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)",
392 { /* End of list */ }
396 static QemuOptsList qemu_boot_opts = {
398 .implied_opt_name = "order",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
404 .type = QEMU_OPT_STRING,
407 .type = QEMU_OPT_STRING,
410 .type = QEMU_OPT_BOOL,
413 .type = QEMU_OPT_STRING,
415 .name = "splash-time",
416 .type = QEMU_OPT_STRING,
418 .name = "reboot-timeout",
419 .type = QEMU_OPT_STRING,
422 .type = QEMU_OPT_BOOL,
428 static QemuOptsList qemu_add_fd_opts = {
430 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
434 .type = QEMU_OPT_NUMBER,
435 .help = "file descriptor of which a duplicate is added to fd set",
438 .type = QEMU_OPT_NUMBER,
439 .help = "ID of the fd set to add fd to",
442 .type = QEMU_OPT_STRING,
443 .help = "free-form string used to describe fd",
445 { /* end of list */ }
449 static QemuOptsList qemu_object_opts = {
451 .implied_opt_name = "qom-type",
452 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
458 static QemuOptsList qemu_tpmdev_opts = {
460 .implied_opt_name = "type",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
463 /* options are defined in the TPM backends */
464 { /* end of list */ }
468 static QemuOptsList qemu_realtime_opts = {
470 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
474 .type = QEMU_OPT_BOOL,
476 { /* end of list */ }
480 static QemuOptsList qemu_msg_opts = {
482 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
486 .type = QEMU_OPT_BOOL,
488 { /* end of list */ }
492 static QemuOptsList qemu_name_opts = {
494 .implied_opt_name = "guest",
496 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the guest.\n"
502 "This name will be displayed in the SDL window caption.\n"
503 "The name will also be used for the VNC server",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets the name of the QEMU process, as shown in top etc",
509 .name = "debug-threads",
510 .type = QEMU_OPT_BOOL,
511 .help = "When enabled, name the individual threads; defaults off.\n"
512 "NOTE: The thread names are for debugging and not a\n"
515 { /* End of list */ }
519 static QemuOptsList qemu_mem_opts = {
521 .implied_opt_name = "size",
522 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
527 .type = QEMU_OPT_SIZE,
531 .type = QEMU_OPT_NUMBER,
535 .type = QEMU_OPT_SIZE,
537 { /* end of list */ }
541 static QemuOptsList qemu_icount_opts = {
543 .implied_opt_name = "shift",
545 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
549 .type = QEMU_OPT_STRING,
552 .type = QEMU_OPT_BOOL,
554 { /* end of list */ }
559 * Get machine options
561 * Returns: machine options (never null).
563 QemuOpts *qemu_get_machine_opts(void)
565 return qemu_find_opts_singleton("machine");
568 const char *qemu_get_vm_name(void)
573 static void res_free(void)
575 if (boot_splash_filedata != NULL) {
576 g_free(boot_splash_filedata);
577 boot_splash_filedata = NULL;
581 static int default_driver_check(QemuOpts *opts, void *opaque)
583 const char *driver = qemu_opt_get(opts, "driver");
588 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
589 if (strcmp(default_list[i].driver, driver) != 0)
591 *(default_list[i].flag) = 0;
596 /***********************************************************/
599 static RunState current_run_state = RUN_STATE_PRELAUNCH;
601 /* We use RUN_STATE_MAX but any invalid value will do */
602 static RunState vmstop_requested = RUN_STATE_MAX;
603 static QemuMutex vmstop_lock;
608 } RunStateTransition;
610 static const RunStateTransition runstate_transitions_def[] = {
612 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
613 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
622 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
625 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
637 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
639 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
640 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
641 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
642 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
643 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
645 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
646 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
647 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
648 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
650 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
652 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
653 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
655 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
656 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
657 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
658 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
660 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
661 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
663 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_MAX, RUN_STATE_MAX },
669 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
671 bool runstate_check(RunState state)
673 return current_run_state == state;
676 static void runstate_init(void)
678 const RunStateTransition *p;
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
685 qemu_mutex_init(&vmstop_lock);
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state)
691 assert(new_state < RUN_STATE_MAX);
693 if (!runstate_valid_transitions[current_run_state][new_state]) {
694 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
695 RunState_lookup[current_run_state],
696 RunState_lookup[new_state]);
699 trace_runstate_set(new_state);
700 current_run_state = new_state;
703 int runstate_is_running(void)
705 return runstate_check(RUN_STATE_RUNNING);
708 bool runstate_needs_reset(void)
710 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
711 runstate_check(RUN_STATE_SHUTDOWN);
714 StatusInfo *qmp_query_status(Error **errp)
716 StatusInfo *info = g_malloc0(sizeof(*info));
718 info->running = runstate_is_running();
719 info->singlestep = singlestep;
720 info->status = current_run_state;
725 static bool qemu_vmstop_requested(RunState *r)
727 qemu_mutex_lock(&vmstop_lock);
728 *r = vmstop_requested;
729 vmstop_requested = RUN_STATE_MAX;
730 qemu_mutex_unlock(&vmstop_lock);
731 return *r < RUN_STATE_MAX;
734 void qemu_system_vmstop_request_prepare(void)
736 qemu_mutex_lock(&vmstop_lock);
739 void qemu_system_vmstop_request(RunState state)
741 vmstop_requested = state;
742 qemu_mutex_unlock(&vmstop_lock);
750 qemu_vmstop_requested(&requested);
751 if (runstate_is_running() && requested == RUN_STATE_MAX) {
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort);
764 runstate_set(RUN_STATE_RUNNING);
765 vm_state_notify(1, RUN_STATE_RUNNING);
769 qapi_event_send_resume(&error_abort);
773 /***********************************************************/
774 /* real time host monotonic timer */
776 /***********************************************************/
777 /* host time/date access */
778 void qemu_get_timedate(struct tm *tm, int offset)
784 if (rtc_date_offset == -1) {
788 localtime_r(&ti, tm);
790 ti -= rtc_date_offset;
795 int qemu_timedate_diff(struct tm *tm)
799 if (rtc_date_offset == -1)
801 seconds = mktimegm(tm);
804 tmp.tm_isdst = -1; /* use timezone to figure it out */
805 seconds = mktime(&tmp);
808 seconds = mktimegm(tm) + rtc_date_offset;
810 return seconds - time(NULL);
813 static void configure_rtc_date_offset(const char *startdate, int legacy)
815 time_t rtc_start_date;
818 if (!strcmp(startdate, "now") && legacy) {
819 rtc_date_offset = -1;
821 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
829 } else if (sscanf(startdate, "%d-%d-%d",
841 rtc_start_date = mktimegm(&tm);
842 if (rtc_start_date == -1) {
844 fprintf(stderr, "Invalid date format. Valid formats are:\n"
845 "'2006-06-17T16:01:21' or '2006-06-17'\n");
848 rtc_date_offset = time(NULL) - rtc_start_date;
852 static void configure_rtc(QemuOpts *opts)
856 value = qemu_opt_get(opts, "base");
858 if (!strcmp(value, "utc")) {
860 } else if (!strcmp(value, "localtime")) {
863 configure_rtc_date_offset(value, 0);
866 value = qemu_opt_get(opts, "clock");
868 if (!strcmp(value, "host")) {
869 rtc_clock = QEMU_CLOCK_HOST;
870 } else if (!strcmp(value, "rt")) {
871 rtc_clock = QEMU_CLOCK_REALTIME;
872 } else if (!strcmp(value, "vm")) {
873 rtc_clock = QEMU_CLOCK_VIRTUAL;
875 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
879 value = qemu_opt_get(opts, "driftfix");
881 if (!strcmp(value, "slew")) {
882 static GlobalProperty slew_lost_ticks[] = {
884 .driver = "mc146818rtc",
885 .property = "lost_tick_policy",
888 { /* end of list */ }
891 qdev_prop_register_global_list(slew_lost_ticks);
892 } else if (!strcmp(value, "none")) {
893 /* discard is default */
895 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
901 /***********************************************************/
902 /* Bluetooth support */
905 static struct HCIInfo *hci_table[MAX_NICS];
907 struct HCIInfo *qemu_next_hci(void)
909 if (cur_hci == nb_hcis)
912 return hci_table[cur_hci++];
915 static int bt_hci_parse(const char *str)
920 if (nb_hcis >= MAX_NICS) {
921 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
934 bdaddr.b[5] = 0x56 + nb_hcis;
935 hci->bdaddr_set(hci, bdaddr.b);
937 hci_table[nb_hcis++] = hci;
942 static void bt_vhci_add(int vlan_id)
944 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
947 fprintf(stderr, "qemu: warning: adding a VHCI to "
948 "an empty scatternet %i\n", vlan_id);
950 bt_vhci_init(bt_new_hci(vlan));
953 static struct bt_device_s *bt_device_add(const char *opt)
955 struct bt_scatternet_s *vlan;
957 char *endp = strstr(opt, ",vlan=");
958 int len = (endp ? endp - opt : strlen(opt)) + 1;
961 pstrcpy(devname, MIN(sizeof(devname), len), opt);
964 vlan_id = strtol(endp + 6, &endp, 0);
966 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
971 vlan = qemu_find_bt_vlan(vlan_id);
974 fprintf(stderr, "qemu: warning: adding a slave device to "
975 "an empty scatternet %i\n", vlan_id);
977 if (!strcmp(devname, "keyboard"))
978 return bt_keyboard_init(vlan);
980 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
984 static int bt_parse(const char *opt)
986 const char *endp, *p;
989 if (strstart(opt, "hci", &endp)) {
990 if (!*endp || *endp == ',') {
992 if (!strstart(endp, ",vlan=", 0))
995 return bt_hci_parse(opt);
997 } else if (strstart(opt, "vhci", &endp)) {
998 if (!*endp || *endp == ',') {
1000 if (strstart(endp, ",vlan=", &p)) {
1001 vlan = strtol(p, (char **) &endp, 0);
1003 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1007 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1016 } else if (strstart(opt, "device:", &endp))
1017 return !bt_device_add(endp);
1019 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1023 static int parse_sandbox(QemuOpts *opts, void *opaque)
1025 /* FIXME: change this to true for 1.3 */
1026 if (qemu_opt_get_bool(opts, "enable", false)) {
1027 #ifdef CONFIG_SECCOMP
1028 if (seccomp_start() < 0) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "failed to install seccomp syscall filter in the kernel");
1034 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1035 "sandboxing request but seccomp is not compiled into this build");
1043 static int parse_name(QemuOpts *opts, void *opaque)
1045 const char *proc_name;
1047 if (qemu_opt_get(opts, "debug-threads")) {
1048 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1050 qemu_name = qemu_opt_get(opts, "guest");
1052 proc_name = qemu_opt_get(opts, "process");
1054 os_set_proc_name(proc_name);
1060 bool usb_enabled(bool default_usb)
1062 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1063 has_defaults && default_usb);
1067 static int parse_add_fd(QemuOpts *opts, void *opaque)
1069 int fd, dupfd, flags;
1071 const char *fd_opaque = NULL;
1073 fd = qemu_opt_get_number(opts, "fd", -1);
1074 fdset_id = qemu_opt_get_number(opts, "set", -1);
1075 fd_opaque = qemu_opt_get(opts, "opaque");
1078 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1079 "fd option is required and must be non-negative");
1083 if (fd <= STDERR_FILENO) {
1084 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1085 "fd cannot be a standard I/O stream");
1090 * All fds inherited across exec() necessarily have FD_CLOEXEC
1091 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1093 flags = fcntl(fd, F_GETFD);
1094 if (flags == -1 || (flags & FD_CLOEXEC)) {
1095 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1096 "fd is not valid or already in use");
1101 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1102 "set option is required and must be non-negative");
1106 #ifdef F_DUPFD_CLOEXEC
1107 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1111 qemu_set_cloexec(dupfd);
1115 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1116 "Error duplicating fd: %s", strerror(errno));
1120 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1121 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1127 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1131 fd = qemu_opt_get_number(opts, "fd", -1);
1138 /***********************************************************/
1139 /* QEMU Block devices */
1141 #define HD_OPTS "media=disk"
1142 #define CDROM_OPTS "media=cdrom"
1144 #define PFLASH_OPTS ""
1148 static int drive_init_func(QemuOpts *opts, void *opaque)
1150 BlockInterfaceType *block_default_type = opaque;
1152 return drive_new(opts, *block_default_type) == NULL;
1155 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1157 if (qemu_opt_get(opts, "snapshot") == NULL) {
1158 qemu_opt_set(opts, "snapshot", "on");
1163 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1164 int index, const char *optstr)
1168 if (!enable || drive_get_by_index(type, index)) {
1172 opts = drive_add(type, index, NULL, optstr);
1174 drive_enable_snapshot(opts, NULL);
1176 if (!drive_new(opts, type)) {
1181 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1183 boot_set_handler = func;
1184 boot_set_opaque = opaque;
1187 int qemu_boot_set(const char *boot_order)
1189 if (!boot_set_handler) {
1192 return boot_set_handler(boot_set_opaque, boot_order);
1195 static void validate_bootdevices(const char *devices)
1197 /* We just do some generic consistency checks */
1201 for (p = devices; *p != '\0'; p++) {
1202 /* Allowed boot devices are:
1203 * a-b: floppy disk drives
1204 * c-f: IDE disk drives
1205 * g-m: machine implementation dependent drives
1206 * n-p: network devices
1207 * It's up to each machine implementation to check if the given boot
1208 * devices match the actual hardware implementation and firmware
1211 if (*p < 'a' || *p > 'p') {
1212 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1215 if (bitmap & (1 << (*p - 'a'))) {
1216 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1219 bitmap |= 1 << (*p - 'a');
1223 static void restore_boot_order(void *opaque)
1225 char *normal_boot_order = opaque;
1226 static int first = 1;
1228 /* Restore boot order and remove ourselves after the first boot */
1234 qemu_boot_set(normal_boot_order);
1236 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1237 g_free(normal_boot_order);
1240 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1243 FWBootEntry *node, *i;
1245 if (bootindex < 0) {
1249 assert(dev != NULL || suffix != NULL);
1251 node = g_malloc0(sizeof(FWBootEntry));
1252 node->bootindex = bootindex;
1253 node->suffix = g_strdup(suffix);
1256 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1257 if (i->bootindex == bootindex) {
1258 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1260 } else if (i->bootindex < bootindex) {
1263 QTAILQ_INSERT_BEFORE(i, node, link);
1266 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1269 DeviceState *get_boot_device(uint32_t position)
1271 uint32_t counter = 0;
1272 FWBootEntry *i = NULL;
1273 DeviceState *res = NULL;
1275 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1276 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1277 if (counter == position) {
1288 * This function returns null terminated string that consist of new line
1289 * separated device paths.
1291 * memory pointed by "size" is assigned total length of the array in bytes
1294 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1300 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1301 char *devpath = NULL, *bootpath;
1305 devpath = qdev_get_fw_dev_path(i->dev);
1309 if (i->suffix && !ignore_suffixes && devpath) {
1310 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1312 bootpath = g_malloc(bootpathlen);
1313 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1315 } else if (devpath) {
1317 } else if (!ignore_suffixes) {
1319 bootpath = g_strdup(i->suffix);
1321 bootpath = g_strdup("");
1325 list[total-1] = '\n';
1327 len = strlen(bootpath) + 1;
1328 list = g_realloc(list, total + len);
1329 memcpy(&list[total], bootpath, len);
1336 if (boot_strict && *size > 0) {
1337 list[total-1] = '\n';
1338 list = g_realloc(list, total + 5);
1339 memcpy(&list[total], "HALT", 5);
1345 static QemuOptsList qemu_smp_opts = {
1347 .implied_opt_name = "cpus",
1348 .merge_lists = true,
1349 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1353 .type = QEMU_OPT_NUMBER,
1356 .type = QEMU_OPT_NUMBER,
1359 .type = QEMU_OPT_NUMBER,
1362 .type = QEMU_OPT_NUMBER,
1365 .type = QEMU_OPT_NUMBER,
1367 { /*End of list */ }
1371 static void smp_parse(QemuOpts *opts)
1375 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1376 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1377 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1378 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1380 /* compute missing values, prefer sockets over cores over threads */
1381 if (cpus == 0 || sockets == 0) {
1382 sockets = sockets > 0 ? sockets : 1;
1383 cores = cores > 0 ? cores : 1;
1384 threads = threads > 0 ? threads : 1;
1386 cpus = cores * threads * sockets;
1390 threads = threads > 0 ? threads : 1;
1391 cores = cpus / (sockets * threads);
1393 threads = cpus / (cores * sockets);
1397 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1400 smp_cores = cores > 0 ? cores : 1;
1401 smp_threads = threads > 0 ? threads : 1;
1405 if (max_cpus == 0) {
1406 max_cpus = smp_cpus;
1409 if (max_cpus > MAX_CPUMASK_BITS) {
1410 fprintf(stderr, "Unsupported number of maxcpus\n");
1413 if (max_cpus < smp_cpus) {
1414 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1420 static void configure_realtime(QemuOpts *opts)
1424 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1427 if (os_mlock() < 0) {
1428 fprintf(stderr, "qemu: locking memory failed\n");
1435 static void configure_msg(QemuOpts *opts)
1437 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1440 /***********************************************************/
1443 static int usb_device_add(const char *devname)
1445 USBDevice *dev = NULL;
1446 #ifndef CONFIG_LINUX
1450 if (!usb_enabled(false)) {
1454 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1455 dev = usbdevice_create(devname);
1459 /* the other ones */
1460 #ifndef CONFIG_LINUX
1461 /* only the linux version is qdev-ified, usb-bsd still needs this */
1462 if (strstart(devname, "host:", &p)) {
1463 dev = usb_host_device_open(usb_bus_find(-1), p);
1473 static int usb_device_del(const char *devname)
1478 if (strstart(devname, "host:", &p)) {
1482 if (!usb_enabled(false)) {
1486 p = strchr(devname, '.');
1489 bus_num = strtoul(devname, NULL, 0);
1490 addr = strtoul(p + 1, NULL, 0);
1492 return usb_device_delete_addr(bus_num, addr);
1495 static int usb_parse(const char *cmdline)
1498 r = usb_device_add(cmdline);
1500 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1505 void do_usb_add(Monitor *mon, const QDict *qdict)
1507 const char *devname = qdict_get_str(qdict, "devname");
1508 if (usb_device_add(devname) < 0) {
1509 error_report("could not add USB device '%s'", devname);
1513 void do_usb_del(Monitor *mon, const QDict *qdict)
1515 const char *devname = qdict_get_str(qdict, "devname");
1516 if (usb_device_del(devname) < 0) {
1517 error_report("could not delete USB device '%s'", devname);
1521 /***********************************************************/
1522 /* PCMCIA/Cardbus */
1524 static struct pcmcia_socket_entry_s {
1525 PCMCIASocket *socket;
1526 struct pcmcia_socket_entry_s *next;
1527 } *pcmcia_sockets = 0;
1529 void pcmcia_socket_register(PCMCIASocket *socket)
1531 struct pcmcia_socket_entry_s *entry;
1533 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1534 entry->socket = socket;
1535 entry->next = pcmcia_sockets;
1536 pcmcia_sockets = entry;
1539 void pcmcia_socket_unregister(PCMCIASocket *socket)
1541 struct pcmcia_socket_entry_s *entry, **ptr;
1543 ptr = &pcmcia_sockets;
1544 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1545 if (entry->socket == socket) {
1551 void pcmcia_info(Monitor *mon, const QDict *qdict)
1553 struct pcmcia_socket_entry_s *iter;
1555 if (!pcmcia_sockets)
1556 monitor_printf(mon, "No PCMCIA sockets\n");
1558 for (iter = pcmcia_sockets; iter; iter = iter->next)
1559 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1560 iter->socket->attached ? iter->socket->card_string :
1564 /***********************************************************/
1565 /* machine registration */
1567 MachineState *current_machine;
1569 static void machine_class_init(ObjectClass *oc, void *data)
1571 MachineClass *mc = MACHINE_CLASS(oc);
1572 QEMUMachine *qm = data;
1574 mc->name = qm->name;
1575 mc->alias = qm->alias;
1576 mc->desc = qm->desc;
1577 mc->init = qm->init;
1578 mc->reset = qm->reset;
1579 mc->hot_add_cpu = qm->hot_add_cpu;
1580 mc->kvm_type = qm->kvm_type;
1581 mc->block_default_type = qm->block_default_type;
1582 mc->max_cpus = qm->max_cpus;
1583 mc->no_serial = qm->no_serial;
1584 mc->no_parallel = qm->no_parallel;
1585 mc->use_virtcon = qm->use_virtcon;
1586 mc->use_sclp = qm->use_sclp;
1587 mc->no_floppy = qm->no_floppy;
1588 mc->no_cdrom = qm->no_cdrom;
1589 mc->no_sdcard = qm->no_sdcard;
1590 mc->is_default = qm->is_default;
1591 mc->default_machine_opts = qm->default_machine_opts;
1592 mc->default_boot_order = qm->default_boot_order;
1593 mc->compat_props = qm->compat_props;
1594 mc->hw_version = qm->hw_version;
1597 int qemu_register_machine(QEMUMachine *m)
1599 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1602 .parent = TYPE_MACHINE,
1603 .class_init = machine_class_init,
1604 .class_data = (void *)m,
1613 static MachineClass *find_machine(const char *name)
1615 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1616 MachineClass *mc = NULL;
1618 for (el = machines; el; el = el->next) {
1619 MachineClass *temp = el->data;
1621 if (!strcmp(temp->name, name)) {
1626 !strcmp(temp->alias, name)) {
1632 g_slist_free(machines);
1636 MachineClass *find_default_machine(void)
1638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1639 MachineClass *mc = NULL;
1641 for (el = machines; el; el = el->next) {
1642 MachineClass *temp = el->data;
1644 if (temp->is_default) {
1650 g_slist_free(machines);
1654 MachineInfoList *qmp_query_machines(Error **errp)
1656 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1657 MachineInfoList *mach_list = NULL;
1659 for (el = machines; el; el = el->next) {
1660 MachineClass *mc = el->data;
1661 MachineInfoList *entry;
1664 info = g_malloc0(sizeof(*info));
1665 if (mc->is_default) {
1666 info->has_is_default = true;
1667 info->is_default = true;
1671 info->has_alias = true;
1672 info->alias = g_strdup(mc->alias);
1675 info->name = g_strdup(mc->name);
1676 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1678 entry = g_malloc0(sizeof(*entry));
1679 entry->value = info;
1680 entry->next = mach_list;
1684 g_slist_free(machines);
1688 /***********************************************************/
1689 /* main execution loop */
1691 struct vm_change_state_entry {
1692 VMChangeStateHandler *cb;
1694 QLIST_ENTRY (vm_change_state_entry) entries;
1697 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1699 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1702 VMChangeStateEntry *e;
1704 e = g_malloc0(sizeof (*e));
1708 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1712 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1714 QLIST_REMOVE (e, entries);
1718 void vm_state_notify(int running, RunState state)
1720 VMChangeStateEntry *e;
1722 trace_vm_state_notify(running, state);
1724 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1725 e->cb(e->opaque, running, state);
1729 /* reset/shutdown handler */
1731 typedef struct QEMUResetEntry {
1732 QTAILQ_ENTRY(QEMUResetEntry) entry;
1733 QEMUResetHandler *func;
1737 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1738 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1739 static int reset_requested;
1740 static int shutdown_requested, shutdown_signal = -1;
1741 static pid_t shutdown_pid;
1742 static int powerdown_requested;
1743 static int debug_requested;
1744 static int suspend_requested;
1745 static WakeupReason wakeup_reason;
1746 static NotifierList powerdown_notifiers =
1747 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1748 static NotifierList suspend_notifiers =
1749 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1750 static NotifierList wakeup_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1752 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1754 int qemu_shutdown_requested_get(void)
1756 return shutdown_requested;
1759 int qemu_reset_requested_get(void)
1761 return reset_requested;
1764 static int qemu_shutdown_requested(void)
1766 int r = shutdown_requested;
1767 shutdown_requested = 0;
1771 static void qemu_kill_report(void)
1773 if (!qtest_driver() && shutdown_signal != -1) {
1774 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1775 if (shutdown_pid == 0) {
1776 /* This happens for eg ^C at the terminal, so it's worth
1777 * avoiding printing an odd message in that case.
1779 fputc('\n', stderr);
1781 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1783 shutdown_signal = -1;
1787 static int qemu_reset_requested(void)
1789 int r = reset_requested;
1790 reset_requested = 0;
1794 static int qemu_suspend_requested(void)
1796 int r = suspend_requested;
1797 suspend_requested = 0;
1801 static WakeupReason qemu_wakeup_requested(void)
1803 return wakeup_reason;
1806 static int qemu_powerdown_requested(void)
1808 int r = powerdown_requested;
1809 powerdown_requested = 0;
1813 static int qemu_debug_requested(void)
1815 int r = debug_requested;
1816 debug_requested = 0;
1820 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1822 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1825 re->opaque = opaque;
1826 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1829 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1833 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1834 if (re->func == func && re->opaque == opaque) {
1835 QTAILQ_REMOVE(&reset_handlers, re, entry);
1842 void qemu_devices_reset(void)
1844 QEMUResetEntry *re, *nre;
1846 /* reset all devices */
1847 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1848 re->func(re->opaque);
1852 void qemu_system_reset(bool report)
1856 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1858 if (mc && mc->reset) {
1861 qemu_devices_reset();
1864 qapi_event_send_reset(&error_abort);
1866 cpu_synchronize_all_post_reset();
1869 void qemu_system_reset_request(void)
1872 shutdown_requested = 1;
1874 reset_requested = 1;
1877 qemu_notify_event();
1880 static void qemu_system_suspend(void)
1883 notifier_list_notify(&suspend_notifiers, NULL);
1884 runstate_set(RUN_STATE_SUSPENDED);
1885 qapi_event_send_suspend(&error_abort);
1888 void qemu_system_suspend_request(void)
1890 if (runstate_check(RUN_STATE_SUSPENDED)) {
1893 suspend_requested = 1;
1895 qemu_notify_event();
1898 void qemu_register_suspend_notifier(Notifier *notifier)
1900 notifier_list_add(&suspend_notifiers, notifier);
1903 void qemu_system_wakeup_request(WakeupReason reason)
1905 trace_system_wakeup_request(reason);
1907 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1910 if (!(wakeup_reason_mask & (1 << reason))) {
1913 runstate_set(RUN_STATE_RUNNING);
1914 wakeup_reason = reason;
1915 qemu_notify_event();
1918 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1921 wakeup_reason_mask |= (1 << reason);
1923 wakeup_reason_mask &= ~(1 << reason);
1927 void qemu_register_wakeup_notifier(Notifier *notifier)
1929 notifier_list_add(&wakeup_notifiers, notifier);
1932 void qemu_system_killed(int signal, pid_t pid)
1934 shutdown_signal = signal;
1937 qemu_system_shutdown_request();
1940 void qemu_system_shutdown_request(void)
1942 trace_qemu_system_shutdown_request();
1943 shutdown_requested = 1;
1944 qemu_notify_event();
1947 static void qemu_system_powerdown(void)
1949 qapi_event_send_powerdown(&error_abort);
1950 notifier_list_notify(&powerdown_notifiers, NULL);
1953 void qemu_system_powerdown_request(void)
1955 trace_qemu_system_powerdown_request();
1956 powerdown_requested = 1;
1957 qemu_notify_event();
1960 void qemu_register_powerdown_notifier(Notifier *notifier)
1962 notifier_list_add(&powerdown_notifiers, notifier);
1965 void qemu_system_debug_request(void)
1967 debug_requested = 1;
1968 qemu_notify_event();
1971 static bool main_loop_should_exit(void)
1974 if (qemu_debug_requested()) {
1975 vm_stop(RUN_STATE_DEBUG);
1977 if (qemu_suspend_requested()) {
1978 qemu_system_suspend();
1980 if (qemu_shutdown_requested()) {
1982 qapi_event_send_shutdown(&error_abort);
1984 vm_stop(RUN_STATE_SHUTDOWN);
1989 if (qemu_reset_requested()) {
1991 cpu_synchronize_all_states();
1992 qemu_system_reset(VMRESET_REPORT);
1994 if (runstate_needs_reset()) {
1995 runstate_set(RUN_STATE_PAUSED);
1998 if (qemu_wakeup_requested()) {
2000 cpu_synchronize_all_states();
2001 qemu_system_reset(VMRESET_SILENT);
2002 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2003 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2005 qapi_event_send_wakeup(&error_abort);
2007 if (qemu_powerdown_requested()) {
2008 qemu_system_powerdown();
2010 if (qemu_vmstop_requested(&r)) {
2016 static void main_loop(void)
2020 #ifdef CONFIG_PROFILER
2024 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2025 #ifdef CONFIG_PROFILER
2026 ti = profile_getclock();
2028 last_io = main_loop_wait(nonblocking);
2029 #ifdef CONFIG_PROFILER
2030 dev_time += profile_getclock() - ti;
2032 } while (!main_loop_should_exit());
2035 static void version(void)
2037 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2040 static void help(int exitcode)
2043 printf("usage: %s [options] [disk_image]\n\n"
2044 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2045 error_get_progname());
2047 #define QEMU_OPTIONS_GENERATE_HELP
2048 #include "qemu-options-wrapper.h"
2050 printf("\nDuring emulation, the following keys are useful:\n"
2051 "ctrl-alt-f toggle full screen\n"
2052 "ctrl-alt-n switch to virtual console 'n'\n"
2053 "ctrl-alt toggle mouse and keyboard grab\n"
2055 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2060 #define HAS_ARG 0x0001
2062 typedef struct QEMUOption {
2069 static const QEMUOption qemu_options[] = {
2070 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2071 #define QEMU_OPTIONS_GENERATE_OPTIONS
2072 #include "qemu-options-wrapper.h"
2076 static bool vga_available(void)
2078 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2081 static bool cirrus_vga_available(void)
2083 return object_class_by_name("cirrus-vga")
2084 || object_class_by_name("isa-cirrus-vga");
2087 static bool vmware_vga_available(void)
2089 return object_class_by_name("vmware-svga");
2092 static bool qxl_vga_available(void)
2094 return object_class_by_name("qxl-vga");
2097 static bool tcx_vga_available(void)
2099 return object_class_by_name("SUNW,tcx");
2102 static bool cg3_vga_available(void)
2104 return object_class_by_name("cgthree");
2107 static void select_vgahw (const char *p)
2111 assert(vga_interface_type == VGA_NONE);
2112 if (strstart(p, "std", &opts)) {
2113 if (vga_available()) {
2114 vga_interface_type = VGA_STD;
2116 fprintf(stderr, "Error: standard VGA not available\n");
2119 } else if (strstart(p, "cirrus", &opts)) {
2120 if (cirrus_vga_available()) {
2121 vga_interface_type = VGA_CIRRUS;
2123 fprintf(stderr, "Error: Cirrus VGA not available\n");
2126 } else if (strstart(p, "vmware", &opts)) {
2127 if (vmware_vga_available()) {
2128 vga_interface_type = VGA_VMWARE;
2130 fprintf(stderr, "Error: VMWare SVGA not available\n");
2133 } else if (strstart(p, "xenfb", &opts)) {
2134 vga_interface_type = VGA_XENFB;
2135 } else if (strstart(p, "qxl", &opts)) {
2136 if (qxl_vga_available()) {
2137 vga_interface_type = VGA_QXL;
2139 fprintf(stderr, "Error: QXL VGA not available\n");
2142 } else if (strstart(p, "tcx", &opts)) {
2143 if (tcx_vga_available()) {
2144 vga_interface_type = VGA_TCX;
2146 fprintf(stderr, "Error: TCX framebuffer not available\n");
2149 } else if (strstart(p, "cg3", &opts)) {
2150 if (cg3_vga_available()) {
2151 vga_interface_type = VGA_CG3;
2153 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2156 } else if (!strstart(p, "none", &opts)) {
2158 fprintf(stderr, "Unknown vga type: %s\n", p);
2162 const char *nextopt;
2164 if (strstart(opts, ",retrace=", &nextopt)) {
2166 if (strstart(opts, "dumb", &nextopt))
2167 vga_retrace_method = VGA_RETRACE_DUMB;
2168 else if (strstart(opts, "precise", &nextopt))
2169 vga_retrace_method = VGA_RETRACE_PRECISE;
2170 else goto invalid_vga;
2171 } else goto invalid_vga;
2176 static DisplayType select_display(const char *p)
2179 DisplayType display = DT_DEFAULT;
2181 if (strstart(p, "sdl", &opts)) {
2185 const char *nextopt;
2187 if (strstart(opts, ",frame=", &nextopt)) {
2189 if (strstart(opts, "on", &nextopt)) {
2191 } else if (strstart(opts, "off", &nextopt)) {
2194 goto invalid_sdl_args;
2196 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2198 if (strstart(opts, "on", &nextopt)) {
2200 } else if (strstart(opts, "off", &nextopt)) {
2203 goto invalid_sdl_args;
2205 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2207 if (strstart(opts, "on", &nextopt)) {
2209 } else if (strstart(opts, "off", &nextopt)) {
2212 goto invalid_sdl_args;
2214 } else if (strstart(opts, ",window_close=", &nextopt)) {
2216 if (strstart(opts, "on", &nextopt)) {
2218 } else if (strstart(opts, "off", &nextopt)) {
2221 goto invalid_sdl_args;
2225 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2231 fprintf(stderr, "SDL support is disabled\n");
2234 } else if (strstart(p, "vnc", &opts)) {
2239 const char *nextopt;
2241 if (strstart(opts, "=", &nextopt)) {
2242 vnc_display = nextopt;
2246 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2250 fprintf(stderr, "VNC support is disabled\n");
2253 } else if (strstart(p, "curses", &opts)) {
2254 #ifdef CONFIG_CURSES
2255 display = DT_CURSES;
2257 fprintf(stderr, "Curses support is disabled\n");
2260 } else if (strstart(p, "gtk", &opts)) {
2264 const char *nextopt;
2266 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2268 if (strstart(opts, "on", &nextopt)) {
2269 grab_on_hover = true;
2270 } else if (strstart(opts, "off", &nextopt)) {
2271 grab_on_hover = false;
2273 goto invalid_gtk_args;
2277 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2283 fprintf(stderr, "GTK support is disabled\n");
2286 } else if (strstart(p, "none", &opts)) {
2289 fprintf(stderr, "Unknown display type: %s\n", p);
2296 static int balloon_parse(const char *arg)
2300 if (strcmp(arg, "none") == 0) {
2304 if (!strncmp(arg, "virtio", 6)) {
2305 if (arg[6] == ',') {
2306 /* have params -> parse them */
2307 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2311 /* create empty opts */
2312 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2315 qemu_opt_set(opts, "driver", "virtio-balloon");
2322 char *qemu_find_file(int type, const char *name)
2328 /* Try the name as a straight path first */
2329 if (access(name, R_OK) == 0) {
2330 trace_load_file(name, name);
2331 return g_strdup(name);
2335 case QEMU_FILE_TYPE_BIOS:
2338 case QEMU_FILE_TYPE_KEYMAP:
2339 subdir = "keymaps/";
2345 for (i = 0; i < data_dir_idx; i++) {
2346 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2347 if (access(buf, R_OK) == 0) {
2348 trace_load_file(name, buf);
2356 static int device_help_func(QemuOpts *opts, void *opaque)
2358 return qdev_device_help(opts);
2361 static int device_init_func(QemuOpts *opts, void *opaque)
2365 dev = qdev_device_add(opts);
2368 object_unref(OBJECT(dev));
2372 static int chardev_init_func(QemuOpts *opts, void *opaque)
2374 Error *local_err = NULL;
2376 qemu_chr_new_from_opts(opts, NULL, &local_err);
2378 error_report("%s", error_get_pretty(local_err));
2379 error_free(local_err);
2385 #ifdef CONFIG_VIRTFS
2386 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2389 ret = qemu_fsdev_add(opts);
2395 static int mon_init_func(QemuOpts *opts, void *opaque)
2397 CharDriverState *chr;
2398 const char *chardev;
2402 mode = qemu_opt_get(opts, "mode");
2406 if (strcmp(mode, "readline") == 0) {
2407 flags = MONITOR_USE_READLINE;
2408 } else if (strcmp(mode, "control") == 0) {
2409 flags = MONITOR_USE_CONTROL;
2411 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2415 if (qemu_opt_get_bool(opts, "pretty", 0))
2416 flags |= MONITOR_USE_PRETTY;
2418 if (qemu_opt_get_bool(opts, "default", 0))
2419 flags |= MONITOR_IS_DEFAULT;
2421 chardev = qemu_opt_get(opts, "chardev");
2422 chr = qemu_chr_find(chardev);
2424 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2428 qemu_chr_fe_claim_no_fail(chr);
2429 monitor_init(chr, flags);
2433 static void monitor_parse(const char *optarg, const char *mode)
2435 static int monitor_device_index = 0;
2441 if (strstart(optarg, "chardev:", &p)) {
2442 snprintf(label, sizeof(label), "%s", p);
2444 snprintf(label, sizeof(label), "compat_monitor%d",
2445 monitor_device_index);
2446 if (monitor_device_index == 0) {
2449 opts = qemu_chr_parse_compat(label, optarg);
2451 fprintf(stderr, "parse error: %s\n", optarg);
2456 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2458 fprintf(stderr, "duplicate chardev: %s\n", label);
2461 qemu_opt_set(opts, "mode", mode);
2462 qemu_opt_set(opts, "chardev", label);
2464 qemu_opt_set(opts, "default", "on");
2465 monitor_device_index++;
2468 struct device_config {
2470 DEV_USB, /* -usbdevice */
2472 DEV_SERIAL, /* -serial */
2473 DEV_PARALLEL, /* -parallel */
2474 DEV_VIRTCON, /* -virtioconsole */
2475 DEV_DEBUGCON, /* -debugcon */
2476 DEV_GDB, /* -gdb, -s */
2477 DEV_SCLP, /* s390 sclp */
2479 const char *cmdline;
2481 QTAILQ_ENTRY(device_config) next;
2484 static QTAILQ_HEAD(, device_config) device_configs =
2485 QTAILQ_HEAD_INITIALIZER(device_configs);
2487 static void add_device_config(int type, const char *cmdline)
2489 struct device_config *conf;
2491 conf = g_malloc0(sizeof(*conf));
2493 conf->cmdline = cmdline;
2494 loc_save(&conf->loc);
2495 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2498 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2500 struct device_config *conf;
2503 QTAILQ_FOREACH(conf, &device_configs, next) {
2504 if (conf->type != type)
2506 loc_push_restore(&conf->loc);
2507 rc = func(conf->cmdline);
2508 loc_pop(&conf->loc);
2516 static int serial_parse(const char *devname)
2518 static int index = 0;
2521 if (strcmp(devname, "none") == 0)
2523 if (index == MAX_SERIAL_PORTS) {
2524 fprintf(stderr, "qemu: too many serial ports\n");
2527 snprintf(label, sizeof(label), "serial%d", index);
2528 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2529 if (!serial_hds[index]) {
2530 fprintf(stderr, "qemu: could not connect serial device"
2531 " to character backend '%s'\n", devname);
2538 static int parallel_parse(const char *devname)
2540 static int index = 0;
2543 if (strcmp(devname, "none") == 0)
2545 if (index == MAX_PARALLEL_PORTS) {
2546 fprintf(stderr, "qemu: too many parallel ports\n");
2549 snprintf(label, sizeof(label), "parallel%d", index);
2550 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2551 if (!parallel_hds[index]) {
2552 fprintf(stderr, "qemu: could not connect parallel device"
2553 " to character backend '%s'\n", devname);
2560 static int virtcon_parse(const char *devname)
2562 QemuOptsList *device = qemu_find_opts("device");
2563 static int index = 0;
2565 QemuOpts *bus_opts, *dev_opts;
2567 if (strcmp(devname, "none") == 0)
2569 if (index == MAX_VIRTIO_CONSOLES) {
2570 fprintf(stderr, "qemu: too many virtio consoles\n");
2574 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2575 if (arch_type == QEMU_ARCH_S390X) {
2576 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2578 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2581 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2582 qemu_opt_set(dev_opts, "driver", "virtconsole");
2584 snprintf(label, sizeof(label), "virtcon%d", index);
2585 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2586 if (!virtcon_hds[index]) {
2587 fprintf(stderr, "qemu: could not connect virtio console"
2588 " to character backend '%s'\n", devname);
2591 qemu_opt_set(dev_opts, "chardev", label);
2597 static int sclp_parse(const char *devname)
2599 QemuOptsList *device = qemu_find_opts("device");
2600 static int index = 0;
2604 if (strcmp(devname, "none") == 0) {
2607 if (index == MAX_SCLP_CONSOLES) {
2608 fprintf(stderr, "qemu: too many sclp consoles\n");
2612 assert(arch_type == QEMU_ARCH_S390X);
2614 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2615 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2617 snprintf(label, sizeof(label), "sclpcon%d", index);
2618 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2619 if (!sclp_hds[index]) {
2620 fprintf(stderr, "qemu: could not connect sclp console"
2621 " to character backend '%s'\n", devname);
2624 qemu_opt_set(dev_opts, "chardev", label);
2630 static int debugcon_parse(const char *devname)
2634 if (!qemu_chr_new("debugcon", devname, NULL)) {
2637 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2639 fprintf(stderr, "qemu: already have a debugcon device\n");
2642 qemu_opt_set(opts, "driver", "isa-debugcon");
2643 qemu_opt_set(opts, "chardev", "debugcon");
2647 static MachineClass *machine_parse(const char *name)
2649 MachineClass *mc = NULL;
2650 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2653 mc = find_machine(name);
2658 if (name && !is_help_option(name)) {
2659 error_report("Unsupported machine type");
2660 error_printf("Use -machine help to list supported machines!\n");
2662 printf("Supported machines are:\n");
2663 for (el = machines; el; el = el->next) {
2664 MachineClass *mc = el->data;
2666 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2668 printf("%-20s %s%s\n", mc->name, mc->desc,
2669 mc->is_default ? " (default)" : "");
2673 g_slist_free(machines);
2674 exit(!name || !is_help_option(name));
2677 static int tcg_init(MachineClass *mc)
2679 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2684 const char *opt_name;
2686 int (*available)(void);
2687 int (*init)(MachineClass *mc);
2690 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2691 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2692 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2693 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2696 static int configure_accelerator(MachineClass *mc)
2701 bool accel_initialised = false;
2702 bool init_failed = false;
2704 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2706 /* Use the default "accelerator", tcg */
2710 while (!accel_initialised && *p != '\0') {
2714 p = get_opt_name(buf, sizeof (buf), p, ':');
2715 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2716 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2717 if (!accel_list[i].available()) {
2718 printf("%s not supported for this target\n",
2719 accel_list[i].name);
2722 *(accel_list[i].allowed) = true;
2723 ret = accel_list[i].init(mc);
2726 fprintf(stderr, "failed to initialize %s: %s\n",
2729 *(accel_list[i].allowed) = false;
2731 accel_initialised = true;
2736 if (i == ARRAY_SIZE(accel_list)) {
2737 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2741 if (!accel_initialised) {
2743 fprintf(stderr, "No accelerator found!\n");
2749 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2752 return !accel_initialised;
2755 void qemu_add_exit_notifier(Notifier *notify)
2757 notifier_list_add(&exit_notifiers, notify);
2760 void qemu_remove_exit_notifier(Notifier *notify)
2762 notifier_remove(notify);
2765 static void qemu_run_exit_notifiers(void)
2767 notifier_list_notify(&exit_notifiers, NULL);
2770 void qemu_add_machine_init_done_notifier(Notifier *notify)
2772 notifier_list_add(&machine_init_done_notifiers, notify);
2775 static void qemu_run_machine_init_done_notifiers(void)
2777 notifier_list_notify(&machine_init_done_notifiers, NULL);
2780 static const QEMUOption *lookup_opt(int argc, char **argv,
2781 const char **poptarg, int *poptind)
2783 const QEMUOption *popt;
2784 int optind = *poptind;
2785 char *r = argv[optind];
2788 loc_set_cmdline(argv, optind, 1);
2790 /* Treat --foo the same as -foo. */
2793 popt = qemu_options;
2796 error_report("invalid option");
2799 if (!strcmp(popt->name, r + 1))
2803 if (popt->flags & HAS_ARG) {
2804 if (optind >= argc) {
2805 error_report("requires an argument");
2808 optarg = argv[optind++];
2809 loc_set_cmdline(argv, optind - 2, 2);
2820 static gpointer malloc_and_trace(gsize n_bytes)
2822 void *ptr = malloc(n_bytes);
2823 trace_g_malloc(n_bytes, ptr);
2827 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2829 void *ptr = realloc(mem, n_bytes);
2830 trace_g_realloc(mem, n_bytes, ptr);
2834 static void free_and_trace(gpointer mem)
2840 static int object_set_property(const char *name, const char *value, void *opaque)
2842 Object *obj = OBJECT(opaque);
2843 StringInputVisitor *siv;
2844 Error *local_err = NULL;
2847 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2848 strcmp(name, "type") == 0) {
2852 qom_name = g_strdup(name);
2860 siv = string_input_visitor_new(value);
2861 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2862 string_input_visitor_cleanup(siv);
2866 qerror_report_err(local_err);
2867 error_free(local_err);
2874 static int object_create(QemuOpts *opts, void *opaque)
2883 ov = opts_visitor_new(opts);
2884 pdict = qemu_opts_to_qdict(opts, NULL);
2886 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2891 qdict_del(pdict, "qom-type");
2892 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2897 qdict_del(pdict, "id");
2898 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2903 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2907 visit_end_struct(opts_get_visitor(ov), &err);
2909 qmp_object_del(id, NULL);
2913 opts_visitor_cleanup(ov);
2920 qerror_report_err(err);
2926 int main(int argc, char **argv, char **envp)
2929 int snapshot, linux_boot;
2930 const char *initrd_filename;
2931 const char *kernel_filename, *kernel_cmdline;
2932 const char *boot_order;
2934 int cyls, heads, secs, translation;
2935 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2936 QemuOptsList *olist;
2939 const char *loadvm = NULL;
2940 MachineClass *machine_class;
2941 const char *cpu_model;
2942 const char *vga_model = NULL;
2943 const char *qtest_chrdev = NULL;
2944 const char *qtest_log = NULL;
2945 const char *pid_file = NULL;
2946 const char *incoming = NULL;
2948 int show_vnc_port = 0;
2950 bool defconfig = true;
2951 bool userconfig = true;
2952 const char *log_mask = NULL;
2953 const char *log_file = NULL;
2954 GMemVTable mem_trace = {
2955 .malloc = malloc_and_trace,
2956 .realloc = realloc_and_trace,
2957 .free = free_and_trace,
2959 const char *trace_events = NULL;
2960 const char *trace_file = NULL;
2961 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2963 ram_addr_t maxram_size = default_ram_size;
2964 uint64_t ram_slots = 0;
2965 FILE *vmstate_dump_file = NULL;
2967 atexit(qemu_run_exit_notifiers);
2968 error_set_progname(argv[0]);
2969 qemu_init_exec_dir(argv[0]);
2971 g_mem_set_vtable(&mem_trace);
2973 module_call_init(MODULE_INIT_QOM);
2975 qemu_add_opts(&qemu_drive_opts);
2976 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2977 qemu_add_drive_opts(&qemu_common_drive_opts);
2978 qemu_add_drive_opts(&qemu_drive_opts);
2979 qemu_add_opts(&qemu_chardev_opts);
2980 qemu_add_opts(&qemu_device_opts);
2981 qemu_add_opts(&qemu_netdev_opts);
2982 qemu_add_opts(&qemu_net_opts);
2983 qemu_add_opts(&qemu_rtc_opts);
2984 qemu_add_opts(&qemu_global_opts);
2985 qemu_add_opts(&qemu_mon_opts);
2986 qemu_add_opts(&qemu_trace_opts);
2987 qemu_add_opts(&qemu_option_rom_opts);
2988 qemu_add_opts(&qemu_machine_opts);
2989 qemu_add_opts(&qemu_mem_opts);
2990 qemu_add_opts(&qemu_smp_opts);
2991 qemu_add_opts(&qemu_boot_opts);
2992 qemu_add_opts(&qemu_sandbox_opts);
2993 qemu_add_opts(&qemu_add_fd_opts);
2994 qemu_add_opts(&qemu_object_opts);
2995 qemu_add_opts(&qemu_tpmdev_opts);
2996 qemu_add_opts(&qemu_realtime_opts);
2997 qemu_add_opts(&qemu_msg_opts);
2998 qemu_add_opts(&qemu_name_opts);
2999 qemu_add_opts(&qemu_numa_opts);
3000 qemu_add_opts(&qemu_icount_opts);
3004 rtc_clock = QEMU_CLOCK_HOST;
3006 QLIST_INIT (&vm_change_state_head);
3007 os_setup_early_signal_handling();
3009 module_call_init(MODULE_INIT_MACHINE);
3010 machine_class = find_default_machine();
3012 ram_size = default_ram_size;
3014 cyls = heads = secs = 0;
3015 translation = BIOS_ATA_TRANSLATION_AUTO;
3017 for (i = 0; i < MAX_NODES; i++) {
3018 numa_info[i].node_mem = 0;
3019 numa_info[i].present = false;
3020 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3024 max_numa_nodeid = 0;
3027 bdrv_init_with_whitelist();
3031 /* first pass of option parsing */
3033 while (optind < argc) {
3034 if (argv[optind][0] != '-') {
3038 const QEMUOption *popt;
3040 popt = lookup_opt(argc, argv, &optarg, &optind);
3041 switch (popt->index) {
3042 case QEMU_OPTION_nodefconfig:
3045 case QEMU_OPTION_nouserconfig:
3054 ret = qemu_read_default_config_files(userconfig);
3060 /* second pass of option parsing */
3065 if (argv[optind][0] != '-') {
3066 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3068 const QEMUOption *popt;
3070 popt = lookup_opt(argc, argv, &optarg, &optind);
3071 if (!(popt->arch_mask & arch_type)) {
3072 printf("Option %s not supported for this target\n", popt->name);
3075 switch(popt->index) {
3077 machine_class = machine_parse(optarg);
3079 case QEMU_OPTION_no_kvm_irqchip: {
3080 olist = qemu_find_opts("machine");
3081 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3084 case QEMU_OPTION_cpu:
3085 /* hw initialization will check this */
3088 case QEMU_OPTION_hda:
3092 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3094 snprintf(buf, sizeof(buf),
3095 "%s,cyls=%d,heads=%d,secs=%d%s",
3096 HD_OPTS , cyls, heads, secs,
3097 translation == BIOS_ATA_TRANSLATION_LBA ?
3099 translation == BIOS_ATA_TRANSLATION_NONE ?
3100 ",trans=none" : "");
3101 drive_add(IF_DEFAULT, 0, optarg, buf);
3104 case QEMU_OPTION_hdb:
3105 case QEMU_OPTION_hdc:
3106 case QEMU_OPTION_hdd:
3107 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3110 case QEMU_OPTION_drive:
3111 if (drive_def(optarg) == NULL) {
3115 case QEMU_OPTION_set:
3116 if (qemu_set_option(optarg) != 0)
3119 case QEMU_OPTION_global:
3120 if (qemu_global_option(optarg) != 0)
3123 case QEMU_OPTION_mtdblock:
3124 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3126 case QEMU_OPTION_sd:
3127 drive_add(IF_SD, -1, optarg, SD_OPTS);
3129 case QEMU_OPTION_pflash:
3130 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3132 case QEMU_OPTION_snapshot:
3135 case QEMU_OPTION_hdachs:
3139 cyls = strtol(p, (char **)&p, 0);
3140 if (cyls < 1 || cyls > 16383)
3145 heads = strtol(p, (char **)&p, 0);
3146 if (heads < 1 || heads > 16)
3151 secs = strtol(p, (char **)&p, 0);
3152 if (secs < 1 || secs > 63)
3156 if (!strcmp(p, "large")) {
3157 translation = BIOS_ATA_TRANSLATION_LARGE;
3158 } else if (!strcmp(p, "rechs")) {
3159 translation = BIOS_ATA_TRANSLATION_RECHS;
3160 } else if (!strcmp(p, "none")) {
3161 translation = BIOS_ATA_TRANSLATION_NONE;
3162 } else if (!strcmp(p, "lba")) {
3163 translation = BIOS_ATA_TRANSLATION_LBA;
3164 } else if (!strcmp(p, "auto")) {
3165 translation = BIOS_ATA_TRANSLATION_AUTO;
3169 } else if (*p != '\0') {
3171 fprintf(stderr, "qemu: invalid physical CHS format\n");
3174 if (hda_opts != NULL) {
3176 snprintf(num, sizeof(num), "%d", cyls);
3177 qemu_opt_set(hda_opts, "cyls", num);
3178 snprintf(num, sizeof(num), "%d", heads);
3179 qemu_opt_set(hda_opts, "heads", num);
3180 snprintf(num, sizeof(num), "%d", secs);
3181 qemu_opt_set(hda_opts, "secs", num);
3182 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3183 qemu_opt_set(hda_opts, "trans", "large");
3184 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3185 qemu_opt_set(hda_opts, "trans", "rechs");
3186 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3187 qemu_opt_set(hda_opts, "trans", "lba");
3188 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3189 qemu_opt_set(hda_opts, "trans", "none");
3194 case QEMU_OPTION_numa:
3195 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3200 case QEMU_OPTION_display:
3201 display_type = select_display(optarg);
3203 case QEMU_OPTION_nographic:
3204 display_type = DT_NOGRAPHIC;
3206 case QEMU_OPTION_curses:
3207 #ifdef CONFIG_CURSES
3208 display_type = DT_CURSES;
3210 fprintf(stderr, "Curses support is disabled\n");
3214 case QEMU_OPTION_portrait:
3215 graphic_rotate = 90;
3217 case QEMU_OPTION_rotate:
3218 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3219 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3220 graphic_rotate != 180 && graphic_rotate != 270) {
3222 "qemu: only 90, 180, 270 deg rotation is available\n");
3226 case QEMU_OPTION_kernel:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3229 case QEMU_OPTION_initrd:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3232 case QEMU_OPTION_append:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3235 case QEMU_OPTION_dtb:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3238 case QEMU_OPTION_cdrom:
3239 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3241 case QEMU_OPTION_boot:
3242 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3247 case QEMU_OPTION_fda:
3248 case QEMU_OPTION_fdb:
3249 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3252 case QEMU_OPTION_no_fd_bootchk:
3255 case QEMU_OPTION_netdev:
3256 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3260 case QEMU_OPTION_net:
3261 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3265 #ifdef CONFIG_LIBISCSI
3266 case QEMU_OPTION_iscsi:
3267 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3274 case QEMU_OPTION_tftp:
3275 legacy_tftp_prefix = optarg;
3277 case QEMU_OPTION_bootp:
3278 legacy_bootp_filename = optarg;
3280 case QEMU_OPTION_redir:
3281 if (net_slirp_redir(optarg) < 0)
3285 case QEMU_OPTION_bt:
3286 add_device_config(DEV_BT, optarg);
3288 case QEMU_OPTION_audio_help:
3292 case QEMU_OPTION_soundhw:
3293 select_soundhw (optarg);
3298 case QEMU_OPTION_version:
3302 case QEMU_OPTION_m: {
3304 const char *mem_str;
3305 const char *maxmem_str, *slots_str;
3307 opts = qemu_opts_parse(qemu_find_opts("memory"),
3313 mem_str = qemu_opt_get(opts, "size");
3315 error_report("invalid -m option, missing 'size' option");
3319 error_report("missing 'size' option value");
3323 sz = qemu_opt_get_size(opts, "size", ram_size);
3325 /* Fix up legacy suffix-less format */
3326 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3327 uint64_t overflow_check = sz;
3330 if ((sz >> 20) != overflow_check) {
3331 error_report("too large 'size' option value");
3336 /* backward compatibility behaviour for case "-m 0" */
3338 sz = default_ram_size;
3341 sz = QEMU_ALIGN_UP(sz, 8192);
3343 if (ram_size != sz) {
3344 error_report("ram size too large");
3347 maxram_size = ram_size;
3349 maxmem_str = qemu_opt_get(opts, "maxmem");
3350 slots_str = qemu_opt_get(opts, "slots");
3351 if (maxmem_str && slots_str) {
3354 sz = qemu_opt_get_size(opts, "maxmem", 0);
3355 if (sz < ram_size) {
3356 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3357 "(%" PRIu64 ") <= initial memory ("
3358 RAM_ADDR_FMT ")\n", sz, ram_size);
3362 slots = qemu_opt_get_number(opts, "slots", 0);
3363 if ((sz > ram_size) && !slots) {
3364 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3365 "(%" PRIu64 ") more than initial memory ("
3366 RAM_ADDR_FMT ") but no hotplug slots where "
3367 "specified\n", sz, ram_size);
3371 if ((sz <= ram_size) && slots) {
3372 fprintf(stderr, "qemu: invalid -m option value: %"
3373 PRIu64 " hotplug slots where specified but "
3374 "maxmem (%" PRIu64 ") <= initial memory ("
3375 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3380 } else if ((!maxmem_str && slots_str) ||
3381 (maxmem_str && !slots_str)) {
3382 fprintf(stderr, "qemu: invalid -m option value: missing "
3383 "'%s' option\n", slots_str ? "maxmem" : "slots");
3389 case QEMU_OPTION_tpmdev:
3390 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3395 case QEMU_OPTION_mempath:
3398 case QEMU_OPTION_mem_prealloc:
3408 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3410 case QEMU_OPTION_gdb:
3411 add_device_config(DEV_GDB, optarg);
3414 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3415 data_dir[data_dir_idx++] = optarg;
3418 case QEMU_OPTION_bios:
3419 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3421 case QEMU_OPTION_singlestep:
3428 keyboard_layout = optarg;
3430 case QEMU_OPTION_localtime:
3433 case QEMU_OPTION_vga:
3442 w = strtol(p, (char **)&p, 10);
3445 fprintf(stderr, "qemu: invalid resolution or depth\n");
3451 h = strtol(p, (char **)&p, 10);
3456 depth = strtol(p, (char **)&p, 10);
3457 if (depth != 8 && depth != 15 && depth != 16 &&
3458 depth != 24 && depth != 32)
3460 } else if (*p == '\0') {
3461 depth = graphic_depth;
3468 graphic_depth = depth;
3471 case QEMU_OPTION_echr:
3474 term_escape_char = strtol(optarg, &r, 0);
3476 printf("Bad argument to echr\n");
3479 case QEMU_OPTION_monitor:
3480 default_monitor = 0;
3481 if (strncmp(optarg, "none", 4)) {
3482 monitor_parse(optarg, "readline");
3485 case QEMU_OPTION_qmp:
3486 monitor_parse(optarg, "control");
3487 default_monitor = 0;
3489 case QEMU_OPTION_mon:
3490 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3494 default_monitor = 0;
3496 case QEMU_OPTION_chardev:
3497 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3502 case QEMU_OPTION_fsdev:
3503 olist = qemu_find_opts("fsdev");
3505 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3508 opts = qemu_opts_parse(olist, optarg, 1);
3513 case QEMU_OPTION_virtfs: {
3516 const char *writeout, *sock_fd, *socket;
3518 olist = qemu_find_opts("virtfs");
3520 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3523 opts = qemu_opts_parse(olist, optarg, 1);
3528 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3529 qemu_opt_get(opts, "mount_tag") == NULL) {
3530 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3533 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3534 qemu_opt_get(opts, "mount_tag"),
3537 fprintf(stderr, "duplicate fsdev id: %s\n",
3538 qemu_opt_get(opts, "mount_tag"));
3542 writeout = qemu_opt_get(opts, "writeout");
3544 #ifdef CONFIG_SYNC_FILE_RANGE
3545 qemu_opt_set(fsdev, "writeout", writeout);
3547 fprintf(stderr, "writeout=immediate not supported on "
3552 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3553 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3554 qemu_opt_set(fsdev, "security_model",
3555 qemu_opt_get(opts, "security_model"));
3556 socket = qemu_opt_get(opts, "socket");
3558 qemu_opt_set(fsdev, "socket", socket);
3560 sock_fd = qemu_opt_get(opts, "sock_fd");
3562 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3565 qemu_opt_set_bool(fsdev, "readonly",
3566 qemu_opt_get_bool(opts, "readonly", 0));
3567 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3569 qemu_opt_set(device, "driver", "virtio-9p-pci");
3570 qemu_opt_set(device, "fsdev",
3571 qemu_opt_get(opts, "mount_tag"));
3572 qemu_opt_set(device, "mount_tag",
3573 qemu_opt_get(opts, "mount_tag"));
3576 case QEMU_OPTION_virtfs_synth: {
3580 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3583 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3586 qemu_opt_set(fsdev, "fsdriver", "synth");
3588 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3590 qemu_opt_set(device, "driver", "virtio-9p-pci");
3591 qemu_opt_set(device, "fsdev", "v_synth");
3592 qemu_opt_set(device, "mount_tag", "v_synth");
3595 case QEMU_OPTION_serial:
3596 add_device_config(DEV_SERIAL, optarg);
3598 if (strncmp(optarg, "mon:", 4) == 0) {
3599 default_monitor = 0;
3602 case QEMU_OPTION_watchdog:
3605 "qemu: only one watchdog option may be given\n");
3610 case QEMU_OPTION_watchdog_action:
3611 if (select_watchdog_action(optarg) == -1) {
3612 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3616 case QEMU_OPTION_virtiocon:
3617 add_device_config(DEV_VIRTCON, optarg);
3618 default_virtcon = 0;
3619 if (strncmp(optarg, "mon:", 4) == 0) {
3620 default_monitor = 0;
3623 case QEMU_OPTION_parallel:
3624 add_device_config(DEV_PARALLEL, optarg);
3625 default_parallel = 0;
3626 if (strncmp(optarg, "mon:", 4) == 0) {
3627 default_monitor = 0;
3630 case QEMU_OPTION_debugcon:
3631 add_device_config(DEV_DEBUGCON, optarg);
3633 case QEMU_OPTION_loadvm:
3636 case QEMU_OPTION_full_screen:
3639 case QEMU_OPTION_no_frame:
3642 case QEMU_OPTION_alt_grab:
3645 case QEMU_OPTION_ctrl_grab:
3648 case QEMU_OPTION_no_quit:
3651 case QEMU_OPTION_sdl:
3653 display_type = DT_SDL;
3656 fprintf(stderr, "SDL support is disabled\n");
3659 case QEMU_OPTION_pidfile:
3662 case QEMU_OPTION_win2k_hack:
3663 win2k_install_hack = 1;
3665 case QEMU_OPTION_rtc_td_hack: {
3666 static GlobalProperty slew_lost_ticks[] = {
3668 .driver = "mc146818rtc",
3669 .property = "lost_tick_policy",
3672 { /* end of list */ }
3675 qdev_prop_register_global_list(slew_lost_ticks);
3678 case QEMU_OPTION_acpitable:
3679 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3683 do_acpitable_option(opts);
3685 case QEMU_OPTION_smbios:
3686 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3690 do_smbios_option(opts);
3692 case QEMU_OPTION_enable_kvm:
3693 olist = qemu_find_opts("machine");
3694 qemu_opts_parse(olist, "accel=kvm", 0);
3696 case QEMU_OPTION_machine:
3697 olist = qemu_find_opts("machine");
3698 opts = qemu_opts_parse(olist, optarg, 1);
3702 optarg = qemu_opt_get(opts, "type");
3704 machine_class = machine_parse(optarg);
3707 case QEMU_OPTION_no_kvm:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse(olist, "accel=tcg", 0);
3711 case QEMU_OPTION_no_kvm_pit: {
3712 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3716 case QEMU_OPTION_no_kvm_pit_reinjection: {
3717 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3719 .driver = "kvm-pit",
3720 .property = "lost_tick_policy",
3723 { /* end of list */ }
3726 fprintf(stderr, "Warning: option deprecated, use "
3727 "lost_tick_policy property of kvm-pit instead.\n");
3728 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3731 case QEMU_OPTION_usb:
3732 olist = qemu_find_opts("machine");
3733 qemu_opts_parse(olist, "usb=on", 0);
3735 case QEMU_OPTION_usbdevice:
3736 olist = qemu_find_opts("machine");
3737 qemu_opts_parse(olist, "usb=on", 0);
3738 add_device_config(DEV_USB, optarg);
3740 case QEMU_OPTION_device:
3741 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3745 case QEMU_OPTION_smp:
3746 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3750 case QEMU_OPTION_vnc:
3753 vnc_display = optarg;
3755 fprintf(stderr, "VNC support is disabled\n");
3759 case QEMU_OPTION_no_acpi:
3762 case QEMU_OPTION_no_hpet:
3765 case QEMU_OPTION_balloon:
3766 if (balloon_parse(optarg) < 0) {
3767 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3771 case QEMU_OPTION_no_reboot:
3774 case QEMU_OPTION_no_shutdown:
3777 case QEMU_OPTION_show_cursor:
3780 case QEMU_OPTION_uuid:
3781 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3782 fprintf(stderr, "Fail to parse UUID string."
3783 " Wrong format.\n");
3786 qemu_uuid_set = true;
3788 case QEMU_OPTION_option_rom:
3789 if (nb_option_roms >= MAX_OPTION_ROMS) {
3790 fprintf(stderr, "Too many option ROMs\n");
3793 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3797 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3798 option_rom[nb_option_roms].bootindex =
3799 qemu_opt_get_number(opts, "bootindex", -1);
3800 if (!option_rom[nb_option_roms].name) {
3801 fprintf(stderr, "Option ROM file is not specified\n");
3806 case QEMU_OPTION_semihosting:
3807 semihosting_enabled = 1;
3809 case QEMU_OPTION_tdf:
3810 fprintf(stderr, "Warning: user space PIT time drift fix "
3811 "is no longer supported.\n");
3813 case QEMU_OPTION_name:
3814 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3819 case QEMU_OPTION_prom_env:
3820 if (nb_prom_envs >= MAX_PROM_ENVS) {
3821 fprintf(stderr, "Too many prom variables\n");
3824 prom_envs[nb_prom_envs] = optarg;
3827 case QEMU_OPTION_old_param:
3830 case QEMU_OPTION_clock:
3831 /* Clock options no longer exist. Keep this option for
3832 * backward compatibility.
3835 case QEMU_OPTION_startdate:
3836 configure_rtc_date_offset(optarg, 1);
3838 case QEMU_OPTION_rtc:
3839 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3843 configure_rtc(opts);
3845 case QEMU_OPTION_tb_size:
3846 tcg_tb_size = strtol(optarg, NULL, 0);
3847 if (tcg_tb_size < 0) {
3851 case QEMU_OPTION_icount:
3852 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3858 case QEMU_OPTION_incoming:
3860 runstate_set(RUN_STATE_INMIGRATE);
3862 case QEMU_OPTION_nodefaults:
3865 case QEMU_OPTION_xen_domid:
3866 if (!(xen_available())) {
3867 printf("Option %s not supported for this target\n", popt->name);
3870 xen_domid = atoi(optarg);
3872 case QEMU_OPTION_xen_create:
3873 if (!(xen_available())) {
3874 printf("Option %s not supported for this target\n", popt->name);
3877 xen_mode = XEN_CREATE;
3879 case QEMU_OPTION_xen_attach:
3880 if (!(xen_available())) {
3881 printf("Option %s not supported for this target\n", popt->name);
3884 xen_mode = XEN_ATTACH;
3886 case QEMU_OPTION_trace:
3888 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3892 trace_events = qemu_opt_get(opts, "events");
3893 trace_file = qemu_opt_get(opts, "file");
3896 case QEMU_OPTION_readconfig:
3898 int ret = qemu_read_config_file(optarg);
3900 fprintf(stderr, "read config %s: %s\n", optarg,
3906 case QEMU_OPTION_spice:
3907 olist = qemu_find_opts("spice");
3909 fprintf(stderr, "spice is not supported by this qemu build.\n");
3912 opts = qemu_opts_parse(olist, optarg, 0);
3918 case QEMU_OPTION_writeconfig:
3921 if (strcmp(optarg, "-") == 0) {
3924 fp = fopen(optarg, "w");
3926 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3930 qemu_config_write(fp);
3936 case QEMU_OPTION_qtest:
3937 qtest_chrdev = optarg;
3939 case QEMU_OPTION_qtest_log:
3942 case QEMU_OPTION_sandbox:
3943 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3948 case QEMU_OPTION_add_fd:
3950 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3955 error_report("File descriptor passing is disabled on this "
3960 case QEMU_OPTION_object:
3961 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3966 case QEMU_OPTION_realtime:
3967 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3971 configure_realtime(opts);
3973 case QEMU_OPTION_msg:
3974 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3978 configure_msg(opts);
3980 case QEMU_OPTION_dump_vmstate:
3981 vmstate_dump_file = fopen(optarg, "w");
3982 if (vmstate_dump_file == NULL) {
3983 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3988 os_parse_cmd_args(popt->index, optarg);
3996 if (qemu_init_main_loop()) {
3997 fprintf(stderr, "qemu_init_main_loop failed\n");
4001 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4005 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4010 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4014 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4019 if (machine_class == NULL) {
4020 fprintf(stderr, "No machine specified, and there is no default.\n"
4021 "Use -machine help to list supported machines!\n");
4025 current_machine = MACHINE(object_new(object_class_get_name(
4026 OBJECT_CLASS(machine_class))));
4027 object_property_add_child(object_get_root(), "machine",
4028 OBJECT(current_machine), &error_abort);
4029 cpu_exec_init_all();
4031 if (machine_class->hw_version) {
4032 qemu_set_version(machine_class->hw_version);
4035 if (qemu_opts_foreach(qemu_find_opts("object"),
4036 object_create, NULL, 0) != 0) {
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 machine_opts = qemu_get_machine_opts();
4252 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4254 object_unref(OBJECT(current_machine));
4258 configure_accelerator(machine_class);
4261 Error *local_err = NULL;
4262 qtest_init(qtest_chrdev, qtest_log, &local_err);
4264 error_report("%s", error_get_pretty(local_err));
4265 error_free(local_err);
4270 machine_opts = qemu_get_machine_opts();
4271 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4272 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4273 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4274 bios_name = qemu_opt_get(machine_opts, "firmware");
4276 boot_order = machine_class->default_boot_order;
4277 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4279 char *normal_boot_order;
4280 const char *order, *once;
4282 order = qemu_opt_get(opts, "order");
4284 validate_bootdevices(order);
4288 once = qemu_opt_get(opts, "once");
4290 validate_bootdevices(once);
4291 normal_boot_order = g_strdup(boot_order);
4293 qemu_register_reset(restore_boot_order, normal_boot_order);
4296 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4297 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4300 if (!kernel_cmdline) {
4301 kernel_cmdline = "";
4302 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4305 linux_boot = (kernel_filename != NULL);
4307 if (!linux_boot && *kernel_cmdline != '\0') {
4308 fprintf(stderr, "-append only allowed with -kernel option\n");
4312 if (!linux_boot && initrd_filename != NULL) {
4313 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4317 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4318 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4322 os_set_line_buffering();
4324 qemu_init_cpu_loop();
4325 qemu_mutex_lock_iothread();
4328 /* spice needs the timers to be initialized by this point */
4333 if (kvm_enabled() || xen_enabled()) {
4334 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4337 configure_icount(icount_opts, &error_abort);
4338 qemu_opts_del(icount_opts);
4341 /* clean up network at qemu process termination */
4342 atexit(&net_cleanup);
4344 if (net_init_clients() < 0) {
4349 if (tpm_init() < 0) {
4354 /* init the bluetooth world */
4355 if (foreach_device_config(DEV_BT, bt_parse))
4358 if (!xen_enabled()) {
4359 /* On 32-bit hosts, QEMU is limited by virtual address space */
4360 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4361 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4369 /* open the virtual block devices */
4371 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4372 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4373 &machine_class->block_default_type, 1) != 0) {
4377 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4379 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4380 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4382 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4389 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4393 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4395 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4397 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4399 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4402 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4405 /* If no default VGA is requested, the default is "none". */
4407 if (cirrus_vga_available()) {
4408 vga_model = "cirrus";
4409 } else if (vga_available()) {
4414 select_vgahw(vga_model);
4418 i = select_watchdog(watchdog);
4420 exit (i == 1 ? 1 : 0);
4423 if (machine_class->compat_props) {
4424 qdev_prop_register_global_list(machine_class->compat_props);
4428 qdev_machine_init();
4430 current_machine->ram_size = ram_size;
4431 current_machine->maxram_size = maxram_size;
4432 current_machine->ram_slots = ram_slots;
4433 current_machine->boot_order = boot_order;
4434 current_machine->cpu_model = cpu_model;
4436 machine_class->init(current_machine);
4440 cpu_synchronize_all_post_init();
4444 /* init USB devices */
4445 if (usb_enabled(false)) {
4446 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4450 /* init generic devices */
4451 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4454 net_check_clients();
4456 ds = init_displaystate();
4458 /* init local displays */
4459 switch (display_type) {
4461 (void)ds; /* avoid warning if no display is configured */
4463 #if defined(CONFIG_CURSES)
4465 curses_display_init(ds, full_screen);
4468 #if defined(CONFIG_SDL)
4470 sdl_display_init(ds, full_screen, no_frame);
4472 #elif defined(CONFIG_COCOA)
4474 cocoa_display_init(ds, full_screen);
4477 #if defined(CONFIG_GTK)
4479 gtk_display_init(ds, full_screen, grab_on_hover);
4486 /* must be after terminal init, SDL library changes signal handlers */
4487 os_setup_signal_handling();
4490 /* init remote displays */
4492 Error *local_err = NULL;
4493 vnc_display_init(ds);
4494 vnc_display_open(ds, vnc_display, &local_err);
4495 if (local_err != NULL) {
4496 error_report("Failed to start VNC server on `%s': %s",
4497 vnc_display, error_get_pretty(local_err));
4498 error_free(local_err);
4502 if (show_vnc_port) {
4503 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4509 qemu_spice_display_init();
4513 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4517 qdev_machine_creation_done();
4519 if (rom_load_all() != 0) {
4520 fprintf(stderr, "rom loading failed\n");
4524 /* TODO: once all bus devices are qdevified, this should be done
4525 * when bus is created by qdev.c */
4526 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4527 qemu_run_machine_init_done_notifiers();
4529 /* Done notifiers can load ROMs */
4532 qemu_system_reset(VMRESET_SILENT);
4534 if (load_vmstate(loadvm) < 0) {
4539 qdev_prop_check_global();
4540 if (vmstate_dump_file) {
4542 dump_vmstate_json_to_file(vmstate_dump_file);
4547 Error *local_err = NULL;
4548 qemu_start_incoming_migration(incoming, &local_err);
4550 error_report("-incoming %s: %s", incoming,
4551 error_get_pretty(local_err));
4552 error_free(local_err);
4555 } else if (autostart) {
4561 if (is_daemonized()) {
4562 if (!trace_init_backends(trace_events, trace_file)) {