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 WakeupReason wakeup_reason;
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 = ~(1 << QEMU_WAKEUP_REASON_NONE);
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 WakeupReason qemu_wakeup_requested(void)
1854 return wakeup_reason;
1857 static int qemu_powerdown_requested(void)
1859 int r = powerdown_requested;
1860 powerdown_requested = 0;
1864 static int qemu_debug_requested(void)
1866 int r = debug_requested;
1867 debug_requested = 0;
1871 /* We use RUN_STATE_MAX but any invalid value will do */
1872 static bool qemu_vmstop_requested(RunState *r)
1874 if (vmstop_requested < RUN_STATE_MAX) {
1875 *r = vmstop_requested;
1876 vmstop_requested = RUN_STATE_MAX;
1883 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1885 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1888 re->opaque = opaque;
1889 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1892 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1896 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1897 if (re->func == func && re->opaque == opaque) {
1898 QTAILQ_REMOVE(&reset_handlers, re, entry);
1905 void qemu_devices_reset(void)
1907 QEMUResetEntry *re, *nre;
1909 /* reset all devices */
1910 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1911 re->func(re->opaque);
1915 void qemu_system_reset(bool report)
1917 if (current_machine && current_machine->reset) {
1918 current_machine->reset();
1920 qemu_devices_reset();
1923 monitor_protocol_event(QEVENT_RESET, NULL);
1925 cpu_synchronize_all_post_reset();
1928 void qemu_system_reset_request(void)
1931 shutdown_requested = 1;
1933 reset_requested = 1;
1936 qemu_notify_event();
1939 static void qemu_system_suspend(void)
1942 notifier_list_notify(&suspend_notifiers, NULL);
1943 runstate_set(RUN_STATE_SUSPENDED);
1944 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1947 void qemu_system_suspend_request(void)
1949 if (runstate_check(RUN_STATE_SUSPENDED)) {
1952 suspend_requested = 1;
1954 qemu_notify_event();
1957 void qemu_register_suspend_notifier(Notifier *notifier)
1959 notifier_list_add(&suspend_notifiers, notifier);
1962 void qemu_system_wakeup_request(WakeupReason reason)
1964 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1967 if (!(wakeup_reason_mask & (1 << reason))) {
1970 runstate_set(RUN_STATE_RUNNING);
1971 wakeup_reason = reason;
1972 qemu_notify_event();
1975 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1978 wakeup_reason_mask |= (1 << reason);
1980 wakeup_reason_mask &= ~(1 << reason);
1984 void qemu_register_wakeup_notifier(Notifier *notifier)
1986 notifier_list_add(&wakeup_notifiers, notifier);
1989 void qemu_system_killed(int signal, pid_t pid)
1991 shutdown_signal = signal;
1994 qemu_system_shutdown_request();
1997 void qemu_system_shutdown_request(void)
1999 shutdown_requested = 1;
2000 qemu_notify_event();
2003 static void qemu_system_powerdown(void)
2005 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
2006 notifier_list_notify(&powerdown_notifiers, NULL);
2009 void qemu_system_powerdown_request(void)
2011 powerdown_requested = 1;
2012 qemu_notify_event();
2015 void qemu_register_powerdown_notifier(Notifier *notifier)
2017 notifier_list_add(&powerdown_notifiers, notifier);
2020 void qemu_system_debug_request(void)
2022 debug_requested = 1;
2023 qemu_notify_event();
2026 void qemu_system_vmstop_request(RunState state)
2028 vmstop_requested = state;
2029 qemu_notify_event();
2032 static bool main_loop_should_exit(void)
2035 if (qemu_debug_requested()) {
2036 vm_stop(RUN_STATE_DEBUG);
2038 if (qemu_suspend_requested()) {
2039 qemu_system_suspend();
2041 if (qemu_shutdown_requested()) {
2043 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2045 vm_stop(RUN_STATE_SHUTDOWN);
2050 if (qemu_reset_requested()) {
2052 cpu_synchronize_all_states();
2053 qemu_system_reset(VMRESET_REPORT);
2055 if (runstate_needs_reset()) {
2056 runstate_set(RUN_STATE_PAUSED);
2059 if (qemu_wakeup_requested()) {
2061 cpu_synchronize_all_states();
2062 qemu_system_reset(VMRESET_SILENT);
2063 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2064 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2066 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2068 if (qemu_powerdown_requested()) {
2069 qemu_system_powerdown();
2071 if (qemu_vmstop_requested(&r)) {
2077 static void main_loop(void)
2081 #ifdef CONFIG_PROFILER
2085 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2086 #ifdef CONFIG_PROFILER
2087 ti = profile_getclock();
2089 last_io = main_loop_wait(nonblocking);
2090 #ifdef CONFIG_PROFILER
2091 dev_time += profile_getclock() - ti;
2093 } while (!main_loop_should_exit());
2096 static void version(void)
2098 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2101 static void help(int exitcode)
2104 printf("usage: %s [options] [disk_image]\n\n"
2105 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2106 error_get_progname());
2108 #define QEMU_OPTIONS_GENERATE_HELP
2109 #include "qemu-options-wrapper.h"
2111 printf("\nDuring emulation, the following keys are useful:\n"
2112 "ctrl-alt-f toggle full screen\n"
2113 "ctrl-alt-n switch to virtual console 'n'\n"
2114 "ctrl-alt toggle mouse and keyboard grab\n"
2116 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2121 #define HAS_ARG 0x0001
2123 typedef struct QEMUOption {
2130 static const QEMUOption qemu_options[] = {
2131 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2132 #define QEMU_OPTIONS_GENERATE_OPTIONS
2133 #include "qemu-options-wrapper.h"
2137 static bool vga_available(void)
2139 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2142 static bool cirrus_vga_available(void)
2144 return object_class_by_name("cirrus-vga")
2145 || object_class_by_name("isa-cirrus-vga");
2148 static bool vmware_vga_available(void)
2150 return object_class_by_name("vmware-svga");
2153 static bool qxl_vga_available(void)
2155 return object_class_by_name("qxl-vga");
2158 static void select_vgahw (const char *p)
2162 vga_interface_type = VGA_NONE;
2163 if (strstart(p, "std", &opts)) {
2164 if (vga_available()) {
2165 vga_interface_type = VGA_STD;
2167 fprintf(stderr, "Error: standard VGA not available\n");
2170 } else if (strstart(p, "cirrus", &opts)) {
2171 if (cirrus_vga_available()) {
2172 vga_interface_type = VGA_CIRRUS;
2174 fprintf(stderr, "Error: Cirrus VGA not available\n");
2177 } else if (strstart(p, "vmware", &opts)) {
2178 if (vmware_vga_available()) {
2179 vga_interface_type = VGA_VMWARE;
2181 fprintf(stderr, "Error: VMWare SVGA not available\n");
2184 } else if (strstart(p, "xenfb", &opts)) {
2185 vga_interface_type = VGA_XENFB;
2186 } else if (strstart(p, "qxl", &opts)) {
2187 if (qxl_vga_available()) {
2188 vga_interface_type = VGA_QXL;
2190 fprintf(stderr, "Error: QXL VGA not available\n");
2193 } else if (!strstart(p, "none", &opts)) {
2195 fprintf(stderr, "Unknown vga type: %s\n", p);
2199 const char *nextopt;
2201 if (strstart(opts, ",retrace=", &nextopt)) {
2203 if (strstart(opts, "dumb", &nextopt))
2204 vga_retrace_method = VGA_RETRACE_DUMB;
2205 else if (strstart(opts, "precise", &nextopt))
2206 vga_retrace_method = VGA_RETRACE_PRECISE;
2207 else goto invalid_vga;
2208 } else goto invalid_vga;
2213 static DisplayType select_display(const char *p)
2216 DisplayType display = DT_DEFAULT;
2218 if (strstart(p, "sdl", &opts)) {
2222 const char *nextopt;
2224 if (strstart(opts, ",frame=", &nextopt)) {
2226 if (strstart(opts, "on", &nextopt)) {
2228 } else if (strstart(opts, "off", &nextopt)) {
2231 goto invalid_sdl_args;
2233 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2235 if (strstart(opts, "on", &nextopt)) {
2237 } else if (strstart(opts, "off", &nextopt)) {
2240 goto invalid_sdl_args;
2242 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2244 if (strstart(opts, "on", &nextopt)) {
2246 } else if (strstart(opts, "off", &nextopt)) {
2249 goto invalid_sdl_args;
2251 } else if (strstart(opts, ",window_close=", &nextopt)) {
2253 if (strstart(opts, "on", &nextopt)) {
2255 } else if (strstart(opts, "off", &nextopt)) {
2258 goto invalid_sdl_args;
2262 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2268 fprintf(stderr, "SDL support is disabled\n");
2271 } else if (strstart(p, "vnc", &opts)) {
2276 const char *nextopt;
2278 if (strstart(opts, "=", &nextopt)) {
2279 vnc_display = nextopt;
2283 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2287 fprintf(stderr, "VNC support is disabled\n");
2290 } else if (strstart(p, "curses", &opts)) {
2291 #ifdef CONFIG_CURSES
2292 display = DT_CURSES;
2294 fprintf(stderr, "Curses support is disabled\n");
2297 } else if (strstart(p, "gtk", &opts)) {
2301 fprintf(stderr, "GTK support is disabled\n");
2304 } else if (strstart(p, "none", &opts)) {
2307 fprintf(stderr, "Unknown display type: %s\n", p);
2314 static int balloon_parse(const char *arg)
2318 if (strcmp(arg, "none") == 0) {
2322 if (!strncmp(arg, "virtio", 6)) {
2323 if (arg[6] == ',') {
2324 /* have params -> parse them */
2325 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2329 /* create empty opts */
2330 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2332 qemu_opt_set(opts, "driver", "virtio-balloon");
2339 char *qemu_find_file(int type, const char *name)
2345 /* Try the name as a straight path first */
2346 if (access(name, R_OK) == 0) {
2347 trace_load_file(name, name);
2348 return g_strdup(name);
2352 case QEMU_FILE_TYPE_BIOS:
2355 case QEMU_FILE_TYPE_KEYMAP:
2356 subdir = "keymaps/";
2362 for (i = 0; i < data_dir_idx; i++) {
2363 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2364 if (access(buf, R_OK) == 0) {
2365 trace_load_file(name, buf);
2373 static int device_help_func(QemuOpts *opts, void *opaque)
2375 return qdev_device_help(opts);
2378 static int device_init_func(QemuOpts *opts, void *opaque)
2382 dev = qdev_device_add(opts);
2385 object_unref(OBJECT(dev));
2389 static int chardev_init_func(QemuOpts *opts, void *opaque)
2391 Error *local_err = NULL;
2393 qemu_chr_new_from_opts(opts, NULL, &local_err);
2394 if (error_is_set(&local_err)) {
2395 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2396 error_free(local_err);
2402 #ifdef CONFIG_VIRTFS
2403 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2406 ret = qemu_fsdev_add(opts);
2412 static int mon_init_func(QemuOpts *opts, void *opaque)
2414 CharDriverState *chr;
2415 const char *chardev;
2419 mode = qemu_opt_get(opts, "mode");
2423 if (strcmp(mode, "readline") == 0) {
2424 flags = MONITOR_USE_READLINE;
2425 } else if (strcmp(mode, "control") == 0) {
2426 flags = MONITOR_USE_CONTROL;
2428 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2432 if (qemu_opt_get_bool(opts, "pretty", 0))
2433 flags |= MONITOR_USE_PRETTY;
2435 if (qemu_opt_get_bool(opts, "default", 0))
2436 flags |= MONITOR_IS_DEFAULT;
2438 chardev = qemu_opt_get(opts, "chardev");
2439 chr = qemu_chr_find(chardev);
2441 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2445 qemu_chr_fe_claim_no_fail(chr);
2446 monitor_init(chr, flags);
2450 static void monitor_parse(const char *optarg, const char *mode)
2452 static int monitor_device_index = 0;
2458 if (strstart(optarg, "chardev:", &p)) {
2459 snprintf(label, sizeof(label), "%s", p);
2461 snprintf(label, sizeof(label), "compat_monitor%d",
2462 monitor_device_index);
2463 if (monitor_device_index == 0) {
2466 opts = qemu_chr_parse_compat(label, optarg);
2468 fprintf(stderr, "parse error: %s\n", optarg);
2473 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2475 fprintf(stderr, "duplicate chardev: %s\n", label);
2478 qemu_opt_set(opts, "mode", mode);
2479 qemu_opt_set(opts, "chardev", label);
2481 qemu_opt_set(opts, "default", "on");
2482 monitor_device_index++;
2485 struct device_config {
2487 DEV_USB, /* -usbdevice */
2489 DEV_SERIAL, /* -serial */
2490 DEV_PARALLEL, /* -parallel */
2491 DEV_VIRTCON, /* -virtioconsole */
2492 DEV_DEBUGCON, /* -debugcon */
2493 DEV_GDB, /* -gdb, -s */
2494 DEV_SCLP, /* s390 sclp */
2496 const char *cmdline;
2498 QTAILQ_ENTRY(device_config) next;
2501 static QTAILQ_HEAD(, device_config) device_configs =
2502 QTAILQ_HEAD_INITIALIZER(device_configs);
2504 static void add_device_config(int type, const char *cmdline)
2506 struct device_config *conf;
2508 conf = g_malloc0(sizeof(*conf));
2510 conf->cmdline = cmdline;
2511 loc_save(&conf->loc);
2512 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2515 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2517 struct device_config *conf;
2520 QTAILQ_FOREACH(conf, &device_configs, next) {
2521 if (conf->type != type)
2523 loc_push_restore(&conf->loc);
2524 rc = func(conf->cmdline);
2525 loc_pop(&conf->loc);
2532 static int serial_parse(const char *devname)
2534 static int index = 0;
2537 if (strcmp(devname, "none") == 0)
2539 if (index == MAX_SERIAL_PORTS) {
2540 fprintf(stderr, "qemu: too many serial ports\n");
2543 snprintf(label, sizeof(label), "serial%d", index);
2544 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2545 if (!serial_hds[index]) {
2546 fprintf(stderr, "qemu: could not connect serial device"
2547 " to character backend '%s'\n", devname);
2554 static int parallel_parse(const char *devname)
2556 static int index = 0;
2559 if (strcmp(devname, "none") == 0)
2561 if (index == MAX_PARALLEL_PORTS) {
2562 fprintf(stderr, "qemu: too many parallel ports\n");
2565 snprintf(label, sizeof(label), "parallel%d", index);
2566 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!parallel_hds[index]) {
2568 fprintf(stderr, "qemu: could not connect parallel device"
2569 " to character backend '%s'\n", devname);
2576 static int virtcon_parse(const char *devname)
2578 QemuOptsList *device = qemu_find_opts("device");
2579 static int index = 0;
2581 QemuOpts *bus_opts, *dev_opts;
2583 if (strcmp(devname, "none") == 0)
2585 if (index == MAX_VIRTIO_CONSOLES) {
2586 fprintf(stderr, "qemu: too many virtio consoles\n");
2590 bus_opts = qemu_opts_create_nofail(device);
2591 if (arch_type == QEMU_ARCH_S390X) {
2592 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2594 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2597 dev_opts = qemu_opts_create_nofail(device);
2598 qemu_opt_set(dev_opts, "driver", "virtconsole");
2600 snprintf(label, sizeof(label), "virtcon%d", index);
2601 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2602 if (!virtcon_hds[index]) {
2603 fprintf(stderr, "qemu: could not connect virtio console"
2604 " to character backend '%s'\n", devname);
2607 qemu_opt_set(dev_opts, "chardev", label);
2613 static int sclp_parse(const char *devname)
2615 QemuOptsList *device = qemu_find_opts("device");
2616 static int index = 0;
2620 if (strcmp(devname, "none") == 0) {
2623 if (index == MAX_SCLP_CONSOLES) {
2624 fprintf(stderr, "qemu: too many sclp consoles\n");
2628 assert(arch_type == QEMU_ARCH_S390X);
2630 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2631 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2633 snprintf(label, sizeof(label), "sclpcon%d", index);
2634 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2635 if (!sclp_hds[index]) {
2636 fprintf(stderr, "qemu: could not connect sclp console"
2637 " to character backend '%s'\n", devname);
2640 qemu_opt_set(dev_opts, "chardev", label);
2646 static int debugcon_parse(const char *devname)
2650 if (!qemu_chr_new("debugcon", devname, NULL)) {
2653 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2655 fprintf(stderr, "qemu: already have a debugcon device\n");
2658 qemu_opt_set(opts, "driver", "isa-debugcon");
2659 qemu_opt_set(opts, "chardev", "debugcon");
2663 static QEMUMachine *machine_parse(const char *name)
2665 QEMUMachine *m, *machine = NULL;
2668 machine = find_machine(name);
2673 printf("Supported machines are:\n");
2674 for (m = first_machine; m != NULL; m = m->next) {
2676 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2678 printf("%-20s %s%s\n", m->name, m->desc,
2679 m->is_default ? " (default)" : "");
2681 exit(!name || !is_help_option(name));
2684 static int tcg_init(void)
2686 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2691 const char *opt_name;
2693 int (*available)(void);
2697 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2698 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2699 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2700 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2703 static int configure_accelerator(void)
2708 bool accel_initialised = false;
2709 bool init_failed = false;
2711 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2713 /* Use the default "accelerator", tcg */
2717 while (!accel_initialised && *p != '\0') {
2721 p = get_opt_name(buf, sizeof (buf), p, ':');
2722 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2723 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2724 if (!accel_list[i].available()) {
2725 printf("%s not supported for this target\n",
2726 accel_list[i].name);
2729 *(accel_list[i].allowed) = true;
2730 ret = accel_list[i].init();
2733 fprintf(stderr, "failed to initialize %s: %s\n",
2736 *(accel_list[i].allowed) = false;
2738 accel_initialised = true;
2743 if (i == ARRAY_SIZE(accel_list)) {
2744 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2748 if (!accel_initialised) {
2750 fprintf(stderr, "No accelerator found!\n");
2756 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2759 return !accel_initialised;
2762 void qemu_add_exit_notifier(Notifier *notify)
2764 notifier_list_add(&exit_notifiers, notify);
2767 void qemu_remove_exit_notifier(Notifier *notify)
2769 notifier_remove(notify);
2772 static void qemu_run_exit_notifiers(void)
2774 notifier_list_notify(&exit_notifiers, NULL);
2777 void qemu_add_machine_init_done_notifier(Notifier *notify)
2779 notifier_list_add(&machine_init_done_notifiers, notify);
2782 static void qemu_run_machine_init_done_notifiers(void)
2784 notifier_list_notify(&machine_init_done_notifiers, NULL);
2787 static const QEMUOption *lookup_opt(int argc, char **argv,
2788 const char **poptarg, int *poptind)
2790 const QEMUOption *popt;
2791 int optind = *poptind;
2792 char *r = argv[optind];
2795 loc_set_cmdline(argv, optind, 1);
2797 /* Treat --foo the same as -foo. */
2800 popt = qemu_options;
2803 error_report("invalid option");
2806 if (!strcmp(popt->name, r + 1))
2810 if (popt->flags & HAS_ARG) {
2811 if (optind >= argc) {
2812 error_report("requires an argument");
2815 optarg = argv[optind++];
2816 loc_set_cmdline(argv, optind - 2, 2);
2827 static gpointer malloc_and_trace(gsize n_bytes)
2829 void *ptr = malloc(n_bytes);
2830 trace_g_malloc(n_bytes, ptr);
2834 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2836 void *ptr = realloc(mem, n_bytes);
2837 trace_g_realloc(mem, n_bytes, ptr);
2841 static void free_and_trace(gpointer mem)
2847 static int object_set_property(const char *name, const char *value, void *opaque)
2849 Object *obj = OBJECT(opaque);
2850 StringInputVisitor *siv;
2851 Error *local_err = NULL;
2853 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2857 siv = string_input_visitor_new(value);
2858 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2859 string_input_visitor_cleanup(siv);
2862 qerror_report_err(local_err);
2863 error_free(local_err);
2870 static int object_create(QemuOpts *opts, void *opaque)
2872 const char *type = qemu_opt_get(opts, "qom-type");
2873 const char *id = qemu_opts_id(opts);
2876 g_assert(type != NULL);
2879 qerror_report(QERR_MISSING_PARAMETER, "id");
2883 obj = object_new(type);
2884 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2888 object_property_add_child(container_get(object_get_root(), "/objects"),
2894 int main(int argc, char **argv, char **envp)
2897 int snapshot, linux_boot;
2898 const char *icount_option = NULL;
2899 const char *initrd_filename;
2900 const char *kernel_filename, *kernel_cmdline;
2901 const char *boot_order = NULL;
2903 int cyls, heads, secs, translation;
2904 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2905 QemuOptsList *olist;
2908 const char *loadvm = NULL;
2909 QEMUMachine *machine;
2910 const char *cpu_model;
2911 const char *vga_model = "none";
2912 const char *pid_file = NULL;
2913 const char *incoming = NULL;
2915 int show_vnc_port = 0;
2917 bool defconfig = true;
2918 bool userconfig = true;
2919 const char *log_mask = NULL;
2920 const char *log_file = NULL;
2921 GMemVTable mem_trace = {
2922 .malloc = malloc_and_trace,
2923 .realloc = realloc_and_trace,
2924 .free = free_and_trace,
2926 const char *trace_events = NULL;
2927 const char *trace_file = NULL;
2929 atexit(qemu_run_exit_notifiers);
2930 error_set_progname(argv[0]);
2932 g_mem_set_vtable(&mem_trace);
2933 if (!g_thread_supported()) {
2934 #if !GLIB_CHECK_VERSION(2, 31, 0)
2935 g_thread_init(NULL);
2937 fprintf(stderr, "glib threading failed to initialize.\n");
2942 module_call_init(MODULE_INIT_QOM);
2944 qemu_add_opts(&qemu_drive_opts);
2945 qemu_add_opts(&qemu_chardev_opts);
2946 qemu_add_opts(&qemu_device_opts);
2947 qemu_add_opts(&qemu_netdev_opts);
2948 qemu_add_opts(&qemu_net_opts);
2949 qemu_add_opts(&qemu_rtc_opts);
2950 qemu_add_opts(&qemu_global_opts);
2951 qemu_add_opts(&qemu_mon_opts);
2952 qemu_add_opts(&qemu_trace_opts);
2953 qemu_add_opts(&qemu_option_rom_opts);
2954 qemu_add_opts(&qemu_machine_opts);
2955 qemu_add_opts(&qemu_smp_opts);
2956 qemu_add_opts(&qemu_boot_opts);
2957 qemu_add_opts(&qemu_sandbox_opts);
2958 qemu_add_opts(&qemu_add_fd_opts);
2959 qemu_add_opts(&qemu_object_opts);
2960 qemu_add_opts(&qemu_tpmdev_opts);
2961 qemu_add_opts(&qemu_realtime_opts);
2962 qemu_add_opts(&qemu_msg_opts);
2967 rtc_clock = host_clock;
2969 qemu_cache_utils_init(envp);
2971 QLIST_INIT (&vm_change_state_head);
2972 os_setup_early_signal_handling();
2974 module_call_init(MODULE_INIT_MACHINE);
2975 machine = find_default_machine();
2979 cyls = heads = secs = 0;
2980 translation = BIOS_ATA_TRANSLATION_AUTO;
2982 for (i = 0; i < MAX_NODES; i++) {
2984 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2990 bdrv_init_with_whitelist();
2994 /* first pass of option parsing */
2996 while (optind < argc) {
2997 if (argv[optind][0] != '-') {
3002 const QEMUOption *popt;
3004 popt = lookup_opt(argc, argv, &optarg, &optind);
3005 switch (popt->index) {
3006 case QEMU_OPTION_nodefconfig:
3009 case QEMU_OPTION_nouserconfig:
3018 ret = qemu_read_default_config_files(userconfig);
3024 /* second pass of option parsing */
3029 if (argv[optind][0] != '-') {
3030 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3032 const QEMUOption *popt;
3034 popt = lookup_opt(argc, argv, &optarg, &optind);
3035 if (!(popt->arch_mask & arch_type)) {
3036 printf("Option %s not supported for this target\n", popt->name);
3039 switch(popt->index) {
3041 machine = machine_parse(optarg);
3043 case QEMU_OPTION_no_kvm_irqchip: {
3044 olist = qemu_find_opts("machine");
3045 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3048 case QEMU_OPTION_cpu:
3049 /* hw initialization will check this */
3052 case QEMU_OPTION_hda:
3056 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3058 snprintf(buf, sizeof(buf),
3059 "%s,cyls=%d,heads=%d,secs=%d%s",
3060 HD_OPTS , cyls, heads, secs,
3061 translation == BIOS_ATA_TRANSLATION_LBA ?
3063 translation == BIOS_ATA_TRANSLATION_NONE ?
3064 ",trans=none" : "");
3065 drive_add(IF_DEFAULT, 0, optarg, buf);
3068 case QEMU_OPTION_hdb:
3069 case QEMU_OPTION_hdc:
3070 case QEMU_OPTION_hdd:
3071 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3074 case QEMU_OPTION_drive:
3075 if (drive_def(optarg) == NULL) {
3079 case QEMU_OPTION_set:
3080 if (qemu_set_option(optarg) != 0)
3083 case QEMU_OPTION_global:
3084 if (qemu_global_option(optarg) != 0)
3087 case QEMU_OPTION_mtdblock:
3088 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3090 case QEMU_OPTION_sd:
3091 drive_add(IF_SD, -1, optarg, SD_OPTS);
3093 case QEMU_OPTION_pflash:
3094 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3096 case QEMU_OPTION_snapshot:
3099 case QEMU_OPTION_hdachs:
3103 cyls = strtol(p, (char **)&p, 0);
3104 if (cyls < 1 || cyls > 16383)
3109 heads = strtol(p, (char **)&p, 0);
3110 if (heads < 1 || heads > 16)
3115 secs = strtol(p, (char **)&p, 0);
3116 if (secs < 1 || secs > 63)
3120 if (!strcmp(p, "none"))
3121 translation = BIOS_ATA_TRANSLATION_NONE;
3122 else if (!strcmp(p, "lba"))
3123 translation = BIOS_ATA_TRANSLATION_LBA;
3124 else if (!strcmp(p, "auto"))
3125 translation = BIOS_ATA_TRANSLATION_AUTO;
3128 } else if (*p != '\0') {
3130 fprintf(stderr, "qemu: invalid physical CHS format\n");
3133 if (hda_opts != NULL) {
3135 snprintf(num, sizeof(num), "%d", cyls);
3136 qemu_opt_set(hda_opts, "cyls", num);
3137 snprintf(num, sizeof(num), "%d", heads);
3138 qemu_opt_set(hda_opts, "heads", num);
3139 snprintf(num, sizeof(num), "%d", secs);
3140 qemu_opt_set(hda_opts, "secs", num);
3141 if (translation == BIOS_ATA_TRANSLATION_LBA)
3142 qemu_opt_set(hda_opts, "trans", "lba");
3143 if (translation == BIOS_ATA_TRANSLATION_NONE)
3144 qemu_opt_set(hda_opts, "trans", "none");
3148 case QEMU_OPTION_numa:
3151 case QEMU_OPTION_display:
3152 display_type = select_display(optarg);
3154 case QEMU_OPTION_nographic:
3155 display_type = DT_NOGRAPHIC;
3157 case QEMU_OPTION_curses:
3158 #ifdef CONFIG_CURSES
3159 display_type = DT_CURSES;
3161 fprintf(stderr, "Curses support is disabled\n");
3165 case QEMU_OPTION_portrait:
3166 graphic_rotate = 90;
3168 case QEMU_OPTION_rotate:
3169 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3170 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3171 graphic_rotate != 180 && graphic_rotate != 270) {
3173 "qemu: only 90, 180, 270 deg rotation is available\n");
3177 case QEMU_OPTION_kernel:
3178 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3180 case QEMU_OPTION_initrd:
3181 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3183 case QEMU_OPTION_append:
3184 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3186 case QEMU_OPTION_dtb:
3187 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3189 case QEMU_OPTION_cdrom:
3190 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3192 case QEMU_OPTION_boot:
3193 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3198 case QEMU_OPTION_fda:
3199 case QEMU_OPTION_fdb:
3200 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3203 case QEMU_OPTION_no_fd_bootchk:
3206 case QEMU_OPTION_netdev:
3207 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3211 case QEMU_OPTION_net:
3212 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3216 #ifdef CONFIG_LIBISCSI
3217 case QEMU_OPTION_iscsi:
3218 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3225 case QEMU_OPTION_tftp:
3226 legacy_tftp_prefix = optarg;
3228 case QEMU_OPTION_bootp:
3229 legacy_bootp_filename = optarg;
3231 case QEMU_OPTION_redir:
3232 if (net_slirp_redir(optarg) < 0)
3236 case QEMU_OPTION_bt:
3237 add_device_config(DEV_BT, optarg);
3239 case QEMU_OPTION_audio_help:
3243 case QEMU_OPTION_soundhw:
3244 select_soundhw (optarg);
3249 case QEMU_OPTION_version:
3253 case QEMU_OPTION_m: {
3258 value = strtosz(optarg, &end);
3259 if (value < 0 || *end) {
3260 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3263 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3265 if (ram_size != sz) {
3266 fprintf(stderr, "qemu: ram size too large\n");
3272 case QEMU_OPTION_tpmdev:
3273 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3278 case QEMU_OPTION_mempath:
3282 case QEMU_OPTION_mem_prealloc:
3293 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3295 case QEMU_OPTION_gdb:
3296 add_device_config(DEV_GDB, optarg);
3299 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3300 data_dir[data_dir_idx++] = optarg;
3303 case QEMU_OPTION_bios:
3306 case QEMU_OPTION_singlestep:
3313 keyboard_layout = optarg;
3315 case QEMU_OPTION_localtime:
3318 case QEMU_OPTION_vga:
3327 w = strtol(p, (char **)&p, 10);
3330 fprintf(stderr, "qemu: invalid resolution or depth\n");
3336 h = strtol(p, (char **)&p, 10);
3341 depth = strtol(p, (char **)&p, 10);
3342 if (depth != 8 && depth != 15 && depth != 16 &&
3343 depth != 24 && depth != 32)
3345 } else if (*p == '\0') {
3346 depth = graphic_depth;
3353 graphic_depth = depth;
3356 case QEMU_OPTION_echr:
3359 term_escape_char = strtol(optarg, &r, 0);
3361 printf("Bad argument to echr\n");
3364 case QEMU_OPTION_monitor:
3365 default_monitor = 0;
3366 if (strncmp(optarg, "none", 4)) {
3367 monitor_parse(optarg, "readline");
3370 case QEMU_OPTION_qmp:
3371 monitor_parse(optarg, "control");
3372 default_monitor = 0;
3374 case QEMU_OPTION_mon:
3375 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3379 default_monitor = 0;
3381 case QEMU_OPTION_chardev:
3382 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3387 case QEMU_OPTION_fsdev:
3388 olist = qemu_find_opts("fsdev");
3390 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3393 opts = qemu_opts_parse(olist, optarg, 1);
3398 case QEMU_OPTION_virtfs: {
3401 const char *writeout, *sock_fd, *socket;
3403 olist = qemu_find_opts("virtfs");
3405 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3408 opts = qemu_opts_parse(olist, optarg, 1);
3413 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3414 qemu_opt_get(opts, "mount_tag") == NULL) {
3415 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3418 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3419 qemu_opt_get(opts, "mount_tag"),
3422 fprintf(stderr, "duplicate fsdev id: %s\n",
3423 qemu_opt_get(opts, "mount_tag"));
3427 writeout = qemu_opt_get(opts, "writeout");
3429 #ifdef CONFIG_SYNC_FILE_RANGE
3430 qemu_opt_set(fsdev, "writeout", writeout);
3432 fprintf(stderr, "writeout=immediate not supported on "
3437 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3438 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3439 qemu_opt_set(fsdev, "security_model",
3440 qemu_opt_get(opts, "security_model"));
3441 socket = qemu_opt_get(opts, "socket");
3443 qemu_opt_set(fsdev, "socket", socket);
3445 sock_fd = qemu_opt_get(opts, "sock_fd");
3447 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3450 qemu_opt_set_bool(fsdev, "readonly",
3451 qemu_opt_get_bool(opts, "readonly", 0));
3452 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3453 qemu_opt_set(device, "driver", "virtio-9p-pci");
3454 qemu_opt_set(device, "fsdev",
3455 qemu_opt_get(opts, "mount_tag"));
3456 qemu_opt_set(device, "mount_tag",
3457 qemu_opt_get(opts, "mount_tag"));
3460 case QEMU_OPTION_virtfs_synth: {
3464 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3467 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3470 qemu_opt_set(fsdev, "fsdriver", "synth");
3472 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3473 qemu_opt_set(device, "driver", "virtio-9p-pci");
3474 qemu_opt_set(device, "fsdev", "v_synth");
3475 qemu_opt_set(device, "mount_tag", "v_synth");
3478 case QEMU_OPTION_serial:
3479 add_device_config(DEV_SERIAL, optarg);
3481 if (strncmp(optarg, "mon:", 4) == 0) {
3482 default_monitor = 0;
3485 case QEMU_OPTION_watchdog:
3488 "qemu: only one watchdog option may be given\n");
3493 case QEMU_OPTION_watchdog_action:
3494 if (select_watchdog_action(optarg) == -1) {
3495 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3499 case QEMU_OPTION_virtiocon:
3500 add_device_config(DEV_VIRTCON, optarg);
3501 default_virtcon = 0;
3502 if (strncmp(optarg, "mon:", 4) == 0) {
3503 default_monitor = 0;
3506 case QEMU_OPTION_parallel:
3507 add_device_config(DEV_PARALLEL, optarg);
3508 default_parallel = 0;
3509 if (strncmp(optarg, "mon:", 4) == 0) {
3510 default_monitor = 0;
3513 case QEMU_OPTION_debugcon:
3514 add_device_config(DEV_DEBUGCON, optarg);
3516 case QEMU_OPTION_loadvm:
3519 case QEMU_OPTION_full_screen:
3522 case QEMU_OPTION_no_frame:
3525 case QEMU_OPTION_alt_grab:
3528 case QEMU_OPTION_ctrl_grab:
3531 case QEMU_OPTION_no_quit:
3534 case QEMU_OPTION_sdl:
3536 display_type = DT_SDL;
3539 fprintf(stderr, "SDL support is disabled\n");
3542 case QEMU_OPTION_pidfile:
3545 case QEMU_OPTION_win2k_hack:
3546 win2k_install_hack = 1;
3548 case QEMU_OPTION_rtc_td_hack: {
3549 static GlobalProperty slew_lost_ticks[] = {
3551 .driver = "mc146818rtc",
3552 .property = "lost_tick_policy",
3555 { /* end of list */ }
3558 qdev_prop_register_global_list(slew_lost_ticks);
3561 case QEMU_OPTION_acpitable:
3562 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3563 g_assert(opts != NULL);
3564 do_acpitable_option(opts);
3566 case QEMU_OPTION_smbios:
3567 do_smbios_option(optarg);
3569 case QEMU_OPTION_enable_kvm:
3570 olist = qemu_find_opts("machine");
3571 qemu_opts_parse(olist, "accel=kvm", 0);
3573 case QEMU_OPTION_machine:
3574 olist = qemu_find_opts("machine");
3575 opts = qemu_opts_parse(olist, optarg, 1);
3579 optarg = qemu_opt_get(opts, "type");
3581 machine = machine_parse(optarg);
3584 case QEMU_OPTION_no_kvm:
3585 olist = qemu_find_opts("machine");
3586 qemu_opts_parse(olist, "accel=tcg", 0);
3588 case QEMU_OPTION_no_kvm_pit: {
3589 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3593 case QEMU_OPTION_no_kvm_pit_reinjection: {
3594 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3596 .driver = "kvm-pit",
3597 .property = "lost_tick_policy",
3600 { /* end of list */ }
3603 fprintf(stderr, "Warning: option deprecated, use "
3604 "lost_tick_policy property of kvm-pit instead.\n");
3605 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3608 case QEMU_OPTION_usb:
3609 olist = qemu_find_opts("machine");
3610 qemu_opts_parse(olist, "usb=on", 0);
3612 case QEMU_OPTION_usbdevice:
3613 olist = qemu_find_opts("machine");
3614 qemu_opts_parse(olist, "usb=on", 0);
3615 add_device_config(DEV_USB, optarg);
3617 case QEMU_OPTION_device:
3618 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3622 case QEMU_OPTION_smp:
3623 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3627 case QEMU_OPTION_vnc:
3630 vnc_display = optarg;
3632 fprintf(stderr, "VNC support is disabled\n");
3636 case QEMU_OPTION_no_acpi:
3639 case QEMU_OPTION_no_hpet:
3642 case QEMU_OPTION_balloon:
3643 if (balloon_parse(optarg) < 0) {
3644 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3648 case QEMU_OPTION_no_reboot:
3651 case QEMU_OPTION_no_shutdown:
3654 case QEMU_OPTION_show_cursor:
3657 case QEMU_OPTION_uuid:
3658 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3659 fprintf(stderr, "Fail to parse UUID string."
3660 " Wrong format.\n");
3664 case QEMU_OPTION_option_rom:
3665 if (nb_option_roms >= MAX_OPTION_ROMS) {
3666 fprintf(stderr, "Too many option ROMs\n");
3669 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3673 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3674 option_rom[nb_option_roms].bootindex =
3675 qemu_opt_get_number(opts, "bootindex", -1);
3676 if (!option_rom[nb_option_roms].name) {
3677 fprintf(stderr, "Option ROM file is not specified\n");
3682 case QEMU_OPTION_semihosting:
3683 semihosting_enabled = 1;
3685 case QEMU_OPTION_tdf:
3686 fprintf(stderr, "Warning: user space PIT time drift fix "
3687 "is no longer supported.\n");
3689 case QEMU_OPTION_name:
3690 qemu_name = g_strdup(optarg);
3692 char *p = strchr(qemu_name, ',');
3695 if (strncmp(p, "process=", 8)) {
3696 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3700 os_set_proc_name(p);
3704 case QEMU_OPTION_prom_env:
3705 if (nb_prom_envs >= MAX_PROM_ENVS) {
3706 fprintf(stderr, "Too many prom variables\n");
3709 prom_envs[nb_prom_envs] = optarg;
3712 case QEMU_OPTION_old_param:
3715 case QEMU_OPTION_clock:
3716 configure_alarms(optarg);
3718 case QEMU_OPTION_startdate:
3719 configure_rtc_date_offset(optarg, 1);
3721 case QEMU_OPTION_rtc:
3722 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3726 configure_rtc(opts);
3728 case QEMU_OPTION_tb_size:
3729 tcg_tb_size = strtol(optarg, NULL, 0);
3730 if (tcg_tb_size < 0) {
3734 case QEMU_OPTION_icount:
3735 icount_option = optarg;
3737 case QEMU_OPTION_incoming:
3739 runstate_set(RUN_STATE_INMIGRATE);
3741 case QEMU_OPTION_nodefaults:
3743 default_parallel = 0;
3744 default_virtcon = 0;
3746 default_monitor = 0;
3753 case QEMU_OPTION_xen_domid:
3754 if (!(xen_available())) {
3755 printf("Option %s not supported for this target\n", popt->name);
3758 xen_domid = atoi(optarg);
3760 case QEMU_OPTION_xen_create:
3761 if (!(xen_available())) {
3762 printf("Option %s not supported for this target\n", popt->name);
3765 xen_mode = XEN_CREATE;
3767 case QEMU_OPTION_xen_attach:
3768 if (!(xen_available())) {
3769 printf("Option %s not supported for this target\n", popt->name);
3772 xen_mode = XEN_ATTACH;
3774 case QEMU_OPTION_trace:
3776 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3780 trace_events = qemu_opt_get(opts, "events");
3781 trace_file = qemu_opt_get(opts, "file");
3784 case QEMU_OPTION_readconfig:
3786 int ret = qemu_read_config_file(optarg);
3788 fprintf(stderr, "read config %s: %s\n", optarg,
3794 case QEMU_OPTION_spice:
3795 olist = qemu_find_opts("spice");
3797 fprintf(stderr, "spice is not supported by this qemu build.\n");
3800 opts = qemu_opts_parse(olist, optarg, 0);
3806 case QEMU_OPTION_writeconfig:
3809 if (strcmp(optarg, "-") == 0) {
3812 fp = fopen(optarg, "w");
3814 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3818 qemu_config_write(fp);
3822 case QEMU_OPTION_qtest:
3823 qtest_chrdev = optarg;
3825 case QEMU_OPTION_qtest_log:
3828 case QEMU_OPTION_sandbox:
3829 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3834 case QEMU_OPTION_add_fd:
3836 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3841 error_report("File descriptor passing is disabled on this "
3846 case QEMU_OPTION_object:
3847 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3852 case QEMU_OPTION_realtime:
3853 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3857 configure_realtime(opts);
3859 case QEMU_OPTION_msg:
3860 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3864 configure_msg(opts);
3867 os_parse_cmd_args(popt->index, optarg);
3873 if (qemu_init_main_loop()) {
3874 fprintf(stderr, "qemu_init_main_loop failed\n");
3878 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3883 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3887 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3892 if (machine == NULL) {
3893 fprintf(stderr, "No machine found.\n");
3897 if (machine->hw_version) {
3898 qemu_set_version(machine->hw_version);
3901 if (qemu_opts_foreach(qemu_find_opts("object"),
3902 object_create, NULL, 0) != 0) {
3906 /* Init CPU def lists, based on config
3907 * - Must be called after all the qemu_read_config_file() calls
3908 * - Must be called before list_cpus()
3909 * - Must be called before machine->init()
3913 if (cpu_model && is_help_option(cpu_model)) {
3914 list_cpus(stdout, &fprintf, cpu_model);
3918 /* Open the logfile at this point, if necessary. We can't open the logfile
3919 * when encountering either of the logging options (-d or -D) because the
3920 * other one may be encountered later on the command line, changing the
3921 * location or level of logging.
3926 qemu_set_log_filename(log_file);
3929 mask = qemu_str_to_log_mask(log_mask);
3931 qemu_print_log_usage(stdout);
3937 if (!trace_backend_init(trace_events, trace_file)) {
3941 /* If no data_dir is specified then try to find it relative to the
3943 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3944 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3945 if (data_dir[data_dir_idx] != NULL) {
3949 /* If all else fails use the install path specified when building. */
3950 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3951 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3954 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3956 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3957 if (smp_cpus > machine->max_cpus) {
3958 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3959 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3965 * Get the default machine options from the machine if it is not already
3966 * specified either by the configuration file or by the command line.
3968 if (machine->default_machine_opts) {
3969 qemu_opts_set_defaults(qemu_find_opts("machine"),
3970 machine->default_machine_opts, 0);
3973 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3974 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3976 if (machine->no_serial) {
3979 if (machine->no_parallel) {
3980 default_parallel = 0;
3982 if (!machine->use_virtcon) {
3983 default_virtcon = 0;
3985 if (!machine->use_sclp) {
3988 if (machine->no_floppy) {
3991 if (machine->no_cdrom) {
3994 if (machine->no_sdcard) {
3998 if (is_daemonized()) {
3999 /* According to documentation and historically, -nographic redirects
4000 * serial port, parallel port and monitor to stdio, which does not work
4001 * with -daemonize. We can redirect these to null instead, but since
4002 * -nographic is legacy, let's just error out.
4003 * We disallow -nographic only if all other ports are not redirected
4004 * explicitly, to not break existing legacy setups which uses
4005 * -nographic _and_ redirects all ports explicitly - this is valid
4006 * usage, -nographic is just a no-op in this case.
4008 if (display_type == DT_NOGRAPHIC
4009 && (default_parallel || default_serial
4010 || default_monitor || default_virtcon)) {
4011 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4014 #ifdef CONFIG_CURSES
4015 if (display_type == DT_CURSES) {
4016 fprintf(stderr, "curses display can not be used with -daemonize\n");
4022 if (display_type == DT_NOGRAPHIC) {
4023 if (default_parallel)
4024 add_device_config(DEV_PARALLEL, "null");
4025 if (default_serial && default_monitor) {
4026 add_device_config(DEV_SERIAL, "mon:stdio");
4027 } else if (default_virtcon && default_monitor) {
4028 add_device_config(DEV_VIRTCON, "mon:stdio");
4029 } else if (default_sclp && default_monitor) {
4030 add_device_config(DEV_SCLP, "mon:stdio");
4033 add_device_config(DEV_SERIAL, "stdio");
4034 if (default_virtcon)
4035 add_device_config(DEV_VIRTCON, "stdio");
4037 add_device_config(DEV_SCLP, "stdio");
4039 if (default_monitor)
4040 monitor_parse("stdio", "readline");
4044 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4045 if (default_parallel)
4046 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4047 if (default_monitor)
4048 monitor_parse("vc:80Cx24C", "readline");
4049 if (default_virtcon)
4050 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4052 add_device_config(DEV_SCLP, "vc:80Cx24C");
4056 if (display_type == DT_DEFAULT && !display_remote) {
4057 #if defined(CONFIG_GTK)
4058 display_type = DT_GTK;
4059 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4060 display_type = DT_SDL;
4061 #elif defined(CONFIG_VNC)
4062 vnc_display = "localhost:0,to=99";
4065 display_type = DT_NONE;
4069 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4070 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4071 "for SDL, ignoring option\n");
4073 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4074 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4075 "ignoring option\n");
4078 #if defined(CONFIG_GTK)
4079 if (display_type == DT_GTK) {
4080 early_gtk_display_init();
4086 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4088 #ifdef CONFIG_VIRTFS
4089 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4096 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4101 /* init the memory */
4102 if (ram_size == 0) {
4103 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4106 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4111 configure_accelerator();
4113 if (!qtest_enabled() && qtest_chrdev) {
4117 machine_opts = qemu_get_machine_opts();
4118 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4119 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4120 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4123 boot_order = machine->boot_order;
4125 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4127 char *normal_boot_order;
4128 const char *order, *once;
4130 order = qemu_opt_get(opts, "order");
4132 validate_bootdevices(order);
4136 once = qemu_opt_get(opts, "once");
4138 validate_bootdevices(once);
4139 normal_boot_order = g_strdup(boot_order);
4141 qemu_register_reset(restore_boot_order, normal_boot_order);
4144 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4147 if (!kernel_cmdline) {
4148 kernel_cmdline = "";
4151 linux_boot = (kernel_filename != NULL);
4153 if (!linux_boot && *kernel_cmdline != '\0') {
4154 fprintf(stderr, "-append only allowed with -kernel option\n");
4158 if (!linux_boot && initrd_filename != NULL) {
4159 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4163 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4164 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4168 os_set_line_buffering();
4170 qemu_init_cpu_loop();
4171 qemu_mutex_lock_iothread();
4174 /* spice needs the timers to be initialized by this point */
4178 if (icount_option && (kvm_enabled() || xen_enabled())) {
4179 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4182 configure_icount(icount_option);
4184 /* clean up network at qemu process termination */
4185 atexit(&net_cleanup);
4187 if (net_init_clients() < 0) {
4192 if (tpm_init() < 0) {
4197 /* init the bluetooth world */
4198 if (foreach_device_config(DEV_BT, bt_parse))
4201 if (!xen_enabled()) {
4202 /* On 32-bit hosts, QEMU is limited by virtual address space */
4203 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4204 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4209 cpu_exec_init_all();
4213 /* open the virtual block devices */
4215 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4216 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4217 &machine->block_default_type, 1) != 0) {
4221 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4223 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4224 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4226 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4228 if (nb_numa_nodes > 0) {
4231 if (nb_numa_nodes > MAX_NODES) {
4232 nb_numa_nodes = MAX_NODES;
4235 /* If no memory size if given for any node, assume the default case
4236 * and distribute the available memory equally across all nodes
4238 for (i = 0; i < nb_numa_nodes; i++) {
4239 if (node_mem[i] != 0)
4242 if (i == nb_numa_nodes) {
4243 uint64_t usedmem = 0;
4245 /* On Linux, the each node's border has to be 8MB aligned,
4246 * the final node gets the rest.
4248 for (i = 0; i < nb_numa_nodes - 1; i++) {
4249 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4250 usedmem += node_mem[i];
4252 node_mem[i] = ram_size - usedmem;
4255 for (i = 0; i < nb_numa_nodes; i++) {
4256 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4260 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4261 * must cope with this anyway, because there are BIOSes out there in
4262 * real machines which also use this scheme.
4264 if (i == nb_numa_nodes) {
4265 for (i = 0; i < max_cpus; i++) {
4266 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4271 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4275 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4277 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4279 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4281 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4284 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4287 /* If no default VGA is requested, the default is "none". */
4289 if (cirrus_vga_available()) {
4290 vga_model = "cirrus";
4291 } else if (vga_available()) {
4295 select_vgahw(vga_model);
4298 i = select_watchdog(watchdog);
4300 exit (i == 1 ? 1 : 0);
4303 if (machine->compat_props) {
4304 qdev_prop_register_global_list(machine->compat_props);
4308 qdev_machine_init();
4310 QEMUMachineInitArgs args = { .ram_size = ram_size,
4311 .boot_device = boot_order,
4312 .kernel_filename = kernel_filename,
4313 .kernel_cmdline = kernel_cmdline,
4314 .initrd_filename = initrd_filename,
4315 .cpu_model = cpu_model };
4316 machine->init(&args);
4320 cpu_synchronize_all_post_init();
4324 current_machine = machine;
4326 /* init USB devices */
4327 if (usb_enabled(false)) {
4328 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4332 /* init generic devices */
4333 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4336 net_check_clients();
4338 ds = init_displaystate();
4340 /* init local displays */
4341 switch (display_type) {
4344 #if defined(CONFIG_CURSES)
4346 curses_display_init(ds, full_screen);
4349 #if defined(CONFIG_SDL)
4351 sdl_display_init(ds, full_screen, no_frame);
4353 #elif defined(CONFIG_COCOA)
4355 cocoa_display_init(ds, full_screen);
4358 #if defined(CONFIG_GTK)
4360 gtk_display_init(ds, full_screen);
4367 /* must be after terminal init, SDL library changes signal handlers */
4368 os_setup_signal_handling();
4371 /* init remote displays */
4373 Error *local_err = NULL;
4374 vnc_display_init(ds);
4375 vnc_display_open(ds, vnc_display, &local_err);
4376 if (local_err != NULL) {
4377 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4378 vnc_display, error_get_pretty(local_err));
4379 error_free(local_err);
4383 if (show_vnc_port) {
4384 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4389 if (using_spice && !spice_displays) {
4390 qemu_spice_display_init(ds);
4394 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4398 qdev_machine_creation_done();
4400 if (rom_load_all() != 0) {
4401 fprintf(stderr, "rom loading failed\n");
4405 /* TODO: once all bus devices are qdevified, this should be done
4406 * when bus is created by qdev.c */
4407 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4408 qemu_run_machine_init_done_notifiers();
4410 qemu_system_reset(VMRESET_SILENT);
4412 if (load_vmstate(loadvm) < 0) {
4418 Error *local_err = NULL;
4419 qemu_start_incoming_migration(incoming, &local_err);
4421 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4422 error_free(local_err);
4425 } else if (autostart) {