File:  [Qemu by Fabrice Bellard] / qemu / vl.c
Revision 1.1.1.21 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 19:16:33 2018 UTC (3 years, 1 month ago) by root
Branches: qemu, MAIN
CVS tags: qemu1001, HEAD
qemu 1.0.1

    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: 
  156: #include "disas.h"
  157: 
  158: #include "qemu_socket.h"
  159: 
  160: #include "slirp/libslirp.h"
  161: 
  162: #include "trace.h"
  163: #include "trace/control.h"
  164: #include "qemu-queue.h"
  165: #include "cpus.h"
  166: #include "arch_init.h"
  167: 
  168: #include "ui/qemu-spice.h"
  169: 
  170: //#define DEBUG_NET
  171: //#define DEBUG_SLIRP
  172: 
  173: #define DEFAULT_RAM_SIZE 128
  174: 
  175: #define MAX_VIRTIO_CONSOLES 1
  176: 
  177: static const char *data_dir;
  178: const char *bios_name = NULL;
  179: enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
  180: DisplayType display_type = DT_DEFAULT;
  181: int display_remote = 0;
  182: const char* keyboard_layout = NULL;
  183: ram_addr_t ram_size;
  184: const char *mem_path = NULL;
  185: #ifdef MAP_POPULATE
  186: int mem_prealloc = 0; /* force preallocation of physical target memory */
  187: #endif
  188: int nb_nics;
  189: NICInfo nd_table[MAX_NICS];
  190: int autostart;
  191: static int rtc_utc = 1;
  192: static int rtc_date_offset = -1; /* -1 means no change */
  193: QEMUClock *rtc_clock;
  194: int vga_interface_type = VGA_NONE;
  195: static int full_screen = 0;
  196: #ifdef CONFIG_SDL
  197: static int no_frame = 0;
  198: #endif
  199: int no_quit = 0;
  200: CharDriverState *serial_hds[MAX_SERIAL_PORTS];
  201: CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
  202: CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
  203: int win2k_install_hack = 0;
  204: int rtc_td_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: uint8_t irq0override = 1;
  222: const char *watchdog;
  223: QEMUOptionRom option_rom[MAX_OPTION_ROMS];
  224: int nb_option_roms;
  225: int semihosting_enabled = 0;
  226: int old_param = 0;
  227: const char *qemu_name;
  228: int alt_grab = 0;
  229: int ctrl_grab = 0;
  230: unsigned int nb_prom_envs = 0;
  231: const char *prom_envs[MAX_PROM_ENVS];
  232: int boot_menu;
  233: uint8_t *boot_splash_filedata;
  234: int boot_splash_filedata_size;
  235: uint8_t qemu_extra_params_fw[2];
  236: 
  237: typedef struct FWBootEntry FWBootEntry;
  238: 
  239: struct FWBootEntry {
  240:     QTAILQ_ENTRY(FWBootEntry) link;
  241:     int32_t bootindex;
  242:     DeviceState *dev;
  243:     char *suffix;
  244: };
  245: 
  246: QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
  247: 
  248: int nb_numa_nodes;
  249: uint64_t node_mem[MAX_NODES];
  250: uint64_t node_cpumask[MAX_NODES];
  251: 
  252: uint8_t qemu_uuid[16];
  253: 
  254: static QEMUBootSetHandler *boot_set_handler;
  255: static void *boot_set_opaque;
  256: 
  257: static NotifierList exit_notifiers =
  258:     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
  259: 
  260: static NotifierList machine_init_done_notifiers =
  261:     NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
  262: 
  263: static int tcg_allowed = 1;
  264: int kvm_allowed = 0;
  265: int xen_allowed = 0;
  266: uint32_t xen_domid;
  267: enum xen_mode xen_mode = XEN_EMULATE;
  268: static int tcg_tb_size;
  269: 
  270: static int default_serial = 1;
  271: static int default_parallel = 1;
  272: static int default_virtcon = 1;
  273: static int default_monitor = 1;
  274: static int default_vga = 1;
  275: static int default_floppy = 1;
  276: static int default_cdrom = 1;
  277: static int default_sdcard = 1;
  278: 
  279: static struct {
  280:     const char *driver;
  281:     int *flag;
  282: } default_list[] = {
  283:     { .driver = "isa-serial",           .flag = &default_serial    },
  284:     { .driver = "isa-parallel",         .flag = &default_parallel  },
  285:     { .driver = "isa-fdc",              .flag = &default_floppy    },
  286:     { .driver = "ide-cd",               .flag = &default_cdrom     },
  287:     { .driver = "ide-hd",               .flag = &default_cdrom     },
  288:     { .driver = "ide-drive",            .flag = &default_cdrom     },
  289:     { .driver = "scsi-cd",              .flag = &default_cdrom     },
  290:     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
  291:     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
  292:     { .driver = "virtio-serial",        .flag = &default_virtcon   },
  293:     { .driver = "VGA",                  .flag = &default_vga       },
  294:     { .driver = "cirrus-vga",           .flag = &default_vga       },
  295:     { .driver = "vmware-svga",          .flag = &default_vga       },
  296:     { .driver = "isa-vga",              .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_WATCHDOG, RUN_STATE_RUNNING },
  377:     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
  378: 
  379:     { RUN_STATE_MAX, RUN_STATE_MAX },
  380: };
  381: 
  382: static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
  383: 
  384: bool runstate_check(RunState state)
  385: {
  386:     return current_run_state == state;
  387: }
  388: 
  389: void runstate_init(void)
  390: {
  391:     const RunStateTransition *p;
  392: 
  393:     memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
  394: 
  395:     for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
  396:         runstate_valid_transitions[p->from][p->to] = true;
  397:     }
  398: }
  399: 
  400: /* This function will abort() on invalid state transitions */
  401: void runstate_set(RunState new_state)
  402: {
  403:     assert(new_state < RUN_STATE_MAX);
  404: 
  405:     if (!runstate_valid_transitions[current_run_state][new_state]) {
  406:         fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
  407:                 RunState_lookup[current_run_state],
  408:                 RunState_lookup[new_state]);
  409:         abort();
  410:     }
  411: 
  412:     current_run_state = new_state;
  413: }
  414: 
  415: int runstate_is_running(void)
  416: {
  417:     return runstate_check(RUN_STATE_RUNNING);
  418: }
  419: 
  420: StatusInfo *qmp_query_status(Error **errp)
  421: {
  422:     StatusInfo *info = g_malloc0(sizeof(*info));
  423: 
  424:     info->running = runstate_is_running();
  425:     info->singlestep = singlestep;
  426:     info->status = current_run_state;
  427: 
  428:     return info;
  429: }
  430: 
  431: /***********************************************************/
  432: /* real time host monotonic timer */
  433: 
  434: /***********************************************************/
  435: /* host time/date access */
  436: void qemu_get_timedate(struct tm *tm, int offset)
  437: {
  438:     time_t ti;
  439:     struct tm *ret;
  440: 
  441:     time(&ti);
  442:     ti += offset;
  443:     if (rtc_date_offset == -1) {
  444:         if (rtc_utc)
  445:             ret = gmtime(&ti);
  446:         else
  447:             ret = localtime(&ti);
  448:     } else {
  449:         ti -= rtc_date_offset;
  450:         ret = gmtime(&ti);
  451:     }
  452: 
  453:     memcpy(tm, ret, sizeof(struct tm));
  454: }
  455: 
  456: int qemu_timedate_diff(struct tm *tm)
  457: {
  458:     time_t seconds;
  459: 
  460:     if (rtc_date_offset == -1)
  461:         if (rtc_utc)
  462:             seconds = mktimegm(tm);
  463:         else {
  464:             struct tm tmp = *tm;
  465:             tmp.tm_isdst = -1; /* use timezone to figure it out */
  466:             seconds = mktime(&tmp);
  467: 	}
  468:     else
  469:         seconds = mktimegm(tm) + rtc_date_offset;
  470: 
  471:     return seconds - time(NULL);
  472: }
  473: 
  474: void rtc_change_mon_event(struct tm *tm)
  475: {
  476:     QObject *data;
  477: 
  478:     data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
  479:     monitor_protocol_event(QEVENT_RTC_CHANGE, data);
  480:     qobject_decref(data);
  481: }
  482: 
  483: static void configure_rtc_date_offset(const char *startdate, int legacy)
  484: {
  485:     time_t rtc_start_date;
  486:     struct tm tm;
  487: 
  488:     if (!strcmp(startdate, "now") && legacy) {
  489:         rtc_date_offset = -1;
  490:     } else {
  491:         if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
  492:                    &tm.tm_year,
  493:                    &tm.tm_mon,
  494:                    &tm.tm_mday,
  495:                    &tm.tm_hour,
  496:                    &tm.tm_min,
  497:                    &tm.tm_sec) == 6) {
  498:             /* OK */
  499:         } else if (sscanf(startdate, "%d-%d-%d",
  500:                           &tm.tm_year,
  501:                           &tm.tm_mon,
  502:                           &tm.tm_mday) == 3) {
  503:             tm.tm_hour = 0;
  504:             tm.tm_min = 0;
  505:             tm.tm_sec = 0;
  506:         } else {
  507:             goto date_fail;
  508:         }
  509:         tm.tm_year -= 1900;
  510:         tm.tm_mon--;
  511:         rtc_start_date = mktimegm(&tm);
  512:         if (rtc_start_date == -1) {
  513:         date_fail:
  514:             fprintf(stderr, "Invalid date format. Valid formats are:\n"
  515:                             "'2006-06-17T16:01:21' or '2006-06-17'\n");
  516:             exit(1);
  517:         }
  518:         rtc_date_offset = time(NULL) - rtc_start_date;
  519:     }
  520: }
  521: 
  522: static void configure_rtc(QemuOpts *opts)
  523: {
  524:     const char *value;
  525: 
  526:     value = qemu_opt_get(opts, "base");
  527:     if (value) {
  528:         if (!strcmp(value, "utc")) {
  529:             rtc_utc = 1;
  530:         } else if (!strcmp(value, "localtime")) {
  531:             rtc_utc = 0;
  532:         } else {
  533:             configure_rtc_date_offset(value, 0);
  534:         }
  535:     }
  536:     value = qemu_opt_get(opts, "clock");
  537:     if (value) {
  538:         if (!strcmp(value, "host")) {
  539:             rtc_clock = host_clock;
  540:         } else if (!strcmp(value, "vm")) {
  541:             rtc_clock = vm_clock;
  542:         } else {
  543:             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
  544:             exit(1);
  545:         }
  546:     }
  547:     value = qemu_opt_get(opts, "driftfix");
  548:     if (value) {
  549:         if (!strcmp(value, "slew")) {
  550:             rtc_td_hack = 1;
  551:         } else if (!strcmp(value, "none")) {
  552:             rtc_td_hack = 0;
  553:         } else {
  554:             fprintf(stderr, "qemu: invalid option value '%s'\n", value);
  555:             exit(1);
  556:         }
  557:     }
  558: }
  559: 
  560: /***********************************************************/
  561: /* Bluetooth support */
  562: static int nb_hcis;
  563: static int cur_hci;
  564: static struct HCIInfo *hci_table[MAX_NICS];
  565: 
  566: static struct bt_vlan_s {
  567:     struct bt_scatternet_s net;
  568:     int id;
  569:     struct bt_vlan_s *next;
  570: } *first_bt_vlan;
  571: 
  572: /* find or alloc a new bluetooth "VLAN" */
  573: static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
  574: {
  575:     struct bt_vlan_s **pvlan, *vlan;
  576:     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
  577:         if (vlan->id == id)
  578:             return &vlan->net;
  579:     }
  580:     vlan = g_malloc0(sizeof(struct bt_vlan_s));
  581:     vlan->id = id;
  582:     pvlan = &first_bt_vlan;
  583:     while (*pvlan != NULL)
  584:         pvlan = &(*pvlan)->next;
  585:     *pvlan = vlan;
  586:     return &vlan->net;
  587: }
  588: 
  589: static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
  590: {
  591: }
  592: 
  593: static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
  594: {
  595:     return -ENOTSUP;
  596: }
  597: 
  598: static struct HCIInfo null_hci = {
  599:     .cmd_send = null_hci_send,
  600:     .sco_send = null_hci_send,
  601:     .acl_send = null_hci_send,
  602:     .bdaddr_set = null_hci_addr_set,
  603: };
  604: 
  605: struct HCIInfo *qemu_next_hci(void)
  606: {
  607:     if (cur_hci == nb_hcis)
  608:         return &null_hci;
  609: 
  610:     return hci_table[cur_hci++];
  611: }
  612: 
  613: static struct HCIInfo *hci_init(const char *str)
  614: {
  615:     char *endp;
  616:     struct bt_scatternet_s *vlan = 0;
  617: 
  618:     if (!strcmp(str, "null"))
  619:         /* null */
  620:         return &null_hci;
  621:     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
  622:         /* host[:hciN] */
  623:         return bt_host_hci(str[4] ? str + 5 : "hci0");
  624:     else if (!strncmp(str, "hci", 3)) {
  625:         /* hci[,vlan=n] */
  626:         if (str[3]) {
  627:             if (!strncmp(str + 3, ",vlan=", 6)) {
  628:                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
  629:                 if (*endp)
  630:                     vlan = 0;
  631:             }
  632:         } else
  633:             vlan = qemu_find_bt_vlan(0);
  634:         if (vlan)
  635:            return bt_new_hci(vlan);
  636:     }
  637: 
  638:     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
  639: 
  640:     return 0;
  641: }
  642: 
  643: static int bt_hci_parse(const char *str)
  644: {
  645:     struct HCIInfo *hci;
  646:     bdaddr_t bdaddr;
  647: 
  648:     if (nb_hcis >= MAX_NICS) {
  649:         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
  650:         return -1;
  651:     }
  652: 
  653:     hci = hci_init(str);
  654:     if (!hci)
  655:         return -1;
  656: 
  657:     bdaddr.b[0] = 0x52;
  658:     bdaddr.b[1] = 0x54;
  659:     bdaddr.b[2] = 0x00;
  660:     bdaddr.b[3] = 0x12;
  661:     bdaddr.b[4] = 0x34;
  662:     bdaddr.b[5] = 0x56 + nb_hcis;
  663:     hci->bdaddr_set(hci, bdaddr.b);
  664: 
  665:     hci_table[nb_hcis++] = hci;
  666: 
  667:     return 0;
  668: }
  669: 
  670: static void bt_vhci_add(int vlan_id)
  671: {
  672:     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
  673: 
  674:     if (!vlan->slave)
  675:         fprintf(stderr, "qemu: warning: adding a VHCI to "
  676:                         "an empty scatternet %i\n", vlan_id);
  677: 
  678:     bt_vhci_init(bt_new_hci(vlan));
  679: }
  680: 
  681: static struct bt_device_s *bt_device_add(const char *opt)
  682: {
  683:     struct bt_scatternet_s *vlan;
  684:     int vlan_id = 0;
  685:     char *endp = strstr(opt, ",vlan=");
  686:     int len = (endp ? endp - opt : strlen(opt)) + 1;
  687:     char devname[10];
  688: 
  689:     pstrcpy(devname, MIN(sizeof(devname), len), opt);
  690: 
  691:     if (endp) {
  692:         vlan_id = strtol(endp + 6, &endp, 0);
  693:         if (*endp) {
  694:             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
  695:             return 0;
  696:         }
  697:     }
  698: 
  699:     vlan = qemu_find_bt_vlan(vlan_id);
  700: 
  701:     if (!vlan->slave)
  702:         fprintf(stderr, "qemu: warning: adding a slave device to "
  703:                         "an empty scatternet %i\n", vlan_id);
  704: 
  705:     if (!strcmp(devname, "keyboard"))
  706:         return bt_keyboard_init(vlan);
  707: 
  708:     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
  709:     return 0;
  710: }
  711: 
  712: static int bt_parse(const char *opt)
  713: {
  714:     const char *endp, *p;
  715:     int vlan;
  716: 
  717:     if (strstart(opt, "hci", &endp)) {
  718:         if (!*endp || *endp == ',') {
  719:             if (*endp)
  720:                 if (!strstart(endp, ",vlan=", 0))
  721:                     opt = endp + 1;
  722: 
  723:             return bt_hci_parse(opt);
  724:        }
  725:     } else if (strstart(opt, "vhci", &endp)) {
  726:         if (!*endp || *endp == ',') {
  727:             if (*endp) {
  728:                 if (strstart(endp, ",vlan=", &p)) {
  729:                     vlan = strtol(p, (char **) &endp, 0);
  730:                     if (*endp) {
  731:                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
  732:                         return 1;
  733:                     }
  734:                 } else {
  735:                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
  736:                     return 1;
  737:                 }
  738:             } else
  739:                 vlan = 0;
  740: 
  741:             bt_vhci_add(vlan);
  742:             return 0;
  743:         }
  744:     } else if (strstart(opt, "device:", &endp))
  745:         return !bt_device_add(endp);
  746: 
  747:     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
  748:     return 1;
  749: }
  750: 
  751: /***********************************************************/
  752: /* QEMU Block devices */
  753: 
  754: #define HD_OPTS "media=disk"
  755: #define CDROM_OPTS "media=cdrom"
  756: #define FD_OPTS ""
  757: #define PFLASH_OPTS ""
  758: #define MTD_OPTS ""
  759: #define SD_OPTS ""
  760: 
  761: static int drive_init_func(QemuOpts *opts, void *opaque)
  762: {
  763:     int *use_scsi = opaque;
  764: 
  765:     return drive_init(opts, *use_scsi) == NULL;
  766: }
  767: 
  768: static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
  769: {
  770:     if (NULL == qemu_opt_get(opts, "snapshot")) {
  771:         qemu_opt_set(opts, "snapshot", "on");
  772:     }
  773:     return 0;
  774: }
  775: 
  776: static void default_drive(int enable, int snapshot, int use_scsi,
  777:                           BlockInterfaceType type, int index,
  778:                           const char *optstr)
  779: {
  780:     QemuOpts *opts;
  781: 
  782:     if (type == IF_DEFAULT) {
  783:         type = use_scsi ? IF_SCSI : IF_IDE;
  784:     }
  785: 
  786:     if (!enable || drive_get_by_index(type, index)) {
  787:         return;
  788:     }
  789: 
  790:     opts = drive_add(type, index, NULL, optstr);
  791:     if (snapshot) {
  792:         drive_enable_snapshot(opts, NULL);
  793:     }
  794:     if (!drive_init(opts, use_scsi)) {
  795:         exit(1);
  796:     }
  797: }
  798: 
  799: void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
  800: {
  801:     boot_set_handler = func;
  802:     boot_set_opaque = opaque;
  803: }
  804: 
  805: int qemu_boot_set(const char *boot_devices)
  806: {
  807:     if (!boot_set_handler) {
  808:         return -EINVAL;
  809:     }
  810:     return boot_set_handler(boot_set_opaque, boot_devices);
  811: }
  812: 
  813: static void validate_bootdevices(char *devices)
  814: {
  815:     /* We just do some generic consistency checks */
  816:     const char *p;
  817:     int bitmap = 0;
  818: 
  819:     for (p = devices; *p != '\0'; p++) {
  820:         /* Allowed boot devices are:
  821:          * a-b: floppy disk drives
  822:          * c-f: IDE disk drives
  823:          * g-m: machine implementation dependant drives
  824:          * n-p: network devices
  825:          * It's up to each machine implementation to check if the given boot
  826:          * devices match the actual hardware implementation and firmware
  827:          * features.
  828:          */
  829:         if (*p < 'a' || *p > 'p') {
  830:             fprintf(stderr, "Invalid boot device '%c'\n", *p);
  831:             exit(1);
  832:         }
  833:         if (bitmap & (1 << (*p - 'a'))) {
  834:             fprintf(stderr, "Boot device '%c' was given twice\n", *p);
  835:             exit(1);
  836:         }
  837:         bitmap |= 1 << (*p - 'a');
  838:     }
  839: }
  840: 
  841: static void restore_boot_devices(void *opaque)
  842: {
  843:     char *standard_boot_devices = opaque;
  844:     static int first = 1;
  845: 
  846:     /* Restore boot order and remove ourselves after the first boot */
  847:     if (first) {
  848:         first = 0;
  849:         return;
  850:     }
  851: 
  852:     qemu_boot_set(standard_boot_devices);
  853: 
  854:     qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
  855:     g_free(standard_boot_devices);
  856: }
  857: 
  858: void add_boot_device_path(int32_t bootindex, DeviceState *dev,
  859:                           const char *suffix)
  860: {
  861:     FWBootEntry *node, *i;
  862: 
  863:     if (bootindex < 0) {
  864:         return;
  865:     }
  866: 
  867:     assert(dev != NULL || suffix != NULL);
  868: 
  869:     node = g_malloc0(sizeof(FWBootEntry));
  870:     node->bootindex = bootindex;
  871:     node->suffix = suffix ? g_strdup(suffix) : NULL;
  872:     node->dev = dev;
  873: 
  874:     QTAILQ_FOREACH(i, &fw_boot_order, link) {
  875:         if (i->bootindex == bootindex) {
  876:             fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
  877:             exit(1);
  878:         } else if (i->bootindex < bootindex) {
  879:             continue;
  880:         }
  881:         QTAILQ_INSERT_BEFORE(i, node, link);
  882:         return;
  883:     }
  884:     QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
  885: }
  886: 
  887: /*
  888:  * This function returns null terminated string that consist of new line
  889:  * separated device paths.
  890:  *
  891:  * memory pointed by "size" is assigned total length of the array in bytes
  892:  *
  893:  */
  894: char *get_boot_devices_list(uint32_t *size)
  895: {
  896:     FWBootEntry *i;
  897:     uint32_t total = 0;
  898:     char *list = NULL;
  899: 
  900:     QTAILQ_FOREACH(i, &fw_boot_order, link) {
  901:         char *devpath = NULL, *bootpath;
  902:         int len;
  903: 
  904:         if (i->dev) {
  905:             devpath = qdev_get_fw_dev_path(i->dev);
  906:             assert(devpath);
  907:         }
  908: 
  909:         if (i->suffix && devpath) {
  910:             size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
  911: 
  912:             bootpath = g_malloc(bootpathlen);
  913:             snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
  914:             g_free(devpath);
  915:         } else if (devpath) {
  916:             bootpath = devpath;
  917:         } else {
  918:             assert(i->suffix);
  919:             bootpath = g_strdup(i->suffix);
  920:         }
  921: 
  922:         if (total) {
  923:             list[total-1] = '\n';
  924:         }
  925:         len = strlen(bootpath) + 1;
  926:         list = g_realloc(list, total + len);
  927:         memcpy(&list[total], bootpath, len);
  928:         total += len;
  929:         g_free(bootpath);
  930:     }
  931: 
  932:     *size = total;
  933: 
  934:     return list;
  935: }
  936: 
  937: static void numa_add(const char *optarg)
  938: {
  939:     char option[128];
  940:     char *endptr;
  941:     unsigned long long value, endvalue;
  942:     int nodenr;
  943: 
  944:     optarg = get_opt_name(option, 128, optarg, ',') + 1;
  945:     if (!strcmp(option, "node")) {
  946:         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
  947:             nodenr = nb_numa_nodes;
  948:         } else {
  949:             nodenr = strtoull(option, NULL, 10);
  950:         }
  951: 
  952:         if (get_param_value(option, 128, "mem", optarg) == 0) {
  953:             node_mem[nodenr] = 0;
  954:         } else {
  955:             int64_t sval;
  956:             sval = strtosz(option, &endptr);
  957:             if (sval < 0 || *endptr) {
  958:                 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
  959:                 exit(1);
  960:             }
  961:             node_mem[nodenr] = sval;
  962:         }
  963:         if (get_param_value(option, 128, "cpus", optarg) == 0) {
  964:             node_cpumask[nodenr] = 0;
  965:         } else {
  966:             value = strtoull(option, &endptr, 10);
  967:             if (value >= 64) {
  968:                 value = 63;
  969:                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
  970:             } else {
  971:                 if (*endptr == '-') {
  972:                     endvalue = strtoull(endptr+1, &endptr, 10);
  973:                     if (endvalue >= 63) {
  974:                         endvalue = 62;
  975:                         fprintf(stderr,
  976:                             "only 63 CPUs in NUMA mode supported.\n");
  977:                     }
  978:                     value = (2ULL << endvalue) - (1ULL << value);
  979:                 } else {
  980:                     value = 1ULL << value;
  981:                 }
  982:             }
  983:             node_cpumask[nodenr] = value;
  984:         }
  985:         nb_numa_nodes++;
  986:     }
  987:     return;
  988: }
  989: 
  990: static void smp_parse(const char *optarg)
  991: {
  992:     int smp, sockets = 0, threads = 0, cores = 0;
  993:     char *endptr;
  994:     char option[128];
  995: 
  996:     smp = strtoul(optarg, &endptr, 10);
  997:     if (endptr != optarg) {
  998:         if (*endptr == ',') {
  999:             endptr++;
 1000:         }
 1001:     }
 1002:     if (get_param_value(option, 128, "sockets", endptr) != 0)
 1003:         sockets = strtoull(option, NULL, 10);
 1004:     if (get_param_value(option, 128, "cores", endptr) != 0)
 1005:         cores = strtoull(option, NULL, 10);
 1006:     if (get_param_value(option, 128, "threads", endptr) != 0)
 1007:         threads = strtoull(option, NULL, 10);
 1008:     if (get_param_value(option, 128, "maxcpus", endptr) != 0)
 1009:         max_cpus = strtoull(option, NULL, 10);
 1010: 
 1011:     /* compute missing values, prefer sockets over cores over threads */
 1012:     if (smp == 0 || sockets == 0) {
 1013:         sockets = sockets > 0 ? sockets : 1;
 1014:         cores = cores > 0 ? cores : 1;
 1015:         threads = threads > 0 ? threads : 1;
 1016:         if (smp == 0) {
 1017:             smp = cores * threads * sockets;
 1018:         }
 1019:     } else {
 1020:         if (cores == 0) {
 1021:             threads = threads > 0 ? threads : 1;
 1022:             cores = smp / (sockets * threads);
 1023:         } else {
 1024:             threads = smp / (cores * sockets);
 1025:         }
 1026:     }
 1027:     smp_cpus = smp;
 1028:     smp_cores = cores > 0 ? cores : 1;
 1029:     smp_threads = threads > 0 ? threads : 1;
 1030:     if (max_cpus == 0)
 1031:         max_cpus = smp_cpus;
 1032: }
 1033: 
 1034: /***********************************************************/
 1035: /* USB devices */
 1036: 
 1037: static int usb_device_add(const char *devname)
 1038: {
 1039:     const char *p;
 1040:     USBDevice *dev = NULL;
 1041: 
 1042:     if (!usb_enabled)
 1043:         return -1;
 1044: 
 1045:     /* drivers with .usbdevice_name entry in USBDeviceInfo */
 1046:     dev = usbdevice_create(devname);
 1047:     if (dev)
 1048:         goto done;
 1049: 
 1050:     /* the other ones */
 1051: #ifndef CONFIG_LINUX
 1052:     /* only the linux version is qdev-ified, usb-bsd still needs this */
 1053:     if (strstart(devname, "host:", &p)) {
 1054:         dev = usb_host_device_open(p);
 1055:     } else
 1056: #endif
 1057:     if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
 1058:         dev = usb_bt_init(devname[2] ? hci_init(p) :
 1059:                         bt_new_hci(qemu_find_bt_vlan(0)));
 1060:     } else {
 1061:         return -1;
 1062:     }
 1063:     if (!dev)
 1064:         return -1;
 1065: 
 1066: done:
 1067:     return 0;
 1068: }
 1069: 
 1070: static int usb_device_del(const char *devname)
 1071: {
 1072:     int bus_num, addr;
 1073:     const char *p;
 1074: 
 1075:     if (strstart(devname, "host:", &p))
 1076:         return usb_host_device_close(p);
 1077: 
 1078:     if (!usb_enabled)
 1079:         return -1;
 1080: 
 1081:     p = strchr(devname, '.');
 1082:     if (!p)
 1083:         return -1;
 1084:     bus_num = strtoul(devname, NULL, 0);
 1085:     addr = strtoul(p + 1, NULL, 0);
 1086: 
 1087:     return usb_device_delete_addr(bus_num, addr);
 1088: }
 1089: 
 1090: static int usb_parse(const char *cmdline)
 1091: {
 1092:     int r;
 1093:     r = usb_device_add(cmdline);
 1094:     if (r < 0) {
 1095:         fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
 1096:     }
 1097:     return r;
 1098: }
 1099: 
 1100: void do_usb_add(Monitor *mon, const QDict *qdict)
 1101: {
 1102:     const char *devname = qdict_get_str(qdict, "devname");
 1103:     if (usb_device_add(devname) < 0) {
 1104:         error_report("could not add USB device '%s'", devname);
 1105:     }
 1106: }
 1107: 
 1108: void do_usb_del(Monitor *mon, const QDict *qdict)
 1109: {
 1110:     const char *devname = qdict_get_str(qdict, "devname");
 1111:     if (usb_device_del(devname) < 0) {
 1112:         error_report("could not delete USB device '%s'", devname);
 1113:     }
 1114: }
 1115: 
 1116: /***********************************************************/
 1117: /* PCMCIA/Cardbus */
 1118: 
 1119: static struct pcmcia_socket_entry_s {
 1120:     PCMCIASocket *socket;
 1121:     struct pcmcia_socket_entry_s *next;
 1122: } *pcmcia_sockets = 0;
 1123: 
 1124: void pcmcia_socket_register(PCMCIASocket *socket)
 1125: {
 1126:     struct pcmcia_socket_entry_s *entry;
 1127: 
 1128:     entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
 1129:     entry->socket = socket;
 1130:     entry->next = pcmcia_sockets;
 1131:     pcmcia_sockets = entry;
 1132: }
 1133: 
 1134: void pcmcia_socket_unregister(PCMCIASocket *socket)
 1135: {
 1136:     struct pcmcia_socket_entry_s *entry, **ptr;
 1137: 
 1138:     ptr = &pcmcia_sockets;
 1139:     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
 1140:         if (entry->socket == socket) {
 1141:             *ptr = entry->next;
 1142:             g_free(entry);
 1143:         }
 1144: }
 1145: 
 1146: void pcmcia_info(Monitor *mon)
 1147: {
 1148:     struct pcmcia_socket_entry_s *iter;
 1149: 
 1150:     if (!pcmcia_sockets)
 1151:         monitor_printf(mon, "No PCMCIA sockets\n");
 1152: 
 1153:     for (iter = pcmcia_sockets; iter; iter = iter->next)
 1154:         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
 1155:                        iter->socket->attached ? iter->socket->card_string :
 1156:                        "Empty");
 1157: }
 1158: 
 1159: /***********************************************************/
 1160: /* machine registration */
 1161: 
 1162: static QEMUMachine *first_machine = NULL;
 1163: QEMUMachine *current_machine = NULL;
 1164: 
 1165: int qemu_register_machine(QEMUMachine *m)
 1166: {
 1167:     QEMUMachine **pm;
 1168:     pm = &first_machine;
 1169:     while (*pm != NULL)
 1170:         pm = &(*pm)->next;
 1171:     m->next = NULL;
 1172:     *pm = m;
 1173:     return 0;
 1174: }
 1175: 
 1176: static QEMUMachine *find_machine(const char *name)
 1177: {
 1178:     QEMUMachine *m;
 1179: 
 1180:     for(m = first_machine; m != NULL; m = m->next) {
 1181:         if (!strcmp(m->name, name))
 1182:             return m;
 1183:         if (m->alias && !strcmp(m->alias, name))
 1184:             return m;
 1185:     }
 1186:     return NULL;
 1187: }
 1188: 
 1189: static QEMUMachine *find_default_machine(void)
 1190: {
 1191:     QEMUMachine *m;
 1192: 
 1193:     for(m = first_machine; m != NULL; m = m->next) {
 1194:         if (m->is_default) {
 1195:             return m;
 1196:         }
 1197:     }
 1198:     return NULL;
 1199: }
 1200: 
 1201: /***********************************************************/
 1202: /* main execution loop */
 1203: 
 1204: static void gui_update(void *opaque)
 1205: {
 1206:     uint64_t interval = GUI_REFRESH_INTERVAL;
 1207:     DisplayState *ds = opaque;
 1208:     DisplayChangeListener *dcl = ds->listeners;
 1209: 
 1210:     dpy_refresh(ds);
 1211: 
 1212:     while (dcl != NULL) {
 1213:         if (dcl->gui_timer_interval &&
 1214:             dcl->gui_timer_interval < interval)
 1215:             interval = dcl->gui_timer_interval;
 1216:         dcl = dcl->next;
 1217:     }
 1218:     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
 1219: }
 1220: 
 1221: struct vm_change_state_entry {
 1222:     VMChangeStateHandler *cb;
 1223:     void *opaque;
 1224:     QLIST_ENTRY (vm_change_state_entry) entries;
 1225: };
 1226: 
 1227: static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
 1228: 
 1229: VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
 1230:                                                      void *opaque)
 1231: {
 1232:     VMChangeStateEntry *e;
 1233: 
 1234:     e = g_malloc0(sizeof (*e));
 1235: 
 1236:     e->cb = cb;
 1237:     e->opaque = opaque;
 1238:     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
 1239:     return e;
 1240: }
 1241: 
 1242: void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
 1243: {
 1244:     QLIST_REMOVE (e, entries);
 1245:     g_free (e);
 1246: }
 1247: 
 1248: void vm_state_notify(int running, RunState state)
 1249: {
 1250:     VMChangeStateEntry *e;
 1251: 
 1252:     trace_vm_state_notify(running, state);
 1253: 
 1254:     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
 1255:         e->cb(e->opaque, running, state);
 1256:     }
 1257: }
 1258: 
 1259: void vm_start(void)
 1260: {
 1261:     if (!runstate_is_running()) {
 1262:         cpu_enable_ticks();
 1263:         runstate_set(RUN_STATE_RUNNING);
 1264:         vm_state_notify(1, RUN_STATE_RUNNING);
 1265:         resume_all_vcpus();
 1266:         monitor_protocol_event(QEVENT_RESUME, NULL);
 1267:     }
 1268: }
 1269: 
 1270: /* reset/shutdown handler */
 1271: 
 1272: typedef struct QEMUResetEntry {
 1273:     QTAILQ_ENTRY(QEMUResetEntry) entry;
 1274:     QEMUResetHandler *func;
 1275:     void *opaque;
 1276: } QEMUResetEntry;
 1277: 
 1278: static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
 1279:     QTAILQ_HEAD_INITIALIZER(reset_handlers);
 1280: static int reset_requested;
 1281: static int shutdown_requested, shutdown_signal = -1;
 1282: static pid_t shutdown_pid;
 1283: static int powerdown_requested;
 1284: static int debug_requested;
 1285: static RunState vmstop_requested = RUN_STATE_MAX;
 1286: 
 1287: int qemu_shutdown_requested_get(void)
 1288: {
 1289:     return shutdown_requested;
 1290: }
 1291: 
 1292: int qemu_reset_requested_get(void)
 1293: {
 1294:     return reset_requested;
 1295: }
 1296: 
 1297: int qemu_shutdown_requested(void)
 1298: {
 1299:     int r = shutdown_requested;
 1300:     shutdown_requested = 0;
 1301:     return r;
 1302: }
 1303: 
 1304: void qemu_kill_report(void)
 1305: {
 1306:     if (shutdown_signal != -1) {
 1307:         fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
 1308:         if (shutdown_pid == 0) {
 1309:             /* This happens for eg ^C at the terminal, so it's worth
 1310:              * avoiding printing an odd message in that case.
 1311:              */
 1312:             fputc('\n', stderr);
 1313:         } else {
 1314:             fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
 1315:         }
 1316:         shutdown_signal = -1;
 1317:     }
 1318: }
 1319: 
 1320: int qemu_reset_requested(void)
 1321: {
 1322:     int r = reset_requested;
 1323:     reset_requested = 0;
 1324:     return r;
 1325: }
 1326: 
 1327: int qemu_powerdown_requested(void)
 1328: {
 1329:     int r = powerdown_requested;
 1330:     powerdown_requested = 0;
 1331:     return r;
 1332: }
 1333: 
 1334: static int qemu_debug_requested(void)
 1335: {
 1336:     int r = debug_requested;
 1337:     debug_requested = 0;
 1338:     return r;
 1339: }
 1340: 
 1341: /* We use RUN_STATE_MAX but any invalid value will do */
 1342: static bool qemu_vmstop_requested(RunState *r)
 1343: {
 1344:     if (vmstop_requested < RUN_STATE_MAX) {
 1345:         *r = vmstop_requested;
 1346:         vmstop_requested = RUN_STATE_MAX;
 1347:         return true;
 1348:     }
 1349: 
 1350:     return false;
 1351: }
 1352: 
 1353: void qemu_register_reset(QEMUResetHandler *func, void *opaque)
 1354: {
 1355:     QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
 1356: 
 1357:     re->func = func;
 1358:     re->opaque = opaque;
 1359:     QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
 1360: }
 1361: 
 1362: void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
 1363: {
 1364:     QEMUResetEntry *re;
 1365: 
 1366:     QTAILQ_FOREACH(re, &reset_handlers, entry) {
 1367:         if (re->func == func && re->opaque == opaque) {
 1368:             QTAILQ_REMOVE(&reset_handlers, re, entry);
 1369:             g_free(re);
 1370:             return;
 1371:         }
 1372:     }
 1373: }
 1374: 
 1375: void qemu_system_reset(bool report)
 1376: {
 1377:     QEMUResetEntry *re, *nre;
 1378: 
 1379:     /* reset all devices */
 1380:     QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
 1381:         re->func(re->opaque);
 1382:     }
 1383:     if (report) {
 1384:         monitor_protocol_event(QEVENT_RESET, NULL);
 1385:     }
 1386:     cpu_synchronize_all_post_reset();
 1387: }
 1388: 
 1389: void qemu_system_reset_request(void)
 1390: {
 1391:     if (no_reboot) {
 1392:         shutdown_requested = 1;
 1393:     } else {
 1394:         reset_requested = 1;
 1395:     }
 1396:     cpu_stop_current();
 1397:     qemu_notify_event();
 1398: }
 1399: 
 1400: void qemu_system_killed(int signal, pid_t pid)
 1401: {
 1402:     shutdown_signal = signal;
 1403:     shutdown_pid = pid;
 1404:     no_shutdown = 0;
 1405:     qemu_system_shutdown_request();
 1406: }
 1407: 
 1408: void qemu_system_shutdown_request(void)
 1409: {
 1410:     shutdown_requested = 1;
 1411:     qemu_notify_event();
 1412: }
 1413: 
 1414: void qemu_system_powerdown_request(void)
 1415: {
 1416:     powerdown_requested = 1;
 1417:     qemu_notify_event();
 1418: }
 1419: 
 1420: void qemu_system_debug_request(void)
 1421: {
 1422:     debug_requested = 1;
 1423:     qemu_notify_event();
 1424: }
 1425: 
 1426: void qemu_system_vmstop_request(RunState state)
 1427: {
 1428:     vmstop_requested = state;
 1429:     qemu_notify_event();
 1430: }
 1431: 
 1432: qemu_irq qemu_system_powerdown;
 1433: 
 1434: static bool main_loop_should_exit(void)
 1435: {
 1436:     RunState r;
 1437:     if (qemu_debug_requested()) {
 1438:         vm_stop(RUN_STATE_DEBUG);
 1439:     }
 1440:     if (qemu_shutdown_requested()) {
 1441:         qemu_kill_report();
 1442:         monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
 1443:         if (no_shutdown) {
 1444:             vm_stop(RUN_STATE_SHUTDOWN);
 1445:         } else {
 1446:             return true;
 1447:         }
 1448:     }
 1449:     if (qemu_reset_requested()) {
 1450:         pause_all_vcpus();
 1451:         cpu_synchronize_all_states();
 1452:         qemu_system_reset(VMRESET_REPORT);
 1453:         resume_all_vcpus();
 1454:         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
 1455:             runstate_check(RUN_STATE_SHUTDOWN)) {
 1456:             runstate_set(RUN_STATE_PAUSED);
 1457:         }
 1458:     }
 1459:     if (qemu_powerdown_requested()) {
 1460:         monitor_protocol_event(QEVENT_POWERDOWN, NULL);
 1461:         qemu_irq_raise(qemu_system_powerdown);
 1462:     }
 1463:     if (qemu_vmstop_requested(&r)) {
 1464:         vm_stop(r);
 1465:     }
 1466:     return false;
 1467: }
 1468: 
 1469: static void main_loop(void)
 1470: {
 1471:     bool nonblocking;
 1472:     int last_io = 0;
 1473: #ifdef CONFIG_PROFILER
 1474:     int64_t ti;
 1475: #endif
 1476:     do {
 1477:         nonblocking = !kvm_enabled() && last_io > 0;
 1478: #ifdef CONFIG_PROFILER
 1479:         ti = profile_getclock();
 1480: #endif
 1481:         last_io = main_loop_wait(nonblocking);
 1482: #ifdef CONFIG_PROFILER
 1483:         dev_time += profile_getclock() - ti;
 1484: #endif
 1485:     } while (!main_loop_should_exit());
 1486: }
 1487: 
 1488: static void version(void)
 1489: {
 1490:     printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
 1491: }
 1492: 
 1493: static void help(int exitcode)
 1494: {
 1495:     const char *options_help =
 1496: #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
 1497:         opt_help
 1498: #define DEFHEADING(text) stringify(text) "\n"
 1499: #include "qemu-options.def"
 1500: #undef DEF
 1501: #undef DEFHEADING
 1502: #undef GEN_DOCS
 1503:         ;
 1504:     version();
 1505:     printf("usage: %s [options] [disk_image]\n"
 1506:            "\n"
 1507:            "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
 1508:            "\n"
 1509:            "%s\n"
 1510:            "During emulation, the following keys are useful:\n"
 1511:            "ctrl-alt-f      toggle full screen\n"
 1512:            "ctrl-alt-n      switch to virtual console 'n'\n"
 1513:            "ctrl-alt        toggle mouse and keyboard grab\n"
 1514:            "\n"
 1515:            "When using -nographic, press 'ctrl-a h' to get some help.\n",
 1516:            "qemu",
 1517:            options_help);
 1518:     exit(exitcode);
 1519: }
 1520: 
 1521: #define HAS_ARG 0x0001
 1522: 
 1523: typedef struct QEMUOption {
 1524:     const char *name;
 1525:     int flags;
 1526:     int index;
 1527:     uint32_t arch_mask;
 1528: } QEMUOption;
 1529: 
 1530: static const QEMUOption qemu_options[] = {
 1531:     { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
 1532: #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
 1533:     { option, opt_arg, opt_enum, arch_mask },
 1534: #define DEFHEADING(text)
 1535: #include "qemu-options.def"
 1536: #undef DEF
 1537: #undef DEFHEADING
 1538: #undef GEN_DOCS
 1539:     { NULL },
 1540: };
 1541: static void select_vgahw (const char *p)
 1542: {
 1543:     const char *opts;
 1544: 
 1545:     default_vga = 0;
 1546:     vga_interface_type = VGA_NONE;
 1547:     if (strstart(p, "std", &opts)) {
 1548:         vga_interface_type = VGA_STD;
 1549:     } else if (strstart(p, "cirrus", &opts)) {
 1550:         vga_interface_type = VGA_CIRRUS;
 1551:     } else if (strstart(p, "vmware", &opts)) {
 1552:         vga_interface_type = VGA_VMWARE;
 1553:     } else if (strstart(p, "xenfb", &opts)) {
 1554:         vga_interface_type = VGA_XENFB;
 1555:     } else if (strstart(p, "qxl", &opts)) {
 1556:         vga_interface_type = VGA_QXL;
 1557:     } else if (!strstart(p, "none", &opts)) {
 1558:     invalid_vga:
 1559:         fprintf(stderr, "Unknown vga type: %s\n", p);
 1560:         exit(1);
 1561:     }
 1562:     while (*opts) {
 1563:         const char *nextopt;
 1564: 
 1565:         if (strstart(opts, ",retrace=", &nextopt)) {
 1566:             opts = nextopt;
 1567:             if (strstart(opts, "dumb", &nextopt))
 1568:                 vga_retrace_method = VGA_RETRACE_DUMB;
 1569:             else if (strstart(opts, "precise", &nextopt))
 1570:                 vga_retrace_method = VGA_RETRACE_PRECISE;
 1571:             else goto invalid_vga;
 1572:         } else goto invalid_vga;
 1573:         opts = nextopt;
 1574:     }
 1575: }
 1576: 
 1577: static DisplayType select_display(const char *p)
 1578: {
 1579:     const char *opts;
 1580:     DisplayType display = DT_DEFAULT;
 1581: 
 1582:     if (strstart(p, "sdl", &opts)) {
 1583: #ifdef CONFIG_SDL
 1584:         display = DT_SDL;
 1585:         while (*opts) {
 1586:             const char *nextopt;
 1587: 
 1588:             if (strstart(opts, ",frame=", &nextopt)) {
 1589:                 opts = nextopt;
 1590:                 if (strstart(opts, "on", &nextopt)) {
 1591:                     no_frame = 0;
 1592:                 } else if (strstart(opts, "off", &nextopt)) {
 1593:                     no_frame = 1;
 1594:                 } else {
 1595:                     goto invalid_sdl_args;
 1596:                 }
 1597:             } else if (strstart(opts, ",alt_grab=", &nextopt)) {
 1598:                 opts = nextopt;
 1599:                 if (strstart(opts, "on", &nextopt)) {
 1600:                     alt_grab = 1;
 1601:                 } else if (strstart(opts, "off", &nextopt)) {
 1602:                     alt_grab = 0;
 1603:                 } else {
 1604:                     goto invalid_sdl_args;
 1605:                 }
 1606:             } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
 1607:                 opts = nextopt;
 1608:                 if (strstart(opts, "on", &nextopt)) {
 1609:                     ctrl_grab = 1;
 1610:                 } else if (strstart(opts, "off", &nextopt)) {
 1611:                     ctrl_grab = 0;
 1612:                 } else {
 1613:                     goto invalid_sdl_args;
 1614:                 }
 1615:             } else if (strstart(opts, ",window_close=", &nextopt)) {
 1616:                 opts = nextopt;
 1617:                 if (strstart(opts, "on", &nextopt)) {
 1618:                     no_quit = 0;
 1619:                 } else if (strstart(opts, "off", &nextopt)) {
 1620:                     no_quit = 1;
 1621:                 } else {
 1622:                     goto invalid_sdl_args;
 1623:                 }
 1624:             } else {
 1625:             invalid_sdl_args:
 1626:                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
 1627:                 exit(1);
 1628:             }
 1629:             opts = nextopt;
 1630:         }
 1631: #else
 1632:         fprintf(stderr, "SDL support is disabled\n");
 1633:         exit(1);
 1634: #endif
 1635:     } else if (strstart(p, "vnc", &opts)) {
 1636: #ifdef CONFIG_VNC
 1637:         display_remote++;
 1638: 
 1639:         if (*opts) {
 1640:             const char *nextopt;
 1641: 
 1642:             if (strstart(opts, "=", &nextopt)) {
 1643:                 vnc_display = nextopt;
 1644:             }
 1645:         }
 1646:         if (!vnc_display) {
 1647:             fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
 1648:             exit(1);
 1649:         }
 1650: #else
 1651:         fprintf(stderr, "VNC support is disabled\n");
 1652:         exit(1);
 1653: #endif
 1654:     } else if (strstart(p, "curses", &opts)) {
 1655: #ifdef CONFIG_CURSES
 1656:         display = DT_CURSES;
 1657: #else
 1658:         fprintf(stderr, "Curses support is disabled\n");
 1659:         exit(1);
 1660: #endif
 1661:     } else if (strstart(p, "none", &opts)) {
 1662:         display = DT_NONE;
 1663:     } else {
 1664:         fprintf(stderr, "Unknown display type: %s\n", p);
 1665:         exit(1);
 1666:     }
 1667: 
 1668:     return display;
 1669: }
 1670: 
 1671: static int balloon_parse(const char *arg)
 1672: {
 1673:     QemuOpts *opts;
 1674: 
 1675:     if (strcmp(arg, "none") == 0) {
 1676:         return 0;
 1677:     }
 1678: 
 1679:     if (!strncmp(arg, "virtio", 6)) {
 1680:         if (arg[6] == ',') {
 1681:             /* have params -> parse them */
 1682:             opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
 1683:             if (!opts)
 1684:                 return  -1;
 1685:         } else {
 1686:             /* create empty opts */
 1687:             opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
 1688:         }
 1689:         qemu_opt_set(opts, "driver", "virtio-balloon");
 1690:         return 0;
 1691:     }
 1692: 
 1693:     return -1;
 1694: }
 1695: 
 1696: char *qemu_find_file(int type, const char *name)
 1697: {
 1698:     int len;
 1699:     const char *subdir;
 1700:     char *buf;
 1701: 
 1702:     /* If name contains path separators then try it as a straight path.  */
 1703:     if ((strchr(name, '/') || strchr(name, '\\'))
 1704:         && access(name, R_OK) == 0) {
 1705:         return g_strdup(name);
 1706:     }
 1707:     switch (type) {
 1708:     case QEMU_FILE_TYPE_BIOS:
 1709:         subdir = "";
 1710:         break;
 1711:     case QEMU_FILE_TYPE_KEYMAP:
 1712:         subdir = "keymaps/";
 1713:         break;
 1714:     default:
 1715:         abort();
 1716:     }
 1717:     len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
 1718:     buf = g_malloc0(len);
 1719:     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
 1720:     if (access(buf, R_OK)) {
 1721:         g_free(buf);
 1722:         return NULL;
 1723:     }
 1724:     return buf;
 1725: }
 1726: 
 1727: static int device_help_func(QemuOpts *opts, void *opaque)
 1728: {
 1729:     return qdev_device_help(opts);
 1730: }
 1731: 
 1732: static int device_init_func(QemuOpts *opts, void *opaque)
 1733: {
 1734:     DeviceState *dev;
 1735: 
 1736:     dev = qdev_device_add(opts);
 1737:     if (!dev)
 1738:         return -1;
 1739:     return 0;
 1740: }
 1741: 
 1742: static int chardev_init_func(QemuOpts *opts, void *opaque)
 1743: {
 1744:     CharDriverState *chr;
 1745: 
 1746:     chr = qemu_chr_new_from_opts(opts, NULL);
 1747:     if (!chr)
 1748:         return -1;
 1749:     return 0;
 1750: }
 1751: 
 1752: #ifdef CONFIG_VIRTFS
 1753: static int fsdev_init_func(QemuOpts *opts, void *opaque)
 1754: {
 1755:     int ret;
 1756:     ret = qemu_fsdev_add(opts);
 1757: 
 1758:     return ret;
 1759: }
 1760: #endif
 1761: 
 1762: static int mon_init_func(QemuOpts *opts, void *opaque)
 1763: {
 1764:     CharDriverState *chr;
 1765:     const char *chardev;
 1766:     const char *mode;
 1767:     int flags;
 1768: 
 1769:     mode = qemu_opt_get(opts, "mode");
 1770:     if (mode == NULL) {
 1771:         mode = "readline";
 1772:     }
 1773:     if (strcmp(mode, "readline") == 0) {
 1774:         flags = MONITOR_USE_READLINE;
 1775:     } else if (strcmp(mode, "control") == 0) {
 1776:         flags = MONITOR_USE_CONTROL;
 1777:     } else {
 1778:         fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
 1779:         exit(1);
 1780:     }
 1781: 
 1782:     if (qemu_opt_get_bool(opts, "pretty", 0))
 1783:         flags |= MONITOR_USE_PRETTY;
 1784: 
 1785:     if (qemu_opt_get_bool(opts, "default", 0))
 1786:         flags |= MONITOR_IS_DEFAULT;
 1787: 
 1788:     chardev = qemu_opt_get(opts, "chardev");
 1789:     chr = qemu_chr_find(chardev);
 1790:     if (chr == NULL) {
 1791:         fprintf(stderr, "chardev \"%s\" not found\n", chardev);
 1792:         exit(1);
 1793:     }
 1794: 
 1795:     monitor_init(chr, flags);
 1796:     return 0;
 1797: }
 1798: 
 1799: static void monitor_parse(const char *optarg, const char *mode)
 1800: {
 1801:     static int monitor_device_index = 0;
 1802:     QemuOpts *opts;
 1803:     const char *p;
 1804:     char label[32];
 1805:     int def = 0;
 1806: 
 1807:     if (strstart(optarg, "chardev:", &p)) {
 1808:         snprintf(label, sizeof(label), "%s", p);
 1809:     } else {
 1810:         snprintf(label, sizeof(label), "compat_monitor%d",
 1811:                  monitor_device_index);
 1812:         if (monitor_device_index == 0) {
 1813:             def = 1;
 1814:         }
 1815:         opts = qemu_chr_parse_compat(label, optarg);
 1816:         if (!opts) {
 1817:             fprintf(stderr, "parse error: %s\n", optarg);
 1818:             exit(1);
 1819:         }
 1820:     }
 1821: 
 1822:     opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
 1823:     if (!opts) {
 1824:         fprintf(stderr, "duplicate chardev: %s\n", label);
 1825:         exit(1);
 1826:     }
 1827:     qemu_opt_set(opts, "mode", mode);
 1828:     qemu_opt_set(opts, "chardev", label);
 1829:     if (def)
 1830:         qemu_opt_set(opts, "default", "on");
 1831:     monitor_device_index++;
 1832: }
 1833: 
 1834: struct device_config {
 1835:     enum {
 1836:         DEV_USB,       /* -usbdevice     */
 1837:         DEV_BT,        /* -bt            */
 1838:         DEV_SERIAL,    /* -serial        */
 1839:         DEV_PARALLEL,  /* -parallel      */
 1840:         DEV_VIRTCON,   /* -virtioconsole */
 1841:         DEV_DEBUGCON,  /* -debugcon */
 1842:     } type;
 1843:     const char *cmdline;
 1844:     QTAILQ_ENTRY(device_config) next;
 1845: };
 1846: QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
 1847: 
 1848: static void add_device_config(int type, const char *cmdline)
 1849: {
 1850:     struct device_config *conf;
 1851: 
 1852:     conf = g_malloc0(sizeof(*conf));
 1853:     conf->type = type;
 1854:     conf->cmdline = cmdline;
 1855:     QTAILQ_INSERT_TAIL(&device_configs, conf, next);
 1856: }
 1857: 
 1858: static int foreach_device_config(int type, int (*func)(const char *cmdline))
 1859: {
 1860:     struct device_config *conf;
 1861:     int rc;
 1862: 
 1863:     QTAILQ_FOREACH(conf, &device_configs, next) {
 1864:         if (conf->type != type)
 1865:             continue;
 1866:         rc = func(conf->cmdline);
 1867:         if (0 != rc)
 1868:             return rc;
 1869:     }
 1870:     return 0;
 1871: }
 1872: 
 1873: static int serial_parse(const char *devname)
 1874: {
 1875:     static int index = 0;
 1876:     char label[32];
 1877: 
 1878:     if (strcmp(devname, "none") == 0)
 1879:         return 0;
 1880:     if (index == MAX_SERIAL_PORTS) {
 1881:         fprintf(stderr, "qemu: too many serial ports\n");
 1882:         exit(1);
 1883:     }
 1884:     snprintf(label, sizeof(label), "serial%d", index);
 1885:     serial_hds[index] = qemu_chr_new(label, devname, NULL);
 1886:     if (!serial_hds[index]) {
 1887:         fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
 1888:                 devname, strerror(errno));
 1889:         return -1;
 1890:     }
 1891:     index++;
 1892:     return 0;
 1893: }
 1894: 
 1895: static int parallel_parse(const char *devname)
 1896: {
 1897:     static int index = 0;
 1898:     char label[32];
 1899: 
 1900:     if (strcmp(devname, "none") == 0)
 1901:         return 0;
 1902:     if (index == MAX_PARALLEL_PORTS) {
 1903:         fprintf(stderr, "qemu: too many parallel ports\n");
 1904:         exit(1);
 1905:     }
 1906:     snprintf(label, sizeof(label), "parallel%d", index);
 1907:     parallel_hds[index] = qemu_chr_new(label, devname, NULL);
 1908:     if (!parallel_hds[index]) {
 1909:         fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
 1910:                 devname, strerror(errno));
 1911:         return -1;
 1912:     }
 1913:     index++;
 1914:     return 0;
 1915: }
 1916: 
 1917: static int virtcon_parse(const char *devname)
 1918: {
 1919:     QemuOptsList *device = qemu_find_opts("device");
 1920:     static int index = 0;
 1921:     char label[32];
 1922:     QemuOpts *bus_opts, *dev_opts;
 1923: 
 1924:     if (strcmp(devname, "none") == 0)
 1925:         return 0;
 1926:     if (index == MAX_VIRTIO_CONSOLES) {
 1927:         fprintf(stderr, "qemu: too many virtio consoles\n");
 1928:         exit(1);
 1929:     }
 1930: 
 1931:     bus_opts = qemu_opts_create(device, NULL, 0);
 1932:     qemu_opt_set(bus_opts, "driver", "virtio-serial");
 1933: 
 1934:     dev_opts = qemu_opts_create(device, NULL, 0);
 1935:     qemu_opt_set(dev_opts, "driver", "virtconsole");
 1936: 
 1937:     snprintf(label, sizeof(label), "virtcon%d", index);
 1938:     virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
 1939:     if (!virtcon_hds[index]) {
 1940:         fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
 1941:                 devname, strerror(errno));
 1942:         return -1;
 1943:     }
 1944:     qemu_opt_set(dev_opts, "chardev", label);
 1945: 
 1946:     index++;
 1947:     return 0;
 1948: }
 1949: 
 1950: static int debugcon_parse(const char *devname)
 1951: {   
 1952:     QemuOpts *opts;
 1953: 
 1954:     if (!qemu_chr_new("debugcon", devname, NULL)) {
 1955:         exit(1);
 1956:     }
 1957:     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
 1958:     if (!opts) {
 1959:         fprintf(stderr, "qemu: already have a debugcon device\n");
 1960:         exit(1);
 1961:     }
 1962:     qemu_opt_set(opts, "driver", "isa-debugcon");
 1963:     qemu_opt_set(opts, "chardev", "debugcon");
 1964:     return 0;
 1965: }
 1966: 
 1967: static QEMUMachine *machine_parse(const char *name)
 1968: {
 1969:     QEMUMachine *m, *machine = NULL;
 1970: 
 1971:     if (name) {
 1972:         machine = find_machine(name);
 1973:     }
 1974:     if (machine) {
 1975:         return machine;
 1976:     }
 1977:     printf("Supported machines are:\n");
 1978:     for (m = first_machine; m != NULL; m = m->next) {
 1979:         if (m->alias) {
 1980:             printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
 1981:         }
 1982:         printf("%-10s %s%s\n", m->name, m->desc,
 1983:                m->is_default ? " (default)" : "");
 1984:     }
 1985:     exit(!name || *name != '?');
 1986: }
 1987: 
 1988: static int tcg_init(void)
 1989: {
 1990:     tcg_exec_init(tcg_tb_size * 1024 * 1024);
 1991:     return 0;
 1992: }
 1993: 
 1994: static struct {
 1995:     const char *opt_name;
 1996:     const char *name;
 1997:     int (*available)(void);
 1998:     int (*init)(void);
 1999:     int *allowed;
 2000: } accel_list[] = {
 2001:     { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
 2002:     { "xen", "Xen", xen_available, xen_init, &xen_allowed },
 2003:     { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
 2004: };
 2005: 
 2006: static int configure_accelerator(void)
 2007: {
 2008:     const char *p = NULL;
 2009:     char buf[10];
 2010:     int i, ret;
 2011:     bool accel_initalised = 0;
 2012:     bool init_failed = 0;
 2013: 
 2014:     QemuOptsList *list = qemu_find_opts("machine");
 2015:     if (!QTAILQ_EMPTY(&list->head)) {
 2016:         p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
 2017:     }
 2018: 
 2019:     if (p == NULL) {
 2020:         /* Use the default "accelerator", tcg */
 2021:         p = "tcg";
 2022:     }
 2023: 
 2024:     while (!accel_initalised && *p != '\0') {
 2025:         if (*p == ':') {
 2026:             p++;
 2027:         }
 2028:         p = get_opt_name(buf, sizeof (buf), p, ':');
 2029:         for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
 2030:             if (strcmp(accel_list[i].opt_name, buf) == 0) {
 2031:                 *(accel_list[i].allowed) = 1;
 2032:                 ret = accel_list[i].init();
 2033:                 if (ret < 0) {
 2034:                     init_failed = 1;
 2035:                     if (!accel_list[i].available()) {
 2036:                         printf("%s not supported for this target\n",
 2037:                                accel_list[i].name);
 2038:                     } else {
 2039:                         fprintf(stderr, "failed to initialize %s: %s\n",
 2040:                                 accel_list[i].name,
 2041:                                 strerror(-ret));
 2042:                     }
 2043:                     *(accel_list[i].allowed) = 0;
 2044:                 } else {
 2045:                     accel_initalised = 1;
 2046:                 }
 2047:                 break;
 2048:             }
 2049:         }
 2050:         if (i == ARRAY_SIZE(accel_list)) {
 2051:             fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
 2052:         }
 2053:     }
 2054: 
 2055:     if (!accel_initalised) {
 2056:         fprintf(stderr, "No accelerator found!\n");
 2057:         exit(1);
 2058:     }
 2059: 
 2060:     if (init_failed) {
 2061:         fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
 2062:     }
 2063: 
 2064:     return !accel_initalised;
 2065: }
 2066: 
 2067: void qemu_add_exit_notifier(Notifier *notify)
 2068: {
 2069:     notifier_list_add(&exit_notifiers, notify);
 2070: }
 2071: 
 2072: void qemu_remove_exit_notifier(Notifier *notify)
 2073: {
 2074:     notifier_list_remove(&exit_notifiers, notify);
 2075: }
 2076: 
 2077: static void qemu_run_exit_notifiers(void)
 2078: {
 2079:     notifier_list_notify(&exit_notifiers, NULL);
 2080: }
 2081: 
 2082: void qemu_add_machine_init_done_notifier(Notifier *notify)
 2083: {
 2084:     notifier_list_add(&machine_init_done_notifiers, notify);
 2085: }
 2086: 
 2087: static void qemu_run_machine_init_done_notifiers(void)
 2088: {
 2089:     notifier_list_notify(&machine_init_done_notifiers, NULL);
 2090: }
 2091: 
 2092: static const QEMUOption *lookup_opt(int argc, char **argv,
 2093:                                     const char **poptarg, int *poptind)
 2094: {
 2095:     const QEMUOption *popt;
 2096:     int optind = *poptind;
 2097:     char *r = argv[optind];
 2098:     const char *optarg;
 2099: 
 2100:     loc_set_cmdline(argv, optind, 1);
 2101:     optind++;
 2102:     /* Treat --foo the same as -foo.  */
 2103:     if (r[1] == '-')
 2104:         r++;
 2105:     popt = qemu_options;
 2106:     for(;;) {
 2107:         if (!popt->name) {
 2108:             error_report("invalid option");
 2109:             exit(1);
 2110:         }
 2111:         if (!strcmp(popt->name, r + 1))
 2112:             break;
 2113:         popt++;
 2114:     }
 2115:     if (popt->flags & HAS_ARG) {
 2116:         if (optind >= argc) {
 2117:             error_report("requires an argument");
 2118:             exit(1);
 2119:         }
 2120:         optarg = argv[optind++];
 2121:         loc_set_cmdline(argv, optind - 2, 2);
 2122:     } else {
 2123:         optarg = NULL;
 2124:     }
 2125: 
 2126:     *poptarg = optarg;
 2127:     *poptind = optind;
 2128: 
 2129:     return popt;
 2130: }
 2131: 
 2132: static gpointer malloc_and_trace(gsize n_bytes)
 2133: {
 2134:     void *ptr = malloc(n_bytes);
 2135:     trace_g_malloc(n_bytes, ptr);
 2136:     return ptr;
 2137: }
 2138: 
 2139: static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
 2140: {
 2141:     void *ptr = realloc(mem, n_bytes);
 2142:     trace_g_realloc(mem, n_bytes, ptr);
 2143:     return ptr;
 2144: }
 2145: 
 2146: static void free_and_trace(gpointer mem)
 2147: {
 2148:     trace_g_free(mem);
 2149:     free(mem);
 2150: }
 2151: 
 2152: int main(int argc, char **argv, char **envp)
 2153: {
 2154:     const char *gdbstub_dev = NULL;
 2155:     int i;
 2156:     int snapshot, linux_boot;
 2157:     const char *icount_option = NULL;
 2158:     const char *initrd_filename;
 2159:     const char *kernel_filename, *kernel_cmdline;
 2160:     char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
 2161:     DisplayState *ds;
 2162:     DisplayChangeListener *dcl;
 2163:     int cyls, heads, secs, translation;
 2164:     QemuOpts *hda_opts = NULL, *opts;
 2165:     QemuOptsList *olist;
 2166:     int optind;
 2167:     const char *optarg;
 2168:     const char *loadvm = NULL;
 2169:     QEMUMachine *machine;
 2170:     const char *cpu_model;
 2171:     const char *pid_file = NULL;
 2172:     const char *incoming = NULL;
 2173: #ifdef CONFIG_VNC
 2174:     int show_vnc_port = 0;
 2175: #endif
 2176:     int defconfig = 1;
 2177:     const char *log_mask = NULL;
 2178:     const char *log_file = NULL;
 2179:     GMemVTable mem_trace = {
 2180:         .malloc = malloc_and_trace,
 2181:         .realloc = realloc_and_trace,
 2182:         .free = free_and_trace,
 2183:     };
 2184:     const char *trace_events = NULL;
 2185:     const char *trace_file = NULL;
 2186: 
 2187:     atexit(qemu_run_exit_notifiers);
 2188:     error_set_progname(argv[0]);
 2189: 
 2190:     g_mem_set_vtable(&mem_trace);
 2191:     if (!g_thread_supported()) {
 2192:         g_thread_init(NULL);
 2193:     }
 2194: 
 2195:     runstate_init();
 2196: 
 2197:     init_clocks();
 2198:     rtc_clock = host_clock;
 2199: 
 2200:     qemu_cache_utils_init(envp);
 2201: 
 2202:     QLIST_INIT (&vm_change_state_head);
 2203:     os_setup_early_signal_handling();
 2204: 
 2205:     module_call_init(MODULE_INIT_MACHINE);
 2206:     machine = find_default_machine();
 2207:     cpu_model = NULL;
 2208:     initrd_filename = NULL;
 2209:     ram_size = 0;
 2210:     snapshot = 0;
 2211:     kernel_filename = NULL;
 2212:     kernel_cmdline = "";
 2213:     cyls = heads = secs = 0;
 2214:     translation = BIOS_ATA_TRANSLATION_AUTO;
 2215: 
 2216:     for (i = 0; i < MAX_NODES; i++) {
 2217:         node_mem[i] = 0;
 2218:         node_cpumask[i] = 0;
 2219:     }
 2220: 
 2221:     nb_numa_nodes = 0;
 2222:     nb_nics = 0;
 2223: 
 2224:     autostart= 1;
 2225: 
 2226:     /* first pass of option parsing */
 2227:     optind = 1;
 2228:     while (optind < argc) {
 2229:         if (argv[optind][0] != '-') {
 2230:             /* disk image */
 2231:             optind++;
 2232:             continue;
 2233:         } else {
 2234:             const QEMUOption *popt;
 2235: 
 2236:             popt = lookup_opt(argc, argv, &optarg, &optind);
 2237:             switch (popt->index) {
 2238:             case QEMU_OPTION_nodefconfig:
 2239:                 defconfig=0;
 2240:                 break;
 2241:             }
 2242:         }
 2243:     }
 2244: 
 2245:     if (defconfig) {
 2246:         int ret;
 2247: 
 2248:         ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
 2249:         if (ret < 0 && ret != -ENOENT) {
 2250:             exit(1);
 2251:         }
 2252: 
 2253:         ret = qemu_read_config_file(arch_config_name);
 2254:         if (ret < 0 && ret != -ENOENT) {
 2255:             exit(1);
 2256:         }
 2257:     }
 2258:     cpudef_init();
 2259: 
 2260:     /* second pass of option parsing */
 2261:     optind = 1;
 2262:     for(;;) {
 2263:         if (optind >= argc)
 2264:             break;
 2265:         if (argv[optind][0] != '-') {
 2266: 	    hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
 2267:         } else {
 2268:             const QEMUOption *popt;
 2269: 
 2270:             popt = lookup_opt(argc, argv, &optarg, &optind);
 2271:             if (!(popt->arch_mask & arch_type)) {
 2272:                 printf("Option %s not supported for this target\n", popt->name);
 2273:                 exit(1);
 2274:             }
 2275:             switch(popt->index) {
 2276:             case QEMU_OPTION_M:
 2277:                 machine = machine_parse(optarg);
 2278:                 break;
 2279:             case QEMU_OPTION_cpu:
 2280:                 /* hw initialization will check this */
 2281:                 if (*optarg == '?') {
 2282:                     list_cpus(stdout, &fprintf, optarg);
 2283:                     exit(0);
 2284:                 } else {
 2285:                     cpu_model = optarg;
 2286:                 }
 2287:                 break;
 2288:             case QEMU_OPTION_initrd:
 2289:                 initrd_filename = optarg;
 2290:                 break;
 2291:             case QEMU_OPTION_hda:
 2292:                 {
 2293:                     char buf[256];
 2294:                     if (cyls == 0)
 2295:                         snprintf(buf, sizeof(buf), "%s", HD_OPTS);
 2296:                     else
 2297:                         snprintf(buf, sizeof(buf),
 2298:                                  "%s,cyls=%d,heads=%d,secs=%d%s",
 2299:                                  HD_OPTS , cyls, heads, secs,
 2300:                                  translation == BIOS_ATA_TRANSLATION_LBA ?
 2301:                                  ",trans=lba" :
 2302:                                  translation == BIOS_ATA_TRANSLATION_NONE ?
 2303:                                  ",trans=none" : "");
 2304:                     drive_add(IF_DEFAULT, 0, optarg, buf);
 2305:                     break;
 2306:                 }
 2307:             case QEMU_OPTION_hdb:
 2308:             case QEMU_OPTION_hdc:
 2309:             case QEMU_OPTION_hdd:
 2310:                 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
 2311:                           HD_OPTS);
 2312:                 break;
 2313:             case QEMU_OPTION_drive:
 2314:                 if (drive_def(optarg) == NULL) {
 2315:                     exit(1);
 2316:                 }
 2317: 	        break;
 2318:             case QEMU_OPTION_set:
 2319:                 if (qemu_set_option(optarg) != 0)
 2320:                     exit(1);
 2321: 	        break;
 2322:             case QEMU_OPTION_global:
 2323:                 if (qemu_global_option(optarg) != 0)
 2324:                     exit(1);
 2325: 	        break;
 2326:             case QEMU_OPTION_mtdblock:
 2327:                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
 2328:                 break;
 2329:             case QEMU_OPTION_sd:
 2330:                 drive_add(IF_SD, 0, optarg, SD_OPTS);
 2331:                 break;
 2332:             case QEMU_OPTION_pflash:
 2333:                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
 2334:                 break;
 2335:             case QEMU_OPTION_snapshot:
 2336:                 snapshot = 1;
 2337:                 break;
 2338:             case QEMU_OPTION_hdachs:
 2339:                 {
 2340:                     const char *p;
 2341:                     p = optarg;
 2342:                     cyls = strtol(p, (char **)&p, 0);
 2343:                     if (cyls < 1 || cyls > 16383)
 2344:                         goto chs_fail;
 2345:                     if (*p != ',')
 2346:                         goto chs_fail;
 2347:                     p++;
 2348:                     heads = strtol(p, (char **)&p, 0);
 2349:                     if (heads < 1 || heads > 16)
 2350:                         goto chs_fail;
 2351:                     if (*p != ',')
 2352:                         goto chs_fail;
 2353:                     p++;
 2354:                     secs = strtol(p, (char **)&p, 0);
 2355:                     if (secs < 1 || secs > 63)
 2356:                         goto chs_fail;
 2357:                     if (*p == ',') {
 2358:                         p++;
 2359:                         if (!strcmp(p, "none"))
 2360:                             translation = BIOS_ATA_TRANSLATION_NONE;
 2361:                         else if (!strcmp(p, "lba"))
 2362:                             translation = BIOS_ATA_TRANSLATION_LBA;
 2363:                         else if (!strcmp(p, "auto"))
 2364:                             translation = BIOS_ATA_TRANSLATION_AUTO;
 2365:                         else
 2366:                             goto chs_fail;
 2367:                     } else if (*p != '\0') {
 2368:                     chs_fail:
 2369:                         fprintf(stderr, "qemu: invalid physical CHS format\n");
 2370:                         exit(1);
 2371:                     }
 2372: 		    if (hda_opts != NULL) {
 2373:                         char num[16];
 2374:                         snprintf(num, sizeof(num), "%d", cyls);
 2375:                         qemu_opt_set(hda_opts, "cyls", num);
 2376:                         snprintf(num, sizeof(num), "%d", heads);
 2377:                         qemu_opt_set(hda_opts, "heads", num);
 2378:                         snprintf(num, sizeof(num), "%d", secs);
 2379:                         qemu_opt_set(hda_opts, "secs", num);
 2380:                         if (translation == BIOS_ATA_TRANSLATION_LBA)
 2381:                             qemu_opt_set(hda_opts, "trans", "lba");
 2382:                         if (translation == BIOS_ATA_TRANSLATION_NONE)
 2383:                             qemu_opt_set(hda_opts, "trans", "none");
 2384:                     }
 2385:                 }
 2386:                 break;
 2387:             case QEMU_OPTION_numa:
 2388:                 if (nb_numa_nodes >= MAX_NODES) {
 2389:                     fprintf(stderr, "qemu: too many NUMA nodes\n");
 2390:                     exit(1);
 2391:                 }
 2392:                 numa_add(optarg);
 2393:                 break;
 2394:             case QEMU_OPTION_display:
 2395:                 display_type = select_display(optarg);
 2396:                 break;
 2397:             case QEMU_OPTION_nographic:
 2398:                 display_type = DT_NOGRAPHIC;
 2399:                 break;
 2400:             case QEMU_OPTION_curses:
 2401: #ifdef CONFIG_CURSES
 2402:                 display_type = DT_CURSES;
 2403: #else
 2404:                 fprintf(stderr, "Curses support is disabled\n");
 2405:                 exit(1);
 2406: #endif
 2407:                 break;
 2408:             case QEMU_OPTION_portrait:
 2409:                 graphic_rotate = 90;
 2410:                 break;
 2411:             case QEMU_OPTION_rotate:
 2412:                 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
 2413:                 if (graphic_rotate != 0 && graphic_rotate != 90 &&
 2414:                     graphic_rotate != 180 && graphic_rotate != 270) {
 2415:                     fprintf(stderr,
 2416:                         "qemu: only 90, 180, 270 deg rotation is available\n");
 2417:                     exit(1);
 2418:                 }
 2419:                 break;
 2420:             case QEMU_OPTION_kernel:
 2421:                 kernel_filename = optarg;
 2422:                 break;
 2423:             case QEMU_OPTION_append:
 2424:                 kernel_cmdline = optarg;
 2425:                 break;
 2426:             case QEMU_OPTION_cdrom:
 2427:                 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
 2428:                 break;
 2429:             case QEMU_OPTION_boot:
 2430:                 {
 2431:                     static const char * const params[] = {
 2432:                         "order", "once", "menu",
 2433:                         "splash", "splash-time", NULL
 2434:                     };
 2435:                     char buf[sizeof(boot_devices)];
 2436:                     char *standard_boot_devices;
 2437:                     int legacy = 0;
 2438: 
 2439:                     if (!strchr(optarg, '=')) {
 2440:                         legacy = 1;
 2441:                         pstrcpy(buf, sizeof(buf), optarg);
 2442:                     } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
 2443:                         fprintf(stderr,
 2444:                                 "qemu: unknown boot parameter '%s' in '%s'\n",
 2445:                                 buf, optarg);
 2446:                         exit(1);
 2447:                     }
 2448: 
 2449:                     if (legacy ||
 2450:                         get_param_value(buf, sizeof(buf), "order", optarg)) {
 2451:                         validate_bootdevices(buf);
 2452:                         pstrcpy(boot_devices, sizeof(boot_devices), buf);
 2453:                     }
 2454:                     if (!legacy) {
 2455:                         if (get_param_value(buf, sizeof(buf),
 2456:                                             "once", optarg)) {
 2457:                             validate_bootdevices(buf);
 2458:                             standard_boot_devices = g_strdup(boot_devices);
 2459:                             pstrcpy(boot_devices, sizeof(boot_devices), buf);
 2460:                             qemu_register_reset(restore_boot_devices,
 2461:                                                 standard_boot_devices);
 2462:                         }
 2463:                         if (get_param_value(buf, sizeof(buf),
 2464:                                             "menu", optarg)) {
 2465:                             if (!strcmp(buf, "on")) {
 2466:                                 boot_menu = 1;
 2467:                             } else if (!strcmp(buf, "off")) {
 2468:                                 boot_menu = 0;
 2469:                             } else {
 2470:                                 fprintf(stderr,
 2471:                                         "qemu: invalid option value '%s'\n",
 2472:                                         buf);
 2473:                                 exit(1);
 2474:                             }
 2475:                         }
 2476:                         qemu_opts_parse(qemu_find_opts("boot-opts"),
 2477:                                         optarg, 0);
 2478:                     }
 2479:                 }
 2480:                 break;
 2481:             case QEMU_OPTION_fda:
 2482:             case QEMU_OPTION_fdb:
 2483:                 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
 2484:                           optarg, FD_OPTS);
 2485:                 break;
 2486:             case QEMU_OPTION_no_fd_bootchk:
 2487:                 fd_bootchk = 0;
 2488:                 break;
 2489:             case QEMU_OPTION_netdev:
 2490:                 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
 2491:                     exit(1);
 2492:                 }
 2493:                 break;
 2494:             case QEMU_OPTION_net:
 2495:                 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
 2496:                     exit(1);
 2497:                 }
 2498:                 break;
 2499: #ifdef CONFIG_SLIRP
 2500:             case QEMU_OPTION_tftp:
 2501:                 legacy_tftp_prefix = optarg;
 2502:                 break;
 2503:             case QEMU_OPTION_bootp:
 2504:                 legacy_bootp_filename = optarg;
 2505:                 break;
 2506:             case QEMU_OPTION_redir:
 2507:                 if (net_slirp_redir(optarg) < 0)
 2508:                     exit(1);
 2509:                 break;
 2510: #endif
 2511:             case QEMU_OPTION_bt:
 2512:                 add_device_config(DEV_BT, optarg);
 2513:                 break;
 2514:             case QEMU_OPTION_audio_help:
 2515:                 if (!(audio_available())) {
 2516:                     printf("Option %s not supported for this target\n", popt->name);
 2517:                     exit(1);
 2518:                 }
 2519:                 AUD_help ();
 2520:                 exit (0);
 2521:                 break;
 2522:             case QEMU_OPTION_soundhw:
 2523:                 if (!(audio_available())) {
 2524:                     printf("Option %s not supported for this target\n", popt->name);
 2525:                     exit(1);
 2526:                 }
 2527:                 select_soundhw (optarg);
 2528:                 break;
 2529:             case QEMU_OPTION_h:
 2530:                 help(0);
 2531:                 break;
 2532:             case QEMU_OPTION_version:
 2533:                 version();
 2534:                 exit(0);
 2535:                 break;
 2536:             case QEMU_OPTION_m: {
 2537:                 int64_t value;
 2538:                 char *end;
 2539: 
 2540:                 value = strtosz(optarg, &end);
 2541:                 if (value < 0 || *end) {
 2542:                     fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
 2543:                     exit(1);
 2544:                 }
 2545: 
 2546:                 if (value != (uint64_t)(ram_addr_t)value) {
 2547:                     fprintf(stderr, "qemu: ram size too large\n");
 2548:                     exit(1);
 2549:                 }
 2550:                 ram_size = value;
 2551:                 break;
 2552:             }
 2553:             case QEMU_OPTION_mempath:
 2554:                 mem_path = optarg;
 2555:                 break;
 2556: #ifdef MAP_POPULATE
 2557:             case QEMU_OPTION_mem_prealloc:
 2558:                 mem_prealloc = 1;
 2559:                 break;
 2560: #endif
 2561:             case QEMU_OPTION_d:
 2562:                 log_mask = optarg;
 2563:                 break;
 2564:             case QEMU_OPTION_D:
 2565:                 log_file = optarg;
 2566:                 break;
 2567:             case QEMU_OPTION_s:
 2568:                 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
 2569:                 break;
 2570:             case QEMU_OPTION_gdb:
 2571:                 gdbstub_dev = optarg;
 2572:                 break;
 2573:             case QEMU_OPTION_L:
 2574:                 data_dir = optarg;
 2575:                 break;
 2576:             case QEMU_OPTION_bios:
 2577:                 bios_name = optarg;
 2578:                 break;
 2579:             case QEMU_OPTION_singlestep:
 2580:                 singlestep = 1;
 2581:                 break;
 2582:             case QEMU_OPTION_S:
 2583:                 autostart = 0;
 2584:                 break;
 2585: 	    case QEMU_OPTION_k:
 2586: 		keyboard_layout = optarg;
 2587: 		break;
 2588:             case QEMU_OPTION_localtime:
 2589:                 rtc_utc = 0;
 2590:                 break;
 2591:             case QEMU_OPTION_vga:
 2592:                 select_vgahw (optarg);
 2593:                 break;
 2594:             case QEMU_OPTION_g:
 2595:                 {
 2596:                     const char *p;
 2597:                     int w, h, depth;
 2598:                     p = optarg;
 2599:                     w = strtol(p, (char **)&p, 10);
 2600:                     if (w <= 0) {
 2601:                     graphic_error:
 2602:                         fprintf(stderr, "qemu: invalid resolution or depth\n");
 2603:                         exit(1);
 2604:                     }
 2605:                     if (*p != 'x')
 2606:                         goto graphic_error;
 2607:                     p++;
 2608:                     h = strtol(p, (char **)&p, 10);
 2609:                     if (h <= 0)
 2610:                         goto graphic_error;
 2611:                     if (*p == 'x') {
 2612:                         p++;
 2613:                         depth = strtol(p, (char **)&p, 10);
 2614:                         if (depth != 8 && depth != 15 && depth != 16 &&
 2615:                             depth != 24 && depth != 32)
 2616:                             goto graphic_error;
 2617:                     } else if (*p == '\0') {
 2618:                         depth = graphic_depth;
 2619:                     } else {
 2620:                         goto graphic_error;
 2621:                     }
 2622: 
 2623:                     graphic_width = w;
 2624:                     graphic_height = h;
 2625:                     graphic_depth = depth;
 2626:                 }
 2627:                 break;
 2628:             case QEMU_OPTION_echr:
 2629:                 {
 2630:                     char *r;
 2631:                     term_escape_char = strtol(optarg, &r, 0);
 2632:                     if (r == optarg)
 2633:                         printf("Bad argument to echr\n");
 2634:                     break;
 2635:                 }
 2636:             case QEMU_OPTION_monitor:
 2637:                 monitor_parse(optarg, "readline");
 2638:                 default_monitor = 0;
 2639:                 break;
 2640:             case QEMU_OPTION_qmp:
 2641:                 monitor_parse(optarg, "control");
 2642:                 default_monitor = 0;
 2643:                 break;
 2644:             case QEMU_OPTION_mon:
 2645:                 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
 2646:                 if (!opts) {
 2647:                     exit(1);
 2648:                 }
 2649:                 default_monitor = 0;
 2650:                 break;
 2651:             case QEMU_OPTION_chardev:
 2652:                 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
 2653:                 if (!opts) {
 2654:                     exit(1);
 2655:                 }
 2656:                 break;
 2657:             case QEMU_OPTION_fsdev:
 2658:                 olist = qemu_find_opts("fsdev");
 2659:                 if (!olist) {
 2660:                     fprintf(stderr, "fsdev is not supported by this qemu build.\n");
 2661:                     exit(1);
 2662:                 }
 2663:                 opts = qemu_opts_parse(olist, optarg, 1);
 2664:                 if (!opts) {
 2665:                     fprintf(stderr, "parse error: %s\n", optarg);
 2666:                     exit(1);
 2667:                 }
 2668:                 break;
 2669:             case QEMU_OPTION_virtfs: {
 2670:                 QemuOpts *fsdev;
 2671:                 QemuOpts *device;
 2672:                 const char *writeout;
 2673: 
 2674:                 olist = qemu_find_opts("virtfs");
 2675:                 if (!olist) {
 2676:                     fprintf(stderr, "virtfs is not supported by this qemu build.\n");
 2677:                     exit(1);
 2678:                 }
 2679:                 opts = qemu_opts_parse(olist, optarg, 1);
 2680:                 if (!opts) {
 2681:                     fprintf(stderr, "parse error: %s\n", optarg);
 2682:                     exit(1);
 2683:                 }
 2684: 
 2685:                 if (qemu_opt_get(opts, "fsdriver") == NULL ||
 2686:                         qemu_opt_get(opts, "mount_tag") == NULL ||
 2687:                         qemu_opt_get(opts, "path") == NULL) {
 2688:                     fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
 2689:                             "[security_model={mapped|passthrough|none}],"
 2690:                             "mount_tag=tag.\n");
 2691:                     exit(1);
 2692:                 }
 2693:                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
 2694:                                          qemu_opt_get(opts, "mount_tag"), 1);
 2695:                 if (!fsdev) {
 2696:                     fprintf(stderr, "duplicate fsdev id: %s\n",
 2697:                             qemu_opt_get(opts, "mount_tag"));
 2698:                     exit(1);
 2699:                 }
 2700: 
 2701:                 writeout = qemu_opt_get(opts, "writeout");
 2702:                 if (writeout) {
 2703: #ifdef CONFIG_SYNC_FILE_RANGE
 2704:                     qemu_opt_set(fsdev, "writeout", writeout);
 2705: #else
 2706:                     fprintf(stderr, "writeout=immediate not supported on "
 2707:                             "this platform\n");
 2708:                     exit(1);
 2709: #endif
 2710:                 }
 2711:                 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
 2712:                 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
 2713:                 qemu_opt_set(fsdev, "security_model",
 2714:                              qemu_opt_get(opts, "security_model"));
 2715: 
 2716:                 qemu_opt_set_bool(fsdev, "readonly",
 2717:                                 qemu_opt_get_bool(opts, "readonly", 0));
 2718:                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
 2719:                 qemu_opt_set(device, "driver", "virtio-9p-pci");
 2720:                 qemu_opt_set(device, "fsdev",
 2721:                              qemu_opt_get(opts, "mount_tag"));
 2722:                 qemu_opt_set(device, "mount_tag",
 2723:                              qemu_opt_get(opts, "mount_tag"));
 2724:                 break;
 2725:             }
 2726:             case QEMU_OPTION_virtfs_synth: {
 2727:                 QemuOpts *fsdev;
 2728:                 QemuOpts *device;
 2729: 
 2730:                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
 2731:                 if (!fsdev) {
 2732:                     fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
 2733:                     exit(1);
 2734:                 }
 2735:                 qemu_opt_set(fsdev, "fsdriver", "synth");
 2736:                 qemu_opt_set(fsdev, "path", "/"); /* ignored */
 2737: 
 2738:                 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
 2739:                 qemu_opt_set(device, "driver", "virtio-9p-pci");
 2740:                 qemu_opt_set(device, "fsdev", "v_synth");
 2741:                 qemu_opt_set(device, "mount_tag", "v_synth");
 2742:                 break;
 2743:             }
 2744:             case QEMU_OPTION_serial:
 2745:                 add_device_config(DEV_SERIAL, optarg);
 2746:                 default_serial = 0;
 2747:                 if (strncmp(optarg, "mon:", 4) == 0) {
 2748:                     default_monitor = 0;
 2749:                 }
 2750:                 break;
 2751:             case QEMU_OPTION_watchdog:
 2752:                 if (watchdog) {
 2753:                     fprintf(stderr,
 2754:                             "qemu: only one watchdog option may be given\n");
 2755:                     return 1;
 2756:                 }
 2757:                 watchdog = optarg;
 2758:                 break;
 2759:             case QEMU_OPTION_watchdog_action:
 2760:                 if (select_watchdog_action(optarg) == -1) {
 2761:                     fprintf(stderr, "Unknown -watchdog-action parameter\n");
 2762:                     exit(1);
 2763:                 }
 2764:                 break;
 2765:             case QEMU_OPTION_virtiocon:
 2766:                 add_device_config(DEV_VIRTCON, optarg);
 2767:                 default_virtcon = 0;
 2768:                 if (strncmp(optarg, "mon:", 4) == 0) {
 2769:                     default_monitor = 0;
 2770:                 }
 2771:                 break;
 2772:             case QEMU_OPTION_parallel:
 2773:                 add_device_config(DEV_PARALLEL, optarg);
 2774:                 default_parallel = 0;
 2775:                 if (strncmp(optarg, "mon:", 4) == 0) {
 2776:                     default_monitor = 0;
 2777:                 }
 2778:                 break;
 2779:             case QEMU_OPTION_debugcon:
 2780:                 add_device_config(DEV_DEBUGCON, optarg);
 2781:                 break;
 2782: 	    case QEMU_OPTION_loadvm:
 2783: 		loadvm = optarg;
 2784: 		break;
 2785:             case QEMU_OPTION_full_screen:
 2786:                 full_screen = 1;
 2787:                 break;
 2788: #ifdef CONFIG_SDL
 2789:             case QEMU_OPTION_no_frame:
 2790:                 no_frame = 1;
 2791:                 break;
 2792:             case QEMU_OPTION_alt_grab:
 2793:                 alt_grab = 1;
 2794:                 break;
 2795:             case QEMU_OPTION_ctrl_grab:
 2796:                 ctrl_grab = 1;
 2797:                 break;
 2798:             case QEMU_OPTION_no_quit:
 2799:                 no_quit = 1;
 2800:                 break;
 2801:             case QEMU_OPTION_sdl:
 2802:                 display_type = DT_SDL;
 2803:                 break;
 2804: #else
 2805:             case QEMU_OPTION_no_frame:
 2806:             case QEMU_OPTION_alt_grab:
 2807:             case QEMU_OPTION_ctrl_grab:
 2808:             case QEMU_OPTION_no_quit:
 2809:             case QEMU_OPTION_sdl:
 2810:                 fprintf(stderr, "SDL support is disabled\n");
 2811:                 exit(1);
 2812: #endif
 2813:             case QEMU_OPTION_pidfile:
 2814:                 pid_file = optarg;
 2815:                 break;
 2816:             case QEMU_OPTION_win2k_hack:
 2817:                 win2k_install_hack = 1;
 2818:                 break;
 2819:             case QEMU_OPTION_rtc_td_hack:
 2820:                 rtc_td_hack = 1;
 2821:                 break;
 2822:             case QEMU_OPTION_acpitable:
 2823:                 do_acpitable_option(optarg);
 2824:                 break;
 2825:             case QEMU_OPTION_smbios:
 2826:                 do_smbios_option(optarg);
 2827:                 break;
 2828:             case QEMU_OPTION_enable_kvm:
 2829:                 olist = qemu_find_opts("machine");
 2830:                 qemu_opts_reset(olist);
 2831:                 qemu_opts_parse(olist, "accel=kvm", 0);
 2832:                 break;
 2833:             case QEMU_OPTION_machine:
 2834:                 olist = qemu_find_opts("machine");
 2835:                 qemu_opts_reset(olist);
 2836:                 opts = qemu_opts_parse(olist, optarg, 1);
 2837:                 if (!opts) {
 2838:                     fprintf(stderr, "parse error: %s\n", optarg);
 2839:                     exit(1);
 2840:                 }
 2841:                 optarg = qemu_opt_get(opts, "type");
 2842:                 if (optarg) {
 2843:                     machine = machine_parse(optarg);
 2844:                 }
 2845:                 break;
 2846:             case QEMU_OPTION_usb:
 2847:                 usb_enabled = 1;
 2848:                 break;
 2849:             case QEMU_OPTION_usbdevice:
 2850:                 usb_enabled = 1;
 2851:                 add_device_config(DEV_USB, optarg);
 2852:                 break;
 2853:             case QEMU_OPTION_device:
 2854:                 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
 2855:                     exit(1);
 2856:                 }
 2857:                 break;
 2858:             case QEMU_OPTION_smp:
 2859:                 smp_parse(optarg);
 2860:                 if (smp_cpus < 1) {
 2861:                     fprintf(stderr, "Invalid number of CPUs\n");
 2862:                     exit(1);
 2863:                 }
 2864:                 if (max_cpus < smp_cpus) {
 2865:                     fprintf(stderr, "maxcpus must be equal to or greater than "
 2866:                             "smp\n");
 2867:                     exit(1);
 2868:                 }
 2869:                 if (max_cpus > 255) {
 2870:                     fprintf(stderr, "Unsupported number of maxcpus\n");
 2871:                     exit(1);
 2872:                 }
 2873:                 break;
 2874: 	    case QEMU_OPTION_vnc:
 2875: #ifdef CONFIG_VNC
 2876:                 display_remote++;
 2877:                 vnc_display = optarg;
 2878: #else
 2879:                 fprintf(stderr, "VNC support is disabled\n");
 2880:                 exit(1);
 2881: #endif
 2882:                 break;
 2883:             case QEMU_OPTION_no_acpi:
 2884:                 acpi_enabled = 0;
 2885:                 break;
 2886:             case QEMU_OPTION_no_hpet:
 2887:                 no_hpet = 1;
 2888:                 break;
 2889:             case QEMU_OPTION_balloon:
 2890:                 if (balloon_parse(optarg) < 0) {
 2891:                     fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
 2892:                     exit(1);
 2893:                 }
 2894:                 break;
 2895:             case QEMU_OPTION_no_reboot:
 2896:                 no_reboot = 1;
 2897:                 break;
 2898:             case QEMU_OPTION_no_shutdown:
 2899:                 no_shutdown = 1;
 2900:                 break;
 2901:             case QEMU_OPTION_show_cursor:
 2902:                 cursor_hide = 0;
 2903:                 break;
 2904:             case QEMU_OPTION_uuid:
 2905:                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
 2906:                     fprintf(stderr, "Fail to parse UUID string."
 2907:                             " Wrong format.\n");
 2908:                     exit(1);
 2909:                 }
 2910:                 break;
 2911: 	    case QEMU_OPTION_option_rom:
 2912: 		if (nb_option_roms >= MAX_OPTION_ROMS) {
 2913: 		    fprintf(stderr, "Too many option ROMs\n");
 2914: 		    exit(1);
 2915: 		}
 2916:                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
 2917:                 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
 2918:                 option_rom[nb_option_roms].bootindex =
 2919:                     qemu_opt_get_number(opts, "bootindex", -1);
 2920:                 if (!option_rom[nb_option_roms].name) {
 2921:                     fprintf(stderr, "Option ROM file is not specified\n");
 2922:                     exit(1);
 2923:                 }
 2924: 		nb_option_roms++;
 2925: 		break;
 2926:             case QEMU_OPTION_semihosting:
 2927:                 semihosting_enabled = 1;
 2928:                 break;
 2929:             case QEMU_OPTION_name:
 2930:                 qemu_name = g_strdup(optarg);
 2931: 		 {
 2932: 		     char *p = strchr(qemu_name, ',');
 2933: 		     if (p != NULL) {
 2934: 		        *p++ = 0;
 2935: 			if (strncmp(p, "process=", 8)) {
 2936: 			    fprintf(stderr, "Unknown subargument %s to -name\n", p);
 2937: 			    exit(1);
 2938: 			}
 2939: 			p += 8;
 2940: 			os_set_proc_name(p);
 2941: 		     }	
 2942: 		 }	
 2943:                 break;
 2944:             case QEMU_OPTION_prom_env:
 2945:                 if (nb_prom_envs >= MAX_PROM_ENVS) {
 2946:                     fprintf(stderr, "Too many prom variables\n");
 2947:                     exit(1);
 2948:                 }
 2949:                 prom_envs[nb_prom_envs] = optarg;
 2950:                 nb_prom_envs++;
 2951:                 break;
 2952:             case QEMU_OPTION_old_param:
 2953:                 old_param = 1;
 2954:                 break;
 2955:             case QEMU_OPTION_clock:
 2956:                 configure_alarms(optarg);
 2957:                 break;
 2958:             case QEMU_OPTION_startdate:
 2959:                 configure_rtc_date_offset(optarg, 1);
 2960:                 break;
 2961:             case QEMU_OPTION_rtc:
 2962:                 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
 2963:                 if (!opts) {
 2964:                     exit(1);
 2965:                 }
 2966:                 configure_rtc(opts);
 2967:                 break;
 2968:             case QEMU_OPTION_tb_size:
 2969:                 tcg_tb_size = strtol(optarg, NULL, 0);
 2970:                 if (tcg_tb_size < 0) {
 2971:                     tcg_tb_size = 0;
 2972:                 }
 2973:                 break;
 2974:             case QEMU_OPTION_icount:
 2975:                 icount_option = optarg;
 2976:                 break;
 2977:             case QEMU_OPTION_incoming:
 2978:                 incoming = optarg;
 2979:                 break;
 2980:             case QEMU_OPTION_nodefaults:
 2981:                 default_serial = 0;
 2982:                 default_parallel = 0;
 2983:                 default_virtcon = 0;
 2984:                 default_monitor = 0;
 2985:                 default_vga = 0;
 2986:                 default_net = 0;
 2987:                 default_floppy = 0;
 2988:                 default_cdrom = 0;
 2989:                 default_sdcard = 0;
 2990:                 break;
 2991:             case QEMU_OPTION_xen_domid:
 2992:                 if (!(xen_available())) {
 2993:                     printf("Option %s not supported for this target\n", popt->name);
 2994:                     exit(1);
 2995:                 }
 2996:                 xen_domid = atoi(optarg);
 2997:                 break;
 2998:             case QEMU_OPTION_xen_create:
 2999:                 if (!(xen_available())) {
 3000:                     printf("Option %s not supported for this target\n", popt->name);
 3001:                     exit(1);
 3002:                 }
 3003:                 xen_mode = XEN_CREATE;
 3004:                 break;
 3005:             case QEMU_OPTION_xen_attach:
 3006:                 if (!(xen_available())) {
 3007:                     printf("Option %s not supported for this target\n", popt->name);
 3008:                     exit(1);
 3009:                 }
 3010:                 xen_mode = XEN_ATTACH;
 3011:                 break;
 3012:             case QEMU_OPTION_trace:
 3013:             {
 3014:                 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
 3015:                 if (!opts) {
 3016:                     exit(1);
 3017:                 }
 3018:                 trace_events = qemu_opt_get(opts, "events");
 3019:                 trace_file = qemu_opt_get(opts, "file");
 3020:                 break;
 3021:             }
 3022:             case QEMU_OPTION_readconfig:
 3023:                 {
 3024:                     int ret = qemu_read_config_file(optarg);
 3025:                     if (ret < 0) {
 3026:                         fprintf(stderr, "read config %s: %s\n", optarg,
 3027:                             strerror(-ret));
 3028:                         exit(1);
 3029:                     }
 3030:                     break;
 3031:                 }
 3032:             case QEMU_OPTION_spice:
 3033:                 olist = qemu_find_opts("spice");
 3034:                 if (!olist) {
 3035:                     fprintf(stderr, "spice is not supported by this qemu build.\n");
 3036:                     exit(1);
 3037:                 }
 3038:                 opts = qemu_opts_parse(olist, optarg, 0);
 3039:                 if (!opts) {
 3040:                     fprintf(stderr, "parse error: %s\n", optarg);
 3041:                     exit(1);
 3042:                 }
 3043:                 break;
 3044:             case QEMU_OPTION_writeconfig:
 3045:                 {
 3046:                     FILE *fp;
 3047:                     if (strcmp(optarg, "-") == 0) {
 3048:                         fp = stdout;
 3049:                     } else {
 3050:                         fp = fopen(optarg, "w");
 3051:                         if (fp == NULL) {
 3052:                             fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
 3053:                             exit(1);
 3054:                         }
 3055:                     }
 3056:                     qemu_config_write(fp);
 3057:                     fclose(fp);
 3058:                     break;
 3059:                 }
 3060:             default:
 3061:                 os_parse_cmd_args(popt->index, optarg);
 3062:             }
 3063:         }
 3064:     }
 3065:     loc_set_none();
 3066: 
 3067:     /* Open the logfile at this point, if necessary. We can't open the logfile
 3068:      * when encountering either of the logging options (-d or -D) because the
 3069:      * other one may be encountered later on the command line, changing the
 3070:      * location or level of logging.
 3071:      */
 3072:     if (log_mask) {
 3073:         if (log_file) {
 3074:             set_cpu_log_filename(log_file);
 3075:         }
 3076:         set_cpu_log(log_mask);
 3077:     }
 3078: 
 3079:     if (!trace_backend_init(trace_events, trace_file)) {
 3080:         exit(1);
 3081:     }
 3082: 
 3083:     /* If no data_dir is specified then try to find it relative to the
 3084:        executable path.  */
 3085:     if (!data_dir) {
 3086:         data_dir = os_find_datadir(argv[0]);
 3087:     }
 3088:     /* If all else fails use the install path specified when building. */
 3089:     if (!data_dir) {
 3090:         data_dir = CONFIG_QEMU_DATADIR;
 3091:     }
 3092: 
 3093:     if (machine == NULL) {
 3094:         fprintf(stderr, "No machine found.\n");
 3095:         exit(1);
 3096:     }
 3097: 
 3098:     /*
 3099:      * Default to max_cpus = smp_cpus, in case the user doesn't
 3100:      * specify a max_cpus value.
 3101:      */
 3102:     if (!max_cpus)
 3103:         max_cpus = smp_cpus;
 3104: 
 3105:     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
 3106:     if (smp_cpus > machine->max_cpus) {
 3107:         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
 3108:                 "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
 3109:                 machine->max_cpus);
 3110:         exit(1);
 3111:     }
 3112: 
 3113:     /*
 3114:      * Get the default machine options from the machine if it is not already
 3115:      * specified either by the configuration file or by the command line.
 3116:      */
 3117:     if (machine->default_machine_opts) {
 3118:         QemuOptsList *list = qemu_find_opts("machine");
 3119:         const char *p = NULL;
 3120: 
 3121:         if (!QTAILQ_EMPTY(&list->head)) {
 3122:             p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
 3123:         }
 3124:         if (p == NULL) {
 3125:             qemu_opts_reset(list);
 3126:             opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
 3127:             if (!opts) {
 3128:                 fprintf(stderr, "parse error for machine %s: %s\n",
 3129:                         machine->name, machine->default_machine_opts);
 3130:                 exit(1);
 3131:             }
 3132:         }
 3133:     }
 3134: 
 3135:     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
 3136:     qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
 3137: 
 3138:     if (machine->no_serial) {
 3139:         default_serial = 0;
 3140:     }
 3141:     if (machine->no_parallel) {
 3142:         default_parallel = 0;
 3143:     }
 3144:     if (!machine->use_virtcon) {
 3145:         default_virtcon = 0;
 3146:     }
 3147:     if (machine->no_vga) {
 3148:         default_vga = 0;
 3149:     }
 3150:     if (machine->no_floppy) {
 3151:         default_floppy = 0;
 3152:     }
 3153:     if (machine->no_cdrom) {
 3154:         default_cdrom = 0;
 3155:     }
 3156:     if (machine->no_sdcard) {
 3157:         default_sdcard = 0;
 3158:     }
 3159: 
 3160:     if (display_type == DT_NOGRAPHIC) {
 3161:         if (default_parallel)
 3162:             add_device_config(DEV_PARALLEL, "null");
 3163:         if (default_serial && default_monitor) {
 3164:             add_device_config(DEV_SERIAL, "mon:stdio");
 3165:         } else if (default_virtcon && default_monitor) {
 3166:             add_device_config(DEV_VIRTCON, "mon:stdio");
 3167:         } else {
 3168:             if (default_serial)
 3169:                 add_device_config(DEV_SERIAL, "stdio");
 3170:             if (default_virtcon)
 3171:                 add_device_config(DEV_VIRTCON, "stdio");
 3172:             if (default_monitor)
 3173:                 monitor_parse("stdio", "readline");
 3174:         }
 3175:     } else {
 3176:         if (default_serial)
 3177:             add_device_config(DEV_SERIAL, "vc:80Cx24C");
 3178:         if (default_parallel)
 3179:             add_device_config(DEV_PARALLEL, "vc:80Cx24C");
 3180:         if (default_monitor)
 3181:             monitor_parse("vc:80Cx24C", "readline");
 3182:         if (default_virtcon)
 3183:             add_device_config(DEV_VIRTCON, "vc:80Cx24C");
 3184:     }
 3185:     if (default_vga)
 3186:         vga_interface_type = VGA_CIRRUS;
 3187: 
 3188:     socket_init();
 3189: 
 3190:     if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
 3191:         exit(1);
 3192: #ifdef CONFIG_VIRTFS
 3193:     if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
 3194:         exit(1);
 3195:     }
 3196: #endif
 3197: 
 3198:     os_daemonize();
 3199: 
 3200:     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
 3201:         os_pidfile_error();
 3202:         exit(1);
 3203:     }
 3204: 
 3205:     /* init the memory */
 3206:     if (ram_size == 0) {
 3207:         ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
 3208:     }
 3209: 
 3210:     configure_accelerator();
 3211: 
 3212:     qemu_init_cpu_loop();
 3213:     if (qemu_init_main_loop()) {
 3214:         fprintf(stderr, "qemu_init_main_loop failed\n");
 3215:         exit(1);
 3216:     }
 3217:     linux_boot = (kernel_filename != NULL);
 3218: 
 3219:     if (!linux_boot && *kernel_cmdline != '\0') {
 3220:         fprintf(stderr, "-append only allowed with -kernel option\n");
 3221:         exit(1);
 3222:     }
 3223: 
 3224:     if (!linux_boot && initrd_filename != NULL) {
 3225:         fprintf(stderr, "-initrd only allowed with -kernel option\n");
 3226:         exit(1);
 3227:     }
 3228: 
 3229:     os_set_line_buffering();
 3230: 
 3231:     if (init_timer_alarm() < 0) {
 3232:         fprintf(stderr, "could not initialize alarm timer\n");
 3233:         exit(1);
 3234:     }
 3235: 
 3236:     if (icount_option && (kvm_enabled() || xen_enabled())) {
 3237:         fprintf(stderr, "-icount is not allowed with kvm or xen\n");
 3238:         exit(1);
 3239:     }
 3240:     configure_icount(icount_option);
 3241: 
 3242:     if (net_init_clients() < 0) {
 3243:         exit(1);
 3244:     }
 3245: 
 3246:     /* init the bluetooth world */
 3247:     if (foreach_device_config(DEV_BT, bt_parse))
 3248:         exit(1);
 3249: 
 3250:     if (!xen_enabled()) {
 3251:         /* On 32-bit hosts, QEMU is limited by virtual address space */
 3252:         if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
 3253:             fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
 3254:             exit(1);
 3255:         }
 3256:     }
 3257: 
 3258:     cpu_exec_init_all();
 3259: 
 3260:     bdrv_init_with_whitelist();
 3261: 
 3262:     blk_mig_init();
 3263: 
 3264:     /* open the virtual block devices */
 3265:     if (snapshot)
 3266:         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
 3267:     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
 3268:         exit(1);
 3269: 
 3270:     default_drive(default_cdrom, snapshot, machine->use_scsi,
 3271:                   IF_DEFAULT, 2, CDROM_OPTS);
 3272:     default_drive(default_floppy, snapshot, machine->use_scsi,
 3273:                   IF_FLOPPY, 0, FD_OPTS);
 3274:     default_drive(default_sdcard, snapshot, machine->use_scsi,
 3275:                   IF_SD, 0, SD_OPTS);
 3276: 
 3277:     register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
 3278:                          ram_load, NULL);
 3279: 
 3280:     if (nb_numa_nodes > 0) {
 3281:         int i;
 3282: 
 3283:         if (nb_numa_nodes > MAX_NODES) {
 3284:             nb_numa_nodes = MAX_NODES;
 3285:         }
 3286: 
 3287:         /* If no memory size if given for any node, assume the default case
 3288:          * and distribute the available memory equally across all nodes
 3289:          */
 3290:         for (i = 0; i < nb_numa_nodes; i++) {
 3291:             if (node_mem[i] != 0)
 3292:                 break;
 3293:         }
 3294:         if (i == nb_numa_nodes) {
 3295:             uint64_t usedmem = 0;
 3296: 
 3297:             /* On Linux, the each node's border has to be 8MB aligned,
 3298:              * the final node gets the rest.
 3299:              */
 3300:             for (i = 0; i < nb_numa_nodes - 1; i++) {
 3301:                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
 3302:                 usedmem += node_mem[i];
 3303:             }
 3304:             node_mem[i] = ram_size - usedmem;
 3305:         }
 3306: 
 3307:         for (i = 0; i < nb_numa_nodes; i++) {
 3308:             if (node_cpumask[i] != 0)
 3309:                 break;
 3310:         }
 3311:         /* assigning the VCPUs round-robin is easier to implement, guest OSes
 3312:          * must cope with this anyway, because there are BIOSes out there in
 3313:          * real machines which also use this scheme.
 3314:          */
 3315:         if (i == nb_numa_nodes) {
 3316:             for (i = 0; i < smp_cpus; i++) {
 3317:                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
 3318:             }
 3319:         }
 3320:     }
 3321: 
 3322:     if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
 3323:         exit(1);
 3324:     }
 3325: 
 3326:     if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
 3327:         exit(1);
 3328:     if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
 3329:         exit(1);
 3330:     if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
 3331:         exit(1);
 3332:     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
 3333:         exit(1);
 3334: 
 3335:     module_call_init(MODULE_INIT_DEVICE);
 3336: 
 3337:     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
 3338:         exit(0);
 3339: 
 3340:     if (watchdog) {
 3341:         i = select_watchdog(watchdog);
 3342:         if (i > 0)
 3343:             exit (i == 1 ? 1 : 0);
 3344:     }
 3345: 
 3346:     if (machine->compat_props) {
 3347:         qdev_prop_register_global_list(machine->compat_props);
 3348:     }
 3349:     qemu_add_globals();
 3350: 
 3351:     machine->init(ram_size, boot_devices,
 3352:                   kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
 3353: 
 3354:     cpu_synchronize_all_post_init();
 3355: 
 3356:     set_numa_modes();
 3357: 
 3358:     current_machine = machine;
 3359: 
 3360:     /* init USB devices */
 3361:     if (usb_enabled) {
 3362:         if (foreach_device_config(DEV_USB, usb_parse) < 0)
 3363:             exit(1);
 3364:     }
 3365: 
 3366:     /* init generic devices */
 3367:     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
 3368:         exit(1);
 3369: 
 3370:     net_check_clients();
 3371: 
 3372:     /* just use the first displaystate for the moment */
 3373:     ds = get_displaystate();
 3374: 
 3375:     if (using_spice)
 3376:         display_remote++;
 3377:     if (display_type == DT_DEFAULT && !display_remote) {
 3378: #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
 3379:         display_type = DT_SDL;
 3380: #elif defined(CONFIG_VNC)
 3381:         vnc_display = "localhost:0,to=99";
 3382:         show_vnc_port = 1;
 3383: #else
 3384:         display_type = DT_NONE;
 3385: #endif
 3386:     }
 3387: 
 3388: 
 3389:     /* init local displays */
 3390:     switch (display_type) {
 3391:     case DT_NOGRAPHIC:
 3392:         break;
 3393: #if defined(CONFIG_CURSES)
 3394:     case DT_CURSES:
 3395:         curses_display_init(ds, full_screen);
 3396:         break;
 3397: #endif
 3398: #if defined(CONFIG_SDL)
 3399:     case DT_SDL:
 3400:         sdl_display_init(ds, full_screen, no_frame);
 3401:         break;
 3402: #elif defined(CONFIG_COCOA)
 3403:     case DT_SDL:
 3404:         cocoa_display_init(ds, full_screen);
 3405:         break;
 3406: #endif
 3407:     default:
 3408:         break;
 3409:     }
 3410: 
 3411:     /* must be after terminal init, SDL library changes signal handlers */
 3412:     os_setup_signal_handling();
 3413: 
 3414: #ifdef CONFIG_VNC
 3415:     /* init remote displays */
 3416:     if (vnc_display) {
 3417:         vnc_display_init(ds);
 3418:         if (vnc_display_open(ds, vnc_display) < 0)
 3419:             exit(1);
 3420: 
 3421:         if (show_vnc_port) {
 3422:             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
 3423:         }
 3424:     }
 3425: #endif
 3426: #ifdef CONFIG_SPICE
 3427:     if (using_spice && !qxl_enabled) {
 3428:         qemu_spice_display_init(ds);
 3429:     }
 3430: #endif
 3431: 
 3432:     /* display setup */
 3433:     dpy_resize(ds);
 3434:     dcl = ds->listeners;
 3435:     while (dcl != NULL) {
 3436:         if (dcl->dpy_refresh != NULL) {
 3437:             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
 3438:             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
 3439:             break;
 3440:         }
 3441:         dcl = dcl->next;
 3442:     }
 3443:     text_consoles_set_display(ds);
 3444: 
 3445:     if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
 3446:         fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
 3447:                 gdbstub_dev);
 3448:         exit(1);
 3449:     }
 3450: 
 3451:     qdev_machine_creation_done();
 3452: 
 3453:     if (rom_load_all() != 0) {
 3454:         fprintf(stderr, "rom loading failed\n");
 3455:         exit(1);
 3456:     }
 3457: 
 3458:     /* TODO: once all bus devices are qdevified, this should be done
 3459:      * when bus is created by qdev.c */
 3460:     qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
 3461:     qemu_run_machine_init_done_notifiers();
 3462: 
 3463:     qemu_system_reset(VMRESET_SILENT);
 3464:     if (loadvm) {
 3465:         if (load_vmstate(loadvm) < 0) {
 3466:             autostart = 0;
 3467:         }
 3468:     }
 3469: 
 3470:     if (incoming) {
 3471:         runstate_set(RUN_STATE_INMIGRATE);
 3472:         int ret = qemu_start_incoming_migration(incoming);
 3473:         if (ret < 0) {
 3474:             fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
 3475:                     incoming, ret);
 3476:             exit(ret);
 3477:         }
 3478:     } else if (autostart) {
 3479:         vm_start();
 3480:     }
 3481: 
 3482:     os_setup_post();
 3483: 
 3484:     resume_all_vcpus();
 3485:     main_loop();
 3486:     bdrv_close_all();
 3487:     pause_all_vcpus();
 3488:     net_cleanup();
 3489:     res_free();
 3490: 
 3491:     return 0;
 3492: }

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