vl.c

   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 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31
  32 /* Needed early for CONFIG_BSD etc. */
  33 #include "config-host.h"
  34
  35 #ifndef _WIN32
  36 #include <libgen.h>
  37 #include <sys/times.h>
  38 #include <sys/wait.h>
  39 #include <termios.h>
  40 #include <sys/mman.h>
  41 #include <sys/ioctl.h>
  42 #include <sys/resource.h>
  43 #include <sys/socket.h>
  44 #include <netinet/in.h>
  45 #include <net/if.h>
  46 #include <arpa/inet.h>
  47 #include <dirent.h>
  48 #include <netdb.h>
  49 #include <sys/select.h>
  50
  51 #ifdef CONFIG_BSD
  52 #include <sys/stat.h>
  53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  54 #include <libutil.h>
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <pty.h>
  62 #include <malloc.h>
  63
  64 #include <linux/ppdev.h>
  65 #include <linux/parport.h>
  66 #endif
  67 #ifdef __sun__
  68 #include <sys/stat.h>
  69 #include <sys/ethernet.h>
  70 #include <sys/sockio.h>
  71 #include <netinet/arp.h>
  72 #include <netinet/in_systm.h>
  73 #include <netinet/ip.h>
  74 #include <netinet/ip_icmp.h> // must come after ip.h
  75 #include <netinet/udp.h>
  76 #include <netinet/tcp.h>
  77 #include <net/if.h>
  78 #include <syslog.h>
  79 #include <stropts.h>
  80 #endif
  81 #endif
  82 #endif
  83
  84 #if defined(__OpenBSD__)
  85 #include <util.h>
  86 #endif
  87
  88 #if defined(CONFIG_VDE)
  89 #include <libvdeplug.h>
  90 #endif
  91
  92 #ifdef _WIN32
  93 #include <windows.h>
  94 #endif
  95
  96 #ifdef CONFIG_SDL
  97 #if defined(__APPLE__) || defined(main)
  98 #include <SDL.h>
  99 int qemu_main(int argc, char **argv, char **envp);
 100 int main(int argc, char **argv)
 101 {
 102     return qemu_main(argc, argv, NULL);
 103 }
 104 #undef main
 105 #define main qemu_main
 106 #endif
 107 #endif /* CONFIG_SDL */
 108
 109 #ifdef CONFIG_COCOA
 110 #undef main
 111 #define main qemu_main
 112 #endif /* CONFIG_COCOA */
 113
 114 #include <glib.h>
 115
 116 #include "hw/hw.h"
 117 #include "hw/boards.h"
 118 #include "hw/usb.h"
 119 #include "hw/pcmcia.h"
 120 #include "hw/pc.h"
 121 #include "hw/isa.h"
 122 #include "hw/baum.h"
 123 #include "hw/bt.h"
 124 #include "hw/watchdog.h"
 125 #include "hw/smbios.h"
 126 #include "hw/xen.h"
 127 #include "hw/qdev.h"
 128 #include "hw/loader.h"
 129 #include "bt-host.h"
 130 #include "net.h"
 131 #include "net/slirp.h"
 132 #include "monitor.h"
 133 #include "console.h"
 134 #include "sysemu.h"
 135 #include "gdbstub.h"
 136 #include "qemu-timer.h"
 137 #include "qemu-char.h"
 138 #include "cache-utils.h"
 139 #include "block.h"
 140 #include "blockdev.h"
 141 #include "block-migration.h"
 142 #include "dma.h"
 143 #include "audio/audio.h"
 144 #include "migration.h"
 145 #include "kvm.h"
 146 #include "qjson.h"
 147 #include "qemu-option.h"
 148 #include "qemu-config.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155
 156 #include "disas.h"
 157
 158 #include "qemu_socket.h"
 159
 160 #include "slirp/libslirp.h"
 161
 162 #include "trace.h"
 163 #include "trace/control.h"
 164 #include "qemu-queue.h"
 165 #include "cpus.h"
 166 #include "arch_init.h"
 167
 168 #include "ui/qemu-spice.h"
 169
 170 //#define DEBUG_NET
 171 //#define DEBUG_SLIRP
 172
 173 #define DEFAULT_RAM_SIZE 128
 174
 175 #define MAX_VIRTIO_CONSOLES 1
 176
 177 static const char *data_dir;
 178 const char *bios_name = NULL;
 179 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 180 DisplayType display_type = DT_DEFAULT;
 181 int display_remote = 0;
 182 const char* keyboard_layout = NULL;
 183 ram_addr_t ram_size;
 184 const char *mem_path = NULL;
 185 #ifdef MAP_POPULATE
 186 int mem_prealloc = 0; /* force preallocation of physical target memory */
 187 #endif
 188 int nb_nics;
 189 NICInfo nd_table[MAX_NICS];
 190 int autostart;
 191 static int rtc_utc = 1;
 192 static int rtc_date_offset = -1; /* -1 means no change */
 193 QEMUClock *rtc_clock;
 194 int vga_interface_type = VGA_NONE;
 195 static int full_screen = 0;
 196 #ifdef CONFIG_SDL
 197 static int no_frame = 0;
 198 #endif
 199 int no_quit = 0;
 200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 203 int win2k_install_hack = 0;
 204 int usb_enabled = 0;
 205 int singlestep = 0;
 206 int smp_cpus = 1;
 207 int max_cpus = 0;
 208 int smp_cores = 1;
 209 int smp_threads = 1;
 210 #ifdef CONFIG_VNC
 211 const char *vnc_display;
 212 #endif
 213 int acpi_enabled = 1;
 214 int no_hpet = 0;
 215 int fd_bootchk = 1;
 216 int no_reboot = 0;
 217 int no_shutdown = 0;
 218 int cursor_hide = 1;
 219 int graphic_rotate = 0;
 220 const char *watchdog;
 221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 222 int nb_option_roms;
 223 int semihosting_enabled = 0;
 224 int old_param = 0;
 225 const char *qemu_name;
 226 int alt_grab = 0;
 227 int ctrl_grab = 0;
 228 unsigned int nb_prom_envs = 0;
 229 const char *prom_envs[MAX_PROM_ENVS];
 230 int boot_menu;
 231 uint8_t *boot_splash_filedata;
 232 int boot_splash_filedata_size;
 233 uint8_t qemu_extra_params_fw[2];
 234
 235 typedef struct FWBootEntry FWBootEntry;
 236
 237 struct FWBootEntry {
 238     QTAILQ_ENTRY(FWBootEntry) link;
 239     int32_t bootindex;
 240     DeviceState *dev;
 241     char *suffix;
 242 };
 243
 244 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 245
 246 int nb_numa_nodes;
 247 uint64_t node_mem[MAX_NODES];
 248 uint64_t node_cpumask[MAX_NODES];
 249
 250 uint8_t qemu_uuid[16];
 251
 252 static QEMUBootSetHandler *boot_set_handler;
 253 static void *boot_set_opaque;
 254
 255 static NotifierList exit_notifiers =
 256     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 257
 258 static NotifierList machine_init_done_notifiers =
 259     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 260
 261 static int tcg_allowed = 1;
 262 int kvm_allowed = 0;
 263 int xen_allowed = 0;
 264 uint32_t xen_domid;
 265 enum xen_mode xen_mode = XEN_EMULATE;
 266 static int tcg_tb_size;
 267
 268 static int default_serial = 1;
 269 static int default_parallel = 1;
 270 static int default_virtcon = 1;
 271 static int default_monitor = 1;
 272 static int default_floppy = 1;
 273 static int default_cdrom = 1;
 274 static int default_sdcard = 1;
 275
 276 static struct {
 277     const char *driver;
 278     int *flag;
 279 } default_list[] = {
 280     { .driver = "isa-serial",           .flag = &default_serial    },
 281     { .driver = "isa-parallel",         .flag = &default_parallel  },
 282     { .driver = "isa-fdc",              .flag = &default_floppy    },
 283     { .driver = "ide-cd",               .flag = &default_cdrom     },
 284     { .driver = "ide-hd",               .flag = &default_cdrom     },
 285     { .driver = "ide-drive",            .flag = &default_cdrom     },
 286     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 287     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 288     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 289     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 290 };
 291
 292 static void res_free(void)
 293 {
 294     if (boot_splash_filedata != NULL) {
 295         g_free(boot_splash_filedata);
 296         boot_splash_filedata = NULL;
 297     }
 298 }
 299
 300 static int default_driver_check(QemuOpts *opts, void *opaque)
 301 {
 302     const char *driver = qemu_opt_get(opts, "driver");
 303     int i;
 304
 305     if (!driver)
 306         return 0;
 307     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 308         if (strcmp(default_list[i].driver, driver) != 0)
 309             continue;
 310         *(default_list[i].flag) = 0;
 311     }
 312     return 0;
 313 }
 314
 315 /***********************************************************/
 316 /* QEMU state */
 317
 318 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 319
 320 typedef struct {
 321     RunState from;
 322     RunState to;
 323 } RunStateTransition;
 324
 325 static const RunStateTransition runstate_transitions_def[] = {
 326     /*     from      ->     to      */
 327     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 328
 329     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 330     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 331
 332     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 333     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 334
 335     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 336     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 337
 338     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 339     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 340
 341     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 342     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 343
 344     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 345     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 346     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 347
 348     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 349     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 350
 351     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 352
 353     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 354     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 355     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 356     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 357     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 358     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 359     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 360     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 361     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 362
 363     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 364
 365     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 366     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 367
 368     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 369     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 370
 371     { RUN_STATE_MAX, RUN_STATE_MAX },
 372 };
 373
 374 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 375
 376 bool runstate_check(RunState state)
 377 {
 378     return current_run_state == state;
 379 }
 380
 381 void runstate_init(void)
 382 {
 383     const RunStateTransition *p;
 384
 385     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 386
 387     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 388         runstate_valid_transitions[p->from][p->to] = true;
 389     }
 390 }
 391
 392 /* This function will abort() on invalid state transitions */
 393 void runstate_set(RunState new_state)
 394 {
 395     assert(new_state < RUN_STATE_MAX);
 396
 397     if (!runstate_valid_transitions[current_run_state][new_state]) {
 398         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 399                 RunState_lookup[current_run_state],
 400                 RunState_lookup[new_state]);
 401         abort();
 402     }
 403
 404     current_run_state = new_state;
 405 }
 406
 407 int runstate_is_running(void)
 408 {
 409     return runstate_check(RUN_STATE_RUNNING);
 410 }
 411
 412 StatusInfo *qmp_query_status(Error **errp)
 413 {
 414     StatusInfo *info = g_malloc0(sizeof(*info));
 415
 416     info->running = runstate_is_running();
 417     info->singlestep = singlestep;
 418     info->status = current_run_state;
 419
 420     return info;
 421 }
 422
 423 /***********************************************************/
 424 /* real time host monotonic timer */
 425
 426 /***********************************************************/
 427 /* host time/date access */
 428 void qemu_get_timedate(struct tm *tm, int offset)
 429 {
 430     time_t ti;
 431     struct tm *ret;
 432
 433     time(&ti);
 434     ti += offset;
 435     if (rtc_date_offset == -1) {
 436         if (rtc_utc)
 437             ret = gmtime(&ti);
 438         else
 439             ret = localtime(&ti);
 440     } else {
 441         ti -= rtc_date_offset;
 442         ret = gmtime(&ti);
 443     }
 444
 445     memcpy(tm, ret, sizeof(struct tm));
 446 }
 447
 448 int qemu_timedate_diff(struct tm *tm)
 449 {
 450     time_t seconds;
 451
 452     if (rtc_date_offset == -1)
 453         if (rtc_utc)
 454             seconds = mktimegm(tm);
 455         else {
 456             struct tm tmp = *tm;
 457             tmp.tm_isdst = -1; /* use timezone to figure it out */
 458             seconds = mktime(&tmp);
 459         }
 460     else
 461         seconds = mktimegm(tm) + rtc_date_offset;
 462
 463     return seconds - time(NULL);
 464 }
 465
 466 void rtc_change_mon_event(struct tm *tm)
 467 {
 468     QObject *data;
 469
 470     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 471     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 472     qobject_decref(data);
 473 }
 474
 475 static void configure_rtc_date_offset(const char *startdate, int legacy)
 476 {
 477     time_t rtc_start_date;
 478     struct tm tm;
 479
 480     if (!strcmp(startdate, "now") && legacy) {
 481         rtc_date_offset = -1;
 482     } else {
 483         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 484                    &tm.tm_year,
 485                    &tm.tm_mon,
 486                    &tm.tm_mday,
 487                    &tm.tm_hour,
 488                    &tm.tm_min,
 489                    &tm.tm_sec) == 6) {
 490             /* OK */
 491         } else if (sscanf(startdate, "%d-%d-%d",
 492                           &tm.tm_year,
 493                           &tm.tm_mon,
 494                           &tm.tm_mday) == 3) {
 495             tm.tm_hour = 0;
 496             tm.tm_min = 0;
 497             tm.tm_sec = 0;
 498         } else {
 499             goto date_fail;
 500         }
 501         tm.tm_year -= 1900;
 502         tm.tm_mon--;
 503         rtc_start_date = mktimegm(&tm);
 504         if (rtc_start_date == -1) {
 505         date_fail:
 506             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 507                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 508             exit(1);
 509         }
 510         rtc_date_offset = time(NULL) - rtc_start_date;
 511     }
 512 }
 513
 514 static void configure_rtc(QemuOpts *opts)
 515 {
 516     const char *value;
 517
 518     value = qemu_opt_get(opts, "base");
 519     if (value) {
 520         if (!strcmp(value, "utc")) {
 521             rtc_utc = 1;
 522         } else if (!strcmp(value, "localtime")) {
 523             rtc_utc = 0;
 524         } else {
 525             configure_rtc_date_offset(value, 0);
 526         }
 527     }
 528     value = qemu_opt_get(opts, "clock");
 529     if (value) {
 530         if (!strcmp(value, "host")) {
 531             rtc_clock = host_clock;
 532         } else if (!strcmp(value, "vm")) {
 533             rtc_clock = vm_clock;
 534         } else {
 535             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 536             exit(1);
 537         }
 538     }
 539     value = qemu_opt_get(opts, "driftfix");
 540     if (value) {
 541         if (!strcmp(value, "slew")) {
 542             static GlobalProperty slew_lost_ticks[] = {
 543                 {
 544                     .driver   = "mc146818rtc",
 545                     .property = "lost_tick_policy",
 546                     .value    = "slew",
 547                 },
 548                 { /* end of list */ }
 549             };
 550
 551             qdev_prop_register_global_list(slew_lost_ticks);
 552         } else if (!strcmp(value, "none")) {
 553             /* discard is default */
 554         } else {
 555             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 556             exit(1);
 557         }
 558     }
 559 }
 560
 561 /***********************************************************/
 562 /* Bluetooth support */
 563 static int nb_hcis;
 564 static int cur_hci;
 565 static struct HCIInfo *hci_table[MAX_NICS];
 566
 567 static struct bt_vlan_s {
 568     struct bt_scatternet_s net;
 569     int id;
 570     struct bt_vlan_s *next;
 571 } *first_bt_vlan;
 572
 573 /* find or alloc a new bluetooth "VLAN" */
 574 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 575 {
 576     struct bt_vlan_s **pvlan, *vlan;
 577     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 578         if (vlan->id == id)
 579             return &vlan->net;
 580     }
 581     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 582     vlan->id = id;
 583     pvlan = &first_bt_vlan;
 584     while (*pvlan != NULL)
 585         pvlan = &(*pvlan)->next;
 586     *pvlan = vlan;
 587     return &vlan->net;
 588 }
 589
 590 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 591 {
 592 }
 593
 594 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 595 {
 596     return -ENOTSUP;
 597 }
 598
 599 static struct HCIInfo null_hci = {
 600     .cmd_send = null_hci_send,
 601     .sco_send = null_hci_send,
 602     .acl_send = null_hci_send,
 603     .bdaddr_set = null_hci_addr_set,
 604 };
 605
 606 struct HCIInfo *qemu_next_hci(void)
 607 {
 608     if (cur_hci == nb_hcis)
 609         return &null_hci;
 610
 611     return hci_table[cur_hci++];
 612 }
 613
 614 static struct HCIInfo *hci_init(const char *str)
 615 {
 616     char *endp;
 617     struct bt_scatternet_s *vlan = 0;
 618
 619     if (!strcmp(str, "null"))
 620         /* null */
 621         return &null_hci;
 622     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 623         /* host[:hciN] */
 624         return bt_host_hci(str[4] ? str + 5 : "hci0");
 625     else if (!strncmp(str, "hci", 3)) {
 626         /* hci[,vlan=n] */
 627         if (str[3]) {
 628             if (!strncmp(str + 3, ",vlan=", 6)) {
 629                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 630                 if (*endp)
 631                     vlan = 0;
 632             }
 633         } else
 634             vlan = qemu_find_bt_vlan(0);
 635         if (vlan)
 636            return bt_new_hci(vlan);
 637     }
 638
 639     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 640
 641     return 0;
 642 }
 643
 644 static int bt_hci_parse(const char *str)
 645 {
 646     struct HCIInfo *hci;
 647     bdaddr_t bdaddr;
 648
 649     if (nb_hcis >= MAX_NICS) {
 650         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 651         return -1;
 652     }
 653
 654     hci = hci_init(str);
 655     if (!hci)
 656         return -1;
 657
 658     bdaddr.b[0] = 0x52;
 659     bdaddr.b[1] = 0x54;
 660     bdaddr.b[2] = 0x00;
 661     bdaddr.b[3] = 0x12;
 662     bdaddr.b[4] = 0x34;
 663     bdaddr.b[5] = 0x56 + nb_hcis;
 664     hci->bdaddr_set(hci, bdaddr.b);
 665
 666     hci_table[nb_hcis++] = hci;
 667
 668     return 0;
 669 }
 670
 671 static void bt_vhci_add(int vlan_id)
 672 {
 673     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 674
 675     if (!vlan->slave)
 676         fprintf(stderr, "qemu: warning: adding a VHCI to "
 677                         "an empty scatternet %i\n", vlan_id);
 678
 679     bt_vhci_init(bt_new_hci(vlan));
 680 }
 681
 682 static struct bt_device_s *bt_device_add(const char *opt)
 683 {
 684     struct bt_scatternet_s *vlan;
 685     int vlan_id = 0;
 686     char *endp = strstr(opt, ",vlan=");
 687     int len = (endp ? endp - opt : strlen(opt)) + 1;
 688     char devname[10];
 689
 690     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 691
 692     if (endp) {
 693         vlan_id = strtol(endp + 6, &endp, 0);
 694         if (*endp) {
 695             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 696             return 0;
 697         }
 698     }
 699
 700     vlan = qemu_find_bt_vlan(vlan_id);
 701
 702     if (!vlan->slave)
 703         fprintf(stderr, "qemu: warning: adding a slave device to "
 704                         "an empty scatternet %i\n", vlan_id);
 705
 706     if (!strcmp(devname, "keyboard"))
 707         return bt_keyboard_init(vlan);
 708
 709     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 710     return 0;
 711 }
 712
 713 static int bt_parse(const char *opt)
 714 {
 715     const char *endp, *p;
 716     int vlan;
 717
 718     if (strstart(opt, "hci", &endp)) {
 719         if (!*endp || *endp == ',') {
 720             if (*endp)
 721                 if (!strstart(endp, ",vlan=", 0))
 722                     opt = endp + 1;
 723
 724             return bt_hci_parse(opt);
 725        }
 726     } else if (strstart(opt, "vhci", &endp)) {
 727         if (!*endp || *endp == ',') {
 728             if (*endp) {
 729                 if (strstart(endp, ",vlan=", &p)) {
 730                     vlan = strtol(p, (char **) &endp, 0);
 731                     if (*endp) {
 732                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 733                         return 1;
 734                     }
 735                 } else {
 736                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 737                     return 1;
 738                 }
 739             } else
 740                 vlan = 0;
 741
 742             bt_vhci_add(vlan);
 743             return 0;
 744         }
 745     } else if (strstart(opt, "device:", &endp))
 746         return !bt_device_add(endp);
 747
 748     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 749     return 1;
 750 }
 751
 752 /***********************************************************/
 753 /* QEMU Block devices */
 754
 755 #define HD_OPTS "media=disk"
 756 #define CDROM_OPTS "media=cdrom"
 757 #define FD_OPTS ""
 758 #define PFLASH_OPTS ""
 759 #define MTD_OPTS ""
 760 #define SD_OPTS ""
 761
 762 static int drive_init_func(QemuOpts *opts, void *opaque)
 763 {
 764     int *use_scsi = opaque;
 765
 766     return drive_init(opts, *use_scsi) == NULL;
 767 }
 768
 769 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 770 {
 771     if (NULL == qemu_opt_get(opts, "snapshot")) {
 772         qemu_opt_set(opts, "snapshot", "on");
 773     }
 774     return 0;
 775 }
 776
 777 static void default_drive(int enable, int snapshot, int use_scsi,
 778                           BlockInterfaceType type, int index,
 779                           const char *optstr)
 780 {
 781     QemuOpts *opts;
 782
 783     if (type == IF_DEFAULT) {
 784         type = use_scsi ? IF_SCSI : IF_IDE;
 785     }
 786
 787     if (!enable || drive_get_by_index(type, index)) {
 788         return;
 789     }
 790
 791     opts = drive_add(type, index, NULL, optstr);
 792     if (snapshot) {
 793         drive_enable_snapshot(opts, NULL);
 794     }
 795     if (!drive_init(opts, use_scsi)) {
 796         exit(1);
 797     }
 798 }
 799
 800 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 801 {
 802     boot_set_handler = func;
 803     boot_set_opaque = opaque;
 804 }
 805
 806 int qemu_boot_set(const char *boot_devices)
 807 {
 808     if (!boot_set_handler) {
 809         return -EINVAL;
 810     }
 811     return boot_set_handler(boot_set_opaque, boot_devices);
 812 }
 813
 814 static void validate_bootdevices(char *devices)
 815 {
 816     /* We just do some generic consistency checks */
 817     const char *p;
 818     int bitmap = 0;
 819
 820     for (p = devices; *p != '\0'; p++) {
 821         /* Allowed boot devices are:
 822          * a-b: floppy disk drives
 823          * c-f: IDE disk drives
 824          * g-m: machine implementation dependent drives
 825          * n-p: network devices
 826          * It's up to each machine implementation to check if the given boot
 827          * devices match the actual hardware implementation and firmware
 828          * features.
 829          */
 830         if (*p < 'a' || *p > 'p') {
 831             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 832             exit(1);
 833         }
 834         if (bitmap & (1 << (*p - 'a'))) {
 835             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 836             exit(1);
 837         }
 838         bitmap |= 1 << (*p - 'a');
 839     }
 840 }
 841
 842 static void restore_boot_devices(void *opaque)
 843 {
 844     char *standard_boot_devices = opaque;
 845     static int first = 1;
 846
 847     /* Restore boot order and remove ourselves after the first boot */
 848     if (first) {
 849         first = 0;
 850         return;
 851     }
 852
 853     qemu_boot_set(standard_boot_devices);
 854
 855     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 856     g_free(standard_boot_devices);
 857 }
 858
 859 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 860                           const char *suffix)
 861 {
 862     FWBootEntry *node, *i;
 863
 864     if (bootindex < 0) {
 865         return;
 866     }
 867
 868     assert(dev != NULL || suffix != NULL);
 869
 870     node = g_malloc0(sizeof(FWBootEntry));
 871     node->bootindex = bootindex;
 872     node->suffix = suffix ? g_strdup(suffix) : NULL;
 873     node->dev = dev;
 874
 875     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 876         if (i->bootindex == bootindex) {
 877             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 878             exit(1);
 879         } else if (i->bootindex < bootindex) {
 880             continue;
 881         }
 882         QTAILQ_INSERT_BEFORE(i, node, link);
 883         return;
 884     }
 885     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 886 }
 887
 888 /*
 889  * This function returns null terminated string that consist of new line
 890  * separated device paths.
 891  *
 892  * memory pointed by "size" is assigned total length of the array in bytes
 893  *
 894  */
 895 char *get_boot_devices_list(uint32_t *size)
 896 {
 897     FWBootEntry *i;
 898     uint32_t total = 0;
 899     char *list = NULL;
 900
 901     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 902         char *devpath = NULL, *bootpath;
 903         int len;
 904
 905         if (i->dev) {
 906             devpath = qdev_get_fw_dev_path(i->dev);
 907             assert(devpath);
 908         }
 909
 910         if (i->suffix && devpath) {
 911             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 912
 913             bootpath = g_malloc(bootpathlen);
 914             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 915             g_free(devpath);
 916         } else if (devpath) {
 917             bootpath = devpath;
 918         } else {
 919             assert(i->suffix);
 920             bootpath = g_strdup(i->suffix);
 921         }
 922
 923         if (total) {
 924             list[total-1] = '\n';
 925         }
 926         len = strlen(bootpath) + 1;
 927         list = g_realloc(list, total + len);
 928         memcpy(&list[total], bootpath, len);
 929         total += len;
 930         g_free(bootpath);
 931     }
 932
 933     *size = total;
 934
 935     return list;
 936 }
 937
 938 static void numa_add(const char *optarg)
 939 {
 940     char option[128];
 941     char *endptr;
 942     unsigned long long value, endvalue;
 943     int nodenr;
 944
 945     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 946     if (!strcmp(option, "node")) {
 947         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 948             nodenr = nb_numa_nodes;
 949         } else {
 950             nodenr = strtoull(option, NULL, 10);
 951         }
 952
 953         if (get_param_value(option, 128, "mem", optarg) == 0) {
 954             node_mem[nodenr] = 0;
 955         } else {
 956             int64_t sval;
 957             sval = strtosz(option, &endptr);
 958             if (sval < 0 || *endptr) {
 959                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 960                 exit(1);
 961             }
 962             node_mem[nodenr] = sval;
 963         }
 964         if (get_param_value(option, 128, "cpus", optarg) == 0) {
 965             node_cpumask[nodenr] = 0;
 966         } else {
 967             value = strtoull(option, &endptr, 10);
 968             if (value >= 64) {
 969                 value = 63;
 970                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
 971             } else {
 972                 if (*endptr == '-') {
 973                     endvalue = strtoull(endptr+1, &endptr, 10);
 974                     if (endvalue >= 63) {
 975                         endvalue = 62;
 976                         fprintf(stderr,
 977                             "only 63 CPUs in NUMA mode supported.\n");
 978                     }
 979                     value = (2ULL << endvalue) - (1ULL << value);
 980                 } else {
 981                     value = 1ULL << value;
 982                 }
 983             }
 984             node_cpumask[nodenr] = value;
 985         }
 986         nb_numa_nodes++;
 987     }
 988     return;
 989 }
 990
 991 static void smp_parse(const char *optarg)
 992 {
 993     int smp, sockets = 0, threads = 0, cores = 0;
 994     char *endptr;
 995     char option[128];
 996
 997     smp = strtoul(optarg, &endptr, 10);
 998     if (endptr != optarg) {
 999         if (*endptr == ',') {
1000             endptr++;
1001         }
1002     }
1003     if (get_param_value(option, 128, "sockets", endptr) != 0)
1004         sockets = strtoull(option, NULL, 10);
1005     if (get_param_value(option, 128, "cores", endptr) != 0)
1006         cores = strtoull(option, NULL, 10);
1007     if (get_param_value(option, 128, "threads", endptr) != 0)
1008         threads = strtoull(option, NULL, 10);
1009     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1010         max_cpus = strtoull(option, NULL, 10);
1011
1012     /* compute missing values, prefer sockets over cores over threads */
1013     if (smp == 0 || sockets == 0) {
1014         sockets = sockets > 0 ? sockets : 1;
1015         cores = cores > 0 ? cores : 1;
1016         threads = threads > 0 ? threads : 1;
1017         if (smp == 0) {
1018             smp = cores * threads * sockets;
1019         }
1020     } else {
1021         if (cores == 0) {
1022             threads = threads > 0 ? threads : 1;
1023             cores = smp / (sockets * threads);
1024         } else {
1025             threads = smp / (cores * sockets);
1026         }
1027     }
1028     smp_cpus = smp;
1029     smp_cores = cores > 0 ? cores : 1;
1030     smp_threads = threads > 0 ? threads : 1;
1031     if (max_cpus == 0)
1032         max_cpus = smp_cpus;
1033 }
1034
1035 /***********************************************************/
1036 /* USB devices */
1037
1038 static int usb_device_add(const char *devname)
1039 {
1040     const char *p;
1041     USBDevice *dev = NULL;
1042
1043     if (!usb_enabled)
1044         return -1;
1045
1046     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1047     dev = usbdevice_create(devname);
1048     if (dev)
1049         goto done;
1050
1051     /* the other ones */
1052 #ifndef CONFIG_LINUX
1053     /* only the linux version is qdev-ified, usb-bsd still needs this */
1054     if (strstart(devname, "host:", &p)) {
1055         dev = usb_host_device_open(p);
1056     } else
1057 #endif
1058     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1059         dev = usb_bt_init(devname[2] ? hci_init(p) :
1060                         bt_new_hci(qemu_find_bt_vlan(0)));
1061     } else {
1062         return -1;
1063     }
1064     if (!dev)
1065         return -1;
1066
1067 done:
1068     return 0;
1069 }
1070
1071 static int usb_device_del(const char *devname)
1072 {
1073     int bus_num, addr;
1074     const char *p;
1075
1076     if (strstart(devname, "host:", &p))
1077         return usb_host_device_close(p);
1078
1079     if (!usb_enabled)
1080         return -1;
1081
1082     p = strchr(devname, '.');
1083     if (!p)
1084         return -1;
1085     bus_num = strtoul(devname, NULL, 0);
1086     addr = strtoul(p + 1, NULL, 0);
1087
1088     return usb_device_delete_addr(bus_num, addr);
1089 }
1090
1091 static int usb_parse(const char *cmdline)
1092 {
1093     int r;
1094     r = usb_device_add(cmdline);
1095     if (r < 0) {
1096         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1097     }
1098     return r;
1099 }
1100
1101 void do_usb_add(Monitor *mon, const QDict *qdict)
1102 {
1103     const char *devname = qdict_get_str(qdict, "devname");
1104     if (usb_device_add(devname) < 0) {
1105         error_report("could not add USB device '%s'", devname);
1106     }
1107 }
1108
1109 void do_usb_del(Monitor *mon, const QDict *qdict)
1110 {
1111     const char *devname = qdict_get_str(qdict, "devname");
1112     if (usb_device_del(devname) < 0) {
1113         error_report("could not delete USB device '%s'", devname);
1114     }
1115 }
1116
1117 /***********************************************************/
1118 /* PCMCIA/Cardbus */
1119
1120 static struct pcmcia_socket_entry_s {
1121     PCMCIASocket *socket;
1122     struct pcmcia_socket_entry_s *next;
1123 } *pcmcia_sockets = 0;
1124
1125 void pcmcia_socket_register(PCMCIASocket *socket)
1126 {
1127     struct pcmcia_socket_entry_s *entry;
1128
1129     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1130     entry->socket = socket;
1131     entry->next = pcmcia_sockets;
1132     pcmcia_sockets = entry;
1133 }
1134
1135 void pcmcia_socket_unregister(PCMCIASocket *socket)
1136 {
1137     struct pcmcia_socket_entry_s *entry, **ptr;
1138
1139     ptr = &pcmcia_sockets;
1140     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1141         if (entry->socket == socket) {
1142             *ptr = entry->next;
1143             g_free(entry);
1144         }
1145 }
1146
1147 void pcmcia_info(Monitor *mon)
1148 {
1149     struct pcmcia_socket_entry_s *iter;
1150
1151     if (!pcmcia_sockets)
1152         monitor_printf(mon, "No PCMCIA sockets\n");
1153
1154     for (iter = pcmcia_sockets; iter; iter = iter->next)
1155         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1156                        iter->socket->attached ? iter->socket->card_string :
1157                        "Empty");
1158 }
1159
1160 /***********************************************************/
1161 /* machine registration */
1162
1163 static QEMUMachine *first_machine = NULL;
1164 QEMUMachine *current_machine = NULL;
1165
1166 int qemu_register_machine(QEMUMachine *m)
1167 {
1168     QEMUMachine **pm;
1169     pm = &first_machine;
1170     while (*pm != NULL)
1171         pm = &(*pm)->next;
1172     m->next = NULL;
1173     *pm = m;
1174     return 0;
1175 }
1176
1177 static QEMUMachine *find_machine(const char *name)
1178 {
1179     QEMUMachine *m;
1180
1181     for(m = first_machine; m != NULL; m = m->next) {
1182         if (!strcmp(m->name, name))
1183             return m;
1184         if (m->alias && !strcmp(m->alias, name))
1185             return m;
1186     }
1187     return NULL;
1188 }
1189
1190 QEMUMachine *find_default_machine(void)
1191 {
1192     QEMUMachine *m;
1193
1194     for(m = first_machine; m != NULL; m = m->next) {
1195         if (m->is_default) {
1196             return m;
1197         }
1198     }
1199     return NULL;
1200 }
1201
1202 /***********************************************************/
1203 /* main execution loop */
1204
1205 static void gui_update(void *opaque)
1206 {
1207     uint64_t interval = GUI_REFRESH_INTERVAL;
1208     DisplayState *ds = opaque;
1209     DisplayChangeListener *dcl = ds->listeners;
1210
1211     dpy_refresh(ds);
1212
1213     while (dcl != NULL) {
1214         if (dcl->gui_timer_interval &&
1215             dcl->gui_timer_interval < interval)
1216             interval = dcl->gui_timer_interval;
1217         dcl = dcl->next;
1218     }
1219     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1220 }
1221
1222 struct vm_change_state_entry {
1223     VMChangeStateHandler *cb;
1224     void *opaque;
1225     QLIST_ENTRY (vm_change_state_entry) entries;
1226 };
1227
1228 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1229
1230 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1231                                                      void *opaque)
1232 {
1233     VMChangeStateEntry *e;
1234
1235     e = g_malloc0(sizeof (*e));
1236
1237     e->cb = cb;
1238     e->opaque = opaque;
1239     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1240     return e;
1241 }
1242
1243 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1244 {
1245     QLIST_REMOVE (e, entries);
1246     g_free (e);
1247 }
1248
1249 void vm_state_notify(int running, RunState state)
1250 {
1251     VMChangeStateEntry *e;
1252
1253     trace_vm_state_notify(running, state);
1254
1255     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1256         e->cb(e->opaque, running, state);
1257     }
1258 }
1259
1260 void vm_start(void)
1261 {
1262     if (!runstate_is_running()) {
1263         cpu_enable_ticks();
1264         runstate_set(RUN_STATE_RUNNING);
1265         vm_state_notify(1, RUN_STATE_RUNNING);
1266         resume_all_vcpus();
1267         monitor_protocol_event(QEVENT_RESUME, NULL);
1268     }
1269 }
1270
1271 /* reset/shutdown handler */
1272
1273 typedef struct QEMUResetEntry {
1274     QTAILQ_ENTRY(QEMUResetEntry) entry;
1275     QEMUResetHandler *func;
1276     void *opaque;
1277 } QEMUResetEntry;
1278
1279 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1280     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1281 static int reset_requested;
1282 static int shutdown_requested, shutdown_signal = -1;
1283 static pid_t shutdown_pid;
1284 static int powerdown_requested;
1285 static int debug_requested;
1286 static RunState vmstop_requested = RUN_STATE_MAX;
1287
1288 int qemu_shutdown_requested_get(void)
1289 {
1290     return shutdown_requested;
1291 }
1292
1293 int qemu_reset_requested_get(void)
1294 {
1295     return reset_requested;
1296 }
1297
1298 int qemu_shutdown_requested(void)
1299 {
1300     int r = shutdown_requested;
1301     shutdown_requested = 0;
1302     return r;
1303 }
1304
1305 void qemu_kill_report(void)
1306 {
1307     if (shutdown_signal != -1) {
1308         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1309         if (shutdown_pid == 0) {
1310             /* This happens for eg ^C at the terminal, so it's worth
1311              * avoiding printing an odd message in that case.
1312              */
1313             fputc('\n', stderr);
1314         } else {
1315             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1316         }
1317         shutdown_signal = -1;
1318     }
1319 }
1320
1321 int qemu_reset_requested(void)
1322 {
1323     int r = reset_requested;
1324     reset_requested = 0;
1325     return r;
1326 }
1327
1328 int qemu_powerdown_requested(void)
1329 {
1330     int r = powerdown_requested;
1331     powerdown_requested = 0;
1332     return r;
1333 }
1334
1335 static int qemu_debug_requested(void)
1336 {
1337     int r = debug_requested;
1338     debug_requested = 0;
1339     return r;
1340 }
1341
1342 /* We use RUN_STATE_MAX but any invalid value will do */
1343 static bool qemu_vmstop_requested(RunState *r)
1344 {
1345     if (vmstop_requested < RUN_STATE_MAX) {
1346         *r = vmstop_requested;
1347         vmstop_requested = RUN_STATE_MAX;
1348         return true;
1349     }
1350
1351     return false;
1352 }
1353
1354 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1355 {
1356     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1357
1358     re->func = func;
1359     re->opaque = opaque;
1360     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1361 }
1362
1363 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1364 {
1365     QEMUResetEntry *re;
1366
1367     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1368         if (re->func == func && re->opaque == opaque) {
1369             QTAILQ_REMOVE(&reset_handlers, re, entry);
1370             g_free(re);
1371             return;
1372         }
1373     }
1374 }
1375
1376 void qemu_system_reset(bool report)
1377 {
1378     QEMUResetEntry *re, *nre;
1379
1380     /* reset all devices */
1381     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1382         re->func(re->opaque);
1383     }
1384     if (report) {
1385         monitor_protocol_event(QEVENT_RESET, NULL);
1386     }
1387     cpu_synchronize_all_post_reset();
1388 }
1389
1390 void qemu_system_reset_request(void)
1391 {
1392     if (no_reboot) {
1393         shutdown_requested = 1;
1394     } else {
1395         reset_requested = 1;
1396     }
1397     cpu_stop_current();
1398     qemu_notify_event();
1399 }
1400
1401 void qemu_system_killed(int signal, pid_t pid)
1402 {
1403     shutdown_signal = signal;
1404     shutdown_pid = pid;
1405     no_shutdown = 0;
1406     qemu_system_shutdown_request();
1407 }
1408
1409 void qemu_system_shutdown_request(void)
1410 {
1411     shutdown_requested = 1;
1412     qemu_notify_event();
1413 }
1414
1415 void qemu_system_powerdown_request(void)
1416 {
1417     powerdown_requested = 1;
1418     qemu_notify_event();
1419 }
1420
1421 void qemu_system_debug_request(void)
1422 {
1423     debug_requested = 1;
1424     qemu_notify_event();
1425 }
1426
1427 void qemu_system_vmstop_request(RunState state)
1428 {
1429     vmstop_requested = state;
1430     qemu_notify_event();
1431 }
1432
1433 qemu_irq qemu_system_powerdown;
1434
1435 static bool main_loop_should_exit(void)
1436 {
1437     RunState r;
1438     if (qemu_debug_requested()) {
1439         vm_stop(RUN_STATE_DEBUG);
1440     }
1441     if (qemu_shutdown_requested()) {
1442         qemu_kill_report();
1443         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1444         if (no_shutdown) {
1445             vm_stop(RUN_STATE_SHUTDOWN);
1446         } else {
1447             return true;
1448         }
1449     }
1450     if (qemu_reset_requested()) {
1451         pause_all_vcpus();
1452         cpu_synchronize_all_states();
1453         qemu_system_reset(VMRESET_REPORT);
1454         resume_all_vcpus();
1455         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1456             runstate_check(RUN_STATE_SHUTDOWN)) {
1457             runstate_set(RUN_STATE_PAUSED);
1458         }
1459     }
1460     if (qemu_powerdown_requested()) {
1461         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1462         qemu_irq_raise(qemu_system_powerdown);
1463     }
1464     if (qemu_vmstop_requested(&r)) {
1465         vm_stop(r);
1466     }
1467     return false;
1468 }
1469
1470 static void main_loop(void)
1471 {
1472     bool nonblocking;
1473     int last_io = 0;
1474 #ifdef CONFIG_PROFILER
1475     int64_t ti;
1476 #endif
1477     do {
1478         nonblocking = !kvm_enabled() && last_io > 0;
1479 #ifdef CONFIG_PROFILER
1480         ti = profile_getclock();
1481 #endif
1482         last_io = main_loop_wait(nonblocking);
1483 #ifdef CONFIG_PROFILER
1484         dev_time += profile_getclock() - ti;
1485 #endif
1486     } while (!main_loop_should_exit());
1487 }
1488
1489 static void version(void)
1490 {
1491     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1492 }
1493
1494 static void help(int exitcode)
1495 {
1496     version();
1497     printf("usage: %s [options] [disk_image]\n\n"
1498            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1499             error_get_progname());
1500
1501 #define QEMU_OPTIONS_GENERATE_HELP
1502 #include "qemu-options-wrapper.h"
1503
1504     printf("\nDuring emulation, the following keys are useful:\n"
1505            "ctrl-alt-f      toggle full screen\n"
1506            "ctrl-alt-n      switch to virtual console 'n'\n"
1507            "ctrl-alt        toggle mouse and keyboard grab\n"
1508            "\n"
1509            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1510
1511     exit(exitcode);
1512 }
1513
1514 #define HAS_ARG 0x0001
1515
1516 typedef struct QEMUOption {
1517     const char *name;
1518     int flags;
1519     int index;
1520     uint32_t arch_mask;
1521 } QEMUOption;
1522
1523 static const QEMUOption qemu_options[] = {
1524     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1525 #define QEMU_OPTIONS_GENERATE_OPTIONS
1526 #include "qemu-options-wrapper.h"
1527     { NULL },
1528 };
1529
1530 static bool vga_available(void)
1531 {
1532     return qdev_exists("VGA") || qdev_exists("isa-vga");
1533 }
1534
1535 static bool cirrus_vga_available(void)
1536 {
1537     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1538 }
1539
1540 static bool vmware_vga_available(void)
1541 {
1542     return qdev_exists("vmware-svga");
1543 }
1544
1545 static void select_vgahw (const char *p)
1546 {
1547     const char *opts;
1548
1549     vga_interface_type = VGA_NONE;
1550     if (strstart(p, "std", &opts)) {
1551         if (vga_available()) {
1552             vga_interface_type = VGA_STD;
1553         } else {
1554             fprintf(stderr, "Error: standard VGA not available\n");
1555             exit(0);
1556         }
1557     } else if (strstart(p, "cirrus", &opts)) {
1558         if (cirrus_vga_available()) {
1559             vga_interface_type = VGA_CIRRUS;
1560         } else {
1561             fprintf(stderr, "Error: Cirrus VGA not available\n");
1562             exit(0);
1563         }
1564     } else if (strstart(p, "vmware", &opts)) {
1565         if (vmware_vga_available()) {
1566             vga_interface_type = VGA_VMWARE;
1567         } else {
1568             fprintf(stderr, "Error: VMWare SVGA not available\n");
1569             exit(0);
1570         }
1571     } else if (strstart(p, "xenfb", &opts)) {
1572         vga_interface_type = VGA_XENFB;
1573     } else if (strstart(p, "qxl", &opts)) {
1574         vga_interface_type = VGA_QXL;
1575     } else if (!strstart(p, "none", &opts)) {
1576     invalid_vga:
1577         fprintf(stderr, "Unknown vga type: %s\n", p);
1578         exit(1);
1579     }
1580     while (*opts) {
1581         const char *nextopt;
1582
1583         if (strstart(opts, ",retrace=", &nextopt)) {
1584             opts = nextopt;
1585             if (strstart(opts, "dumb", &nextopt))
1586                 vga_retrace_method = VGA_RETRACE_DUMB;
1587             else if (strstart(opts, "precise", &nextopt))
1588                 vga_retrace_method = VGA_RETRACE_PRECISE;
1589             else goto invalid_vga;
1590         } else goto invalid_vga;
1591         opts = nextopt;
1592     }
1593 }
1594
1595 static DisplayType select_display(const char *p)
1596 {
1597     const char *opts;
1598     DisplayType display = DT_DEFAULT;
1599
1600     if (strstart(p, "sdl", &opts)) {
1601 #ifdef CONFIG_SDL
1602         display = DT_SDL;
1603         while (*opts) {
1604             const char *nextopt;
1605
1606             if (strstart(opts, ",frame=", &nextopt)) {
1607                 opts = nextopt;
1608                 if (strstart(opts, "on", &nextopt)) {
1609                     no_frame = 0;
1610                 } else if (strstart(opts, "off", &nextopt)) {
1611                     no_frame = 1;
1612                 } else {
1613                     goto invalid_sdl_args;
1614                 }
1615             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1616                 opts = nextopt;
1617                 if (strstart(opts, "on", &nextopt)) {
1618                     alt_grab = 1;
1619                 } else if (strstart(opts, "off", &nextopt)) {
1620                     alt_grab = 0;
1621                 } else {
1622                     goto invalid_sdl_args;
1623                 }
1624             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1625                 opts = nextopt;
1626                 if (strstart(opts, "on", &nextopt)) {
1627                     ctrl_grab = 1;
1628                 } else if (strstart(opts, "off", &nextopt)) {
1629                     ctrl_grab = 0;
1630                 } else {
1631                     goto invalid_sdl_args;
1632                 }
1633             } else if (strstart(opts, ",window_close=", &nextopt)) {
1634                 opts = nextopt;
1635                 if (strstart(opts, "on", &nextopt)) {
1636                     no_quit = 0;
1637                 } else if (strstart(opts, "off", &nextopt)) {
1638                     no_quit = 1;
1639                 } else {
1640                     goto invalid_sdl_args;
1641                 }
1642             } else {
1643             invalid_sdl_args:
1644                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1645                 exit(1);
1646             }
1647             opts = nextopt;
1648         }
1649 #else
1650         fprintf(stderr, "SDL support is disabled\n");
1651         exit(1);
1652 #endif
1653     } else if (strstart(p, "vnc", &opts)) {
1654 #ifdef CONFIG_VNC
1655         display_remote++;
1656
1657         if (*opts) {
1658             const char *nextopt;
1659
1660             if (strstart(opts, "=", &nextopt)) {
1661                 vnc_display = nextopt;
1662             }
1663         }
1664         if (!vnc_display) {
1665             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1666             exit(1);
1667         }
1668 #else
1669         fprintf(stderr, "VNC support is disabled\n");
1670         exit(1);
1671 #endif
1672     } else if (strstart(p, "curses", &opts)) {
1673 #ifdef CONFIG_CURSES
1674         display = DT_CURSES;
1675 #else
1676         fprintf(stderr, "Curses support is disabled\n");
1677         exit(1);
1678 #endif
1679     } else if (strstart(p, "none", &opts)) {
1680         display = DT_NONE;
1681     } else {
1682         fprintf(stderr, "Unknown display type: %s\n", p);
1683         exit(1);
1684     }
1685
1686     return display;
1687 }
1688
1689 static int balloon_parse(const char *arg)
1690 {
1691     QemuOpts *opts;
1692
1693     if (strcmp(arg, "none") == 0) {
1694         return 0;
1695     }
1696
1697     if (!strncmp(arg, "virtio", 6)) {
1698         if (arg[6] == ',') {
1699             /* have params -> parse them */
1700             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1701             if (!opts)
1702                 return  -1;
1703         } else {
1704             /* create empty opts */
1705             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1706         }
1707         qemu_opt_set(opts, "driver", "virtio-balloon");
1708         return 0;
1709     }
1710
1711     return -1;
1712 }
1713
1714 char *qemu_find_file(int type, const char *name)
1715 {
1716     int len;
1717     const char *subdir;
1718     char *buf;
1719
1720     /* If name contains path separators then try it as a straight path.  */
1721     if ((strchr(name, '/') || strchr(name, '\\'))
1722         && access(name, R_OK) == 0) {
1723         return g_strdup(name);
1724     }
1725     switch (type) {
1726     case QEMU_FILE_TYPE_BIOS:
1727         subdir = "";
1728         break;
1729     case QEMU_FILE_TYPE_KEYMAP:
1730         subdir = "keymaps/";
1731         break;
1732     default:
1733         abort();
1734     }
1735     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1736     buf = g_malloc0(len);
1737     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1738     if (access(buf, R_OK)) {
1739         g_free(buf);
1740         return NULL;
1741     }
1742     return buf;
1743 }
1744
1745 static int device_help_func(QemuOpts *opts, void *opaque)
1746 {
1747     return qdev_device_help(opts);
1748 }
1749
1750 static int device_init_func(QemuOpts *opts, void *opaque)
1751 {
1752     DeviceState *dev;
1753
1754     dev = qdev_device_add(opts);
1755     if (!dev)
1756         return -1;
1757     return 0;
1758 }
1759
1760 static int chardev_init_func(QemuOpts *opts, void *opaque)
1761 {
1762     CharDriverState *chr;
1763
1764     chr = qemu_chr_new_from_opts(opts, NULL);
1765     if (!chr)
1766         return -1;
1767     return 0;
1768 }
1769
1770 #ifdef CONFIG_VIRTFS
1771 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1772 {
1773     int ret;
1774     ret = qemu_fsdev_add(opts);
1775
1776     return ret;
1777 }
1778 #endif
1779
1780 static int mon_init_func(QemuOpts *opts, void *opaque)
1781 {
1782     CharDriverState *chr;
1783     const char *chardev;
1784     const char *mode;
1785     int flags;
1786
1787     mode = qemu_opt_get(opts, "mode");
1788     if (mode == NULL) {
1789         mode = "readline";
1790     }
1791     if (strcmp(mode, "readline") == 0) {
1792         flags = MONITOR_USE_READLINE;
1793     } else if (strcmp(mode, "control") == 0) {
1794         flags = MONITOR_USE_CONTROL;
1795     } else {
1796         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1797         exit(1);
1798     }
1799
1800     if (qemu_opt_get_bool(opts, "pretty", 0))
1801         flags |= MONITOR_USE_PRETTY;
1802
1803     if (qemu_opt_get_bool(opts, "default", 0))
1804         flags |= MONITOR_IS_DEFAULT;
1805
1806     chardev = qemu_opt_get(opts, "chardev");
1807     chr = qemu_chr_find(chardev);
1808     if (chr == NULL) {
1809         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1810         exit(1);
1811     }
1812
1813     monitor_init(chr, flags);
1814     return 0;
1815 }
1816
1817 static void monitor_parse(const char *optarg, const char *mode)
1818 {
1819     static int monitor_device_index = 0;
1820     QemuOpts *opts;
1821     const char *p;
1822     char label[32];
1823     int def = 0;
1824
1825     if (strstart(optarg, "chardev:", &p)) {
1826         snprintf(label, sizeof(label), "%s", p);
1827     } else {
1828         snprintf(label, sizeof(label), "compat_monitor%d",
1829                  monitor_device_index);
1830         if (monitor_device_index == 0) {
1831             def = 1;
1832         }
1833         opts = qemu_chr_parse_compat(label, optarg);
1834         if (!opts) {
1835             fprintf(stderr, "parse error: %s\n", optarg);
1836             exit(1);
1837         }
1838     }
1839
1840     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1841     if (!opts) {
1842         fprintf(stderr, "duplicate chardev: %s\n", label);
1843         exit(1);
1844     }
1845     qemu_opt_set(opts, "mode", mode);
1846     qemu_opt_set(opts, "chardev", label);
1847     if (def)
1848         qemu_opt_set(opts, "default", "on");
1849     monitor_device_index++;
1850 }
1851
1852 struct device_config {
1853     enum {
1854         DEV_USB,       /* -usbdevice     */
1855         DEV_BT,        /* -bt            */
1856         DEV_SERIAL,    /* -serial        */
1857         DEV_PARALLEL,  /* -parallel      */
1858         DEV_VIRTCON,   /* -virtioconsole */
1859         DEV_DEBUGCON,  /* -debugcon */
1860     } type;
1861     const char *cmdline;
1862     QTAILQ_ENTRY(device_config) next;
1863 };
1864 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1865
1866 static void add_device_config(int type, const char *cmdline)
1867 {
1868     struct device_config *conf;
1869
1870     conf = g_malloc0(sizeof(*conf));
1871     conf->type = type;
1872     conf->cmdline = cmdline;
1873     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1874 }
1875
1876 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1877 {
1878     struct device_config *conf;
1879     int rc;
1880
1881     QTAILQ_FOREACH(conf, &device_configs, next) {
1882         if (conf->type != type)
1883             continue;
1884         rc = func(conf->cmdline);
1885         if (0 != rc)
1886             return rc;
1887     }
1888     return 0;
1889 }
1890
1891 static int serial_parse(const char *devname)
1892 {
1893     static int index = 0;
1894     char label[32];
1895
1896     if (strcmp(devname, "none") == 0)
1897         return 0;
1898     if (index == MAX_SERIAL_PORTS) {
1899         fprintf(stderr, "qemu: too many serial ports\n");
1900         exit(1);
1901     }
1902     snprintf(label, sizeof(label), "serial%d", index);
1903     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1904     if (!serial_hds[index]) {
1905         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1906                 devname, strerror(errno));
1907         return -1;
1908     }
1909     index++;
1910     return 0;
1911 }
1912
1913 static int parallel_parse(const char *devname)
1914 {
1915     static int index = 0;
1916     char label[32];
1917
1918     if (strcmp(devname, "none") == 0)
1919         return 0;
1920     if (index == MAX_PARALLEL_PORTS) {
1921         fprintf(stderr, "qemu: too many parallel ports\n");
1922         exit(1);
1923     }
1924     snprintf(label, sizeof(label), "parallel%d", index);
1925     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1926     if (!parallel_hds[index]) {
1927         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1928                 devname, strerror(errno));
1929         return -1;
1930     }
1931     index++;
1932     return 0;
1933 }
1934
1935 static int virtcon_parse(const char *devname)
1936 {
1937     QemuOptsList *device = qemu_find_opts("device");
1938     static int index = 0;
1939     char label[32];
1940     QemuOpts *bus_opts, *dev_opts;
1941
1942     if (strcmp(devname, "none") == 0)
1943         return 0;
1944     if (index == MAX_VIRTIO_CONSOLES) {
1945         fprintf(stderr, "qemu: too many virtio consoles\n");
1946         exit(1);
1947     }
1948
1949     bus_opts = qemu_opts_create(device, NULL, 0);
1950     if (arch_type == QEMU_ARCH_S390X) {
1951         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
1952     } else {
1953         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
1954     }
1955
1956     dev_opts = qemu_opts_create(device, NULL, 0);
1957     qemu_opt_set(dev_opts, "driver", "virtconsole");
1958
1959     snprintf(label, sizeof(label), "virtcon%d", index);
1960     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1961     if (!virtcon_hds[index]) {
1962         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1963                 devname, strerror(errno));
1964         return -1;
1965     }
1966     qemu_opt_set(dev_opts, "chardev", label);
1967
1968     index++;
1969     return 0;
1970 }
1971
1972 static int debugcon_parse(const char *devname)
1973 {
1974     QemuOpts *opts;
1975
1976     if (!qemu_chr_new("debugcon", devname, NULL)) {
1977         exit(1);
1978     }
1979     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1980     if (!opts) {
1981         fprintf(stderr, "qemu: already have a debugcon device\n");
1982         exit(1);
1983     }
1984     qemu_opt_set(opts, "driver", "isa-debugcon");
1985     qemu_opt_set(opts, "chardev", "debugcon");
1986     return 0;
1987 }
1988
1989 static QEMUMachine *machine_parse(const char *name)
1990 {
1991     QEMUMachine *m, *machine = NULL;
1992
1993     if (name) {
1994         machine = find_machine(name);
1995     }
1996     if (machine) {
1997         return machine;
1998     }
1999     printf("Supported machines are:\n");
2000     for (m = first_machine; m != NULL; m = m->next) {
2001         if (m->alias) {
2002             printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
2003         }
2004         printf("%-10s %s%s\n", m->name, m->desc,
2005                m->is_default ? " (default)" : "");
2006     }
2007     exit(!name || *name != '?');
2008 }
2009
2010 static int tcg_init(void)
2011 {
2012     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2013     return 0;
2014 }
2015
2016 static struct {
2017     const char *opt_name;
2018     const char *name;
2019     int (*available)(void);
2020     int (*init)(void);
2021     int *allowed;
2022 } accel_list[] = {
2023     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2024     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2025     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2026 };
2027
2028 static int configure_accelerator(void)
2029 {
2030     const char *p = NULL;
2031     char buf[10];
2032     int i, ret;
2033     bool accel_initialised = 0;
2034     bool init_failed = 0;
2035
2036     QemuOptsList *list = qemu_find_opts("machine");
2037     if (!QTAILQ_EMPTY(&list->head)) {
2038         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2039     }
2040
2041     if (p == NULL) {
2042         /* Use the default "accelerator", tcg */
2043         p = "tcg";
2044     }
2045
2046     while (!accel_initialised && *p != '\0') {
2047         if (*p == ':') {
2048             p++;
2049         }
2050         p = get_opt_name(buf, sizeof (buf), p, ':');
2051         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2052             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2053                 *(accel_list[i].allowed) = 1;
2054                 ret = accel_list[i].init();
2055                 if (ret < 0) {
2056                     init_failed = 1;
2057                     if (!accel_list[i].available()) {
2058                         printf("%s not supported for this target\n",
2059                                accel_list[i].name);
2060                     } else {
2061                         fprintf(stderr, "failed to initialize %s: %s\n",
2062                                 accel_list[i].name,
2063                                 strerror(-ret));
2064                     }
2065                     *(accel_list[i].allowed) = 0;
2066                 } else {
2067                     accel_initialised = 1;
2068                 }
2069                 break;
2070             }
2071         }
2072         if (i == ARRAY_SIZE(accel_list)) {
2073             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2074         }
2075     }
2076
2077     if (!accel_initialised) {
2078         fprintf(stderr, "No accelerator found!\n");
2079         exit(1);
2080     }
2081
2082     if (init_failed) {
2083         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2084     }
2085
2086     return !accel_initialised;
2087 }
2088
2089 void qemu_add_exit_notifier(Notifier *notify)
2090 {
2091     notifier_list_add(&exit_notifiers, notify);
2092 }
2093
2094 void qemu_remove_exit_notifier(Notifier *notify)
2095 {
2096     notifier_remove(notify);
2097 }
2098
2099 static void qemu_run_exit_notifiers(void)
2100 {
2101     notifier_list_notify(&exit_notifiers, NULL);
2102 }
2103
2104 void qemu_add_machine_init_done_notifier(Notifier *notify)
2105 {
2106     notifier_list_add(&machine_init_done_notifiers, notify);
2107 }
2108
2109 static void qemu_run_machine_init_done_notifiers(void)
2110 {
2111     notifier_list_notify(&machine_init_done_notifiers, NULL);
2112 }
2113
2114 static const QEMUOption *lookup_opt(int argc, char **argv,
2115                                     const char **poptarg, int *poptind)
2116 {
2117     const QEMUOption *popt;
2118     int optind = *poptind;
2119     char *r = argv[optind];
2120     const char *optarg;
2121
2122     loc_set_cmdline(argv, optind, 1);
2123     optind++;
2124     /* Treat --foo the same as -foo.  */
2125     if (r[1] == '-')
2126         r++;
2127     popt = qemu_options;
2128     for(;;) {
2129         if (!popt->name) {
2130             error_report("invalid option");
2131             exit(1);
2132         }
2133         if (!strcmp(popt->name, r + 1))
2134             break;
2135         popt++;
2136     }
2137     if (popt->flags & HAS_ARG) {
2138         if (optind >= argc) {
2139             error_report("requires an argument");
2140             exit(1);
2141         }
2142         optarg = argv[optind++];
2143         loc_set_cmdline(argv, optind - 2, 2);
2144     } else {
2145         optarg = NULL;
2146     }
2147
2148     *poptarg = optarg;
2149     *poptind = optind;
2150
2151     return popt;
2152 }
2153
2154 static gpointer malloc_and_trace(gsize n_bytes)
2155 {
2156     void *ptr = malloc(n_bytes);
2157     trace_g_malloc(n_bytes, ptr);
2158     return ptr;
2159 }
2160
2161 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2162 {
2163     void *ptr = realloc(mem, n_bytes);
2164     trace_g_realloc(mem, n_bytes, ptr);
2165     return ptr;
2166 }
2167
2168 static void free_and_trace(gpointer mem)
2169 {
2170     trace_g_free(mem);
2171     free(mem);
2172 }
2173
2174 int qemu_init_main_loop(void)
2175 {
2176     return main_loop_init();
2177 }
2178
2179 int main(int argc, char **argv, char **envp)
2180 {
2181     const char *gdbstub_dev = NULL;
2182     int i;
2183     int snapshot, linux_boot;
2184     const char *icount_option = NULL;
2185     const char *initrd_filename;
2186     const char *kernel_filename, *kernel_cmdline;
2187     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2188     DisplayState *ds;
2189     DisplayChangeListener *dcl;
2190     int cyls, heads, secs, translation;
2191     QemuOpts *hda_opts = NULL, *opts;
2192     QemuOptsList *olist;
2193     int optind;
2194     const char *optarg;
2195     const char *loadvm = NULL;
2196     QEMUMachine *machine;
2197     const char *cpu_model;
2198     const char *vga_model = NULL;
2199     const char *pid_file = NULL;
2200     const char *incoming = NULL;
2201 #ifdef CONFIG_VNC
2202     int show_vnc_port = 0;
2203 #endif
2204     int defconfig = 1;
2205     const char *log_mask = NULL;
2206     const char *log_file = NULL;
2207     GMemVTable mem_trace = {
2208         .malloc = malloc_and_trace,
2209         .realloc = realloc_and_trace,
2210         .free = free_and_trace,
2211     };
2212     const char *trace_events = NULL;
2213     const char *trace_file = NULL;
2214
2215     atexit(qemu_run_exit_notifiers);
2216     error_set_progname(argv[0]);
2217
2218     g_mem_set_vtable(&mem_trace);
2219     if (!g_thread_supported()) {
2220 #if !GLIB_CHECK_VERSION(2, 31, 0)
2221         g_thread_init(NULL);
2222 #else
2223         fprintf(stderr, "glib threading failed to initialize.\n");
2224         exit(1);
2225 #endif
2226     }
2227
2228     runstate_init();
2229
2230     init_clocks();
2231     rtc_clock = host_clock;
2232
2233     qemu_cache_utils_init(envp);
2234
2235     QLIST_INIT (&vm_change_state_head);
2236     os_setup_early_signal_handling();
2237
2238     module_call_init(MODULE_INIT_MACHINE);
2239     machine = find_default_machine();
2240     cpu_model = NULL;
2241     ram_size = 0;
2242     snapshot = 0;
2243     cyls = heads = secs = 0;
2244     translation = BIOS_ATA_TRANSLATION_AUTO;
2245
2246     for (i = 0; i < MAX_NODES; i++) {
2247         node_mem[i] = 0;
2248         node_cpumask[i] = 0;
2249     }
2250
2251     nb_numa_nodes = 0;
2252     nb_nics = 0;
2253
2254     autostart= 1;
2255
2256     /* first pass of option parsing */
2257     optind = 1;
2258     while (optind < argc) {
2259         if (argv[optind][0] != '-') {
2260             /* disk image */
2261             optind++;
2262             continue;
2263         } else {
2264             const QEMUOption *popt;
2265
2266             popt = lookup_opt(argc, argv, &optarg, &optind);
2267             switch (popt->index) {
2268             case QEMU_OPTION_nodefconfig:
2269                 defconfig=0;
2270                 break;
2271             }
2272         }
2273     }
2274
2275     if (defconfig) {
2276         int ret;
2277
2278         ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2279         if (ret < 0 && ret != -ENOENT) {
2280             exit(1);
2281         }
2282
2283         ret = qemu_read_config_file(arch_config_name);
2284         if (ret < 0 && ret != -ENOENT) {
2285             exit(1);
2286         }
2287     }
2288     cpudef_init();
2289
2290     /* second pass of option parsing */
2291     optind = 1;
2292     for(;;) {
2293         if (optind >= argc)
2294             break;
2295         if (argv[optind][0] != '-') {
2296             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2297         } else {
2298             const QEMUOption *popt;
2299
2300             popt = lookup_opt(argc, argv, &optarg, &optind);
2301             if (!(popt->arch_mask & arch_type)) {
2302                 printf("Option %s not supported for this target\n", popt->name);
2303                 exit(1);
2304             }
2305             switch(popt->index) {
2306             case QEMU_OPTION_M:
2307                 machine = machine_parse(optarg);
2308                 break;
2309             case QEMU_OPTION_cpu:
2310                 /* hw initialization will check this */
2311                 if (*optarg == '?') {
2312                     list_cpus(stdout, &fprintf, optarg);
2313                     exit(0);
2314                 } else {
2315                     cpu_model = optarg;
2316                 }
2317                 break;
2318             case QEMU_OPTION_hda:
2319                 {
2320                     char buf[256];
2321                     if (cyls == 0)
2322                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2323                     else
2324                         snprintf(buf, sizeof(buf),
2325                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2326                                  HD_OPTS , cyls, heads, secs,
2327                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2328                                  ",trans=lba" :
2329                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2330                                  ",trans=none" : "");
2331                     drive_add(IF_DEFAULT, 0, optarg, buf);
2332                     break;
2333                 }
2334             case QEMU_OPTION_hdb:
2335             case QEMU_OPTION_hdc:
2336             case QEMU_OPTION_hdd:
2337                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2338                           HD_OPTS);
2339                 break;
2340             case QEMU_OPTION_drive:
2341                 if (drive_def(optarg) == NULL) {
2342                     exit(1);
2343                 }
2344                 break;
2345             case QEMU_OPTION_set:
2346                 if (qemu_set_option(optarg) != 0)
2347                     exit(1);
2348                 break;
2349             case QEMU_OPTION_global:
2350                 if (qemu_global_option(optarg) != 0)
2351                     exit(1);
2352                 break;
2353             case QEMU_OPTION_mtdblock:
2354                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2355                 break;
2356             case QEMU_OPTION_sd:
2357                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2358                 break;
2359             case QEMU_OPTION_pflash:
2360                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2361                 break;
2362             case QEMU_OPTION_snapshot:
2363                 snapshot = 1;
2364                 break;
2365             case QEMU_OPTION_hdachs:
2366                 {
2367                     const char *p;
2368                     p = optarg;
2369                     cyls = strtol(p, (char **)&p, 0);
2370                     if (cyls < 1 || cyls > 16383)
2371                         goto chs_fail;
2372                     if (*p != ',')
2373                         goto chs_fail;
2374                     p++;
2375                     heads = strtol(p, (char **)&p, 0);
2376                     if (heads < 1 || heads > 16)
2377                         goto chs_fail;
2378                     if (*p != ',')
2379                         goto chs_fail;
2380                     p++;
2381                     secs = strtol(p, (char **)&p, 0);
2382                     if (secs < 1 || secs > 63)
2383                         goto chs_fail;
2384                     if (*p == ',') {
2385                         p++;
2386                         if (!strcmp(p, "none"))
2387                             translation = BIOS_ATA_TRANSLATION_NONE;
2388                         else if (!strcmp(p, "lba"))
2389                             translation = BIOS_ATA_TRANSLATION_LBA;
2390                         else if (!strcmp(p, "auto"))
2391                             translation = BIOS_ATA_TRANSLATION_AUTO;
2392                         else
2393                             goto chs_fail;
2394                     } else if (*p != '\0') {
2395                     chs_fail:
2396                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2397                         exit(1);
2398                     }
2399                     if (hda_opts != NULL) {
2400                         char num[16];
2401                         snprintf(num, sizeof(num), "%d", cyls);
2402                         qemu_opt_set(hda_opts, "cyls", num);
2403                         snprintf(num, sizeof(num), "%d", heads);
2404                         qemu_opt_set(hda_opts, "heads", num);
2405                         snprintf(num, sizeof(num), "%d", secs);
2406                         qemu_opt_set(hda_opts, "secs", num);
2407                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2408                             qemu_opt_set(hda_opts, "trans", "lba");
2409                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2410                             qemu_opt_set(hda_opts, "trans", "none");
2411                     }
2412                 }
2413                 break;
2414             case QEMU_OPTION_numa:
2415                 if (nb_numa_nodes >= MAX_NODES) {
2416                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2417                     exit(1);
2418                 }
2419                 numa_add(optarg);
2420                 break;
2421             case QEMU_OPTION_display:
2422                 display_type = select_display(optarg);
2423                 break;
2424             case QEMU_OPTION_nographic:
2425                 display_type = DT_NOGRAPHIC;
2426                 break;
2427             case QEMU_OPTION_curses:
2428 #ifdef CONFIG_CURSES
2429                 display_type = DT_CURSES;
2430 #else
2431                 fprintf(stderr, "Curses support is disabled\n");
2432                 exit(1);
2433 #endif
2434                 break;
2435             case QEMU_OPTION_portrait:
2436                 graphic_rotate = 90;
2437                 break;
2438             case QEMU_OPTION_rotate:
2439                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2440                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2441                     graphic_rotate != 180 && graphic_rotate != 270) {
2442                     fprintf(stderr,
2443                         "qemu: only 90, 180, 270 deg rotation is available\n");
2444                     exit(1);
2445                 }
2446                 break;
2447             case QEMU_OPTION_kernel:
2448                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2449                 break;
2450             case QEMU_OPTION_initrd:
2451                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2452                 break;
2453             case QEMU_OPTION_append:
2454                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2455                 break;
2456             case QEMU_OPTION_cdrom:
2457                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2458                 break;
2459             case QEMU_OPTION_boot:
2460                 {
2461                     static const char * const params[] = {
2462                         "order", "once", "menu",
2463                         "splash", "splash-time", NULL
2464                     };
2465                     char buf[sizeof(boot_devices)];
2466                     char *standard_boot_devices;
2467                     int legacy = 0;
2468
2469                     if (!strchr(optarg, '=')) {
2470                         legacy = 1;
2471                         pstrcpy(buf, sizeof(buf), optarg);
2472                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2473                         fprintf(stderr,
2474                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2475                                 buf, optarg);
2476                         exit(1);
2477                     }
2478
2479                     if (legacy ||
2480                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2481                         validate_bootdevices(buf);
2482                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2483                     }
2484                     if (!legacy) {
2485                         if (get_param_value(buf, sizeof(buf),
2486                                             "once", optarg)) {
2487                             validate_bootdevices(buf);
2488                             standard_boot_devices = g_strdup(boot_devices);
2489                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2490                             qemu_register_reset(restore_boot_devices,
2491                                                 standard_boot_devices);
2492                         }
2493                         if (get_param_value(buf, sizeof(buf),
2494                                             "menu", optarg)) {
2495                             if (!strcmp(buf, "on")) {
2496                                 boot_menu = 1;
2497                             } else if (!strcmp(buf, "off")) {
2498                                 boot_menu = 0;
2499                             } else {
2500                                 fprintf(stderr,
2501                                         "qemu: invalid option value '%s'\n",
2502                                         buf);
2503                                 exit(1);
2504                             }
2505                         }
2506                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2507                                         optarg, 0);
2508                     }
2509                 }
2510                 break;
2511             case QEMU_OPTION_fda:
2512             case QEMU_OPTION_fdb:
2513                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2514                           optarg, FD_OPTS);
2515                 break;
2516             case QEMU_OPTION_no_fd_bootchk:
2517                 fd_bootchk = 0;
2518                 break;
2519             case QEMU_OPTION_netdev:
2520                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2521                     exit(1);
2522                 }
2523                 break;
2524             case QEMU_OPTION_net:
2525                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2526                     exit(1);
2527                 }
2528                 break;
2529 #ifdef CONFIG_LIBISCSI
2530             case QEMU_OPTION_iscsi:
2531                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2532                 if (!opts) {
2533                     exit(1);
2534                 }
2535                 break;
2536 #endif
2537 #ifdef CONFIG_SLIRP
2538             case QEMU_OPTION_tftp:
2539                 legacy_tftp_prefix = optarg;
2540                 break;
2541             case QEMU_OPTION_bootp:
2542                 legacy_bootp_filename = optarg;
2543                 break;
2544             case QEMU_OPTION_redir:
2545                 if (net_slirp_redir(optarg) < 0)
2546                     exit(1);
2547                 break;
2548 #endif
2549             case QEMU_OPTION_bt:
2550                 add_device_config(DEV_BT, optarg);
2551                 break;
2552             case QEMU_OPTION_audio_help:
2553                 if (!(audio_available())) {
2554                     printf("Option %s not supported for this target\n", popt->name);
2555                     exit(1);
2556                 }
2557                 AUD_help ();
2558                 exit (0);
2559                 break;
2560             case QEMU_OPTION_soundhw:
2561                 if (!(audio_available())) {
2562                     printf("Option %s not supported for this target\n", popt->name);
2563                     exit(1);
2564                 }
2565                 select_soundhw (optarg);
2566                 break;
2567             case QEMU_OPTION_h:
2568                 help(0);
2569                 break;
2570             case QEMU_OPTION_version:
2571                 version();
2572                 exit(0);
2573                 break;
2574             case QEMU_OPTION_m: {
2575                 int64_t value;
2576                 char *end;
2577
2578                 value = strtosz(optarg, &end);
2579                 if (value < 0 || *end) {
2580                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2581                     exit(1);
2582                 }
2583
2584                 if (value != (uint64_t)(ram_addr_t)value) {
2585                     fprintf(stderr, "qemu: ram size too large\n");
2586                     exit(1);
2587                 }
2588                 ram_size = value;
2589                 break;
2590             }
2591             case QEMU_OPTION_mempath:
2592                 mem_path = optarg;
2593                 break;
2594 #ifdef MAP_POPULATE
2595             case QEMU_OPTION_mem_prealloc:
2596                 mem_prealloc = 1;
2597                 break;
2598 #endif
2599             case QEMU_OPTION_d:
2600                 log_mask = optarg;
2601                 break;
2602             case QEMU_OPTION_D:
2603                 log_file = optarg;
2604                 break;
2605             case QEMU_OPTION_s:
2606                 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2607                 break;
2608             case QEMU_OPTION_gdb:
2609                 gdbstub_dev = optarg;
2610                 break;
2611             case QEMU_OPTION_L:
2612                 data_dir = optarg;
2613                 break;
2614             case QEMU_OPTION_bios:
2615                 bios_name = optarg;
2616                 break;
2617             case QEMU_OPTION_singlestep:
2618                 singlestep = 1;
2619                 break;
2620             case QEMU_OPTION_S:
2621                 autostart = 0;
2622                 break;
2623             case QEMU_OPTION_k:
2624                 keyboard_layout = optarg;
2625                 break;
2626             case QEMU_OPTION_localtime:
2627                 rtc_utc = 0;
2628                 break;
2629             case QEMU_OPTION_vga:
2630                 vga_model = optarg;
2631                 break;
2632             case QEMU_OPTION_g:
2633                 {
2634                     const char *p;
2635                     int w, h, depth;
2636                     p = optarg;
2637                     w = strtol(p, (char **)&p, 10);
2638                     if (w <= 0) {
2639                     graphic_error:
2640                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2641                         exit(1);
2642                     }
2643                     if (*p != 'x')
2644                         goto graphic_error;
2645                     p++;
2646                     h = strtol(p, (char **)&p, 10);
2647                     if (h <= 0)
2648                         goto graphic_error;
2649                     if (*p == 'x') {
2650                         p++;
2651                         depth = strtol(p, (char **)&p, 10);
2652                         if (depth != 8 && depth != 15 && depth != 16 &&
2653                             depth != 24 && depth != 32)
2654                             goto graphic_error;
2655                     } else if (*p == '\0') {
2656                         depth = graphic_depth;
2657                     } else {
2658                         goto graphic_error;
2659                     }
2660
2661                     graphic_width = w;
2662                     graphic_height = h;
2663                     graphic_depth = depth;
2664                 }
2665                 break;
2666             case QEMU_OPTION_echr:
2667                 {
2668                     char *r;
2669                     term_escape_char = strtol(optarg, &r, 0);
2670                     if (r == optarg)
2671                         printf("Bad argument to echr\n");
2672                     break;
2673                 }
2674             case QEMU_OPTION_monitor:
2675                 monitor_parse(optarg, "readline");
2676                 default_monitor = 0;
2677                 break;
2678             case QEMU_OPTION_qmp:
2679                 monitor_parse(optarg, "control");
2680                 default_monitor = 0;
2681                 break;
2682             case QEMU_OPTION_mon:
2683                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2684                 if (!opts) {
2685                     exit(1);
2686                 }
2687                 default_monitor = 0;
2688                 break;
2689             case QEMU_OPTION_chardev:
2690                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2691                 if (!opts) {
2692                     exit(1);
2693                 }
2694                 break;
2695             case QEMU_OPTION_fsdev:
2696                 olist = qemu_find_opts("fsdev");
2697                 if (!olist) {
2698                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2699                     exit(1);
2700                 }
2701                 opts = qemu_opts_parse(olist, optarg, 1);
2702                 if (!opts) {
2703                     fprintf(stderr, "parse error: %s\n", optarg);
2704                     exit(1);
2705                 }
2706                 break;
2707             case QEMU_OPTION_virtfs: {
2708                 QemuOpts *fsdev;
2709                 QemuOpts *device;
2710                 const char *writeout, *sock_fd, *socket;
2711
2712                 olist = qemu_find_opts("virtfs");
2713                 if (!olist) {
2714                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2715                     exit(1);
2716                 }
2717                 opts = qemu_opts_parse(olist, optarg, 1);
2718                 if (!opts) {
2719                     fprintf(stderr, "parse error: %s\n", optarg);
2720                     exit(1);
2721                 }
2722
2723                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2724                     qemu_opt_get(opts, "mount_tag") == NULL) {
2725                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2726                     exit(1);
2727                 }
2728                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2729                                          qemu_opt_get(opts, "mount_tag"), 1);
2730                 if (!fsdev) {
2731                     fprintf(stderr, "duplicate fsdev id: %s\n",
2732                             qemu_opt_get(opts, "mount_tag"));
2733                     exit(1);
2734                 }
2735
2736                 writeout = qemu_opt_get(opts, "writeout");
2737                 if (writeout) {
2738 #ifdef CONFIG_SYNC_FILE_RANGE
2739                     qemu_opt_set(fsdev, "writeout", writeout);
2740 #else
2741                     fprintf(stderr, "writeout=immediate not supported on "
2742                             "this platform\n");
2743                     exit(1);
2744 #endif
2745                 }
2746                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2747                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2748                 qemu_opt_set(fsdev, "security_model",
2749                              qemu_opt_get(opts, "security_model"));
2750                 socket = qemu_opt_get(opts, "socket");
2751                 if (socket) {
2752                     qemu_opt_set(fsdev, "socket", socket);
2753                 }
2754                 sock_fd = qemu_opt_get(opts, "sock_fd");
2755                 if (sock_fd) {
2756                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2757                 }
2758
2759                 qemu_opt_set_bool(fsdev, "readonly",
2760                                 qemu_opt_get_bool(opts, "readonly", 0));
2761                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2762                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2763                 qemu_opt_set(device, "fsdev",
2764                              qemu_opt_get(opts, "mount_tag"));
2765                 qemu_opt_set(device, "mount_tag",
2766                              qemu_opt_get(opts, "mount_tag"));
2767                 break;
2768             }
2769             case QEMU_OPTION_virtfs_synth: {
2770                 QemuOpts *fsdev;
2771                 QemuOpts *device;
2772
2773                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2774                 if (!fsdev) {
2775                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2776                     exit(1);
2777                 }
2778                 qemu_opt_set(fsdev, "fsdriver", "synth");
2779
2780                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2781                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2782                 qemu_opt_set(device, "fsdev", "v_synth");
2783                 qemu_opt_set(device, "mount_tag", "v_synth");
2784                 break;
2785             }
2786             case QEMU_OPTION_serial:
2787                 add_device_config(DEV_SERIAL, optarg);
2788                 default_serial = 0;
2789                 if (strncmp(optarg, "mon:", 4) == 0) {
2790                     default_monitor = 0;
2791                 }
2792                 break;
2793             case QEMU_OPTION_watchdog:
2794                 if (watchdog) {
2795                     fprintf(stderr,
2796                             "qemu: only one watchdog option may be given\n");
2797                     return 1;
2798                 }
2799                 watchdog = optarg;
2800                 break;
2801             case QEMU_OPTION_watchdog_action:
2802                 if (select_watchdog_action(optarg) == -1) {
2803                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2804                     exit(1);
2805                 }
2806                 break;
2807             case QEMU_OPTION_virtiocon:
2808                 add_device_config(DEV_VIRTCON, optarg);
2809                 default_virtcon = 0;
2810                 if (strncmp(optarg, "mon:", 4) == 0) {
2811                     default_monitor = 0;
2812                 }
2813                 break;
2814             case QEMU_OPTION_parallel:
2815                 add_device_config(DEV_PARALLEL, optarg);
2816                 default_parallel = 0;
2817                 if (strncmp(optarg, "mon:", 4) == 0) {
2818                     default_monitor = 0;
2819                 }
2820                 break;
2821             case QEMU_OPTION_debugcon:
2822                 add_device_config(DEV_DEBUGCON, optarg);
2823                 break;
2824             case QEMU_OPTION_loadvm:
2825                 loadvm = optarg;
2826                 break;
2827             case QEMU_OPTION_full_screen:
2828                 full_screen = 1;
2829                 break;
2830 #ifdef CONFIG_SDL
2831             case QEMU_OPTION_no_frame:
2832                 no_frame = 1;
2833                 break;
2834             case QEMU_OPTION_alt_grab:
2835                 alt_grab = 1;
2836                 break;
2837             case QEMU_OPTION_ctrl_grab:
2838                 ctrl_grab = 1;
2839                 break;
2840             case QEMU_OPTION_no_quit:
2841                 no_quit = 1;
2842                 break;
2843             case QEMU_OPTION_sdl:
2844                 display_type = DT_SDL;
2845                 break;
2846 #else
2847             case QEMU_OPTION_no_frame:
2848             case QEMU_OPTION_alt_grab:
2849             case QEMU_OPTION_ctrl_grab:
2850             case QEMU_OPTION_no_quit:
2851             case QEMU_OPTION_sdl:
2852                 fprintf(stderr, "SDL support is disabled\n");
2853                 exit(1);
2854 #endif
2855             case QEMU_OPTION_pidfile:
2856                 pid_file = optarg;
2857                 break;
2858             case QEMU_OPTION_win2k_hack:
2859                 win2k_install_hack = 1;
2860                 break;
2861             case QEMU_OPTION_rtc_td_hack: {
2862                 static GlobalProperty slew_lost_ticks[] = {
2863                     {
2864                         .driver   = "mc146818rtc",
2865                         .property = "lost_tick_policy",
2866                         .value    = "slew",
2867                     },
2868                     { /* end of list */ }
2869                 };
2870
2871                 qdev_prop_register_global_list(slew_lost_ticks);
2872                 break;
2873             }
2874             case QEMU_OPTION_acpitable:
2875                 do_acpitable_option(optarg);
2876                 break;
2877             case QEMU_OPTION_smbios:
2878                 do_smbios_option(optarg);
2879                 break;
2880             case QEMU_OPTION_enable_kvm:
2881                 olist = qemu_find_opts("machine");
2882                 qemu_opts_parse(olist, "accel=kvm", 0);
2883                 break;
2884             case QEMU_OPTION_machine:
2885                 olist = qemu_find_opts("machine");
2886                 opts = qemu_opts_parse(olist, optarg, 1);
2887                 if (!opts) {
2888                     fprintf(stderr, "parse error: %s\n", optarg);
2889                     exit(1);
2890                 }
2891                 optarg = qemu_opt_get(opts, "type");
2892                 if (optarg) {
2893                     machine = machine_parse(optarg);
2894                 }
2895                 break;
2896             case QEMU_OPTION_usb:
2897                 usb_enabled = 1;
2898                 break;
2899             case QEMU_OPTION_usbdevice:
2900                 usb_enabled = 1;
2901                 add_device_config(DEV_USB, optarg);
2902                 break;
2903             case QEMU_OPTION_device:
2904                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2905                     exit(1);
2906                 }
2907                 break;
2908             case QEMU_OPTION_smp:
2909                 smp_parse(optarg);
2910                 if (smp_cpus < 1) {
2911                     fprintf(stderr, "Invalid number of CPUs\n");
2912                     exit(1);
2913                 }
2914                 if (max_cpus < smp_cpus) {
2915                     fprintf(stderr, "maxcpus must be equal to or greater than "
2916                             "smp\n");
2917                     exit(1);
2918                 }
2919                 if (max_cpus > 255) {
2920                     fprintf(stderr, "Unsupported number of maxcpus\n");
2921                     exit(1);
2922                 }
2923                 break;
2924             case QEMU_OPTION_vnc:
2925 #ifdef CONFIG_VNC
2926                 display_remote++;
2927                 vnc_display = optarg;
2928 #else
2929                 fprintf(stderr, "VNC support is disabled\n");
2930                 exit(1);
2931 #endif
2932                 break;
2933             case QEMU_OPTION_no_acpi:
2934                 acpi_enabled = 0;
2935                 break;
2936             case QEMU_OPTION_no_hpet:
2937                 no_hpet = 1;
2938                 break;
2939             case QEMU_OPTION_balloon:
2940                 if (balloon_parse(optarg) < 0) {
2941                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2942                     exit(1);
2943                 }
2944                 break;
2945             case QEMU_OPTION_no_reboot:
2946                 no_reboot = 1;
2947                 break;
2948             case QEMU_OPTION_no_shutdown:
2949                 no_shutdown = 1;
2950                 break;
2951             case QEMU_OPTION_show_cursor:
2952                 cursor_hide = 0;
2953                 break;
2954             case QEMU_OPTION_uuid:
2955                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2956                     fprintf(stderr, "Fail to parse UUID string."
2957                             " Wrong format.\n");
2958                     exit(1);
2959                 }
2960                 break;
2961             case QEMU_OPTION_option_rom:
2962                 if (nb_option_roms >= MAX_OPTION_ROMS) {
2963                     fprintf(stderr, "Too many option ROMs\n");
2964                     exit(1);
2965                 }
2966                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2967                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2968                 option_rom[nb_option_roms].bootindex =
2969                     qemu_opt_get_number(opts, "bootindex", -1);
2970                 if (!option_rom[nb_option_roms].name) {
2971                     fprintf(stderr, "Option ROM file is not specified\n");
2972                     exit(1);
2973                 }
2974                 nb_option_roms++;
2975                 break;
2976             case QEMU_OPTION_semihosting:
2977                 semihosting_enabled = 1;
2978                 break;
2979             case QEMU_OPTION_name:
2980                 qemu_name = g_strdup(optarg);
2981                  {
2982                      char *p = strchr(qemu_name, ',');
2983                      if (p != NULL) {
2984                         *p++ = 0;
2985                         if (strncmp(p, "process=", 8)) {
2986                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
2987                             exit(1);
2988                         }
2989                         p += 8;
2990                         os_set_proc_name(p);
2991                      }
2992                  }
2993                 break;
2994             case QEMU_OPTION_prom_env:
2995                 if (nb_prom_envs >= MAX_PROM_ENVS) {
2996                     fprintf(stderr, "Too many prom variables\n");
2997                     exit(1);
2998                 }
2999                 prom_envs[nb_prom_envs] = optarg;
3000                 nb_prom_envs++;
3001                 break;
3002             case QEMU_OPTION_old_param:
3003                 old_param = 1;
3004                 break;
3005             case QEMU_OPTION_clock:
3006                 configure_alarms(optarg);
3007                 break;
3008             case QEMU_OPTION_startdate:
3009                 configure_rtc_date_offset(optarg, 1);
3010                 break;
3011             case QEMU_OPTION_rtc:
3012                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3013                 if (!opts) {
3014                     exit(1);
3015                 }
3016                 configure_rtc(opts);
3017                 break;
3018             case QEMU_OPTION_tb_size:
3019                 tcg_tb_size = strtol(optarg, NULL, 0);
3020                 if (tcg_tb_size < 0) {
3021                     tcg_tb_size = 0;
3022                 }
3023                 break;
3024             case QEMU_OPTION_icount:
3025                 icount_option = optarg;
3026                 break;
3027             case QEMU_OPTION_incoming:
3028                 incoming = optarg;
3029                 break;
3030             case QEMU_OPTION_nodefaults:
3031                 default_serial = 0;
3032                 default_parallel = 0;
3033                 default_virtcon = 0;
3034                 default_monitor = 0;
3035                 default_net = 0;
3036                 default_floppy = 0;
3037                 default_cdrom = 0;
3038                 default_sdcard = 0;
3039                 vga_model = "none";
3040                 break;
3041             case QEMU_OPTION_xen_domid:
3042                 if (!(xen_available())) {
3043                     printf("Option %s not supported for this target\n", popt->name);
3044                     exit(1);
3045                 }
3046                 xen_domid = atoi(optarg);
3047                 break;
3048             case QEMU_OPTION_xen_create:
3049                 if (!(xen_available())) {
3050                     printf("Option %s not supported for this target\n", popt->name);
3051                     exit(1);
3052                 }
3053                 xen_mode = XEN_CREATE;
3054                 break;
3055             case QEMU_OPTION_xen_attach:
3056                 if (!(xen_available())) {
3057                     printf("Option %s not supported for this target\n", popt->name);
3058                     exit(1);
3059                 }
3060                 xen_mode = XEN_ATTACH;
3061                 break;
3062             case QEMU_OPTION_trace:
3063             {
3064                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3065                 if (!opts) {
3066                     exit(1);
3067                 }
3068                 trace_events = qemu_opt_get(opts, "events");
3069                 trace_file = qemu_opt_get(opts, "file");
3070                 break;
3071             }
3072             case QEMU_OPTION_readconfig:
3073                 {
3074                     int ret = qemu_read_config_file(optarg);
3075                     if (ret < 0) {
3076                         fprintf(stderr, "read config %s: %s\n", optarg,
3077                             strerror(-ret));
3078                         exit(1);
3079                     }
3080                     break;
3081                 }
3082             case QEMU_OPTION_spice:
3083                 olist = qemu_find_opts("spice");
3084                 if (!olist) {
3085                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3086                     exit(1);
3087                 }
3088                 opts = qemu_opts_parse(olist, optarg, 0);
3089                 if (!opts) {
3090                     fprintf(stderr, "parse error: %s\n", optarg);
3091                     exit(1);
3092                 }
3093                 break;
3094             case QEMU_OPTION_writeconfig:
3095                 {
3096                     FILE *fp;
3097                     if (strcmp(optarg, "-") == 0) {
3098                         fp = stdout;
3099                     } else {
3100                         fp = fopen(optarg, "w");
3101                         if (fp == NULL) {
3102                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3103                             exit(1);
3104                         }
3105                     }
3106                     qemu_config_write(fp);
3107                     fclose(fp);
3108                     break;
3109                 }
3110             default:
3111                 os_parse_cmd_args(popt->index, optarg);
3112             }
3113         }
3114     }
3115     loc_set_none();
3116
3117     /* Open the logfile at this point, if necessary. We can't open the logfile
3118      * when encountering either of the logging options (-d or -D) because the
3119      * other one may be encountered later on the command line, changing the
3120      * location or level of logging.
3121      */
3122     if (log_mask) {
3123         if (log_file) {
3124             set_cpu_log_filename(log_file);
3125         }
3126         set_cpu_log(log_mask);
3127     }
3128
3129     if (!trace_backend_init(trace_events, trace_file)) {
3130         exit(1);
3131     }
3132
3133     /* If no data_dir is specified then try to find it relative to the
3134        executable path.  */
3135     if (!data_dir) {
3136         data_dir = os_find_datadir(argv[0]);
3137     }
3138     /* If all else fails use the install path specified when building. */
3139     if (!data_dir) {
3140         data_dir = CONFIG_QEMU_DATADIR;
3141     }
3142
3143     if (machine == NULL) {
3144         fprintf(stderr, "No machine found.\n");
3145         exit(1);
3146     }
3147
3148     /*
3149      * Default to max_cpus = smp_cpus, in case the user doesn't
3150      * specify a max_cpus value.
3151      */
3152     if (!max_cpus)
3153         max_cpus = smp_cpus;
3154
3155     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3156     if (smp_cpus > machine->max_cpus) {
3157         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3158                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3159                 machine->max_cpus);
3160         exit(1);
3161     }
3162
3163     /*
3164      * Get the default machine options from the machine if it is not already
3165      * specified either by the configuration file or by the command line.
3166      */
3167     if (machine->default_machine_opts) {
3168         qemu_opts_set_defaults(qemu_find_opts("machine"),
3169                                machine->default_machine_opts, 0);
3170     }
3171
3172     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3173     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3174
3175     if (machine->no_serial) {
3176         default_serial = 0;
3177     }
3178     if (machine->no_parallel) {
3179         default_parallel = 0;
3180     }
3181     if (!machine->use_virtcon) {
3182         default_virtcon = 0;
3183     }
3184     if (machine->no_floppy) {
3185         default_floppy = 0;
3186     }
3187     if (machine->no_cdrom) {
3188         default_cdrom = 0;
3189     }
3190     if (machine->no_sdcard) {
3191         default_sdcard = 0;
3192     }
3193
3194     if (display_type == DT_NOGRAPHIC) {
3195         if (default_parallel)
3196             add_device_config(DEV_PARALLEL, "null");
3197         if (default_serial && default_monitor) {
3198             add_device_config(DEV_SERIAL, "mon:stdio");
3199         } else if (default_virtcon && default_monitor) {
3200             add_device_config(DEV_VIRTCON, "mon:stdio");
3201         } else {
3202             if (default_serial)
3203                 add_device_config(DEV_SERIAL, "stdio");
3204             if (default_virtcon)
3205                 add_device_config(DEV_VIRTCON, "stdio");
3206             if (default_monitor)
3207                 monitor_parse("stdio", "readline");
3208         }
3209     } else {
3210         if (default_serial)
3211             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3212         if (default_parallel)
3213             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3214         if (default_monitor)
3215             monitor_parse("vc:80Cx24C", "readline");
3216         if (default_virtcon)
3217             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3218     }
3219
3220     socket_init();
3221
3222     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3223         exit(1);
3224 #ifdef CONFIG_VIRTFS
3225     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3226         exit(1);
3227     }
3228 #endif
3229
3230     os_daemonize();
3231
3232     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3233         os_pidfile_error();
3234         exit(1);
3235     }
3236
3237     /* init the memory */
3238     if (ram_size == 0) {
3239         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3240     }
3241
3242     configure_accelerator();
3243
3244     qemu_init_cpu_loop();
3245     if (qemu_init_main_loop()) {
3246         fprintf(stderr, "qemu_init_main_loop failed\n");
3247         exit(1);
3248     }
3249
3250     kernel_filename = qemu_opt_get(qemu_opts_find(qemu_find_opts("machine"),
3251                                                   0), "kernel");
3252     initrd_filename = qemu_opt_get(qemu_opts_find(qemu_find_opts("machine"),
3253                                                   0), "initrd");
3254     kernel_cmdline = qemu_opt_get(qemu_opts_find(qemu_find_opts("machine"),
3255                                                  0), "append");
3256     if (!kernel_cmdline) {
3257         kernel_cmdline = "";
3258     }
3259
3260     linux_boot = (kernel_filename != NULL);
3261
3262     if (!linux_boot && *kernel_cmdline != '\0') {
3263         fprintf(stderr, "-append only allowed with -kernel option\n");
3264         exit(1);
3265     }
3266
3267     if (!linux_boot && initrd_filename != NULL) {
3268         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3269         exit(1);
3270     }
3271
3272     os_set_line_buffering();
3273
3274     if (init_timer_alarm() < 0) {
3275         fprintf(stderr, "could not initialize alarm timer\n");
3276         exit(1);
3277     }
3278
3279     if (icount_option && (kvm_enabled() || xen_enabled())) {
3280         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3281         exit(1);
3282     }
3283     configure_icount(icount_option);
3284
3285     if (net_init_clients() < 0) {
3286         exit(1);
3287     }
3288
3289     /* init the bluetooth world */
3290     if (foreach_device_config(DEV_BT, bt_parse))
3291         exit(1);
3292
3293     if (!xen_enabled()) {
3294         /* On 32-bit hosts, QEMU is limited by virtual address space */
3295         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3296             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3297             exit(1);
3298         }
3299     }
3300
3301     cpu_exec_init_all();
3302
3303     bdrv_init_with_whitelist();
3304
3305     blk_mig_init();
3306
3307     /* open the virtual block devices */
3308     if (snapshot)
3309         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3310     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3311         exit(1);
3312
3313     default_drive(default_cdrom, snapshot, machine->use_scsi,
3314                   IF_DEFAULT, 2, CDROM_OPTS);
3315     default_drive(default_floppy, snapshot, machine->use_scsi,
3316                   IF_FLOPPY, 0, FD_OPTS);
3317     default_drive(default_sdcard, snapshot, machine->use_scsi,
3318                   IF_SD, 0, SD_OPTS);
3319
3320     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3321                          ram_load, NULL);
3322
3323     if (nb_numa_nodes > 0) {
3324         int i;
3325
3326         if (nb_numa_nodes > MAX_NODES) {
3327             nb_numa_nodes = MAX_NODES;
3328         }
3329
3330         /* If no memory size if given for any node, assume the default case
3331          * and distribute the available memory equally across all nodes
3332          */
3333         for (i = 0; i < nb_numa_nodes; i++) {
3334             if (node_mem[i] != 0)
3335                 break;
3336         }
3337         if (i == nb_numa_nodes) {
3338             uint64_t usedmem = 0;
3339
3340             /* On Linux, the each node's border has to be 8MB aligned,
3341              * the final node gets the rest.
3342              */
3343             for (i = 0; i < nb_numa_nodes - 1; i++) {
3344                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3345                 usedmem += node_mem[i];
3346             }
3347             node_mem[i] = ram_size - usedmem;
3348         }
3349
3350         for (i = 0; i < nb_numa_nodes; i++) {
3351             if (node_cpumask[i] != 0)
3352                 break;
3353         }
3354         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3355          * must cope with this anyway, because there are BIOSes out there in
3356          * real machines which also use this scheme.
3357          */
3358         if (i == nb_numa_nodes) {
3359             for (i = 0; i < max_cpus; i++) {
3360                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3361             }
3362         }
3363     }
3364
3365     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3366         exit(1);
3367     }
3368
3369     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3370         exit(1);
3371     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3372         exit(1);
3373     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3374         exit(1);
3375     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3376         exit(1);
3377
3378     module_call_init(MODULE_INIT_QOM);
3379
3380     /* must be after qdev registration but before machine init */
3381     if (vga_model) {
3382         select_vgahw(vga_model);
3383     } else if (cirrus_vga_available()) {
3384         select_vgahw("cirrus");
3385     } else {
3386         select_vgahw("none");
3387     }
3388
3389     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3390         exit(0);
3391
3392     if (watchdog) {
3393         i = select_watchdog(watchdog);
3394         if (i > 0)
3395             exit (i == 1 ? 1 : 0);
3396     }
3397
3398     if (machine->compat_props) {
3399         qdev_prop_register_global_list(machine->compat_props);
3400     }
3401     qemu_add_globals();
3402
3403     qdev_machine_init();
3404
3405     machine->init(ram_size, boot_devices,
3406                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3407
3408     cpu_synchronize_all_post_init();
3409
3410     set_numa_modes();
3411
3412     current_machine = machine;
3413
3414     /* init USB devices */
3415     if (usb_enabled) {
3416         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3417             exit(1);
3418     }
3419
3420     /* init generic devices */
3421     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3422         exit(1);
3423
3424     net_check_clients();
3425
3426     /* just use the first displaystate for the moment */
3427     ds = get_displaystate();
3428
3429     if (using_spice)
3430         display_remote++;
3431     if (display_type == DT_DEFAULT && !display_remote) {
3432 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3433         display_type = DT_SDL;
3434 #elif defined(CONFIG_VNC)
3435         vnc_display = "localhost:0,to=99";
3436         show_vnc_port = 1;
3437 #else
3438         display_type = DT_NONE;
3439 #endif
3440     }
3441
3442
3443     /* init local displays */
3444     switch (display_type) {
3445     case DT_NOGRAPHIC:
3446         break;
3447 #if defined(CONFIG_CURSES)
3448     case DT_CURSES:
3449         curses_display_init(ds, full_screen);
3450         break;
3451 #endif
3452 #if defined(CONFIG_SDL)
3453     case DT_SDL:
3454         sdl_display_init(ds, full_screen, no_frame);
3455         break;
3456 #elif defined(CONFIG_COCOA)
3457     case DT_SDL:
3458         cocoa_display_init(ds, full_screen);
3459         break;
3460 #endif
3461     default:
3462         break;
3463     }
3464
3465     /* must be after terminal init, SDL library changes signal handlers */
3466     os_setup_signal_handling();
3467
3468 #ifdef CONFIG_VNC
3469     /* init remote displays */
3470     if (vnc_display) {
3471         vnc_display_init(ds);
3472         if (vnc_display_open(ds, vnc_display) < 0)
3473             exit(1);
3474
3475         if (show_vnc_port) {
3476             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3477         }
3478     }
3479 #endif
3480 #ifdef CONFIG_SPICE
3481     if (using_spice && !qxl_enabled) {
3482         qemu_spice_display_init(ds);
3483     }
3484 #endif
3485
3486     /* display setup */
3487     dpy_resize(ds);
3488     dcl = ds->listeners;
3489     while (dcl != NULL) {
3490         if (dcl->dpy_refresh != NULL) {
3491             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3492             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3493             break;
3494         }
3495         dcl = dcl->next;
3496     }
3497     text_consoles_set_display(ds);
3498
3499     if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3500         fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3501                 gdbstub_dev);
3502         exit(1);
3503     }
3504
3505     qdev_machine_creation_done();
3506
3507     if (rom_load_all() != 0) {
3508         fprintf(stderr, "rom loading failed\n");
3509         exit(1);
3510     }
3511
3512     /* TODO: once all bus devices are qdevified, this should be done
3513      * when bus is created by qdev.c */
3514     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3515     qemu_run_machine_init_done_notifiers();
3516
3517     qemu_system_reset(VMRESET_SILENT);
3518     if (loadvm) {
3519         if (load_vmstate(loadvm) < 0) {
3520             autostart = 0;
3521         }
3522     }
3523
3524     if (incoming) {
3525         runstate_set(RUN_STATE_INMIGRATE);
3526         int ret = qemu_start_incoming_migration(incoming);
3527         if (ret < 0) {
3528             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3529                     incoming, ret);
3530             exit(ret);
3531         }
3532     } else if (autostart) {
3533         vm_start();
3534     }
3535
3536     os_setup_post();
3537
3538     resume_all_vcpus();
3539     main_loop();
3540     bdrv_close_all();
3541     pause_all_vcpus();
3542     net_cleanup();
3543     res_free();
3544
3545     return 0;
3546 }