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>
52 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include <sys/ethernet.h>
69 #include <sys/sockio.h>
70 #include <netinet/arp.h>
71 #include <netinet/in_systm.h>
72 #include <netinet/ip.h>
73 #include <netinet/ip_icmp.h> // must come after ip.h
74 #include <netinet/udp.h>
75 #include <netinet/tcp.h>
79 /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
80 discussion about Solaris header problems */
81 extern int madvise(caddr_t, size_t, int);
86 #if defined(__OpenBSD__)
90 #if defined(CONFIG_VDE)
91 #include <libvdeplug.h>
99 #if defined(__APPLE__) || defined(main)
101 int qemu_main(int argc, char **argv, char **envp);
102 int main(int argc, char **argv)
104 return qemu_main(argc, argv, NULL);
107 #define main qemu_main
109 #endif /* CONFIG_SDL */
113 #define main qemu_main
114 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
128 #include "hw/loader.h"
131 #include "net/slirp.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
140 #include "blockdev.h"
141 #include "block-migration.h"
143 #include "audio/audio.h"
144 #include "migration.h"
146 #include "qemu-option.h"
147 #include "qemu-config.h"
148 #include "qemu-objects.h"
149 #include "qemu-options.h"
151 #include "fsdev/qemu-fsdev.h"
156 #include "qemu_socket.h"
158 #include "slirp/libslirp.h"
160 #include "qemu-queue.h"
162 #include "arch_init.h"
165 //#define DEBUG_SLIRP
167 #define DEFAULT_RAM_SIZE 128
169 #define MAX_VIRTIO_CONSOLES 1
171 static const char *data_dir;
172 const char *bios_name = NULL;
173 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
174 DisplayType display_type = DT_DEFAULT;
175 const char* keyboard_layout = NULL;
177 const char *mem_path = NULL;
179 int mem_prealloc = 0; /* force preallocation of physical target memory */
182 NICInfo nd_table[MAX_NICS];
185 static int rtc_utc = 1;
186 static int rtc_date_offset = -1; /* -1 means no change */
187 QEMUClock *rtc_clock;
188 int vga_interface_type = VGA_NONE;
189 static int full_screen = 0;
191 static int no_frame = 0;
194 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
195 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
196 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
197 int win2k_install_hack = 0;
205 const char *vnc_display;
206 int acpi_enabled = 1;
212 int graphic_rotate = 0;
213 uint8_t irq0override = 1;
214 const char *watchdog;
215 const char *option_rom[MAX_OPTION_ROMS];
217 int semihosting_enabled = 0;
219 const char *qemu_name;
222 unsigned int nb_prom_envs = 0;
223 const char *prom_envs[MAX_PROM_ENVS];
227 uint64_t node_mem[MAX_NODES];
228 uint64_t node_cpumask[MAX_NODES];
230 static QEMUTimer *nographic_timer;
232 uint8_t qemu_uuid[16];
234 static QEMUBootSetHandler *boot_set_handler;
235 static void *boot_set_opaque;
237 static NotifierList exit_notifiers =
238 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
242 enum xen_mode xen_mode = XEN_EMULATE;
244 static int default_serial = 1;
245 static int default_parallel = 1;
246 static int default_virtcon = 1;
247 static int default_monitor = 1;
248 static int default_vga = 1;
249 static int default_floppy = 1;
250 static int default_cdrom = 1;
251 static int default_sdcard = 1;
257 { .driver = "isa-serial", .flag = &default_serial },
258 { .driver = "isa-parallel", .flag = &default_parallel },
259 { .driver = "isa-fdc", .flag = &default_floppy },
260 { .driver = "ide-drive", .flag = &default_cdrom },
261 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
262 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
263 { .driver = "virtio-serial", .flag = &default_virtcon },
264 { .driver = "VGA", .flag = &default_vga },
265 { .driver = "cirrus-vga", .flag = &default_vga },
266 { .driver = "vmware-svga", .flag = &default_vga },
269 static int default_driver_check(QemuOpts *opts, void *opaque)
271 const char *driver = qemu_opt_get(opts, "driver");
276 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
277 if (strcmp(default_list[i].driver, driver) != 0)
279 *(default_list[i].flag) = 0;
284 /***********************************************************/
285 /* real time host monotonic timer */
287 /* compute with 96 bit intermediate result: (a*b)/c */
288 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
293 #ifdef HOST_WORDS_BIGENDIAN
303 rl = (uint64_t)u.l.low * (uint64_t)b;
304 rh = (uint64_t)u.l.high * (uint64_t)b;
307 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
311 /***********************************************************/
312 /* host time/date access */
313 void qemu_get_timedate(struct tm *tm, int offset)
320 if (rtc_date_offset == -1) {
324 ret = localtime(&ti);
326 ti -= rtc_date_offset;
330 memcpy(tm, ret, sizeof(struct tm));
333 int qemu_timedate_diff(struct tm *tm)
337 if (rtc_date_offset == -1)
339 seconds = mktimegm(tm);
341 seconds = mktime(tm);
343 seconds = mktimegm(tm) + rtc_date_offset;
345 return seconds - time(NULL);
348 void rtc_change_mon_event(struct tm *tm)
352 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
353 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
354 qobject_decref(data);
357 static void configure_rtc_date_offset(const char *startdate, int legacy)
359 time_t rtc_start_date;
362 if (!strcmp(startdate, "now") && legacy) {
363 rtc_date_offset = -1;
365 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
373 } else if (sscanf(startdate, "%d-%d-%d",
385 rtc_start_date = mktimegm(&tm);
386 if (rtc_start_date == -1) {
388 fprintf(stderr, "Invalid date format. Valid formats are:\n"
389 "'2006-06-17T16:01:21' or '2006-06-17'\n");
392 rtc_date_offset = time(NULL) - rtc_start_date;
396 static void configure_rtc(QemuOpts *opts)
400 value = qemu_opt_get(opts, "base");
402 if (!strcmp(value, "utc")) {
404 } else if (!strcmp(value, "localtime")) {
407 configure_rtc_date_offset(value, 0);
410 value = qemu_opt_get(opts, "clock");
412 if (!strcmp(value, "host")) {
413 rtc_clock = host_clock;
414 } else if (!strcmp(value, "vm")) {
415 rtc_clock = vm_clock;
417 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
421 value = qemu_opt_get(opts, "driftfix");
423 if (!strcmp(value, "slew")) {
425 } else if (!strcmp(value, "none")) {
428 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
434 /***********************************************************/
435 /* Bluetooth support */
438 static struct HCIInfo *hci_table[MAX_NICS];
440 static struct bt_vlan_s {
441 struct bt_scatternet_s net;
443 struct bt_vlan_s *next;
446 /* find or alloc a new bluetooth "VLAN" */
447 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
449 struct bt_vlan_s **pvlan, *vlan;
450 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
454 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
456 pvlan = &first_bt_vlan;
457 while (*pvlan != NULL)
458 pvlan = &(*pvlan)->next;
463 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
467 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
472 static struct HCIInfo null_hci = {
473 .cmd_send = null_hci_send,
474 .sco_send = null_hci_send,
475 .acl_send = null_hci_send,
476 .bdaddr_set = null_hci_addr_set,
479 struct HCIInfo *qemu_next_hci(void)
481 if (cur_hci == nb_hcis)
484 return hci_table[cur_hci++];
487 static struct HCIInfo *hci_init(const char *str)
490 struct bt_scatternet_s *vlan = 0;
492 if (!strcmp(str, "null"))
495 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
497 return bt_host_hci(str[4] ? str + 5 : "hci0");
498 else if (!strncmp(str, "hci", 3)) {
501 if (!strncmp(str + 3, ",vlan=", 6)) {
502 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
507 vlan = qemu_find_bt_vlan(0);
509 return bt_new_hci(vlan);
512 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
517 static int bt_hci_parse(const char *str)
522 if (nb_hcis >= MAX_NICS) {
523 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
536 bdaddr.b[5] = 0x56 + nb_hcis;
537 hci->bdaddr_set(hci, bdaddr.b);
539 hci_table[nb_hcis++] = hci;
544 static void bt_vhci_add(int vlan_id)
546 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
549 fprintf(stderr, "qemu: warning: adding a VHCI to "
550 "an empty scatternet %i\n", vlan_id);
552 bt_vhci_init(bt_new_hci(vlan));
555 static struct bt_device_s *bt_device_add(const char *opt)
557 struct bt_scatternet_s *vlan;
559 char *endp = strstr(opt, ",vlan=");
560 int len = (endp ? endp - opt : strlen(opt)) + 1;
563 pstrcpy(devname, MIN(sizeof(devname), len), opt);
566 vlan_id = strtol(endp + 6, &endp, 0);
568 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
573 vlan = qemu_find_bt_vlan(vlan_id);
576 fprintf(stderr, "qemu: warning: adding a slave device to "
577 "an empty scatternet %i\n", vlan_id);
579 if (!strcmp(devname, "keyboard"))
580 return bt_keyboard_init(vlan);
582 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
586 static int bt_parse(const char *opt)
588 const char *endp, *p;
591 if (strstart(opt, "hci", &endp)) {
592 if (!*endp || *endp == ',') {
594 if (!strstart(endp, ",vlan=", 0))
597 return bt_hci_parse(opt);
599 } else if (strstart(opt, "vhci", &endp)) {
600 if (!*endp || *endp == ',') {
602 if (strstart(endp, ",vlan=", &p)) {
603 vlan = strtol(p, (char **) &endp, 0);
605 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
609 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
618 } else if (strstart(opt, "device:", &endp))
619 return !bt_device_add(endp);
621 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
625 /***********************************************************/
626 /* QEMU Block devices */
628 #define HD_ALIAS "index=%d,media=disk"
629 #define CDROM_ALIAS "index=2,media=cdrom"
630 #define FD_ALIAS "index=%d,if=floppy"
631 #define PFLASH_ALIAS "if=pflash"
632 #define MTD_ALIAS "if=mtd"
633 #define SD_ALIAS "index=0,if=sd"
635 static int drive_init_func(QemuOpts *opts, void *opaque)
637 int *use_scsi = opaque;
640 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
647 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
649 if (NULL == qemu_opt_get(opts, "snapshot")) {
650 qemu_opt_set(opts, "snapshot", "on");
655 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
657 boot_set_handler = func;
658 boot_set_opaque = opaque;
661 int qemu_boot_set(const char *boot_devices)
663 if (!boot_set_handler) {
666 return boot_set_handler(boot_set_opaque, boot_devices);
669 static void validate_bootdevices(char *devices)
671 /* We just do some generic consistency checks */
675 for (p = devices; *p != '\0'; p++) {
676 /* Allowed boot devices are:
677 * a-b: floppy disk drives
678 * c-f: IDE disk drives
679 * g-m: machine implementation dependant drives
680 * n-p: network devices
681 * It's up to each machine implementation to check if the given boot
682 * devices match the actual hardware implementation and firmware
685 if (*p < 'a' || *p > 'p') {
686 fprintf(stderr, "Invalid boot device '%c'\n", *p);
689 if (bitmap & (1 << (*p - 'a'))) {
690 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
693 bitmap |= 1 << (*p - 'a');
697 static void restore_boot_devices(void *opaque)
699 char *standard_boot_devices = opaque;
700 static int first = 1;
702 /* Restore boot order and remove ourselves after the first boot */
708 qemu_boot_set(standard_boot_devices);
710 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
711 qemu_free(standard_boot_devices);
714 static void numa_add(const char *optarg)
718 unsigned long long value, endvalue;
721 optarg = get_opt_name(option, 128, optarg, ',') + 1;
722 if (!strcmp(option, "node")) {
723 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
724 nodenr = nb_numa_nodes;
726 nodenr = strtoull(option, NULL, 10);
729 if (get_param_value(option, 128, "mem", optarg) == 0) {
730 node_mem[nodenr] = 0;
732 value = strtoull(option, &endptr, 0);
734 case 0: case 'M': case 'm':
741 node_mem[nodenr] = value;
743 if (get_param_value(option, 128, "cpus", optarg) == 0) {
744 node_cpumask[nodenr] = 0;
746 value = strtoull(option, &endptr, 10);
749 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
751 if (*endptr == '-') {
752 endvalue = strtoull(endptr+1, &endptr, 10);
753 if (endvalue >= 63) {
756 "only 63 CPUs in NUMA mode supported.\n");
758 value = (2ULL << endvalue) - (1ULL << value);
760 value = 1ULL << value;
763 node_cpumask[nodenr] = value;
770 static void smp_parse(const char *optarg)
772 int smp, sockets = 0, threads = 0, cores = 0;
776 smp = strtoul(optarg, &endptr, 10);
777 if (endptr != optarg) {
778 if (*endptr == ',') {
782 if (get_param_value(option, 128, "sockets", endptr) != 0)
783 sockets = strtoull(option, NULL, 10);
784 if (get_param_value(option, 128, "cores", endptr) != 0)
785 cores = strtoull(option, NULL, 10);
786 if (get_param_value(option, 128, "threads", endptr) != 0)
787 threads = strtoull(option, NULL, 10);
788 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
789 max_cpus = strtoull(option, NULL, 10);
791 /* compute missing values, prefer sockets over cores over threads */
792 if (smp == 0 || sockets == 0) {
793 sockets = sockets > 0 ? sockets : 1;
794 cores = cores > 0 ? cores : 1;
795 threads = threads > 0 ? threads : 1;
797 smp = cores * threads * sockets;
801 threads = threads > 0 ? threads : 1;
802 cores = smp / (sockets * threads);
805 threads = smp / (cores * sockets);
810 smp_cores = cores > 0 ? cores : 1;
811 smp_threads = threads > 0 ? threads : 1;
816 /***********************************************************/
819 static int usb_device_add(const char *devname)
822 USBDevice *dev = NULL;
827 /* drivers with .usbdevice_name entry in USBDeviceInfo */
828 dev = usbdevice_create(devname);
833 if (strstart(devname, "host:", &p)) {
834 dev = usb_host_device_open(p);
835 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
836 dev = usb_bt_init(devname[2] ? hci_init(p) :
837 bt_new_hci(qemu_find_bt_vlan(0)));
848 static int usb_device_del(const char *devname)
853 if (strstart(devname, "host:", &p))
854 return usb_host_device_close(p);
859 p = strchr(devname, '.');
862 bus_num = strtoul(devname, NULL, 0);
863 addr = strtoul(p + 1, NULL, 0);
865 return usb_device_delete_addr(bus_num, addr);
868 static int usb_parse(const char *cmdline)
871 r = usb_device_add(cmdline);
873 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
878 void do_usb_add(Monitor *mon, const QDict *qdict)
880 const char *devname = qdict_get_str(qdict, "devname");
881 if (usb_device_add(devname) < 0) {
882 error_report("could not add USB device '%s'", devname);
886 void do_usb_del(Monitor *mon, const QDict *qdict)
888 const char *devname = qdict_get_str(qdict, "devname");
889 if (usb_device_del(devname) < 0) {
890 error_report("could not delete USB device '%s'", devname);
894 /***********************************************************/
897 static struct pcmcia_socket_entry_s {
898 PCMCIASocket *socket;
899 struct pcmcia_socket_entry_s *next;
900 } *pcmcia_sockets = 0;
902 void pcmcia_socket_register(PCMCIASocket *socket)
904 struct pcmcia_socket_entry_s *entry;
906 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
907 entry->socket = socket;
908 entry->next = pcmcia_sockets;
909 pcmcia_sockets = entry;
912 void pcmcia_socket_unregister(PCMCIASocket *socket)
914 struct pcmcia_socket_entry_s *entry, **ptr;
916 ptr = &pcmcia_sockets;
917 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
918 if (entry->socket == socket) {
924 void pcmcia_info(Monitor *mon)
926 struct pcmcia_socket_entry_s *iter;
929 monitor_printf(mon, "No PCMCIA sockets\n");
931 for (iter = pcmcia_sockets; iter; iter = iter->next)
932 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
933 iter->socket->attached ? iter->socket->card_string :
937 /***********************************************************/
940 typedef struct IOHandlerRecord {
942 IOCanReadHandler *fd_read_poll;
949 QLIST_ENTRY(IOHandlerRecord) next;
952 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
953 QLIST_HEAD_INITIALIZER(io_handlers);
956 /* XXX: fd_read_poll should be suppressed, but an API change is
957 necessary in the character devices to suppress fd_can_read(). */
958 int qemu_set_fd_handler2(int fd,
959 IOCanReadHandler *fd_read_poll,
964 IOHandlerRecord *ioh;
966 if (!fd_read && !fd_write) {
967 QLIST_FOREACH(ioh, &io_handlers, next) {
974 QLIST_FOREACH(ioh, &io_handlers, next) {
978 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
979 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
982 ioh->fd_read_poll = fd_read_poll;
983 ioh->fd_read = fd_read;
984 ioh->fd_write = fd_write;
985 ioh->opaque = opaque;
991 int qemu_set_fd_handler(int fd,
996 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
999 /***********************************************************/
1000 /* machine registration */
1002 static QEMUMachine *first_machine = NULL;
1003 QEMUMachine *current_machine = NULL;
1005 int qemu_register_machine(QEMUMachine *m)
1008 pm = &first_machine;
1016 static QEMUMachine *find_machine(const char *name)
1020 for(m = first_machine; m != NULL; m = m->next) {
1021 if (!strcmp(m->name, name))
1023 if (m->alias && !strcmp(m->alias, name))
1029 static QEMUMachine *find_default_machine(void)
1033 for(m = first_machine; m != NULL; m = m->next) {
1034 if (m->is_default) {
1041 /***********************************************************/
1042 /* main execution loop */
1044 static void gui_update(void *opaque)
1046 uint64_t interval = GUI_REFRESH_INTERVAL;
1047 DisplayState *ds = opaque;
1048 DisplayChangeListener *dcl = ds->listeners;
1050 qemu_flush_coalesced_mmio_buffer();
1053 while (dcl != NULL) {
1054 if (dcl->gui_timer_interval &&
1055 dcl->gui_timer_interval < interval)
1056 interval = dcl->gui_timer_interval;
1059 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1062 static void nographic_update(void *opaque)
1064 uint64_t interval = GUI_REFRESH_INTERVAL;
1066 qemu_flush_coalesced_mmio_buffer();
1067 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1070 struct vm_change_state_entry {
1071 VMChangeStateHandler *cb;
1073 QLIST_ENTRY (vm_change_state_entry) entries;
1076 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1078 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1081 VMChangeStateEntry *e;
1083 e = qemu_mallocz(sizeof (*e));
1087 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1091 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1093 QLIST_REMOVE (e, entries);
1097 void vm_state_notify(int running, int reason)
1099 VMChangeStateEntry *e;
1101 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1102 e->cb(e->opaque, running, reason);
1111 vm_state_notify(1, 0);
1113 monitor_protocol_event(QEVENT_RESUME, NULL);
1117 /* reset/shutdown handler */
1119 typedef struct QEMUResetEntry {
1120 QTAILQ_ENTRY(QEMUResetEntry) entry;
1121 QEMUResetHandler *func;
1125 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1126 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1127 static int reset_requested;
1128 static int shutdown_requested;
1129 static int powerdown_requested;
1130 int debug_requested;
1131 int vmstop_requested;
1133 int qemu_shutdown_requested(void)
1135 int r = shutdown_requested;
1136 shutdown_requested = 0;
1140 int qemu_reset_requested(void)
1142 int r = reset_requested;
1143 reset_requested = 0;
1147 int qemu_powerdown_requested(void)
1149 int r = powerdown_requested;
1150 powerdown_requested = 0;
1154 static int qemu_debug_requested(void)
1156 int r = debug_requested;
1157 debug_requested = 0;
1161 static int qemu_vmstop_requested(void)
1163 int r = vmstop_requested;
1164 vmstop_requested = 0;
1168 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1170 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1173 re->opaque = opaque;
1174 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1177 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1181 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1182 if (re->func == func && re->opaque == opaque) {
1183 QTAILQ_REMOVE(&reset_handlers, re, entry);
1190 void qemu_system_reset(void)
1192 QEMUResetEntry *re, *nre;
1194 /* reset all devices */
1195 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1196 re->func(re->opaque);
1198 monitor_protocol_event(QEVENT_RESET, NULL);
1199 cpu_synchronize_all_post_reset();
1202 void qemu_system_reset_request(void)
1205 shutdown_requested = 1;
1207 reset_requested = 1;
1209 qemu_notify_event();
1212 void qemu_system_shutdown_request(void)
1214 shutdown_requested = 1;
1215 qemu_notify_event();
1218 void qemu_system_powerdown_request(void)
1220 powerdown_requested = 1;
1221 qemu_notify_event();
1224 void main_loop_wait(int nonblocking)
1226 IOHandlerRecord *ioh;
1227 fd_set rfds, wfds, xfds;
1235 timeout = qemu_calculate_timeout();
1236 qemu_bh_update_timeout(&timeout);
1239 os_host_main_loop_wait(&timeout);
1241 /* poll any events */
1242 /* XXX: separate device handlers from system ones */
1247 QLIST_FOREACH(ioh, &io_handlers, next) {
1251 (!ioh->fd_read_poll ||
1252 ioh->fd_read_poll(ioh->opaque) != 0)) {
1253 FD_SET(ioh->fd, &rfds);
1257 if (ioh->fd_write) {
1258 FD_SET(ioh->fd, &wfds);
1264 tv.tv_sec = timeout / 1000;
1265 tv.tv_usec = (timeout % 1000) * 1000;
1267 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1269 qemu_mutex_unlock_iothread();
1270 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1271 qemu_mutex_lock_iothread();
1273 IOHandlerRecord *pioh;
1275 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1277 QLIST_REMOVE(ioh, next);
1281 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1282 ioh->fd_read(ioh->opaque);
1284 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1285 ioh->fd_write(ioh->opaque);
1290 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1292 qemu_run_all_timers();
1294 /* Check bottom-halves last in case any of the earlier events triggered
1300 static int vm_can_run(void)
1302 if (powerdown_requested)
1304 if (reset_requested)
1306 if (shutdown_requested)
1308 if (debug_requested)
1313 qemu_irq qemu_system_powerdown;
1315 static void main_loop(void)
1319 qemu_main_loop_start();
1323 bool nonblocking = false;
1324 #ifdef CONFIG_PROFILER
1327 #ifndef CONFIG_IOTHREAD
1328 nonblocking = cpu_exec_all();
1330 #ifdef CONFIG_PROFILER
1331 ti = profile_getclock();
1333 main_loop_wait(nonblocking);
1334 #ifdef CONFIG_PROFILER
1335 dev_time += profile_getclock() - ti;
1337 } while (vm_can_run());
1339 if ((r = qemu_debug_requested())) {
1342 if (qemu_shutdown_requested()) {
1343 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1350 if (qemu_reset_requested()) {
1352 qemu_system_reset();
1355 if (qemu_powerdown_requested()) {
1356 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1357 qemu_irq_raise(qemu_system_powerdown);
1359 if ((r = qemu_vmstop_requested())) {
1367 static void version(void)
1369 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1372 static void help(int exitcode)
1374 const char *options_help =
1375 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1377 #define DEFHEADING(text) stringify(text) "\n"
1378 #include "qemu-options.def"
1384 printf("usage: %s [options] [disk_image]\n"
1386 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1389 "During emulation, the following keys are useful:\n"
1390 "ctrl-alt-f toggle full screen\n"
1391 "ctrl-alt-n switch to virtual console 'n'\n"
1392 "ctrl-alt toggle mouse and keyboard grab\n"
1394 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1400 #define HAS_ARG 0x0001
1402 typedef struct QEMUOption {
1409 static const QEMUOption qemu_options[] = {
1410 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1411 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1412 { option, opt_arg, opt_enum, arch_mask },
1413 #define DEFHEADING(text)
1414 #include "qemu-options.def"
1420 static void select_vgahw (const char *p)
1425 vga_interface_type = VGA_NONE;
1426 if (strstart(p, "std", &opts)) {
1427 vga_interface_type = VGA_STD;
1428 } else if (strstart(p, "cirrus", &opts)) {
1429 vga_interface_type = VGA_CIRRUS;
1430 } else if (strstart(p, "vmware", &opts)) {
1431 vga_interface_type = VGA_VMWARE;
1432 } else if (strstart(p, "xenfb", &opts)) {
1433 vga_interface_type = VGA_XENFB;
1434 } else if (!strstart(p, "none", &opts)) {
1436 fprintf(stderr, "Unknown vga type: %s\n", p);
1440 const char *nextopt;
1442 if (strstart(opts, ",retrace=", &nextopt)) {
1444 if (strstart(opts, "dumb", &nextopt))
1445 vga_retrace_method = VGA_RETRACE_DUMB;
1446 else if (strstart(opts, "precise", &nextopt))
1447 vga_retrace_method = VGA_RETRACE_PRECISE;
1448 else goto invalid_vga;
1449 } else goto invalid_vga;
1454 static int balloon_parse(const char *arg)
1458 if (strcmp(arg, "none") == 0) {
1462 if (!strncmp(arg, "virtio", 6)) {
1463 if (arg[6] == ',') {
1464 /* have params -> parse them */
1465 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
1469 /* create empty opts */
1470 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1472 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1479 char *qemu_find_file(int type, const char *name)
1485 /* If name contains path separators then try it as a straight path. */
1486 if ((strchr(name, '/') || strchr(name, '\\'))
1487 && access(name, R_OK) == 0) {
1488 return qemu_strdup(name);
1491 case QEMU_FILE_TYPE_BIOS:
1494 case QEMU_FILE_TYPE_KEYMAP:
1495 subdir = "keymaps/";
1500 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1501 buf = qemu_mallocz(len);
1502 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1503 if (access(buf, R_OK)) {
1510 static int device_help_func(QemuOpts *opts, void *opaque)
1512 return qdev_device_help(opts);
1515 static int device_init_func(QemuOpts *opts, void *opaque)
1519 dev = qdev_device_add(opts);
1525 static int chardev_init_func(QemuOpts *opts, void *opaque)
1527 CharDriverState *chr;
1529 chr = qemu_chr_open_opts(opts, NULL);
1535 #ifdef CONFIG_VIRTFS
1536 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1539 ret = qemu_fsdev_add(opts);
1545 static int mon_init_func(QemuOpts *opts, void *opaque)
1547 CharDriverState *chr;
1548 const char *chardev;
1552 mode = qemu_opt_get(opts, "mode");
1556 if (strcmp(mode, "readline") == 0) {
1557 flags = MONITOR_USE_READLINE;
1558 } else if (strcmp(mode, "control") == 0) {
1559 flags = MONITOR_USE_CONTROL;
1561 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1565 if (qemu_opt_get_bool(opts, "default", 0))
1566 flags |= MONITOR_IS_DEFAULT;
1568 chardev = qemu_opt_get(opts, "chardev");
1569 chr = qemu_chr_find(chardev);
1571 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1575 monitor_init(chr, flags);
1579 static void monitor_parse(const char *optarg, const char *mode)
1581 static int monitor_device_index = 0;
1587 if (strstart(optarg, "chardev:", &p)) {
1588 snprintf(label, sizeof(label), "%s", p);
1590 snprintf(label, sizeof(label), "compat_monitor%d",
1591 monitor_device_index);
1592 if (monitor_device_index == 0) {
1595 opts = qemu_chr_parse_compat(label, optarg);
1597 fprintf(stderr, "parse error: %s\n", optarg);
1602 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
1604 fprintf(stderr, "duplicate chardev: %s\n", label);
1607 qemu_opt_set(opts, "mode", mode);
1608 qemu_opt_set(opts, "chardev", label);
1610 qemu_opt_set(opts, "default", "on");
1611 monitor_device_index++;
1614 struct device_config {
1616 DEV_USB, /* -usbdevice */
1618 DEV_SERIAL, /* -serial */
1619 DEV_PARALLEL, /* -parallel */
1620 DEV_VIRTCON, /* -virtioconsole */
1621 DEV_DEBUGCON, /* -debugcon */
1623 const char *cmdline;
1624 QTAILQ_ENTRY(device_config) next;
1626 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1628 static void add_device_config(int type, const char *cmdline)
1630 struct device_config *conf;
1632 conf = qemu_mallocz(sizeof(*conf));
1634 conf->cmdline = cmdline;
1635 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1638 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1640 struct device_config *conf;
1643 QTAILQ_FOREACH(conf, &device_configs, next) {
1644 if (conf->type != type)
1646 rc = func(conf->cmdline);
1653 static int serial_parse(const char *devname)
1655 static int index = 0;
1658 if (strcmp(devname, "none") == 0)
1660 if (index == MAX_SERIAL_PORTS) {
1661 fprintf(stderr, "qemu: too many serial ports\n");
1664 snprintf(label, sizeof(label), "serial%d", index);
1665 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1666 if (!serial_hds[index]) {
1667 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1668 devname, strerror(errno));
1675 static int parallel_parse(const char *devname)
1677 static int index = 0;
1680 if (strcmp(devname, "none") == 0)
1682 if (index == MAX_PARALLEL_PORTS) {
1683 fprintf(stderr, "qemu: too many parallel ports\n");
1686 snprintf(label, sizeof(label), "parallel%d", index);
1687 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1688 if (!parallel_hds[index]) {
1689 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1690 devname, strerror(errno));
1697 static int virtcon_parse(const char *devname)
1699 static int index = 0;
1701 QemuOpts *bus_opts, *dev_opts;
1703 if (strcmp(devname, "none") == 0)
1705 if (index == MAX_VIRTIO_CONSOLES) {
1706 fprintf(stderr, "qemu: too many virtio consoles\n");
1710 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1711 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1713 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1714 qemu_opt_set(dev_opts, "driver", "virtconsole");
1716 snprintf(label, sizeof(label), "virtcon%d", index);
1717 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1718 if (!virtcon_hds[index]) {
1719 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1720 devname, strerror(errno));
1723 qemu_opt_set(dev_opts, "chardev", label);
1729 static int debugcon_parse(const char *devname)
1733 if (!qemu_chr_open("debugcon", devname, NULL)) {
1736 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
1738 fprintf(stderr, "qemu: already have a debugcon device\n");
1741 qemu_opt_set(opts, "driver", "isa-debugcon");
1742 qemu_opt_set(opts, "chardev", "debugcon");
1746 void qemu_add_exit_notifier(Notifier *notify)
1748 notifier_list_add(&exit_notifiers, notify);
1751 void qemu_remove_exit_notifier(Notifier *notify)
1753 notifier_list_remove(&exit_notifiers, notify);
1756 static void qemu_run_exit_notifiers(void)
1758 notifier_list_notify(&exit_notifiers);
1761 static const QEMUOption *lookup_opt(int argc, char **argv,
1762 const char **poptarg, int *poptind)
1764 const QEMUOption *popt;
1765 int optind = *poptind;
1766 char *r = argv[optind];
1769 loc_set_cmdline(argv, optind, 1);
1771 /* Treat --foo the same as -foo. */
1774 popt = qemu_options;
1777 error_report("invalid option");
1780 if (!strcmp(popt->name, r + 1))
1784 if (popt->flags & HAS_ARG) {
1785 if (optind >= argc) {
1786 error_report("requires an argument");
1789 optarg = argv[optind++];
1790 loc_set_cmdline(argv, optind - 2, 2);
1801 int main(int argc, char **argv, char **envp)
1803 const char *gdbstub_dev = NULL;
1805 int snapshot, linux_boot;
1806 const char *icount_option = NULL;
1807 const char *initrd_filename;
1808 const char *kernel_filename, *kernel_cmdline;
1809 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1811 DisplayChangeListener *dcl;
1812 int cyls, heads, secs, translation;
1813 QemuOpts *hda_opts = NULL, *opts;
1816 const char *loadvm = NULL;
1817 QEMUMachine *machine;
1818 const char *cpu_model;
1820 const char *pid_file = NULL;
1821 const char *incoming = NULL;
1822 int show_vnc_port = 0;
1825 atexit(qemu_run_exit_notifiers);
1826 error_set_progname(argv[0]);
1830 qemu_cache_utils_init(envp);
1832 QLIST_INIT (&vm_change_state_head);
1833 os_setup_early_signal_handling();
1835 module_call_init(MODULE_INIT_MACHINE);
1836 machine = find_default_machine();
1838 initrd_filename = NULL;
1841 kernel_filename = NULL;
1842 kernel_cmdline = "";
1843 cyls = heads = secs = 0;
1844 translation = BIOS_ATA_TRANSLATION_AUTO;
1846 for (i = 0; i < MAX_NODES; i++) {
1848 node_cpumask[i] = 0;
1857 /* first pass of option parsing */
1859 while (optind < argc) {
1860 if (argv[optind][0] != '-') {
1865 const QEMUOption *popt;
1867 popt = lookup_opt(argc, argv, &optarg, &optind);
1868 switch (popt->index) {
1869 case QEMU_OPTION_nodefconfig:
1879 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1880 if (ret < 0 && ret != -ENOENT) {
1884 ret = qemu_read_config_file(arch_config_name);
1885 if (ret < 0 && ret != -ENOENT) {
1891 /* second pass of option parsing */
1896 if (argv[optind][0] != '-') {
1897 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1899 const QEMUOption *popt;
1901 popt = lookup_opt(argc, argv, &optarg, &optind);
1902 if (!(popt->arch_mask & arch_type)) {
1903 printf("Option %s not supported for this target\n", popt->name);
1906 switch(popt->index) {
1908 machine = find_machine(optarg);
1911 printf("Supported machines are:\n");
1912 for(m = first_machine; m != NULL; m = m->next) {
1914 printf("%-10s %s (alias of %s)\n",
1915 m->alias, m->desc, m->name);
1916 printf("%-10s %s%s\n",
1918 m->is_default ? " (default)" : "");
1920 exit(*optarg != '?');
1923 case QEMU_OPTION_cpu:
1924 /* hw initialization will check this */
1925 if (*optarg == '?') {
1926 list_cpus(stdout, &fprintf, optarg);
1932 case QEMU_OPTION_initrd:
1933 initrd_filename = optarg;
1935 case QEMU_OPTION_hda:
1937 hda_opts = drive_add(optarg, HD_ALIAS, 0);
1939 hda_opts = drive_add(optarg, HD_ALIAS
1940 ",cyls=%d,heads=%d,secs=%d%s",
1941 0, cyls, heads, secs,
1942 translation == BIOS_ATA_TRANSLATION_LBA ?
1944 translation == BIOS_ATA_TRANSLATION_NONE ?
1945 ",trans=none" : "");
1947 case QEMU_OPTION_hdb:
1948 case QEMU_OPTION_hdc:
1949 case QEMU_OPTION_hdd:
1950 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1952 case QEMU_OPTION_drive:
1953 drive_add(NULL, "%s", optarg);
1955 case QEMU_OPTION_set:
1956 if (qemu_set_option(optarg) != 0)
1959 case QEMU_OPTION_global:
1960 if (qemu_global_option(optarg) != 0)
1963 case QEMU_OPTION_mtdblock:
1964 drive_add(optarg, MTD_ALIAS);
1966 case QEMU_OPTION_sd:
1967 drive_add(optarg, SD_ALIAS);
1969 case QEMU_OPTION_pflash:
1970 drive_add(optarg, PFLASH_ALIAS);
1972 case QEMU_OPTION_snapshot:
1975 case QEMU_OPTION_hdachs:
1979 cyls = strtol(p, (char **)&p, 0);
1980 if (cyls < 1 || cyls > 16383)
1985 heads = strtol(p, (char **)&p, 0);
1986 if (heads < 1 || heads > 16)
1991 secs = strtol(p, (char **)&p, 0);
1992 if (secs < 1 || secs > 63)
1996 if (!strcmp(p, "none"))
1997 translation = BIOS_ATA_TRANSLATION_NONE;
1998 else if (!strcmp(p, "lba"))
1999 translation = BIOS_ATA_TRANSLATION_LBA;
2000 else if (!strcmp(p, "auto"))
2001 translation = BIOS_ATA_TRANSLATION_AUTO;
2004 } else if (*p != '\0') {
2006 fprintf(stderr, "qemu: invalid physical CHS format\n");
2009 if (hda_opts != NULL) {
2011 snprintf(num, sizeof(num), "%d", cyls);
2012 qemu_opt_set(hda_opts, "cyls", num);
2013 snprintf(num, sizeof(num), "%d", heads);
2014 qemu_opt_set(hda_opts, "heads", num);
2015 snprintf(num, sizeof(num), "%d", secs);
2016 qemu_opt_set(hda_opts, "secs", num);
2017 if (translation == BIOS_ATA_TRANSLATION_LBA)
2018 qemu_opt_set(hda_opts, "trans", "lba");
2019 if (translation == BIOS_ATA_TRANSLATION_NONE)
2020 qemu_opt_set(hda_opts, "trans", "none");
2024 case QEMU_OPTION_numa:
2025 if (nb_numa_nodes >= MAX_NODES) {
2026 fprintf(stderr, "qemu: too many NUMA nodes\n");
2031 case QEMU_OPTION_nographic:
2032 display_type = DT_NOGRAPHIC;
2034 #ifdef CONFIG_CURSES
2035 case QEMU_OPTION_curses:
2036 display_type = DT_CURSES;
2039 case QEMU_OPTION_portrait:
2042 case QEMU_OPTION_kernel:
2043 kernel_filename = optarg;
2045 case QEMU_OPTION_append:
2046 kernel_cmdline = optarg;
2048 case QEMU_OPTION_cdrom:
2049 drive_add(optarg, CDROM_ALIAS);
2051 case QEMU_OPTION_boot:
2053 static const char * const params[] = {
2054 "order", "once", "menu", NULL
2056 char buf[sizeof(boot_devices)];
2057 char *standard_boot_devices;
2060 if (!strchr(optarg, '=')) {
2062 pstrcpy(buf, sizeof(buf), optarg);
2063 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2065 "qemu: unknown boot parameter '%s' in '%s'\n",
2071 get_param_value(buf, sizeof(buf), "order", optarg)) {
2072 validate_bootdevices(buf);
2073 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2076 if (get_param_value(buf, sizeof(buf),
2078 validate_bootdevices(buf);
2079 standard_boot_devices = qemu_strdup(boot_devices);
2080 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2081 qemu_register_reset(restore_boot_devices,
2082 standard_boot_devices);
2084 if (get_param_value(buf, sizeof(buf),
2086 if (!strcmp(buf, "on")) {
2088 } else if (!strcmp(buf, "off")) {
2092 "qemu: invalid option value '%s'\n",
2100 case QEMU_OPTION_fda:
2101 case QEMU_OPTION_fdb:
2102 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2104 case QEMU_OPTION_no_fd_bootchk:
2107 case QEMU_OPTION_netdev:
2108 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2112 case QEMU_OPTION_net:
2113 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2118 case QEMU_OPTION_tftp:
2119 legacy_tftp_prefix = optarg;
2121 case QEMU_OPTION_bootp:
2122 legacy_bootp_filename = optarg;
2124 case QEMU_OPTION_redir:
2125 if (net_slirp_redir(optarg) < 0)
2129 case QEMU_OPTION_bt:
2130 add_device_config(DEV_BT, optarg);
2132 case QEMU_OPTION_audio_help:
2133 if (!(audio_available())) {
2134 printf("Option %s not supported for this target\n", popt->name);
2140 case QEMU_OPTION_soundhw:
2141 if (!(audio_available())) {
2142 printf("Option %s not supported for this target\n", popt->name);
2145 select_soundhw (optarg);
2150 case QEMU_OPTION_version:
2154 case QEMU_OPTION_m: {
2158 value = strtoul(optarg, &ptr, 10);
2160 case 0: case 'M': case 'm':
2167 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2171 /* On 32-bit hosts, QEMU is limited by virtual address space */
2172 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2173 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2176 if (value != (uint64_t)(ram_addr_t)value) {
2177 fprintf(stderr, "qemu: ram size too large\n");
2183 case QEMU_OPTION_mempath:
2187 case QEMU_OPTION_mem_prealloc:
2192 set_cpu_log(optarg);
2195 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2197 case QEMU_OPTION_gdb:
2198 gdbstub_dev = optarg;
2203 case QEMU_OPTION_bios:
2206 case QEMU_OPTION_singlestep:
2213 keyboard_layout = optarg;
2215 case QEMU_OPTION_localtime:
2218 case QEMU_OPTION_vga:
2219 select_vgahw (optarg);
2226 w = strtol(p, (char **)&p, 10);
2229 fprintf(stderr, "qemu: invalid resolution or depth\n");
2235 h = strtol(p, (char **)&p, 10);
2240 depth = strtol(p, (char **)&p, 10);
2241 if (depth != 8 && depth != 15 && depth != 16 &&
2242 depth != 24 && depth != 32)
2244 } else if (*p == '\0') {
2245 depth = graphic_depth;
2252 graphic_depth = depth;
2255 case QEMU_OPTION_echr:
2258 term_escape_char = strtol(optarg, &r, 0);
2260 printf("Bad argument to echr\n");
2263 case QEMU_OPTION_monitor:
2264 monitor_parse(optarg, "readline");
2265 default_monitor = 0;
2267 case QEMU_OPTION_qmp:
2268 monitor_parse(optarg, "control");
2269 default_monitor = 0;
2271 case QEMU_OPTION_mon:
2272 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
2276 default_monitor = 0;
2278 case QEMU_OPTION_chardev:
2279 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
2284 #ifdef CONFIG_VIRTFS
2285 case QEMU_OPTION_fsdev:
2286 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
2288 fprintf(stderr, "parse error: %s\n", optarg);
2292 case QEMU_OPTION_virtfs: {
2293 char *arg_fsdev = NULL;
2294 char *arg_9p = NULL;
2297 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
2299 fprintf(stderr, "parse error: %s\n", optarg);
2303 if (qemu_opt_get(opts, "fstype") == NULL ||
2304 qemu_opt_get(opts, "mount_tag") == NULL ||
2305 qemu_opt_get(opts, "path") == NULL ||
2306 qemu_opt_get(opts, "security_model") == NULL) {
2307 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2308 "security_model=[mapped|passthrough],"
2313 len = strlen(",id=,path=,security_model=");
2314 len += strlen(qemu_opt_get(opts, "fstype"));
2315 len += strlen(qemu_opt_get(opts, "mount_tag"));
2316 len += strlen(qemu_opt_get(opts, "path"));
2317 len += strlen(qemu_opt_get(opts, "security_model"));
2318 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2321 fprintf(stderr, "No memory to parse -fsdev for %s\n",
2326 sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
2327 qemu_opt_get(opts, "fstype"),
2328 qemu_opt_get(opts, "mount_tag"),
2329 qemu_opt_get(opts, "path"),
2330 qemu_opt_get(opts, "security_model"));
2332 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2333 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2334 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2337 fprintf(stderr, "No memory to parse -device for %s\n",
2342 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2343 qemu_opt_get(opts, "mount_tag"),
2344 qemu_opt_get(opts, "mount_tag"));
2346 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
2347 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2351 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
2352 fprintf(stderr, "parse error [device]: %s\n", optarg);
2356 qemu_free(arg_fsdev);
2361 case QEMU_OPTION_serial:
2362 add_device_config(DEV_SERIAL, optarg);
2364 if (strncmp(optarg, "mon:", 4) == 0) {
2365 default_monitor = 0;
2368 case QEMU_OPTION_watchdog:
2371 "qemu: only one watchdog option may be given\n");
2376 case QEMU_OPTION_watchdog_action:
2377 if (select_watchdog_action(optarg) == -1) {
2378 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2382 case QEMU_OPTION_virtiocon:
2383 add_device_config(DEV_VIRTCON, optarg);
2384 default_virtcon = 0;
2385 if (strncmp(optarg, "mon:", 4) == 0) {
2386 default_monitor = 0;
2389 case QEMU_OPTION_parallel:
2390 add_device_config(DEV_PARALLEL, optarg);
2391 default_parallel = 0;
2392 if (strncmp(optarg, "mon:", 4) == 0) {
2393 default_monitor = 0;
2396 case QEMU_OPTION_debugcon:
2397 add_device_config(DEV_DEBUGCON, optarg);
2399 case QEMU_OPTION_loadvm:
2402 case QEMU_OPTION_full_screen:
2406 case QEMU_OPTION_no_frame:
2409 case QEMU_OPTION_alt_grab:
2412 case QEMU_OPTION_ctrl_grab:
2415 case QEMU_OPTION_no_quit:
2418 case QEMU_OPTION_sdl:
2419 display_type = DT_SDL;
2422 case QEMU_OPTION_pidfile:
2425 case QEMU_OPTION_win2k_hack:
2426 win2k_install_hack = 1;
2428 case QEMU_OPTION_rtc_td_hack:
2431 case QEMU_OPTION_acpitable:
2432 do_acpitable_option(optarg);
2434 case QEMU_OPTION_smbios:
2435 do_smbios_option(optarg);
2437 case QEMU_OPTION_enable_kvm:
2440 case QEMU_OPTION_usb:
2443 case QEMU_OPTION_usbdevice:
2445 add_device_config(DEV_USB, optarg);
2447 case QEMU_OPTION_device:
2448 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
2452 case QEMU_OPTION_smp:
2455 fprintf(stderr, "Invalid number of CPUs\n");
2458 if (max_cpus < smp_cpus) {
2459 fprintf(stderr, "maxcpus must be equal to or greater than "
2463 if (max_cpus > 255) {
2464 fprintf(stderr, "Unsupported number of maxcpus\n");
2468 case QEMU_OPTION_vnc:
2469 display_type = DT_VNC;
2470 vnc_display = optarg;
2472 case QEMU_OPTION_no_acpi:
2475 case QEMU_OPTION_no_hpet:
2478 case QEMU_OPTION_balloon:
2479 if (balloon_parse(optarg) < 0) {
2480 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2484 case QEMU_OPTION_no_reboot:
2487 case QEMU_OPTION_no_shutdown:
2490 case QEMU_OPTION_show_cursor:
2493 case QEMU_OPTION_uuid:
2494 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2495 fprintf(stderr, "Fail to parse UUID string."
2496 " Wrong format.\n");
2500 case QEMU_OPTION_option_rom:
2501 if (nb_option_roms >= MAX_OPTION_ROMS) {
2502 fprintf(stderr, "Too many option ROMs\n");
2505 option_rom[nb_option_roms] = optarg;
2508 case QEMU_OPTION_semihosting:
2509 semihosting_enabled = 1;
2511 case QEMU_OPTION_name:
2512 qemu_name = qemu_strdup(optarg);
2514 char *p = strchr(qemu_name, ',');
2517 if (strncmp(p, "process=", 8)) {
2518 fprintf(stderr, "Unknown subargument %s to -name", p);
2522 os_set_proc_name(p);
2526 case QEMU_OPTION_prom_env:
2527 if (nb_prom_envs >= MAX_PROM_ENVS) {
2528 fprintf(stderr, "Too many prom variables\n");
2531 prom_envs[nb_prom_envs] = optarg;
2534 case QEMU_OPTION_old_param:
2537 case QEMU_OPTION_clock:
2538 configure_alarms(optarg);
2540 case QEMU_OPTION_startdate:
2541 configure_rtc_date_offset(optarg, 1);
2543 case QEMU_OPTION_rtc:
2544 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
2548 configure_rtc(opts);
2550 case QEMU_OPTION_tb_size:
2551 tb_size = strtol(optarg, NULL, 0);
2555 case QEMU_OPTION_icount:
2556 icount_option = optarg;
2558 case QEMU_OPTION_incoming:
2561 case QEMU_OPTION_nodefaults:
2563 default_parallel = 0;
2564 default_virtcon = 0;
2565 default_monitor = 0;
2572 case QEMU_OPTION_xen_domid:
2573 if (!(xen_available())) {
2574 printf("Option %s not supported for this target\n", popt->name);
2577 xen_domid = atoi(optarg);
2579 case QEMU_OPTION_xen_create:
2580 if (!(xen_available())) {
2581 printf("Option %s not supported for this target\n", popt->name);
2584 xen_mode = XEN_CREATE;
2586 case QEMU_OPTION_xen_attach:
2587 if (!(xen_available())) {
2588 printf("Option %s not supported for this target\n", popt->name);
2591 xen_mode = XEN_ATTACH;
2593 case QEMU_OPTION_readconfig:
2595 int ret = qemu_read_config_file(optarg);
2597 fprintf(stderr, "read config %s: %s\n", optarg,
2603 case QEMU_OPTION_writeconfig:
2606 if (strcmp(optarg, "-") == 0) {
2609 fp = fopen(optarg, "w");
2611 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2615 qemu_config_write(fp);
2620 os_parse_cmd_args(popt->index, optarg);
2626 /* If no data_dir is specified then try to find it relative to the
2629 data_dir = os_find_datadir(argv[0]);
2631 /* If all else fails use the install patch specified when building. */
2633 data_dir = CONFIG_QEMU_DATADIR;
2637 * Default to max_cpus = smp_cpus, in case the user doesn't
2638 * specify a max_cpus value.
2641 max_cpus = smp_cpus;
2643 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2644 if (smp_cpus > machine->max_cpus) {
2645 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2646 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2651 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
2652 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
2654 if (machine->no_serial) {
2657 if (machine->no_parallel) {
2658 default_parallel = 0;
2660 if (!machine->use_virtcon) {
2661 default_virtcon = 0;
2663 if (machine->no_vga) {
2666 if (machine->no_floppy) {
2669 if (machine->no_cdrom) {
2672 if (machine->no_sdcard) {
2676 if (display_type == DT_NOGRAPHIC) {
2677 if (default_parallel)
2678 add_device_config(DEV_PARALLEL, "null");
2679 if (default_serial && default_monitor) {
2680 add_device_config(DEV_SERIAL, "mon:stdio");
2681 } else if (default_virtcon && default_monitor) {
2682 add_device_config(DEV_VIRTCON, "mon:stdio");
2685 add_device_config(DEV_SERIAL, "stdio");
2686 if (default_virtcon)
2687 add_device_config(DEV_VIRTCON, "stdio");
2688 if (default_monitor)
2689 monitor_parse("stdio", "readline");
2693 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2694 if (default_parallel)
2695 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2696 if (default_monitor)
2697 monitor_parse("vc:80Cx24C", "readline");
2698 if (default_virtcon)
2699 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2702 vga_interface_type = VGA_CIRRUS;
2706 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
2708 #ifdef CONFIG_VIRTFS
2709 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
2716 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2722 int ret = kvm_init(smp_cpus);
2724 if (!kvm_available()) {
2725 printf("KVM not supported for this target\n");
2727 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2733 if (qemu_init_main_loop()) {
2734 fprintf(stderr, "qemu_init_main_loop failed\n");
2737 linux_boot = (kernel_filename != NULL);
2739 if (!linux_boot && *kernel_cmdline != '\0') {
2740 fprintf(stderr, "-append only allowed with -kernel option\n");
2744 if (!linux_boot && initrd_filename != NULL) {
2745 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2749 os_set_line_buffering();
2751 if (init_timer_alarm() < 0) {
2752 fprintf(stderr, "could not initialize alarm timer\n");
2755 configure_icount(icount_option);
2757 if (net_init_clients() < 0) {
2761 /* init the bluetooth world */
2762 if (foreach_device_config(DEV_BT, bt_parse))
2765 /* init the memory */
2767 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2769 /* init the dynamic translator */
2770 cpu_exec_init_all(tb_size * 1024 * 1024);
2772 bdrv_init_with_whitelist();
2776 if (default_cdrom) {
2777 /* we always create the cdrom drive, even if no disk is there */
2778 drive_add(NULL, CDROM_ALIAS);
2781 if (default_floppy) {
2782 /* we always create at least one floppy */
2783 drive_add(NULL, FD_ALIAS, 0);
2786 if (default_sdcard) {
2787 /* we always create one sd slot, even if no card is in it */
2788 drive_add(NULL, SD_ALIAS);
2791 /* open the virtual block devices */
2793 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
2794 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
2797 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2800 if (nb_numa_nodes > 0) {
2803 if (nb_numa_nodes > smp_cpus) {
2804 nb_numa_nodes = smp_cpus;
2807 /* If no memory size if given for any node, assume the default case
2808 * and distribute the available memory equally across all nodes
2810 for (i = 0; i < nb_numa_nodes; i++) {
2811 if (node_mem[i] != 0)
2814 if (i == nb_numa_nodes) {
2815 uint64_t usedmem = 0;
2817 /* On Linux, the each node's border has to be 8MB aligned,
2818 * the final node gets the rest.
2820 for (i = 0; i < nb_numa_nodes - 1; i++) {
2821 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2822 usedmem += node_mem[i];
2824 node_mem[i] = ram_size - usedmem;
2827 for (i = 0; i < nb_numa_nodes; i++) {
2828 if (node_cpumask[i] != 0)
2831 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2832 * must cope with this anyway, because there are BIOSes out there in
2833 * real machines which also use this scheme.
2835 if (i == nb_numa_nodes) {
2836 for (i = 0; i < smp_cpus; i++) {
2837 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2842 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
2846 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2848 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2850 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2852 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2855 module_call_init(MODULE_INIT_DEVICE);
2857 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
2861 i = select_watchdog(watchdog);
2863 exit (i == 1 ? 1 : 0);
2866 if (machine->compat_props) {
2867 qdev_prop_register_global_list(machine->compat_props);
2871 machine->init(ram_size, boot_devices,
2872 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2874 cpu_synchronize_all_post_init();
2876 /* must be after terminal init, SDL library changes signal handlers */
2877 os_setup_signal_handling();
2881 current_machine = machine;
2883 /* init USB devices */
2885 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2889 /* init generic devices */
2890 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
2893 net_check_clients();
2895 /* just use the first displaystate for the moment */
2896 ds = get_displaystate();
2898 if (display_type == DT_DEFAULT) {
2899 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2900 display_type = DT_SDL;
2902 display_type = DT_VNC;
2903 vnc_display = "localhost:0,to=99";
2909 switch (display_type) {
2912 #if defined(CONFIG_CURSES)
2914 curses_display_init(ds, full_screen);
2917 #if defined(CONFIG_SDL)
2919 sdl_display_init(ds, full_screen, no_frame);
2921 #elif defined(CONFIG_COCOA)
2923 cocoa_display_init(ds, full_screen);
2927 vnc_display_init(ds);
2928 if (vnc_display_open(ds, vnc_display) < 0)
2931 if (show_vnc_port) {
2932 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2940 dcl = ds->listeners;
2941 while (dcl != NULL) {
2942 if (dcl->dpy_refresh != NULL) {
2943 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2944 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2950 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
2951 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2952 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2955 text_consoles_set_display(ds);
2957 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2958 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2963 qdev_machine_creation_done();
2965 if (rom_load_all() != 0) {
2966 fprintf(stderr, "rom loading failed\n");
2970 qemu_system_reset();
2972 if (load_vmstate(loadvm) < 0) {
2978 int ret = qemu_start_incoming_migration(incoming);
2980 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2984 } else if (autostart) {