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"
129 #include "sysemu/bt.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 "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.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 struct vm_change_state_entry {
1630 VMChangeStateHandler *cb;
1632 QLIST_ENTRY (vm_change_state_entry) entries;
1635 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1637 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1640 VMChangeStateEntry *e;
1642 e = g_malloc0(sizeof (*e));
1646 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1650 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1652 QLIST_REMOVE (e, entries);
1656 void vm_state_notify(int running, RunState state)
1658 VMChangeStateEntry *e;
1660 trace_vm_state_notify(running, state);
1662 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1663 e->cb(e->opaque, running, state);
1669 if (!runstate_is_running()) {
1671 runstate_set(RUN_STATE_RUNNING);
1672 vm_state_notify(1, RUN_STATE_RUNNING);
1674 monitor_protocol_event(QEVENT_RESUME, NULL);
1678 /* reset/shutdown handler */
1680 typedef struct QEMUResetEntry {
1681 QTAILQ_ENTRY(QEMUResetEntry) entry;
1682 QEMUResetHandler *func;
1686 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1687 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1688 static int reset_requested;
1689 static int shutdown_requested, shutdown_signal = -1;
1690 static pid_t shutdown_pid;
1691 static int powerdown_requested;
1692 static int debug_requested;
1693 static int suspend_requested;
1694 static int wakeup_requested;
1695 static NotifierList powerdown_notifiers =
1696 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1697 static NotifierList suspend_notifiers =
1698 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1699 static NotifierList wakeup_notifiers =
1700 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1701 static uint32_t wakeup_reason_mask = ~0;
1702 static RunState vmstop_requested = RUN_STATE_MAX;
1704 int qemu_shutdown_requested_get(void)
1706 return shutdown_requested;
1709 int qemu_reset_requested_get(void)
1711 return reset_requested;
1714 static int qemu_shutdown_requested(void)
1716 int r = shutdown_requested;
1717 shutdown_requested = 0;
1721 static void qemu_kill_report(void)
1723 if (!qtest_enabled() && shutdown_signal != -1) {
1724 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1725 if (shutdown_pid == 0) {
1726 /* This happens for eg ^C at the terminal, so it's worth
1727 * avoiding printing an odd message in that case.
1729 fputc('\n', stderr);
1731 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1733 shutdown_signal = -1;
1737 static int qemu_reset_requested(void)
1739 int r = reset_requested;
1740 reset_requested = 0;
1744 static int qemu_suspend_requested(void)
1746 int r = suspend_requested;
1747 suspend_requested = 0;
1751 static int qemu_wakeup_requested(void)
1753 int r = wakeup_requested;
1754 wakeup_requested = 0;
1758 static int qemu_powerdown_requested(void)
1760 int r = powerdown_requested;
1761 powerdown_requested = 0;
1765 static int qemu_debug_requested(void)
1767 int r = debug_requested;
1768 debug_requested = 0;
1772 /* We use RUN_STATE_MAX but any invalid value will do */
1773 static bool qemu_vmstop_requested(RunState *r)
1775 if (vmstop_requested < RUN_STATE_MAX) {
1776 *r = vmstop_requested;
1777 vmstop_requested = RUN_STATE_MAX;
1784 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1786 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1789 re->opaque = opaque;
1790 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1793 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1797 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1798 if (re->func == func && re->opaque == opaque) {
1799 QTAILQ_REMOVE(&reset_handlers, re, entry);
1806 void qemu_devices_reset(void)
1808 QEMUResetEntry *re, *nre;
1810 /* reset all devices */
1811 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1812 re->func(re->opaque);
1816 void qemu_system_reset(bool report)
1818 if (current_machine && current_machine->reset) {
1819 current_machine->reset();
1821 qemu_devices_reset();
1824 monitor_protocol_event(QEVENT_RESET, NULL);
1826 cpu_synchronize_all_post_reset();
1829 void qemu_system_reset_request(void)
1832 shutdown_requested = 1;
1834 reset_requested = 1;
1837 qemu_notify_event();
1840 static void qemu_system_suspend(void)
1843 notifier_list_notify(&suspend_notifiers, NULL);
1844 runstate_set(RUN_STATE_SUSPENDED);
1845 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1848 void qemu_system_suspend_request(void)
1850 if (runstate_check(RUN_STATE_SUSPENDED)) {
1853 suspend_requested = 1;
1855 qemu_notify_event();
1858 void qemu_register_suspend_notifier(Notifier *notifier)
1860 notifier_list_add(&suspend_notifiers, notifier);
1863 void qemu_system_wakeup_request(WakeupReason reason)
1865 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1868 if (!(wakeup_reason_mask & (1 << reason))) {
1871 runstate_set(RUN_STATE_RUNNING);
1872 notifier_list_notify(&wakeup_notifiers, &reason);
1873 wakeup_requested = 1;
1874 qemu_notify_event();
1877 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1880 wakeup_reason_mask |= (1 << reason);
1882 wakeup_reason_mask &= ~(1 << reason);
1886 void qemu_register_wakeup_notifier(Notifier *notifier)
1888 notifier_list_add(&wakeup_notifiers, notifier);
1891 void qemu_system_killed(int signal, pid_t pid)
1893 shutdown_signal = signal;
1896 qemu_system_shutdown_request();
1899 void qemu_system_shutdown_request(void)
1901 shutdown_requested = 1;
1902 qemu_notify_event();
1905 static void qemu_system_powerdown(void)
1907 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1908 notifier_list_notify(&powerdown_notifiers, NULL);
1911 void qemu_system_powerdown_request(void)
1913 powerdown_requested = 1;
1914 qemu_notify_event();
1917 void qemu_register_powerdown_notifier(Notifier *notifier)
1919 notifier_list_add(&powerdown_notifiers, notifier);
1922 void qemu_system_debug_request(void)
1924 debug_requested = 1;
1925 qemu_notify_event();
1928 void qemu_system_vmstop_request(RunState state)
1930 vmstop_requested = state;
1931 qemu_notify_event();
1934 static bool main_loop_should_exit(void)
1937 if (qemu_debug_requested()) {
1938 vm_stop(RUN_STATE_DEBUG);
1940 if (qemu_suspend_requested()) {
1941 qemu_system_suspend();
1943 if (qemu_shutdown_requested()) {
1945 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1947 vm_stop(RUN_STATE_SHUTDOWN);
1952 if (qemu_reset_requested()) {
1954 cpu_synchronize_all_states();
1955 qemu_system_reset(VMRESET_REPORT);
1957 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1958 runstate_check(RUN_STATE_SHUTDOWN)) {
1959 runstate_set(RUN_STATE_PAUSED);
1962 if (qemu_wakeup_requested()) {
1964 cpu_synchronize_all_states();
1965 qemu_system_reset(VMRESET_SILENT);
1967 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1969 if (qemu_powerdown_requested()) {
1970 qemu_system_powerdown();
1972 if (qemu_vmstop_requested(&r)) {
1978 static void main_loop(void)
1982 #ifdef CONFIG_PROFILER
1986 nonblocking = !kvm_enabled() && last_io > 0;
1987 #ifdef CONFIG_PROFILER
1988 ti = profile_getclock();
1990 last_io = main_loop_wait(nonblocking);
1991 #ifdef CONFIG_PROFILER
1992 dev_time += profile_getclock() - ti;
1994 } while (!main_loop_should_exit());
1997 static void version(void)
1999 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2002 static void help(int exitcode)
2005 printf("usage: %s [options] [disk_image]\n\n"
2006 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2007 error_get_progname());
2009 #define QEMU_OPTIONS_GENERATE_HELP
2010 #include "qemu-options-wrapper.h"
2012 printf("\nDuring emulation, the following keys are useful:\n"
2013 "ctrl-alt-f toggle full screen\n"
2014 "ctrl-alt-n switch to virtual console 'n'\n"
2015 "ctrl-alt toggle mouse and keyboard grab\n"
2017 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2022 #define HAS_ARG 0x0001
2024 typedef struct QEMUOption {
2031 static const QEMUOption qemu_options[] = {
2032 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2033 #define QEMU_OPTIONS_GENERATE_OPTIONS
2034 #include "qemu-options-wrapper.h"
2038 static bool vga_available(void)
2040 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2043 static bool cirrus_vga_available(void)
2045 return object_class_by_name("cirrus-vga")
2046 || object_class_by_name("isa-cirrus-vga");
2049 static bool vmware_vga_available(void)
2051 return object_class_by_name("vmware-svga");
2054 static bool qxl_vga_available(void)
2056 return object_class_by_name("qxl-vga");
2059 static void select_vgahw (const char *p)
2063 vga_interface_type = VGA_NONE;
2064 if (strstart(p, "std", &opts)) {
2065 if (vga_available()) {
2066 vga_interface_type = VGA_STD;
2068 fprintf(stderr, "Error: standard VGA not available\n");
2071 } else if (strstart(p, "cirrus", &opts)) {
2072 if (cirrus_vga_available()) {
2073 vga_interface_type = VGA_CIRRUS;
2075 fprintf(stderr, "Error: Cirrus VGA not available\n");
2078 } else if (strstart(p, "vmware", &opts)) {
2079 if (vmware_vga_available()) {
2080 vga_interface_type = VGA_VMWARE;
2082 fprintf(stderr, "Error: VMWare SVGA not available\n");
2085 } else if (strstart(p, "xenfb", &opts)) {
2086 vga_interface_type = VGA_XENFB;
2087 } else if (strstart(p, "qxl", &opts)) {
2088 if (qxl_vga_available()) {
2089 vga_interface_type = VGA_QXL;
2091 fprintf(stderr, "Error: QXL VGA not available\n");
2094 } else if (!strstart(p, "none", &opts)) {
2096 fprintf(stderr, "Unknown vga type: %s\n", p);
2100 const char *nextopt;
2102 if (strstart(opts, ",retrace=", &nextopt)) {
2104 if (strstart(opts, "dumb", &nextopt))
2105 vga_retrace_method = VGA_RETRACE_DUMB;
2106 else if (strstart(opts, "precise", &nextopt))
2107 vga_retrace_method = VGA_RETRACE_PRECISE;
2108 else goto invalid_vga;
2109 } else goto invalid_vga;
2114 static DisplayType select_display(const char *p)
2117 DisplayType display = DT_DEFAULT;
2119 if (strstart(p, "sdl", &opts)) {
2123 const char *nextopt;
2125 if (strstart(opts, ",frame=", &nextopt)) {
2127 if (strstart(opts, "on", &nextopt)) {
2129 } else if (strstart(opts, "off", &nextopt)) {
2132 goto invalid_sdl_args;
2134 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2136 if (strstart(opts, "on", &nextopt)) {
2138 } else if (strstart(opts, "off", &nextopt)) {
2141 goto invalid_sdl_args;
2143 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2145 if (strstart(opts, "on", &nextopt)) {
2147 } else if (strstart(opts, "off", &nextopt)) {
2150 goto invalid_sdl_args;
2152 } else if (strstart(opts, ",window_close=", &nextopt)) {
2154 if (strstart(opts, "on", &nextopt)) {
2156 } else if (strstart(opts, "off", &nextopt)) {
2159 goto invalid_sdl_args;
2163 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2169 fprintf(stderr, "SDL support is disabled\n");
2172 } else if (strstart(p, "vnc", &opts)) {
2177 const char *nextopt;
2179 if (strstart(opts, "=", &nextopt)) {
2180 vnc_display = nextopt;
2184 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2188 fprintf(stderr, "VNC support is disabled\n");
2191 } else if (strstart(p, "curses", &opts)) {
2192 #ifdef CONFIG_CURSES
2193 display = DT_CURSES;
2195 fprintf(stderr, "Curses support is disabled\n");
2198 } else if (strstart(p, "gtk", &opts)) {
2202 fprintf(stderr, "GTK support is disabled\n");
2205 } else if (strstart(p, "none", &opts)) {
2208 fprintf(stderr, "Unknown display type: %s\n", p);
2215 static int balloon_parse(const char *arg)
2219 if (strcmp(arg, "none") == 0) {
2223 if (!strncmp(arg, "virtio", 6)) {
2224 if (arg[6] == ',') {
2225 /* have params -> parse them */
2226 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2230 /* create empty opts */
2231 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2233 qemu_opt_set(opts, "driver", "virtio-balloon");
2240 char *qemu_find_file(int type, const char *name)
2246 /* Try the name as a straight path first */
2247 if (access(name, R_OK) == 0) {
2248 trace_load_file(name, name);
2249 return g_strdup(name);
2253 case QEMU_FILE_TYPE_BIOS:
2256 case QEMU_FILE_TYPE_KEYMAP:
2257 subdir = "keymaps/";
2263 for (i = 0; i < data_dir_idx; i++) {
2264 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2265 if (access(buf, R_OK) == 0) {
2266 trace_load_file(name, buf);
2274 static int device_help_func(QemuOpts *opts, void *opaque)
2276 return qdev_device_help(opts);
2279 static int device_init_func(QemuOpts *opts, void *opaque)
2283 dev = qdev_device_add(opts);
2286 object_unref(OBJECT(dev));
2290 static int chardev_init_func(QemuOpts *opts, void *opaque)
2292 Error *local_err = NULL;
2294 qemu_chr_new_from_opts(opts, NULL, &local_err);
2295 if (error_is_set(&local_err)) {
2296 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2297 error_free(local_err);
2303 #ifdef CONFIG_VIRTFS
2304 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2307 ret = qemu_fsdev_add(opts);
2313 static int mon_init_func(QemuOpts *opts, void *opaque)
2315 CharDriverState *chr;
2316 const char *chardev;
2320 mode = qemu_opt_get(opts, "mode");
2324 if (strcmp(mode, "readline") == 0) {
2325 flags = MONITOR_USE_READLINE;
2326 } else if (strcmp(mode, "control") == 0) {
2327 flags = MONITOR_USE_CONTROL;
2329 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2333 if (qemu_opt_get_bool(opts, "pretty", 0))
2334 flags |= MONITOR_USE_PRETTY;
2336 if (qemu_opt_get_bool(opts, "default", 0))
2337 flags |= MONITOR_IS_DEFAULT;
2339 chardev = qemu_opt_get(opts, "chardev");
2340 chr = qemu_chr_find(chardev);
2342 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2346 qemu_chr_fe_claim_no_fail(chr);
2347 monitor_init(chr, flags);
2351 static void monitor_parse(const char *optarg, const char *mode)
2353 static int monitor_device_index = 0;
2359 if (strstart(optarg, "chardev:", &p)) {
2360 snprintf(label, sizeof(label), "%s", p);
2362 snprintf(label, sizeof(label), "compat_monitor%d",
2363 monitor_device_index);
2364 if (monitor_device_index == 0) {
2367 opts = qemu_chr_parse_compat(label, optarg);
2369 fprintf(stderr, "parse error: %s\n", optarg);
2374 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2376 fprintf(stderr, "duplicate chardev: %s\n", label);
2379 qemu_opt_set(opts, "mode", mode);
2380 qemu_opt_set(opts, "chardev", label);
2382 qemu_opt_set(opts, "default", "on");
2383 monitor_device_index++;
2386 struct device_config {
2388 DEV_USB, /* -usbdevice */
2390 DEV_SERIAL, /* -serial */
2391 DEV_PARALLEL, /* -parallel */
2392 DEV_VIRTCON, /* -virtioconsole */
2393 DEV_DEBUGCON, /* -debugcon */
2394 DEV_GDB, /* -gdb, -s */
2395 DEV_SCLP, /* s390 sclp */
2397 const char *cmdline;
2399 QTAILQ_ENTRY(device_config) next;
2402 static QTAILQ_HEAD(, device_config) device_configs =
2403 QTAILQ_HEAD_INITIALIZER(device_configs);
2405 static void add_device_config(int type, const char *cmdline)
2407 struct device_config *conf;
2409 conf = g_malloc0(sizeof(*conf));
2411 conf->cmdline = cmdline;
2412 loc_save(&conf->loc);
2413 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2416 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2418 struct device_config *conf;
2421 QTAILQ_FOREACH(conf, &device_configs, next) {
2422 if (conf->type != type)
2424 loc_push_restore(&conf->loc);
2425 rc = func(conf->cmdline);
2426 loc_pop(&conf->loc);
2433 static int serial_parse(const char *devname)
2435 static int index = 0;
2438 if (strcmp(devname, "none") == 0)
2440 if (index == MAX_SERIAL_PORTS) {
2441 fprintf(stderr, "qemu: too many serial ports\n");
2444 snprintf(label, sizeof(label), "serial%d", index);
2445 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2446 if (!serial_hds[index]) {
2447 fprintf(stderr, "qemu: could not connect serial device"
2448 " to character backend '%s'\n", devname);
2455 static int parallel_parse(const char *devname)
2457 static int index = 0;
2460 if (strcmp(devname, "none") == 0)
2462 if (index == MAX_PARALLEL_PORTS) {
2463 fprintf(stderr, "qemu: too many parallel ports\n");
2466 snprintf(label, sizeof(label), "parallel%d", index);
2467 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2468 if (!parallel_hds[index]) {
2469 fprintf(stderr, "qemu: could not connect parallel device"
2470 " to character backend '%s'\n", devname);
2477 static int virtcon_parse(const char *devname)
2479 QemuOptsList *device = qemu_find_opts("device");
2480 static int index = 0;
2482 QemuOpts *bus_opts, *dev_opts;
2484 if (strcmp(devname, "none") == 0)
2486 if (index == MAX_VIRTIO_CONSOLES) {
2487 fprintf(stderr, "qemu: too many virtio consoles\n");
2491 bus_opts = qemu_opts_create_nofail(device);
2492 if (arch_type == QEMU_ARCH_S390X) {
2493 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2495 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2498 dev_opts = qemu_opts_create_nofail(device);
2499 qemu_opt_set(dev_opts, "driver", "virtconsole");
2501 snprintf(label, sizeof(label), "virtcon%d", index);
2502 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2503 if (!virtcon_hds[index]) {
2504 fprintf(stderr, "qemu: could not connect virtio console"
2505 " to character backend '%s'\n", devname);
2508 qemu_opt_set(dev_opts, "chardev", label);
2514 static int sclp_parse(const char *devname)
2516 QemuOptsList *device = qemu_find_opts("device");
2517 static int index = 0;
2521 if (strcmp(devname, "none") == 0) {
2524 if (index == MAX_SCLP_CONSOLES) {
2525 fprintf(stderr, "qemu: too many sclp consoles\n");
2529 assert(arch_type == QEMU_ARCH_S390X);
2531 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2532 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2534 snprintf(label, sizeof(label), "sclpcon%d", index);
2535 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!sclp_hds[index]) {
2537 fprintf(stderr, "qemu: could not connect sclp console"
2538 " to character backend '%s'\n", devname);
2541 qemu_opt_set(dev_opts, "chardev", label);
2547 static int debugcon_parse(const char *devname)
2551 if (!qemu_chr_new("debugcon", devname, NULL)) {
2554 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2556 fprintf(stderr, "qemu: already have a debugcon device\n");
2559 qemu_opt_set(opts, "driver", "isa-debugcon");
2560 qemu_opt_set(opts, "chardev", "debugcon");
2564 static QEMUMachine *machine_parse(const char *name)
2566 QEMUMachine *m, *machine = NULL;
2569 machine = find_machine(name);
2574 printf("Supported machines are:\n");
2575 for (m = first_machine; m != NULL; m = m->next) {
2577 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2579 printf("%-20s %s%s\n", m->name, m->desc,
2580 m->is_default ? " (default)" : "");
2582 exit(!name || !is_help_option(name));
2585 static int tcg_init(void)
2587 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2592 const char *opt_name;
2594 int (*available)(void);
2598 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2599 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2600 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2601 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2604 static int configure_accelerator(void)
2606 const char *p = NULL;
2609 bool accel_initialised = false;
2610 bool init_failed = false;
2612 QemuOptsList *list = qemu_find_opts("machine");
2613 if (!QTAILQ_EMPTY(&list->head)) {
2614 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2618 /* Use the default "accelerator", tcg */
2622 while (!accel_initialised && *p != '\0') {
2626 p = get_opt_name(buf, sizeof (buf), p, ':');
2627 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2628 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2629 if (!accel_list[i].available()) {
2630 printf("%s not supported for this target\n",
2631 accel_list[i].name);
2634 *(accel_list[i].allowed) = true;
2635 ret = accel_list[i].init();
2638 fprintf(stderr, "failed to initialize %s: %s\n",
2641 *(accel_list[i].allowed) = false;
2643 accel_initialised = true;
2648 if (i == ARRAY_SIZE(accel_list)) {
2649 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2653 if (!accel_initialised) {
2655 fprintf(stderr, "No accelerator found!\n");
2661 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2664 return !accel_initialised;
2667 void qemu_add_exit_notifier(Notifier *notify)
2669 notifier_list_add(&exit_notifiers, notify);
2672 void qemu_remove_exit_notifier(Notifier *notify)
2674 notifier_remove(notify);
2677 static void qemu_run_exit_notifiers(void)
2679 notifier_list_notify(&exit_notifiers, NULL);
2682 void qemu_add_machine_init_done_notifier(Notifier *notify)
2684 notifier_list_add(&machine_init_done_notifiers, notify);
2687 static void qemu_run_machine_init_done_notifiers(void)
2689 notifier_list_notify(&machine_init_done_notifiers, NULL);
2692 static const QEMUOption *lookup_opt(int argc, char **argv,
2693 const char **poptarg, int *poptind)
2695 const QEMUOption *popt;
2696 int optind = *poptind;
2697 char *r = argv[optind];
2700 loc_set_cmdline(argv, optind, 1);
2702 /* Treat --foo the same as -foo. */
2705 popt = qemu_options;
2708 error_report("invalid option");
2711 if (!strcmp(popt->name, r + 1))
2715 if (popt->flags & HAS_ARG) {
2716 if (optind >= argc) {
2717 error_report("requires an argument");
2720 optarg = argv[optind++];
2721 loc_set_cmdline(argv, optind - 2, 2);
2732 static gpointer malloc_and_trace(gsize n_bytes)
2734 void *ptr = malloc(n_bytes);
2735 trace_g_malloc(n_bytes, ptr);
2739 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2741 void *ptr = realloc(mem, n_bytes);
2742 trace_g_realloc(mem, n_bytes, ptr);
2746 static void free_and_trace(gpointer mem)
2752 static int object_set_property(const char *name, const char *value, void *opaque)
2754 Object *obj = OBJECT(opaque);
2755 StringInputVisitor *siv;
2756 Error *local_err = NULL;
2758 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2762 siv = string_input_visitor_new(value);
2763 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2764 string_input_visitor_cleanup(siv);
2767 qerror_report_err(local_err);
2768 error_free(local_err);
2775 static int object_create(QemuOpts *opts, void *opaque)
2777 const char *type = qemu_opt_get(opts, "qom-type");
2778 const char *id = qemu_opts_id(opts);
2781 g_assert(type != NULL);
2784 qerror_report(QERR_MISSING_PARAMETER, "id");
2788 obj = object_new(type);
2789 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2793 object_property_add_child(container_get(object_get_root(), "/objects"),
2799 int main(int argc, char **argv, char **envp)
2802 int snapshot, linux_boot;
2803 const char *icount_option = NULL;
2804 const char *initrd_filename;
2805 const char *kernel_filename, *kernel_cmdline;
2806 char boot_devices[33] = "";
2808 int cyls, heads, secs, translation;
2809 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2810 QemuOptsList *olist;
2813 const char *loadvm = NULL;
2814 QEMUMachine *machine;
2815 const char *cpu_model;
2816 const char *vga_model = "none";
2817 const char *pid_file = NULL;
2818 const char *incoming = NULL;
2820 int show_vnc_port = 0;
2822 bool defconfig = true;
2823 bool userconfig = true;
2824 const char *log_mask = NULL;
2825 const char *log_file = NULL;
2826 GMemVTable mem_trace = {
2827 .malloc = malloc_and_trace,
2828 .realloc = realloc_and_trace,
2829 .free = free_and_trace,
2831 const char *trace_events = NULL;
2832 const char *trace_file = NULL;
2834 atexit(qemu_run_exit_notifiers);
2835 error_set_progname(argv[0]);
2837 g_mem_set_vtable(&mem_trace);
2838 if (!g_thread_supported()) {
2839 #if !GLIB_CHECK_VERSION(2, 31, 0)
2840 g_thread_init(NULL);
2842 fprintf(stderr, "glib threading failed to initialize.\n");
2847 module_call_init(MODULE_INIT_QOM);
2849 qemu_add_opts(&qemu_drive_opts);
2850 qemu_add_opts(&qemu_chardev_opts);
2851 qemu_add_opts(&qemu_device_opts);
2852 qemu_add_opts(&qemu_netdev_opts);
2853 qemu_add_opts(&qemu_net_opts);
2854 qemu_add_opts(&qemu_rtc_opts);
2855 qemu_add_opts(&qemu_global_opts);
2856 qemu_add_opts(&qemu_mon_opts);
2857 qemu_add_opts(&qemu_trace_opts);
2858 qemu_add_opts(&qemu_option_rom_opts);
2859 qemu_add_opts(&qemu_machine_opts);
2860 qemu_add_opts(&qemu_boot_opts);
2861 qemu_add_opts(&qemu_sandbox_opts);
2862 qemu_add_opts(&qemu_add_fd_opts);
2863 qemu_add_opts(&qemu_object_opts);
2864 qemu_add_opts(&qemu_tpmdev_opts);
2869 rtc_clock = host_clock;
2871 qemu_cache_utils_init(envp);
2873 QLIST_INIT (&vm_change_state_head);
2874 os_setup_early_signal_handling();
2876 module_call_init(MODULE_INIT_MACHINE);
2877 machine = find_default_machine();
2881 cyls = heads = secs = 0;
2882 translation = BIOS_ATA_TRANSLATION_AUTO;
2884 for (i = 0; i < MAX_NODES; i++) {
2886 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2892 bdrv_init_with_whitelist();
2896 /* first pass of option parsing */
2898 while (optind < argc) {
2899 if (argv[optind][0] != '-') {
2904 const QEMUOption *popt;
2906 popt = lookup_opt(argc, argv, &optarg, &optind);
2907 switch (popt->index) {
2908 case QEMU_OPTION_nodefconfig:
2911 case QEMU_OPTION_nouserconfig:
2920 ret = qemu_read_default_config_files(userconfig);
2926 /* second pass of option parsing */
2931 if (argv[optind][0] != '-') {
2932 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2934 const QEMUOption *popt;
2936 popt = lookup_opt(argc, argv, &optarg, &optind);
2937 if (!(popt->arch_mask & arch_type)) {
2938 printf("Option %s not supported for this target\n", popt->name);
2941 switch(popt->index) {
2943 machine = machine_parse(optarg);
2945 case QEMU_OPTION_no_kvm_irqchip: {
2946 olist = qemu_find_opts("machine");
2947 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2950 case QEMU_OPTION_cpu:
2951 /* hw initialization will check this */
2954 case QEMU_OPTION_hda:
2958 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2960 snprintf(buf, sizeof(buf),
2961 "%s,cyls=%d,heads=%d,secs=%d%s",
2962 HD_OPTS , cyls, heads, secs,
2963 translation == BIOS_ATA_TRANSLATION_LBA ?
2965 translation == BIOS_ATA_TRANSLATION_NONE ?
2966 ",trans=none" : "");
2967 drive_add(IF_DEFAULT, 0, optarg, buf);
2970 case QEMU_OPTION_hdb:
2971 case QEMU_OPTION_hdc:
2972 case QEMU_OPTION_hdd:
2973 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2976 case QEMU_OPTION_drive:
2977 if (drive_def(optarg) == NULL) {
2981 case QEMU_OPTION_set:
2982 if (qemu_set_option(optarg) != 0)
2985 case QEMU_OPTION_global:
2986 if (qemu_global_option(optarg) != 0)
2989 case QEMU_OPTION_mtdblock:
2990 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2992 case QEMU_OPTION_sd:
2993 drive_add(IF_SD, -1, optarg, SD_OPTS);
2995 case QEMU_OPTION_pflash:
2996 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2998 case QEMU_OPTION_snapshot:
3001 case QEMU_OPTION_hdachs:
3005 cyls = strtol(p, (char **)&p, 0);
3006 if (cyls < 1 || cyls > 16383)
3011 heads = strtol(p, (char **)&p, 0);
3012 if (heads < 1 || heads > 16)
3017 secs = strtol(p, (char **)&p, 0);
3018 if (secs < 1 || secs > 63)
3022 if (!strcmp(p, "none"))
3023 translation = BIOS_ATA_TRANSLATION_NONE;
3024 else if (!strcmp(p, "lba"))
3025 translation = BIOS_ATA_TRANSLATION_LBA;
3026 else if (!strcmp(p, "auto"))
3027 translation = BIOS_ATA_TRANSLATION_AUTO;
3030 } else if (*p != '\0') {
3032 fprintf(stderr, "qemu: invalid physical CHS format\n");
3035 if (hda_opts != NULL) {
3037 snprintf(num, sizeof(num), "%d", cyls);
3038 qemu_opt_set(hda_opts, "cyls", num);
3039 snprintf(num, sizeof(num), "%d", heads);
3040 qemu_opt_set(hda_opts, "heads", num);
3041 snprintf(num, sizeof(num), "%d", secs);
3042 qemu_opt_set(hda_opts, "secs", num);
3043 if (translation == BIOS_ATA_TRANSLATION_LBA)
3044 qemu_opt_set(hda_opts, "trans", "lba");
3045 if (translation == BIOS_ATA_TRANSLATION_NONE)
3046 qemu_opt_set(hda_opts, "trans", "none");
3050 case QEMU_OPTION_numa:
3053 case QEMU_OPTION_display:
3054 display_type = select_display(optarg);
3056 case QEMU_OPTION_nographic:
3057 display_type = DT_NOGRAPHIC;
3059 case QEMU_OPTION_curses:
3060 #ifdef CONFIG_CURSES
3061 display_type = DT_CURSES;
3063 fprintf(stderr, "Curses support is disabled\n");
3067 case QEMU_OPTION_portrait:
3068 graphic_rotate = 90;
3070 case QEMU_OPTION_rotate:
3071 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3072 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3073 graphic_rotate != 180 && graphic_rotate != 270) {
3075 "qemu: only 90, 180, 270 deg rotation is available\n");
3079 case QEMU_OPTION_kernel:
3080 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3082 case QEMU_OPTION_initrd:
3083 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3085 case QEMU_OPTION_append:
3086 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3088 case QEMU_OPTION_dtb:
3089 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3091 case QEMU_OPTION_cdrom:
3092 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3094 case QEMU_OPTION_boot:
3096 static const char * const params[] = {
3097 "order", "once", "menu",
3098 "splash", "splash-time",
3099 "reboot-timeout", "strict", NULL
3101 char buf[sizeof(boot_devices)];
3102 char *standard_boot_devices;
3105 if (!strchr(optarg, '=')) {
3107 pstrcpy(buf, sizeof(buf), optarg);
3108 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3110 "qemu: unknown boot parameter '%s' in '%s'\n",
3116 get_param_value(buf, sizeof(buf), "order", optarg)) {
3117 validate_bootdevices(buf);
3118 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3121 if (get_param_value(buf, sizeof(buf),
3123 validate_bootdevices(buf);
3124 standard_boot_devices = g_strdup(boot_devices);
3125 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3126 qemu_register_reset(restore_boot_devices,
3127 standard_boot_devices);
3129 if (get_param_value(buf, sizeof(buf),
3131 if (!strcmp(buf, "on")) {
3133 } else if (!strcmp(buf, "off")) {
3137 "qemu: invalid option value '%s'\n",
3142 if (get_param_value(buf, sizeof(buf),
3143 "strict", optarg)) {
3144 if (!strcmp(buf, "on")) {
3146 } else if (!strcmp(buf, "off")) {
3147 boot_strict = false;
3150 "qemu: invalid option value '%s'\n",
3155 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3162 case QEMU_OPTION_fda:
3163 case QEMU_OPTION_fdb:
3164 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3167 case QEMU_OPTION_no_fd_bootchk:
3170 case QEMU_OPTION_netdev:
3171 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3175 case QEMU_OPTION_net:
3176 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3180 #ifdef CONFIG_LIBISCSI
3181 case QEMU_OPTION_iscsi:
3182 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3189 case QEMU_OPTION_tftp:
3190 legacy_tftp_prefix = optarg;
3192 case QEMU_OPTION_bootp:
3193 legacy_bootp_filename = optarg;
3195 case QEMU_OPTION_redir:
3196 if (net_slirp_redir(optarg) < 0)
3200 case QEMU_OPTION_bt:
3201 add_device_config(DEV_BT, optarg);
3203 case QEMU_OPTION_audio_help:
3204 if (!(audio_available())) {
3205 printf("Option %s not supported for this target\n", popt->name);
3211 case QEMU_OPTION_soundhw:
3212 if (!(audio_available())) {
3213 printf("Option %s not supported for this target\n", popt->name);
3216 select_soundhw (optarg);
3221 case QEMU_OPTION_version:
3225 case QEMU_OPTION_m: {
3230 value = strtosz(optarg, &end);
3231 if (value < 0 || *end) {
3232 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3235 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3237 if (ram_size != sz) {
3238 fprintf(stderr, "qemu: ram size too large\n");
3244 case QEMU_OPTION_tpmdev:
3245 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3250 case QEMU_OPTION_mempath:
3254 case QEMU_OPTION_mem_prealloc:
3265 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3267 case QEMU_OPTION_gdb:
3268 add_device_config(DEV_GDB, optarg);
3271 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3272 data_dir[data_dir_idx++] = optarg;
3275 case QEMU_OPTION_bios:
3278 case QEMU_OPTION_singlestep:
3285 keyboard_layout = optarg;
3287 case QEMU_OPTION_localtime:
3290 case QEMU_OPTION_vga:
3299 w = strtol(p, (char **)&p, 10);
3302 fprintf(stderr, "qemu: invalid resolution or depth\n");
3308 h = strtol(p, (char **)&p, 10);
3313 depth = strtol(p, (char **)&p, 10);
3314 if (depth != 8 && depth != 15 && depth != 16 &&
3315 depth != 24 && depth != 32)
3317 } else if (*p == '\0') {
3318 depth = graphic_depth;
3325 graphic_depth = depth;
3328 case QEMU_OPTION_echr:
3331 term_escape_char = strtol(optarg, &r, 0);
3333 printf("Bad argument to echr\n");
3336 case QEMU_OPTION_monitor:
3337 monitor_parse(optarg, "readline");
3338 default_monitor = 0;
3340 case QEMU_OPTION_qmp:
3341 monitor_parse(optarg, "control");
3342 default_monitor = 0;
3344 case QEMU_OPTION_mon:
3345 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3349 default_monitor = 0;
3351 case QEMU_OPTION_chardev:
3352 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3357 case QEMU_OPTION_fsdev:
3358 olist = qemu_find_opts("fsdev");
3360 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3363 opts = qemu_opts_parse(olist, optarg, 1);
3368 case QEMU_OPTION_virtfs: {
3371 const char *writeout, *sock_fd, *socket;
3373 olist = qemu_find_opts("virtfs");
3375 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3378 opts = qemu_opts_parse(olist, optarg, 1);
3383 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3384 qemu_opt_get(opts, "mount_tag") == NULL) {
3385 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3388 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3389 qemu_opt_get(opts, "mount_tag"),
3392 fprintf(stderr, "duplicate fsdev id: %s\n",
3393 qemu_opt_get(opts, "mount_tag"));
3397 writeout = qemu_opt_get(opts, "writeout");
3399 #ifdef CONFIG_SYNC_FILE_RANGE
3400 qemu_opt_set(fsdev, "writeout", writeout);
3402 fprintf(stderr, "writeout=immediate not supported on "
3407 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3408 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3409 qemu_opt_set(fsdev, "security_model",
3410 qemu_opt_get(opts, "security_model"));
3411 socket = qemu_opt_get(opts, "socket");
3413 qemu_opt_set(fsdev, "socket", socket);
3415 sock_fd = qemu_opt_get(opts, "sock_fd");
3417 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3420 qemu_opt_set_bool(fsdev, "readonly",
3421 qemu_opt_get_bool(opts, "readonly", 0));
3422 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3423 qemu_opt_set(device, "driver", "virtio-9p-pci");
3424 qemu_opt_set(device, "fsdev",
3425 qemu_opt_get(opts, "mount_tag"));
3426 qemu_opt_set(device, "mount_tag",
3427 qemu_opt_get(opts, "mount_tag"));
3430 case QEMU_OPTION_virtfs_synth: {
3434 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3437 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3440 qemu_opt_set(fsdev, "fsdriver", "synth");
3442 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3443 qemu_opt_set(device, "driver", "virtio-9p-pci");
3444 qemu_opt_set(device, "fsdev", "v_synth");
3445 qemu_opt_set(device, "mount_tag", "v_synth");
3448 case QEMU_OPTION_serial:
3449 add_device_config(DEV_SERIAL, optarg);
3451 if (strncmp(optarg, "mon:", 4) == 0) {
3452 default_monitor = 0;
3455 case QEMU_OPTION_watchdog:
3458 "qemu: only one watchdog option may be given\n");
3463 case QEMU_OPTION_watchdog_action:
3464 if (select_watchdog_action(optarg) == -1) {
3465 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3469 case QEMU_OPTION_virtiocon:
3470 add_device_config(DEV_VIRTCON, optarg);
3471 default_virtcon = 0;
3472 if (strncmp(optarg, "mon:", 4) == 0) {
3473 default_monitor = 0;
3476 case QEMU_OPTION_parallel:
3477 add_device_config(DEV_PARALLEL, optarg);
3478 default_parallel = 0;
3479 if (strncmp(optarg, "mon:", 4) == 0) {
3480 default_monitor = 0;
3483 case QEMU_OPTION_debugcon:
3484 add_device_config(DEV_DEBUGCON, optarg);
3486 case QEMU_OPTION_loadvm:
3489 case QEMU_OPTION_full_screen:
3493 case QEMU_OPTION_no_frame:
3496 case QEMU_OPTION_alt_grab:
3499 case QEMU_OPTION_ctrl_grab:
3502 case QEMU_OPTION_no_quit:
3505 case QEMU_OPTION_sdl:
3506 display_type = DT_SDL;
3509 case QEMU_OPTION_no_frame:
3510 case QEMU_OPTION_alt_grab:
3511 case QEMU_OPTION_ctrl_grab:
3512 case QEMU_OPTION_no_quit:
3513 case QEMU_OPTION_sdl:
3514 fprintf(stderr, "SDL support is disabled\n");
3517 case QEMU_OPTION_pidfile:
3520 case QEMU_OPTION_win2k_hack:
3521 win2k_install_hack = 1;
3523 case QEMU_OPTION_rtc_td_hack: {
3524 static GlobalProperty slew_lost_ticks[] = {
3526 .driver = "mc146818rtc",
3527 .property = "lost_tick_policy",
3530 { /* end of list */ }
3533 qdev_prop_register_global_list(slew_lost_ticks);
3536 case QEMU_OPTION_acpitable:
3537 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3538 g_assert(opts != NULL);
3539 do_acpitable_option(opts);
3541 case QEMU_OPTION_smbios:
3542 do_smbios_option(optarg);
3544 case QEMU_OPTION_enable_kvm:
3545 olist = qemu_find_opts("machine");
3546 qemu_opts_parse(olist, "accel=kvm", 0);
3548 case QEMU_OPTION_machine:
3549 olist = qemu_find_opts("machine");
3550 opts = qemu_opts_parse(olist, optarg, 1);
3554 optarg = qemu_opt_get(opts, "type");
3556 machine = machine_parse(optarg);
3559 case QEMU_OPTION_no_kvm:
3560 olist = qemu_find_opts("machine");
3561 qemu_opts_parse(olist, "accel=tcg", 0);
3563 case QEMU_OPTION_no_kvm_pit: {
3564 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3568 case QEMU_OPTION_no_kvm_pit_reinjection: {
3569 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3571 .driver = "kvm-pit",
3572 .property = "lost_tick_policy",
3575 { /* end of list */ }
3578 fprintf(stderr, "Warning: option deprecated, use "
3579 "lost_tick_policy property of kvm-pit instead.\n");
3580 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3583 case QEMU_OPTION_usb:
3584 olist = qemu_find_opts("machine");
3585 qemu_opts_parse(olist, "usb=on", 0);
3587 case QEMU_OPTION_usbdevice:
3588 olist = qemu_find_opts("machine");
3589 qemu_opts_parse(olist, "usb=on", 0);
3590 add_device_config(DEV_USB, optarg);
3592 case QEMU_OPTION_device:
3593 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3597 case QEMU_OPTION_smp:
3600 fprintf(stderr, "Invalid number of CPUs\n");
3603 if (max_cpus < smp_cpus) {
3604 fprintf(stderr, "maxcpus must be equal to or greater than "
3608 if (max_cpus > 255) {
3609 fprintf(stderr, "Unsupported number of maxcpus\n");
3613 case QEMU_OPTION_vnc:
3616 vnc_display = optarg;
3618 fprintf(stderr, "VNC support is disabled\n");
3622 case QEMU_OPTION_no_acpi:
3625 case QEMU_OPTION_no_hpet:
3628 case QEMU_OPTION_balloon:
3629 if (balloon_parse(optarg) < 0) {
3630 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3634 case QEMU_OPTION_no_reboot:
3637 case QEMU_OPTION_no_shutdown:
3640 case QEMU_OPTION_show_cursor:
3643 case QEMU_OPTION_uuid:
3644 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3645 fprintf(stderr, "Fail to parse UUID string."
3646 " Wrong format.\n");
3650 case QEMU_OPTION_option_rom:
3651 if (nb_option_roms >= MAX_OPTION_ROMS) {
3652 fprintf(stderr, "Too many option ROMs\n");
3655 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3659 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3660 option_rom[nb_option_roms].bootindex =
3661 qemu_opt_get_number(opts, "bootindex", -1);
3662 if (!option_rom[nb_option_roms].name) {
3663 fprintf(stderr, "Option ROM file is not specified\n");
3668 case QEMU_OPTION_semihosting:
3669 semihosting_enabled = 1;
3671 case QEMU_OPTION_tdf:
3672 fprintf(stderr, "Warning: user space PIT time drift fix "
3673 "is no longer supported.\n");
3675 case QEMU_OPTION_name:
3676 qemu_name = g_strdup(optarg);
3678 char *p = strchr(qemu_name, ',');
3681 if (strncmp(p, "process=", 8)) {
3682 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3686 os_set_proc_name(p);
3690 case QEMU_OPTION_prom_env:
3691 if (nb_prom_envs >= MAX_PROM_ENVS) {
3692 fprintf(stderr, "Too many prom variables\n");
3695 prom_envs[nb_prom_envs] = optarg;
3698 case QEMU_OPTION_old_param:
3701 case QEMU_OPTION_clock:
3702 configure_alarms(optarg);
3704 case QEMU_OPTION_startdate:
3705 configure_rtc_date_offset(optarg, 1);
3707 case QEMU_OPTION_rtc:
3708 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3712 configure_rtc(opts);
3714 case QEMU_OPTION_tb_size:
3715 tcg_tb_size = strtol(optarg, NULL, 0);
3716 if (tcg_tb_size < 0) {
3720 case QEMU_OPTION_icount:
3721 icount_option = optarg;
3723 case QEMU_OPTION_incoming:
3725 runstate_set(RUN_STATE_INMIGRATE);
3727 case QEMU_OPTION_nodefaults:
3729 default_parallel = 0;
3730 default_virtcon = 0;
3732 default_monitor = 0;
3739 case QEMU_OPTION_xen_domid:
3740 if (!(xen_available())) {
3741 printf("Option %s not supported for this target\n", popt->name);
3744 xen_domid = atoi(optarg);
3746 case QEMU_OPTION_xen_create:
3747 if (!(xen_available())) {
3748 printf("Option %s not supported for this target\n", popt->name);
3751 xen_mode = XEN_CREATE;
3753 case QEMU_OPTION_xen_attach:
3754 if (!(xen_available())) {
3755 printf("Option %s not supported for this target\n", popt->name);
3758 xen_mode = XEN_ATTACH;
3760 case QEMU_OPTION_trace:
3762 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3766 trace_events = qemu_opt_get(opts, "events");
3767 trace_file = qemu_opt_get(opts, "file");
3770 case QEMU_OPTION_readconfig:
3772 int ret = qemu_read_config_file(optarg);
3774 fprintf(stderr, "read config %s: %s\n", optarg,
3780 case QEMU_OPTION_spice:
3781 olist = qemu_find_opts("spice");
3783 fprintf(stderr, "spice is not supported by this qemu build.\n");
3786 opts = qemu_opts_parse(olist, optarg, 0);
3792 case QEMU_OPTION_writeconfig:
3795 if (strcmp(optarg, "-") == 0) {
3798 fp = fopen(optarg, "w");
3800 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3804 qemu_config_write(fp);
3808 case QEMU_OPTION_qtest:
3809 qtest_chrdev = optarg;
3811 case QEMU_OPTION_qtest_log:
3814 case QEMU_OPTION_sandbox:
3815 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3820 case QEMU_OPTION_add_fd:
3822 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3827 error_report("File descriptor passing is disabled on this "
3832 case QEMU_OPTION_object:
3833 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3839 os_parse_cmd_args(popt->index, optarg);
3845 if (qemu_init_main_loop()) {
3846 fprintf(stderr, "qemu_init_main_loop failed\n");
3850 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3855 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3859 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3864 if (machine == NULL) {
3865 fprintf(stderr, "No machine found.\n");
3869 if (machine->hw_version) {
3870 qemu_set_version(machine->hw_version);
3873 if (qemu_opts_foreach(qemu_find_opts("object"),
3874 object_create, NULL, 0) != 0) {
3878 /* Init CPU def lists, based on config
3879 * - Must be called after all the qemu_read_config_file() calls
3880 * - Must be called before list_cpus()
3881 * - Must be called before machine->init()
3885 if (cpu_model && is_help_option(cpu_model)) {
3886 list_cpus(stdout, &fprintf, cpu_model);
3890 /* Open the logfile at this point, if necessary. We can't open the logfile
3891 * when encountering either of the logging options (-d or -D) because the
3892 * other one may be encountered later on the command line, changing the
3893 * location or level of logging.
3898 qemu_set_log_filename(log_file);
3901 mask = qemu_str_to_log_mask(log_mask);
3903 qemu_print_log_usage(stdout);
3909 if (!trace_backend_init(trace_events, trace_file)) {
3913 /* If no data_dir is specified then try to find it relative to the
3915 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3916 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3917 if (data_dir[data_dir_idx] != NULL) {
3921 /* If all else fails use the install path specified when building. */
3922 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3923 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3927 * Default to max_cpus = smp_cpus, in case the user doesn't
3928 * specify a max_cpus value.
3931 max_cpus = smp_cpus;
3933 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3934 if (smp_cpus > machine->max_cpus) {
3935 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3936 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3942 * Get the default machine options from the machine if it is not already
3943 * specified either by the configuration file or by the command line.
3945 if (machine->default_machine_opts) {
3946 qemu_opts_set_defaults(qemu_find_opts("machine"),
3947 machine->default_machine_opts, 0);
3950 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3951 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3953 if (machine->no_serial) {
3956 if (machine->no_parallel) {
3957 default_parallel = 0;
3959 if (!machine->use_virtcon) {
3960 default_virtcon = 0;
3962 if (!machine->use_sclp) {
3965 if (machine->no_floppy) {
3968 if (machine->no_cdrom) {
3971 if (machine->no_sdcard) {
3975 if (is_daemonized()) {
3976 /* According to documentation and historically, -nographic redirects
3977 * serial port, parallel port and monitor to stdio, which does not work
3978 * with -daemonize. We can redirect these to null instead, but since
3979 * -nographic is legacy, let's just error out.
3980 * We disallow -nographic only if all other ports are not redirected
3981 * explicitly, to not break existing legacy setups which uses
3982 * -nographic _and_ redirects all ports explicitly - this is valid
3983 * usage, -nographic is just a no-op in this case.
3985 if (display_type == DT_NOGRAPHIC
3986 && (default_parallel || default_serial
3987 || default_monitor || default_virtcon)) {
3988 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3991 #ifdef CONFIG_CURSES
3992 if (display_type == DT_CURSES) {
3993 fprintf(stderr, "curses display can not be used with -daemonize\n");
3999 if (display_type == DT_NOGRAPHIC) {
4000 if (default_parallel)
4001 add_device_config(DEV_PARALLEL, "null");
4002 if (default_serial && default_monitor) {
4003 add_device_config(DEV_SERIAL, "mon:stdio");
4004 } else if (default_virtcon && default_monitor) {
4005 add_device_config(DEV_VIRTCON, "mon:stdio");
4006 } else if (default_sclp && default_monitor) {
4007 add_device_config(DEV_SCLP, "mon:stdio");
4010 add_device_config(DEV_SERIAL, "stdio");
4011 if (default_virtcon)
4012 add_device_config(DEV_VIRTCON, "stdio");
4014 add_device_config(DEV_SCLP, "stdio");
4016 if (default_monitor)
4017 monitor_parse("stdio", "readline");
4021 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4022 if (default_parallel)
4023 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4024 if (default_monitor)
4025 monitor_parse("vc:80Cx24C", "readline");
4026 if (default_virtcon)
4027 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4029 add_device_config(DEV_SCLP, "vc:80Cx24C");
4033 if (display_type == DT_DEFAULT && !display_remote) {
4034 #if defined(CONFIG_GTK)
4035 display_type = DT_GTK;
4036 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4037 display_type = DT_SDL;
4038 #elif defined(CONFIG_VNC)
4039 vnc_display = "localhost:0,to=99";
4042 display_type = DT_NONE;
4046 #if defined(CONFIG_GTK)
4047 if (display_type == DT_GTK) {
4048 early_gtk_display_init();
4054 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4056 #ifdef CONFIG_VIRTFS
4057 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4064 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4069 /* init the memory */
4070 if (ram_size == 0) {
4071 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4074 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4079 configure_accelerator();
4081 if (!qtest_enabled() && qtest_chrdev) {
4085 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4087 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4088 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4089 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4091 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4094 if (!kernel_cmdline) {
4095 kernel_cmdline = "";
4098 linux_boot = (kernel_filename != NULL);
4100 if (!linux_boot && *kernel_cmdline != '\0') {
4101 fprintf(stderr, "-append only allowed with -kernel option\n");
4105 if (!linux_boot && initrd_filename != NULL) {
4106 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4110 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4111 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4115 os_set_line_buffering();
4117 qemu_init_cpu_loop();
4118 qemu_mutex_lock_iothread();
4121 /* spice needs the timers to be initialized by this point */
4125 if (icount_option && (kvm_enabled() || xen_enabled())) {
4126 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4129 configure_icount(icount_option);
4131 /* clean up network at qemu process termination */
4132 atexit(&net_cleanup);
4134 if (net_init_clients() < 0) {
4139 if (tpm_init() < 0) {
4144 /* init the bluetooth world */
4145 if (foreach_device_config(DEV_BT, bt_parse))
4148 if (!xen_enabled()) {
4149 /* On 32-bit hosts, QEMU is limited by virtual address space */
4150 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4151 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4156 cpu_exec_init_all();
4160 /* open the virtual block devices */
4162 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4163 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4164 &machine->block_default_type, 1) != 0) {
4168 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4170 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4171 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4173 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4175 if (nb_numa_nodes > 0) {
4178 if (nb_numa_nodes > MAX_NODES) {
4179 nb_numa_nodes = MAX_NODES;
4182 /* If no memory size if given for any node, assume the default case
4183 * and distribute the available memory equally across all nodes
4185 for (i = 0; i < nb_numa_nodes; i++) {
4186 if (node_mem[i] != 0)
4189 if (i == nb_numa_nodes) {
4190 uint64_t usedmem = 0;
4192 /* On Linux, the each node's border has to be 8MB aligned,
4193 * the final node gets the rest.
4195 for (i = 0; i < nb_numa_nodes - 1; i++) {
4196 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4197 usedmem += node_mem[i];
4199 node_mem[i] = ram_size - usedmem;
4202 for (i = 0; i < nb_numa_nodes; i++) {
4203 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4207 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4208 * must cope with this anyway, because there are BIOSes out there in
4209 * real machines which also use this scheme.
4211 if (i == nb_numa_nodes) {
4212 for (i = 0; i < max_cpus; i++) {
4213 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4218 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4222 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4224 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4226 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4228 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4231 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4234 /* If no default VGA is requested, the default is "none". */
4236 if (cirrus_vga_available()) {
4237 vga_model = "cirrus";
4238 } else if (vga_available()) {
4242 select_vgahw(vga_model);
4245 i = select_watchdog(watchdog);
4247 exit (i == 1 ? 1 : 0);
4250 if (machine->compat_props) {
4251 qdev_prop_register_global_list(machine->compat_props);
4255 qdev_machine_init();
4257 QEMUMachineInitArgs args = { .ram_size = ram_size,
4258 .boot_device = (boot_devices[0] == '\0') ?
4259 machine->boot_order :
4261 .kernel_filename = kernel_filename,
4262 .kernel_cmdline = kernel_cmdline,
4263 .initrd_filename = initrd_filename,
4264 .cpu_model = cpu_model };
4265 machine->init(&args);
4267 cpu_synchronize_all_post_init();
4271 current_machine = machine;
4273 /* init USB devices */
4274 if (usb_enabled(false)) {
4275 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4279 /* init generic devices */
4280 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4283 net_check_clients();
4285 ds = init_displaystate();
4287 /* init local displays */
4288 switch (display_type) {
4291 #if defined(CONFIG_CURSES)
4293 curses_display_init(ds, full_screen);
4296 #if defined(CONFIG_SDL)
4298 sdl_display_init(ds, full_screen, no_frame);
4300 #elif defined(CONFIG_COCOA)
4302 cocoa_display_init(ds, full_screen);
4305 #if defined(CONFIG_GTK)
4307 gtk_display_init(ds);
4314 /* must be after terminal init, SDL library changes signal handlers */
4315 os_setup_signal_handling();
4318 /* init remote displays */
4320 Error *local_err = NULL;
4321 vnc_display_init(ds);
4322 vnc_display_open(ds, vnc_display, &local_err);
4323 if (local_err != NULL) {
4324 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4325 vnc_display, error_get_pretty(local_err));
4326 error_free(local_err);
4330 if (show_vnc_port) {
4331 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4336 if (using_spice && !qxl_enabled) {
4337 qemu_spice_display_init(ds);
4341 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4345 qdev_machine_creation_done();
4347 if (rom_load_all() != 0) {
4348 fprintf(stderr, "rom loading failed\n");
4352 /* TODO: once all bus devices are qdevified, this should be done
4353 * when bus is created by qdev.c */
4354 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4355 qemu_run_machine_init_done_notifiers();
4357 qemu_system_reset(VMRESET_SILENT);
4359 if (load_vmstate(loadvm) < 0) {
4365 Error *local_err = NULL;
4366 qemu_start_incoming_migration(incoming, &local_err);
4368 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4369 error_free(local_err);
4372 } else if (autostart) {