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 }
1027
1028 static void smp_parse(const char *optarg)
1029 {
1030     int smp, sockets = 0, threads = 0, cores = 0;
1031     char *endptr;
1032     char option[128];
1033
1034     smp = strtoul(optarg, &endptr, 10);
1035     if (endptr != optarg) {
1036         if (*endptr == ',') {
1037             endptr++;
1038         }
1039     }
1040     if (get_param_value(option, 128, "sockets", endptr) != 0)
1041         sockets = strtoull(option, NULL, 10);
1042     if (get_param_value(option, 128, "cores", endptr) != 0)
1043         cores = strtoull(option, NULL, 10);
1044     if (get_param_value(option, 128, "threads", endptr) != 0)
1045         threads = strtoull(option, NULL, 10);
1046     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1047         max_cpus = strtoull(option, NULL, 10);
1048
1049     /* compute missing values, prefer sockets over cores over threads */
1050     if (smp == 0 || sockets == 0) {
1051         sockets = sockets > 0 ? sockets : 1;
1052         cores = cores > 0 ? cores : 1;
1053         threads = threads > 0 ? threads : 1;
1054         if (smp == 0) {
1055             smp = cores * threads * sockets;
1056         }
1057     } else {
1058         if (cores == 0) {
1059             threads = threads > 0 ? threads : 1;
1060             cores = smp / (sockets * threads);
1061         } else {
1062             threads = smp / (cores * sockets);
1063         }
1064     }
1065     smp_cpus = smp;
1066     smp_cores = cores > 0 ? cores : 1;
1067     smp_threads = threads > 0 ? threads : 1;
1068     if (max_cpus == 0)
1069         max_cpus = smp_cpus;
1070 }
1071
1072 /***********************************************************/
1073 /* USB devices */
1074
1075 static int usb_device_add(const char *devname)
1076 {
1077     const char *p;
1078     USBDevice *dev = NULL;
1079
1080     if (!usb_enabled)
1081         return -1;
1082
1083     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1084     dev = usbdevice_create(devname);
1085     if (dev)
1086         goto done;
1087
1088     /* the other ones */
1089 #ifndef CONFIG_LINUX
1090     /* only the linux version is qdev-ified, usb-bsd still needs this */
1091     if (strstart(devname, "host:", &p)) {
1092         dev = usb_host_device_open(usb_bus_find(-1), p);
1093     } else
1094 #endif
1095     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1096         dev = usb_bt_init(usb_bus_find(-1),
1097                           devname[2] ? hci_init(p)
1098                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1099     } else {
1100         return -1;
1101     }
1102     if (!dev)
1103         return -1;
1104
1105 done:
1106     return 0;
1107 }
1108
1109 static int usb_device_del(const char *devname)
1110 {
1111     int bus_num, addr;
1112     const char *p;
1113
1114     if (strstart(devname, "host:", &p))
1115         return usb_host_device_close(p);
1116
1117     if (!usb_enabled)
1118         return -1;
1119
1120     p = strchr(devname, '.');
1121     if (!p)
1122         return -1;
1123     bus_num = strtoul(devname, NULL, 0);
1124     addr = strtoul(p + 1, NULL, 0);
1125
1126     return usb_device_delete_addr(bus_num, addr);
1127 }
1128
1129 static int usb_parse(const char *cmdline)
1130 {
1131     int r;
1132     r = usb_device_add(cmdline);
1133     if (r < 0) {
1134         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1135     }
1136     return r;
1137 }
1138
1139 void do_usb_add(Monitor *mon, const QDict *qdict)
1140 {
1141     const char *devname = qdict_get_str(qdict, "devname");
1142     if (usb_device_add(devname) < 0) {
1143         error_report("could not add USB device '%s'", devname);
1144     }
1145 }
1146
1147 void do_usb_del(Monitor *mon, const QDict *qdict)
1148 {
1149     const char *devname = qdict_get_str(qdict, "devname");
1150     if (usb_device_del(devname) < 0) {
1151         error_report("could not delete USB device '%s'", devname);
1152     }
1153 }
1154
1155 /***********************************************************/
1156 /* PCMCIA/Cardbus */
1157
1158 static struct pcmcia_socket_entry_s {
1159     PCMCIASocket *socket;
1160     struct pcmcia_socket_entry_s *next;
1161 } *pcmcia_sockets = 0;
1162
1163 void pcmcia_socket_register(PCMCIASocket *socket)
1164 {
1165     struct pcmcia_socket_entry_s *entry;
1166
1167     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1168     entry->socket = socket;
1169     entry->next = pcmcia_sockets;
1170     pcmcia_sockets = entry;
1171 }
1172
1173 void pcmcia_socket_unregister(PCMCIASocket *socket)
1174 {
1175     struct pcmcia_socket_entry_s *entry, **ptr;
1176
1177     ptr = &pcmcia_sockets;
1178     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1179         if (entry->socket == socket) {
1180             *ptr = entry->next;
1181             g_free(entry);
1182         }
1183 }
1184
1185 void pcmcia_info(Monitor *mon)
1186 {
1187     struct pcmcia_socket_entry_s *iter;
1188
1189     if (!pcmcia_sockets)
1190         monitor_printf(mon, "No PCMCIA sockets\n");
1191
1192     for (iter = pcmcia_sockets; iter; iter = iter->next)
1193         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1194                        iter->socket->attached ? iter->socket->card_string :
1195                        "Empty");
1196 }
1197
1198 /***********************************************************/
1199 /* machine registration */
1200
1201 static QEMUMachine *first_machine = NULL;
1202 QEMUMachine *current_machine = NULL;
1203
1204 int qemu_register_machine(QEMUMachine *m)
1205 {
1206     QEMUMachine **pm;
1207     pm = &first_machine;
1208     while (*pm != NULL)
1209         pm = &(*pm)->next;
1210     m->next = NULL;
1211     *pm = m;
1212     return 0;
1213 }
1214
1215 static QEMUMachine *find_machine(const char *name)
1216 {
1217     QEMUMachine *m;
1218
1219     for(m = first_machine; m != NULL; m = m->next) {
1220         if (!strcmp(m->name, name))
1221             return m;
1222         if (m->alias && !strcmp(m->alias, name))
1223             return m;
1224     }
1225     return NULL;
1226 }
1227
1228 QEMUMachine *find_default_machine(void)
1229 {
1230     QEMUMachine *m;
1231
1232     for(m = first_machine; m != NULL; m = m->next) {
1233         if (m->is_default) {
1234             return m;
1235         }
1236     }
1237     return NULL;
1238 }
1239
1240 MachineInfoList *qmp_query_machines(Error **errp)
1241 {
1242     MachineInfoList *mach_list = NULL;
1243     QEMUMachine *m;
1244
1245     for (m = first_machine; m; m = m->next) {
1246         MachineInfoList *entry;
1247         MachineInfo *info;
1248
1249         info = g_malloc0(sizeof(*info));
1250         if (m->is_default) {
1251             info->has_is_default = true;
1252             info->is_default = true;
1253         }
1254
1255         if (m->alias) {
1256             info->has_alias = true;
1257             info->alias = g_strdup(m->alias);
1258         }
1259
1260         info->name = g_strdup(m->name);
1261
1262         entry = g_malloc0(sizeof(*entry));
1263         entry->value = info;
1264         entry->next = mach_list;
1265         mach_list = entry;
1266     }
1267
1268     return mach_list;
1269 }
1270
1271 /***********************************************************/
1272 /* main execution loop */
1273
1274 static void gui_update(void *opaque)
1275 {
1276     uint64_t interval = GUI_REFRESH_INTERVAL;
1277     DisplayState *ds = opaque;
1278     DisplayChangeListener *dcl = ds->listeners;
1279
1280     dpy_refresh(ds);
1281
1282     while (dcl != NULL) {
1283         if (dcl->gui_timer_interval &&
1284             dcl->gui_timer_interval < interval)
1285             interval = dcl->gui_timer_interval;
1286         dcl = dcl->next;
1287     }
1288     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1289 }
1290
1291 struct vm_change_state_entry {
1292     VMChangeStateHandler *cb;
1293     void *opaque;
1294     QLIST_ENTRY (vm_change_state_entry) entries;
1295 };
1296
1297 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1298
1299 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1300                                                      void *opaque)
1301 {
1302     VMChangeStateEntry *e;
1303
1304     e = g_malloc0(sizeof (*e));
1305
1306     e->cb = cb;
1307     e->opaque = opaque;
1308     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1309     return e;
1310 }
1311
1312 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1313 {
1314     QLIST_REMOVE (e, entries);
1315     g_free (e);
1316 }
1317
1318 void vm_state_notify(int running, RunState state)
1319 {
1320     VMChangeStateEntry *e;
1321
1322     trace_vm_state_notify(running, state);
1323
1324     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1325         e->cb(e->opaque, running, state);
1326     }
1327 }
1328
1329 void vm_start(void)
1330 {
1331     if (!runstate_is_running()) {
1332         cpu_enable_ticks();
1333         runstate_set(RUN_STATE_RUNNING);
1334         vm_state_notify(1, RUN_STATE_RUNNING);
1335         resume_all_vcpus();
1336         monitor_protocol_event(QEVENT_RESUME, NULL);
1337     }
1338 }
1339
1340 /* reset/shutdown handler */
1341
1342 typedef struct QEMUResetEntry {
1343     QTAILQ_ENTRY(QEMUResetEntry) entry;
1344     QEMUResetHandler *func;
1345     void *opaque;
1346 } QEMUResetEntry;
1347
1348 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1349     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1350 static int reset_requested;
1351 static int shutdown_requested, shutdown_signal = -1;
1352 static pid_t shutdown_pid;
1353 static int powerdown_requested;
1354 static int debug_requested;
1355 static int suspend_requested;
1356 static int wakeup_requested;
1357 static NotifierList powerdown_notifiers =
1358     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1359 static NotifierList suspend_notifiers =
1360     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1361 static NotifierList wakeup_notifiers =
1362     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1363 static uint32_t wakeup_reason_mask = ~0;
1364 static RunState vmstop_requested = RUN_STATE_MAX;
1365
1366 int qemu_shutdown_requested_get(void)
1367 {
1368     return shutdown_requested;
1369 }
1370
1371 int qemu_reset_requested_get(void)
1372 {
1373     return reset_requested;
1374 }
1375
1376 int qemu_shutdown_requested(void)
1377 {
1378     int r = shutdown_requested;
1379     shutdown_requested = 0;
1380     return r;
1381 }
1382
1383 void qemu_kill_report(void)
1384 {
1385     if (!qtest_enabled() && shutdown_signal != -1) {
1386         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1387         if (shutdown_pid == 0) {
1388             /* This happens for eg ^C at the terminal, so it's worth
1389              * avoiding printing an odd message in that case.
1390              */
1391             fputc('\n', stderr);
1392         } else {
1393             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1394         }
1395         shutdown_signal = -1;
1396     }
1397 }
1398
1399 int qemu_reset_requested(void)
1400 {
1401     int r = reset_requested;
1402     reset_requested = 0;
1403     return r;
1404 }
1405
1406 static int qemu_suspend_requested(void)
1407 {
1408     int r = suspend_requested;
1409     suspend_requested = 0;
1410     return r;
1411 }
1412
1413 static int qemu_wakeup_requested(void)
1414 {
1415     int r = wakeup_requested;
1416     wakeup_requested = 0;
1417     return r;
1418 }
1419
1420 int qemu_powerdown_requested(void)
1421 {
1422     int r = powerdown_requested;
1423     powerdown_requested = 0;
1424     return r;
1425 }
1426
1427 static int qemu_debug_requested(void)
1428 {
1429     int r = debug_requested;
1430     debug_requested = 0;
1431     return r;
1432 }
1433
1434 /* We use RUN_STATE_MAX but any invalid value will do */
1435 static bool qemu_vmstop_requested(RunState *r)
1436 {
1437     if (vmstop_requested < RUN_STATE_MAX) {
1438         *r = vmstop_requested;
1439         vmstop_requested = RUN_STATE_MAX;
1440         return true;
1441     }
1442
1443     return false;
1444 }
1445
1446 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1447 {
1448     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1449
1450     re->func = func;
1451     re->opaque = opaque;
1452     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1453 }
1454
1455 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1456 {
1457     QEMUResetEntry *re;
1458
1459     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1460         if (re->func == func && re->opaque == opaque) {
1461             QTAILQ_REMOVE(&reset_handlers, re, entry);
1462             g_free(re);
1463             return;
1464         }
1465     }
1466 }
1467
1468 void qemu_devices_reset(void)
1469 {
1470     QEMUResetEntry *re, *nre;
1471
1472     /* reset all devices */
1473     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1474         re->func(re->opaque);
1475     }
1476 }
1477
1478 void qemu_system_reset(bool report)
1479 {
1480     if (current_machine && current_machine->reset) {
1481         current_machine->reset();
1482     } else {
1483         qemu_devices_reset();
1484     }
1485     if (report) {
1486         monitor_protocol_event(QEVENT_RESET, NULL);
1487     }
1488     cpu_synchronize_all_post_reset();
1489 }
1490
1491 void qemu_system_reset_request(void)
1492 {
1493     if (no_reboot) {
1494         shutdown_requested = 1;
1495     } else {
1496         reset_requested = 1;
1497     }
1498     cpu_stop_current();
1499     qemu_notify_event();
1500 }
1501
1502 static void qemu_system_suspend(void)
1503 {
1504     pause_all_vcpus();
1505     notifier_list_notify(&suspend_notifiers, NULL);
1506     runstate_set(RUN_STATE_SUSPENDED);
1507     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1508 }
1509
1510 void qemu_system_suspend_request(void)
1511 {
1512     if (runstate_check(RUN_STATE_SUSPENDED)) {
1513         return;
1514     }
1515     suspend_requested = 1;
1516     cpu_stop_current();
1517     qemu_notify_event();
1518 }
1519
1520 void qemu_register_suspend_notifier(Notifier *notifier)
1521 {
1522     notifier_list_add(&suspend_notifiers, notifier);
1523 }
1524
1525 void qemu_system_wakeup_request(WakeupReason reason)
1526 {
1527     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1528         return;
1529     }
1530     if (!(wakeup_reason_mask & (1 << reason))) {
1531         return;
1532     }
1533     runstate_set(RUN_STATE_RUNNING);
1534     notifier_list_notify(&wakeup_notifiers, &reason);
1535     wakeup_requested = 1;
1536     qemu_notify_event();
1537 }
1538
1539 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1540 {
1541     if (enabled) {
1542         wakeup_reason_mask |= (1 << reason);
1543     } else {
1544         wakeup_reason_mask &= ~(1 << reason);
1545     }
1546 }
1547
1548 void qemu_register_wakeup_notifier(Notifier *notifier)
1549 {
1550     notifier_list_add(&wakeup_notifiers, notifier);
1551 }
1552
1553 void qemu_system_killed(int signal, pid_t pid)
1554 {
1555     shutdown_signal = signal;
1556     shutdown_pid = pid;
1557     no_shutdown = 0;
1558     qemu_system_shutdown_request();
1559 }
1560
1561 void qemu_system_shutdown_request(void)
1562 {
1563     shutdown_requested = 1;
1564     qemu_notify_event();
1565 }
1566
1567 static void qemu_system_powerdown(void)
1568 {
1569     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1570     notifier_list_notify(&powerdown_notifiers, NULL);
1571 }
1572
1573 void qemu_system_powerdown_request(void)
1574 {
1575     powerdown_requested = 1;
1576     qemu_notify_event();
1577 }
1578
1579 void qemu_register_powerdown_notifier(Notifier *notifier)
1580 {
1581     notifier_list_add(&powerdown_notifiers, notifier);
1582 }
1583
1584 void qemu_system_debug_request(void)
1585 {
1586     debug_requested = 1;
1587     qemu_notify_event();
1588 }
1589
1590 void qemu_system_vmstop_request(RunState state)
1591 {
1592     vmstop_requested = state;
1593     qemu_notify_event();
1594 }
1595
1596 static bool main_loop_should_exit(void)
1597 {
1598     RunState r;
1599     if (qemu_debug_requested()) {
1600         vm_stop(RUN_STATE_DEBUG);
1601     }
1602     if (qemu_suspend_requested()) {
1603         qemu_system_suspend();
1604     }
1605     if (qemu_shutdown_requested()) {
1606         qemu_kill_report();
1607         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1608         if (no_shutdown) {
1609             vm_stop(RUN_STATE_SHUTDOWN);
1610         } else {
1611             return true;
1612         }
1613     }
1614     if (qemu_reset_requested()) {
1615         pause_all_vcpus();
1616         cpu_synchronize_all_states();
1617         qemu_system_reset(VMRESET_REPORT);
1618         resume_all_vcpus();
1619         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1620             runstate_check(RUN_STATE_SHUTDOWN)) {
1621             runstate_set(RUN_STATE_PAUSED);
1622         }
1623     }
1624     if (qemu_wakeup_requested()) {
1625         pause_all_vcpus();
1626         cpu_synchronize_all_states();
1627         qemu_system_reset(VMRESET_SILENT);
1628         resume_all_vcpus();
1629         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1630     }
1631     if (qemu_powerdown_requested()) {
1632         qemu_system_powerdown();
1633     }
1634     if (qemu_vmstop_requested(&r)) {
1635         vm_stop(r);
1636     }
1637     return false;
1638 }
1639
1640 static void main_loop(void)
1641 {
1642     bool nonblocking;
1643     int last_io = 0;
1644 #ifdef CONFIG_PROFILER
1645     int64_t ti;
1646 #endif
1647     do {
1648         nonblocking = !kvm_enabled() && last_io > 0;
1649 #ifdef CONFIG_PROFILER
1650         ti = profile_getclock();
1651 #endif
1652         last_io = main_loop_wait(nonblocking);
1653 #ifdef CONFIG_PROFILER
1654         dev_time += profile_getclock() - ti;
1655 #endif
1656     } while (!main_loop_should_exit());
1657 }
1658
1659 static void version(void)
1660 {
1661     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1662 }
1663
1664 static void help(int exitcode)
1665 {
1666     version();
1667     printf("usage: %s [options] [disk_image]\n\n"
1668            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1669             error_get_progname());
1670
1671 #define QEMU_OPTIONS_GENERATE_HELP
1672 #include "qemu-options-wrapper.h"
1673
1674     printf("\nDuring emulation, the following keys are useful:\n"
1675            "ctrl-alt-f      toggle full screen\n"
1676            "ctrl-alt-n      switch to virtual console 'n'\n"
1677            "ctrl-alt        toggle mouse and keyboard grab\n"
1678            "\n"
1679            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1680
1681     exit(exitcode);
1682 }
1683
1684 #define HAS_ARG 0x0001
1685
1686 typedef struct QEMUOption {
1687     const char *name;
1688     int flags;
1689     int index;
1690     uint32_t arch_mask;
1691 } QEMUOption;
1692
1693 static const QEMUOption qemu_options[] = {
1694     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1695 #define QEMU_OPTIONS_GENERATE_OPTIONS
1696 #include "qemu-options-wrapper.h"
1697     { NULL },
1698 };
1699
1700 static bool vga_available(void)
1701 {
1702     return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1703 }
1704
1705 static bool cirrus_vga_available(void)
1706 {
1707     return object_class_by_name("cirrus-vga")
1708            || object_class_by_name("isa-cirrus-vga");
1709 }
1710
1711 static bool vmware_vga_available(void)
1712 {
1713     return object_class_by_name("vmware-svga");
1714 }
1715
1716 static bool qxl_vga_available(void)
1717 {
1718     return object_class_by_name("qxl-vga");
1719 }
1720
1721 static void select_vgahw (const char *p)
1722 {
1723     const char *opts;
1724
1725     vga_interface_type = VGA_NONE;
1726     if (strstart(p, "std", &opts)) {
1727         if (vga_available()) {
1728             vga_interface_type = VGA_STD;
1729         } else {
1730             fprintf(stderr, "Error: standard VGA not available\n");
1731             exit(0);
1732         }
1733     } else if (strstart(p, "cirrus", &opts)) {
1734         if (cirrus_vga_available()) {
1735             vga_interface_type = VGA_CIRRUS;
1736         } else {
1737             fprintf(stderr, "Error: Cirrus VGA not available\n");
1738             exit(0);
1739         }
1740     } else if (strstart(p, "vmware", &opts)) {
1741         if (vmware_vga_available()) {
1742             vga_interface_type = VGA_VMWARE;
1743         } else {
1744             fprintf(stderr, "Error: VMWare SVGA not available\n");
1745             exit(0);
1746         }
1747     } else if (strstart(p, "xenfb", &opts)) {
1748         vga_interface_type = VGA_XENFB;
1749     } else if (strstart(p, "qxl", &opts)) {
1750         if (qxl_vga_available()) {
1751             vga_interface_type = VGA_QXL;
1752         } else {
1753             fprintf(stderr, "Error: QXL VGA not available\n");
1754             exit(0);
1755         }
1756     } else if (!strstart(p, "none", &opts)) {
1757     invalid_vga:
1758         fprintf(stderr, "Unknown vga type: %s\n", p);
1759         exit(1);
1760     }
1761     while (*opts) {
1762         const char *nextopt;
1763
1764         if (strstart(opts, ",retrace=", &nextopt)) {
1765             opts = nextopt;
1766             if (strstart(opts, "dumb", &nextopt))
1767                 vga_retrace_method = VGA_RETRACE_DUMB;
1768             else if (strstart(opts, "precise", &nextopt))
1769                 vga_retrace_method = VGA_RETRACE_PRECISE;
1770             else goto invalid_vga;
1771         } else goto invalid_vga;
1772         opts = nextopt;
1773     }
1774 }
1775
1776 static DisplayType select_display(const char *p)
1777 {
1778     const char *opts;
1779     DisplayType display = DT_DEFAULT;
1780
1781     if (strstart(p, "sdl", &opts)) {
1782 #ifdef CONFIG_SDL
1783         display = DT_SDL;
1784         while (*opts) {
1785             const char *nextopt;
1786
1787             if (strstart(opts, ",frame=", &nextopt)) {
1788                 opts = nextopt;
1789                 if (strstart(opts, "on", &nextopt)) {
1790                     no_frame = 0;
1791                 } else if (strstart(opts, "off", &nextopt)) {
1792                     no_frame = 1;
1793                 } else {
1794                     goto invalid_sdl_args;
1795                 }
1796             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1797                 opts = nextopt;
1798                 if (strstart(opts, "on", &nextopt)) {
1799                     alt_grab = 1;
1800                 } else if (strstart(opts, "off", &nextopt)) {
1801                     alt_grab = 0;
1802                 } else {
1803                     goto invalid_sdl_args;
1804                 }
1805             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1806                 opts = nextopt;
1807                 if (strstart(opts, "on", &nextopt)) {
1808                     ctrl_grab = 1;
1809                 } else if (strstart(opts, "off", &nextopt)) {
1810                     ctrl_grab = 0;
1811                 } else {
1812                     goto invalid_sdl_args;
1813                 }
1814             } else if (strstart(opts, ",window_close=", &nextopt)) {
1815                 opts = nextopt;
1816                 if (strstart(opts, "on", &nextopt)) {
1817                     no_quit = 0;
1818                 } else if (strstart(opts, "off", &nextopt)) {
1819                     no_quit = 1;
1820                 } else {
1821                     goto invalid_sdl_args;
1822                 }
1823             } else {
1824             invalid_sdl_args:
1825                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1826                 exit(1);
1827             }
1828             opts = nextopt;
1829         }
1830 #else
1831         fprintf(stderr, "SDL support is disabled\n");
1832         exit(1);
1833 #endif
1834     } else if (strstart(p, "vnc", &opts)) {
1835 #ifdef CONFIG_VNC
1836         display_remote++;
1837
1838         if (*opts) {
1839             const char *nextopt;
1840
1841             if (strstart(opts, "=", &nextopt)) {
1842                 vnc_display = nextopt;
1843             }
1844         }
1845         if (!vnc_display) {
1846             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1847             exit(1);
1848         }
1849 #else
1850         fprintf(stderr, "VNC support is disabled\n");
1851         exit(1);
1852 #endif
1853     } else if (strstart(p, "curses", &opts)) {
1854 #ifdef CONFIG_CURSES
1855         display = DT_CURSES;
1856 #else
1857         fprintf(stderr, "Curses support is disabled\n");
1858         exit(1);
1859 #endif
1860     } else if (strstart(p, "none", &opts)) {
1861         display = DT_NONE;
1862     } else {
1863         fprintf(stderr, "Unknown display type: %s\n", p);
1864         exit(1);
1865     }
1866
1867     return display;
1868 }
1869
1870 static int balloon_parse(const char *arg)
1871 {
1872     QemuOpts *opts;
1873
1874     if (strcmp(arg, "none") == 0) {
1875         return 0;
1876     }
1877
1878     if (!strncmp(arg, "virtio", 6)) {
1879         if (arg[6] == ',') {
1880             /* have params -> parse them */
1881             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1882             if (!opts)
1883                 return  -1;
1884         } else {
1885             /* create empty opts */
1886             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1887         }
1888         qemu_opt_set(opts, "driver", "virtio-balloon");
1889         return 0;
1890     }
1891
1892     return -1;
1893 }
1894
1895 char *qemu_find_file(int type, const char *name)
1896 {
1897     int len;
1898     const char *subdir;
1899     char *buf;
1900
1901     /* Try the name as a straight path first */
1902     if (access(name, R_OK) == 0) {
1903         return g_strdup(name);
1904     }
1905     switch (type) {
1906     case QEMU_FILE_TYPE_BIOS:
1907         subdir = "";
1908         break;
1909     case QEMU_FILE_TYPE_KEYMAP:
1910         subdir = "keymaps/";
1911         break;
1912     default:
1913         abort();
1914     }
1915     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1916     buf = g_malloc0(len);
1917     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1918     if (access(buf, R_OK)) {
1919         g_free(buf);
1920         return NULL;
1921     }
1922     return buf;
1923 }
1924
1925 static int device_help_func(QemuOpts *opts, void *opaque)
1926 {
1927     return qdev_device_help(opts);
1928 }
1929
1930 static int device_init_func(QemuOpts *opts, void *opaque)
1931 {
1932     DeviceState *dev;
1933
1934     dev = qdev_device_add(opts);
1935     if (!dev)
1936         return -1;
1937     return 0;
1938 }
1939
1940 static int chardev_init_func(QemuOpts *opts, void *opaque)
1941 {
1942     CharDriverState *chr;
1943
1944     chr = qemu_chr_new_from_opts(opts, NULL);
1945     if (!chr)
1946         return -1;
1947     return 0;
1948 }
1949
1950 #ifdef CONFIG_VIRTFS
1951 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1952 {
1953     int ret;
1954     ret = qemu_fsdev_add(opts);
1955
1956     return ret;
1957 }
1958 #endif
1959
1960 static int mon_init_func(QemuOpts *opts, void *opaque)
1961 {
1962     CharDriverState *chr;
1963     const char *chardev;
1964     const char *mode;
1965     int flags;
1966
1967     mode = qemu_opt_get(opts, "mode");
1968     if (mode == NULL) {
1969         mode = "readline";
1970     }
1971     if (strcmp(mode, "readline") == 0) {
1972         flags = MONITOR_USE_READLINE;
1973     } else if (strcmp(mode, "control") == 0) {
1974         flags = MONITOR_USE_CONTROL;
1975     } else {
1976         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1977         exit(1);
1978     }
1979
1980     if (qemu_opt_get_bool(opts, "pretty", 0))
1981         flags |= MONITOR_USE_PRETTY;
1982
1983     if (qemu_opt_get_bool(opts, "default", 0))
1984         flags |= MONITOR_IS_DEFAULT;
1985
1986     chardev = qemu_opt_get(opts, "chardev");
1987     chr = qemu_chr_find(chardev);
1988     if (chr == NULL) {
1989         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1990         exit(1);
1991     }
1992
1993     monitor_init(chr, flags);
1994     return 0;
1995 }
1996
1997 static void monitor_parse(const char *optarg, const char *mode)
1998 {
1999     static int monitor_device_index = 0;
2000     QemuOpts *opts;
2001     const char *p;
2002     char label[32];
2003     int def = 0;
2004
2005     if (strstart(optarg, "chardev:", &p)) {
2006         snprintf(label, sizeof(label), "%s", p);
2007     } else {
2008         snprintf(label, sizeof(label), "compat_monitor%d",
2009                  monitor_device_index);
2010         if (monitor_device_index == 0) {
2011             def = 1;
2012         }
2013         opts = qemu_chr_parse_compat(label, optarg);
2014         if (!opts) {
2015             fprintf(stderr, "parse error: %s\n", optarg);
2016             exit(1);
2017         }
2018     }
2019
2020     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2021     if (!opts) {
2022         fprintf(stderr, "duplicate chardev: %s\n", label);
2023         exit(1);
2024     }
2025     qemu_opt_set(opts, "mode", mode);
2026     qemu_opt_set(opts, "chardev", label);
2027     if (def)
2028         qemu_opt_set(opts, "default", "on");
2029     monitor_device_index++;
2030 }
2031
2032 struct device_config {
2033     enum {
2034         DEV_USB,       /* -usbdevice     */
2035         DEV_BT,        /* -bt            */
2036         DEV_SERIAL,    /* -serial        */
2037         DEV_PARALLEL,  /* -parallel      */
2038         DEV_VIRTCON,   /* -virtioconsole */
2039         DEV_DEBUGCON,  /* -debugcon */
2040         DEV_GDB,       /* -gdb, -s */
2041     } type;
2042     const char *cmdline;
2043     Location loc;
2044     QTAILQ_ENTRY(device_config) next;
2045 };
2046 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2047
2048 static void add_device_config(int type, const char *cmdline)
2049 {
2050     struct device_config *conf;
2051
2052     conf = g_malloc0(sizeof(*conf));
2053     conf->type = type;
2054     conf->cmdline = cmdline;
2055     loc_save(&conf->loc);
2056     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2057 }
2058
2059 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2060 {
2061     struct device_config *conf;
2062     int rc;
2063
2064     QTAILQ_FOREACH(conf, &device_configs, next) {
2065         if (conf->type != type)
2066             continue;
2067         loc_push_restore(&conf->loc);
2068         rc = func(conf->cmdline);
2069         loc_pop(&conf->loc);
2070         if (0 != rc)
2071             return rc;
2072     }
2073     return 0;
2074 }
2075
2076 static int serial_parse(const char *devname)
2077 {
2078     static int index = 0;
2079     char label[32];
2080
2081     if (strcmp(devname, "none") == 0)
2082         return 0;
2083     if (index == MAX_SERIAL_PORTS) {
2084         fprintf(stderr, "qemu: too many serial ports\n");
2085         exit(1);
2086     }
2087     snprintf(label, sizeof(label), "serial%d", index);
2088     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2089     if (!serial_hds[index]) {
2090         fprintf(stderr, "qemu: could not connect serial device"
2091                 " to character backend '%s'\n", devname);
2092         return -1;
2093     }
2094     index++;
2095     return 0;
2096 }
2097
2098 static int parallel_parse(const char *devname)
2099 {
2100     static int index = 0;
2101     char label[32];
2102
2103     if (strcmp(devname, "none") == 0)
2104         return 0;
2105     if (index == MAX_PARALLEL_PORTS) {
2106         fprintf(stderr, "qemu: too many parallel ports\n");
2107         exit(1);
2108     }
2109     snprintf(label, sizeof(label), "parallel%d", index);
2110     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2111     if (!parallel_hds[index]) {
2112         fprintf(stderr, "qemu: could not connect parallel device"
2113                 " to character backend '%s'\n", devname);
2114         return -1;
2115     }
2116     index++;
2117     return 0;
2118 }
2119
2120 static int virtcon_parse(const char *devname)
2121 {
2122     QemuOptsList *device = qemu_find_opts("device");
2123     static int index = 0;
2124     char label[32];
2125     QemuOpts *bus_opts, *dev_opts;
2126
2127     if (strcmp(devname, "none") == 0)
2128         return 0;
2129     if (index == MAX_VIRTIO_CONSOLES) {
2130         fprintf(stderr, "qemu: too many virtio consoles\n");
2131         exit(1);
2132     }
2133
2134     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2135     if (arch_type == QEMU_ARCH_S390X) {
2136         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2137     } else {
2138         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2139     }
2140
2141     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2142     qemu_opt_set(dev_opts, "driver", "virtconsole");
2143
2144     snprintf(label, sizeof(label), "virtcon%d", index);
2145     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2146     if (!virtcon_hds[index]) {
2147         fprintf(stderr, "qemu: could not connect virtio console"
2148                 " to character backend '%s'\n", devname);
2149         return -1;
2150     }
2151     qemu_opt_set(dev_opts, "chardev", label);
2152
2153     index++;
2154     return 0;
2155 }
2156
2157 static int debugcon_parse(const char *devname)
2158 {
2159     QemuOpts *opts;
2160
2161     if (!qemu_chr_new("debugcon", devname, NULL)) {
2162         exit(1);
2163     }
2164     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2165     if (!opts) {
2166         fprintf(stderr, "qemu: already have a debugcon device\n");
2167         exit(1);
2168     }
2169     qemu_opt_set(opts, "driver", "isa-debugcon");
2170     qemu_opt_set(opts, "chardev", "debugcon");
2171     return 0;
2172 }
2173
2174 static QEMUMachine *machine_parse(const char *name)
2175 {
2176     QEMUMachine *m, *machine = NULL;
2177
2178     if (name) {
2179         machine = find_machine(name);
2180     }
2181     if (machine) {
2182         return machine;
2183     }
2184     printf("Supported machines are:\n");
2185     for (m = first_machine; m != NULL; m = m->next) {
2186         if (m->alias) {
2187             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2188         }
2189         printf("%-20s %s%s\n", m->name, m->desc,
2190                m->is_default ? " (default)" : "");
2191     }
2192     exit(!name || !is_help_option(name));
2193 }
2194
2195 static int tcg_init(void)
2196 {
2197     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2198     return 0;
2199 }
2200
2201 static struct {
2202     const char *opt_name;
2203     const char *name;
2204     int (*available)(void);
2205     int (*init)(void);
2206     int *allowed;
2207 } accel_list[] = {
2208     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2209     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2210     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2211     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2212 };
2213
2214 static int configure_accelerator(void)
2215 {
2216     const char *p = NULL;
2217     char buf[10];
2218     int i, ret;
2219     bool accel_initialised = 0;
2220     bool init_failed = 0;
2221
2222     QemuOptsList *list = qemu_find_opts("machine");
2223     if (!QTAILQ_EMPTY(&list->head)) {
2224         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2225     }
2226
2227     if (p == NULL) {
2228         /* Use the default "accelerator", tcg */
2229         p = "tcg";
2230     }
2231
2232     while (!accel_initialised && *p != '\0') {
2233         if (*p == ':') {
2234             p++;
2235         }
2236         p = get_opt_name(buf, sizeof (buf), p, ':');
2237         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2238             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2239                 *(accel_list[i].allowed) = 1;
2240                 ret = accel_list[i].init();
2241                 if (ret < 0) {
2242                     init_failed = 1;
2243                     if (!accel_list[i].available()) {
2244                         printf("%s not supported for this target\n",
2245                                accel_list[i].name);
2246                     } else {
2247                         fprintf(stderr, "failed to initialize %s: %s\n",
2248                                 accel_list[i].name,
2249                                 strerror(-ret));
2250                     }
2251                     *(accel_list[i].allowed) = 0;
2252                 } else {
2253                     accel_initialised = 1;
2254                 }
2255                 break;
2256             }
2257         }
2258         if (i == ARRAY_SIZE(accel_list)) {
2259             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2260         }
2261     }
2262
2263     if (!accel_initialised) {
2264         fprintf(stderr, "No accelerator found!\n");
2265         exit(1);
2266     }
2267
2268     if (init_failed) {
2269         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2270     }
2271
2272     return !accel_initialised;
2273 }
2274
2275 void qemu_add_exit_notifier(Notifier *notify)
2276 {
2277     notifier_list_add(&exit_notifiers, notify);
2278 }
2279
2280 void qemu_remove_exit_notifier(Notifier *notify)
2281 {
2282     notifier_remove(notify);
2283 }
2284
2285 static void qemu_run_exit_notifiers(void)
2286 {
2287     notifier_list_notify(&exit_notifiers, NULL);
2288 }
2289
2290 void qemu_add_machine_init_done_notifier(Notifier *notify)
2291 {
2292     notifier_list_add(&machine_init_done_notifiers, notify);
2293 }
2294
2295 static void qemu_run_machine_init_done_notifiers(void)
2296 {
2297     notifier_list_notify(&machine_init_done_notifiers, NULL);
2298 }
2299
2300 static const QEMUOption *lookup_opt(int argc, char **argv,
2301                                     const char **poptarg, int *poptind)
2302 {
2303     const QEMUOption *popt;
2304     int optind = *poptind;
2305     char *r = argv[optind];
2306     const char *optarg;
2307
2308     loc_set_cmdline(argv, optind, 1);
2309     optind++;
2310     /* Treat --foo the same as -foo.  */
2311     if (r[1] == '-')
2312         r++;
2313     popt = qemu_options;
2314     for(;;) {
2315         if (!popt->name) {
2316             error_report("invalid option");
2317             exit(1);
2318         }
2319         if (!strcmp(popt->name, r + 1))
2320             break;
2321         popt++;
2322     }
2323     if (popt->flags & HAS_ARG) {
2324         if (optind >= argc) {
2325             error_report("requires an argument");
2326             exit(1);
2327         }
2328         optarg = argv[optind++];
2329         loc_set_cmdline(argv, optind - 2, 2);
2330     } else {
2331         optarg = NULL;
2332     }
2333
2334     *poptarg = optarg;
2335     *poptind = optind;
2336
2337     return popt;
2338 }
2339
2340 static gpointer malloc_and_trace(gsize n_bytes)
2341 {
2342     void *ptr = malloc(n_bytes);
2343     trace_g_malloc(n_bytes, ptr);
2344     return ptr;
2345 }
2346
2347 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2348 {
2349     void *ptr = realloc(mem, n_bytes);
2350     trace_g_realloc(mem, n_bytes, ptr);
2351     return ptr;
2352 }
2353
2354 static void free_and_trace(gpointer mem)
2355 {
2356     trace_g_free(mem);
2357     free(mem);
2358 }
2359
2360 int main(int argc, char **argv, char **envp)
2361 {
2362     int i;
2363     int snapshot, linux_boot;
2364     const char *icount_option = NULL;
2365     const char *initrd_filename;
2366     const char *kernel_filename, *kernel_cmdline;
2367     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2368     DisplayState *ds;
2369     DisplayChangeListener *dcl;
2370     int cyls, heads, secs, translation;
2371     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2372     QemuOptsList *olist;
2373     int optind;
2374     const char *optarg;
2375     const char *loadvm = NULL;
2376     QEMUMachine *machine;
2377     const char *cpu_model;
2378     const char *vga_model = "none";
2379     const char *pid_file = NULL;
2380     const char *incoming = NULL;
2381 #ifdef CONFIG_VNC
2382     int show_vnc_port = 0;
2383 #endif
2384     bool defconfig = true;
2385     bool userconfig = true;
2386     const char *log_mask = NULL;
2387     const char *log_file = NULL;
2388     GMemVTable mem_trace = {
2389         .malloc = malloc_and_trace,
2390         .realloc = realloc_and_trace,
2391         .free = free_and_trace,
2392     };
2393     const char *trace_events = NULL;
2394     const char *trace_file = NULL;
2395
2396     atexit(qemu_run_exit_notifiers);
2397     error_set_progname(argv[0]);
2398
2399     g_mem_set_vtable(&mem_trace);
2400     if (!g_thread_supported()) {
2401 #if !GLIB_CHECK_VERSION(2, 31, 0)
2402         g_thread_init(NULL);
2403 #else
2404         fprintf(stderr, "glib threading failed to initialize.\n");
2405         exit(1);
2406 #endif
2407     }
2408
2409     module_call_init(MODULE_INIT_QOM);
2410
2411     runstate_init();
2412
2413     init_clocks();
2414     rtc_clock = host_clock;
2415
2416     qemu_cache_utils_init(envp);
2417
2418     QLIST_INIT (&vm_change_state_head);
2419     os_setup_early_signal_handling();
2420
2421     module_call_init(MODULE_INIT_MACHINE);
2422     machine = find_default_machine();
2423     cpu_model = NULL;
2424     ram_size = 0;
2425     snapshot = 0;
2426     cyls = heads = secs = 0;
2427     translation = BIOS_ATA_TRANSLATION_AUTO;
2428
2429     for (i = 0; i < MAX_NODES; i++) {
2430         node_mem[i] = 0;
2431         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2432     }
2433
2434     nb_numa_nodes = 0;
2435     nb_nics = 0;
2436
2437     autostart= 1;
2438
2439     /* first pass of option parsing */
2440     optind = 1;
2441     while (optind < argc) {
2442         if (argv[optind][0] != '-') {
2443             /* disk image */
2444             optind++;
2445             continue;
2446         } else {
2447             const QEMUOption *popt;
2448
2449             popt = lookup_opt(argc, argv, &optarg, &optind);
2450             switch (popt->index) {
2451             case QEMU_OPTION_nodefconfig:
2452                 defconfig = false;
2453                 break;
2454             case QEMU_OPTION_nouserconfig:
2455                 userconfig = false;
2456                 break;
2457             }
2458         }
2459     }
2460
2461     if (defconfig) {
2462         int ret;
2463         ret = qemu_read_default_config_files(userconfig);
2464         if (ret < 0) {
2465             exit(1);
2466         }
2467     }
2468
2469     /* second pass of option parsing */
2470     optind = 1;
2471     for(;;) {
2472         if (optind >= argc)
2473             break;
2474         if (argv[optind][0] != '-') {
2475             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2476         } else {
2477             const QEMUOption *popt;
2478
2479             popt = lookup_opt(argc, argv, &optarg, &optind);
2480             if (!(popt->arch_mask & arch_type)) {
2481                 printf("Option %s not supported for this target\n", popt->name);
2482                 exit(1);
2483             }
2484             switch(popt->index) {
2485             case QEMU_OPTION_M:
2486                 machine = machine_parse(optarg);
2487                 break;
2488             case QEMU_OPTION_cpu:
2489                 /* hw initialization will check this */
2490                 cpu_model = optarg;
2491                 break;
2492             case QEMU_OPTION_hda:
2493                 {
2494                     char buf[256];
2495                     if (cyls == 0)
2496                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2497                     else
2498                         snprintf(buf, sizeof(buf),
2499                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2500                                  HD_OPTS , cyls, heads, secs,
2501                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2502                                  ",trans=lba" :
2503                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2504                                  ",trans=none" : "");
2505                     drive_add(IF_DEFAULT, 0, optarg, buf);
2506                     break;
2507                 }
2508             case QEMU_OPTION_hdb:
2509             case QEMU_OPTION_hdc:
2510             case QEMU_OPTION_hdd:
2511                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2512                           HD_OPTS);
2513                 break;
2514             case QEMU_OPTION_drive:
2515                 if (drive_def(optarg) == NULL) {
2516                     exit(1);
2517                 }
2518                 break;
2519             case QEMU_OPTION_set:
2520                 if (qemu_set_option(optarg) != 0)
2521                     exit(1);
2522                 break;
2523             case QEMU_OPTION_global:
2524                 if (qemu_global_option(optarg) != 0)
2525                     exit(1);
2526                 break;
2527             case QEMU_OPTION_mtdblock:
2528                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2529                 break;
2530             case QEMU_OPTION_sd:
2531                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2532                 break;
2533             case QEMU_OPTION_pflash:
2534                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2535                 break;
2536             case QEMU_OPTION_snapshot:
2537                 snapshot = 1;
2538                 break;
2539             case QEMU_OPTION_hdachs:
2540                 {
2541                     const char *p;
2542                     p = optarg;
2543                     cyls = strtol(p, (char **)&p, 0);
2544                     if (cyls < 1 || cyls > 16383)
2545                         goto chs_fail;
2546                     if (*p != ',')
2547                         goto chs_fail;
2548                     p++;
2549                     heads = strtol(p, (char **)&p, 0);
2550                     if (heads < 1 || heads > 16)
2551                         goto chs_fail;
2552                     if (*p != ',')
2553                         goto chs_fail;
2554                     p++;
2555                     secs = strtol(p, (char **)&p, 0);
2556                     if (secs < 1 || secs > 63)
2557                         goto chs_fail;
2558                     if (*p == ',') {
2559                         p++;
2560                         if (!strcmp(p, "none"))
2561                             translation = BIOS_ATA_TRANSLATION_NONE;
2562                         else if (!strcmp(p, "lba"))
2563                             translation = BIOS_ATA_TRANSLATION_LBA;
2564                         else if (!strcmp(p, "auto"))
2565                             translation = BIOS_ATA_TRANSLATION_AUTO;
2566                         else
2567                             goto chs_fail;
2568                     } else if (*p != '\0') {
2569                     chs_fail:
2570                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2571                         exit(1);
2572                     }
2573                     if (hda_opts != NULL) {
2574                         char num[16];
2575                         snprintf(num, sizeof(num), "%d", cyls);
2576                         qemu_opt_set(hda_opts, "cyls", num);
2577                         snprintf(num, sizeof(num), "%d", heads);
2578                         qemu_opt_set(hda_opts, "heads", num);
2579                         snprintf(num, sizeof(num), "%d", secs);
2580                         qemu_opt_set(hda_opts, "secs", num);
2581                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2582                             qemu_opt_set(hda_opts, "trans", "lba");
2583                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2584                             qemu_opt_set(hda_opts, "trans", "none");
2585                     }
2586                 }
2587                 break;
2588             case QEMU_OPTION_numa:
2589                 if (nb_numa_nodes >= MAX_NODES) {
2590                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2591                     exit(1);
2592                 }
2593                 numa_add(optarg);
2594                 break;
2595             case QEMU_OPTION_display:
2596                 display_type = select_display(optarg);
2597                 break;
2598             case QEMU_OPTION_nographic:
2599                 display_type = DT_NOGRAPHIC;
2600                 break;
2601             case QEMU_OPTION_curses:
2602 #ifdef CONFIG_CURSES
2603                 display_type = DT_CURSES;
2604 #else
2605                 fprintf(stderr, "Curses support is disabled\n");
2606                 exit(1);
2607 #endif
2608                 break;
2609             case QEMU_OPTION_portrait:
2610                 graphic_rotate = 90;
2611                 break;
2612             case QEMU_OPTION_rotate:
2613                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2614                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2615                     graphic_rotate != 180 && graphic_rotate != 270) {
2616                     fprintf(stderr,
2617                         "qemu: only 90, 180, 270 deg rotation is available\n");
2618                     exit(1);
2619                 }
2620                 break;
2621             case QEMU_OPTION_kernel:
2622                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2623                 break;
2624             case QEMU_OPTION_initrd:
2625                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2626                 break;
2627             case QEMU_OPTION_append:
2628                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2629                 break;
2630             case QEMU_OPTION_dtb:
2631                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2632                 break;
2633             case QEMU_OPTION_cdrom:
2634                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2635                 break;
2636             case QEMU_OPTION_boot:
2637                 {
2638                     static const char * const params[] = {
2639                         "order", "once", "menu",
2640                         "splash", "splash-time",
2641                         "reboot-timeout", NULL
2642                     };
2643                     char buf[sizeof(boot_devices)];
2644                     char *standard_boot_devices;
2645                     int legacy = 0;
2646
2647                     if (!strchr(optarg, '=')) {
2648                         legacy = 1;
2649                         pstrcpy(buf, sizeof(buf), optarg);
2650                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2651                         fprintf(stderr,
2652                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2653                                 buf, optarg);
2654                         exit(1);
2655                     }
2656
2657                     if (legacy ||
2658                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2659                         validate_bootdevices(buf);
2660                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2661                     }
2662                     if (!legacy) {
2663                         if (get_param_value(buf, sizeof(buf),
2664                                             "once", optarg)) {
2665                             validate_bootdevices(buf);
2666                             standard_boot_devices = g_strdup(boot_devices);
2667                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2668                             qemu_register_reset(restore_boot_devices,
2669                                                 standard_boot_devices);
2670                         }
2671                         if (get_param_value(buf, sizeof(buf),
2672                                             "menu", optarg)) {
2673                             if (!strcmp(buf, "on")) {
2674                                 boot_menu = 1;
2675                             } else if (!strcmp(buf, "off")) {
2676                                 boot_menu = 0;
2677                             } else {
2678                                 fprintf(stderr,
2679                                         "qemu: invalid option value '%s'\n",
2680                                         buf);
2681                                 exit(1);
2682                             }
2683                         }
2684                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2685                                         optarg, 0);
2686                     }
2687                 }
2688                 break;
2689             case QEMU_OPTION_fda:
2690             case QEMU_OPTION_fdb:
2691                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2692                           optarg, FD_OPTS);
2693                 break;
2694             case QEMU_OPTION_no_fd_bootchk:
2695                 fd_bootchk = 0;
2696                 break;
2697             case QEMU_OPTION_netdev:
2698                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2699                     exit(1);
2700                 }
2701                 break;
2702             case QEMU_OPTION_net:
2703                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2704                     exit(1);
2705                 }
2706                 break;
2707 #ifdef CONFIG_LIBISCSI
2708             case QEMU_OPTION_iscsi:
2709                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2710                 if (!opts) {
2711                     exit(1);
2712                 }
2713                 break;
2714 #endif
2715 #ifdef CONFIG_SLIRP
2716             case QEMU_OPTION_tftp:
2717                 legacy_tftp_prefix = optarg;
2718                 break;
2719             case QEMU_OPTION_bootp:
2720                 legacy_bootp_filename = optarg;
2721                 break;
2722             case QEMU_OPTION_redir:
2723                 if (net_slirp_redir(optarg) < 0)
2724                     exit(1);
2725                 break;
2726 #endif
2727             case QEMU_OPTION_bt:
2728                 add_device_config(DEV_BT, optarg);
2729                 break;
2730             case QEMU_OPTION_audio_help:
2731                 if (!(audio_available())) {
2732                     printf("Option %s not supported for this target\n", popt->name);
2733                     exit(1);
2734                 }
2735                 AUD_help ();
2736                 exit (0);
2737                 break;
2738             case QEMU_OPTION_soundhw:
2739                 if (!(audio_available())) {
2740                     printf("Option %s not supported for this target\n", popt->name);
2741                     exit(1);
2742                 }
2743                 select_soundhw (optarg);
2744                 break;
2745             case QEMU_OPTION_h:
2746                 help(0);
2747                 break;
2748             case QEMU_OPTION_version:
2749                 version();
2750                 exit(0);
2751                 break;
2752             case QEMU_OPTION_m: {
2753                 int64_t value;
2754                 uint64_t sz;
2755                 char *end;
2756
2757                 value = strtosz(optarg, &end);
2758                 if (value < 0 || *end) {
2759                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2760                     exit(1);
2761                 }
2762                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2763                 ram_size = sz;
2764                 if (ram_size != sz) {
2765                     fprintf(stderr, "qemu: ram size too large\n");
2766                     exit(1);
2767                 }
2768                 break;
2769             }
2770             case QEMU_OPTION_mempath:
2771                 mem_path = optarg;
2772                 break;
2773 #ifdef MAP_POPULATE
2774             case QEMU_OPTION_mem_prealloc:
2775                 mem_prealloc = 1;
2776                 break;
2777 #endif
2778             case QEMU_OPTION_d:
2779                 log_mask = optarg;
2780                 break;
2781             case QEMU_OPTION_D:
2782                 log_file = optarg;
2783                 break;
2784             case QEMU_OPTION_s:
2785                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2786                 break;
2787             case QEMU_OPTION_gdb:
2788                 add_device_config(DEV_GDB, optarg);
2789                 break;
2790             case QEMU_OPTION_L:
2791                 data_dir = optarg;
2792                 break;
2793             case QEMU_OPTION_bios:
2794                 bios_name = optarg;
2795                 break;
2796             case QEMU_OPTION_singlestep:
2797                 singlestep = 1;
2798                 break;
2799             case QEMU_OPTION_S:
2800                 autostart = 0;
2801                 break;
2802             case QEMU_OPTION_k:
2803                 keyboard_layout = optarg;
2804                 break;
2805             case QEMU_OPTION_localtime:
2806                 rtc_utc = 0;
2807                 break;
2808             case QEMU_OPTION_vga:
2809                 vga_model = optarg;
2810                 default_vga = 0;
2811                 break;
2812             case QEMU_OPTION_g:
2813                 {
2814                     const char *p;
2815                     int w, h, depth;
2816                     p = optarg;
2817                     w = strtol(p, (char **)&p, 10);
2818                     if (w <= 0) {
2819                     graphic_error:
2820                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2821                         exit(1);
2822                     }
2823                     if (*p != 'x')
2824                         goto graphic_error;
2825                     p++;
2826                     h = strtol(p, (char **)&p, 10);
2827                     if (h <= 0)
2828                         goto graphic_error;
2829                     if (*p == 'x') {
2830                         p++;
2831                         depth = strtol(p, (char **)&p, 10);
2832                         if (depth != 8 && depth != 15 && depth != 16 &&
2833                             depth != 24 && depth != 32)
2834                             goto graphic_error;
2835                     } else if (*p == '\0') {
2836                         depth = graphic_depth;
2837                     } else {
2838                         goto graphic_error;
2839                     }
2840
2841                     graphic_width = w;
2842                     graphic_height = h;
2843                     graphic_depth = depth;
2844                 }
2845                 break;
2846             case QEMU_OPTION_echr:
2847                 {
2848                     char *r;
2849                     term_escape_char = strtol(optarg, &r, 0);
2850                     if (r == optarg)
2851                         printf("Bad argument to echr\n");
2852                     break;
2853                 }
2854             case QEMU_OPTION_monitor:
2855                 monitor_parse(optarg, "readline");
2856                 default_monitor = 0;
2857                 break;
2858             case QEMU_OPTION_qmp:
2859                 monitor_parse(optarg, "control");
2860                 default_monitor = 0;
2861                 break;
2862             case QEMU_OPTION_mon:
2863                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2864                 if (!opts) {
2865                     exit(1);
2866                 }
2867                 default_monitor = 0;
2868                 break;
2869             case QEMU_OPTION_chardev:
2870                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2871                 if (!opts) {
2872                     exit(1);
2873                 }
2874                 break;
2875             case QEMU_OPTION_fsdev:
2876                 olist = qemu_find_opts("fsdev");
2877                 if (!olist) {
2878                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2879                     exit(1);
2880                 }
2881                 opts = qemu_opts_parse(olist, optarg, 1);
2882                 if (!opts) {
2883                     fprintf(stderr, "parse error: %s\n", optarg);
2884                     exit(1);
2885                 }
2886                 break;
2887             case QEMU_OPTION_virtfs: {
2888                 QemuOpts *fsdev;
2889                 QemuOpts *device;
2890                 const char *writeout, *sock_fd, *socket;
2891
2892                 olist = qemu_find_opts("virtfs");
2893                 if (!olist) {
2894                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2895                     exit(1);
2896                 }
2897                 opts = qemu_opts_parse(olist, optarg, 1);
2898                 if (!opts) {
2899                     fprintf(stderr, "parse error: %s\n", optarg);
2900                     exit(1);
2901                 }
2902
2903                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2904                     qemu_opt_get(opts, "mount_tag") == NULL) {
2905                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2906                     exit(1);
2907                 }
2908                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2909                                          qemu_opt_get(opts, "mount_tag"),
2910                                          1, NULL);
2911                 if (!fsdev) {
2912                     fprintf(stderr, "duplicate fsdev id: %s\n",
2913                             qemu_opt_get(opts, "mount_tag"));
2914                     exit(1);
2915                 }
2916
2917                 writeout = qemu_opt_get(opts, "writeout");
2918                 if (writeout) {
2919 #ifdef CONFIG_SYNC_FILE_RANGE
2920                     qemu_opt_set(fsdev, "writeout", writeout);
2921 #else
2922                     fprintf(stderr, "writeout=immediate not supported on "
2923                             "this platform\n");
2924                     exit(1);
2925 #endif
2926                 }
2927                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2928                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2929                 qemu_opt_set(fsdev, "security_model",
2930                              qemu_opt_get(opts, "security_model"));
2931                 socket = qemu_opt_get(opts, "socket");
2932                 if (socket) {
2933                     qemu_opt_set(fsdev, "socket", socket);
2934                 }
2935                 sock_fd = qemu_opt_get(opts, "sock_fd");
2936                 if (sock_fd) {
2937                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
2938                 }
2939
2940                 qemu_opt_set_bool(fsdev, "readonly",
2941                                 qemu_opt_get_bool(opts, "readonly", 0));
2942                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2943                                           NULL);
2944                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2945                 qemu_opt_set(device, "fsdev",
2946                              qemu_opt_get(opts, "mount_tag"));
2947                 qemu_opt_set(device, "mount_tag",
2948                              qemu_opt_get(opts, "mount_tag"));
2949                 break;
2950             }
2951             case QEMU_OPTION_virtfs_synth: {
2952                 QemuOpts *fsdev;
2953                 QemuOpts *device;
2954
2955                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2956                                          1, NULL);
2957                 if (!fsdev) {
2958                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2959                     exit(1);
2960                 }
2961                 qemu_opt_set(fsdev, "fsdriver", "synth");
2962
2963                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2964                                           NULL);
2965                 qemu_opt_set(device, "driver", "virtio-9p-pci");
2966                 qemu_opt_set(device, "fsdev", "v_synth");
2967                 qemu_opt_set(device, "mount_tag", "v_synth");
2968                 break;
2969             }
2970             case QEMU_OPTION_serial:
2971                 add_device_config(DEV_SERIAL, optarg);
2972                 default_serial = 0;
2973                 if (strncmp(optarg, "mon:", 4) == 0) {
2974                     default_monitor = 0;
2975                 }
2976                 break;
2977             case QEMU_OPTION_watchdog:
2978                 if (watchdog) {
2979                     fprintf(stderr,
2980                             "qemu: only one watchdog option may be given\n");
2981                     return 1;
2982                 }
2983                 watchdog = optarg;
2984                 break;
2985             case QEMU_OPTION_watchdog_action:
2986                 if (select_watchdog_action(optarg) == -1) {
2987                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
2988                     exit(1);
2989                 }
2990                 break;
2991             case QEMU_OPTION_virtiocon:
2992                 add_device_config(DEV_VIRTCON, optarg);
2993                 default_virtcon = 0;
2994                 if (strncmp(optarg, "mon:", 4) == 0) {
2995                     default_monitor = 0;
2996                 }
2997                 break;
2998             case QEMU_OPTION_parallel:
2999                 add_device_config(DEV_PARALLEL, optarg);
3000                 default_parallel = 0;
3001                 if (strncmp(optarg, "mon:", 4) == 0) {
3002                     default_monitor = 0;
3003                 }
3004                 break;
3005             case QEMU_OPTION_debugcon:
3006                 add_device_config(DEV_DEBUGCON, optarg);
3007                 break;
3008             case QEMU_OPTION_loadvm:
3009                 loadvm = optarg;
3010                 break;
3011             case QEMU_OPTION_full_screen:
3012                 full_screen = 1;
3013                 break;
3014 #ifdef CONFIG_SDL
3015             case QEMU_OPTION_no_frame:
3016                 no_frame = 1;
3017                 break;
3018             case QEMU_OPTION_alt_grab:
3019                 alt_grab = 1;
3020                 break;
3021             case QEMU_OPTION_ctrl_grab:
3022                 ctrl_grab = 1;
3023                 break;
3024             case QEMU_OPTION_no_quit:
3025                 no_quit = 1;
3026                 break;
3027             case QEMU_OPTION_sdl:
3028                 display_type = DT_SDL;
3029                 break;
3030 #else
3031             case QEMU_OPTION_no_frame:
3032             case QEMU_OPTION_alt_grab:
3033             case QEMU_OPTION_ctrl_grab:
3034             case QEMU_OPTION_no_quit:
3035             case QEMU_OPTION_sdl:
3036                 fprintf(stderr, "SDL support is disabled\n");
3037                 exit(1);
3038 #endif
3039             case QEMU_OPTION_pidfile:
3040                 pid_file = optarg;
3041                 break;
3042             case QEMU_OPTION_win2k_hack:
3043                 win2k_install_hack = 1;
3044                 break;
3045             case QEMU_OPTION_rtc_td_hack: {
3046                 static GlobalProperty slew_lost_ticks[] = {
3047                     {
3048                         .driver   = "mc146818rtc",
3049                         .property = "lost_tick_policy",
3050                         .value    = "slew",
3051                     },
3052                     { /* end of list */ }
3053                 };
3054
3055                 qdev_prop_register_global_list(slew_lost_ticks);
3056                 break;
3057             }
3058             case QEMU_OPTION_acpitable:
3059                 do_acpitable_option(optarg);
3060                 break;
3061             case QEMU_OPTION_smbios:
3062                 do_smbios_option(optarg);
3063                 break;
3064             case QEMU_OPTION_enable_kvm:
3065                 olist = qemu_find_opts("machine");
3066                 qemu_opts_parse(olist, "accel=kvm", 0);
3067                 break;
3068             case QEMU_OPTION_machine:
3069                 olist = qemu_find_opts("machine");
3070                 opts = qemu_opts_parse(olist, optarg, 1);
3071                 if (!opts) {
3072                     fprintf(stderr, "parse error: %s\n", optarg);
3073                     exit(1);
3074                 }
3075                 optarg = qemu_opt_get(opts, "type");
3076                 if (optarg) {
3077                     machine = machine_parse(optarg);
3078                 }
3079                 break;
3080             case QEMU_OPTION_usb:
3081                 usb_enabled = 1;
3082                 break;
3083             case QEMU_OPTION_usbdevice:
3084                 usb_enabled = 1;
3085                 add_device_config(DEV_USB, optarg);
3086                 break;
3087             case QEMU_OPTION_device:
3088                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3089                     exit(1);
3090                 }
3091                 break;
3092             case QEMU_OPTION_smp:
3093                 smp_parse(optarg);
3094                 if (smp_cpus < 1) {
3095                     fprintf(stderr, "Invalid number of CPUs\n");
3096                     exit(1);
3097                 }
3098                 if (max_cpus < smp_cpus) {
3099                     fprintf(stderr, "maxcpus must be equal to or greater than "
3100                             "smp\n");
3101                     exit(1);
3102                 }
3103                 if (max_cpus > 255) {
3104                     fprintf(stderr, "Unsupported number of maxcpus\n");
3105                     exit(1);
3106                 }
3107                 break;
3108             case QEMU_OPTION_vnc:
3109 #ifdef CONFIG_VNC
3110                 display_remote++;
3111                 vnc_display = optarg;
3112 #else
3113                 fprintf(stderr, "VNC support is disabled\n");
3114                 exit(1);
3115 #endif
3116                 break;
3117             case QEMU_OPTION_no_acpi:
3118                 acpi_enabled = 0;
3119                 break;
3120             case QEMU_OPTION_no_hpet:
3121                 no_hpet = 1;
3122                 break;
3123             case QEMU_OPTION_balloon:
3124                 if (balloon_parse(optarg) < 0) {
3125                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3126                     exit(1);
3127                 }
3128                 break;
3129             case QEMU_OPTION_no_reboot:
3130                 no_reboot = 1;
3131                 break;
3132             case QEMU_OPTION_no_shutdown:
3133                 no_shutdown = 1;
3134                 break;
3135             case QEMU_OPTION_show_cursor:
3136                 cursor_hide = 0;
3137                 break;
3138             case QEMU_OPTION_uuid:
3139                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3140                     fprintf(stderr, "Fail to parse UUID string."
3141                             " Wrong format.\n");
3142                     exit(1);
3143                 }
3144                 break;
3145             case QEMU_OPTION_option_rom:
3146                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3147                     fprintf(stderr, "Too many option ROMs\n");
3148                     exit(1);
3149                 }
3150                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3151                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3152                 option_rom[nb_option_roms].bootindex =
3153                     qemu_opt_get_number(opts, "bootindex", -1);
3154                 if (!option_rom[nb_option_roms].name) {
3155                     fprintf(stderr, "Option ROM file is not specified\n");
3156                     exit(1);
3157                 }
3158                 nb_option_roms++;
3159                 break;
3160             case QEMU_OPTION_semihosting:
3161                 semihosting_enabled = 1;
3162                 break;
3163             case QEMU_OPTION_name:
3164                 qemu_name = g_strdup(optarg);
3165                  {
3166                      char *p = strchr(qemu_name, ',');
3167                      if (p != NULL) {
3168                         *p++ = 0;
3169                         if (strncmp(p, "process=", 8)) {
3170                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3171                             exit(1);
3172                         }
3173                         p += 8;
3174                         os_set_proc_name(p);
3175                      }
3176                  }
3177                 break;
3178             case QEMU_OPTION_prom_env:
3179                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3180                     fprintf(stderr, "Too many prom variables\n");
3181                     exit(1);
3182                 }
3183                 prom_envs[nb_prom_envs] = optarg;
3184                 nb_prom_envs++;
3185                 break;
3186             case QEMU_OPTION_old_param:
3187                 old_param = 1;
3188                 break;
3189             case QEMU_OPTION_clock:
3190                 configure_alarms(optarg);
3191                 break;
3192             case QEMU_OPTION_startdate:
3193                 configure_rtc_date_offset(optarg, 1);
3194                 break;
3195             case QEMU_OPTION_rtc:
3196                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3197                 if (!opts) {
3198                     exit(1);
3199                 }
3200                 configure_rtc(opts);
3201                 break;
3202             case QEMU_OPTION_tb_size:
3203                 tcg_tb_size = strtol(optarg, NULL, 0);
3204                 if (tcg_tb_size < 0) {
3205                     tcg_tb_size = 0;
3206                 }
3207                 break;
3208             case QEMU_OPTION_icount:
3209                 icount_option = optarg;
3210                 break;
3211             case QEMU_OPTION_incoming:
3212                 incoming = optarg;
3213                 runstate_set(RUN_STATE_INMIGRATE);
3214                 break;
3215             case QEMU_OPTION_nodefaults:
3216                 default_serial = 0;
3217                 default_parallel = 0;
3218                 default_virtcon = 0;
3219                 default_monitor = 0;
3220                 default_net = 0;
3221                 default_floppy = 0;
3222                 default_cdrom = 0;
3223                 default_sdcard = 0;
3224                 default_vga = 0;
3225                 break;
3226             case QEMU_OPTION_xen_domid:
3227                 if (!(xen_available())) {
3228                     printf("Option %s not supported for this target\n", popt->name);
3229                     exit(1);
3230                 }
3231                 xen_domid = atoi(optarg);
3232                 break;
3233             case QEMU_OPTION_xen_create:
3234                 if (!(xen_available())) {
3235                     printf("Option %s not supported for this target\n", popt->name);
3236                     exit(1);
3237                 }
3238                 xen_mode = XEN_CREATE;
3239                 break;
3240             case QEMU_OPTION_xen_attach:
3241                 if (!(xen_available())) {
3242                     printf("Option %s not supported for this target\n", popt->name);
3243                     exit(1);
3244                 }
3245                 xen_mode = XEN_ATTACH;
3246                 break;
3247             case QEMU_OPTION_trace:
3248             {
3249                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3250                 if (!opts) {
3251                     exit(1);
3252                 }
3253                 trace_events = qemu_opt_get(opts, "events");
3254                 trace_file = qemu_opt_get(opts, "file");
3255                 break;
3256             }
3257             case QEMU_OPTION_readconfig:
3258                 {
3259                     int ret = qemu_read_config_file(optarg);
3260                     if (ret < 0) {
3261                         fprintf(stderr, "read config %s: %s\n", optarg,
3262                             strerror(-ret));
3263                         exit(1);
3264                     }
3265                     break;
3266                 }
3267             case QEMU_OPTION_spice:
3268                 olist = qemu_find_opts("spice");
3269                 if (!olist) {
3270                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3271                     exit(1);
3272                 }
3273                 opts = qemu_opts_parse(olist, optarg, 0);
3274                 if (!opts) {
3275                     fprintf(stderr, "parse error: %s\n", optarg);
3276                     exit(1);
3277                 }
3278                 break;
3279             case QEMU_OPTION_writeconfig:
3280                 {
3281                     FILE *fp;
3282                     if (strcmp(optarg, "-") == 0) {
3283                         fp = stdout;
3284                     } else {
3285                         fp = fopen(optarg, "w");
3286                         if (fp == NULL) {
3287                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3288                             exit(1);
3289                         }
3290                     }
3291                     qemu_config_write(fp);
3292                     fclose(fp);
3293                     break;
3294                 }
3295             case QEMU_OPTION_qtest:
3296                 qtest_chrdev = optarg;
3297                 break;
3298             case QEMU_OPTION_qtest_log:
3299                 qtest_log = optarg;
3300                 break;
3301             case QEMU_OPTION_sandbox:
3302                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3303                 if (!opts) {
3304                     exit(0);
3305                 }
3306                 break;
3307             default:
3308                 os_parse_cmd_args(popt->index, optarg);
3309             }
3310         }
3311     }
3312     loc_set_none();
3313
3314     qemu_init_cpu_loop();
3315     if (qemu_init_main_loop()) {
3316         fprintf(stderr, "qemu_init_main_loop failed\n");
3317         exit(1);
3318     }
3319
3320     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3321         exit(1);
3322     }
3323
3324     if (machine == NULL) {
3325         fprintf(stderr, "No machine found.\n");
3326         exit(1);
3327     }
3328
3329     if (machine->hw_version) {
3330         qemu_set_version(machine->hw_version);
3331     }
3332
3333     /* Init CPU def lists, based on config
3334      * - Must be called after all the qemu_read_config_file() calls
3335      * - Must be called before list_cpus()
3336      * - Must be called before machine->init()
3337      */
3338     cpudef_init();
3339
3340     if (cpu_model && is_help_option(cpu_model)) {
3341         list_cpus(stdout, &fprintf, cpu_model);
3342         exit(0);
3343     }
3344
3345     /* Open the logfile at this point, if necessary. We can't open the logfile
3346      * when encountering either of the logging options (-d or -D) because the
3347      * other one may be encountered later on the command line, changing the
3348      * location or level of logging.
3349      */
3350     if (log_mask) {
3351         if (log_file) {
3352             set_cpu_log_filename(log_file);
3353         }
3354         set_cpu_log(log_mask);
3355     }
3356
3357     if (!trace_backend_init(trace_events, trace_file)) {
3358         exit(1);
3359     }
3360
3361     /* If no data_dir is specified then try to find it relative to the
3362        executable path.  */
3363     if (!data_dir) {
3364         data_dir = os_find_datadir(argv[0]);
3365     }
3366     /* If all else fails use the install path specified when building. */
3367     if (!data_dir) {
3368         data_dir = CONFIG_QEMU_DATADIR;
3369     }
3370
3371     /*
3372      * Default to max_cpus = smp_cpus, in case the user doesn't
3373      * specify a max_cpus value.
3374      */
3375     if (!max_cpus)
3376         max_cpus = smp_cpus;
3377
3378     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3379     if (smp_cpus > machine->max_cpus) {
3380         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3381                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3382                 machine->max_cpus);
3383         exit(1);
3384     }
3385
3386     /*
3387      * Get the default machine options from the machine if it is not already
3388      * specified either by the configuration file or by the command line.
3389      */
3390     if (machine->default_machine_opts) {
3391         qemu_opts_set_defaults(qemu_find_opts("machine"),
3392                                machine->default_machine_opts, 0);
3393     }
3394
3395     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3396     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3397
3398     if (machine->no_serial) {
3399         default_serial = 0;
3400     }
3401     if (machine->no_parallel) {
3402         default_parallel = 0;
3403     }
3404     if (!machine->use_virtcon) {
3405         default_virtcon = 0;
3406     }
3407     if (machine->no_floppy) {
3408         default_floppy = 0;
3409     }
3410     if (machine->no_cdrom) {
3411         default_cdrom = 0;
3412     }
3413     if (machine->no_sdcard) {
3414         default_sdcard = 0;
3415     }
3416
3417     if (display_type == DT_NOGRAPHIC) {
3418         if (default_parallel)
3419             add_device_config(DEV_PARALLEL, "null");
3420         if (default_serial && default_monitor) {
3421             add_device_config(DEV_SERIAL, "mon:stdio");
3422         } else if (default_virtcon && default_monitor) {
3423             add_device_config(DEV_VIRTCON, "mon:stdio");
3424         } else {
3425             if (default_serial)
3426                 add_device_config(DEV_SERIAL, "stdio");
3427             if (default_virtcon)
3428                 add_device_config(DEV_VIRTCON, "stdio");
3429             if (default_monitor)
3430                 monitor_parse("stdio", "readline");
3431         }
3432     } else {
3433         if (default_serial)
3434             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3435         if (default_parallel)
3436             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3437         if (default_monitor)
3438             monitor_parse("vc:80Cx24C", "readline");
3439         if (default_virtcon)
3440             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3441     }
3442
3443     socket_init();
3444
3445     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3446         exit(1);
3447 #ifdef CONFIG_VIRTFS
3448     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3449         exit(1);
3450     }
3451 #endif
3452
3453     os_daemonize();
3454
3455     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3456         os_pidfile_error();
3457         exit(1);
3458     }
3459
3460     /* init the memory */
3461     if (ram_size == 0) {
3462         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3463     }
3464
3465     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3466         != 0) {
3467         exit(0);
3468     }
3469
3470     configure_accelerator();
3471
3472     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3473     if (machine_opts) {
3474         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3475         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3476         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3477     } else {
3478         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3479     }
3480
3481     if (!kernel_cmdline) {
3482         kernel_cmdline = "";
3483     }
3484
3485     linux_boot = (kernel_filename != NULL);
3486
3487     if (!linux_boot && *kernel_cmdline != '\0') {
3488         fprintf(stderr, "-append only allowed with -kernel option\n");
3489         exit(1);
3490     }
3491
3492     if (!linux_boot && initrd_filename != NULL) {
3493         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3494         exit(1);
3495     }
3496
3497     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3498         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3499         exit(1);
3500     }
3501
3502     os_set_line_buffering();
3503
3504     if (init_timer_alarm() < 0) {
3505         fprintf(stderr, "could not initialize alarm timer\n");
3506         exit(1);
3507     }
3508
3509 #ifdef CONFIG_SPICE
3510     /* spice needs the timers to be initialized by this point */
3511     qemu_spice_init();
3512 #endif
3513
3514     if (icount_option && (kvm_enabled() || xen_enabled())) {
3515         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3516         exit(1);
3517     }
3518     configure_icount(icount_option);
3519
3520     if (net_init_clients() < 0) {
3521         exit(1);
3522     }
3523
3524     /* init the bluetooth world */
3525     if (foreach_device_config(DEV_BT, bt_parse))
3526         exit(1);
3527
3528     if (!xen_enabled()) {
3529         /* On 32-bit hosts, QEMU is limited by virtual address space */
3530         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3531             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3532             exit(1);
3533         }
3534     }
3535
3536     cpu_exec_init_all();
3537
3538     bdrv_init_with_whitelist();
3539
3540     blk_mig_init();
3541
3542     /* open the virtual block devices */
3543     if (snapshot)
3544         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3545     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3546         exit(1);
3547
3548     default_drive(default_cdrom, snapshot, machine->use_scsi,
3549                   IF_DEFAULT, 2, CDROM_OPTS);
3550     default_drive(default_floppy, snapshot, machine->use_scsi,
3551                   IF_FLOPPY, 0, FD_OPTS);
3552     default_drive(default_sdcard, snapshot, machine->use_scsi,
3553                   IF_SD, 0, SD_OPTS);
3554
3555     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3556
3557     if (nb_numa_nodes > 0) {
3558         int i;
3559
3560         if (nb_numa_nodes > MAX_NODES) {
3561             nb_numa_nodes = MAX_NODES;
3562         }
3563
3564         /* If no memory size if given for any node, assume the default case
3565          * and distribute the available memory equally across all nodes
3566          */
3567         for (i = 0; i < nb_numa_nodes; i++) {
3568             if (node_mem[i] != 0)
3569                 break;
3570         }
3571         if (i == nb_numa_nodes) {
3572             uint64_t usedmem = 0;
3573
3574             /* On Linux, the each node's border has to be 8MB aligned,
3575              * the final node gets the rest.
3576              */
3577             for (i = 0; i < nb_numa_nodes - 1; i++) {
3578                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3579                 usedmem += node_mem[i];
3580             }
3581             node_mem[i] = ram_size - usedmem;
3582         }
3583
3584         for (i = 0; i < nb_numa_nodes; i++) {
3585             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3586                 break;
3587             }
3588         }
3589         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3590          * must cope with this anyway, because there are BIOSes out there in
3591          * real machines which also use this scheme.
3592          */
3593         if (i == nb_numa_nodes) {
3594             for (i = 0; i < max_cpus; i++) {
3595                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3596             }
3597         }
3598     }
3599
3600     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3601         exit(1);
3602     }
3603
3604     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3605         exit(1);
3606     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3607         exit(1);
3608     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3609         exit(1);
3610     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3611         exit(1);
3612
3613     /* If no default VGA is requested, the default is "none".  */
3614     if (default_vga) {
3615         if (cirrus_vga_available()) {
3616             vga_model = "cirrus";
3617         } else if (vga_available()) {
3618             vga_model = "std";
3619         }
3620     }
3621     select_vgahw(vga_model);
3622
3623     if (watchdog) {
3624         i = select_watchdog(watchdog);
3625         if (i > 0)
3626             exit (i == 1 ? 1 : 0);
3627     }
3628
3629     if (machine->compat_props) {
3630         qdev_prop_register_global_list(machine->compat_props);
3631     }
3632     qemu_add_globals();
3633
3634     qdev_machine_init();
3635
3636     QEMUMachineInitArgs args = { .ram_size = ram_size,
3637                                  .boot_device = boot_devices,
3638                                  .kernel_filename = kernel_filename,
3639                                  .kernel_cmdline = kernel_cmdline,
3640                                  .initrd_filename = initrd_filename,
3641                                  .cpu_model = cpu_model };
3642     machine->init(&args);
3643
3644     cpu_synchronize_all_post_init();
3645
3646     set_numa_modes();
3647
3648     current_machine = machine;
3649
3650     /* init USB devices */
3651     if (usb_enabled) {
3652         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3653             exit(1);
3654     }
3655
3656     /* init generic devices */
3657     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3658         exit(1);
3659
3660     net_check_clients();
3661
3662     /* just use the first displaystate for the moment */
3663     ds = get_displaystate();
3664
3665     if (using_spice)
3666         display_remote++;
3667     if (display_type == DT_DEFAULT && !display_remote) {
3668 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3669         display_type = DT_SDL;
3670 #elif defined(CONFIG_VNC)
3671         vnc_display = "localhost:0,to=99";
3672         show_vnc_port = 1;
3673 #else
3674         display_type = DT_NONE;
3675 #endif
3676     }
3677
3678
3679     /* init local displays */
3680     switch (display_type) {
3681     case DT_NOGRAPHIC:
3682         break;
3683 #if defined(CONFIG_CURSES)
3684     case DT_CURSES:
3685         if (!is_daemonized()) {
3686             curses_display_init(ds, full_screen);
3687         }
3688         break;
3689 #endif
3690 #if defined(CONFIG_SDL)
3691     case DT_SDL:
3692         sdl_display_init(ds, full_screen, no_frame);
3693         break;
3694 #elif defined(CONFIG_COCOA)
3695     case DT_SDL:
3696         cocoa_display_init(ds, full_screen);
3697         break;
3698 #endif
3699     default:
3700         break;
3701     }
3702
3703     /* must be after terminal init, SDL library changes signal handlers */
3704     os_setup_signal_handling();
3705
3706 #ifdef CONFIG_VNC
3707     /* init remote displays */
3708     if (vnc_display) {
3709         Error *local_err = NULL;
3710         vnc_display_init(ds);
3711         vnc_display_open(ds, vnc_display, &local_err);
3712         if (local_err != NULL) {
3713             fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3714                     vnc_display, error_get_pretty(local_err));
3715             error_free(local_err);
3716             exit(1);
3717         }
3718
3719         if (show_vnc_port) {
3720             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3721         }
3722     }
3723 #endif
3724 #ifdef CONFIG_SPICE
3725     if (using_spice && !qxl_enabled) {
3726         qemu_spice_display_init(ds);
3727     }
3728 #endif
3729
3730     /* display setup */
3731     dpy_resize(ds);
3732     dcl = ds->listeners;
3733     while (dcl != NULL) {
3734         if (dcl->dpy_refresh != NULL) {
3735             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3736             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3737             break;
3738         }
3739         dcl = dcl->next;
3740     }
3741     text_consoles_set_display(ds);
3742
3743     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3744         exit(1);
3745     }
3746
3747     qdev_machine_creation_done();
3748
3749     if (rom_load_all() != 0) {
3750         fprintf(stderr, "rom loading failed\n");
3751         exit(1);
3752     }
3753
3754     /* TODO: once all bus devices are qdevified, this should be done
3755      * when bus is created by qdev.c */
3756     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3757     qemu_run_machine_init_done_notifiers();
3758
3759     qemu_system_reset(VMRESET_SILENT);
3760     if (loadvm) {
3761         if (load_vmstate(loadvm) < 0) {
3762             autostart = 0;
3763         }
3764     }
3765
3766     if (incoming) {
3767         Error *local_err = NULL;
3768         qemu_start_incoming_migration(incoming, &local_err);
3769         if (local_err) {
3770             fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3771             error_free(local_err);
3772             exit(1);
3773         }
3774     } else if (autostart) {
3775         vm_start();
3776     }
3777
3778     os_setup_post();
3779
3780     resume_all_vcpus();
3781     main_loop();
3782     bdrv_close_all();
3783     pause_all_vcpus();
3784     net_cleanup();
3785     res_free();
3786
3787     return 0;
3788 }