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 int icount_align_option;
187 typedef struct FWBootEntry FWBootEntry;
190 QTAILQ_ENTRY(FWBootEntry) link;
196 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
197 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
201 NodeInfo numa_info[MAX_NODES];
203 uint8_t qemu_uuid[16];
206 static QEMUBootSetHandler *boot_set_handler;
207 static void *boot_set_opaque;
209 static NotifierList exit_notifiers =
210 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
212 static NotifierList machine_init_done_notifiers =
213 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
215 static bool tcg_allowed = true;
218 enum xen_mode xen_mode = XEN_EMULATE;
219 static int tcg_tb_size;
221 static int has_defaults = 1;
222 static int default_serial = 1;
223 static int default_parallel = 1;
224 static int default_virtcon = 1;
225 static int default_sclp = 1;
226 static int default_monitor = 1;
227 static int default_floppy = 1;
228 static int default_cdrom = 1;
229 static int default_sdcard = 1;
230 static int default_vga = 1;
236 { .driver = "isa-serial", .flag = &default_serial },
237 { .driver = "isa-parallel", .flag = &default_parallel },
238 { .driver = "isa-fdc", .flag = &default_floppy },
239 { .driver = "ide-cd", .flag = &default_cdrom },
240 { .driver = "ide-hd", .flag = &default_cdrom },
241 { .driver = "ide-drive", .flag = &default_cdrom },
242 { .driver = "scsi-cd", .flag = &default_cdrom },
243 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
244 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
245 { .driver = "virtio-serial", .flag = &default_virtcon },
246 { .driver = "VGA", .flag = &default_vga },
247 { .driver = "isa-vga", .flag = &default_vga },
248 { .driver = "cirrus-vga", .flag = &default_vga },
249 { .driver = "isa-cirrus-vga", .flag = &default_vga },
250 { .driver = "vmware-svga", .flag = &default_vga },
251 { .driver = "qxl-vga", .flag = &default_vga },
254 static QemuOptsList qemu_rtc_opts = {
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
260 .type = QEMU_OPT_STRING,
263 .type = QEMU_OPT_STRING,
266 .type = QEMU_OPT_STRING,
268 { /* end of list */ }
272 static QemuOptsList qemu_sandbox_opts = {
274 .implied_opt_name = "enable",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
279 .type = QEMU_OPT_BOOL,
281 { /* end of list */ }
285 static QemuOptsList qemu_trace_opts = {
287 .implied_opt_name = "trace",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
292 .type = QEMU_OPT_STRING,
295 .type = QEMU_OPT_STRING,
297 { /* end of list */ }
301 static QemuOptsList qemu_option_rom_opts = {
302 .name = "option-rom",
303 .implied_opt_name = "romfile",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
308 .type = QEMU_OPT_NUMBER,
311 .type = QEMU_OPT_STRING,
313 { /* end of list */ }
317 static QemuOptsList qemu_machine_opts = {
319 .implied_opt_name = "type",
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
325 .type = QEMU_OPT_STRING,
326 .help = "emulated machine"
329 .type = QEMU_OPT_STRING,
330 .help = "accelerator list",
332 .name = "kernel_irqchip",
333 .type = QEMU_OPT_BOOL,
334 .help = "use KVM in-kernel irqchip",
336 .name = "kvm_shadow_mem",
337 .type = QEMU_OPT_SIZE,
338 .help = "KVM shadow MMU size",
341 .type = QEMU_OPT_STRING,
342 .help = "Linux kernel image file",
345 .type = QEMU_OPT_STRING,
346 .help = "Linux initial ramdisk file",
349 .type = QEMU_OPT_STRING,
350 .help = "Linux kernel command line",
353 .type = QEMU_OPT_STRING,
354 .help = "Linux kernel device tree file",
357 .type = QEMU_OPT_STRING,
358 .help = "Dump current dtb to a file and quit",
360 .name = "phandle_start",
361 .type = QEMU_OPT_NUMBER,
362 .help = "The first phandle ID we may generate dynamically",
364 .name = "dt_compatible",
365 .type = QEMU_OPT_STRING,
366 .help = "Overrides the \"compatible\" property of the dt root node",
368 .name = "dump-guest-core",
369 .type = QEMU_OPT_BOOL,
370 .help = "Include guest memory in a core dump",
373 .type = QEMU_OPT_BOOL,
374 .help = "enable/disable memory merge support",
377 .type = QEMU_OPT_BOOL,
378 .help = "Set on/off to enable/disable usb",
381 .type = QEMU_OPT_STRING,
382 .help = "firmware image",
385 .type = QEMU_OPT_STRING,
386 .help = "Specifies the KVM virtualization mode (HV, PR)",
388 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
389 .type = QEMU_OPT_SIZE,
390 .help = "maximum ram below the 4G boundary (32bit boundary)",
393 .type = QEMU_OPT_BOOL,
394 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
396 { /* End of list */ }
400 static QemuOptsList qemu_boot_opts = {
402 .implied_opt_name = "order",
404 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
408 .type = QEMU_OPT_STRING,
411 .type = QEMU_OPT_STRING,
414 .type = QEMU_OPT_BOOL,
417 .type = QEMU_OPT_STRING,
419 .name = "splash-time",
420 .type = QEMU_OPT_STRING,
422 .name = "reboot-timeout",
423 .type = QEMU_OPT_STRING,
426 .type = QEMU_OPT_BOOL,
432 static QemuOptsList qemu_add_fd_opts = {
434 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
438 .type = QEMU_OPT_NUMBER,
439 .help = "file descriptor of which a duplicate is added to fd set",
442 .type = QEMU_OPT_NUMBER,
443 .help = "ID of the fd set to add fd to",
446 .type = QEMU_OPT_STRING,
447 .help = "free-form string used to describe fd",
449 { /* end of list */ }
453 static QemuOptsList qemu_object_opts = {
455 .implied_opt_name = "qom-type",
456 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
462 static QemuOptsList qemu_tpmdev_opts = {
464 .implied_opt_name = "type",
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
467 /* options are defined in the TPM backends */
468 { /* end of list */ }
472 static QemuOptsList qemu_realtime_opts = {
474 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
478 .type = QEMU_OPT_BOOL,
480 { /* end of list */ }
484 static QemuOptsList qemu_msg_opts = {
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
490 .type = QEMU_OPT_BOOL,
492 { /* end of list */ }
496 static QemuOptsList qemu_name_opts = {
498 .implied_opt_name = "guest",
500 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
504 .type = QEMU_OPT_STRING,
505 .help = "Sets the name of the guest.\n"
506 "This name will be displayed in the SDL window caption.\n"
507 "The name will also be used for the VNC server",
510 .type = QEMU_OPT_STRING,
511 .help = "Sets the name of the QEMU process, as shown in top etc",
513 .name = "debug-threads",
514 .type = QEMU_OPT_BOOL,
515 .help = "When enabled, name the individual threads; defaults off.\n"
516 "NOTE: The thread names are for debugging and not a\n"
519 { /* End of list */ }
523 static QemuOptsList qemu_mem_opts = {
525 .implied_opt_name = "size",
526 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
531 .type = QEMU_OPT_SIZE,
535 .type = QEMU_OPT_NUMBER,
539 .type = QEMU_OPT_SIZE,
541 { /* end of list */ }
545 static QemuOptsList qemu_icount_opts = {
547 .implied_opt_name = "shift",
549 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
553 .type = QEMU_OPT_STRING,
556 .type = QEMU_OPT_BOOL,
558 { /* end of list */ }
563 * Get machine options
565 * Returns: machine options (never null).
567 QemuOpts *qemu_get_machine_opts(void)
569 return qemu_find_opts_singleton("machine");
572 const char *qemu_get_vm_name(void)
577 static void res_free(void)
579 if (boot_splash_filedata != NULL) {
580 g_free(boot_splash_filedata);
581 boot_splash_filedata = NULL;
585 static int default_driver_check(QemuOpts *opts, void *opaque)
587 const char *driver = qemu_opt_get(opts, "driver");
592 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
593 if (strcmp(default_list[i].driver, driver) != 0)
595 *(default_list[i].flag) = 0;
600 /***********************************************************/
603 static RunState current_run_state = RUN_STATE_PRELAUNCH;
605 /* We use RUN_STATE_MAX but any invalid value will do */
606 static RunState vmstop_requested = RUN_STATE_MAX;
607 static QemuMutex vmstop_lock;
612 } RunStateTransition;
614 static const RunStateTransition runstate_transitions_def[] = {
616 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
617 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
620 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
626 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
629 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
635 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
643 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
644 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
647 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
651 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
652 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
654 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
657 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
660 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
661 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
662 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
664 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
665 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
668 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
670 { RUN_STATE_MAX, RUN_STATE_MAX },
673 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
675 bool runstate_check(RunState state)
677 return current_run_state == state;
680 static void runstate_init(void)
682 const RunStateTransition *p;
684 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
685 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
686 runstate_valid_transitions[p->from][p->to] = true;
689 qemu_mutex_init(&vmstop_lock);
692 /* This function will abort() on invalid state transitions */
693 void runstate_set(RunState new_state)
695 assert(new_state < RUN_STATE_MAX);
697 if (!runstate_valid_transitions[current_run_state][new_state]) {
698 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
699 RunState_lookup[current_run_state],
700 RunState_lookup[new_state]);
703 trace_runstate_set(new_state);
704 current_run_state = new_state;
707 int runstate_is_running(void)
709 return runstate_check(RUN_STATE_RUNNING);
712 bool runstate_needs_reset(void)
714 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
715 runstate_check(RUN_STATE_SHUTDOWN);
718 StatusInfo *qmp_query_status(Error **errp)
720 StatusInfo *info = g_malloc0(sizeof(*info));
722 info->running = runstate_is_running();
723 info->singlestep = singlestep;
724 info->status = current_run_state;
729 static bool qemu_vmstop_requested(RunState *r)
731 qemu_mutex_lock(&vmstop_lock);
732 *r = vmstop_requested;
733 vmstop_requested = RUN_STATE_MAX;
734 qemu_mutex_unlock(&vmstop_lock);
735 return *r < RUN_STATE_MAX;
738 void qemu_system_vmstop_request_prepare(void)
740 qemu_mutex_lock(&vmstop_lock);
743 void qemu_system_vmstop_request(RunState state)
745 vmstop_requested = state;
746 qemu_mutex_unlock(&vmstop_lock);
754 qemu_vmstop_requested(&requested);
755 if (runstate_is_running() && requested == RUN_STATE_MAX) {
759 /* Ensure that a STOP/RESUME pair of events is emitted if a
760 * vmstop request was pending. The BLOCK_IO_ERROR event, for
761 * example, according to documentation is always followed by
764 if (runstate_is_running()) {
765 qapi_event_send_stop(&error_abort);
768 runstate_set(RUN_STATE_RUNNING);
769 vm_state_notify(1, RUN_STATE_RUNNING);
773 qapi_event_send_resume(&error_abort);
777 /***********************************************************/
778 /* real time host monotonic timer */
780 /***********************************************************/
781 /* host time/date access */
782 void qemu_get_timedate(struct tm *tm, int offset)
788 if (rtc_date_offset == -1) {
792 localtime_r(&ti, tm);
794 ti -= rtc_date_offset;
799 int qemu_timedate_diff(struct tm *tm)
803 if (rtc_date_offset == -1)
805 seconds = mktimegm(tm);
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
812 seconds = mktimegm(tm) + rtc_date_offset;
814 return seconds - time(NULL);
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
819 time_t rtc_start_date;
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
833 } else if (sscanf(startdate, "%d-%d-%d",
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
848 fprintf(stderr, "Invalid date format. Valid formats are:\n"
849 "'2006-06-17T16:01:21' or '2006-06-17'\n");
852 rtc_date_offset = time(NULL) - rtc_start_date;
856 static void configure_rtc(QemuOpts *opts)
860 value = qemu_opt_get(opts, "base");
862 if (!strcmp(value, "utc")) {
864 } else if (!strcmp(value, "localtime")) {
867 configure_rtc_date_offset(value, 0);
870 value = qemu_opt_get(opts, "clock");
872 if (!strcmp(value, "host")) {
873 rtc_clock = QEMU_CLOCK_HOST;
874 } else if (!strcmp(value, "rt")) {
875 rtc_clock = QEMU_CLOCK_REALTIME;
876 } else if (!strcmp(value, "vm")) {
877 rtc_clock = QEMU_CLOCK_VIRTUAL;
879 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 value = qemu_opt_get(opts, "driftfix");
885 if (!strcmp(value, "slew")) {
886 static GlobalProperty slew_lost_ticks[] = {
888 .driver = "mc146818rtc",
889 .property = "lost_tick_policy",
892 { /* end of list */ }
895 qdev_prop_register_global_list(slew_lost_ticks);
896 } else if (!strcmp(value, "none")) {
897 /* discard is default */
899 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
905 /***********************************************************/
906 /* Bluetooth support */
909 static struct HCIInfo *hci_table[MAX_NICS];
911 struct HCIInfo *qemu_next_hci(void)
913 if (cur_hci == nb_hcis)
916 return hci_table[cur_hci++];
919 static int bt_hci_parse(const char *str)
924 if (nb_hcis >= MAX_NICS) {
925 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
938 bdaddr.b[5] = 0x56 + nb_hcis;
939 hci->bdaddr_set(hci, bdaddr.b);
941 hci_table[nb_hcis++] = hci;
946 static void bt_vhci_add(int vlan_id)
948 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
951 fprintf(stderr, "qemu: warning: adding a VHCI to "
952 "an empty scatternet %i\n", vlan_id);
954 bt_vhci_init(bt_new_hci(vlan));
957 static struct bt_device_s *bt_device_add(const char *opt)
959 struct bt_scatternet_s *vlan;
961 char *endp = strstr(opt, ",vlan=");
962 int len = (endp ? endp - opt : strlen(opt)) + 1;
965 pstrcpy(devname, MIN(sizeof(devname), len), opt);
968 vlan_id = strtol(endp + 6, &endp, 0);
970 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
975 vlan = qemu_find_bt_vlan(vlan_id);
978 fprintf(stderr, "qemu: warning: adding a slave device to "
979 "an empty scatternet %i\n", vlan_id);
981 if (!strcmp(devname, "keyboard"))
982 return bt_keyboard_init(vlan);
984 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
988 static int bt_parse(const char *opt)
990 const char *endp, *p;
993 if (strstart(opt, "hci", &endp)) {
994 if (!*endp || *endp == ',') {
996 if (!strstart(endp, ",vlan=", 0))
999 return bt_hci_parse(opt);
1001 } else if (strstart(opt, "vhci", &endp)) {
1002 if (!*endp || *endp == ',') {
1004 if (strstart(endp, ",vlan=", &p)) {
1005 vlan = strtol(p, (char **) &endp, 0);
1007 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1011 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1020 } else if (strstart(opt, "device:", &endp))
1021 return !bt_device_add(endp);
1023 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1027 static int parse_sandbox(QemuOpts *opts, void *opaque)
1029 /* FIXME: change this to true for 1.3 */
1030 if (qemu_opt_get_bool(opts, "enable", false)) {
1031 #ifdef CONFIG_SECCOMP
1032 if (seccomp_start() < 0) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "failed to install seccomp syscall filter in the kernel");
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "sandboxing request but seccomp is not compiled into this build");
1047 static int parse_name(QemuOpts *opts, void *opaque)
1049 const char *proc_name;
1051 if (qemu_opt_get(opts, "debug-threads")) {
1052 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1054 qemu_name = qemu_opt_get(opts, "guest");
1056 proc_name = qemu_opt_get(opts, "process");
1058 os_set_proc_name(proc_name);
1064 bool usb_enabled(bool default_usb)
1066 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1067 has_defaults && default_usb);
1071 static int parse_add_fd(QemuOpts *opts, void *opaque)
1073 int fd, dupfd, flags;
1075 const char *fd_opaque = NULL;
1077 fd = qemu_opt_get_number(opts, "fd", -1);
1078 fdset_id = qemu_opt_get_number(opts, "set", -1);
1079 fd_opaque = qemu_opt_get(opts, "opaque");
1082 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1083 "fd option is required and must be non-negative");
1087 if (fd <= STDERR_FILENO) {
1088 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1089 "fd cannot be a standard I/O stream");
1094 * All fds inherited across exec() necessarily have FD_CLOEXEC
1095 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1097 flags = fcntl(fd, F_GETFD);
1098 if (flags == -1 || (flags & FD_CLOEXEC)) {
1099 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1100 "fd is not valid or already in use");
1105 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1106 "set option is required and must be non-negative");
1110 #ifdef F_DUPFD_CLOEXEC
1111 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1115 qemu_set_cloexec(dupfd);
1119 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1120 "Error duplicating fd: %s", strerror(errno));
1124 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1125 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1131 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1135 fd = qemu_opt_get_number(opts, "fd", -1);
1142 /***********************************************************/
1143 /* QEMU Block devices */
1145 #define HD_OPTS "media=disk"
1146 #define CDROM_OPTS "media=cdrom"
1148 #define PFLASH_OPTS ""
1152 static int drive_init_func(QemuOpts *opts, void *opaque)
1154 BlockInterfaceType *block_default_type = opaque;
1156 return drive_new(opts, *block_default_type) == NULL;
1159 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1161 if (qemu_opt_get(opts, "snapshot") == NULL) {
1162 qemu_opt_set(opts, "snapshot", "on");
1167 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1168 int index, const char *optstr)
1172 if (!enable || drive_get_by_index(type, index)) {
1176 opts = drive_add(type, index, NULL, optstr);
1178 drive_enable_snapshot(opts, NULL);
1180 if (!drive_new(opts, type)) {
1185 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1187 boot_set_handler = func;
1188 boot_set_opaque = opaque;
1191 int qemu_boot_set(const char *boot_order)
1193 if (!boot_set_handler) {
1196 return boot_set_handler(boot_set_opaque, boot_order);
1199 static void validate_bootdevices(const char *devices)
1201 /* We just do some generic consistency checks */
1205 for (p = devices; *p != '\0'; p++) {
1206 /* Allowed boot devices are:
1207 * a-b: floppy disk drives
1208 * c-f: IDE disk drives
1209 * g-m: machine implementation dependent drives
1210 * n-p: network devices
1211 * It's up to each machine implementation to check if the given boot
1212 * devices match the actual hardware implementation and firmware
1215 if (*p < 'a' || *p > 'p') {
1216 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1219 if (bitmap & (1 << (*p - 'a'))) {
1220 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1223 bitmap |= 1 << (*p - 'a');
1227 static void restore_boot_order(void *opaque)
1229 char *normal_boot_order = opaque;
1230 static int first = 1;
1232 /* Restore boot order and remove ourselves after the first boot */
1238 qemu_boot_set(normal_boot_order);
1240 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1241 g_free(normal_boot_order);
1244 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1247 FWBootEntry *node, *i;
1249 if (bootindex < 0) {
1253 assert(dev != NULL || suffix != NULL);
1255 node = g_malloc0(sizeof(FWBootEntry));
1256 node->bootindex = bootindex;
1257 node->suffix = g_strdup(suffix);
1260 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1261 if (i->bootindex == bootindex) {
1262 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1264 } else if (i->bootindex < bootindex) {
1267 QTAILQ_INSERT_BEFORE(i, node, link);
1270 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1273 DeviceState *get_boot_device(uint32_t position)
1275 uint32_t counter = 0;
1276 FWBootEntry *i = NULL;
1277 DeviceState *res = NULL;
1279 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1280 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1281 if (counter == position) {
1292 * This function returns null terminated string that consist of new line
1293 * separated device paths.
1295 * memory pointed by "size" is assigned total length of the array in bytes
1298 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1304 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1305 char *devpath = NULL, *bootpath;
1309 devpath = qdev_get_fw_dev_path(i->dev);
1313 if (i->suffix && !ignore_suffixes && devpath) {
1314 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1316 bootpath = g_malloc(bootpathlen);
1317 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1319 } else if (devpath) {
1321 } else if (!ignore_suffixes) {
1323 bootpath = g_strdup(i->suffix);
1325 bootpath = g_strdup("");
1329 list[total-1] = '\n';
1331 len = strlen(bootpath) + 1;
1332 list = g_realloc(list, total + len);
1333 memcpy(&list[total], bootpath, len);
1340 if (boot_strict && *size > 0) {
1341 list[total-1] = '\n';
1342 list = g_realloc(list, total + 5);
1343 memcpy(&list[total], "HALT", 5);
1349 static QemuOptsList qemu_smp_opts = {
1351 .implied_opt_name = "cpus",
1352 .merge_lists = true,
1353 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1357 .type = QEMU_OPT_NUMBER,
1360 .type = QEMU_OPT_NUMBER,
1363 .type = QEMU_OPT_NUMBER,
1366 .type = QEMU_OPT_NUMBER,
1369 .type = QEMU_OPT_NUMBER,
1371 { /*End of list */ }
1375 static void smp_parse(QemuOpts *opts)
1379 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1380 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1381 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1382 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1384 /* compute missing values, prefer sockets over cores over threads */
1385 if (cpus == 0 || sockets == 0) {
1386 sockets = sockets > 0 ? sockets : 1;
1387 cores = cores > 0 ? cores : 1;
1388 threads = threads > 0 ? threads : 1;
1390 cpus = cores * threads * sockets;
1394 threads = threads > 0 ? threads : 1;
1395 cores = cpus / (sockets * threads);
1397 threads = cpus / (cores * sockets);
1401 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1404 smp_cores = cores > 0 ? cores : 1;
1405 smp_threads = threads > 0 ? threads : 1;
1409 if (max_cpus == 0) {
1410 max_cpus = smp_cpus;
1413 if (max_cpus > MAX_CPUMASK_BITS) {
1414 fprintf(stderr, "Unsupported number of maxcpus\n");
1417 if (max_cpus < smp_cpus) {
1418 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1424 static void configure_realtime(QemuOpts *opts)
1428 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1431 if (os_mlock() < 0) {
1432 fprintf(stderr, "qemu: locking memory failed\n");
1439 static void configure_msg(QemuOpts *opts)
1441 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1444 /***********************************************************/
1447 static int usb_device_add(const char *devname)
1449 USBDevice *dev = NULL;
1450 #ifndef CONFIG_LINUX
1454 if (!usb_enabled(false)) {
1458 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1459 dev = usbdevice_create(devname);
1463 /* the other ones */
1464 #ifndef CONFIG_LINUX
1465 /* only the linux version is qdev-ified, usb-bsd still needs this */
1466 if (strstart(devname, "host:", &p)) {
1467 dev = usb_host_device_open(usb_bus_find(-1), p);
1477 static int usb_device_del(const char *devname)
1482 if (strstart(devname, "host:", &p)) {
1486 if (!usb_enabled(false)) {
1490 p = strchr(devname, '.');
1493 bus_num = strtoul(devname, NULL, 0);
1494 addr = strtoul(p + 1, NULL, 0);
1496 return usb_device_delete_addr(bus_num, addr);
1499 static int usb_parse(const char *cmdline)
1502 r = usb_device_add(cmdline);
1504 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1509 void do_usb_add(Monitor *mon, const QDict *qdict)
1511 const char *devname = qdict_get_str(qdict, "devname");
1512 if (usb_device_add(devname) < 0) {
1513 error_report("could not add USB device '%s'", devname);
1517 void do_usb_del(Monitor *mon, const QDict *qdict)
1519 const char *devname = qdict_get_str(qdict, "devname");
1520 if (usb_device_del(devname) < 0) {
1521 error_report("could not delete USB device '%s'", devname);
1525 /***********************************************************/
1526 /* PCMCIA/Cardbus */
1528 static struct pcmcia_socket_entry_s {
1529 PCMCIASocket *socket;
1530 struct pcmcia_socket_entry_s *next;
1531 } *pcmcia_sockets = 0;
1533 void pcmcia_socket_register(PCMCIASocket *socket)
1535 struct pcmcia_socket_entry_s *entry;
1537 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1538 entry->socket = socket;
1539 entry->next = pcmcia_sockets;
1540 pcmcia_sockets = entry;
1543 void pcmcia_socket_unregister(PCMCIASocket *socket)
1545 struct pcmcia_socket_entry_s *entry, **ptr;
1547 ptr = &pcmcia_sockets;
1548 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1549 if (entry->socket == socket) {
1555 void pcmcia_info(Monitor *mon, const QDict *qdict)
1557 struct pcmcia_socket_entry_s *iter;
1559 if (!pcmcia_sockets)
1560 monitor_printf(mon, "No PCMCIA sockets\n");
1562 for (iter = pcmcia_sockets; iter; iter = iter->next)
1563 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1564 iter->socket->attached ? iter->socket->card_string :
1568 /***********************************************************/
1569 /* machine registration */
1571 MachineState *current_machine;
1573 static void machine_class_init(ObjectClass *oc, void *data)
1575 MachineClass *mc = MACHINE_CLASS(oc);
1576 QEMUMachine *qm = data;
1578 mc->name = qm->name;
1579 mc->alias = qm->alias;
1580 mc->desc = qm->desc;
1581 mc->init = qm->init;
1582 mc->reset = qm->reset;
1583 mc->hot_add_cpu = qm->hot_add_cpu;
1584 mc->kvm_type = qm->kvm_type;
1585 mc->block_default_type = qm->block_default_type;
1586 mc->max_cpus = qm->max_cpus;
1587 mc->no_serial = qm->no_serial;
1588 mc->no_parallel = qm->no_parallel;
1589 mc->use_virtcon = qm->use_virtcon;
1590 mc->use_sclp = qm->use_sclp;
1591 mc->no_floppy = qm->no_floppy;
1592 mc->no_cdrom = qm->no_cdrom;
1593 mc->no_sdcard = qm->no_sdcard;
1594 mc->is_default = qm->is_default;
1595 mc->default_machine_opts = qm->default_machine_opts;
1596 mc->default_boot_order = qm->default_boot_order;
1597 mc->compat_props = qm->compat_props;
1598 mc->hw_version = qm->hw_version;
1601 int qemu_register_machine(QEMUMachine *m)
1603 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1606 .parent = TYPE_MACHINE,
1607 .class_init = machine_class_init,
1608 .class_data = (void *)m,
1617 static MachineClass *find_machine(const char *name)
1619 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1620 MachineClass *mc = NULL;
1622 for (el = machines; el; el = el->next) {
1623 MachineClass *temp = el->data;
1625 if (!strcmp(temp->name, name)) {
1630 !strcmp(temp->alias, name)) {
1636 g_slist_free(machines);
1640 MachineClass *find_default_machine(void)
1642 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1643 MachineClass *mc = NULL;
1645 for (el = machines; el; el = el->next) {
1646 MachineClass *temp = el->data;
1648 if (temp->is_default) {
1654 g_slist_free(machines);
1658 MachineInfoList *qmp_query_machines(Error **errp)
1660 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1661 MachineInfoList *mach_list = NULL;
1663 for (el = machines; el; el = el->next) {
1664 MachineClass *mc = el->data;
1665 MachineInfoList *entry;
1668 info = g_malloc0(sizeof(*info));
1669 if (mc->is_default) {
1670 info->has_is_default = true;
1671 info->is_default = true;
1675 info->has_alias = true;
1676 info->alias = g_strdup(mc->alias);
1679 info->name = g_strdup(mc->name);
1680 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1682 entry = g_malloc0(sizeof(*entry));
1683 entry->value = info;
1684 entry->next = mach_list;
1688 g_slist_free(machines);
1692 /***********************************************************/
1693 /* main execution loop */
1695 struct vm_change_state_entry {
1696 VMChangeStateHandler *cb;
1698 QLIST_ENTRY (vm_change_state_entry) entries;
1701 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1703 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1706 VMChangeStateEntry *e;
1708 e = g_malloc0(sizeof (*e));
1712 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1716 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1718 QLIST_REMOVE (e, entries);
1722 void vm_state_notify(int running, RunState state)
1724 VMChangeStateEntry *e;
1726 trace_vm_state_notify(running, state);
1728 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1729 e->cb(e->opaque, running, state);
1733 /* reset/shutdown handler */
1735 typedef struct QEMUResetEntry {
1736 QTAILQ_ENTRY(QEMUResetEntry) entry;
1737 QEMUResetHandler *func;
1741 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1742 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1743 static int reset_requested;
1744 static int shutdown_requested, shutdown_signal = -1;
1745 static pid_t shutdown_pid;
1746 static int powerdown_requested;
1747 static int debug_requested;
1748 static int suspend_requested;
1749 static WakeupReason wakeup_reason;
1750 static NotifierList powerdown_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1752 static NotifierList suspend_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1754 static NotifierList wakeup_notifiers =
1755 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1756 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1758 int qemu_shutdown_requested_get(void)
1760 return shutdown_requested;
1763 int qemu_reset_requested_get(void)
1765 return reset_requested;
1768 static int qemu_shutdown_requested(void)
1770 int r = shutdown_requested;
1771 shutdown_requested = 0;
1775 static void qemu_kill_report(void)
1777 if (!qtest_driver() && shutdown_signal != -1) {
1778 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1779 if (shutdown_pid == 0) {
1780 /* This happens for eg ^C at the terminal, so it's worth
1781 * avoiding printing an odd message in that case.
1783 fputc('\n', stderr);
1785 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1787 shutdown_signal = -1;
1791 static int qemu_reset_requested(void)
1793 int r = reset_requested;
1794 reset_requested = 0;
1798 static int qemu_suspend_requested(void)
1800 int r = suspend_requested;
1801 suspend_requested = 0;
1805 static WakeupReason qemu_wakeup_requested(void)
1807 return wakeup_reason;
1810 static int qemu_powerdown_requested(void)
1812 int r = powerdown_requested;
1813 powerdown_requested = 0;
1817 static int qemu_debug_requested(void)
1819 int r = debug_requested;
1820 debug_requested = 0;
1824 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1826 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1829 re->opaque = opaque;
1830 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1833 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1837 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1838 if (re->func == func && re->opaque == opaque) {
1839 QTAILQ_REMOVE(&reset_handlers, re, entry);
1846 void qemu_devices_reset(void)
1848 QEMUResetEntry *re, *nre;
1850 /* reset all devices */
1851 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1852 re->func(re->opaque);
1856 void qemu_system_reset(bool report)
1860 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1862 if (mc && mc->reset) {
1865 qemu_devices_reset();
1868 qapi_event_send_reset(&error_abort);
1870 cpu_synchronize_all_post_reset();
1873 void qemu_system_reset_request(void)
1876 shutdown_requested = 1;
1878 reset_requested = 1;
1881 qemu_notify_event();
1884 static void qemu_system_suspend(void)
1887 notifier_list_notify(&suspend_notifiers, NULL);
1888 runstate_set(RUN_STATE_SUSPENDED);
1889 qapi_event_send_suspend(&error_abort);
1892 void qemu_system_suspend_request(void)
1894 if (runstate_check(RUN_STATE_SUSPENDED)) {
1897 suspend_requested = 1;
1899 qemu_notify_event();
1902 void qemu_register_suspend_notifier(Notifier *notifier)
1904 notifier_list_add(&suspend_notifiers, notifier);
1907 void qemu_system_wakeup_request(WakeupReason reason)
1909 trace_system_wakeup_request(reason);
1911 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1914 if (!(wakeup_reason_mask & (1 << reason))) {
1917 runstate_set(RUN_STATE_RUNNING);
1918 wakeup_reason = reason;
1919 qemu_notify_event();
1922 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1925 wakeup_reason_mask |= (1 << reason);
1927 wakeup_reason_mask &= ~(1 << reason);
1931 void qemu_register_wakeup_notifier(Notifier *notifier)
1933 notifier_list_add(&wakeup_notifiers, notifier);
1936 void qemu_system_killed(int signal, pid_t pid)
1938 shutdown_signal = signal;
1941 qemu_system_shutdown_request();
1944 void qemu_system_shutdown_request(void)
1946 trace_qemu_system_shutdown_request();
1947 shutdown_requested = 1;
1948 qemu_notify_event();
1951 static void qemu_system_powerdown(void)
1953 qapi_event_send_powerdown(&error_abort);
1954 notifier_list_notify(&powerdown_notifiers, NULL);
1957 void qemu_system_powerdown_request(void)
1959 trace_qemu_system_powerdown_request();
1960 powerdown_requested = 1;
1961 qemu_notify_event();
1964 void qemu_register_powerdown_notifier(Notifier *notifier)
1966 notifier_list_add(&powerdown_notifiers, notifier);
1969 void qemu_system_debug_request(void)
1971 debug_requested = 1;
1972 qemu_notify_event();
1975 static bool main_loop_should_exit(void)
1978 if (qemu_debug_requested()) {
1979 vm_stop(RUN_STATE_DEBUG);
1981 if (qemu_suspend_requested()) {
1982 qemu_system_suspend();
1984 if (qemu_shutdown_requested()) {
1986 qapi_event_send_shutdown(&error_abort);
1988 vm_stop(RUN_STATE_SHUTDOWN);
1993 if (qemu_reset_requested()) {
1995 cpu_synchronize_all_states();
1996 qemu_system_reset(VMRESET_REPORT);
1998 if (runstate_needs_reset()) {
1999 runstate_set(RUN_STATE_PAUSED);
2002 if (qemu_wakeup_requested()) {
2004 cpu_synchronize_all_states();
2005 qemu_system_reset(VMRESET_SILENT);
2006 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2007 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2009 qapi_event_send_wakeup(&error_abort);
2011 if (qemu_powerdown_requested()) {
2012 qemu_system_powerdown();
2014 if (qemu_vmstop_requested(&r)) {
2020 static void main_loop(void)
2024 #ifdef CONFIG_PROFILER
2028 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2029 #ifdef CONFIG_PROFILER
2030 ti = profile_getclock();
2032 last_io = main_loop_wait(nonblocking);
2033 #ifdef CONFIG_PROFILER
2034 dev_time += profile_getclock() - ti;
2036 } while (!main_loop_should_exit());
2039 static void version(void)
2041 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2044 static void help(int exitcode)
2047 printf("usage: %s [options] [disk_image]\n\n"
2048 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2049 error_get_progname());
2051 #define QEMU_OPTIONS_GENERATE_HELP
2052 #include "qemu-options-wrapper.h"
2054 printf("\nDuring emulation, the following keys are useful:\n"
2055 "ctrl-alt-f toggle full screen\n"
2056 "ctrl-alt-n switch to virtual console 'n'\n"
2057 "ctrl-alt toggle mouse and keyboard grab\n"
2059 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2064 #define HAS_ARG 0x0001
2066 typedef struct QEMUOption {
2073 static const QEMUOption qemu_options[] = {
2074 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2075 #define QEMU_OPTIONS_GENERATE_OPTIONS
2076 #include "qemu-options-wrapper.h"
2080 static bool vga_available(void)
2082 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2085 static bool cirrus_vga_available(void)
2087 return object_class_by_name("cirrus-vga")
2088 || object_class_by_name("isa-cirrus-vga");
2091 static bool vmware_vga_available(void)
2093 return object_class_by_name("vmware-svga");
2096 static bool qxl_vga_available(void)
2098 return object_class_by_name("qxl-vga");
2101 static bool tcx_vga_available(void)
2103 return object_class_by_name("SUNW,tcx");
2106 static bool cg3_vga_available(void)
2108 return object_class_by_name("cgthree");
2111 static void select_vgahw (const char *p)
2115 assert(vga_interface_type == VGA_NONE);
2116 if (strstart(p, "std", &opts)) {
2117 if (vga_available()) {
2118 vga_interface_type = VGA_STD;
2120 fprintf(stderr, "Error: standard VGA not available\n");
2123 } else if (strstart(p, "cirrus", &opts)) {
2124 if (cirrus_vga_available()) {
2125 vga_interface_type = VGA_CIRRUS;
2127 fprintf(stderr, "Error: Cirrus VGA not available\n");
2130 } else if (strstart(p, "vmware", &opts)) {
2131 if (vmware_vga_available()) {
2132 vga_interface_type = VGA_VMWARE;
2134 fprintf(stderr, "Error: VMWare SVGA not available\n");
2137 } else if (strstart(p, "xenfb", &opts)) {
2138 vga_interface_type = VGA_XENFB;
2139 } else if (strstart(p, "qxl", &opts)) {
2140 if (qxl_vga_available()) {
2141 vga_interface_type = VGA_QXL;
2143 fprintf(stderr, "Error: QXL VGA not available\n");
2146 } else if (strstart(p, "tcx", &opts)) {
2147 if (tcx_vga_available()) {
2148 vga_interface_type = VGA_TCX;
2150 fprintf(stderr, "Error: TCX framebuffer not available\n");
2153 } else if (strstart(p, "cg3", &opts)) {
2154 if (cg3_vga_available()) {
2155 vga_interface_type = VGA_CG3;
2157 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2160 } else if (!strstart(p, "none", &opts)) {
2162 fprintf(stderr, "Unknown vga type: %s\n", p);
2166 const char *nextopt;
2168 if (strstart(opts, ",retrace=", &nextopt)) {
2170 if (strstart(opts, "dumb", &nextopt))
2171 vga_retrace_method = VGA_RETRACE_DUMB;
2172 else if (strstart(opts, "precise", &nextopt))
2173 vga_retrace_method = VGA_RETRACE_PRECISE;
2174 else goto invalid_vga;
2175 } else goto invalid_vga;
2180 static DisplayType select_display(const char *p)
2183 DisplayType display = DT_DEFAULT;
2185 if (strstart(p, "sdl", &opts)) {
2189 const char *nextopt;
2191 if (strstart(opts, ",frame=", &nextopt)) {
2193 if (strstart(opts, "on", &nextopt)) {
2195 } else if (strstart(opts, "off", &nextopt)) {
2198 goto invalid_sdl_args;
2200 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2202 if (strstart(opts, "on", &nextopt)) {
2204 } else if (strstart(opts, "off", &nextopt)) {
2207 goto invalid_sdl_args;
2209 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2211 if (strstart(opts, "on", &nextopt)) {
2213 } else if (strstart(opts, "off", &nextopt)) {
2216 goto invalid_sdl_args;
2218 } else if (strstart(opts, ",window_close=", &nextopt)) {
2220 if (strstart(opts, "on", &nextopt)) {
2222 } else if (strstart(opts, "off", &nextopt)) {
2225 goto invalid_sdl_args;
2229 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2235 fprintf(stderr, "SDL support is disabled\n");
2238 } else if (strstart(p, "vnc", &opts)) {
2243 const char *nextopt;
2245 if (strstart(opts, "=", &nextopt)) {
2246 vnc_display = nextopt;
2250 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2254 fprintf(stderr, "VNC support is disabled\n");
2257 } else if (strstart(p, "curses", &opts)) {
2258 #ifdef CONFIG_CURSES
2259 display = DT_CURSES;
2261 fprintf(stderr, "Curses support is disabled\n");
2264 } else if (strstart(p, "gtk", &opts)) {
2268 const char *nextopt;
2270 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2272 if (strstart(opts, "on", &nextopt)) {
2273 grab_on_hover = true;
2274 } else if (strstart(opts, "off", &nextopt)) {
2275 grab_on_hover = false;
2277 goto invalid_gtk_args;
2281 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2287 fprintf(stderr, "GTK support is disabled\n");
2290 } else if (strstart(p, "none", &opts)) {
2293 fprintf(stderr, "Unknown display type: %s\n", p);
2300 static int balloon_parse(const char *arg)
2304 if (strcmp(arg, "none") == 0) {
2308 if (!strncmp(arg, "virtio", 6)) {
2309 if (arg[6] == ',') {
2310 /* have params -> parse them */
2311 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2315 /* create empty opts */
2316 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2319 qemu_opt_set(opts, "driver", "virtio-balloon");
2326 char *qemu_find_file(int type, const char *name)
2332 /* Try the name as a straight path first */
2333 if (access(name, R_OK) == 0) {
2334 trace_load_file(name, name);
2335 return g_strdup(name);
2339 case QEMU_FILE_TYPE_BIOS:
2342 case QEMU_FILE_TYPE_KEYMAP:
2343 subdir = "keymaps/";
2349 for (i = 0; i < data_dir_idx; i++) {
2350 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2351 if (access(buf, R_OK) == 0) {
2352 trace_load_file(name, buf);
2360 static int device_help_func(QemuOpts *opts, void *opaque)
2362 return qdev_device_help(opts);
2365 static int device_init_func(QemuOpts *opts, void *opaque)
2369 dev = qdev_device_add(opts);
2372 object_unref(OBJECT(dev));
2376 static int chardev_init_func(QemuOpts *opts, void *opaque)
2378 Error *local_err = NULL;
2380 qemu_chr_new_from_opts(opts, NULL, &local_err);
2382 error_report("%s", error_get_pretty(local_err));
2383 error_free(local_err);
2389 #ifdef CONFIG_VIRTFS
2390 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2393 ret = qemu_fsdev_add(opts);
2399 static int mon_init_func(QemuOpts *opts, void *opaque)
2401 CharDriverState *chr;
2402 const char *chardev;
2406 mode = qemu_opt_get(opts, "mode");
2410 if (strcmp(mode, "readline") == 0) {
2411 flags = MONITOR_USE_READLINE;
2412 } else if (strcmp(mode, "control") == 0) {
2413 flags = MONITOR_USE_CONTROL;
2415 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2419 if (qemu_opt_get_bool(opts, "pretty", 0))
2420 flags |= MONITOR_USE_PRETTY;
2422 if (qemu_opt_get_bool(opts, "default", 0))
2423 flags |= MONITOR_IS_DEFAULT;
2425 chardev = qemu_opt_get(opts, "chardev");
2426 chr = qemu_chr_find(chardev);
2428 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2432 qemu_chr_fe_claim_no_fail(chr);
2433 monitor_init(chr, flags);
2437 static void monitor_parse(const char *optarg, const char *mode)
2439 static int monitor_device_index = 0;
2445 if (strstart(optarg, "chardev:", &p)) {
2446 snprintf(label, sizeof(label), "%s", p);
2448 snprintf(label, sizeof(label), "compat_monitor%d",
2449 monitor_device_index);
2450 if (monitor_device_index == 0) {
2453 opts = qemu_chr_parse_compat(label, optarg);
2455 fprintf(stderr, "parse error: %s\n", optarg);
2460 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2462 fprintf(stderr, "duplicate chardev: %s\n", label);
2465 qemu_opt_set(opts, "mode", mode);
2466 qemu_opt_set(opts, "chardev", label);
2468 qemu_opt_set(opts, "default", "on");
2469 monitor_device_index++;
2472 struct device_config {
2474 DEV_USB, /* -usbdevice */
2476 DEV_SERIAL, /* -serial */
2477 DEV_PARALLEL, /* -parallel */
2478 DEV_VIRTCON, /* -virtioconsole */
2479 DEV_DEBUGCON, /* -debugcon */
2480 DEV_GDB, /* -gdb, -s */
2481 DEV_SCLP, /* s390 sclp */
2483 const char *cmdline;
2485 QTAILQ_ENTRY(device_config) next;
2488 static QTAILQ_HEAD(, device_config) device_configs =
2489 QTAILQ_HEAD_INITIALIZER(device_configs);
2491 static void add_device_config(int type, const char *cmdline)
2493 struct device_config *conf;
2495 conf = g_malloc0(sizeof(*conf));
2497 conf->cmdline = cmdline;
2498 loc_save(&conf->loc);
2499 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2502 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2504 struct device_config *conf;
2507 QTAILQ_FOREACH(conf, &device_configs, next) {
2508 if (conf->type != type)
2510 loc_push_restore(&conf->loc);
2511 rc = func(conf->cmdline);
2512 loc_pop(&conf->loc);
2520 static int serial_parse(const char *devname)
2522 static int index = 0;
2525 if (strcmp(devname, "none") == 0)
2527 if (index == MAX_SERIAL_PORTS) {
2528 fprintf(stderr, "qemu: too many serial ports\n");
2531 snprintf(label, sizeof(label), "serial%d", index);
2532 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2533 if (!serial_hds[index]) {
2534 fprintf(stderr, "qemu: could not connect serial device"
2535 " to character backend '%s'\n", devname);
2542 static int parallel_parse(const char *devname)
2544 static int index = 0;
2547 if (strcmp(devname, "none") == 0)
2549 if (index == MAX_PARALLEL_PORTS) {
2550 fprintf(stderr, "qemu: too many parallel ports\n");
2553 snprintf(label, sizeof(label), "parallel%d", index);
2554 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2555 if (!parallel_hds[index]) {
2556 fprintf(stderr, "qemu: could not connect parallel device"
2557 " to character backend '%s'\n", devname);
2564 static int virtcon_parse(const char *devname)
2566 QemuOptsList *device = qemu_find_opts("device");
2567 static int index = 0;
2569 QemuOpts *bus_opts, *dev_opts;
2571 if (strcmp(devname, "none") == 0)
2573 if (index == MAX_VIRTIO_CONSOLES) {
2574 fprintf(stderr, "qemu: too many virtio consoles\n");
2578 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2579 if (arch_type == QEMU_ARCH_S390X) {
2580 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2582 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2585 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2586 qemu_opt_set(dev_opts, "driver", "virtconsole");
2588 snprintf(label, sizeof(label), "virtcon%d", index);
2589 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2590 if (!virtcon_hds[index]) {
2591 fprintf(stderr, "qemu: could not connect virtio console"
2592 " to character backend '%s'\n", devname);
2595 qemu_opt_set(dev_opts, "chardev", label);
2601 static int sclp_parse(const char *devname)
2603 QemuOptsList *device = qemu_find_opts("device");
2604 static int index = 0;
2608 if (strcmp(devname, "none") == 0) {
2611 if (index == MAX_SCLP_CONSOLES) {
2612 fprintf(stderr, "qemu: too many sclp consoles\n");
2616 assert(arch_type == QEMU_ARCH_S390X);
2618 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2619 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2621 snprintf(label, sizeof(label), "sclpcon%d", index);
2622 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2623 if (!sclp_hds[index]) {
2624 fprintf(stderr, "qemu: could not connect sclp console"
2625 " to character backend '%s'\n", devname);
2628 qemu_opt_set(dev_opts, "chardev", label);
2634 static int debugcon_parse(const char *devname)
2638 if (!qemu_chr_new("debugcon", devname, NULL)) {
2641 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2643 fprintf(stderr, "qemu: already have a debugcon device\n");
2646 qemu_opt_set(opts, "driver", "isa-debugcon");
2647 qemu_opt_set(opts, "chardev", "debugcon");
2651 static MachineClass *machine_parse(const char *name)
2653 MachineClass *mc = NULL;
2654 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2657 mc = find_machine(name);
2662 if (name && !is_help_option(name)) {
2663 error_report("Unsupported machine type");
2664 error_printf("Use -machine help to list supported machines!\n");
2666 printf("Supported machines are:\n");
2667 for (el = machines; el; el = el->next) {
2668 MachineClass *mc = el->data;
2670 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2672 printf("%-20s %s%s\n", mc->name, mc->desc,
2673 mc->is_default ? " (default)" : "");
2677 g_slist_free(machines);
2678 exit(!name || !is_help_option(name));
2681 static int tcg_init(MachineClass *mc)
2683 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2688 const char *opt_name;
2690 int (*available)(void);
2691 int (*init)(MachineClass *mc);
2694 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2695 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2696 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2697 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2700 static int configure_accelerator(MachineClass *mc)
2705 bool accel_initialised = false;
2706 bool init_failed = false;
2708 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2710 /* Use the default "accelerator", tcg */
2714 while (!accel_initialised && *p != '\0') {
2718 p = get_opt_name(buf, sizeof (buf), p, ':');
2719 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2720 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2721 if (!accel_list[i].available()) {
2722 printf("%s not supported for this target\n",
2723 accel_list[i].name);
2726 *(accel_list[i].allowed) = true;
2727 ret = accel_list[i].init(mc);
2730 fprintf(stderr, "failed to initialize %s: %s\n",
2733 *(accel_list[i].allowed) = false;
2735 accel_initialised = true;
2740 if (i == ARRAY_SIZE(accel_list)) {
2741 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2745 if (!accel_initialised) {
2747 fprintf(stderr, "No accelerator found!\n");
2753 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2756 return !accel_initialised;
2759 void qemu_add_exit_notifier(Notifier *notify)
2761 notifier_list_add(&exit_notifiers, notify);
2764 void qemu_remove_exit_notifier(Notifier *notify)
2766 notifier_remove(notify);
2769 static void qemu_run_exit_notifiers(void)
2771 notifier_list_notify(&exit_notifiers, NULL);
2774 void qemu_add_machine_init_done_notifier(Notifier *notify)
2776 notifier_list_add(&machine_init_done_notifiers, notify);
2779 static void qemu_run_machine_init_done_notifiers(void)
2781 notifier_list_notify(&machine_init_done_notifiers, NULL);
2784 static const QEMUOption *lookup_opt(int argc, char **argv,
2785 const char **poptarg, int *poptind)
2787 const QEMUOption *popt;
2788 int optind = *poptind;
2789 char *r = argv[optind];
2792 loc_set_cmdline(argv, optind, 1);
2794 /* Treat --foo the same as -foo. */
2797 popt = qemu_options;
2800 error_report("invalid option");
2803 if (!strcmp(popt->name, r + 1))
2807 if (popt->flags & HAS_ARG) {
2808 if (optind >= argc) {
2809 error_report("requires an argument");
2812 optarg = argv[optind++];
2813 loc_set_cmdline(argv, optind - 2, 2);
2824 static gpointer malloc_and_trace(gsize n_bytes)
2826 void *ptr = malloc(n_bytes);
2827 trace_g_malloc(n_bytes, ptr);
2831 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2833 void *ptr = realloc(mem, n_bytes);
2834 trace_g_realloc(mem, n_bytes, ptr);
2838 static void free_and_trace(gpointer mem)
2844 static int machine_set_property(const char *name, const char *value,
2847 Object *obj = OBJECT(opaque);
2848 StringInputVisitor *siv;
2849 Error *local_err = NULL;
2852 if (strcmp(name, "type") == 0) {
2856 qom_name = g_strdup(name);
2864 siv = string_input_visitor_new(value);
2865 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2866 string_input_visitor_cleanup(siv);
2870 qerror_report_err(local_err);
2871 error_free(local_err);
2878 static int object_create(QemuOpts *opts, void *opaque)
2887 ov = opts_visitor_new(opts);
2888 pdict = qemu_opts_to_qdict(opts, NULL);
2890 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2895 qdict_del(pdict, "qom-type");
2896 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2901 qdict_del(pdict, "id");
2902 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2907 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2911 visit_end_struct(opts_get_visitor(ov), &err);
2913 qmp_object_del(id, NULL);
2917 opts_visitor_cleanup(ov);
2924 qerror_report_err(err);
2931 int main(int argc, char **argv, char **envp)
2934 int snapshot, linux_boot;
2935 const char *initrd_filename;
2936 const char *kernel_filename, *kernel_cmdline;
2937 const char *boot_order;
2939 int cyls, heads, secs, translation;
2940 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2941 QemuOptsList *olist;
2944 const char *loadvm = NULL;
2945 MachineClass *machine_class;
2946 const char *cpu_model;
2947 const char *vga_model = NULL;
2948 const char *qtest_chrdev = NULL;
2949 const char *qtest_log = NULL;
2950 const char *pid_file = NULL;
2951 const char *incoming = NULL;
2953 int show_vnc_port = 0;
2955 bool defconfig = true;
2956 bool userconfig = true;
2957 const char *log_mask = NULL;
2958 const char *log_file = NULL;
2959 GMemVTable mem_trace = {
2960 .malloc = malloc_and_trace,
2961 .realloc = realloc_and_trace,
2962 .free = free_and_trace,
2964 const char *trace_events = NULL;
2965 const char *trace_file = NULL;
2966 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2968 ram_addr_t maxram_size = default_ram_size;
2969 uint64_t ram_slots = 0;
2970 FILE *vmstate_dump_file = NULL;
2972 atexit(qemu_run_exit_notifiers);
2973 error_set_progname(argv[0]);
2974 qemu_init_exec_dir(argv[0]);
2976 g_mem_set_vtable(&mem_trace);
2978 module_call_init(MODULE_INIT_QOM);
2980 qemu_add_opts(&qemu_drive_opts);
2981 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2982 qemu_add_drive_opts(&qemu_common_drive_opts);
2983 qemu_add_drive_opts(&qemu_drive_opts);
2984 qemu_add_opts(&qemu_chardev_opts);
2985 qemu_add_opts(&qemu_device_opts);
2986 qemu_add_opts(&qemu_netdev_opts);
2987 qemu_add_opts(&qemu_net_opts);
2988 qemu_add_opts(&qemu_rtc_opts);
2989 qemu_add_opts(&qemu_global_opts);
2990 qemu_add_opts(&qemu_mon_opts);
2991 qemu_add_opts(&qemu_trace_opts);
2992 qemu_add_opts(&qemu_option_rom_opts);
2993 qemu_add_opts(&qemu_machine_opts);
2994 qemu_add_opts(&qemu_mem_opts);
2995 qemu_add_opts(&qemu_smp_opts);
2996 qemu_add_opts(&qemu_boot_opts);
2997 qemu_add_opts(&qemu_sandbox_opts);
2998 qemu_add_opts(&qemu_add_fd_opts);
2999 qemu_add_opts(&qemu_object_opts);
3000 qemu_add_opts(&qemu_tpmdev_opts);
3001 qemu_add_opts(&qemu_realtime_opts);
3002 qemu_add_opts(&qemu_msg_opts);
3003 qemu_add_opts(&qemu_name_opts);
3004 qemu_add_opts(&qemu_numa_opts);
3005 qemu_add_opts(&qemu_icount_opts);
3009 rtc_clock = QEMU_CLOCK_HOST;
3011 QLIST_INIT (&vm_change_state_head);
3012 os_setup_early_signal_handling();
3014 module_call_init(MODULE_INIT_MACHINE);
3015 machine_class = find_default_machine();
3017 ram_size = default_ram_size;
3019 cyls = heads = secs = 0;
3020 translation = BIOS_ATA_TRANSLATION_AUTO;
3022 for (i = 0; i < MAX_NODES; i++) {
3023 numa_info[i].node_mem = 0;
3024 numa_info[i].present = false;
3025 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3029 max_numa_nodeid = 0;
3032 bdrv_init_with_whitelist();
3036 /* first pass of option parsing */
3038 while (optind < argc) {
3039 if (argv[optind][0] != '-') {
3043 const QEMUOption *popt;
3045 popt = lookup_opt(argc, argv, &optarg, &optind);
3046 switch (popt->index) {
3047 case QEMU_OPTION_nodefconfig:
3050 case QEMU_OPTION_nouserconfig:
3059 ret = qemu_read_default_config_files(userconfig);
3065 /* second pass of option parsing */
3070 if (argv[optind][0] != '-') {
3071 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3073 const QEMUOption *popt;
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 if (!(popt->arch_mask & arch_type)) {
3077 printf("Option %s not supported for this target\n", popt->name);
3080 switch(popt->index) {
3082 machine_class = machine_parse(optarg);
3084 case QEMU_OPTION_no_kvm_irqchip: {
3085 olist = qemu_find_opts("machine");
3086 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3089 case QEMU_OPTION_cpu:
3090 /* hw initialization will check this */
3093 case QEMU_OPTION_hda:
3097 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3099 snprintf(buf, sizeof(buf),
3100 "%s,cyls=%d,heads=%d,secs=%d%s",
3101 HD_OPTS , cyls, heads, secs,
3102 translation == BIOS_ATA_TRANSLATION_LBA ?
3104 translation == BIOS_ATA_TRANSLATION_NONE ?
3105 ",trans=none" : "");
3106 drive_add(IF_DEFAULT, 0, optarg, buf);
3109 case QEMU_OPTION_hdb:
3110 case QEMU_OPTION_hdc:
3111 case QEMU_OPTION_hdd:
3112 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3115 case QEMU_OPTION_drive:
3116 if (drive_def(optarg) == NULL) {
3120 case QEMU_OPTION_set:
3121 if (qemu_set_option(optarg) != 0)
3124 case QEMU_OPTION_global:
3125 if (qemu_global_option(optarg) != 0)
3128 case QEMU_OPTION_mtdblock:
3129 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3131 case QEMU_OPTION_sd:
3132 drive_add(IF_SD, -1, optarg, SD_OPTS);
3134 case QEMU_OPTION_pflash:
3135 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3137 case QEMU_OPTION_snapshot:
3140 case QEMU_OPTION_hdachs:
3144 cyls = strtol(p, (char **)&p, 0);
3145 if (cyls < 1 || cyls > 16383)
3150 heads = strtol(p, (char **)&p, 0);
3151 if (heads < 1 || heads > 16)
3156 secs = strtol(p, (char **)&p, 0);
3157 if (secs < 1 || secs > 63)
3161 if (!strcmp(p, "large")) {
3162 translation = BIOS_ATA_TRANSLATION_LARGE;
3163 } else if (!strcmp(p, "rechs")) {
3164 translation = BIOS_ATA_TRANSLATION_RECHS;
3165 } else if (!strcmp(p, "none")) {
3166 translation = BIOS_ATA_TRANSLATION_NONE;
3167 } else if (!strcmp(p, "lba")) {
3168 translation = BIOS_ATA_TRANSLATION_LBA;
3169 } else if (!strcmp(p, "auto")) {
3170 translation = BIOS_ATA_TRANSLATION_AUTO;
3174 } else if (*p != '\0') {
3176 fprintf(stderr, "qemu: invalid physical CHS format\n");
3179 if (hda_opts != NULL) {
3181 snprintf(num, sizeof(num), "%d", cyls);
3182 qemu_opt_set(hda_opts, "cyls", num);
3183 snprintf(num, sizeof(num), "%d", heads);
3184 qemu_opt_set(hda_opts, "heads", num);
3185 snprintf(num, sizeof(num), "%d", secs);
3186 qemu_opt_set(hda_opts, "secs", num);
3187 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3188 qemu_opt_set(hda_opts, "trans", "large");
3189 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3190 qemu_opt_set(hda_opts, "trans", "rechs");
3191 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3192 qemu_opt_set(hda_opts, "trans", "lba");
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none");
3199 case QEMU_OPTION_numa:
3200 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3205 case QEMU_OPTION_display:
3206 display_type = select_display(optarg);
3208 case QEMU_OPTION_nographic:
3209 display_type = DT_NOGRAPHIC;
3211 case QEMU_OPTION_curses:
3212 #ifdef CONFIG_CURSES
3213 display_type = DT_CURSES;
3215 fprintf(stderr, "Curses support is disabled\n");
3219 case QEMU_OPTION_portrait:
3220 graphic_rotate = 90;
3222 case QEMU_OPTION_rotate:
3223 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3224 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3225 graphic_rotate != 180 && graphic_rotate != 270) {
3227 "qemu: only 90, 180, 270 deg rotation is available\n");
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3234 case QEMU_OPTION_initrd:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3237 case QEMU_OPTION_append:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3240 case QEMU_OPTION_dtb:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3243 case QEMU_OPTION_cdrom:
3244 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3246 case QEMU_OPTION_boot:
3247 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3252 case QEMU_OPTION_fda:
3253 case QEMU_OPTION_fdb:
3254 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3257 case QEMU_OPTION_no_fd_bootchk:
3260 case QEMU_OPTION_netdev:
3261 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3265 case QEMU_OPTION_net:
3266 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3270 #ifdef CONFIG_LIBISCSI
3271 case QEMU_OPTION_iscsi:
3272 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3279 case QEMU_OPTION_tftp:
3280 legacy_tftp_prefix = optarg;
3282 case QEMU_OPTION_bootp:
3283 legacy_bootp_filename = optarg;
3285 case QEMU_OPTION_redir:
3286 if (net_slirp_redir(optarg) < 0)
3290 case QEMU_OPTION_bt:
3291 add_device_config(DEV_BT, optarg);
3293 case QEMU_OPTION_audio_help:
3297 case QEMU_OPTION_soundhw:
3298 select_soundhw (optarg);
3303 case QEMU_OPTION_version:
3307 case QEMU_OPTION_m: {
3309 const char *mem_str;
3310 const char *maxmem_str, *slots_str;
3312 opts = qemu_opts_parse(qemu_find_opts("memory"),
3318 mem_str = qemu_opt_get(opts, "size");
3320 error_report("invalid -m option, missing 'size' option");
3324 error_report("missing 'size' option value");
3328 sz = qemu_opt_get_size(opts, "size", ram_size);
3330 /* Fix up legacy suffix-less format */
3331 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3332 uint64_t overflow_check = sz;
3335 if ((sz >> 20) != overflow_check) {
3336 error_report("too large 'size' option value");
3341 /* backward compatibility behaviour for case "-m 0" */
3343 sz = default_ram_size;
3346 sz = QEMU_ALIGN_UP(sz, 8192);
3348 if (ram_size != sz) {
3349 error_report("ram size too large");
3352 maxram_size = ram_size;
3354 maxmem_str = qemu_opt_get(opts, "maxmem");
3355 slots_str = qemu_opt_get(opts, "slots");
3356 if (maxmem_str && slots_str) {
3359 sz = qemu_opt_get_size(opts, "maxmem", 0);
3360 if (sz < ram_size) {
3361 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3362 "(%" PRIu64 ") <= initial memory ("
3363 RAM_ADDR_FMT ")\n", sz, ram_size);
3367 slots = qemu_opt_get_number(opts, "slots", 0);
3368 if ((sz > ram_size) && !slots) {
3369 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3370 "(%" PRIu64 ") more than initial memory ("
3371 RAM_ADDR_FMT ") but no hotplug slots where "
3372 "specified\n", sz, ram_size);
3376 if ((sz <= ram_size) && slots) {
3377 fprintf(stderr, "qemu: invalid -m option value: %"
3378 PRIu64 " hotplug slots where specified but "
3379 "maxmem (%" PRIu64 ") <= initial memory ("
3380 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3385 } else if ((!maxmem_str && slots_str) ||
3386 (maxmem_str && !slots_str)) {
3387 fprintf(stderr, "qemu: invalid -m option value: missing "
3388 "'%s' option\n", slots_str ? "maxmem" : "slots");
3394 case QEMU_OPTION_tpmdev:
3395 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3400 case QEMU_OPTION_mempath:
3403 case QEMU_OPTION_mem_prealloc:
3413 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3415 case QEMU_OPTION_gdb:
3416 add_device_config(DEV_GDB, optarg);
3419 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3420 data_dir[data_dir_idx++] = optarg;
3423 case QEMU_OPTION_bios:
3424 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3426 case QEMU_OPTION_singlestep:
3433 keyboard_layout = optarg;
3435 case QEMU_OPTION_localtime:
3438 case QEMU_OPTION_vga:
3447 w = strtol(p, (char **)&p, 10);
3450 fprintf(stderr, "qemu: invalid resolution or depth\n");
3456 h = strtol(p, (char **)&p, 10);
3461 depth = strtol(p, (char **)&p, 10);
3462 if (depth != 8 && depth != 15 && depth != 16 &&
3463 depth != 24 && depth != 32)
3465 } else if (*p == '\0') {
3466 depth = graphic_depth;
3473 graphic_depth = depth;
3476 case QEMU_OPTION_echr:
3479 term_escape_char = strtol(optarg, &r, 0);
3481 printf("Bad argument to echr\n");
3484 case QEMU_OPTION_monitor:
3485 default_monitor = 0;
3486 if (strncmp(optarg, "none", 4)) {
3487 monitor_parse(optarg, "readline");
3490 case QEMU_OPTION_qmp:
3491 monitor_parse(optarg, "control");
3492 default_monitor = 0;
3494 case QEMU_OPTION_mon:
3495 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3499 default_monitor = 0;
3501 case QEMU_OPTION_chardev:
3502 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3507 case QEMU_OPTION_fsdev:
3508 olist = qemu_find_opts("fsdev");
3510 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3513 opts = qemu_opts_parse(olist, optarg, 1);
3518 case QEMU_OPTION_virtfs: {
3521 const char *writeout, *sock_fd, *socket;
3523 olist = qemu_find_opts("virtfs");
3525 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3528 opts = qemu_opts_parse(olist, optarg, 1);
3533 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3534 qemu_opt_get(opts, "mount_tag") == NULL) {
3535 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3538 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3539 qemu_opt_get(opts, "mount_tag"),
3542 fprintf(stderr, "duplicate fsdev id: %s\n",
3543 qemu_opt_get(opts, "mount_tag"));
3547 writeout = qemu_opt_get(opts, "writeout");
3549 #ifdef CONFIG_SYNC_FILE_RANGE
3550 qemu_opt_set(fsdev, "writeout", writeout);
3552 fprintf(stderr, "writeout=immediate not supported on "
3557 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3558 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3559 qemu_opt_set(fsdev, "security_model",
3560 qemu_opt_get(opts, "security_model"));
3561 socket = qemu_opt_get(opts, "socket");
3563 qemu_opt_set(fsdev, "socket", socket);
3565 sock_fd = qemu_opt_get(opts, "sock_fd");
3567 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3570 qemu_opt_set_bool(fsdev, "readonly",
3571 qemu_opt_get_bool(opts, "readonly", 0));
3572 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3574 qemu_opt_set(device, "driver", "virtio-9p-pci");
3575 qemu_opt_set(device, "fsdev",
3576 qemu_opt_get(opts, "mount_tag"));
3577 qemu_opt_set(device, "mount_tag",
3578 qemu_opt_get(opts, "mount_tag"));
3581 case QEMU_OPTION_virtfs_synth: {
3585 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3588 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3591 qemu_opt_set(fsdev, "fsdriver", "synth");
3593 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3595 qemu_opt_set(device, "driver", "virtio-9p-pci");
3596 qemu_opt_set(device, "fsdev", "v_synth");
3597 qemu_opt_set(device, "mount_tag", "v_synth");
3600 case QEMU_OPTION_serial:
3601 add_device_config(DEV_SERIAL, optarg);
3603 if (strncmp(optarg, "mon:", 4) == 0) {
3604 default_monitor = 0;
3607 case QEMU_OPTION_watchdog:
3610 "qemu: only one watchdog option may be given\n");
3615 case QEMU_OPTION_watchdog_action:
3616 if (select_watchdog_action(optarg) == -1) {
3617 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3621 case QEMU_OPTION_virtiocon:
3622 add_device_config(DEV_VIRTCON, optarg);
3623 default_virtcon = 0;
3624 if (strncmp(optarg, "mon:", 4) == 0) {
3625 default_monitor = 0;
3628 case QEMU_OPTION_parallel:
3629 add_device_config(DEV_PARALLEL, optarg);
3630 default_parallel = 0;
3631 if (strncmp(optarg, "mon:", 4) == 0) {
3632 default_monitor = 0;
3635 case QEMU_OPTION_debugcon:
3636 add_device_config(DEV_DEBUGCON, optarg);
3638 case QEMU_OPTION_loadvm:
3641 case QEMU_OPTION_full_screen:
3644 case QEMU_OPTION_no_frame:
3647 case QEMU_OPTION_alt_grab:
3650 case QEMU_OPTION_ctrl_grab:
3653 case QEMU_OPTION_no_quit:
3656 case QEMU_OPTION_sdl:
3658 display_type = DT_SDL;
3661 fprintf(stderr, "SDL support is disabled\n");
3664 case QEMU_OPTION_pidfile:
3667 case QEMU_OPTION_win2k_hack:
3668 win2k_install_hack = 1;
3670 case QEMU_OPTION_rtc_td_hack: {
3671 static GlobalProperty slew_lost_ticks[] = {
3673 .driver = "mc146818rtc",
3674 .property = "lost_tick_policy",
3677 { /* end of list */ }
3680 qdev_prop_register_global_list(slew_lost_ticks);
3683 case QEMU_OPTION_acpitable:
3684 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3688 do_acpitable_option(opts);
3690 case QEMU_OPTION_smbios:
3691 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3695 do_smbios_option(opts);
3697 case QEMU_OPTION_enable_kvm:
3698 olist = qemu_find_opts("machine");
3699 qemu_opts_parse(olist, "accel=kvm", 0);
3701 case QEMU_OPTION_machine:
3702 olist = qemu_find_opts("machine");
3703 opts = qemu_opts_parse(olist, optarg, 1);
3707 optarg = qemu_opt_get(opts, "type");
3709 machine_class = machine_parse(optarg);
3712 case QEMU_OPTION_no_kvm:
3713 olist = qemu_find_opts("machine");
3714 qemu_opts_parse(olist, "accel=tcg", 0);
3716 case QEMU_OPTION_no_kvm_pit: {
3717 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3721 case QEMU_OPTION_no_kvm_pit_reinjection: {
3722 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3724 .driver = "kvm-pit",
3725 .property = "lost_tick_policy",
3728 { /* end of list */ }
3731 fprintf(stderr, "Warning: option deprecated, use "
3732 "lost_tick_policy property of kvm-pit instead.\n");
3733 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3736 case QEMU_OPTION_usb:
3737 olist = qemu_find_opts("machine");
3738 qemu_opts_parse(olist, "usb=on", 0);
3740 case QEMU_OPTION_usbdevice:
3741 olist = qemu_find_opts("machine");
3742 qemu_opts_parse(olist, "usb=on", 0);
3743 add_device_config(DEV_USB, optarg);
3745 case QEMU_OPTION_device:
3746 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3750 case QEMU_OPTION_smp:
3751 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3755 case QEMU_OPTION_vnc:
3758 vnc_display = optarg;
3760 fprintf(stderr, "VNC support is disabled\n");
3764 case QEMU_OPTION_no_acpi:
3767 case QEMU_OPTION_no_hpet:
3770 case QEMU_OPTION_balloon:
3771 if (balloon_parse(optarg) < 0) {
3772 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3776 case QEMU_OPTION_no_reboot:
3779 case QEMU_OPTION_no_shutdown:
3782 case QEMU_OPTION_show_cursor:
3785 case QEMU_OPTION_uuid:
3786 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3787 fprintf(stderr, "Fail to parse UUID string."
3788 " Wrong format.\n");
3791 qemu_uuid_set = true;
3793 case QEMU_OPTION_option_rom:
3794 if (nb_option_roms >= MAX_OPTION_ROMS) {
3795 fprintf(stderr, "Too many option ROMs\n");
3798 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3802 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3803 option_rom[nb_option_roms].bootindex =
3804 qemu_opt_get_number(opts, "bootindex", -1);
3805 if (!option_rom[nb_option_roms].name) {
3806 fprintf(stderr, "Option ROM file is not specified\n");
3811 case QEMU_OPTION_semihosting:
3812 semihosting_enabled = 1;
3814 case QEMU_OPTION_tdf:
3815 fprintf(stderr, "Warning: user space PIT time drift fix "
3816 "is no longer supported.\n");
3818 case QEMU_OPTION_name:
3819 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3824 case QEMU_OPTION_prom_env:
3825 if (nb_prom_envs >= MAX_PROM_ENVS) {
3826 fprintf(stderr, "Too many prom variables\n");
3829 prom_envs[nb_prom_envs] = optarg;
3832 case QEMU_OPTION_old_param:
3835 case QEMU_OPTION_clock:
3836 /* Clock options no longer exist. Keep this option for
3837 * backward compatibility.
3840 case QEMU_OPTION_startdate:
3841 configure_rtc_date_offset(optarg, 1);
3843 case QEMU_OPTION_rtc:
3844 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3848 configure_rtc(opts);
3850 case QEMU_OPTION_tb_size:
3851 tcg_tb_size = strtol(optarg, NULL, 0);
3852 if (tcg_tb_size < 0) {
3856 case QEMU_OPTION_icount:
3857 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3863 case QEMU_OPTION_incoming:
3865 runstate_set(RUN_STATE_INMIGRATE);
3867 case QEMU_OPTION_nodefaults:
3870 case QEMU_OPTION_xen_domid:
3871 if (!(xen_available())) {
3872 printf("Option %s not supported for this target\n", popt->name);
3875 xen_domid = atoi(optarg);
3877 case QEMU_OPTION_xen_create:
3878 if (!(xen_available())) {
3879 printf("Option %s not supported for this target\n", popt->name);
3882 xen_mode = XEN_CREATE;
3884 case QEMU_OPTION_xen_attach:
3885 if (!(xen_available())) {
3886 printf("Option %s not supported for this target\n", popt->name);
3889 xen_mode = XEN_ATTACH;
3891 case QEMU_OPTION_trace:
3893 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3897 trace_events = qemu_opt_get(opts, "events");
3898 trace_file = qemu_opt_get(opts, "file");
3901 case QEMU_OPTION_readconfig:
3903 int ret = qemu_read_config_file(optarg);
3905 fprintf(stderr, "read config %s: %s\n", optarg,
3911 case QEMU_OPTION_spice:
3912 olist = qemu_find_opts("spice");
3914 fprintf(stderr, "spice is not supported by this qemu build.\n");
3917 opts = qemu_opts_parse(olist, optarg, 0);
3923 case QEMU_OPTION_writeconfig:
3926 if (strcmp(optarg, "-") == 0) {
3929 fp = fopen(optarg, "w");
3931 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3935 qemu_config_write(fp);
3941 case QEMU_OPTION_qtest:
3942 qtest_chrdev = optarg;
3944 case QEMU_OPTION_qtest_log:
3947 case QEMU_OPTION_sandbox:
3948 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3953 case QEMU_OPTION_add_fd:
3955 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3960 error_report("File descriptor passing is disabled on this "
3965 case QEMU_OPTION_object:
3966 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3971 case QEMU_OPTION_realtime:
3972 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3976 configure_realtime(opts);
3978 case QEMU_OPTION_msg:
3979 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3983 configure_msg(opts);
3985 case QEMU_OPTION_dump_vmstate:
3986 vmstate_dump_file = fopen(optarg, "w");
3987 if (vmstate_dump_file == NULL) {
3988 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3993 os_parse_cmd_args(popt->index, optarg);
4001 if (qemu_init_main_loop()) {
4002 fprintf(stderr, "qemu_init_main_loop failed\n");
4006 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4010 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4015 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4019 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4024 if (machine_class == NULL) {
4025 fprintf(stderr, "No machine specified, and there is no default.\n"
4026 "Use -machine help to list supported machines!\n");
4030 current_machine = MACHINE(object_new(object_class_get_name(
4031 OBJECT_CLASS(machine_class))));
4032 object_property_add_child(object_get_root(), "machine",
4033 OBJECT(current_machine), &error_abort);
4034 cpu_exec_init_all();
4036 if (machine_class->hw_version) {
4037 qemu_set_version(machine_class->hw_version);
4040 /* Init CPU def lists, based on config
4041 * - Must be called after all the qemu_read_config_file() calls
4042 * - Must be called before list_cpus()
4043 * - Must be called before machine->init()
4047 if (cpu_model && is_help_option(cpu_model)) {
4048 list_cpus(stdout, &fprintf, cpu_model);
4052 /* Open the logfile at this point, if necessary. We can't open the logfile
4053 * when encountering either of the logging options (-d or -D) because the
4054 * other one may be encountered later on the command line, changing the
4055 * location or level of logging.
4060 qemu_set_log_filename(log_file);
4063 mask = qemu_str_to_log_mask(log_mask);
4065 qemu_print_log_usage(stdout);
4071 if (!is_daemonized()) {
4072 if (!trace_init_backends(trace_events, trace_file)) {
4077 /* If no data_dir is specified then try to find it relative to the
4079 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4080 data_dir[data_dir_idx] = os_find_datadir();
4081 if (data_dir[data_dir_idx] != NULL) {
4085 /* If all else fails use the install path specified when building. */
4086 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4087 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4090 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4092 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4093 if (smp_cpus > machine_class->max_cpus) {
4094 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4095 "supported by machine `%s' (%d)\n", smp_cpus,
4096 machine_class->name, machine_class->max_cpus);
4101 * Get the default machine options from the machine if it is not already
4102 * specified either by the configuration file or by the command line.
4104 if (machine_class->default_machine_opts) {
4105 qemu_opts_set_defaults(qemu_find_opts("machine"),
4106 machine_class->default_machine_opts, 0);
4109 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4110 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4112 if (!vga_model && !default_vga) {
4113 vga_interface_type = VGA_DEVICE;
4115 if (!has_defaults || machine_class->no_serial) {
4118 if (!has_defaults || machine_class->no_parallel) {
4119 default_parallel = 0;
4121 if (!has_defaults || !machine_class->use_virtcon) {
4122 default_virtcon = 0;
4124 if (!has_defaults || !machine_class->use_sclp) {
4127 if (!has_defaults || machine_class->no_floppy) {
4130 if (!has_defaults || machine_class->no_cdrom) {
4133 if (!has_defaults || machine_class->no_sdcard) {
4136 if (!has_defaults) {
4137 default_monitor = 0;
4142 if (is_daemonized()) {
4143 /* According to documentation and historically, -nographic redirects
4144 * serial port, parallel port and monitor to stdio, which does not work
4145 * with -daemonize. We can redirect these to null instead, but since
4146 * -nographic is legacy, let's just error out.
4147 * We disallow -nographic only if all other ports are not redirected
4148 * explicitly, to not break existing legacy setups which uses
4149 * -nographic _and_ redirects all ports explicitly - this is valid
4150 * usage, -nographic is just a no-op in this case.
4152 if (display_type == DT_NOGRAPHIC
4153 && (default_parallel || default_serial
4154 || default_monitor || default_virtcon)) {
4155 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4158 #ifdef CONFIG_CURSES
4159 if (display_type == DT_CURSES) {
4160 fprintf(stderr, "curses display can not be used with -daemonize\n");
4166 if (display_type == DT_NOGRAPHIC) {
4167 if (default_parallel)
4168 add_device_config(DEV_PARALLEL, "null");
4169 if (default_serial && default_monitor) {
4170 add_device_config(DEV_SERIAL, "mon:stdio");
4171 } else if (default_virtcon && default_monitor) {
4172 add_device_config(DEV_VIRTCON, "mon:stdio");
4173 } else if (default_sclp && default_monitor) {
4174 add_device_config(DEV_SCLP, "mon:stdio");
4177 add_device_config(DEV_SERIAL, "stdio");
4178 if (default_virtcon)
4179 add_device_config(DEV_VIRTCON, "stdio");
4181 add_device_config(DEV_SCLP, "stdio");
4183 if (default_monitor)
4184 monitor_parse("stdio", "readline");
4188 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4189 if (default_parallel)
4190 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4191 if (default_monitor)
4192 monitor_parse("vc:80Cx24C", "readline");
4193 if (default_virtcon)
4194 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4196 add_device_config(DEV_SCLP, "vc:80Cx24C");
4200 if (display_type == DT_DEFAULT && !display_remote) {
4201 #if defined(CONFIG_GTK)
4202 display_type = DT_GTK;
4203 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4204 display_type = DT_SDL;
4205 #elif defined(CONFIG_VNC)
4206 vnc_display = "localhost:0,to=99";
4209 display_type = DT_NONE;
4213 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4214 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4215 "for SDL, ignoring option\n");
4217 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4218 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4219 "ignoring option\n");
4222 #if defined(CONFIG_GTK)
4223 if (display_type == DT_GTK) {
4224 early_gtk_display_init();
4230 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4232 #ifdef CONFIG_VIRTFS
4233 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4238 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4243 /* store value for the future use */
4244 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4246 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4251 if (qemu_opts_foreach(qemu_find_opts("object"),
4252 object_create, NULL, 0) != 0) {
4256 machine_opts = qemu_get_machine_opts();
4257 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4259 object_unref(OBJECT(current_machine));
4263 configure_accelerator(machine_class);
4266 Error *local_err = NULL;
4267 qtest_init(qtest_chrdev, qtest_log, &local_err);
4269 error_report("%s", error_get_pretty(local_err));
4270 error_free(local_err);
4275 machine_opts = qemu_get_machine_opts();
4276 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4277 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4278 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4279 bios_name = qemu_opt_get(machine_opts, "firmware");
4281 boot_order = machine_class->default_boot_order;
4282 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4284 char *normal_boot_order;
4285 const char *order, *once;
4287 order = qemu_opt_get(opts, "order");
4289 validate_bootdevices(order);
4293 once = qemu_opt_get(opts, "once");
4295 validate_bootdevices(once);
4296 normal_boot_order = g_strdup(boot_order);
4298 qemu_register_reset(restore_boot_order, normal_boot_order);
4301 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4302 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4305 if (!kernel_cmdline) {
4306 kernel_cmdline = "";
4307 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4310 linux_boot = (kernel_filename != NULL);
4312 if (!linux_boot && *kernel_cmdline != '\0') {
4313 fprintf(stderr, "-append only allowed with -kernel option\n");
4317 if (!linux_boot && initrd_filename != NULL) {
4318 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4322 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4323 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4327 os_set_line_buffering();
4329 qemu_init_cpu_loop();
4330 qemu_mutex_lock_iothread();
4333 /* spice needs the timers to be initialized by this point */
4338 if (kvm_enabled() || xen_enabled()) {
4339 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4342 configure_icount(icount_opts, &error_abort);
4343 qemu_opts_del(icount_opts);
4346 /* clean up network at qemu process termination */
4347 atexit(&net_cleanup);
4349 if (net_init_clients() < 0) {
4354 if (tpm_init() < 0) {
4359 /* init the bluetooth world */
4360 if (foreach_device_config(DEV_BT, bt_parse))
4363 if (!xen_enabled()) {
4364 /* On 32-bit hosts, QEMU is limited by virtual address space */
4365 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4366 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4374 /* open the virtual block devices */
4376 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4377 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4378 &machine_class->block_default_type, 1) != 0) {
4382 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4384 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4385 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4387 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4394 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4398 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4400 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4402 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4404 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4407 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4410 /* If no default VGA is requested, the default is "none". */
4412 if (cirrus_vga_available()) {
4413 vga_model = "cirrus";
4414 } else if (vga_available()) {
4419 select_vgahw(vga_model);
4423 i = select_watchdog(watchdog);
4425 exit (i == 1 ? 1 : 0);
4428 if (machine_class->compat_props) {
4429 qdev_prop_register_global_list(machine_class->compat_props);
4433 qdev_machine_init();
4435 current_machine->ram_size = ram_size;
4436 current_machine->maxram_size = maxram_size;
4437 current_machine->ram_slots = ram_slots;
4438 current_machine->boot_order = boot_order;
4439 current_machine->cpu_model = cpu_model;
4441 machine_class->init(current_machine);
4445 cpu_synchronize_all_post_init();
4449 /* init USB devices */
4450 if (usb_enabled(false)) {
4451 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4455 /* init generic devices */
4456 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4459 net_check_clients();
4461 ds = init_displaystate();
4463 /* init local displays */
4464 switch (display_type) {
4466 (void)ds; /* avoid warning if no display is configured */
4468 #if defined(CONFIG_CURSES)
4470 curses_display_init(ds, full_screen);
4473 #if defined(CONFIG_SDL)
4475 sdl_display_init(ds, full_screen, no_frame);
4477 #elif defined(CONFIG_COCOA)
4479 cocoa_display_init(ds, full_screen);
4482 #if defined(CONFIG_GTK)
4484 gtk_display_init(ds, full_screen, grab_on_hover);
4491 /* must be after terminal init, SDL library changes signal handlers */
4492 os_setup_signal_handling();
4495 /* init remote displays */
4497 Error *local_err = NULL;
4498 vnc_display_init(ds);
4499 vnc_display_open(ds, vnc_display, &local_err);
4500 if (local_err != NULL) {
4501 error_report("Failed to start VNC server on `%s': %s",
4502 vnc_display, error_get_pretty(local_err));
4503 error_free(local_err);
4507 if (show_vnc_port) {
4508 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4514 qemu_spice_display_init();
4518 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4522 qdev_machine_creation_done();
4524 if (rom_load_all() != 0) {
4525 fprintf(stderr, "rom loading failed\n");
4529 /* TODO: once all bus devices are qdevified, this should be done
4530 * when bus is created by qdev.c */
4531 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4532 qemu_run_machine_init_done_notifiers();
4534 /* Done notifiers can load ROMs */
4537 qemu_system_reset(VMRESET_SILENT);
4539 if (load_vmstate(loadvm) < 0) {
4544 qdev_prop_check_global();
4545 if (vmstate_dump_file) {
4547 dump_vmstate_json_to_file(vmstate_dump_file);
4552 Error *local_err = NULL;
4553 qemu_start_incoming_migration(incoming, &local_err);
4555 error_report("-incoming %s: %s", incoming,
4556 error_get_pretty(local_err));
4557 error_free(local_err);
4560 } else if (autostart) {
4566 if (is_daemonized()) {
4567 if (!trace_init_backends(trace_events, trace_file)) {