vl.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <time.h>
  28 #include <errno.h>
  29 #include <sys/time.h>
  30 #include <zlib.h>
  31 #include "bitmap.h"
  32
  33 /* Needed early for CONFIG_BSD etc. */
  34 #include "config-host.h"
  35
  36 #ifndef _WIN32
  37 #include <libgen.h>
  38 #include <sys/times.h>
  39 #include <sys/wait.h>
  40 #include <termios.h>
  41 #include <sys/mman.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/resource.h>
  44 #include <sys/socket.h>
  45 #include <netinet/in.h>
  46 #include <net/if.h>
  47 #include <arpa/inet.h>
  48 #include <dirent.h>
  49 #include <netdb.h>
  50 #include <sys/select.h>
  51
  52 #ifdef CONFIG_BSD
  53 #include <sys/stat.h>
  54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
  55 #include <sys/sysctl.h>
  56 #else
  57 #include <util.h>
  58 #endif
  59 #else
  60 #ifdef __linux__
  61 #include <malloc.h>
  62
  63 #include <linux/ppdev.h>
  64 #include <linux/parport.h>
  65 #endif
  66
  67 #ifdef CONFIG_SECCOMP
  68 #include "qemu-seccomp.h"
  69 #endif
  70
  71 #ifdef __sun__
  72 #include <sys/stat.h>
  73 #include <sys/ethernet.h>
  74 #include <sys/sockio.h>
  75 #include <netinet/arp.h>
  76 #include <netinet/in_systm.h>
  77 #include <netinet/ip.h>
  78 #include <netinet/ip_icmp.h> // must come after ip.h
  79 #include <netinet/udp.h>
  80 #include <netinet/tcp.h>
  81 #include <net/if.h>
  82 #include <syslog.h>
  83 #include <stropts.h>
  84 #endif
  85 #endif
  86 #endif
  87
  88 #if defined(CONFIG_VDE)
  89 #include <libvdeplug.h>
  90 #endif
  91
  92 #ifdef _WIN32
  93 #include <windows.h>
  94 #endif
  95
  96 #ifdef CONFIG_SDL
  97 #if defined(__APPLE__) || defined(main)
  98 #include <SDL.h>
  99 int qemu_main(int argc, char **argv, char **envp);
 100 int main(int argc, char **argv)
 101 {
 102     return qemu_main(argc, argv, NULL);
 103 }
 104 #undef main
 105 #define main qemu_main
 106 #endif
 107 #endif /* CONFIG_SDL */
 108
 109 #ifdef CONFIG_COCOA
 110 #undef main
 111 #define main qemu_main
 112 #endif /* CONFIG_COCOA */
 113
 114 #include <glib.h>
 115
 116 #include "hw/hw.h"
 117 #include "hw/boards.h"
 118 #include "hw/usb.h"
 119 #include "hw/pcmcia.h"
 120 #include "hw/pc.h"
 121 #include "hw/isa.h"
 122 #include "hw/baum.h"
 123 #include "hw/bt.h"
 124 #include "hw/watchdog.h"
 125 #include "hw/smbios.h"
 126 #include "hw/xen.h"
 127 #include "hw/qdev.h"
 128 #include "hw/loader.h"
 129 #include "bt-host.h"
 130 #include "net.h"
 131 #include "net/slirp.h"
 132 #include "monitor.h"
 133 #include "console.h"
 134 #include "sysemu.h"
 135 #include "gdbstub.h"
 136 #include "qemu-timer.h"
 137 #include "qemu-char.h"
 138 #include "cache-utils.h"
 139 #include "blockdev.h"
 140 #include "hw/block-common.h"
 141 #include "block-migration.h"
 142 #include "dma.h"
 143 #include "audio/audio.h"
 144 #include "migration.h"
 145 #include "kvm.h"
 146 #include "qjson.h"
 147 #include "qemu-option.h"
 148 #include "qemu-config.h"
 149 #include "qemu-options.h"
 150 #include "qmp-commands.h"
 151 #include "main-loop.h"
 152 #ifdef CONFIG_VIRTFS
 153 #include "fsdev/qemu-fsdev.h"
 154 #endif
 155 #include "qtest.h"
 156
 157 #include "disas.h"
 158
 159 #include "qemu_socket.h"
 160
 161 #include "slirp/libslirp.h"
 162
 163 #include "trace.h"
 164 #include "trace/control.h"
 165 #include "qemu-queue.h"
 166 #include "cpus.h"
 167 #include "arch_init.h"
 168 #include "osdep.h"
 169
 170 #include "ui/qemu-spice.h"
 171
 172 //#define DEBUG_NET
 173 //#define DEBUG_SLIRP
 174
 175 #define DEFAULT_RAM_SIZE 128
 176
 177 #define MAX_VIRTIO_CONSOLES 1
 178
 179 static const char *data_dir;
 180 const char *bios_name = NULL;
 181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 182 DisplayType display_type = DT_DEFAULT;
 183 static int display_remote;
 184 const char* keyboard_layout = NULL;
 185 ram_addr_t ram_size;
 186 const char *mem_path = NULL;
 187 #ifdef MAP_POPULATE
 188 int mem_prealloc = 0; /* force preallocation of physical target memory */
 189 #endif
 190 int nb_nics;
 191 NICInfo nd_table[MAX_NICS];
 192 int autostart;
 193 static int rtc_utc = 1;
 194 static int rtc_date_offset = -1; /* -1 means no change */
 195 QEMUClock *rtc_clock;
 196 int vga_interface_type = VGA_NONE;
 197 static int full_screen = 0;
 198 #ifdef CONFIG_SDL
 199 static int no_frame = 0;
 200 #endif
 201 int no_quit = 0;
 202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 205 int win2k_install_hack = 0;
 206 int singlestep = 0;
 207 int smp_cpus = 1;
 208 int max_cpus = 0;
 209 int smp_cores = 1;
 210 int smp_threads = 1;
 211 #ifdef CONFIG_VNC
 212 const char *vnc_display;
 213 #endif
 214 int acpi_enabled = 1;
 215 int no_hpet = 0;
 216 int fd_bootchk = 1;
 217 static int no_reboot;
 218 int no_shutdown = 0;
 219 int cursor_hide = 1;
 220 int graphic_rotate = 0;
 221 const char *watchdog;
 222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 223 int nb_option_roms;
 224 int semihosting_enabled = 0;
 225 int old_param = 0;
 226 const char *qemu_name;
 227 int alt_grab = 0;
 228 int ctrl_grab = 0;
 229 unsigned int nb_prom_envs = 0;
 230 const char *prom_envs[MAX_PROM_ENVS];
 231 int boot_menu;
 232 uint8_t *boot_splash_filedata;
 233 int boot_splash_filedata_size;
 234 uint8_t qemu_extra_params_fw[2];
 235
 236 typedef struct FWBootEntry FWBootEntry;
 237
 238 struct FWBootEntry {
 239     QTAILQ_ENTRY(FWBootEntry) link;
 240     int32_t bootindex;
 241     DeviceState *dev;
 242     char *suffix;
 243 };
 244
 245 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
 246     QTAILQ_HEAD_INITIALIZER(fw_boot_order);
 247
 248 int nb_numa_nodes;
 249 uint64_t node_mem[MAX_NODES];
 250 unsigned long *node_cpumask[MAX_NODES];
 251
 252 uint8_t qemu_uuid[16];
 253
 254 static QEMUBootSetHandler *boot_set_handler;
 255 static void *boot_set_opaque;
 256
 257 static NotifierList exit_notifiers =
 258     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 259
 260 static NotifierList machine_init_done_notifiers =
 261     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
 262
 263 static int tcg_allowed = 1;
 264 int kvm_allowed = 0;
 265 int xen_allowed = 0;
 266 uint32_t xen_domid;
 267 enum xen_mode xen_mode = XEN_EMULATE;
 268 static int tcg_tb_size;
 269
 270 static int default_serial = 1;
 271 static int default_parallel = 1;
 272 static int default_virtcon = 1;
 273 static int default_monitor = 1;
 274 static int default_floppy = 1;
 275 static int default_cdrom = 1;
 276 static int default_sdcard = 1;
 277 static int default_vga = 1;
 278
 279 static struct {
 280     const char *driver;
 281     int *flag;
 282 } default_list[] = {
 283     { .driver = "isa-serial",           .flag = &default_serial    },
 284     { .driver = "isa-parallel",         .flag = &default_parallel  },
 285     { .driver = "isa-fdc",              .flag = &default_floppy    },
 286     { .driver = "ide-cd",               .flag = &default_cdrom     },
 287     { .driver = "ide-hd",               .flag = &default_cdrom     },
 288     { .driver = "ide-drive",            .flag = &default_cdrom     },
 289     { .driver = "scsi-cd",              .flag = &default_cdrom     },
 290     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
 291     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
 292     { .driver = "virtio-serial",        .flag = &default_virtcon   },
 293     { .driver = "VGA",                  .flag = &default_vga       },
 294     { .driver = "isa-vga",              .flag = &default_vga       },
 295     { .driver = "cirrus-vga",           .flag = &default_vga       },
 296     { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
 297     { .driver = "vmware-svga",          .flag = &default_vga       },
 298     { .driver = "qxl-vga",              .flag = &default_vga       },
 299 };
 300
 301 const char *qemu_get_vm_name(void)
 302 {
 303     return qemu_name;
 304 }
 305
 306 static void res_free(void)
 307 {
 308     if (boot_splash_filedata != NULL) {
 309         g_free(boot_splash_filedata);
 310         boot_splash_filedata = NULL;
 311     }
 312 }
 313
 314 static int default_driver_check(QemuOpts *opts, void *opaque)
 315 {
 316     const char *driver = qemu_opt_get(opts, "driver");
 317     int i;
 318
 319     if (!driver)
 320         return 0;
 321     for (i = 0; i < ARRAY_SIZE(default_list); i++) {
 322         if (strcmp(default_list[i].driver, driver) != 0)
 323             continue;
 324         *(default_list[i].flag) = 0;
 325     }
 326     return 0;
 327 }
 328
 329 /***********************************************************/
 330 /* QEMU state */
 331
 332 static RunState current_run_state = RUN_STATE_PRELAUNCH;
 333
 334 typedef struct {
 335     RunState from;
 336     RunState to;
 337 } RunStateTransition;
 338
 339 static const RunStateTransition runstate_transitions_def[] = {
 340     /*     from      ->     to      */
 341     { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
 342
 343     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
 344     { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
 345
 346     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
 347     { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
 348
 349     { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
 350     { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
 351
 352     { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
 353     { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
 354
 355     { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
 356     { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
 357
 358     { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
 359     { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
 360     { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
 361
 362     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
 363     { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
 364
 365     { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
 366
 367     { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
 368     { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
 369     { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
 370     { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
 371     { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
 372     { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
 373     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
 374     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
 375     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
 376
 377     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 378
 379     { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
 380     { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
 381
 382     { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
 383     { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
 384     { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
 385     { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
 386
 387     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
 388     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 389
 390     { RUN_STATE_MAX, RUN_STATE_MAX },
 391 };
 392
 393 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
 394
 395 bool runstate_check(RunState state)
 396 {
 397     return current_run_state == state;
 398 }
 399
 400 static void runstate_init(void)
 401 {
 402     const RunStateTransition *p;
 403
 404     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
 405
 406     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
 407         runstate_valid_transitions[p->from][p->to] = true;
 408     }
 409 }
 410
 411 /* This function will abort() on invalid state transitions */
 412 void runstate_set(RunState new_state)
 413 {
 414     assert(new_state < RUN_STATE_MAX);
 415
 416     if (!runstate_valid_transitions[current_run_state][new_state]) {
 417         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
 418                 RunState_lookup[current_run_state],
 419                 RunState_lookup[new_state]);
 420         abort();
 421     }
 422
 423     current_run_state = new_state;
 424 }
 425
 426 int runstate_is_running(void)
 427 {
 428     return runstate_check(RUN_STATE_RUNNING);
 429 }
 430
 431 StatusInfo *qmp_query_status(Error **errp)
 432 {
 433     StatusInfo *info = g_malloc0(sizeof(*info));
 434
 435     info->running = runstate_is_running();
 436     info->singlestep = singlestep;
 437     info->status = current_run_state;
 438
 439     return info;
 440 }
 441
 442 /***********************************************************/
 443 /* real time host monotonic timer */
 444
 445 /***********************************************************/
 446 /* host time/date access */
 447 void qemu_get_timedate(struct tm *tm, int offset)
 448 {
 449     time_t ti;
 450     struct tm *ret;
 451
 452     time(&ti);
 453     ti += offset;
 454     if (rtc_date_offset == -1) {
 455         if (rtc_utc)
 456             ret = gmtime(&ti);
 457         else
 458             ret = localtime(&ti);
 459     } else {
 460         ti -= rtc_date_offset;
 461         ret = gmtime(&ti);
 462     }
 463
 464     memcpy(tm, ret, sizeof(struct tm));
 465 }
 466
 467 int qemu_timedate_diff(struct tm *tm)
 468 {
 469     time_t seconds;
 470
 471     if (rtc_date_offset == -1)
 472         if (rtc_utc)
 473             seconds = mktimegm(tm);
 474         else {
 475             struct tm tmp = *tm;
 476             tmp.tm_isdst = -1; /* use timezone to figure it out */
 477             seconds = mktime(&tmp);
 478         }
 479     else
 480         seconds = mktimegm(tm) + rtc_date_offset;
 481
 482     return seconds - time(NULL);
 483 }
 484
 485 void rtc_change_mon_event(struct tm *tm)
 486 {
 487     QObject *data;
 488
 489     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
 490     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
 491     qobject_decref(data);
 492 }
 493
 494 static void configure_rtc_date_offset(const char *startdate, int legacy)
 495 {
 496     time_t rtc_start_date;
 497     struct tm tm;
 498
 499     if (!strcmp(startdate, "now") && legacy) {
 500         rtc_date_offset = -1;
 501     } else {
 502         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
 503                    &tm.tm_year,
 504                    &tm.tm_mon,
 505                    &tm.tm_mday,
 506                    &tm.tm_hour,
 507                    &tm.tm_min,
 508                    &tm.tm_sec) == 6) {
 509             /* OK */
 510         } else if (sscanf(startdate, "%d-%d-%d",
 511                           &tm.tm_year,
 512                           &tm.tm_mon,
 513                           &tm.tm_mday) == 3) {
 514             tm.tm_hour = 0;
 515             tm.tm_min = 0;
 516             tm.tm_sec = 0;
 517         } else {
 518             goto date_fail;
 519         }
 520         tm.tm_year -= 1900;
 521         tm.tm_mon--;
 522         rtc_start_date = mktimegm(&tm);
 523         if (rtc_start_date == -1) {
 524         date_fail:
 525             fprintf(stderr, "Invalid date format. Valid formats are:\n"
 526                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
 527             exit(1);
 528         }
 529         rtc_date_offset = time(NULL) - rtc_start_date;
 530     }
 531 }
 532
 533 static void configure_rtc(QemuOpts *opts)
 534 {
 535     const char *value;
 536
 537     value = qemu_opt_get(opts, "base");
 538     if (value) {
 539         if (!strcmp(value, "utc")) {
 540             rtc_utc = 1;
 541         } else if (!strcmp(value, "localtime")) {
 542             rtc_utc = 0;
 543         } else {
 544             configure_rtc_date_offset(value, 0);
 545         }
 546     }
 547     value = qemu_opt_get(opts, "clock");
 548     if (value) {
 549         if (!strcmp(value, "host")) {
 550             rtc_clock = host_clock;
 551         } else if (!strcmp(value, "rt")) {
 552             rtc_clock = rt_clock;
 553         } else if (!strcmp(value, "vm")) {
 554             rtc_clock = vm_clock;
 555         } else {
 556             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 557             exit(1);
 558         }
 559     }
 560     value = qemu_opt_get(opts, "driftfix");
 561     if (value) {
 562         if (!strcmp(value, "slew")) {
 563             static GlobalProperty slew_lost_ticks[] = {
 564                 {
 565                     .driver   = "mc146818rtc",
 566                     .property = "lost_tick_policy",
 567                     .value    = "slew",
 568                 },
 569                 { /* end of list */ }
 570             };
 571
 572             qdev_prop_register_global_list(slew_lost_ticks);
 573         } else if (!strcmp(value, "none")) {
 574             /* discard is default */
 575         } else {
 576             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
 577             exit(1);
 578         }
 579     }
 580 }
 581
 582 /***********************************************************/
 583 /* Bluetooth support */
 584 static int nb_hcis;
 585 static int cur_hci;
 586 static struct HCIInfo *hci_table[MAX_NICS];
 587
 588 static struct bt_vlan_s {
 589     struct bt_scatternet_s net;
 590     int id;
 591     struct bt_vlan_s *next;
 592 } *first_bt_vlan;
 593
 594 /* find or alloc a new bluetooth "VLAN" */
 595 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
 596 {
 597     struct bt_vlan_s **pvlan, *vlan;
 598     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
 599         if (vlan->id == id)
 600             return &vlan->net;
 601     }
 602     vlan = g_malloc0(sizeof(struct bt_vlan_s));
 603     vlan->id = id;
 604     pvlan = &first_bt_vlan;
 605     while (*pvlan != NULL)
 606         pvlan = &(*pvlan)->next;
 607     *pvlan = vlan;
 608     return &vlan->net;
 609 }
 610
 611 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
 612 {
 613 }
 614
 615 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
 616 {
 617     return -ENOTSUP;
 618 }
 619
 620 static struct HCIInfo null_hci = {
 621     .cmd_send = null_hci_send,
 622     .sco_send = null_hci_send,
 623     .acl_send = null_hci_send,
 624     .bdaddr_set = null_hci_addr_set,
 625 };
 626
 627 struct HCIInfo *qemu_next_hci(void)
 628 {
 629     if (cur_hci == nb_hcis)
 630         return &null_hci;
 631
 632     return hci_table[cur_hci++];
 633 }
 634
 635 static struct HCIInfo *hci_init(const char *str)
 636 {
 637     char *endp;
 638     struct bt_scatternet_s *vlan = 0;
 639
 640     if (!strcmp(str, "null"))
 641         /* null */
 642         return &null_hci;
 643     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
 644         /* host[:hciN] */
 645         return bt_host_hci(str[4] ? str + 5 : "hci0");
 646     else if (!strncmp(str, "hci", 3)) {
 647         /* hci[,vlan=n] */
 648         if (str[3]) {
 649             if (!strncmp(str + 3, ",vlan=", 6)) {
 650                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
 651                 if (*endp)
 652                     vlan = 0;
 653             }
 654         } else
 655             vlan = qemu_find_bt_vlan(0);
 656         if (vlan)
 657            return bt_new_hci(vlan);
 658     }
 659
 660     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
 661
 662     return 0;
 663 }
 664
 665 static int bt_hci_parse(const char *str)
 666 {
 667     struct HCIInfo *hci;
 668     bdaddr_t bdaddr;
 669
 670     if (nb_hcis >= MAX_NICS) {
 671         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
 672         return -1;
 673     }
 674
 675     hci = hci_init(str);
 676     if (!hci)
 677         return -1;
 678
 679     bdaddr.b[0] = 0x52;
 680     bdaddr.b[1] = 0x54;
 681     bdaddr.b[2] = 0x00;
 682     bdaddr.b[3] = 0x12;
 683     bdaddr.b[4] = 0x34;
 684     bdaddr.b[5] = 0x56 + nb_hcis;
 685     hci->bdaddr_set(hci, bdaddr.b);
 686
 687     hci_table[nb_hcis++] = hci;
 688
 689     return 0;
 690 }
 691
 692 static void bt_vhci_add(int vlan_id)
 693 {
 694     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
 695
 696     if (!vlan->slave)
 697         fprintf(stderr, "qemu: warning: adding a VHCI to "
 698                         "an empty scatternet %i\n", vlan_id);
 699
 700     bt_vhci_init(bt_new_hci(vlan));
 701 }
 702
 703 static struct bt_device_s *bt_device_add(const char *opt)
 704 {
 705     struct bt_scatternet_s *vlan;
 706     int vlan_id = 0;
 707     char *endp = strstr(opt, ",vlan=");
 708     int len = (endp ? endp - opt : strlen(opt)) + 1;
 709     char devname[10];
 710
 711     pstrcpy(devname, MIN(sizeof(devname), len), opt);
 712
 713     if (endp) {
 714         vlan_id = strtol(endp + 6, &endp, 0);
 715         if (*endp) {
 716             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
 717             return 0;
 718         }
 719     }
 720
 721     vlan = qemu_find_bt_vlan(vlan_id);
 722
 723     if (!vlan->slave)
 724         fprintf(stderr, "qemu: warning: adding a slave device to "
 725                         "an empty scatternet %i\n", vlan_id);
 726
 727     if (!strcmp(devname, "keyboard"))
 728         return bt_keyboard_init(vlan);
 729
 730     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
 731     return 0;
 732 }
 733
 734 static int bt_parse(const char *opt)
 735 {
 736     const char *endp, *p;
 737     int vlan;
 738
 739     if (strstart(opt, "hci", &endp)) {
 740         if (!*endp || *endp == ',') {
 741             if (*endp)
 742                 if (!strstart(endp, ",vlan=", 0))
 743                     opt = endp + 1;
 744
 745             return bt_hci_parse(opt);
 746        }
 747     } else if (strstart(opt, "vhci", &endp)) {
 748         if (!*endp || *endp == ',') {
 749             if (*endp) {
 750                 if (strstart(endp, ",vlan=", &p)) {
 751                     vlan = strtol(p, (char **) &endp, 0);
 752                     if (*endp) {
 753                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
 754                         return 1;
 755                     }
 756                 } else {
 757                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
 758                     return 1;
 759                 }
 760             } else
 761                 vlan = 0;
 762
 763             bt_vhci_add(vlan);
 764             return 0;
 765         }
 766     } else if (strstart(opt, "device:", &endp))
 767         return !bt_device_add(endp);
 768
 769     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
 770     return 1;
 771 }
 772
 773 static int parse_sandbox(QemuOpts *opts, void *opaque)
 774 {
 775     /* FIXME: change this to true for 1.3 */
 776     if (qemu_opt_get_bool(opts, "enable", false)) {
 777 #ifdef CONFIG_SECCOMP
 778         if (seccomp_start() < 0) {
 779             qerror_report(ERROR_CLASS_GENERIC_ERROR,
 780                           "failed to install seccomp syscall filter in the kernel");
 781             return -1;
 782         }
 783 #else
 784         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 785                       "sandboxing request but seccomp is not compiled into this build");
 786         return -1;
 787 #endif
 788     }
 789
 790     return 0;
 791 }
 792
 793 /*********QEMU USB setting******/
 794 bool usb_enabled(bool default_usb)
 795 {
 796     QemuOpts *mach_opts;
 797     mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
 798     if (mach_opts) {
 799         return qemu_opt_get_bool(mach_opts, "usb", default_usb);
 800     }
 801     return default_usb;
 802 }
 803
 804 #ifndef _WIN32
 805 static int parse_add_fd(QemuOpts *opts, void *opaque)
 806 {
 807     int fd, dupfd, flags;
 808     int64_t fdset_id;
 809     const char *fd_opaque = NULL;
 810
 811     fd = qemu_opt_get_number(opts, "fd", -1);
 812     fdset_id = qemu_opt_get_number(opts, "set", -1);
 813     fd_opaque = qemu_opt_get(opts, "opaque");
 814
 815     if (fd < 0) {
 816         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 817                       "fd option is required and must be non-negative");
 818         return -1;
 819     }
 820
 821     if (fd <= STDERR_FILENO) {
 822         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 823                       "fd cannot be a standard I/O stream");
 824         return -1;
 825     }
 826
 827     /*
 828      * All fds inherited across exec() necessarily have FD_CLOEXEC
 829      * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
 830      */
 831     flags = fcntl(fd, F_GETFD);
 832     if (flags == -1 || (flags & FD_CLOEXEC)) {
 833         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 834                       "fd is not valid or already in use");
 835         return -1;
 836     }
 837
 838     if (fdset_id < 0) {
 839         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 840                       "set option is required and must be non-negative");
 841         return -1;
 842     }
 843
 844 #ifdef F_DUPFD_CLOEXEC
 845     dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
 846 #else
 847     dupfd = dup(fd);
 848     if (dupfd != -1) {
 849         qemu_set_cloexec(dupfd);
 850     }
 851 #endif
 852     if (dupfd == -1) {
 853         qerror_report(ERROR_CLASS_GENERIC_ERROR,
 854                       "Error duplicating fd: %s", strerror(errno));
 855         return -1;
 856     }
 857
 858     /* add the duplicate fd, and optionally the opaque string, to the fd set */
 859     monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
 860                          fd_opaque, NULL);
 861
 862     return 0;
 863 }
 864
 865 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
 866 {
 867     int fd;
 868
 869     fd = qemu_opt_get_number(opts, "fd", -1);
 870     close(fd);
 871
 872     return 0;
 873 }
 874 #endif
 875
 876 /***********************************************************/
 877 /* QEMU Block devices */
 878
 879 #define HD_OPTS "media=disk"
 880 #define CDROM_OPTS "media=cdrom"
 881 #define FD_OPTS ""
 882 #define PFLASH_OPTS ""
 883 #define MTD_OPTS ""
 884 #define SD_OPTS ""
 885
 886 static int drive_init_func(QemuOpts *opts, void *opaque)
 887 {
 888     int *use_scsi = opaque;
 889
 890     return drive_init(opts, *use_scsi) == NULL;
 891 }
 892
 893 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 894 {
 895     if (NULL == qemu_opt_get(opts, "snapshot")) {
 896         qemu_opt_set(opts, "snapshot", "on");
 897     }
 898     return 0;
 899 }
 900
 901 static void default_drive(int enable, int snapshot, int use_scsi,
 902                           BlockInterfaceType type, int index,
 903                           const char *optstr)
 904 {
 905     QemuOpts *opts;
 906
 907     if (type == IF_DEFAULT) {
 908         type = use_scsi ? IF_SCSI : IF_IDE;
 909     }
 910
 911     if (!enable || drive_get_by_index(type, index)) {
 912         return;
 913     }
 914
 915     opts = drive_add(type, index, NULL, optstr);
 916     if (snapshot) {
 917         drive_enable_snapshot(opts, NULL);
 918     }
 919     if (!drive_init(opts, use_scsi)) {
 920         exit(1);
 921     }
 922 }
 923
 924 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
 925 {
 926     boot_set_handler = func;
 927     boot_set_opaque = opaque;
 928 }
 929
 930 int qemu_boot_set(const char *boot_devices)
 931 {
 932     if (!boot_set_handler) {
 933         return -EINVAL;
 934     }
 935     return boot_set_handler(boot_set_opaque, boot_devices);
 936 }
 937
 938 static void validate_bootdevices(char *devices)
 939 {
 940     /* We just do some generic consistency checks */
 941     const char *p;
 942     int bitmap = 0;
 943
 944     for (p = devices; *p != '\0'; p++) {
 945         /* Allowed boot devices are:
 946          * a-b: floppy disk drives
 947          * c-f: IDE disk drives
 948          * g-m: machine implementation dependent drives
 949          * n-p: network devices
 950          * It's up to each machine implementation to check if the given boot
 951          * devices match the actual hardware implementation and firmware
 952          * features.
 953          */
 954         if (*p < 'a' || *p > 'p') {
 955             fprintf(stderr, "Invalid boot device '%c'\n", *p);
 956             exit(1);
 957         }
 958         if (bitmap & (1 << (*p - 'a'))) {
 959             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
 960             exit(1);
 961         }
 962         bitmap |= 1 << (*p - 'a');
 963     }
 964 }
 965
 966 static void restore_boot_devices(void *opaque)
 967 {
 968     char *standard_boot_devices = opaque;
 969     static int first = 1;
 970
 971     /* Restore boot order and remove ourselves after the first boot */
 972     if (first) {
 973         first = 0;
 974         return;
 975     }
 976
 977     qemu_boot_set(standard_boot_devices);
 978
 979     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
 980     g_free(standard_boot_devices);
 981 }
 982
 983 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
 984                           const char *suffix)
 985 {
 986     FWBootEntry *node, *i;
 987
 988     if (bootindex < 0) {
 989         return;
 990     }
 991
 992     assert(dev != NULL || suffix != NULL);
 993
 994     node = g_malloc0(sizeof(FWBootEntry));
 995     node->bootindex = bootindex;
 996     node->suffix = suffix ? g_strdup(suffix) : NULL;
 997     node->dev = dev;
 998
 999     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1000         if (i->bootindex == bootindex) {
1001             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1002             exit(1);
1003         } else if (i->bootindex < bootindex) {
1004             continue;
1005         }
1006         QTAILQ_INSERT_BEFORE(i, node, link);
1007         return;
1008     }
1009     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1010 }
1011
1012 /*
1013  * This function returns null terminated string that consist of new line
1014  * separated device paths.
1015  *
1016  * memory pointed by "size" is assigned total length of the array in bytes
1017  *
1018  */
1019 char *get_boot_devices_list(uint32_t *size)
1020 {
1021     FWBootEntry *i;
1022     uint32_t total = 0;
1023     char *list = NULL;
1024
1025     QTAILQ_FOREACH(i, &fw_boot_order, link) {
1026         char *devpath = NULL, *bootpath;
1027         int len;
1028
1029         if (i->dev) {
1030             devpath = qdev_get_fw_dev_path(i->dev);
1031             assert(devpath);
1032         }
1033
1034         if (i->suffix && devpath) {
1035             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1036
1037             bootpath = g_malloc(bootpathlen);
1038             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1039             g_free(devpath);
1040         } else if (devpath) {
1041             bootpath = devpath;
1042         } else {
1043             assert(i->suffix);
1044             bootpath = g_strdup(i->suffix);
1045         }
1046
1047         if (total) {
1048             list[total-1] = '\n';
1049         }
1050         len = strlen(bootpath) + 1;
1051         list = g_realloc(list, total + len);
1052         memcpy(&list[total], bootpath, len);
1053         total += len;
1054         g_free(bootpath);
1055     }
1056
1057     *size = total;
1058
1059     return list;
1060 }
1061
1062 static void numa_add(const char *optarg)
1063 {
1064     char option[128];
1065     char *endptr;
1066     unsigned long long value, endvalue;
1067     int nodenr;
1068
1069     value = endvalue = 0ULL;
1070
1071     optarg = get_opt_name(option, 128, optarg, ',') + 1;
1072     if (!strcmp(option, "node")) {
1073         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1074             nodenr = nb_numa_nodes;
1075         } else {
1076             nodenr = strtoull(option, NULL, 10);
1077         }
1078
1079         if (get_param_value(option, 128, "mem", optarg) == 0) {
1080             node_mem[nodenr] = 0;
1081         } else {
1082             int64_t sval;
1083             sval = strtosz(option, &endptr);
1084             if (sval < 0 || *endptr) {
1085                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1086                 exit(1);
1087             }
1088             node_mem[nodenr] = sval;
1089         }
1090         if (get_param_value(option, 128, "cpus", optarg) != 0) {
1091             value = strtoull(option, &endptr, 10);
1092             if (*endptr == '-') {
1093                 endvalue = strtoull(endptr+1, &endptr, 10);
1094             } else {
1095                 endvalue = value;
1096             }
1097
1098             if (!(endvalue < MAX_CPUMASK_BITS)) {
1099                 endvalue = MAX_CPUMASK_BITS - 1;
1100                 fprintf(stderr,
1101                     "A max of %d CPUs are supported in a guest\n",
1102                      MAX_CPUMASK_BITS);
1103             }
1104
1105             bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1106         }
1107         nb_numa_nodes++;
1108     }
1109 }
1110
1111 static void smp_parse(const char *optarg)
1112 {
1113     int smp, sockets = 0, threads = 0, cores = 0;
1114     char *endptr;
1115     char option[128];
1116
1117     smp = strtoul(optarg, &endptr, 10);
1118     if (endptr != optarg) {
1119         if (*endptr == ',') {
1120             endptr++;
1121         }
1122     }
1123     if (get_param_value(option, 128, "sockets", endptr) != 0)
1124         sockets = strtoull(option, NULL, 10);
1125     if (get_param_value(option, 128, "cores", endptr) != 0)
1126         cores = strtoull(option, NULL, 10);
1127     if (get_param_value(option, 128, "threads", endptr) != 0)
1128         threads = strtoull(option, NULL, 10);
1129     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1130         max_cpus = strtoull(option, NULL, 10);
1131
1132     /* compute missing values, prefer sockets over cores over threads */
1133     if (smp == 0 || sockets == 0) {
1134         sockets = sockets > 0 ? sockets : 1;
1135         cores = cores > 0 ? cores : 1;
1136         threads = threads > 0 ? threads : 1;
1137         if (smp == 0) {
1138             smp = cores * threads * sockets;
1139         }
1140     } else {
1141         if (cores == 0) {
1142             threads = threads > 0 ? threads : 1;
1143             cores = smp / (sockets * threads);
1144         } else {
1145             threads = smp / (cores * sockets);
1146         }
1147     }
1148     smp_cpus = smp;
1149     smp_cores = cores > 0 ? cores : 1;
1150     smp_threads = threads > 0 ? threads : 1;
1151     if (max_cpus == 0)
1152         max_cpus = smp_cpus;
1153 }
1154
1155 /***********************************************************/
1156 /* USB devices */
1157
1158 static int usb_device_add(const char *devname)
1159 {
1160     const char *p;
1161     USBDevice *dev = NULL;
1162
1163     if (!usb_enabled(false)) {
1164         return -1;
1165     }
1166
1167     /* drivers with .usbdevice_name entry in USBDeviceInfo */
1168     dev = usbdevice_create(devname);
1169     if (dev)
1170         goto done;
1171
1172     /* the other ones */
1173 #ifndef CONFIG_LINUX
1174     /* only the linux version is qdev-ified, usb-bsd still needs this */
1175     if (strstart(devname, "host:", &p)) {
1176         dev = usb_host_device_open(usb_bus_find(-1), p);
1177     } else
1178 #endif
1179     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1180         dev = usb_bt_init(usb_bus_find(-1),
1181                           devname[2] ? hci_init(p)
1182                                      : bt_new_hci(qemu_find_bt_vlan(0)));
1183     } else {
1184         return -1;
1185     }
1186     if (!dev)
1187         return -1;
1188
1189 done:
1190     return 0;
1191 }
1192
1193 static int usb_device_del(const char *devname)
1194 {
1195     int bus_num, addr;
1196     const char *p;
1197
1198     if (strstart(devname, "host:", &p))
1199         return usb_host_device_close(p);
1200
1201     if (!usb_enabled(false)) {
1202         return -1;
1203     }
1204
1205     p = strchr(devname, '.');
1206     if (!p)
1207         return -1;
1208     bus_num = strtoul(devname, NULL, 0);
1209     addr = strtoul(p + 1, NULL, 0);
1210
1211     return usb_device_delete_addr(bus_num, addr);
1212 }
1213
1214 static int usb_parse(const char *cmdline)
1215 {
1216     int r;
1217     r = usb_device_add(cmdline);
1218     if (r < 0) {
1219         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1220     }
1221     return r;
1222 }
1223
1224 void do_usb_add(Monitor *mon, const QDict *qdict)
1225 {
1226     const char *devname = qdict_get_str(qdict, "devname");
1227     if (usb_device_add(devname) < 0) {
1228         error_report("could not add USB device '%s'", devname);
1229     }
1230 }
1231
1232 void do_usb_del(Monitor *mon, const QDict *qdict)
1233 {
1234     const char *devname = qdict_get_str(qdict, "devname");
1235     if (usb_device_del(devname) < 0) {
1236         error_report("could not delete USB device '%s'", devname);
1237     }
1238 }
1239
1240 /***********************************************************/
1241 /* PCMCIA/Cardbus */
1242
1243 static struct pcmcia_socket_entry_s {
1244     PCMCIASocket *socket;
1245     struct pcmcia_socket_entry_s *next;
1246 } *pcmcia_sockets = 0;
1247
1248 void pcmcia_socket_register(PCMCIASocket *socket)
1249 {
1250     struct pcmcia_socket_entry_s *entry;
1251
1252     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1253     entry->socket = socket;
1254     entry->next = pcmcia_sockets;
1255     pcmcia_sockets = entry;
1256 }
1257
1258 void pcmcia_socket_unregister(PCMCIASocket *socket)
1259 {
1260     struct pcmcia_socket_entry_s *entry, **ptr;
1261
1262     ptr = &pcmcia_sockets;
1263     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1264         if (entry->socket == socket) {
1265             *ptr = entry->next;
1266             g_free(entry);
1267         }
1268 }
1269
1270 void pcmcia_info(Monitor *mon)
1271 {
1272     struct pcmcia_socket_entry_s *iter;
1273
1274     if (!pcmcia_sockets)
1275         monitor_printf(mon, "No PCMCIA sockets\n");
1276
1277     for (iter = pcmcia_sockets; iter; iter = iter->next)
1278         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1279                        iter->socket->attached ? iter->socket->card_string :
1280                        "Empty");
1281 }
1282
1283 /***********************************************************/
1284 /* machine registration */
1285
1286 static QEMUMachine *first_machine = NULL;
1287 QEMUMachine *current_machine = NULL;
1288
1289 int qemu_register_machine(QEMUMachine *m)
1290 {
1291     QEMUMachine **pm;
1292     pm = &first_machine;
1293     while (*pm != NULL)
1294         pm = &(*pm)->next;
1295     m->next = NULL;
1296     *pm = m;
1297     return 0;
1298 }
1299
1300 static QEMUMachine *find_machine(const char *name)
1301 {
1302     QEMUMachine *m;
1303
1304     for(m = first_machine; m != NULL; m = m->next) {
1305         if (!strcmp(m->name, name))
1306             return m;
1307         if (m->alias && !strcmp(m->alias, name))
1308             return m;
1309     }
1310     return NULL;
1311 }
1312
1313 QEMUMachine *find_default_machine(void)
1314 {
1315     QEMUMachine *m;
1316
1317     for(m = first_machine; m != NULL; m = m->next) {
1318         if (m->is_default) {
1319             return m;
1320         }
1321     }
1322     return NULL;
1323 }
1324
1325 MachineInfoList *qmp_query_machines(Error **errp)
1326 {
1327     MachineInfoList *mach_list = NULL;
1328     QEMUMachine *m;
1329
1330     for (m = first_machine; m; m = m->next) {
1331         MachineInfoList *entry;
1332         MachineInfo *info;
1333
1334         info = g_malloc0(sizeof(*info));
1335         if (m->is_default) {
1336             info->has_is_default = true;
1337             info->is_default = true;
1338         }
1339
1340         if (m->alias) {
1341             info->has_alias = true;
1342             info->alias = g_strdup(m->alias);
1343         }
1344
1345         info->name = g_strdup(m->name);
1346
1347         entry = g_malloc0(sizeof(*entry));
1348         entry->value = info;
1349         entry->next = mach_list;
1350         mach_list = entry;
1351     }
1352
1353     return mach_list;
1354 }
1355
1356 /***********************************************************/
1357 /* main execution loop */
1358
1359 static void gui_update(void *opaque)
1360 {
1361     uint64_t interval = GUI_REFRESH_INTERVAL;
1362     DisplayState *ds = opaque;
1363     DisplayChangeListener *dcl;
1364
1365     dpy_refresh(ds);
1366
1367     QLIST_FOREACH(dcl, &ds->listeners, next) {
1368         if (dcl->gui_timer_interval &&
1369             dcl->gui_timer_interval < interval)
1370             interval = dcl->gui_timer_interval;
1371     }
1372     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1373 }
1374
1375 void gui_setup_refresh(DisplayState *ds)
1376 {
1377     DisplayChangeListener *dcl;
1378     bool need_timer = false;
1379     bool have_gfx = false;
1380     bool have_text = false;
1381
1382     QLIST_FOREACH(dcl, &ds->listeners, next) {
1383         if (dcl->dpy_refresh != NULL) {
1384             need_timer = true;
1385         }
1386         if (dcl->dpy_gfx_update != NULL) {
1387             have_gfx = true;
1388         }
1389         if (dcl->dpy_text_update != NULL) {
1390             have_text = true;
1391         }
1392     }
1393
1394     if (need_timer && ds->gui_timer == NULL) {
1395         ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1396         qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1397     }
1398     if (!need_timer && ds->gui_timer != NULL) {
1399         qemu_del_timer(ds->gui_timer);
1400         qemu_free_timer(ds->gui_timer);
1401         ds->gui_timer = NULL;
1402     }
1403
1404     ds->have_gfx = have_gfx;
1405     ds->have_text = have_text;
1406 }
1407
1408 struct vm_change_state_entry {
1409     VMChangeStateHandler *cb;
1410     void *opaque;
1411     QLIST_ENTRY (vm_change_state_entry) entries;
1412 };
1413
1414 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1415
1416 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1417                                                      void *opaque)
1418 {
1419     VMChangeStateEntry *e;
1420
1421     e = g_malloc0(sizeof (*e));
1422
1423     e->cb = cb;
1424     e->opaque = opaque;
1425     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1426     return e;
1427 }
1428
1429 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1430 {
1431     QLIST_REMOVE (e, entries);
1432     g_free (e);
1433 }
1434
1435 void vm_state_notify(int running, RunState state)
1436 {
1437     VMChangeStateEntry *e;
1438
1439     trace_vm_state_notify(running, state);
1440
1441     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1442         e->cb(e->opaque, running, state);
1443     }
1444 }
1445
1446 void vm_start(void)
1447 {
1448     if (!runstate_is_running()) {
1449         cpu_enable_ticks();
1450         runstate_set(RUN_STATE_RUNNING);
1451         vm_state_notify(1, RUN_STATE_RUNNING);
1452         resume_all_vcpus();
1453         monitor_protocol_event(QEVENT_RESUME, NULL);
1454     }
1455 }
1456
1457 /* reset/shutdown handler */
1458
1459 typedef struct QEMUResetEntry {
1460     QTAILQ_ENTRY(QEMUResetEntry) entry;
1461     QEMUResetHandler *func;
1462     void *opaque;
1463 } QEMUResetEntry;
1464
1465 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1466     QTAILQ_HEAD_INITIALIZER(reset_handlers);
1467 static int reset_requested;
1468 static int shutdown_requested, shutdown_signal = -1;
1469 static pid_t shutdown_pid;
1470 static int powerdown_requested;
1471 static int debug_requested;
1472 static int suspend_requested;
1473 static int wakeup_requested;
1474 static NotifierList powerdown_notifiers =
1475     NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1476 static NotifierList suspend_notifiers =
1477     NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1478 static NotifierList wakeup_notifiers =
1479     NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1480 static uint32_t wakeup_reason_mask = ~0;
1481 static RunState vmstop_requested = RUN_STATE_MAX;
1482
1483 int qemu_shutdown_requested_get(void)
1484 {
1485     return shutdown_requested;
1486 }
1487
1488 int qemu_reset_requested_get(void)
1489 {
1490     return reset_requested;
1491 }
1492
1493 static int qemu_shutdown_requested(void)
1494 {
1495     int r = shutdown_requested;
1496     shutdown_requested = 0;
1497     return r;
1498 }
1499
1500 static void qemu_kill_report(void)
1501 {
1502     if (!qtest_enabled() && shutdown_signal != -1) {
1503         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1504         if (shutdown_pid == 0) {
1505             /* This happens for eg ^C at the terminal, so it's worth
1506              * avoiding printing an odd message in that case.
1507              */
1508             fputc('\n', stderr);
1509         } else {
1510             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1511         }
1512         shutdown_signal = -1;
1513     }
1514 }
1515
1516 static int qemu_reset_requested(void)
1517 {
1518     int r = reset_requested;
1519     reset_requested = 0;
1520     return r;
1521 }
1522
1523 static int qemu_suspend_requested(void)
1524 {
1525     int r = suspend_requested;
1526     suspend_requested = 0;
1527     return r;
1528 }
1529
1530 static int qemu_wakeup_requested(void)
1531 {
1532     int r = wakeup_requested;
1533     wakeup_requested = 0;
1534     return r;
1535 }
1536
1537 static int qemu_powerdown_requested(void)
1538 {
1539     int r = powerdown_requested;
1540     powerdown_requested = 0;
1541     return r;
1542 }
1543
1544 static int qemu_debug_requested(void)
1545 {
1546     int r = debug_requested;
1547     debug_requested = 0;
1548     return r;
1549 }
1550
1551 /* We use RUN_STATE_MAX but any invalid value will do */
1552 static bool qemu_vmstop_requested(RunState *r)
1553 {
1554     if (vmstop_requested < RUN_STATE_MAX) {
1555         *r = vmstop_requested;
1556         vmstop_requested = RUN_STATE_MAX;
1557         return true;
1558     }
1559
1560     return false;
1561 }
1562
1563 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1564 {
1565     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1566
1567     re->func = func;
1568     re->opaque = opaque;
1569     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1570 }
1571
1572 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1573 {
1574     QEMUResetEntry *re;
1575
1576     QTAILQ_FOREACH(re, &reset_handlers, entry) {
1577         if (re->func == func && re->opaque == opaque) {
1578             QTAILQ_REMOVE(&reset_handlers, re, entry);
1579             g_free(re);
1580             return;
1581         }
1582     }
1583 }
1584
1585 void qemu_devices_reset(void)
1586 {
1587     QEMUResetEntry *re, *nre;
1588
1589     /* reset all devices */
1590     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1591         re->func(re->opaque);
1592     }
1593 }
1594
1595 void qemu_system_reset(bool report)
1596 {
1597     if (current_machine && current_machine->reset) {
1598         current_machine->reset();
1599     } else {
1600         qemu_devices_reset();
1601     }
1602     if (report) {
1603         monitor_protocol_event(QEVENT_RESET, NULL);
1604     }
1605     cpu_synchronize_all_post_reset();
1606 }
1607
1608 void qemu_system_reset_request(void)
1609 {
1610     if (no_reboot) {
1611         shutdown_requested = 1;
1612     } else {
1613         reset_requested = 1;
1614     }
1615     cpu_stop_current();
1616     qemu_notify_event();
1617 }
1618
1619 static void qemu_system_suspend(void)
1620 {
1621     pause_all_vcpus();
1622     notifier_list_notify(&suspend_notifiers, NULL);
1623     runstate_set(RUN_STATE_SUSPENDED);
1624     monitor_protocol_event(QEVENT_SUSPEND, NULL);
1625 }
1626
1627 void qemu_system_suspend_request(void)
1628 {
1629     if (runstate_check(RUN_STATE_SUSPENDED)) {
1630         return;
1631     }
1632     suspend_requested = 1;
1633     cpu_stop_current();
1634     qemu_notify_event();
1635 }
1636
1637 void qemu_register_suspend_notifier(Notifier *notifier)
1638 {
1639     notifier_list_add(&suspend_notifiers, notifier);
1640 }
1641
1642 void qemu_system_wakeup_request(WakeupReason reason)
1643 {
1644     if (!runstate_check(RUN_STATE_SUSPENDED)) {
1645         return;
1646     }
1647     if (!(wakeup_reason_mask & (1 << reason))) {
1648         return;
1649     }
1650     runstate_set(RUN_STATE_RUNNING);
1651     notifier_list_notify(&wakeup_notifiers, &reason);
1652     wakeup_requested = 1;
1653     qemu_notify_event();
1654 }
1655
1656 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1657 {
1658     if (enabled) {
1659         wakeup_reason_mask |= (1 << reason);
1660     } else {
1661         wakeup_reason_mask &= ~(1 << reason);
1662     }
1663 }
1664
1665 void qemu_register_wakeup_notifier(Notifier *notifier)
1666 {
1667     notifier_list_add(&wakeup_notifiers, notifier);
1668 }
1669
1670 void qemu_system_killed(int signal, pid_t pid)
1671 {
1672     shutdown_signal = signal;
1673     shutdown_pid = pid;
1674     no_shutdown = 0;
1675     qemu_system_shutdown_request();
1676 }
1677
1678 void qemu_system_shutdown_request(void)
1679 {
1680     shutdown_requested = 1;
1681     qemu_notify_event();
1682 }
1683
1684 static void qemu_system_powerdown(void)
1685 {
1686     monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1687     notifier_list_notify(&powerdown_notifiers, NULL);
1688 }
1689
1690 void qemu_system_powerdown_request(void)
1691 {
1692     powerdown_requested = 1;
1693     qemu_notify_event();
1694 }
1695
1696 void qemu_register_powerdown_notifier(Notifier *notifier)
1697 {
1698     notifier_list_add(&powerdown_notifiers, notifier);
1699 }
1700
1701 void qemu_system_debug_request(void)
1702 {
1703     debug_requested = 1;
1704     qemu_notify_event();
1705 }
1706
1707 void qemu_system_vmstop_request(RunState state)
1708 {
1709     vmstop_requested = state;
1710     qemu_notify_event();
1711 }
1712
1713 static bool main_loop_should_exit(void)
1714 {
1715     RunState r;
1716     if (qemu_debug_requested()) {
1717         vm_stop(RUN_STATE_DEBUG);
1718     }
1719     if (qemu_suspend_requested()) {
1720         qemu_system_suspend();
1721     }
1722     if (qemu_shutdown_requested()) {
1723         qemu_kill_report();
1724         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1725         if (no_shutdown) {
1726             vm_stop(RUN_STATE_SHUTDOWN);
1727         } else {
1728             return true;
1729         }
1730     }
1731     if (qemu_reset_requested()) {
1732         pause_all_vcpus();
1733         cpu_synchronize_all_states();
1734         qemu_system_reset(VMRESET_REPORT);
1735         resume_all_vcpus();
1736         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1737             runstate_check(RUN_STATE_SHUTDOWN)) {
1738             runstate_set(RUN_STATE_PAUSED);
1739         }
1740     }
1741     if (qemu_wakeup_requested()) {
1742         pause_all_vcpus();
1743         cpu_synchronize_all_states();
1744         qemu_system_reset(VMRESET_SILENT);
1745         resume_all_vcpus();
1746         monitor_protocol_event(QEVENT_WAKEUP, NULL);
1747     }
1748     if (qemu_powerdown_requested()) {
1749         qemu_system_powerdown();
1750     }
1751     if (qemu_vmstop_requested(&r)) {
1752         vm_stop(r);
1753     }
1754     return false;
1755 }
1756
1757 static void main_loop(void)
1758 {
1759     bool nonblocking;
1760     int last_io = 0;
1761 #ifdef CONFIG_PROFILER
1762     int64_t ti;
1763 #endif
1764     do {
1765         nonblocking = !kvm_enabled() && last_io > 0;
1766 #ifdef CONFIG_PROFILER
1767         ti = profile_getclock();
1768 #endif
1769         last_io = main_loop_wait(nonblocking);
1770 #ifdef CONFIG_PROFILER
1771         dev_time += profile_getclock() - ti;
1772 #endif
1773     } while (!main_loop_should_exit());
1774 }
1775
1776 static void version(void)
1777 {
1778     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1779 }
1780
1781 static void help(int exitcode)
1782 {
1783     version();
1784     printf("usage: %s [options] [disk_image]\n\n"
1785            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1786             error_get_progname());
1787
1788 #define QEMU_OPTIONS_GENERATE_HELP
1789 #include "qemu-options-wrapper.h"
1790
1791     printf("\nDuring emulation, the following keys are useful:\n"
1792            "ctrl-alt-f      toggle full screen\n"
1793            "ctrl-alt-n      switch to virtual console 'n'\n"
1794            "ctrl-alt        toggle mouse and keyboard grab\n"
1795            "\n"
1796            "When using -nographic, press 'ctrl-a h' to get some help.\n");
1797
1798     exit(exitcode);
1799 }
1800
1801 #define HAS_ARG 0x0001
1802
1803 typedef struct QEMUOption {
1804     const char *name;
1805     int flags;
1806     int index;
1807     uint32_t arch_mask;
1808 } QEMUOption;
1809
1810 static const QEMUOption qemu_options[] = {
1811     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1812 #define QEMU_OPTIONS_GENERATE_OPTIONS
1813 #include "qemu-options-wrapper.h"
1814     { NULL },
1815 };
1816
1817 static bool vga_available(void)
1818 {
1819     return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1820 }
1821
1822 static bool cirrus_vga_available(void)
1823 {
1824     return object_class_by_name("cirrus-vga")
1825            || object_class_by_name("isa-cirrus-vga");
1826 }
1827
1828 static bool vmware_vga_available(void)
1829 {
1830     return object_class_by_name("vmware-svga");
1831 }
1832
1833 static bool qxl_vga_available(void)
1834 {
1835     return object_class_by_name("qxl-vga");
1836 }
1837
1838 static void select_vgahw (const char *p)
1839 {
1840     const char *opts;
1841
1842     vga_interface_type = VGA_NONE;
1843     if (strstart(p, "std", &opts)) {
1844         if (vga_available()) {
1845             vga_interface_type = VGA_STD;
1846         } else {
1847             fprintf(stderr, "Error: standard VGA not available\n");
1848             exit(0);
1849         }
1850     } else if (strstart(p, "cirrus", &opts)) {
1851         if (cirrus_vga_available()) {
1852             vga_interface_type = VGA_CIRRUS;
1853         } else {
1854             fprintf(stderr, "Error: Cirrus VGA not available\n");
1855             exit(0);
1856         }
1857     } else if (strstart(p, "vmware", &opts)) {
1858         if (vmware_vga_available()) {
1859             vga_interface_type = VGA_VMWARE;
1860         } else {
1861             fprintf(stderr, "Error: VMWare SVGA not available\n");
1862             exit(0);
1863         }
1864     } else if (strstart(p, "xenfb", &opts)) {
1865         vga_interface_type = VGA_XENFB;
1866     } else if (strstart(p, "qxl", &opts)) {
1867         if (qxl_vga_available()) {
1868             vga_interface_type = VGA_QXL;
1869         } else {
1870             fprintf(stderr, "Error: QXL VGA not available\n");
1871             exit(0);
1872         }
1873     } else if (!strstart(p, "none", &opts)) {
1874     invalid_vga:
1875         fprintf(stderr, "Unknown vga type: %s\n", p);
1876         exit(1);
1877     }
1878     while (*opts) {
1879         const char *nextopt;
1880
1881         if (strstart(opts, ",retrace=", &nextopt)) {
1882             opts = nextopt;
1883             if (strstart(opts, "dumb", &nextopt))
1884                 vga_retrace_method = VGA_RETRACE_DUMB;
1885             else if (strstart(opts, "precise", &nextopt))
1886                 vga_retrace_method = VGA_RETRACE_PRECISE;
1887             else goto invalid_vga;
1888         } else goto invalid_vga;
1889         opts = nextopt;
1890     }
1891 }
1892
1893 static DisplayType select_display(const char *p)
1894 {
1895     const char *opts;
1896     DisplayType display = DT_DEFAULT;
1897
1898     if (strstart(p, "sdl", &opts)) {
1899 #ifdef CONFIG_SDL
1900         display = DT_SDL;
1901         while (*opts) {
1902             const char *nextopt;
1903
1904             if (strstart(opts, ",frame=", &nextopt)) {
1905                 opts = nextopt;
1906                 if (strstart(opts, "on", &nextopt)) {
1907                     no_frame = 0;
1908                 } else if (strstart(opts, "off", &nextopt)) {
1909                     no_frame = 1;
1910                 } else {
1911                     goto invalid_sdl_args;
1912                 }
1913             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1914                 opts = nextopt;
1915                 if (strstart(opts, "on", &nextopt)) {
1916                     alt_grab = 1;
1917                 } else if (strstart(opts, "off", &nextopt)) {
1918                     alt_grab = 0;
1919                 } else {
1920                     goto invalid_sdl_args;
1921                 }
1922             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1923                 opts = nextopt;
1924                 if (strstart(opts, "on", &nextopt)) {
1925                     ctrl_grab = 1;
1926                 } else if (strstart(opts, "off", &nextopt)) {
1927                     ctrl_grab = 0;
1928                 } else {
1929                     goto invalid_sdl_args;
1930                 }
1931             } else if (strstart(opts, ",window_close=", &nextopt)) {
1932                 opts = nextopt;
1933                 if (strstart(opts, "on", &nextopt)) {
1934                     no_quit = 0;
1935                 } else if (strstart(opts, "off", &nextopt)) {
1936                     no_quit = 1;
1937                 } else {
1938                     goto invalid_sdl_args;
1939                 }
1940             } else {
1941             invalid_sdl_args:
1942                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1943                 exit(1);
1944             }
1945             opts = nextopt;
1946         }
1947 #else
1948         fprintf(stderr, "SDL support is disabled\n");
1949         exit(1);
1950 #endif
1951     } else if (strstart(p, "vnc", &opts)) {
1952 #ifdef CONFIG_VNC
1953         display_remote++;
1954
1955         if (*opts) {
1956             const char *nextopt;
1957
1958             if (strstart(opts, "=", &nextopt)) {
1959                 vnc_display = nextopt;
1960             }
1961         }
1962         if (!vnc_display) {
1963             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1964             exit(1);
1965         }
1966 #else
1967         fprintf(stderr, "VNC support is disabled\n");
1968         exit(1);
1969 #endif
1970     } else if (strstart(p, "curses", &opts)) {
1971 #ifdef CONFIG_CURSES
1972         display = DT_CURSES;
1973 #else
1974         fprintf(stderr, "Curses support is disabled\n");
1975         exit(1);
1976 #endif
1977     } else if (strstart(p, "none", &opts)) {
1978         display = DT_NONE;
1979     } else {
1980         fprintf(stderr, "Unknown display type: %s\n", p);
1981         exit(1);
1982     }
1983
1984     return display;
1985 }
1986
1987 static int balloon_parse(const char *arg)
1988 {
1989     QemuOpts *opts;
1990
1991     if (strcmp(arg, "none") == 0) {
1992         return 0;
1993     }
1994
1995     if (!strncmp(arg, "virtio", 6)) {
1996         if (arg[6] == ',') {
1997             /* have params -> parse them */
1998             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1999             if (!opts)
2000                 return  -1;
2001         } else {
2002             /* create empty opts */
2003             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
2004         }
2005         qemu_opt_set(opts, "driver", "virtio-balloon");
2006         return 0;
2007     }
2008
2009     return -1;
2010 }
2011
2012 char *qemu_find_file(int type, const char *name)
2013 {
2014     int len;
2015     const char *subdir;
2016     char *buf;
2017
2018     /* Try the name as a straight path first */
2019     if (access(name, R_OK) == 0) {
2020         return g_strdup(name);
2021     }
2022     switch (type) {
2023     case QEMU_FILE_TYPE_BIOS:
2024         subdir = "";
2025         break;
2026     case QEMU_FILE_TYPE_KEYMAP:
2027         subdir = "keymaps/";
2028         break;
2029     default:
2030         abort();
2031     }
2032     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2033     buf = g_malloc0(len);
2034     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2035     if (access(buf, R_OK)) {
2036         g_free(buf);
2037         return NULL;
2038     }
2039     return buf;
2040 }
2041
2042 static int device_help_func(QemuOpts *opts, void *opaque)
2043 {
2044     return qdev_device_help(opts);
2045 }
2046
2047 static int device_init_func(QemuOpts *opts, void *opaque)
2048 {
2049     DeviceState *dev;
2050
2051     dev = qdev_device_add(opts);
2052     if (!dev)
2053         return -1;
2054     return 0;
2055 }
2056
2057 static int chardev_init_func(QemuOpts *opts, void *opaque)
2058 {
2059     CharDriverState *chr;
2060
2061     chr = qemu_chr_new_from_opts(opts, NULL);
2062     if (!chr)
2063         return -1;
2064     return 0;
2065 }
2066
2067 #ifdef CONFIG_VIRTFS
2068 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2069 {
2070     int ret;
2071     ret = qemu_fsdev_add(opts);
2072
2073     return ret;
2074 }
2075 #endif
2076
2077 static int mon_init_func(QemuOpts *opts, void *opaque)
2078 {
2079     CharDriverState *chr;
2080     const char *chardev;
2081     const char *mode;
2082     int flags;
2083
2084     mode = qemu_opt_get(opts, "mode");
2085     if (mode == NULL) {
2086         mode = "readline";
2087     }
2088     if (strcmp(mode, "readline") == 0) {
2089         flags = MONITOR_USE_READLINE;
2090     } else if (strcmp(mode, "control") == 0) {
2091         flags = MONITOR_USE_CONTROL;
2092     } else {
2093         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2094         exit(1);
2095     }
2096
2097     if (qemu_opt_get_bool(opts, "pretty", 0))
2098         flags |= MONITOR_USE_PRETTY;
2099
2100     if (qemu_opt_get_bool(opts, "default", 0))
2101         flags |= MONITOR_IS_DEFAULT;
2102
2103     chardev = qemu_opt_get(opts, "chardev");
2104     chr = qemu_chr_find(chardev);
2105     if (chr == NULL) {
2106         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2107         exit(1);
2108     }
2109
2110     monitor_init(chr, flags);
2111     return 0;
2112 }
2113
2114 static void monitor_parse(const char *optarg, const char *mode)
2115 {
2116     static int monitor_device_index = 0;
2117     QemuOpts *opts;
2118     const char *p;
2119     char label[32];
2120     int def = 0;
2121
2122     if (strstart(optarg, "chardev:", &p)) {
2123         snprintf(label, sizeof(label), "%s", p);
2124     } else {
2125         snprintf(label, sizeof(label), "compat_monitor%d",
2126                  monitor_device_index);
2127         if (monitor_device_index == 0) {
2128             def = 1;
2129         }
2130         opts = qemu_chr_parse_compat(label, optarg);
2131         if (!opts) {
2132             fprintf(stderr, "parse error: %s\n", optarg);
2133             exit(1);
2134         }
2135     }
2136
2137     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2138     if (!opts) {
2139         fprintf(stderr, "duplicate chardev: %s\n", label);
2140         exit(1);
2141     }
2142     qemu_opt_set(opts, "mode", mode);
2143     qemu_opt_set(opts, "chardev", label);
2144     if (def)
2145         qemu_opt_set(opts, "default", "on");
2146     monitor_device_index++;
2147 }
2148
2149 struct device_config {
2150     enum {
2151         DEV_USB,       /* -usbdevice     */
2152         DEV_BT,        /* -bt            */
2153         DEV_SERIAL,    /* -serial        */
2154         DEV_PARALLEL,  /* -parallel      */
2155         DEV_VIRTCON,   /* -virtioconsole */
2156         DEV_DEBUGCON,  /* -debugcon */
2157         DEV_GDB,       /* -gdb, -s */
2158     } type;
2159     const char *cmdline;
2160     Location loc;
2161     QTAILQ_ENTRY(device_config) next;
2162 };
2163
2164 static QTAILQ_HEAD(, device_config) device_configs =
2165     QTAILQ_HEAD_INITIALIZER(device_configs);
2166
2167 static void add_device_config(int type, const char *cmdline)
2168 {
2169     struct device_config *conf;
2170
2171     conf = g_malloc0(sizeof(*conf));
2172     conf->type = type;
2173     conf->cmdline = cmdline;
2174     loc_save(&conf->loc);
2175     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2176 }
2177
2178 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2179 {
2180     struct device_config *conf;
2181     int rc;
2182
2183     QTAILQ_FOREACH(conf, &device_configs, next) {
2184         if (conf->type != type)
2185             continue;
2186         loc_push_restore(&conf->loc);
2187         rc = func(conf->cmdline);
2188         loc_pop(&conf->loc);
2189         if (0 != rc)
2190             return rc;
2191     }
2192     return 0;
2193 }
2194
2195 static int serial_parse(const char *devname)
2196 {
2197     static int index = 0;
2198     char label[32];
2199
2200     if (strcmp(devname, "none") == 0)
2201         return 0;
2202     if (index == MAX_SERIAL_PORTS) {
2203         fprintf(stderr, "qemu: too many serial ports\n");
2204         exit(1);
2205     }
2206     snprintf(label, sizeof(label), "serial%d", index);
2207     serial_hds[index] = qemu_chr_new(label, devname, NULL);
2208     if (!serial_hds[index]) {
2209         fprintf(stderr, "qemu: could not connect serial device"
2210                 " to character backend '%s'\n", devname);
2211         return -1;
2212     }
2213     index++;
2214     return 0;
2215 }
2216
2217 static int parallel_parse(const char *devname)
2218 {
2219     static int index = 0;
2220     char label[32];
2221
2222     if (strcmp(devname, "none") == 0)
2223         return 0;
2224     if (index == MAX_PARALLEL_PORTS) {
2225         fprintf(stderr, "qemu: too many parallel ports\n");
2226         exit(1);
2227     }
2228     snprintf(label, sizeof(label), "parallel%d", index);
2229     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2230     if (!parallel_hds[index]) {
2231         fprintf(stderr, "qemu: could not connect parallel device"
2232                 " to character backend '%s'\n", devname);
2233         return -1;
2234     }
2235     index++;
2236     return 0;
2237 }
2238
2239 static int virtcon_parse(const char *devname)
2240 {
2241     QemuOptsList *device = qemu_find_opts("device");
2242     static int index = 0;
2243     char label[32];
2244     QemuOpts *bus_opts, *dev_opts;
2245
2246     if (strcmp(devname, "none") == 0)
2247         return 0;
2248     if (index == MAX_VIRTIO_CONSOLES) {
2249         fprintf(stderr, "qemu: too many virtio consoles\n");
2250         exit(1);
2251     }
2252
2253     bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2254     if (arch_type == QEMU_ARCH_S390X) {
2255         qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2256     } else {
2257         qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2258     }
2259
2260     dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2261     qemu_opt_set(dev_opts, "driver", "virtconsole");
2262
2263     snprintf(label, sizeof(label), "virtcon%d", index);
2264     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2265     if (!virtcon_hds[index]) {
2266         fprintf(stderr, "qemu: could not connect virtio console"
2267                 " to character backend '%s'\n", devname);
2268         return -1;
2269     }
2270     qemu_opt_set(dev_opts, "chardev", label);
2271
2272     index++;
2273     return 0;
2274 }
2275
2276 static int debugcon_parse(const char *devname)
2277 {
2278     QemuOpts *opts;
2279
2280     if (!qemu_chr_new("debugcon", devname, NULL)) {
2281         exit(1);
2282     }
2283     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2284     if (!opts) {
2285         fprintf(stderr, "qemu: already have a debugcon device\n");
2286         exit(1);
2287     }
2288     qemu_opt_set(opts, "driver", "isa-debugcon");
2289     qemu_opt_set(opts, "chardev", "debugcon");
2290     return 0;
2291 }
2292
2293 static QEMUMachine *machine_parse(const char *name)
2294 {
2295     QEMUMachine *m, *machine = NULL;
2296
2297     if (name) {
2298         machine = find_machine(name);
2299     }
2300     if (machine) {
2301         return machine;
2302     }
2303     printf("Supported machines are:\n");
2304     for (m = first_machine; m != NULL; m = m->next) {
2305         if (m->alias) {
2306             printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2307         }
2308         printf("%-20s %s%s\n", m->name, m->desc,
2309                m->is_default ? " (default)" : "");
2310     }
2311     exit(!name || !is_help_option(name));
2312 }
2313
2314 static int tcg_init(void)
2315 {
2316     tcg_exec_init(tcg_tb_size * 1024 * 1024);
2317     return 0;
2318 }
2319
2320 static struct {
2321     const char *opt_name;
2322     const char *name;
2323     int (*available)(void);
2324     int (*init)(void);
2325     int *allowed;
2326 } accel_list[] = {
2327     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2328     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2329     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2330     { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2331 };
2332
2333 static int configure_accelerator(void)
2334 {
2335     const char *p = NULL;
2336     char buf[10];
2337     int i, ret;
2338     bool accel_initialised = 0;
2339     bool init_failed = 0;
2340
2341     QemuOptsList *list = qemu_find_opts("machine");
2342     if (!QTAILQ_EMPTY(&list->head)) {
2343         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2344     }
2345
2346     if (p == NULL) {
2347         /* Use the default "accelerator", tcg */
2348         p = "tcg";
2349     }
2350
2351     while (!accel_initialised && *p != '\0') {
2352         if (*p == ':') {
2353             p++;
2354         }
2355         p = get_opt_name(buf, sizeof (buf), p, ':');
2356         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2357             if (strcmp(accel_list[i].opt_name, buf) == 0) {
2358                 *(accel_list[i].allowed) = 1;
2359                 ret = accel_list[i].init();
2360                 if (ret < 0) {
2361                     init_failed = 1;
2362                     if (!accel_list[i].available()) {
2363                         printf("%s not supported for this target\n",
2364                                accel_list[i].name);
2365                     } else {
2366                         fprintf(stderr, "failed to initialize %s: %s\n",
2367                                 accel_list[i].name,
2368                                 strerror(-ret));
2369                     }
2370                     *(accel_list[i].allowed) = 0;
2371                 } else {
2372                     accel_initialised = 1;
2373                 }
2374                 break;
2375             }
2376         }
2377         if (i == ARRAY_SIZE(accel_list)) {
2378             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2379         }
2380     }
2381
2382     if (!accel_initialised) {
2383         fprintf(stderr, "No accelerator found!\n");
2384         exit(1);
2385     }
2386
2387     if (init_failed) {
2388         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2389     }
2390
2391     return !accel_initialised;
2392 }
2393
2394 void qemu_add_exit_notifier(Notifier *notify)
2395 {
2396     notifier_list_add(&exit_notifiers, notify);
2397 }
2398
2399 void qemu_remove_exit_notifier(Notifier *notify)
2400 {
2401     notifier_remove(notify);
2402 }
2403
2404 static void qemu_run_exit_notifiers(void)
2405 {
2406     notifier_list_notify(&exit_notifiers, NULL);
2407 }
2408
2409 void qemu_add_machine_init_done_notifier(Notifier *notify)
2410 {
2411     notifier_list_add(&machine_init_done_notifiers, notify);
2412 }
2413
2414 static void qemu_run_machine_init_done_notifiers(void)
2415 {
2416     notifier_list_notify(&machine_init_done_notifiers, NULL);
2417 }
2418
2419 static const QEMUOption *lookup_opt(int argc, char **argv,
2420                                     const char **poptarg, int *poptind)
2421 {
2422     const QEMUOption *popt;
2423     int optind = *poptind;
2424     char *r = argv[optind];
2425     const char *optarg;
2426
2427     loc_set_cmdline(argv, optind, 1);
2428     optind++;
2429     /* Treat --foo the same as -foo.  */
2430     if (r[1] == '-')
2431         r++;
2432     popt = qemu_options;
2433     for(;;) {
2434         if (!popt->name) {
2435             error_report("invalid option");
2436             exit(1);
2437         }
2438         if (!strcmp(popt->name, r + 1))
2439             break;
2440         popt++;
2441     }
2442     if (popt->flags & HAS_ARG) {
2443         if (optind >= argc) {
2444             error_report("requires an argument");
2445             exit(1);
2446         }
2447         optarg = argv[optind++];
2448         loc_set_cmdline(argv, optind - 2, 2);
2449     } else {
2450         optarg = NULL;
2451     }
2452
2453     *poptarg = optarg;
2454     *poptind = optind;
2455
2456     return popt;
2457 }
2458
2459 static gpointer malloc_and_trace(gsize n_bytes)
2460 {
2461     void *ptr = malloc(n_bytes);
2462     trace_g_malloc(n_bytes, ptr);
2463     return ptr;
2464 }
2465
2466 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2467 {
2468     void *ptr = realloc(mem, n_bytes);
2469     trace_g_realloc(mem, n_bytes, ptr);
2470     return ptr;
2471 }
2472
2473 static void free_and_trace(gpointer mem)
2474 {
2475     trace_g_free(mem);
2476     free(mem);
2477 }
2478
2479 int main(int argc, char **argv, char **envp)
2480 {
2481     int i;
2482     int snapshot, linux_boot;
2483     const char *icount_option = NULL;
2484     const char *initrd_filename;
2485     const char *kernel_filename, *kernel_cmdline;
2486     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2487     DisplayState *ds;
2488     int cyls, heads, secs, translation;
2489     QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2490     QemuOptsList *olist;
2491     int optind;
2492     const char *optarg;
2493     const char *loadvm = NULL;
2494     QEMUMachine *machine;
2495     const char *cpu_model;
2496     const char *vga_model = "none";
2497     const char *pid_file = NULL;
2498     const char *incoming = NULL;
2499 #ifdef CONFIG_VNC
2500     int show_vnc_port = 0;
2501 #endif
2502     bool defconfig = true;
2503     bool userconfig = true;
2504     const char *log_mask = NULL;
2505     const char *log_file = NULL;
2506     GMemVTable mem_trace = {
2507         .malloc = malloc_and_trace,
2508         .realloc = realloc_and_trace,
2509         .free = free_and_trace,
2510     };
2511     const char *trace_events = NULL;
2512     const char *trace_file = NULL;
2513
2514     atexit(qemu_run_exit_notifiers);
2515     error_set_progname(argv[0]);
2516
2517     g_mem_set_vtable(&mem_trace);
2518     if (!g_thread_supported()) {
2519 #if !GLIB_CHECK_VERSION(2, 31, 0)
2520         g_thread_init(NULL);
2521 #else
2522         fprintf(stderr, "glib threading failed to initialize.\n");
2523         exit(1);
2524 #endif
2525     }
2526
2527     module_call_init(MODULE_INIT_QOM);
2528
2529     runstate_init();
2530
2531     init_clocks();
2532     rtc_clock = host_clock;
2533
2534     qemu_cache_utils_init(envp);
2535
2536     QLIST_INIT (&vm_change_state_head);
2537     os_setup_early_signal_handling();
2538
2539     module_call_init(MODULE_INIT_MACHINE);
2540     machine = find_default_machine();
2541     cpu_model = NULL;
2542     ram_size = 0;
2543     snapshot = 0;
2544     cyls = heads = secs = 0;
2545     translation = BIOS_ATA_TRANSLATION_AUTO;
2546
2547     for (i = 0; i < MAX_NODES; i++) {
2548         node_mem[i] = 0;
2549         node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2550     }
2551
2552     nb_numa_nodes = 0;
2553     nb_nics = 0;
2554
2555     autostart= 1;
2556
2557     /* first pass of option parsing */
2558     optind = 1;
2559     while (optind < argc) {
2560         if (argv[optind][0] != '-') {
2561             /* disk image */
2562             optind++;
2563             continue;
2564         } else {
2565             const QEMUOption *popt;
2566
2567             popt = lookup_opt(argc, argv, &optarg, &optind);
2568             switch (popt->index) {
2569             case QEMU_OPTION_nodefconfig:
2570                 defconfig = false;
2571                 break;
2572             case QEMU_OPTION_nouserconfig:
2573                 userconfig = false;
2574                 break;
2575             }
2576         }
2577     }
2578
2579     if (defconfig) {
2580         int ret;
2581         ret = qemu_read_default_config_files(userconfig);
2582         if (ret < 0) {
2583             exit(1);
2584         }
2585     }
2586
2587     /* second pass of option parsing */
2588     optind = 1;
2589     for(;;) {
2590         if (optind >= argc)
2591             break;
2592         if (argv[optind][0] != '-') {
2593             hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2594         } else {
2595             const QEMUOption *popt;
2596
2597             popt = lookup_opt(argc, argv, &optarg, &optind);
2598             if (!(popt->arch_mask & arch_type)) {
2599                 printf("Option %s not supported for this target\n", popt->name);
2600                 exit(1);
2601             }
2602             switch(popt->index) {
2603             case QEMU_OPTION_M:
2604                 machine = machine_parse(optarg);
2605                 break;
2606             case QEMU_OPTION_no_kvm_irqchip: {
2607                 olist = qemu_find_opts("machine");
2608                 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2609                 break;
2610             }
2611             case QEMU_OPTION_cpu:
2612                 /* hw initialization will check this */
2613                 cpu_model = optarg;
2614                 break;
2615             case QEMU_OPTION_hda:
2616                 {
2617                     char buf[256];
2618                     if (cyls == 0)
2619                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2620                     else
2621                         snprintf(buf, sizeof(buf),
2622                                  "%s,cyls=%d,heads=%d,secs=%d%s",
2623                                  HD_OPTS , cyls, heads, secs,
2624                                  translation == BIOS_ATA_TRANSLATION_LBA ?
2625                                  ",trans=lba" :
2626                                  translation == BIOS_ATA_TRANSLATION_NONE ?
2627                                  ",trans=none" : "");
2628                     drive_add(IF_DEFAULT, 0, optarg, buf);
2629                     break;
2630                 }
2631             case QEMU_OPTION_hdb:
2632             case QEMU_OPTION_hdc:
2633             case QEMU_OPTION_hdd:
2634                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2635                           HD_OPTS);
2636                 break;
2637             case QEMU_OPTION_drive:
2638                 if (drive_def(optarg) == NULL) {
2639                     exit(1);
2640                 }
2641                 break;
2642             case QEMU_OPTION_set:
2643                 if (qemu_set_option(optarg) != 0)
2644                     exit(1);
2645                 break;
2646             case QEMU_OPTION_global:
2647                 if (qemu_global_option(optarg) != 0)
2648                     exit(1);
2649                 break;
2650             case QEMU_OPTION_mtdblock:
2651                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2652                 break;
2653             case QEMU_OPTION_sd:
2654                 drive_add(IF_SD, 0, optarg, SD_OPTS);
2655                 break;
2656             case QEMU_OPTION_pflash:
2657                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2658                 break;
2659             case QEMU_OPTION_snapshot:
2660                 snapshot = 1;
2661                 break;
2662             case QEMU_OPTION_hdachs:
2663                 {
2664                     const char *p;
2665                     p = optarg;
2666                     cyls = strtol(p, (char **)&p, 0);
2667                     if (cyls < 1 || cyls > 16383)
2668                         goto chs_fail;
2669                     if (*p != ',')
2670                         goto chs_fail;
2671                     p++;
2672                     heads = strtol(p, (char **)&p, 0);
2673                     if (heads < 1 || heads > 16)
2674                         goto chs_fail;
2675                     if (*p != ',')
2676                         goto chs_fail;
2677                     p++;
2678                     secs = strtol(p, (char **)&p, 0);
2679                     if (secs < 1 || secs > 63)
2680                         goto chs_fail;
2681                     if (*p == ',') {
2682                         p++;
2683                         if (!strcmp(p, "none"))
2684                             translation = BIOS_ATA_TRANSLATION_NONE;
2685                         else if (!strcmp(p, "lba"))
2686                             translation = BIOS_ATA_TRANSLATION_LBA;
2687                         else if (!strcmp(p, "auto"))
2688                             translation = BIOS_ATA_TRANSLATION_AUTO;
2689                         else
2690                             goto chs_fail;
2691                     } else if (*p != '\0') {
2692                     chs_fail:
2693                         fprintf(stderr, "qemu: invalid physical CHS format\n");
2694                         exit(1);
2695                     }
2696                     if (hda_opts != NULL) {
2697                         char num[16];
2698                         snprintf(num, sizeof(num), "%d", cyls);
2699                         qemu_opt_set(hda_opts, "cyls", num);
2700                         snprintf(num, sizeof(num), "%d", heads);
2701                         qemu_opt_set(hda_opts, "heads", num);
2702                         snprintf(num, sizeof(num), "%d", secs);
2703                         qemu_opt_set(hda_opts, "secs", num);
2704                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2705                             qemu_opt_set(hda_opts, "trans", "lba");
2706                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2707                             qemu_opt_set(hda_opts, "trans", "none");
2708                     }
2709                 }
2710                 break;
2711             case QEMU_OPTION_numa:
2712                 if (nb_numa_nodes >= MAX_NODES) {
2713                     fprintf(stderr, "qemu: too many NUMA nodes\n");
2714                     exit(1);
2715                 }
2716                 numa_add(optarg);
2717                 break;
2718             case QEMU_OPTION_display:
2719                 display_type = select_display(optarg);
2720                 break;
2721             case QEMU_OPTION_nographic:
2722                 display_type = DT_NOGRAPHIC;
2723                 break;
2724             case QEMU_OPTION_curses:
2725 #ifdef CONFIG_CURSES
2726                 display_type = DT_CURSES;
2727 #else
2728                 fprintf(stderr, "Curses support is disabled\n");
2729                 exit(1);
2730 #endif
2731                 break;
2732             case QEMU_OPTION_portrait:
2733                 graphic_rotate = 90;
2734                 break;
2735             case QEMU_OPTION_rotate:
2736                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2737                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2738                     graphic_rotate != 180 && graphic_rotate != 270) {
2739                     fprintf(stderr,
2740                         "qemu: only 90, 180, 270 deg rotation is available\n");
2741                     exit(1);
2742                 }
2743                 break;
2744             case QEMU_OPTION_kernel:
2745                 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2746                 break;
2747             case QEMU_OPTION_initrd:
2748                 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2749                 break;
2750             case QEMU_OPTION_append:
2751                 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2752                 break;
2753             case QEMU_OPTION_dtb:
2754                 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2755                 break;
2756             case QEMU_OPTION_cdrom:
2757                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2758                 break;
2759             case QEMU_OPTION_boot:
2760                 {
2761                     static const char * const params[] = {
2762                         "order", "once", "menu",
2763                         "splash", "splash-time",
2764                         "reboot-timeout", NULL
2765                     };
2766                     char buf[sizeof(boot_devices)];
2767                     char *standard_boot_devices;
2768                     int legacy = 0;
2769
2770                     if (!strchr(optarg, '=')) {
2771                         legacy = 1;
2772                         pstrcpy(buf, sizeof(buf), optarg);
2773                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2774                         fprintf(stderr,
2775                                 "qemu: unknown boot parameter '%s' in '%s'\n",
2776                                 buf, optarg);
2777                         exit(1);
2778                     }
2779
2780                     if (legacy ||
2781                         get_param_value(buf, sizeof(buf), "order", optarg)) {
2782                         validate_bootdevices(buf);
2783                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
2784                     }
2785                     if (!legacy) {
2786                         if (get_param_value(buf, sizeof(buf),
2787                                             "once", optarg)) {
2788                             validate_bootdevices(buf);
2789                             standard_boot_devices = g_strdup(boot_devices);
2790                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
2791                             qemu_register_reset(restore_boot_devices,
2792                                                 standard_boot_devices);
2793                         }
2794                         if (get_param_value(buf, sizeof(buf),
2795                                             "menu", optarg)) {
2796                             if (!strcmp(buf, "on")) {
2797                                 boot_menu = 1;
2798                             } else if (!strcmp(buf, "off")) {
2799                                 boot_menu = 0;
2800                             } else {
2801                                 fprintf(stderr,
2802                                         "qemu: invalid option value '%s'\n",
2803                                         buf);
2804                                 exit(1);
2805                             }
2806                         }
2807                         qemu_opts_parse(qemu_find_opts("boot-opts"),
2808                                         optarg, 0);
2809                     }
2810                 }
2811                 break;
2812             case QEMU_OPTION_fda:
2813             case QEMU_OPTION_fdb:
2814                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2815                           optarg, FD_OPTS);
2816                 break;
2817             case QEMU_OPTION_no_fd_bootchk:
2818                 fd_bootchk = 0;
2819                 break;
2820             case QEMU_OPTION_netdev:
2821                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2822                     exit(1);
2823                 }
2824                 break;
2825             case QEMU_OPTION_net:
2826                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2827                     exit(1);
2828                 }
2829                 break;
2830 #ifdef CONFIG_LIBISCSI
2831             case QEMU_OPTION_iscsi:
2832                 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2833                 if (!opts) {
2834                     exit(1);
2835                 }
2836                 break;
2837 #endif
2838 #ifdef CONFIG_SLIRP
2839             case QEMU_OPTION_tftp:
2840                 legacy_tftp_prefix = optarg;
2841                 break;
2842             case QEMU_OPTION_bootp:
2843                 legacy_bootp_filename = optarg;
2844                 break;
2845             case QEMU_OPTION_redir:
2846                 if (net_slirp_redir(optarg) < 0)
2847                     exit(1);
2848                 break;
2849 #endif
2850             case QEMU_OPTION_bt:
2851                 add_device_config(DEV_BT, optarg);
2852                 break;
2853             case QEMU_OPTION_audio_help:
2854                 if (!(audio_available())) {
2855                     printf("Option %s not supported for this target\n", popt->name);
2856                     exit(1);
2857                 }
2858                 AUD_help ();
2859                 exit (0);
2860                 break;
2861             case QEMU_OPTION_soundhw:
2862                 if (!(audio_available())) {
2863                     printf("Option %s not supported for this target\n", popt->name);
2864                     exit(1);
2865                 }
2866                 select_soundhw (optarg);
2867                 break;
2868             case QEMU_OPTION_h:
2869                 help(0);
2870                 break;
2871             case QEMU_OPTION_version:
2872                 version();
2873                 exit(0);
2874                 break;
2875             case QEMU_OPTION_m: {
2876                 int64_t value;
2877                 uint64_t sz;
2878                 char *end;
2879
2880                 value = strtosz(optarg, &end);
2881                 if (value < 0 || *end) {
2882                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2883                     exit(1);
2884                 }
2885                 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2886                 ram_size = sz;
2887                 if (ram_size != sz) {
2888                     fprintf(stderr, "qemu: ram size too large\n");
2889                     exit(1);
2890                 }
2891                 break;
2892             }
2893             case QEMU_OPTION_mempath:
2894                 mem_path = optarg;
2895                 break;
2896 #ifdef MAP_POPULATE
2897             case QEMU_OPTION_mem_prealloc:
2898                 mem_prealloc = 1;
2899                 break;
2900 #endif
2901             case QEMU_OPTION_d:
2902                 log_mask = optarg;
2903                 break;
2904             case QEMU_OPTION_D:
2905                 log_file = optarg;
2906                 break;
2907             case QEMU_OPTION_s:
2908                 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2909                 break;
2910             case QEMU_OPTION_gdb:
2911                 add_device_config(DEV_GDB, optarg);
2912                 break;
2913             case QEMU_OPTION_L:
2914                 data_dir = optarg;
2915                 break;
2916             case QEMU_OPTION_bios:
2917                 bios_name = optarg;
2918                 break;
2919             case QEMU_OPTION_singlestep:
2920                 singlestep = 1;
2921                 break;
2922             case QEMU_OPTION_S:
2923                 autostart = 0;
2924                 break;
2925             case QEMU_OPTION_k:
2926                 keyboard_layout = optarg;
2927                 break;
2928             case QEMU_OPTION_localtime:
2929                 rtc_utc = 0;
2930                 break;
2931             case QEMU_OPTION_vga:
2932                 vga_model = optarg;
2933                 default_vga = 0;
2934                 break;
2935             case QEMU_OPTION_g:
2936                 {
2937                     const char *p;
2938                     int w, h, depth;
2939                     p = optarg;
2940                     w = strtol(p, (char **)&p, 10);
2941                     if (w <= 0) {
2942                     graphic_error:
2943                         fprintf(stderr, "qemu: invalid resolution or depth\n");
2944                         exit(1);
2945                     }
2946                     if (*p != 'x')
2947                         goto graphic_error;
2948                     p++;
2949                     h = strtol(p, (char **)&p, 10);
2950                     if (h <= 0)
2951                         goto graphic_error;
2952                     if (*p == 'x') {
2953                         p++;
2954                         depth = strtol(p, (char **)&p, 10);
2955                         if (depth != 8 && depth != 15 && depth != 16 &&
2956                             depth != 24 && depth != 32)
2957                             goto graphic_error;
2958                     } else if (*p == '\0') {
2959                         depth = graphic_depth;
2960                     } else {
2961                         goto graphic_error;
2962                     }
2963
2964                     graphic_width = w;
2965                     graphic_height = h;
2966                     graphic_depth = depth;
2967                 }
2968                 break;
2969             case QEMU_OPTION_echr:
2970                 {
2971                     char *r;
2972                     term_escape_char = strtol(optarg, &r, 0);
2973                     if (r == optarg)
2974                         printf("Bad argument to echr\n");
2975                     break;
2976                 }
2977             case QEMU_OPTION_monitor:
2978                 monitor_parse(optarg, "readline");
2979                 default_monitor = 0;
2980                 break;
2981             case QEMU_OPTION_qmp:
2982                 monitor_parse(optarg, "control");
2983                 default_monitor = 0;
2984                 break;
2985             case QEMU_OPTION_mon:
2986                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2987                 if (!opts) {
2988                     exit(1);
2989                 }
2990                 default_monitor = 0;
2991                 break;
2992             case QEMU_OPTION_chardev:
2993                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2994                 if (!opts) {
2995                     exit(1);
2996                 }
2997                 break;
2998             case QEMU_OPTION_fsdev:
2999                 olist = qemu_find_opts("fsdev");
3000                 if (!olist) {
3001                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3002                     exit(1);
3003                 }
3004                 opts = qemu_opts_parse(olist, optarg, 1);
3005                 if (!opts) {
3006                     fprintf(stderr, "parse error: %s\n", optarg);
3007                     exit(1);
3008                 }
3009                 break;
3010             case QEMU_OPTION_virtfs: {
3011                 QemuOpts *fsdev;
3012                 QemuOpts *device;
3013                 const char *writeout, *sock_fd, *socket;
3014
3015                 olist = qemu_find_opts("virtfs");
3016                 if (!olist) {
3017                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3018                     exit(1);
3019                 }
3020                 opts = qemu_opts_parse(olist, optarg, 1);
3021                 if (!opts) {
3022                     fprintf(stderr, "parse error: %s\n", optarg);
3023                     exit(1);
3024                 }
3025
3026                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3027                     qemu_opt_get(opts, "mount_tag") == NULL) {
3028                     fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3029                     exit(1);
3030                 }
3031                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3032                                          qemu_opt_get(opts, "mount_tag"),
3033                                          1, NULL);
3034                 if (!fsdev) {
3035                     fprintf(stderr, "duplicate fsdev id: %s\n",
3036                             qemu_opt_get(opts, "mount_tag"));
3037                     exit(1);
3038                 }
3039
3040                 writeout = qemu_opt_get(opts, "writeout");
3041                 if (writeout) {
3042 #ifdef CONFIG_SYNC_FILE_RANGE
3043                     qemu_opt_set(fsdev, "writeout", writeout);
3044 #else
3045                     fprintf(stderr, "writeout=immediate not supported on "
3046                             "this platform\n");
3047                     exit(1);
3048 #endif
3049                 }
3050                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3051                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3052                 qemu_opt_set(fsdev, "security_model",
3053                              qemu_opt_get(opts, "security_model"));
3054                 socket = qemu_opt_get(opts, "socket");
3055                 if (socket) {
3056                     qemu_opt_set(fsdev, "socket", socket);
3057                 }
3058                 sock_fd = qemu_opt_get(opts, "sock_fd");
3059                 if (sock_fd) {
3060                     qemu_opt_set(fsdev, "sock_fd", sock_fd);
3061                 }
3062
3063                 qemu_opt_set_bool(fsdev, "readonly",
3064                                 qemu_opt_get_bool(opts, "readonly", 0));
3065                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3066                                           NULL);
3067                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3068                 qemu_opt_set(device, "fsdev",
3069                              qemu_opt_get(opts, "mount_tag"));
3070                 qemu_opt_set(device, "mount_tag",
3071                              qemu_opt_get(opts, "mount_tag"));
3072                 break;
3073             }
3074             case QEMU_OPTION_virtfs_synth: {
3075                 QemuOpts *fsdev;
3076                 QemuOpts *device;
3077
3078                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3079                                          1, NULL);
3080                 if (!fsdev) {
3081                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3082                     exit(1);
3083                 }
3084                 qemu_opt_set(fsdev, "fsdriver", "synth");
3085
3086                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3087                                           NULL);
3088                 qemu_opt_set(device, "driver", "virtio-9p-pci");
3089                 qemu_opt_set(device, "fsdev", "v_synth");
3090                 qemu_opt_set(device, "mount_tag", "v_synth");
3091                 break;
3092             }
3093             case QEMU_OPTION_serial:
3094                 add_device_config(DEV_SERIAL, optarg);
3095                 default_serial = 0;
3096                 if (strncmp(optarg, "mon:", 4) == 0) {
3097                     default_monitor = 0;
3098                 }
3099                 break;
3100             case QEMU_OPTION_watchdog:
3101                 if (watchdog) {
3102                     fprintf(stderr,
3103                             "qemu: only one watchdog option may be given\n");
3104                     return 1;
3105                 }
3106                 watchdog = optarg;
3107                 break;
3108             case QEMU_OPTION_watchdog_action:
3109                 if (select_watchdog_action(optarg) == -1) {
3110                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
3111                     exit(1);
3112                 }
3113                 break;
3114             case QEMU_OPTION_virtiocon:
3115                 add_device_config(DEV_VIRTCON, optarg);
3116                 default_virtcon = 0;
3117                 if (strncmp(optarg, "mon:", 4) == 0) {
3118                     default_monitor = 0;
3119                 }
3120                 break;
3121             case QEMU_OPTION_parallel:
3122                 add_device_config(DEV_PARALLEL, optarg);
3123                 default_parallel = 0;
3124                 if (strncmp(optarg, "mon:", 4) == 0) {
3125                     default_monitor = 0;
3126                 }
3127                 break;
3128             case QEMU_OPTION_debugcon:
3129                 add_device_config(DEV_DEBUGCON, optarg);
3130                 break;
3131             case QEMU_OPTION_loadvm:
3132                 loadvm = optarg;
3133                 break;
3134             case QEMU_OPTION_full_screen:
3135                 full_screen = 1;
3136                 break;
3137 #ifdef CONFIG_SDL
3138             case QEMU_OPTION_no_frame:
3139                 no_frame = 1;
3140                 break;
3141             case QEMU_OPTION_alt_grab:
3142                 alt_grab = 1;
3143                 break;
3144             case QEMU_OPTION_ctrl_grab:
3145                 ctrl_grab = 1;
3146                 break;
3147             case QEMU_OPTION_no_quit:
3148                 no_quit = 1;
3149                 break;
3150             case QEMU_OPTION_sdl:
3151                 display_type = DT_SDL;
3152                 break;
3153 #else
3154             case QEMU_OPTION_no_frame:
3155             case QEMU_OPTION_alt_grab:
3156             case QEMU_OPTION_ctrl_grab:
3157             case QEMU_OPTION_no_quit:
3158             case QEMU_OPTION_sdl:
3159                 fprintf(stderr, "SDL support is disabled\n");
3160                 exit(1);
3161 #endif
3162             case QEMU_OPTION_pidfile:
3163                 pid_file = optarg;
3164                 break;
3165             case QEMU_OPTION_win2k_hack:
3166                 win2k_install_hack = 1;
3167                 break;
3168             case QEMU_OPTION_rtc_td_hack: {
3169                 static GlobalProperty slew_lost_ticks[] = {
3170                     {
3171                         .driver   = "mc146818rtc",
3172                         .property = "lost_tick_policy",
3173                         .value    = "slew",
3174                     },
3175                     { /* end of list */ }
3176                 };
3177
3178                 qdev_prop_register_global_list(slew_lost_ticks);
3179                 break;
3180             }
3181             case QEMU_OPTION_acpitable:
3182                 do_acpitable_option(optarg);
3183                 break;
3184             case QEMU_OPTION_smbios:
3185                 do_smbios_option(optarg);
3186                 break;
3187             case QEMU_OPTION_enable_kvm:
3188                 olist = qemu_find_opts("machine");
3189                 qemu_opts_parse(olist, "accel=kvm", 0);
3190                 break;
3191             case QEMU_OPTION_machine:
3192                 olist = qemu_find_opts("machine");
3193                 opts = qemu_opts_parse(olist, optarg, 1);
3194                 if (!opts) {
3195                     fprintf(stderr, "parse error: %s\n", optarg);
3196                     exit(1);
3197                 }
3198                 optarg = qemu_opt_get(opts, "type");
3199                 if (optarg) {
3200                     machine = machine_parse(optarg);
3201                 }
3202                 break;
3203              case QEMU_OPTION_no_kvm:
3204                 olist = qemu_find_opts("machine");
3205                 qemu_opts_parse(olist, "accel=tcg", 0);
3206                 break;
3207             case QEMU_OPTION_no_kvm_pit: {
3208                 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3209                                 "separately.\n");
3210                 break;
3211             }
3212             case QEMU_OPTION_no_kvm_pit_reinjection: {
3213                 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3214                     {
3215                         .driver   = "kvm-pit",
3216                         .property = "lost_tick_policy",
3217                         .value    = "discard",
3218                     },
3219                     { /* end of list */ }
3220                 };
3221
3222                 fprintf(stderr, "Warning: option deprecated, use "
3223                         "lost_tick_policy property of kvm-pit instead.\n");
3224                 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3225                 break;
3226             }
3227             case QEMU_OPTION_usb:
3228                 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3229                 if (machine_opts) {
3230                     qemu_opt_set_bool(machine_opts, "usb", true);
3231                 }
3232                 break;
3233             case QEMU_OPTION_usbdevice:
3234                 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3235                 if (machine_opts) {
3236                     qemu_opt_set_bool(machine_opts, "usb", true);
3237                 }
3238                 add_device_config(DEV_USB, optarg);
3239                 break;
3240             case QEMU_OPTION_device:
3241                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3242                     exit(1);
3243                 }
3244                 break;
3245             case QEMU_OPTION_smp:
3246                 smp_parse(optarg);
3247                 if (smp_cpus < 1) {
3248                     fprintf(stderr, "Invalid number of CPUs\n");
3249                     exit(1);
3250                 }
3251                 if (max_cpus < smp_cpus) {
3252                     fprintf(stderr, "maxcpus must be equal to or greater than "
3253                             "smp\n");
3254                     exit(1);
3255                 }
3256                 if (max_cpus > 255) {
3257                     fprintf(stderr, "Unsupported number of maxcpus\n");
3258                     exit(1);
3259                 }
3260                 break;
3261             case QEMU_OPTION_vnc:
3262 #ifdef CONFIG_VNC
3263                 display_remote++;
3264                 vnc_display = optarg;
3265 #else
3266                 fprintf(stderr, "VNC support is disabled\n");
3267                 exit(1);
3268 #endif
3269                 break;
3270             case QEMU_OPTION_no_acpi:
3271                 acpi_enabled = 0;
3272                 break;
3273             case QEMU_OPTION_no_hpet:
3274                 no_hpet = 1;
3275                 break;
3276             case QEMU_OPTION_balloon:
3277                 if (balloon_parse(optarg) < 0) {
3278                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3279                     exit(1);
3280                 }
3281                 break;
3282             case QEMU_OPTION_no_reboot:
3283                 no_reboot = 1;
3284                 break;
3285             case QEMU_OPTION_no_shutdown:
3286                 no_shutdown = 1;
3287                 break;
3288             case QEMU_OPTION_show_cursor:
3289                 cursor_hide = 0;
3290                 break;
3291             case QEMU_OPTION_uuid:
3292                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3293                     fprintf(stderr, "Fail to parse UUID string."
3294                             " Wrong format.\n");
3295                     exit(1);
3296                 }
3297                 break;
3298             case QEMU_OPTION_option_rom:
3299                 if (nb_option_roms >= MAX_OPTION_ROMS) {
3300                     fprintf(stderr, "Too many option ROMs\n");
3301                     exit(1);
3302                 }
3303                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3304                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3305                 option_rom[nb_option_roms].bootindex =
3306                     qemu_opt_get_number(opts, "bootindex", -1);
3307                 if (!option_rom[nb_option_roms].name) {
3308                     fprintf(stderr, "Option ROM file is not specified\n");
3309                     exit(1);
3310                 }
3311                 nb_option_roms++;
3312                 break;
3313             case QEMU_OPTION_semihosting:
3314                 semihosting_enabled = 1;
3315                 break;
3316             case QEMU_OPTION_tdf:
3317                 fprintf(stderr, "Warning: user space PIT time drift fix "
3318                                 "is no longer supported.\n");
3319                 break;
3320             case QEMU_OPTION_name:
3321                 qemu_name = g_strdup(optarg);
3322                  {
3323                      char *p = strchr(qemu_name, ',');
3324                      if (p != NULL) {
3325                         *p++ = 0;
3326                         if (strncmp(p, "process=", 8)) {
3327                             fprintf(stderr, "Unknown subargument %s to -name\n", p);
3328                             exit(1);
3329                         }
3330                         p += 8;
3331                         os_set_proc_name(p);
3332                      }
3333                  }
3334                 break;
3335             case QEMU_OPTION_prom_env:
3336                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3337                     fprintf(stderr, "Too many prom variables\n");
3338                     exit(1);
3339                 }
3340                 prom_envs[nb_prom_envs] = optarg;
3341                 nb_prom_envs++;
3342                 break;
3343             case QEMU_OPTION_old_param:
3344                 old_param = 1;
3345                 break;
3346             case QEMU_OPTION_clock:
3347                 configure_alarms(optarg);
3348                 break;
3349             case QEMU_OPTION_startdate:
3350                 configure_rtc_date_offset(optarg, 1);
3351                 break;
3352             case QEMU_OPTION_rtc:
3353                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3354                 if (!opts) {
3355                     exit(1);
3356                 }
3357                 configure_rtc(opts);
3358                 break;
3359             case QEMU_OPTION_tb_size:
3360                 tcg_tb_size = strtol(optarg, NULL, 0);
3361                 if (tcg_tb_size < 0) {
3362                     tcg_tb_size = 0;
3363                 }
3364                 break;
3365             case QEMU_OPTION_icount:
3366                 icount_option = optarg;
3367                 break;
3368             case QEMU_OPTION_incoming:
3369                 incoming = optarg;
3370                 runstate_set(RUN_STATE_INMIGRATE);
3371                 break;
3372             case QEMU_OPTION_nodefaults:
3373                 default_serial = 0;
3374                 default_parallel = 0;
3375                 default_virtcon = 0;
3376                 default_monitor = 0;
3377                 default_net = 0;
3378                 default_floppy = 0;
3379                 default_cdrom = 0;
3380                 default_sdcard = 0;
3381                 default_vga = 0;
3382                 break;
3383             case QEMU_OPTION_xen_domid:
3384                 if (!(xen_available())) {
3385                     printf("Option %s not supported for this target\n", popt->name);
3386                     exit(1);
3387                 }
3388                 xen_domid = atoi(optarg);
3389                 break;
3390             case QEMU_OPTION_xen_create:
3391                 if (!(xen_available())) {
3392                     printf("Option %s not supported for this target\n", popt->name);
3393                     exit(1);
3394                 }
3395                 xen_mode = XEN_CREATE;
3396                 break;
3397             case QEMU_OPTION_xen_attach:
3398                 if (!(xen_available())) {
3399                     printf("Option %s not supported for this target\n", popt->name);
3400                     exit(1);
3401                 }
3402                 xen_mode = XEN_ATTACH;
3403                 break;
3404             case QEMU_OPTION_trace:
3405             {
3406                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3407                 if (!opts) {
3408                     exit(1);
3409                 }
3410                 trace_events = qemu_opt_get(opts, "events");
3411                 trace_file = qemu_opt_get(opts, "file");
3412                 break;
3413             }
3414             case QEMU_OPTION_readconfig:
3415                 {
3416                     int ret = qemu_read_config_file(optarg);
3417                     if (ret < 0) {
3418                         fprintf(stderr, "read config %s: %s\n", optarg,
3419                             strerror(-ret));
3420                         exit(1);
3421                     }
3422                     break;
3423                 }
3424             case QEMU_OPTION_spice:
3425                 olist = qemu_find_opts("spice");
3426                 if (!olist) {
3427                     fprintf(stderr, "spice is not supported by this qemu build.\n");
3428                     exit(1);
3429                 }
3430                 opts = qemu_opts_parse(olist, optarg, 0);
3431                 if (!opts) {
3432                     fprintf(stderr, "parse error: %s\n", optarg);
3433                     exit(1);
3434                 }
3435                 break;
3436             case QEMU_OPTION_writeconfig:
3437                 {
3438                     FILE *fp;
3439                     if (strcmp(optarg, "-") == 0) {
3440                         fp = stdout;
3441                     } else {
3442                         fp = fopen(optarg, "w");
3443                         if (fp == NULL) {
3444                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3445                             exit(1);
3446                         }
3447                     }
3448                     qemu_config_write(fp);
3449                     fclose(fp);
3450                     break;
3451                 }
3452             case QEMU_OPTION_qtest:
3453                 qtest_chrdev = optarg;
3454                 break;
3455             case QEMU_OPTION_qtest_log:
3456                 qtest_log = optarg;
3457                 break;
3458             case QEMU_OPTION_sandbox:
3459                 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3460                 if (!opts) {
3461                     exit(0);
3462                 }
3463                 break;
3464             case QEMU_OPTION_add_fd:
3465 #ifndef _WIN32
3466                 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3467                 if (!opts) {
3468                     exit(0);
3469                 }
3470 #else
3471                 error_report("File descriptor passing is disabled on this "
3472                              "platform");
3473                 exit(1);
3474 #endif
3475                 break;
3476             default:
3477                 os_parse_cmd_args(popt->index, optarg);
3478             }
3479         }
3480     }
3481     loc_set_none();
3482
3483     if (qemu_init_main_loop()) {
3484         fprintf(stderr, "qemu_init_main_loop failed\n");
3485         exit(1);
3486     }
3487
3488     if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3489         exit(1);
3490     }
3491
3492 #ifndef _WIN32
3493     if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3494         exit(1);
3495     }
3496
3497     if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3498         exit(1);
3499     }
3500 #endif
3501
3502     if (machine == NULL) {
3503         fprintf(stderr, "No machine found.\n");
3504         exit(1);
3505     }
3506
3507     if (machine->hw_version) {
3508         qemu_set_version(machine->hw_version);
3509     }
3510
3511     /* Init CPU def lists, based on config
3512      * - Must be called after all the qemu_read_config_file() calls
3513      * - Must be called before list_cpus()
3514      * - Must be called before machine->init()
3515      */
3516     cpudef_init();
3517
3518     if (cpu_model && is_help_option(cpu_model)) {
3519         list_cpus(stdout, &fprintf, cpu_model);
3520         exit(0);
3521     }
3522
3523     /* Open the logfile at this point, if necessary. We can't open the logfile
3524      * when encountering either of the logging options (-d or -D) because the
3525      * other one may be encountered later on the command line, changing the
3526      * location or level of logging.
3527      */
3528     if (log_mask) {
3529         if (log_file) {
3530             set_cpu_log_filename(log_file);
3531         }
3532         set_cpu_log(log_mask);
3533     }
3534
3535     if (!trace_backend_init(trace_events, trace_file)) {
3536         exit(1);
3537     }
3538
3539     /* If no data_dir is specified then try to find it relative to the
3540        executable path.  */
3541     if (!data_dir) {
3542         data_dir = os_find_datadir(argv[0]);
3543     }
3544     /* If all else fails use the install path specified when building. */
3545     if (!data_dir) {
3546         data_dir = CONFIG_QEMU_DATADIR;
3547     }
3548
3549     /*
3550      * Default to max_cpus = smp_cpus, in case the user doesn't
3551      * specify a max_cpus value.
3552      */
3553     if (!max_cpus)
3554         max_cpus = smp_cpus;
3555
3556     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3557     if (smp_cpus > machine->max_cpus) {
3558         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3559                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3560                 machine->max_cpus);
3561         exit(1);
3562     }
3563
3564     /*
3565      * Get the default machine options from the machine if it is not already
3566      * specified either by the configuration file or by the command line.
3567      */
3568     if (machine->default_machine_opts) {
3569         qemu_opts_set_defaults(qemu_find_opts("machine"),
3570                                machine->default_machine_opts, 0);
3571     }
3572
3573     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3574     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3575
3576     if (machine->no_serial) {
3577         default_serial = 0;
3578     }
3579     if (machine->no_parallel) {
3580         default_parallel = 0;
3581     }
3582     if (!machine->use_virtcon) {
3583         default_virtcon = 0;
3584     }
3585     if (machine->no_floppy) {
3586         default_floppy = 0;
3587     }
3588     if (machine->no_cdrom) {
3589         default_cdrom = 0;
3590     }
3591     if (machine->no_sdcard) {
3592         default_sdcard = 0;
3593     }
3594
3595     if (display_type == DT_NOGRAPHIC) {
3596         if (default_parallel)
3597             add_device_config(DEV_PARALLEL, "null");
3598         if (default_serial && default_monitor) {
3599             add_device_config(DEV_SERIAL, "mon:stdio");
3600         } else if (default_virtcon && default_monitor) {
3601             add_device_config(DEV_VIRTCON, "mon:stdio");
3602         } else {
3603             if (default_serial)
3604                 add_device_config(DEV_SERIAL, "stdio");
3605             if (default_virtcon)
3606                 add_device_config(DEV_VIRTCON, "stdio");
3607             if (default_monitor)
3608                 monitor_parse("stdio", "readline");
3609         }
3610     } else {
3611         if (default_serial)
3612             add_device_config(DEV_SERIAL, "vc:80Cx24C");
3613         if (default_parallel)
3614             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3615         if (default_monitor)
3616             monitor_parse("vc:80Cx24C", "readline");
3617         if (default_virtcon)
3618             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3619     }
3620
3621     socket_init();
3622
3623     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3624         exit(1);
3625 #ifdef CONFIG_VIRTFS
3626     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3627         exit(1);
3628     }
3629 #endif
3630
3631     os_daemonize();
3632
3633     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3634         os_pidfile_error();
3635         exit(1);
3636     }
3637
3638     /* init the memory */
3639     if (ram_size == 0) {
3640         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3641     }
3642
3643     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3644         != 0) {
3645         exit(0);
3646     }
3647
3648     configure_accelerator();
3649
3650     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3651     if (machine_opts) {
3652         kernel_filename = qemu_opt_get(machine_opts, "kernel");
3653         initrd_filename = qemu_opt_get(machine_opts, "initrd");
3654         kernel_cmdline = qemu_opt_get(machine_opts, "append");
3655     } else {
3656         kernel_filename = initrd_filename = kernel_cmdline = NULL;
3657     }
3658
3659     if (!kernel_cmdline) {
3660         kernel_cmdline = "";
3661     }
3662
3663     linux_boot = (kernel_filename != NULL);
3664
3665     if (!linux_boot && *kernel_cmdline != '\0') {
3666         fprintf(stderr, "-append only allowed with -kernel option\n");
3667         exit(1);
3668     }
3669
3670     if (!linux_boot && initrd_filename != NULL) {
3671         fprintf(stderr, "-initrd only allowed with -kernel option\n");
3672         exit(1);
3673     }
3674
3675     if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3676         fprintf(stderr, "-dtb only allowed with -kernel option\n");
3677         exit(1);
3678     }
3679
3680     os_set_line_buffering();
3681
3682     qemu_init_cpu_loop();
3683     qemu_mutex_lock_iothread();
3684
3685 #ifdef CONFIG_SPICE
3686     /* spice needs the timers to be initialized by this point */
3687     qemu_spice_init();
3688 #endif
3689
3690     if (icount_option && (kvm_enabled() || xen_enabled())) {
3691         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3692         exit(1);
3693     }
3694     configure_icount(icount_option);
3695
3696     if (net_init_clients() < 0) {
3697         exit(1);
3698     }
3699
3700     /* init the bluetooth world */
3701     if (foreach_device_config(DEV_BT, bt_parse))
3702         exit(1);
3703
3704     if (!xen_enabled()) {
3705         /* On 32-bit hosts, QEMU is limited by virtual address space */
3706         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3707             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3708             exit(1);
3709         }
3710     }
3711
3712     cpu_exec_init_all();
3713
3714     bdrv_init_with_whitelist();
3715
3716     blk_mig_init();
3717
3718     /* open the virtual block devices */
3719     if (snapshot)
3720         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3721     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3722         exit(1);
3723
3724     default_drive(default_cdrom, snapshot, machine->use_scsi,
3725                   IF_DEFAULT, 2, CDROM_OPTS);
3726     default_drive(default_floppy, snapshot, machine->use_scsi,
3727                   IF_FLOPPY, 0, FD_OPTS);
3728     default_drive(default_sdcard, snapshot, machine->use_scsi,
3729                   IF_SD, 0, SD_OPTS);
3730
3731     register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3732
3733     if (nb_numa_nodes > 0) {
3734         int i;
3735
3736         if (nb_numa_nodes > MAX_NODES) {
3737             nb_numa_nodes = MAX_NODES;
3738         }
3739
3740         /* If no memory size if given for any node, assume the default case
3741          * and distribute the available memory equally across all nodes
3742          */
3743         for (i = 0; i < nb_numa_nodes; i++) {
3744             if (node_mem[i] != 0)
3745                 break;
3746         }
3747         if (i == nb_numa_nodes) {
3748             uint64_t usedmem = 0;
3749
3750             /* On Linux, the each node's border has to be 8MB aligned,
3751              * the final node gets the rest.
3752              */
3753             for (i = 0; i < nb_numa_nodes - 1; i++) {
3754                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3755                 usedmem += node_mem[i];
3756             }
3757             node_mem[i] = ram_size - usedmem;
3758         }
3759
3760         for (i = 0; i < nb_numa_nodes; i++) {
3761             if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3762                 break;
3763             }
3764         }
3765         /* assigning the VCPUs round-robin is easier to implement, guest OSes
3766          * must cope with this anyway, because there are BIOSes out there in
3767          * real machines which also use this scheme.
3768          */
3769         if (i == nb_numa_nodes) {
3770             for (i = 0; i < max_cpus; i++) {
3771                 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3772             }
3773         }
3774     }
3775
3776     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3777         exit(1);
3778     }
3779
3780     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3781         exit(1);
3782     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3783         exit(1);
3784     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3785         exit(1);
3786     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3787         exit(1);
3788
3789     /* If no default VGA is requested, the default is "none".  */
3790     if (default_vga) {
3791         if (cirrus_vga_available()) {
3792             vga_model = "cirrus";
3793         } else if (vga_available()) {
3794             vga_model = "std";
3795         }
3796     }
3797     select_vgahw(vga_model);
3798
3799     if (watchdog) {
3800         i = select_watchdog(watchdog);
3801         if (i > 0)
3802             exit (i == 1 ? 1 : 0);
3803     }
3804
3805     if (machine->compat_props) {
3806         qdev_prop_register_global_list(machine->compat_props);
3807     }
3808     qemu_add_globals();
3809
3810     qdev_machine_init();
3811
3812     QEMUMachineInitArgs args = { .ram_size = ram_size,
3813                                  .boot_device = boot_devices,
3814                                  .kernel_filename = kernel_filename,
3815                                  .kernel_cmdline = kernel_cmdline,
3816                                  .initrd_filename = initrd_filename,
3817                                  .cpu_model = cpu_model };
3818     machine->init(&args);
3819
3820     cpu_synchronize_all_post_init();
3821
3822     set_numa_modes();
3823
3824     current_machine = machine;
3825
3826     /* init USB devices */
3827     if (usb_enabled(false)) {
3828         if (foreach_device_config(DEV_USB, usb_parse) < 0)
3829             exit(1);
3830     }
3831
3832     /* init generic devices */
3833     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3834         exit(1);
3835
3836     net_check_clients();
3837
3838     /* just use the first displaystate for the moment */
3839     ds = get_displaystate();
3840
3841     if (using_spice)
3842         display_remote++;
3843     if (display_type == DT_DEFAULT && !display_remote) {
3844 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3845         display_type = DT_SDL;
3846 #elif defined(CONFIG_VNC)
3847         vnc_display = "localhost:0,to=99";
3848         show_vnc_port = 1;
3849 #else
3850         display_type = DT_NONE;
3851 #endif
3852     }
3853
3854
3855     /* init local displays */
3856     switch (display_type) {
3857     case DT_NOGRAPHIC:
3858         break;
3859 #if defined(CONFIG_CURSES)
3860     case DT_CURSES:
3861         if (!is_daemonized()) {
3862             curses_display_init(ds, full_screen);
3863         }
3864         break;
3865 #endif
3866 #if defined(CONFIG_SDL)
3867     case DT_SDL:
3868         sdl_display_init(ds, full_screen, no_frame);
3869         break;
3870 #elif defined(CONFIG_COCOA)
3871     case DT_SDL:
3872         cocoa_display_init(ds, full_screen);
3873         break;
3874 #endif
3875     default:
3876         break;
3877     }
3878
3879     /* must be after terminal init, SDL library changes signal handlers */
3880     os_setup_signal_handling();
3881
3882 #ifdef CONFIG_VNC
3883     /* init remote displays */
3884     if (vnc_display) {
3885         Error *local_err = NULL;
3886         vnc_display_init(ds);
3887         vnc_display_open(ds, vnc_display, &local_err);
3888         if (local_err != NULL) {
3889             fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3890                     vnc_display, error_get_pretty(local_err));
3891             error_free(local_err);
3892             exit(1);
3893         }
3894
3895         if (show_vnc_port) {
3896             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3897         }
3898     }
3899 #endif
3900 #ifdef CONFIG_SPICE
3901     if (using_spice && !qxl_enabled) {
3902         qemu_spice_display_init(ds);
3903     }
3904 #endif
3905
3906     /* display setup */
3907     text_consoles_set_display(ds);
3908
3909     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3910         exit(1);
3911     }
3912
3913     qdev_machine_creation_done();
3914
3915     if (rom_load_all() != 0) {
3916         fprintf(stderr, "rom loading failed\n");
3917         exit(1);
3918     }
3919
3920     /* TODO: once all bus devices are qdevified, this should be done
3921      * when bus is created by qdev.c */
3922     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3923     qemu_run_machine_init_done_notifiers();
3924
3925     qemu_system_reset(VMRESET_SILENT);
3926     if (loadvm) {
3927         if (load_vmstate(loadvm) < 0) {
3928             autostart = 0;
3929         }
3930     }
3931
3932     if (incoming) {
3933         Error *local_err = NULL;
3934         qemu_start_incoming_migration(incoming, &local_err);
3935         if (local_err) {
3936             fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3937             error_free(local_err);
3938             exit(1);
3939         }
3940     } else if (autostart) {
3941         vm_start();
3942     }
3943
3944     os_setup_post();
3945
3946     resume_all_vcpus();
3947     main_loop();
3948     bdrv_close_all();
3949     pause_all_vcpus();
3950     net_cleanup();
3951     res_free();
3952
3953     return 0;
3954 }