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 "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 NICInfo nd_table[MAX_NICS];
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
147 static bool grab_on_hover;
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
160 const char *vnc_display;
162 int acpi_enabled = 1;
165 static int no_reboot;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int semihosting_enabled = 0;
174 const char *qemu_name;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
185 typedef struct FWBootEntry FWBootEntry;
188 QTAILQ_ENTRY(FWBootEntry) link;
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
201 uint8_t qemu_uuid[16];
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213 static bool tcg_allowed = true;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
252 static QemuOptsList qemu_rtc_opts = {
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
258 .type = QEMU_OPT_STRING,
261 .type = QEMU_OPT_STRING,
264 .type = QEMU_OPT_STRING,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts = {
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
277 .type = QEMU_OPT_BOOL,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts = {
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
290 .type = QEMU_OPT_STRING,
293 .type = QEMU_OPT_STRING,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
306 .type = QEMU_OPT_NUMBER,
309 .type = QEMU_OPT_STRING,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts = {
317 .implied_opt_name = "type",
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 { /* End of list */ }
390 static QemuOptsList qemu_boot_opts = {
392 .implied_opt_name = "order",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
398 .type = QEMU_OPT_STRING,
401 .type = QEMU_OPT_STRING,
404 .type = QEMU_OPT_BOOL,
407 .type = QEMU_OPT_STRING,
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
416 .type = QEMU_OPT_BOOL,
422 static QemuOptsList qemu_add_fd_opts = {
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
439 { /* end of list */ }
443 static QemuOptsList qemu_object_opts = {
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
452 static QemuOptsList qemu_tpmdev_opts = {
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
462 static QemuOptsList qemu_realtime_opts = {
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
468 .type = QEMU_OPT_BOOL,
470 { /* end of list */ }
474 static QemuOptsList qemu_msg_opts = {
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
480 .type = QEMU_OPT_BOOL,
482 { /* end of list */ }
486 static QemuOptsList qemu_name_opts = {
488 .implied_opt_name = "guest",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
509 { /* End of list */ }
513 static QemuOptsList qemu_mem_opts = {
515 .implied_opt_name = "size",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
521 .type = QEMU_OPT_SIZE,
523 { /* end of list */ }
528 * Get machine options
530 * Returns: machine options (never null).
532 QemuOpts *qemu_get_machine_opts(void)
534 return qemu_find_opts_singleton("machine");
537 const char *qemu_get_vm_name(void)
542 static void res_free(void)
544 if (boot_splash_filedata != NULL) {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
550 static int default_driver_check(QemuOpts *opts, void *opaque)
552 const char *driver = qemu_opt_get(opts, "driver");
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
560 *(default_list[i].flag) = 0;
565 /***********************************************************/
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
573 } RunStateTransition;
575 static const RunStateTransition runstate_transitions_def[] = {
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
583 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
587 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
590 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
621 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
622 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
623 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
626 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_MAX, RUN_STATE_MAX },
634 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636 bool runstate_check(RunState state)
638 return current_run_state == state;
641 static void runstate_init(void)
643 const RunStateTransition *p;
645 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
647 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
648 runstate_valid_transitions[p->from][p->to] = true;
652 /* This function will abort() on invalid state transitions */
653 void runstate_set(RunState new_state)
655 assert(new_state < RUN_STATE_MAX);
657 if (!runstate_valid_transitions[current_run_state][new_state]) {
658 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
659 RunState_lookup[current_run_state],
660 RunState_lookup[new_state]);
663 trace_runstate_set(new_state);
664 current_run_state = new_state;
667 int runstate_is_running(void)
669 return runstate_check(RUN_STATE_RUNNING);
672 bool runstate_needs_reset(void)
674 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
675 runstate_check(RUN_STATE_SHUTDOWN);
678 StatusInfo *qmp_query_status(Error **errp)
680 StatusInfo *info = g_malloc0(sizeof(*info));
682 info->running = runstate_is_running();
683 info->singlestep = singlestep;
684 info->status = current_run_state;
689 /***********************************************************/
690 /* real time host monotonic timer */
692 /***********************************************************/
693 /* host time/date access */
694 void qemu_get_timedate(struct tm *tm, int offset)
700 if (rtc_date_offset == -1) {
704 localtime_r(&ti, tm);
706 ti -= rtc_date_offset;
711 int qemu_timedate_diff(struct tm *tm)
715 if (rtc_date_offset == -1)
717 seconds = mktimegm(tm);
720 tmp.tm_isdst = -1; /* use timezone to figure it out */
721 seconds = mktime(&tmp);
724 seconds = mktimegm(tm) + rtc_date_offset;
726 return seconds - time(NULL);
729 void rtc_change_mon_event(struct tm *tm)
733 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
734 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
735 qobject_decref(data);
738 static void configure_rtc_date_offset(const char *startdate, int legacy)
740 time_t rtc_start_date;
743 if (!strcmp(startdate, "now") && legacy) {
744 rtc_date_offset = -1;
746 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
754 } else if (sscanf(startdate, "%d-%d-%d",
766 rtc_start_date = mktimegm(&tm);
767 if (rtc_start_date == -1) {
769 fprintf(stderr, "Invalid date format. Valid formats are:\n"
770 "'2006-06-17T16:01:21' or '2006-06-17'\n");
773 rtc_date_offset = time(NULL) - rtc_start_date;
777 static void configure_rtc(QemuOpts *opts)
781 value = qemu_opt_get(opts, "base");
783 if (!strcmp(value, "utc")) {
785 } else if (!strcmp(value, "localtime")) {
788 configure_rtc_date_offset(value, 0);
791 value = qemu_opt_get(opts, "clock");
793 if (!strcmp(value, "host")) {
794 rtc_clock = QEMU_CLOCK_HOST;
795 } else if (!strcmp(value, "rt")) {
796 rtc_clock = QEMU_CLOCK_REALTIME;
797 } else if (!strcmp(value, "vm")) {
798 rtc_clock = QEMU_CLOCK_VIRTUAL;
800 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
804 value = qemu_opt_get(opts, "driftfix");
806 if (!strcmp(value, "slew")) {
807 static GlobalProperty slew_lost_ticks[] = {
809 .driver = "mc146818rtc",
810 .property = "lost_tick_policy",
813 { /* end of list */ }
816 qdev_prop_register_global_list(slew_lost_ticks);
817 } else if (!strcmp(value, "none")) {
818 /* discard is default */
820 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
826 /***********************************************************/
827 /* Bluetooth support */
830 static struct HCIInfo *hci_table[MAX_NICS];
832 struct HCIInfo *qemu_next_hci(void)
834 if (cur_hci == nb_hcis)
837 return hci_table[cur_hci++];
840 static int bt_hci_parse(const char *str)
845 if (nb_hcis >= MAX_NICS) {
846 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
859 bdaddr.b[5] = 0x56 + nb_hcis;
860 hci->bdaddr_set(hci, bdaddr.b);
862 hci_table[nb_hcis++] = hci;
867 static void bt_vhci_add(int vlan_id)
869 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
872 fprintf(stderr, "qemu: warning: adding a VHCI to "
873 "an empty scatternet %i\n", vlan_id);
875 bt_vhci_init(bt_new_hci(vlan));
878 static struct bt_device_s *bt_device_add(const char *opt)
880 struct bt_scatternet_s *vlan;
882 char *endp = strstr(opt, ",vlan=");
883 int len = (endp ? endp - opt : strlen(opt)) + 1;
886 pstrcpy(devname, MIN(sizeof(devname), len), opt);
889 vlan_id = strtol(endp + 6, &endp, 0);
891 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
896 vlan = qemu_find_bt_vlan(vlan_id);
899 fprintf(stderr, "qemu: warning: adding a slave device to "
900 "an empty scatternet %i\n", vlan_id);
902 if (!strcmp(devname, "keyboard"))
903 return bt_keyboard_init(vlan);
905 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
909 static int bt_parse(const char *opt)
911 const char *endp, *p;
914 if (strstart(opt, "hci", &endp)) {
915 if (!*endp || *endp == ',') {
917 if (!strstart(endp, ",vlan=", 0))
920 return bt_hci_parse(opt);
922 } else if (strstart(opt, "vhci", &endp)) {
923 if (!*endp || *endp == ',') {
925 if (strstart(endp, ",vlan=", &p)) {
926 vlan = strtol(p, (char **) &endp, 0);
928 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
932 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
941 } else if (strstart(opt, "device:", &endp))
942 return !bt_device_add(endp);
944 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
948 static int parse_sandbox(QemuOpts *opts, void *opaque)
950 /* FIXME: change this to true for 1.3 */
951 if (qemu_opt_get_bool(opts, "enable", false)) {
952 #ifdef CONFIG_SECCOMP
953 if (seccomp_start() < 0) {
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "failed to install seccomp syscall filter in the kernel");
959 qerror_report(ERROR_CLASS_GENERIC_ERROR,
960 "sandboxing request but seccomp is not compiled into this build");
968 static int parse_name(QemuOpts *opts, void *opaque)
970 const char *proc_name;
972 if (qemu_opt_get(opts, "debug-threads")) {
973 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
975 qemu_name = qemu_opt_get(opts, "guest");
977 proc_name = qemu_opt_get(opts, "process");
979 os_set_proc_name(proc_name);
985 bool usb_enabled(bool default_usb)
987 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
988 has_defaults && default_usb);
992 static int parse_add_fd(QemuOpts *opts, void *opaque)
994 int fd, dupfd, flags;
996 const char *fd_opaque = NULL;
998 fd = qemu_opt_get_number(opts, "fd", -1);
999 fdset_id = qemu_opt_get_number(opts, "set", -1);
1000 fd_opaque = qemu_opt_get(opts, "opaque");
1003 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1004 "fd option is required and must be non-negative");
1008 if (fd <= STDERR_FILENO) {
1009 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1010 "fd cannot be a standard I/O stream");
1015 * All fds inherited across exec() necessarily have FD_CLOEXEC
1016 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1018 flags = fcntl(fd, F_GETFD);
1019 if (flags == -1 || (flags & FD_CLOEXEC)) {
1020 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1021 "fd is not valid or already in use");
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1027 "set option is required and must be non-negative");
1031 #ifdef F_DUPFD_CLOEXEC
1032 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1036 qemu_set_cloexec(dupfd);
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1041 "Error duplicating fd: %s", strerror(errno));
1045 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1046 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1052 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1056 fd = qemu_opt_get_number(opts, "fd", -1);
1063 /***********************************************************/
1064 /* QEMU Block devices */
1066 #define HD_OPTS "media=disk"
1067 #define CDROM_OPTS "media=cdrom"
1069 #define PFLASH_OPTS ""
1073 static int drive_init_func(QemuOpts *opts, void *opaque)
1075 BlockInterfaceType *block_default_type = opaque;
1077 return drive_init(opts, *block_default_type) == NULL;
1080 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1082 if (NULL == qemu_opt_get(opts, "snapshot")) {
1083 qemu_opt_set(opts, "snapshot", "on");
1088 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1089 int index, const char *optstr)
1093 if (!enable || drive_get_by_index(type, index)) {
1097 opts = drive_add(type, index, NULL, optstr);
1099 drive_enable_snapshot(opts, NULL);
1101 if (!drive_init(opts, type)) {
1106 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1108 boot_set_handler = func;
1109 boot_set_opaque = opaque;
1112 int qemu_boot_set(const char *boot_order)
1114 if (!boot_set_handler) {
1117 return boot_set_handler(boot_set_opaque, boot_order);
1120 static void validate_bootdevices(const char *devices)
1122 /* We just do some generic consistency checks */
1126 for (p = devices; *p != '\0'; p++) {
1127 /* Allowed boot devices are:
1128 * a-b: floppy disk drives
1129 * c-f: IDE disk drives
1130 * g-m: machine implementation dependent drives
1131 * n-p: network devices
1132 * It's up to each machine implementation to check if the given boot
1133 * devices match the actual hardware implementation and firmware
1136 if (*p < 'a' || *p > 'p') {
1137 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1140 if (bitmap & (1 << (*p - 'a'))) {
1141 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1144 bitmap |= 1 << (*p - 'a');
1148 static void restore_boot_order(void *opaque)
1150 char *normal_boot_order = opaque;
1151 static int first = 1;
1153 /* Restore boot order and remove ourselves after the first boot */
1159 qemu_boot_set(normal_boot_order);
1161 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1162 g_free(normal_boot_order);
1165 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1168 FWBootEntry *node, *i;
1170 if (bootindex < 0) {
1174 assert(dev != NULL || suffix != NULL);
1176 node = g_malloc0(sizeof(FWBootEntry));
1177 node->bootindex = bootindex;
1178 node->suffix = g_strdup(suffix);
1181 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1182 if (i->bootindex == bootindex) {
1183 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1185 } else if (i->bootindex < bootindex) {
1188 QTAILQ_INSERT_BEFORE(i, node, link);
1191 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1194 DeviceState *get_boot_device(uint32_t position)
1196 uint32_t counter = 0;
1197 FWBootEntry *i = NULL;
1198 DeviceState *res = NULL;
1200 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1201 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1202 if (counter == position) {
1213 * This function returns null terminated string that consist of new line
1214 * separated device paths.
1216 * memory pointed by "size" is assigned total length of the array in bytes
1219 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1225 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1226 char *devpath = NULL, *bootpath;
1230 devpath = qdev_get_fw_dev_path(i->dev);
1234 if (i->suffix && !ignore_suffixes && devpath) {
1235 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1237 bootpath = g_malloc(bootpathlen);
1238 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1240 } else if (devpath) {
1242 } else if (!ignore_suffixes) {
1244 bootpath = g_strdup(i->suffix);
1246 bootpath = g_strdup("");
1250 list[total-1] = '\n';
1252 len = strlen(bootpath) + 1;
1253 list = g_realloc(list, total + len);
1254 memcpy(&list[total], bootpath, len);
1261 if (boot_strict && *size > 0) {
1262 list[total-1] = '\n';
1263 list = g_realloc(list, total + 5);
1264 memcpy(&list[total], "HALT", 5);
1270 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1273 unsigned long long value, endvalue;
1275 /* Empty CPU range strings will be considered valid, they will simply
1276 * not set any bit in the CPU bitmap.
1282 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1285 if (*endptr == '-') {
1286 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1289 } else if (*endptr == '\0') {
1295 if (endvalue >= MAX_CPUMASK_BITS) {
1296 endvalue = MAX_CPUMASK_BITS - 1;
1298 "qemu: NUMA: A max of %d VCPUs are supported\n",
1302 if (endvalue < value) {
1306 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1310 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1314 static void numa_add(const char *optarg)
1318 unsigned long long nodenr;
1320 optarg = get_opt_name(option, 128, optarg, ',');
1321 if (*optarg == ',') {
1324 if (!strcmp(option, "node")) {
1326 if (nb_numa_nodes >= MAX_NODES) {
1327 fprintf(stderr, "qemu: too many NUMA nodes\n");
1331 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1332 nodenr = nb_numa_nodes;
1334 if (parse_uint_full(option, &nodenr, 10) < 0) {
1335 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1340 if (nodenr >= MAX_NODES) {
1341 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1345 if (get_param_value(option, 128, "mem", optarg) == 0) {
1346 node_mem[nodenr] = 0;
1349 sval = strtosz(option, &endptr);
1350 if (sval < 0 || *endptr) {
1351 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1354 node_mem[nodenr] = sval;
1356 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1357 numa_node_parse_cpus(nodenr, option);
1361 fprintf(stderr, "Invalid -numa option: %s\n", option);
1366 static QemuOptsList qemu_smp_opts = {
1368 .implied_opt_name = "cpus",
1369 .merge_lists = true,
1370 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1374 .type = QEMU_OPT_NUMBER,
1377 .type = QEMU_OPT_NUMBER,
1380 .type = QEMU_OPT_NUMBER,
1383 .type = QEMU_OPT_NUMBER,
1386 .type = QEMU_OPT_NUMBER,
1388 { /*End of list */ }
1392 static void smp_parse(QemuOpts *opts)
1396 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1397 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1398 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1399 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1401 /* compute missing values, prefer sockets over cores over threads */
1402 if (cpus == 0 || sockets == 0) {
1403 sockets = sockets > 0 ? sockets : 1;
1404 cores = cores > 0 ? cores : 1;
1405 threads = threads > 0 ? threads : 1;
1407 cpus = cores * threads * sockets;
1411 threads = threads > 0 ? threads : 1;
1412 cores = cpus / (sockets * threads);
1414 threads = cpus / (cores * sockets);
1418 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1421 smp_cores = cores > 0 ? cores : 1;
1422 smp_threads = threads > 0 ? threads : 1;
1426 if (max_cpus == 0) {
1427 max_cpus = smp_cpus;
1430 if (max_cpus > MAX_CPUMASK_BITS) {
1431 fprintf(stderr, "Unsupported number of maxcpus\n");
1434 if (max_cpus < smp_cpus) {
1435 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1441 static void configure_realtime(QemuOpts *opts)
1445 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1448 if (os_mlock() < 0) {
1449 fprintf(stderr, "qemu: locking memory failed\n");
1456 static void configure_msg(QemuOpts *opts)
1458 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1461 /***********************************************************/
1464 static int usb_device_add(const char *devname)
1466 USBDevice *dev = NULL;
1467 #ifndef CONFIG_LINUX
1471 if (!usb_enabled(false)) {
1475 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1476 dev = usbdevice_create(devname);
1480 /* the other ones */
1481 #ifndef CONFIG_LINUX
1482 /* only the linux version is qdev-ified, usb-bsd still needs this */
1483 if (strstart(devname, "host:", &p)) {
1484 dev = usb_host_device_open(usb_bus_find(-1), p);
1494 static int usb_device_del(const char *devname)
1499 if (strstart(devname, "host:", &p)) {
1503 if (!usb_enabled(false)) {
1507 p = strchr(devname, '.');
1510 bus_num = strtoul(devname, NULL, 0);
1511 addr = strtoul(p + 1, NULL, 0);
1513 return usb_device_delete_addr(bus_num, addr);
1516 static int usb_parse(const char *cmdline)
1519 r = usb_device_add(cmdline);
1521 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1526 void do_usb_add(Monitor *mon, const QDict *qdict)
1528 const char *devname = qdict_get_str(qdict, "devname");
1529 if (usb_device_add(devname) < 0) {
1530 error_report("could not add USB device '%s'", devname);
1534 void do_usb_del(Monitor *mon, const QDict *qdict)
1536 const char *devname = qdict_get_str(qdict, "devname");
1537 if (usb_device_del(devname) < 0) {
1538 error_report("could not delete USB device '%s'", devname);
1542 /***********************************************************/
1543 /* PCMCIA/Cardbus */
1545 static struct pcmcia_socket_entry_s {
1546 PCMCIASocket *socket;
1547 struct pcmcia_socket_entry_s *next;
1548 } *pcmcia_sockets = 0;
1550 void pcmcia_socket_register(PCMCIASocket *socket)
1552 struct pcmcia_socket_entry_s *entry;
1554 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1555 entry->socket = socket;
1556 entry->next = pcmcia_sockets;
1557 pcmcia_sockets = entry;
1560 void pcmcia_socket_unregister(PCMCIASocket *socket)
1562 struct pcmcia_socket_entry_s *entry, **ptr;
1564 ptr = &pcmcia_sockets;
1565 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1566 if (entry->socket == socket) {
1572 void pcmcia_info(Monitor *mon, const QDict *qdict)
1574 struct pcmcia_socket_entry_s *iter;
1576 if (!pcmcia_sockets)
1577 monitor_printf(mon, "No PCMCIA sockets\n");
1579 for (iter = pcmcia_sockets; iter; iter = iter->next)
1580 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1581 iter->socket->attached ? iter->socket->card_string :
1585 /***********************************************************/
1586 /* machine registration */
1588 MachineState *current_machine;
1590 static void machine_class_init(ObjectClass *oc, void *data)
1592 MachineClass *mc = MACHINE_CLASS(oc);
1593 QEMUMachine *qm = data;
1595 mc->name = qm->name;
1596 mc->alias = qm->alias;
1597 mc->desc = qm->desc;
1598 mc->init = qm->init;
1599 mc->reset = qm->reset;
1600 mc->hot_add_cpu = qm->hot_add_cpu;
1601 mc->kvm_type = qm->kvm_type;
1602 mc->block_default_type = qm->block_default_type;
1603 mc->max_cpus = qm->max_cpus;
1604 mc->no_serial = qm->no_serial;
1605 mc->no_parallel = qm->no_parallel;
1606 mc->use_virtcon = qm->use_virtcon;
1607 mc->use_sclp = qm->use_sclp;
1608 mc->no_floppy = qm->no_floppy;
1609 mc->no_cdrom = qm->no_cdrom;
1610 mc->no_sdcard = qm->no_sdcard;
1611 mc->is_default = qm->is_default;
1612 mc->default_machine_opts = qm->default_machine_opts;
1613 mc->default_boot_order = qm->default_boot_order;
1614 mc->compat_props = qm->compat_props;
1615 mc->hw_version = qm->hw_version;
1618 int qemu_register_machine(QEMUMachine *m)
1620 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1623 .parent = TYPE_MACHINE,
1624 .class_init = machine_class_init,
1625 .class_data = (void *)m,
1634 static MachineClass *find_machine(const char *name)
1636 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1637 MachineClass *mc = NULL;
1639 for (el = machines; el; el = el->next) {
1640 MachineClass *temp = el->data;
1642 if (!strcmp(temp->name, name)) {
1647 !strcmp(temp->alias, name)) {
1653 g_slist_free(machines);
1657 MachineClass *find_default_machine(void)
1659 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1660 MachineClass *mc = NULL;
1662 for (el = machines; el; el = el->next) {
1663 MachineClass *temp = el->data;
1665 if (temp->is_default) {
1671 g_slist_free(machines);
1675 MachineInfoList *qmp_query_machines(Error **errp)
1677 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1678 MachineInfoList *mach_list = NULL;
1680 for (el = machines; el; el = el->next) {
1681 MachineClass *mc = el->data;
1682 MachineInfoList *entry;
1685 info = g_malloc0(sizeof(*info));
1686 if (mc->is_default) {
1687 info->has_is_default = true;
1688 info->is_default = true;
1692 info->has_alias = true;
1693 info->alias = g_strdup(mc->alias);
1696 info->name = g_strdup(mc->name);
1697 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1699 entry = g_malloc0(sizeof(*entry));
1700 entry->value = info;
1701 entry->next = mach_list;
1705 g_slist_free(machines);
1709 /***********************************************************/
1710 /* main execution loop */
1712 struct vm_change_state_entry {
1713 VMChangeStateHandler *cb;
1715 QLIST_ENTRY (vm_change_state_entry) entries;
1718 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1720 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1723 VMChangeStateEntry *e;
1725 e = g_malloc0(sizeof (*e));
1729 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1733 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1735 QLIST_REMOVE (e, entries);
1739 void vm_state_notify(int running, RunState state)
1741 VMChangeStateEntry *e;
1743 trace_vm_state_notify(running, state);
1745 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1746 e->cb(e->opaque, running, state);
1752 if (!runstate_is_running()) {
1754 runstate_set(RUN_STATE_RUNNING);
1755 vm_state_notify(1, RUN_STATE_RUNNING);
1757 monitor_protocol_event(QEVENT_RESUME, NULL);
1761 /* reset/shutdown handler */
1763 typedef struct QEMUResetEntry {
1764 QTAILQ_ENTRY(QEMUResetEntry) entry;
1765 QEMUResetHandler *func;
1769 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1770 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1771 static int reset_requested;
1772 static int shutdown_requested, shutdown_signal = -1;
1773 static pid_t shutdown_pid;
1774 static int powerdown_requested;
1775 static int debug_requested;
1776 static int suspend_requested;
1777 static WakeupReason wakeup_reason;
1778 static NotifierList powerdown_notifiers =
1779 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1780 static NotifierList suspend_notifiers =
1781 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1782 static NotifierList wakeup_notifiers =
1783 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1784 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1785 static RunState vmstop_requested = RUN_STATE_MAX;
1787 int qemu_shutdown_requested_get(void)
1789 return shutdown_requested;
1792 int qemu_reset_requested_get(void)
1794 return reset_requested;
1797 static int qemu_shutdown_requested(void)
1799 int r = shutdown_requested;
1800 shutdown_requested = 0;
1804 static void qemu_kill_report(void)
1806 if (!qtest_driver() && shutdown_signal != -1) {
1807 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1808 if (shutdown_pid == 0) {
1809 /* This happens for eg ^C at the terminal, so it's worth
1810 * avoiding printing an odd message in that case.
1812 fputc('\n', stderr);
1814 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1816 shutdown_signal = -1;
1820 static int qemu_reset_requested(void)
1822 int r = reset_requested;
1823 reset_requested = 0;
1827 static int qemu_suspend_requested(void)
1829 int r = suspend_requested;
1830 suspend_requested = 0;
1834 static WakeupReason qemu_wakeup_requested(void)
1836 return wakeup_reason;
1839 static int qemu_powerdown_requested(void)
1841 int r = powerdown_requested;
1842 powerdown_requested = 0;
1846 static int qemu_debug_requested(void)
1848 int r = debug_requested;
1849 debug_requested = 0;
1853 /* We use RUN_STATE_MAX but any invalid value will do */
1854 static bool qemu_vmstop_requested(RunState *r)
1856 if (vmstop_requested < RUN_STATE_MAX) {
1857 *r = vmstop_requested;
1858 vmstop_requested = RUN_STATE_MAX;
1865 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1867 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1870 re->opaque = opaque;
1871 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1874 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1878 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1879 if (re->func == func && re->opaque == opaque) {
1880 QTAILQ_REMOVE(&reset_handlers, re, entry);
1887 void qemu_devices_reset(void)
1889 QEMUResetEntry *re, *nre;
1891 /* reset all devices */
1892 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1893 re->func(re->opaque);
1897 void qemu_system_reset(bool report)
1901 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1903 if (mc && mc->reset) {
1906 qemu_devices_reset();
1909 monitor_protocol_event(QEVENT_RESET, NULL);
1911 cpu_synchronize_all_post_reset();
1914 void qemu_system_reset_request(void)
1917 shutdown_requested = 1;
1919 reset_requested = 1;
1922 qemu_notify_event();
1925 static void qemu_system_suspend(void)
1928 notifier_list_notify(&suspend_notifiers, NULL);
1929 runstate_set(RUN_STATE_SUSPENDED);
1930 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1933 void qemu_system_suspend_request(void)
1935 if (runstate_check(RUN_STATE_SUSPENDED)) {
1938 suspend_requested = 1;
1940 qemu_notify_event();
1943 void qemu_register_suspend_notifier(Notifier *notifier)
1945 notifier_list_add(&suspend_notifiers, notifier);
1948 void qemu_system_wakeup_request(WakeupReason reason)
1950 trace_system_wakeup_request(reason);
1952 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1955 if (!(wakeup_reason_mask & (1 << reason))) {
1958 runstate_set(RUN_STATE_RUNNING);
1959 wakeup_reason = reason;
1960 qemu_notify_event();
1963 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1966 wakeup_reason_mask |= (1 << reason);
1968 wakeup_reason_mask &= ~(1 << reason);
1972 void qemu_register_wakeup_notifier(Notifier *notifier)
1974 notifier_list_add(&wakeup_notifiers, notifier);
1977 void qemu_system_killed(int signal, pid_t pid)
1979 shutdown_signal = signal;
1982 qemu_system_shutdown_request();
1985 void qemu_system_shutdown_request(void)
1987 shutdown_requested = 1;
1988 qemu_notify_event();
1991 static void qemu_system_powerdown(void)
1993 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1994 notifier_list_notify(&powerdown_notifiers, NULL);
1997 void qemu_system_powerdown_request(void)
1999 powerdown_requested = 1;
2000 qemu_notify_event();
2003 void qemu_register_powerdown_notifier(Notifier *notifier)
2005 notifier_list_add(&powerdown_notifiers, notifier);
2008 void qemu_system_debug_request(void)
2010 debug_requested = 1;
2011 qemu_notify_event();
2014 void qemu_system_vmstop_request(RunState state)
2016 vmstop_requested = state;
2017 qemu_notify_event();
2020 static bool main_loop_should_exit(void)
2023 if (qemu_debug_requested()) {
2024 vm_stop(RUN_STATE_DEBUG);
2026 if (qemu_suspend_requested()) {
2027 qemu_system_suspend();
2029 if (qemu_shutdown_requested()) {
2031 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2033 vm_stop(RUN_STATE_SHUTDOWN);
2038 if (qemu_reset_requested()) {
2040 cpu_synchronize_all_states();
2041 qemu_system_reset(VMRESET_REPORT);
2043 if (runstate_needs_reset()) {
2044 runstate_set(RUN_STATE_PAUSED);
2047 if (qemu_wakeup_requested()) {
2049 cpu_synchronize_all_states();
2050 qemu_system_reset(VMRESET_SILENT);
2051 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2052 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2054 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2056 if (qemu_powerdown_requested()) {
2057 qemu_system_powerdown();
2059 if (qemu_vmstop_requested(&r)) {
2065 static void main_loop(void)
2069 #ifdef CONFIG_PROFILER
2073 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2074 #ifdef CONFIG_PROFILER
2075 ti = profile_getclock();
2077 last_io = main_loop_wait(nonblocking);
2078 #ifdef CONFIG_PROFILER
2079 dev_time += profile_getclock() - ti;
2081 } while (!main_loop_should_exit());
2084 static void version(void)
2086 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2089 static void help(int exitcode)
2092 printf("usage: %s [options] [disk_image]\n\n"
2093 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2094 error_get_progname());
2096 #define QEMU_OPTIONS_GENERATE_HELP
2097 #include "qemu-options-wrapper.h"
2099 printf("\nDuring emulation, the following keys are useful:\n"
2100 "ctrl-alt-f toggle full screen\n"
2101 "ctrl-alt-n switch to virtual console 'n'\n"
2102 "ctrl-alt toggle mouse and keyboard grab\n"
2104 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2109 #define HAS_ARG 0x0001
2111 typedef struct QEMUOption {
2118 static const QEMUOption qemu_options[] = {
2119 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2120 #define QEMU_OPTIONS_GENERATE_OPTIONS
2121 #include "qemu-options-wrapper.h"
2125 static bool vga_available(void)
2127 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2130 static bool cirrus_vga_available(void)
2132 return object_class_by_name("cirrus-vga")
2133 || object_class_by_name("isa-cirrus-vga");
2136 static bool vmware_vga_available(void)
2138 return object_class_by_name("vmware-svga");
2141 static bool qxl_vga_available(void)
2143 return object_class_by_name("qxl-vga");
2146 static bool tcx_vga_available(void)
2148 return object_class_by_name("SUNW,tcx");
2151 static bool cg3_vga_available(void)
2153 return object_class_by_name("cgthree");
2156 static void select_vgahw (const char *p)
2160 assert(vga_interface_type == VGA_NONE);
2161 if (strstart(p, "std", &opts)) {
2162 if (vga_available()) {
2163 vga_interface_type = VGA_STD;
2165 fprintf(stderr, "Error: standard VGA not available\n");
2168 } else if (strstart(p, "cirrus", &opts)) {
2169 if (cirrus_vga_available()) {
2170 vga_interface_type = VGA_CIRRUS;
2172 fprintf(stderr, "Error: Cirrus VGA not available\n");
2175 } else if (strstart(p, "vmware", &opts)) {
2176 if (vmware_vga_available()) {
2177 vga_interface_type = VGA_VMWARE;
2179 fprintf(stderr, "Error: VMWare SVGA not available\n");
2182 } else if (strstart(p, "xenfb", &opts)) {
2183 vga_interface_type = VGA_XENFB;
2184 } else if (strstart(p, "qxl", &opts)) {
2185 if (qxl_vga_available()) {
2186 vga_interface_type = VGA_QXL;
2188 fprintf(stderr, "Error: QXL VGA not available\n");
2191 } else if (strstart(p, "tcx", &opts)) {
2192 if (tcx_vga_available()) {
2193 vga_interface_type = VGA_TCX;
2195 fprintf(stderr, "Error: TCX framebuffer not available\n");
2198 } else if (strstart(p, "cg3", &opts)) {
2199 if (cg3_vga_available()) {
2200 vga_interface_type = VGA_CG3;
2202 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2205 } else if (!strstart(p, "none", &opts)) {
2207 fprintf(stderr, "Unknown vga type: %s\n", p);
2211 const char *nextopt;
2213 if (strstart(opts, ",retrace=", &nextopt)) {
2215 if (strstart(opts, "dumb", &nextopt))
2216 vga_retrace_method = VGA_RETRACE_DUMB;
2217 else if (strstart(opts, "precise", &nextopt))
2218 vga_retrace_method = VGA_RETRACE_PRECISE;
2219 else goto invalid_vga;
2220 } else goto invalid_vga;
2225 static DisplayType select_display(const char *p)
2228 DisplayType display = DT_DEFAULT;
2230 if (strstart(p, "sdl", &opts)) {
2234 const char *nextopt;
2236 if (strstart(opts, ",frame=", &nextopt)) {
2238 if (strstart(opts, "on", &nextopt)) {
2240 } else if (strstart(opts, "off", &nextopt)) {
2243 goto invalid_sdl_args;
2245 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2247 if (strstart(opts, "on", &nextopt)) {
2249 } else if (strstart(opts, "off", &nextopt)) {
2252 goto invalid_sdl_args;
2254 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2256 if (strstart(opts, "on", &nextopt)) {
2258 } else if (strstart(opts, "off", &nextopt)) {
2261 goto invalid_sdl_args;
2263 } else if (strstart(opts, ",window_close=", &nextopt)) {
2265 if (strstart(opts, "on", &nextopt)) {
2267 } else if (strstart(opts, "off", &nextopt)) {
2270 goto invalid_sdl_args;
2274 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2280 fprintf(stderr, "SDL support is disabled\n");
2283 } else if (strstart(p, "vnc", &opts)) {
2288 const char *nextopt;
2290 if (strstart(opts, "=", &nextopt)) {
2291 vnc_display = nextopt;
2295 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2299 fprintf(stderr, "VNC support is disabled\n");
2302 } else if (strstart(p, "curses", &opts)) {
2303 #ifdef CONFIG_CURSES
2304 display = DT_CURSES;
2306 fprintf(stderr, "Curses support is disabled\n");
2309 } else if (strstart(p, "gtk", &opts)) {
2313 const char *nextopt;
2315 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2317 if (strstart(opts, "on", &nextopt)) {
2318 grab_on_hover = true;
2319 } else if (strstart(opts, "off", &nextopt)) {
2320 grab_on_hover = false;
2322 goto invalid_gtk_args;
2326 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2332 fprintf(stderr, "GTK support is disabled\n");
2335 } else if (strstart(p, "none", &opts)) {
2338 fprintf(stderr, "Unknown display type: %s\n", p);
2345 static int balloon_parse(const char *arg)
2349 if (strcmp(arg, "none") == 0) {
2353 if (!strncmp(arg, "virtio", 6)) {
2354 if (arg[6] == ',') {
2355 /* have params -> parse them */
2356 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2360 /* create empty opts */
2361 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2364 qemu_opt_set(opts, "driver", "virtio-balloon");
2371 char *qemu_find_file(int type, const char *name)
2377 /* Try the name as a straight path first */
2378 if (access(name, R_OK) == 0) {
2379 trace_load_file(name, name);
2380 return g_strdup(name);
2384 case QEMU_FILE_TYPE_BIOS:
2387 case QEMU_FILE_TYPE_KEYMAP:
2388 subdir = "keymaps/";
2394 for (i = 0; i < data_dir_idx; i++) {
2395 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2396 if (access(buf, R_OK) == 0) {
2397 trace_load_file(name, buf);
2405 static int device_help_func(QemuOpts *opts, void *opaque)
2407 return qdev_device_help(opts);
2410 static int device_init_func(QemuOpts *opts, void *opaque)
2414 dev = qdev_device_add(opts);
2417 object_unref(OBJECT(dev));
2421 static int chardev_init_func(QemuOpts *opts, void *opaque)
2423 Error *local_err = NULL;
2425 qemu_chr_new_from_opts(opts, NULL, &local_err);
2427 error_report("%s", error_get_pretty(local_err));
2428 error_free(local_err);
2434 #ifdef CONFIG_VIRTFS
2435 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2438 ret = qemu_fsdev_add(opts);
2444 static int mon_init_func(QemuOpts *opts, void *opaque)
2446 CharDriverState *chr;
2447 const char *chardev;
2451 mode = qemu_opt_get(opts, "mode");
2455 if (strcmp(mode, "readline") == 0) {
2456 flags = MONITOR_USE_READLINE;
2457 } else if (strcmp(mode, "control") == 0) {
2458 flags = MONITOR_USE_CONTROL;
2460 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2464 if (qemu_opt_get_bool(opts, "pretty", 0))
2465 flags |= MONITOR_USE_PRETTY;
2467 if (qemu_opt_get_bool(opts, "default", 0))
2468 flags |= MONITOR_IS_DEFAULT;
2470 chardev = qemu_opt_get(opts, "chardev");
2471 chr = qemu_chr_find(chardev);
2473 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2477 qemu_chr_fe_claim_no_fail(chr);
2478 monitor_init(chr, flags);
2482 static void monitor_parse(const char *optarg, const char *mode)
2484 static int monitor_device_index = 0;
2490 if (strstart(optarg, "chardev:", &p)) {
2491 snprintf(label, sizeof(label), "%s", p);
2493 snprintf(label, sizeof(label), "compat_monitor%d",
2494 monitor_device_index);
2495 if (monitor_device_index == 0) {
2498 opts = qemu_chr_parse_compat(label, optarg);
2500 fprintf(stderr, "parse error: %s\n", optarg);
2505 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2507 fprintf(stderr, "duplicate chardev: %s\n", label);
2510 qemu_opt_set(opts, "mode", mode);
2511 qemu_opt_set(opts, "chardev", label);
2513 qemu_opt_set(opts, "default", "on");
2514 monitor_device_index++;
2517 struct device_config {
2519 DEV_USB, /* -usbdevice */
2521 DEV_SERIAL, /* -serial */
2522 DEV_PARALLEL, /* -parallel */
2523 DEV_VIRTCON, /* -virtioconsole */
2524 DEV_DEBUGCON, /* -debugcon */
2525 DEV_GDB, /* -gdb, -s */
2526 DEV_SCLP, /* s390 sclp */
2528 const char *cmdline;
2530 QTAILQ_ENTRY(device_config) next;
2533 static QTAILQ_HEAD(, device_config) device_configs =
2534 QTAILQ_HEAD_INITIALIZER(device_configs);
2536 static void add_device_config(int type, const char *cmdline)
2538 struct device_config *conf;
2540 conf = g_malloc0(sizeof(*conf));
2542 conf->cmdline = cmdline;
2543 loc_save(&conf->loc);
2544 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2547 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2549 struct device_config *conf;
2552 QTAILQ_FOREACH(conf, &device_configs, next) {
2553 if (conf->type != type)
2555 loc_push_restore(&conf->loc);
2556 rc = func(conf->cmdline);
2557 loc_pop(&conf->loc);
2564 static int serial_parse(const char *devname)
2566 static int index = 0;
2569 if (strcmp(devname, "none") == 0)
2571 if (index == MAX_SERIAL_PORTS) {
2572 fprintf(stderr, "qemu: too many serial ports\n");
2575 snprintf(label, sizeof(label), "serial%d", index);
2576 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2577 if (!serial_hds[index]) {
2578 fprintf(stderr, "qemu: could not connect serial device"
2579 " to character backend '%s'\n", devname);
2586 static int parallel_parse(const char *devname)
2588 static int index = 0;
2591 if (strcmp(devname, "none") == 0)
2593 if (index == MAX_PARALLEL_PORTS) {
2594 fprintf(stderr, "qemu: too many parallel ports\n");
2597 snprintf(label, sizeof(label), "parallel%d", index);
2598 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2599 if (!parallel_hds[index]) {
2600 fprintf(stderr, "qemu: could not connect parallel device"
2601 " to character backend '%s'\n", devname);
2608 static int virtcon_parse(const char *devname)
2610 QemuOptsList *device = qemu_find_opts("device");
2611 static int index = 0;
2613 QemuOpts *bus_opts, *dev_opts;
2615 if (strcmp(devname, "none") == 0)
2617 if (index == MAX_VIRTIO_CONSOLES) {
2618 fprintf(stderr, "qemu: too many virtio consoles\n");
2622 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2623 if (arch_type == QEMU_ARCH_S390X) {
2624 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2626 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2629 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2630 qemu_opt_set(dev_opts, "driver", "virtconsole");
2632 snprintf(label, sizeof(label), "virtcon%d", index);
2633 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2634 if (!virtcon_hds[index]) {
2635 fprintf(stderr, "qemu: could not connect virtio console"
2636 " to character backend '%s'\n", devname);
2639 qemu_opt_set(dev_opts, "chardev", label);
2645 static int sclp_parse(const char *devname)
2647 QemuOptsList *device = qemu_find_opts("device");
2648 static int index = 0;
2652 if (strcmp(devname, "none") == 0) {
2655 if (index == MAX_SCLP_CONSOLES) {
2656 fprintf(stderr, "qemu: too many sclp consoles\n");
2660 assert(arch_type == QEMU_ARCH_S390X);
2662 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2663 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2665 snprintf(label, sizeof(label), "sclpcon%d", index);
2666 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2667 if (!sclp_hds[index]) {
2668 fprintf(stderr, "qemu: could not connect sclp console"
2669 " to character backend '%s'\n", devname);
2672 qemu_opt_set(dev_opts, "chardev", label);
2678 static int debugcon_parse(const char *devname)
2682 if (!qemu_chr_new("debugcon", devname, NULL)) {
2685 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2687 fprintf(stderr, "qemu: already have a debugcon device\n");
2690 qemu_opt_set(opts, "driver", "isa-debugcon");
2691 qemu_opt_set(opts, "chardev", "debugcon");
2695 static MachineClass *machine_parse(const char *name)
2697 MachineClass *mc = NULL;
2698 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2701 mc = find_machine(name);
2706 if (name && !is_help_option(name)) {
2707 error_report("Unsupported machine type");
2708 error_printf("Use -machine help to list supported machines!\n");
2710 printf("Supported machines are:\n");
2711 for (el = machines; el; el = el->next) {
2712 MachineClass *mc = el->data;
2714 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2716 printf("%-20s %s%s\n", mc->name, mc->desc,
2717 mc->is_default ? " (default)" : "");
2721 g_slist_free(machines);
2722 exit(!name || !is_help_option(name));
2725 static int tcg_init(MachineClass *mc)
2727 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2732 const char *opt_name;
2734 int (*available)(void);
2735 int (*init)(MachineClass *mc);
2738 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2739 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2740 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2741 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2744 static int configure_accelerator(MachineClass *mc)
2749 bool accel_initialised = false;
2750 bool init_failed = false;
2752 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2754 /* Use the default "accelerator", tcg */
2758 while (!accel_initialised && *p != '\0') {
2762 p = get_opt_name(buf, sizeof (buf), p, ':');
2763 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2764 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2765 if (!accel_list[i].available()) {
2766 printf("%s not supported for this target\n",
2767 accel_list[i].name);
2770 *(accel_list[i].allowed) = true;
2771 ret = accel_list[i].init(mc);
2774 fprintf(stderr, "failed to initialize %s: %s\n",
2777 *(accel_list[i].allowed) = false;
2779 accel_initialised = true;
2784 if (i == ARRAY_SIZE(accel_list)) {
2785 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2789 if (!accel_initialised) {
2791 fprintf(stderr, "No accelerator found!\n");
2797 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2800 return !accel_initialised;
2803 void qemu_add_exit_notifier(Notifier *notify)
2805 notifier_list_add(&exit_notifiers, notify);
2808 void qemu_remove_exit_notifier(Notifier *notify)
2810 notifier_remove(notify);
2813 static void qemu_run_exit_notifiers(void)
2815 notifier_list_notify(&exit_notifiers, NULL);
2818 void qemu_add_machine_init_done_notifier(Notifier *notify)
2820 notifier_list_add(&machine_init_done_notifiers, notify);
2823 static void qemu_run_machine_init_done_notifiers(void)
2825 notifier_list_notify(&machine_init_done_notifiers, NULL);
2828 static const QEMUOption *lookup_opt(int argc, char **argv,
2829 const char **poptarg, int *poptind)
2831 const QEMUOption *popt;
2832 int optind = *poptind;
2833 char *r = argv[optind];
2836 loc_set_cmdline(argv, optind, 1);
2838 /* Treat --foo the same as -foo. */
2841 popt = qemu_options;
2844 error_report("invalid option");
2847 if (!strcmp(popt->name, r + 1))
2851 if (popt->flags & HAS_ARG) {
2852 if (optind >= argc) {
2853 error_report("requires an argument");
2856 optarg = argv[optind++];
2857 loc_set_cmdline(argv, optind - 2, 2);
2868 static gpointer malloc_and_trace(gsize n_bytes)
2870 void *ptr = malloc(n_bytes);
2871 trace_g_malloc(n_bytes, ptr);
2875 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2877 void *ptr = realloc(mem, n_bytes);
2878 trace_g_realloc(mem, n_bytes, ptr);
2882 static void free_and_trace(gpointer mem)
2888 static int object_set_property(const char *name, const char *value, void *opaque)
2890 Object *obj = OBJECT(opaque);
2891 StringInputVisitor *siv;
2892 Error *local_err = NULL;
2894 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2895 strcmp(name, "type") == 0) {
2899 siv = string_input_visitor_new(value);
2900 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2901 string_input_visitor_cleanup(siv);
2904 qerror_report_err(local_err);
2905 error_free(local_err);
2912 static int object_create(QemuOpts *opts, void *opaque)
2914 const char *type = qemu_opt_get(opts, "qom-type");
2915 const char *id = qemu_opts_id(opts);
2916 Error *local_err = NULL;
2919 g_assert(type != NULL);
2922 qerror_report(QERR_MISSING_PARAMETER, "id");
2926 obj = object_new(type);
2927 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2932 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2933 error_setg(&local_err, "object '%s' isn't supported by -object",
2938 user_creatable_complete(obj, &local_err);
2943 object_property_add_child(container_get(object_get_root(), "/objects"),
2944 id, obj, &local_err);
2949 qerror_report_err(local_err);
2950 error_free(local_err);
2956 int main(int argc, char **argv, char **envp)
2959 int snapshot, linux_boot;
2960 const char *icount_option = NULL;
2961 const char *initrd_filename;
2962 const char *kernel_filename, *kernel_cmdline;
2963 const char *boot_order;
2965 int cyls, heads, secs, translation;
2966 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2967 QemuOptsList *olist;
2970 const char *loadvm = NULL;
2971 MachineClass *machine_class;
2972 const char *cpu_model;
2973 const char *vga_model = NULL;
2974 const char *qtest_chrdev = NULL;
2975 const char *qtest_log = NULL;
2976 const char *pid_file = NULL;
2977 const char *incoming = NULL;
2979 int show_vnc_port = 0;
2981 bool defconfig = true;
2982 bool userconfig = true;
2983 const char *log_mask = NULL;
2984 const char *log_file = NULL;
2985 GMemVTable mem_trace = {
2986 .malloc = malloc_and_trace,
2987 .realloc = realloc_and_trace,
2988 .free = free_and_trace,
2990 const char *trace_events = NULL;
2991 const char *trace_file = NULL;
2992 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2995 atexit(qemu_run_exit_notifiers);
2996 error_set_progname(argv[0]);
2997 qemu_init_exec_dir(argv[0]);
2999 g_mem_set_vtable(&mem_trace);
3001 module_call_init(MODULE_INIT_QOM);
3003 qemu_add_opts(&qemu_drive_opts);
3004 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3005 qemu_add_drive_opts(&qemu_common_drive_opts);
3006 qemu_add_drive_opts(&qemu_drive_opts);
3007 qemu_add_opts(&qemu_chardev_opts);
3008 qemu_add_opts(&qemu_device_opts);
3009 qemu_add_opts(&qemu_netdev_opts);
3010 qemu_add_opts(&qemu_net_opts);
3011 qemu_add_opts(&qemu_rtc_opts);
3012 qemu_add_opts(&qemu_global_opts);
3013 qemu_add_opts(&qemu_mon_opts);
3014 qemu_add_opts(&qemu_trace_opts);
3015 qemu_add_opts(&qemu_option_rom_opts);
3016 qemu_add_opts(&qemu_machine_opts);
3017 qemu_add_opts(&qemu_mem_opts);
3018 qemu_add_opts(&qemu_smp_opts);
3019 qemu_add_opts(&qemu_boot_opts);
3020 qemu_add_opts(&qemu_sandbox_opts);
3021 qemu_add_opts(&qemu_add_fd_opts);
3022 qemu_add_opts(&qemu_object_opts);
3023 qemu_add_opts(&qemu_tpmdev_opts);
3024 qemu_add_opts(&qemu_realtime_opts);
3025 qemu_add_opts(&qemu_msg_opts);
3026 qemu_add_opts(&qemu_name_opts);
3030 rtc_clock = QEMU_CLOCK_HOST;
3032 qemu_init_auxval(envp);
3033 qemu_cache_utils_init();
3035 QLIST_INIT (&vm_change_state_head);
3036 os_setup_early_signal_handling();
3038 module_call_init(MODULE_INIT_MACHINE);
3039 machine_class = find_default_machine();
3041 ram_size = default_ram_size;
3043 cyls = heads = secs = 0;
3044 translation = BIOS_ATA_TRANSLATION_AUTO;
3046 for (i = 0; i < MAX_NODES; i++) {
3048 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3054 bdrv_init_with_whitelist();
3058 /* first pass of option parsing */
3060 while (optind < argc) {
3061 if (argv[optind][0] != '-') {
3065 const QEMUOption *popt;
3067 popt = lookup_opt(argc, argv, &optarg, &optind);
3068 switch (popt->index) {
3069 case QEMU_OPTION_nodefconfig:
3072 case QEMU_OPTION_nouserconfig:
3081 ret = qemu_read_default_config_files(userconfig);
3087 /* second pass of option parsing */
3092 if (argv[optind][0] != '-') {
3093 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3095 const QEMUOption *popt;
3097 popt = lookup_opt(argc, argv, &optarg, &optind);
3098 if (!(popt->arch_mask & arch_type)) {
3099 printf("Option %s not supported for this target\n", popt->name);
3102 switch(popt->index) {
3104 machine_class = machine_parse(optarg);
3106 case QEMU_OPTION_no_kvm_irqchip: {
3107 olist = qemu_find_opts("machine");
3108 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3111 case QEMU_OPTION_cpu:
3112 /* hw initialization will check this */
3115 case QEMU_OPTION_hda:
3119 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3121 snprintf(buf, sizeof(buf),
3122 "%s,cyls=%d,heads=%d,secs=%d%s",
3123 HD_OPTS , cyls, heads, secs,
3124 translation == BIOS_ATA_TRANSLATION_LBA ?
3126 translation == BIOS_ATA_TRANSLATION_NONE ?
3127 ",trans=none" : "");
3128 drive_add(IF_DEFAULT, 0, optarg, buf);
3131 case QEMU_OPTION_hdb:
3132 case QEMU_OPTION_hdc:
3133 case QEMU_OPTION_hdd:
3134 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3137 case QEMU_OPTION_drive:
3138 if (drive_def(optarg) == NULL) {
3142 case QEMU_OPTION_set:
3143 if (qemu_set_option(optarg) != 0)
3146 case QEMU_OPTION_global:
3147 if (qemu_global_option(optarg) != 0)
3150 case QEMU_OPTION_mtdblock:
3151 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3153 case QEMU_OPTION_sd:
3154 drive_add(IF_SD, -1, optarg, SD_OPTS);
3156 case QEMU_OPTION_pflash:
3157 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3159 case QEMU_OPTION_snapshot:
3162 case QEMU_OPTION_hdachs:
3166 cyls = strtol(p, (char **)&p, 0);
3167 if (cyls < 1 || cyls > 16383)
3172 heads = strtol(p, (char **)&p, 0);
3173 if (heads < 1 || heads > 16)
3178 secs = strtol(p, (char **)&p, 0);
3179 if (secs < 1 || secs > 63)
3183 if (!strcmp(p, "large")) {
3184 translation = BIOS_ATA_TRANSLATION_LARGE;
3185 } else if (!strcmp(p, "rechs")) {
3186 translation = BIOS_ATA_TRANSLATION_RECHS;
3187 } else if (!strcmp(p, "none")) {
3188 translation = BIOS_ATA_TRANSLATION_NONE;
3189 } else if (!strcmp(p, "lba")) {
3190 translation = BIOS_ATA_TRANSLATION_LBA;
3191 } else if (!strcmp(p, "auto")) {
3192 translation = BIOS_ATA_TRANSLATION_AUTO;
3196 } else if (*p != '\0') {
3198 fprintf(stderr, "qemu: invalid physical CHS format\n");
3201 if (hda_opts != NULL) {
3203 snprintf(num, sizeof(num), "%d", cyls);
3204 qemu_opt_set(hda_opts, "cyls", num);
3205 snprintf(num, sizeof(num), "%d", heads);
3206 qemu_opt_set(hda_opts, "heads", num);
3207 snprintf(num, sizeof(num), "%d", secs);
3208 qemu_opt_set(hda_opts, "secs", num);
3209 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3210 qemu_opt_set(hda_opts, "trans", "large");
3211 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3212 qemu_opt_set(hda_opts, "trans", "rechs");
3213 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3214 qemu_opt_set(hda_opts, "trans", "lba");
3215 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3216 qemu_opt_set(hda_opts, "trans", "none");
3221 case QEMU_OPTION_numa:
3224 case QEMU_OPTION_display:
3225 display_type = select_display(optarg);
3227 case QEMU_OPTION_nographic:
3228 display_type = DT_NOGRAPHIC;
3230 case QEMU_OPTION_curses:
3231 #ifdef CONFIG_CURSES
3232 display_type = DT_CURSES;
3234 fprintf(stderr, "Curses support is disabled\n");
3238 case QEMU_OPTION_portrait:
3239 graphic_rotate = 90;
3241 case QEMU_OPTION_rotate:
3242 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3243 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3244 graphic_rotate != 180 && graphic_rotate != 270) {
3246 "qemu: only 90, 180, 270 deg rotation is available\n");
3250 case QEMU_OPTION_kernel:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3253 case QEMU_OPTION_initrd:
3254 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3256 case QEMU_OPTION_append:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3259 case QEMU_OPTION_dtb:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3262 case QEMU_OPTION_cdrom:
3263 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3265 case QEMU_OPTION_boot:
3266 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3271 case QEMU_OPTION_fda:
3272 case QEMU_OPTION_fdb:
3273 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3276 case QEMU_OPTION_no_fd_bootchk:
3279 case QEMU_OPTION_netdev:
3280 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3284 case QEMU_OPTION_net:
3285 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3289 #ifdef CONFIG_LIBISCSI
3290 case QEMU_OPTION_iscsi:
3291 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3298 case QEMU_OPTION_tftp:
3299 legacy_tftp_prefix = optarg;
3301 case QEMU_OPTION_bootp:
3302 legacy_bootp_filename = optarg;
3304 case QEMU_OPTION_redir:
3305 if (net_slirp_redir(optarg) < 0)
3309 case QEMU_OPTION_bt:
3310 add_device_config(DEV_BT, optarg);
3312 case QEMU_OPTION_audio_help:
3316 case QEMU_OPTION_soundhw:
3317 select_soundhw (optarg);
3322 case QEMU_OPTION_version:
3326 case QEMU_OPTION_m: {
3328 const char *mem_str;
3330 opts = qemu_opts_parse(qemu_find_opts("memory"),
3336 mem_str = qemu_opt_get(opts, "size");
3338 error_report("invalid -m option, missing 'size' option");
3342 error_report("missing 'size' option value");
3346 sz = qemu_opt_get_size(opts, "size", ram_size);
3348 /* Fix up legacy suffix-less format */
3349 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3350 uint64_t overflow_check = sz;
3353 if ((sz >> 20) != overflow_check) {
3354 error_report("too large 'size' option value");
3359 /* backward compatibility behaviour for case "-m 0" */
3361 sz = default_ram_size;
3364 sz = QEMU_ALIGN_UP(sz, 8192);
3366 if (ram_size != sz) {
3367 error_report("ram size too large");
3373 case QEMU_OPTION_tpmdev:
3374 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3379 case QEMU_OPTION_mempath:
3382 case QEMU_OPTION_mem_prealloc:
3392 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3394 case QEMU_OPTION_gdb:
3395 add_device_config(DEV_GDB, optarg);
3398 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3399 data_dir[data_dir_idx++] = optarg;
3402 case QEMU_OPTION_bios:
3403 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3405 case QEMU_OPTION_singlestep:
3412 keyboard_layout = optarg;
3414 case QEMU_OPTION_localtime:
3417 case QEMU_OPTION_vga:
3426 w = strtol(p, (char **)&p, 10);
3429 fprintf(stderr, "qemu: invalid resolution or depth\n");
3435 h = strtol(p, (char **)&p, 10);
3440 depth = strtol(p, (char **)&p, 10);
3441 if (depth != 8 && depth != 15 && depth != 16 &&
3442 depth != 24 && depth != 32)
3444 } else if (*p == '\0') {
3445 depth = graphic_depth;
3452 graphic_depth = depth;
3455 case QEMU_OPTION_echr:
3458 term_escape_char = strtol(optarg, &r, 0);
3460 printf("Bad argument to echr\n");
3463 case QEMU_OPTION_monitor:
3464 default_monitor = 0;
3465 if (strncmp(optarg, "none", 4)) {
3466 monitor_parse(optarg, "readline");
3469 case QEMU_OPTION_qmp:
3470 monitor_parse(optarg, "control");
3471 default_monitor = 0;
3473 case QEMU_OPTION_mon:
3474 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3478 default_monitor = 0;
3480 case QEMU_OPTION_chardev:
3481 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3486 case QEMU_OPTION_fsdev:
3487 olist = qemu_find_opts("fsdev");
3489 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3492 opts = qemu_opts_parse(olist, optarg, 1);
3497 case QEMU_OPTION_virtfs: {
3500 const char *writeout, *sock_fd, *socket;
3502 olist = qemu_find_opts("virtfs");
3504 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3507 opts = qemu_opts_parse(olist, optarg, 1);
3512 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3513 qemu_opt_get(opts, "mount_tag") == NULL) {
3514 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3517 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3518 qemu_opt_get(opts, "mount_tag"),
3521 fprintf(stderr, "duplicate fsdev id: %s\n",
3522 qemu_opt_get(opts, "mount_tag"));
3526 writeout = qemu_opt_get(opts, "writeout");
3528 #ifdef CONFIG_SYNC_FILE_RANGE
3529 qemu_opt_set(fsdev, "writeout", writeout);
3531 fprintf(stderr, "writeout=immediate not supported on "
3536 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3537 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3538 qemu_opt_set(fsdev, "security_model",
3539 qemu_opt_get(opts, "security_model"));
3540 socket = qemu_opt_get(opts, "socket");
3542 qemu_opt_set(fsdev, "socket", socket);
3544 sock_fd = qemu_opt_get(opts, "sock_fd");
3546 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3549 qemu_opt_set_bool(fsdev, "readonly",
3550 qemu_opt_get_bool(opts, "readonly", 0));
3551 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3553 qemu_opt_set(device, "driver", "virtio-9p-pci");
3554 qemu_opt_set(device, "fsdev",
3555 qemu_opt_get(opts, "mount_tag"));
3556 qemu_opt_set(device, "mount_tag",
3557 qemu_opt_get(opts, "mount_tag"));
3560 case QEMU_OPTION_virtfs_synth: {
3564 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3567 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3570 qemu_opt_set(fsdev, "fsdriver", "synth");
3572 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3574 qemu_opt_set(device, "driver", "virtio-9p-pci");
3575 qemu_opt_set(device, "fsdev", "v_synth");
3576 qemu_opt_set(device, "mount_tag", "v_synth");
3579 case QEMU_OPTION_serial:
3580 add_device_config(DEV_SERIAL, optarg);
3582 if (strncmp(optarg, "mon:", 4) == 0) {
3583 default_monitor = 0;
3586 case QEMU_OPTION_watchdog:
3589 "qemu: only one watchdog option may be given\n");
3594 case QEMU_OPTION_watchdog_action:
3595 if (select_watchdog_action(optarg) == -1) {
3596 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3600 case QEMU_OPTION_virtiocon:
3601 add_device_config(DEV_VIRTCON, optarg);
3602 default_virtcon = 0;
3603 if (strncmp(optarg, "mon:", 4) == 0) {
3604 default_monitor = 0;
3607 case QEMU_OPTION_parallel:
3608 add_device_config(DEV_PARALLEL, optarg);
3609 default_parallel = 0;
3610 if (strncmp(optarg, "mon:", 4) == 0) {
3611 default_monitor = 0;
3614 case QEMU_OPTION_debugcon:
3615 add_device_config(DEV_DEBUGCON, optarg);
3617 case QEMU_OPTION_loadvm:
3620 case QEMU_OPTION_full_screen:
3623 case QEMU_OPTION_no_frame:
3626 case QEMU_OPTION_alt_grab:
3629 case QEMU_OPTION_ctrl_grab:
3632 case QEMU_OPTION_no_quit:
3635 case QEMU_OPTION_sdl:
3637 display_type = DT_SDL;
3640 fprintf(stderr, "SDL support is disabled\n");
3643 case QEMU_OPTION_pidfile:
3646 case QEMU_OPTION_win2k_hack:
3647 win2k_install_hack = 1;
3649 case QEMU_OPTION_rtc_td_hack: {
3650 static GlobalProperty slew_lost_ticks[] = {
3652 .driver = "mc146818rtc",
3653 .property = "lost_tick_policy",
3656 { /* end of list */ }
3659 qdev_prop_register_global_list(slew_lost_ticks);
3662 case QEMU_OPTION_acpitable:
3663 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3667 do_acpitable_option(opts);
3669 case QEMU_OPTION_smbios:
3670 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3674 do_smbios_option(opts);
3676 case QEMU_OPTION_enable_kvm:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse(olist, "accel=kvm", 0);
3680 case QEMU_OPTION_machine:
3681 olist = qemu_find_opts("machine");
3682 opts = qemu_opts_parse(olist, optarg, 1);
3686 optarg = qemu_opt_get(opts, "type");
3688 machine_class = machine_parse(optarg);
3691 case QEMU_OPTION_no_kvm:
3692 olist = qemu_find_opts("machine");
3693 qemu_opts_parse(olist, "accel=tcg", 0);
3695 case QEMU_OPTION_no_kvm_pit: {
3696 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3700 case QEMU_OPTION_no_kvm_pit_reinjection: {
3701 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3703 .driver = "kvm-pit",
3704 .property = "lost_tick_policy",
3707 { /* end of list */ }
3710 fprintf(stderr, "Warning: option deprecated, use "
3711 "lost_tick_policy property of kvm-pit instead.\n");
3712 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3715 case QEMU_OPTION_usb:
3716 olist = qemu_find_opts("machine");
3717 qemu_opts_parse(olist, "usb=on", 0);
3719 case QEMU_OPTION_usbdevice:
3720 olist = qemu_find_opts("machine");
3721 qemu_opts_parse(olist, "usb=on", 0);
3722 add_device_config(DEV_USB, optarg);
3724 case QEMU_OPTION_device:
3725 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3729 case QEMU_OPTION_smp:
3730 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3734 case QEMU_OPTION_vnc:
3737 vnc_display = optarg;
3739 fprintf(stderr, "VNC support is disabled\n");
3743 case QEMU_OPTION_no_acpi:
3746 case QEMU_OPTION_no_hpet:
3749 case QEMU_OPTION_balloon:
3750 if (balloon_parse(optarg) < 0) {
3751 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3755 case QEMU_OPTION_no_reboot:
3758 case QEMU_OPTION_no_shutdown:
3761 case QEMU_OPTION_show_cursor:
3764 case QEMU_OPTION_uuid:
3765 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3766 fprintf(stderr, "Fail to parse UUID string."
3767 " Wrong format.\n");
3770 qemu_uuid_set = true;
3772 case QEMU_OPTION_option_rom:
3773 if (nb_option_roms >= MAX_OPTION_ROMS) {
3774 fprintf(stderr, "Too many option ROMs\n");
3777 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3781 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3782 option_rom[nb_option_roms].bootindex =
3783 qemu_opt_get_number(opts, "bootindex", -1);
3784 if (!option_rom[nb_option_roms].name) {
3785 fprintf(stderr, "Option ROM file is not specified\n");
3790 case QEMU_OPTION_semihosting:
3791 semihosting_enabled = 1;
3793 case QEMU_OPTION_tdf:
3794 fprintf(stderr, "Warning: user space PIT time drift fix "
3795 "is no longer supported.\n");
3797 case QEMU_OPTION_name:
3798 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3803 case QEMU_OPTION_prom_env:
3804 if (nb_prom_envs >= MAX_PROM_ENVS) {
3805 fprintf(stderr, "Too many prom variables\n");
3808 prom_envs[nb_prom_envs] = optarg;
3811 case QEMU_OPTION_old_param:
3814 case QEMU_OPTION_clock:
3815 /* Clock options no longer exist. Keep this option for
3816 * backward compatibility.
3819 case QEMU_OPTION_startdate:
3820 configure_rtc_date_offset(optarg, 1);
3822 case QEMU_OPTION_rtc:
3823 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3827 configure_rtc(opts);
3829 case QEMU_OPTION_tb_size:
3830 tcg_tb_size = strtol(optarg, NULL, 0);
3831 if (tcg_tb_size < 0) {
3835 case QEMU_OPTION_icount:
3836 icount_option = optarg;
3838 case QEMU_OPTION_incoming:
3840 runstate_set(RUN_STATE_INMIGRATE);
3842 case QEMU_OPTION_nodefaults:
3845 case QEMU_OPTION_xen_domid:
3846 if (!(xen_available())) {
3847 printf("Option %s not supported for this target\n", popt->name);
3850 xen_domid = atoi(optarg);
3852 case QEMU_OPTION_xen_create:
3853 if (!(xen_available())) {
3854 printf("Option %s not supported for this target\n", popt->name);
3857 xen_mode = XEN_CREATE;
3859 case QEMU_OPTION_xen_attach:
3860 if (!(xen_available())) {
3861 printf("Option %s not supported for this target\n", popt->name);
3864 xen_mode = XEN_ATTACH;
3866 case QEMU_OPTION_trace:
3868 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3872 trace_events = qemu_opt_get(opts, "events");
3873 trace_file = qemu_opt_get(opts, "file");
3876 case QEMU_OPTION_readconfig:
3878 int ret = qemu_read_config_file(optarg);
3880 fprintf(stderr, "read config %s: %s\n", optarg,
3886 case QEMU_OPTION_spice:
3887 olist = qemu_find_opts("spice");
3889 fprintf(stderr, "spice is not supported by this qemu build.\n");
3892 opts = qemu_opts_parse(olist, optarg, 0);
3898 case QEMU_OPTION_writeconfig:
3901 if (strcmp(optarg, "-") == 0) {
3904 fp = fopen(optarg, "w");
3906 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3910 qemu_config_write(fp);
3916 case QEMU_OPTION_qtest:
3917 qtest_chrdev = optarg;
3919 case QEMU_OPTION_qtest_log:
3922 case QEMU_OPTION_sandbox:
3923 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3928 case QEMU_OPTION_add_fd:
3930 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3935 error_report("File descriptor passing is disabled on this "
3940 case QEMU_OPTION_object:
3941 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3946 case QEMU_OPTION_realtime:
3947 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3951 configure_realtime(opts);
3953 case QEMU_OPTION_msg:
3954 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3958 configure_msg(opts);
3961 os_parse_cmd_args(popt->index, optarg);
3967 if (qemu_init_main_loop()) {
3968 fprintf(stderr, "qemu_init_main_loop failed\n");
3972 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3976 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3981 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3985 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3990 if (machine_class == NULL) {
3991 fprintf(stderr, "No machine specified, and there is no default.\n"
3992 "Use -machine help to list supported machines!\n");
3996 current_machine = MACHINE(object_new(object_class_get_name(
3997 OBJECT_CLASS(machine_class))));
3998 object_property_add_child(object_get_root(), "machine",
3999 OBJECT(current_machine), &error_abort);
4001 if (machine_class->hw_version) {
4002 qemu_set_version(machine_class->hw_version);
4005 if (qemu_opts_foreach(qemu_find_opts("object"),
4006 object_create, NULL, 0) != 0) {
4010 /* Init CPU def lists, based on config
4011 * - Must be called after all the qemu_read_config_file() calls
4012 * - Must be called before list_cpus()
4013 * - Must be called before machine->init()
4017 if (cpu_model && is_help_option(cpu_model)) {
4018 list_cpus(stdout, &fprintf, cpu_model);
4022 /* Open the logfile at this point, if necessary. We can't open the logfile
4023 * when encountering either of the logging options (-d or -D) because the
4024 * other one may be encountered later on the command line, changing the
4025 * location or level of logging.
4030 qemu_set_log_filename(log_file);
4033 mask = qemu_str_to_log_mask(log_mask);
4035 qemu_print_log_usage(stdout);
4041 if (!is_daemonized()) {
4042 if (!trace_backend_init(trace_events, trace_file)) {
4047 /* If no data_dir is specified then try to find it relative to the
4049 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4050 data_dir[data_dir_idx] = os_find_datadir();
4051 if (data_dir[data_dir_idx] != NULL) {
4055 /* If all else fails use the install path specified when building. */
4056 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4057 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4060 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4062 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4063 if (smp_cpus > machine_class->max_cpus) {
4064 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4065 "supported by machine `%s' (%d)\n", smp_cpus,
4066 machine_class->name, machine_class->max_cpus);
4071 * Get the default machine options from the machine if it is not already
4072 * specified either by the configuration file or by the command line.
4074 if (machine_class->default_machine_opts) {
4075 qemu_opts_set_defaults(qemu_find_opts("machine"),
4076 machine_class->default_machine_opts, 0);
4079 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4080 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4082 if (!vga_model && !default_vga) {
4083 vga_interface_type = VGA_DEVICE;
4085 if (!has_defaults || machine_class->no_serial) {
4088 if (!has_defaults || machine_class->no_parallel) {
4089 default_parallel = 0;
4091 if (!has_defaults || !machine_class->use_virtcon) {
4092 default_virtcon = 0;
4094 if (!has_defaults || !machine_class->use_sclp) {
4097 if (!has_defaults || machine_class->no_floppy) {
4100 if (!has_defaults || machine_class->no_cdrom) {
4103 if (!has_defaults || machine_class->no_sdcard) {
4106 if (!has_defaults) {
4107 default_monitor = 0;
4112 if (is_daemonized()) {
4113 /* According to documentation and historically, -nographic redirects
4114 * serial port, parallel port and monitor to stdio, which does not work
4115 * with -daemonize. We can redirect these to null instead, but since
4116 * -nographic is legacy, let's just error out.
4117 * We disallow -nographic only if all other ports are not redirected
4118 * explicitly, to not break existing legacy setups which uses
4119 * -nographic _and_ redirects all ports explicitly - this is valid
4120 * usage, -nographic is just a no-op in this case.
4122 if (display_type == DT_NOGRAPHIC
4123 && (default_parallel || default_serial
4124 || default_monitor || default_virtcon)) {
4125 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4128 #ifdef CONFIG_CURSES
4129 if (display_type == DT_CURSES) {
4130 fprintf(stderr, "curses display can not be used with -daemonize\n");
4136 if (display_type == DT_NOGRAPHIC) {
4137 if (default_parallel)
4138 add_device_config(DEV_PARALLEL, "null");
4139 if (default_serial && default_monitor) {
4140 add_device_config(DEV_SERIAL, "mon:stdio");
4141 } else if (default_virtcon && default_monitor) {
4142 add_device_config(DEV_VIRTCON, "mon:stdio");
4143 } else if (default_sclp && default_monitor) {
4144 add_device_config(DEV_SCLP, "mon:stdio");
4147 add_device_config(DEV_SERIAL, "stdio");
4148 if (default_virtcon)
4149 add_device_config(DEV_VIRTCON, "stdio");
4151 add_device_config(DEV_SCLP, "stdio");
4153 if (default_monitor)
4154 monitor_parse("stdio", "readline");
4158 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4159 if (default_parallel)
4160 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4161 if (default_monitor)
4162 monitor_parse("vc:80Cx24C", "readline");
4163 if (default_virtcon)
4164 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4166 add_device_config(DEV_SCLP, "vc:80Cx24C");
4170 if (display_type == DT_DEFAULT && !display_remote) {
4171 #if defined(CONFIG_GTK)
4172 display_type = DT_GTK;
4173 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4174 display_type = DT_SDL;
4175 #elif defined(CONFIG_VNC)
4176 vnc_display = "localhost:0,to=99";
4179 display_type = DT_NONE;
4183 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4184 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4185 "for SDL, ignoring option\n");
4187 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4188 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4189 "ignoring option\n");
4192 #if defined(CONFIG_GTK)
4193 if (display_type == DT_GTK) {
4194 early_gtk_display_init();
4200 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4202 #ifdef CONFIG_VIRTFS
4203 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4210 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4215 /* store value for the future use */
4216 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4218 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4223 machine_opts = qemu_get_machine_opts();
4224 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4226 object_unref(OBJECT(current_machine));
4230 configure_accelerator(machine_class);
4233 Error *local_err = NULL;
4234 qtest_init(qtest_chrdev, qtest_log, &local_err);
4236 error_report("%s", error_get_pretty(local_err));
4237 error_free(local_err);
4242 machine_opts = qemu_get_machine_opts();
4243 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4244 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4245 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4246 bios_name = qemu_opt_get(machine_opts, "firmware");
4248 boot_order = machine_class->default_boot_order;
4249 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4251 char *normal_boot_order;
4252 const char *order, *once;
4254 order = qemu_opt_get(opts, "order");
4256 validate_bootdevices(order);
4260 once = qemu_opt_get(opts, "once");
4262 validate_bootdevices(once);
4263 normal_boot_order = g_strdup(boot_order);
4265 qemu_register_reset(restore_boot_order, normal_boot_order);
4268 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4269 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4272 if (!kernel_cmdline) {
4273 kernel_cmdline = "";
4274 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4277 linux_boot = (kernel_filename != NULL);
4279 if (!linux_boot && *kernel_cmdline != '\0') {
4280 fprintf(stderr, "-append only allowed with -kernel option\n");
4284 if (!linux_boot && initrd_filename != NULL) {
4285 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4289 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4290 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4294 os_set_line_buffering();
4296 qemu_init_cpu_loop();
4297 qemu_mutex_lock_iothread();
4300 /* spice needs the timers to be initialized by this point */
4304 if (icount_option && (kvm_enabled() || xen_enabled())) {
4305 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4308 configure_icount(icount_option);
4310 /* clean up network at qemu process termination */
4311 atexit(&net_cleanup);
4313 if (net_init_clients() < 0) {
4318 if (tpm_init() < 0) {
4323 /* init the bluetooth world */
4324 if (foreach_device_config(DEV_BT, bt_parse))
4327 if (!xen_enabled()) {
4328 /* On 32-bit hosts, QEMU is limited by virtual address space */
4329 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4330 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4335 cpu_exec_init_all();
4340 /* open the virtual block devices */
4342 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4343 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4344 &machine_class->block_default_type, 1) != 0) {
4348 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4350 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4351 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4353 if (nb_numa_nodes > 0) {
4356 if (nb_numa_nodes > MAX_NODES) {
4357 nb_numa_nodes = MAX_NODES;
4360 /* If no memory size if given for any node, assume the default case
4361 * and distribute the available memory equally across all nodes
4363 for (i = 0; i < nb_numa_nodes; i++) {
4364 if (node_mem[i] != 0)
4367 if (i == nb_numa_nodes) {
4368 uint64_t usedmem = 0;
4370 /* On Linux, the each node's border has to be 8MB aligned,
4371 * the final node gets the rest.
4373 for (i = 0; i < nb_numa_nodes - 1; i++) {
4374 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4375 usedmem += node_mem[i];
4377 node_mem[i] = ram_size - usedmem;
4380 for (i = 0; i < nb_numa_nodes; i++) {
4381 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4385 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4386 * must cope with this anyway, because there are BIOSes out there in
4387 * real machines which also use this scheme.
4389 if (i == nb_numa_nodes) {
4390 for (i = 0; i < max_cpus; i++) {
4391 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4396 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4400 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4402 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4404 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4406 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4409 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4412 /* If no default VGA is requested, the default is "none". */
4414 if (cirrus_vga_available()) {
4415 vga_model = "cirrus";
4416 } else if (vga_available()) {
4421 select_vgahw(vga_model);
4425 i = select_watchdog(watchdog);
4427 exit (i == 1 ? 1 : 0);
4430 if (machine_class->compat_props) {
4431 qdev_prop_register_global_list(machine_class->compat_props);
4435 qdev_machine_init();
4437 current_machine->ram_size = ram_size;
4438 current_machine->boot_order = boot_order;
4439 current_machine->cpu_model = cpu_model;
4441 machine_class->init(current_machine);
4445 cpu_synchronize_all_post_init();
4449 /* init USB devices */
4450 if (usb_enabled(false)) {
4451 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4455 /* init generic devices */
4456 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4459 net_check_clients();
4461 ds = init_displaystate();
4463 /* init local displays */
4464 switch (display_type) {
4466 (void)ds; /* avoid warning if no display is configured */
4468 #if defined(CONFIG_CURSES)
4470 curses_display_init(ds, full_screen);
4473 #if defined(CONFIG_SDL)
4475 sdl_display_init(ds, full_screen, no_frame);
4477 #elif defined(CONFIG_COCOA)
4479 cocoa_display_init(ds, full_screen);
4482 #if defined(CONFIG_GTK)
4484 gtk_display_init(ds, full_screen, grab_on_hover);
4491 /* must be after terminal init, SDL library changes signal handlers */
4492 os_setup_signal_handling();
4495 /* init remote displays */
4497 Error *local_err = NULL;
4498 vnc_display_init(ds);
4499 vnc_display_open(ds, vnc_display, &local_err);
4500 if (local_err != NULL) {
4501 error_report("Failed to start VNC server on `%s': %s",
4502 vnc_display, error_get_pretty(local_err));
4503 error_free(local_err);
4507 if (show_vnc_port) {
4508 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4514 qemu_spice_display_init();
4518 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4522 qdev_machine_creation_done();
4524 if (rom_load_all() != 0) {
4525 fprintf(stderr, "rom loading failed\n");
4529 /* TODO: once all bus devices are qdevified, this should be done
4530 * when bus is created by qdev.c */
4531 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4532 qemu_run_machine_init_done_notifiers();
4534 /* Done notifiers can load ROMs */
4537 qemu_system_reset(VMRESET_SILENT);
4539 if (load_vmstate(loadvm) < 0) {
4544 qdev_prop_check_global();
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_backend_init(trace_events, trace_file)) {