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 "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "sysemu/seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
154 #include "fsdev/qemu-fsdev.h"
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir[16];
183 static int data_dir_idx;
184 const char *bios_name = NULL;
185 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186 DisplayType display_type = DT_DEFAULT;
187 static int display_remote;
188 const char* keyboard_layout = NULL;
190 const char *mem_path = NULL;
192 int mem_prealloc = 0; /* force preallocation of physical target memory */
195 NICInfo nd_table[MAX_NICS];
197 static int rtc_utc = 1;
198 static int rtc_date_offset = -1; /* -1 means no change */
199 QEMUClock *rtc_clock;
200 int vga_interface_type = VGA_NONE;
201 static int full_screen = 0;
203 static int no_frame = 0;
206 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
207 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
208 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
209 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
210 int win2k_install_hack = 0;
217 const char *vnc_display;
219 int acpi_enabled = 1;
222 static int no_reboot;
225 int graphic_rotate = 0;
226 const char *watchdog;
227 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
229 int semihosting_enabled = 0;
231 const char *qemu_name;
234 unsigned int nb_prom_envs = 0;
235 const char *prom_envs[MAX_PROM_ENVS];
238 uint8_t *boot_splash_filedata;
239 size_t boot_splash_filedata_size;
240 uint8_t qemu_extra_params_fw[2];
242 typedef struct FWBootEntry FWBootEntry;
245 QTAILQ_ENTRY(FWBootEntry) link;
251 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
252 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
255 uint64_t node_mem[MAX_NODES];
256 unsigned long *node_cpumask[MAX_NODES];
258 uint8_t qemu_uuid[16];
260 static QEMUBootSetHandler *boot_set_handler;
261 static void *boot_set_opaque;
263 static NotifierList exit_notifiers =
264 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
266 static NotifierList machine_init_done_notifiers =
267 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
269 static bool tcg_allowed = true;
273 enum xen_mode xen_mode = XEN_EMULATE;
274 static int tcg_tb_size;
276 static int default_serial = 1;
277 static int default_parallel = 1;
278 static int default_virtcon = 1;
279 static int default_sclp = 1;
280 static int default_monitor = 1;
281 static int default_floppy = 1;
282 static int default_cdrom = 1;
283 static int default_sdcard = 1;
284 static int default_vga = 1;
290 { .driver = "isa-serial", .flag = &default_serial },
291 { .driver = "isa-parallel", .flag = &default_parallel },
292 { .driver = "isa-fdc", .flag = &default_floppy },
293 { .driver = "ide-cd", .flag = &default_cdrom },
294 { .driver = "ide-hd", .flag = &default_cdrom },
295 { .driver = "ide-drive", .flag = &default_cdrom },
296 { .driver = "scsi-cd", .flag = &default_cdrom },
297 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
298 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
299 { .driver = "virtio-serial", .flag = &default_virtcon },
300 { .driver = "VGA", .flag = &default_vga },
301 { .driver = "isa-vga", .flag = &default_vga },
302 { .driver = "cirrus-vga", .flag = &default_vga },
303 { .driver = "isa-cirrus-vga", .flag = &default_vga },
304 { .driver = "vmware-svga", .flag = &default_vga },
305 { .driver = "qxl-vga", .flag = &default_vga },
308 static QemuOptsList qemu_rtc_opts = {
310 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
314 .type = QEMU_OPT_STRING,
317 .type = QEMU_OPT_STRING,
320 .type = QEMU_OPT_STRING,
322 { /* end of list */ }
326 static QemuOptsList qemu_sandbox_opts = {
328 .implied_opt_name = "enable",
329 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
333 .type = QEMU_OPT_BOOL,
335 { /* end of list */ }
339 static QemuOptsList qemu_trace_opts = {
341 .implied_opt_name = "trace",
342 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
346 .type = QEMU_OPT_STRING,
349 .type = QEMU_OPT_STRING,
351 { /* end of list */ }
355 static QemuOptsList qemu_option_rom_opts = {
356 .name = "option-rom",
357 .implied_opt_name = "romfile",
358 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
362 .type = QEMU_OPT_NUMBER,
365 .type = QEMU_OPT_STRING,
367 { /* end of list */ }
371 static QemuOptsList qemu_machine_opts = {
373 .implied_opt_name = "type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
379 .type = QEMU_OPT_STRING,
380 .help = "emulated machine"
383 .type = QEMU_OPT_STRING,
384 .help = "accelerator list",
386 .name = "kernel_irqchip",
387 .type = QEMU_OPT_BOOL,
388 .help = "use KVM in-kernel irqchip",
390 .name = "kvm_shadow_mem",
391 .type = QEMU_OPT_SIZE,
392 .help = "KVM shadow MMU size",
395 .type = QEMU_OPT_STRING,
396 .help = "Linux kernel image file",
399 .type = QEMU_OPT_STRING,
400 .help = "Linux initial ramdisk file",
403 .type = QEMU_OPT_STRING,
404 .help = "Linux kernel command line",
407 .type = QEMU_OPT_STRING,
408 .help = "Linux kernel device tree file",
411 .type = QEMU_OPT_STRING,
412 .help = "Dump current dtb to a file and quit",
414 .name = "phandle_start",
415 .type = QEMU_OPT_STRING,
416 .help = "The first phandle ID we may generate dynamically",
418 .name = "dt_compatible",
419 .type = QEMU_OPT_STRING,
420 .help = "Overrides the \"compatible\" property of the dt root node",
422 .name = "dump-guest-core",
423 .type = QEMU_OPT_BOOL,
424 .help = "Include guest memory in a core dump",
427 .type = QEMU_OPT_BOOL,
428 .help = "enable/disable memory merge support",
431 .type = QEMU_OPT_BOOL,
432 .help = "Set on/off to enable/disable usb",
434 { /* End of list */ }
438 static QemuOptsList qemu_boot_opts = {
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
442 /* the three names below are not used now */
445 .type = QEMU_OPT_STRING,
448 .type = QEMU_OPT_STRING,
451 .type = QEMU_OPT_STRING,
452 /* following are really used */
455 .type = QEMU_OPT_STRING,
457 .name = "splash-time",
458 .type = QEMU_OPT_STRING,
460 .name = "reboot-timeout",
461 .type = QEMU_OPT_STRING,
464 .type = QEMU_OPT_STRING,
470 static QemuOptsList qemu_add_fd_opts = {
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
476 .type = QEMU_OPT_NUMBER,
477 .help = "file descriptor of which a duplicate is added to fd set",
480 .type = QEMU_OPT_NUMBER,
481 .help = "ID of the fd set to add fd to",
484 .type = QEMU_OPT_STRING,
485 .help = "free-form string used to describe fd",
487 { /* end of list */ }
491 static QemuOptsList qemu_object_opts = {
493 .implied_opt_name = "qom-type",
494 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
500 static QemuOptsList qemu_tpmdev_opts = {
502 .implied_opt_name = "type",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
507 .type = QEMU_OPT_STRING,
508 .help = "Type of TPM backend",
511 .name = "cancel-path",
512 .type = QEMU_OPT_STRING,
513 .help = "Sysfs file entry for canceling TPM commands",
517 .type = QEMU_OPT_STRING,
518 .help = "Path to TPM device on the host",
520 { /* end of list */ }
524 const char *qemu_get_vm_name(void)
529 static void res_free(void)
531 if (boot_splash_filedata != NULL) {
532 g_free(boot_splash_filedata);
533 boot_splash_filedata = NULL;
537 static int default_driver_check(QemuOpts *opts, void *opaque)
539 const char *driver = qemu_opt_get(opts, "driver");
544 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
545 if (strcmp(default_list[i].driver, driver) != 0)
547 *(default_list[i].flag) = 0;
552 /***********************************************************/
555 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560 } RunStateTransition;
562 static const RunStateTransition runstate_transitions_def[] = {
564 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
566 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
567 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
569 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
570 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
572 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
573 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
576 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
578 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
581 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
582 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
585 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
586 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
588 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
590 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
591 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
592 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
593 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
594 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
596 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
597 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
598 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
600 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
602 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
603 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
605 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
606 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
607 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
608 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
611 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_MAX, RUN_STATE_MAX },
616 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
618 bool runstate_check(RunState state)
620 return current_run_state == state;
623 static void runstate_init(void)
625 const RunStateTransition *p;
627 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
629 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
630 runstate_valid_transitions[p->from][p->to] = true;
634 /* This function will abort() on invalid state transitions */
635 void runstate_set(RunState new_state)
637 assert(new_state < RUN_STATE_MAX);
639 if (!runstate_valid_transitions[current_run_state][new_state]) {
640 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
641 RunState_lookup[current_run_state],
642 RunState_lookup[new_state]);
645 trace_runstate_set(new_state);
646 current_run_state = new_state;
649 int runstate_is_running(void)
651 return runstate_check(RUN_STATE_RUNNING);
654 StatusInfo *qmp_query_status(Error **errp)
656 StatusInfo *info = g_malloc0(sizeof(*info));
658 info->running = runstate_is_running();
659 info->singlestep = singlestep;
660 info->status = current_run_state;
665 /***********************************************************/
666 /* real time host monotonic timer */
668 /***********************************************************/
669 /* host time/date access */
670 void qemu_get_timedate(struct tm *tm, int offset)
676 if (rtc_date_offset == -1) {
680 localtime_r(&ti, tm);
682 ti -= rtc_date_offset;
687 int qemu_timedate_diff(struct tm *tm)
691 if (rtc_date_offset == -1)
693 seconds = mktimegm(tm);
696 tmp.tm_isdst = -1; /* use timezone to figure it out */
697 seconds = mktime(&tmp);
700 seconds = mktimegm(tm) + rtc_date_offset;
702 return seconds - time(NULL);
705 void rtc_change_mon_event(struct tm *tm)
709 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
710 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
711 qobject_decref(data);
714 static void configure_rtc_date_offset(const char *startdate, int legacy)
716 time_t rtc_start_date;
719 if (!strcmp(startdate, "now") && legacy) {
720 rtc_date_offset = -1;
722 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
730 } else if (sscanf(startdate, "%d-%d-%d",
742 rtc_start_date = mktimegm(&tm);
743 if (rtc_start_date == -1) {
745 fprintf(stderr, "Invalid date format. Valid formats are:\n"
746 "'2006-06-17T16:01:21' or '2006-06-17'\n");
749 rtc_date_offset = time(NULL) - rtc_start_date;
753 static void configure_rtc(QemuOpts *opts)
757 value = qemu_opt_get(opts, "base");
759 if (!strcmp(value, "utc")) {
761 } else if (!strcmp(value, "localtime")) {
764 configure_rtc_date_offset(value, 0);
767 value = qemu_opt_get(opts, "clock");
769 if (!strcmp(value, "host")) {
770 rtc_clock = host_clock;
771 } else if (!strcmp(value, "rt")) {
772 rtc_clock = rt_clock;
773 } else if (!strcmp(value, "vm")) {
774 rtc_clock = vm_clock;
776 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
780 value = qemu_opt_get(opts, "driftfix");
782 if (!strcmp(value, "slew")) {
783 static GlobalProperty slew_lost_ticks[] = {
785 .driver = "mc146818rtc",
786 .property = "lost_tick_policy",
789 { /* end of list */ }
792 qdev_prop_register_global_list(slew_lost_ticks);
793 } else if (!strcmp(value, "none")) {
794 /* discard is default */
796 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
802 /***********************************************************/
803 /* Bluetooth support */
806 static struct HCIInfo *hci_table[MAX_NICS];
808 static struct bt_vlan_s {
809 struct bt_scatternet_s net;
811 struct bt_vlan_s *next;
814 /* find or alloc a new bluetooth "VLAN" */
815 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
817 struct bt_vlan_s **pvlan, *vlan;
818 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
822 vlan = g_malloc0(sizeof(struct bt_vlan_s));
824 pvlan = &first_bt_vlan;
825 while (*pvlan != NULL)
826 pvlan = &(*pvlan)->next;
831 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
835 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
840 static struct HCIInfo null_hci = {
841 .cmd_send = null_hci_send,
842 .sco_send = null_hci_send,
843 .acl_send = null_hci_send,
844 .bdaddr_set = null_hci_addr_set,
847 struct HCIInfo *qemu_next_hci(void)
849 if (cur_hci == nb_hcis)
852 return hci_table[cur_hci++];
855 static struct HCIInfo *hci_init(const char *str)
858 struct bt_scatternet_s *vlan = 0;
860 if (!strcmp(str, "null"))
863 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
865 return bt_host_hci(str[4] ? str + 5 : "hci0");
866 else if (!strncmp(str, "hci", 3)) {
869 if (!strncmp(str + 3, ",vlan=", 6)) {
870 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
875 vlan = qemu_find_bt_vlan(0);
877 return bt_new_hci(vlan);
880 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
885 static int bt_hci_parse(const char *str)
890 if (nb_hcis >= MAX_NICS) {
891 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 bdaddr.b[5] = 0x56 + nb_hcis;
905 hci->bdaddr_set(hci, bdaddr.b);
907 hci_table[nb_hcis++] = hci;
912 static void bt_vhci_add(int vlan_id)
914 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
917 fprintf(stderr, "qemu: warning: adding a VHCI to "
918 "an empty scatternet %i\n", vlan_id);
920 bt_vhci_init(bt_new_hci(vlan));
923 static struct bt_device_s *bt_device_add(const char *opt)
925 struct bt_scatternet_s *vlan;
927 char *endp = strstr(opt, ",vlan=");
928 int len = (endp ? endp - opt : strlen(opt)) + 1;
931 pstrcpy(devname, MIN(sizeof(devname), len), opt);
934 vlan_id = strtol(endp + 6, &endp, 0);
936 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
941 vlan = qemu_find_bt_vlan(vlan_id);
944 fprintf(stderr, "qemu: warning: adding a slave device to "
945 "an empty scatternet %i\n", vlan_id);
947 if (!strcmp(devname, "keyboard"))
948 return bt_keyboard_init(vlan);
950 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
954 static int bt_parse(const char *opt)
956 const char *endp, *p;
959 if (strstart(opt, "hci", &endp)) {
960 if (!*endp || *endp == ',') {
962 if (!strstart(endp, ",vlan=", 0))
965 return bt_hci_parse(opt);
967 } else if (strstart(opt, "vhci", &endp)) {
968 if (!*endp || *endp == ',') {
970 if (strstart(endp, ",vlan=", &p)) {
971 vlan = strtol(p, (char **) &endp, 0);
973 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
977 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
986 } else if (strstart(opt, "device:", &endp))
987 return !bt_device_add(endp);
989 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
993 static int parse_sandbox(QemuOpts *opts, void *opaque)
995 /* FIXME: change this to true for 1.3 */
996 if (qemu_opt_get_bool(opts, "enable", false)) {
997 #ifdef CONFIG_SECCOMP
998 if (seccomp_start() < 0) {
999 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1000 "failed to install seccomp syscall filter in the kernel");
1004 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1005 "sandboxing request but seccomp is not compiled into this build");
1013 /*********QEMU USB setting******/
1014 bool usb_enabled(bool default_usb)
1016 QemuOpts *mach_opts;
1017 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
1019 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
1025 static int parse_add_fd(QemuOpts *opts, void *opaque)
1027 int fd, dupfd, flags;
1029 const char *fd_opaque = NULL;
1031 fd = qemu_opt_get_number(opts, "fd", -1);
1032 fdset_id = qemu_opt_get_number(opts, "set", -1);
1033 fd_opaque = qemu_opt_get(opts, "opaque");
1036 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1037 "fd option is required and must be non-negative");
1041 if (fd <= STDERR_FILENO) {
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1043 "fd cannot be a standard I/O stream");
1048 * All fds inherited across exec() necessarily have FD_CLOEXEC
1049 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1051 flags = fcntl(fd, F_GETFD);
1052 if (flags == -1 || (flags & FD_CLOEXEC)) {
1053 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1054 "fd is not valid or already in use");
1059 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1060 "set option is required and must be non-negative");
1064 #ifdef F_DUPFD_CLOEXEC
1065 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1069 qemu_set_cloexec(dupfd);
1073 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1074 "Error duplicating fd: %s", strerror(errno));
1078 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1079 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1085 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1089 fd = qemu_opt_get_number(opts, "fd", -1);
1096 /***********************************************************/
1097 /* QEMU Block devices */
1099 #define HD_OPTS "media=disk"
1100 #define CDROM_OPTS "media=cdrom"
1102 #define PFLASH_OPTS ""
1106 static int drive_init_func(QemuOpts *opts, void *opaque)
1108 BlockInterfaceType *block_default_type = opaque;
1110 return drive_init(opts, *block_default_type) == NULL;
1113 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1115 if (NULL == qemu_opt_get(opts, "snapshot")) {
1116 qemu_opt_set(opts, "snapshot", "on");
1121 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1122 int index, const char *optstr)
1126 if (!enable || drive_get_by_index(type, index)) {
1130 opts = drive_add(type, index, NULL, optstr);
1132 drive_enable_snapshot(opts, NULL);
1134 if (!drive_init(opts, type)) {
1139 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1141 boot_set_handler = func;
1142 boot_set_opaque = opaque;
1145 int qemu_boot_set(const char *boot_devices)
1147 if (!boot_set_handler) {
1150 return boot_set_handler(boot_set_opaque, boot_devices);
1153 static void validate_bootdevices(char *devices)
1155 /* We just do some generic consistency checks */
1159 for (p = devices; *p != '\0'; p++) {
1160 /* Allowed boot devices are:
1161 * a-b: floppy disk drives
1162 * c-f: IDE disk drives
1163 * g-m: machine implementation dependent drives
1164 * n-p: network devices
1165 * It's up to each machine implementation to check if the given boot
1166 * devices match the actual hardware implementation and firmware
1169 if (*p < 'a' || *p > 'p') {
1170 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1173 if (bitmap & (1 << (*p - 'a'))) {
1174 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1177 bitmap |= 1 << (*p - 'a');
1181 static void restore_boot_devices(void *opaque)
1183 char *standard_boot_devices = opaque;
1184 static int first = 1;
1186 /* Restore boot order and remove ourselves after the first boot */
1192 qemu_boot_set(standard_boot_devices);
1194 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1195 g_free(standard_boot_devices);
1198 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1201 FWBootEntry *node, *i;
1203 if (bootindex < 0) {
1207 assert(dev != NULL || suffix != NULL);
1209 node = g_malloc0(sizeof(FWBootEntry));
1210 node->bootindex = bootindex;
1211 node->suffix = suffix ? g_strdup(suffix) : NULL;
1214 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1215 if (i->bootindex == bootindex) {
1216 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1218 } else if (i->bootindex < bootindex) {
1221 QTAILQ_INSERT_BEFORE(i, node, link);
1224 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1228 * This function returns null terminated string that consist of new line
1229 * separated device paths.
1231 * memory pointed by "size" is assigned total length of the array in bytes
1234 char *get_boot_devices_list(size_t *size)
1240 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1241 char *devpath = NULL, *bootpath;
1245 devpath = qdev_get_fw_dev_path(i->dev);
1249 if (i->suffix && devpath) {
1250 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1252 bootpath = g_malloc(bootpathlen);
1253 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1255 } else if (devpath) {
1259 bootpath = g_strdup(i->suffix);
1263 list[total-1] = '\n';
1265 len = strlen(bootpath) + 1;
1266 list = g_realloc(list, total + len);
1267 memcpy(&list[total], bootpath, len);
1274 if (boot_strict && *size > 0) {
1275 list[total-1] = '\n';
1276 list = g_realloc(list, total + 5);
1277 memcpy(&list[total], "HALT", 5);
1283 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1286 unsigned long long value, endvalue;
1288 /* Empty CPU range strings will be considered valid, they will simply
1289 * not set any bit in the CPU bitmap.
1295 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1298 if (*endptr == '-') {
1299 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1302 } else if (*endptr == '\0') {
1308 if (endvalue >= MAX_CPUMASK_BITS) {
1309 endvalue = MAX_CPUMASK_BITS - 1;
1311 "qemu: NUMA: A max of %d VCPUs are supported\n",
1315 if (endvalue < value) {
1319 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1323 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1327 static void numa_add(const char *optarg)
1331 unsigned long long nodenr;
1333 optarg = get_opt_name(option, 128, optarg, ',');
1334 if (*optarg == ',') {
1337 if (!strcmp(option, "node")) {
1339 if (nb_numa_nodes >= MAX_NODES) {
1340 fprintf(stderr, "qemu: too many NUMA nodes\n");
1344 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1345 nodenr = nb_numa_nodes;
1347 if (parse_uint_full(option, &nodenr, 10) < 0) {
1348 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1353 if (nodenr >= MAX_NODES) {
1354 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1358 if (get_param_value(option, 128, "mem", optarg) == 0) {
1359 node_mem[nodenr] = 0;
1362 sval = strtosz(option, &endptr);
1363 if (sval < 0 || *endptr) {
1364 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1367 node_mem[nodenr] = sval;
1369 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1370 numa_node_parse_cpus(nodenr, option);
1374 fprintf(stderr, "Invalid -numa option: %s\n", option);
1379 static void smp_parse(const char *optarg)
1381 int smp, sockets = 0, threads = 0, cores = 0;
1385 smp = strtoul(optarg, &endptr, 10);
1386 if (endptr != optarg) {
1387 if (*endptr == ',') {
1391 if (get_param_value(option, 128, "sockets", endptr) != 0)
1392 sockets = strtoull(option, NULL, 10);
1393 if (get_param_value(option, 128, "cores", endptr) != 0)
1394 cores = strtoull(option, NULL, 10);
1395 if (get_param_value(option, 128, "threads", endptr) != 0)
1396 threads = strtoull(option, NULL, 10);
1397 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1398 max_cpus = strtoull(option, NULL, 10);
1400 /* compute missing values, prefer sockets over cores over threads */
1401 if (smp == 0 || sockets == 0) {
1402 sockets = sockets > 0 ? sockets : 1;
1403 cores = cores > 0 ? cores : 1;
1404 threads = threads > 0 ? threads : 1;
1406 smp = cores * threads * sockets;
1410 threads = threads > 0 ? threads : 1;
1411 cores = smp / (sockets * threads);
1413 threads = smp / (cores * sockets);
1417 smp_cores = cores > 0 ? cores : 1;
1418 smp_threads = threads > 0 ? threads : 1;
1420 max_cpus = smp_cpus;
1423 /***********************************************************/
1426 static int usb_device_add(const char *devname)
1429 USBDevice *dev = NULL;
1431 if (!usb_enabled(false)) {
1435 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1436 dev = usbdevice_create(devname);
1440 /* the other ones */
1441 #ifndef CONFIG_LINUX
1442 /* only the linux version is qdev-ified, usb-bsd still needs this */
1443 if (strstart(devname, "host:", &p)) {
1444 dev = usb_host_device_open(usb_bus_find(-1), p);
1447 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1448 dev = usb_bt_init(usb_bus_find(-1),
1449 devname[2] ? hci_init(p)
1450 : bt_new_hci(qemu_find_bt_vlan(0)));
1461 static int usb_device_del(const char *devname)
1466 if (strstart(devname, "host:", &p)) {
1470 if (!usb_enabled(false)) {
1474 p = strchr(devname, '.');
1477 bus_num = strtoul(devname, NULL, 0);
1478 addr = strtoul(p + 1, NULL, 0);
1480 return usb_device_delete_addr(bus_num, addr);
1483 static int usb_parse(const char *cmdline)
1486 r = usb_device_add(cmdline);
1488 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1493 void do_usb_add(Monitor *mon, const QDict *qdict)
1495 const char *devname = qdict_get_str(qdict, "devname");
1496 if (usb_device_add(devname) < 0) {
1497 error_report("could not add USB device '%s'", devname);
1501 void do_usb_del(Monitor *mon, const QDict *qdict)
1503 const char *devname = qdict_get_str(qdict, "devname");
1504 if (usb_device_del(devname) < 0) {
1505 error_report("could not delete USB device '%s'", devname);
1509 /***********************************************************/
1510 /* PCMCIA/Cardbus */
1512 static struct pcmcia_socket_entry_s {
1513 PCMCIASocket *socket;
1514 struct pcmcia_socket_entry_s *next;
1515 } *pcmcia_sockets = 0;
1517 void pcmcia_socket_register(PCMCIASocket *socket)
1519 struct pcmcia_socket_entry_s *entry;
1521 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1522 entry->socket = socket;
1523 entry->next = pcmcia_sockets;
1524 pcmcia_sockets = entry;
1527 void pcmcia_socket_unregister(PCMCIASocket *socket)
1529 struct pcmcia_socket_entry_s *entry, **ptr;
1531 ptr = &pcmcia_sockets;
1532 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1533 if (entry->socket == socket) {
1539 void pcmcia_info(Monitor *mon, const QDict *qdict)
1541 struct pcmcia_socket_entry_s *iter;
1543 if (!pcmcia_sockets)
1544 monitor_printf(mon, "No PCMCIA sockets\n");
1546 for (iter = pcmcia_sockets; iter; iter = iter->next)
1547 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1548 iter->socket->attached ? iter->socket->card_string :
1552 /***********************************************************/
1553 /* machine registration */
1555 static QEMUMachine *first_machine = NULL;
1556 QEMUMachine *current_machine = NULL;
1558 int qemu_register_machine(QEMUMachine *m)
1561 pm = &first_machine;
1569 static QEMUMachine *find_machine(const char *name)
1573 for(m = first_machine; m != NULL; m = m->next) {
1574 if (!strcmp(m->name, name))
1576 if (m->alias && !strcmp(m->alias, name))
1582 QEMUMachine *find_default_machine(void)
1586 for(m = first_machine; m != NULL; m = m->next) {
1587 if (m->is_default) {
1594 MachineInfoList *qmp_query_machines(Error **errp)
1596 MachineInfoList *mach_list = NULL;
1599 for (m = first_machine; m; m = m->next) {
1600 MachineInfoList *entry;
1603 info = g_malloc0(sizeof(*info));
1604 if (m->is_default) {
1605 info->has_is_default = true;
1606 info->is_default = true;
1610 info->has_alias = true;
1611 info->alias = g_strdup(m->alias);
1614 info->name = g_strdup(m->name);
1615 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1617 entry = g_malloc0(sizeof(*entry));
1618 entry->value = info;
1619 entry->next = mach_list;
1626 /***********************************************************/
1627 /* main execution loop */
1629 static void gui_update(void *opaque)
1631 uint64_t interval = GUI_REFRESH_INTERVAL;
1632 DisplayState *ds = opaque;
1633 DisplayChangeListener *dcl;
1637 QLIST_FOREACH(dcl, &ds->listeners, next) {
1638 if (dcl->gui_timer_interval &&
1639 dcl->gui_timer_interval < interval)
1640 interval = dcl->gui_timer_interval;
1642 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1645 void gui_setup_refresh(DisplayState *ds)
1647 DisplayChangeListener *dcl;
1648 bool need_timer = false;
1649 bool have_gfx = false;
1650 bool have_text = false;
1652 QLIST_FOREACH(dcl, &ds->listeners, next) {
1653 if (dcl->ops->dpy_refresh != NULL) {
1656 if (dcl->ops->dpy_gfx_update != NULL) {
1659 if (dcl->ops->dpy_text_update != NULL) {
1664 if (need_timer && ds->gui_timer == NULL) {
1665 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1666 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1668 if (!need_timer && ds->gui_timer != NULL) {
1669 qemu_del_timer(ds->gui_timer);
1670 qemu_free_timer(ds->gui_timer);
1671 ds->gui_timer = NULL;
1674 ds->have_gfx = have_gfx;
1675 ds->have_text = have_text;
1678 struct vm_change_state_entry {
1679 VMChangeStateHandler *cb;
1681 QLIST_ENTRY (vm_change_state_entry) entries;
1684 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1686 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1689 VMChangeStateEntry *e;
1691 e = g_malloc0(sizeof (*e));
1695 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1699 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1701 QLIST_REMOVE (e, entries);
1705 void vm_state_notify(int running, RunState state)
1707 VMChangeStateEntry *e;
1709 trace_vm_state_notify(running, state);
1711 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1712 e->cb(e->opaque, running, state);
1718 if (!runstate_is_running()) {
1720 runstate_set(RUN_STATE_RUNNING);
1721 vm_state_notify(1, RUN_STATE_RUNNING);
1723 monitor_protocol_event(QEVENT_RESUME, NULL);
1727 /* reset/shutdown handler */
1729 typedef struct QEMUResetEntry {
1730 QTAILQ_ENTRY(QEMUResetEntry) entry;
1731 QEMUResetHandler *func;
1735 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1736 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1737 static int reset_requested;
1738 static int shutdown_requested, shutdown_signal = -1;
1739 static pid_t shutdown_pid;
1740 static int powerdown_requested;
1741 static int debug_requested;
1742 static int suspend_requested;
1743 static int wakeup_requested;
1744 static NotifierList powerdown_notifiers =
1745 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1746 static NotifierList suspend_notifiers =
1747 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1748 static NotifierList wakeup_notifiers =
1749 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1750 static uint32_t wakeup_reason_mask = ~0;
1751 static RunState vmstop_requested = RUN_STATE_MAX;
1753 int qemu_shutdown_requested_get(void)
1755 return shutdown_requested;
1758 int qemu_reset_requested_get(void)
1760 return reset_requested;
1763 static int qemu_shutdown_requested(void)
1765 int r = shutdown_requested;
1766 shutdown_requested = 0;
1770 static void qemu_kill_report(void)
1772 if (!qtest_enabled() && shutdown_signal != -1) {
1773 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1774 if (shutdown_pid == 0) {
1775 /* This happens for eg ^C at the terminal, so it's worth
1776 * avoiding printing an odd message in that case.
1778 fputc('\n', stderr);
1780 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1782 shutdown_signal = -1;
1786 static int qemu_reset_requested(void)
1788 int r = reset_requested;
1789 reset_requested = 0;
1793 static int qemu_suspend_requested(void)
1795 int r = suspend_requested;
1796 suspend_requested = 0;
1800 static int qemu_wakeup_requested(void)
1802 int r = wakeup_requested;
1803 wakeup_requested = 0;
1807 static int qemu_powerdown_requested(void)
1809 int r = powerdown_requested;
1810 powerdown_requested = 0;
1814 static int qemu_debug_requested(void)
1816 int r = debug_requested;
1817 debug_requested = 0;
1821 /* We use RUN_STATE_MAX but any invalid value will do */
1822 static bool qemu_vmstop_requested(RunState *r)
1824 if (vmstop_requested < RUN_STATE_MAX) {
1825 *r = vmstop_requested;
1826 vmstop_requested = RUN_STATE_MAX;
1833 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1835 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1838 re->opaque = opaque;
1839 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1842 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1846 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1847 if (re->func == func && re->opaque == opaque) {
1848 QTAILQ_REMOVE(&reset_handlers, re, entry);
1855 void qemu_devices_reset(void)
1857 QEMUResetEntry *re, *nre;
1859 /* reset all devices */
1860 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1861 re->func(re->opaque);
1865 void qemu_system_reset(bool report)
1867 if (current_machine && current_machine->reset) {
1868 current_machine->reset();
1870 qemu_devices_reset();
1873 monitor_protocol_event(QEVENT_RESET, NULL);
1875 cpu_synchronize_all_post_reset();
1878 void qemu_system_reset_request(void)
1881 shutdown_requested = 1;
1883 reset_requested = 1;
1886 qemu_notify_event();
1889 static void qemu_system_suspend(void)
1892 notifier_list_notify(&suspend_notifiers, NULL);
1893 runstate_set(RUN_STATE_SUSPENDED);
1894 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1897 void qemu_system_suspend_request(void)
1899 if (runstate_check(RUN_STATE_SUSPENDED)) {
1902 suspend_requested = 1;
1904 qemu_notify_event();
1907 void qemu_register_suspend_notifier(Notifier *notifier)
1909 notifier_list_add(&suspend_notifiers, notifier);
1912 void qemu_system_wakeup_request(WakeupReason reason)
1914 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1917 if (!(wakeup_reason_mask & (1 << reason))) {
1920 runstate_set(RUN_STATE_RUNNING);
1921 notifier_list_notify(&wakeup_notifiers, &reason);
1922 wakeup_requested = 1;
1923 qemu_notify_event();
1926 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1929 wakeup_reason_mask |= (1 << reason);
1931 wakeup_reason_mask &= ~(1 << reason);
1935 void qemu_register_wakeup_notifier(Notifier *notifier)
1937 notifier_list_add(&wakeup_notifiers, notifier);
1940 void qemu_system_killed(int signal, pid_t pid)
1942 shutdown_signal = signal;
1945 qemu_system_shutdown_request();
1948 void qemu_system_shutdown_request(void)
1950 shutdown_requested = 1;
1951 qemu_notify_event();
1954 static void qemu_system_powerdown(void)
1956 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1957 notifier_list_notify(&powerdown_notifiers, NULL);
1960 void qemu_system_powerdown_request(void)
1962 powerdown_requested = 1;
1963 qemu_notify_event();
1966 void qemu_register_powerdown_notifier(Notifier *notifier)
1968 notifier_list_add(&powerdown_notifiers, notifier);
1971 void qemu_system_debug_request(void)
1973 debug_requested = 1;
1974 qemu_notify_event();
1977 void qemu_system_vmstop_request(RunState state)
1979 vmstop_requested = state;
1980 qemu_notify_event();
1983 static bool main_loop_should_exit(void)
1986 if (qemu_debug_requested()) {
1987 vm_stop(RUN_STATE_DEBUG);
1989 if (qemu_suspend_requested()) {
1990 qemu_system_suspend();
1992 if (qemu_shutdown_requested()) {
1994 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1996 vm_stop(RUN_STATE_SHUTDOWN);
2001 if (qemu_reset_requested()) {
2003 cpu_synchronize_all_states();
2004 qemu_system_reset(VMRESET_REPORT);
2006 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
2007 runstate_check(RUN_STATE_SHUTDOWN)) {
2008 runstate_set(RUN_STATE_PAUSED);
2011 if (qemu_wakeup_requested()) {
2013 cpu_synchronize_all_states();
2014 qemu_system_reset(VMRESET_SILENT);
2016 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2018 if (qemu_powerdown_requested()) {
2019 qemu_system_powerdown();
2021 if (qemu_vmstop_requested(&r)) {
2027 static void main_loop(void)
2031 #ifdef CONFIG_PROFILER
2035 nonblocking = !kvm_enabled() && last_io > 0;
2036 #ifdef CONFIG_PROFILER
2037 ti = profile_getclock();
2039 last_io = main_loop_wait(nonblocking);
2040 #ifdef CONFIG_PROFILER
2041 dev_time += profile_getclock() - ti;
2043 } while (!main_loop_should_exit());
2046 static void version(void)
2048 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2051 static void help(int exitcode)
2054 printf("usage: %s [options] [disk_image]\n\n"
2055 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2056 error_get_progname());
2058 #define QEMU_OPTIONS_GENERATE_HELP
2059 #include "qemu-options-wrapper.h"
2061 printf("\nDuring emulation, the following keys are useful:\n"
2062 "ctrl-alt-f toggle full screen\n"
2063 "ctrl-alt-n switch to virtual console 'n'\n"
2064 "ctrl-alt toggle mouse and keyboard grab\n"
2066 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2071 #define HAS_ARG 0x0001
2073 typedef struct QEMUOption {
2080 static const QEMUOption qemu_options[] = {
2081 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2082 #define QEMU_OPTIONS_GENERATE_OPTIONS
2083 #include "qemu-options-wrapper.h"
2087 static bool vga_available(void)
2089 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2092 static bool cirrus_vga_available(void)
2094 return object_class_by_name("cirrus-vga")
2095 || object_class_by_name("isa-cirrus-vga");
2098 static bool vmware_vga_available(void)
2100 return object_class_by_name("vmware-svga");
2103 static bool qxl_vga_available(void)
2105 return object_class_by_name("qxl-vga");
2108 static void select_vgahw (const char *p)
2112 vga_interface_type = VGA_NONE;
2113 if (strstart(p, "std", &opts)) {
2114 if (vga_available()) {
2115 vga_interface_type = VGA_STD;
2117 fprintf(stderr, "Error: standard VGA not available\n");
2120 } else if (strstart(p, "cirrus", &opts)) {
2121 if (cirrus_vga_available()) {
2122 vga_interface_type = VGA_CIRRUS;
2124 fprintf(stderr, "Error: Cirrus VGA not available\n");
2127 } else if (strstart(p, "vmware", &opts)) {
2128 if (vmware_vga_available()) {
2129 vga_interface_type = VGA_VMWARE;
2131 fprintf(stderr, "Error: VMWare SVGA not available\n");
2134 } else if (strstart(p, "xenfb", &opts)) {
2135 vga_interface_type = VGA_XENFB;
2136 } else if (strstart(p, "qxl", &opts)) {
2137 if (qxl_vga_available()) {
2138 vga_interface_type = VGA_QXL;
2140 fprintf(stderr, "Error: QXL VGA not available\n");
2143 } else if (!strstart(p, "none", &opts)) {
2145 fprintf(stderr, "Unknown vga type: %s\n", p);
2149 const char *nextopt;
2151 if (strstart(opts, ",retrace=", &nextopt)) {
2153 if (strstart(opts, "dumb", &nextopt))
2154 vga_retrace_method = VGA_RETRACE_DUMB;
2155 else if (strstart(opts, "precise", &nextopt))
2156 vga_retrace_method = VGA_RETRACE_PRECISE;
2157 else goto invalid_vga;
2158 } else goto invalid_vga;
2163 static DisplayType select_display(const char *p)
2166 DisplayType display = DT_DEFAULT;
2168 if (strstart(p, "sdl", &opts)) {
2172 const char *nextopt;
2174 if (strstart(opts, ",frame=", &nextopt)) {
2176 if (strstart(opts, "on", &nextopt)) {
2178 } else if (strstart(opts, "off", &nextopt)) {
2181 goto invalid_sdl_args;
2183 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2185 if (strstart(opts, "on", &nextopt)) {
2187 } else if (strstart(opts, "off", &nextopt)) {
2190 goto invalid_sdl_args;
2192 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2194 if (strstart(opts, "on", &nextopt)) {
2196 } else if (strstart(opts, "off", &nextopt)) {
2199 goto invalid_sdl_args;
2201 } else if (strstart(opts, ",window_close=", &nextopt)) {
2203 if (strstart(opts, "on", &nextopt)) {
2205 } else if (strstart(opts, "off", &nextopt)) {
2208 goto invalid_sdl_args;
2212 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2218 fprintf(stderr, "SDL support is disabled\n");
2221 } else if (strstart(p, "vnc", &opts)) {
2226 const char *nextopt;
2228 if (strstart(opts, "=", &nextopt)) {
2229 vnc_display = nextopt;
2233 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2237 fprintf(stderr, "VNC support is disabled\n");
2240 } else if (strstart(p, "curses", &opts)) {
2241 #ifdef CONFIG_CURSES
2242 display = DT_CURSES;
2244 fprintf(stderr, "Curses support is disabled\n");
2247 } else if (strstart(p, "gtk", &opts)) {
2251 fprintf(stderr, "GTK support is disabled\n");
2254 } else if (strstart(p, "none", &opts)) {
2257 fprintf(stderr, "Unknown display type: %s\n", p);
2264 static int balloon_parse(const char *arg)
2268 if (strcmp(arg, "none") == 0) {
2272 if (!strncmp(arg, "virtio", 6)) {
2273 if (arg[6] == ',') {
2274 /* have params -> parse them */
2275 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2279 /* create empty opts */
2280 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2282 qemu_opt_set(opts, "driver", "virtio-balloon");
2289 char *qemu_find_file(int type, const char *name)
2295 /* Try the name as a straight path first */
2296 if (access(name, R_OK) == 0) {
2297 trace_load_file(name, name);
2298 return g_strdup(name);
2302 case QEMU_FILE_TYPE_BIOS:
2305 case QEMU_FILE_TYPE_KEYMAP:
2306 subdir = "keymaps/";
2312 for (i = 0; i < data_dir_idx; i++) {
2313 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2314 if (access(buf, R_OK) == 0) {
2315 trace_load_file(name, buf);
2323 static int device_help_func(QemuOpts *opts, void *opaque)
2325 return qdev_device_help(opts);
2328 static int device_init_func(QemuOpts *opts, void *opaque)
2332 dev = qdev_device_add(opts);
2335 object_unref(OBJECT(dev));
2339 static int chardev_init_func(QemuOpts *opts, void *opaque)
2341 Error *local_err = NULL;
2343 qemu_chr_new_from_opts(opts, NULL, &local_err);
2344 if (error_is_set(&local_err)) {
2345 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2346 error_free(local_err);
2352 #ifdef CONFIG_VIRTFS
2353 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2356 ret = qemu_fsdev_add(opts);
2362 static int mon_init_func(QemuOpts *opts, void *opaque)
2364 CharDriverState *chr;
2365 const char *chardev;
2369 mode = qemu_opt_get(opts, "mode");
2373 if (strcmp(mode, "readline") == 0) {
2374 flags = MONITOR_USE_READLINE;
2375 } else if (strcmp(mode, "control") == 0) {
2376 flags = MONITOR_USE_CONTROL;
2378 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2382 if (qemu_opt_get_bool(opts, "pretty", 0))
2383 flags |= MONITOR_USE_PRETTY;
2385 if (qemu_opt_get_bool(opts, "default", 0))
2386 flags |= MONITOR_IS_DEFAULT;
2388 chardev = qemu_opt_get(opts, "chardev");
2389 chr = qemu_chr_find(chardev);
2391 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2395 qemu_chr_fe_claim_no_fail(chr);
2396 monitor_init(chr, flags);
2400 static void monitor_parse(const char *optarg, const char *mode)
2402 static int monitor_device_index = 0;
2408 if (strstart(optarg, "chardev:", &p)) {
2409 snprintf(label, sizeof(label), "%s", p);
2411 snprintf(label, sizeof(label), "compat_monitor%d",
2412 monitor_device_index);
2413 if (monitor_device_index == 0) {
2416 opts = qemu_chr_parse_compat(label, optarg);
2418 fprintf(stderr, "parse error: %s\n", optarg);
2423 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2425 fprintf(stderr, "duplicate chardev: %s\n", label);
2428 qemu_opt_set(opts, "mode", mode);
2429 qemu_opt_set(opts, "chardev", label);
2431 qemu_opt_set(opts, "default", "on");
2432 monitor_device_index++;
2435 struct device_config {
2437 DEV_USB, /* -usbdevice */
2439 DEV_SERIAL, /* -serial */
2440 DEV_PARALLEL, /* -parallel */
2441 DEV_VIRTCON, /* -virtioconsole */
2442 DEV_DEBUGCON, /* -debugcon */
2443 DEV_GDB, /* -gdb, -s */
2444 DEV_SCLP, /* s390 sclp */
2446 const char *cmdline;
2448 QTAILQ_ENTRY(device_config) next;
2451 static QTAILQ_HEAD(, device_config) device_configs =
2452 QTAILQ_HEAD_INITIALIZER(device_configs);
2454 static void add_device_config(int type, const char *cmdline)
2456 struct device_config *conf;
2458 conf = g_malloc0(sizeof(*conf));
2460 conf->cmdline = cmdline;
2461 loc_save(&conf->loc);
2462 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2465 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2467 struct device_config *conf;
2470 QTAILQ_FOREACH(conf, &device_configs, next) {
2471 if (conf->type != type)
2473 loc_push_restore(&conf->loc);
2474 rc = func(conf->cmdline);
2475 loc_pop(&conf->loc);
2482 static int serial_parse(const char *devname)
2484 static int index = 0;
2487 if (strcmp(devname, "none") == 0)
2489 if (index == MAX_SERIAL_PORTS) {
2490 fprintf(stderr, "qemu: too many serial ports\n");
2493 snprintf(label, sizeof(label), "serial%d", index);
2494 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2495 if (!serial_hds[index]) {
2496 fprintf(stderr, "qemu: could not connect serial device"
2497 " to character backend '%s'\n", devname);
2504 static int parallel_parse(const char *devname)
2506 static int index = 0;
2509 if (strcmp(devname, "none") == 0)
2511 if (index == MAX_PARALLEL_PORTS) {
2512 fprintf(stderr, "qemu: too many parallel ports\n");
2515 snprintf(label, sizeof(label), "parallel%d", index);
2516 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2517 if (!parallel_hds[index]) {
2518 fprintf(stderr, "qemu: could not connect parallel device"
2519 " to character backend '%s'\n", devname);
2526 static int virtcon_parse(const char *devname)
2528 QemuOptsList *device = qemu_find_opts("device");
2529 static int index = 0;
2531 QemuOpts *bus_opts, *dev_opts;
2533 if (strcmp(devname, "none") == 0)
2535 if (index == MAX_VIRTIO_CONSOLES) {
2536 fprintf(stderr, "qemu: too many virtio consoles\n");
2540 bus_opts = qemu_opts_create_nofail(device);
2541 if (arch_type == QEMU_ARCH_S390X) {
2542 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2544 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2547 dev_opts = qemu_opts_create_nofail(device);
2548 qemu_opt_set(dev_opts, "driver", "virtconsole");
2550 snprintf(label, sizeof(label), "virtcon%d", index);
2551 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2552 if (!virtcon_hds[index]) {
2553 fprintf(stderr, "qemu: could not connect virtio console"
2554 " to character backend '%s'\n", devname);
2557 qemu_opt_set(dev_opts, "chardev", label);
2563 static int sclp_parse(const char *devname)
2565 QemuOptsList *device = qemu_find_opts("device");
2566 static int index = 0;
2570 if (strcmp(devname, "none") == 0) {
2573 if (index == MAX_SCLP_CONSOLES) {
2574 fprintf(stderr, "qemu: too many sclp consoles\n");
2578 assert(arch_type == QEMU_ARCH_S390X);
2580 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2581 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2583 snprintf(label, sizeof(label), "sclpcon%d", index);
2584 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2585 if (!sclp_hds[index]) {
2586 fprintf(stderr, "qemu: could not connect sclp console"
2587 " to character backend '%s'\n", devname);
2590 qemu_opt_set(dev_opts, "chardev", label);
2596 static int debugcon_parse(const char *devname)
2600 if (!qemu_chr_new("debugcon", devname, NULL)) {
2603 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2605 fprintf(stderr, "qemu: already have a debugcon device\n");
2608 qemu_opt_set(opts, "driver", "isa-debugcon");
2609 qemu_opt_set(opts, "chardev", "debugcon");
2613 static QEMUMachine *machine_parse(const char *name)
2615 QEMUMachine *m, *machine = NULL;
2618 machine = find_machine(name);
2623 printf("Supported machines are:\n");
2624 for (m = first_machine; m != NULL; m = m->next) {
2626 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2628 printf("%-20s %s%s\n", m->name, m->desc,
2629 m->is_default ? " (default)" : "");
2631 exit(!name || !is_help_option(name));
2634 static int tcg_init(void)
2636 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2641 const char *opt_name;
2643 int (*available)(void);
2647 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2648 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2649 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2650 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2653 static int configure_accelerator(void)
2655 const char *p = NULL;
2658 bool accel_initialised = false;
2659 bool init_failed = false;
2661 QemuOptsList *list = qemu_find_opts("machine");
2662 if (!QTAILQ_EMPTY(&list->head)) {
2663 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2667 /* Use the default "accelerator", tcg */
2671 while (!accel_initialised && *p != '\0') {
2675 p = get_opt_name(buf, sizeof (buf), p, ':');
2676 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2677 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2678 if (!accel_list[i].available()) {
2679 printf("%s not supported for this target\n",
2680 accel_list[i].name);
2683 *(accel_list[i].allowed) = true;
2684 ret = accel_list[i].init();
2687 fprintf(stderr, "failed to initialize %s: %s\n",
2690 *(accel_list[i].allowed) = false;
2692 accel_initialised = true;
2697 if (i == ARRAY_SIZE(accel_list)) {
2698 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2702 if (!accel_initialised) {
2704 fprintf(stderr, "No accelerator found!\n");
2710 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2713 return !accel_initialised;
2716 void qemu_add_exit_notifier(Notifier *notify)
2718 notifier_list_add(&exit_notifiers, notify);
2721 void qemu_remove_exit_notifier(Notifier *notify)
2723 notifier_remove(notify);
2726 static void qemu_run_exit_notifiers(void)
2728 notifier_list_notify(&exit_notifiers, NULL);
2731 void qemu_add_machine_init_done_notifier(Notifier *notify)
2733 notifier_list_add(&machine_init_done_notifiers, notify);
2736 static void qemu_run_machine_init_done_notifiers(void)
2738 notifier_list_notify(&machine_init_done_notifiers, NULL);
2741 static const QEMUOption *lookup_opt(int argc, char **argv,
2742 const char **poptarg, int *poptind)
2744 const QEMUOption *popt;
2745 int optind = *poptind;
2746 char *r = argv[optind];
2749 loc_set_cmdline(argv, optind, 1);
2751 /* Treat --foo the same as -foo. */
2754 popt = qemu_options;
2757 error_report("invalid option");
2760 if (!strcmp(popt->name, r + 1))
2764 if (popt->flags & HAS_ARG) {
2765 if (optind >= argc) {
2766 error_report("requires an argument");
2769 optarg = argv[optind++];
2770 loc_set_cmdline(argv, optind - 2, 2);
2781 static gpointer malloc_and_trace(gsize n_bytes)
2783 void *ptr = malloc(n_bytes);
2784 trace_g_malloc(n_bytes, ptr);
2788 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2790 void *ptr = realloc(mem, n_bytes);
2791 trace_g_realloc(mem, n_bytes, ptr);
2795 static void free_and_trace(gpointer mem)
2801 static int object_set_property(const char *name, const char *value, void *opaque)
2803 Object *obj = OBJECT(opaque);
2804 StringInputVisitor *siv;
2805 Error *local_err = NULL;
2807 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2811 siv = string_input_visitor_new(value);
2812 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2813 string_input_visitor_cleanup(siv);
2816 qerror_report_err(local_err);
2817 error_free(local_err);
2824 static int object_create(QemuOpts *opts, void *opaque)
2826 const char *type = qemu_opt_get(opts, "qom-type");
2827 const char *id = qemu_opts_id(opts);
2830 g_assert(type != NULL);
2833 qerror_report(QERR_MISSING_PARAMETER, "id");
2837 obj = object_new(type);
2838 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2842 object_property_add_child(container_get(object_get_root(), "/objects"),
2848 int main(int argc, char **argv, char **envp)
2851 int snapshot, linux_boot;
2852 const char *icount_option = NULL;
2853 const char *initrd_filename;
2854 const char *kernel_filename, *kernel_cmdline;
2855 char boot_devices[33] = "";
2857 int cyls, heads, secs, translation;
2858 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2859 QemuOptsList *olist;
2862 const char *loadvm = NULL;
2863 QEMUMachine *machine;
2864 const char *cpu_model;
2865 const char *vga_model = "none";
2866 const char *pid_file = NULL;
2867 const char *incoming = NULL;
2869 int show_vnc_port = 0;
2871 bool defconfig = true;
2872 bool userconfig = true;
2873 const char *log_mask = NULL;
2874 const char *log_file = NULL;
2875 GMemVTable mem_trace = {
2876 .malloc = malloc_and_trace,
2877 .realloc = realloc_and_trace,
2878 .free = free_and_trace,
2880 const char *trace_events = NULL;
2881 const char *trace_file = NULL;
2883 atexit(qemu_run_exit_notifiers);
2884 error_set_progname(argv[0]);
2886 g_mem_set_vtable(&mem_trace);
2887 if (!g_thread_supported()) {
2888 #if !GLIB_CHECK_VERSION(2, 31, 0)
2889 g_thread_init(NULL);
2891 fprintf(stderr, "glib threading failed to initialize.\n");
2896 module_call_init(MODULE_INIT_QOM);
2898 qemu_add_opts(&qemu_drive_opts);
2899 qemu_add_opts(&qemu_chardev_opts);
2900 qemu_add_opts(&qemu_device_opts);
2901 qemu_add_opts(&qemu_netdev_opts);
2902 qemu_add_opts(&qemu_net_opts);
2903 qemu_add_opts(&qemu_rtc_opts);
2904 qemu_add_opts(&qemu_global_opts);
2905 qemu_add_opts(&qemu_mon_opts);
2906 qemu_add_opts(&qemu_trace_opts);
2907 qemu_add_opts(&qemu_option_rom_opts);
2908 qemu_add_opts(&qemu_machine_opts);
2909 qemu_add_opts(&qemu_boot_opts);
2910 qemu_add_opts(&qemu_sandbox_opts);
2911 qemu_add_opts(&qemu_add_fd_opts);
2912 qemu_add_opts(&qemu_object_opts);
2913 qemu_add_opts(&qemu_tpmdev_opts);
2918 rtc_clock = host_clock;
2920 qemu_cache_utils_init(envp);
2922 QLIST_INIT (&vm_change_state_head);
2923 os_setup_early_signal_handling();
2925 module_call_init(MODULE_INIT_MACHINE);
2926 machine = find_default_machine();
2930 cyls = heads = secs = 0;
2931 translation = BIOS_ATA_TRANSLATION_AUTO;
2933 for (i = 0; i < MAX_NODES; i++) {
2935 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2941 bdrv_init_with_whitelist();
2945 /* first pass of option parsing */
2947 while (optind < argc) {
2948 if (argv[optind][0] != '-') {
2953 const QEMUOption *popt;
2955 popt = lookup_opt(argc, argv, &optarg, &optind);
2956 switch (popt->index) {
2957 case QEMU_OPTION_nodefconfig:
2960 case QEMU_OPTION_nouserconfig:
2969 ret = qemu_read_default_config_files(userconfig);
2975 /* second pass of option parsing */
2980 if (argv[optind][0] != '-') {
2981 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2983 const QEMUOption *popt;
2985 popt = lookup_opt(argc, argv, &optarg, &optind);
2986 if (!(popt->arch_mask & arch_type)) {
2987 printf("Option %s not supported for this target\n", popt->name);
2990 switch(popt->index) {
2992 machine = machine_parse(optarg);
2994 case QEMU_OPTION_no_kvm_irqchip: {
2995 olist = qemu_find_opts("machine");
2996 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2999 case QEMU_OPTION_cpu:
3000 /* hw initialization will check this */
3003 case QEMU_OPTION_hda:
3007 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3009 snprintf(buf, sizeof(buf),
3010 "%s,cyls=%d,heads=%d,secs=%d%s",
3011 HD_OPTS , cyls, heads, secs,
3012 translation == BIOS_ATA_TRANSLATION_LBA ?
3014 translation == BIOS_ATA_TRANSLATION_NONE ?
3015 ",trans=none" : "");
3016 drive_add(IF_DEFAULT, 0, optarg, buf);
3019 case QEMU_OPTION_hdb:
3020 case QEMU_OPTION_hdc:
3021 case QEMU_OPTION_hdd:
3022 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3025 case QEMU_OPTION_drive:
3026 if (drive_def(optarg) == NULL) {
3030 case QEMU_OPTION_set:
3031 if (qemu_set_option(optarg) != 0)
3034 case QEMU_OPTION_global:
3035 if (qemu_global_option(optarg) != 0)
3038 case QEMU_OPTION_mtdblock:
3039 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3041 case QEMU_OPTION_sd:
3042 drive_add(IF_SD, -1, optarg, SD_OPTS);
3044 case QEMU_OPTION_pflash:
3045 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3047 case QEMU_OPTION_snapshot:
3050 case QEMU_OPTION_hdachs:
3054 cyls = strtol(p, (char **)&p, 0);
3055 if (cyls < 1 || cyls > 16383)
3060 heads = strtol(p, (char **)&p, 0);
3061 if (heads < 1 || heads > 16)
3066 secs = strtol(p, (char **)&p, 0);
3067 if (secs < 1 || secs > 63)
3071 if (!strcmp(p, "none"))
3072 translation = BIOS_ATA_TRANSLATION_NONE;
3073 else if (!strcmp(p, "lba"))
3074 translation = BIOS_ATA_TRANSLATION_LBA;
3075 else if (!strcmp(p, "auto"))
3076 translation = BIOS_ATA_TRANSLATION_AUTO;
3079 } else if (*p != '\0') {
3081 fprintf(stderr, "qemu: invalid physical CHS format\n");
3084 if (hda_opts != NULL) {
3086 snprintf(num, sizeof(num), "%d", cyls);
3087 qemu_opt_set(hda_opts, "cyls", num);
3088 snprintf(num, sizeof(num), "%d", heads);
3089 qemu_opt_set(hda_opts, "heads", num);
3090 snprintf(num, sizeof(num), "%d", secs);
3091 qemu_opt_set(hda_opts, "secs", num);
3092 if (translation == BIOS_ATA_TRANSLATION_LBA)
3093 qemu_opt_set(hda_opts, "trans", "lba");
3094 if (translation == BIOS_ATA_TRANSLATION_NONE)
3095 qemu_opt_set(hda_opts, "trans", "none");
3099 case QEMU_OPTION_numa:
3102 case QEMU_OPTION_display:
3103 display_type = select_display(optarg);
3105 case QEMU_OPTION_nographic:
3106 display_type = DT_NOGRAPHIC;
3108 case QEMU_OPTION_curses:
3109 #ifdef CONFIG_CURSES
3110 display_type = DT_CURSES;
3112 fprintf(stderr, "Curses support is disabled\n");
3116 case QEMU_OPTION_portrait:
3117 graphic_rotate = 90;
3119 case QEMU_OPTION_rotate:
3120 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3121 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3122 graphic_rotate != 180 && graphic_rotate != 270) {
3124 "qemu: only 90, 180, 270 deg rotation is available\n");
3128 case QEMU_OPTION_kernel:
3129 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3131 case QEMU_OPTION_initrd:
3132 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3134 case QEMU_OPTION_append:
3135 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3137 case QEMU_OPTION_dtb:
3138 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3140 case QEMU_OPTION_cdrom:
3141 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3143 case QEMU_OPTION_boot:
3145 static const char * const params[] = {
3146 "order", "once", "menu",
3147 "splash", "splash-time",
3148 "reboot-timeout", "strict", NULL
3150 char buf[sizeof(boot_devices)];
3151 char *standard_boot_devices;
3154 if (!strchr(optarg, '=')) {
3156 pstrcpy(buf, sizeof(buf), optarg);
3157 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3159 "qemu: unknown boot parameter '%s' in '%s'\n",
3165 get_param_value(buf, sizeof(buf), "order", optarg)) {
3166 validate_bootdevices(buf);
3167 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3170 if (get_param_value(buf, sizeof(buf),
3172 validate_bootdevices(buf);
3173 standard_boot_devices = g_strdup(boot_devices);
3174 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3175 qemu_register_reset(restore_boot_devices,
3176 standard_boot_devices);
3178 if (get_param_value(buf, sizeof(buf),
3180 if (!strcmp(buf, "on")) {
3182 } else if (!strcmp(buf, "off")) {
3186 "qemu: invalid option value '%s'\n",
3191 if (get_param_value(buf, sizeof(buf),
3192 "strict", optarg)) {
3193 if (!strcmp(buf, "on")) {
3195 } else if (!strcmp(buf, "off")) {
3196 boot_strict = false;
3199 "qemu: invalid option value '%s'\n",
3204 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3211 case QEMU_OPTION_fda:
3212 case QEMU_OPTION_fdb:
3213 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3216 case QEMU_OPTION_no_fd_bootchk:
3219 case QEMU_OPTION_netdev:
3220 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3224 case QEMU_OPTION_net:
3225 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3229 #ifdef CONFIG_LIBISCSI
3230 case QEMU_OPTION_iscsi:
3231 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3238 case QEMU_OPTION_tftp:
3239 legacy_tftp_prefix = optarg;
3241 case QEMU_OPTION_bootp:
3242 legacy_bootp_filename = optarg;
3244 case QEMU_OPTION_redir:
3245 if (net_slirp_redir(optarg) < 0)
3249 case QEMU_OPTION_bt:
3250 add_device_config(DEV_BT, optarg);
3252 case QEMU_OPTION_audio_help:
3253 if (!(audio_available())) {
3254 printf("Option %s not supported for this target\n", popt->name);
3260 case QEMU_OPTION_soundhw:
3261 if (!(audio_available())) {
3262 printf("Option %s not supported for this target\n", popt->name);
3265 select_soundhw (optarg);
3270 case QEMU_OPTION_version:
3274 case QEMU_OPTION_m: {
3279 value = strtosz(optarg, &end);
3280 if (value < 0 || *end) {
3281 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3284 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3286 if (ram_size != sz) {
3287 fprintf(stderr, "qemu: ram size too large\n");
3293 case QEMU_OPTION_tpmdev:
3294 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3299 case QEMU_OPTION_mempath:
3303 case QEMU_OPTION_mem_prealloc:
3314 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3316 case QEMU_OPTION_gdb:
3317 add_device_config(DEV_GDB, optarg);
3320 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3321 data_dir[data_dir_idx++] = optarg;
3324 case QEMU_OPTION_bios:
3327 case QEMU_OPTION_singlestep:
3334 keyboard_layout = optarg;
3336 case QEMU_OPTION_localtime:
3339 case QEMU_OPTION_vga:
3348 w = strtol(p, (char **)&p, 10);
3351 fprintf(stderr, "qemu: invalid resolution or depth\n");
3357 h = strtol(p, (char **)&p, 10);
3362 depth = strtol(p, (char **)&p, 10);
3363 if (depth != 8 && depth != 15 && depth != 16 &&
3364 depth != 24 && depth != 32)
3366 } else if (*p == '\0') {
3367 depth = graphic_depth;
3374 graphic_depth = depth;
3377 case QEMU_OPTION_echr:
3380 term_escape_char = strtol(optarg, &r, 0);
3382 printf("Bad argument to echr\n");
3385 case QEMU_OPTION_monitor:
3386 monitor_parse(optarg, "readline");
3387 default_monitor = 0;
3389 case QEMU_OPTION_qmp:
3390 monitor_parse(optarg, "control");
3391 default_monitor = 0;
3393 case QEMU_OPTION_mon:
3394 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3398 default_monitor = 0;
3400 case QEMU_OPTION_chardev:
3401 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3406 case QEMU_OPTION_fsdev:
3407 olist = qemu_find_opts("fsdev");
3409 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3412 opts = qemu_opts_parse(olist, optarg, 1);
3417 case QEMU_OPTION_virtfs: {
3420 const char *writeout, *sock_fd, *socket;
3422 olist = qemu_find_opts("virtfs");
3424 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3427 opts = qemu_opts_parse(olist, optarg, 1);
3432 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3433 qemu_opt_get(opts, "mount_tag") == NULL) {
3434 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3437 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3438 qemu_opt_get(opts, "mount_tag"),
3441 fprintf(stderr, "duplicate fsdev id: %s\n",
3442 qemu_opt_get(opts, "mount_tag"));
3446 writeout = qemu_opt_get(opts, "writeout");
3448 #ifdef CONFIG_SYNC_FILE_RANGE
3449 qemu_opt_set(fsdev, "writeout", writeout);
3451 fprintf(stderr, "writeout=immediate not supported on "
3456 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3457 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3458 qemu_opt_set(fsdev, "security_model",
3459 qemu_opt_get(opts, "security_model"));
3460 socket = qemu_opt_get(opts, "socket");
3462 qemu_opt_set(fsdev, "socket", socket);
3464 sock_fd = qemu_opt_get(opts, "sock_fd");
3466 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3469 qemu_opt_set_bool(fsdev, "readonly",
3470 qemu_opt_get_bool(opts, "readonly", 0));
3471 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3472 qemu_opt_set(device, "driver", "virtio-9p-pci");
3473 qemu_opt_set(device, "fsdev",
3474 qemu_opt_get(opts, "mount_tag"));
3475 qemu_opt_set(device, "mount_tag",
3476 qemu_opt_get(opts, "mount_tag"));
3479 case QEMU_OPTION_virtfs_synth: {
3483 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3486 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3489 qemu_opt_set(fsdev, "fsdriver", "synth");
3491 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3492 qemu_opt_set(device, "driver", "virtio-9p-pci");
3493 qemu_opt_set(device, "fsdev", "v_synth");
3494 qemu_opt_set(device, "mount_tag", "v_synth");
3497 case QEMU_OPTION_serial:
3498 add_device_config(DEV_SERIAL, optarg);
3500 if (strncmp(optarg, "mon:", 4) == 0) {
3501 default_monitor = 0;
3504 case QEMU_OPTION_watchdog:
3507 "qemu: only one watchdog option may be given\n");
3512 case QEMU_OPTION_watchdog_action:
3513 if (select_watchdog_action(optarg) == -1) {
3514 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3518 case QEMU_OPTION_virtiocon:
3519 add_device_config(DEV_VIRTCON, optarg);
3520 default_virtcon = 0;
3521 if (strncmp(optarg, "mon:", 4) == 0) {
3522 default_monitor = 0;
3525 case QEMU_OPTION_parallel:
3526 add_device_config(DEV_PARALLEL, optarg);
3527 default_parallel = 0;
3528 if (strncmp(optarg, "mon:", 4) == 0) {
3529 default_monitor = 0;
3532 case QEMU_OPTION_debugcon:
3533 add_device_config(DEV_DEBUGCON, optarg);
3535 case QEMU_OPTION_loadvm:
3538 case QEMU_OPTION_full_screen:
3542 case QEMU_OPTION_no_frame:
3545 case QEMU_OPTION_alt_grab:
3548 case QEMU_OPTION_ctrl_grab:
3551 case QEMU_OPTION_no_quit:
3554 case QEMU_OPTION_sdl:
3555 display_type = DT_SDL;
3558 case QEMU_OPTION_no_frame:
3559 case QEMU_OPTION_alt_grab:
3560 case QEMU_OPTION_ctrl_grab:
3561 case QEMU_OPTION_no_quit:
3562 case QEMU_OPTION_sdl:
3563 fprintf(stderr, "SDL support is disabled\n");
3566 case QEMU_OPTION_pidfile:
3569 case QEMU_OPTION_win2k_hack:
3570 win2k_install_hack = 1;
3572 case QEMU_OPTION_rtc_td_hack: {
3573 static GlobalProperty slew_lost_ticks[] = {
3575 .driver = "mc146818rtc",
3576 .property = "lost_tick_policy",
3579 { /* end of list */ }
3582 qdev_prop_register_global_list(slew_lost_ticks);
3585 case QEMU_OPTION_acpitable:
3586 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3587 g_assert(opts != NULL);
3588 do_acpitable_option(opts);
3590 case QEMU_OPTION_smbios:
3591 do_smbios_option(optarg);
3593 case QEMU_OPTION_enable_kvm:
3594 olist = qemu_find_opts("machine");
3595 qemu_opts_parse(olist, "accel=kvm", 0);
3597 case QEMU_OPTION_machine:
3598 olist = qemu_find_opts("machine");
3599 opts = qemu_opts_parse(olist, optarg, 1);
3603 optarg = qemu_opt_get(opts, "type");
3605 machine = machine_parse(optarg);
3608 case QEMU_OPTION_no_kvm:
3609 olist = qemu_find_opts("machine");
3610 qemu_opts_parse(olist, "accel=tcg", 0);
3612 case QEMU_OPTION_no_kvm_pit: {
3613 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3617 case QEMU_OPTION_no_kvm_pit_reinjection: {
3618 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3620 .driver = "kvm-pit",
3621 .property = "lost_tick_policy",
3624 { /* end of list */ }
3627 fprintf(stderr, "Warning: option deprecated, use "
3628 "lost_tick_policy property of kvm-pit instead.\n");
3629 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3632 case QEMU_OPTION_usb:
3633 olist = qemu_find_opts("machine");
3634 qemu_opts_parse(olist, "usb=on", 0);
3636 case QEMU_OPTION_usbdevice:
3637 olist = qemu_find_opts("machine");
3638 qemu_opts_parse(olist, "usb=on", 0);
3639 add_device_config(DEV_USB, optarg);
3641 case QEMU_OPTION_device:
3642 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3646 case QEMU_OPTION_smp:
3649 fprintf(stderr, "Invalid number of CPUs\n");
3652 if (max_cpus < smp_cpus) {
3653 fprintf(stderr, "maxcpus must be equal to or greater than "
3657 if (max_cpus > 255) {
3658 fprintf(stderr, "Unsupported number of maxcpus\n");
3662 case QEMU_OPTION_vnc:
3665 vnc_display = optarg;
3667 fprintf(stderr, "VNC support is disabled\n");
3671 case QEMU_OPTION_no_acpi:
3674 case QEMU_OPTION_no_hpet:
3677 case QEMU_OPTION_balloon:
3678 if (balloon_parse(optarg) < 0) {
3679 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3683 case QEMU_OPTION_no_reboot:
3686 case QEMU_OPTION_no_shutdown:
3689 case QEMU_OPTION_show_cursor:
3692 case QEMU_OPTION_uuid:
3693 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3694 fprintf(stderr, "Fail to parse UUID string."
3695 " Wrong format.\n");
3699 case QEMU_OPTION_option_rom:
3700 if (nb_option_roms >= MAX_OPTION_ROMS) {
3701 fprintf(stderr, "Too many option ROMs\n");
3704 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3708 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3709 option_rom[nb_option_roms].bootindex =
3710 qemu_opt_get_number(opts, "bootindex", -1);
3711 if (!option_rom[nb_option_roms].name) {
3712 fprintf(stderr, "Option ROM file is not specified\n");
3717 case QEMU_OPTION_semihosting:
3718 semihosting_enabled = 1;
3720 case QEMU_OPTION_tdf:
3721 fprintf(stderr, "Warning: user space PIT time drift fix "
3722 "is no longer supported.\n");
3724 case QEMU_OPTION_name:
3725 qemu_name = g_strdup(optarg);
3727 char *p = strchr(qemu_name, ',');
3730 if (strncmp(p, "process=", 8)) {
3731 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3735 os_set_proc_name(p);
3739 case QEMU_OPTION_prom_env:
3740 if (nb_prom_envs >= MAX_PROM_ENVS) {
3741 fprintf(stderr, "Too many prom variables\n");
3744 prom_envs[nb_prom_envs] = optarg;
3747 case QEMU_OPTION_old_param:
3750 case QEMU_OPTION_clock:
3751 configure_alarms(optarg);
3753 case QEMU_OPTION_startdate:
3754 configure_rtc_date_offset(optarg, 1);
3756 case QEMU_OPTION_rtc:
3757 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3761 configure_rtc(opts);
3763 case QEMU_OPTION_tb_size:
3764 tcg_tb_size = strtol(optarg, NULL, 0);
3765 if (tcg_tb_size < 0) {
3769 case QEMU_OPTION_icount:
3770 icount_option = optarg;
3772 case QEMU_OPTION_incoming:
3774 runstate_set(RUN_STATE_INMIGRATE);
3776 case QEMU_OPTION_nodefaults:
3778 default_parallel = 0;
3779 default_virtcon = 0;
3781 default_monitor = 0;
3788 case QEMU_OPTION_xen_domid:
3789 if (!(xen_available())) {
3790 printf("Option %s not supported for this target\n", popt->name);
3793 xen_domid = atoi(optarg);
3795 case QEMU_OPTION_xen_create:
3796 if (!(xen_available())) {
3797 printf("Option %s not supported for this target\n", popt->name);
3800 xen_mode = XEN_CREATE;
3802 case QEMU_OPTION_xen_attach:
3803 if (!(xen_available())) {
3804 printf("Option %s not supported for this target\n", popt->name);
3807 xen_mode = XEN_ATTACH;
3809 case QEMU_OPTION_trace:
3811 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3815 trace_events = qemu_opt_get(opts, "events");
3816 trace_file = qemu_opt_get(opts, "file");
3819 case QEMU_OPTION_readconfig:
3821 int ret = qemu_read_config_file(optarg);
3823 fprintf(stderr, "read config %s: %s\n", optarg,
3829 case QEMU_OPTION_spice:
3830 olist = qemu_find_opts("spice");
3832 fprintf(stderr, "spice is not supported by this qemu build.\n");
3835 opts = qemu_opts_parse(olist, optarg, 0);
3841 case QEMU_OPTION_writeconfig:
3844 if (strcmp(optarg, "-") == 0) {
3847 fp = fopen(optarg, "w");
3849 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3853 qemu_config_write(fp);
3857 case QEMU_OPTION_qtest:
3858 qtest_chrdev = optarg;
3860 case QEMU_OPTION_qtest_log:
3863 case QEMU_OPTION_sandbox:
3864 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3869 case QEMU_OPTION_add_fd:
3871 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3876 error_report("File descriptor passing is disabled on this "
3881 case QEMU_OPTION_object:
3882 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3888 os_parse_cmd_args(popt->index, optarg);
3894 if (qemu_init_main_loop()) {
3895 fprintf(stderr, "qemu_init_main_loop failed\n");
3899 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3904 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3908 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3913 if (machine == NULL) {
3914 fprintf(stderr, "No machine found.\n");
3918 if (machine->hw_version) {
3919 qemu_set_version(machine->hw_version);
3922 if (qemu_opts_foreach(qemu_find_opts("object"),
3923 object_create, NULL, 0) != 0) {
3927 /* Init CPU def lists, based on config
3928 * - Must be called after all the qemu_read_config_file() calls
3929 * - Must be called before list_cpus()
3930 * - Must be called before machine->init()
3934 if (cpu_model && is_help_option(cpu_model)) {
3935 list_cpus(stdout, &fprintf, cpu_model);
3939 /* Open the logfile at this point, if necessary. We can't open the logfile
3940 * when encountering either of the logging options (-d or -D) because the
3941 * other one may be encountered later on the command line, changing the
3942 * location or level of logging.
3947 qemu_set_log_filename(log_file);
3950 mask = qemu_str_to_log_mask(log_mask);
3952 qemu_print_log_usage(stdout);
3958 if (!trace_backend_init(trace_events, trace_file)) {
3962 /* If no data_dir is specified then try to find it relative to the
3964 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3965 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3966 if (data_dir[data_dir_idx] != NULL) {
3970 /* If all else fails use the install path specified when building. */
3971 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3972 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3976 * Default to max_cpus = smp_cpus, in case the user doesn't
3977 * specify a max_cpus value.
3980 max_cpus = smp_cpus;
3982 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3983 if (smp_cpus > machine->max_cpus) {
3984 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3985 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3991 * Get the default machine options from the machine if it is not already
3992 * specified either by the configuration file or by the command line.
3994 if (machine->default_machine_opts) {
3995 qemu_opts_set_defaults(qemu_find_opts("machine"),
3996 machine->default_machine_opts, 0);
3999 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4000 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4002 if (machine->no_serial) {
4005 if (machine->no_parallel) {
4006 default_parallel = 0;
4008 if (!machine->use_virtcon) {
4009 default_virtcon = 0;
4011 if (!machine->use_sclp) {
4014 if (machine->no_floppy) {
4017 if (machine->no_cdrom) {
4020 if (machine->no_sdcard) {
4024 if (is_daemonized()) {
4025 /* According to documentation and historically, -nographic redirects
4026 * serial port, parallel port and monitor to stdio, which does not work
4027 * with -daemonize. We can redirect these to null instead, but since
4028 * -nographic is legacy, let's just error out.
4029 * We disallow -nographic only if all other ports are not redirected
4030 * explicitly, to not break existing legacy setups which uses
4031 * -nographic _and_ redirects all ports explicitly - this is valid
4032 * usage, -nographic is just a no-op in this case.
4034 if (display_type == DT_NOGRAPHIC
4035 && (default_parallel || default_serial
4036 || default_monitor || default_virtcon)) {
4037 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4040 #ifdef CONFIG_CURSES
4041 if (display_type == DT_CURSES) {
4042 fprintf(stderr, "curses display can not be used with -daemonize\n");
4048 if (display_type == DT_NOGRAPHIC) {
4049 if (default_parallel)
4050 add_device_config(DEV_PARALLEL, "null");
4051 if (default_serial && default_monitor) {
4052 add_device_config(DEV_SERIAL, "mon:stdio");
4053 } else if (default_virtcon && default_monitor) {
4054 add_device_config(DEV_VIRTCON, "mon:stdio");
4055 } else if (default_sclp && default_monitor) {
4056 add_device_config(DEV_SCLP, "mon:stdio");
4059 add_device_config(DEV_SERIAL, "stdio");
4060 if (default_virtcon)
4061 add_device_config(DEV_VIRTCON, "stdio");
4063 add_device_config(DEV_SCLP, "stdio");
4065 if (default_monitor)
4066 monitor_parse("stdio", "readline");
4070 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4071 if (default_parallel)
4072 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4073 if (default_monitor)
4074 monitor_parse("vc:80Cx24C", "readline");
4075 if (default_virtcon)
4076 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4078 add_device_config(DEV_SCLP, "vc:80Cx24C");
4082 if (display_type == DT_DEFAULT && !display_remote) {
4083 #if defined(CONFIG_GTK)
4084 display_type = DT_GTK;
4085 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4086 display_type = DT_SDL;
4087 #elif defined(CONFIG_VNC)
4088 vnc_display = "localhost:0,to=99";
4091 display_type = DT_NONE;
4095 #if defined(CONFIG_GTK)
4096 if (display_type == DT_GTK) {
4097 early_gtk_display_init();
4103 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4105 #ifdef CONFIG_VIRTFS
4106 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4113 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4118 /* init the memory */
4119 if (ram_size == 0) {
4120 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4123 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4128 configure_accelerator();
4130 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4132 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4133 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4134 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4136 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4139 if (!kernel_cmdline) {
4140 kernel_cmdline = "";
4143 linux_boot = (kernel_filename != NULL);
4145 if (!linux_boot && *kernel_cmdline != '\0') {
4146 fprintf(stderr, "-append only allowed with -kernel option\n");
4150 if (!linux_boot && initrd_filename != NULL) {
4151 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4155 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4156 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4160 os_set_line_buffering();
4162 qemu_init_cpu_loop();
4163 qemu_mutex_lock_iothread();
4166 /* spice needs the timers to be initialized by this point */
4170 if (icount_option && (kvm_enabled() || xen_enabled())) {
4171 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4174 configure_icount(icount_option);
4176 /* clean up network at qemu process termination */
4177 atexit(&net_cleanup);
4179 if (net_init_clients() < 0) {
4184 if (tpm_init() < 0) {
4189 /* init the bluetooth world */
4190 if (foreach_device_config(DEV_BT, bt_parse))
4193 if (!xen_enabled()) {
4194 /* On 32-bit hosts, QEMU is limited by virtual address space */
4195 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4196 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4201 cpu_exec_init_all();
4205 /* open the virtual block devices */
4207 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4208 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4209 &machine->block_default_type, 1) != 0) {
4213 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4215 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4216 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4218 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4220 if (nb_numa_nodes > 0) {
4223 if (nb_numa_nodes > MAX_NODES) {
4224 nb_numa_nodes = MAX_NODES;
4227 /* If no memory size if given for any node, assume the default case
4228 * and distribute the available memory equally across all nodes
4230 for (i = 0; i < nb_numa_nodes; i++) {
4231 if (node_mem[i] != 0)
4234 if (i == nb_numa_nodes) {
4235 uint64_t usedmem = 0;
4237 /* On Linux, the each node's border has to be 8MB aligned,
4238 * the final node gets the rest.
4240 for (i = 0; i < nb_numa_nodes - 1; i++) {
4241 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4242 usedmem += node_mem[i];
4244 node_mem[i] = ram_size - usedmem;
4247 for (i = 0; i < nb_numa_nodes; i++) {
4248 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4252 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4253 * must cope with this anyway, because there are BIOSes out there in
4254 * real machines which also use this scheme.
4256 if (i == nb_numa_nodes) {
4257 for (i = 0; i < max_cpus; i++) {
4258 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4263 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4267 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4269 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4271 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4273 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4276 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4279 /* If no default VGA is requested, the default is "none". */
4281 if (cirrus_vga_available()) {
4282 vga_model = "cirrus";
4283 } else if (vga_available()) {
4287 select_vgahw(vga_model);
4290 i = select_watchdog(watchdog);
4292 exit (i == 1 ? 1 : 0);
4295 if (machine->compat_props) {
4296 qdev_prop_register_global_list(machine->compat_props);
4300 qdev_machine_init();
4302 QEMUMachineInitArgs args = { .ram_size = ram_size,
4303 .boot_device = (boot_devices[0] == '\0') ?
4304 machine->boot_order :
4306 .kernel_filename = kernel_filename,
4307 .kernel_cmdline = kernel_cmdline,
4308 .initrd_filename = initrd_filename,
4309 .cpu_model = cpu_model };
4310 machine->init(&args);
4312 cpu_synchronize_all_post_init();
4316 current_machine = machine;
4318 /* init USB devices */
4319 if (usb_enabled(false)) {
4320 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4324 /* init generic devices */
4325 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4328 net_check_clients();
4330 /* just use the first displaystate for the moment */
4331 ds = get_displaystate();
4333 /* init local displays */
4334 switch (display_type) {
4337 #if defined(CONFIG_CURSES)
4339 curses_display_init(ds, full_screen);
4342 #if defined(CONFIG_SDL)
4344 sdl_display_init(ds, full_screen, no_frame);
4346 #elif defined(CONFIG_COCOA)
4348 cocoa_display_init(ds, full_screen);
4351 #if defined(CONFIG_GTK)
4353 gtk_display_init(ds);
4360 /* must be after terminal init, SDL library changes signal handlers */
4361 os_setup_signal_handling();
4364 /* init remote displays */
4366 Error *local_err = NULL;
4367 vnc_display_init(ds);
4368 vnc_display_open(ds, vnc_display, &local_err);
4369 if (local_err != NULL) {
4370 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4371 vnc_display, error_get_pretty(local_err));
4372 error_free(local_err);
4376 if (show_vnc_port) {
4377 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4382 if (using_spice && !qxl_enabled) {
4383 qemu_spice_display_init(ds);
4388 text_consoles_set_display(ds);
4390 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4394 qdev_machine_creation_done();
4396 if (rom_load_all() != 0) {
4397 fprintf(stderr, "rom loading failed\n");
4401 /* TODO: once all bus devices are qdevified, this should be done
4402 * when bus is created by qdev.c */
4403 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4404 qemu_run_machine_init_done_notifiers();
4406 qemu_system_reset(VMRESET_SILENT);
4408 if (load_vmstate(loadvm) < 0) {
4414 Error *local_err = NULL;
4415 qemu_start_incoming_migration(incoming, &local_err);
4417 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4418 error_free(local_err);
4421 } else if (autostart) {