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 #include "qtest.h"
 156
 157 #include "disas.h"
 158
 159 #include "qemu_socket.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu-queue.h"
 166 #include "cpus.h"
 167 #include "arch_init.h"
 168
 169 #include "ui/qemu-spice.h"
 170
 171 //#define DEBUG_NET
 172 //#define DEBUG_SLIRP
 173
 174 #define DEFAULT_RAM_SIZE 128
 175
 176 #define MAX_VIRTIO_CONSOLES 1
 177
 178 static const char *data_dir;
 179 const char *bios_name = NULL;
 180 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 181 DisplayType display_type = DT_DEFAULT;
 182 int display_remote = 0;
 183 const char* keyboard_layout = NULL;
 184 ram_addr_t ram_size;
 185 const char *mem_path = NULL;
 186 #ifdef MAP_POPULATE
 187 int mem_prealloc = 0; /* force preallocation of physical target memory */
 188 #endif
 189 int nb_nics;
 190 NICInfo nd_table[MAX_NICS];
 191 int autostart;
 192 static int rtc_utc = 1;
 193 static int rtc_date_offset = -1; /* -1 means no change */
 194 QEMUClock *rtc_clock;
 195 int vga_interface_type = VGA_NONE;
 196 static int full_screen = 0;
 197 #ifdef CONFIG_SDL
 198 static int no_frame = 0;
 199 #endif
 200 int no_quit = 0;
 201 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 202 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 203 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 204 int win2k_install_hack = 0;
 205 int usb_enabled = 0;
 206 int singlestep = 0;
 207 int smp_cpus = 1;
 208 int max_cpus = 0;
 209 int smp_cores = 1;
 210 int smp_threads = 1;
 211 #ifdef CONFIG_VNC
 212 const char *vnc_display;
 213 #endif
 214 int acpi_enabled = 1;
 215 int no_hpet = 0;
 216 int fd_bootchk = 1;
 217 int no_reboot = 0;
 218 int no_shutdown = 0;
 219 int cursor_hide = 1;
 220 int graphic_rotate = 0;
 221 const char *watchdog;
 222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 223 int nb_option_roms;
 224 int semihosting_enabled = 0;
 225 int old_param = 0;
 226 const char *qemu_name;
 227 int alt_grab = 0;
 228 int ctrl_grab = 0;
 229 unsigned int nb_prom_envs = 0;
 230 const char *prom_envs[MAX_PROM_ENVS];
 231 int boot_menu;
 232 uint8_t *boot_splash_filedata;
 233 int boot_splash_filedata_size;
 234 uint8_t qemu_extra_params_fw[2];
 235
 236 typedef struct FWBootEntry FWBootEntry;
 237
 238 struct FWBootEntry {
 239     QTAILQ_ENTRY(FWBootEntry) link;
 240     int32_t bootindex;
 241     DeviceState *dev;
 242     char *suffix;
 243 };
 244
 245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 246
 247 int nb_numa_nodes;
 248 uint64_t node_mem[MAX_NODES];
 249 uint64_t node_cpumask[MAX_NODES];
 250
 251 uint8_t qemu_uuid[16];
 252
 253 static QEMUBootSetHandler *boot_set_handler;
 254 static void *boot_set_opaque;
 255
 256 static NotifierList exit_notifiers =
 257     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 258
 259 static NotifierList machine_init_done_notifiers =
 260     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 261
 262 static int tcg_allowed = 1;
 263 int kvm_allowed = 0;
 264 int xen_allowed = 0;
 265 uint32_t xen_domid;
 266 enum xen_mode xen_mode = XEN_EMULATE;
 267 static int tcg_tb_size;
 268
 269 static int default_serial = 1;
 270 static int default_parallel = 1;
 271 static int default_virtcon = 1;
 272 static int default_monitor = 1;
 273 static int default_floppy = 1;
 274 static int default_cdrom = 1;
 275 static int default_sdcard = 1;
 276 static int default_vga = 1;
 277
 278 static struct {
 279     const char *driver;
 280     int *flag;
 281 } default_list[] = {
 282     { .driver = "isa-serial",           .flag = &default_serial    },
 283     { .driver = "isa-parallel",         .flag = &default_parallel  },
 284     { .driver = "isa-fdc",              .flag = &default_floppy    },
 285     { .driver = "ide-cd",               .flag = &default_cdrom     },
 286     { .driver = "ide-hd",               .flag = &default_cdrom     },
 287     { .driver = "ide-drive",            .flag = &default_cdrom     },
 288     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 289     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 290     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 291     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 292     { .driver = "VGA",                  .flag = &default_vga       },
 293     { .driver = "isa-vga",              .flag = &default_vga       },
 294     { .driver = "cirrus-vga",           .flag = &default_vga       },
 295     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 296     { .driver = "vmware-svga",          .flag = &default_vga       },
 297     { .driver = "qxl-vga",              .flag = &default_vga       },
 298 };
 299
 300 static void res_free(void)
 301 {
 302     if (boot_splash_filedata != NULL) {
 303         g_free(boot_splash_filedata);
 304         boot_splash_filedata = NULL;
 305     }
 306 }
 307
 308 static int default_driver_check(QemuOpts *opts, void *opaque)
 309 {
 310     const char *driver = qemu_opt_get(opts, "driver");
 311     int i;
 312
 313     if (!driver)
 314         return 0;
 315     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 316         if (strcmp(default_list[i].driver, driver) != 0)
 317             continue;
 318         *(default_list[i].flag) = 0;
 319     }
 320     return 0;
 321 }
 322
 323 /***********************************************************/
 324 /* QEMU state */
 325
 326 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 327
 328 typedef struct {
 329     RunState from;
 330     RunState to;
 331 } RunStateTransition;
 332
 333 static const RunStateTransition runstate_transitions_def[] = {
 334     /*     from      ->     to      */
 335     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 336
 337     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 338     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 339
 340     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 341     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 342
 343     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 344     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 345
 346     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 347     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 348
 349     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 350     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 351
 352     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 353     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 354     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 355
 356     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 357     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 358
 359     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 360
 361     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 362     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 363     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 364     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 365     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 366     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 367     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 368     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 369     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 370
 371     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 372
 373     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 374     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 375
 376     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 377     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 378     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 379     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 380
 381     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 382     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 383
 384     { RUN_STATE_MAX, RUN_STATE_MAX },
 385 };
 386
 387 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 388
 389 bool runstate_check(RunState state)
 390 {
 391     return current_run_state == state;
 392 }
 393
 394 void runstate_init(void)
 395 {
 396     const RunStateTransition *p;
 397
 398     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 399
 400     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 401         runstate_valid_transitions[p->from][p->to] = true;
 402     }
 403 }
 404
 405 /* This function will abort() on invalid state transitions */
 406 void runstate_set(RunState new_state)
 407 {
 408     assert(new_state < RUN_STATE_MAX);
 409
 410     if (!runstate_valid_transitions[current_run_state][new_state]) {
 411         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 412                 RunState_lookup[current_run_state],
 413                 RunState_lookup[new_state]);
 414         abort();
 415     }
 416
 417     current_run_state = new_state;
 418 }
 419
 420 int runstate_is_running(void)
 421 {
 422     return runstate_check(RUN_STATE_RUNNING);
 423 }
 424
 425 StatusInfo *qmp_query_status(Error **errp)
 426 {
 427     StatusInfo *info = g_malloc0(sizeof(*info));
 428
 429     info->running = runstate_is_running();
 430     info->singlestep = singlestep;
 431     info->status = current_run_state;
 432
 433     return info;
 434 }
 435
 436 /***********************************************************/
 437 /* real time host monotonic timer */
 438
 439 /***********************************************************/
 440 /* host time/date access */
 441 void qemu_get_timedate(struct tm *tm, int offset)
 442 {
 443     time_t ti;
 444     struct tm *ret;
 445
 446     time(&ti);
 447     ti += offset;
 448     if (rtc_date_offset == -1) {
 449         if (rtc_utc)
 450             ret = gmtime(&ti);
 451         else
 452             ret = localtime(&ti);
 453     } else {
 454         ti -= rtc_date_offset;
 455         ret = gmtime(&ti);
 456     }
 457
 458     memcpy(tm, ret, sizeof(struct tm));
 459 }
 460
 461 int qemu_timedate_diff(struct tm *tm)
 462 {
 463     time_t seconds;
 464
 465     if (rtc_date_offset == -1)
 466         if (rtc_utc)
 467             seconds = mktimegm(tm);
 468         else {
 469             struct tm tmp = *tm;
 470             tmp.tm_isdst = -1; /* use timezone to figure it out */
 471             seconds = mktime(&tmp);
 472         }
 473     else
 474         seconds = mktimegm(tm) + rtc_date_offset;
 475
 476     return seconds - time(NULL);
 477 }
 478
 479 void rtc_change_mon_event(struct tm *tm)
 480 {
 481     QObject *data;
 482
 483     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 484     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 485     qobject_decref(data);
 486 }
 487
 488 static void configure_rtc_date_offset(const char *startdate, int legacy)
 489 {
 490     time_t rtc_start_date;
 491     struct tm tm;
 492
 493     if (!strcmp(startdate, "now") && legacy) {
 494         rtc_date_offset = -1;
 495     } else {
 496         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 497                    &tm.tm_year,
 498                    &tm.tm_mon,
 499                    &tm.tm_mday,
 500                    &tm.tm_hour,
 501                    &tm.tm_min,
 502                    &tm.tm_sec) == 6) {
 503             /* OK */
 504         } else if (sscanf(startdate, "%d-%d-%d",
 505                           &tm.tm_year,
 506                           &tm.tm_mon,
 507                           &tm.tm_mday) == 3) {
 508             tm.tm_hour = 0;
 509             tm.tm_min = 0;
 510             tm.tm_sec = 0;
 511         } else {
 512             goto date_fail;
 513         }
 514         tm.tm_year -= 1900;
 515         tm.tm_mon--;
 516         rtc_start_date = mktimegm(&tm);
 517         if (rtc_start_date == -1) {
 518         date_fail:
 519             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 520                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 521             exit(1);
 522         }
 523         rtc_date_offset = time(NULL) - rtc_start_date;
 524     }
 525 }
 526
 527 static void configure_rtc(QemuOpts *opts)
 528 {
 529     const char *value;
 530
 531     value = qemu_opt_get(opts, "base");
 532     if (value) {
 533         if (!strcmp(value, "utc")) {
 534             rtc_utc = 1;
 535         } else if (!strcmp(value, "localtime")) {
 536             rtc_utc = 0;
 537         } else {
 538             configure_rtc_date_offset(value, 0);
 539         }
 540     }
 541     value = qemu_opt_get(opts, "clock");
 542     if (value) {
 543         if (!strcmp(value, "host")) {
 544             rtc_clock = host_clock;
 545         } else if (!strcmp(value, "rt")) {
 546             rtc_clock = rt_clock;
 547         } else if (!strcmp(value, "vm")) {
 548             rtc_clock = vm_clock;
 549         } else {
 550             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 551             exit(1);
 552         }
 553     }
 554     value = qemu_opt_get(opts, "driftfix");
 555     if (value) {
 556         if (!strcmp(value, "slew")) {
 557             static GlobalProperty slew_lost_ticks[] = {
 558                 {
 559                     .driver   = "mc146818rtc",
 560                     .property = "lost_tick_policy",
 561                     .value    = "slew",
 562                 },
 563                 { /* end of list */ }
 564             };
 565
 566             qdev_prop_register_global_list(slew_lost_ticks);
 567         } else if (!strcmp(value, "none")) {
 568             /* discard is default */
 569         } else {
 570             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 571             exit(1);
 572         }
 573     }
 574 }
 575
 576 /***********************************************************/
 577 /* Bluetooth support */
 578 static int nb_hcis;
 579 static int cur_hci;
 580 static struct HCIInfo *hci_table[MAX_NICS];
 581
 582 static struct bt_vlan_s {
 583     struct bt_scatternet_s net;
 584     int id;
 585     struct bt_vlan_s *next;
 586 } *first_bt_vlan;
 587
 588 /* find or alloc a new bluetooth "VLAN" */
 589 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 590 {
 591     struct bt_vlan_s **pvlan, *vlan;
 592     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 593         if (vlan->id == id)
 594             return &vlan->net;
 595     }
 596     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 597     vlan->id = id;
 598     pvlan = &first_bt_vlan;
 599     while (*pvlan != NULL)
 600         pvlan = &(*pvlan)->next;
 601     *pvlan = vlan;
 602     return &vlan->net;
 603 }
 604
 605 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 606 {
 607 }
 608
 609 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 610 {
 611     return -ENOTSUP;
 612 }
 613
 614 static struct HCIInfo null_hci = {
 615     .cmd_send = null_hci_send,
 616     .sco_send = null_hci_send,
 617     .acl_send = null_hci_send,
 618     .bdaddr_set = null_hci_addr_set,
 619 };
 620
 621 struct HCIInfo *qemu_next_hci(void)
 622 {
 623     if (cur_hci == nb_hcis)
 624         return &null_hci;
 625
 626     return hci_table[cur_hci++];
 627 }
 628
 629 static struct HCIInfo *hci_init(const char *str)
 630 {
 631     char *endp;
 632     struct bt_scatternet_s *vlan = 0;
 633
 634     if (!strcmp(str, "null"))
 635         /* null */
 636         return &null_hci;
 637     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 638         /* host[:hciN] */
 639         return bt_host_hci(str[4] ? str + 5 : "hci0");
 640     else if (!strncmp(str, "hci", 3)) {
 641         /* hci[,vlan=n] */
 642         if (str[3]) {
 643             if (!strncmp(str + 3, ",vlan=", 6)) {
 644                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 645                 if (*endp)
 646                     vlan = 0;
 647             }
 648         } else
 649             vlan = qemu_find_bt_vlan(0);
 650         if (vlan)
 651            return bt_new_hci(vlan);
 652     }
 653
 654     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 655
 656     return 0;
 657 }
 658
 659 static int bt_hci_parse(const char *str)
 660 {
 661     struct HCIInfo *hci;
 662     bdaddr_t bdaddr;
 663
 664     if (nb_hcis >= MAX_NICS) {
 665         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 666         return -1;
 667     }
 668
 669     hci = hci_init(str);
 670     if (!hci)
 671         return -1;
 672
 673     bdaddr.b[0] = 0x52;
 674     bdaddr.b[1] = 0x54;
 675     bdaddr.b[2] = 0x00;
 676     bdaddr.b[3] = 0x12;
 677     bdaddr.b[4] = 0x34;
 678     bdaddr.b[5] = 0x56 + nb_hcis;
 679     hci->bdaddr_set(hci, bdaddr.b);
 680
 681     hci_table[nb_hcis++] = hci;
 682
 683     return 0;
 684 }
 685
 686 static void bt_vhci_add(int vlan_id)
 687 {
 688     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 689
 690     if (!vlan->slave)
 691         fprintf(stderr, "qemu: warning: adding a VHCI to "
 692                         "an empty scatternet %i\n", vlan_id);
 693
 694     bt_vhci_init(bt_new_hci(vlan));
 695 }
 696
 697 static struct bt_device_s *bt_device_add(const char *opt)
 698 {
 699     struct bt_scatternet_s *vlan;
 700     int vlan_id = 0;
 701     char *endp = strstr(opt, ",vlan=");
 702     int len = (endp ? endp - opt : strlen(opt)) + 1;
 703     char devname[10];
 704
 705     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 706
 707     if (endp) {
 708         vlan_id = strtol(endp + 6, &endp, 0);
 709         if (*endp) {
 710             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 711             return 0;
 712         }
 713     }
 714
 715     vlan = qemu_find_bt_vlan(vlan_id);
 716
 717     if (!vlan->slave)
 718         fprintf(stderr, "qemu: warning: adding a slave device to "
 719                         "an empty scatternet %i\n", vlan_id);
 720
 721     if (!strcmp(devname, "keyboard"))
 722         return bt_keyboard_init(vlan);
 723
 724     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 725     return 0;
 726 }
 727
 728 static int bt_parse(const char *opt)
 729 {
 730     const char *endp, *p;
 731     int vlan;
 732
 733     if (strstart(opt, "hci", &endp)) {
 734         if (!*endp || *endp == ',') {
 735             if (*endp)
 736                 if (!strstart(endp, ",vlan=", 0))
 737                     opt = endp + 1;
 738
 739             return bt_hci_parse(opt);
 740        }
 741     } else if (strstart(opt, "vhci", &endp)) {
 742         if (!*endp || *endp == ',') {
 743             if (*endp) {
 744                 if (strstart(endp, ",vlan=", &p)) {
 745                     vlan = strtol(p, (char **) &endp, 0);
 746                     if (*endp) {
 747                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 748                         return 1;
 749                     }
 750                 } else {
 751                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 752                     return 1;
 753                 }
 754             } else
 755                 vlan = 0;
 756
 757             bt_vhci_add(vlan);
 758             return 0;
 759         }
 760     } else if (strstart(opt, "device:", &endp))
 761         return !bt_device_add(endp);
 762
 763     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 764     return 1;
 765 }
 766
 767 /***********************************************************/
 768 /* QEMU Block devices */
 769
 770 #define HD_OPTS "media=disk"
 771 #define CDROM_OPTS "media=cdrom"
 772 #define FD_OPTS ""
 773 #define PFLASH_OPTS ""
 774 #define MTD_OPTS ""
 775 #define SD_OPTS ""
 776
 777 static int drive_init_func(QemuOpts *opts, void *opaque)
 778 {
 779     int *use_scsi = opaque;
 780
 781     return drive_init(opts, *use_scsi) == NULL;
 782 }
 783
 784 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 785 {
 786     if (NULL == qemu_opt_get(opts, "snapshot")) {
 787         qemu_opt_set(opts, "snapshot", "on");
 788     }
 789     return 0;
 790 }
 791
 792 static void default_drive(int enable, int snapshot, int use_scsi,
 793                           BlockInterfaceType type, int index,
 794                           const char *optstr)
 795 {
 796     QemuOpts *opts;
 797
 798     if (type == IF_DEFAULT) {
 799         type = use_scsi ? IF_SCSI : IF_IDE;
 800     }
 801
 802     if (!enable || drive_get_by_index(type, index)) {
 803         return;
 804     }
 805
 806     opts = drive_add(type, index, NULL, optstr);
 807     if (snapshot) {
 808         drive_enable_snapshot(opts, NULL);
 809     }
 810     if (!drive_init(opts, use_scsi)) {
 811         exit(1);
 812     }
 813 }
 814
 815 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 816 {
 817     boot_set_handler = func;
 818     boot_set_opaque = opaque;
 819 }
 820
 821 int qemu_boot_set(const char *boot_devices)
 822 {
 823     if (!boot_set_handler) {
 824         return -EINVAL;
 825     }
 826     return boot_set_handler(boot_set_opaque, boot_devices);
 827 }
 828
 829 static void validate_bootdevices(char *devices)
 830 {
 831     /* We just do some generic consistency checks */
 832     const char *p;
 833     int bitmap = 0;
 834
 835     for (p = devices; *p != '\0'; p++) {
 836         /* Allowed boot devices are:
 837          * a-b: floppy disk drives
 838          * c-f: IDE disk drives
 839          * g-m: machine implementation dependent drives
 840          * n-p: network devices
 841          * It's up to each machine implementation to check if the given boot
 842          * devices match the actual hardware implementation and firmware
 843          * features.
 844          */
 845         if (*p < 'a' || *p > 'p') {
 846             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 847             exit(1);
 848         }
 849         if (bitmap & (1 << (*p - 'a'))) {
 850             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 851             exit(1);
 852         }
 853         bitmap |= 1 << (*p - 'a');
 854     }
 855 }
 856
 857 static void restore_boot_devices(void *opaque)
 858 {
 859     char *standard_boot_devices = opaque;
 860     static int first = 1;
 861
 862     /* Restore boot order and remove ourselves after the first boot */
 863     if (first) {
 864         first = 0;
 865         return;
 866     }
 867
 868     qemu_boot_set(standard_boot_devices);
 869
 870     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 871     g_free(standard_boot_devices);
 872 }
 873
 874 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 875                           const char *suffix)
 876 {
 877     FWBootEntry *node, *i;
 878
 879     if (bootindex < 0) {
 880         return;
 881     }
 882
 883     assert(dev != NULL || suffix != NULL);
 884
 885     node = g_malloc0(sizeof(FWBootEntry));
 886     node->bootindex = bootindex;
 887     node->suffix = suffix ? g_strdup(suffix) : NULL;
 888     node->dev = dev;
 889
 890     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 891         if (i->bootindex == bootindex) {
 892             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 893             exit(1);
 894         } else if (i->bootindex < bootindex) {
 895             continue;
 896         }
 897         QTAILQ_INSERT_BEFORE(i, node, link);
 898         return;
 899     }
 900     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 901 }
 902
 903 /*
 904  * This function returns null terminated string that consist of new line
 905  * separated device paths.
 906  *
 907  * memory pointed by "size" is assigned total length of the array in bytes
 908  *
 909  */
 910 char *get_boot_devices_list(uint32_t *size)
 911 {
 912     FWBootEntry *i;
 913     uint32_t total = 0;
 914     char *list = NULL;
 915
 916     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 917         char *devpath = NULL, *bootpath;
 918         int len;
 919
 920         if (i->dev) {
 921             devpath = qdev_get_fw_dev_path(i->dev);
 922             assert(devpath);
 923         }
 924
 925         if (i->suffix && devpath) {
 926             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 927
 928             bootpath = g_malloc(bootpathlen);
 929             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 930             g_free(devpath);
 931         } else if (devpath) {
 932             bootpath = devpath;
 933         } else {
 934             assert(i->suffix);
 935             bootpath = g_strdup(i->suffix);
 936         }
 937
 938         if (total) {
 939             list[total-1] = '\n';
 940         }
 941         len = strlen(bootpath) + 1;
 942         list = g_realloc(list, total + len);
 943         memcpy(&list[total], bootpath, len);
 944         total += len;
 945         g_free(bootpath);
 946     }
 947
 948     *size = total;
 949
 950     return list;
 951 }
 952
 953 static void numa_add(const char *optarg)
 954 {
 955     char option[128];
 956     char *endptr;
 957     unsigned long long value, endvalue;
 958     int nodenr;
 959
 960     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 961     if (!strcmp(option, "node")) {
 962         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 963             nodenr = nb_numa_nodes;
 964         } else {
 965             nodenr = strtoull(option, NULL, 10);
 966         }
 967
 968         if (get_param_value(option, 128, "mem", optarg) == 0) {
 969             node_mem[nodenr] = 0;
 970         } else {
 971             int64_t sval;
 972             sval = strtosz(option, &endptr);
 973             if (sval < 0 || *endptr) {
 974                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
 975                 exit(1);
 976             }
 977             node_mem[nodenr] = sval;
 978         }
 979         if (get_param_value(option, 128, "cpus", optarg) == 0) {
 980             node_cpumask[nodenr] = 0;
 981         } else {
 982             value = strtoull(option, &endptr, 10);
 983             if (value >= 64) {
 984                 value = 63;
 985                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
 986             } else {
 987                 if (*endptr == '-') {
 988                     endvalue = strtoull(endptr+1, &endptr, 10);
 989                     if (endvalue >= 63) {
 990                         endvalue = 62;
 991                         fprintf(stderr,
 992                             "only 63 CPUs in NUMA mode supported.\n");
 993                     }
 994                     value = (2ULL << endvalue) - (1ULL << value);
 995                 } else {
 996                     value = 1ULL << value;
 997                 }
 998             }
 999             node_cpumask[nodenr] = value;
1000         }
1001         nb_numa_nodes++;
1002     }
1003     return;
1004 }
1005
1006 static void smp_parse(const char *optarg)
1007 {
1008     int smp, sockets = 0, threads = 0, cores = 0;
1009     char *endptr;
1010     char option[128];
1011
1012     smp = strtoul(optarg, &endptr, 10);
1013     if (endptr != optarg) {
1014         if (*endptr == ',') {
1015             endptr++;
1016         }
1017     }
1018     if (get_param_value(option, 128, "sockets", endptr) != 0)
1019         sockets = strtoull(option, NULL, 10);
1020     if (get_param_value(option, 128, "cores", endptr) != 0)
1021         cores = strtoull(option, NULL, 10);
1022     if (get_param_value(option, 128, "threads", endptr) != 0)
1023         threads = strtoull(option, NULL, 10);
1024     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1025         max_cpus = strtoull(option, NULL, 10);
1026
1027     /* compute missing values, prefer sockets over cores over threads */
1028     if (smp == 0 || sockets == 0) {
1029         sockets = sockets > 0 ? sockets : 1;
1030         cores = cores > 0 ? cores : 1;
1031         threads = threads > 0 ? threads : 1;
1032         if (smp == 0) {
1033             smp = cores * threads * sockets;
1034         }
1035     } else {
1036         if (cores == 0) {
1037             threads = threads > 0 ? threads : 1;
1038             cores = smp / (sockets * threads);
1039         } else {
1040             threads = smp / (cores * sockets);
1041         }
1042     }
1043     smp_cpus = smp;
1044     smp_cores = cores > 0 ? cores : 1;
1045     smp_threads = threads > 0 ? threads : 1;
1046     if (max_cpus == 0)
1047         max_cpus = smp_cpus;
1048 }
1049
1050 /***********************************************************/
1051 /* USB devices */
1052
1053 static int usb_device_add(const char *devname)
1054 {
1055     const char *p;
1056     USBDevice *dev = NULL;
1057
1058     if (!usb_enabled)
1059         return -1;
1060
1061     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1062     dev = usbdevice_create(devname);
1063     if (dev)
1064         goto done;
1065
1066     /* the other ones */
1067 #ifndef CONFIG_LINUX
1068     /* only the linux version is qdev-ified, usb-bsd still needs this */
1069     if (strstart(devname, "host:", &p)) {
1070         dev = usb_host_device_open(usb_bus_find(-1), p);
1071     } else
1072 #endif
1073     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1074         dev = usb_bt_init(usb_bus_find(-1),
1075                           devname[2] ? hci_init(p)
1076                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1077     } else {
1078         return -1;
1079     }
1080     if (!dev)
1081         return -1;
1082
1083 done:
1084     return 0;
1085 }
1086
1087 static int usb_device_del(const char *devname)
1088 {
1089     int bus_num, addr;
1090     const char *p;
1091
1092     if (strstart(devname, "host:", &p))
1093         return usb_host_device_close(p);
1094
1095     if (!usb_enabled)
1096         return -1;
1097
1098     p = strchr(devname, '.');
1099     if (!p)
1100         return -1;
1101     bus_num = strtoul(devname, NULL, 0);
1102     addr = strtoul(p + 1, NULL, 0);
1103
1104     return usb_device_delete_addr(bus_num, addr);
1105 }
1106
1107 static int usb_parse(const char *cmdline)
1108 {
1109     int r;
1110     r = usb_device_add(cmdline);
1111     if (r < 0) {
1112         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1113     }
1114     return r;
1115 }
1116
1117 void do_usb_add(Monitor *mon, const QDict *qdict)
1118 {
1119     const char *devname = qdict_get_str(qdict, "devname");
1120     if (usb_device_add(devname) < 0) {
1121         error_report("could not add USB device '%s'", devname);
1122     }
1123 }
1124
1125 void do_usb_del(Monitor *mon, const QDict *qdict)
1126 {
1127     const char *devname = qdict_get_str(qdict, "devname");
1128     if (usb_device_del(devname) < 0) {
1129         error_report("could not delete USB device '%s'", devname);
1130     }
1131 }
1132
1133 /***********************************************************/
1134 /* PCMCIA/Cardbus */
1135
1136 static struct pcmcia_socket_entry_s {
1137     PCMCIASocket *socket;
1138     struct pcmcia_socket_entry_s *next;
1139 } *pcmcia_sockets = 0;
1140
1141 void pcmcia_socket_register(PCMCIASocket *socket)
1142 {
1143     struct pcmcia_socket_entry_s *entry;
1144
1145     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1146     entry->socket = socket;
1147     entry->next = pcmcia_sockets;
1148     pcmcia_sockets = entry;
1149 }
1150
1151 void pcmcia_socket_unregister(PCMCIASocket *socket)
1152 {
1153     struct pcmcia_socket_entry_s *entry, **ptr;
1154
1155     ptr = &pcmcia_sockets;
1156     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1157         if (entry->socket == socket) {
1158             *ptr = entry->next;
1159             g_free(entry);
1160         }
1161 }
1162
1163 void pcmcia_info(Monitor *mon)
1164 {
1165     struct pcmcia_socket_entry_s *iter;
1166
1167     if (!pcmcia_sockets)
1168         monitor_printf(mon, "No PCMCIA sockets\n");
1169
1170     for (iter = pcmcia_sockets; iter; iter = iter->next)
1171         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1172                        iter->socket->attached ? iter->socket->card_string :
1173                        "Empty");
1174 }
1175
1176 /***********************************************************/
1177 /* machine registration */
1178
1179 static QEMUMachine *first_machine = NULL;
1180 QEMUMachine *current_machine = NULL;
1181
1182 int qemu_register_machine(QEMUMachine *m)
1183 {
1184     QEMUMachine **pm;
1185     pm = &first_machine;
1186     while (*pm != NULL)
1187         pm = &(*pm)->next;
1188     m->next = NULL;
1189     *pm = m;
1190     return 0;
1191 }
1192
1193 static QEMUMachine *find_machine(const char *name)
1194 {
1195     QEMUMachine *m;
1196
1197     for(m = first_machine; m != NULL; m = m->next) {
1198         if (!strcmp(m->name, name))
1199             return m;
1200         if (m->alias && !strcmp(m->alias, name))
1201             return m;
1202     }
1203     return NULL;
1204 }
1205
1206 QEMUMachine *find_default_machine(void)
1207 {
1208     QEMUMachine *m;
1209
1210     for(m = first_machine; m != NULL; m = m->next) {
1211         if (m->is_default) {
1212             return m;
1213         }
1214     }
1215     return NULL;
1216 }
1217
1218 /***********************************************************/
1219 /* main execution loop */
1220
1221 static void gui_update(void *opaque)
1222 {
1223     uint64_t interval = GUI_REFRESH_INTERVAL;
1224     DisplayState *ds = opaque;
1225     DisplayChangeListener *dcl = ds->listeners;
1226
1227     dpy_refresh(ds);
1228
1229     while (dcl != NULL) {
1230         if (dcl->gui_timer_interval &&
1231             dcl->gui_timer_interval < interval)
1232             interval = dcl->gui_timer_interval;
1233         dcl = dcl->next;
1234     }
1235     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1236 }
1237
1238 struct vm_change_state_entry {
1239     VMChangeStateHandler *cb;
1240     void *opaque;
1241     QLIST_ENTRY (vm_change_state_entry) entries;
1242 };
1243
1244 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1245
1246 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1247                                                      void *opaque)
1248 {
1249     VMChangeStateEntry *e;
1250
1251     e = g_malloc0(sizeof (*e));
1252
1253     e->cb = cb;
1254     e->opaque = opaque;
1255     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1256     return e;
1257 }
1258
1259 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1260 {
1261     QLIST_REMOVE (e, entries);
1262     g_free (e);
1263 }
1264
1265 void vm_state_notify(int running, RunState state)
1266 {
1267     VMChangeStateEntry *e;
1268
1269     trace_vm_state_notify(running, state);
1270
1271     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1272         e->cb(e->opaque, running, state);
1273     }
1274 }
1275
1276 void vm_start(void)
1277 {
1278     if (!runstate_is_running()) {
1279         cpu_enable_ticks();
1280         runstate_set(RUN_STATE_RUNNING);
1281         vm_state_notify(1, RUN_STATE_RUNNING);
1282         resume_all_vcpus();
1283         monitor_protocol_event(QEVENT_RESUME, NULL);
1284     }
1285 }
1286
1287 /* reset/shutdown handler */
1288
1289 typedef struct QEMUResetEntry {
1290     QTAILQ_ENTRY(QEMUResetEntry) entry;
1291     QEMUResetHandler *func;
1292     void *opaque;
1293 } QEMUResetEntry;
1294
1295 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1296     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1297 static int reset_requested;
1298 static int shutdown_requested, shutdown_signal = -1;
1299 static pid_t shutdown_pid;
1300 static int powerdown_requested;
1301 static int debug_requested;
1302 static int suspend_requested;
1303 static NotifierList suspend_notifiers =
1304     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1305 static NotifierList wakeup_notifiers =
1306     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1307 static uint32_t wakeup_reason_mask = ~0;
1308 static RunState vmstop_requested = RUN_STATE_MAX;
1309
1310 int qemu_shutdown_requested_get(void)
1311 {
1312     return shutdown_requested;
1313 }
1314
1315 int qemu_reset_requested_get(void)
1316 {
1317     return reset_requested;
1318 }
1319
1320 int qemu_shutdown_requested(void)
1321 {
1322     int r = shutdown_requested;
1323     shutdown_requested = 0;
1324     return r;
1325 }
1326
1327 void qemu_kill_report(void)
1328 {
1329     if (!qtest_enabled() && shutdown_signal != -1) {
1330         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1331         if (shutdown_pid == 0) {
1332             /* This happens for eg ^C at the terminal, so it's worth
1333              * avoiding printing an odd message in that case.
1334              */
1335             fputc('\n', stderr);
1336         } else {
1337             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1338         }
1339         shutdown_signal = -1;
1340     }
1341 }
1342
1343 int qemu_reset_requested(void)
1344 {
1345     int r = reset_requested;
1346     reset_requested = 0;
1347     return r;
1348 }
1349
1350 static int qemu_suspend_requested(void)
1351 {
1352     int r = suspend_requested;
1353     suspend_requested = 0;
1354     return r;
1355 }
1356
1357 int qemu_powerdown_requested(void)
1358 {
1359     int r = powerdown_requested;
1360     powerdown_requested = 0;
1361     return r;
1362 }
1363
1364 static int qemu_debug_requested(void)
1365 {
1366     int r = debug_requested;
1367     debug_requested = 0;
1368     return r;
1369 }
1370
1371 /* We use RUN_STATE_MAX but any invalid value will do */
1372 static bool qemu_vmstop_requested(RunState *r)
1373 {
1374     if (vmstop_requested < RUN_STATE_MAX) {
1375         *r = vmstop_requested;
1376         vmstop_requested = RUN_STATE_MAX;
1377         return true;
1378     }
1379
1380     return false;
1381 }
1382
1383 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1384 {
1385     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1386
1387     re->func = func;
1388     re->opaque = opaque;
1389     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1390 }
1391
1392 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1393 {
1394     QEMUResetEntry *re;
1395
1396     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1397         if (re->func == func && re->opaque == opaque) {
1398             QTAILQ_REMOVE(&reset_handlers, re, entry);
1399             g_free(re);
1400             return;
1401         }
1402     }
1403 }
1404
1405 void qemu_system_reset(bool report)
1406 {
1407     QEMUResetEntry *re, *nre;
1408
1409     /* reset all devices */
1410     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1411         re->func(re->opaque);
1412     }
1413     if (report) {
1414         monitor_protocol_event(QEVENT_RESET, NULL);
1415     }
1416     cpu_synchronize_all_post_reset();
1417 }
1418
1419 void qemu_system_reset_request(void)
1420 {
1421     if (no_reboot) {
1422         shutdown_requested = 1;
1423     } else {
1424         reset_requested = 1;
1425     }
1426     cpu_stop_current();
1427     qemu_notify_event();
1428 }
1429
1430 static void qemu_system_suspend(void)
1431 {
1432     pause_all_vcpus();
1433     notifier_list_notify(&suspend_notifiers, NULL);
1434     runstate_set(RUN_STATE_SUSPENDED);
1435     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1436 }
1437
1438 void qemu_system_suspend_request(void)
1439 {
1440     if (runstate_check(RUN_STATE_SUSPENDED)) {
1441         return;
1442     }
1443     suspend_requested = 1;
1444     cpu_stop_current();
1445     qemu_notify_event();
1446 }
1447
1448 void qemu_register_suspend_notifier(Notifier *notifier)
1449 {
1450     notifier_list_add(&suspend_notifiers, notifier);
1451 }
1452
1453 void qemu_system_wakeup_request(WakeupReason reason)
1454 {
1455     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1456         return;
1457     }
1458     if (!(wakeup_reason_mask & (1 << reason))) {
1459         return;
1460     }
1461     runstate_set(RUN_STATE_RUNNING);
1462     monitor_protocol_event(QEVENT_WAKEUP, NULL);
1463     notifier_list_notify(&wakeup_notifiers, &reason);
1464     reset_requested = 1;
1465     qemu_notify_event();
1466 }
1467
1468 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1469 {
1470     if (enabled) {
1471         wakeup_reason_mask |= (1 << reason);
1472     } else {
1473         wakeup_reason_mask &= ~(1 << reason);
1474     }
1475 }
1476
1477 void qemu_register_wakeup_notifier(Notifier *notifier)
1478 {
1479     notifier_list_add(&wakeup_notifiers, notifier);
1480 }
1481
1482 void qemu_system_killed(int signal, pid_t pid)
1483 {
1484     shutdown_signal = signal;
1485     shutdown_pid = pid;
1486     no_shutdown = 0;
1487     qemu_system_shutdown_request();
1488 }
1489
1490 void qemu_system_shutdown_request(void)
1491 {
1492     shutdown_requested = 1;
1493     qemu_notify_event();
1494 }
1495
1496 void qemu_system_powerdown_request(void)
1497 {
1498     powerdown_requested = 1;
1499     qemu_notify_event();
1500 }
1501
1502 void qemu_system_debug_request(void)
1503 {
1504     debug_requested = 1;
1505     qemu_notify_event();
1506 }
1507
1508 void qemu_system_vmstop_request(RunState state)
1509 {
1510     vmstop_requested = state;
1511     qemu_notify_event();
1512 }
1513
1514 qemu_irq qemu_system_powerdown;
1515
1516 static bool main_loop_should_exit(void)
1517 {
1518     RunState r;
1519     if (qemu_debug_requested()) {
1520         vm_stop(RUN_STATE_DEBUG);
1521     }
1522     if (qemu_suspend_requested()) {
1523         qemu_system_suspend();
1524     }
1525     if (qemu_shutdown_requested()) {
1526         qemu_kill_report();
1527         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1528         if (no_shutdown) {
1529             vm_stop(RUN_STATE_SHUTDOWN);
1530         } else {
1531             return true;
1532         }
1533     }
1534     if (qemu_reset_requested()) {
1535         pause_all_vcpus();
1536         cpu_synchronize_all_states();
1537         qemu_system_reset(VMRESET_REPORT);
1538         resume_all_vcpus();
1539         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1540             runstate_check(RUN_STATE_SHUTDOWN)) {
1541             runstate_set(RUN_STATE_PAUSED);
1542         }
1543     }
1544     if (qemu_powerdown_requested()) {
1545         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1546         qemu_irq_raise(qemu_system_powerdown);
1547     }
1548     if (qemu_vmstop_requested(&r)) {
1549         vm_stop(r);
1550     }
1551     return false;
1552 }
1553
1554 static void main_loop(void)
1555 {
1556     bool nonblocking;
1557     int last_io = 0;
1558 #ifdef CONFIG_PROFILER
1559     int64_t ti;
1560 #endif
1561     do {
1562         nonblocking = !kvm_enabled() && last_io > 0;
1563 #ifdef CONFIG_PROFILER
1564         ti = profile_getclock();
1565 #endif
1566         last_io = main_loop_wait(nonblocking);
1567 #ifdef CONFIG_PROFILER
1568         dev_time += profile_getclock() - ti;
1569 #endif
1570     } while (!main_loop_should_exit());
1571 }
1572
1573 static void version(void)
1574 {
1575     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1576 }
1577
1578 static void help(int exitcode)
1579 {
1580     version();
1581     printf("usage: %s [options] [disk_image]\n\n"
1582            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1583             error_get_progname());
1584
1585 #define QEMU_OPTIONS_GENERATE_HELP
1586 #include "qemu-options-wrapper.h"
1587
1588     printf("\nDuring emulation, the following keys are useful:\n"
1589            "ctrl-alt-f      toggle full screen\n"
1590            "ctrl-alt-n      switch to virtual console 'n'\n"
1591            "ctrl-alt        toggle mouse and keyboard grab\n"
1592            "\n"
1593            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1594
1595     exit(exitcode);
1596 }
1597
1598 #define HAS_ARG 0x0001
1599
1600 typedef struct QEMUOption {
1601     const char *name;
1602     int flags;
1603     int index;
1604     uint32_t arch_mask;
1605 } QEMUOption;
1606
1607 static const QEMUOption qemu_options[] = {
1608     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1609 #define QEMU_OPTIONS_GENERATE_OPTIONS
1610 #include "qemu-options-wrapper.h"
1611     { NULL },
1612 };
1613
1614 static bool vga_available(void)
1615 {
1616     return qdev_exists("VGA") || qdev_exists("isa-vga");
1617 }
1618
1619 static bool cirrus_vga_available(void)
1620 {
1621     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1622 }
1623
1624 static bool vmware_vga_available(void)
1625 {
1626     return qdev_exists("vmware-svga");
1627 }
1628
1629 static void select_vgahw (const char *p)
1630 {
1631     const char *opts;
1632
1633     vga_interface_type = VGA_NONE;
1634     if (strstart(p, "std", &opts)) {
1635         if (vga_available()) {
1636             vga_interface_type = VGA_STD;
1637         } else {
1638             fprintf(stderr, "Error: standard VGA not available\n");
1639             exit(0);
1640         }
1641     } else if (strstart(p, "cirrus", &opts)) {
1642         if (cirrus_vga_available()) {
1643             vga_interface_type = VGA_CIRRUS;
1644         } else {
1645             fprintf(stderr, "Error: Cirrus VGA not available\n");
1646             exit(0);
1647         }
1648     } else if (strstart(p, "vmware", &opts)) {
1649         if (vmware_vga_available()) {
1650             vga_interface_type = VGA_VMWARE;
1651         } else {
1652             fprintf(stderr, "Error: VMWare SVGA not available\n");
1653             exit(0);
1654         }
1655     } else if (strstart(p, "xenfb", &opts)) {
1656         vga_interface_type = VGA_XENFB;
1657     } else if (strstart(p, "qxl", &opts)) {
1658         vga_interface_type = VGA_QXL;
1659     } else if (!strstart(p, "none", &opts)) {
1660     invalid_vga:
1661         fprintf(stderr, "Unknown vga type: %s\n", p);
1662         exit(1);
1663     }
1664     while (*opts) {
1665         const char *nextopt;
1666
1667         if (strstart(opts, ",retrace=", &nextopt)) {
1668             opts = nextopt;
1669             if (strstart(opts, "dumb", &nextopt))
1670                 vga_retrace_method = VGA_RETRACE_DUMB;
1671             else if (strstart(opts, "precise", &nextopt))
1672                 vga_retrace_method = VGA_RETRACE_PRECISE;
1673             else goto invalid_vga;
1674         } else goto invalid_vga;
1675         opts = nextopt;
1676     }
1677 }
1678
1679 static DisplayType select_display(const char *p)
1680 {
1681     const char *opts;
1682     DisplayType display = DT_DEFAULT;
1683
1684     if (strstart(p, "sdl", &opts)) {
1685 #ifdef CONFIG_SDL
1686         display = DT_SDL;
1687         while (*opts) {
1688             const char *nextopt;
1689
1690             if (strstart(opts, ",frame=", &nextopt)) {
1691                 opts = nextopt;
1692                 if (strstart(opts, "on", &nextopt)) {
1693                     no_frame = 0;
1694                 } else if (strstart(opts, "off", &nextopt)) {
1695                     no_frame = 1;
1696                 } else {
1697                     goto invalid_sdl_args;
1698                 }
1699             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1700                 opts = nextopt;
1701                 if (strstart(opts, "on", &nextopt)) {
1702                     alt_grab = 1;
1703                 } else if (strstart(opts, "off", &nextopt)) {
1704                     alt_grab = 0;
1705                 } else {
1706                     goto invalid_sdl_args;
1707                 }
1708             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1709                 opts = nextopt;
1710                 if (strstart(opts, "on", &nextopt)) {
1711                     ctrl_grab = 1;
1712                 } else if (strstart(opts, "off", &nextopt)) {
1713                     ctrl_grab = 0;
1714                 } else {
1715                     goto invalid_sdl_args;
1716                 }
1717             } else if (strstart(opts, ",window_close=", &nextopt)) {
1718                 opts = nextopt;
1719                 if (strstart(opts, "on", &nextopt)) {
1720                     no_quit = 0;
1721                 } else if (strstart(opts, "off", &nextopt)) {
1722                     no_quit = 1;
1723                 } else {
1724                     goto invalid_sdl_args;
1725                 }
1726             } else {
1727             invalid_sdl_args:
1728                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1729                 exit(1);
1730             }
1731             opts = nextopt;
1732         }
1733 #else
1734         fprintf(stderr, "SDL support is disabled\n");
1735         exit(1);
1736 #endif
1737     } else if (strstart(p, "vnc", &opts)) {
1738 #ifdef CONFIG_VNC
1739         display_remote++;
1740
1741         if (*opts) {
1742             const char *nextopt;
1743
1744             if (strstart(opts, "=", &nextopt)) {
1745                 vnc_display = nextopt;
1746             }
1747         }
1748         if (!vnc_display) {
1749             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1750             exit(1);
1751         }
1752 #else
1753         fprintf(stderr, "VNC support is disabled\n");
1754         exit(1);
1755 #endif
1756     } else if (strstart(p, "curses", &opts)) {
1757 #ifdef CONFIG_CURSES
1758         display = DT_CURSES;
1759 #else
1760         fprintf(stderr, "Curses support is disabled\n");
1761         exit(1);
1762 #endif
1763     } else if (strstart(p, "none", &opts)) {
1764         display = DT_NONE;
1765     } else {
1766         fprintf(stderr, "Unknown display type: %s\n", p);
1767         exit(1);
1768     }
1769
1770     return display;
1771 }
1772
1773 static int balloon_parse(const char *arg)
1774 {
1775     QemuOpts *opts;
1776
1777     if (strcmp(arg, "none") == 0) {
1778         return 0;
1779     }
1780
1781     if (!strncmp(arg, "virtio", 6)) {
1782         if (arg[6] == ',') {
1783             /* have params -> parse them */
1784             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1785             if (!opts)
1786                 return  -1;
1787         } else {
1788             /* create empty opts */
1789             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1790         }
1791         qemu_opt_set(opts, "driver", "virtio-balloon");
1792         return 0;
1793     }
1794
1795     return -1;
1796 }
1797
1798 char *qemu_find_file(int type, const char *name)
1799 {
1800     int len;
1801     const char *subdir;
1802     char *buf;
1803
1804     /* If name contains path separators then try it as a straight path.  */
1805     if ((strchr(name, '/') || strchr(name, '\\'))
1806         && access(name, R_OK) == 0) {
1807         return g_strdup(name);
1808     }
1809     switch (type) {
1810     case QEMU_FILE_TYPE_BIOS:
1811         subdir = "";
1812         break;
1813     case QEMU_FILE_TYPE_KEYMAP:
1814         subdir = "keymaps/";
1815         break;
1816     default:
1817         abort();
1818     }
1819     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1820     buf = g_malloc0(len);
1821     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1822     if (access(buf, R_OK)) {
1823         g_free(buf);
1824         return NULL;
1825     }
1826     return buf;
1827 }
1828
1829 static int device_help_func(QemuOpts *opts, void *opaque)
1830 {
1831     return qdev_device_help(opts);
1832 }
1833
1834 static int device_init_func(QemuOpts *opts, void *opaque)
1835 {
1836     DeviceState *dev;
1837
1838     dev = qdev_device_add(opts);
1839     if (!dev)
1840         return -1;
1841     return 0;
1842 }
1843
1844 static int chardev_init_func(QemuOpts *opts, void *opaque)
1845 {
1846     CharDriverState *chr;
1847
1848     chr = qemu_chr_new_from_opts(opts, NULL);
1849     if (!chr)
1850         return -1;
1851     return 0;
1852 }
1853
1854 #ifdef CONFIG_VIRTFS
1855 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1856 {
1857     int ret;
1858     ret = qemu_fsdev_add(opts);
1859
1860     return ret;
1861 }
1862 #endif
1863
1864 static int mon_init_func(QemuOpts *opts, void *opaque)
1865 {
1866     CharDriverState *chr;
1867     const char *chardev;
1868     const char *mode;
1869     int flags;
1870
1871     mode = qemu_opt_get(opts, "mode");
1872     if (mode == NULL) {
1873         mode = "readline";
1874     }
1875     if (strcmp(mode, "readline") == 0) {
1876         flags = MONITOR_USE_READLINE;
1877     } else if (strcmp(mode, "control") == 0) {
1878         flags = MONITOR_USE_CONTROL;
1879     } else {
1880         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1881         exit(1);
1882     }
1883
1884     if (qemu_opt_get_bool(opts, "pretty", 0))
1885         flags |= MONITOR_USE_PRETTY;
1886
1887     if (qemu_opt_get_bool(opts, "default", 0))
1888         flags |= MONITOR_IS_DEFAULT;
1889
1890     chardev = qemu_opt_get(opts, "chardev");
1891     chr = qemu_chr_find(chardev);
1892     if (chr == NULL) {
1893         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1894         exit(1);
1895     }
1896
1897     monitor_init(chr, flags);
1898     return 0;
1899 }
1900
1901 static void monitor_parse(const char *optarg, const char *mode)
1902 {
1903     static int monitor_device_index = 0;
1904     QemuOpts *opts;
1905     const char *p;
1906     char label[32];
1907     int def = 0;
1908
1909     if (strstart(optarg, "chardev:", &p)) {
1910         snprintf(label, sizeof(label), "%s", p);
1911     } else {
1912         snprintf(label, sizeof(label), "compat_monitor%d",
1913                  monitor_device_index);
1914         if (monitor_device_index == 0) {
1915             def = 1;
1916         }
1917         opts = qemu_chr_parse_compat(label, optarg);
1918         if (!opts) {
1919             fprintf(stderr, "parse error: %s\n", optarg);
1920             exit(1);
1921         }
1922     }
1923
1924     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1925     if (!opts) {
1926         fprintf(stderr, "duplicate chardev: %s\n", label);
1927         exit(1);
1928     }
1929     qemu_opt_set(opts, "mode", mode);
1930     qemu_opt_set(opts, "chardev", label);
1931     if (def)
1932         qemu_opt_set(opts, "default", "on");
1933     monitor_device_index++;
1934 }
1935
1936 struct device_config {
1937     enum {
1938         DEV_USB,       /* -usbdevice     */
1939         DEV_BT,        /* -bt            */
1940         DEV_SERIAL,    /* -serial        */
1941         DEV_PARALLEL,  /* -parallel      */
1942         DEV_VIRTCON,   /* -virtioconsole */
1943         DEV_DEBUGCON,  /* -debugcon */
1944         DEV_GDB,       /* -gdb, -s */
1945     } type;
1946     const char *cmdline;
1947     Location loc;
1948     QTAILQ_ENTRY(device_config) next;
1949 };
1950 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1951
1952 static void add_device_config(int type, const char *cmdline)
1953 {
1954     struct device_config *conf;
1955
1956     conf = g_malloc0(sizeof(*conf));
1957     conf->type = type;
1958     conf->cmdline = cmdline;
1959     loc_save(&conf->loc);
1960     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1961 }
1962
1963 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1964 {
1965     struct device_config *conf;
1966     int rc;
1967
1968     QTAILQ_FOREACH(conf, &device_configs, next) {
1969         if (conf->type != type)
1970             continue;
1971         loc_push_restore(&conf->loc);
1972         rc = func(conf->cmdline);
1973         loc_pop(&conf->loc);
1974         if (0 != rc)
1975             return rc;
1976     }
1977     return 0;
1978 }
1979
1980 static int serial_parse(const char *devname)
1981 {
1982     static int index = 0;
1983     char label[32];
1984
1985     if (strcmp(devname, "none") == 0)
1986         return 0;
1987     if (index == MAX_SERIAL_PORTS) {
1988         fprintf(stderr, "qemu: too many serial ports\n");
1989         exit(1);
1990     }
1991     snprintf(label, sizeof(label), "serial%d", index);
1992     serial_hds[index] = qemu_chr_new(label, devname, NULL);
1993     if (!serial_hds[index]) {
1994         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1995                 devname, strerror(errno));
1996         return -1;
1997     }
1998     index++;
1999     return 0;
2000 }
2001
2002 static int parallel_parse(const char *devname)
2003 {
2004     static int index = 0;
2005     char label[32];
2006
2007     if (strcmp(devname, "none") == 0)
2008         return 0;
2009     if (index == MAX_PARALLEL_PORTS) {
2010         fprintf(stderr, "qemu: too many parallel ports\n");
2011         exit(1);
2012     }
2013     snprintf(label, sizeof(label), "parallel%d", index);
2014     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2015     if (!parallel_hds[index]) {
2016         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2017                 devname, strerror(errno));
2018         return -1;
2019     }
2020     index++;
2021     return 0;
2022 }
2023
2024 static int virtcon_parse(const char *devname)
2025 {
2026     QemuOptsList *device = qemu_find_opts("device");
2027     static int index = 0;
2028     char label[32];
2029     QemuOpts *bus_opts, *dev_opts;
2030
2031     if (strcmp(devname, "none") == 0)
2032         return 0;
2033     if (index == MAX_VIRTIO_CONSOLES) {
2034         fprintf(stderr, "qemu: too many virtio consoles\n");
2035         exit(1);
2036     }
2037
2038     bus_opts = qemu_opts_create(device, NULL, 0);
2039     if (arch_type == QEMU_ARCH_S390X) {
2040         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2041     } else {
2042         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2043     }
2044
2045     dev_opts = qemu_opts_create(device, NULL, 0);
2046     qemu_opt_set(dev_opts, "driver", "virtconsole");
2047
2048     snprintf(label, sizeof(label), "virtcon%d", index);
2049     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2050     if (!virtcon_hds[index]) {
2051         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2052                 devname, strerror(errno));
2053         return -1;
2054     }
2055     qemu_opt_set(dev_opts, "chardev", label);
2056
2057     index++;
2058     return 0;
2059 }
2060
2061 static int debugcon_parse(const char *devname)
2062 {
2063     QemuOpts *opts;
2064
2065     if (!qemu_chr_new("debugcon", devname, NULL)) {
2066         exit(1);
2067     }
2068     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2069     if (!opts) {
2070         fprintf(stderr, "qemu: already have a debugcon device\n");
2071         exit(1);
2072     }
2073     qemu_opt_set(opts, "driver", "isa-debugcon");
2074     qemu_opt_set(opts, "chardev", "debugcon");
2075     return 0;
2076 }
2077
2078 static QEMUMachine *machine_parse(const char *name)
2079 {
2080     QEMUMachine *m, *machine = NULL;
2081
2082     if (name) {
2083         machine = find_machine(name);
2084     }
2085     if (machine) {
2086         return machine;
2087     }
2088     printf("Supported machines are:\n");
2089     for (m = first_machine; m != NULL; m = m->next) {
2090         if (m->alias) {
2091             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2092         }
2093         printf("%-20s %s%s\n", m->name, m->desc,
2094                m->is_default ? " (default)" : "");
2095     }
2096     exit(!name || *name != '?');
2097 }
2098
2099 static int tcg_init(void)
2100 {
2101     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2102     return 0;
2103 }
2104
2105 static struct {
2106     const char *opt_name;
2107     const char *name;
2108     int (*available)(void);
2109     int (*init)(void);
2110     int *allowed;
2111 } accel_list[] = {
2112     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2113     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2114     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2115     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2116 };
2117
2118 static int configure_accelerator(void)
2119 {
2120     const char *p = NULL;
2121     char buf[10];
2122     int i, ret;
2123     bool accel_initialised = 0;
2124     bool init_failed = 0;
2125
2126     QemuOptsList *list = qemu_find_opts("machine");
2127     if (!QTAILQ_EMPTY(&list->head)) {
2128         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2129     }
2130
2131     if (p == NULL) {
2132         /* Use the default "accelerator", tcg */
2133         p = "tcg";
2134     }
2135
2136     while (!accel_initialised && *p != '\0') {
2137         if (*p == ':') {
2138             p++;
2139         }
2140         p = get_opt_name(buf, sizeof (buf), p, ':');
2141         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2142             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2143                 *(accel_list[i].allowed) = 1;
2144                 ret = accel_list[i].init();
2145                 if (ret < 0) {
2146                     init_failed = 1;
2147                     if (!accel_list[i].available()) {
2148                         printf("%s not supported for this target\n",
2149                                accel_list[i].name);
2150                     } else {
2151                         fprintf(stderr, "failed to initialize %s: %s\n",
2152                                 accel_list[i].name,
2153                                 strerror(-ret));
2154                     }
2155                     *(accel_list[i].allowed) = 0;
2156                 } else {
2157                     accel_initialised = 1;
2158                 }
2159                 break;
2160             }
2161         }
2162         if (i == ARRAY_SIZE(accel_list)) {
2163             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2164         }
2165     }
2166
2167     if (!accel_initialised) {
2168         fprintf(stderr, "No accelerator found!\n");
2169         exit(1);
2170     }
2171
2172     if (init_failed) {
2173         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2174     }
2175
2176     return !accel_initialised;
2177 }
2178
2179 void qemu_add_exit_notifier(Notifier *notify)
2180 {
2181     notifier_list_add(&exit_notifiers, notify);
2182 }
2183
2184 void qemu_remove_exit_notifier(Notifier *notify)
2185 {
2186     notifier_remove(notify);
2187 }
2188
2189 static void qemu_run_exit_notifiers(void)
2190 {
2191     notifier_list_notify(&exit_notifiers, NULL);
2192 }
2193
2194 void qemu_add_machine_init_done_notifier(Notifier *notify)
2195 {
2196     notifier_list_add(&machine_init_done_notifiers, notify);
2197 }
2198
2199 static void qemu_run_machine_init_done_notifiers(void)
2200 {
2201     notifier_list_notify(&machine_init_done_notifiers, NULL);
2202 }
2203
2204 static const QEMUOption *lookup_opt(int argc, char **argv,
2205                                     const char **poptarg, int *poptind)
2206 {
2207     const QEMUOption *popt;
2208     int optind = *poptind;
2209     char *r = argv[optind];
2210     const char *optarg;
2211
2212     loc_set_cmdline(argv, optind, 1);
2213     optind++;
2214     /* Treat --foo the same as -foo.  */
2215     if (r[1] == '-')
2216         r++;
2217     popt = qemu_options;
2218     for(;;) {
2219         if (!popt->name) {
2220             error_report("invalid option");
2221             exit(1);
2222         }
2223         if (!strcmp(popt->name, r + 1))
2224             break;
2225         popt++;
2226     }
2227     if (popt->flags & HAS_ARG) {
2228         if (optind >= argc) {
2229             error_report("requires an argument");
2230             exit(1);
2231         }
2232         optarg = argv[optind++];
2233         loc_set_cmdline(argv, optind - 2, 2);
2234     } else {
2235         optarg = NULL;
2236     }
2237
2238     *poptarg = optarg;
2239     *poptind = optind;
2240
2241     return popt;
2242 }
2243
2244 static gpointer malloc_and_trace(gsize n_bytes)
2245 {
2246     void *ptr = malloc(n_bytes);
2247     trace_g_malloc(n_bytes, ptr);
2248     return ptr;
2249 }
2250
2251 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2252 {
2253     void *ptr = realloc(mem, n_bytes);
2254     trace_g_realloc(mem, n_bytes, ptr);
2255     return ptr;
2256 }
2257
2258 static void free_and_trace(gpointer mem)
2259 {
2260     trace_g_free(mem);
2261     free(mem);
2262 }
2263
2264 int qemu_init_main_loop(void)
2265 {
2266     return main_loop_init();
2267 }
2268
2269 int main(int argc, char **argv, char **envp)
2270 {
2271     int i;
2272     int snapshot, linux_boot;
2273     const char *icount_option = NULL;
2274     const char *initrd_filename;
2275     const char *kernel_filename, *kernel_cmdline;
2276     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2277     DisplayState *ds;
2278     DisplayChangeListener *dcl;
2279     int cyls, heads, secs, translation;
2280     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2281     QemuOptsList *olist;
2282     int optind;
2283     const char *optarg;
2284     const char *loadvm = NULL;
2285     QEMUMachine *machine;
2286     const char *cpu_model;
2287     const char *vga_model = "none";
2288     const char *pid_file = NULL;
2289     const char *incoming = NULL;
2290 #ifdef CONFIG_VNC
2291     int show_vnc_port = 0;
2292 #endif
2293     bool defconfig = true;
2294     bool userconfig = true;
2295     const char *log_mask = NULL;
2296     const char *log_file = NULL;
2297     GMemVTable mem_trace = {
2298         .malloc = malloc_and_trace,
2299         .realloc = realloc_and_trace,
2300         .free = free_and_trace,
2301     };
2302     const char *trace_events = NULL;
2303     const char *trace_file = NULL;
2304
2305     atexit(qemu_run_exit_notifiers);
2306     error_set_progname(argv[0]);
2307
2308     g_mem_set_vtable(&mem_trace);
2309     if (!g_thread_supported()) {
2310 #if !GLIB_CHECK_VERSION(2, 31, 0)
2311         g_thread_init(NULL);
2312 #else
2313         fprintf(stderr, "glib threading failed to initialize.\n");
2314         exit(1);
2315 #endif
2316     }
2317
2318     module_call_init(MODULE_INIT_QOM);
2319
2320     runstate_init();
2321
2322     init_clocks();
2323     rtc_clock = host_clock;
2324
2325     qemu_cache_utils_init(envp);
2326
2327     QLIST_INIT (&vm_change_state_head);
2328     os_setup_early_signal_handling();
2329
2330     module_call_init(MODULE_INIT_MACHINE);
2331     machine = find_default_machine();
2332     cpu_model = NULL;
2333     ram_size = 0;
2334     snapshot = 0;
2335     cyls = heads = secs = 0;
2336     translation = BIOS_ATA_TRANSLATION_AUTO;
2337
2338     for (i = 0; i < MAX_NODES; i++) {
2339         node_mem[i] = 0;
2340         node_cpumask[i] = 0;
2341     }
2342
2343     nb_numa_nodes = 0;
2344     nb_nics = 0;
2345
2346     autostart= 1;
2347
2348     /* first pass of option parsing */
2349     optind = 1;
2350     while (optind < argc) {
2351         if (argv[optind][0] != '-') {
2352             /* disk image */
2353             optind++;
2354             continue;
2355         } else {
2356             const QEMUOption *popt;
2357
2358             popt = lookup_opt(argc, argv, &optarg, &optind);
2359             switch (popt->index) {
2360             case QEMU_OPTION_nodefconfig:
2361                 defconfig = false;
2362                 break;
2363             case QEMU_OPTION_nouserconfig:
2364                 userconfig = false;
2365                 break;
2366             }
2367         }
2368     }
2369
2370     if (defconfig) {
2371         int ret;
2372         ret = qemu_read_default_config_files(userconfig);
2373         if (ret < 0) {
2374             exit(1);
2375         }
2376     }
2377
2378     /* second pass of option parsing */
2379     optind = 1;
2380     for(;;) {
2381         if (optind >= argc)
2382             break;
2383         if (argv[optind][0] != '-') {
2384             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2385         } else {
2386             const QEMUOption *popt;
2387
2388             popt = lookup_opt(argc, argv, &optarg, &optind);
2389             if (!(popt->arch_mask & arch_type)) {
2390                 printf("Option %s not supported for this target\n", popt->name);
2391                 exit(1);
2392             }
2393             switch(popt->index) {
2394             case QEMU_OPTION_M:
2395                 machine = machine_parse(optarg);
2396                 break;
2397             case QEMU_OPTION_cpu:
2398                 /* hw initialization will check this */
2399                 cpu_model = optarg;
2400                 break;
2401             case QEMU_OPTION_hda:
2402                 {
2403                     char buf[256];
2404                     if (cyls == 0)
2405                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2406                     else
2407                         snprintf(buf, sizeof(buf),
2408                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2409                                  HD_OPTS , cyls, heads, secs,
2410                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2411                                  ",trans=lba" :
2412                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2413                                  ",trans=none" : "");
2414                     drive_add(IF_DEFAULT, 0, optarg, buf);
2415                     break;
2416                 }
2417             case QEMU_OPTION_hdb:
2418             case QEMU_OPTION_hdc:
2419             case QEMU_OPTION_hdd:
2420                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2421                           HD_OPTS);
2422                 break;
2423             case QEMU_OPTION_drive:
2424                 if (drive_def(optarg) == NULL) {
2425                     exit(1);
2426                 }
2427                 break;
2428             case QEMU_OPTION_set:
2429                 if (qemu_set_option(optarg) != 0)
2430                     exit(1);
2431                 break;
2432             case QEMU_OPTION_global:
2433                 if (qemu_global_option(optarg) != 0)
2434                     exit(1);
2435                 break;
2436             case QEMU_OPTION_mtdblock:
2437                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2438                 break;
2439             case QEMU_OPTION_sd:
2440                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2441                 break;
2442             case QEMU_OPTION_pflash:
2443                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2444                 break;
2445             case QEMU_OPTION_snapshot:
2446                 snapshot = 1;
2447                 break;
2448             case QEMU_OPTION_hdachs:
2449                 {
2450                     const char *p;
2451                     p = optarg;
2452                     cyls = strtol(p, (char **)&p, 0);
2453                     if (cyls < 1 || cyls > 16383)
2454                         goto chs_fail;
2455                     if (*p != ',')
2456                         goto chs_fail;
2457                     p++;
2458                     heads = strtol(p, (char **)&p, 0);
2459                     if (heads < 1 || heads > 16)
2460                         goto chs_fail;
2461                     if (*p != ',')
2462                         goto chs_fail;
2463                     p++;
2464                     secs = strtol(p, (char **)&p, 0);
2465                     if (secs < 1 || secs > 63)
2466                         goto chs_fail;
2467                     if (*p == ',') {
2468                         p++;
2469                         if (!strcmp(p, "none"))
2470                             translation = BIOS_ATA_TRANSLATION_NONE;
2471                         else if (!strcmp(p, "lba"))
2472                             translation = BIOS_ATA_TRANSLATION_LBA;
2473                         else if (!strcmp(p, "auto"))
2474                             translation = BIOS_ATA_TRANSLATION_AUTO;
2475                         else
2476                             goto chs_fail;
2477                     } else if (*p != '\0') {
2478                     chs_fail:
2479                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2480                         exit(1);
2481                     }
2482                     if (hda_opts != NULL) {
2483                         char num[16];
2484                         snprintf(num, sizeof(num), "%d", cyls);
2485                         qemu_opt_set(hda_opts, "cyls", num);
2486                         snprintf(num, sizeof(num), "%d", heads);
2487                         qemu_opt_set(hda_opts, "heads", num);
2488                         snprintf(num, sizeof(num), "%d", secs);
2489                         qemu_opt_set(hda_opts, "secs", num);
2490                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2491                             qemu_opt_set(hda_opts, "trans", "lba");
2492                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2493                             qemu_opt_set(hda_opts, "trans", "none");
2494                     }
2495                 }
2496                 break;
2497             case QEMU_OPTION_numa:
2498                 if (nb_numa_nodes >= MAX_NODES) {
2499                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2500                     exit(1);
2501                 }
2502                 numa_add(optarg);
2503                 break;
2504             case QEMU_OPTION_display:
2505                 display_type = select_display(optarg);
2506                 break;
2507             case QEMU_OPTION_nographic:
2508                 display_type = DT_NOGRAPHIC;
2509                 break;
2510             case QEMU_OPTION_curses:
2511 #ifdef CONFIG_CURSES
2512                 display_type = DT_CURSES;
2513 #else
2514                 fprintf(stderr, "Curses support is disabled\n");
2515                 exit(1);
2516 #endif
2517                 break;
2518             case QEMU_OPTION_portrait:
2519                 graphic_rotate = 90;
2520                 break;
2521             case QEMU_OPTION_rotate:
2522                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2523                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2524                     graphic_rotate != 180 && graphic_rotate != 270) {
2525                     fprintf(stderr,
2526                         "qemu: only 90, 180, 270 deg rotation is available\n");
2527                     exit(1);
2528                 }
2529                 break;
2530             case QEMU_OPTION_kernel:
2531                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2532                 break;
2533             case QEMU_OPTION_initrd:
2534                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2535                 break;
2536             case QEMU_OPTION_append:
2537                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2538                 break;
2539             case QEMU_OPTION_dtb:
2540                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2541                 break;
2542             case QEMU_OPTION_cdrom:
2543                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2544                 break;
2545             case QEMU_OPTION_boot:
2546                 {
2547                     static const char * const params[] = {
2548                         "order", "once", "menu",
2549                         "splash", "splash-time", NULL
2550                     };
2551                     char buf[sizeof(boot_devices)];
2552                     char *standard_boot_devices;
2553                     int legacy = 0;
2554
2555                     if (!strchr(optarg, '=')) {
2556                         legacy = 1;
2557                         pstrcpy(buf, sizeof(buf), optarg);
2558                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2559                         fprintf(stderr,
2560                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2561                                 buf, optarg);
2562                         exit(1);
2563                     }
2564
2565                     if (legacy ||
2566                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2567                         validate_bootdevices(buf);
2568                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2569                     }
2570                     if (!legacy) {
2571                         if (get_param_value(buf, sizeof(buf),
2572                                             "once", optarg)) {
2573                             validate_bootdevices(buf);
2574                             standard_boot_devices = g_strdup(boot_devices);
2575                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2576                             qemu_register_reset(restore_boot_devices,
2577                                                 standard_boot_devices);
2578                         }
2579                         if (get_param_value(buf, sizeof(buf),
2580                                             "menu", optarg)) {
2581                             if (!strcmp(buf, "on")) {
2582                                 boot_menu = 1;
2583                             } else if (!strcmp(buf, "off")) {
2584                                 boot_menu = 0;
2585                             } else {
2586                                 fprintf(stderr,
2587                                         "qemu: invalid option value '%s'\n",
2588                                         buf);
2589                                 exit(1);
2590                             }
2591                         }
2592                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2593                                         optarg, 0);
2594                     }
2595                 }
2596                 break;
2597             case QEMU_OPTION_fda:
2598             case QEMU_OPTION_fdb:
2599                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2600                           optarg, FD_OPTS);
2601                 break;
2602             case QEMU_OPTION_no_fd_bootchk:
2603                 fd_bootchk = 0;
2604                 break;
2605             case QEMU_OPTION_netdev:
2606                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2607                     exit(1);
2608                 }
2609                 break;
2610             case QEMU_OPTION_net:
2611                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2612                     exit(1);
2613                 }
2614                 break;
2615 #ifdef CONFIG_LIBISCSI
2616             case QEMU_OPTION_iscsi:
2617                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2618                 if (!opts) {
2619                     exit(1);
2620                 }
2621                 break;
2622 #endif
2623 #ifdef CONFIG_SLIRP
2624             case QEMU_OPTION_tftp:
2625                 legacy_tftp_prefix = optarg;
2626                 break;
2627             case QEMU_OPTION_bootp:
2628                 legacy_bootp_filename = optarg;
2629                 break;
2630             case QEMU_OPTION_redir:
2631                 if (net_slirp_redir(optarg) < 0)
2632                     exit(1);
2633                 break;
2634 #endif
2635             case QEMU_OPTION_bt:
2636                 add_device_config(DEV_BT, optarg);
2637                 break;
2638             case QEMU_OPTION_audio_help:
2639                 if (!(audio_available())) {
2640                     printf("Option %s not supported for this target\n", popt->name);
2641                     exit(1);
2642                 }
2643                 AUD_help ();
2644                 exit (0);
2645                 break;
2646             case QEMU_OPTION_soundhw:
2647                 if (!(audio_available())) {
2648                     printf("Option %s not supported for this target\n", popt->name);
2649                     exit(1);
2650                 }
2651                 select_soundhw (optarg);
2652                 break;
2653             case QEMU_OPTION_h:
2654                 help(0);
2655                 break;
2656             case QEMU_OPTION_version:
2657                 version();
2658                 exit(0);
2659                 break;
2660             case QEMU_OPTION_m: {
2661                 int64_t value;
2662                 char *end;
2663
2664                 value = strtosz(optarg, &end);
2665                 if (value < 0 || *end) {
2666                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2667                     exit(1);
2668                 }
2669
2670                 if (value != (uint64_t)(ram_addr_t)value) {
2671                     fprintf(stderr, "qemu: ram size too large\n");
2672                     exit(1);
2673                 }
2674                 ram_size = value;
2675                 break;
2676             }
2677             case QEMU_OPTION_mempath:
2678                 mem_path = optarg;
2679                 break;
2680 #ifdef MAP_POPULATE
2681             case QEMU_OPTION_mem_prealloc:
2682                 mem_prealloc = 1;
2683                 break;
2684 #endif
2685             case QEMU_OPTION_d:
2686                 log_mask = optarg;
2687                 break;
2688             case QEMU_OPTION_D:
2689                 log_file = optarg;
2690                 break;
2691             case QEMU_OPTION_s:
2692                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2693                 break;
2694             case QEMU_OPTION_gdb:
2695                 add_device_config(DEV_GDB, optarg);
2696                 break;
2697             case QEMU_OPTION_L:
2698                 data_dir = optarg;
2699                 break;
2700             case QEMU_OPTION_bios:
2701                 bios_name = optarg;
2702                 break;
2703             case QEMU_OPTION_singlestep:
2704                 singlestep = 1;
2705                 break;
2706             case QEMU_OPTION_S:
2707                 autostart = 0;
2708                 break;
2709             case QEMU_OPTION_k:
2710                 keyboard_layout = optarg;
2711                 break;
2712             case QEMU_OPTION_localtime:
2713                 rtc_utc = 0;
2714                 break;
2715             case QEMU_OPTION_vga:
2716                 vga_model = optarg;
2717                 default_vga = 0;
2718                 break;
2719             case QEMU_OPTION_g:
2720                 {
2721                     const char *p;
2722                     int w, h, depth;
2723                     p = optarg;
2724                     w = strtol(p, (char **)&p, 10);
2725                     if (w <= 0) {
2726                     graphic_error:
2727                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2728                         exit(1);
2729                     }
2730                     if (*p != 'x')
2731                         goto graphic_error;
2732                     p++;
2733                     h = strtol(p, (char **)&p, 10);
2734                     if (h <= 0)
2735                         goto graphic_error;
2736                     if (*p == 'x') {
2737                         p++;
2738                         depth = strtol(p, (char **)&p, 10);
2739                         if (depth != 8 && depth != 15 && depth != 16 &&
2740                             depth != 24 && depth != 32)
2741                             goto graphic_error;
2742                     } else if (*p == '\0') {
2743                         depth = graphic_depth;
2744                     } else {
2745                         goto graphic_error;
2746                     }
2747
2748                     graphic_width = w;
2749                     graphic_height = h;
2750                     graphic_depth = depth;
2751                 }
2752                 break;
2753             case QEMU_OPTION_echr:
2754                 {
2755                     char *r;
2756                     term_escape_char = strtol(optarg, &r, 0);
2757                     if (r == optarg)
2758                         printf("Bad argument to echr\n");
2759                     break;
2760                 }
2761             case QEMU_OPTION_monitor:
2762                 monitor_parse(optarg, "readline");
2763                 default_monitor = 0;
2764                 break;
2765             case QEMU_OPTION_qmp:
2766                 monitor_parse(optarg, "control");
2767                 default_monitor = 0;
2768                 break;
2769             case QEMU_OPTION_mon:
2770                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2771                 if (!opts) {
2772                     exit(1);
2773                 }
2774                 default_monitor = 0;
2775                 break;
2776             case QEMU_OPTION_chardev:
2777                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2778                 if (!opts) {
2779                     exit(1);
2780                 }
2781                 break;
2782             case QEMU_OPTION_fsdev:
2783                 olist = qemu_find_opts("fsdev");
2784                 if (!olist) {
2785                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2786                     exit(1);
2787                 }
2788                 opts = qemu_opts_parse(olist, optarg, 1);
2789                 if (!opts) {
2790                     fprintf(stderr, "parse error: %s\n", optarg);
2791                     exit(1);
2792                 }
2793                 break;
2794             case QEMU_OPTION_virtfs: {
2795                 QemuOpts *fsdev;
2796                 QemuOpts *device;
2797                 const char *writeout, *sock_fd, *socket;
2798
2799                 olist = qemu_find_opts("virtfs");
2800                 if (!olist) {
2801                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2802                     exit(1);
2803                 }
2804                 opts = qemu_opts_parse(olist, optarg, 1);
2805                 if (!opts) {
2806                     fprintf(stderr, "parse error: %s\n", optarg);
2807                     exit(1);
2808                 }
2809
2810                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2811                     qemu_opt_get(opts, "mount_tag") == NULL) {
2812                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2813                     exit(1);
2814                 }
2815                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2816                                          qemu_opt_get(opts, "mount_tag"), 1);
2817                 if (!fsdev) {
2818                     fprintf(stderr, "duplicate fsdev id: %s\n",
2819                             qemu_opt_get(opts, "mount_tag"));
2820                     exit(1);
2821                 }
2822
2823                 writeout = qemu_opt_get(opts, "writeout");
2824                 if (writeout) {
2825 #ifdef CONFIG_SYNC_FILE_RANGE
2826                     qemu_opt_set(fsdev, "writeout", writeout);
2827 #else
2828                     fprintf(stderr, "writeout=immediate not supported on "
2829                             "this platform\n");
2830                     exit(1);
2831 #endif
2832                 }
2833                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2834                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2835                 qemu_opt_set(fsdev, "security_model",
2836                              qemu_opt_get(opts, "security_model"));
2837                 socket = qemu_opt_get(opts, "socket");
2838                 if (socket) {
2839                     qemu_opt_set(fsdev, "socket", socket);
2840                 }
2841                 sock_fd = qemu_opt_get(opts, "sock_fd");
2842                 if (sock_fd) {
2843                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2844                 }
2845
2846                 qemu_opt_set_bool(fsdev, "readonly",
2847                                 qemu_opt_get_bool(opts, "readonly", 0));
2848                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2849                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2850                 qemu_opt_set(device, "fsdev",
2851                              qemu_opt_get(opts, "mount_tag"));
2852                 qemu_opt_set(device, "mount_tag",
2853                              qemu_opt_get(opts, "mount_tag"));
2854                 break;
2855             }
2856             case QEMU_OPTION_virtfs_synth: {
2857                 QemuOpts *fsdev;
2858                 QemuOpts *device;
2859
2860                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2861                 if (!fsdev) {
2862                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2863                     exit(1);
2864                 }
2865                 qemu_opt_set(fsdev, "fsdriver", "synth");
2866
2867                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2868                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2869                 qemu_opt_set(device, "fsdev", "v_synth");
2870                 qemu_opt_set(device, "mount_tag", "v_synth");
2871                 break;
2872             }
2873             case QEMU_OPTION_serial:
2874                 add_device_config(DEV_SERIAL, optarg);
2875                 default_serial = 0;
2876                 if (strncmp(optarg, "mon:", 4) == 0) {
2877                     default_monitor = 0;
2878                 }
2879                 break;
2880             case QEMU_OPTION_watchdog:
2881                 if (watchdog) {
2882                     fprintf(stderr,
2883                             "qemu: only one watchdog option may be given\n");
2884                     return 1;
2885                 }
2886                 watchdog = optarg;
2887                 break;
2888             case QEMU_OPTION_watchdog_action:
2889                 if (select_watchdog_action(optarg) == -1) {
2890                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2891                     exit(1);
2892                 }
2893                 break;
2894             case QEMU_OPTION_virtiocon:
2895                 add_device_config(DEV_VIRTCON, optarg);
2896                 default_virtcon = 0;
2897                 if (strncmp(optarg, "mon:", 4) == 0) {
2898                     default_monitor = 0;
2899                 }
2900                 break;
2901             case QEMU_OPTION_parallel:
2902                 add_device_config(DEV_PARALLEL, optarg);
2903                 default_parallel = 0;
2904                 if (strncmp(optarg, "mon:", 4) == 0) {
2905                     default_monitor = 0;
2906                 }
2907                 break;
2908             case QEMU_OPTION_debugcon:
2909                 add_device_config(DEV_DEBUGCON, optarg);
2910                 break;
2911             case QEMU_OPTION_loadvm:
2912                 loadvm = optarg;
2913                 break;
2914             case QEMU_OPTION_full_screen:
2915                 full_screen = 1;
2916                 break;
2917 #ifdef CONFIG_SDL
2918             case QEMU_OPTION_no_frame:
2919                 no_frame = 1;
2920                 break;
2921             case QEMU_OPTION_alt_grab:
2922                 alt_grab = 1;
2923                 break;
2924             case QEMU_OPTION_ctrl_grab:
2925                 ctrl_grab = 1;
2926                 break;
2927             case QEMU_OPTION_no_quit:
2928                 no_quit = 1;
2929                 break;
2930             case QEMU_OPTION_sdl:
2931                 display_type = DT_SDL;
2932                 break;
2933 #else
2934             case QEMU_OPTION_no_frame:
2935             case QEMU_OPTION_alt_grab:
2936             case QEMU_OPTION_ctrl_grab:
2937             case QEMU_OPTION_no_quit:
2938             case QEMU_OPTION_sdl:
2939                 fprintf(stderr, "SDL support is disabled\n");
2940                 exit(1);
2941 #endif
2942             case QEMU_OPTION_pidfile:
2943                 pid_file = optarg;
2944                 break;
2945             case QEMU_OPTION_win2k_hack:
2946                 win2k_install_hack = 1;
2947                 break;
2948             case QEMU_OPTION_rtc_td_hack: {
2949                 static GlobalProperty slew_lost_ticks[] = {
2950                     {
2951                         .driver   = "mc146818rtc",
2952                         .property = "lost_tick_policy",
2953                         .value    = "slew",
2954                     },
2955                     { /* end of list */ }
2956                 };
2957
2958                 qdev_prop_register_global_list(slew_lost_ticks);
2959                 break;
2960             }
2961             case QEMU_OPTION_acpitable:
2962                 do_acpitable_option(optarg);
2963                 break;
2964             case QEMU_OPTION_smbios:
2965                 do_smbios_option(optarg);
2966                 break;
2967             case QEMU_OPTION_enable_kvm:
2968                 olist = qemu_find_opts("machine");
2969                 qemu_opts_parse(olist, "accel=kvm", 0);
2970                 break;
2971             case QEMU_OPTION_machine:
2972                 olist = qemu_find_opts("machine");
2973                 opts = qemu_opts_parse(olist, optarg, 1);
2974                 if (!opts) {
2975                     fprintf(stderr, "parse error: %s\n", optarg);
2976                     exit(1);
2977                 }
2978                 optarg = qemu_opt_get(opts, "type");
2979                 if (optarg) {
2980                     machine = machine_parse(optarg);
2981                 }
2982                 break;
2983             case QEMU_OPTION_usb:
2984                 usb_enabled = 1;
2985                 break;
2986             case QEMU_OPTION_usbdevice:
2987                 usb_enabled = 1;
2988                 add_device_config(DEV_USB, optarg);
2989                 break;
2990             case QEMU_OPTION_device:
2991                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2992                     exit(1);
2993                 }
2994                 break;
2995             case QEMU_OPTION_smp:
2996                 smp_parse(optarg);
2997                 if (smp_cpus < 1) {
2998                     fprintf(stderr, "Invalid number of CPUs\n");
2999                     exit(1);
3000                 }
3001                 if (max_cpus < smp_cpus) {
3002                     fprintf(stderr, "maxcpus must be equal to or greater than "
3003                             "smp\n");
3004                     exit(1);
3005                 }
3006                 if (max_cpus > 255) {
3007                     fprintf(stderr, "Unsupported number of maxcpus\n");
3008                     exit(1);
3009                 }
3010                 break;
3011             case QEMU_OPTION_vnc:
3012 #ifdef CONFIG_VNC
3013                 display_remote++;
3014                 vnc_display = optarg;
3015 #else
3016                 fprintf(stderr, "VNC support is disabled\n");
3017                 exit(1);
3018 #endif
3019                 break;
3020             case QEMU_OPTION_no_acpi:
3021                 acpi_enabled = 0;
3022                 break;
3023             case QEMU_OPTION_no_hpet:
3024                 no_hpet = 1;
3025                 break;
3026             case QEMU_OPTION_balloon:
3027                 if (balloon_parse(optarg) < 0) {
3028                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3029                     exit(1);
3030                 }
3031                 break;
3032             case QEMU_OPTION_no_reboot:
3033                 no_reboot = 1;
3034                 break;
3035             case QEMU_OPTION_no_shutdown:
3036                 no_shutdown = 1;
3037                 break;
3038             case QEMU_OPTION_show_cursor:
3039                 cursor_hide = 0;
3040                 break;
3041             case QEMU_OPTION_uuid:
3042                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3043                     fprintf(stderr, "Fail to parse UUID string."
3044                             " Wrong format.\n");
3045                     exit(1);
3046                 }
3047                 break;
3048             case QEMU_OPTION_option_rom:
3049                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3050                     fprintf(stderr, "Too many option ROMs\n");
3051                     exit(1);
3052                 }
3053                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3054                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3055                 option_rom[nb_option_roms].bootindex =
3056                     qemu_opt_get_number(opts, "bootindex", -1);
3057                 if (!option_rom[nb_option_roms].name) {
3058                     fprintf(stderr, "Option ROM file is not specified\n");
3059                     exit(1);
3060                 }
3061                 nb_option_roms++;
3062                 break;
3063             case QEMU_OPTION_semihosting:
3064                 semihosting_enabled = 1;
3065                 break;
3066             case QEMU_OPTION_name:
3067                 qemu_name = g_strdup(optarg);
3068                  {
3069                      char *p = strchr(qemu_name, ',');
3070                      if (p != NULL) {
3071                         *p++ = 0;
3072                         if (strncmp(p, "process=", 8)) {
3073                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3074                             exit(1);
3075                         }
3076                         p += 8;
3077                         os_set_proc_name(p);
3078                      }
3079                  }
3080                 break;
3081             case QEMU_OPTION_prom_env:
3082                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3083                     fprintf(stderr, "Too many prom variables\n");
3084                     exit(1);
3085                 }
3086                 prom_envs[nb_prom_envs] = optarg;
3087                 nb_prom_envs++;
3088                 break;
3089             case QEMU_OPTION_old_param:
3090                 old_param = 1;
3091                 break;
3092             case QEMU_OPTION_clock:
3093                 configure_alarms(optarg);
3094                 break;
3095             case QEMU_OPTION_startdate:
3096                 configure_rtc_date_offset(optarg, 1);
3097                 break;
3098             case QEMU_OPTION_rtc:
3099                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3100                 if (!opts) {
3101                     exit(1);
3102                 }
3103                 configure_rtc(opts);
3104                 break;
3105             case QEMU_OPTION_tb_size:
3106                 tcg_tb_size = strtol(optarg, NULL, 0);
3107                 if (tcg_tb_size < 0) {
3108                     tcg_tb_size = 0;
3109                 }
3110                 break;
3111             case QEMU_OPTION_icount:
3112                 icount_option = optarg;
3113                 break;
3114             case QEMU_OPTION_incoming:
3115                 incoming = optarg;
3116                 runstate_set(RUN_STATE_INMIGRATE);
3117                 break;
3118             case QEMU_OPTION_nodefaults:
3119                 default_serial = 0;
3120                 default_parallel = 0;
3121                 default_virtcon = 0;
3122                 default_monitor = 0;
3123                 default_net = 0;
3124                 default_floppy = 0;
3125                 default_cdrom = 0;
3126                 default_sdcard = 0;
3127                 default_vga = 0;
3128                 break;
3129             case QEMU_OPTION_xen_domid:
3130                 if (!(xen_available())) {
3131                     printf("Option %s not supported for this target\n", popt->name);
3132                     exit(1);
3133                 }
3134                 xen_domid = atoi(optarg);
3135                 break;
3136             case QEMU_OPTION_xen_create:
3137                 if (!(xen_available())) {
3138                     printf("Option %s not supported for this target\n", popt->name);
3139                     exit(1);
3140                 }
3141                 xen_mode = XEN_CREATE;
3142                 break;
3143             case QEMU_OPTION_xen_attach:
3144                 if (!(xen_available())) {
3145                     printf("Option %s not supported for this target\n", popt->name);
3146                     exit(1);
3147                 }
3148                 xen_mode = XEN_ATTACH;
3149                 break;
3150             case QEMU_OPTION_trace:
3151             {
3152                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3153                 if (!opts) {
3154                     exit(1);
3155                 }
3156                 trace_events = qemu_opt_get(opts, "events");
3157                 trace_file = qemu_opt_get(opts, "file");
3158                 break;
3159             }
3160             case QEMU_OPTION_readconfig:
3161                 {
3162                     int ret = qemu_read_config_file(optarg);
3163                     if (ret < 0) {
3164                         fprintf(stderr, "read config %s: %s\n", optarg,
3165                             strerror(-ret));
3166                         exit(1);
3167                     }
3168                     break;
3169                 }
3170             case QEMU_OPTION_spice:
3171                 olist = qemu_find_opts("spice");
3172                 if (!olist) {
3173                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3174                     exit(1);
3175                 }
3176                 opts = qemu_opts_parse(olist, optarg, 0);
3177                 if (!opts) {
3178                     fprintf(stderr, "parse error: %s\n", optarg);
3179                     exit(1);
3180                 }
3181                 break;
3182             case QEMU_OPTION_writeconfig:
3183                 {
3184                     FILE *fp;
3185                     if (strcmp(optarg, "-") == 0) {
3186                         fp = stdout;
3187                     } else {
3188                         fp = fopen(optarg, "w");
3189                         if (fp == NULL) {
3190                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3191                             exit(1);
3192                         }
3193                     }
3194                     qemu_config_write(fp);
3195                     fclose(fp);
3196                     break;
3197                 }
3198             case QEMU_OPTION_qtest:
3199                 qtest_chrdev = optarg;
3200                 break;
3201             case QEMU_OPTION_qtest_log:
3202                 qtest_log = optarg;
3203                 break;
3204             default:
3205                 os_parse_cmd_args(popt->index, optarg);
3206             }
3207         }
3208     }
3209     loc_set_none();
3210
3211     /* Init CPU def lists, based on config
3212      * - Must be called after all the qemu_read_config_file() calls
3213      * - Must be called before list_cpus()
3214      * - Must be called before machine->init()
3215      */
3216     cpudef_init();
3217
3218     if (cpu_model && *cpu_model == '?') {
3219         list_cpus(stdout, &fprintf, cpu_model);
3220         exit(0);
3221     }
3222
3223     /* Open the logfile at this point, if necessary. We can't open the logfile
3224      * when encountering either of the logging options (-d or -D) because the
3225      * other one may be encountered later on the command line, changing the
3226      * location or level of logging.
3227      */
3228     if (log_mask) {
3229         if (log_file) {
3230             set_cpu_log_filename(log_file);
3231         }
3232         set_cpu_log(log_mask);
3233     }
3234
3235     if (!trace_backend_init(trace_events, trace_file)) {
3236         exit(1);
3237     }
3238
3239     /* If no data_dir is specified then try to find it relative to the
3240        executable path.  */
3241     if (!data_dir) {
3242         data_dir = os_find_datadir(argv[0]);
3243     }
3244     /* If all else fails use the install path specified when building. */
3245     if (!data_dir) {
3246         data_dir = CONFIG_QEMU_DATADIR;
3247     }
3248
3249     if (machine == NULL) {
3250         fprintf(stderr, "No machine found.\n");
3251         exit(1);
3252     }
3253
3254     /*
3255      * Default to max_cpus = smp_cpus, in case the user doesn't
3256      * specify a max_cpus value.
3257      */
3258     if (!max_cpus)
3259         max_cpus = smp_cpus;
3260
3261     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3262     if (smp_cpus > machine->max_cpus) {
3263         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3264                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3265                 machine->max_cpus);
3266         exit(1);
3267     }
3268
3269     /*
3270      * Get the default machine options from the machine if it is not already
3271      * specified either by the configuration file or by the command line.
3272      */
3273     if (machine->default_machine_opts) {
3274         qemu_opts_set_defaults(qemu_find_opts("machine"),
3275                                machine->default_machine_opts, 0);
3276     }
3277
3278     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3279     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3280
3281     if (machine->no_serial) {
3282         default_serial = 0;
3283     }
3284     if (machine->no_parallel) {
3285         default_parallel = 0;
3286     }
3287     if (!machine->use_virtcon) {
3288         default_virtcon = 0;
3289     }
3290     if (machine->no_floppy) {
3291         default_floppy = 0;
3292     }
3293     if (machine->no_cdrom) {
3294         default_cdrom = 0;
3295     }
3296     if (machine->no_sdcard) {
3297         default_sdcard = 0;
3298     }
3299
3300     if (display_type == DT_NOGRAPHIC) {
3301         if (default_parallel)
3302             add_device_config(DEV_PARALLEL, "null");
3303         if (default_serial && default_monitor) {
3304             add_device_config(DEV_SERIAL, "mon:stdio");
3305         } else if (default_virtcon && default_monitor) {
3306             add_device_config(DEV_VIRTCON, "mon:stdio");
3307         } else {
3308             if (default_serial)
3309                 add_device_config(DEV_SERIAL, "stdio");
3310             if (default_virtcon)
3311                 add_device_config(DEV_VIRTCON, "stdio");
3312             if (default_monitor)
3313                 monitor_parse("stdio", "readline");
3314         }
3315     } else {
3316         if (default_serial)
3317             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3318         if (default_parallel)
3319             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3320         if (default_monitor)
3321             monitor_parse("vc:80Cx24C", "readline");
3322         if (default_virtcon)
3323             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3324     }
3325
3326     socket_init();
3327
3328     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3329         exit(1);
3330 #ifdef CONFIG_VIRTFS
3331     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3332         exit(1);
3333     }
3334 #endif
3335
3336     os_daemonize();
3337
3338     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3339         os_pidfile_error();
3340         exit(1);
3341     }
3342
3343     /* init the memory */
3344     if (ram_size == 0) {
3345         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3346     }
3347
3348     configure_accelerator();
3349
3350     qemu_init_cpu_loop();
3351     if (qemu_init_main_loop()) {
3352         fprintf(stderr, "qemu_init_main_loop failed\n");
3353         exit(1);
3354     }
3355
3356     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3357     if (machine_opts) {
3358         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3359         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3360         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3361     } else {
3362         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3363     }
3364
3365     if (!kernel_cmdline) {
3366         kernel_cmdline = "";
3367     }
3368
3369     linux_boot = (kernel_filename != NULL);
3370
3371     if (!linux_boot && *kernel_cmdline != '\0') {
3372         fprintf(stderr, "-append only allowed with -kernel option\n");
3373         exit(1);
3374     }
3375
3376     if (!linux_boot && initrd_filename != NULL) {
3377         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3378         exit(1);
3379     }
3380
3381     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3382         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3383         exit(1);
3384     }
3385
3386     os_set_line_buffering();
3387
3388     if (init_timer_alarm() < 0) {
3389         fprintf(stderr, "could not initialize alarm timer\n");
3390         exit(1);
3391     }
3392
3393 #ifdef CONFIG_SPICE
3394     /* spice needs the timers to be initialized by this point */
3395     qemu_spice_init();
3396 #endif
3397
3398     if (icount_option && (kvm_enabled() || xen_enabled())) {
3399         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3400         exit(1);
3401     }
3402     configure_icount(icount_option);
3403
3404     if (net_init_clients() < 0) {
3405         exit(1);
3406     }
3407
3408     /* init the bluetooth world */
3409     if (foreach_device_config(DEV_BT, bt_parse))
3410         exit(1);
3411
3412     if (!xen_enabled()) {
3413         /* On 32-bit hosts, QEMU is limited by virtual address space */
3414         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3415             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3416             exit(1);
3417         }
3418     }
3419
3420     cpu_exec_init_all();
3421
3422     bdrv_init_with_whitelist();
3423
3424     blk_mig_init();
3425
3426     /* open the virtual block devices */
3427     if (snapshot)
3428         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3429     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3430         exit(1);
3431
3432     default_drive(default_cdrom, snapshot, machine->use_scsi,
3433                   IF_DEFAULT, 2, CDROM_OPTS);
3434     default_drive(default_floppy, snapshot, machine->use_scsi,
3435                   IF_FLOPPY, 0, FD_OPTS);
3436     default_drive(default_sdcard, snapshot, machine->use_scsi,
3437                   IF_SD, 0, SD_OPTS);
3438
3439     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3440                          ram_load, NULL);
3441
3442     if (nb_numa_nodes > 0) {
3443         int i;
3444
3445         if (nb_numa_nodes > MAX_NODES) {
3446             nb_numa_nodes = MAX_NODES;
3447         }
3448
3449         /* If no memory size if given for any node, assume the default case
3450          * and distribute the available memory equally across all nodes
3451          */
3452         for (i = 0; i < nb_numa_nodes; i++) {
3453             if (node_mem[i] != 0)
3454                 break;
3455         }
3456         if (i == nb_numa_nodes) {
3457             uint64_t usedmem = 0;
3458
3459             /* On Linux, the each node's border has to be 8MB aligned,
3460              * the final node gets the rest.
3461              */
3462             for (i = 0; i < nb_numa_nodes - 1; i++) {
3463                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3464                 usedmem += node_mem[i];
3465             }
3466             node_mem[i] = ram_size - usedmem;
3467         }
3468
3469         for (i = 0; i < nb_numa_nodes; i++) {
3470             if (node_cpumask[i] != 0)
3471                 break;
3472         }
3473         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3474          * must cope with this anyway, because there are BIOSes out there in
3475          * real machines which also use this scheme.
3476          */
3477         if (i == nb_numa_nodes) {
3478             for (i = 0; i < max_cpus; i++) {
3479                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3480             }
3481         }
3482     }
3483
3484     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3485         exit(1);
3486     }
3487
3488     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3489         exit(1);
3490     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3491         exit(1);
3492     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3493         exit(1);
3494     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3495         exit(1);
3496
3497     /* If no default VGA is requested, the default is "none".  */
3498     if (default_vga && cirrus_vga_available()) {
3499         vga_model = "cirrus";
3500     }
3501     select_vgahw(vga_model);
3502
3503     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3504         exit(0);
3505
3506     if (watchdog) {
3507         i = select_watchdog(watchdog);
3508         if (i > 0)
3509             exit (i == 1 ? 1 : 0);
3510     }
3511
3512     if (machine->compat_props) {
3513         qdev_prop_register_global_list(machine->compat_props);
3514     }
3515     qemu_add_globals();
3516
3517     qdev_machine_init();
3518
3519     machine->init(ram_size, boot_devices,
3520                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3521
3522     cpu_synchronize_all_post_init();
3523
3524     set_numa_modes();
3525
3526     current_machine = machine;
3527
3528     /* init USB devices */
3529     if (usb_enabled) {
3530         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3531             exit(1);
3532     }
3533
3534     /* init generic devices */
3535     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3536         exit(1);
3537
3538     net_check_clients();
3539
3540     /* just use the first displaystate for the moment */
3541     ds = get_displaystate();
3542
3543     if (using_spice)
3544         display_remote++;
3545     if (display_type == DT_DEFAULT && !display_remote) {
3546 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3547         display_type = DT_SDL;
3548 #elif defined(CONFIG_VNC)
3549         vnc_display = "localhost:0,to=99";
3550         show_vnc_port = 1;
3551 #else
3552         display_type = DT_NONE;
3553 #endif
3554     }
3555
3556
3557     /* init local displays */
3558     switch (display_type) {
3559     case DT_NOGRAPHIC:
3560         break;
3561 #if defined(CONFIG_CURSES)
3562     case DT_CURSES:
3563         curses_display_init(ds, full_screen);
3564         break;
3565 #endif
3566 #if defined(CONFIG_SDL)
3567     case DT_SDL:
3568         sdl_display_init(ds, full_screen, no_frame);
3569         break;
3570 #elif defined(CONFIG_COCOA)
3571     case DT_SDL:
3572         cocoa_display_init(ds, full_screen);
3573         break;
3574 #endif
3575     default:
3576         break;
3577     }
3578
3579     /* must be after terminal init, SDL library changes signal handlers */
3580     os_setup_signal_handling();
3581
3582 #ifdef CONFIG_VNC
3583     /* init remote displays */
3584     if (vnc_display) {
3585         vnc_display_init(ds);
3586         if (vnc_display_open(ds, vnc_display) < 0)
3587             exit(1);
3588
3589         if (show_vnc_port) {
3590             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3591         }
3592     }
3593 #endif
3594 #ifdef CONFIG_SPICE
3595     if (using_spice && !qxl_enabled) {
3596         qemu_spice_display_init(ds);
3597     }
3598 #endif
3599
3600     /* display setup */
3601     dpy_resize(ds);
3602     dcl = ds->listeners;
3603     while (dcl != NULL) {
3604         if (dcl->dpy_refresh != NULL) {
3605             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3606             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3607             break;
3608         }
3609         dcl = dcl->next;
3610     }
3611     text_consoles_set_display(ds);
3612
3613     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3614         exit(1);
3615     }
3616
3617     qdev_machine_creation_done();
3618
3619     if (rom_load_all() != 0) {
3620         fprintf(stderr, "rom loading failed\n");
3621         exit(1);
3622     }
3623
3624     /* TODO: once all bus devices are qdevified, this should be done
3625      * when bus is created by qdev.c */
3626     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3627     qemu_run_machine_init_done_notifiers();
3628
3629     qemu_system_reset(VMRESET_SILENT);
3630     if (loadvm) {
3631         if (load_vmstate(loadvm) < 0) {
3632             autostart = 0;
3633         }
3634     }
3635
3636     if (incoming) {
3637         Error *errp = NULL;
3638         int ret = qemu_start_incoming_migration(incoming, &errp);
3639         if (ret < 0) {
3640             if (error_is_set(&errp)) {
3641                 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3642                 error_free(errp);
3643             }
3644             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3645                     incoming, ret);
3646             exit(ret);
3647         }
3648     } else if (autostart) {
3649         vm_start();
3650     }
3651
3652     os_setup_post();
3653
3654     resume_all_vcpus();
3655     main_loop();
3656     bdrv_close_all();
3657     pause_all_vcpus();
3658     net_cleanup();
3659     res_free();
3660
3661     return 0;
3662 }