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];
231 uint8_t *boot_splash_filedata;
232 int boot_splash_filedata_size;
233 uint8_t qemu_extra_params_fw[2];
235 typedef struct FWBootEntry FWBootEntry;
238 QTAILQ_ENTRY(FWBootEntry) link;
244 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
247 uint64_t node_mem[MAX_NODES];
248 uint64_t node_cpumask[MAX_NODES];
250 static QEMUTimer *nographic_timer;
252 uint8_t qemu_uuid[16];
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
263 static int tcg_allowed = 1;
267 enum xen_mode xen_mode = XEN_EMULATE;
269 static int default_serial = 1;
270 static int default_parallel = 1;
271 static int default_virtcon = 1;
272 static int default_monitor = 1;
273 static int default_vga = 1;
274 static int default_floppy = 1;
275 static int default_cdrom = 1;
276 static int default_sdcard = 1;
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "cirrus-vga", .flag = &default_vga },
294 { .driver = "vmware-svga", .flag = &default_vga },
295 { .driver = "isa-vga", .flag = &default_vga },
296 { .driver = "qxl-vga", .flag = &default_vga },
299 static void res_free(void)
301 if (boot_splash_filedata != NULL) {
302 qemu_free(boot_splash_filedata);
303 boot_splash_filedata = NULL;
307 static int default_driver_check(QemuOpts *opts, void *opaque)
309 const char *driver = qemu_opt_get(opts, "driver");
314 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
315 if (strcmp(default_list[i].driver, driver) != 0)
317 *(default_list[i].flag) = 0;
322 /***********************************************************/
323 /* real time host monotonic timer */
325 /***********************************************************/
326 /* host time/date access */
327 void qemu_get_timedate(struct tm *tm, int offset)
334 if (rtc_date_offset == -1) {
338 ret = localtime(&ti);
340 ti -= rtc_date_offset;
344 memcpy(tm, ret, sizeof(struct tm));
347 int qemu_timedate_diff(struct tm *tm)
351 if (rtc_date_offset == -1)
353 seconds = mktimegm(tm);
355 seconds = mktime(tm);
357 seconds = mktimegm(tm) + rtc_date_offset;
359 return seconds - time(NULL);
362 void rtc_change_mon_event(struct tm *tm)
366 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
367 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
368 qobject_decref(data);
371 static void configure_rtc_date_offset(const char *startdate, int legacy)
373 time_t rtc_start_date;
376 if (!strcmp(startdate, "now") && legacy) {
377 rtc_date_offset = -1;
379 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
387 } else if (sscanf(startdate, "%d-%d-%d",
399 rtc_start_date = mktimegm(&tm);
400 if (rtc_start_date == -1) {
402 fprintf(stderr, "Invalid date format. Valid formats are:\n"
403 "'2006-06-17T16:01:21' or '2006-06-17'\n");
406 rtc_date_offset = time(NULL) - rtc_start_date;
410 static void configure_rtc(QemuOpts *opts)
414 value = qemu_opt_get(opts, "base");
416 if (!strcmp(value, "utc")) {
418 } else if (!strcmp(value, "localtime")) {
421 configure_rtc_date_offset(value, 0);
424 value = qemu_opt_get(opts, "clock");
426 if (!strcmp(value, "host")) {
427 rtc_clock = host_clock;
428 } else if (!strcmp(value, "vm")) {
429 rtc_clock = vm_clock;
431 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
435 value = qemu_opt_get(opts, "driftfix");
437 if (!strcmp(value, "slew")) {
439 } else if (!strcmp(value, "none")) {
442 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
448 /***********************************************************/
449 /* Bluetooth support */
452 static struct HCIInfo *hci_table[MAX_NICS];
454 static struct bt_vlan_s {
455 struct bt_scatternet_s net;
457 struct bt_vlan_s *next;
460 /* find or alloc a new bluetooth "VLAN" */
461 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
463 struct bt_vlan_s **pvlan, *vlan;
464 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
468 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
470 pvlan = &first_bt_vlan;
471 while (*pvlan != NULL)
472 pvlan = &(*pvlan)->next;
477 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
481 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
486 static struct HCIInfo null_hci = {
487 .cmd_send = null_hci_send,
488 .sco_send = null_hci_send,
489 .acl_send = null_hci_send,
490 .bdaddr_set = null_hci_addr_set,
493 struct HCIInfo *qemu_next_hci(void)
495 if (cur_hci == nb_hcis)
498 return hci_table[cur_hci++];
501 static struct HCIInfo *hci_init(const char *str)
504 struct bt_scatternet_s *vlan = 0;
506 if (!strcmp(str, "null"))
509 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
511 return bt_host_hci(str[4] ? str + 5 : "hci0");
512 else if (!strncmp(str, "hci", 3)) {
515 if (!strncmp(str + 3, ",vlan=", 6)) {
516 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
521 vlan = qemu_find_bt_vlan(0);
523 return bt_new_hci(vlan);
526 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
531 static int bt_hci_parse(const char *str)
536 if (nb_hcis >= MAX_NICS) {
537 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
550 bdaddr.b[5] = 0x56 + nb_hcis;
551 hci->bdaddr_set(hci, bdaddr.b);
553 hci_table[nb_hcis++] = hci;
558 static void bt_vhci_add(int vlan_id)
560 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
563 fprintf(stderr, "qemu: warning: adding a VHCI to "
564 "an empty scatternet %i\n", vlan_id);
566 bt_vhci_init(bt_new_hci(vlan));
569 static struct bt_device_s *bt_device_add(const char *opt)
571 struct bt_scatternet_s *vlan;
573 char *endp = strstr(opt, ",vlan=");
574 int len = (endp ? endp - opt : strlen(opt)) + 1;
577 pstrcpy(devname, MIN(sizeof(devname), len), opt);
580 vlan_id = strtol(endp + 6, &endp, 0);
582 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
587 vlan = qemu_find_bt_vlan(vlan_id);
590 fprintf(stderr, "qemu: warning: adding a slave device to "
591 "an empty scatternet %i\n", vlan_id);
593 if (!strcmp(devname, "keyboard"))
594 return bt_keyboard_init(vlan);
596 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
600 static int bt_parse(const char *opt)
602 const char *endp, *p;
605 if (strstart(opt, "hci", &endp)) {
606 if (!*endp || *endp == ',') {
608 if (!strstart(endp, ",vlan=", 0))
611 return bt_hci_parse(opt);
613 } else if (strstart(opt, "vhci", &endp)) {
614 if (!*endp || *endp == ',') {
616 if (strstart(endp, ",vlan=", &p)) {
617 vlan = strtol(p, (char **) &endp, 0);
619 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
623 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
632 } else if (strstart(opt, "device:", &endp))
633 return !bt_device_add(endp);
635 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
639 /***********************************************************/
640 /* QEMU Block devices */
642 #define HD_OPTS "media=disk"
643 #define CDROM_OPTS "media=cdrom"
645 #define PFLASH_OPTS ""
649 static int drive_init_func(QemuOpts *opts, void *opaque)
651 int *use_scsi = opaque;
653 return drive_init(opts, *use_scsi) == NULL;
656 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
658 if (NULL == qemu_opt_get(opts, "snapshot")) {
659 qemu_opt_set(opts, "snapshot", "on");
664 static void default_drive(int enable, int snapshot, int use_scsi,
665 BlockInterfaceType type, int index,
670 if (type == IF_DEFAULT) {
671 type = use_scsi ? IF_SCSI : IF_IDE;
674 if (!enable || drive_get_by_index(type, index)) {
678 opts = drive_add(type, index, NULL, optstr);
680 drive_enable_snapshot(opts, NULL);
682 if (!drive_init(opts, use_scsi)) {
687 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
689 boot_set_handler = func;
690 boot_set_opaque = opaque;
693 int qemu_boot_set(const char *boot_devices)
695 if (!boot_set_handler) {
698 return boot_set_handler(boot_set_opaque, boot_devices);
701 static void validate_bootdevices(char *devices)
703 /* We just do some generic consistency checks */
707 for (p = devices; *p != '\0'; p++) {
708 /* Allowed boot devices are:
709 * a-b: floppy disk drives
710 * c-f: IDE disk drives
711 * g-m: machine implementation dependant drives
712 * n-p: network devices
713 * It's up to each machine implementation to check if the given boot
714 * devices match the actual hardware implementation and firmware
717 if (*p < 'a' || *p > 'p') {
718 fprintf(stderr, "Invalid boot device '%c'\n", *p);
721 if (bitmap & (1 << (*p - 'a'))) {
722 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
725 bitmap |= 1 << (*p - 'a');
729 static void restore_boot_devices(void *opaque)
731 char *standard_boot_devices = opaque;
732 static int first = 1;
734 /* Restore boot order and remove ourselves after the first boot */
740 qemu_boot_set(standard_boot_devices);
742 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
743 qemu_free(standard_boot_devices);
746 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
749 FWBootEntry *node, *i;
755 assert(dev != NULL || suffix != NULL);
757 node = qemu_mallocz(sizeof(FWBootEntry));
758 node->bootindex = bootindex;
759 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
762 QTAILQ_FOREACH(i, &fw_boot_order, link) {
763 if (i->bootindex == bootindex) {
764 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
766 } else if (i->bootindex < bootindex) {
769 QTAILQ_INSERT_BEFORE(i, node, link);
772 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
776 * This function returns null terminated string that consist of new line
777 * separated device paths.
779 * memory pointed by "size" is assigned total length of the array in bytes
782 char *get_boot_devices_list(uint32_t *size)
788 QTAILQ_FOREACH(i, &fw_boot_order, link) {
789 char *devpath = NULL, *bootpath;
793 devpath = qdev_get_fw_dev_path(i->dev);
797 if (i->suffix && devpath) {
798 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
800 bootpath = qemu_malloc(bootpathlen);
801 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
803 } else if (devpath) {
806 bootpath = qemu_strdup(i->suffix);
811 list[total-1] = '\n';
813 len = strlen(bootpath) + 1;
814 list = qemu_realloc(list, total + len);
815 memcpy(&list[total], bootpath, len);
825 static void numa_add(const char *optarg)
829 unsigned long long value, endvalue;
832 optarg = get_opt_name(option, 128, optarg, ',') + 1;
833 if (!strcmp(option, "node")) {
834 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
835 nodenr = nb_numa_nodes;
837 nodenr = strtoull(option, NULL, 10);
840 if (get_param_value(option, 128, "mem", optarg) == 0) {
841 node_mem[nodenr] = 0;
844 sval = strtosz(option, NULL);
846 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
849 node_mem[nodenr] = sval;
851 if (get_param_value(option, 128, "cpus", optarg) == 0) {
852 node_cpumask[nodenr] = 0;
854 value = strtoull(option, &endptr, 10);
857 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
859 if (*endptr == '-') {
860 endvalue = strtoull(endptr+1, &endptr, 10);
861 if (endvalue >= 63) {
864 "only 63 CPUs in NUMA mode supported.\n");
866 value = (2ULL << endvalue) - (1ULL << value);
868 value = 1ULL << value;
871 node_cpumask[nodenr] = value;
878 static void smp_parse(const char *optarg)
880 int smp, sockets = 0, threads = 0, cores = 0;
884 smp = strtoul(optarg, &endptr, 10);
885 if (endptr != optarg) {
886 if (*endptr == ',') {
890 if (get_param_value(option, 128, "sockets", endptr) != 0)
891 sockets = strtoull(option, NULL, 10);
892 if (get_param_value(option, 128, "cores", endptr) != 0)
893 cores = strtoull(option, NULL, 10);
894 if (get_param_value(option, 128, "threads", endptr) != 0)
895 threads = strtoull(option, NULL, 10);
896 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
897 max_cpus = strtoull(option, NULL, 10);
899 /* compute missing values, prefer sockets over cores over threads */
900 if (smp == 0 || sockets == 0) {
901 sockets = sockets > 0 ? sockets : 1;
902 cores = cores > 0 ? cores : 1;
903 threads = threads > 0 ? threads : 1;
905 smp = cores * threads * sockets;
909 threads = threads > 0 ? threads : 1;
910 cores = smp / (sockets * threads);
912 threads = smp / (cores * sockets);
916 smp_cores = cores > 0 ? cores : 1;
917 smp_threads = threads > 0 ? threads : 1;
922 /***********************************************************/
925 static int usb_device_add(const char *devname)
928 USBDevice *dev = NULL;
933 /* drivers with .usbdevice_name entry in USBDeviceInfo */
934 dev = usbdevice_create(devname);
940 /* only the linux version is qdev-ified, usb-bsd still needs this */
941 if (strstart(devname, "host:", &p)) {
942 dev = usb_host_device_open(p);
945 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
946 dev = usb_bt_init(devname[2] ? hci_init(p) :
947 bt_new_hci(qemu_find_bt_vlan(0)));
958 static int usb_device_del(const char *devname)
963 if (strstart(devname, "host:", &p))
964 return usb_host_device_close(p);
969 p = strchr(devname, '.');
972 bus_num = strtoul(devname, NULL, 0);
973 addr = strtoul(p + 1, NULL, 0);
975 return usb_device_delete_addr(bus_num, addr);
978 static int usb_parse(const char *cmdline)
981 r = usb_device_add(cmdline);
983 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
988 void do_usb_add(Monitor *mon, const QDict *qdict)
990 const char *devname = qdict_get_str(qdict, "devname");
991 if (usb_device_add(devname) < 0) {
992 error_report("could not add USB device '%s'", devname);
996 void do_usb_del(Monitor *mon, const QDict *qdict)
998 const char *devname = qdict_get_str(qdict, "devname");
999 if (usb_device_del(devname) < 0) {
1000 error_report("could not delete USB device '%s'", devname);
1004 /***********************************************************/
1005 /* PCMCIA/Cardbus */
1007 static struct pcmcia_socket_entry_s {
1008 PCMCIASocket *socket;
1009 struct pcmcia_socket_entry_s *next;
1010 } *pcmcia_sockets = 0;
1012 void pcmcia_socket_register(PCMCIASocket *socket)
1014 struct pcmcia_socket_entry_s *entry;
1016 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1017 entry->socket = socket;
1018 entry->next = pcmcia_sockets;
1019 pcmcia_sockets = entry;
1022 void pcmcia_socket_unregister(PCMCIASocket *socket)
1024 struct pcmcia_socket_entry_s *entry, **ptr;
1026 ptr = &pcmcia_sockets;
1027 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1028 if (entry->socket == socket) {
1034 void pcmcia_info(Monitor *mon)
1036 struct pcmcia_socket_entry_s *iter;
1038 if (!pcmcia_sockets)
1039 monitor_printf(mon, "No PCMCIA sockets\n");
1041 for (iter = pcmcia_sockets; iter; iter = iter->next)
1042 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1043 iter->socket->attached ? iter->socket->card_string :
1047 /***********************************************************/
1048 /* machine registration */
1050 static QEMUMachine *first_machine = NULL;
1051 QEMUMachine *current_machine = NULL;
1053 int qemu_register_machine(QEMUMachine *m)
1056 pm = &first_machine;
1064 static QEMUMachine *find_machine(const char *name)
1068 for(m = first_machine; m != NULL; m = m->next) {
1069 if (!strcmp(m->name, name))
1071 if (m->alias && !strcmp(m->alias, name))
1077 static QEMUMachine *find_default_machine(void)
1081 for(m = first_machine; m != NULL; m = m->next) {
1082 if (m->is_default) {
1089 /***********************************************************/
1090 /* main execution loop */
1092 static void gui_update(void *opaque)
1094 uint64_t interval = GUI_REFRESH_INTERVAL;
1095 DisplayState *ds = opaque;
1096 DisplayChangeListener *dcl = ds->listeners;
1098 qemu_flush_coalesced_mmio_buffer();
1101 while (dcl != NULL) {
1102 if (dcl->gui_timer_interval &&
1103 dcl->gui_timer_interval < interval)
1104 interval = dcl->gui_timer_interval;
1107 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1110 static void nographic_update(void *opaque)
1112 uint64_t interval = GUI_REFRESH_INTERVAL;
1114 qemu_flush_coalesced_mmio_buffer();
1115 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1118 struct vm_change_state_entry {
1119 VMChangeStateHandler *cb;
1121 QLIST_ENTRY (vm_change_state_entry) entries;
1124 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1126 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1129 VMChangeStateEntry *e;
1131 e = qemu_mallocz(sizeof (*e));
1135 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1139 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1141 QLIST_REMOVE (e, entries);
1145 void vm_state_notify(int running, int reason)
1147 VMChangeStateEntry *e;
1149 trace_vm_state_notify(running, reason);
1151 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1152 e->cb(e->opaque, running, reason);
1161 vm_state_notify(1, 0);
1163 monitor_protocol_event(QEVENT_RESUME, NULL);
1167 /* reset/shutdown handler */
1169 typedef struct QEMUResetEntry {
1170 QTAILQ_ENTRY(QEMUResetEntry) entry;
1171 QEMUResetHandler *func;
1175 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1176 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1177 static int reset_requested;
1178 static int shutdown_requested, shutdown_signal = -1;
1179 static pid_t shutdown_pid;
1180 static int powerdown_requested;
1181 static int debug_requested;
1182 static int vmstop_requested;
1184 int qemu_shutdown_requested_get(void)
1186 return shutdown_requested;
1189 int qemu_reset_requested_get(void)
1191 return reset_requested;
1194 int qemu_shutdown_requested(void)
1196 int r = shutdown_requested;
1197 shutdown_requested = 0;
1201 void qemu_kill_report(void)
1203 if (shutdown_signal != -1) {
1204 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1205 if (shutdown_pid == 0) {
1206 /* This happens for eg ^C at the terminal, so it's worth
1207 * avoiding printing an odd message in that case.
1209 fputc('\n', stderr);
1211 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1213 shutdown_signal = -1;
1217 int qemu_reset_requested(void)
1219 int r = reset_requested;
1220 reset_requested = 0;
1224 int qemu_powerdown_requested(void)
1226 int r = powerdown_requested;
1227 powerdown_requested = 0;
1231 static int qemu_debug_requested(void)
1233 int r = debug_requested;
1234 debug_requested = 0;
1238 static int qemu_vmstop_requested(void)
1240 int r = vmstop_requested;
1241 vmstop_requested = 0;
1245 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1247 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1250 re->opaque = opaque;
1251 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1254 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1258 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1259 if (re->func == func && re->opaque == opaque) {
1260 QTAILQ_REMOVE(&reset_handlers, re, entry);
1267 void qemu_system_reset(bool report)
1269 QEMUResetEntry *re, *nre;
1271 /* reset all devices */
1272 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1273 re->func(re->opaque);
1276 monitor_protocol_event(QEVENT_RESET, NULL);
1278 cpu_synchronize_all_post_reset();
1281 void qemu_system_reset_request(void)
1284 shutdown_requested = 1;
1286 reset_requested = 1;
1289 qemu_notify_event();
1292 void qemu_system_killed(int signal, pid_t pid)
1294 shutdown_signal = signal;
1296 qemu_system_shutdown_request();
1299 void qemu_system_shutdown_request(void)
1301 shutdown_requested = 1;
1302 qemu_notify_event();
1305 void qemu_system_powerdown_request(void)
1307 powerdown_requested = 1;
1308 qemu_notify_event();
1311 void qemu_system_debug_request(void)
1313 debug_requested = 1;
1314 qemu_notify_event();
1317 void qemu_system_vmstop_request(int reason)
1319 vmstop_requested = reason;
1320 qemu_notify_event();
1323 void main_loop_wait(int nonblocking)
1325 fd_set rfds, wfds, xfds;
1333 timeout = qemu_calculate_timeout();
1334 qemu_bh_update_timeout(&timeout);
1337 os_host_main_loop_wait(&timeout);
1339 tv.tv_sec = timeout / 1000;
1340 tv.tv_usec = (timeout % 1000) * 1000;
1342 /* poll any events */
1343 /* XXX: separate device handlers from system ones */
1348 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1349 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1351 qemu_mutex_unlock_iothread();
1352 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1353 qemu_mutex_lock_iothread();
1355 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1356 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1358 qemu_run_all_timers();
1360 /* Check bottom-halves last in case any of the earlier events triggered
1366 #ifndef CONFIG_IOTHREAD
1367 static int vm_request_pending(void)
1369 return powerdown_requested ||
1371 shutdown_requested ||
1377 qemu_irq qemu_system_powerdown;
1379 static void main_loop(void)
1381 bool nonblocking = false;
1382 #ifdef CONFIG_PROFILER
1387 qemu_main_loop_start();
1390 #ifndef CONFIG_IOTHREAD
1391 nonblocking = cpu_exec_all();
1392 if (vm_request_pending()) {
1396 #ifdef CONFIG_PROFILER
1397 ti = profile_getclock();
1399 main_loop_wait(nonblocking);
1400 #ifdef CONFIG_PROFILER
1401 dev_time += profile_getclock() - ti;
1404 if (qemu_debug_requested()) {
1405 vm_stop(VMSTOP_DEBUG);
1407 if (qemu_shutdown_requested()) {
1409 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1411 vm_stop(VMSTOP_SHUTDOWN);
1415 if (qemu_reset_requested()) {
1417 cpu_synchronize_all_states();
1418 qemu_system_reset(VMRESET_REPORT);
1421 if (qemu_powerdown_requested()) {
1422 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1423 qemu_irq_raise(qemu_system_powerdown);
1425 if ((r = qemu_vmstop_requested())) {
1433 static void version(void)
1435 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1438 static void help(int exitcode)
1440 const char *options_help =
1441 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1443 #define DEFHEADING(text) stringify(text) "\n"
1444 #include "qemu-options.def"
1450 printf("usage: %s [options] [disk_image]\n"
1452 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1455 "During emulation, the following keys are useful:\n"
1456 "ctrl-alt-f toggle full screen\n"
1457 "ctrl-alt-n switch to virtual console 'n'\n"
1458 "ctrl-alt toggle mouse and keyboard grab\n"
1460 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1466 #define HAS_ARG 0x0001
1468 typedef struct QEMUOption {
1475 static const QEMUOption qemu_options[] = {
1476 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1477 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1478 { option, opt_arg, opt_enum, arch_mask },
1479 #define DEFHEADING(text)
1480 #include "qemu-options.def"
1486 static void select_vgahw (const char *p)
1491 vga_interface_type = VGA_NONE;
1492 if (strstart(p, "std", &opts)) {
1493 vga_interface_type = VGA_STD;
1494 } else if (strstart(p, "cirrus", &opts)) {
1495 vga_interface_type = VGA_CIRRUS;
1496 } else if (strstart(p, "vmware", &opts)) {
1497 vga_interface_type = VGA_VMWARE;
1498 } else if (strstart(p, "xenfb", &opts)) {
1499 vga_interface_type = VGA_XENFB;
1500 } else if (strstart(p, "qxl", &opts)) {
1501 vga_interface_type = VGA_QXL;
1502 } else if (!strstart(p, "none", &opts)) {
1504 fprintf(stderr, "Unknown vga type: %s\n", p);
1508 const char *nextopt;
1510 if (strstart(opts, ",retrace=", &nextopt)) {
1512 if (strstart(opts, "dumb", &nextopt))
1513 vga_retrace_method = VGA_RETRACE_DUMB;
1514 else if (strstart(opts, "precise", &nextopt))
1515 vga_retrace_method = VGA_RETRACE_PRECISE;
1516 else goto invalid_vga;
1517 } else goto invalid_vga;
1522 static DisplayType select_display(const char *p)
1525 DisplayType display = DT_DEFAULT;
1527 if (strstart(p, "sdl", &opts)) {
1531 const char *nextopt;
1533 if (strstart(opts, ",frame=", &nextopt)) {
1535 if (strstart(opts, "on", &nextopt)) {
1537 } else if (strstart(opts, "off", &nextopt)) {
1540 goto invalid_sdl_args;
1542 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1544 if (strstart(opts, "on", &nextopt)) {
1546 } else if (strstart(opts, "off", &nextopt)) {
1549 goto invalid_sdl_args;
1551 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1553 if (strstart(opts, "on", &nextopt)) {
1555 } else if (strstart(opts, "off", &nextopt)) {
1558 goto invalid_sdl_args;
1560 } else if (strstart(opts, ",window_close=", &nextopt)) {
1562 if (strstart(opts, "on", &nextopt)) {
1564 } else if (strstart(opts, "off", &nextopt)) {
1567 goto invalid_sdl_args;
1571 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1577 fprintf(stderr, "SDL support is disabled\n");
1580 } else if (strstart(p, "vnc", &opts)) {
1585 const char *nextopt;
1587 if (strstart(opts, "=", &nextopt)) {
1588 vnc_display = nextopt;
1592 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1596 fprintf(stderr, "VNC support is disabled\n");
1599 } else if (strstart(p, "curses", &opts)) {
1600 #ifdef CONFIG_CURSES
1601 display = DT_CURSES;
1603 fprintf(stderr, "Curses support is disabled\n");
1606 } else if (strstart(p, "none", &opts)) {
1609 fprintf(stderr, "Unknown display type: %s\n", p);
1616 static int balloon_parse(const char *arg)
1620 if (strcmp(arg, "none") == 0) {
1624 if (!strncmp(arg, "virtio", 6)) {
1625 if (arg[6] == ',') {
1626 /* have params -> parse them */
1627 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1631 /* create empty opts */
1632 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1634 qemu_opt_set(opts, "driver", "virtio-balloon");
1641 char *qemu_find_file(int type, const char *name)
1647 /* If name contains path separators then try it as a straight path. */
1648 if ((strchr(name, '/') || strchr(name, '\\'))
1649 && access(name, R_OK) == 0) {
1650 return qemu_strdup(name);
1653 case QEMU_FILE_TYPE_BIOS:
1656 case QEMU_FILE_TYPE_KEYMAP:
1657 subdir = "keymaps/";
1662 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1663 buf = qemu_mallocz(len);
1664 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1665 if (access(buf, R_OK)) {
1672 static int device_help_func(QemuOpts *opts, void *opaque)
1674 return qdev_device_help(opts);
1677 static int device_init_func(QemuOpts *opts, void *opaque)
1681 dev = qdev_device_add(opts);
1687 static int chardev_init_func(QemuOpts *opts, void *opaque)
1689 CharDriverState *chr;
1691 chr = qemu_chr_open_opts(opts, NULL);
1697 #ifdef CONFIG_VIRTFS
1698 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1701 ret = qemu_fsdev_add(opts);
1707 static int mon_init_func(QemuOpts *opts, void *opaque)
1709 CharDriverState *chr;
1710 const char *chardev;
1714 mode = qemu_opt_get(opts, "mode");
1718 if (strcmp(mode, "readline") == 0) {
1719 flags = MONITOR_USE_READLINE;
1720 } else if (strcmp(mode, "control") == 0) {
1721 flags = MONITOR_USE_CONTROL;
1723 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1727 if (qemu_opt_get_bool(opts, "pretty", 0))
1728 flags |= MONITOR_USE_PRETTY;
1730 if (qemu_opt_get_bool(opts, "default", 0))
1731 flags |= MONITOR_IS_DEFAULT;
1733 chardev = qemu_opt_get(opts, "chardev");
1734 chr = qemu_chr_find(chardev);
1736 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1740 monitor_init(chr, flags);
1744 static void monitor_parse(const char *optarg, const char *mode)
1746 static int monitor_device_index = 0;
1752 if (strstart(optarg, "chardev:", &p)) {
1753 snprintf(label, sizeof(label), "%s", p);
1755 snprintf(label, sizeof(label), "compat_monitor%d",
1756 monitor_device_index);
1757 if (monitor_device_index == 0) {
1760 opts = qemu_chr_parse_compat(label, optarg);
1762 fprintf(stderr, "parse error: %s\n", optarg);
1767 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1769 fprintf(stderr, "duplicate chardev: %s\n", label);
1772 qemu_opt_set(opts, "mode", mode);
1773 qemu_opt_set(opts, "chardev", label);
1775 qemu_opt_set(opts, "default", "on");
1776 monitor_device_index++;
1779 struct device_config {
1781 DEV_USB, /* -usbdevice */
1783 DEV_SERIAL, /* -serial */
1784 DEV_PARALLEL, /* -parallel */
1785 DEV_VIRTCON, /* -virtioconsole */
1786 DEV_DEBUGCON, /* -debugcon */
1788 const char *cmdline;
1789 QTAILQ_ENTRY(device_config) next;
1791 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1793 static void add_device_config(int type, const char *cmdline)
1795 struct device_config *conf;
1797 conf = qemu_mallocz(sizeof(*conf));
1799 conf->cmdline = cmdline;
1800 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1803 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1805 struct device_config *conf;
1808 QTAILQ_FOREACH(conf, &device_configs, next) {
1809 if (conf->type != type)
1811 rc = func(conf->cmdline);
1818 static int serial_parse(const char *devname)
1820 static int index = 0;
1823 if (strcmp(devname, "none") == 0)
1825 if (index == MAX_SERIAL_PORTS) {
1826 fprintf(stderr, "qemu: too many serial ports\n");
1829 snprintf(label, sizeof(label), "serial%d", index);
1830 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1831 if (!serial_hds[index]) {
1832 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1833 devname, strerror(errno));
1840 static int parallel_parse(const char *devname)
1842 static int index = 0;
1845 if (strcmp(devname, "none") == 0)
1847 if (index == MAX_PARALLEL_PORTS) {
1848 fprintf(stderr, "qemu: too many parallel ports\n");
1851 snprintf(label, sizeof(label), "parallel%d", index);
1852 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1853 if (!parallel_hds[index]) {
1854 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1855 devname, strerror(errno));
1862 static int virtcon_parse(const char *devname)
1864 QemuOptsList *device = qemu_find_opts("device");
1865 static int index = 0;
1867 QemuOpts *bus_opts, *dev_opts;
1869 if (strcmp(devname, "none") == 0)
1871 if (index == MAX_VIRTIO_CONSOLES) {
1872 fprintf(stderr, "qemu: too many virtio consoles\n");
1876 bus_opts = qemu_opts_create(device, NULL, 0);
1877 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1879 dev_opts = qemu_opts_create(device, NULL, 0);
1880 qemu_opt_set(dev_opts, "driver", "virtconsole");
1882 snprintf(label, sizeof(label), "virtcon%d", index);
1883 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1884 if (!virtcon_hds[index]) {
1885 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1886 devname, strerror(errno));
1889 qemu_opt_set(dev_opts, "chardev", label);
1895 static int debugcon_parse(const char *devname)
1899 if (!qemu_chr_open("debugcon", devname, NULL)) {
1902 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1904 fprintf(stderr, "qemu: already have a debugcon device\n");
1907 qemu_opt_set(opts, "driver", "isa-debugcon");
1908 qemu_opt_set(opts, "chardev", "debugcon");
1912 static QEMUMachine *machine_parse(const char *name)
1914 QEMUMachine *m, *machine = NULL;
1917 machine = find_machine(name);
1922 printf("Supported machines are:\n");
1923 for (m = first_machine; m != NULL; m = m->next) {
1925 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1927 printf("%-10s %s%s\n", m->name, m->desc,
1928 m->is_default ? " (default)" : "");
1930 exit(!name || *name != '?');
1933 static int tcg_init(void)
1939 const char *opt_name;
1941 int (*available)(void);
1945 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1946 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1947 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1950 static int configure_accelerator(void)
1952 const char *p = NULL;
1955 bool accel_initalised = 0;
1956 bool init_failed = 0;
1958 QemuOptsList *list = qemu_find_opts("machine");
1959 if (!QTAILQ_EMPTY(&list->head)) {
1960 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1964 /* Use the default "accelerator", tcg */
1968 while (!accel_initalised && *p != '\0') {
1972 p = get_opt_name(buf, sizeof (buf), p, ':');
1973 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1974 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1975 *(accel_list[i].allowed) = 1;
1976 ret = accel_list[i].init();
1979 if (!accel_list[i].available()) {
1980 printf("%s not supported for this target\n",
1981 accel_list[i].name);
1983 fprintf(stderr, "failed to initialize %s: %s\n",
1987 *(accel_list[i].allowed) = 0;
1989 accel_initalised = 1;
1994 if (i == ARRAY_SIZE(accel_list)) {
1995 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1999 if (!accel_initalised) {
2000 fprintf(stderr, "No accelerator found!\n");
2005 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2008 return !accel_initalised;
2011 void qemu_add_exit_notifier(Notifier *notify)
2013 notifier_list_add(&exit_notifiers, notify);
2016 void qemu_remove_exit_notifier(Notifier *notify)
2018 notifier_list_remove(&exit_notifiers, notify);
2021 static void qemu_run_exit_notifiers(void)
2023 notifier_list_notify(&exit_notifiers, NULL);
2026 void qemu_add_machine_init_done_notifier(Notifier *notify)
2028 notifier_list_add(&machine_init_done_notifiers, notify);
2031 static void qemu_run_machine_init_done_notifiers(void)
2033 notifier_list_notify(&machine_init_done_notifiers, NULL);
2036 static const QEMUOption *lookup_opt(int argc, char **argv,
2037 const char **poptarg, int *poptind)
2039 const QEMUOption *popt;
2040 int optind = *poptind;
2041 char *r = argv[optind];
2044 loc_set_cmdline(argv, optind, 1);
2046 /* Treat --foo the same as -foo. */
2049 popt = qemu_options;
2052 error_report("invalid option");
2055 if (!strcmp(popt->name, r + 1))
2059 if (popt->flags & HAS_ARG) {
2060 if (optind >= argc) {
2061 error_report("requires an argument");
2064 optarg = argv[optind++];
2065 loc_set_cmdline(argv, optind - 2, 2);
2076 int main(int argc, char **argv, char **envp)
2078 const char *gdbstub_dev = NULL;
2080 int snapshot, linux_boot;
2081 const char *icount_option = NULL;
2082 const char *initrd_filename;
2083 const char *kernel_filename, *kernel_cmdline;
2084 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2086 DisplayChangeListener *dcl;
2087 int cyls, heads, secs, translation;
2088 QemuOpts *hda_opts = NULL, *opts;
2089 QemuOptsList *olist;
2092 const char *loadvm = NULL;
2093 QEMUMachine *machine;
2094 const char *cpu_model;
2096 const char *pid_file = NULL;
2097 const char *incoming = NULL;
2099 int show_vnc_port = 0;
2102 const char *trace_file = NULL;
2103 const char *log_mask = NULL;
2104 const char *log_file = NULL;
2106 atexit(qemu_run_exit_notifiers);
2107 error_set_progname(argv[0]);
2111 qemu_cache_utils_init(envp);
2113 QLIST_INIT (&vm_change_state_head);
2114 os_setup_early_signal_handling();
2116 module_call_init(MODULE_INIT_MACHINE);
2117 machine = find_default_machine();
2119 initrd_filename = NULL;
2122 kernel_filename = NULL;
2123 kernel_cmdline = "";
2124 cyls = heads = secs = 0;
2125 translation = BIOS_ATA_TRANSLATION_AUTO;
2127 for (i = 0; i < MAX_NODES; i++) {
2129 node_cpumask[i] = 0;
2138 /* first pass of option parsing */
2140 while (optind < argc) {
2141 if (argv[optind][0] != '-') {
2146 const QEMUOption *popt;
2148 popt = lookup_opt(argc, argv, &optarg, &optind);
2149 switch (popt->index) {
2150 case QEMU_OPTION_nodefconfig:
2160 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2161 if (ret < 0 && ret != -ENOENT) {
2165 ret = qemu_read_config_file(arch_config_name);
2166 if (ret < 0 && ret != -ENOENT) {
2172 /* second pass of option parsing */
2177 if (argv[optind][0] != '-') {
2178 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2180 const QEMUOption *popt;
2182 popt = lookup_opt(argc, argv, &optarg, &optind);
2183 if (!(popt->arch_mask & arch_type)) {
2184 printf("Option %s not supported for this target\n", popt->name);
2187 switch(popt->index) {
2189 machine = machine_parse(optarg);
2191 case QEMU_OPTION_cpu:
2192 /* hw initialization will check this */
2193 if (*optarg == '?') {
2194 list_cpus(stdout, &fprintf, optarg);
2200 case QEMU_OPTION_initrd:
2201 initrd_filename = optarg;
2203 case QEMU_OPTION_hda:
2207 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2209 snprintf(buf, sizeof(buf),
2210 "%s,cyls=%d,heads=%d,secs=%d%s",
2211 HD_OPTS , cyls, heads, secs,
2212 translation == BIOS_ATA_TRANSLATION_LBA ?
2214 translation == BIOS_ATA_TRANSLATION_NONE ?
2215 ",trans=none" : "");
2216 drive_add(IF_DEFAULT, 0, optarg, buf);
2219 case QEMU_OPTION_hdb:
2220 case QEMU_OPTION_hdc:
2221 case QEMU_OPTION_hdd:
2222 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2225 case QEMU_OPTION_drive:
2226 if (drive_def(optarg) == NULL) {
2230 case QEMU_OPTION_set:
2231 if (qemu_set_option(optarg) != 0)
2234 case QEMU_OPTION_global:
2235 if (qemu_global_option(optarg) != 0)
2238 case QEMU_OPTION_mtdblock:
2239 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2241 case QEMU_OPTION_sd:
2242 drive_add(IF_SD, 0, optarg, SD_OPTS);
2244 case QEMU_OPTION_pflash:
2245 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2247 case QEMU_OPTION_snapshot:
2250 case QEMU_OPTION_hdachs:
2254 cyls = strtol(p, (char **)&p, 0);
2255 if (cyls < 1 || cyls > 16383)
2260 heads = strtol(p, (char **)&p, 0);
2261 if (heads < 1 || heads > 16)
2266 secs = strtol(p, (char **)&p, 0);
2267 if (secs < 1 || secs > 63)
2271 if (!strcmp(p, "none"))
2272 translation = BIOS_ATA_TRANSLATION_NONE;
2273 else if (!strcmp(p, "lba"))
2274 translation = BIOS_ATA_TRANSLATION_LBA;
2275 else if (!strcmp(p, "auto"))
2276 translation = BIOS_ATA_TRANSLATION_AUTO;
2279 } else if (*p != '\0') {
2281 fprintf(stderr, "qemu: invalid physical CHS format\n");
2284 if (hda_opts != NULL) {
2286 snprintf(num, sizeof(num), "%d", cyls);
2287 qemu_opt_set(hda_opts, "cyls", num);
2288 snprintf(num, sizeof(num), "%d", heads);
2289 qemu_opt_set(hda_opts, "heads", num);
2290 snprintf(num, sizeof(num), "%d", secs);
2291 qemu_opt_set(hda_opts, "secs", num);
2292 if (translation == BIOS_ATA_TRANSLATION_LBA)
2293 qemu_opt_set(hda_opts, "trans", "lba");
2294 if (translation == BIOS_ATA_TRANSLATION_NONE)
2295 qemu_opt_set(hda_opts, "trans", "none");
2299 case QEMU_OPTION_numa:
2300 if (nb_numa_nodes >= MAX_NODES) {
2301 fprintf(stderr, "qemu: too many NUMA nodes\n");
2306 case QEMU_OPTION_display:
2307 display_type = select_display(optarg);
2309 case QEMU_OPTION_nographic:
2310 display_type = DT_NOGRAPHIC;
2312 case QEMU_OPTION_curses:
2313 #ifdef CONFIG_CURSES
2314 display_type = DT_CURSES;
2316 fprintf(stderr, "Curses support is disabled\n");
2320 case QEMU_OPTION_portrait:
2321 graphic_rotate = 90;
2323 case QEMU_OPTION_rotate:
2324 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2325 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2326 graphic_rotate != 180 && graphic_rotate != 270) {
2328 "qemu: only 90, 180, 270 deg rotation is available\n");
2332 case QEMU_OPTION_kernel:
2333 kernel_filename = optarg;
2335 case QEMU_OPTION_append:
2336 kernel_cmdline = optarg;
2338 case QEMU_OPTION_cdrom:
2339 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2341 case QEMU_OPTION_boot:
2343 static const char * const params[] = {
2344 "order", "once", "menu",
2345 "splash", "splash-time", NULL
2347 char buf[sizeof(boot_devices)];
2348 char *standard_boot_devices;
2351 if (!strchr(optarg, '=')) {
2353 pstrcpy(buf, sizeof(buf), optarg);
2354 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2356 "qemu: unknown boot parameter '%s' in '%s'\n",
2362 get_param_value(buf, sizeof(buf), "order", optarg)) {
2363 validate_bootdevices(buf);
2364 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2367 if (get_param_value(buf, sizeof(buf),
2369 validate_bootdevices(buf);
2370 standard_boot_devices = qemu_strdup(boot_devices);
2371 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2372 qemu_register_reset(restore_boot_devices,
2373 standard_boot_devices);
2375 if (get_param_value(buf, sizeof(buf),
2377 if (!strcmp(buf, "on")) {
2379 } else if (!strcmp(buf, "off")) {
2383 "qemu: invalid option value '%s'\n",
2388 qemu_opts_parse(qemu_find_opts("boot-opts"),
2393 case QEMU_OPTION_fda:
2394 case QEMU_OPTION_fdb:
2395 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2398 case QEMU_OPTION_no_fd_bootchk:
2401 case QEMU_OPTION_netdev:
2402 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2406 case QEMU_OPTION_net:
2407 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2412 case QEMU_OPTION_tftp:
2413 legacy_tftp_prefix = optarg;
2415 case QEMU_OPTION_bootp:
2416 legacy_bootp_filename = optarg;
2418 case QEMU_OPTION_redir:
2419 if (net_slirp_redir(optarg) < 0)
2423 case QEMU_OPTION_bt:
2424 add_device_config(DEV_BT, optarg);
2426 case QEMU_OPTION_audio_help:
2427 if (!(audio_available())) {
2428 printf("Option %s not supported for this target\n", popt->name);
2434 case QEMU_OPTION_soundhw:
2435 if (!(audio_available())) {
2436 printf("Option %s not supported for this target\n", popt->name);
2439 select_soundhw (optarg);
2444 case QEMU_OPTION_version:
2448 case QEMU_OPTION_m: {
2451 value = strtosz(optarg, NULL);
2453 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2457 /* On 32-bit hosts, QEMU is limited by virtual address space */
2458 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2459 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2462 if (value != (uint64_t)(ram_addr_t)value) {
2463 fprintf(stderr, "qemu: ram size too large\n");
2469 case QEMU_OPTION_mempath:
2473 case QEMU_OPTION_mem_prealloc:
2484 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2486 case QEMU_OPTION_gdb:
2487 gdbstub_dev = optarg;
2492 case QEMU_OPTION_bios:
2495 case QEMU_OPTION_singlestep:
2502 keyboard_layout = optarg;
2504 case QEMU_OPTION_localtime:
2507 case QEMU_OPTION_vga:
2508 select_vgahw (optarg);
2515 w = strtol(p, (char **)&p, 10);
2518 fprintf(stderr, "qemu: invalid resolution or depth\n");
2524 h = strtol(p, (char **)&p, 10);
2529 depth = strtol(p, (char **)&p, 10);
2530 if (depth != 8 && depth != 15 && depth != 16 &&
2531 depth != 24 && depth != 32)
2533 } else if (*p == '\0') {
2534 depth = graphic_depth;
2541 graphic_depth = depth;
2544 case QEMU_OPTION_echr:
2547 term_escape_char = strtol(optarg, &r, 0);
2549 printf("Bad argument to echr\n");
2552 case QEMU_OPTION_monitor:
2553 monitor_parse(optarg, "readline");
2554 default_monitor = 0;
2556 case QEMU_OPTION_qmp:
2557 monitor_parse(optarg, "control");
2558 default_monitor = 0;
2560 case QEMU_OPTION_mon:
2561 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2565 default_monitor = 0;
2567 case QEMU_OPTION_chardev:
2568 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2573 case QEMU_OPTION_fsdev:
2574 olist = qemu_find_opts("fsdev");
2576 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2579 opts = qemu_opts_parse(olist, optarg, 1);
2581 fprintf(stderr, "parse error: %s\n", optarg);
2585 case QEMU_OPTION_virtfs: {
2589 olist = qemu_find_opts("virtfs");
2591 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2594 opts = qemu_opts_parse(olist, optarg, 1);
2596 fprintf(stderr, "parse error: %s\n", optarg);
2600 if (qemu_opt_get(opts, "fstype") == NULL ||
2601 qemu_opt_get(opts, "mount_tag") == NULL ||
2602 qemu_opt_get(opts, "path") == NULL ||
2603 qemu_opt_get(opts, "security_model") == NULL) {
2604 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2605 "security_model=[mapped|passthrough|none],"
2606 "mount_tag=tag.\n");
2610 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2611 qemu_opt_get(opts, "mount_tag"), 1);
2613 fprintf(stderr, "duplicate fsdev id: %s\n",
2614 qemu_opt_get(opts, "mount_tag"));
2617 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2618 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2619 qemu_opt_set(fsdev, "security_model",
2620 qemu_opt_get(opts, "security_model"));
2622 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2623 qemu_opt_set(device, "driver", "virtio-9p-pci");
2624 qemu_opt_set(device, "fsdev",
2625 qemu_opt_get(opts, "mount_tag"));
2626 qemu_opt_set(device, "mount_tag",
2627 qemu_opt_get(opts, "mount_tag"));
2630 case QEMU_OPTION_serial:
2631 add_device_config(DEV_SERIAL, optarg);
2633 if (strncmp(optarg, "mon:", 4) == 0) {
2634 default_monitor = 0;
2637 case QEMU_OPTION_watchdog:
2640 "qemu: only one watchdog option may be given\n");
2645 case QEMU_OPTION_watchdog_action:
2646 if (select_watchdog_action(optarg) == -1) {
2647 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2651 case QEMU_OPTION_virtiocon:
2652 add_device_config(DEV_VIRTCON, optarg);
2653 default_virtcon = 0;
2654 if (strncmp(optarg, "mon:", 4) == 0) {
2655 default_monitor = 0;
2658 case QEMU_OPTION_parallel:
2659 add_device_config(DEV_PARALLEL, optarg);
2660 default_parallel = 0;
2661 if (strncmp(optarg, "mon:", 4) == 0) {
2662 default_monitor = 0;
2665 case QEMU_OPTION_debugcon:
2666 add_device_config(DEV_DEBUGCON, optarg);
2668 case QEMU_OPTION_loadvm:
2671 case QEMU_OPTION_full_screen:
2675 case QEMU_OPTION_no_frame:
2678 case QEMU_OPTION_alt_grab:
2681 case QEMU_OPTION_ctrl_grab:
2684 case QEMU_OPTION_no_quit:
2687 case QEMU_OPTION_sdl:
2688 display_type = DT_SDL;
2691 case QEMU_OPTION_no_frame:
2692 case QEMU_OPTION_alt_grab:
2693 case QEMU_OPTION_ctrl_grab:
2694 case QEMU_OPTION_no_quit:
2695 case QEMU_OPTION_sdl:
2696 fprintf(stderr, "SDL support is disabled\n");
2699 case QEMU_OPTION_pidfile:
2702 case QEMU_OPTION_win2k_hack:
2703 win2k_install_hack = 1;
2705 case QEMU_OPTION_rtc_td_hack:
2708 case QEMU_OPTION_acpitable:
2709 do_acpitable_option(optarg);
2711 case QEMU_OPTION_smbios:
2712 do_smbios_option(optarg);
2714 case QEMU_OPTION_enable_kvm:
2715 olist = qemu_find_opts("machine");
2716 qemu_opts_reset(olist);
2717 qemu_opts_parse(olist, "accel=kvm", 0);
2719 case QEMU_OPTION_machine:
2720 olist = qemu_find_opts("machine");
2721 qemu_opts_reset(olist);
2722 opts = qemu_opts_parse(olist, optarg, 1);
2724 fprintf(stderr, "parse error: %s\n", optarg);
2727 machine = machine_parse(qemu_opt_get(opts, "type"));
2729 case QEMU_OPTION_usb:
2732 case QEMU_OPTION_usbdevice:
2734 add_device_config(DEV_USB, optarg);
2736 case QEMU_OPTION_device:
2737 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2741 case QEMU_OPTION_smp:
2744 fprintf(stderr, "Invalid number of CPUs\n");
2747 if (max_cpus < smp_cpus) {
2748 fprintf(stderr, "maxcpus must be equal to or greater than "
2752 if (max_cpus > 255) {
2753 fprintf(stderr, "Unsupported number of maxcpus\n");
2757 case QEMU_OPTION_vnc:
2760 vnc_display = optarg;
2762 fprintf(stderr, "VNC support is disabled\n");
2766 case QEMU_OPTION_no_acpi:
2769 case QEMU_OPTION_no_hpet:
2772 case QEMU_OPTION_balloon:
2773 if (balloon_parse(optarg) < 0) {
2774 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2778 case QEMU_OPTION_no_reboot:
2781 case QEMU_OPTION_no_shutdown:
2784 case QEMU_OPTION_show_cursor:
2787 case QEMU_OPTION_uuid:
2788 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2789 fprintf(stderr, "Fail to parse UUID string."
2790 " Wrong format.\n");
2794 case QEMU_OPTION_option_rom:
2795 if (nb_option_roms >= MAX_OPTION_ROMS) {
2796 fprintf(stderr, "Too many option ROMs\n");
2799 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2800 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2801 option_rom[nb_option_roms].bootindex =
2802 qemu_opt_get_number(opts, "bootindex", -1);
2803 if (!option_rom[nb_option_roms].name) {
2804 fprintf(stderr, "Option ROM file is not specified\n");
2809 case QEMU_OPTION_semihosting:
2810 semihosting_enabled = 1;
2812 case QEMU_OPTION_name:
2813 qemu_name = qemu_strdup(optarg);
2815 char *p = strchr(qemu_name, ',');
2818 if (strncmp(p, "process=", 8)) {
2819 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2823 os_set_proc_name(p);
2827 case QEMU_OPTION_prom_env:
2828 if (nb_prom_envs >= MAX_PROM_ENVS) {
2829 fprintf(stderr, "Too many prom variables\n");
2832 prom_envs[nb_prom_envs] = optarg;
2835 case QEMU_OPTION_old_param:
2838 case QEMU_OPTION_clock:
2839 configure_alarms(optarg);
2841 case QEMU_OPTION_startdate:
2842 configure_rtc_date_offset(optarg, 1);
2844 case QEMU_OPTION_rtc:
2845 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2849 configure_rtc(opts);
2851 case QEMU_OPTION_tb_size:
2852 tb_size = strtol(optarg, NULL, 0);
2856 case QEMU_OPTION_icount:
2857 icount_option = optarg;
2859 case QEMU_OPTION_incoming:
2861 incoming_expected = true;
2863 case QEMU_OPTION_nodefaults:
2865 default_parallel = 0;
2866 default_virtcon = 0;
2867 default_monitor = 0;
2874 case QEMU_OPTION_xen_domid:
2875 if (!(xen_available())) {
2876 printf("Option %s not supported for this target\n", popt->name);
2879 xen_domid = atoi(optarg);
2881 case QEMU_OPTION_xen_create:
2882 if (!(xen_available())) {
2883 printf("Option %s not supported for this target\n", popt->name);
2886 xen_mode = XEN_CREATE;
2888 case QEMU_OPTION_xen_attach:
2889 if (!(xen_available())) {
2890 printf("Option %s not supported for this target\n", popt->name);
2893 xen_mode = XEN_ATTACH;
2895 #ifdef CONFIG_SIMPLE_TRACE
2896 case QEMU_OPTION_trace:
2897 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2899 trace_file = qemu_opt_get(opts, "file");
2903 case QEMU_OPTION_readconfig:
2905 int ret = qemu_read_config_file(optarg);
2907 fprintf(stderr, "read config %s: %s\n", optarg,
2913 case QEMU_OPTION_spice:
2914 olist = qemu_find_opts("spice");
2916 fprintf(stderr, "spice is not supported by this qemu build.\n");
2919 opts = qemu_opts_parse(olist, optarg, 0);
2921 fprintf(stderr, "parse error: %s\n", optarg);
2925 case QEMU_OPTION_writeconfig:
2928 if (strcmp(optarg, "-") == 0) {
2931 fp = fopen(optarg, "w");
2933 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2937 qemu_config_write(fp);
2942 os_parse_cmd_args(popt->index, optarg);
2948 /* Open the logfile at this point, if necessary. We can't open the logfile
2949 * when encountering either of the logging options (-d or -D) because the
2950 * other one may be encountered later on the command line, changing the
2951 * location or level of logging.
2955 set_cpu_log_filename(log_file);
2957 set_cpu_log(log_mask);
2960 if (!st_init(trace_file)) {
2961 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2964 /* If no data_dir is specified then try to find it relative to the
2967 data_dir = os_find_datadir(argv[0]);
2969 /* If all else fails use the install patch specified when building. */
2971 data_dir = CONFIG_QEMU_DATADIR;
2975 * Default to max_cpus = smp_cpus, in case the user doesn't
2976 * specify a max_cpus value.
2979 max_cpus = smp_cpus;
2981 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2982 if (smp_cpus > machine->max_cpus) {
2983 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2984 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2990 * Get the default machine options from the machine if it is not already
2991 * specified either by the configuration file or by the command line.
2993 if (machine->default_machine_opts) {
2994 QemuOptsList *list = qemu_find_opts("machine");
2995 const char *p = NULL;
2997 if (!QTAILQ_EMPTY(&list->head)) {
2998 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3001 qemu_opts_reset(list);
3002 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3004 fprintf(stderr, "parse error for machine %s: %s\n",
3005 machine->name, machine->default_machine_opts);
3011 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3012 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3014 if (machine->no_serial) {
3017 if (machine->no_parallel) {
3018 default_parallel = 0;
3020 if (!machine->use_virtcon) {
3021 default_virtcon = 0;
3023 if (machine->no_vga) {
3026 if (machine->no_floppy) {
3029 if (machine->no_cdrom) {
3032 if (machine->no_sdcard) {
3036 if (display_type == DT_NOGRAPHIC) {
3037 if (default_parallel)
3038 add_device_config(DEV_PARALLEL, "null");
3039 if (default_serial && default_monitor) {
3040 add_device_config(DEV_SERIAL, "mon:stdio");
3041 } else if (default_virtcon && default_monitor) {
3042 add_device_config(DEV_VIRTCON, "mon:stdio");
3045 add_device_config(DEV_SERIAL, "stdio");
3046 if (default_virtcon)
3047 add_device_config(DEV_VIRTCON, "stdio");
3048 if (default_monitor)
3049 monitor_parse("stdio", "readline");
3053 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3054 if (default_parallel)
3055 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3056 if (default_monitor)
3057 monitor_parse("vc:80Cx24C", "readline");
3058 if (default_virtcon)
3059 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3062 vga_interface_type = VGA_CIRRUS;
3066 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3068 #ifdef CONFIG_VIRTFS
3069 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3076 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3081 configure_accelerator();
3083 if (qemu_init_main_loop()) {
3084 fprintf(stderr, "qemu_init_main_loop failed\n");
3087 linux_boot = (kernel_filename != NULL);
3089 if (!linux_boot && *kernel_cmdline != '\0') {
3090 fprintf(stderr, "-append only allowed with -kernel option\n");
3094 if (!linux_boot && initrd_filename != NULL) {
3095 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3099 os_set_line_buffering();
3101 if (init_timer_alarm() < 0) {
3102 fprintf(stderr, "could not initialize alarm timer\n");
3105 configure_icount(icount_option);
3107 if (net_init_clients() < 0) {
3111 /* init the bluetooth world */
3112 if (foreach_device_config(DEV_BT, bt_parse))
3115 /* init the memory */
3117 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3119 /* init the dynamic translator */
3120 cpu_exec_init_all(tb_size * 1024 * 1024);
3122 bdrv_init_with_whitelist();
3126 /* open the virtual block devices */
3128 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3129 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3132 default_drive(default_cdrom, snapshot, machine->use_scsi,
3133 IF_DEFAULT, 2, CDROM_OPTS);
3134 default_drive(default_floppy, snapshot, machine->use_scsi,
3135 IF_FLOPPY, 0, FD_OPTS);
3136 default_drive(default_sdcard, snapshot, machine->use_scsi,
3139 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3142 if (nb_numa_nodes > 0) {
3145 if (nb_numa_nodes > MAX_NODES) {
3146 nb_numa_nodes = MAX_NODES;
3149 /* If no memory size if given for any node, assume the default case
3150 * and distribute the available memory equally across all nodes
3152 for (i = 0; i < nb_numa_nodes; i++) {
3153 if (node_mem[i] != 0)
3156 if (i == nb_numa_nodes) {
3157 uint64_t usedmem = 0;
3159 /* On Linux, the each node's border has to be 8MB aligned,
3160 * the final node gets the rest.
3162 for (i = 0; i < nb_numa_nodes - 1; i++) {
3163 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3164 usedmem += node_mem[i];
3166 node_mem[i] = ram_size - usedmem;
3169 for (i = 0; i < nb_numa_nodes; i++) {
3170 if (node_cpumask[i] != 0)
3173 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3174 * must cope with this anyway, because there are BIOSes out there in
3175 * real machines which also use this scheme.
3177 if (i == nb_numa_nodes) {
3178 for (i = 0; i < smp_cpus; i++) {
3179 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3184 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3188 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3190 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3192 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3194 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3197 module_call_init(MODULE_INIT_DEVICE);
3199 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3203 i = select_watchdog(watchdog);
3205 exit (i == 1 ? 1 : 0);
3208 if (machine->compat_props) {
3209 qdev_prop_register_global_list(machine->compat_props);
3213 machine->init(ram_size, boot_devices,
3214 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3216 cpu_synchronize_all_post_init();
3220 current_machine = machine;
3222 /* init USB devices */
3224 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3228 /* init generic devices */
3229 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3232 net_check_clients();
3234 /* just use the first displaystate for the moment */
3235 ds = get_displaystate();
3239 if (display_type == DT_DEFAULT && !display_remote) {
3240 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3241 display_type = DT_SDL;
3242 #elif defined(CONFIG_VNC)
3243 vnc_display = "localhost:0,to=99";
3246 display_type = DT_NONE;
3251 /* init local displays */
3252 switch (display_type) {
3255 #if defined(CONFIG_CURSES)
3257 curses_display_init(ds, full_screen);
3260 #if defined(CONFIG_SDL)
3262 sdl_display_init(ds, full_screen, no_frame);
3264 #elif defined(CONFIG_COCOA)
3266 cocoa_display_init(ds, full_screen);
3273 /* must be after terminal init, SDL library changes signal handlers */
3274 os_setup_signal_handling();
3277 /* init remote displays */
3279 vnc_display_init(ds);
3280 if (vnc_display_open(ds, vnc_display) < 0)
3283 if (show_vnc_port) {
3284 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3289 if (using_spice && !qxl_enabled) {
3290 qemu_spice_display_init(ds);
3296 dcl = ds->listeners;
3297 while (dcl != NULL) {
3298 if (dcl->dpy_refresh != NULL) {
3299 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3300 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3305 if (ds->gui_timer == NULL) {
3306 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3307 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3309 text_consoles_set_display(ds);
3311 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3312 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3317 qdev_machine_creation_done();
3319 if (rom_load_all() != 0) {
3320 fprintf(stderr, "rom loading failed\n");
3324 /* TODO: once all bus devices are qdevified, this should be done
3325 * when bus is created by qdev.c */
3326 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3327 qemu_run_machine_init_done_notifiers();
3329 qemu_system_reset(VMRESET_SILENT);
3331 if (load_vmstate(loadvm) < 0) {
3337 int ret = qemu_start_incoming_migration(incoming);
3339 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3343 } else if (autostart) {