The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | /* the following is needed on Linux to define ptsname() in stdlib.h */ |
| 26 | #if defined(__linux__) |
| 27 | #define _GNU_SOURCE 1 |
| 28 | #endif |
| 29 | |
| 30 | #include "qemu-common.h" |
| 31 | #include "hw/hw.h" |
| 32 | #include "hw/boards.h" |
| 33 | #include "hw/usb.h" |
| 34 | #include "hw/pcmcia.h" |
| 35 | #include "hw/pc.h" |
| 36 | #include "hw/audiodev.h" |
| 37 | #include "hw/isa.h" |
| 38 | #include "hw/baum.h" |
| 39 | #include "net.h" |
| 40 | #include "console.h" |
| 41 | #include "sysemu.h" |
| 42 | #include "gdbstub.h" |
| 43 | #include "qemu-timer.h" |
| 44 | #include "qemu-char.h" |
| 45 | #include "block.h" |
| 46 | #include "audio/audio.h" |
| 47 | |
| 48 | #include "qemu_file.h" |
| 49 | #include "android/android.h" |
| 50 | #include "charpipe.h" |
| 51 | #include "shaper.h" |
| 52 | #include "modem_driver.h" |
| 53 | #include "android/gps.h" |
| 54 | #include "android/qemud.h" |
| 55 | #include "android/hw-kmsg.h" |
| 56 | #include "tcpdump.h" |
| 57 | |
| 58 | #include <unistd.h> |
| 59 | #include <fcntl.h> |
| 60 | #include <signal.h> |
| 61 | #include <time.h> |
| 62 | #include <errno.h> |
| 63 | #include <sys/time.h> |
| 64 | #include <zlib.h> |
| 65 | |
| 66 | #ifndef _WIN32 |
| 67 | #include <sys/times.h> |
| 68 | #include <sys/wait.h> |
| 69 | #include <termios.h> |
| 70 | #include <sys/poll.h> |
| 71 | #include <sys/mman.h> |
| 72 | #include <sys/ioctl.h> |
| 73 | #include <sys/socket.h> |
| 74 | #include <netinet/in.h> |
| 75 | #include <dirent.h> |
| 76 | #include <netdb.h> |
| 77 | #include <sys/select.h> |
| 78 | #include <arpa/inet.h> |
| 79 | #ifdef _BSD |
| 80 | #include <sys/stat.h> |
| 81 | #if !defined(__APPLE__) && !defined(__OpenBSD__) |
| 82 | #include <libutil.h> |
| 83 | #endif |
| 84 | #ifdef __OpenBSD__ |
| 85 | #include <net/if.h> |
| 86 | #endif |
| 87 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
| 88 | #include <freebsd/stdlib.h> |
| 89 | #else |
| 90 | #ifndef __sun__ |
| 91 | #include <linux/if.h> |
| 92 | #include <linux/if_tun.h> |
| 93 | #include <pty.h> |
| 94 | #include <malloc.h> |
| 95 | #include <linux/rtc.h> |
| 96 | |
| 97 | /* For the benefit of older linux systems which don't supply it, |
| 98 | we use a local copy of hpet.h. */ |
| 99 | /* #include <linux/hpet.h> */ |
| 100 | #include "hpet.h" |
| 101 | |
| 102 | #include <linux/ppdev.h> |
| 103 | #include <linux/parport.h> |
| 104 | #else |
| 105 | #include <sys/stat.h> |
| 106 | #include <sys/ethernet.h> |
| 107 | #include <sys/sockio.h> |
| 108 | #include <netinet/arp.h> |
| 109 | #include <netinet/in.h> |
| 110 | #include <netinet/in_systm.h> |
| 111 | #include <netinet/ip.h> |
| 112 | #include <netinet/ip_icmp.h> // must come after ip.h |
| 113 | #include <netinet/udp.h> |
| 114 | #include <netinet/tcp.h> |
| 115 | #include <net/if.h> |
| 116 | #include <syslog.h> |
| 117 | #include <stropts.h> |
| 118 | #endif |
| 119 | #endif |
| 120 | #endif |
| 121 | |
| 122 | #include "qemu_socket.h" |
| 123 | |
| 124 | #if defined(CONFIG_SLIRP) |
| 125 | #include "libslirp.h" |
| 126 | #endif |
| 127 | |
| 128 | #if defined(__OpenBSD__) |
| 129 | #include <util.h> |
| 130 | #endif |
| 131 | |
| 132 | #if defined(CONFIG_VDE) |
| 133 | #include <libvdeplug.h> |
| 134 | #endif |
| 135 | |
| 136 | #ifdef _WIN32 |
| 137 | #include <malloc.h> |
| 138 | #include <sys/timeb.h> |
| 139 | #include <mmsystem.h> |
| 140 | #define getopt_long_only getopt_long |
| 141 | #define memalign(align, size) malloc(size) |
| 142 | #endif |
| 143 | |
| 144 | |
| 145 | #ifdef CONFIG_COCOA |
| 146 | #undef main |
| 147 | #define main qemu_main |
| 148 | #endif /* CONFIG_COCOA */ |
| 149 | |
| 150 | #ifdef CONFIG_SKINS |
| 151 | #undef main |
| 152 | #define main qemu_main |
| 153 | #endif |
| 154 | |
| 155 | #include "disas.h" |
| 156 | |
| 157 | #include "exec-all.h" |
| 158 | |
| 159 | #ifdef CONFIG_TRACE |
| 160 | #include "trace.h" |
| 161 | #include "dcache.h" |
| 162 | #endif |
| 163 | |
| 164 | #ifdef CONFIG_NAND |
| 165 | #include "hw/goldfish_nand.h" |
| 166 | #endif |
| 167 | |
| 168 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
| 169 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" |
| 170 | #ifdef __sun__ |
| 171 | #define SMBD_COMMAND "/usr/sfw/sbin/smbd" |
| 172 | #else |
| 173 | #define SMBD_COMMAND "/usr/sbin/smbd" |
| 174 | #endif |
| 175 | |
| 176 | //#define DEBUG_UNUSED_IOPORT |
| 177 | //#define DEBUG_IOPORT |
| 178 | |
| 179 | #ifdef TARGET_PPC |
| 180 | #define DEFAULT_RAM_SIZE 144 |
| 181 | #else |
| 182 | #define DEFAULT_RAM_SIZE 128 |
| 183 | #endif |
| 184 | |
| 185 | /* Max number of USB devices that can be specified on the commandline. */ |
| 186 | #define MAX_USB_CMDLINE 8 |
| 187 | |
| 188 | /* XXX: use a two level table to limit memory usage */ |
| 189 | #define MAX_IOPORTS 65536 |
| 190 | |
| 191 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
| 192 | const char *bios_name = NULL; |
| 193 | void *ioport_opaque[MAX_IOPORTS]; |
| 194 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
| 195 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; |
| 196 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
| 197 | to store the VM snapshots */ |
| 198 | DriveInfo drives_table[MAX_DRIVES+1]; |
| 199 | int nb_drives; |
| 200 | /* point to the block driver where the snapshots are managed */ |
| 201 | BlockDriverState *bs_snapshots; |
| 202 | int vga_ram_size; |
| 203 | static DisplayState display_state; |
| 204 | int nographic; |
| 205 | int curses; |
| 206 | const char* keyboard_layout = NULL; |
| 207 | int64_t ticks_per_sec; |
| 208 | ram_addr_t ram_size; |
| 209 | int pit_min_timer_count = 0; |
| 210 | int nb_nics; |
| 211 | NICInfo nd_table[MAX_NICS]; |
| 212 | int vm_running; |
| 213 | static int rtc_utc = 1; |
| 214 | static int rtc_date_offset = -1; /* -1 means no change */ |
| 215 | int cirrus_vga_enabled = 1; |
| 216 | int vmsvga_enabled = 0; |
| 217 | #ifdef TARGET_SPARC |
| 218 | int graphic_width = 1024; |
| 219 | int graphic_height = 768; |
| 220 | int graphic_depth = 8; |
| 221 | #else |
| 222 | int graphic_width = 800; |
| 223 | int graphic_height = 600; |
| 224 | int graphic_depth = 15; |
| 225 | #endif |
| 226 | int full_screen = 0; |
| 227 | int no_frame = 0; |
| 228 | int no_quit = 0; |
| 229 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
| 230 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
| 231 | #ifdef TARGET_I386 |
| 232 | int win2k_install_hack = 0; |
| 233 | #endif |
| 234 | int usb_enabled = 0; |
| 235 | static VLANState *first_vlan; |
| 236 | int smp_cpus = 1; |
| 237 | const char *vnc_display; |
| 238 | #if defined(TARGET_SPARC) |
| 239 | #define MAX_CPUS 16 |
| 240 | #elif defined(TARGET_I386) |
| 241 | #define MAX_CPUS 255 |
| 242 | #else |
| 243 | #define MAX_CPUS 1 |
| 244 | #endif |
| 245 | int acpi_enabled = 1; |
| 246 | int fd_bootchk = 1; |
| 247 | int no_reboot = 0; |
| 248 | int no_shutdown = 0; |
| 249 | int cursor_hide = 1; |
| 250 | int graphic_rotate = 0; |
| 251 | int daemonize = 0; |
| 252 | const char *option_rom[MAX_OPTION_ROMS]; |
| 253 | int nb_option_roms; |
| 254 | int semihosting_enabled = 0; |
| 255 | int autostart = 1; |
| 256 | #ifdef TARGET_ARM |
| 257 | int old_param = 0; |
| 258 | #endif |
| 259 | const char *qemu_name; |
| 260 | int alt_grab = 0; |
| 261 | #ifdef TARGET_SPARC |
| 262 | unsigned int nb_prom_envs = 0; |
| 263 | const char *prom_envs[MAX_PROM_ENVS]; |
| 264 | #endif |
| 265 | int nb_drives_opt; |
| 266 | struct drive_opt { |
| 267 | const char *file; |
| 268 | char opt[1024]; |
| 269 | } drives_opt[MAX_DRIVES]; |
| 270 | |
| 271 | static CPUState *cur_cpu; |
| 272 | static CPUState *next_cpu; |
| 273 | static int event_pending = 1; |
| 274 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
| 275 | static int icount_time_shift; |
| 276 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
| 277 | #define MAX_ICOUNT_SHIFT 10 |
| 278 | /* Compensate for varying guest execution speed. */ |
| 279 | static int64_t qemu_icount_bias; |
| 280 | QEMUTimer *icount_rt_timer; |
| 281 | QEMUTimer *icount_vm_timer; |
| 282 | |
| 283 | |
| 284 | extern int qemu_cpu_delay; |
| 285 | extern int android_audio_enabled; |
| 286 | extern char* audio_input_source; |
| 287 | |
| 288 | extern void dprint( const char* format, ... ); |
| 289 | |
| 290 | #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
| 291 | |
| 292 | /***********************************************************/ |
| 293 | /* x86 ISA bus support */ |
| 294 | |
| 295 | target_phys_addr_t isa_mem_base = 0; |
| 296 | PicState2 *isa_pic; |
| 297 | |
| 298 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; |
| 299 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; |
| 300 | |
| 301 | static uint32_t ioport_read(int index, uint32_t address) |
| 302 | { |
| 303 | static IOPortReadFunc *default_func[3] = { |
| 304 | default_ioport_readb, |
| 305 | default_ioport_readw, |
| 306 | default_ioport_readl |
| 307 | }; |
| 308 | IOPortReadFunc *func = ioport_read_table[index][address]; |
| 309 | if (!func) |
| 310 | func = default_func[index]; |
| 311 | return func(ioport_opaque[address], address); |
| 312 | } |
| 313 | |
| 314 | static void ioport_write(int index, uint32_t address, uint32_t data) |
| 315 | { |
| 316 | static IOPortWriteFunc *default_func[3] = { |
| 317 | default_ioport_writeb, |
| 318 | default_ioport_writew, |
| 319 | default_ioport_writel |
| 320 | }; |
| 321 | IOPortWriteFunc *func = ioport_write_table[index][address]; |
| 322 | if (!func) |
| 323 | func = default_func[index]; |
| 324 | func(ioport_opaque[address], address, data); |
| 325 | } |
| 326 | |
| 327 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) |
| 328 | { |
| 329 | #ifdef DEBUG_UNUSED_IOPORT |
| 330 | fprintf(stderr, "unused inb: port=0x%04x\n", address); |
| 331 | #endif |
| 332 | return 0xff; |
| 333 | } |
| 334 | |
| 335 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
| 336 | { |
| 337 | #ifdef DEBUG_UNUSED_IOPORT |
| 338 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); |
| 339 | #endif |
| 340 | } |
| 341 | |
| 342 | /* default is to make two byte accesses */ |
| 343 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) |
| 344 | { |
| 345 | uint32_t data; |
| 346 | data = ioport_read(0, address); |
| 347 | address = (address + 1) & (MAX_IOPORTS - 1); |
| 348 | data |= ioport_read(0, address) << 8; |
| 349 | return data; |
| 350 | } |
| 351 | |
| 352 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
| 353 | { |
| 354 | ioport_write(0, address, data & 0xff); |
| 355 | address = (address + 1) & (MAX_IOPORTS - 1); |
| 356 | ioport_write(0, address, (data >> 8) & 0xff); |
| 357 | } |
| 358 | |
| 359 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) |
| 360 | { |
| 361 | #ifdef DEBUG_UNUSED_IOPORT |
| 362 | fprintf(stderr, "unused inl: port=0x%04x\n", address); |
| 363 | #endif |
| 364 | return 0xffffffff; |
| 365 | } |
| 366 | |
| 367 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
| 368 | { |
| 369 | #ifdef DEBUG_UNUSED_IOPORT |
| 370 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); |
| 371 | #endif |
| 372 | } |
| 373 | |
| 374 | /* size is the word size in byte */ |
| 375 | int register_ioport_read(int start, int length, int size, |
| 376 | IOPortReadFunc *func, void *opaque) |
| 377 | { |
| 378 | int i, bsize; |
| 379 | |
| 380 | if (size == 1) { |
| 381 | bsize = 0; |
| 382 | } else if (size == 2) { |
| 383 | bsize = 1; |
| 384 | } else if (size == 4) { |
| 385 | bsize = 2; |
| 386 | } else { |
| 387 | hw_error("register_ioport_read: invalid size"); |
| 388 | return -1; |
| 389 | } |
| 390 | for(i = start; i < start + length; i += size) { |
| 391 | ioport_read_table[bsize][i] = func; |
| 392 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
| 393 | hw_error("register_ioport_read: invalid opaque"); |
| 394 | ioport_opaque[i] = opaque; |
| 395 | } |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | /* size is the word size in byte */ |
| 400 | int register_ioport_write(int start, int length, int size, |
| 401 | IOPortWriteFunc *func, void *opaque) |
| 402 | { |
| 403 | int i, bsize; |
| 404 | |
| 405 | if (size == 1) { |
| 406 | bsize = 0; |
| 407 | } else if (size == 2) { |
| 408 | bsize = 1; |
| 409 | } else if (size == 4) { |
| 410 | bsize = 2; |
| 411 | } else { |
| 412 | hw_error("register_ioport_write: invalid size"); |
| 413 | return -1; |
| 414 | } |
| 415 | for(i = start; i < start + length; i += size) { |
| 416 | ioport_write_table[bsize][i] = func; |
| 417 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
| 418 | hw_error("register_ioport_write: invalid opaque"); |
| 419 | ioport_opaque[i] = opaque; |
| 420 | } |
| 421 | return 0; |
| 422 | } |
| 423 | |
| 424 | void isa_unassign_ioport(int start, int length) |
| 425 | { |
| 426 | int i; |
| 427 | |
| 428 | for(i = start; i < start + length; i++) { |
| 429 | ioport_read_table[0][i] = default_ioport_readb; |
| 430 | ioport_read_table[1][i] = default_ioport_readw; |
| 431 | ioport_read_table[2][i] = default_ioport_readl; |
| 432 | |
| 433 | ioport_write_table[0][i] = default_ioport_writeb; |
| 434 | ioport_write_table[1][i] = default_ioport_writew; |
| 435 | ioport_write_table[2][i] = default_ioport_writel; |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | /***********************************************************/ |
| 440 | |
| 441 | void cpu_outb(CPUState *env, int addr, int val) |
| 442 | { |
| 443 | #ifdef DEBUG_IOPORT |
| 444 | if (loglevel & CPU_LOG_IOPORT) |
| 445 | fprintf(logfile, "outb: %04x %02x\n", addr, val); |
| 446 | #endif |
| 447 | ioport_write(0, addr, val); |
| 448 | #ifdef USE_KQEMU |
| 449 | if (env) |
| 450 | env->last_io_time = cpu_get_time_fast(); |
| 451 | #endif |
| 452 | } |
| 453 | |
| 454 | void cpu_outw(CPUState *env, int addr, int val) |
| 455 | { |
| 456 | #ifdef DEBUG_IOPORT |
| 457 | if (loglevel & CPU_LOG_IOPORT) |
| 458 | fprintf(logfile, "outw: %04x %04x\n", addr, val); |
| 459 | #endif |
| 460 | ioport_write(1, addr, val); |
| 461 | #ifdef USE_KQEMU |
| 462 | if (env) |
| 463 | env->last_io_time = cpu_get_time_fast(); |
| 464 | #endif |
| 465 | } |
| 466 | |
| 467 | void cpu_outl(CPUState *env, int addr, int val) |
| 468 | { |
| 469 | #ifdef DEBUG_IOPORT |
| 470 | if (loglevel & CPU_LOG_IOPORT) |
| 471 | fprintf(logfile, "outl: %04x %08x\n", addr, val); |
| 472 | #endif |
| 473 | ioport_write(2, addr, val); |
| 474 | #ifdef USE_KQEMU |
| 475 | if (env) |
| 476 | env->last_io_time = cpu_get_time_fast(); |
| 477 | #endif |
| 478 | } |
| 479 | |
| 480 | int cpu_inb(CPUState *env, int addr) |
| 481 | { |
| 482 | int val; |
| 483 | val = ioport_read(0, addr); |
| 484 | #ifdef DEBUG_IOPORT |
| 485 | if (loglevel & CPU_LOG_IOPORT) |
| 486 | fprintf(logfile, "inb : %04x %02x\n", addr, val); |
| 487 | #endif |
| 488 | #ifdef USE_KQEMU |
| 489 | if (env) |
| 490 | env->last_io_time = cpu_get_time_fast(); |
| 491 | #endif |
| 492 | return val; |
| 493 | } |
| 494 | |
| 495 | int cpu_inw(CPUState *env, int addr) |
| 496 | { |
| 497 | int val; |
| 498 | val = ioport_read(1, addr); |
| 499 | #ifdef DEBUG_IOPORT |
| 500 | if (loglevel & CPU_LOG_IOPORT) |
| 501 | fprintf(logfile, "inw : %04x %04x\n", addr, val); |
| 502 | #endif |
| 503 | #ifdef USE_KQEMU |
| 504 | if (env) |
| 505 | env->last_io_time = cpu_get_time_fast(); |
| 506 | #endif |
| 507 | return val; |
| 508 | } |
| 509 | |
| 510 | int cpu_inl(CPUState *env, int addr) |
| 511 | { |
| 512 | int val; |
| 513 | val = ioport_read(2, addr); |
| 514 | #ifdef DEBUG_IOPORT |
| 515 | if (loglevel & CPU_LOG_IOPORT) |
| 516 | fprintf(logfile, "inl : %04x %08x\n", addr, val); |
| 517 | #endif |
| 518 | #ifdef USE_KQEMU |
| 519 | if (env) |
| 520 | env->last_io_time = cpu_get_time_fast(); |
| 521 | #endif |
| 522 | return val; |
| 523 | } |
| 524 | |
| 525 | /***********************************************************/ |
| 526 | void hw_error(const char *fmt, ...) |
| 527 | { |
| 528 | va_list ap; |
| 529 | CPUState *env; |
| 530 | |
| 531 | va_start(ap, fmt); |
| 532 | fprintf(stderr, "qemu: hardware error: "); |
| 533 | vfprintf(stderr, fmt, ap); |
| 534 | fprintf(stderr, "\n"); |
| 535 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
| 536 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); |
| 537 | #ifdef TARGET_I386 |
| 538 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
| 539 | #else |
| 540 | cpu_dump_state(env, stderr, fprintf, 0); |
| 541 | #endif |
| 542 | } |
| 543 | va_end(ap); |
| 544 | abort(); |
| 545 | } |
| 546 | |
| 547 | /***********************************************************/ |
| 548 | /* keyboard/mouse */ |
| 549 | |
| 550 | static QEMUPutKBDEvent* qemu_put_kbd_event; |
| 551 | static void* qemu_put_kbd_event_opaque; |
| 552 | |
| 553 | static QEMUPutKBDEventN* qemu_put_kbd_event_n; |
| 554 | static void* qemu_put_kbd_event_n_opaque; |
| 555 | |
| 556 | |
| 557 | static QEMUPutGenericEvent* qemu_put_generic_event; |
| 558 | static void* qemu_put_generic_event_opaque; |
| 559 | |
| 560 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
| 561 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; |
| 562 | |
| 563 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
| 564 | { |
| 565 | qemu_put_kbd_event_opaque = opaque; |
| 566 | qemu_put_kbd_event = func; |
| 567 | } |
| 568 | |
| 569 | void qemu_add_kbd_event_n_handler(QEMUPutKBDEventN *func, void *opaque) |
| 570 | { |
| 571 | qemu_put_kbd_event_n_opaque = opaque; |
| 572 | qemu_put_kbd_event_n = func; |
| 573 | } |
| 574 | |
| 575 | #if 0 |
| 576 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) |
| 577 | { |
| 578 | qemu_put_mouse_event_opaque = opaque; |
| 579 | qemu_put_mouse_event = func; |
| 580 | qemu_put_mouse_event_absolute = absolute; |
| 581 | } |
| 582 | #else |
| 583 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
| 584 | void *opaque, int absolute, |
| 585 | const char *name) |
| 586 | { |
| 587 | QEMUPutMouseEntry *s, *cursor; |
| 588 | |
| 589 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); |
| 590 | if (!s) |
| 591 | return NULL; |
| 592 | |
| 593 | s->qemu_put_mouse_event = func; |
| 594 | s->qemu_put_mouse_event_opaque = opaque; |
| 595 | s->qemu_put_mouse_event_absolute = absolute; |
| 596 | s->qemu_put_mouse_event_name = qemu_strdup(name); |
| 597 | s->next = NULL; |
| 598 | |
| 599 | if (!qemu_put_mouse_event_head) { |
| 600 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
| 601 | return s; |
| 602 | } |
| 603 | |
| 604 | cursor = qemu_put_mouse_event_head; |
| 605 | while (cursor->next != NULL) |
| 606 | cursor = cursor->next; |
| 607 | |
| 608 | cursor->next = s; |
| 609 | qemu_put_mouse_event_current = s; |
| 610 | |
| 611 | return s; |
| 612 | } |
| 613 | |
| 614 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) |
| 615 | { |
| 616 | QEMUPutMouseEntry *prev = NULL, *cursor; |
| 617 | |
| 618 | if (!qemu_put_mouse_event_head || entry == NULL) |
| 619 | return; |
| 620 | |
| 621 | cursor = qemu_put_mouse_event_head; |
| 622 | while (cursor != NULL && cursor != entry) { |
| 623 | prev = cursor; |
| 624 | cursor = cursor->next; |
| 625 | } |
| 626 | |
| 627 | if (cursor == NULL) // does not exist or list empty |
| 628 | return; |
| 629 | else if (prev == NULL) { // entry is head |
| 630 | qemu_put_mouse_event_head = cursor->next; |
| 631 | if (qemu_put_mouse_event_current == entry) |
| 632 | qemu_put_mouse_event_current = cursor->next; |
| 633 | qemu_free(entry->qemu_put_mouse_event_name); |
| 634 | qemu_free(entry); |
| 635 | return; |
| 636 | } |
| 637 | |
| 638 | prev->next = entry->next; |
| 639 | |
| 640 | if (qemu_put_mouse_event_current == entry) |
| 641 | qemu_put_mouse_event_current = prev; |
| 642 | |
| 643 | qemu_free(entry->qemu_put_mouse_event_name); |
| 644 | qemu_free(entry); |
| 645 | } |
| 646 | #endif |
| 647 | |
| 648 | void qemu_add_generic_event_handler(QEMUPutGenericEvent *func, void* opaque) |
| 649 | { |
| 650 | qemu_put_generic_event = func; |
| 651 | qemu_put_generic_event_opaque = opaque; |
| 652 | } |
| 653 | |
| 654 | void kbd_put_keycode(int keycode) |
| 655 | { |
| 656 | if (qemu_put_kbd_event) { |
| 657 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | void kbd_put_keycodes(int* keycodes, int count) |
| 662 | { |
| 663 | if (qemu_put_kbd_event_n) |
| 664 | { |
| 665 | qemu_put_kbd_event_n(qemu_put_kbd_event_n_opaque, keycodes, count); |
| 666 | } |
| 667 | else if (qemu_put_kbd_event) |
| 668 | { |
| 669 | int nn; |
| 670 | |
| 671 | for (nn = 0; nn < count; nn++) |
| 672 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycodes[nn]); |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | |
| 677 | void kbd_generic_event(int type, int code, int value) |
| 678 | { |
| 679 | if (qemu_put_generic_event) |
| 680 | qemu_put_generic_event(qemu_put_generic_event_opaque, type, code, value); |
| 681 | } |
| 682 | |
| 683 | |
| 684 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
| 685 | { |
| 686 | QEMUPutMouseEvent *mouse_event; |
| 687 | void *mouse_event_opaque; |
| 688 | int width; |
| 689 | |
| 690 | if (!qemu_put_mouse_event_current) { |
| 691 | return; |
| 692 | } |
| 693 | |
| 694 | mouse_event = |
| 695 | qemu_put_mouse_event_current->qemu_put_mouse_event; |
| 696 | mouse_event_opaque = |
| 697 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
| 698 | |
| 699 | if (mouse_event) { |
| 700 | if (graphic_rotate) { |
| 701 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) |
| 702 | width = 0x7fff; |
| 703 | else |
| 704 | width = graphic_width - 1; |
| 705 | mouse_event(mouse_event_opaque, |
| 706 | width - dy, dx, dz, buttons_state); |
| 707 | } else |
| 708 | mouse_event(mouse_event_opaque, |
| 709 | dx, dy, dz, buttons_state); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | int kbd_mouse_is_absolute(void) |
| 714 | { |
| 715 | if (!qemu_put_mouse_event_current) |
| 716 | return 0; |
| 717 | |
| 718 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; |
| 719 | } |
| 720 | |
| 721 | void do_info_mice(void) |
| 722 | { |
| 723 | QEMUPutMouseEntry *cursor; |
| 724 | int index = 0; |
| 725 | |
| 726 | if (!qemu_put_mouse_event_head) { |
| 727 | term_printf("No mouse devices connected\n"); |
| 728 | return; |
| 729 | } |
| 730 | |
| 731 | term_printf("Mouse devices available:\n"); |
| 732 | cursor = qemu_put_mouse_event_head; |
| 733 | while (cursor != NULL) { |
| 734 | term_printf("%c Mouse #%d: %s\n", |
| 735 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), |
| 736 | index, cursor->qemu_put_mouse_event_name); |
| 737 | index++; |
| 738 | cursor = cursor->next; |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | void do_mouse_set(int index) |
| 743 | { |
| 744 | QEMUPutMouseEntry *cursor; |
| 745 | int i = 0; |
| 746 | |
| 747 | if (!qemu_put_mouse_event_head) { |
| 748 | term_printf("No mouse devices connected\n"); |
| 749 | return; |
| 750 | } |
| 751 | |
| 752 | cursor = qemu_put_mouse_event_head; |
| 753 | while (cursor != NULL && index != i) { |
| 754 | i++; |
| 755 | cursor = cursor->next; |
| 756 | } |
| 757 | |
| 758 | if (cursor != NULL) |
| 759 | qemu_put_mouse_event_current = cursor; |
| 760 | else |
| 761 | term_printf("Mouse at given index not found\n"); |
| 762 | } |
| 763 | |
| 764 | /* compute with 96 bit intermediate result: (a*b)/c */ |
| 765 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| 766 | { |
| 767 | union { |
| 768 | uint64_t ll; |
| 769 | struct { |
| 770 | #ifdef WORDS_BIGENDIAN |
| 771 | uint32_t high, low; |
| 772 | #else |
| 773 | uint32_t low, high; |
| 774 | #endif |
| 775 | } l; |
| 776 | } u, res; |
| 777 | uint64_t rl, rh; |
| 778 | |
| 779 | u.ll = a; |
| 780 | rl = (uint64_t)u.l.low * (uint64_t)b; |
| 781 | rh = (uint64_t)u.l.high * (uint64_t)b; |
| 782 | rh += (rl >> 32); |
| 783 | res.l.high = rh / c; |
| 784 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| 785 | return res.ll; |
| 786 | } |
| 787 | |
| 788 | /***********************************************************/ |
| 789 | /* real time host monotonic timer */ |
| 790 | |
| 791 | #define QEMU_TIMER_BASE 1000000000LL |
| 792 | |
| 793 | #ifdef WIN32 |
| 794 | |
| 795 | static int64_t clock_freq; |
| 796 | |
| 797 | static void init_get_clock(void) |
| 798 | { |
| 799 | LARGE_INTEGER freq; |
| 800 | int ret; |
| 801 | ret = QueryPerformanceFrequency(&freq); |
| 802 | if (ret == 0) { |
| 803 | fprintf(stderr, "Could not calibrate ticks\n"); |
| 804 | exit(1); |
| 805 | } |
| 806 | clock_freq = freq.QuadPart; |
| 807 | } |
| 808 | |
| 809 | static int64_t get_clock(void) |
| 810 | { |
| 811 | LARGE_INTEGER ti; |
| 812 | QueryPerformanceCounter(&ti); |
| 813 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); |
| 814 | } |
| 815 | |
| 816 | #else |
| 817 | |
| 818 | static int use_rt_clock; |
| 819 | |
| 820 | static void init_get_clock(void) |
| 821 | { |
| 822 | use_rt_clock = 0; |
| 823 | #if defined(__linux__) |
| 824 | { |
| 825 | struct timespec ts; |
| 826 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
| 827 | use_rt_clock = 1; |
| 828 | } |
| 829 | } |
| 830 | #endif |
| 831 | } |
| 832 | |
| 833 | static int64_t get_clock(void) |
| 834 | { |
| 835 | #if defined(__linux__) |
| 836 | if (use_rt_clock) { |
| 837 | struct timespec ts; |
| 838 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 839 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
| 840 | } else |
| 841 | #endif |
| 842 | { |
| 843 | /* XXX: using gettimeofday leads to problems if the date |
| 844 | changes, so it should be avoided. */ |
| 845 | struct timeval tv; |
| 846 | gettimeofday(&tv, NULL); |
| 847 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
| 848 | } |
| 849 | } |
| 850 | #endif |
| 851 | |
| 852 | /* Return the virtual CPU time, based on the instruction counter. */ |
| 853 | static int64_t cpu_get_icount(void) |
| 854 | { |
| 855 | int64_t icount; |
| 856 | CPUState *env = cpu_single_env;; |
| 857 | icount = qemu_icount; |
| 858 | if (env) { |
| 859 | if (!can_do_io(env)) |
| 860 | fprintf(stderr, "Bad clock read\n"); |
| 861 | icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 862 | } |
| 863 | return qemu_icount_bias + (icount << icount_time_shift); |
| 864 | } |
| 865 | |
| 866 | /***********************************************************/ |
| 867 | /* guest cycle counter */ |
| 868 | |
| 869 | static int64_t cpu_ticks_prev; |
| 870 | static int64_t cpu_ticks_offset; |
| 871 | static int64_t cpu_clock_offset; |
| 872 | static int cpu_ticks_enabled; |
| 873 | |
| 874 | /* return the host CPU cycle counter and handle stop/restart */ |
| 875 | int64_t cpu_get_ticks(void) |
| 876 | { |
| 877 | if (use_icount) { |
| 878 | return cpu_get_icount(); |
| 879 | } |
| 880 | if (!cpu_ticks_enabled) { |
| 881 | return cpu_ticks_offset; |
| 882 | } else { |
| 883 | int64_t ticks; |
| 884 | ticks = cpu_get_real_ticks(); |
| 885 | if (cpu_ticks_prev > ticks) { |
| 886 | /* Note: non increasing ticks may happen if the host uses |
| 887 | software suspend */ |
| 888 | cpu_ticks_offset += cpu_ticks_prev - ticks; |
| 889 | } |
| 890 | cpu_ticks_prev = ticks; |
| 891 | return ticks + cpu_ticks_offset; |
| 892 | } |
| 893 | } |
| 894 | |
| 895 | /* return the host CPU monotonic timer and handle stop/restart */ |
| 896 | static int64_t cpu_get_clock(void) |
| 897 | { |
| 898 | int64_t ti; |
| 899 | if (!cpu_ticks_enabled) { |
| 900 | return cpu_clock_offset; |
| 901 | } else { |
| 902 | ti = get_clock(); |
| 903 | return ti + cpu_clock_offset; |
| 904 | } |
| 905 | } |
| 906 | |
| 907 | /* enable cpu_get_ticks() */ |
| 908 | void cpu_enable_ticks(void) |
| 909 | { |
| 910 | if (!cpu_ticks_enabled) { |
| 911 | cpu_ticks_offset -= cpu_get_real_ticks(); |
| 912 | cpu_clock_offset -= get_clock(); |
| 913 | cpu_ticks_enabled = 1; |
| 914 | } |
| 915 | } |
| 916 | |
| 917 | /* disable cpu_get_ticks() : the clock is stopped. You must not call |
| 918 | cpu_get_ticks() after that. */ |
| 919 | void cpu_disable_ticks(void) |
| 920 | { |
| 921 | if (cpu_ticks_enabled) { |
| 922 | cpu_ticks_offset = cpu_get_ticks(); |
| 923 | cpu_clock_offset = cpu_get_clock(); |
| 924 | cpu_ticks_enabled = 0; |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | /***********************************************************/ |
| 929 | /* timers */ |
| 930 | |
| 931 | #define QEMU_TIMER_REALTIME 0 |
| 932 | #define QEMU_TIMER_VIRTUAL 1 |
| 933 | |
| 934 | struct QEMUClock { |
| 935 | int type; |
| 936 | /* XXX: add frequency */ |
| 937 | }; |
| 938 | |
| 939 | struct QEMUTimer { |
| 940 | QEMUClock *clock; |
| 941 | int64_t expire_time; |
| 942 | QEMUTimerCB *cb; |
| 943 | void *opaque; |
| 944 | struct QEMUTimer *next; |
| 945 | }; |
| 946 | |
| 947 | struct qemu_alarm_timer { |
| 948 | char const *name; |
| 949 | unsigned int flags; |
| 950 | |
| 951 | int (*start)(struct qemu_alarm_timer *t); |
| 952 | void (*stop)(struct qemu_alarm_timer *t); |
| 953 | void (*rearm)(struct qemu_alarm_timer *t); |
| 954 | void *priv; |
| 955 | }; |
| 956 | |
| 957 | #define ALARM_FLAG_DYNTICKS 0x1 |
| 958 | #define ALARM_FLAG_EXPIRED 0x2 |
| 959 | |
| 960 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
| 961 | { |
| 962 | return t->flags & ALARM_FLAG_DYNTICKS; |
| 963 | } |
| 964 | |
| 965 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
| 966 | { |
| 967 | if (!alarm_has_dynticks(t)) |
| 968 | return; |
| 969 | |
| 970 | t->rearm(t); |
| 971 | } |
| 972 | |
| 973 | /* TODO: MIN_TIMER_REARM_US should be optimized */ |
| 974 | #define MIN_TIMER_REARM_US 250 |
| 975 | |
| 976 | static struct qemu_alarm_timer *alarm_timer; |
| 977 | |
| 978 | #ifdef _WIN32 |
| 979 | |
| 980 | struct qemu_alarm_win32 { |
| 981 | MMRESULT timerId; |
| 982 | HANDLE host_alarm; |
| 983 | unsigned int period; |
| 984 | } alarm_win32_data = {0, NULL, -1}; |
| 985 | |
| 986 | static int win32_start_timer(struct qemu_alarm_timer *t); |
| 987 | static void win32_stop_timer(struct qemu_alarm_timer *t); |
| 988 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
| 989 | |
| 990 | #else |
| 991 | |
| 992 | static int unix_start_timer(struct qemu_alarm_timer *t); |
| 993 | static void unix_stop_timer(struct qemu_alarm_timer *t); |
| 994 | |
| 995 | #ifdef __linux__ |
| 996 | |
| 997 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
| 998 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
| 999 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
| 1000 | |
| 1001 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
| 1002 | static void hpet_stop_timer(struct qemu_alarm_timer *t); |
| 1003 | |
| 1004 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
| 1005 | static void rtc_stop_timer(struct qemu_alarm_timer *t); |
| 1006 | |
| 1007 | #endif /* __linux__ */ |
| 1008 | |
| 1009 | #endif /* _WIN32 */ |
| 1010 | |
| 1011 | /* Correlation between real and virtual time is always going to be |
| 1012 | fairly approximate, so ignore small variation. |
| 1013 | When the guest is idle real and virtual time will be aligned in |
| 1014 | the IO wait loop. */ |
| 1015 | #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) |
| 1016 | |
| 1017 | static void icount_adjust(void) |
| 1018 | { |
| 1019 | int64_t cur_time; |
| 1020 | int64_t cur_icount; |
| 1021 | int64_t delta; |
| 1022 | static int64_t last_delta; |
| 1023 | /* If the VM is not running, then do nothing. */ |
| 1024 | if (!vm_running) |
| 1025 | return; |
| 1026 | |
| 1027 | cur_time = cpu_get_clock(); |
| 1028 | cur_icount = qemu_get_clock(vm_clock); |
| 1029 | delta = cur_icount - cur_time; |
| 1030 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ |
| 1031 | if (delta > 0 |
| 1032 | && last_delta + ICOUNT_WOBBLE < delta * 2 |
| 1033 | && icount_time_shift > 0) { |
| 1034 | /* The guest is getting too far ahead. Slow time down. */ |
| 1035 | icount_time_shift--; |
| 1036 | } |
| 1037 | if (delta < 0 |
| 1038 | && last_delta - ICOUNT_WOBBLE > delta * 2 |
| 1039 | && icount_time_shift < MAX_ICOUNT_SHIFT) { |
| 1040 | /* The guest is getting too far behind. Speed time up. */ |
| 1041 | icount_time_shift++; |
| 1042 | } |
| 1043 | last_delta = delta; |
| 1044 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
| 1045 | } |
| 1046 | |
| 1047 | static void icount_adjust_rt(void * opaque) |
| 1048 | { |
| 1049 | qemu_mod_timer(icount_rt_timer, |
| 1050 | qemu_get_clock(rt_clock) + 1000); |
| 1051 | icount_adjust(); |
| 1052 | } |
| 1053 | |
| 1054 | static void icount_adjust_vm(void * opaque) |
| 1055 | { |
| 1056 | qemu_mod_timer(icount_vm_timer, |
| 1057 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); |
| 1058 | icount_adjust(); |
| 1059 | } |
| 1060 | |
| 1061 | static void init_icount_adjust(void) |
| 1062 | { |
| 1063 | /* Have both realtime and virtual time triggers for speed adjustment. |
| 1064 | The realtime trigger catches emulated time passing too slowly, |
| 1065 | the virtual time trigger catches emulated time passing too fast. |
| 1066 | Realtime triggers occur even when idle, so use them less frequently |
| 1067 | than VM triggers. */ |
| 1068 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); |
| 1069 | qemu_mod_timer(icount_rt_timer, |
| 1070 | qemu_get_clock(rt_clock) + 1000); |
| 1071 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); |
| 1072 | qemu_mod_timer(icount_vm_timer, |
| 1073 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); |
| 1074 | } |
| 1075 | |
| 1076 | static struct qemu_alarm_timer alarm_timers[] = { |
| 1077 | #ifndef _WIN32 |
| 1078 | #ifdef __linux__ |
| 1079 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
| 1080 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, |
| 1081 | /* HPET - if available - is preferred */ |
| 1082 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
| 1083 | /* ...otherwise try RTC */ |
| 1084 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
| 1085 | #endif |
| 1086 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
| 1087 | #else |
| 1088 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
| 1089 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
| 1090 | {"win32", 0, win32_start_timer, |
| 1091 | win32_stop_timer, NULL, &alarm_win32_data}, |
| 1092 | #endif |
| 1093 | {NULL, 0, NULL, NULL, NULL, NULL} |
| 1094 | }; |
| 1095 | |
| 1096 | static void show_available_alarms(void) |
| 1097 | { |
| 1098 | int i; |
| 1099 | |
| 1100 | printf("Available alarm timers, in order of precedence:\n"); |
| 1101 | for (i = 0; alarm_timers[i].name; i++) |
| 1102 | printf("%s\n", alarm_timers[i].name); |
| 1103 | } |
| 1104 | |
| 1105 | static void configure_alarms(char const *opt) |
| 1106 | { |
| 1107 | int i; |
| 1108 | int cur = 0; |
| 1109 | int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; |
| 1110 | char *arg; |
| 1111 | char *name; |
| 1112 | struct qemu_alarm_timer tmp; |
| 1113 | |
| 1114 | if (!strcmp(opt, "?")) { |
| 1115 | show_available_alarms(); |
| 1116 | exit(0); |
| 1117 | } |
| 1118 | |
| 1119 | arg = strdup(opt); |
| 1120 | |
| 1121 | /* Reorder the array */ |
| 1122 | name = strtok(arg, ","); |
| 1123 | while (name) { |
| 1124 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
| 1125 | if (!strcmp(alarm_timers[i].name, name)) |
| 1126 | break; |
| 1127 | } |
| 1128 | |
| 1129 | if (i == count) { |
| 1130 | fprintf(stderr, "Unknown clock %s\n", name); |
| 1131 | goto next; |
| 1132 | } |
| 1133 | |
| 1134 | if (i < cur) |
| 1135 | /* Ignore */ |
| 1136 | goto next; |
| 1137 | |
| 1138 | /* Swap */ |
| 1139 | tmp = alarm_timers[i]; |
| 1140 | alarm_timers[i] = alarm_timers[cur]; |
| 1141 | alarm_timers[cur] = tmp; |
| 1142 | |
| 1143 | cur++; |
| 1144 | next: |
| 1145 | name = strtok(NULL, ","); |
| 1146 | } |
| 1147 | |
| 1148 | free(arg); |
| 1149 | |
| 1150 | if (cur) { |
| 1151 | /* Disable remaining timers */ |
| 1152 | for (i = cur; i < count; i++) |
| 1153 | alarm_timers[i].name = NULL; |
| 1154 | } else { |
| 1155 | show_available_alarms(); |
| 1156 | exit(1); |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | QEMUClock *rt_clock; |
| 1161 | QEMUClock *vm_clock; |
| 1162 | |
| 1163 | static QEMUTimer *active_timers[2]; |
| 1164 | |
| 1165 | static QEMUClock *qemu_new_clock(int type) |
| 1166 | { |
| 1167 | QEMUClock *clock; |
| 1168 | clock = qemu_mallocz(sizeof(QEMUClock)); |
| 1169 | if (!clock) |
| 1170 | return NULL; |
| 1171 | clock->type = type; |
| 1172 | return clock; |
| 1173 | } |
| 1174 | |
| 1175 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) |
| 1176 | { |
| 1177 | QEMUTimer *ts; |
| 1178 | |
| 1179 | ts = qemu_mallocz(sizeof(QEMUTimer)); |
| 1180 | ts->clock = clock; |
| 1181 | ts->cb = cb; |
| 1182 | ts->opaque = opaque; |
| 1183 | return ts; |
| 1184 | } |
| 1185 | |
| 1186 | void qemu_free_timer(QEMUTimer *ts) |
| 1187 | { |
| 1188 | qemu_free(ts); |
| 1189 | } |
| 1190 | |
| 1191 | /* stop a timer, but do not dealloc it */ |
| 1192 | void qemu_del_timer(QEMUTimer *ts) |
| 1193 | { |
| 1194 | QEMUTimer **pt, *t; |
| 1195 | |
| 1196 | /* NOTE: this code must be signal safe because |
| 1197 | qemu_timer_expired() can be called from a signal. */ |
| 1198 | pt = &active_timers[ts->clock->type]; |
| 1199 | for(;;) { |
| 1200 | t = *pt; |
| 1201 | if (!t) |
| 1202 | break; |
| 1203 | if (t == ts) { |
| 1204 | *pt = t->next; |
| 1205 | break; |
| 1206 | } |
| 1207 | pt = &t->next; |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | /* modify the current timer so that it will be fired when current_time |
| 1212 | >= expire_time. The corresponding callback will be called. */ |
| 1213 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) |
| 1214 | { |
| 1215 | QEMUTimer **pt, *t; |
| 1216 | |
| 1217 | qemu_del_timer(ts); |
| 1218 | |
| 1219 | /* add the timer in the sorted list */ |
| 1220 | /* NOTE: this code must be signal safe because |
| 1221 | qemu_timer_expired() can be called from a signal. */ |
| 1222 | pt = &active_timers[ts->clock->type]; |
| 1223 | for(;;) { |
| 1224 | t = *pt; |
| 1225 | if (!t) |
| 1226 | break; |
| 1227 | if (t->expire_time > expire_time) |
| 1228 | break; |
| 1229 | pt = &t->next; |
| 1230 | } |
| 1231 | ts->expire_time = expire_time; |
| 1232 | ts->next = *pt; |
| 1233 | *pt = ts; |
| 1234 | |
| 1235 | /* Rearm if necessary */ |
| 1236 | if (pt == &active_timers[ts->clock->type]) { |
| 1237 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
| 1238 | qemu_rearm_alarm_timer(alarm_timer); |
| 1239 | } |
| 1240 | /* Interrupt execution to force deadline recalculation. */ |
| 1241 | if (use_icount && cpu_single_env) { |
| 1242 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 1243 | } |
| 1244 | } |
| 1245 | } |
| 1246 | |
| 1247 | int qemu_timer_pending(QEMUTimer *ts) |
| 1248 | { |
| 1249 | QEMUTimer *t; |
| 1250 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
| 1251 | if (t == ts) |
| 1252 | return 1; |
| 1253 | } |
| 1254 | return 0; |
| 1255 | } |
| 1256 | |
| 1257 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
| 1258 | { |
| 1259 | if (!timer_head) |
| 1260 | return 0; |
| 1261 | return (timer_head->expire_time <= current_time); |
| 1262 | } |
| 1263 | |
| 1264 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
| 1265 | { |
| 1266 | QEMUTimer *ts; |
| 1267 | |
| 1268 | for(;;) { |
| 1269 | ts = *ptimer_head; |
| 1270 | if (!ts || ts->expire_time > current_time) |
| 1271 | break; |
| 1272 | /* remove timer from the list before calling the callback */ |
| 1273 | *ptimer_head = ts->next; |
| 1274 | ts->next = NULL; |
| 1275 | |
| 1276 | /* run the callback (the timer list can be modified) */ |
| 1277 | ts->cb(ts->opaque); |
| 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | int64_t qemu_get_clock(QEMUClock *clock) |
| 1282 | { |
| 1283 | switch(clock->type) { |
| 1284 | case QEMU_TIMER_REALTIME: |
| 1285 | return get_clock() / 1000000; |
| 1286 | default: |
| 1287 | case QEMU_TIMER_VIRTUAL: |
| 1288 | if (use_icount) { |
| 1289 | return cpu_get_icount(); |
| 1290 | } else { |
| 1291 | return cpu_get_clock(); |
| 1292 | } |
| 1293 | } |
| 1294 | } |
| 1295 | |
| 1296 | static void init_timers(void) |
| 1297 | { |
| 1298 | init_get_clock(); |
| 1299 | ticks_per_sec = QEMU_TIMER_BASE; |
| 1300 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
| 1301 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
| 1302 | } |
| 1303 | |
| 1304 | /* save a timer */ |
| 1305 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) |
| 1306 | { |
| 1307 | uint64_t expire_time; |
| 1308 | |
| 1309 | if (qemu_timer_pending(ts)) { |
| 1310 | expire_time = ts->expire_time; |
| 1311 | } else { |
| 1312 | expire_time = -1; |
| 1313 | } |
| 1314 | qemu_put_be64(f, expire_time); |
| 1315 | } |
| 1316 | |
| 1317 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) |
| 1318 | { |
| 1319 | uint64_t expire_time; |
| 1320 | |
| 1321 | expire_time = qemu_get_be64(f); |
| 1322 | if (expire_time != -1) { |
| 1323 | qemu_mod_timer(ts, expire_time); |
| 1324 | } else { |
| 1325 | qemu_del_timer(ts); |
| 1326 | } |
| 1327 | } |
| 1328 | |
| 1329 | static void timer_save(QEMUFile *f, void *opaque) |
| 1330 | { |
| 1331 | if (cpu_ticks_enabled) { |
| 1332 | hw_error("cannot save state if virtual timers are running"); |
| 1333 | } |
| 1334 | qemu_put_be64(f, cpu_ticks_offset); |
| 1335 | qemu_put_be64(f, ticks_per_sec); |
| 1336 | qemu_put_be64(f, cpu_clock_offset); |
| 1337 | } |
| 1338 | |
| 1339 | static int timer_load(QEMUFile *f, void *opaque, int version_id) |
| 1340 | { |
| 1341 | if (version_id != 1 && version_id != 2) |
| 1342 | return -EINVAL; |
| 1343 | if (cpu_ticks_enabled) { |
| 1344 | return -EINVAL; |
| 1345 | } |
| 1346 | cpu_ticks_offset=qemu_get_be64(f); |
| 1347 | ticks_per_sec=qemu_get_be64(f); |
| 1348 | if (version_id == 2) { |
| 1349 | cpu_clock_offset=qemu_get_be64(f); |
| 1350 | } |
| 1351 | return 0; |
| 1352 | } |
| 1353 | |
| 1354 | #ifdef _WIN32 |
| 1355 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
| 1356 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
| 1357 | #else |
| 1358 | static void host_alarm_handler(int host_signum) |
| 1359 | #endif |
| 1360 | { |
| 1361 | #if 0 |
| 1362 | #define DISP_FREQ 1000 |
| 1363 | { |
| 1364 | static int64_t delta_min = INT64_MAX; |
| 1365 | static int64_t delta_max, delta_cum, last_clock, delta, ti; |
| 1366 | static int count; |
| 1367 | ti = qemu_get_clock(vm_clock); |
| 1368 | if (last_clock != 0) { |
| 1369 | delta = ti - last_clock; |
| 1370 | if (delta < delta_min) |
| 1371 | delta_min = delta; |
| 1372 | if (delta > delta_max) |
| 1373 | delta_max = delta; |
| 1374 | delta_cum += delta; |
| 1375 | if (++count == DISP_FREQ) { |
| 1376 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
| 1377 | muldiv64(delta_min, 1000000, ticks_per_sec), |
| 1378 | muldiv64(delta_max, 1000000, ticks_per_sec), |
| 1379 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), |
| 1380 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); |
| 1381 | count = 0; |
| 1382 | delta_min = INT64_MAX; |
| 1383 | delta_max = 0; |
| 1384 | delta_cum = 0; |
| 1385 | } |
| 1386 | } |
| 1387 | last_clock = ti; |
| 1388 | } |
| 1389 | #endif |
| 1390 | if (alarm_has_dynticks(alarm_timer) || |
| 1391 | (!use_icount && |
| 1392 | qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
| 1393 | qemu_get_clock(vm_clock))) || |
| 1394 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
| 1395 | qemu_get_clock(rt_clock))) { |
| 1396 | #ifdef _WIN32 |
| 1397 | struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; |
| 1398 | SetEvent(data->host_alarm); |
| 1399 | #endif |
| 1400 | CPUState *env = next_cpu; |
| 1401 | |
| 1402 | alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
| 1403 | |
| 1404 | if (env) { |
| 1405 | /* stop the currently executing cpu because a timer occured */ |
| 1406 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
| 1407 | #ifdef USE_KQEMU |
| 1408 | if (env->kqemu_enabled) { |
| 1409 | kqemu_cpu_interrupt(env); |
| 1410 | } |
| 1411 | #endif |
| 1412 | } |
| 1413 | event_pending = 1; |
| 1414 | } |
| 1415 | } |
| 1416 | |
| 1417 | static int64_t qemu_next_deadline(void) |
| 1418 | { |
| 1419 | int64_t delta; |
| 1420 | |
| 1421 | if (active_timers[QEMU_TIMER_VIRTUAL]) { |
| 1422 | delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - |
| 1423 | qemu_get_clock(vm_clock); |
| 1424 | } else { |
| 1425 | /* To avoid problems with overflow limit this to 2^32. */ |
| 1426 | delta = INT32_MAX; |
| 1427 | } |
| 1428 | |
| 1429 | if (delta < 0) |
| 1430 | delta = 0; |
| 1431 | |
| 1432 | return delta; |
| 1433 | } |
| 1434 | |
| 1435 | #if defined(__linux__) || defined(_WIN32) |
| 1436 | static uint64_t qemu_next_deadline_dyntick(void) |
| 1437 | { |
| 1438 | int64_t delta; |
| 1439 | int64_t rtdelta; |
| 1440 | |
| 1441 | if (use_icount) |
| 1442 | delta = INT32_MAX; |
| 1443 | else |
| 1444 | delta = (qemu_next_deadline() + 999) / 1000; |
| 1445 | |
| 1446 | if (active_timers[QEMU_TIMER_REALTIME]) { |
| 1447 | rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - |
| 1448 | qemu_get_clock(rt_clock))*1000; |
| 1449 | if (rtdelta < delta) |
| 1450 | delta = rtdelta; |
| 1451 | } |
| 1452 | |
| 1453 | if (delta < MIN_TIMER_REARM_US) |
| 1454 | delta = MIN_TIMER_REARM_US; |
| 1455 | |
| 1456 | return delta; |
| 1457 | } |
| 1458 | #endif |
| 1459 | |
| 1460 | #ifndef _WIN32 |
| 1461 | |
| 1462 | #if defined(__linux__) |
| 1463 | |
| 1464 | #define RTC_FREQ 1024 |
| 1465 | |
| 1466 | static void enable_sigio_timer(int fd) |
| 1467 | { |
| 1468 | struct sigaction act; |
| 1469 | |
| 1470 | /* timer signal */ |
| 1471 | sigfillset(&act.sa_mask); |
| 1472 | act.sa_flags = 0; |
| 1473 | act.sa_handler = host_alarm_handler; |
| 1474 | |
| 1475 | sigaction(SIGIO, &act, NULL); |
| 1476 | fcntl(fd, F_SETFL, O_ASYNC); |
| 1477 | fcntl(fd, F_SETOWN, getpid()); |
| 1478 | } |
| 1479 | |
| 1480 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
| 1481 | { |
| 1482 | struct hpet_info info; |
| 1483 | int r, fd; |
| 1484 | |
| 1485 | fd = open("/dev/hpet", O_RDONLY); |
| 1486 | if (fd < 0) |
| 1487 | return -1; |
| 1488 | |
| 1489 | /* Set frequency */ |
| 1490 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
| 1491 | if (r < 0) { |
| 1492 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" |
| 1493 | "error, but for better emulation accuracy type:\n" |
| 1494 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); |
| 1495 | goto fail; |
| 1496 | } |
| 1497 | |
| 1498 | /* Check capabilities */ |
| 1499 | r = ioctl(fd, HPET_INFO, &info); |
| 1500 | if (r < 0) |
| 1501 | goto fail; |
| 1502 | |
| 1503 | /* Enable periodic mode */ |
| 1504 | r = ioctl(fd, HPET_EPI, 0); |
| 1505 | if (info.hi_flags && (r < 0)) |
| 1506 | goto fail; |
| 1507 | |
| 1508 | /* Enable interrupt */ |
| 1509 | r = ioctl(fd, HPET_IE_ON, 0); |
| 1510 | if (r < 0) |
| 1511 | goto fail; |
| 1512 | |
| 1513 | enable_sigio_timer(fd); |
| 1514 | t->priv = (void *)(long)fd; |
| 1515 | |
| 1516 | return 0; |
| 1517 | fail: |
| 1518 | close(fd); |
| 1519 | return -1; |
| 1520 | } |
| 1521 | |
| 1522 | static void hpet_stop_timer(struct qemu_alarm_timer *t) |
| 1523 | { |
| 1524 | int fd = (long)t->priv; |
| 1525 | |
| 1526 | close(fd); |
| 1527 | } |
| 1528 | |
| 1529 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
| 1530 | { |
| 1531 | int rtc_fd; |
| 1532 | unsigned long current_rtc_freq = 0; |
| 1533 | |
| 1534 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); |
| 1535 | if (rtc_fd < 0) |
| 1536 | return -1; |
| 1537 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
| 1538 | if (current_rtc_freq != RTC_FREQ && |
| 1539 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
| 1540 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
| 1541 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" |
| 1542 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); |
| 1543 | goto fail; |
| 1544 | } |
| 1545 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
| 1546 | fail: |
| 1547 | close(rtc_fd); |
| 1548 | return -1; |
| 1549 | } |
| 1550 | |
| 1551 | enable_sigio_timer(rtc_fd); |
| 1552 | |
| 1553 | t->priv = (void *)(long)rtc_fd; |
| 1554 | |
| 1555 | return 0; |
| 1556 | } |
| 1557 | |
| 1558 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
| 1559 | { |
| 1560 | int rtc_fd = (long)t->priv; |
| 1561 | |
| 1562 | close(rtc_fd); |
| 1563 | } |
| 1564 | |
| 1565 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
| 1566 | { |
| 1567 | struct sigevent ev; |
| 1568 | timer_t host_timer; |
| 1569 | struct sigaction act; |
| 1570 | |
| 1571 | sigfillset(&act.sa_mask); |
| 1572 | act.sa_flags = 0; |
| 1573 | act.sa_handler = host_alarm_handler; |
| 1574 | |
| 1575 | sigaction(SIGALRM, &act, NULL); |
| 1576 | |
| 1577 | ev.sigev_value.sival_int = 0; |
| 1578 | ev.sigev_notify = SIGEV_SIGNAL; |
| 1579 | ev.sigev_signo = SIGALRM; |
| 1580 | |
| 1581 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { |
| 1582 | perror("timer_create"); |
| 1583 | |
| 1584 | /* disable dynticks */ |
| 1585 | fprintf(stderr, "Dynamic Ticks disabled\n"); |
| 1586 | |
| 1587 | return -1; |
| 1588 | } |
| 1589 | |
| 1590 | t->priv = (void *)host_timer; |
| 1591 | |
| 1592 | return 0; |
| 1593 | } |
| 1594 | |
| 1595 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
| 1596 | { |
| 1597 | timer_t host_timer = (timer_t)t->priv; |
| 1598 | |
| 1599 | timer_delete(host_timer); |
| 1600 | } |
| 1601 | |
| 1602 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
| 1603 | { |
| 1604 | timer_t host_timer = (timer_t)t->priv; |
| 1605 | struct itimerspec timeout; |
| 1606 | int64_t nearest_delta_us = INT64_MAX; |
| 1607 | int64_t current_us; |
| 1608 | |
| 1609 | if (!active_timers[QEMU_TIMER_REALTIME] && |
| 1610 | !active_timers[QEMU_TIMER_VIRTUAL]) |
| 1611 | return; |
| 1612 | |
| 1613 | nearest_delta_us = qemu_next_deadline_dyntick(); |
| 1614 | |
| 1615 | /* check whether a timer is already running */ |
| 1616 | if (timer_gettime(host_timer, &timeout)) { |
| 1617 | perror("gettime"); |
| 1618 | fprintf(stderr, "Internal timer error: aborting\n"); |
| 1619 | exit(1); |
| 1620 | } |
| 1621 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
| 1622 | if (current_us && current_us <= nearest_delta_us) |
| 1623 | return; |
| 1624 | |
| 1625 | timeout.it_interval.tv_sec = 0; |
| 1626 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
| 1627 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; |
| 1628 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
| 1629 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
| 1630 | perror("settime"); |
| 1631 | fprintf(stderr, "Internal timer error: aborting\n"); |
| 1632 | exit(1); |
| 1633 | } |
| 1634 | } |
| 1635 | |
| 1636 | #endif /* defined(__linux__) */ |
| 1637 | |
| 1638 | static int unix_start_timer(struct qemu_alarm_timer *t) |
| 1639 | { |
| 1640 | struct sigaction act; |
| 1641 | struct itimerval itv; |
| 1642 | int err; |
| 1643 | |
| 1644 | /* timer signal */ |
| 1645 | sigfillset(&act.sa_mask); |
| 1646 | act.sa_flags = 0; |
| 1647 | act.sa_handler = host_alarm_handler; |
| 1648 | |
| 1649 | sigaction(SIGALRM, &act, NULL); |
| 1650 | |
| 1651 | itv.it_interval.tv_sec = 0; |
| 1652 | /* for i386 kernel 2.6 to get 1 ms */ |
| 1653 | itv.it_interval.tv_usec = 999; |
| 1654 | itv.it_value.tv_sec = 0; |
| 1655 | itv.it_value.tv_usec = 10 * 1000; |
| 1656 | |
| 1657 | err = setitimer(ITIMER_REAL, &itv, NULL); |
| 1658 | if (err) |
| 1659 | return -1; |
| 1660 | |
| 1661 | return 0; |
| 1662 | } |
| 1663 | |
| 1664 | static void unix_stop_timer(struct qemu_alarm_timer *t) |
| 1665 | { |
| 1666 | struct itimerval itv; |
| 1667 | |
| 1668 | memset(&itv, 0, sizeof(itv)); |
| 1669 | setitimer(ITIMER_REAL, &itv, NULL); |
| 1670 | } |
| 1671 | |
| 1672 | #endif /* !defined(_WIN32) */ |
| 1673 | |
| 1674 | #ifdef _WIN32 |
| 1675 | |
| 1676 | static int win32_start_timer(struct qemu_alarm_timer *t) |
| 1677 | { |
| 1678 | TIMECAPS tc; |
| 1679 | struct qemu_alarm_win32 *data = t->priv; |
| 1680 | UINT flags; |
| 1681 | |
| 1682 | data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 1683 | if (!data->host_alarm) { |
| 1684 | perror("Failed CreateEvent"); |
| 1685 | return -1; |
| 1686 | } |
| 1687 | |
| 1688 | memset(&tc, 0, sizeof(tc)); |
| 1689 | timeGetDevCaps(&tc, sizeof(tc)); |
| 1690 | |
| 1691 | if (data->period < tc.wPeriodMin) |
| 1692 | data->period = tc.wPeriodMin; |
| 1693 | |
| 1694 | timeBeginPeriod(data->period); |
| 1695 | |
| 1696 | flags = TIME_CALLBACK_FUNCTION; |
| 1697 | if (alarm_has_dynticks(t)) |
| 1698 | flags |= TIME_ONESHOT; |
| 1699 | else |
| 1700 | flags |= TIME_PERIODIC; |
| 1701 | |
| 1702 | data->timerId = timeSetEvent(1, // interval (ms) |
| 1703 | data->period, // resolution |
| 1704 | host_alarm_handler, // function |
| 1705 | (DWORD)t, // parameter |
| 1706 | flags); |
| 1707 | |
| 1708 | if (!data->timerId) { |
| 1709 | perror("Failed to initialize win32 alarm timer"); |
| 1710 | |
| 1711 | timeEndPeriod(data->period); |
| 1712 | CloseHandle(data->host_alarm); |
| 1713 | return -1; |
| 1714 | } |
| 1715 | |
| 1716 | qemu_add_wait_object(data->host_alarm, NULL, NULL); |
| 1717 | |
| 1718 | return 0; |
| 1719 | } |
| 1720 | |
| 1721 | static void win32_stop_timer(struct qemu_alarm_timer *t) |
| 1722 | { |
| 1723 | struct qemu_alarm_win32 *data = t->priv; |
| 1724 | |
| 1725 | timeKillEvent(data->timerId); |
| 1726 | timeEndPeriod(data->period); |
| 1727 | |
| 1728 | CloseHandle(data->host_alarm); |
| 1729 | } |
| 1730 | |
| 1731 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
| 1732 | { |
| 1733 | struct qemu_alarm_win32 *data = t->priv; |
| 1734 | uint64_t nearest_delta_us; |
| 1735 | |
| 1736 | if (!active_timers[QEMU_TIMER_REALTIME] && |
| 1737 | !active_timers[QEMU_TIMER_VIRTUAL]) |
| 1738 | return; |
| 1739 | |
| 1740 | nearest_delta_us = qemu_next_deadline_dyntick(); |
| 1741 | nearest_delta_us /= 1000; |
| 1742 | |
| 1743 | timeKillEvent(data->timerId); |
| 1744 | |
| 1745 | data->timerId = timeSetEvent(1, |
| 1746 | data->period, |
| 1747 | host_alarm_handler, |
| 1748 | (DWORD)t, |
| 1749 | TIME_ONESHOT | TIME_PERIODIC); |
| 1750 | |
| 1751 | if (!data->timerId) { |
| 1752 | perror("Failed to re-arm win32 alarm timer"); |
| 1753 | |
| 1754 | timeEndPeriod(data->period); |
| 1755 | CloseHandle(data->host_alarm); |
| 1756 | exit(1); |
| 1757 | } |
| 1758 | } |
| 1759 | |
| 1760 | #endif /* _WIN32 */ |
| 1761 | |
| 1762 | static void init_timer_alarm(void) |
| 1763 | { |
| 1764 | struct qemu_alarm_timer *t; |
| 1765 | int i, err = -1; |
| 1766 | |
| 1767 | for (i = 0; alarm_timers[i].name; i++) { |
| 1768 | t = &alarm_timers[i]; |
| 1769 | |
| 1770 | err = t->start(t); |
| 1771 | if (!err) |
| 1772 | break; |
| 1773 | } |
| 1774 | |
| 1775 | if (err) { |
| 1776 | fprintf(stderr, "Unable to find any suitable alarm timer.\n"); |
| 1777 | fprintf(stderr, "Terminating\n"); |
| 1778 | exit(1); |
| 1779 | } |
| 1780 | |
| 1781 | alarm_timer = t; |
| 1782 | } |
| 1783 | |
| 1784 | static void quit_timers(void) |
| 1785 | { |
| 1786 | alarm_timer->stop(alarm_timer); |
| 1787 | alarm_timer = NULL; |
| 1788 | } |
| 1789 | |
| 1790 | /***********************************************************/ |
| 1791 | /* host time/date access */ |
| 1792 | void qemu_get_timedate(struct tm *tm, int offset) |
| 1793 | { |
| 1794 | time_t ti; |
| 1795 | struct tm *ret; |
| 1796 | |
| 1797 | time(&ti); |
| 1798 | ti += offset; |
| 1799 | if (rtc_date_offset == -1) { |
| 1800 | if (rtc_utc) |
| 1801 | ret = gmtime(&ti); |
| 1802 | else |
| 1803 | ret = localtime(&ti); |
| 1804 | } else { |
| 1805 | ti -= rtc_date_offset; |
| 1806 | ret = gmtime(&ti); |
| 1807 | } |
| 1808 | |
| 1809 | memcpy(tm, ret, sizeof(struct tm)); |
| 1810 | } |
| 1811 | |
| 1812 | int qemu_timedate_diff(struct tm *tm) |
| 1813 | { |
| 1814 | time_t seconds; |
| 1815 | |
| 1816 | if (rtc_date_offset == -1) |
| 1817 | if (rtc_utc) |
| 1818 | seconds = mktimegm(tm); |
| 1819 | else |
| 1820 | seconds = mktime(tm); |
| 1821 | else |
| 1822 | seconds = mktimegm(tm) + rtc_date_offset; |
| 1823 | |
| 1824 | return seconds - time(NULL); |
| 1825 | } |
| 1826 | |
| 1827 | |
| 1828 | #ifdef CONFIG_TRACE |
| 1829 | static int tbflush_requested; |
| 1830 | static int exit_requested; |
| 1831 | |
| 1832 | void start_tracing() |
| 1833 | { |
| 1834 | if (trace_filename == NULL) |
| 1835 | return; |
| 1836 | if (!tracing) { |
| 1837 | fprintf(stderr,"-- start tracing --\n"); |
| 1838 | start_time = Now(); |
| 1839 | } |
| 1840 | tracing = 1; |
| 1841 | tbflush_requested = 1; |
| 1842 | if (cpu_single_env) |
| 1843 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 1844 | } |
| 1845 | |
| 1846 | void stop_tracing() |
| 1847 | { |
| 1848 | if (trace_filename == NULL) |
| 1849 | return; |
| 1850 | if (tracing) { |
| 1851 | end_time = Now(); |
| 1852 | elapsed_usecs += end_time - start_time; |
| 1853 | fprintf(stderr,"-- stop tracing --\n"); |
| 1854 | } |
| 1855 | tracing = 0; |
| 1856 | tbflush_requested = 1; |
| 1857 | if (cpu_single_env) |
| 1858 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 1859 | } |
| 1860 | |
| 1861 | #ifndef _WIN32 |
| 1862 | /* This is the handler for the SIGUSR1 and SIGUSR2 signals. |
| 1863 | * SIGUSR1 turns tracing on. SIGUSR2 turns tracing off. |
| 1864 | */ |
| 1865 | void sigusr_handler(int sig) |
| 1866 | { |
| 1867 | if (sig == SIGUSR1) |
| 1868 | start_tracing(); |
| 1869 | else |
| 1870 | stop_tracing(); |
| 1871 | } |
| 1872 | #endif |
| 1873 | |
| 1874 | /* This is the handler to catch control-C so that we can exit cleanly. |
| 1875 | * This is needed when tracing to flush the buffers to disk. |
| 1876 | */ |
| 1877 | void sigint_handler(int sig) |
| 1878 | { |
| 1879 | exit_requested = 1; |
| 1880 | if (cpu_single_env) |
| 1881 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 1882 | } |
| 1883 | #endif /* CONFIG_TRACE */ |
| 1884 | |
| 1885 | |
| 1886 | /***********************************************************/ |
| 1887 | /* character device */ |
| 1888 | |
| 1889 | static void qemu_chr_event(CharDriverState *s, int event) |
| 1890 | { |
| 1891 | if (!s->chr_event) |
| 1892 | return; |
| 1893 | s->chr_event(s->handler_opaque, event); |
| 1894 | } |
| 1895 | |
| 1896 | static void qemu_chr_reset_bh(void *opaque) |
| 1897 | { |
| 1898 | CharDriverState *s = opaque; |
| 1899 | qemu_chr_event(s, CHR_EVENT_RESET); |
| 1900 | qemu_bh_delete(s->bh); |
| 1901 | s->bh = NULL; |
| 1902 | } |
| 1903 | |
| 1904 | void qemu_chr_reset(CharDriverState *s) |
| 1905 | { |
| 1906 | if (s->bh == NULL) { |
| 1907 | s->bh = qemu_bh_new(qemu_chr_reset_bh, s); |
| 1908 | qemu_bh_schedule(s->bh); |
| 1909 | } |
| 1910 | } |
| 1911 | |
| 1912 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
| 1913 | { |
| 1914 | return s->chr_write(s, buf, len); |
| 1915 | } |
| 1916 | |
| 1917 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
| 1918 | { |
| 1919 | if (!s->chr_ioctl) |
| 1920 | return -ENOTSUP; |
| 1921 | return s->chr_ioctl(s, cmd, arg); |
| 1922 | } |
| 1923 | |
| 1924 | int qemu_chr_can_read(CharDriverState *s) |
| 1925 | { |
| 1926 | if (!s->chr_can_read) |
| 1927 | return 0; |
| 1928 | return s->chr_can_read(s->handler_opaque); |
| 1929 | } |
| 1930 | |
| 1931 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) |
| 1932 | { |
| 1933 | s->chr_read(s->handler_opaque, buf, len); |
| 1934 | } |
| 1935 | |
| 1936 | void qemu_chr_accept_input(CharDriverState *s) |
| 1937 | { |
| 1938 | if (s->chr_accept_input) |
| 1939 | s->chr_accept_input(s); |
| 1940 | } |
| 1941 | |
| 1942 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
| 1943 | { |
| 1944 | char buf[4096]; |
| 1945 | va_list ap; |
| 1946 | va_start(ap, fmt); |
| 1947 | vsnprintf(buf, sizeof(buf), fmt, ap); |
| 1948 | qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); |
| 1949 | va_end(ap); |
| 1950 | } |
| 1951 | |
| 1952 | void qemu_chr_send_event(CharDriverState *s, int event) |
| 1953 | { |
| 1954 | if (s->chr_send_event) |
| 1955 | s->chr_send_event(s, event); |
| 1956 | } |
| 1957 | |
| 1958 | void qemu_chr_add_handlers(CharDriverState *s, |
| 1959 | IOCanRWHandler *fd_can_read, |
| 1960 | IOReadHandler *fd_read, |
| 1961 | IOEventHandler *fd_event, |
| 1962 | void *opaque) |
| 1963 | { |
| 1964 | s->chr_can_read = fd_can_read; |
| 1965 | s->chr_read = fd_read; |
| 1966 | s->chr_event = fd_event; |
| 1967 | s->handler_opaque = opaque; |
| 1968 | if (s->chr_update_read_handler) |
| 1969 | s->chr_update_read_handler(s); |
| 1970 | } |
| 1971 | |
| 1972 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1973 | { |
| 1974 | return len; |
| 1975 | } |
| 1976 | |
| 1977 | static CharDriverState *qemu_chr_open_null(void) |
| 1978 | { |
| 1979 | CharDriverState *chr; |
| 1980 | |
| 1981 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 1982 | if (!chr) |
| 1983 | return NULL; |
| 1984 | chr->chr_write = null_chr_write; |
| 1985 | return chr; |
| 1986 | } |
| 1987 | |
| 1988 | /* MUX driver for serial I/O splitting */ |
| 1989 | static int term_timestamps; |
| 1990 | static int64_t term_timestamps_start; |
| 1991 | #define MAX_MUX 4 |
| 1992 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
| 1993 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) |
| 1994 | typedef struct { |
| 1995 | IOCanRWHandler *chr_can_read[MAX_MUX]; |
| 1996 | IOReadHandler *chr_read[MAX_MUX]; |
| 1997 | IOEventHandler *chr_event[MAX_MUX]; |
| 1998 | void *ext_opaque[MAX_MUX]; |
| 1999 | CharDriverState *drv; |
| 2000 | unsigned char buffer[MUX_BUFFER_SIZE]; |
| 2001 | int prod; |
| 2002 | int cons; |
| 2003 | int mux_cnt; |
| 2004 | int term_got_escape; |
| 2005 | int max_size; |
| 2006 | } MuxDriver; |
| 2007 | |
| 2008 | |
| 2009 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 2010 | { |
| 2011 | MuxDriver *d = chr->opaque; |
| 2012 | int ret; |
| 2013 | if (!term_timestamps) { |
| 2014 | ret = d->drv->chr_write(d->drv, buf, len); |
| 2015 | } else { |
| 2016 | int i; |
| 2017 | |
| 2018 | ret = 0; |
| 2019 | for(i = 0; i < len; i++) { |
| 2020 | ret += d->drv->chr_write(d->drv, buf+i, 1); |
| 2021 | if (buf[i] == '\n') { |
| 2022 | char buf1[64]; |
| 2023 | int64_t ti; |
| 2024 | int secs; |
| 2025 | |
| 2026 | ti = get_clock(); |
| 2027 | if (term_timestamps_start == -1) |
| 2028 | term_timestamps_start = ti; |
| 2029 | ti -= term_timestamps_start; |
| 2030 | secs = ti / 1000000000; |
| 2031 | snprintf(buf1, sizeof(buf1), |
| 2032 | "[%02d:%02d:%02d.%03d] ", |
| 2033 | secs / 3600, |
| 2034 | (secs / 60) % 60, |
| 2035 | secs % 60, |
| 2036 | (int)((ti / 1000000) % 1000)); |
| 2037 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
| 2038 | } |
| 2039 | } |
| 2040 | } |
| 2041 | return ret; |
| 2042 | } |
| 2043 | |
| 2044 | static const char * const mux_help[] = { |
| 2045 | "% h print this help\n\r", |
| 2046 | "% x exit emulator\n\r", |
| 2047 | "% s save disk data back to file (if -snapshot)\n\r", |
| 2048 | "% t toggle console timestamps\n\r" |
| 2049 | "% b send break (magic sysrq)\n\r", |
| 2050 | "% c switch between console and monitor\n\r", |
| 2051 | "% % sends %\n\r", |
| 2052 | NULL |
| 2053 | }; |
| 2054 | |
| 2055 | static int term_escape_char = 0x01; /* ctrl-a is used for escape */ |
| 2056 | static void mux_print_help(CharDriverState *chr) |
| 2057 | { |
| 2058 | int i, j; |
| 2059 | char ebuf[15] = "Escape-Char"; |
| 2060 | char cbuf[50] = "\n\r"; |
| 2061 | |
| 2062 | if (term_escape_char > 0 && term_escape_char < 26) { |
| 2063 | snprintf(cbuf, sizeof(cbuf), "\n\r"); |
| 2064 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); |
| 2065 | } else { |
| 2066 | snprintf(cbuf, sizeof(cbuf), |
| 2067 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", |
| 2068 | term_escape_char); |
| 2069 | } |
| 2070 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
| 2071 | for (i = 0; mux_help[i] != NULL; i++) { |
| 2072 | for (j=0; mux_help[i][j] != '\0'; j++) { |
| 2073 | if (mux_help[i][j] == '%') |
| 2074 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
| 2075 | else |
| 2076 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); |
| 2077 | } |
| 2078 | } |
| 2079 | } |
| 2080 | |
| 2081 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
| 2082 | { |
| 2083 | if (d->term_got_escape) { |
| 2084 | d->term_got_escape = 0; |
| 2085 | if (ch == term_escape_char) |
| 2086 | goto send_char; |
| 2087 | switch(ch) { |
| 2088 | case '?': |
| 2089 | case 'h': |
| 2090 | mux_print_help(chr); |
| 2091 | break; |
| 2092 | case 'x': |
| 2093 | { |
| 2094 | const char *term = "QEMU: Terminated\n\r"; |
| 2095 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); |
| 2096 | exit(0); |
| 2097 | break; |
| 2098 | } |
| 2099 | case 's': |
| 2100 | { |
| 2101 | int i; |
| 2102 | for (i = 0; i < nb_drives; i++) { |
| 2103 | bdrv_commit(drives_table[i].bdrv); |
| 2104 | } |
| 2105 | } |
| 2106 | break; |
| 2107 | case 'b': |
| 2108 | qemu_chr_event(chr, CHR_EVENT_BREAK); |
| 2109 | break; |
| 2110 | case 'c': |
| 2111 | /* Switch to the next registered device */ |
| 2112 | chr->focus++; |
| 2113 | if (chr->focus >= d->mux_cnt) |
| 2114 | chr->focus = 0; |
| 2115 | break; |
| 2116 | case 't': |
| 2117 | term_timestamps = !term_timestamps; |
| 2118 | term_timestamps_start = -1; |
| 2119 | break; |
| 2120 | } |
| 2121 | } else if (ch == term_escape_char) { |
| 2122 | d->term_got_escape = 1; |
| 2123 | } else { |
| 2124 | send_char: |
| 2125 | return 1; |
| 2126 | } |
| 2127 | return 0; |
| 2128 | } |
| 2129 | |
| 2130 | static void mux_chr_accept_input(CharDriverState *chr) |
| 2131 | { |
| 2132 | int m = chr->focus; |
| 2133 | MuxDriver *d = chr->opaque; |
| 2134 | |
| 2135 | while (d->prod != d->cons && |
| 2136 | d->chr_can_read[m] && |
| 2137 | d->chr_can_read[m](d->ext_opaque[m])) { |
| 2138 | d->chr_read[m](d->ext_opaque[m], |
| 2139 | &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1); |
| 2140 | } |
| 2141 | } |
| 2142 | |
| 2143 | static int mux_chr_can_read(void *opaque) |
| 2144 | { |
| 2145 | CharDriverState *chr = opaque; |
| 2146 | MuxDriver *d = chr->opaque; |
| 2147 | |
| 2148 | if ((d->prod - d->cons) < MUX_BUFFER_SIZE) |
| 2149 | return 1; |
| 2150 | if (d->chr_can_read[chr->focus]) |
| 2151 | return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]); |
| 2152 | return 0; |
| 2153 | } |
| 2154 | |
| 2155 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) |
| 2156 | { |
| 2157 | CharDriverState *chr = opaque; |
| 2158 | MuxDriver *d = chr->opaque; |
| 2159 | int m = chr->focus; |
| 2160 | int i; |
| 2161 | |
| 2162 | mux_chr_accept_input (opaque); |
| 2163 | |
| 2164 | for(i = 0; i < size; i++) |
| 2165 | if (mux_proc_byte(chr, d, buf[i])) { |
| 2166 | if (d->prod == d->cons && |
| 2167 | d->chr_can_read[m] && |
| 2168 | d->chr_can_read[m](d->ext_opaque[m])) |
| 2169 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); |
| 2170 | else |
| 2171 | d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i]; |
| 2172 | } |
| 2173 | } |
| 2174 | |
| 2175 | static void mux_chr_event(void *opaque, int event) |
| 2176 | { |
| 2177 | CharDriverState *chr = opaque; |
| 2178 | MuxDriver *d = chr->opaque; |
| 2179 | int i; |
| 2180 | |
| 2181 | /* Send the event to all registered listeners */ |
| 2182 | for (i = 0; i < d->mux_cnt; i++) |
| 2183 | if (d->chr_event[i]) |
| 2184 | d->chr_event[i](d->ext_opaque[i], event); |
| 2185 | } |
| 2186 | |
| 2187 | static void mux_chr_update_read_handler(CharDriverState *chr) |
| 2188 | { |
| 2189 | MuxDriver *d = chr->opaque; |
| 2190 | |
| 2191 | if (d->mux_cnt >= MAX_MUX) { |
| 2192 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); |
| 2193 | return; |
| 2194 | } |
| 2195 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; |
| 2196 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; |
| 2197 | d->chr_read[d->mux_cnt] = chr->chr_read; |
| 2198 | d->chr_event[d->mux_cnt] = chr->chr_event; |
| 2199 | /* Fix up the real driver with mux routines */ |
| 2200 | if (d->mux_cnt == 0) { |
| 2201 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, |
| 2202 | mux_chr_event, chr); |
| 2203 | } |
| 2204 | chr->focus = d->mux_cnt; |
| 2205 | d->mux_cnt++; |
| 2206 | } |
| 2207 | |
| 2208 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) |
| 2209 | { |
| 2210 | CharDriverState *chr; |
| 2211 | MuxDriver *d; |
| 2212 | |
| 2213 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 2214 | if (!chr) |
| 2215 | return NULL; |
| 2216 | d = qemu_mallocz(sizeof(MuxDriver)); |
| 2217 | if (!d) { |
| 2218 | free(chr); |
| 2219 | return NULL; |
| 2220 | } |
| 2221 | |
| 2222 | chr->opaque = d; |
| 2223 | d->drv = drv; |
| 2224 | chr->focus = -1; |
| 2225 | chr->chr_write = mux_chr_write; |
| 2226 | chr->chr_update_read_handler = mux_chr_update_read_handler; |
| 2227 | chr->chr_accept_input = mux_chr_accept_input; |
| 2228 | return chr; |
| 2229 | } |
| 2230 | |
| 2231 | |
| 2232 | #ifdef _WIN32 |
| 2233 | |
| 2234 | static int send_all(int fd, const uint8_t *buf, int len1) |
| 2235 | { |
| 2236 | int ret, len; |
| 2237 | |
| 2238 | len = len1; |
| 2239 | while (len > 0) { |
| 2240 | ret = socket_send(fd, buf, len); |
| 2241 | if (ret < 0) { |
| 2242 | if (errno != EWOULDBLOCK) { |
| 2243 | return -1; |
| 2244 | } |
| 2245 | } else if (ret == 0) { |
| 2246 | break; |
| 2247 | } else { |
| 2248 | buf += ret; |
| 2249 | len -= ret; |
| 2250 | } |
| 2251 | } |
| 2252 | return len1 - len; |
| 2253 | } |
| 2254 | |
| 2255 | #else |
| 2256 | |
| 2257 | static int unix_write(int fd, const uint8_t *buf, int len1) |
| 2258 | { |
| 2259 | int ret, len; |
| 2260 | |
| 2261 | len = len1; |
| 2262 | while (len > 0) { |
| 2263 | ret = write(fd, buf, len); |
| 2264 | if (ret < 0) { |
| 2265 | if (errno != EINTR && errno != EAGAIN) |
| 2266 | return -1; |
| 2267 | } else if (ret == 0) { |
| 2268 | break; |
| 2269 | } else { |
| 2270 | buf += ret; |
| 2271 | len -= ret; |
| 2272 | } |
| 2273 | } |
| 2274 | return len1 - len; |
| 2275 | } |
| 2276 | |
| 2277 | static inline int send_all(int fd, const uint8_t *buf, int len1) |
| 2278 | { |
| 2279 | return unix_write(fd, buf, len1); |
| 2280 | } |
| 2281 | #endif /* !_WIN32 */ |
| 2282 | |
| 2283 | #ifndef _WIN32 |
| 2284 | |
| 2285 | typedef struct { |
| 2286 | int fd_in, fd_out; |
| 2287 | int max_size; |
| 2288 | } FDCharDriver; |
| 2289 | |
| 2290 | #define STDIO_MAX_CLIENTS 1 |
| 2291 | static int stdio_nb_clients = 0; |
| 2292 | |
| 2293 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 2294 | { |
| 2295 | FDCharDriver *s = chr->opaque; |
| 2296 | return unix_write(s->fd_out, buf, len); |
| 2297 | } |
| 2298 | |
| 2299 | static int fd_chr_read_poll(void *opaque) |
| 2300 | { |
| 2301 | CharDriverState *chr = opaque; |
| 2302 | FDCharDriver *s = chr->opaque; |
| 2303 | |
| 2304 | s->max_size = qemu_chr_can_read(chr); |
| 2305 | return s->max_size; |
| 2306 | } |
| 2307 | |
| 2308 | static void fd_chr_read(void *opaque) |
| 2309 | { |
| 2310 | CharDriverState *chr = opaque; |
| 2311 | FDCharDriver *s = chr->opaque; |
| 2312 | int size, len; |
| 2313 | uint8_t buf[1024]; |
| 2314 | |
| 2315 | len = sizeof(buf); |
| 2316 | if (len > s->max_size) |
| 2317 | len = s->max_size; |
| 2318 | if (len == 0) |
| 2319 | return; |
| 2320 | size = read(s->fd_in, buf, len); |
| 2321 | if (size == 0) { |
| 2322 | /* FD has been closed. Remove it from the active list. */ |
| 2323 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
| 2324 | return; |
| 2325 | } |
| 2326 | if (size > 0) { |
| 2327 | qemu_chr_read(chr, buf, size); |
| 2328 | } |
| 2329 | } |
| 2330 | |
| 2331 | static void fd_chr_update_read_handler(CharDriverState *chr) |
| 2332 | { |
| 2333 | FDCharDriver *s = chr->opaque; |
| 2334 | |
| 2335 | if (s->fd_in >= 0) { |
| 2336 | if (nographic && s->fd_in == 0) { |
| 2337 | } else { |
| 2338 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
| 2339 | fd_chr_read, NULL, chr); |
| 2340 | } |
| 2341 | } |
| 2342 | } |
| 2343 | |
| 2344 | static void fd_chr_close(struct CharDriverState *chr) |
| 2345 | { |
| 2346 | FDCharDriver *s = chr->opaque; |
| 2347 | |
| 2348 | if (s->fd_in >= 0) { |
| 2349 | if (nographic && s->fd_in == 0) { |
| 2350 | } else { |
| 2351 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
| 2352 | } |
| 2353 | } |
| 2354 | |
| 2355 | qemu_free(s); |
| 2356 | } |
| 2357 | |
| 2358 | /* open a character device to a unix fd */ |
| 2359 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
| 2360 | { |
| 2361 | CharDriverState *chr; |
| 2362 | FDCharDriver *s; |
| 2363 | |
| 2364 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 2365 | if (!chr) |
| 2366 | return NULL; |
| 2367 | s = qemu_mallocz(sizeof(FDCharDriver)); |
| 2368 | if (!s) { |
| 2369 | free(chr); |
| 2370 | return NULL; |
| 2371 | } |
| 2372 | s->fd_in = fd_in; |
| 2373 | s->fd_out = fd_out; |
| 2374 | chr->opaque = s; |
| 2375 | chr->chr_write = fd_chr_write; |
| 2376 | chr->chr_update_read_handler = fd_chr_update_read_handler; |
| 2377 | chr->chr_close = fd_chr_close; |
| 2378 | |
| 2379 | qemu_chr_reset(chr); |
| 2380 | |
| 2381 | return chr; |
| 2382 | } |
| 2383 | |
| 2384 | static CharDriverState *qemu_chr_open_file_out(const char *file_out) |
| 2385 | { |
| 2386 | int fd_out; |
| 2387 | |
| 2388 | TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); |
| 2389 | if (fd_out < 0) |
| 2390 | return NULL; |
| 2391 | return qemu_chr_open_fd(-1, fd_out); |
| 2392 | } |
| 2393 | |
| 2394 | static CharDriverState *qemu_chr_open_pipe(const char *filename) |
| 2395 | { |
| 2396 | int fd_in, fd_out; |
| 2397 | char filename_in[256], filename_out[256]; |
| 2398 | |
| 2399 | snprintf(filename_in, 256, "%s.in", filename); |
| 2400 | snprintf(filename_out, 256, "%s.out", filename); |
| 2401 | TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); |
| 2402 | TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); |
| 2403 | if (fd_in < 0 || fd_out < 0) { |
| 2404 | if (fd_in >= 0) |
| 2405 | close(fd_in); |
| 2406 | if (fd_out >= 0) |
| 2407 | close(fd_out); |
| 2408 | TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); |
| 2409 | if (fd_in < 0) |
| 2410 | return NULL; |
| 2411 | } |
| 2412 | return qemu_chr_open_fd(fd_in, fd_out); |
| 2413 | } |
| 2414 | |
| 2415 | CharDriverState *qemu_chr_open_fdpair(const char *fd_pair) |
| 2416 | { |
| 2417 | int fd_in, fd_out; |
| 2418 | char *endptr; |
| 2419 | |
| 2420 | /* fd_pair should contain two decimal fd values, separated by |
| 2421 | * a colon. */ |
| 2422 | endptr = NULL; |
| 2423 | fd_in = strtol(fd_pair, &endptr, 10); |
| 2424 | if (endptr == NULL || endptr == fd_pair || *endptr != ':') |
| 2425 | return NULL; |
| 2426 | endptr++; // skip colon |
| 2427 | fd_pair = endptr; |
| 2428 | endptr = NULL; |
| 2429 | fd_out = strtol(fd_pair, &endptr, 10); |
| 2430 | if (endptr == NULL || endptr == fd_pair || *endptr != '\0') |
| 2431 | return NULL; |
| 2432 | |
| 2433 | return qemu_chr_open_fd(fd_in, fd_out); |
| 2434 | } |
| 2435 | |
| 2436 | |
| 2437 | /* for STDIO, we handle the case where several clients use it |
| 2438 | (nographic mode) */ |
| 2439 | |
| 2440 | #define TERM_FIFO_MAX_SIZE 1 |
| 2441 | |
| 2442 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; |
| 2443 | static int term_fifo_size; |
| 2444 | |
| 2445 | static int stdio_read_poll(void *opaque) |
| 2446 | { |
| 2447 | CharDriverState *chr = opaque; |
| 2448 | |
| 2449 | /* try to flush the queue if needed */ |
| 2450 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { |
| 2451 | qemu_chr_read(chr, term_fifo, 1); |
| 2452 | term_fifo_size = 0; |
| 2453 | } |
| 2454 | /* see if we can absorb more chars */ |
| 2455 | if (term_fifo_size == 0) |
| 2456 | return 1; |
| 2457 | else |
| 2458 | return 0; |
| 2459 | } |
| 2460 | |
| 2461 | static void stdio_read(void *opaque) |
| 2462 | { |
| 2463 | int size; |
| 2464 | uint8_t buf[1]; |
| 2465 | CharDriverState *chr = opaque; |
| 2466 | |
| 2467 | size = read(0, buf, 1); |
| 2468 | if (size == 0) { |
| 2469 | /* stdin has been closed. Remove it from the active list. */ |
| 2470 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
| 2471 | return; |
| 2472 | } |
| 2473 | if (size > 0) { |
| 2474 | if (qemu_chr_can_read(chr) > 0) { |
| 2475 | qemu_chr_read(chr, buf, 1); |
| 2476 | } else if (term_fifo_size == 0) { |
| 2477 | term_fifo[term_fifo_size++] = buf[0]; |
| 2478 | } |
| 2479 | } |
| 2480 | } |
| 2481 | |
| 2482 | /* init terminal so that we can grab keys */ |
| 2483 | static struct termios oldtty; |
| 2484 | static int old_fd0_flags; |
| 2485 | static int term_atexit_done; |
| 2486 | |
| 2487 | static void term_exit(void) |
| 2488 | { |
| 2489 | tcsetattr (0, TCSANOW, &oldtty); |
| 2490 | fcntl(0, F_SETFL, old_fd0_flags); |
| 2491 | } |
| 2492 | |
| 2493 | static void term_init(void) |
| 2494 | { |
| 2495 | struct termios tty; |
| 2496 | |
| 2497 | tcgetattr (0, &tty); |
| 2498 | oldtty = tty; |
| 2499 | old_fd0_flags = fcntl(0, F_GETFL); |
| 2500 | |
| 2501 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| 2502 | |INLCR|IGNCR|ICRNL|IXON); |
| 2503 | tty.c_oflag |= OPOST; |
| 2504 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
| 2505 | /* if graphical mode, we allow Ctrl-C handling */ |
| 2506 | if (nographic) |
| 2507 | tty.c_lflag &= ~ISIG; |
| 2508 | tty.c_cflag &= ~(CSIZE|PARENB); |
| 2509 | tty.c_cflag |= CS8; |
| 2510 | tty.c_cc[VMIN] = 1; |
| 2511 | tty.c_cc[VTIME] = 0; |
| 2512 | |
| 2513 | tcsetattr (0, TCSANOW, &tty); |
| 2514 | |
| 2515 | if (!term_atexit_done++) |
| 2516 | atexit(term_exit); |
| 2517 | |
| 2518 | fcntl(0, F_SETFL, O_NONBLOCK); |
| 2519 | } |
| 2520 | |
| 2521 | static void qemu_chr_close_stdio(struct CharDriverState *chr) |
| 2522 | { |
| 2523 | term_exit(); |
| 2524 | stdio_nb_clients--; |
| 2525 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
| 2526 | fd_chr_close(chr); |
| 2527 | } |
| 2528 | |
| 2529 | static CharDriverState *qemu_chr_open_stdio(void) |
| 2530 | { |
| 2531 | CharDriverState *chr; |
| 2532 | |
| 2533 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) |
| 2534 | return NULL; |
| 2535 | chr = qemu_chr_open_fd(0, 1); |
| 2536 | chr->chr_close = qemu_chr_close_stdio; |
| 2537 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
| 2538 | stdio_nb_clients++; |
| 2539 | term_init(); |
| 2540 | |
| 2541 | return chr; |
| 2542 | } |
| 2543 | |
| 2544 | #ifdef __sun__ |
| 2545 | /* Once Solaris has openpty(), this is going to be removed. */ |
| 2546 | int openpty(int *amaster, int *aslave, char *name, |
| 2547 | struct termios *termp, struct winsize *winp) |
| 2548 | { |
| 2549 | const char *slave; |
| 2550 | int mfd = -1, sfd = -1; |
| 2551 | |
| 2552 | *amaster = *aslave = -1; |
| 2553 | |
| 2554 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); |
| 2555 | if (mfd < 0) |
| 2556 | goto err; |
| 2557 | |
| 2558 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) |
| 2559 | goto err; |
| 2560 | |
| 2561 | if ((slave = ptsname(mfd)) == NULL) |
| 2562 | goto err; |
| 2563 | |
| 2564 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) |
| 2565 | goto err; |
| 2566 | |
| 2567 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || |
| 2568 | (termp != NULL && tcgetattr(sfd, termp) < 0)) |
| 2569 | goto err; |
| 2570 | |
| 2571 | if (amaster) |
| 2572 | *amaster = mfd; |
| 2573 | if (aslave) |
| 2574 | *aslave = sfd; |
| 2575 | if (winp) |
| 2576 | ioctl(sfd, TIOCSWINSZ, winp); |
| 2577 | |
| 2578 | return 0; |
| 2579 | |
| 2580 | err: |
| 2581 | if (sfd != -1) |
| 2582 | close(sfd); |
| 2583 | close(mfd); |
| 2584 | return -1; |
| 2585 | } |
| 2586 | |
| 2587 | void cfmakeraw (struct termios *termios_p) |
| 2588 | { |
| 2589 | termios_p->c_iflag &= |
| 2590 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
| 2591 | termios_p->c_oflag &= ~OPOST; |
| 2592 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
| 2593 | termios_p->c_cflag &= ~(CSIZE|PARENB); |
| 2594 | termios_p->c_cflag |= CS8; |
| 2595 | |
| 2596 | termios_p->c_cc[VMIN] = 0; |
| 2597 | termios_p->c_cc[VTIME] = 0; |
| 2598 | } |
| 2599 | #endif /* __sun__ */ |
| 2600 | |
| 2601 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
| 2602 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) |
| 2603 | |
| 2604 | typedef struct { |
| 2605 | int fd; |
| 2606 | int connected; |
| 2607 | int polling; |
| 2608 | int read_bytes; |
| 2609 | QEMUTimer *timer; |
| 2610 | } PtyCharDriver; |
| 2611 | |
| 2612 | static void pty_chr_update_read_handler(CharDriverState *chr); |
| 2613 | static void pty_chr_state(CharDriverState *chr, int connected); |
| 2614 | |
| 2615 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 2616 | { |
| 2617 | PtyCharDriver *s = chr->opaque; |
| 2618 | |
| 2619 | if (!s->connected) { |
| 2620 | /* guest sends data, check for (re-)connect */ |
| 2621 | pty_chr_update_read_handler(chr); |
| 2622 | return 0; |
| 2623 | } |
| 2624 | return unix_write(s->fd, buf, len); |
| 2625 | } |
| 2626 | |
| 2627 | static int pty_chr_read_poll(void *opaque) |
| 2628 | { |
| 2629 | CharDriverState *chr = opaque; |
| 2630 | PtyCharDriver *s = chr->opaque; |
| 2631 | |
| 2632 | s->read_bytes = qemu_chr_can_read(chr); |
| 2633 | return s->read_bytes; |
| 2634 | } |
| 2635 | |
| 2636 | static void pty_chr_read(void *opaque) |
| 2637 | { |
| 2638 | CharDriverState *chr = opaque; |
| 2639 | PtyCharDriver *s = chr->opaque; |
| 2640 | int size, len; |
| 2641 | uint8_t buf[1024]; |
| 2642 | |
| 2643 | len = sizeof(buf); |
| 2644 | if (len > s->read_bytes) |
| 2645 | len = s->read_bytes; |
| 2646 | if (len == 0) |
| 2647 | return; |
| 2648 | size = read(s->fd, buf, len); |
| 2649 | if ((size == -1 && errno == EIO) || |
| 2650 | (size == 0)) { |
| 2651 | pty_chr_state(chr, 0); |
| 2652 | return; |
| 2653 | } |
| 2654 | if (size > 0) { |
| 2655 | pty_chr_state(chr, 1); |
| 2656 | qemu_chr_read(chr, buf, size); |
| 2657 | } |
| 2658 | } |
| 2659 | |
| 2660 | static void pty_chr_update_read_handler(CharDriverState *chr) |
| 2661 | { |
| 2662 | PtyCharDriver *s = chr->opaque; |
| 2663 | |
| 2664 | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, |
| 2665 | pty_chr_read, NULL, chr); |
| 2666 | s->polling = 1; |
| 2667 | /* |
| 2668 | * Short timeout here: just need wait long enougth that qemu makes |
| 2669 | * it through the poll loop once. When reconnected we want a |
| 2670 | * short timeout so we notice it almost instantly. Otherwise |
| 2671 | * read() gives us -EIO instantly, making pty_chr_state() reset the |
| 2672 | * timeout to the normal (much longer) poll interval before the |
| 2673 | * timer triggers. |
| 2674 | */ |
| 2675 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10); |
| 2676 | } |
| 2677 | |
| 2678 | static void pty_chr_state(CharDriverState *chr, int connected) |
| 2679 | { |
| 2680 | PtyCharDriver *s = chr->opaque; |
| 2681 | |
| 2682 | if (!connected) { |
| 2683 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
| 2684 | s->connected = 0; |
| 2685 | s->polling = 0; |
| 2686 | /* (re-)connect poll interval for idle guests: once per second. |
| 2687 | * We check more frequently in case the guests sends data to |
| 2688 | * the virtual device linked to our pty. */ |
| 2689 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000); |
| 2690 | } else { |
| 2691 | if (!s->connected) |
| 2692 | qemu_chr_reset(chr); |
| 2693 | s->connected = 1; |
| 2694 | } |
| 2695 | } |
| 2696 | |
| 2697 | static void pty_chr_timer(void *opaque) |
| 2698 | { |
| 2699 | struct CharDriverState *chr = opaque; |
| 2700 | PtyCharDriver *s = chr->opaque; |
| 2701 | |
| 2702 | if (s->connected) |
| 2703 | return; |
| 2704 | if (s->polling) { |
| 2705 | /* If we arrive here without polling being cleared due |
| 2706 | * read returning -EIO, then we are (re-)connected */ |
| 2707 | pty_chr_state(chr, 1); |
| 2708 | return; |
| 2709 | } |
| 2710 | |
| 2711 | /* Next poll ... */ |
| 2712 | pty_chr_update_read_handler(chr); |
| 2713 | } |
| 2714 | |
| 2715 | static void pty_chr_close(struct CharDriverState *chr) |
| 2716 | { |
| 2717 | PtyCharDriver *s = chr->opaque; |
| 2718 | |
| 2719 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
| 2720 | close(s->fd); |
| 2721 | qemu_free(s); |
| 2722 | } |
| 2723 | |
| 2724 | static CharDriverState *qemu_chr_open_pty(void) |
| 2725 | { |
| 2726 | CharDriverState *chr; |
| 2727 | PtyCharDriver *s; |
| 2728 | struct termios tty; |
| 2729 | int slave_fd; |
| 2730 | #if defined(__OpenBSD__) |
| 2731 | char pty_name[PATH_MAX]; |
| 2732 | #define q_ptsname(x) pty_name |
| 2733 | #else |
| 2734 | char *pty_name = NULL; |
| 2735 | #define q_ptsname(x) ptsname(x) |
| 2736 | #endif |
| 2737 | |
| 2738 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 2739 | if (!chr) |
| 2740 | return NULL; |
| 2741 | s = qemu_mallocz(sizeof(PtyCharDriver)); |
| 2742 | if (!s) { |
| 2743 | qemu_free(chr); |
| 2744 | return NULL; |
| 2745 | } |
| 2746 | |
| 2747 | if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
| 2748 | return NULL; |
| 2749 | } |
| 2750 | |
| 2751 | /* Set raw attributes on the pty. */ |
| 2752 | cfmakeraw(&tty); |
| 2753 | tcsetattr(slave_fd, TCSAFLUSH, &tty); |
| 2754 | close(slave_fd); |
| 2755 | |
| 2756 | fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); |
| 2757 | |
| 2758 | chr->opaque = s; |
| 2759 | chr->chr_write = pty_chr_write; |
| 2760 | chr->chr_update_read_handler = pty_chr_update_read_handler; |
| 2761 | chr->chr_close = pty_chr_close; |
| 2762 | |
| 2763 | s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); |
| 2764 | |
| 2765 | return chr; |
| 2766 | } |
| 2767 | #endif /* __linux__ || __sun__ || __xxxBSD__ */ |
| 2768 | |
| 2769 | static void tty_serial_init(int fd, int speed, |
| 2770 | int parity, int data_bits, int stop_bits) |
| 2771 | { |
| 2772 | struct termios tty; |
| 2773 | speed_t spd; |
| 2774 | |
| 2775 | #if 0 |
| 2776 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", |
| 2777 | speed, parity, data_bits, stop_bits); |
| 2778 | #endif |
| 2779 | tcgetattr (fd, &tty); |
| 2780 | |
| 2781 | #define MARGIN 1.1 |
| 2782 | if (speed <= 50 * MARGIN) |
| 2783 | spd = B50; |
| 2784 | else if (speed <= 75 * MARGIN) |
| 2785 | spd = B75; |
| 2786 | else if (speed <= 300 * MARGIN) |
| 2787 | spd = B300; |
| 2788 | else if (speed <= 600 * MARGIN) |
| 2789 | spd = B600; |
| 2790 | else if (speed <= 1200 * MARGIN) |
| 2791 | spd = B1200; |
| 2792 | else if (speed <= 2400 * MARGIN) |
| 2793 | spd = B2400; |
| 2794 | else if (speed <= 4800 * MARGIN) |
| 2795 | spd = B4800; |
| 2796 | else if (speed <= 9600 * MARGIN) |
| 2797 | spd = B9600; |
| 2798 | else if (speed <= 19200 * MARGIN) |
| 2799 | spd = B19200; |
| 2800 | else if (speed <= 38400 * MARGIN) |
| 2801 | spd = B38400; |
| 2802 | else if (speed <= 57600 * MARGIN) |
| 2803 | spd = B57600; |
| 2804 | else if (speed <= 115200 * MARGIN) |
| 2805 | spd = B115200; |
| 2806 | else |
| 2807 | spd = B115200; |
| 2808 | |
| 2809 | cfsetispeed(&tty, spd); |
| 2810 | cfsetospeed(&tty, spd); |
| 2811 | |
| 2812 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| 2813 | |INLCR|IGNCR|ICRNL|IXON); |
| 2814 | tty.c_oflag |= OPOST; |
| 2815 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
| 2816 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
| 2817 | switch(data_bits) { |
| 2818 | default: |
| 2819 | case 8: |
| 2820 | tty.c_cflag |= CS8; |
| 2821 | break; |
| 2822 | case 7: |
| 2823 | tty.c_cflag |= CS7; |
| 2824 | break; |
| 2825 | case 6: |
| 2826 | tty.c_cflag |= CS6; |
| 2827 | break; |
| 2828 | case 5: |
| 2829 | tty.c_cflag |= CS5; |
| 2830 | break; |
| 2831 | } |
| 2832 | switch(parity) { |
| 2833 | default: |
| 2834 | case 'N': |
| 2835 | break; |
| 2836 | case 'E': |
| 2837 | tty.c_cflag |= PARENB; |
| 2838 | break; |
| 2839 | case 'O': |
| 2840 | tty.c_cflag |= PARENB | PARODD; |
| 2841 | break; |
| 2842 | } |
| 2843 | if (stop_bits == 2) |
| 2844 | tty.c_cflag |= CSTOPB; |
| 2845 | |
| 2846 | tcsetattr (fd, TCSANOW, &tty); |
| 2847 | } |
| 2848 | |
| 2849 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
| 2850 | { |
| 2851 | FDCharDriver *s = chr->opaque; |
| 2852 | |
| 2853 | switch(cmd) { |
| 2854 | case CHR_IOCTL_SERIAL_SET_PARAMS: |
| 2855 | { |
| 2856 | QEMUSerialSetParams *ssp = arg; |
| 2857 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
| 2858 | ssp->data_bits, ssp->stop_bits); |
| 2859 | } |
| 2860 | break; |
| 2861 | case CHR_IOCTL_SERIAL_SET_BREAK: |
| 2862 | { |
| 2863 | int enable = *(int *)arg; |
| 2864 | if (enable) |
| 2865 | tcsendbreak(s->fd_in, 1); |
| 2866 | } |
| 2867 | break; |
| 2868 | case CHR_IOCTL_SERIAL_GET_TIOCM: |
| 2869 | { |
| 2870 | int sarg = 0; |
| 2871 | int *targ = (int *)arg; |
| 2872 | ioctl(s->fd_in, TIOCMGET, &sarg); |
| 2873 | *targ = 0; |
| 2874 | if (sarg | TIOCM_CTS) |
| 2875 | *targ |= CHR_TIOCM_CTS; |
| 2876 | if (sarg | TIOCM_CAR) |
| 2877 | *targ |= CHR_TIOCM_CAR; |
| 2878 | if (sarg | TIOCM_DSR) |
| 2879 | *targ |= CHR_TIOCM_DSR; |
| 2880 | if (sarg | TIOCM_RI) |
| 2881 | *targ |= CHR_TIOCM_RI; |
| 2882 | if (sarg | TIOCM_DTR) |
| 2883 | *targ |= CHR_TIOCM_DTR; |
| 2884 | if (sarg | TIOCM_RTS) |
| 2885 | *targ |= CHR_TIOCM_RTS; |
| 2886 | } |
| 2887 | break; |
| 2888 | case CHR_IOCTL_SERIAL_SET_TIOCM: |
| 2889 | { |
| 2890 | int sarg = *(int *)arg; |
| 2891 | int targ = 0; |
| 2892 | if (sarg | CHR_TIOCM_DTR) |
| 2893 | targ |= TIOCM_DTR; |
| 2894 | if (sarg | CHR_TIOCM_RTS) |
| 2895 | targ |= TIOCM_RTS; |
| 2896 | ioctl(s->fd_in, TIOCMSET, &targ); |
| 2897 | } |
| 2898 | break; |
| 2899 | default: |
| 2900 | return -ENOTSUP; |
| 2901 | } |
| 2902 | return 0; |
| 2903 | } |
| 2904 | |
| 2905 | static CharDriverState *qemu_chr_open_tty(const char *filename) |
| 2906 | { |
| 2907 | CharDriverState *chr; |
| 2908 | int fd; |
| 2909 | |
| 2910 | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
| 2911 | tty_serial_init(fd, 115200, 'N', 8, 1); |
| 2912 | chr = qemu_chr_open_fd(fd, fd); |
| 2913 | if (!chr) { |
| 2914 | close(fd); |
| 2915 | return NULL; |
| 2916 | } |
| 2917 | chr->chr_ioctl = tty_serial_ioctl; |
| 2918 | qemu_chr_reset(chr); |
| 2919 | return chr; |
| 2920 | } |
| 2921 | |
| 2922 | #if defined(__linux__) |
| 2923 | typedef struct { |
| 2924 | int fd; |
| 2925 | int mode; |
| 2926 | } ParallelCharDriver; |
| 2927 | |
| 2928 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
| 2929 | { |
| 2930 | if (s->mode != mode) { |
| 2931 | int m = mode; |
| 2932 | if (ioctl(s->fd, PPSETMODE, &m) < 0) |
| 2933 | return 0; |
| 2934 | s->mode = mode; |
| 2935 | } |
| 2936 | return 1; |
| 2937 | } |
| 2938 | |
| 2939 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
| 2940 | { |
| 2941 | ParallelCharDriver *drv = chr->opaque; |
| 2942 | int fd = drv->fd; |
| 2943 | uint8_t b; |
| 2944 | |
| 2945 | switch(cmd) { |
| 2946 | case CHR_IOCTL_PP_READ_DATA: |
| 2947 | if (ioctl(fd, PPRDATA, &b) < 0) |
| 2948 | return -ENOTSUP; |
| 2949 | *(uint8_t *)arg = b; |
| 2950 | break; |
| 2951 | case CHR_IOCTL_PP_WRITE_DATA: |
| 2952 | b = *(uint8_t *)arg; |
| 2953 | if (ioctl(fd, PPWDATA, &b) < 0) |
| 2954 | return -ENOTSUP; |
| 2955 | break; |
| 2956 | case CHR_IOCTL_PP_READ_CONTROL: |
| 2957 | if (ioctl(fd, PPRCONTROL, &b) < 0) |
| 2958 | return -ENOTSUP; |
| 2959 | /* Linux gives only the lowest bits, and no way to know data |
| 2960 | direction! For better compatibility set the fixed upper |
| 2961 | bits. */ |
| 2962 | *(uint8_t *)arg = b | 0xc0; |
| 2963 | break; |
| 2964 | case CHR_IOCTL_PP_WRITE_CONTROL: |
| 2965 | b = *(uint8_t *)arg; |
| 2966 | if (ioctl(fd, PPWCONTROL, &b) < 0) |
| 2967 | return -ENOTSUP; |
| 2968 | break; |
| 2969 | case CHR_IOCTL_PP_READ_STATUS: |
| 2970 | if (ioctl(fd, PPRSTATUS, &b) < 0) |
| 2971 | return -ENOTSUP; |
| 2972 | *(uint8_t *)arg = b; |
| 2973 | break; |
| 2974 | case CHR_IOCTL_PP_DATA_DIR: |
| 2975 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) |
| 2976 | return -ENOTSUP; |
| 2977 | break; |
| 2978 | case CHR_IOCTL_PP_EPP_READ_ADDR: |
| 2979 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { |
| 2980 | struct ParallelIOArg *parg = arg; |
| 2981 | int n = read(fd, parg->buffer, parg->count); |
| 2982 | if (n != parg->count) { |
| 2983 | return -EIO; |
| 2984 | } |
| 2985 | } |
| 2986 | break; |
| 2987 | case CHR_IOCTL_PP_EPP_READ: |
| 2988 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { |
| 2989 | struct ParallelIOArg *parg = arg; |
| 2990 | int n = read(fd, parg->buffer, parg->count); |
| 2991 | if (n != parg->count) { |
| 2992 | return -EIO; |
| 2993 | } |
| 2994 | } |
| 2995 | break; |
| 2996 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: |
| 2997 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { |
| 2998 | struct ParallelIOArg *parg = arg; |
| 2999 | int n = write(fd, parg->buffer, parg->count); |
| 3000 | if (n != parg->count) { |
| 3001 | return -EIO; |
| 3002 | } |
| 3003 | } |
| 3004 | break; |
| 3005 | case CHR_IOCTL_PP_EPP_WRITE: |
| 3006 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { |
| 3007 | struct ParallelIOArg *parg = arg; |
| 3008 | int n = write(fd, parg->buffer, parg->count); |
| 3009 | if (n != parg->count) { |
| 3010 | return -EIO; |
| 3011 | } |
| 3012 | } |
| 3013 | break; |
| 3014 | default: |
| 3015 | return -ENOTSUP; |
| 3016 | } |
| 3017 | return 0; |
| 3018 | } |
| 3019 | |
| 3020 | static void pp_close(CharDriverState *chr) |
| 3021 | { |
| 3022 | ParallelCharDriver *drv = chr->opaque; |
| 3023 | int fd = drv->fd; |
| 3024 | |
| 3025 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
| 3026 | ioctl(fd, PPRELEASE); |
| 3027 | close(fd); |
| 3028 | qemu_free(drv); |
| 3029 | } |
| 3030 | |
| 3031 | static CharDriverState *qemu_chr_open_pp(const char *filename) |
| 3032 | { |
| 3033 | CharDriverState *chr; |
| 3034 | ParallelCharDriver *drv; |
| 3035 | int fd; |
| 3036 | |
| 3037 | TFR(fd = open(filename, O_RDWR)); |
| 3038 | if (fd < 0) |
| 3039 | return NULL; |
| 3040 | |
| 3041 | if (ioctl(fd, PPCLAIM) < 0) { |
| 3042 | close(fd); |
| 3043 | return NULL; |
| 3044 | } |
| 3045 | |
| 3046 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); |
| 3047 | if (!drv) { |
| 3048 | close(fd); |
| 3049 | return NULL; |
| 3050 | } |
| 3051 | drv->fd = fd; |
| 3052 | drv->mode = IEEE1284_MODE_COMPAT; |
| 3053 | |
| 3054 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 3055 | if (!chr) { |
| 3056 | qemu_free(drv); |
| 3057 | close(fd); |
| 3058 | return NULL; |
| 3059 | } |
| 3060 | chr->chr_write = null_chr_write; |
| 3061 | chr->chr_ioctl = pp_ioctl; |
| 3062 | chr->chr_close = pp_close; |
| 3063 | chr->opaque = drv; |
| 3064 | |
| 3065 | qemu_chr_reset(chr); |
| 3066 | |
| 3067 | return chr; |
| 3068 | } |
| 3069 | #endif /* __linux__ */ |
| 3070 | |
| 3071 | #else /* _WIN32 */ |
| 3072 | |
| 3073 | typedef struct { |
| 3074 | int max_size; |
| 3075 | HANDLE hcom, hrecv, hsend; |
| 3076 | OVERLAPPED orecv, osend; |
| 3077 | BOOL fpipe; |
| 3078 | DWORD len; |
| 3079 | } WinCharState; |
| 3080 | |
| 3081 | #define NSENDBUF 2048 |
| 3082 | #define NRECVBUF 2048 |
| 3083 | #define MAXCONNECT 1 |
| 3084 | #define NTIMEOUT 5000 |
| 3085 | |
| 3086 | static int win_chr_poll(void *opaque); |
| 3087 | static int win_chr_pipe_poll(void *opaque); |
| 3088 | |
| 3089 | static void win_chr_close(CharDriverState *chr) |
| 3090 | { |
| 3091 | WinCharState *s = chr->opaque; |
| 3092 | |
| 3093 | if (s->hsend) { |
| 3094 | CloseHandle(s->hsend); |
| 3095 | s->hsend = NULL; |
| 3096 | } |
| 3097 | if (s->hrecv) { |
| 3098 | CloseHandle(s->hrecv); |
| 3099 | s->hrecv = NULL; |
| 3100 | } |
| 3101 | if (s->hcom) { |
| 3102 | CloseHandle(s->hcom); |
| 3103 | s->hcom = NULL; |
| 3104 | } |
| 3105 | if (s->fpipe) |
| 3106 | qemu_del_polling_cb(win_chr_pipe_poll, chr); |
| 3107 | else |
| 3108 | qemu_del_polling_cb(win_chr_poll, chr); |
| 3109 | } |
| 3110 | |
| 3111 | static int win_chr_init(CharDriverState *chr, const char *filename) |
| 3112 | { |
| 3113 | WinCharState *s = chr->opaque; |
| 3114 | COMMCONFIG comcfg; |
| 3115 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
| 3116 | COMSTAT comstat; |
| 3117 | DWORD size; |
| 3118 | DWORD err; |
| 3119 | |
| 3120 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 3121 | if (!s->hsend) { |
| 3122 | fprintf(stderr, "Failed CreateEvent\n"); |
| 3123 | goto fail; |
| 3124 | } |
| 3125 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 3126 | if (!s->hrecv) { |
| 3127 | fprintf(stderr, "Failed CreateEvent\n"); |
| 3128 | goto fail; |
| 3129 | } |
| 3130 | |
| 3131 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
| 3132 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); |
| 3133 | if (s->hcom == INVALID_HANDLE_VALUE) { |
| 3134 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); |
| 3135 | s->hcom = NULL; |
| 3136 | goto fail; |
| 3137 | } |
| 3138 | |
| 3139 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { |
| 3140 | fprintf(stderr, "Failed SetupComm\n"); |
| 3141 | goto fail; |
| 3142 | } |
| 3143 | |
| 3144 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); |
| 3145 | size = sizeof(COMMCONFIG); |
| 3146 | GetDefaultCommConfig(filename, &comcfg, &size); |
| 3147 | comcfg.dcb.DCBlength = sizeof(DCB); |
| 3148 | CommConfigDialog(filename, NULL, &comcfg); |
| 3149 | |
| 3150 | if (!SetCommState(s->hcom, &comcfg.dcb)) { |
| 3151 | fprintf(stderr, "Failed SetCommState\n"); |
| 3152 | goto fail; |
| 3153 | } |
| 3154 | |
| 3155 | if (!SetCommMask(s->hcom, EV_ERR)) { |
| 3156 | fprintf(stderr, "Failed SetCommMask\n"); |
| 3157 | goto fail; |
| 3158 | } |
| 3159 | |
| 3160 | cto.ReadIntervalTimeout = MAXDWORD; |
| 3161 | if (!SetCommTimeouts(s->hcom, &cto)) { |
| 3162 | fprintf(stderr, "Failed SetCommTimeouts\n"); |
| 3163 | goto fail; |
| 3164 | } |
| 3165 | |
| 3166 | if (!ClearCommError(s->hcom, &err, &comstat)) { |
| 3167 | fprintf(stderr, "Failed ClearCommError\n"); |
| 3168 | goto fail; |
| 3169 | } |
| 3170 | qemu_add_polling_cb(win_chr_poll, chr); |
| 3171 | return 0; |
| 3172 | |
| 3173 | fail: |
| 3174 | win_chr_close(chr); |
| 3175 | return -1; |
| 3176 | } |
| 3177 | |
| 3178 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
| 3179 | { |
| 3180 | WinCharState *s = chr->opaque; |
| 3181 | DWORD len, ret, size, err; |
| 3182 | |
| 3183 | len = len1; |
| 3184 | ZeroMemory(&s->osend, sizeof(s->osend)); |
| 3185 | s->osend.hEvent = s->hsend; |
| 3186 | while (len > 0) { |
| 3187 | if (s->hsend) |
| 3188 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
| 3189 | else |
| 3190 | ret = WriteFile(s->hcom, buf, len, &size, NULL); |
| 3191 | if (!ret) { |
| 3192 | err = GetLastError(); |
| 3193 | if (err == ERROR_IO_PENDING) { |
| 3194 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
| 3195 | if (ret) { |
| 3196 | buf += size; |
| 3197 | len -= size; |
| 3198 | } else { |
| 3199 | break; |
| 3200 | } |
| 3201 | } else { |
| 3202 | break; |
| 3203 | } |
| 3204 | } else { |
| 3205 | buf += size; |
| 3206 | len -= size; |
| 3207 | } |
| 3208 | } |
| 3209 | return len1 - len; |
| 3210 | } |
| 3211 | |
| 3212 | static int win_chr_read_poll(CharDriverState *chr) |
| 3213 | { |
| 3214 | WinCharState *s = chr->opaque; |
| 3215 | |
| 3216 | s->max_size = qemu_chr_can_read(chr); |
| 3217 | return s->max_size; |
| 3218 | } |
| 3219 | |
| 3220 | static void win_chr_readfile(CharDriverState *chr) |
| 3221 | { |
| 3222 | WinCharState *s = chr->opaque; |
| 3223 | int ret, err; |
| 3224 | uint8_t buf[1024]; |
| 3225 | DWORD size; |
| 3226 | |
| 3227 | ZeroMemory(&s->orecv, sizeof(s->orecv)); |
| 3228 | s->orecv.hEvent = s->hrecv; |
| 3229 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
| 3230 | if (!ret) { |
| 3231 | err = GetLastError(); |
| 3232 | if (err == ERROR_IO_PENDING) { |
| 3233 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
| 3234 | } |
| 3235 | } |
| 3236 | |
| 3237 | if (size > 0) { |
| 3238 | qemu_chr_read(chr, buf, size); |
| 3239 | } |
| 3240 | } |
| 3241 | |
| 3242 | static void win_chr_read(CharDriverState *chr) |
| 3243 | { |
| 3244 | WinCharState *s = chr->opaque; |
| 3245 | |
| 3246 | if (s->len > s->max_size) |
| 3247 | s->len = s->max_size; |
| 3248 | if (s->len == 0) |
| 3249 | return; |
| 3250 | |
| 3251 | win_chr_readfile(chr); |
| 3252 | } |
| 3253 | |
| 3254 | static int win_chr_poll(void *opaque) |
| 3255 | { |
| 3256 | CharDriverState *chr = opaque; |
| 3257 | WinCharState *s = chr->opaque; |
| 3258 | COMSTAT status; |
| 3259 | DWORD comerr; |
| 3260 | |
| 3261 | ClearCommError(s->hcom, &comerr, &status); |
| 3262 | if (status.cbInQue > 0) { |
| 3263 | s->len = status.cbInQue; |
| 3264 | win_chr_read_poll(chr); |
| 3265 | win_chr_read(chr); |
| 3266 | return 1; |
| 3267 | } |
| 3268 | return 0; |
| 3269 | } |
| 3270 | |
| 3271 | static CharDriverState *qemu_chr_open_win(const char *filename) |
| 3272 | { |
| 3273 | CharDriverState *chr; |
| 3274 | WinCharState *s; |
| 3275 | |
| 3276 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 3277 | if (!chr) |
| 3278 | return NULL; |
| 3279 | s = qemu_mallocz(sizeof(WinCharState)); |
| 3280 | if (!s) { |
| 3281 | free(chr); |
| 3282 | return NULL; |
| 3283 | } |
| 3284 | chr->opaque = s; |
| 3285 | chr->chr_write = win_chr_write; |
| 3286 | chr->chr_close = win_chr_close; |
| 3287 | |
| 3288 | if (win_chr_init(chr, filename) < 0) { |
| 3289 | free(s); |
| 3290 | free(chr); |
| 3291 | return NULL; |
| 3292 | } |
| 3293 | qemu_chr_reset(chr); |
| 3294 | return chr; |
| 3295 | } |
| 3296 | |
| 3297 | static int win_chr_pipe_poll(void *opaque) |
| 3298 | { |
| 3299 | CharDriverState *chr = opaque; |
| 3300 | WinCharState *s = chr->opaque; |
| 3301 | DWORD size; |
| 3302 | |
| 3303 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
| 3304 | if (size > 0) { |
| 3305 | s->len = size; |
| 3306 | win_chr_read_poll(chr); |
| 3307 | win_chr_read(chr); |
| 3308 | return 1; |
| 3309 | } |
| 3310 | return 0; |
| 3311 | } |
| 3312 | |
| 3313 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
| 3314 | { |
| 3315 | WinCharState *s = chr->opaque; |
| 3316 | OVERLAPPED ov; |
| 3317 | int ret; |
| 3318 | DWORD size; |
| 3319 | char openname[256]; |
| 3320 | |
| 3321 | s->fpipe = TRUE; |
| 3322 | |
| 3323 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 3324 | if (!s->hsend) { |
| 3325 | fprintf(stderr, "Failed CreateEvent\n"); |
| 3326 | goto fail; |
| 3327 | } |
| 3328 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 3329 | if (!s->hrecv) { |
| 3330 | fprintf(stderr, "Failed CreateEvent\n"); |
| 3331 | goto fail; |
| 3332 | } |
| 3333 | |
| 3334 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
| 3335 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
| 3336 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
| 3337 | PIPE_WAIT, |
| 3338 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); |
| 3339 | if (s->hcom == INVALID_HANDLE_VALUE) { |
| 3340 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); |
| 3341 | s->hcom = NULL; |
| 3342 | goto fail; |
| 3343 | } |
| 3344 | |
| 3345 | ZeroMemory(&ov, sizeof(ov)); |
| 3346 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 3347 | ret = ConnectNamedPipe(s->hcom, &ov); |
| 3348 | if (ret) { |
| 3349 | fprintf(stderr, "Failed ConnectNamedPipe\n"); |
| 3350 | goto fail; |
| 3351 | } |
| 3352 | |
| 3353 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
| 3354 | if (!ret) { |
| 3355 | fprintf(stderr, "Failed GetOverlappedResult\n"); |
| 3356 | if (ov.hEvent) { |
| 3357 | CloseHandle(ov.hEvent); |
| 3358 | ov.hEvent = NULL; |
| 3359 | } |
| 3360 | goto fail; |
| 3361 | } |
| 3362 | |
| 3363 | if (ov.hEvent) { |
| 3364 | CloseHandle(ov.hEvent); |
| 3365 | ov.hEvent = NULL; |
| 3366 | } |
| 3367 | qemu_add_polling_cb(win_chr_pipe_poll, chr); |
| 3368 | return 0; |
| 3369 | |
| 3370 | fail: |
| 3371 | win_chr_close(chr); |
| 3372 | return -1; |
| 3373 | } |
| 3374 | |
| 3375 | |
| 3376 | static CharDriverState *qemu_chr_open_win_pipe(const char *filename) |
| 3377 | { |
| 3378 | CharDriverState *chr; |
| 3379 | WinCharState *s; |
| 3380 | |
| 3381 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 3382 | if (!chr) |
| 3383 | return NULL; |
| 3384 | s = qemu_mallocz(sizeof(WinCharState)); |
| 3385 | if (!s) { |
| 3386 | free(chr); |
| 3387 | return NULL; |
| 3388 | } |
| 3389 | chr->opaque = s; |
| 3390 | chr->chr_write = win_chr_write; |
| 3391 | chr->chr_close = win_chr_close; |
| 3392 | |
| 3393 | if (win_chr_pipe_init(chr, filename) < 0) { |
| 3394 | free(s); |
| 3395 | free(chr); |
| 3396 | return NULL; |
| 3397 | } |
| 3398 | qemu_chr_reset(chr); |
| 3399 | return chr; |
| 3400 | } |
| 3401 | |
| 3402 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
| 3403 | { |
| 3404 | CharDriverState *chr; |
| 3405 | WinCharState *s; |
| 3406 | |
| 3407 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 3408 | if (!chr) |
| 3409 | return NULL; |
| 3410 | s = qemu_mallocz(sizeof(WinCharState)); |
| 3411 | if (!s) { |
| 3412 | free(chr); |
| 3413 | return NULL; |
| 3414 | } |
| 3415 | s->hcom = fd_out; |
| 3416 | chr->opaque = s; |
| 3417 | chr->chr_write = win_chr_write; |
| 3418 | qemu_chr_reset(chr); |
| 3419 | return chr; |
| 3420 | } |
| 3421 | |
| 3422 | static CharDriverState *qemu_chr_open_win_con(const char *filename) |
| 3423 | { |
| 3424 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); |
| 3425 | } |
| 3426 | |
| 3427 | static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) |
| 3428 | { |
| 3429 | HANDLE fd_out; |
| 3430 | |
| 3431 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
| 3432 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
| 3433 | if (fd_out == INVALID_HANDLE_VALUE) |
| 3434 | return NULL; |
| 3435 | |
| 3436 | return qemu_chr_open_win_file(fd_out); |
| 3437 | } |
| 3438 | #endif /* !_WIN32 */ |
| 3439 | |
| 3440 | /***********************************************************/ |
| 3441 | /* UDP Net console */ |
| 3442 | |
| 3443 | typedef struct { |
| 3444 | int fd; |
| 3445 | SockAddress daddr; |
| 3446 | uint8_t buf[1024]; |
| 3447 | int bufcnt; |
| 3448 | int bufptr; |
| 3449 | int max_size; |
| 3450 | } NetCharDriver; |
| 3451 | |
| 3452 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 3453 | { |
| 3454 | NetCharDriver *s = chr->opaque; |
| 3455 | |
| 3456 | return socket_sendto(s->fd, buf, len, &s->daddr); |
| 3457 | } |
| 3458 | |
| 3459 | static int udp_chr_read_poll(void *opaque) |
| 3460 | { |
| 3461 | CharDriverState *chr = opaque; |
| 3462 | NetCharDriver *s = chr->opaque; |
| 3463 | |
| 3464 | s->max_size = qemu_chr_can_read(chr); |
| 3465 | |
| 3466 | /* If there were any stray characters in the queue process them |
| 3467 | * first |
| 3468 | */ |
| 3469 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
| 3470 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); |
| 3471 | s->bufptr++; |
| 3472 | s->max_size = qemu_chr_can_read(chr); |
| 3473 | } |
| 3474 | return s->max_size; |
| 3475 | } |
| 3476 | |
| 3477 | static void udp_chr_read(void *opaque) |
| 3478 | { |
| 3479 | CharDriverState *chr = opaque; |
| 3480 | NetCharDriver *s = chr->opaque; |
| 3481 | |
| 3482 | if (s->max_size == 0) |
| 3483 | return; |
| 3484 | s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); |
| 3485 | s->bufptr = s->bufcnt; |
| 3486 | if (s->bufcnt <= 0) |
| 3487 | return; |
| 3488 | |
| 3489 | s->bufptr = 0; |
| 3490 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
| 3491 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); |
| 3492 | s->bufptr++; |
| 3493 | s->max_size = qemu_chr_can_read(chr); |
| 3494 | } |
| 3495 | } |
| 3496 | |
| 3497 | static void udp_chr_update_read_handler(CharDriverState *chr) |
| 3498 | { |
| 3499 | NetCharDriver *s = chr->opaque; |
| 3500 | |
| 3501 | if (s->fd >= 0) { |
| 3502 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
| 3503 | udp_chr_read, NULL, chr); |
| 3504 | } |
| 3505 | } |
| 3506 | |
| 3507 | int parse_host_port(SockAddress *saddr, const char *str); |
| 3508 | int parse_host_src_port(SockAddress *haddr, |
| 3509 | SockAddress *saddr, |
| 3510 | const char *str); |
| 3511 | #ifndef _WIN32 |
| 3512 | static int parse_unix_path(SockAddress *uaddr, const char* str); |
| 3513 | #endif |
| 3514 | |
| 3515 | static CharDriverState *qemu_chr_open_udp(const char *def) |
| 3516 | { |
| 3517 | CharDriverState *chr = NULL; |
| 3518 | NetCharDriver *s = NULL; |
| 3519 | int fd = -1; |
| 3520 | SockAddress saddr; |
| 3521 | |
| 3522 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 3523 | if (!chr) |
| 3524 | goto return_err; |
| 3525 | s = qemu_mallocz(sizeof(NetCharDriver)); |
| 3526 | if (!s) |
| 3527 | goto return_err; |
| 3528 | |
| 3529 | fd = socket(PF_INET, SOCK_DGRAM, 0); |
| 3530 | if (fd < 0) { |
| 3531 | perror("socket(PF_INET, SOCK_DGRAM)"); |
| 3532 | goto return_err; |
| 3533 | } |
| 3534 | |
| 3535 | if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { |
| 3536 | printf("Could not parse: %s\n", def); |
| 3537 | goto return_err; |
| 3538 | } |
| 3539 | |
| 3540 | if (socket_bind(fd, &saddr) < 0) |
| 3541 | { |
| 3542 | perror("bind"); |
| 3543 | goto return_err; |
| 3544 | } |
| 3545 | |
| 3546 | s->fd = fd; |
| 3547 | s->bufcnt = 0; |
| 3548 | s->bufptr = 0; |
| 3549 | chr->opaque = s; |
| 3550 | chr->chr_write = udp_chr_write; |
| 3551 | chr->chr_update_read_handler = udp_chr_update_read_handler; |
| 3552 | return chr; |
| 3553 | |
| 3554 | return_err: |
| 3555 | if (chr) |
| 3556 | free(chr); |
| 3557 | if (s) |
| 3558 | free(s); |
| 3559 | if (fd >= 0) |
| 3560 | closesocket(fd); |
| 3561 | return NULL; |
| 3562 | } |
| 3563 | |
| 3564 | /***********************************************************/ |
| 3565 | /* TCP Net console */ |
| 3566 | |
| 3567 | typedef struct { |
| 3568 | int fd, listen_fd; |
| 3569 | int connected; |
| 3570 | int max_size; |
| 3571 | int do_telnetopt; |
| 3572 | int do_nodelay; |
| 3573 | int is_unix; |
| 3574 | } TCPCharDriver; |
| 3575 | |
| 3576 | static void tcp_chr_accept(void *opaque); |
| 3577 | |
| 3578 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 3579 | { |
| 3580 | TCPCharDriver *s = chr->opaque; |
| 3581 | if (s->connected) { |
| 3582 | return send_all(s->fd, buf, len); |
| 3583 | } else { |
| 3584 | /* XXX: indicate an error ? */ |
| 3585 | return len; |
| 3586 | } |
| 3587 | } |
| 3588 | |
| 3589 | static int tcp_chr_read_poll(void *opaque) |
| 3590 | { |
| 3591 | CharDriverState *chr = opaque; |
| 3592 | TCPCharDriver *s = chr->opaque; |
| 3593 | if (!s->connected) |
| 3594 | return 0; |
| 3595 | s->max_size = qemu_chr_can_read(chr); |
| 3596 | return s->max_size; |
| 3597 | } |
| 3598 | |
| 3599 | #define IAC 255 |
| 3600 | #define IAC_BREAK 243 |
| 3601 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
| 3602 | TCPCharDriver *s, |
| 3603 | uint8_t *buf, int *size) |
| 3604 | { |
| 3605 | /* Handle any telnet client's basic IAC options to satisfy char by |
| 3606 | * char mode with no echo. All IAC options will be removed from |
| 3607 | * the buf and the do_telnetopt variable will be used to track the |
| 3608 | * state of the width of the IAC information. |
| 3609 | * |
| 3610 | * IAC commands come in sets of 3 bytes with the exception of the |
| 3611 | * "IAC BREAK" command and the double IAC. |
| 3612 | */ |
| 3613 | |
| 3614 | int i; |
| 3615 | int j = 0; |
| 3616 | |
| 3617 | for (i = 0; i < *size; i++) { |
| 3618 | if (s->do_telnetopt > 1) { |
| 3619 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
| 3620 | /* Double IAC means send an IAC */ |
| 3621 | if (j != i) |
| 3622 | buf[j] = buf[i]; |
| 3623 | j++; |
| 3624 | s->do_telnetopt = 1; |
| 3625 | } else { |
| 3626 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
| 3627 | /* Handle IAC break commands by sending a serial break */ |
| 3628 | qemu_chr_event(chr, CHR_EVENT_BREAK); |
| 3629 | s->do_telnetopt++; |
| 3630 | } |
| 3631 | s->do_telnetopt++; |
| 3632 | } |
| 3633 | if (s->do_telnetopt >= 4) { |
| 3634 | s->do_telnetopt = 1; |
| 3635 | } |
| 3636 | } else { |
| 3637 | if ((unsigned char)buf[i] == IAC) { |
| 3638 | s->do_telnetopt = 2; |
| 3639 | } else { |
| 3640 | if (j != i) |
| 3641 | buf[j] = buf[i]; |
| 3642 | j++; |
| 3643 | } |
| 3644 | } |
| 3645 | } |
| 3646 | *size = j; |
| 3647 | } |
| 3648 | |
| 3649 | static void tcp_chr_read(void *opaque) |
| 3650 | { |
| 3651 | CharDriverState *chr = opaque; |
| 3652 | TCPCharDriver *s = chr->opaque; |
| 3653 | uint8_t buf[1024]; |
| 3654 | int len, size; |
| 3655 | |
| 3656 | if (!s->connected || s->max_size <= 0) |
| 3657 | return; |
| 3658 | len = sizeof(buf); |
| 3659 | if (len > s->max_size) |
| 3660 | len = s->max_size; |
| 3661 | size = socket_recv(s->fd, buf, len); |
| 3662 | if (size == 0) { |
| 3663 | /* connection closed */ |
| 3664 | s->connected = 0; |
| 3665 | if (s->listen_fd >= 0) { |
| 3666 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); |
| 3667 | } |
| 3668 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 3669 | socket_close(s->fd); |
| 3670 | s->fd = -1; |
| 3671 | } else if (size > 0) { |
| 3672 | if (s->do_telnetopt) |
| 3673 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
| 3674 | if (size > 0) |
| 3675 | qemu_chr_read(chr, buf, size); |
| 3676 | } |
| 3677 | } |
| 3678 | |
| 3679 | static void tcp_chr_connect(void *opaque) |
| 3680 | { |
| 3681 | CharDriverState *chr = opaque; |
| 3682 | TCPCharDriver *s = chr->opaque; |
| 3683 | |
| 3684 | s->connected = 1; |
| 3685 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
| 3686 | tcp_chr_read, NULL, chr); |
| 3687 | qemu_chr_reset(chr); |
| 3688 | } |
| 3689 | |
| 3690 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
| 3691 | static void tcp_chr_telnet_init(int fd) |
| 3692 | { |
| 3693 | char buf[3]; |
| 3694 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ |
| 3695 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
| 3696 | socket_send(fd, (char *)buf, 3); |
| 3697 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
| 3698 | socket_send(fd, (char *)buf, 3); |
| 3699 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
| 3700 | socket_send(fd, (char *)buf, 3); |
| 3701 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
| 3702 | socket_send(fd, (char *)buf, 3); |
| 3703 | } |
| 3704 | |
| 3705 | static void tcp_chr_accept(void *opaque) |
| 3706 | { |
| 3707 | CharDriverState *chr = opaque; |
| 3708 | TCPCharDriver *s = chr->opaque; |
| 3709 | int fd; |
| 3710 | |
| 3711 | for(;;) { |
| 3712 | fd = socket_accept(s->listen_fd, NULL); |
| 3713 | if (fd < 0) { |
| 3714 | return; |
| 3715 | } else if (fd >= 0) { |
| 3716 | if (s->do_telnetopt) |
| 3717 | tcp_chr_telnet_init(fd); |
| 3718 | break; |
| 3719 | } |
| 3720 | } |
| 3721 | socket_set_nonblock(fd); |
| 3722 | if (s->do_nodelay) |
| 3723 | socket_set_nodelay(fd); |
| 3724 | s->fd = fd; |
| 3725 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
| 3726 | tcp_chr_connect(chr); |
| 3727 | } |
| 3728 | |
| 3729 | static void tcp_chr_close(CharDriverState *chr) |
| 3730 | { |
| 3731 | TCPCharDriver *s = chr->opaque; |
| 3732 | if (s->fd >= 0) |
| 3733 | closesocket(s->fd); |
| 3734 | if (s->listen_fd >= 0) |
| 3735 | closesocket(s->listen_fd); |
| 3736 | qemu_free(s); |
| 3737 | } |
| 3738 | |
| 3739 | static CharDriverState *qemu_chr_open_tcp(const char *host_str, |
| 3740 | int is_telnet, |
| 3741 | int is_unix) |
| 3742 | { |
| 3743 | CharDriverState *chr = NULL; |
| 3744 | TCPCharDriver *s = NULL; |
| 3745 | int fd = -1, ret, err; |
| 3746 | int is_listen = 0; |
| 3747 | int is_waitconnect = 1; |
| 3748 | int do_nodelay = 0; |
| 3749 | const char *ptr; |
| 3750 | SockAddress saddr; |
| 3751 | |
| 3752 | #ifndef _WIN32 |
| 3753 | if (is_unix) { |
| 3754 | if (parse_unix_path(&saddr, host_str) < 0) |
| 3755 | goto fail; |
| 3756 | } else |
| 3757 | #endif |
| 3758 | { |
| 3759 | if (parse_host_port(&saddr, host_str) < 0) |
| 3760 | goto fail; |
| 3761 | } |
| 3762 | |
| 3763 | ptr = host_str; |
| 3764 | while((ptr = strchr(ptr,','))) { |
| 3765 | ptr++; |
| 3766 | if (!strncmp(ptr,"server",6)) { |
| 3767 | is_listen = 1; |
| 3768 | } else if (!strncmp(ptr,"nowait",6)) { |
| 3769 | is_waitconnect = 0; |
| 3770 | } else if (!strncmp(ptr,"nodelay",6)) { |
| 3771 | do_nodelay = 1; |
| 3772 | } else { |
| 3773 | printf("Unknown option: %s\n", ptr); |
| 3774 | goto fail; |
| 3775 | } |
| 3776 | } |
| 3777 | if (!is_listen) |
| 3778 | is_waitconnect = 0; |
| 3779 | |
| 3780 | chr = qemu_mallocz(sizeof(CharDriverState)); |
| 3781 | if (!chr) |
| 3782 | goto fail; |
| 3783 | s = qemu_mallocz(sizeof(TCPCharDriver)); |
| 3784 | if (!s) |
| 3785 | goto fail; |
| 3786 | |
| 3787 | #ifndef _WIN32 |
| 3788 | if (is_unix) |
| 3789 | fd = socket_create( SOCKET_UNIX, SOCKET_STREAM ); |
| 3790 | else |
| 3791 | #endif |
| 3792 | fd = socket_create_inet( SOCKET_STREAM ); |
| 3793 | |
| 3794 | if (fd < 0) |
| 3795 | goto fail; |
| 3796 | |
| 3797 | if (!is_waitconnect) |
| 3798 | socket_set_nonblock(fd); |
| 3799 | |
| 3800 | s->connected = 0; |
| 3801 | s->fd = -1; |
| 3802 | s->listen_fd = -1; |
| 3803 | s->is_unix = is_unix; |
| 3804 | s->do_nodelay = do_nodelay && !is_unix; |
| 3805 | |
| 3806 | chr->opaque = s; |
| 3807 | chr->chr_write = tcp_chr_write; |
| 3808 | chr->chr_close = tcp_chr_close; |
| 3809 | |
| 3810 | if (is_listen) { |
| 3811 | /* allow fast reuse */ |
| 3812 | #ifndef _WIN32 |
| 3813 | if (is_unix) { |
| 3814 | unlink( sock_address_get_path(&saddr) ); |
| 3815 | } else |
| 3816 | #endif |
| 3817 | socket_set_xreuseaddr(fd); |
| 3818 | |
| 3819 | if (socket_bind(fd, &saddr) < 0 || |
| 3820 | socket_listen(fd, 0) < 0) |
| 3821 | goto fail; |
| 3822 | |
| 3823 | s->listen_fd = fd; |
| 3824 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); |
| 3825 | if (is_telnet) |
| 3826 | s->do_telnetopt = 1; |
| 3827 | } else { |
| 3828 | for(;;) { |
| 3829 | ret = socket_connect(fd, &saddr); |
| 3830 | if (ret < 0) { |
| 3831 | err = errno; |
| 3832 | if (err == EINTR || err == EWOULDBLOCK) { |
| 3833 | } else if (err == EINPROGRESS) { |
| 3834 | break; |
| 3835 | #ifdef _WIN32 |
| 3836 | } else if (err == EALREADY) { |
| 3837 | break; |
| 3838 | #endif |
| 3839 | } else { |
| 3840 | goto fail; |
| 3841 | } |
| 3842 | } else { |
| 3843 | s->connected = 1; |
| 3844 | break; |
| 3845 | } |
| 3846 | } |
| 3847 | s->fd = fd; |
| 3848 | socket_set_nodelay(fd); |
| 3849 | if (s->connected) |
| 3850 | tcp_chr_connect(chr); |
| 3851 | else |
| 3852 | qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr); |
| 3853 | } |
| 3854 | |
| 3855 | if (is_listen && is_waitconnect) { |
| 3856 | printf("QEMU waiting for connection on: %s\n", host_str); |
| 3857 | tcp_chr_accept(chr); |
| 3858 | socket_set_nonblock(s->listen_fd); |
| 3859 | } |
| 3860 | |
| 3861 | return chr; |
| 3862 | fail: |
| 3863 | if (fd >= 0) |
| 3864 | socket_close(fd); |
| 3865 | qemu_free(s); |
| 3866 | qemu_free(chr); |
| 3867 | return NULL; |
| 3868 | } |
| 3869 | |
| 3870 | CharDriverState *qemu_chr_open(const char *filename) |
| 3871 | { |
| 3872 | const char *p; |
| 3873 | |
| 3874 | if (!strcmp(filename, "vc")) { |
| 3875 | return text_console_init(&display_state, 0); |
| 3876 | } else if (strstart(filename, "vc:", &p)) { |
| 3877 | return text_console_init(&display_state, p); |
| 3878 | } else if (!strcmp(filename, "null")) { |
| 3879 | return qemu_chr_open_null(); |
| 3880 | } else |
| 3881 | if (strstart(filename, "tcp:", &p)) { |
| 3882 | return qemu_chr_open_tcp(p, 0, 0); |
| 3883 | } else |
| 3884 | if (strstart(filename, "telnet:", &p)) { |
| 3885 | return qemu_chr_open_tcp(p, 1, 0); |
| 3886 | } else |
| 3887 | if (strstart(filename, "udp:", &p)) { |
| 3888 | return qemu_chr_open_udp(p); |
| 3889 | } else |
| 3890 | if (strstart(filename, "mon:", &p)) { |
| 3891 | CharDriverState *drv = qemu_chr_open(p); |
| 3892 | if (drv) { |
| 3893 | drv = qemu_chr_open_mux(drv); |
| 3894 | monitor_init(drv, !nographic); |
| 3895 | return drv; |
| 3896 | } |
| 3897 | printf("Unable to open driver: %s\n", p); |
| 3898 | return 0; |
| 3899 | } else |
| 3900 | #ifndef _WIN32 |
| 3901 | if (strstart(filename, "unix:", &p)) { |
| 3902 | return qemu_chr_open_tcp(p, 0, 1); |
| 3903 | } else if (strstart(filename, "file:", &p)) { |
| 3904 | return qemu_chr_open_file_out(p); |
| 3905 | } else if (strstart(filename, "pipe:", &p)) { |
| 3906 | return qemu_chr_open_pipe(p); |
| 3907 | } else if (!strcmp(filename, "pty")) { |
| 3908 | return qemu_chr_open_pty(); |
| 3909 | } else if (!strcmp(filename, "stdio")) { |
| 3910 | return qemu_chr_open_stdio(); |
| 3911 | } else if (strstart(filename, "fdpair:", &p)) { |
| 3912 | return qemu_chr_open_fdpair(p); |
| 3913 | } else |
| 3914 | #endif |
| 3915 | #if defined(__linux__) |
| 3916 | if (strstart(filename, "/dev/parport", NULL)) { |
| 3917 | return qemu_chr_open_pp(filename); |
| 3918 | } else |
| 3919 | #endif |
| 3920 | #ifndef _WIN32 |
| 3921 | if (strstart(filename, "/dev/", NULL)) { |
| 3922 | return qemu_chr_open_tty(filename); |
| 3923 | } else |
| 3924 | #endif |
| 3925 | if (!strcmp(filename, "android-modem")) { |
| 3926 | CharDriverState* cs; |
| 3927 | qemu_chr_open_charpipe( &cs, &android_modem_cs ); |
| 3928 | return cs; |
| 3929 | } else if (!strcmp(filename, "android-gps")) { |
| 3930 | CharDriverState* cs; |
| 3931 | qemu_chr_open_charpipe( &cs, &android_gps_cs ); |
| 3932 | return cs; |
| 3933 | } else if (!strcmp(filename, "android-kmsg")) { |
| 3934 | return android_kmsg_get_cs(); |
| 3935 | } else if (!strcmp(filename, "android-qemud")) { |
| 3936 | return android_qemud_get_cs(); |
| 3937 | } else |
| 3938 | #if defined(__linux__) |
| 3939 | if (strstart(filename, "/dev/parport", NULL)) { |
| 3940 | return qemu_chr_open_pp(filename); |
| 3941 | } else |
| 3942 | #endif |
| 3943 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
| 3944 | || defined(__NetBSD__) || defined(__OpenBSD__) |
| 3945 | if (strstart(filename, "/dev/", NULL)) { |
| 3946 | return qemu_chr_open_tty(filename); |
| 3947 | } else |
| 3948 | #endif |
| 3949 | #ifdef _WIN32 |
| 3950 | if (strstart(filename, "COM", NULL)) { |
| 3951 | return qemu_chr_open_win(filename); |
| 3952 | } else |
| 3953 | if (strstart(filename, "pipe:", &p)) { |
| 3954 | return qemu_chr_open_win_pipe(p); |
| 3955 | } else |
| 3956 | if (strstart(filename, "con:", NULL)) { |
| 3957 | return qemu_chr_open_win_con(filename); |
| 3958 | } else |
| 3959 | if (strstart(filename, "file:", &p)) { |
| 3960 | return qemu_chr_open_win_file_out(p); |
| 3961 | } else |
| 3962 | #endif |
| 3963 | #ifdef CONFIG_BRLAPI |
| 3964 | if (!strcmp(filename, "braille")) { |
| 3965 | return chr_baum_init(); |
| 3966 | } else |
| 3967 | #endif |
| 3968 | { |
| 3969 | return NULL; |
| 3970 | } |
| 3971 | } |
| 3972 | |
| 3973 | void qemu_chr_close(CharDriverState *chr) |
| 3974 | { |
| 3975 | if (chr->chr_close) |
| 3976 | chr->chr_close(chr); |
| 3977 | qemu_free(chr); |
| 3978 | } |
| 3979 | |
| 3980 | /***********************************************************/ |
| 3981 | /* network device redirectors */ |
| 3982 | |
| 3983 | __attribute__ (( unused )) |
| 3984 | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
| 3985 | { |
| 3986 | int len, i, j, c; |
| 3987 | |
| 3988 | for(i=0;i<size;i+=16) { |
| 3989 | len = size - i; |
| 3990 | if (len > 16) |
| 3991 | len = 16; |
| 3992 | fprintf(f, "%08x ", i); |
| 3993 | for(j=0;j<16;j++) { |
| 3994 | if (j < len) |
| 3995 | fprintf(f, " %02x", buf[i+j]); |
| 3996 | else |
| 3997 | fprintf(f, " "); |
| 3998 | } |
| 3999 | fprintf(f, " "); |
| 4000 | for(j=0;j<len;j++) { |
| 4001 | c = buf[i+j]; |
| 4002 | if (c < ' ' || c > '~') |
| 4003 | c = '.'; |
| 4004 | fprintf(f, "%c", c); |
| 4005 | } |
| 4006 | fprintf(f, "\n"); |
| 4007 | } |
| 4008 | } |
| 4009 | |
| 4010 | static int parse_macaddr(uint8_t *macaddr, const char *p) |
| 4011 | { |
| 4012 | int i; |
| 4013 | char *last_char; |
| 4014 | long int offset; |
| 4015 | |
| 4016 | errno = 0; |
| 4017 | offset = strtol(p, &last_char, 0); |
| 4018 | if (0 == errno && '\0' == *last_char && |
| 4019 | offset >= 0 && offset <= 0xFFFFFF) { |
| 4020 | macaddr[3] = (offset & 0xFF0000) >> 16; |
| 4021 | macaddr[4] = (offset & 0xFF00) >> 8; |
| 4022 | macaddr[5] = offset & 0xFF; |
| 4023 | return 0; |
| 4024 | } else { |
| 4025 | for(i = 0; i < 6; i++) { |
| 4026 | macaddr[i] = strtol(p, (char **)&p, 16); |
| 4027 | if (i == 5) { |
| 4028 | if (*p != '\0') |
| 4029 | return -1; |
| 4030 | } else { |
| 4031 | if (*p != ':' && *p != '-') |
| 4032 | return -1; |
| 4033 | p++; |
| 4034 | } |
| 4035 | } |
| 4036 | return 0; |
| 4037 | } |
| 4038 | |
| 4039 | return -1; |
| 4040 | } |
| 4041 | |
| 4042 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
| 4043 | { |
| 4044 | const char *p, *p1; |
| 4045 | int len; |
| 4046 | p = *pp; |
| 4047 | p1 = strchr(p, sep); |
| 4048 | if (!p1) |
| 4049 | return -1; |
| 4050 | len = p1 - p; |
| 4051 | p1++; |
| 4052 | if (buf_size > 0) { |
| 4053 | if (len > buf_size - 1) |
| 4054 | len = buf_size - 1; |
| 4055 | memcpy(buf, p, len); |
| 4056 | buf[len] = '\0'; |
| 4057 | } |
| 4058 | *pp = p1; |
| 4059 | return 0; |
| 4060 | } |
| 4061 | |
| 4062 | int parse_host_src_port(SockAddress *haddr, |
| 4063 | SockAddress *saddr, |
| 4064 | const char *input_str) |
| 4065 | { |
| 4066 | char *str = strdup(input_str); |
| 4067 | char *host_str = str; |
| 4068 | char *src_str; |
| 4069 | const char *src_str2; |
| 4070 | char *ptr; |
| 4071 | |
| 4072 | /* |
| 4073 | * Chop off any extra arguments at the end of the string which |
| 4074 | * would start with a comma, then fill in the src port information |
| 4075 | * if it was provided else use the "any address" and "any port". |
| 4076 | */ |
| 4077 | if ((ptr = strchr(str,','))) |
| 4078 | *ptr = '\0'; |
| 4079 | |
| 4080 | if ((src_str = strchr(input_str,'@'))) { |
| 4081 | *src_str = '\0'; |
| 4082 | src_str++; |
| 4083 | } |
| 4084 | |
| 4085 | if (parse_host_port(haddr, host_str) < 0) |
| 4086 | goto fail; |
| 4087 | |
| 4088 | src_str2 = src_str; |
| 4089 | if (!src_str || *src_str == '\0') |
| 4090 | src_str2 = ":0"; |
| 4091 | |
| 4092 | if (parse_host_port(saddr, src_str2) < 0) |
| 4093 | goto fail; |
| 4094 | |
| 4095 | free(str); |
| 4096 | return(0); |
| 4097 | |
| 4098 | fail: |
| 4099 | free(str); |
| 4100 | return -1; |
| 4101 | } |
| 4102 | |
| 4103 | int parse_host_port(SockAddress *saddr, const char *str) |
| 4104 | { |
| 4105 | char buf[512]; |
| 4106 | const char *p, *r; |
| 4107 | uint16_t port; |
| 4108 | |
| 4109 | p = str; |
| 4110 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 4111 | return -1; |
| 4112 | |
| 4113 | port = strtol(p, (char **)&r, 0); |
| 4114 | if (r == p) |
| 4115 | return -1; |
| 4116 | |
| 4117 | if (buf[0] == '\0') { |
| 4118 | sock_address_init_inet( saddr, SOCK_ADDRESS_INET_ANY, port ); |
| 4119 | } else { |
| 4120 | if (sock_address_init_resolve( saddr, buf, port, 0 ) < 0) |
| 4121 | return -1; |
| 4122 | } |
| 4123 | return 0; |
| 4124 | } |
| 4125 | |
| 4126 | #ifndef _WIN32 |
| 4127 | static int |
| 4128 | parse_unix_path(SockAddress* uaddr, const char *str) |
| 4129 | { |
| 4130 | char temp[109]; |
| 4131 | const char *p; |
| 4132 | int len; |
| 4133 | |
| 4134 | len = MIN(108, strlen(str)); |
| 4135 | p = strchr(str, ','); |
| 4136 | if (p) |
| 4137 | len = MIN(len, p - str); |
| 4138 | |
| 4139 | memcpy(temp, str, len); |
| 4140 | temp[len] = 0; |
| 4141 | |
| 4142 | sock_address_init_unix( uaddr, temp ); |
| 4143 | return 0; |
| 4144 | } |
| 4145 | #endif |
| 4146 | |
| 4147 | /* find or alloc a new VLAN */ |
| 4148 | VLANState *qemu_find_vlan(int id) |
| 4149 | { |
| 4150 | VLANState **pvlan, *vlan; |
| 4151 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 4152 | if (vlan->id == id) |
| 4153 | return vlan; |
| 4154 | } |
| 4155 | vlan = qemu_mallocz(sizeof(VLANState)); |
| 4156 | if (!vlan) |
| 4157 | return NULL; |
| 4158 | vlan->id = id; |
| 4159 | vlan->next = NULL; |
| 4160 | pvlan = &first_vlan; |
| 4161 | while (*pvlan != NULL) |
| 4162 | pvlan = &(*pvlan)->next; |
| 4163 | *pvlan = vlan; |
| 4164 | return vlan; |
| 4165 | } |
| 4166 | |
| 4167 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, |
| 4168 | IOReadHandler *fd_read, |
| 4169 | IOCanRWHandler *fd_can_read, |
| 4170 | void *opaque) |
| 4171 | { |
| 4172 | VLANClientState *vc, **pvc; |
| 4173 | vc = qemu_mallocz(sizeof(VLANClientState)); |
| 4174 | if (!vc) |
| 4175 | return NULL; |
| 4176 | vc->fd_read = fd_read; |
| 4177 | vc->fd_can_read = fd_can_read; |
| 4178 | vc->opaque = opaque; |
| 4179 | vc->vlan = vlan; |
| 4180 | |
| 4181 | vc->next = NULL; |
| 4182 | pvc = &vlan->first_client; |
| 4183 | while (*pvc != NULL) |
| 4184 | pvc = &(*pvc)->next; |
| 4185 | *pvc = vc; |
| 4186 | return vc; |
| 4187 | } |
| 4188 | |
| 4189 | void qemu_del_vlan_client(VLANClientState *vc) |
| 4190 | { |
| 4191 | VLANClientState **pvc = &vc->vlan->first_client; |
| 4192 | |
| 4193 | while (*pvc != NULL) |
| 4194 | if (*pvc == vc) { |
| 4195 | *pvc = vc->next; |
| 4196 | free(vc); |
| 4197 | break; |
| 4198 | } else |
| 4199 | pvc = &(*pvc)->next; |
| 4200 | } |
| 4201 | |
| 4202 | int qemu_can_send_packet(VLANClientState *vc1) |
| 4203 | { |
| 4204 | VLANState *vlan = vc1->vlan; |
| 4205 | VLANClientState *vc; |
| 4206 | |
| 4207 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
| 4208 | if (vc != vc1) { |
| 4209 | if (vc->fd_can_read && vc->fd_can_read(vc->opaque)) |
| 4210 | return 1; |
| 4211 | } |
| 4212 | } |
| 4213 | return 0; |
| 4214 | } |
| 4215 | |
| 4216 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) |
| 4217 | { |
| 4218 | VLANState *vlan = vc1->vlan; |
| 4219 | VLANClientState *vc; |
| 4220 | |
| 4221 | #if 0 |
| 4222 | printf("vlan %d send:\n", vlan->id); |
| 4223 | hex_dump(stdout, buf, size); |
| 4224 | #endif |
| 4225 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
| 4226 | if (vc != vc1) { |
| 4227 | vc->fd_read(vc->opaque, buf, size); |
| 4228 | } |
| 4229 | } |
| 4230 | } |
| 4231 | |
| 4232 | #if defined(CONFIG_SLIRP) |
| 4233 | |
| 4234 | /* slirp network adapter */ |
| 4235 | |
| 4236 | int slirp_inited; |
| 4237 | static VLANClientState *slirp_vc; |
| 4238 | |
| 4239 | double qemu_net_upload_speed = 0.; |
| 4240 | double qemu_net_download_speed = 0.; |
| 4241 | int qemu_net_min_latency = 0; |
| 4242 | int qemu_net_max_latency = 0; |
| 4243 | int qemu_net_disable = 0; |
| 4244 | |
| 4245 | int |
| 4246 | ip_packet_is_internal( const uint8_t* data, size_t size ) |
| 4247 | { |
| 4248 | const uint8_t* end = data + size; |
| 4249 | |
| 4250 | /* must have room for Mac + IP header */ |
| 4251 | if (data + 40 > end) |
| 4252 | return 0; |
| 4253 | |
| 4254 | if (data[12] != 0x08 || data[13] != 0x00 ) |
| 4255 | return 0; |
| 4256 | |
| 4257 | /* must have valid IP header */ |
| 4258 | data += 14; |
| 4259 | if ((data[0] >> 4) != 4 || (data[0] & 15) < 5) |
| 4260 | return 0; |
| 4261 | |
| 4262 | /* internal if both source and dest addresses are in 10.x.x.x */ |
| 4263 | return ( data[12] == 10 && data[16] == 10); |
| 4264 | } |
| 4265 | |
| 4266 | #ifdef CONFIG_SHAPER |
| 4267 | |
| 4268 | /* see http://en.wikipedia.org/wiki/List_of_device_bandwidths or a complete list */ |
| 4269 | const NetworkSpeed android_netspeeds[] = { |
| 4270 | { "gsm", "GSM/CSD", 14400, 14400 }, |
| 4271 | { "hscsd", "HSCSD", 14400, 43200 }, |
| 4272 | { "gprs", "GPRS", 40000, 80000 }, |
| 4273 | { "edge", "EDGE/EGPRS", 118400, 236800 }, |
| 4274 | { "umts", "UMTS/3G", 128000, 1920000 }, |
| 4275 | { "hsdpa", "HSDPA", 348000, 14400000 }, |
| 4276 | { "full", "no limit", 0, 0 }, |
| 4277 | { NULL, NULL, 0, 0 } |
| 4278 | }; |
| 4279 | |
| 4280 | const NetworkLatency android_netdelays[] = { |
| 4281 | /* FIXME: these numbers are totally imaginary */ |
| 4282 | { "gprs", "GPRS", 150, 550 }, |
| 4283 | { "edge", "EDGE/EGPRS", 80, 400 }, |
| 4284 | { "umts", "UMTS/3G", 35, 200 }, |
| 4285 | { "none", "no latency", 0, 0 }, |
| 4286 | { NULL, NULL, 0, 0 } |
| 4287 | }; |
| 4288 | |
| 4289 | |
| 4290 | NetShaper slirp_shaper_in; |
| 4291 | NetShaper slirp_shaper_out; |
| 4292 | NetDelay slirp_delay_in; |
| 4293 | |
| 4294 | static void |
| 4295 | slirp_delay_in_cb( void* data, |
| 4296 | size_t size, |
| 4297 | void* opaque ) |
| 4298 | { |
| 4299 | slirp_input( (const uint8_t*)data, (int)size ); |
| 4300 | opaque = opaque; |
| 4301 | } |
| 4302 | |
| 4303 | static void |
| 4304 | slirp_shaper_in_cb( void* data, |
| 4305 | size_t size, |
| 4306 | void* opaque ) |
| 4307 | { |
| 4308 | netdelay_send_aux( slirp_delay_in, data, size, opaque ); |
| 4309 | } |
| 4310 | |
| 4311 | static void |
| 4312 | slirp_shaper_out_cb( void* data, |
| 4313 | size_t size, |
| 4314 | void* opaque ) |
| 4315 | { |
| 4316 | qemu_send_packet( slirp_vc, (const uint8_t*)data, (int)size ); |
| 4317 | } |
| 4318 | |
| 4319 | void |
| 4320 | slirp_init_shapers( void ) |
| 4321 | { |
| 4322 | slirp_delay_in = netdelay_create( slirp_delay_in_cb ); |
| 4323 | slirp_shaper_in = netshaper_create( 1, slirp_shaper_in_cb ); |
| 4324 | slirp_shaper_out = netshaper_create( 1, slirp_shaper_out_cb ); |
| 4325 | |
| 4326 | netdelay_set_latency( slirp_delay_in, qemu_net_min_latency, qemu_net_max_latency ); |
| 4327 | netshaper_set_rate( slirp_shaper_out, qemu_net_download_speed ); |
| 4328 | netshaper_set_rate( slirp_shaper_in, qemu_net_upload_speed ); |
| 4329 | } |
| 4330 | |
| 4331 | #endif /* CONFIG_SHAPER */ |
| 4332 | |
| 4333 | int slirp_can_output(void) |
| 4334 | { |
| 4335 | #ifdef CONFIG_SHAPER |
| 4336 | return !slirp_vc || |
| 4337 | ( netshaper_can_send( slirp_shaper_out ) && |
| 4338 | qemu_can_send_packet(slirp_vc) ); |
| 4339 | #else |
| 4340 | return !slirp_vc || qemu_can_send_packet(slirp_vc); |
| 4341 | #endif |
| 4342 | } |
| 4343 | |
| 4344 | |
| 4345 | |
| 4346 | void slirp_output(const uint8_t *pkt, int pkt_len) |
| 4347 | { |
| 4348 | #if 0 |
| 4349 | printf("slirp output:\n"); |
| 4350 | hex_dump(stdout, pkt, pkt_len); |
| 4351 | #endif |
| 4352 | if (!slirp_vc) |
| 4353 | return; |
| 4354 | |
| 4355 | if (qemu_tcpdump_active) |
| 4356 | qemu_tcpdump_packet(pkt, pkt_len); |
| 4357 | |
| 4358 | /* always send internal packets */ |
| 4359 | if ( ip_packet_is_internal( pkt, pkt_len ) ) { |
| 4360 | qemu_send_packet( slirp_vc, pkt, pkt_len ); |
| 4361 | return; |
| 4362 | } |
| 4363 | |
| 4364 | if ( qemu_net_disable ) |
| 4365 | return; |
| 4366 | |
| 4367 | #ifdef CONFIG_SHAPER |
| 4368 | netshaper_send( slirp_shaper_out, (void*)pkt, pkt_len ); |
| 4369 | #else |
| 4370 | qemu_send_packet(slirp_vc, pkt, pkt_len); |
| 4371 | #endif |
| 4372 | } |
| 4373 | |
| 4374 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) |
| 4375 | { |
| 4376 | #if 0 |
| 4377 | printf("slirp input:\n"); |
| 4378 | hex_dump(stdout, buf, size); |
| 4379 | #endif |
| 4380 | if (qemu_tcpdump_active) |
| 4381 | qemu_tcpdump_packet(buf, size); |
| 4382 | |
| 4383 | if ( ip_packet_is_internal( buf, size ) ) { |
| 4384 | slirp_input(buf, size); |
| 4385 | return; |
| 4386 | } |
| 4387 | |
| 4388 | if (qemu_net_disable) |
| 4389 | return; |
| 4390 | |
| 4391 | #ifdef CONFIG_SHAPER |
| 4392 | netshaper_send( slirp_shaper_in, (char*)buf, size ); |
| 4393 | #else |
| 4394 | slirp_input(buf, size); |
| 4395 | #endif |
| 4396 | } |
| 4397 | |
| 4398 | static int net_slirp_init(VLANState *vlan) |
| 4399 | { |
| 4400 | if (!slirp_inited) { |
| 4401 | slirp_inited = 1; |
| 4402 | slirp_init(); |
| 4403 | } |
| 4404 | slirp_vc = qemu_new_vlan_client(vlan, |
| 4405 | slirp_receive, NULL, NULL); |
| 4406 | snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); |
| 4407 | return 0; |
| 4408 | } |
| 4409 | |
| 4410 | static void net_slirp_redir(const char *redir_str) |
| 4411 | { |
| 4412 | int is_udp; |
| 4413 | char buf[256], *r; |
| 4414 | const char *p; |
| 4415 | uint32_t guest_ip; |
| 4416 | int host_port, guest_port; |
| 4417 | |
| 4418 | if (!slirp_inited) { |
| 4419 | slirp_inited = 1; |
| 4420 | slirp_init(); |
| 4421 | } |
| 4422 | |
| 4423 | p = redir_str; |
| 4424 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 4425 | goto fail; |
| 4426 | if (!strcmp(buf, "tcp")) { |
| 4427 | is_udp = 0; |
| 4428 | } else if (!strcmp(buf, "udp")) { |
| 4429 | is_udp = 1; |
| 4430 | } else { |
| 4431 | goto fail; |
| 4432 | } |
| 4433 | |
| 4434 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 4435 | goto fail; |
| 4436 | host_port = strtol(buf, &r, 0); |
| 4437 | if (r == buf) |
| 4438 | goto fail; |
| 4439 | |
| 4440 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 4441 | goto fail; |
| 4442 | if (buf[0] == '\0') { |
| 4443 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
| 4444 | } |
| 4445 | if (inet_strtoip(buf, &guest_ip) < 0) |
| 4446 | goto fail; |
| 4447 | |
| 4448 | guest_port = strtol(p, &r, 0); |
| 4449 | if (r == p) |
| 4450 | goto fail; |
| 4451 | |
| 4452 | if (slirp_redir(is_udp, host_port, guest_ip, guest_port) < 0) { |
| 4453 | fprintf(stderr, "qemu: could not set up redirection\n"); |
| 4454 | exit(1); |
| 4455 | } |
| 4456 | return; |
| 4457 | fail: |
| 4458 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); |
| 4459 | exit(1); |
| 4460 | } |
| 4461 | |
| 4462 | #if 0 /* ANDROID disabled */ |
| 4463 | |
| 4464 | char smb_dir[1024]; |
| 4465 | |
| 4466 | static void erase_dir(char *dir_name) |
| 4467 | { |
| 4468 | DIR *d; |
| 4469 | struct dirent *de; |
| 4470 | char filename[1024]; |
| 4471 | |
| 4472 | /* erase all the files in the directory */ |
| 4473 | if ((d = opendir(dir_name)) != 0) { |
| 4474 | for(;;) { |
| 4475 | de = readdir(d); |
| 4476 | if (!de) |
| 4477 | break; |
| 4478 | if (strcmp(de->d_name, ".") != 0 && |
| 4479 | strcmp(de->d_name, "..") != 0) { |
| 4480 | snprintf(filename, sizeof(filename), "%s/%s", |
| 4481 | smb_dir, de->d_name); |
| 4482 | if (unlink(filename) != 0) /* is it a directory? */ |
| 4483 | erase_dir(filename); |
| 4484 | } |
| 4485 | } |
| 4486 | closedir(d); |
| 4487 | rmdir(dir_name); |
| 4488 | } |
| 4489 | } |
| 4490 | |
| 4491 | /* automatic user mode samba server configuration */ |
| 4492 | static void smb_exit(void) |
| 4493 | { |
| 4494 | erase_dir(smb_dir); |
| 4495 | } |
| 4496 | |
| 4497 | /* automatic user mode samba server configuration */ |
| 4498 | static void net_slirp_smb(const char *exported_dir) |
| 4499 | { |
| 4500 | char smb_conf[1024]; |
| 4501 | char smb_cmdline[1024]; |
| 4502 | FILE *f; |
| 4503 | |
| 4504 | if (!slirp_inited) { |
| 4505 | slirp_inited = 1; |
| 4506 | slirp_init(); |
| 4507 | } |
| 4508 | |
| 4509 | /* XXX: better tmp dir construction */ |
| 4510 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
| 4511 | if (mkdir(smb_dir, 0700) < 0) { |
| 4512 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); |
| 4513 | exit(1); |
| 4514 | } |
| 4515 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
| 4516 | |
| 4517 | f = fopen(smb_conf, "w"); |
| 4518 | if (!f) { |
| 4519 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); |
| 4520 | exit(1); |
| 4521 | } |
| 4522 | fprintf(f, |
| 4523 | "[global]\n" |
| 4524 | "private dir=%s\n" |
| 4525 | "smb ports=0\n" |
| 4526 | "socket address=127.0.0.1\n" |
| 4527 | "pid directory=%s\n" |
| 4528 | "lock directory=%s\n" |
| 4529 | "log file=%s/log.smbd\n" |
| 4530 | "smb passwd file=%s/smbpasswd\n" |
| 4531 | "security = share\n" |
| 4532 | "[qemu]\n" |
| 4533 | "path=%s\n" |
| 4534 | "read only=no\n" |
| 4535 | "guest ok=yes\n", |
| 4536 | smb_dir, |
| 4537 | smb_dir, |
| 4538 | smb_dir, |
| 4539 | smb_dir, |
| 4540 | smb_dir, |
| 4541 | exported_dir |
| 4542 | ); |
| 4543 | fclose(f); |
| 4544 | atexit(smb_exit); |
| 4545 | |
| 4546 | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
| 4547 | SMBD_COMMAND, smb_conf); |
| 4548 | |
| 4549 | slirp_add_exec(0, smb_cmdline, 4, 139); |
| 4550 | } |
| 4551 | |
| 4552 | #endif /* !defined(_WIN32) */ |
| 4553 | |
| 4554 | #endif /* CONFIG_SLIRP */ |
| 4555 | |
| 4556 | #if !defined(_WIN32) |
| 4557 | |
| 4558 | typedef struct TAPState { |
| 4559 | VLANClientState *vc; |
| 4560 | int fd; |
| 4561 | char down_script[1024]; |
| 4562 | } TAPState; |
| 4563 | |
| 4564 | static void tap_receive(void *opaque, const uint8_t *buf, int size) |
| 4565 | { |
| 4566 | TAPState *s = opaque; |
| 4567 | int ret; |
| 4568 | for(;;) { |
| 4569 | ret = write(s->fd, buf, size); |
| 4570 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { |
| 4571 | } else { |
| 4572 | break; |
| 4573 | } |
| 4574 | } |
| 4575 | } |
| 4576 | |
| 4577 | static void tap_send(void *opaque) |
| 4578 | { |
| 4579 | TAPState *s = opaque; |
| 4580 | uint8_t buf[4096]; |
| 4581 | int size; |
| 4582 | |
| 4583 | #ifdef __sun__ |
| 4584 | struct strbuf sbuf; |
| 4585 | int f = 0; |
| 4586 | sbuf.maxlen = sizeof(buf); |
| 4587 | sbuf.buf = buf; |
| 4588 | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; |
| 4589 | #else |
| 4590 | size = read(s->fd, buf, sizeof(buf)); |
| 4591 | #endif |
| 4592 | if (size > 0) { |
| 4593 | qemu_send_packet(s->vc, buf, size); |
| 4594 | } |
| 4595 | } |
| 4596 | |
| 4597 | /* fd support */ |
| 4598 | |
| 4599 | static TAPState *net_tap_fd_init(VLANState *vlan, int fd) |
| 4600 | { |
| 4601 | TAPState *s; |
| 4602 | |
| 4603 | s = qemu_mallocz(sizeof(TAPState)); |
| 4604 | if (!s) |
| 4605 | return NULL; |
| 4606 | s->fd = fd; |
| 4607 | s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s); |
| 4608 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); |
| 4609 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); |
| 4610 | return s; |
| 4611 | } |
| 4612 | |
| 4613 | #if defined (_BSD) || defined (__FreeBSD_kernel__) |
| 4614 | static int tap_open(char *ifname, int ifname_size) |
| 4615 | { |
| 4616 | int fd; |
| 4617 | char *dev; |
| 4618 | struct stat s; |
| 4619 | |
| 4620 | TFR(fd = open("/dev/tap", O_RDWR)); |
| 4621 | if (fd < 0) { |
| 4622 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); |
| 4623 | return -1; |
| 4624 | } |
| 4625 | |
| 4626 | fstat(fd, &s); |
| 4627 | dev = devname(s.st_rdev, S_IFCHR); |
| 4628 | pstrcpy(ifname, ifname_size, dev); |
| 4629 | |
| 4630 | fcntl(fd, F_SETFL, O_NONBLOCK); |
| 4631 | return fd; |
| 4632 | } |
| 4633 | #elif defined(__sun__) |
| 4634 | #define TUNNEWPPA (('T'<<16) | 0x0001) |
| 4635 | /* |
| 4636 | * Allocate TAP device, returns opened fd. |
| 4637 | * Stores dev name in the first arg(must be large enough). |
| 4638 | */ |
| 4639 | int tap_alloc(char *dev, size_t dev_size) |
| 4640 | { |
| 4641 | int tap_fd, if_fd, ppa = -1; |
| 4642 | static int ip_fd = 0; |
| 4643 | char *ptr; |
| 4644 | |
| 4645 | static int arp_fd = 0; |
| 4646 | int ip_muxid, arp_muxid; |
| 4647 | struct strioctl strioc_if, strioc_ppa; |
| 4648 | int link_type = I_PLINK;; |
| 4649 | struct lifreq ifr; |
| 4650 | char actual_name[32] = ""; |
| 4651 | |
| 4652 | memset(&ifr, 0x0, sizeof(ifr)); |
| 4653 | |
| 4654 | if( *dev ){ |
| 4655 | ptr = dev; |
| 4656 | while( *ptr && !isdigit((int)*ptr) ) ptr++; |
| 4657 | ppa = atoi(ptr); |
| 4658 | } |
| 4659 | |
| 4660 | /* Check if IP device was opened */ |
| 4661 | if( ip_fd ) |
| 4662 | close(ip_fd); |
| 4663 | |
| 4664 | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); |
| 4665 | if (ip_fd < 0) { |
| 4666 | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); |
| 4667 | return -1; |
| 4668 | } |
| 4669 | |
| 4670 | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); |
| 4671 | if (tap_fd < 0) { |
| 4672 | syslog(LOG_ERR, "Can't open /dev/tap"); |
| 4673 | return -1; |
| 4674 | } |
| 4675 | |
| 4676 | /* Assign a new PPA and get its unit number. */ |
| 4677 | strioc_ppa.ic_cmd = TUNNEWPPA; |
| 4678 | strioc_ppa.ic_timout = 0; |
| 4679 | strioc_ppa.ic_len = sizeof(ppa); |
| 4680 | strioc_ppa.ic_dp = (char *)&ppa; |
| 4681 | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) |
| 4682 | syslog (LOG_ERR, "Can't assign new interface"); |
| 4683 | |
| 4684 | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); |
| 4685 | if (if_fd < 0) { |
| 4686 | syslog(LOG_ERR, "Can't open /dev/tap (2)"); |
| 4687 | return -1; |
| 4688 | } |
| 4689 | if(ioctl(if_fd, I_PUSH, "ip") < 0){ |
| 4690 | syslog(LOG_ERR, "Can't push IP module"); |
| 4691 | return -1; |
| 4692 | } |
| 4693 | |
| 4694 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) |
| 4695 | syslog(LOG_ERR, "Can't get flags\n"); |
| 4696 | |
| 4697 | snprintf (actual_name, 32, "tap%d", ppa); |
| 4698 | strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); |
| 4699 | |
| 4700 | ifr.lifr_ppa = ppa; |
| 4701 | /* Assign ppa according to the unit number returned by tun device */ |
| 4702 | |
| 4703 | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) |
| 4704 | syslog (LOG_ERR, "Can't set PPA %d", ppa); |
| 4705 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) |
| 4706 | syslog (LOG_ERR, "Can't get flags\n"); |
| 4707 | /* Push arp module to if_fd */ |
| 4708 | if (ioctl (if_fd, I_PUSH, "arp") < 0) |
| 4709 | syslog (LOG_ERR, "Can't push ARP module (2)"); |
| 4710 | |
| 4711 | /* Push arp module to ip_fd */ |
| 4712 | if (ioctl (ip_fd, I_POP, NULL) < 0) |
| 4713 | syslog (LOG_ERR, "I_POP failed\n"); |
| 4714 | if (ioctl (ip_fd, I_PUSH, "arp") < 0) |
| 4715 | syslog (LOG_ERR, "Can't push ARP module (3)\n"); |
| 4716 | /* Open arp_fd */ |
| 4717 | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); |
| 4718 | if (arp_fd < 0) |
| 4719 | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); |
| 4720 | |
| 4721 | /* Set ifname to arp */ |
| 4722 | strioc_if.ic_cmd = SIOCSLIFNAME; |
| 4723 | strioc_if.ic_timout = 0; |
| 4724 | strioc_if.ic_len = sizeof(ifr); |
| 4725 | strioc_if.ic_dp = (char *)𝔦 |
| 4726 | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ |
| 4727 | syslog (LOG_ERR, "Can't set ifname to arp\n"); |
| 4728 | } |
| 4729 | |
| 4730 | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ |
| 4731 | syslog(LOG_ERR, "Can't link TAP device to IP"); |
| 4732 | return -1; |
| 4733 | } |
| 4734 | |
| 4735 | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) |
| 4736 | syslog (LOG_ERR, "Can't link TAP device to ARP"); |
| 4737 | |
| 4738 | close (if_fd); |
| 4739 | |
| 4740 | memset(&ifr, 0x0, sizeof(ifr)); |
| 4741 | strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); |
| 4742 | ifr.lifr_ip_muxid = ip_muxid; |
| 4743 | ifr.lifr_arp_muxid = arp_muxid; |
| 4744 | |
| 4745 | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) |
| 4746 | { |
| 4747 | ioctl (ip_fd, I_PUNLINK , arp_muxid); |
| 4748 | ioctl (ip_fd, I_PUNLINK, ip_muxid); |
| 4749 | syslog (LOG_ERR, "Can't set multiplexor id"); |
| 4750 | } |
| 4751 | |
| 4752 | snprintf(dev, dev_size, "tap%d", ppa); |
| 4753 | return tap_fd; |
| 4754 | } |
| 4755 | |
| 4756 | static int tap_open(char *ifname, int ifname_size) |
| 4757 | { |
| 4758 | char dev[10]=""; |
| 4759 | int fd; |
| 4760 | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ |
| 4761 | fprintf(stderr, "Cannot allocate TAP device\n"); |
| 4762 | return -1; |
| 4763 | } |
| 4764 | pstrcpy(ifname, ifname_size, dev); |
| 4765 | fcntl(fd, F_SETFL, O_NONBLOCK); |
| 4766 | return fd; |
| 4767 | } |
| 4768 | #else |
| 4769 | static int tap_open(char *ifname, int ifname_size) |
| 4770 | { |
| 4771 | struct ifreq ifr; |
| 4772 | int fd, ret; |
| 4773 | |
| 4774 | TFR(fd = open("/dev/net/tun", O_RDWR)); |
| 4775 | if (fd < 0) { |
| 4776 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); |
| 4777 | return -1; |
| 4778 | } |
| 4779 | memset(&ifr, 0, sizeof(ifr)); |
| 4780 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
| 4781 | if (ifname[0] != '\0') |
| 4782 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
| 4783 | else |
| 4784 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); |
| 4785 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); |
| 4786 | if (ret != 0) { |
| 4787 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); |
| 4788 | close(fd); |
| 4789 | return -1; |
| 4790 | } |
| 4791 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
| 4792 | fcntl(fd, F_SETFL, O_NONBLOCK); |
| 4793 | return fd; |
| 4794 | } |
| 4795 | #endif |
| 4796 | |
| 4797 | static int launch_script(const char *setup_script, const char *ifname, int fd) |
| 4798 | { |
| 4799 | int pid, status; |
| 4800 | char *args[3]; |
| 4801 | char **parg; |
| 4802 | |
| 4803 | /* try to launch network script */ |
| 4804 | pid = fork(); |
| 4805 | if (pid >= 0) { |
| 4806 | if (pid == 0) { |
| 4807 | int open_max = sysconf (_SC_OPEN_MAX), i; |
| 4808 | for (i = 0; i < open_max; i++) |
| 4809 | if (i != STDIN_FILENO && |
| 4810 | i != STDOUT_FILENO && |
| 4811 | i != STDERR_FILENO && |
| 4812 | i != fd) |
| 4813 | close(i); |
| 4814 | |
| 4815 | parg = args; |
| 4816 | *parg++ = (char *)setup_script; |
| 4817 | *parg++ = (char *)ifname; |
| 4818 | *parg++ = NULL; |
| 4819 | execv(setup_script, args); |
| 4820 | _exit(1); |
| 4821 | } |
| 4822 | while (waitpid(pid, &status, 0) != pid); |
| 4823 | if (!WIFEXITED(status) || |
| 4824 | WEXITSTATUS(status) != 0) { |
| 4825 | fprintf(stderr, "%s: could not launch network script\n", |
| 4826 | setup_script); |
| 4827 | return -1; |
| 4828 | } |
| 4829 | } |
| 4830 | return 0; |
| 4831 | } |
| 4832 | |
| 4833 | static int net_tap_init(VLANState *vlan, const char *ifname1, |
| 4834 | const char *setup_script, const char *down_script) |
| 4835 | { |
| 4836 | TAPState *s; |
| 4837 | int fd; |
| 4838 | char ifname[128]; |
| 4839 | |
| 4840 | if (ifname1 != NULL) |
| 4841 | pstrcpy(ifname, sizeof(ifname), ifname1); |
| 4842 | else |
| 4843 | ifname[0] = '\0'; |
| 4844 | TFR(fd = tap_open(ifname, sizeof(ifname))); |
| 4845 | if (fd < 0) |
| 4846 | return -1; |
| 4847 | |
| 4848 | if (!setup_script || !strcmp(setup_script, "no")) |
| 4849 | setup_script = ""; |
| 4850 | if (setup_script[0] != '\0') { |
| 4851 | if (launch_script(setup_script, ifname, fd)) |
| 4852 | return -1; |
| 4853 | } |
| 4854 | s = net_tap_fd_init(vlan, fd); |
| 4855 | if (!s) |
| 4856 | return -1; |
| 4857 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
| 4858 | "tap: ifname=%s setup_script=%s", ifname, setup_script); |
| 4859 | if (down_script && strcmp(down_script, "no")) |
| 4860 | snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); |
| 4861 | return 0; |
| 4862 | } |
| 4863 | |
| 4864 | #endif /* !_WIN32 */ |
| 4865 | |
| 4866 | #if defined(CONFIG_VDE) |
| 4867 | typedef struct VDEState { |
| 4868 | VLANClientState *vc; |
| 4869 | VDECONN *vde; |
| 4870 | } VDEState; |
| 4871 | |
| 4872 | static void vde_to_qemu(void *opaque) |
| 4873 | { |
| 4874 | VDEState *s = opaque; |
| 4875 | uint8_t buf[4096]; |
| 4876 | int size; |
| 4877 | |
| 4878 | size = vde_recv(s->vde, buf, sizeof(buf), 0); |
| 4879 | if (size > 0) { |
| 4880 | qemu_send_packet(s->vc, buf, size); |
| 4881 | } |
| 4882 | } |
| 4883 | |
| 4884 | static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) |
| 4885 | { |
| 4886 | VDEState *s = opaque; |
| 4887 | int ret; |
| 4888 | for(;;) { |
| 4889 | ret = vde_send(s->vde, buf, size, 0); |
| 4890 | if (ret < 0 && errno == EINTR) { |
| 4891 | } else { |
| 4892 | break; |
| 4893 | } |
| 4894 | } |
| 4895 | } |
| 4896 | |
| 4897 | static int net_vde_init(VLANState *vlan, const char *sock, int port, |
| 4898 | const char *group, int mode) |
| 4899 | { |
| 4900 | VDEState *s; |
| 4901 | char *init_group = strlen(group) ? (char *)group : NULL; |
| 4902 | char *init_sock = strlen(sock) ? (char *)sock : NULL; |
| 4903 | |
| 4904 | struct vde_open_args args = { |
| 4905 | .port = port, |
| 4906 | .group = init_group, |
| 4907 | .mode = mode, |
| 4908 | }; |
| 4909 | |
| 4910 | s = qemu_mallocz(sizeof(VDEState)); |
| 4911 | if (!s) |
| 4912 | return -1; |
| 4913 | s->vde = vde_open(init_sock, "QEMU", &args); |
| 4914 | if (!s->vde){ |
| 4915 | free(s); |
| 4916 | return -1; |
| 4917 | } |
| 4918 | s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s); |
| 4919 | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s); |
| 4920 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d", |
| 4921 | sock, vde_datafd(s->vde)); |
| 4922 | return 0; |
| 4923 | } |
| 4924 | #endif |
| 4925 | |
| 4926 | /* network connection */ |
| 4927 | typedef struct NetSocketState { |
| 4928 | VLANClientState *vc; |
| 4929 | int fd; |
| 4930 | int state; /* 0 = getting length, 1 = getting data */ |
| 4931 | int index; |
| 4932 | int packet_len; |
| 4933 | uint8_t buf[4096]; |
| 4934 | SockAddress dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
| 4935 | } NetSocketState; |
| 4936 | |
| 4937 | typedef struct NetSocketListenState { |
| 4938 | VLANState *vlan; |
| 4939 | int fd; |
| 4940 | } NetSocketListenState; |
| 4941 | |
| 4942 | /* XXX: we consider we can send the whole packet without blocking */ |
| 4943 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) |
| 4944 | { |
| 4945 | NetSocketState *s = opaque; |
| 4946 | uint32_t len; |
| 4947 | len = htonl(size); |
| 4948 | |
| 4949 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
| 4950 | send_all(s->fd, buf, size); |
| 4951 | } |
| 4952 | |
| 4953 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) |
| 4954 | { |
| 4955 | NetSocketState *s = opaque; |
| 4956 | socket_sendto(s->fd, buf, size, &s->dgram_dst); |
| 4957 | } |
| 4958 | |
| 4959 | static void net_socket_send(void *opaque) |
| 4960 | { |
| 4961 | NetSocketState *s = opaque; |
| 4962 | int l, size, err; |
| 4963 | uint8_t buf1[4096]; |
| 4964 | const uint8_t *buf; |
| 4965 | |
| 4966 | size = socket_recv(s->fd, buf1, sizeof(buf1)); |
| 4967 | if (size < 0) { |
| 4968 | err = errno; |
| 4969 | if (err != EWOULDBLOCK) |
| 4970 | goto eoc; |
| 4971 | } else if (size == 0) { |
| 4972 | /* end of connection */ |
| 4973 | eoc: |
| 4974 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 4975 | socket_close(s->fd); |
| 4976 | return; |
| 4977 | } |
| 4978 | buf = buf1; |
| 4979 | while (size > 0) { |
| 4980 | /* reassemble a packet from the network */ |
| 4981 | switch(s->state) { |
| 4982 | case 0: |
| 4983 | l = 4 - s->index; |
| 4984 | if (l > size) |
| 4985 | l = size; |
| 4986 | memcpy(s->buf + s->index, buf, l); |
| 4987 | buf += l; |
| 4988 | size -= l; |
| 4989 | s->index += l; |
| 4990 | if (s->index == 4) { |
| 4991 | /* got length */ |
| 4992 | s->packet_len = ntohl(*(uint32_t *)s->buf); |
| 4993 | s->index = 0; |
| 4994 | s->state = 1; |
| 4995 | } |
| 4996 | break; |
| 4997 | case 1: |
| 4998 | l = s->packet_len - s->index; |
| 4999 | if (l > size) |
| 5000 | l = size; |
| 5001 | memcpy(s->buf + s->index, buf, l); |
| 5002 | s->index += l; |
| 5003 | buf += l; |
| 5004 | size -= l; |
| 5005 | if (s->index >= s->packet_len) { |
| 5006 | qemu_send_packet(s->vc, s->buf, s->packet_len); |
| 5007 | s->index = 0; |
| 5008 | s->state = 0; |
| 5009 | } |
| 5010 | break; |
| 5011 | } |
| 5012 | } |
| 5013 | } |
| 5014 | |
| 5015 | static void net_socket_send_dgram(void *opaque) |
| 5016 | { |
| 5017 | NetSocketState *s = opaque; |
| 5018 | int size; |
| 5019 | |
| 5020 | size = socket_recv(s->fd, s->buf, sizeof(s->buf)); |
| 5021 | if (size < 0) |
| 5022 | return; |
| 5023 | if (size == 0) { |
| 5024 | /* end of connection */ |
| 5025 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 5026 | return; |
| 5027 | } |
| 5028 | qemu_send_packet(s->vc, s->buf, size); |
| 5029 | } |
| 5030 | |
| 5031 | static int net_socket_mcast_create(SockAddress* mcastaddr) |
| 5032 | { |
| 5033 | uint32_t mcast_ip = (uint32_t) sock_address_get_ip(mcastaddr); |
| 5034 | |
| 5035 | int fd, ret; |
| 5036 | |
| 5037 | if (!IN_MULTICAST(mcast_ip)) { |
| 5038 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" does not contain a multicast address\n", |
| 5039 | sock_address_to_string(mcastaddr)); |
| 5040 | return -1; |
| 5041 | |
| 5042 | } |
| 5043 | fd = socket_create_inet( SOCKET_DGRAM ); |
| 5044 | if (fd < 0) { |
| 5045 | perror("socket(PF_INET, SOCK_DGRAM)"); |
| 5046 | return -1; |
| 5047 | } |
| 5048 | |
| 5049 | #if 0 |
| 5050 | val = 1; |
| 5051 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
| 5052 | (const char *)&val, sizeof(val)); |
| 5053 | #else |
| 5054 | ret=socket_set_xreuseaddr(fd); |
| 5055 | #endif |
| 5056 | if (ret < 0) { |
| 5057 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); |
| 5058 | goto fail; |
| 5059 | } |
| 5060 | |
| 5061 | if (socket_bind(fd, mcastaddr) < 0) { |
| 5062 | perror("bind"); |
| 5063 | goto fail; |
| 5064 | } |
| 5065 | |
| 5066 | /* Add host to multicast group */ |
| 5067 | if (socket_mcast_inet_add_membership(fd, mcast_ip) < 0) { |
| 5068 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); |
| 5069 | goto fail; |
| 5070 | } |
| 5071 | |
| 5072 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ |
| 5073 | if (socket_mcast_inet_set_loop(fd, 1) < 0) { |
| 5074 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); |
| 5075 | goto fail; |
| 5076 | } |
| 5077 | |
| 5078 | socket_set_nonblock(fd); |
| 5079 | return fd; |
| 5080 | fail: |
| 5081 | if (fd >= 0) |
| 5082 | closesocket(fd); |
| 5083 | return -1; |
| 5084 | } |
| 5085 | |
| 5086 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, |
| 5087 | int is_connected) |
| 5088 | { |
| 5089 | SockAddress saddr; |
| 5090 | int newfd; |
| 5091 | NetSocketState *s; |
| 5092 | |
| 5093 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it |
| 5094 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() |
| 5095 | * by ONLY ONE process: we must "clone" this dgram socket --jjo |
| 5096 | */ |
| 5097 | |
| 5098 | if (is_connected) { |
| 5099 | if (socket_get_address(fd, &saddr) == 0) { |
| 5100 | /* must be bound */ |
| 5101 | if (sock_address_get_ip(&saddr) == 0) { |
| 5102 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", |
| 5103 | fd); |
| 5104 | return NULL; |
| 5105 | } |
| 5106 | /* clone dgram socket */ |
| 5107 | newfd = net_socket_mcast_create(&saddr); |
| 5108 | if (newfd < 0) { |
| 5109 | /* error already reported by net_socket_mcast_create() */ |
| 5110 | close(fd); |
| 5111 | return NULL; |
| 5112 | } |
| 5113 | /* clone newfd to fd, close newfd */ |
| 5114 | dup2(newfd, fd); |
| 5115 | close(newfd); |
| 5116 | |
| 5117 | } else { |
| 5118 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", |
| 5119 | fd, errno_str); |
| 5120 | return NULL; |
| 5121 | } |
| 5122 | } |
| 5123 | |
| 5124 | s = qemu_mallocz(sizeof(NetSocketState)); |
| 5125 | if (!s) |
| 5126 | return NULL; |
| 5127 | s->fd = fd; |
| 5128 | |
| 5129 | s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s); |
| 5130 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); |
| 5131 | |
| 5132 | /* mcast: save bound address as dst */ |
| 5133 | if (is_connected) s->dgram_dst=saddr; |
| 5134 | |
| 5135 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
| 5136 | "socket: fd=%d (%s mcast=%s)", |
| 5137 | fd, is_connected? "cloned" : "", |
| 5138 | sock_address_to_string(&saddr)); |
| 5139 | return s; |
| 5140 | } |
| 5141 | |
| 5142 | static void net_socket_connect(void *opaque) |
| 5143 | { |
| 5144 | NetSocketState *s = opaque; |
| 5145 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); |
| 5146 | } |
| 5147 | |
| 5148 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, |
| 5149 | int is_connected) |
| 5150 | { |
| 5151 | NetSocketState *s; |
| 5152 | s = qemu_mallocz(sizeof(NetSocketState)); |
| 5153 | if (!s) |
| 5154 | return NULL; |
| 5155 | s->fd = fd; |
| 5156 | s->vc = qemu_new_vlan_client(vlan, |
| 5157 | net_socket_receive, NULL, s); |
| 5158 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
| 5159 | "socket: fd=%d", fd); |
| 5160 | if (is_connected) { |
| 5161 | net_socket_connect(s); |
| 5162 | } else { |
| 5163 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); |
| 5164 | } |
| 5165 | return s; |
| 5166 | } |
| 5167 | |
| 5168 | static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, |
| 5169 | int is_connected) |
| 5170 | { |
| 5171 | SocketType so_type; |
| 5172 | |
| 5173 | so_type = socket_get_type(fd); |
| 5174 | switch(so_type) { |
| 5175 | case SOCKET_DGRAM: |
| 5176 | return net_socket_fd_init_dgram(vlan, fd, is_connected); |
| 5177 | case SOCKET_STREAM: |
| 5178 | return net_socket_fd_init_stream(vlan, fd, is_connected); |
| 5179 | default: |
| 5180 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ |
| 5181 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); |
| 5182 | return net_socket_fd_init_stream(vlan, fd, is_connected); |
| 5183 | } |
| 5184 | return NULL; |
| 5185 | } |
| 5186 | |
| 5187 | static void net_socket_accept(void *opaque) |
| 5188 | { |
| 5189 | NetSocketListenState *s = opaque; |
| 5190 | NetSocketState *s1; |
| 5191 | SockAddress saddr; |
| 5192 | int fd; |
| 5193 | |
| 5194 | fd = socket_accept(s->fd, &saddr); |
| 5195 | if (fd < 0) |
| 5196 | return; |
| 5197 | |
| 5198 | s1 = net_socket_fd_init(s->vlan, fd, 1); |
| 5199 | if (!s1) { |
| 5200 | closesocket(fd); |
| 5201 | } else { |
| 5202 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), |
| 5203 | "socket: connection from %s", |
| 5204 | sock_address_to_string(&saddr)); |
| 5205 | } |
| 5206 | sock_address_done(&saddr); |
| 5207 | } |
| 5208 | |
| 5209 | static int net_socket_listen_init(VLANState *vlan, const char *host_str) |
| 5210 | { |
| 5211 | NetSocketListenState *s; |
| 5212 | int fd, ret; |
| 5213 | SockAddress saddr; |
| 5214 | |
| 5215 | if (parse_host_port(&saddr, host_str) < 0) |
| 5216 | return -1; |
| 5217 | |
| 5218 | s = qemu_mallocz(sizeof(NetSocketListenState)); |
| 5219 | if (!s) |
| 5220 | return -1; |
| 5221 | |
| 5222 | fd = socket_create_inet( SOCKET_STREAM ); |
| 5223 | if (fd < 0) { |
| 5224 | perror("socket"); |
| 5225 | return -1; |
| 5226 | } |
| 5227 | socket_set_nonblock(fd); |
| 5228 | #if 0 |
| 5229 | /* allow fast reuse */ |
| 5230 | val = 1; |
| 5231 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
| 5232 | #else |
| 5233 | socket_set_xreuseaddr(fd); |
| 5234 | #endif |
| 5235 | |
| 5236 | ret = socket_bind(fd, &saddr); |
| 5237 | if (ret < 0) { |
| 5238 | perror("bind"); |
| 5239 | socket_close(fd); |
| 5240 | return -1; |
| 5241 | } |
| 5242 | ret = socket_listen(fd, 0); |
| 5243 | if (ret < 0) { |
| 5244 | perror("listen"); |
| 5245 | socket_close(fd); |
| 5246 | return -1; |
| 5247 | } |
| 5248 | s->vlan = vlan; |
| 5249 | s->fd = fd; |
| 5250 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); |
| 5251 | return 0; |
| 5252 | } |
| 5253 | |
| 5254 | static int net_socket_connect_init(VLANState *vlan, const char *host_str) |
| 5255 | { |
| 5256 | NetSocketState *s; |
| 5257 | int fd, connected, ret, err; |
| 5258 | SockAddress saddr; |
| 5259 | |
| 5260 | if (parse_host_port(&saddr, host_str) < 0) |
| 5261 | return -1; |
| 5262 | |
| 5263 | fd = socket_create_inet( SOCKET_STREAM ); |
| 5264 | if (fd < 0) { |
| 5265 | perror("socket"); |
| 5266 | return -1; |
| 5267 | } |
| 5268 | socket_set_nonblock(fd); |
| 5269 | |
| 5270 | connected = 0; |
| 5271 | for(;;) { |
| 5272 | ret = socket_connect(fd, &saddr); |
| 5273 | if (ret < 0) { |
| 5274 | err = errno; |
| 5275 | if (err == EINTR || err == EWOULDBLOCK) { |
| 5276 | } else if (err == EINPROGRESS) { |
| 5277 | break; |
| 5278 | #ifdef _WIN32 |
| 5279 | } else if (err == EALREADY) { |
| 5280 | break; |
| 5281 | #endif |
| 5282 | } else { |
| 5283 | perror("connect"); |
| 5284 | socket_close(fd); |
| 5285 | return -1; |
| 5286 | } |
| 5287 | } else { |
| 5288 | connected = 1; |
| 5289 | break; |
| 5290 | } |
| 5291 | } |
| 5292 | s = net_socket_fd_init(vlan, fd, connected); |
| 5293 | if (!s) |
| 5294 | return -1; |
| 5295 | |
| 5296 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
| 5297 | "socket: connect to %s", sock_address_to_string(&saddr)); |
| 5298 | return 0; |
| 5299 | } |
| 5300 | |
| 5301 | static int net_socket_mcast_init(VLANState *vlan, const char *host_str) |
| 5302 | { |
| 5303 | NetSocketState *s; |
| 5304 | int fd; |
| 5305 | SockAddress saddr; |
| 5306 | |
| 5307 | if (parse_host_port(&saddr, host_str) < 0) |
| 5308 | return -1; |
| 5309 | |
| 5310 | |
| 5311 | fd = net_socket_mcast_create(&saddr); |
| 5312 | if (fd < 0) |
| 5313 | return -1; |
| 5314 | |
| 5315 | s = net_socket_fd_init(vlan, fd, 0); |
| 5316 | if (!s) |
| 5317 | return -1; |
| 5318 | |
| 5319 | s->dgram_dst = saddr; |
| 5320 | |
| 5321 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), |
| 5322 | "socket: mcast=%s", sock_address_to_string(&saddr)); |
| 5323 | return 0; |
| 5324 | |
| 5325 | } |
| 5326 | |
| 5327 | static const char *get_opt_name(char *buf, int buf_size, const char *p) |
| 5328 | { |
| 5329 | char *q; |
| 5330 | |
| 5331 | q = buf; |
| 5332 | while (*p != '\0' && *p != '=') { |
| 5333 | if (q && (q - buf) < buf_size - 1) |
| 5334 | *q++ = *p; |
| 5335 | p++; |
| 5336 | } |
| 5337 | if (q) |
| 5338 | *q = '\0'; |
| 5339 | |
| 5340 | return p; |
| 5341 | } |
| 5342 | |
| 5343 | static const char *get_opt_value(char *buf, int buf_size, const char *p) |
| 5344 | { |
| 5345 | char *q; |
| 5346 | |
| 5347 | q = buf; |
| 5348 | while (*p != '\0') { |
| 5349 | if (*p == ',') { |
| 5350 | if (*(p + 1) != ',') |
| 5351 | break; |
| 5352 | p++; |
| 5353 | } |
| 5354 | if (q && (q - buf) < buf_size - 1) |
| 5355 | *q++ = *p; |
| 5356 | p++; |
| 5357 | } |
| 5358 | if (q) |
| 5359 | *q = '\0'; |
| 5360 | |
| 5361 | return p; |
| 5362 | } |
| 5363 | |
| 5364 | static int get_param_value(char *buf, int buf_size, |
| 5365 | const char *tag, const char *str) |
| 5366 | { |
| 5367 | const char *p; |
| 5368 | char option[128]; |
| 5369 | |
| 5370 | p = str; |
| 5371 | for(;;) { |
| 5372 | p = get_opt_name(option, sizeof(option), p); |
| 5373 | if (*p != '=') |
| 5374 | break; |
| 5375 | p++; |
| 5376 | if (!strcmp(tag, option)) { |
| 5377 | (void)get_opt_value(buf, buf_size, p); |
| 5378 | return strlen(buf); |
| 5379 | } else { |
| 5380 | p = get_opt_value(NULL, 0, p); |
| 5381 | } |
| 5382 | if (*p != ',') |
| 5383 | break; |
| 5384 | p++; |
| 5385 | } |
| 5386 | return 0; |
| 5387 | } |
| 5388 | |
| 5389 | static int check_params(char *buf, int buf_size, |
| 5390 | const char * const *params, const char *str) |
| 5391 | { |
| 5392 | const char *p; |
| 5393 | int i; |
| 5394 | |
| 5395 | p = str; |
| 5396 | for(;;) { |
| 5397 | p = get_opt_name(buf, buf_size, p); |
| 5398 | if (*p != '=') |
| 5399 | return -1; |
| 5400 | p++; |
| 5401 | for(i = 0; params[i] != NULL; i++) |
| 5402 | if (!strcmp(params[i], buf)) |
| 5403 | break; |
| 5404 | if (params[i] == NULL) |
| 5405 | return -1; |
| 5406 | p = get_opt_value(NULL, 0, p); |
| 5407 | if (*p != ',') |
| 5408 | break; |
| 5409 | p++; |
| 5410 | } |
| 5411 | return 0; |
| 5412 | } |
| 5413 | |
| 5414 | static int net_client_init(const char *device, const char *p) |
| 5415 | { |
| 5416 | char buf[1024]; |
| 5417 | int vlan_id, ret; |
| 5418 | VLANState *vlan; |
| 5419 | |
| 5420 | vlan_id = 0; |
| 5421 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { |
| 5422 | vlan_id = strtol(buf, NULL, 0); |
| 5423 | } |
| 5424 | vlan = qemu_find_vlan(vlan_id); |
| 5425 | if (!vlan) { |
| 5426 | fprintf(stderr, "Could not create vlan %d\n", vlan_id); |
| 5427 | return -1; |
| 5428 | } |
| 5429 | if (!strcmp(device, "nic")) { |
| 5430 | NICInfo *nd; |
| 5431 | uint8_t *macaddr; |
| 5432 | |
| 5433 | if (nb_nics >= MAX_NICS) { |
| 5434 | fprintf(stderr, "Too Many NICs\n"); |
| 5435 | return -1; |
| 5436 | } |
| 5437 | nd = &nd_table[nb_nics]; |
| 5438 | macaddr = nd->macaddr; |
| 5439 | macaddr[0] = 0x52; |
| 5440 | macaddr[1] = 0x54; |
| 5441 | macaddr[2] = 0x00; |
| 5442 | macaddr[3] = 0x12; |
| 5443 | macaddr[4] = 0x34; |
| 5444 | macaddr[5] = 0x56 + nb_nics; |
| 5445 | |
| 5446 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { |
| 5447 | if (parse_macaddr(macaddr, buf) < 0) { |
| 5448 | fprintf(stderr, "invalid syntax for ethernet address\n"); |
| 5449 | return -1; |
| 5450 | } |
| 5451 | } |
| 5452 | if (get_param_value(buf, sizeof(buf), "model", p)) { |
| 5453 | nd->model = strdup(buf); |
| 5454 | } |
| 5455 | nd->vlan = vlan; |
| 5456 | nb_nics++; |
| 5457 | vlan->nb_guest_devs++; |
| 5458 | ret = 0; |
| 5459 | } else |
| 5460 | if (!strcmp(device, "none")) { |
| 5461 | /* does nothing. It is needed to signal that no network cards |
| 5462 | are wanted */ |
| 5463 | #if 1 /* ANDROID */ |
| 5464 | fprintf(stderr, "sorry, you need to enable the network to use the Android emulator\n"); |
| 5465 | return -1; |
| 5466 | #else |
| 5467 | ret = 0; |
| 5468 | #endif |
| 5469 | } else |
| 5470 | #ifdef CONFIG_SLIRP |
| 5471 | if (!strcmp(device, "user")) { |
| 5472 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { |
| 5473 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); |
| 5474 | } |
| 5475 | vlan->nb_host_devs++; |
| 5476 | ret = net_slirp_init(vlan); |
| 5477 | } else |
| 5478 | #endif |
| 5479 | #ifdef _WIN32 |
| 5480 | #if 0 |
| 5481 | if (!strcmp(device, "tap")) { |
| 5482 | char ifname[64]; |
| 5483 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
| 5484 | fprintf(stderr, "tap: no interface name\n"); |
| 5485 | return -1; |
| 5486 | } |
| 5487 | vlan->nb_host_devs++; |
| 5488 | ret = tap_win32_init(vlan, ifname); |
| 5489 | } else |
| 5490 | #endif |
| 5491 | #else |
| 5492 | if (!strcmp(device, "tap")) { |
| 5493 | char ifname[64]; |
| 5494 | char setup_script[1024], down_script[1024]; |
| 5495 | int fd; |
| 5496 | vlan->nb_host_devs++; |
| 5497 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
| 5498 | fd = strtol(buf, NULL, 0); |
| 5499 | socket_set_nonblock(fd); |
| 5500 | ret = -1; |
| 5501 | if (net_tap_fd_init(vlan, fd)) |
| 5502 | ret = 0; |
| 5503 | } else { |
| 5504 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { |
| 5505 | ifname[0] = '\0'; |
| 5506 | } |
| 5507 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { |
| 5508 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); |
| 5509 | } |
| 5510 | if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { |
| 5511 | pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT); |
| 5512 | } |
| 5513 | ret = net_tap_init(vlan, ifname, setup_script, down_script); |
| 5514 | } |
| 5515 | } else |
| 5516 | #endif |
| 5517 | if (!strcmp(device, "socket")) { |
| 5518 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { |
| 5519 | int fd; |
| 5520 | fd = strtol(buf, NULL, 0); |
| 5521 | ret = -1; |
| 5522 | if (net_socket_fd_init(vlan, fd, 1)) |
| 5523 | ret = 0; |
| 5524 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { |
| 5525 | ret = net_socket_listen_init(vlan, buf); |
| 5526 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { |
| 5527 | ret = net_socket_connect_init(vlan, buf); |
| 5528 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { |
| 5529 | ret = net_socket_mcast_init(vlan, buf); |
| 5530 | } else { |
| 5531 | fprintf(stderr, "Unknown socket options: %s\n", p); |
| 5532 | return -1; |
| 5533 | } |
| 5534 | vlan->nb_host_devs++; |
| 5535 | } else |
| 5536 | #ifdef CONFIG_VDE |
| 5537 | if (!strcmp(device, "vde")) { |
| 5538 | char vde_sock[1024], vde_group[512]; |
| 5539 | int vde_port, vde_mode; |
| 5540 | vlan->nb_host_devs++; |
| 5541 | if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { |
| 5542 | vde_sock[0] = '\0'; |
| 5543 | } |
| 5544 | if (get_param_value(buf, sizeof(buf), "port", p) > 0) { |
| 5545 | vde_port = strtol(buf, NULL, 10); |
| 5546 | } else { |
| 5547 | vde_port = 0; |
| 5548 | } |
| 5549 | if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { |
| 5550 | vde_group[0] = '\0'; |
| 5551 | } |
| 5552 | if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { |
| 5553 | vde_mode = strtol(buf, NULL, 8); |
| 5554 | } else { |
| 5555 | vde_mode = 0700; |
| 5556 | } |
| 5557 | ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode); |
| 5558 | } else |
| 5559 | #endif |
| 5560 | { |
| 5561 | fprintf(stderr, "Unknown network device: %s\n", device); |
| 5562 | return -1; |
| 5563 | } |
| 5564 | if (ret < 0) { |
| 5565 | fprintf(stderr, "Could not initialize device '%s'\n", device); |
| 5566 | } |
| 5567 | |
| 5568 | return ret; |
| 5569 | } |
| 5570 | |
| 5571 | static int net_client_parse(const char *str) |
| 5572 | { |
| 5573 | const char *p; |
| 5574 | char *q; |
| 5575 | char device[64]; |
| 5576 | |
| 5577 | p = str; |
| 5578 | q = device; |
| 5579 | while (*p != '\0' && *p != ',') { |
| 5580 | if ((q - device) < sizeof(device) - 1) |
| 5581 | *q++ = *p; |
| 5582 | p++; |
| 5583 | } |
| 5584 | *q = '\0'; |
| 5585 | if (*p == ',') |
| 5586 | p++; |
| 5587 | |
| 5588 | return net_client_init(device, p); |
| 5589 | } |
| 5590 | |
| 5591 | void do_info_network(void) |
| 5592 | { |
| 5593 | VLANState *vlan; |
| 5594 | VLANClientState *vc; |
| 5595 | |
| 5596 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 5597 | term_printf("VLAN %d devices:\n", vlan->id); |
| 5598 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) |
| 5599 | term_printf(" %s\n", vc->info_str); |
| 5600 | } |
| 5601 | } |
| 5602 | |
| 5603 | #define HD_ALIAS "index=%d,media=disk" |
| 5604 | #ifdef TARGET_PPC |
| 5605 | #define CDROM_ALIAS "index=1,media=cdrom" |
| 5606 | #else |
| 5607 | #define CDROM_ALIAS "index=2,media=cdrom" |
| 5608 | #endif |
| 5609 | #define FD_ALIAS "index=%d,if=floppy" |
| 5610 | #define PFLASH_ALIAS "if=pflash" |
| 5611 | #define MTD_ALIAS "if=mtd" |
| 5612 | #define SD_ALIAS "index=0,if=sd" |
| 5613 | |
| 5614 | static int drive_add(const char *file, const char *fmt, ...) |
| 5615 | { |
| 5616 | va_list ap; |
| 5617 | |
| 5618 | if (nb_drives_opt >= MAX_DRIVES) { |
| 5619 | fprintf(stderr, "qemu: too many drives\n"); |
| 5620 | exit(1); |
| 5621 | } |
| 5622 | |
| 5623 | drives_opt[nb_drives_opt].file = file; |
| 5624 | va_start(ap, fmt); |
| 5625 | vsnprintf(drives_opt[nb_drives_opt].opt, |
| 5626 | sizeof(drives_opt[0].opt), fmt, ap); |
| 5627 | va_end(ap); |
| 5628 | |
| 5629 | return nb_drives_opt++; |
| 5630 | } |
| 5631 | |
| 5632 | int drive_get_index(BlockInterfaceType type, int bus, int unit) |
| 5633 | { |
| 5634 | int index; |
| 5635 | |
| 5636 | /* seek interface, bus and unit */ |
| 5637 | |
| 5638 | for (index = 0; index < nb_drives; index++) |
| 5639 | if (drives_table[index].type == type && |
| 5640 | drives_table[index].bus == bus && |
| 5641 | drives_table[index].unit == unit) |
| 5642 | return index; |
| 5643 | |
| 5644 | return -1; |
| 5645 | } |
| 5646 | |
| 5647 | int drive_get_max_bus(BlockInterfaceType type) |
| 5648 | { |
| 5649 | int max_bus; |
| 5650 | int index; |
| 5651 | |
| 5652 | max_bus = -1; |
| 5653 | for (index = 0; index < nb_drives; index++) { |
| 5654 | if(drives_table[index].type == type && |
| 5655 | drives_table[index].bus > max_bus) |
| 5656 | max_bus = drives_table[index].bus; |
| 5657 | } |
| 5658 | return max_bus; |
| 5659 | } |
| 5660 | |
| 5661 | static void bdrv_format_print(void *opaque, const char *name) |
| 5662 | { |
| 5663 | fprintf(stderr, " %s", name); |
| 5664 | } |
| 5665 | |
| 5666 | static int drive_init(struct drive_opt *arg, int snapshot, |
| 5667 | QEMUMachine *machine) |
| 5668 | { |
| 5669 | char buf[128]; |
| 5670 | char file[1024]; |
| 5671 | char devname[128]; |
| 5672 | const char *mediastr = ""; |
| 5673 | BlockInterfaceType type; |
| 5674 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
| 5675 | int bus_id, unit_id; |
| 5676 | int cyls, heads, secs, translation; |
| 5677 | BlockDriverState *bdrv; |
| 5678 | BlockDriver *drv = NULL; |
| 5679 | int max_devs; |
| 5680 | int index; |
| 5681 | int cache; |
| 5682 | int bdrv_flags; |
| 5683 | char *str = arg->opt; |
| 5684 | static const char * const params[] = { "bus", "unit", "if", "index", |
| 5685 | "cyls", "heads", "secs", "trans", |
| 5686 | "media", "snapshot", "file", |
| 5687 | "cache", "format", NULL }; |
| 5688 | |
| 5689 | if (check_params(buf, sizeof(buf), params, str) < 0) { |
| 5690 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", |
| 5691 | buf, str); |
| 5692 | return -1; |
| 5693 | } |
| 5694 | |
| 5695 | file[0] = 0; |
| 5696 | cyls = heads = secs = 0; |
| 5697 | bus_id = 0; |
| 5698 | unit_id = -1; |
| 5699 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5700 | index = -1; |
| 5701 | cache = 1; |
| 5702 | |
| 5703 | if (!strcmp(machine->name, "realview") || |
| 5704 | !strcmp(machine->name, "SS-5") || |
| 5705 | !strcmp(machine->name, "SS-10") || |
| 5706 | !strcmp(machine->name, "SS-600MP") || |
| 5707 | !strcmp(machine->name, "versatilepb") || |
| 5708 | !strcmp(machine->name, "versatileab")) { |
| 5709 | type = IF_SCSI; |
| 5710 | max_devs = MAX_SCSI_DEVS; |
| 5711 | pstrcpy(devname, sizeof(devname), "scsi"); |
| 5712 | } else { |
| 5713 | type = IF_IDE; |
| 5714 | max_devs = MAX_IDE_DEVS; |
| 5715 | pstrcpy(devname, sizeof(devname), "ide"); |
| 5716 | } |
| 5717 | media = MEDIA_DISK; |
| 5718 | |
| 5719 | /* extract parameters */ |
| 5720 | |
| 5721 | if (get_param_value(buf, sizeof(buf), "bus", str)) { |
| 5722 | bus_id = strtol(buf, NULL, 0); |
| 5723 | if (bus_id < 0) { |
| 5724 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); |
| 5725 | return -1; |
| 5726 | } |
| 5727 | } |
| 5728 | |
| 5729 | if (get_param_value(buf, sizeof(buf), "unit", str)) { |
| 5730 | unit_id = strtol(buf, NULL, 0); |
| 5731 | if (unit_id < 0) { |
| 5732 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); |
| 5733 | return -1; |
| 5734 | } |
| 5735 | } |
| 5736 | |
| 5737 | if (get_param_value(buf, sizeof(buf), "if", str)) { |
| 5738 | pstrcpy(devname, sizeof(devname), buf); |
| 5739 | if (!strcmp(buf, "ide")) { |
| 5740 | type = IF_IDE; |
| 5741 | max_devs = MAX_IDE_DEVS; |
| 5742 | } else if (!strcmp(buf, "scsi")) { |
| 5743 | type = IF_SCSI; |
| 5744 | max_devs = MAX_SCSI_DEVS; |
| 5745 | } else if (!strcmp(buf, "floppy")) { |
| 5746 | type = IF_FLOPPY; |
| 5747 | max_devs = 0; |
| 5748 | } else if (!strcmp(buf, "pflash")) { |
| 5749 | type = IF_PFLASH; |
| 5750 | max_devs = 0; |
| 5751 | } else if (!strcmp(buf, "mtd")) { |
| 5752 | type = IF_MTD; |
| 5753 | max_devs = 0; |
| 5754 | } else if (!strcmp(buf, "sd")) { |
| 5755 | type = IF_SD; |
| 5756 | max_devs = 0; |
| 5757 | } else { |
| 5758 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); |
| 5759 | return -1; |
| 5760 | } |
| 5761 | } |
| 5762 | |
| 5763 | if (get_param_value(buf, sizeof(buf), "index", str)) { |
| 5764 | index = strtol(buf, NULL, 0); |
| 5765 | if (index < 0) { |
| 5766 | fprintf(stderr, "qemu: '%s' invalid index\n", str); |
| 5767 | return -1; |
| 5768 | } |
| 5769 | } |
| 5770 | |
| 5771 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
| 5772 | cyls = strtol(buf, NULL, 0); |
| 5773 | } |
| 5774 | |
| 5775 | if (get_param_value(buf, sizeof(buf), "heads", str)) { |
| 5776 | heads = strtol(buf, NULL, 0); |
| 5777 | } |
| 5778 | |
| 5779 | if (get_param_value(buf, sizeof(buf), "secs", str)) { |
| 5780 | secs = strtol(buf, NULL, 0); |
| 5781 | } |
| 5782 | |
| 5783 | if (cyls || heads || secs) { |
| 5784 | if (cyls < 1 || cyls > 16383) { |
| 5785 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); |
| 5786 | return -1; |
| 5787 | } |
| 5788 | if (heads < 1 || heads > 16) { |
| 5789 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); |
| 5790 | return -1; |
| 5791 | } |
| 5792 | if (secs < 1 || secs > 63) { |
| 5793 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); |
| 5794 | return -1; |
| 5795 | } |
| 5796 | } |
| 5797 | |
| 5798 | if (get_param_value(buf, sizeof(buf), "trans", str)) { |
| 5799 | if (!cyls) { |
| 5800 | fprintf(stderr, |
| 5801 | "qemu: '%s' trans must be used with cyls,heads and secs\n", |
| 5802 | str); |
| 5803 | return -1; |
| 5804 | } |
| 5805 | if (!strcmp(buf, "none")) |
| 5806 | translation = BIOS_ATA_TRANSLATION_NONE; |
| 5807 | else if (!strcmp(buf, "lba")) |
| 5808 | translation = BIOS_ATA_TRANSLATION_LBA; |
| 5809 | else if (!strcmp(buf, "auto")) |
| 5810 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5811 | else { |
| 5812 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); |
| 5813 | return -1; |
| 5814 | } |
| 5815 | } |
| 5816 | |
| 5817 | if (get_param_value(buf, sizeof(buf), "media", str)) { |
| 5818 | if (!strcmp(buf, "disk")) { |
| 5819 | media = MEDIA_DISK; |
| 5820 | } else if (!strcmp(buf, "cdrom")) { |
| 5821 | if (cyls || secs || heads) { |
| 5822 | fprintf(stderr, |
| 5823 | "qemu: '%s' invalid physical CHS format\n", str); |
| 5824 | return -1; |
| 5825 | } |
| 5826 | media = MEDIA_CDROM; |
| 5827 | } else { |
| 5828 | fprintf(stderr, "qemu: '%s' invalid media\n", str); |
| 5829 | return -1; |
| 5830 | } |
| 5831 | } |
| 5832 | |
| 5833 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
| 5834 | if (!strcmp(buf, "on")) |
| 5835 | snapshot = 1; |
| 5836 | else if (!strcmp(buf, "off")) |
| 5837 | snapshot = 0; |
| 5838 | else { |
| 5839 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); |
| 5840 | return -1; |
| 5841 | } |
| 5842 | } |
| 5843 | |
| 5844 | if (get_param_value(buf, sizeof(buf), "cache", str)) { |
| 5845 | if (!strcmp(buf, "off")) |
| 5846 | cache = 0; |
| 5847 | else if (!strcmp(buf, "on")) |
| 5848 | cache = 1; |
| 5849 | else { |
| 5850 | fprintf(stderr, "qemu: invalid cache option\n"); |
| 5851 | return -1; |
| 5852 | } |
| 5853 | } |
| 5854 | |
| 5855 | if (get_param_value(buf, sizeof(buf), "format", str)) { |
| 5856 | if (strcmp(buf, "?") == 0) { |
| 5857 | fprintf(stderr, "qemu: Supported formats:"); |
| 5858 | bdrv_iterate_format(bdrv_format_print, NULL); |
| 5859 | fprintf(stderr, "\n"); |
| 5860 | return -1; |
| 5861 | } |
| 5862 | drv = bdrv_find_format(buf); |
| 5863 | if (!drv) { |
| 5864 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); |
| 5865 | return -1; |
| 5866 | } |
| 5867 | } |
| 5868 | |
| 5869 | if (arg->file == NULL) |
| 5870 | get_param_value(file, sizeof(file), "file", str); |
| 5871 | else |
| 5872 | pstrcpy(file, sizeof(file), arg->file); |
| 5873 | |
| 5874 | /* compute bus and unit according index */ |
| 5875 | |
| 5876 | if (index != -1) { |
| 5877 | if (bus_id != 0 || unit_id != -1) { |
| 5878 | fprintf(stderr, |
| 5879 | "qemu: '%s' index cannot be used with bus and unit\n", str); |
| 5880 | return -1; |
| 5881 | } |
| 5882 | if (max_devs == 0) |
| 5883 | { |
| 5884 | unit_id = index; |
| 5885 | bus_id = 0; |
| 5886 | } else { |
| 5887 | unit_id = index % max_devs; |
| 5888 | bus_id = index / max_devs; |
| 5889 | } |
| 5890 | } |
| 5891 | |
| 5892 | /* if user doesn't specify a unit_id, |
| 5893 | * try to find the first free |
| 5894 | */ |
| 5895 | |
| 5896 | if (unit_id == -1) { |
| 5897 | unit_id = 0; |
| 5898 | while (drive_get_index(type, bus_id, unit_id) != -1) { |
| 5899 | unit_id++; |
| 5900 | if (max_devs && unit_id >= max_devs) { |
| 5901 | unit_id -= max_devs; |
| 5902 | bus_id++; |
| 5903 | } |
| 5904 | } |
| 5905 | } |
| 5906 | |
| 5907 | /* check unit id */ |
| 5908 | |
| 5909 | if (max_devs && unit_id >= max_devs) { |
| 5910 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", |
| 5911 | str, unit_id, max_devs - 1); |
| 5912 | return -1; |
| 5913 | } |
| 5914 | |
| 5915 | /* |
| 5916 | * ignore multiple definitions |
| 5917 | */ |
| 5918 | |
| 5919 | if (drive_get_index(type, bus_id, unit_id) != -1) |
| 5920 | return 0; |
| 5921 | |
| 5922 | /* init */ |
| 5923 | |
| 5924 | if (type == IF_IDE || type == IF_SCSI) |
| 5925 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
| 5926 | if (max_devs) |
| 5927 | snprintf(buf, sizeof(buf), "%s%i%s%i", |
| 5928 | devname, bus_id, mediastr, unit_id); |
| 5929 | else |
| 5930 | snprintf(buf, sizeof(buf), "%s%s%i", |
| 5931 | devname, mediastr, unit_id); |
| 5932 | bdrv = bdrv_new(buf); |
| 5933 | drives_table[nb_drives].bdrv = bdrv; |
| 5934 | drives_table[nb_drives].type = type; |
| 5935 | drives_table[nb_drives].bus = bus_id; |
| 5936 | drives_table[nb_drives].unit = unit_id; |
| 5937 | nb_drives++; |
| 5938 | |
| 5939 | switch(type) { |
| 5940 | case IF_IDE: |
| 5941 | case IF_SCSI: |
| 5942 | switch(media) { |
| 5943 | case MEDIA_DISK: |
| 5944 | if (cyls != 0) { |
| 5945 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
| 5946 | bdrv_set_translation_hint(bdrv, translation); |
| 5947 | } |
| 5948 | break; |
| 5949 | case MEDIA_CDROM: |
| 5950 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
| 5951 | break; |
| 5952 | } |
| 5953 | break; |
| 5954 | case IF_SD: |
| 5955 | /* FIXME: This isn't really a floppy, but it's a reasonable |
| 5956 | approximation. */ |
| 5957 | case IF_FLOPPY: |
| 5958 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
| 5959 | break; |
| 5960 | case IF_PFLASH: |
| 5961 | case IF_MTD: |
| 5962 | break; |
| 5963 | } |
| 5964 | if (!file[0]) |
| 5965 | return 0; |
| 5966 | bdrv_flags = 0; |
| 5967 | if (snapshot) |
| 5968 | bdrv_flags |= BDRV_O_SNAPSHOT; |
| 5969 | if (!cache) |
| 5970 | bdrv_flags |= BDRV_O_DIRECT; |
| 5971 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { |
| 5972 | fprintf(stderr, "qemu: could not open disk image %s\n", |
| 5973 | file); |
| 5974 | return -1; |
| 5975 | } |
| 5976 | return 0; |
| 5977 | } |
| 5978 | |
| 5979 | /***********************************************************/ |
| 5980 | /* USB devices */ |
| 5981 | |
| 5982 | static USBPort *used_usb_ports; |
| 5983 | static USBPort *free_usb_ports; |
| 5984 | |
| 5985 | /* ??? Maybe change this to register a hub to keep track of the topology. */ |
| 5986 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
| 5987 | usb_attachfn attach) |
| 5988 | { |
| 5989 | port->opaque = opaque; |
| 5990 | port->index = index; |
| 5991 | port->attach = attach; |
| 5992 | port->next = free_usb_ports; |
| 5993 | free_usb_ports = port; |
| 5994 | } |
| 5995 | |
| 5996 | int usb_device_add_dev(USBDevice *dev) |
| 5997 | { |
| 5998 | USBPort *port; |
| 5999 | |
| 6000 | /* Find a USB port to add the device to. */ |
| 6001 | port = free_usb_ports; |
| 6002 | if (!port->next) { |
| 6003 | USBDevice *hub; |
| 6004 | |
| 6005 | /* Create a new hub and chain it on. */ |
| 6006 | free_usb_ports = NULL; |
| 6007 | port->next = used_usb_ports; |
| 6008 | used_usb_ports = port; |
| 6009 | |
| 6010 | hub = usb_hub_init(VM_USB_HUB_SIZE); |
| 6011 | usb_attach(port, hub); |
| 6012 | port = free_usb_ports; |
| 6013 | } |
| 6014 | |
| 6015 | free_usb_ports = port->next; |
| 6016 | port->next = used_usb_ports; |
| 6017 | used_usb_ports = port; |
| 6018 | usb_attach(port, dev); |
| 6019 | return 0; |
| 6020 | } |
| 6021 | |
| 6022 | static int usb_device_add(const char *devname) |
| 6023 | { |
| 6024 | const char *p; |
| 6025 | USBDevice *dev; |
| 6026 | |
| 6027 | if (!free_usb_ports) |
| 6028 | return -1; |
| 6029 | |
| 6030 | if (strstart(devname, "host:", &p)) { |
| 6031 | dev = usb_host_device_open(p); |
| 6032 | } else if (!strcmp(devname, "mouse")) { |
| 6033 | dev = usb_mouse_init(); |
| 6034 | } else if (!strcmp(devname, "tablet")) { |
| 6035 | dev = usb_tablet_init(); |
| 6036 | } else if (!strcmp(devname, "keyboard")) { |
| 6037 | dev = usb_keyboard_init(); |
| 6038 | } else if (strstart(devname, "disk:", &p)) { |
| 6039 | dev = usb_msd_init(p); |
| 6040 | #if 0 |
| 6041 | } else if (!strcmp(devname, "wacom-tablet")) { |
| 6042 | dev = usb_wacom_init(); |
| 6043 | } else if (strstart(devname, "serial:", &p)) { |
| 6044 | dev = usb_serial_init(p); |
| 6045 | #ifdef CONFIG_BRLAPI |
| 6046 | } else if (!strcmp(devname, "braille")) { |
| 6047 | dev = usb_baum_init(); |
| 6048 | #endif |
| 6049 | } else if (strstart(devname, "net:", &p)) { |
| 6050 | int nic = nb_nics; |
| 6051 | |
| 6052 | if (net_client_init("nic", p) < 0) |
| 6053 | return -1; |
| 6054 | nd_table[nic].model = "usb"; |
| 6055 | dev = usb_net_init(&nd_table[nic]); |
| 6056 | #endif |
| 6057 | } else { |
| 6058 | return -1; |
| 6059 | } |
| 6060 | if (!dev) |
| 6061 | return -1; |
| 6062 | |
| 6063 | return usb_device_add_dev(dev); |
| 6064 | } |
| 6065 | |
| 6066 | int usb_device_del_addr(int bus_num, int addr) |
| 6067 | { |
| 6068 | USBPort *port; |
| 6069 | USBPort **lastp; |
| 6070 | USBDevice *dev; |
| 6071 | |
| 6072 | if (!used_usb_ports) |
| 6073 | return -1; |
| 6074 | |
| 6075 | if (bus_num != 0) |
| 6076 | return -1; |
| 6077 | |
| 6078 | lastp = &used_usb_ports; |
| 6079 | port = used_usb_ports; |
| 6080 | while (port && port->dev->addr != addr) { |
| 6081 | lastp = &port->next; |
| 6082 | port = port->next; |
| 6083 | } |
| 6084 | |
| 6085 | if (!port) |
| 6086 | return -1; |
| 6087 | |
| 6088 | dev = port->dev; |
| 6089 | *lastp = port->next; |
| 6090 | usb_attach(port, NULL); |
| 6091 | dev->handle_destroy(dev); |
| 6092 | port->next = free_usb_ports; |
| 6093 | free_usb_ports = port; |
| 6094 | return 0; |
| 6095 | } |
| 6096 | |
| 6097 | static int usb_device_del(const char *devname) |
| 6098 | { |
| 6099 | int bus_num, addr; |
| 6100 | const char *p; |
| 6101 | |
| 6102 | if (strstart(devname, "host:", &p)) |
| 6103 | return usb_host_device_close(p); |
| 6104 | |
| 6105 | if (!used_usb_ports) |
| 6106 | return -1; |
| 6107 | |
| 6108 | p = strchr(devname, '.'); |
| 6109 | if (!p) |
| 6110 | return -1; |
| 6111 | bus_num = strtoul(devname, NULL, 0); |
| 6112 | addr = strtoul(p + 1, NULL, 0); |
| 6113 | |
| 6114 | return usb_device_del_addr(bus_num, addr); |
| 6115 | } |
| 6116 | |
| 6117 | void do_usb_add(const char *devname) |
| 6118 | { |
| 6119 | usb_device_add(devname); |
| 6120 | } |
| 6121 | |
| 6122 | void do_usb_del(const char *devname) |
| 6123 | { |
| 6124 | usb_device_del(devname); |
| 6125 | } |
| 6126 | |
| 6127 | void usb_info(void) |
| 6128 | { |
| 6129 | USBDevice *dev; |
| 6130 | USBPort *port; |
| 6131 | const char *speed_str; |
| 6132 | |
| 6133 | if (!usb_enabled) { |
| 6134 | term_printf("USB support not enabled\n"); |
| 6135 | return; |
| 6136 | } |
| 6137 | |
| 6138 | for (port = used_usb_ports; port; port = port->next) { |
| 6139 | dev = port->dev; |
| 6140 | if (!dev) |
| 6141 | continue; |
| 6142 | switch(dev->speed) { |
| 6143 | case USB_SPEED_LOW: |
| 6144 | speed_str = "1.5"; |
| 6145 | break; |
| 6146 | case USB_SPEED_FULL: |
| 6147 | speed_str = "12"; |
| 6148 | break; |
| 6149 | case USB_SPEED_HIGH: |
| 6150 | speed_str = "480"; |
| 6151 | break; |
| 6152 | default: |
| 6153 | speed_str = "?"; |
| 6154 | break; |
| 6155 | } |
| 6156 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", |
| 6157 | 0, dev->addr, speed_str, dev->devname); |
| 6158 | } |
| 6159 | } |
| 6160 | |
| 6161 | /***********************************************************/ |
| 6162 | /* pid file */ |
| 6163 | |
| 6164 | static char *pid_filename; |
| 6165 | |
| 6166 | /* Remove PID file. Called on normal exit */ |
| 6167 | |
| 6168 | static void remove_pidfile(void) |
| 6169 | { |
| 6170 | unlink (pid_filename); |
| 6171 | } |
| 6172 | |
| 6173 | static void create_pidfile(const char *filename) |
| 6174 | { |
| 6175 | struct stat pidstat; |
| 6176 | FILE *f; |
| 6177 | |
| 6178 | /* Try to write our PID to the named file */ |
| 6179 | if (stat(filename, &pidstat) < 0) { |
| 6180 | if (errno == ENOENT) { |
| 6181 | if ((f = fopen (filename, "w")) == NULL) { |
| 6182 | perror("Opening pidfile"); |
| 6183 | exit(1); |
| 6184 | } |
| 6185 | fprintf(f, "%d\n", getpid()); |
| 6186 | fclose(f); |
| 6187 | pid_filename = qemu_strdup(filename); |
| 6188 | if (!pid_filename) { |
| 6189 | fprintf(stderr, "Could not save PID filename"); |
| 6190 | exit(1); |
| 6191 | } |
| 6192 | atexit(remove_pidfile); |
| 6193 | } |
| 6194 | } else { |
| 6195 | fprintf(stderr, "%s already exists. Remove it and try again.\n", |
| 6196 | filename); |
| 6197 | exit(1); |
| 6198 | } |
| 6199 | } |
| 6200 | |
| 6201 | /***********************************************************/ |
| 6202 | /* dumb display */ |
| 6203 | |
| 6204 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
| 6205 | { |
| 6206 | } |
| 6207 | |
| 6208 | static void dumb_resize(DisplayState *ds, int w, int h) |
| 6209 | { |
| 6210 | } |
| 6211 | |
| 6212 | static void dumb_refresh(DisplayState *ds) |
| 6213 | { |
| 6214 | #if defined(CONFIG_SDL) |
| 6215 | vga_hw_update(); |
| 6216 | #endif |
| 6217 | } |
| 6218 | |
| 6219 | static void dumb_display_init(DisplayState *ds) |
| 6220 | { |
| 6221 | ds->data = NULL; |
| 6222 | ds->linesize = 0; |
| 6223 | ds->depth = 0; |
| 6224 | ds->dpy_update = dumb_update; |
| 6225 | ds->dpy_resize = dumb_resize; |
| 6226 | ds->dpy_refresh = dumb_refresh; |
| 6227 | ds->gui_timer_interval = 500; |
| 6228 | ds->idle = 1; |
| 6229 | } |
| 6230 | |
| 6231 | /***********************************************************/ |
| 6232 | /* I/O handling */ |
| 6233 | |
| 6234 | #define MAX_IO_HANDLERS 64 |
| 6235 | |
| 6236 | typedef struct IOHandlerRecord { |
| 6237 | int fd; |
| 6238 | IOCanRWHandler *fd_read_poll; |
| 6239 | IOHandler *fd_read; |
| 6240 | IOHandler *fd_write; |
| 6241 | int deleted; |
| 6242 | void *opaque; |
| 6243 | /* temporary data */ |
| 6244 | struct pollfd *ufd; |
| 6245 | struct IOHandlerRecord *next; |
| 6246 | } IOHandlerRecord; |
| 6247 | |
| 6248 | static IOHandlerRecord *first_io_handler; |
| 6249 | |
| 6250 | /* XXX: fd_read_poll should be suppressed, but an API change is |
| 6251 | necessary in the character devices to suppress fd_can_read(). */ |
| 6252 | int qemu_set_fd_handler2(int fd, |
| 6253 | IOCanRWHandler *fd_read_poll, |
| 6254 | IOHandler *fd_read, |
| 6255 | IOHandler *fd_write, |
| 6256 | void *opaque) |
| 6257 | { |
| 6258 | IOHandlerRecord **pioh, *ioh; |
| 6259 | |
| 6260 | if (!fd_read && !fd_write) { |
| 6261 | pioh = &first_io_handler; |
| 6262 | for(;;) { |
| 6263 | ioh = *pioh; |
| 6264 | if (ioh == NULL) |
| 6265 | break; |
| 6266 | if (ioh->fd == fd) { |
| 6267 | ioh->deleted = 1; |
| 6268 | break; |
| 6269 | } |
| 6270 | pioh = &ioh->next; |
| 6271 | } |
| 6272 | } else { |
| 6273 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 6274 | if (ioh->fd == fd) |
| 6275 | goto found; |
| 6276 | } |
| 6277 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
| 6278 | if (!ioh) |
| 6279 | return -1; |
| 6280 | ioh->next = first_io_handler; |
| 6281 | first_io_handler = ioh; |
| 6282 | found: |
| 6283 | ioh->fd = fd; |
| 6284 | ioh->fd_read_poll = fd_read_poll; |
| 6285 | ioh->fd_read = fd_read; |
| 6286 | ioh->fd_write = fd_write; |
| 6287 | ioh->opaque = opaque; |
| 6288 | ioh->deleted = 0; |
| 6289 | } |
| 6290 | return 0; |
| 6291 | } |
| 6292 | |
| 6293 | int qemu_set_fd_handler(int fd, |
| 6294 | IOHandler *fd_read, |
| 6295 | IOHandler *fd_write, |
| 6296 | void *opaque) |
| 6297 | { |
| 6298 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
| 6299 | } |
| 6300 | |
| 6301 | /***********************************************************/ |
| 6302 | /* Polling handling */ |
| 6303 | |
| 6304 | typedef struct PollingEntry { |
| 6305 | PollingFunc *func; |
| 6306 | void *opaque; |
| 6307 | struct PollingEntry *next; |
| 6308 | } PollingEntry; |
| 6309 | |
| 6310 | static PollingEntry *first_polling_entry; |
| 6311 | |
| 6312 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
| 6313 | { |
| 6314 | PollingEntry **ppe, *pe; |
| 6315 | pe = qemu_mallocz(sizeof(PollingEntry)); |
| 6316 | if (!pe) |
| 6317 | return -1; |
| 6318 | pe->func = func; |
| 6319 | pe->opaque = opaque; |
| 6320 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
| 6321 | *ppe = pe; |
| 6322 | return 0; |
| 6323 | } |
| 6324 | |
| 6325 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
| 6326 | { |
| 6327 | PollingEntry **ppe, *pe; |
| 6328 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
| 6329 | pe = *ppe; |
| 6330 | if (pe->func == func && pe->opaque == opaque) { |
| 6331 | *ppe = pe->next; |
| 6332 | qemu_free(pe); |
| 6333 | break; |
| 6334 | } |
| 6335 | } |
| 6336 | } |
| 6337 | |
| 6338 | #ifdef _WIN32 |
| 6339 | /***********************************************************/ |
| 6340 | /* Wait objects support */ |
| 6341 | typedef struct WaitObjects { |
| 6342 | int num; |
| 6343 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; |
| 6344 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; |
| 6345 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
| 6346 | } WaitObjects; |
| 6347 | |
| 6348 | static WaitObjects wait_objects = {0}; |
| 6349 | |
| 6350 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 6351 | { |
| 6352 | WaitObjects *w = &wait_objects; |
| 6353 | |
| 6354 | if (w->num >= MAXIMUM_WAIT_OBJECTS) |
| 6355 | return -1; |
| 6356 | w->events[w->num] = handle; |
| 6357 | w->func[w->num] = func; |
| 6358 | w->opaque[w->num] = opaque; |
| 6359 | w->num++; |
| 6360 | return 0; |
| 6361 | } |
| 6362 | |
| 6363 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 6364 | { |
| 6365 | int i, found; |
| 6366 | WaitObjects *w = &wait_objects; |
| 6367 | |
| 6368 | found = 0; |
| 6369 | for (i = 0; i < w->num; i++) { |
| 6370 | if (w->events[i] == handle) |
| 6371 | found = 1; |
| 6372 | if (found) { |
| 6373 | w->events[i] = w->events[i + 1]; |
| 6374 | w->func[i] = w->func[i + 1]; |
| 6375 | w->opaque[i] = w->opaque[i + 1]; |
| 6376 | } |
| 6377 | } |
| 6378 | if (found) |
| 6379 | w->num--; |
| 6380 | } |
| 6381 | #endif |
| 6382 | |
| 6383 | /***********************************************************/ |
| 6384 | /* savevm/loadvm support */ |
| 6385 | |
| 6386 | #define IO_BUF_SIZE 32768 |
| 6387 | |
| 6388 | struct QEMUFile { |
| 6389 | FILE *outfile; |
| 6390 | BlockDriverState *bs; |
| 6391 | int is_file; |
| 6392 | int is_writable; |
| 6393 | int64_t base_offset; |
| 6394 | int64_t buf_offset; /* start of buffer when writing, end of buffer |
| 6395 | when reading */ |
| 6396 | int buf_index; |
| 6397 | int buf_size; /* 0 when writing */ |
| 6398 | uint8_t buf[IO_BUF_SIZE]; |
| 6399 | }; |
| 6400 | |
| 6401 | QEMUFile *qemu_fopen(const char *filename, const char *mode) |
| 6402 | { |
| 6403 | QEMUFile *f; |
| 6404 | |
| 6405 | f = qemu_mallocz(sizeof(QEMUFile)); |
| 6406 | if (!f) |
| 6407 | return NULL; |
| 6408 | if (!strcmp(mode, "wb")) { |
| 6409 | f->is_writable = 1; |
| 6410 | } else if (!strcmp(mode, "rb")) { |
| 6411 | f->is_writable = 0; |
| 6412 | } else { |
| 6413 | goto fail; |
| 6414 | } |
| 6415 | f->outfile = fopen(filename, mode); |
| 6416 | if (!f->outfile) |
| 6417 | goto fail; |
| 6418 | f->is_file = 1; |
| 6419 | return f; |
| 6420 | fail: |
| 6421 | if (f->outfile) |
| 6422 | fclose(f->outfile); |
| 6423 | qemu_free(f); |
| 6424 | return NULL; |
| 6425 | } |
| 6426 | |
| 6427 | static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) |
| 6428 | { |
| 6429 | QEMUFile *f; |
| 6430 | |
| 6431 | f = qemu_mallocz(sizeof(QEMUFile)); |
| 6432 | if (!f) |
| 6433 | return NULL; |
| 6434 | f->is_file = 0; |
| 6435 | f->bs = bs; |
| 6436 | f->is_writable = is_writable; |
| 6437 | f->base_offset = offset; |
| 6438 | return f; |
| 6439 | } |
| 6440 | |
| 6441 | void qemu_fflush(QEMUFile *f) |
| 6442 | { |
| 6443 | if (!f->is_writable) |
| 6444 | return; |
| 6445 | if (f->buf_index > 0) { |
| 6446 | if (f->is_file) { |
| 6447 | fseek(f->outfile, f->buf_offset, SEEK_SET); |
| 6448 | fwrite(f->buf, 1, f->buf_index, f->outfile); |
| 6449 | } else { |
| 6450 | bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, |
| 6451 | f->buf, f->buf_index); |
| 6452 | } |
| 6453 | f->buf_offset += f->buf_index; |
| 6454 | f->buf_index = 0; |
| 6455 | } |
| 6456 | } |
| 6457 | |
| 6458 | static void qemu_fill_buffer(QEMUFile *f) |
| 6459 | { |
| 6460 | int len; |
| 6461 | |
| 6462 | if (f->is_writable) |
| 6463 | return; |
| 6464 | if (f->is_file) { |
| 6465 | fseek(f->outfile, f->buf_offset, SEEK_SET); |
| 6466 | len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile); |
| 6467 | if (len < 0) |
| 6468 | len = 0; |
| 6469 | } else { |
| 6470 | len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, |
| 6471 | f->buf, IO_BUF_SIZE); |
| 6472 | if (len < 0) |
| 6473 | len = 0; |
| 6474 | } |
| 6475 | f->buf_index = 0; |
| 6476 | f->buf_size = len; |
| 6477 | f->buf_offset += len; |
| 6478 | } |
| 6479 | |
| 6480 | void qemu_fclose(QEMUFile *f) |
| 6481 | { |
| 6482 | if (f->is_writable) |
| 6483 | qemu_fflush(f); |
| 6484 | if (f->is_file) { |
| 6485 | fclose(f->outfile); |
| 6486 | } |
| 6487 | qemu_free(f); |
| 6488 | } |
| 6489 | |
| 6490 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
| 6491 | { |
| 6492 | int l; |
| 6493 | while (size > 0) { |
| 6494 | l = IO_BUF_SIZE - f->buf_index; |
| 6495 | if (l > size) |
| 6496 | l = size; |
| 6497 | memcpy(f->buf + f->buf_index, buf, l); |
| 6498 | f->buf_index += l; |
| 6499 | buf += l; |
| 6500 | size -= l; |
| 6501 | if (f->buf_index >= IO_BUF_SIZE) |
| 6502 | qemu_fflush(f); |
| 6503 | } |
| 6504 | } |
| 6505 | |
| 6506 | void qemu_put_byte(QEMUFile *f, int v) |
| 6507 | { |
| 6508 | f->buf[f->buf_index++] = v; |
| 6509 | if (f->buf_index >= IO_BUF_SIZE) |
| 6510 | qemu_fflush(f); |
| 6511 | } |
| 6512 | |
| 6513 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) |
| 6514 | { |
| 6515 | int size, l; |
| 6516 | |
| 6517 | size = size1; |
| 6518 | while (size > 0) { |
| 6519 | l = f->buf_size - f->buf_index; |
| 6520 | if (l == 0) { |
| 6521 | qemu_fill_buffer(f); |
| 6522 | l = f->buf_size - f->buf_index; |
| 6523 | if (l == 0) |
| 6524 | break; |
| 6525 | } |
| 6526 | if (l > size) |
| 6527 | l = size; |
| 6528 | memcpy(buf, f->buf + f->buf_index, l); |
| 6529 | f->buf_index += l; |
| 6530 | buf += l; |
| 6531 | size -= l; |
| 6532 | } |
| 6533 | return size1 - size; |
| 6534 | } |
| 6535 | |
| 6536 | int qemu_get_byte(QEMUFile *f) |
| 6537 | { |
| 6538 | if (f->buf_index >= f->buf_size) { |
| 6539 | qemu_fill_buffer(f); |
| 6540 | if (f->buf_index >= f->buf_size) |
| 6541 | return 0; |
| 6542 | } |
| 6543 | return f->buf[f->buf_index++]; |
| 6544 | } |
| 6545 | |
| 6546 | int64_t qemu_ftell(QEMUFile *f) |
| 6547 | { |
| 6548 | return f->buf_offset - f->buf_size + f->buf_index; |
| 6549 | } |
| 6550 | |
| 6551 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) |
| 6552 | { |
| 6553 | if (whence == SEEK_SET) { |
| 6554 | /* nothing to do */ |
| 6555 | } else if (whence == SEEK_CUR) { |
| 6556 | pos += qemu_ftell(f); |
| 6557 | } else { |
| 6558 | /* SEEK_END not supported */ |
| 6559 | return -1; |
| 6560 | } |
| 6561 | if (f->is_writable) { |
| 6562 | qemu_fflush(f); |
| 6563 | f->buf_offset = pos; |
| 6564 | } else { |
| 6565 | f->buf_offset = pos; |
| 6566 | f->buf_index = 0; |
| 6567 | f->buf_size = 0; |
| 6568 | } |
| 6569 | return pos; |
| 6570 | } |
| 6571 | |
| 6572 | void qemu_put_be16(QEMUFile *f, unsigned int v) |
| 6573 | { |
| 6574 | qemu_put_byte(f, v >> 8); |
| 6575 | qemu_put_byte(f, v); |
| 6576 | } |
| 6577 | |
| 6578 | void qemu_put_be32(QEMUFile *f, unsigned int v) |
| 6579 | { |
| 6580 | qemu_put_byte(f, v >> 24); |
| 6581 | qemu_put_byte(f, v >> 16); |
| 6582 | qemu_put_byte(f, v >> 8); |
| 6583 | qemu_put_byte(f, v); |
| 6584 | } |
| 6585 | |
| 6586 | void qemu_put_be64(QEMUFile *f, uint64_t v) |
| 6587 | { |
| 6588 | qemu_put_be32(f, v >> 32); |
| 6589 | qemu_put_be32(f, v); |
| 6590 | } |
| 6591 | |
| 6592 | unsigned int qemu_get_be16(QEMUFile *f) |
| 6593 | { |
| 6594 | unsigned int v; |
| 6595 | v = qemu_get_byte(f) << 8; |
| 6596 | v |= qemu_get_byte(f); |
| 6597 | return v; |
| 6598 | } |
| 6599 | |
| 6600 | unsigned int qemu_get_be32(QEMUFile *f) |
| 6601 | { |
| 6602 | unsigned int v; |
| 6603 | v = qemu_get_byte(f) << 24; |
| 6604 | v |= qemu_get_byte(f) << 16; |
| 6605 | v |= qemu_get_byte(f) << 8; |
| 6606 | v |= qemu_get_byte(f); |
| 6607 | return v; |
| 6608 | } |
| 6609 | |
| 6610 | uint64_t qemu_get_be64(QEMUFile *f) |
| 6611 | { |
| 6612 | uint64_t v; |
| 6613 | v = (uint64_t)qemu_get_be32(f) << 32; |
| 6614 | v |= qemu_get_be32(f); |
| 6615 | return v; |
| 6616 | } |
| 6617 | |
| 6618 | void qemu_put_struct(QEMUFile* f, const QField* fields, const void* s) |
| 6619 | { |
| 6620 | const QField* qf = fields; |
| 6621 | |
| 6622 | for (;;) { |
| 6623 | uint8_t* p = (uint8_t*)s + qf->offset; |
| 6624 | |
| 6625 | switch (qf->type) { |
| 6626 | case Q_FIELD_END: |
| 6627 | break; |
| 6628 | case Q_FIELD_BYTE: |
| 6629 | qemu_put_byte(f, p[0]); |
| 6630 | break; |
| 6631 | case Q_FIELD_INT16: |
| 6632 | qemu_put_be16(f, ((uint16_t*)p)[0]); |
| 6633 | break; |
| 6634 | case Q_FIELD_INT32: |
| 6635 | qemu_put_be32(f, ((uint32_t*)p)[0]); |
| 6636 | break; |
| 6637 | case Q_FIELD_INT64: |
| 6638 | qemu_put_be64(f, ((uint64_t*)p)[0]); |
| 6639 | break; |
| 6640 | case Q_FIELD_BUFFER: |
| 6641 | if (fields[1].type != Q_FIELD_BUFFER_SIZE || |
| 6642 | fields[2].type != Q_FIELD_BUFFER_SIZE) |
| 6643 | { |
| 6644 | fprintf(stderr, "%s: invalid QFIELD_BUFFER item passed as argument. aborting\n", |
| 6645 | __FUNCTION__ ); |
| 6646 | exit(1); |
| 6647 | } |
| 6648 | else |
| 6649 | { |
| 6650 | uint32_t size = ((uint32_t)fields[1].offset << 16) | (uint32_t)fields[2].offset; |
| 6651 | |
| 6652 | qemu_put_buffer(f, p, size); |
| 6653 | qf += 2; |
| 6654 | } |
| 6655 | break; |
| 6656 | default: |
| 6657 | fprintf(stderr, "%s: invalid fields list passed as argument. aborting\n", __FUNCTION__); |
| 6658 | exit(1); |
| 6659 | } |
| 6660 | qf++; |
| 6661 | } |
| 6662 | } |
| 6663 | |
| 6664 | int qemu_get_struct(QEMUFile* f, const QField* fields, void* s) |
| 6665 | { |
| 6666 | const QField* qf = fields; |
| 6667 | |
| 6668 | for (;;) { |
| 6669 | uint8_t* p = (uint8_t*)s + qf->offset; |
| 6670 | |
| 6671 | switch (qf->type) { |
| 6672 | case Q_FIELD_END: |
| 6673 | break; |
| 6674 | case Q_FIELD_BYTE: |
| 6675 | p[0] = qemu_get_byte(f); |
| 6676 | break; |
| 6677 | case Q_FIELD_INT16: |
| 6678 | ((uint16_t*)p)[0] = qemu_get_be16(f); |
| 6679 | break; |
| 6680 | case Q_FIELD_INT32: |
| 6681 | ((uint32_t*)p)[0] = qemu_get_be32(f); |
| 6682 | break; |
| 6683 | case Q_FIELD_INT64: |
| 6684 | ((uint64_t*)p)[0] = qemu_get_be64(f); |
| 6685 | break; |
| 6686 | case Q_FIELD_BUFFER: |
| 6687 | if (fields[1].type != Q_FIELD_BUFFER_SIZE || |
| 6688 | fields[2].type != Q_FIELD_BUFFER_SIZE) |
| 6689 | { |
| 6690 | fprintf(stderr, "%s: invalid QFIELD_BUFFER item passed as argument.\n", |
| 6691 | __FUNCTION__ ); |
| 6692 | return -1; |
| 6693 | } |
| 6694 | else |
| 6695 | { |
| 6696 | uint32_t size = ((uint32_t)fields[1].offset << 16) | (uint32_t)fields[2].offset; |
| 6697 | int ret = qemu_get_buffer(f, p, size); |
| 6698 | |
| 6699 | if (ret != size) { |
| 6700 | fprintf(stderr, "%s: not enough bytes to load structure\n", __FUNCTION__); |
| 6701 | return -1; |
| 6702 | } |
| 6703 | qf += 2; |
| 6704 | } |
| 6705 | break; |
| 6706 | default: |
| 6707 | fprintf(stderr, "%s: invalid fields list passed as argument. aborting\n", __FUNCTION__); |
| 6708 | exit(1); |
| 6709 | } |
| 6710 | qf++; |
| 6711 | } |
| 6712 | return 0; |
| 6713 | } |
| 6714 | |
| 6715 | typedef struct SaveStateEntry { |
| 6716 | char idstr[256]; |
| 6717 | int instance_id; |
| 6718 | int version_id; |
| 6719 | SaveStateHandler *save_state; |
| 6720 | LoadStateHandler *load_state; |
| 6721 | void *opaque; |
| 6722 | struct SaveStateEntry *next; |
| 6723 | } SaveStateEntry; |
| 6724 | |
| 6725 | static SaveStateEntry *first_se; |
| 6726 | |
| 6727 | /* TODO: Individual devices generally have very little idea about the rest |
| 6728 | of the system, so instance_id should be removed/replaced. |
| 6729 | Meanwhile pass -1 as instance_id if you do not already have a clearly |
| 6730 | distinguishing id for all instances of your device class. */ |
| 6731 | int register_savevm(const char *idstr, |
| 6732 | int instance_id, |
| 6733 | int version_id, |
| 6734 | SaveStateHandler *save_state, |
| 6735 | LoadStateHandler *load_state, |
| 6736 | void *opaque) |
| 6737 | { |
| 6738 | SaveStateEntry *se, **pse; |
| 6739 | |
| 6740 | se = qemu_malloc(sizeof(SaveStateEntry)); |
| 6741 | if (!se) |
| 6742 | return -1; |
| 6743 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); |
| 6744 | se->instance_id = (instance_id == -1) ? 0 : instance_id; |
| 6745 | se->version_id = version_id; |
| 6746 | se->save_state = save_state; |
| 6747 | se->load_state = load_state; |
| 6748 | se->opaque = opaque; |
| 6749 | se->next = NULL; |
| 6750 | |
| 6751 | /* add at the end of list */ |
| 6752 | pse = &first_se; |
| 6753 | while (*pse != NULL) { |
| 6754 | if (instance_id == -1 |
| 6755 | && strcmp(se->idstr, (*pse)->idstr) == 0 |
| 6756 | && se->instance_id <= (*pse)->instance_id) |
| 6757 | se->instance_id = (*pse)->instance_id + 1; |
| 6758 | pse = &(*pse)->next; |
| 6759 | } |
| 6760 | *pse = se; |
| 6761 | return 0; |
| 6762 | } |
| 6763 | |
| 6764 | #define QEMU_VM_FILE_MAGIC 0x5145564d |
| 6765 | #define QEMU_VM_FILE_VERSION 0x00000002 |
| 6766 | |
| 6767 | static int qemu_savevm_state(QEMUFile *f) |
| 6768 | { |
| 6769 | SaveStateEntry *se; |
| 6770 | int len, ret; |
| 6771 | int64_t cur_pos, len_pos, total_len_pos; |
| 6772 | |
| 6773 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
| 6774 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
| 6775 | total_len_pos = qemu_ftell(f); |
| 6776 | qemu_put_be64(f, 0); /* total size */ |
| 6777 | |
| 6778 | for(se = first_se; se != NULL; se = se->next) { |
| 6779 | if (se->save_state == NULL) |
| 6780 | /* this one has a loader only, for backwards compatibility */ |
| 6781 | continue; |
| 6782 | |
| 6783 | /* ID string */ |
| 6784 | len = strlen(se->idstr); |
| 6785 | qemu_put_byte(f, len); |
| 6786 | qemu_put_buffer(f, (uint8_t *)se->idstr, len); |
| 6787 | |
| 6788 | qemu_put_be32(f, se->instance_id); |
| 6789 | qemu_put_be32(f, se->version_id); |
| 6790 | |
| 6791 | /* record size: filled later */ |
| 6792 | len_pos = qemu_ftell(f); |
| 6793 | qemu_put_be32(f, 0); |
| 6794 | se->save_state(f, se->opaque); |
| 6795 | |
| 6796 | /* fill record size */ |
| 6797 | cur_pos = qemu_ftell(f); |
| 6798 | len = cur_pos - len_pos - 4; |
| 6799 | qemu_fseek(f, len_pos, SEEK_SET); |
| 6800 | qemu_put_be32(f, len); |
| 6801 | qemu_fseek(f, cur_pos, SEEK_SET); |
| 6802 | } |
| 6803 | cur_pos = qemu_ftell(f); |
| 6804 | qemu_fseek(f, total_len_pos, SEEK_SET); |
| 6805 | qemu_put_be64(f, cur_pos - total_len_pos - 8); |
| 6806 | qemu_fseek(f, cur_pos, SEEK_SET); |
| 6807 | |
| 6808 | ret = 0; |
| 6809 | return ret; |
| 6810 | } |
| 6811 | |
| 6812 | static SaveStateEntry *find_se(const char *idstr, int instance_id) |
| 6813 | { |
| 6814 | SaveStateEntry *se; |
| 6815 | |
| 6816 | for(se = first_se; se != NULL; se = se->next) { |
| 6817 | if (!strcmp(se->idstr, idstr) && |
| 6818 | instance_id == se->instance_id) |
| 6819 | return se; |
| 6820 | } |
| 6821 | return NULL; |
| 6822 | } |
| 6823 | |
| 6824 | static int qemu_loadvm_state(QEMUFile *f) |
| 6825 | { |
| 6826 | SaveStateEntry *se; |
| 6827 | int len, ret, instance_id, record_len, version_id; |
| 6828 | int64_t total_len, end_pos, cur_pos; |
| 6829 | unsigned int v; |
| 6830 | char idstr[256]; |
| 6831 | |
| 6832 | v = qemu_get_be32(f); |
| 6833 | if (v != QEMU_VM_FILE_MAGIC) |
| 6834 | goto fail; |
| 6835 | v = qemu_get_be32(f); |
| 6836 | if (v != QEMU_VM_FILE_VERSION) { |
| 6837 | fail: |
| 6838 | ret = -1; |
| 6839 | goto the_end; |
| 6840 | } |
| 6841 | total_len = qemu_get_be64(f); |
| 6842 | end_pos = total_len + qemu_ftell(f); |
| 6843 | for(;;) { |
| 6844 | if (qemu_ftell(f) >= end_pos) |
| 6845 | break; |
| 6846 | len = qemu_get_byte(f); |
| 6847 | qemu_get_buffer(f, (uint8_t *)idstr, len); |
| 6848 | idstr[len] = '\0'; |
| 6849 | instance_id = qemu_get_be32(f); |
| 6850 | version_id = qemu_get_be32(f); |
| 6851 | record_len = qemu_get_be32(f); |
| 6852 | #if 0 |
| 6853 | printf("idstr=%s instance=0x%x version=%d len=%d\n", |
| 6854 | idstr, instance_id, version_id, record_len); |
| 6855 | #endif |
| 6856 | cur_pos = qemu_ftell(f); |
| 6857 | se = find_se(idstr, instance_id); |
| 6858 | if (!se) { |
| 6859 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", |
| 6860 | instance_id, idstr); |
| 6861 | } else { |
| 6862 | ret = se->load_state(f, se->opaque, version_id); |
| 6863 | if (ret < 0) { |
| 6864 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", |
| 6865 | instance_id, idstr); |
| 6866 | } |
| 6867 | } |
| 6868 | /* always seek to exact end of record */ |
| 6869 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
| 6870 | } |
| 6871 | ret = 0; |
| 6872 | the_end: |
| 6873 | return ret; |
| 6874 | } |
| 6875 | |
| 6876 | /* device can contain snapshots */ |
| 6877 | static int bdrv_can_snapshot(BlockDriverState *bs) |
| 6878 | { |
| 6879 | return (bs && |
| 6880 | !bdrv_is_removable(bs) && |
| 6881 | !bdrv_is_read_only(bs)); |
| 6882 | } |
| 6883 | |
| 6884 | /* device must be snapshots in order to have a reliable snapshot */ |
| 6885 | static int bdrv_has_snapshot(BlockDriverState *bs) |
| 6886 | { |
| 6887 | return (bs && |
| 6888 | !bdrv_is_removable(bs) && |
| 6889 | !bdrv_is_read_only(bs)); |
| 6890 | } |
| 6891 | |
| 6892 | static BlockDriverState *get_bs_snapshots(void) |
| 6893 | { |
| 6894 | BlockDriverState *bs; |
| 6895 | int i; |
| 6896 | |
| 6897 | if (bs_snapshots) |
| 6898 | return bs_snapshots; |
| 6899 | for(i = 0; i <= nb_drives; i++) { |
| 6900 | bs = drives_table[i].bdrv; |
| 6901 | if (bdrv_can_snapshot(bs)) |
| 6902 | goto ok; |
| 6903 | } |
| 6904 | return NULL; |
| 6905 | ok: |
| 6906 | bs_snapshots = bs; |
| 6907 | return bs; |
| 6908 | } |
| 6909 | |
| 6910 | static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, |
| 6911 | const char *name) |
| 6912 | { |
| 6913 | QEMUSnapshotInfo *sn_tab, *sn; |
| 6914 | int nb_sns, i, ret; |
| 6915 | |
| 6916 | ret = -ENOENT; |
| 6917 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
| 6918 | if (nb_sns < 0) |
| 6919 | return ret; |
| 6920 | for(i = 0; i < nb_sns; i++) { |
| 6921 | sn = &sn_tab[i]; |
| 6922 | if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { |
| 6923 | *sn_info = *sn; |
| 6924 | ret = 0; |
| 6925 | break; |
| 6926 | } |
| 6927 | } |
| 6928 | qemu_free(sn_tab); |
| 6929 | return ret; |
| 6930 | } |
| 6931 | |
| 6932 | void do_savevm(const char *name) |
| 6933 | { |
| 6934 | BlockDriverState *bs, *bs1; |
| 6935 | QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; |
| 6936 | int must_delete, ret, i; |
| 6937 | BlockDriverInfo bdi1, *bdi = &bdi1; |
| 6938 | QEMUFile *f; |
| 6939 | int saved_vm_running; |
| 6940 | #ifdef _WIN32 |
| 6941 | struct _timeb tb; |
| 6942 | #else |
| 6943 | struct timeval tv; |
| 6944 | #endif |
| 6945 | |
| 6946 | bs = get_bs_snapshots(); |
| 6947 | if (!bs) { |
| 6948 | term_printf("No block device can accept snapshots\n"); |
| 6949 | return; |
| 6950 | } |
| 6951 | |
| 6952 | /* ??? Should this occur after vm_stop? */ |
| 6953 | qemu_aio_flush(); |
| 6954 | |
| 6955 | saved_vm_running = vm_running; |
| 6956 | vm_stop(0); |
| 6957 | |
| 6958 | must_delete = 0; |
| 6959 | if (name) { |
| 6960 | ret = bdrv_snapshot_find(bs, old_sn, name); |
| 6961 | if (ret >= 0) { |
| 6962 | must_delete = 1; |
| 6963 | } |
| 6964 | } |
| 6965 | memset(sn, 0, sizeof(*sn)); |
| 6966 | if (must_delete) { |
| 6967 | pstrcpy(sn->name, sizeof(sn->name), old_sn->name); |
| 6968 | pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); |
| 6969 | } else { |
| 6970 | if (name) |
| 6971 | pstrcpy(sn->name, sizeof(sn->name), name); |
| 6972 | } |
| 6973 | |
| 6974 | /* fill auxiliary fields */ |
| 6975 | #ifdef _WIN32 |
| 6976 | _ftime(&tb); |
| 6977 | sn->date_sec = tb.time; |
| 6978 | sn->date_nsec = tb.millitm * 1000000; |
| 6979 | #else |
| 6980 | gettimeofday(&tv, NULL); |
| 6981 | sn->date_sec = tv.tv_sec; |
| 6982 | sn->date_nsec = tv.tv_usec * 1000; |
| 6983 | #endif |
| 6984 | sn->vm_clock_nsec = qemu_get_clock(vm_clock); |
| 6985 | |
| 6986 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
| 6987 | term_printf("Device %s does not support VM state snapshots\n", |
| 6988 | bdrv_get_device_name(bs)); |
| 6989 | goto the_end; |
| 6990 | } |
| 6991 | |
| 6992 | /* save the VM state */ |
| 6993 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); |
| 6994 | if (!f) { |
| 6995 | term_printf("Could not open VM state file\n"); |
| 6996 | goto the_end; |
| 6997 | } |
| 6998 | ret = qemu_savevm_state(f); |
| 6999 | sn->vm_state_size = qemu_ftell(f); |
| 7000 | qemu_fclose(f); |
| 7001 | if (ret < 0) { |
| 7002 | term_printf("Error %d while writing VM\n", ret); |
| 7003 | goto the_end; |
| 7004 | } |
| 7005 | |
| 7006 | /* create the snapshots */ |
| 7007 | |
| 7008 | for(i = 0; i < nb_drives; i++) { |
| 7009 | bs1 = drives_table[i].bdrv; |
| 7010 | if (bdrv_has_snapshot(bs1)) { |
| 7011 | if (must_delete) { |
| 7012 | ret = bdrv_snapshot_delete(bs1, old_sn->id_str); |
| 7013 | if (ret < 0) { |
| 7014 | term_printf("Error while deleting snapshot on '%s'\n", |
| 7015 | bdrv_get_device_name(bs1)); |
| 7016 | } |
| 7017 | } |
| 7018 | ret = bdrv_snapshot_create(bs1, sn); |
| 7019 | if (ret < 0) { |
| 7020 | term_printf("Error while creating snapshot on '%s'\n", |
| 7021 | bdrv_get_device_name(bs1)); |
| 7022 | } |
| 7023 | } |
| 7024 | } |
| 7025 | |
| 7026 | the_end: |
| 7027 | if (saved_vm_running) |
| 7028 | vm_start(); |
| 7029 | } |
| 7030 | |
| 7031 | void do_loadvm(const char *name) |
| 7032 | { |
| 7033 | BlockDriverState *bs, *bs1; |
| 7034 | BlockDriverInfo bdi1, *bdi = &bdi1; |
| 7035 | QEMUFile *f; |
| 7036 | int i, ret; |
| 7037 | int saved_vm_running; |
| 7038 | |
| 7039 | bs = get_bs_snapshots(); |
| 7040 | if (!bs) { |
| 7041 | term_printf("No block device supports snapshots\n"); |
| 7042 | return; |
| 7043 | } |
| 7044 | |
| 7045 | /* Flush all IO requests so they don't interfere with the new state. */ |
| 7046 | qemu_aio_flush(); |
| 7047 | |
| 7048 | saved_vm_running = vm_running; |
| 7049 | vm_stop(0); |
| 7050 | |
| 7051 | for(i = 0; i <= nb_drives; i++) { |
| 7052 | bs1 = drives_table[i].bdrv; |
| 7053 | if (bdrv_has_snapshot(bs1)) { |
| 7054 | ret = bdrv_snapshot_goto(bs1, name); |
| 7055 | if (ret < 0) { |
| 7056 | if (bs != bs1) |
| 7057 | term_printf("Warning: "); |
| 7058 | switch(ret) { |
| 7059 | case -ENOTSUP: |
| 7060 | term_printf("Snapshots not supported on device '%s'\n", |
| 7061 | bdrv_get_device_name(bs1)); |
| 7062 | break; |
| 7063 | case -ENOENT: |
| 7064 | term_printf("Could not find snapshot '%s' on device '%s'\n", |
| 7065 | name, bdrv_get_device_name(bs1)); |
| 7066 | break; |
| 7067 | default: |
| 7068 | term_printf("Error %d while activating snapshot on '%s'\n", |
| 7069 | ret, bdrv_get_device_name(bs1)); |
| 7070 | break; |
| 7071 | } |
| 7072 | /* fatal on snapshot block device */ |
| 7073 | if (bs == bs1) |
| 7074 | goto the_end; |
| 7075 | } |
| 7076 | } |
| 7077 | } |
| 7078 | |
| 7079 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { |
| 7080 | term_printf("Device %s does not support VM state snapshots\n", |
| 7081 | bdrv_get_device_name(bs)); |
| 7082 | return; |
| 7083 | } |
| 7084 | |
| 7085 | /* restore the VM state */ |
| 7086 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); |
| 7087 | if (!f) { |
| 7088 | term_printf("Could not open VM state file\n"); |
| 7089 | goto the_end; |
| 7090 | } |
| 7091 | ret = qemu_loadvm_state(f); |
| 7092 | qemu_fclose(f); |
| 7093 | if (ret < 0) { |
| 7094 | term_printf("Error %d while loading VM state\n", ret); |
| 7095 | } |
| 7096 | the_end: |
| 7097 | if (saved_vm_running) |
| 7098 | vm_start(); |
| 7099 | } |
| 7100 | |
| 7101 | void do_delvm(const char *name) |
| 7102 | { |
| 7103 | BlockDriverState *bs, *bs1; |
| 7104 | int i, ret; |
| 7105 | |
| 7106 | bs = get_bs_snapshots(); |
| 7107 | if (!bs) { |
| 7108 | term_printf("No block device supports snapshots\n"); |
| 7109 | return; |
| 7110 | } |
| 7111 | |
| 7112 | for(i = 0; i <= nb_drives; i++) { |
| 7113 | bs1 = drives_table[i].bdrv; |
| 7114 | if (bdrv_has_snapshot(bs1)) { |
| 7115 | ret = bdrv_snapshot_delete(bs1, name); |
| 7116 | if (ret < 0) { |
| 7117 | if (ret == -ENOTSUP) |
| 7118 | term_printf("Snapshots not supported on device '%s'\n", |
| 7119 | bdrv_get_device_name(bs1)); |
| 7120 | else |
| 7121 | term_printf("Error %d while deleting snapshot on '%s'\n", |
| 7122 | ret, bdrv_get_device_name(bs1)); |
| 7123 | } |
| 7124 | } |
| 7125 | } |
| 7126 | } |
| 7127 | |
| 7128 | void do_info_snapshots(void) |
| 7129 | { |
| 7130 | BlockDriverState *bs, *bs1; |
| 7131 | QEMUSnapshotInfo *sn_tab, *sn; |
| 7132 | int nb_sns, i; |
| 7133 | char buf[256]; |
| 7134 | |
| 7135 | bs = get_bs_snapshots(); |
| 7136 | if (!bs) { |
| 7137 | term_printf("No available block device supports snapshots\n"); |
| 7138 | return; |
| 7139 | } |
| 7140 | term_printf("Snapshot devices:"); |
| 7141 | for(i = 0; i <= nb_drives; i++) { |
| 7142 | bs1 = drives_table[i].bdrv; |
| 7143 | if (bdrv_has_snapshot(bs1)) { |
| 7144 | if (bs == bs1) |
| 7145 | term_printf(" %s", bdrv_get_device_name(bs1)); |
| 7146 | } |
| 7147 | } |
| 7148 | term_printf("\n"); |
| 7149 | |
| 7150 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
| 7151 | if (nb_sns < 0) { |
| 7152 | term_printf("bdrv_snapshot_list: error %d\n", nb_sns); |
| 7153 | return; |
| 7154 | } |
| 7155 | term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); |
| 7156 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
| 7157 | for(i = 0; i < nb_sns; i++) { |
| 7158 | sn = &sn_tab[i]; |
| 7159 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
| 7160 | } |
| 7161 | qemu_free(sn_tab); |
| 7162 | } |
| 7163 | |
| 7164 | /***********************************************************/ |
| 7165 | /* ram save/restore */ |
| 7166 | /* we just avoid storing empty pages */ |
| 7167 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) |
| 7168 | { |
| 7169 | int i, v; |
| 7170 | |
| 7171 | v = buf[0]; |
| 7172 | for(i = 1; i < len; i++) { |
| 7173 | if (buf[i] != v) |
| 7174 | goto normal_save; |
| 7175 | } |
| 7176 | qemu_put_byte(f, 1); |
| 7177 | qemu_put_byte(f, v); |
| 7178 | return; |
| 7179 | normal_save: |
| 7180 | qemu_put_byte(f, 0); |
| 7181 | qemu_put_buffer(f, buf, len); |
| 7182 | } |
| 7183 | |
| 7184 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
| 7185 | { |
| 7186 | int v; |
| 7187 | |
| 7188 | v = qemu_get_byte(f); |
| 7189 | switch(v) { |
| 7190 | case 0: |
| 7191 | if (qemu_get_buffer(f, buf, len) != len) |
| 7192 | return -EIO; |
| 7193 | break; |
| 7194 | case 1: |
| 7195 | v = qemu_get_byte(f); |
| 7196 | memset(buf, v, len); |
| 7197 | break; |
| 7198 | default: |
| 7199 | return -EINVAL; |
| 7200 | } |
| 7201 | return 0; |
| 7202 | } |
| 7203 | |
| 7204 | static int ram_load_v1(QEMUFile *f, void *opaque) |
| 7205 | { |
| 7206 | int ret; |
| 7207 | ram_addr_t i; |
| 7208 | |
| 7209 | if (qemu_get_be32(f) != phys_ram_size) |
| 7210 | return -EINVAL; |
| 7211 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
| 7212 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
| 7213 | if (ret) |
| 7214 | return ret; |
| 7215 | } |
| 7216 | return 0; |
| 7217 | } |
| 7218 | |
| 7219 | #define BDRV_HASH_BLOCK_SIZE 1024 |
| 7220 | #define IOBUF_SIZE 4096 |
| 7221 | #define RAM_CBLOCK_MAGIC 0xfabe |
| 7222 | |
| 7223 | typedef struct RamCompressState { |
| 7224 | z_stream zstream; |
| 7225 | QEMUFile *f; |
| 7226 | uint8_t buf[IOBUF_SIZE]; |
| 7227 | } RamCompressState; |
| 7228 | |
| 7229 | static int ram_compress_open(RamCompressState *s, QEMUFile *f) |
| 7230 | { |
| 7231 | int ret; |
| 7232 | memset(s, 0, sizeof(*s)); |
| 7233 | s->f = f; |
| 7234 | ret = deflateInit2(&s->zstream, 1, |
| 7235 | Z_DEFLATED, 15, |
| 7236 | 9, Z_DEFAULT_STRATEGY); |
| 7237 | if (ret != Z_OK) |
| 7238 | return -1; |
| 7239 | s->zstream.avail_out = IOBUF_SIZE; |
| 7240 | s->zstream.next_out = s->buf; |
| 7241 | return 0; |
| 7242 | } |
| 7243 | |
| 7244 | static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) |
| 7245 | { |
| 7246 | qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); |
| 7247 | qemu_put_be16(s->f, len); |
| 7248 | qemu_put_buffer(s->f, buf, len); |
| 7249 | } |
| 7250 | |
| 7251 | static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) |
| 7252 | { |
| 7253 | int ret; |
| 7254 | |
| 7255 | s->zstream.avail_in = len; |
| 7256 | s->zstream.next_in = (uint8_t *)buf; |
| 7257 | while (s->zstream.avail_in > 0) { |
| 7258 | ret = deflate(&s->zstream, Z_NO_FLUSH); |
| 7259 | if (ret != Z_OK) |
| 7260 | return -1; |
| 7261 | if (s->zstream.avail_out == 0) { |
| 7262 | ram_put_cblock(s, s->buf, IOBUF_SIZE); |
| 7263 | s->zstream.avail_out = IOBUF_SIZE; |
| 7264 | s->zstream.next_out = s->buf; |
| 7265 | } |
| 7266 | } |
| 7267 | return 0; |
| 7268 | } |
| 7269 | |
| 7270 | static void ram_compress_close(RamCompressState *s) |
| 7271 | { |
| 7272 | int len, ret; |
| 7273 | |
| 7274 | /* compress last bytes */ |
| 7275 | for(;;) { |
| 7276 | ret = deflate(&s->zstream, Z_FINISH); |
| 7277 | if (ret == Z_OK || ret == Z_STREAM_END) { |
| 7278 | len = IOBUF_SIZE - s->zstream.avail_out; |
| 7279 | if (len > 0) { |
| 7280 | ram_put_cblock(s, s->buf, len); |
| 7281 | } |
| 7282 | s->zstream.avail_out = IOBUF_SIZE; |
| 7283 | s->zstream.next_out = s->buf; |
| 7284 | if (ret == Z_STREAM_END) |
| 7285 | break; |
| 7286 | } else { |
| 7287 | goto fail; |
| 7288 | } |
| 7289 | } |
| 7290 | fail: |
| 7291 | deflateEnd(&s->zstream); |
| 7292 | } |
| 7293 | |
| 7294 | typedef struct RamDecompressState { |
| 7295 | z_stream zstream; |
| 7296 | QEMUFile *f; |
| 7297 | uint8_t buf[IOBUF_SIZE]; |
| 7298 | } RamDecompressState; |
| 7299 | |
| 7300 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
| 7301 | { |
| 7302 | int ret; |
| 7303 | memset(s, 0, sizeof(*s)); |
| 7304 | s->f = f; |
| 7305 | ret = inflateInit(&s->zstream); |
| 7306 | if (ret != Z_OK) |
| 7307 | return -1; |
| 7308 | return 0; |
| 7309 | } |
| 7310 | |
| 7311 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
| 7312 | { |
| 7313 | int ret, clen; |
| 7314 | |
| 7315 | s->zstream.avail_out = len; |
| 7316 | s->zstream.next_out = buf; |
| 7317 | while (s->zstream.avail_out > 0) { |
| 7318 | if (s->zstream.avail_in == 0) { |
| 7319 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) |
| 7320 | return -1; |
| 7321 | clen = qemu_get_be16(s->f); |
| 7322 | if (clen > IOBUF_SIZE) |
| 7323 | return -1; |
| 7324 | qemu_get_buffer(s->f, s->buf, clen); |
| 7325 | s->zstream.avail_in = clen; |
| 7326 | s->zstream.next_in = s->buf; |
| 7327 | } |
| 7328 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
| 7329 | if (ret != Z_OK && ret != Z_STREAM_END) { |
| 7330 | return -1; |
| 7331 | } |
| 7332 | } |
| 7333 | return 0; |
| 7334 | } |
| 7335 | |
| 7336 | static void ram_decompress_close(RamDecompressState *s) |
| 7337 | { |
| 7338 | inflateEnd(&s->zstream); |
| 7339 | } |
| 7340 | |
| 7341 | static void ram_save(QEMUFile *f, void *opaque) |
| 7342 | { |
| 7343 | ram_addr_t i; |
| 7344 | RamCompressState s1, *s = &s1; |
| 7345 | uint8_t buf[10]; |
| 7346 | |
| 7347 | qemu_put_be32(f, phys_ram_size); |
| 7348 | if (ram_compress_open(s, f) < 0) |
| 7349 | return; |
| 7350 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
| 7351 | #if 0 |
| 7352 | if (tight_savevm_enabled) { |
| 7353 | int64_t sector_num; |
| 7354 | int j; |
| 7355 | |
| 7356 | /* find if the memory block is available on a virtual |
| 7357 | block device */ |
| 7358 | sector_num = -1; |
| 7359 | for(j = 0; j < nb_drives; j++) { |
| 7360 | sector_num = bdrv_hash_find(drives_table[j].bdrv, |
| 7361 | phys_ram_base + i, |
| 7362 | BDRV_HASH_BLOCK_SIZE); |
| 7363 | if (sector_num >= 0) |
| 7364 | break; |
| 7365 | } |
| 7366 | if (j == nb_drives) |
| 7367 | goto normal_compress; |
| 7368 | buf[0] = 1; |
| 7369 | buf[1] = j; |
| 7370 | cpu_to_be64wu((uint64_t *)(buf + 2), sector_num); |
| 7371 | ram_compress_buf(s, buf, 10); |
| 7372 | } else |
| 7373 | #endif |
| 7374 | { |
| 7375 | // normal_compress: |
| 7376 | buf[0] = 0; |
| 7377 | ram_compress_buf(s, buf, 1); |
| 7378 | ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); |
| 7379 | } |
| 7380 | } |
| 7381 | ram_compress_close(s); |
| 7382 | } |
| 7383 | |
| 7384 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 7385 | { |
| 7386 | RamDecompressState s1, *s = &s1; |
| 7387 | uint8_t buf[10]; |
| 7388 | ram_addr_t i; |
| 7389 | |
| 7390 | if (version_id == 1) |
| 7391 | return ram_load_v1(f, opaque); |
| 7392 | if (version_id != 2) |
| 7393 | return -EINVAL; |
| 7394 | if (qemu_get_be32(f) != phys_ram_size) |
| 7395 | return -EINVAL; |
| 7396 | if (ram_decompress_open(s, f) < 0) |
| 7397 | return -EINVAL; |
| 7398 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { |
| 7399 | if (ram_decompress_buf(s, buf, 1) < 0) { |
| 7400 | fprintf(stderr, "Error while reading ram block header\n"); |
| 7401 | goto error; |
| 7402 | } |
| 7403 | if (buf[0] == 0) { |
| 7404 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { |
| 7405 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); |
| 7406 | goto error; |
| 7407 | } |
| 7408 | } else |
| 7409 | #if 0 |
| 7410 | if (buf[0] == 1) { |
| 7411 | int bs_index; |
| 7412 | int64_t sector_num; |
| 7413 | |
| 7414 | ram_decompress_buf(s, buf + 1, 9); |
| 7415 | bs_index = buf[1]; |
| 7416 | sector_num = be64_to_cpupu((const uint64_t *)(buf + 2)); |
| 7417 | if (bs_index >= nb_drives) { |
| 7418 | fprintf(stderr, "Invalid block device index %d\n", bs_index); |
| 7419 | goto error; |
| 7420 | } |
| 7421 | if (bdrv_read(drives_table[bs_index].bdrv, sector_num, |
| 7422 | phys_ram_base + i, |
| 7423 | BDRV_HASH_BLOCK_SIZE / 512) < 0) { |
| 7424 | fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n", |
| 7425 | bs_index, sector_num); |
| 7426 | goto error; |
| 7427 | } |
| 7428 | } else |
| 7429 | #endif |
| 7430 | { |
| 7431 | error: |
| 7432 | printf("Error block header\n"); |
| 7433 | return -EINVAL; |
| 7434 | } |
| 7435 | } |
| 7436 | ram_decompress_close(s); |
| 7437 | return 0; |
| 7438 | } |
| 7439 | |
| 7440 | /***********************************************************/ |
| 7441 | /* bottom halves (can be seen as timers which expire ASAP) */ |
| 7442 | |
| 7443 | struct QEMUBH { |
| 7444 | QEMUBHFunc *cb; |
| 7445 | void *opaque; |
| 7446 | int scheduled; |
| 7447 | QEMUBH *next; |
| 7448 | }; |
| 7449 | |
| 7450 | static QEMUBH *first_bh = NULL; |
| 7451 | |
| 7452 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) |
| 7453 | { |
| 7454 | QEMUBH *bh; |
| 7455 | bh = qemu_mallocz(sizeof(QEMUBH)); |
| 7456 | if (!bh) |
| 7457 | return NULL; |
| 7458 | bh->cb = cb; |
| 7459 | bh->opaque = opaque; |
| 7460 | return bh; |
| 7461 | } |
| 7462 | |
| 7463 | int qemu_bh_poll(void) |
| 7464 | { |
| 7465 | QEMUBH *bh, **pbh; |
| 7466 | int ret; |
| 7467 | |
| 7468 | ret = 0; |
| 7469 | for(;;) { |
| 7470 | pbh = &first_bh; |
| 7471 | bh = *pbh; |
| 7472 | if (!bh) |
| 7473 | break; |
| 7474 | ret = 1; |
| 7475 | *pbh = bh->next; |
| 7476 | bh->scheduled = 0; |
| 7477 | bh->cb(bh->opaque); |
| 7478 | } |
| 7479 | return ret; |
| 7480 | } |
| 7481 | |
| 7482 | void qemu_bh_schedule(QEMUBH *bh) |
| 7483 | { |
| 7484 | CPUState *env = cpu_single_env; |
| 7485 | if (bh->scheduled) |
| 7486 | return; |
| 7487 | bh->scheduled = 1; |
| 7488 | bh->next = first_bh; |
| 7489 | first_bh = bh; |
| 7490 | |
| 7491 | /* stop the currently executing CPU to execute the BH ASAP */ |
| 7492 | if (env) { |
| 7493 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); |
| 7494 | } |
| 7495 | } |
| 7496 | |
| 7497 | void qemu_bh_cancel(QEMUBH *bh) |
| 7498 | { |
| 7499 | QEMUBH **pbh; |
| 7500 | if (bh->scheduled) { |
| 7501 | pbh = &first_bh; |
| 7502 | while (*pbh != bh) |
| 7503 | pbh = &(*pbh)->next; |
| 7504 | *pbh = bh->next; |
| 7505 | bh->scheduled = 0; |
| 7506 | } |
| 7507 | } |
| 7508 | |
| 7509 | void qemu_bh_delete(QEMUBH *bh) |
| 7510 | { |
| 7511 | qemu_bh_cancel(bh); |
| 7512 | qemu_free(bh); |
| 7513 | } |
| 7514 | |
| 7515 | /***********************************************************/ |
| 7516 | /* machine registration */ |
| 7517 | |
| 7518 | QEMUMachine *first_machine = NULL; |
| 7519 | |
| 7520 | int qemu_register_machine(QEMUMachine *m) |
| 7521 | { |
| 7522 | QEMUMachine **pm; |
| 7523 | pm = &first_machine; |
| 7524 | while (*pm != NULL) |
| 7525 | pm = &(*pm)->next; |
| 7526 | m->next = NULL; |
| 7527 | *pm = m; |
| 7528 | return 0; |
| 7529 | } |
| 7530 | |
| 7531 | static QEMUMachine *find_machine(const char *name) |
| 7532 | { |
| 7533 | QEMUMachine *m; |
| 7534 | |
| 7535 | for(m = first_machine; m != NULL; m = m->next) { |
| 7536 | if (!strcmp(m->name, name)) |
| 7537 | return m; |
| 7538 | } |
| 7539 | return NULL; |
| 7540 | } |
| 7541 | |
| 7542 | /***********************************************************/ |
| 7543 | /* main execution loop */ |
| 7544 | |
| 7545 | static void gui_update(void *opaque) |
| 7546 | { |
| 7547 | DisplayState *ds = opaque; |
| 7548 | ds->dpy_refresh(ds); |
| 7549 | qemu_mod_timer(ds->gui_timer, |
| 7550 | (ds->gui_timer_interval ? |
| 7551 | ds->gui_timer_interval : |
| 7552 | GUI_REFRESH_INTERVAL) |
| 7553 | + qemu_get_clock(rt_clock)); |
| 7554 | } |
| 7555 | |
| 7556 | struct vm_change_state_entry { |
| 7557 | VMChangeStateHandler *cb; |
| 7558 | void *opaque; |
| 7559 | LIST_ENTRY (vm_change_state_entry) entries; |
| 7560 | }; |
| 7561 | |
| 7562 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
| 7563 | |
| 7564 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
| 7565 | void *opaque) |
| 7566 | { |
| 7567 | VMChangeStateEntry *e; |
| 7568 | |
| 7569 | e = qemu_mallocz(sizeof (*e)); |
| 7570 | if (!e) |
| 7571 | return NULL; |
| 7572 | |
| 7573 | e->cb = cb; |
| 7574 | e->opaque = opaque; |
| 7575 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
| 7576 | return e; |
| 7577 | } |
| 7578 | |
| 7579 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) |
| 7580 | { |
| 7581 | LIST_REMOVE (e, entries); |
| 7582 | qemu_free (e); |
| 7583 | } |
| 7584 | |
| 7585 | static void vm_state_notify(int running) |
| 7586 | { |
| 7587 | VMChangeStateEntry *e; |
| 7588 | |
| 7589 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { |
| 7590 | e->cb(e->opaque, running); |
| 7591 | } |
| 7592 | } |
| 7593 | |
| 7594 | /* XXX: support several handlers */ |
| 7595 | static VMStopHandler *vm_stop_cb; |
| 7596 | static void *vm_stop_opaque; |
| 7597 | |
| 7598 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
| 7599 | { |
| 7600 | vm_stop_cb = cb; |
| 7601 | vm_stop_opaque = opaque; |
| 7602 | return 0; |
| 7603 | } |
| 7604 | |
| 7605 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
| 7606 | { |
| 7607 | vm_stop_cb = NULL; |
| 7608 | } |
| 7609 | |
| 7610 | void vm_start(void) |
| 7611 | { |
| 7612 | if (!vm_running) { |
| 7613 | cpu_enable_ticks(); |
| 7614 | vm_running = 1; |
| 7615 | vm_state_notify(1); |
| 7616 | qemu_rearm_alarm_timer(alarm_timer); |
| 7617 | } |
| 7618 | } |
| 7619 | |
| 7620 | void vm_stop(int reason) |
| 7621 | { |
| 7622 | if (vm_running) { |
| 7623 | cpu_disable_ticks(); |
| 7624 | vm_running = 0; |
| 7625 | if (reason != 0) { |
| 7626 | if (vm_stop_cb) { |
| 7627 | vm_stop_cb(vm_stop_opaque, reason); |
| 7628 | } |
| 7629 | } |
| 7630 | vm_state_notify(0); |
| 7631 | } |
| 7632 | } |
| 7633 | |
| 7634 | /* reset/shutdown handler */ |
| 7635 | |
| 7636 | typedef struct QEMUResetEntry { |
| 7637 | QEMUResetHandler *func; |
| 7638 | void *opaque; |
| 7639 | struct QEMUResetEntry *next; |
| 7640 | } QEMUResetEntry; |
| 7641 | |
| 7642 | static QEMUResetEntry *first_reset_entry; |
| 7643 | static int reset_requested; |
| 7644 | static int shutdown_requested; |
| 7645 | static int powerdown_requested; |
| 7646 | |
| 7647 | int qemu_shutdown_requested(void) |
| 7648 | { |
| 7649 | int r = shutdown_requested; |
| 7650 | shutdown_requested = 0; |
| 7651 | return r; |
| 7652 | } |
| 7653 | |
| 7654 | int qemu_reset_requested(void) |
| 7655 | { |
| 7656 | int r = reset_requested; |
| 7657 | reset_requested = 0; |
| 7658 | return r; |
| 7659 | } |
| 7660 | |
| 7661 | int qemu_powerdown_requested(void) |
| 7662 | { |
| 7663 | int r = powerdown_requested; |
| 7664 | powerdown_requested = 0; |
| 7665 | return r; |
| 7666 | } |
| 7667 | |
| 7668 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
| 7669 | { |
| 7670 | QEMUResetEntry **pre, *re; |
| 7671 | |
| 7672 | pre = &first_reset_entry; |
| 7673 | while (*pre != NULL) |
| 7674 | pre = &(*pre)->next; |
| 7675 | re = qemu_mallocz(sizeof(QEMUResetEntry)); |
| 7676 | re->func = func; |
| 7677 | re->opaque = opaque; |
| 7678 | re->next = NULL; |
| 7679 | *pre = re; |
| 7680 | } |
| 7681 | |
| 7682 | void qemu_system_reset(void) |
| 7683 | { |
| 7684 | QEMUResetEntry *re; |
| 7685 | |
| 7686 | /* reset all devices */ |
| 7687 | for(re = first_reset_entry; re != NULL; re = re->next) { |
| 7688 | re->func(re->opaque); |
| 7689 | } |
| 7690 | } |
| 7691 | |
| 7692 | void qemu_system_reset_request(void) |
| 7693 | { |
| 7694 | if (no_reboot) { |
| 7695 | shutdown_requested = 1; |
| 7696 | } else { |
| 7697 | reset_requested = 1; |
| 7698 | } |
| 7699 | if (cpu_single_env) |
| 7700 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 7701 | } |
| 7702 | |
| 7703 | #ifdef HAS_AUDIO |
| 7704 | extern void AUD_cleanup(); |
| 7705 | #endif |
| 7706 | |
| 7707 | void qemu_system_shutdown_request(void) |
| 7708 | { |
| 7709 | shutdown_requested = 1; |
| 7710 | if (cpu_single_env) |
| 7711 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 7712 | } |
| 7713 | |
| 7714 | void qemu_system_powerdown_request(void) |
| 7715 | { |
| 7716 | powerdown_requested = 1; |
| 7717 | if (cpu_single_env) |
| 7718 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 7719 | } |
| 7720 | |
| 7721 | #define MAIN_LOOP_STATS 0 |
| 7722 | |
| 7723 | #if MAIN_LOOP_STATS |
| 7724 | typedef struct { |
| 7725 | int counter; |
| 7726 | int64_t reset_time; // time when counter is reset |
| 7727 | int64_t spent_time_total; // total time spent since last counter reset |
| 7728 | int64_t spent_time_min; // minimum time spent in call |
| 7729 | int64_t spent_time_max; // maximum time spent in call |
| 7730 | int64_t wait_time_total; // total time spent waiting for select() |
| 7731 | } MainLoopStats; |
| 7732 | |
| 7733 | static __inline__ int64_t |
| 7734 | mainloopstats_now( void ) |
| 7735 | { |
| 7736 | return qemu_get_clock( vm_clock ); |
| 7737 | } |
| 7738 | |
| 7739 | static __inline__ double |
| 7740 | mainloopstats_to_ms( int64_t duration ) |
| 7741 | { |
| 7742 | return duration / 1000000.; |
| 7743 | } |
| 7744 | |
| 7745 | static void |
| 7746 | mainloopstats_reset( MainLoopStats* s ) |
| 7747 | { |
| 7748 | int64_t now = qemu_get_clock( vm_clock ); |
| 7749 | |
| 7750 | s->counter = 0; |
| 7751 | s->reset_time = now; |
| 7752 | s->spent_time_total = 0; |
| 7753 | s->wait_time_total = 0; |
| 7754 | s->spent_time_min = INT_MAX; |
| 7755 | s->spent_time_max = 0; |
| 7756 | } |
| 7757 | |
| 7758 | static MainLoopStats main_loop_stats; |
| 7759 | #endif /* MAIN_LOOP_STATS */ |
| 7760 | |
| 7761 | void main_loop_wait(int timeout) |
| 7762 | { |
| 7763 | IOHandlerRecord *ioh; |
| 7764 | fd_set rfds, wfds, xfds; |
| 7765 | int ret, nfds; |
| 7766 | #ifdef _WIN32 |
| 7767 | int ret2, i; |
| 7768 | #endif |
| 7769 | struct timeval tv; |
| 7770 | PollingEntry *pe; |
| 7771 | |
| 7772 | #if MAIN_LOOP_STATS |
| 7773 | int64 time_before = mainloopstats_now(); |
| 7774 | int64 time_after_select; |
| 7775 | #endif |
| 7776 | |
| 7777 | /* XXX: need to suppress polling by better using win32 events */ |
| 7778 | ret = 0; |
| 7779 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
| 7780 | ret |= pe->func(pe->opaque); |
| 7781 | } |
| 7782 | #ifdef _WIN32 |
| 7783 | if (ret == 0) { |
| 7784 | int err; |
| 7785 | WaitObjects *w = &wait_objects; |
| 7786 | |
| 7787 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); |
| 7788 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
| 7789 | if (w->func[ret - WAIT_OBJECT_0]) |
| 7790 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
| 7791 | |
| 7792 | /* Check for additional signaled events */ |
| 7793 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
| 7794 | |
| 7795 | /* Check if event is signaled */ |
| 7796 | ret2 = WaitForSingleObject(w->events[i], 0); |
| 7797 | if(ret2 == WAIT_OBJECT_0) { |
| 7798 | if (w->func[i]) |
| 7799 | w->func[i](w->opaque[i]); |
| 7800 | } else if (ret2 == WAIT_TIMEOUT) { |
| 7801 | } else { |
| 7802 | err = GetLastError(); |
| 7803 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); |
| 7804 | } |
| 7805 | } |
| 7806 | } else if (ret == WAIT_TIMEOUT) { |
| 7807 | } else { |
| 7808 | err = GetLastError(); |
| 7809 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
| 7810 | } |
| 7811 | } |
| 7812 | #endif |
| 7813 | /* poll any events */ |
| 7814 | /* XXX: separate device handlers from system ones */ |
| 7815 | nfds = -1; |
| 7816 | FD_ZERO(&rfds); |
| 7817 | FD_ZERO(&wfds); |
| 7818 | FD_ZERO(&xfds); |
| 7819 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 7820 | if (ioh->deleted) |
| 7821 | continue; |
| 7822 | if (ioh->fd_read && |
| 7823 | (!ioh->fd_read_poll || |
| 7824 | ioh->fd_read_poll(ioh->opaque) != 0)) { |
| 7825 | FD_SET(ioh->fd, &rfds); |
| 7826 | if (ioh->fd > nfds) |
| 7827 | nfds = ioh->fd; |
| 7828 | } |
| 7829 | if (ioh->fd_write) { |
| 7830 | FD_SET(ioh->fd, &wfds); |
| 7831 | if (ioh->fd > nfds) |
| 7832 | nfds = ioh->fd; |
| 7833 | } |
| 7834 | } |
| 7835 | |
| 7836 | tv.tv_sec = 0; |
| 7837 | #ifdef _WIN32 |
| 7838 | tv.tv_usec = 0; |
| 7839 | #else |
| 7840 | tv.tv_usec = timeout * 1000; |
| 7841 | #endif |
| 7842 | #if defined(CONFIG_SLIRP) |
| 7843 | if (slirp_inited) { |
| 7844 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
| 7845 | } |
| 7846 | #endif |
| 7847 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
| 7848 | #if MAIN_LOOP_STATS |
| 7849 | time_after_select = mainloopstats_now(); |
| 7850 | #endif |
| 7851 | if (ret > 0) { |
| 7852 | IOHandlerRecord **pioh; |
| 7853 | |
| 7854 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 7855 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
| 7856 | ioh->fd_read(ioh->opaque); |
| 7857 | } |
| 7858 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
| 7859 | ioh->fd_write(ioh->opaque); |
| 7860 | } |
| 7861 | } |
| 7862 | |
| 7863 | /* remove deleted IO handlers */ |
| 7864 | pioh = &first_io_handler; |
| 7865 | while (*pioh) { |
| 7866 | ioh = *pioh; |
| 7867 | if (ioh->deleted) { |
| 7868 | *pioh = ioh->next; |
| 7869 | qemu_free(ioh); |
| 7870 | } else |
| 7871 | pioh = &ioh->next; |
| 7872 | } |
| 7873 | } |
| 7874 | #if defined(CONFIG_SLIRP) |
| 7875 | if (slirp_inited) { |
| 7876 | if (ret < 0) { |
| 7877 | FD_ZERO(&rfds); |
| 7878 | FD_ZERO(&wfds); |
| 7879 | FD_ZERO(&xfds); |
| 7880 | } |
| 7881 | slirp_select_poll(&rfds, &wfds, &xfds); |
| 7882 | } |
| 7883 | #endif |
| 7884 | charpipe_poll(); |
| 7885 | |
| 7886 | if (vm_running) { |
| 7887 | if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) |
| 7888 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
| 7889 | qemu_get_clock(vm_clock)); |
| 7890 | /* run dma transfers, if any */ |
| 7891 | DMA_run(); |
| 7892 | } |
| 7893 | |
| 7894 | /* real time timers */ |
| 7895 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
| 7896 | qemu_get_clock(rt_clock)); |
| 7897 | |
| 7898 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { |
| 7899 | alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); |
| 7900 | qemu_rearm_alarm_timer(alarm_timer); |
| 7901 | } |
| 7902 | |
| 7903 | /* Check bottom-halves last in case any of the earlier events triggered |
| 7904 | them. */ |
| 7905 | qemu_bh_poll(); |
| 7906 | |
| 7907 | #if MAIN_LOOP_STATS |
| 7908 | { |
| 7909 | MainLoopStats* s = &main_loop_stats; |
| 7910 | int64_t time_after = mainloopstats_now(); |
| 7911 | int64_t time_diff = time_after - time_before; |
| 7912 | |
| 7913 | s->spent_time_total += time_diff; |
| 7914 | if (time_diff < s->spent_time_min) |
| 7915 | s->spent_time_min = time_diff; |
| 7916 | if (time_diff > s->spent_time_max) |
| 7917 | s->spent_time_max = time_diff; |
| 7918 | |
| 7919 | time_diff = time_after_select - time_before; |
| 7920 | s->wait_time_total += time_diff; |
| 7921 | |
| 7922 | if (++s->counter == 1000) { |
| 7923 | double period = time_after - s->reset_time; |
| 7924 | double average_spent = s->spent_time_total * 1. / s->counter; |
| 7925 | double average_wait = s->wait_time_total * 1. / s->counter; |
| 7926 | |
| 7927 | printf( "main loop stats: iterations: %8ld, period: %10.2f ms, avg wait time: %10.2f ms (%.3f %%), avg exec time %10.2f ms (%.3f %%)\n", |
| 7928 | s->counter, |
| 7929 | mainloopstats_to_ms(period), |
| 7930 | mainloopstats_to_ms(average_wait), |
| 7931 | s->wait_time_total * 100. / period, |
| 7932 | mainloopstats_to_ms(average_spent), |
| 7933 | s->spent_time_total * 100. / period ); |
| 7934 | |
| 7935 | mainloopstats_reset( s ); |
| 7936 | } |
| 7937 | } |
| 7938 | #endif /* MAIN_LOOP_STATS */ |
| 7939 | } |
| 7940 | |
| 7941 | static int main_loop(void) |
| 7942 | { |
| 7943 | int ret, timeout; |
| 7944 | #ifdef CONFIG_PROFILER |
| 7945 | int64_t ti; |
| 7946 | #endif |
| 7947 | CPUState *env; |
| 7948 | |
| 7949 | cur_cpu = first_cpu; |
| 7950 | next_cpu = cur_cpu->next_cpu ?: first_cpu; |
| 7951 | for(;;) { |
| 7952 | if (vm_running) { |
| 7953 | |
| 7954 | for(;;) { |
| 7955 | /* get next cpu */ |
| 7956 | env = next_cpu; |
| 7957 | #ifdef CONFIG_PROFILER |
| 7958 | ti = profile_getclock(); |
| 7959 | #endif |
| 7960 | if (use_icount) { |
| 7961 | int64_t count; |
| 7962 | int decr; |
| 7963 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 7964 | env->icount_decr.u16.low = 0; |
| 7965 | env->icount_extra = 0; |
| 7966 | count = qemu_next_deadline(); |
| 7967 | count = (count + (1 << icount_time_shift) - 1) |
| 7968 | >> icount_time_shift; |
| 7969 | qemu_icount += count; |
| 7970 | decr = (count > 0xffff) ? 0xffff : count; |
| 7971 | count -= decr; |
| 7972 | env->icount_decr.u16.low = decr; |
| 7973 | env->icount_extra = count; |
| 7974 | } |
| 7975 | ret = cpu_exec(env); |
| 7976 | #ifdef CONFIG_PROFILER |
| 7977 | qemu_time += profile_getclock() - ti; |
| 7978 | #endif |
| 7979 | if (use_icount) { |
| 7980 | /* Fold pending instructions back into the |
| 7981 | instruction counter, and clear the interrupt flag. */ |
| 7982 | qemu_icount -= (env->icount_decr.u16.low |
| 7983 | + env->icount_extra); |
| 7984 | env->icount_decr.u32 = 0; |
| 7985 | env->icount_extra = 0; |
| 7986 | } |
| 7987 | next_cpu = env->next_cpu ?: first_cpu; |
| 7988 | if (event_pending && likely(ret != EXCP_DEBUG)) { |
| 7989 | ret = EXCP_INTERRUPT; |
| 7990 | event_pending = 0; |
| 7991 | break; |
| 7992 | } |
| 7993 | if (ret == EXCP_HLT) { |
| 7994 | /* Give the next CPU a chance to run. */ |
| 7995 | cur_cpu = env; |
| 7996 | continue; |
| 7997 | } |
| 7998 | if (ret != EXCP_HALTED) |
| 7999 | break; |
| 8000 | /* all CPUs are halted ? */ |
| 8001 | if (env == cur_cpu) |
| 8002 | break; |
| 8003 | } |
| 8004 | cur_cpu = env; |
| 8005 | |
| 8006 | #ifdef CONFIG_TRACE |
| 8007 | if (tbflush_requested) { |
| 8008 | tbflush_requested = 0; |
| 8009 | tb_flush(env); |
| 8010 | ret = EXCP_INTERRUPT; |
| 8011 | } else if (exit_requested) |
| 8012 | goto ExitRequested; |
| 8013 | #endif |
| 8014 | |
| 8015 | if (shutdown_requested) { |
| 8016 | ret = EXCP_INTERRUPT; |
| 8017 | if (no_shutdown) { |
| 8018 | vm_stop(0); |
| 8019 | no_shutdown = 0; |
| 8020 | } |
| 8021 | else |
| 8022 | break; |
| 8023 | } |
| 8024 | if (reset_requested) { |
| 8025 | reset_requested = 0; |
| 8026 | qemu_system_reset(); |
| 8027 | ret = EXCP_INTERRUPT; |
| 8028 | } |
| 8029 | if (powerdown_requested) { |
| 8030 | powerdown_requested = 0; |
| 8031 | qemu_system_powerdown(); |
| 8032 | ret = EXCP_INTERRUPT; |
| 8033 | } |
| 8034 | if (unlikely(ret == EXCP_DEBUG)) { |
| 8035 | vm_stop(EXCP_DEBUG); |
| 8036 | } |
| 8037 | /* If all cpus are halted then wait until the next IRQ */ |
| 8038 | /* XXX: use timeout computed from timers */ |
| 8039 | if (ret == EXCP_HALTED) { |
| 8040 | if (use_icount) { |
| 8041 | int64_t add; |
| 8042 | int64_t delta; |
| 8043 | /* Advance virtual time to the next event. */ |
| 8044 | if (use_icount == 1) { |
| 8045 | /* When not using an adaptive execution frequency |
| 8046 | we tend to get badly out of sync with real time, |
| 8047 | so just delay for a reasonable amount of time. */ |
| 8048 | delta = 0; |
| 8049 | } else { |
| 8050 | delta = cpu_get_icount() - cpu_get_clock(); |
| 8051 | } |
| 8052 | if (delta > 0) { |
| 8053 | /* If virtual time is ahead of real time then just |
| 8054 | wait for IO. */ |
| 8055 | timeout = (delta / 1000000) + 1; |
| 8056 | } else { |
| 8057 | /* Wait for either IO to occur or the next |
| 8058 | timer event. */ |
| 8059 | add = qemu_next_deadline(); |
| 8060 | /* We advance the timer before checking for IO. |
| 8061 | Limit the amount we advance so that early IO |
| 8062 | activity won't get the guest too far ahead. */ |
| 8063 | if (add > 10000000) |
| 8064 | add = 10000000; |
| 8065 | delta += add; |
| 8066 | add = (add + (1 << icount_time_shift) - 1) |
| 8067 | >> icount_time_shift; |
| 8068 | qemu_icount += add; |
| 8069 | timeout = delta / 1000000; |
| 8070 | if (timeout < 0) |
| 8071 | timeout = 0; |
| 8072 | } |
| 8073 | } else { |
| 8074 | timeout = 10; |
| 8075 | } |
| 8076 | } else { |
| 8077 | timeout = 0; |
| 8078 | } |
| 8079 | } else { |
| 8080 | if (shutdown_requested) |
| 8081 | break; |
| 8082 | timeout = 10; |
| 8083 | } |
| 8084 | #ifdef CONFIG_PROFILER |
| 8085 | ti = profile_getclock(); |
| 8086 | #endif |
| 8087 | main_loop_wait(timeout); |
| 8088 | #ifdef CONFIG_PROFILER |
| 8089 | dev_time += profile_getclock() - ti; |
| 8090 | #endif |
| 8091 | } |
| 8092 | cpu_disable_ticks(); |
| 8093 | return ret; |
| 8094 | |
| 8095 | #ifdef CONFIG_TRACE |
| 8096 | ExitRequested: |
| 8097 | # ifdef HAS_AUDIO |
| 8098 | AUD_cleanup(); |
| 8099 | # endif |
| 8100 | exit(1); |
| 8101 | return 0; |
| 8102 | #endif |
| 8103 | } |
| 8104 | |
| 8105 | void qemu_help(int exitcode) |
| 8106 | { |
| 8107 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" |
| 8108 | "usage: %s [options] [disk_image]\n" |
| 8109 | "\n" |
| 8110 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
| 8111 | "\n" |
| 8112 | "Standard options:\n" |
| 8113 | "-M machine select emulated machine (-M ? for list)\n" |
| 8114 | "-cpu cpu select CPU (-cpu ? for list)\n" |
| 8115 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
| 8116 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
| 8117 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" |
| 8118 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
| 8119 | "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n" |
| 8120 | " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n" |
| 8121 | " [,cache=on|off][,format=f]\n" |
| 8122 | " use 'file' as a drive image\n" |
| 8123 | "-mtdblock file use 'file' as on-board Flash memory image\n" |
| 8124 | "-sd file use 'file' as SecureDigital card image\n" |
| 8125 | "-pflash file use 'file' as a parallel flash image\n" |
| 8126 | "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" |
| 8127 | "-snapshot write to temporary files instead of disk image files\n" |
| 8128 | #ifdef CONFIG_SDL |
| 8129 | "-no-frame open SDL window without a frame and window decorations\n" |
| 8130 | "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n" |
| 8131 | "-no-quit disable SDL window close capability\n" |
| 8132 | #endif |
| 8133 | #ifdef TARGET_I386 |
| 8134 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" |
| 8135 | #endif |
| 8136 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
| 8137 | "-smp n set the number of CPUs to 'n' [default=1]\n" |
| 8138 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
| 8139 | "-portrait rotate graphical output 90 deg left (only PXA LCD)\n" |
| 8140 | #ifndef _WIN32 |
| 8141 | "-k language use keyboard layout (for example \"fr\" for French)\n" |
| 8142 | #endif |
| 8143 | #ifdef HAS_AUDIO |
| 8144 | "-audio-help print list of audio drivers and their options\n" |
| 8145 | "-soundhw c1,... enable audio support\n" |
| 8146 | " and only specified sound cards (comma separated list)\n" |
| 8147 | " use -soundhw ? to get the list of supported cards\n" |
| 8148 | " use -soundhw all to enable all of them\n" |
| 8149 | #endif |
| 8150 | "-localtime set the real time clock to local time [default=utc]\n" |
| 8151 | "-full-screen start in full screen\n" |
| 8152 | #ifdef TARGET_I386 |
| 8153 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" |
| 8154 | #endif |
| 8155 | "-usb enable the USB driver (will be the default soon)\n" |
| 8156 | "-usbdevice name add the host or guest USB device 'name'\n" |
| 8157 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
| 8158 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" |
| 8159 | #endif |
| 8160 | "-name string set the name of the guest\n" |
| 8161 | "\n" |
| 8162 | "Network options:\n" |
| 8163 | "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" |
| 8164 | " create a new Network Interface Card and connect it to VLAN 'n'\n" |
| 8165 | #ifdef CONFIG_SLIRP |
| 8166 | "-net user[,vlan=n][,hostname=host]\n" |
| 8167 | " connect the user mode network stack to VLAN 'n' and send\n" |
| 8168 | " hostname 'host' to DHCP clients\n" |
| 8169 | #endif |
| 8170 | #ifdef _WIN32 |
| 8171 | "-net tap[,vlan=n],ifname=name\n" |
| 8172 | " connect the host TAP network interface to VLAN 'n'\n" |
| 8173 | #else |
| 8174 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n" |
| 8175 | " connect the host TAP network interface to VLAN 'n' and use the\n" |
| 8176 | " network scripts 'file' (default=%s)\n" |
| 8177 | " and 'dfile' (default=%s);\n" |
| 8178 | " use '[down]script=no' to disable script execution;\n" |
| 8179 | " use 'fd=h' to connect to an already opened TAP interface\n" |
| 8180 | #endif |
| 8181 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" |
| 8182 | " connect the vlan 'n' to another VLAN using a socket connection\n" |
| 8183 | "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" |
| 8184 | " connect the vlan 'n' to multicast maddr and port\n" |
| 8185 | "-net none use it alone to have zero network devices; if no -net option\n" |
| 8186 | " is provided, the default is '-net nic -net user'\n" |
| 8187 | "\n" |
| 8188 | #ifdef CONFIG_SLIRP |
| 8189 | "-tftp dir allow tftp access to files in dir [-net user]\n" |
| 8190 | "-bootp file advertise file in BOOTP replies\n" |
| 8191 | #ifndef _WIN32 |
| 8192 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" |
| 8193 | #endif |
| 8194 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" |
| 8195 | " redirect TCP or UDP connections from host to guest [-net user]\n" |
| 8196 | #endif |
| 8197 | "\n" |
| 8198 | "Linux boot specific:\n" |
| 8199 | "-kernel bzImage use 'bzImage' as kernel image\n" |
| 8200 | "-append cmdline use 'cmdline' as kernel command line\n" |
| 8201 | "-initrd file use 'file' as initial ram disk\n" |
| 8202 | "\n" |
| 8203 | "Debug/Expert options:\n" |
| 8204 | "-monitor dev redirect the monitor to char device 'dev'\n" |
| 8205 | "-serial dev redirect the serial port to char device 'dev'\n" |
| 8206 | "-parallel dev redirect the parallel port to char device 'dev'\n" |
| 8207 | "-pidfile file Write PID to 'file'\n" |
| 8208 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
| 8209 | "-s wait gdb connection to port\n" |
| 8210 | "-p port set gdb connection port [default=%s]\n" |
| 8211 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
| 8212 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" |
| 8213 | " translation (t=none or lba) (usually qemu can guess them)\n" |
| 8214 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" |
| 8215 | #ifdef USE_KQEMU |
| 8216 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" |
| 8217 | "-no-kqemu disable KQEMU kernel module usage\n" |
| 8218 | #endif |
| 8219 | #ifdef TARGET_I386 |
| 8220 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" |
| 8221 | " (default is CL-GD5446 PCI VGA)\n" |
| 8222 | "-no-acpi disable ACPI\n" |
| 8223 | #endif |
| 8224 | #ifdef CONFIG_CURSES |
| 8225 | "-curses use a curses/ncurses interface instead of SDL\n" |
| 8226 | #endif |
| 8227 | "-no-reboot exit instead of rebooting\n" |
| 8228 | "-no-shutdown stop before shutdown\n" |
| 8229 | "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n" |
| 8230 | "-vnc display start a VNC server on display\n" |
| 8231 | #ifdef CONFIG_TRACE |
| 8232 | "-trace file create an execution trace in 'file' (implies -tracing on)\n" |
| 8233 | "-tracing off start with tracing off\n" |
| 8234 | "-trace_miss include tracing of cache miss addresses\n" |
| 8235 | "-trace_addr include tracing of all load/store addresses\n" |
| 8236 | "-dcache_load_miss cycles\n" |
| 8237 | " set the dcache load miss penalty to 'cycles'\n" |
| 8238 | "-dcache_store_miss cycles\n" |
| 8239 | " set the dcache store miss penalty to 'cycles'\n" |
| 8240 | #endif |
| 8241 | #ifdef CONFIG_NAND |
| 8242 | "-nand name[,readonly][,size=size][,pagesize=size][,extrasize=size][,erasepages=pages][,initfile=file][,file=file]" |
| 8243 | #endif |
| 8244 | #ifndef _WIN32 |
| 8245 | "-daemonize daemonize QEMU after initializing\n" |
| 8246 | #endif |
| 8247 | "-option-rom rom load a file, rom, into the option ROM space\n" |
| 8248 | #ifdef TARGET_SPARC |
| 8249 | "-prom-env variable=value set OpenBIOS nvram variables\n" |
| 8250 | #endif |
| 8251 | "-clock force the use of the given methods for timer alarm.\n" |
| 8252 | " To see what timers are available use -clock ?\n" |
| 8253 | "-startdate select initial date of the clock\n" |
| 8254 | "-icount [N|auto]\n" |
| 8255 | " Enable virtual instruction counter with 2^N clock ticks per instruction\n" |
| 8256 | "\n" |
| 8257 | "During emulation, the following keys are useful:\n" |
| 8258 | "ctrl-alt-f toggle full screen\n" |
| 8259 | "ctrl-alt-n switch to virtual console 'n'\n" |
| 8260 | "ctrl-alt toggle mouse and keyboard grab\n" |
| 8261 | "\n" |
| 8262 | "When using -nographic, press 'ctrl-a h' to get some help.\n" |
| 8263 | , |
| 8264 | "qemu", |
| 8265 | DEFAULT_RAM_SIZE, |
| 8266 | #ifndef _WIN32 |
| 8267 | DEFAULT_NETWORK_SCRIPT, |
| 8268 | DEFAULT_NETWORK_DOWN_SCRIPT, |
| 8269 | #endif |
| 8270 | DEFAULT_GDBSTUB_PORT, |
| 8271 | "/tmp/qemu.log"); |
| 8272 | exit(exitcode); |
| 8273 | } |
| 8274 | |
| 8275 | #define HAS_ARG 0x0001 |
| 8276 | |
| 8277 | enum { |
| 8278 | QEMU_OPTION_h, |
| 8279 | |
| 8280 | QEMU_OPTION_M, |
| 8281 | QEMU_OPTION_cpu, |
| 8282 | QEMU_OPTION_fda, |
| 8283 | QEMU_OPTION_fdb, |
| 8284 | QEMU_OPTION_hda, |
| 8285 | QEMU_OPTION_hdb, |
| 8286 | QEMU_OPTION_hdc, |
| 8287 | QEMU_OPTION_hdd, |
| 8288 | QEMU_OPTION_drive, |
| 8289 | QEMU_OPTION_cdrom, |
| 8290 | QEMU_OPTION_mtdblock, |
| 8291 | QEMU_OPTION_sd, |
| 8292 | QEMU_OPTION_pflash, |
| 8293 | QEMU_OPTION_boot, |
| 8294 | QEMU_OPTION_snapshot, |
| 8295 | #ifdef TARGET_I386 |
| 8296 | QEMU_OPTION_no_fd_bootchk, |
| 8297 | #endif |
| 8298 | QEMU_OPTION_m, |
| 8299 | QEMU_OPTION_nographic, |
| 8300 | QEMU_OPTION_portrait, |
| 8301 | #ifdef HAS_AUDIO |
| 8302 | QEMU_OPTION_audio_help, |
| 8303 | QEMU_OPTION_soundhw, |
| 8304 | #endif |
| 8305 | |
| 8306 | QEMU_OPTION_net, |
| 8307 | QEMU_OPTION_tftp, |
| 8308 | QEMU_OPTION_bootp, |
| 8309 | QEMU_OPTION_smb, |
| 8310 | QEMU_OPTION_redir, |
| 8311 | |
| 8312 | QEMU_OPTION_kernel, |
| 8313 | QEMU_OPTION_append, |
| 8314 | QEMU_OPTION_initrd, |
| 8315 | |
| 8316 | QEMU_OPTION_S, |
| 8317 | QEMU_OPTION_s, |
| 8318 | QEMU_OPTION_p, |
| 8319 | QEMU_OPTION_d, |
| 8320 | QEMU_OPTION_hdachs, |
| 8321 | QEMU_OPTION_L, |
| 8322 | QEMU_OPTION_bios, |
| 8323 | QEMU_OPTION_k, |
| 8324 | QEMU_OPTION_localtime, |
| 8325 | QEMU_OPTION_cirrusvga, |
| 8326 | QEMU_OPTION_vmsvga, |
| 8327 | QEMU_OPTION_g, |
| 8328 | QEMU_OPTION_std_vga, |
| 8329 | QEMU_OPTION_echr, |
| 8330 | QEMU_OPTION_monitor, |
| 8331 | QEMU_OPTION_serial, |
| 8332 | QEMU_OPTION_parallel, |
| 8333 | QEMU_OPTION_loadvm, |
| 8334 | QEMU_OPTION_full_screen, |
| 8335 | QEMU_OPTION_no_frame, |
| 8336 | QEMU_OPTION_alt_grab, |
| 8337 | QEMU_OPTION_no_quit, |
| 8338 | QEMU_OPTION_pidfile, |
| 8339 | QEMU_OPTION_no_kqemu, |
| 8340 | QEMU_OPTION_kernel_kqemu, |
| 8341 | QEMU_OPTION_win2k_hack, |
| 8342 | QEMU_OPTION_usb, |
| 8343 | QEMU_OPTION_usbdevice, |
| 8344 | QEMU_OPTION_smp, |
| 8345 | QEMU_OPTION_vnc, |
| 8346 | QEMU_OPTION_no_acpi, |
| 8347 | QEMU_OPTION_curses, |
| 8348 | QEMU_OPTION_no_reboot, |
| 8349 | QEMU_OPTION_no_shutdown, |
| 8350 | QEMU_OPTION_show_cursor, |
| 8351 | QEMU_OPTION_daemonize, |
| 8352 | QEMU_OPTION_option_rom, |
| 8353 | QEMU_OPTION_semihosting, |
| 8354 | QEMU_OPTION_name, |
| 8355 | QEMU_OPTION_prom_env, |
| 8356 | QEMU_OPTION_old_param, |
| 8357 | QEMU_OPTION_noaudio, |
| 8358 | QEMU_OPTION_mic, |
| 8359 | #ifdef CONFIG_TRACE |
| 8360 | QEMU_OPTION_trace_file, |
| 8361 | QEMU_OPTION_tracing, |
| 8362 | QEMU_OPTION_trace_miss, |
| 8363 | QEMU_OPTION_trace_addr, |
| 8364 | QEMU_OPTION_dcache_load_miss, |
| 8365 | QEMU_OPTION_dcache_store_miss, |
| 8366 | #endif |
| 8367 | #ifdef CONFIG_NAND |
| 8368 | QEMU_OPTION_nand, |
| 8369 | #endif |
| 8370 | QEMU_OPTION_clock, |
| 8371 | QEMU_OPTION_startdate, |
| 8372 | QEMU_OPTION_tb_size, |
| 8373 | QEMU_OPTION_icount, |
| 8374 | }; |
| 8375 | |
| 8376 | typedef struct QEMUOption { |
| 8377 | const char *name; |
| 8378 | int flags; |
| 8379 | int index; |
| 8380 | } QEMUOption; |
| 8381 | |
| 8382 | const QEMUOption qemu_options[] = { |
| 8383 | { "h", 0, QEMU_OPTION_h }, |
| 8384 | { "help", 0, QEMU_OPTION_h }, |
| 8385 | |
| 8386 | { "M", HAS_ARG, QEMU_OPTION_M }, |
| 8387 | { "cpu", HAS_ARG, QEMU_OPTION_cpu }, |
| 8388 | { "fda", HAS_ARG, QEMU_OPTION_fda }, |
| 8389 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, |
| 8390 | { "hda", HAS_ARG, QEMU_OPTION_hda }, |
| 8391 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, |
| 8392 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, |
| 8393 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, |
| 8394 | { "drive", HAS_ARG, QEMU_OPTION_drive }, |
| 8395 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, |
| 8396 | { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock }, |
| 8397 | { "sd", HAS_ARG, QEMU_OPTION_sd }, |
| 8398 | { "pflash", HAS_ARG, QEMU_OPTION_pflash }, |
| 8399 | { "boot", HAS_ARG, QEMU_OPTION_boot }, |
| 8400 | { "snapshot", 0, QEMU_OPTION_snapshot }, |
| 8401 | #ifdef TARGET_I386 |
| 8402 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, |
| 8403 | #endif |
| 8404 | { "m", HAS_ARG, QEMU_OPTION_m }, |
| 8405 | { "nographic", 0, QEMU_OPTION_nographic }, |
| 8406 | { "portrait", 0, QEMU_OPTION_portrait }, |
| 8407 | { "k", HAS_ARG, QEMU_OPTION_k }, |
| 8408 | #ifdef HAS_AUDIO |
| 8409 | { "audio-help", 0, QEMU_OPTION_audio_help }, |
| 8410 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, |
| 8411 | #endif |
| 8412 | |
| 8413 | { "net", HAS_ARG, QEMU_OPTION_net}, |
| 8414 | #ifdef CONFIG_SLIRP |
| 8415 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, |
| 8416 | { "bootp", HAS_ARG, QEMU_OPTION_bootp }, |
| 8417 | #ifndef _WIN32 |
| 8418 | { "smb", HAS_ARG, QEMU_OPTION_smb }, |
| 8419 | #endif |
| 8420 | { "redir", HAS_ARG, QEMU_OPTION_redir }, |
| 8421 | #endif |
| 8422 | |
| 8423 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, |
| 8424 | { "append", HAS_ARG, QEMU_OPTION_append }, |
| 8425 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, |
| 8426 | |
| 8427 | { "S", 0, QEMU_OPTION_S }, |
| 8428 | { "s", 0, QEMU_OPTION_s }, |
| 8429 | { "p", HAS_ARG, QEMU_OPTION_p }, |
| 8430 | { "d", HAS_ARG, QEMU_OPTION_d }, |
| 8431 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, |
| 8432 | { "L", HAS_ARG, QEMU_OPTION_L }, |
| 8433 | { "bios", HAS_ARG, QEMU_OPTION_bios }, |
| 8434 | #ifdef USE_KQEMU |
| 8435 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, |
| 8436 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, |
| 8437 | #endif |
| 8438 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
| 8439 | { "g", HAS_ARG, QEMU_OPTION_g }, |
| 8440 | #endif |
| 8441 | { "localtime", 0, QEMU_OPTION_localtime }, |
| 8442 | { "std-vga", 0, QEMU_OPTION_std_vga }, |
| 8443 | { "echr", HAS_ARG, QEMU_OPTION_echr }, |
| 8444 | { "monitor", HAS_ARG, QEMU_OPTION_monitor }, |
| 8445 | { "serial", HAS_ARG, QEMU_OPTION_serial }, |
| 8446 | { "parallel", HAS_ARG, QEMU_OPTION_parallel }, |
| 8447 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, |
| 8448 | { "full-screen", 0, QEMU_OPTION_full_screen }, |
| 8449 | #ifdef CONFIG_SDL |
| 8450 | { "no-frame", 0, QEMU_OPTION_no_frame }, |
| 8451 | { "alt-grab", 0, QEMU_OPTION_alt_grab }, |
| 8452 | { "no-quit", 0, QEMU_OPTION_no_quit }, |
| 8453 | #endif |
| 8454 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, |
| 8455 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, |
| 8456 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, |
| 8457 | { "smp", HAS_ARG, QEMU_OPTION_smp }, |
| 8458 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, |
| 8459 | #ifdef CONFIG_CURSES |
| 8460 | { "curses", 0, QEMU_OPTION_curses }, |
| 8461 | #endif |
| 8462 | |
| 8463 | /* temporary options */ |
| 8464 | { "usb", 0, QEMU_OPTION_usb }, |
| 8465 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, |
| 8466 | { "vmwarevga", 0, QEMU_OPTION_vmsvga }, |
| 8467 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, |
| 8468 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, |
| 8469 | { "no-shutdown", 0, QEMU_OPTION_no_shutdown }, |
| 8470 | { "show-cursor", 0, QEMU_OPTION_show_cursor }, |
| 8471 | { "daemonize", 0, QEMU_OPTION_daemonize }, |
| 8472 | { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, |
| 8473 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
| 8474 | { "semihosting", 0, QEMU_OPTION_semihosting }, |
| 8475 | #endif |
| 8476 | { "name", HAS_ARG, QEMU_OPTION_name }, |
| 8477 | #if defined(TARGET_SPARC) |
| 8478 | { "prom-env", HAS_ARG, QEMU_OPTION_prom_env }, |
| 8479 | #endif |
| 8480 | #if defined(TARGET_ARM) |
| 8481 | { "old-param", 0, QEMU_OPTION_old_param }, |
| 8482 | #endif |
| 8483 | |
| 8484 | /* android stuff */ |
| 8485 | { "noaudio", 0, QEMU_OPTION_noaudio }, |
| 8486 | { "mic", HAS_ARG, QEMU_OPTION_mic }, |
| 8487 | #ifdef CONFIG_TRACE |
| 8488 | { "trace", HAS_ARG, QEMU_OPTION_trace_file }, |
| 8489 | { "tracing", HAS_ARG, QEMU_OPTION_tracing }, |
| 8490 | { "trace_miss", 0, QEMU_OPTION_trace_miss }, |
| 8491 | { "trace_addr", 0, QEMU_OPTION_trace_addr }, |
| 8492 | { "dcache_load_miss", HAS_ARG, QEMU_OPTION_dcache_load_miss }, |
| 8493 | { "dcache_store_miss", HAS_ARG, QEMU_OPTION_dcache_store_miss }, |
| 8494 | #endif |
| 8495 | #ifdef CONFIG_NAND |
| 8496 | { "nand", HAS_ARG, QEMU_OPTION_nand }, |
| 8497 | #endif |
| 8498 | { "clock", HAS_ARG, QEMU_OPTION_clock }, |
| 8499 | { NULL, 0, 0 }, |
| 8500 | }; |
| 8501 | |
| 8502 | /* password input */ |
| 8503 | |
| 8504 | int qemu_key_check(BlockDriverState *bs, const char *name) |
| 8505 | { |
| 8506 | char password[256]; |
| 8507 | int i; |
| 8508 | |
| 8509 | if (!bdrv_is_encrypted(bs)) |
| 8510 | return 0; |
| 8511 | |
| 8512 | term_printf("%s is encrypted.\n", name); |
| 8513 | for(i = 0; i < 3; i++) { |
| 8514 | monitor_readline("Password: ", 1, password, sizeof(password)); |
| 8515 | if (bdrv_set_key(bs, password) == 0) |
| 8516 | return 0; |
| 8517 | term_printf("invalid password\n"); |
| 8518 | } |
| 8519 | return -EPERM; |
| 8520 | } |
| 8521 | |
| 8522 | static BlockDriverState *get_bdrv(int index) |
| 8523 | { |
| 8524 | if (index > nb_drives) |
| 8525 | return NULL; |
| 8526 | return drives_table[index].bdrv; |
| 8527 | } |
| 8528 | |
| 8529 | static void read_passwords(void) |
| 8530 | { |
| 8531 | BlockDriverState *bs; |
| 8532 | int i; |
| 8533 | |
| 8534 | for(i = 0; i < 6; i++) { |
| 8535 | bs = get_bdrv(i); |
| 8536 | if (bs) |
| 8537 | qemu_key_check(bs, bdrv_get_device_name(bs)); |
| 8538 | } |
| 8539 | } |
| 8540 | |
| 8541 | #ifdef HAS_AUDIO |
| 8542 | struct soundhw soundhw[] = { |
| 8543 | #if 0 /* ANDROID */ |
| 8544 | #ifdef TARGET_I386 |
| 8545 | { |
| 8546 | "pcspk", |
| 8547 | "PC speaker", |
| 8548 | 0, |
| 8549 | 1, |
| 8550 | { .init_isa = pcspk_audio_init } |
| 8551 | }, |
| 8552 | #endif |
| 8553 | { |
| 8554 | "sb16", |
| 8555 | "Creative Sound Blaster 16", |
| 8556 | 0, |
| 8557 | 1, |
| 8558 | { .init_isa = SB16_init } |
| 8559 | }, |
| 8560 | |
| 8561 | #ifdef CONFIG_CS4231A |
| 8562 | { |
| 8563 | "cs4231a", |
| 8564 | "CS4231A", |
| 8565 | 0, |
| 8566 | 1, |
| 8567 | { .init_isa = cs4231a_init } |
| 8568 | }, |
| 8569 | #endif |
| 8570 | |
| 8571 | #ifdef CONFIG_ADLIB |
| 8572 | { |
| 8573 | "adlib", |
| 8574 | #ifdef HAS_YMF262 |
| 8575 | "Yamaha YMF262 (OPL3)", |
| 8576 | #else |
| 8577 | "Yamaha YM3812 (OPL2)", |
| 8578 | #endif |
| 8579 | 0, |
| 8580 | 1, |
| 8581 | { .init_isa = Adlib_init } |
| 8582 | }, |
| 8583 | #endif |
| 8584 | |
| 8585 | #ifdef CONFIG_GUS |
| 8586 | { |
| 8587 | "gus", |
| 8588 | "Gravis Ultrasound GF1", |
| 8589 | 0, |
| 8590 | 1, |
| 8591 | { .init_isa = GUS_init } |
| 8592 | }, |
| 8593 | #endif |
| 8594 | |
| 8595 | #ifdef CONFIG_AC97 |
| 8596 | { |
| 8597 | "ac97", |
| 8598 | "Intel 82801AA AC97 Audio", |
| 8599 | 0, |
| 8600 | 0, |
| 8601 | { .init_pci = ac97_init } |
| 8602 | }, |
| 8603 | #endif |
| 8604 | |
| 8605 | { |
| 8606 | "es1370", |
| 8607 | "ENSONIQ AudioPCI ES1370", |
| 8608 | 0, |
| 8609 | 0, |
| 8610 | { .init_pci = es1370_init } |
| 8611 | }, |
| 8612 | #endif /* ANDROID */ |
| 8613 | |
| 8614 | { NULL, NULL, 0, 0, { NULL } } |
| 8615 | }; |
| 8616 | |
| 8617 | static void select_soundhw (const char *optarg) |
| 8618 | { |
| 8619 | struct soundhw *c; |
| 8620 | |
| 8621 | if (*optarg == '?') { |
| 8622 | show_valid_cards: |
| 8623 | |
| 8624 | printf ("Valid sound card names (comma separated):\n"); |
| 8625 | for (c = soundhw; c->name; ++c) { |
| 8626 | printf ("%-11s %s\n", c->name, c->descr); |
| 8627 | } |
| 8628 | printf ("\n-soundhw all will enable all of the above\n"); |
| 8629 | exit (*optarg != '?'); |
| 8630 | } |
| 8631 | else { |
| 8632 | size_t l; |
| 8633 | const char *p; |
| 8634 | char *e; |
| 8635 | int bad_card = 0; |
| 8636 | |
| 8637 | if (!strcmp (optarg, "all")) { |
| 8638 | for (c = soundhw; c->name; ++c) { |
| 8639 | c->enabled = 1; |
| 8640 | } |
| 8641 | return; |
| 8642 | } |
| 8643 | |
| 8644 | p = optarg; |
| 8645 | while (*p) { |
| 8646 | e = strchr (p, ','); |
| 8647 | l = !e ? strlen (p) : (size_t) (e - p); |
| 8648 | |
| 8649 | for (c = soundhw; c->name; ++c) { |
| 8650 | if (!strncmp (c->name, p, l)) { |
| 8651 | c->enabled = 1; |
| 8652 | break; |
| 8653 | } |
| 8654 | } |
| 8655 | |
| 8656 | if (!c->name) { |
| 8657 | if (l > 80) { |
| 8658 | fprintf (stderr, |
| 8659 | "Unknown sound card name (too big to show)\n"); |
| 8660 | } |
| 8661 | else { |
| 8662 | fprintf (stderr, "Unknown sound card name `%.*s'\n", |
| 8663 | (int) l, p); |
| 8664 | } |
| 8665 | bad_card = 1; |
| 8666 | } |
| 8667 | p += l + (e != NULL); |
| 8668 | } |
| 8669 | |
| 8670 | if (bad_card) |
| 8671 | goto show_valid_cards; |
| 8672 | } |
| 8673 | } |
| 8674 | #endif |
| 8675 | |
| 8676 | #ifdef _WIN32 |
| 8677 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) |
| 8678 | { |
| 8679 | exit(STATUS_CONTROL_C_EXIT); |
| 8680 | return TRUE; |
| 8681 | } |
| 8682 | #endif |
| 8683 | |
| 8684 | #define MAX_NET_CLIENTS 32 |
| 8685 | |
| 8686 | #ifndef _WIN32 |
| 8687 | |
| 8688 | static void termsig_handler(int signal) |
| 8689 | { |
| 8690 | qemu_system_shutdown_request(); |
| 8691 | } |
| 8692 | |
| 8693 | static void termsig_setup(void) |
| 8694 | { |
| 8695 | struct sigaction act; |
| 8696 | |
| 8697 | memset(&act, 0, sizeof(act)); |
| 8698 | act.sa_handler = termsig_handler; |
| 8699 | sigaction(SIGINT, &act, NULL); |
| 8700 | sigaction(SIGHUP, &act, NULL); |
| 8701 | sigaction(SIGTERM, &act, NULL); |
| 8702 | } |
| 8703 | |
| 8704 | #endif |
| 8705 | |
| 8706 | int main(int argc, char **argv) |
| 8707 | { |
| 8708 | #ifdef CONFIG_GDBSTUB |
| 8709 | int use_gdbstub; |
| 8710 | const char *gdbstub_port; |
| 8711 | #endif |
| 8712 | uint32_t boot_devices_bitmap = 0; |
| 8713 | int i; |
| 8714 | int snapshot, linux_boot, net_boot; |
| 8715 | const char *initrd_filename; |
| 8716 | const char *kernel_filename, *kernel_cmdline; |
| 8717 | const char *boot_devices = ""; |
| 8718 | DisplayState *ds = &display_state; |
| 8719 | int cyls, heads, secs, translation; |
| 8720 | const char *net_clients[MAX_NET_CLIENTS]; |
| 8721 | int nb_net_clients; |
| 8722 | int hda_index; |
| 8723 | int optind; |
| 8724 | const char *r, *optarg; |
| 8725 | CharDriverState *monitor_hd; |
| 8726 | const char *monitor_device; |
| 8727 | const char *serial_devices[MAX_SERIAL_PORTS]; |
| 8728 | int serial_device_index; |
| 8729 | const char *parallel_devices[MAX_PARALLEL_PORTS]; |
| 8730 | int parallel_device_index; |
| 8731 | const char *loadvm = NULL; |
| 8732 | QEMUMachine *machine; |
| 8733 | const char *cpu_model; |
| 8734 | const char *usb_devices[MAX_USB_CMDLINE]; |
| 8735 | int usb_devices_index; |
| 8736 | int fds[2]; |
| 8737 | int tb_size; |
| 8738 | const char *pid_file = NULL; |
| 8739 | VLANState *vlan; |
| 8740 | |
| 8741 | LIST_INIT (&vm_change_state_head); |
| 8742 | #ifndef _WIN32 |
| 8743 | { |
| 8744 | struct sigaction act; |
| 8745 | sigfillset(&act.sa_mask); |
| 8746 | act.sa_flags = 0; |
| 8747 | act.sa_handler = SIG_IGN; |
| 8748 | sigaction(SIGPIPE, &act, NULL); |
| 8749 | } |
| 8750 | #else |
| 8751 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
| 8752 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
| 8753 | QEMU to run on a single CPU */ |
| 8754 | { |
| 8755 | HANDLE h; |
| 8756 | DWORD mask, smask; |
| 8757 | int i; |
| 8758 | h = GetCurrentProcess(); |
| 8759 | if (GetProcessAffinityMask(h, &mask, &smask)) { |
| 8760 | for(i = 0; i < 32; i++) { |
| 8761 | if (mask & (1 << i)) |
| 8762 | break; |
| 8763 | } |
| 8764 | if (i != 32) { |
| 8765 | mask = 1 << i; |
| 8766 | SetProcessAffinityMask(h, mask); |
| 8767 | } |
| 8768 | } |
| 8769 | } |
| 8770 | #endif |
| 8771 | |
| 8772 | register_machines(); |
| 8773 | machine = first_machine; |
| 8774 | cpu_model = NULL; |
| 8775 | initrd_filename = NULL; |
| 8776 | ram_size = 0; |
| 8777 | vga_ram_size = VGA_RAM_SIZE; |
| 8778 | #ifdef CONFIG_GDBSTUB |
| 8779 | use_gdbstub = 0; |
| 8780 | gdbstub_port = DEFAULT_GDBSTUB_PORT; |
| 8781 | #endif |
| 8782 | snapshot = 0; |
| 8783 | nographic = 0; |
| 8784 | curses = 0; |
| 8785 | kernel_filename = NULL; |
| 8786 | kernel_cmdline = ""; |
| 8787 | cyls = heads = secs = 0; |
| 8788 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 8789 | monitor_device = "vc"; |
| 8790 | |
| 8791 | serial_devices[0] = "vc:80Cx24C"; |
| 8792 | for(i = 1; i < MAX_SERIAL_PORTS; i++) |
| 8793 | serial_devices[i] = NULL; |
| 8794 | serial_device_index = 0; |
| 8795 | |
| 8796 | parallel_devices[0] = "vc:640x480"; |
| 8797 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
| 8798 | parallel_devices[i] = NULL; |
| 8799 | parallel_device_index = 0; |
| 8800 | |
| 8801 | usb_devices_index = 0; |
| 8802 | |
| 8803 | nb_net_clients = 0; |
| 8804 | nb_drives = 0; |
| 8805 | nb_drives_opt = 0; |
| 8806 | hda_index = -1; |
| 8807 | |
| 8808 | nb_nics = 0; |
| 8809 | |
| 8810 | tb_size = 0; |
| 8811 | android_audio_enabled = 1; |
| 8812 | |
| 8813 | optind = 1; |
| 8814 | for(;;) { |
| 8815 | if (optind >= argc) |
| 8816 | break; |
| 8817 | r = argv[optind]; |
| 8818 | if (r[0] != '-') { |
| 8819 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); |
| 8820 | } else { |
| 8821 | const QEMUOption *popt; |
| 8822 | |
| 8823 | optind++; |
| 8824 | /* Treat --foo the same as -foo. */ |
| 8825 | if (r[1] == '-') |
| 8826 | r++; |
| 8827 | popt = qemu_options; |
| 8828 | for(;;) { |
| 8829 | if (!popt->name) { |
| 8830 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
| 8831 | argv[0], r); |
| 8832 | exit(1); |
| 8833 | } |
| 8834 | if (!strcmp(popt->name, r + 1)) |
| 8835 | break; |
| 8836 | popt++; |
| 8837 | } |
| 8838 | if (popt->flags & HAS_ARG) { |
| 8839 | if (optind >= argc) { |
| 8840 | fprintf(stderr, "%s: option '%s' requires an argument\n", |
| 8841 | argv[0], r); |
| 8842 | exit(1); |
| 8843 | } |
| 8844 | optarg = argv[optind++]; |
| 8845 | } else { |
| 8846 | optarg = NULL; |
| 8847 | } |
| 8848 | |
| 8849 | switch(popt->index) { |
| 8850 | case QEMU_OPTION_M: |
| 8851 | machine = find_machine(optarg); |
| 8852 | if (!machine) { |
| 8853 | QEMUMachine *m; |
| 8854 | printf("Supported machines are:\n"); |
| 8855 | for(m = first_machine; m != NULL; m = m->next) { |
| 8856 | printf("%-10s %s%s\n", |
| 8857 | m->name, m->desc, |
| 8858 | m == first_machine ? " (default)" : ""); |
| 8859 | } |
| 8860 | exit(*optarg != '?'); |
| 8861 | } |
| 8862 | break; |
| 8863 | case QEMU_OPTION_cpu: |
| 8864 | /* hw initialization will check this */ |
| 8865 | if (*optarg == '?') { |
| 8866 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
| 8867 | #if defined(cpu_list) |
| 8868 | cpu_list(stdout, &fprintf); |
| 8869 | #endif |
| 8870 | exit(0); |
| 8871 | } else { |
| 8872 | cpu_model = optarg; |
| 8873 | } |
| 8874 | break; |
| 8875 | case QEMU_OPTION_initrd: |
| 8876 | initrd_filename = optarg; |
| 8877 | break; |
| 8878 | case QEMU_OPTION_hda: |
| 8879 | if (cyls == 0) |
| 8880 | hda_index = drive_add(optarg, HD_ALIAS, 0); |
| 8881 | else |
| 8882 | hda_index = drive_add(optarg, HD_ALIAS |
| 8883 | ",cyls=%d,heads=%d,secs=%d%s", |
| 8884 | 0, cyls, heads, secs, |
| 8885 | translation == BIOS_ATA_TRANSLATION_LBA ? |
| 8886 | ",trans=lba" : |
| 8887 | translation == BIOS_ATA_TRANSLATION_NONE ? |
| 8888 | ",trans=none" : ""); |
| 8889 | break; |
| 8890 | case QEMU_OPTION_hdb: |
| 8891 | case QEMU_OPTION_hdc: |
| 8892 | case QEMU_OPTION_hdd: |
| 8893 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
| 8894 | break; |
| 8895 | case QEMU_OPTION_drive: |
| 8896 | drive_add(NULL, "%s", optarg); |
| 8897 | break; |
| 8898 | case QEMU_OPTION_mtdblock: |
| 8899 | drive_add(optarg, MTD_ALIAS); |
| 8900 | break; |
| 8901 | case QEMU_OPTION_sd: |
| 8902 | drive_add(optarg, SD_ALIAS); |
| 8903 | break; |
| 8904 | case QEMU_OPTION_pflash: |
| 8905 | drive_add(optarg, PFLASH_ALIAS); |
| 8906 | break; |
| 8907 | case QEMU_OPTION_snapshot: |
| 8908 | snapshot = 1; |
| 8909 | break; |
| 8910 | case QEMU_OPTION_hdachs: |
| 8911 | { |
| 8912 | const char *p; |
| 8913 | p = optarg; |
| 8914 | cyls = strtol(p, (char **)&p, 0); |
| 8915 | if (cyls < 1 || cyls > 16383) |
| 8916 | goto chs_fail; |
| 8917 | if (*p != ',') |
| 8918 | goto chs_fail; |
| 8919 | p++; |
| 8920 | heads = strtol(p, (char **)&p, 0); |
| 8921 | if (heads < 1 || heads > 16) |
| 8922 | goto chs_fail; |
| 8923 | if (*p != ',') |
| 8924 | goto chs_fail; |
| 8925 | p++; |
| 8926 | secs = strtol(p, (char **)&p, 0); |
| 8927 | if (secs < 1 || secs > 63) |
| 8928 | goto chs_fail; |
| 8929 | if (*p == ',') { |
| 8930 | p++; |
| 8931 | if (!strcmp(p, "none")) |
| 8932 | translation = BIOS_ATA_TRANSLATION_NONE; |
| 8933 | else if (!strcmp(p, "lba")) |
| 8934 | translation = BIOS_ATA_TRANSLATION_LBA; |
| 8935 | else if (!strcmp(p, "auto")) |
| 8936 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 8937 | else |
| 8938 | goto chs_fail; |
| 8939 | } else if (*p != '\0') { |
| 8940 | chs_fail: |
| 8941 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
| 8942 | exit(1); |
| 8943 | } |
| 8944 | if (hda_index != -1) |
| 8945 | snprintf(drives_opt[hda_index].opt, |
| 8946 | sizeof(drives_opt[hda_index].opt), |
| 8947 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", |
| 8948 | 0, cyls, heads, secs, |
| 8949 | translation == BIOS_ATA_TRANSLATION_LBA ? |
| 8950 | ",trans=lba" : |
| 8951 | translation == BIOS_ATA_TRANSLATION_NONE ? |
| 8952 | ",trans=none" : ""); |
| 8953 | } |
| 8954 | break; |
| 8955 | case QEMU_OPTION_nographic: |
| 8956 | nographic = 1; |
| 8957 | break; |
| 8958 | #ifdef CONFIG_CURSES |
| 8959 | case QEMU_OPTION_curses: |
| 8960 | curses = 1; |
| 8961 | break; |
| 8962 | #endif |
| 8963 | case QEMU_OPTION_portrait: |
| 8964 | graphic_rotate = 1; |
| 8965 | break; |
| 8966 | case QEMU_OPTION_kernel: |
| 8967 | kernel_filename = optarg; |
| 8968 | break; |
| 8969 | case QEMU_OPTION_append: |
| 8970 | kernel_cmdline = optarg; |
| 8971 | break; |
| 8972 | case QEMU_OPTION_cdrom: |
| 8973 | drive_add(optarg, CDROM_ALIAS); |
| 8974 | break; |
| 8975 | case QEMU_OPTION_boot: |
| 8976 | boot_devices = optarg; |
| 8977 | /* We just do some generic consistency checks */ |
| 8978 | { |
| 8979 | /* Could easily be extended to 64 devices if needed */ |
| 8980 | const char *p; |
| 8981 | |
| 8982 | boot_devices_bitmap = 0; |
| 8983 | for (p = boot_devices; *p != '\0'; p++) { |
| 8984 | /* Allowed boot devices are: |
| 8985 | * a b : floppy disk drives |
| 8986 | * c ... f : IDE disk drives |
| 8987 | * g ... m : machine implementation dependant drives |
| 8988 | * n ... p : network devices |
| 8989 | * It's up to each machine implementation to check |
| 8990 | * if the given boot devices match the actual hardware |
| 8991 | * implementation and firmware features. |
| 8992 | */ |
| 8993 | if (*p < 'a' || *p > 'q') { |
| 8994 | fprintf(stderr, "Invalid boot device '%c'\n", *p); |
| 8995 | exit(1); |
| 8996 | } |
| 8997 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
| 8998 | fprintf(stderr, |
| 8999 | "Boot device '%c' was given twice\n",*p); |
| 9000 | exit(1); |
| 9001 | } |
| 9002 | boot_devices_bitmap |= 1 << (*p - 'a'); |
| 9003 | } |
| 9004 | } |
| 9005 | break; |
| 9006 | case QEMU_OPTION_fda: |
| 9007 | case QEMU_OPTION_fdb: |
| 9008 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
| 9009 | break; |
| 9010 | #ifdef TARGET_I386 |
| 9011 | case QEMU_OPTION_no_fd_bootchk: |
| 9012 | fd_bootchk = 0; |
| 9013 | break; |
| 9014 | #endif |
| 9015 | case QEMU_OPTION_net: |
| 9016 | if (nb_net_clients >= MAX_NET_CLIENTS) { |
| 9017 | fprintf(stderr, "qemu: too many network clients\n"); |
| 9018 | exit(1); |
| 9019 | } |
| 9020 | net_clients[nb_net_clients] = optarg; |
| 9021 | nb_net_clients++; |
| 9022 | break; |
| 9023 | #ifdef CONFIG_SLIRP |
| 9024 | case QEMU_OPTION_tftp: |
| 9025 | tftp_prefix = optarg; |
| 9026 | break; |
| 9027 | case QEMU_OPTION_bootp: |
| 9028 | bootp_filename = optarg; |
| 9029 | break; |
| 9030 | #if 0 /* ANDROID disabled */ |
| 9031 | case QEMU_OPTION_smb: |
| 9032 | net_slirp_smb(optarg); |
| 9033 | break; |
| 9034 | #endif |
| 9035 | case QEMU_OPTION_redir: |
| 9036 | net_slirp_redir(optarg); |
| 9037 | break; |
| 9038 | #endif |
| 9039 | #ifdef HAS_AUDIO |
| 9040 | case QEMU_OPTION_audio_help: |
| 9041 | AUD_help (); |
| 9042 | exit (0); |
| 9043 | break; |
| 9044 | case QEMU_OPTION_soundhw: |
| 9045 | select_soundhw (optarg); |
| 9046 | break; |
| 9047 | #endif |
| 9048 | case QEMU_OPTION_h: |
| 9049 | qemu_help(0); |
| 9050 | break; |
| 9051 | case QEMU_OPTION_m: { |
| 9052 | uint64_t value; |
| 9053 | char *ptr; |
| 9054 | |
| 9055 | value = strtoul(optarg, &ptr, 10); |
| 9056 | switch (*ptr) { |
| 9057 | case 0: case 'M': case 'm': |
| 9058 | value <<= 20; |
| 9059 | break; |
| 9060 | case 'G': case 'g': |
| 9061 | value <<= 30; |
| 9062 | break; |
| 9063 | default: |
| 9064 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); |
| 9065 | exit(1); |
| 9066 | } |
| 9067 | |
| 9068 | /* On 32-bit hosts, QEMU is limited by virtual address space */ |
| 9069 | if (value > (2047 << 20) |
| 9070 | #ifndef USE_KQEMU |
| 9071 | && HOST_LONG_BITS == 32 |
| 9072 | #endif |
| 9073 | ) { |
| 9074 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
| 9075 | exit(1); |
| 9076 | } |
| 9077 | if (value != (uint64_t)(ram_addr_t)value) { |
| 9078 | fprintf(stderr, "qemu: ram size too large\n"); |
| 9079 | exit(1); |
| 9080 | } |
| 9081 | ram_size = value; |
| 9082 | break; |
| 9083 | } |
| 9084 | case QEMU_OPTION_d: |
| 9085 | { |
| 9086 | int mask; |
| 9087 | CPULogItem *item; |
| 9088 | |
| 9089 | mask = cpu_str_to_log_mask(optarg); |
| 9090 | if (!mask) { |
| 9091 | printf("Log items (comma separated):\n"); |
| 9092 | for(item = cpu_log_items; item->mask != 0; item++) { |
| 9093 | printf("%-10s %s\n", item->name, item->help); |
| 9094 | } |
| 9095 | exit(1); |
| 9096 | } |
| 9097 | cpu_set_log(mask); |
| 9098 | } |
| 9099 | break; |
| 9100 | #ifdef CONFIG_GDBSTUB |
| 9101 | case QEMU_OPTION_s: |
| 9102 | use_gdbstub = 1; |
| 9103 | break; |
| 9104 | case QEMU_OPTION_p: |
| 9105 | gdbstub_port = optarg; |
| 9106 | break; |
| 9107 | #endif |
| 9108 | case QEMU_OPTION_L: |
| 9109 | bios_dir = optarg; |
| 9110 | break; |
| 9111 | case QEMU_OPTION_S: |
| 9112 | #if 1 /* ANDROID */ |
| 9113 | fprintf(stderr, "Sorry, stopped launch is not supported in the Android emulator\n" ); |
| 9114 | exit(1); |
| 9115 | #else |
| 9116 | autostart = 0; |
| 9117 | break; |
| 9118 | #endif |
| 9119 | case QEMU_OPTION_k: |
| 9120 | keyboard_layout = optarg; |
| 9121 | break; |
| 9122 | case QEMU_OPTION_localtime: |
| 9123 | rtc_utc = 0; |
| 9124 | break; |
| 9125 | case QEMU_OPTION_cirrusvga: |
| 9126 | cirrus_vga_enabled = 1; |
| 9127 | vmsvga_enabled = 0; |
| 9128 | break; |
| 9129 | case QEMU_OPTION_vmsvga: |
| 9130 | cirrus_vga_enabled = 0; |
| 9131 | vmsvga_enabled = 1; |
| 9132 | break; |
| 9133 | case QEMU_OPTION_std_vga: |
| 9134 | cirrus_vga_enabled = 0; |
| 9135 | vmsvga_enabled = 0; |
| 9136 | break; |
| 9137 | case QEMU_OPTION_g: |
| 9138 | { |
| 9139 | const char *p; |
| 9140 | int w, h, depth; |
| 9141 | p = optarg; |
| 9142 | w = strtol(p, (char **)&p, 10); |
| 9143 | if (w <= 0) { |
| 9144 | graphic_error: |
| 9145 | fprintf(stderr, "qemu: invalid resolution or depth\n"); |
| 9146 | exit(1); |
| 9147 | } |
| 9148 | if (*p != 'x') |
| 9149 | goto graphic_error; |
| 9150 | p++; |
| 9151 | h = strtol(p, (char **)&p, 10); |
| 9152 | if (h <= 0) |
| 9153 | goto graphic_error; |
| 9154 | if (*p == 'x') { |
| 9155 | p++; |
| 9156 | depth = strtol(p, (char **)&p, 10); |
| 9157 | if (depth != 8 && depth != 15 && depth != 16 && |
| 9158 | depth != 24 && depth != 32) |
| 9159 | goto graphic_error; |
| 9160 | } else if (*p == '\0') { |
| 9161 | depth = graphic_depth; |
| 9162 | } else { |
| 9163 | goto graphic_error; |
| 9164 | } |
| 9165 | |
| 9166 | graphic_width = w; |
| 9167 | graphic_height = h; |
| 9168 | graphic_depth = depth; |
| 9169 | } |
| 9170 | break; |
| 9171 | case QEMU_OPTION_echr: |
| 9172 | { |
| 9173 | char *r; |
| 9174 | term_escape_char = strtol(optarg, &r, 0); |
| 9175 | if (r == optarg) |
| 9176 | printf("Bad argument to echr\n"); |
| 9177 | break; |
| 9178 | } |
| 9179 | case QEMU_OPTION_monitor: |
| 9180 | monitor_device = optarg; |
| 9181 | break; |
| 9182 | case QEMU_OPTION_serial: |
| 9183 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
| 9184 | fprintf(stderr, "qemu: too many serial ports\n"); |
| 9185 | exit(1); |
| 9186 | } |
| 9187 | serial_devices[serial_device_index] = optarg; |
| 9188 | serial_device_index++; |
| 9189 | break; |
| 9190 | case QEMU_OPTION_parallel: |
| 9191 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { |
| 9192 | fprintf(stderr, "qemu: too many parallel ports\n"); |
| 9193 | exit(1); |
| 9194 | } |
| 9195 | parallel_devices[parallel_device_index] = optarg; |
| 9196 | parallel_device_index++; |
| 9197 | break; |
| 9198 | case QEMU_OPTION_loadvm: |
| 9199 | loadvm = optarg; |
| 9200 | break; |
| 9201 | case QEMU_OPTION_full_screen: |
| 9202 | full_screen = 1; |
| 9203 | break; |
| 9204 | #ifdef CONFIG_SDL |
| 9205 | case QEMU_OPTION_no_frame: |
| 9206 | no_frame = 1; |
| 9207 | break; |
| 9208 | case QEMU_OPTION_alt_grab: |
| 9209 | alt_grab = 1; |
| 9210 | break; |
| 9211 | case QEMU_OPTION_no_quit: |
| 9212 | no_quit = 1; |
| 9213 | break; |
| 9214 | #endif |
| 9215 | case QEMU_OPTION_pidfile: |
| 9216 | pid_file = optarg; |
| 9217 | break; |
| 9218 | #ifdef TARGET_I386 |
| 9219 | case QEMU_OPTION_win2k_hack: |
| 9220 | win2k_install_hack = 1; |
| 9221 | break; |
| 9222 | #endif |
| 9223 | #ifdef USE_KQEMU |
| 9224 | case QEMU_OPTION_no_kqemu: |
| 9225 | kqemu_allowed = 0; |
| 9226 | break; |
| 9227 | case QEMU_OPTION_kernel_kqemu: |
| 9228 | kqemu_allowed = 2; |
| 9229 | break; |
| 9230 | #endif |
| 9231 | case QEMU_OPTION_usb: |
| 9232 | usb_enabled = 1; |
| 9233 | break; |
| 9234 | case QEMU_OPTION_usbdevice: |
| 9235 | usb_enabled = 1; |
| 9236 | if (usb_devices_index >= MAX_USB_CMDLINE) { |
| 9237 | fprintf(stderr, "Too many USB devices\n"); |
| 9238 | exit(1); |
| 9239 | } |
| 9240 | usb_devices[usb_devices_index] = optarg; |
| 9241 | usb_devices_index++; |
| 9242 | break; |
| 9243 | case QEMU_OPTION_smp: |
| 9244 | smp_cpus = atoi(optarg); |
| 9245 | if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { |
| 9246 | fprintf(stderr, "Invalid number of CPUs\n"); |
| 9247 | exit(1); |
| 9248 | } |
| 9249 | break; |
| 9250 | case QEMU_OPTION_vnc: |
| 9251 | vnc_display = optarg; |
| 9252 | break; |
| 9253 | case QEMU_OPTION_no_acpi: |
| 9254 | acpi_enabled = 0; |
| 9255 | break; |
| 9256 | case QEMU_OPTION_no_reboot: |
| 9257 | no_reboot = 1; |
| 9258 | break; |
| 9259 | case QEMU_OPTION_no_shutdown: |
| 9260 | no_shutdown = 1; |
| 9261 | break; |
| 9262 | case QEMU_OPTION_show_cursor: |
| 9263 | cursor_hide = 0; |
| 9264 | break; |
| 9265 | case QEMU_OPTION_daemonize: |
| 9266 | daemonize = 1; |
| 9267 | break; |
| 9268 | case QEMU_OPTION_option_rom: |
| 9269 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 9270 | fprintf(stderr, "Too many option ROMs\n"); |
| 9271 | exit(1); |
| 9272 | } |
| 9273 | option_rom[nb_option_roms] = optarg; |
| 9274 | nb_option_roms++; |
| 9275 | break; |
| 9276 | case QEMU_OPTION_semihosting: |
| 9277 | semihosting_enabled = 1; |
| 9278 | break; |
| 9279 | case QEMU_OPTION_name: |
| 9280 | qemu_name = optarg; |
| 9281 | break; |
| 9282 | #ifdef TARGET_SPARC |
| 9283 | case QEMU_OPTION_prom_env: |
| 9284 | if (nb_prom_envs >= MAX_PROM_ENVS) { |
| 9285 | fprintf(stderr, "Too many prom variables\n"); |
| 9286 | exit(1); |
| 9287 | } |
| 9288 | prom_envs[nb_prom_envs] = optarg; |
| 9289 | nb_prom_envs++; |
| 9290 | break; |
| 9291 | #endif |
| 9292 | #ifdef TARGET_ARM |
| 9293 | case QEMU_OPTION_old_param: |
| 9294 | old_param = 1; |
| 9295 | break; |
| 9296 | #endif |
| 9297 | case QEMU_OPTION_clock: |
| 9298 | configure_alarms(optarg); |
| 9299 | break; |
| 9300 | case QEMU_OPTION_startdate: |
| 9301 | { |
| 9302 | struct tm tm; |
| 9303 | time_t rtc_start_date; |
| 9304 | if (!strcmp(optarg, "now")) { |
| 9305 | rtc_date_offset = -1; |
| 9306 | } else { |
| 9307 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
| 9308 | &tm.tm_year, |
| 9309 | &tm.tm_mon, |
| 9310 | &tm.tm_mday, |
| 9311 | &tm.tm_hour, |
| 9312 | &tm.tm_min, |
| 9313 | &tm.tm_sec) == 6) { |
| 9314 | /* OK */ |
| 9315 | } else if (sscanf(optarg, "%d-%d-%d", |
| 9316 | &tm.tm_year, |
| 9317 | &tm.tm_mon, |
| 9318 | &tm.tm_mday) == 3) { |
| 9319 | tm.tm_hour = 0; |
| 9320 | tm.tm_min = 0; |
| 9321 | tm.tm_sec = 0; |
| 9322 | } else { |
| 9323 | goto date_fail; |
| 9324 | } |
| 9325 | tm.tm_year -= 1900; |
| 9326 | tm.tm_mon--; |
| 9327 | rtc_start_date = mktimegm(&tm); |
| 9328 | if (rtc_start_date == -1) { |
| 9329 | date_fail: |
| 9330 | fprintf(stderr, "Invalid date format. Valid format are:\n" |
| 9331 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); |
| 9332 | exit(1); |
| 9333 | } |
| 9334 | rtc_date_offset = time(NULL) - rtc_start_date; |
| 9335 | } |
| 9336 | } |
| 9337 | break; |
| 9338 | case QEMU_OPTION_tb_size: |
| 9339 | tb_size = strtol(optarg, NULL, 0); |
| 9340 | if (tb_size < 0) |
| 9341 | tb_size = 0; |
| 9342 | break; |
| 9343 | case QEMU_OPTION_icount: |
| 9344 | use_icount = 1; |
| 9345 | if (strcmp(optarg, "auto") == 0) { |
| 9346 | icount_time_shift = -1; |
| 9347 | } else { |
| 9348 | icount_time_shift = strtol(optarg, NULL, 0); |
| 9349 | } |
| 9350 | break; |
| 9351 | |
| 9352 | case QEMU_OPTION_noaudio: |
| 9353 | android_audio_enabled = 0; |
| 9354 | break; |
| 9355 | case QEMU_OPTION_mic: |
| 9356 | audio_input_source = (char*)optarg; |
| 9357 | break; |
| 9358 | #ifdef CONFIG_TRACE |
| 9359 | case QEMU_OPTION_trace_file: |
| 9360 | trace_filename = optarg; |
| 9361 | tracing = 1; |
| 9362 | break; |
| 9363 | case QEMU_OPTION_trace_miss: |
| 9364 | trace_cache_miss = 1; |
| 9365 | break; |
| 9366 | case QEMU_OPTION_trace_addr: |
| 9367 | trace_all_addr = 1; |
| 9368 | break; |
| 9369 | case QEMU_OPTION_tracing: |
| 9370 | if (strcmp(optarg, "off") == 0) |
| 9371 | tracing = 0; |
| 9372 | else if (strcmp(optarg, "on") == 0 && trace_filename) |
| 9373 | tracing = 1; |
| 9374 | else { |
| 9375 | fprintf(stderr, "Unexpected option to -tracing ('%s')\n", |
| 9376 | optarg); |
| 9377 | exit(1); |
| 9378 | } |
| 9379 | break; |
| 9380 | case QEMU_OPTION_dcache_load_miss: |
| 9381 | dcache_load_miss_penalty = atoi(optarg); |
| 9382 | break; |
| 9383 | case QEMU_OPTION_dcache_store_miss: |
| 9384 | dcache_store_miss_penalty = atoi(optarg); |
| 9385 | break; |
| 9386 | #endif |
| 9387 | #ifdef CONFIG_NAND |
| 9388 | case QEMU_OPTION_nand: |
| 9389 | nand_add_dev(optarg); |
| 9390 | break; |
| 9391 | #endif |
| 9392 | } |
| 9393 | } |
| 9394 | } |
| 9395 | |
| 9396 | if (nographic) { |
| 9397 | if (serial_device_index == 0) |
| 9398 | serial_devices[0] = "stdio"; |
| 9399 | if (parallel_device_index == 0) |
| 9400 | parallel_devices[0] = "null"; |
| 9401 | if (strncmp(monitor_device, "vc", 2) == 0) |
| 9402 | monitor_device = "stdio"; |
| 9403 | } |
| 9404 | |
| 9405 | #ifndef _WIN32 |
| 9406 | if (daemonize) { |
| 9407 | pid_t pid; |
| 9408 | |
| 9409 | if (pipe(fds) == -1) |
| 9410 | exit(1); |
| 9411 | |
| 9412 | pid = fork(); |
| 9413 | if (pid > 0) { |
| 9414 | uint8_t status; |
| 9415 | ssize_t len; |
| 9416 | |
| 9417 | close(fds[1]); |
| 9418 | |
| 9419 | again: |
| 9420 | len = read(fds[0], &status, 1); |
| 9421 | if (len == -1 && (errno == EINTR)) |
| 9422 | goto again; |
| 9423 | |
| 9424 | if (len != 1) |
| 9425 | exit(1); |
| 9426 | else if (status == 1) { |
| 9427 | fprintf(stderr, "Could not acquire pidfile\n"); |
| 9428 | exit(1); |
| 9429 | } else |
| 9430 | exit(0); |
| 9431 | } else if (pid < 0) |
| 9432 | exit(1); |
| 9433 | |
| 9434 | setsid(); |
| 9435 | |
| 9436 | pid = fork(); |
| 9437 | if (pid > 0) |
| 9438 | exit(0); |
| 9439 | else if (pid < 0) |
| 9440 | exit(1); |
| 9441 | |
| 9442 | umask(027); |
| 9443 | |
| 9444 | signal(SIGTSTP, SIG_IGN); |
| 9445 | signal(SIGTTOU, SIG_IGN); |
| 9446 | signal(SIGTTIN, SIG_IGN); |
| 9447 | } |
| 9448 | #endif |
| 9449 | |
| 9450 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
| 9451 | if (daemonize) { |
| 9452 | uint8_t status = 1; |
| 9453 | write(fds[1], &status, 1); |
| 9454 | } else |
| 9455 | fprintf(stderr, "Could not acquire pid file\n"); |
| 9456 | exit(1); |
| 9457 | } |
| 9458 | |
| 9459 | #ifdef USE_KQEMU |
| 9460 | if (smp_cpus > 1) |
| 9461 | kqemu_allowed = 0; |
| 9462 | #endif |
| 9463 | linux_boot = (kernel_filename != NULL); |
| 9464 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
| 9465 | |
| 9466 | if (!linux_boot && net_boot == 0 && |
| 9467 | !machine->nodisk_ok && nb_drives_opt == 0) |
| 9468 | qemu_help(1); |
| 9469 | |
| 9470 | if (!linux_boot && *kernel_cmdline != '\0') { |
| 9471 | fprintf(stderr, "-append only allowed with -kernel option\n"); |
| 9472 | exit(1); |
| 9473 | } |
| 9474 | |
| 9475 | if (!linux_boot && initrd_filename != NULL) { |
| 9476 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); |
| 9477 | exit(1); |
| 9478 | } |
| 9479 | |
| 9480 | /* boot to floppy or the default cd if no hard disk defined yet */ |
| 9481 | if (!boot_devices[0]) { |
| 9482 | boot_devices = "cad"; |
| 9483 | } |
| 9484 | setvbuf(stdout, NULL, _IOLBF, 0); |
| 9485 | |
| 9486 | init_timers(); |
| 9487 | init_timer_alarm(); |
| 9488 | qemu_aio_init(); |
| 9489 | if (use_icount && icount_time_shift < 0) { |
| 9490 | use_icount = 2; |
| 9491 | /* 125MIPS seems a reasonable initial guess at the guest speed. |
| 9492 | It will be corrected fairly quickly anyway. */ |
| 9493 | icount_time_shift = 3; |
| 9494 | init_icount_adjust(); |
| 9495 | } |
| 9496 | |
| 9497 | #ifdef _WIN32 |
| 9498 | socket_init(); |
| 9499 | #endif |
| 9500 | |
| 9501 | /* init network clients */ |
| 9502 | if (nb_net_clients == 0) { |
| 9503 | /* if no clients, we use a default config */ |
| 9504 | net_clients[nb_net_clients++] = "nic"; |
| 9505 | #ifdef CONFIG_SLIRP |
| 9506 | net_clients[nb_net_clients++] = "user"; |
| 9507 | #endif |
| 9508 | } |
| 9509 | |
| 9510 | for(i = 0;i < nb_net_clients; i++) { |
| 9511 | if (net_client_parse(net_clients[i]) < 0) |
| 9512 | exit(1); |
| 9513 | } |
| 9514 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 9515 | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
| 9516 | continue; |
| 9517 | if (vlan->nb_guest_devs == 0) |
| 9518 | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); |
| 9519 | if (vlan->nb_host_devs == 0) |
| 9520 | fprintf(stderr, |
| 9521 | "Warning: vlan %d is not connected to host network\n", |
| 9522 | vlan->id); |
| 9523 | } |
| 9524 | |
| 9525 | #ifdef TARGET_I386 |
| 9526 | /* XXX: this should be moved in the PC machine instantiation code */ |
| 9527 | if (net_boot != 0) { |
| 9528 | int netroms = 0; |
| 9529 | for (i = 0; i < nb_nics && i < 4; i++) { |
| 9530 | const char *model = nd_table[i].model; |
| 9531 | char buf[1024]; |
| 9532 | if (net_boot & (1 << i)) { |
| 9533 | if (model == NULL) |
| 9534 | model = "ne2k_pci"; |
| 9535 | snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); |
| 9536 | if (get_image_size(buf) > 0) { |
| 9537 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 9538 | fprintf(stderr, "Too many option ROMs\n"); |
| 9539 | exit(1); |
| 9540 | } |
| 9541 | option_rom[nb_option_roms] = strdup(buf); |
| 9542 | nb_option_roms++; |
| 9543 | netroms++; |
| 9544 | } |
| 9545 | } |
| 9546 | } |
| 9547 | if (netroms == 0) { |
| 9548 | fprintf(stderr, "No valid PXE rom found for network device\n"); |
| 9549 | exit(1); |
| 9550 | } |
| 9551 | } |
| 9552 | #endif |
| 9553 | |
| 9554 | /* init the memory */ |
| 9555 | phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; |
| 9556 | |
| 9557 | if (machine->ram_require & RAMSIZE_FIXED) { |
| 9558 | if (ram_size > 0) { |
| 9559 | if (ram_size < phys_ram_size) { |
| 9560 | fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n", |
| 9561 | machine->name, (unsigned long long) phys_ram_size); |
| 9562 | exit(-1); |
| 9563 | } |
| 9564 | |
| 9565 | phys_ram_size = ram_size; |
| 9566 | } else |
| 9567 | ram_size = phys_ram_size; |
| 9568 | } else { |
| 9569 | if (ram_size == 0) |
| 9570 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
| 9571 | |
| 9572 | phys_ram_size += ram_size; |
| 9573 | } |
| 9574 | |
| 9575 | phys_ram_base = qemu_vmalloc(phys_ram_size); |
| 9576 | if (!phys_ram_base) { |
| 9577 | fprintf(stderr, "Could not allocate physical memory\n"); |
| 9578 | exit(1); |
| 9579 | } |
| 9580 | |
| 9581 | /* init the dynamic translator */ |
| 9582 | cpu_exec_init_all(tb_size * 1024 * 1024); |
| 9583 | |
| 9584 | bdrv_init(); |
| 9585 | |
| 9586 | /* we always create the cdrom drive, even if no disk is there */ |
| 9587 | |
| 9588 | if (nb_drives_opt < MAX_DRIVES) |
| 9589 | drive_add(NULL, CDROM_ALIAS); |
| 9590 | |
| 9591 | /* we always create at least one floppy */ |
| 9592 | |
| 9593 | if (nb_drives_opt < MAX_DRIVES) |
| 9594 | drive_add(NULL, FD_ALIAS, 0); |
| 9595 | |
| 9596 | /* we always create one sd slot, even if no card is in it */ |
| 9597 | |
| 9598 | if (nb_drives_opt < MAX_DRIVES) |
| 9599 | drive_add(NULL, SD_ALIAS); |
| 9600 | |
| 9601 | /* open the virtual block devices */ |
| 9602 | |
| 9603 | for(i = 0; i < nb_drives_opt; i++) |
| 9604 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
| 9605 | exit(1); |
| 9606 | |
| 9607 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
| 9608 | register_savevm("ram", 0, 2, ram_save, ram_load, NULL); |
| 9609 | |
| 9610 | /* terminal init */ |
| 9611 | memset(&display_state, 0, sizeof(display_state)); |
| 9612 | if (nographic) { |
| 9613 | if (curses) { |
| 9614 | fprintf(stderr, "fatal: -nographic can't be used with -curses\n"); |
| 9615 | exit(1); |
| 9616 | } |
| 9617 | /* nearly nothing to do */ |
| 9618 | dumb_display_init(ds); |
| 9619 | } else if (vnc_display != NULL) { |
| 9620 | vnc_display_init(ds); |
| 9621 | if (vnc_display_open(ds, vnc_display) < 0) |
| 9622 | exit(1); |
| 9623 | } else |
| 9624 | #if defined(CONFIG_CURSES) |
| 9625 | if (curses) { |
| 9626 | curses_display_init(ds, full_screen); |
| 9627 | } else |
| 9628 | #endif |
| 9629 | { |
| 9630 | #if defined(CONFIG_SDL) |
| 9631 | sdl_display_init(ds, full_screen, no_frame); |
| 9632 | #elif defined(CONFIG_COCOA) |
| 9633 | cocoa_display_init(ds, full_screen); |
| 9634 | #else |
| 9635 | dumb_display_init(ds); |
| 9636 | #endif |
| 9637 | } |
| 9638 | |
| 9639 | #ifndef _WIN32 |
| 9640 | /* must be after terminal init, SDL library changes signal handlers */ |
| 9641 | termsig_setup(); |
| 9642 | #endif |
| 9643 | |
| 9644 | /* Maintain compatibility with multiple stdio monitors */ |
| 9645 | if (!strcmp(monitor_device,"stdio")) { |
| 9646 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 9647 | const char *devname = serial_devices[i]; |
| 9648 | if (devname && !strcmp(devname,"mon:stdio")) { |
| 9649 | monitor_device = NULL; |
| 9650 | break; |
| 9651 | } else if (devname && !strcmp(devname,"stdio")) { |
| 9652 | monitor_device = NULL; |
| 9653 | serial_devices[i] = "mon:stdio"; |
| 9654 | break; |
| 9655 | } |
| 9656 | } |
| 9657 | } |
| 9658 | if (monitor_device) { |
| 9659 | monitor_hd = qemu_chr_open(monitor_device); |
| 9660 | if (!monitor_hd) { |
| 9661 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); |
| 9662 | exit(1); |
| 9663 | } |
| 9664 | monitor_init(monitor_hd, !nographic); |
| 9665 | } |
| 9666 | |
| 9667 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 9668 | const char *devname = serial_devices[i]; |
| 9669 | if (devname && strcmp(devname, "none")) { |
| 9670 | serial_hds[i] = qemu_chr_open(devname); |
| 9671 | if (!serial_hds[i]) { |
| 9672 | fprintf(stderr, "qemu: could not open serial device '%s'\n", |
| 9673 | devname); |
| 9674 | exit(1); |
| 9675 | } |
| 9676 | if (strstart(devname, "vc", 0)) |
| 9677 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); |
| 9678 | } |
| 9679 | } |
| 9680 | |
| 9681 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 9682 | const char *devname = parallel_devices[i]; |
| 9683 | if (devname && strcmp(devname, "none")) { |
| 9684 | parallel_hds[i] = qemu_chr_open(devname); |
| 9685 | if (!parallel_hds[i]) { |
| 9686 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", |
| 9687 | devname); |
| 9688 | exit(1); |
| 9689 | } |
| 9690 | if (strstart(devname, "vc", 0)) |
| 9691 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); |
| 9692 | } |
| 9693 | } |
| 9694 | |
| 9695 | #ifdef CONFIG_TRACE |
| 9696 | if (trace_filename) { |
| 9697 | trace_init(trace_filename); |
| 9698 | dcache_init(dcache_size, dcache_ways, dcache_line_size, |
| 9699 | dcache_replace_policy, dcache_load_miss_penalty, |
| 9700 | dcache_store_miss_penalty); |
| 9701 | fprintf(stderr, "-- When done tracing, exit the emulator. --\n"); |
| 9702 | } |
| 9703 | #endif |
| 9704 | |
| 9705 | machine->init(ram_size, vga_ram_size, boot_devices, ds, |
| 9706 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
| 9707 | |
| 9708 | /* init USB devices */ |
| 9709 | if (usb_enabled) { |
| 9710 | for(i = 0; i < usb_devices_index; i++) { |
| 9711 | if (usb_device_add(usb_devices[i]) < 0) { |
| 9712 | fprintf(stderr, "Warning: could not add USB device %s\n", |
| 9713 | usb_devices[i]); |
| 9714 | } |
| 9715 | } |
| 9716 | } |
| 9717 | |
| 9718 | if (display_state.dpy_refresh) { |
| 9719 | display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); |
| 9720 | qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); |
| 9721 | } |
| 9722 | |
| 9723 | #ifdef CONFIG_GDBSTUB |
| 9724 | if (use_gdbstub) { |
| 9725 | /* XXX: use standard host:port notation and modify options |
| 9726 | accordingly. */ |
| 9727 | if (gdbserver_start(gdbstub_port) < 0) { |
| 9728 | fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", |
| 9729 | gdbstub_port); |
| 9730 | exit(1); |
| 9731 | } |
| 9732 | } |
| 9733 | #endif |
| 9734 | |
| 9735 | if (loadvm) |
| 9736 | do_loadvm(loadvm); |
| 9737 | |
| 9738 | /* call android-specific setup function */ |
| 9739 | android_emulation_setup(); |
| 9740 | |
| 9741 | { |
| 9742 | /* XXX: simplify init */ |
| 9743 | read_passwords(); |
| 9744 | if (autostart) { |
| 9745 | vm_start(); |
| 9746 | } |
| 9747 | } |
| 9748 | |
| 9749 | if (daemonize) { |
| 9750 | uint8_t status = 0; |
| 9751 | ssize_t len; |
| 9752 | int fd; |
| 9753 | |
| 9754 | again1: |
| 9755 | len = write(fds[1], &status, 1); |
| 9756 | if (len == -1 && (errno == EINTR)) |
| 9757 | goto again1; |
| 9758 | |
| 9759 | if (len != 1) |
| 9760 | exit(1); |
| 9761 | |
| 9762 | chdir("/"); |
| 9763 | TFR(fd = open("/dev/null", O_RDWR)); |
| 9764 | if (fd == -1) |
| 9765 | exit(1); |
| 9766 | |
| 9767 | dup2(fd, 0); |
| 9768 | dup2(fd, 1); |
| 9769 | dup2(fd, 2); |
| 9770 | |
| 9771 | close(fd); |
| 9772 | } |
| 9773 | |
| 9774 | main_loop(); |
| 9775 | quit_timers(); |
| 9776 | |
| 9777 | #if !defined(_WIN32) |
| 9778 | /* close network clients */ |
| 9779 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { |
| 9780 | VLANClientState *vc; |
| 9781 | |
| 9782 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { |
| 9783 | if (vc->fd_read == tap_receive) { |
| 9784 | char ifname[64]; |
| 9785 | TAPState *s = vc->opaque; |
| 9786 | |
| 9787 | if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 && |
| 9788 | s->down_script[0]) |
| 9789 | launch_script(s->down_script, ifname, s->fd); |
| 9790 | } |
| 9791 | #if defined(CONFIG_VDE) |
| 9792 | if (vc->fd_read == vde_from_qemu) { |
| 9793 | VDEState *s = vc->opaque; |
| 9794 | vde_close(s->vde); |
| 9795 | } |
| 9796 | #endif |
| 9797 | } |
| 9798 | } |
| 9799 | #endif |
| 9800 | |
| 9801 | android_emulation_teardown(); |
| 9802 | return 0; |
| 9803 | } |