/* * QEMU System Emulator * * Copyright (c) 2003-2008 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include #include #include #include #include #include #include /* Needed early for CONFIG_BSD etc. */ #include "config-host.h" #ifndef _WIN32 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_BSD #include #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) #include #include #else #include #endif #else #ifdef __linux__ #include #include #include #include #endif #ifdef __sun__ #include #include #include #include #include #include #include // must come after ip.h #include #include #include #include #include #endif #endif #endif #if defined(__OpenBSD__) #include #endif #if defined(CONFIG_VDE) #include #endif #ifdef _WIN32 #include #endif #ifdef CONFIG_SDL #if defined(__APPLE__) || defined(main) #include int qemu_main(int argc, char **argv, char **envp); int main(int argc, char **argv) { return qemu_main(argc, argv, NULL); } #undef main #define main qemu_main #endif #endif /* CONFIG_SDL */ #ifdef CONFIG_COCOA #undef main #define main qemu_main #endif /* CONFIG_COCOA */ #include #include "hw/hw.h" #include "hw/boards.h" #include "hw/usb.h" #include "hw/pcmcia.h" #include "hw/pc.h" #include "hw/isa.h" #include "hw/baum.h" #include "hw/bt.h" #include "hw/watchdog.h" #include "hw/smbios.h" #include "hw/xen.h" #include "hw/qdev.h" #include "hw/loader.h" #include "bt-host.h" #include "net.h" #include "net/slirp.h" #include "monitor.h" #include "console.h" #include "sysemu.h" #include "gdbstub.h" #include "qemu-timer.h" #include "qemu-char.h" #include "cache-utils.h" #include "block.h" #include "blockdev.h" #include "block-migration.h" #include "dma.h" #include "audio/audio.h" #include "migration.h" #include "kvm.h" #include "qjson.h" #include "qemu-option.h" #include "qemu-config.h" #include "qemu-options.h" #include "qmp-commands.h" #include "main-loop.h" #ifdef CONFIG_VIRTFS #include "fsdev/qemu-fsdev.h" #endif #include "disas.h" #include "qemu_socket.h" #include "slirp/libslirp.h" #include "trace.h" #include "trace/control.h" #include "qemu-queue.h" #include "cpus.h" #include "arch_init.h" #include "ui/qemu-spice.h" //#define DEBUG_NET //#define DEBUG_SLIRP #define DEFAULT_RAM_SIZE 128 #define MAX_VIRTIO_CONSOLES 1 static const char *data_dir; const char *bios_name = NULL; enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; DisplayType display_type = DT_DEFAULT; int display_remote = 0; const char* keyboard_layout = NULL; ram_addr_t ram_size; const char *mem_path = NULL; #ifdef MAP_POPULATE int mem_prealloc = 0; /* force preallocation of physical target memory */ #endif int nb_nics; NICInfo nd_table[MAX_NICS]; int autostart; static int rtc_utc = 1; static int rtc_date_offset = -1; /* -1 means no change */ QEMUClock *rtc_clock; int vga_interface_type = VGA_NONE; static int full_screen = 0; #ifdef CONFIG_SDL static int no_frame = 0; #endif int no_quit = 0; CharDriverState *serial_hds[MAX_SERIAL_PORTS]; CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; int win2k_install_hack = 0; int rtc_td_hack = 0; int usb_enabled = 0; int singlestep = 0; int smp_cpus = 1; int max_cpus = 0; int smp_cores = 1; int smp_threads = 1; #ifdef CONFIG_VNC const char *vnc_display; #endif int acpi_enabled = 1; int no_hpet = 0; int fd_bootchk = 1; int no_reboot = 0; int no_shutdown = 0; int cursor_hide = 1; int graphic_rotate = 0; uint8_t irq0override = 1; const char *watchdog; QEMUOptionRom option_rom[MAX_OPTION_ROMS]; int nb_option_roms; int semihosting_enabled = 0; int old_param = 0; const char *qemu_name; int alt_grab = 0; int ctrl_grab = 0; unsigned int nb_prom_envs = 0; const char *prom_envs[MAX_PROM_ENVS]; int boot_menu; uint8_t *boot_splash_filedata; int boot_splash_filedata_size; uint8_t qemu_extra_params_fw[2]; typedef struct FWBootEntry FWBootEntry; struct FWBootEntry { QTAILQ_ENTRY(FWBootEntry) link; int32_t bootindex; DeviceState *dev; char *suffix; }; QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order); int nb_numa_nodes; uint64_t node_mem[MAX_NODES]; uint64_t node_cpumask[MAX_NODES]; uint8_t qemu_uuid[16]; static QEMUBootSetHandler *boot_set_handler; static void *boot_set_opaque; static NotifierList exit_notifiers = NOTIFIER_LIST_INITIALIZER(exit_notifiers); static NotifierList machine_init_done_notifiers = NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); static int tcg_allowed = 1; int kvm_allowed = 0; int xen_allowed = 0; uint32_t xen_domid; enum xen_mode xen_mode = XEN_EMULATE; static int tcg_tb_size; static int default_serial = 1; static int default_parallel = 1; static int default_virtcon = 1; static int default_monitor = 1; static int default_vga = 1; static int default_floppy = 1; static int default_cdrom = 1; static int default_sdcard = 1; static struct { const char *driver; int *flag; } default_list[] = { { .driver = "isa-serial", .flag = &default_serial }, { .driver = "isa-parallel", .flag = &default_parallel }, { .driver = "isa-fdc", .flag = &default_floppy }, { .driver = "ide-cd", .flag = &default_cdrom }, { .driver = "ide-hd", .flag = &default_cdrom }, { .driver = "ide-drive", .flag = &default_cdrom }, { .driver = "scsi-cd", .flag = &default_cdrom }, { .driver = "virtio-serial-pci", .flag = &default_virtcon }, { .driver = "virtio-serial-s390", .flag = &default_virtcon }, { .driver = "virtio-serial", .flag = &default_virtcon }, { .driver = "VGA", .flag = &default_vga }, { .driver = "cirrus-vga", .flag = &default_vga }, { .driver = "vmware-svga", .flag = &default_vga }, { .driver = "isa-vga", .flag = &default_vga }, { .driver = "qxl-vga", .flag = &default_vga }, }; static void res_free(void) { if (boot_splash_filedata != NULL) { g_free(boot_splash_filedata); boot_splash_filedata = NULL; } } static int default_driver_check(QemuOpts *opts, void *opaque) { const char *driver = qemu_opt_get(opts, "driver"); int i; if (!driver) return 0; for (i = 0; i < ARRAY_SIZE(default_list); i++) { if (strcmp(default_list[i].driver, driver) != 0) continue; *(default_list[i].flag) = 0; } return 0; } /***********************************************************/ /* QEMU state */ static RunState current_run_state = RUN_STATE_PRELAUNCH; typedef struct { RunState from; RunState to; } RunStateTransition; static const RunStateTransition runstate_transitions_def[] = { /* from -> to */ { RUN_STATE_DEBUG, RUN_STATE_RUNNING }, { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING }, { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH }, { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED }, { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING }, { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_PAUSED, RUN_STATE_RUNNING }, { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING }, { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING }, { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE }, { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING }, { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE }, { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING }, { RUN_STATE_RUNNING, RUN_STATE_DEBUG }, { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR }, { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR }, { RUN_STATE_RUNNING, RUN_STATE_PAUSED }, { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM }, { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM }, { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN }, { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG }, { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING }, { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED }, { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING }, { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE }, { RUN_STATE_MAX, RUN_STATE_MAX }, }; static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX]; bool runstate_check(RunState state) { return current_run_state == state; } void runstate_init(void) { const RunStateTransition *p; memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions)); for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) { runstate_valid_transitions[p->from][p->to] = true; } } /* This function will abort() on invalid state transitions */ void runstate_set(RunState new_state) { assert(new_state < RUN_STATE_MAX); if (!runstate_valid_transitions[current_run_state][new_state]) { fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n", RunState_lookup[current_run_state], RunState_lookup[new_state]); abort(); } current_run_state = new_state; } int runstate_is_running(void) { return runstate_check(RUN_STATE_RUNNING); } StatusInfo *qmp_query_status(Error **errp) { StatusInfo *info = g_malloc0(sizeof(*info)); info->running = runstate_is_running(); info->singlestep = singlestep; info->status = current_run_state; return info; } /***********************************************************/ /* real time host monotonic timer */ /***********************************************************/ /* host time/date access */ void qemu_get_timedate(struct tm *tm, int offset) { time_t ti; struct tm *ret; time(&ti); ti += offset; if (rtc_date_offset == -1) { if (rtc_utc) ret = gmtime(&ti); else ret = localtime(&ti); } else { ti -= rtc_date_offset; ret = gmtime(&ti); } memcpy(tm, ret, sizeof(struct tm)); } int qemu_timedate_diff(struct tm *tm) { time_t seconds; if (rtc_date_offset == -1) if (rtc_utc) seconds = mktimegm(tm); else seconds = mktime(tm); else seconds = mktimegm(tm) + rtc_date_offset; return seconds - time(NULL); } void rtc_change_mon_event(struct tm *tm) { QObject *data; data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm)); monitor_protocol_event(QEVENT_RTC_CHANGE, data); qobject_decref(data); } static void configure_rtc_date_offset(const char *startdate, int legacy) { time_t rtc_start_date; struct tm tm; if (!strcmp(startdate, "now") && legacy) { rtc_date_offset = -1; } else { if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) { /* OK */ } else if (sscanf(startdate, "%d-%d-%d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) { tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; } else { goto date_fail; } tm.tm_year -= 1900; tm.tm_mon--; rtc_start_date = mktimegm(&tm); if (rtc_start_date == -1) { date_fail: fprintf(stderr, "Invalid date format. Valid formats are:\n" "'2006-06-17T16:01:21' or '2006-06-17'\n"); exit(1); } rtc_date_offset = time(NULL) - rtc_start_date; } } static void configure_rtc(QemuOpts *opts) { const char *value; value = qemu_opt_get(opts, "base"); if (value) { if (!strcmp(value, "utc")) { rtc_utc = 1; } else if (!strcmp(value, "localtime")) { rtc_utc = 0; } else { configure_rtc_date_offset(value, 0); } } value = qemu_opt_get(opts, "clock"); if (value) { if (!strcmp(value, "host")) { rtc_clock = host_clock; } else if (!strcmp(value, "vm")) { rtc_clock = vm_clock; } else { fprintf(stderr, "qemu: invalid option value '%s'\n", value); exit(1); } } value = qemu_opt_get(opts, "driftfix"); if (value) { if (!strcmp(value, "slew")) { rtc_td_hack = 1; } else if (!strcmp(value, "none")) { rtc_td_hack = 0; } else { fprintf(stderr, "qemu: invalid option value '%s'\n", value); exit(1); } } } /***********************************************************/ /* Bluetooth support */ static int nb_hcis; static int cur_hci; static struct HCIInfo *hci_table[MAX_NICS]; static struct bt_vlan_s { struct bt_scatternet_s net; int id; struct bt_vlan_s *next; } *first_bt_vlan; /* find or alloc a new bluetooth "VLAN" */ static struct bt_scatternet_s *qemu_find_bt_vlan(int id) { struct bt_vlan_s **pvlan, *vlan; for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { if (vlan->id == id) return &vlan->net; } vlan = g_malloc0(sizeof(struct bt_vlan_s)); vlan->id = id; pvlan = &first_bt_vlan; while (*pvlan != NULL) pvlan = &(*pvlan)->next; *pvlan = vlan; return &vlan->net; } static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) { } static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) { return -ENOTSUP; } static struct HCIInfo null_hci = { .cmd_send = null_hci_send, .sco_send = null_hci_send, .acl_send = null_hci_send, .bdaddr_set = null_hci_addr_set, }; struct HCIInfo *qemu_next_hci(void) { if (cur_hci == nb_hcis) return &null_hci; return hci_table[cur_hci++]; } static struct HCIInfo *hci_init(const char *str) { char *endp; struct bt_scatternet_s *vlan = 0; if (!strcmp(str, "null")) /* null */ return &null_hci; else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) /* host[:hciN] */ return bt_host_hci(str[4] ? str + 5 : "hci0"); else if (!strncmp(str, "hci", 3)) { /* hci[,vlan=n] */ if (str[3]) { if (!strncmp(str + 3, ",vlan=", 6)) { vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); if (*endp) vlan = 0; } } else vlan = qemu_find_bt_vlan(0); if (vlan) return bt_new_hci(vlan); } fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); return 0; } static int bt_hci_parse(const char *str) { struct HCIInfo *hci; bdaddr_t bdaddr; if (nb_hcis >= MAX_NICS) { fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); return -1; } hci = hci_init(str); if (!hci) return -1; bdaddr.b[0] = 0x52; bdaddr.b[1] = 0x54; bdaddr.b[2] = 0x00; bdaddr.b[3] = 0x12; bdaddr.b[4] = 0x34; bdaddr.b[5] = 0x56 + nb_hcis; hci->bdaddr_set(hci, bdaddr.b); hci_table[nb_hcis++] = hci; return 0; } static void bt_vhci_add(int vlan_id) { struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); if (!vlan->slave) fprintf(stderr, "qemu: warning: adding a VHCI to " "an empty scatternet %i\n", vlan_id); bt_vhci_init(bt_new_hci(vlan)); } static struct bt_device_s *bt_device_add(const char *opt) { struct bt_scatternet_s *vlan; int vlan_id = 0; char *endp = strstr(opt, ",vlan="); int len = (endp ? endp - opt : strlen(opt)) + 1; char devname[10]; pstrcpy(devname, MIN(sizeof(devname), len), opt); if (endp) { vlan_id = strtol(endp + 6, &endp, 0); if (*endp) { fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); return 0; } } vlan = qemu_find_bt_vlan(vlan_id); if (!vlan->slave) fprintf(stderr, "qemu: warning: adding a slave device to " "an empty scatternet %i\n", vlan_id); if (!strcmp(devname, "keyboard")) return bt_keyboard_init(vlan); fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); return 0; } static int bt_parse(const char *opt) { const char *endp, *p; int vlan; if (strstart(opt, "hci", &endp)) { if (!*endp || *endp == ',') { if (*endp) if (!strstart(endp, ",vlan=", 0)) opt = endp + 1; return bt_hci_parse(opt); } } else if (strstart(opt, "vhci", &endp)) { if (!*endp || *endp == ',') { if (*endp) { if (strstart(endp, ",vlan=", &p)) { vlan = strtol(p, (char **) &endp, 0); if (*endp) { fprintf(stderr, "qemu: bad scatternet '%s'\n", p); return 1; } } else { fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); return 1; } } else vlan = 0; bt_vhci_add(vlan); return 0; } } else if (strstart(opt, "device:", &endp)) return !bt_device_add(endp); fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); return 1; } /***********************************************************/ /* QEMU Block devices */ #define HD_OPTS "media=disk" #define CDROM_OPTS "media=cdrom" #define FD_OPTS "" #define PFLASH_OPTS "" #define MTD_OPTS "" #define SD_OPTS "" static int drive_init_func(QemuOpts *opts, void *opaque) { int *use_scsi = opaque; return drive_init(opts, *use_scsi) == NULL; } static int drive_enable_snapshot(QemuOpts *opts, void *opaque) { if (NULL == qemu_opt_get(opts, "snapshot")) { qemu_opt_set(opts, "snapshot", "on"); } return 0; } static void default_drive(int enable, int snapshot, int use_scsi, BlockInterfaceType type, int index, const char *optstr) { QemuOpts *opts; if (type == IF_DEFAULT) { type = use_scsi ? IF_SCSI : IF_IDE; } if (!enable || drive_get_by_index(type, index)) { return; } opts = drive_add(type, index, NULL, optstr); if (snapshot) { drive_enable_snapshot(opts, NULL); } if (!drive_init(opts, use_scsi)) { exit(1); } } void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) { boot_set_handler = func; boot_set_opaque = opaque; } int qemu_boot_set(const char *boot_devices) { if (!boot_set_handler) { return -EINVAL; } return boot_set_handler(boot_set_opaque, boot_devices); } static void validate_bootdevices(char *devices) { /* We just do some generic consistency checks */ const char *p; int bitmap = 0; for (p = devices; *p != '\0'; p++) { /* Allowed boot devices are: * a-b: floppy disk drives * c-f: IDE disk drives * g-m: machine implementation dependant drives * n-p: network devices * It's up to each machine implementation to check if the given boot * devices match the actual hardware implementation and firmware * features. */ if (*p < 'a' || *p > 'p') { fprintf(stderr, "Invalid boot device '%c'\n", *p); exit(1); } if (bitmap & (1 << (*p - 'a'))) { fprintf(stderr, "Boot device '%c' was given twice\n", *p); exit(1); } bitmap |= 1 << (*p - 'a'); } } static void restore_boot_devices(void *opaque) { char *standard_boot_devices = opaque; static int first = 1; /* Restore boot order and remove ourselves after the first boot */ if (first) { first = 0; return; } qemu_boot_set(standard_boot_devices); qemu_unregister_reset(restore_boot_devices, standard_boot_devices); g_free(standard_boot_devices); } void add_boot_device_path(int32_t bootindex, DeviceState *dev, const char *suffix) { FWBootEntry *node, *i; if (bootindex < 0) { return; } assert(dev != NULL || suffix != NULL); node = g_malloc0(sizeof(FWBootEntry)); node->bootindex = bootindex; node->suffix = suffix ? g_strdup(suffix) : NULL; node->dev = dev; QTAILQ_FOREACH(i, &fw_boot_order, link) { if (i->bootindex == bootindex) { fprintf(stderr, "Two devices with same boot index %d\n", bootindex); exit(1); } else if (i->bootindex < bootindex) { continue; } QTAILQ_INSERT_BEFORE(i, node, link); return; } QTAILQ_INSERT_TAIL(&fw_boot_order, node, link); } /* * This function returns null terminated string that consist of new line * separated device paths. * * memory pointed by "size" is assigned total length of the array in bytes * */ char *get_boot_devices_list(uint32_t *size) { FWBootEntry *i; uint32_t total = 0; char *list = NULL; QTAILQ_FOREACH(i, &fw_boot_order, link) { char *devpath = NULL, *bootpath; int len; if (i->dev) { devpath = qdev_get_fw_dev_path(i->dev); assert(devpath); } if (i->suffix && devpath) { size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1; bootpath = g_malloc(bootpathlen); snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix); g_free(devpath); } else if (devpath) { bootpath = devpath; } else { bootpath = g_strdup(i->suffix); assert(bootpath); } if (total) { list[total-1] = '\n'; } len = strlen(bootpath) + 1; list = g_realloc(list, total + len); memcpy(&list[total], bootpath, len); total += len; g_free(bootpath); } *size = total; return list; } static void numa_add(const char *optarg) { char option[128]; char *endptr; unsigned long long value, endvalue; int nodenr; optarg = get_opt_name(option, 128, optarg, ',') + 1; if (!strcmp(option, "node")) { if (get_param_value(option, 128, "nodeid", optarg) == 0) { nodenr = nb_numa_nodes; } else { nodenr = strtoull(option, NULL, 10); } if (get_param_value(option, 128, "mem", optarg) == 0) { node_mem[nodenr] = 0; } else { int64_t sval; sval = strtosz(option, NULL); if (sval < 0) { fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg); exit(1); } node_mem[nodenr] = sval; } if (get_param_value(option, 128, "cpus", optarg) == 0) { node_cpumask[nodenr] = 0; } else { value = strtoull(option, &endptr, 10); if (value >= 64) { value = 63; fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); } else { if (*endptr == '-') { endvalue = strtoull(endptr+1, &endptr, 10); if (endvalue >= 63) { endvalue = 62; fprintf(stderr, "only 63 CPUs in NUMA mode supported.\n"); } value = (2ULL << endvalue) - (1ULL << value); } else { value = 1ULL << value; } } node_cpumask[nodenr] = value; } nb_numa_nodes++; } return; } static void smp_parse(const char *optarg) { int smp, sockets = 0, threads = 0, cores = 0; char *endptr; char option[128]; smp = strtoul(optarg, &endptr, 10); if (endptr != optarg) { if (*endptr == ',') { endptr++; } } if (get_param_value(option, 128, "sockets", endptr) != 0) sockets = strtoull(option, NULL, 10); if (get_param_value(option, 128, "cores", endptr) != 0) cores = strtoull(option, NULL, 10); if (get_param_value(option, 128, "threads", endptr) != 0) threads = strtoull(option, NULL, 10); if (get_param_value(option, 128, "maxcpus", endptr) != 0) max_cpus = strtoull(option, NULL, 10); /* compute missing values, prefer sockets over cores over threads */ if (smp == 0 || sockets == 0) { sockets = sockets > 0 ? sockets : 1; cores = cores > 0 ? cores : 1; threads = threads > 0 ? threads : 1; if (smp == 0) { smp = cores * threads * sockets; } } else { if (cores == 0) { threads = threads > 0 ? threads : 1; cores = smp / (sockets * threads); } else { threads = smp / (cores * sockets); } } smp_cpus = smp; smp_cores = cores > 0 ? cores : 1; smp_threads = threads > 0 ? threads : 1; if (max_cpus == 0) max_cpus = smp_cpus; } /***********************************************************/ /* USB devices */ static int usb_device_add(const char *devname) { const char *p; USBDevice *dev = NULL; if (!usb_enabled) return -1; /* drivers with .usbdevice_name entry in USBDeviceInfo */ dev = usbdevice_create(devname); if (dev) goto done; /* the other ones */ #ifndef CONFIG_LINUX /* only the linux version is qdev-ified, usb-bsd still needs this */ if (strstart(devname, "host:", &p)) { dev = usb_host_device_open(p); } else #endif if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { dev = usb_bt_init(devname[2] ? hci_init(p) : bt_new_hci(qemu_find_bt_vlan(0))); } else { return -1; } if (!dev) return -1; done: return 0; } static int usb_device_del(const char *devname) { int bus_num, addr; const char *p; if (strstart(devname, "host:", &p)) return usb_host_device_close(p); if (!usb_enabled) return -1; p = strchr(devname, '.'); if (!p) return -1; bus_num = strtoul(devname, NULL, 0); addr = strtoul(p + 1, NULL, 0); return usb_device_delete_addr(bus_num, addr); } static int usb_parse(const char *cmdline) { int r; r = usb_device_add(cmdline); if (r < 0) { fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline); } return r; } void do_usb_add(Monitor *mon, const QDict *qdict) { const char *devname = qdict_get_str(qdict, "devname"); if (usb_device_add(devname) < 0) { error_report("could not add USB device '%s'", devname); } } void do_usb_del(Monitor *mon, const QDict *qdict) { const char *devname = qdict_get_str(qdict, "devname"); if (usb_device_del(devname) < 0) { error_report("could not delete USB device '%s'", devname); } } /***********************************************************/ /* PCMCIA/Cardbus */ static struct pcmcia_socket_entry_s { PCMCIASocket *socket; struct pcmcia_socket_entry_s *next; } *pcmcia_sockets = 0; void pcmcia_socket_register(PCMCIASocket *socket) { struct pcmcia_socket_entry_s *entry; entry = g_malloc(sizeof(struct pcmcia_socket_entry_s)); entry->socket = socket; entry->next = pcmcia_sockets; pcmcia_sockets = entry; } void pcmcia_socket_unregister(PCMCIASocket *socket) { struct pcmcia_socket_entry_s *entry, **ptr; ptr = &pcmcia_sockets; for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) if (entry->socket == socket) { *ptr = entry->next; g_free(entry); } } void pcmcia_info(Monitor *mon) { struct pcmcia_socket_entry_s *iter; if (!pcmcia_sockets) monitor_printf(mon, "No PCMCIA sockets\n"); for (iter = pcmcia_sockets; iter; iter = iter->next) monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, iter->socket->attached ? iter->socket->card_string : "Empty"); } /***********************************************************/ /* machine registration */ static QEMUMachine *first_machine = NULL; QEMUMachine *current_machine = NULL; int qemu_register_machine(QEMUMachine *m) { QEMUMachine **pm; pm = &first_machine; while (*pm != NULL) pm = &(*pm)->next; m->next = NULL; *pm = m; return 0; } static QEMUMachine *find_machine(const char *name) { QEMUMachine *m; for(m = first_machine; m != NULL; m = m->next) { if (!strcmp(m->name, name)) return m; if (m->alias && !strcmp(m->alias, name)) return m; } return NULL; } static QEMUMachine *find_default_machine(void) { QEMUMachine *m; for(m = first_machine; m != NULL; m = m->next) { if (m->is_default) { return m; } } return NULL; } /***********************************************************/ /* main execution loop */ static void gui_update(void *opaque) { uint64_t interval = GUI_REFRESH_INTERVAL; DisplayState *ds = opaque; DisplayChangeListener *dcl = ds->listeners; dpy_refresh(ds); while (dcl != NULL) { if (dcl->gui_timer_interval && dcl->gui_timer_interval < interval) interval = dcl->gui_timer_interval; dcl = dcl->next; } qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock)); } struct vm_change_state_entry { VMChangeStateHandler *cb; void *opaque; QLIST_ENTRY (vm_change_state_entry) entries; }; static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, void *opaque) { VMChangeStateEntry *e; e = g_malloc0(sizeof (*e)); e->cb = cb; e->opaque = opaque; QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); return e; } void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) { QLIST_REMOVE (e, entries); g_free (e); } void vm_state_notify(int running, RunState state) { VMChangeStateEntry *e; trace_vm_state_notify(running, state); for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { e->cb(e->opaque, running, state); } } void vm_start(void) { if (!runstate_is_running()) { cpu_enable_ticks(); runstate_set(RUN_STATE_RUNNING); vm_state_notify(1, RUN_STATE_RUNNING); resume_all_vcpus(); monitor_protocol_event(QEVENT_RESUME, NULL); } } /* reset/shutdown handler */ typedef struct QEMUResetEntry { QTAILQ_ENTRY(QEMUResetEntry) entry; QEMUResetHandler *func; void *opaque; } QEMUResetEntry; static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = QTAILQ_HEAD_INITIALIZER(reset_handlers); static int reset_requested; static int shutdown_requested, shutdown_signal = -1; static pid_t shutdown_pid; static int powerdown_requested; static int debug_requested; static RunState vmstop_requested = RUN_STATE_MAX; int qemu_shutdown_requested_get(void) { return shutdown_requested; } int qemu_reset_requested_get(void) { return reset_requested; } int qemu_shutdown_requested(void) { int r = shutdown_requested; shutdown_requested = 0; return r; } void qemu_kill_report(void) { if (shutdown_signal != -1) { fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal); if (shutdown_pid == 0) { /* This happens for eg ^C at the terminal, so it's worth * avoiding printing an odd message in that case. */ fputc('\n', stderr); } else { fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid); } shutdown_signal = -1; } } int qemu_reset_requested(void) { int r = reset_requested; reset_requested = 0; return r; } int qemu_powerdown_requested(void) { int r = powerdown_requested; powerdown_requested = 0; return r; } static int qemu_debug_requested(void) { int r = debug_requested; debug_requested = 0; return r; } /* We use RUN_STATE_MAX but any invalid value will do */ static bool qemu_vmstop_requested(RunState *r) { if (vmstop_requested < RUN_STATE_MAX) { *r = vmstop_requested; vmstop_requested = RUN_STATE_MAX; return true; } return false; } void qemu_register_reset(QEMUResetHandler *func, void *opaque) { QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry)); re->func = func; re->opaque = opaque; QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); } void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) { QEMUResetEntry *re; QTAILQ_FOREACH(re, &reset_handlers, entry) { if (re->func == func && re->opaque == opaque) { QTAILQ_REMOVE(&reset_handlers, re, entry); g_free(re); return; } } } void qemu_system_reset(bool report) { QEMUResetEntry *re, *nre; /* reset all devices */ QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { re->func(re->opaque); } if (report) { monitor_protocol_event(QEVENT_RESET, NULL); } cpu_synchronize_all_post_reset(); } void qemu_system_reset_request(void) { if (no_reboot) { shutdown_requested = 1; } else { reset_requested = 1; } cpu_stop_current(); qemu_notify_event(); } void qemu_system_killed(int signal, pid_t pid) { shutdown_signal = signal; shutdown_pid = pid; no_shutdown = 0; qemu_system_shutdown_request(); } void qemu_system_shutdown_request(void) { shutdown_requested = 1; qemu_notify_event(); } void qemu_system_powerdown_request(void) { powerdown_requested = 1; qemu_notify_event(); } void qemu_system_debug_request(void) { debug_requested = 1; qemu_notify_event(); } void qemu_system_vmstop_request(RunState state) { vmstop_requested = state; qemu_notify_event(); } qemu_irq qemu_system_powerdown; static bool main_loop_should_exit(void) { RunState r; if (qemu_debug_requested()) { vm_stop(RUN_STATE_DEBUG); } if (qemu_shutdown_requested()) { qemu_kill_report(); monitor_protocol_event(QEVENT_SHUTDOWN, NULL); if (no_shutdown) { vm_stop(RUN_STATE_SHUTDOWN); } else { return true; } } if (qemu_reset_requested()) { pause_all_vcpus(); cpu_synchronize_all_states(); qemu_system_reset(VMRESET_REPORT); resume_all_vcpus(); if (runstate_check(RUN_STATE_INTERNAL_ERROR) || runstate_check(RUN_STATE_SHUTDOWN)) { runstate_set(RUN_STATE_PAUSED); } } if (qemu_powerdown_requested()) { monitor_protocol_event(QEVENT_POWERDOWN, NULL); qemu_irq_raise(qemu_system_powerdown); } if (qemu_vmstop_requested(&r)) { vm_stop(r); } return false; } static void main_loop(void) { bool nonblocking; int last_io = 0; #ifdef CONFIG_PROFILER int64_t ti; #endif do { nonblocking = !kvm_enabled() && last_io > 0; #ifdef CONFIG_PROFILER ti = profile_getclock(); #endif last_io = main_loop_wait(nonblocking); #ifdef CONFIG_PROFILER dev_time += profile_getclock() - ti; #endif } while (!main_loop_should_exit()); } static void version(void) { printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); } static void help(int exitcode) { const char *options_help = #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ opt_help #define DEFHEADING(text) stringify(text) "\n" #include "qemu-options.def" #undef DEF #undef DEFHEADING #undef GEN_DOCS ; version(); printf("usage: %s [options] [disk_image]\n" "\n" "'disk_image' is a raw hard disk image for IDE hard disk 0\n" "\n" "%s\n" "During emulation, the following keys are useful:\n" "ctrl-alt-f toggle full screen\n" "ctrl-alt-n switch to virtual console 'n'\n" "ctrl-alt toggle mouse and keyboard grab\n" "\n" "When using -nographic, press 'ctrl-a h' to get some help.\n", "qemu", options_help); exit(exitcode); } #define HAS_ARG 0x0001 typedef struct QEMUOption { const char *name; int flags; int index; uint32_t arch_mask; } QEMUOption; static const QEMUOption qemu_options[] = { { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ { option, opt_arg, opt_enum, arch_mask }, #define DEFHEADING(text) #include "qemu-options.def" #undef DEF #undef DEFHEADING #undef GEN_DOCS { NULL }, }; static void select_vgahw (const char *p) { const char *opts; default_vga = 0; vga_interface_type = VGA_NONE; if (strstart(p, "std", &opts)) { vga_interface_type = VGA_STD; } else if (strstart(p, "cirrus", &opts)) { vga_interface_type = VGA_CIRRUS; } else if (strstart(p, "vmware", &opts)) { vga_interface_type = VGA_VMWARE; } else if (strstart(p, "xenfb", &opts)) { vga_interface_type = VGA_XENFB; } else if (strstart(p, "qxl", &opts)) { vga_interface_type = VGA_QXL; } else if (!strstart(p, "none", &opts)) { invalid_vga: fprintf(stderr, "Unknown vga type: %s\n", p); exit(1); } while (*opts) { const char *nextopt; if (strstart(opts, ",retrace=", &nextopt)) { opts = nextopt; if (strstart(opts, "dumb", &nextopt)) vga_retrace_method = VGA_RETRACE_DUMB; else if (strstart(opts, "precise", &nextopt)) vga_retrace_method = VGA_RETRACE_PRECISE; else goto invalid_vga; } else goto invalid_vga; opts = nextopt; } } static DisplayType select_display(const char *p) { const char *opts; DisplayType display = DT_DEFAULT; if (strstart(p, "sdl", &opts)) { #ifdef CONFIG_SDL display = DT_SDL; while (*opts) { const char *nextopt; if (strstart(opts, ",frame=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { no_frame = 0; } else if (strstart(opts, "off", &nextopt)) { no_frame = 1; } else { goto invalid_sdl_args; } } else if (strstart(opts, ",alt_grab=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { alt_grab = 1; } else if (strstart(opts, "off", &nextopt)) { alt_grab = 0; } else { goto invalid_sdl_args; } } else if (strstart(opts, ",ctrl_grab=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { ctrl_grab = 1; } else if (strstart(opts, "off", &nextopt)) { ctrl_grab = 0; } else { goto invalid_sdl_args; } } else if (strstart(opts, ",window_close=", &nextopt)) { opts = nextopt; if (strstart(opts, "on", &nextopt)) { no_quit = 0; } else if (strstart(opts, "off", &nextopt)) { no_quit = 1; } else { goto invalid_sdl_args; } } else { invalid_sdl_args: fprintf(stderr, "Invalid SDL option string: %s\n", p); exit(1); } opts = nextopt; } #else fprintf(stderr, "SDL support is disabled\n"); exit(1); #endif } else if (strstart(p, "vnc", &opts)) { #ifdef CONFIG_VNC display_remote++; if (*opts) { const char *nextopt; if (strstart(opts, "=", &nextopt)) { vnc_display = nextopt; } } if (!vnc_display) { fprintf(stderr, "VNC requires a display argument vnc=\n"); exit(1); } #else fprintf(stderr, "VNC support is disabled\n"); exit(1); #endif } else if (strstart(p, "curses", &opts)) { #ifdef CONFIG_CURSES display = DT_CURSES; #else fprintf(stderr, "Curses support is disabled\n"); exit(1); #endif } else if (strstart(p, "none", &opts)) { display = DT_NONE; } else { fprintf(stderr, "Unknown display type: %s\n", p); exit(1); } return display; } static int balloon_parse(const char *arg) { QemuOpts *opts; if (strcmp(arg, "none") == 0) { return 0; } if (!strncmp(arg, "virtio", 6)) { if (arg[6] == ',') { /* have params -> parse them */ opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0); if (!opts) return -1; } else { /* create empty opts */ opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0); } qemu_opt_set(opts, "driver", "virtio-balloon"); return 0; } return -1; } char *qemu_find_file(int type, const char *name) { int len; const char *subdir; char *buf; /* If name contains path separators then try it as a straight path. */ if ((strchr(name, '/') || strchr(name, '\\')) && access(name, R_OK) == 0) { return g_strdup(name); } switch (type) { case QEMU_FILE_TYPE_BIOS: subdir = ""; break; case QEMU_FILE_TYPE_KEYMAP: subdir = "keymaps/"; break; default: abort(); } len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; buf = g_malloc0(len); snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); if (access(buf, R_OK)) { g_free(buf); return NULL; } return buf; } static int device_help_func(QemuOpts *opts, void *opaque) { return qdev_device_help(opts); } static int device_init_func(QemuOpts *opts, void *opaque) { DeviceState *dev; dev = qdev_device_add(opts); if (!dev) return -1; return 0; } static int chardev_init_func(QemuOpts *opts, void *opaque) { CharDriverState *chr; chr = qemu_chr_new_from_opts(opts, NULL); if (!chr) return -1; return 0; } #ifdef CONFIG_VIRTFS static int fsdev_init_func(QemuOpts *opts, void *opaque) { int ret; ret = qemu_fsdev_add(opts); return ret; } #endif static int mon_init_func(QemuOpts *opts, void *opaque) { CharDriverState *chr; const char *chardev; const char *mode; int flags; mode = qemu_opt_get(opts, "mode"); if (mode == NULL) { mode = "readline"; } if (strcmp(mode, "readline") == 0) { flags = MONITOR_USE_READLINE; } else if (strcmp(mode, "control") == 0) { flags = MONITOR_USE_CONTROL; } else { fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); exit(1); } if (qemu_opt_get_bool(opts, "pretty", 0)) flags |= MONITOR_USE_PRETTY; if (qemu_opt_get_bool(opts, "default", 0)) flags |= MONITOR_IS_DEFAULT; chardev = qemu_opt_get(opts, "chardev"); chr = qemu_chr_find(chardev); if (chr == NULL) { fprintf(stderr, "chardev \"%s\" not found\n", chardev); exit(1); } monitor_init(chr, flags); return 0; } static void monitor_parse(const char *optarg, const char *mode) { static int monitor_device_index = 0; QemuOpts *opts; const char *p; char label[32]; int def = 0; if (strstart(optarg, "chardev:", &p)) { snprintf(label, sizeof(label), "%s", p); } else { snprintf(label, sizeof(label), "compat_monitor%d", monitor_device_index); if (monitor_device_index == 0) { def = 1; } opts = qemu_chr_parse_compat(label, optarg); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } } opts = qemu_opts_create(qemu_find_opts("mon"), label, 1); if (!opts) { fprintf(stderr, "duplicate chardev: %s\n", label); exit(1); } qemu_opt_set(opts, "mode", mode); qemu_opt_set(opts, "chardev", label); if (def) qemu_opt_set(opts, "default", "on"); monitor_device_index++; } struct device_config { enum { DEV_USB, /* -usbdevice */ DEV_BT, /* -bt */ DEV_SERIAL, /* -serial */ DEV_PARALLEL, /* -parallel */ DEV_VIRTCON, /* -virtioconsole */ DEV_DEBUGCON, /* -debugcon */ } type; const char *cmdline; QTAILQ_ENTRY(device_config) next; }; QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); static void add_device_config(int type, const char *cmdline) { struct device_config *conf; conf = g_malloc0(sizeof(*conf)); conf->type = type; conf->cmdline = cmdline; QTAILQ_INSERT_TAIL(&device_configs, conf, next); } static int foreach_device_config(int type, int (*func)(const char *cmdline)) { struct device_config *conf; int rc; QTAILQ_FOREACH(conf, &device_configs, next) { if (conf->type != type) continue; rc = func(conf->cmdline); if (0 != rc) return rc; } return 0; } static int serial_parse(const char *devname) { static int index = 0; char label[32]; if (strcmp(devname, "none") == 0) return 0; if (index == MAX_SERIAL_PORTS) { fprintf(stderr, "qemu: too many serial ports\n"); exit(1); } snprintf(label, sizeof(label), "serial%d", index); serial_hds[index] = qemu_chr_new(label, devname, NULL); if (!serial_hds[index]) { fprintf(stderr, "qemu: could not open serial device '%s': %s\n", devname, strerror(errno)); return -1; } index++; return 0; } static int parallel_parse(const char *devname) { static int index = 0; char label[32]; if (strcmp(devname, "none") == 0) return 0; if (index == MAX_PARALLEL_PORTS) { fprintf(stderr, "qemu: too many parallel ports\n"); exit(1); } snprintf(label, sizeof(label), "parallel%d", index); parallel_hds[index] = qemu_chr_new(label, devname, NULL); if (!parallel_hds[index]) { fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", devname, strerror(errno)); return -1; } index++; return 0; } static int virtcon_parse(const char *devname) { QemuOptsList *device = qemu_find_opts("device"); static int index = 0; char label[32]; QemuOpts *bus_opts, *dev_opts; if (strcmp(devname, "none") == 0) return 0; if (index == MAX_VIRTIO_CONSOLES) { fprintf(stderr, "qemu: too many virtio consoles\n"); exit(1); } bus_opts = qemu_opts_create(device, NULL, 0); qemu_opt_set(bus_opts, "driver", "virtio-serial"); dev_opts = qemu_opts_create(device, NULL, 0); qemu_opt_set(dev_opts, "driver", "virtconsole"); snprintf(label, sizeof(label), "virtcon%d", index); virtcon_hds[index] = qemu_chr_new(label, devname, NULL); if (!virtcon_hds[index]) { fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", devname, strerror(errno)); return -1; } qemu_opt_set(dev_opts, "chardev", label); index++; return 0; } static int debugcon_parse(const char *devname) { QemuOpts *opts; if (!qemu_chr_new("debugcon", devname, NULL)) { exit(1); } opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1); if (!opts) { fprintf(stderr, "qemu: already have a debugcon device\n"); exit(1); } qemu_opt_set(opts, "driver", "isa-debugcon"); qemu_opt_set(opts, "chardev", "debugcon"); return 0; } static QEMUMachine *machine_parse(const char *name) { QEMUMachine *m, *machine = NULL; if (name) { machine = find_machine(name); } if (machine) { return machine; } printf("Supported machines are:\n"); for (m = first_machine; m != NULL; m = m->next) { if (m->alias) { printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name); } printf("%-10s %s%s\n", m->name, m->desc, m->is_default ? " (default)" : ""); } exit(!name || *name != '?'); } static int tcg_init(void) { tcg_exec_init(tcg_tb_size * 1024 * 1024); return 0; } static struct { const char *opt_name; const char *name; int (*available)(void); int (*init)(void); int *allowed; } accel_list[] = { { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed }, { "xen", "Xen", xen_available, xen_init, &xen_allowed }, { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed }, }; static int configure_accelerator(void) { const char *p = NULL; char buf[10]; int i, ret; bool accel_initalised = 0; bool init_failed = 0; QemuOptsList *list = qemu_find_opts("machine"); if (!QTAILQ_EMPTY(&list->head)) { p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel"); } if (p == NULL) { /* Use the default "accelerator", tcg */ p = "tcg"; } while (!accel_initalised && *p != '\0') { if (*p == ':') { p++; } p = get_opt_name(buf, sizeof (buf), p, ':'); for (i = 0; i < ARRAY_SIZE(accel_list); i++) { if (strcmp(accel_list[i].opt_name, buf) == 0) { *(accel_list[i].allowed) = 1; ret = accel_list[i].init(); if (ret < 0) { init_failed = 1; if (!accel_list[i].available()) { printf("%s not supported for this target\n", accel_list[i].name); } else { fprintf(stderr, "failed to initialize %s: %s\n", accel_list[i].name, strerror(-ret)); } *(accel_list[i].allowed) = 0; } else { accel_initalised = 1; } break; } } if (i == ARRAY_SIZE(accel_list)) { fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf); } } if (!accel_initalised) { fprintf(stderr, "No accelerator found!\n"); exit(1); } if (init_failed) { fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name); } return !accel_initalised; } void qemu_add_exit_notifier(Notifier *notify) { notifier_list_add(&exit_notifiers, notify); } void qemu_remove_exit_notifier(Notifier *notify) { notifier_list_remove(&exit_notifiers, notify); } static void qemu_run_exit_notifiers(void) { notifier_list_notify(&exit_notifiers, NULL); } void qemu_add_machine_init_done_notifier(Notifier *notify) { notifier_list_add(&machine_init_done_notifiers, notify); } static void qemu_run_machine_init_done_notifiers(void) { notifier_list_notify(&machine_init_done_notifiers, NULL); } static const QEMUOption *lookup_opt(int argc, char **argv, const char **poptarg, int *poptind) { const QEMUOption *popt; int optind = *poptind; char *r = argv[optind]; const char *optarg; loc_set_cmdline(argv, optind, 1); optind++; /* Treat --foo the same as -foo. */ if (r[1] == '-') r++; popt = qemu_options; for(;;) { if (!popt->name) { error_report("invalid option"); exit(1); } if (!strcmp(popt->name, r + 1)) break; popt++; } if (popt->flags & HAS_ARG) { if (optind >= argc) { error_report("requires an argument"); exit(1); } optarg = argv[optind++]; loc_set_cmdline(argv, optind - 2, 2); } else { optarg = NULL; } *poptarg = optarg; *poptind = optind; return popt; } static gpointer malloc_and_trace(gsize n_bytes) { void *ptr = malloc(n_bytes); trace_g_malloc(n_bytes, ptr); return ptr; } static gpointer realloc_and_trace(gpointer mem, gsize n_bytes) { void *ptr = realloc(mem, n_bytes); trace_g_realloc(mem, n_bytes, ptr); return ptr; } static void free_and_trace(gpointer mem) { trace_g_free(mem); free(mem); } int main(int argc, char **argv, char **envp) { const char *gdbstub_dev = NULL; int i; int snapshot, linux_boot; const char *icount_option = NULL; const char *initrd_filename; const char *kernel_filename, *kernel_cmdline; char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ DisplayState *ds; DisplayChangeListener *dcl; int cyls, heads, secs, translation; QemuOpts *hda_opts = NULL, *opts; QemuOptsList *olist; int optind; const char *optarg; const char *loadvm = NULL; QEMUMachine *machine; const char *cpu_model; const char *pid_file = NULL; const char *incoming = NULL; #ifdef CONFIG_VNC int show_vnc_port = 0; #endif int defconfig = 1; const char *log_mask = NULL; const char *log_file = NULL; GMemVTable mem_trace = { .malloc = malloc_and_trace, .realloc = realloc_and_trace, .free = free_and_trace, }; const char *trace_events = NULL; const char *trace_file = NULL; atexit(qemu_run_exit_notifiers); error_set_progname(argv[0]); g_mem_set_vtable(&mem_trace); g_thread_init(NULL); runstate_init(); init_clocks(); rtc_clock = host_clock; qemu_cache_utils_init(envp); QLIST_INIT (&vm_change_state_head); os_setup_early_signal_handling(); module_call_init(MODULE_INIT_MACHINE); machine = find_default_machine(); cpu_model = NULL; initrd_filename = NULL; ram_size = 0; snapshot = 0; kernel_filename = NULL; kernel_cmdline = ""; cyls = heads = secs = 0; translation = BIOS_ATA_TRANSLATION_AUTO; for (i = 0; i < MAX_NODES; i++) { node_mem[i] = 0; node_cpumask[i] = 0; } nb_numa_nodes = 0; nb_nics = 0; autostart= 1; /* first pass of option parsing */ optind = 1; while (optind < argc) { if (argv[optind][0] != '-') { /* disk image */ optind++; continue; } else { const QEMUOption *popt; popt = lookup_opt(argc, argv, &optarg, &optind); switch (popt->index) { case QEMU_OPTION_nodefconfig: defconfig=0; break; } } } if (defconfig) { int ret; ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf"); if (ret < 0 && ret != -ENOENT) { exit(1); } ret = qemu_read_config_file(arch_config_name); if (ret < 0 && ret != -ENOENT) { exit(1); } } cpudef_init(); /* second pass of option parsing */ optind = 1; for(;;) { if (optind >= argc) break; if (argv[optind][0] != '-') { hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); } else { const QEMUOption *popt; popt = lookup_opt(argc, argv, &optarg, &optind); if (!(popt->arch_mask & arch_type)) { printf("Option %s not supported for this target\n", popt->name); exit(1); } switch(popt->index) { case QEMU_OPTION_M: machine = machine_parse(optarg); break; case QEMU_OPTION_cpu: /* hw initialization will check this */ if (*optarg == '?') { list_cpus(stdout, &fprintf, optarg); exit(0); } else { cpu_model = optarg; } break; case QEMU_OPTION_initrd: initrd_filename = optarg; break; case QEMU_OPTION_hda: { char buf[256]; if (cyls == 0) snprintf(buf, sizeof(buf), "%s", HD_OPTS); else snprintf(buf, sizeof(buf), "%s,cyls=%d,heads=%d,secs=%d%s", HD_OPTS , cyls, heads, secs, translation == BIOS_ATA_TRANSLATION_LBA ? ",trans=lba" : translation == BIOS_ATA_TRANSLATION_NONE ? ",trans=none" : ""); drive_add(IF_DEFAULT, 0, optarg, buf); break; } case QEMU_OPTION_hdb: case QEMU_OPTION_hdc: case QEMU_OPTION_hdd: drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, HD_OPTS); break; case QEMU_OPTION_drive: if (drive_def(optarg) == NULL) { exit(1); } break; case QEMU_OPTION_set: if (qemu_set_option(optarg) != 0) exit(1); break; case QEMU_OPTION_global: if (qemu_global_option(optarg) != 0) exit(1); break; case QEMU_OPTION_mtdblock: drive_add(IF_MTD, -1, optarg, MTD_OPTS); break; case QEMU_OPTION_sd: drive_add(IF_SD, 0, optarg, SD_OPTS); break; case QEMU_OPTION_pflash: drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); break; case QEMU_OPTION_snapshot: snapshot = 1; break; case QEMU_OPTION_hdachs: { const char *p; p = optarg; cyls = strtol(p, (char **)&p, 0); if (cyls < 1 || cyls > 16383) goto chs_fail; if (*p != ',') goto chs_fail; p++; heads = strtol(p, (char **)&p, 0); if (heads < 1 || heads > 16) goto chs_fail; if (*p != ',') goto chs_fail; p++; secs = strtol(p, (char **)&p, 0); if (secs < 1 || secs > 63) goto chs_fail; if (*p == ',') { p++; if (!strcmp(p, "none")) translation = BIOS_ATA_TRANSLATION_NONE; else if (!strcmp(p, "lba")) translation = BIOS_ATA_TRANSLATION_LBA; else if (!strcmp(p, "auto")) translation = BIOS_ATA_TRANSLATION_AUTO; else goto chs_fail; } else if (*p != '\0') { chs_fail: fprintf(stderr, "qemu: invalid physical CHS format\n"); exit(1); } if (hda_opts != NULL) { char num[16]; snprintf(num, sizeof(num), "%d", cyls); qemu_opt_set(hda_opts, "cyls", num); snprintf(num, sizeof(num), "%d", heads); qemu_opt_set(hda_opts, "heads", num); snprintf(num, sizeof(num), "%d", secs); qemu_opt_set(hda_opts, "secs", num); if (translation == BIOS_ATA_TRANSLATION_LBA) qemu_opt_set(hda_opts, "trans", "lba"); if (translation == BIOS_ATA_TRANSLATION_NONE) qemu_opt_set(hda_opts, "trans", "none"); } } break; case QEMU_OPTION_numa: if (nb_numa_nodes >= MAX_NODES) { fprintf(stderr, "qemu: too many NUMA nodes\n"); exit(1); } numa_add(optarg); break; case QEMU_OPTION_display: display_type = select_display(optarg); break; case QEMU_OPTION_nographic: display_type = DT_NOGRAPHIC; break; case QEMU_OPTION_curses: #ifdef CONFIG_CURSES display_type = DT_CURSES; #else fprintf(stderr, "Curses support is disabled\n"); exit(1); #endif break; case QEMU_OPTION_portrait: graphic_rotate = 90; break; case QEMU_OPTION_rotate: graphic_rotate = strtol(optarg, (char **) &optarg, 10); if (graphic_rotate != 0 && graphic_rotate != 90 && graphic_rotate != 180 && graphic_rotate != 270) { fprintf(stderr, "qemu: only 90, 180, 270 deg rotation is available\n"); exit(1); } break; case QEMU_OPTION_kernel: kernel_filename = optarg; break; case QEMU_OPTION_append: kernel_cmdline = optarg; break; case QEMU_OPTION_cdrom: drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); break; case QEMU_OPTION_boot: { static const char * const params[] = { "order", "once", "menu", "splash", "splash-time", NULL }; char buf[sizeof(boot_devices)]; char *standard_boot_devices; int legacy = 0; if (!strchr(optarg, '=')) { legacy = 1; pstrcpy(buf, sizeof(buf), optarg); } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { fprintf(stderr, "qemu: unknown boot parameter '%s' in '%s'\n", buf, optarg); exit(1); } if (legacy || get_param_value(buf, sizeof(buf), "order", optarg)) { validate_bootdevices(buf); pstrcpy(boot_devices, sizeof(boot_devices), buf); } if (!legacy) { if (get_param_value(buf, sizeof(buf), "once", optarg)) { validate_bootdevices(buf); standard_boot_devices = g_strdup(boot_devices); pstrcpy(boot_devices, sizeof(boot_devices), buf); qemu_register_reset(restore_boot_devices, standard_boot_devices); } if (get_param_value(buf, sizeof(buf), "menu", optarg)) { if (!strcmp(buf, "on")) { boot_menu = 1; } else if (!strcmp(buf, "off")) { boot_menu = 0; } else { fprintf(stderr, "qemu: invalid option value '%s'\n", buf); exit(1); } } qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 0); } } break; case QEMU_OPTION_fda: case QEMU_OPTION_fdb: drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, optarg, FD_OPTS); break; case QEMU_OPTION_no_fd_bootchk: fd_bootchk = 0; break; case QEMU_OPTION_netdev: if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { exit(1); } break; case QEMU_OPTION_net: if (net_client_parse(qemu_find_opts("net"), optarg) == -1) { exit(1); } break; #ifdef CONFIG_SLIRP case QEMU_OPTION_tftp: legacy_tftp_prefix = optarg; break; case QEMU_OPTION_bootp: legacy_bootp_filename = optarg; break; case QEMU_OPTION_redir: if (net_slirp_redir(optarg) < 0) exit(1); break; #endif case QEMU_OPTION_bt: add_device_config(DEV_BT, optarg); break; case QEMU_OPTION_audio_help: if (!(audio_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } AUD_help (); exit (0); break; case QEMU_OPTION_soundhw: if (!(audio_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } select_soundhw (optarg); break; case QEMU_OPTION_h: help(0); break; case QEMU_OPTION_version: version(); exit(0); break; case QEMU_OPTION_m: { int64_t value; value = strtosz(optarg, NULL); if (value < 0) { fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); exit(1); } if (value != (uint64_t)(ram_addr_t)value) { fprintf(stderr, "qemu: ram size too large\n"); exit(1); } ram_size = value; break; } case QEMU_OPTION_mempath: mem_path = optarg; break; #ifdef MAP_POPULATE case QEMU_OPTION_mem_prealloc: mem_prealloc = 1; break; #endif case QEMU_OPTION_d: log_mask = optarg; break; case QEMU_OPTION_D: log_file = optarg; break; case QEMU_OPTION_s: gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; break; case QEMU_OPTION_gdb: gdbstub_dev = optarg; break; case QEMU_OPTION_L: data_dir = optarg; break; case QEMU_OPTION_bios: bios_name = optarg; break; case QEMU_OPTION_singlestep: singlestep = 1; break; case QEMU_OPTION_S: autostart = 0; break; case QEMU_OPTION_k: keyboard_layout = optarg; break; case QEMU_OPTION_localtime: rtc_utc = 0; break; case QEMU_OPTION_vga: select_vgahw (optarg); break; case QEMU_OPTION_g: { const char *p; int w, h, depth; p = optarg; w = strtol(p, (char **)&p, 10); if (w <= 0) { graphic_error: fprintf(stderr, "qemu: invalid resolution or depth\n"); exit(1); } if (*p != 'x') goto graphic_error; p++; h = strtol(p, (char **)&p, 10); if (h <= 0) goto graphic_error; if (*p == 'x') { p++; depth = strtol(p, (char **)&p, 10); if (depth != 8 && depth != 15 && depth != 16 && depth != 24 && depth != 32) goto graphic_error; } else if (*p == '\0') { depth = graphic_depth; } else { goto graphic_error; } graphic_width = w; graphic_height = h; graphic_depth = depth; } break; case QEMU_OPTION_echr: { char *r; term_escape_char = strtol(optarg, &r, 0); if (r == optarg) printf("Bad argument to echr\n"); break; } case QEMU_OPTION_monitor: monitor_parse(optarg, "readline"); default_monitor = 0; break; case QEMU_OPTION_qmp: monitor_parse(optarg, "control"); default_monitor = 0; break; case QEMU_OPTION_mon: opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1); if (!opts) { exit(1); } default_monitor = 0; break; case QEMU_OPTION_chardev: opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1); if (!opts) { exit(1); } break; case QEMU_OPTION_fsdev: olist = qemu_find_opts("fsdev"); if (!olist) { fprintf(stderr, "fsdev is not supported by this qemu build.\n"); exit(1); } opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } break; case QEMU_OPTION_virtfs: { QemuOpts *fsdev; QemuOpts *device; const char *writeout; olist = qemu_find_opts("virtfs"); if (!olist) { fprintf(stderr, "virtfs is not supported by this qemu build.\n"); exit(1); } opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } if (qemu_opt_get(opts, "fsdriver") == NULL || qemu_opt_get(opts, "mount_tag") == NULL || qemu_opt_get(opts, "path") == NULL) { fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/," "[security_model={mapped|passthrough|none}]," "mount_tag=tag.\n"); exit(1); } fsdev = qemu_opts_create(qemu_find_opts("fsdev"), qemu_opt_get(opts, "mount_tag"), 1); if (!fsdev) { fprintf(stderr, "duplicate fsdev id: %s\n", qemu_opt_get(opts, "mount_tag")); exit(1); } writeout = qemu_opt_get(opts, "writeout"); if (writeout) { #ifdef CONFIG_SYNC_FILE_RANGE qemu_opt_set(fsdev, "writeout", writeout); #else fprintf(stderr, "writeout=immediate not supported on " "this platform\n"); exit(1); #endif } qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver")); qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path")); qemu_opt_set(fsdev, "security_model", qemu_opt_get(opts, "security_model")); device = qemu_opts_create(qemu_find_opts("device"), NULL, 0); qemu_opt_set(device, "driver", "virtio-9p-pci"); qemu_opt_set(device, "fsdev", qemu_opt_get(opts, "mount_tag")); qemu_opt_set(device, "mount_tag", qemu_opt_get(opts, "mount_tag")); break; } case QEMU_OPTION_serial: add_device_config(DEV_SERIAL, optarg); default_serial = 0; if (strncmp(optarg, "mon:", 4) == 0) { default_monitor = 0; } break; case QEMU_OPTION_watchdog: if (watchdog) { fprintf(stderr, "qemu: only one watchdog option may be given\n"); return 1; } watchdog = optarg; break; case QEMU_OPTION_watchdog_action: if (select_watchdog_action(optarg) == -1) { fprintf(stderr, "Unknown -watchdog-action parameter\n"); exit(1); } break; case QEMU_OPTION_virtiocon: add_device_config(DEV_VIRTCON, optarg); default_virtcon = 0; if (strncmp(optarg, "mon:", 4) == 0) { default_monitor = 0; } break; case QEMU_OPTION_parallel: add_device_config(DEV_PARALLEL, optarg); default_parallel = 0; if (strncmp(optarg, "mon:", 4) == 0) { default_monitor = 0; } break; case QEMU_OPTION_debugcon: add_device_config(DEV_DEBUGCON, optarg); break; case QEMU_OPTION_loadvm: loadvm = optarg; break; case QEMU_OPTION_full_screen: full_screen = 1; break; #ifdef CONFIG_SDL case QEMU_OPTION_no_frame: no_frame = 1; break; case QEMU_OPTION_alt_grab: alt_grab = 1; break; case QEMU_OPTION_ctrl_grab: ctrl_grab = 1; break; case QEMU_OPTION_no_quit: no_quit = 1; break; case QEMU_OPTION_sdl: display_type = DT_SDL; break; #else case QEMU_OPTION_no_frame: case QEMU_OPTION_alt_grab: case QEMU_OPTION_ctrl_grab: case QEMU_OPTION_no_quit: case QEMU_OPTION_sdl: fprintf(stderr, "SDL support is disabled\n"); exit(1); #endif case QEMU_OPTION_pidfile: pid_file = optarg; break; case QEMU_OPTION_win2k_hack: win2k_install_hack = 1; break; case QEMU_OPTION_rtc_td_hack: rtc_td_hack = 1; break; case QEMU_OPTION_acpitable: do_acpitable_option(optarg); break; case QEMU_OPTION_smbios: do_smbios_option(optarg); break; case QEMU_OPTION_enable_kvm: olist = qemu_find_opts("machine"); qemu_opts_reset(olist); qemu_opts_parse(olist, "accel=kvm", 0); break; case QEMU_OPTION_machine: olist = qemu_find_opts("machine"); qemu_opts_reset(olist); opts = qemu_opts_parse(olist, optarg, 1); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } optarg = qemu_opt_get(opts, "type"); if (optarg) { machine = machine_parse(optarg); } break; case QEMU_OPTION_usb: usb_enabled = 1; break; case QEMU_OPTION_usbdevice: usb_enabled = 1; add_device_config(DEV_USB, optarg); break; case QEMU_OPTION_device: if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) { exit(1); } break; case QEMU_OPTION_smp: smp_parse(optarg); if (smp_cpus < 1) { fprintf(stderr, "Invalid number of CPUs\n"); exit(1); } if (max_cpus < smp_cpus) { fprintf(stderr, "maxcpus must be equal to or greater than " "smp\n"); exit(1); } if (max_cpus > 255) { fprintf(stderr, "Unsupported number of maxcpus\n"); exit(1); } break; case QEMU_OPTION_vnc: #ifdef CONFIG_VNC display_remote++; vnc_display = optarg; #else fprintf(stderr, "VNC support is disabled\n"); exit(1); #endif break; case QEMU_OPTION_no_acpi: acpi_enabled = 0; break; case QEMU_OPTION_no_hpet: no_hpet = 1; break; case QEMU_OPTION_balloon: if (balloon_parse(optarg) < 0) { fprintf(stderr, "Unknown -balloon argument %s\n", optarg); exit(1); } break; case QEMU_OPTION_no_reboot: no_reboot = 1; break; case QEMU_OPTION_no_shutdown: no_shutdown = 1; break; case QEMU_OPTION_show_cursor: cursor_hide = 0; break; case QEMU_OPTION_uuid: if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { fprintf(stderr, "Fail to parse UUID string." " Wrong format.\n"); exit(1); } break; case QEMU_OPTION_option_rom: if (nb_option_roms >= MAX_OPTION_ROMS) { fprintf(stderr, "Too many option ROMs\n"); exit(1); } opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1); option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile"); option_rom[nb_option_roms].bootindex = qemu_opt_get_number(opts, "bootindex", -1); if (!option_rom[nb_option_roms].name) { fprintf(stderr, "Option ROM file is not specified\n"); exit(1); } nb_option_roms++; break; case QEMU_OPTION_semihosting: semihosting_enabled = 1; break; case QEMU_OPTION_name: qemu_name = g_strdup(optarg); { char *p = strchr(qemu_name, ','); if (p != NULL) { *p++ = 0; if (strncmp(p, "process=", 8)) { fprintf(stderr, "Unknown subargument %s to -name\n", p); exit(1); } p += 8; os_set_proc_name(p); } } break; case QEMU_OPTION_prom_env: if (nb_prom_envs >= MAX_PROM_ENVS) { fprintf(stderr, "Too many prom variables\n"); exit(1); } prom_envs[nb_prom_envs] = optarg; nb_prom_envs++; break; case QEMU_OPTION_old_param: old_param = 1; break; case QEMU_OPTION_clock: configure_alarms(optarg); break; case QEMU_OPTION_startdate: configure_rtc_date_offset(optarg, 1); break; case QEMU_OPTION_rtc: opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0); if (!opts) { exit(1); } configure_rtc(opts); break; case QEMU_OPTION_tb_size: tcg_tb_size = strtol(optarg, NULL, 0); if (tcg_tb_size < 0) { tcg_tb_size = 0; } break; case QEMU_OPTION_icount: icount_option = optarg; break; case QEMU_OPTION_incoming: incoming = optarg; break; case QEMU_OPTION_nodefaults: default_serial = 0; default_parallel = 0; default_virtcon = 0; default_monitor = 0; default_vga = 0; default_net = 0; default_floppy = 0; default_cdrom = 0; default_sdcard = 0; break; case QEMU_OPTION_xen_domid: if (!(xen_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } xen_domid = atoi(optarg); break; case QEMU_OPTION_xen_create: if (!(xen_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } xen_mode = XEN_CREATE; break; case QEMU_OPTION_xen_attach: if (!(xen_available())) { printf("Option %s not supported for this target\n", popt->name); exit(1); } xen_mode = XEN_ATTACH; break; case QEMU_OPTION_trace: { opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0); if (!opts) { exit(1); } trace_events = qemu_opt_get(opts, "events"); trace_file = qemu_opt_get(opts, "file"); break; } case QEMU_OPTION_readconfig: { int ret = qemu_read_config_file(optarg); if (ret < 0) { fprintf(stderr, "read config %s: %s\n", optarg, strerror(-ret)); exit(1); } break; } case QEMU_OPTION_spice: olist = qemu_find_opts("spice"); if (!olist) { fprintf(stderr, "spice is not supported by this qemu build.\n"); exit(1); } opts = qemu_opts_parse(olist, optarg, 0); if (!opts) { fprintf(stderr, "parse error: %s\n", optarg); exit(1); } break; case QEMU_OPTION_writeconfig: { FILE *fp; if (strcmp(optarg, "-") == 0) { fp = stdout; } else { fp = fopen(optarg, "w"); if (fp == NULL) { fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); exit(1); } } qemu_config_write(fp); fclose(fp); break; } default: os_parse_cmd_args(popt->index, optarg); } } } loc_set_none(); /* Open the logfile at this point, if necessary. We can't open the logfile * when encountering either of the logging options (-d or -D) because the * other one may be encountered later on the command line, changing the * location or level of logging. */ if (log_mask) { if (log_file) { set_cpu_log_filename(log_file); } set_cpu_log(log_mask); } if (!trace_backend_init(trace_events, trace_file)) { exit(1); } /* If no data_dir is specified then try to find it relative to the executable path. */ if (!data_dir) { data_dir = os_find_datadir(argv[0]); } /* If all else fails use the install path specified when building. */ if (!data_dir) { data_dir = CONFIG_QEMU_DATADIR; } /* * Default to max_cpus = smp_cpus, in case the user doesn't * specify a max_cpus value. */ if (!max_cpus) max_cpus = smp_cpus; machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ if (smp_cpus > machine->max_cpus) { fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " "supported by machine `%s' (%d)\n", smp_cpus, machine->name, machine->max_cpus); exit(1); } /* * Get the default machine options from the machine if it is not already * specified either by the configuration file or by the command line. */ if (machine->default_machine_opts) { QemuOptsList *list = qemu_find_opts("machine"); const char *p = NULL; if (!QTAILQ_EMPTY(&list->head)) { p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel"); } if (p == NULL) { qemu_opts_reset(list); opts = qemu_opts_parse(list, machine->default_machine_opts, 0); if (!opts) { fprintf(stderr, "parse error for machine %s: %s\n", machine->name, machine->default_machine_opts); exit(1); } } } qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0); qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0); if (machine->no_serial) { default_serial = 0; } if (machine->no_parallel) { default_parallel = 0; } if (!machine->use_virtcon) { default_virtcon = 0; } if (machine->no_vga) { default_vga = 0; } if (machine->no_floppy) { default_floppy = 0; } if (machine->no_cdrom) { default_cdrom = 0; } if (machine->no_sdcard) { default_sdcard = 0; } if (display_type == DT_NOGRAPHIC) { if (default_parallel) add_device_config(DEV_PARALLEL, "null"); if (default_serial && default_monitor) { add_device_config(DEV_SERIAL, "mon:stdio"); } else if (default_virtcon && default_monitor) { add_device_config(DEV_VIRTCON, "mon:stdio"); } else { if (default_serial) add_device_config(DEV_SERIAL, "stdio"); if (default_virtcon) add_device_config(DEV_VIRTCON, "stdio"); if (default_monitor) monitor_parse("stdio", "readline"); } } else { if (default_serial) add_device_config(DEV_SERIAL, "vc:80Cx24C"); if (default_parallel) add_device_config(DEV_PARALLEL, "vc:80Cx24C"); if (default_monitor) monitor_parse("vc:80Cx24C", "readline"); if (default_virtcon) add_device_config(DEV_VIRTCON, "vc:80Cx24C"); } if (default_vga) vga_interface_type = VGA_CIRRUS; socket_init(); if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0) exit(1); #ifdef CONFIG_VIRTFS if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) { exit(1); } #endif os_daemonize(); if (pid_file && qemu_create_pidfile(pid_file) != 0) { os_pidfile_error(); exit(1); } /* init the memory */ if (ram_size == 0) { ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; } configure_accelerator(); qemu_init_cpu_loop(); if (qemu_init_main_loop()) { fprintf(stderr, "qemu_init_main_loop failed\n"); exit(1); } linux_boot = (kernel_filename != NULL); if (!linux_boot && *kernel_cmdline != '\0') { fprintf(stderr, "-append only allowed with -kernel option\n"); exit(1); } if (!linux_boot && initrd_filename != NULL) { fprintf(stderr, "-initrd only allowed with -kernel option\n"); exit(1); } os_set_line_buffering(); if (init_timer_alarm() < 0) { fprintf(stderr, "could not initialize alarm timer\n"); exit(1); } configure_icount(icount_option); if (net_init_clients() < 0) { exit(1); } /* init the bluetooth world */ if (foreach_device_config(DEV_BT, bt_parse)) exit(1); if (!xen_enabled()) { /* On 32-bit hosts, QEMU is limited by virtual address space */ if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) { fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); exit(1); } } cpu_exec_init_all(); bdrv_init_with_whitelist(); blk_mig_init(); /* open the virtual block devices */ if (snapshot) qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0); if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0) exit(1); default_drive(default_cdrom, snapshot, machine->use_scsi, IF_DEFAULT, 2, CDROM_OPTS); default_drive(default_floppy, snapshot, machine->use_scsi, IF_FLOPPY, 0, FD_OPTS); default_drive(default_sdcard, snapshot, machine->use_scsi, IF_SD, 0, SD_OPTS); register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL, ram_load, NULL); if (nb_numa_nodes > 0) { int i; if (nb_numa_nodes > MAX_NODES) { nb_numa_nodes = MAX_NODES; } /* If no memory size if given for any node, assume the default case * and distribute the available memory equally across all nodes */ for (i = 0; i < nb_numa_nodes; i++) { if (node_mem[i] != 0) break; } if (i == nb_numa_nodes) { uint64_t usedmem = 0; /* On Linux, the each node's border has to be 8MB aligned, * the final node gets the rest. */ for (i = 0; i < nb_numa_nodes - 1; i++) { node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); usedmem += node_mem[i]; } node_mem[i] = ram_size - usedmem; } for (i = 0; i < nb_numa_nodes; i++) { if (node_cpumask[i] != 0) break; } /* assigning the VCPUs round-robin is easier to implement, guest OSes * must cope with this anyway, because there are BIOSes out there in * real machines which also use this scheme. */ if (i == nb_numa_nodes) { for (i = 0; i < smp_cpus; i++) { node_cpumask[i % nb_numa_nodes] |= 1 << i; } } } if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) { exit(1); } if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) exit(1); if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) exit(1); if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) exit(1); if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) exit(1); module_call_init(MODULE_INIT_DEVICE); if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0) exit(0); if (watchdog) { i = select_watchdog(watchdog); if (i > 0) exit (i == 1 ? 1 : 0); } if (machine->compat_props) { qdev_prop_register_global_list(machine->compat_props); } qemu_add_globals(); machine->init(ram_size, boot_devices, kernel_filename, kernel_cmdline, initrd_filename, cpu_model); cpu_synchronize_all_post_init(); set_numa_modes(); current_machine = machine; /* init USB devices */ if (usb_enabled) { if (foreach_device_config(DEV_USB, usb_parse) < 0) exit(1); } /* init generic devices */ if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0) exit(1); net_check_clients(); /* just use the first displaystate for the moment */ ds = get_displaystate(); if (using_spice) display_remote++; if (display_type == DT_DEFAULT && !display_remote) { #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) display_type = DT_SDL; #elif defined(CONFIG_VNC) vnc_display = "localhost:0,to=99"; show_vnc_port = 1; #else display_type = DT_NONE; #endif } /* init local displays */ switch (display_type) { case DT_NOGRAPHIC: break; #if defined(CONFIG_CURSES) case DT_CURSES: curses_display_init(ds, full_screen); break; #endif #if defined(CONFIG_SDL) case DT_SDL: sdl_display_init(ds, full_screen, no_frame); break; #elif defined(CONFIG_COCOA) case DT_SDL: cocoa_display_init(ds, full_screen); break; #endif default: break; } /* must be after terminal init, SDL library changes signal handlers */ os_setup_signal_handling(); #ifdef CONFIG_VNC /* init remote displays */ if (vnc_display) { vnc_display_init(ds); if (vnc_display_open(ds, vnc_display) < 0) exit(1); if (show_vnc_port) { printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); } } #endif #ifdef CONFIG_SPICE if (using_spice && !qxl_enabled) { qemu_spice_display_init(ds); } #endif /* display setup */ dpy_resize(ds); dcl = ds->listeners; while (dcl != NULL) { if (dcl->dpy_refresh != NULL) { ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds); qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock)); break; } dcl = dcl->next; } text_consoles_set_display(ds); if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", gdbstub_dev); exit(1); } qdev_machine_creation_done(); if (rom_load_all() != 0) { fprintf(stderr, "rom loading failed\n"); exit(1); } /* TODO: once all bus devices are qdevified, this should be done * when bus is created by qdev.c */ qemu_register_reset(qbus_reset_all_fn, sysbus_get_default()); qemu_run_machine_init_done_notifiers(); qemu_system_reset(VMRESET_SILENT); if (loadvm) { if (load_vmstate(loadvm) < 0) { autostart = 0; } } if (incoming) { runstate_set(RUN_STATE_INMIGRATE); int ret = qemu_start_incoming_migration(incoming); if (ret < 0) { fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n", incoming, ret); exit(ret); } } else if (autostart) { vm_start(); } os_setup_post(); resume_all_vcpus(); main_loop(); bdrv_close_all(); pause_all_vcpus(); net_cleanup(); res_free(); return 0; }