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 "qemu/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 "sysemu/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/bt.h"
 130 #include "net/net.h"
 131 #include "net/slirp.h"
 132 #include "monitor/monitor.h"
 133 #include "ui/console.h"
 134 #include "sysemu/sysemu.h"
 135 #include "exec/gdbstub.h"
 136 #include "qemu/timer.h"
 137 #include "char/char.h"
 138 #include "qemu/cache-utils.h"
 139 #include "sysemu/blockdev.h"
 140 #include "hw/block-common.h"
 141 #include "migration/block.h"
 142 #include "sysemu/dma.h"
 143 #include "audio/audio.h"
 144 #include "migration/migration.h"
 145 #include "sysemu/kvm.h"
 146 #include "qapi/qmp/qjson.h"
 147 #include "qemu/option.h"
 148 #include "qemu/config-file.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "qemu/main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155 #include "sysemu/qtest.h"
 156
 157 #include "disas/disas.h"
 158
 159 #include "qemu/sockets.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu/queue.h"
 166 #include "sysemu/cpus.h"
 167 #include "sysemu/arch_init.h"
 168 #include "qemu/osdep.h"
 169
 170 #include "ui/qemu-spice.h"
 171 #include "qapi/string-input-visitor.h"
 172
 173 //#define DEBUG_NET
 174 //#define DEBUG_SLIRP
 175
 176 #define DEFAULT_RAM_SIZE 128
 177
 178 #define MAX_VIRTIO_CONSOLES 1
 179
 180 static const char *data_dir;
 181 const char *bios_name = NULL;
 182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 183 DisplayType display_type = DT_DEFAULT;
 184 static int display_remote;
 185 const char* keyboard_layout = NULL;
 186 ram_addr_t ram_size;
 187 const char *mem_path = NULL;
 188 #ifdef MAP_POPULATE
 189 int mem_prealloc = 0; /* force preallocation of physical target memory */
 190 #endif
 191 int nb_nics;
 192 NICInfo nd_table[MAX_NICS];
 193 int autostart;
 194 static int rtc_utc = 1;
 195 static int rtc_date_offset = -1; /* -1 means no change */
 196 QEMUClock *rtc_clock;
 197 int vga_interface_type = VGA_NONE;
 198 static int full_screen = 0;
 199 #ifdef CONFIG_SDL
 200 static int no_frame = 0;
 201 #endif
 202 int no_quit = 0;
 203 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 204 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 205 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 206 int win2k_install_hack = 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 static int no_reboot;
 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 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
 247     QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 248
 249 int nb_numa_nodes;
 250 uint64_t node_mem[MAX_NODES];
 251 unsigned long *node_cpumask[MAX_NODES];
 252
 253 uint8_t qemu_uuid[16];
 254
 255 static QEMUBootSetHandler *boot_set_handler;
 256 static void *boot_set_opaque;
 257
 258 static NotifierList exit_notifiers =
 259     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 260
 261 static NotifierList machine_init_done_notifiers =
 262     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 263
 264 static int tcg_allowed = 1;
 265 int kvm_allowed = 0;
 266 int xen_allowed = 0;
 267 uint32_t xen_domid;
 268 enum xen_mode xen_mode = XEN_EMULATE;
 269 static int tcg_tb_size;
 270
 271 static int default_serial = 1;
 272 static int default_parallel = 1;
 273 static int default_virtcon = 1;
 274 static int default_monitor = 1;
 275 static int default_floppy = 1;
 276 static int default_cdrom = 1;
 277 static int default_sdcard = 1;
 278 static int default_vga = 1;
 279
 280 static struct {
 281     const char *driver;
 282     int *flag;
 283 } default_list[] = {
 284     { .driver = "isa-serial",           .flag = &default_serial    },
 285     { .driver = "isa-parallel",         .flag = &default_parallel  },
 286     { .driver = "isa-fdc",              .flag = &default_floppy    },
 287     { .driver = "ide-cd",               .flag = &default_cdrom     },
 288     { .driver = "ide-hd",               .flag = &default_cdrom     },
 289     { .driver = "ide-drive",            .flag = &default_cdrom     },
 290     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 291     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 292     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 293     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 294     { .driver = "VGA",                  .flag = &default_vga       },
 295     { .driver = "isa-vga",              .flag = &default_vga       },
 296     { .driver = "cirrus-vga",           .flag = &default_vga       },
 297     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 298     { .driver = "vmware-svga",          .flag = &default_vga       },
 299     { .driver = "qxl-vga",              .flag = &default_vga       },
 300 };
 301
 302 const char *qemu_get_vm_name(void)
 303 {
 304     return qemu_name;
 305 }
 306
 307 static void res_free(void)
 308 {
 309     if (boot_splash_filedata != NULL) {
 310         g_free(boot_splash_filedata);
 311         boot_splash_filedata = NULL;
 312     }
 313 }
 314
 315 static int default_driver_check(QemuOpts *opts, void *opaque)
 316 {
 317     const char *driver = qemu_opt_get(opts, "driver");
 318     int i;
 319
 320     if (!driver)
 321         return 0;
 322     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 323         if (strcmp(default_list[i].driver, driver) != 0)
 324             continue;
 325         *(default_list[i].flag) = 0;
 326     }
 327     return 0;
 328 }
 329
 330 /***********************************************************/
 331 /* QEMU state */
 332
 333 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 334
 335 typedef struct {
 336     RunState from;
 337     RunState to;
 338 } RunStateTransition;
 339
 340 static const RunStateTransition runstate_transitions_def[] = {
 341     /*     from      ->     to      */
 342     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 343
 344     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 345     { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
 346
 347     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 348     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 349
 350     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 351     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 352
 353     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 354     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 355
 356     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 357     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 358
 359     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 360     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 361     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 362
 363     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 364     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 365
 366     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 367
 368     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 369     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 370     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 371     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 372     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 373     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 374     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 375     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 376     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 377
 378     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 379
 380     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 381     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 382
 383     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 384     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 385     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 386     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 387
 388     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 389     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 390
 391     { RUN_STATE_MAX, RUN_STATE_MAX },
 392 };
 393
 394 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 395
 396 bool runstate_check(RunState state)
 397 {
 398     return current_run_state == state;
 399 }
 400
 401 static void runstate_init(void)
 402 {
 403     const RunStateTransition *p;
 404
 405     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 406
 407     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 408         runstate_valid_transitions[p->from][p->to] = true;
 409     }
 410 }
 411
 412 /* This function will abort() on invalid state transitions */
 413 void runstate_set(RunState new_state)
 414 {
 415     assert(new_state < RUN_STATE_MAX);
 416
 417     if (!runstate_valid_transitions[current_run_state][new_state]) {
 418         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 419                 RunState_lookup[current_run_state],
 420                 RunState_lookup[new_state]);
 421         abort();
 422     }
 423
 424     current_run_state = new_state;
 425 }
 426
 427 int runstate_is_running(void)
 428 {
 429     return runstate_check(RUN_STATE_RUNNING);
 430 }
 431
 432 StatusInfo *qmp_query_status(Error **errp)
 433 {
 434     StatusInfo *info = g_malloc0(sizeof(*info));
 435
 436     info->running = runstate_is_running();
 437     info->singlestep = singlestep;
 438     info->status = current_run_state;
 439
 440     return info;
 441 }
 442
 443 /***********************************************************/
 444 /* real time host monotonic timer */
 445
 446 /***********************************************************/
 447 /* host time/date access */
 448 void qemu_get_timedate(struct tm *tm, int offset)
 449 {
 450     time_t ti;
 451
 452     time(&ti);
 453     ti += offset;
 454     if (rtc_date_offset == -1) {
 455         if (rtc_utc)
 456             gmtime_r(&ti, tm);
 457         else
 458             localtime_r(&ti, tm);
 459     } else {
 460         ti -= rtc_date_offset;
 461         gmtime_r(&ti, tm);
 462     }
 463 }
 464
 465 int qemu_timedate_diff(struct tm *tm)
 466 {
 467     time_t seconds;
 468
 469     if (rtc_date_offset == -1)
 470         if (rtc_utc)
 471             seconds = mktimegm(tm);
 472         else {
 473             struct tm tmp = *tm;
 474             tmp.tm_isdst = -1; /* use timezone to figure it out */
 475             seconds = mktime(&tmp);
 476         }
 477     else
 478         seconds = mktimegm(tm) + rtc_date_offset;
 479
 480     return seconds - time(NULL);
 481 }
 482
 483 void rtc_change_mon_event(struct tm *tm)
 484 {
 485     QObject *data;
 486
 487     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 488     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 489     qobject_decref(data);
 490 }
 491
 492 static void configure_rtc_date_offset(const char *startdate, int legacy)
 493 {
 494     time_t rtc_start_date;
 495     struct tm tm;
 496
 497     if (!strcmp(startdate, "now") && legacy) {
 498         rtc_date_offset = -1;
 499     } else {
 500         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 501                    &tm.tm_year,
 502                    &tm.tm_mon,
 503                    &tm.tm_mday,
 504                    &tm.tm_hour,
 505                    &tm.tm_min,
 506                    &tm.tm_sec) == 6) {
 507             /* OK */
 508         } else if (sscanf(startdate, "%d-%d-%d",
 509                           &tm.tm_year,
 510                           &tm.tm_mon,
 511                           &tm.tm_mday) == 3) {
 512             tm.tm_hour = 0;
 513             tm.tm_min = 0;
 514             tm.tm_sec = 0;
 515         } else {
 516             goto date_fail;
 517         }
 518         tm.tm_year -= 1900;
 519         tm.tm_mon--;
 520         rtc_start_date = mktimegm(&tm);
 521         if (rtc_start_date == -1) {
 522         date_fail:
 523             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 524                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 525             exit(1);
 526         }
 527         rtc_date_offset = time(NULL) - rtc_start_date;
 528     }
 529 }
 530
 531 static void configure_rtc(QemuOpts *opts)
 532 {
 533     const char *value;
 534
 535     value = qemu_opt_get(opts, "base");
 536     if (value) {
 537         if (!strcmp(value, "utc")) {
 538             rtc_utc = 1;
 539         } else if (!strcmp(value, "localtime")) {
 540             rtc_utc = 0;
 541         } else {
 542             configure_rtc_date_offset(value, 0);
 543         }
 544     }
 545     value = qemu_opt_get(opts, "clock");
 546     if (value) {
 547         if (!strcmp(value, "host")) {
 548             rtc_clock = host_clock;
 549         } else if (!strcmp(value, "rt")) {
 550             rtc_clock = rt_clock;
 551         } else if (!strcmp(value, "vm")) {
 552             rtc_clock = vm_clock;
 553         } else {
 554             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 555             exit(1);
 556         }
 557     }
 558     value = qemu_opt_get(opts, "driftfix");
 559     if (value) {
 560         if (!strcmp(value, "slew")) {
 561             static GlobalProperty slew_lost_ticks[] = {
 562                 {
 563                     .driver   = "mc146818rtc",
 564                     .property = "lost_tick_policy",
 565                     .value    = "slew",
 566                 },
 567                 { /* end of list */ }
 568             };
 569
 570             qdev_prop_register_global_list(slew_lost_ticks);
 571         } else if (!strcmp(value, "none")) {
 572             /* discard is default */
 573         } else {
 574             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 575             exit(1);
 576         }
 577     }
 578 }
 579
 580 /***********************************************************/
 581 /* Bluetooth support */
 582 static int nb_hcis;
 583 static int cur_hci;
 584 static struct HCIInfo *hci_table[MAX_NICS];
 585
 586 static struct bt_vlan_s {
 587     struct bt_scatternet_s net;
 588     int id;
 589     struct bt_vlan_s *next;
 590 } *first_bt_vlan;
 591
 592 /* find or alloc a new bluetooth "VLAN" */
 593 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 594 {
 595     struct bt_vlan_s **pvlan, *vlan;
 596     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 597         if (vlan->id == id)
 598             return &vlan->net;
 599     }
 600     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 601     vlan->id = id;
 602     pvlan = &first_bt_vlan;
 603     while (*pvlan != NULL)
 604         pvlan = &(*pvlan)->next;
 605     *pvlan = vlan;
 606     return &vlan->net;
 607 }
 608
 609 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 610 {
 611 }
 612
 613 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 614 {
 615     return -ENOTSUP;
 616 }
 617
 618 static struct HCIInfo null_hci = {
 619     .cmd_send = null_hci_send,
 620     .sco_send = null_hci_send,
 621     .acl_send = null_hci_send,
 622     .bdaddr_set = null_hci_addr_set,
 623 };
 624
 625 struct HCIInfo *qemu_next_hci(void)
 626 {
 627     if (cur_hci == nb_hcis)
 628         return &null_hci;
 629
 630     return hci_table[cur_hci++];
 631 }
 632
 633 static struct HCIInfo *hci_init(const char *str)
 634 {
 635     char *endp;
 636     struct bt_scatternet_s *vlan = 0;
 637
 638     if (!strcmp(str, "null"))
 639         /* null */
 640         return &null_hci;
 641     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 642         /* host[:hciN] */
 643         return bt_host_hci(str[4] ? str + 5 : "hci0");
 644     else if (!strncmp(str, "hci", 3)) {
 645         /* hci[,vlan=n] */
 646         if (str[3]) {
 647             if (!strncmp(str + 3, ",vlan=", 6)) {
 648                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 649                 if (*endp)
 650                     vlan = 0;
 651             }
 652         } else
 653             vlan = qemu_find_bt_vlan(0);
 654         if (vlan)
 655            return bt_new_hci(vlan);
 656     }
 657
 658     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 659
 660     return 0;
 661 }
 662
 663 static int bt_hci_parse(const char *str)
 664 {
 665     struct HCIInfo *hci;
 666     bdaddr_t bdaddr;
 667
 668     if (nb_hcis >= MAX_NICS) {
 669         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 670         return -1;
 671     }
 672
 673     hci = hci_init(str);
 674     if (!hci)
 675         return -1;
 676
 677     bdaddr.b[0] = 0x52;
 678     bdaddr.b[1] = 0x54;
 679     bdaddr.b[2] = 0x00;
 680     bdaddr.b[3] = 0x12;
 681     bdaddr.b[4] = 0x34;
 682     bdaddr.b[5] = 0x56 + nb_hcis;
 683     hci->bdaddr_set(hci, bdaddr.b);
 684
 685     hci_table[nb_hcis++] = hci;
 686
 687     return 0;
 688 }
 689
 690 static void bt_vhci_add(int vlan_id)
 691 {
 692     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 693
 694     if (!vlan->slave)
 695         fprintf(stderr, "qemu: warning: adding a VHCI to "
 696                         "an empty scatternet %i\n", vlan_id);
 697
 698     bt_vhci_init(bt_new_hci(vlan));
 699 }
 700
 701 static struct bt_device_s *bt_device_add(const char *opt)
 702 {
 703     struct bt_scatternet_s *vlan;
 704     int vlan_id = 0;
 705     char *endp = strstr(opt, ",vlan=");
 706     int len = (endp ? endp - opt : strlen(opt)) + 1;
 707     char devname[10];
 708
 709     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 710
 711     if (endp) {
 712         vlan_id = strtol(endp + 6, &endp, 0);
 713         if (*endp) {
 714             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 715             return 0;
 716         }
 717     }
 718
 719     vlan = qemu_find_bt_vlan(vlan_id);
 720
 721     if (!vlan->slave)
 722         fprintf(stderr, "qemu: warning: adding a slave device to "
 723                         "an empty scatternet %i\n", vlan_id);
 724
 725     if (!strcmp(devname, "keyboard"))
 726         return bt_keyboard_init(vlan);
 727
 728     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 729     return 0;
 730 }
 731
 732 static int bt_parse(const char *opt)
 733 {
 734     const char *endp, *p;
 735     int vlan;
 736
 737     if (strstart(opt, "hci", &endp)) {
 738         if (!*endp || *endp == ',') {
 739             if (*endp)
 740                 if (!strstart(endp, ",vlan=", 0))
 741                     opt = endp + 1;
 742
 743             return bt_hci_parse(opt);
 744        }
 745     } else if (strstart(opt, "vhci", &endp)) {
 746         if (!*endp || *endp == ',') {
 747             if (*endp) {
 748                 if (strstart(endp, ",vlan=", &p)) {
 749                     vlan = strtol(p, (char **) &endp, 0);
 750                     if (*endp) {
 751                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 752                         return 1;
 753                     }
 754                 } else {
 755                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 756                     return 1;
 757                 }
 758             } else
 759                 vlan = 0;
 760
 761             bt_vhci_add(vlan);
 762             return 0;
 763         }
 764     } else if (strstart(opt, "device:", &endp))
 765         return !bt_device_add(endp);
 766
 767     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 768     return 1;
 769 }
 770
 771 static int parse_sandbox(QemuOpts *opts, void *opaque)
 772 {
 773     /* FIXME: change this to true for 1.3 */
 774     if (qemu_opt_get_bool(opts, "enable", false)) {
 775 #ifdef CONFIG_SECCOMP
 776         if (seccomp_start() < 0) {
 777             qerror_report(ERROR_CLASS_GENERIC_ERROR,
 778                           "failed to install seccomp syscall filter in the kernel");
 779             return -1;
 780         }
 781 #else
 782         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 783                       "sandboxing request but seccomp is not compiled into this build");
 784         return -1;
 785 #endif
 786     }
 787
 788     return 0;
 789 }
 790
 791 /*********QEMU USB setting******/
 792 bool usb_enabled(bool default_usb)
 793 {
 794     QemuOpts *mach_opts;
 795     mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
 796     if (mach_opts) {
 797         return qemu_opt_get_bool(mach_opts, "usb", default_usb);
 798     }
 799     return default_usb;
 800 }
 801
 802 #ifndef _WIN32
 803 static int parse_add_fd(QemuOpts *opts, void *opaque)
 804 {
 805     int fd, dupfd, flags;
 806     int64_t fdset_id;
 807     const char *fd_opaque = NULL;
 808
 809     fd = qemu_opt_get_number(opts, "fd", -1);
 810     fdset_id = qemu_opt_get_number(opts, "set", -1);
 811     fd_opaque = qemu_opt_get(opts, "opaque");
 812
 813     if (fd < 0) {
 814         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 815                       "fd option is required and must be non-negative");
 816         return -1;
 817     }
 818
 819     if (fd <= STDERR_FILENO) {
 820         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 821                       "fd cannot be a standard I/O stream");
 822         return -1;
 823     }
 824
 825     /*
 826      * All fds inherited across exec() necessarily have FD_CLOEXEC
 827      * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
 828      */
 829     flags = fcntl(fd, F_GETFD);
 830     if (flags == -1 || (flags & FD_CLOEXEC)) {
 831         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 832                       "fd is not valid or already in use");
 833         return -1;
 834     }
 835
 836     if (fdset_id < 0) {
 837         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 838                       "set option is required and must be non-negative");
 839         return -1;
 840     }
 841
 842 #ifdef F_DUPFD_CLOEXEC
 843     dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
 844 #else
 845     dupfd = dup(fd);
 846     if (dupfd != -1) {
 847         qemu_set_cloexec(dupfd);
 848     }
 849 #endif
 850     if (dupfd == -1) {
 851         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 852                       "Error duplicating fd: %s", strerror(errno));
 853         return -1;
 854     }
 855
 856     /* add the duplicate fd, and optionally the opaque string, to the fd set */
 857     monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
 858                          fd_opaque, NULL);
 859
 860     return 0;
 861 }
 862
 863 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
 864 {
 865     int fd;
 866
 867     fd = qemu_opt_get_number(opts, "fd", -1);
 868     close(fd);
 869
 870     return 0;
 871 }
 872 #endif
 873
 874 /***********************************************************/
 875 /* QEMU Block devices */
 876
 877 #define HD_OPTS "media=disk"
 878 #define CDROM_OPTS "media=cdrom"
 879 #define FD_OPTS ""
 880 #define PFLASH_OPTS ""
 881 #define MTD_OPTS ""
 882 #define SD_OPTS ""
 883
 884 static int drive_init_func(QemuOpts *opts, void *opaque)
 885 {
 886     BlockInterfaceType *block_default_type = opaque;
 887
 888     return drive_init(opts, *block_default_type) == NULL;
 889 }
 890
 891 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 892 {
 893     if (NULL == qemu_opt_get(opts, "snapshot")) {
 894         qemu_opt_set(opts, "snapshot", "on");
 895     }
 896     return 0;
 897 }
 898
 899 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
 900                           int index, const char *optstr)
 901 {
 902     QemuOpts *opts;
 903
 904     if (!enable || drive_get_by_index(type, index)) {
 905         return;
 906     }
 907
 908     opts = drive_add(type, index, NULL, optstr);
 909     if (snapshot) {
 910         drive_enable_snapshot(opts, NULL);
 911     }
 912     if (!drive_init(opts, type)) {
 913         exit(1);
 914     }
 915 }
 916
 917 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 918 {
 919     boot_set_handler = func;
 920     boot_set_opaque = opaque;
 921 }
 922
 923 int qemu_boot_set(const char *boot_devices)
 924 {
 925     if (!boot_set_handler) {
 926         return -EINVAL;
 927     }
 928     return boot_set_handler(boot_set_opaque, boot_devices);
 929 }
 930
 931 static void validate_bootdevices(char *devices)
 932 {
 933     /* We just do some generic consistency checks */
 934     const char *p;
 935     int bitmap = 0;
 936
 937     for (p = devices; *p != '\0'; p++) {
 938         /* Allowed boot devices are:
 939          * a-b: floppy disk drives
 940          * c-f: IDE disk drives
 941          * g-m: machine implementation dependent drives
 942          * n-p: network devices
 943          * It's up to each machine implementation to check if the given boot
 944          * devices match the actual hardware implementation and firmware
 945          * features.
 946          */
 947         if (*p < 'a' || *p > 'p') {
 948             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 949             exit(1);
 950         }
 951         if (bitmap & (1 << (*p - 'a'))) {
 952             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 953             exit(1);
 954         }
 955         bitmap |= 1 << (*p - 'a');
 956     }
 957 }
 958
 959 static void restore_boot_devices(void *opaque)
 960 {
 961     char *standard_boot_devices = opaque;
 962     static int first = 1;
 963
 964     /* Restore boot order and remove ourselves after the first boot */
 965     if (first) {
 966         first = 0;
 967         return;
 968     }
 969
 970     qemu_boot_set(standard_boot_devices);
 971
 972     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 973     g_free(standard_boot_devices);
 974 }
 975
 976 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 977                           const char *suffix)
 978 {
 979     FWBootEntry *node, *i;
 980
 981     if (bootindex < 0) {
 982         return;
 983     }
 984
 985     assert(dev != NULL || suffix != NULL);
 986
 987     node = g_malloc0(sizeof(FWBootEntry));
 988     node->bootindex = bootindex;
 989     node->suffix = suffix ? g_strdup(suffix) : NULL;
 990     node->dev = dev;
 991
 992     QTAILQ_FOREACH(i, &fw_boot_order, link) {
 993         if (i->bootindex == bootindex) {
 994             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
 995             exit(1);
 996         } else if (i->bootindex < bootindex) {
 997             continue;
 998         }
 999         QTAILQ_INSERT_BEFORE(i, node, link);
1000         return;
1001     }
1002     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1003 }
1004
1005 /*
1006  * This function returns null terminated string that consist of new line
1007  * separated device paths.
1008  *
1009  * memory pointed by "size" is assigned total length of the array in bytes
1010  *
1011  */
1012 char *get_boot_devices_list(uint32_t *size)
1013 {
1014     FWBootEntry *i;
1015     uint32_t total = 0;
1016     char *list = NULL;
1017
1018     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1019         char *devpath = NULL, *bootpath;
1020         int len;
1021
1022         if (i->dev) {
1023             devpath = qdev_get_fw_dev_path(i->dev);
1024             assert(devpath);
1025         }
1026
1027         if (i->suffix && devpath) {
1028             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1029
1030             bootpath = g_malloc(bootpathlen);
1031             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1032             g_free(devpath);
1033         } else if (devpath) {
1034             bootpath = devpath;
1035         } else {
1036             assert(i->suffix);
1037             bootpath = g_strdup(i->suffix);
1038         }
1039
1040         if (total) {
1041             list[total-1] = '\n';
1042         }
1043         len = strlen(bootpath) + 1;
1044         list = g_realloc(list, total + len);
1045         memcpy(&list[total], bootpath, len);
1046         total += len;
1047         g_free(bootpath);
1048     }
1049
1050     *size = total;
1051
1052     return list;
1053 }
1054
1055 static void numa_add(const char *optarg)
1056 {
1057     char option[128];
1058     char *endptr;
1059     unsigned long long value, endvalue;
1060     int nodenr;
1061
1062     value = endvalue = 0ULL;
1063
1064     optarg = get_opt_name(option, 128, optarg, ',') + 1;
1065     if (!strcmp(option, "node")) {
1066         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1067             nodenr = nb_numa_nodes;
1068         } else {
1069             nodenr = strtoull(option, NULL, 10);
1070         }
1071
1072         if (get_param_value(option, 128, "mem", optarg) == 0) {
1073             node_mem[nodenr] = 0;
1074         } else {
1075             int64_t sval;
1076             sval = strtosz(option, &endptr);
1077             if (sval < 0 || *endptr) {
1078                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1079                 exit(1);
1080             }
1081             node_mem[nodenr] = sval;
1082         }
1083         if (get_param_value(option, 128, "cpus", optarg) != 0) {
1084             value = strtoull(option, &endptr, 10);
1085             if (*endptr == '-') {
1086                 endvalue = strtoull(endptr+1, &endptr, 10);
1087             } else {
1088                 endvalue = value;
1089             }
1090
1091             if (!(endvalue < MAX_CPUMASK_BITS)) {
1092                 endvalue = MAX_CPUMASK_BITS - 1;
1093                 fprintf(stderr,
1094                     "A max of %d CPUs are supported in a guest\n",
1095                      MAX_CPUMASK_BITS);
1096             }
1097
1098             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1099         }
1100         nb_numa_nodes++;
1101     }
1102 }
1103
1104 static void smp_parse(const char *optarg)
1105 {
1106     int smp, sockets = 0, threads = 0, cores = 0;
1107     char *endptr;
1108     char option[128];
1109
1110     smp = strtoul(optarg, &endptr, 10);
1111     if (endptr != optarg) {
1112         if (*endptr == ',') {
1113             endptr++;
1114         }
1115     }
1116     if (get_param_value(option, 128, "sockets", endptr) != 0)
1117         sockets = strtoull(option, NULL, 10);
1118     if (get_param_value(option, 128, "cores", endptr) != 0)
1119         cores = strtoull(option, NULL, 10);
1120     if (get_param_value(option, 128, "threads", endptr) != 0)
1121         threads = strtoull(option, NULL, 10);
1122     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1123         max_cpus = strtoull(option, NULL, 10);
1124
1125     /* compute missing values, prefer sockets over cores over threads */
1126     if (smp == 0 || sockets == 0) {
1127         sockets = sockets > 0 ? sockets : 1;
1128         cores = cores > 0 ? cores : 1;
1129         threads = threads > 0 ? threads : 1;
1130         if (smp == 0) {
1131             smp = cores * threads * sockets;
1132         }
1133     } else {
1134         if (cores == 0) {
1135             threads = threads > 0 ? threads : 1;
1136             cores = smp / (sockets * threads);
1137         } else {
1138             threads = smp / (cores * sockets);
1139         }
1140     }
1141     smp_cpus = smp;
1142     smp_cores = cores > 0 ? cores : 1;
1143     smp_threads = threads > 0 ? threads : 1;
1144     if (max_cpus == 0)
1145         max_cpus = smp_cpus;
1146 }
1147
1148 /***********************************************************/
1149 /* USB devices */
1150
1151 static int usb_device_add(const char *devname)
1152 {
1153     const char *p;
1154     USBDevice *dev = NULL;
1155
1156     if (!usb_enabled(false)) {
1157         return -1;
1158     }
1159
1160     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1161     dev = usbdevice_create(devname);
1162     if (dev)
1163         goto done;
1164
1165     /* the other ones */
1166 #ifndef CONFIG_LINUX
1167     /* only the linux version is qdev-ified, usb-bsd still needs this */
1168     if (strstart(devname, "host:", &p)) {
1169         dev = usb_host_device_open(usb_bus_find(-1), p);
1170     } else
1171 #endif
1172     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1173         dev = usb_bt_init(usb_bus_find(-1),
1174                           devname[2] ? hci_init(p)
1175                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1176     } else {
1177         return -1;
1178     }
1179     if (!dev)
1180         return -1;
1181
1182 done:
1183     return 0;
1184 }
1185
1186 static int usb_device_del(const char *devname)
1187 {
1188     int bus_num, addr;
1189     const char *p;
1190
1191     if (strstart(devname, "host:", &p))
1192         return usb_host_device_close(p);
1193
1194     if (!usb_enabled(false)) {
1195         return -1;
1196     }
1197
1198     p = strchr(devname, '.');
1199     if (!p)
1200         return -1;
1201     bus_num = strtoul(devname, NULL, 0);
1202     addr = strtoul(p + 1, NULL, 0);
1203
1204     return usb_device_delete_addr(bus_num, addr);
1205 }
1206
1207 static int usb_parse(const char *cmdline)
1208 {
1209     int r;
1210     r = usb_device_add(cmdline);
1211     if (r < 0) {
1212         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1213     }
1214     return r;
1215 }
1216
1217 void do_usb_add(Monitor *mon, const QDict *qdict)
1218 {
1219     const char *devname = qdict_get_str(qdict, "devname");
1220     if (usb_device_add(devname) < 0) {
1221         error_report("could not add USB device '%s'", devname);
1222     }
1223 }
1224
1225 void do_usb_del(Monitor *mon, const QDict *qdict)
1226 {
1227     const char *devname = qdict_get_str(qdict, "devname");
1228     if (usb_device_del(devname) < 0) {
1229         error_report("could not delete USB device '%s'", devname);
1230     }
1231 }
1232
1233 /***********************************************************/
1234 /* PCMCIA/Cardbus */
1235
1236 static struct pcmcia_socket_entry_s {
1237     PCMCIASocket *socket;
1238     struct pcmcia_socket_entry_s *next;
1239 } *pcmcia_sockets = 0;
1240
1241 void pcmcia_socket_register(PCMCIASocket *socket)
1242 {
1243     struct pcmcia_socket_entry_s *entry;
1244
1245     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1246     entry->socket = socket;
1247     entry->next = pcmcia_sockets;
1248     pcmcia_sockets = entry;
1249 }
1250
1251 void pcmcia_socket_unregister(PCMCIASocket *socket)
1252 {
1253     struct pcmcia_socket_entry_s *entry, **ptr;
1254
1255     ptr = &pcmcia_sockets;
1256     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1257         if (entry->socket == socket) {
1258             *ptr = entry->next;
1259             g_free(entry);
1260         }
1261 }
1262
1263 void pcmcia_info(Monitor *mon)
1264 {
1265     struct pcmcia_socket_entry_s *iter;
1266
1267     if (!pcmcia_sockets)
1268         monitor_printf(mon, "No PCMCIA sockets\n");
1269
1270     for (iter = pcmcia_sockets; iter; iter = iter->next)
1271         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1272                        iter->socket->attached ? iter->socket->card_string :
1273                        "Empty");
1274 }
1275
1276 /***********************************************************/
1277 /* machine registration */
1278
1279 static QEMUMachine *first_machine = NULL;
1280 QEMUMachine *current_machine = NULL;
1281
1282 int qemu_register_machine(QEMUMachine *m)
1283 {
1284     QEMUMachine **pm;
1285     pm = &first_machine;
1286     while (*pm != NULL)
1287         pm = &(*pm)->next;
1288     m->next = NULL;
1289     *pm = m;
1290     return 0;
1291 }
1292
1293 static QEMUMachine *find_machine(const char *name)
1294 {
1295     QEMUMachine *m;
1296
1297     for(m = first_machine; m != NULL; m = m->next) {
1298         if (!strcmp(m->name, name))
1299             return m;
1300         if (m->alias && !strcmp(m->alias, name))
1301             return m;
1302     }
1303     return NULL;
1304 }
1305
1306 QEMUMachine *find_default_machine(void)
1307 {
1308     QEMUMachine *m;
1309
1310     for(m = first_machine; m != NULL; m = m->next) {
1311         if (m->is_default) {
1312             return m;
1313         }
1314     }
1315     return NULL;
1316 }
1317
1318 MachineInfoList *qmp_query_machines(Error **errp)
1319 {
1320     MachineInfoList *mach_list = NULL;
1321     QEMUMachine *m;
1322
1323     for (m = first_machine; m; m = m->next) {
1324         MachineInfoList *entry;
1325         MachineInfo *info;
1326
1327         info = g_malloc0(sizeof(*info));
1328         if (m->is_default) {
1329             info->has_is_default = true;
1330             info->is_default = true;
1331         }
1332
1333         if (m->alias) {
1334             info->has_alias = true;
1335             info->alias = g_strdup(m->alias);
1336         }
1337
1338         info->name = g_strdup(m->name);
1339
1340         entry = g_malloc0(sizeof(*entry));
1341         entry->value = info;
1342         entry->next = mach_list;
1343         mach_list = entry;
1344     }
1345
1346     return mach_list;
1347 }
1348
1349 /***********************************************************/
1350 /* main execution loop */
1351
1352 static void gui_update(void *opaque)
1353 {
1354     uint64_t interval = GUI_REFRESH_INTERVAL;
1355     DisplayState *ds = opaque;
1356     DisplayChangeListener *dcl;
1357
1358     dpy_refresh(ds);
1359
1360     QLIST_FOREACH(dcl, &ds->listeners, next) {
1361         if (dcl->gui_timer_interval &&
1362             dcl->gui_timer_interval < interval)
1363             interval = dcl->gui_timer_interval;
1364     }
1365     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1366 }
1367
1368 void gui_setup_refresh(DisplayState *ds)
1369 {
1370     DisplayChangeListener *dcl;
1371     bool need_timer = false;
1372     bool have_gfx = false;
1373     bool have_text = false;
1374
1375     QLIST_FOREACH(dcl, &ds->listeners, next) {
1376         if (dcl->dpy_refresh != NULL) {
1377             need_timer = true;
1378         }
1379         if (dcl->dpy_gfx_update != NULL) {
1380             have_gfx = true;
1381         }
1382         if (dcl->dpy_text_update != NULL) {
1383             have_text = true;
1384         }
1385     }
1386
1387     if (need_timer && ds->gui_timer == NULL) {
1388         ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1389         qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1390     }
1391     if (!need_timer && ds->gui_timer != NULL) {
1392         qemu_del_timer(ds->gui_timer);
1393         qemu_free_timer(ds->gui_timer);
1394         ds->gui_timer = NULL;
1395     }
1396
1397     ds->have_gfx = have_gfx;
1398     ds->have_text = have_text;
1399 }
1400
1401 struct vm_change_state_entry {
1402     VMChangeStateHandler *cb;
1403     void *opaque;
1404     QLIST_ENTRY (vm_change_state_entry) entries;
1405 };
1406
1407 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1408
1409 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1410                                                      void *opaque)
1411 {
1412     VMChangeStateEntry *e;
1413
1414     e = g_malloc0(sizeof (*e));
1415
1416     e->cb = cb;
1417     e->opaque = opaque;
1418     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1419     return e;
1420 }
1421
1422 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1423 {
1424     QLIST_REMOVE (e, entries);
1425     g_free (e);
1426 }
1427
1428 void vm_state_notify(int running, RunState state)
1429 {
1430     VMChangeStateEntry *e;
1431
1432     trace_vm_state_notify(running, state);
1433
1434     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1435         e->cb(e->opaque, running, state);
1436     }
1437 }
1438
1439 void vm_start(void)
1440 {
1441     if (!runstate_is_running()) {
1442         cpu_enable_ticks();
1443         runstate_set(RUN_STATE_RUNNING);
1444         vm_state_notify(1, RUN_STATE_RUNNING);
1445         resume_all_vcpus();
1446         monitor_protocol_event(QEVENT_RESUME, NULL);
1447     }
1448 }
1449
1450 /* reset/shutdown handler */
1451
1452 typedef struct QEMUResetEntry {
1453     QTAILQ_ENTRY(QEMUResetEntry) entry;
1454     QEMUResetHandler *func;
1455     void *opaque;
1456 } QEMUResetEntry;
1457
1458 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1459     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1460 static int reset_requested;
1461 static int shutdown_requested, shutdown_signal = -1;
1462 static pid_t shutdown_pid;
1463 static int powerdown_requested;
1464 static int debug_requested;
1465 static int suspend_requested;
1466 static int wakeup_requested;
1467 static NotifierList powerdown_notifiers =
1468     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1469 static NotifierList suspend_notifiers =
1470     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1471 static NotifierList wakeup_notifiers =
1472     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1473 static uint32_t wakeup_reason_mask = ~0;
1474 static RunState vmstop_requested = RUN_STATE_MAX;
1475
1476 int qemu_shutdown_requested_get(void)
1477 {
1478     return shutdown_requested;
1479 }
1480
1481 int qemu_reset_requested_get(void)
1482 {
1483     return reset_requested;
1484 }
1485
1486 static int qemu_shutdown_requested(void)
1487 {
1488     int r = shutdown_requested;
1489     shutdown_requested = 0;
1490     return r;
1491 }
1492
1493 static void qemu_kill_report(void)
1494 {
1495     if (!qtest_enabled() && shutdown_signal != -1) {
1496         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1497         if (shutdown_pid == 0) {
1498             /* This happens for eg ^C at the terminal, so it's worth
1499              * avoiding printing an odd message in that case.
1500              */
1501             fputc('\n', stderr);
1502         } else {
1503             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1504         }
1505         shutdown_signal = -1;
1506     }
1507 }
1508
1509 static int qemu_reset_requested(void)
1510 {
1511     int r = reset_requested;
1512     reset_requested = 0;
1513     return r;
1514 }
1515
1516 static int qemu_suspend_requested(void)
1517 {
1518     int r = suspend_requested;
1519     suspend_requested = 0;
1520     return r;
1521 }
1522
1523 static int qemu_wakeup_requested(void)
1524 {
1525     int r = wakeup_requested;
1526     wakeup_requested = 0;
1527     return r;
1528 }
1529
1530 static int qemu_powerdown_requested(void)
1531 {
1532     int r = powerdown_requested;
1533     powerdown_requested = 0;
1534     return r;
1535 }
1536
1537 static int qemu_debug_requested(void)
1538 {
1539     int r = debug_requested;
1540     debug_requested = 0;
1541     return r;
1542 }
1543
1544 /* We use RUN_STATE_MAX but any invalid value will do */
1545 static bool qemu_vmstop_requested(RunState *r)
1546 {
1547     if (vmstop_requested < RUN_STATE_MAX) {
1548         *r = vmstop_requested;
1549         vmstop_requested = RUN_STATE_MAX;
1550         return true;
1551     }
1552
1553     return false;
1554 }
1555
1556 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1557 {
1558     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1559
1560     re->func = func;
1561     re->opaque = opaque;
1562     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1563 }
1564
1565 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1566 {
1567     QEMUResetEntry *re;
1568
1569     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1570         if (re->func == func && re->opaque == opaque) {
1571             QTAILQ_REMOVE(&reset_handlers, re, entry);
1572             g_free(re);
1573             return;
1574         }
1575     }
1576 }
1577
1578 void qemu_devices_reset(void)
1579 {
1580     QEMUResetEntry *re, *nre;
1581
1582     /* reset all devices */
1583     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1584         re->func(re->opaque);
1585     }
1586 }
1587
1588 void qemu_system_reset(bool report)
1589 {
1590     if (current_machine && current_machine->reset) {
1591         current_machine->reset();
1592     } else {
1593         qemu_devices_reset();
1594     }
1595     if (report) {
1596         monitor_protocol_event(QEVENT_RESET, NULL);
1597     }
1598     cpu_synchronize_all_post_reset();
1599 }
1600
1601 void qemu_system_reset_request(void)
1602 {
1603     if (no_reboot) {
1604         shutdown_requested = 1;
1605     } else {
1606         reset_requested = 1;
1607     }
1608     cpu_stop_current();
1609     qemu_notify_event();
1610 }
1611
1612 static void qemu_system_suspend(void)
1613 {
1614     pause_all_vcpus();
1615     notifier_list_notify(&suspend_notifiers, NULL);
1616     runstate_set(RUN_STATE_SUSPENDED);
1617     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1618 }
1619
1620 void qemu_system_suspend_request(void)
1621 {
1622     if (runstate_check(RUN_STATE_SUSPENDED)) {
1623         return;
1624     }
1625     suspend_requested = 1;
1626     cpu_stop_current();
1627     qemu_notify_event();
1628 }
1629
1630 void qemu_register_suspend_notifier(Notifier *notifier)
1631 {
1632     notifier_list_add(&suspend_notifiers, notifier);
1633 }
1634
1635 void qemu_system_wakeup_request(WakeupReason reason)
1636 {
1637     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1638         return;
1639     }
1640     if (!(wakeup_reason_mask & (1 << reason))) {
1641         return;
1642     }
1643     runstate_set(RUN_STATE_RUNNING);
1644     notifier_list_notify(&wakeup_notifiers, &reason);
1645     wakeup_requested = 1;
1646     qemu_notify_event();
1647 }
1648
1649 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1650 {
1651     if (enabled) {
1652         wakeup_reason_mask |= (1 << reason);
1653     } else {
1654         wakeup_reason_mask &= ~(1 << reason);
1655     }
1656 }
1657
1658 void qemu_register_wakeup_notifier(Notifier *notifier)
1659 {
1660     notifier_list_add(&wakeup_notifiers, notifier);
1661 }
1662
1663 void qemu_system_killed(int signal, pid_t pid)
1664 {
1665     shutdown_signal = signal;
1666     shutdown_pid = pid;
1667     no_shutdown = 0;
1668     qemu_system_shutdown_request();
1669 }
1670
1671 void qemu_system_shutdown_request(void)
1672 {
1673     shutdown_requested = 1;
1674     qemu_notify_event();
1675 }
1676
1677 static void qemu_system_powerdown(void)
1678 {
1679     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1680     notifier_list_notify(&powerdown_notifiers, NULL);
1681 }
1682
1683 void qemu_system_powerdown_request(void)
1684 {
1685     powerdown_requested = 1;
1686     qemu_notify_event();
1687 }
1688
1689 void qemu_register_powerdown_notifier(Notifier *notifier)
1690 {
1691     notifier_list_add(&powerdown_notifiers, notifier);
1692 }
1693
1694 void qemu_system_debug_request(void)
1695 {
1696     debug_requested = 1;
1697     qemu_notify_event();
1698 }
1699
1700 void qemu_system_vmstop_request(RunState state)
1701 {
1702     vmstop_requested = state;
1703     qemu_notify_event();
1704 }
1705
1706 static bool main_loop_should_exit(void)
1707 {
1708     RunState r;
1709     if (qemu_debug_requested()) {
1710         vm_stop(RUN_STATE_DEBUG);
1711     }
1712     if (qemu_suspend_requested()) {
1713         qemu_system_suspend();
1714     }
1715     if (qemu_shutdown_requested()) {
1716         qemu_kill_report();
1717         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1718         if (no_shutdown) {
1719             vm_stop(RUN_STATE_SHUTDOWN);
1720         } else {
1721             return true;
1722         }
1723     }
1724     if (qemu_reset_requested()) {
1725         pause_all_vcpus();
1726         cpu_synchronize_all_states();
1727         qemu_system_reset(VMRESET_REPORT);
1728         resume_all_vcpus();
1729         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1730             runstate_check(RUN_STATE_SHUTDOWN)) {
1731             runstate_set(RUN_STATE_PAUSED);
1732         }
1733     }
1734     if (qemu_wakeup_requested()) {
1735         pause_all_vcpus();
1736         cpu_synchronize_all_states();
1737         qemu_system_reset(VMRESET_SILENT);
1738         resume_all_vcpus();
1739         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1740     }
1741     if (qemu_powerdown_requested()) {
1742         qemu_system_powerdown();
1743     }
1744     if (qemu_vmstop_requested(&r)) {
1745         vm_stop(r);
1746     }
1747     return false;
1748 }
1749
1750 static void main_loop(void)
1751 {
1752     bool nonblocking;
1753     int last_io = 0;
1754 #ifdef CONFIG_PROFILER
1755     int64_t ti;
1756 #endif
1757     do {
1758         nonblocking = !kvm_enabled() && last_io > 0;
1759 #ifdef CONFIG_PROFILER
1760         ti = profile_getclock();
1761 #endif
1762         last_io = main_loop_wait(nonblocking);
1763 #ifdef CONFIG_PROFILER
1764         dev_time += profile_getclock() - ti;
1765 #endif
1766     } while (!main_loop_should_exit());
1767 }
1768
1769 static void version(void)
1770 {
1771     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1772 }
1773
1774 static void help(int exitcode)
1775 {
1776     version();
1777     printf("usage: %s [options] [disk_image]\n\n"
1778            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1779             error_get_progname());
1780
1781 #define QEMU_OPTIONS_GENERATE_HELP
1782 #include "qemu-options-wrapper.h"
1783
1784     printf("\nDuring emulation, the following keys are useful:\n"
1785            "ctrl-alt-f      toggle full screen\n"
1786            "ctrl-alt-n      switch to virtual console 'n'\n"
1787            "ctrl-alt        toggle mouse and keyboard grab\n"
1788            "\n"
1789            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1790
1791     exit(exitcode);
1792 }
1793
1794 #define HAS_ARG 0x0001
1795
1796 typedef struct QEMUOption {
1797     const char *name;
1798     int flags;
1799     int index;
1800     uint32_t arch_mask;
1801 } QEMUOption;
1802
1803 static const QEMUOption qemu_options[] = {
1804     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1805 #define QEMU_OPTIONS_GENERATE_OPTIONS
1806 #include "qemu-options-wrapper.h"
1807     { NULL },
1808 };
1809
1810 static bool vga_available(void)
1811 {
1812     return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1813 }
1814
1815 static bool cirrus_vga_available(void)
1816 {
1817     return object_class_by_name("cirrus-vga")
1818            || object_class_by_name("isa-cirrus-vga");
1819 }
1820
1821 static bool vmware_vga_available(void)
1822 {
1823     return object_class_by_name("vmware-svga");
1824 }
1825
1826 static bool qxl_vga_available(void)
1827 {
1828     return object_class_by_name("qxl-vga");
1829 }
1830
1831 static void select_vgahw (const char *p)
1832 {
1833     const char *opts;
1834
1835     vga_interface_type = VGA_NONE;
1836     if (strstart(p, "std", &opts)) {
1837         if (vga_available()) {
1838             vga_interface_type = VGA_STD;
1839         } else {
1840             fprintf(stderr, "Error: standard VGA not available\n");
1841             exit(0);
1842         }
1843     } else if (strstart(p, "cirrus", &opts)) {
1844         if (cirrus_vga_available()) {
1845             vga_interface_type = VGA_CIRRUS;
1846         } else {
1847             fprintf(stderr, "Error: Cirrus VGA not available\n");
1848             exit(0);
1849         }
1850     } else if (strstart(p, "vmware", &opts)) {
1851         if (vmware_vga_available()) {
1852             vga_interface_type = VGA_VMWARE;
1853         } else {
1854             fprintf(stderr, "Error: VMWare SVGA not available\n");
1855             exit(0);
1856         }
1857     } else if (strstart(p, "xenfb", &opts)) {
1858         vga_interface_type = VGA_XENFB;
1859     } else if (strstart(p, "qxl", &opts)) {
1860         if (qxl_vga_available()) {
1861             vga_interface_type = VGA_QXL;
1862         } else {
1863             fprintf(stderr, "Error: QXL VGA not available\n");
1864             exit(0);
1865         }
1866     } else if (!strstart(p, "none", &opts)) {
1867     invalid_vga:
1868         fprintf(stderr, "Unknown vga type: %s\n", p);
1869         exit(1);
1870     }
1871     while (*opts) {
1872         const char *nextopt;
1873
1874         if (strstart(opts, ",retrace=", &nextopt)) {
1875             opts = nextopt;
1876             if (strstart(opts, "dumb", &nextopt))
1877                 vga_retrace_method = VGA_RETRACE_DUMB;
1878             else if (strstart(opts, "precise", &nextopt))
1879                 vga_retrace_method = VGA_RETRACE_PRECISE;
1880             else goto invalid_vga;
1881         } else goto invalid_vga;
1882         opts = nextopt;
1883     }
1884 }
1885
1886 static DisplayType select_display(const char *p)
1887 {
1888     const char *opts;
1889     DisplayType display = DT_DEFAULT;
1890
1891     if (strstart(p, "sdl", &opts)) {
1892 #ifdef CONFIG_SDL
1893         display = DT_SDL;
1894         while (*opts) {
1895             const char *nextopt;
1896
1897             if (strstart(opts, ",frame=", &nextopt)) {
1898                 opts = nextopt;
1899                 if (strstart(opts, "on", &nextopt)) {
1900                     no_frame = 0;
1901                 } else if (strstart(opts, "off", &nextopt)) {
1902                     no_frame = 1;
1903                 } else {
1904                     goto invalid_sdl_args;
1905                 }
1906             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1907                 opts = nextopt;
1908                 if (strstart(opts, "on", &nextopt)) {
1909                     alt_grab = 1;
1910                 } else if (strstart(opts, "off", &nextopt)) {
1911                     alt_grab = 0;
1912                 } else {
1913                     goto invalid_sdl_args;
1914                 }
1915             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1916                 opts = nextopt;
1917                 if (strstart(opts, "on", &nextopt)) {
1918                     ctrl_grab = 1;
1919                 } else if (strstart(opts, "off", &nextopt)) {
1920                     ctrl_grab = 0;
1921                 } else {
1922                     goto invalid_sdl_args;
1923                 }
1924             } else if (strstart(opts, ",window_close=", &nextopt)) {
1925                 opts = nextopt;
1926                 if (strstart(opts, "on", &nextopt)) {
1927                     no_quit = 0;
1928                 } else if (strstart(opts, "off", &nextopt)) {
1929                     no_quit = 1;
1930                 } else {
1931                     goto invalid_sdl_args;
1932                 }
1933             } else {
1934             invalid_sdl_args:
1935                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1936                 exit(1);
1937             }
1938             opts = nextopt;
1939         }
1940 #else
1941         fprintf(stderr, "SDL support is disabled\n");
1942         exit(1);
1943 #endif
1944     } else if (strstart(p, "vnc", &opts)) {
1945 #ifdef CONFIG_VNC
1946         display_remote++;
1947
1948         if (*opts) {
1949             const char *nextopt;
1950
1951             if (strstart(opts, "=", &nextopt)) {
1952                 vnc_display = nextopt;
1953             }
1954         }
1955         if (!vnc_display) {
1956             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1957             exit(1);
1958         }
1959 #else
1960         fprintf(stderr, "VNC support is disabled\n");
1961         exit(1);
1962 #endif
1963     } else if (strstart(p, "curses", &opts)) {
1964 #ifdef CONFIG_CURSES
1965         display = DT_CURSES;
1966 #else
1967         fprintf(stderr, "Curses support is disabled\n");
1968         exit(1);
1969 #endif
1970     } else if (strstart(p, "none", &opts)) {
1971         display = DT_NONE;
1972     } else {
1973         fprintf(stderr, "Unknown display type: %s\n", p);
1974         exit(1);
1975     }
1976
1977     return display;
1978 }
1979
1980 static int balloon_parse(const char *arg)
1981 {
1982     QemuOpts *opts;
1983
1984     if (strcmp(arg, "none") == 0) {
1985         return 0;
1986     }
1987
1988     if (!strncmp(arg, "virtio", 6)) {
1989         if (arg[6] == ',') {
1990             /* have params -> parse them */
1991             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1992             if (!opts)
1993                 return  -1;
1994         } else {
1995             /* create empty opts */
1996             opts = qemu_opts_create_nofail(qemu_find_opts("device"));
1997         }
1998         qemu_opt_set(opts, "driver", "virtio-balloon");
1999         return 0;
2000     }
2001
2002     return -1;
2003 }
2004
2005 char *qemu_find_file(int type, const char *name)
2006 {
2007     int len;
2008     const char *subdir;
2009     char *buf;
2010
2011     /* Try the name as a straight path first */
2012     if (access(name, R_OK) == 0) {
2013         return g_strdup(name);
2014     }
2015     switch (type) {
2016     case QEMU_FILE_TYPE_BIOS:
2017         subdir = "";
2018         break;
2019     case QEMU_FILE_TYPE_KEYMAP:
2020         subdir = "keymaps/";
2021         break;
2022     default:
2023         abort();
2024     }
2025     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2026     buf = g_malloc0(len);
2027     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2028     if (access(buf, R_OK)) {
2029         g_free(buf);
2030         return NULL;
2031     }
2032     return buf;
2033 }
2034
2035 static int device_help_func(QemuOpts *opts, void *opaque)
2036 {
2037     return qdev_device_help(opts);
2038 }
2039
2040 static int device_init_func(QemuOpts *opts, void *opaque)
2041 {
2042     DeviceState *dev;
2043
2044     dev = qdev_device_add(opts);
2045     if (!dev)
2046         return -1;
2047     return 0;
2048 }
2049
2050 static int chardev_init_func(QemuOpts *opts, void *opaque)
2051 {
2052     CharDriverState *chr;
2053
2054     chr = qemu_chr_new_from_opts(opts, NULL);
2055     if (!chr)
2056         return -1;
2057     return 0;
2058 }
2059
2060 #ifdef CONFIG_VIRTFS
2061 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2062 {
2063     int ret;
2064     ret = qemu_fsdev_add(opts);
2065
2066     return ret;
2067 }
2068 #endif
2069
2070 static int mon_init_func(QemuOpts *opts, void *opaque)
2071 {
2072     CharDriverState *chr;
2073     const char *chardev;
2074     const char *mode;
2075     int flags;
2076
2077     mode = qemu_opt_get(opts, "mode");
2078     if (mode == NULL) {
2079         mode = "readline";
2080     }
2081     if (strcmp(mode, "readline") == 0) {
2082         flags = MONITOR_USE_READLINE;
2083     } else if (strcmp(mode, "control") == 0) {
2084         flags = MONITOR_USE_CONTROL;
2085     } else {
2086         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2087         exit(1);
2088     }
2089
2090     if (qemu_opt_get_bool(opts, "pretty", 0))
2091         flags |= MONITOR_USE_PRETTY;
2092
2093     if (qemu_opt_get_bool(opts, "default", 0))
2094         flags |= MONITOR_IS_DEFAULT;
2095
2096     chardev = qemu_opt_get(opts, "chardev");
2097     chr = qemu_chr_find(chardev);
2098     if (chr == NULL) {
2099         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2100         exit(1);
2101     }
2102
2103     monitor_init(chr, flags);
2104     return 0;
2105 }
2106
2107 static void monitor_parse(const char *optarg, const char *mode)
2108 {
2109     static int monitor_device_index = 0;
2110     QemuOpts *opts;
2111     const char *p;
2112     char label[32];
2113     int def = 0;
2114
2115     if (strstart(optarg, "chardev:", &p)) {
2116         snprintf(label, sizeof(label), "%s", p);
2117     } else {
2118         snprintf(label, sizeof(label), "compat_monitor%d",
2119                  monitor_device_index);
2120         if (monitor_device_index == 0) {
2121             def = 1;
2122         }
2123         opts = qemu_chr_parse_compat(label, optarg);
2124         if (!opts) {
2125             fprintf(stderr, "parse error: %s\n", optarg);
2126             exit(1);
2127         }
2128     }
2129
2130     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2131     if (!opts) {
2132         fprintf(stderr, "duplicate chardev: %s\n", label);
2133         exit(1);
2134     }
2135     qemu_opt_set(opts, "mode", mode);
2136     qemu_opt_set(opts, "chardev", label);
2137     if (def)
2138         qemu_opt_set(opts, "default", "on");
2139     monitor_device_index++;
2140 }
2141
2142 struct device_config {
2143     enum {
2144         DEV_USB,       /* -usbdevice     */
2145         DEV_BT,        /* -bt            */
2146         DEV_SERIAL,    /* -serial        */
2147         DEV_PARALLEL,  /* -parallel      */
2148         DEV_VIRTCON,   /* -virtioconsole */
2149         DEV_DEBUGCON,  /* -debugcon */
2150         DEV_GDB,       /* -gdb, -s */
2151     } type;
2152     const char *cmdline;
2153     Location loc;
2154     QTAILQ_ENTRY(device_config) next;
2155 };
2156
2157 static QTAILQ_HEAD(, device_config) device_configs =
2158     QTAILQ_HEAD_INITIALIZER(device_configs);
2159
2160 static void add_device_config(int type, const char *cmdline)
2161 {
2162     struct device_config *conf;
2163
2164     conf = g_malloc0(sizeof(*conf));
2165     conf->type = type;
2166     conf->cmdline = cmdline;
2167     loc_save(&conf->loc);
2168     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2169 }
2170
2171 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2172 {
2173     struct device_config *conf;
2174     int rc;
2175
2176     QTAILQ_FOREACH(conf, &device_configs, next) {
2177         if (conf->type != type)
2178             continue;
2179         loc_push_restore(&conf->loc);
2180         rc = func(conf->cmdline);
2181         loc_pop(&conf->loc);
2182         if (0 != rc)
2183             return rc;
2184     }
2185     return 0;
2186 }
2187
2188 static int serial_parse(const char *devname)
2189 {
2190     static int index = 0;
2191     char label[32];
2192
2193     if (strcmp(devname, "none") == 0)
2194         return 0;
2195     if (index == MAX_SERIAL_PORTS) {
2196         fprintf(stderr, "qemu: too many serial ports\n");
2197         exit(1);
2198     }
2199     snprintf(label, sizeof(label), "serial%d", index);
2200     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2201     if (!serial_hds[index]) {
2202         fprintf(stderr, "qemu: could not connect serial device"
2203                 " to character backend '%s'\n", devname);
2204         return -1;
2205     }
2206     index++;
2207     return 0;
2208 }
2209
2210 static int parallel_parse(const char *devname)
2211 {
2212     static int index = 0;
2213     char label[32];
2214
2215     if (strcmp(devname, "none") == 0)
2216         return 0;
2217     if (index == MAX_PARALLEL_PORTS) {
2218         fprintf(stderr, "qemu: too many parallel ports\n");
2219         exit(1);
2220     }
2221     snprintf(label, sizeof(label), "parallel%d", index);
2222     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2223     if (!parallel_hds[index]) {
2224         fprintf(stderr, "qemu: could not connect parallel device"
2225                 " to character backend '%s'\n", devname);
2226         return -1;
2227     }
2228     index++;
2229     return 0;
2230 }
2231
2232 static int virtcon_parse(const char *devname)
2233 {
2234     QemuOptsList *device = qemu_find_opts("device");
2235     static int index = 0;
2236     char label[32];
2237     QemuOpts *bus_opts, *dev_opts;
2238
2239     if (strcmp(devname, "none") == 0)
2240         return 0;
2241     if (index == MAX_VIRTIO_CONSOLES) {
2242         fprintf(stderr, "qemu: too many virtio consoles\n");
2243         exit(1);
2244     }
2245
2246     bus_opts = qemu_opts_create_nofail(device);
2247     if (arch_type == QEMU_ARCH_S390X) {
2248         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2249     } else {
2250         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2251     }
2252
2253     dev_opts = qemu_opts_create_nofail(device);
2254     qemu_opt_set(dev_opts, "driver", "virtconsole");
2255
2256     snprintf(label, sizeof(label), "virtcon%d", index);
2257     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2258     if (!virtcon_hds[index]) {
2259         fprintf(stderr, "qemu: could not connect virtio console"
2260                 " to character backend '%s'\n", devname);
2261         return -1;
2262     }
2263     qemu_opt_set(dev_opts, "chardev", label);
2264
2265     index++;
2266     return 0;
2267 }
2268
2269 static int debugcon_parse(const char *devname)
2270 {
2271     QemuOpts *opts;
2272
2273     if (!qemu_chr_new("debugcon", devname, NULL)) {
2274         exit(1);
2275     }
2276     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2277     if (!opts) {
2278         fprintf(stderr, "qemu: already have a debugcon device\n");
2279         exit(1);
2280     }
2281     qemu_opt_set(opts, "driver", "isa-debugcon");
2282     qemu_opt_set(opts, "chardev", "debugcon");
2283     return 0;
2284 }
2285
2286 static QEMUMachine *machine_parse(const char *name)
2287 {
2288     QEMUMachine *m, *machine = NULL;
2289
2290     if (name) {
2291         machine = find_machine(name);
2292     }
2293     if (machine) {
2294         return machine;
2295     }
2296     printf("Supported machines are:\n");
2297     for (m = first_machine; m != NULL; m = m->next) {
2298         if (m->alias) {
2299             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2300         }
2301         printf("%-20s %s%s\n", m->name, m->desc,
2302                m->is_default ? " (default)" : "");
2303     }
2304     exit(!name || !is_help_option(name));
2305 }
2306
2307 static int tcg_init(void)
2308 {
2309     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2310     return 0;
2311 }
2312
2313 static struct {
2314     const char *opt_name;
2315     const char *name;
2316     int (*available)(void);
2317     int (*init)(void);
2318     int *allowed;
2319 } accel_list[] = {
2320     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2321     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2322     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2323     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2324 };
2325
2326 static int configure_accelerator(void)
2327 {
2328     const char *p = NULL;
2329     char buf[10];
2330     int i, ret;
2331     bool accel_initialised = 0;
2332     bool init_failed = 0;
2333
2334     QemuOptsList *list = qemu_find_opts("machine");
2335     if (!QTAILQ_EMPTY(&list->head)) {
2336         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2337     }
2338
2339     if (p == NULL) {
2340         /* Use the default "accelerator", tcg */
2341         p = "tcg";
2342     }
2343
2344     while (!accel_initialised && *p != '\0') {
2345         if (*p == ':') {
2346             p++;
2347         }
2348         p = get_opt_name(buf, sizeof (buf), p, ':');
2349         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2350             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2351                 *(accel_list[i].allowed) = 1;
2352                 ret = accel_list[i].init();
2353                 if (ret < 0) {
2354                     init_failed = 1;
2355                     if (!accel_list[i].available()) {
2356                         printf("%s not supported for this target\n",
2357                                accel_list[i].name);
2358                     } else {
2359                         fprintf(stderr, "failed to initialize %s: %s\n",
2360                                 accel_list[i].name,
2361                                 strerror(-ret));
2362                     }
2363                     *(accel_list[i].allowed) = 0;
2364                 } else {
2365                     accel_initialised = 1;
2366                 }
2367                 break;
2368             }
2369         }
2370         if (i == ARRAY_SIZE(accel_list)) {
2371             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2372         }
2373     }
2374
2375     if (!accel_initialised) {
2376         fprintf(stderr, "No accelerator found!\n");
2377         exit(1);
2378     }
2379
2380     if (init_failed) {
2381         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2382     }
2383
2384     return !accel_initialised;
2385 }
2386
2387 void qemu_add_exit_notifier(Notifier *notify)
2388 {
2389     notifier_list_add(&exit_notifiers, notify);
2390 }
2391
2392 void qemu_remove_exit_notifier(Notifier *notify)
2393 {
2394     notifier_remove(notify);
2395 }
2396
2397 static void qemu_run_exit_notifiers(void)
2398 {
2399     notifier_list_notify(&exit_notifiers, NULL);
2400 }
2401
2402 void qemu_add_machine_init_done_notifier(Notifier *notify)
2403 {
2404     notifier_list_add(&machine_init_done_notifiers, notify);
2405 }
2406
2407 static void qemu_run_machine_init_done_notifiers(void)
2408 {
2409     notifier_list_notify(&machine_init_done_notifiers, NULL);
2410 }
2411
2412 static const QEMUOption *lookup_opt(int argc, char **argv,
2413                                     const char **poptarg, int *poptind)
2414 {
2415     const QEMUOption *popt;
2416     int optind = *poptind;
2417     char *r = argv[optind];
2418     const char *optarg;
2419
2420     loc_set_cmdline(argv, optind, 1);
2421     optind++;
2422     /* Treat --foo the same as -foo.  */
2423     if (r[1] == '-')
2424         r++;
2425     popt = qemu_options;
2426     for(;;) {
2427         if (!popt->name) {
2428             error_report("invalid option");
2429             exit(1);
2430         }
2431         if (!strcmp(popt->name, r + 1))
2432             break;
2433         popt++;
2434     }
2435     if (popt->flags & HAS_ARG) {
2436         if (optind >= argc) {
2437             error_report("requires an argument");
2438             exit(1);
2439         }
2440         optarg = argv[optind++];
2441         loc_set_cmdline(argv, optind - 2, 2);
2442     } else {
2443         optarg = NULL;
2444     }
2445
2446     *poptarg = optarg;
2447     *poptind = optind;
2448
2449     return popt;
2450 }
2451
2452 static gpointer malloc_and_trace(gsize n_bytes)
2453 {
2454     void *ptr = malloc(n_bytes);
2455     trace_g_malloc(n_bytes, ptr);
2456     return ptr;
2457 }
2458
2459 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2460 {
2461     void *ptr = realloc(mem, n_bytes);
2462     trace_g_realloc(mem, n_bytes, ptr);
2463     return ptr;
2464 }
2465
2466 static void free_and_trace(gpointer mem)
2467 {
2468     trace_g_free(mem);
2469     free(mem);
2470 }
2471
2472 static int object_set_property(const char *name, const char *value, void *opaque)
2473 {
2474     Object *obj = OBJECT(opaque);
2475     StringInputVisitor *siv;
2476     Error *local_err = NULL;
2477
2478     if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2479         return 0;
2480     }
2481
2482     siv = string_input_visitor_new(value);
2483     object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2484     string_input_visitor_cleanup(siv);
2485
2486     if (local_err) {
2487         qerror_report_err(local_err);
2488         error_free(local_err);
2489         return -1;
2490     }
2491
2492     return 0;
2493 }
2494
2495 static int object_create(QemuOpts *opts, void *opaque)
2496 {
2497     const char *type = qemu_opt_get(opts, "qom-type");
2498     const char *id = qemu_opts_id(opts);
2499     Object *obj;
2500
2501     g_assert(type != NULL);
2502
2503     if (id == NULL) {
2504         qerror_report(QERR_MISSING_PARAMETER, "id");
2505         return -1;
2506     }
2507
2508     obj = object_new(type);
2509     if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2510         return -1;
2511     }
2512
2513     object_property_add_child(container_get(object_get_root(), "/objects"),
2514                               id, obj, NULL);
2515
2516     return 0;
2517 }
2518
2519 int main(int argc, char **argv, char **envp)
2520 {
2521     int i;
2522     int snapshot, linux_boot;
2523     const char *icount_option = NULL;
2524     const char *initrd_filename;
2525     const char *kernel_filename, *kernel_cmdline;
2526     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2527     DisplayState *ds;
2528     int cyls, heads, secs, translation;
2529     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2530     QemuOptsList *olist;
2531     int optind;
2532     const char *optarg;
2533     const char *loadvm = NULL;
2534     QEMUMachine *machine;
2535     const char *cpu_model;
2536     const char *vga_model = "none";
2537     const char *pid_file = NULL;
2538     const char *incoming = NULL;
2539 #ifdef CONFIG_VNC
2540     int show_vnc_port = 0;
2541 #endif
2542     bool defconfig = true;
2543     bool userconfig = true;
2544     const char *log_mask = NULL;
2545     const char *log_file = NULL;
2546     GMemVTable mem_trace = {
2547         .malloc = malloc_and_trace,
2548         .realloc = realloc_and_trace,
2549         .free = free_and_trace,
2550     };
2551     const char *trace_events = NULL;
2552     const char *trace_file = NULL;
2553
2554     atexit(qemu_run_exit_notifiers);
2555     error_set_progname(argv[0]);
2556
2557     g_mem_set_vtable(&mem_trace);
2558     if (!g_thread_supported()) {
2559 #if !GLIB_CHECK_VERSION(2, 31, 0)
2560         g_thread_init(NULL);
2561 #else
2562         fprintf(stderr, "glib threading failed to initialize.\n");
2563         exit(1);
2564 #endif
2565     }
2566
2567     module_call_init(MODULE_INIT_QOM);
2568
2569     runstate_init();
2570
2571     init_clocks();
2572     rtc_clock = host_clock;
2573
2574     qemu_cache_utils_init(envp);
2575
2576     QLIST_INIT (&vm_change_state_head);
2577     os_setup_early_signal_handling();
2578
2579     module_call_init(MODULE_INIT_MACHINE);
2580     machine = find_default_machine();
2581     cpu_model = NULL;
2582     ram_size = 0;
2583     snapshot = 0;
2584     cyls = heads = secs = 0;
2585     translation = BIOS_ATA_TRANSLATION_AUTO;
2586
2587     for (i = 0; i < MAX_NODES; i++) {
2588         node_mem[i] = 0;
2589         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2590     }
2591
2592     nb_numa_nodes = 0;
2593     nb_nics = 0;
2594
2595     autostart= 1;
2596
2597     /* first pass of option parsing */
2598     optind = 1;
2599     while (optind < argc) {
2600         if (argv[optind][0] != '-') {
2601             /* disk image */
2602             optind++;
2603             continue;
2604         } else {
2605             const QEMUOption *popt;
2606
2607             popt = lookup_opt(argc, argv, &optarg, &optind);
2608             switch (popt->index) {
2609             case QEMU_OPTION_nodefconfig:
2610                 defconfig = false;
2611                 break;
2612             case QEMU_OPTION_nouserconfig:
2613                 userconfig = false;
2614                 break;
2615             }
2616         }
2617     }
2618
2619     if (defconfig) {
2620         int ret;
2621         ret = qemu_read_default_config_files(userconfig);
2622         if (ret < 0) {
2623             exit(1);
2624         }
2625     }
2626
2627     /* second pass of option parsing */
2628     optind = 1;
2629     for(;;) {
2630         if (optind >= argc)
2631             break;
2632         if (argv[optind][0] != '-') {
2633             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2634         } else {
2635             const QEMUOption *popt;
2636
2637             popt = lookup_opt(argc, argv, &optarg, &optind);
2638             if (!(popt->arch_mask & arch_type)) {
2639                 printf("Option %s not supported for this target\n", popt->name);
2640                 exit(1);
2641             }
2642             switch(popt->index) {
2643             case QEMU_OPTION_M:
2644                 machine = machine_parse(optarg);
2645                 break;
2646             case QEMU_OPTION_no_kvm_irqchip: {
2647                 olist = qemu_find_opts("machine");
2648                 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2649                 break;
2650             }
2651             case QEMU_OPTION_cpu:
2652                 /* hw initialization will check this */
2653                 cpu_model = optarg;
2654                 break;
2655             case QEMU_OPTION_hda:
2656                 {
2657                     char buf[256];
2658                     if (cyls == 0)
2659                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2660                     else
2661                         snprintf(buf, sizeof(buf),
2662                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2663                                  HD_OPTS , cyls, heads, secs,
2664                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2665                                  ",trans=lba" :
2666                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2667                                  ",trans=none" : "");
2668                     drive_add(IF_DEFAULT, 0, optarg, buf);
2669                     break;
2670                 }
2671             case QEMU_OPTION_hdb:
2672             case QEMU_OPTION_hdc:
2673             case QEMU_OPTION_hdd:
2674                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2675                           HD_OPTS);
2676                 break;
2677             case QEMU_OPTION_drive:
2678                 if (drive_def(optarg) == NULL) {
2679                     exit(1);
2680                 }
2681                 break;
2682             case QEMU_OPTION_set:
2683                 if (qemu_set_option(optarg) != 0)
2684                     exit(1);
2685                 break;
2686             case QEMU_OPTION_global:
2687                 if (qemu_global_option(optarg) != 0)
2688                     exit(1);
2689                 break;
2690             case QEMU_OPTION_mtdblock:
2691                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2692                 break;
2693             case QEMU_OPTION_sd:
2694                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2695                 break;
2696             case QEMU_OPTION_pflash:
2697                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2698                 break;
2699             case QEMU_OPTION_snapshot:
2700                 snapshot = 1;
2701                 break;
2702             case QEMU_OPTION_hdachs:
2703                 {
2704                     const char *p;
2705                     p = optarg;
2706                     cyls = strtol(p, (char **)&p, 0);
2707                     if (cyls < 1 || cyls > 16383)
2708                         goto chs_fail;
2709                     if (*p != ',')
2710                         goto chs_fail;
2711                     p++;
2712                     heads = strtol(p, (char **)&p, 0);
2713                     if (heads < 1 || heads > 16)
2714                         goto chs_fail;
2715                     if (*p != ',')
2716                         goto chs_fail;
2717                     p++;
2718                     secs = strtol(p, (char **)&p, 0);
2719                     if (secs < 1 || secs > 63)
2720                         goto chs_fail;
2721                     if (*p == ',') {
2722                         p++;
2723                         if (!strcmp(p, "none"))
2724                             translation = BIOS_ATA_TRANSLATION_NONE;
2725                         else if (!strcmp(p, "lba"))
2726                             translation = BIOS_ATA_TRANSLATION_LBA;
2727                         else if (!strcmp(p, "auto"))
2728                             translation = BIOS_ATA_TRANSLATION_AUTO;
2729                         else
2730                             goto chs_fail;
2731                     } else if (*p != '\0') {
2732                     chs_fail:
2733                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2734                         exit(1);
2735                     }
2736                     if (hda_opts != NULL) {
2737                         char num[16];
2738                         snprintf(num, sizeof(num), "%d", cyls);
2739                         qemu_opt_set(hda_opts, "cyls", num);
2740                         snprintf(num, sizeof(num), "%d", heads);
2741                         qemu_opt_set(hda_opts, "heads", num);
2742                         snprintf(num, sizeof(num), "%d", secs);
2743                         qemu_opt_set(hda_opts, "secs", num);
2744                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2745                             qemu_opt_set(hda_opts, "trans", "lba");
2746                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2747                             qemu_opt_set(hda_opts, "trans", "none");
2748                     }
2749                 }
2750                 break;
2751             case QEMU_OPTION_numa:
2752                 if (nb_numa_nodes >= MAX_NODES) {
2753                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2754                     exit(1);
2755                 }
2756                 numa_add(optarg);
2757                 break;
2758             case QEMU_OPTION_display:
2759                 display_type = select_display(optarg);
2760                 break;
2761             case QEMU_OPTION_nographic:
2762                 display_type = DT_NOGRAPHIC;
2763                 break;
2764             case QEMU_OPTION_curses:
2765 #ifdef CONFIG_CURSES
2766                 display_type = DT_CURSES;
2767 #else
2768                 fprintf(stderr, "Curses support is disabled\n");
2769                 exit(1);
2770 #endif
2771                 break;
2772             case QEMU_OPTION_portrait:
2773                 graphic_rotate = 90;
2774                 break;
2775             case QEMU_OPTION_rotate:
2776                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2777                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2778                     graphic_rotate != 180 && graphic_rotate != 270) {
2779                     fprintf(stderr,
2780                         "qemu: only 90, 180, 270 deg rotation is available\n");
2781                     exit(1);
2782                 }
2783                 break;
2784             case QEMU_OPTION_kernel:
2785                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2786                 break;
2787             case QEMU_OPTION_initrd:
2788                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2789                 break;
2790             case QEMU_OPTION_append:
2791                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2792                 break;
2793             case QEMU_OPTION_dtb:
2794                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2795                 break;
2796             case QEMU_OPTION_cdrom:
2797                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2798                 break;
2799             case QEMU_OPTION_boot:
2800                 {
2801                     static const char * const params[] = {
2802                         "order", "once", "menu",
2803                         "splash", "splash-time",
2804                         "reboot-timeout", NULL
2805                     };
2806                     char buf[sizeof(boot_devices)];
2807                     char *standard_boot_devices;
2808                     int legacy = 0;
2809
2810                     if (!strchr(optarg, '=')) {
2811                         legacy = 1;
2812                         pstrcpy(buf, sizeof(buf), optarg);
2813                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2814                         fprintf(stderr,
2815                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2816                                 buf, optarg);
2817                         exit(1);
2818                     }
2819
2820                     if (legacy ||
2821                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2822                         validate_bootdevices(buf);
2823                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2824                     }
2825                     if (!legacy) {
2826                         if (get_param_value(buf, sizeof(buf),
2827                                             "once", optarg)) {
2828                             validate_bootdevices(buf);
2829                             standard_boot_devices = g_strdup(boot_devices);
2830                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2831                             qemu_register_reset(restore_boot_devices,
2832                                                 standard_boot_devices);
2833                         }
2834                         if (get_param_value(buf, sizeof(buf),
2835                                             "menu", optarg)) {
2836                             if (!strcmp(buf, "on")) {
2837                                 boot_menu = 1;
2838                             } else if (!strcmp(buf, "off")) {
2839                                 boot_menu = 0;
2840                             } else {
2841                                 fprintf(stderr,
2842                                         "qemu: invalid option value '%s'\n",
2843                                         buf);
2844                                 exit(1);
2845                             }
2846                         }
2847                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2848                                         optarg, 0);
2849                     }
2850                 }
2851                 break;
2852             case QEMU_OPTION_fda:
2853             case QEMU_OPTION_fdb:
2854                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2855                           optarg, FD_OPTS);
2856                 break;
2857             case QEMU_OPTION_no_fd_bootchk:
2858                 fd_bootchk = 0;
2859                 break;
2860             case QEMU_OPTION_netdev:
2861                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2862                     exit(1);
2863                 }
2864                 break;
2865             case QEMU_OPTION_net:
2866                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2867                     exit(1);
2868                 }
2869                 break;
2870 #ifdef CONFIG_LIBISCSI
2871             case QEMU_OPTION_iscsi:
2872                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2873                 if (!opts) {
2874                     exit(1);
2875                 }
2876                 break;
2877 #endif
2878 #ifdef CONFIG_SLIRP
2879             case QEMU_OPTION_tftp:
2880                 legacy_tftp_prefix = optarg;
2881                 break;
2882             case QEMU_OPTION_bootp:
2883                 legacy_bootp_filename = optarg;
2884                 break;
2885             case QEMU_OPTION_redir:
2886                 if (net_slirp_redir(optarg) < 0)
2887                     exit(1);
2888                 break;
2889 #endif
2890             case QEMU_OPTION_bt:
2891                 add_device_config(DEV_BT, optarg);
2892                 break;
2893             case QEMU_OPTION_audio_help:
2894                 if (!(audio_available())) {
2895                     printf("Option %s not supported for this target\n", popt->name);
2896                     exit(1);
2897                 }
2898                 AUD_help ();
2899                 exit (0);
2900                 break;
2901             case QEMU_OPTION_soundhw:
2902                 if (!(audio_available())) {
2903                     printf("Option %s not supported for this target\n", popt->name);
2904                     exit(1);
2905                 }
2906                 select_soundhw (optarg);
2907                 break;
2908             case QEMU_OPTION_h:
2909                 help(0);
2910                 break;
2911             case QEMU_OPTION_version:
2912                 version();
2913                 exit(0);
2914                 break;
2915             case QEMU_OPTION_m: {
2916                 int64_t value;
2917                 uint64_t sz;
2918                 char *end;
2919
2920                 value = strtosz(optarg, &end);
2921                 if (value < 0 || *end) {
2922                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2923                     exit(1);
2924                 }
2925                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2926                 ram_size = sz;
2927                 if (ram_size != sz) {
2928                     fprintf(stderr, "qemu: ram size too large\n");
2929                     exit(1);
2930                 }
2931                 break;
2932             }
2933             case QEMU_OPTION_mempath:
2934                 mem_path = optarg;
2935                 break;
2936 #ifdef MAP_POPULATE
2937             case QEMU_OPTION_mem_prealloc:
2938                 mem_prealloc = 1;
2939                 break;
2940 #endif
2941             case QEMU_OPTION_d:
2942                 log_mask = optarg;
2943                 break;
2944             case QEMU_OPTION_D:
2945                 log_file = optarg;
2946                 break;
2947             case QEMU_OPTION_s:
2948                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2949                 break;
2950             case QEMU_OPTION_gdb:
2951                 add_device_config(DEV_GDB, optarg);
2952                 break;
2953             case QEMU_OPTION_L:
2954                 data_dir = optarg;
2955                 break;
2956             case QEMU_OPTION_bios:
2957                 bios_name = optarg;
2958                 break;
2959             case QEMU_OPTION_singlestep:
2960                 singlestep = 1;
2961                 break;
2962             case QEMU_OPTION_S:
2963                 autostart = 0;
2964                 break;
2965             case QEMU_OPTION_k:
2966                 keyboard_layout = optarg;
2967                 break;
2968             case QEMU_OPTION_localtime:
2969                 rtc_utc = 0;
2970                 break;
2971             case QEMU_OPTION_vga:
2972                 vga_model = optarg;
2973                 default_vga = 0;
2974                 break;
2975             case QEMU_OPTION_g:
2976                 {
2977                     const char *p;
2978                     int w, h, depth;
2979                     p = optarg;
2980                     w = strtol(p, (char **)&p, 10);
2981                     if (w <= 0) {
2982                     graphic_error:
2983                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2984                         exit(1);
2985                     }
2986                     if (*p != 'x')
2987                         goto graphic_error;
2988                     p++;
2989                     h = strtol(p, (char **)&p, 10);
2990                     if (h <= 0)
2991                         goto graphic_error;
2992                     if (*p == 'x') {
2993                         p++;
2994                         depth = strtol(p, (char **)&p, 10);
2995                         if (depth != 8 && depth != 15 && depth != 16 &&
2996                             depth != 24 && depth != 32)
2997                             goto graphic_error;
2998                     } else if (*p == '\0') {
2999                         depth = graphic_depth;
3000                     } else {
3001                         goto graphic_error;
3002                     }
3003
3004                     graphic_width = w;
3005                     graphic_height = h;
3006                     graphic_depth = depth;
3007                 }
3008                 break;
3009             case QEMU_OPTION_echr:
3010                 {
3011                     char *r;
3012                     term_escape_char = strtol(optarg, &r, 0);
3013                     if (r == optarg)
3014                         printf("Bad argument to echr\n");
3015                     break;
3016                 }
3017             case QEMU_OPTION_monitor:
3018                 monitor_parse(optarg, "readline");
3019                 default_monitor = 0;
3020                 break;
3021             case QEMU_OPTION_qmp:
3022                 monitor_parse(optarg, "control");
3023                 default_monitor = 0;
3024                 break;
3025             case QEMU_OPTION_mon:
3026                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3027                 if (!opts) {
3028                     exit(1);
3029                 }
3030                 default_monitor = 0;
3031                 break;
3032             case QEMU_OPTION_chardev:
3033                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3034                 if (!opts) {
3035                     exit(1);
3036                 }
3037                 break;
3038             case QEMU_OPTION_fsdev:
3039                 olist = qemu_find_opts("fsdev");
3040                 if (!olist) {
3041                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3042                     exit(1);
3043                 }
3044                 opts = qemu_opts_parse(olist, optarg, 1);
3045                 if (!opts) {
3046                     fprintf(stderr, "parse error: %s\n", optarg);
3047                     exit(1);
3048                 }
3049                 break;
3050             case QEMU_OPTION_virtfs: {
3051                 QemuOpts *fsdev;
3052                 QemuOpts *device;
3053                 const char *writeout, *sock_fd, *socket;
3054
3055                 olist = qemu_find_opts("virtfs");
3056                 if (!olist) {
3057                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3058                     exit(1);
3059                 }
3060                 opts = qemu_opts_parse(olist, optarg, 1);
3061                 if (!opts) {
3062                     fprintf(stderr, "parse error: %s\n", optarg);
3063                     exit(1);
3064                 }
3065
3066                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3067                     qemu_opt_get(opts, "mount_tag") == NULL) {
3068                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3069                     exit(1);
3070                 }
3071                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3072                                          qemu_opt_get(opts, "mount_tag"),
3073                                          1, NULL);
3074                 if (!fsdev) {
3075                     fprintf(stderr, "duplicate fsdev id: %s\n",
3076                             qemu_opt_get(opts, "mount_tag"));
3077                     exit(1);
3078                 }
3079
3080                 writeout = qemu_opt_get(opts, "writeout");
3081                 if (writeout) {
3082 #ifdef CONFIG_SYNC_FILE_RANGE
3083                     qemu_opt_set(fsdev, "writeout", writeout);
3084 #else
3085                     fprintf(stderr, "writeout=immediate not supported on "
3086                             "this platform\n");
3087                     exit(1);
3088 #endif
3089                 }
3090                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3091                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3092                 qemu_opt_set(fsdev, "security_model",
3093                              qemu_opt_get(opts, "security_model"));
3094                 socket = qemu_opt_get(opts, "socket");
3095                 if (socket) {
3096                     qemu_opt_set(fsdev, "socket", socket);
3097                 }
3098                 sock_fd = qemu_opt_get(opts, "sock_fd");
3099                 if (sock_fd) {
3100                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
3101                 }
3102
3103                 qemu_opt_set_bool(fsdev, "readonly",
3104                                 qemu_opt_get_bool(opts, "readonly", 0));
3105                 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3106                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3107                 qemu_opt_set(device, "fsdev",
3108                              qemu_opt_get(opts, "mount_tag"));
3109                 qemu_opt_set(device, "mount_tag",
3110                              qemu_opt_get(opts, "mount_tag"));
3111                 break;
3112             }
3113             case QEMU_OPTION_virtfs_synth: {
3114                 QemuOpts *fsdev;
3115                 QemuOpts *device;
3116
3117                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3118                                          1, NULL);
3119                 if (!fsdev) {
3120                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3121                     exit(1);
3122                 }
3123                 qemu_opt_set(fsdev, "fsdriver", "synth");
3124
3125                 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3126                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3127                 qemu_opt_set(device, "fsdev", "v_synth");
3128                 qemu_opt_set(device, "mount_tag", "v_synth");
3129                 break;
3130             }
3131             case QEMU_OPTION_serial:
3132                 add_device_config(DEV_SERIAL, optarg);
3133                 default_serial = 0;
3134                 if (strncmp(optarg, "mon:", 4) == 0) {
3135                     default_monitor = 0;
3136                 }
3137                 break;
3138             case QEMU_OPTION_watchdog:
3139                 if (watchdog) {
3140                     fprintf(stderr,
3141                             "qemu: only one watchdog option may be given\n");
3142                     return 1;
3143                 }
3144                 watchdog = optarg;
3145                 break;
3146             case QEMU_OPTION_watchdog_action:
3147                 if (select_watchdog_action(optarg) == -1) {
3148                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
3149                     exit(1);
3150                 }
3151                 break;
3152             case QEMU_OPTION_virtiocon:
3153                 add_device_config(DEV_VIRTCON, optarg);
3154                 default_virtcon = 0;
3155                 if (strncmp(optarg, "mon:", 4) == 0) {
3156                     default_monitor = 0;
3157                 }
3158                 break;
3159             case QEMU_OPTION_parallel:
3160                 add_device_config(DEV_PARALLEL, optarg);
3161                 default_parallel = 0;
3162                 if (strncmp(optarg, "mon:", 4) == 0) {
3163                     default_monitor = 0;
3164                 }
3165                 break;
3166             case QEMU_OPTION_debugcon:
3167                 add_device_config(DEV_DEBUGCON, optarg);
3168                 break;
3169             case QEMU_OPTION_loadvm:
3170                 loadvm = optarg;
3171                 break;
3172             case QEMU_OPTION_full_screen:
3173                 full_screen = 1;
3174                 break;
3175 #ifdef CONFIG_SDL
3176             case QEMU_OPTION_no_frame:
3177                 no_frame = 1;
3178                 break;
3179             case QEMU_OPTION_alt_grab:
3180                 alt_grab = 1;
3181                 break;
3182             case QEMU_OPTION_ctrl_grab:
3183                 ctrl_grab = 1;
3184                 break;
3185             case QEMU_OPTION_no_quit:
3186                 no_quit = 1;
3187                 break;
3188             case QEMU_OPTION_sdl:
3189                 display_type = DT_SDL;
3190                 break;
3191 #else
3192             case QEMU_OPTION_no_frame:
3193             case QEMU_OPTION_alt_grab:
3194             case QEMU_OPTION_ctrl_grab:
3195             case QEMU_OPTION_no_quit:
3196             case QEMU_OPTION_sdl:
3197                 fprintf(stderr, "SDL support is disabled\n");
3198                 exit(1);
3199 #endif
3200             case QEMU_OPTION_pidfile:
3201                 pid_file = optarg;
3202                 break;
3203             case QEMU_OPTION_win2k_hack:
3204                 win2k_install_hack = 1;
3205                 break;
3206             case QEMU_OPTION_rtc_td_hack: {
3207                 static GlobalProperty slew_lost_ticks[] = {
3208                     {
3209                         .driver   = "mc146818rtc",
3210                         .property = "lost_tick_policy",
3211                         .value    = "slew",
3212                     },
3213                     { /* end of list */ }
3214                 };
3215
3216                 qdev_prop_register_global_list(slew_lost_ticks);
3217                 break;
3218             }
3219             case QEMU_OPTION_acpitable:
3220                 do_acpitable_option(optarg);
3221                 break;
3222             case QEMU_OPTION_smbios:
3223                 do_smbios_option(optarg);
3224                 break;
3225             case QEMU_OPTION_enable_kvm:
3226                 olist = qemu_find_opts("machine");
3227                 qemu_opts_parse(olist, "accel=kvm", 0);
3228                 break;
3229             case QEMU_OPTION_machine:
3230                 olist = qemu_find_opts("machine");
3231                 opts = qemu_opts_parse(olist, optarg, 1);
3232                 if (!opts) {
3233                     fprintf(stderr, "parse error: %s\n", optarg);
3234                     exit(1);
3235                 }
3236                 optarg = qemu_opt_get(opts, "type");
3237                 if (optarg) {
3238                     machine = machine_parse(optarg);
3239                 }
3240                 break;
3241              case QEMU_OPTION_no_kvm:
3242                 olist = qemu_find_opts("machine");
3243                 qemu_opts_parse(olist, "accel=tcg", 0);
3244                 break;
3245             case QEMU_OPTION_no_kvm_pit: {
3246                 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3247                                 "separately.\n");
3248                 break;
3249             }
3250             case QEMU_OPTION_no_kvm_pit_reinjection: {
3251                 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3252                     {
3253                         .driver   = "kvm-pit",
3254                         .property = "lost_tick_policy",
3255                         .value    = "discard",
3256                     },
3257                     { /* end of list */ }
3258                 };
3259
3260                 fprintf(stderr, "Warning: option deprecated, use "
3261                         "lost_tick_policy property of kvm-pit instead.\n");
3262                 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3263                 break;
3264             }
3265             case QEMU_OPTION_usb:
3266                 olist = qemu_find_opts("machine");
3267                 qemu_opts_parse(olist, "usb=on", 0);
3268                 break;
3269             case QEMU_OPTION_usbdevice:
3270                 olist = qemu_find_opts("machine");
3271                 qemu_opts_parse(olist, "usb=on", 0);
3272                 add_device_config(DEV_USB, optarg);
3273                 break;
3274             case QEMU_OPTION_device:
3275                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3276                     exit(1);
3277                 }
3278                 break;
3279             case QEMU_OPTION_smp:
3280                 smp_parse(optarg);
3281                 if (smp_cpus < 1) {
3282                     fprintf(stderr, "Invalid number of CPUs\n");
3283                     exit(1);
3284                 }
3285                 if (max_cpus < smp_cpus) {
3286                     fprintf(stderr, "maxcpus must be equal to or greater than "
3287                             "smp\n");
3288                     exit(1);
3289                 }
3290                 if (max_cpus > 255) {
3291                     fprintf(stderr, "Unsupported number of maxcpus\n");
3292                     exit(1);
3293                 }
3294                 break;
3295             case QEMU_OPTION_vnc:
3296 #ifdef CONFIG_VNC
3297                 display_remote++;
3298                 vnc_display = optarg;
3299 #else
3300                 fprintf(stderr, "VNC support is disabled\n");
3301                 exit(1);
3302 #endif
3303                 break;
3304             case QEMU_OPTION_no_acpi:
3305                 acpi_enabled = 0;
3306                 break;
3307             case QEMU_OPTION_no_hpet:
3308                 no_hpet = 1;
3309                 break;
3310             case QEMU_OPTION_balloon:
3311                 if (balloon_parse(optarg) < 0) {
3312                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3313                     exit(1);
3314                 }
3315                 break;
3316             case QEMU_OPTION_no_reboot:
3317                 no_reboot = 1;
3318                 break;
3319             case QEMU_OPTION_no_shutdown:
3320                 no_shutdown = 1;
3321                 break;
3322             case QEMU_OPTION_show_cursor:
3323                 cursor_hide = 0;
3324                 break;
3325             case QEMU_OPTION_uuid:
3326                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3327                     fprintf(stderr, "Fail to parse UUID string."
3328                             " Wrong format.\n");
3329                     exit(1);
3330                 }
3331                 break;
3332             case QEMU_OPTION_option_rom:
3333                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3334                     fprintf(stderr, "Too many option ROMs\n");
3335                     exit(1);
3336                 }
3337                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3338                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3339                 option_rom[nb_option_roms].bootindex =
3340                     qemu_opt_get_number(opts, "bootindex", -1);
3341                 if (!option_rom[nb_option_roms].name) {
3342                     fprintf(stderr, "Option ROM file is not specified\n");
3343                     exit(1);
3344                 }
3345                 nb_option_roms++;
3346                 break;
3347             case QEMU_OPTION_semihosting:
3348                 semihosting_enabled = 1;
3349                 break;
3350             case QEMU_OPTION_tdf:
3351                 fprintf(stderr, "Warning: user space PIT time drift fix "
3352                                 "is no longer supported.\n");
3353                 break;
3354             case QEMU_OPTION_name:
3355                 qemu_name = g_strdup(optarg);
3356                  {
3357                      char *p = strchr(qemu_name, ',');
3358                      if (p != NULL) {
3359                         *p++ = 0;
3360                         if (strncmp(p, "process=", 8)) {
3361                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3362                             exit(1);
3363                         }
3364                         p += 8;
3365                         os_set_proc_name(p);
3366                      }
3367                  }
3368                 break;
3369             case QEMU_OPTION_prom_env:
3370                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3371                     fprintf(stderr, "Too many prom variables\n");
3372                     exit(1);
3373                 }
3374                 prom_envs[nb_prom_envs] = optarg;
3375                 nb_prom_envs++;
3376                 break;
3377             case QEMU_OPTION_old_param:
3378                 old_param = 1;
3379                 break;
3380             case QEMU_OPTION_clock:
3381                 configure_alarms(optarg);
3382                 break;
3383             case QEMU_OPTION_startdate:
3384                 configure_rtc_date_offset(optarg, 1);
3385                 break;
3386             case QEMU_OPTION_rtc:
3387                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3388                 if (!opts) {
3389                     exit(1);
3390                 }
3391                 configure_rtc(opts);
3392                 break;
3393             case QEMU_OPTION_tb_size:
3394                 tcg_tb_size = strtol(optarg, NULL, 0);
3395                 if (tcg_tb_size < 0) {
3396                     tcg_tb_size = 0;
3397                 }
3398                 break;
3399             case QEMU_OPTION_icount:
3400                 icount_option = optarg;
3401                 break;
3402             case QEMU_OPTION_incoming:
3403                 incoming = optarg;
3404                 runstate_set(RUN_STATE_INMIGRATE);
3405                 break;
3406             case QEMU_OPTION_nodefaults:
3407                 default_serial = 0;
3408                 default_parallel = 0;
3409                 default_virtcon = 0;
3410                 default_monitor = 0;
3411                 default_net = 0;
3412                 default_floppy = 0;
3413                 default_cdrom = 0;
3414                 default_sdcard = 0;
3415                 default_vga = 0;
3416                 break;
3417             case QEMU_OPTION_xen_domid:
3418                 if (!(xen_available())) {
3419                     printf("Option %s not supported for this target\n", popt->name);
3420                     exit(1);
3421                 }
3422                 xen_domid = atoi(optarg);
3423                 break;
3424             case QEMU_OPTION_xen_create:
3425                 if (!(xen_available())) {
3426                     printf("Option %s not supported for this target\n", popt->name);
3427                     exit(1);
3428                 }
3429                 xen_mode = XEN_CREATE;
3430                 break;
3431             case QEMU_OPTION_xen_attach:
3432                 if (!(xen_available())) {
3433                     printf("Option %s not supported for this target\n", popt->name);
3434                     exit(1);
3435                 }
3436                 xen_mode = XEN_ATTACH;
3437                 break;
3438             case QEMU_OPTION_trace:
3439             {
3440                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3441                 if (!opts) {
3442                     exit(1);
3443                 }
3444                 trace_events = qemu_opt_get(opts, "events");
3445                 trace_file = qemu_opt_get(opts, "file");
3446                 break;
3447             }
3448             case QEMU_OPTION_readconfig:
3449                 {
3450                     int ret = qemu_read_config_file(optarg);
3451                     if (ret < 0) {
3452                         fprintf(stderr, "read config %s: %s\n", optarg,
3453                             strerror(-ret));
3454                         exit(1);
3455                     }
3456                     break;
3457                 }
3458             case QEMU_OPTION_spice:
3459                 olist = qemu_find_opts("spice");
3460                 if (!olist) {
3461                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3462                     exit(1);
3463                 }
3464                 opts = qemu_opts_parse(olist, optarg, 0);
3465                 if (!opts) {
3466                     fprintf(stderr, "parse error: %s\n", optarg);
3467                     exit(1);
3468                 }
3469                 break;
3470             case QEMU_OPTION_writeconfig:
3471                 {
3472                     FILE *fp;
3473                     if (strcmp(optarg, "-") == 0) {
3474                         fp = stdout;
3475                     } else {
3476                         fp = fopen(optarg, "w");
3477                         if (fp == NULL) {
3478                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3479                             exit(1);
3480                         }
3481                     }
3482                     qemu_config_write(fp);
3483                     fclose(fp);
3484                     break;
3485                 }
3486             case QEMU_OPTION_qtest:
3487                 qtest_chrdev = optarg;
3488                 break;
3489             case QEMU_OPTION_qtest_log:
3490                 qtest_log = optarg;
3491                 break;
3492             case QEMU_OPTION_sandbox:
3493                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3494                 if (!opts) {
3495                     exit(0);
3496                 }
3497                 break;
3498             case QEMU_OPTION_add_fd:
3499 #ifndef _WIN32
3500                 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3501                 if (!opts) {
3502                     exit(0);
3503                 }
3504 #else
3505                 error_report("File descriptor passing is disabled on this "
3506                              "platform");
3507                 exit(1);
3508 #endif
3509                 break;
3510             case QEMU_OPTION_object:
3511                 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3512                 break;
3513             default:
3514                 os_parse_cmd_args(popt->index, optarg);
3515             }
3516         }
3517     }
3518     loc_set_none();
3519
3520     if (qemu_init_main_loop()) {
3521         fprintf(stderr, "qemu_init_main_loop failed\n");
3522         exit(1);
3523     }
3524
3525     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3526         exit(1);
3527     }
3528
3529 #ifndef _WIN32
3530     if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3531         exit(1);
3532     }
3533
3534     if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3535         exit(1);
3536     }
3537 #endif
3538
3539     if (machine == NULL) {
3540         fprintf(stderr, "No machine found.\n");
3541         exit(1);
3542     }
3543
3544     if (machine->hw_version) {
3545         qemu_set_version(machine->hw_version);
3546     }
3547
3548     if (qemu_opts_foreach(qemu_find_opts("object"),
3549                           object_create, NULL, 0) != 0) {
3550         exit(1);
3551     }
3552
3553     /* Init CPU def lists, based on config
3554      * - Must be called after all the qemu_read_config_file() calls
3555      * - Must be called before list_cpus()
3556      * - Must be called before machine->init()
3557      */
3558     cpudef_init();
3559
3560     if (cpu_model && is_help_option(cpu_model)) {
3561         list_cpus(stdout, &fprintf, cpu_model);
3562         exit(0);
3563     }
3564
3565     /* Open the logfile at this point, if necessary. We can't open the logfile
3566      * when encountering either of the logging options (-d or -D) because the
3567      * other one may be encountered later on the command line, changing the
3568      * location or level of logging.
3569      */
3570     if (log_mask) {
3571         if (log_file) {
3572             set_cpu_log_filename(log_file);
3573         }
3574         set_cpu_log(log_mask);
3575     }
3576
3577     if (!trace_backend_init(trace_events, trace_file)) {
3578         exit(1);
3579     }
3580
3581     /* If no data_dir is specified then try to find it relative to the
3582        executable path.  */
3583     if (!data_dir) {
3584         data_dir = os_find_datadir(argv[0]);
3585     }
3586     /* If all else fails use the install path specified when building. */
3587     if (!data_dir) {
3588         data_dir = CONFIG_QEMU_DATADIR;
3589     }
3590
3591     /*
3592      * Default to max_cpus = smp_cpus, in case the user doesn't
3593      * specify a max_cpus value.
3594      */
3595     if (!max_cpus)
3596         max_cpus = smp_cpus;
3597
3598     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3599     if (smp_cpus > machine->max_cpus) {
3600         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3601                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3602                 machine->max_cpus);
3603         exit(1);
3604     }
3605
3606     /*
3607      * Get the default machine options from the machine if it is not already
3608      * specified either by the configuration file or by the command line.
3609      */
3610     if (machine->default_machine_opts) {
3611         qemu_opts_set_defaults(qemu_find_opts("machine"),
3612                                machine->default_machine_opts, 0);
3613     }
3614
3615     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3616     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3617
3618     if (machine->no_serial) {
3619         default_serial = 0;
3620     }
3621     if (machine->no_parallel) {
3622         default_parallel = 0;
3623     }
3624     if (!machine->use_virtcon) {
3625         default_virtcon = 0;
3626     }
3627     if (machine->no_floppy) {
3628         default_floppy = 0;
3629     }
3630     if (machine->no_cdrom) {
3631         default_cdrom = 0;
3632     }
3633     if (machine->no_sdcard) {
3634         default_sdcard = 0;
3635     }
3636
3637     if (is_daemonized()) {
3638         /* According to documentation and historically, -nographic redirects
3639          * serial port, parallel port and monitor to stdio, which does not work
3640          * with -daemonize.  We can redirect these to null instead, but since
3641          * -nographic is legacy, let's just error out.
3642          * We disallow -nographic only if all other ports are not redirected
3643          * explicitly, to not break existing legacy setups which uses
3644          * -nographic _and_ redirects all ports explicitly - this is valid
3645          * usage, -nographic is just a no-op in this case.
3646          */
3647         if (display_type == DT_NOGRAPHIC
3648             && (default_parallel || default_serial
3649                 || default_monitor || default_virtcon)) {
3650             fprintf(stderr, "-nographic can not be used with -daemonize\n");
3651             exit(1);
3652         }
3653 #ifdef CONFIG_CURSES
3654         if (display_type == DT_CURSES) {
3655             fprintf(stderr, "curses display can not be used with -daemonize\n");
3656             exit(1);
3657         }
3658 #endif
3659     }
3660
3661     if (display_type == DT_NOGRAPHIC) {
3662         if (default_parallel)
3663             add_device_config(DEV_PARALLEL, "null");
3664         if (default_serial && default_monitor) {
3665             add_device_config(DEV_SERIAL, "mon:stdio");
3666         } else if (default_virtcon && default_monitor) {
3667             add_device_config(DEV_VIRTCON, "mon:stdio");
3668         } else {
3669             if (default_serial)
3670                 add_device_config(DEV_SERIAL, "stdio");
3671             if (default_virtcon)
3672                 add_device_config(DEV_VIRTCON, "stdio");
3673             if (default_monitor)
3674                 monitor_parse("stdio", "readline");
3675         }
3676     } else {
3677         if (default_serial)
3678             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3679         if (default_parallel)
3680             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3681         if (default_monitor)
3682             monitor_parse("vc:80Cx24C", "readline");
3683         if (default_virtcon)
3684             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3685     }
3686
3687     socket_init();
3688
3689     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3690         exit(1);
3691 #ifdef CONFIG_VIRTFS
3692     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3693         exit(1);
3694     }
3695 #endif
3696
3697     os_daemonize();
3698
3699     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3700         os_pidfile_error();
3701         exit(1);
3702     }
3703
3704     /* init the memory */
3705     if (ram_size == 0) {
3706         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3707     }
3708
3709     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3710         != 0) {
3711         exit(0);
3712     }
3713
3714     configure_accelerator();
3715
3716     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3717     if (machine_opts) {
3718         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3719         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3720         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3721     } else {
3722         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3723     }
3724
3725     if (!kernel_cmdline) {
3726         kernel_cmdline = "";
3727     }
3728
3729     linux_boot = (kernel_filename != NULL);
3730
3731     if (!linux_boot && *kernel_cmdline != '\0') {
3732         fprintf(stderr, "-append only allowed with -kernel option\n");
3733         exit(1);
3734     }
3735
3736     if (!linux_boot && initrd_filename != NULL) {
3737         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3738         exit(1);
3739     }
3740
3741     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3742         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3743         exit(1);
3744     }
3745
3746     os_set_line_buffering();
3747
3748     qemu_init_cpu_loop();
3749     qemu_mutex_lock_iothread();
3750
3751 #ifdef CONFIG_SPICE
3752     /* spice needs the timers to be initialized by this point */
3753     qemu_spice_init();
3754 #endif
3755
3756     if (icount_option && (kvm_enabled() || xen_enabled())) {
3757         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3758         exit(1);
3759     }
3760     configure_icount(icount_option);
3761
3762     /* clean up network at qemu process termination */
3763     atexit(&net_cleanup);
3764
3765     if (net_init_clients() < 0) {
3766         exit(1);
3767     }
3768
3769     /* init the bluetooth world */
3770     if (foreach_device_config(DEV_BT, bt_parse))
3771         exit(1);
3772
3773     if (!xen_enabled()) {
3774         /* On 32-bit hosts, QEMU is limited by virtual address space */
3775         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3776             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3777             exit(1);
3778         }
3779     }
3780
3781     cpu_exec_init_all();
3782
3783     bdrv_init_with_whitelist();
3784
3785     blk_mig_init();
3786
3787     /* open the virtual block devices */
3788     if (snapshot)
3789         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3790     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
3791                           &machine->block_default_type, 1) != 0) {
3792         exit(1);
3793     }
3794
3795     default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
3796                   CDROM_OPTS);
3797     default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
3798     default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
3799
3800     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3801
3802     if (nb_numa_nodes > 0) {
3803         int i;
3804
3805         if (nb_numa_nodes > MAX_NODES) {
3806             nb_numa_nodes = MAX_NODES;
3807         }
3808
3809         /* If no memory size if given for any node, assume the default case
3810          * and distribute the available memory equally across all nodes
3811          */
3812         for (i = 0; i < nb_numa_nodes; i++) {
3813             if (node_mem[i] != 0)
3814                 break;
3815         }
3816         if (i == nb_numa_nodes) {
3817             uint64_t usedmem = 0;
3818
3819             /* On Linux, the each node's border has to be 8MB aligned,
3820              * the final node gets the rest.
3821              */
3822             for (i = 0; i < nb_numa_nodes - 1; i++) {
3823                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3824                 usedmem += node_mem[i];
3825             }
3826             node_mem[i] = ram_size - usedmem;
3827         }
3828
3829         for (i = 0; i < nb_numa_nodes; i++) {
3830             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3831                 break;
3832             }
3833         }
3834         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3835          * must cope with this anyway, because there are BIOSes out there in
3836          * real machines which also use this scheme.
3837          */
3838         if (i == nb_numa_nodes) {
3839             for (i = 0; i < max_cpus; i++) {
3840                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3841             }
3842         }
3843     }
3844
3845     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3846         exit(1);
3847     }
3848
3849     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3850         exit(1);
3851     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3852         exit(1);
3853     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3854         exit(1);
3855     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3856         exit(1);
3857
3858     /* If no default VGA is requested, the default is "none".  */
3859     if (default_vga) {
3860         if (cirrus_vga_available()) {
3861             vga_model = "cirrus";
3862         } else if (vga_available()) {
3863             vga_model = "std";
3864         }
3865     }
3866     select_vgahw(vga_model);
3867
3868     if (watchdog) {
3869         i = select_watchdog(watchdog);
3870         if (i > 0)
3871             exit (i == 1 ? 1 : 0);
3872     }
3873
3874     if (machine->compat_props) {
3875         qdev_prop_register_global_list(machine->compat_props);
3876     }
3877     qemu_add_globals();
3878
3879     qdev_machine_init();
3880
3881     QEMUMachineInitArgs args = { .ram_size = ram_size,
3882                                  .boot_device = boot_devices,
3883                                  .kernel_filename = kernel_filename,
3884                                  .kernel_cmdline = kernel_cmdline,
3885                                  .initrd_filename = initrd_filename,
3886                                  .cpu_model = cpu_model };
3887     machine->init(&args);
3888
3889     cpu_synchronize_all_post_init();
3890
3891     set_numa_modes();
3892
3893     current_machine = machine;
3894
3895     /* init USB devices */
3896     if (usb_enabled(false)) {
3897         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3898             exit(1);
3899     }
3900
3901     /* init generic devices */
3902     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3903         exit(1);
3904
3905     net_check_clients();
3906
3907     /* just use the first displaystate for the moment */
3908     ds = get_displaystate();
3909
3910     if (using_spice)
3911         display_remote++;
3912     if (display_type == DT_DEFAULT && !display_remote) {
3913 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3914         display_type = DT_SDL;
3915 #elif defined(CONFIG_VNC)
3916         vnc_display = "localhost:0,to=99";
3917         show_vnc_port = 1;
3918 #else
3919         display_type = DT_NONE;
3920 #endif
3921     }
3922
3923
3924     /* init local displays */
3925     switch (display_type) {
3926     case DT_NOGRAPHIC:
3927         break;
3928 #if defined(CONFIG_CURSES)
3929     case DT_CURSES:
3930         curses_display_init(ds, full_screen);
3931         break;
3932 #endif
3933 #if defined(CONFIG_SDL)
3934     case DT_SDL:
3935         sdl_display_init(ds, full_screen, no_frame);
3936         break;
3937 #elif defined(CONFIG_COCOA)
3938     case DT_SDL:
3939         cocoa_display_init(ds, full_screen);
3940         break;
3941 #endif
3942     default:
3943         break;
3944     }
3945
3946     /* must be after terminal init, SDL library changes signal handlers */
3947     os_setup_signal_handling();
3948
3949 #ifdef CONFIG_VNC
3950     /* init remote displays */
3951     if (vnc_display) {
3952         Error *local_err = NULL;
3953         vnc_display_init(ds);
3954         vnc_display_open(ds, vnc_display, &local_err);
3955         if (local_err != NULL) {
3956             fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3957                     vnc_display, error_get_pretty(local_err));
3958             error_free(local_err);
3959             exit(1);
3960         }
3961
3962         if (show_vnc_port) {
3963             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3964         }
3965     }
3966 #endif
3967 #ifdef CONFIG_SPICE
3968     if (using_spice && !qxl_enabled) {
3969         qemu_spice_display_init(ds);
3970     }
3971 #endif
3972
3973     /* display setup */
3974     text_consoles_set_display(ds);
3975
3976     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3977         exit(1);
3978     }
3979
3980     qdev_machine_creation_done();
3981
3982     if (rom_load_all() != 0) {
3983         fprintf(stderr, "rom loading failed\n");
3984         exit(1);
3985     }
3986
3987     /* TODO: once all bus devices are qdevified, this should be done
3988      * when bus is created by qdev.c */
3989     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3990     qemu_run_machine_init_done_notifiers();
3991
3992     qemu_system_reset(VMRESET_SILENT);
3993     if (loadvm) {
3994         if (load_vmstate(loadvm) < 0) {
3995             autostart = 0;
3996         }
3997     }
3998
3999     if (incoming) {
4000         Error *local_err = NULL;
4001         qemu_start_incoming_migration(incoming, &local_err);
4002         if (local_err) {
4003             fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4004             error_free(local_err);
4005             exit(1);
4006         }
4007     } else if (autostart) {
4008         vm_start();
4009     }
4010
4011     os_setup_post();
4012
4013     resume_all_vcpus();
4014     main_loop();
4015     bdrv_close_all();
4016     pause_all_vcpus();
4017     res_free();
4018
4019     return 0;
4020 }