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" |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 52 | #include "modem_driver.h" |
| 53 | #include "android/gps.h" |
| 54 | #include "android/hw-qemud.h" |
| 55 | #include "android/hw-kmsg.h" |
Vladimir Chtchetkine | eb83825 | 2010-07-15 12:27:56 -0700 | [diff] [blame] | 56 | #include "android/charmap.h" |
Vladimir Chtchetkine | 074d1f9 | 2010-08-06 09:29:50 -0700 | [diff] [blame] | 57 | #include "android/globals.h" |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 58 | #include "targphys.h" |
| 59 | |
Vladimir Chtchetkine | b5365f3 | 2010-08-09 13:33:57 -0700 | [diff] [blame^] | 60 | #ifdef CONFIG_MEMCHECK |
| 61 | #include "memcheck/memcheck.h" |
| 62 | #endif // CONFIG_MEMCHECK |
| 63 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 64 | #include <unistd.h> |
| 65 | #include <fcntl.h> |
| 66 | #include <signal.h> |
| 67 | #include <time.h> |
| 68 | #include <errno.h> |
| 69 | #include <sys/time.h> |
| 70 | #include <zlib.h> |
| 71 | |
David 'Digit' Turner | 2c538c8 | 2010-05-10 16:48:20 -0700 | [diff] [blame] | 72 | /* Needed early for CONFIG_BSD etc. */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 73 | #include "config-host.h" |
| 74 | |
| 75 | #ifndef _WIN32 |
| 76 | #include <libgen.h> |
| 77 | #include <pwd.h> |
| 78 | #include <sys/times.h> |
| 79 | #include <sys/wait.h> |
| 80 | #include <termios.h> |
| 81 | #include <sys/mman.h> |
| 82 | #include <sys/ioctl.h> |
| 83 | #include <sys/resource.h> |
| 84 | #include <sys/socket.h> |
| 85 | #include <netinet/in.h> |
| 86 | #include <net/if.h> |
| 87 | #if defined(__NetBSD__) |
| 88 | #include <net/if_tap.h> |
| 89 | #endif |
| 90 | #ifdef __linux__ |
| 91 | #include <linux/if_tun.h> |
| 92 | #endif |
| 93 | #include <arpa/inet.h> |
| 94 | #include <dirent.h> |
| 95 | #include <netdb.h> |
| 96 | #include <sys/select.h> |
David 'Digit' Turner | 2c538c8 | 2010-05-10 16:48:20 -0700 | [diff] [blame] | 97 | #ifdef CONFIG_BSD |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 98 | #include <sys/stat.h> |
| 99 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
| 100 | #include <libutil.h> |
| 101 | #else |
| 102 | #include <util.h> |
| 103 | #endif |
| 104 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
| 105 | #include <freebsd/stdlib.h> |
| 106 | #else |
| 107 | #ifdef __linux__ |
| 108 | #include <pty.h> |
| 109 | #include <malloc.h> |
| 110 | #include <linux/rtc.h> |
| 111 | |
| 112 | /* For the benefit of older linux systems which don't supply it, |
| 113 | we use a local copy of hpet.h. */ |
| 114 | /* #include <linux/hpet.h> */ |
| 115 | #include "hpet.h" |
| 116 | |
| 117 | #include <linux/ppdev.h> |
| 118 | #include <linux/parport.h> |
| 119 | #endif |
| 120 | #ifdef __sun__ |
| 121 | #include <sys/stat.h> |
| 122 | #include <sys/ethernet.h> |
| 123 | #include <sys/sockio.h> |
| 124 | #include <netinet/arp.h> |
| 125 | #include <netinet/in.h> |
| 126 | #include <netinet/in_systm.h> |
| 127 | #include <netinet/ip.h> |
| 128 | #include <netinet/ip_icmp.h> // must come after ip.h |
| 129 | #include <netinet/udp.h> |
| 130 | #include <netinet/tcp.h> |
| 131 | #include <net/if.h> |
| 132 | #include <syslog.h> |
| 133 | #include <stropts.h> |
| 134 | #endif |
| 135 | #endif |
| 136 | #endif |
| 137 | |
| 138 | #if defined(__OpenBSD__) |
| 139 | #include <util.h> |
| 140 | #endif |
| 141 | |
| 142 | #if defined(CONFIG_VDE) |
| 143 | #include <libvdeplug.h> |
| 144 | #endif |
| 145 | |
| 146 | #ifdef _WIN32 |
| 147 | #include <windows.h> |
| 148 | #include <malloc.h> |
| 149 | #include <sys/timeb.h> |
| 150 | #include <mmsystem.h> |
| 151 | #define getopt_long_only getopt_long |
| 152 | #define memalign(align, size) malloc(size) |
| 153 | #endif |
| 154 | |
| 155 | |
| 156 | #ifdef CONFIG_COCOA |
| 157 | #undef main |
| 158 | #define main qemu_main |
| 159 | #endif /* CONFIG_COCOA */ |
| 160 | |
| 161 | #include "hw/hw.h" |
| 162 | #include "hw/boards.h" |
| 163 | #include "hw/usb.h" |
| 164 | #include "hw/pcmcia.h" |
| 165 | #include "hw/pc.h" |
| 166 | #include "hw/audiodev.h" |
| 167 | #include "hw/isa.h" |
| 168 | #include "hw/baum.h" |
| 169 | #include "hw/bt.h" |
| 170 | #include "hw/watchdog.h" |
| 171 | #include "hw/smbios.h" |
| 172 | #include "hw/xen.h" |
| 173 | #include "bt-host.h" |
| 174 | #include "net.h" |
| 175 | #include "monitor.h" |
| 176 | #include "console.h" |
| 177 | #include "sysemu.h" |
| 178 | #include "gdbstub.h" |
| 179 | #include "qemu-timer.h" |
| 180 | #include "qemu-char.h" |
| 181 | #include "cache-utils.h" |
| 182 | #include "block.h" |
| 183 | #include "dma.h" |
| 184 | #include "audio/audio.h" |
| 185 | #include "migration.h" |
| 186 | #include "kvm.h" |
| 187 | #include "balloon.h" |
| 188 | |
Vladimir Chtchetkine | eb83825 | 2010-07-15 12:27:56 -0700 | [diff] [blame] | 189 | #ifdef CONFIG_STANDALONE_CORE |
| 190 | /* Verbose value used by the standalone emulator core (without UI) */ |
| 191 | unsigned long android_verbose; |
| 192 | #endif // CONFIG_STANDALONE_CORE |
| 193 | |
Vladimir Chtchetkine | 43552dc | 2010-07-22 11:23:19 -0700 | [diff] [blame] | 194 | #if defined(CONFIG_SKINS) && !defined(CONFIG_STANDALONE_CORE) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 195 | #undef main |
| 196 | #define main qemu_main |
| 197 | #endif |
| 198 | |
| 199 | #include "disas.h" |
| 200 | |
| 201 | #include "exec-all.h" |
| 202 | |
| 203 | #ifdef CONFIG_TRACE |
| 204 | #include "trace.h" |
| 205 | #include "dcache.h" |
| 206 | #endif |
| 207 | |
| 208 | #include "qemu_socket.h" |
| 209 | |
| 210 | #if defined(CONFIG_SLIRP) |
| 211 | #include "libslirp.h" |
| 212 | #endif |
| 213 | |
| 214 | //#define DEBUG_UNUSED_IOPORT |
| 215 | //#define DEBUG_IOPORT |
| 216 | //#define DEBUG_NET |
| 217 | //#define DEBUG_SLIRP |
| 218 | |
| 219 | |
| 220 | #ifdef DEBUG_IOPORT |
| 221 | # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__) |
| 222 | #else |
| 223 | # define LOG_IOPORT(...) do { } while (0) |
| 224 | #endif |
| 225 | |
| 226 | #define DEFAULT_RAM_SIZE 128 |
| 227 | |
| 228 | /* Max number of USB devices that can be specified on the commandline. */ |
| 229 | #define MAX_USB_CMDLINE 8 |
| 230 | |
| 231 | /* Max number of bluetooth switches on the commandline. */ |
| 232 | #define MAX_BT_CMDLINE 10 |
| 233 | |
| 234 | /* XXX: use a two level table to limit memory usage */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 235 | |
| 236 | static const char *data_dir; |
| 237 | const char *bios_name = NULL; |
| 238 | static void *ioport_opaque[MAX_IOPORTS]; |
| 239 | static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
| 240 | static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; |
| 241 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
| 242 | to store the VM snapshots */ |
| 243 | DriveInfo drives_table[MAX_DRIVES+1]; |
| 244 | int nb_drives; |
| 245 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
| 246 | static DisplayState *display_state; |
| 247 | DisplayType display_type = DT_DEFAULT; |
| 248 | const char* keyboard_layout = NULL; |
| 249 | int64_t ticks_per_sec; |
| 250 | ram_addr_t ram_size; |
| 251 | int nb_nics; |
| 252 | NICInfo nd_table[MAX_NICS]; |
| 253 | int vm_running; |
| 254 | static int autostart; |
| 255 | static int rtc_utc = 1; |
| 256 | static int rtc_date_offset = -1; /* -1 means no change */ |
| 257 | int cirrus_vga_enabled = 1; |
| 258 | int std_vga_enabled = 0; |
| 259 | int vmsvga_enabled = 0; |
| 260 | int xenfb_enabled = 0; |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 261 | QEMUClock *rtc_clock; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 262 | #ifdef TARGET_SPARC |
| 263 | int graphic_width = 1024; |
| 264 | int graphic_height = 768; |
| 265 | int graphic_depth = 8; |
| 266 | #else |
| 267 | int graphic_width = 800; |
| 268 | int graphic_height = 600; |
| 269 | int graphic_depth = 15; |
| 270 | #endif |
| 271 | static int full_screen = 0; |
| 272 | #ifdef CONFIG_SDL |
| 273 | static int no_frame = 0; |
| 274 | #endif |
| 275 | int no_quit = 0; |
| 276 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
| 277 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
| 278 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
| 279 | #ifdef TARGET_I386 |
| 280 | int win2k_install_hack = 0; |
| 281 | int rtc_td_hack = 0; |
| 282 | #endif |
| 283 | int usb_enabled = 0; |
| 284 | int singlestep = 0; |
| 285 | int smp_cpus = 1; |
| 286 | const char *vnc_display; |
| 287 | int acpi_enabled = 1; |
| 288 | int no_hpet = 0; |
| 289 | int no_virtio_balloon = 0; |
| 290 | int fd_bootchk = 1; |
| 291 | int no_reboot = 0; |
| 292 | int no_shutdown = 0; |
| 293 | int cursor_hide = 1; |
| 294 | int graphic_rotate = 0; |
| 295 | #ifndef _WIN32 |
| 296 | int daemonize = 0; |
| 297 | #endif |
| 298 | WatchdogTimerModel *watchdog = NULL; |
| 299 | int watchdog_action = WDT_RESET; |
| 300 | const char *option_rom[MAX_OPTION_ROMS]; |
| 301 | int nb_option_roms; |
| 302 | int semihosting_enabled = 0; |
| 303 | #ifdef TARGET_ARM |
| 304 | int old_param = 0; |
| 305 | #endif |
| 306 | const char *qemu_name; |
| 307 | int alt_grab = 0; |
| 308 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
| 309 | unsigned int nb_prom_envs = 0; |
| 310 | const char *prom_envs[MAX_PROM_ENVS]; |
| 311 | #endif |
| 312 | int nb_drives_opt; |
| 313 | struct drive_opt drives_opt[MAX_DRIVES]; |
| 314 | |
| 315 | int nb_numa_nodes; |
| 316 | uint64_t node_mem[MAX_NODES]; |
| 317 | uint64_t node_cpumask[MAX_NODES]; |
| 318 | |
| 319 | static CPUState *cur_cpu; |
| 320 | static CPUState *next_cpu; |
| 321 | static int timer_alarm_pending = 1; |
| 322 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
| 323 | static int icount_time_shift; |
| 324 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
| 325 | #define MAX_ICOUNT_SHIFT 10 |
| 326 | /* Compensate for varying guest execution speed. */ |
| 327 | static int64_t qemu_icount_bias; |
| 328 | static QEMUTimer *icount_rt_timer; |
| 329 | static QEMUTimer *icount_vm_timer; |
| 330 | static QEMUTimer *nographic_timer; |
| 331 | |
| 332 | uint8_t qemu_uuid[16]; |
| 333 | |
| 334 | |
| 335 | extern int qemu_cpu_delay; |
| 336 | extern char* audio_input_source; |
| 337 | |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 338 | extern char* android_op_ports; |
| 339 | extern char* android_op_port; |
| 340 | extern char* android_op_report_console; |
| 341 | extern char* op_http_proxy; |
Vladimir Chtchetkine | 43552dc | 2010-07-22 11:23:19 -0700 | [diff] [blame] | 342 | // Path to the file containing specific key character map. |
| 343 | char* op_charmap_file = NULL; |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 344 | |
Vladimir Chtchetkine | dd50f7d | 2010-07-30 09:16:41 -0700 | [diff] [blame] | 345 | /* Framebuffer dimensions, passed with -android-gui option. */ |
| 346 | char* android_op_gui = NULL; |
| 347 | |
Vladimir Chtchetkine | 074d1f9 | 2010-08-06 09:29:50 -0700 | [diff] [blame] | 348 | /* Path to hardware initialization file passed with -android-hw option. */ |
| 349 | char* android_op_hwini = NULL; |
| 350 | |
Vladimir Chtchetkine | b5365f3 | 2010-08-09 13:33:57 -0700 | [diff] [blame^] | 351 | /* Memory checker options. */ |
| 352 | char* android_op_memcheck = NULL; |
| 353 | |
Vladimir Chtchetkine | dd50f7d | 2010-07-30 09:16:41 -0700 | [diff] [blame] | 354 | extern int android_display_width; |
| 355 | extern int android_display_height; |
| 356 | extern int android_display_bpp; |
| 357 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 358 | extern void dprint( const char* format, ... ); |
| 359 | |
| 360 | #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
| 361 | |
| 362 | /***********************************************************/ |
| 363 | /* x86 ISA bus support */ |
| 364 | |
| 365 | target_phys_addr_t isa_mem_base = 0; |
| 366 | PicState2 *isa_pic; |
| 367 | |
| 368 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; |
| 369 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; |
| 370 | |
| 371 | static uint32_t ioport_read(int index, uint32_t address) |
| 372 | { |
| 373 | static IOPortReadFunc *default_func[3] = { |
| 374 | default_ioport_readb, |
| 375 | default_ioport_readw, |
| 376 | default_ioport_readl |
| 377 | }; |
| 378 | IOPortReadFunc *func = ioport_read_table[index][address]; |
| 379 | if (!func) |
| 380 | func = default_func[index]; |
| 381 | return func(ioport_opaque[address], address); |
| 382 | } |
| 383 | |
| 384 | static void ioport_write(int index, uint32_t address, uint32_t data) |
| 385 | { |
| 386 | static IOPortWriteFunc *default_func[3] = { |
| 387 | default_ioport_writeb, |
| 388 | default_ioport_writew, |
| 389 | default_ioport_writel |
| 390 | }; |
| 391 | IOPortWriteFunc *func = ioport_write_table[index][address]; |
| 392 | if (!func) |
| 393 | func = default_func[index]; |
| 394 | func(ioport_opaque[address], address, data); |
| 395 | } |
| 396 | |
| 397 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) |
| 398 | { |
| 399 | #ifdef DEBUG_UNUSED_IOPORT |
| 400 | fprintf(stderr, "unused inb: port=0x%04x\n", address); |
| 401 | #endif |
| 402 | return 0xff; |
| 403 | } |
| 404 | |
| 405 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
| 406 | { |
| 407 | #ifdef DEBUG_UNUSED_IOPORT |
| 408 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); |
| 409 | #endif |
| 410 | } |
| 411 | |
| 412 | /* default is to make two byte accesses */ |
| 413 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) |
| 414 | { |
| 415 | uint32_t data; |
| 416 | data = ioport_read(0, address); |
| 417 | address = (address + 1) & (MAX_IOPORTS - 1); |
| 418 | data |= ioport_read(0, address) << 8; |
| 419 | return data; |
| 420 | } |
| 421 | |
| 422 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
| 423 | { |
| 424 | ioport_write(0, address, data & 0xff); |
| 425 | address = (address + 1) & (MAX_IOPORTS - 1); |
| 426 | ioport_write(0, address, (data >> 8) & 0xff); |
| 427 | } |
| 428 | |
| 429 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) |
| 430 | { |
| 431 | #ifdef DEBUG_UNUSED_IOPORT |
| 432 | fprintf(stderr, "unused inl: port=0x%04x\n", address); |
| 433 | #endif |
| 434 | return 0xffffffff; |
| 435 | } |
| 436 | |
| 437 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
| 438 | { |
| 439 | #ifdef DEBUG_UNUSED_IOPORT |
| 440 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); |
| 441 | #endif |
| 442 | } |
| 443 | |
Vladimir Chtchetkine | dd50f7d | 2010-07-30 09:16:41 -0700 | [diff] [blame] | 444 | /* Parses -android-gui command line option, extracting width, height and bits |
| 445 | * per pixel parameters for the GUI console used in this session of the |
| 446 | * emulator. -android-gui option contains exactly three comma-separated positive |
| 447 | * integer numbers in strict order: width goes first, width goes next, and bits |
| 448 | * per pixel goes third. This routine verifies that format and return 0 if all |
| 449 | * three numbers were extracted, or -1 if string format was incorrect for that |
| 450 | * option. Note that this routine does not verify that extracted values are |
| 451 | * correct! |
| 452 | */ |
| 453 | static int |
| 454 | parse_androig_gui_option(const char* op, int* width, int* height, int* bpp) |
| 455 | { |
| 456 | char val[128]; |
| 457 | |
| 458 | if (get_param_value(val, 128, "width", op)) { |
| 459 | *width = strtol(val, NULL, 0); |
| 460 | } else { |
| 461 | fprintf(stderr, "option -android-gui is missing width parameter\n"); |
| 462 | return -1; |
| 463 | } |
| 464 | if (get_param_value(val, 128, "height", op)) { |
| 465 | *height = strtol(val, NULL, 0); |
| 466 | } else { |
| 467 | fprintf(stderr, "option -android-gui is missing height parameter\n"); |
| 468 | return -1; |
| 469 | } |
| 470 | if (get_param_value(val, 128, "bpp", op)) { |
| 471 | *bpp = strtol(val, NULL, 0); |
| 472 | } else { |
| 473 | fprintf(stderr, "option -android-gui is missing bpp parameter\n"); |
| 474 | return -1; |
| 475 | } |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 480 | /***********************************************************/ |
| 481 | void hw_error(const char *fmt, ...) |
| 482 | { |
| 483 | va_list ap; |
| 484 | CPUState *env; |
| 485 | |
| 486 | va_start(ap, fmt); |
| 487 | fprintf(stderr, "qemu: hardware error: "); |
| 488 | vfprintf(stderr, fmt, ap); |
| 489 | fprintf(stderr, "\n"); |
| 490 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
| 491 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); |
| 492 | #ifdef TARGET_I386 |
| 493 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
| 494 | #else |
| 495 | cpu_dump_state(env, stderr, fprintf, 0); |
| 496 | #endif |
| 497 | } |
| 498 | va_end(ap); |
| 499 | abort(); |
| 500 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 501 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 502 | static void set_proc_name(const char *s) |
| 503 | { |
| 504 | #if defined(__linux__) && defined(PR_SET_NAME) |
| 505 | char name[16]; |
| 506 | if (!s) |
| 507 | return; |
| 508 | name[sizeof(name) - 1] = 0; |
| 509 | strncpy(name, s, sizeof(name)); |
| 510 | /* Could rewrite argv[0] too, but that's a bit more complicated. |
| 511 | This simple way is enough for `top'. */ |
| 512 | prctl(PR_SET_NAME, name); |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 513 | #endif |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 514 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 515 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 516 | /***************/ |
| 517 | /* ballooning */ |
| 518 | |
| 519 | static QEMUBalloonEvent *qemu_balloon_event; |
| 520 | void *qemu_balloon_event_opaque; |
| 521 | |
| 522 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) |
| 523 | { |
| 524 | qemu_balloon_event = func; |
| 525 | qemu_balloon_event_opaque = opaque; |
| 526 | } |
| 527 | |
| 528 | void qemu_balloon(ram_addr_t target) |
| 529 | { |
| 530 | if (qemu_balloon_event) |
| 531 | qemu_balloon_event(qemu_balloon_event_opaque, target); |
| 532 | } |
| 533 | |
| 534 | ram_addr_t qemu_balloon_status(void) |
| 535 | { |
| 536 | if (qemu_balloon_event) |
| 537 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | /***********************************************************/ |
| 542 | /* keyboard/mouse */ |
| 543 | |
| 544 | static QEMUPutKBDEvent* qemu_put_kbd_event; |
| 545 | static void* qemu_put_kbd_event_opaque; |
| 546 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 547 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
| 548 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; |
| 549 | |
| 550 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
| 551 | { |
| 552 | qemu_put_kbd_event_opaque = opaque; |
| 553 | qemu_put_kbd_event = func; |
| 554 | } |
| 555 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 556 | #if 0 |
| 557 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) |
| 558 | { |
| 559 | qemu_put_mouse_event_opaque = opaque; |
| 560 | qemu_put_mouse_event = func; |
| 561 | qemu_put_mouse_event_absolute = absolute; |
| 562 | } |
| 563 | #else |
| 564 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
| 565 | void *opaque, int absolute, |
| 566 | const char *name) |
| 567 | { |
| 568 | QEMUPutMouseEntry *s, *cursor; |
| 569 | |
| 570 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); |
| 571 | if (!s) |
| 572 | return NULL; |
| 573 | |
| 574 | s->qemu_put_mouse_event = func; |
| 575 | s->qemu_put_mouse_event_opaque = opaque; |
| 576 | s->qemu_put_mouse_event_absolute = absolute; |
| 577 | s->qemu_put_mouse_event_name = qemu_strdup(name); |
| 578 | s->next = NULL; |
| 579 | |
| 580 | if (!qemu_put_mouse_event_head) { |
| 581 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; |
| 582 | return s; |
| 583 | } |
| 584 | |
| 585 | cursor = qemu_put_mouse_event_head; |
| 586 | while (cursor->next != NULL) |
| 587 | cursor = cursor->next; |
| 588 | |
| 589 | cursor->next = s; |
| 590 | qemu_put_mouse_event_current = s; |
| 591 | |
| 592 | return s; |
| 593 | } |
| 594 | |
| 595 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) |
| 596 | { |
| 597 | QEMUPutMouseEntry *prev = NULL, *cursor; |
| 598 | |
| 599 | if (!qemu_put_mouse_event_head || entry == NULL) |
| 600 | return; |
| 601 | |
| 602 | cursor = qemu_put_mouse_event_head; |
| 603 | while (cursor != NULL && cursor != entry) { |
| 604 | prev = cursor; |
| 605 | cursor = cursor->next; |
| 606 | } |
| 607 | |
| 608 | if (cursor == NULL) // does not exist or list empty |
| 609 | return; |
| 610 | else if (prev == NULL) { // entry is head |
| 611 | qemu_put_mouse_event_head = cursor->next; |
| 612 | if (qemu_put_mouse_event_current == entry) |
| 613 | qemu_put_mouse_event_current = cursor->next; |
| 614 | qemu_free(entry->qemu_put_mouse_event_name); |
| 615 | qemu_free(entry); |
| 616 | return; |
| 617 | } |
| 618 | |
| 619 | prev->next = entry->next; |
| 620 | |
| 621 | if (qemu_put_mouse_event_current == entry) |
| 622 | qemu_put_mouse_event_current = prev; |
| 623 | |
| 624 | qemu_free(entry->qemu_put_mouse_event_name); |
| 625 | qemu_free(entry); |
| 626 | } |
| 627 | #endif |
| 628 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 629 | void kbd_put_keycode(int keycode) |
| 630 | { |
| 631 | if (qemu_put_kbd_event) { |
| 632 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
| 633 | } |
| 634 | } |
| 635 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 636 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
| 637 | { |
| 638 | QEMUPutMouseEvent *mouse_event; |
| 639 | void *mouse_event_opaque; |
| 640 | int width; |
| 641 | |
| 642 | if (!qemu_put_mouse_event_current) { |
| 643 | return; |
| 644 | } |
| 645 | |
| 646 | mouse_event = |
| 647 | qemu_put_mouse_event_current->qemu_put_mouse_event; |
| 648 | mouse_event_opaque = |
| 649 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; |
| 650 | |
| 651 | if (mouse_event) { |
| 652 | if (graphic_rotate) { |
| 653 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) |
| 654 | width = 0x7fff; |
| 655 | else |
| 656 | width = graphic_width - 1; |
| 657 | mouse_event(mouse_event_opaque, |
| 658 | width - dy, dx, dz, buttons_state); |
| 659 | } else |
| 660 | mouse_event(mouse_event_opaque, |
| 661 | dx, dy, dz, buttons_state); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | int kbd_mouse_is_absolute(void) |
| 666 | { |
| 667 | if (!qemu_put_mouse_event_current) |
| 668 | return 0; |
| 669 | |
| 670 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; |
| 671 | } |
| 672 | |
| 673 | void do_info_mice(Monitor *mon) |
| 674 | { |
| 675 | QEMUPutMouseEntry *cursor; |
| 676 | int index = 0; |
| 677 | |
| 678 | if (!qemu_put_mouse_event_head) { |
| 679 | monitor_printf(mon, "No mouse devices connected\n"); |
| 680 | return; |
| 681 | } |
| 682 | |
| 683 | monitor_printf(mon, "Mouse devices available:\n"); |
| 684 | cursor = qemu_put_mouse_event_head; |
| 685 | while (cursor != NULL) { |
| 686 | monitor_printf(mon, "%c Mouse #%d: %s\n", |
| 687 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), |
| 688 | index, cursor->qemu_put_mouse_event_name); |
| 689 | index++; |
| 690 | cursor = cursor->next; |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | void do_mouse_set(Monitor *mon, int index) |
| 695 | { |
| 696 | QEMUPutMouseEntry *cursor; |
| 697 | int i = 0; |
| 698 | |
| 699 | if (!qemu_put_mouse_event_head) { |
| 700 | monitor_printf(mon, "No mouse devices connected\n"); |
| 701 | return; |
| 702 | } |
| 703 | |
| 704 | cursor = qemu_put_mouse_event_head; |
| 705 | while (cursor != NULL && index != i) { |
| 706 | i++; |
| 707 | cursor = cursor->next; |
| 708 | } |
| 709 | |
| 710 | if (cursor != NULL) |
| 711 | qemu_put_mouse_event_current = cursor; |
| 712 | else |
| 713 | monitor_printf(mon, "Mouse at given index not found\n"); |
| 714 | } |
| 715 | |
| 716 | /* compute with 96 bit intermediate result: (a*b)/c */ |
| 717 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| 718 | { |
| 719 | union { |
| 720 | uint64_t ll; |
| 721 | struct { |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 722 | #ifdef HOST_WORDS_BIGENDIAN |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 723 | uint32_t high, low; |
| 724 | #else |
| 725 | uint32_t low, high; |
| 726 | #endif |
| 727 | } l; |
| 728 | } u, res; |
| 729 | uint64_t rl, rh; |
| 730 | |
| 731 | u.ll = a; |
| 732 | rl = (uint64_t)u.l.low * (uint64_t)b; |
| 733 | rh = (uint64_t)u.l.high * (uint64_t)b; |
| 734 | rh += (rl >> 32); |
| 735 | res.l.high = rh / c; |
| 736 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| 737 | return res.ll; |
| 738 | } |
| 739 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 740 | static int64_t get_clock_realtime(void) |
| 741 | { |
| 742 | struct timeval tv; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 743 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 744 | gettimeofday(&tv, NULL); |
| 745 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
| 746 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 747 | |
| 748 | #ifdef WIN32 |
| 749 | |
| 750 | static int64_t clock_freq; |
| 751 | |
| 752 | static void init_get_clock(void) |
| 753 | { |
| 754 | LARGE_INTEGER freq; |
| 755 | int ret; |
| 756 | ret = QueryPerformanceFrequency(&freq); |
| 757 | if (ret == 0) { |
| 758 | fprintf(stderr, "Could not calibrate ticks\n"); |
| 759 | exit(1); |
| 760 | } |
| 761 | clock_freq = freq.QuadPart; |
| 762 | } |
| 763 | |
| 764 | static int64_t get_clock(void) |
| 765 | { |
| 766 | LARGE_INTEGER ti; |
| 767 | QueryPerformanceCounter(&ti); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 768 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | #else |
| 772 | |
| 773 | static int use_rt_clock; |
| 774 | |
| 775 | static void init_get_clock(void) |
| 776 | { |
| 777 | use_rt_clock = 0; |
| 778 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 779 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 780 | { |
| 781 | struct timespec ts; |
| 782 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
| 783 | use_rt_clock = 1; |
| 784 | } |
| 785 | } |
| 786 | #endif |
| 787 | } |
| 788 | |
| 789 | static int64_t get_clock(void) |
| 790 | { |
| 791 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 792 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 793 | if (use_rt_clock) { |
| 794 | struct timespec ts; |
| 795 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 796 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; |
| 797 | } else |
| 798 | #endif |
| 799 | { |
| 800 | /* XXX: using gettimeofday leads to problems if the date |
| 801 | changes, so it should be avoided. */ |
| 802 | struct timeval tv; |
| 803 | gettimeofday(&tv, NULL); |
| 804 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); |
| 805 | } |
| 806 | } |
| 807 | #endif |
| 808 | |
| 809 | /* Return the virtual CPU time, based on the instruction counter. */ |
| 810 | static int64_t cpu_get_icount(void) |
| 811 | { |
| 812 | int64_t icount; |
| 813 | CPUState *env = cpu_single_env;; |
| 814 | icount = qemu_icount; |
| 815 | if (env) { |
| 816 | if (!can_do_io(env)) |
| 817 | fprintf(stderr, "Bad clock read\n"); |
| 818 | icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 819 | } |
| 820 | return qemu_icount_bias + (icount << icount_time_shift); |
| 821 | } |
| 822 | |
| 823 | /***********************************************************/ |
| 824 | /* guest cycle counter */ |
| 825 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 826 | typedef struct TimersState { |
| 827 | int64_t cpu_ticks_prev; |
| 828 | int64_t cpu_ticks_offset; |
| 829 | int64_t cpu_clock_offset; |
| 830 | int32_t cpu_ticks_enabled; |
| 831 | int64_t dummy; |
| 832 | } TimersState; |
| 833 | |
| 834 | TimersState timers_state; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 835 | |
| 836 | /* return the host CPU cycle counter and handle stop/restart */ |
| 837 | int64_t cpu_get_ticks(void) |
| 838 | { |
| 839 | if (use_icount) { |
| 840 | return cpu_get_icount(); |
| 841 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 842 | if (!timers_state.cpu_ticks_enabled) { |
| 843 | return timers_state.cpu_ticks_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 844 | } else { |
| 845 | int64_t ticks; |
| 846 | ticks = cpu_get_real_ticks(); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 847 | if (timers_state.cpu_ticks_prev > ticks) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 848 | /* Note: non increasing ticks may happen if the host uses |
| 849 | software suspend */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 850 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 851 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 852 | timers_state.cpu_ticks_prev = ticks; |
| 853 | return ticks + timers_state.cpu_ticks_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 854 | } |
| 855 | } |
| 856 | |
| 857 | /* return the host CPU monotonic timer and handle stop/restart */ |
| 858 | static int64_t cpu_get_clock(void) |
| 859 | { |
| 860 | int64_t ti; |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 861 | if (!timers_state.cpu_ticks_enabled) { |
| 862 | return timers_state.cpu_clock_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 863 | } else { |
| 864 | ti = get_clock(); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 865 | return ti + timers_state.cpu_clock_offset; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 866 | } |
| 867 | } |
| 868 | |
| 869 | /* enable cpu_get_ticks() */ |
| 870 | void cpu_enable_ticks(void) |
| 871 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 872 | if (!timers_state.cpu_ticks_enabled) { |
| 873 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); |
| 874 | timers_state.cpu_clock_offset -= get_clock(); |
| 875 | timers_state.cpu_ticks_enabled = 1; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 876 | } |
| 877 | } |
| 878 | |
| 879 | /* disable cpu_get_ticks() : the clock is stopped. You must not call |
| 880 | cpu_get_ticks() after that. */ |
| 881 | void cpu_disable_ticks(void) |
| 882 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 883 | if (timers_state.cpu_ticks_enabled) { |
| 884 | timers_state.cpu_ticks_offset = cpu_get_ticks(); |
| 885 | timers_state.cpu_clock_offset = cpu_get_clock(); |
| 886 | timers_state.cpu_ticks_enabled = 0; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 887 | } |
| 888 | } |
| 889 | |
| 890 | /***********************************************************/ |
| 891 | /* timers */ |
| 892 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 893 | #define QEMU_CLOCK_REALTIME 0 |
| 894 | #define QEMU_CLOCK_VIRTUAL 1 |
| 895 | #define QEMU_CLOCK_HOST 2 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 896 | |
| 897 | struct QEMUClock { |
| 898 | int type; |
| 899 | /* XXX: add frequency */ |
| 900 | }; |
| 901 | |
| 902 | struct QEMUTimer { |
| 903 | QEMUClock *clock; |
| 904 | int64_t expire_time; |
| 905 | QEMUTimerCB *cb; |
| 906 | void *opaque; |
| 907 | struct QEMUTimer *next; |
| 908 | }; |
| 909 | |
| 910 | struct qemu_alarm_timer { |
| 911 | char const *name; |
| 912 | unsigned int flags; |
| 913 | |
| 914 | int (*start)(struct qemu_alarm_timer *t); |
| 915 | void (*stop)(struct qemu_alarm_timer *t); |
| 916 | void (*rearm)(struct qemu_alarm_timer *t); |
| 917 | void *priv; |
| 918 | }; |
| 919 | |
| 920 | #define ALARM_FLAG_DYNTICKS 0x1 |
| 921 | #define ALARM_FLAG_EXPIRED 0x2 |
| 922 | |
| 923 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) |
| 924 | { |
| 925 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
| 926 | } |
| 927 | |
| 928 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) |
| 929 | { |
| 930 | if (!alarm_has_dynticks(t)) |
| 931 | return; |
| 932 | |
| 933 | t->rearm(t); |
| 934 | } |
| 935 | |
| 936 | /* TODO: MIN_TIMER_REARM_US should be optimized */ |
| 937 | #define MIN_TIMER_REARM_US 250 |
| 938 | |
| 939 | static struct qemu_alarm_timer *alarm_timer; |
| 940 | |
| 941 | #ifdef _WIN32 |
| 942 | |
| 943 | struct qemu_alarm_win32 { |
| 944 | MMRESULT timerId; |
| 945 | unsigned int period; |
| 946 | } alarm_win32_data = {0, -1}; |
| 947 | |
| 948 | static int win32_start_timer(struct qemu_alarm_timer *t); |
| 949 | static void win32_stop_timer(struct qemu_alarm_timer *t); |
| 950 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
| 951 | |
| 952 | #else |
| 953 | |
| 954 | static int unix_start_timer(struct qemu_alarm_timer *t); |
| 955 | static void unix_stop_timer(struct qemu_alarm_timer *t); |
| 956 | |
| 957 | #ifdef __linux__ |
| 958 | |
| 959 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
| 960 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); |
| 961 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); |
| 962 | |
| 963 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
| 964 | static void hpet_stop_timer(struct qemu_alarm_timer *t); |
| 965 | |
| 966 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
| 967 | static void rtc_stop_timer(struct qemu_alarm_timer *t); |
| 968 | |
| 969 | #endif /* __linux__ */ |
| 970 | |
| 971 | #endif /* _WIN32 */ |
| 972 | |
| 973 | /* Correlation between real and virtual time is always going to be |
| 974 | fairly approximate, so ignore small variation. |
| 975 | When the guest is idle real and virtual time will be aligned in |
| 976 | the IO wait loop. */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 977 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 978 | |
| 979 | static void icount_adjust(void) |
| 980 | { |
| 981 | int64_t cur_time; |
| 982 | int64_t cur_icount; |
| 983 | int64_t delta; |
| 984 | static int64_t last_delta; |
| 985 | /* If the VM is not running, then do nothing. */ |
| 986 | if (!vm_running) |
| 987 | return; |
| 988 | |
| 989 | cur_time = cpu_get_clock(); |
| 990 | cur_icount = qemu_get_clock(vm_clock); |
| 991 | delta = cur_icount - cur_time; |
| 992 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ |
| 993 | if (delta > 0 |
| 994 | && last_delta + ICOUNT_WOBBLE < delta * 2 |
| 995 | && icount_time_shift > 0) { |
| 996 | /* The guest is getting too far ahead. Slow time down. */ |
| 997 | icount_time_shift--; |
| 998 | } |
| 999 | if (delta < 0 |
| 1000 | && last_delta - ICOUNT_WOBBLE > delta * 2 |
| 1001 | && icount_time_shift < MAX_ICOUNT_SHIFT) { |
| 1002 | /* The guest is getting too far behind. Speed time up. */ |
| 1003 | icount_time_shift++; |
| 1004 | } |
| 1005 | last_delta = delta; |
| 1006 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); |
| 1007 | } |
| 1008 | |
| 1009 | static void icount_adjust_rt(void * opaque) |
| 1010 | { |
| 1011 | qemu_mod_timer(icount_rt_timer, |
| 1012 | qemu_get_clock(rt_clock) + 1000); |
| 1013 | icount_adjust(); |
| 1014 | } |
| 1015 | |
| 1016 | static void icount_adjust_vm(void * opaque) |
| 1017 | { |
| 1018 | qemu_mod_timer(icount_vm_timer, |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1019 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1020 | icount_adjust(); |
| 1021 | } |
| 1022 | |
| 1023 | static void init_icount_adjust(void) |
| 1024 | { |
| 1025 | /* Have both realtime and virtual time triggers for speed adjustment. |
| 1026 | The realtime trigger catches emulated time passing too slowly, |
| 1027 | the virtual time trigger catches emulated time passing too fast. |
| 1028 | Realtime triggers occur even when idle, so use them less frequently |
| 1029 | than VM triggers. */ |
| 1030 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); |
| 1031 | qemu_mod_timer(icount_rt_timer, |
| 1032 | qemu_get_clock(rt_clock) + 1000); |
| 1033 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); |
| 1034 | qemu_mod_timer(icount_vm_timer, |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1035 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1036 | } |
| 1037 | |
| 1038 | static struct qemu_alarm_timer alarm_timers[] = { |
| 1039 | #ifndef _WIN32 |
| 1040 | #ifdef __linux__ |
| 1041 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
| 1042 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, |
| 1043 | /* HPET - if available - is preferred */ |
| 1044 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
| 1045 | /* ...otherwise try RTC */ |
| 1046 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
| 1047 | #endif |
| 1048 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
| 1049 | #else |
| 1050 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
| 1051 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, |
| 1052 | {"win32", 0, win32_start_timer, |
| 1053 | win32_stop_timer, NULL, &alarm_win32_data}, |
| 1054 | #endif |
| 1055 | {NULL, 0, NULL, NULL, NULL, NULL} |
| 1056 | }; |
| 1057 | |
| 1058 | static void show_available_alarms(void) |
| 1059 | { |
| 1060 | int i; |
| 1061 | |
| 1062 | printf("Available alarm timers, in order of precedence:\n"); |
| 1063 | for (i = 0; alarm_timers[i].name; i++) |
| 1064 | printf("%s\n", alarm_timers[i].name); |
| 1065 | } |
| 1066 | |
| 1067 | static void configure_alarms(char const *opt) |
| 1068 | { |
| 1069 | int i; |
| 1070 | int cur = 0; |
| 1071 | int count = ARRAY_SIZE(alarm_timers) - 1; |
| 1072 | char *arg; |
| 1073 | char *name; |
| 1074 | struct qemu_alarm_timer tmp; |
| 1075 | |
| 1076 | if (!strcmp(opt, "?")) { |
| 1077 | show_available_alarms(); |
| 1078 | exit(0); |
| 1079 | } |
| 1080 | |
| 1081 | arg = strdup(opt); |
| 1082 | |
| 1083 | /* Reorder the array */ |
| 1084 | name = strtok(arg, ","); |
| 1085 | while (name) { |
| 1086 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
| 1087 | if (!strcmp(alarm_timers[i].name, name)) |
| 1088 | break; |
| 1089 | } |
| 1090 | |
| 1091 | if (i == count) { |
| 1092 | fprintf(stderr, "Unknown clock %s\n", name); |
| 1093 | goto next; |
| 1094 | } |
| 1095 | |
| 1096 | if (i < cur) |
| 1097 | /* Ignore */ |
| 1098 | goto next; |
| 1099 | |
| 1100 | /* Swap */ |
| 1101 | tmp = alarm_timers[i]; |
| 1102 | alarm_timers[i] = alarm_timers[cur]; |
| 1103 | alarm_timers[cur] = tmp; |
| 1104 | |
| 1105 | cur++; |
| 1106 | next: |
| 1107 | name = strtok(NULL, ","); |
| 1108 | } |
| 1109 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1110 | qemu_free(arg); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1111 | |
| 1112 | if (cur) { |
| 1113 | /* Disable remaining timers */ |
| 1114 | for (i = cur; i < count; i++) |
| 1115 | alarm_timers[i].name = NULL; |
| 1116 | } else { |
| 1117 | show_available_alarms(); |
| 1118 | exit(1); |
| 1119 | } |
| 1120 | } |
| 1121 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1122 | #define QEMU_NUM_CLOCKS 3 |
| 1123 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1124 | QEMUClock *rt_clock; |
| 1125 | QEMUClock *vm_clock; |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1126 | QEMUClock *host_clock; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1127 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1128 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1129 | |
| 1130 | static QEMUClock *qemu_new_clock(int type) |
| 1131 | { |
| 1132 | QEMUClock *clock; |
| 1133 | clock = qemu_mallocz(sizeof(QEMUClock)); |
| 1134 | clock->type = type; |
| 1135 | return clock; |
| 1136 | } |
| 1137 | |
| 1138 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) |
| 1139 | { |
| 1140 | QEMUTimer *ts; |
| 1141 | |
| 1142 | ts = qemu_mallocz(sizeof(QEMUTimer)); |
| 1143 | ts->clock = clock; |
| 1144 | ts->cb = cb; |
| 1145 | ts->opaque = opaque; |
| 1146 | return ts; |
| 1147 | } |
| 1148 | |
| 1149 | void qemu_free_timer(QEMUTimer *ts) |
| 1150 | { |
| 1151 | qemu_free(ts); |
| 1152 | } |
| 1153 | |
| 1154 | /* stop a timer, but do not dealloc it */ |
| 1155 | void qemu_del_timer(QEMUTimer *ts) |
| 1156 | { |
| 1157 | QEMUTimer **pt, *t; |
| 1158 | |
| 1159 | /* NOTE: this code must be signal safe because |
| 1160 | qemu_timer_expired() can be called from a signal. */ |
| 1161 | pt = &active_timers[ts->clock->type]; |
| 1162 | for(;;) { |
| 1163 | t = *pt; |
| 1164 | if (!t) |
| 1165 | break; |
| 1166 | if (t == ts) { |
| 1167 | *pt = t->next; |
| 1168 | break; |
| 1169 | } |
| 1170 | pt = &t->next; |
| 1171 | } |
| 1172 | } |
| 1173 | |
| 1174 | /* modify the current timer so that it will be fired when current_time |
| 1175 | >= expire_time. The corresponding callback will be called. */ |
| 1176 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) |
| 1177 | { |
| 1178 | QEMUTimer **pt, *t; |
| 1179 | |
| 1180 | qemu_del_timer(ts); |
| 1181 | |
| 1182 | /* add the timer in the sorted list */ |
| 1183 | /* NOTE: this code must be signal safe because |
| 1184 | qemu_timer_expired() can be called from a signal. */ |
| 1185 | pt = &active_timers[ts->clock->type]; |
| 1186 | for(;;) { |
| 1187 | t = *pt; |
| 1188 | if (!t) |
| 1189 | break; |
| 1190 | if (t->expire_time > expire_time) |
| 1191 | break; |
| 1192 | pt = &t->next; |
| 1193 | } |
| 1194 | ts->expire_time = expire_time; |
| 1195 | ts->next = *pt; |
| 1196 | *pt = ts; |
| 1197 | |
| 1198 | /* Rearm if necessary */ |
| 1199 | if (pt == &active_timers[ts->clock->type]) { |
| 1200 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { |
| 1201 | qemu_rearm_alarm_timer(alarm_timer); |
| 1202 | } |
| 1203 | /* Interrupt execution to force deadline recalculation. */ |
| 1204 | if (use_icount) |
| 1205 | qemu_notify_event(); |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | int qemu_timer_pending(QEMUTimer *ts) |
| 1210 | { |
| 1211 | QEMUTimer *t; |
| 1212 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
| 1213 | if (t == ts) |
| 1214 | return 1; |
| 1215 | } |
| 1216 | return 0; |
| 1217 | } |
| 1218 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1219 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1220 | { |
| 1221 | if (!timer_head) |
| 1222 | return 0; |
| 1223 | return (timer_head->expire_time <= current_time); |
| 1224 | } |
| 1225 | |
| 1226 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
| 1227 | { |
| 1228 | QEMUTimer *ts; |
| 1229 | |
| 1230 | for(;;) { |
| 1231 | ts = *ptimer_head; |
| 1232 | if (!ts || ts->expire_time > current_time) |
| 1233 | break; |
| 1234 | /* remove timer from the list before calling the callback */ |
| 1235 | *ptimer_head = ts->next; |
| 1236 | ts->next = NULL; |
| 1237 | |
| 1238 | /* run the callback (the timer list can be modified) */ |
| 1239 | ts->cb(ts->opaque); |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | int64_t qemu_get_clock(QEMUClock *clock) |
| 1244 | { |
| 1245 | switch(clock->type) { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1246 | case QEMU_CLOCK_REALTIME: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1247 | return get_clock() / 1000000; |
| 1248 | default: |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1249 | case QEMU_CLOCK_VIRTUAL: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1250 | if (use_icount) { |
| 1251 | return cpu_get_icount(); |
| 1252 | } else { |
| 1253 | return cpu_get_clock(); |
| 1254 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1255 | case QEMU_CLOCK_HOST: |
| 1256 | return get_clock_realtime(); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1257 | } |
| 1258 | } |
| 1259 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1260 | int64_t qemu_get_clock_ns(QEMUClock *clock) |
| 1261 | { |
| 1262 | switch(clock->type) { |
| 1263 | case QEMU_CLOCK_REALTIME: |
| 1264 | return get_clock(); |
| 1265 | default: |
| 1266 | case QEMU_CLOCK_VIRTUAL: |
| 1267 | if (use_icount) { |
| 1268 | return cpu_get_icount(); |
| 1269 | } else { |
| 1270 | return cpu_get_clock(); |
| 1271 | } |
| 1272 | case QEMU_CLOCK_HOST: |
| 1273 | return get_clock_realtime(); |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | static void init_clocks(void) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1278 | { |
| 1279 | init_get_clock(); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1280 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
| 1281 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); |
| 1282 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
| 1283 | |
| 1284 | rtc_clock = host_clock; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1285 | } |
| 1286 | |
| 1287 | /* save a timer */ |
| 1288 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) |
| 1289 | { |
| 1290 | uint64_t expire_time; |
| 1291 | |
| 1292 | if (qemu_timer_pending(ts)) { |
| 1293 | expire_time = ts->expire_time; |
| 1294 | } else { |
| 1295 | expire_time = -1; |
| 1296 | } |
| 1297 | qemu_put_be64(f, expire_time); |
| 1298 | } |
| 1299 | |
| 1300 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) |
| 1301 | { |
| 1302 | uint64_t expire_time; |
| 1303 | |
| 1304 | expire_time = qemu_get_be64(f); |
| 1305 | if (expire_time != -1) { |
| 1306 | qemu_mod_timer(ts, expire_time); |
| 1307 | } else { |
| 1308 | qemu_del_timer(ts); |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | static void timer_save(QEMUFile *f, void *opaque) |
| 1313 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1314 | #if 0 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1315 | if (cpu_ticks_enabled) { |
| 1316 | hw_error("cannot save state if virtual timers are running"); |
| 1317 | } |
| 1318 | qemu_put_be64(f, cpu_ticks_offset); |
| 1319 | qemu_put_be64(f, ticks_per_sec); |
| 1320 | qemu_put_be64(f, cpu_clock_offset); |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1321 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1322 | } |
| 1323 | |
| 1324 | static int timer_load(QEMUFile *f, void *opaque, int version_id) |
| 1325 | { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1326 | #if 0 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1327 | if (version_id != 1 && version_id != 2) |
| 1328 | return -EINVAL; |
| 1329 | if (cpu_ticks_enabled) { |
| 1330 | return -EINVAL; |
| 1331 | } |
| 1332 | cpu_ticks_offset=qemu_get_be64(f); |
| 1333 | ticks_per_sec=qemu_get_be64(f); |
| 1334 | if (version_id == 2) { |
| 1335 | cpu_clock_offset=qemu_get_be64(f); |
| 1336 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1337 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1338 | return 0; |
| 1339 | } |
| 1340 | |
| 1341 | static void qemu_event_increment(void); |
| 1342 | |
| 1343 | #ifdef _WIN32 |
| 1344 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
| 1345 | DWORD_PTR dwUser, DWORD_PTR dw1, |
| 1346 | DWORD_PTR dw2) |
| 1347 | #else |
| 1348 | static void host_alarm_handler(int host_signum) |
| 1349 | #endif |
| 1350 | { |
| 1351 | #if 0 |
| 1352 | #define DISP_FREQ 1000 |
| 1353 | { |
| 1354 | static int64_t delta_min = INT64_MAX; |
| 1355 | static int64_t delta_max, delta_cum, last_clock, delta, ti; |
| 1356 | static int count; |
| 1357 | ti = qemu_get_clock(vm_clock); |
| 1358 | if (last_clock != 0) { |
| 1359 | delta = ti - last_clock; |
| 1360 | if (delta < delta_min) |
| 1361 | delta_min = delta; |
| 1362 | if (delta > delta_max) |
| 1363 | delta_max = delta; |
| 1364 | delta_cum += delta; |
| 1365 | if (++count == DISP_FREQ) { |
| 1366 | 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] | 1367 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
| 1368 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), |
| 1369 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), |
| 1370 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1371 | count = 0; |
| 1372 | delta_min = INT64_MAX; |
| 1373 | delta_max = 0; |
| 1374 | delta_cum = 0; |
| 1375 | } |
| 1376 | } |
| 1377 | last_clock = ti; |
| 1378 | } |
| 1379 | #endif |
| 1380 | if (alarm_has_dynticks(alarm_timer) || |
| 1381 | (!use_icount && |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1382 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1383 | qemu_get_clock(vm_clock))) || |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1384 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
| 1385 | qemu_get_clock(rt_clock)) || |
| 1386 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], |
| 1387 | qemu_get_clock(host_clock))) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1388 | qemu_event_increment(); |
| 1389 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
| 1390 | |
| 1391 | #ifndef CONFIG_IOTHREAD |
| 1392 | if (next_cpu) { |
| 1393 | /* stop the currently executing cpu because a timer occured */ |
| 1394 | cpu_exit(next_cpu); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1395 | } |
| 1396 | #endif |
| 1397 | timer_alarm_pending = 1; |
| 1398 | qemu_notify_event(); |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | static int64_t qemu_next_deadline(void) |
| 1403 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1404 | /* To avoid problems with overflow limit this to 2^32. */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1405 | int64_t delta = INT32_MAX; |
| 1406 | |
| 1407 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
| 1408 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - |
| 1409 | qemu_get_clock(vm_clock); |
| 1410 | } |
| 1411 | if (active_timers[QEMU_CLOCK_HOST]) { |
| 1412 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - |
| 1413 | qemu_get_clock(host_clock); |
| 1414 | if (hdelta < delta) |
| 1415 | delta = hdelta; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1416 | } |
| 1417 | |
| 1418 | if (delta < 0) |
| 1419 | delta = 0; |
| 1420 | |
| 1421 | return delta; |
| 1422 | } |
| 1423 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1424 | #if defined(__linux__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1425 | static uint64_t qemu_next_deadline_dyntick(void) |
| 1426 | { |
| 1427 | int64_t delta; |
| 1428 | int64_t rtdelta; |
| 1429 | |
| 1430 | if (use_icount) |
| 1431 | delta = INT32_MAX; |
| 1432 | else |
| 1433 | delta = (qemu_next_deadline() + 999) / 1000; |
| 1434 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1435 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
| 1436 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1437 | qemu_get_clock(rt_clock))*1000; |
| 1438 | if (rtdelta < delta) |
| 1439 | delta = rtdelta; |
| 1440 | } |
| 1441 | |
| 1442 | if (delta < MIN_TIMER_REARM_US) |
| 1443 | delta = MIN_TIMER_REARM_US; |
| 1444 | |
| 1445 | return delta; |
| 1446 | } |
| 1447 | #endif |
| 1448 | |
| 1449 | #ifndef _WIN32 |
| 1450 | |
| 1451 | /* Sets a specific flag */ |
| 1452 | static int fcntl_setfl(int fd, int flag) |
| 1453 | { |
| 1454 | int flags; |
| 1455 | |
| 1456 | flags = fcntl(fd, F_GETFL); |
| 1457 | if (flags == -1) |
| 1458 | return -errno; |
| 1459 | |
| 1460 | if (fcntl(fd, F_SETFL, flags | flag) == -1) |
| 1461 | return -errno; |
| 1462 | |
| 1463 | return 0; |
| 1464 | } |
| 1465 | |
| 1466 | #if defined(__linux__) |
| 1467 | |
| 1468 | #define RTC_FREQ 1024 |
| 1469 | |
| 1470 | static void enable_sigio_timer(int fd) |
| 1471 | { |
| 1472 | struct sigaction act; |
| 1473 | |
| 1474 | /* timer signal */ |
| 1475 | sigfillset(&act.sa_mask); |
| 1476 | act.sa_flags = 0; |
| 1477 | act.sa_handler = host_alarm_handler; |
| 1478 | |
| 1479 | sigaction(SIGIO, &act, NULL); |
| 1480 | fcntl_setfl(fd, O_ASYNC); |
| 1481 | fcntl(fd, F_SETOWN, getpid()); |
| 1482 | } |
| 1483 | |
| 1484 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
| 1485 | { |
| 1486 | struct hpet_info info; |
| 1487 | int r, fd; |
| 1488 | |
| 1489 | fd = open("/dev/hpet", O_RDONLY); |
| 1490 | if (fd < 0) |
| 1491 | return -1; |
| 1492 | |
| 1493 | /* Set frequency */ |
| 1494 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); |
| 1495 | if (r < 0) { |
| 1496 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" |
| 1497 | "error, but for better emulation accuracy type:\n" |
| 1498 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); |
| 1499 | goto fail; |
| 1500 | } |
| 1501 | |
| 1502 | /* Check capabilities */ |
| 1503 | r = ioctl(fd, HPET_INFO, &info); |
| 1504 | if (r < 0) |
| 1505 | goto fail; |
| 1506 | |
| 1507 | /* Enable periodic mode */ |
| 1508 | r = ioctl(fd, HPET_EPI, 0); |
| 1509 | if (info.hi_flags && (r < 0)) |
| 1510 | goto fail; |
| 1511 | |
| 1512 | /* Enable interrupt */ |
| 1513 | r = ioctl(fd, HPET_IE_ON, 0); |
| 1514 | if (r < 0) |
| 1515 | goto fail; |
| 1516 | |
| 1517 | enable_sigio_timer(fd); |
| 1518 | t->priv = (void *)(long)fd; |
| 1519 | |
| 1520 | return 0; |
| 1521 | fail: |
| 1522 | close(fd); |
| 1523 | return -1; |
| 1524 | } |
| 1525 | |
| 1526 | static void hpet_stop_timer(struct qemu_alarm_timer *t) |
| 1527 | { |
| 1528 | int fd = (long)t->priv; |
| 1529 | |
| 1530 | close(fd); |
| 1531 | } |
| 1532 | |
| 1533 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
| 1534 | { |
| 1535 | int rtc_fd; |
| 1536 | unsigned long current_rtc_freq = 0; |
| 1537 | |
| 1538 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); |
| 1539 | if (rtc_fd < 0) |
| 1540 | return -1; |
| 1541 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
| 1542 | if (current_rtc_freq != RTC_FREQ && |
| 1543 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
| 1544 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
| 1545 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" |
| 1546 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); |
| 1547 | goto fail; |
| 1548 | } |
| 1549 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
| 1550 | fail: |
| 1551 | close(rtc_fd); |
| 1552 | return -1; |
| 1553 | } |
| 1554 | |
| 1555 | enable_sigio_timer(rtc_fd); |
| 1556 | |
| 1557 | t->priv = (void *)(long)rtc_fd; |
| 1558 | |
| 1559 | return 0; |
| 1560 | } |
| 1561 | |
| 1562 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
| 1563 | { |
| 1564 | int rtc_fd = (long)t->priv; |
| 1565 | |
| 1566 | close(rtc_fd); |
| 1567 | } |
| 1568 | |
| 1569 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
| 1570 | { |
| 1571 | struct sigevent ev; |
| 1572 | timer_t host_timer; |
| 1573 | struct sigaction act; |
| 1574 | |
| 1575 | sigfillset(&act.sa_mask); |
| 1576 | act.sa_flags = 0; |
| 1577 | act.sa_handler = host_alarm_handler; |
| 1578 | |
| 1579 | sigaction(SIGALRM, &act, NULL); |
| 1580 | |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 1581 | /* |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1582 | * Initialize ev struct to 0 to avoid valgrind complaining |
| 1583 | * about uninitialized data in timer_create call |
| 1584 | */ |
| 1585 | memset(&ev, 0, sizeof(ev)); |
| 1586 | ev.sigev_value.sival_int = 0; |
| 1587 | ev.sigev_notify = SIGEV_SIGNAL; |
| 1588 | ev.sigev_signo = SIGALRM; |
| 1589 | |
| 1590 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { |
| 1591 | perror("timer_create"); |
| 1592 | |
| 1593 | /* disable dynticks */ |
| 1594 | fprintf(stderr, "Dynamic Ticks disabled\n"); |
| 1595 | |
| 1596 | return -1; |
| 1597 | } |
| 1598 | |
| 1599 | t->priv = (void *)(long)host_timer; |
| 1600 | |
| 1601 | return 0; |
| 1602 | } |
| 1603 | |
| 1604 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) |
| 1605 | { |
| 1606 | timer_t host_timer = (timer_t)(long)t->priv; |
| 1607 | |
| 1608 | timer_delete(host_timer); |
| 1609 | } |
| 1610 | |
| 1611 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) |
| 1612 | { |
| 1613 | timer_t host_timer = (timer_t)(long)t->priv; |
| 1614 | struct itimerspec timeout; |
| 1615 | int64_t nearest_delta_us = INT64_MAX; |
| 1616 | int64_t current_us; |
| 1617 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1618 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
| 1619 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
| 1620 | !active_timers[QEMU_CLOCK_HOST]) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1621 | return; |
| 1622 | |
| 1623 | nearest_delta_us = qemu_next_deadline_dyntick(); |
| 1624 | |
| 1625 | /* check whether a timer is already running */ |
| 1626 | if (timer_gettime(host_timer, &timeout)) { |
| 1627 | perror("gettime"); |
| 1628 | fprintf(stderr, "Internal timer error: aborting\n"); |
| 1629 | exit(1); |
| 1630 | } |
| 1631 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; |
| 1632 | if (current_us && current_us <= nearest_delta_us) |
| 1633 | return; |
| 1634 | |
| 1635 | timeout.it_interval.tv_sec = 0; |
| 1636 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ |
| 1637 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; |
| 1638 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; |
| 1639 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { |
| 1640 | perror("settime"); |
| 1641 | fprintf(stderr, "Internal timer error: aborting\n"); |
| 1642 | exit(1); |
| 1643 | } |
| 1644 | } |
| 1645 | |
| 1646 | #endif /* defined(__linux__) */ |
| 1647 | |
| 1648 | static int unix_start_timer(struct qemu_alarm_timer *t) |
| 1649 | { |
| 1650 | struct sigaction act; |
| 1651 | struct itimerval itv; |
| 1652 | int err; |
| 1653 | |
| 1654 | /* timer signal */ |
| 1655 | sigfillset(&act.sa_mask); |
| 1656 | act.sa_flags = 0; |
| 1657 | act.sa_handler = host_alarm_handler; |
| 1658 | |
| 1659 | sigaction(SIGALRM, &act, NULL); |
| 1660 | |
| 1661 | itv.it_interval.tv_sec = 0; |
| 1662 | /* for i386 kernel 2.6 to get 1 ms */ |
| 1663 | itv.it_interval.tv_usec = 999; |
| 1664 | itv.it_value.tv_sec = 0; |
| 1665 | itv.it_value.tv_usec = 10 * 1000; |
| 1666 | |
| 1667 | err = setitimer(ITIMER_REAL, &itv, NULL); |
| 1668 | if (err) |
| 1669 | return -1; |
| 1670 | |
| 1671 | return 0; |
| 1672 | } |
| 1673 | |
| 1674 | static void unix_stop_timer(struct qemu_alarm_timer *t) |
| 1675 | { |
| 1676 | struct itimerval itv; |
| 1677 | |
| 1678 | memset(&itv, 0, sizeof(itv)); |
| 1679 | setitimer(ITIMER_REAL, &itv, NULL); |
| 1680 | } |
| 1681 | |
| 1682 | #endif /* !defined(_WIN32) */ |
| 1683 | |
| 1684 | |
| 1685 | #ifdef _WIN32 |
| 1686 | |
| 1687 | static int win32_start_timer(struct qemu_alarm_timer *t) |
| 1688 | { |
| 1689 | TIMECAPS tc; |
| 1690 | struct qemu_alarm_win32 *data = t->priv; |
| 1691 | UINT flags; |
| 1692 | |
| 1693 | memset(&tc, 0, sizeof(tc)); |
| 1694 | timeGetDevCaps(&tc, sizeof(tc)); |
| 1695 | |
| 1696 | if (data->period < tc.wPeriodMin) |
| 1697 | data->period = tc.wPeriodMin; |
| 1698 | |
| 1699 | timeBeginPeriod(data->period); |
| 1700 | |
| 1701 | flags = TIME_CALLBACK_FUNCTION; |
| 1702 | if (alarm_has_dynticks(t)) |
| 1703 | flags |= TIME_ONESHOT; |
| 1704 | else |
| 1705 | flags |= TIME_PERIODIC; |
| 1706 | |
| 1707 | data->timerId = timeSetEvent(1, // interval (ms) |
| 1708 | data->period, // resolution |
| 1709 | host_alarm_handler, // function |
| 1710 | (DWORD)t, // parameter |
| 1711 | flags); |
| 1712 | |
| 1713 | if (!data->timerId) { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1714 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
| 1715 | GetLastError()); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1716 | timeEndPeriod(data->period); |
| 1717 | return -1; |
| 1718 | } |
| 1719 | |
| 1720 | return 0; |
| 1721 | } |
| 1722 | |
| 1723 | static void win32_stop_timer(struct qemu_alarm_timer *t) |
| 1724 | { |
| 1725 | struct qemu_alarm_win32 *data = t->priv; |
| 1726 | |
| 1727 | timeKillEvent(data->timerId); |
| 1728 | timeEndPeriod(data->period); |
| 1729 | } |
| 1730 | |
| 1731 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
| 1732 | { |
| 1733 | struct qemu_alarm_win32 *data = t->priv; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1734 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1735 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
| 1736 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
| 1737 | !active_timers[QEMU_CLOCK_HOST]) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1738 | return; |
| 1739 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1740 | timeKillEvent(data->timerId); |
| 1741 | |
| 1742 | data->timerId = timeSetEvent(1, |
| 1743 | data->period, |
| 1744 | host_alarm_handler, |
| 1745 | (DWORD)t, |
| 1746 | TIME_ONESHOT | TIME_PERIODIC); |
| 1747 | |
| 1748 | if (!data->timerId) { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 1749 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
| 1750 | GetLastError()); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1751 | |
| 1752 | timeEndPeriod(data->period); |
| 1753 | exit(1); |
| 1754 | } |
| 1755 | } |
| 1756 | |
| 1757 | #endif /* _WIN32 */ |
| 1758 | |
| 1759 | static int init_timer_alarm(void) |
| 1760 | { |
| 1761 | struct qemu_alarm_timer *t = NULL; |
| 1762 | int i, err = -1; |
| 1763 | |
| 1764 | for (i = 0; alarm_timers[i].name; i++) { |
| 1765 | t = &alarm_timers[i]; |
| 1766 | |
| 1767 | err = t->start(t); |
| 1768 | if (!err) |
| 1769 | break; |
| 1770 | } |
| 1771 | |
| 1772 | if (err) { |
| 1773 | err = -ENOENT; |
| 1774 | goto fail; |
| 1775 | } |
| 1776 | |
| 1777 | alarm_timer = t; |
| 1778 | |
| 1779 | return 0; |
| 1780 | |
| 1781 | fail: |
| 1782 | return err; |
| 1783 | } |
| 1784 | |
| 1785 | static void quit_timers(void) |
| 1786 | { |
| 1787 | alarm_timer->stop(alarm_timer); |
| 1788 | alarm_timer = NULL; |
| 1789 | } |
| 1790 | |
| 1791 | /***********************************************************/ |
| 1792 | /* host time/date access */ |
| 1793 | void qemu_get_timedate(struct tm *tm, int offset) |
| 1794 | { |
| 1795 | time_t ti; |
| 1796 | struct tm *ret; |
| 1797 | |
| 1798 | time(&ti); |
| 1799 | ti += offset; |
| 1800 | if (rtc_date_offset == -1) { |
| 1801 | if (rtc_utc) |
| 1802 | ret = gmtime(&ti); |
| 1803 | else |
| 1804 | ret = localtime(&ti); |
| 1805 | } else { |
| 1806 | ti -= rtc_date_offset; |
| 1807 | ret = gmtime(&ti); |
| 1808 | } |
| 1809 | |
| 1810 | memcpy(tm, ret, sizeof(struct tm)); |
| 1811 | } |
| 1812 | |
| 1813 | int qemu_timedate_diff(struct tm *tm) |
| 1814 | { |
| 1815 | time_t seconds; |
| 1816 | |
| 1817 | if (rtc_date_offset == -1) |
| 1818 | if (rtc_utc) |
| 1819 | seconds = mktimegm(tm); |
| 1820 | else |
| 1821 | seconds = mktime(tm); |
| 1822 | else |
| 1823 | seconds = mktimegm(tm) + rtc_date_offset; |
| 1824 | |
| 1825 | return seconds - time(NULL); |
| 1826 | } |
| 1827 | |
| 1828 | |
| 1829 | #ifdef CONFIG_TRACE |
| 1830 | static int tbflush_requested; |
| 1831 | static int exit_requested; |
| 1832 | |
| 1833 | void start_tracing() |
| 1834 | { |
| 1835 | if (trace_filename == NULL) |
| 1836 | return; |
| 1837 | if (!tracing) { |
| 1838 | fprintf(stderr,"-- start tracing --\n"); |
| 1839 | start_time = Now(); |
| 1840 | } |
| 1841 | tracing = 1; |
| 1842 | tbflush_requested = 1; |
| 1843 | qemu_notify_event(); |
| 1844 | } |
| 1845 | |
| 1846 | void stop_tracing() |
| 1847 | { |
| 1848 | if (trace_filename == NULL) |
| 1849 | return; |
| 1850 | if (tracing) { |
| 1851 | end_time = Now(); |
| 1852 | elapsed_usecs += end_time - start_time; |
| 1853 | fprintf(stderr,"-- stop tracing --\n"); |
| 1854 | } |
| 1855 | tracing = 0; |
| 1856 | tbflush_requested = 1; |
| 1857 | qemu_notify_event(); |
| 1858 | } |
| 1859 | |
| 1860 | #ifndef _WIN32 |
| 1861 | /* This is the handler for the SIGUSR1 and SIGUSR2 signals. |
| 1862 | * SIGUSR1 turns tracing on. SIGUSR2 turns tracing off. |
| 1863 | */ |
| 1864 | void sigusr_handler(int sig) |
| 1865 | { |
| 1866 | if (sig == SIGUSR1) |
| 1867 | start_tracing(); |
| 1868 | else |
| 1869 | stop_tracing(); |
| 1870 | } |
| 1871 | #endif |
| 1872 | |
| 1873 | /* This is the handler to catch control-C so that we can exit cleanly. |
| 1874 | * This is needed when tracing to flush the buffers to disk. |
| 1875 | */ |
| 1876 | void sigint_handler(int sig) |
| 1877 | { |
| 1878 | exit_requested = 1; |
| 1879 | qemu_notify_event(); |
| 1880 | } |
| 1881 | #endif /* CONFIG_TRACE */ |
| 1882 | |
| 1883 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1884 | /***********************************************************/ |
| 1885 | /* Bluetooth support */ |
| 1886 | static int nb_hcis; |
| 1887 | static int cur_hci; |
| 1888 | static struct HCIInfo *hci_table[MAX_NICS]; |
| 1889 | |
| 1890 | static struct bt_vlan_s { |
| 1891 | struct bt_scatternet_s net; |
| 1892 | int id; |
| 1893 | struct bt_vlan_s *next; |
| 1894 | } *first_bt_vlan; |
| 1895 | |
| 1896 | /* find or alloc a new bluetooth "VLAN" */ |
| 1897 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
| 1898 | { |
| 1899 | struct bt_vlan_s **pvlan, *vlan; |
| 1900 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { |
| 1901 | if (vlan->id == id) |
| 1902 | return &vlan->net; |
| 1903 | } |
| 1904 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); |
| 1905 | vlan->id = id; |
| 1906 | pvlan = &first_bt_vlan; |
| 1907 | while (*pvlan != NULL) |
| 1908 | pvlan = &(*pvlan)->next; |
| 1909 | *pvlan = vlan; |
| 1910 | return &vlan->net; |
| 1911 | } |
| 1912 | |
| 1913 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
| 1914 | { |
| 1915 | } |
| 1916 | |
| 1917 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
| 1918 | { |
| 1919 | return -ENOTSUP; |
| 1920 | } |
| 1921 | |
| 1922 | static struct HCIInfo null_hci = { |
| 1923 | .cmd_send = null_hci_send, |
| 1924 | .sco_send = null_hci_send, |
| 1925 | .acl_send = null_hci_send, |
| 1926 | .bdaddr_set = null_hci_addr_set, |
| 1927 | }; |
| 1928 | |
| 1929 | struct HCIInfo *qemu_next_hci(void) |
| 1930 | { |
| 1931 | if (cur_hci == nb_hcis) |
| 1932 | return &null_hci; |
| 1933 | |
| 1934 | return hci_table[cur_hci++]; |
| 1935 | } |
| 1936 | |
| 1937 | static struct HCIInfo *hci_init(const char *str) |
| 1938 | { |
| 1939 | char *endp; |
| 1940 | struct bt_scatternet_s *vlan = 0; |
| 1941 | |
| 1942 | if (!strcmp(str, "null")) |
| 1943 | /* null */ |
| 1944 | return &null_hci; |
| 1945 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) |
| 1946 | /* host[:hciN] */ |
| 1947 | return bt_host_hci(str[4] ? str + 5 : "hci0"); |
| 1948 | else if (!strncmp(str, "hci", 3)) { |
| 1949 | /* hci[,vlan=n] */ |
| 1950 | if (str[3]) { |
| 1951 | if (!strncmp(str + 3, ",vlan=", 6)) { |
| 1952 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); |
| 1953 | if (*endp) |
| 1954 | vlan = 0; |
| 1955 | } |
| 1956 | } else |
| 1957 | vlan = qemu_find_bt_vlan(0); |
| 1958 | if (vlan) |
| 1959 | return bt_new_hci(vlan); |
| 1960 | } |
| 1961 | |
| 1962 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); |
| 1963 | |
| 1964 | return 0; |
| 1965 | } |
| 1966 | |
| 1967 | static int bt_hci_parse(const char *str) |
| 1968 | { |
| 1969 | struct HCIInfo *hci; |
| 1970 | bdaddr_t bdaddr; |
| 1971 | |
| 1972 | if (nb_hcis >= MAX_NICS) { |
| 1973 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); |
| 1974 | return -1; |
| 1975 | } |
| 1976 | |
| 1977 | hci = hci_init(str); |
| 1978 | if (!hci) |
| 1979 | return -1; |
| 1980 | |
| 1981 | bdaddr.b[0] = 0x52; |
| 1982 | bdaddr.b[1] = 0x54; |
| 1983 | bdaddr.b[2] = 0x00; |
| 1984 | bdaddr.b[3] = 0x12; |
| 1985 | bdaddr.b[4] = 0x34; |
| 1986 | bdaddr.b[5] = 0x56 + nb_hcis; |
| 1987 | hci->bdaddr_set(hci, bdaddr.b); |
| 1988 | |
| 1989 | hci_table[nb_hcis++] = hci; |
| 1990 | |
| 1991 | return 0; |
| 1992 | } |
| 1993 | |
| 1994 | static void bt_vhci_add(int vlan_id) |
| 1995 | { |
| 1996 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); |
| 1997 | |
| 1998 | if (!vlan->slave) |
| 1999 | fprintf(stderr, "qemu: warning: adding a VHCI to " |
| 2000 | "an empty scatternet %i\n", vlan_id); |
| 2001 | |
| 2002 | bt_vhci_init(bt_new_hci(vlan)); |
| 2003 | } |
| 2004 | |
| 2005 | static struct bt_device_s *bt_device_add(const char *opt) |
| 2006 | { |
| 2007 | struct bt_scatternet_s *vlan; |
| 2008 | int vlan_id = 0; |
| 2009 | char *endp = strstr(opt, ",vlan="); |
| 2010 | int len = (endp ? endp - opt : strlen(opt)) + 1; |
| 2011 | char devname[10]; |
| 2012 | |
| 2013 | pstrcpy(devname, MIN(sizeof(devname), len), opt); |
| 2014 | |
| 2015 | if (endp) { |
| 2016 | vlan_id = strtol(endp + 6, &endp, 0); |
| 2017 | if (*endp) { |
| 2018 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); |
| 2019 | return 0; |
| 2020 | } |
| 2021 | } |
| 2022 | |
| 2023 | vlan = qemu_find_bt_vlan(vlan_id); |
| 2024 | |
| 2025 | if (!vlan->slave) |
| 2026 | fprintf(stderr, "qemu: warning: adding a slave device to " |
| 2027 | "an empty scatternet %i\n", vlan_id); |
| 2028 | |
| 2029 | if (!strcmp(devname, "keyboard")) |
| 2030 | return bt_keyboard_init(vlan); |
| 2031 | |
| 2032 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); |
| 2033 | return 0; |
| 2034 | } |
| 2035 | |
| 2036 | static int bt_parse(const char *opt) |
| 2037 | { |
| 2038 | const char *endp, *p; |
| 2039 | int vlan; |
| 2040 | |
| 2041 | if (strstart(opt, "hci", &endp)) { |
| 2042 | if (!*endp || *endp == ',') { |
| 2043 | if (*endp) |
| 2044 | if (!strstart(endp, ",vlan=", 0)) |
| 2045 | opt = endp + 1; |
| 2046 | |
| 2047 | return bt_hci_parse(opt); |
| 2048 | } |
| 2049 | } else if (strstart(opt, "vhci", &endp)) { |
| 2050 | if (!*endp || *endp == ',') { |
| 2051 | if (*endp) { |
| 2052 | if (strstart(endp, ",vlan=", &p)) { |
| 2053 | vlan = strtol(p, (char **) &endp, 0); |
| 2054 | if (*endp) { |
| 2055 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); |
| 2056 | return 1; |
| 2057 | } |
| 2058 | } else { |
| 2059 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); |
| 2060 | return 1; |
| 2061 | } |
| 2062 | } else |
| 2063 | vlan = 0; |
| 2064 | |
| 2065 | bt_vhci_add(vlan); |
| 2066 | return 0; |
| 2067 | } |
| 2068 | } else if (strstart(opt, "device:", &endp)) |
| 2069 | return !bt_device_add(endp); |
| 2070 | |
| 2071 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); |
| 2072 | return 1; |
| 2073 | } |
| 2074 | |
| 2075 | /***********************************************************/ |
| 2076 | /* QEMU Block devices */ |
| 2077 | |
| 2078 | #define HD_ALIAS "index=%d,media=disk" |
| 2079 | #define CDROM_ALIAS "index=2,media=cdrom" |
| 2080 | #define FD_ALIAS "index=%d,if=floppy" |
| 2081 | #define PFLASH_ALIAS "if=pflash" |
| 2082 | #define MTD_ALIAS "if=mtd" |
| 2083 | #define SD_ALIAS "index=0,if=sd" |
| 2084 | |
| 2085 | static int drive_opt_get_free_idx(void) |
| 2086 | { |
| 2087 | int index; |
| 2088 | |
| 2089 | for (index = 0; index < MAX_DRIVES; index++) |
| 2090 | if (!drives_opt[index].used) { |
| 2091 | drives_opt[index].used = 1; |
| 2092 | return index; |
| 2093 | } |
| 2094 | |
| 2095 | return -1; |
| 2096 | } |
| 2097 | |
| 2098 | static int drive_get_free_idx(void) |
| 2099 | { |
| 2100 | int index; |
| 2101 | |
| 2102 | for (index = 0; index < MAX_DRIVES; index++) |
| 2103 | if (!drives_table[index].used) { |
| 2104 | drives_table[index].used = 1; |
| 2105 | return index; |
| 2106 | } |
| 2107 | |
| 2108 | return -1; |
| 2109 | } |
| 2110 | |
| 2111 | int drive_add(const char *file, const char *fmt, ...) |
| 2112 | { |
| 2113 | va_list ap; |
| 2114 | int index = drive_opt_get_free_idx(); |
| 2115 | |
| 2116 | if (nb_drives_opt >= MAX_DRIVES || index == -1) { |
| 2117 | fprintf(stderr, "qemu: too many drives\n"); |
| 2118 | return -1; |
| 2119 | } |
| 2120 | |
| 2121 | drives_opt[index].file = file; |
| 2122 | va_start(ap, fmt); |
| 2123 | vsnprintf(drives_opt[index].opt, |
| 2124 | sizeof(drives_opt[0].opt), fmt, ap); |
| 2125 | va_end(ap); |
David 'Digit' Turner | 9256895 | 2010-04-15 15:04:16 -0700 | [diff] [blame] | 2126 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2127 | nb_drives_opt++; |
| 2128 | return index; |
| 2129 | } |
| 2130 | |
| 2131 | void drive_remove(int index) |
| 2132 | { |
| 2133 | drives_opt[index].used = 0; |
| 2134 | nb_drives_opt--; |
| 2135 | } |
| 2136 | |
| 2137 | int drive_get_index(BlockInterfaceType type, int bus, int unit) |
| 2138 | { |
| 2139 | int index; |
| 2140 | |
| 2141 | /* seek interface, bus and unit */ |
| 2142 | |
| 2143 | for (index = 0; index < MAX_DRIVES; index++) |
| 2144 | if (drives_table[index].type == type && |
| 2145 | drives_table[index].bus == bus && |
| 2146 | drives_table[index].unit == unit && |
| 2147 | drives_table[index].used) |
| 2148 | return index; |
| 2149 | |
| 2150 | return -1; |
| 2151 | } |
| 2152 | |
| 2153 | int drive_get_max_bus(BlockInterfaceType type) |
| 2154 | { |
| 2155 | int max_bus; |
| 2156 | int index; |
| 2157 | |
| 2158 | max_bus = -1; |
| 2159 | for (index = 0; index < nb_drives; index++) { |
| 2160 | if(drives_table[index].type == type && |
| 2161 | drives_table[index].bus > max_bus) |
| 2162 | max_bus = drives_table[index].bus; |
| 2163 | } |
| 2164 | return max_bus; |
| 2165 | } |
| 2166 | |
| 2167 | const char *drive_get_serial(BlockDriverState *bdrv) |
| 2168 | { |
| 2169 | int index; |
| 2170 | |
| 2171 | for (index = 0; index < nb_drives; index++) |
| 2172 | if (drives_table[index].bdrv == bdrv) |
| 2173 | return drives_table[index].serial; |
| 2174 | |
| 2175 | return "\0"; |
| 2176 | } |
| 2177 | |
| 2178 | BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv) |
| 2179 | { |
| 2180 | int index; |
| 2181 | |
| 2182 | for (index = 0; index < nb_drives; index++) |
| 2183 | if (drives_table[index].bdrv == bdrv) |
| 2184 | return drives_table[index].onerror; |
| 2185 | |
| 2186 | return BLOCK_ERR_STOP_ENOSPC; |
| 2187 | } |
| 2188 | |
| 2189 | static void bdrv_format_print(void *opaque, const char *name) |
| 2190 | { |
| 2191 | fprintf(stderr, " %s", name); |
| 2192 | } |
| 2193 | |
| 2194 | void drive_uninit(BlockDriverState *bdrv) |
| 2195 | { |
| 2196 | int i; |
| 2197 | |
| 2198 | for (i = 0; i < MAX_DRIVES; i++) |
| 2199 | if (drives_table[i].bdrv == bdrv) { |
| 2200 | drives_table[i].bdrv = NULL; |
| 2201 | drives_table[i].used = 0; |
| 2202 | drive_remove(drives_table[i].drive_opt_idx); |
| 2203 | nb_drives--; |
| 2204 | break; |
| 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | int drive_init(struct drive_opt *arg, int snapshot, void *opaque) |
| 2209 | { |
| 2210 | char buf[128]; |
| 2211 | char file[1024]; |
| 2212 | char devname[128]; |
| 2213 | char serial[21]; |
| 2214 | const char *mediastr = ""; |
| 2215 | BlockInterfaceType type; |
| 2216 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
| 2217 | int bus_id, unit_id; |
| 2218 | int cyls, heads, secs, translation; |
| 2219 | BlockDriverState *bdrv; |
| 2220 | BlockDriver *drv = NULL; |
| 2221 | QEMUMachine *machine = opaque; |
| 2222 | int max_devs; |
| 2223 | int index; |
| 2224 | int cache; |
| 2225 | int bdrv_flags, onerror; |
| 2226 | int drives_table_idx; |
| 2227 | char *str = arg->opt; |
| 2228 | static const char * const params[] = { "bus", "unit", "if", "index", |
| 2229 | "cyls", "heads", "secs", "trans", |
| 2230 | "media", "snapshot", "file", |
| 2231 | "cache", "format", "serial", "werror", |
| 2232 | NULL }; |
| 2233 | |
| 2234 | if (check_params(buf, sizeof(buf), params, str) < 0) { |
| 2235 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", |
| 2236 | buf, str); |
| 2237 | return -1; |
| 2238 | } |
| 2239 | |
| 2240 | file[0] = 0; |
| 2241 | cyls = heads = secs = 0; |
| 2242 | bus_id = 0; |
| 2243 | unit_id = -1; |
| 2244 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 2245 | index = -1; |
| 2246 | cache = 3; |
| 2247 | |
| 2248 | if (machine->use_scsi) { |
| 2249 | type = IF_SCSI; |
| 2250 | max_devs = MAX_SCSI_DEVS; |
| 2251 | pstrcpy(devname, sizeof(devname), "scsi"); |
| 2252 | } else { |
| 2253 | type = IF_IDE; |
| 2254 | max_devs = MAX_IDE_DEVS; |
| 2255 | pstrcpy(devname, sizeof(devname), "ide"); |
| 2256 | } |
| 2257 | media = MEDIA_DISK; |
| 2258 | |
| 2259 | /* extract parameters */ |
| 2260 | |
| 2261 | if (get_param_value(buf, sizeof(buf), "bus", str)) { |
| 2262 | bus_id = strtol(buf, NULL, 0); |
| 2263 | if (bus_id < 0) { |
| 2264 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); |
| 2265 | return -1; |
| 2266 | } |
| 2267 | } |
| 2268 | |
| 2269 | if (get_param_value(buf, sizeof(buf), "unit", str)) { |
| 2270 | unit_id = strtol(buf, NULL, 0); |
| 2271 | if (unit_id < 0) { |
| 2272 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); |
| 2273 | return -1; |
| 2274 | } |
| 2275 | } |
| 2276 | |
| 2277 | if (get_param_value(buf, sizeof(buf), "if", str)) { |
| 2278 | pstrcpy(devname, sizeof(devname), buf); |
| 2279 | if (!strcmp(buf, "ide")) { |
| 2280 | type = IF_IDE; |
| 2281 | max_devs = MAX_IDE_DEVS; |
| 2282 | } else if (!strcmp(buf, "scsi")) { |
| 2283 | type = IF_SCSI; |
| 2284 | max_devs = MAX_SCSI_DEVS; |
| 2285 | } else if (!strcmp(buf, "floppy")) { |
| 2286 | type = IF_FLOPPY; |
| 2287 | max_devs = 0; |
| 2288 | } else if (!strcmp(buf, "pflash")) { |
| 2289 | type = IF_PFLASH; |
| 2290 | max_devs = 0; |
| 2291 | } else if (!strcmp(buf, "mtd")) { |
| 2292 | type = IF_MTD; |
| 2293 | max_devs = 0; |
| 2294 | } else if (!strcmp(buf, "sd")) { |
| 2295 | type = IF_SD; |
| 2296 | max_devs = 0; |
| 2297 | } else if (!strcmp(buf, "virtio")) { |
| 2298 | type = IF_VIRTIO; |
| 2299 | max_devs = 0; |
| 2300 | } else if (!strcmp(buf, "xen")) { |
| 2301 | type = IF_XEN; |
| 2302 | max_devs = 0; |
| 2303 | } else { |
| 2304 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); |
| 2305 | return -1; |
| 2306 | } |
| 2307 | } |
| 2308 | |
| 2309 | if (get_param_value(buf, sizeof(buf), "index", str)) { |
| 2310 | index = strtol(buf, NULL, 0); |
| 2311 | if (index < 0) { |
| 2312 | fprintf(stderr, "qemu: '%s' invalid index\n", str); |
| 2313 | return -1; |
| 2314 | } |
| 2315 | } |
| 2316 | |
| 2317 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { |
| 2318 | cyls = strtol(buf, NULL, 0); |
| 2319 | } |
| 2320 | |
| 2321 | if (get_param_value(buf, sizeof(buf), "heads", str)) { |
| 2322 | heads = strtol(buf, NULL, 0); |
| 2323 | } |
| 2324 | |
| 2325 | if (get_param_value(buf, sizeof(buf), "secs", str)) { |
| 2326 | secs = strtol(buf, NULL, 0); |
| 2327 | } |
| 2328 | |
| 2329 | if (cyls || heads || secs) { |
| 2330 | if (cyls < 1 || cyls > 16383) { |
| 2331 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); |
| 2332 | return -1; |
| 2333 | } |
| 2334 | if (heads < 1 || heads > 16) { |
| 2335 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); |
| 2336 | return -1; |
| 2337 | } |
| 2338 | if (secs < 1 || secs > 63) { |
| 2339 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); |
| 2340 | return -1; |
| 2341 | } |
| 2342 | } |
| 2343 | |
| 2344 | if (get_param_value(buf, sizeof(buf), "trans", str)) { |
| 2345 | if (!cyls) { |
| 2346 | fprintf(stderr, |
| 2347 | "qemu: '%s' trans must be used with cyls,heads and secs\n", |
| 2348 | str); |
| 2349 | return -1; |
| 2350 | } |
| 2351 | if (!strcmp(buf, "none")) |
| 2352 | translation = BIOS_ATA_TRANSLATION_NONE; |
| 2353 | else if (!strcmp(buf, "lba")) |
| 2354 | translation = BIOS_ATA_TRANSLATION_LBA; |
| 2355 | else if (!strcmp(buf, "auto")) |
| 2356 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 2357 | else { |
| 2358 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); |
| 2359 | return -1; |
| 2360 | } |
| 2361 | } |
| 2362 | |
| 2363 | if (get_param_value(buf, sizeof(buf), "media", str)) { |
| 2364 | if (!strcmp(buf, "disk")) { |
| 2365 | media = MEDIA_DISK; |
| 2366 | } else if (!strcmp(buf, "cdrom")) { |
| 2367 | if (cyls || secs || heads) { |
| 2368 | fprintf(stderr, |
| 2369 | "qemu: '%s' invalid physical CHS format\n", str); |
| 2370 | return -1; |
| 2371 | } |
| 2372 | media = MEDIA_CDROM; |
| 2373 | } else { |
| 2374 | fprintf(stderr, "qemu: '%s' invalid media\n", str); |
| 2375 | return -1; |
| 2376 | } |
| 2377 | } |
| 2378 | |
| 2379 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { |
| 2380 | if (!strcmp(buf, "on")) |
| 2381 | snapshot = 1; |
| 2382 | else if (!strcmp(buf, "off")) |
| 2383 | snapshot = 0; |
| 2384 | else { |
| 2385 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); |
| 2386 | return -1; |
| 2387 | } |
| 2388 | } |
| 2389 | |
| 2390 | if (get_param_value(buf, sizeof(buf), "cache", str)) { |
| 2391 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
| 2392 | cache = 0; |
| 2393 | else if (!strcmp(buf, "writethrough")) |
| 2394 | cache = 1; |
| 2395 | else if (!strcmp(buf, "writeback")) |
| 2396 | cache = 2; |
| 2397 | else { |
| 2398 | fprintf(stderr, "qemu: invalid cache option\n"); |
| 2399 | return -1; |
| 2400 | } |
| 2401 | } |
| 2402 | |
| 2403 | if (get_param_value(buf, sizeof(buf), "format", str)) { |
| 2404 | if (strcmp(buf, "?") == 0) { |
| 2405 | fprintf(stderr, "qemu: Supported formats:"); |
| 2406 | bdrv_iterate_format(bdrv_format_print, NULL); |
| 2407 | fprintf(stderr, "\n"); |
| 2408 | return -1; |
| 2409 | } |
| 2410 | drv = bdrv_find_format(buf); |
| 2411 | if (!drv) { |
| 2412 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); |
| 2413 | return -1; |
| 2414 | } |
| 2415 | } |
| 2416 | |
| 2417 | if (arg->file == NULL) |
| 2418 | get_param_value(file, sizeof(file), "file", str); |
| 2419 | else |
| 2420 | pstrcpy(file, sizeof(file), arg->file); |
| 2421 | |
| 2422 | if (!get_param_value(serial, sizeof(serial), "serial", str)) |
| 2423 | memset(serial, 0, sizeof(serial)); |
| 2424 | |
| 2425 | onerror = BLOCK_ERR_STOP_ENOSPC; |
| 2426 | if (get_param_value(buf, sizeof(serial), "werror", str)) { |
| 2427 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
| 2428 | fprintf(stderr, "werror is no supported by this format\n"); |
| 2429 | return -1; |
| 2430 | } |
| 2431 | if (!strcmp(buf, "ignore")) |
| 2432 | onerror = BLOCK_ERR_IGNORE; |
| 2433 | else if (!strcmp(buf, "enospc")) |
| 2434 | onerror = BLOCK_ERR_STOP_ENOSPC; |
| 2435 | else if (!strcmp(buf, "stop")) |
| 2436 | onerror = BLOCK_ERR_STOP_ANY; |
| 2437 | else if (!strcmp(buf, "report")) |
| 2438 | onerror = BLOCK_ERR_REPORT; |
| 2439 | else { |
| 2440 | fprintf(stderr, "qemu: '%s' invalid write error action\n", buf); |
| 2441 | return -1; |
| 2442 | } |
| 2443 | } |
| 2444 | |
| 2445 | /* compute bus and unit according index */ |
| 2446 | |
| 2447 | if (index != -1) { |
| 2448 | if (bus_id != 0 || unit_id != -1) { |
| 2449 | fprintf(stderr, |
| 2450 | "qemu: '%s' index cannot be used with bus and unit\n", str); |
| 2451 | return -1; |
| 2452 | } |
| 2453 | if (max_devs == 0) |
| 2454 | { |
| 2455 | unit_id = index; |
| 2456 | bus_id = 0; |
| 2457 | } else { |
| 2458 | unit_id = index % max_devs; |
| 2459 | bus_id = index / max_devs; |
| 2460 | } |
| 2461 | } |
| 2462 | |
| 2463 | /* if user doesn't specify a unit_id, |
| 2464 | * try to find the first free |
| 2465 | */ |
| 2466 | |
| 2467 | if (unit_id == -1) { |
| 2468 | unit_id = 0; |
| 2469 | while (drive_get_index(type, bus_id, unit_id) != -1) { |
| 2470 | unit_id++; |
| 2471 | if (max_devs && unit_id >= max_devs) { |
| 2472 | unit_id -= max_devs; |
| 2473 | bus_id++; |
| 2474 | } |
| 2475 | } |
| 2476 | } |
| 2477 | |
| 2478 | /* check unit id */ |
| 2479 | |
| 2480 | if (max_devs && unit_id >= max_devs) { |
| 2481 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", |
| 2482 | str, unit_id, max_devs - 1); |
| 2483 | return -1; |
| 2484 | } |
| 2485 | |
| 2486 | /* |
| 2487 | * ignore multiple definitions |
| 2488 | */ |
| 2489 | |
| 2490 | if (drive_get_index(type, bus_id, unit_id) != -1) |
| 2491 | return -2; |
| 2492 | |
| 2493 | /* init */ |
| 2494 | |
| 2495 | if (type == IF_IDE || type == IF_SCSI) |
| 2496 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
| 2497 | if (max_devs) |
| 2498 | snprintf(buf, sizeof(buf), "%s%i%s%i", |
| 2499 | devname, bus_id, mediastr, unit_id); |
| 2500 | else |
| 2501 | snprintf(buf, sizeof(buf), "%s%s%i", |
| 2502 | devname, mediastr, unit_id); |
| 2503 | bdrv = bdrv_new(buf); |
| 2504 | drives_table_idx = drive_get_free_idx(); |
| 2505 | drives_table[drives_table_idx].bdrv = bdrv; |
| 2506 | drives_table[drives_table_idx].type = type; |
| 2507 | drives_table[drives_table_idx].bus = bus_id; |
| 2508 | drives_table[drives_table_idx].unit = unit_id; |
| 2509 | drives_table[drives_table_idx].onerror = onerror; |
| 2510 | drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt; |
| 2511 | strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial)); |
| 2512 | nb_drives++; |
| 2513 | |
| 2514 | switch(type) { |
| 2515 | case IF_IDE: |
| 2516 | case IF_SCSI: |
| 2517 | case IF_XEN: |
| 2518 | switch(media) { |
| 2519 | case MEDIA_DISK: |
| 2520 | if (cyls != 0) { |
| 2521 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); |
| 2522 | bdrv_set_translation_hint(bdrv, translation); |
| 2523 | } |
| 2524 | break; |
| 2525 | case MEDIA_CDROM: |
| 2526 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); |
| 2527 | break; |
| 2528 | } |
| 2529 | break; |
| 2530 | case IF_SD: |
| 2531 | /* FIXME: This isn't really a floppy, but it's a reasonable |
| 2532 | approximation. */ |
| 2533 | case IF_FLOPPY: |
| 2534 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); |
| 2535 | break; |
| 2536 | case IF_PFLASH: |
| 2537 | case IF_MTD: |
| 2538 | case IF_VIRTIO: |
| 2539 | break; |
| 2540 | case IF_COUNT: |
| 2541 | abort(); |
| 2542 | } |
| 2543 | if (!file[0]) |
| 2544 | return -2; |
| 2545 | bdrv_flags = 0; |
| 2546 | if (snapshot) { |
| 2547 | bdrv_flags |= BDRV_O_SNAPSHOT; |
| 2548 | cache = 2; /* always use write-back with snapshot */ |
| 2549 | } |
| 2550 | if (cache == 0) /* no caching */ |
| 2551 | bdrv_flags |= BDRV_O_NOCACHE; |
| 2552 | else if (cache == 2) /* write-back */ |
| 2553 | bdrv_flags |= BDRV_O_CACHE_WB; |
| 2554 | else if (cache == 3) /* not specified */ |
| 2555 | bdrv_flags |= BDRV_O_CACHE_DEF; |
| 2556 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) { |
| 2557 | fprintf(stderr, "qemu: could not open disk image %s\n", |
| 2558 | file); |
| 2559 | return -1; |
| 2560 | } |
| 2561 | if (bdrv_key_required(bdrv)) |
| 2562 | autostart = 0; |
| 2563 | return drives_table_idx; |
| 2564 | } |
| 2565 | |
| 2566 | static void numa_add(const char *optarg) |
| 2567 | { |
| 2568 | char option[128]; |
| 2569 | char *endptr; |
| 2570 | unsigned long long value, endvalue; |
| 2571 | int nodenr; |
| 2572 | |
| 2573 | optarg = get_opt_name(option, 128, optarg, ',') + 1; |
| 2574 | if (!strcmp(option, "node")) { |
| 2575 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { |
| 2576 | nodenr = nb_numa_nodes; |
| 2577 | } else { |
| 2578 | nodenr = strtoull(option, NULL, 10); |
| 2579 | } |
| 2580 | |
| 2581 | if (get_param_value(option, 128, "mem", optarg) == 0) { |
| 2582 | node_mem[nodenr] = 0; |
| 2583 | } else { |
| 2584 | value = strtoull(option, &endptr, 0); |
| 2585 | switch (*endptr) { |
| 2586 | case 0: case 'M': case 'm': |
| 2587 | value <<= 20; |
| 2588 | break; |
| 2589 | case 'G': case 'g': |
| 2590 | value <<= 30; |
| 2591 | break; |
| 2592 | } |
| 2593 | node_mem[nodenr] = value; |
| 2594 | } |
| 2595 | if (get_param_value(option, 128, "cpus", optarg) == 0) { |
| 2596 | node_cpumask[nodenr] = 0; |
| 2597 | } else { |
| 2598 | value = strtoull(option, &endptr, 10); |
| 2599 | if (value >= 64) { |
| 2600 | value = 63; |
| 2601 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); |
| 2602 | } else { |
| 2603 | if (*endptr == '-') { |
| 2604 | endvalue = strtoull(endptr+1, &endptr, 10); |
| 2605 | if (endvalue >= 63) { |
| 2606 | endvalue = 62; |
| 2607 | fprintf(stderr, |
| 2608 | "only 63 CPUs in NUMA mode supported.\n"); |
| 2609 | } |
| 2610 | value = (1 << (endvalue + 1)) - (1 << value); |
| 2611 | } else { |
| 2612 | value = 1 << value; |
| 2613 | } |
| 2614 | } |
| 2615 | node_cpumask[nodenr] = value; |
| 2616 | } |
| 2617 | nb_numa_nodes++; |
| 2618 | } |
| 2619 | return; |
| 2620 | } |
| 2621 | |
| 2622 | /***********************************************************/ |
| 2623 | /* USB devices */ |
| 2624 | |
| 2625 | static USBPort *used_usb_ports; |
| 2626 | static USBPort *free_usb_ports; |
| 2627 | |
| 2628 | /* ??? Maybe change this to register a hub to keep track of the topology. */ |
| 2629 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, |
| 2630 | usb_attachfn attach) |
| 2631 | { |
| 2632 | port->opaque = opaque; |
| 2633 | port->index = index; |
| 2634 | port->attach = attach; |
| 2635 | port->next = free_usb_ports; |
| 2636 | free_usb_ports = port; |
| 2637 | } |
| 2638 | |
| 2639 | int usb_device_add_dev(USBDevice *dev) |
| 2640 | { |
| 2641 | USBPort *port; |
| 2642 | |
| 2643 | /* Find a USB port to add the device to. */ |
| 2644 | port = free_usb_ports; |
| 2645 | if (!port->next) { |
| 2646 | USBDevice *hub; |
| 2647 | |
| 2648 | /* Create a new hub and chain it on. */ |
| 2649 | free_usb_ports = NULL; |
| 2650 | port->next = used_usb_ports; |
| 2651 | used_usb_ports = port; |
| 2652 | |
| 2653 | hub = usb_hub_init(VM_USB_HUB_SIZE); |
| 2654 | usb_attach(port, hub); |
| 2655 | port = free_usb_ports; |
| 2656 | } |
| 2657 | |
| 2658 | free_usb_ports = port->next; |
| 2659 | port->next = used_usb_ports; |
| 2660 | used_usb_ports = port; |
| 2661 | usb_attach(port, dev); |
| 2662 | return 0; |
| 2663 | } |
| 2664 | |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 2665 | #if 0 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2666 | static void usb_msd_password_cb(void *opaque, int err) |
| 2667 | { |
| 2668 | USBDevice *dev = opaque; |
| 2669 | |
| 2670 | if (!err) |
| 2671 | usb_device_add_dev(dev); |
| 2672 | else |
| 2673 | dev->handle_destroy(dev); |
| 2674 | } |
David 'Digit' Turner | 3266b51 | 2010-05-10 18:44:56 -0700 | [diff] [blame] | 2675 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2676 | |
| 2677 | static int usb_device_add(const char *devname, int is_hotplug) |
| 2678 | { |
| 2679 | const char *p; |
| 2680 | USBDevice *dev; |
| 2681 | |
| 2682 | if (!free_usb_ports) |
| 2683 | return -1; |
| 2684 | |
| 2685 | if (strstart(devname, "host:", &p)) { |
| 2686 | dev = usb_host_device_open(p); |
| 2687 | } else if (!strcmp(devname, "mouse")) { |
| 2688 | dev = usb_mouse_init(); |
| 2689 | } else if (!strcmp(devname, "tablet")) { |
| 2690 | dev = usb_tablet_init(); |
| 2691 | } else if (!strcmp(devname, "keyboard")) { |
| 2692 | dev = usb_keyboard_init(); |
| 2693 | } else if (strstart(devname, "disk:", &p)) { |
| 2694 | #if 0 |
| 2695 | BlockDriverState *bs; |
| 2696 | #endif |
| 2697 | dev = usb_msd_init(p); |
| 2698 | if (!dev) |
| 2699 | return -1; |
| 2700 | #if 0 |
| 2701 | bs = usb_msd_get_bdrv(dev); |
| 2702 | if (bdrv_key_required(bs)) { |
| 2703 | autostart = 0; |
| 2704 | if (is_hotplug) { |
| 2705 | monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, |
| 2706 | dev); |
| 2707 | return 0; |
| 2708 | } |
| 2709 | } |
| 2710 | } else if (!strcmp(devname, "wacom-tablet")) { |
| 2711 | dev = usb_wacom_init(); |
| 2712 | } else if (strstart(devname, "serial:", &p)) { |
| 2713 | dev = usb_serial_init(p); |
| 2714 | #ifdef CONFIG_BRLAPI |
| 2715 | } else if (!strcmp(devname, "braille")) { |
| 2716 | dev = usb_baum_init(); |
| 2717 | #endif |
| 2718 | } else if (strstart(devname, "net:", &p)) { |
| 2719 | int nic = nb_nics; |
| 2720 | |
| 2721 | if (net_client_init("nic", p) < 0) |
| 2722 | return -1; |
| 2723 | nd_table[nic].model = "usb"; |
| 2724 | dev = usb_net_init(&nd_table[nic]); |
| 2725 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
| 2726 | dev = usb_bt_init(devname[2] ? hci_init(p) : |
| 2727 | bt_new_hci(qemu_find_bt_vlan(0))); |
| 2728 | #endif |
| 2729 | } else { |
| 2730 | return -1; |
| 2731 | } |
| 2732 | if (!dev) |
| 2733 | return -1; |
| 2734 | |
| 2735 | return usb_device_add_dev(dev); |
| 2736 | } |
| 2737 | |
| 2738 | int usb_device_del_addr(int bus_num, int addr) |
| 2739 | { |
| 2740 | USBPort *port; |
| 2741 | USBPort **lastp; |
| 2742 | USBDevice *dev; |
| 2743 | |
| 2744 | if (!used_usb_ports) |
| 2745 | return -1; |
| 2746 | |
| 2747 | if (bus_num != 0) |
| 2748 | return -1; |
| 2749 | |
| 2750 | lastp = &used_usb_ports; |
| 2751 | port = used_usb_ports; |
| 2752 | while (port && port->dev->addr != addr) { |
| 2753 | lastp = &port->next; |
| 2754 | port = port->next; |
| 2755 | } |
| 2756 | |
| 2757 | if (!port) |
| 2758 | return -1; |
| 2759 | |
| 2760 | dev = port->dev; |
| 2761 | *lastp = port->next; |
| 2762 | usb_attach(port, NULL); |
| 2763 | dev->handle_destroy(dev); |
| 2764 | port->next = free_usb_ports; |
| 2765 | free_usb_ports = port; |
| 2766 | return 0; |
| 2767 | } |
| 2768 | |
| 2769 | static int usb_device_del(const char *devname) |
| 2770 | { |
| 2771 | int bus_num, addr; |
| 2772 | const char *p; |
| 2773 | |
| 2774 | if (strstart(devname, "host:", &p)) |
| 2775 | return usb_host_device_close(p); |
| 2776 | |
| 2777 | if (!used_usb_ports) |
| 2778 | return -1; |
| 2779 | |
| 2780 | p = strchr(devname, '.'); |
| 2781 | if (!p) |
| 2782 | return -1; |
| 2783 | bus_num = strtoul(devname, NULL, 0); |
| 2784 | addr = strtoul(p + 1, NULL, 0); |
| 2785 | |
| 2786 | return usb_device_del_addr(bus_num, addr); |
| 2787 | } |
| 2788 | |
| 2789 | void do_usb_add(Monitor *mon, const char *devname) |
| 2790 | { |
| 2791 | usb_device_add(devname, 1); |
| 2792 | } |
| 2793 | |
| 2794 | void do_usb_del(Monitor *mon, const char *devname) |
| 2795 | { |
| 2796 | usb_device_del(devname); |
| 2797 | } |
| 2798 | |
| 2799 | void usb_info(Monitor *mon) |
| 2800 | { |
| 2801 | USBDevice *dev; |
| 2802 | USBPort *port; |
| 2803 | const char *speed_str; |
| 2804 | |
| 2805 | if (!usb_enabled) { |
| 2806 | monitor_printf(mon, "USB support not enabled\n"); |
| 2807 | return; |
| 2808 | } |
| 2809 | |
| 2810 | for (port = used_usb_ports; port; port = port->next) { |
| 2811 | dev = port->dev; |
| 2812 | if (!dev) |
| 2813 | continue; |
| 2814 | switch(dev->speed) { |
| 2815 | case USB_SPEED_LOW: |
| 2816 | speed_str = "1.5"; |
| 2817 | break; |
| 2818 | case USB_SPEED_FULL: |
| 2819 | speed_str = "12"; |
| 2820 | break; |
| 2821 | case USB_SPEED_HIGH: |
| 2822 | speed_str = "480"; |
| 2823 | break; |
| 2824 | default: |
| 2825 | speed_str = "?"; |
| 2826 | break; |
| 2827 | } |
| 2828 | monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n", |
| 2829 | 0, dev->addr, speed_str, dev->devname); |
| 2830 | } |
| 2831 | } |
| 2832 | |
| 2833 | /***********************************************************/ |
| 2834 | /* PCMCIA/Cardbus */ |
| 2835 | |
| 2836 | static struct pcmcia_socket_entry_s { |
| 2837 | PCMCIASocket *socket; |
| 2838 | struct pcmcia_socket_entry_s *next; |
| 2839 | } *pcmcia_sockets = 0; |
| 2840 | |
| 2841 | void pcmcia_socket_register(PCMCIASocket *socket) |
| 2842 | { |
| 2843 | struct pcmcia_socket_entry_s *entry; |
| 2844 | |
| 2845 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); |
| 2846 | entry->socket = socket; |
| 2847 | entry->next = pcmcia_sockets; |
| 2848 | pcmcia_sockets = entry; |
| 2849 | } |
| 2850 | |
| 2851 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
| 2852 | { |
| 2853 | struct pcmcia_socket_entry_s *entry, **ptr; |
| 2854 | |
| 2855 | ptr = &pcmcia_sockets; |
| 2856 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) |
| 2857 | if (entry->socket == socket) { |
| 2858 | *ptr = entry->next; |
| 2859 | qemu_free(entry); |
| 2860 | } |
| 2861 | } |
| 2862 | |
| 2863 | void pcmcia_info(Monitor *mon) |
| 2864 | { |
| 2865 | struct pcmcia_socket_entry_s *iter; |
| 2866 | |
| 2867 | if (!pcmcia_sockets) |
| 2868 | monitor_printf(mon, "No PCMCIA sockets\n"); |
| 2869 | |
| 2870 | for (iter = pcmcia_sockets; iter; iter = iter->next) |
| 2871 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
| 2872 | iter->socket->attached ? iter->socket->card_string : |
| 2873 | "Empty"); |
| 2874 | } |
| 2875 | |
| 2876 | /***********************************************************/ |
| 2877 | /* register display */ |
| 2878 | |
| 2879 | struct DisplayAllocator default_allocator = { |
| 2880 | defaultallocator_create_displaysurface, |
| 2881 | defaultallocator_resize_displaysurface, |
| 2882 | defaultallocator_free_displaysurface |
| 2883 | }; |
| 2884 | |
| 2885 | void register_displaystate(DisplayState *ds) |
| 2886 | { |
| 2887 | DisplayState **s; |
| 2888 | s = &display_state; |
| 2889 | while (*s != NULL) |
| 2890 | s = &(*s)->next; |
| 2891 | ds->next = NULL; |
| 2892 | *s = ds; |
| 2893 | } |
| 2894 | |
| 2895 | DisplayState *get_displaystate(void) |
| 2896 | { |
| 2897 | return display_state; |
| 2898 | } |
| 2899 | |
| 2900 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
| 2901 | { |
| 2902 | if(ds->allocator == &default_allocator) ds->allocator = da; |
| 2903 | return ds->allocator; |
| 2904 | } |
| 2905 | |
| 2906 | /* dumb display */ |
| 2907 | |
| 2908 | static void dumb_display_init(void) |
| 2909 | { |
| 2910 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
| 2911 | ds->allocator = &default_allocator; |
| 2912 | ds->surface = qemu_create_displaysurface(ds, 640, 480); |
| 2913 | register_displaystate(ds); |
| 2914 | } |
| 2915 | |
Vladimir Chtchetkine | dd50f7d | 2010-07-30 09:16:41 -0700 | [diff] [blame] | 2916 | static void |
| 2917 | android_display_init_from(int width, int height, int rotation, int bpp) |
| 2918 | { |
| 2919 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
| 2920 | ds->allocator = &default_allocator; |
| 2921 | ds->surface = qemu_create_displaysurface(ds, width, height); |
| 2922 | register_displaystate(ds); |
| 2923 | } |
| 2924 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2925 | /***********************************************************/ |
| 2926 | /* I/O handling */ |
| 2927 | |
| 2928 | typedef struct IOHandlerRecord { |
| 2929 | int fd; |
| 2930 | IOCanRWHandler *fd_read_poll; |
| 2931 | IOHandler *fd_read; |
| 2932 | IOHandler *fd_write; |
| 2933 | int deleted; |
| 2934 | void *opaque; |
| 2935 | /* temporary data */ |
| 2936 | struct pollfd *ufd; |
| 2937 | struct IOHandlerRecord *next; |
| 2938 | } IOHandlerRecord; |
| 2939 | |
| 2940 | static IOHandlerRecord *first_io_handler; |
| 2941 | |
| 2942 | /* XXX: fd_read_poll should be suppressed, but an API change is |
| 2943 | necessary in the character devices to suppress fd_can_read(). */ |
| 2944 | int qemu_set_fd_handler2(int fd, |
| 2945 | IOCanRWHandler *fd_read_poll, |
| 2946 | IOHandler *fd_read, |
| 2947 | IOHandler *fd_write, |
| 2948 | void *opaque) |
| 2949 | { |
| 2950 | IOHandlerRecord **pioh, *ioh; |
| 2951 | |
| 2952 | if (!fd_read && !fd_write) { |
| 2953 | pioh = &first_io_handler; |
| 2954 | for(;;) { |
| 2955 | ioh = *pioh; |
| 2956 | if (ioh == NULL) |
| 2957 | break; |
| 2958 | if (ioh->fd == fd) { |
| 2959 | ioh->deleted = 1; |
| 2960 | break; |
| 2961 | } |
| 2962 | pioh = &ioh->next; |
| 2963 | } |
| 2964 | } else { |
| 2965 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 2966 | if (ioh->fd == fd) |
| 2967 | goto found; |
| 2968 | } |
| 2969 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
| 2970 | ioh->next = first_io_handler; |
| 2971 | first_io_handler = ioh; |
| 2972 | found: |
| 2973 | ioh->fd = fd; |
| 2974 | ioh->fd_read_poll = fd_read_poll; |
| 2975 | ioh->fd_read = fd_read; |
| 2976 | ioh->fd_write = fd_write; |
| 2977 | ioh->opaque = opaque; |
| 2978 | ioh->deleted = 0; |
| 2979 | } |
| 2980 | return 0; |
| 2981 | } |
| 2982 | |
| 2983 | int qemu_set_fd_handler(int fd, |
| 2984 | IOHandler *fd_read, |
| 2985 | IOHandler *fd_write, |
| 2986 | void *opaque) |
| 2987 | { |
| 2988 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
| 2989 | } |
| 2990 | |
| 2991 | #ifdef _WIN32 |
| 2992 | /***********************************************************/ |
| 2993 | /* Polling handling */ |
| 2994 | |
| 2995 | typedef struct PollingEntry { |
| 2996 | PollingFunc *func; |
| 2997 | void *opaque; |
| 2998 | struct PollingEntry *next; |
| 2999 | } PollingEntry; |
| 3000 | |
| 3001 | static PollingEntry *first_polling_entry; |
| 3002 | |
| 3003 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) |
| 3004 | { |
| 3005 | PollingEntry **ppe, *pe; |
| 3006 | pe = qemu_mallocz(sizeof(PollingEntry)); |
| 3007 | pe->func = func; |
| 3008 | pe->opaque = opaque; |
| 3009 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); |
| 3010 | *ppe = pe; |
| 3011 | return 0; |
| 3012 | } |
| 3013 | |
| 3014 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) |
| 3015 | { |
| 3016 | PollingEntry **ppe, *pe; |
| 3017 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { |
| 3018 | pe = *ppe; |
| 3019 | if (pe->func == func && pe->opaque == opaque) { |
| 3020 | *ppe = pe->next; |
| 3021 | qemu_free(pe); |
| 3022 | break; |
| 3023 | } |
| 3024 | } |
| 3025 | } |
| 3026 | |
| 3027 | /***********************************************************/ |
| 3028 | /* Wait objects support */ |
| 3029 | typedef struct WaitObjects { |
| 3030 | int num; |
| 3031 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; |
| 3032 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; |
| 3033 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; |
| 3034 | } WaitObjects; |
| 3035 | |
| 3036 | static WaitObjects wait_objects = {0}; |
| 3037 | |
| 3038 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 3039 | { |
| 3040 | WaitObjects *w = &wait_objects; |
| 3041 | |
| 3042 | if (w->num >= MAXIMUM_WAIT_OBJECTS) |
| 3043 | return -1; |
| 3044 | w->events[w->num] = handle; |
| 3045 | w->func[w->num] = func; |
| 3046 | w->opaque[w->num] = opaque; |
| 3047 | w->num++; |
| 3048 | return 0; |
| 3049 | } |
| 3050 | |
| 3051 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
| 3052 | { |
| 3053 | int i, found; |
| 3054 | WaitObjects *w = &wait_objects; |
| 3055 | |
| 3056 | found = 0; |
| 3057 | for (i = 0; i < w->num; i++) { |
| 3058 | if (w->events[i] == handle) |
| 3059 | found = 1; |
| 3060 | if (found) { |
| 3061 | w->events[i] = w->events[i + 1]; |
| 3062 | w->func[i] = w->func[i + 1]; |
| 3063 | w->opaque[i] = w->opaque[i + 1]; |
| 3064 | } |
| 3065 | } |
| 3066 | if (found) |
| 3067 | w->num--; |
| 3068 | } |
| 3069 | #endif |
| 3070 | |
| 3071 | /***********************************************************/ |
| 3072 | /* ram save/restore */ |
| 3073 | |
| 3074 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
| 3075 | { |
| 3076 | int v; |
| 3077 | |
| 3078 | v = qemu_get_byte(f); |
| 3079 | switch(v) { |
| 3080 | case 0: |
| 3081 | if (qemu_get_buffer(f, buf, len) != len) |
| 3082 | return -EIO; |
| 3083 | break; |
| 3084 | case 1: |
| 3085 | v = qemu_get_byte(f); |
| 3086 | memset(buf, v, len); |
| 3087 | break; |
| 3088 | default: |
| 3089 | return -EINVAL; |
| 3090 | } |
| 3091 | |
| 3092 | if (qemu_file_has_error(f)) |
| 3093 | return -EIO; |
| 3094 | |
| 3095 | return 0; |
| 3096 | } |
| 3097 | |
| 3098 | static int ram_load_v1(QEMUFile *f, void *opaque) |
| 3099 | { |
| 3100 | int ret; |
| 3101 | ram_addr_t i; |
| 3102 | |
| 3103 | if (qemu_get_be32(f) != last_ram_offset) |
| 3104 | return -EINVAL; |
| 3105 | for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) { |
| 3106 | ret = ram_get_page(f, qemu_get_ram_ptr(i), TARGET_PAGE_SIZE); |
| 3107 | if (ret) |
| 3108 | return ret; |
| 3109 | } |
| 3110 | return 0; |
| 3111 | } |
| 3112 | |
| 3113 | #define BDRV_HASH_BLOCK_SIZE 1024 |
| 3114 | #define IOBUF_SIZE 4096 |
| 3115 | #define RAM_CBLOCK_MAGIC 0xfabe |
| 3116 | |
| 3117 | typedef struct RamDecompressState { |
| 3118 | z_stream zstream; |
| 3119 | QEMUFile *f; |
| 3120 | uint8_t buf[IOBUF_SIZE]; |
| 3121 | } RamDecompressState; |
| 3122 | |
| 3123 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) |
| 3124 | { |
| 3125 | int ret; |
| 3126 | memset(s, 0, sizeof(*s)); |
| 3127 | s->f = f; |
| 3128 | ret = inflateInit(&s->zstream); |
| 3129 | if (ret != Z_OK) |
| 3130 | return -1; |
| 3131 | return 0; |
| 3132 | } |
| 3133 | |
| 3134 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) |
| 3135 | { |
| 3136 | int ret, clen; |
| 3137 | |
| 3138 | s->zstream.avail_out = len; |
| 3139 | s->zstream.next_out = buf; |
| 3140 | while (s->zstream.avail_out > 0) { |
| 3141 | if (s->zstream.avail_in == 0) { |
| 3142 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) |
| 3143 | return -1; |
| 3144 | clen = qemu_get_be16(s->f); |
| 3145 | if (clen > IOBUF_SIZE) |
| 3146 | return -1; |
| 3147 | qemu_get_buffer(s->f, s->buf, clen); |
| 3148 | s->zstream.avail_in = clen; |
| 3149 | s->zstream.next_in = s->buf; |
| 3150 | } |
| 3151 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); |
| 3152 | if (ret != Z_OK && ret != Z_STREAM_END) { |
| 3153 | return -1; |
| 3154 | } |
| 3155 | } |
| 3156 | return 0; |
| 3157 | } |
| 3158 | |
| 3159 | static void ram_decompress_close(RamDecompressState *s) |
| 3160 | { |
| 3161 | inflateEnd(&s->zstream); |
| 3162 | } |
| 3163 | |
| 3164 | #define RAM_SAVE_FLAG_FULL 0x01 |
| 3165 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
| 3166 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
| 3167 | #define RAM_SAVE_FLAG_PAGE 0x08 |
| 3168 | #define RAM_SAVE_FLAG_EOS 0x10 |
| 3169 | |
| 3170 | static int is_dup_page(uint8_t *page, uint8_t ch) |
| 3171 | { |
| 3172 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
| 3173 | uint32_t *array = (uint32_t *)page; |
| 3174 | int i; |
| 3175 | |
| 3176 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
| 3177 | if (array[i] != val) |
| 3178 | return 0; |
| 3179 | } |
| 3180 | |
| 3181 | return 1; |
| 3182 | } |
| 3183 | |
| 3184 | static int ram_save_block(QEMUFile *f) |
| 3185 | { |
| 3186 | static ram_addr_t current_addr = 0; |
| 3187 | ram_addr_t saved_addr = current_addr; |
| 3188 | ram_addr_t addr = 0; |
| 3189 | int found = 0; |
| 3190 | |
| 3191 | while (addr < last_ram_offset) { |
| 3192 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
| 3193 | uint8_t *p; |
| 3194 | |
| 3195 | cpu_physical_memory_reset_dirty(current_addr, |
| 3196 | current_addr + TARGET_PAGE_SIZE, |
| 3197 | MIGRATION_DIRTY_FLAG); |
| 3198 | |
| 3199 | p = qemu_get_ram_ptr(current_addr); |
| 3200 | |
| 3201 | if (is_dup_page(p, *p)) { |
| 3202 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
| 3203 | qemu_put_byte(f, *p); |
| 3204 | } else { |
| 3205 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
| 3206 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
| 3207 | } |
| 3208 | |
| 3209 | found = 1; |
| 3210 | break; |
| 3211 | } |
| 3212 | addr += TARGET_PAGE_SIZE; |
| 3213 | current_addr = (saved_addr + addr) % last_ram_offset; |
| 3214 | } |
| 3215 | |
| 3216 | return found; |
| 3217 | } |
| 3218 | |
| 3219 | static uint64_t bytes_transferred = 0; |
| 3220 | |
| 3221 | static ram_addr_t ram_save_remaining(void) |
| 3222 | { |
| 3223 | ram_addr_t addr; |
| 3224 | ram_addr_t count = 0; |
| 3225 | |
| 3226 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
| 3227 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
| 3228 | count++; |
| 3229 | } |
| 3230 | |
| 3231 | return count; |
| 3232 | } |
| 3233 | |
| 3234 | uint64_t ram_bytes_remaining(void) |
| 3235 | { |
| 3236 | return ram_save_remaining() * TARGET_PAGE_SIZE; |
| 3237 | } |
| 3238 | |
| 3239 | uint64_t ram_bytes_transferred(void) |
| 3240 | { |
| 3241 | return bytes_transferred; |
| 3242 | } |
| 3243 | |
| 3244 | uint64_t ram_bytes_total(void) |
| 3245 | { |
| 3246 | return last_ram_offset; |
| 3247 | } |
| 3248 | |
| 3249 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) |
| 3250 | { |
| 3251 | ram_addr_t addr; |
| 3252 | uint64_t bytes_transferred_last; |
| 3253 | double bwidth = 0; |
| 3254 | uint64_t expected_time = 0; |
| 3255 | |
| 3256 | cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX); |
| 3257 | |
| 3258 | if (stage == 1) { |
| 3259 | /* Make sure all dirty bits are set */ |
| 3260 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
| 3261 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
| 3262 | cpu_physical_memory_set_dirty(addr); |
| 3263 | } |
| 3264 | |
| 3265 | /* Enable dirty memory tracking */ |
| 3266 | cpu_physical_memory_set_dirty_tracking(1); |
| 3267 | |
| 3268 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
| 3269 | } |
| 3270 | |
| 3271 | bytes_transferred_last = bytes_transferred; |
| 3272 | bwidth = get_clock(); |
| 3273 | |
| 3274 | while (!qemu_file_rate_limit(f)) { |
| 3275 | int ret; |
| 3276 | |
| 3277 | ret = ram_save_block(f); |
| 3278 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
| 3279 | if (ret == 0) /* no more blocks */ |
| 3280 | break; |
| 3281 | } |
| 3282 | |
| 3283 | bwidth = get_clock() - bwidth; |
| 3284 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
| 3285 | |
| 3286 | /* if we haven't transferred anything this round, force expected_time to a |
| 3287 | * a very high value, but without crashing */ |
| 3288 | if (bwidth == 0) |
| 3289 | bwidth = 0.000001; |
| 3290 | |
| 3291 | /* try transferring iterative blocks of memory */ |
| 3292 | |
| 3293 | if (stage == 3) { |
| 3294 | |
| 3295 | /* flush all remaining blocks regardless of rate limiting */ |
| 3296 | while (ram_save_block(f) != 0) { |
| 3297 | bytes_transferred += TARGET_PAGE_SIZE; |
| 3298 | } |
| 3299 | cpu_physical_memory_set_dirty_tracking(0); |
| 3300 | } |
| 3301 | |
| 3302 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
| 3303 | |
| 3304 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
| 3305 | |
| 3306 | return (stage == 2) && (expected_time <= migrate_max_downtime()); |
| 3307 | } |
| 3308 | |
| 3309 | static int ram_load_dead(QEMUFile *f, void *opaque) |
| 3310 | { |
| 3311 | RamDecompressState s1, *s = &s1; |
| 3312 | uint8_t buf[10]; |
| 3313 | ram_addr_t i; |
| 3314 | |
| 3315 | if (ram_decompress_open(s, f) < 0) |
| 3316 | return -EINVAL; |
| 3317 | for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) { |
| 3318 | if (ram_decompress_buf(s, buf, 1) < 0) { |
| 3319 | fprintf(stderr, "Error while reading ram block header\n"); |
| 3320 | goto error; |
| 3321 | } |
| 3322 | if (buf[0] == 0) { |
| 3323 | if (ram_decompress_buf(s, qemu_get_ram_ptr(i), |
| 3324 | BDRV_HASH_BLOCK_SIZE) < 0) { |
| 3325 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); |
| 3326 | goto error; |
| 3327 | } |
| 3328 | } else { |
| 3329 | error: |
| 3330 | printf("Error block header\n"); |
| 3331 | return -EINVAL; |
| 3332 | } |
| 3333 | } |
| 3334 | ram_decompress_close(s); |
| 3335 | |
| 3336 | return 0; |
| 3337 | } |
| 3338 | |
| 3339 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 3340 | { |
| 3341 | ram_addr_t addr; |
| 3342 | int flags; |
| 3343 | |
| 3344 | if (version_id == 1) |
| 3345 | return ram_load_v1(f, opaque); |
| 3346 | |
| 3347 | if (version_id == 2) { |
| 3348 | if (qemu_get_be32(f) != last_ram_offset) |
| 3349 | return -EINVAL; |
| 3350 | return ram_load_dead(f, opaque); |
| 3351 | } |
| 3352 | |
| 3353 | if (version_id != 3) |
| 3354 | return -EINVAL; |
| 3355 | |
| 3356 | do { |
| 3357 | addr = qemu_get_be64(f); |
| 3358 | |
| 3359 | flags = addr & ~TARGET_PAGE_MASK; |
| 3360 | addr &= TARGET_PAGE_MASK; |
| 3361 | |
| 3362 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { |
| 3363 | if (addr != last_ram_offset) |
| 3364 | return -EINVAL; |
| 3365 | } |
| 3366 | |
| 3367 | if (flags & RAM_SAVE_FLAG_FULL) { |
| 3368 | if (ram_load_dead(f, opaque) < 0) |
| 3369 | return -EINVAL; |
| 3370 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 3371 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3372 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
| 3373 | uint8_t ch = qemu_get_byte(f); |
| 3374 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
| 3375 | } else if (flags & RAM_SAVE_FLAG_PAGE) |
| 3376 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
| 3377 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
| 3378 | |
| 3379 | return 0; |
| 3380 | } |
| 3381 | |
| 3382 | void qemu_service_io(void) |
| 3383 | { |
| 3384 | qemu_notify_event(); |
| 3385 | } |
| 3386 | |
| 3387 | /***********************************************************/ |
| 3388 | /* bottom halves (can be seen as timers which expire ASAP) */ |
| 3389 | |
| 3390 | struct QEMUBH { |
| 3391 | QEMUBHFunc *cb; |
| 3392 | void *opaque; |
| 3393 | int scheduled; |
| 3394 | int idle; |
| 3395 | int deleted; |
| 3396 | QEMUBH *next; |
| 3397 | }; |
| 3398 | |
| 3399 | static QEMUBH *first_bh = NULL; |
| 3400 | |
| 3401 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) |
| 3402 | { |
| 3403 | QEMUBH *bh; |
| 3404 | bh = qemu_mallocz(sizeof(QEMUBH)); |
| 3405 | bh->cb = cb; |
| 3406 | bh->opaque = opaque; |
| 3407 | bh->next = first_bh; |
| 3408 | first_bh = bh; |
| 3409 | return bh; |
| 3410 | } |
| 3411 | |
| 3412 | int qemu_bh_poll(void) |
| 3413 | { |
| 3414 | QEMUBH *bh, **bhp; |
| 3415 | int ret; |
| 3416 | |
| 3417 | ret = 0; |
| 3418 | for (bh = first_bh; bh; bh = bh->next) { |
| 3419 | if (!bh->deleted && bh->scheduled) { |
| 3420 | bh->scheduled = 0; |
| 3421 | if (!bh->idle) |
| 3422 | ret = 1; |
| 3423 | bh->idle = 0; |
| 3424 | bh->cb(bh->opaque); |
| 3425 | } |
| 3426 | } |
| 3427 | |
| 3428 | /* remove deleted bhs */ |
| 3429 | bhp = &first_bh; |
| 3430 | while (*bhp) { |
| 3431 | bh = *bhp; |
| 3432 | if (bh->deleted) { |
| 3433 | *bhp = bh->next; |
| 3434 | qemu_free(bh); |
| 3435 | } else |
| 3436 | bhp = &bh->next; |
| 3437 | } |
| 3438 | |
| 3439 | return ret; |
| 3440 | } |
| 3441 | |
| 3442 | void qemu_bh_schedule_idle(QEMUBH *bh) |
| 3443 | { |
| 3444 | if (bh->scheduled) |
| 3445 | return; |
| 3446 | bh->scheduled = 1; |
| 3447 | bh->idle = 1; |
| 3448 | } |
| 3449 | |
| 3450 | void qemu_bh_schedule(QEMUBH *bh) |
| 3451 | { |
| 3452 | if (bh->scheduled) |
| 3453 | return; |
| 3454 | bh->scheduled = 1; |
| 3455 | bh->idle = 0; |
| 3456 | /* stop the currently executing CPU to execute the BH ASAP */ |
| 3457 | qemu_notify_event(); |
| 3458 | } |
| 3459 | |
| 3460 | void qemu_bh_cancel(QEMUBH *bh) |
| 3461 | { |
| 3462 | bh->scheduled = 0; |
| 3463 | } |
| 3464 | |
| 3465 | void qemu_bh_delete(QEMUBH *bh) |
| 3466 | { |
| 3467 | bh->scheduled = 0; |
| 3468 | bh->deleted = 1; |
| 3469 | } |
| 3470 | |
| 3471 | static void qemu_bh_update_timeout(int *timeout) |
| 3472 | { |
| 3473 | QEMUBH *bh; |
| 3474 | |
| 3475 | for (bh = first_bh; bh; bh = bh->next) { |
| 3476 | if (!bh->deleted && bh->scheduled) { |
| 3477 | if (bh->idle) { |
| 3478 | /* idle bottom halves will be polled at least |
| 3479 | * every 10ms */ |
| 3480 | *timeout = MIN(10, *timeout); |
| 3481 | } else { |
| 3482 | /* non-idle bottom halves will be executed |
| 3483 | * immediately */ |
| 3484 | *timeout = 0; |
| 3485 | break; |
| 3486 | } |
| 3487 | } |
| 3488 | } |
| 3489 | } |
| 3490 | |
| 3491 | /***********************************************************/ |
| 3492 | /* machine registration */ |
| 3493 | |
| 3494 | static QEMUMachine *first_machine = NULL; |
| 3495 | QEMUMachine *current_machine = NULL; |
| 3496 | |
| 3497 | int qemu_register_machine(QEMUMachine *m) |
| 3498 | { |
| 3499 | QEMUMachine **pm; |
| 3500 | pm = &first_machine; |
| 3501 | while (*pm != NULL) |
| 3502 | pm = &(*pm)->next; |
| 3503 | m->next = NULL; |
| 3504 | *pm = m; |
| 3505 | return 0; |
| 3506 | } |
| 3507 | |
| 3508 | static QEMUMachine *find_machine(const char *name) |
| 3509 | { |
| 3510 | QEMUMachine *m; |
| 3511 | |
| 3512 | for(m = first_machine; m != NULL; m = m->next) { |
| 3513 | if (!strcmp(m->name, name)) |
| 3514 | return m; |
| 3515 | } |
| 3516 | return NULL; |
| 3517 | } |
| 3518 | |
| 3519 | static QEMUMachine *find_default_machine(void) |
| 3520 | { |
| 3521 | QEMUMachine *m; |
| 3522 | |
| 3523 | for(m = first_machine; m != NULL; m = m->next) { |
| 3524 | if (m->is_default) { |
| 3525 | return m; |
| 3526 | } |
| 3527 | } |
| 3528 | return NULL; |
| 3529 | } |
| 3530 | |
| 3531 | /***********************************************************/ |
| 3532 | /* main execution loop */ |
| 3533 | |
| 3534 | static void gui_update(void *opaque) |
| 3535 | { |
| 3536 | uint64_t interval = GUI_REFRESH_INTERVAL; |
| 3537 | DisplayState *ds = opaque; |
| 3538 | DisplayChangeListener *dcl = ds->listeners; |
| 3539 | |
| 3540 | dpy_refresh(ds); |
| 3541 | |
| 3542 | while (dcl != NULL) { |
| 3543 | if (dcl->gui_timer_interval && |
| 3544 | dcl->gui_timer_interval < interval) |
| 3545 | interval = dcl->gui_timer_interval; |
| 3546 | dcl = dcl->next; |
| 3547 | } |
| 3548 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); |
| 3549 | } |
| 3550 | |
| 3551 | static void nographic_update(void *opaque) |
| 3552 | { |
| 3553 | uint64_t interval = GUI_REFRESH_INTERVAL; |
| 3554 | |
| 3555 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); |
| 3556 | } |
| 3557 | |
| 3558 | struct vm_change_state_entry { |
| 3559 | VMChangeStateHandler *cb; |
| 3560 | void *opaque; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3561 | QLIST_ENTRY (vm_change_state_entry) entries; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3562 | }; |
| 3563 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3564 | 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] | 3565 | |
| 3566 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
| 3567 | void *opaque) |
| 3568 | { |
| 3569 | VMChangeStateEntry *e; |
| 3570 | |
| 3571 | e = qemu_mallocz(sizeof (*e)); |
| 3572 | |
| 3573 | e->cb = cb; |
| 3574 | e->opaque = opaque; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3575 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3576 | return e; |
| 3577 | } |
| 3578 | |
| 3579 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) |
| 3580 | { |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 3581 | QLIST_REMOVE (e, entries); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 3582 | qemu_free (e); |
| 3583 | } |
| 3584 | |
| 3585 | static void vm_state_notify(int running, int reason) |
| 3586 | { |
| 3587 | VMChangeStateEntry *e; |
| 3588 | |
| 3589 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { |
| 3590 | e->cb(e->opaque, running, reason); |
| 3591 | } |
| 3592 | } |
| 3593 | |
| 3594 | static void resume_all_vcpus(void); |
| 3595 | static void pause_all_vcpus(void); |
| 3596 | |
| 3597 | void vm_start(void) |
| 3598 | { |
| 3599 | if (!vm_running) { |
| 3600 | cpu_enable_ticks(); |
| 3601 | vm_running = 1; |
| 3602 | vm_state_notify(1, 0); |
| 3603 | qemu_rearm_alarm_timer(alarm_timer); |
| 3604 | resume_all_vcpus(); |
| 3605 | } |
| 3606 | } |
| 3607 | |
| 3608 | /* reset/shutdown handler */ |
| 3609 | |
| 3610 | typedef struct QEMUResetEntry { |
| 3611 | QEMUResetHandler *func; |
| 3612 | void *opaque; |
| 3613 | int order; |
| 3614 | struct QEMUResetEntry *next; |
| 3615 | } QEMUResetEntry; |
| 3616 | |
| 3617 | static QEMUResetEntry *first_reset_entry; |
| 3618 | static int reset_requested; |
| 3619 | static int shutdown_requested; |
| 3620 | static int powerdown_requested; |
| 3621 | static int debug_requested; |
| 3622 | static int vmstop_requested; |
| 3623 | |
| 3624 | int qemu_shutdown_requested(void) |
| 3625 | { |
| 3626 | int r = shutdown_requested; |
| 3627 | shutdown_requested = 0; |
| 3628 | return r; |
| 3629 | } |
| 3630 | |
| 3631 | int qemu_reset_requested(void) |
| 3632 | { |
| 3633 | int r = reset_requested; |
| 3634 | reset_requested = 0; |
| 3635 | return r; |
| 3636 | } |
| 3637 | |
| 3638 | int qemu_powerdown_requested(void) |
| 3639 | { |
| 3640 | int r = powerdown_requested; |
| 3641 | powerdown_requested = 0; |
| 3642 | return r; |
| 3643 | } |
| 3644 | |
| 3645 | static int qemu_debug_requested(void) |
| 3646 | { |
| 3647 | int r = debug_requested; |
| 3648 | debug_requested = 0; |
| 3649 | return r; |
| 3650 | } |
| 3651 | |
| 3652 | static int qemu_vmstop_requested(void) |
| 3653 | { |
| 3654 | int r = vmstop_requested; |
| 3655 | vmstop_requested = 0; |
| 3656 | return r; |
| 3657 | } |
| 3658 | |
| 3659 | static void do_vm_stop(int reason) |
| 3660 | { |
| 3661 | if (vm_running) { |
| 3662 | cpu_disable_ticks(); |
| 3663 | vm_running = 0; |
| 3664 | pause_all_vcpus(); |
| 3665 | vm_state_notify(0, reason); |
| 3666 | } |
| 3667 | } |
| 3668 | |
| 3669 | void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque) |
| 3670 | { |
| 3671 | QEMUResetEntry **pre, *re; |
| 3672 | |
| 3673 | pre = &first_reset_entry; |
| 3674 | while (*pre != NULL && (*pre)->order >= order) { |
| 3675 | pre = &(*pre)->next; |
| 3676 | } |
| 3677 | re = qemu_mallocz(sizeof(QEMUResetEntry)); |
| 3678 | re->func = func; |
| 3679 | re->opaque = opaque; |
| 3680 | re->order = order; |
| 3681 | re->next = NULL; |
| 3682 | *pre = re; |
| 3683 | } |
| 3684 | |
| 3685 | void qemu_system_reset(void) |
| 3686 | { |
| 3687 | QEMUResetEntry *re; |
| 3688 | |
| 3689 | /* reset all devices */ |
| 3690 | for(re = first_reset_entry; re != NULL; re = re->next) { |
| 3691 | re->func(re->opaque); |
| 3692 | } |
| 3693 | } |
| 3694 | |
| 3695 | void qemu_system_reset_request(void) |
| 3696 | { |
| 3697 | if (no_reboot) { |
| 3698 | shutdown_requested = 1; |
| 3699 | } else { |
| 3700 | reset_requested = 1; |
| 3701 | } |
| 3702 | qemu_notify_event(); |
| 3703 | } |
| 3704 | |
| 3705 | void qemu_system_shutdown_request(void) |
| 3706 | { |
| 3707 | shutdown_requested = 1; |
| 3708 | qemu_notify_event(); |
| 3709 | } |
| 3710 | |
| 3711 | void qemu_system_powerdown_request(void) |
| 3712 | { |
| 3713 | powerdown_requested = 1; |
| 3714 | qemu_notify_event(); |
| 3715 | } |
| 3716 | |
| 3717 | #ifdef CONFIG_IOTHREAD |
| 3718 | static void qemu_system_vmstop_request(int reason) |
| 3719 | { |
| 3720 | vmstop_requested = reason; |
| 3721 | qemu_notify_event(); |
| 3722 | } |
| 3723 | #endif |
| 3724 | |
| 3725 | #ifndef _WIN32 |
| 3726 | static int io_thread_fd = -1; |
| 3727 | |
| 3728 | static void qemu_event_increment(void) |
| 3729 | { |
| 3730 | static const char byte = 0; |
| 3731 | |
| 3732 | if (io_thread_fd == -1) |
| 3733 | return; |
| 3734 | |
| 3735 | write(io_thread_fd, &byte, sizeof(byte)); |
| 3736 | } |
| 3737 | |
| 3738 | static void qemu_event_read(void *opaque) |
| 3739 | { |
| 3740 | int fd = (unsigned long)opaque; |
| 3741 | ssize_t len; |
| 3742 | |
| 3743 | /* Drain the notify pipe */ |
| 3744 | do { |
| 3745 | char buffer[512]; |
| 3746 | len = read(fd, buffer, sizeof(buffer)); |
| 3747 | } while ((len == -1 && errno == EINTR) || len > 0); |
| 3748 | } |
| 3749 | |
| 3750 | static int qemu_event_init(void) |
| 3751 | { |
| 3752 | int err; |
| 3753 | int fds[2]; |
| 3754 | |
| 3755 | err = pipe(fds); |
| 3756 | if (err == -1) |
| 3757 | return -errno; |
| 3758 | |
| 3759 | err = fcntl_setfl(fds[0], O_NONBLOCK); |
| 3760 | if (err < 0) |
| 3761 | goto fail; |
| 3762 | |
| 3763 | err = fcntl_setfl(fds[1], O_NONBLOCK); |
| 3764 | if (err < 0) |
| 3765 | goto fail; |
| 3766 | |
| 3767 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, |
| 3768 | (void *)(unsigned long)fds[0]); |
| 3769 | |
| 3770 | io_thread_fd = fds[1]; |
| 3771 | return 0; |
| 3772 | |
| 3773 | fail: |
| 3774 | close(fds[0]); |
| 3775 | close(fds[1]); |
| 3776 | return err; |
| 3777 | } |
| 3778 | #else |
| 3779 | HANDLE qemu_event_handle; |
| 3780 | |
| 3781 | static void dummy_event_handler(void *opaque) |
| 3782 | { |
| 3783 | } |
| 3784 | |
| 3785 | static int qemu_event_init(void) |
| 3786 | { |
| 3787 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 3788 | if (!qemu_event_handle) { |
| 3789 | perror("Failed CreateEvent"); |
| 3790 | return -1; |
| 3791 | } |
| 3792 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); |
| 3793 | return 0; |
| 3794 | } |
| 3795 | |
| 3796 | static void qemu_event_increment(void) |
| 3797 | { |
| 3798 | SetEvent(qemu_event_handle); |
| 3799 | } |
| 3800 | #endif |
| 3801 | |
| 3802 | static int cpu_can_run(CPUState *env) |
| 3803 | { |
| 3804 | if (env->stop) |
| 3805 | return 0; |
| 3806 | if (env->stopped) |
| 3807 | return 0; |
| 3808 | return 1; |
| 3809 | } |
| 3810 | |
| 3811 | #ifndef CONFIG_IOTHREAD |
| 3812 | static int qemu_init_main_loop(void) |
| 3813 | { |
| 3814 | return qemu_event_init(); |
| 3815 | } |
| 3816 | |
| 3817 | void qemu_init_vcpu(void *_env) |
| 3818 | { |
| 3819 | CPUState *env = _env; |
| 3820 | |
| 3821 | if (kvm_enabled()) |
| 3822 | kvm_init_vcpu(env); |
| 3823 | return; |
| 3824 | } |
| 3825 | |
| 3826 | int qemu_cpu_self(void *env) |
| 3827 | { |
| 3828 | return 1; |
| 3829 | } |
| 3830 | |
| 3831 | static void resume_all_vcpus(void) |
| 3832 | { |
| 3833 | } |
| 3834 | |
| 3835 | static void pause_all_vcpus(void) |
| 3836 | { |
| 3837 | } |
| 3838 | |
| 3839 | void qemu_cpu_kick(void *env) |
| 3840 | { |
| 3841 | return; |
| 3842 | } |
| 3843 | |
| 3844 | void qemu_notify_event(void) |
| 3845 | { |
| 3846 | CPUState *env = cpu_single_env; |
| 3847 | |
| 3848 | if (env) { |
| 3849 | cpu_exit(env); |
| 3850 | #ifdef USE_KQEMU |
| 3851 | if (env->kqemu_enabled) |
| 3852 | kqemu_cpu_interrupt(env); |
| 3853 | #endif |
| 3854 | } |
| 3855 | } |
| 3856 | |
| 3857 | #define qemu_mutex_lock_iothread() do { } while (0) |
| 3858 | #define qemu_mutex_unlock_iothread() do { } while (0) |
| 3859 | |
| 3860 | void vm_stop(int reason) |
| 3861 | { |
| 3862 | do_vm_stop(reason); |
| 3863 | } |
| 3864 | |
| 3865 | #else /* CONFIG_IOTHREAD */ |
| 3866 | |
| 3867 | #include "qemu-thread.h" |
| 3868 | |
| 3869 | QemuMutex qemu_global_mutex; |
| 3870 | static QemuMutex qemu_fair_mutex; |
| 3871 | |
| 3872 | static QemuThread io_thread; |
| 3873 | |
| 3874 | static QemuThread *tcg_cpu_thread; |
| 3875 | static QemuCond *tcg_halt_cond; |
| 3876 | |
| 3877 | static int qemu_system_ready; |
| 3878 | /* cpu creation */ |
| 3879 | static QemuCond qemu_cpu_cond; |
| 3880 | /* system init */ |
| 3881 | static QemuCond qemu_system_cond; |
| 3882 | static QemuCond qemu_pause_cond; |
| 3883 | |
| 3884 | static void block_io_signals(void); |
| 3885 | static void unblock_io_signals(void); |
| 3886 | static int tcg_has_work(void); |
| 3887 | |
| 3888 | static int qemu_init_main_loop(void) |
| 3889 | { |
| 3890 | int ret; |
| 3891 | |
| 3892 | ret = qemu_event_init(); |
| 3893 | if (ret) |
| 3894 | return ret; |
| 3895 | |
| 3896 | qemu_cond_init(&qemu_pause_cond); |
| 3897 | qemu_mutex_init(&qemu_fair_mutex); |
| 3898 | qemu_mutex_init(&qemu_global_mutex); |
| 3899 | qemu_mutex_lock(&qemu_global_mutex); |
| 3900 | |
| 3901 | unblock_io_signals(); |
| 3902 | qemu_thread_self(&io_thread); |
| 3903 | |
| 3904 | return 0; |
| 3905 | } |
| 3906 | |
| 3907 | static void qemu_wait_io_event(CPUState *env) |
| 3908 | { |
| 3909 | while (!tcg_has_work()) |
| 3910 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); |
| 3911 | |
| 3912 | qemu_mutex_unlock(&qemu_global_mutex); |
| 3913 | |
| 3914 | /* |
| 3915 | * Users of qemu_global_mutex can be starved, having no chance |
| 3916 | * to acquire it since this path will get to it first. |
| 3917 | * So use another lock to provide fairness. |
| 3918 | */ |
| 3919 | qemu_mutex_lock(&qemu_fair_mutex); |
| 3920 | qemu_mutex_unlock(&qemu_fair_mutex); |
| 3921 | |
| 3922 | qemu_mutex_lock(&qemu_global_mutex); |
| 3923 | if (env->stop) { |
| 3924 | env->stop = 0; |
| 3925 | env->stopped = 1; |
| 3926 | qemu_cond_signal(&qemu_pause_cond); |
| 3927 | } |
| 3928 | } |
| 3929 | |
| 3930 | static int qemu_cpu_exec(CPUState *env); |
| 3931 | |
| 3932 | static void *kvm_cpu_thread_fn(void *arg) |
| 3933 | { |
| 3934 | CPUState *env = arg; |
| 3935 | |
| 3936 | block_io_signals(); |
| 3937 | qemu_thread_self(env->thread); |
| 3938 | |
| 3939 | /* signal CPU creation */ |
| 3940 | qemu_mutex_lock(&qemu_global_mutex); |
| 3941 | env->created = 1; |
| 3942 | qemu_cond_signal(&qemu_cpu_cond); |
| 3943 | |
| 3944 | /* and wait for machine initialization */ |
| 3945 | while (!qemu_system_ready) |
| 3946 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); |
| 3947 | |
| 3948 | while (1) { |
| 3949 | if (cpu_can_run(env)) |
| 3950 | qemu_cpu_exec(env); |
| 3951 | qemu_wait_io_event(env); |
| 3952 | } |
| 3953 | |
| 3954 | return NULL; |
| 3955 | } |
| 3956 | |
| 3957 | static void tcg_cpu_exec(void); |
| 3958 | |
| 3959 | static void *tcg_cpu_thread_fn(void *arg) |
| 3960 | { |
| 3961 | CPUState *env = arg; |
| 3962 | |
| 3963 | block_io_signals(); |
| 3964 | qemu_thread_self(env->thread); |
| 3965 | |
| 3966 | /* signal CPU creation */ |
| 3967 | qemu_mutex_lock(&qemu_global_mutex); |
| 3968 | for (env = first_cpu; env != NULL; env = env->next_cpu) |
| 3969 | env->created = 1; |
| 3970 | qemu_cond_signal(&qemu_cpu_cond); |
| 3971 | |
| 3972 | /* and wait for machine initialization */ |
| 3973 | while (!qemu_system_ready) |
| 3974 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); |
| 3975 | |
| 3976 | while (1) { |
| 3977 | tcg_cpu_exec(); |
| 3978 | qemu_wait_io_event(cur_cpu); |
| 3979 | } |
| 3980 | |
| 3981 | return NULL; |
| 3982 | } |
| 3983 | |
| 3984 | void qemu_cpu_kick(void *_env) |
| 3985 | { |
| 3986 | CPUState *env = _env; |
| 3987 | qemu_cond_broadcast(env->halt_cond); |
| 3988 | if (kvm_enabled()) |
| 3989 | qemu_thread_signal(env->thread, SIGUSR1); |
| 3990 | } |
| 3991 | |
| 3992 | int qemu_cpu_self(void *env) |
| 3993 | { |
| 3994 | return (cpu_single_env != NULL); |
| 3995 | } |
| 3996 | |
| 3997 | static void cpu_signal(int sig) |
| 3998 | { |
| 3999 | if (cpu_single_env) |
| 4000 | cpu_exit(cpu_single_env); |
| 4001 | } |
| 4002 | |
| 4003 | static void block_io_signals(void) |
| 4004 | { |
| 4005 | sigset_t set; |
| 4006 | struct sigaction sigact; |
| 4007 | |
| 4008 | sigemptyset(&set); |
| 4009 | sigaddset(&set, SIGUSR2); |
| 4010 | sigaddset(&set, SIGIO); |
| 4011 | sigaddset(&set, SIGALRM); |
| 4012 | pthread_sigmask(SIG_BLOCK, &set, NULL); |
| 4013 | |
| 4014 | sigemptyset(&set); |
| 4015 | sigaddset(&set, SIGUSR1); |
| 4016 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); |
| 4017 | |
| 4018 | memset(&sigact, 0, sizeof(sigact)); |
| 4019 | sigact.sa_handler = cpu_signal; |
| 4020 | sigaction(SIGUSR1, &sigact, NULL); |
| 4021 | } |
| 4022 | |
| 4023 | static void unblock_io_signals(void) |
| 4024 | { |
| 4025 | sigset_t set; |
| 4026 | |
| 4027 | sigemptyset(&set); |
| 4028 | sigaddset(&set, SIGUSR2); |
| 4029 | sigaddset(&set, SIGIO); |
| 4030 | sigaddset(&set, SIGALRM); |
| 4031 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); |
| 4032 | |
| 4033 | sigemptyset(&set); |
| 4034 | sigaddset(&set, SIGUSR1); |
| 4035 | pthread_sigmask(SIG_BLOCK, &set, NULL); |
| 4036 | } |
| 4037 | |
| 4038 | static void qemu_signal_lock(unsigned int msecs) |
| 4039 | { |
| 4040 | qemu_mutex_lock(&qemu_fair_mutex); |
| 4041 | |
| 4042 | while (qemu_mutex_trylock(&qemu_global_mutex)) { |
| 4043 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); |
| 4044 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) |
| 4045 | break; |
| 4046 | } |
| 4047 | qemu_mutex_unlock(&qemu_fair_mutex); |
| 4048 | } |
| 4049 | |
| 4050 | static void qemu_mutex_lock_iothread(void) |
| 4051 | { |
| 4052 | if (kvm_enabled()) { |
| 4053 | qemu_mutex_lock(&qemu_fair_mutex); |
| 4054 | qemu_mutex_lock(&qemu_global_mutex); |
| 4055 | qemu_mutex_unlock(&qemu_fair_mutex); |
| 4056 | } else |
| 4057 | qemu_signal_lock(100); |
| 4058 | } |
| 4059 | |
| 4060 | static void qemu_mutex_unlock_iothread(void) |
| 4061 | { |
| 4062 | qemu_mutex_unlock(&qemu_global_mutex); |
| 4063 | } |
| 4064 | |
| 4065 | static int all_vcpus_paused(void) |
| 4066 | { |
| 4067 | CPUState *penv = first_cpu; |
| 4068 | |
| 4069 | while (penv) { |
| 4070 | if (!penv->stopped) |
| 4071 | return 0; |
| 4072 | penv = (CPUState *)penv->next_cpu; |
| 4073 | } |
| 4074 | |
| 4075 | return 1; |
| 4076 | } |
| 4077 | |
| 4078 | static void pause_all_vcpus(void) |
| 4079 | { |
| 4080 | CPUState *penv = first_cpu; |
| 4081 | |
| 4082 | while (penv) { |
| 4083 | penv->stop = 1; |
| 4084 | qemu_thread_signal(penv->thread, SIGUSR1); |
| 4085 | qemu_cpu_kick(penv); |
| 4086 | penv = (CPUState *)penv->next_cpu; |
| 4087 | } |
| 4088 | |
| 4089 | while (!all_vcpus_paused()) { |
| 4090 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); |
| 4091 | penv = first_cpu; |
| 4092 | while (penv) { |
| 4093 | qemu_thread_signal(penv->thread, SIGUSR1); |
| 4094 | penv = (CPUState *)penv->next_cpu; |
| 4095 | } |
| 4096 | } |
| 4097 | } |
| 4098 | |
| 4099 | static void resume_all_vcpus(void) |
| 4100 | { |
| 4101 | CPUState *penv = first_cpu; |
| 4102 | |
| 4103 | while (penv) { |
| 4104 | penv->stop = 0; |
| 4105 | penv->stopped = 0; |
| 4106 | qemu_thread_signal(penv->thread, SIGUSR1); |
| 4107 | qemu_cpu_kick(penv); |
| 4108 | penv = (CPUState *)penv->next_cpu; |
| 4109 | } |
| 4110 | } |
| 4111 | |
| 4112 | static void tcg_init_vcpu(void *_env) |
| 4113 | { |
| 4114 | CPUState *env = _env; |
| 4115 | /* share a single thread for all cpus with TCG */ |
| 4116 | if (!tcg_cpu_thread) { |
| 4117 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
| 4118 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); |
| 4119 | qemu_cond_init(env->halt_cond); |
| 4120 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); |
| 4121 | while (env->created == 0) |
| 4122 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); |
| 4123 | tcg_cpu_thread = env->thread; |
| 4124 | tcg_halt_cond = env->halt_cond; |
| 4125 | } else { |
| 4126 | env->thread = tcg_cpu_thread; |
| 4127 | env->halt_cond = tcg_halt_cond; |
| 4128 | } |
| 4129 | } |
| 4130 | |
| 4131 | static void kvm_start_vcpu(CPUState *env) |
| 4132 | { |
| 4133 | #if 0 |
| 4134 | kvm_init_vcpu(env); |
| 4135 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
| 4136 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); |
| 4137 | qemu_cond_init(env->halt_cond); |
| 4138 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); |
| 4139 | while (env->created == 0) |
| 4140 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); |
| 4141 | #endif |
| 4142 | } |
| 4143 | |
| 4144 | void qemu_init_vcpu(void *_env) |
| 4145 | { |
| 4146 | CPUState *env = _env; |
| 4147 | |
| 4148 | if (kvm_enabled()) |
| 4149 | kvm_start_vcpu(env); |
| 4150 | else |
| 4151 | tcg_init_vcpu(env); |
| 4152 | } |
| 4153 | |
| 4154 | void qemu_notify_event(void) |
| 4155 | { |
| 4156 | qemu_event_increment(); |
| 4157 | } |
| 4158 | |
| 4159 | void vm_stop(int reason) |
| 4160 | { |
| 4161 | QemuThread me; |
| 4162 | qemu_thread_self(&me); |
| 4163 | |
| 4164 | if (!qemu_thread_equal(&me, &io_thread)) { |
| 4165 | qemu_system_vmstop_request(reason); |
| 4166 | /* |
| 4167 | * FIXME: should not return to device code in case |
| 4168 | * vm_stop() has been requested. |
| 4169 | */ |
| 4170 | if (cpu_single_env) { |
| 4171 | cpu_exit(cpu_single_env); |
| 4172 | cpu_single_env->stop = 1; |
| 4173 | } |
| 4174 | return; |
| 4175 | } |
| 4176 | do_vm_stop(reason); |
| 4177 | } |
| 4178 | |
| 4179 | #endif |
| 4180 | |
| 4181 | |
| 4182 | #ifdef _WIN32 |
| 4183 | static void host_main_loop_wait(int *timeout) |
| 4184 | { |
| 4185 | int ret, ret2, i; |
| 4186 | PollingEntry *pe; |
| 4187 | |
| 4188 | |
| 4189 | /* XXX: need to suppress polling by better using win32 events */ |
| 4190 | ret = 0; |
| 4191 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { |
| 4192 | ret |= pe->func(pe->opaque); |
| 4193 | } |
| 4194 | if (ret == 0) { |
| 4195 | int err; |
| 4196 | WaitObjects *w = &wait_objects; |
| 4197 | |
| 4198 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
| 4199 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
| 4200 | if (w->func[ret - WAIT_OBJECT_0]) |
| 4201 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); |
| 4202 | |
| 4203 | /* Check for additional signaled events */ |
| 4204 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
| 4205 | |
| 4206 | /* Check if event is signaled */ |
| 4207 | ret2 = WaitForSingleObject(w->events[i], 0); |
| 4208 | if(ret2 == WAIT_OBJECT_0) { |
| 4209 | if (w->func[i]) |
| 4210 | w->func[i](w->opaque[i]); |
| 4211 | } else if (ret2 == WAIT_TIMEOUT) { |
| 4212 | } else { |
| 4213 | err = GetLastError(); |
| 4214 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); |
| 4215 | } |
| 4216 | } |
| 4217 | } else if (ret == WAIT_TIMEOUT) { |
| 4218 | } else { |
| 4219 | err = GetLastError(); |
| 4220 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
| 4221 | } |
| 4222 | } |
| 4223 | |
| 4224 | *timeout = 0; |
| 4225 | } |
| 4226 | #else |
| 4227 | static void host_main_loop_wait(int *timeout) |
| 4228 | { |
| 4229 | } |
| 4230 | #endif |
| 4231 | |
| 4232 | void main_loop_wait(int timeout) |
| 4233 | { |
| 4234 | IOHandlerRecord *ioh; |
| 4235 | fd_set rfds, wfds, xfds; |
| 4236 | int ret, nfds; |
| 4237 | struct timeval tv; |
| 4238 | |
| 4239 | qemu_bh_update_timeout(&timeout); |
| 4240 | |
| 4241 | host_main_loop_wait(&timeout); |
| 4242 | |
| 4243 | /* poll any events */ |
| 4244 | /* XXX: separate device handlers from system ones */ |
| 4245 | nfds = -1; |
| 4246 | FD_ZERO(&rfds); |
| 4247 | FD_ZERO(&wfds); |
| 4248 | FD_ZERO(&xfds); |
| 4249 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 4250 | if (ioh->deleted) |
| 4251 | continue; |
| 4252 | if (ioh->fd_read && |
| 4253 | (!ioh->fd_read_poll || |
| 4254 | ioh->fd_read_poll(ioh->opaque) != 0)) { |
| 4255 | FD_SET(ioh->fd, &rfds); |
| 4256 | if (ioh->fd > nfds) |
| 4257 | nfds = ioh->fd; |
| 4258 | } |
| 4259 | if (ioh->fd_write) { |
| 4260 | FD_SET(ioh->fd, &wfds); |
| 4261 | if (ioh->fd > nfds) |
| 4262 | nfds = ioh->fd; |
| 4263 | } |
| 4264 | } |
| 4265 | |
| 4266 | tv.tv_sec = timeout / 1000; |
| 4267 | tv.tv_usec = (timeout % 1000) * 1000; |
| 4268 | |
| 4269 | #if defined(CONFIG_SLIRP) |
| 4270 | if (slirp_is_inited()) { |
| 4271 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
| 4272 | } |
| 4273 | #endif |
| 4274 | qemu_mutex_unlock_iothread(); |
| 4275 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
| 4276 | qemu_mutex_lock_iothread(); |
| 4277 | if (ret > 0) { |
| 4278 | IOHandlerRecord **pioh; |
| 4279 | |
| 4280 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 4281 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
| 4282 | ioh->fd_read(ioh->opaque); |
| 4283 | } |
| 4284 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
| 4285 | ioh->fd_write(ioh->opaque); |
| 4286 | } |
| 4287 | } |
| 4288 | |
| 4289 | /* remove deleted IO handlers */ |
| 4290 | pioh = &first_io_handler; |
| 4291 | while (*pioh) { |
| 4292 | ioh = *pioh; |
| 4293 | if (ioh->deleted) { |
| 4294 | *pioh = ioh->next; |
| 4295 | qemu_free(ioh); |
| 4296 | } else |
| 4297 | pioh = &ioh->next; |
| 4298 | } |
| 4299 | } |
| 4300 | #if defined(CONFIG_SLIRP) |
| 4301 | if (slirp_is_inited()) { |
| 4302 | if (ret < 0) { |
| 4303 | FD_ZERO(&rfds); |
| 4304 | FD_ZERO(&wfds); |
| 4305 | FD_ZERO(&xfds); |
| 4306 | } |
| 4307 | slirp_select_poll(&rfds, &wfds, &xfds); |
| 4308 | } |
| 4309 | #endif |
| 4310 | charpipe_poll(); |
| 4311 | |
| 4312 | /* rearm timer, if not periodic */ |
| 4313 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { |
| 4314 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; |
| 4315 | qemu_rearm_alarm_timer(alarm_timer); |
| 4316 | } |
| 4317 | |
| 4318 | /* vm time timers */ |
| 4319 | if (vm_running) { |
| 4320 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4321 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4322 | qemu_get_clock(vm_clock)); |
| 4323 | } |
| 4324 | |
| 4325 | /* real time timers */ |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4326 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4327 | qemu_get_clock(rt_clock)); |
| 4328 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 4329 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
| 4330 | qemu_get_clock(host_clock)); |
| 4331 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4332 | /* Check bottom-halves last in case any of the earlier events triggered |
| 4333 | them. */ |
| 4334 | qemu_bh_poll(); |
| 4335 | |
| 4336 | } |
| 4337 | |
| 4338 | static int qemu_cpu_exec(CPUState *env) |
| 4339 | { |
| 4340 | int ret; |
| 4341 | #ifdef CONFIG_PROFILER |
| 4342 | int64_t ti; |
| 4343 | #endif |
| 4344 | |
| 4345 | #ifdef CONFIG_PROFILER |
| 4346 | ti = profile_getclock(); |
| 4347 | #endif |
| 4348 | if (use_icount) { |
| 4349 | int64_t count; |
| 4350 | int decr; |
| 4351 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); |
| 4352 | env->icount_decr.u16.low = 0; |
| 4353 | env->icount_extra = 0; |
| 4354 | count = qemu_next_deadline(); |
| 4355 | count = (count + (1 << icount_time_shift) - 1) |
| 4356 | >> icount_time_shift; |
| 4357 | qemu_icount += count; |
| 4358 | decr = (count > 0xffff) ? 0xffff : count; |
| 4359 | count -= decr; |
| 4360 | env->icount_decr.u16.low = decr; |
| 4361 | env->icount_extra = count; |
| 4362 | } |
David 'Digit' Turner | a577fca | 2009-10-15 18:18:09 -0700 | [diff] [blame] | 4363 | #ifdef CONFIG_TRACE |
| 4364 | if (tbflush_requested) { |
| 4365 | tbflush_requested = 0; |
| 4366 | tb_flush(env); |
| 4367 | return EXCP_INTERRUPT; |
| 4368 | } |
| 4369 | #endif |
| 4370 | |
| 4371 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 4372 | ret = cpu_exec(env); |
| 4373 | #ifdef CONFIG_PROFILER |
| 4374 | qemu_time += profile_getclock() - ti; |
| 4375 | #endif |
| 4376 | if (use_icount) { |
| 4377 | /* Fold pending instructions back into the |
| 4378 | instruction counter, and clear the interrupt flag. */ |
| 4379 | qemu_icount -= (env->icount_decr.u16.low |
| 4380 | + env->icount_extra); |
| 4381 | env->icount_decr.u32 = 0; |
| 4382 | env->icount_extra = 0; |
| 4383 | } |
| 4384 | return ret; |
| 4385 | } |
| 4386 | |
| 4387 | static void tcg_cpu_exec(void) |
| 4388 | { |
| 4389 | int ret = 0; |
| 4390 | |
| 4391 | if (next_cpu == NULL) |
| 4392 | next_cpu = first_cpu; |
| 4393 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { |
| 4394 | CPUState *env = cur_cpu = next_cpu; |
| 4395 | |
| 4396 | if (!vm_running) |
| 4397 | break; |
| 4398 | if (timer_alarm_pending) { |
| 4399 | timer_alarm_pending = 0; |
| 4400 | break; |
| 4401 | } |
| 4402 | if (cpu_can_run(env)) |
| 4403 | ret = qemu_cpu_exec(env); |
| 4404 | if (ret == EXCP_DEBUG) { |
| 4405 | gdb_set_stop_cpu(env); |
| 4406 | debug_requested = 1; |
| 4407 | break; |
| 4408 | } |
| 4409 | } |
| 4410 | } |
| 4411 | |
| 4412 | static int cpu_has_work(CPUState *env) |
| 4413 | { |
| 4414 | if (env->stop) |
| 4415 | return 1; |
| 4416 | if (env->stopped) |
| 4417 | return 0; |
| 4418 | if (!env->halted) |
| 4419 | return 1; |
| 4420 | if (qemu_cpu_has_work(env)) |
| 4421 | return 1; |
| 4422 | return 0; |
| 4423 | } |
| 4424 | |
| 4425 | static int tcg_has_work(void) |
| 4426 | { |
| 4427 | CPUState *env; |
| 4428 | |
| 4429 | for (env = first_cpu; env != NULL; env = env->next_cpu) |
| 4430 | if (cpu_has_work(env)) |
| 4431 | return 1; |
| 4432 | return 0; |
| 4433 | } |
| 4434 | |
| 4435 | static int qemu_calculate_timeout(void) |
| 4436 | { |
| 4437 | #ifndef CONFIG_IOTHREAD |
| 4438 | int timeout; |
| 4439 | |
| 4440 | if (!vm_running) |
| 4441 | timeout = 5000; |
| 4442 | else if (tcg_has_work()) |
| 4443 | timeout = 0; |
| 4444 | else if (!use_icount) |
| 4445 | timeout = 5000; |
| 4446 | else { |
| 4447 | /* XXX: use timeout computed from timers */ |
| 4448 | int64_t add; |
| 4449 | int64_t delta; |
| 4450 | /* Advance virtual time to the next event. */ |
| 4451 | if (use_icount == 1) { |
| 4452 | /* When not using an adaptive execution frequency |
| 4453 | we tend to get badly out of sync with real time, |
| 4454 | so just delay for a reasonable amount of time. */ |
| 4455 | delta = 0; |
| 4456 | } else { |
| 4457 | delta = cpu_get_icount() - cpu_get_clock(); |
| 4458 | } |
| 4459 | if (delta > 0) { |
| 4460 | /* If virtual time is ahead of real time then just |
| 4461 | wait for IO. */ |
| 4462 | timeout = (delta / 1000000) + 1; |
| 4463 | } else { |
| 4464 | /* Wait for either IO to occur or the next |
| 4465 | timer event. */ |
| 4466 | add = qemu_next_deadline(); |
| 4467 | /* We advance the timer before checking for IO. |
| 4468 | Limit the amount we advance so that early IO |
| 4469 | activity won't get the guest too far ahead. */ |
| 4470 | if (add > 10000000) |
| 4471 | add = 10000000; |
| 4472 | delta += add; |
| 4473 | add = (add + (1 << icount_time_shift) - 1) |
| 4474 | >> icount_time_shift; |
| 4475 | qemu_icount += add; |
| 4476 | timeout = delta / 1000000; |
| 4477 | if (timeout < 0) |
| 4478 | timeout = 0; |
| 4479 | } |
| 4480 | } |
| 4481 | |
| 4482 | return timeout; |
| 4483 | #else /* CONFIG_IOTHREAD */ |
| 4484 | return 1000; |
| 4485 | #endif |
| 4486 | } |
| 4487 | |
| 4488 | static int vm_can_run(void) |
| 4489 | { |
| 4490 | if (powerdown_requested) |
| 4491 | return 0; |
| 4492 | if (reset_requested) |
| 4493 | return 0; |
| 4494 | if (shutdown_requested) |
| 4495 | return 0; |
| 4496 | if (debug_requested) |
| 4497 | return 0; |
| 4498 | return 1; |
| 4499 | } |
| 4500 | |
| 4501 | static void main_loop(void) |
| 4502 | { |
| 4503 | int r; |
| 4504 | |
| 4505 | #ifdef CONFIG_IOTHREAD |
| 4506 | qemu_system_ready = 1; |
| 4507 | qemu_cond_broadcast(&qemu_system_cond); |
| 4508 | #endif |
| 4509 | |
| 4510 | for (;;) { |
| 4511 | do { |
| 4512 | #ifdef CONFIG_PROFILER |
| 4513 | int64_t ti; |
| 4514 | #endif |
| 4515 | #ifndef CONFIG_IOTHREAD |
| 4516 | tcg_cpu_exec(); |
| 4517 | #endif |
| 4518 | #ifdef CONFIG_PROFILER |
| 4519 | ti = profile_getclock(); |
| 4520 | #endif |
| 4521 | main_loop_wait(qemu_calculate_timeout()); |
| 4522 | #ifdef CONFIG_PROFILER |
| 4523 | dev_time += profile_getclock() - ti; |
| 4524 | #endif |
| 4525 | } while (vm_can_run()); |
| 4526 | |
| 4527 | if (qemu_debug_requested()) |
| 4528 | vm_stop(EXCP_DEBUG); |
| 4529 | if (qemu_shutdown_requested()) { |
| 4530 | if (no_shutdown) { |
| 4531 | vm_stop(0); |
| 4532 | no_shutdown = 0; |
| 4533 | } else |
| 4534 | break; |
| 4535 | } |
| 4536 | if (qemu_reset_requested()) { |
| 4537 | pause_all_vcpus(); |
| 4538 | qemu_system_reset(); |
| 4539 | resume_all_vcpus(); |
| 4540 | } |
| 4541 | if (qemu_powerdown_requested()) |
| 4542 | qemu_system_powerdown(); |
| 4543 | if ((r = qemu_vmstop_requested())) |
| 4544 | vm_stop(r); |
| 4545 | } |
| 4546 | pause_all_vcpus(); |
| 4547 | } |
| 4548 | |
| 4549 | static void version(void) |
| 4550 | { |
| 4551 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
| 4552 | } |
| 4553 | |
| 4554 | void qemu_help(int exitcode) |
| 4555 | { |
| 4556 | version(); |
| 4557 | printf("usage: %s [options] [disk_image]\n" |
| 4558 | "\n" |
| 4559 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
| 4560 | "\n" |
| 4561 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
| 4562 | opt_help |
| 4563 | #define DEFHEADING(text) stringify(text) "\n" |
| 4564 | #include "qemu-options.h" |
| 4565 | #undef DEF |
| 4566 | #undef DEFHEADING |
| 4567 | #undef GEN_DOCS |
| 4568 | "\n" |
| 4569 | "During emulation, the following keys are useful:\n" |
| 4570 | "ctrl-alt-f toggle full screen\n" |
| 4571 | "ctrl-alt-n switch to virtual console 'n'\n" |
| 4572 | "ctrl-alt toggle mouse and keyboard grab\n" |
| 4573 | "\n" |
| 4574 | "When using -nographic, press 'ctrl-a h' to get some help.\n" |
| 4575 | , |
| 4576 | "qemu", |
| 4577 | DEFAULT_RAM_SIZE, |
| 4578 | #ifndef _WIN32 |
| 4579 | DEFAULT_NETWORK_SCRIPT, |
| 4580 | DEFAULT_NETWORK_DOWN_SCRIPT, |
| 4581 | #endif |
| 4582 | DEFAULT_GDBSTUB_PORT, |
| 4583 | "/tmp/qemu.log"); |
| 4584 | exit(exitcode); |
| 4585 | } |
| 4586 | |
| 4587 | #define HAS_ARG 0x0001 |
| 4588 | |
| 4589 | enum { |
| 4590 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
| 4591 | opt_enum, |
| 4592 | #define DEFHEADING(text) |
| 4593 | #include "qemu-options.h" |
| 4594 | #undef DEF |
| 4595 | #undef DEFHEADING |
| 4596 | #undef GEN_DOCS |
| 4597 | }; |
| 4598 | |
| 4599 | typedef struct QEMUOption { |
| 4600 | const char *name; |
| 4601 | int flags; |
| 4602 | int index; |
| 4603 | } QEMUOption; |
| 4604 | |
| 4605 | static const QEMUOption qemu_options[] = { |
| 4606 | { "h", 0, QEMU_OPTION_h }, |
| 4607 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
| 4608 | { option, opt_arg, opt_enum }, |
| 4609 | #define DEFHEADING(text) |
| 4610 | #include "qemu-options.h" |
| 4611 | #undef DEF |
| 4612 | #undef DEFHEADING |
| 4613 | #undef GEN_DOCS |
| 4614 | { NULL, 0, 0 }, |
| 4615 | }; |
| 4616 | |
| 4617 | #ifdef HAS_AUDIO |
| 4618 | struct soundhw soundhw[] = { |
| 4619 | #ifdef HAS_AUDIO_CHOICE |
| 4620 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
| 4621 | { |
| 4622 | "pcspk", |
| 4623 | "PC speaker", |
| 4624 | 0, |
| 4625 | 1, |
| 4626 | { .init_isa = pcspk_audio_init } |
| 4627 | }, |
| 4628 | #endif |
| 4629 | |
| 4630 | #ifdef CONFIG_SB16 |
| 4631 | { |
| 4632 | "sb16", |
| 4633 | "Creative Sound Blaster 16", |
| 4634 | 0, |
| 4635 | 1, |
| 4636 | { .init_isa = SB16_init } |
| 4637 | }, |
| 4638 | #endif |
| 4639 | |
| 4640 | #ifdef CONFIG_CS4231A |
| 4641 | { |
| 4642 | "cs4231a", |
| 4643 | "CS4231A", |
| 4644 | 0, |
| 4645 | 1, |
| 4646 | { .init_isa = cs4231a_init } |
| 4647 | }, |
| 4648 | #endif |
| 4649 | |
| 4650 | #ifdef CONFIG_ADLIB |
| 4651 | { |
| 4652 | "adlib", |
| 4653 | #ifdef HAS_YMF262 |
| 4654 | "Yamaha YMF262 (OPL3)", |
| 4655 | #else |
| 4656 | "Yamaha YM3812 (OPL2)", |
| 4657 | #endif |
| 4658 | 0, |
| 4659 | 1, |
| 4660 | { .init_isa = Adlib_init } |
| 4661 | }, |
| 4662 | #endif |
| 4663 | |
| 4664 | #ifdef CONFIG_GUS |
| 4665 | { |
| 4666 | "gus", |
| 4667 | "Gravis Ultrasound GF1", |
| 4668 | 0, |
| 4669 | 1, |
| 4670 | { .init_isa = GUS_init } |
| 4671 | }, |
| 4672 | #endif |
| 4673 | |
| 4674 | #ifdef CONFIG_AC97 |
| 4675 | { |
| 4676 | "ac97", |
| 4677 | "Intel 82801AA AC97 Audio", |
| 4678 | 0, |
| 4679 | 0, |
| 4680 | { .init_pci = ac97_init } |
| 4681 | }, |
| 4682 | #endif |
| 4683 | |
| 4684 | #ifdef CONFIG_ES1370 |
| 4685 | { |
| 4686 | "es1370", |
| 4687 | "ENSONIQ AudioPCI ES1370", |
| 4688 | 0, |
| 4689 | 0, |
| 4690 | { .init_pci = es1370_init } |
| 4691 | }, |
| 4692 | #endif |
| 4693 | |
| 4694 | #endif /* HAS_AUDIO_CHOICE */ |
| 4695 | |
| 4696 | { NULL, NULL, 0, 0, { NULL } } |
| 4697 | }; |
| 4698 | |
| 4699 | static void select_soundhw (const char *optarg) |
| 4700 | { |
| 4701 | struct soundhw *c; |
| 4702 | |
| 4703 | if (*optarg == '?') { |
| 4704 | show_valid_cards: |
| 4705 | |
| 4706 | printf ("Valid sound card names (comma separated):\n"); |
| 4707 | for (c = soundhw; c->name; ++c) { |
| 4708 | printf ("%-11s %s\n", c->name, c->descr); |
| 4709 | } |
| 4710 | printf ("\n-soundhw all will enable all of the above\n"); |
| 4711 | exit (*optarg != '?'); |
| 4712 | } |
| 4713 | else { |
| 4714 | size_t l; |
| 4715 | const char *p; |
| 4716 | char *e; |
| 4717 | int bad_card = 0; |
| 4718 | |
| 4719 | if (!strcmp (optarg, "all")) { |
| 4720 | for (c = soundhw; c->name; ++c) { |
| 4721 | c->enabled = 1; |
| 4722 | } |
| 4723 | return; |
| 4724 | } |
| 4725 | |
| 4726 | p = optarg; |
| 4727 | while (*p) { |
| 4728 | e = strchr (p, ','); |
| 4729 | l = !e ? strlen (p) : (size_t) (e - p); |
| 4730 | |
| 4731 | for (c = soundhw; c->name; ++c) { |
| 4732 | if (!strncmp (c->name, p, l)) { |
| 4733 | c->enabled = 1; |
| 4734 | break; |
| 4735 | } |
| 4736 | } |
| 4737 | |
| 4738 | if (!c->name) { |
| 4739 | if (l > 80) { |
| 4740 | fprintf (stderr, |
| 4741 | "Unknown sound card name (too big to show)\n"); |
| 4742 | } |
| 4743 | else { |
| 4744 | fprintf (stderr, "Unknown sound card name `%.*s'\n", |
| 4745 | (int) l, p); |
| 4746 | } |
| 4747 | bad_card = 1; |
| 4748 | } |
| 4749 | p += l + (e != NULL); |
| 4750 | } |
| 4751 | |
| 4752 | if (bad_card) |
| 4753 | goto show_valid_cards; |
| 4754 | } |
| 4755 | } |
| 4756 | #endif |
| 4757 | |
| 4758 | static void select_vgahw (const char *p) |
| 4759 | { |
| 4760 | const char *opts; |
| 4761 | |
| 4762 | cirrus_vga_enabled = 0; |
| 4763 | std_vga_enabled = 0; |
| 4764 | vmsvga_enabled = 0; |
| 4765 | xenfb_enabled = 0; |
| 4766 | if (strstart(p, "std", &opts)) { |
| 4767 | std_vga_enabled = 1; |
| 4768 | } else if (strstart(p, "cirrus", &opts)) { |
| 4769 | cirrus_vga_enabled = 1; |
| 4770 | } else if (strstart(p, "vmware", &opts)) { |
| 4771 | vmsvga_enabled = 1; |
| 4772 | } else if (strstart(p, "xenfb", &opts)) { |
| 4773 | xenfb_enabled = 1; |
| 4774 | } else if (!strstart(p, "none", &opts)) { |
| 4775 | invalid_vga: |
| 4776 | fprintf(stderr, "Unknown vga type: %s\n", p); |
| 4777 | exit(1); |
| 4778 | } |
| 4779 | while (*opts) { |
| 4780 | const char *nextopt; |
| 4781 | |
| 4782 | if (strstart(opts, ",retrace=", &nextopt)) { |
| 4783 | opts = nextopt; |
| 4784 | if (strstart(opts, "dumb", &nextopt)) |
| 4785 | vga_retrace_method = VGA_RETRACE_DUMB; |
| 4786 | else if (strstart(opts, "precise", &nextopt)) |
| 4787 | vga_retrace_method = VGA_RETRACE_PRECISE; |
| 4788 | else goto invalid_vga; |
| 4789 | } else goto invalid_vga; |
| 4790 | opts = nextopt; |
| 4791 | } |
| 4792 | } |
| 4793 | |
| 4794 | #ifdef _WIN32 |
| 4795 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) |
| 4796 | { |
| 4797 | exit(STATUS_CONTROL_C_EXIT); |
| 4798 | return TRUE; |
| 4799 | } |
| 4800 | #endif |
| 4801 | |
| 4802 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
| 4803 | { |
| 4804 | int ret; |
| 4805 | |
| 4806 | if(strlen(str) != 36) |
| 4807 | return -1; |
| 4808 | |
| 4809 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
| 4810 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
| 4811 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); |
| 4812 | |
| 4813 | if(ret != 16) |
| 4814 | return -1; |
| 4815 | |
| 4816 | #ifdef TARGET_I386 |
| 4817 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
| 4818 | #endif |
| 4819 | |
| 4820 | return 0; |
| 4821 | } |
| 4822 | |
| 4823 | #define MAX_NET_CLIENTS 32 |
| 4824 | |
| 4825 | #ifndef _WIN32 |
| 4826 | |
| 4827 | static void termsig_handler(int signal) |
| 4828 | { |
| 4829 | qemu_system_shutdown_request(); |
| 4830 | } |
| 4831 | |
| 4832 | static void sigchld_handler(int signal) |
| 4833 | { |
| 4834 | waitpid(-1, NULL, WNOHANG); |
| 4835 | } |
| 4836 | |
| 4837 | static void sighandler_setup(void) |
| 4838 | { |
| 4839 | struct sigaction act; |
| 4840 | |
| 4841 | memset(&act, 0, sizeof(act)); |
| 4842 | act.sa_handler = termsig_handler; |
| 4843 | sigaction(SIGINT, &act, NULL); |
| 4844 | sigaction(SIGHUP, &act, NULL); |
| 4845 | sigaction(SIGTERM, &act, NULL); |
| 4846 | |
| 4847 | act.sa_handler = sigchld_handler; |
| 4848 | act.sa_flags = SA_NOCLDSTOP; |
| 4849 | sigaction(SIGCHLD, &act, NULL); |
| 4850 | } |
| 4851 | |
| 4852 | #endif |
| 4853 | |
| 4854 | #ifdef _WIN32 |
| 4855 | /* Look for support files in the same directory as the executable. */ |
| 4856 | static char *find_datadir(const char *argv0) |
| 4857 | { |
| 4858 | char *p; |
| 4859 | char buf[MAX_PATH]; |
| 4860 | DWORD len; |
| 4861 | |
| 4862 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
| 4863 | if (len == 0) { |
| 4864 | return NULL; |
| 4865 | } |
| 4866 | |
| 4867 | buf[len] = 0; |
| 4868 | p = buf + len - 1; |
| 4869 | while (p != buf && *p != '\\') |
| 4870 | p--; |
| 4871 | *p = 0; |
| 4872 | if (access(buf, R_OK) == 0) { |
| 4873 | return qemu_strdup(buf); |
| 4874 | } |
| 4875 | return NULL; |
| 4876 | } |
| 4877 | #else /* !_WIN32 */ |
| 4878 | |
| 4879 | /* Find a likely location for support files using the location of the binary. |
| 4880 | For installed binaries this will be "$bindir/../share/qemu". When |
| 4881 | running from the build tree this will be "$bindir/../pc-bios". */ |
| 4882 | #define SHARE_SUFFIX "/share/qemu" |
| 4883 | #define BUILD_SUFFIX "/pc-bios" |
| 4884 | static char *find_datadir(const char *argv0) |
| 4885 | { |
| 4886 | char *dir; |
| 4887 | char *p = NULL; |
| 4888 | char *res; |
| 4889 | #ifdef PATH_MAX |
| 4890 | char buf[PATH_MAX]; |
| 4891 | #endif |
| 4892 | size_t max_len; |
| 4893 | |
| 4894 | #if defined(__linux__) |
| 4895 | { |
| 4896 | int len; |
| 4897 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); |
| 4898 | if (len > 0) { |
| 4899 | buf[len] = 0; |
| 4900 | p = buf; |
| 4901 | } |
| 4902 | } |
| 4903 | #elif defined(__FreeBSD__) |
| 4904 | { |
| 4905 | int len; |
| 4906 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); |
| 4907 | if (len > 0) { |
| 4908 | buf[len] = 0; |
| 4909 | p = buf; |
| 4910 | } |
| 4911 | } |
| 4912 | #endif |
| 4913 | /* If we don't have any way of figuring out the actual executable |
| 4914 | location then try argv[0]. */ |
| 4915 | if (!p) { |
| 4916 | #ifdef PATH_MAX |
| 4917 | p = buf; |
| 4918 | #endif |
| 4919 | p = realpath(argv0, p); |
| 4920 | if (!p) { |
| 4921 | return NULL; |
| 4922 | } |
| 4923 | } |
| 4924 | dir = dirname(p); |
| 4925 | dir = dirname(dir); |
| 4926 | |
| 4927 | max_len = strlen(dir) + |
| 4928 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; |
| 4929 | res = qemu_mallocz(max_len); |
| 4930 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); |
| 4931 | if (access(res, R_OK)) { |
| 4932 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
| 4933 | if (access(res, R_OK)) { |
| 4934 | qemu_free(res); |
| 4935 | res = NULL; |
| 4936 | } |
| 4937 | } |
| 4938 | #ifndef PATH_MAX |
| 4939 | free(p); |
| 4940 | #endif |
| 4941 | return res; |
| 4942 | } |
| 4943 | #undef SHARE_SUFFIX |
| 4944 | #undef BUILD_SUFFIX |
| 4945 | #endif |
| 4946 | |
| 4947 | char *qemu_find_file(int type, const char *name) |
| 4948 | { |
| 4949 | int len; |
| 4950 | const char *subdir; |
| 4951 | char *buf; |
| 4952 | |
| 4953 | /* If name contains path separators then try it as a straight path. */ |
| 4954 | if ((strchr(name, '/') || strchr(name, '\\')) |
| 4955 | && access(name, R_OK) == 0) { |
| 4956 | return strdup(name); |
| 4957 | } |
| 4958 | switch (type) { |
| 4959 | case QEMU_FILE_TYPE_BIOS: |
| 4960 | subdir = ""; |
| 4961 | break; |
| 4962 | case QEMU_FILE_TYPE_KEYMAP: |
| 4963 | subdir = "keymaps/"; |
| 4964 | break; |
| 4965 | default: |
| 4966 | abort(); |
| 4967 | } |
| 4968 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; |
| 4969 | buf = qemu_mallocz(len); |
| 4970 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
| 4971 | if (access(buf, R_OK)) { |
| 4972 | qemu_free(buf); |
| 4973 | return NULL; |
| 4974 | } |
| 4975 | return buf; |
| 4976 | } |
| 4977 | |
| 4978 | int main(int argc, char **argv, char **envp) |
| 4979 | { |
| 4980 | const char *gdbstub_dev = NULL; |
| 4981 | uint32_t boot_devices_bitmap = 0; |
| 4982 | int i; |
| 4983 | int snapshot, linux_boot, net_boot; |
| 4984 | const char *initrd_filename; |
| 4985 | const char *kernel_filename, *kernel_cmdline; |
| 4986 | const char *boot_devices = ""; |
| 4987 | DisplayState *ds; |
| 4988 | DisplayChangeListener *dcl; |
| 4989 | int cyls, heads, secs, translation; |
| 4990 | const char *net_clients[MAX_NET_CLIENTS]; |
| 4991 | int nb_net_clients; |
| 4992 | const char *bt_opts[MAX_BT_CMDLINE]; |
| 4993 | int nb_bt_opts; |
| 4994 | int hda_index; |
| 4995 | int optind; |
| 4996 | const char *r, *optarg; |
| 4997 | CharDriverState *monitor_hd = NULL; |
| 4998 | const char *monitor_device; |
| 4999 | const char *serial_devices[MAX_SERIAL_PORTS]; |
| 5000 | int serial_device_index; |
| 5001 | const char *parallel_devices[MAX_PARALLEL_PORTS]; |
| 5002 | int parallel_device_index; |
| 5003 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
| 5004 | int virtio_console_index; |
| 5005 | const char *loadvm = NULL; |
| 5006 | QEMUMachine *machine; |
| 5007 | const char *cpu_model; |
| 5008 | const char *usb_devices[MAX_USB_CMDLINE]; |
| 5009 | int usb_devices_index; |
| 5010 | #ifndef _WIN32 |
| 5011 | int fds[2]; |
| 5012 | #endif |
| 5013 | int tb_size; |
| 5014 | const char *pid_file = NULL; |
| 5015 | const char *incoming = NULL; |
| 5016 | #ifndef _WIN32 |
| 5017 | int fd = 0; |
| 5018 | struct passwd *pwd = NULL; |
| 5019 | const char *chroot_dir = NULL; |
| 5020 | const char *run_as = NULL; |
| 5021 | #endif |
| 5022 | CPUState *env; |
| 5023 | int show_vnc_port = 0; |
Vladimir Chtchetkine | 074d1f9 | 2010-08-06 09:29:50 -0700 | [diff] [blame] | 5024 | #ifdef CONFIG_STANDALONE_CORE |
| 5025 | IniFile* hw_ini = NULL; |
| 5026 | #endif // CONFIG_STANDALONE_CORE |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5027 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 5028 | init_clocks(); |
| 5029 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5030 | qemu_cache_utils_init(envp); |
| 5031 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 5032 | QLIST_INIT (&vm_change_state_head); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5033 | #ifndef _WIN32 |
| 5034 | { |
| 5035 | struct sigaction act; |
| 5036 | sigfillset(&act.sa_mask); |
| 5037 | act.sa_flags = 0; |
| 5038 | act.sa_handler = SIG_IGN; |
| 5039 | sigaction(SIGPIPE, &act, NULL); |
| 5040 | } |
| 5041 | #else |
| 5042 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
| 5043 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
| 5044 | QEMU to run on a single CPU */ |
| 5045 | { |
| 5046 | HANDLE h; |
| 5047 | DWORD mask, smask; |
| 5048 | int i; |
| 5049 | h = GetCurrentProcess(); |
| 5050 | if (GetProcessAffinityMask(h, &mask, &smask)) { |
| 5051 | for(i = 0; i < 32; i++) { |
| 5052 | if (mask & (1 << i)) |
| 5053 | break; |
| 5054 | } |
| 5055 | if (i != 32) { |
| 5056 | mask = 1 << i; |
| 5057 | SetProcessAffinityMask(h, mask); |
| 5058 | } |
| 5059 | } |
| 5060 | } |
| 5061 | #endif |
| 5062 | |
| 5063 | module_call_init(MODULE_INIT_MACHINE); |
| 5064 | machine = find_default_machine(); |
| 5065 | cpu_model = NULL; |
| 5066 | initrd_filename = NULL; |
| 5067 | ram_size = 0; |
| 5068 | snapshot = 0; |
| 5069 | kernel_filename = NULL; |
| 5070 | kernel_cmdline = ""; |
| 5071 | cyls = heads = secs = 0; |
| 5072 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5073 | monitor_device = "vc:80Cx24C"; |
| 5074 | |
| 5075 | serial_devices[0] = "vc:80Cx24C"; |
| 5076 | for(i = 1; i < MAX_SERIAL_PORTS; i++) |
| 5077 | serial_devices[i] = NULL; |
| 5078 | serial_device_index = 0; |
| 5079 | |
| 5080 | parallel_devices[0] = "vc:80Cx24C"; |
| 5081 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
| 5082 | parallel_devices[i] = NULL; |
| 5083 | parallel_device_index = 0; |
| 5084 | |
| 5085 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
| 5086 | virtio_consoles[i] = NULL; |
| 5087 | virtio_console_index = 0; |
| 5088 | |
| 5089 | for (i = 0; i < MAX_NODES; i++) { |
| 5090 | node_mem[i] = 0; |
| 5091 | node_cpumask[i] = 0; |
| 5092 | } |
| 5093 | |
| 5094 | usb_devices_index = 0; |
| 5095 | |
| 5096 | nb_net_clients = 0; |
| 5097 | nb_bt_opts = 0; |
| 5098 | nb_drives = 0; |
| 5099 | nb_drives_opt = 0; |
| 5100 | nb_numa_nodes = 0; |
| 5101 | hda_index = -1; |
| 5102 | |
| 5103 | nb_nics = 0; |
| 5104 | |
| 5105 | tb_size = 0; |
| 5106 | autostart= 1; |
| 5107 | |
| 5108 | register_watchdogs(); |
| 5109 | |
| 5110 | optind = 1; |
| 5111 | for(;;) { |
| 5112 | if (optind >= argc) |
| 5113 | break; |
| 5114 | r = argv[optind]; |
| 5115 | if (r[0] != '-') { |
| 5116 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); |
| 5117 | } else { |
| 5118 | const QEMUOption *popt; |
| 5119 | |
| 5120 | optind++; |
| 5121 | /* Treat --foo the same as -foo. */ |
| 5122 | if (r[1] == '-') |
| 5123 | r++; |
| 5124 | popt = qemu_options; |
| 5125 | for(;;) { |
| 5126 | if (!popt->name) { |
| 5127 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
| 5128 | argv[0], r); |
| 5129 | exit(1); |
| 5130 | } |
| 5131 | if (!strcmp(popt->name, r + 1)) |
| 5132 | break; |
| 5133 | popt++; |
| 5134 | } |
| 5135 | if (popt->flags & HAS_ARG) { |
| 5136 | if (optind >= argc) { |
| 5137 | fprintf(stderr, "%s: option '%s' requires an argument\n", |
| 5138 | argv[0], r); |
| 5139 | exit(1); |
| 5140 | } |
| 5141 | optarg = argv[optind++]; |
| 5142 | } else { |
| 5143 | optarg = NULL; |
| 5144 | } |
| 5145 | |
| 5146 | switch(popt->index) { |
| 5147 | case QEMU_OPTION_M: |
| 5148 | machine = find_machine(optarg); |
| 5149 | if (!machine) { |
| 5150 | QEMUMachine *m; |
| 5151 | printf("Supported machines are:\n"); |
| 5152 | for(m = first_machine; m != NULL; m = m->next) { |
| 5153 | printf("%-10s %s%s\n", |
| 5154 | m->name, m->desc, |
| 5155 | m->is_default ? " (default)" : ""); |
| 5156 | } |
| 5157 | exit(*optarg != '?'); |
| 5158 | } |
| 5159 | break; |
| 5160 | case QEMU_OPTION_cpu: |
| 5161 | /* hw initialization will check this */ |
| 5162 | if (*optarg == '?') { |
| 5163 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
| 5164 | #if defined(cpu_list) |
| 5165 | cpu_list(stdout, &fprintf); |
| 5166 | #endif |
| 5167 | exit(0); |
| 5168 | } else { |
| 5169 | cpu_model = optarg; |
| 5170 | } |
| 5171 | break; |
| 5172 | case QEMU_OPTION_initrd: |
| 5173 | initrd_filename = optarg; |
| 5174 | break; |
| 5175 | case QEMU_OPTION_hda: |
| 5176 | if (cyls == 0) |
| 5177 | hda_index = drive_add(optarg, HD_ALIAS, 0); |
| 5178 | else |
| 5179 | hda_index = drive_add(optarg, HD_ALIAS |
| 5180 | ",cyls=%d,heads=%d,secs=%d%s", |
| 5181 | 0, cyls, heads, secs, |
| 5182 | translation == BIOS_ATA_TRANSLATION_LBA ? |
| 5183 | ",trans=lba" : |
| 5184 | translation == BIOS_ATA_TRANSLATION_NONE ? |
| 5185 | ",trans=none" : ""); |
| 5186 | break; |
| 5187 | case QEMU_OPTION_hdb: |
| 5188 | case QEMU_OPTION_hdc: |
| 5189 | case QEMU_OPTION_hdd: |
| 5190 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
| 5191 | break; |
| 5192 | case QEMU_OPTION_drive: |
| 5193 | drive_add(NULL, "%s", optarg); |
| 5194 | break; |
| 5195 | case QEMU_OPTION_mtdblock: |
| 5196 | drive_add(optarg, MTD_ALIAS); |
| 5197 | break; |
| 5198 | case QEMU_OPTION_sd: |
| 5199 | drive_add(optarg, SD_ALIAS); |
| 5200 | break; |
| 5201 | case QEMU_OPTION_pflash: |
| 5202 | drive_add(optarg, PFLASH_ALIAS); |
| 5203 | break; |
| 5204 | case QEMU_OPTION_snapshot: |
| 5205 | snapshot = 1; |
| 5206 | break; |
| 5207 | case QEMU_OPTION_hdachs: |
| 5208 | { |
| 5209 | const char *p; |
| 5210 | p = optarg; |
| 5211 | cyls = strtol(p, (char **)&p, 0); |
| 5212 | if (cyls < 1 || cyls > 16383) |
| 5213 | goto chs_fail; |
| 5214 | if (*p != ',') |
| 5215 | goto chs_fail; |
| 5216 | p++; |
| 5217 | heads = strtol(p, (char **)&p, 0); |
| 5218 | if (heads < 1 || heads > 16) |
| 5219 | goto chs_fail; |
| 5220 | if (*p != ',') |
| 5221 | goto chs_fail; |
| 5222 | p++; |
| 5223 | secs = strtol(p, (char **)&p, 0); |
| 5224 | if (secs < 1 || secs > 63) |
| 5225 | goto chs_fail; |
| 5226 | if (*p == ',') { |
| 5227 | p++; |
| 5228 | if (!strcmp(p, "none")) |
| 5229 | translation = BIOS_ATA_TRANSLATION_NONE; |
| 5230 | else if (!strcmp(p, "lba")) |
| 5231 | translation = BIOS_ATA_TRANSLATION_LBA; |
| 5232 | else if (!strcmp(p, "auto")) |
| 5233 | translation = BIOS_ATA_TRANSLATION_AUTO; |
| 5234 | else |
| 5235 | goto chs_fail; |
| 5236 | } else if (*p != '\0') { |
| 5237 | chs_fail: |
| 5238 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
| 5239 | exit(1); |
| 5240 | } |
| 5241 | if (hda_index != -1) |
| 5242 | snprintf(drives_opt[hda_index].opt, |
| 5243 | sizeof(drives_opt[hda_index].opt), |
| 5244 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", |
| 5245 | 0, cyls, heads, secs, |
| 5246 | translation == BIOS_ATA_TRANSLATION_LBA ? |
| 5247 | ",trans=lba" : |
| 5248 | translation == BIOS_ATA_TRANSLATION_NONE ? |
| 5249 | ",trans=none" : ""); |
| 5250 | } |
| 5251 | break; |
| 5252 | case QEMU_OPTION_numa: |
| 5253 | if (nb_numa_nodes >= MAX_NODES) { |
| 5254 | fprintf(stderr, "qemu: too many NUMA nodes\n"); |
| 5255 | exit(1); |
| 5256 | } |
| 5257 | numa_add(optarg); |
| 5258 | break; |
| 5259 | case QEMU_OPTION_nographic: |
| 5260 | display_type = DT_NOGRAPHIC; |
| 5261 | break; |
| 5262 | #ifdef CONFIG_CURSES |
| 5263 | case QEMU_OPTION_curses: |
| 5264 | display_type = DT_CURSES; |
| 5265 | break; |
| 5266 | #endif |
| 5267 | case QEMU_OPTION_portrait: |
| 5268 | graphic_rotate = 1; |
| 5269 | break; |
| 5270 | case QEMU_OPTION_kernel: |
| 5271 | kernel_filename = optarg; |
| 5272 | break; |
| 5273 | case QEMU_OPTION_append: |
| 5274 | kernel_cmdline = optarg; |
| 5275 | break; |
| 5276 | case QEMU_OPTION_cdrom: |
| 5277 | drive_add(optarg, CDROM_ALIAS); |
| 5278 | break; |
| 5279 | case QEMU_OPTION_boot: |
| 5280 | boot_devices = optarg; |
| 5281 | /* We just do some generic consistency checks */ |
| 5282 | { |
| 5283 | /* Could easily be extended to 64 devices if needed */ |
| 5284 | const char *p; |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 5285 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5286 | boot_devices_bitmap = 0; |
| 5287 | for (p = boot_devices; *p != '\0'; p++) { |
| 5288 | /* Allowed boot devices are: |
| 5289 | * a b : floppy disk drives |
| 5290 | * c ... f : IDE disk drives |
| 5291 | * g ... m : machine implementation dependant drives |
| 5292 | * n ... p : network devices |
| 5293 | * It's up to each machine implementation to check |
| 5294 | * if the given boot devices match the actual hardware |
| 5295 | * implementation and firmware features. |
| 5296 | */ |
| 5297 | if (*p < 'a' || *p > 'q') { |
| 5298 | fprintf(stderr, "Invalid boot device '%c'\n", *p); |
| 5299 | exit(1); |
| 5300 | } |
| 5301 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { |
| 5302 | fprintf(stderr, |
| 5303 | "Boot device '%c' was given twice\n",*p); |
| 5304 | exit(1); |
| 5305 | } |
| 5306 | boot_devices_bitmap |= 1 << (*p - 'a'); |
| 5307 | } |
| 5308 | } |
| 5309 | break; |
| 5310 | case QEMU_OPTION_fda: |
| 5311 | case QEMU_OPTION_fdb: |
| 5312 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
| 5313 | break; |
| 5314 | #ifdef TARGET_I386 |
| 5315 | case QEMU_OPTION_no_fd_bootchk: |
| 5316 | fd_bootchk = 0; |
| 5317 | break; |
| 5318 | #endif |
| 5319 | case QEMU_OPTION_net: |
| 5320 | if (nb_net_clients >= MAX_NET_CLIENTS) { |
| 5321 | fprintf(stderr, "qemu: too many network clients\n"); |
| 5322 | exit(1); |
| 5323 | } |
| 5324 | net_clients[nb_net_clients] = optarg; |
| 5325 | nb_net_clients++; |
| 5326 | break; |
| 5327 | #ifdef CONFIG_SLIRP |
| 5328 | case QEMU_OPTION_tftp: |
| 5329 | tftp_prefix = optarg; |
| 5330 | break; |
| 5331 | case QEMU_OPTION_bootp: |
| 5332 | bootp_filename = optarg; |
| 5333 | break; |
| 5334 | #if 0 /* ANDROID disabled */ |
| 5335 | #ifndef _WIN32 |
| 5336 | case QEMU_OPTION_smb: |
| 5337 | net_slirp_smb(optarg); |
| 5338 | break; |
| 5339 | #endif |
| 5340 | #endif /* ANDROID */ |
| 5341 | case QEMU_OPTION_redir: |
| 5342 | net_slirp_redir(NULL, optarg, NULL); |
| 5343 | break; |
| 5344 | #endif |
| 5345 | case QEMU_OPTION_bt: |
| 5346 | if (nb_bt_opts >= MAX_BT_CMDLINE) { |
| 5347 | fprintf(stderr, "qemu: too many bluetooth options\n"); |
| 5348 | exit(1); |
| 5349 | } |
| 5350 | bt_opts[nb_bt_opts++] = optarg; |
| 5351 | break; |
| 5352 | #ifdef HAS_AUDIO |
| 5353 | case QEMU_OPTION_audio_help: |
| 5354 | AUD_help (); |
| 5355 | exit (0); |
| 5356 | break; |
| 5357 | case QEMU_OPTION_soundhw: |
| 5358 | select_soundhw (optarg); |
| 5359 | break; |
| 5360 | #endif |
| 5361 | case QEMU_OPTION_h: |
| 5362 | qemu_help(0); |
| 5363 | break; |
| 5364 | case QEMU_OPTION_version: |
| 5365 | version(); |
| 5366 | exit(0); |
| 5367 | break; |
| 5368 | case QEMU_OPTION_m: { |
| 5369 | uint64_t value; |
| 5370 | char *ptr; |
| 5371 | |
| 5372 | value = strtoul(optarg, &ptr, 10); |
| 5373 | switch (*ptr) { |
| 5374 | case 0: case 'M': case 'm': |
| 5375 | value <<= 20; |
| 5376 | break; |
| 5377 | case 'G': case 'g': |
| 5378 | value <<= 30; |
| 5379 | break; |
| 5380 | default: |
| 5381 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); |
| 5382 | exit(1); |
| 5383 | } |
| 5384 | |
| 5385 | /* On 32-bit hosts, QEMU is limited by virtual address space */ |
| 5386 | if (value > (2047 << 20) |
| 5387 | #ifndef CONFIG_KQEMU |
| 5388 | && HOST_LONG_BITS == 32 |
| 5389 | #endif |
| 5390 | ) { |
| 5391 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
| 5392 | exit(1); |
| 5393 | } |
| 5394 | if (value != (uint64_t)(ram_addr_t)value) { |
| 5395 | fprintf(stderr, "qemu: ram size too large\n"); |
| 5396 | exit(1); |
| 5397 | } |
| 5398 | ram_size = value; |
| 5399 | break; |
| 5400 | } |
| 5401 | case QEMU_OPTION_d: |
| 5402 | { |
| 5403 | int mask; |
| 5404 | const CPULogItem *item; |
| 5405 | |
| 5406 | mask = cpu_str_to_log_mask(optarg); |
| 5407 | if (!mask) { |
| 5408 | printf("Log items (comma separated):\n"); |
| 5409 | for(item = cpu_log_items; item->mask != 0; item++) { |
| 5410 | printf("%-10s %s\n", item->name, item->help); |
| 5411 | } |
| 5412 | exit(1); |
| 5413 | } |
| 5414 | cpu_set_log(mask); |
| 5415 | } |
| 5416 | break; |
| 5417 | case QEMU_OPTION_s: |
| 5418 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
| 5419 | break; |
| 5420 | case QEMU_OPTION_gdb: |
| 5421 | gdbstub_dev = optarg; |
| 5422 | break; |
| 5423 | case QEMU_OPTION_L: |
| 5424 | data_dir = optarg; |
| 5425 | break; |
| 5426 | case QEMU_OPTION_bios: |
| 5427 | bios_name = optarg; |
| 5428 | break; |
| 5429 | case QEMU_OPTION_singlestep: |
| 5430 | singlestep = 1; |
| 5431 | break; |
| 5432 | case QEMU_OPTION_S: |
| 5433 | #if 0 /* ANDROID */ |
| 5434 | fprintf(stderr, "Sorry, stopped launch is not supported in the Android emulator\n" ); |
| 5435 | exit(1); |
| 5436 | #endif |
| 5437 | autostart = 0; |
| 5438 | break; |
| 5439 | #ifndef _WIN32 |
| 5440 | case QEMU_OPTION_k: |
| 5441 | keyboard_layout = optarg; |
| 5442 | break; |
| 5443 | #endif |
| 5444 | case QEMU_OPTION_localtime: |
| 5445 | rtc_utc = 0; |
| 5446 | break; |
| 5447 | case QEMU_OPTION_vga: |
| 5448 | select_vgahw (optarg); |
| 5449 | break; |
| 5450 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
| 5451 | case QEMU_OPTION_g: |
| 5452 | { |
| 5453 | const char *p; |
| 5454 | int w, h, depth; |
| 5455 | p = optarg; |
| 5456 | w = strtol(p, (char **)&p, 10); |
| 5457 | if (w <= 0) { |
| 5458 | graphic_error: |
| 5459 | fprintf(stderr, "qemu: invalid resolution or depth\n"); |
| 5460 | exit(1); |
| 5461 | } |
| 5462 | if (*p != 'x') |
| 5463 | goto graphic_error; |
| 5464 | p++; |
| 5465 | h = strtol(p, (char **)&p, 10); |
| 5466 | if (h <= 0) |
| 5467 | goto graphic_error; |
| 5468 | if (*p == 'x') { |
| 5469 | p++; |
| 5470 | depth = strtol(p, (char **)&p, 10); |
| 5471 | if (depth != 8 && depth != 15 && depth != 16 && |
| 5472 | depth != 24 && depth != 32) |
| 5473 | goto graphic_error; |
| 5474 | } else if (*p == '\0') { |
| 5475 | depth = graphic_depth; |
| 5476 | } else { |
| 5477 | goto graphic_error; |
| 5478 | } |
| 5479 | |
| 5480 | graphic_width = w; |
| 5481 | graphic_height = h; |
| 5482 | graphic_depth = depth; |
| 5483 | } |
| 5484 | break; |
| 5485 | #endif |
| 5486 | case QEMU_OPTION_echr: |
| 5487 | { |
| 5488 | char *r; |
| 5489 | term_escape_char = strtol(optarg, &r, 0); |
| 5490 | if (r == optarg) |
| 5491 | printf("Bad argument to echr\n"); |
| 5492 | break; |
| 5493 | } |
| 5494 | case QEMU_OPTION_monitor: |
| 5495 | monitor_device = optarg; |
| 5496 | break; |
| 5497 | case QEMU_OPTION_serial: |
| 5498 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
| 5499 | fprintf(stderr, "qemu: too many serial ports\n"); |
| 5500 | exit(1); |
| 5501 | } |
| 5502 | serial_devices[serial_device_index] = optarg; |
| 5503 | serial_device_index++; |
| 5504 | break; |
| 5505 | case QEMU_OPTION_watchdog: |
| 5506 | i = select_watchdog(optarg); |
| 5507 | if (i > 0) |
| 5508 | exit (i == 1 ? 1 : 0); |
| 5509 | break; |
| 5510 | case QEMU_OPTION_watchdog_action: |
| 5511 | if (select_watchdog_action(optarg) == -1) { |
| 5512 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); |
| 5513 | exit(1); |
| 5514 | } |
| 5515 | break; |
| 5516 | case QEMU_OPTION_virtiocon: |
| 5517 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { |
| 5518 | fprintf(stderr, "qemu: too many virtio consoles\n"); |
| 5519 | exit(1); |
| 5520 | } |
| 5521 | virtio_consoles[virtio_console_index] = optarg; |
| 5522 | virtio_console_index++; |
| 5523 | break; |
| 5524 | case QEMU_OPTION_parallel: |
| 5525 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { |
| 5526 | fprintf(stderr, "qemu: too many parallel ports\n"); |
| 5527 | exit(1); |
| 5528 | } |
| 5529 | parallel_devices[parallel_device_index] = optarg; |
| 5530 | parallel_device_index++; |
| 5531 | break; |
| 5532 | case QEMU_OPTION_loadvm: |
| 5533 | loadvm = optarg; |
| 5534 | break; |
| 5535 | case QEMU_OPTION_full_screen: |
| 5536 | full_screen = 1; |
| 5537 | break; |
| 5538 | #ifdef CONFIG_SDL |
| 5539 | case QEMU_OPTION_no_frame: |
| 5540 | no_frame = 1; |
| 5541 | break; |
| 5542 | case QEMU_OPTION_alt_grab: |
| 5543 | alt_grab = 1; |
| 5544 | break; |
| 5545 | case QEMU_OPTION_no_quit: |
| 5546 | no_quit = 1; |
| 5547 | break; |
| 5548 | case QEMU_OPTION_sdl: |
| 5549 | display_type = DT_SDL; |
| 5550 | break; |
| 5551 | #endif |
| 5552 | case QEMU_OPTION_pidfile: |
| 5553 | pid_file = optarg; |
| 5554 | break; |
| 5555 | #ifdef TARGET_I386 |
| 5556 | case QEMU_OPTION_win2k_hack: |
| 5557 | win2k_install_hack = 1; |
| 5558 | break; |
| 5559 | case QEMU_OPTION_rtc_td_hack: |
| 5560 | rtc_td_hack = 1; |
| 5561 | break; |
| 5562 | case QEMU_OPTION_acpitable: |
| 5563 | if(acpi_table_add(optarg) < 0) { |
| 5564 | fprintf(stderr, "Wrong acpi table provided\n"); |
| 5565 | exit(1); |
| 5566 | } |
| 5567 | break; |
| 5568 | case QEMU_OPTION_smbios: |
| 5569 | if(smbios_entry_add(optarg) < 0) { |
| 5570 | fprintf(stderr, "Wrong smbios provided\n"); |
| 5571 | exit(1); |
| 5572 | } |
| 5573 | break; |
| 5574 | #endif |
| 5575 | #ifdef CONFIG_KQEMU |
| 5576 | case QEMU_OPTION_no_kqemu: |
| 5577 | kqemu_allowed = 0; |
| 5578 | break; |
| 5579 | case QEMU_OPTION_kernel_kqemu: |
| 5580 | kqemu_allowed = 2; |
| 5581 | break; |
| 5582 | #endif |
| 5583 | #ifdef CONFIG_KVM |
| 5584 | case QEMU_OPTION_enable_kvm: |
| 5585 | kvm_allowed = 1; |
| 5586 | #ifdef CONFIG_KQEMU |
| 5587 | kqemu_allowed = 0; |
| 5588 | #endif |
| 5589 | break; |
| 5590 | #endif |
| 5591 | case QEMU_OPTION_usb: |
| 5592 | usb_enabled = 1; |
| 5593 | break; |
| 5594 | case QEMU_OPTION_usbdevice: |
| 5595 | usb_enabled = 1; |
| 5596 | if (usb_devices_index >= MAX_USB_CMDLINE) { |
| 5597 | fprintf(stderr, "Too many USB devices\n"); |
| 5598 | exit(1); |
| 5599 | } |
| 5600 | usb_devices[usb_devices_index] = optarg; |
| 5601 | usb_devices_index++; |
| 5602 | break; |
| 5603 | case QEMU_OPTION_smp: |
| 5604 | smp_cpus = atoi(optarg); |
| 5605 | if (smp_cpus < 1) { |
| 5606 | fprintf(stderr, "Invalid number of CPUs\n"); |
| 5607 | exit(1); |
| 5608 | } |
| 5609 | break; |
| 5610 | case QEMU_OPTION_vnc: |
| 5611 | display_type = DT_VNC; |
| 5612 | vnc_display = optarg; |
| 5613 | break; |
| 5614 | #ifdef TARGET_I386 |
| 5615 | case QEMU_OPTION_no_acpi: |
| 5616 | acpi_enabled = 0; |
| 5617 | break; |
| 5618 | case QEMU_OPTION_no_hpet: |
| 5619 | no_hpet = 1; |
| 5620 | break; |
| 5621 | case QEMU_OPTION_no_virtio_balloon: |
| 5622 | no_virtio_balloon = 1; |
| 5623 | break; |
| 5624 | #endif |
| 5625 | case QEMU_OPTION_no_reboot: |
| 5626 | no_reboot = 1; |
| 5627 | break; |
| 5628 | case QEMU_OPTION_no_shutdown: |
| 5629 | no_shutdown = 1; |
| 5630 | break; |
| 5631 | case QEMU_OPTION_show_cursor: |
| 5632 | cursor_hide = 0; |
| 5633 | break; |
| 5634 | case QEMU_OPTION_uuid: |
| 5635 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { |
| 5636 | fprintf(stderr, "Fail to parse UUID string." |
| 5637 | " Wrong format.\n"); |
| 5638 | exit(1); |
| 5639 | } |
| 5640 | break; |
| 5641 | #ifndef _WIN32 |
| 5642 | case QEMU_OPTION_daemonize: |
| 5643 | daemonize = 1; |
| 5644 | break; |
| 5645 | #endif |
| 5646 | case QEMU_OPTION_option_rom: |
| 5647 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 5648 | fprintf(stderr, "Too many option ROMs\n"); |
| 5649 | exit(1); |
| 5650 | } |
| 5651 | option_rom[nb_option_roms] = optarg; |
| 5652 | nb_option_roms++; |
| 5653 | break; |
| 5654 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
| 5655 | case QEMU_OPTION_semihosting: |
| 5656 | semihosting_enabled = 1; |
| 5657 | break; |
| 5658 | #endif |
| 5659 | case QEMU_OPTION_name: |
| 5660 | qemu_name = optarg; |
| 5661 | break; |
| 5662 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
| 5663 | case QEMU_OPTION_prom_env: |
| 5664 | if (nb_prom_envs >= MAX_PROM_ENVS) { |
| 5665 | fprintf(stderr, "Too many prom variables\n"); |
| 5666 | exit(1); |
| 5667 | } |
| 5668 | prom_envs[nb_prom_envs] = optarg; |
| 5669 | nb_prom_envs++; |
| 5670 | break; |
| 5671 | #endif |
| 5672 | #ifdef TARGET_ARM |
| 5673 | case QEMU_OPTION_old_param: |
| 5674 | old_param = 1; |
| 5675 | break; |
| 5676 | #endif |
| 5677 | case QEMU_OPTION_clock: |
| 5678 | configure_alarms(optarg); |
| 5679 | break; |
| 5680 | case QEMU_OPTION_startdate: |
| 5681 | { |
| 5682 | struct tm tm; |
| 5683 | time_t rtc_start_date; |
| 5684 | if (!strcmp(optarg, "now")) { |
| 5685 | rtc_date_offset = -1; |
| 5686 | } else { |
| 5687 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", |
| 5688 | &tm.tm_year, |
| 5689 | &tm.tm_mon, |
| 5690 | &tm.tm_mday, |
| 5691 | &tm.tm_hour, |
| 5692 | &tm.tm_min, |
| 5693 | &tm.tm_sec) == 6) { |
| 5694 | /* OK */ |
| 5695 | } else if (sscanf(optarg, "%d-%d-%d", |
| 5696 | &tm.tm_year, |
| 5697 | &tm.tm_mon, |
| 5698 | &tm.tm_mday) == 3) { |
| 5699 | tm.tm_hour = 0; |
| 5700 | tm.tm_min = 0; |
| 5701 | tm.tm_sec = 0; |
| 5702 | } else { |
| 5703 | goto date_fail; |
| 5704 | } |
| 5705 | tm.tm_year -= 1900; |
| 5706 | tm.tm_mon--; |
| 5707 | rtc_start_date = mktimegm(&tm); |
| 5708 | if (rtc_start_date == -1) { |
| 5709 | date_fail: |
| 5710 | fprintf(stderr, "Invalid date format. Valid format are:\n" |
| 5711 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); |
| 5712 | exit(1); |
| 5713 | } |
| 5714 | rtc_date_offset = time(NULL) - rtc_start_date; |
| 5715 | } |
| 5716 | } |
| 5717 | break; |
| 5718 | case QEMU_OPTION_tb_size: |
| 5719 | tb_size = strtol(optarg, NULL, 0); |
| 5720 | if (tb_size < 0) |
| 5721 | tb_size = 0; |
| 5722 | break; |
| 5723 | case QEMU_OPTION_icount: |
| 5724 | use_icount = 1; |
| 5725 | if (strcmp(optarg, "auto") == 0) { |
| 5726 | icount_time_shift = -1; |
| 5727 | } else { |
| 5728 | icount_time_shift = strtol(optarg, NULL, 0); |
| 5729 | } |
| 5730 | break; |
| 5731 | case QEMU_OPTION_incoming: |
| 5732 | incoming = optarg; |
| 5733 | break; |
| 5734 | #ifndef _WIN32 |
| 5735 | case QEMU_OPTION_chroot: |
| 5736 | chroot_dir = optarg; |
| 5737 | break; |
| 5738 | case QEMU_OPTION_runas: |
| 5739 | run_as = optarg; |
| 5740 | break; |
| 5741 | #endif |
| 5742 | #ifdef CONFIG_XEN |
| 5743 | case QEMU_OPTION_xen_domid: |
| 5744 | xen_domid = atoi(optarg); |
| 5745 | break; |
| 5746 | case QEMU_OPTION_xen_create: |
| 5747 | xen_mode = XEN_CREATE; |
| 5748 | break; |
| 5749 | case QEMU_OPTION_xen_attach: |
| 5750 | xen_mode = XEN_ATTACH; |
| 5751 | break; |
| 5752 | #endif |
| 5753 | |
| 5754 | |
| 5755 | case QEMU_OPTION_mic: |
| 5756 | audio_input_source = (char*)optarg; |
| 5757 | break; |
| 5758 | #ifdef CONFIG_TRACE |
David 'Digit' Turner | a577fca | 2009-10-15 18:18:09 -0700 | [diff] [blame] | 5759 | case QEMU_OPTION_trace: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5760 | trace_filename = optarg; |
| 5761 | tracing = 1; |
| 5762 | break; |
| 5763 | #if 0 |
| 5764 | case QEMU_OPTION_trace_miss: |
| 5765 | trace_cache_miss = 1; |
| 5766 | break; |
| 5767 | case QEMU_OPTION_trace_addr: |
| 5768 | trace_all_addr = 1; |
| 5769 | break; |
| 5770 | #endif |
| 5771 | case QEMU_OPTION_tracing: |
| 5772 | if (strcmp(optarg, "off") == 0) |
| 5773 | tracing = 0; |
| 5774 | else if (strcmp(optarg, "on") == 0 && trace_filename) |
| 5775 | tracing = 1; |
| 5776 | else { |
| 5777 | fprintf(stderr, "Unexpected option to -tracing ('%s')\n", |
| 5778 | optarg); |
| 5779 | exit(1); |
| 5780 | } |
| 5781 | break; |
| 5782 | #if 0 |
| 5783 | case QEMU_OPTION_dcache_load_miss: |
| 5784 | dcache_load_miss_penalty = atoi(optarg); |
| 5785 | break; |
| 5786 | case QEMU_OPTION_dcache_store_miss: |
| 5787 | dcache_store_miss_penalty = atoi(optarg); |
| 5788 | break; |
| 5789 | #endif |
| 5790 | #endif |
| 5791 | #ifdef CONFIG_NAND |
| 5792 | case QEMU_OPTION_nand: |
| 5793 | nand_add_dev(optarg); |
| 5794 | break; |
| 5795 | #endif |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 5796 | case QEMU_OPTION_android_ports: |
| 5797 | android_op_ports = (char*)optarg; |
| 5798 | break; |
| 5799 | |
| 5800 | case QEMU_OPTION_android_port: |
| 5801 | android_op_port = (char*)optarg; |
| 5802 | break; |
| 5803 | |
| 5804 | case QEMU_OPTION_android_report_console: |
| 5805 | android_op_report_console = (char*)optarg; |
| 5806 | break; |
| 5807 | |
| 5808 | case QEMU_OPTION_http_proxy: |
| 5809 | op_http_proxy = (char*)optarg; |
| 5810 | break; |
Vladimir Chtchetkine | 43552dc | 2010-07-22 11:23:19 -0700 | [diff] [blame] | 5811 | |
| 5812 | case QEMU_OPTION_charmap: |
| 5813 | op_charmap_file = (char*)optarg; |
| 5814 | break; |
Vladimir Chtchetkine | dd50f7d | 2010-07-30 09:16:41 -0700 | [diff] [blame] | 5815 | |
| 5816 | case QEMU_OPTION_android_gui: |
| 5817 | android_op_gui = (char*)optarg; |
| 5818 | break; |
Vladimir Chtchetkine | 074d1f9 | 2010-08-06 09:29:50 -0700 | [diff] [blame] | 5819 | |
| 5820 | case QEMU_OPTION_android_hw: |
| 5821 | android_op_hwini = (char*)optarg; |
| 5822 | break; |
Vladimir Chtchetkine | b5365f3 | 2010-08-09 13:33:57 -0700 | [diff] [blame^] | 5823 | #ifdef CONFIG_MEMCHECK |
| 5824 | case QEMU_OPTION_android_memcheck: |
| 5825 | android_op_memcheck = (char*)optarg; |
| 5826 | break; |
| 5827 | #endif // CONFIG_MEMCHECK |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5828 | } |
| 5829 | } |
| 5830 | } |
| 5831 | |
Vladimir Chtchetkine | 43552dc | 2010-07-22 11:23:19 -0700 | [diff] [blame] | 5832 | /* Initialize character map. */ |
| 5833 | if (android_charmap_setup(op_charmap_file)) { |
| 5834 | if (op_charmap_file) { |
| 5835 | fprintf(stderr, |
| 5836 | "Unable to initialize character map from file %s.\n", |
| 5837 | op_charmap_file); |
| 5838 | } else { |
| 5839 | fprintf(stderr, |
| 5840 | "Unable to initialize default character map.\n"); |
| 5841 | } |
| 5842 | exit(1); |
| 5843 | } |
| 5844 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5845 | /* If no data_dir is specified then try to find it relative to the |
| 5846 | executable path. */ |
| 5847 | if (!data_dir) { |
| 5848 | data_dir = find_datadir(argv[0]); |
| 5849 | } |
| 5850 | /* If all else fails use the install patch specified when building. */ |
| 5851 | if (!data_dir) { |
| 5852 | data_dir = CONFIG_QEMU_SHAREDIR; |
| 5853 | } |
| 5854 | |
Vladimir Chtchetkine | 074d1f9 | 2010-08-06 09:29:50 -0700 | [diff] [blame] | 5855 | #ifdef CONFIG_STANDALONE_CORE |
| 5856 | /* Initialize hardware configuration. */ |
| 5857 | if (android_op_hwini) { |
| 5858 | hw_ini = iniFile_newFromFile(android_op_hwini); |
| 5859 | if (hw_ini == NULL) { |
| 5860 | fprintf(stderr, "Could not find %s file.\n", android_op_hwini); |
| 5861 | exit(1); |
| 5862 | } |
| 5863 | } else { |
| 5864 | hw_ini = iniFile_newFromMemory("", 0); |
| 5865 | } |
| 5866 | |
| 5867 | androidHwConfig_read(android_hw, hw_ini); |
| 5868 | iniFile_free(hw_ini); |
| 5869 | #endif // CONFIG_STANDALONE_CORE |
| 5870 | |
Vladimir Chtchetkine | b5365f3 | 2010-08-09 13:33:57 -0700 | [diff] [blame^] | 5871 | #ifdef CONFIG_MEMCHECK |
| 5872 | if (android_op_memcheck) { |
| 5873 | memcheck_init(android_op_memcheck); |
| 5874 | } |
| 5875 | #endif // CONFIG_MEMCHECK |
| 5876 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5877 | #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU) |
| 5878 | if (kvm_allowed && kqemu_allowed) { |
| 5879 | fprintf(stderr, |
| 5880 | "You can not enable both KVM and kqemu at the same time\n"); |
| 5881 | exit(1); |
| 5882 | } |
| 5883 | #endif |
| 5884 | |
| 5885 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
| 5886 | if (smp_cpus > machine->max_cpus) { |
| 5887 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " |
| 5888 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, |
| 5889 | machine->max_cpus); |
| 5890 | exit(1); |
| 5891 | } |
| 5892 | |
| 5893 | if (display_type == DT_NOGRAPHIC) { |
| 5894 | if (serial_device_index == 0) |
| 5895 | serial_devices[0] = "stdio"; |
| 5896 | if (parallel_device_index == 0) |
| 5897 | parallel_devices[0] = "null"; |
| 5898 | if (strncmp(monitor_device, "vc", 2) == 0) |
| 5899 | monitor_device = "stdio"; |
| 5900 | } |
| 5901 | |
| 5902 | #ifndef _WIN32 |
| 5903 | if (daemonize) { |
| 5904 | pid_t pid; |
| 5905 | |
| 5906 | if (pipe(fds) == -1) |
| 5907 | exit(1); |
| 5908 | |
| 5909 | pid = fork(); |
| 5910 | if (pid > 0) { |
| 5911 | uint8_t status; |
| 5912 | ssize_t len; |
| 5913 | |
| 5914 | close(fds[1]); |
| 5915 | |
| 5916 | again: |
| 5917 | len = read(fds[0], &status, 1); |
| 5918 | if (len == -1 && (errno == EINTR)) |
| 5919 | goto again; |
| 5920 | |
| 5921 | if (len != 1) |
| 5922 | exit(1); |
| 5923 | else if (status == 1) { |
| 5924 | fprintf(stderr, "Could not acquire pidfile\n"); |
| 5925 | exit(1); |
| 5926 | } else |
| 5927 | exit(0); |
| 5928 | } else if (pid < 0) |
| 5929 | exit(1); |
| 5930 | |
| 5931 | setsid(); |
| 5932 | |
| 5933 | pid = fork(); |
| 5934 | if (pid > 0) |
| 5935 | exit(0); |
| 5936 | else if (pid < 0) |
| 5937 | exit(1); |
| 5938 | |
| 5939 | umask(027); |
| 5940 | |
| 5941 | signal(SIGTSTP, SIG_IGN); |
| 5942 | signal(SIGTTOU, SIG_IGN); |
| 5943 | signal(SIGTTIN, SIG_IGN); |
| 5944 | } |
| 5945 | |
| 5946 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
| 5947 | if (daemonize) { |
| 5948 | uint8_t status = 1; |
| 5949 | write(fds[1], &status, 1); |
| 5950 | } else |
| 5951 | fprintf(stderr, "Could not acquire pid file\n"); |
| 5952 | exit(1); |
| 5953 | } |
| 5954 | #endif |
| 5955 | |
| 5956 | #ifdef CONFIG_KQEMU |
| 5957 | if (smp_cpus > 1) |
| 5958 | kqemu_allowed = 0; |
| 5959 | #endif |
| 5960 | if (qemu_init_main_loop()) { |
| 5961 | fprintf(stderr, "qemu_init_main_loop failed\n"); |
| 5962 | exit(1); |
| 5963 | } |
| 5964 | linux_boot = (kernel_filename != NULL); |
| 5965 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
| 5966 | |
| 5967 | if (!linux_boot && *kernel_cmdline != '\0') { |
| 5968 | fprintf(stderr, "-append only allowed with -kernel option\n"); |
| 5969 | exit(1); |
| 5970 | } |
| 5971 | |
| 5972 | if (!linux_boot && initrd_filename != NULL) { |
| 5973 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); |
| 5974 | exit(1); |
| 5975 | } |
| 5976 | |
| 5977 | /* boot to floppy or the default cd if no hard disk defined yet */ |
| 5978 | if (!boot_devices[0]) { |
| 5979 | boot_devices = "cad"; |
| 5980 | } |
| 5981 | setvbuf(stdout, NULL, _IOLBF, 0); |
| 5982 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 5983 | if (init_timer_alarm() < 0) { |
| 5984 | fprintf(stderr, "could not initialize alarm timer\n"); |
| 5985 | exit(1); |
| 5986 | } |
| 5987 | if (use_icount && icount_time_shift < 0) { |
| 5988 | use_icount = 2; |
| 5989 | /* 125MIPS seems a reasonable initial guess at the guest speed. |
| 5990 | It will be corrected fairly quickly anyway. */ |
| 5991 | icount_time_shift = 3; |
| 5992 | init_icount_adjust(); |
| 5993 | } |
| 5994 | |
| 5995 | #ifdef _WIN32 |
| 5996 | socket_init(); |
| 5997 | #endif |
| 5998 | |
| 5999 | /* init network clients */ |
| 6000 | if (nb_net_clients == 0) { |
| 6001 | /* if no clients, we use a default config */ |
| 6002 | net_clients[nb_net_clients++] = "nic"; |
| 6003 | #ifdef CONFIG_SLIRP |
| 6004 | net_clients[nb_net_clients++] = "user"; |
| 6005 | #endif |
| 6006 | } |
| 6007 | |
| 6008 | for(i = 0;i < nb_net_clients; i++) { |
| 6009 | if (net_client_parse(net_clients[i]) < 0) |
| 6010 | exit(1); |
| 6011 | } |
| 6012 | net_client_check(); |
| 6013 | |
| 6014 | #ifdef TARGET_I386 |
| 6015 | /* XXX: this should be moved in the PC machine instantiation code */ |
| 6016 | if (net_boot != 0) { |
| 6017 | int netroms = 0; |
| 6018 | for (i = 0; i < nb_nics && i < 4; i++) { |
| 6019 | const char *model = nd_table[i].model; |
| 6020 | char buf[1024]; |
| 6021 | char *filename; |
| 6022 | if (net_boot & (1 << i)) { |
| 6023 | if (model == NULL) |
| 6024 | model = "ne2k_pci"; |
| 6025 | snprintf(buf, sizeof(buf), "pxe-%s.bin", model); |
| 6026 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf); |
| 6027 | if (filename && get_image_size(filename) > 0) { |
| 6028 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 6029 | fprintf(stderr, "Too many option ROMs\n"); |
| 6030 | exit(1); |
| 6031 | } |
| 6032 | option_rom[nb_option_roms] = qemu_strdup(buf); |
| 6033 | nb_option_roms++; |
| 6034 | netroms++; |
| 6035 | } |
| 6036 | if (filename) { |
| 6037 | qemu_free(filename); |
| 6038 | } |
| 6039 | } |
| 6040 | } |
| 6041 | if (netroms == 0) { |
| 6042 | fprintf(stderr, "No valid PXE rom found for network device\n"); |
| 6043 | exit(1); |
| 6044 | } |
| 6045 | } |
| 6046 | #endif |
| 6047 | |
| 6048 | /* init the bluetooth world */ |
| 6049 | for (i = 0; i < nb_bt_opts; i++) |
| 6050 | if (bt_parse(bt_opts[i])) |
| 6051 | exit(1); |
| 6052 | |
| 6053 | /* init the memory */ |
| 6054 | if (ram_size == 0) |
| 6055 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
| 6056 | |
| 6057 | #ifdef CONFIG_KQEMU |
| 6058 | /* FIXME: This is a nasty hack because kqemu can't cope with dynamic |
| 6059 | guest ram allocation. It needs to go away. */ |
| 6060 | if (kqemu_allowed) { |
| 6061 | kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024; |
| 6062 | kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size); |
| 6063 | if (!kqemu_phys_ram_base) { |
| 6064 | fprintf(stderr, "Could not allocate physical memory\n"); |
| 6065 | exit(1); |
| 6066 | } |
| 6067 | } |
| 6068 | #endif |
| 6069 | |
| 6070 | /* init the dynamic translator */ |
| 6071 | cpu_exec_init_all(tb_size * 1024 * 1024); |
| 6072 | |
| 6073 | bdrv_init(); |
| 6074 | |
| 6075 | /* we always create the cdrom drive, even if no disk is there */ |
| 6076 | |
| 6077 | if (nb_drives_opt < MAX_DRIVES) |
| 6078 | drive_add(NULL, CDROM_ALIAS); |
| 6079 | |
| 6080 | /* we always create at least one floppy */ |
| 6081 | |
| 6082 | if (nb_drives_opt < MAX_DRIVES) |
| 6083 | drive_add(NULL, FD_ALIAS, 0); |
| 6084 | |
| 6085 | /* we always create one sd slot, even if no card is in it */ |
| 6086 | |
| 6087 | if (nb_drives_opt < MAX_DRIVES) |
| 6088 | drive_add(NULL, SD_ALIAS); |
| 6089 | |
| 6090 | /* open the virtual block devices */ |
| 6091 | |
| 6092 | for(i = 0; i < nb_drives_opt; i++) |
| 6093 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
| 6094 | exit(1); |
| 6095 | |
| 6096 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
| 6097 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); |
| 6098 | |
| 6099 | #ifndef _WIN32 |
| 6100 | /* must be after terminal init, SDL library changes signal handlers */ |
| 6101 | sighandler_setup(); |
| 6102 | #endif |
| 6103 | |
| 6104 | /* Maintain compatibility with multiple stdio monitors */ |
| 6105 | if (!strcmp(monitor_device,"stdio")) { |
| 6106 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 6107 | const char *devname = serial_devices[i]; |
| 6108 | if (devname && !strcmp(devname,"mon:stdio")) { |
| 6109 | monitor_device = NULL; |
| 6110 | break; |
| 6111 | } else if (devname && !strcmp(devname,"stdio")) { |
| 6112 | monitor_device = NULL; |
| 6113 | serial_devices[i] = "mon:stdio"; |
| 6114 | break; |
| 6115 | } |
| 6116 | } |
| 6117 | } |
| 6118 | |
| 6119 | if (nb_numa_nodes > 0) { |
| 6120 | int i; |
| 6121 | |
| 6122 | if (nb_numa_nodes > smp_cpus) { |
| 6123 | nb_numa_nodes = smp_cpus; |
| 6124 | } |
| 6125 | |
| 6126 | /* If no memory size if given for any node, assume the default case |
| 6127 | * and distribute the available memory equally across all nodes |
| 6128 | */ |
| 6129 | for (i = 0; i < nb_numa_nodes; i++) { |
| 6130 | if (node_mem[i] != 0) |
| 6131 | break; |
| 6132 | } |
| 6133 | if (i == nb_numa_nodes) { |
| 6134 | uint64_t usedmem = 0; |
| 6135 | |
| 6136 | /* On Linux, the each node's border has to be 8MB aligned, |
| 6137 | * the final node gets the rest. |
| 6138 | */ |
| 6139 | for (i = 0; i < nb_numa_nodes - 1; i++) { |
| 6140 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); |
| 6141 | usedmem += node_mem[i]; |
| 6142 | } |
| 6143 | node_mem[i] = ram_size - usedmem; |
| 6144 | } |
| 6145 | |
| 6146 | for (i = 0; i < nb_numa_nodes; i++) { |
| 6147 | if (node_cpumask[i] != 0) |
| 6148 | break; |
| 6149 | } |
| 6150 | /* assigning the VCPUs round-robin is easier to implement, guest OSes |
| 6151 | * must cope with this anyway, because there are BIOSes out there in |
| 6152 | * real machines which also use this scheme. |
| 6153 | */ |
| 6154 | if (i == nb_numa_nodes) { |
| 6155 | for (i = 0; i < smp_cpus; i++) { |
| 6156 | node_cpumask[i % nb_numa_nodes] |= 1 << i; |
| 6157 | } |
| 6158 | } |
| 6159 | } |
| 6160 | |
| 6161 | if (kvm_enabled()) { |
| 6162 | int ret; |
| 6163 | |
| 6164 | ret = kvm_init(smp_cpus); |
| 6165 | if (ret < 0) { |
| 6166 | fprintf(stderr, "failed to initialize KVM\n"); |
| 6167 | exit(1); |
| 6168 | } |
| 6169 | } |
| 6170 | |
| 6171 | if (monitor_device) { |
| 6172 | monitor_hd = qemu_chr_open("monitor", monitor_device, NULL); |
| 6173 | if (!monitor_hd) { |
| 6174 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); |
| 6175 | exit(1); |
| 6176 | } |
| 6177 | } |
| 6178 | |
| 6179 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 6180 | const char *devname = serial_devices[i]; |
| 6181 | if (devname && strcmp(devname, "none")) { |
| 6182 | char label[32]; |
| 6183 | snprintf(label, sizeof(label), "serial%d", i); |
| 6184 | serial_hds[i] = qemu_chr_open(label, devname, NULL); |
| 6185 | if (!serial_hds[i]) { |
| 6186 | fprintf(stderr, "qemu: could not open serial device '%s'\n", |
| 6187 | devname); |
| 6188 | exit(1); |
| 6189 | } |
| 6190 | } |
| 6191 | } |
| 6192 | |
| 6193 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 6194 | const char *devname = parallel_devices[i]; |
| 6195 | if (devname && strcmp(devname, "none")) { |
| 6196 | char label[32]; |
| 6197 | snprintf(label, sizeof(label), "parallel%d", i); |
| 6198 | parallel_hds[i] = qemu_chr_open(label, devname, NULL); |
| 6199 | if (!parallel_hds[i]) { |
| 6200 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", |
| 6201 | devname); |
| 6202 | exit(1); |
| 6203 | } |
| 6204 | } |
| 6205 | } |
| 6206 | |
| 6207 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
| 6208 | const char *devname = virtio_consoles[i]; |
| 6209 | if (devname && strcmp(devname, "none")) { |
| 6210 | char label[32]; |
| 6211 | snprintf(label, sizeof(label), "virtcon%d", i); |
| 6212 | virtcon_hds[i] = qemu_chr_open(label, devname, NULL); |
| 6213 | if (!virtcon_hds[i]) { |
| 6214 | fprintf(stderr, "qemu: could not open virtio console '%s'\n", |
| 6215 | devname); |
| 6216 | exit(1); |
| 6217 | } |
| 6218 | } |
| 6219 | } |
| 6220 | |
| 6221 | module_call_init(MODULE_INIT_DEVICE); |
| 6222 | |
| 6223 | |
| 6224 | #ifdef CONFIG_TRACE |
| 6225 | if (trace_filename) { |
| 6226 | trace_init(trace_filename); |
| 6227 | #if 0 |
| 6228 | // We don't need the dcache code until we can get load and store tracing |
| 6229 | // working again. |
| 6230 | dcache_init(dcache_size, dcache_ways, dcache_line_size, |
| 6231 | dcache_replace_policy, dcache_load_miss_penalty, |
| 6232 | dcache_store_miss_penalty); |
| 6233 | #endif |
| 6234 | fprintf(stderr, "-- When done tracing, exit the emulator. --\n"); |
| 6235 | } |
| 6236 | #endif |
| 6237 | |
| 6238 | machine->init(ram_size, boot_devices, |
| 6239 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
| 6240 | |
| 6241 | |
| 6242 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
| 6243 | for (i = 0; i < nb_numa_nodes; i++) { |
| 6244 | if (node_cpumask[i] & (1 << env->cpu_index)) { |
| 6245 | env->numa_node = i; |
| 6246 | } |
| 6247 | } |
| 6248 | } |
| 6249 | |
| 6250 | current_machine = machine; |
| 6251 | |
| 6252 | /* Set KVM's vcpu state to qemu's initial CPUState. */ |
| 6253 | if (kvm_enabled()) { |
| 6254 | int ret; |
| 6255 | |
| 6256 | ret = kvm_sync_vcpus(); |
| 6257 | if (ret < 0) { |
| 6258 | fprintf(stderr, "failed to initialize vcpus\n"); |
| 6259 | exit(1); |
| 6260 | } |
| 6261 | } |
| 6262 | |
| 6263 | /* init USB devices */ |
| 6264 | if (usb_enabled) { |
| 6265 | for(i = 0; i < usb_devices_index; i++) { |
| 6266 | if (usb_device_add(usb_devices[i], 0) < 0) { |
| 6267 | fprintf(stderr, "Warning: could not add USB device %s\n", |
| 6268 | usb_devices[i]); |
| 6269 | } |
| 6270 | } |
| 6271 | } |
| 6272 | |
Vladimir Chtchetkine | dd50f7d | 2010-07-30 09:16:41 -0700 | [diff] [blame] | 6273 | if (!display_state) { |
| 6274 | if (android_op_gui) { |
| 6275 | /* Initialize display from the command line parameters. */ |
| 6276 | if (parse_androig_gui_option(android_op_gui, |
| 6277 | &android_display_width, |
| 6278 | &android_display_height, |
| 6279 | &android_display_bpp)) { |
| 6280 | exit(1); |
| 6281 | } |
| 6282 | android_display_init_from(android_display_width, |
| 6283 | android_display_height, 0, |
| 6284 | android_display_bpp); |
| 6285 | } else { |
| 6286 | dumb_display_init(); |
| 6287 | } |
| 6288 | } else if (android_op_gui) { |
| 6289 | /* Resize display from the command line parameters. */ |
| 6290 | if (parse_androig_gui_option(android_op_gui, |
| 6291 | &android_display_width, |
| 6292 | &android_display_height, |
| 6293 | &android_display_bpp)) { |
| 6294 | exit(1); |
| 6295 | } |
| 6296 | display_state->surface = qemu_resize_displaysurface(display_state, |
| 6297 | android_display_width, |
| 6298 | android_display_height); |
| 6299 | } |
| 6300 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6301 | /* just use the first displaystate for the moment */ |
| 6302 | ds = display_state; |
| 6303 | |
| 6304 | if (display_type == DT_DEFAULT) { |
| 6305 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) |
| 6306 | display_type = DT_SDL; |
| 6307 | #else |
| 6308 | display_type = DT_VNC; |
| 6309 | vnc_display = "localhost:0,to=99"; |
| 6310 | show_vnc_port = 1; |
| 6311 | #endif |
| 6312 | } |
Vladimir Chtchetkine | d81e6d1 | 2010-06-15 16:46:32 -0700 | [diff] [blame] | 6313 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6314 | |
| 6315 | switch (display_type) { |
| 6316 | case DT_NOGRAPHIC: |
| 6317 | break; |
| 6318 | #if defined(CONFIG_CURSES) |
| 6319 | case DT_CURSES: |
| 6320 | curses_display_init(ds, full_screen); |
| 6321 | break; |
| 6322 | #endif |
Vladimir Chtchetkine | eb83825 | 2010-07-15 12:27:56 -0700 | [diff] [blame] | 6323 | #if defined(CONFIG_SDL) && !defined(CONFIG_STANDALONE_CORE) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6324 | case DT_SDL: |
| 6325 | sdl_display_init(ds, full_screen, no_frame); |
| 6326 | break; |
| 6327 | #elif defined(CONFIG_COCOA) |
| 6328 | case DT_SDL: |
| 6329 | cocoa_display_init(ds, full_screen); |
| 6330 | break; |
| 6331 | #endif |
| 6332 | case DT_VNC: |
| 6333 | vnc_display_init(ds); |
| 6334 | if (vnc_display_open(ds, vnc_display) < 0) |
| 6335 | exit(1); |
| 6336 | |
| 6337 | if (show_vnc_port) { |
| 6338 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); |
| 6339 | } |
| 6340 | break; |
| 6341 | default: |
| 6342 | break; |
| 6343 | } |
| 6344 | dpy_resize(ds); |
| 6345 | |
| 6346 | dcl = ds->listeners; |
| 6347 | while (dcl != NULL) { |
| 6348 | if (dcl->dpy_refresh != NULL) { |
| 6349 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); |
| 6350 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); |
| 6351 | } |
| 6352 | dcl = dcl->next; |
| 6353 | } |
| 6354 | |
| 6355 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
| 6356 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
| 6357 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); |
| 6358 | } |
| 6359 | |
| 6360 | text_consoles_set_display(display_state); |
| 6361 | qemu_chr_initial_reset(); |
| 6362 | |
| 6363 | if (monitor_device && monitor_hd) |
| 6364 | monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT); |
| 6365 | |
| 6366 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 6367 | const char *devname = serial_devices[i]; |
| 6368 | if (devname && strcmp(devname, "none")) { |
| 6369 | if (strstart(devname, "vc", 0)) |
| 6370 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); |
| 6371 | } |
| 6372 | } |
| 6373 | |
| 6374 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 6375 | const char *devname = parallel_devices[i]; |
| 6376 | if (devname && strcmp(devname, "none")) { |
| 6377 | if (strstart(devname, "vc", 0)) |
| 6378 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); |
| 6379 | } |
| 6380 | } |
| 6381 | |
| 6382 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
| 6383 | const char *devname = virtio_consoles[i]; |
| 6384 | if (virtcon_hds[i] && devname) { |
| 6385 | if (strstart(devname, "vc", 0)) |
| 6386 | qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i); |
| 6387 | } |
| 6388 | } |
| 6389 | |
| 6390 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
| 6391 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", |
| 6392 | gdbstub_dev); |
| 6393 | exit(1); |
| 6394 | } |
| 6395 | |
| 6396 | if (loadvm) |
| 6397 | do_loadvm(cur_mon, loadvm); |
| 6398 | |
| 6399 | /* call android-specific setup function */ |
| 6400 | android_emulation_setup(); |
| 6401 | |
| 6402 | if (incoming) { |
| 6403 | autostart = 0; /* fixme how to deal with -daemonize */ |
| 6404 | qemu_start_incoming_migration(incoming); |
| 6405 | } |
| 6406 | |
| 6407 | if (autostart) |
| 6408 | vm_start(); |
| 6409 | |
| 6410 | #ifndef _WIN32 |
| 6411 | if (daemonize) { |
| 6412 | uint8_t status = 0; |
| 6413 | ssize_t len; |
| 6414 | |
| 6415 | again1: |
| 6416 | len = write(fds[1], &status, 1); |
| 6417 | if (len == -1 && (errno == EINTR)) |
| 6418 | goto again1; |
| 6419 | |
| 6420 | if (len != 1) |
| 6421 | exit(1); |
| 6422 | |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 6423 | if (chdir("/")) { |
| 6424 | perror("not able to chdir to /"); |
| 6425 | exit(1); |
| 6426 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6427 | TFR(fd = open("/dev/null", O_RDWR)); |
| 6428 | if (fd == -1) |
| 6429 | exit(1); |
| 6430 | } |
| 6431 | |
| 6432 | if (run_as) { |
| 6433 | pwd = getpwnam(run_as); |
| 6434 | if (!pwd) { |
| 6435 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); |
| 6436 | exit(1); |
| 6437 | } |
| 6438 | } |
| 6439 | |
| 6440 | if (chroot_dir) { |
| 6441 | if (chroot(chroot_dir) < 0) { |
| 6442 | fprintf(stderr, "chroot failed\n"); |
| 6443 | exit(1); |
| 6444 | } |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 6445 | if (chdir("/")) { |
| 6446 | perror("not able to chdir to /"); |
| 6447 | exit(1); |
| 6448 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 6449 | } |
| 6450 | |
| 6451 | if (run_as) { |
| 6452 | if (setgid(pwd->pw_gid) < 0) { |
| 6453 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); |
| 6454 | exit(1); |
| 6455 | } |
| 6456 | if (setuid(pwd->pw_uid) < 0) { |
| 6457 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); |
| 6458 | exit(1); |
| 6459 | } |
| 6460 | if (setuid(0) != -1) { |
| 6461 | fprintf(stderr, "Dropping privileges failed\n"); |
| 6462 | exit(1); |
| 6463 | } |
| 6464 | } |
| 6465 | |
| 6466 | if (daemonize) { |
| 6467 | dup2(fd, 0); |
| 6468 | dup2(fd, 1); |
| 6469 | dup2(fd, 2); |
| 6470 | |
| 6471 | close(fd); |
| 6472 | } |
| 6473 | #endif |
| 6474 | |
| 6475 | main_loop(); |
| 6476 | quit_timers(); |
| 6477 | net_cleanup(); |
| 6478 | android_emulation_teardown(); |
| 6479 | return 0; |
| 6480 | } |
Vladimir Chtchetkine | eb83825 | 2010-07-15 12:27:56 -0700 | [diff] [blame] | 6481 | |
| 6482 | void |
| 6483 | android_emulation_teardown(void) |
| 6484 | { |
| 6485 | android_charmap_done(); |
| 6486 | } |