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"
64 #include "sysemu/accel.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 */
137 bool enable_mlock = false;
139 NICInfo nd_table[MAX_NICS];
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
149 static bool grab_on_hover;
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
162 const char *vnc_display;
164 int acpi_enabled = 1;
167 static int no_reboot;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int semihosting_enabled = 0;
176 const char *qemu_name;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
187 int icount_align_option;
191 NodeInfo numa_info[MAX_NODES];
193 uint8_t qemu_uuid[16];
196 static QEMUBootSetHandler *boot_set_handler;
197 static void *boot_set_opaque;
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
207 enum xen_mode xen_mode = XEN_EMULATE;
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
233 { .driver = "virtio-serial", .flag = &default_virtcon },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
242 static QemuOptsList qemu_rtc_opts = {
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .type = QEMU_OPT_STRING,
251 .type = QEMU_OPT_STRING,
254 .type = QEMU_OPT_STRING,
256 { /* end of list */ }
260 static QemuOptsList qemu_sandbox_opts = {
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
267 .type = QEMU_OPT_BOOL,
269 { /* end of list */ }
273 static QemuOptsList qemu_trace_opts = {
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
280 .type = QEMU_OPT_STRING,
283 .type = QEMU_OPT_STRING,
285 { /* end of list */ }
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
296 .type = QEMU_OPT_NUMBER,
299 .type = QEMU_OPT_STRING,
301 { /* end of list */ }
305 static QemuOptsList qemu_machine_opts = {
307 .implied_opt_name = "type",
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
313 .type = QEMU_OPT_STRING,
314 .help = "emulated machine"
317 .type = QEMU_OPT_STRING,
318 .help = "accelerator list",
320 .name = "kernel_irqchip",
321 .type = QEMU_OPT_BOOL,
322 .help = "use KVM in-kernel irqchip",
324 .name = "kvm_shadow_mem",
325 .type = QEMU_OPT_SIZE,
326 .help = "KVM shadow MMU size",
329 .type = QEMU_OPT_STRING,
330 .help = "Linux kernel image file",
333 .type = QEMU_OPT_STRING,
334 .help = "Linux initial ramdisk file",
337 .type = QEMU_OPT_STRING,
338 .help = "Linux kernel command line",
341 .type = QEMU_OPT_STRING,
342 .help = "Linux kernel device tree file",
345 .type = QEMU_OPT_STRING,
346 .help = "Dump current dtb to a file and quit",
348 .name = "phandle_start",
349 .type = QEMU_OPT_NUMBER,
350 .help = "The first phandle ID we may generate dynamically",
352 .name = "dt_compatible",
353 .type = QEMU_OPT_STRING,
354 .help = "Overrides the \"compatible\" property of the dt root node",
356 .name = "dump-guest-core",
357 .type = QEMU_OPT_BOOL,
358 .help = "Include guest memory in a core dump",
361 .type = QEMU_OPT_BOOL,
362 .help = "enable/disable memory merge support",
365 .type = QEMU_OPT_BOOL,
366 .help = "Set on/off to enable/disable usb",
369 .type = QEMU_OPT_STRING,
370 .help = "firmware image",
373 .type = QEMU_OPT_STRING,
374 .help = "Specifies the KVM virtualization mode (HV, PR)",
376 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
377 .type = QEMU_OPT_SIZE,
378 .help = "maximum ram below the 4G boundary (32bit boundary)",
380 .name = PC_MACHINE_VMPORT,
381 .type = QEMU_OPT_BOOL,
382 .help = "Enable vmport (pc & q35)",
385 .type = QEMU_OPT_BOOL,
386 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
388 { /* End of list */ }
392 static QemuOptsList qemu_boot_opts = {
394 .implied_opt_name = "order",
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
400 .type = QEMU_OPT_STRING,
403 .type = QEMU_OPT_STRING,
406 .type = QEMU_OPT_BOOL,
409 .type = QEMU_OPT_STRING,
411 .name = "splash-time",
412 .type = QEMU_OPT_STRING,
414 .name = "reboot-timeout",
415 .type = QEMU_OPT_STRING,
418 .type = QEMU_OPT_BOOL,
424 static QemuOptsList qemu_add_fd_opts = {
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
430 .type = QEMU_OPT_NUMBER,
431 .help = "file descriptor of which a duplicate is added to fd set",
434 .type = QEMU_OPT_NUMBER,
435 .help = "ID of the fd set to add fd to",
438 .type = QEMU_OPT_STRING,
439 .help = "free-form string used to describe fd",
441 { /* end of list */ }
445 static QemuOptsList qemu_object_opts = {
447 .implied_opt_name = "qom-type",
448 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
454 static QemuOptsList qemu_tpmdev_opts = {
456 .implied_opt_name = "type",
457 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
459 /* options are defined in the TPM backends */
460 { /* end of list */ }
464 static QemuOptsList qemu_realtime_opts = {
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
470 .type = QEMU_OPT_BOOL,
472 { /* end of list */ }
476 static QemuOptsList qemu_msg_opts = {
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
482 .type = QEMU_OPT_BOOL,
484 { /* end of list */ }
488 static QemuOptsList qemu_name_opts = {
490 .implied_opt_name = "guest",
492 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
496 .type = QEMU_OPT_STRING,
497 .help = "Sets the name of the guest.\n"
498 "This name will be displayed in the SDL window caption.\n"
499 "The name will also be used for the VNC server",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets the name of the QEMU process, as shown in top etc",
505 .name = "debug-threads",
506 .type = QEMU_OPT_BOOL,
507 .help = "When enabled, name the individual threads; defaults off.\n"
508 "NOTE: The thread names are for debugging and not a\n"
511 { /* End of list */ }
515 static QemuOptsList qemu_mem_opts = {
517 .implied_opt_name = "size",
518 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
523 .type = QEMU_OPT_SIZE,
527 .type = QEMU_OPT_NUMBER,
531 .type = QEMU_OPT_SIZE,
533 { /* end of list */ }
537 static QemuOptsList qemu_icount_opts = {
539 .implied_opt_name = "shift",
541 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
545 .type = QEMU_OPT_STRING,
548 .type = QEMU_OPT_BOOL,
550 { /* end of list */ }
555 * Get machine options
557 * Returns: machine options (never null).
559 QemuOpts *qemu_get_machine_opts(void)
561 return qemu_find_opts_singleton("machine");
564 const char *qemu_get_vm_name(void)
569 static void res_free(void)
571 if (boot_splash_filedata != NULL) {
572 g_free(boot_splash_filedata);
573 boot_splash_filedata = NULL;
577 static int default_driver_check(QemuOpts *opts, void *opaque)
579 const char *driver = qemu_opt_get(opts, "driver");
584 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
585 if (strcmp(default_list[i].driver, driver) != 0)
587 *(default_list[i].flag) = 0;
592 /***********************************************************/
595 static RunState current_run_state = RUN_STATE_PRELAUNCH;
597 /* We use RUN_STATE_MAX but any invalid value will do */
598 static RunState vmstop_requested = RUN_STATE_MAX;
599 static QemuMutex vmstop_lock;
604 } RunStateTransition;
606 static const RunStateTransition runstate_transitions_def[] = {
608 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
609 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
618 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
621 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
627 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
630 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
631 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
633 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
635 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
636 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
638 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
639 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
642 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
643 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
644 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
651 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
652 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
653 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
654 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
657 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
660 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
662 { RUN_STATE_MAX, RUN_STATE_MAX },
665 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
667 bool runstate_check(RunState state)
669 return current_run_state == state;
672 static void runstate_init(void)
674 const RunStateTransition *p;
676 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
677 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
678 runstate_valid_transitions[p->from][p->to] = true;
681 qemu_mutex_init(&vmstop_lock);
684 /* This function will abort() on invalid state transitions */
685 void runstate_set(RunState new_state)
687 assert(new_state < RUN_STATE_MAX);
689 if (!runstate_valid_transitions[current_run_state][new_state]) {
690 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
691 RunState_lookup[current_run_state],
692 RunState_lookup[new_state]);
695 trace_runstate_set(new_state);
696 current_run_state = new_state;
699 int runstate_is_running(void)
701 return runstate_check(RUN_STATE_RUNNING);
704 bool runstate_needs_reset(void)
706 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
707 runstate_check(RUN_STATE_SHUTDOWN);
710 StatusInfo *qmp_query_status(Error **errp)
712 StatusInfo *info = g_malloc0(sizeof(*info));
714 info->running = runstate_is_running();
715 info->singlestep = singlestep;
716 info->status = current_run_state;
721 static bool qemu_vmstop_requested(RunState *r)
723 qemu_mutex_lock(&vmstop_lock);
724 *r = vmstop_requested;
725 vmstop_requested = RUN_STATE_MAX;
726 qemu_mutex_unlock(&vmstop_lock);
727 return *r < RUN_STATE_MAX;
730 void qemu_system_vmstop_request_prepare(void)
732 qemu_mutex_lock(&vmstop_lock);
735 void qemu_system_vmstop_request(RunState state)
737 vmstop_requested = state;
738 qemu_mutex_unlock(&vmstop_lock);
746 qemu_vmstop_requested(&requested);
747 if (runstate_is_running() && requested == RUN_STATE_MAX) {
751 /* Ensure that a STOP/RESUME pair of events is emitted if a
752 * vmstop request was pending. The BLOCK_IO_ERROR event, for
753 * example, according to documentation is always followed by
756 if (runstate_is_running()) {
757 qapi_event_send_stop(&error_abort);
760 runstate_set(RUN_STATE_RUNNING);
761 vm_state_notify(1, RUN_STATE_RUNNING);
765 qapi_event_send_resume(&error_abort);
769 /***********************************************************/
770 /* real time host monotonic timer */
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
780 if (rtc_date_offset == -1) {
784 localtime_r(&ti, tm);
786 ti -= rtc_date_offset;
791 int qemu_timedate_diff(struct tm *tm)
795 if (rtc_date_offset == -1)
797 seconds = mktimegm(tm);
800 tmp.tm_isdst = -1; /* use timezone to figure it out */
801 seconds = mktime(&tmp);
804 seconds = mktimegm(tm) + rtc_date_offset;
806 return seconds - time(NULL);
809 static void configure_rtc_date_offset(const char *startdate, int legacy)
811 time_t rtc_start_date;
814 if (!strcmp(startdate, "now") && legacy) {
815 rtc_date_offset = -1;
817 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
825 } else if (sscanf(startdate, "%d-%d-%d",
837 rtc_start_date = mktimegm(&tm);
838 if (rtc_start_date == -1) {
840 fprintf(stderr, "Invalid date format. Valid formats are:\n"
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
844 rtc_date_offset = time(NULL) - rtc_start_date;
848 static void configure_rtc(QemuOpts *opts)
852 value = qemu_opt_get(opts, "base");
854 if (!strcmp(value, "utc")) {
856 } else if (!strcmp(value, "localtime")) {
859 configure_rtc_date_offset(value, 0);
862 value = qemu_opt_get(opts, "clock");
864 if (!strcmp(value, "host")) {
865 rtc_clock = QEMU_CLOCK_HOST;
866 } else if (!strcmp(value, "rt")) {
867 rtc_clock = QEMU_CLOCK_REALTIME;
868 } else if (!strcmp(value, "vm")) {
869 rtc_clock = QEMU_CLOCK_VIRTUAL;
871 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
875 value = qemu_opt_get(opts, "driftfix");
877 if (!strcmp(value, "slew")) {
878 static GlobalProperty slew_lost_ticks[] = {
880 .driver = "mc146818rtc",
881 .property = "lost_tick_policy",
884 { /* end of list */ }
887 qdev_prop_register_global_list(slew_lost_ticks);
888 } else if (!strcmp(value, "none")) {
889 /* discard is default */
891 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
897 /***********************************************************/
898 /* Bluetooth support */
901 static struct HCIInfo *hci_table[MAX_NICS];
903 struct HCIInfo *qemu_next_hci(void)
905 if (cur_hci == nb_hcis)
908 return hci_table[cur_hci++];
911 static int bt_hci_parse(const char *str)
916 if (nb_hcis >= MAX_NICS) {
917 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
930 bdaddr.b[5] = 0x56 + nb_hcis;
931 hci->bdaddr_set(hci, bdaddr.b);
933 hci_table[nb_hcis++] = hci;
938 static void bt_vhci_add(int vlan_id)
940 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
943 fprintf(stderr, "qemu: warning: adding a VHCI to "
944 "an empty scatternet %i\n", vlan_id);
946 bt_vhci_init(bt_new_hci(vlan));
949 static struct bt_device_s *bt_device_add(const char *opt)
951 struct bt_scatternet_s *vlan;
953 char *endp = strstr(opt, ",vlan=");
954 int len = (endp ? endp - opt : strlen(opt)) + 1;
957 pstrcpy(devname, MIN(sizeof(devname), len), opt);
960 vlan_id = strtol(endp + 6, &endp, 0);
962 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
967 vlan = qemu_find_bt_vlan(vlan_id);
970 fprintf(stderr, "qemu: warning: adding a slave device to "
971 "an empty scatternet %i\n", vlan_id);
973 if (!strcmp(devname, "keyboard"))
974 return bt_keyboard_init(vlan);
976 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
980 static int bt_parse(const char *opt)
982 const char *endp, *p;
985 if (strstart(opt, "hci", &endp)) {
986 if (!*endp || *endp == ',') {
988 if (!strstart(endp, ",vlan=", 0))
991 return bt_hci_parse(opt);
993 } else if (strstart(opt, "vhci", &endp)) {
994 if (!*endp || *endp == ',') {
996 if (strstart(endp, ",vlan=", &p)) {
997 vlan = strtol(p, (char **) &endp, 0);
999 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1003 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1012 } else if (strstart(opt, "device:", &endp))
1013 return !bt_device_add(endp);
1015 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1019 static int parse_sandbox(QemuOpts *opts, void *opaque)
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1026 "failed to install seccomp syscall filter in the kernel");
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031 "sandboxing request but seccomp is not compiled into this build");
1039 static int parse_name(QemuOpts *opts, void *opaque)
1041 const char *proc_name;
1043 if (qemu_opt_get(opts, "debug-threads")) {
1044 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1046 qemu_name = qemu_opt_get(opts, "guest");
1048 proc_name = qemu_opt_get(opts, "process");
1050 os_set_proc_name(proc_name);
1056 bool usb_enabled(bool default_usb)
1058 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1059 has_defaults && default_usb);
1063 static int parse_add_fd(QemuOpts *opts, void *opaque)
1065 int fd, dupfd, flags;
1067 const char *fd_opaque = NULL;
1069 fd = qemu_opt_get_number(opts, "fd", -1);
1070 fdset_id = qemu_opt_get_number(opts, "set", -1);
1071 fd_opaque = qemu_opt_get(opts, "opaque");
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1075 "fd option is required and must be non-negative");
1079 if (fd <= STDERR_FILENO) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1081 "fd cannot be a standard I/O stream");
1086 * All fds inherited across exec() necessarily have FD_CLOEXEC
1087 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1089 flags = fcntl(fd, F_GETFD);
1090 if (flags == -1 || (flags & FD_CLOEXEC)) {
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1092 "fd is not valid or already in use");
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "set option is required and must be non-negative");
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1107 qemu_set_cloexec(dupfd);
1111 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1112 "Error duplicating fd: %s", strerror(errno));
1116 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1117 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1123 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1127 fd = qemu_opt_get_number(opts, "fd", -1);
1134 /***********************************************************/
1135 /* QEMU Block devices */
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1140 #define PFLASH_OPTS ""
1144 static int drive_init_func(QemuOpts *opts, void *opaque)
1146 BlockInterfaceType *block_default_type = opaque;
1148 return drive_new(opts, *block_default_type) == NULL;
1151 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1153 if (qemu_opt_get(opts, "snapshot") == NULL) {
1154 qemu_opt_set(opts, "snapshot", "on");
1159 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1160 int index, const char *optstr)
1165 if (!enable || drive_get_by_index(type, index)) {
1169 opts = drive_add(type, index, NULL, optstr);
1171 drive_enable_snapshot(opts, NULL);
1174 dinfo = drive_new(opts, type);
1178 dinfo->is_default = true;
1182 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1184 boot_set_handler = func;
1185 boot_set_opaque = opaque;
1188 int qemu_boot_set(const char *boot_order)
1190 if (!boot_set_handler) {
1193 return boot_set_handler(boot_set_opaque, boot_order);
1196 static void validate_bootdevices(const char *devices)
1198 /* We just do some generic consistency checks */
1202 for (p = devices; *p != '\0'; p++) {
1203 /* Allowed boot devices are:
1204 * a-b: floppy disk drives
1205 * c-f: IDE disk drives
1206 * g-m: machine implementation dependent drives
1207 * n-p: network devices
1208 * It's up to each machine implementation to check if the given boot
1209 * devices match the actual hardware implementation and firmware
1212 if (*p < 'a' || *p > 'p') {
1213 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1216 if (bitmap & (1 << (*p - 'a'))) {
1217 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1220 bitmap |= 1 << (*p - 'a');
1224 static void restore_boot_order(void *opaque)
1226 char *normal_boot_order = opaque;
1227 static int first = 1;
1229 /* Restore boot order and remove ourselves after the first boot */
1235 qemu_boot_set(normal_boot_order);
1237 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1238 g_free(normal_boot_order);
1241 static QemuOptsList qemu_smp_opts = {
1243 .implied_opt_name = "cpus",
1244 .merge_lists = true,
1245 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1249 .type = QEMU_OPT_NUMBER,
1252 .type = QEMU_OPT_NUMBER,
1255 .type = QEMU_OPT_NUMBER,
1258 .type = QEMU_OPT_NUMBER,
1261 .type = QEMU_OPT_NUMBER,
1263 { /*End of list */ }
1267 static void smp_parse(QemuOpts *opts)
1271 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1272 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1273 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1274 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1276 /* compute missing values, prefer sockets over cores over threads */
1277 if (cpus == 0 || sockets == 0) {
1278 sockets = sockets > 0 ? sockets : 1;
1279 cores = cores > 0 ? cores : 1;
1280 threads = threads > 0 ? threads : 1;
1282 cpus = cores * threads * sockets;
1286 threads = threads > 0 ? threads : 1;
1287 cores = cpus / (sockets * threads);
1289 threads = cpus / (cores * sockets);
1293 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1296 smp_cores = cores > 0 ? cores : 1;
1297 smp_threads = threads > 0 ? threads : 1;
1301 if (max_cpus == 0) {
1302 max_cpus = smp_cpus;
1305 if (max_cpus > MAX_CPUMASK_BITS) {
1306 fprintf(stderr, "Unsupported number of maxcpus\n");
1309 if (max_cpus < smp_cpus) {
1310 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1316 static void realtime_init(void)
1319 if (os_mlock() < 0) {
1320 fprintf(stderr, "qemu: locking memory failed\n");
1327 static void configure_msg(QemuOpts *opts)
1329 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1332 /***********************************************************/
1335 static int usb_device_add(const char *devname)
1337 USBDevice *dev = NULL;
1338 #ifndef CONFIG_LINUX
1342 if (!usb_enabled(false)) {
1346 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1347 dev = usbdevice_create(devname);
1351 /* the other ones */
1352 #ifndef CONFIG_LINUX
1353 /* only the linux version is qdev-ified, usb-bsd still needs this */
1354 if (strstart(devname, "host:", &p)) {
1355 dev = usb_host_device_open(usb_bus_find(-1), p);
1365 static int usb_device_del(const char *devname)
1370 if (strstart(devname, "host:", &p)) {
1374 if (!usb_enabled(false)) {
1378 p = strchr(devname, '.');
1381 bus_num = strtoul(devname, NULL, 0);
1382 addr = strtoul(p + 1, NULL, 0);
1384 return usb_device_delete_addr(bus_num, addr);
1387 static int usb_parse(const char *cmdline)
1390 r = usb_device_add(cmdline);
1392 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1397 void do_usb_add(Monitor *mon, const QDict *qdict)
1399 const char *devname = qdict_get_str(qdict, "devname");
1400 if (usb_device_add(devname) < 0) {
1401 error_report("could not add USB device '%s'", devname);
1405 void do_usb_del(Monitor *mon, const QDict *qdict)
1407 const char *devname = qdict_get_str(qdict, "devname");
1408 if (usb_device_del(devname) < 0) {
1409 error_report("could not delete USB device '%s'", devname);
1413 /***********************************************************/
1414 /* machine registration */
1416 MachineState *current_machine;
1418 static void machine_class_init(ObjectClass *oc, void *data)
1420 MachineClass *mc = MACHINE_CLASS(oc);
1421 QEMUMachine *qm = data;
1423 mc->family = qm->family;
1424 mc->name = qm->name;
1425 mc->alias = qm->alias;
1426 mc->desc = qm->desc;
1427 mc->init = qm->init;
1428 mc->reset = qm->reset;
1429 mc->hot_add_cpu = qm->hot_add_cpu;
1430 mc->kvm_type = qm->kvm_type;
1431 mc->block_default_type = qm->block_default_type;
1432 mc->units_per_default_bus = qm->units_per_default_bus;
1433 mc->max_cpus = qm->max_cpus;
1434 mc->no_serial = qm->no_serial;
1435 mc->no_parallel = qm->no_parallel;
1436 mc->use_virtcon = qm->use_virtcon;
1437 mc->use_sclp = qm->use_sclp;
1438 mc->no_floppy = qm->no_floppy;
1439 mc->no_cdrom = qm->no_cdrom;
1440 mc->no_sdcard = qm->no_sdcard;
1441 mc->is_default = qm->is_default;
1442 mc->default_machine_opts = qm->default_machine_opts;
1443 mc->default_boot_order = qm->default_boot_order;
1444 mc->compat_props = qm->compat_props;
1445 mc->hw_version = qm->hw_version;
1448 int qemu_register_machine(QEMUMachine *m)
1450 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1453 .parent = TYPE_MACHINE,
1454 .class_init = machine_class_init,
1455 .class_data = (void *)m,
1464 static MachineClass *find_machine(const char *name)
1466 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1467 MachineClass *mc = NULL;
1469 for (el = machines; el; el = el->next) {
1470 MachineClass *temp = el->data;
1472 if (!strcmp(temp->name, name)) {
1477 !strcmp(temp->alias, name)) {
1483 g_slist_free(machines);
1487 MachineClass *find_default_machine(void)
1489 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1490 MachineClass *mc = NULL;
1492 for (el = machines; el; el = el->next) {
1493 MachineClass *temp = el->data;
1495 if (temp->is_default) {
1501 g_slist_free(machines);
1505 MachineInfoList *qmp_query_machines(Error **errp)
1507 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1508 MachineInfoList *mach_list = NULL;
1510 for (el = machines; el; el = el->next) {
1511 MachineClass *mc = el->data;
1512 MachineInfoList *entry;
1515 info = g_malloc0(sizeof(*info));
1516 if (mc->is_default) {
1517 info->has_is_default = true;
1518 info->is_default = true;
1522 info->has_alias = true;
1523 info->alias = g_strdup(mc->alias);
1526 info->name = g_strdup(mc->name);
1527 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1535 g_slist_free(machines);
1539 /***********************************************************/
1540 /* main execution loop */
1542 struct vm_change_state_entry {
1543 VMChangeStateHandler *cb;
1545 QLIST_ENTRY (vm_change_state_entry) entries;
1548 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1550 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1553 VMChangeStateEntry *e;
1555 e = g_malloc0(sizeof (*e));
1559 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1563 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1565 QLIST_REMOVE (e, entries);
1569 void vm_state_notify(int running, RunState state)
1571 VMChangeStateEntry *e, *next;
1573 trace_vm_state_notify(running, state);
1575 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1576 e->cb(e->opaque, running, state);
1580 /* reset/shutdown handler */
1582 typedef struct QEMUResetEntry {
1583 QTAILQ_ENTRY(QEMUResetEntry) entry;
1584 QEMUResetHandler *func;
1588 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1589 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1590 static int reset_requested;
1591 static int shutdown_requested, shutdown_signal = -1;
1592 static pid_t shutdown_pid;
1593 static int powerdown_requested;
1594 static int debug_requested;
1595 static int suspend_requested;
1596 static WakeupReason wakeup_reason;
1597 static NotifierList powerdown_notifiers =
1598 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1599 static NotifierList suspend_notifiers =
1600 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1601 static NotifierList wakeup_notifiers =
1602 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1603 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1605 int qemu_shutdown_requested_get(void)
1607 return shutdown_requested;
1610 int qemu_reset_requested_get(void)
1612 return reset_requested;
1615 static int qemu_shutdown_requested(void)
1617 return atomic_xchg(&shutdown_requested, 0);
1620 static void qemu_kill_report(void)
1622 if (!qtest_driver() && shutdown_signal != -1) {
1623 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1624 if (shutdown_pid == 0) {
1625 /* This happens for eg ^C at the terminal, so it's worth
1626 * avoiding printing an odd message in that case.
1628 fputc('\n', stderr);
1630 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1632 shutdown_signal = -1;
1636 static int qemu_reset_requested(void)
1638 int r = reset_requested;
1639 reset_requested = 0;
1643 static int qemu_suspend_requested(void)
1645 int r = suspend_requested;
1646 suspend_requested = 0;
1650 static WakeupReason qemu_wakeup_requested(void)
1652 return wakeup_reason;
1655 static int qemu_powerdown_requested(void)
1657 int r = powerdown_requested;
1658 powerdown_requested = 0;
1662 static int qemu_debug_requested(void)
1664 int r = debug_requested;
1665 debug_requested = 0;
1669 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1671 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1674 re->opaque = opaque;
1675 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1678 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1682 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1683 if (re->func == func && re->opaque == opaque) {
1684 QTAILQ_REMOVE(&reset_handlers, re, entry);
1691 void qemu_devices_reset(void)
1693 QEMUResetEntry *re, *nre;
1695 /* reset all devices */
1696 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1697 re->func(re->opaque);
1701 void qemu_system_reset(bool report)
1705 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1707 if (mc && mc->reset) {
1710 qemu_devices_reset();
1713 qapi_event_send_reset(&error_abort);
1715 cpu_synchronize_all_post_reset();
1718 void qemu_system_reset_request(void)
1721 shutdown_requested = 1;
1723 reset_requested = 1;
1726 qemu_notify_event();
1729 static void qemu_system_suspend(void)
1732 notifier_list_notify(&suspend_notifiers, NULL);
1733 runstate_set(RUN_STATE_SUSPENDED);
1734 qapi_event_send_suspend(&error_abort);
1737 void qemu_system_suspend_request(void)
1739 if (runstate_check(RUN_STATE_SUSPENDED)) {
1742 suspend_requested = 1;
1744 qemu_notify_event();
1747 void qemu_register_suspend_notifier(Notifier *notifier)
1749 notifier_list_add(&suspend_notifiers, notifier);
1752 void qemu_system_wakeup_request(WakeupReason reason)
1754 trace_system_wakeup_request(reason);
1756 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1759 if (!(wakeup_reason_mask & (1 << reason))) {
1762 runstate_set(RUN_STATE_RUNNING);
1763 wakeup_reason = reason;
1764 qemu_notify_event();
1767 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1770 wakeup_reason_mask |= (1 << reason);
1772 wakeup_reason_mask &= ~(1 << reason);
1776 void qemu_register_wakeup_notifier(Notifier *notifier)
1778 notifier_list_add(&wakeup_notifiers, notifier);
1781 void qemu_system_killed(int signal, pid_t pid)
1783 shutdown_signal = signal;
1786 qemu_system_shutdown_request();
1789 void qemu_system_shutdown_request(void)
1791 trace_qemu_system_shutdown_request();
1792 shutdown_requested = 1;
1793 qemu_notify_event();
1796 static void qemu_system_powerdown(void)
1798 qapi_event_send_powerdown(&error_abort);
1799 notifier_list_notify(&powerdown_notifiers, NULL);
1802 void qemu_system_powerdown_request(void)
1804 trace_qemu_system_powerdown_request();
1805 powerdown_requested = 1;
1806 qemu_notify_event();
1809 void qemu_register_powerdown_notifier(Notifier *notifier)
1811 notifier_list_add(&powerdown_notifiers, notifier);
1814 void qemu_system_debug_request(void)
1816 debug_requested = 1;
1817 qemu_notify_event();
1820 static bool main_loop_should_exit(void)
1823 if (qemu_debug_requested()) {
1824 vm_stop(RUN_STATE_DEBUG);
1826 if (qemu_suspend_requested()) {
1827 qemu_system_suspend();
1829 if (qemu_shutdown_requested()) {
1831 qapi_event_send_shutdown(&error_abort);
1833 vm_stop(RUN_STATE_SHUTDOWN);
1838 if (qemu_reset_requested()) {
1840 cpu_synchronize_all_states();
1841 qemu_system_reset(VMRESET_REPORT);
1843 if (runstate_needs_reset()) {
1844 runstate_set(RUN_STATE_PAUSED);
1847 if (qemu_wakeup_requested()) {
1849 cpu_synchronize_all_states();
1850 qemu_system_reset(VMRESET_SILENT);
1851 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1852 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1854 qapi_event_send_wakeup(&error_abort);
1856 if (qemu_powerdown_requested()) {
1857 qemu_system_powerdown();
1859 if (qemu_vmstop_requested(&r)) {
1865 static void main_loop(void)
1869 #ifdef CONFIG_PROFILER
1873 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1874 #ifdef CONFIG_PROFILER
1875 ti = profile_getclock();
1877 last_io = main_loop_wait(nonblocking);
1878 #ifdef CONFIG_PROFILER
1879 dev_time += profile_getclock() - ti;
1881 } while (!main_loop_should_exit());
1884 static void version(void)
1886 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1889 static void help(int exitcode)
1892 printf("usage: %s [options] [disk_image]\n\n"
1893 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1894 error_get_progname());
1896 #define QEMU_OPTIONS_GENERATE_HELP
1897 #include "qemu-options-wrapper.h"
1899 printf("\nDuring emulation, the following keys are useful:\n"
1900 "ctrl-alt-f toggle full screen\n"
1901 "ctrl-alt-n switch to virtual console 'n'\n"
1902 "ctrl-alt toggle mouse and keyboard grab\n"
1904 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1909 #define HAS_ARG 0x0001
1911 typedef struct QEMUOption {
1918 static const QEMUOption qemu_options[] = {
1919 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1920 #define QEMU_OPTIONS_GENERATE_OPTIONS
1921 #include "qemu-options-wrapper.h"
1925 static bool vga_available(void)
1927 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1930 static bool cirrus_vga_available(void)
1932 return object_class_by_name("cirrus-vga")
1933 || object_class_by_name("isa-cirrus-vga");
1936 static bool vmware_vga_available(void)
1938 return object_class_by_name("vmware-svga");
1941 static bool qxl_vga_available(void)
1943 return object_class_by_name("qxl-vga");
1946 static bool tcx_vga_available(void)
1948 return object_class_by_name("SUNW,tcx");
1951 static bool cg3_vga_available(void)
1953 return object_class_by_name("cgthree");
1956 static void select_vgahw (const char *p)
1960 assert(vga_interface_type == VGA_NONE);
1961 if (strstart(p, "std", &opts)) {
1962 if (vga_available()) {
1963 vga_interface_type = VGA_STD;
1965 fprintf(stderr, "Error: standard VGA not available\n");
1968 } else if (strstart(p, "cirrus", &opts)) {
1969 if (cirrus_vga_available()) {
1970 vga_interface_type = VGA_CIRRUS;
1972 fprintf(stderr, "Error: Cirrus VGA not available\n");
1975 } else if (strstart(p, "vmware", &opts)) {
1976 if (vmware_vga_available()) {
1977 vga_interface_type = VGA_VMWARE;
1979 fprintf(stderr, "Error: VMWare SVGA not available\n");
1982 } else if (strstart(p, "xenfb", &opts)) {
1983 vga_interface_type = VGA_XENFB;
1984 } else if (strstart(p, "qxl", &opts)) {
1985 if (qxl_vga_available()) {
1986 vga_interface_type = VGA_QXL;
1988 fprintf(stderr, "Error: QXL VGA not available\n");
1991 } else if (strstart(p, "tcx", &opts)) {
1992 if (tcx_vga_available()) {
1993 vga_interface_type = VGA_TCX;
1995 fprintf(stderr, "Error: TCX framebuffer not available\n");
1998 } else if (strstart(p, "cg3", &opts)) {
1999 if (cg3_vga_available()) {
2000 vga_interface_type = VGA_CG3;
2002 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2005 } else if (!strstart(p, "none", &opts)) {
2007 fprintf(stderr, "Unknown vga type: %s\n", p);
2011 const char *nextopt;
2013 if (strstart(opts, ",retrace=", &nextopt)) {
2015 if (strstart(opts, "dumb", &nextopt))
2016 vga_retrace_method = VGA_RETRACE_DUMB;
2017 else if (strstart(opts, "precise", &nextopt))
2018 vga_retrace_method = VGA_RETRACE_PRECISE;
2019 else goto invalid_vga;
2020 } else goto invalid_vga;
2025 static DisplayType select_display(const char *p)
2028 DisplayType display = DT_DEFAULT;
2030 if (strstart(p, "sdl", &opts)) {
2034 const char *nextopt;
2036 if (strstart(opts, ",frame=", &nextopt)) {
2038 if (strstart(opts, "on", &nextopt)) {
2040 } else if (strstart(opts, "off", &nextopt)) {
2043 goto invalid_sdl_args;
2045 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2047 if (strstart(opts, "on", &nextopt)) {
2049 } else if (strstart(opts, "off", &nextopt)) {
2052 goto invalid_sdl_args;
2054 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2056 if (strstart(opts, "on", &nextopt)) {
2058 } else if (strstart(opts, "off", &nextopt)) {
2061 goto invalid_sdl_args;
2063 } else if (strstart(opts, ",window_close=", &nextopt)) {
2065 if (strstart(opts, "on", &nextopt)) {
2067 } else if (strstart(opts, "off", &nextopt)) {
2070 goto invalid_sdl_args;
2074 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2080 fprintf(stderr, "SDL support is disabled\n");
2083 } else if (strstart(p, "vnc", &opts)) {
2088 const char *nextopt;
2090 if (strstart(opts, "=", &nextopt)) {
2091 vnc_display = nextopt;
2095 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2099 fprintf(stderr, "VNC support is disabled\n");
2102 } else if (strstart(p, "curses", &opts)) {
2103 #ifdef CONFIG_CURSES
2104 display = DT_CURSES;
2106 fprintf(stderr, "Curses support is disabled\n");
2109 } else if (strstart(p, "gtk", &opts)) {
2113 const char *nextopt;
2115 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2117 if (strstart(opts, "on", &nextopt)) {
2118 grab_on_hover = true;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 grab_on_hover = false;
2122 goto invalid_gtk_args;
2126 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2132 fprintf(stderr, "GTK support is disabled\n");
2135 } else if (strstart(p, "none", &opts)) {
2138 fprintf(stderr, "Unknown display type: %s\n", p);
2145 static int balloon_parse(const char *arg)
2149 if (strcmp(arg, "none") == 0) {
2153 if (!strncmp(arg, "virtio", 6)) {
2154 if (arg[6] == ',') {
2155 /* have params -> parse them */
2156 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2160 /* create empty opts */
2161 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2164 qemu_opt_set(opts, "driver", "virtio-balloon");
2171 char *qemu_find_file(int type, const char *name)
2177 /* Try the name as a straight path first */
2178 if (access(name, R_OK) == 0) {
2179 trace_load_file(name, name);
2180 return g_strdup(name);
2184 case QEMU_FILE_TYPE_BIOS:
2187 case QEMU_FILE_TYPE_KEYMAP:
2188 subdir = "keymaps/";
2194 for (i = 0; i < data_dir_idx; i++) {
2195 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2196 if (access(buf, R_OK) == 0) {
2197 trace_load_file(name, buf);
2205 static int device_help_func(QemuOpts *opts, void *opaque)
2207 return qdev_device_help(opts);
2210 static int device_init_func(QemuOpts *opts, void *opaque)
2214 dev = qdev_device_add(opts);
2217 object_unref(OBJECT(dev));
2221 static int chardev_init_func(QemuOpts *opts, void *opaque)
2223 Error *local_err = NULL;
2225 qemu_chr_new_from_opts(opts, NULL, &local_err);
2227 error_report("%s", error_get_pretty(local_err));
2228 error_free(local_err);
2234 #ifdef CONFIG_VIRTFS
2235 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2238 ret = qemu_fsdev_add(opts);
2244 static int mon_init_func(QemuOpts *opts, void *opaque)
2246 CharDriverState *chr;
2247 const char *chardev;
2251 mode = qemu_opt_get(opts, "mode");
2255 if (strcmp(mode, "readline") == 0) {
2256 flags = MONITOR_USE_READLINE;
2257 } else if (strcmp(mode, "control") == 0) {
2258 flags = MONITOR_USE_CONTROL;
2260 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2264 if (qemu_opt_get_bool(opts, "pretty", 0))
2265 flags |= MONITOR_USE_PRETTY;
2267 if (qemu_opt_get_bool(opts, "default", 0))
2268 flags |= MONITOR_IS_DEFAULT;
2270 chardev = qemu_opt_get(opts, "chardev");
2271 chr = qemu_chr_find(chardev);
2273 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2277 qemu_chr_fe_claim_no_fail(chr);
2278 monitor_init(chr, flags);
2282 static void monitor_parse(const char *optarg, const char *mode)
2284 static int monitor_device_index = 0;
2290 if (strstart(optarg, "chardev:", &p)) {
2291 snprintf(label, sizeof(label), "%s", p);
2293 snprintf(label, sizeof(label), "compat_monitor%d",
2294 monitor_device_index);
2295 if (monitor_device_index == 0) {
2298 opts = qemu_chr_parse_compat(label, optarg);
2300 fprintf(stderr, "parse error: %s\n", optarg);
2305 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2307 fprintf(stderr, "duplicate chardev: %s\n", label);
2310 qemu_opt_set(opts, "mode", mode);
2311 qemu_opt_set(opts, "chardev", label);
2313 qemu_opt_set(opts, "default", "on");
2314 monitor_device_index++;
2317 struct device_config {
2319 DEV_USB, /* -usbdevice */
2321 DEV_SERIAL, /* -serial */
2322 DEV_PARALLEL, /* -parallel */
2323 DEV_VIRTCON, /* -virtioconsole */
2324 DEV_DEBUGCON, /* -debugcon */
2325 DEV_GDB, /* -gdb, -s */
2326 DEV_SCLP, /* s390 sclp */
2328 const char *cmdline;
2330 QTAILQ_ENTRY(device_config) next;
2333 static QTAILQ_HEAD(, device_config) device_configs =
2334 QTAILQ_HEAD_INITIALIZER(device_configs);
2336 static void add_device_config(int type, const char *cmdline)
2338 struct device_config *conf;
2340 conf = g_malloc0(sizeof(*conf));
2342 conf->cmdline = cmdline;
2343 loc_save(&conf->loc);
2344 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2347 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2349 struct device_config *conf;
2352 QTAILQ_FOREACH(conf, &device_configs, next) {
2353 if (conf->type != type)
2355 loc_push_restore(&conf->loc);
2356 rc = func(conf->cmdline);
2357 loc_pop(&conf->loc);
2365 static int serial_parse(const char *devname)
2367 static int index = 0;
2370 if (strcmp(devname, "none") == 0)
2372 if (index == MAX_SERIAL_PORTS) {
2373 fprintf(stderr, "qemu: too many serial ports\n");
2376 snprintf(label, sizeof(label), "serial%d", index);
2377 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2378 if (!serial_hds[index]) {
2379 fprintf(stderr, "qemu: could not connect serial device"
2380 " to character backend '%s'\n", devname);
2387 static int parallel_parse(const char *devname)
2389 static int index = 0;
2392 if (strcmp(devname, "none") == 0)
2394 if (index == MAX_PARALLEL_PORTS) {
2395 fprintf(stderr, "qemu: too many parallel ports\n");
2398 snprintf(label, sizeof(label), "parallel%d", index);
2399 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2400 if (!parallel_hds[index]) {
2401 fprintf(stderr, "qemu: could not connect parallel device"
2402 " to character backend '%s'\n", devname);
2409 static int virtcon_parse(const char *devname)
2411 QemuOptsList *device = qemu_find_opts("device");
2412 static int index = 0;
2414 QemuOpts *bus_opts, *dev_opts;
2416 if (strcmp(devname, "none") == 0)
2418 if (index == MAX_VIRTIO_CONSOLES) {
2419 fprintf(stderr, "qemu: too many virtio consoles\n");
2423 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2424 if (arch_type == QEMU_ARCH_S390X) {
2425 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2427 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2430 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2431 qemu_opt_set(dev_opts, "driver", "virtconsole");
2433 snprintf(label, sizeof(label), "virtcon%d", index);
2434 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2435 if (!virtcon_hds[index]) {
2436 fprintf(stderr, "qemu: could not connect virtio console"
2437 " to character backend '%s'\n", devname);
2440 qemu_opt_set(dev_opts, "chardev", label);
2446 static int sclp_parse(const char *devname)
2448 QemuOptsList *device = qemu_find_opts("device");
2449 static int index = 0;
2453 if (strcmp(devname, "none") == 0) {
2456 if (index == MAX_SCLP_CONSOLES) {
2457 fprintf(stderr, "qemu: too many sclp consoles\n");
2461 assert(arch_type == QEMU_ARCH_S390X);
2463 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2464 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2466 snprintf(label, sizeof(label), "sclpcon%d", index);
2467 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2468 if (!sclp_hds[index]) {
2469 fprintf(stderr, "qemu: could not connect sclp console"
2470 " to character backend '%s'\n", devname);
2473 qemu_opt_set(dev_opts, "chardev", label);
2479 static int debugcon_parse(const char *devname)
2483 if (!qemu_chr_new("debugcon", devname, NULL)) {
2486 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2488 fprintf(stderr, "qemu: already have a debugcon device\n");
2491 qemu_opt_set(opts, "driver", "isa-debugcon");
2492 qemu_opt_set(opts, "chardev", "debugcon");
2496 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2498 const MachineClass *mc1 = a, *mc2 = b;
2501 if (mc1->family == NULL) {
2502 if (mc2->family == NULL) {
2503 /* Compare standalone machine types against each other; they sort
2504 * in increasing order.
2506 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2507 object_class_get_name(OBJECT_CLASS(mc2)));
2510 /* Standalone machine types sort after families. */
2514 if (mc2->family == NULL) {
2515 /* Families sort before standalone machine types. */
2519 /* Families sort between each other alphabetically increasingly. */
2520 res = strcmp(mc1->family, mc2->family);
2525 /* Within the same family, machine types sort in decreasing order. */
2526 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2527 object_class_get_name(OBJECT_CLASS(mc1)));
2530 static MachineClass *machine_parse(const char *name)
2532 MachineClass *mc = NULL;
2533 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2536 mc = find_machine(name);
2541 if (name && !is_help_option(name)) {
2542 error_report("Unsupported machine type");
2543 error_printf("Use -machine help to list supported machines!\n");
2545 printf("Supported machines are:\n");
2546 machines = g_slist_sort(machines, machine_class_cmp);
2547 for (el = machines; el; el = el->next) {
2548 MachineClass *mc = el->data;
2550 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2552 printf("%-20s %s%s\n", mc->name, mc->desc,
2553 mc->is_default ? " (default)" : "");
2557 g_slist_free(machines);
2558 exit(!name || !is_help_option(name));
2561 void qemu_add_exit_notifier(Notifier *notify)
2563 notifier_list_add(&exit_notifiers, notify);
2566 void qemu_remove_exit_notifier(Notifier *notify)
2568 notifier_remove(notify);
2571 static void qemu_run_exit_notifiers(void)
2573 notifier_list_notify(&exit_notifiers, NULL);
2576 void qemu_add_machine_init_done_notifier(Notifier *notify)
2578 notifier_list_add(&machine_init_done_notifiers, notify);
2581 static void qemu_run_machine_init_done_notifiers(void)
2583 notifier_list_notify(&machine_init_done_notifiers, NULL);
2586 static const QEMUOption *lookup_opt(int argc, char **argv,
2587 const char **poptarg, int *poptind)
2589 const QEMUOption *popt;
2590 int optind = *poptind;
2591 char *r = argv[optind];
2594 loc_set_cmdline(argv, optind, 1);
2596 /* Treat --foo the same as -foo. */
2599 popt = qemu_options;
2602 error_report("invalid option");
2605 if (!strcmp(popt->name, r + 1))
2609 if (popt->flags & HAS_ARG) {
2610 if (optind >= argc) {
2611 error_report("requires an argument");
2614 optarg = argv[optind++];
2615 loc_set_cmdline(argv, optind - 2, 2);
2626 static gpointer malloc_and_trace(gsize n_bytes)
2628 void *ptr = malloc(n_bytes);
2629 trace_g_malloc(n_bytes, ptr);
2633 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2635 void *ptr = realloc(mem, n_bytes);
2636 trace_g_realloc(mem, n_bytes, ptr);
2640 static void free_and_trace(gpointer mem)
2646 static int machine_set_property(const char *name, const char *value,
2649 Object *obj = OBJECT(opaque);
2650 StringInputVisitor *siv;
2651 Error *local_err = NULL;
2654 if (strcmp(name, "type") == 0) {
2658 qom_name = g_strdup(name);
2666 siv = string_input_visitor_new(value);
2667 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2668 string_input_visitor_cleanup(siv);
2672 qerror_report_err(local_err);
2673 error_free(local_err);
2680 static int object_create(QemuOpts *opts, void *opaque)
2689 ov = opts_visitor_new(opts);
2690 pdict = qemu_opts_to_qdict(opts, NULL);
2692 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2697 qdict_del(pdict, "qom-type");
2698 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2703 qdict_del(pdict, "id");
2704 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2709 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2713 visit_end_struct(opts_get_visitor(ov), &err);
2715 qmp_object_del(id, NULL);
2719 opts_visitor_cleanup(ov);
2726 qerror_report_err(err);
2733 int main(int argc, char **argv, char **envp)
2736 int snapshot, linux_boot;
2737 const char *initrd_filename;
2738 const char *kernel_filename, *kernel_cmdline;
2739 const char *boot_order;
2741 int cyls, heads, secs, translation;
2742 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2743 QemuOptsList *olist;
2746 const char *loadvm = NULL;
2747 MachineClass *machine_class;
2748 const char *cpu_model;
2749 const char *vga_model = NULL;
2750 const char *qtest_chrdev = NULL;
2751 const char *qtest_log = NULL;
2752 const char *pid_file = NULL;
2753 const char *incoming = NULL;
2755 int show_vnc_port = 0;
2757 bool defconfig = true;
2758 bool userconfig = true;
2759 const char *log_mask = NULL;
2760 const char *log_file = NULL;
2761 GMemVTable mem_trace = {
2762 .malloc = malloc_and_trace,
2763 .realloc = realloc_and_trace,
2764 .free = free_and_trace,
2766 const char *trace_events = NULL;
2767 const char *trace_file = NULL;
2768 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2770 ram_addr_t maxram_size = default_ram_size;
2771 uint64_t ram_slots = 0;
2772 FILE *vmstate_dump_file = NULL;
2773 Error *main_loop_err = NULL;
2775 atexit(qemu_run_exit_notifiers);
2776 error_set_progname(argv[0]);
2777 qemu_init_exec_dir(argv[0]);
2779 g_mem_set_vtable(&mem_trace);
2781 module_call_init(MODULE_INIT_QOM);
2783 qemu_add_opts(&qemu_drive_opts);
2784 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2785 qemu_add_drive_opts(&qemu_common_drive_opts);
2786 qemu_add_drive_opts(&qemu_drive_opts);
2787 qemu_add_opts(&qemu_chardev_opts);
2788 qemu_add_opts(&qemu_device_opts);
2789 qemu_add_opts(&qemu_netdev_opts);
2790 qemu_add_opts(&qemu_net_opts);
2791 qemu_add_opts(&qemu_rtc_opts);
2792 qemu_add_opts(&qemu_global_opts);
2793 qemu_add_opts(&qemu_mon_opts);
2794 qemu_add_opts(&qemu_trace_opts);
2795 qemu_add_opts(&qemu_option_rom_opts);
2796 qemu_add_opts(&qemu_machine_opts);
2797 qemu_add_opts(&qemu_mem_opts);
2798 qemu_add_opts(&qemu_smp_opts);
2799 qemu_add_opts(&qemu_boot_opts);
2800 qemu_add_opts(&qemu_sandbox_opts);
2801 qemu_add_opts(&qemu_add_fd_opts);
2802 qemu_add_opts(&qemu_object_opts);
2803 qemu_add_opts(&qemu_tpmdev_opts);
2804 qemu_add_opts(&qemu_realtime_opts);
2805 qemu_add_opts(&qemu_msg_opts);
2806 qemu_add_opts(&qemu_name_opts);
2807 qemu_add_opts(&qemu_numa_opts);
2808 qemu_add_opts(&qemu_icount_opts);
2812 rtc_clock = QEMU_CLOCK_HOST;
2814 QLIST_INIT (&vm_change_state_head);
2815 os_setup_early_signal_handling();
2817 module_call_init(MODULE_INIT_MACHINE);
2818 machine_class = find_default_machine();
2820 ram_size = default_ram_size;
2822 cyls = heads = secs = 0;
2823 translation = BIOS_ATA_TRANSLATION_AUTO;
2825 for (i = 0; i < MAX_NODES; i++) {
2826 numa_info[i].node_mem = 0;
2827 numa_info[i].present = false;
2828 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2832 max_numa_nodeid = 0;
2835 bdrv_init_with_whitelist();
2839 /* first pass of option parsing */
2841 while (optind < argc) {
2842 if (argv[optind][0] != '-') {
2846 const QEMUOption *popt;
2848 popt = lookup_opt(argc, argv, &optarg, &optind);
2849 switch (popt->index) {
2850 case QEMU_OPTION_nodefconfig:
2853 case QEMU_OPTION_nouserconfig:
2862 ret = qemu_read_default_config_files(userconfig);
2868 /* second pass of option parsing */
2873 if (argv[optind][0] != '-') {
2874 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2876 const QEMUOption *popt;
2878 popt = lookup_opt(argc, argv, &optarg, &optind);
2879 if (!(popt->arch_mask & arch_type)) {
2880 printf("Option %s not supported for this target\n", popt->name);
2883 switch(popt->index) {
2885 machine_class = machine_parse(optarg);
2887 case QEMU_OPTION_no_kvm_irqchip: {
2888 olist = qemu_find_opts("machine");
2889 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2892 case QEMU_OPTION_cpu:
2893 /* hw initialization will check this */
2896 case QEMU_OPTION_hda:
2900 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2902 snprintf(buf, sizeof(buf),
2903 "%s,cyls=%d,heads=%d,secs=%d%s",
2904 HD_OPTS , cyls, heads, secs,
2905 translation == BIOS_ATA_TRANSLATION_LBA ?
2907 translation == BIOS_ATA_TRANSLATION_NONE ?
2908 ",trans=none" : "");
2909 drive_add(IF_DEFAULT, 0, optarg, buf);
2912 case QEMU_OPTION_hdb:
2913 case QEMU_OPTION_hdc:
2914 case QEMU_OPTION_hdd:
2915 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2918 case QEMU_OPTION_drive:
2919 if (drive_def(optarg) == NULL) {
2923 case QEMU_OPTION_set:
2924 if (qemu_set_option(optarg) != 0)
2927 case QEMU_OPTION_global:
2928 if (qemu_global_option(optarg) != 0)
2931 case QEMU_OPTION_mtdblock:
2932 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2934 case QEMU_OPTION_sd:
2935 drive_add(IF_SD, -1, optarg, SD_OPTS);
2937 case QEMU_OPTION_pflash:
2938 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2940 case QEMU_OPTION_snapshot:
2943 case QEMU_OPTION_hdachs:
2947 cyls = strtol(p, (char **)&p, 0);
2948 if (cyls < 1 || cyls > 16383)
2953 heads = strtol(p, (char **)&p, 0);
2954 if (heads < 1 || heads > 16)
2959 secs = strtol(p, (char **)&p, 0);
2960 if (secs < 1 || secs > 63)
2964 if (!strcmp(p, "large")) {
2965 translation = BIOS_ATA_TRANSLATION_LARGE;
2966 } else if (!strcmp(p, "rechs")) {
2967 translation = BIOS_ATA_TRANSLATION_RECHS;
2968 } else if (!strcmp(p, "none")) {
2969 translation = BIOS_ATA_TRANSLATION_NONE;
2970 } else if (!strcmp(p, "lba")) {
2971 translation = BIOS_ATA_TRANSLATION_LBA;
2972 } else if (!strcmp(p, "auto")) {
2973 translation = BIOS_ATA_TRANSLATION_AUTO;
2977 } else if (*p != '\0') {
2979 fprintf(stderr, "qemu: invalid physical CHS format\n");
2982 if (hda_opts != NULL) {
2984 snprintf(num, sizeof(num), "%d", cyls);
2985 qemu_opt_set(hda_opts, "cyls", num);
2986 snprintf(num, sizeof(num), "%d", heads);
2987 qemu_opt_set(hda_opts, "heads", num);
2988 snprintf(num, sizeof(num), "%d", secs);
2989 qemu_opt_set(hda_opts, "secs", num);
2990 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2991 qemu_opt_set(hda_opts, "trans", "large");
2992 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2993 qemu_opt_set(hda_opts, "trans", "rechs");
2994 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2995 qemu_opt_set(hda_opts, "trans", "lba");
2996 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2997 qemu_opt_set(hda_opts, "trans", "none");
3002 case QEMU_OPTION_numa:
3003 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3008 case QEMU_OPTION_display:
3009 display_type = select_display(optarg);
3011 case QEMU_OPTION_nographic:
3012 display_type = DT_NOGRAPHIC;
3014 case QEMU_OPTION_curses:
3015 #ifdef CONFIG_CURSES
3016 display_type = DT_CURSES;
3018 fprintf(stderr, "Curses support is disabled\n");
3022 case QEMU_OPTION_portrait:
3023 graphic_rotate = 90;
3025 case QEMU_OPTION_rotate:
3026 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3027 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3028 graphic_rotate != 180 && graphic_rotate != 270) {
3030 "qemu: only 90, 180, 270 deg rotation is available\n");
3034 case QEMU_OPTION_kernel:
3035 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3037 case QEMU_OPTION_initrd:
3038 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3040 case QEMU_OPTION_append:
3041 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3043 case QEMU_OPTION_dtb:
3044 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3046 case QEMU_OPTION_cdrom:
3047 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3049 case QEMU_OPTION_boot:
3050 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3055 case QEMU_OPTION_fda:
3056 case QEMU_OPTION_fdb:
3057 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3060 case QEMU_OPTION_no_fd_bootchk:
3063 case QEMU_OPTION_netdev:
3064 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3068 case QEMU_OPTION_net:
3069 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3073 #ifdef CONFIG_LIBISCSI
3074 case QEMU_OPTION_iscsi:
3075 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3082 case QEMU_OPTION_tftp:
3083 legacy_tftp_prefix = optarg;
3085 case QEMU_OPTION_bootp:
3086 legacy_bootp_filename = optarg;
3088 case QEMU_OPTION_redir:
3089 if (net_slirp_redir(optarg) < 0)
3093 case QEMU_OPTION_bt:
3094 add_device_config(DEV_BT, optarg);
3096 case QEMU_OPTION_audio_help:
3100 case QEMU_OPTION_soundhw:
3101 select_soundhw (optarg);
3106 case QEMU_OPTION_version:
3110 case QEMU_OPTION_m: {
3112 const char *mem_str;
3113 const char *maxmem_str, *slots_str;
3115 opts = qemu_opts_parse(qemu_find_opts("memory"),
3121 mem_str = qemu_opt_get(opts, "size");
3123 error_report("invalid -m option, missing 'size' option");
3127 error_report("missing 'size' option value");
3131 sz = qemu_opt_get_size(opts, "size", ram_size);
3133 /* Fix up legacy suffix-less format */
3134 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3135 uint64_t overflow_check = sz;
3138 if ((sz >> 20) != overflow_check) {
3139 error_report("too large 'size' option value");
3144 /* backward compatibility behaviour for case "-m 0" */
3146 sz = default_ram_size;
3149 sz = QEMU_ALIGN_UP(sz, 8192);
3151 if (ram_size != sz) {
3152 error_report("ram size too large");
3155 maxram_size = ram_size;
3157 maxmem_str = qemu_opt_get(opts, "maxmem");
3158 slots_str = qemu_opt_get(opts, "slots");
3159 if (maxmem_str && slots_str) {
3162 sz = qemu_opt_get_size(opts, "maxmem", 0);
3163 if (sz < ram_size) {
3164 error_report("invalid -m option value: maxmem "
3165 "(0x%" PRIx64 ") <= initial memory (0x"
3166 RAM_ADDR_FMT ")", sz, ram_size);
3170 slots = qemu_opt_get_number(opts, "slots", 0);
3171 if ((sz > ram_size) && !slots) {
3172 error_report("invalid -m option value: maxmem "
3173 "(0x%" PRIx64 ") more than initial memory (0x"
3174 RAM_ADDR_FMT ") but no hotplug slots where "
3175 "specified", sz, ram_size);
3179 if ((sz <= ram_size) && slots) {
3180 error_report("invalid -m option value: %"
3181 PRIu64 " hotplug slots where specified but "
3182 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3183 RAM_ADDR_FMT ")", slots, sz, ram_size);
3188 } else if ((!maxmem_str && slots_str) ||
3189 (maxmem_str && !slots_str)) {
3190 error_report("invalid -m option value: missing "
3191 "'%s' option", slots_str ? "maxmem" : "slots");
3197 case QEMU_OPTION_tpmdev:
3198 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3203 case QEMU_OPTION_mempath:
3206 case QEMU_OPTION_mem_prealloc:
3216 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3218 case QEMU_OPTION_gdb:
3219 add_device_config(DEV_GDB, optarg);
3222 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3223 data_dir[data_dir_idx++] = optarg;
3226 case QEMU_OPTION_bios:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3229 case QEMU_OPTION_singlestep:
3236 keyboard_layout = optarg;
3238 case QEMU_OPTION_localtime:
3241 case QEMU_OPTION_vga:
3250 w = strtol(p, (char **)&p, 10);
3253 fprintf(stderr, "qemu: invalid resolution or depth\n");
3259 h = strtol(p, (char **)&p, 10);
3264 depth = strtol(p, (char **)&p, 10);
3265 if (depth != 8 && depth != 15 && depth != 16 &&
3266 depth != 24 && depth != 32)
3268 } else if (*p == '\0') {
3269 depth = graphic_depth;
3276 graphic_depth = depth;
3279 case QEMU_OPTION_echr:
3282 term_escape_char = strtol(optarg, &r, 0);
3284 printf("Bad argument to echr\n");
3287 case QEMU_OPTION_monitor:
3288 default_monitor = 0;
3289 if (strncmp(optarg, "none", 4)) {
3290 monitor_parse(optarg, "readline");
3293 case QEMU_OPTION_qmp:
3294 monitor_parse(optarg, "control");
3295 default_monitor = 0;
3297 case QEMU_OPTION_mon:
3298 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3302 default_monitor = 0;
3304 case QEMU_OPTION_chardev:
3305 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3310 case QEMU_OPTION_fsdev:
3311 olist = qemu_find_opts("fsdev");
3313 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3316 opts = qemu_opts_parse(olist, optarg, 1);
3321 case QEMU_OPTION_virtfs: {
3324 const char *writeout, *sock_fd, *socket;
3326 olist = qemu_find_opts("virtfs");
3328 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3331 opts = qemu_opts_parse(olist, optarg, 1);
3336 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3337 qemu_opt_get(opts, "mount_tag") == NULL) {
3338 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3341 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3342 qemu_opt_get(opts, "mount_tag"),
3345 fprintf(stderr, "duplicate fsdev id: %s\n",
3346 qemu_opt_get(opts, "mount_tag"));
3350 writeout = qemu_opt_get(opts, "writeout");
3352 #ifdef CONFIG_SYNC_FILE_RANGE
3353 qemu_opt_set(fsdev, "writeout", writeout);
3355 fprintf(stderr, "writeout=immediate not supported on "
3360 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3361 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3362 qemu_opt_set(fsdev, "security_model",
3363 qemu_opt_get(opts, "security_model"));
3364 socket = qemu_opt_get(opts, "socket");
3366 qemu_opt_set(fsdev, "socket", socket);
3368 sock_fd = qemu_opt_get(opts, "sock_fd");
3370 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3373 qemu_opt_set_bool(fsdev, "readonly",
3374 qemu_opt_get_bool(opts, "readonly", 0));
3375 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3377 qemu_opt_set(device, "driver", "virtio-9p-pci");
3378 qemu_opt_set(device, "fsdev",
3379 qemu_opt_get(opts, "mount_tag"));
3380 qemu_opt_set(device, "mount_tag",
3381 qemu_opt_get(opts, "mount_tag"));
3384 case QEMU_OPTION_virtfs_synth: {
3388 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3391 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3394 qemu_opt_set(fsdev, "fsdriver", "synth");
3396 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3398 qemu_opt_set(device, "driver", "virtio-9p-pci");
3399 qemu_opt_set(device, "fsdev", "v_synth");
3400 qemu_opt_set(device, "mount_tag", "v_synth");
3403 case QEMU_OPTION_serial:
3404 add_device_config(DEV_SERIAL, optarg);
3406 if (strncmp(optarg, "mon:", 4) == 0) {
3407 default_monitor = 0;
3410 case QEMU_OPTION_watchdog:
3413 "qemu: only one watchdog option may be given\n");
3418 case QEMU_OPTION_watchdog_action:
3419 if (select_watchdog_action(optarg) == -1) {
3420 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3424 case QEMU_OPTION_virtiocon:
3425 add_device_config(DEV_VIRTCON, optarg);
3426 default_virtcon = 0;
3427 if (strncmp(optarg, "mon:", 4) == 0) {
3428 default_monitor = 0;
3431 case QEMU_OPTION_parallel:
3432 add_device_config(DEV_PARALLEL, optarg);
3433 default_parallel = 0;
3434 if (strncmp(optarg, "mon:", 4) == 0) {
3435 default_monitor = 0;
3438 case QEMU_OPTION_debugcon:
3439 add_device_config(DEV_DEBUGCON, optarg);
3441 case QEMU_OPTION_loadvm:
3444 case QEMU_OPTION_full_screen:
3447 case QEMU_OPTION_no_frame:
3450 case QEMU_OPTION_alt_grab:
3453 case QEMU_OPTION_ctrl_grab:
3456 case QEMU_OPTION_no_quit:
3459 case QEMU_OPTION_sdl:
3461 display_type = DT_SDL;
3464 fprintf(stderr, "SDL support is disabled\n");
3467 case QEMU_OPTION_pidfile:
3470 case QEMU_OPTION_win2k_hack:
3471 win2k_install_hack = 1;
3473 case QEMU_OPTION_rtc_td_hack: {
3474 static GlobalProperty slew_lost_ticks[] = {
3476 .driver = "mc146818rtc",
3477 .property = "lost_tick_policy",
3480 { /* end of list */ }
3483 qdev_prop_register_global_list(slew_lost_ticks);
3486 case QEMU_OPTION_acpitable:
3487 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3491 do_acpitable_option(opts);
3493 case QEMU_OPTION_smbios:
3494 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3498 do_smbios_option(opts);
3500 case QEMU_OPTION_enable_kvm:
3501 olist = qemu_find_opts("machine");
3502 qemu_opts_parse(olist, "accel=kvm", 0);
3504 case QEMU_OPTION_machine:
3505 olist = qemu_find_opts("machine");
3506 opts = qemu_opts_parse(olist, optarg, 1);
3510 optarg = qemu_opt_get(opts, "type");
3512 machine_class = machine_parse(optarg);
3515 case QEMU_OPTION_no_kvm:
3516 olist = qemu_find_opts("machine");
3517 qemu_opts_parse(olist, "accel=tcg", 0);
3519 case QEMU_OPTION_no_kvm_pit: {
3520 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3524 case QEMU_OPTION_no_kvm_pit_reinjection: {
3525 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3527 .driver = "kvm-pit",
3528 .property = "lost_tick_policy",
3531 { /* end of list */ }
3534 fprintf(stderr, "Warning: option deprecated, use "
3535 "lost_tick_policy property of kvm-pit instead.\n");
3536 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3539 case QEMU_OPTION_usb:
3540 olist = qemu_find_opts("machine");
3541 qemu_opts_parse(olist, "usb=on", 0);
3543 case QEMU_OPTION_usbdevice:
3544 olist = qemu_find_opts("machine");
3545 qemu_opts_parse(olist, "usb=on", 0);
3546 add_device_config(DEV_USB, optarg);
3548 case QEMU_OPTION_device:
3549 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3553 case QEMU_OPTION_smp:
3554 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3558 case QEMU_OPTION_vnc:
3561 vnc_display = optarg;
3563 fprintf(stderr, "VNC support is disabled\n");
3567 case QEMU_OPTION_no_acpi:
3570 case QEMU_OPTION_no_hpet:
3573 case QEMU_OPTION_balloon:
3574 if (balloon_parse(optarg) < 0) {
3575 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3579 case QEMU_OPTION_no_reboot:
3582 case QEMU_OPTION_no_shutdown:
3585 case QEMU_OPTION_show_cursor:
3588 case QEMU_OPTION_uuid:
3589 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3590 fprintf(stderr, "Fail to parse UUID string."
3591 " Wrong format.\n");
3594 qemu_uuid_set = true;
3596 case QEMU_OPTION_option_rom:
3597 if (nb_option_roms >= MAX_OPTION_ROMS) {
3598 fprintf(stderr, "Too many option ROMs\n");
3601 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3605 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3606 option_rom[nb_option_roms].bootindex =
3607 qemu_opt_get_number(opts, "bootindex", -1);
3608 if (!option_rom[nb_option_roms].name) {
3609 fprintf(stderr, "Option ROM file is not specified\n");
3614 case QEMU_OPTION_semihosting:
3615 semihosting_enabled = 1;
3617 case QEMU_OPTION_tdf:
3618 fprintf(stderr, "Warning: user space PIT time drift fix "
3619 "is no longer supported.\n");
3621 case QEMU_OPTION_name:
3622 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3627 case QEMU_OPTION_prom_env:
3628 if (nb_prom_envs >= MAX_PROM_ENVS) {
3629 fprintf(stderr, "Too many prom variables\n");
3632 prom_envs[nb_prom_envs] = optarg;
3635 case QEMU_OPTION_old_param:
3638 case QEMU_OPTION_clock:
3639 /* Clock options no longer exist. Keep this option for
3640 * backward compatibility.
3643 case QEMU_OPTION_startdate:
3644 configure_rtc_date_offset(optarg, 1);
3646 case QEMU_OPTION_rtc:
3647 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3651 configure_rtc(opts);
3653 case QEMU_OPTION_tb_size:
3654 tcg_tb_size = strtol(optarg, NULL, 0);
3655 if (tcg_tb_size < 0) {
3659 case QEMU_OPTION_icount:
3660 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3666 case QEMU_OPTION_incoming:
3668 runstate_set(RUN_STATE_INMIGRATE);
3670 case QEMU_OPTION_nodefaults:
3673 case QEMU_OPTION_xen_domid:
3674 if (!(xen_available())) {
3675 printf("Option %s not supported for this target\n", popt->name);
3678 xen_domid = atoi(optarg);
3680 case QEMU_OPTION_xen_create:
3681 if (!(xen_available())) {
3682 printf("Option %s not supported for this target\n", popt->name);
3685 xen_mode = XEN_CREATE;
3687 case QEMU_OPTION_xen_attach:
3688 if (!(xen_available())) {
3689 printf("Option %s not supported for this target\n", popt->name);
3692 xen_mode = XEN_ATTACH;
3694 case QEMU_OPTION_trace:
3696 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3700 trace_events = qemu_opt_get(opts, "events");
3701 trace_file = qemu_opt_get(opts, "file");
3704 case QEMU_OPTION_readconfig:
3706 int ret = qemu_read_config_file(optarg);
3708 fprintf(stderr, "read config %s: %s\n", optarg,
3714 case QEMU_OPTION_spice:
3715 olist = qemu_find_opts("spice");
3717 fprintf(stderr, "spice is not supported by this qemu build.\n");
3720 opts = qemu_opts_parse(olist, optarg, 0);
3726 case QEMU_OPTION_writeconfig:
3729 if (strcmp(optarg, "-") == 0) {
3732 fp = fopen(optarg, "w");
3734 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3738 qemu_config_write(fp);
3744 case QEMU_OPTION_qtest:
3745 qtest_chrdev = optarg;
3747 case QEMU_OPTION_qtest_log:
3750 case QEMU_OPTION_sandbox:
3751 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3756 case QEMU_OPTION_add_fd:
3758 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3763 error_report("File descriptor passing is disabled on this "
3768 case QEMU_OPTION_object:
3769 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3774 case QEMU_OPTION_realtime:
3775 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3779 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3781 case QEMU_OPTION_msg:
3782 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3786 configure_msg(opts);
3788 case QEMU_OPTION_dump_vmstate:
3789 vmstate_dump_file = fopen(optarg, "w");
3790 if (vmstate_dump_file == NULL) {
3791 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3796 os_parse_cmd_args(popt->index, optarg);
3804 if (qemu_init_main_loop(&main_loop_err)) {
3805 error_report("%s", error_get_pretty(main_loop_err));
3809 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3813 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3818 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3822 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3827 if (machine_class == NULL) {
3828 fprintf(stderr, "No machine specified, and there is no default.\n"
3829 "Use -machine help to list supported machines!\n");
3833 current_machine = MACHINE(object_new(object_class_get_name(
3834 OBJECT_CLASS(machine_class))));
3835 object_property_add_child(object_get_root(), "machine",
3836 OBJECT(current_machine), &error_abort);
3837 cpu_exec_init_all();
3839 if (machine_class->hw_version) {
3840 qemu_set_version(machine_class->hw_version);
3843 /* Init CPU def lists, based on config
3844 * - Must be called after all the qemu_read_config_file() calls
3845 * - Must be called before list_cpus()
3846 * - Must be called before machine->init()
3850 if (cpu_model && is_help_option(cpu_model)) {
3851 list_cpus(stdout, &fprintf, cpu_model);
3855 /* Open the logfile at this point, if necessary. We can't open the logfile
3856 * when encountering either of the logging options (-d or -D) because the
3857 * other one may be encountered later on the command line, changing the
3858 * location or level of logging.
3863 qemu_set_log_filename(log_file);
3866 mask = qemu_str_to_log_mask(log_mask);
3868 qemu_print_log_usage(stdout);
3874 if (!is_daemonized()) {
3875 if (!trace_init_backends(trace_events, trace_file)) {
3880 /* If no data_dir is specified then try to find it relative to the
3882 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3883 data_dir[data_dir_idx] = os_find_datadir();
3884 if (data_dir[data_dir_idx] != NULL) {
3888 /* If all else fails use the install path specified when building. */
3889 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3890 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3893 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3895 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3896 if (smp_cpus > machine_class->max_cpus) {
3897 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3898 "supported by machine `%s' (%d)\n", smp_cpus,
3899 machine_class->name, machine_class->max_cpus);
3904 * Get the default machine options from the machine if it is not already
3905 * specified either by the configuration file or by the command line.
3907 if (machine_class->default_machine_opts) {
3908 qemu_opts_set_defaults(qemu_find_opts("machine"),
3909 machine_class->default_machine_opts, 0);
3912 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3913 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3915 if (!vga_model && !default_vga) {
3916 vga_interface_type = VGA_DEVICE;
3918 if (!has_defaults || machine_class->no_serial) {
3921 if (!has_defaults || machine_class->no_parallel) {
3922 default_parallel = 0;
3924 if (!has_defaults || !machine_class->use_virtcon) {
3925 default_virtcon = 0;
3927 if (!has_defaults || !machine_class->use_sclp) {
3930 if (!has_defaults || machine_class->no_floppy) {
3933 if (!has_defaults || machine_class->no_cdrom) {
3936 if (!has_defaults || machine_class->no_sdcard) {
3939 if (!has_defaults) {
3940 default_monitor = 0;
3945 if (is_daemonized()) {
3946 /* According to documentation and historically, -nographic redirects
3947 * serial port, parallel port and monitor to stdio, which does not work
3948 * with -daemonize. We can redirect these to null instead, but since
3949 * -nographic is legacy, let's just error out.
3950 * We disallow -nographic only if all other ports are not redirected
3951 * explicitly, to not break existing legacy setups which uses
3952 * -nographic _and_ redirects all ports explicitly - this is valid
3953 * usage, -nographic is just a no-op in this case.
3955 if (display_type == DT_NOGRAPHIC
3956 && (default_parallel || default_serial
3957 || default_monitor || default_virtcon)) {
3958 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3961 #ifdef CONFIG_CURSES
3962 if (display_type == DT_CURSES) {
3963 fprintf(stderr, "curses display can not be used with -daemonize\n");
3969 if (display_type == DT_NOGRAPHIC) {
3970 if (default_parallel)
3971 add_device_config(DEV_PARALLEL, "null");
3972 if (default_serial && default_monitor) {
3973 add_device_config(DEV_SERIAL, "mon:stdio");
3974 } else if (default_virtcon && default_monitor) {
3975 add_device_config(DEV_VIRTCON, "mon:stdio");
3976 } else if (default_sclp && default_monitor) {
3977 add_device_config(DEV_SCLP, "mon:stdio");
3980 add_device_config(DEV_SERIAL, "stdio");
3981 if (default_virtcon)
3982 add_device_config(DEV_VIRTCON, "stdio");
3984 add_device_config(DEV_SCLP, "stdio");
3986 if (default_monitor)
3987 monitor_parse("stdio", "readline");
3991 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3992 if (default_parallel)
3993 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3994 if (default_monitor)
3995 monitor_parse("vc:80Cx24C", "readline");
3996 if (default_virtcon)
3997 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3999 add_device_config(DEV_SCLP, "vc:80Cx24C");
4003 if (display_type == DT_DEFAULT && !display_remote) {
4004 #if defined(CONFIG_GTK)
4005 display_type = DT_GTK;
4006 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4007 display_type = DT_SDL;
4008 #elif defined(CONFIG_VNC)
4009 vnc_display = "localhost:0,to=99";
4012 display_type = DT_NONE;
4016 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4017 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4018 "for SDL, ignoring option\n");
4020 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4021 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4022 "ignoring option\n");
4025 #if defined(CONFIG_GTK)
4026 if (display_type == DT_GTK) {
4027 early_gtk_display_init();
4033 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4035 #ifdef CONFIG_VIRTFS
4036 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4041 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4046 /* store value for the future use */
4047 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4049 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4054 if (qemu_opts_foreach(qemu_find_opts("object"),
4055 object_create, NULL, 0) != 0) {
4059 machine_opts = qemu_get_machine_opts();
4060 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4062 object_unref(OBJECT(current_machine));
4066 configure_accelerator(current_machine);
4069 Error *local_err = NULL;
4070 qtest_init(qtest_chrdev, qtest_log, &local_err);
4072 error_report("%s", error_get_pretty(local_err));
4073 error_free(local_err);
4078 machine_opts = qemu_get_machine_opts();
4079 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4080 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4081 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4082 bios_name = qemu_opt_get(machine_opts, "firmware");
4084 boot_order = machine_class->default_boot_order;
4085 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4087 char *normal_boot_order;
4088 const char *order, *once;
4090 order = qemu_opt_get(opts, "order");
4092 validate_bootdevices(order);
4096 once = qemu_opt_get(opts, "once");
4098 validate_bootdevices(once);
4099 normal_boot_order = g_strdup(boot_order);
4101 qemu_register_reset(restore_boot_order, normal_boot_order);
4104 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4105 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4108 if (!kernel_cmdline) {
4109 kernel_cmdline = "";
4110 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4113 linux_boot = (kernel_filename != NULL);
4115 if (!linux_boot && *kernel_cmdline != '\0') {
4116 fprintf(stderr, "-append only allowed with -kernel option\n");
4120 if (!linux_boot && initrd_filename != NULL) {
4121 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4125 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4126 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4130 os_set_line_buffering();
4132 qemu_init_cpu_loop();
4133 qemu_mutex_lock_iothread();
4136 /* spice needs the timers to be initialized by this point */
4142 if (kvm_enabled() || xen_enabled()) {
4143 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4146 configure_icount(icount_opts, &error_abort);
4147 qemu_opts_del(icount_opts);
4150 /* clean up network at qemu process termination */
4151 atexit(&net_cleanup);
4153 if (net_init_clients() < 0) {
4158 if (tpm_init() < 0) {
4163 /* init the bluetooth world */
4164 if (foreach_device_config(DEV_BT, bt_parse))
4167 if (!xen_enabled()) {
4168 /* On 32-bit hosts, QEMU is limited by virtual address space */
4169 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4170 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4178 /* If the currently selected machine wishes to override the units-per-bus
4179 * property of its default HBA interface type, do so now. */
4180 if (machine_class->units_per_default_bus) {
4181 override_max_devs(machine_class->block_default_type,
4182 machine_class->units_per_default_bus);
4185 /* open the virtual block devices */
4187 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4188 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4189 &machine_class->block_default_type, 1) != 0) {
4193 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4195 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4196 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4198 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4205 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4209 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4211 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4213 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4215 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4218 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4221 /* If no default VGA is requested, the default is "none". */
4223 if (cirrus_vga_available()) {
4224 vga_model = "cirrus";
4225 } else if (vga_available()) {
4230 select_vgahw(vga_model);
4234 i = select_watchdog(watchdog);
4236 exit (i == 1 ? 1 : 0);
4239 if (machine_class->compat_props) {
4240 qdev_prop_register_global_list(machine_class->compat_props);
4244 qdev_machine_init();
4246 current_machine->ram_size = ram_size;
4247 current_machine->maxram_size = maxram_size;
4248 current_machine->ram_slots = ram_slots;
4249 current_machine->boot_order = boot_order;
4250 current_machine->cpu_model = cpu_model;
4252 machine_class->init(current_machine);
4258 cpu_synchronize_all_post_init();
4262 /* init USB devices */
4263 if (usb_enabled(false)) {
4264 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4268 /* init generic devices */
4269 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4272 /* Did we create any drives that we failed to create a device for? */
4273 drive_check_orphaned();
4275 net_check_clients();
4277 ds = init_displaystate();
4279 /* init local displays */
4280 switch (display_type) {
4282 (void)ds; /* avoid warning if no display is configured */
4284 #if defined(CONFIG_CURSES)
4286 curses_display_init(ds, full_screen);
4289 #if defined(CONFIG_SDL)
4291 sdl_display_init(ds, full_screen, no_frame);
4293 #elif defined(CONFIG_COCOA)
4295 cocoa_display_init(ds, full_screen);
4298 #if defined(CONFIG_GTK)
4300 gtk_display_init(ds, full_screen, grab_on_hover);
4307 /* must be after terminal init, SDL library changes signal handlers */
4308 os_setup_signal_handling();
4311 /* init remote displays */
4313 Error *local_err = NULL;
4314 vnc_display_init(ds);
4315 vnc_display_open(ds, vnc_display, &local_err);
4316 if (local_err != NULL) {
4317 error_report("Failed to start VNC server on `%s': %s",
4318 vnc_display, error_get_pretty(local_err));
4319 error_free(local_err);
4323 if (show_vnc_port) {
4324 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4330 qemu_spice_display_init();
4334 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4338 qdev_machine_creation_done();
4340 if (rom_load_all() != 0) {
4341 fprintf(stderr, "rom loading failed\n");
4345 /* TODO: once all bus devices are qdevified, this should be done
4346 * when bus is created by qdev.c */
4347 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4348 qemu_run_machine_init_done_notifiers();
4350 /* Done notifiers can load ROMs */
4353 qemu_system_reset(VMRESET_SILENT);
4355 if (load_vmstate(loadvm) < 0) {
4360 qdev_prop_check_globals();
4361 if (vmstate_dump_file) {
4363 dump_vmstate_json_to_file(vmstate_dump_file);
4368 Error *local_err = NULL;
4369 qemu_start_incoming_migration(incoming, &local_err);
4371 error_report("-incoming %s: %s", incoming,
4372 error_get_pretty(local_err));
4373 error_free(local_err);
4376 } else if (autostart) {
4382 if (is_daemonized()) {
4383 if (!trace_init_backends(trace_events, trace_file)) {