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 */
62 #include "hw/boards.h"
64 #include "hw/pcmcia.h"
65 #include "hw/i386/pc.h"
66 #include "hw/isa/isa.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/i386/smbios.h"
70 #include "hw/xen/xen.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/cache-utils.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"
106 #include "qemu/sockets.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 */ }
514 * Get machine options
516 * Returns: machine options (never null).
518 QemuOpts *qemu_get_machine_opts(void)
523 list = qemu_find_opts("machine");
525 opts = qemu_opts_find(list, NULL);
527 opts = qemu_opts_create(list, NULL, 0, &error_abort);
532 const char *qemu_get_vm_name(void)
537 static void res_free(void)
539 if (boot_splash_filedata != NULL) {
540 g_free(boot_splash_filedata);
541 boot_splash_filedata = NULL;
545 static int default_driver_check(QemuOpts *opts, void *opaque)
547 const char *driver = qemu_opt_get(opts, "driver");
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
555 *(default_list[i].flag) = 0;
560 /***********************************************************/
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
568 } RunStateTransition;
570 static const RunStateTransition runstate_transitions_def[] = {
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
585 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
591 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
594 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
597 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
599 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
600 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
603 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
605 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
607 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
608 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
610 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
612 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
613 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
616 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
617 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
618 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
621 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_MAX, RUN_STATE_MAX },
629 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
631 bool runstate_check(RunState state)
633 return current_run_state == state;
636 static void runstate_init(void)
638 const RunStateTransition *p;
640 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
642 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
643 runstate_valid_transitions[p->from][p->to] = true;
647 /* This function will abort() on invalid state transitions */
648 void runstate_set(RunState new_state)
650 assert(new_state < RUN_STATE_MAX);
652 if (!runstate_valid_transitions[current_run_state][new_state]) {
653 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
654 RunState_lookup[current_run_state],
655 RunState_lookup[new_state]);
658 trace_runstate_set(new_state);
659 current_run_state = new_state;
662 int runstate_is_running(void)
664 return runstate_check(RUN_STATE_RUNNING);
667 bool runstate_needs_reset(void)
669 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
670 runstate_check(RUN_STATE_SHUTDOWN);
673 StatusInfo *qmp_query_status(Error **errp)
675 StatusInfo *info = g_malloc0(sizeof(*info));
677 info->running = runstate_is_running();
678 info->singlestep = singlestep;
679 info->status = current_run_state;
684 /***********************************************************/
685 /* real time host monotonic timer */
687 /***********************************************************/
688 /* host time/date access */
689 void qemu_get_timedate(struct tm *tm, int offset)
695 if (rtc_date_offset == -1) {
699 localtime_r(&ti, tm);
701 ti -= rtc_date_offset;
706 int qemu_timedate_diff(struct tm *tm)
710 if (rtc_date_offset == -1)
712 seconds = mktimegm(tm);
715 tmp.tm_isdst = -1; /* use timezone to figure it out */
716 seconds = mktime(&tmp);
719 seconds = mktimegm(tm) + rtc_date_offset;
721 return seconds - time(NULL);
724 void rtc_change_mon_event(struct tm *tm)
728 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
729 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
730 qobject_decref(data);
733 static void configure_rtc_date_offset(const char *startdate, int legacy)
735 time_t rtc_start_date;
738 if (!strcmp(startdate, "now") && legacy) {
739 rtc_date_offset = -1;
741 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
749 } else if (sscanf(startdate, "%d-%d-%d",
761 rtc_start_date = mktimegm(&tm);
762 if (rtc_start_date == -1) {
764 fprintf(stderr, "Invalid date format. Valid formats are:\n"
765 "'2006-06-17T16:01:21' or '2006-06-17'\n");
768 rtc_date_offset = time(NULL) - rtc_start_date;
772 static void configure_rtc(QemuOpts *opts)
776 value = qemu_opt_get(opts, "base");
778 if (!strcmp(value, "utc")) {
780 } else if (!strcmp(value, "localtime")) {
783 configure_rtc_date_offset(value, 0);
786 value = qemu_opt_get(opts, "clock");
788 if (!strcmp(value, "host")) {
789 rtc_clock = QEMU_CLOCK_HOST;
790 } else if (!strcmp(value, "rt")) {
791 rtc_clock = QEMU_CLOCK_REALTIME;
792 } else if (!strcmp(value, "vm")) {
793 rtc_clock = QEMU_CLOCK_VIRTUAL;
795 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
799 value = qemu_opt_get(opts, "driftfix");
801 if (!strcmp(value, "slew")) {
802 static GlobalProperty slew_lost_ticks[] = {
804 .driver = "mc146818rtc",
805 .property = "lost_tick_policy",
808 { /* end of list */ }
811 qdev_prop_register_global_list(slew_lost_ticks);
812 } else if (!strcmp(value, "none")) {
813 /* discard is default */
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
821 /***********************************************************/
822 /* Bluetooth support */
825 static struct HCIInfo *hci_table[MAX_NICS];
827 struct HCIInfo *qemu_next_hci(void)
829 if (cur_hci == nb_hcis)
832 return hci_table[cur_hci++];
835 static int bt_hci_parse(const char *str)
840 if (nb_hcis >= MAX_NICS) {
841 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
854 bdaddr.b[5] = 0x56 + nb_hcis;
855 hci->bdaddr_set(hci, bdaddr.b);
857 hci_table[nb_hcis++] = hci;
862 static void bt_vhci_add(int vlan_id)
864 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
867 fprintf(stderr, "qemu: warning: adding a VHCI to "
868 "an empty scatternet %i\n", vlan_id);
870 bt_vhci_init(bt_new_hci(vlan));
873 static struct bt_device_s *bt_device_add(const char *opt)
875 struct bt_scatternet_s *vlan;
877 char *endp = strstr(opt, ",vlan=");
878 int len = (endp ? endp - opt : strlen(opt)) + 1;
881 pstrcpy(devname, MIN(sizeof(devname), len), opt);
884 vlan_id = strtol(endp + 6, &endp, 0);
886 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
891 vlan = qemu_find_bt_vlan(vlan_id);
894 fprintf(stderr, "qemu: warning: adding a slave device to "
895 "an empty scatternet %i\n", vlan_id);
897 if (!strcmp(devname, "keyboard"))
898 return bt_keyboard_init(vlan);
900 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
904 static int bt_parse(const char *opt)
906 const char *endp, *p;
909 if (strstart(opt, "hci", &endp)) {
910 if (!*endp || *endp == ',') {
912 if (!strstart(endp, ",vlan=", 0))
915 return bt_hci_parse(opt);
917 } else if (strstart(opt, "vhci", &endp)) {
918 if (!*endp || *endp == ',') {
920 if (strstart(endp, ",vlan=", &p)) {
921 vlan = strtol(p, (char **) &endp, 0);
923 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
927 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
936 } else if (strstart(opt, "device:", &endp))
937 return !bt_device_add(endp);
939 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
943 static int parse_sandbox(QemuOpts *opts, void *opaque)
945 /* FIXME: change this to true for 1.3 */
946 if (qemu_opt_get_bool(opts, "enable", false)) {
947 #ifdef CONFIG_SECCOMP
948 if (seccomp_start() < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR,
950 "failed to install seccomp syscall filter in the kernel");
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "sandboxing request but seccomp is not compiled into this build");
963 static void parse_name(QemuOpts *opts)
965 const char *proc_name;
967 if (qemu_opt_get(opts, "debug-threads")) {
968 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
970 qemu_name = qemu_opt_get(opts, "guest");
972 proc_name = qemu_opt_get(opts, "process");
974 os_set_proc_name(proc_name);
978 bool usb_enabled(bool default_usb)
980 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
981 has_defaults && default_usb);
985 static int parse_add_fd(QemuOpts *opts, void *opaque)
987 int fd, dupfd, flags;
989 const char *fd_opaque = NULL;
991 fd = qemu_opt_get_number(opts, "fd", -1);
992 fdset_id = qemu_opt_get_number(opts, "set", -1);
993 fd_opaque = qemu_opt_get(opts, "opaque");
996 qerror_report(ERROR_CLASS_GENERIC_ERROR,
997 "fd option is required and must be non-negative");
1001 if (fd <= STDERR_FILENO) {
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1003 "fd cannot be a standard I/O stream");
1008 * All fds inherited across exec() necessarily have FD_CLOEXEC
1009 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1011 flags = fcntl(fd, F_GETFD);
1012 if (flags == -1 || (flags & FD_CLOEXEC)) {
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1014 "fd is not valid or already in use");
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1020 "set option is required and must be non-negative");
1024 #ifdef F_DUPFD_CLOEXEC
1025 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1029 qemu_set_cloexec(dupfd);
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "Error duplicating fd: %s", strerror(errno));
1038 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1039 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1045 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1049 fd = qemu_opt_get_number(opts, "fd", -1);
1056 /***********************************************************/
1057 /* QEMU Block devices */
1059 #define HD_OPTS "media=disk"
1060 #define CDROM_OPTS "media=cdrom"
1062 #define PFLASH_OPTS ""
1066 static int drive_init_func(QemuOpts *opts, void *opaque)
1068 BlockInterfaceType *block_default_type = opaque;
1070 return drive_init(opts, *block_default_type) == NULL;
1073 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1075 if (NULL == qemu_opt_get(opts, "snapshot")) {
1076 qemu_opt_set(opts, "snapshot", "on");
1081 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1082 int index, const char *optstr)
1086 if (!enable || drive_get_by_index(type, index)) {
1090 opts = drive_add(type, index, NULL, optstr);
1092 drive_enable_snapshot(opts, NULL);
1094 if (!drive_init(opts, type)) {
1099 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1101 boot_set_handler = func;
1102 boot_set_opaque = opaque;
1105 int qemu_boot_set(const char *boot_order)
1107 if (!boot_set_handler) {
1110 return boot_set_handler(boot_set_opaque, boot_order);
1113 static void validate_bootdevices(const char *devices)
1115 /* We just do some generic consistency checks */
1119 for (p = devices; *p != '\0'; p++) {
1120 /* Allowed boot devices are:
1121 * a-b: floppy disk drives
1122 * c-f: IDE disk drives
1123 * g-m: machine implementation dependent drives
1124 * n-p: network devices
1125 * It's up to each machine implementation to check if the given boot
1126 * devices match the actual hardware implementation and firmware
1129 if (*p < 'a' || *p > 'p') {
1130 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1133 if (bitmap & (1 << (*p - 'a'))) {
1134 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1137 bitmap |= 1 << (*p - 'a');
1141 static void restore_boot_order(void *opaque)
1143 char *normal_boot_order = opaque;
1144 static int first = 1;
1146 /* Restore boot order and remove ourselves after the first boot */
1152 qemu_boot_set(normal_boot_order);
1154 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1155 g_free(normal_boot_order);
1158 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1161 FWBootEntry *node, *i;
1163 if (bootindex < 0) {
1167 assert(dev != NULL || suffix != NULL);
1169 node = g_malloc0(sizeof(FWBootEntry));
1170 node->bootindex = bootindex;
1171 node->suffix = g_strdup(suffix);
1174 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1175 if (i->bootindex == bootindex) {
1176 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1178 } else if (i->bootindex < bootindex) {
1181 QTAILQ_INSERT_BEFORE(i, node, link);
1184 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1187 DeviceState *get_boot_device(uint32_t position)
1189 uint32_t counter = 0;
1190 FWBootEntry *i = NULL;
1191 DeviceState *res = NULL;
1193 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1194 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1195 if (counter == position) {
1206 * This function returns null terminated string that consist of new line
1207 * separated device paths.
1209 * memory pointed by "size" is assigned total length of the array in bytes
1212 char *get_boot_devices_list(size_t *size)
1218 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1219 char *devpath = NULL, *bootpath;
1223 devpath = qdev_get_fw_dev_path(i->dev);
1227 if (i->suffix && devpath) {
1228 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1230 bootpath = g_malloc(bootpathlen);
1231 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1233 } else if (devpath) {
1237 bootpath = g_strdup(i->suffix);
1241 list[total-1] = '\n';
1243 len = strlen(bootpath) + 1;
1244 list = g_realloc(list, total + len);
1245 memcpy(&list[total], bootpath, len);
1252 if (boot_strict && *size > 0) {
1253 list[total-1] = '\n';
1254 list = g_realloc(list, total + 5);
1255 memcpy(&list[total], "HALT", 5);
1261 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1264 unsigned long long value, endvalue;
1266 /* Empty CPU range strings will be considered valid, they will simply
1267 * not set any bit in the CPU bitmap.
1273 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1276 if (*endptr == '-') {
1277 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1280 } else if (*endptr == '\0') {
1286 if (endvalue >= MAX_CPUMASK_BITS) {
1287 endvalue = MAX_CPUMASK_BITS - 1;
1289 "qemu: NUMA: A max of %d VCPUs are supported\n",
1293 if (endvalue < value) {
1297 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1301 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1305 static void numa_add(const char *optarg)
1309 unsigned long long nodenr;
1311 optarg = get_opt_name(option, 128, optarg, ',');
1312 if (*optarg == ',') {
1315 if (!strcmp(option, "node")) {
1317 if (nb_numa_nodes >= MAX_NODES) {
1318 fprintf(stderr, "qemu: too many NUMA nodes\n");
1322 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1323 nodenr = nb_numa_nodes;
1325 if (parse_uint_full(option, &nodenr, 10) < 0) {
1326 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1331 if (nodenr >= MAX_NODES) {
1332 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1336 if (get_param_value(option, 128, "mem", optarg) == 0) {
1337 node_mem[nodenr] = 0;
1340 sval = strtosz(option, &endptr);
1341 if (sval < 0 || *endptr) {
1342 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1345 node_mem[nodenr] = sval;
1347 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1348 numa_node_parse_cpus(nodenr, option);
1352 fprintf(stderr, "Invalid -numa option: %s\n", option);
1357 static QemuOptsList qemu_smp_opts = {
1359 .implied_opt_name = "cpus",
1360 .merge_lists = true,
1361 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1365 .type = QEMU_OPT_NUMBER,
1368 .type = QEMU_OPT_NUMBER,
1371 .type = QEMU_OPT_NUMBER,
1374 .type = QEMU_OPT_NUMBER,
1377 .type = QEMU_OPT_NUMBER,
1379 { /*End of list */ }
1383 static void smp_parse(QemuOpts *opts)
1387 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1388 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1389 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1390 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1392 /* compute missing values, prefer sockets over cores over threads */
1393 if (cpus == 0 || sockets == 0) {
1394 sockets = sockets > 0 ? sockets : 1;
1395 cores = cores > 0 ? cores : 1;
1396 threads = threads > 0 ? threads : 1;
1398 cpus = cores * threads * sockets;
1402 threads = threads > 0 ? threads : 1;
1403 cores = cpus / (sockets * threads);
1405 threads = cpus / (cores * sockets);
1409 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1412 smp_cores = cores > 0 ? cores : 1;
1413 smp_threads = threads > 0 ? threads : 1;
1417 if (max_cpus == 0) {
1418 max_cpus = smp_cpus;
1421 if (max_cpus > 255) {
1422 fprintf(stderr, "Unsupported number of maxcpus\n");
1425 if (max_cpus < smp_cpus) {
1426 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1432 static void configure_realtime(QemuOpts *opts)
1436 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1439 if (os_mlock() < 0) {
1440 fprintf(stderr, "qemu: locking memory failed\n");
1447 static void configure_msg(QemuOpts *opts)
1449 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1452 /***********************************************************/
1455 static int usb_device_add(const char *devname)
1457 USBDevice *dev = NULL;
1458 #ifndef CONFIG_LINUX
1462 if (!usb_enabled(false)) {
1466 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1467 dev = usbdevice_create(devname);
1471 /* the other ones */
1472 #ifndef CONFIG_LINUX
1473 /* only the linux version is qdev-ified, usb-bsd still needs this */
1474 if (strstart(devname, "host:", &p)) {
1475 dev = usb_host_device_open(usb_bus_find(-1), p);
1485 static int usb_device_del(const char *devname)
1490 if (strstart(devname, "host:", &p)) {
1494 if (!usb_enabled(false)) {
1498 p = strchr(devname, '.');
1501 bus_num = strtoul(devname, NULL, 0);
1502 addr = strtoul(p + 1, NULL, 0);
1504 return usb_device_delete_addr(bus_num, addr);
1507 static int usb_parse(const char *cmdline)
1510 r = usb_device_add(cmdline);
1512 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1517 void do_usb_add(Monitor *mon, const QDict *qdict)
1519 const char *devname = qdict_get_str(qdict, "devname");
1520 if (usb_device_add(devname) < 0) {
1521 error_report("could not add USB device '%s'", devname);
1525 void do_usb_del(Monitor *mon, const QDict *qdict)
1527 const char *devname = qdict_get_str(qdict, "devname");
1528 if (usb_device_del(devname) < 0) {
1529 error_report("could not delete USB device '%s'", devname);
1533 /***********************************************************/
1534 /* PCMCIA/Cardbus */
1536 static struct pcmcia_socket_entry_s {
1537 PCMCIASocket *socket;
1538 struct pcmcia_socket_entry_s *next;
1539 } *pcmcia_sockets = 0;
1541 void pcmcia_socket_register(PCMCIASocket *socket)
1543 struct pcmcia_socket_entry_s *entry;
1545 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1546 entry->socket = socket;
1547 entry->next = pcmcia_sockets;
1548 pcmcia_sockets = entry;
1551 void pcmcia_socket_unregister(PCMCIASocket *socket)
1553 struct pcmcia_socket_entry_s *entry, **ptr;
1555 ptr = &pcmcia_sockets;
1556 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1557 if (entry->socket == socket) {
1563 void pcmcia_info(Monitor *mon, const QDict *qdict)
1565 struct pcmcia_socket_entry_s *iter;
1567 if (!pcmcia_sockets)
1568 monitor_printf(mon, "No PCMCIA sockets\n");
1570 for (iter = pcmcia_sockets; iter; iter = iter->next)
1571 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1572 iter->socket->attached ? iter->socket->card_string :
1576 /***********************************************************/
1577 /* machine registration */
1579 MachineState *current_machine;
1581 static void machine_class_init(ObjectClass *oc, void *data)
1583 MachineClass *mc = MACHINE_CLASS(oc);
1585 mc->qemu_machine = data;
1588 int qemu_register_machine(QEMUMachine *m)
1591 .name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL),
1592 .parent = TYPE_MACHINE,
1593 .class_init = machine_class_init,
1594 .class_data = (void *)m,
1602 static MachineClass *find_machine(const char *name)
1604 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1605 MachineClass *mc = NULL;
1607 for (el = machines; el; el = el->next) {
1608 MachineClass *temp = el->data;
1610 if (!strcmp(temp->qemu_machine->name, name)) {
1614 if (temp->qemu_machine->alias &&
1615 !strcmp(temp->qemu_machine->alias, name)) {
1621 g_slist_free(machines);
1625 MachineClass *find_default_machine(void)
1627 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1628 MachineClass *mc = NULL;
1630 for (el = machines; el; el = el->next) {
1631 MachineClass *temp = el->data;
1633 if (temp->qemu_machine->is_default) {
1639 g_slist_free(machines);
1643 MachineInfoList *qmp_query_machines(Error **errp)
1645 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1646 MachineInfoList *mach_list = NULL;
1649 for (el = machines; el; el = el->next) {
1650 MachineClass *mc = el->data;
1651 MachineInfoList *entry;
1654 m = mc->qemu_machine;
1655 info = g_malloc0(sizeof(*info));
1656 if (m->is_default) {
1657 info->has_is_default = true;
1658 info->is_default = true;
1662 info->has_alias = true;
1663 info->alias = g_strdup(m->alias);
1666 info->name = g_strdup(m->name);
1667 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1669 entry = g_malloc0(sizeof(*entry));
1670 entry->value = info;
1671 entry->next = mach_list;
1675 g_slist_free(machines);
1679 /***********************************************************/
1680 /* main execution loop */
1682 struct vm_change_state_entry {
1683 VMChangeStateHandler *cb;
1685 QLIST_ENTRY (vm_change_state_entry) entries;
1688 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1690 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1693 VMChangeStateEntry *e;
1695 e = g_malloc0(sizeof (*e));
1699 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1703 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1705 QLIST_REMOVE (e, entries);
1709 void vm_state_notify(int running, RunState state)
1711 VMChangeStateEntry *e;
1713 trace_vm_state_notify(running, state);
1715 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1716 e->cb(e->opaque, running, state);
1722 if (!runstate_is_running()) {
1724 runstate_set(RUN_STATE_RUNNING);
1725 vm_state_notify(1, RUN_STATE_RUNNING);
1727 monitor_protocol_event(QEVENT_RESUME, NULL);
1731 /* reset/shutdown handler */
1733 typedef struct QEMUResetEntry {
1734 QTAILQ_ENTRY(QEMUResetEntry) entry;
1735 QEMUResetHandler *func;
1739 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1740 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1741 static int reset_requested;
1742 static int shutdown_requested, shutdown_signal = -1;
1743 static pid_t shutdown_pid;
1744 static int powerdown_requested;
1745 static int debug_requested;
1746 static int suspend_requested;
1747 static WakeupReason wakeup_reason;
1748 static NotifierList powerdown_notifiers =
1749 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1750 static NotifierList suspend_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1752 static NotifierList wakeup_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1754 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1755 static RunState vmstop_requested = RUN_STATE_MAX;
1757 int qemu_shutdown_requested_get(void)
1759 return shutdown_requested;
1762 int qemu_reset_requested_get(void)
1764 return reset_requested;
1767 static int qemu_shutdown_requested(void)
1769 int r = shutdown_requested;
1770 shutdown_requested = 0;
1774 static void qemu_kill_report(void)
1776 if (!qtest_driver() && shutdown_signal != -1) {
1777 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1778 if (shutdown_pid == 0) {
1779 /* This happens for eg ^C at the terminal, so it's worth
1780 * avoiding printing an odd message in that case.
1782 fputc('\n', stderr);
1784 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1786 shutdown_signal = -1;
1790 static int qemu_reset_requested(void)
1792 int r = reset_requested;
1793 reset_requested = 0;
1797 static int qemu_suspend_requested(void)
1799 int r = suspend_requested;
1800 suspend_requested = 0;
1804 static WakeupReason qemu_wakeup_requested(void)
1806 return wakeup_reason;
1809 static int qemu_powerdown_requested(void)
1811 int r = powerdown_requested;
1812 powerdown_requested = 0;
1816 static int qemu_debug_requested(void)
1818 int r = debug_requested;
1819 debug_requested = 0;
1823 /* We use RUN_STATE_MAX but any invalid value will do */
1824 static bool qemu_vmstop_requested(RunState *r)
1826 if (vmstop_requested < RUN_STATE_MAX) {
1827 *r = vmstop_requested;
1828 vmstop_requested = RUN_STATE_MAX;
1835 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1837 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1840 re->opaque = opaque;
1841 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1844 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1848 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1849 if (re->func == func && re->opaque == opaque) {
1850 QTAILQ_REMOVE(&reset_handlers, re, entry);
1857 void qemu_devices_reset(void)
1859 QEMUResetEntry *re, *nre;
1861 /* reset all devices */
1862 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1863 re->func(re->opaque);
1867 void qemu_system_reset(bool report)
1871 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1873 if (mc && mc->qemu_machine->reset) {
1874 mc->qemu_machine->reset();
1876 qemu_devices_reset();
1879 monitor_protocol_event(QEVENT_RESET, NULL);
1881 cpu_synchronize_all_post_reset();
1884 void qemu_system_reset_request(void)
1887 shutdown_requested = 1;
1889 reset_requested = 1;
1892 qemu_notify_event();
1895 static void qemu_system_suspend(void)
1898 notifier_list_notify(&suspend_notifiers, NULL);
1899 runstate_set(RUN_STATE_SUSPENDED);
1900 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1903 void qemu_system_suspend_request(void)
1905 if (runstate_check(RUN_STATE_SUSPENDED)) {
1908 suspend_requested = 1;
1910 qemu_notify_event();
1913 void qemu_register_suspend_notifier(Notifier *notifier)
1915 notifier_list_add(&suspend_notifiers, notifier);
1918 void qemu_system_wakeup_request(WakeupReason reason)
1920 trace_system_wakeup_request(reason);
1922 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1925 if (!(wakeup_reason_mask & (1 << reason))) {
1928 runstate_set(RUN_STATE_RUNNING);
1929 wakeup_reason = reason;
1930 qemu_notify_event();
1933 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1936 wakeup_reason_mask |= (1 << reason);
1938 wakeup_reason_mask &= ~(1 << reason);
1942 void qemu_register_wakeup_notifier(Notifier *notifier)
1944 notifier_list_add(&wakeup_notifiers, notifier);
1947 void qemu_system_killed(int signal, pid_t pid)
1949 shutdown_signal = signal;
1952 qemu_system_shutdown_request();
1955 void qemu_system_shutdown_request(void)
1957 shutdown_requested = 1;
1958 qemu_notify_event();
1961 static void qemu_system_powerdown(void)
1963 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1964 notifier_list_notify(&powerdown_notifiers, NULL);
1967 void qemu_system_powerdown_request(void)
1969 powerdown_requested = 1;
1970 qemu_notify_event();
1973 void qemu_register_powerdown_notifier(Notifier *notifier)
1975 notifier_list_add(&powerdown_notifiers, notifier);
1978 void qemu_system_debug_request(void)
1980 debug_requested = 1;
1981 qemu_notify_event();
1984 void qemu_system_vmstop_request(RunState state)
1986 vmstop_requested = state;
1987 qemu_notify_event();
1990 static bool main_loop_should_exit(void)
1993 if (qemu_debug_requested()) {
1994 vm_stop(RUN_STATE_DEBUG);
1996 if (qemu_suspend_requested()) {
1997 qemu_system_suspend();
1999 if (qemu_shutdown_requested()) {
2001 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2003 vm_stop(RUN_STATE_SHUTDOWN);
2008 if (qemu_reset_requested()) {
2010 cpu_synchronize_all_states();
2011 qemu_system_reset(VMRESET_REPORT);
2013 if (runstate_needs_reset()) {
2014 runstate_set(RUN_STATE_PAUSED);
2017 if (qemu_wakeup_requested()) {
2019 cpu_synchronize_all_states();
2020 qemu_system_reset(VMRESET_SILENT);
2021 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2022 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2024 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2026 if (qemu_powerdown_requested()) {
2027 qemu_system_powerdown();
2029 if (qemu_vmstop_requested(&r)) {
2035 static void main_loop(void)
2039 #ifdef CONFIG_PROFILER
2043 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2044 #ifdef CONFIG_PROFILER
2045 ti = profile_getclock();
2047 last_io = main_loop_wait(nonblocking);
2048 #ifdef CONFIG_PROFILER
2049 dev_time += profile_getclock() - ti;
2051 } while (!main_loop_should_exit());
2054 static void version(void)
2056 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2059 static void help(int exitcode)
2062 printf("usage: %s [options] [disk_image]\n\n"
2063 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2064 error_get_progname());
2066 #define QEMU_OPTIONS_GENERATE_HELP
2067 #include "qemu-options-wrapper.h"
2069 printf("\nDuring emulation, the following keys are useful:\n"
2070 "ctrl-alt-f toggle full screen\n"
2071 "ctrl-alt-n switch to virtual console 'n'\n"
2072 "ctrl-alt toggle mouse and keyboard grab\n"
2074 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2079 #define HAS_ARG 0x0001
2081 typedef struct QEMUOption {
2088 static const QEMUOption qemu_options[] = {
2089 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2090 #define QEMU_OPTIONS_GENERATE_OPTIONS
2091 #include "qemu-options-wrapper.h"
2095 static bool vga_available(void)
2097 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2100 static bool cirrus_vga_available(void)
2102 return object_class_by_name("cirrus-vga")
2103 || object_class_by_name("isa-cirrus-vga");
2106 static bool vmware_vga_available(void)
2108 return object_class_by_name("vmware-svga");
2111 static bool qxl_vga_available(void)
2113 return object_class_by_name("qxl-vga");
2116 static bool tcx_vga_available(void)
2118 return object_class_by_name("SUNW,tcx");
2121 static bool cg3_vga_available(void)
2123 return object_class_by_name("cgthree");
2126 static void select_vgahw (const char *p)
2130 assert(vga_interface_type == VGA_NONE);
2131 if (strstart(p, "std", &opts)) {
2132 if (vga_available()) {
2133 vga_interface_type = VGA_STD;
2135 fprintf(stderr, "Error: standard VGA not available\n");
2138 } else if (strstart(p, "cirrus", &opts)) {
2139 if (cirrus_vga_available()) {
2140 vga_interface_type = VGA_CIRRUS;
2142 fprintf(stderr, "Error: Cirrus VGA not available\n");
2145 } else if (strstart(p, "vmware", &opts)) {
2146 if (vmware_vga_available()) {
2147 vga_interface_type = VGA_VMWARE;
2149 fprintf(stderr, "Error: VMWare SVGA not available\n");
2152 } else if (strstart(p, "xenfb", &opts)) {
2153 vga_interface_type = VGA_XENFB;
2154 } else if (strstart(p, "qxl", &opts)) {
2155 if (qxl_vga_available()) {
2156 vga_interface_type = VGA_QXL;
2158 fprintf(stderr, "Error: QXL VGA not available\n");
2161 } else if (strstart(p, "tcx", &opts)) {
2162 if (tcx_vga_available()) {
2163 vga_interface_type = VGA_TCX;
2165 fprintf(stderr, "Error: TCX framebuffer not available\n");
2168 } else if (strstart(p, "cg3", &opts)) {
2169 if (cg3_vga_available()) {
2170 vga_interface_type = VGA_CG3;
2172 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2175 } else if (!strstart(p, "none", &opts)) {
2177 fprintf(stderr, "Unknown vga type: %s\n", p);
2181 const char *nextopt;
2183 if (strstart(opts, ",retrace=", &nextopt)) {
2185 if (strstart(opts, "dumb", &nextopt))
2186 vga_retrace_method = VGA_RETRACE_DUMB;
2187 else if (strstart(opts, "precise", &nextopt))
2188 vga_retrace_method = VGA_RETRACE_PRECISE;
2189 else goto invalid_vga;
2190 } else goto invalid_vga;
2195 static DisplayType select_display(const char *p)
2198 DisplayType display = DT_DEFAULT;
2200 if (strstart(p, "sdl", &opts)) {
2204 const char *nextopt;
2206 if (strstart(opts, ",frame=", &nextopt)) {
2208 if (strstart(opts, "on", &nextopt)) {
2210 } else if (strstart(opts, "off", &nextopt)) {
2213 goto invalid_sdl_args;
2215 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2217 if (strstart(opts, "on", &nextopt)) {
2219 } else if (strstart(opts, "off", &nextopt)) {
2222 goto invalid_sdl_args;
2224 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2226 if (strstart(opts, "on", &nextopt)) {
2228 } else if (strstart(opts, "off", &nextopt)) {
2231 goto invalid_sdl_args;
2233 } else if (strstart(opts, ",window_close=", &nextopt)) {
2235 if (strstart(opts, "on", &nextopt)) {
2237 } else if (strstart(opts, "off", &nextopt)) {
2240 goto invalid_sdl_args;
2244 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2250 fprintf(stderr, "SDL support is disabled\n");
2253 } else if (strstart(p, "vnc", &opts)) {
2258 const char *nextopt;
2260 if (strstart(opts, "=", &nextopt)) {
2261 vnc_display = nextopt;
2265 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2269 fprintf(stderr, "VNC support is disabled\n");
2272 } else if (strstart(p, "curses", &opts)) {
2273 #ifdef CONFIG_CURSES
2274 display = DT_CURSES;
2276 fprintf(stderr, "Curses support is disabled\n");
2279 } else if (strstart(p, "gtk", &opts)) {
2283 const char *nextopt;
2285 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2287 if (strstart(opts, "on", &nextopt)) {
2288 grab_on_hover = true;
2289 } else if (strstart(opts, "off", &nextopt)) {
2290 grab_on_hover = false;
2292 goto invalid_gtk_args;
2296 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2302 fprintf(stderr, "GTK support is disabled\n");
2305 } else if (strstart(p, "none", &opts)) {
2308 fprintf(stderr, "Unknown display type: %s\n", p);
2315 static int balloon_parse(const char *arg)
2319 if (strcmp(arg, "none") == 0) {
2323 if (!strncmp(arg, "virtio", 6)) {
2324 if (arg[6] == ',') {
2325 /* have params -> parse them */
2326 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2330 /* create empty opts */
2331 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2334 qemu_opt_set(opts, "driver", "virtio-balloon");
2341 char *qemu_find_file(int type, const char *name)
2347 /* Try the name as a straight path first */
2348 if (access(name, R_OK) == 0) {
2349 trace_load_file(name, name);
2350 return g_strdup(name);
2354 case QEMU_FILE_TYPE_BIOS:
2357 case QEMU_FILE_TYPE_KEYMAP:
2358 subdir = "keymaps/";
2364 for (i = 0; i < data_dir_idx; i++) {
2365 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2366 if (access(buf, R_OK) == 0) {
2367 trace_load_file(name, buf);
2375 static int device_help_func(QemuOpts *opts, void *opaque)
2377 return qdev_device_help(opts);
2380 static int device_init_func(QemuOpts *opts, void *opaque)
2384 dev = qdev_device_add(opts);
2387 object_unref(OBJECT(dev));
2391 static int chardev_init_func(QemuOpts *opts, void *opaque)
2393 Error *local_err = NULL;
2395 qemu_chr_new_from_opts(opts, NULL, &local_err);
2397 error_report("%s", error_get_pretty(local_err));
2398 error_free(local_err);
2404 #ifdef CONFIG_VIRTFS
2405 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2408 ret = qemu_fsdev_add(opts);
2414 static int mon_init_func(QemuOpts *opts, void *opaque)
2416 CharDriverState *chr;
2417 const char *chardev;
2421 mode = qemu_opt_get(opts, "mode");
2425 if (strcmp(mode, "readline") == 0) {
2426 flags = MONITOR_USE_READLINE;
2427 } else if (strcmp(mode, "control") == 0) {
2428 flags = MONITOR_USE_CONTROL;
2430 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2434 if (qemu_opt_get_bool(opts, "pretty", 0))
2435 flags |= MONITOR_USE_PRETTY;
2437 if (qemu_opt_get_bool(opts, "default", 0))
2438 flags |= MONITOR_IS_DEFAULT;
2440 chardev = qemu_opt_get(opts, "chardev");
2441 chr = qemu_chr_find(chardev);
2443 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2447 qemu_chr_fe_claim_no_fail(chr);
2448 monitor_init(chr, flags);
2452 static void monitor_parse(const char *optarg, const char *mode)
2454 static int monitor_device_index = 0;
2460 if (strstart(optarg, "chardev:", &p)) {
2461 snprintf(label, sizeof(label), "%s", p);
2463 snprintf(label, sizeof(label), "compat_monitor%d",
2464 monitor_device_index);
2465 if (monitor_device_index == 0) {
2468 opts = qemu_chr_parse_compat(label, optarg);
2470 fprintf(stderr, "parse error: %s\n", optarg);
2475 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2477 fprintf(stderr, "duplicate chardev: %s\n", label);
2480 qemu_opt_set(opts, "mode", mode);
2481 qemu_opt_set(opts, "chardev", label);
2483 qemu_opt_set(opts, "default", "on");
2484 monitor_device_index++;
2487 struct device_config {
2489 DEV_USB, /* -usbdevice */
2491 DEV_SERIAL, /* -serial */
2492 DEV_PARALLEL, /* -parallel */
2493 DEV_VIRTCON, /* -virtioconsole */
2494 DEV_DEBUGCON, /* -debugcon */
2495 DEV_GDB, /* -gdb, -s */
2496 DEV_SCLP, /* s390 sclp */
2498 const char *cmdline;
2500 QTAILQ_ENTRY(device_config) next;
2503 static QTAILQ_HEAD(, device_config) device_configs =
2504 QTAILQ_HEAD_INITIALIZER(device_configs);
2506 static void add_device_config(int type, const char *cmdline)
2508 struct device_config *conf;
2510 conf = g_malloc0(sizeof(*conf));
2512 conf->cmdline = cmdline;
2513 loc_save(&conf->loc);
2514 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2517 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2519 struct device_config *conf;
2522 QTAILQ_FOREACH(conf, &device_configs, next) {
2523 if (conf->type != type)
2525 loc_push_restore(&conf->loc);
2526 rc = func(conf->cmdline);
2527 loc_pop(&conf->loc);
2534 static int serial_parse(const char *devname)
2536 static int index = 0;
2539 if (strcmp(devname, "none") == 0)
2541 if (index == MAX_SERIAL_PORTS) {
2542 fprintf(stderr, "qemu: too many serial ports\n");
2545 snprintf(label, sizeof(label), "serial%d", index);
2546 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2547 if (!serial_hds[index]) {
2548 fprintf(stderr, "qemu: could not connect serial device"
2549 " to character backend '%s'\n", devname);
2556 static int parallel_parse(const char *devname)
2558 static int index = 0;
2561 if (strcmp(devname, "none") == 0)
2563 if (index == MAX_PARALLEL_PORTS) {
2564 fprintf(stderr, "qemu: too many parallel ports\n");
2567 snprintf(label, sizeof(label), "parallel%d", index);
2568 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2569 if (!parallel_hds[index]) {
2570 fprintf(stderr, "qemu: could not connect parallel device"
2571 " to character backend '%s'\n", devname);
2578 static int virtcon_parse(const char *devname)
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2583 QemuOpts *bus_opts, *dev_opts;
2585 if (strcmp(devname, "none") == 0)
2587 if (index == MAX_VIRTIO_CONSOLES) {
2588 fprintf(stderr, "qemu: too many virtio consoles\n");
2592 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2593 if (arch_type == QEMU_ARCH_S390X) {
2594 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2596 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2599 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2600 qemu_opt_set(dev_opts, "driver", "virtconsole");
2602 snprintf(label, sizeof(label), "virtcon%d", index);
2603 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2604 if (!virtcon_hds[index]) {
2605 fprintf(stderr, "qemu: could not connect virtio console"
2606 " to character backend '%s'\n", devname);
2609 qemu_opt_set(dev_opts, "chardev", label);
2615 static int sclp_parse(const char *devname)
2617 QemuOptsList *device = qemu_find_opts("device");
2618 static int index = 0;
2622 if (strcmp(devname, "none") == 0) {
2625 if (index == MAX_SCLP_CONSOLES) {
2626 fprintf(stderr, "qemu: too many sclp consoles\n");
2630 assert(arch_type == QEMU_ARCH_S390X);
2632 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2633 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2635 snprintf(label, sizeof(label), "sclpcon%d", index);
2636 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2637 if (!sclp_hds[index]) {
2638 fprintf(stderr, "qemu: could not connect sclp console"
2639 " to character backend '%s'\n", devname);
2642 qemu_opt_set(dev_opts, "chardev", label);
2648 static int debugcon_parse(const char *devname)
2652 if (!qemu_chr_new("debugcon", devname, NULL)) {
2655 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2657 fprintf(stderr, "qemu: already have a debugcon device\n");
2660 qemu_opt_set(opts, "driver", "isa-debugcon");
2661 qemu_opt_set(opts, "chardev", "debugcon");
2665 static MachineClass *machine_parse(const char *name)
2667 MachineClass *mc = NULL;
2668 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2671 mc = find_machine(name);
2676 if (name && !is_help_option(name)) {
2677 error_report("Unsupported machine type");
2678 error_printf("Use -machine help to list supported machines!\n");
2680 printf("Supported machines are:\n");
2681 for (el = machines; el; el = el->next) {
2682 MachineClass *mc = el->data;
2683 QEMUMachine *m = mc->qemu_machine;
2685 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2687 printf("%-20s %s%s\n", m->name, m->desc,
2688 m->is_default ? " (default)" : "");
2692 g_slist_free(machines);
2693 exit(!name || !is_help_option(name));
2696 static int tcg_init(QEMUMachine *machine)
2698 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2703 const char *opt_name;
2705 int (*available)(void);
2706 int (*init)(QEMUMachine *);
2709 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2710 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2711 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2712 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2715 static int configure_accelerator(QEMUMachine *machine)
2720 bool accel_initialised = false;
2721 bool init_failed = false;
2723 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2725 /* Use the default "accelerator", tcg */
2729 while (!accel_initialised && *p != '\0') {
2733 p = get_opt_name(buf, sizeof (buf), p, ':');
2734 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2735 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2736 if (!accel_list[i].available()) {
2737 printf("%s not supported for this target\n",
2738 accel_list[i].name);
2741 *(accel_list[i].allowed) = true;
2742 ret = accel_list[i].init(machine);
2745 fprintf(stderr, "failed to initialize %s: %s\n",
2748 *(accel_list[i].allowed) = false;
2750 accel_initialised = true;
2755 if (i == ARRAY_SIZE(accel_list)) {
2756 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2760 if (!accel_initialised) {
2762 fprintf(stderr, "No accelerator found!\n");
2768 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2771 return !accel_initialised;
2774 void qemu_add_exit_notifier(Notifier *notify)
2776 notifier_list_add(&exit_notifiers, notify);
2779 void qemu_remove_exit_notifier(Notifier *notify)
2781 notifier_remove(notify);
2784 static void qemu_run_exit_notifiers(void)
2786 notifier_list_notify(&exit_notifiers, NULL);
2789 void qemu_add_machine_init_done_notifier(Notifier *notify)
2791 notifier_list_add(&machine_init_done_notifiers, notify);
2794 static void qemu_run_machine_init_done_notifiers(void)
2796 notifier_list_notify(&machine_init_done_notifiers, NULL);
2799 static const QEMUOption *lookup_opt(int argc, char **argv,
2800 const char **poptarg, int *poptind)
2802 const QEMUOption *popt;
2803 int optind = *poptind;
2804 char *r = argv[optind];
2807 loc_set_cmdline(argv, optind, 1);
2809 /* Treat --foo the same as -foo. */
2812 popt = qemu_options;
2815 error_report("invalid option");
2818 if (!strcmp(popt->name, r + 1))
2822 if (popt->flags & HAS_ARG) {
2823 if (optind >= argc) {
2824 error_report("requires an argument");
2827 optarg = argv[optind++];
2828 loc_set_cmdline(argv, optind - 2, 2);
2839 static gpointer malloc_and_trace(gsize n_bytes)
2841 void *ptr = malloc(n_bytes);
2842 trace_g_malloc(n_bytes, ptr);
2846 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2848 void *ptr = realloc(mem, n_bytes);
2849 trace_g_realloc(mem, n_bytes, ptr);
2853 static void free_and_trace(gpointer mem)
2859 static int object_set_property(const char *name, const char *value, void *opaque)
2861 Object *obj = OBJECT(opaque);
2862 StringInputVisitor *siv;
2863 Error *local_err = NULL;
2865 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2869 siv = string_input_visitor_new(value);
2870 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2871 string_input_visitor_cleanup(siv);
2874 qerror_report_err(local_err);
2875 error_free(local_err);
2882 static int object_create(QemuOpts *opts, void *opaque)
2884 const char *type = qemu_opt_get(opts, "qom-type");
2885 const char *id = qemu_opts_id(opts);
2886 Error *local_err = NULL;
2889 g_assert(type != NULL);
2892 qerror_report(QERR_MISSING_PARAMETER, "id");
2896 obj = object_new(type);
2897 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2902 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2903 error_setg(&local_err, "object '%s' isn't supported by -object",
2908 user_creatable_complete(obj, &local_err);
2913 object_property_add_child(container_get(object_get_root(), "/objects"),
2914 id, obj, &local_err);
2919 qerror_report_err(local_err);
2920 error_free(local_err);
2926 int main(int argc, char **argv, char **envp)
2929 int snapshot, linux_boot;
2930 const char *icount_option = NULL;
2931 const char *initrd_filename;
2932 const char *kernel_filename, *kernel_cmdline;
2933 const char *boot_order;
2935 int cyls, heads, secs, translation;
2936 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2937 QemuOptsList *olist;
2940 const char *loadvm = NULL;
2941 MachineClass *machine_class;
2942 QEMUMachine *machine;
2943 const char *cpu_model;
2944 const char *vga_model = NULL;
2945 const char *qtest_chrdev = NULL;
2946 const char *qtest_log = NULL;
2947 const char *pid_file = NULL;
2948 const char *incoming = NULL;
2950 int show_vnc_port = 0;
2952 bool defconfig = true;
2953 bool userconfig = true;
2954 const char *log_mask = NULL;
2955 const char *log_file = NULL;
2956 GMemVTable mem_trace = {
2957 .malloc = malloc_and_trace,
2958 .realloc = realloc_and_trace,
2959 .free = free_and_trace,
2961 const char *trace_events = NULL;
2962 const char *trace_file = NULL;
2964 atexit(qemu_run_exit_notifiers);
2965 error_set_progname(argv[0]);
2966 qemu_init_exec_dir(argv[0]);
2968 g_mem_set_vtable(&mem_trace);
2969 if (!g_thread_supported()) {
2970 #if !GLIB_CHECK_VERSION(2, 31, 0)
2971 g_thread_init(NULL);
2973 fprintf(stderr, "glib threading failed to initialize.\n");
2978 module_call_init(MODULE_INIT_QOM);
2980 qemu_add_opts(&qemu_drive_opts);
2981 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2982 qemu_add_drive_opts(&qemu_common_drive_opts);
2983 qemu_add_drive_opts(&qemu_drive_opts);
2984 qemu_add_opts(&qemu_chardev_opts);
2985 qemu_add_opts(&qemu_device_opts);
2986 qemu_add_opts(&qemu_netdev_opts);
2987 qemu_add_opts(&qemu_net_opts);
2988 qemu_add_opts(&qemu_rtc_opts);
2989 qemu_add_opts(&qemu_global_opts);
2990 qemu_add_opts(&qemu_mon_opts);
2991 qemu_add_opts(&qemu_trace_opts);
2992 qemu_add_opts(&qemu_option_rom_opts);
2993 qemu_add_opts(&qemu_machine_opts);
2994 qemu_add_opts(&qemu_smp_opts);
2995 qemu_add_opts(&qemu_boot_opts);
2996 qemu_add_opts(&qemu_sandbox_opts);
2997 qemu_add_opts(&qemu_add_fd_opts);
2998 qemu_add_opts(&qemu_object_opts);
2999 qemu_add_opts(&qemu_tpmdev_opts);
3000 qemu_add_opts(&qemu_realtime_opts);
3001 qemu_add_opts(&qemu_msg_opts);
3002 qemu_add_opts(&qemu_name_opts);
3007 rtc_clock = QEMU_CLOCK_HOST;
3009 qemu_init_auxval(envp);
3010 qemu_cache_utils_init();
3012 QLIST_INIT (&vm_change_state_head);
3013 os_setup_early_signal_handling();
3015 module_call_init(MODULE_INIT_MACHINE);
3016 machine_class = find_default_machine();
3020 cyls = heads = secs = 0;
3021 translation = BIOS_ATA_TRANSLATION_AUTO;
3023 for (i = 0; i < MAX_NODES; i++) {
3025 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3031 bdrv_init_with_whitelist();
3035 /* first pass of option parsing */
3037 while (optind < argc) {
3038 if (argv[optind][0] != '-') {
3043 const QEMUOption *popt;
3045 popt = lookup_opt(argc, argv, &optarg, &optind);
3046 switch (popt->index) {
3047 case QEMU_OPTION_nodefconfig:
3050 case QEMU_OPTION_nouserconfig:
3059 ret = qemu_read_default_config_files(userconfig);
3065 /* second pass of option parsing */
3070 if (argv[optind][0] != '-') {
3071 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3073 const QEMUOption *popt;
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 if (!(popt->arch_mask & arch_type)) {
3077 printf("Option %s not supported for this target\n", popt->name);
3080 switch(popt->index) {
3082 machine_class = machine_parse(optarg);
3084 case QEMU_OPTION_no_kvm_irqchip: {
3085 olist = qemu_find_opts("machine");
3086 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3089 case QEMU_OPTION_cpu:
3090 /* hw initialization will check this */
3093 case QEMU_OPTION_hda:
3097 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3099 snprintf(buf, sizeof(buf),
3100 "%s,cyls=%d,heads=%d,secs=%d%s",
3101 HD_OPTS , cyls, heads, secs,
3102 translation == BIOS_ATA_TRANSLATION_LBA ?
3104 translation == BIOS_ATA_TRANSLATION_NONE ?
3105 ",trans=none" : "");
3106 drive_add(IF_DEFAULT, 0, optarg, buf);
3109 case QEMU_OPTION_hdb:
3110 case QEMU_OPTION_hdc:
3111 case QEMU_OPTION_hdd:
3112 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3115 case QEMU_OPTION_drive:
3116 if (drive_def(optarg) == NULL) {
3120 case QEMU_OPTION_set:
3121 if (qemu_set_option(optarg) != 0)
3124 case QEMU_OPTION_global:
3125 if (qemu_global_option(optarg) != 0)
3128 case QEMU_OPTION_mtdblock:
3129 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3131 case QEMU_OPTION_sd:
3132 drive_add(IF_SD, -1, optarg, SD_OPTS);
3134 case QEMU_OPTION_pflash:
3135 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3137 case QEMU_OPTION_snapshot:
3140 case QEMU_OPTION_hdachs:
3144 cyls = strtol(p, (char **)&p, 0);
3145 if (cyls < 1 || cyls > 16383)
3150 heads = strtol(p, (char **)&p, 0);
3151 if (heads < 1 || heads > 16)
3156 secs = strtol(p, (char **)&p, 0);
3157 if (secs < 1 || secs > 63)
3161 if (!strcmp(p, "large")) {
3162 translation = BIOS_ATA_TRANSLATION_LARGE;
3163 } else if (!strcmp(p, "rechs")) {
3164 translation = BIOS_ATA_TRANSLATION_RECHS;
3165 } else if (!strcmp(p, "none")) {
3166 translation = BIOS_ATA_TRANSLATION_NONE;
3167 } else if (!strcmp(p, "lba")) {
3168 translation = BIOS_ATA_TRANSLATION_LBA;
3169 } else if (!strcmp(p, "auto")) {
3170 translation = BIOS_ATA_TRANSLATION_AUTO;
3174 } else if (*p != '\0') {
3176 fprintf(stderr, "qemu: invalid physical CHS format\n");
3179 if (hda_opts != NULL) {
3181 snprintf(num, sizeof(num), "%d", cyls);
3182 qemu_opt_set(hda_opts, "cyls", num);
3183 snprintf(num, sizeof(num), "%d", heads);
3184 qemu_opt_set(hda_opts, "heads", num);
3185 snprintf(num, sizeof(num), "%d", secs);
3186 qemu_opt_set(hda_opts, "secs", num);
3187 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3188 qemu_opt_set(hda_opts, "trans", "large");
3189 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3190 qemu_opt_set(hda_opts, "trans", "rechs");
3191 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3192 qemu_opt_set(hda_opts, "trans", "lba");
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none");
3199 case QEMU_OPTION_numa:
3202 case QEMU_OPTION_display:
3203 display_type = select_display(optarg);
3205 case QEMU_OPTION_nographic:
3206 display_type = DT_NOGRAPHIC;
3208 case QEMU_OPTION_curses:
3209 #ifdef CONFIG_CURSES
3210 display_type = DT_CURSES;
3212 fprintf(stderr, "Curses support is disabled\n");
3216 case QEMU_OPTION_portrait:
3217 graphic_rotate = 90;
3219 case QEMU_OPTION_rotate:
3220 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3221 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3222 graphic_rotate != 180 && graphic_rotate != 270) {
3224 "qemu: only 90, 180, 270 deg rotation is available\n");
3228 case QEMU_OPTION_kernel:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3231 case QEMU_OPTION_initrd:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3234 case QEMU_OPTION_append:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3237 case QEMU_OPTION_dtb:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3240 case QEMU_OPTION_cdrom:
3241 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3243 case QEMU_OPTION_boot:
3244 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3249 case QEMU_OPTION_fda:
3250 case QEMU_OPTION_fdb:
3251 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3254 case QEMU_OPTION_no_fd_bootchk:
3257 case QEMU_OPTION_netdev:
3258 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3262 case QEMU_OPTION_net:
3263 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3267 #ifdef CONFIG_LIBISCSI
3268 case QEMU_OPTION_iscsi:
3269 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3276 case QEMU_OPTION_tftp:
3277 legacy_tftp_prefix = optarg;
3279 case QEMU_OPTION_bootp:
3280 legacy_bootp_filename = optarg;
3282 case QEMU_OPTION_redir:
3283 if (net_slirp_redir(optarg) < 0)
3287 case QEMU_OPTION_bt:
3288 add_device_config(DEV_BT, optarg);
3290 case QEMU_OPTION_audio_help:
3294 case QEMU_OPTION_soundhw:
3295 select_soundhw (optarg);
3300 case QEMU_OPTION_version:
3304 case QEMU_OPTION_m: {
3309 value = strtosz(optarg, &end);
3310 if (value < 0 || *end) {
3311 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3314 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3316 if (ram_size != sz) {
3317 fprintf(stderr, "qemu: ram size too large\n");
3323 case QEMU_OPTION_tpmdev:
3324 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3329 case QEMU_OPTION_mempath:
3332 case QEMU_OPTION_mem_prealloc:
3342 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3344 case QEMU_OPTION_gdb:
3345 add_device_config(DEV_GDB, optarg);
3348 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3349 data_dir[data_dir_idx++] = optarg;
3352 case QEMU_OPTION_bios:
3353 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3355 case QEMU_OPTION_singlestep:
3362 keyboard_layout = optarg;
3364 case QEMU_OPTION_localtime:
3367 case QEMU_OPTION_vga:
3376 w = strtol(p, (char **)&p, 10);
3379 fprintf(stderr, "qemu: invalid resolution or depth\n");
3385 h = strtol(p, (char **)&p, 10);
3390 depth = strtol(p, (char **)&p, 10);
3391 if (depth != 8 && depth != 15 && depth != 16 &&
3392 depth != 24 && depth != 32)
3394 } else if (*p == '\0') {
3395 depth = graphic_depth;
3402 graphic_depth = depth;
3405 case QEMU_OPTION_echr:
3408 term_escape_char = strtol(optarg, &r, 0);
3410 printf("Bad argument to echr\n");
3413 case QEMU_OPTION_monitor:
3414 default_monitor = 0;
3415 if (strncmp(optarg, "none", 4)) {
3416 monitor_parse(optarg, "readline");
3419 case QEMU_OPTION_qmp:
3420 monitor_parse(optarg, "control");
3421 default_monitor = 0;
3423 case QEMU_OPTION_mon:
3424 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3428 default_monitor = 0;
3430 case QEMU_OPTION_chardev:
3431 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3436 case QEMU_OPTION_fsdev:
3437 olist = qemu_find_opts("fsdev");
3439 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3442 opts = qemu_opts_parse(olist, optarg, 1);
3447 case QEMU_OPTION_virtfs: {
3450 const char *writeout, *sock_fd, *socket;
3452 olist = qemu_find_opts("virtfs");
3454 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3457 opts = qemu_opts_parse(olist, optarg, 1);
3462 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3463 qemu_opt_get(opts, "mount_tag") == NULL) {
3464 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3467 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3468 qemu_opt_get(opts, "mount_tag"),
3471 fprintf(stderr, "duplicate fsdev id: %s\n",
3472 qemu_opt_get(opts, "mount_tag"));
3476 writeout = qemu_opt_get(opts, "writeout");
3478 #ifdef CONFIG_SYNC_FILE_RANGE
3479 qemu_opt_set(fsdev, "writeout", writeout);
3481 fprintf(stderr, "writeout=immediate not supported on "
3486 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3487 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3488 qemu_opt_set(fsdev, "security_model",
3489 qemu_opt_get(opts, "security_model"));
3490 socket = qemu_opt_get(opts, "socket");
3492 qemu_opt_set(fsdev, "socket", socket);
3494 sock_fd = qemu_opt_get(opts, "sock_fd");
3496 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3499 qemu_opt_set_bool(fsdev, "readonly",
3500 qemu_opt_get_bool(opts, "readonly", 0));
3501 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3503 qemu_opt_set(device, "driver", "virtio-9p-pci");
3504 qemu_opt_set(device, "fsdev",
3505 qemu_opt_get(opts, "mount_tag"));
3506 qemu_opt_set(device, "mount_tag",
3507 qemu_opt_get(opts, "mount_tag"));
3510 case QEMU_OPTION_virtfs_synth: {
3514 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3517 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3520 qemu_opt_set(fsdev, "fsdriver", "synth");
3522 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3524 qemu_opt_set(device, "driver", "virtio-9p-pci");
3525 qemu_opt_set(device, "fsdev", "v_synth");
3526 qemu_opt_set(device, "mount_tag", "v_synth");
3529 case QEMU_OPTION_serial:
3530 add_device_config(DEV_SERIAL, optarg);
3532 if (strncmp(optarg, "mon:", 4) == 0) {
3533 default_monitor = 0;
3536 case QEMU_OPTION_watchdog:
3539 "qemu: only one watchdog option may be given\n");
3544 case QEMU_OPTION_watchdog_action:
3545 if (select_watchdog_action(optarg) == -1) {
3546 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3550 case QEMU_OPTION_virtiocon:
3551 add_device_config(DEV_VIRTCON, optarg);
3552 default_virtcon = 0;
3553 if (strncmp(optarg, "mon:", 4) == 0) {
3554 default_monitor = 0;
3557 case QEMU_OPTION_parallel:
3558 add_device_config(DEV_PARALLEL, optarg);
3559 default_parallel = 0;
3560 if (strncmp(optarg, "mon:", 4) == 0) {
3561 default_monitor = 0;
3564 case QEMU_OPTION_debugcon:
3565 add_device_config(DEV_DEBUGCON, optarg);
3567 case QEMU_OPTION_loadvm:
3570 case QEMU_OPTION_full_screen:
3573 case QEMU_OPTION_no_frame:
3576 case QEMU_OPTION_alt_grab:
3579 case QEMU_OPTION_ctrl_grab:
3582 case QEMU_OPTION_no_quit:
3585 case QEMU_OPTION_sdl:
3587 display_type = DT_SDL;
3590 fprintf(stderr, "SDL support is disabled\n");
3593 case QEMU_OPTION_pidfile:
3596 case QEMU_OPTION_win2k_hack:
3597 win2k_install_hack = 1;
3599 case QEMU_OPTION_rtc_td_hack: {
3600 static GlobalProperty slew_lost_ticks[] = {
3602 .driver = "mc146818rtc",
3603 .property = "lost_tick_policy",
3606 { /* end of list */ }
3609 qdev_prop_register_global_list(slew_lost_ticks);
3612 case QEMU_OPTION_acpitable:
3613 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3617 do_acpitable_option(opts);
3619 case QEMU_OPTION_smbios:
3620 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3624 do_smbios_option(opts);
3626 case QEMU_OPTION_enable_kvm:
3627 olist = qemu_find_opts("machine");
3628 qemu_opts_parse(olist, "accel=kvm", 0);
3630 case QEMU_OPTION_machine:
3631 olist = qemu_find_opts("machine");
3632 opts = qemu_opts_parse(olist, optarg, 1);
3636 optarg = qemu_opt_get(opts, "type");
3638 machine_class = machine_parse(optarg);
3641 case QEMU_OPTION_no_kvm:
3642 olist = qemu_find_opts("machine");
3643 qemu_opts_parse(olist, "accel=tcg", 0);
3645 case QEMU_OPTION_no_kvm_pit: {
3646 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3650 case QEMU_OPTION_no_kvm_pit_reinjection: {
3651 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3653 .driver = "kvm-pit",
3654 .property = "lost_tick_policy",
3657 { /* end of list */ }
3660 fprintf(stderr, "Warning: option deprecated, use "
3661 "lost_tick_policy property of kvm-pit instead.\n");
3662 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3665 case QEMU_OPTION_usb:
3666 olist = qemu_find_opts("machine");
3667 qemu_opts_parse(olist, "usb=on", 0);
3669 case QEMU_OPTION_usbdevice:
3670 olist = qemu_find_opts("machine");
3671 qemu_opts_parse(olist, "usb=on", 0);
3672 add_device_config(DEV_USB, optarg);
3674 case QEMU_OPTION_device:
3675 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3679 case QEMU_OPTION_smp:
3680 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3684 case QEMU_OPTION_vnc:
3687 vnc_display = optarg;
3689 fprintf(stderr, "VNC support is disabled\n");
3693 case QEMU_OPTION_no_acpi:
3696 case QEMU_OPTION_no_hpet:
3699 case QEMU_OPTION_balloon:
3700 if (balloon_parse(optarg) < 0) {
3701 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3705 case QEMU_OPTION_no_reboot:
3708 case QEMU_OPTION_no_shutdown:
3711 case QEMU_OPTION_show_cursor:
3714 case QEMU_OPTION_uuid:
3715 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3716 fprintf(stderr, "Fail to parse UUID string."
3717 " Wrong format.\n");
3720 qemu_uuid_set = true;
3722 case QEMU_OPTION_option_rom:
3723 if (nb_option_roms >= MAX_OPTION_ROMS) {
3724 fprintf(stderr, "Too many option ROMs\n");
3727 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3731 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3732 option_rom[nb_option_roms].bootindex =
3733 qemu_opt_get_number(opts, "bootindex", -1);
3734 if (!option_rom[nb_option_roms].name) {
3735 fprintf(stderr, "Option ROM file is not specified\n");
3740 case QEMU_OPTION_semihosting:
3741 semihosting_enabled = 1;
3743 case QEMU_OPTION_tdf:
3744 fprintf(stderr, "Warning: user space PIT time drift fix "
3745 "is no longer supported.\n");
3747 case QEMU_OPTION_name:
3748 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3754 case QEMU_OPTION_prom_env:
3755 if (nb_prom_envs >= MAX_PROM_ENVS) {
3756 fprintf(stderr, "Too many prom variables\n");
3759 prom_envs[nb_prom_envs] = optarg;
3762 case QEMU_OPTION_old_param:
3765 case QEMU_OPTION_clock:
3766 /* Clock options no longer exist. Keep this option for
3767 * backward compatibility.
3770 case QEMU_OPTION_startdate:
3771 configure_rtc_date_offset(optarg, 1);
3773 case QEMU_OPTION_rtc:
3774 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3778 configure_rtc(opts);
3780 case QEMU_OPTION_tb_size:
3781 tcg_tb_size = strtol(optarg, NULL, 0);
3782 if (tcg_tb_size < 0) {
3786 case QEMU_OPTION_icount:
3787 icount_option = optarg;
3789 case QEMU_OPTION_incoming:
3791 runstate_set(RUN_STATE_INMIGRATE);
3793 case QEMU_OPTION_nodefaults:
3796 case QEMU_OPTION_xen_domid:
3797 if (!(xen_available())) {
3798 printf("Option %s not supported for this target\n", popt->name);
3801 xen_domid = atoi(optarg);
3803 case QEMU_OPTION_xen_create:
3804 if (!(xen_available())) {
3805 printf("Option %s not supported for this target\n", popt->name);
3808 xen_mode = XEN_CREATE;
3810 case QEMU_OPTION_xen_attach:
3811 if (!(xen_available())) {
3812 printf("Option %s not supported for this target\n", popt->name);
3815 xen_mode = XEN_ATTACH;
3817 case QEMU_OPTION_trace:
3819 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3823 trace_events = qemu_opt_get(opts, "events");
3824 trace_file = qemu_opt_get(opts, "file");
3827 case QEMU_OPTION_readconfig:
3829 int ret = qemu_read_config_file(optarg);
3831 fprintf(stderr, "read config %s: %s\n", optarg,
3837 case QEMU_OPTION_spice:
3838 olist = qemu_find_opts("spice");
3840 fprintf(stderr, "spice is not supported by this qemu build.\n");
3843 opts = qemu_opts_parse(olist, optarg, 0);
3849 case QEMU_OPTION_writeconfig:
3852 if (strcmp(optarg, "-") == 0) {
3855 fp = fopen(optarg, "w");
3857 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3861 qemu_config_write(fp);
3865 case QEMU_OPTION_qtest:
3866 qtest_chrdev = optarg;
3868 case QEMU_OPTION_qtest_log:
3871 case QEMU_OPTION_sandbox:
3872 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3877 case QEMU_OPTION_add_fd:
3879 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3884 error_report("File descriptor passing is disabled on this "
3889 case QEMU_OPTION_object:
3890 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3895 case QEMU_OPTION_realtime:
3896 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3900 configure_realtime(opts);
3902 case QEMU_OPTION_msg:
3903 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3907 configure_msg(opts);
3910 os_parse_cmd_args(popt->index, optarg);
3916 if (qemu_init_main_loop()) {
3917 fprintf(stderr, "qemu_init_main_loop failed\n");
3921 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3926 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3930 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3935 if (machine_class == NULL) {
3936 fprintf(stderr, "No machine found.\n");
3940 current_machine = MACHINE(object_new(object_class_get_name(
3941 OBJECT_CLASS(machine_class))));
3942 object_property_add_child(object_get_root(), "machine",
3943 OBJECT(current_machine), &error_abort);
3945 machine = machine_class->qemu_machine;
3946 if (machine->hw_version) {
3947 qemu_set_version(machine->hw_version);
3950 if (qemu_opts_foreach(qemu_find_opts("object"),
3951 object_create, NULL, 0) != 0) {
3955 /* Init CPU def lists, based on config
3956 * - Must be called after all the qemu_read_config_file() calls
3957 * - Must be called before list_cpus()
3958 * - Must be called before machine->init()
3962 if (cpu_model && is_help_option(cpu_model)) {
3963 list_cpus(stdout, &fprintf, cpu_model);
3967 /* Open the logfile at this point, if necessary. We can't open the logfile
3968 * when encountering either of the logging options (-d or -D) because the
3969 * other one may be encountered later on the command line, changing the
3970 * location or level of logging.
3975 qemu_set_log_filename(log_file);
3978 mask = qemu_str_to_log_mask(log_mask);
3980 qemu_print_log_usage(stdout);
3986 if (!is_daemonized()) {
3987 if (!trace_backend_init(trace_events, trace_file)) {
3992 /* If no data_dir is specified then try to find it relative to the
3994 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3995 data_dir[data_dir_idx] = os_find_datadir();
3996 if (data_dir[data_dir_idx] != NULL) {
4000 /* If all else fails use the install path specified when building. */
4001 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4002 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4005 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4007 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
4008 if (smp_cpus > machine->max_cpus) {
4009 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4010 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
4016 * Get the default machine options from the machine if it is not already
4017 * specified either by the configuration file or by the command line.
4019 if (machine->default_machine_opts) {
4020 qemu_opts_set_defaults(qemu_find_opts("machine"),
4021 machine->default_machine_opts, 0);
4024 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4025 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4027 if (!vga_model && !default_vga) {
4028 vga_interface_type = VGA_DEVICE;
4030 if (!has_defaults || machine->no_serial) {
4033 if (!has_defaults || machine->no_parallel) {
4034 default_parallel = 0;
4036 if (!has_defaults || !machine->use_virtcon) {
4037 default_virtcon = 0;
4039 if (!has_defaults || !machine->use_sclp) {
4042 if (!has_defaults || machine->no_floppy) {
4045 if (!has_defaults || machine->no_cdrom) {
4048 if (!has_defaults || machine->no_sdcard) {
4051 if (!has_defaults) {
4052 default_monitor = 0;
4057 if (is_daemonized()) {
4058 /* According to documentation and historically, -nographic redirects
4059 * serial port, parallel port and monitor to stdio, which does not work
4060 * with -daemonize. We can redirect these to null instead, but since
4061 * -nographic is legacy, let's just error out.
4062 * We disallow -nographic only if all other ports are not redirected
4063 * explicitly, to not break existing legacy setups which uses
4064 * -nographic _and_ redirects all ports explicitly - this is valid
4065 * usage, -nographic is just a no-op in this case.
4067 if (display_type == DT_NOGRAPHIC
4068 && (default_parallel || default_serial
4069 || default_monitor || default_virtcon)) {
4070 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4073 #ifdef CONFIG_CURSES
4074 if (display_type == DT_CURSES) {
4075 fprintf(stderr, "curses display can not be used with -daemonize\n");
4081 if (display_type == DT_NOGRAPHIC) {
4082 if (default_parallel)
4083 add_device_config(DEV_PARALLEL, "null");
4084 if (default_serial && default_monitor) {
4085 add_device_config(DEV_SERIAL, "mon:stdio");
4086 } else if (default_virtcon && default_monitor) {
4087 add_device_config(DEV_VIRTCON, "mon:stdio");
4088 } else if (default_sclp && default_monitor) {
4089 add_device_config(DEV_SCLP, "mon:stdio");
4092 add_device_config(DEV_SERIAL, "stdio");
4093 if (default_virtcon)
4094 add_device_config(DEV_VIRTCON, "stdio");
4096 add_device_config(DEV_SCLP, "stdio");
4098 if (default_monitor)
4099 monitor_parse("stdio", "readline");
4103 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4104 if (default_parallel)
4105 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4106 if (default_monitor)
4107 monitor_parse("vc:80Cx24C", "readline");
4108 if (default_virtcon)
4109 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4111 add_device_config(DEV_SCLP, "vc:80Cx24C");
4115 if (display_type == DT_DEFAULT && !display_remote) {
4116 #if defined(CONFIG_GTK)
4117 display_type = DT_GTK;
4118 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4119 display_type = DT_SDL;
4120 #elif defined(CONFIG_VNC)
4121 vnc_display = "localhost:0,to=99";
4124 display_type = DT_NONE;
4128 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4129 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4130 "for SDL, ignoring option\n");
4132 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4133 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4134 "ignoring option\n");
4137 #if defined(CONFIG_GTK)
4138 if (display_type == DT_GTK) {
4139 early_gtk_display_init();
4145 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4147 #ifdef CONFIG_VIRTFS
4148 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4155 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4160 /* init the memory */
4161 if (ram_size == 0) {
4162 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4165 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4170 configure_accelerator(machine);
4173 Error *local_err = NULL;
4174 qtest_init(qtest_chrdev, qtest_log, &local_err);
4176 error_report("%s", error_get_pretty(local_err));
4177 error_free(local_err);
4182 machine_opts = qemu_get_machine_opts();
4183 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4184 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4185 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4186 bios_name = qemu_opt_get(machine_opts, "firmware");
4188 boot_order = machine->default_boot_order;
4189 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4191 char *normal_boot_order;
4192 const char *order, *once;
4194 order = qemu_opt_get(opts, "order");
4196 validate_bootdevices(order);
4200 once = qemu_opt_get(opts, "once");
4202 validate_bootdevices(once);
4203 normal_boot_order = g_strdup(boot_order);
4205 qemu_register_reset(restore_boot_order, normal_boot_order);
4208 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4209 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4212 if (!kernel_cmdline) {
4213 kernel_cmdline = "";
4216 linux_boot = (kernel_filename != NULL);
4218 if (!linux_boot && *kernel_cmdline != '\0') {
4219 fprintf(stderr, "-append only allowed with -kernel option\n");
4223 if (!linux_boot && initrd_filename != NULL) {
4224 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4228 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4229 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4233 os_set_line_buffering();
4235 qemu_init_cpu_loop();
4236 qemu_mutex_lock_iothread();
4239 /* spice needs the timers to be initialized by this point */
4243 if (icount_option && (kvm_enabled() || xen_enabled())) {
4244 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4247 configure_icount(icount_option);
4249 /* clean up network at qemu process termination */
4250 atexit(&net_cleanup);
4252 if (net_init_clients() < 0) {
4257 if (tpm_init() < 0) {
4262 /* init the bluetooth world */
4263 if (foreach_device_config(DEV_BT, bt_parse))
4266 if (!xen_enabled()) {
4267 /* On 32-bit hosts, QEMU is limited by virtual address space */
4268 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4269 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4274 cpu_exec_init_all();
4278 /* open the virtual block devices */
4280 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4281 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4282 &machine->block_default_type, 1) != 0) {
4286 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4288 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4289 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4291 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4293 if (nb_numa_nodes > 0) {
4296 if (nb_numa_nodes > MAX_NODES) {
4297 nb_numa_nodes = MAX_NODES;
4300 /* If no memory size if given for any node, assume the default case
4301 * and distribute the available memory equally across all nodes
4303 for (i = 0; i < nb_numa_nodes; i++) {
4304 if (node_mem[i] != 0)
4307 if (i == nb_numa_nodes) {
4308 uint64_t usedmem = 0;
4310 /* On Linux, the each node's border has to be 8MB aligned,
4311 * the final node gets the rest.
4313 for (i = 0; i < nb_numa_nodes - 1; i++) {
4314 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4315 usedmem += node_mem[i];
4317 node_mem[i] = ram_size - usedmem;
4320 for (i = 0; i < nb_numa_nodes; i++) {
4321 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4325 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4326 * must cope with this anyway, because there are BIOSes out there in
4327 * real machines which also use this scheme.
4329 if (i == nb_numa_nodes) {
4330 for (i = 0; i < max_cpus; i++) {
4331 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4336 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4340 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4342 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4344 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4346 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4349 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4352 /* If no default VGA is requested, the default is "none". */
4354 if (cirrus_vga_available()) {
4355 vga_model = "cirrus";
4356 } else if (vga_available()) {
4361 select_vgahw(vga_model);
4365 i = select_watchdog(watchdog);
4367 exit (i == 1 ? 1 : 0);
4370 if (machine->compat_props) {
4371 qdev_prop_register_global_list(machine->compat_props);
4375 qdev_machine_init();
4377 QEMUMachineInitArgs args = { .machine = machine,
4378 .ram_size = ram_size,
4379 .boot_order = boot_order,
4380 .kernel_filename = kernel_filename,
4381 .kernel_cmdline = kernel_cmdline,
4382 .initrd_filename = initrd_filename,
4383 .cpu_model = cpu_model };
4385 current_machine->init_args = args;
4386 machine->init(¤t_machine->init_args);
4390 cpu_synchronize_all_post_init();
4394 /* init USB devices */
4395 if (usb_enabled(false)) {
4396 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4400 /* init generic devices */
4401 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4404 net_check_clients();
4406 ds = init_displaystate();
4408 /* init local displays */
4409 switch (display_type) {
4411 (void)ds; /* avoid warning if no display is configured */
4413 #if defined(CONFIG_CURSES)
4415 curses_display_init(ds, full_screen);
4418 #if defined(CONFIG_SDL)
4420 sdl_display_init(ds, full_screen, no_frame);
4422 #elif defined(CONFIG_COCOA)
4424 cocoa_display_init(ds, full_screen);
4427 #if defined(CONFIG_GTK)
4429 gtk_display_init(ds, full_screen, grab_on_hover);
4436 /* must be after terminal init, SDL library changes signal handlers */
4437 os_setup_signal_handling();
4440 /* init remote displays */
4442 Error *local_err = NULL;
4443 vnc_display_init(ds);
4444 vnc_display_open(ds, vnc_display, &local_err);
4445 if (local_err != NULL) {
4446 error_report("Failed to start VNC server on `%s': %s",
4447 vnc_display, error_get_pretty(local_err));
4448 error_free(local_err);
4452 if (show_vnc_port) {
4453 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4459 qemu_spice_display_init();
4463 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4467 qdev_machine_creation_done();
4469 if (rom_load_all() != 0) {
4470 fprintf(stderr, "rom loading failed\n");
4474 /* TODO: once all bus devices are qdevified, this should be done
4475 * when bus is created by qdev.c */
4476 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4477 qemu_run_machine_init_done_notifiers();
4479 /* Done notifiers can load ROMs */
4482 qemu_system_reset(VMRESET_SILENT);
4484 if (load_vmstate(loadvm) < 0) {
4490 Error *local_err = NULL;
4491 qemu_start_incoming_migration(incoming, &local_err);
4493 error_report("-incoming %s: %s", incoming,
4494 error_get_pretty(local_err));
4495 error_free(local_err);
4498 } else if (autostart) {
4504 if (is_daemonized()) {
4505 if (!trace_backend_init(trace_events, trace_file)) {