4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #include <arpa/inet.h>
49 #include <sys/select.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
64 #include <linux/ppdev.h>
65 #include <linux/parport.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>
84 #if defined(__OpenBSD__)
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
115 #include "hw/boards.h"
117 #include "hw/pcmcia.h"
122 #include "hw/watchdog.h"
123 #include "hw/smbios.h"
126 #include "hw/loader.h"
129 #include "net/slirp.h"
134 #include "qemu-timer.h"
135 #include "qemu-char.h"
136 #include "cache-utils.h"
138 #include "blockdev.h"
139 #include "block-migration.h"
141 #include "audio/audio.h"
142 #include "migration.h"
144 #include "qemu-option.h"
145 #include "qemu-config.h"
146 #include "qemu-objects.h"
147 #include "qemu-options.h"
149 #include "fsdev/qemu-fsdev.h"
154 #include "qemu_socket.h"
156 #include "slirp/libslirp.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
162 #include "arch_init.h"
164 #include "ui/qemu-spice.h"
167 //#define DEBUG_SLIRP
169 #define DEFAULT_RAM_SIZE 128
171 #define MAX_VIRTIO_CONSOLES 1
173 static const char *data_dir;
174 const char *bios_name = NULL;
175 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176 DisplayType display_type = DT_DEFAULT;
177 int display_remote = 0;
178 const char* keyboard_layout = NULL;
180 const char *mem_path = NULL;
182 int mem_prealloc = 0; /* force preallocation of physical target memory */
185 NICInfo nd_table[MAX_NICS];
188 int incoming_expected; /* Started with -incoming and waiting for incoming */
189 static int rtc_utc = 1;
190 static int rtc_date_offset = -1; /* -1 means no change */
191 QEMUClock *rtc_clock;
192 int vga_interface_type = VGA_NONE;
193 static int full_screen = 0;
195 static int no_frame = 0;
198 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201 int win2k_install_hack = 0;
210 const char *vnc_display;
212 int acpi_enabled = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
223 int semihosting_enabled = 0;
225 const char *qemu_name;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
232 typedef struct FWBootEntry FWBootEntry;
235 QTAILQ_ENTRY(FWBootEntry) link;
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
247 static QEMUTimer *nographic_timer;
249 uint8_t qemu_uuid[16];
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
260 static int tcg_allowed = 1;
264 enum xen_mode xen_mode = XEN_EMULATE;
266 static int default_serial = 1;
267 static int default_parallel = 1;
268 static int default_virtcon = 1;
269 static int default_monitor = 1;
270 static int default_vga = 1;
271 static int default_floppy = 1;
272 static int default_cdrom = 1;
273 static int default_sdcard = 1;
279 { .driver = "isa-serial", .flag = &default_serial },
280 { .driver = "isa-parallel", .flag = &default_parallel },
281 { .driver = "isa-fdc", .flag = &default_floppy },
282 { .driver = "ide-cd", .flag = &default_cdrom },
283 { .driver = "ide-hd", .flag = &default_cdrom },
284 { .driver = "ide-drive", .flag = &default_cdrom },
285 { .driver = "scsi-cd", .flag = &default_cdrom },
286 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
287 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
288 { .driver = "virtio-serial", .flag = &default_virtcon },
289 { .driver = "VGA", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "vmware-svga", .flag = &default_vga },
292 { .driver = "isa-vga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
296 static int default_driver_check(QemuOpts *opts, void *opaque)
298 const char *driver = qemu_opt_get(opts, "driver");
303 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
304 if (strcmp(default_list[i].driver, driver) != 0)
306 *(default_list[i].flag) = 0;
311 /***********************************************************/
312 /* real time host monotonic timer */
314 /***********************************************************/
315 /* host time/date access */
316 void qemu_get_timedate(struct tm *tm, int offset)
323 if (rtc_date_offset == -1) {
327 ret = localtime(&ti);
329 ti -= rtc_date_offset;
333 memcpy(tm, ret, sizeof(struct tm));
336 int qemu_timedate_diff(struct tm *tm)
340 if (rtc_date_offset == -1)
342 seconds = mktimegm(tm);
344 seconds = mktime(tm);
346 seconds = mktimegm(tm) + rtc_date_offset;
348 return seconds - time(NULL);
351 void rtc_change_mon_event(struct tm *tm)
355 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
356 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
357 qobject_decref(data);
360 static void configure_rtc_date_offset(const char *startdate, int legacy)
362 time_t rtc_start_date;
365 if (!strcmp(startdate, "now") && legacy) {
366 rtc_date_offset = -1;
368 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
376 } else if (sscanf(startdate, "%d-%d-%d",
388 rtc_start_date = mktimegm(&tm);
389 if (rtc_start_date == -1) {
391 fprintf(stderr, "Invalid date format. Valid formats are:\n"
392 "'2006-06-17T16:01:21' or '2006-06-17'\n");
395 rtc_date_offset = time(NULL) - rtc_start_date;
399 static void configure_rtc(QemuOpts *opts)
403 value = qemu_opt_get(opts, "base");
405 if (!strcmp(value, "utc")) {
407 } else if (!strcmp(value, "localtime")) {
410 configure_rtc_date_offset(value, 0);
413 value = qemu_opt_get(opts, "clock");
415 if (!strcmp(value, "host")) {
416 rtc_clock = host_clock;
417 } else if (!strcmp(value, "vm")) {
418 rtc_clock = vm_clock;
420 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
424 value = qemu_opt_get(opts, "driftfix");
426 if (!strcmp(value, "slew")) {
428 } else if (!strcmp(value, "none")) {
431 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
437 /***********************************************************/
438 /* Bluetooth support */
441 static struct HCIInfo *hci_table[MAX_NICS];
443 static struct bt_vlan_s {
444 struct bt_scatternet_s net;
446 struct bt_vlan_s *next;
449 /* find or alloc a new bluetooth "VLAN" */
450 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
452 struct bt_vlan_s **pvlan, *vlan;
453 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
457 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
459 pvlan = &first_bt_vlan;
460 while (*pvlan != NULL)
461 pvlan = &(*pvlan)->next;
466 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
470 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
475 static struct HCIInfo null_hci = {
476 .cmd_send = null_hci_send,
477 .sco_send = null_hci_send,
478 .acl_send = null_hci_send,
479 .bdaddr_set = null_hci_addr_set,
482 struct HCIInfo *qemu_next_hci(void)
484 if (cur_hci == nb_hcis)
487 return hci_table[cur_hci++];
490 static struct HCIInfo *hci_init(const char *str)
493 struct bt_scatternet_s *vlan = 0;
495 if (!strcmp(str, "null"))
498 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
500 return bt_host_hci(str[4] ? str + 5 : "hci0");
501 else if (!strncmp(str, "hci", 3)) {
504 if (!strncmp(str + 3, ",vlan=", 6)) {
505 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
510 vlan = qemu_find_bt_vlan(0);
512 return bt_new_hci(vlan);
515 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
520 static int bt_hci_parse(const char *str)
525 if (nb_hcis >= MAX_NICS) {
526 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
539 bdaddr.b[5] = 0x56 + nb_hcis;
540 hci->bdaddr_set(hci, bdaddr.b);
542 hci_table[nb_hcis++] = hci;
547 static void bt_vhci_add(int vlan_id)
549 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
552 fprintf(stderr, "qemu: warning: adding a VHCI to "
553 "an empty scatternet %i\n", vlan_id);
555 bt_vhci_init(bt_new_hci(vlan));
558 static struct bt_device_s *bt_device_add(const char *opt)
560 struct bt_scatternet_s *vlan;
562 char *endp = strstr(opt, ",vlan=");
563 int len = (endp ? endp - opt : strlen(opt)) + 1;
566 pstrcpy(devname, MIN(sizeof(devname), len), opt);
569 vlan_id = strtol(endp + 6, &endp, 0);
571 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
576 vlan = qemu_find_bt_vlan(vlan_id);
579 fprintf(stderr, "qemu: warning: adding a slave device to "
580 "an empty scatternet %i\n", vlan_id);
582 if (!strcmp(devname, "keyboard"))
583 return bt_keyboard_init(vlan);
585 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
589 static int bt_parse(const char *opt)
591 const char *endp, *p;
594 if (strstart(opt, "hci", &endp)) {
595 if (!*endp || *endp == ',') {
597 if (!strstart(endp, ",vlan=", 0))
600 return bt_hci_parse(opt);
602 } else if (strstart(opt, "vhci", &endp)) {
603 if (!*endp || *endp == ',') {
605 if (strstart(endp, ",vlan=", &p)) {
606 vlan = strtol(p, (char **) &endp, 0);
608 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
612 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
621 } else if (strstart(opt, "device:", &endp))
622 return !bt_device_add(endp);
624 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
628 /***********************************************************/
629 /* QEMU Block devices */
631 #define HD_OPTS "media=disk"
632 #define CDROM_OPTS "media=cdrom"
634 #define PFLASH_OPTS ""
638 static int drive_init_func(QemuOpts *opts, void *opaque)
640 int *use_scsi = opaque;
642 return drive_init(opts, *use_scsi) == NULL;
645 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
647 if (NULL == qemu_opt_get(opts, "snapshot")) {
648 qemu_opt_set(opts, "snapshot", "on");
653 static void default_drive(int enable, int snapshot, int use_scsi,
654 BlockInterfaceType type, int index,
659 if (type == IF_DEFAULT) {
660 type = use_scsi ? IF_SCSI : IF_IDE;
663 if (!enable || drive_get_by_index(type, index)) {
667 opts = drive_add(type, index, NULL, optstr);
669 drive_enable_snapshot(opts, NULL);
671 if (!drive_init(opts, use_scsi)) {
676 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
678 boot_set_handler = func;
679 boot_set_opaque = opaque;
682 int qemu_boot_set(const char *boot_devices)
684 if (!boot_set_handler) {
687 return boot_set_handler(boot_set_opaque, boot_devices);
690 static void validate_bootdevices(char *devices)
692 /* We just do some generic consistency checks */
696 for (p = devices; *p != '\0'; p++) {
697 /* Allowed boot devices are:
698 * a-b: floppy disk drives
699 * c-f: IDE disk drives
700 * g-m: machine implementation dependant drives
701 * n-p: network devices
702 * It's up to each machine implementation to check if the given boot
703 * devices match the actual hardware implementation and firmware
706 if (*p < 'a' || *p > 'p') {
707 fprintf(stderr, "Invalid boot device '%c'\n", *p);
710 if (bitmap & (1 << (*p - 'a'))) {
711 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
714 bitmap |= 1 << (*p - 'a');
718 static void restore_boot_devices(void *opaque)
720 char *standard_boot_devices = opaque;
721 static int first = 1;
723 /* Restore boot order and remove ourselves after the first boot */
729 qemu_boot_set(standard_boot_devices);
731 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
732 qemu_free(standard_boot_devices);
735 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
738 FWBootEntry *node, *i;
744 assert(dev != NULL || suffix != NULL);
746 node = qemu_mallocz(sizeof(FWBootEntry));
747 node->bootindex = bootindex;
748 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
751 QTAILQ_FOREACH(i, &fw_boot_order, link) {
752 if (i->bootindex == bootindex) {
753 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
755 } else if (i->bootindex < bootindex) {
758 QTAILQ_INSERT_BEFORE(i, node, link);
761 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
765 * This function returns null terminated string that consist of new line
766 * separated device paths.
768 * memory pointed by "size" is assigned total length of the array in bytes
771 char *get_boot_devices_list(uint32_t *size)
777 QTAILQ_FOREACH(i, &fw_boot_order, link) {
778 char *devpath = NULL, *bootpath;
782 devpath = qdev_get_fw_dev_path(i->dev);
786 if (i->suffix && devpath) {
787 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
789 bootpath = qemu_malloc(bootpathlen);
790 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
792 } else if (devpath) {
795 bootpath = qemu_strdup(i->suffix);
800 list[total-1] = '\n';
802 len = strlen(bootpath) + 1;
803 list = qemu_realloc(list, total + len);
804 memcpy(&list[total], bootpath, len);
814 static void numa_add(const char *optarg)
818 unsigned long long value, endvalue;
821 optarg = get_opt_name(option, 128, optarg, ',') + 1;
822 if (!strcmp(option, "node")) {
823 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
824 nodenr = nb_numa_nodes;
826 nodenr = strtoull(option, NULL, 10);
829 if (get_param_value(option, 128, "mem", optarg) == 0) {
830 node_mem[nodenr] = 0;
833 sval = strtosz(option, NULL);
835 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
838 node_mem[nodenr] = sval;
840 if (get_param_value(option, 128, "cpus", optarg) == 0) {
841 node_cpumask[nodenr] = 0;
843 value = strtoull(option, &endptr, 10);
846 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
848 if (*endptr == '-') {
849 endvalue = strtoull(endptr+1, &endptr, 10);
850 if (endvalue >= 63) {
853 "only 63 CPUs in NUMA mode supported.\n");
855 value = (2ULL << endvalue) - (1ULL << value);
857 value = 1ULL << value;
860 node_cpumask[nodenr] = value;
867 static void smp_parse(const char *optarg)
869 int smp, sockets = 0, threads = 0, cores = 0;
873 smp = strtoul(optarg, &endptr, 10);
874 if (endptr != optarg) {
875 if (*endptr == ',') {
879 if (get_param_value(option, 128, "sockets", endptr) != 0)
880 sockets = strtoull(option, NULL, 10);
881 if (get_param_value(option, 128, "cores", endptr) != 0)
882 cores = strtoull(option, NULL, 10);
883 if (get_param_value(option, 128, "threads", endptr) != 0)
884 threads = strtoull(option, NULL, 10);
885 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
886 max_cpus = strtoull(option, NULL, 10);
888 /* compute missing values, prefer sockets over cores over threads */
889 if (smp == 0 || sockets == 0) {
890 sockets = sockets > 0 ? sockets : 1;
891 cores = cores > 0 ? cores : 1;
892 threads = threads > 0 ? threads : 1;
894 smp = cores * threads * sockets;
898 threads = threads > 0 ? threads : 1;
899 cores = smp / (sockets * threads);
901 threads = smp / (cores * sockets);
905 smp_cores = cores > 0 ? cores : 1;
906 smp_threads = threads > 0 ? threads : 1;
911 /***********************************************************/
914 static int usb_device_add(const char *devname)
917 USBDevice *dev = NULL;
922 /* drivers with .usbdevice_name entry in USBDeviceInfo */
923 dev = usbdevice_create(devname);
929 /* only the linux version is qdev-ified, usb-bsd still needs this */
930 if (strstart(devname, "host:", &p)) {
931 dev = usb_host_device_open(p);
934 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
935 dev = usb_bt_init(devname[2] ? hci_init(p) :
936 bt_new_hci(qemu_find_bt_vlan(0)));
947 static int usb_device_del(const char *devname)
952 if (strstart(devname, "host:", &p))
953 return usb_host_device_close(p);
958 p = strchr(devname, '.');
961 bus_num = strtoul(devname, NULL, 0);
962 addr = strtoul(p + 1, NULL, 0);
964 return usb_device_delete_addr(bus_num, addr);
967 static int usb_parse(const char *cmdline)
970 r = usb_device_add(cmdline);
972 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
977 void do_usb_add(Monitor *mon, const QDict *qdict)
979 const char *devname = qdict_get_str(qdict, "devname");
980 if (usb_device_add(devname) < 0) {
981 error_report("could not add USB device '%s'", devname);
985 void do_usb_del(Monitor *mon, const QDict *qdict)
987 const char *devname = qdict_get_str(qdict, "devname");
988 if (usb_device_del(devname) < 0) {
989 error_report("could not delete USB device '%s'", devname);
993 /***********************************************************/
996 static struct pcmcia_socket_entry_s {
997 PCMCIASocket *socket;
998 struct pcmcia_socket_entry_s *next;
999 } *pcmcia_sockets = 0;
1001 void pcmcia_socket_register(PCMCIASocket *socket)
1003 struct pcmcia_socket_entry_s *entry;
1005 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1006 entry->socket = socket;
1007 entry->next = pcmcia_sockets;
1008 pcmcia_sockets = entry;
1011 void pcmcia_socket_unregister(PCMCIASocket *socket)
1013 struct pcmcia_socket_entry_s *entry, **ptr;
1015 ptr = &pcmcia_sockets;
1016 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1017 if (entry->socket == socket) {
1023 void pcmcia_info(Monitor *mon)
1025 struct pcmcia_socket_entry_s *iter;
1027 if (!pcmcia_sockets)
1028 monitor_printf(mon, "No PCMCIA sockets\n");
1030 for (iter = pcmcia_sockets; iter; iter = iter->next)
1031 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1032 iter->socket->attached ? iter->socket->card_string :
1036 /***********************************************************/
1037 /* machine registration */
1039 static QEMUMachine *first_machine = NULL;
1040 QEMUMachine *current_machine = NULL;
1042 int qemu_register_machine(QEMUMachine *m)
1045 pm = &first_machine;
1053 static QEMUMachine *find_machine(const char *name)
1057 for(m = first_machine; m != NULL; m = m->next) {
1058 if (!strcmp(m->name, name))
1060 if (m->alias && !strcmp(m->alias, name))
1066 static QEMUMachine *find_default_machine(void)
1070 for(m = first_machine; m != NULL; m = m->next) {
1071 if (m->is_default) {
1078 /***********************************************************/
1079 /* main execution loop */
1081 static void gui_update(void *opaque)
1083 uint64_t interval = GUI_REFRESH_INTERVAL;
1084 DisplayState *ds = opaque;
1085 DisplayChangeListener *dcl = ds->listeners;
1087 qemu_flush_coalesced_mmio_buffer();
1090 while (dcl != NULL) {
1091 if (dcl->gui_timer_interval &&
1092 dcl->gui_timer_interval < interval)
1093 interval = dcl->gui_timer_interval;
1096 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1099 static void nographic_update(void *opaque)
1101 uint64_t interval = GUI_REFRESH_INTERVAL;
1103 qemu_flush_coalesced_mmio_buffer();
1104 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1107 struct vm_change_state_entry {
1108 VMChangeStateHandler *cb;
1110 QLIST_ENTRY (vm_change_state_entry) entries;
1113 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1115 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1118 VMChangeStateEntry *e;
1120 e = qemu_mallocz(sizeof (*e));
1124 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1128 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1130 QLIST_REMOVE (e, entries);
1134 void vm_state_notify(int running, int reason)
1136 VMChangeStateEntry *e;
1138 trace_vm_state_notify(running, reason);
1140 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1141 e->cb(e->opaque, running, reason);
1150 vm_state_notify(1, 0);
1152 monitor_protocol_event(QEVENT_RESUME, NULL);
1156 /* reset/shutdown handler */
1158 typedef struct QEMUResetEntry {
1159 QTAILQ_ENTRY(QEMUResetEntry) entry;
1160 QEMUResetHandler *func;
1164 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1165 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1166 static int reset_requested;
1167 static int shutdown_requested, shutdown_signal = -1;
1168 static pid_t shutdown_pid;
1169 static int powerdown_requested;
1170 static int debug_requested;
1171 static int vmstop_requested;
1173 int qemu_shutdown_requested_get(void)
1175 return shutdown_requested;
1178 int qemu_reset_requested_get(void)
1180 return reset_requested;
1183 int qemu_shutdown_requested(void)
1185 int r = shutdown_requested;
1186 shutdown_requested = 0;
1190 void qemu_kill_report(void)
1192 if (shutdown_signal != -1) {
1193 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1194 if (shutdown_pid == 0) {
1195 /* This happens for eg ^C at the terminal, so it's worth
1196 * avoiding printing an odd message in that case.
1198 fputc('\n', stderr);
1200 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1202 shutdown_signal = -1;
1206 int qemu_reset_requested(void)
1208 int r = reset_requested;
1209 reset_requested = 0;
1213 int qemu_powerdown_requested(void)
1215 int r = powerdown_requested;
1216 powerdown_requested = 0;
1220 static int qemu_debug_requested(void)
1222 int r = debug_requested;
1223 debug_requested = 0;
1227 static int qemu_vmstop_requested(void)
1229 int r = vmstop_requested;
1230 vmstop_requested = 0;
1234 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1236 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1239 re->opaque = opaque;
1240 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1243 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1247 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1248 if (re->func == func && re->opaque == opaque) {
1249 QTAILQ_REMOVE(&reset_handlers, re, entry);
1256 void qemu_system_reset(bool report)
1258 QEMUResetEntry *re, *nre;
1260 /* reset all devices */
1261 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1262 re->func(re->opaque);
1265 monitor_protocol_event(QEVENT_RESET, NULL);
1267 cpu_synchronize_all_post_reset();
1270 void qemu_system_reset_request(void)
1273 shutdown_requested = 1;
1275 reset_requested = 1;
1278 qemu_notify_event();
1281 void qemu_system_killed(int signal, pid_t pid)
1283 shutdown_signal = signal;
1285 qemu_system_shutdown_request();
1288 void qemu_system_shutdown_request(void)
1290 shutdown_requested = 1;
1291 qemu_notify_event();
1294 void qemu_system_powerdown_request(void)
1296 powerdown_requested = 1;
1297 qemu_notify_event();
1300 void qemu_system_debug_request(void)
1302 debug_requested = 1;
1303 qemu_notify_event();
1306 void qemu_system_vmstop_request(int reason)
1308 vmstop_requested = reason;
1309 qemu_notify_event();
1312 void main_loop_wait(int nonblocking)
1314 fd_set rfds, wfds, xfds;
1322 timeout = qemu_calculate_timeout();
1323 qemu_bh_update_timeout(&timeout);
1326 os_host_main_loop_wait(&timeout);
1328 tv.tv_sec = timeout / 1000;
1329 tv.tv_usec = (timeout % 1000) * 1000;
1331 /* poll any events */
1332 /* XXX: separate device handlers from system ones */
1337 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1338 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1340 qemu_mutex_unlock_iothread();
1341 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1342 qemu_mutex_lock_iothread();
1344 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1345 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1347 qemu_run_all_timers();
1349 /* Check bottom-halves last in case any of the earlier events triggered
1355 #ifndef CONFIG_IOTHREAD
1356 static int vm_request_pending(void)
1358 return powerdown_requested ||
1360 shutdown_requested ||
1366 qemu_irq qemu_system_powerdown;
1368 static void main_loop(void)
1370 bool nonblocking = false;
1371 #ifdef CONFIG_PROFILER
1376 qemu_main_loop_start();
1379 #ifndef CONFIG_IOTHREAD
1380 nonblocking = cpu_exec_all();
1381 if (vm_request_pending()) {
1385 #ifdef CONFIG_PROFILER
1386 ti = profile_getclock();
1388 main_loop_wait(nonblocking);
1389 #ifdef CONFIG_PROFILER
1390 dev_time += profile_getclock() - ti;
1393 if (qemu_debug_requested()) {
1394 vm_stop(VMSTOP_DEBUG);
1396 if (qemu_shutdown_requested()) {
1398 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1400 vm_stop(VMSTOP_SHUTDOWN);
1405 if (qemu_reset_requested()) {
1407 cpu_synchronize_all_states();
1408 qemu_system_reset(VMRESET_REPORT);
1411 if (qemu_powerdown_requested()) {
1412 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1413 qemu_irq_raise(qemu_system_powerdown);
1415 if ((r = qemu_vmstop_requested())) {
1423 static void version(void)
1425 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1428 static void help(int exitcode)
1430 const char *options_help =
1431 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1433 #define DEFHEADING(text) stringify(text) "\n"
1434 #include "qemu-options.def"
1440 printf("usage: %s [options] [disk_image]\n"
1442 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1445 "During emulation, the following keys are useful:\n"
1446 "ctrl-alt-f toggle full screen\n"
1447 "ctrl-alt-n switch to virtual console 'n'\n"
1448 "ctrl-alt toggle mouse and keyboard grab\n"
1450 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1456 #define HAS_ARG 0x0001
1458 typedef struct QEMUOption {
1465 static const QEMUOption qemu_options[] = {
1466 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1467 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1468 { option, opt_arg, opt_enum, arch_mask },
1469 #define DEFHEADING(text)
1470 #include "qemu-options.def"
1476 static void select_vgahw (const char *p)
1481 vga_interface_type = VGA_NONE;
1482 if (strstart(p, "std", &opts)) {
1483 vga_interface_type = VGA_STD;
1484 } else if (strstart(p, "cirrus", &opts)) {
1485 vga_interface_type = VGA_CIRRUS;
1486 } else if (strstart(p, "vmware", &opts)) {
1487 vga_interface_type = VGA_VMWARE;
1488 } else if (strstart(p, "xenfb", &opts)) {
1489 vga_interface_type = VGA_XENFB;
1490 } else if (strstart(p, "qxl", &opts)) {
1491 vga_interface_type = VGA_QXL;
1492 } else if (!strstart(p, "none", &opts)) {
1494 fprintf(stderr, "Unknown vga type: %s\n", p);
1498 const char *nextopt;
1500 if (strstart(opts, ",retrace=", &nextopt)) {
1502 if (strstart(opts, "dumb", &nextopt))
1503 vga_retrace_method = VGA_RETRACE_DUMB;
1504 else if (strstart(opts, "precise", &nextopt))
1505 vga_retrace_method = VGA_RETRACE_PRECISE;
1506 else goto invalid_vga;
1507 } else goto invalid_vga;
1512 static DisplayType select_display(const char *p)
1515 DisplayType display = DT_DEFAULT;
1517 if (strstart(p, "sdl", &opts)) {
1521 const char *nextopt;
1523 if (strstart(opts, ",frame=", &nextopt)) {
1525 if (strstart(opts, "on", &nextopt)) {
1527 } else if (strstart(opts, "off", &nextopt)) {
1530 goto invalid_sdl_args;
1532 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1534 if (strstart(opts, "on", &nextopt)) {
1536 } else if (strstart(opts, "off", &nextopt)) {
1539 goto invalid_sdl_args;
1541 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1543 if (strstart(opts, "on", &nextopt)) {
1545 } else if (strstart(opts, "off", &nextopt)) {
1548 goto invalid_sdl_args;
1550 } else if (strstart(opts, ",window_close=", &nextopt)) {
1552 if (strstart(opts, "on", &nextopt)) {
1554 } else if (strstart(opts, "off", &nextopt)) {
1557 goto invalid_sdl_args;
1561 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1567 fprintf(stderr, "SDL support is disabled\n");
1570 } else if (strstart(p, "vnc", &opts)) {
1575 const char *nextopt;
1577 if (strstart(opts, "=", &nextopt)) {
1578 vnc_display = nextopt;
1582 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1586 fprintf(stderr, "VNC support is disabled\n");
1589 } else if (strstart(p, "curses", &opts)) {
1590 #ifdef CONFIG_CURSES
1591 display = DT_CURSES;
1593 fprintf(stderr, "Curses support is disabled\n");
1596 } else if (strstart(p, "none", &opts)) {
1599 fprintf(stderr, "Unknown display type: %s\n", p);
1606 static int balloon_parse(const char *arg)
1610 if (strcmp(arg, "none") == 0) {
1614 if (!strncmp(arg, "virtio", 6)) {
1615 if (arg[6] == ',') {
1616 /* have params -> parse them */
1617 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1621 /* create empty opts */
1622 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1624 qemu_opt_set(opts, "driver", "virtio-balloon");
1631 char *qemu_find_file(int type, const char *name)
1637 /* If name contains path separators then try it as a straight path. */
1638 if ((strchr(name, '/') || strchr(name, '\\'))
1639 && access(name, R_OK) == 0) {
1640 return qemu_strdup(name);
1643 case QEMU_FILE_TYPE_BIOS:
1646 case QEMU_FILE_TYPE_KEYMAP:
1647 subdir = "keymaps/";
1652 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1653 buf = qemu_mallocz(len);
1654 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1655 if (access(buf, R_OK)) {
1662 static int device_help_func(QemuOpts *opts, void *opaque)
1664 return qdev_device_help(opts);
1667 static int device_init_func(QemuOpts *opts, void *opaque)
1671 dev = qdev_device_add(opts);
1677 static int chardev_init_func(QemuOpts *opts, void *opaque)
1679 CharDriverState *chr;
1681 chr = qemu_chr_open_opts(opts, NULL);
1687 #ifdef CONFIG_VIRTFS
1688 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1691 ret = qemu_fsdev_add(opts);
1697 static int mon_init_func(QemuOpts *opts, void *opaque)
1699 CharDriverState *chr;
1700 const char *chardev;
1704 mode = qemu_opt_get(opts, "mode");
1708 if (strcmp(mode, "readline") == 0) {
1709 flags = MONITOR_USE_READLINE;
1710 } else if (strcmp(mode, "control") == 0) {
1711 flags = MONITOR_USE_CONTROL;
1713 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1717 if (qemu_opt_get_bool(opts, "pretty", 0))
1718 flags |= MONITOR_USE_PRETTY;
1720 if (qemu_opt_get_bool(opts, "default", 0))
1721 flags |= MONITOR_IS_DEFAULT;
1723 chardev = qemu_opt_get(opts, "chardev");
1724 chr = qemu_chr_find(chardev);
1726 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1730 monitor_init(chr, flags);
1734 static void monitor_parse(const char *optarg, const char *mode)
1736 static int monitor_device_index = 0;
1742 if (strstart(optarg, "chardev:", &p)) {
1743 snprintf(label, sizeof(label), "%s", p);
1745 snprintf(label, sizeof(label), "compat_monitor%d",
1746 monitor_device_index);
1747 if (monitor_device_index == 0) {
1750 opts = qemu_chr_parse_compat(label, optarg);
1752 fprintf(stderr, "parse error: %s\n", optarg);
1757 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1759 fprintf(stderr, "duplicate chardev: %s\n", label);
1762 qemu_opt_set(opts, "mode", mode);
1763 qemu_opt_set(opts, "chardev", label);
1765 qemu_opt_set(opts, "default", "on");
1766 monitor_device_index++;
1769 struct device_config {
1771 DEV_USB, /* -usbdevice */
1773 DEV_SERIAL, /* -serial */
1774 DEV_PARALLEL, /* -parallel */
1775 DEV_VIRTCON, /* -virtioconsole */
1776 DEV_DEBUGCON, /* -debugcon */
1778 const char *cmdline;
1779 QTAILQ_ENTRY(device_config) next;
1781 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1783 static void add_device_config(int type, const char *cmdline)
1785 struct device_config *conf;
1787 conf = qemu_mallocz(sizeof(*conf));
1789 conf->cmdline = cmdline;
1790 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1793 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1795 struct device_config *conf;
1798 QTAILQ_FOREACH(conf, &device_configs, next) {
1799 if (conf->type != type)
1801 rc = func(conf->cmdline);
1808 static int serial_parse(const char *devname)
1810 static int index = 0;
1813 if (strcmp(devname, "none") == 0)
1815 if (index == MAX_SERIAL_PORTS) {
1816 fprintf(stderr, "qemu: too many serial ports\n");
1819 snprintf(label, sizeof(label), "serial%d", index);
1820 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1821 if (!serial_hds[index]) {
1822 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1823 devname, strerror(errno));
1830 static int parallel_parse(const char *devname)
1832 static int index = 0;
1835 if (strcmp(devname, "none") == 0)
1837 if (index == MAX_PARALLEL_PORTS) {
1838 fprintf(stderr, "qemu: too many parallel ports\n");
1841 snprintf(label, sizeof(label), "parallel%d", index);
1842 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1843 if (!parallel_hds[index]) {
1844 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1845 devname, strerror(errno));
1852 static int virtcon_parse(const char *devname)
1854 QemuOptsList *device = qemu_find_opts("device");
1855 static int index = 0;
1857 QemuOpts *bus_opts, *dev_opts;
1859 if (strcmp(devname, "none") == 0)
1861 if (index == MAX_VIRTIO_CONSOLES) {
1862 fprintf(stderr, "qemu: too many virtio consoles\n");
1866 bus_opts = qemu_opts_create(device, NULL, 0);
1867 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1869 dev_opts = qemu_opts_create(device, NULL, 0);
1870 qemu_opt_set(dev_opts, "driver", "virtconsole");
1872 snprintf(label, sizeof(label), "virtcon%d", index);
1873 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1874 if (!virtcon_hds[index]) {
1875 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1876 devname, strerror(errno));
1879 qemu_opt_set(dev_opts, "chardev", label);
1885 static int debugcon_parse(const char *devname)
1889 if (!qemu_chr_open("debugcon", devname, NULL)) {
1892 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1894 fprintf(stderr, "qemu: already have a debugcon device\n");
1897 qemu_opt_set(opts, "driver", "isa-debugcon");
1898 qemu_opt_set(opts, "chardev", "debugcon");
1902 static int tcg_init(void)
1908 const char *opt_name;
1910 int (*available)(void);
1914 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1915 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1916 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1919 static int configure_accelerator(void)
1921 const char *p = NULL;
1924 bool accel_initalised = 0;
1925 bool init_failed = 0;
1927 QemuOptsList *list = qemu_find_opts("machine");
1928 if (!QTAILQ_EMPTY(&list->head)) {
1929 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1933 /* Use the default "accelerator", tcg */
1937 while (!accel_initalised && *p != '\0') {
1941 p = get_opt_name(buf, sizeof (buf), p, ':');
1942 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1943 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1944 *(accel_list[i].allowed) = 1;
1945 ret = accel_list[i].init();
1948 if (!accel_list[i].available()) {
1949 printf("%s not supported for this target\n",
1950 accel_list[i].name);
1952 fprintf(stderr, "failed to initialize %s: %s\n",
1956 *(accel_list[i].allowed) = 0;
1958 accel_initalised = 1;
1963 if (i == ARRAY_SIZE(accel_list)) {
1964 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1968 if (!accel_initalised) {
1969 fprintf(stderr, "No accelerator found!\n");
1974 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1977 return !accel_initalised;
1980 void qemu_add_exit_notifier(Notifier *notify)
1982 notifier_list_add(&exit_notifiers, notify);
1985 void qemu_remove_exit_notifier(Notifier *notify)
1987 notifier_list_remove(&exit_notifiers, notify);
1990 static void qemu_run_exit_notifiers(void)
1992 notifier_list_notify(&exit_notifiers);
1995 void qemu_add_machine_init_done_notifier(Notifier *notify)
1997 notifier_list_add(&machine_init_done_notifiers, notify);
2000 static void qemu_run_machine_init_done_notifiers(void)
2002 notifier_list_notify(&machine_init_done_notifiers);
2005 static const QEMUOption *lookup_opt(int argc, char **argv,
2006 const char **poptarg, int *poptind)
2008 const QEMUOption *popt;
2009 int optind = *poptind;
2010 char *r = argv[optind];
2013 loc_set_cmdline(argv, optind, 1);
2015 /* Treat --foo the same as -foo. */
2018 popt = qemu_options;
2021 error_report("invalid option");
2024 if (!strcmp(popt->name, r + 1))
2028 if (popt->flags & HAS_ARG) {
2029 if (optind >= argc) {
2030 error_report("requires an argument");
2033 optarg = argv[optind++];
2034 loc_set_cmdline(argv, optind - 2, 2);
2045 int main(int argc, char **argv, char **envp)
2047 const char *gdbstub_dev = NULL;
2049 int snapshot, linux_boot;
2050 const char *icount_option = NULL;
2051 const char *initrd_filename;
2052 const char *kernel_filename, *kernel_cmdline;
2053 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2055 DisplayChangeListener *dcl;
2056 int cyls, heads, secs, translation;
2057 QemuOpts *hda_opts = NULL, *opts;
2058 QemuOptsList *olist;
2061 const char *loadvm = NULL;
2062 QEMUMachine *machine;
2063 const char *cpu_model;
2065 const char *pid_file = NULL;
2066 const char *incoming = NULL;
2068 int show_vnc_port = 0;
2071 const char *trace_file = NULL;
2072 const char *log_mask = NULL;
2073 const char *log_file = NULL;
2075 atexit(qemu_run_exit_notifiers);
2076 error_set_progname(argv[0]);
2080 qemu_cache_utils_init(envp);
2082 QLIST_INIT (&vm_change_state_head);
2083 os_setup_early_signal_handling();
2085 module_call_init(MODULE_INIT_MACHINE);
2086 machine = find_default_machine();
2088 initrd_filename = NULL;
2091 kernel_filename = NULL;
2092 kernel_cmdline = "";
2093 cyls = heads = secs = 0;
2094 translation = BIOS_ATA_TRANSLATION_AUTO;
2096 for (i = 0; i < MAX_NODES; i++) {
2098 node_cpumask[i] = 0;
2107 /* first pass of option parsing */
2109 while (optind < argc) {
2110 if (argv[optind][0] != '-') {
2115 const QEMUOption *popt;
2117 popt = lookup_opt(argc, argv, &optarg, &optind);
2118 switch (popt->index) {
2119 case QEMU_OPTION_nodefconfig:
2129 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2130 if (ret < 0 && ret != -ENOENT) {
2134 ret = qemu_read_config_file(arch_config_name);
2135 if (ret < 0 && ret != -ENOENT) {
2141 /* second pass of option parsing */
2146 if (argv[optind][0] != '-') {
2147 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2149 const QEMUOption *popt;
2151 popt = lookup_opt(argc, argv, &optarg, &optind);
2152 if (!(popt->arch_mask & arch_type)) {
2153 printf("Option %s not supported for this target\n", popt->name);
2156 switch(popt->index) {
2158 machine = find_machine(optarg);
2161 printf("Supported machines are:\n");
2162 for(m = first_machine; m != NULL; m = m->next) {
2164 printf("%-10s %s (alias of %s)\n",
2165 m->alias, m->desc, m->name);
2166 printf("%-10s %s%s\n",
2168 m->is_default ? " (default)" : "");
2170 exit(*optarg != '?');
2173 case QEMU_OPTION_cpu:
2174 /* hw initialization will check this */
2175 if (*optarg == '?') {
2176 list_cpus(stdout, &fprintf, optarg);
2182 case QEMU_OPTION_initrd:
2183 initrd_filename = optarg;
2185 case QEMU_OPTION_hda:
2189 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2191 snprintf(buf, sizeof(buf),
2192 "%s,cyls=%d,heads=%d,secs=%d%s",
2193 HD_OPTS , cyls, heads, secs,
2194 translation == BIOS_ATA_TRANSLATION_LBA ?
2196 translation == BIOS_ATA_TRANSLATION_NONE ?
2197 ",trans=none" : "");
2198 drive_add(IF_DEFAULT, 0, optarg, buf);
2201 case QEMU_OPTION_hdb:
2202 case QEMU_OPTION_hdc:
2203 case QEMU_OPTION_hdd:
2204 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2207 case QEMU_OPTION_drive:
2208 if (drive_def(optarg) == NULL) {
2212 case QEMU_OPTION_set:
2213 if (qemu_set_option(optarg) != 0)
2216 case QEMU_OPTION_global:
2217 if (qemu_global_option(optarg) != 0)
2220 case QEMU_OPTION_mtdblock:
2221 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2223 case QEMU_OPTION_sd:
2224 drive_add(IF_SD, 0, optarg, SD_OPTS);
2226 case QEMU_OPTION_pflash:
2227 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2229 case QEMU_OPTION_snapshot:
2232 case QEMU_OPTION_hdachs:
2236 cyls = strtol(p, (char **)&p, 0);
2237 if (cyls < 1 || cyls > 16383)
2242 heads = strtol(p, (char **)&p, 0);
2243 if (heads < 1 || heads > 16)
2248 secs = strtol(p, (char **)&p, 0);
2249 if (secs < 1 || secs > 63)
2253 if (!strcmp(p, "none"))
2254 translation = BIOS_ATA_TRANSLATION_NONE;
2255 else if (!strcmp(p, "lba"))
2256 translation = BIOS_ATA_TRANSLATION_LBA;
2257 else if (!strcmp(p, "auto"))
2258 translation = BIOS_ATA_TRANSLATION_AUTO;
2261 } else if (*p != '\0') {
2263 fprintf(stderr, "qemu: invalid physical CHS format\n");
2266 if (hda_opts != NULL) {
2268 snprintf(num, sizeof(num), "%d", cyls);
2269 qemu_opt_set(hda_opts, "cyls", num);
2270 snprintf(num, sizeof(num), "%d", heads);
2271 qemu_opt_set(hda_opts, "heads", num);
2272 snprintf(num, sizeof(num), "%d", secs);
2273 qemu_opt_set(hda_opts, "secs", num);
2274 if (translation == BIOS_ATA_TRANSLATION_LBA)
2275 qemu_opt_set(hda_opts, "trans", "lba");
2276 if (translation == BIOS_ATA_TRANSLATION_NONE)
2277 qemu_opt_set(hda_opts, "trans", "none");
2281 case QEMU_OPTION_numa:
2282 if (nb_numa_nodes >= MAX_NODES) {
2283 fprintf(stderr, "qemu: too many NUMA nodes\n");
2288 case QEMU_OPTION_display:
2289 display_type = select_display(optarg);
2291 case QEMU_OPTION_nographic:
2292 display_type = DT_NOGRAPHIC;
2294 case QEMU_OPTION_curses:
2295 #ifdef CONFIG_CURSES
2296 display_type = DT_CURSES;
2298 fprintf(stderr, "Curses support is disabled\n");
2302 case QEMU_OPTION_portrait:
2305 case QEMU_OPTION_kernel:
2306 kernel_filename = optarg;
2308 case QEMU_OPTION_append:
2309 kernel_cmdline = optarg;
2311 case QEMU_OPTION_cdrom:
2312 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2314 case QEMU_OPTION_boot:
2316 static const char * const params[] = {
2317 "order", "once", "menu", NULL
2319 char buf[sizeof(boot_devices)];
2320 char *standard_boot_devices;
2323 if (!strchr(optarg, '=')) {
2325 pstrcpy(buf, sizeof(buf), optarg);
2326 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2328 "qemu: unknown boot parameter '%s' in '%s'\n",
2334 get_param_value(buf, sizeof(buf), "order", optarg)) {
2335 validate_bootdevices(buf);
2336 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2339 if (get_param_value(buf, sizeof(buf),
2341 validate_bootdevices(buf);
2342 standard_boot_devices = qemu_strdup(boot_devices);
2343 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2344 qemu_register_reset(restore_boot_devices,
2345 standard_boot_devices);
2347 if (get_param_value(buf, sizeof(buf),
2349 if (!strcmp(buf, "on")) {
2351 } else if (!strcmp(buf, "off")) {
2355 "qemu: invalid option value '%s'\n",
2363 case QEMU_OPTION_fda:
2364 case QEMU_OPTION_fdb:
2365 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2368 case QEMU_OPTION_no_fd_bootchk:
2371 case QEMU_OPTION_netdev:
2372 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2376 case QEMU_OPTION_net:
2377 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2382 case QEMU_OPTION_tftp:
2383 legacy_tftp_prefix = optarg;
2385 case QEMU_OPTION_bootp:
2386 legacy_bootp_filename = optarg;
2388 case QEMU_OPTION_redir:
2389 if (net_slirp_redir(optarg) < 0)
2393 case QEMU_OPTION_bt:
2394 add_device_config(DEV_BT, optarg);
2396 case QEMU_OPTION_audio_help:
2397 if (!(audio_available())) {
2398 printf("Option %s not supported for this target\n", popt->name);
2404 case QEMU_OPTION_soundhw:
2405 if (!(audio_available())) {
2406 printf("Option %s not supported for this target\n", popt->name);
2409 select_soundhw (optarg);
2414 case QEMU_OPTION_version:
2418 case QEMU_OPTION_m: {
2421 value = strtosz(optarg, NULL);
2423 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2427 /* On 32-bit hosts, QEMU is limited by virtual address space */
2428 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2429 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2432 if (value != (uint64_t)(ram_addr_t)value) {
2433 fprintf(stderr, "qemu: ram size too large\n");
2439 case QEMU_OPTION_mempath:
2443 case QEMU_OPTION_mem_prealloc:
2454 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2456 case QEMU_OPTION_gdb:
2457 gdbstub_dev = optarg;
2462 case QEMU_OPTION_bios:
2465 case QEMU_OPTION_singlestep:
2472 keyboard_layout = optarg;
2474 case QEMU_OPTION_localtime:
2477 case QEMU_OPTION_vga:
2478 select_vgahw (optarg);
2485 w = strtol(p, (char **)&p, 10);
2488 fprintf(stderr, "qemu: invalid resolution or depth\n");
2494 h = strtol(p, (char **)&p, 10);
2499 depth = strtol(p, (char **)&p, 10);
2500 if (depth != 8 && depth != 15 && depth != 16 &&
2501 depth != 24 && depth != 32)
2503 } else if (*p == '\0') {
2504 depth = graphic_depth;
2511 graphic_depth = depth;
2514 case QEMU_OPTION_echr:
2517 term_escape_char = strtol(optarg, &r, 0);
2519 printf("Bad argument to echr\n");
2522 case QEMU_OPTION_monitor:
2523 monitor_parse(optarg, "readline");
2524 default_monitor = 0;
2526 case QEMU_OPTION_qmp:
2527 monitor_parse(optarg, "control");
2528 default_monitor = 0;
2530 case QEMU_OPTION_mon:
2531 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2535 default_monitor = 0;
2537 case QEMU_OPTION_chardev:
2538 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2543 case QEMU_OPTION_fsdev:
2544 olist = qemu_find_opts("fsdev");
2546 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2549 opts = qemu_opts_parse(olist, optarg, 1);
2551 fprintf(stderr, "parse error: %s\n", optarg);
2555 case QEMU_OPTION_virtfs: {
2559 olist = qemu_find_opts("virtfs");
2561 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2564 opts = qemu_opts_parse(olist, optarg, 1);
2566 fprintf(stderr, "parse error: %s\n", optarg);
2570 if (qemu_opt_get(opts, "fstype") == NULL ||
2571 qemu_opt_get(opts, "mount_tag") == NULL ||
2572 qemu_opt_get(opts, "path") == NULL ||
2573 qemu_opt_get(opts, "security_model") == NULL) {
2574 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2575 "security_model=[mapped|passthrough|none],"
2576 "mount_tag=tag.\n");
2580 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2581 qemu_opt_get(opts, "mount_tag"), 1);
2583 fprintf(stderr, "duplicate fsdev id: %s\n",
2584 qemu_opt_get(opts, "mount_tag"));
2587 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2588 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2589 qemu_opt_set(fsdev, "security_model",
2590 qemu_opt_get(opts, "security_model"));
2592 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2593 qemu_opt_set(device, "driver", "virtio-9p-pci");
2594 qemu_opt_set(device, "fsdev",
2595 qemu_opt_get(opts, "mount_tag"));
2596 qemu_opt_set(device, "mount_tag",
2597 qemu_opt_get(opts, "mount_tag"));
2600 case QEMU_OPTION_serial:
2601 add_device_config(DEV_SERIAL, optarg);
2603 if (strncmp(optarg, "mon:", 4) == 0) {
2604 default_monitor = 0;
2607 case QEMU_OPTION_watchdog:
2610 "qemu: only one watchdog option may be given\n");
2615 case QEMU_OPTION_watchdog_action:
2616 if (select_watchdog_action(optarg) == -1) {
2617 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2621 case QEMU_OPTION_virtiocon:
2622 add_device_config(DEV_VIRTCON, optarg);
2623 default_virtcon = 0;
2624 if (strncmp(optarg, "mon:", 4) == 0) {
2625 default_monitor = 0;
2628 case QEMU_OPTION_parallel:
2629 add_device_config(DEV_PARALLEL, optarg);
2630 default_parallel = 0;
2631 if (strncmp(optarg, "mon:", 4) == 0) {
2632 default_monitor = 0;
2635 case QEMU_OPTION_debugcon:
2636 add_device_config(DEV_DEBUGCON, optarg);
2638 case QEMU_OPTION_loadvm:
2641 case QEMU_OPTION_full_screen:
2645 case QEMU_OPTION_no_frame:
2648 case QEMU_OPTION_alt_grab:
2651 case QEMU_OPTION_ctrl_grab:
2654 case QEMU_OPTION_no_quit:
2657 case QEMU_OPTION_sdl:
2658 display_type = DT_SDL;
2661 case QEMU_OPTION_no_frame:
2662 case QEMU_OPTION_alt_grab:
2663 case QEMU_OPTION_ctrl_grab:
2664 case QEMU_OPTION_no_quit:
2665 case QEMU_OPTION_sdl:
2666 fprintf(stderr, "SDL support is disabled\n");
2669 case QEMU_OPTION_pidfile:
2672 case QEMU_OPTION_win2k_hack:
2673 win2k_install_hack = 1;
2675 case QEMU_OPTION_rtc_td_hack:
2678 case QEMU_OPTION_acpitable:
2679 do_acpitable_option(optarg);
2681 case QEMU_OPTION_smbios:
2682 do_smbios_option(optarg);
2684 case QEMU_OPTION_enable_kvm:
2685 olist = qemu_find_opts("machine");
2686 qemu_opts_reset(olist);
2687 qemu_opts_parse(olist, "accel=kvm", 0);
2689 case QEMU_OPTION_machine:
2690 olist = qemu_find_opts("machine");
2691 qemu_opts_reset(olist);
2692 opts = qemu_opts_parse(olist, optarg, 0);
2694 fprintf(stderr, "parse error: %s\n", optarg);
2698 case QEMU_OPTION_usb:
2701 case QEMU_OPTION_usbdevice:
2703 add_device_config(DEV_USB, optarg);
2705 case QEMU_OPTION_device:
2706 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2710 case QEMU_OPTION_smp:
2713 fprintf(stderr, "Invalid number of CPUs\n");
2716 if (max_cpus < smp_cpus) {
2717 fprintf(stderr, "maxcpus must be equal to or greater than "
2721 if (max_cpus > 255) {
2722 fprintf(stderr, "Unsupported number of maxcpus\n");
2726 case QEMU_OPTION_vnc:
2729 vnc_display = optarg;
2731 fprintf(stderr, "VNC support is disabled\n");
2735 case QEMU_OPTION_no_acpi:
2738 case QEMU_OPTION_no_hpet:
2741 case QEMU_OPTION_balloon:
2742 if (balloon_parse(optarg) < 0) {
2743 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2747 case QEMU_OPTION_no_reboot:
2750 case QEMU_OPTION_no_shutdown:
2753 case QEMU_OPTION_show_cursor:
2756 case QEMU_OPTION_uuid:
2757 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2758 fprintf(stderr, "Fail to parse UUID string."
2759 " Wrong format.\n");
2763 case QEMU_OPTION_option_rom:
2764 if (nb_option_roms >= MAX_OPTION_ROMS) {
2765 fprintf(stderr, "Too many option ROMs\n");
2768 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2769 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2770 option_rom[nb_option_roms].bootindex =
2771 qemu_opt_get_number(opts, "bootindex", -1);
2772 if (!option_rom[nb_option_roms].name) {
2773 fprintf(stderr, "Option ROM file is not specified\n");
2778 case QEMU_OPTION_semihosting:
2779 semihosting_enabled = 1;
2781 case QEMU_OPTION_name:
2782 qemu_name = qemu_strdup(optarg);
2784 char *p = strchr(qemu_name, ',');
2787 if (strncmp(p, "process=", 8)) {
2788 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2792 os_set_proc_name(p);
2796 case QEMU_OPTION_prom_env:
2797 if (nb_prom_envs >= MAX_PROM_ENVS) {
2798 fprintf(stderr, "Too many prom variables\n");
2801 prom_envs[nb_prom_envs] = optarg;
2804 case QEMU_OPTION_old_param:
2807 case QEMU_OPTION_clock:
2808 configure_alarms(optarg);
2810 case QEMU_OPTION_startdate:
2811 configure_rtc_date_offset(optarg, 1);
2813 case QEMU_OPTION_rtc:
2814 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2818 configure_rtc(opts);
2820 case QEMU_OPTION_tb_size:
2821 tb_size = strtol(optarg, NULL, 0);
2825 case QEMU_OPTION_icount:
2826 icount_option = optarg;
2828 case QEMU_OPTION_incoming:
2830 incoming_expected = true;
2832 case QEMU_OPTION_nodefaults:
2834 default_parallel = 0;
2835 default_virtcon = 0;
2836 default_monitor = 0;
2843 case QEMU_OPTION_xen_domid:
2844 if (!(xen_available())) {
2845 printf("Option %s not supported for this target\n", popt->name);
2848 xen_domid = atoi(optarg);
2850 case QEMU_OPTION_xen_create:
2851 if (!(xen_available())) {
2852 printf("Option %s not supported for this target\n", popt->name);
2855 xen_mode = XEN_CREATE;
2857 case QEMU_OPTION_xen_attach:
2858 if (!(xen_available())) {
2859 printf("Option %s not supported for this target\n", popt->name);
2862 xen_mode = XEN_ATTACH;
2864 #ifdef CONFIG_SIMPLE_TRACE
2865 case QEMU_OPTION_trace:
2866 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2868 trace_file = qemu_opt_get(opts, "file");
2872 case QEMU_OPTION_readconfig:
2874 int ret = qemu_read_config_file(optarg);
2876 fprintf(stderr, "read config %s: %s\n", optarg,
2882 case QEMU_OPTION_spice:
2883 olist = qemu_find_opts("spice");
2885 fprintf(stderr, "spice is not supported by this qemu build.\n");
2888 opts = qemu_opts_parse(olist, optarg, 0);
2890 fprintf(stderr, "parse error: %s\n", optarg);
2894 case QEMU_OPTION_writeconfig:
2897 if (strcmp(optarg, "-") == 0) {
2900 fp = fopen(optarg, "w");
2902 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2906 qemu_config_write(fp);
2911 os_parse_cmd_args(popt->index, optarg);
2917 /* Open the logfile at this point, if necessary. We can't open the logfile
2918 * when encountering either of the logging options (-d or -D) because the
2919 * other one may be encountered later on the command line, changing the
2920 * location or level of logging.
2924 set_cpu_log_filename(log_file);
2926 set_cpu_log(log_mask);
2929 if (!st_init(trace_file)) {
2930 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2933 /* If no data_dir is specified then try to find it relative to the
2936 data_dir = os_find_datadir(argv[0]);
2938 /* If all else fails use the install patch specified when building. */
2940 data_dir = CONFIG_QEMU_DATADIR;
2944 * Default to max_cpus = smp_cpus, in case the user doesn't
2945 * specify a max_cpus value.
2948 max_cpus = smp_cpus;
2950 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2951 if (smp_cpus > machine->max_cpus) {
2952 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2953 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2959 * Get the default machine options from the machine if it is not already
2960 * specified either by the configuration file or by the command line.
2962 if (machine->default_machine_opts) {
2963 QemuOptsList *list = qemu_find_opts("machine");
2964 const char *p = NULL;
2966 if (!QTAILQ_EMPTY(&list->head)) {
2967 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2970 opts = qemu_opts_parse(qemu_find_opts("machine"),
2971 machine->default_machine_opts, 0);
2973 fprintf(stderr, "parse error for machine %s: %s\n",
2974 machine->name, machine->default_machine_opts);
2980 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2981 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2983 if (machine->no_serial) {
2986 if (machine->no_parallel) {
2987 default_parallel = 0;
2989 if (!machine->use_virtcon) {
2990 default_virtcon = 0;
2992 if (machine->no_vga) {
2995 if (machine->no_floppy) {
2998 if (machine->no_cdrom) {
3001 if (machine->no_sdcard) {
3005 if (display_type == DT_NOGRAPHIC) {
3006 if (default_parallel)
3007 add_device_config(DEV_PARALLEL, "null");
3008 if (default_serial && default_monitor) {
3009 add_device_config(DEV_SERIAL, "mon:stdio");
3010 } else if (default_virtcon && default_monitor) {
3011 add_device_config(DEV_VIRTCON, "mon:stdio");
3014 add_device_config(DEV_SERIAL, "stdio");
3015 if (default_virtcon)
3016 add_device_config(DEV_VIRTCON, "stdio");
3017 if (default_monitor)
3018 monitor_parse("stdio", "readline");
3022 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3023 if (default_parallel)
3024 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3025 if (default_monitor)
3026 monitor_parse("vc:80Cx24C", "readline");
3027 if (default_virtcon)
3028 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3031 vga_interface_type = VGA_CIRRUS;
3035 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3037 #ifdef CONFIG_VIRTFS
3038 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3045 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3050 configure_accelerator();
3052 if (qemu_init_main_loop()) {
3053 fprintf(stderr, "qemu_init_main_loop failed\n");
3056 linux_boot = (kernel_filename != NULL);
3058 if (!linux_boot && *kernel_cmdline != '\0') {
3059 fprintf(stderr, "-append only allowed with -kernel option\n");
3063 if (!linux_boot && initrd_filename != NULL) {
3064 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3068 os_set_line_buffering();
3070 if (init_timer_alarm() < 0) {
3071 fprintf(stderr, "could not initialize alarm timer\n");
3074 configure_icount(icount_option);
3076 if (net_init_clients() < 0) {
3080 /* init the bluetooth world */
3081 if (foreach_device_config(DEV_BT, bt_parse))
3084 /* init the memory */
3086 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3088 /* init the dynamic translator */
3089 cpu_exec_init_all(tb_size * 1024 * 1024);
3091 bdrv_init_with_whitelist();
3095 /* open the virtual block devices */
3097 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3098 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3101 default_drive(default_cdrom, snapshot, machine->use_scsi,
3102 IF_DEFAULT, 2, CDROM_OPTS);
3103 default_drive(default_floppy, snapshot, machine->use_scsi,
3104 IF_FLOPPY, 0, FD_OPTS);
3105 default_drive(default_sdcard, snapshot, machine->use_scsi,
3108 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3111 if (nb_numa_nodes > 0) {
3114 if (nb_numa_nodes > smp_cpus) {
3115 nb_numa_nodes = smp_cpus;
3118 /* If no memory size if given for any node, assume the default case
3119 * and distribute the available memory equally across all nodes
3121 for (i = 0; i < nb_numa_nodes; i++) {
3122 if (node_mem[i] != 0)
3125 if (i == nb_numa_nodes) {
3126 uint64_t usedmem = 0;
3128 /* On Linux, the each node's border has to be 8MB aligned,
3129 * the final node gets the rest.
3131 for (i = 0; i < nb_numa_nodes - 1; i++) {
3132 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3133 usedmem += node_mem[i];
3135 node_mem[i] = ram_size - usedmem;
3138 for (i = 0; i < nb_numa_nodes; i++) {
3139 if (node_cpumask[i] != 0)
3142 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3143 * must cope with this anyway, because there are BIOSes out there in
3144 * real machines which also use this scheme.
3146 if (i == nb_numa_nodes) {
3147 for (i = 0; i < smp_cpus; i++) {
3148 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3153 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3157 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3159 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3161 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3163 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3166 module_call_init(MODULE_INIT_DEVICE);
3168 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3172 i = select_watchdog(watchdog);
3174 exit (i == 1 ? 1 : 0);
3177 if (machine->compat_props) {
3178 qdev_prop_register_global_list(machine->compat_props);
3182 machine->init(ram_size, boot_devices,
3183 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3185 cpu_synchronize_all_post_init();
3189 current_machine = machine;
3191 /* init USB devices */
3193 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3197 /* init generic devices */
3198 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3201 net_check_clients();
3203 /* just use the first displaystate for the moment */
3204 ds = get_displaystate();
3208 if (display_type == DT_DEFAULT && !display_remote) {
3209 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3210 display_type = DT_SDL;
3211 #elif defined(CONFIG_VNC)
3212 vnc_display = "localhost:0,to=99";
3215 display_type = DT_NONE;
3220 /* init local displays */
3221 switch (display_type) {
3224 #if defined(CONFIG_CURSES)
3226 curses_display_init(ds, full_screen);
3229 #if defined(CONFIG_SDL)
3231 sdl_display_init(ds, full_screen, no_frame);
3233 #elif defined(CONFIG_COCOA)
3235 cocoa_display_init(ds, full_screen);
3242 /* must be after terminal init, SDL library changes signal handlers */
3243 os_setup_signal_handling();
3246 /* init remote displays */
3248 vnc_display_init(ds);
3249 if (vnc_display_open(ds, vnc_display) < 0)
3252 if (show_vnc_port) {
3253 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3258 if (using_spice && !qxl_enabled) {
3259 qemu_spice_display_init(ds);
3265 dcl = ds->listeners;
3266 while (dcl != NULL) {
3267 if (dcl->dpy_refresh != NULL) {
3268 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3269 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3274 if (ds->gui_timer == NULL) {
3275 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3276 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3278 text_consoles_set_display(ds);
3280 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3281 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3286 qdev_machine_creation_done();
3288 if (rom_load_all() != 0) {
3289 fprintf(stderr, "rom loading failed\n");
3293 /* TODO: once all bus devices are qdevified, this should be done
3294 * when bus is created by qdev.c */
3295 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3296 qemu_run_machine_init_done_notifiers();
3298 qemu_system_reset(VMRESET_SILENT);
3300 if (load_vmstate(loadvm) < 0) {
3306 int ret = qemu_start_incoming_migration(incoming);
3308 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3312 } else if (autostart) {