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
31 #include "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv, NULL);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
61 #include "qemu/sockets.h"
63 #include "hw/boards.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
122 #define DEFAULT_RAM_SIZE 128
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 NICInfo nd_table[MAX_NICS];
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
148 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
161 const char *vnc_display;
163 int acpi_enabled = 1;
166 static int no_reboot;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int semihosting_enabled = 0;
175 const char *qemu_name;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
186 typedef struct FWBootEntry FWBootEntry;
189 QTAILQ_ENTRY(FWBootEntry) link;
195 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
196 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
200 NodeInfo numa_info[MAX_NODES];
202 uint8_t qemu_uuid[16];
205 static QEMUBootSetHandler *boot_set_handler;
206 static void *boot_set_opaque;
208 static NotifierList exit_notifiers =
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
211 static NotifierList machine_init_done_notifiers =
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
214 static bool tcg_allowed = true;
217 enum xen_mode xen_mode = XEN_EMULATE;
218 static int tcg_tb_size;
220 static int has_defaults = 1;
221 static int default_serial = 1;
222 static int default_parallel = 1;
223 static int default_virtcon = 1;
224 static int default_sclp = 1;
225 static int default_monitor = 1;
226 static int default_floppy = 1;
227 static int default_cdrom = 1;
228 static int default_sdcard = 1;
229 static int default_vga = 1;
235 { .driver = "isa-serial", .flag = &default_serial },
236 { .driver = "isa-parallel", .flag = &default_parallel },
237 { .driver = "isa-fdc", .flag = &default_floppy },
238 { .driver = "ide-cd", .flag = &default_cdrom },
239 { .driver = "ide-hd", .flag = &default_cdrom },
240 { .driver = "ide-drive", .flag = &default_cdrom },
241 { .driver = "scsi-cd", .flag = &default_cdrom },
242 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
243 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
244 { .driver = "virtio-serial", .flag = &default_virtcon },
245 { .driver = "VGA", .flag = &default_vga },
246 { .driver = "isa-vga", .flag = &default_vga },
247 { .driver = "cirrus-vga", .flag = &default_vga },
248 { .driver = "isa-cirrus-vga", .flag = &default_vga },
249 { .driver = "vmware-svga", .flag = &default_vga },
250 { .driver = "qxl-vga", .flag = &default_vga },
253 static QemuOptsList qemu_rtc_opts = {
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
259 .type = QEMU_OPT_STRING,
262 .type = QEMU_OPT_STRING,
265 .type = QEMU_OPT_STRING,
267 { /* end of list */ }
271 static QemuOptsList qemu_sandbox_opts = {
273 .implied_opt_name = "enable",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
278 .type = QEMU_OPT_BOOL,
280 { /* end of list */ }
284 static QemuOptsList qemu_trace_opts = {
286 .implied_opt_name = "trace",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
291 .type = QEMU_OPT_STRING,
294 .type = QEMU_OPT_STRING,
296 { /* end of list */ }
300 static QemuOptsList qemu_option_rom_opts = {
301 .name = "option-rom",
302 .implied_opt_name = "romfile",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
307 .type = QEMU_OPT_NUMBER,
310 .type = QEMU_OPT_STRING,
312 { /* end of list */ }
316 static QemuOptsList qemu_machine_opts = {
318 .implied_opt_name = "type",
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
324 .type = QEMU_OPT_STRING,
325 .help = "emulated machine"
328 .type = QEMU_OPT_STRING,
329 .help = "accelerator list",
331 .name = "kernel_irqchip",
332 .type = QEMU_OPT_BOOL,
333 .help = "use KVM in-kernel irqchip",
335 .name = "kvm_shadow_mem",
336 .type = QEMU_OPT_SIZE,
337 .help = "KVM shadow MMU size",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux kernel image file",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux initial ramdisk file",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux kernel command line",
352 .type = QEMU_OPT_STRING,
353 .help = "Linux kernel device tree file",
356 .type = QEMU_OPT_STRING,
357 .help = "Dump current dtb to a file and quit",
359 .name = "phandle_start",
360 .type = QEMU_OPT_NUMBER,
361 .help = "The first phandle ID we may generate dynamically",
363 .name = "dt_compatible",
364 .type = QEMU_OPT_STRING,
365 .help = "Overrides the \"compatible\" property of the dt root node",
367 .name = "dump-guest-core",
368 .type = QEMU_OPT_BOOL,
369 .help = "Include guest memory in a core dump",
372 .type = QEMU_OPT_BOOL,
373 .help = "enable/disable memory merge support",
376 .type = QEMU_OPT_BOOL,
377 .help = "Set on/off to enable/disable usb",
380 .type = QEMU_OPT_STRING,
381 .help = "firmware image",
384 .type = QEMU_OPT_STRING,
385 .help = "Specifies the KVM virtualization mode (HV, PR)",
387 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
388 .type = QEMU_OPT_SIZE,
389 .help = "maximum ram below the 4G boundary (32bit boundary)",
391 { /* End of list */ }
395 static QemuOptsList qemu_boot_opts = {
397 .implied_opt_name = "order",
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
403 .type = QEMU_OPT_STRING,
406 .type = QEMU_OPT_STRING,
409 .type = QEMU_OPT_BOOL,
412 .type = QEMU_OPT_STRING,
414 .name = "splash-time",
415 .type = QEMU_OPT_STRING,
417 .name = "reboot-timeout",
418 .type = QEMU_OPT_STRING,
421 .type = QEMU_OPT_BOOL,
427 static QemuOptsList qemu_add_fd_opts = {
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
433 .type = QEMU_OPT_NUMBER,
434 .help = "file descriptor of which a duplicate is added to fd set",
437 .type = QEMU_OPT_NUMBER,
438 .help = "ID of the fd set to add fd to",
441 .type = QEMU_OPT_STRING,
442 .help = "free-form string used to describe fd",
444 { /* end of list */ }
448 static QemuOptsList qemu_object_opts = {
450 .implied_opt_name = "qom-type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
457 static QemuOptsList qemu_tpmdev_opts = {
459 .implied_opt_name = "type",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
462 /* options are defined in the TPM backends */
463 { /* end of list */ }
467 static QemuOptsList qemu_realtime_opts = {
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
473 .type = QEMU_OPT_BOOL,
475 { /* end of list */ }
479 static QemuOptsList qemu_msg_opts = {
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
485 .type = QEMU_OPT_BOOL,
487 { /* end of list */ }
491 static QemuOptsList qemu_name_opts = {
493 .implied_opt_name = "guest",
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the guest.\n"
501 "This name will be displayed in the SDL window caption.\n"
502 "The name will also be used for the VNC server",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets the name of the QEMU process, as shown in top etc",
508 .name = "debug-threads",
509 .type = QEMU_OPT_BOOL,
510 .help = "When enabled, name the individual threads; defaults off.\n"
511 "NOTE: The thread names are for debugging and not a\n"
514 { /* End of list */ }
518 static QemuOptsList qemu_mem_opts = {
520 .implied_opt_name = "size",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
526 .type = QEMU_OPT_SIZE,
530 .type = QEMU_OPT_NUMBER,
534 .type = QEMU_OPT_SIZE,
536 { /* end of list */ }
541 * Get machine options
543 * Returns: machine options (never null).
545 QemuOpts *qemu_get_machine_opts(void)
547 return qemu_find_opts_singleton("machine");
550 const char *qemu_get_vm_name(void)
555 static void res_free(void)
557 if (boot_splash_filedata != NULL) {
558 g_free(boot_splash_filedata);
559 boot_splash_filedata = NULL;
563 static int default_driver_check(QemuOpts *opts, void *opaque)
565 const char *driver = qemu_opt_get(opts, "driver");
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
573 *(default_list[i].flag) = 0;
578 /***********************************************************/
581 static RunState current_run_state = RUN_STATE_PRELAUNCH;
583 /* We use RUN_STATE_MAX but any invalid value will do */
584 static RunState vmstop_requested = RUN_STATE_MAX;
585 static QemuMutex vmstop_lock;
590 } RunStateTransition;
592 static const RunStateTransition runstate_transitions_def[] = {
594 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
595 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
598 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
604 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
621 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
622 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
623 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
624 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
625 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
627 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
628 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
629 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
630 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
632 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
634 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
635 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
643 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
646 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_MAX, RUN_STATE_MAX },
651 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
653 bool runstate_check(RunState state)
655 return current_run_state == state;
658 static void runstate_init(void)
660 const RunStateTransition *p;
662 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
663 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
664 runstate_valid_transitions[p->from][p->to] = true;
667 qemu_mutex_init(&vmstop_lock);
670 /* This function will abort() on invalid state transitions */
671 void runstate_set(RunState new_state)
673 assert(new_state < RUN_STATE_MAX);
675 if (!runstate_valid_transitions[current_run_state][new_state]) {
676 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
677 RunState_lookup[current_run_state],
678 RunState_lookup[new_state]);
681 trace_runstate_set(new_state);
682 current_run_state = new_state;
685 int runstate_is_running(void)
687 return runstate_check(RUN_STATE_RUNNING);
690 bool runstate_needs_reset(void)
692 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
693 runstate_check(RUN_STATE_SHUTDOWN);
696 StatusInfo *qmp_query_status(Error **errp)
698 StatusInfo *info = g_malloc0(sizeof(*info));
700 info->running = runstate_is_running();
701 info->singlestep = singlestep;
702 info->status = current_run_state;
707 static bool qemu_vmstop_requested(RunState *r)
709 qemu_mutex_lock(&vmstop_lock);
710 *r = vmstop_requested;
711 vmstop_requested = RUN_STATE_MAX;
712 qemu_mutex_unlock(&vmstop_lock);
713 return *r < RUN_STATE_MAX;
716 void qemu_system_vmstop_request_prepare(void)
718 qemu_mutex_lock(&vmstop_lock);
721 void qemu_system_vmstop_request(RunState state)
723 vmstop_requested = state;
724 qemu_mutex_unlock(&vmstop_lock);
732 qemu_vmstop_requested(&requested);
733 if (runstate_is_running() && requested == RUN_STATE_MAX) {
737 /* Ensure that a STOP/RESUME pair of events is emitted if a
738 * vmstop request was pending. The BLOCK_IO_ERROR event, for
739 * example, according to documentation is always followed by
742 if (runstate_is_running()) {
743 qapi_event_send_stop(&error_abort);
746 runstate_set(RUN_STATE_RUNNING);
747 vm_state_notify(1, RUN_STATE_RUNNING);
751 qapi_event_send_resume(&error_abort);
755 /***********************************************************/
756 /* real time host monotonic timer */
758 /***********************************************************/
759 /* host time/date access */
760 void qemu_get_timedate(struct tm *tm, int offset)
766 if (rtc_date_offset == -1) {
770 localtime_r(&ti, tm);
772 ti -= rtc_date_offset;
777 int qemu_timedate_diff(struct tm *tm)
781 if (rtc_date_offset == -1)
783 seconds = mktimegm(tm);
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
790 seconds = mktimegm(tm) + rtc_date_offset;
792 return seconds - time(NULL);
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
797 time_t rtc_start_date;
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
811 } else if (sscanf(startdate, "%d-%d-%d",
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
830 rtc_date_offset = time(NULL) - rtc_start_date;
834 static void configure_rtc(QemuOpts *opts)
838 value = qemu_opt_get(opts, "base");
840 if (!strcmp(value, "utc")) {
842 } else if (!strcmp(value, "localtime")) {
845 configure_rtc_date_offset(value, 0);
848 value = qemu_opt_get(opts, "clock");
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
861 value = qemu_opt_get(opts, "driftfix");
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
870 { /* end of list */ }
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 /***********************************************************/
884 /* Bluetooth support */
887 static struct HCIInfo *hci_table[MAX_NICS];
889 struct HCIInfo *qemu_next_hci(void)
891 if (cur_hci == nb_hcis)
894 return hci_table[cur_hci++];
897 static int bt_hci_parse(const char *str)
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
919 hci_table[nb_hcis++] = hci;
924 static void bt_vhci_add(int vlan_id)
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
932 bt_vhci_init(bt_new_hci(vlan));
935 static struct bt_device_s *bt_device_add(const char *opt)
937 struct bt_scatternet_s *vlan;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
946 vlan_id = strtol(endp + 6, &endp, 0);
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
953 vlan = qemu_find_bt_vlan(vlan_id);
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
966 static int bt_parse(const char *opt)
968 const char *endp, *p;
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
974 if (!strstart(endp, ",vlan=", 0))
977 return bt_hci_parse(opt);
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1005 static int parse_sandbox(QemuOpts *opts, void *opaque)
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1012 "failed to install seccomp syscall filter in the kernel");
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "sandboxing request but seccomp is not compiled into this build");
1025 static int parse_name(QemuOpts *opts, void *opaque)
1027 const char *proc_name;
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1032 qemu_name = qemu_opt_get(opts, "guest");
1034 proc_name = qemu_opt_get(opts, "process");
1036 os_set_proc_name(proc_name);
1042 bool usb_enabled(bool default_usb)
1044 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1045 has_defaults && default_usb);
1049 static int parse_add_fd(QemuOpts *opts, void *opaque)
1051 int fd, dupfd, flags;
1053 const char *fd_opaque = NULL;
1055 fd = qemu_opt_get_number(opts, "fd", -1);
1056 fdset_id = qemu_opt_get_number(opts, "set", -1);
1057 fd_opaque = qemu_opt_get(opts, "opaque");
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "fd option is required and must be non-negative");
1065 if (fd <= STDERR_FILENO) {
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1067 "fd cannot be a standard I/O stream");
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1078 "fd is not valid or already in use");
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "set option is required and must be non-negative");
1088 #ifdef F_DUPFD_CLOEXEC
1089 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1093 qemu_set_cloexec(dupfd);
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "Error duplicating fd: %s", strerror(errno));
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1109 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1113 fd = qemu_opt_get_number(opts, "fd", -1);
1120 /***********************************************************/
1121 /* QEMU Block devices */
1123 #define HD_OPTS "media=disk"
1124 #define CDROM_OPTS "media=cdrom"
1126 #define PFLASH_OPTS ""
1130 static int drive_init_func(QemuOpts *opts, void *opaque)
1132 BlockInterfaceType *block_default_type = opaque;
1134 return drive_new(opts, *block_default_type) == NULL;
1137 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1139 if (NULL == qemu_opt_get(opts, "snapshot")) {
1140 qemu_opt_set(opts, "snapshot", "on");
1145 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1146 int index, const char *optstr)
1150 if (!enable || drive_get_by_index(type, index)) {
1154 opts = drive_add(type, index, NULL, optstr);
1156 drive_enable_snapshot(opts, NULL);
1158 if (!drive_new(opts, type)) {
1163 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1165 boot_set_handler = func;
1166 boot_set_opaque = opaque;
1169 int qemu_boot_set(const char *boot_order)
1171 if (!boot_set_handler) {
1174 return boot_set_handler(boot_set_opaque, boot_order);
1177 static void validate_bootdevices(const char *devices)
1179 /* We just do some generic consistency checks */
1183 for (p = devices; *p != '\0'; p++) {
1184 /* Allowed boot devices are:
1185 * a-b: floppy disk drives
1186 * c-f: IDE disk drives
1187 * g-m: machine implementation dependent drives
1188 * n-p: network devices
1189 * It's up to each machine implementation to check if the given boot
1190 * devices match the actual hardware implementation and firmware
1193 if (*p < 'a' || *p > 'p') {
1194 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1197 if (bitmap & (1 << (*p - 'a'))) {
1198 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1201 bitmap |= 1 << (*p - 'a');
1205 static void restore_boot_order(void *opaque)
1207 char *normal_boot_order = opaque;
1208 static int first = 1;
1210 /* Restore boot order and remove ourselves after the first boot */
1216 qemu_boot_set(normal_boot_order);
1218 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1219 g_free(normal_boot_order);
1222 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1225 FWBootEntry *node, *i;
1227 if (bootindex < 0) {
1231 assert(dev != NULL || suffix != NULL);
1233 node = g_malloc0(sizeof(FWBootEntry));
1234 node->bootindex = bootindex;
1235 node->suffix = g_strdup(suffix);
1238 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1239 if (i->bootindex == bootindex) {
1240 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1242 } else if (i->bootindex < bootindex) {
1245 QTAILQ_INSERT_BEFORE(i, node, link);
1248 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1251 DeviceState *get_boot_device(uint32_t position)
1253 uint32_t counter = 0;
1254 FWBootEntry *i = NULL;
1255 DeviceState *res = NULL;
1257 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1258 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1259 if (counter == position) {
1270 * This function returns null terminated string that consist of new line
1271 * separated device paths.
1273 * memory pointed by "size" is assigned total length of the array in bytes
1276 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1282 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1283 char *devpath = NULL, *bootpath;
1287 devpath = qdev_get_fw_dev_path(i->dev);
1291 if (i->suffix && !ignore_suffixes && devpath) {
1292 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1294 bootpath = g_malloc(bootpathlen);
1295 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1297 } else if (devpath) {
1299 } else if (!ignore_suffixes) {
1301 bootpath = g_strdup(i->suffix);
1303 bootpath = g_strdup("");
1307 list[total-1] = '\n';
1309 len = strlen(bootpath) + 1;
1310 list = g_realloc(list, total + len);
1311 memcpy(&list[total], bootpath, len);
1318 if (boot_strict && *size > 0) {
1319 list[total-1] = '\n';
1320 list = g_realloc(list, total + 5);
1321 memcpy(&list[total], "HALT", 5);
1327 static QemuOptsList qemu_smp_opts = {
1329 .implied_opt_name = "cpus",
1330 .merge_lists = true,
1331 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1335 .type = QEMU_OPT_NUMBER,
1338 .type = QEMU_OPT_NUMBER,
1341 .type = QEMU_OPT_NUMBER,
1344 .type = QEMU_OPT_NUMBER,
1347 .type = QEMU_OPT_NUMBER,
1349 { /*End of list */ }
1353 static void smp_parse(QemuOpts *opts)
1357 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1358 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1359 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1360 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1362 /* compute missing values, prefer sockets over cores over threads */
1363 if (cpus == 0 || sockets == 0) {
1364 sockets = sockets > 0 ? sockets : 1;
1365 cores = cores > 0 ? cores : 1;
1366 threads = threads > 0 ? threads : 1;
1368 cpus = cores * threads * sockets;
1372 threads = threads > 0 ? threads : 1;
1373 cores = cpus / (sockets * threads);
1375 threads = cpus / (cores * sockets);
1379 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1382 smp_cores = cores > 0 ? cores : 1;
1383 smp_threads = threads > 0 ? threads : 1;
1387 if (max_cpus == 0) {
1388 max_cpus = smp_cpus;
1391 if (max_cpus > MAX_CPUMASK_BITS) {
1392 fprintf(stderr, "Unsupported number of maxcpus\n");
1395 if (max_cpus < smp_cpus) {
1396 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1402 static void configure_realtime(QemuOpts *opts)
1406 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1409 if (os_mlock() < 0) {
1410 fprintf(stderr, "qemu: locking memory failed\n");
1417 static void configure_msg(QemuOpts *opts)
1419 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1422 /***********************************************************/
1425 static int usb_device_add(const char *devname)
1427 USBDevice *dev = NULL;
1428 #ifndef CONFIG_LINUX
1432 if (!usb_enabled(false)) {
1436 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1437 dev = usbdevice_create(devname);
1441 /* the other ones */
1442 #ifndef CONFIG_LINUX
1443 /* only the linux version is qdev-ified, usb-bsd still needs this */
1444 if (strstart(devname, "host:", &p)) {
1445 dev = usb_host_device_open(usb_bus_find(-1), p);
1455 static int usb_device_del(const char *devname)
1460 if (strstart(devname, "host:", &p)) {
1464 if (!usb_enabled(false)) {
1468 p = strchr(devname, '.');
1471 bus_num = strtoul(devname, NULL, 0);
1472 addr = strtoul(p + 1, NULL, 0);
1474 return usb_device_delete_addr(bus_num, addr);
1477 static int usb_parse(const char *cmdline)
1480 r = usb_device_add(cmdline);
1482 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1487 void do_usb_add(Monitor *mon, const QDict *qdict)
1489 const char *devname = qdict_get_str(qdict, "devname");
1490 if (usb_device_add(devname) < 0) {
1491 error_report("could not add USB device '%s'", devname);
1495 void do_usb_del(Monitor *mon, const QDict *qdict)
1497 const char *devname = qdict_get_str(qdict, "devname");
1498 if (usb_device_del(devname) < 0) {
1499 error_report("could not delete USB device '%s'", devname);
1503 /***********************************************************/
1504 /* PCMCIA/Cardbus */
1506 static struct pcmcia_socket_entry_s {
1507 PCMCIASocket *socket;
1508 struct pcmcia_socket_entry_s *next;
1509 } *pcmcia_sockets = 0;
1511 void pcmcia_socket_register(PCMCIASocket *socket)
1513 struct pcmcia_socket_entry_s *entry;
1515 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1516 entry->socket = socket;
1517 entry->next = pcmcia_sockets;
1518 pcmcia_sockets = entry;
1521 void pcmcia_socket_unregister(PCMCIASocket *socket)
1523 struct pcmcia_socket_entry_s *entry, **ptr;
1525 ptr = &pcmcia_sockets;
1526 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1527 if (entry->socket == socket) {
1533 void pcmcia_info(Monitor *mon, const QDict *qdict)
1535 struct pcmcia_socket_entry_s *iter;
1537 if (!pcmcia_sockets)
1538 monitor_printf(mon, "No PCMCIA sockets\n");
1540 for (iter = pcmcia_sockets; iter; iter = iter->next)
1541 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1542 iter->socket->attached ? iter->socket->card_string :
1546 /***********************************************************/
1547 /* machine registration */
1549 MachineState *current_machine;
1551 static void machine_class_init(ObjectClass *oc, void *data)
1553 MachineClass *mc = MACHINE_CLASS(oc);
1554 QEMUMachine *qm = data;
1556 mc->name = qm->name;
1557 mc->alias = qm->alias;
1558 mc->desc = qm->desc;
1559 mc->init = qm->init;
1560 mc->reset = qm->reset;
1561 mc->hot_add_cpu = qm->hot_add_cpu;
1562 mc->kvm_type = qm->kvm_type;
1563 mc->block_default_type = qm->block_default_type;
1564 mc->max_cpus = qm->max_cpus;
1565 mc->no_serial = qm->no_serial;
1566 mc->no_parallel = qm->no_parallel;
1567 mc->use_virtcon = qm->use_virtcon;
1568 mc->use_sclp = qm->use_sclp;
1569 mc->no_floppy = qm->no_floppy;
1570 mc->no_cdrom = qm->no_cdrom;
1571 mc->no_sdcard = qm->no_sdcard;
1572 mc->is_default = qm->is_default;
1573 mc->default_machine_opts = qm->default_machine_opts;
1574 mc->default_boot_order = qm->default_boot_order;
1575 mc->compat_props = qm->compat_props;
1576 mc->hw_version = qm->hw_version;
1579 int qemu_register_machine(QEMUMachine *m)
1581 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1584 .parent = TYPE_MACHINE,
1585 .class_init = machine_class_init,
1586 .class_data = (void *)m,
1595 static MachineClass *find_machine(const char *name)
1597 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1598 MachineClass *mc = NULL;
1600 for (el = machines; el; el = el->next) {
1601 MachineClass *temp = el->data;
1603 if (!strcmp(temp->name, name)) {
1608 !strcmp(temp->alias, name)) {
1614 g_slist_free(machines);
1618 MachineClass *find_default_machine(void)
1620 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1621 MachineClass *mc = NULL;
1623 for (el = machines; el; el = el->next) {
1624 MachineClass *temp = el->data;
1626 if (temp->is_default) {
1632 g_slist_free(machines);
1636 MachineInfoList *qmp_query_machines(Error **errp)
1638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1639 MachineInfoList *mach_list = NULL;
1641 for (el = machines; el; el = el->next) {
1642 MachineClass *mc = el->data;
1643 MachineInfoList *entry;
1646 info = g_malloc0(sizeof(*info));
1647 if (mc->is_default) {
1648 info->has_is_default = true;
1649 info->is_default = true;
1653 info->has_alias = true;
1654 info->alias = g_strdup(mc->alias);
1657 info->name = g_strdup(mc->name);
1658 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1660 entry = g_malloc0(sizeof(*entry));
1661 entry->value = info;
1662 entry->next = mach_list;
1666 g_slist_free(machines);
1670 /***********************************************************/
1671 /* main execution loop */
1673 struct vm_change_state_entry {
1674 VMChangeStateHandler *cb;
1676 QLIST_ENTRY (vm_change_state_entry) entries;
1679 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1681 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1684 VMChangeStateEntry *e;
1686 e = g_malloc0(sizeof (*e));
1690 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1694 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1696 QLIST_REMOVE (e, entries);
1700 void vm_state_notify(int running, RunState state)
1702 VMChangeStateEntry *e;
1704 trace_vm_state_notify(running, state);
1706 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1707 e->cb(e->opaque, running, state);
1711 /* reset/shutdown handler */
1713 typedef struct QEMUResetEntry {
1714 QTAILQ_ENTRY(QEMUResetEntry) entry;
1715 QEMUResetHandler *func;
1719 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1720 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1721 static int reset_requested;
1722 static int shutdown_requested, shutdown_signal = -1;
1723 static pid_t shutdown_pid;
1724 static int powerdown_requested;
1725 static int debug_requested;
1726 static int suspend_requested;
1727 static WakeupReason wakeup_reason;
1728 static NotifierList powerdown_notifiers =
1729 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1730 static NotifierList suspend_notifiers =
1731 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1732 static NotifierList wakeup_notifiers =
1733 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1734 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1736 int qemu_shutdown_requested_get(void)
1738 return shutdown_requested;
1741 int qemu_reset_requested_get(void)
1743 return reset_requested;
1746 static int qemu_shutdown_requested(void)
1748 int r = shutdown_requested;
1749 shutdown_requested = 0;
1753 static void qemu_kill_report(void)
1755 if (!qtest_driver() && shutdown_signal != -1) {
1756 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1757 if (shutdown_pid == 0) {
1758 /* This happens for eg ^C at the terminal, so it's worth
1759 * avoiding printing an odd message in that case.
1761 fputc('\n', stderr);
1763 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1765 shutdown_signal = -1;
1769 static int qemu_reset_requested(void)
1771 int r = reset_requested;
1772 reset_requested = 0;
1776 static int qemu_suspend_requested(void)
1778 int r = suspend_requested;
1779 suspend_requested = 0;
1783 static WakeupReason qemu_wakeup_requested(void)
1785 return wakeup_reason;
1788 static int qemu_powerdown_requested(void)
1790 int r = powerdown_requested;
1791 powerdown_requested = 0;
1795 static int qemu_debug_requested(void)
1797 int r = debug_requested;
1798 debug_requested = 0;
1802 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1804 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1807 re->opaque = opaque;
1808 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1811 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1815 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1816 if (re->func == func && re->opaque == opaque) {
1817 QTAILQ_REMOVE(&reset_handlers, re, entry);
1824 void qemu_devices_reset(void)
1826 QEMUResetEntry *re, *nre;
1828 /* reset all devices */
1829 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1830 re->func(re->opaque);
1834 void qemu_system_reset(bool report)
1838 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1840 if (mc && mc->reset) {
1843 qemu_devices_reset();
1846 qapi_event_send_reset(&error_abort);
1848 cpu_synchronize_all_post_reset();
1851 void qemu_system_reset_request(void)
1854 shutdown_requested = 1;
1856 reset_requested = 1;
1859 qemu_notify_event();
1862 static void qemu_system_suspend(void)
1865 notifier_list_notify(&suspend_notifiers, NULL);
1866 runstate_set(RUN_STATE_SUSPENDED);
1867 qapi_event_send_suspend(&error_abort);
1870 void qemu_system_suspend_request(void)
1872 if (runstate_check(RUN_STATE_SUSPENDED)) {
1875 suspend_requested = 1;
1877 qemu_notify_event();
1880 void qemu_register_suspend_notifier(Notifier *notifier)
1882 notifier_list_add(&suspend_notifiers, notifier);
1885 void qemu_system_wakeup_request(WakeupReason reason)
1887 trace_system_wakeup_request(reason);
1889 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1892 if (!(wakeup_reason_mask & (1 << reason))) {
1895 runstate_set(RUN_STATE_RUNNING);
1896 wakeup_reason = reason;
1897 qemu_notify_event();
1900 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1903 wakeup_reason_mask |= (1 << reason);
1905 wakeup_reason_mask &= ~(1 << reason);
1909 void qemu_register_wakeup_notifier(Notifier *notifier)
1911 notifier_list_add(&wakeup_notifiers, notifier);
1914 void qemu_system_killed(int signal, pid_t pid)
1916 shutdown_signal = signal;
1919 qemu_system_shutdown_request();
1922 void qemu_system_shutdown_request(void)
1924 trace_qemu_system_shutdown_request();
1925 shutdown_requested = 1;
1926 qemu_notify_event();
1929 static void qemu_system_powerdown(void)
1931 qapi_event_send_powerdown(&error_abort);
1932 notifier_list_notify(&powerdown_notifiers, NULL);
1935 void qemu_system_powerdown_request(void)
1937 trace_qemu_system_powerdown_request();
1938 powerdown_requested = 1;
1939 qemu_notify_event();
1942 void qemu_register_powerdown_notifier(Notifier *notifier)
1944 notifier_list_add(&powerdown_notifiers, notifier);
1947 void qemu_system_debug_request(void)
1949 debug_requested = 1;
1950 qemu_notify_event();
1953 static bool main_loop_should_exit(void)
1956 if (qemu_debug_requested()) {
1957 vm_stop(RUN_STATE_DEBUG);
1959 if (qemu_suspend_requested()) {
1960 qemu_system_suspend();
1962 if (qemu_shutdown_requested()) {
1964 qapi_event_send_shutdown(&error_abort);
1966 vm_stop(RUN_STATE_SHUTDOWN);
1971 if (qemu_reset_requested()) {
1973 cpu_synchronize_all_states();
1974 qemu_system_reset(VMRESET_REPORT);
1976 if (runstate_needs_reset()) {
1977 runstate_set(RUN_STATE_PAUSED);
1980 if (qemu_wakeup_requested()) {
1982 cpu_synchronize_all_states();
1983 qemu_system_reset(VMRESET_SILENT);
1984 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1985 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1987 qapi_event_send_wakeup(&error_abort);
1989 if (qemu_powerdown_requested()) {
1990 qemu_system_powerdown();
1992 if (qemu_vmstop_requested(&r)) {
1998 static void main_loop(void)
2002 #ifdef CONFIG_PROFILER
2006 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2007 #ifdef CONFIG_PROFILER
2008 ti = profile_getclock();
2010 last_io = main_loop_wait(nonblocking);
2011 #ifdef CONFIG_PROFILER
2012 dev_time += profile_getclock() - ti;
2014 } while (!main_loop_should_exit());
2017 static void version(void)
2019 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2022 static void help(int exitcode)
2025 printf("usage: %s [options] [disk_image]\n\n"
2026 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2027 error_get_progname());
2029 #define QEMU_OPTIONS_GENERATE_HELP
2030 #include "qemu-options-wrapper.h"
2032 printf("\nDuring emulation, the following keys are useful:\n"
2033 "ctrl-alt-f toggle full screen\n"
2034 "ctrl-alt-n switch to virtual console 'n'\n"
2035 "ctrl-alt toggle mouse and keyboard grab\n"
2037 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2042 #define HAS_ARG 0x0001
2044 typedef struct QEMUOption {
2051 static const QEMUOption qemu_options[] = {
2052 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2053 #define QEMU_OPTIONS_GENERATE_OPTIONS
2054 #include "qemu-options-wrapper.h"
2058 static bool vga_available(void)
2060 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2063 static bool cirrus_vga_available(void)
2065 return object_class_by_name("cirrus-vga")
2066 || object_class_by_name("isa-cirrus-vga");
2069 static bool vmware_vga_available(void)
2071 return object_class_by_name("vmware-svga");
2074 static bool qxl_vga_available(void)
2076 return object_class_by_name("qxl-vga");
2079 static bool tcx_vga_available(void)
2081 return object_class_by_name("SUNW,tcx");
2084 static bool cg3_vga_available(void)
2086 return object_class_by_name("cgthree");
2089 static void select_vgahw (const char *p)
2093 assert(vga_interface_type == VGA_NONE);
2094 if (strstart(p, "std", &opts)) {
2095 if (vga_available()) {
2096 vga_interface_type = VGA_STD;
2098 fprintf(stderr, "Error: standard VGA not available\n");
2101 } else if (strstart(p, "cirrus", &opts)) {
2102 if (cirrus_vga_available()) {
2103 vga_interface_type = VGA_CIRRUS;
2105 fprintf(stderr, "Error: Cirrus VGA not available\n");
2108 } else if (strstart(p, "vmware", &opts)) {
2109 if (vmware_vga_available()) {
2110 vga_interface_type = VGA_VMWARE;
2112 fprintf(stderr, "Error: VMWare SVGA not available\n");
2115 } else if (strstart(p, "xenfb", &opts)) {
2116 vga_interface_type = VGA_XENFB;
2117 } else if (strstart(p, "qxl", &opts)) {
2118 if (qxl_vga_available()) {
2119 vga_interface_type = VGA_QXL;
2121 fprintf(stderr, "Error: QXL VGA not available\n");
2124 } else if (strstart(p, "tcx", &opts)) {
2125 if (tcx_vga_available()) {
2126 vga_interface_type = VGA_TCX;
2128 fprintf(stderr, "Error: TCX framebuffer not available\n");
2131 } else if (strstart(p, "cg3", &opts)) {
2132 if (cg3_vga_available()) {
2133 vga_interface_type = VGA_CG3;
2135 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2138 } else if (!strstart(p, "none", &opts)) {
2140 fprintf(stderr, "Unknown vga type: %s\n", p);
2144 const char *nextopt;
2146 if (strstart(opts, ",retrace=", &nextopt)) {
2148 if (strstart(opts, "dumb", &nextopt))
2149 vga_retrace_method = VGA_RETRACE_DUMB;
2150 else if (strstart(opts, "precise", &nextopt))
2151 vga_retrace_method = VGA_RETRACE_PRECISE;
2152 else goto invalid_vga;
2153 } else goto invalid_vga;
2158 static DisplayType select_display(const char *p)
2161 DisplayType display = DT_DEFAULT;
2163 if (strstart(p, "sdl", &opts)) {
2167 const char *nextopt;
2169 if (strstart(opts, ",frame=", &nextopt)) {
2171 if (strstart(opts, "on", &nextopt)) {
2173 } else if (strstart(opts, "off", &nextopt)) {
2176 goto invalid_sdl_args;
2178 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2180 if (strstart(opts, "on", &nextopt)) {
2182 } else if (strstart(opts, "off", &nextopt)) {
2185 goto invalid_sdl_args;
2187 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2189 if (strstart(opts, "on", &nextopt)) {
2191 } else if (strstart(opts, "off", &nextopt)) {
2194 goto invalid_sdl_args;
2196 } else if (strstart(opts, ",window_close=", &nextopt)) {
2198 if (strstart(opts, "on", &nextopt)) {
2200 } else if (strstart(opts, "off", &nextopt)) {
2203 goto invalid_sdl_args;
2207 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2213 fprintf(stderr, "SDL support is disabled\n");
2216 } else if (strstart(p, "vnc", &opts)) {
2221 const char *nextopt;
2223 if (strstart(opts, "=", &nextopt)) {
2224 vnc_display = nextopt;
2228 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2232 fprintf(stderr, "VNC support is disabled\n");
2235 } else if (strstart(p, "curses", &opts)) {
2236 #ifdef CONFIG_CURSES
2237 display = DT_CURSES;
2239 fprintf(stderr, "Curses support is disabled\n");
2242 } else if (strstart(p, "gtk", &opts)) {
2246 const char *nextopt;
2248 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2250 if (strstart(opts, "on", &nextopt)) {
2251 grab_on_hover = true;
2252 } else if (strstart(opts, "off", &nextopt)) {
2253 grab_on_hover = false;
2255 goto invalid_gtk_args;
2259 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2265 fprintf(stderr, "GTK support is disabled\n");
2268 } else if (strstart(p, "none", &opts)) {
2271 fprintf(stderr, "Unknown display type: %s\n", p);
2278 static int balloon_parse(const char *arg)
2282 if (strcmp(arg, "none") == 0) {
2286 if (!strncmp(arg, "virtio", 6)) {
2287 if (arg[6] == ',') {
2288 /* have params -> parse them */
2289 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2293 /* create empty opts */
2294 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2297 qemu_opt_set(opts, "driver", "virtio-balloon");
2304 char *qemu_find_file(int type, const char *name)
2310 /* Try the name as a straight path first */
2311 if (access(name, R_OK) == 0) {
2312 trace_load_file(name, name);
2313 return g_strdup(name);
2317 case QEMU_FILE_TYPE_BIOS:
2320 case QEMU_FILE_TYPE_KEYMAP:
2321 subdir = "keymaps/";
2327 for (i = 0; i < data_dir_idx; i++) {
2328 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2329 if (access(buf, R_OK) == 0) {
2330 trace_load_file(name, buf);
2338 static int device_help_func(QemuOpts *opts, void *opaque)
2340 return qdev_device_help(opts);
2343 static int device_init_func(QemuOpts *opts, void *opaque)
2347 dev = qdev_device_add(opts);
2350 object_unref(OBJECT(dev));
2354 static int chardev_init_func(QemuOpts *opts, void *opaque)
2356 Error *local_err = NULL;
2358 qemu_chr_new_from_opts(opts, NULL, &local_err);
2360 error_report("%s", error_get_pretty(local_err));
2361 error_free(local_err);
2367 #ifdef CONFIG_VIRTFS
2368 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2371 ret = qemu_fsdev_add(opts);
2377 static int mon_init_func(QemuOpts *opts, void *opaque)
2379 CharDriverState *chr;
2380 const char *chardev;
2384 mode = qemu_opt_get(opts, "mode");
2388 if (strcmp(mode, "readline") == 0) {
2389 flags = MONITOR_USE_READLINE;
2390 } else if (strcmp(mode, "control") == 0) {
2391 flags = MONITOR_USE_CONTROL;
2393 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2397 if (qemu_opt_get_bool(opts, "pretty", 0))
2398 flags |= MONITOR_USE_PRETTY;
2400 if (qemu_opt_get_bool(opts, "default", 0))
2401 flags |= MONITOR_IS_DEFAULT;
2403 chardev = qemu_opt_get(opts, "chardev");
2404 chr = qemu_chr_find(chardev);
2406 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2410 qemu_chr_fe_claim_no_fail(chr);
2411 monitor_init(chr, flags);
2415 static void monitor_parse(const char *optarg, const char *mode)
2417 static int monitor_device_index = 0;
2423 if (strstart(optarg, "chardev:", &p)) {
2424 snprintf(label, sizeof(label), "%s", p);
2426 snprintf(label, sizeof(label), "compat_monitor%d",
2427 monitor_device_index);
2428 if (monitor_device_index == 0) {
2431 opts = qemu_chr_parse_compat(label, optarg);
2433 fprintf(stderr, "parse error: %s\n", optarg);
2438 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2440 fprintf(stderr, "duplicate chardev: %s\n", label);
2443 qemu_opt_set(opts, "mode", mode);
2444 qemu_opt_set(opts, "chardev", label);
2446 qemu_opt_set(opts, "default", "on");
2447 monitor_device_index++;
2450 struct device_config {
2452 DEV_USB, /* -usbdevice */
2454 DEV_SERIAL, /* -serial */
2455 DEV_PARALLEL, /* -parallel */
2456 DEV_VIRTCON, /* -virtioconsole */
2457 DEV_DEBUGCON, /* -debugcon */
2458 DEV_GDB, /* -gdb, -s */
2459 DEV_SCLP, /* s390 sclp */
2461 const char *cmdline;
2463 QTAILQ_ENTRY(device_config) next;
2466 static QTAILQ_HEAD(, device_config) device_configs =
2467 QTAILQ_HEAD_INITIALIZER(device_configs);
2469 static void add_device_config(int type, const char *cmdline)
2471 struct device_config *conf;
2473 conf = g_malloc0(sizeof(*conf));
2475 conf->cmdline = cmdline;
2476 loc_save(&conf->loc);
2477 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2480 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2482 struct device_config *conf;
2485 QTAILQ_FOREACH(conf, &device_configs, next) {
2486 if (conf->type != type)
2488 loc_push_restore(&conf->loc);
2489 rc = func(conf->cmdline);
2490 loc_pop(&conf->loc);
2497 static int serial_parse(const char *devname)
2499 static int index = 0;
2502 if (strcmp(devname, "none") == 0)
2504 if (index == MAX_SERIAL_PORTS) {
2505 fprintf(stderr, "qemu: too many serial ports\n");
2508 snprintf(label, sizeof(label), "serial%d", index);
2509 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2510 if (!serial_hds[index]) {
2511 fprintf(stderr, "qemu: could not connect serial device"
2512 " to character backend '%s'\n", devname);
2519 static int parallel_parse(const char *devname)
2521 static int index = 0;
2524 if (strcmp(devname, "none") == 0)
2526 if (index == MAX_PARALLEL_PORTS) {
2527 fprintf(stderr, "qemu: too many parallel ports\n");
2530 snprintf(label, sizeof(label), "parallel%d", index);
2531 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2532 if (!parallel_hds[index]) {
2533 fprintf(stderr, "qemu: could not connect parallel device"
2534 " to character backend '%s'\n", devname);
2541 static int virtcon_parse(const char *devname)
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2546 QemuOpts *bus_opts, *dev_opts;
2548 if (strcmp(devname, "none") == 0)
2550 if (index == MAX_VIRTIO_CONSOLES) {
2551 fprintf(stderr, "qemu: too many virtio consoles\n");
2555 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2556 if (arch_type == QEMU_ARCH_S390X) {
2557 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2559 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole");
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!virtcon_hds[index]) {
2568 fprintf(stderr, "qemu: could not connect virtio console"
2569 " to character backend '%s'\n", devname);
2572 qemu_opt_set(dev_opts, "chardev", label);
2578 static int sclp_parse(const char *devname)
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2585 if (strcmp(devname, "none") == 0) {
2588 if (index == MAX_SCLP_CONSOLES) {
2589 fprintf(stderr, "qemu: too many sclp consoles\n");
2593 assert(arch_type == QEMU_ARCH_S390X);
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2600 if (!sclp_hds[index]) {
2601 fprintf(stderr, "qemu: could not connect sclp console"
2602 " to character backend '%s'\n", devname);
2605 qemu_opt_set(dev_opts, "chardev", label);
2611 static int debugcon_parse(const char *devname)
2615 if (!qemu_chr_new("debugcon", devname, NULL)) {
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2620 fprintf(stderr, "qemu: already have a debugcon device\n");
2623 qemu_opt_set(opts, "driver", "isa-debugcon");
2624 qemu_opt_set(opts, "chardev", "debugcon");
2628 static MachineClass *machine_parse(const char *name)
2630 MachineClass *mc = NULL;
2631 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2634 mc = find_machine(name);
2639 if (name && !is_help_option(name)) {
2640 error_report("Unsupported machine type");
2641 error_printf("Use -machine help to list supported machines!\n");
2643 printf("Supported machines are:\n");
2644 for (el = machines; el; el = el->next) {
2645 MachineClass *mc = el->data;
2647 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2649 printf("%-20s %s%s\n", mc->name, mc->desc,
2650 mc->is_default ? " (default)" : "");
2654 g_slist_free(machines);
2655 exit(!name || !is_help_option(name));
2658 static int tcg_init(MachineClass *mc)
2660 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2665 const char *opt_name;
2667 int (*available)(void);
2668 int (*init)(MachineClass *mc);
2671 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2672 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2673 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2674 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2677 static int configure_accelerator(MachineClass *mc)
2682 bool accel_initialised = false;
2683 bool init_failed = false;
2685 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2687 /* Use the default "accelerator", tcg */
2691 while (!accel_initialised && *p != '\0') {
2695 p = get_opt_name(buf, sizeof (buf), p, ':');
2696 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2697 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2698 if (!accel_list[i].available()) {
2699 printf("%s not supported for this target\n",
2700 accel_list[i].name);
2703 *(accel_list[i].allowed) = true;
2704 ret = accel_list[i].init(mc);
2707 fprintf(stderr, "failed to initialize %s: %s\n",
2710 *(accel_list[i].allowed) = false;
2712 accel_initialised = true;
2717 if (i == ARRAY_SIZE(accel_list)) {
2718 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2722 if (!accel_initialised) {
2724 fprintf(stderr, "No accelerator found!\n");
2730 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2733 return !accel_initialised;
2736 void qemu_add_exit_notifier(Notifier *notify)
2738 notifier_list_add(&exit_notifiers, notify);
2741 void qemu_remove_exit_notifier(Notifier *notify)
2743 notifier_remove(notify);
2746 static void qemu_run_exit_notifiers(void)
2748 notifier_list_notify(&exit_notifiers, NULL);
2751 void qemu_add_machine_init_done_notifier(Notifier *notify)
2753 notifier_list_add(&machine_init_done_notifiers, notify);
2756 static void qemu_run_machine_init_done_notifiers(void)
2758 notifier_list_notify(&machine_init_done_notifiers, NULL);
2761 static const QEMUOption *lookup_opt(int argc, char **argv,
2762 const char **poptarg, int *poptind)
2764 const QEMUOption *popt;
2765 int optind = *poptind;
2766 char *r = argv[optind];
2769 loc_set_cmdline(argv, optind, 1);
2771 /* Treat --foo the same as -foo. */
2774 popt = qemu_options;
2777 error_report("invalid option");
2780 if (!strcmp(popt->name, r + 1))
2784 if (popt->flags & HAS_ARG) {
2785 if (optind >= argc) {
2786 error_report("requires an argument");
2789 optarg = argv[optind++];
2790 loc_set_cmdline(argv, optind - 2, 2);
2801 static gpointer malloc_and_trace(gsize n_bytes)
2803 void *ptr = malloc(n_bytes);
2804 trace_g_malloc(n_bytes, ptr);
2808 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2810 void *ptr = realloc(mem, n_bytes);
2811 trace_g_realloc(mem, n_bytes, ptr);
2815 static void free_and_trace(gpointer mem)
2821 static int object_set_property(const char *name, const char *value, void *opaque)
2823 Object *obj = OBJECT(opaque);
2824 StringInputVisitor *siv;
2825 Error *local_err = NULL;
2827 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2828 strcmp(name, "type") == 0) {
2832 siv = string_input_visitor_new(value);
2833 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2834 string_input_visitor_cleanup(siv);
2837 qerror_report_err(local_err);
2838 error_free(local_err);
2845 static int object_create(QemuOpts *opts, void *opaque)
2854 ov = opts_visitor_new(opts);
2855 pdict = qemu_opts_to_qdict(opts, NULL);
2857 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2862 qdict_del(pdict, "qom-type");
2863 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2868 qdict_del(pdict, "id");
2869 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2874 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2878 visit_end_struct(opts_get_visitor(ov), &err);
2880 qmp_object_del(id, NULL);
2884 opts_visitor_cleanup(ov);
2891 qerror_report_err(err);
2897 int main(int argc, char **argv, char **envp)
2900 int snapshot, linux_boot;
2901 const char *icount_option = NULL;
2902 const char *initrd_filename;
2903 const char *kernel_filename, *kernel_cmdline;
2904 const char *boot_order;
2906 int cyls, heads, secs, translation;
2907 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2908 QemuOptsList *olist;
2911 const char *loadvm = NULL;
2912 MachineClass *machine_class;
2913 const char *cpu_model;
2914 const char *vga_model = NULL;
2915 const char *qtest_chrdev = NULL;
2916 const char *qtest_log = NULL;
2917 const char *pid_file = NULL;
2918 const char *incoming = NULL;
2920 int show_vnc_port = 0;
2922 bool defconfig = true;
2923 bool userconfig = true;
2924 const char *log_mask = NULL;
2925 const char *log_file = NULL;
2926 GMemVTable mem_trace = {
2927 .malloc = malloc_and_trace,
2928 .realloc = realloc_and_trace,
2929 .free = free_and_trace,
2931 const char *trace_events = NULL;
2932 const char *trace_file = NULL;
2933 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2935 ram_addr_t maxram_size = default_ram_size;
2936 uint64_t ram_slots = 0;
2937 FILE *vmstate_dump_file = NULL;
2939 atexit(qemu_run_exit_notifiers);
2940 error_set_progname(argv[0]);
2941 qemu_init_exec_dir(argv[0]);
2943 g_mem_set_vtable(&mem_trace);
2945 module_call_init(MODULE_INIT_QOM);
2947 qemu_add_opts(&qemu_drive_opts);
2948 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2949 qemu_add_drive_opts(&qemu_common_drive_opts);
2950 qemu_add_drive_opts(&qemu_drive_opts);
2951 qemu_add_opts(&qemu_chardev_opts);
2952 qemu_add_opts(&qemu_device_opts);
2953 qemu_add_opts(&qemu_netdev_opts);
2954 qemu_add_opts(&qemu_net_opts);
2955 qemu_add_opts(&qemu_rtc_opts);
2956 qemu_add_opts(&qemu_global_opts);
2957 qemu_add_opts(&qemu_mon_opts);
2958 qemu_add_opts(&qemu_trace_opts);
2959 qemu_add_opts(&qemu_option_rom_opts);
2960 qemu_add_opts(&qemu_machine_opts);
2961 qemu_add_opts(&qemu_mem_opts);
2962 qemu_add_opts(&qemu_smp_opts);
2963 qemu_add_opts(&qemu_boot_opts);
2964 qemu_add_opts(&qemu_sandbox_opts);
2965 qemu_add_opts(&qemu_add_fd_opts);
2966 qemu_add_opts(&qemu_object_opts);
2967 qemu_add_opts(&qemu_tpmdev_opts);
2968 qemu_add_opts(&qemu_realtime_opts);
2969 qemu_add_opts(&qemu_msg_opts);
2970 qemu_add_opts(&qemu_name_opts);
2971 qemu_add_opts(&qemu_numa_opts);
2975 rtc_clock = QEMU_CLOCK_HOST;
2977 QLIST_INIT (&vm_change_state_head);
2978 os_setup_early_signal_handling();
2980 module_call_init(MODULE_INIT_MACHINE);
2981 machine_class = find_default_machine();
2983 ram_size = default_ram_size;
2985 cyls = heads = secs = 0;
2986 translation = BIOS_ATA_TRANSLATION_AUTO;
2988 for (i = 0; i < MAX_NODES; i++) {
2989 numa_info[i].node_mem = 0;
2990 numa_info[i].present = false;
2991 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2995 max_numa_nodeid = 0;
2998 bdrv_init_with_whitelist();
3002 /* first pass of option parsing */
3004 while (optind < argc) {
3005 if (argv[optind][0] != '-') {
3009 const QEMUOption *popt;
3011 popt = lookup_opt(argc, argv, &optarg, &optind);
3012 switch (popt->index) {
3013 case QEMU_OPTION_nodefconfig:
3016 case QEMU_OPTION_nouserconfig:
3025 ret = qemu_read_default_config_files(userconfig);
3031 /* second pass of option parsing */
3036 if (argv[optind][0] != '-') {
3037 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3039 const QEMUOption *popt;
3041 popt = lookup_opt(argc, argv, &optarg, &optind);
3042 if (!(popt->arch_mask & arch_type)) {
3043 printf("Option %s not supported for this target\n", popt->name);
3046 switch(popt->index) {
3048 machine_class = machine_parse(optarg);
3050 case QEMU_OPTION_no_kvm_irqchip: {
3051 olist = qemu_find_opts("machine");
3052 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3055 case QEMU_OPTION_cpu:
3056 /* hw initialization will check this */
3059 case QEMU_OPTION_hda:
3063 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3065 snprintf(buf, sizeof(buf),
3066 "%s,cyls=%d,heads=%d,secs=%d%s",
3067 HD_OPTS , cyls, heads, secs,
3068 translation == BIOS_ATA_TRANSLATION_LBA ?
3070 translation == BIOS_ATA_TRANSLATION_NONE ?
3071 ",trans=none" : "");
3072 drive_add(IF_DEFAULT, 0, optarg, buf);
3075 case QEMU_OPTION_hdb:
3076 case QEMU_OPTION_hdc:
3077 case QEMU_OPTION_hdd:
3078 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3081 case QEMU_OPTION_drive:
3082 if (drive_def(optarg) == NULL) {
3086 case QEMU_OPTION_set:
3087 if (qemu_set_option(optarg) != 0)
3090 case QEMU_OPTION_global:
3091 if (qemu_global_option(optarg) != 0)
3094 case QEMU_OPTION_mtdblock:
3095 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3097 case QEMU_OPTION_sd:
3098 drive_add(IF_SD, -1, optarg, SD_OPTS);
3100 case QEMU_OPTION_pflash:
3101 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3103 case QEMU_OPTION_snapshot:
3106 case QEMU_OPTION_hdachs:
3110 cyls = strtol(p, (char **)&p, 0);
3111 if (cyls < 1 || cyls > 16383)
3116 heads = strtol(p, (char **)&p, 0);
3117 if (heads < 1 || heads > 16)
3122 secs = strtol(p, (char **)&p, 0);
3123 if (secs < 1 || secs > 63)
3127 if (!strcmp(p, "large")) {
3128 translation = BIOS_ATA_TRANSLATION_LARGE;
3129 } else if (!strcmp(p, "rechs")) {
3130 translation = BIOS_ATA_TRANSLATION_RECHS;
3131 } else if (!strcmp(p, "none")) {
3132 translation = BIOS_ATA_TRANSLATION_NONE;
3133 } else if (!strcmp(p, "lba")) {
3134 translation = BIOS_ATA_TRANSLATION_LBA;
3135 } else if (!strcmp(p, "auto")) {
3136 translation = BIOS_ATA_TRANSLATION_AUTO;
3140 } else if (*p != '\0') {
3142 fprintf(stderr, "qemu: invalid physical CHS format\n");
3145 if (hda_opts != NULL) {
3147 snprintf(num, sizeof(num), "%d", cyls);
3148 qemu_opt_set(hda_opts, "cyls", num);
3149 snprintf(num, sizeof(num), "%d", heads);
3150 qemu_opt_set(hda_opts, "heads", num);
3151 snprintf(num, sizeof(num), "%d", secs);
3152 qemu_opt_set(hda_opts, "secs", num);
3153 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3154 qemu_opt_set(hda_opts, "trans", "large");
3155 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3156 qemu_opt_set(hda_opts, "trans", "rechs");
3157 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3158 qemu_opt_set(hda_opts, "trans", "lba");
3159 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3160 qemu_opt_set(hda_opts, "trans", "none");
3165 case QEMU_OPTION_numa:
3166 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3171 case QEMU_OPTION_display:
3172 display_type = select_display(optarg);
3174 case QEMU_OPTION_nographic:
3175 display_type = DT_NOGRAPHIC;
3177 case QEMU_OPTION_curses:
3178 #ifdef CONFIG_CURSES
3179 display_type = DT_CURSES;
3181 fprintf(stderr, "Curses support is disabled\n");
3185 case QEMU_OPTION_portrait:
3186 graphic_rotate = 90;
3188 case QEMU_OPTION_rotate:
3189 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3190 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3191 graphic_rotate != 180 && graphic_rotate != 270) {
3193 "qemu: only 90, 180, 270 deg rotation is available\n");
3197 case QEMU_OPTION_kernel:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3200 case QEMU_OPTION_initrd:
3201 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3203 case QEMU_OPTION_append:
3204 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3206 case QEMU_OPTION_dtb:
3207 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3209 case QEMU_OPTION_cdrom:
3210 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3212 case QEMU_OPTION_boot:
3213 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3218 case QEMU_OPTION_fda:
3219 case QEMU_OPTION_fdb:
3220 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3223 case QEMU_OPTION_no_fd_bootchk:
3226 case QEMU_OPTION_netdev:
3227 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3231 case QEMU_OPTION_net:
3232 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3236 #ifdef CONFIG_LIBISCSI
3237 case QEMU_OPTION_iscsi:
3238 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3245 case QEMU_OPTION_tftp:
3246 legacy_tftp_prefix = optarg;
3248 case QEMU_OPTION_bootp:
3249 legacy_bootp_filename = optarg;
3251 case QEMU_OPTION_redir:
3252 if (net_slirp_redir(optarg) < 0)
3256 case QEMU_OPTION_bt:
3257 add_device_config(DEV_BT, optarg);
3259 case QEMU_OPTION_audio_help:
3263 case QEMU_OPTION_soundhw:
3264 select_soundhw (optarg);
3269 case QEMU_OPTION_version:
3273 case QEMU_OPTION_m: {
3275 const char *mem_str;
3276 const char *maxmem_str, *slots_str;
3278 opts = qemu_opts_parse(qemu_find_opts("memory"),
3284 mem_str = qemu_opt_get(opts, "size");
3286 error_report("invalid -m option, missing 'size' option");
3290 error_report("missing 'size' option value");
3294 sz = qemu_opt_get_size(opts, "size", ram_size);
3296 /* Fix up legacy suffix-less format */
3297 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3298 uint64_t overflow_check = sz;
3301 if ((sz >> 20) != overflow_check) {
3302 error_report("too large 'size' option value");
3307 /* backward compatibility behaviour for case "-m 0" */
3309 sz = default_ram_size;
3312 sz = QEMU_ALIGN_UP(sz, 8192);
3314 if (ram_size != sz) {
3315 error_report("ram size too large");
3318 maxram_size = ram_size;
3320 maxmem_str = qemu_opt_get(opts, "maxmem");
3321 slots_str = qemu_opt_get(opts, "slots");
3322 if (maxmem_str && slots_str) {
3325 sz = qemu_opt_get_size(opts, "maxmem", 0);
3326 if (sz < ram_size) {
3327 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3328 "(%" PRIu64 ") <= initial memory ("
3329 RAM_ADDR_FMT ")\n", sz, ram_size);
3333 slots = qemu_opt_get_number(opts, "slots", 0);
3334 if ((sz > ram_size) && !slots) {
3335 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3336 "(%" PRIu64 ") more than initial memory ("
3337 RAM_ADDR_FMT ") but no hotplug slots where "
3338 "specified\n", sz, ram_size);
3342 if ((sz <= ram_size) && slots) {
3343 fprintf(stderr, "qemu: invalid -m option value: %"
3344 PRIu64 " hotplug slots where specified but "
3345 "maxmem (%" PRIu64 ") <= initial memory ("
3346 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3351 } else if ((!maxmem_str && slots_str) ||
3352 (maxmem_str && !slots_str)) {
3353 fprintf(stderr, "qemu: invalid -m option value: missing "
3354 "'%s' option\n", slots_str ? "maxmem" : "slots");
3360 case QEMU_OPTION_tpmdev:
3361 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3366 case QEMU_OPTION_mempath:
3369 case QEMU_OPTION_mem_prealloc:
3379 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3381 case QEMU_OPTION_gdb:
3382 add_device_config(DEV_GDB, optarg);
3385 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3386 data_dir[data_dir_idx++] = optarg;
3389 case QEMU_OPTION_bios:
3390 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3392 case QEMU_OPTION_singlestep:
3399 keyboard_layout = optarg;
3401 case QEMU_OPTION_localtime:
3404 case QEMU_OPTION_vga:
3413 w = strtol(p, (char **)&p, 10);
3416 fprintf(stderr, "qemu: invalid resolution or depth\n");
3422 h = strtol(p, (char **)&p, 10);
3427 depth = strtol(p, (char **)&p, 10);
3428 if (depth != 8 && depth != 15 && depth != 16 &&
3429 depth != 24 && depth != 32)
3431 } else if (*p == '\0') {
3432 depth = graphic_depth;
3439 graphic_depth = depth;
3442 case QEMU_OPTION_echr:
3445 term_escape_char = strtol(optarg, &r, 0);
3447 printf("Bad argument to echr\n");
3450 case QEMU_OPTION_monitor:
3451 default_monitor = 0;
3452 if (strncmp(optarg, "none", 4)) {
3453 monitor_parse(optarg, "readline");
3456 case QEMU_OPTION_qmp:
3457 monitor_parse(optarg, "control");
3458 default_monitor = 0;
3460 case QEMU_OPTION_mon:
3461 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3465 default_monitor = 0;
3467 case QEMU_OPTION_chardev:
3468 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3473 case QEMU_OPTION_fsdev:
3474 olist = qemu_find_opts("fsdev");
3476 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3479 opts = qemu_opts_parse(olist, optarg, 1);
3484 case QEMU_OPTION_virtfs: {
3487 const char *writeout, *sock_fd, *socket;
3489 olist = qemu_find_opts("virtfs");
3491 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3494 opts = qemu_opts_parse(olist, optarg, 1);
3499 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3500 qemu_opt_get(opts, "mount_tag") == NULL) {
3501 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3504 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3505 qemu_opt_get(opts, "mount_tag"),
3508 fprintf(stderr, "duplicate fsdev id: %s\n",
3509 qemu_opt_get(opts, "mount_tag"));
3513 writeout = qemu_opt_get(opts, "writeout");
3515 #ifdef CONFIG_SYNC_FILE_RANGE
3516 qemu_opt_set(fsdev, "writeout", writeout);
3518 fprintf(stderr, "writeout=immediate not supported on "
3523 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3524 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3525 qemu_opt_set(fsdev, "security_model",
3526 qemu_opt_get(opts, "security_model"));
3527 socket = qemu_opt_get(opts, "socket");
3529 qemu_opt_set(fsdev, "socket", socket);
3531 sock_fd = qemu_opt_get(opts, "sock_fd");
3533 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3536 qemu_opt_set_bool(fsdev, "readonly",
3537 qemu_opt_get_bool(opts, "readonly", 0));
3538 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3540 qemu_opt_set(device, "driver", "virtio-9p-pci");
3541 qemu_opt_set(device, "fsdev",
3542 qemu_opt_get(opts, "mount_tag"));
3543 qemu_opt_set(device, "mount_tag",
3544 qemu_opt_get(opts, "mount_tag"));
3547 case QEMU_OPTION_virtfs_synth: {
3551 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3554 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3557 qemu_opt_set(fsdev, "fsdriver", "synth");
3559 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3561 qemu_opt_set(device, "driver", "virtio-9p-pci");
3562 qemu_opt_set(device, "fsdev", "v_synth");
3563 qemu_opt_set(device, "mount_tag", "v_synth");
3566 case QEMU_OPTION_serial:
3567 add_device_config(DEV_SERIAL, optarg);
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3573 case QEMU_OPTION_watchdog:
3576 "qemu: only one watchdog option may be given\n");
3581 case QEMU_OPTION_watchdog_action:
3582 if (select_watchdog_action(optarg) == -1) {
3583 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3587 case QEMU_OPTION_virtiocon:
3588 add_device_config(DEV_VIRTCON, optarg);
3589 default_virtcon = 0;
3590 if (strncmp(optarg, "mon:", 4) == 0) {
3591 default_monitor = 0;
3594 case QEMU_OPTION_parallel:
3595 add_device_config(DEV_PARALLEL, optarg);
3596 default_parallel = 0;
3597 if (strncmp(optarg, "mon:", 4) == 0) {
3598 default_monitor = 0;
3601 case QEMU_OPTION_debugcon:
3602 add_device_config(DEV_DEBUGCON, optarg);
3604 case QEMU_OPTION_loadvm:
3607 case QEMU_OPTION_full_screen:
3610 case QEMU_OPTION_no_frame:
3613 case QEMU_OPTION_alt_grab:
3616 case QEMU_OPTION_ctrl_grab:
3619 case QEMU_OPTION_no_quit:
3622 case QEMU_OPTION_sdl:
3624 display_type = DT_SDL;
3627 fprintf(stderr, "SDL support is disabled\n");
3630 case QEMU_OPTION_pidfile:
3633 case QEMU_OPTION_win2k_hack:
3634 win2k_install_hack = 1;
3636 case QEMU_OPTION_rtc_td_hack: {
3637 static GlobalProperty slew_lost_ticks[] = {
3639 .driver = "mc146818rtc",
3640 .property = "lost_tick_policy",
3643 { /* end of list */ }
3646 qdev_prop_register_global_list(slew_lost_ticks);
3649 case QEMU_OPTION_acpitable:
3650 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3654 do_acpitable_option(opts);
3656 case QEMU_OPTION_smbios:
3657 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3661 do_smbios_option(opts);
3663 case QEMU_OPTION_enable_kvm:
3664 olist = qemu_find_opts("machine");
3665 qemu_opts_parse(olist, "accel=kvm", 0);
3667 case QEMU_OPTION_machine:
3668 olist = qemu_find_opts("machine");
3669 opts = qemu_opts_parse(olist, optarg, 1);
3673 optarg = qemu_opt_get(opts, "type");
3675 machine_class = machine_parse(optarg);
3678 case QEMU_OPTION_no_kvm:
3679 olist = qemu_find_opts("machine");
3680 qemu_opts_parse(olist, "accel=tcg", 0);
3682 case QEMU_OPTION_no_kvm_pit: {
3683 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3687 case QEMU_OPTION_no_kvm_pit_reinjection: {
3688 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3690 .driver = "kvm-pit",
3691 .property = "lost_tick_policy",
3694 { /* end of list */ }
3697 fprintf(stderr, "Warning: option deprecated, use "
3698 "lost_tick_policy property of kvm-pit instead.\n");
3699 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3702 case QEMU_OPTION_usb:
3703 olist = qemu_find_opts("machine");
3704 qemu_opts_parse(olist, "usb=on", 0);
3706 case QEMU_OPTION_usbdevice:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse(olist, "usb=on", 0);
3709 add_device_config(DEV_USB, optarg);
3711 case QEMU_OPTION_device:
3712 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3716 case QEMU_OPTION_smp:
3717 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3721 case QEMU_OPTION_vnc:
3724 vnc_display = optarg;
3726 fprintf(stderr, "VNC support is disabled\n");
3730 case QEMU_OPTION_no_acpi:
3733 case QEMU_OPTION_no_hpet:
3736 case QEMU_OPTION_balloon:
3737 if (balloon_parse(optarg) < 0) {
3738 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3742 case QEMU_OPTION_no_reboot:
3745 case QEMU_OPTION_no_shutdown:
3748 case QEMU_OPTION_show_cursor:
3751 case QEMU_OPTION_uuid:
3752 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3753 fprintf(stderr, "Fail to parse UUID string."
3754 " Wrong format.\n");
3757 qemu_uuid_set = true;
3759 case QEMU_OPTION_option_rom:
3760 if (nb_option_roms >= MAX_OPTION_ROMS) {
3761 fprintf(stderr, "Too many option ROMs\n");
3764 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3768 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3769 option_rom[nb_option_roms].bootindex =
3770 qemu_opt_get_number(opts, "bootindex", -1);
3771 if (!option_rom[nb_option_roms].name) {
3772 fprintf(stderr, "Option ROM file is not specified\n");
3777 case QEMU_OPTION_semihosting:
3778 semihosting_enabled = 1;
3780 case QEMU_OPTION_tdf:
3781 fprintf(stderr, "Warning: user space PIT time drift fix "
3782 "is no longer supported.\n");
3784 case QEMU_OPTION_name:
3785 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3790 case QEMU_OPTION_prom_env:
3791 if (nb_prom_envs >= MAX_PROM_ENVS) {
3792 fprintf(stderr, "Too many prom variables\n");
3795 prom_envs[nb_prom_envs] = optarg;
3798 case QEMU_OPTION_old_param:
3801 case QEMU_OPTION_clock:
3802 /* Clock options no longer exist. Keep this option for
3803 * backward compatibility.
3806 case QEMU_OPTION_startdate:
3807 configure_rtc_date_offset(optarg, 1);
3809 case QEMU_OPTION_rtc:
3810 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3814 configure_rtc(opts);
3816 case QEMU_OPTION_tb_size:
3817 tcg_tb_size = strtol(optarg, NULL, 0);
3818 if (tcg_tb_size < 0) {
3822 case QEMU_OPTION_icount:
3823 icount_option = optarg;
3825 case QEMU_OPTION_incoming:
3827 runstate_set(RUN_STATE_INMIGRATE);
3829 case QEMU_OPTION_nodefaults:
3832 case QEMU_OPTION_xen_domid:
3833 if (!(xen_available())) {
3834 printf("Option %s not supported for this target\n", popt->name);
3837 xen_domid = atoi(optarg);
3839 case QEMU_OPTION_xen_create:
3840 if (!(xen_available())) {
3841 printf("Option %s not supported for this target\n", popt->name);
3844 xen_mode = XEN_CREATE;
3846 case QEMU_OPTION_xen_attach:
3847 if (!(xen_available())) {
3848 printf("Option %s not supported for this target\n", popt->name);
3851 xen_mode = XEN_ATTACH;
3853 case QEMU_OPTION_trace:
3855 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3859 trace_events = qemu_opt_get(opts, "events");
3860 trace_file = qemu_opt_get(opts, "file");
3863 case QEMU_OPTION_readconfig:
3865 int ret = qemu_read_config_file(optarg);
3867 fprintf(stderr, "read config %s: %s\n", optarg,
3873 case QEMU_OPTION_spice:
3874 olist = qemu_find_opts("spice");
3876 fprintf(stderr, "spice is not supported by this qemu build.\n");
3879 opts = qemu_opts_parse(olist, optarg, 0);
3885 case QEMU_OPTION_writeconfig:
3888 if (strcmp(optarg, "-") == 0) {
3891 fp = fopen(optarg, "w");
3893 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3897 qemu_config_write(fp);
3903 case QEMU_OPTION_qtest:
3904 qtest_chrdev = optarg;
3906 case QEMU_OPTION_qtest_log:
3909 case QEMU_OPTION_sandbox:
3910 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3915 case QEMU_OPTION_add_fd:
3917 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3922 error_report("File descriptor passing is disabled on this "
3927 case QEMU_OPTION_object:
3928 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3933 case QEMU_OPTION_realtime:
3934 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3938 configure_realtime(opts);
3940 case QEMU_OPTION_msg:
3941 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3945 configure_msg(opts);
3947 case QEMU_OPTION_dump_vmstate:
3948 vmstate_dump_file = fopen(optarg, "w");
3949 if (vmstate_dump_file == NULL) {
3950 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3955 os_parse_cmd_args(popt->index, optarg);
3963 if (qemu_init_main_loop()) {
3964 fprintf(stderr, "qemu_init_main_loop failed\n");
3968 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3972 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3977 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3981 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3986 if (machine_class == NULL) {
3987 fprintf(stderr, "No machine specified, and there is no default.\n"
3988 "Use -machine help to list supported machines!\n");
3992 current_machine = MACHINE(object_new(object_class_get_name(
3993 OBJECT_CLASS(machine_class))));
3994 object_property_add_child(object_get_root(), "machine",
3995 OBJECT(current_machine), &error_abort);
3996 cpu_exec_init_all();
3998 if (machine_class->hw_version) {
3999 qemu_set_version(machine_class->hw_version);
4002 if (qemu_opts_foreach(qemu_find_opts("object"),
4003 object_create, NULL, 0) != 0) {
4007 /* Init CPU def lists, based on config
4008 * - Must be called after all the qemu_read_config_file() calls
4009 * - Must be called before list_cpus()
4010 * - Must be called before machine->init()
4014 if (cpu_model && is_help_option(cpu_model)) {
4015 list_cpus(stdout, &fprintf, cpu_model);
4019 /* Open the logfile at this point, if necessary. We can't open the logfile
4020 * when encountering either of the logging options (-d or -D) because the
4021 * other one may be encountered later on the command line, changing the
4022 * location or level of logging.
4027 qemu_set_log_filename(log_file);
4030 mask = qemu_str_to_log_mask(log_mask);
4032 qemu_print_log_usage(stdout);
4038 if (!is_daemonized()) {
4039 if (!trace_init_backends(trace_events, trace_file)) {
4044 /* If no data_dir is specified then try to find it relative to the
4046 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4047 data_dir[data_dir_idx] = os_find_datadir();
4048 if (data_dir[data_dir_idx] != NULL) {
4052 /* If all else fails use the install path specified when building. */
4053 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4054 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4057 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4059 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4060 if (smp_cpus > machine_class->max_cpus) {
4061 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4062 "supported by machine `%s' (%d)\n", smp_cpus,
4063 machine_class->name, machine_class->max_cpus);
4068 * Get the default machine options from the machine if it is not already
4069 * specified either by the configuration file or by the command line.
4071 if (machine_class->default_machine_opts) {
4072 qemu_opts_set_defaults(qemu_find_opts("machine"),
4073 machine_class->default_machine_opts, 0);
4076 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4077 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4079 if (!vga_model && !default_vga) {
4080 vga_interface_type = VGA_DEVICE;
4082 if (!has_defaults || machine_class->no_serial) {
4085 if (!has_defaults || machine_class->no_parallel) {
4086 default_parallel = 0;
4088 if (!has_defaults || !machine_class->use_virtcon) {
4089 default_virtcon = 0;
4091 if (!has_defaults || !machine_class->use_sclp) {
4094 if (!has_defaults || machine_class->no_floppy) {
4097 if (!has_defaults || machine_class->no_cdrom) {
4100 if (!has_defaults || machine_class->no_sdcard) {
4103 if (!has_defaults) {
4104 default_monitor = 0;
4109 if (is_daemonized()) {
4110 /* According to documentation and historically, -nographic redirects
4111 * serial port, parallel port and monitor to stdio, which does not work
4112 * with -daemonize. We can redirect these to null instead, but since
4113 * -nographic is legacy, let's just error out.
4114 * We disallow -nographic only if all other ports are not redirected
4115 * explicitly, to not break existing legacy setups which uses
4116 * -nographic _and_ redirects all ports explicitly - this is valid
4117 * usage, -nographic is just a no-op in this case.
4119 if (display_type == DT_NOGRAPHIC
4120 && (default_parallel || default_serial
4121 || default_monitor || default_virtcon)) {
4122 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4125 #ifdef CONFIG_CURSES
4126 if (display_type == DT_CURSES) {
4127 fprintf(stderr, "curses display can not be used with -daemonize\n");
4133 if (display_type == DT_NOGRAPHIC) {
4134 if (default_parallel)
4135 add_device_config(DEV_PARALLEL, "null");
4136 if (default_serial && default_monitor) {
4137 add_device_config(DEV_SERIAL, "mon:stdio");
4138 } else if (default_virtcon && default_monitor) {
4139 add_device_config(DEV_VIRTCON, "mon:stdio");
4140 } else if (default_sclp && default_monitor) {
4141 add_device_config(DEV_SCLP, "mon:stdio");
4144 add_device_config(DEV_SERIAL, "stdio");
4145 if (default_virtcon)
4146 add_device_config(DEV_VIRTCON, "stdio");
4148 add_device_config(DEV_SCLP, "stdio");
4150 if (default_monitor)
4151 monitor_parse("stdio", "readline");
4155 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4156 if (default_parallel)
4157 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4158 if (default_monitor)
4159 monitor_parse("vc:80Cx24C", "readline");
4160 if (default_virtcon)
4161 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4163 add_device_config(DEV_SCLP, "vc:80Cx24C");
4167 if (display_type == DT_DEFAULT && !display_remote) {
4168 #if defined(CONFIG_GTK)
4169 display_type = DT_GTK;
4170 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4171 display_type = DT_SDL;
4172 #elif defined(CONFIG_VNC)
4173 vnc_display = "localhost:0,to=99";
4176 display_type = DT_NONE;
4180 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4181 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4182 "for SDL, ignoring option\n");
4184 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4185 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4186 "ignoring option\n");
4189 #if defined(CONFIG_GTK)
4190 if (display_type == DT_GTK) {
4191 early_gtk_display_init();
4197 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4199 #ifdef CONFIG_VIRTFS
4200 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4205 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4210 /* store value for the future use */
4211 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4213 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4218 machine_opts = qemu_get_machine_opts();
4219 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4221 object_unref(OBJECT(current_machine));
4225 configure_accelerator(machine_class);
4228 Error *local_err = NULL;
4229 qtest_init(qtest_chrdev, qtest_log, &local_err);
4231 error_report("%s", error_get_pretty(local_err));
4232 error_free(local_err);
4237 machine_opts = qemu_get_machine_opts();
4238 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4239 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4240 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4241 bios_name = qemu_opt_get(machine_opts, "firmware");
4243 boot_order = machine_class->default_boot_order;
4244 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4246 char *normal_boot_order;
4247 const char *order, *once;
4249 order = qemu_opt_get(opts, "order");
4251 validate_bootdevices(order);
4255 once = qemu_opt_get(opts, "once");
4257 validate_bootdevices(once);
4258 normal_boot_order = g_strdup(boot_order);
4260 qemu_register_reset(restore_boot_order, normal_boot_order);
4263 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4264 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4267 if (!kernel_cmdline) {
4268 kernel_cmdline = "";
4269 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4272 linux_boot = (kernel_filename != NULL);
4274 if (!linux_boot && *kernel_cmdline != '\0') {
4275 fprintf(stderr, "-append only allowed with -kernel option\n");
4279 if (!linux_boot && initrd_filename != NULL) {
4280 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4284 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4285 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4289 os_set_line_buffering();
4291 qemu_init_cpu_loop();
4292 qemu_mutex_lock_iothread();
4295 /* spice needs the timers to be initialized by this point */
4299 if (icount_option && (kvm_enabled() || xen_enabled())) {
4300 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4303 configure_icount(icount_option);
4305 /* clean up network at qemu process termination */
4306 atexit(&net_cleanup);
4308 if (net_init_clients() < 0) {
4313 if (tpm_init() < 0) {
4318 /* init the bluetooth world */
4319 if (foreach_device_config(DEV_BT, bt_parse))
4322 if (!xen_enabled()) {
4323 /* On 32-bit hosts, QEMU is limited by virtual address space */
4324 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4325 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4333 /* open the virtual block devices */
4335 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4336 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4337 &machine_class->block_default_type, 1) != 0) {
4341 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4343 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4344 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4346 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4353 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4357 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4359 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4361 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4363 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4366 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4369 /* If no default VGA is requested, the default is "none". */
4371 if (cirrus_vga_available()) {
4372 vga_model = "cirrus";
4373 } else if (vga_available()) {
4378 select_vgahw(vga_model);
4382 i = select_watchdog(watchdog);
4384 exit (i == 1 ? 1 : 0);
4387 if (machine_class->compat_props) {
4388 qdev_prop_register_global_list(machine_class->compat_props);
4392 qdev_machine_init();
4394 current_machine->ram_size = ram_size;
4395 current_machine->maxram_size = maxram_size;
4396 current_machine->ram_slots = ram_slots;
4397 current_machine->boot_order = boot_order;
4398 current_machine->cpu_model = cpu_model;
4400 machine_class->init(current_machine);
4404 cpu_synchronize_all_post_init();
4408 /* init USB devices */
4409 if (usb_enabled(false)) {
4410 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4414 /* init generic devices */
4415 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4418 net_check_clients();
4420 ds = init_displaystate();
4422 /* init local displays */
4423 switch (display_type) {
4425 (void)ds; /* avoid warning if no display is configured */
4427 #if defined(CONFIG_CURSES)
4429 curses_display_init(ds, full_screen);
4432 #if defined(CONFIG_SDL)
4434 sdl_display_init(ds, full_screen, no_frame);
4436 #elif defined(CONFIG_COCOA)
4438 cocoa_display_init(ds, full_screen);
4441 #if defined(CONFIG_GTK)
4443 gtk_display_init(ds, full_screen, grab_on_hover);
4450 /* must be after terminal init, SDL library changes signal handlers */
4451 os_setup_signal_handling();
4454 /* init remote displays */
4456 Error *local_err = NULL;
4457 vnc_display_init(ds);
4458 vnc_display_open(ds, vnc_display, &local_err);
4459 if (local_err != NULL) {
4460 error_report("Failed to start VNC server on `%s': %s",
4461 vnc_display, error_get_pretty(local_err));
4462 error_free(local_err);
4466 if (show_vnc_port) {
4467 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4473 qemu_spice_display_init();
4477 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4481 qdev_machine_creation_done();
4483 if (rom_load_all() != 0) {
4484 fprintf(stderr, "rom loading failed\n");
4488 /* TODO: once all bus devices are qdevified, this should be done
4489 * when bus is created by qdev.c */
4490 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4491 qemu_run_machine_init_done_notifiers();
4493 /* Done notifiers can load ROMs */
4496 qemu_system_reset(VMRESET_SILENT);
4498 if (load_vmstate(loadvm) < 0) {
4503 qdev_prop_check_global();
4504 if (vmstate_dump_file) {
4506 dump_vmstate_json_to_file(vmstate_dump_file);
4511 Error *local_err = NULL;
4512 qemu_start_incoming_migration(incoming, &local_err);
4514 error_report("-incoming %s: %s", incoming,
4515 error_get_pretty(local_err));
4516 error_free(local_err);
4519 } else if (autostart) {
4525 if (is_daemonized()) {
4526 if (!trace_init_backends(trace_events, trace_file)) {