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;
146 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
147 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
148 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
149 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
150 int win2k_install_hack = 0;
157 const char *vnc_display;
159 int acpi_enabled = 1;
162 static int no_reboot;
165 int graphic_rotate = 0;
166 const char *watchdog;
167 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int semihosting_enabled = 0;
171 const char *qemu_name;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
177 static bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
182 typedef struct FWBootEntry FWBootEntry;
185 QTAILQ_ENTRY(FWBootEntry) link;
191 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
192 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
195 uint64_t node_mem[MAX_NODES];
196 unsigned long *node_cpumask[MAX_NODES];
198 uint8_t qemu_uuid[16];
201 static QEMUBootSetHandler *boot_set_handler;
202 static void *boot_set_opaque;
204 static NotifierList exit_notifiers =
205 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
207 static NotifierList machine_init_done_notifiers =
208 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
210 static bool tcg_allowed = true;
213 enum xen_mode xen_mode = XEN_EMULATE;
214 static int tcg_tb_size;
216 static int default_serial = 1;
217 static int default_parallel = 1;
218 static int default_virtcon = 1;
219 static int default_sclp = 1;
220 static int default_monitor = 1;
221 static int default_floppy = 1;
222 static int default_cdrom = 1;
223 static int default_sdcard = 1;
224 static int default_vga = 1;
230 { .driver = "isa-serial", .flag = &default_serial },
231 { .driver = "isa-parallel", .flag = &default_parallel },
232 { .driver = "isa-fdc", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
238 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
248 static QemuOptsList qemu_rtc_opts = {
250 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
254 .type = QEMU_OPT_STRING,
257 .type = QEMU_OPT_STRING,
260 .type = QEMU_OPT_STRING,
262 { /* end of list */ }
266 static QemuOptsList qemu_sandbox_opts = {
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
273 .type = QEMU_OPT_BOOL,
275 { /* end of list */ }
279 static QemuOptsList qemu_trace_opts = {
281 .implied_opt_name = "trace",
282 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
286 .type = QEMU_OPT_STRING,
289 .type = QEMU_OPT_STRING,
291 { /* end of list */ }
295 static QemuOptsList qemu_option_rom_opts = {
296 .name = "option-rom",
297 .implied_opt_name = "romfile",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
302 .type = QEMU_OPT_NUMBER,
305 .type = QEMU_OPT_STRING,
307 { /* end of list */ }
311 static QemuOptsList qemu_machine_opts = {
313 .implied_opt_name = "type",
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
319 .type = QEMU_OPT_STRING,
320 .help = "emulated machine"
323 .type = QEMU_OPT_STRING,
324 .help = "accelerator list",
326 .name = "kernel_irqchip",
327 .type = QEMU_OPT_BOOL,
328 .help = "use KVM in-kernel irqchip",
330 .name = "kvm_shadow_mem",
331 .type = QEMU_OPT_SIZE,
332 .help = "KVM shadow MMU size",
335 .type = QEMU_OPT_STRING,
336 .help = "Linux kernel image file",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux initial ramdisk file",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux kernel command line",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel device tree file",
351 .type = QEMU_OPT_STRING,
352 .help = "Dump current dtb to a file and quit",
354 .name = "phandle_start",
355 .type = QEMU_OPT_NUMBER,
356 .help = "The first phandle ID we may generate dynamically",
358 .name = "dt_compatible",
359 .type = QEMU_OPT_STRING,
360 .help = "Overrides the \"compatible\" property of the dt root node",
362 .name = "dump-guest-core",
363 .type = QEMU_OPT_BOOL,
364 .help = "Include guest memory in a core dump",
367 .type = QEMU_OPT_BOOL,
368 .help = "enable/disable memory merge support",
371 .type = QEMU_OPT_BOOL,
372 .help = "Set on/off to enable/disable usb",
375 .type = QEMU_OPT_STRING,
376 .help = "firmware image",
379 .type = QEMU_OPT_STRING,
380 .help = "Specifies the KVM virtualization mode (HV, PR)",
382 { /* End of list */ }
386 static QemuOptsList qemu_boot_opts = {
388 .implied_opt_name = "order",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
394 .type = QEMU_OPT_STRING,
397 .type = QEMU_OPT_STRING,
400 .type = QEMU_OPT_BOOL,
403 .type = QEMU_OPT_STRING,
405 .name = "splash-time",
406 .type = QEMU_OPT_STRING,
408 .name = "reboot-timeout",
409 .type = QEMU_OPT_STRING,
412 .type = QEMU_OPT_BOOL,
418 static QemuOptsList qemu_add_fd_opts = {
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
424 .type = QEMU_OPT_NUMBER,
425 .help = "file descriptor of which a duplicate is added to fd set",
428 .type = QEMU_OPT_NUMBER,
429 .help = "ID of the fd set to add fd to",
432 .type = QEMU_OPT_STRING,
433 .help = "free-form string used to describe fd",
435 { /* end of list */ }
439 static QemuOptsList qemu_object_opts = {
441 .implied_opt_name = "qom-type",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
448 static QemuOptsList qemu_tpmdev_opts = {
450 .implied_opt_name = "type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
453 /* options are defined in the TPM backends */
454 { /* end of list */ }
458 static QemuOptsList qemu_realtime_opts = {
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
464 .type = QEMU_OPT_BOOL,
466 { /* end of list */ }
470 static QemuOptsList qemu_msg_opts = {
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
476 .type = QEMU_OPT_BOOL,
478 { /* end of list */ }
483 * Get machine options
485 * Returns: machine options (never null).
487 QemuOpts *qemu_get_machine_opts(void)
492 list = qemu_find_opts("machine");
494 opts = qemu_opts_find(list, NULL);
496 opts = qemu_opts_create(list, NULL, 0, &error_abort);
501 const char *qemu_get_vm_name(void)
506 static void res_free(void)
508 if (boot_splash_filedata != NULL) {
509 g_free(boot_splash_filedata);
510 boot_splash_filedata = NULL;
514 static int default_driver_check(QemuOpts *opts, void *opaque)
516 const char *driver = qemu_opt_get(opts, "driver");
521 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
522 if (strcmp(default_list[i].driver, driver) != 0)
524 *(default_list[i].flag) = 0;
529 /***********************************************************/
532 static RunState current_run_state = RUN_STATE_PRELAUNCH;
537 } RunStateTransition;
539 static const RunStateTransition runstate_transitions_def[] = {
541 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
542 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
544 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
545 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
547 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
548 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
550 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
551 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
553 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
554 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
556 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
557 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
559 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
560 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
561 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
563 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
564 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
566 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
568 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
569 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
570 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
571 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
572 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
573 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
574 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
575 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
576 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
577 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
579 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
581 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
582 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
585 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
586 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
587 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
590 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
593 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_MAX, RUN_STATE_MAX },
598 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
600 bool runstate_check(RunState state)
602 return current_run_state == state;
605 static void runstate_init(void)
607 const RunStateTransition *p;
609 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
611 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
612 runstate_valid_transitions[p->from][p->to] = true;
616 /* This function will abort() on invalid state transitions */
617 void runstate_set(RunState new_state)
619 assert(new_state < RUN_STATE_MAX);
621 if (!runstate_valid_transitions[current_run_state][new_state]) {
622 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
623 RunState_lookup[current_run_state],
624 RunState_lookup[new_state]);
627 trace_runstate_set(new_state);
628 current_run_state = new_state;
631 int runstate_is_running(void)
633 return runstate_check(RUN_STATE_RUNNING);
636 bool runstate_needs_reset(void)
638 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
639 runstate_check(RUN_STATE_SHUTDOWN);
642 StatusInfo *qmp_query_status(Error **errp)
644 StatusInfo *info = g_malloc0(sizeof(*info));
646 info->running = runstate_is_running();
647 info->singlestep = singlestep;
648 info->status = current_run_state;
653 /***********************************************************/
654 /* real time host monotonic timer */
656 /***********************************************************/
657 /* host time/date access */
658 void qemu_get_timedate(struct tm *tm, int offset)
664 if (rtc_date_offset == -1) {
668 localtime_r(&ti, tm);
670 ti -= rtc_date_offset;
675 int qemu_timedate_diff(struct tm *tm)
679 if (rtc_date_offset == -1)
681 seconds = mktimegm(tm);
684 tmp.tm_isdst = -1; /* use timezone to figure it out */
685 seconds = mktime(&tmp);
688 seconds = mktimegm(tm) + rtc_date_offset;
690 return seconds - time(NULL);
693 void rtc_change_mon_event(struct tm *tm)
697 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
698 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
699 qobject_decref(data);
702 static void configure_rtc_date_offset(const char *startdate, int legacy)
704 time_t rtc_start_date;
707 if (!strcmp(startdate, "now") && legacy) {
708 rtc_date_offset = -1;
710 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
718 } else if (sscanf(startdate, "%d-%d-%d",
730 rtc_start_date = mktimegm(&tm);
731 if (rtc_start_date == -1) {
733 fprintf(stderr, "Invalid date format. Valid formats are:\n"
734 "'2006-06-17T16:01:21' or '2006-06-17'\n");
737 rtc_date_offset = time(NULL) - rtc_start_date;
741 static void configure_rtc(QemuOpts *opts)
745 value = qemu_opt_get(opts, "base");
747 if (!strcmp(value, "utc")) {
749 } else if (!strcmp(value, "localtime")) {
752 configure_rtc_date_offset(value, 0);
755 value = qemu_opt_get(opts, "clock");
757 if (!strcmp(value, "host")) {
758 rtc_clock = QEMU_CLOCK_HOST;
759 } else if (!strcmp(value, "rt")) {
760 rtc_clock = QEMU_CLOCK_REALTIME;
761 } else if (!strcmp(value, "vm")) {
762 rtc_clock = QEMU_CLOCK_VIRTUAL;
764 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
768 value = qemu_opt_get(opts, "driftfix");
770 if (!strcmp(value, "slew")) {
771 static GlobalProperty slew_lost_ticks[] = {
773 .driver = "mc146818rtc",
774 .property = "lost_tick_policy",
777 { /* end of list */ }
780 qdev_prop_register_global_list(slew_lost_ticks);
781 } else if (!strcmp(value, "none")) {
782 /* discard is default */
784 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
790 /***********************************************************/
791 /* Bluetooth support */
794 static struct HCIInfo *hci_table[MAX_NICS];
796 struct HCIInfo *qemu_next_hci(void)
798 if (cur_hci == nb_hcis)
801 return hci_table[cur_hci++];
804 static int bt_hci_parse(const char *str)
809 if (nb_hcis >= MAX_NICS) {
810 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
823 bdaddr.b[5] = 0x56 + nb_hcis;
824 hci->bdaddr_set(hci, bdaddr.b);
826 hci_table[nb_hcis++] = hci;
831 static void bt_vhci_add(int vlan_id)
833 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
836 fprintf(stderr, "qemu: warning: adding a VHCI to "
837 "an empty scatternet %i\n", vlan_id);
839 bt_vhci_init(bt_new_hci(vlan));
842 static struct bt_device_s *bt_device_add(const char *opt)
844 struct bt_scatternet_s *vlan;
846 char *endp = strstr(opt, ",vlan=");
847 int len = (endp ? endp - opt : strlen(opt)) + 1;
850 pstrcpy(devname, MIN(sizeof(devname), len), opt);
853 vlan_id = strtol(endp + 6, &endp, 0);
855 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
860 vlan = qemu_find_bt_vlan(vlan_id);
863 fprintf(stderr, "qemu: warning: adding a slave device to "
864 "an empty scatternet %i\n", vlan_id);
866 if (!strcmp(devname, "keyboard"))
867 return bt_keyboard_init(vlan);
869 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
873 static int bt_parse(const char *opt)
875 const char *endp, *p;
878 if (strstart(opt, "hci", &endp)) {
879 if (!*endp || *endp == ',') {
881 if (!strstart(endp, ",vlan=", 0))
884 return bt_hci_parse(opt);
886 } else if (strstart(opt, "vhci", &endp)) {
887 if (!*endp || *endp == ',') {
889 if (strstart(endp, ",vlan=", &p)) {
890 vlan = strtol(p, (char **) &endp, 0);
892 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
896 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
905 } else if (strstart(opt, "device:", &endp))
906 return !bt_device_add(endp);
908 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
912 static int parse_sandbox(QemuOpts *opts, void *opaque)
914 /* FIXME: change this to true for 1.3 */
915 if (qemu_opt_get_bool(opts, "enable", false)) {
916 #ifdef CONFIG_SECCOMP
917 if (seccomp_start() < 0) {
918 qerror_report(ERROR_CLASS_GENERIC_ERROR,
919 "failed to install seccomp syscall filter in the kernel");
923 qerror_report(ERROR_CLASS_GENERIC_ERROR,
924 "sandboxing request but seccomp is not compiled into this build");
932 bool usb_enabled(bool default_usb)
934 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
938 static int parse_add_fd(QemuOpts *opts, void *opaque)
940 int fd, dupfd, flags;
942 const char *fd_opaque = NULL;
944 fd = qemu_opt_get_number(opts, "fd", -1);
945 fdset_id = qemu_opt_get_number(opts, "set", -1);
946 fd_opaque = qemu_opt_get(opts, "opaque");
949 qerror_report(ERROR_CLASS_GENERIC_ERROR,
950 "fd option is required and must be non-negative");
954 if (fd <= STDERR_FILENO) {
955 qerror_report(ERROR_CLASS_GENERIC_ERROR,
956 "fd cannot be a standard I/O stream");
961 * All fds inherited across exec() necessarily have FD_CLOEXEC
962 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
964 flags = fcntl(fd, F_GETFD);
965 if (flags == -1 || (flags & FD_CLOEXEC)) {
966 qerror_report(ERROR_CLASS_GENERIC_ERROR,
967 "fd is not valid or already in use");
972 qerror_report(ERROR_CLASS_GENERIC_ERROR,
973 "set option is required and must be non-negative");
977 #ifdef F_DUPFD_CLOEXEC
978 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
982 qemu_set_cloexec(dupfd);
986 qerror_report(ERROR_CLASS_GENERIC_ERROR,
987 "Error duplicating fd: %s", strerror(errno));
991 /* add the duplicate fd, and optionally the opaque string, to the fd set */
992 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
998 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1002 fd = qemu_opt_get_number(opts, "fd", -1);
1009 /***********************************************************/
1010 /* QEMU Block devices */
1012 #define HD_OPTS "media=disk"
1013 #define CDROM_OPTS "media=cdrom"
1015 #define PFLASH_OPTS ""
1019 static int drive_init_func(QemuOpts *opts, void *opaque)
1021 BlockInterfaceType *block_default_type = opaque;
1023 return drive_init(opts, *block_default_type) == NULL;
1026 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1028 if (NULL == qemu_opt_get(opts, "snapshot")) {
1029 qemu_opt_set(opts, "snapshot", "on");
1034 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1035 int index, const char *optstr)
1039 if (!enable || drive_get_by_index(type, index)) {
1043 opts = drive_add(type, index, NULL, optstr);
1045 drive_enable_snapshot(opts, NULL);
1047 if (!drive_init(opts, type)) {
1052 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1054 boot_set_handler = func;
1055 boot_set_opaque = opaque;
1058 int qemu_boot_set(const char *boot_order)
1060 if (!boot_set_handler) {
1063 return boot_set_handler(boot_set_opaque, boot_order);
1066 static void validate_bootdevices(const char *devices)
1068 /* We just do some generic consistency checks */
1072 for (p = devices; *p != '\0'; p++) {
1073 /* Allowed boot devices are:
1074 * a-b: floppy disk drives
1075 * c-f: IDE disk drives
1076 * g-m: machine implementation dependent drives
1077 * n-p: network devices
1078 * It's up to each machine implementation to check if the given boot
1079 * devices match the actual hardware implementation and firmware
1082 if (*p < 'a' || *p > 'p') {
1083 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1086 if (bitmap & (1 << (*p - 'a'))) {
1087 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1090 bitmap |= 1 << (*p - 'a');
1094 static void restore_boot_order(void *opaque)
1096 char *normal_boot_order = opaque;
1097 static int first = 1;
1099 /* Restore boot order and remove ourselves after the first boot */
1105 qemu_boot_set(normal_boot_order);
1107 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1108 g_free(normal_boot_order);
1111 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1114 FWBootEntry *node, *i;
1116 if (bootindex < 0) {
1120 assert(dev != NULL || suffix != NULL);
1122 node = g_malloc0(sizeof(FWBootEntry));
1123 node->bootindex = bootindex;
1124 node->suffix = g_strdup(suffix);
1127 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1128 if (i->bootindex == bootindex) {
1129 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1131 } else if (i->bootindex < bootindex) {
1134 QTAILQ_INSERT_BEFORE(i, node, link);
1137 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1140 DeviceState *get_boot_device(uint32_t position)
1142 uint32_t counter = 0;
1143 FWBootEntry *i = NULL;
1144 DeviceState *res = NULL;
1146 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1147 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1148 if (counter == position) {
1159 * This function returns null terminated string that consist of new line
1160 * separated device paths.
1162 * memory pointed by "size" is assigned total length of the array in bytes
1165 char *get_boot_devices_list(size_t *size)
1171 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1172 char *devpath = NULL, *bootpath;
1176 devpath = qdev_get_fw_dev_path(i->dev);
1180 if (i->suffix && devpath) {
1181 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1183 bootpath = g_malloc(bootpathlen);
1184 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1186 } else if (devpath) {
1190 bootpath = g_strdup(i->suffix);
1194 list[total-1] = '\n';
1196 len = strlen(bootpath) + 1;
1197 list = g_realloc(list, total + len);
1198 memcpy(&list[total], bootpath, len);
1205 if (boot_strict && *size > 0) {
1206 list[total-1] = '\n';
1207 list = g_realloc(list, total + 5);
1208 memcpy(&list[total], "HALT", 5);
1214 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1217 unsigned long long value, endvalue;
1219 /* Empty CPU range strings will be considered valid, they will simply
1220 * not set any bit in the CPU bitmap.
1226 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1229 if (*endptr == '-') {
1230 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1233 } else if (*endptr == '\0') {
1239 if (endvalue >= MAX_CPUMASK_BITS) {
1240 endvalue = MAX_CPUMASK_BITS - 1;
1242 "qemu: NUMA: A max of %d VCPUs are supported\n",
1246 if (endvalue < value) {
1250 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1254 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1258 static void numa_add(const char *optarg)
1262 unsigned long long nodenr;
1264 optarg = get_opt_name(option, 128, optarg, ',');
1265 if (*optarg == ',') {
1268 if (!strcmp(option, "node")) {
1270 if (nb_numa_nodes >= MAX_NODES) {
1271 fprintf(stderr, "qemu: too many NUMA nodes\n");
1275 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1276 nodenr = nb_numa_nodes;
1278 if (parse_uint_full(option, &nodenr, 10) < 0) {
1279 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1284 if (nodenr >= MAX_NODES) {
1285 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1289 if (get_param_value(option, 128, "mem", optarg) == 0) {
1290 node_mem[nodenr] = 0;
1293 sval = strtosz(option, &endptr);
1294 if (sval < 0 || *endptr) {
1295 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1298 node_mem[nodenr] = sval;
1300 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1301 numa_node_parse_cpus(nodenr, option);
1305 fprintf(stderr, "Invalid -numa option: %s\n", option);
1310 static QemuOptsList qemu_smp_opts = {
1312 .implied_opt_name = "cpus",
1313 .merge_lists = true,
1314 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1318 .type = QEMU_OPT_NUMBER,
1321 .type = QEMU_OPT_NUMBER,
1324 .type = QEMU_OPT_NUMBER,
1327 .type = QEMU_OPT_NUMBER,
1330 .type = QEMU_OPT_NUMBER,
1332 { /*End of list */ }
1336 static void smp_parse(QemuOpts *opts)
1340 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1341 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1342 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1343 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1345 /* compute missing values, prefer sockets over cores over threads */
1346 if (cpus == 0 || sockets == 0) {
1347 sockets = sockets > 0 ? sockets : 1;
1348 cores = cores > 0 ? cores : 1;
1349 threads = threads > 0 ? threads : 1;
1351 cpus = cores * threads * sockets;
1355 threads = threads > 0 ? threads : 1;
1356 cores = cpus / (sockets * threads);
1358 threads = cpus / (cores * sockets);
1362 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1365 smp_cores = cores > 0 ? cores : 1;
1366 smp_threads = threads > 0 ? threads : 1;
1370 if (max_cpus == 0) {
1371 max_cpus = smp_cpus;
1374 if (max_cpus > 255) {
1375 fprintf(stderr, "Unsupported number of maxcpus\n");
1378 if (max_cpus < smp_cpus) {
1379 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1385 static void configure_realtime(QemuOpts *opts)
1389 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1392 if (os_mlock() < 0) {
1393 fprintf(stderr, "qemu: locking memory failed\n");
1400 static void configure_msg(QemuOpts *opts)
1402 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1405 /***********************************************************/
1408 static int usb_device_add(const char *devname)
1410 USBDevice *dev = NULL;
1411 #ifndef CONFIG_LINUX
1415 if (!usb_enabled(false)) {
1419 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1420 dev = usbdevice_create(devname);
1424 /* the other ones */
1425 #ifndef CONFIG_LINUX
1426 /* only the linux version is qdev-ified, usb-bsd still needs this */
1427 if (strstart(devname, "host:", &p)) {
1428 dev = usb_host_device_open(usb_bus_find(-1), p);
1438 static int usb_device_del(const char *devname)
1443 if (strstart(devname, "host:", &p)) {
1447 if (!usb_enabled(false)) {
1451 p = strchr(devname, '.');
1454 bus_num = strtoul(devname, NULL, 0);
1455 addr = strtoul(p + 1, NULL, 0);
1457 return usb_device_delete_addr(bus_num, addr);
1460 static int usb_parse(const char *cmdline)
1463 r = usb_device_add(cmdline);
1465 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1470 void do_usb_add(Monitor *mon, const QDict *qdict)
1472 const char *devname = qdict_get_str(qdict, "devname");
1473 if (usb_device_add(devname) < 0) {
1474 error_report("could not add USB device '%s'", devname);
1478 void do_usb_del(Monitor *mon, const QDict *qdict)
1480 const char *devname = qdict_get_str(qdict, "devname");
1481 if (usb_device_del(devname) < 0) {
1482 error_report("could not delete USB device '%s'", devname);
1486 /***********************************************************/
1487 /* PCMCIA/Cardbus */
1489 static struct pcmcia_socket_entry_s {
1490 PCMCIASocket *socket;
1491 struct pcmcia_socket_entry_s *next;
1492 } *pcmcia_sockets = 0;
1494 void pcmcia_socket_register(PCMCIASocket *socket)
1496 struct pcmcia_socket_entry_s *entry;
1498 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1499 entry->socket = socket;
1500 entry->next = pcmcia_sockets;
1501 pcmcia_sockets = entry;
1504 void pcmcia_socket_unregister(PCMCIASocket *socket)
1506 struct pcmcia_socket_entry_s *entry, **ptr;
1508 ptr = &pcmcia_sockets;
1509 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1510 if (entry->socket == socket) {
1516 void pcmcia_info(Monitor *mon, const QDict *qdict)
1518 struct pcmcia_socket_entry_s *iter;
1520 if (!pcmcia_sockets)
1521 monitor_printf(mon, "No PCMCIA sockets\n");
1523 for (iter = pcmcia_sockets; iter; iter = iter->next)
1524 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1525 iter->socket->attached ? iter->socket->card_string :
1529 /***********************************************************/
1530 /* machine registration */
1532 static QEMUMachine *first_machine = NULL;
1533 QEMUMachine *current_machine = NULL;
1535 int qemu_register_machine(QEMUMachine *m)
1538 pm = &first_machine;
1546 static QEMUMachine *find_machine(const char *name)
1550 for(m = first_machine; m != NULL; m = m->next) {
1551 if (!strcmp(m->name, name))
1553 if (m->alias && !strcmp(m->alias, name))
1559 QEMUMachine *find_default_machine(void)
1563 for(m = first_machine; m != NULL; m = m->next) {
1564 if (m->is_default) {
1571 MachineInfoList *qmp_query_machines(Error **errp)
1573 MachineInfoList *mach_list = NULL;
1576 for (m = first_machine; m; m = m->next) {
1577 MachineInfoList *entry;
1580 info = g_malloc0(sizeof(*info));
1581 if (m->is_default) {
1582 info->has_is_default = true;
1583 info->is_default = true;
1587 info->has_alias = true;
1588 info->alias = g_strdup(m->alias);
1591 info->name = g_strdup(m->name);
1592 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1594 entry = g_malloc0(sizeof(*entry));
1595 entry->value = info;
1596 entry->next = mach_list;
1603 /***********************************************************/
1604 /* main execution loop */
1606 struct vm_change_state_entry {
1607 VMChangeStateHandler *cb;
1609 QLIST_ENTRY (vm_change_state_entry) entries;
1612 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1614 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1617 VMChangeStateEntry *e;
1619 e = g_malloc0(sizeof (*e));
1623 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1627 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1629 QLIST_REMOVE (e, entries);
1633 void vm_state_notify(int running, RunState state)
1635 VMChangeStateEntry *e;
1637 trace_vm_state_notify(running, state);
1639 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1640 e->cb(e->opaque, running, state);
1646 if (!runstate_is_running()) {
1648 runstate_set(RUN_STATE_RUNNING);
1649 vm_state_notify(1, RUN_STATE_RUNNING);
1651 monitor_protocol_event(QEVENT_RESUME, NULL);
1655 /* reset/shutdown handler */
1657 typedef struct QEMUResetEntry {
1658 QTAILQ_ENTRY(QEMUResetEntry) entry;
1659 QEMUResetHandler *func;
1663 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1664 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1665 static int reset_requested;
1666 static int shutdown_requested, shutdown_signal = -1;
1667 static pid_t shutdown_pid;
1668 static int powerdown_requested;
1669 static int debug_requested;
1670 static int suspend_requested;
1671 static WakeupReason wakeup_reason;
1672 static NotifierList powerdown_notifiers =
1673 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1674 static NotifierList suspend_notifiers =
1675 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1676 static NotifierList wakeup_notifiers =
1677 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1678 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1679 static RunState vmstop_requested = RUN_STATE_MAX;
1681 int qemu_shutdown_requested_get(void)
1683 return shutdown_requested;
1686 int qemu_reset_requested_get(void)
1688 return reset_requested;
1691 static int qemu_shutdown_requested(void)
1693 int r = shutdown_requested;
1694 shutdown_requested = 0;
1698 static void qemu_kill_report(void)
1700 if (!qtest_driver() && shutdown_signal != -1) {
1701 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1702 if (shutdown_pid == 0) {
1703 /* This happens for eg ^C at the terminal, so it's worth
1704 * avoiding printing an odd message in that case.
1706 fputc('\n', stderr);
1708 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1710 shutdown_signal = -1;
1714 static int qemu_reset_requested(void)
1716 int r = reset_requested;
1717 reset_requested = 0;
1721 static int qemu_suspend_requested(void)
1723 int r = suspend_requested;
1724 suspend_requested = 0;
1728 static WakeupReason qemu_wakeup_requested(void)
1730 return wakeup_reason;
1733 static int qemu_powerdown_requested(void)
1735 int r = powerdown_requested;
1736 powerdown_requested = 0;
1740 static int qemu_debug_requested(void)
1742 int r = debug_requested;
1743 debug_requested = 0;
1747 /* We use RUN_STATE_MAX but any invalid value will do */
1748 static bool qemu_vmstop_requested(RunState *r)
1750 if (vmstop_requested < RUN_STATE_MAX) {
1751 *r = vmstop_requested;
1752 vmstop_requested = RUN_STATE_MAX;
1759 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1761 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1764 re->opaque = opaque;
1765 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1768 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1772 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1773 if (re->func == func && re->opaque == opaque) {
1774 QTAILQ_REMOVE(&reset_handlers, re, entry);
1781 void qemu_devices_reset(void)
1783 QEMUResetEntry *re, *nre;
1785 /* reset all devices */
1786 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1787 re->func(re->opaque);
1791 void qemu_system_reset(bool report)
1793 if (current_machine && current_machine->reset) {
1794 current_machine->reset();
1796 qemu_devices_reset();
1799 monitor_protocol_event(QEVENT_RESET, NULL);
1801 cpu_synchronize_all_post_reset();
1804 void qemu_system_reset_request(void)
1807 shutdown_requested = 1;
1809 reset_requested = 1;
1812 qemu_notify_event();
1815 static void qemu_system_suspend(void)
1818 notifier_list_notify(&suspend_notifiers, NULL);
1819 runstate_set(RUN_STATE_SUSPENDED);
1820 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1823 void qemu_system_suspend_request(void)
1825 if (runstate_check(RUN_STATE_SUSPENDED)) {
1828 suspend_requested = 1;
1830 qemu_notify_event();
1833 void qemu_register_suspend_notifier(Notifier *notifier)
1835 notifier_list_add(&suspend_notifiers, notifier);
1838 void qemu_system_wakeup_request(WakeupReason reason)
1840 trace_system_wakeup_request(reason);
1842 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1845 if (!(wakeup_reason_mask & (1 << reason))) {
1848 runstate_set(RUN_STATE_RUNNING);
1849 wakeup_reason = reason;
1850 qemu_notify_event();
1853 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1856 wakeup_reason_mask |= (1 << reason);
1858 wakeup_reason_mask &= ~(1 << reason);
1862 void qemu_register_wakeup_notifier(Notifier *notifier)
1864 notifier_list_add(&wakeup_notifiers, notifier);
1867 void qemu_system_killed(int signal, pid_t pid)
1869 shutdown_signal = signal;
1872 qemu_system_shutdown_request();
1875 void qemu_system_shutdown_request(void)
1877 shutdown_requested = 1;
1878 qemu_notify_event();
1881 static void qemu_system_powerdown(void)
1883 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1884 notifier_list_notify(&powerdown_notifiers, NULL);
1887 void qemu_system_powerdown_request(void)
1889 powerdown_requested = 1;
1890 qemu_notify_event();
1893 void qemu_register_powerdown_notifier(Notifier *notifier)
1895 notifier_list_add(&powerdown_notifiers, notifier);
1898 void qemu_system_debug_request(void)
1900 debug_requested = 1;
1901 qemu_notify_event();
1904 void qemu_system_vmstop_request(RunState state)
1906 vmstop_requested = state;
1907 qemu_notify_event();
1910 static bool main_loop_should_exit(void)
1913 if (qemu_debug_requested()) {
1914 vm_stop(RUN_STATE_DEBUG);
1916 if (qemu_suspend_requested()) {
1917 qemu_system_suspend();
1919 if (qemu_shutdown_requested()) {
1921 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1923 vm_stop(RUN_STATE_SHUTDOWN);
1928 if (qemu_reset_requested()) {
1930 cpu_synchronize_all_states();
1931 qemu_system_reset(VMRESET_REPORT);
1933 if (runstate_needs_reset()) {
1934 runstate_set(RUN_STATE_PAUSED);
1937 if (qemu_wakeup_requested()) {
1939 cpu_synchronize_all_states();
1940 qemu_system_reset(VMRESET_SILENT);
1941 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1942 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1944 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1946 if (qemu_powerdown_requested()) {
1947 qemu_system_powerdown();
1949 if (qemu_vmstop_requested(&r)) {
1955 static void main_loop(void)
1959 #ifdef CONFIG_PROFILER
1963 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1964 #ifdef CONFIG_PROFILER
1965 ti = profile_getclock();
1967 last_io = main_loop_wait(nonblocking);
1968 #ifdef CONFIG_PROFILER
1969 dev_time += profile_getclock() - ti;
1971 } while (!main_loop_should_exit());
1974 static void version(void)
1976 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1979 static void help(int exitcode)
1982 printf("usage: %s [options] [disk_image]\n\n"
1983 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1984 error_get_progname());
1986 #define QEMU_OPTIONS_GENERATE_HELP
1987 #include "qemu-options-wrapper.h"
1989 printf("\nDuring emulation, the following keys are useful:\n"
1990 "ctrl-alt-f toggle full screen\n"
1991 "ctrl-alt-n switch to virtual console 'n'\n"
1992 "ctrl-alt toggle mouse and keyboard grab\n"
1994 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1999 #define HAS_ARG 0x0001
2001 typedef struct QEMUOption {
2008 static const QEMUOption qemu_options[] = {
2009 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2010 #define QEMU_OPTIONS_GENERATE_OPTIONS
2011 #include "qemu-options-wrapper.h"
2015 static bool vga_available(void)
2017 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2020 static bool cirrus_vga_available(void)
2022 return object_class_by_name("cirrus-vga")
2023 || object_class_by_name("isa-cirrus-vga");
2026 static bool vmware_vga_available(void)
2028 return object_class_by_name("vmware-svga");
2031 static bool qxl_vga_available(void)
2033 return object_class_by_name("qxl-vga");
2036 static bool tcx_vga_available(void)
2038 return object_class_by_name("SUNW,tcx");
2041 static bool cg3_vga_available(void)
2043 return object_class_by_name("cgthree");
2046 static void select_vgahw (const char *p)
2050 vga_interface_type = VGA_NONE;
2051 if (strstart(p, "std", &opts)) {
2052 if (vga_available()) {
2053 vga_interface_type = VGA_STD;
2055 fprintf(stderr, "Error: standard VGA not available\n");
2058 } else if (strstart(p, "cirrus", &opts)) {
2059 if (cirrus_vga_available()) {
2060 vga_interface_type = VGA_CIRRUS;
2062 fprintf(stderr, "Error: Cirrus VGA not available\n");
2065 } else if (strstart(p, "vmware", &opts)) {
2066 if (vmware_vga_available()) {
2067 vga_interface_type = VGA_VMWARE;
2069 fprintf(stderr, "Error: VMWare SVGA not available\n");
2072 } else if (strstart(p, "xenfb", &opts)) {
2073 vga_interface_type = VGA_XENFB;
2074 } else if (strstart(p, "qxl", &opts)) {
2075 if (qxl_vga_available()) {
2076 vga_interface_type = VGA_QXL;
2078 fprintf(stderr, "Error: QXL VGA not available\n");
2081 } else if (strstart(p, "tcx", &opts)) {
2082 if (tcx_vga_available()) {
2083 vga_interface_type = VGA_TCX;
2085 fprintf(stderr, "Error: TCX framebuffer not available\n");
2088 } else if (strstart(p, "cg3", &opts)) {
2089 if (cg3_vga_available()) {
2090 vga_interface_type = VGA_CG3;
2092 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2095 } else if (!strstart(p, "none", &opts)) {
2097 fprintf(stderr, "Unknown vga type: %s\n", p);
2101 const char *nextopt;
2103 if (strstart(opts, ",retrace=", &nextopt)) {
2105 if (strstart(opts, "dumb", &nextopt))
2106 vga_retrace_method = VGA_RETRACE_DUMB;
2107 else if (strstart(opts, "precise", &nextopt))
2108 vga_retrace_method = VGA_RETRACE_PRECISE;
2109 else goto invalid_vga;
2110 } else goto invalid_vga;
2115 static DisplayType select_display(const char *p)
2118 DisplayType display = DT_DEFAULT;
2120 if (strstart(p, "sdl", &opts)) {
2124 const char *nextopt;
2126 if (strstart(opts, ",frame=", &nextopt)) {
2128 if (strstart(opts, "on", &nextopt)) {
2130 } else if (strstart(opts, "off", &nextopt)) {
2133 goto invalid_sdl_args;
2135 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2137 if (strstart(opts, "on", &nextopt)) {
2139 } else if (strstart(opts, "off", &nextopt)) {
2142 goto invalid_sdl_args;
2144 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2146 if (strstart(opts, "on", &nextopt)) {
2148 } else if (strstart(opts, "off", &nextopt)) {
2151 goto invalid_sdl_args;
2153 } else if (strstart(opts, ",window_close=", &nextopt)) {
2155 if (strstart(opts, "on", &nextopt)) {
2157 } else if (strstart(opts, "off", &nextopt)) {
2160 goto invalid_sdl_args;
2164 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2170 fprintf(stderr, "SDL support is disabled\n");
2173 } else if (strstart(p, "vnc", &opts)) {
2178 const char *nextopt;
2180 if (strstart(opts, "=", &nextopt)) {
2181 vnc_display = nextopt;
2185 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2189 fprintf(stderr, "VNC support is disabled\n");
2192 } else if (strstart(p, "curses", &opts)) {
2193 #ifdef CONFIG_CURSES
2194 display = DT_CURSES;
2196 fprintf(stderr, "Curses support is disabled\n");
2199 } else if (strstart(p, "gtk", &opts)) {
2203 fprintf(stderr, "GTK support is disabled\n");
2206 } else if (strstart(p, "none", &opts)) {
2209 fprintf(stderr, "Unknown display type: %s\n", p);
2216 static int balloon_parse(const char *arg)
2220 if (strcmp(arg, "none") == 0) {
2224 if (!strncmp(arg, "virtio", 6)) {
2225 if (arg[6] == ',') {
2226 /* have params -> parse them */
2227 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2231 /* create empty opts */
2232 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2235 qemu_opt_set(opts, "driver", "virtio-balloon");
2242 char *qemu_find_file(int type, const char *name)
2248 /* Try the name as a straight path first */
2249 if (access(name, R_OK) == 0) {
2250 trace_load_file(name, name);
2251 return g_strdup(name);
2255 case QEMU_FILE_TYPE_BIOS:
2258 case QEMU_FILE_TYPE_KEYMAP:
2259 subdir = "keymaps/";
2265 for (i = 0; i < data_dir_idx; i++) {
2266 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2267 if (access(buf, R_OK) == 0) {
2268 trace_load_file(name, buf);
2276 static int device_help_func(QemuOpts *opts, void *opaque)
2278 return qdev_device_help(opts);
2281 static int device_init_func(QemuOpts *opts, void *opaque)
2285 dev = qdev_device_add(opts);
2288 object_unref(OBJECT(dev));
2292 static int chardev_init_func(QemuOpts *opts, void *opaque)
2294 Error *local_err = NULL;
2296 qemu_chr_new_from_opts(opts, NULL, &local_err);
2298 error_report("%s", error_get_pretty(local_err));
2299 error_free(local_err);
2305 #ifdef CONFIG_VIRTFS
2306 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2309 ret = qemu_fsdev_add(opts);
2315 static int mon_init_func(QemuOpts *opts, void *opaque)
2317 CharDriverState *chr;
2318 const char *chardev;
2322 mode = qemu_opt_get(opts, "mode");
2326 if (strcmp(mode, "readline") == 0) {
2327 flags = MONITOR_USE_READLINE;
2328 } else if (strcmp(mode, "control") == 0) {
2329 flags = MONITOR_USE_CONTROL;
2331 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2335 if (qemu_opt_get_bool(opts, "pretty", 0))
2336 flags |= MONITOR_USE_PRETTY;
2338 if (qemu_opt_get_bool(opts, "default", 0))
2339 flags |= MONITOR_IS_DEFAULT;
2341 chardev = qemu_opt_get(opts, "chardev");
2342 chr = qemu_chr_find(chardev);
2344 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2348 qemu_chr_fe_claim_no_fail(chr);
2349 monitor_init(chr, flags);
2353 static void monitor_parse(const char *optarg, const char *mode)
2355 static int monitor_device_index = 0;
2361 if (strstart(optarg, "chardev:", &p)) {
2362 snprintf(label, sizeof(label), "%s", p);
2364 snprintf(label, sizeof(label), "compat_monitor%d",
2365 monitor_device_index);
2366 if (monitor_device_index == 0) {
2369 opts = qemu_chr_parse_compat(label, optarg);
2371 fprintf(stderr, "parse error: %s\n", optarg);
2376 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2378 fprintf(stderr, "duplicate chardev: %s\n", label);
2381 qemu_opt_set(opts, "mode", mode);
2382 qemu_opt_set(opts, "chardev", label);
2384 qemu_opt_set(opts, "default", "on");
2385 monitor_device_index++;
2388 struct device_config {
2390 DEV_USB, /* -usbdevice */
2392 DEV_SERIAL, /* -serial */
2393 DEV_PARALLEL, /* -parallel */
2394 DEV_VIRTCON, /* -virtioconsole */
2395 DEV_DEBUGCON, /* -debugcon */
2396 DEV_GDB, /* -gdb, -s */
2397 DEV_SCLP, /* s390 sclp */
2399 const char *cmdline;
2401 QTAILQ_ENTRY(device_config) next;
2404 static QTAILQ_HEAD(, device_config) device_configs =
2405 QTAILQ_HEAD_INITIALIZER(device_configs);
2407 static void add_device_config(int type, const char *cmdline)
2409 struct device_config *conf;
2411 conf = g_malloc0(sizeof(*conf));
2413 conf->cmdline = cmdline;
2414 loc_save(&conf->loc);
2415 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2418 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2420 struct device_config *conf;
2423 QTAILQ_FOREACH(conf, &device_configs, next) {
2424 if (conf->type != type)
2426 loc_push_restore(&conf->loc);
2427 rc = func(conf->cmdline);
2428 loc_pop(&conf->loc);
2435 static int serial_parse(const char *devname)
2437 static int index = 0;
2440 if (strcmp(devname, "none") == 0)
2442 if (index == MAX_SERIAL_PORTS) {
2443 fprintf(stderr, "qemu: too many serial ports\n");
2446 snprintf(label, sizeof(label), "serial%d", index);
2447 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2448 if (!serial_hds[index]) {
2449 fprintf(stderr, "qemu: could not connect serial device"
2450 " to character backend '%s'\n", devname);
2457 static int parallel_parse(const char *devname)
2459 static int index = 0;
2462 if (strcmp(devname, "none") == 0)
2464 if (index == MAX_PARALLEL_PORTS) {
2465 fprintf(stderr, "qemu: too many parallel ports\n");
2468 snprintf(label, sizeof(label), "parallel%d", index);
2469 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2470 if (!parallel_hds[index]) {
2471 fprintf(stderr, "qemu: could not connect parallel device"
2472 " to character backend '%s'\n", devname);
2479 static int virtcon_parse(const char *devname)
2481 QemuOptsList *device = qemu_find_opts("device");
2482 static int index = 0;
2484 QemuOpts *bus_opts, *dev_opts;
2486 if (strcmp(devname, "none") == 0)
2488 if (index == MAX_VIRTIO_CONSOLES) {
2489 fprintf(stderr, "qemu: too many virtio consoles\n");
2493 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2494 if (arch_type == QEMU_ARCH_S390X) {
2495 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2497 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2500 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2501 qemu_opt_set(dev_opts, "driver", "virtconsole");
2503 snprintf(label, sizeof(label), "virtcon%d", index);
2504 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2505 if (!virtcon_hds[index]) {
2506 fprintf(stderr, "qemu: could not connect virtio console"
2507 " to character backend '%s'\n", devname);
2510 qemu_opt_set(dev_opts, "chardev", label);
2516 static int sclp_parse(const char *devname)
2518 QemuOptsList *device = qemu_find_opts("device");
2519 static int index = 0;
2523 if (strcmp(devname, "none") == 0) {
2526 if (index == MAX_SCLP_CONSOLES) {
2527 fprintf(stderr, "qemu: too many sclp consoles\n");
2531 assert(arch_type == QEMU_ARCH_S390X);
2533 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2534 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2536 snprintf(label, sizeof(label), "sclpcon%d", index);
2537 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2538 if (!sclp_hds[index]) {
2539 fprintf(stderr, "qemu: could not connect sclp console"
2540 " to character backend '%s'\n", devname);
2543 qemu_opt_set(dev_opts, "chardev", label);
2549 static int debugcon_parse(const char *devname)
2553 if (!qemu_chr_new("debugcon", devname, NULL)) {
2556 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2558 fprintf(stderr, "qemu: already have a debugcon device\n");
2561 qemu_opt_set(opts, "driver", "isa-debugcon");
2562 qemu_opt_set(opts, "chardev", "debugcon");
2566 static QEMUMachine *machine_parse(const char *name)
2568 QEMUMachine *m, *machine = NULL;
2571 machine = find_machine(name);
2576 printf("Supported machines are:\n");
2577 for (m = first_machine; m != NULL; m = m->next) {
2579 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2581 printf("%-20s %s%s\n", m->name, m->desc,
2582 m->is_default ? " (default)" : "");
2584 exit(!name || !is_help_option(name));
2587 static int tcg_init(QEMUMachine *machine)
2589 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2594 const char *opt_name;
2596 int (*available)(void);
2597 int (*init)(QEMUMachine *);
2600 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2601 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2602 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2603 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2606 static int configure_accelerator(QEMUMachine *machine)
2611 bool accel_initialised = false;
2612 bool init_failed = false;
2614 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2616 /* Use the default "accelerator", tcg */
2620 while (!accel_initialised && *p != '\0') {
2624 p = get_opt_name(buf, sizeof (buf), p, ':');
2625 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2626 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2627 if (!accel_list[i].available()) {
2628 printf("%s not supported for this target\n",
2629 accel_list[i].name);
2632 *(accel_list[i].allowed) = true;
2633 ret = accel_list[i].init(machine);
2636 fprintf(stderr, "failed to initialize %s: %s\n",
2639 *(accel_list[i].allowed) = false;
2641 accel_initialised = true;
2646 if (i == ARRAY_SIZE(accel_list)) {
2647 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2651 if (!accel_initialised) {
2653 fprintf(stderr, "No accelerator found!\n");
2659 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2662 return !accel_initialised;
2665 void qemu_add_exit_notifier(Notifier *notify)
2667 notifier_list_add(&exit_notifiers, notify);
2670 void qemu_remove_exit_notifier(Notifier *notify)
2672 notifier_remove(notify);
2675 static void qemu_run_exit_notifiers(void)
2677 notifier_list_notify(&exit_notifiers, NULL);
2680 void qemu_add_machine_init_done_notifier(Notifier *notify)
2682 notifier_list_add(&machine_init_done_notifiers, notify);
2685 static void qemu_run_machine_init_done_notifiers(void)
2687 notifier_list_notify(&machine_init_done_notifiers, NULL);
2690 static const QEMUOption *lookup_opt(int argc, char **argv,
2691 const char **poptarg, int *poptind)
2693 const QEMUOption *popt;
2694 int optind = *poptind;
2695 char *r = argv[optind];
2698 loc_set_cmdline(argv, optind, 1);
2700 /* Treat --foo the same as -foo. */
2703 popt = qemu_options;
2706 error_report("invalid option");
2709 if (!strcmp(popt->name, r + 1))
2713 if (popt->flags & HAS_ARG) {
2714 if (optind >= argc) {
2715 error_report("requires an argument");
2718 optarg = argv[optind++];
2719 loc_set_cmdline(argv, optind - 2, 2);
2730 static gpointer malloc_and_trace(gsize n_bytes)
2732 void *ptr = malloc(n_bytes);
2733 trace_g_malloc(n_bytes, ptr);
2737 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2739 void *ptr = realloc(mem, n_bytes);
2740 trace_g_realloc(mem, n_bytes, ptr);
2744 static void free_and_trace(gpointer mem)
2750 static int object_set_property(const char *name, const char *value, void *opaque)
2752 Object *obj = OBJECT(opaque);
2753 StringInputVisitor *siv;
2754 Error *local_err = NULL;
2756 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2760 siv = string_input_visitor_new(value);
2761 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2762 string_input_visitor_cleanup(siv);
2765 qerror_report_err(local_err);
2766 error_free(local_err);
2773 static int object_create(QemuOpts *opts, void *opaque)
2775 const char *type = qemu_opt_get(opts, "qom-type");
2776 const char *id = qemu_opts_id(opts);
2777 Error *local_err = NULL;
2780 g_assert(type != NULL);
2783 qerror_report(QERR_MISSING_PARAMETER, "id");
2787 obj = object_new(type);
2788 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2793 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2794 error_setg(&local_err, "object '%s' isn't supported by -object",
2799 user_creatable_complete(obj, &local_err);
2804 object_property_add_child(container_get(object_get_root(), "/objects"),
2805 id, obj, &local_err);
2810 qerror_report_err(local_err);
2811 error_free(local_err);
2817 int main(int argc, char **argv, char **envp)
2820 int snapshot, linux_boot;
2821 const char *icount_option = NULL;
2822 const char *initrd_filename;
2823 const char *kernel_filename, *kernel_cmdline;
2824 const char *boot_order;
2826 int cyls, heads, secs, translation;
2827 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2828 QemuOptsList *olist;
2831 const char *loadvm = NULL;
2832 QEMUMachine *machine;
2833 const char *cpu_model;
2834 const char *vga_model = "none";
2835 const char *qtest_chrdev = NULL;
2836 const char *qtest_log = NULL;
2837 const char *pid_file = NULL;
2838 const char *incoming = NULL;
2840 int show_vnc_port = 0;
2842 bool defconfig = true;
2843 bool userconfig = true;
2844 const char *log_mask = NULL;
2845 const char *log_file = NULL;
2846 GMemVTable mem_trace = {
2847 .malloc = malloc_and_trace,
2848 .realloc = realloc_and_trace,
2849 .free = free_and_trace,
2851 const char *trace_events = NULL;
2852 const char *trace_file = NULL;
2854 atexit(qemu_run_exit_notifiers);
2855 error_set_progname(argv[0]);
2856 qemu_init_exec_dir(argv[0]);
2858 g_mem_set_vtable(&mem_trace);
2859 if (!g_thread_supported()) {
2860 #if !GLIB_CHECK_VERSION(2, 31, 0)
2861 g_thread_init(NULL);
2863 fprintf(stderr, "glib threading failed to initialize.\n");
2868 module_call_init(MODULE_INIT_QOM);
2870 qemu_add_opts(&qemu_drive_opts);
2871 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2872 qemu_add_drive_opts(&qemu_common_drive_opts);
2873 qemu_add_drive_opts(&qemu_drive_opts);
2874 qemu_add_opts(&qemu_chardev_opts);
2875 qemu_add_opts(&qemu_device_opts);
2876 qemu_add_opts(&qemu_netdev_opts);
2877 qemu_add_opts(&qemu_net_opts);
2878 qemu_add_opts(&qemu_rtc_opts);
2879 qemu_add_opts(&qemu_global_opts);
2880 qemu_add_opts(&qemu_mon_opts);
2881 qemu_add_opts(&qemu_trace_opts);
2882 qemu_add_opts(&qemu_option_rom_opts);
2883 qemu_add_opts(&qemu_machine_opts);
2884 qemu_add_opts(&qemu_smp_opts);
2885 qemu_add_opts(&qemu_boot_opts);
2886 qemu_add_opts(&qemu_sandbox_opts);
2887 qemu_add_opts(&qemu_add_fd_opts);
2888 qemu_add_opts(&qemu_object_opts);
2889 qemu_add_opts(&qemu_tpmdev_opts);
2890 qemu_add_opts(&qemu_realtime_opts);
2891 qemu_add_opts(&qemu_msg_opts);
2896 rtc_clock = QEMU_CLOCK_HOST;
2898 qemu_init_auxval(envp);
2899 qemu_cache_utils_init();
2901 QLIST_INIT (&vm_change_state_head);
2902 os_setup_early_signal_handling();
2904 module_call_init(MODULE_INIT_MACHINE);
2905 machine = find_default_machine();
2909 cyls = heads = secs = 0;
2910 translation = BIOS_ATA_TRANSLATION_AUTO;
2912 for (i = 0; i < MAX_NODES; i++) {
2914 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2920 bdrv_init_with_whitelist();
2924 /* first pass of option parsing */
2926 while (optind < argc) {
2927 if (argv[optind][0] != '-') {
2932 const QEMUOption *popt;
2934 popt = lookup_opt(argc, argv, &optarg, &optind);
2935 switch (popt->index) {
2936 case QEMU_OPTION_nodefconfig:
2939 case QEMU_OPTION_nouserconfig:
2948 ret = qemu_read_default_config_files(userconfig);
2954 /* second pass of option parsing */
2959 if (argv[optind][0] != '-') {
2960 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2962 const QEMUOption *popt;
2964 popt = lookup_opt(argc, argv, &optarg, &optind);
2965 if (!(popt->arch_mask & arch_type)) {
2966 printf("Option %s not supported for this target\n", popt->name);
2969 switch(popt->index) {
2971 machine = machine_parse(optarg);
2973 case QEMU_OPTION_no_kvm_irqchip: {
2974 olist = qemu_find_opts("machine");
2975 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2978 case QEMU_OPTION_cpu:
2979 /* hw initialization will check this */
2982 case QEMU_OPTION_hda:
2986 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2988 snprintf(buf, sizeof(buf),
2989 "%s,cyls=%d,heads=%d,secs=%d%s",
2990 HD_OPTS , cyls, heads, secs,
2991 translation == BIOS_ATA_TRANSLATION_LBA ?
2993 translation == BIOS_ATA_TRANSLATION_NONE ?
2994 ",trans=none" : "");
2995 drive_add(IF_DEFAULT, 0, optarg, buf);
2998 case QEMU_OPTION_hdb:
2999 case QEMU_OPTION_hdc:
3000 case QEMU_OPTION_hdd:
3001 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3004 case QEMU_OPTION_drive:
3005 if (drive_def(optarg) == NULL) {
3009 case QEMU_OPTION_set:
3010 if (qemu_set_option(optarg) != 0)
3013 case QEMU_OPTION_global:
3014 if (qemu_global_option(optarg) != 0)
3017 case QEMU_OPTION_mtdblock:
3018 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3020 case QEMU_OPTION_sd:
3021 drive_add(IF_SD, -1, optarg, SD_OPTS);
3023 case QEMU_OPTION_pflash:
3024 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3026 case QEMU_OPTION_snapshot:
3029 case QEMU_OPTION_hdachs:
3033 cyls = strtol(p, (char **)&p, 0);
3034 if (cyls < 1 || cyls > 16383)
3039 heads = strtol(p, (char **)&p, 0);
3040 if (heads < 1 || heads > 16)
3045 secs = strtol(p, (char **)&p, 0);
3046 if (secs < 1 || secs > 63)
3050 if (!strcmp(p, "large")) {
3051 translation = BIOS_ATA_TRANSLATION_LARGE;
3052 } else if (!strcmp(p, "rechs")) {
3053 translation = BIOS_ATA_TRANSLATION_RECHS;
3054 } else if (!strcmp(p, "none")) {
3055 translation = BIOS_ATA_TRANSLATION_NONE;
3056 } else if (!strcmp(p, "lba")) {
3057 translation = BIOS_ATA_TRANSLATION_LBA;
3058 } else if (!strcmp(p, "auto")) {
3059 translation = BIOS_ATA_TRANSLATION_AUTO;
3063 } else if (*p != '\0') {
3065 fprintf(stderr, "qemu: invalid physical CHS format\n");
3068 if (hda_opts != NULL) {
3070 snprintf(num, sizeof(num), "%d", cyls);
3071 qemu_opt_set(hda_opts, "cyls", num);
3072 snprintf(num, sizeof(num), "%d", heads);
3073 qemu_opt_set(hda_opts, "heads", num);
3074 snprintf(num, sizeof(num), "%d", secs);
3075 qemu_opt_set(hda_opts, "secs", num);
3076 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3077 qemu_opt_set(hda_opts, "trans", "large");
3078 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3079 qemu_opt_set(hda_opts, "trans", "rechs");
3080 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3081 qemu_opt_set(hda_opts, "trans", "lba");
3082 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3083 qemu_opt_set(hda_opts, "trans", "none");
3088 case QEMU_OPTION_numa:
3091 case QEMU_OPTION_display:
3092 display_type = select_display(optarg);
3094 case QEMU_OPTION_nographic:
3095 display_type = DT_NOGRAPHIC;
3097 case QEMU_OPTION_curses:
3098 #ifdef CONFIG_CURSES
3099 display_type = DT_CURSES;
3101 fprintf(stderr, "Curses support is disabled\n");
3105 case QEMU_OPTION_portrait:
3106 graphic_rotate = 90;
3108 case QEMU_OPTION_rotate:
3109 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3110 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3111 graphic_rotate != 180 && graphic_rotate != 270) {
3113 "qemu: only 90, 180, 270 deg rotation is available\n");
3117 case QEMU_OPTION_kernel:
3118 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3120 case QEMU_OPTION_initrd:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3123 case QEMU_OPTION_append:
3124 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3126 case QEMU_OPTION_dtb:
3127 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3129 case QEMU_OPTION_cdrom:
3130 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3132 case QEMU_OPTION_boot:
3133 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3138 case QEMU_OPTION_fda:
3139 case QEMU_OPTION_fdb:
3140 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3143 case QEMU_OPTION_no_fd_bootchk:
3146 case QEMU_OPTION_netdev:
3147 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3151 case QEMU_OPTION_net:
3152 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3156 #ifdef CONFIG_LIBISCSI
3157 case QEMU_OPTION_iscsi:
3158 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3165 case QEMU_OPTION_tftp:
3166 legacy_tftp_prefix = optarg;
3168 case QEMU_OPTION_bootp:
3169 legacy_bootp_filename = optarg;
3171 case QEMU_OPTION_redir:
3172 if (net_slirp_redir(optarg) < 0)
3176 case QEMU_OPTION_bt:
3177 add_device_config(DEV_BT, optarg);
3179 case QEMU_OPTION_audio_help:
3183 case QEMU_OPTION_soundhw:
3184 select_soundhw (optarg);
3189 case QEMU_OPTION_version:
3193 case QEMU_OPTION_m: {
3198 value = strtosz(optarg, &end);
3199 if (value < 0 || *end) {
3200 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3203 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3205 if (ram_size != sz) {
3206 fprintf(stderr, "qemu: ram size too large\n");
3212 case QEMU_OPTION_tpmdev:
3213 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3218 case QEMU_OPTION_mempath:
3221 case QEMU_OPTION_mem_prealloc:
3231 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3233 case QEMU_OPTION_gdb:
3234 add_device_config(DEV_GDB, optarg);
3237 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3238 data_dir[data_dir_idx++] = optarg;
3241 case QEMU_OPTION_bios:
3242 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3244 case QEMU_OPTION_singlestep:
3251 keyboard_layout = optarg;
3253 case QEMU_OPTION_localtime:
3256 case QEMU_OPTION_vga:
3265 w = strtol(p, (char **)&p, 10);
3268 fprintf(stderr, "qemu: invalid resolution or depth\n");
3274 h = strtol(p, (char **)&p, 10);
3279 depth = strtol(p, (char **)&p, 10);
3280 if (depth != 8 && depth != 15 && depth != 16 &&
3281 depth != 24 && depth != 32)
3283 } else if (*p == '\0') {
3284 depth = graphic_depth;
3291 graphic_depth = depth;
3294 case QEMU_OPTION_echr:
3297 term_escape_char = strtol(optarg, &r, 0);
3299 printf("Bad argument to echr\n");
3302 case QEMU_OPTION_monitor:
3303 default_monitor = 0;
3304 if (strncmp(optarg, "none", 4)) {
3305 monitor_parse(optarg, "readline");
3308 case QEMU_OPTION_qmp:
3309 monitor_parse(optarg, "control");
3310 default_monitor = 0;
3312 case QEMU_OPTION_mon:
3313 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3317 default_monitor = 0;
3319 case QEMU_OPTION_chardev:
3320 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3325 case QEMU_OPTION_fsdev:
3326 olist = qemu_find_opts("fsdev");
3328 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3331 opts = qemu_opts_parse(olist, optarg, 1);
3336 case QEMU_OPTION_virtfs: {
3339 const char *writeout, *sock_fd, *socket;
3341 olist = qemu_find_opts("virtfs");
3343 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3346 opts = qemu_opts_parse(olist, optarg, 1);
3351 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3352 qemu_opt_get(opts, "mount_tag") == NULL) {
3353 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3356 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3357 qemu_opt_get(opts, "mount_tag"),
3360 fprintf(stderr, "duplicate fsdev id: %s\n",
3361 qemu_opt_get(opts, "mount_tag"));
3365 writeout = qemu_opt_get(opts, "writeout");
3367 #ifdef CONFIG_SYNC_FILE_RANGE
3368 qemu_opt_set(fsdev, "writeout", writeout);
3370 fprintf(stderr, "writeout=immediate not supported on "
3375 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3376 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3377 qemu_opt_set(fsdev, "security_model",
3378 qemu_opt_get(opts, "security_model"));
3379 socket = qemu_opt_get(opts, "socket");
3381 qemu_opt_set(fsdev, "socket", socket);
3383 sock_fd = qemu_opt_get(opts, "sock_fd");
3385 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3388 qemu_opt_set_bool(fsdev, "readonly",
3389 qemu_opt_get_bool(opts, "readonly", 0));
3390 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3392 qemu_opt_set(device, "driver", "virtio-9p-pci");
3393 qemu_opt_set(device, "fsdev",
3394 qemu_opt_get(opts, "mount_tag"));
3395 qemu_opt_set(device, "mount_tag",
3396 qemu_opt_get(opts, "mount_tag"));
3399 case QEMU_OPTION_virtfs_synth: {
3403 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3406 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3409 qemu_opt_set(fsdev, "fsdriver", "synth");
3411 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3413 qemu_opt_set(device, "driver", "virtio-9p-pci");
3414 qemu_opt_set(device, "fsdev", "v_synth");
3415 qemu_opt_set(device, "mount_tag", "v_synth");
3418 case QEMU_OPTION_serial:
3419 add_device_config(DEV_SERIAL, optarg);
3421 if (strncmp(optarg, "mon:", 4) == 0) {
3422 default_monitor = 0;
3425 case QEMU_OPTION_watchdog:
3428 "qemu: only one watchdog option may be given\n");
3433 case QEMU_OPTION_watchdog_action:
3434 if (select_watchdog_action(optarg) == -1) {
3435 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3439 case QEMU_OPTION_virtiocon:
3440 add_device_config(DEV_VIRTCON, optarg);
3441 default_virtcon = 0;
3442 if (strncmp(optarg, "mon:", 4) == 0) {
3443 default_monitor = 0;
3446 case QEMU_OPTION_parallel:
3447 add_device_config(DEV_PARALLEL, optarg);
3448 default_parallel = 0;
3449 if (strncmp(optarg, "mon:", 4) == 0) {
3450 default_monitor = 0;
3453 case QEMU_OPTION_debugcon:
3454 add_device_config(DEV_DEBUGCON, optarg);
3456 case QEMU_OPTION_loadvm:
3459 case QEMU_OPTION_full_screen:
3462 case QEMU_OPTION_no_frame:
3465 case QEMU_OPTION_alt_grab:
3468 case QEMU_OPTION_ctrl_grab:
3471 case QEMU_OPTION_no_quit:
3474 case QEMU_OPTION_sdl:
3476 display_type = DT_SDL;
3479 fprintf(stderr, "SDL support is disabled\n");
3482 case QEMU_OPTION_pidfile:
3485 case QEMU_OPTION_win2k_hack:
3486 win2k_install_hack = 1;
3488 case QEMU_OPTION_rtc_td_hack: {
3489 static GlobalProperty slew_lost_ticks[] = {
3491 .driver = "mc146818rtc",
3492 .property = "lost_tick_policy",
3495 { /* end of list */ }
3498 qdev_prop_register_global_list(slew_lost_ticks);
3501 case QEMU_OPTION_acpitable:
3502 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3506 do_acpitable_option(opts);
3508 case QEMU_OPTION_smbios:
3509 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3513 do_smbios_option(opts);
3515 case QEMU_OPTION_enable_kvm:
3516 olist = qemu_find_opts("machine");
3517 qemu_opts_parse(olist, "accel=kvm", 0);
3519 case QEMU_OPTION_machine:
3520 olist = qemu_find_opts("machine");
3521 opts = qemu_opts_parse(olist, optarg, 1);
3525 optarg = qemu_opt_get(opts, "type");
3527 machine = machine_parse(optarg);
3530 case QEMU_OPTION_no_kvm:
3531 olist = qemu_find_opts("machine");
3532 qemu_opts_parse(olist, "accel=tcg", 0);
3534 case QEMU_OPTION_no_kvm_pit: {
3535 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3539 case QEMU_OPTION_no_kvm_pit_reinjection: {
3540 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3542 .driver = "kvm-pit",
3543 .property = "lost_tick_policy",
3546 { /* end of list */ }
3549 fprintf(stderr, "Warning: option deprecated, use "
3550 "lost_tick_policy property of kvm-pit instead.\n");
3551 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3554 case QEMU_OPTION_usb:
3555 olist = qemu_find_opts("machine");
3556 qemu_opts_parse(olist, "usb=on", 0);
3558 case QEMU_OPTION_usbdevice:
3559 olist = qemu_find_opts("machine");
3560 qemu_opts_parse(olist, "usb=on", 0);
3561 add_device_config(DEV_USB, optarg);
3563 case QEMU_OPTION_device:
3564 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3568 case QEMU_OPTION_smp:
3569 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3573 case QEMU_OPTION_vnc:
3576 vnc_display = optarg;
3578 fprintf(stderr, "VNC support is disabled\n");
3582 case QEMU_OPTION_no_acpi:
3585 case QEMU_OPTION_no_hpet:
3588 case QEMU_OPTION_balloon:
3589 if (balloon_parse(optarg) < 0) {
3590 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3594 case QEMU_OPTION_no_reboot:
3597 case QEMU_OPTION_no_shutdown:
3600 case QEMU_OPTION_show_cursor:
3603 case QEMU_OPTION_uuid:
3604 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3605 fprintf(stderr, "Fail to parse UUID string."
3606 " Wrong format.\n");
3609 qemu_uuid_set = true;
3611 case QEMU_OPTION_option_rom:
3612 if (nb_option_roms >= MAX_OPTION_ROMS) {
3613 fprintf(stderr, "Too many option ROMs\n");
3616 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3620 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3621 option_rom[nb_option_roms].bootindex =
3622 qemu_opt_get_number(opts, "bootindex", -1);
3623 if (!option_rom[nb_option_roms].name) {
3624 fprintf(stderr, "Option ROM file is not specified\n");
3629 case QEMU_OPTION_semihosting:
3630 semihosting_enabled = 1;
3632 case QEMU_OPTION_tdf:
3633 fprintf(stderr, "Warning: user space PIT time drift fix "
3634 "is no longer supported.\n");
3636 case QEMU_OPTION_name:
3637 qemu_name = g_strdup(optarg);
3639 char *p = strchr(qemu_name, ',');
3642 if (strncmp(p, "process=", 8)) {
3643 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3647 os_set_proc_name(p);
3651 case QEMU_OPTION_prom_env:
3652 if (nb_prom_envs >= MAX_PROM_ENVS) {
3653 fprintf(stderr, "Too many prom variables\n");
3656 prom_envs[nb_prom_envs] = optarg;
3659 case QEMU_OPTION_old_param:
3662 case QEMU_OPTION_clock:
3663 /* Clock options no longer exist. Keep this option for
3664 * backward compatibility.
3667 case QEMU_OPTION_startdate:
3668 configure_rtc_date_offset(optarg, 1);
3670 case QEMU_OPTION_rtc:
3671 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3675 configure_rtc(opts);
3677 case QEMU_OPTION_tb_size:
3678 tcg_tb_size = strtol(optarg, NULL, 0);
3679 if (tcg_tb_size < 0) {
3683 case QEMU_OPTION_icount:
3684 icount_option = optarg;
3686 case QEMU_OPTION_incoming:
3688 runstate_set(RUN_STATE_INMIGRATE);
3690 case QEMU_OPTION_nodefaults:
3692 default_parallel = 0;
3693 default_virtcon = 0;
3695 default_monitor = 0;
3702 case QEMU_OPTION_xen_domid:
3703 if (!(xen_available())) {
3704 printf("Option %s not supported for this target\n", popt->name);
3707 xen_domid = atoi(optarg);
3709 case QEMU_OPTION_xen_create:
3710 if (!(xen_available())) {
3711 printf("Option %s not supported for this target\n", popt->name);
3714 xen_mode = XEN_CREATE;
3716 case QEMU_OPTION_xen_attach:
3717 if (!(xen_available())) {
3718 printf("Option %s not supported for this target\n", popt->name);
3721 xen_mode = XEN_ATTACH;
3723 case QEMU_OPTION_trace:
3725 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3729 trace_events = qemu_opt_get(opts, "events");
3730 trace_file = qemu_opt_get(opts, "file");
3733 case QEMU_OPTION_readconfig:
3735 int ret = qemu_read_config_file(optarg);
3737 fprintf(stderr, "read config %s: %s\n", optarg,
3743 case QEMU_OPTION_spice:
3744 olist = qemu_find_opts("spice");
3746 fprintf(stderr, "spice is not supported by this qemu build.\n");
3749 opts = qemu_opts_parse(olist, optarg, 0);
3755 case QEMU_OPTION_writeconfig:
3758 if (strcmp(optarg, "-") == 0) {
3761 fp = fopen(optarg, "w");
3763 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3767 qemu_config_write(fp);
3771 case QEMU_OPTION_qtest:
3772 qtest_chrdev = optarg;
3774 case QEMU_OPTION_qtest_log:
3777 case QEMU_OPTION_sandbox:
3778 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3783 case QEMU_OPTION_add_fd:
3785 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3790 error_report("File descriptor passing is disabled on this "
3795 case QEMU_OPTION_object:
3796 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3801 case QEMU_OPTION_realtime:
3802 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3806 configure_realtime(opts);
3808 case QEMU_OPTION_msg:
3809 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3813 configure_msg(opts);
3816 os_parse_cmd_args(popt->index, optarg);
3822 if (qemu_init_main_loop()) {
3823 fprintf(stderr, "qemu_init_main_loop failed\n");
3827 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3832 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3836 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3841 if (machine == NULL) {
3842 fprintf(stderr, "No machine found.\n");
3846 if (machine->hw_version) {
3847 qemu_set_version(machine->hw_version);
3850 if (qemu_opts_foreach(qemu_find_opts("object"),
3851 object_create, NULL, 0) != 0) {
3855 /* Init CPU def lists, based on config
3856 * - Must be called after all the qemu_read_config_file() calls
3857 * - Must be called before list_cpus()
3858 * - Must be called before machine->init()
3862 if (cpu_model && is_help_option(cpu_model)) {
3863 list_cpus(stdout, &fprintf, cpu_model);
3867 /* Open the logfile at this point, if necessary. We can't open the logfile
3868 * when encountering either of the logging options (-d or -D) because the
3869 * other one may be encountered later on the command line, changing the
3870 * location or level of logging.
3875 qemu_set_log_filename(log_file);
3878 mask = qemu_str_to_log_mask(log_mask);
3880 qemu_print_log_usage(stdout);
3886 if (!is_daemonized()) {
3887 if (!trace_backend_init(trace_events, trace_file)) {
3892 /* If no data_dir is specified then try to find it relative to the
3894 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3895 data_dir[data_dir_idx] = os_find_datadir();
3896 if (data_dir[data_dir_idx] != NULL) {
3900 /* If all else fails use the install path specified when building. */
3901 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3902 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3905 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3907 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3908 if (smp_cpus > machine->max_cpus) {
3909 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3910 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3916 * Get the default machine options from the machine if it is not already
3917 * specified either by the configuration file or by the command line.
3919 if (machine->default_machine_opts) {
3920 qemu_opts_set_defaults(qemu_find_opts("machine"),
3921 machine->default_machine_opts, 0);
3924 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3925 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3927 if (machine->no_serial) {
3930 if (machine->no_parallel) {
3931 default_parallel = 0;
3933 if (!machine->use_virtcon) {
3934 default_virtcon = 0;
3936 if (!machine->use_sclp) {
3939 if (machine->no_floppy) {
3942 if (machine->no_cdrom) {
3945 if (machine->no_sdcard) {
3949 if (is_daemonized()) {
3950 /* According to documentation and historically, -nographic redirects
3951 * serial port, parallel port and monitor to stdio, which does not work
3952 * with -daemonize. We can redirect these to null instead, but since
3953 * -nographic is legacy, let's just error out.
3954 * We disallow -nographic only if all other ports are not redirected
3955 * explicitly, to not break existing legacy setups which uses
3956 * -nographic _and_ redirects all ports explicitly - this is valid
3957 * usage, -nographic is just a no-op in this case.
3959 if (display_type == DT_NOGRAPHIC
3960 && (default_parallel || default_serial
3961 || default_monitor || default_virtcon)) {
3962 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3965 #ifdef CONFIG_CURSES
3966 if (display_type == DT_CURSES) {
3967 fprintf(stderr, "curses display can not be used with -daemonize\n");
3973 if (display_type == DT_NOGRAPHIC) {
3974 if (default_parallel)
3975 add_device_config(DEV_PARALLEL, "null");
3976 if (default_serial && default_monitor) {
3977 add_device_config(DEV_SERIAL, "mon:stdio");
3978 } else if (default_virtcon && default_monitor) {
3979 add_device_config(DEV_VIRTCON, "mon:stdio");
3980 } else if (default_sclp && default_monitor) {
3981 add_device_config(DEV_SCLP, "mon:stdio");
3984 add_device_config(DEV_SERIAL, "stdio");
3985 if (default_virtcon)
3986 add_device_config(DEV_VIRTCON, "stdio");
3988 add_device_config(DEV_SCLP, "stdio");
3990 if (default_monitor)
3991 monitor_parse("stdio", "readline");
3995 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3996 if (default_parallel)
3997 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3998 if (default_monitor)
3999 monitor_parse("vc:80Cx24C", "readline");
4000 if (default_virtcon)
4001 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4003 add_device_config(DEV_SCLP, "vc:80Cx24C");
4007 if (display_type == DT_DEFAULT && !display_remote) {
4008 #if defined(CONFIG_GTK)
4009 display_type = DT_GTK;
4010 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4011 display_type = DT_SDL;
4012 #elif defined(CONFIG_VNC)
4013 vnc_display = "localhost:0,to=99";
4016 display_type = DT_NONE;
4020 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4021 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4022 "for SDL, ignoring option\n");
4024 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4025 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4026 "ignoring option\n");
4029 #if defined(CONFIG_GTK)
4030 if (display_type == DT_GTK) {
4031 early_gtk_display_init();
4037 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4039 #ifdef CONFIG_VIRTFS
4040 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4047 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4052 /* init the memory */
4053 if (ram_size == 0) {
4054 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4057 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4062 configure_accelerator(machine);
4065 Error *local_err = NULL;
4066 qtest_init(qtest_chrdev, qtest_log, &local_err);
4068 error_report("%s", error_get_pretty(local_err));
4069 error_free(local_err);
4074 machine_opts = qemu_get_machine_opts();
4075 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4076 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4077 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4078 bios_name = qemu_opt_get(machine_opts, "firmware");
4080 boot_order = machine->default_boot_order;
4081 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4083 char *normal_boot_order;
4084 const char *order, *once;
4086 order = qemu_opt_get(opts, "order");
4088 validate_bootdevices(order);
4092 once = qemu_opt_get(opts, "once");
4094 validate_bootdevices(once);
4095 normal_boot_order = g_strdup(boot_order);
4097 qemu_register_reset(restore_boot_order, normal_boot_order);
4100 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4101 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4104 if (!kernel_cmdline) {
4105 kernel_cmdline = "";
4108 linux_boot = (kernel_filename != NULL);
4110 if (!linux_boot && *kernel_cmdline != '\0') {
4111 fprintf(stderr, "-append only allowed with -kernel option\n");
4115 if (!linux_boot && initrd_filename != NULL) {
4116 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4120 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4121 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4125 os_set_line_buffering();
4127 qemu_init_cpu_loop();
4128 qemu_mutex_lock_iothread();
4131 /* spice needs the timers to be initialized by this point */
4135 if (icount_option && (kvm_enabled() || xen_enabled())) {
4136 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4139 configure_icount(icount_option);
4141 /* clean up network at qemu process termination */
4142 atexit(&net_cleanup);
4144 if (net_init_clients() < 0) {
4149 if (tpm_init() < 0) {
4154 /* init the bluetooth world */
4155 if (foreach_device_config(DEV_BT, bt_parse))
4158 if (!xen_enabled()) {
4159 /* On 32-bit hosts, QEMU is limited by virtual address space */
4160 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4161 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4166 cpu_exec_init_all();
4170 /* open the virtual block devices */
4172 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4173 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4174 &machine->block_default_type, 1) != 0) {
4178 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4180 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4181 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4183 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4185 if (nb_numa_nodes > 0) {
4188 if (nb_numa_nodes > MAX_NODES) {
4189 nb_numa_nodes = MAX_NODES;
4192 /* If no memory size if given for any node, assume the default case
4193 * and distribute the available memory equally across all nodes
4195 for (i = 0; i < nb_numa_nodes; i++) {
4196 if (node_mem[i] != 0)
4199 if (i == nb_numa_nodes) {
4200 uint64_t usedmem = 0;
4202 /* On Linux, the each node's border has to be 8MB aligned,
4203 * the final node gets the rest.
4205 for (i = 0; i < nb_numa_nodes - 1; i++) {
4206 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4207 usedmem += node_mem[i];
4209 node_mem[i] = ram_size - usedmem;
4212 for (i = 0; i < nb_numa_nodes; i++) {
4213 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4217 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4218 * must cope with this anyway, because there are BIOSes out there in
4219 * real machines which also use this scheme.
4221 if (i == nb_numa_nodes) {
4222 for (i = 0; i < max_cpus; i++) {
4223 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4228 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4232 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4234 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4236 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4238 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4241 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4244 /* If no default VGA is requested, the default is "none". */
4246 if (cirrus_vga_available()) {
4247 vga_model = "cirrus";
4248 } else if (vga_available()) {
4252 select_vgahw(vga_model);
4255 i = select_watchdog(watchdog);
4257 exit (i == 1 ? 1 : 0);
4260 if (machine->compat_props) {
4261 qdev_prop_register_global_list(machine->compat_props);
4265 qdev_machine_init();
4267 QEMUMachineInitArgs args = { .machine = machine,
4268 .ram_size = ram_size,
4269 .boot_order = boot_order,
4270 .kernel_filename = kernel_filename,
4271 .kernel_cmdline = kernel_cmdline,
4272 .initrd_filename = initrd_filename,
4273 .cpu_model = cpu_model };
4274 machine->init(&args);
4278 cpu_synchronize_all_post_init();
4282 current_machine = machine;
4284 /* init USB devices */
4285 if (usb_enabled(false)) {
4286 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4290 /* init generic devices */
4291 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4294 net_check_clients();
4296 ds = init_displaystate();
4298 /* init local displays */
4299 switch (display_type) {
4301 (void)ds; /* avoid warning if no display is configured */
4303 #if defined(CONFIG_CURSES)
4305 curses_display_init(ds, full_screen);
4308 #if defined(CONFIG_SDL)
4310 sdl_display_init(ds, full_screen, no_frame);
4312 #elif defined(CONFIG_COCOA)
4314 cocoa_display_init(ds, full_screen);
4317 #if defined(CONFIG_GTK)
4319 gtk_display_init(ds, full_screen);
4326 /* must be after terminal init, SDL library changes signal handlers */
4327 os_setup_signal_handling();
4330 /* init remote displays */
4332 Error *local_err = NULL;
4333 vnc_display_init(ds);
4334 vnc_display_open(ds, vnc_display, &local_err);
4335 if (local_err != NULL) {
4336 error_report("Failed to start VNC server on `%s': %s",
4337 vnc_display, error_get_pretty(local_err));
4338 error_free(local_err);
4342 if (show_vnc_port) {
4343 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4349 qemu_spice_display_init();
4353 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4357 qdev_machine_creation_done();
4359 if (rom_load_all() != 0) {
4360 fprintf(stderr, "rom loading failed\n");
4364 /* TODO: once all bus devices are qdevified, this should be done
4365 * when bus is created by qdev.c */
4366 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4367 qemu_run_machine_init_done_notifiers();
4369 /* Done notifiers can load ROMs */
4372 qemu_system_reset(VMRESET_SILENT);
4374 if (load_vmstate(loadvm) < 0) {
4380 Error *local_err = NULL;
4381 qemu_start_incoming_migration(incoming, &local_err);
4383 error_report("-incoming %s: %s", incoming,
4384 error_get_pretty(local_err));
4385 error_free(local_err);
4388 } else if (autostart) {
4394 if (is_daemonized()) {
4395 if (!trace_backend_init(trace_events, trace_file)) {