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;
202 static int no_frame = 0;
204 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208 int win2k_install_hack = 0;
215 const char *vnc_display;
217 int acpi_enabled = 1;
220 static int no_reboot;
223 int graphic_rotate = 0;
224 const char *watchdog;
225 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
227 int semihosting_enabled = 0;
229 const char *qemu_name;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
236 uint8_t *boot_splash_filedata;
237 size_t boot_splash_filedata_size;
238 uint8_t qemu_extra_params_fw[2];
240 typedef struct FWBootEntry FWBootEntry;
243 QTAILQ_ENTRY(FWBootEntry) link;
249 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
250 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
253 uint64_t node_mem[MAX_NODES];
254 unsigned long *node_cpumask[MAX_NODES];
256 uint8_t qemu_uuid[16];
258 static QEMUBootSetHandler *boot_set_handler;
259 static void *boot_set_opaque;
261 static NotifierList exit_notifiers =
262 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
264 static NotifierList machine_init_done_notifiers =
265 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
267 static bool tcg_allowed = true;
270 enum xen_mode xen_mode = XEN_EMULATE;
271 static int tcg_tb_size;
273 static int default_serial = 1;
274 static int default_parallel = 1;
275 static int default_virtcon = 1;
276 static int default_sclp = 1;
277 static int default_monitor = 1;
278 static int default_floppy = 1;
279 static int default_cdrom = 1;
280 static int default_sdcard = 1;
281 static int default_vga = 1;
287 { .driver = "isa-serial", .flag = &default_serial },
288 { .driver = "isa-parallel", .flag = &default_parallel },
289 { .driver = "isa-fdc", .flag = &default_floppy },
290 { .driver = "ide-cd", .flag = &default_cdrom },
291 { .driver = "ide-hd", .flag = &default_cdrom },
292 { .driver = "ide-drive", .flag = &default_cdrom },
293 { .driver = "scsi-cd", .flag = &default_cdrom },
294 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
295 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
296 { .driver = "virtio-serial", .flag = &default_virtcon },
297 { .driver = "VGA", .flag = &default_vga },
298 { .driver = "isa-vga", .flag = &default_vga },
299 { .driver = "cirrus-vga", .flag = &default_vga },
300 { .driver = "isa-cirrus-vga", .flag = &default_vga },
301 { .driver = "vmware-svga", .flag = &default_vga },
302 { .driver = "qxl-vga", .flag = &default_vga },
305 static QemuOptsList qemu_rtc_opts = {
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
311 .type = QEMU_OPT_STRING,
314 .type = QEMU_OPT_STRING,
317 .type = QEMU_OPT_STRING,
319 { /* end of list */ }
323 static QemuOptsList qemu_sandbox_opts = {
325 .implied_opt_name = "enable",
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
330 .type = QEMU_OPT_BOOL,
332 { /* end of list */ }
336 static QemuOptsList qemu_trace_opts = {
338 .implied_opt_name = "trace",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
343 .type = QEMU_OPT_STRING,
346 .type = QEMU_OPT_STRING,
348 { /* end of list */ }
352 static QemuOptsList qemu_option_rom_opts = {
353 .name = "option-rom",
354 .implied_opt_name = "romfile",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
359 .type = QEMU_OPT_NUMBER,
362 .type = QEMU_OPT_STRING,
364 { /* end of list */ }
368 static QemuOptsList qemu_machine_opts = {
370 .implied_opt_name = "type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
376 .type = QEMU_OPT_STRING,
377 .help = "emulated machine"
380 .type = QEMU_OPT_STRING,
381 .help = "accelerator list",
383 .name = "kernel_irqchip",
384 .type = QEMU_OPT_BOOL,
385 .help = "use KVM in-kernel irqchip",
387 .name = "kvm_shadow_mem",
388 .type = QEMU_OPT_SIZE,
389 .help = "KVM shadow MMU size",
392 .type = QEMU_OPT_STRING,
393 .help = "Linux kernel image file",
396 .type = QEMU_OPT_STRING,
397 .help = "Linux initial ramdisk file",
400 .type = QEMU_OPT_STRING,
401 .help = "Linux kernel command line",
404 .type = QEMU_OPT_STRING,
405 .help = "Linux kernel device tree file",
408 .type = QEMU_OPT_STRING,
409 .help = "Dump current dtb to a file and quit",
411 .name = "phandle_start",
412 .type = QEMU_OPT_NUMBER,
413 .help = "The first phandle ID we may generate dynamically",
415 .name = "dt_compatible",
416 .type = QEMU_OPT_STRING,
417 .help = "Overrides the \"compatible\" property of the dt root node",
419 .name = "dump-guest-core",
420 .type = QEMU_OPT_BOOL,
421 .help = "Include guest memory in a core dump",
424 .type = QEMU_OPT_BOOL,
425 .help = "enable/disable memory merge support",
428 .type = QEMU_OPT_BOOL,
429 .help = "Set on/off to enable/disable usb",
431 { /* End of list */ }
435 static QemuOptsList qemu_boot_opts = {
437 .implied_opt_name = "order",
439 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
443 .type = QEMU_OPT_STRING,
446 .type = QEMU_OPT_STRING,
449 .type = QEMU_OPT_BOOL,
452 .type = QEMU_OPT_STRING,
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
461 .type = QEMU_OPT_STRING,
467 static QemuOptsList qemu_add_fd_opts = {
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
473 .type = QEMU_OPT_NUMBER,
474 .help = "file descriptor of which a duplicate is added to fd set",
477 .type = QEMU_OPT_NUMBER,
478 .help = "ID of the fd set to add fd to",
481 .type = QEMU_OPT_STRING,
482 .help = "free-form string used to describe fd",
484 { /* end of list */ }
488 static QemuOptsList qemu_object_opts = {
490 .implied_opt_name = "qom-type",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
497 static QemuOptsList qemu_tpmdev_opts = {
499 .implied_opt_name = "type",
500 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
502 /* options are defined in the TPM backends */
503 { /* end of list */ }
507 static QemuOptsList qemu_realtime_opts = {
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
513 .type = QEMU_OPT_BOOL,
515 { /* end of list */ }
519 static QemuOptsList qemu_msg_opts = {
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
525 .type = QEMU_OPT_BOOL,
527 { /* end of list */ }
532 * Get machine options
534 * Returns: machine options (never null).
536 QemuOpts *qemu_get_machine_opts(void)
541 list = qemu_find_opts("machine");
543 opts = qemu_opts_find(list, NULL);
545 opts = qemu_opts_create_nofail(list);
550 const char *qemu_get_vm_name(void)
555 static void res_free(void)
557 if (boot_splash_filedata != NULL) {
558 g_free(boot_splash_filedata);
559 boot_splash_filedata = NULL;
563 static int default_driver_check(QemuOpts *opts, void *opaque)
565 const char *driver = qemu_opt_get(opts, "driver");
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
573 *(default_list[i].flag) = 0;
578 /***********************************************************/
581 static RunState current_run_state = RUN_STATE_PRELAUNCH;
586 } RunStateTransition;
588 static const RunStateTransition runstate_transitions_def[] = {
590 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
595 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
599 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
602 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
608 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
614 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
616 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
617 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
618 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
619 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
620 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
622 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
623 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
624 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
625 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
627 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
629 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
630 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
633 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
634 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
635 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
638 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
641 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
644 { RUN_STATE_MAX, RUN_STATE_MAX },
647 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
649 bool runstate_check(RunState state)
651 return current_run_state == state;
654 static void runstate_init(void)
656 const RunStateTransition *p;
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
660 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
661 runstate_valid_transitions[p->from][p->to] = true;
665 /* This function will abort() on invalid state transitions */
666 void runstate_set(RunState new_state)
668 assert(new_state < RUN_STATE_MAX);
670 if (!runstate_valid_transitions[current_run_state][new_state]) {
671 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
672 RunState_lookup[current_run_state],
673 RunState_lookup[new_state]);
676 trace_runstate_set(new_state);
677 current_run_state = new_state;
680 int runstate_is_running(void)
682 return runstate_check(RUN_STATE_RUNNING);
685 bool runstate_needs_reset(void)
687 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
688 runstate_check(RUN_STATE_SHUTDOWN) ||
689 runstate_check(RUN_STATE_GUEST_PANICKED);
692 StatusInfo *qmp_query_status(Error **errp)
694 StatusInfo *info = g_malloc0(sizeof(*info));
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
703 /***********************************************************/
704 /* real time host monotonic timer */
706 /***********************************************************/
707 /* host time/date access */
708 void qemu_get_timedate(struct tm *tm, int offset)
714 if (rtc_date_offset == -1) {
718 localtime_r(&ti, tm);
720 ti -= rtc_date_offset;
725 int qemu_timedate_diff(struct tm *tm)
729 if (rtc_date_offset == -1)
731 seconds = mktimegm(tm);
734 tmp.tm_isdst = -1; /* use timezone to figure it out */
735 seconds = mktime(&tmp);
738 seconds = mktimegm(tm) + rtc_date_offset;
740 return seconds - time(NULL);
743 void rtc_change_mon_event(struct tm *tm)
747 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
748 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
749 qobject_decref(data);
752 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 time_t rtc_start_date;
757 if (!strcmp(startdate, "now") && legacy) {
758 rtc_date_offset = -1;
760 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
768 } else if (sscanf(startdate, "%d-%d-%d",
780 rtc_start_date = mktimegm(&tm);
781 if (rtc_start_date == -1) {
783 fprintf(stderr, "Invalid date format. Valid formats are:\n"
784 "'2006-06-17T16:01:21' or '2006-06-17'\n");
787 rtc_date_offset = time(NULL) - rtc_start_date;
791 static void configure_rtc(QemuOpts *opts)
795 value = qemu_opt_get(opts, "base");
797 if (!strcmp(value, "utc")) {
799 } else if (!strcmp(value, "localtime")) {
802 configure_rtc_date_offset(value, 0);
805 value = qemu_opt_get(opts, "clock");
807 if (!strcmp(value, "host")) {
808 rtc_clock = host_clock;
809 } else if (!strcmp(value, "rt")) {
810 rtc_clock = rt_clock;
811 } else if (!strcmp(value, "vm")) {
812 rtc_clock = vm_clock;
814 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
818 value = qemu_opt_get(opts, "driftfix");
820 if (!strcmp(value, "slew")) {
821 static GlobalProperty slew_lost_ticks[] = {
823 .driver = "mc146818rtc",
824 .property = "lost_tick_policy",
827 { /* end of list */ }
830 qdev_prop_register_global_list(slew_lost_ticks);
831 } else if (!strcmp(value, "none")) {
832 /* discard is default */
834 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
840 /***********************************************************/
841 /* Bluetooth support */
844 static struct HCIInfo *hci_table[MAX_NICS];
846 static struct bt_vlan_s {
847 struct bt_scatternet_s net;
849 struct bt_vlan_s *next;
852 /* find or alloc a new bluetooth "VLAN" */
853 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
855 struct bt_vlan_s **pvlan, *vlan;
856 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
860 vlan = g_malloc0(sizeof(struct bt_vlan_s));
862 pvlan = &first_bt_vlan;
863 while (*pvlan != NULL)
864 pvlan = &(*pvlan)->next;
869 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
873 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
878 static struct HCIInfo null_hci = {
879 .cmd_send = null_hci_send,
880 .sco_send = null_hci_send,
881 .acl_send = null_hci_send,
882 .bdaddr_set = null_hci_addr_set,
885 struct HCIInfo *qemu_next_hci(void)
887 if (cur_hci == nb_hcis)
890 return hci_table[cur_hci++];
893 static struct HCIInfo *hci_init(const char *str)
896 struct bt_scatternet_s *vlan = 0;
898 if (!strcmp(str, "null"))
901 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
903 return bt_host_hci(str[4] ? str + 5 : "hci0");
904 else if (!strncmp(str, "hci", 3)) {
907 if (!strncmp(str + 3, ",vlan=", 6)) {
908 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
913 vlan = qemu_find_bt_vlan(0);
915 return bt_new_hci(vlan);
918 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
923 static int bt_hci_parse(const char *str)
928 if (nb_hcis >= MAX_NICS) {
929 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
942 bdaddr.b[5] = 0x56 + nb_hcis;
943 hci->bdaddr_set(hci, bdaddr.b);
945 hci_table[nb_hcis++] = hci;
950 static void bt_vhci_add(int vlan_id)
952 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
955 fprintf(stderr, "qemu: warning: adding a VHCI to "
956 "an empty scatternet %i\n", vlan_id);
958 bt_vhci_init(bt_new_hci(vlan));
961 static struct bt_device_s *bt_device_add(const char *opt)
963 struct bt_scatternet_s *vlan;
965 char *endp = strstr(opt, ",vlan=");
966 int len = (endp ? endp - opt : strlen(opt)) + 1;
969 pstrcpy(devname, MIN(sizeof(devname), len), opt);
972 vlan_id = strtol(endp + 6, &endp, 0);
974 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
979 vlan = qemu_find_bt_vlan(vlan_id);
982 fprintf(stderr, "qemu: warning: adding a slave device to "
983 "an empty scatternet %i\n", vlan_id);
985 if (!strcmp(devname, "keyboard"))
986 return bt_keyboard_init(vlan);
988 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
992 static int bt_parse(const char *opt)
994 const char *endp, *p;
997 if (strstart(opt, "hci", &endp)) {
998 if (!*endp || *endp == ',') {
1000 if (!strstart(endp, ",vlan=", 0))
1003 return bt_hci_parse(opt);
1005 } else if (strstart(opt, "vhci", &endp)) {
1006 if (!*endp || *endp == ',') {
1008 if (strstart(endp, ",vlan=", &p)) {
1009 vlan = strtol(p, (char **) &endp, 0);
1011 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1015 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1024 } else if (strstart(opt, "device:", &endp))
1025 return !bt_device_add(endp);
1027 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1031 static int parse_sandbox(QemuOpts *opts, void *opaque)
1033 /* FIXME: change this to true for 1.3 */
1034 if (qemu_opt_get_bool(opts, "enable", false)) {
1035 #ifdef CONFIG_SECCOMP
1036 if (seccomp_start() < 0) {
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1038 "failed to install seccomp syscall filter in the kernel");
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1043 "sandboxing request but seccomp is not compiled into this build");
1051 bool usb_enabled(bool default_usb)
1053 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
1057 static int parse_add_fd(QemuOpts *opts, void *opaque)
1059 int fd, dupfd, flags;
1061 const char *fd_opaque = NULL;
1063 fd = qemu_opt_get_number(opts, "fd", -1);
1064 fdset_id = qemu_opt_get_number(opts, "set", -1);
1065 fd_opaque = qemu_opt_get(opts, "opaque");
1068 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1069 "fd option is required and must be non-negative");
1073 if (fd <= STDERR_FILENO) {
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1075 "fd cannot be a standard I/O stream");
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1083 flags = fcntl(fd, F_GETFD);
1084 if (flags == -1 || (flags & FD_CLOEXEC)) {
1085 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1086 "fd is not valid or already in use");
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1092 "set option is required and must be non-negative");
1096 #ifdef F_DUPFD_CLOEXEC
1097 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1101 qemu_set_cloexec(dupfd);
1105 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1106 "Error duplicating fd: %s", strerror(errno));
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1117 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1121 fd = qemu_opt_get_number(opts, "fd", -1);
1128 /***********************************************************/
1129 /* QEMU Block devices */
1131 #define HD_OPTS "media=disk"
1132 #define CDROM_OPTS "media=cdrom"
1134 #define PFLASH_OPTS ""
1138 static int drive_init_func(QemuOpts *opts, void *opaque)
1140 BlockInterfaceType *block_default_type = opaque;
1142 return drive_init(opts, *block_default_type) == NULL;
1145 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1147 if (NULL == qemu_opt_get(opts, "snapshot")) {
1148 qemu_opt_set(opts, "snapshot", "on");
1153 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1154 int index, const char *optstr)
1158 if (!enable || drive_get_by_index(type, index)) {
1162 opts = drive_add(type, index, NULL, optstr);
1164 drive_enable_snapshot(opts, NULL);
1166 if (!drive_init(opts, type)) {
1171 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1173 boot_set_handler = func;
1174 boot_set_opaque = opaque;
1177 int qemu_boot_set(const char *boot_order)
1179 if (!boot_set_handler) {
1182 return boot_set_handler(boot_set_opaque, boot_order);
1185 static void validate_bootdevices(const char *devices)
1187 /* We just do some generic consistency checks */
1191 for (p = devices; *p != '\0'; p++) {
1192 /* Allowed boot devices are:
1193 * a-b: floppy disk drives
1194 * c-f: IDE disk drives
1195 * g-m: machine implementation dependent drives
1196 * n-p: network devices
1197 * It's up to each machine implementation to check if the given boot
1198 * devices match the actual hardware implementation and firmware
1201 if (*p < 'a' || *p > 'p') {
1202 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1205 if (bitmap & (1 << (*p - 'a'))) {
1206 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1209 bitmap |= 1 << (*p - 'a');
1213 static void restore_boot_order(void *opaque)
1215 char *normal_boot_order = opaque;
1216 static int first = 1;
1218 /* Restore boot order and remove ourselves after the first boot */
1224 qemu_boot_set(normal_boot_order);
1226 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1227 g_free(normal_boot_order);
1230 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1233 FWBootEntry *node, *i;
1235 if (bootindex < 0) {
1239 assert(dev != NULL || suffix != NULL);
1241 node = g_malloc0(sizeof(FWBootEntry));
1242 node->bootindex = bootindex;
1243 node->suffix = g_strdup(suffix);
1246 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1247 if (i->bootindex == bootindex) {
1248 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1250 } else if (i->bootindex < bootindex) {
1253 QTAILQ_INSERT_BEFORE(i, node, link);
1256 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1259 DeviceState *get_boot_device(uint32_t position)
1261 uint32_t counter = 0;
1262 FWBootEntry *i = NULL;
1263 DeviceState *res = NULL;
1265 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1266 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1267 if (counter == position) {
1278 * This function returns null terminated string that consist of new line
1279 * separated device paths.
1281 * memory pointed by "size" is assigned total length of the array in bytes
1284 char *get_boot_devices_list(size_t *size)
1290 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1291 char *devpath = NULL, *bootpath;
1295 devpath = qdev_get_fw_dev_path(i->dev);
1299 if (i->suffix && devpath) {
1300 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1302 bootpath = g_malloc(bootpathlen);
1303 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1305 } else if (devpath) {
1309 bootpath = g_strdup(i->suffix);
1313 list[total-1] = '\n';
1315 len = strlen(bootpath) + 1;
1316 list = g_realloc(list, total + len);
1317 memcpy(&list[total], bootpath, len);
1324 if (boot_strict && *size > 0) {
1325 list[total-1] = '\n';
1326 list = g_realloc(list, total + 5);
1327 memcpy(&list[total], "HALT", 5);
1333 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1336 unsigned long long value, endvalue;
1338 /* Empty CPU range strings will be considered valid, they will simply
1339 * not set any bit in the CPU bitmap.
1345 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1348 if (*endptr == '-') {
1349 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1352 } else if (*endptr == '\0') {
1358 if (endvalue >= MAX_CPUMASK_BITS) {
1359 endvalue = MAX_CPUMASK_BITS - 1;
1361 "qemu: NUMA: A max of %d VCPUs are supported\n",
1365 if (endvalue < value) {
1369 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1373 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1377 static void numa_add(const char *optarg)
1381 unsigned long long nodenr;
1383 optarg = get_opt_name(option, 128, optarg, ',');
1384 if (*optarg == ',') {
1387 if (!strcmp(option, "node")) {
1389 if (nb_numa_nodes >= MAX_NODES) {
1390 fprintf(stderr, "qemu: too many NUMA nodes\n");
1394 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1395 nodenr = nb_numa_nodes;
1397 if (parse_uint_full(option, &nodenr, 10) < 0) {
1398 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1403 if (nodenr >= MAX_NODES) {
1404 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1408 if (get_param_value(option, 128, "mem", optarg) == 0) {
1409 node_mem[nodenr] = 0;
1412 sval = strtosz(option, &endptr);
1413 if (sval < 0 || *endptr) {
1414 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1417 node_mem[nodenr] = sval;
1419 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1420 numa_node_parse_cpus(nodenr, option);
1424 fprintf(stderr, "Invalid -numa option: %s\n", option);
1429 static QemuOptsList qemu_smp_opts = {
1431 .implied_opt_name = "cpus",
1432 .merge_lists = true,
1433 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1437 .type = QEMU_OPT_NUMBER,
1440 .type = QEMU_OPT_NUMBER,
1443 .type = QEMU_OPT_NUMBER,
1446 .type = QEMU_OPT_NUMBER,
1449 .type = QEMU_OPT_NUMBER,
1451 { /*End of list */ }
1455 static void smp_parse(QemuOpts *opts)
1459 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1460 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1461 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1462 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1464 /* compute missing values, prefer sockets over cores over threads */
1465 if (cpus == 0 || sockets == 0) {
1466 sockets = sockets > 0 ? sockets : 1;
1467 cores = cores > 0 ? cores : 1;
1468 threads = threads > 0 ? threads : 1;
1470 cpus = cores * threads * sockets;
1474 threads = threads > 0 ? threads : 1;
1475 cores = cpus / (sockets * threads);
1477 threads = cpus / (cores * sockets);
1481 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1484 smp_cores = cores > 0 ? cores : 1;
1485 smp_threads = threads > 0 ? threads : 1;
1489 if (max_cpus == 0) {
1490 max_cpus = smp_cpus;
1493 if (max_cpus > 255) {
1494 fprintf(stderr, "Unsupported number of maxcpus\n");
1497 if (max_cpus < smp_cpus) {
1498 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1504 static void configure_realtime(QemuOpts *opts)
1508 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1511 if (os_mlock() < 0) {
1512 fprintf(stderr, "qemu: locking memory failed\n");
1519 static void configure_msg(QemuOpts *opts)
1521 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1524 /***********************************************************/
1527 static int usb_device_add(const char *devname)
1530 USBDevice *dev = NULL;
1532 if (!usb_enabled(false)) {
1536 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1537 dev = usbdevice_create(devname);
1541 /* the other ones */
1542 #ifndef CONFIG_LINUX
1543 /* only the linux version is qdev-ified, usb-bsd still needs this */
1544 if (strstart(devname, "host:", &p)) {
1545 dev = usb_host_device_open(usb_bus_find(-1), p);
1548 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1549 dev = usb_bt_init(usb_bus_find(-1),
1550 devname[2] ? hci_init(p)
1551 : bt_new_hci(qemu_find_bt_vlan(0)));
1562 static int usb_device_del(const char *devname)
1567 if (strstart(devname, "host:", &p)) {
1571 if (!usb_enabled(false)) {
1575 p = strchr(devname, '.');
1578 bus_num = strtoul(devname, NULL, 0);
1579 addr = strtoul(p + 1, NULL, 0);
1581 return usb_device_delete_addr(bus_num, addr);
1584 static int usb_parse(const char *cmdline)
1587 r = usb_device_add(cmdline);
1589 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1594 void do_usb_add(Monitor *mon, const QDict *qdict)
1596 const char *devname = qdict_get_str(qdict, "devname");
1597 if (usb_device_add(devname) < 0) {
1598 error_report("could not add USB device '%s'", devname);
1602 void do_usb_del(Monitor *mon, const QDict *qdict)
1604 const char *devname = qdict_get_str(qdict, "devname");
1605 if (usb_device_del(devname) < 0) {
1606 error_report("could not delete USB device '%s'", devname);
1610 /***********************************************************/
1611 /* PCMCIA/Cardbus */
1613 static struct pcmcia_socket_entry_s {
1614 PCMCIASocket *socket;
1615 struct pcmcia_socket_entry_s *next;
1616 } *pcmcia_sockets = 0;
1618 void pcmcia_socket_register(PCMCIASocket *socket)
1620 struct pcmcia_socket_entry_s *entry;
1622 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1623 entry->socket = socket;
1624 entry->next = pcmcia_sockets;
1625 pcmcia_sockets = entry;
1628 void pcmcia_socket_unregister(PCMCIASocket *socket)
1630 struct pcmcia_socket_entry_s *entry, **ptr;
1632 ptr = &pcmcia_sockets;
1633 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1634 if (entry->socket == socket) {
1640 void pcmcia_info(Monitor *mon, const QDict *qdict)
1642 struct pcmcia_socket_entry_s *iter;
1644 if (!pcmcia_sockets)
1645 monitor_printf(mon, "No PCMCIA sockets\n");
1647 for (iter = pcmcia_sockets; iter; iter = iter->next)
1648 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1649 iter->socket->attached ? iter->socket->card_string :
1653 /***********************************************************/
1654 /* machine registration */
1656 static QEMUMachine *first_machine = NULL;
1657 QEMUMachine *current_machine = NULL;
1659 int qemu_register_machine(QEMUMachine *m)
1662 pm = &first_machine;
1670 static QEMUMachine *find_machine(const char *name)
1674 for(m = first_machine; m != NULL; m = m->next) {
1675 if (!strcmp(m->name, name))
1677 if (m->alias && !strcmp(m->alias, name))
1683 QEMUMachine *find_default_machine(void)
1687 for(m = first_machine; m != NULL; m = m->next) {
1688 if (m->is_default) {
1695 MachineInfoList *qmp_query_machines(Error **errp)
1697 MachineInfoList *mach_list = NULL;
1700 for (m = first_machine; m; m = m->next) {
1701 MachineInfoList *entry;
1704 info = g_malloc0(sizeof(*info));
1705 if (m->is_default) {
1706 info->has_is_default = true;
1707 info->is_default = true;
1711 info->has_alias = true;
1712 info->alias = g_strdup(m->alias);
1715 info->name = g_strdup(m->name);
1716 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1718 entry = g_malloc0(sizeof(*entry));
1719 entry->value = info;
1720 entry->next = mach_list;
1727 /***********************************************************/
1728 /* main execution loop */
1730 struct vm_change_state_entry {
1731 VMChangeStateHandler *cb;
1733 QLIST_ENTRY (vm_change_state_entry) entries;
1736 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1738 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1741 VMChangeStateEntry *e;
1743 e = g_malloc0(sizeof (*e));
1747 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1751 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1753 QLIST_REMOVE (e, entries);
1757 void vm_state_notify(int running, RunState state)
1759 VMChangeStateEntry *e;
1761 trace_vm_state_notify(running, state);
1763 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1764 e->cb(e->opaque, running, state);
1770 if (!runstate_is_running()) {
1772 runstate_set(RUN_STATE_RUNNING);
1773 vm_state_notify(1, RUN_STATE_RUNNING);
1775 monitor_protocol_event(QEVENT_RESUME, NULL);
1779 /* reset/shutdown handler */
1781 typedef struct QEMUResetEntry {
1782 QTAILQ_ENTRY(QEMUResetEntry) entry;
1783 QEMUResetHandler *func;
1787 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1788 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1789 static int reset_requested;
1790 static int shutdown_requested, shutdown_signal = -1;
1791 static pid_t shutdown_pid;
1792 static int powerdown_requested;
1793 static int debug_requested;
1794 static int suspend_requested;
1795 static int wakeup_requested;
1796 static NotifierList powerdown_notifiers =
1797 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1798 static NotifierList suspend_notifiers =
1799 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1800 static NotifierList wakeup_notifiers =
1801 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1802 static uint32_t wakeup_reason_mask = ~0;
1803 static RunState vmstop_requested = RUN_STATE_MAX;
1805 int qemu_shutdown_requested_get(void)
1807 return shutdown_requested;
1810 int qemu_reset_requested_get(void)
1812 return reset_requested;
1815 static int qemu_shutdown_requested(void)
1817 int r = shutdown_requested;
1818 shutdown_requested = 0;
1822 static void qemu_kill_report(void)
1824 if (!qtest_enabled() && shutdown_signal != -1) {
1825 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1826 if (shutdown_pid == 0) {
1827 /* This happens for eg ^C at the terminal, so it's worth
1828 * avoiding printing an odd message in that case.
1830 fputc('\n', stderr);
1832 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1834 shutdown_signal = -1;
1838 static int qemu_reset_requested(void)
1840 int r = reset_requested;
1841 reset_requested = 0;
1845 static int qemu_suspend_requested(void)
1847 int r = suspend_requested;
1848 suspend_requested = 0;
1852 static int qemu_wakeup_requested(void)
1854 int r = wakeup_requested;
1855 wakeup_requested = 0;
1859 static int qemu_powerdown_requested(void)
1861 int r = powerdown_requested;
1862 powerdown_requested = 0;
1866 static int qemu_debug_requested(void)
1868 int r = debug_requested;
1869 debug_requested = 0;
1873 /* We use RUN_STATE_MAX but any invalid value will do */
1874 static bool qemu_vmstop_requested(RunState *r)
1876 if (vmstop_requested < RUN_STATE_MAX) {
1877 *r = vmstop_requested;
1878 vmstop_requested = RUN_STATE_MAX;
1885 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1887 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1890 re->opaque = opaque;
1891 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1894 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1898 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1899 if (re->func == func && re->opaque == opaque) {
1900 QTAILQ_REMOVE(&reset_handlers, re, entry);
1907 void qemu_devices_reset(void)
1909 QEMUResetEntry *re, *nre;
1911 /* reset all devices */
1912 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1913 re->func(re->opaque);
1917 void qemu_system_reset(bool report)
1919 if (current_machine && current_machine->reset) {
1920 current_machine->reset();
1922 qemu_devices_reset();
1925 monitor_protocol_event(QEVENT_RESET, NULL);
1927 cpu_synchronize_all_post_reset();
1930 void qemu_system_reset_request(void)
1933 shutdown_requested = 1;
1935 reset_requested = 1;
1938 qemu_notify_event();
1941 static void qemu_system_suspend(void)
1944 notifier_list_notify(&suspend_notifiers, NULL);
1945 runstate_set(RUN_STATE_SUSPENDED);
1946 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1949 void qemu_system_suspend_request(void)
1951 if (runstate_check(RUN_STATE_SUSPENDED)) {
1954 suspend_requested = 1;
1956 qemu_notify_event();
1959 void qemu_register_suspend_notifier(Notifier *notifier)
1961 notifier_list_add(&suspend_notifiers, notifier);
1964 void qemu_system_wakeup_request(WakeupReason reason)
1966 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1969 if (!(wakeup_reason_mask & (1 << reason))) {
1972 runstate_set(RUN_STATE_RUNNING);
1973 notifier_list_notify(&wakeup_notifiers, &reason);
1974 wakeup_requested = 1;
1975 qemu_notify_event();
1978 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1981 wakeup_reason_mask |= (1 << reason);
1983 wakeup_reason_mask &= ~(1 << reason);
1987 void qemu_register_wakeup_notifier(Notifier *notifier)
1989 notifier_list_add(&wakeup_notifiers, notifier);
1992 void qemu_system_killed(int signal, pid_t pid)
1994 shutdown_signal = signal;
1997 qemu_system_shutdown_request();
2000 void qemu_system_shutdown_request(void)
2002 shutdown_requested = 1;
2003 qemu_notify_event();
2006 static void qemu_system_powerdown(void)
2008 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
2009 notifier_list_notify(&powerdown_notifiers, NULL);
2012 void qemu_system_powerdown_request(void)
2014 powerdown_requested = 1;
2015 qemu_notify_event();
2018 void qemu_register_powerdown_notifier(Notifier *notifier)
2020 notifier_list_add(&powerdown_notifiers, notifier);
2023 void qemu_system_debug_request(void)
2025 debug_requested = 1;
2026 qemu_notify_event();
2029 void qemu_system_vmstop_request(RunState state)
2031 vmstop_requested = state;
2032 qemu_notify_event();
2035 static bool main_loop_should_exit(void)
2038 if (qemu_debug_requested()) {
2039 vm_stop(RUN_STATE_DEBUG);
2041 if (qemu_suspend_requested()) {
2042 qemu_system_suspend();
2044 if (qemu_shutdown_requested()) {
2046 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2048 vm_stop(RUN_STATE_SHUTDOWN);
2053 if (qemu_reset_requested()) {
2055 cpu_synchronize_all_states();
2056 qemu_system_reset(VMRESET_REPORT);
2058 if (runstate_needs_reset()) {
2059 runstate_set(RUN_STATE_PAUSED);
2062 if (qemu_wakeup_requested()) {
2064 cpu_synchronize_all_states();
2065 qemu_system_reset(VMRESET_SILENT);
2067 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2069 if (qemu_powerdown_requested()) {
2070 qemu_system_powerdown();
2072 if (qemu_vmstop_requested(&r)) {
2078 static void main_loop(void)
2082 #ifdef CONFIG_PROFILER
2086 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2087 #ifdef CONFIG_PROFILER
2088 ti = profile_getclock();
2090 last_io = main_loop_wait(nonblocking);
2091 #ifdef CONFIG_PROFILER
2092 dev_time += profile_getclock() - ti;
2094 } while (!main_loop_should_exit());
2097 static void version(void)
2099 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2102 static void help(int exitcode)
2105 printf("usage: %s [options] [disk_image]\n\n"
2106 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2107 error_get_progname());
2109 #define QEMU_OPTIONS_GENERATE_HELP
2110 #include "qemu-options-wrapper.h"
2112 printf("\nDuring emulation, the following keys are useful:\n"
2113 "ctrl-alt-f toggle full screen\n"
2114 "ctrl-alt-n switch to virtual console 'n'\n"
2115 "ctrl-alt toggle mouse and keyboard grab\n"
2117 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2122 #define HAS_ARG 0x0001
2124 typedef struct QEMUOption {
2131 static const QEMUOption qemu_options[] = {
2132 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2133 #define QEMU_OPTIONS_GENERATE_OPTIONS
2134 #include "qemu-options-wrapper.h"
2138 static bool vga_available(void)
2140 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2143 static bool cirrus_vga_available(void)
2145 return object_class_by_name("cirrus-vga")
2146 || object_class_by_name("isa-cirrus-vga");
2149 static bool vmware_vga_available(void)
2151 return object_class_by_name("vmware-svga");
2154 static bool qxl_vga_available(void)
2156 return object_class_by_name("qxl-vga");
2159 static void select_vgahw (const char *p)
2163 vga_interface_type = VGA_NONE;
2164 if (strstart(p, "std", &opts)) {
2165 if (vga_available()) {
2166 vga_interface_type = VGA_STD;
2168 fprintf(stderr, "Error: standard VGA not available\n");
2171 } else if (strstart(p, "cirrus", &opts)) {
2172 if (cirrus_vga_available()) {
2173 vga_interface_type = VGA_CIRRUS;
2175 fprintf(stderr, "Error: Cirrus VGA not available\n");
2178 } else if (strstart(p, "vmware", &opts)) {
2179 if (vmware_vga_available()) {
2180 vga_interface_type = VGA_VMWARE;
2182 fprintf(stderr, "Error: VMWare SVGA not available\n");
2185 } else if (strstart(p, "xenfb", &opts)) {
2186 vga_interface_type = VGA_XENFB;
2187 } else if (strstart(p, "qxl", &opts)) {
2188 if (qxl_vga_available()) {
2189 vga_interface_type = VGA_QXL;
2191 fprintf(stderr, "Error: QXL VGA not available\n");
2194 } else if (!strstart(p, "none", &opts)) {
2196 fprintf(stderr, "Unknown vga type: %s\n", p);
2200 const char *nextopt;
2202 if (strstart(opts, ",retrace=", &nextopt)) {
2204 if (strstart(opts, "dumb", &nextopt))
2205 vga_retrace_method = VGA_RETRACE_DUMB;
2206 else if (strstart(opts, "precise", &nextopt))
2207 vga_retrace_method = VGA_RETRACE_PRECISE;
2208 else goto invalid_vga;
2209 } else goto invalid_vga;
2214 static DisplayType select_display(const char *p)
2217 DisplayType display = DT_DEFAULT;
2219 if (strstart(p, "sdl", &opts)) {
2223 const char *nextopt;
2225 if (strstart(opts, ",frame=", &nextopt)) {
2227 if (strstart(opts, "on", &nextopt)) {
2229 } else if (strstart(opts, "off", &nextopt)) {
2232 goto invalid_sdl_args;
2234 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2236 if (strstart(opts, "on", &nextopt)) {
2238 } else if (strstart(opts, "off", &nextopt)) {
2241 goto invalid_sdl_args;
2243 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2245 if (strstart(opts, "on", &nextopt)) {
2247 } else if (strstart(opts, "off", &nextopt)) {
2250 goto invalid_sdl_args;
2252 } else if (strstart(opts, ",window_close=", &nextopt)) {
2254 if (strstart(opts, "on", &nextopt)) {
2256 } else if (strstart(opts, "off", &nextopt)) {
2259 goto invalid_sdl_args;
2263 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2269 fprintf(stderr, "SDL support is disabled\n");
2272 } else if (strstart(p, "vnc", &opts)) {
2277 const char *nextopt;
2279 if (strstart(opts, "=", &nextopt)) {
2280 vnc_display = nextopt;
2284 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2288 fprintf(stderr, "VNC support is disabled\n");
2291 } else if (strstart(p, "curses", &opts)) {
2292 #ifdef CONFIG_CURSES
2293 display = DT_CURSES;
2295 fprintf(stderr, "Curses support is disabled\n");
2298 } else if (strstart(p, "gtk", &opts)) {
2302 fprintf(stderr, "GTK support is disabled\n");
2305 } else if (strstart(p, "none", &opts)) {
2308 fprintf(stderr, "Unknown display type: %s\n", p);
2315 static int balloon_parse(const char *arg)
2319 if (strcmp(arg, "none") == 0) {
2323 if (!strncmp(arg, "virtio", 6)) {
2324 if (arg[6] == ',') {
2325 /* have params -> parse them */
2326 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2330 /* create empty opts */
2331 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2333 qemu_opt_set(opts, "driver", "virtio-balloon");
2340 char *qemu_find_file(int type, const char *name)
2346 /* Try the name as a straight path first */
2347 if (access(name, R_OK) == 0) {
2348 trace_load_file(name, name);
2349 return g_strdup(name);
2353 case QEMU_FILE_TYPE_BIOS:
2356 case QEMU_FILE_TYPE_KEYMAP:
2357 subdir = "keymaps/";
2363 for (i = 0; i < data_dir_idx; i++) {
2364 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2365 if (access(buf, R_OK) == 0) {
2366 trace_load_file(name, buf);
2374 static int device_help_func(QemuOpts *opts, void *opaque)
2376 return qdev_device_help(opts);
2379 static int device_init_func(QemuOpts *opts, void *opaque)
2383 dev = qdev_device_add(opts);
2386 object_unref(OBJECT(dev));
2390 static int chardev_init_func(QemuOpts *opts, void *opaque)
2392 Error *local_err = NULL;
2394 qemu_chr_new_from_opts(opts, NULL, &local_err);
2395 if (error_is_set(&local_err)) {
2396 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2397 error_free(local_err);
2403 #ifdef CONFIG_VIRTFS
2404 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2407 ret = qemu_fsdev_add(opts);
2413 static int mon_init_func(QemuOpts *opts, void *opaque)
2415 CharDriverState *chr;
2416 const char *chardev;
2420 mode = qemu_opt_get(opts, "mode");
2424 if (strcmp(mode, "readline") == 0) {
2425 flags = MONITOR_USE_READLINE;
2426 } else if (strcmp(mode, "control") == 0) {
2427 flags = MONITOR_USE_CONTROL;
2429 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2433 if (qemu_opt_get_bool(opts, "pretty", 0))
2434 flags |= MONITOR_USE_PRETTY;
2436 if (qemu_opt_get_bool(opts, "default", 0))
2437 flags |= MONITOR_IS_DEFAULT;
2439 chardev = qemu_opt_get(opts, "chardev");
2440 chr = qemu_chr_find(chardev);
2442 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2446 qemu_chr_fe_claim_no_fail(chr);
2447 monitor_init(chr, flags);
2451 static void monitor_parse(const char *optarg, const char *mode)
2453 static int monitor_device_index = 0;
2459 if (strstart(optarg, "chardev:", &p)) {
2460 snprintf(label, sizeof(label), "%s", p);
2462 snprintf(label, sizeof(label), "compat_monitor%d",
2463 monitor_device_index);
2464 if (monitor_device_index == 0) {
2467 opts = qemu_chr_parse_compat(label, optarg);
2469 fprintf(stderr, "parse error: %s\n", optarg);
2474 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2476 fprintf(stderr, "duplicate chardev: %s\n", label);
2479 qemu_opt_set(opts, "mode", mode);
2480 qemu_opt_set(opts, "chardev", label);
2482 qemu_opt_set(opts, "default", "on");
2483 monitor_device_index++;
2486 struct device_config {
2488 DEV_USB, /* -usbdevice */
2490 DEV_SERIAL, /* -serial */
2491 DEV_PARALLEL, /* -parallel */
2492 DEV_VIRTCON, /* -virtioconsole */
2493 DEV_DEBUGCON, /* -debugcon */
2494 DEV_GDB, /* -gdb, -s */
2495 DEV_SCLP, /* s390 sclp */
2497 const char *cmdline;
2499 QTAILQ_ENTRY(device_config) next;
2502 static QTAILQ_HEAD(, device_config) device_configs =
2503 QTAILQ_HEAD_INITIALIZER(device_configs);
2505 static void add_device_config(int type, const char *cmdline)
2507 struct device_config *conf;
2509 conf = g_malloc0(sizeof(*conf));
2511 conf->cmdline = cmdline;
2512 loc_save(&conf->loc);
2513 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2516 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2518 struct device_config *conf;
2521 QTAILQ_FOREACH(conf, &device_configs, next) {
2522 if (conf->type != type)
2524 loc_push_restore(&conf->loc);
2525 rc = func(conf->cmdline);
2526 loc_pop(&conf->loc);
2533 static int serial_parse(const char *devname)
2535 static int index = 0;
2538 if (strcmp(devname, "none") == 0)
2540 if (index == MAX_SERIAL_PORTS) {
2541 fprintf(stderr, "qemu: too many serial ports\n");
2544 snprintf(label, sizeof(label), "serial%d", index);
2545 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2546 if (!serial_hds[index]) {
2547 fprintf(stderr, "qemu: could not connect serial device"
2548 " to character backend '%s'\n", devname);
2555 static int parallel_parse(const char *devname)
2557 static int index = 0;
2560 if (strcmp(devname, "none") == 0)
2562 if (index == MAX_PARALLEL_PORTS) {
2563 fprintf(stderr, "qemu: too many parallel ports\n");
2566 snprintf(label, sizeof(label), "parallel%d", index);
2567 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2568 if (!parallel_hds[index]) {
2569 fprintf(stderr, "qemu: could not connect parallel device"
2570 " to character backend '%s'\n", devname);
2577 static int virtcon_parse(const char *devname)
2579 QemuOptsList *device = qemu_find_opts("device");
2580 static int index = 0;
2582 QemuOpts *bus_opts, *dev_opts;
2584 if (strcmp(devname, "none") == 0)
2586 if (index == MAX_VIRTIO_CONSOLES) {
2587 fprintf(stderr, "qemu: too many virtio consoles\n");
2591 bus_opts = qemu_opts_create_nofail(device);
2592 if (arch_type == QEMU_ARCH_S390X) {
2593 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2595 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2598 dev_opts = qemu_opts_create_nofail(device);
2599 qemu_opt_set(dev_opts, "driver", "virtconsole");
2601 snprintf(label, sizeof(label), "virtcon%d", index);
2602 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2603 if (!virtcon_hds[index]) {
2604 fprintf(stderr, "qemu: could not connect virtio console"
2605 " to character backend '%s'\n", devname);
2608 qemu_opt_set(dev_opts, "chardev", label);
2614 static int sclp_parse(const char *devname)
2616 QemuOptsList *device = qemu_find_opts("device");
2617 static int index = 0;
2621 if (strcmp(devname, "none") == 0) {
2624 if (index == MAX_SCLP_CONSOLES) {
2625 fprintf(stderr, "qemu: too many sclp consoles\n");
2629 assert(arch_type == QEMU_ARCH_S390X);
2631 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2632 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2634 snprintf(label, sizeof(label), "sclpcon%d", index);
2635 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2636 if (!sclp_hds[index]) {
2637 fprintf(stderr, "qemu: could not connect sclp console"
2638 " to character backend '%s'\n", devname);
2641 qemu_opt_set(dev_opts, "chardev", label);
2647 static int debugcon_parse(const char *devname)
2651 if (!qemu_chr_new("debugcon", devname, NULL)) {
2654 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2656 fprintf(stderr, "qemu: already have a debugcon device\n");
2659 qemu_opt_set(opts, "driver", "isa-debugcon");
2660 qemu_opt_set(opts, "chardev", "debugcon");
2664 static QEMUMachine *machine_parse(const char *name)
2666 QEMUMachine *m, *machine = NULL;
2669 machine = find_machine(name);
2674 printf("Supported machines are:\n");
2675 for (m = first_machine; m != NULL; m = m->next) {
2677 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2679 printf("%-20s %s%s\n", m->name, m->desc,
2680 m->is_default ? " (default)" : "");
2682 exit(!name || !is_help_option(name));
2685 static int tcg_init(void)
2687 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2692 const char *opt_name;
2694 int (*available)(void);
2698 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2699 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2700 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2701 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2704 static int configure_accelerator(void)
2709 bool accel_initialised = false;
2710 bool init_failed = false;
2712 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2714 /* Use the default "accelerator", tcg */
2718 while (!accel_initialised && *p != '\0') {
2722 p = get_opt_name(buf, sizeof (buf), p, ':');
2723 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2724 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2725 if (!accel_list[i].available()) {
2726 printf("%s not supported for this target\n",
2727 accel_list[i].name);
2730 *(accel_list[i].allowed) = true;
2731 ret = accel_list[i].init();
2734 fprintf(stderr, "failed to initialize %s: %s\n",
2737 *(accel_list[i].allowed) = false;
2739 accel_initialised = true;
2744 if (i == ARRAY_SIZE(accel_list)) {
2745 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2749 if (!accel_initialised) {
2751 fprintf(stderr, "No accelerator found!\n");
2757 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2760 return !accel_initialised;
2763 void qemu_add_exit_notifier(Notifier *notify)
2765 notifier_list_add(&exit_notifiers, notify);
2768 void qemu_remove_exit_notifier(Notifier *notify)
2770 notifier_remove(notify);
2773 static void qemu_run_exit_notifiers(void)
2775 notifier_list_notify(&exit_notifiers, NULL);
2778 void qemu_add_machine_init_done_notifier(Notifier *notify)
2780 notifier_list_add(&machine_init_done_notifiers, notify);
2783 static void qemu_run_machine_init_done_notifiers(void)
2785 notifier_list_notify(&machine_init_done_notifiers, NULL);
2788 static const QEMUOption *lookup_opt(int argc, char **argv,
2789 const char **poptarg, int *poptind)
2791 const QEMUOption *popt;
2792 int optind = *poptind;
2793 char *r = argv[optind];
2796 loc_set_cmdline(argv, optind, 1);
2798 /* Treat --foo the same as -foo. */
2801 popt = qemu_options;
2804 error_report("invalid option");
2807 if (!strcmp(popt->name, r + 1))
2811 if (popt->flags & HAS_ARG) {
2812 if (optind >= argc) {
2813 error_report("requires an argument");
2816 optarg = argv[optind++];
2817 loc_set_cmdline(argv, optind - 2, 2);
2828 static gpointer malloc_and_trace(gsize n_bytes)
2830 void *ptr = malloc(n_bytes);
2831 trace_g_malloc(n_bytes, ptr);
2835 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2837 void *ptr = realloc(mem, n_bytes);
2838 trace_g_realloc(mem, n_bytes, ptr);
2842 static void free_and_trace(gpointer mem)
2848 static int object_set_property(const char *name, const char *value, void *opaque)
2850 Object *obj = OBJECT(opaque);
2851 StringInputVisitor *siv;
2852 Error *local_err = NULL;
2854 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2858 siv = string_input_visitor_new(value);
2859 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2860 string_input_visitor_cleanup(siv);
2863 qerror_report_err(local_err);
2864 error_free(local_err);
2871 static int object_create(QemuOpts *opts, void *opaque)
2873 const char *type = qemu_opt_get(opts, "qom-type");
2874 const char *id = qemu_opts_id(opts);
2877 g_assert(type != NULL);
2880 qerror_report(QERR_MISSING_PARAMETER, "id");
2884 obj = object_new(type);
2885 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2889 object_property_add_child(container_get(object_get_root(), "/objects"),
2895 int main(int argc, char **argv, char **envp)
2898 int snapshot, linux_boot;
2899 const char *icount_option = NULL;
2900 const char *initrd_filename;
2901 const char *kernel_filename, *kernel_cmdline;
2902 const char *boot_order = NULL;
2904 int cyls, heads, secs, translation;
2905 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2906 QemuOptsList *olist;
2909 const char *loadvm = NULL;
2910 QEMUMachine *machine;
2911 const char *cpu_model;
2912 const char *vga_model = "none";
2913 const char *pid_file = NULL;
2914 const char *incoming = NULL;
2916 int show_vnc_port = 0;
2918 bool defconfig = true;
2919 bool userconfig = true;
2920 const char *log_mask = NULL;
2921 const char *log_file = NULL;
2922 GMemVTable mem_trace = {
2923 .malloc = malloc_and_trace,
2924 .realloc = realloc_and_trace,
2925 .free = free_and_trace,
2927 const char *trace_events = NULL;
2928 const char *trace_file = NULL;
2930 atexit(qemu_run_exit_notifiers);
2931 error_set_progname(argv[0]);
2933 g_mem_set_vtable(&mem_trace);
2934 if (!g_thread_supported()) {
2935 #if !GLIB_CHECK_VERSION(2, 31, 0)
2936 g_thread_init(NULL);
2938 fprintf(stderr, "glib threading failed to initialize.\n");
2943 module_call_init(MODULE_INIT_QOM);
2945 qemu_add_opts(&qemu_drive_opts);
2946 qemu_add_opts(&qemu_chardev_opts);
2947 qemu_add_opts(&qemu_device_opts);
2948 qemu_add_opts(&qemu_netdev_opts);
2949 qemu_add_opts(&qemu_net_opts);
2950 qemu_add_opts(&qemu_rtc_opts);
2951 qemu_add_opts(&qemu_global_opts);
2952 qemu_add_opts(&qemu_mon_opts);
2953 qemu_add_opts(&qemu_trace_opts);
2954 qemu_add_opts(&qemu_option_rom_opts);
2955 qemu_add_opts(&qemu_machine_opts);
2956 qemu_add_opts(&qemu_smp_opts);
2957 qemu_add_opts(&qemu_boot_opts);
2958 qemu_add_opts(&qemu_sandbox_opts);
2959 qemu_add_opts(&qemu_add_fd_opts);
2960 qemu_add_opts(&qemu_object_opts);
2961 qemu_add_opts(&qemu_tpmdev_opts);
2962 qemu_add_opts(&qemu_realtime_opts);
2963 qemu_add_opts(&qemu_msg_opts);
2968 rtc_clock = host_clock;
2970 qemu_cache_utils_init(envp);
2972 QLIST_INIT (&vm_change_state_head);
2973 os_setup_early_signal_handling();
2975 module_call_init(MODULE_INIT_MACHINE);
2976 machine = find_default_machine();
2980 cyls = heads = secs = 0;
2981 translation = BIOS_ATA_TRANSLATION_AUTO;
2983 for (i = 0; i < MAX_NODES; i++) {
2985 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2991 bdrv_init_with_whitelist();
2995 /* first pass of option parsing */
2997 while (optind < argc) {
2998 if (argv[optind][0] != '-') {
3003 const QEMUOption *popt;
3005 popt = lookup_opt(argc, argv, &optarg, &optind);
3006 switch (popt->index) {
3007 case QEMU_OPTION_nodefconfig:
3010 case QEMU_OPTION_nouserconfig:
3019 ret = qemu_read_default_config_files(userconfig);
3025 /* second pass of option parsing */
3030 if (argv[optind][0] != '-') {
3031 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3033 const QEMUOption *popt;
3035 popt = lookup_opt(argc, argv, &optarg, &optind);
3036 if (!(popt->arch_mask & arch_type)) {
3037 printf("Option %s not supported for this target\n", popt->name);
3040 switch(popt->index) {
3042 machine = machine_parse(optarg);
3044 case QEMU_OPTION_no_kvm_irqchip: {
3045 olist = qemu_find_opts("machine");
3046 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3049 case QEMU_OPTION_cpu:
3050 /* hw initialization will check this */
3053 case QEMU_OPTION_hda:
3057 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3059 snprintf(buf, sizeof(buf),
3060 "%s,cyls=%d,heads=%d,secs=%d%s",
3061 HD_OPTS , cyls, heads, secs,
3062 translation == BIOS_ATA_TRANSLATION_LBA ?
3064 translation == BIOS_ATA_TRANSLATION_NONE ?
3065 ",trans=none" : "");
3066 drive_add(IF_DEFAULT, 0, optarg, buf);
3069 case QEMU_OPTION_hdb:
3070 case QEMU_OPTION_hdc:
3071 case QEMU_OPTION_hdd:
3072 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3075 case QEMU_OPTION_drive:
3076 if (drive_def(optarg) == NULL) {
3080 case QEMU_OPTION_set:
3081 if (qemu_set_option(optarg) != 0)
3084 case QEMU_OPTION_global:
3085 if (qemu_global_option(optarg) != 0)
3088 case QEMU_OPTION_mtdblock:
3089 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3091 case QEMU_OPTION_sd:
3092 drive_add(IF_SD, -1, optarg, SD_OPTS);
3094 case QEMU_OPTION_pflash:
3095 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3097 case QEMU_OPTION_snapshot:
3100 case QEMU_OPTION_hdachs:
3104 cyls = strtol(p, (char **)&p, 0);
3105 if (cyls < 1 || cyls > 16383)
3110 heads = strtol(p, (char **)&p, 0);
3111 if (heads < 1 || heads > 16)
3116 secs = strtol(p, (char **)&p, 0);
3117 if (secs < 1 || secs > 63)
3121 if (!strcmp(p, "none"))
3122 translation = BIOS_ATA_TRANSLATION_NONE;
3123 else if (!strcmp(p, "lba"))
3124 translation = BIOS_ATA_TRANSLATION_LBA;
3125 else if (!strcmp(p, "auto"))
3126 translation = BIOS_ATA_TRANSLATION_AUTO;
3129 } else if (*p != '\0') {
3131 fprintf(stderr, "qemu: invalid physical CHS format\n");
3134 if (hda_opts != NULL) {
3136 snprintf(num, sizeof(num), "%d", cyls);
3137 qemu_opt_set(hda_opts, "cyls", num);
3138 snprintf(num, sizeof(num), "%d", heads);
3139 qemu_opt_set(hda_opts, "heads", num);
3140 snprintf(num, sizeof(num), "%d", secs);
3141 qemu_opt_set(hda_opts, "secs", num);
3142 if (translation == BIOS_ATA_TRANSLATION_LBA)
3143 qemu_opt_set(hda_opts, "trans", "lba");
3144 if (translation == BIOS_ATA_TRANSLATION_NONE)
3145 qemu_opt_set(hda_opts, "trans", "none");
3149 case QEMU_OPTION_numa:
3152 case QEMU_OPTION_display:
3153 display_type = select_display(optarg);
3155 case QEMU_OPTION_nographic:
3156 display_type = DT_NOGRAPHIC;
3158 case QEMU_OPTION_curses:
3159 #ifdef CONFIG_CURSES
3160 display_type = DT_CURSES;
3162 fprintf(stderr, "Curses support is disabled\n");
3166 case QEMU_OPTION_portrait:
3167 graphic_rotate = 90;
3169 case QEMU_OPTION_rotate:
3170 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3171 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3172 graphic_rotate != 180 && graphic_rotate != 270) {
3174 "qemu: only 90, 180, 270 deg rotation is available\n");
3178 case QEMU_OPTION_kernel:
3179 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3181 case QEMU_OPTION_initrd:
3182 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3184 case QEMU_OPTION_append:
3185 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3187 case QEMU_OPTION_dtb:
3188 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3190 case QEMU_OPTION_cdrom:
3191 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3193 case QEMU_OPTION_boot:
3194 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3199 case QEMU_OPTION_fda:
3200 case QEMU_OPTION_fdb:
3201 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3204 case QEMU_OPTION_no_fd_bootchk:
3207 case QEMU_OPTION_netdev:
3208 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3212 case QEMU_OPTION_net:
3213 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3217 #ifdef CONFIG_LIBISCSI
3218 case QEMU_OPTION_iscsi:
3219 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3226 case QEMU_OPTION_tftp:
3227 legacy_tftp_prefix = optarg;
3229 case QEMU_OPTION_bootp:
3230 legacy_bootp_filename = optarg;
3232 case QEMU_OPTION_redir:
3233 if (net_slirp_redir(optarg) < 0)
3237 case QEMU_OPTION_bt:
3238 add_device_config(DEV_BT, optarg);
3240 case QEMU_OPTION_audio_help:
3244 case QEMU_OPTION_soundhw:
3245 select_soundhw (optarg);
3250 case QEMU_OPTION_version:
3254 case QEMU_OPTION_m: {
3259 value = strtosz(optarg, &end);
3260 if (value < 0 || *end) {
3261 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3264 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3266 if (ram_size != sz) {
3267 fprintf(stderr, "qemu: ram size too large\n");
3273 case QEMU_OPTION_tpmdev:
3274 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3279 case QEMU_OPTION_mempath:
3283 case QEMU_OPTION_mem_prealloc:
3294 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3296 case QEMU_OPTION_gdb:
3297 add_device_config(DEV_GDB, optarg);
3300 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3301 data_dir[data_dir_idx++] = optarg;
3304 case QEMU_OPTION_bios:
3307 case QEMU_OPTION_singlestep:
3314 keyboard_layout = optarg;
3316 case QEMU_OPTION_localtime:
3319 case QEMU_OPTION_vga:
3328 w = strtol(p, (char **)&p, 10);
3331 fprintf(stderr, "qemu: invalid resolution or depth\n");
3337 h = strtol(p, (char **)&p, 10);
3342 depth = strtol(p, (char **)&p, 10);
3343 if (depth != 8 && depth != 15 && depth != 16 &&
3344 depth != 24 && depth != 32)
3346 } else if (*p == '\0') {
3347 depth = graphic_depth;
3354 graphic_depth = depth;
3357 case QEMU_OPTION_echr:
3360 term_escape_char = strtol(optarg, &r, 0);
3362 printf("Bad argument to echr\n");
3365 case QEMU_OPTION_monitor:
3366 default_monitor = 0;
3367 if (strncmp(optarg, "none", 4)) {
3368 monitor_parse(optarg, "readline");
3371 case QEMU_OPTION_qmp:
3372 monitor_parse(optarg, "control");
3373 default_monitor = 0;
3375 case QEMU_OPTION_mon:
3376 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3380 default_monitor = 0;
3382 case QEMU_OPTION_chardev:
3383 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3388 case QEMU_OPTION_fsdev:
3389 olist = qemu_find_opts("fsdev");
3391 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3394 opts = qemu_opts_parse(olist, optarg, 1);
3399 case QEMU_OPTION_virtfs: {
3402 const char *writeout, *sock_fd, *socket;
3404 olist = qemu_find_opts("virtfs");
3406 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3409 opts = qemu_opts_parse(olist, optarg, 1);
3414 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3415 qemu_opt_get(opts, "mount_tag") == NULL) {
3416 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3419 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3420 qemu_opt_get(opts, "mount_tag"),
3423 fprintf(stderr, "duplicate fsdev id: %s\n",
3424 qemu_opt_get(opts, "mount_tag"));
3428 writeout = qemu_opt_get(opts, "writeout");
3430 #ifdef CONFIG_SYNC_FILE_RANGE
3431 qemu_opt_set(fsdev, "writeout", writeout);
3433 fprintf(stderr, "writeout=immediate not supported on "
3438 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3439 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3440 qemu_opt_set(fsdev, "security_model",
3441 qemu_opt_get(opts, "security_model"));
3442 socket = qemu_opt_get(opts, "socket");
3444 qemu_opt_set(fsdev, "socket", socket);
3446 sock_fd = qemu_opt_get(opts, "sock_fd");
3448 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3451 qemu_opt_set_bool(fsdev, "readonly",
3452 qemu_opt_get_bool(opts, "readonly", 0));
3453 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3454 qemu_opt_set(device, "driver", "virtio-9p-pci");
3455 qemu_opt_set(device, "fsdev",
3456 qemu_opt_get(opts, "mount_tag"));
3457 qemu_opt_set(device, "mount_tag",
3458 qemu_opt_get(opts, "mount_tag"));
3461 case QEMU_OPTION_virtfs_synth: {
3465 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3468 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3471 qemu_opt_set(fsdev, "fsdriver", "synth");
3473 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3474 qemu_opt_set(device, "driver", "virtio-9p-pci");
3475 qemu_opt_set(device, "fsdev", "v_synth");
3476 qemu_opt_set(device, "mount_tag", "v_synth");
3479 case QEMU_OPTION_serial:
3480 add_device_config(DEV_SERIAL, optarg);
3482 if (strncmp(optarg, "mon:", 4) == 0) {
3483 default_monitor = 0;
3486 case QEMU_OPTION_watchdog:
3489 "qemu: only one watchdog option may be given\n");
3494 case QEMU_OPTION_watchdog_action:
3495 if (select_watchdog_action(optarg) == -1) {
3496 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3500 case QEMU_OPTION_virtiocon:
3501 add_device_config(DEV_VIRTCON, optarg);
3502 default_virtcon = 0;
3503 if (strncmp(optarg, "mon:", 4) == 0) {
3504 default_monitor = 0;
3507 case QEMU_OPTION_parallel:
3508 add_device_config(DEV_PARALLEL, optarg);
3509 default_parallel = 0;
3510 if (strncmp(optarg, "mon:", 4) == 0) {
3511 default_monitor = 0;
3514 case QEMU_OPTION_debugcon:
3515 add_device_config(DEV_DEBUGCON, optarg);
3517 case QEMU_OPTION_loadvm:
3520 case QEMU_OPTION_full_screen:
3523 case QEMU_OPTION_no_frame:
3526 case QEMU_OPTION_alt_grab:
3529 case QEMU_OPTION_ctrl_grab:
3532 case QEMU_OPTION_no_quit:
3535 case QEMU_OPTION_sdl:
3537 display_type = DT_SDL;
3540 fprintf(stderr, "SDL support is disabled\n");
3543 case QEMU_OPTION_pidfile:
3546 case QEMU_OPTION_win2k_hack:
3547 win2k_install_hack = 1;
3549 case QEMU_OPTION_rtc_td_hack: {
3550 static GlobalProperty slew_lost_ticks[] = {
3552 .driver = "mc146818rtc",
3553 .property = "lost_tick_policy",
3556 { /* end of list */ }
3559 qdev_prop_register_global_list(slew_lost_ticks);
3562 case QEMU_OPTION_acpitable:
3563 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3564 g_assert(opts != NULL);
3565 do_acpitable_option(opts);
3567 case QEMU_OPTION_smbios:
3568 do_smbios_option(optarg);
3570 case QEMU_OPTION_enable_kvm:
3571 olist = qemu_find_opts("machine");
3572 qemu_opts_parse(olist, "accel=kvm", 0);
3574 case QEMU_OPTION_machine:
3575 olist = qemu_find_opts("machine");
3576 opts = qemu_opts_parse(olist, optarg, 1);
3580 optarg = qemu_opt_get(opts, "type");
3582 machine = machine_parse(optarg);
3585 case QEMU_OPTION_no_kvm:
3586 olist = qemu_find_opts("machine");
3587 qemu_opts_parse(olist, "accel=tcg", 0);
3589 case QEMU_OPTION_no_kvm_pit: {
3590 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3594 case QEMU_OPTION_no_kvm_pit_reinjection: {
3595 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3597 .driver = "kvm-pit",
3598 .property = "lost_tick_policy",
3601 { /* end of list */ }
3604 fprintf(stderr, "Warning: option deprecated, use "
3605 "lost_tick_policy property of kvm-pit instead.\n");
3606 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3609 case QEMU_OPTION_usb:
3610 olist = qemu_find_opts("machine");
3611 qemu_opts_parse(olist, "usb=on", 0);
3613 case QEMU_OPTION_usbdevice:
3614 olist = qemu_find_opts("machine");
3615 qemu_opts_parse(olist, "usb=on", 0);
3616 add_device_config(DEV_USB, optarg);
3618 case QEMU_OPTION_device:
3619 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3623 case QEMU_OPTION_smp:
3624 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3628 case QEMU_OPTION_vnc:
3631 vnc_display = optarg;
3633 fprintf(stderr, "VNC support is disabled\n");
3637 case QEMU_OPTION_no_acpi:
3640 case QEMU_OPTION_no_hpet:
3643 case QEMU_OPTION_balloon:
3644 if (balloon_parse(optarg) < 0) {
3645 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3649 case QEMU_OPTION_no_reboot:
3652 case QEMU_OPTION_no_shutdown:
3655 case QEMU_OPTION_show_cursor:
3658 case QEMU_OPTION_uuid:
3659 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3660 fprintf(stderr, "Fail to parse UUID string."
3661 " Wrong format.\n");
3665 case QEMU_OPTION_option_rom:
3666 if (nb_option_roms >= MAX_OPTION_ROMS) {
3667 fprintf(stderr, "Too many option ROMs\n");
3670 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3674 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3675 option_rom[nb_option_roms].bootindex =
3676 qemu_opt_get_number(opts, "bootindex", -1);
3677 if (!option_rom[nb_option_roms].name) {
3678 fprintf(stderr, "Option ROM file is not specified\n");
3683 case QEMU_OPTION_semihosting:
3684 semihosting_enabled = 1;
3686 case QEMU_OPTION_tdf:
3687 fprintf(stderr, "Warning: user space PIT time drift fix "
3688 "is no longer supported.\n");
3690 case QEMU_OPTION_name:
3691 qemu_name = g_strdup(optarg);
3693 char *p = strchr(qemu_name, ',');
3696 if (strncmp(p, "process=", 8)) {
3697 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3701 os_set_proc_name(p);
3705 case QEMU_OPTION_prom_env:
3706 if (nb_prom_envs >= MAX_PROM_ENVS) {
3707 fprintf(stderr, "Too many prom variables\n");
3710 prom_envs[nb_prom_envs] = optarg;
3713 case QEMU_OPTION_old_param:
3716 case QEMU_OPTION_clock:
3717 configure_alarms(optarg);
3719 case QEMU_OPTION_startdate:
3720 configure_rtc_date_offset(optarg, 1);
3722 case QEMU_OPTION_rtc:
3723 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3727 configure_rtc(opts);
3729 case QEMU_OPTION_tb_size:
3730 tcg_tb_size = strtol(optarg, NULL, 0);
3731 if (tcg_tb_size < 0) {
3735 case QEMU_OPTION_icount:
3736 icount_option = optarg;
3738 case QEMU_OPTION_incoming:
3740 runstate_set(RUN_STATE_INMIGRATE);
3742 case QEMU_OPTION_nodefaults:
3744 default_parallel = 0;
3745 default_virtcon = 0;
3747 default_monitor = 0;
3754 case QEMU_OPTION_xen_domid:
3755 if (!(xen_available())) {
3756 printf("Option %s not supported for this target\n", popt->name);
3759 xen_domid = atoi(optarg);
3761 case QEMU_OPTION_xen_create:
3762 if (!(xen_available())) {
3763 printf("Option %s not supported for this target\n", popt->name);
3766 xen_mode = XEN_CREATE;
3768 case QEMU_OPTION_xen_attach:
3769 if (!(xen_available())) {
3770 printf("Option %s not supported for this target\n", popt->name);
3773 xen_mode = XEN_ATTACH;
3775 case QEMU_OPTION_trace:
3777 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3781 trace_events = qemu_opt_get(opts, "events");
3782 trace_file = qemu_opt_get(opts, "file");
3785 case QEMU_OPTION_readconfig:
3787 int ret = qemu_read_config_file(optarg);
3789 fprintf(stderr, "read config %s: %s\n", optarg,
3795 case QEMU_OPTION_spice:
3796 olist = qemu_find_opts("spice");
3798 fprintf(stderr, "spice is not supported by this qemu build.\n");
3801 opts = qemu_opts_parse(olist, optarg, 0);
3807 case QEMU_OPTION_writeconfig:
3810 if (strcmp(optarg, "-") == 0) {
3813 fp = fopen(optarg, "w");
3815 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3819 qemu_config_write(fp);
3823 case QEMU_OPTION_qtest:
3824 qtest_chrdev = optarg;
3826 case QEMU_OPTION_qtest_log:
3829 case QEMU_OPTION_sandbox:
3830 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3835 case QEMU_OPTION_add_fd:
3837 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3842 error_report("File descriptor passing is disabled on this "
3847 case QEMU_OPTION_object:
3848 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3853 case QEMU_OPTION_realtime:
3854 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3858 configure_realtime(opts);
3860 case QEMU_OPTION_msg:
3861 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3865 configure_msg(opts);
3868 os_parse_cmd_args(popt->index, optarg);
3874 if (qemu_init_main_loop()) {
3875 fprintf(stderr, "qemu_init_main_loop failed\n");
3879 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3884 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3888 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3893 if (machine == NULL) {
3894 fprintf(stderr, "No machine found.\n");
3898 if (machine->hw_version) {
3899 qemu_set_version(machine->hw_version);
3902 if (qemu_opts_foreach(qemu_find_opts("object"),
3903 object_create, NULL, 0) != 0) {
3907 /* Init CPU def lists, based on config
3908 * - Must be called after all the qemu_read_config_file() calls
3909 * - Must be called before list_cpus()
3910 * - Must be called before machine->init()
3914 if (cpu_model && is_help_option(cpu_model)) {
3915 list_cpus(stdout, &fprintf, cpu_model);
3919 /* Open the logfile at this point, if necessary. We can't open the logfile
3920 * when encountering either of the logging options (-d or -D) because the
3921 * other one may be encountered later on the command line, changing the
3922 * location or level of logging.
3927 qemu_set_log_filename(log_file);
3930 mask = qemu_str_to_log_mask(log_mask);
3932 qemu_print_log_usage(stdout);
3938 if (!trace_backend_init(trace_events, trace_file)) {
3942 /* If no data_dir is specified then try to find it relative to the
3944 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3945 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3946 if (data_dir[data_dir_idx] != NULL) {
3950 /* If all else fails use the install path specified when building. */
3951 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3952 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3955 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3957 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3958 if (smp_cpus > machine->max_cpus) {
3959 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3960 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3966 * Get the default machine options from the machine if it is not already
3967 * specified either by the configuration file or by the command line.
3969 if (machine->default_machine_opts) {
3970 qemu_opts_set_defaults(qemu_find_opts("machine"),
3971 machine->default_machine_opts, 0);
3974 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3975 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3977 if (machine->no_serial) {
3980 if (machine->no_parallel) {
3981 default_parallel = 0;
3983 if (!machine->use_virtcon) {
3984 default_virtcon = 0;
3986 if (!machine->use_sclp) {
3989 if (machine->no_floppy) {
3992 if (machine->no_cdrom) {
3995 if (machine->no_sdcard) {
3999 if (is_daemonized()) {
4000 /* According to documentation and historically, -nographic redirects
4001 * serial port, parallel port and monitor to stdio, which does not work
4002 * with -daemonize. We can redirect these to null instead, but since
4003 * -nographic is legacy, let's just error out.
4004 * We disallow -nographic only if all other ports are not redirected
4005 * explicitly, to not break existing legacy setups which uses
4006 * -nographic _and_ redirects all ports explicitly - this is valid
4007 * usage, -nographic is just a no-op in this case.
4009 if (display_type == DT_NOGRAPHIC
4010 && (default_parallel || default_serial
4011 || default_monitor || default_virtcon)) {
4012 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4015 #ifdef CONFIG_CURSES
4016 if (display_type == DT_CURSES) {
4017 fprintf(stderr, "curses display can not be used with -daemonize\n");
4023 if (display_type == DT_NOGRAPHIC) {
4024 if (default_parallel)
4025 add_device_config(DEV_PARALLEL, "null");
4026 if (default_serial && default_monitor) {
4027 add_device_config(DEV_SERIAL, "mon:stdio");
4028 } else if (default_virtcon && default_monitor) {
4029 add_device_config(DEV_VIRTCON, "mon:stdio");
4030 } else if (default_sclp && default_monitor) {
4031 add_device_config(DEV_SCLP, "mon:stdio");
4034 add_device_config(DEV_SERIAL, "stdio");
4035 if (default_virtcon)
4036 add_device_config(DEV_VIRTCON, "stdio");
4038 add_device_config(DEV_SCLP, "stdio");
4040 if (default_monitor)
4041 monitor_parse("stdio", "readline");
4045 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4046 if (default_parallel)
4047 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4048 if (default_monitor)
4049 monitor_parse("vc:80Cx24C", "readline");
4050 if (default_virtcon)
4051 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4053 add_device_config(DEV_SCLP, "vc:80Cx24C");
4057 if (display_type == DT_DEFAULT && !display_remote) {
4058 #if defined(CONFIG_GTK)
4059 display_type = DT_GTK;
4060 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4061 display_type = DT_SDL;
4062 #elif defined(CONFIG_VNC)
4063 vnc_display = "localhost:0,to=99";
4066 display_type = DT_NONE;
4070 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4071 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4072 "for SDL, ignoring option\n");
4074 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4075 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4076 "ignoring option\n");
4079 #if defined(CONFIG_GTK)
4080 if (display_type == DT_GTK) {
4081 early_gtk_display_init();
4087 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4089 #ifdef CONFIG_VIRTFS
4090 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4097 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4102 /* init the memory */
4103 if (ram_size == 0) {
4104 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4107 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4112 configure_accelerator();
4114 if (!qtest_enabled() && qtest_chrdev) {
4118 machine_opts = qemu_get_machine_opts();
4119 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4120 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4121 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4124 boot_order = machine->boot_order;
4126 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4128 char *normal_boot_order;
4129 const char *order, *once;
4131 order = qemu_opt_get(opts, "order");
4133 validate_bootdevices(order);
4137 once = qemu_opt_get(opts, "once");
4139 validate_bootdevices(once);
4140 normal_boot_order = g_strdup(boot_order);
4142 qemu_register_reset(restore_boot_order, normal_boot_order);
4145 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4148 if (!kernel_cmdline) {
4149 kernel_cmdline = "";
4152 linux_boot = (kernel_filename != NULL);
4154 if (!linux_boot && *kernel_cmdline != '\0') {
4155 fprintf(stderr, "-append only allowed with -kernel option\n");
4159 if (!linux_boot && initrd_filename != NULL) {
4160 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4164 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4165 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4169 os_set_line_buffering();
4171 qemu_init_cpu_loop();
4172 qemu_mutex_lock_iothread();
4175 /* spice needs the timers to be initialized by this point */
4179 if (icount_option && (kvm_enabled() || xen_enabled())) {
4180 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4183 configure_icount(icount_option);
4185 /* clean up network at qemu process termination */
4186 atexit(&net_cleanup);
4188 if (net_init_clients() < 0) {
4193 if (tpm_init() < 0) {
4198 /* init the bluetooth world */
4199 if (foreach_device_config(DEV_BT, bt_parse))
4202 if (!xen_enabled()) {
4203 /* On 32-bit hosts, QEMU is limited by virtual address space */
4204 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4205 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4210 cpu_exec_init_all();
4214 /* open the virtual block devices */
4216 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4217 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4218 &machine->block_default_type, 1) != 0) {
4222 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4224 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4225 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4227 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4229 if (nb_numa_nodes > 0) {
4232 if (nb_numa_nodes > MAX_NODES) {
4233 nb_numa_nodes = MAX_NODES;
4236 /* If no memory size if given for any node, assume the default case
4237 * and distribute the available memory equally across all nodes
4239 for (i = 0; i < nb_numa_nodes; i++) {
4240 if (node_mem[i] != 0)
4243 if (i == nb_numa_nodes) {
4244 uint64_t usedmem = 0;
4246 /* On Linux, the each node's border has to be 8MB aligned,
4247 * the final node gets the rest.
4249 for (i = 0; i < nb_numa_nodes - 1; i++) {
4250 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4251 usedmem += node_mem[i];
4253 node_mem[i] = ram_size - usedmem;
4256 for (i = 0; i < nb_numa_nodes; i++) {
4257 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4261 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4262 * must cope with this anyway, because there are BIOSes out there in
4263 * real machines which also use this scheme.
4265 if (i == nb_numa_nodes) {
4266 for (i = 0; i < max_cpus; i++) {
4267 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4272 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4276 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4278 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4280 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4282 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4285 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4288 /* If no default VGA is requested, the default is "none". */
4290 if (cirrus_vga_available()) {
4291 vga_model = "cirrus";
4292 } else if (vga_available()) {
4296 select_vgahw(vga_model);
4299 i = select_watchdog(watchdog);
4301 exit (i == 1 ? 1 : 0);
4304 if (machine->compat_props) {
4305 qdev_prop_register_global_list(machine->compat_props);
4309 qdev_machine_init();
4311 QEMUMachineInitArgs args = { .ram_size = ram_size,
4312 .boot_device = boot_order,
4313 .kernel_filename = kernel_filename,
4314 .kernel_cmdline = kernel_cmdline,
4315 .initrd_filename = initrd_filename,
4316 .cpu_model = cpu_model };
4317 machine->init(&args);
4321 cpu_synchronize_all_post_init();
4325 current_machine = machine;
4327 /* init USB devices */
4328 if (usb_enabled(false)) {
4329 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4333 /* init generic devices */
4334 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4337 net_check_clients();
4339 ds = init_displaystate();
4341 /* init local displays */
4342 switch (display_type) {
4345 #if defined(CONFIG_CURSES)
4347 curses_display_init(ds, full_screen);
4350 #if defined(CONFIG_SDL)
4352 sdl_display_init(ds, full_screen, no_frame);
4354 #elif defined(CONFIG_COCOA)
4356 cocoa_display_init(ds, full_screen);
4359 #if defined(CONFIG_GTK)
4361 gtk_display_init(ds, full_screen);
4368 /* must be after terminal init, SDL library changes signal handlers */
4369 os_setup_signal_handling();
4372 /* init remote displays */
4374 Error *local_err = NULL;
4375 vnc_display_init(ds);
4376 vnc_display_open(ds, vnc_display, &local_err);
4377 if (local_err != NULL) {
4378 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4379 vnc_display, error_get_pretty(local_err));
4380 error_free(local_err);
4384 if (show_vnc_port) {
4385 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4390 if (using_spice && !spice_displays) {
4391 qemu_spice_display_init(ds);
4395 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4399 qdev_machine_creation_done();
4401 if (rom_load_all() != 0) {
4402 fprintf(stderr, "rom loading failed\n");
4406 /* TODO: once all bus devices are qdevified, this should be done
4407 * when bus is created by qdev.c */
4408 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4409 qemu_run_machine_init_done_notifiers();
4411 qemu_system_reset(VMRESET_SILENT);
4413 if (load_vmstate(loadvm) < 0) {
4419 Error *local_err = NULL;
4420 qemu_start_incoming_migration(incoming, &local_err);
4422 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4423 error_free(local_err);
4426 } else if (autostart) {