David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [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 "hw/goldfish_nand.h" |
| 40 | #include "net.h" |
| 41 | #include "console.h" |
| 42 | #include "sysemu.h" |
| 43 | #include "gdbstub.h" |
| 44 | #include "qemu-timer.h" |
| 45 | #include "qemu-char.h" |
| 46 | #include "block.h" |
| 47 | #include "audio/audio.h" |
| 48 | |
| 49 | #include "qemu_file.h" |
| 50 | #include "android/android.h" |
| 51 | #include "charpipe.h" |
| 52 | #include "shaper.h" |
| 53 | #include "modem_driver.h" |
| 54 | #include "android/gps.h" |
| 55 | #include "android/hw-qemud.h" |
| 56 | #include "android/hw-kmsg.h" |
| 57 | #include "tcpdump.h" |
| 58 | #include "targphys.h" |
| 59 | |
| 60 | #include <unistd.h> |
| 61 | #include <fcntl.h> |
| 62 | #include <signal.h> |
| 63 | #include <time.h> |
| 64 | #include <errno.h> |
| 65 | #include <sys/time.h> |
| 66 | #include <zlib.h> |
| 67 | |
David 'Digit' Turner | 2c538c8 | 2010-05-10 16:48:20 -0700 | [diff] [blame] | 68 | /* Needed early for CONFIG_BSD etc. */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 69 | #include "config-host.h" |
| 70 | |
| 71 | #ifndef _WIN32 |
| 72 | #include <libgen.h> |
| 73 | #include <pwd.h> |
| 74 | #include <sys/times.h> |
| 75 | #include <sys/wait.h> |
| 76 | #include <termios.h> |
| 77 | #include <sys/mman.h> |
| 78 | #include <sys/ioctl.h> |
| 79 | #include <sys/resource.h> |
| 80 | #include <sys/socket.h> |
| 81 | #include <netinet/in.h> |
| 82 | #include <net/if.h> |
| 83 | #if defined(__NetBSD__) |
| 84 | #include <net/if_tap.h> |
| 85 | #endif |
| 86 | #ifdef __linux__ |
| 87 | #include <linux/if_tun.h> |
| 88 | #endif |
| 89 | #include <arpa/inet.h> |
| 90 | #include <dirent.h> |
| 91 | #include <netdb.h> |
| 92 | #include <sys/select.h> |
David 'Digit' Turner | 2c538c8 | 2010-05-10 16:48:20 -0700 | [diff] [blame] | 93 | #ifdef CONFIG_BSD |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 94 | #include <sys/stat.h> |
| 95 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
| 96 | #include <libutil.h> |
| 97 | #else |
| 98 | #include <util.h> |
| 99 | #endif |
| 100 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
| 101 | #include <freebsd/stdlib.h> |
| 102 | #else |
| 103 | #ifdef __linux__ |
| 104 | #include <pty.h> |
| 105 | #include <malloc.h> |
| 106 | #include <linux/rtc.h> |
| 107 | |
| 108 | /* For the benefit of older linux systems which don't supply it, |
| 109 | we use a local copy of hpet.h. */ |
| 110 | /* #include <linux/hpet.h> */ |
| 111 | #include "hpet.h" |
| 112 | |
| 113 | #include <linux/ppdev.h> |
| 114 | #include <linux/parport.h> |
| 115 | #endif |
| 116 | #ifdef __sun__ |
| 117 | #include <sys/stat.h> |
| 118 | #include <sys/ethernet.h> |
| 119 | #include <sys/sockio.h> |
| 120 | #include <netinet/arp.h> |
| 121 | #include <netinet/in.h> |
| 122 | #include <netinet/in_systm.h> |
| 123 | #include <netinet/ip.h> |
| 124 | #include <netinet/ip_icmp.h> // must come after ip.h |
| 125 | #include <netinet/udp.h> |
| 126 | #include <netinet/tcp.h> |
| 127 | #include <net/if.h> |
| 128 | #include <syslog.h> |
| 129 | #include <stropts.h> |
| 130 | #endif |
| 131 | #endif |
| 132 | #endif |
| 133 | |
| 134 | #if defined(__OpenBSD__) |
| 135 | #include <util.h> |
| 136 | #endif |
| 137 | |
| 138 | #if defined(CONFIG_VDE) |
| 139 | #include <libvdeplug.h> |
| 140 | #endif |
| 141 | |
| 142 | #ifdef _WIN32 |
| 143 | #include <windows.h> |
| 144 | #include <malloc.h> |
| 145 | #include <sys/timeb.h> |
| 146 | #include <mmsystem.h> |
| 147 | #define getopt_long_only getopt_long |
| 148 | #define memalign(align, size) malloc(size) |
| 149 | #endif |
| 150 | |
| 151 | |
| 152 | #ifdef CONFIG_COCOA |
| 153 | #undef main |
| 154 | #define main qemu_main |
| 155 | #endif /* CONFIG_COCOA */ |
| 156 | |
| 157 | #include "hw/hw.h" |
| 158 | #include "hw/boards.h" |
| 159 | #include "hw/usb.h" |
| 160 | #include "hw/pcmcia.h" |
| 161 | #include "hw/pc.h" |
| 162 | #include "hw/audiodev.h" |
| 163 | #include "hw/isa.h" |
| 164 | #include "hw/baum.h" |
| 165 | #include "hw/bt.h" |
| 166 | #include "hw/watchdog.h" |
| 167 | #include "hw/smbios.h" |
| 168 | #include "hw/xen.h" |
| 169 | #include "bt-host.h" |
| 170 | #include "net.h" |
| 171 | #include "monitor.h" |
| 172 | #include "console.h" |
| 173 | #include "sysemu.h" |
| 174 | #include "gdbstub.h" |
| 175 | #include "qemu-timer.h" |
| 176 | #include "qemu-char.h" |
| 177 | #include "cache-utils.h" |
| 178 | #include "block.h" |
| 179 | #include "dma.h" |
| 180 | #include "audio/audio.h" |
| 181 | #include "migration.h" |
| 182 | #include "kvm.h" |
| 183 | #include "balloon.h" |
| 184 | |
| 185 | #ifdef CONFIG_SKINS |
| 186 | #undef main |
| 187 | #define main qemu_main |
| 188 | #endif |
| 189 | |
| 190 | #include "disas.h" |
| 191 | |
| 192 | #include "exec-all.h" |
| 193 | |
| 194 | #ifdef CONFIG_TRACE |
| 195 | #include "trace.h" |
| 196 | #include "dcache.h" |
| 197 | #endif |
| 198 | |
| 199 | #include "qemu_socket.h" |
| 200 | |
| 201 | #if defined(CONFIG_SLIRP) |
| 202 | #include "libslirp.h" |
| 203 | #endif |
| 204 | |
| 205 | //#define DEBUG_UNUSED_IOPORT |
| 206 | //#define DEBUG_IOPORT |
| 207 | //#define DEBUG_NET |
| 208 | //#define DEBUG_SLIRP |
| 209 | |
| 210 | |
| 211 | #ifdef DEBUG_IOPORT |
| 212 | # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__) |
| 213 | #else |
| 214 | # define LOG_IOPORT(...) do { } while (0) |
| 215 | #endif |
| 216 | |
| 217 | #define DEFAULT_RAM_SIZE 128 |
| 218 | |
| 219 | /* Max number of USB devices that can be specified on the commandline. */ |
| 220 | #define MAX_USB_CMDLINE 8 |
| 221 | |
| 222 | /* Max number of bluetooth switches on the commandline. */ |
| 223 | #define MAX_BT_CMDLINE 10 |
| 224 | |
| 225 | /* XXX: use a two level table to limit memory usage */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 226 | |
| 227 | static const char *data_dir; |
| 228 | const char *bios_name = NULL; |
| 229 | static void *ioport_opaque[MAX_IOPORTS]; |
| 230 | static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
| 231 | static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; |
| 232 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
| 233 | to store the VM snapshots */ |
| 234 | DriveInfo drives_table[MAX_DRIVES+1]; |
| 235 | int nb_drives; |
| 236 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
| 237 | static DisplayState *display_state; |
| 238 | DisplayType display_type = DT_DEFAULT; |
| 239 | const char* keyboard_layout = NULL; |
| 240 | int64_t ticks_per_sec; |
| 241 | ram_addr_t ram_size; |
| 242 | int nb_nics; |
| 243 | NICInfo nd_table[MAX_NICS]; |
| 244 | int vm_running; |
| 245 | static int autostart; |
| 246 | static int rtc_utc = 1; |
| 247 | static int rtc_date_offset = -1; /* -1 means no change */ |
| 248 | int cirrus_vga_enabled = 1; |
| 249 | int std_vga_enabled = 0; |
| 250 | int vmsvga_enabled = 0; |
| 251 | int xenfb_enabled = 0; |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 252 | QEMUClock *rtc_clock; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 253 | #ifdef TARGET_SPARC |
| 254 | int graphic_width = 1024; |
| 255 | int graphic_height = 768; |
| 256 | int graphic_depth = 8; |
| 257 | #else |
| 258 | int graphic_width = 800; |
| 259 | int graphic_height = 600; |
| 260 | int graphic_depth = 15; |
| 261 | #endif |
| 262 | static int full_screen = 0; |
| 263 | #ifdef CONFIG_SDL |
| 264 | static int no_frame = 0; |
| 265 | #endif |
| 266 | int no_quit = 0; |
| 267 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
| 268 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
| 269 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
| 270 | #ifdef TARGET_I386 |
| 271 | int win2k_install_hack = 0; |
| 272 | int rtc_td_hack = 0; |
| 273 | #endif |
| 274 | int usb_enabled = 0; |
| 275 | int singlestep = 0; |
| 276 | int smp_cpus = 1; |
| 277 | const char *vnc_display; |
| 278 | int acpi_enabled = 1; |
| 279 | int no_hpet = 0; |
| 280 | int no_virtio_balloon = 0; |
| 281 | int fd_bootchk = 1; |
| 282 | int no_reboot = 0; |
| 283 | int no_shutdown = 0; |
| 284 | int cursor_hide = 1; |
| 285 | int graphic_rotate = 0; |
| 286 | #ifndef _WIN32 |
| 287 | int daemonize = 0; |
| 288 | #endif |
| 289 | WatchdogTimerModel *watchdog = NULL; |
| 290 | int watchdog_action = WDT_RESET; |
| 291 | const char *option_rom[MAX_OPTION_ROMS]; |
| 292 | int nb_option_roms; |
| 293 | int semihosting_enabled = 0; |
| 294 | #ifdef TARGET_ARM |
| 295 | int old_param = 0; |
| 296 | #endif |
| 297 | const char *qemu_name; |
| 298 | int alt_grab = 0; |
| 299 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
| 300 | unsigned int nb_prom_envs = 0; |
| 301 | const char *prom_envs[MAX_PROM_ENVS]; |
| 302 | #endif |
| 303 | int nb_drives_opt; |
| 304 | struct drive_opt drives_opt[MAX_DRIVES]; |
| 305 | |
| 306 | int nb_numa_nodes; |
| 307 | uint64_t node_mem[MAX_NODES]; |
| 308 | uint64_t node_cpumask[MAX_NODES]; |
| 309 | |
| 310 | static CPUState *cur_cpu; |
| 311 | static CPUState *next_cpu; |
| 312 | static int timer_alarm_pending = 1; |
| 313 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
| 314 | static int icount_time_shift; |
| 315 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
| 316 | #define MAX_ICOUNT_SHIFT 10 |
| 317 | /* Compensate for varying guest execution speed. */ |
| 318 | static int64_t qemu_icount_bias; |
| 319 | static QEMUTimer *icount_rt_timer; |
| 320 | static QEMUTimer *icount_vm_timer; |
| 321 | static QEMUTimer *nographic_timer; |
| 322 | |
| 323 | uint8_t qemu_uuid[16]; |
| 324 | |
| 325 | |
| 326 | extern int qemu_cpu_delay; |
| 327 | extern char* audio_input_source; |
| 328 | |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 329 | extern char* android_op_ports; |
| 330 | extern char* android_op_port; |
| 331 | extern char* android_op_report_console; |
| 332 | extern char* op_http_proxy; |
| 333 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 334 | extern void dprint( const char* format, ... ); |
| 335 | |
| 336 | #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
| 337 | |
| 338 | /***********************************************************/ |
| 339 | /* x86 ISA bus support */ |
| 340 | |
| 341 | target_phys_addr_t isa_mem_base = 0; |
| 342 | PicState2 *isa_pic; |
| 343 | |
| 344 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; |
| 345 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; |
| 346 | |
| 347 | static uint32_t ioport_read(int index, uint32_t address) |
| 348 | { |
| 349 | static IOPortReadFunc *default_func[3] = { |
| 350 | default_ioport_readb, |
| 351 | default_ioport_readw, |
| 352 | default_ioport_readl |
| 353 | }; |
| 354 | IOPortReadFunc *func = ioport_read_table[index][address]; |
| 355 | if (!func) |
| 356 | func = default_func[index]; |
| 357 | return func(ioport_opaque[address], address); |
| 358 | } |
| 359 | |
| 360 | static void ioport_write(int index, uint32_t address, uint32_t data) |
| 361 | { |
| 362 | static IOPortWriteFunc *default_func[3] = { |
| 363 | default_ioport_writeb, |
| 364 | default_ioport_writew, |
| 365 | default_ioport_writel |
| 366 | }; |
| 367 | IOPortWriteFunc *func = ioport_write_table[index][address]; |
| 368 | if (!func) |
| 369 | func = default_func[index]; |
| 370 | func(ioport_opaque[address], address, data); |
| 371 | } |
| 372 | |
| 373 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) |
| 374 | { |
| 375 | #ifdef DEBUG_UNUSED_IOPORT |
| 376 | fprintf(stderr, "unused inb: port=0x%04x\n", address); |
| 377 | #endif |
| 378 | return 0xff; |
| 379 | } |
| 380 | |
| 381 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
| 382 | { |
| 383 | #ifdef DEBUG_UNUSED_IOPORT |
| 384 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); |
| 385 | #endif |
| 386 | } |
| 387 | |
| 388 | /* default is to make two byte accesses */ |
| 389 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) |
| 390 | { |
| 391 | uint32_t data; |
| 392 | data = ioport_read(0, address); |
| 393 | address = (address + 1) & (MAX_IOPORTS - 1); |
| 394 | data |= ioport_read(0, address) << 8; |
| 395 | return data; |
| 396 | } |
| 397 | |
| 398 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
| 399 | { |
| 400 | ioport_write(0, address, data & 0xff); |
| 401 | address = (address + 1) & (MAX_IOPORTS - 1); |
| 402 | ioport_write(0, address, (data >> 8) & 0xff); |
| 403 | } |
| 404 | |
| 405 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) |
| 406 | { |
| 407 | #ifdef DEBUG_UNUSED_IOPORT |
| 408 | fprintf(stderr, "unused inl: port=0x%04x\n", address); |
| 409 | #endif |
| 410 | return 0xffffffff; |
| 411 | } |
| 412 | |
| 413 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
| 414 | { |
| 415 | #ifdef DEBUG_UNUSED_IOPORT |
| 416 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); |
| 417 | #endif |
| 418 | } |
| 419 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 420 | /***********************************************************/ |
| 421 | void hw_error(const char *fmt, ...) |
| 422 | { |
| 423 | va_list ap; |
| 424 | CPUState *env; |
| 425 | |
| 426 | va_start(ap, fmt); |
| 427 | fprintf(stderr, "qemu: hardware error: "); |
| 428 | vfprintf(stderr, fmt, ap); |
| 429 | fprintf(stderr, "\n"); |
| 430 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
| 431 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); |
| 432 | #ifdef TARGET_I386 |
| 433 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
| 434 | #else |
| 435 | cpu_dump_state(env, stderr, fprintf, 0); |
| 436 | #endif |
| 437 | } |
| 438 | va_end(ap); |
| 439 | abort(); |
| 440 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 441 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 442 | static void set_proc_name(const char *s) |
| 443 | { |
| 444 | #if defined(__linux__) && defined(PR_SET_NAME) |
| 445 | char name[16]; |
| 446 | if (!s) |
| 447 | return; |
| 448 | name[sizeof(name) - 1] = 0; |
| 449 | strncpy(name, s, sizeof(name)); |
| 450 | /* Could rewrite argv[0] too, but that's a bit more complicated. |
| 451 | This simple way is enough for `top'. */ |
| 452 | prctl(PR_SET_NAME, name); |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 453 | #endif |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 454 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 455 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 456 | /***************/ |
| 457 | /* ballooning */ |
| 458 | |
| 459 | static QEMUBalloonEvent *qemu_balloon_event; |
| 460 | void *qemu_balloon_event_opaque; |
| 461 | |
| 462 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) |
| 463 | { |
| 464 | qemu_balloon_event = func; |
| 465 | qemu_balloon_event_opaque = opaque; |
| 466 | } |
| 467 | |
| 468 | void qemu_balloon(ram_addr_t target) |
| 469 | { |
| 470 | if (qemu_balloon_event) |
| 471 | qemu_balloon_event(qemu_balloon_event_opaque, target); |
| 472 | } |
| 473 | |
| 474 | ram_addr_t qemu_balloon_status(void) |
| 475 | { |
| 476 | if (qemu_balloon_event) |
| 477 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); |
| 478 | return 0; |
| 479 | } |
| 480 | |
| 481 | /***********************************************************/ |
| 482 | /* keyboard/mouse */ |
| 483 | |
| 484 | static QEMUPutKBDEvent* qemu_put_kbd_event; |
| 485 | static void* qemu_put_kbd_event_opaque; |
| 486 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 487 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
| 488 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; |
| 489 | |
| 490 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
| 491 | { |
| 492 | qemu_put_kbd_event_opaque = opaque; |
| 493 | qemu_put_kbd_event = func; |
| 494 | } |
| 495 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 496 | #if 0 |
| 497 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) |
| 498 | { |
| 499 | qemu_put_mouse_event_opaque = opaque; |
| 500 | qemu_put_mouse_event = func; |
| 501 | qemu_put_mouse_event_absolute = absolute; |
| 502 | } |
| 503 | #else |
| 504 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
| 505 | void *opaque, int absolute, |
| 506 | const char *name) |
| 507 | { |
| 508 | QEMUPutMouseEntry *s, *cursor; |
| 509 | |
| 510 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); |
| 511 | if (!s) |
| 512 | return NULL; |
| 513 | |
| 514 | s->qemu_put_mouse_event = func; |
| 515 | s->qemu_put_mouse_event_opaque = opaque; |
| 516 | s->qemu_put_mouse_event_absolute = absolute; |
| 517 | s->qemu_put_mouse_event_name = qemu_strdup(name); |
| 518 | s->next = NULL; |
| 519 | |
| 520 | if (!qemu_put_mouse_event_head) { |
| 521 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
| 522 | return s; |
| 523 | } |
| 524 | |
| 525 | cursor = qemu_put_mouse_event_head; |
| 526 | while (cursor->next != NULL) |
| 527 | cursor = cursor->next; |
| 528 | |
| 529 | cursor->next = s; |
| 530 | qemu_put_mouse_event_current = s; |
| 531 | |
| 532 | return s; |
| 533 | } |
| 534 | |
| 535 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) |
| 536 | { |
| 537 | QEMUPutMouseEntry *prev = NULL, *cursor; |
| 538 | |
| 539 | if (!qemu_put_mouse_event_head || entry == NULL) |
| 540 | return; |
| 541 | |
| 542 | cursor = qemu_put_mouse_event_head; |
| 543 | while (cursor != NULL && cursor != entry) { |
| 544 | prev = cursor; |
| 545 | cursor = cursor->next; |
| 546 | } |
| 547 | |
| 548 | if (cursor == NULL) // does not exist or list empty |
| 549 | return; |
| 550 | else if (prev == NULL) { // entry is head |
| 551 | qemu_put_mouse_event_head = cursor->next; |
| 552 | if (qemu_put_mouse_event_current == entry) |
| 553 | qemu_put_mouse_event_current = cursor->next; |
| 554 | qemu_free(entry->qemu_put_mouse_event_name); |
| 555 | qemu_free(entry); |
| 556 | return; |
| 557 | } |
| 558 | |
| 559 | prev->next = entry->next; |
| 560 | |
| 561 | if (qemu_put_mouse_event_current == entry) |
| 562 | qemu_put_mouse_event_current = prev; |
| 563 | |
| 564 | qemu_free(entry->qemu_put_mouse_event_name); |
| 565 | qemu_free(entry); |
| 566 | } |
| 567 | #endif |
| 568 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 569 | void kbd_put_keycode(int keycode) |
| 570 | { |
| 571 | if (qemu_put_kbd_event) { |
| 572 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
| 573 | } |
| 574 | } |
| 575 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 576 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
| 577 | { |
| 578 | QEMUPutMouseEvent *mouse_event; |
| 579 | void *mouse_event_opaque; |
| 580 | int width; |
| 581 | |
| 582 | if (!qemu_put_mouse_event_current) { |
| 583 | return; |
| 584 | } |
| 585 | |
| 586 | mouse_event = |
| 587 | qemu_put_mouse_event_current->qemu_put_mouse_event; |
| 588 | mouse_event_opaque = |
| 589 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
| 590 | |
| 591 | if (mouse_event) { |
| 592 | if (graphic_rotate) { |
| 593 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) |
| 594 | width = 0x7fff; |
| 595 | else |
| 596 | width = graphic_width - 1; |
| 597 | mouse_event(mouse_event_opaque, |
| 598 | width - dy, dx, dz, buttons_state); |
| 599 | } else |
| 600 | mouse_event(mouse_event_opaque, |
| 601 | dx, dy, dz, buttons_state); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | int kbd_mouse_is_absolute(void) |
| 606 | { |
| 607 | if (!qemu_put_mouse_event_current) |
| 608 | return 0; |
| 609 | |
| 610 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; |
| 611 | } |
| 612 | |
| 613 | void do_info_mice(Monitor *mon) |
| 614 | { |
| 615 | QEMUPutMouseEntry *cursor; |
| 616 | int index = 0; |
| 617 | |
| 618 | if (!qemu_put_mouse_event_head) { |
| 619 | monitor_printf(mon, "No mouse devices connected\n"); |
| 620 | return; |
| 621 | } |
| 622 | |
| 623 | monitor_printf(mon, "Mouse devices available:\n"); |
| 624 | cursor = qemu_put_mouse_event_head; |
| 625 | while (cursor != NULL) { |
| 626 | monitor_printf(mon, "%c Mouse #%d: %s\n", |
| 627 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), |
| 628 | index, cursor->qemu_put_mouse_event_name); |
| 629 | index++; |
| 630 | cursor = cursor->next; |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | void do_mouse_set(Monitor *mon, int index) |
| 635 | { |
| 636 | QEMUPutMouseEntry *cursor; |
| 637 | int i = 0; |
| 638 | |
| 639 | if (!qemu_put_mouse_event_head) { |
| 640 | monitor_printf(mon, "No mouse devices connected\n"); |
| 641 | return; |
| 642 | } |
| 643 | |
| 644 | cursor = qemu_put_mouse_event_head; |
| 645 | while (cursor != NULL && index != i) { |
| 646 | i++; |
| 647 | cursor = cursor->next; |
| 648 | } |
| 649 | |
| 650 | if (cursor != NULL) |
| 651 | qemu_put_mouse_event_current = cursor; |
| 652 | else |
| 653 | monitor_printf(mon, "Mouse at given index not found\n"); |
| 654 | } |
| 655 | |
| 656 | /* compute with 96 bit intermediate result: (a*b)/c */ |
| 657 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| 658 | { |
| 659 | union { |
| 660 | uint64_t ll; |
| 661 | struct { |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 662 | #ifdef HOST_WORDS_BIGENDIAN |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 663 | uint32_t high, low; |
| 664 | #else |
| 665 | uint32_t low, high; |
| 666 | #endif |
| 667 | } l; |
| 668 | } u, res; |
| 669 | uint64_t rl, rh; |
| 670 | |
| 671 | u.ll = a; |
| 672 | rl = (uint64_t)u.l.low * (uint64_t)b; |
| 673 | rh = (uint64_t)u.l.high * (uint64_t)b; |
| 674 | rh += (rl >> 32); |
| 675 | res.l.high = rh / c; |
| 676 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| 677 | return res.ll; |
| 678 | } |
| 679 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 680 | static int64_t get_clock_realtime(void) |
| 681 | { |
| 682 | struct timeval tv; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 683 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 684 | gettimeofday(&tv, NULL); |
| 685 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
| 686 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 687 | |
| 688 | #ifdef WIN32 |
| 689 | |
| 690 | static int64_t clock_freq; |
| 691 | |
| 692 | static void init_get_clock(void) |
| 693 | { |
| 694 | LARGE_INTEGER freq; |
| 695 | int ret; |
| 696 | ret = QueryPerformanceFrequency(&freq); |
| 697 | if (ret == 0) { |
| 698 | fprintf(stderr, "Could not calibrate ticks\n"); |
| 699 | exit(1); |
| 700 | } |
| 701 | clock_freq = freq.QuadPart; |
| 702 | } |
| 703 | |
| 704 | static int64_t get_clock(void) |
| 705 | { |
| 706 | LARGE_INTEGER ti; |
| 707 | QueryPerformanceCounter(&ti); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 708 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 709 | } |
| 710 | |
| 711 | #else |
| 712 | |
| 713 | static int use_rt_clock; |
| 714 | |
| 715 | static void init_get_clock(void) |
| 716 | { |
| 717 | use_rt_clock = 0; |
| 718 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 719 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 720 | { |
| 721 | struct timespec ts; |
| 722 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
| 723 | use_rt_clock = 1; |
| 724 | } |
| 725 | } |
| 726 | #endif |
| 727 | } |
| 728 | |
| 729 | static int64_t get_clock(void) |
| 730 | { |
| 731 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 732 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 733 | if (use_rt_clock) { |
| 734 | struct timespec ts; |
| 735 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 736 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
| 737 | } else |
| 738 | #endif |
| 739 | { |
| 740 | /* XXX: using gettimeofday leads to problems if the date |
| 741 | changes, so it should be avoided. */ |
| 742 | struct timeval tv; |
| 743 | gettimeofday(&tv, NULL); |
| 744 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
| 745 | } |
| 746 | } |
| 747 | #endif |
| 748 | |
| 749 | /* Return the virtual CPU time, based on the instruction counter. */ |
| 750 | static int64_t cpu_get_icount(void) |
| 751 | { |
| 752 | int64_t icount; |
| 753 | CPUState *env = cpu_single_env;; |
| 754 | icount = qemu_icount; |
| 755 | if (env) { |
| 756 | if (!can_do_io(env)) |
| 757 | fprintf(stderr, "Bad clock read\n"); |
| 758 | icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 759 | } |
| 760 | return qemu_icount_bias + (icount << icount_time_shift); |
| 761 | } |
| 762 | |
| 763 | /***********************************************************/ |
| 764 | /* guest cycle counter */ |
| 765 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 766 | typedef struct TimersState { |
| 767 | int64_t cpu_ticks_prev; |
| 768 | int64_t cpu_ticks_offset; |
| 769 | int64_t cpu_clock_offset; |
| 770 | int32_t cpu_ticks_enabled; |
| 771 | int64_t dummy; |
| 772 | } TimersState; |
| 773 | |
| 774 | TimersState timers_state; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 775 | |
| 776 | /* return the host CPU cycle counter and handle stop/restart */ |
| 777 | int64_t cpu_get_ticks(void) |
| 778 | { |
| 779 | if (use_icount) { |
| 780 | return cpu_get_icount(); |
| 781 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 782 | if (!timers_state.cpu_ticks_enabled) { |
| 783 | return timers_state.cpu_ticks_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 784 | } else { |
| 785 | int64_t ticks; |
| 786 | ticks = cpu_get_real_ticks(); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 787 | if (timers_state.cpu_ticks_prev > ticks) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 788 | /* Note: non increasing ticks may happen if the host uses |
| 789 | software suspend */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 790 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 791 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 792 | timers_state.cpu_ticks_prev = ticks; |
| 793 | return ticks + timers_state.cpu_ticks_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 794 | } |
| 795 | } |
| 796 | |
| 797 | /* return the host CPU monotonic timer and handle stop/restart */ |
| 798 | static int64_t cpu_get_clock(void) |
| 799 | { |
| 800 | int64_t ti; |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 801 | if (!timers_state.cpu_ticks_enabled) { |
| 802 | return timers_state.cpu_clock_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 803 | } else { |
| 804 | ti = get_clock(); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 805 | return ti + timers_state.cpu_clock_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 806 | } |
| 807 | } |
| 808 | |
| 809 | /* enable cpu_get_ticks() */ |
| 810 | void cpu_enable_ticks(void) |
| 811 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 812 | if (!timers_state.cpu_ticks_enabled) { |
| 813 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); |
| 814 | timers_state.cpu_clock_offset -= get_clock(); |
| 815 | timers_state.cpu_ticks_enabled = 1; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 816 | } |
| 817 | } |
| 818 | |
| 819 | /* disable cpu_get_ticks() : the clock is stopped. You must not call |
| 820 | cpu_get_ticks() after that. */ |
| 821 | void cpu_disable_ticks(void) |
| 822 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 823 | if (timers_state.cpu_ticks_enabled) { |
| 824 | timers_state.cpu_ticks_offset = cpu_get_ticks(); |
| 825 | timers_state.cpu_clock_offset = cpu_get_clock(); |
| 826 | timers_state.cpu_ticks_enabled = 0; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 827 | } |
| 828 | } |
| 829 | |
| 830 | /***********************************************************/ |
| 831 | /* timers */ |
| 832 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 833 | #define QEMU_CLOCK_REALTIME 0 |
| 834 | #define QEMU_CLOCK_VIRTUAL 1 |
| 835 | #define QEMU_CLOCK_HOST 2 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 836 | |
| 837 | struct QEMUClock { |
| 838 | int type; |
| 839 | /* XXX: add frequency */ |
| 840 | }; |
| 841 | |
| 842 | struct QEMUTimer { |
| 843 | QEMUClock *clock; |
| 844 | int64_t expire_time; |
| 845 | QEMUTimerCB *cb; |
| 846 | void *opaque; |
| 847 | struct QEMUTimer *next; |
| 848 | }; |
| 849 | |
| 850 | struct qemu_alarm_timer { |
| 851 | char const *name; |
| 852 | unsigned int flags; |
| 853 | |
| 854 | int (*start)(struct qemu_alarm_timer *t); |
| 855 | void (*stop)(struct qemu_alarm_timer *t); |
| 856 | void (*rearm)(struct qemu_alarm_timer *t); |
| 857 | void *priv; |
| 858 | }; |
| 859 | |
| 860 | #define ALARM_FLAG_DYNTICKS 0x1 |
| 861 | #define ALARM_FLAG_EXPIRED 0x2 |
| 862 | |
| 863 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
| 864 | { |
| 865 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
| 866 | } |
| 867 | |
| 868 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
| 869 | { |
| 870 | if (!alarm_has_dynticks(t)) |
| 871 | return; |
| 872 | |
| 873 | t->rearm(t); |
| 874 | } |
| 875 | |
| 876 | /* TODO: MIN_TIMER_REARM_US should be optimized */ |
| 877 | #define MIN_TIMER_REARM_US 250 |
| 878 | |
| 879 | static struct qemu_alarm_timer *alarm_timer; |
| 880 | |
| 881 | #ifdef _WIN32 |
| 882 | |
| 883 | struct qemu_alarm_win32 { |
| 884 | MMRESULT timerId; |
| 885 | unsigned int period; |
| 886 | } alarm_win32_data = {0, -1}; |
| 887 | |
| 888 | static int win32_start_timer(struct qemu_alarm_timer *t); |
| 889 | static void win32_stop_timer(struct qemu_alarm_timer *t); |
| 890 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
| 891 | |
| 892 | #else |
| 893 | |
| 894 | static int unix_start_timer(struct qemu_alarm_timer *t); |
| 895 | static void unix_stop_timer(struct qemu_alarm_timer *t); |
| 896 | |
| 897 | #ifdef __linux__ |
| 898 | |
| 899 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
| 900 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
| 901 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
| 902 | |
| 903 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
| 904 | static void hpet_stop_timer(struct qemu_alarm_timer *t); |
| 905 | |
| 906 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
| 907 | static void rtc_stop_timer(struct qemu_alarm_timer *t); |
| 908 | |
| 909 | #endif /* __linux__ */ |
| 910 | |
| 911 | #endif /* _WIN32 */ |
| 912 | |
| 913 | /* Correlation between real and virtual time is always going to be |
| 914 | fairly approximate, so ignore small variation. |
| 915 | When the guest is idle real and virtual time will be aligned in |
| 916 | the IO wait loop. */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 917 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 918 | |
| 919 | static void icount_adjust(void) |
| 920 | { |
| 921 | int64_t cur_time; |
| 922 | int64_t cur_icount; |
| 923 | int64_t delta; |
| 924 | static int64_t last_delta; |
| 925 | /* If the VM is not running, then do nothing. */ |
| 926 | if (!vm_running) |
| 927 | return; |
| 928 | |
| 929 | cur_time = cpu_get_clock(); |
| 930 | cur_icount = qemu_get_clock(vm_clock); |
| 931 | delta = cur_icount - cur_time; |
| 932 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ |
| 933 | if (delta > 0 |
| 934 | && last_delta + ICOUNT_WOBBLE < delta * 2 |
| 935 | && icount_time_shift > 0) { |
| 936 | /* The guest is getting too far ahead. Slow time down. */ |
| 937 | icount_time_shift--; |
| 938 | } |
| 939 | if (delta < 0 |
| 940 | && last_delta - ICOUNT_WOBBLE > delta * 2 |
| 941 | && icount_time_shift < MAX_ICOUNT_SHIFT) { |
| 942 | /* The guest is getting too far behind. Speed time up. */ |
| 943 | icount_time_shift++; |
| 944 | } |
| 945 | last_delta = delta; |
| 946 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
| 947 | } |
| 948 | |
| 949 | static void icount_adjust_rt(void * opaque) |
| 950 | { |
| 951 | qemu_mod_timer(icount_rt_timer, |
| 952 | qemu_get_clock(rt_clock) + 1000); |
| 953 | icount_adjust(); |
| 954 | } |
| 955 | |
| 956 | static void icount_adjust_vm(void * opaque) |
| 957 | { |
| 958 | qemu_mod_timer(icount_vm_timer, |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 959 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 960 | icount_adjust(); |
| 961 | } |
| 962 | |
| 963 | static void init_icount_adjust(void) |
| 964 | { |
| 965 | /* Have both realtime and virtual time triggers for speed adjustment. |
| 966 | The realtime trigger catches emulated time passing too slowly, |
| 967 | the virtual time trigger catches emulated time passing too fast. |
| 968 | Realtime triggers occur even when idle, so use them less frequently |
| 969 | than VM triggers. */ |
| 970 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); |
| 971 | qemu_mod_timer(icount_rt_timer, |
| 972 | qemu_get_clock(rt_clock) + 1000); |
| 973 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); |
| 974 | qemu_mod_timer(icount_vm_timer, |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 975 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 976 | } |
| 977 | |
| 978 | static struct qemu_alarm_timer alarm_timers[] = { |
| 979 | #ifndef _WIN32 |
| 980 | #ifdef __linux__ |
| 981 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
| 982 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, |
| 983 | /* HPET - if available - is preferred */ |
| 984 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
| 985 | /* ...otherwise try RTC */ |
| 986 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
| 987 | #endif |
| 988 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
| 989 | #else |
| 990 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
| 991 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
| 992 | {"win32", 0, win32_start_timer, |
| 993 | win32_stop_timer, NULL, &alarm_win32_data}, |
| 994 | #endif |
| 995 | {NULL, 0, NULL, NULL, NULL, NULL} |
| 996 | }; |
| 997 | |
| 998 | static void show_available_alarms(void) |
| 999 | { |
| 1000 | int i; |
| 1001 | |
| 1002 | printf("Available alarm timers, in order of precedence:\n"); |
| 1003 | for (i = 0; alarm_timers[i].name; i++) |
| 1004 | printf("%s\n", alarm_timers[i].name); |
| 1005 | } |
| 1006 | |
| 1007 | static void configure_alarms(char const *opt) |
| 1008 | { |
| 1009 | int i; |
| 1010 | int cur = 0; |
| 1011 | int count = ARRAY_SIZE(alarm_timers) - 1; |
| 1012 | char *arg; |
| 1013 | char *name; |
| 1014 | struct qemu_alarm_timer tmp; |
| 1015 | |
| 1016 | if (!strcmp(opt, "?")) { |
| 1017 | show_available_alarms(); |
| 1018 | exit(0); |
| 1019 | } |
| 1020 | |
| 1021 | arg = strdup(opt); |
| 1022 | |
| 1023 | /* Reorder the array */ |
| 1024 | name = strtok(arg, ","); |
| 1025 | while (name) { |
| 1026 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
| 1027 | if (!strcmp(alarm_timers[i].name, name)) |
| 1028 | break; |
| 1029 | } |
| 1030 | |
| 1031 | if (i == count) { |
| 1032 | fprintf(stderr, "Unknown clock %s\n", name); |
| 1033 | goto next; |
| 1034 | } |
| 1035 | |
| 1036 | if (i < cur) |
| 1037 | /* Ignore */ |
| 1038 | goto next; |
| 1039 | |
| 1040 | /* Swap */ |
| 1041 | tmp = alarm_timers[i]; |
| 1042 | alarm_timers[i] = alarm_timers[cur]; |
| 1043 | alarm_timers[cur] = tmp; |
| 1044 | |
| 1045 | cur++; |
| 1046 | next: |
| 1047 | name = strtok(NULL, ","); |
| 1048 | } |
| 1049 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1050 | qemu_free(arg); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1051 | |
| 1052 | if (cur) { |
| 1053 | /* Disable remaining timers */ |
| 1054 | for (i = cur; i < count; i++) |
| 1055 | alarm_timers[i].name = NULL; |
| 1056 | } else { |
| 1057 | show_available_alarms(); |
| 1058 | exit(1); |
| 1059 | } |
| 1060 | } |
| 1061 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1062 | #define QEMU_NUM_CLOCKS 3 |
| 1063 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1064 | QEMUClock *rt_clock; |
| 1065 | QEMUClock *vm_clock; |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1066 | QEMUClock *host_clock; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1067 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1068 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1069 | |
| 1070 | static QEMUClock *qemu_new_clock(int type) |
| 1071 | { |
| 1072 | QEMUClock *clock; |
| 1073 | clock = qemu_mallocz(sizeof(QEMUClock)); |
| 1074 | clock->type = type; |
| 1075 | return clock; |
| 1076 | } |
| 1077 | |
| 1078 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) |
| 1079 | { |
| 1080 | QEMUTimer *ts; |
| 1081 | |
| 1082 | ts = qemu_mallocz(sizeof(QEMUTimer)); |
| 1083 | ts->clock = clock; |
| 1084 | ts->cb = cb; |
| 1085 | ts->opaque = opaque; |
| 1086 | return ts; |
| 1087 | } |
| 1088 | |
| 1089 | void qemu_free_timer(QEMUTimer *ts) |
| 1090 | { |
| 1091 | qemu_free(ts); |
| 1092 | } |
| 1093 | |
| 1094 | /* stop a timer, but do not dealloc it */ |
| 1095 | void qemu_del_timer(QEMUTimer *ts) |
| 1096 | { |
| 1097 | QEMUTimer **pt, *t; |
| 1098 | |
| 1099 | /* NOTE: this code must be signal safe because |
| 1100 | qemu_timer_expired() can be called from a signal. */ |
| 1101 | pt = &active_timers[ts->clock->type]; |
| 1102 | for(;;) { |
| 1103 | t = *pt; |
| 1104 | if (!t) |
| 1105 | break; |
| 1106 | if (t == ts) { |
| 1107 | *pt = t->next; |
| 1108 | break; |
| 1109 | } |
| 1110 | pt = &t->next; |
| 1111 | } |
| 1112 | } |
| 1113 | |
| 1114 | /* modify the current timer so that it will be fired when current_time |
| 1115 | >= expire_time. The corresponding callback will be called. */ |
| 1116 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) |
| 1117 | { |
| 1118 | QEMUTimer **pt, *t; |
| 1119 | |
| 1120 | qemu_del_timer(ts); |
| 1121 | |
| 1122 | /* add the timer in the sorted list */ |
| 1123 | /* NOTE: this code must be signal safe because |
| 1124 | qemu_timer_expired() can be called from a signal. */ |
| 1125 | pt = &active_timers[ts->clock->type]; |
| 1126 | for(;;) { |
| 1127 | t = *pt; |
| 1128 | if (!t) |
| 1129 | break; |
| 1130 | if (t->expire_time > expire_time) |
| 1131 | break; |
| 1132 | pt = &t->next; |
| 1133 | } |
| 1134 | ts->expire_time = expire_time; |
| 1135 | ts->next = *pt; |
| 1136 | *pt = ts; |
| 1137 | |
| 1138 | /* Rearm if necessary */ |
| 1139 | if (pt == &active_timers[ts->clock->type]) { |
| 1140 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
| 1141 | qemu_rearm_alarm_timer(alarm_timer); |
| 1142 | } |
| 1143 | /* Interrupt execution to force deadline recalculation. */ |
| 1144 | if (use_icount) |
| 1145 | qemu_notify_event(); |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | int qemu_timer_pending(QEMUTimer *ts) |
| 1150 | { |
| 1151 | QEMUTimer *t; |
| 1152 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
| 1153 | if (t == ts) |
| 1154 | return 1; |
| 1155 | } |
| 1156 | return 0; |
| 1157 | } |
| 1158 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1159 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1160 | { |
| 1161 | if (!timer_head) |
| 1162 | return 0; |
| 1163 | return (timer_head->expire_time <= current_time); |
| 1164 | } |
| 1165 | |
| 1166 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
| 1167 | { |
| 1168 | QEMUTimer *ts; |
| 1169 | |
| 1170 | for(;;) { |
| 1171 | ts = *ptimer_head; |
| 1172 | if (!ts || ts->expire_time > current_time) |
| 1173 | break; |
| 1174 | /* remove timer from the list before calling the callback */ |
| 1175 | *ptimer_head = ts->next; |
| 1176 | ts->next = NULL; |
| 1177 | |
| 1178 | /* run the callback (the timer list can be modified) */ |
| 1179 | ts->cb(ts->opaque); |
| 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | int64_t qemu_get_clock(QEMUClock *clock) |
| 1184 | { |
| 1185 | switch(clock->type) { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1186 | case QEMU_CLOCK_REALTIME: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1187 | return get_clock() / 1000000; |
| 1188 | default: |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1189 | case QEMU_CLOCK_VIRTUAL: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1190 | if (use_icount) { |
| 1191 | return cpu_get_icount(); |
| 1192 | } else { |
| 1193 | return cpu_get_clock(); |
| 1194 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1195 | case QEMU_CLOCK_HOST: |
| 1196 | return get_clock_realtime(); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1197 | } |
| 1198 | } |
| 1199 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1200 | int64_t qemu_get_clock_ns(QEMUClock *clock) |
| 1201 | { |
| 1202 | switch(clock->type) { |
| 1203 | case QEMU_CLOCK_REALTIME: |
| 1204 | return get_clock(); |
| 1205 | default: |
| 1206 | case QEMU_CLOCK_VIRTUAL: |
| 1207 | if (use_icount) { |
| 1208 | return cpu_get_icount(); |
| 1209 | } else { |
| 1210 | return cpu_get_clock(); |
| 1211 | } |
| 1212 | case QEMU_CLOCK_HOST: |
| 1213 | return get_clock_realtime(); |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | static void init_clocks(void) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1218 | { |
| 1219 | init_get_clock(); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1220 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
| 1221 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); |
| 1222 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
| 1223 | |
| 1224 | rtc_clock = host_clock; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1225 | } |
| 1226 | |
| 1227 | /* save a timer */ |
| 1228 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) |
| 1229 | { |
| 1230 | uint64_t expire_time; |
| 1231 | |
| 1232 | if (qemu_timer_pending(ts)) { |
| 1233 | expire_time = ts->expire_time; |
| 1234 | } else { |
| 1235 | expire_time = -1; |
| 1236 | } |
| 1237 | qemu_put_be64(f, expire_time); |
| 1238 | } |
| 1239 | |
| 1240 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) |
| 1241 | { |
| 1242 | uint64_t expire_time; |
| 1243 | |
| 1244 | expire_time = qemu_get_be64(f); |
| 1245 | if (expire_time != -1) { |
| 1246 | qemu_mod_timer(ts, expire_time); |
| 1247 | } else { |
| 1248 | qemu_del_timer(ts); |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | static void timer_save(QEMUFile *f, void *opaque) |
| 1253 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1254 | #if 0 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1255 | if (cpu_ticks_enabled) { |
| 1256 | hw_error("cannot save state if virtual timers are running"); |
| 1257 | } |
| 1258 | qemu_put_be64(f, cpu_ticks_offset); |
| 1259 | qemu_put_be64(f, ticks_per_sec); |
| 1260 | qemu_put_be64(f, cpu_clock_offset); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1261 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1262 | } |
| 1263 | |
| 1264 | static int timer_load(QEMUFile *f, void *opaque, int version_id) |
| 1265 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1266 | #if 0 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1267 | if (version_id != 1 && version_id != 2) |
| 1268 | return -EINVAL; |
| 1269 | if (cpu_ticks_enabled) { |
| 1270 | return -EINVAL; |
| 1271 | } |
| 1272 | cpu_ticks_offset=qemu_get_be64(f); |
| 1273 | ticks_per_sec=qemu_get_be64(f); |
| 1274 | if (version_id == 2) { |
| 1275 | cpu_clock_offset=qemu_get_be64(f); |
| 1276 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1277 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1278 | return 0; |
| 1279 | } |
| 1280 | |
| 1281 | static void qemu_event_increment(void); |
| 1282 | |
| 1283 | #ifdef _WIN32 |
| 1284 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
| 1285 | DWORD_PTR dwUser, DWORD_PTR dw1, |
| 1286 | DWORD_PTR dw2) |
| 1287 | #else |
| 1288 | static void host_alarm_handler(int host_signum) |
| 1289 | #endif |
| 1290 | { |
| 1291 | #if 0 |
| 1292 | #define DISP_FREQ 1000 |
| 1293 | { |
| 1294 | static int64_t delta_min = INT64_MAX; |
| 1295 | static int64_t delta_max, delta_cum, last_clock, delta, ti; |
| 1296 | static int count; |
| 1297 | ti = qemu_get_clock(vm_clock); |
| 1298 | if (last_clock != 0) { |
| 1299 | delta = ti - last_clock; |
| 1300 | if (delta < delta_min) |
| 1301 | delta_min = delta; |
| 1302 | if (delta > delta_max) |
| 1303 | delta_max = delta; |
| 1304 | delta_cum += delta; |
| 1305 | if (++count == DISP_FREQ) { |
| 1306 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1307 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
| 1308 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), |
| 1309 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), |
| 1310 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1311 | count = 0; |
| 1312 | delta_min = INT64_MAX; |
| 1313 | delta_max = 0; |
| 1314 | delta_cum = 0; |
| 1315 | } |
| 1316 | } |
| 1317 | last_clock = ti; |
| 1318 | } |
| 1319 | #endif |
| 1320 | if (alarm_has_dynticks(alarm_timer) || |
| 1321 | (!use_icount && |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1322 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1323 | qemu_get_clock(vm_clock))) || |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1324 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
| 1325 | qemu_get_clock(rt_clock)) || |
| 1326 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], |
| 1327 | qemu_get_clock(host_clock))) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1328 | qemu_event_increment(); |
| 1329 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
| 1330 | |
| 1331 | #ifndef CONFIG_IOTHREAD |
| 1332 | if (next_cpu) { |
| 1333 | /* stop the currently executing cpu because a timer occured */ |
| 1334 | cpu_exit(next_cpu); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1335 | } |
| 1336 | #endif |
| 1337 | timer_alarm_pending = 1; |
| 1338 | qemu_notify_event(); |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | static int64_t qemu_next_deadline(void) |
| 1343 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1344 | /* To avoid problems with overflow limit this to 2^32. */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1345 | int64_t delta = INT32_MAX; |
| 1346 | |
| 1347 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
| 1348 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - |
| 1349 | qemu_get_clock(vm_clock); |
| 1350 | } |
| 1351 | if (active_timers[QEMU_CLOCK_HOST]) { |
| 1352 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - |
| 1353 | qemu_get_clock(host_clock); |
| 1354 | if (hdelta < delta) |
| 1355 | delta = hdelta; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1356 | } |
| 1357 | |
| 1358 | if (delta < 0) |
| 1359 | delta = 0; |
| 1360 | |
| 1361 | return delta; |
| 1362 | } |
| 1363 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1364 | #if defined(__linux__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1365 | static uint64_t qemu_next_deadline_dyntick(void) |
| 1366 | { |
| 1367 | int64_t delta; |
| 1368 | int64_t rtdelta; |
| 1369 | |
| 1370 | if (use_icount) |
| 1371 | delta = INT32_MAX; |
| 1372 | else |
| 1373 | delta = (qemu_next_deadline() + 999) / 1000; |
| 1374 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1375 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
| 1376 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1377 | qemu_get_clock(rt_clock))*1000; |
| 1378 | if (rtdelta < delta) |
| 1379 | delta = rtdelta; |
| 1380 | } |
| 1381 | |
| 1382 | if (delta < MIN_TIMER_REARM_US) |
| 1383 | delta = MIN_TIMER_REARM_US; |
| 1384 | |
| 1385 | return delta; |
| 1386 | } |
| 1387 | #endif |
| 1388 | |
| 1389 | #ifndef _WIN32 |
| 1390 | |
| 1391 | /* Sets a specific flag */ |
| 1392 | static int fcntl_setfl(int fd, int flag) |
| 1393 | { |
| 1394 | int flags; |
| 1395 | |
| 1396 | flags = fcntl(fd, F_GETFL); |
| 1397 | if (flags == -1) |
| 1398 | return -errno; |
| 1399 | |
| 1400 | if (fcntl(fd, F_SETFL, flags | flag) == -1) |
| 1401 | return -errno; |
| 1402 | |
| 1403 | return 0; |
| 1404 | } |
| 1405 | |
| 1406 | #if defined(__linux__) |
| 1407 | |
| 1408 | #define RTC_FREQ 1024 |
| 1409 | |
| 1410 | static void enable_sigio_timer(int fd) |
| 1411 | { |
| 1412 | struct sigaction act; |
| 1413 | |
| 1414 | /* timer signal */ |
| 1415 | sigfillset(&act.sa_mask); |
| 1416 | act.sa_flags = 0; |
| 1417 | act.sa_handler = host_alarm_handler; |
| 1418 | |
| 1419 | sigaction(SIGIO, &act, NULL); |
| 1420 | fcntl_setfl(fd, O_ASYNC); |
| 1421 | fcntl(fd, F_SETOWN, getpid()); |
| 1422 | } |
| 1423 | |
| 1424 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
| 1425 | { |
| 1426 | struct hpet_info info; |
| 1427 | int r, fd; |
| 1428 | |
| 1429 | fd = open("/dev/hpet", O_RDONLY); |
| 1430 | if (fd < 0) |
| 1431 | return -1; |
| 1432 | |
| 1433 | /* Set frequency */ |
| 1434 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
| 1435 | if (r < 0) { |
| 1436 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" |
| 1437 | "error, but for better emulation accuracy type:\n" |
| 1438 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); |
| 1439 | goto fail; |
| 1440 | } |
| 1441 | |
| 1442 | /* Check capabilities */ |
| 1443 | r = ioctl(fd, HPET_INFO, &info); |
| 1444 | if (r < 0) |
| 1445 | goto fail; |
| 1446 | |
| 1447 | /* Enable periodic mode */ |
| 1448 | r = ioctl(fd, HPET_EPI, 0); |
| 1449 | if (info.hi_flags && (r < 0)) |
| 1450 | goto fail; |
| 1451 | |
| 1452 | /* Enable interrupt */ |
| 1453 | r = ioctl(fd, HPET_IE_ON, 0); |
| 1454 | if (r < 0) |
| 1455 | goto fail; |
| 1456 | |
| 1457 | enable_sigio_timer(fd); |
| 1458 | t->priv = (void *)(long)fd; |
| 1459 | |
| 1460 | return 0; |
| 1461 | fail: |
| 1462 | close(fd); |
| 1463 | return -1; |
| 1464 | } |
| 1465 | |
| 1466 | static void hpet_stop_timer(struct qemu_alarm_timer *t) |
| 1467 | { |
| 1468 | int fd = (long)t->priv; |
| 1469 | |
| 1470 | close(fd); |
| 1471 | } |
| 1472 | |
| 1473 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
| 1474 | { |
| 1475 | int rtc_fd; |
| 1476 | unsigned long current_rtc_freq = 0; |
| 1477 | |
| 1478 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); |
| 1479 | if (rtc_fd < 0) |
| 1480 | return -1; |
| 1481 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
| 1482 | if (current_rtc_freq != RTC_FREQ && |
| 1483 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
| 1484 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
| 1485 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" |
| 1486 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); |
| 1487 | goto fail; |
| 1488 | } |
| 1489 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
| 1490 | fail: |
| 1491 | close(rtc_fd); |
| 1492 | return -1; |
| 1493 | } |
| 1494 | |
| 1495 | enable_sigio_timer(rtc_fd); |
| 1496 | |
| 1497 | t->priv = (void *)(long)rtc_fd; |
| 1498 | |
| 1499 | return 0; |
| 1500 | } |
| 1501 | |
| 1502 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
| 1503 | { |
| 1504 | int rtc_fd = (long)t->priv; |
| 1505 | |
| 1506 | close(rtc_fd); |
| 1507 | } |
| 1508 | |
| 1509 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
| 1510 | { |
| 1511 | struct sigevent ev; |
| 1512 | timer_t host_timer; |
| 1513 | struct sigaction act; |
| 1514 | |
| 1515 | sigfillset(&act.sa_mask); |
| 1516 | act.sa_flags = 0; |
| 1517 | act.sa_handler = host_alarm_handler; |
| 1518 | |
| 1519 | sigaction(SIGALRM, &act, NULL); |
| 1520 | |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 1521 | /* |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1522 | * Initialize ev struct to 0 to avoid valgrind complaining |
| 1523 | * about uninitialized data in timer_create call |
| 1524 | */ |
| 1525 | memset(&ev, 0, sizeof(ev)); |
| 1526 | ev.sigev_value.sival_int = 0; |
| 1527 | ev.sigev_notify = SIGEV_SIGNAL; |
| 1528 | ev.sigev_signo = SIGALRM; |
| 1529 | |
| 1530 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { |
| 1531 | perror("timer_create"); |
| 1532 | |
| 1533 | /* disable dynticks */ |
| 1534 | fprintf(stderr, "Dynamic Ticks disabled\n"); |
| 1535 | |
| 1536 | return -1; |
| 1537 | } |
| 1538 | |
| 1539 | t->priv = (void *)(long)host_timer; |
| 1540 | |
| 1541 | return 0; |
| 1542 | } |
| 1543 | |
| 1544 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
| 1545 | { |
| 1546 | timer_t host_timer = (timer_t)(long)t->priv; |
| 1547 | |
| 1548 | timer_delete(host_timer); |
| 1549 | } |
| 1550 | |
| 1551 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
| 1552 | { |
| 1553 | timer_t host_timer = (timer_t)(long)t->priv; |
| 1554 | struct itimerspec timeout; |
| 1555 | int64_t nearest_delta_us = INT64_MAX; |
| 1556 | int64_t current_us; |
| 1557 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1558 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
| 1559 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
| 1560 | !active_timers[QEMU_CLOCK_HOST]) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1561 | return; |
| 1562 | |
| 1563 | nearest_delta_us = qemu_next_deadline_dyntick(); |
| 1564 | |
| 1565 | /* check whether a timer is already running */ |
| 1566 | if (timer_gettime(host_timer, &timeout)) { |
| 1567 | perror("gettime"); |
| 1568 | fprintf(stderr, "Internal timer error: aborting\n"); |
| 1569 | exit(1); |
| 1570 | } |
| 1571 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
| 1572 | if (current_us && current_us <= nearest_delta_us) |
| 1573 | return; |
| 1574 | |
| 1575 | timeout.it_interval.tv_sec = 0; |
| 1576 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
| 1577 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; |
| 1578 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
| 1579 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
| 1580 | perror("settime"); |
| 1581 | fprintf(stderr, "Internal timer error: aborting\n"); |
| 1582 | exit(1); |
| 1583 | } |
| 1584 | } |
| 1585 | |
| 1586 | #endif /* defined(__linux__) */ |
| 1587 | |
| 1588 | static int unix_start_timer(struct qemu_alarm_timer *t) |
| 1589 | { |
| 1590 | struct sigaction act; |
| 1591 | struct itimerval itv; |
| 1592 | int err; |
| 1593 | |
| 1594 | /* timer signal */ |
| 1595 | sigfillset(&act.sa_mask); |
| 1596 | act.sa_flags = 0; |
| 1597 | act.sa_handler = host_alarm_handler; |
| 1598 | |
| 1599 | sigaction(SIGALRM, &act, NULL); |
| 1600 | |
| 1601 | itv.it_interval.tv_sec = 0; |
| 1602 | /* for i386 kernel 2.6 to get 1 ms */ |
| 1603 | itv.it_interval.tv_usec = 999; |
| 1604 | itv.it_value.tv_sec = 0; |
| 1605 | itv.it_value.tv_usec = 10 * 1000; |
| 1606 | |
| 1607 | err = setitimer(ITIMER_REAL, &itv, NULL); |
| 1608 | if (err) |
| 1609 | return -1; |
| 1610 | |
| 1611 | return 0; |
| 1612 | } |
| 1613 | |
| 1614 | static void unix_stop_timer(struct qemu_alarm_timer *t) |
| 1615 | { |
| 1616 | struct itimerval itv; |
| 1617 | |
| 1618 | memset(&itv, 0, sizeof(itv)); |
| 1619 | setitimer(ITIMER_REAL, &itv, NULL); |
| 1620 | } |
| 1621 | |
| 1622 | #endif /* !defined(_WIN32) */ |
| 1623 | |
| 1624 | |
| 1625 | #ifdef _WIN32 |
| 1626 | |
| 1627 | static int win32_start_timer(struct qemu_alarm_timer *t) |
| 1628 | { |
| 1629 | TIMECAPS tc; |
| 1630 | struct qemu_alarm_win32 *data = t->priv; |
| 1631 | UINT flags; |
| 1632 | |
| 1633 | memset(&tc, 0, sizeof(tc)); |
| 1634 | timeGetDevCaps(&tc, sizeof(tc)); |
| 1635 | |
| 1636 | if (data->period < tc.wPeriodMin) |
| 1637 | data->period = tc.wPeriodMin; |
| 1638 | |
| 1639 | timeBeginPeriod(data->period); |
| 1640 | |
| 1641 | flags = TIME_CALLBACK_FUNCTION; |
| 1642 | if (alarm_has_dynticks(t)) |
| 1643 | flags |= TIME_ONESHOT; |
| 1644 | else |
| 1645 | flags |= TIME_PERIODIC; |
| 1646 | |
| 1647 | data->timerId = timeSetEvent(1, // interval (ms) |
| 1648 | data->period, // resolution |
| 1649 | host_alarm_handler, // function |
| 1650 | (DWORD)t, // parameter |
| 1651 | flags); |
| 1652 | |
| 1653 | if (!data->timerId) { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1654 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
| 1655 | GetLastError()); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1656 | timeEndPeriod(data->period); |
| 1657 | return -1; |
| 1658 | } |
| 1659 | |
| 1660 | return 0; |
| 1661 | } |
| 1662 | |
| 1663 | static void win32_stop_timer(struct qemu_alarm_timer *t) |
| 1664 | { |
| 1665 | struct qemu_alarm_win32 *data = t->priv; |
| 1666 | |
| 1667 | timeKillEvent(data->timerId); |
| 1668 | timeEndPeriod(data->period); |
| 1669 | } |
| 1670 | |
| 1671 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
| 1672 | { |
| 1673 | struct qemu_alarm_win32 *data = t->priv; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1674 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1675 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
| 1676 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
| 1677 | !active_timers[QEMU_CLOCK_HOST]) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1678 | return; |
| 1679 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1680 | timeKillEvent(data->timerId); |
| 1681 | |
| 1682 | data->timerId = timeSetEvent(1, |
| 1683 | data->period, |
| 1684 | host_alarm_handler, |
| 1685 | (DWORD)t, |
| 1686 | TIME_ONESHOT | TIME_PERIODIC); |
| 1687 | |
| 1688 | if (!data->timerId) { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1689 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
| 1690 | GetLastError()); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1691 | |
| 1692 | timeEndPeriod(data->period); |
| 1693 | exit(1); |
| 1694 | } |
| 1695 | } |
| 1696 | |
| 1697 | #endif /* _WIN32 */ |
| 1698 | |
| 1699 | static int init_timer_alarm(void) |
| 1700 | { |
| 1701 | struct qemu_alarm_timer *t = NULL; |
| 1702 | int i, err = -1; |
| 1703 | |
| 1704 | for (i = 0; alarm_timers[i].name; i++) { |
| 1705 | t = &alarm_timers[i]; |
| 1706 | |
| 1707 | err = t->start(t); |
| 1708 | if (!err) |
| 1709 | break; |
| 1710 | } |
| 1711 | |
| 1712 | if (err) { |
| 1713 | err = -ENOENT; |
| 1714 | goto fail; |
| 1715 | } |
| 1716 | |
| 1717 | alarm_timer = t; |
| 1718 | |
| 1719 | return 0; |
| 1720 | |
| 1721 | fail: |
| 1722 | return err; |
| 1723 | } |
| 1724 | |
| 1725 | static void quit_timers(void) |
| 1726 | { |
| 1727 | alarm_timer->stop(alarm_timer); |
| 1728 | alarm_timer = NULL; |
| 1729 | } |
| 1730 | |
| 1731 | /***********************************************************/ |
| 1732 | /* host time/date access */ |
| 1733 | void qemu_get_timedate(struct tm *tm, int offset) |
| 1734 | { |
| 1735 | time_t ti; |
| 1736 | struct tm *ret; |
| 1737 | |
| 1738 | time(&ti); |
| 1739 | ti += offset; |
| 1740 | if (rtc_date_offset == -1) { |
| 1741 | if (rtc_utc) |
| 1742 | ret = gmtime(&ti); |
| 1743 | else |
| 1744 | ret = localtime(&ti); |
| 1745 | } else { |
| 1746 | ti -= rtc_date_offset; |
| 1747 | ret = gmtime(&ti); |
| 1748 | } |
| 1749 | |
| 1750 | memcpy(tm, ret, sizeof(struct tm)); |
| 1751 | } |
| 1752 | |
| 1753 | int qemu_timedate_diff(struct tm *tm) |
| 1754 | { |
| 1755 | time_t seconds; |
| 1756 | |
| 1757 | if (rtc_date_offset == -1) |
| 1758 | if (rtc_utc) |
| 1759 | seconds = mktimegm(tm); |
| 1760 | else |
| 1761 | seconds = mktime(tm); |
| 1762 | else |
| 1763 | seconds = mktimegm(tm) + rtc_date_offset; |
| 1764 | |
| 1765 | return seconds - time(NULL); |
| 1766 | } |
| 1767 | |
| 1768 | |
| 1769 | #ifdef CONFIG_TRACE |
| 1770 | static int tbflush_requested; |
| 1771 | static int exit_requested; |
| 1772 | |
| 1773 | void start_tracing() |
| 1774 | { |
| 1775 | if (trace_filename == NULL) |
| 1776 | return; |
| 1777 | if (!tracing) { |
| 1778 | fprintf(stderr,"-- start tracing --\n"); |
| 1779 | start_time = Now(); |
| 1780 | } |
| 1781 | tracing = 1; |
| 1782 | tbflush_requested = 1; |
| 1783 | qemu_notify_event(); |
| 1784 | } |
| 1785 | |
| 1786 | void stop_tracing() |
| 1787 | { |
| 1788 | if (trace_filename == NULL) |
| 1789 | return; |
| 1790 | if (tracing) { |
| 1791 | end_time = Now(); |
| 1792 | elapsed_usecs += end_time - start_time; |
| 1793 | fprintf(stderr,"-- stop tracing --\n"); |
| 1794 | } |
| 1795 | tracing = 0; |
| 1796 | tbflush_requested = 1; |
| 1797 | qemu_notify_event(); |
| 1798 | } |
| 1799 | |
| 1800 | #ifndef _WIN32 |
| 1801 | /* This is the handler for the SIGUSR1 and SIGUSR2 signals. |
| 1802 | * SIGUSR1 turns tracing on. SIGUSR2 turns tracing off. |
| 1803 | */ |
| 1804 | void sigusr_handler(int sig) |
| 1805 | { |
| 1806 | if (sig == SIGUSR1) |
| 1807 | start_tracing(); |
| 1808 | else |
| 1809 | stop_tracing(); |
| 1810 | } |
| 1811 | #endif |
| 1812 | |
| 1813 | /* This is the handler to catch control-C so that we can exit cleanly. |
| 1814 | * This is needed when tracing to flush the buffers to disk. |
| 1815 | */ |
| 1816 | void sigint_handler(int sig) |
| 1817 | { |
| 1818 | exit_requested = 1; |
| 1819 | qemu_notify_event(); |
| 1820 | } |
| 1821 | #endif /* CONFIG_TRACE */ |
| 1822 | |
| 1823 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1824 | /***********************************************************/ |
| 1825 | /* Bluetooth support */ |
| 1826 | static int nb_hcis; |
| 1827 | static int cur_hci; |
| 1828 | static struct HCIInfo *hci_table[MAX_NICS]; |
| 1829 | |
| 1830 | static struct bt_vlan_s { |
| 1831 | struct bt_scatternet_s net; |
| 1832 | int id; |
| 1833 | struct bt_vlan_s *next; |
| 1834 | } *first_bt_vlan; |
| 1835 | |
| 1836 | /* find or alloc a new bluetooth "VLAN" */ |
| 1837 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
| 1838 | { |
| 1839 | struct bt_vlan_s **pvlan, *vlan; |
| 1840 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { |
| 1841 | if (vlan->id == id) |
| 1842 | return &vlan->net; |
| 1843 | } |
| 1844 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); |
| 1845 | vlan->id = id; |
| 1846 | pvlan = &first_bt_vlan; |
| 1847 | while (*pvlan != NULL) |
| 1848 | pvlan = &(*pvlan)->next; |
| 1849 | *pvlan = vlan; |
| 1850 | return &vlan->net; |
| 1851 | } |
| 1852 | |
| 1853 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
| 1854 | { |
| 1855 | } |
| 1856 | |
| 1857 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
| 1858 | { |
| 1859 | return -ENOTSUP; |
| 1860 | } |
| 1861 | |
| 1862 | static struct HCIInfo null_hci = { |
| 1863 | .cmd_send = null_hci_send, |
| 1864 | .sco_send = null_hci_send, |
| 1865 | .acl_send = null_hci_send, |
| 1866 | .bdaddr_set = null_hci_addr_set, |
| 1867 | }; |
| 1868 | |
| 1869 | struct HCIInfo *qemu_next_hci(void) |
| 1870 | { |
| 1871 | if (cur_hci == nb_hcis) |
| 1872 | return &null_hci; |
| 1873 | |
| 1874 | return hci_table[cur_hci++]; |
| 1875 | } |
| 1876 | |
| 1877 | static struct HCIInfo *hci_init(const char *str) |
| 1878 | { |
| 1879 | char *endp; |
| 1880 | struct bt_scatternet_s *vlan = 0; |
| 1881 | |
| 1882 | if (!strcmp(str, "null")) |
| 1883 | /* null */ |
| 1884 | return &null_hci; |
| 1885 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) |
| 1886 | /* host[:hciN] */ |
| 1887 | return bt_host_hci(str[4] ? str + 5 : "hci0"); |
| 1888 | else if (!strncmp(str, "hci", 3)) { |
| 1889 | /* hci[,vlan=n] */ |
| 1890 | if (str[3]) { |
| 1891 | if (!strncmp(str + 3, ",vlan=", 6)) { |
| 1892 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); |
| 1893 | if (*endp) |
| 1894 | vlan = 0; |
| 1895 | } |
| 1896 | } else |
| 1897 | vlan = qemu_find_bt_vlan(0); |
| 1898 | if (vlan) |
| 1899 | return bt_new_hci(vlan); |
| 1900 | } |
| 1901 | |
| 1902 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); |
| 1903 | |
| 1904 | return 0; |
| 1905 | } |
| 1906 | |
| 1907 | static int bt_hci_parse(const char *str) |
| 1908 | { |
| 1909 | struct HCIInfo *hci; |
| 1910 | bdaddr_t bdaddr; |
| 1911 | |
| 1912 | if (nb_hcis >= MAX_NICS) { |
| 1913 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); |
| 1914 | return -1; |
| 1915 | } |
| 1916 | |
| 1917 | hci = hci_init(str); |
| 1918 | if (!hci) |
| 1919 | return -1; |
| 1920 | |
| 1921 | bdaddr.b[0] = 0x52; |
| 1922 | bdaddr.b[1] = 0x54; |
| 1923 | bdaddr.b[2] = 0x00; |
| 1924 | bdaddr.b[3] = 0x12; |
| 1925 | bdaddr.b[4] = 0x34; |
| 1926 | bdaddr.b[5] = 0x56 + nb_hcis; |
| 1927 | hci->bdaddr_set(hci, bdaddr.b); |
| 1928 | |
| 1929 | hci_table[nb_hcis++] = hci; |
| 1930 | |
| 1931 | return 0; |
| 1932 | } |
| 1933 | |
| 1934 | static void bt_vhci_add(int vlan_id) |
| 1935 | { |
| 1936 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); |
| 1937 | |
| 1938 | if (!vlan->slave) |
| 1939 | fprintf(stderr, "qemu: warning: adding a VHCI to " |
| 1940 | "an empty scatternet %i\n", vlan_id); |
| 1941 | |
| 1942 | bt_vhci_init(bt_new_hci(vlan)); |
| 1943 | } |
| 1944 | |
| 1945 | static struct bt_device_s *bt_device_add(const char *opt) |
| 1946 | { |
| 1947 | struct bt_scatternet_s *vlan; |
| 1948 | int vlan_id = 0; |
| 1949 | char *endp = strstr(opt, ",vlan="); |
| 1950 | int len = (endp ? endp - opt : strlen(opt)) + 1; |
| 1951 | char devname[10]; |
| 1952 | |
| 1953 | pstrcpy(devname, MIN(sizeof(devname), len), opt); |
| 1954 | |
| 1955 | if (endp) { |
| 1956 | vlan_id = strtol(endp + 6, &endp, 0); |
| 1957 | if (*endp) { |
| 1958 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); |
| 1959 | return 0; |
| 1960 | } |
| 1961 | } |
| 1962 | |
| 1963 | vlan = qemu_find_bt_vlan(vlan_id); |
| 1964 | |
| 1965 | if (!vlan->slave) |
| 1966 | fprintf(stderr, "qemu: warning: adding a slave device to " |
| 1967 | "an empty scatternet %i\n", vlan_id); |
| 1968 | |
| 1969 | if (!strcmp(devname, "keyboard")) |
| 1970 | return bt_keyboard_init(vlan); |
| 1971 | |
| 1972 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); |
| 1973 | return 0; |
| 1974 | } |
| 1975 | |
| 1976 | static int bt_parse(const char *opt) |
| 1977 | { |
| 1978 | const char *endp, *p; |
| 1979 | int vlan; |
| 1980 | |
| 1981 | if (strstart(opt, "hci", &endp)) { |
| 1982 | if (!*endp || *endp == ',') { |
| 1983 | if (*endp) |
| 1984 | if (!strstart(endp, ",vlan=", 0)) |
| 1985 | opt = endp + 1; |
| 1986 | |
| 1987 | return bt_hci_parse(opt); |
| 1988 | } |
| 1989 | } else if (strstart(opt, "vhci", &endp)) { |
| 1990 | if (!*endp || *endp == ',') { |
| 1991 | if (*endp) { |
| 1992 | if (strstart(endp, ",vlan=", &p)) { |
| 1993 | vlan = strtol(p, (char **) &endp, 0); |
| 1994 | if (*endp) { |
| 1995 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); |
| 1996 | return 1; |
| 1997 | } |
| 1998 | } else { |
| 1999 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); |
| 2000 | return 1; |
| 2001 | } |
| 2002 | } else |
| 2003 | vlan = 0; |
| 2004 | |
| 2005 | bt_vhci_add(vlan); |
| 2006 | return 0; |
| 2007 | } |
| 2008 | } else if (strstart(opt, "device:", &endp)) |
| 2009 | return !bt_device_add(endp); |
| 2010 | |
| 2011 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); |
| 2012 | return 1; |
| 2013 | } |
| 2014 | |
| 2015 | /***********************************************************/ |
| 2016 | /* QEMU Block devices */ |
| 2017 | |
| 2018 | #define HD_ALIAS "index=%d,media=disk" |
| 2019 | #define CDROM_ALIAS "index=2,media=cdrom" |
| 2020 | #define FD_ALIAS "index=%d,if=floppy" |
| 2021 | #define PFLASH_ALIAS "if=pflash" |
| 2022 | #define MTD_ALIAS "if=mtd" |
| 2023 | #define SD_ALIAS "index=0,if=sd" |
| 2024 | |
| 2025 | static int drive_opt_get_free_idx(void) |
| 2026 | { |
| 2027 | int index; |
| 2028 | |
| 2029 | for (index = 0; index < MAX_DRIVES; index++) |
| 2030 | if (!drives_opt[index].used) { |
| 2031 | drives_opt[index].used = 1; |
| 2032 | return index; |
| 2033 | } |
| 2034 | |
| 2035 | return -1; |
| 2036 | } |
| 2037 | |
| 2038 | static int drive_get_free_idx(void) |
| 2039 | { |
| 2040 | int index; |
| 2041 | |
| 2042 | for (index = 0; index < MAX_DRIVES; index++) |
| 2043 | if (!drives_table[index].used) { |
| 2044 | drives_table[index].used = 1; |
| 2045 | return index; |
| 2046 | } |
| 2047 | |
| 2048 | return -1; |
| 2049 | } |
| 2050 | |
| 2051 | int drive_add(const char *file, const char *fmt, ...) |
| 2052 | { |
| 2053 | va_list ap; |
| 2054 | int index = drive_opt_get_free_idx(); |
| 2055 | |
| 2056 | if (nb_drives_opt >= MAX_DRIVES || index == -1) { |
| 2057 | fprintf(stderr, "qemu: too many drives\n"); |
| 2058 | return -1; |
| 2059 | } |
| 2060 | |
| 2061 | drives_opt[index].file = file; |
| 2062 | va_start(ap, fmt); |
| 2063 | vsnprintf(drives_opt[index].opt, |
| 2064 | sizeof(drives_opt[0].opt), fmt, ap); |
| 2065 | va_end(ap); |
David 'Digit' Turner | 9256895 | 2010-04-15 15:04:16 -0700 | [diff] [blame] | 2066 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2067 | nb_drives_opt++; |
| 2068 | return index; |
| 2069 | } |
| 2070 | |
| 2071 | void drive_remove(int index) |
| 2072 | { |
| 2073 | drives_opt[index].used = 0; |
| 2074 | nb_drives_opt--; |
| 2075 | } |
| 2076 | |
| 2077 | int drive_get_index(BlockInterfaceType type, int bus, int unit) |
| 2078 | { |
| 2079 | int index; |
| 2080 | |
| 2081 | /* seek interface, bus and unit */ |
| 2082 | |
| 2083 | for (index = 0; index < MAX_DRIVES; index++) |
| 2084 | if (drives_table[index].type == type && |
| 2085 | drives_table[index].bus == bus && |
| 2086 | drives_table[index].unit == unit && |
| 2087 | drives_table[index].used) |
| 2088 | return index; |
| 2089 | |
| 2090 | return -1; |
| 2091 | } |
| 2092 | |
| 2093 | int drive_get_max_bus(BlockInterfaceType type) |
| 2094 | { |
| 2095 | int max_bus; |
| 2096 | int index; |
| 2097 | |
| 2098 | max_bus = -1; |
| 2099 | for (index = 0; index < nb_drives; index++) { |
| 2100 | if(drives_table[index].type == type && |
| 2101 | drives_table[index].bus > max_bus) |
| 2102 | max_bus = drives_table[index].bus; |
| 2103 | } |
| 2104 | return max_bus; |
| 2105 | } |
| 2106 | |
| 2107 | const char *drive_get_serial(BlockDriverState *bdrv) |
| 2108 | { |
| 2109 | int index; |
| 2110 | |
| 2111 | for (index = 0; index < nb_drives; index++) |
| 2112 | if (drives_table[index].bdrv == bdrv) |
| 2113 | return drives_table[index].serial; |
| 2114 | |
| 2115 | return "\0"; |
| 2116 | } |
| 2117 | |
| 2118 | BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv) |
| 2119 | { |
| 2120 | int index; |
| 2121 | |
| 2122 | for (index = 0; index < nb_drives; index++) |
| 2123 | if (drives_table[index].bdrv == bdrv) |
| 2124 | return drives_table[index].onerror; |
| 2125 | |
| 2126 | return BLOCK_ERR_STOP_ENOSPC; |
| 2127 | } |
| 2128 | |
| 2129 | static void bdrv_format_print(void *opaque, const char *name) |
| 2130 | { |
| 2131 | fprintf(stderr, " %s", name); |
| 2132 | } |
| 2133 | |
| 2134 | void drive_uninit(BlockDriverState *bdrv) |
| 2135 | { |
| 2136 | int i; |
| 2137 | |
| 2138 | for (i = 0; i < MAX_DRIVES; i++) |
| 2139 | if (drives_table[i].bdrv == bdrv) { |
| 2140 | drives_table[i].bdrv = NULL; |
| 2141 | drives_table[i].used = 0; |
| 2142 | drive_remove(drives_table[i].drive_opt_idx); |
| 2143 | nb_drives--; |
| 2144 | break; |
| 2145 | } |
| 2146 | } |
| 2147 | |
| 2148 | int drive_init(struct drive_opt *arg, int snapshot, void *opaque) |
| 2149 | { |
| 2150 | char buf[128]; |
| 2151 | char file[1024]; |
| 2152 | char devname[128]; |
| 2153 | char serial[21]; |
| 2154 | const char *mediastr = ""; |
| 2155 | BlockInterfaceType type; |
| 2156 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
| 2157 | int bus_id, unit_id; |
| 2158 | int cyls, heads, secs, translation; |
| 2159 | BlockDriverState *bdrv; |
| 2160 | BlockDriver *drv = NULL; |
| 2161 | QEMUMachine *machine = opaque; |
| 2162 | int max_devs; |
| 2163 | int index; |
| 2164 | int cache; |
| 2165 | int bdrv_flags, onerror; |
| 2166 | int drives_table_idx; |
| 2167 | char *str = arg->opt; |
| 2168 | static const char * const params[] = { "bus", "unit", "if", "index", |
| 2169 | "cyls", "heads", "secs", "trans", |
| 2170 | "media", "snapshot", "file", |
| 2171 | "cache", "format", "serial", "werror", |
| 2172 | NULL }; |
| 2173 | |
| 2174 | if (check_params(buf, sizeof(buf), params, str) < 0) { |
| 2175 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", |
| 2176 | buf, str); |
| 2177 | return -1; |
| 2178 | } |
| 2179 | |
| 2180 | file[0] = 0; |
| 2181 | cyls = heads = secs = 0; |
| 2182 | bus_id = 0; |
| 2183 | unit_id = -1; |
| 2184 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 2185 | index = -1; |
| 2186 | cache = 3; |
| 2187 | |
| 2188 | if (machine->use_scsi) { |
| 2189 | type = IF_SCSI; |
| 2190 | max_devs = MAX_SCSI_DEVS; |
| 2191 | pstrcpy(devname, sizeof(devname), "scsi"); |
| 2192 | } else { |
| 2193 | type = IF_IDE; |
| 2194 | max_devs = MAX_IDE_DEVS; |
| 2195 | pstrcpy(devname, sizeof(devname), "ide"); |
| 2196 | } |
| 2197 | media = MEDIA_DISK; |
| 2198 | |
| 2199 | /* extract parameters */ |
| 2200 | |
| 2201 | if (get_param_value(buf, sizeof(buf), "bus", str)) { |
| 2202 | bus_id = strtol(buf, NULL, 0); |
| 2203 | if (bus_id < 0) { |
| 2204 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); |
| 2205 | return -1; |
| 2206 | } |
| 2207 | } |
| 2208 | |
| 2209 | if (get_param_value(buf, sizeof(buf), "unit", str)) { |
| 2210 | unit_id = strtol(buf, NULL, 0); |
| 2211 | if (unit_id < 0) { |
| 2212 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); |
| 2213 | return -1; |
| 2214 | } |
| 2215 | } |
| 2216 | |
| 2217 | if (get_param_value(buf, sizeof(buf), "if", str)) { |
| 2218 | pstrcpy(devname, sizeof(devname), buf); |
| 2219 | if (!strcmp(buf, "ide")) { |
| 2220 | type = IF_IDE; |
| 2221 | max_devs = MAX_IDE_DEVS; |
| 2222 | } else if (!strcmp(buf, "scsi")) { |
| 2223 | type = IF_SCSI; |
| 2224 | max_devs = MAX_SCSI_DEVS; |
| 2225 | } else if (!strcmp(buf, "floppy")) { |
| 2226 | type = IF_FLOPPY; |
| 2227 | max_devs = 0; |
| 2228 | } else if (!strcmp(buf, "pflash")) { |
| 2229 | type = IF_PFLASH; |
| 2230 | max_devs = 0; |
| 2231 | } else if (!strcmp(buf, "mtd")) { |
| 2232 | type = IF_MTD; |
| 2233 | max_devs = 0; |
| 2234 | } else if (!strcmp(buf, "sd")) { |
| 2235 | type = IF_SD; |
| 2236 | max_devs = 0; |
| 2237 | } else if (!strcmp(buf, "virtio")) { |
| 2238 | type = IF_VIRTIO; |
| 2239 | max_devs = 0; |
| 2240 | } else if (!strcmp(buf, "xen")) { |
| 2241 | type = IF_XEN; |
| 2242 | max_devs = 0; |
| 2243 | } else { |
| 2244 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); |
| 2245 | return -1; |
| 2246 | } |
| 2247 | } |
| 2248 | |
| 2249 | if (get_param_value(buf, sizeof(buf), "index", str)) { |
| 2250 | index = strtol(buf, NULL, 0); |
| 2251 | if (index < 0) { |
| 2252 | fprintf(stderr, "qemu: '%s' invalid index\n", str); |
| 2253 | return -1; |
| 2254 | } |
| 2255 | } |
| 2256 | |
| 2257 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
| 2258 | cyls = strtol(buf, NULL, 0); |
| 2259 | } |
| 2260 | |
| 2261 | if (get_param_value(buf, sizeof(buf), "heads", str)) { |
| 2262 | heads = strtol(buf, NULL, 0); |
| 2263 | } |
| 2264 | |
| 2265 | if (get_param_value(buf, sizeof(buf), "secs", str)) { |
| 2266 | secs = strtol(buf, NULL, 0); |
| 2267 | } |
| 2268 | |
| 2269 | if (cyls || heads || secs) { |
| 2270 | if (cyls < 1 || cyls > 16383) { |
| 2271 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); |
| 2272 | return -1; |
| 2273 | } |
| 2274 | if (heads < 1 || heads > 16) { |
| 2275 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); |
| 2276 | return -1; |
| 2277 | } |
| 2278 | if (secs < 1 || secs > 63) { |
| 2279 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); |
| 2280 | return -1; |
| 2281 | } |
| 2282 | } |
| 2283 | |
| 2284 | if (get_param_value(buf, sizeof(buf), "trans", str)) { |
| 2285 | if (!cyls) { |
| 2286 | fprintf(stderr, |
| 2287 | "qemu: '%s' trans must be used with cyls,heads and secs\n", |
| 2288 | str); |
| 2289 | return -1; |
| 2290 | } |
| 2291 | if (!strcmp(buf, "none")) |
| 2292 | translation = BIOS_ATA_TRANSLATION_NONE; |
| 2293 | else if (!strcmp(buf, "lba")) |
| 2294 | translation = BIOS_ATA_TRANSLATION_LBA; |
| 2295 | else if (!strcmp(buf, "auto")) |
| 2296 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 2297 | else { |
| 2298 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); |
| 2299 | return -1; |
| 2300 | } |
| 2301 | } |
| 2302 | |
| 2303 | if (get_param_value(buf, sizeof(buf), "media", str)) { |
| 2304 | if (!strcmp(buf, "disk")) { |
| 2305 | media = MEDIA_DISK; |
| 2306 | } else if (!strcmp(buf, "cdrom")) { |
| 2307 | if (cyls || secs || heads) { |
| 2308 | fprintf(stderr, |
| 2309 | "qemu: '%s' invalid physical CHS format\n", str); |
| 2310 | return -1; |
| 2311 | } |
| 2312 | media = MEDIA_CDROM; |
| 2313 | } else { |
| 2314 | fprintf(stderr, "qemu: '%s' invalid media\n", str); |
| 2315 | return -1; |
| 2316 | } |
| 2317 | } |
| 2318 | |
| 2319 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
| 2320 | if (!strcmp(buf, "on")) |
| 2321 | snapshot = 1; |
| 2322 | else if (!strcmp(buf, "off")) |
| 2323 | snapshot = 0; |
| 2324 | else { |
| 2325 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); |
| 2326 | return -1; |
| 2327 | } |
| 2328 | } |
| 2329 | |
| 2330 | if (get_param_value(buf, sizeof(buf), "cache", str)) { |
| 2331 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
| 2332 | cache = 0; |
| 2333 | else if (!strcmp(buf, "writethrough")) |
| 2334 | cache = 1; |
| 2335 | else if (!strcmp(buf, "writeback")) |
| 2336 | cache = 2; |
| 2337 | else { |
| 2338 | fprintf(stderr, "qemu: invalid cache option\n"); |
| 2339 | return -1; |
| 2340 | } |
| 2341 | } |
| 2342 | |
| 2343 | if (get_param_value(buf, sizeof(buf), "format", str)) { |
| 2344 | if (strcmp(buf, "?") == 0) { |
| 2345 | fprintf(stderr, "qemu: Supported formats:"); |
| 2346 | bdrv_iterate_format(bdrv_format_print, NULL); |
| 2347 | fprintf(stderr, "\n"); |
| 2348 | return -1; |
| 2349 | } |
| 2350 | drv = bdrv_find_format(buf); |
| 2351 | if (!drv) { |
| 2352 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); |
| 2353 | return -1; |
| 2354 | } |
| 2355 | } |
| 2356 | |
| 2357 | if (arg->file == NULL) |
| 2358 | get_param_value(file, sizeof(file), "file", str); |
| 2359 | else |
| 2360 | pstrcpy(file, sizeof(file), arg->file); |
| 2361 | |
| 2362 | if (!get_param_value(serial, sizeof(serial), "serial", str)) |
| 2363 | memset(serial, 0, sizeof(serial)); |
| 2364 | |
| 2365 | onerror = BLOCK_ERR_STOP_ENOSPC; |
| 2366 | if (get_param_value(buf, sizeof(serial), "werror", str)) { |
| 2367 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
| 2368 | fprintf(stderr, "werror is no supported by this format\n"); |
| 2369 | return -1; |
| 2370 | } |
| 2371 | if (!strcmp(buf, "ignore")) |
| 2372 | onerror = BLOCK_ERR_IGNORE; |
| 2373 | else if (!strcmp(buf, "enospc")) |
| 2374 | onerror = BLOCK_ERR_STOP_ENOSPC; |
| 2375 | else if (!strcmp(buf, "stop")) |
| 2376 | onerror = BLOCK_ERR_STOP_ANY; |
| 2377 | else if (!strcmp(buf, "report")) |
| 2378 | onerror = BLOCK_ERR_REPORT; |
| 2379 | else { |
| 2380 | fprintf(stderr, "qemu: '%s' invalid write error action\n", buf); |
| 2381 | return -1; |
| 2382 | } |
| 2383 | } |
| 2384 | |
| 2385 | /* compute bus and unit according index */ |
| 2386 | |
| 2387 | if (index != -1) { |
| 2388 | if (bus_id != 0 || unit_id != -1) { |
| 2389 | fprintf(stderr, |
| 2390 | "qemu: '%s' index cannot be used with bus and unit\n", str); |
| 2391 | return -1; |
| 2392 | } |
| 2393 | if (max_devs == 0) |
| 2394 | { |
| 2395 | unit_id = index; |
| 2396 | bus_id = 0; |
| 2397 | } else { |
| 2398 | unit_id = index % max_devs; |
| 2399 | bus_id = index / max_devs; |
| 2400 | } |
| 2401 | } |
| 2402 | |
| 2403 | /* if user doesn't specify a unit_id, |
| 2404 | * try to find the first free |
| 2405 | */ |
| 2406 | |
| 2407 | if (unit_id == -1) { |
| 2408 | unit_id = 0; |
| 2409 | while (drive_get_index(type, bus_id, unit_id) != -1) { |
| 2410 | unit_id++; |
| 2411 | if (max_devs && unit_id >= max_devs) { |
| 2412 | unit_id -= max_devs; |
| 2413 | bus_id++; |
| 2414 | } |
| 2415 | } |
| 2416 | } |
| 2417 | |
| 2418 | /* check unit id */ |
| 2419 | |
| 2420 | if (max_devs && unit_id >= max_devs) { |
| 2421 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", |
| 2422 | str, unit_id, max_devs - 1); |
| 2423 | return -1; |
| 2424 | } |
| 2425 | |
| 2426 | /* |
| 2427 | * ignore multiple definitions |
| 2428 | */ |
| 2429 | |
| 2430 | if (drive_get_index(type, bus_id, unit_id) != -1) |
| 2431 | return -2; |
| 2432 | |
| 2433 | /* init */ |
| 2434 | |
| 2435 | if (type == IF_IDE || type == IF_SCSI) |
| 2436 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
| 2437 | if (max_devs) |
| 2438 | snprintf(buf, sizeof(buf), "%s%i%s%i", |
| 2439 | devname, bus_id, mediastr, unit_id); |
| 2440 | else |
| 2441 | snprintf(buf, sizeof(buf), "%s%s%i", |
| 2442 | devname, mediastr, unit_id); |
| 2443 | bdrv = bdrv_new(buf); |
| 2444 | drives_table_idx = drive_get_free_idx(); |
| 2445 | drives_table[drives_table_idx].bdrv = bdrv; |
| 2446 | drives_table[drives_table_idx].type = type; |
| 2447 | drives_table[drives_table_idx].bus = bus_id; |
| 2448 | drives_table[drives_table_idx].unit = unit_id; |
| 2449 | drives_table[drives_table_idx].onerror = onerror; |
| 2450 | drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt; |
| 2451 | strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial)); |
| 2452 | nb_drives++; |
| 2453 | |
| 2454 | switch(type) { |
| 2455 | case IF_IDE: |
| 2456 | case IF_SCSI: |
| 2457 | case IF_XEN: |
| 2458 | switch(media) { |
| 2459 | case MEDIA_DISK: |
| 2460 | if (cyls != 0) { |
| 2461 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
| 2462 | bdrv_set_translation_hint(bdrv, translation); |
| 2463 | } |
| 2464 | break; |
| 2465 | case MEDIA_CDROM: |
| 2466 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
| 2467 | break; |
| 2468 | } |
| 2469 | break; |
| 2470 | case IF_SD: |
| 2471 | /* FIXME: This isn't really a floppy, but it's a reasonable |
| 2472 | approximation. */ |
| 2473 | case IF_FLOPPY: |
| 2474 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
| 2475 | break; |
| 2476 | case IF_PFLASH: |
| 2477 | case IF_MTD: |
| 2478 | case IF_VIRTIO: |
| 2479 | break; |
| 2480 | case IF_COUNT: |
| 2481 | abort(); |
| 2482 | } |
| 2483 | if (!file[0]) |
| 2484 | return -2; |
| 2485 | bdrv_flags = 0; |
| 2486 | if (snapshot) { |
| 2487 | bdrv_flags |= BDRV_O_SNAPSHOT; |
| 2488 | cache = 2; /* always use write-back with snapshot */ |
| 2489 | } |
| 2490 | if (cache == 0) /* no caching */ |
| 2491 | bdrv_flags |= BDRV_O_NOCACHE; |
| 2492 | else if (cache == 2) /* write-back */ |
| 2493 | bdrv_flags |= BDRV_O_CACHE_WB; |
| 2494 | else if (cache == 3) /* not specified */ |
| 2495 | bdrv_flags |= BDRV_O_CACHE_DEF; |
| 2496 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) { |
| 2497 | fprintf(stderr, "qemu: could not open disk image %s\n", |
| 2498 | file); |
| 2499 | return -1; |
| 2500 | } |
| 2501 | if (bdrv_key_required(bdrv)) |
| 2502 | autostart = 0; |
| 2503 | return drives_table_idx; |
| 2504 | } |
| 2505 | |
| 2506 | static void numa_add(const char *optarg) |
| 2507 | { |
| 2508 | char option[128]; |
| 2509 | char *endptr; |
| 2510 | unsigned long long value, endvalue; |
| 2511 | int nodenr; |
| 2512 | |
| 2513 | optarg = get_opt_name(option, 128, optarg, ',') + 1; |
| 2514 | if (!strcmp(option, "node")) { |
| 2515 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { |
| 2516 | nodenr = nb_numa_nodes; |
| 2517 | } else { |
| 2518 | nodenr = strtoull(option, NULL, 10); |
| 2519 | } |
| 2520 | |
| 2521 | if (get_param_value(option, 128, "mem", optarg) == 0) { |
| 2522 | node_mem[nodenr] = 0; |
| 2523 | } else { |
| 2524 | value = strtoull(option, &endptr, 0); |
| 2525 | switch (*endptr) { |
| 2526 | case 0: case 'M': case 'm': |
| 2527 | value <<= 20; |
| 2528 | break; |
| 2529 | case 'G': case 'g': |
| 2530 | value <<= 30; |
| 2531 | break; |
| 2532 | } |
| 2533 | node_mem[nodenr] = value; |
| 2534 | } |
| 2535 | if (get_param_value(option, 128, "cpus", optarg) == 0) { |
| 2536 | node_cpumask[nodenr] = 0; |
| 2537 | } else { |
| 2538 | value = strtoull(option, &endptr, 10); |
| 2539 | if (value >= 64) { |
| 2540 | value = 63; |
| 2541 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); |
| 2542 | } else { |
| 2543 | if (*endptr == '-') { |
| 2544 | endvalue = strtoull(endptr+1, &endptr, 10); |
| 2545 | if (endvalue >= 63) { |
| 2546 | endvalue = 62; |
| 2547 | fprintf(stderr, |
| 2548 | "only 63 CPUs in NUMA mode supported.\n"); |
| 2549 | } |
| 2550 | value = (1 << (endvalue + 1)) - (1 << value); |
| 2551 | } else { |
| 2552 | value = 1 << value; |
| 2553 | } |
| 2554 | } |
| 2555 | node_cpumask[nodenr] = value; |
| 2556 | } |
| 2557 | nb_numa_nodes++; |
| 2558 | } |
| 2559 | return; |
| 2560 | } |
| 2561 | |
| 2562 | /***********************************************************/ |
| 2563 | /* USB devices */ |
| 2564 | |
| 2565 | static USBPort *used_usb_ports; |
| 2566 | static USBPort *free_usb_ports; |
| 2567 | |
| 2568 | /* ??? Maybe change this to register a hub to keep track of the topology. */ |
| 2569 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
| 2570 | usb_attachfn attach) |
| 2571 | { |
| 2572 | port->opaque = opaque; |
| 2573 | port->index = index; |
| 2574 | port->attach = attach; |
| 2575 | port->next = free_usb_ports; |
| 2576 | free_usb_ports = port; |
| 2577 | } |
| 2578 | |
| 2579 | int usb_device_add_dev(USBDevice *dev) |
| 2580 | { |
| 2581 | USBPort *port; |
| 2582 | |
| 2583 | /* Find a USB port to add the device to. */ |
| 2584 | port = free_usb_ports; |
| 2585 | if (!port->next) { |
| 2586 | USBDevice *hub; |
| 2587 | |
| 2588 | /* Create a new hub and chain it on. */ |
| 2589 | free_usb_ports = NULL; |
| 2590 | port->next = used_usb_ports; |
| 2591 | used_usb_ports = port; |
| 2592 | |
| 2593 | hub = usb_hub_init(VM_USB_HUB_SIZE); |
| 2594 | usb_attach(port, hub); |
| 2595 | port = free_usb_ports; |
| 2596 | } |
| 2597 | |
| 2598 | free_usb_ports = port->next; |
| 2599 | port->next = used_usb_ports; |
| 2600 | used_usb_ports = port; |
| 2601 | usb_attach(port, dev); |
| 2602 | return 0; |
| 2603 | } |
| 2604 | |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 2605 | #if 0 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2606 | static void usb_msd_password_cb(void *opaque, int err) |
| 2607 | { |
| 2608 | USBDevice *dev = opaque; |
| 2609 | |
| 2610 | if (!err) |
| 2611 | usb_device_add_dev(dev); |
| 2612 | else |
| 2613 | dev->handle_destroy(dev); |
| 2614 | } |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 2615 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2616 | |
| 2617 | static int usb_device_add(const char *devname, int is_hotplug) |
| 2618 | { |
| 2619 | const char *p; |
| 2620 | USBDevice *dev; |
| 2621 | |
| 2622 | if (!free_usb_ports) |
| 2623 | return -1; |
| 2624 | |
| 2625 | if (strstart(devname, "host:", &p)) { |
| 2626 | dev = usb_host_device_open(p); |
| 2627 | } else if (!strcmp(devname, "mouse")) { |
| 2628 | dev = usb_mouse_init(); |
| 2629 | } else if (!strcmp(devname, "tablet")) { |
| 2630 | dev = usb_tablet_init(); |
| 2631 | } else if (!strcmp(devname, "keyboard")) { |
| 2632 | dev = usb_keyboard_init(); |
| 2633 | } else if (strstart(devname, "disk:", &p)) { |
| 2634 | #if 0 |
| 2635 | BlockDriverState *bs; |
| 2636 | #endif |
| 2637 | dev = usb_msd_init(p); |
| 2638 | if (!dev) |
| 2639 | return -1; |
| 2640 | #if 0 |
| 2641 | bs = usb_msd_get_bdrv(dev); |
| 2642 | if (bdrv_key_required(bs)) { |
| 2643 | autostart = 0; |
| 2644 | if (is_hotplug) { |
| 2645 | monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, |
| 2646 | dev); |
| 2647 | return 0; |
| 2648 | } |
| 2649 | } |
| 2650 | } else if (!strcmp(devname, "wacom-tablet")) { |
| 2651 | dev = usb_wacom_init(); |
| 2652 | } else if (strstart(devname, "serial:", &p)) { |
| 2653 | dev = usb_serial_init(p); |
| 2654 | #ifdef CONFIG_BRLAPI |
| 2655 | } else if (!strcmp(devname, "braille")) { |
| 2656 | dev = usb_baum_init(); |
| 2657 | #endif |
| 2658 | } else if (strstart(devname, "net:", &p)) { |
| 2659 | int nic = nb_nics; |
| 2660 | |
| 2661 | if (net_client_init("nic", p) < 0) |
| 2662 | return -1; |
| 2663 | nd_table[nic].model = "usb"; |
| 2664 | dev = usb_net_init(&nd_table[nic]); |
| 2665 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
| 2666 | dev = usb_bt_init(devname[2] ? hci_init(p) : |
| 2667 | bt_new_hci(qemu_find_bt_vlan(0))); |
| 2668 | #endif |
| 2669 | } else { |
| 2670 | return -1; |
| 2671 | } |
| 2672 | if (!dev) |
| 2673 | return -1; |
| 2674 | |
| 2675 | return usb_device_add_dev(dev); |
| 2676 | } |
| 2677 | |
| 2678 | int usb_device_del_addr(int bus_num, int addr) |
| 2679 | { |
| 2680 | USBPort *port; |
| 2681 | USBPort **lastp; |
| 2682 | USBDevice *dev; |
| 2683 | |
| 2684 | if (!used_usb_ports) |
| 2685 | return -1; |
| 2686 | |
| 2687 | if (bus_num != 0) |
| 2688 | return -1; |
| 2689 | |
| 2690 | lastp = &used_usb_ports; |
| 2691 | port = used_usb_ports; |
| 2692 | while (port && port->dev->addr != addr) { |
| 2693 | lastp = &port->next; |
| 2694 | port = port->next; |
| 2695 | } |
| 2696 | |
| 2697 | if (!port) |
| 2698 | return -1; |
| 2699 | |
| 2700 | dev = port->dev; |
| 2701 | *lastp = port->next; |
| 2702 | usb_attach(port, NULL); |
| 2703 | dev->handle_destroy(dev); |
| 2704 | port->next = free_usb_ports; |
| 2705 | free_usb_ports = port; |
| 2706 | return 0; |
| 2707 | } |
| 2708 | |
| 2709 | static int usb_device_del(const char *devname) |
| 2710 | { |
| 2711 | int bus_num, addr; |
| 2712 | const char *p; |
| 2713 | |
| 2714 | if (strstart(devname, "host:", &p)) |
| 2715 | return usb_host_device_close(p); |
| 2716 | |
| 2717 | if (!used_usb_ports) |
| 2718 | return -1; |
| 2719 | |
| 2720 | p = strchr(devname, '.'); |
| 2721 | if (!p) |
| 2722 | return -1; |
| 2723 | bus_num = strtoul(devname, NULL, 0); |
| 2724 | addr = strtoul(p + 1, NULL, 0); |
| 2725 | |
| 2726 | return usb_device_del_addr(bus_num, addr); |
| 2727 | } |
| 2728 | |
| 2729 | void do_usb_add(Monitor *mon, const char *devname) |
| 2730 | { |
| 2731 | usb_device_add(devname, 1); |
| 2732 | } |
| 2733 | |
| 2734 | void do_usb_del(Monitor *mon, const char *devname) |
| 2735 | { |
| 2736 | usb_device_del(devname); |
| 2737 | } |
| 2738 | |
| 2739 | void usb_info(Monitor *mon) |
| 2740 | { |
| 2741 | USBDevice *dev; |
| 2742 | USBPort *port; |
| 2743 | const char *speed_str; |
| 2744 | |
| 2745 | if (!usb_enabled) { |
| 2746 | monitor_printf(mon, "USB support not enabled\n"); |
| 2747 | return; |
| 2748 | } |
| 2749 | |
| 2750 | for (port = used_usb_ports; port; port = port->next) { |
| 2751 | dev = port->dev; |
| 2752 | if (!dev) |
| 2753 | continue; |
| 2754 | switch(dev->speed) { |
| 2755 | case USB_SPEED_LOW: |
| 2756 | speed_str = "1.5"; |
| 2757 | break; |
| 2758 | case USB_SPEED_FULL: |
| 2759 | speed_str = "12"; |
| 2760 | break; |
| 2761 | case USB_SPEED_HIGH: |
| 2762 | speed_str = "480"; |
| 2763 | break; |
| 2764 | default: |
| 2765 | speed_str = "?"; |
| 2766 | break; |
| 2767 | } |
| 2768 | monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n", |
| 2769 | 0, dev->addr, speed_str, dev->devname); |
| 2770 | } |
| 2771 | } |
| 2772 | |
| 2773 | /***********************************************************/ |
| 2774 | /* PCMCIA/Cardbus */ |
| 2775 | |
| 2776 | static struct pcmcia_socket_entry_s { |
| 2777 | PCMCIASocket *socket; |
| 2778 | struct pcmcia_socket_entry_s *next; |
| 2779 | } *pcmcia_sockets = 0; |
| 2780 | |
| 2781 | void pcmcia_socket_register(PCMCIASocket *socket) |
| 2782 | { |
| 2783 | struct pcmcia_socket_entry_s *entry; |
| 2784 | |
| 2785 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
| 2786 | entry->socket = socket; |
| 2787 | entry->next = pcmcia_sockets; |
| 2788 | pcmcia_sockets = entry; |
| 2789 | } |
| 2790 | |
| 2791 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
| 2792 | { |
| 2793 | struct pcmcia_socket_entry_s *entry, **ptr; |
| 2794 | |
| 2795 | ptr = &pcmcia_sockets; |
| 2796 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) |
| 2797 | if (entry->socket == socket) { |
| 2798 | *ptr = entry->next; |
| 2799 | qemu_free(entry); |
| 2800 | } |
| 2801 | } |
| 2802 | |
| 2803 | void pcmcia_info(Monitor *mon) |
| 2804 | { |
| 2805 | struct pcmcia_socket_entry_s *iter; |
| 2806 | |
| 2807 | if (!pcmcia_sockets) |
| 2808 | monitor_printf(mon, "No PCMCIA sockets\n"); |
| 2809 | |
| 2810 | for (iter = pcmcia_sockets; iter; iter = iter->next) |
| 2811 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
| 2812 | iter->socket->attached ? iter->socket->card_string : |
| 2813 | "Empty"); |
| 2814 | } |
| 2815 | |
| 2816 | /***********************************************************/ |
| 2817 | /* register display */ |
| 2818 | |
| 2819 | struct DisplayAllocator default_allocator = { |
| 2820 | defaultallocator_create_displaysurface, |
| 2821 | defaultallocator_resize_displaysurface, |
| 2822 | defaultallocator_free_displaysurface |
| 2823 | }; |
| 2824 | |
| 2825 | void register_displaystate(DisplayState *ds) |
| 2826 | { |
| 2827 | DisplayState **s; |
| 2828 | s = &display_state; |
| 2829 | while (*s != NULL) |
| 2830 | s = &(*s)->next; |
| 2831 | ds->next = NULL; |
| 2832 | *s = ds; |
| 2833 | } |
| 2834 | |
| 2835 | DisplayState *get_displaystate(void) |
| 2836 | { |
| 2837 | return display_state; |
| 2838 | } |
| 2839 | |
| 2840 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
| 2841 | { |
| 2842 | if(ds->allocator == &default_allocator) ds->allocator = da; |
| 2843 | return ds->allocator; |
| 2844 | } |
| 2845 | |
| 2846 | /* dumb display */ |
| 2847 | |
| 2848 | static void dumb_display_init(void) |
| 2849 | { |
| 2850 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
| 2851 | ds->allocator = &default_allocator; |
| 2852 | ds->surface = qemu_create_displaysurface(ds, 640, 480); |
| 2853 | register_displaystate(ds); |
| 2854 | } |
| 2855 | |
| 2856 | /***********************************************************/ |
| 2857 | /* I/O handling */ |
| 2858 | |
| 2859 | typedef struct IOHandlerRecord { |
| 2860 | int fd; |
| 2861 | IOCanRWHandler *fd_read_poll; |
| 2862 | IOHandler *fd_read; |
| 2863 | IOHandler *fd_write; |
| 2864 | int deleted; |
| 2865 | void *opaque; |
| 2866 | /* temporary data */ |
| 2867 | struct pollfd *ufd; |
| 2868 | struct IOHandlerRecord *next; |
| 2869 | } IOHandlerRecord; |
| 2870 | |
| 2871 | static IOHandlerRecord *first_io_handler; |
| 2872 | |
| 2873 | /* XXX: fd_read_poll should be suppressed, but an API change is |
| 2874 | necessary in the character devices to suppress fd_can_read(). */ |
| 2875 | int qemu_set_fd_handler2(int fd, |
| 2876 | IOCanRWHandler *fd_read_poll, |
| 2877 | IOHandler *fd_read, |
| 2878 | IOHandler *fd_write, |
| 2879 | void *opaque) |
| 2880 | { |
| 2881 | IOHandlerRecord **pioh, *ioh; |
| 2882 | |
| 2883 | if (!fd_read && !fd_write) { |
| 2884 | pioh = &first_io_handler; |
| 2885 | for(;;) { |
| 2886 | ioh = *pioh; |
| 2887 | if (ioh == NULL) |
| 2888 | break; |
| 2889 | if (ioh->fd == fd) { |
| 2890 | ioh->deleted = 1; |
| 2891 | break; |
| 2892 | } |
| 2893 | pioh = &ioh->next; |
| 2894 | } |
| 2895 | } else { |
| 2896 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 2897 | if (ioh->fd == fd) |
| 2898 | goto found; |
| 2899 | } |
| 2900 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
| 2901 | ioh->next = first_io_handler; |
| 2902 | first_io_handler = ioh; |
| 2903 | found: |
| 2904 | ioh->fd = fd; |
| 2905 | ioh->fd_read_poll = fd_read_poll; |
| 2906 | ioh->fd_read = fd_read; |
| 2907 | ioh->fd_write = fd_write; |
| 2908 | ioh->opaque = opaque; |
| 2909 | ioh->deleted = 0; |
| 2910 | } |
| 2911 | return 0; |
| 2912 | } |
| 2913 | |
| 2914 | int qemu_set_fd_handler(int fd, |
| 2915 | IOHandler *fd_read, |
| 2916 | IOHandler *fd_write, |
| 2917 | void *opaque) |
| 2918 | { |
| 2919 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
| 2920 | } |
| 2921 | |
| 2922 | #ifdef _WIN32 |
| 2923 | /***********************************************************/ |
| 2924 | /* Polling handling */ |
| 2925 | |
| 2926 | typedef struct PollingEntry { |
| 2927 | PollingFunc *func; |
| 2928 | void *opaque; |
| 2929 | struct PollingEntry *next; |
| 2930 | } PollingEntry; |
| 2931 | |
| 2932 | static PollingEntry *first_polling_entry; |
| 2933 | |
| 2934 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
| 2935 | { |
| 2936 | PollingEntry **ppe, *pe; |
| 2937 | pe = qemu_mallocz(sizeof(PollingEntry)); |
| 2938 | pe->func = func; |
| 2939 | pe->opaque = opaque; |
| 2940 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
| 2941 | *ppe = pe; |
| 2942 | return 0; |
| 2943 | } |
| 2944 | |
| 2945 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
| 2946 | { |
| 2947 | PollingEntry **ppe, *pe; |
| 2948 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
| 2949 | pe = *ppe; |
| 2950 | if (pe->func == func && pe->opaque == opaque) { |
| 2951 | *ppe = pe->next; |
| 2952 | qemu_free(pe); |
| 2953 | break; |
| 2954 | } |
| 2955 | } |
| 2956 | } |
| 2957 | |
| 2958 | /***********************************************************/ |
| 2959 | /* Wait objects support */ |
| 2960 | typedef struct WaitObjects { |
| 2961 | int num; |
| 2962 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; |
| 2963 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; |
| 2964 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
| 2965 | } WaitObjects; |
| 2966 | |
| 2967 | static WaitObjects wait_objects = {0}; |
| 2968 | |
| 2969 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 2970 | { |
| 2971 | WaitObjects *w = &wait_objects; |
| 2972 | |
| 2973 | if (w->num >= MAXIMUM_WAIT_OBJECTS) |
| 2974 | return -1; |
| 2975 | w->events[w->num] = handle; |
| 2976 | w->func[w->num] = func; |
| 2977 | w->opaque[w->num] = opaque; |
| 2978 | w->num++; |
| 2979 | return 0; |
| 2980 | } |
| 2981 | |
| 2982 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 2983 | { |
| 2984 | int i, found; |
| 2985 | WaitObjects *w = &wait_objects; |
| 2986 | |
| 2987 | found = 0; |
| 2988 | for (i = 0; i < w->num; i++) { |
| 2989 | if (w->events[i] == handle) |
| 2990 | found = 1; |
| 2991 | if (found) { |
| 2992 | w->events[i] = w->events[i + 1]; |
| 2993 | w->func[i] = w->func[i + 1]; |
| 2994 | w->opaque[i] = w->opaque[i + 1]; |
| 2995 | } |
| 2996 | } |
| 2997 | if (found) |
| 2998 | w->num--; |
| 2999 | } |
| 3000 | #endif |
| 3001 | |
| 3002 | /***********************************************************/ |
| 3003 | /* ram save/restore */ |
| 3004 | |
| 3005 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
| 3006 | { |
| 3007 | int v; |
| 3008 | |
| 3009 | v = qemu_get_byte(f); |
| 3010 | switch(v) { |
| 3011 | case 0: |
| 3012 | if (qemu_get_buffer(f, buf, len) != len) |
| 3013 | return -EIO; |
| 3014 | break; |
| 3015 | case 1: |
| 3016 | v = qemu_get_byte(f); |
| 3017 | memset(buf, v, len); |
| 3018 | break; |
| 3019 | default: |
| 3020 | return -EINVAL; |
| 3021 | } |
| 3022 | |
| 3023 | if (qemu_file_has_error(f)) |
| 3024 | return -EIO; |
| 3025 | |
| 3026 | return 0; |
| 3027 | } |
| 3028 | |
| 3029 | static int ram_load_v1(QEMUFile *f, void *opaque) |
| 3030 | { |
| 3031 | int ret; |
| 3032 | ram_addr_t i; |
| 3033 | |
| 3034 | if (qemu_get_be32(f) != last_ram_offset) |
| 3035 | return -EINVAL; |
| 3036 | for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) { |
| 3037 | ret = ram_get_page(f, qemu_get_ram_ptr(i), TARGET_PAGE_SIZE); |
| 3038 | if (ret) |
| 3039 | return ret; |
| 3040 | } |
| 3041 | return 0; |
| 3042 | } |
| 3043 | |
| 3044 | #define BDRV_HASH_BLOCK_SIZE 1024 |
| 3045 | #define IOBUF_SIZE 4096 |
| 3046 | #define RAM_CBLOCK_MAGIC 0xfabe |
| 3047 | |
| 3048 | typedef struct RamDecompressState { |
| 3049 | z_stream zstream; |
| 3050 | QEMUFile *f; |
| 3051 | uint8_t buf[IOBUF_SIZE]; |
| 3052 | } RamDecompressState; |
| 3053 | |
| 3054 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
| 3055 | { |
| 3056 | int ret; |
| 3057 | memset(s, 0, sizeof(*s)); |
| 3058 | s->f = f; |
| 3059 | ret = inflateInit(&s->zstream); |
| 3060 | if (ret != Z_OK) |
| 3061 | return -1; |
| 3062 | return 0; |
| 3063 | } |
| 3064 | |
| 3065 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
| 3066 | { |
| 3067 | int ret, clen; |
| 3068 | |
| 3069 | s->zstream.avail_out = len; |
| 3070 | s->zstream.next_out = buf; |
| 3071 | while (s->zstream.avail_out > 0) { |
| 3072 | if (s->zstream.avail_in == 0) { |
| 3073 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) |
| 3074 | return -1; |
| 3075 | clen = qemu_get_be16(s->f); |
| 3076 | if (clen > IOBUF_SIZE) |
| 3077 | return -1; |
| 3078 | qemu_get_buffer(s->f, s->buf, clen); |
| 3079 | s->zstream.avail_in = clen; |
| 3080 | s->zstream.next_in = s->buf; |
| 3081 | } |
| 3082 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
| 3083 | if (ret != Z_OK && ret != Z_STREAM_END) { |
| 3084 | return -1; |
| 3085 | } |
| 3086 | } |
| 3087 | return 0; |
| 3088 | } |
| 3089 | |
| 3090 | static void ram_decompress_close(RamDecompressState *s) |
| 3091 | { |
| 3092 | inflateEnd(&s->zstream); |
| 3093 | } |
| 3094 | |
| 3095 | #define RAM_SAVE_FLAG_FULL 0x01 |
| 3096 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
| 3097 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
| 3098 | #define RAM_SAVE_FLAG_PAGE 0x08 |
| 3099 | #define RAM_SAVE_FLAG_EOS 0x10 |
| 3100 | |
| 3101 | static int is_dup_page(uint8_t *page, uint8_t ch) |
| 3102 | { |
| 3103 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
| 3104 | uint32_t *array = (uint32_t *)page; |
| 3105 | int i; |
| 3106 | |
| 3107 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
| 3108 | if (array[i] != val) |
| 3109 | return 0; |
| 3110 | } |
| 3111 | |
| 3112 | return 1; |
| 3113 | } |
| 3114 | |
| 3115 | static int ram_save_block(QEMUFile *f) |
| 3116 | { |
| 3117 | static ram_addr_t current_addr = 0; |
| 3118 | ram_addr_t saved_addr = current_addr; |
| 3119 | ram_addr_t addr = 0; |
| 3120 | int found = 0; |
| 3121 | |
| 3122 | while (addr < last_ram_offset) { |
| 3123 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
| 3124 | uint8_t *p; |
| 3125 | |
| 3126 | cpu_physical_memory_reset_dirty(current_addr, |
| 3127 | current_addr + TARGET_PAGE_SIZE, |
| 3128 | MIGRATION_DIRTY_FLAG); |
| 3129 | |
| 3130 | p = qemu_get_ram_ptr(current_addr); |
| 3131 | |
| 3132 | if (is_dup_page(p, *p)) { |
| 3133 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
| 3134 | qemu_put_byte(f, *p); |
| 3135 | } else { |
| 3136 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
| 3137 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
| 3138 | } |
| 3139 | |
| 3140 | found = 1; |
| 3141 | break; |
| 3142 | } |
| 3143 | addr += TARGET_PAGE_SIZE; |
| 3144 | current_addr = (saved_addr + addr) % last_ram_offset; |
| 3145 | } |
| 3146 | |
| 3147 | return found; |
| 3148 | } |
| 3149 | |
| 3150 | static uint64_t bytes_transferred = 0; |
| 3151 | |
| 3152 | static ram_addr_t ram_save_remaining(void) |
| 3153 | { |
| 3154 | ram_addr_t addr; |
| 3155 | ram_addr_t count = 0; |
| 3156 | |
| 3157 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
| 3158 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
| 3159 | count++; |
| 3160 | } |
| 3161 | |
| 3162 | return count; |
| 3163 | } |
| 3164 | |
| 3165 | uint64_t ram_bytes_remaining(void) |
| 3166 | { |
| 3167 | return ram_save_remaining() * TARGET_PAGE_SIZE; |
| 3168 | } |
| 3169 | |
| 3170 | uint64_t ram_bytes_transferred(void) |
| 3171 | { |
| 3172 | return bytes_transferred; |
| 3173 | } |
| 3174 | |
| 3175 | uint64_t ram_bytes_total(void) |
| 3176 | { |
| 3177 | return last_ram_offset; |
| 3178 | } |
| 3179 | |
| 3180 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) |
| 3181 | { |
| 3182 | ram_addr_t addr; |
| 3183 | uint64_t bytes_transferred_last; |
| 3184 | double bwidth = 0; |
| 3185 | uint64_t expected_time = 0; |
| 3186 | |
| 3187 | cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX); |
| 3188 | |
| 3189 | if (stage == 1) { |
| 3190 | /* Make sure all dirty bits are set */ |
| 3191 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
| 3192 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
| 3193 | cpu_physical_memory_set_dirty(addr); |
| 3194 | } |
| 3195 | |
| 3196 | /* Enable dirty memory tracking */ |
| 3197 | cpu_physical_memory_set_dirty_tracking(1); |
| 3198 | |
| 3199 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
| 3200 | } |
| 3201 | |
| 3202 | bytes_transferred_last = bytes_transferred; |
| 3203 | bwidth = get_clock(); |
| 3204 | |
| 3205 | while (!qemu_file_rate_limit(f)) { |
| 3206 | int ret; |
| 3207 | |
| 3208 | ret = ram_save_block(f); |
| 3209 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
| 3210 | if (ret == 0) /* no more blocks */ |
| 3211 | break; |
| 3212 | } |
| 3213 | |
| 3214 | bwidth = get_clock() - bwidth; |
| 3215 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
| 3216 | |
| 3217 | /* if we haven't transferred anything this round, force expected_time to a |
| 3218 | * a very high value, but without crashing */ |
| 3219 | if (bwidth == 0) |
| 3220 | bwidth = 0.000001; |
| 3221 | |
| 3222 | /* try transferring iterative blocks of memory */ |
| 3223 | |
| 3224 | if (stage == 3) { |
| 3225 | |
| 3226 | /* flush all remaining blocks regardless of rate limiting */ |
| 3227 | while (ram_save_block(f) != 0) { |
| 3228 | bytes_transferred += TARGET_PAGE_SIZE; |
| 3229 | } |
| 3230 | cpu_physical_memory_set_dirty_tracking(0); |
| 3231 | } |
| 3232 | |
| 3233 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 3234 | |
| 3235 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
| 3236 | |
| 3237 | return (stage == 2) && (expected_time <= migrate_max_downtime()); |
| 3238 | } |
| 3239 | |
| 3240 | static int ram_load_dead(QEMUFile *f, void *opaque) |
| 3241 | { |
| 3242 | RamDecompressState s1, *s = &s1; |
| 3243 | uint8_t buf[10]; |
| 3244 | ram_addr_t i; |
| 3245 | |
| 3246 | if (ram_decompress_open(s, f) < 0) |
| 3247 | return -EINVAL; |
| 3248 | for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) { |
| 3249 | if (ram_decompress_buf(s, buf, 1) < 0) { |
| 3250 | fprintf(stderr, "Error while reading ram block header\n"); |
| 3251 | goto error; |
| 3252 | } |
| 3253 | if (buf[0] == 0) { |
| 3254 | if (ram_decompress_buf(s, qemu_get_ram_ptr(i), |
| 3255 | BDRV_HASH_BLOCK_SIZE) < 0) { |
| 3256 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); |
| 3257 | goto error; |
| 3258 | } |
| 3259 | } else { |
| 3260 | error: |
| 3261 | printf("Error block header\n"); |
| 3262 | return -EINVAL; |
| 3263 | } |
| 3264 | } |
| 3265 | ram_decompress_close(s); |
| 3266 | |
| 3267 | return 0; |
| 3268 | } |
| 3269 | |
| 3270 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 3271 | { |
| 3272 | ram_addr_t addr; |
| 3273 | int flags; |
| 3274 | |
| 3275 | if (version_id == 1) |
| 3276 | return ram_load_v1(f, opaque); |
| 3277 | |
| 3278 | if (version_id == 2) { |
| 3279 | if (qemu_get_be32(f) != last_ram_offset) |
| 3280 | return -EINVAL; |
| 3281 | return ram_load_dead(f, opaque); |
| 3282 | } |
| 3283 | |
| 3284 | if (version_id != 3) |
| 3285 | return -EINVAL; |
| 3286 | |
| 3287 | do { |
| 3288 | addr = qemu_get_be64(f); |
| 3289 | |
| 3290 | flags = addr & ~TARGET_PAGE_MASK; |
| 3291 | addr &= TARGET_PAGE_MASK; |
| 3292 | |
| 3293 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { |
| 3294 | if (addr != last_ram_offset) |
| 3295 | return -EINVAL; |
| 3296 | } |
| 3297 | |
| 3298 | if (flags & RAM_SAVE_FLAG_FULL) { |
| 3299 | if (ram_load_dead(f, opaque) < 0) |
| 3300 | return -EINVAL; |
| 3301 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 3302 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3303 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
| 3304 | uint8_t ch = qemu_get_byte(f); |
| 3305 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
| 3306 | } else if (flags & RAM_SAVE_FLAG_PAGE) |
| 3307 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
| 3308 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
| 3309 | |
| 3310 | return 0; |
| 3311 | } |
| 3312 | |
| 3313 | void qemu_service_io(void) |
| 3314 | { |
| 3315 | qemu_notify_event(); |
| 3316 | } |
| 3317 | |
| 3318 | /***********************************************************/ |
| 3319 | /* bottom halves (can be seen as timers which expire ASAP) */ |
| 3320 | |
| 3321 | struct QEMUBH { |
| 3322 | QEMUBHFunc *cb; |
| 3323 | void *opaque; |
| 3324 | int scheduled; |
| 3325 | int idle; |
| 3326 | int deleted; |
| 3327 | QEMUBH *next; |
| 3328 | }; |
| 3329 | |
| 3330 | static QEMUBH *first_bh = NULL; |
| 3331 | |
| 3332 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) |
| 3333 | { |
| 3334 | QEMUBH *bh; |
| 3335 | bh = qemu_mallocz(sizeof(QEMUBH)); |
| 3336 | bh->cb = cb; |
| 3337 | bh->opaque = opaque; |
| 3338 | bh->next = first_bh; |
| 3339 | first_bh = bh; |
| 3340 | return bh; |
| 3341 | } |
| 3342 | |
| 3343 | int qemu_bh_poll(void) |
| 3344 | { |
| 3345 | QEMUBH *bh, **bhp; |
| 3346 | int ret; |
| 3347 | |
| 3348 | ret = 0; |
| 3349 | for (bh = first_bh; bh; bh = bh->next) { |
| 3350 | if (!bh->deleted && bh->scheduled) { |
| 3351 | bh->scheduled = 0; |
| 3352 | if (!bh->idle) |
| 3353 | ret = 1; |
| 3354 | bh->idle = 0; |
| 3355 | bh->cb(bh->opaque); |
| 3356 | } |
| 3357 | } |
| 3358 | |
| 3359 | /* remove deleted bhs */ |
| 3360 | bhp = &first_bh; |
| 3361 | while (*bhp) { |
| 3362 | bh = *bhp; |
| 3363 | if (bh->deleted) { |
| 3364 | *bhp = bh->next; |
| 3365 | qemu_free(bh); |
| 3366 | } else |
| 3367 | bhp = &bh->next; |
| 3368 | } |
| 3369 | |
| 3370 | return ret; |
| 3371 | } |
| 3372 | |
| 3373 | void qemu_bh_schedule_idle(QEMUBH *bh) |
| 3374 | { |
| 3375 | if (bh->scheduled) |
| 3376 | return; |
| 3377 | bh->scheduled = 1; |
| 3378 | bh->idle = 1; |
| 3379 | } |
| 3380 | |
| 3381 | void qemu_bh_schedule(QEMUBH *bh) |
| 3382 | { |
| 3383 | if (bh->scheduled) |
| 3384 | return; |
| 3385 | bh->scheduled = 1; |
| 3386 | bh->idle = 0; |
| 3387 | /* stop the currently executing CPU to execute the BH ASAP */ |
| 3388 | qemu_notify_event(); |
| 3389 | } |
| 3390 | |
| 3391 | void qemu_bh_cancel(QEMUBH *bh) |
| 3392 | { |
| 3393 | bh->scheduled = 0; |
| 3394 | } |
| 3395 | |
| 3396 | void qemu_bh_delete(QEMUBH *bh) |
| 3397 | { |
| 3398 | bh->scheduled = 0; |
| 3399 | bh->deleted = 1; |
| 3400 | } |
| 3401 | |
| 3402 | static void qemu_bh_update_timeout(int *timeout) |
| 3403 | { |
| 3404 | QEMUBH *bh; |
| 3405 | |
| 3406 | for (bh = first_bh; bh; bh = bh->next) { |
| 3407 | if (!bh->deleted && bh->scheduled) { |
| 3408 | if (bh->idle) { |
| 3409 | /* idle bottom halves will be polled at least |
| 3410 | * every 10ms */ |
| 3411 | *timeout = MIN(10, *timeout); |
| 3412 | } else { |
| 3413 | /* non-idle bottom halves will be executed |
| 3414 | * immediately */ |
| 3415 | *timeout = 0; |
| 3416 | break; |
| 3417 | } |
| 3418 | } |
| 3419 | } |
| 3420 | } |
| 3421 | |
| 3422 | /***********************************************************/ |
| 3423 | /* machine registration */ |
| 3424 | |
| 3425 | static QEMUMachine *first_machine = NULL; |
| 3426 | QEMUMachine *current_machine = NULL; |
| 3427 | |
| 3428 | int qemu_register_machine(QEMUMachine *m) |
| 3429 | { |
| 3430 | QEMUMachine **pm; |
| 3431 | pm = &first_machine; |
| 3432 | while (*pm != NULL) |
| 3433 | pm = &(*pm)->next; |
| 3434 | m->next = NULL; |
| 3435 | *pm = m; |
| 3436 | return 0; |
| 3437 | } |
| 3438 | |
| 3439 | static QEMUMachine *find_machine(const char *name) |
| 3440 | { |
| 3441 | QEMUMachine *m; |
| 3442 | |
| 3443 | for(m = first_machine; m != NULL; m = m->next) { |
| 3444 | if (!strcmp(m->name, name)) |
| 3445 | return m; |
| 3446 | } |
| 3447 | return NULL; |
| 3448 | } |
| 3449 | |
| 3450 | static QEMUMachine *find_default_machine(void) |
| 3451 | { |
| 3452 | QEMUMachine *m; |
| 3453 | |
| 3454 | for(m = first_machine; m != NULL; m = m->next) { |
| 3455 | if (m->is_default) { |
| 3456 | return m; |
| 3457 | } |
| 3458 | } |
| 3459 | return NULL; |
| 3460 | } |
| 3461 | |
| 3462 | /***********************************************************/ |
| 3463 | /* main execution loop */ |
| 3464 | |
| 3465 | static void gui_update(void *opaque) |
| 3466 | { |
| 3467 | uint64_t interval = GUI_REFRESH_INTERVAL; |
| 3468 | DisplayState *ds = opaque; |
| 3469 | DisplayChangeListener *dcl = ds->listeners; |
| 3470 | |
| 3471 | dpy_refresh(ds); |
| 3472 | |
| 3473 | while (dcl != NULL) { |
| 3474 | if (dcl->gui_timer_interval && |
| 3475 | dcl->gui_timer_interval < interval) |
| 3476 | interval = dcl->gui_timer_interval; |
| 3477 | dcl = dcl->next; |
| 3478 | } |
| 3479 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); |
| 3480 | } |
| 3481 | |
| 3482 | static void nographic_update(void *opaque) |
| 3483 | { |
| 3484 | uint64_t interval = GUI_REFRESH_INTERVAL; |
| 3485 | |
| 3486 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); |
| 3487 | } |
| 3488 | |
| 3489 | struct vm_change_state_entry { |
| 3490 | VMChangeStateHandler *cb; |
| 3491 | void *opaque; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3492 | QLIST_ENTRY (vm_change_state_entry) entries; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3493 | }; |
| 3494 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3495 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3496 | |
| 3497 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
| 3498 | void *opaque) |
| 3499 | { |
| 3500 | VMChangeStateEntry *e; |
| 3501 | |
| 3502 | e = qemu_mallocz(sizeof (*e)); |
| 3503 | |
| 3504 | e->cb = cb; |
| 3505 | e->opaque = opaque; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3506 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3507 | return e; |
| 3508 | } |
| 3509 | |
| 3510 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) |
| 3511 | { |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3512 | QLIST_REMOVE (e, entries); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3513 | qemu_free (e); |
| 3514 | } |
| 3515 | |
| 3516 | static void vm_state_notify(int running, int reason) |
| 3517 | { |
| 3518 | VMChangeStateEntry *e; |
| 3519 | |
| 3520 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { |
| 3521 | e->cb(e->opaque, running, reason); |
| 3522 | } |
| 3523 | } |
| 3524 | |
| 3525 | static void resume_all_vcpus(void); |
| 3526 | static void pause_all_vcpus(void); |
| 3527 | |
| 3528 | void vm_start(void) |
| 3529 | { |
| 3530 | if (!vm_running) { |
| 3531 | cpu_enable_ticks(); |
| 3532 | vm_running = 1; |
| 3533 | vm_state_notify(1, 0); |
| 3534 | qemu_rearm_alarm_timer(alarm_timer); |
| 3535 | resume_all_vcpus(); |
| 3536 | } |
| 3537 | } |
| 3538 | |
| 3539 | /* reset/shutdown handler */ |
| 3540 | |
| 3541 | typedef struct QEMUResetEntry { |
| 3542 | QEMUResetHandler *func; |
| 3543 | void *opaque; |
| 3544 | int order; |
| 3545 | struct QEMUResetEntry *next; |
| 3546 | } QEMUResetEntry; |
| 3547 | |
| 3548 | static QEMUResetEntry *first_reset_entry; |
| 3549 | static int reset_requested; |
| 3550 | static int shutdown_requested; |
| 3551 | static int powerdown_requested; |
| 3552 | static int debug_requested; |
| 3553 | static int vmstop_requested; |
| 3554 | |
| 3555 | int qemu_shutdown_requested(void) |
| 3556 | { |
| 3557 | int r = shutdown_requested; |
| 3558 | shutdown_requested = 0; |
| 3559 | return r; |
| 3560 | } |
| 3561 | |
| 3562 | int qemu_reset_requested(void) |
| 3563 | { |
| 3564 | int r = reset_requested; |
| 3565 | reset_requested = 0; |
| 3566 | return r; |
| 3567 | } |
| 3568 | |
| 3569 | int qemu_powerdown_requested(void) |
| 3570 | { |
| 3571 | int r = powerdown_requested; |
| 3572 | powerdown_requested = 0; |
| 3573 | return r; |
| 3574 | } |
| 3575 | |
| 3576 | static int qemu_debug_requested(void) |
| 3577 | { |
| 3578 | int r = debug_requested; |
| 3579 | debug_requested = 0; |
| 3580 | return r; |
| 3581 | } |
| 3582 | |
| 3583 | static int qemu_vmstop_requested(void) |
| 3584 | { |
| 3585 | int r = vmstop_requested; |
| 3586 | vmstop_requested = 0; |
| 3587 | return r; |
| 3588 | } |
| 3589 | |
| 3590 | static void do_vm_stop(int reason) |
| 3591 | { |
| 3592 | if (vm_running) { |
| 3593 | cpu_disable_ticks(); |
| 3594 | vm_running = 0; |
| 3595 | pause_all_vcpus(); |
| 3596 | vm_state_notify(0, reason); |
| 3597 | } |
| 3598 | } |
| 3599 | |
| 3600 | void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque) |
| 3601 | { |
| 3602 | QEMUResetEntry **pre, *re; |
| 3603 | |
| 3604 | pre = &first_reset_entry; |
| 3605 | while (*pre != NULL && (*pre)->order >= order) { |
| 3606 | pre = &(*pre)->next; |
| 3607 | } |
| 3608 | re = qemu_mallocz(sizeof(QEMUResetEntry)); |
| 3609 | re->func = func; |
| 3610 | re->opaque = opaque; |
| 3611 | re->order = order; |
| 3612 | re->next = NULL; |
| 3613 | *pre = re; |
| 3614 | } |
| 3615 | |
| 3616 | void qemu_system_reset(void) |
| 3617 | { |
| 3618 | QEMUResetEntry *re; |
| 3619 | |
| 3620 | /* reset all devices */ |
| 3621 | for(re = first_reset_entry; re != NULL; re = re->next) { |
| 3622 | re->func(re->opaque); |
| 3623 | } |
| 3624 | } |
| 3625 | |
| 3626 | void qemu_system_reset_request(void) |
| 3627 | { |
| 3628 | if (no_reboot) { |
| 3629 | shutdown_requested = 1; |
| 3630 | } else { |
| 3631 | reset_requested = 1; |
| 3632 | } |
| 3633 | qemu_notify_event(); |
| 3634 | } |
| 3635 | |
| 3636 | void qemu_system_shutdown_request(void) |
| 3637 | { |
| 3638 | shutdown_requested = 1; |
| 3639 | qemu_notify_event(); |
| 3640 | } |
| 3641 | |
| 3642 | void qemu_system_powerdown_request(void) |
| 3643 | { |
| 3644 | powerdown_requested = 1; |
| 3645 | qemu_notify_event(); |
| 3646 | } |
| 3647 | |
| 3648 | #ifdef CONFIG_IOTHREAD |
| 3649 | static void qemu_system_vmstop_request(int reason) |
| 3650 | { |
| 3651 | vmstop_requested = reason; |
| 3652 | qemu_notify_event(); |
| 3653 | } |
| 3654 | #endif |
| 3655 | |
| 3656 | #ifndef _WIN32 |
| 3657 | static int io_thread_fd = -1; |
| 3658 | |
| 3659 | static void qemu_event_increment(void) |
| 3660 | { |
| 3661 | static const char byte = 0; |
| 3662 | |
| 3663 | if (io_thread_fd == -1) |
| 3664 | return; |
| 3665 | |
| 3666 | write(io_thread_fd, &byte, sizeof(byte)); |
| 3667 | } |
| 3668 | |
| 3669 | static void qemu_event_read(void *opaque) |
| 3670 | { |
| 3671 | int fd = (unsigned long)opaque; |
| 3672 | ssize_t len; |
| 3673 | |
| 3674 | /* Drain the notify pipe */ |
| 3675 | do { |
| 3676 | char buffer[512]; |
| 3677 | len = read(fd, buffer, sizeof(buffer)); |
| 3678 | } while ((len == -1 && errno == EINTR) || len > 0); |
| 3679 | } |
| 3680 | |
| 3681 | static int qemu_event_init(void) |
| 3682 | { |
| 3683 | int err; |
| 3684 | int fds[2]; |
| 3685 | |
| 3686 | err = pipe(fds); |
| 3687 | if (err == -1) |
| 3688 | return -errno; |
| 3689 | |
| 3690 | err = fcntl_setfl(fds[0], O_NONBLOCK); |
| 3691 | if (err < 0) |
| 3692 | goto fail; |
| 3693 | |
| 3694 | err = fcntl_setfl(fds[1], O_NONBLOCK); |
| 3695 | if (err < 0) |
| 3696 | goto fail; |
| 3697 | |
| 3698 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, |
| 3699 | (void *)(unsigned long)fds[0]); |
| 3700 | |
| 3701 | io_thread_fd = fds[1]; |
| 3702 | return 0; |
| 3703 | |
| 3704 | fail: |
| 3705 | close(fds[0]); |
| 3706 | close(fds[1]); |
| 3707 | return err; |
| 3708 | } |
| 3709 | #else |
| 3710 | HANDLE qemu_event_handle; |
| 3711 | |
| 3712 | static void dummy_event_handler(void *opaque) |
| 3713 | { |
| 3714 | } |
| 3715 | |
| 3716 | static int qemu_event_init(void) |
| 3717 | { |
| 3718 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 3719 | if (!qemu_event_handle) { |
| 3720 | perror("Failed CreateEvent"); |
| 3721 | return -1; |
| 3722 | } |
| 3723 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); |
| 3724 | return 0; |
| 3725 | } |
| 3726 | |
| 3727 | static void qemu_event_increment(void) |
| 3728 | { |
| 3729 | SetEvent(qemu_event_handle); |
| 3730 | } |
| 3731 | #endif |
| 3732 | |
| 3733 | static int cpu_can_run(CPUState *env) |
| 3734 | { |
| 3735 | if (env->stop) |
| 3736 | return 0; |
| 3737 | if (env->stopped) |
| 3738 | return 0; |
| 3739 | return 1; |
| 3740 | } |
| 3741 | |
| 3742 | #ifndef CONFIG_IOTHREAD |
| 3743 | static int qemu_init_main_loop(void) |
| 3744 | { |
| 3745 | return qemu_event_init(); |
| 3746 | } |
| 3747 | |
| 3748 | void qemu_init_vcpu(void *_env) |
| 3749 | { |
| 3750 | CPUState *env = _env; |
| 3751 | |
| 3752 | if (kvm_enabled()) |
| 3753 | kvm_init_vcpu(env); |
| 3754 | return; |
| 3755 | } |
| 3756 | |
| 3757 | int qemu_cpu_self(void *env) |
| 3758 | { |
| 3759 | return 1; |
| 3760 | } |
| 3761 | |
| 3762 | static void resume_all_vcpus(void) |
| 3763 | { |
| 3764 | } |
| 3765 | |
| 3766 | static void pause_all_vcpus(void) |
| 3767 | { |
| 3768 | } |
| 3769 | |
| 3770 | void qemu_cpu_kick(void *env) |
| 3771 | { |
| 3772 | return; |
| 3773 | } |
| 3774 | |
| 3775 | void qemu_notify_event(void) |
| 3776 | { |
| 3777 | CPUState *env = cpu_single_env; |
| 3778 | |
| 3779 | if (env) { |
| 3780 | cpu_exit(env); |
| 3781 | #ifdef USE_KQEMU |
| 3782 | if (env->kqemu_enabled) |
| 3783 | kqemu_cpu_interrupt(env); |
| 3784 | #endif |
| 3785 | } |
| 3786 | } |
| 3787 | |
| 3788 | #define qemu_mutex_lock_iothread() do { } while (0) |
| 3789 | #define qemu_mutex_unlock_iothread() do { } while (0) |
| 3790 | |
| 3791 | void vm_stop(int reason) |
| 3792 | { |
| 3793 | do_vm_stop(reason); |
| 3794 | } |
| 3795 | |
| 3796 | #else /* CONFIG_IOTHREAD */ |
| 3797 | |
| 3798 | #include "qemu-thread.h" |
| 3799 | |
| 3800 | QemuMutex qemu_global_mutex; |
| 3801 | static QemuMutex qemu_fair_mutex; |
| 3802 | |
| 3803 | static QemuThread io_thread; |
| 3804 | |
| 3805 | static QemuThread *tcg_cpu_thread; |
| 3806 | static QemuCond *tcg_halt_cond; |
| 3807 | |
| 3808 | static int qemu_system_ready; |
| 3809 | /* cpu creation */ |
| 3810 | static QemuCond qemu_cpu_cond; |
| 3811 | /* system init */ |
| 3812 | static QemuCond qemu_system_cond; |
| 3813 | static QemuCond qemu_pause_cond; |
| 3814 | |
| 3815 | static void block_io_signals(void); |
| 3816 | static void unblock_io_signals(void); |
| 3817 | static int tcg_has_work(void); |
| 3818 | |
| 3819 | static int qemu_init_main_loop(void) |
| 3820 | { |
| 3821 | int ret; |
| 3822 | |
| 3823 | ret = qemu_event_init(); |
| 3824 | if (ret) |
| 3825 | return ret; |
| 3826 | |
| 3827 | qemu_cond_init(&qemu_pause_cond); |
| 3828 | qemu_mutex_init(&qemu_fair_mutex); |
| 3829 | qemu_mutex_init(&qemu_global_mutex); |
| 3830 | qemu_mutex_lock(&qemu_global_mutex); |
| 3831 | |
| 3832 | unblock_io_signals(); |
| 3833 | qemu_thread_self(&io_thread); |
| 3834 | |
| 3835 | return 0; |
| 3836 | } |
| 3837 | |
| 3838 | static void qemu_wait_io_event(CPUState *env) |
| 3839 | { |
| 3840 | while (!tcg_has_work()) |
| 3841 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); |
| 3842 | |
| 3843 | qemu_mutex_unlock(&qemu_global_mutex); |
| 3844 | |
| 3845 | /* |
| 3846 | * Users of qemu_global_mutex can be starved, having no chance |
| 3847 | * to acquire it since this path will get to it first. |
| 3848 | * So use another lock to provide fairness. |
| 3849 | */ |
| 3850 | qemu_mutex_lock(&qemu_fair_mutex); |
| 3851 | qemu_mutex_unlock(&qemu_fair_mutex); |
| 3852 | |
| 3853 | qemu_mutex_lock(&qemu_global_mutex); |
| 3854 | if (env->stop) { |
| 3855 | env->stop = 0; |
| 3856 | env->stopped = 1; |
| 3857 | qemu_cond_signal(&qemu_pause_cond); |
| 3858 | } |
| 3859 | } |
| 3860 | |
| 3861 | static int qemu_cpu_exec(CPUState *env); |
| 3862 | |
| 3863 | static void *kvm_cpu_thread_fn(void *arg) |
| 3864 | { |
| 3865 | CPUState *env = arg; |
| 3866 | |
| 3867 | block_io_signals(); |
| 3868 | qemu_thread_self(env->thread); |
| 3869 | |
| 3870 | /* signal CPU creation */ |
| 3871 | qemu_mutex_lock(&qemu_global_mutex); |
| 3872 | env->created = 1; |
| 3873 | qemu_cond_signal(&qemu_cpu_cond); |
| 3874 | |
| 3875 | /* and wait for machine initialization */ |
| 3876 | while (!qemu_system_ready) |
| 3877 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); |
| 3878 | |
| 3879 | while (1) { |
| 3880 | if (cpu_can_run(env)) |
| 3881 | qemu_cpu_exec(env); |
| 3882 | qemu_wait_io_event(env); |
| 3883 | } |
| 3884 | |
| 3885 | return NULL; |
| 3886 | } |
| 3887 | |
| 3888 | static void tcg_cpu_exec(void); |
| 3889 | |
| 3890 | static void *tcg_cpu_thread_fn(void *arg) |
| 3891 | { |
| 3892 | CPUState *env = arg; |
| 3893 | |
| 3894 | block_io_signals(); |
| 3895 | qemu_thread_self(env->thread); |
| 3896 | |
| 3897 | /* signal CPU creation */ |
| 3898 | qemu_mutex_lock(&qemu_global_mutex); |
| 3899 | for (env = first_cpu; env != NULL; env = env->next_cpu) |
| 3900 | env->created = 1; |
| 3901 | qemu_cond_signal(&qemu_cpu_cond); |
| 3902 | |
| 3903 | /* and wait for machine initialization */ |
| 3904 | while (!qemu_system_ready) |
| 3905 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); |
| 3906 | |
| 3907 | while (1) { |
| 3908 | tcg_cpu_exec(); |
| 3909 | qemu_wait_io_event(cur_cpu); |
| 3910 | } |
| 3911 | |
| 3912 | return NULL; |
| 3913 | } |
| 3914 | |
| 3915 | void qemu_cpu_kick(void *_env) |
| 3916 | { |
| 3917 | CPUState *env = _env; |
| 3918 | qemu_cond_broadcast(env->halt_cond); |
| 3919 | if (kvm_enabled()) |
| 3920 | qemu_thread_signal(env->thread, SIGUSR1); |
| 3921 | } |
| 3922 | |
| 3923 | int qemu_cpu_self(void *env) |
| 3924 | { |
| 3925 | return (cpu_single_env != NULL); |
| 3926 | } |
| 3927 | |
| 3928 | static void cpu_signal(int sig) |
| 3929 | { |
| 3930 | if (cpu_single_env) |
| 3931 | cpu_exit(cpu_single_env); |
| 3932 | } |
| 3933 | |
| 3934 | static void block_io_signals(void) |
| 3935 | { |
| 3936 | sigset_t set; |
| 3937 | struct sigaction sigact; |
| 3938 | |
| 3939 | sigemptyset(&set); |
| 3940 | sigaddset(&set, SIGUSR2); |
| 3941 | sigaddset(&set, SIGIO); |
| 3942 | sigaddset(&set, SIGALRM); |
| 3943 | pthread_sigmask(SIG_BLOCK, &set, NULL); |
| 3944 | |
| 3945 | sigemptyset(&set); |
| 3946 | sigaddset(&set, SIGUSR1); |
| 3947 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); |
| 3948 | |
| 3949 | memset(&sigact, 0, sizeof(sigact)); |
| 3950 | sigact.sa_handler = cpu_signal; |
| 3951 | sigaction(SIGUSR1, &sigact, NULL); |
| 3952 | } |
| 3953 | |
| 3954 | static void unblock_io_signals(void) |
| 3955 | { |
| 3956 | sigset_t set; |
| 3957 | |
| 3958 | sigemptyset(&set); |
| 3959 | sigaddset(&set, SIGUSR2); |
| 3960 | sigaddset(&set, SIGIO); |
| 3961 | sigaddset(&set, SIGALRM); |
| 3962 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); |
| 3963 | |
| 3964 | sigemptyset(&set); |
| 3965 | sigaddset(&set, SIGUSR1); |
| 3966 | pthread_sigmask(SIG_BLOCK, &set, NULL); |
| 3967 | } |
| 3968 | |
| 3969 | static void qemu_signal_lock(unsigned int msecs) |
| 3970 | { |
| 3971 | qemu_mutex_lock(&qemu_fair_mutex); |
| 3972 | |
| 3973 | while (qemu_mutex_trylock(&qemu_global_mutex)) { |
| 3974 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); |
| 3975 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) |
| 3976 | break; |
| 3977 | } |
| 3978 | qemu_mutex_unlock(&qemu_fair_mutex); |
| 3979 | } |
| 3980 | |
| 3981 | static void qemu_mutex_lock_iothread(void) |
| 3982 | { |
| 3983 | if (kvm_enabled()) { |
| 3984 | qemu_mutex_lock(&qemu_fair_mutex); |
| 3985 | qemu_mutex_lock(&qemu_global_mutex); |
| 3986 | qemu_mutex_unlock(&qemu_fair_mutex); |
| 3987 | } else |
| 3988 | qemu_signal_lock(100); |
| 3989 | } |
| 3990 | |
| 3991 | static void qemu_mutex_unlock_iothread(void) |
| 3992 | { |
| 3993 | qemu_mutex_unlock(&qemu_global_mutex); |
| 3994 | } |
| 3995 | |
| 3996 | static int all_vcpus_paused(void) |
| 3997 | { |
| 3998 | CPUState *penv = first_cpu; |
| 3999 | |
| 4000 | while (penv) { |
| 4001 | if (!penv->stopped) |
| 4002 | return 0; |
| 4003 | penv = (CPUState *)penv->next_cpu; |
| 4004 | } |
| 4005 | |
| 4006 | return 1; |
| 4007 | } |
| 4008 | |
| 4009 | static void pause_all_vcpus(void) |
| 4010 | { |
| 4011 | CPUState *penv = first_cpu; |
| 4012 | |
| 4013 | while (penv) { |
| 4014 | penv->stop = 1; |
| 4015 | qemu_thread_signal(penv->thread, SIGUSR1); |
| 4016 | qemu_cpu_kick(penv); |
| 4017 | penv = (CPUState *)penv->next_cpu; |
| 4018 | } |
| 4019 | |
| 4020 | while (!all_vcpus_paused()) { |
| 4021 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); |
| 4022 | penv = first_cpu; |
| 4023 | while (penv) { |
| 4024 | qemu_thread_signal(penv->thread, SIGUSR1); |
| 4025 | penv = (CPUState *)penv->next_cpu; |
| 4026 | } |
| 4027 | } |
| 4028 | } |
| 4029 | |
| 4030 | static void resume_all_vcpus(void) |
| 4031 | { |
| 4032 | CPUState *penv = first_cpu; |
| 4033 | |
| 4034 | while (penv) { |
| 4035 | penv->stop = 0; |
| 4036 | penv->stopped = 0; |
| 4037 | qemu_thread_signal(penv->thread, SIGUSR1); |
| 4038 | qemu_cpu_kick(penv); |
| 4039 | penv = (CPUState *)penv->next_cpu; |
| 4040 | } |
| 4041 | } |
| 4042 | |
| 4043 | static void tcg_init_vcpu(void *_env) |
| 4044 | { |
| 4045 | CPUState *env = _env; |
| 4046 | /* share a single thread for all cpus with TCG */ |
| 4047 | if (!tcg_cpu_thread) { |
| 4048 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
| 4049 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); |
| 4050 | qemu_cond_init(env->halt_cond); |
| 4051 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); |
| 4052 | while (env->created == 0) |
| 4053 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); |
| 4054 | tcg_cpu_thread = env->thread; |
| 4055 | tcg_halt_cond = env->halt_cond; |
| 4056 | } else { |
| 4057 | env->thread = tcg_cpu_thread; |
| 4058 | env->halt_cond = tcg_halt_cond; |
| 4059 | } |
| 4060 | } |
| 4061 | |
| 4062 | static void kvm_start_vcpu(CPUState *env) |
| 4063 | { |
| 4064 | #if 0 |
| 4065 | kvm_init_vcpu(env); |
| 4066 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
| 4067 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); |
| 4068 | qemu_cond_init(env->halt_cond); |
| 4069 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); |
| 4070 | while (env->created == 0) |
| 4071 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); |
| 4072 | #endif |
| 4073 | } |
| 4074 | |
| 4075 | void qemu_init_vcpu(void *_env) |
| 4076 | { |
| 4077 | CPUState *env = _env; |
| 4078 | |
| 4079 | if (kvm_enabled()) |
| 4080 | kvm_start_vcpu(env); |
| 4081 | else |
| 4082 | tcg_init_vcpu(env); |
| 4083 | } |
| 4084 | |
| 4085 | void qemu_notify_event(void) |
| 4086 | { |
| 4087 | qemu_event_increment(); |
| 4088 | } |
| 4089 | |
| 4090 | void vm_stop(int reason) |
| 4091 | { |
| 4092 | QemuThread me; |
| 4093 | qemu_thread_self(&me); |
| 4094 | |
| 4095 | if (!qemu_thread_equal(&me, &io_thread)) { |
| 4096 | qemu_system_vmstop_request(reason); |
| 4097 | /* |
| 4098 | * FIXME: should not return to device code in case |
| 4099 | * vm_stop() has been requested. |
| 4100 | */ |
| 4101 | if (cpu_single_env) { |
| 4102 | cpu_exit(cpu_single_env); |
| 4103 | cpu_single_env->stop = 1; |
| 4104 | } |
| 4105 | return; |
| 4106 | } |
| 4107 | do_vm_stop(reason); |
| 4108 | } |
| 4109 | |
| 4110 | #endif |
| 4111 | |
| 4112 | |
| 4113 | #ifdef _WIN32 |
| 4114 | static void host_main_loop_wait(int *timeout) |
| 4115 | { |
| 4116 | int ret, ret2, i; |
| 4117 | PollingEntry *pe; |
| 4118 | |
| 4119 | |
| 4120 | /* XXX: need to suppress polling by better using win32 events */ |
| 4121 | ret = 0; |
| 4122 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
| 4123 | ret |= pe->func(pe->opaque); |
| 4124 | } |
| 4125 | if (ret == 0) { |
| 4126 | int err; |
| 4127 | WaitObjects *w = &wait_objects; |
| 4128 | |
| 4129 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
| 4130 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
| 4131 | if (w->func[ret - WAIT_OBJECT_0]) |
| 4132 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
| 4133 | |
| 4134 | /* Check for additional signaled events */ |
| 4135 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
| 4136 | |
| 4137 | /* Check if event is signaled */ |
| 4138 | ret2 = WaitForSingleObject(w->events[i], 0); |
| 4139 | if(ret2 == WAIT_OBJECT_0) { |
| 4140 | if (w->func[i]) |
| 4141 | w->func[i](w->opaque[i]); |
| 4142 | } else if (ret2 == WAIT_TIMEOUT) { |
| 4143 | } else { |
| 4144 | err = GetLastError(); |
| 4145 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); |
| 4146 | } |
| 4147 | } |
| 4148 | } else if (ret == WAIT_TIMEOUT) { |
| 4149 | } else { |
| 4150 | err = GetLastError(); |
| 4151 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
| 4152 | } |
| 4153 | } |
| 4154 | |
| 4155 | *timeout = 0; |
| 4156 | } |
| 4157 | #else |
| 4158 | static void host_main_loop_wait(int *timeout) |
| 4159 | { |
| 4160 | } |
| 4161 | #endif |
| 4162 | |
| 4163 | void main_loop_wait(int timeout) |
| 4164 | { |
| 4165 | IOHandlerRecord *ioh; |
| 4166 | fd_set rfds, wfds, xfds; |
| 4167 | int ret, nfds; |
| 4168 | struct timeval tv; |
| 4169 | |
| 4170 | qemu_bh_update_timeout(&timeout); |
| 4171 | |
| 4172 | host_main_loop_wait(&timeout); |
| 4173 | |
| 4174 | /* poll any events */ |
| 4175 | /* XXX: separate device handlers from system ones */ |
| 4176 | nfds = -1; |
| 4177 | FD_ZERO(&rfds); |
| 4178 | FD_ZERO(&wfds); |
| 4179 | FD_ZERO(&xfds); |
| 4180 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 4181 | if (ioh->deleted) |
| 4182 | continue; |
| 4183 | if (ioh->fd_read && |
| 4184 | (!ioh->fd_read_poll || |
| 4185 | ioh->fd_read_poll(ioh->opaque) != 0)) { |
| 4186 | FD_SET(ioh->fd, &rfds); |
| 4187 | if (ioh->fd > nfds) |
| 4188 | nfds = ioh->fd; |
| 4189 | } |
| 4190 | if (ioh->fd_write) { |
| 4191 | FD_SET(ioh->fd, &wfds); |
| 4192 | if (ioh->fd > nfds) |
| 4193 | nfds = ioh->fd; |
| 4194 | } |
| 4195 | } |
| 4196 | |
| 4197 | tv.tv_sec = timeout / 1000; |
| 4198 | tv.tv_usec = (timeout % 1000) * 1000; |
| 4199 | |
| 4200 | #if defined(CONFIG_SLIRP) |
| 4201 | if (slirp_is_inited()) { |
| 4202 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
| 4203 | } |
| 4204 | #endif |
| 4205 | qemu_mutex_unlock_iothread(); |
| 4206 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
| 4207 | qemu_mutex_lock_iothread(); |
| 4208 | if (ret > 0) { |
| 4209 | IOHandlerRecord **pioh; |
| 4210 | |
| 4211 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 4212 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
| 4213 | ioh->fd_read(ioh->opaque); |
| 4214 | } |
| 4215 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
| 4216 | ioh->fd_write(ioh->opaque); |
| 4217 | } |
| 4218 | } |
| 4219 | |
| 4220 | /* remove deleted IO handlers */ |
| 4221 | pioh = &first_io_handler; |
| 4222 | while (*pioh) { |
| 4223 | ioh = *pioh; |
| 4224 | if (ioh->deleted) { |
| 4225 | *pioh = ioh->next; |
| 4226 | qemu_free(ioh); |
| 4227 | } else |
| 4228 | pioh = &ioh->next; |
| 4229 | } |
| 4230 | } |
| 4231 | #if defined(CONFIG_SLIRP) |
| 4232 | if (slirp_is_inited()) { |
| 4233 | if (ret < 0) { |
| 4234 | FD_ZERO(&rfds); |
| 4235 | FD_ZERO(&wfds); |
| 4236 | FD_ZERO(&xfds); |
| 4237 | } |
| 4238 | slirp_select_poll(&rfds, &wfds, &xfds); |
| 4239 | } |
| 4240 | #endif |
| 4241 | charpipe_poll(); |
| 4242 | |
| 4243 | /* rearm timer, if not periodic */ |
| 4244 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { |
| 4245 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; |
| 4246 | qemu_rearm_alarm_timer(alarm_timer); |
| 4247 | } |
| 4248 | |
| 4249 | /* vm time timers */ |
| 4250 | if (vm_running) { |
| 4251 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4252 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4253 | qemu_get_clock(vm_clock)); |
| 4254 | } |
| 4255 | |
| 4256 | /* real time timers */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4257 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4258 | qemu_get_clock(rt_clock)); |
| 4259 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4260 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
| 4261 | qemu_get_clock(host_clock)); |
| 4262 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4263 | /* Check bottom-halves last in case any of the earlier events triggered |
| 4264 | them. */ |
| 4265 | qemu_bh_poll(); |
| 4266 | |
| 4267 | } |
| 4268 | |
| 4269 | static int qemu_cpu_exec(CPUState *env) |
| 4270 | { |
| 4271 | int ret; |
| 4272 | #ifdef CONFIG_PROFILER |
| 4273 | int64_t ti; |
| 4274 | #endif |
| 4275 | |
| 4276 | #ifdef CONFIG_PROFILER |
| 4277 | ti = profile_getclock(); |
| 4278 | #endif |
| 4279 | if (use_icount) { |
| 4280 | int64_t count; |
| 4281 | int decr; |
| 4282 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 4283 | env->icount_decr.u16.low = 0; |
| 4284 | env->icount_extra = 0; |
| 4285 | count = qemu_next_deadline(); |
| 4286 | count = (count + (1 << icount_time_shift) - 1) |
| 4287 | >> icount_time_shift; |
| 4288 | qemu_icount += count; |
| 4289 | decr = (count > 0xffff) ? 0xffff : count; |
| 4290 | count -= decr; |
| 4291 | env->icount_decr.u16.low = decr; |
| 4292 | env->icount_extra = count; |
| 4293 | } |
David 'Digit' Turner | a577fca | 2009-10-15 18:18:09 -0700 | [diff] [blame] | 4294 | #ifdef CONFIG_TRACE |
| 4295 | if (tbflush_requested) { |
| 4296 | tbflush_requested = 0; |
| 4297 | tb_flush(env); |
| 4298 | return EXCP_INTERRUPT; |
| 4299 | } |
| 4300 | #endif |
| 4301 | |
| 4302 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4303 | ret = cpu_exec(env); |
| 4304 | #ifdef CONFIG_PROFILER |
| 4305 | qemu_time += profile_getclock() - ti; |
| 4306 | #endif |
| 4307 | if (use_icount) { |
| 4308 | /* Fold pending instructions back into the |
| 4309 | instruction counter, and clear the interrupt flag. */ |
| 4310 | qemu_icount -= (env->icount_decr.u16.low |
| 4311 | + env->icount_extra); |
| 4312 | env->icount_decr.u32 = 0; |
| 4313 | env->icount_extra = 0; |
| 4314 | } |
| 4315 | return ret; |
| 4316 | } |
| 4317 | |
| 4318 | static void tcg_cpu_exec(void) |
| 4319 | { |
| 4320 | int ret = 0; |
| 4321 | |
| 4322 | if (next_cpu == NULL) |
| 4323 | next_cpu = first_cpu; |
| 4324 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { |
| 4325 | CPUState *env = cur_cpu = next_cpu; |
| 4326 | |
| 4327 | if (!vm_running) |
| 4328 | break; |
| 4329 | if (timer_alarm_pending) { |
| 4330 | timer_alarm_pending = 0; |
| 4331 | break; |
| 4332 | } |
| 4333 | if (cpu_can_run(env)) |
| 4334 | ret = qemu_cpu_exec(env); |
| 4335 | if (ret == EXCP_DEBUG) { |
| 4336 | gdb_set_stop_cpu(env); |
| 4337 | debug_requested = 1; |
| 4338 | break; |
| 4339 | } |
| 4340 | } |
| 4341 | } |
| 4342 | |
| 4343 | static int cpu_has_work(CPUState *env) |
| 4344 | { |
| 4345 | if (env->stop) |
| 4346 | return 1; |
| 4347 | if (env->stopped) |
| 4348 | return 0; |
| 4349 | if (!env->halted) |
| 4350 | return 1; |
| 4351 | if (qemu_cpu_has_work(env)) |
| 4352 | return 1; |
| 4353 | return 0; |
| 4354 | } |
| 4355 | |
| 4356 | static int tcg_has_work(void) |
| 4357 | { |
| 4358 | CPUState *env; |
| 4359 | |
| 4360 | for (env = first_cpu; env != NULL; env = env->next_cpu) |
| 4361 | if (cpu_has_work(env)) |
| 4362 | return 1; |
| 4363 | return 0; |
| 4364 | } |
| 4365 | |
| 4366 | static int qemu_calculate_timeout(void) |
| 4367 | { |
| 4368 | #ifndef CONFIG_IOTHREAD |
| 4369 | int timeout; |
| 4370 | |
| 4371 | if (!vm_running) |
| 4372 | timeout = 5000; |
| 4373 | else if (tcg_has_work()) |
| 4374 | timeout = 0; |
| 4375 | else if (!use_icount) |
| 4376 | timeout = 5000; |
| 4377 | else { |
| 4378 | /* XXX: use timeout computed from timers */ |
| 4379 | int64_t add; |
| 4380 | int64_t delta; |
| 4381 | /* Advance virtual time to the next event. */ |
| 4382 | if (use_icount == 1) { |
| 4383 | /* When not using an adaptive execution frequency |
| 4384 | we tend to get badly out of sync with real time, |
| 4385 | so just delay for a reasonable amount of time. */ |
| 4386 | delta = 0; |
| 4387 | } else { |
| 4388 | delta = cpu_get_icount() - cpu_get_clock(); |
| 4389 | } |
| 4390 | if (delta > 0) { |
| 4391 | /* If virtual time is ahead of real time then just |
| 4392 | wait for IO. */ |
| 4393 | timeout = (delta / 1000000) + 1; |
| 4394 | } else { |
| 4395 | /* Wait for either IO to occur or the next |
| 4396 | timer event. */ |
| 4397 | add = qemu_next_deadline(); |
| 4398 | /* We advance the timer before checking for IO. |
| 4399 | Limit the amount we advance so that early IO |
| 4400 | activity won't get the guest too far ahead. */ |
| 4401 | if (add > 10000000) |
| 4402 | add = 10000000; |
| 4403 | delta += add; |
| 4404 | add = (add + (1 << icount_time_shift) - 1) |
| 4405 | >> icount_time_shift; |
| 4406 | qemu_icount += add; |
| 4407 | timeout = delta / 1000000; |
| 4408 | if (timeout < 0) |
| 4409 | timeout = 0; |
| 4410 | } |
| 4411 | } |
| 4412 | |
| 4413 | return timeout; |
| 4414 | #else /* CONFIG_IOTHREAD */ |
| 4415 | return 1000; |
| 4416 | #endif |
| 4417 | } |
| 4418 | |
| 4419 | static int vm_can_run(void) |
| 4420 | { |
| 4421 | if (powerdown_requested) |
| 4422 | return 0; |
| 4423 | if (reset_requested) |
| 4424 | return 0; |
| 4425 | if (shutdown_requested) |
| 4426 | return 0; |
| 4427 | if (debug_requested) |
| 4428 | return 0; |
| 4429 | return 1; |
| 4430 | } |
| 4431 | |
| 4432 | static void main_loop(void) |
| 4433 | { |
| 4434 | int r; |
| 4435 | |
| 4436 | #ifdef CONFIG_IOTHREAD |
| 4437 | qemu_system_ready = 1; |
| 4438 | qemu_cond_broadcast(&qemu_system_cond); |
| 4439 | #endif |
| 4440 | |
| 4441 | for (;;) { |
| 4442 | do { |
| 4443 | #ifdef CONFIG_PROFILER |
| 4444 | int64_t ti; |
| 4445 | #endif |
| 4446 | #ifndef CONFIG_IOTHREAD |
| 4447 | tcg_cpu_exec(); |
| 4448 | #endif |
| 4449 | #ifdef CONFIG_PROFILER |
| 4450 | ti = profile_getclock(); |
| 4451 | #endif |
| 4452 | main_loop_wait(qemu_calculate_timeout()); |
| 4453 | #ifdef CONFIG_PROFILER |
| 4454 | dev_time += profile_getclock() - ti; |
| 4455 | #endif |
| 4456 | } while (vm_can_run()); |
| 4457 | |
| 4458 | if (qemu_debug_requested()) |
| 4459 | vm_stop(EXCP_DEBUG); |
| 4460 | if (qemu_shutdown_requested()) { |
| 4461 | if (no_shutdown) { |
| 4462 | vm_stop(0); |
| 4463 | no_shutdown = 0; |
| 4464 | } else |
| 4465 | break; |
| 4466 | } |
| 4467 | if (qemu_reset_requested()) { |
| 4468 | pause_all_vcpus(); |
| 4469 | qemu_system_reset(); |
| 4470 | resume_all_vcpus(); |
| 4471 | } |
| 4472 | if (qemu_powerdown_requested()) |
| 4473 | qemu_system_powerdown(); |
| 4474 | if ((r = qemu_vmstop_requested())) |
| 4475 | vm_stop(r); |
| 4476 | } |
| 4477 | pause_all_vcpus(); |
| 4478 | } |
| 4479 | |
| 4480 | static void version(void) |
| 4481 | { |
| 4482 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
| 4483 | } |
| 4484 | |
| 4485 | void qemu_help(int exitcode) |
| 4486 | { |
| 4487 | version(); |
| 4488 | printf("usage: %s [options] [disk_image]\n" |
| 4489 | "\n" |
| 4490 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
| 4491 | "\n" |
| 4492 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
| 4493 | opt_help |
| 4494 | #define DEFHEADING(text) stringify(text) "\n" |
| 4495 | #include "qemu-options.h" |
| 4496 | #undef DEF |
| 4497 | #undef DEFHEADING |
| 4498 | #undef GEN_DOCS |
| 4499 | "\n" |
| 4500 | "During emulation, the following keys are useful:\n" |
| 4501 | "ctrl-alt-f toggle full screen\n" |
| 4502 | "ctrl-alt-n switch to virtual console 'n'\n" |
| 4503 | "ctrl-alt toggle mouse and keyboard grab\n" |
| 4504 | "\n" |
| 4505 | "When using -nographic, press 'ctrl-a h' to get some help.\n" |
| 4506 | , |
| 4507 | "qemu", |
| 4508 | DEFAULT_RAM_SIZE, |
| 4509 | #ifndef _WIN32 |
| 4510 | DEFAULT_NETWORK_SCRIPT, |
| 4511 | DEFAULT_NETWORK_DOWN_SCRIPT, |
| 4512 | #endif |
| 4513 | DEFAULT_GDBSTUB_PORT, |
| 4514 | "/tmp/qemu.log"); |
| 4515 | exit(exitcode); |
| 4516 | } |
| 4517 | |
| 4518 | #define HAS_ARG 0x0001 |
| 4519 | |
| 4520 | enum { |
| 4521 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
| 4522 | opt_enum, |
| 4523 | #define DEFHEADING(text) |
| 4524 | #include "qemu-options.h" |
| 4525 | #undef DEF |
| 4526 | #undef DEFHEADING |
| 4527 | #undef GEN_DOCS |
| 4528 | }; |
| 4529 | |
| 4530 | typedef struct QEMUOption { |
| 4531 | const char *name; |
| 4532 | int flags; |
| 4533 | int index; |
| 4534 | } QEMUOption; |
| 4535 | |
| 4536 | static const QEMUOption qemu_options[] = { |
| 4537 | { "h", 0, QEMU_OPTION_h }, |
| 4538 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
| 4539 | { option, opt_arg, opt_enum }, |
| 4540 | #define DEFHEADING(text) |
| 4541 | #include "qemu-options.h" |
| 4542 | #undef DEF |
| 4543 | #undef DEFHEADING |
| 4544 | #undef GEN_DOCS |
| 4545 | { NULL, 0, 0 }, |
| 4546 | }; |
| 4547 | |
| 4548 | #ifdef HAS_AUDIO |
| 4549 | struct soundhw soundhw[] = { |
| 4550 | #ifdef HAS_AUDIO_CHOICE |
| 4551 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
| 4552 | { |
| 4553 | "pcspk", |
| 4554 | "PC speaker", |
| 4555 | 0, |
| 4556 | 1, |
| 4557 | { .init_isa = pcspk_audio_init } |
| 4558 | }, |
| 4559 | #endif |
| 4560 | |
| 4561 | #ifdef CONFIG_SB16 |
| 4562 | { |
| 4563 | "sb16", |
| 4564 | "Creative Sound Blaster 16", |
| 4565 | 0, |
| 4566 | 1, |
| 4567 | { .init_isa = SB16_init } |
| 4568 | }, |
| 4569 | #endif |
| 4570 | |
| 4571 | #ifdef CONFIG_CS4231A |
| 4572 | { |
| 4573 | "cs4231a", |
| 4574 | "CS4231A", |
| 4575 | 0, |
| 4576 | 1, |
| 4577 | { .init_isa = cs4231a_init } |
| 4578 | }, |
| 4579 | #endif |
| 4580 | |
| 4581 | #ifdef CONFIG_ADLIB |
| 4582 | { |
| 4583 | "adlib", |
| 4584 | #ifdef HAS_YMF262 |
| 4585 | "Yamaha YMF262 (OPL3)", |
| 4586 | #else |
| 4587 | "Yamaha YM3812 (OPL2)", |
| 4588 | #endif |
| 4589 | 0, |
| 4590 | 1, |
| 4591 | { .init_isa = Adlib_init } |
| 4592 | }, |
| 4593 | #endif |
| 4594 | |
| 4595 | #ifdef CONFIG_GUS |
| 4596 | { |
| 4597 | "gus", |
| 4598 | "Gravis Ultrasound GF1", |
| 4599 | 0, |
| 4600 | 1, |
| 4601 | { .init_isa = GUS_init } |
| 4602 | }, |
| 4603 | #endif |
| 4604 | |
| 4605 | #ifdef CONFIG_AC97 |
| 4606 | { |
| 4607 | "ac97", |
| 4608 | "Intel 82801AA AC97 Audio", |
| 4609 | 0, |
| 4610 | 0, |
| 4611 | { .init_pci = ac97_init } |
| 4612 | }, |
| 4613 | #endif |
| 4614 | |
| 4615 | #ifdef CONFIG_ES1370 |
| 4616 | { |
| 4617 | "es1370", |
| 4618 | "ENSONIQ AudioPCI ES1370", |
| 4619 | 0, |
| 4620 | 0, |
| 4621 | { .init_pci = es1370_init } |
| 4622 | }, |
| 4623 | #endif |
| 4624 | |
| 4625 | #endif /* HAS_AUDIO_CHOICE */ |
| 4626 | |
| 4627 | { NULL, NULL, 0, 0, { NULL } } |
| 4628 | }; |
| 4629 | |
| 4630 | static void select_soundhw (const char *optarg) |
| 4631 | { |
| 4632 | struct soundhw *c; |
| 4633 | |
| 4634 | if (*optarg == '?') { |
| 4635 | show_valid_cards: |
| 4636 | |
| 4637 | printf ("Valid sound card names (comma separated):\n"); |
| 4638 | for (c = soundhw; c->name; ++c) { |
| 4639 | printf ("%-11s %s\n", c->name, c->descr); |
| 4640 | } |
| 4641 | printf ("\n-soundhw all will enable all of the above\n"); |
| 4642 | exit (*optarg != '?'); |
| 4643 | } |
| 4644 | else { |
| 4645 | size_t l; |
| 4646 | const char *p; |
| 4647 | char *e; |
| 4648 | int bad_card = 0; |
| 4649 | |
| 4650 | if (!strcmp (optarg, "all")) { |
| 4651 | for (c = soundhw; c->name; ++c) { |
| 4652 | c->enabled = 1; |
| 4653 | } |
| 4654 | return; |
| 4655 | } |
| 4656 | |
| 4657 | p = optarg; |
| 4658 | while (*p) { |
| 4659 | e = strchr (p, ','); |
| 4660 | l = !e ? strlen (p) : (size_t) (e - p); |
| 4661 | |
| 4662 | for (c = soundhw; c->name; ++c) { |
| 4663 | if (!strncmp (c->name, p, l)) { |
| 4664 | c->enabled = 1; |
| 4665 | break; |
| 4666 | } |
| 4667 | } |
| 4668 | |
| 4669 | if (!c->name) { |
| 4670 | if (l > 80) { |
| 4671 | fprintf (stderr, |
| 4672 | "Unknown sound card name (too big to show)\n"); |
| 4673 | } |
| 4674 | else { |
| 4675 | fprintf (stderr, "Unknown sound card name `%.*s'\n", |
| 4676 | (int) l, p); |
| 4677 | } |
| 4678 | bad_card = 1; |
| 4679 | } |
| 4680 | p += l + (e != NULL); |
| 4681 | } |
| 4682 | |
| 4683 | if (bad_card) |
| 4684 | goto show_valid_cards; |
| 4685 | } |
| 4686 | } |
| 4687 | #endif |
| 4688 | |
| 4689 | static void select_vgahw (const char *p) |
| 4690 | { |
| 4691 | const char *opts; |
| 4692 | |
| 4693 | cirrus_vga_enabled = 0; |
| 4694 | std_vga_enabled = 0; |
| 4695 | vmsvga_enabled = 0; |
| 4696 | xenfb_enabled = 0; |
| 4697 | if (strstart(p, "std", &opts)) { |
| 4698 | std_vga_enabled = 1; |
| 4699 | } else if (strstart(p, "cirrus", &opts)) { |
| 4700 | cirrus_vga_enabled = 1; |
| 4701 | } else if (strstart(p, "vmware", &opts)) { |
| 4702 | vmsvga_enabled = 1; |
| 4703 | } else if (strstart(p, "xenfb", &opts)) { |
| 4704 | xenfb_enabled = 1; |
| 4705 | } else if (!strstart(p, "none", &opts)) { |
| 4706 | invalid_vga: |
| 4707 | fprintf(stderr, "Unknown vga type: %s\n", p); |
| 4708 | exit(1); |
| 4709 | } |
| 4710 | while (*opts) { |
| 4711 | const char *nextopt; |
| 4712 | |
| 4713 | if (strstart(opts, ",retrace=", &nextopt)) { |
| 4714 | opts = nextopt; |
| 4715 | if (strstart(opts, "dumb", &nextopt)) |
| 4716 | vga_retrace_method = VGA_RETRACE_DUMB; |
| 4717 | else if (strstart(opts, "precise", &nextopt)) |
| 4718 | vga_retrace_method = VGA_RETRACE_PRECISE; |
| 4719 | else goto invalid_vga; |
| 4720 | } else goto invalid_vga; |
| 4721 | opts = nextopt; |
| 4722 | } |
| 4723 | } |
| 4724 | |
| 4725 | #ifdef _WIN32 |
| 4726 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) |
| 4727 | { |
| 4728 | exit(STATUS_CONTROL_C_EXIT); |
| 4729 | return TRUE; |
| 4730 | } |
| 4731 | #endif |
| 4732 | |
| 4733 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
| 4734 | { |
| 4735 | int ret; |
| 4736 | |
| 4737 | if(strlen(str) != 36) |
| 4738 | return -1; |
| 4739 | |
| 4740 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
| 4741 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
| 4742 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
| 4743 | |
| 4744 | if(ret != 16) |
| 4745 | return -1; |
| 4746 | |
| 4747 | #ifdef TARGET_I386 |
| 4748 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
| 4749 | #endif |
| 4750 | |
| 4751 | return 0; |
| 4752 | } |
| 4753 | |
| 4754 | #define MAX_NET_CLIENTS 32 |
| 4755 | |
| 4756 | #ifndef _WIN32 |
| 4757 | |
| 4758 | static void termsig_handler(int signal) |
| 4759 | { |
| 4760 | qemu_system_shutdown_request(); |
| 4761 | } |
| 4762 | |
| 4763 | static void sigchld_handler(int signal) |
| 4764 | { |
| 4765 | waitpid(-1, NULL, WNOHANG); |
| 4766 | } |
| 4767 | |
| 4768 | static void sighandler_setup(void) |
| 4769 | { |
| 4770 | struct sigaction act; |
| 4771 | |
| 4772 | memset(&act, 0, sizeof(act)); |
| 4773 | act.sa_handler = termsig_handler; |
| 4774 | sigaction(SIGINT, &act, NULL); |
| 4775 | sigaction(SIGHUP, &act, NULL); |
| 4776 | sigaction(SIGTERM, &act, NULL); |
| 4777 | |
| 4778 | act.sa_handler = sigchld_handler; |
| 4779 | act.sa_flags = SA_NOCLDSTOP; |
| 4780 | sigaction(SIGCHLD, &act, NULL); |
| 4781 | } |
| 4782 | |
| 4783 | #endif |
| 4784 | |
| 4785 | #ifdef _WIN32 |
| 4786 | /* Look for support files in the same directory as the executable. */ |
| 4787 | static char *find_datadir(const char *argv0) |
| 4788 | { |
| 4789 | char *p; |
| 4790 | char buf[MAX_PATH]; |
| 4791 | DWORD len; |
| 4792 | |
| 4793 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
| 4794 | if (len == 0) { |
| 4795 | return NULL; |
| 4796 | } |
| 4797 | |
| 4798 | buf[len] = 0; |
| 4799 | p = buf + len - 1; |
| 4800 | while (p != buf && *p != '\\') |
| 4801 | p--; |
| 4802 | *p = 0; |
| 4803 | if (access(buf, R_OK) == 0) { |
| 4804 | return qemu_strdup(buf); |
| 4805 | } |
| 4806 | return NULL; |
| 4807 | } |
| 4808 | #else /* !_WIN32 */ |
| 4809 | |
| 4810 | /* Find a likely location for support files using the location of the binary. |
| 4811 | For installed binaries this will be "$bindir/../share/qemu". When |
| 4812 | running from the build tree this will be "$bindir/../pc-bios". */ |
| 4813 | #define SHARE_SUFFIX "/share/qemu" |
| 4814 | #define BUILD_SUFFIX "/pc-bios" |
| 4815 | static char *find_datadir(const char *argv0) |
| 4816 | { |
| 4817 | char *dir; |
| 4818 | char *p = NULL; |
| 4819 | char *res; |
| 4820 | #ifdef PATH_MAX |
| 4821 | char buf[PATH_MAX]; |
| 4822 | #endif |
| 4823 | size_t max_len; |
| 4824 | |
| 4825 | #if defined(__linux__) |
| 4826 | { |
| 4827 | int len; |
| 4828 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); |
| 4829 | if (len > 0) { |
| 4830 | buf[len] = 0; |
| 4831 | p = buf; |
| 4832 | } |
| 4833 | } |
| 4834 | #elif defined(__FreeBSD__) |
| 4835 | { |
| 4836 | int len; |
| 4837 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); |
| 4838 | if (len > 0) { |
| 4839 | buf[len] = 0; |
| 4840 | p = buf; |
| 4841 | } |
| 4842 | } |
| 4843 | #endif |
| 4844 | /* If we don't have any way of figuring out the actual executable |
| 4845 | location then try argv[0]. */ |
| 4846 | if (!p) { |
| 4847 | #ifdef PATH_MAX |
| 4848 | p = buf; |
| 4849 | #endif |
| 4850 | p = realpath(argv0, p); |
| 4851 | if (!p) { |
| 4852 | return NULL; |
| 4853 | } |
| 4854 | } |
| 4855 | dir = dirname(p); |
| 4856 | dir = dirname(dir); |
| 4857 | |
| 4858 | max_len = strlen(dir) + |
| 4859 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; |
| 4860 | res = qemu_mallocz(max_len); |
| 4861 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); |
| 4862 | if (access(res, R_OK)) { |
| 4863 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
| 4864 | if (access(res, R_OK)) { |
| 4865 | qemu_free(res); |
| 4866 | res = NULL; |
| 4867 | } |
| 4868 | } |
| 4869 | #ifndef PATH_MAX |
| 4870 | free(p); |
| 4871 | #endif |
| 4872 | return res; |
| 4873 | } |
| 4874 | #undef SHARE_SUFFIX |
| 4875 | #undef BUILD_SUFFIX |
| 4876 | #endif |
| 4877 | |
| 4878 | char *qemu_find_file(int type, const char *name) |
| 4879 | { |
| 4880 | int len; |
| 4881 | const char *subdir; |
| 4882 | char *buf; |
| 4883 | |
| 4884 | /* If name contains path separators then try it as a straight path. */ |
| 4885 | if ((strchr(name, '/') || strchr(name, '\\')) |
| 4886 | && access(name, R_OK) == 0) { |
| 4887 | return strdup(name); |
| 4888 | } |
| 4889 | switch (type) { |
| 4890 | case QEMU_FILE_TYPE_BIOS: |
| 4891 | subdir = ""; |
| 4892 | break; |
| 4893 | case QEMU_FILE_TYPE_KEYMAP: |
| 4894 | subdir = "keymaps/"; |
| 4895 | break; |
| 4896 | default: |
| 4897 | abort(); |
| 4898 | } |
| 4899 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; |
| 4900 | buf = qemu_mallocz(len); |
| 4901 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
| 4902 | if (access(buf, R_OK)) { |
| 4903 | qemu_free(buf); |
| 4904 | return NULL; |
| 4905 | } |
| 4906 | return buf; |
| 4907 | } |
| 4908 | |
| 4909 | int main(int argc, char **argv, char **envp) |
| 4910 | { |
| 4911 | const char *gdbstub_dev = NULL; |
| 4912 | uint32_t boot_devices_bitmap = 0; |
| 4913 | int i; |
| 4914 | int snapshot, linux_boot, net_boot; |
| 4915 | const char *initrd_filename; |
| 4916 | const char *kernel_filename, *kernel_cmdline; |
| 4917 | const char *boot_devices = ""; |
| 4918 | DisplayState *ds; |
| 4919 | DisplayChangeListener *dcl; |
| 4920 | int cyls, heads, secs, translation; |
| 4921 | const char *net_clients[MAX_NET_CLIENTS]; |
| 4922 | int nb_net_clients; |
| 4923 | const char *bt_opts[MAX_BT_CMDLINE]; |
| 4924 | int nb_bt_opts; |
| 4925 | int hda_index; |
| 4926 | int optind; |
| 4927 | const char *r, *optarg; |
| 4928 | CharDriverState *monitor_hd = NULL; |
| 4929 | const char *monitor_device; |
| 4930 | const char *serial_devices[MAX_SERIAL_PORTS]; |
| 4931 | int serial_device_index; |
| 4932 | const char *parallel_devices[MAX_PARALLEL_PORTS]; |
| 4933 | int parallel_device_index; |
| 4934 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
| 4935 | int virtio_console_index; |
| 4936 | const char *loadvm = NULL; |
| 4937 | QEMUMachine *machine; |
| 4938 | const char *cpu_model; |
| 4939 | const char *usb_devices[MAX_USB_CMDLINE]; |
| 4940 | int usb_devices_index; |
| 4941 | #ifndef _WIN32 |
| 4942 | int fds[2]; |
| 4943 | #endif |
| 4944 | int tb_size; |
| 4945 | const char *pid_file = NULL; |
| 4946 | const char *incoming = NULL; |
| 4947 | #ifndef _WIN32 |
| 4948 | int fd = 0; |
| 4949 | struct passwd *pwd = NULL; |
| 4950 | const char *chroot_dir = NULL; |
| 4951 | const char *run_as = NULL; |
| 4952 | #endif |
| 4953 | CPUState *env; |
| 4954 | int show_vnc_port = 0; |
| 4955 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4956 | init_clocks(); |
| 4957 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4958 | qemu_cache_utils_init(envp); |
| 4959 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 4960 | QLIST_INIT (&vm_change_state_head); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4961 | #ifndef _WIN32 |
| 4962 | { |
| 4963 | struct sigaction act; |
| 4964 | sigfillset(&act.sa_mask); |
| 4965 | act.sa_flags = 0; |
| 4966 | act.sa_handler = SIG_IGN; |
| 4967 | sigaction(SIGPIPE, &act, NULL); |
| 4968 | } |
| 4969 | #else |
| 4970 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
| 4971 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
| 4972 | QEMU to run on a single CPU */ |
| 4973 | { |
| 4974 | HANDLE h; |
| 4975 | DWORD mask, smask; |
| 4976 | int i; |
| 4977 | h = GetCurrentProcess(); |
| 4978 | if (GetProcessAffinityMask(h, &mask, &smask)) { |
| 4979 | for(i = 0; i < 32; i++) { |
| 4980 | if (mask & (1 << i)) |
| 4981 | break; |
| 4982 | } |
| 4983 | if (i != 32) { |
| 4984 | mask = 1 << i; |
| 4985 | SetProcessAffinityMask(h, mask); |
| 4986 | } |
| 4987 | } |
| 4988 | } |
| 4989 | #endif |
| 4990 | |
| 4991 | module_call_init(MODULE_INIT_MACHINE); |
| 4992 | machine = find_default_machine(); |
| 4993 | cpu_model = NULL; |
| 4994 | initrd_filename = NULL; |
| 4995 | ram_size = 0; |
| 4996 | snapshot = 0; |
| 4997 | kernel_filename = NULL; |
| 4998 | kernel_cmdline = ""; |
| 4999 | cyls = heads = secs = 0; |
| 5000 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5001 | monitor_device = "vc:80Cx24C"; |
| 5002 | |
| 5003 | serial_devices[0] = "vc:80Cx24C"; |
| 5004 | for(i = 1; i < MAX_SERIAL_PORTS; i++) |
| 5005 | serial_devices[i] = NULL; |
| 5006 | serial_device_index = 0; |
| 5007 | |
| 5008 | parallel_devices[0] = "vc:80Cx24C"; |
| 5009 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
| 5010 | parallel_devices[i] = NULL; |
| 5011 | parallel_device_index = 0; |
| 5012 | |
| 5013 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
| 5014 | virtio_consoles[i] = NULL; |
| 5015 | virtio_console_index = 0; |
| 5016 | |
| 5017 | for (i = 0; i < MAX_NODES; i++) { |
| 5018 | node_mem[i] = 0; |
| 5019 | node_cpumask[i] = 0; |
| 5020 | } |
| 5021 | |
| 5022 | usb_devices_index = 0; |
| 5023 | |
| 5024 | nb_net_clients = 0; |
| 5025 | nb_bt_opts = 0; |
| 5026 | nb_drives = 0; |
| 5027 | nb_drives_opt = 0; |
| 5028 | nb_numa_nodes = 0; |
| 5029 | hda_index = -1; |
| 5030 | |
| 5031 | nb_nics = 0; |
| 5032 | |
| 5033 | tb_size = 0; |
| 5034 | autostart= 1; |
| 5035 | |
| 5036 | register_watchdogs(); |
| 5037 | |
| 5038 | optind = 1; |
| 5039 | for(;;) { |
| 5040 | if (optind >= argc) |
| 5041 | break; |
| 5042 | r = argv[optind]; |
| 5043 | if (r[0] != '-') { |
| 5044 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); |
| 5045 | } else { |
| 5046 | const QEMUOption *popt; |
| 5047 | |
| 5048 | optind++; |
| 5049 | /* Treat --foo the same as -foo. */ |
| 5050 | if (r[1] == '-') |
| 5051 | r++; |
| 5052 | popt = qemu_options; |
| 5053 | for(;;) { |
| 5054 | if (!popt->name) { |
| 5055 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
| 5056 | argv[0], r); |
| 5057 | exit(1); |
| 5058 | } |
| 5059 | if (!strcmp(popt->name, r + 1)) |
| 5060 | break; |
| 5061 | popt++; |
| 5062 | } |
| 5063 | if (popt->flags & HAS_ARG) { |
| 5064 | if (optind >= argc) { |
| 5065 | fprintf(stderr, "%s: option '%s' requires an argument\n", |
| 5066 | argv[0], r); |
| 5067 | exit(1); |
| 5068 | } |
| 5069 | optarg = argv[optind++]; |
| 5070 | } else { |
| 5071 | optarg = NULL; |
| 5072 | } |
| 5073 | |
| 5074 | switch(popt->index) { |
| 5075 | case QEMU_OPTION_M: |
| 5076 | machine = find_machine(optarg); |
| 5077 | if (!machine) { |
| 5078 | QEMUMachine *m; |
| 5079 | printf("Supported machines are:\n"); |
| 5080 | for(m = first_machine; m != NULL; m = m->next) { |
| 5081 | printf("%-10s %s%s\n", |
| 5082 | m->name, m->desc, |
| 5083 | m->is_default ? " (default)" : ""); |
| 5084 | } |
| 5085 | exit(*optarg != '?'); |
| 5086 | } |
| 5087 | break; |
| 5088 | case QEMU_OPTION_cpu: |
| 5089 | /* hw initialization will check this */ |
| 5090 | if (*optarg == '?') { |
| 5091 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
| 5092 | #if defined(cpu_list) |
| 5093 | cpu_list(stdout, &fprintf); |
| 5094 | #endif |
| 5095 | exit(0); |
| 5096 | } else { |
| 5097 | cpu_model = optarg; |
| 5098 | } |
| 5099 | break; |
| 5100 | case QEMU_OPTION_initrd: |
| 5101 | initrd_filename = optarg; |
| 5102 | break; |
| 5103 | case QEMU_OPTION_hda: |
| 5104 | if (cyls == 0) |
| 5105 | hda_index = drive_add(optarg, HD_ALIAS, 0); |
| 5106 | else |
| 5107 | hda_index = drive_add(optarg, HD_ALIAS |
| 5108 | ",cyls=%d,heads=%d,secs=%d%s", |
| 5109 | 0, cyls, heads, secs, |
| 5110 | translation == BIOS_ATA_TRANSLATION_LBA ? |
| 5111 | ",trans=lba" : |
| 5112 | translation == BIOS_ATA_TRANSLATION_NONE ? |
| 5113 | ",trans=none" : ""); |
| 5114 | break; |
| 5115 | case QEMU_OPTION_hdb: |
| 5116 | case QEMU_OPTION_hdc: |
| 5117 | case QEMU_OPTION_hdd: |
| 5118 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
| 5119 | break; |
| 5120 | case QEMU_OPTION_drive: |
| 5121 | drive_add(NULL, "%s", optarg); |
| 5122 | break; |
| 5123 | case QEMU_OPTION_mtdblock: |
| 5124 | drive_add(optarg, MTD_ALIAS); |
| 5125 | break; |
| 5126 | case QEMU_OPTION_sd: |
| 5127 | drive_add(optarg, SD_ALIAS); |
| 5128 | break; |
| 5129 | case QEMU_OPTION_pflash: |
| 5130 | drive_add(optarg, PFLASH_ALIAS); |
| 5131 | break; |
| 5132 | case QEMU_OPTION_snapshot: |
| 5133 | snapshot = 1; |
| 5134 | break; |
| 5135 | case QEMU_OPTION_hdachs: |
| 5136 | { |
| 5137 | const char *p; |
| 5138 | p = optarg; |
| 5139 | cyls = strtol(p, (char **)&p, 0); |
| 5140 | if (cyls < 1 || cyls > 16383) |
| 5141 | goto chs_fail; |
| 5142 | if (*p != ',') |
| 5143 | goto chs_fail; |
| 5144 | p++; |
| 5145 | heads = strtol(p, (char **)&p, 0); |
| 5146 | if (heads < 1 || heads > 16) |
| 5147 | goto chs_fail; |
| 5148 | if (*p != ',') |
| 5149 | goto chs_fail; |
| 5150 | p++; |
| 5151 | secs = strtol(p, (char **)&p, 0); |
| 5152 | if (secs < 1 || secs > 63) |
| 5153 | goto chs_fail; |
| 5154 | if (*p == ',') { |
| 5155 | p++; |
| 5156 | if (!strcmp(p, "none")) |
| 5157 | translation = BIOS_ATA_TRANSLATION_NONE; |
| 5158 | else if (!strcmp(p, "lba")) |
| 5159 | translation = BIOS_ATA_TRANSLATION_LBA; |
| 5160 | else if (!strcmp(p, "auto")) |
| 5161 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5162 | else |
| 5163 | goto chs_fail; |
| 5164 | } else if (*p != '\0') { |
| 5165 | chs_fail: |
| 5166 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
| 5167 | exit(1); |
| 5168 | } |
| 5169 | if (hda_index != -1) |
| 5170 | snprintf(drives_opt[hda_index].opt, |
| 5171 | sizeof(drives_opt[hda_index].opt), |
| 5172 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", |
| 5173 | 0, cyls, heads, secs, |
| 5174 | translation == BIOS_ATA_TRANSLATION_LBA ? |
| 5175 | ",trans=lba" : |
| 5176 | translation == BIOS_ATA_TRANSLATION_NONE ? |
| 5177 | ",trans=none" : ""); |
| 5178 | } |
| 5179 | break; |
| 5180 | case QEMU_OPTION_numa: |
| 5181 | if (nb_numa_nodes >= MAX_NODES) { |
| 5182 | fprintf(stderr, "qemu: too many NUMA nodes\n"); |
| 5183 | exit(1); |
| 5184 | } |
| 5185 | numa_add(optarg); |
| 5186 | break; |
| 5187 | case QEMU_OPTION_nographic: |
| 5188 | display_type = DT_NOGRAPHIC; |
| 5189 | break; |
| 5190 | #ifdef CONFIG_CURSES |
| 5191 | case QEMU_OPTION_curses: |
| 5192 | display_type = DT_CURSES; |
| 5193 | break; |
| 5194 | #endif |
| 5195 | case QEMU_OPTION_portrait: |
| 5196 | graphic_rotate = 1; |
| 5197 | break; |
| 5198 | case QEMU_OPTION_kernel: |
| 5199 | kernel_filename = optarg; |
| 5200 | break; |
| 5201 | case QEMU_OPTION_append: |
| 5202 | kernel_cmdline = optarg; |
| 5203 | break; |
| 5204 | case QEMU_OPTION_cdrom: |
| 5205 | drive_add(optarg, CDROM_ALIAS); |
| 5206 | break; |
| 5207 | case QEMU_OPTION_boot: |
| 5208 | boot_devices = optarg; |
| 5209 | /* We just do some generic consistency checks */ |
| 5210 | { |
| 5211 | /* Could easily be extended to 64 devices if needed */ |
| 5212 | const char *p; |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 5213 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5214 | boot_devices_bitmap = 0; |
| 5215 | for (p = boot_devices; *p != '\0'; p++) { |
| 5216 | /* Allowed boot devices are: |
| 5217 | * a b : floppy disk drives |
| 5218 | * c ... f : IDE disk drives |
| 5219 | * g ... m : machine implementation dependant drives |
| 5220 | * n ... p : network devices |
| 5221 | * It's up to each machine implementation to check |
| 5222 | * if the given boot devices match the actual hardware |
| 5223 | * implementation and firmware features. |
| 5224 | */ |
| 5225 | if (*p < 'a' || *p > 'q') { |
| 5226 | fprintf(stderr, "Invalid boot device '%c'\n", *p); |
| 5227 | exit(1); |
| 5228 | } |
| 5229 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
| 5230 | fprintf(stderr, |
| 5231 | "Boot device '%c' was given twice\n",*p); |
| 5232 | exit(1); |
| 5233 | } |
| 5234 | boot_devices_bitmap |= 1 << (*p - 'a'); |
| 5235 | } |
| 5236 | } |
| 5237 | break; |
| 5238 | case QEMU_OPTION_fda: |
| 5239 | case QEMU_OPTION_fdb: |
| 5240 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
| 5241 | break; |
| 5242 | #ifdef TARGET_I386 |
| 5243 | case QEMU_OPTION_no_fd_bootchk: |
| 5244 | fd_bootchk = 0; |
| 5245 | break; |
| 5246 | #endif |
| 5247 | case QEMU_OPTION_net: |
| 5248 | if (nb_net_clients >= MAX_NET_CLIENTS) { |
| 5249 | fprintf(stderr, "qemu: too many network clients\n"); |
| 5250 | exit(1); |
| 5251 | } |
| 5252 | net_clients[nb_net_clients] = optarg; |
| 5253 | nb_net_clients++; |
| 5254 | break; |
| 5255 | #ifdef CONFIG_SLIRP |
| 5256 | case QEMU_OPTION_tftp: |
| 5257 | tftp_prefix = optarg; |
| 5258 | break; |
| 5259 | case QEMU_OPTION_bootp: |
| 5260 | bootp_filename = optarg; |
| 5261 | break; |
| 5262 | #if 0 /* ANDROID disabled */ |
| 5263 | #ifndef _WIN32 |
| 5264 | case QEMU_OPTION_smb: |
| 5265 | net_slirp_smb(optarg); |
| 5266 | break; |
| 5267 | #endif |
| 5268 | #endif /* ANDROID */ |
| 5269 | case QEMU_OPTION_redir: |
| 5270 | net_slirp_redir(NULL, optarg, NULL); |
| 5271 | break; |
| 5272 | #endif |
| 5273 | case QEMU_OPTION_bt: |
| 5274 | if (nb_bt_opts >= MAX_BT_CMDLINE) { |
| 5275 | fprintf(stderr, "qemu: too many bluetooth options\n"); |
| 5276 | exit(1); |
| 5277 | } |
| 5278 | bt_opts[nb_bt_opts++] = optarg; |
| 5279 | break; |
| 5280 | #ifdef HAS_AUDIO |
| 5281 | case QEMU_OPTION_audio_help: |
| 5282 | AUD_help (); |
| 5283 | exit (0); |
| 5284 | break; |
| 5285 | case QEMU_OPTION_soundhw: |
| 5286 | select_soundhw (optarg); |
| 5287 | break; |
| 5288 | #endif |
| 5289 | case QEMU_OPTION_h: |
| 5290 | qemu_help(0); |
| 5291 | break; |
| 5292 | case QEMU_OPTION_version: |
| 5293 | version(); |
| 5294 | exit(0); |
| 5295 | break; |
| 5296 | case QEMU_OPTION_m: { |
| 5297 | uint64_t value; |
| 5298 | char *ptr; |
| 5299 | |
| 5300 | value = strtoul(optarg, &ptr, 10); |
| 5301 | switch (*ptr) { |
| 5302 | case 0: case 'M': case 'm': |
| 5303 | value <<= 20; |
| 5304 | break; |
| 5305 | case 'G': case 'g': |
| 5306 | value <<= 30; |
| 5307 | break; |
| 5308 | default: |
| 5309 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); |
| 5310 | exit(1); |
| 5311 | } |
| 5312 | |
| 5313 | /* On 32-bit hosts, QEMU is limited by virtual address space */ |
| 5314 | if (value > (2047 << 20) |
| 5315 | #ifndef CONFIG_KQEMU |
| 5316 | && HOST_LONG_BITS == 32 |
| 5317 | #endif |
| 5318 | ) { |
| 5319 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
| 5320 | exit(1); |
| 5321 | } |
| 5322 | if (value != (uint64_t)(ram_addr_t)value) { |
| 5323 | fprintf(stderr, "qemu: ram size too large\n"); |
| 5324 | exit(1); |
| 5325 | } |
| 5326 | ram_size = value; |
| 5327 | break; |
| 5328 | } |
| 5329 | case QEMU_OPTION_d: |
| 5330 | { |
| 5331 | int mask; |
| 5332 | const CPULogItem *item; |
| 5333 | |
| 5334 | mask = cpu_str_to_log_mask(optarg); |
| 5335 | if (!mask) { |
| 5336 | printf("Log items (comma separated):\n"); |
| 5337 | for(item = cpu_log_items; item->mask != 0; item++) { |
| 5338 | printf("%-10s %s\n", item->name, item->help); |
| 5339 | } |
| 5340 | exit(1); |
| 5341 | } |
| 5342 | cpu_set_log(mask); |
| 5343 | } |
| 5344 | break; |
| 5345 | case QEMU_OPTION_s: |
| 5346 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
| 5347 | break; |
| 5348 | case QEMU_OPTION_gdb: |
| 5349 | gdbstub_dev = optarg; |
| 5350 | break; |
| 5351 | case QEMU_OPTION_L: |
| 5352 | data_dir = optarg; |
| 5353 | break; |
| 5354 | case QEMU_OPTION_bios: |
| 5355 | bios_name = optarg; |
| 5356 | break; |
| 5357 | case QEMU_OPTION_singlestep: |
| 5358 | singlestep = 1; |
| 5359 | break; |
| 5360 | case QEMU_OPTION_S: |
| 5361 | #if 0 /* ANDROID */ |
| 5362 | fprintf(stderr, "Sorry, stopped launch is not supported in the Android emulator\n" ); |
| 5363 | exit(1); |
| 5364 | #endif |
| 5365 | autostart = 0; |
| 5366 | break; |
| 5367 | #ifndef _WIN32 |
| 5368 | case QEMU_OPTION_k: |
| 5369 | keyboard_layout = optarg; |
| 5370 | break; |
| 5371 | #endif |
| 5372 | case QEMU_OPTION_localtime: |
| 5373 | rtc_utc = 0; |
| 5374 | break; |
| 5375 | case QEMU_OPTION_vga: |
| 5376 | select_vgahw (optarg); |
| 5377 | break; |
| 5378 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
| 5379 | case QEMU_OPTION_g: |
| 5380 | { |
| 5381 | const char *p; |
| 5382 | int w, h, depth; |
| 5383 | p = optarg; |
| 5384 | w = strtol(p, (char **)&p, 10); |
| 5385 | if (w <= 0) { |
| 5386 | graphic_error: |
| 5387 | fprintf(stderr, "qemu: invalid resolution or depth\n"); |
| 5388 | exit(1); |
| 5389 | } |
| 5390 | if (*p != 'x') |
| 5391 | goto graphic_error; |
| 5392 | p++; |
| 5393 | h = strtol(p, (char **)&p, 10); |
| 5394 | if (h <= 0) |
| 5395 | goto graphic_error; |
| 5396 | if (*p == 'x') { |
| 5397 | p++; |
| 5398 | depth = strtol(p, (char **)&p, 10); |
| 5399 | if (depth != 8 && depth != 15 && depth != 16 && |
| 5400 | depth != 24 && depth != 32) |
| 5401 | goto graphic_error; |
| 5402 | } else if (*p == '\0') { |
| 5403 | depth = graphic_depth; |
| 5404 | } else { |
| 5405 | goto graphic_error; |
| 5406 | } |
| 5407 | |
| 5408 | graphic_width = w; |
| 5409 | graphic_height = h; |
| 5410 | graphic_depth = depth; |
| 5411 | } |
| 5412 | break; |
| 5413 | #endif |
| 5414 | case QEMU_OPTION_echr: |
| 5415 | { |
| 5416 | char *r; |
| 5417 | term_escape_char = strtol(optarg, &r, 0); |
| 5418 | if (r == optarg) |
| 5419 | printf("Bad argument to echr\n"); |
| 5420 | break; |
| 5421 | } |
| 5422 | case QEMU_OPTION_monitor: |
| 5423 | monitor_device = optarg; |
| 5424 | break; |
| 5425 | case QEMU_OPTION_serial: |
| 5426 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
| 5427 | fprintf(stderr, "qemu: too many serial ports\n"); |
| 5428 | exit(1); |
| 5429 | } |
| 5430 | serial_devices[serial_device_index] = optarg; |
| 5431 | serial_device_index++; |
| 5432 | break; |
| 5433 | case QEMU_OPTION_watchdog: |
| 5434 | i = select_watchdog(optarg); |
| 5435 | if (i > 0) |
| 5436 | exit (i == 1 ? 1 : 0); |
| 5437 | break; |
| 5438 | case QEMU_OPTION_watchdog_action: |
| 5439 | if (select_watchdog_action(optarg) == -1) { |
| 5440 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); |
| 5441 | exit(1); |
| 5442 | } |
| 5443 | break; |
| 5444 | case QEMU_OPTION_virtiocon: |
| 5445 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { |
| 5446 | fprintf(stderr, "qemu: too many virtio consoles\n"); |
| 5447 | exit(1); |
| 5448 | } |
| 5449 | virtio_consoles[virtio_console_index] = optarg; |
| 5450 | virtio_console_index++; |
| 5451 | break; |
| 5452 | case QEMU_OPTION_parallel: |
| 5453 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { |
| 5454 | fprintf(stderr, "qemu: too many parallel ports\n"); |
| 5455 | exit(1); |
| 5456 | } |
| 5457 | parallel_devices[parallel_device_index] = optarg; |
| 5458 | parallel_device_index++; |
| 5459 | break; |
| 5460 | case QEMU_OPTION_loadvm: |
| 5461 | loadvm = optarg; |
| 5462 | break; |
| 5463 | case QEMU_OPTION_full_screen: |
| 5464 | full_screen = 1; |
| 5465 | break; |
| 5466 | #ifdef CONFIG_SDL |
| 5467 | case QEMU_OPTION_no_frame: |
| 5468 | no_frame = 1; |
| 5469 | break; |
| 5470 | case QEMU_OPTION_alt_grab: |
| 5471 | alt_grab = 1; |
| 5472 | break; |
| 5473 | case QEMU_OPTION_no_quit: |
| 5474 | no_quit = 1; |
| 5475 | break; |
| 5476 | case QEMU_OPTION_sdl: |
| 5477 | display_type = DT_SDL; |
| 5478 | break; |
| 5479 | #endif |
| 5480 | case QEMU_OPTION_pidfile: |
| 5481 | pid_file = optarg; |
| 5482 | break; |
| 5483 | #ifdef TARGET_I386 |
| 5484 | case QEMU_OPTION_win2k_hack: |
| 5485 | win2k_install_hack = 1; |
| 5486 | break; |
| 5487 | case QEMU_OPTION_rtc_td_hack: |
| 5488 | rtc_td_hack = 1; |
| 5489 | break; |
| 5490 | case QEMU_OPTION_acpitable: |
| 5491 | if(acpi_table_add(optarg) < 0) { |
| 5492 | fprintf(stderr, "Wrong acpi table provided\n"); |
| 5493 | exit(1); |
| 5494 | } |
| 5495 | break; |
| 5496 | case QEMU_OPTION_smbios: |
| 5497 | if(smbios_entry_add(optarg) < 0) { |
| 5498 | fprintf(stderr, "Wrong smbios provided\n"); |
| 5499 | exit(1); |
| 5500 | } |
| 5501 | break; |
| 5502 | #endif |
| 5503 | #ifdef CONFIG_KQEMU |
| 5504 | case QEMU_OPTION_no_kqemu: |
| 5505 | kqemu_allowed = 0; |
| 5506 | break; |
| 5507 | case QEMU_OPTION_kernel_kqemu: |
| 5508 | kqemu_allowed = 2; |
| 5509 | break; |
| 5510 | #endif |
| 5511 | #ifdef CONFIG_KVM |
| 5512 | case QEMU_OPTION_enable_kvm: |
| 5513 | kvm_allowed = 1; |
| 5514 | #ifdef CONFIG_KQEMU |
| 5515 | kqemu_allowed = 0; |
| 5516 | #endif |
| 5517 | break; |
| 5518 | #endif |
| 5519 | case QEMU_OPTION_usb: |
| 5520 | usb_enabled = 1; |
| 5521 | break; |
| 5522 | case QEMU_OPTION_usbdevice: |
| 5523 | usb_enabled = 1; |
| 5524 | if (usb_devices_index >= MAX_USB_CMDLINE) { |
| 5525 | fprintf(stderr, "Too many USB devices\n"); |
| 5526 | exit(1); |
| 5527 | } |
| 5528 | usb_devices[usb_devices_index] = optarg; |
| 5529 | usb_devices_index++; |
| 5530 | break; |
| 5531 | case QEMU_OPTION_smp: |
| 5532 | smp_cpus = atoi(optarg); |
| 5533 | if (smp_cpus < 1) { |
| 5534 | fprintf(stderr, "Invalid number of CPUs\n"); |
| 5535 | exit(1); |
| 5536 | } |
| 5537 | break; |
| 5538 | case QEMU_OPTION_vnc: |
| 5539 | display_type = DT_VNC; |
| 5540 | vnc_display = optarg; |
| 5541 | break; |
| 5542 | #ifdef TARGET_I386 |
| 5543 | case QEMU_OPTION_no_acpi: |
| 5544 | acpi_enabled = 0; |
| 5545 | break; |
| 5546 | case QEMU_OPTION_no_hpet: |
| 5547 | no_hpet = 1; |
| 5548 | break; |
| 5549 | case QEMU_OPTION_no_virtio_balloon: |
| 5550 | no_virtio_balloon = 1; |
| 5551 | break; |
| 5552 | #endif |
| 5553 | case QEMU_OPTION_no_reboot: |
| 5554 | no_reboot = 1; |
| 5555 | break; |
| 5556 | case QEMU_OPTION_no_shutdown: |
| 5557 | no_shutdown = 1; |
| 5558 | break; |
| 5559 | case QEMU_OPTION_show_cursor: |
| 5560 | cursor_hide = 0; |
| 5561 | break; |
| 5562 | case QEMU_OPTION_uuid: |
| 5563 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
| 5564 | fprintf(stderr, "Fail to parse UUID string." |
| 5565 | " Wrong format.\n"); |
| 5566 | exit(1); |
| 5567 | } |
| 5568 | break; |
| 5569 | #ifndef _WIN32 |
| 5570 | case QEMU_OPTION_daemonize: |
| 5571 | daemonize = 1; |
| 5572 | break; |
| 5573 | #endif |
| 5574 | case QEMU_OPTION_option_rom: |
| 5575 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 5576 | fprintf(stderr, "Too many option ROMs\n"); |
| 5577 | exit(1); |
| 5578 | } |
| 5579 | option_rom[nb_option_roms] = optarg; |
| 5580 | nb_option_roms++; |
| 5581 | break; |
| 5582 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
| 5583 | case QEMU_OPTION_semihosting: |
| 5584 | semihosting_enabled = 1; |
| 5585 | break; |
| 5586 | #endif |
| 5587 | case QEMU_OPTION_name: |
| 5588 | qemu_name = optarg; |
| 5589 | break; |
| 5590 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
| 5591 | case QEMU_OPTION_prom_env: |
| 5592 | if (nb_prom_envs >= MAX_PROM_ENVS) { |
| 5593 | fprintf(stderr, "Too many prom variables\n"); |
| 5594 | exit(1); |
| 5595 | } |
| 5596 | prom_envs[nb_prom_envs] = optarg; |
| 5597 | nb_prom_envs++; |
| 5598 | break; |
| 5599 | #endif |
| 5600 | #ifdef TARGET_ARM |
| 5601 | case QEMU_OPTION_old_param: |
| 5602 | old_param = 1; |
| 5603 | break; |
| 5604 | #endif |
| 5605 | case QEMU_OPTION_clock: |
| 5606 | configure_alarms(optarg); |
| 5607 | break; |
| 5608 | case QEMU_OPTION_startdate: |
| 5609 | { |
| 5610 | struct tm tm; |
| 5611 | time_t rtc_start_date; |
| 5612 | if (!strcmp(optarg, "now")) { |
| 5613 | rtc_date_offset = -1; |
| 5614 | } else { |
| 5615 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
| 5616 | &tm.tm_year, |
| 5617 | &tm.tm_mon, |
| 5618 | &tm.tm_mday, |
| 5619 | &tm.tm_hour, |
| 5620 | &tm.tm_min, |
| 5621 | &tm.tm_sec) == 6) { |
| 5622 | /* OK */ |
| 5623 | } else if (sscanf(optarg, "%d-%d-%d", |
| 5624 | &tm.tm_year, |
| 5625 | &tm.tm_mon, |
| 5626 | &tm.tm_mday) == 3) { |
| 5627 | tm.tm_hour = 0; |
| 5628 | tm.tm_min = 0; |
| 5629 | tm.tm_sec = 0; |
| 5630 | } else { |
| 5631 | goto date_fail; |
| 5632 | } |
| 5633 | tm.tm_year -= 1900; |
| 5634 | tm.tm_mon--; |
| 5635 | rtc_start_date = mktimegm(&tm); |
| 5636 | if (rtc_start_date == -1) { |
| 5637 | date_fail: |
| 5638 | fprintf(stderr, "Invalid date format. Valid format are:\n" |
| 5639 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); |
| 5640 | exit(1); |
| 5641 | } |
| 5642 | rtc_date_offset = time(NULL) - rtc_start_date; |
| 5643 | } |
| 5644 | } |
| 5645 | break; |
| 5646 | case QEMU_OPTION_tb_size: |
| 5647 | tb_size = strtol(optarg, NULL, 0); |
| 5648 | if (tb_size < 0) |
| 5649 | tb_size = 0; |
| 5650 | break; |
| 5651 | case QEMU_OPTION_icount: |
| 5652 | use_icount = 1; |
| 5653 | if (strcmp(optarg, "auto") == 0) { |
| 5654 | icount_time_shift = -1; |
| 5655 | } else { |
| 5656 | icount_time_shift = strtol(optarg, NULL, 0); |
| 5657 | } |
| 5658 | break; |
| 5659 | case QEMU_OPTION_incoming: |
| 5660 | incoming = optarg; |
| 5661 | break; |
| 5662 | #ifndef _WIN32 |
| 5663 | case QEMU_OPTION_chroot: |
| 5664 | chroot_dir = optarg; |
| 5665 | break; |
| 5666 | case QEMU_OPTION_runas: |
| 5667 | run_as = optarg; |
| 5668 | break; |
| 5669 | #endif |
| 5670 | #ifdef CONFIG_XEN |
| 5671 | case QEMU_OPTION_xen_domid: |
| 5672 | xen_domid = atoi(optarg); |
| 5673 | break; |
| 5674 | case QEMU_OPTION_xen_create: |
| 5675 | xen_mode = XEN_CREATE; |
| 5676 | break; |
| 5677 | case QEMU_OPTION_xen_attach: |
| 5678 | xen_mode = XEN_ATTACH; |
| 5679 | break; |
| 5680 | #endif |
| 5681 | |
| 5682 | |
| 5683 | case QEMU_OPTION_mic: |
| 5684 | audio_input_source = (char*)optarg; |
| 5685 | break; |
| 5686 | #ifdef CONFIG_TRACE |
David 'Digit' Turner | a577fca | 2009-10-15 18:18:09 -0700 | [diff] [blame] | 5687 | case QEMU_OPTION_trace: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5688 | trace_filename = optarg; |
| 5689 | tracing = 1; |
| 5690 | break; |
| 5691 | #if 0 |
| 5692 | case QEMU_OPTION_trace_miss: |
| 5693 | trace_cache_miss = 1; |
| 5694 | break; |
| 5695 | case QEMU_OPTION_trace_addr: |
| 5696 | trace_all_addr = 1; |
| 5697 | break; |
| 5698 | #endif |
| 5699 | case QEMU_OPTION_tracing: |
| 5700 | if (strcmp(optarg, "off") == 0) |
| 5701 | tracing = 0; |
| 5702 | else if (strcmp(optarg, "on") == 0 && trace_filename) |
| 5703 | tracing = 1; |
| 5704 | else { |
| 5705 | fprintf(stderr, "Unexpected option to -tracing ('%s')\n", |
| 5706 | optarg); |
| 5707 | exit(1); |
| 5708 | } |
| 5709 | break; |
| 5710 | #if 0 |
| 5711 | case QEMU_OPTION_dcache_load_miss: |
| 5712 | dcache_load_miss_penalty = atoi(optarg); |
| 5713 | break; |
| 5714 | case QEMU_OPTION_dcache_store_miss: |
| 5715 | dcache_store_miss_penalty = atoi(optarg); |
| 5716 | break; |
| 5717 | #endif |
| 5718 | #endif |
| 5719 | #ifdef CONFIG_NAND |
| 5720 | case QEMU_OPTION_nand: |
| 5721 | nand_add_dev(optarg); |
| 5722 | break; |
| 5723 | #endif |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 5724 | case QEMU_OPTION_android_ports: |
| 5725 | android_op_ports = (char*)optarg; |
| 5726 | break; |
| 5727 | |
| 5728 | case QEMU_OPTION_android_port: |
| 5729 | android_op_port = (char*)optarg; |
| 5730 | break; |
| 5731 | |
| 5732 | case QEMU_OPTION_android_report_console: |
| 5733 | android_op_report_console = (char*)optarg; |
| 5734 | break; |
| 5735 | |
| 5736 | case QEMU_OPTION_http_proxy: |
| 5737 | op_http_proxy = (char*)optarg; |
| 5738 | break; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5739 | } |
| 5740 | } |
| 5741 | } |
| 5742 | |
| 5743 | /* If no data_dir is specified then try to find it relative to the |
| 5744 | executable path. */ |
| 5745 | if (!data_dir) { |
| 5746 | data_dir = find_datadir(argv[0]); |
| 5747 | } |
| 5748 | /* If all else fails use the install patch specified when building. */ |
| 5749 | if (!data_dir) { |
| 5750 | data_dir = CONFIG_QEMU_SHAREDIR; |
| 5751 | } |
| 5752 | |
| 5753 | #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU) |
| 5754 | if (kvm_allowed && kqemu_allowed) { |
| 5755 | fprintf(stderr, |
| 5756 | "You can not enable both KVM and kqemu at the same time\n"); |
| 5757 | exit(1); |
| 5758 | } |
| 5759 | #endif |
| 5760 | |
| 5761 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
| 5762 | if (smp_cpus > machine->max_cpus) { |
| 5763 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " |
| 5764 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, |
| 5765 | machine->max_cpus); |
| 5766 | exit(1); |
| 5767 | } |
| 5768 | |
| 5769 | if (display_type == DT_NOGRAPHIC) { |
| 5770 | if (serial_device_index == 0) |
| 5771 | serial_devices[0] = "stdio"; |
| 5772 | if (parallel_device_index == 0) |
| 5773 | parallel_devices[0] = "null"; |
| 5774 | if (strncmp(monitor_device, "vc", 2) == 0) |
| 5775 | monitor_device = "stdio"; |
| 5776 | } |
| 5777 | |
| 5778 | #ifndef _WIN32 |
| 5779 | if (daemonize) { |
| 5780 | pid_t pid; |
| 5781 | |
| 5782 | if (pipe(fds) == -1) |
| 5783 | exit(1); |
| 5784 | |
| 5785 | pid = fork(); |
| 5786 | if (pid > 0) { |
| 5787 | uint8_t status; |
| 5788 | ssize_t len; |
| 5789 | |
| 5790 | close(fds[1]); |
| 5791 | |
| 5792 | again: |
| 5793 | len = read(fds[0], &status, 1); |
| 5794 | if (len == -1 && (errno == EINTR)) |
| 5795 | goto again; |
| 5796 | |
| 5797 | if (len != 1) |
| 5798 | exit(1); |
| 5799 | else if (status == 1) { |
| 5800 | fprintf(stderr, "Could not acquire pidfile\n"); |
| 5801 | exit(1); |
| 5802 | } else |
| 5803 | exit(0); |
| 5804 | } else if (pid < 0) |
| 5805 | exit(1); |
| 5806 | |
| 5807 | setsid(); |
| 5808 | |
| 5809 | pid = fork(); |
| 5810 | if (pid > 0) |
| 5811 | exit(0); |
| 5812 | else if (pid < 0) |
| 5813 | exit(1); |
| 5814 | |
| 5815 | umask(027); |
| 5816 | |
| 5817 | signal(SIGTSTP, SIG_IGN); |
| 5818 | signal(SIGTTOU, SIG_IGN); |
| 5819 | signal(SIGTTIN, SIG_IGN); |
| 5820 | } |
| 5821 | |
| 5822 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
| 5823 | if (daemonize) { |
| 5824 | uint8_t status = 1; |
| 5825 | write(fds[1], &status, 1); |
| 5826 | } else |
| 5827 | fprintf(stderr, "Could not acquire pid file\n"); |
| 5828 | exit(1); |
| 5829 | } |
| 5830 | #endif |
| 5831 | |
| 5832 | #ifdef CONFIG_KQEMU |
| 5833 | if (smp_cpus > 1) |
| 5834 | kqemu_allowed = 0; |
| 5835 | #endif |
| 5836 | if (qemu_init_main_loop()) { |
| 5837 | fprintf(stderr, "qemu_init_main_loop failed\n"); |
| 5838 | exit(1); |
| 5839 | } |
| 5840 | linux_boot = (kernel_filename != NULL); |
| 5841 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
| 5842 | |
| 5843 | if (!linux_boot && *kernel_cmdline != '\0') { |
| 5844 | fprintf(stderr, "-append only allowed with -kernel option\n"); |
| 5845 | exit(1); |
| 5846 | } |
| 5847 | |
| 5848 | if (!linux_boot && initrd_filename != NULL) { |
| 5849 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); |
| 5850 | exit(1); |
| 5851 | } |
| 5852 | |
| 5853 | /* boot to floppy or the default cd if no hard disk defined yet */ |
| 5854 | if (!boot_devices[0]) { |
| 5855 | boot_devices = "cad"; |
| 5856 | } |
| 5857 | setvbuf(stdout, NULL, _IOLBF, 0); |
| 5858 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5859 | if (init_timer_alarm() < 0) { |
| 5860 | fprintf(stderr, "could not initialize alarm timer\n"); |
| 5861 | exit(1); |
| 5862 | } |
| 5863 | if (use_icount && icount_time_shift < 0) { |
| 5864 | use_icount = 2; |
| 5865 | /* 125MIPS seems a reasonable initial guess at the guest speed. |
| 5866 | It will be corrected fairly quickly anyway. */ |
| 5867 | icount_time_shift = 3; |
| 5868 | init_icount_adjust(); |
| 5869 | } |
| 5870 | |
| 5871 | #ifdef _WIN32 |
| 5872 | socket_init(); |
| 5873 | #endif |
| 5874 | |
| 5875 | /* init network clients */ |
| 5876 | if (nb_net_clients == 0) { |
| 5877 | /* if no clients, we use a default config */ |
| 5878 | net_clients[nb_net_clients++] = "nic"; |
| 5879 | #ifdef CONFIG_SLIRP |
| 5880 | net_clients[nb_net_clients++] = "user"; |
| 5881 | #endif |
| 5882 | } |
| 5883 | |
| 5884 | for(i = 0;i < nb_net_clients; i++) { |
| 5885 | if (net_client_parse(net_clients[i]) < 0) |
| 5886 | exit(1); |
| 5887 | } |
| 5888 | net_client_check(); |
| 5889 | |
| 5890 | #ifdef TARGET_I386 |
| 5891 | /* XXX: this should be moved in the PC machine instantiation code */ |
| 5892 | if (net_boot != 0) { |
| 5893 | int netroms = 0; |
| 5894 | for (i = 0; i < nb_nics && i < 4; i++) { |
| 5895 | const char *model = nd_table[i].model; |
| 5896 | char buf[1024]; |
| 5897 | char *filename; |
| 5898 | if (net_boot & (1 << i)) { |
| 5899 | if (model == NULL) |
| 5900 | model = "ne2k_pci"; |
| 5901 | snprintf(buf, sizeof(buf), "pxe-%s.bin", model); |
| 5902 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf); |
| 5903 | if (filename && get_image_size(filename) > 0) { |
| 5904 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 5905 | fprintf(stderr, "Too many option ROMs\n"); |
| 5906 | exit(1); |
| 5907 | } |
| 5908 | option_rom[nb_option_roms] = qemu_strdup(buf); |
| 5909 | nb_option_roms++; |
| 5910 | netroms++; |
| 5911 | } |
| 5912 | if (filename) { |
| 5913 | qemu_free(filename); |
| 5914 | } |
| 5915 | } |
| 5916 | } |
| 5917 | if (netroms == 0) { |
| 5918 | fprintf(stderr, "No valid PXE rom found for network device\n"); |
| 5919 | exit(1); |
| 5920 | } |
| 5921 | } |
| 5922 | #endif |
| 5923 | |
| 5924 | /* init the bluetooth world */ |
| 5925 | for (i = 0; i < nb_bt_opts; i++) |
| 5926 | if (bt_parse(bt_opts[i])) |
| 5927 | exit(1); |
| 5928 | |
| 5929 | /* init the memory */ |
| 5930 | if (ram_size == 0) |
| 5931 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
| 5932 | |
| 5933 | #ifdef CONFIG_KQEMU |
| 5934 | /* FIXME: This is a nasty hack because kqemu can't cope with dynamic |
| 5935 | guest ram allocation. It needs to go away. */ |
| 5936 | if (kqemu_allowed) { |
| 5937 | kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024; |
| 5938 | kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size); |
| 5939 | if (!kqemu_phys_ram_base) { |
| 5940 | fprintf(stderr, "Could not allocate physical memory\n"); |
| 5941 | exit(1); |
| 5942 | } |
| 5943 | } |
| 5944 | #endif |
| 5945 | |
| 5946 | /* init the dynamic translator */ |
| 5947 | cpu_exec_init_all(tb_size * 1024 * 1024); |
| 5948 | |
| 5949 | bdrv_init(); |
| 5950 | |
| 5951 | /* we always create the cdrom drive, even if no disk is there */ |
| 5952 | |
| 5953 | if (nb_drives_opt < MAX_DRIVES) |
| 5954 | drive_add(NULL, CDROM_ALIAS); |
| 5955 | |
| 5956 | /* we always create at least one floppy */ |
| 5957 | |
| 5958 | if (nb_drives_opt < MAX_DRIVES) |
| 5959 | drive_add(NULL, FD_ALIAS, 0); |
| 5960 | |
| 5961 | /* we always create one sd slot, even if no card is in it */ |
| 5962 | |
| 5963 | if (nb_drives_opt < MAX_DRIVES) |
| 5964 | drive_add(NULL, SD_ALIAS); |
| 5965 | |
| 5966 | /* open the virtual block devices */ |
| 5967 | |
| 5968 | for(i = 0; i < nb_drives_opt; i++) |
| 5969 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
| 5970 | exit(1); |
| 5971 | |
| 5972 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
| 5973 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); |
| 5974 | |
| 5975 | #ifndef _WIN32 |
| 5976 | /* must be after terminal init, SDL library changes signal handlers */ |
| 5977 | sighandler_setup(); |
| 5978 | #endif |
| 5979 | |
| 5980 | /* Maintain compatibility with multiple stdio monitors */ |
| 5981 | if (!strcmp(monitor_device,"stdio")) { |
| 5982 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 5983 | const char *devname = serial_devices[i]; |
| 5984 | if (devname && !strcmp(devname,"mon:stdio")) { |
| 5985 | monitor_device = NULL; |
| 5986 | break; |
| 5987 | } else if (devname && !strcmp(devname,"stdio")) { |
| 5988 | monitor_device = NULL; |
| 5989 | serial_devices[i] = "mon:stdio"; |
| 5990 | break; |
| 5991 | } |
| 5992 | } |
| 5993 | } |
| 5994 | |
| 5995 | if (nb_numa_nodes > 0) { |
| 5996 | int i; |
| 5997 | |
| 5998 | if (nb_numa_nodes > smp_cpus) { |
| 5999 | nb_numa_nodes = smp_cpus; |
| 6000 | } |
| 6001 | |
| 6002 | /* If no memory size if given for any node, assume the default case |
| 6003 | * and distribute the available memory equally across all nodes |
| 6004 | */ |
| 6005 | for (i = 0; i < nb_numa_nodes; i++) { |
| 6006 | if (node_mem[i] != 0) |
| 6007 | break; |
| 6008 | } |
| 6009 | if (i == nb_numa_nodes) { |
| 6010 | uint64_t usedmem = 0; |
| 6011 | |
| 6012 | /* On Linux, the each node's border has to be 8MB aligned, |
| 6013 | * the final node gets the rest. |
| 6014 | */ |
| 6015 | for (i = 0; i < nb_numa_nodes - 1; i++) { |
| 6016 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); |
| 6017 | usedmem += node_mem[i]; |
| 6018 | } |
| 6019 | node_mem[i] = ram_size - usedmem; |
| 6020 | } |
| 6021 | |
| 6022 | for (i = 0; i < nb_numa_nodes; i++) { |
| 6023 | if (node_cpumask[i] != 0) |
| 6024 | break; |
| 6025 | } |
| 6026 | /* assigning the VCPUs round-robin is easier to implement, guest OSes |
| 6027 | * must cope with this anyway, because there are BIOSes out there in |
| 6028 | * real machines which also use this scheme. |
| 6029 | */ |
| 6030 | if (i == nb_numa_nodes) { |
| 6031 | for (i = 0; i < smp_cpus; i++) { |
| 6032 | node_cpumask[i % nb_numa_nodes] |= 1 << i; |
| 6033 | } |
| 6034 | } |
| 6035 | } |
| 6036 | |
| 6037 | if (kvm_enabled()) { |
| 6038 | int ret; |
| 6039 | |
| 6040 | ret = kvm_init(smp_cpus); |
| 6041 | if (ret < 0) { |
| 6042 | fprintf(stderr, "failed to initialize KVM\n"); |
| 6043 | exit(1); |
| 6044 | } |
| 6045 | } |
| 6046 | |
| 6047 | if (monitor_device) { |
| 6048 | monitor_hd = qemu_chr_open("monitor", monitor_device, NULL); |
| 6049 | if (!monitor_hd) { |
| 6050 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); |
| 6051 | exit(1); |
| 6052 | } |
| 6053 | } |
| 6054 | |
| 6055 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 6056 | const char *devname = serial_devices[i]; |
| 6057 | if (devname && strcmp(devname, "none")) { |
| 6058 | char label[32]; |
| 6059 | snprintf(label, sizeof(label), "serial%d", i); |
| 6060 | serial_hds[i] = qemu_chr_open(label, devname, NULL); |
| 6061 | if (!serial_hds[i]) { |
| 6062 | fprintf(stderr, "qemu: could not open serial device '%s'\n", |
| 6063 | devname); |
| 6064 | exit(1); |
| 6065 | } |
| 6066 | } |
| 6067 | } |
| 6068 | |
| 6069 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 6070 | const char *devname = parallel_devices[i]; |
| 6071 | if (devname && strcmp(devname, "none")) { |
| 6072 | char label[32]; |
| 6073 | snprintf(label, sizeof(label), "parallel%d", i); |
| 6074 | parallel_hds[i] = qemu_chr_open(label, devname, NULL); |
| 6075 | if (!parallel_hds[i]) { |
| 6076 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", |
| 6077 | devname); |
| 6078 | exit(1); |
| 6079 | } |
| 6080 | } |
| 6081 | } |
| 6082 | |
| 6083 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
| 6084 | const char *devname = virtio_consoles[i]; |
| 6085 | if (devname && strcmp(devname, "none")) { |
| 6086 | char label[32]; |
| 6087 | snprintf(label, sizeof(label), "virtcon%d", i); |
| 6088 | virtcon_hds[i] = qemu_chr_open(label, devname, NULL); |
| 6089 | if (!virtcon_hds[i]) { |
| 6090 | fprintf(stderr, "qemu: could not open virtio console '%s'\n", |
| 6091 | devname); |
| 6092 | exit(1); |
| 6093 | } |
| 6094 | } |
| 6095 | } |
| 6096 | |
| 6097 | module_call_init(MODULE_INIT_DEVICE); |
| 6098 | |
| 6099 | |
| 6100 | #ifdef CONFIG_TRACE |
| 6101 | if (trace_filename) { |
| 6102 | trace_init(trace_filename); |
| 6103 | #if 0 |
| 6104 | // We don't need the dcache code until we can get load and store tracing |
| 6105 | // working again. |
| 6106 | dcache_init(dcache_size, dcache_ways, dcache_line_size, |
| 6107 | dcache_replace_policy, dcache_load_miss_penalty, |
| 6108 | dcache_store_miss_penalty); |
| 6109 | #endif |
| 6110 | fprintf(stderr, "-- When done tracing, exit the emulator. --\n"); |
| 6111 | } |
| 6112 | #endif |
| 6113 | |
| 6114 | machine->init(ram_size, boot_devices, |
| 6115 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
| 6116 | |
| 6117 | |
| 6118 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
| 6119 | for (i = 0; i < nb_numa_nodes; i++) { |
| 6120 | if (node_cpumask[i] & (1 << env->cpu_index)) { |
| 6121 | env->numa_node = i; |
| 6122 | } |
| 6123 | } |
| 6124 | } |
| 6125 | |
| 6126 | current_machine = machine; |
| 6127 | |
| 6128 | /* Set KVM's vcpu state to qemu's initial CPUState. */ |
| 6129 | if (kvm_enabled()) { |
| 6130 | int ret; |
| 6131 | |
| 6132 | ret = kvm_sync_vcpus(); |
| 6133 | if (ret < 0) { |
| 6134 | fprintf(stderr, "failed to initialize vcpus\n"); |
| 6135 | exit(1); |
| 6136 | } |
| 6137 | } |
| 6138 | |
| 6139 | /* init USB devices */ |
| 6140 | if (usb_enabled) { |
| 6141 | for(i = 0; i < usb_devices_index; i++) { |
| 6142 | if (usb_device_add(usb_devices[i], 0) < 0) { |
| 6143 | fprintf(stderr, "Warning: could not add USB device %s\n", |
| 6144 | usb_devices[i]); |
| 6145 | } |
| 6146 | } |
| 6147 | } |
| 6148 | |
| 6149 | if (!display_state) |
| 6150 | dumb_display_init(); |
| 6151 | /* just use the first displaystate for the moment */ |
| 6152 | ds = display_state; |
| 6153 | |
| 6154 | if (display_type == DT_DEFAULT) { |
| 6155 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) |
| 6156 | display_type = DT_SDL; |
| 6157 | #else |
| 6158 | display_type = DT_VNC; |
| 6159 | vnc_display = "localhost:0,to=99"; |
| 6160 | show_vnc_port = 1; |
| 6161 | #endif |
| 6162 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame^] | 6163 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6164 | |
| 6165 | switch (display_type) { |
| 6166 | case DT_NOGRAPHIC: |
| 6167 | break; |
| 6168 | #if defined(CONFIG_CURSES) |
| 6169 | case DT_CURSES: |
| 6170 | curses_display_init(ds, full_screen); |
| 6171 | break; |
| 6172 | #endif |
| 6173 | #if defined(CONFIG_SDL) |
| 6174 | case DT_SDL: |
| 6175 | sdl_display_init(ds, full_screen, no_frame); |
| 6176 | break; |
| 6177 | #elif defined(CONFIG_COCOA) |
| 6178 | case DT_SDL: |
| 6179 | cocoa_display_init(ds, full_screen); |
| 6180 | break; |
| 6181 | #endif |
| 6182 | case DT_VNC: |
| 6183 | vnc_display_init(ds); |
| 6184 | if (vnc_display_open(ds, vnc_display) < 0) |
| 6185 | exit(1); |
| 6186 | |
| 6187 | if (show_vnc_port) { |
| 6188 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); |
| 6189 | } |
| 6190 | break; |
| 6191 | default: |
| 6192 | break; |
| 6193 | } |
| 6194 | dpy_resize(ds); |
| 6195 | |
| 6196 | dcl = ds->listeners; |
| 6197 | while (dcl != NULL) { |
| 6198 | if (dcl->dpy_refresh != NULL) { |
| 6199 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); |
| 6200 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); |
| 6201 | } |
| 6202 | dcl = dcl->next; |
| 6203 | } |
| 6204 | |
| 6205 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
| 6206 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
| 6207 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); |
| 6208 | } |
| 6209 | |
| 6210 | text_consoles_set_display(display_state); |
| 6211 | qemu_chr_initial_reset(); |
| 6212 | |
| 6213 | if (monitor_device && monitor_hd) |
| 6214 | monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT); |
| 6215 | |
| 6216 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 6217 | const char *devname = serial_devices[i]; |
| 6218 | if (devname && strcmp(devname, "none")) { |
| 6219 | if (strstart(devname, "vc", 0)) |
| 6220 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); |
| 6221 | } |
| 6222 | } |
| 6223 | |
| 6224 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 6225 | const char *devname = parallel_devices[i]; |
| 6226 | if (devname && strcmp(devname, "none")) { |
| 6227 | if (strstart(devname, "vc", 0)) |
| 6228 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); |
| 6229 | } |
| 6230 | } |
| 6231 | |
| 6232 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
| 6233 | const char *devname = virtio_consoles[i]; |
| 6234 | if (virtcon_hds[i] && devname) { |
| 6235 | if (strstart(devname, "vc", 0)) |
| 6236 | qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i); |
| 6237 | } |
| 6238 | } |
| 6239 | |
| 6240 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
| 6241 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", |
| 6242 | gdbstub_dev); |
| 6243 | exit(1); |
| 6244 | } |
| 6245 | |
| 6246 | if (loadvm) |
| 6247 | do_loadvm(cur_mon, loadvm); |
| 6248 | |
| 6249 | /* call android-specific setup function */ |
| 6250 | android_emulation_setup(); |
| 6251 | |
| 6252 | if (incoming) { |
| 6253 | autostart = 0; /* fixme how to deal with -daemonize */ |
| 6254 | qemu_start_incoming_migration(incoming); |
| 6255 | } |
| 6256 | |
| 6257 | if (autostart) |
| 6258 | vm_start(); |
| 6259 | |
| 6260 | #ifndef _WIN32 |
| 6261 | if (daemonize) { |
| 6262 | uint8_t status = 0; |
| 6263 | ssize_t len; |
| 6264 | |
| 6265 | again1: |
| 6266 | len = write(fds[1], &status, 1); |
| 6267 | if (len == -1 && (errno == EINTR)) |
| 6268 | goto again1; |
| 6269 | |
| 6270 | if (len != 1) |
| 6271 | exit(1); |
| 6272 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 6273 | if (chdir("/")) { |
| 6274 | perror("not able to chdir to /"); |
| 6275 | exit(1); |
| 6276 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6277 | TFR(fd = open("/dev/null", O_RDWR)); |
| 6278 | if (fd == -1) |
| 6279 | exit(1); |
| 6280 | } |
| 6281 | |
| 6282 | if (run_as) { |
| 6283 | pwd = getpwnam(run_as); |
| 6284 | if (!pwd) { |
| 6285 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); |
| 6286 | exit(1); |
| 6287 | } |
| 6288 | } |
| 6289 | |
| 6290 | if (chroot_dir) { |
| 6291 | if (chroot(chroot_dir) < 0) { |
| 6292 | fprintf(stderr, "chroot failed\n"); |
| 6293 | exit(1); |
| 6294 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 6295 | if (chdir("/")) { |
| 6296 | perror("not able to chdir to /"); |
| 6297 | exit(1); |
| 6298 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6299 | } |
| 6300 | |
| 6301 | if (run_as) { |
| 6302 | if (setgid(pwd->pw_gid) < 0) { |
| 6303 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); |
| 6304 | exit(1); |
| 6305 | } |
| 6306 | if (setuid(pwd->pw_uid) < 0) { |
| 6307 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); |
| 6308 | exit(1); |
| 6309 | } |
| 6310 | if (setuid(0) != -1) { |
| 6311 | fprintf(stderr, "Dropping privileges failed\n"); |
| 6312 | exit(1); |
| 6313 | } |
| 6314 | } |
| 6315 | |
| 6316 | if (daemonize) { |
| 6317 | dup2(fd, 0); |
| 6318 | dup2(fd, 1); |
| 6319 | dup2(fd, 2); |
| 6320 | |
| 6321 | close(fd); |
| 6322 | } |
| 6323 | #endif |
| 6324 | |
| 6325 | main_loop(); |
| 6326 | quit_timers(); |
| 6327 | net_cleanup(); |
| 6328 | android_emulation_teardown(); |
| 6329 | return 0; |
| 6330 | } |