File:  [Qemu by Fabrice Bellard] / qemu / vl.c
Revision 1.1.1.22 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 19:33:29 2018 UTC (3 years, 5 months ago) by root
Branches: qemu, MAIN
CVS tags: qemu1101, HEAD
qemu 1.1.1

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

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