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 #include "bitmap.h"
  32
  33 /* Needed early for CONFIG_BSD etc. */
  34 #include "config-host.h"
  35
  36 #ifndef _WIN32
  37 #include <libgen.h>
  38 #include <sys/times.h>
  39 #include <sys/wait.h>
  40 #include <termios.h>
  41 #include <sys/mman.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/resource.h>
  44 #include <sys/socket.h>
  45 #include <netinet/in.h>
  46 #include <net/if.h>
  47 #include <arpa/inet.h>
  48 #include <dirent.h>
  49 #include <netdb.h>
  50 #include <sys/select.h>
  51
  52 #ifdef CONFIG_BSD
  53 #include <sys/stat.h>
  54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <malloc.h>
  62
  63 #include <linux/ppdev.h>
  64 #include <linux/parport.h>
  65 #endif
  66
  67 #ifdef CONFIG_SECCOMP
  68 #include "qemu-seccomp.h"
  69 #endif
  70
  71 #ifdef __sun__
  72 #include <sys/stat.h>
  73 #include <sys/ethernet.h>
  74 #include <sys/sockio.h>
  75 #include <netinet/arp.h>
  76 #include <netinet/in_systm.h>
  77 #include <netinet/ip.h>
  78 #include <netinet/ip_icmp.h> // must come after ip.h
  79 #include <netinet/udp.h>
  80 #include <netinet/tcp.h>
  81 #include <net/if.h>
  82 #include <syslog.h>
  83 #include <stropts.h>
  84 #endif
  85 #endif
  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 "blockdev.h"
 140 #include "hw/block-common.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 #include "osdep.h"
 169
 170 #include "ui/qemu-spice.h"
 171
 172 //#define DEBUG_NET
 173 //#define DEBUG_SLIRP
 174
 175 #define DEFAULT_RAM_SIZE 128
 176
 177 #define MAX_VIRTIO_CONSOLES 1
 178
 179 static const char *data_dir;
 180 const char *bios_name = NULL;
 181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 182 DisplayType display_type = DT_DEFAULT;
 183 int display_remote = 0;
 184 const char* keyboard_layout = NULL;
 185 ram_addr_t ram_size;
 186 const char *mem_path = NULL;
 187 #ifdef MAP_POPULATE
 188 int mem_prealloc = 0; /* force preallocation of physical target memory */
 189 #endif
 190 int nb_nics;
 191 NICInfo nd_table[MAX_NICS];
 192 int autostart;
 193 static int rtc_utc = 1;
 194 static int rtc_date_offset = -1; /* -1 means no change */
 195 QEMUClock *rtc_clock;
 196 int vga_interface_type = VGA_NONE;
 197 static int full_screen = 0;
 198 #ifdef CONFIG_SDL
 199 static int no_frame = 0;
 200 #endif
 201 int no_quit = 0;
 202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 205 int win2k_install_hack = 0;
 206 int usb_enabled = 0;
 207 int singlestep = 0;
 208 int smp_cpus = 1;
 209 int max_cpus = 0;
 210 int smp_cores = 1;
 211 int smp_threads = 1;
 212 #ifdef CONFIG_VNC
 213 const char *vnc_display;
 214 #endif
 215 int acpi_enabled = 1;
 216 int no_hpet = 0;
 217 int fd_bootchk = 1;
 218 int no_reboot = 0;
 219 int no_shutdown = 0;
 220 int cursor_hide = 1;
 221 int graphic_rotate = 0;
 222 const char *watchdog;
 223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 224 int nb_option_roms;
 225 int semihosting_enabled = 0;
 226 int old_param = 0;
 227 const char *qemu_name;
 228 int alt_grab = 0;
 229 int ctrl_grab = 0;
 230 unsigned int nb_prom_envs = 0;
 231 const char *prom_envs[MAX_PROM_ENVS];
 232 int boot_menu;
 233 uint8_t *boot_splash_filedata;
 234 int boot_splash_filedata_size;
 235 uint8_t qemu_extra_params_fw[2];
 236
 237 typedef struct FWBootEntry FWBootEntry;
 238
 239 struct FWBootEntry {
 240     QTAILQ_ENTRY(FWBootEntry) link;
 241     int32_t bootindex;
 242     DeviceState *dev;
 243     char *suffix;
 244 };
 245
 246 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 247
 248 int nb_numa_nodes;
 249 uint64_t node_mem[MAX_NODES];
 250 unsigned long *node_cpumask[MAX_NODES];
 251
 252 uint8_t qemu_uuid[16];
 253
 254 static QEMUBootSetHandler *boot_set_handler;
 255 static void *boot_set_opaque;
 256
 257 static NotifierList exit_notifiers =
 258     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 259
 260 static NotifierList machine_init_done_notifiers =
 261     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 262
 263 static int tcg_allowed = 1;
 264 int kvm_allowed = 0;
 265 int xen_allowed = 0;
 266 uint32_t xen_domid;
 267 enum xen_mode xen_mode = XEN_EMULATE;
 268 static int tcg_tb_size;
 269
 270 static int default_serial = 1;
 271 static int default_parallel = 1;
 272 static int default_virtcon = 1;
 273 static int default_monitor = 1;
 274 static int default_floppy = 1;
 275 static int default_cdrom = 1;
 276 static int default_sdcard = 1;
 277 static int default_vga = 1;
 278
 279 static struct {
 280     const char *driver;
 281     int *flag;
 282 } default_list[] = {
 283     { .driver = "isa-serial",           .flag = &default_serial    },
 284     { .driver = "isa-parallel",         .flag = &default_parallel  },
 285     { .driver = "isa-fdc",              .flag = &default_floppy    },
 286     { .driver = "ide-cd",               .flag = &default_cdrom     },
 287     { .driver = "ide-hd",               .flag = &default_cdrom     },
 288     { .driver = "ide-drive",            .flag = &default_cdrom     },
 289     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 290     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 291     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 292     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 293     { .driver = "VGA",                  .flag = &default_vga       },
 294     { .driver = "isa-vga",              .flag = &default_vga       },
 295     { .driver = "cirrus-vga",           .flag = &default_vga       },
 296     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 297     { .driver = "vmware-svga",          .flag = &default_vga       },
 298     { .driver = "qxl-vga",              .flag = &default_vga       },
 299 };
 300
 301 const char *qemu_get_vm_name(void)
 302 {
 303     return qemu_name;
 304 }
 305
 306 static void res_free(void)
 307 {
 308     if (boot_splash_filedata != NULL) {
 309         g_free(boot_splash_filedata);
 310         boot_splash_filedata = NULL;
 311     }
 312 }
 313
 314 static int default_driver_check(QemuOpts *opts, void *opaque)
 315 {
 316     const char *driver = qemu_opt_get(opts, "driver");
 317     int i;
 318
 319     if (!driver)
 320         return 0;
 321     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 322         if (strcmp(default_list[i].driver, driver) != 0)
 323             continue;
 324         *(default_list[i].flag) = 0;
 325     }
 326     return 0;
 327 }
 328
 329 /***********************************************************/
 330 /* QEMU state */
 331
 332 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 333
 334 typedef struct {
 335     RunState from;
 336     RunState to;
 337 } RunStateTransition;
 338
 339 static const RunStateTransition runstate_transitions_def[] = {
 340     /*     from      ->     to      */
 341     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 342
 343     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 344     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 345
 346     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 347     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 348
 349     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 350     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 351
 352     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 353     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 354
 355     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 356     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 357
 358     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 359     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 360     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 361
 362     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 363     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 364
 365     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 366
 367     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 368     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 369     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 370     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 371     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 372     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 373     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 374     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 375     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 376
 377     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 378
 379     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 380     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 381
 382     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 383     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 384     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 385     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 386
 387     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 388     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 389
 390     { RUN_STATE_MAX, RUN_STATE_MAX },
 391 };
 392
 393 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 394
 395 bool runstate_check(RunState state)
 396 {
 397     return current_run_state == state;
 398 }
 399
 400 void runstate_init(void)
 401 {
 402     const RunStateTransition *p;
 403
 404     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 405
 406     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 407         runstate_valid_transitions[p->from][p->to] = true;
 408     }
 409 }
 410
 411 /* This function will abort() on invalid state transitions */
 412 void runstate_set(RunState new_state)
 413 {
 414     assert(new_state < RUN_STATE_MAX);
 415
 416     if (!runstate_valid_transitions[current_run_state][new_state]) {
 417         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 418                 RunState_lookup[current_run_state],
 419                 RunState_lookup[new_state]);
 420         abort();
 421     }
 422
 423     current_run_state = new_state;
 424 }
 425
 426 int runstate_is_running(void)
 427 {
 428     return runstate_check(RUN_STATE_RUNNING);
 429 }
 430
 431 StatusInfo *qmp_query_status(Error **errp)
 432 {
 433     StatusInfo *info = g_malloc0(sizeof(*info));
 434
 435     info->running = runstate_is_running();
 436     info->singlestep = singlestep;
 437     info->status = current_run_state;
 438
 439     return info;
 440 }
 441
 442 /***********************************************************/
 443 /* real time host monotonic timer */
 444
 445 /***********************************************************/
 446 /* host time/date access */
 447 void qemu_get_timedate(struct tm *tm, int offset)
 448 {
 449     time_t ti;
 450     struct tm *ret;
 451
 452     time(&ti);
 453     ti += offset;
 454     if (rtc_date_offset == -1) {
 455         if (rtc_utc)
 456             ret = gmtime(&ti);
 457         else
 458             ret = localtime(&ti);
 459     } else {
 460         ti -= rtc_date_offset;
 461         ret = gmtime(&ti);
 462     }
 463
 464     memcpy(tm, ret, sizeof(struct tm));
 465 }
 466
 467 int qemu_timedate_diff(struct tm *tm)
 468 {
 469     time_t seconds;
 470
 471     if (rtc_date_offset == -1)
 472         if (rtc_utc)
 473             seconds = mktimegm(tm);
 474         else {
 475             struct tm tmp = *tm;
 476             tmp.tm_isdst = -1; /* use timezone to figure it out */
 477             seconds = mktime(&tmp);
 478         }
 479     else
 480         seconds = mktimegm(tm) + rtc_date_offset;
 481
 482     return seconds - time(NULL);
 483 }
 484
 485 void rtc_change_mon_event(struct tm *tm)
 486 {
 487     QObject *data;
 488
 489     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 490     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 491     qobject_decref(data);
 492 }
 493
 494 static void configure_rtc_date_offset(const char *startdate, int legacy)
 495 {
 496     time_t rtc_start_date;
 497     struct tm tm;
 498
 499     if (!strcmp(startdate, "now") && legacy) {
 500         rtc_date_offset = -1;
 501     } else {
 502         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 503                    &tm.tm_year,
 504                    &tm.tm_mon,
 505                    &tm.tm_mday,
 506                    &tm.tm_hour,
 507                    &tm.tm_min,
 508                    &tm.tm_sec) == 6) {
 509             /* OK */
 510         } else if (sscanf(startdate, "%d-%d-%d",
 511                           &tm.tm_year,
 512                           &tm.tm_mon,
 513                           &tm.tm_mday) == 3) {
 514             tm.tm_hour = 0;
 515             tm.tm_min = 0;
 516             tm.tm_sec = 0;
 517         } else {
 518             goto date_fail;
 519         }
 520         tm.tm_year -= 1900;
 521         tm.tm_mon--;
 522         rtc_start_date = mktimegm(&tm);
 523         if (rtc_start_date == -1) {
 524         date_fail:
 525             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 526                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 527             exit(1);
 528         }
 529         rtc_date_offset = time(NULL) - rtc_start_date;
 530     }
 531 }
 532
 533 static void configure_rtc(QemuOpts *opts)
 534 {
 535     const char *value;
 536
 537     value = qemu_opt_get(opts, "base");
 538     if (value) {
 539         if (!strcmp(value, "utc")) {
 540             rtc_utc = 1;
 541         } else if (!strcmp(value, "localtime")) {
 542             rtc_utc = 0;
 543         } else {
 544             configure_rtc_date_offset(value, 0);
 545         }
 546     }
 547     value = qemu_opt_get(opts, "clock");
 548     if (value) {
 549         if (!strcmp(value, "host")) {
 550             rtc_clock = host_clock;
 551         } else if (!strcmp(value, "rt")) {
 552             rtc_clock = rt_clock;
 553         } else if (!strcmp(value, "vm")) {
 554             rtc_clock = vm_clock;
 555         } else {
 556             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 557             exit(1);
 558         }
 559     }
 560     value = qemu_opt_get(opts, "driftfix");
 561     if (value) {
 562         if (!strcmp(value, "slew")) {
 563             static GlobalProperty slew_lost_ticks[] = {
 564                 {
 565                     .driver   = "mc146818rtc",
 566                     .property = "lost_tick_policy",
 567                     .value    = "slew",
 568                 },
 569                 { /* end of list */ }
 570             };
 571
 572             qdev_prop_register_global_list(slew_lost_ticks);
 573         } else if (!strcmp(value, "none")) {
 574             /* discard is default */
 575         } else {
 576             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 577             exit(1);
 578         }
 579     }
 580 }
 581
 582 /***********************************************************/
 583 /* Bluetooth support */
 584 static int nb_hcis;
 585 static int cur_hci;
 586 static struct HCIInfo *hci_table[MAX_NICS];
 587
 588 static struct bt_vlan_s {
 589     struct bt_scatternet_s net;
 590     int id;
 591     struct bt_vlan_s *next;
 592 } *first_bt_vlan;
 593
 594 /* find or alloc a new bluetooth "VLAN" */
 595 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 596 {
 597     struct bt_vlan_s **pvlan, *vlan;
 598     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 599         if (vlan->id == id)
 600             return &vlan->net;
 601     }
 602     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 603     vlan->id = id;
 604     pvlan = &first_bt_vlan;
 605     while (*pvlan != NULL)
 606         pvlan = &(*pvlan)->next;
 607     *pvlan = vlan;
 608     return &vlan->net;
 609 }
 610
 611 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 612 {
 613 }
 614
 615 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 616 {
 617     return -ENOTSUP;
 618 }
 619
 620 static struct HCIInfo null_hci = {
 621     .cmd_send = null_hci_send,
 622     .sco_send = null_hci_send,
 623     .acl_send = null_hci_send,
 624     .bdaddr_set = null_hci_addr_set,
 625 };
 626
 627 struct HCIInfo *qemu_next_hci(void)
 628 {
 629     if (cur_hci == nb_hcis)
 630         return &null_hci;
 631
 632     return hci_table[cur_hci++];
 633 }
 634
 635 static struct HCIInfo *hci_init(const char *str)
 636 {
 637     char *endp;
 638     struct bt_scatternet_s *vlan = 0;
 639
 640     if (!strcmp(str, "null"))
 641         /* null */
 642         return &null_hci;
 643     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 644         /* host[:hciN] */
 645         return bt_host_hci(str[4] ? str + 5 : "hci0");
 646     else if (!strncmp(str, "hci", 3)) {
 647         /* hci[,vlan=n] */
 648         if (str[3]) {
 649             if (!strncmp(str + 3, ",vlan=", 6)) {
 650                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 651                 if (*endp)
 652                     vlan = 0;
 653             }
 654         } else
 655             vlan = qemu_find_bt_vlan(0);
 656         if (vlan)
 657            return bt_new_hci(vlan);
 658     }
 659
 660     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 661
 662     return 0;
 663 }
 664
 665 static int bt_hci_parse(const char *str)
 666 {
 667     struct HCIInfo *hci;
 668     bdaddr_t bdaddr;
 669
 670     if (nb_hcis >= MAX_NICS) {
 671         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 672         return -1;
 673     }
 674
 675     hci = hci_init(str);
 676     if (!hci)
 677         return -1;
 678
 679     bdaddr.b[0] = 0x52;
 680     bdaddr.b[1] = 0x54;
 681     bdaddr.b[2] = 0x00;
 682     bdaddr.b[3] = 0x12;
 683     bdaddr.b[4] = 0x34;
 684     bdaddr.b[5] = 0x56 + nb_hcis;
 685     hci->bdaddr_set(hci, bdaddr.b);
 686
 687     hci_table[nb_hcis++] = hci;
 688
 689     return 0;
 690 }
 691
 692 static void bt_vhci_add(int vlan_id)
 693 {
 694     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 695
 696     if (!vlan->slave)
 697         fprintf(stderr, "qemu: warning: adding a VHCI to "
 698                         "an empty scatternet %i\n", vlan_id);
 699
 700     bt_vhci_init(bt_new_hci(vlan));
 701 }
 702
 703 static struct bt_device_s *bt_device_add(const char *opt)
 704 {
 705     struct bt_scatternet_s *vlan;
 706     int vlan_id = 0;
 707     char *endp = strstr(opt, ",vlan=");
 708     int len = (endp ? endp - opt : strlen(opt)) + 1;
 709     char devname[10];
 710
 711     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 712
 713     if (endp) {
 714         vlan_id = strtol(endp + 6, &endp, 0);
 715         if (*endp) {
 716             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 717             return 0;
 718         }
 719     }
 720
 721     vlan = qemu_find_bt_vlan(vlan_id);
 722
 723     if (!vlan->slave)
 724         fprintf(stderr, "qemu: warning: adding a slave device to "
 725                         "an empty scatternet %i\n", vlan_id);
 726
 727     if (!strcmp(devname, "keyboard"))
 728         return bt_keyboard_init(vlan);
 729
 730     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 731     return 0;
 732 }
 733
 734 static int bt_parse(const char *opt)
 735 {
 736     const char *endp, *p;
 737     int vlan;
 738
 739     if (strstart(opt, "hci", &endp)) {
 740         if (!*endp || *endp == ',') {
 741             if (*endp)
 742                 if (!strstart(endp, ",vlan=", 0))
 743                     opt = endp + 1;
 744
 745             return bt_hci_parse(opt);
 746        }
 747     } else if (strstart(opt, "vhci", &endp)) {
 748         if (!*endp || *endp == ',') {
 749             if (*endp) {
 750                 if (strstart(endp, ",vlan=", &p)) {
 751                     vlan = strtol(p, (char **) &endp, 0);
 752                     if (*endp) {
 753                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 754                         return 1;
 755                     }
 756                 } else {
 757                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 758                     return 1;
 759                 }
 760             } else
 761                 vlan = 0;
 762
 763             bt_vhci_add(vlan);
 764             return 0;
 765         }
 766     } else if (strstart(opt, "device:", &endp))
 767         return !bt_device_add(endp);
 768
 769     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 770     return 1;
 771 }
 772
 773 static int parse_sandbox(QemuOpts *opts, void *opaque)
 774 {
 775     /* FIXME: change this to true for 1.3 */
 776     if (qemu_opt_get_bool(opts, "enable", false)) {
 777 #ifdef CONFIG_SECCOMP
 778         if (seccomp_start() < 0) {
 779             qerror_report(ERROR_CLASS_GENERIC_ERROR,
 780                           "failed to install seccomp syscall filter in the kernel");
 781             return -1;
 782         }
 783 #else
 784         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 785                       "sandboxing request but seccomp is not compiled into this build");
 786         return -1;
 787 #endif
 788     }
 789
 790     return 0;
 791 }
 792
 793 /***********************************************************/
 794 /* QEMU Block devices */
 795
 796 #define HD_OPTS "media=disk"
 797 #define CDROM_OPTS "media=cdrom"
 798 #define FD_OPTS ""
 799 #define PFLASH_OPTS ""
 800 #define MTD_OPTS ""
 801 #define SD_OPTS ""
 802
 803 static int drive_init_func(QemuOpts *opts, void *opaque)
 804 {
 805     int *use_scsi = opaque;
 806
 807     return drive_init(opts, *use_scsi) == NULL;
 808 }
 809
 810 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 811 {
 812     if (NULL == qemu_opt_get(opts, "snapshot")) {
 813         qemu_opt_set(opts, "snapshot", "on");
 814     }
 815     return 0;
 816 }
 817
 818 static void default_drive(int enable, int snapshot, int use_scsi,
 819                           BlockInterfaceType type, int index,
 820                           const char *optstr)
 821 {
 822     QemuOpts *opts;
 823
 824     if (type == IF_DEFAULT) {
 825         type = use_scsi ? IF_SCSI : IF_IDE;
 826     }
 827
 828     if (!enable || drive_get_by_index(type, index)) {
 829         return;
 830     }
 831
 832     opts = drive_add(type, index, NULL, optstr);
 833     if (snapshot) {
 834         drive_enable_snapshot(opts, NULL);
 835     }
 836     if (!drive_init(opts, use_scsi)) {
 837         exit(1);
 838     }
 839 }
 840
 841 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 842 {
 843     boot_set_handler = func;
 844     boot_set_opaque = opaque;
 845 }
 846
 847 int qemu_boot_set(const char *boot_devices)
 848 {
 849     if (!boot_set_handler) {
 850         return -EINVAL;
 851     }
 852     return boot_set_handler(boot_set_opaque, boot_devices);
 853 }
 854
 855 static void validate_bootdevices(char *devices)
 856 {
 857     /* We just do some generic consistency checks */
 858     const char *p;
 859     int bitmap = 0;
 860
 861     for (p = devices; *p != '\0'; p++) {
 862         /* Allowed boot devices are:
 863          * a-b: floppy disk drives
 864          * c-f: IDE disk drives
 865          * g-m: machine implementation dependent drives
 866          * n-p: network devices
 867          * It's up to each machine implementation to check if the given boot
 868          * devices match the actual hardware implementation and firmware
 869          * features.
 870          */
 871         if (*p < 'a' || *p > 'p') {
 872             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 873             exit(1);
 874         }
 875         if (bitmap & (1 << (*p - 'a'))) {
 876             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 877             exit(1);
 878         }
 879         bitmap |= 1 << (*p - 'a');
 880     }
 881 }
 882
 883 static void restore_boot_devices(void *opaque)
 884 {
 885     char *standard_boot_devices = opaque;
 886     static int first = 1;
 887
 888     /* Restore boot order and remove ourselves after the first boot */
 889     if (first) {
 890         first = 0;
 891         return;
 892     }
 893
 894     qemu_boot_set(standard_boot_devices);
 895
 896     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 897     g_free(standard_boot_devices);
 898 }
 899
 900 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 901                           const char *suffix)
 902 {
 903     FWBootEntry *node, *i;
 904
 905     if (bootindex < 0) {
 906         return;
 907     }
 908
 909     assert(dev != NULL || suffix != NULL);
 910
 911     node = g_malloc0(sizeof(FWBootEntry));
 912     node->bootindex = bootindex;
 913     node->suffix = suffix ? g_strdup(suffix) : NULL;
 914     node->dev = dev;
 915
 916     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 917         if (i->bootindex == bootindex) {
 918             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 919             exit(1);
 920         } else if (i->bootindex < bootindex) {
 921             continue;
 922         }
 923         QTAILQ_INSERT_BEFORE(i, node, link);
 924         return;
 925     }
 926     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
 927 }
 928
 929 /*
 930  * This function returns null terminated string that consist of new line
 931  * separated device paths.
 932  *
 933  * memory pointed by "size" is assigned total length of the array in bytes
 934  *
 935  */
 936 char *get_boot_devices_list(uint32_t *size)
 937 {
 938     FWBootEntry *i;
 939     uint32_t total = 0;
 940     char *list = NULL;
 941
 942     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 943         char *devpath = NULL, *bootpath;
 944         int len;
 945
 946         if (i->dev) {
 947             devpath = qdev_get_fw_dev_path(i->dev);
 948             assert(devpath);
 949         }
 950
 951         if (i->suffix && devpath) {
 952             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
 953
 954             bootpath = g_malloc(bootpathlen);
 955             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
 956             g_free(devpath);
 957         } else if (devpath) {
 958             bootpath = devpath;
 959         } else {
 960             assert(i->suffix);
 961             bootpath = g_strdup(i->suffix);
 962         }
 963
 964         if (total) {
 965             list[total-1] = '\n';
 966         }
 967         len = strlen(bootpath) + 1;
 968         list = g_realloc(list, total + len);
 969         memcpy(&list[total], bootpath, len);
 970         total += len;
 971         g_free(bootpath);
 972     }
 973
 974     *size = total;
 975
 976     return list;
 977 }
 978
 979 static void numa_add(const char *optarg)
 980 {
 981     char option[128];
 982     char *endptr;
 983     unsigned long long value, endvalue;
 984     int nodenr;
 985
 986     value = endvalue = 0ULL;
 987
 988     optarg = get_opt_name(option, 128, optarg, ',') + 1;
 989     if (!strcmp(option, "node")) {
 990         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
 991             nodenr = nb_numa_nodes;
 992         } else {
 993             nodenr = strtoull(option, NULL, 10);
 994         }
 995
 996         if (get_param_value(option, 128, "mem", optarg) == 0) {
 997             node_mem[nodenr] = 0;
 998         } else {
 999             int64_t sval;
1000             sval = strtosz(option, &endptr);
1001             if (sval < 0 || *endptr) {
1002                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1003                 exit(1);
1004             }
1005             node_mem[nodenr] = sval;
1006         }
1007         if (get_param_value(option, 128, "cpus", optarg) != 0) {
1008             value = strtoull(option, &endptr, 10);
1009             if (*endptr == '-') {
1010                 endvalue = strtoull(endptr+1, &endptr, 10);
1011             } else {
1012                 endvalue = value;
1013             }
1014
1015             if (!(endvalue < MAX_CPUMASK_BITS)) {
1016                 endvalue = MAX_CPUMASK_BITS - 1;
1017                 fprintf(stderr,
1018                     "A max of %d CPUs are supported in a guest\n",
1019                      MAX_CPUMASK_BITS);
1020             }
1021
1022             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1023         }
1024         nb_numa_nodes++;
1025     }
1026     return;
1027 }
1028
1029 static void smp_parse(const char *optarg)
1030 {
1031     int smp, sockets = 0, threads = 0, cores = 0;
1032     char *endptr;
1033     char option[128];
1034
1035     smp = strtoul(optarg, &endptr, 10);
1036     if (endptr != optarg) {
1037         if (*endptr == ',') {
1038             endptr++;
1039         }
1040     }
1041     if (get_param_value(option, 128, "sockets", endptr) != 0)
1042         sockets = strtoull(option, NULL, 10);
1043     if (get_param_value(option, 128, "cores", endptr) != 0)
1044         cores = strtoull(option, NULL, 10);
1045     if (get_param_value(option, 128, "threads", endptr) != 0)
1046         threads = strtoull(option, NULL, 10);
1047     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1048         max_cpus = strtoull(option, NULL, 10);
1049
1050     /* compute missing values, prefer sockets over cores over threads */
1051     if (smp == 0 || sockets == 0) {
1052         sockets = sockets > 0 ? sockets : 1;
1053         cores = cores > 0 ? cores : 1;
1054         threads = threads > 0 ? threads : 1;
1055         if (smp == 0) {
1056             smp = cores * threads * sockets;
1057         }
1058     } else {
1059         if (cores == 0) {
1060             threads = threads > 0 ? threads : 1;
1061             cores = smp / (sockets * threads);
1062         } else {
1063             threads = smp / (cores * sockets);
1064         }
1065     }
1066     smp_cpus = smp;
1067     smp_cores = cores > 0 ? cores : 1;
1068     smp_threads = threads > 0 ? threads : 1;
1069     if (max_cpus == 0)
1070         max_cpus = smp_cpus;
1071 }
1072
1073 /***********************************************************/
1074 /* USB devices */
1075
1076 static int usb_device_add(const char *devname)
1077 {
1078     const char *p;
1079     USBDevice *dev = NULL;
1080
1081     if (!usb_enabled)
1082         return -1;
1083
1084     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1085     dev = usbdevice_create(devname);
1086     if (dev)
1087         goto done;
1088
1089     /* the other ones */
1090 #ifndef CONFIG_LINUX
1091     /* only the linux version is qdev-ified, usb-bsd still needs this */
1092     if (strstart(devname, "host:", &p)) {
1093         dev = usb_host_device_open(usb_bus_find(-1), p);
1094     } else
1095 #endif
1096     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1097         dev = usb_bt_init(usb_bus_find(-1),
1098                           devname[2] ? hci_init(p)
1099                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1100     } else {
1101         return -1;
1102     }
1103     if (!dev)
1104         return -1;
1105
1106 done:
1107     return 0;
1108 }
1109
1110 static int usb_device_del(const char *devname)
1111 {
1112     int bus_num, addr;
1113     const char *p;
1114
1115     if (strstart(devname, "host:", &p))
1116         return usb_host_device_close(p);
1117
1118     if (!usb_enabled)
1119         return -1;
1120
1121     p = strchr(devname, '.');
1122     if (!p)
1123         return -1;
1124     bus_num = strtoul(devname, NULL, 0);
1125     addr = strtoul(p + 1, NULL, 0);
1126
1127     return usb_device_delete_addr(bus_num, addr);
1128 }
1129
1130 static int usb_parse(const char *cmdline)
1131 {
1132     int r;
1133     r = usb_device_add(cmdline);
1134     if (r < 0) {
1135         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1136     }
1137     return r;
1138 }
1139
1140 void do_usb_add(Monitor *mon, const QDict *qdict)
1141 {
1142     const char *devname = qdict_get_str(qdict, "devname");
1143     if (usb_device_add(devname) < 0) {
1144         error_report("could not add USB device '%s'", devname);
1145     }
1146 }
1147
1148 void do_usb_del(Monitor *mon, const QDict *qdict)
1149 {
1150     const char *devname = qdict_get_str(qdict, "devname");
1151     if (usb_device_del(devname) < 0) {
1152         error_report("could not delete USB device '%s'", devname);
1153     }
1154 }
1155
1156 /***********************************************************/
1157 /* PCMCIA/Cardbus */
1158
1159 static struct pcmcia_socket_entry_s {
1160     PCMCIASocket *socket;
1161     struct pcmcia_socket_entry_s *next;
1162 } *pcmcia_sockets = 0;
1163
1164 void pcmcia_socket_register(PCMCIASocket *socket)
1165 {
1166     struct pcmcia_socket_entry_s *entry;
1167
1168     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1169     entry->socket = socket;
1170     entry->next = pcmcia_sockets;
1171     pcmcia_sockets = entry;
1172 }
1173
1174 void pcmcia_socket_unregister(PCMCIASocket *socket)
1175 {
1176     struct pcmcia_socket_entry_s *entry, **ptr;
1177
1178     ptr = &pcmcia_sockets;
1179     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1180         if (entry->socket == socket) {
1181             *ptr = entry->next;
1182             g_free(entry);
1183         }
1184 }
1185
1186 void pcmcia_info(Monitor *mon)
1187 {
1188     struct pcmcia_socket_entry_s *iter;
1189
1190     if (!pcmcia_sockets)
1191         monitor_printf(mon, "No PCMCIA sockets\n");
1192
1193     for (iter = pcmcia_sockets; iter; iter = iter->next)
1194         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1195                        iter->socket->attached ? iter->socket->card_string :
1196                        "Empty");
1197 }
1198
1199 /***********************************************************/
1200 /* machine registration */
1201
1202 static QEMUMachine *first_machine = NULL;
1203 QEMUMachine *current_machine = NULL;
1204
1205 int qemu_register_machine(QEMUMachine *m)
1206 {
1207     QEMUMachine **pm;
1208     pm = &first_machine;
1209     while (*pm != NULL)
1210         pm = &(*pm)->next;
1211     m->next = NULL;
1212     *pm = m;
1213     return 0;
1214 }
1215
1216 static QEMUMachine *find_machine(const char *name)
1217 {
1218     QEMUMachine *m;
1219
1220     for(m = first_machine; m != NULL; m = m->next) {
1221         if (!strcmp(m->name, name))
1222             return m;
1223         if (m->alias && !strcmp(m->alias, name))
1224             return m;
1225     }
1226     return NULL;
1227 }
1228
1229 QEMUMachine *find_default_machine(void)
1230 {
1231     QEMUMachine *m;
1232
1233     for(m = first_machine; m != NULL; m = m->next) {
1234         if (m->is_default) {
1235             return m;
1236         }
1237     }
1238     return NULL;
1239 }
1240
1241 MachineInfoList *qmp_query_machines(Error **errp)
1242 {
1243     MachineInfoList *mach_list = NULL;
1244     QEMUMachine *m;
1245
1246     for (m = first_machine; m; m = m->next) {
1247         MachineInfoList *entry;
1248         MachineInfo *info;
1249
1250         info = g_malloc0(sizeof(*info));
1251         if (m->is_default) {
1252             info->has_is_default = true;
1253             info->is_default = true;
1254         }
1255
1256         if (m->alias) {
1257             info->has_alias = true;
1258             info->alias = g_strdup(m->alias);
1259         }
1260
1261         info->name = g_strdup(m->name);
1262
1263         entry = g_malloc0(sizeof(*entry));
1264         entry->value = info;
1265         entry->next = mach_list;
1266         mach_list = entry;
1267     }
1268
1269     return mach_list;
1270 }
1271
1272 /***********************************************************/
1273 /* main execution loop */
1274
1275 static void gui_update(void *opaque)
1276 {
1277     uint64_t interval = GUI_REFRESH_INTERVAL;
1278     DisplayState *ds = opaque;
1279     DisplayChangeListener *dcl = ds->listeners;
1280
1281     dpy_refresh(ds);
1282
1283     while (dcl != NULL) {
1284         if (dcl->gui_timer_interval &&
1285             dcl->gui_timer_interval < interval)
1286             interval = dcl->gui_timer_interval;
1287         dcl = dcl->next;
1288     }
1289     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1290 }
1291
1292 struct vm_change_state_entry {
1293     VMChangeStateHandler *cb;
1294     void *opaque;
1295     QLIST_ENTRY (vm_change_state_entry) entries;
1296 };
1297
1298 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1299
1300 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1301                                                      void *opaque)
1302 {
1303     VMChangeStateEntry *e;
1304
1305     e = g_malloc0(sizeof (*e));
1306
1307     e->cb = cb;
1308     e->opaque = opaque;
1309     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1310     return e;
1311 }
1312
1313 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1314 {
1315     QLIST_REMOVE (e, entries);
1316     g_free (e);
1317 }
1318
1319 void vm_state_notify(int running, RunState state)
1320 {
1321     VMChangeStateEntry *e;
1322
1323     trace_vm_state_notify(running, state);
1324
1325     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1326         e->cb(e->opaque, running, state);
1327     }
1328 }
1329
1330 void vm_start(void)
1331 {
1332     if (!runstate_is_running()) {
1333         cpu_enable_ticks();
1334         runstate_set(RUN_STATE_RUNNING);
1335         vm_state_notify(1, RUN_STATE_RUNNING);
1336         resume_all_vcpus();
1337         monitor_protocol_event(QEVENT_RESUME, NULL);
1338     }
1339 }
1340
1341 /* reset/shutdown handler */
1342
1343 typedef struct QEMUResetEntry {
1344     QTAILQ_ENTRY(QEMUResetEntry) entry;
1345     QEMUResetHandler *func;
1346     void *opaque;
1347 } QEMUResetEntry;
1348
1349 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1350     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1351 static int reset_requested;
1352 static int shutdown_requested, shutdown_signal = -1;
1353 static pid_t shutdown_pid;
1354 static int powerdown_requested;
1355 static int debug_requested;
1356 static int suspend_requested;
1357 static int wakeup_requested;
1358 static NotifierList powerdown_notifiers =
1359     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1360 static NotifierList suspend_notifiers =
1361     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1362 static NotifierList wakeup_notifiers =
1363     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1364 static uint32_t wakeup_reason_mask = ~0;
1365 static RunState vmstop_requested = RUN_STATE_MAX;
1366
1367 int qemu_shutdown_requested_get(void)
1368 {
1369     return shutdown_requested;
1370 }
1371
1372 int qemu_reset_requested_get(void)
1373 {
1374     return reset_requested;
1375 }
1376
1377 int qemu_shutdown_requested(void)
1378 {
1379     int r = shutdown_requested;
1380     shutdown_requested = 0;
1381     return r;
1382 }
1383
1384 void qemu_kill_report(void)
1385 {
1386     if (!qtest_enabled() && shutdown_signal != -1) {
1387         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1388         if (shutdown_pid == 0) {
1389             /* This happens for eg ^C at the terminal, so it's worth
1390              * avoiding printing an odd message in that case.
1391              */
1392             fputc('\n', stderr);
1393         } else {
1394             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1395         }
1396         shutdown_signal = -1;
1397     }
1398 }
1399
1400 int qemu_reset_requested(void)
1401 {
1402     int r = reset_requested;
1403     reset_requested = 0;
1404     return r;
1405 }
1406
1407 static int qemu_suspend_requested(void)
1408 {
1409     int r = suspend_requested;
1410     suspend_requested = 0;
1411     return r;
1412 }
1413
1414 static int qemu_wakeup_requested(void)
1415 {
1416     int r = wakeup_requested;
1417     wakeup_requested = 0;
1418     return r;
1419 }
1420
1421 int qemu_powerdown_requested(void)
1422 {
1423     int r = powerdown_requested;
1424     powerdown_requested = 0;
1425     return r;
1426 }
1427
1428 static int qemu_debug_requested(void)
1429 {
1430     int r = debug_requested;
1431     debug_requested = 0;
1432     return r;
1433 }
1434
1435 /* We use RUN_STATE_MAX but any invalid value will do */
1436 static bool qemu_vmstop_requested(RunState *r)
1437 {
1438     if (vmstop_requested < RUN_STATE_MAX) {
1439         *r = vmstop_requested;
1440         vmstop_requested = RUN_STATE_MAX;
1441         return true;
1442     }
1443
1444     return false;
1445 }
1446
1447 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1448 {
1449     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1450
1451     re->func = func;
1452     re->opaque = opaque;
1453     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1454 }
1455
1456 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1457 {
1458     QEMUResetEntry *re;
1459
1460     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1461         if (re->func == func && re->opaque == opaque) {
1462             QTAILQ_REMOVE(&reset_handlers, re, entry);
1463             g_free(re);
1464             return;
1465         }
1466     }
1467 }
1468
1469 void qemu_devices_reset(void)
1470 {
1471     QEMUResetEntry *re, *nre;
1472
1473     /* reset all devices */
1474     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1475         re->func(re->opaque);
1476     }
1477 }
1478
1479 void qemu_system_reset(bool report)
1480 {
1481     if (current_machine && current_machine->reset) {
1482         current_machine->reset();
1483     } else {
1484         qemu_devices_reset();
1485     }
1486     if (report) {
1487         monitor_protocol_event(QEVENT_RESET, NULL);
1488     }
1489     cpu_synchronize_all_post_reset();
1490 }
1491
1492 void qemu_system_reset_request(void)
1493 {
1494     if (no_reboot) {
1495         shutdown_requested = 1;
1496     } else {
1497         reset_requested = 1;
1498     }
1499     cpu_stop_current();
1500     qemu_notify_event();
1501 }
1502
1503 static void qemu_system_suspend(void)
1504 {
1505     pause_all_vcpus();
1506     notifier_list_notify(&suspend_notifiers, NULL);
1507     runstate_set(RUN_STATE_SUSPENDED);
1508     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1509 }
1510
1511 void qemu_system_suspend_request(void)
1512 {
1513     if (runstate_check(RUN_STATE_SUSPENDED)) {
1514         return;
1515     }
1516     suspend_requested = 1;
1517     cpu_stop_current();
1518     qemu_notify_event();
1519 }
1520
1521 void qemu_register_suspend_notifier(Notifier *notifier)
1522 {
1523     notifier_list_add(&suspend_notifiers, notifier);
1524 }
1525
1526 void qemu_system_wakeup_request(WakeupReason reason)
1527 {
1528     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1529         return;
1530     }
1531     if (!(wakeup_reason_mask & (1 << reason))) {
1532         return;
1533     }
1534     runstate_set(RUN_STATE_RUNNING);
1535     notifier_list_notify(&wakeup_notifiers, &reason);
1536     wakeup_requested = 1;
1537     qemu_notify_event();
1538 }
1539
1540 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1541 {
1542     if (enabled) {
1543         wakeup_reason_mask |= (1 << reason);
1544     } else {
1545         wakeup_reason_mask &= ~(1 << reason);
1546     }
1547 }
1548
1549 void qemu_register_wakeup_notifier(Notifier *notifier)
1550 {
1551     notifier_list_add(&wakeup_notifiers, notifier);
1552 }
1553
1554 void qemu_system_killed(int signal, pid_t pid)
1555 {
1556     shutdown_signal = signal;
1557     shutdown_pid = pid;
1558     no_shutdown = 0;
1559     qemu_system_shutdown_request();
1560 }
1561
1562 void qemu_system_shutdown_request(void)
1563 {
1564     shutdown_requested = 1;
1565     qemu_notify_event();
1566 }
1567
1568 static void qemu_system_powerdown(void)
1569 {
1570     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1571     notifier_list_notify(&powerdown_notifiers, NULL);
1572 }
1573
1574 void qemu_system_powerdown_request(void)
1575 {
1576     powerdown_requested = 1;
1577     qemu_notify_event();
1578 }
1579
1580 void qemu_register_powerdown_notifier(Notifier *notifier)
1581 {
1582     notifier_list_add(&powerdown_notifiers, notifier);
1583 }
1584
1585 void qemu_system_debug_request(void)
1586 {
1587     debug_requested = 1;
1588     qemu_notify_event();
1589 }
1590
1591 void qemu_system_vmstop_request(RunState state)
1592 {
1593     vmstop_requested = state;
1594     qemu_notify_event();
1595 }
1596
1597 static bool main_loop_should_exit(void)
1598 {
1599     RunState r;
1600     if (qemu_debug_requested()) {
1601         vm_stop(RUN_STATE_DEBUG);
1602     }
1603     if (qemu_suspend_requested()) {
1604         qemu_system_suspend();
1605     }
1606     if (qemu_shutdown_requested()) {
1607         qemu_kill_report();
1608         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1609         if (no_shutdown) {
1610             vm_stop(RUN_STATE_SHUTDOWN);
1611         } else {
1612             return true;
1613         }
1614     }
1615     if (qemu_reset_requested()) {
1616         pause_all_vcpus();
1617         cpu_synchronize_all_states();
1618         qemu_system_reset(VMRESET_REPORT);
1619         resume_all_vcpus();
1620         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1621             runstate_check(RUN_STATE_SHUTDOWN)) {
1622             runstate_set(RUN_STATE_PAUSED);
1623         }
1624     }
1625     if (qemu_wakeup_requested()) {
1626         pause_all_vcpus();
1627         cpu_synchronize_all_states();
1628         qemu_system_reset(VMRESET_SILENT);
1629         resume_all_vcpus();
1630         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1631     }
1632     if (qemu_powerdown_requested()) {
1633         qemu_system_powerdown();
1634     }
1635     if (qemu_vmstop_requested(&r)) {
1636         vm_stop(r);
1637     }
1638     return false;
1639 }
1640
1641 static void main_loop(void)
1642 {
1643     bool nonblocking;
1644     int last_io = 0;
1645 #ifdef CONFIG_PROFILER
1646     int64_t ti;
1647 #endif
1648     do {
1649         nonblocking = !kvm_enabled() && last_io > 0;
1650 #ifdef CONFIG_PROFILER
1651         ti = profile_getclock();
1652 #endif
1653         last_io = main_loop_wait(nonblocking);
1654 #ifdef CONFIG_PROFILER
1655         dev_time += profile_getclock() - ti;
1656 #endif
1657     } while (!main_loop_should_exit());
1658 }
1659
1660 static void version(void)
1661 {
1662     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1663 }
1664
1665 static void help(int exitcode)
1666 {
1667     version();
1668     printf("usage: %s [options] [disk_image]\n\n"
1669            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1670             error_get_progname());
1671
1672 #define QEMU_OPTIONS_GENERATE_HELP
1673 #include "qemu-options-wrapper.h"
1674
1675     printf("\nDuring emulation, the following keys are useful:\n"
1676            "ctrl-alt-f      toggle full screen\n"
1677            "ctrl-alt-n      switch to virtual console 'n'\n"
1678            "ctrl-alt        toggle mouse and keyboard grab\n"
1679            "\n"
1680            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1681
1682     exit(exitcode);
1683 }
1684
1685 #define HAS_ARG 0x0001
1686
1687 typedef struct QEMUOption {
1688     const char *name;
1689     int flags;
1690     int index;
1691     uint32_t arch_mask;
1692 } QEMUOption;
1693
1694 static const QEMUOption qemu_options[] = {
1695     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1696 #define QEMU_OPTIONS_GENERATE_OPTIONS
1697 #include "qemu-options-wrapper.h"
1698     { NULL },
1699 };
1700
1701 static bool vga_available(void)
1702 {
1703     return qdev_exists("VGA") || qdev_exists("isa-vga");
1704 }
1705
1706 static bool cirrus_vga_available(void)
1707 {
1708     return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1709 }
1710
1711 static bool vmware_vga_available(void)
1712 {
1713     return qdev_exists("vmware-svga");
1714 }
1715
1716 static void select_vgahw (const char *p)
1717 {
1718     const char *opts;
1719
1720     vga_interface_type = VGA_NONE;
1721     if (strstart(p, "std", &opts)) {
1722         if (vga_available()) {
1723             vga_interface_type = VGA_STD;
1724         } else {
1725             fprintf(stderr, "Error: standard VGA not available\n");
1726             exit(0);
1727         }
1728     } else if (strstart(p, "cirrus", &opts)) {
1729         if (cirrus_vga_available()) {
1730             vga_interface_type = VGA_CIRRUS;
1731         } else {
1732             fprintf(stderr, "Error: Cirrus VGA not available\n");
1733             exit(0);
1734         }
1735     } else if (strstart(p, "vmware", &opts)) {
1736         if (vmware_vga_available()) {
1737             vga_interface_type = VGA_VMWARE;
1738         } else {
1739             fprintf(stderr, "Error: VMWare SVGA not available\n");
1740             exit(0);
1741         }
1742     } else if (strstart(p, "xenfb", &opts)) {
1743         vga_interface_type = VGA_XENFB;
1744     } else if (strstart(p, "qxl", &opts)) {
1745         vga_interface_type = VGA_QXL;
1746     } else if (!strstart(p, "none", &opts)) {
1747     invalid_vga:
1748         fprintf(stderr, "Unknown vga type: %s\n", p);
1749         exit(1);
1750     }
1751     while (*opts) {
1752         const char *nextopt;
1753
1754         if (strstart(opts, ",retrace=", &nextopt)) {
1755             opts = nextopt;
1756             if (strstart(opts, "dumb", &nextopt))
1757                 vga_retrace_method = VGA_RETRACE_DUMB;
1758             else if (strstart(opts, "precise", &nextopt))
1759                 vga_retrace_method = VGA_RETRACE_PRECISE;
1760             else goto invalid_vga;
1761         } else goto invalid_vga;
1762         opts = nextopt;
1763     }
1764 }
1765
1766 static DisplayType select_display(const char *p)
1767 {
1768     const char *opts;
1769     DisplayType display = DT_DEFAULT;
1770
1771     if (strstart(p, "sdl", &opts)) {
1772 #ifdef CONFIG_SDL
1773         display = DT_SDL;
1774         while (*opts) {
1775             const char *nextopt;
1776
1777             if (strstart(opts, ",frame=", &nextopt)) {
1778                 opts = nextopt;
1779                 if (strstart(opts, "on", &nextopt)) {
1780                     no_frame = 0;
1781                 } else if (strstart(opts, "off", &nextopt)) {
1782                     no_frame = 1;
1783                 } else {
1784                     goto invalid_sdl_args;
1785                 }
1786             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1787                 opts = nextopt;
1788                 if (strstart(opts, "on", &nextopt)) {
1789                     alt_grab = 1;
1790                 } else if (strstart(opts, "off", &nextopt)) {
1791                     alt_grab = 0;
1792                 } else {
1793                     goto invalid_sdl_args;
1794                 }
1795             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1796                 opts = nextopt;
1797                 if (strstart(opts, "on", &nextopt)) {
1798                     ctrl_grab = 1;
1799                 } else if (strstart(opts, "off", &nextopt)) {
1800                     ctrl_grab = 0;
1801                 } else {
1802                     goto invalid_sdl_args;
1803                 }
1804             } else if (strstart(opts, ",window_close=", &nextopt)) {
1805                 opts = nextopt;
1806                 if (strstart(opts, "on", &nextopt)) {
1807                     no_quit = 0;
1808                 } else if (strstart(opts, "off", &nextopt)) {
1809                     no_quit = 1;
1810                 } else {
1811                     goto invalid_sdl_args;
1812                 }
1813             } else {
1814             invalid_sdl_args:
1815                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1816                 exit(1);
1817             }
1818             opts = nextopt;
1819         }
1820 #else
1821         fprintf(stderr, "SDL support is disabled\n");
1822         exit(1);
1823 #endif
1824     } else if (strstart(p, "vnc", &opts)) {
1825 #ifdef CONFIG_VNC
1826         display_remote++;
1827
1828         if (*opts) {
1829             const char *nextopt;
1830
1831             if (strstart(opts, "=", &nextopt)) {
1832                 vnc_display = nextopt;
1833             }
1834         }
1835         if (!vnc_display) {
1836             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1837             exit(1);
1838         }
1839 #else
1840         fprintf(stderr, "VNC support is disabled\n");
1841         exit(1);
1842 #endif
1843     } else if (strstart(p, "curses", &opts)) {
1844 #ifdef CONFIG_CURSES
1845         display = DT_CURSES;
1846 #else
1847         fprintf(stderr, "Curses support is disabled\n");
1848         exit(1);
1849 #endif
1850     } else if (strstart(p, "none", &opts)) {
1851         display = DT_NONE;
1852     } else {
1853         fprintf(stderr, "Unknown display type: %s\n", p);
1854         exit(1);
1855     }
1856
1857     return display;
1858 }
1859
1860 static int balloon_parse(const char *arg)
1861 {
1862     QemuOpts *opts;
1863
1864     if (strcmp(arg, "none") == 0) {
1865         return 0;
1866     }
1867
1868     if (!strncmp(arg, "virtio", 6)) {
1869         if (arg[6] == ',') {
1870             /* have params -> parse them */
1871             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1872             if (!opts)
1873                 return  -1;
1874         } else {
1875             /* create empty opts */
1876             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1877         }
1878         qemu_opt_set(opts, "driver", "virtio-balloon");
1879         return 0;
1880     }
1881
1882     return -1;
1883 }
1884
1885 char *qemu_find_file(int type, const char *name)
1886 {
1887     int len;
1888     const char *subdir;
1889     char *buf;
1890
1891     /* Try the name as a straight path first */
1892     if (access(name, R_OK) == 0) {
1893         return g_strdup(name);
1894     }
1895     switch (type) {
1896     case QEMU_FILE_TYPE_BIOS:
1897         subdir = "";
1898         break;
1899     case QEMU_FILE_TYPE_KEYMAP:
1900         subdir = "keymaps/";
1901         break;
1902     default:
1903         abort();
1904     }
1905     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1906     buf = g_malloc0(len);
1907     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1908     if (access(buf, R_OK)) {
1909         g_free(buf);
1910         return NULL;
1911     }
1912     return buf;
1913 }
1914
1915 static int device_help_func(QemuOpts *opts, void *opaque)
1916 {
1917     return qdev_device_help(opts);
1918 }
1919
1920 static int device_init_func(QemuOpts *opts, void *opaque)
1921 {
1922     DeviceState *dev;
1923
1924     dev = qdev_device_add(opts);
1925     if (!dev)
1926         return -1;
1927     return 0;
1928 }
1929
1930 static int chardev_init_func(QemuOpts *opts, void *opaque)
1931 {
1932     CharDriverState *chr;
1933
1934     chr = qemu_chr_new_from_opts(opts, NULL);
1935     if (!chr)
1936         return -1;
1937     return 0;
1938 }
1939
1940 #ifdef CONFIG_VIRTFS
1941 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1942 {
1943     int ret;
1944     ret = qemu_fsdev_add(opts);
1945
1946     return ret;
1947 }
1948 #endif
1949
1950 static int mon_init_func(QemuOpts *opts, void *opaque)
1951 {
1952     CharDriverState *chr;
1953     const char *chardev;
1954     const char *mode;
1955     int flags;
1956
1957     mode = qemu_opt_get(opts, "mode");
1958     if (mode == NULL) {
1959         mode = "readline";
1960     }
1961     if (strcmp(mode, "readline") == 0) {
1962         flags = MONITOR_USE_READLINE;
1963     } else if (strcmp(mode, "control") == 0) {
1964         flags = MONITOR_USE_CONTROL;
1965     } else {
1966         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1967         exit(1);
1968     }
1969
1970     if (qemu_opt_get_bool(opts, "pretty", 0))
1971         flags |= MONITOR_USE_PRETTY;
1972
1973     if (qemu_opt_get_bool(opts, "default", 0))
1974         flags |= MONITOR_IS_DEFAULT;
1975
1976     chardev = qemu_opt_get(opts, "chardev");
1977     chr = qemu_chr_find(chardev);
1978     if (chr == NULL) {
1979         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1980         exit(1);
1981     }
1982
1983     monitor_init(chr, flags);
1984     return 0;
1985 }
1986
1987 static void monitor_parse(const char *optarg, const char *mode)
1988 {
1989     static int monitor_device_index = 0;
1990     QemuOpts *opts;
1991     const char *p;
1992     char label[32];
1993     int def = 0;
1994
1995     if (strstart(optarg, "chardev:", &p)) {
1996         snprintf(label, sizeof(label), "%s", p);
1997     } else {
1998         snprintf(label, sizeof(label), "compat_monitor%d",
1999                  monitor_device_index);
2000         if (monitor_device_index == 0) {
2001             def = 1;
2002         }
2003         opts = qemu_chr_parse_compat(label, optarg);
2004         if (!opts) {
2005             fprintf(stderr, "parse error: %s\n", optarg);
2006             exit(1);
2007         }
2008     }
2009
2010     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2011     if (!opts) {
2012         fprintf(stderr, "duplicate chardev: %s\n", label);
2013         exit(1);
2014     }
2015     qemu_opt_set(opts, "mode", mode);
2016     qemu_opt_set(opts, "chardev", label);
2017     if (def)
2018         qemu_opt_set(opts, "default", "on");
2019     monitor_device_index++;
2020 }
2021
2022 struct device_config {
2023     enum {
2024         DEV_USB,       /* -usbdevice     */
2025         DEV_BT,        /* -bt            */
2026         DEV_SERIAL,    /* -serial        */
2027         DEV_PARALLEL,  /* -parallel      */
2028         DEV_VIRTCON,   /* -virtioconsole */
2029         DEV_DEBUGCON,  /* -debugcon */
2030         DEV_GDB,       /* -gdb, -s */
2031     } type;
2032     const char *cmdline;
2033     Location loc;
2034     QTAILQ_ENTRY(device_config) next;
2035 };
2036 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2037
2038 static void add_device_config(int type, const char *cmdline)
2039 {
2040     struct device_config *conf;
2041
2042     conf = g_malloc0(sizeof(*conf));
2043     conf->type = type;
2044     conf->cmdline = cmdline;
2045     loc_save(&conf->loc);
2046     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2047 }
2048
2049 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2050 {
2051     struct device_config *conf;
2052     int rc;
2053
2054     QTAILQ_FOREACH(conf, &device_configs, next) {
2055         if (conf->type != type)
2056             continue;
2057         loc_push_restore(&conf->loc);
2058         rc = func(conf->cmdline);
2059         loc_pop(&conf->loc);
2060         if (0 != rc)
2061             return rc;
2062     }
2063     return 0;
2064 }
2065
2066 static int serial_parse(const char *devname)
2067 {
2068     static int index = 0;
2069     char label[32];
2070
2071     if (strcmp(devname, "none") == 0)
2072         return 0;
2073     if (index == MAX_SERIAL_PORTS) {
2074         fprintf(stderr, "qemu: too many serial ports\n");
2075         exit(1);
2076     }
2077     snprintf(label, sizeof(label), "serial%d", index);
2078     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2079     if (!serial_hds[index]) {
2080         fprintf(stderr, "qemu: could not connect serial device"
2081                 " to character backend '%s'\n", devname);
2082         return -1;
2083     }
2084     index++;
2085     return 0;
2086 }
2087
2088 static int parallel_parse(const char *devname)
2089 {
2090     static int index = 0;
2091     char label[32];
2092
2093     if (strcmp(devname, "none") == 0)
2094         return 0;
2095     if (index == MAX_PARALLEL_PORTS) {
2096         fprintf(stderr, "qemu: too many parallel ports\n");
2097         exit(1);
2098     }
2099     snprintf(label, sizeof(label), "parallel%d", index);
2100     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2101     if (!parallel_hds[index]) {
2102         fprintf(stderr, "qemu: could not connect parallel device"
2103                 " to character backend '%s'\n", devname);
2104         return -1;
2105     }
2106     index++;
2107     return 0;
2108 }
2109
2110 static int virtcon_parse(const char *devname)
2111 {
2112     QemuOptsList *device = qemu_find_opts("device");
2113     static int index = 0;
2114     char label[32];
2115     QemuOpts *bus_opts, *dev_opts;
2116
2117     if (strcmp(devname, "none") == 0)
2118         return 0;
2119     if (index == MAX_VIRTIO_CONSOLES) {
2120         fprintf(stderr, "qemu: too many virtio consoles\n");
2121         exit(1);
2122     }
2123
2124     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2125     if (arch_type == QEMU_ARCH_S390X) {
2126         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2127     } else {
2128         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2129     }
2130
2131     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2132     qemu_opt_set(dev_opts, "driver", "virtconsole");
2133
2134     snprintf(label, sizeof(label), "virtcon%d", index);
2135     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2136     if (!virtcon_hds[index]) {
2137         fprintf(stderr, "qemu: could not connect virtio console"
2138                 " to character backend '%s'\n", devname);
2139         return -1;
2140     }
2141     qemu_opt_set(dev_opts, "chardev", label);
2142
2143     index++;
2144     return 0;
2145 }
2146
2147 static int debugcon_parse(const char *devname)
2148 {
2149     QemuOpts *opts;
2150
2151     if (!qemu_chr_new("debugcon", devname, NULL)) {
2152         exit(1);
2153     }
2154     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2155     if (!opts) {
2156         fprintf(stderr, "qemu: already have a debugcon device\n");
2157         exit(1);
2158     }
2159     qemu_opt_set(opts, "driver", "isa-debugcon");
2160     qemu_opt_set(opts, "chardev", "debugcon");
2161     return 0;
2162 }
2163
2164 static QEMUMachine *machine_parse(const char *name)
2165 {
2166     QEMUMachine *m, *machine = NULL;
2167
2168     if (name) {
2169         machine = find_machine(name);
2170     }
2171     if (machine) {
2172         return machine;
2173     }
2174     printf("Supported machines are:\n");
2175     for (m = first_machine; m != NULL; m = m->next) {
2176         if (m->alias) {
2177             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2178         }
2179         printf("%-20s %s%s\n", m->name, m->desc,
2180                m->is_default ? " (default)" : "");
2181     }
2182     exit(!name || !is_help_option(name));
2183 }
2184
2185 static int tcg_init(void)
2186 {
2187     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2188     return 0;
2189 }
2190
2191 static struct {
2192     const char *opt_name;
2193     const char *name;
2194     int (*available)(void);
2195     int (*init)(void);
2196     int *allowed;
2197 } accel_list[] = {
2198     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2199     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2200     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2201     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2202 };
2203
2204 static int configure_accelerator(void)
2205 {
2206     const char *p = NULL;
2207     char buf[10];
2208     int i, ret;
2209     bool accel_initialised = 0;
2210     bool init_failed = 0;
2211
2212     QemuOptsList *list = qemu_find_opts("machine");
2213     if (!QTAILQ_EMPTY(&list->head)) {
2214         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2215     }
2216
2217     if (p == NULL) {
2218         /* Use the default "accelerator", tcg */
2219         p = "tcg";
2220     }
2221
2222     while (!accel_initialised && *p != '\0') {
2223         if (*p == ':') {
2224             p++;
2225         }
2226         p = get_opt_name(buf, sizeof (buf), p, ':');
2227         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2228             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2229                 *(accel_list[i].allowed) = 1;
2230                 ret = accel_list[i].init();
2231                 if (ret < 0) {
2232                     init_failed = 1;
2233                     if (!accel_list[i].available()) {
2234                         printf("%s not supported for this target\n",
2235                                accel_list[i].name);
2236                     } else {
2237                         fprintf(stderr, "failed to initialize %s: %s\n",
2238                                 accel_list[i].name,
2239                                 strerror(-ret));
2240                     }
2241                     *(accel_list[i].allowed) = 0;
2242                 } else {
2243                     accel_initialised = 1;
2244                 }
2245                 break;
2246             }
2247         }
2248         if (i == ARRAY_SIZE(accel_list)) {
2249             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2250         }
2251     }
2252
2253     if (!accel_initialised) {
2254         fprintf(stderr, "No accelerator found!\n");
2255         exit(1);
2256     }
2257
2258     if (init_failed) {
2259         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2260     }
2261
2262     return !accel_initialised;
2263 }
2264
2265 void qemu_add_exit_notifier(Notifier *notify)
2266 {
2267     notifier_list_add(&exit_notifiers, notify);
2268 }
2269
2270 void qemu_remove_exit_notifier(Notifier *notify)
2271 {
2272     notifier_remove(notify);
2273 }
2274
2275 static void qemu_run_exit_notifiers(void)
2276 {
2277     notifier_list_notify(&exit_notifiers, NULL);
2278 }
2279
2280 void qemu_add_machine_init_done_notifier(Notifier *notify)
2281 {
2282     notifier_list_add(&machine_init_done_notifiers, notify);
2283 }
2284
2285 static void qemu_run_machine_init_done_notifiers(void)
2286 {
2287     notifier_list_notify(&machine_init_done_notifiers, NULL);
2288 }
2289
2290 static const QEMUOption *lookup_opt(int argc, char **argv,
2291                                     const char **poptarg, int *poptind)
2292 {
2293     const QEMUOption *popt;
2294     int optind = *poptind;
2295     char *r = argv[optind];
2296     const char *optarg;
2297
2298     loc_set_cmdline(argv, optind, 1);
2299     optind++;
2300     /* Treat --foo the same as -foo.  */
2301     if (r[1] == '-')
2302         r++;
2303     popt = qemu_options;
2304     for(;;) {
2305         if (!popt->name) {
2306             error_report("invalid option");
2307             exit(1);
2308         }
2309         if (!strcmp(popt->name, r + 1))
2310             break;
2311         popt++;
2312     }
2313     if (popt->flags & HAS_ARG) {
2314         if (optind >= argc) {
2315             error_report("requires an argument");
2316             exit(1);
2317         }
2318         optarg = argv[optind++];
2319         loc_set_cmdline(argv, optind - 2, 2);
2320     } else {
2321         optarg = NULL;
2322     }
2323
2324     *poptarg = optarg;
2325     *poptind = optind;
2326
2327     return popt;
2328 }
2329
2330 static gpointer malloc_and_trace(gsize n_bytes)
2331 {
2332     void *ptr = malloc(n_bytes);
2333     trace_g_malloc(n_bytes, ptr);
2334     return ptr;
2335 }
2336
2337 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2338 {
2339     void *ptr = realloc(mem, n_bytes);
2340     trace_g_realloc(mem, n_bytes, ptr);
2341     return ptr;
2342 }
2343
2344 static void free_and_trace(gpointer mem)
2345 {
2346     trace_g_free(mem);
2347     free(mem);
2348 }
2349
2350 int qemu_init_main_loop(void)
2351 {
2352     return main_loop_init();
2353 }
2354
2355 int main(int argc, char **argv, char **envp)
2356 {
2357     int i;
2358     int snapshot, linux_boot;
2359     const char *icount_option = NULL;
2360     const char *initrd_filename;
2361     const char *kernel_filename, *kernel_cmdline;
2362     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2363     DisplayState *ds;
2364     DisplayChangeListener *dcl;
2365     int cyls, heads, secs, translation;
2366     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2367     QemuOptsList *olist;
2368     int optind;
2369     const char *optarg;
2370     const char *loadvm = NULL;
2371     QEMUMachine *machine;
2372     const char *cpu_model;
2373     const char *vga_model = "none";
2374     const char *pid_file = NULL;
2375     const char *incoming = NULL;
2376 #ifdef CONFIG_VNC
2377     int show_vnc_port = 0;
2378 #endif
2379     bool defconfig = true;
2380     bool userconfig = true;
2381     const char *log_mask = NULL;
2382     const char *log_file = NULL;
2383     GMemVTable mem_trace = {
2384         .malloc = malloc_and_trace,
2385         .realloc = realloc_and_trace,
2386         .free = free_and_trace,
2387     };
2388     const char *trace_events = NULL;
2389     const char *trace_file = NULL;
2390
2391     atexit(qemu_run_exit_notifiers);
2392     error_set_progname(argv[0]);
2393
2394     g_mem_set_vtable(&mem_trace);
2395     if (!g_thread_supported()) {
2396 #if !GLIB_CHECK_VERSION(2, 31, 0)
2397         g_thread_init(NULL);
2398 #else
2399         fprintf(stderr, "glib threading failed to initialize.\n");
2400         exit(1);
2401 #endif
2402     }
2403
2404     module_call_init(MODULE_INIT_QOM);
2405
2406     runstate_init();
2407
2408     init_clocks();
2409     rtc_clock = host_clock;
2410
2411     qemu_cache_utils_init(envp);
2412
2413     QLIST_INIT (&vm_change_state_head);
2414     os_setup_early_signal_handling();
2415
2416     module_call_init(MODULE_INIT_MACHINE);
2417     machine = find_default_machine();
2418     cpu_model = NULL;
2419     ram_size = 0;
2420     snapshot = 0;
2421     cyls = heads = secs = 0;
2422     translation = BIOS_ATA_TRANSLATION_AUTO;
2423
2424     for (i = 0; i < MAX_NODES; i++) {
2425         node_mem[i] = 0;
2426         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2427     }
2428
2429     nb_numa_nodes = 0;
2430     nb_nics = 0;
2431
2432     autostart= 1;
2433
2434     /* first pass of option parsing */
2435     optind = 1;
2436     while (optind < argc) {
2437         if (argv[optind][0] != '-') {
2438             /* disk image */
2439             optind++;
2440             continue;
2441         } else {
2442             const QEMUOption *popt;
2443
2444             popt = lookup_opt(argc, argv, &optarg, &optind);
2445             switch (popt->index) {
2446             case QEMU_OPTION_nodefconfig:
2447                 defconfig = false;
2448                 break;
2449             case QEMU_OPTION_nouserconfig:
2450                 userconfig = false;
2451                 break;
2452             }
2453         }
2454     }
2455
2456     if (defconfig) {
2457         int ret;
2458         ret = qemu_read_default_config_files(userconfig);
2459         if (ret < 0) {
2460             exit(1);
2461         }
2462     }
2463
2464     /* second pass of option parsing */
2465     optind = 1;
2466     for(;;) {
2467         if (optind >= argc)
2468             break;
2469         if (argv[optind][0] != '-') {
2470             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2471         } else {
2472             const QEMUOption *popt;
2473
2474             popt = lookup_opt(argc, argv, &optarg, &optind);
2475             if (!(popt->arch_mask & arch_type)) {
2476                 printf("Option %s not supported for this target\n", popt->name);
2477                 exit(1);
2478             }
2479             switch(popt->index) {
2480             case QEMU_OPTION_M:
2481                 machine = machine_parse(optarg);
2482                 break;
2483             case QEMU_OPTION_cpu:
2484                 /* hw initialization will check this */
2485                 cpu_model = optarg;
2486                 break;
2487             case QEMU_OPTION_hda:
2488                 {
2489                     char buf[256];
2490                     if (cyls == 0)
2491                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2492                     else
2493                         snprintf(buf, sizeof(buf),
2494                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2495                                  HD_OPTS , cyls, heads, secs,
2496                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2497                                  ",trans=lba" :
2498                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2499                                  ",trans=none" : "");
2500                     drive_add(IF_DEFAULT, 0, optarg, buf);
2501                     break;
2502                 }
2503             case QEMU_OPTION_hdb:
2504             case QEMU_OPTION_hdc:
2505             case QEMU_OPTION_hdd:
2506                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2507                           HD_OPTS);
2508                 break;
2509             case QEMU_OPTION_drive:
2510                 if (drive_def(optarg) == NULL) {
2511                     exit(1);
2512                 }
2513                 break;
2514             case QEMU_OPTION_set:
2515                 if (qemu_set_option(optarg) != 0)
2516                     exit(1);
2517                 break;
2518             case QEMU_OPTION_global:
2519                 if (qemu_global_option(optarg) != 0)
2520                     exit(1);
2521                 break;
2522             case QEMU_OPTION_mtdblock:
2523                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2524                 break;
2525             case QEMU_OPTION_sd:
2526                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2527                 break;
2528             case QEMU_OPTION_pflash:
2529                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2530                 break;
2531             case QEMU_OPTION_snapshot:
2532                 snapshot = 1;
2533                 break;
2534             case QEMU_OPTION_hdachs:
2535                 {
2536                     const char *p;
2537                     p = optarg;
2538                     cyls = strtol(p, (char **)&p, 0);
2539                     if (cyls < 1 || cyls > 16383)
2540                         goto chs_fail;
2541                     if (*p != ',')
2542                         goto chs_fail;
2543                     p++;
2544                     heads = strtol(p, (char **)&p, 0);
2545                     if (heads < 1 || heads > 16)
2546                         goto chs_fail;
2547                     if (*p != ',')
2548                         goto chs_fail;
2549                     p++;
2550                     secs = strtol(p, (char **)&p, 0);
2551                     if (secs < 1 || secs > 63)
2552                         goto chs_fail;
2553                     if (*p == ',') {
2554                         p++;
2555                         if (!strcmp(p, "none"))
2556                             translation = BIOS_ATA_TRANSLATION_NONE;
2557                         else if (!strcmp(p, "lba"))
2558                             translation = BIOS_ATA_TRANSLATION_LBA;
2559                         else if (!strcmp(p, "auto"))
2560                             translation = BIOS_ATA_TRANSLATION_AUTO;
2561                         else
2562                             goto chs_fail;
2563                     } else if (*p != '\0') {
2564                     chs_fail:
2565                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2566                         exit(1);
2567                     }
2568                     if (hda_opts != NULL) {
2569                         char num[16];
2570                         snprintf(num, sizeof(num), "%d", cyls);
2571                         qemu_opt_set(hda_opts, "cyls", num);
2572                         snprintf(num, sizeof(num), "%d", heads);
2573                         qemu_opt_set(hda_opts, "heads", num);
2574                         snprintf(num, sizeof(num), "%d", secs);
2575                         qemu_opt_set(hda_opts, "secs", num);
2576                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2577                             qemu_opt_set(hda_opts, "trans", "lba");
2578                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2579                             qemu_opt_set(hda_opts, "trans", "none");
2580                     }
2581                 }
2582                 break;
2583             case QEMU_OPTION_numa:
2584                 if (nb_numa_nodes >= MAX_NODES) {
2585                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2586                     exit(1);
2587                 }
2588                 numa_add(optarg);
2589                 break;
2590             case QEMU_OPTION_display:
2591                 display_type = select_display(optarg);
2592                 break;
2593             case QEMU_OPTION_nographic:
2594                 display_type = DT_NOGRAPHIC;
2595                 break;
2596             case QEMU_OPTION_curses:
2597 #ifdef CONFIG_CURSES
2598                 display_type = DT_CURSES;
2599 #else
2600                 fprintf(stderr, "Curses support is disabled\n");
2601                 exit(1);
2602 #endif
2603                 break;
2604             case QEMU_OPTION_portrait:
2605                 graphic_rotate = 90;
2606                 break;
2607             case QEMU_OPTION_rotate:
2608                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2609                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2610                     graphic_rotate != 180 && graphic_rotate != 270) {
2611                     fprintf(stderr,
2612                         "qemu: only 90, 180, 270 deg rotation is available\n");
2613                     exit(1);
2614                 }
2615                 break;
2616             case QEMU_OPTION_kernel:
2617                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2618                 break;
2619             case QEMU_OPTION_initrd:
2620                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2621                 break;
2622             case QEMU_OPTION_append:
2623                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2624                 break;
2625             case QEMU_OPTION_dtb:
2626                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2627                 break;
2628             case QEMU_OPTION_cdrom:
2629                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2630                 break;
2631             case QEMU_OPTION_boot:
2632                 {
2633                     static const char * const params[] = {
2634                         "order", "once", "menu",
2635                         "splash", "splash-time",
2636                         "reboot-timeout", NULL
2637                     };
2638                     char buf[sizeof(boot_devices)];
2639                     char *standard_boot_devices;
2640                     int legacy = 0;
2641
2642                     if (!strchr(optarg, '=')) {
2643                         legacy = 1;
2644                         pstrcpy(buf, sizeof(buf), optarg);
2645                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2646                         fprintf(stderr,
2647                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2648                                 buf, optarg);
2649                         exit(1);
2650                     }
2651
2652                     if (legacy ||
2653                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2654                         validate_bootdevices(buf);
2655                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2656                     }
2657                     if (!legacy) {
2658                         if (get_param_value(buf, sizeof(buf),
2659                                             "once", optarg)) {
2660                             validate_bootdevices(buf);
2661                             standard_boot_devices = g_strdup(boot_devices);
2662                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2663                             qemu_register_reset(restore_boot_devices,
2664                                                 standard_boot_devices);
2665                         }
2666                         if (get_param_value(buf, sizeof(buf),
2667                                             "menu", optarg)) {
2668                             if (!strcmp(buf, "on")) {
2669                                 boot_menu = 1;
2670                             } else if (!strcmp(buf, "off")) {
2671                                 boot_menu = 0;
2672                             } else {
2673                                 fprintf(stderr,
2674                                         "qemu: invalid option value '%s'\n",
2675                                         buf);
2676                                 exit(1);
2677                             }
2678                         }
2679                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2680                                         optarg, 0);
2681                     }
2682                 }
2683                 break;
2684             case QEMU_OPTION_fda:
2685             case QEMU_OPTION_fdb:
2686                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2687                           optarg, FD_OPTS);
2688                 break;
2689             case QEMU_OPTION_no_fd_bootchk:
2690                 fd_bootchk = 0;
2691                 break;
2692             case QEMU_OPTION_netdev:
2693                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2694                     exit(1);
2695                 }
2696                 break;
2697             case QEMU_OPTION_net:
2698                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2699                     exit(1);
2700                 }
2701                 break;
2702 #ifdef CONFIG_LIBISCSI
2703             case QEMU_OPTION_iscsi:
2704                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2705                 if (!opts) {
2706                     exit(1);
2707                 }
2708                 break;
2709 #endif
2710 #ifdef CONFIG_SLIRP
2711             case QEMU_OPTION_tftp:
2712                 legacy_tftp_prefix = optarg;
2713                 break;
2714             case QEMU_OPTION_bootp:
2715                 legacy_bootp_filename = optarg;
2716                 break;
2717             case QEMU_OPTION_redir:
2718                 if (net_slirp_redir(optarg) < 0)
2719                     exit(1);
2720                 break;
2721 #endif
2722             case QEMU_OPTION_bt:
2723                 add_device_config(DEV_BT, optarg);
2724                 break;
2725             case QEMU_OPTION_audio_help:
2726                 if (!(audio_available())) {
2727                     printf("Option %s not supported for this target\n", popt->name);
2728                     exit(1);
2729                 }
2730                 AUD_help ();
2731                 exit (0);
2732                 break;
2733             case QEMU_OPTION_soundhw:
2734                 if (!(audio_available())) {
2735                     printf("Option %s not supported for this target\n", popt->name);
2736                     exit(1);
2737                 }
2738                 select_soundhw (optarg);
2739                 break;
2740             case QEMU_OPTION_h:
2741                 help(0);
2742                 break;
2743             case QEMU_OPTION_version:
2744                 version();
2745                 exit(0);
2746                 break;
2747             case QEMU_OPTION_m: {
2748                 int64_t value;
2749                 uint64_t sz;
2750                 char *end;
2751
2752                 value = strtosz(optarg, &end);
2753                 if (value < 0 || *end) {
2754                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2755                     exit(1);
2756                 }
2757                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2758                 ram_size = sz;
2759                 if (ram_size != sz) {
2760                     fprintf(stderr, "qemu: ram size too large\n");
2761                     exit(1);
2762                 }
2763                 break;
2764             }
2765             case QEMU_OPTION_mempath:
2766                 mem_path = optarg;
2767                 break;
2768 #ifdef MAP_POPULATE
2769             case QEMU_OPTION_mem_prealloc:
2770                 mem_prealloc = 1;
2771                 break;
2772 #endif
2773             case QEMU_OPTION_d:
2774                 log_mask = optarg;
2775                 break;
2776             case QEMU_OPTION_D:
2777                 log_file = optarg;
2778                 break;
2779             case QEMU_OPTION_s:
2780                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2781                 break;
2782             case QEMU_OPTION_gdb:
2783                 add_device_config(DEV_GDB, optarg);
2784                 break;
2785             case QEMU_OPTION_L:
2786                 data_dir = optarg;
2787                 break;
2788             case QEMU_OPTION_bios:
2789                 bios_name = optarg;
2790                 break;
2791             case QEMU_OPTION_singlestep:
2792                 singlestep = 1;
2793                 break;
2794             case QEMU_OPTION_S:
2795                 autostart = 0;
2796                 break;
2797             case QEMU_OPTION_k:
2798                 keyboard_layout = optarg;
2799                 break;
2800             case QEMU_OPTION_localtime:
2801                 rtc_utc = 0;
2802                 break;
2803             case QEMU_OPTION_vga:
2804                 vga_model = optarg;
2805                 default_vga = 0;
2806                 break;
2807             case QEMU_OPTION_g:
2808                 {
2809                     const char *p;
2810                     int w, h, depth;
2811                     p = optarg;
2812                     w = strtol(p, (char **)&p, 10);
2813                     if (w <= 0) {
2814                     graphic_error:
2815                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2816                         exit(1);
2817                     }
2818                     if (*p != 'x')
2819                         goto graphic_error;
2820                     p++;
2821                     h = strtol(p, (char **)&p, 10);
2822                     if (h <= 0)
2823                         goto graphic_error;
2824                     if (*p == 'x') {
2825                         p++;
2826                         depth = strtol(p, (char **)&p, 10);
2827                         if (depth != 8 && depth != 15 && depth != 16 &&
2828                             depth != 24 && depth != 32)
2829                             goto graphic_error;
2830                     } else if (*p == '\0') {
2831                         depth = graphic_depth;
2832                     } else {
2833                         goto graphic_error;
2834                     }
2835
2836                     graphic_width = w;
2837                     graphic_height = h;
2838                     graphic_depth = depth;
2839                 }
2840                 break;
2841             case QEMU_OPTION_echr:
2842                 {
2843                     char *r;
2844                     term_escape_char = strtol(optarg, &r, 0);
2845                     if (r == optarg)
2846                         printf("Bad argument to echr\n");
2847                     break;
2848                 }
2849             case QEMU_OPTION_monitor:
2850                 monitor_parse(optarg, "readline");
2851                 default_monitor = 0;
2852                 break;
2853             case QEMU_OPTION_qmp:
2854                 monitor_parse(optarg, "control");
2855                 default_monitor = 0;
2856                 break;
2857             case QEMU_OPTION_mon:
2858                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2859                 if (!opts) {
2860                     exit(1);
2861                 }
2862                 default_monitor = 0;
2863                 break;
2864             case QEMU_OPTION_chardev:
2865                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2866                 if (!opts) {
2867                     exit(1);
2868                 }
2869                 break;
2870             case QEMU_OPTION_fsdev:
2871                 olist = qemu_find_opts("fsdev");
2872                 if (!olist) {
2873                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2874                     exit(1);
2875                 }
2876                 opts = qemu_opts_parse(olist, optarg, 1);
2877                 if (!opts) {
2878                     fprintf(stderr, "parse error: %s\n", optarg);
2879                     exit(1);
2880                 }
2881                 break;
2882             case QEMU_OPTION_virtfs: {
2883                 QemuOpts *fsdev;
2884                 QemuOpts *device;
2885                 const char *writeout, *sock_fd, *socket;
2886
2887                 olist = qemu_find_opts("virtfs");
2888                 if (!olist) {
2889                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2890                     exit(1);
2891                 }
2892                 opts = qemu_opts_parse(olist, optarg, 1);
2893                 if (!opts) {
2894                     fprintf(stderr, "parse error: %s\n", optarg);
2895                     exit(1);
2896                 }
2897
2898                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2899                     qemu_opt_get(opts, "mount_tag") == NULL) {
2900                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2901                     exit(1);
2902                 }
2903                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2904                                          qemu_opt_get(opts, "mount_tag"),
2905                                          1, NULL);
2906                 if (!fsdev) {
2907                     fprintf(stderr, "duplicate fsdev id: %s\n",
2908                             qemu_opt_get(opts, "mount_tag"));
2909                     exit(1);
2910                 }
2911
2912                 writeout = qemu_opt_get(opts, "writeout");
2913                 if (writeout) {
2914 #ifdef CONFIG_SYNC_FILE_RANGE
2915                     qemu_opt_set(fsdev, "writeout", writeout);
2916 #else
2917                     fprintf(stderr, "writeout=immediate not supported on "
2918                             "this platform\n");
2919                     exit(1);
2920 #endif
2921                 }
2922                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2923                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2924                 qemu_opt_set(fsdev, "security_model",
2925                              qemu_opt_get(opts, "security_model"));
2926                 socket = qemu_opt_get(opts, "socket");
2927                 if (socket) {
2928                     qemu_opt_set(fsdev, "socket", socket);
2929                 }
2930                 sock_fd = qemu_opt_get(opts, "sock_fd");
2931                 if (sock_fd) {
2932                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2933                 }
2934
2935                 qemu_opt_set_bool(fsdev, "readonly",
2936                                 qemu_opt_get_bool(opts, "readonly", 0));
2937                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2938                                           NULL);
2939                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2940                 qemu_opt_set(device, "fsdev",
2941                              qemu_opt_get(opts, "mount_tag"));
2942                 qemu_opt_set(device, "mount_tag",
2943                              qemu_opt_get(opts, "mount_tag"));
2944                 break;
2945             }
2946             case QEMU_OPTION_virtfs_synth: {
2947                 QemuOpts *fsdev;
2948                 QemuOpts *device;
2949
2950                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2951                                          1, NULL);
2952                 if (!fsdev) {
2953                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2954                     exit(1);
2955                 }
2956                 qemu_opt_set(fsdev, "fsdriver", "synth");
2957
2958                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2959                                           NULL);
2960                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2961                 qemu_opt_set(device, "fsdev", "v_synth");
2962                 qemu_opt_set(device, "mount_tag", "v_synth");
2963                 break;
2964             }
2965             case QEMU_OPTION_serial:
2966                 add_device_config(DEV_SERIAL, optarg);
2967                 default_serial = 0;
2968                 if (strncmp(optarg, "mon:", 4) == 0) {
2969                     default_monitor = 0;
2970                 }
2971                 break;
2972             case QEMU_OPTION_watchdog:
2973                 if (watchdog) {
2974                     fprintf(stderr,
2975                             "qemu: only one watchdog option may be given\n");
2976                     return 1;
2977                 }
2978                 watchdog = optarg;
2979                 break;
2980             case QEMU_OPTION_watchdog_action:
2981                 if (select_watchdog_action(optarg) == -1) {
2982                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2983                     exit(1);
2984                 }
2985                 break;
2986             case QEMU_OPTION_virtiocon:
2987                 add_device_config(DEV_VIRTCON, optarg);
2988                 default_virtcon = 0;
2989                 if (strncmp(optarg, "mon:", 4) == 0) {
2990                     default_monitor = 0;
2991                 }
2992                 break;
2993             case QEMU_OPTION_parallel:
2994                 add_device_config(DEV_PARALLEL, optarg);
2995                 default_parallel = 0;
2996                 if (strncmp(optarg, "mon:", 4) == 0) {
2997                     default_monitor = 0;
2998                 }
2999                 break;
3000             case QEMU_OPTION_debugcon:
3001                 add_device_config(DEV_DEBUGCON, optarg);
3002                 break;
3003             case QEMU_OPTION_loadvm:
3004                 loadvm = optarg;
3005                 break;
3006             case QEMU_OPTION_full_screen:
3007                 full_screen = 1;
3008                 break;
3009 #ifdef CONFIG_SDL
3010             case QEMU_OPTION_no_frame:
3011                 no_frame = 1;
3012                 break;
3013             case QEMU_OPTION_alt_grab:
3014                 alt_grab = 1;
3015                 break;
3016             case QEMU_OPTION_ctrl_grab:
3017                 ctrl_grab = 1;
3018                 break;
3019             case QEMU_OPTION_no_quit:
3020                 no_quit = 1;
3021                 break;
3022             case QEMU_OPTION_sdl:
3023                 display_type = DT_SDL;
3024                 break;
3025 #else
3026             case QEMU_OPTION_no_frame:
3027             case QEMU_OPTION_alt_grab:
3028             case QEMU_OPTION_ctrl_grab:
3029             case QEMU_OPTION_no_quit:
3030             case QEMU_OPTION_sdl:
3031                 fprintf(stderr, "SDL support is disabled\n");
3032                 exit(1);
3033 #endif
3034             case QEMU_OPTION_pidfile:
3035                 pid_file = optarg;
3036                 break;
3037             case QEMU_OPTION_win2k_hack:
3038                 win2k_install_hack = 1;
3039                 break;
3040             case QEMU_OPTION_rtc_td_hack: {
3041                 static GlobalProperty slew_lost_ticks[] = {
3042                     {
3043                         .driver   = "mc146818rtc",
3044                         .property = "lost_tick_policy",
3045                         .value    = "slew",
3046                     },
3047                     { /* end of list */ }
3048                 };
3049
3050                 qdev_prop_register_global_list(slew_lost_ticks);
3051                 break;
3052             }
3053             case QEMU_OPTION_acpitable:
3054                 do_acpitable_option(optarg);
3055                 break;
3056             case QEMU_OPTION_smbios:
3057                 do_smbios_option(optarg);
3058                 break;
3059             case QEMU_OPTION_enable_kvm:
3060                 olist = qemu_find_opts("machine");
3061                 qemu_opts_parse(olist, "accel=kvm", 0);
3062                 break;
3063             case QEMU_OPTION_machine:
3064                 olist = qemu_find_opts("machine");
3065                 opts = qemu_opts_parse(olist, optarg, 1);
3066                 if (!opts) {
3067                     fprintf(stderr, "parse error: %s\n", optarg);
3068                     exit(1);
3069                 }
3070                 optarg = qemu_opt_get(opts, "type");
3071                 if (optarg) {
3072                     machine = machine_parse(optarg);
3073                 }
3074                 break;
3075             case QEMU_OPTION_usb:
3076                 usb_enabled = 1;
3077                 break;
3078             case QEMU_OPTION_usbdevice:
3079                 usb_enabled = 1;
3080                 add_device_config(DEV_USB, optarg);
3081                 break;
3082             case QEMU_OPTION_device:
3083                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3084                     exit(1);
3085                 }
3086                 break;
3087             case QEMU_OPTION_smp:
3088                 smp_parse(optarg);
3089                 if (smp_cpus < 1) {
3090                     fprintf(stderr, "Invalid number of CPUs\n");
3091                     exit(1);
3092                 }
3093                 if (max_cpus < smp_cpus) {
3094                     fprintf(stderr, "maxcpus must be equal to or greater than "
3095                             "smp\n");
3096                     exit(1);
3097                 }
3098                 if (max_cpus > 255) {
3099                     fprintf(stderr, "Unsupported number of maxcpus\n");
3100                     exit(1);
3101                 }
3102                 break;
3103             case QEMU_OPTION_vnc:
3104 #ifdef CONFIG_VNC
3105                 display_remote++;
3106                 vnc_display = optarg;
3107 #else
3108                 fprintf(stderr, "VNC support is disabled\n");
3109                 exit(1);
3110 #endif
3111                 break;
3112             case QEMU_OPTION_no_acpi:
3113                 acpi_enabled = 0;
3114                 break;
3115             case QEMU_OPTION_no_hpet:
3116                 no_hpet = 1;
3117                 break;
3118             case QEMU_OPTION_balloon:
3119                 if (balloon_parse(optarg) < 0) {
3120                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3121                     exit(1);
3122                 }
3123                 break;
3124             case QEMU_OPTION_no_reboot:
3125                 no_reboot = 1;
3126                 break;
3127             case QEMU_OPTION_no_shutdown:
3128                 no_shutdown = 1;
3129                 break;
3130             case QEMU_OPTION_show_cursor:
3131                 cursor_hide = 0;
3132                 break;
3133             case QEMU_OPTION_uuid:
3134                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3135                     fprintf(stderr, "Fail to parse UUID string."
3136                             " Wrong format.\n");
3137                     exit(1);
3138                 }
3139                 break;
3140             case QEMU_OPTION_option_rom:
3141                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3142                     fprintf(stderr, "Too many option ROMs\n");
3143                     exit(1);
3144                 }
3145                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3146                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3147                 option_rom[nb_option_roms].bootindex =
3148                     qemu_opt_get_number(opts, "bootindex", -1);
3149                 if (!option_rom[nb_option_roms].name) {
3150                     fprintf(stderr, "Option ROM file is not specified\n");
3151                     exit(1);
3152                 }
3153                 nb_option_roms++;
3154                 break;
3155             case QEMU_OPTION_semihosting:
3156                 semihosting_enabled = 1;
3157                 break;
3158             case QEMU_OPTION_name:
3159                 qemu_name = g_strdup(optarg);
3160                  {
3161                      char *p = strchr(qemu_name, ',');
3162                      if (p != NULL) {
3163                         *p++ = 0;
3164                         if (strncmp(p, "process=", 8)) {
3165                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3166                             exit(1);
3167                         }
3168                         p += 8;
3169                         os_set_proc_name(p);
3170                      }
3171                  }
3172                 break;
3173             case QEMU_OPTION_prom_env:
3174                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3175                     fprintf(stderr, "Too many prom variables\n");
3176                     exit(1);
3177                 }
3178                 prom_envs[nb_prom_envs] = optarg;
3179                 nb_prom_envs++;
3180                 break;
3181             case QEMU_OPTION_old_param:
3182                 old_param = 1;
3183                 break;
3184             case QEMU_OPTION_clock:
3185                 configure_alarms(optarg);
3186                 break;
3187             case QEMU_OPTION_startdate:
3188                 configure_rtc_date_offset(optarg, 1);
3189                 break;
3190             case QEMU_OPTION_rtc:
3191                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3192                 if (!opts) {
3193                     exit(1);
3194                 }
3195                 configure_rtc(opts);
3196                 break;
3197             case QEMU_OPTION_tb_size:
3198                 tcg_tb_size = strtol(optarg, NULL, 0);
3199                 if (tcg_tb_size < 0) {
3200                     tcg_tb_size = 0;
3201                 }
3202                 break;
3203             case QEMU_OPTION_icount:
3204                 icount_option = optarg;
3205                 break;
3206             case QEMU_OPTION_incoming:
3207                 incoming = optarg;
3208                 runstate_set(RUN_STATE_INMIGRATE);
3209                 break;
3210             case QEMU_OPTION_nodefaults:
3211                 default_serial = 0;
3212                 default_parallel = 0;
3213                 default_virtcon = 0;
3214                 default_monitor = 0;
3215                 default_net = 0;
3216                 default_floppy = 0;
3217                 default_cdrom = 0;
3218                 default_sdcard = 0;
3219                 default_vga = 0;
3220                 break;
3221             case QEMU_OPTION_xen_domid:
3222                 if (!(xen_available())) {
3223                     printf("Option %s not supported for this target\n", popt->name);
3224                     exit(1);
3225                 }
3226                 xen_domid = atoi(optarg);
3227                 break;
3228             case QEMU_OPTION_xen_create:
3229                 if (!(xen_available())) {
3230                     printf("Option %s not supported for this target\n", popt->name);
3231                     exit(1);
3232                 }
3233                 xen_mode = XEN_CREATE;
3234                 break;
3235             case QEMU_OPTION_xen_attach:
3236                 if (!(xen_available())) {
3237                     printf("Option %s not supported for this target\n", popt->name);
3238                     exit(1);
3239                 }
3240                 xen_mode = XEN_ATTACH;
3241                 break;
3242             case QEMU_OPTION_trace:
3243             {
3244                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3245                 if (!opts) {
3246                     exit(1);
3247                 }
3248                 trace_events = qemu_opt_get(opts, "events");
3249                 trace_file = qemu_opt_get(opts, "file");
3250                 break;
3251             }
3252             case QEMU_OPTION_readconfig:
3253                 {
3254                     int ret = qemu_read_config_file(optarg);
3255                     if (ret < 0) {
3256                         fprintf(stderr, "read config %s: %s\n", optarg,
3257                             strerror(-ret));
3258                         exit(1);
3259                     }
3260                     break;
3261                 }
3262             case QEMU_OPTION_spice:
3263                 olist = qemu_find_opts("spice");
3264                 if (!olist) {
3265                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3266                     exit(1);
3267                 }
3268                 opts = qemu_opts_parse(olist, optarg, 0);
3269                 if (!opts) {
3270                     fprintf(stderr, "parse error: %s\n", optarg);
3271                     exit(1);
3272                 }
3273                 break;
3274             case QEMU_OPTION_writeconfig:
3275                 {
3276                     FILE *fp;
3277                     if (strcmp(optarg, "-") == 0) {
3278                         fp = stdout;
3279                     } else {
3280                         fp = fopen(optarg, "w");
3281                         if (fp == NULL) {
3282                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3283                             exit(1);
3284                         }
3285                     }
3286                     qemu_config_write(fp);
3287                     fclose(fp);
3288                     break;
3289                 }
3290             case QEMU_OPTION_qtest:
3291                 qtest_chrdev = optarg;
3292                 break;
3293             case QEMU_OPTION_qtest_log:
3294                 qtest_log = optarg;
3295                 break;
3296             case QEMU_OPTION_sandbox:
3297                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3298                 if (!opts) {
3299                     exit(0);
3300                 }
3301                 break;
3302             default:
3303                 os_parse_cmd_args(popt->index, optarg);
3304             }
3305         }
3306     }
3307     loc_set_none();
3308
3309     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3310         exit(1);
3311     }
3312
3313     if (machine == NULL) {
3314         fprintf(stderr, "No machine found.\n");
3315         exit(1);
3316     }
3317
3318     if (machine->hw_version) {
3319         qemu_set_version(machine->hw_version);
3320     }
3321
3322     /* Init CPU def lists, based on config
3323      * - Must be called after all the qemu_read_config_file() calls
3324      * - Must be called before list_cpus()
3325      * - Must be called before machine->init()
3326      */
3327     cpudef_init();
3328
3329     if (cpu_model && is_help_option(cpu_model)) {
3330         list_cpus(stdout, &fprintf, cpu_model);
3331         exit(0);
3332     }
3333
3334     /* Open the logfile at this point, if necessary. We can't open the logfile
3335      * when encountering either of the logging options (-d or -D) because the
3336      * other one may be encountered later on the command line, changing the
3337      * location or level of logging.
3338      */
3339     if (log_mask) {
3340         if (log_file) {
3341             set_cpu_log_filename(log_file);
3342         }
3343         set_cpu_log(log_mask);
3344     }
3345
3346     if (!trace_backend_init(trace_events, trace_file)) {
3347         exit(1);
3348     }
3349
3350     /* If no data_dir is specified then try to find it relative to the
3351        executable path.  */
3352     if (!data_dir) {
3353         data_dir = os_find_datadir(argv[0]);
3354     }
3355     /* If all else fails use the install path specified when building. */
3356     if (!data_dir) {
3357         data_dir = CONFIG_QEMU_DATADIR;
3358     }
3359
3360     /*
3361      * Default to max_cpus = smp_cpus, in case the user doesn't
3362      * specify a max_cpus value.
3363      */
3364     if (!max_cpus)
3365         max_cpus = smp_cpus;
3366
3367     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3368     if (smp_cpus > machine->max_cpus) {
3369         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3370                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3371                 machine->max_cpus);
3372         exit(1);
3373     }
3374
3375     /*
3376      * Get the default machine options from the machine if it is not already
3377      * specified either by the configuration file or by the command line.
3378      */
3379     if (machine->default_machine_opts) {
3380         qemu_opts_set_defaults(qemu_find_opts("machine"),
3381                                machine->default_machine_opts, 0);
3382     }
3383
3384     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3385     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3386
3387     if (machine->no_serial) {
3388         default_serial = 0;
3389     }
3390     if (machine->no_parallel) {
3391         default_parallel = 0;
3392     }
3393     if (!machine->use_virtcon) {
3394         default_virtcon = 0;
3395     }
3396     if (machine->no_floppy) {
3397         default_floppy = 0;
3398     }
3399     if (machine->no_cdrom) {
3400         default_cdrom = 0;
3401     }
3402     if (machine->no_sdcard) {
3403         default_sdcard = 0;
3404     }
3405
3406     if (display_type == DT_NOGRAPHIC) {
3407         if (default_parallel)
3408             add_device_config(DEV_PARALLEL, "null");
3409         if (default_serial && default_monitor) {
3410             add_device_config(DEV_SERIAL, "mon:stdio");
3411         } else if (default_virtcon && default_monitor) {
3412             add_device_config(DEV_VIRTCON, "mon:stdio");
3413         } else {
3414             if (default_serial)
3415                 add_device_config(DEV_SERIAL, "stdio");
3416             if (default_virtcon)
3417                 add_device_config(DEV_VIRTCON, "stdio");
3418             if (default_monitor)
3419                 monitor_parse("stdio", "readline");
3420         }
3421     } else {
3422         if (default_serial)
3423             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3424         if (default_parallel)
3425             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3426         if (default_monitor)
3427             monitor_parse("vc:80Cx24C", "readline");
3428         if (default_virtcon)
3429             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3430     }
3431
3432     socket_init();
3433
3434     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3435         exit(1);
3436 #ifdef CONFIG_VIRTFS
3437     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3438         exit(1);
3439     }
3440 #endif
3441
3442     os_daemonize();
3443
3444     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3445         os_pidfile_error();
3446         exit(1);
3447     }
3448
3449     /* init the memory */
3450     if (ram_size == 0) {
3451         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3452     }
3453
3454     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3455         != 0) {
3456         exit(0);
3457     }
3458
3459     configure_accelerator();
3460
3461     qemu_init_cpu_loop();
3462     if (qemu_init_main_loop()) {
3463         fprintf(stderr, "qemu_init_main_loop failed\n");
3464         exit(1);
3465     }
3466
3467     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3468     if (machine_opts) {
3469         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3470         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3471         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3472     } else {
3473         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3474     }
3475
3476     if (!kernel_cmdline) {
3477         kernel_cmdline = "";
3478     }
3479
3480     linux_boot = (kernel_filename != NULL);
3481
3482     if (!linux_boot && *kernel_cmdline != '\0') {
3483         fprintf(stderr, "-append only allowed with -kernel option\n");
3484         exit(1);
3485     }
3486
3487     if (!linux_boot && initrd_filename != NULL) {
3488         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3489         exit(1);
3490     }
3491
3492     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3493         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3494         exit(1);
3495     }
3496
3497     os_set_line_buffering();
3498
3499     if (init_timer_alarm() < 0) {
3500         fprintf(stderr, "could not initialize alarm timer\n");
3501         exit(1);
3502     }
3503
3504 #ifdef CONFIG_SPICE
3505     /* spice needs the timers to be initialized by this point */
3506     qemu_spice_init();
3507 #endif
3508
3509     if (icount_option && (kvm_enabled() || xen_enabled())) {
3510         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3511         exit(1);
3512     }
3513     configure_icount(icount_option);
3514
3515     if (net_init_clients() < 0) {
3516         exit(1);
3517     }
3518
3519     /* init the bluetooth world */
3520     if (foreach_device_config(DEV_BT, bt_parse))
3521         exit(1);
3522
3523     if (!xen_enabled()) {
3524         /* On 32-bit hosts, QEMU is limited by virtual address space */
3525         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3526             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3527             exit(1);
3528         }
3529     }
3530
3531     cpu_exec_init_all();
3532
3533     bdrv_init_with_whitelist();
3534
3535     blk_mig_init();
3536
3537     /* open the virtual block devices */
3538     if (snapshot)
3539         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3540     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3541         exit(1);
3542
3543     default_drive(default_cdrom, snapshot, machine->use_scsi,
3544                   IF_DEFAULT, 2, CDROM_OPTS);
3545     default_drive(default_floppy, snapshot, machine->use_scsi,
3546                   IF_FLOPPY, 0, FD_OPTS);
3547     default_drive(default_sdcard, snapshot, machine->use_scsi,
3548                   IF_SD, 0, SD_OPTS);
3549
3550     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3551
3552     if (nb_numa_nodes > 0) {
3553         int i;
3554
3555         if (nb_numa_nodes > MAX_NODES) {
3556             nb_numa_nodes = MAX_NODES;
3557         }
3558
3559         /* If no memory size if given for any node, assume the default case
3560          * and distribute the available memory equally across all nodes
3561          */
3562         for (i = 0; i < nb_numa_nodes; i++) {
3563             if (node_mem[i] != 0)
3564                 break;
3565         }
3566         if (i == nb_numa_nodes) {
3567             uint64_t usedmem = 0;
3568
3569             /* On Linux, the each node's border has to be 8MB aligned,
3570              * the final node gets the rest.
3571              */
3572             for (i = 0; i < nb_numa_nodes - 1; i++) {
3573                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3574                 usedmem += node_mem[i];
3575             }
3576             node_mem[i] = ram_size - usedmem;
3577         }
3578
3579         for (i = 0; i < nb_numa_nodes; i++) {
3580             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3581                 break;
3582             }
3583         }
3584         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3585          * must cope with this anyway, because there are BIOSes out there in
3586          * real machines which also use this scheme.
3587          */
3588         if (i == nb_numa_nodes) {
3589             for (i = 0; i < max_cpus; i++) {
3590                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3591             }
3592         }
3593     }
3594
3595     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3596         exit(1);
3597     }
3598
3599     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3600         exit(1);
3601     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3602         exit(1);
3603     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3604         exit(1);
3605     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3606         exit(1);
3607
3608     /* If no default VGA is requested, the default is "none".  */
3609     if (default_vga && cirrus_vga_available()) {
3610         vga_model = "cirrus";
3611     }
3612     select_vgahw(vga_model);
3613
3614     if (watchdog) {
3615         i = select_watchdog(watchdog);
3616         if (i > 0)
3617             exit (i == 1 ? 1 : 0);
3618     }
3619
3620     if (machine->compat_props) {
3621         qdev_prop_register_global_list(machine->compat_props);
3622     }
3623     qemu_add_globals();
3624
3625     qdev_machine_init();
3626
3627     machine->init(ram_size, boot_devices,
3628                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3629
3630     cpu_synchronize_all_post_init();
3631
3632     set_numa_modes();
3633
3634     current_machine = machine;
3635
3636     /* init USB devices */
3637     if (usb_enabled) {
3638         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3639             exit(1);
3640     }
3641
3642     /* init generic devices */
3643     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3644         exit(1);
3645
3646     net_check_clients();
3647
3648     /* just use the first displaystate for the moment */
3649     ds = get_displaystate();
3650
3651     if (using_spice)
3652         display_remote++;
3653     if (display_type == DT_DEFAULT && !display_remote) {
3654 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3655         display_type = DT_SDL;
3656 #elif defined(CONFIG_VNC)
3657         vnc_display = "localhost:0,to=99";
3658         show_vnc_port = 1;
3659 #else
3660         display_type = DT_NONE;
3661 #endif
3662     }
3663
3664
3665     /* init local displays */
3666     switch (display_type) {
3667     case DT_NOGRAPHIC:
3668         break;
3669 #if defined(CONFIG_CURSES)
3670     case DT_CURSES:
3671         if (!is_daemonized()) {
3672             curses_display_init(ds, full_screen);
3673         }
3674         break;
3675 #endif
3676 #if defined(CONFIG_SDL)
3677     case DT_SDL:
3678         sdl_display_init(ds, full_screen, no_frame);
3679         break;
3680 #elif defined(CONFIG_COCOA)
3681     case DT_SDL:
3682         cocoa_display_init(ds, full_screen);
3683         break;
3684 #endif
3685     default:
3686         break;
3687     }
3688
3689     /* must be after terminal init, SDL library changes signal handlers */
3690     os_setup_signal_handling();
3691
3692 #ifdef CONFIG_VNC
3693     /* init remote displays */
3694     if (vnc_display) {
3695         vnc_display_init(ds);
3696         if (vnc_display_open(ds, vnc_display) < 0) {
3697             fprintf(stderr, "Failed to start VNC server on `%s'\n",
3698                     vnc_display);
3699             exit(1);
3700         }
3701
3702         if (show_vnc_port) {
3703             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3704         }
3705     }
3706 #endif
3707 #ifdef CONFIG_SPICE
3708     if (using_spice && !qxl_enabled) {
3709         qemu_spice_display_init(ds);
3710     }
3711 #endif
3712
3713     /* display setup */
3714     dpy_resize(ds);
3715     dcl = ds->listeners;
3716     while (dcl != NULL) {
3717         if (dcl->dpy_refresh != NULL) {
3718             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3719             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3720             break;
3721         }
3722         dcl = dcl->next;
3723     }
3724     text_consoles_set_display(ds);
3725
3726     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3727         exit(1);
3728     }
3729
3730     qdev_machine_creation_done();
3731
3732     if (rom_load_all() != 0) {
3733         fprintf(stderr, "rom loading failed\n");
3734         exit(1);
3735     }
3736
3737     /* TODO: once all bus devices are qdevified, this should be done
3738      * when bus is created by qdev.c */
3739     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3740     qemu_run_machine_init_done_notifiers();
3741
3742     qemu_system_reset(VMRESET_SILENT);
3743     if (loadvm) {
3744         if (load_vmstate(loadvm) < 0) {
3745             autostart = 0;
3746         }
3747     }
3748
3749     if (incoming) {
3750         Error *errp = NULL;
3751         int ret = qemu_start_incoming_migration(incoming, &errp);
3752         if (ret < 0) {
3753             if (error_is_set(&errp)) {
3754                 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3755                 error_free(errp);
3756             }
3757             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3758                     incoming, ret);
3759             exit(ret);
3760         }
3761     } else if (autostart) {
3762         vm_start();
3763     }
3764
3765     os_setup_post();
3766
3767     resume_all_vcpus();
3768     main_loop();
3769     bdrv_close_all();
3770     pause_all_vcpus();
3771     net_cleanup();
3772     res_free();
3773
3774     return 0;
3775 }