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"
122 #include "char/baum.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
128 #include "hw/loader.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.h"
142 #include "sysemu/dma.h"
143 #include "audio/audio.h"
144 #include "migration/migration.h"
145 #include "sysemu/kvm.h"
146 #include "qapi/qmp/qjson.h"
147 #include "qemu/option.h"
148 #include "qemu/config-file.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "qemu/main-loop.h"
153 #include "fsdev/qemu-fsdev.h"
155 #include "sysemu/qtest.h"
157 #include "disas/disas.h"
159 #include "qemu/sockets.h"
161 #include "slirp/libslirp.h"
164 #include "trace/control.h"
165 #include "qemu/queue.h"
166 #include "sysemu/cpus.h"
167 #include "sysemu/arch_init.h"
168 #include "qemu/osdep.h"
170 #include "ui/qemu-spice.h"
171 #include "qapi/string-input-visitor.h"
174 //#define DEBUG_SLIRP
176 #define DEFAULT_RAM_SIZE 128
178 #define MAX_VIRTIO_CONSOLES 1
179 #define MAX_SCLP_CONSOLES 1
181 static const char *data_dir;
182 const char *bios_name = NULL;
183 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
184 DisplayType display_type = DT_DEFAULT;
185 static int display_remote;
186 const char* keyboard_layout = NULL;
188 const char *mem_path = NULL;
190 int mem_prealloc = 0; /* force preallocation of physical target memory */
193 NICInfo nd_table[MAX_NICS];
195 static int rtc_utc = 1;
196 static int rtc_date_offset = -1; /* -1 means no change */
197 QEMUClock *rtc_clock;
198 int vga_interface_type = VGA_NONE;
199 static int full_screen = 0;
201 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];
235 uint8_t *boot_splash_filedata;
236 size_t boot_splash_filedata_size;
237 uint8_t qemu_extra_params_fw[2];
239 typedef struct FWBootEntry FWBootEntry;
242 QTAILQ_ENTRY(FWBootEntry) link;
248 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
249 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
252 uint64_t node_mem[MAX_NODES];
253 unsigned long *node_cpumask[MAX_NODES];
255 uint8_t qemu_uuid[16];
257 static QEMUBootSetHandler *boot_set_handler;
258 static void *boot_set_opaque;
260 static NotifierList exit_notifiers =
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
263 static NotifierList machine_init_done_notifiers =
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
266 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_STRING,
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 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
439 /* the three names below are not used now */
442 .type = QEMU_OPT_STRING,
445 .type = QEMU_OPT_STRING,
448 .type = QEMU_OPT_STRING,
449 /* following are really used */
452 .type = QEMU_OPT_STRING,
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
464 static QemuOptsList qemu_add_fd_opts = {
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
470 .type = QEMU_OPT_NUMBER,
471 .help = "file descriptor of which a duplicate is added to fd set",
474 .type = QEMU_OPT_NUMBER,
475 .help = "ID of the fd set to add fd to",
478 .type = QEMU_OPT_STRING,
479 .help = "free-form string used to describe fd",
481 { /* end of list */ }
485 static QemuOptsList qemu_object_opts = {
487 .implied_opt_name = "qom-type",
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
494 const char *qemu_get_vm_name(void)
499 static void res_free(void)
501 if (boot_splash_filedata != NULL) {
502 g_free(boot_splash_filedata);
503 boot_splash_filedata = NULL;
507 static int default_driver_check(QemuOpts *opts, void *opaque)
509 const char *driver = qemu_opt_get(opts, "driver");
514 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
515 if (strcmp(default_list[i].driver, driver) != 0)
517 *(default_list[i].flag) = 0;
522 /***********************************************************/
525 static RunState current_run_state = RUN_STATE_PRELAUNCH;
530 } RunStateTransition;
532 static const RunStateTransition runstate_transitions_def[] = {
534 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
536 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
537 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
539 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
540 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
542 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
543 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
545 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
546 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
548 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
549 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
551 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
552 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
553 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
555 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
558 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
560 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
561 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
562 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
563 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
564 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
565 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
566 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
567 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
568 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
570 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
572 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
573 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
576 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
577 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
578 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
580 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
581 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_MAX, RUN_STATE_MAX },
586 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
588 bool runstate_check(RunState state)
590 return current_run_state == state;
593 static void runstate_init(void)
595 const RunStateTransition *p;
597 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
599 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
600 runstate_valid_transitions[p->from][p->to] = true;
604 /* This function will abort() on invalid state transitions */
605 void runstate_set(RunState new_state)
607 assert(new_state < RUN_STATE_MAX);
609 if (!runstate_valid_transitions[current_run_state][new_state]) {
610 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
611 RunState_lookup[current_run_state],
612 RunState_lookup[new_state]);
616 current_run_state = new_state;
619 int runstate_is_running(void)
621 return runstate_check(RUN_STATE_RUNNING);
624 StatusInfo *qmp_query_status(Error **errp)
626 StatusInfo *info = g_malloc0(sizeof(*info));
628 info->running = runstate_is_running();
629 info->singlestep = singlestep;
630 info->status = current_run_state;
635 /***********************************************************/
636 /* real time host monotonic timer */
638 /***********************************************************/
639 /* host time/date access */
640 void qemu_get_timedate(struct tm *tm, int offset)
646 if (rtc_date_offset == -1) {
650 localtime_r(&ti, tm);
652 ti -= rtc_date_offset;
657 int qemu_timedate_diff(struct tm *tm)
661 if (rtc_date_offset == -1)
663 seconds = mktimegm(tm);
666 tmp.tm_isdst = -1; /* use timezone to figure it out */
667 seconds = mktime(&tmp);
670 seconds = mktimegm(tm) + rtc_date_offset;
672 return seconds - time(NULL);
675 void rtc_change_mon_event(struct tm *tm)
679 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
680 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
681 qobject_decref(data);
684 static void configure_rtc_date_offset(const char *startdate, int legacy)
686 time_t rtc_start_date;
689 if (!strcmp(startdate, "now") && legacy) {
690 rtc_date_offset = -1;
692 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
700 } else if (sscanf(startdate, "%d-%d-%d",
712 rtc_start_date = mktimegm(&tm);
713 if (rtc_start_date == -1) {
715 fprintf(stderr, "Invalid date format. Valid formats are:\n"
716 "'2006-06-17T16:01:21' or '2006-06-17'\n");
719 rtc_date_offset = time(NULL) - rtc_start_date;
723 static void configure_rtc(QemuOpts *opts)
727 value = qemu_opt_get(opts, "base");
729 if (!strcmp(value, "utc")) {
731 } else if (!strcmp(value, "localtime")) {
734 configure_rtc_date_offset(value, 0);
737 value = qemu_opt_get(opts, "clock");
739 if (!strcmp(value, "host")) {
740 rtc_clock = host_clock;
741 } else if (!strcmp(value, "rt")) {
742 rtc_clock = rt_clock;
743 } else if (!strcmp(value, "vm")) {
744 rtc_clock = vm_clock;
746 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
750 value = qemu_opt_get(opts, "driftfix");
752 if (!strcmp(value, "slew")) {
753 static GlobalProperty slew_lost_ticks[] = {
755 .driver = "mc146818rtc",
756 .property = "lost_tick_policy",
759 { /* end of list */ }
762 qdev_prop_register_global_list(slew_lost_ticks);
763 } else if (!strcmp(value, "none")) {
764 /* discard is default */
766 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
772 /***********************************************************/
773 /* Bluetooth support */
776 static struct HCIInfo *hci_table[MAX_NICS];
778 static struct bt_vlan_s {
779 struct bt_scatternet_s net;
781 struct bt_vlan_s *next;
784 /* find or alloc a new bluetooth "VLAN" */
785 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
787 struct bt_vlan_s **pvlan, *vlan;
788 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
792 vlan = g_malloc0(sizeof(struct bt_vlan_s));
794 pvlan = &first_bt_vlan;
795 while (*pvlan != NULL)
796 pvlan = &(*pvlan)->next;
801 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
805 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
810 static struct HCIInfo null_hci = {
811 .cmd_send = null_hci_send,
812 .sco_send = null_hci_send,
813 .acl_send = null_hci_send,
814 .bdaddr_set = null_hci_addr_set,
817 struct HCIInfo *qemu_next_hci(void)
819 if (cur_hci == nb_hcis)
822 return hci_table[cur_hci++];
825 static struct HCIInfo *hci_init(const char *str)
828 struct bt_scatternet_s *vlan = 0;
830 if (!strcmp(str, "null"))
833 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
835 return bt_host_hci(str[4] ? str + 5 : "hci0");
836 else if (!strncmp(str, "hci", 3)) {
839 if (!strncmp(str + 3, ",vlan=", 6)) {
840 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
845 vlan = qemu_find_bt_vlan(0);
847 return bt_new_hci(vlan);
850 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
855 static int bt_hci_parse(const char *str)
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
877 hci_table[nb_hcis++] = hci;
882 static void bt_vhci_add(int vlan_id)
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
890 bt_vhci_init(bt_new_hci(vlan));
893 static struct bt_device_s *bt_device_add(const char *opt)
895 struct bt_scatternet_s *vlan;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
904 vlan_id = strtol(endp + 6, &endp, 0);
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
911 vlan = qemu_find_bt_vlan(vlan_id);
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
924 static int bt_parse(const char *opt)
926 const char *endp, *p;
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
932 if (!strstart(endp, ",vlan=", 0))
935 return bt_hci_parse(opt);
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
983 /*********QEMU USB setting******/
984 bool usb_enabled(bool default_usb)
987 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
989 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
995 static int parse_add_fd(QemuOpts *opts, void *opaque)
997 int fd, dupfd, flags;
999 const char *fd_opaque = NULL;
1001 fd = qemu_opt_get_number(opts, "fd", -1);
1002 fdset_id = qemu_opt_get_number(opts, "set", -1);
1003 fd_opaque = qemu_opt_get(opts, "opaque");
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1007 "fd option is required and must be non-negative");
1011 if (fd <= STDERR_FILENO) {
1012 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1013 "fd cannot be a standard I/O stream");
1018 * All fds inherited across exec() necessarily have FD_CLOEXEC
1019 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1021 flags = fcntl(fd, F_GETFD);
1022 if (flags == -1 || (flags & FD_CLOEXEC)) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd is not valid or already in use");
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "set option is required and must be non-negative");
1034 #ifdef F_DUPFD_CLOEXEC
1035 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1039 qemu_set_cloexec(dupfd);
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "Error duplicating fd: %s", strerror(errno));
1048 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1049 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1055 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1059 fd = qemu_opt_get_number(opts, "fd", -1);
1066 /***********************************************************/
1067 /* QEMU Block devices */
1069 #define HD_OPTS "media=disk"
1070 #define CDROM_OPTS "media=cdrom"
1072 #define PFLASH_OPTS ""
1076 static int drive_init_func(QemuOpts *opts, void *opaque)
1078 BlockInterfaceType *block_default_type = opaque;
1080 return drive_init(opts, *block_default_type) == NULL;
1083 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1085 if (NULL == qemu_opt_get(opts, "snapshot")) {
1086 qemu_opt_set(opts, "snapshot", "on");
1091 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1092 int index, const char *optstr)
1096 if (!enable || drive_get_by_index(type, index)) {
1100 opts = drive_add(type, index, NULL, optstr);
1102 drive_enable_snapshot(opts, NULL);
1104 if (!drive_init(opts, type)) {
1109 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1111 boot_set_handler = func;
1112 boot_set_opaque = opaque;
1115 int qemu_boot_set(const char *boot_devices)
1117 if (!boot_set_handler) {
1120 return boot_set_handler(boot_set_opaque, boot_devices);
1123 static void validate_bootdevices(char *devices)
1125 /* We just do some generic consistency checks */
1129 for (p = devices; *p != '\0'; p++) {
1130 /* Allowed boot devices are:
1131 * a-b: floppy disk drives
1132 * c-f: IDE disk drives
1133 * g-m: machine implementation dependent drives
1134 * n-p: network devices
1135 * It's up to each machine implementation to check if the given boot
1136 * devices match the actual hardware implementation and firmware
1139 if (*p < 'a' || *p > 'p') {
1140 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1143 if (bitmap & (1 << (*p - 'a'))) {
1144 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1147 bitmap |= 1 << (*p - 'a');
1151 static void restore_boot_devices(void *opaque)
1153 char *standard_boot_devices = opaque;
1154 static int first = 1;
1156 /* Restore boot order and remove ourselves after the first boot */
1162 qemu_boot_set(standard_boot_devices);
1164 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1165 g_free(standard_boot_devices);
1168 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1171 FWBootEntry *node, *i;
1173 if (bootindex < 0) {
1177 assert(dev != NULL || suffix != NULL);
1179 node = g_malloc0(sizeof(FWBootEntry));
1180 node->bootindex = bootindex;
1181 node->suffix = suffix ? g_strdup(suffix) : NULL;
1184 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1185 if (i->bootindex == bootindex) {
1186 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1188 } else if (i->bootindex < bootindex) {
1191 QTAILQ_INSERT_BEFORE(i, node, link);
1194 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1198 * This function returns null terminated string that consist of new line
1199 * separated device paths.
1201 * memory pointed by "size" is assigned total length of the array in bytes
1204 char *get_boot_devices_list(size_t *size)
1210 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1211 char *devpath = NULL, *bootpath;
1215 devpath = qdev_get_fw_dev_path(i->dev);
1219 if (i->suffix && devpath) {
1220 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1222 bootpath = g_malloc(bootpathlen);
1223 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1225 } else if (devpath) {
1229 bootpath = g_strdup(i->suffix);
1233 list[total-1] = '\n';
1235 len = strlen(bootpath) + 1;
1236 list = g_realloc(list, total + len);
1237 memcpy(&list[total], bootpath, len);
1247 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1250 unsigned long long value, endvalue;
1252 /* Empty CPU range strings will be considered valid, they will simply
1253 * not set any bit in the CPU bitmap.
1259 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1262 if (*endptr == '-') {
1263 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1266 } else if (*endptr == '\0') {
1272 if (endvalue >= MAX_CPUMASK_BITS) {
1273 endvalue = MAX_CPUMASK_BITS - 1;
1275 "qemu: NUMA: A max of %d VCPUs are supported\n",
1279 if (endvalue < value) {
1283 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1287 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1291 static void numa_add(const char *optarg)
1295 unsigned long long nodenr;
1297 optarg = get_opt_name(option, 128, optarg, ',');
1298 if (*optarg == ',') {
1301 if (!strcmp(option, "node")) {
1303 if (nb_numa_nodes >= MAX_NODES) {
1304 fprintf(stderr, "qemu: too many NUMA nodes\n");
1308 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1309 nodenr = nb_numa_nodes;
1311 if (parse_uint_full(option, &nodenr, 10) < 0) {
1312 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1317 if (nodenr >= MAX_NODES) {
1318 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1322 if (get_param_value(option, 128, "mem", optarg) == 0) {
1323 node_mem[nodenr] = 0;
1326 sval = strtosz(option, &endptr);
1327 if (sval < 0 || *endptr) {
1328 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1331 node_mem[nodenr] = sval;
1333 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1334 numa_node_parse_cpus(nodenr, option);
1338 fprintf(stderr, "Invalid -numa option: %s\n", option);
1343 static void smp_parse(const char *optarg)
1345 int smp, sockets = 0, threads = 0, cores = 0;
1349 smp = strtoul(optarg, &endptr, 10);
1350 if (endptr != optarg) {
1351 if (*endptr == ',') {
1355 if (get_param_value(option, 128, "sockets", endptr) != 0)
1356 sockets = strtoull(option, NULL, 10);
1357 if (get_param_value(option, 128, "cores", endptr) != 0)
1358 cores = strtoull(option, NULL, 10);
1359 if (get_param_value(option, 128, "threads", endptr) != 0)
1360 threads = strtoull(option, NULL, 10);
1361 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1362 max_cpus = strtoull(option, NULL, 10);
1364 /* compute missing values, prefer sockets over cores over threads */
1365 if (smp == 0 || sockets == 0) {
1366 sockets = sockets > 0 ? sockets : 1;
1367 cores = cores > 0 ? cores : 1;
1368 threads = threads > 0 ? threads : 1;
1370 smp = cores * threads * sockets;
1374 threads = threads > 0 ? threads : 1;
1375 cores = smp / (sockets * threads);
1377 threads = smp / (cores * sockets);
1381 smp_cores = cores > 0 ? cores : 1;
1382 smp_threads = threads > 0 ? threads : 1;
1384 max_cpus = smp_cpus;
1387 /***********************************************************/
1390 static int usb_device_add(const char *devname)
1393 USBDevice *dev = NULL;
1395 if (!usb_enabled(false)) {
1399 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400 dev = usbdevice_create(devname);
1404 /* the other ones */
1405 #ifndef CONFIG_LINUX
1406 /* only the linux version is qdev-ified, usb-bsd still needs this */
1407 if (strstart(devname, "host:", &p)) {
1408 dev = usb_host_device_open(usb_bus_find(-1), p);
1411 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1412 dev = usb_bt_init(usb_bus_find(-1),
1413 devname[2] ? hci_init(p)
1414 : bt_new_hci(qemu_find_bt_vlan(0)));
1425 static int usb_device_del(const char *devname)
1430 if (strstart(devname, "host:", &p)) {
1434 if (!usb_enabled(false)) {
1438 p = strchr(devname, '.');
1441 bus_num = strtoul(devname, NULL, 0);
1442 addr = strtoul(p + 1, NULL, 0);
1444 return usb_device_delete_addr(bus_num, addr);
1447 static int usb_parse(const char *cmdline)
1450 r = usb_device_add(cmdline);
1452 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1457 void do_usb_add(Monitor *mon, const QDict *qdict)
1459 const char *devname = qdict_get_str(qdict, "devname");
1460 if (usb_device_add(devname) < 0) {
1461 error_report("could not add USB device '%s'", devname);
1465 void do_usb_del(Monitor *mon, const QDict *qdict)
1467 const char *devname = qdict_get_str(qdict, "devname");
1468 if (usb_device_del(devname) < 0) {
1469 error_report("could not delete USB device '%s'", devname);
1473 /***********************************************************/
1474 /* PCMCIA/Cardbus */
1476 static struct pcmcia_socket_entry_s {
1477 PCMCIASocket *socket;
1478 struct pcmcia_socket_entry_s *next;
1479 } *pcmcia_sockets = 0;
1481 void pcmcia_socket_register(PCMCIASocket *socket)
1483 struct pcmcia_socket_entry_s *entry;
1485 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1486 entry->socket = socket;
1487 entry->next = pcmcia_sockets;
1488 pcmcia_sockets = entry;
1491 void pcmcia_socket_unregister(PCMCIASocket *socket)
1493 struct pcmcia_socket_entry_s *entry, **ptr;
1495 ptr = &pcmcia_sockets;
1496 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1497 if (entry->socket == socket) {
1503 void pcmcia_info(Monitor *mon, const QDict *qdict)
1505 struct pcmcia_socket_entry_s *iter;
1507 if (!pcmcia_sockets)
1508 monitor_printf(mon, "No PCMCIA sockets\n");
1510 for (iter = pcmcia_sockets; iter; iter = iter->next)
1511 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1512 iter->socket->attached ? iter->socket->card_string :
1516 /***********************************************************/
1517 /* machine registration */
1519 static QEMUMachine *first_machine = NULL;
1520 QEMUMachine *current_machine = NULL;
1522 int qemu_register_machine(QEMUMachine *m)
1525 pm = &first_machine;
1533 static QEMUMachine *find_machine(const char *name)
1537 for(m = first_machine; m != NULL; m = m->next) {
1538 if (!strcmp(m->name, name))
1540 if (m->alias && !strcmp(m->alias, name))
1546 QEMUMachine *find_default_machine(void)
1550 for(m = first_machine; m != NULL; m = m->next) {
1551 if (m->is_default) {
1558 MachineInfoList *qmp_query_machines(Error **errp)
1560 MachineInfoList *mach_list = NULL;
1563 for (m = first_machine; m; m = m->next) {
1564 MachineInfoList *entry;
1567 info = g_malloc0(sizeof(*info));
1568 if (m->is_default) {
1569 info->has_is_default = true;
1570 info->is_default = true;
1574 info->has_alias = true;
1575 info->alias = g_strdup(m->alias);
1578 info->name = g_strdup(m->name);
1580 entry = g_malloc0(sizeof(*entry));
1581 entry->value = info;
1582 entry->next = mach_list;
1589 /***********************************************************/
1590 /* main execution loop */
1592 static void gui_update(void *opaque)
1594 uint64_t interval = GUI_REFRESH_INTERVAL;
1595 DisplayState *ds = opaque;
1596 DisplayChangeListener *dcl;
1600 QLIST_FOREACH(dcl, &ds->listeners, next) {
1601 if (dcl->gui_timer_interval &&
1602 dcl->gui_timer_interval < interval)
1603 interval = dcl->gui_timer_interval;
1605 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1608 void gui_setup_refresh(DisplayState *ds)
1610 DisplayChangeListener *dcl;
1611 bool need_timer = false;
1612 bool have_gfx = false;
1613 bool have_text = false;
1615 QLIST_FOREACH(dcl, &ds->listeners, next) {
1616 if (dcl->dpy_refresh != NULL) {
1619 if (dcl->dpy_gfx_update != NULL) {
1622 if (dcl->dpy_text_update != NULL) {
1627 if (need_timer && ds->gui_timer == NULL) {
1628 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1629 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1631 if (!need_timer && ds->gui_timer != NULL) {
1632 qemu_del_timer(ds->gui_timer);
1633 qemu_free_timer(ds->gui_timer);
1634 ds->gui_timer = NULL;
1637 ds->have_gfx = have_gfx;
1638 ds->have_text = have_text;
1641 struct vm_change_state_entry {
1642 VMChangeStateHandler *cb;
1644 QLIST_ENTRY (vm_change_state_entry) entries;
1647 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1649 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1652 VMChangeStateEntry *e;
1654 e = g_malloc0(sizeof (*e));
1658 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1662 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1664 QLIST_REMOVE (e, entries);
1668 void vm_state_notify(int running, RunState state)
1670 VMChangeStateEntry *e;
1672 trace_vm_state_notify(running, state);
1674 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1675 e->cb(e->opaque, running, state);
1681 if (!runstate_is_running()) {
1683 runstate_set(RUN_STATE_RUNNING);
1684 vm_state_notify(1, RUN_STATE_RUNNING);
1686 monitor_protocol_event(QEVENT_RESUME, NULL);
1690 /* reset/shutdown handler */
1692 typedef struct QEMUResetEntry {
1693 QTAILQ_ENTRY(QEMUResetEntry) entry;
1694 QEMUResetHandler *func;
1698 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1699 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1700 static int reset_requested;
1701 static int shutdown_requested, shutdown_signal = -1;
1702 static pid_t shutdown_pid;
1703 static int powerdown_requested;
1704 static int debug_requested;
1705 static int suspend_requested;
1706 static int wakeup_requested;
1707 static NotifierList powerdown_notifiers =
1708 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1709 static NotifierList suspend_notifiers =
1710 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1711 static NotifierList wakeup_notifiers =
1712 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1713 static uint32_t wakeup_reason_mask = ~0;
1714 static RunState vmstop_requested = RUN_STATE_MAX;
1716 int qemu_shutdown_requested_get(void)
1718 return shutdown_requested;
1721 int qemu_reset_requested_get(void)
1723 return reset_requested;
1726 static int qemu_shutdown_requested(void)
1728 int r = shutdown_requested;
1729 shutdown_requested = 0;
1733 static void qemu_kill_report(void)
1735 if (!qtest_enabled() && shutdown_signal != -1) {
1736 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1737 if (shutdown_pid == 0) {
1738 /* This happens for eg ^C at the terminal, so it's worth
1739 * avoiding printing an odd message in that case.
1741 fputc('\n', stderr);
1743 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1745 shutdown_signal = -1;
1749 static int qemu_reset_requested(void)
1751 int r = reset_requested;
1752 reset_requested = 0;
1756 static int qemu_suspend_requested(void)
1758 int r = suspend_requested;
1759 suspend_requested = 0;
1763 static int qemu_wakeup_requested(void)
1765 int r = wakeup_requested;
1766 wakeup_requested = 0;
1770 static int qemu_powerdown_requested(void)
1772 int r = powerdown_requested;
1773 powerdown_requested = 0;
1777 static int qemu_debug_requested(void)
1779 int r = debug_requested;
1780 debug_requested = 0;
1784 /* We use RUN_STATE_MAX but any invalid value will do */
1785 static bool qemu_vmstop_requested(RunState *r)
1787 if (vmstop_requested < RUN_STATE_MAX) {
1788 *r = vmstop_requested;
1789 vmstop_requested = RUN_STATE_MAX;
1796 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1798 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1801 re->opaque = opaque;
1802 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1805 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1809 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1810 if (re->func == func && re->opaque == opaque) {
1811 QTAILQ_REMOVE(&reset_handlers, re, entry);
1818 void qemu_devices_reset(void)
1820 QEMUResetEntry *re, *nre;
1822 /* reset all devices */
1823 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1824 re->func(re->opaque);
1828 void qemu_system_reset(bool report)
1830 if (current_machine && current_machine->reset) {
1831 current_machine->reset();
1833 qemu_devices_reset();
1836 monitor_protocol_event(QEVENT_RESET, NULL);
1838 cpu_synchronize_all_post_reset();
1841 void qemu_system_reset_request(void)
1844 shutdown_requested = 1;
1846 reset_requested = 1;
1849 qemu_notify_event();
1852 static void qemu_system_suspend(void)
1855 notifier_list_notify(&suspend_notifiers, NULL);
1856 runstate_set(RUN_STATE_SUSPENDED);
1857 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1860 void qemu_system_suspend_request(void)
1862 if (runstate_check(RUN_STATE_SUSPENDED)) {
1865 suspend_requested = 1;
1867 qemu_notify_event();
1870 void qemu_register_suspend_notifier(Notifier *notifier)
1872 notifier_list_add(&suspend_notifiers, notifier);
1875 void qemu_system_wakeup_request(WakeupReason reason)
1877 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1880 if (!(wakeup_reason_mask & (1 << reason))) {
1883 runstate_set(RUN_STATE_RUNNING);
1884 notifier_list_notify(&wakeup_notifiers, &reason);
1885 wakeup_requested = 1;
1886 qemu_notify_event();
1889 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1892 wakeup_reason_mask |= (1 << reason);
1894 wakeup_reason_mask &= ~(1 << reason);
1898 void qemu_register_wakeup_notifier(Notifier *notifier)
1900 notifier_list_add(&wakeup_notifiers, notifier);
1903 void qemu_system_killed(int signal, pid_t pid)
1905 shutdown_signal = signal;
1908 qemu_system_shutdown_request();
1911 void qemu_system_shutdown_request(void)
1913 shutdown_requested = 1;
1914 qemu_notify_event();
1917 static void qemu_system_powerdown(void)
1919 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1920 notifier_list_notify(&powerdown_notifiers, NULL);
1923 void qemu_system_powerdown_request(void)
1925 powerdown_requested = 1;
1926 qemu_notify_event();
1929 void qemu_register_powerdown_notifier(Notifier *notifier)
1931 notifier_list_add(&powerdown_notifiers, notifier);
1934 void qemu_system_debug_request(void)
1936 debug_requested = 1;
1937 qemu_notify_event();
1940 void qemu_system_vmstop_request(RunState state)
1942 vmstop_requested = state;
1943 qemu_notify_event();
1946 static bool main_loop_should_exit(void)
1949 if (qemu_debug_requested()) {
1950 vm_stop(RUN_STATE_DEBUG);
1952 if (qemu_suspend_requested()) {
1953 qemu_system_suspend();
1955 if (qemu_shutdown_requested()) {
1957 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1959 vm_stop(RUN_STATE_SHUTDOWN);
1964 if (qemu_reset_requested()) {
1966 cpu_synchronize_all_states();
1967 qemu_system_reset(VMRESET_REPORT);
1969 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1970 runstate_check(RUN_STATE_SHUTDOWN)) {
1971 runstate_set(RUN_STATE_PAUSED);
1974 if (qemu_wakeup_requested()) {
1976 cpu_synchronize_all_states();
1977 qemu_system_reset(VMRESET_SILENT);
1979 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1981 if (qemu_powerdown_requested()) {
1982 qemu_system_powerdown();
1984 if (qemu_vmstop_requested(&r)) {
1990 static void main_loop(void)
1994 #ifdef CONFIG_PROFILER
1998 nonblocking = !kvm_enabled() && last_io > 0;
1999 #ifdef CONFIG_PROFILER
2000 ti = profile_getclock();
2002 last_io = main_loop_wait(nonblocking);
2003 #ifdef CONFIG_PROFILER
2004 dev_time += profile_getclock() - ti;
2006 } while (!main_loop_should_exit());
2009 static void version(void)
2011 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2014 static void help(int exitcode)
2017 printf("usage: %s [options] [disk_image]\n\n"
2018 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2019 error_get_progname());
2021 #define QEMU_OPTIONS_GENERATE_HELP
2022 #include "qemu-options-wrapper.h"
2024 printf("\nDuring emulation, the following keys are useful:\n"
2025 "ctrl-alt-f toggle full screen\n"
2026 "ctrl-alt-n switch to virtual console 'n'\n"
2027 "ctrl-alt toggle mouse and keyboard grab\n"
2029 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2034 #define HAS_ARG 0x0001
2036 typedef struct QEMUOption {
2043 static const QEMUOption qemu_options[] = {
2044 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2045 #define QEMU_OPTIONS_GENERATE_OPTIONS
2046 #include "qemu-options-wrapper.h"
2050 static bool vga_available(void)
2052 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2055 static bool cirrus_vga_available(void)
2057 return object_class_by_name("cirrus-vga")
2058 || object_class_by_name("isa-cirrus-vga");
2061 static bool vmware_vga_available(void)
2063 return object_class_by_name("vmware-svga");
2066 static bool qxl_vga_available(void)
2068 return object_class_by_name("qxl-vga");
2071 static void select_vgahw (const char *p)
2075 vga_interface_type = VGA_NONE;
2076 if (strstart(p, "std", &opts)) {
2077 if (vga_available()) {
2078 vga_interface_type = VGA_STD;
2080 fprintf(stderr, "Error: standard VGA not available\n");
2083 } else if (strstart(p, "cirrus", &opts)) {
2084 if (cirrus_vga_available()) {
2085 vga_interface_type = VGA_CIRRUS;
2087 fprintf(stderr, "Error: Cirrus VGA not available\n");
2090 } else if (strstart(p, "vmware", &opts)) {
2091 if (vmware_vga_available()) {
2092 vga_interface_type = VGA_VMWARE;
2094 fprintf(stderr, "Error: VMWare SVGA not available\n");
2097 } else if (strstart(p, "xenfb", &opts)) {
2098 vga_interface_type = VGA_XENFB;
2099 } else if (strstart(p, "qxl", &opts)) {
2100 if (qxl_vga_available()) {
2101 vga_interface_type = VGA_QXL;
2103 fprintf(stderr, "Error: QXL VGA not available\n");
2106 } else if (!strstart(p, "none", &opts)) {
2108 fprintf(stderr, "Unknown vga type: %s\n", p);
2112 const char *nextopt;
2114 if (strstart(opts, ",retrace=", &nextopt)) {
2116 if (strstart(opts, "dumb", &nextopt))
2117 vga_retrace_method = VGA_RETRACE_DUMB;
2118 else if (strstart(opts, "precise", &nextopt))
2119 vga_retrace_method = VGA_RETRACE_PRECISE;
2120 else goto invalid_vga;
2121 } else goto invalid_vga;
2126 static DisplayType select_display(const char *p)
2129 DisplayType display = DT_DEFAULT;
2131 if (strstart(p, "sdl", &opts)) {
2135 const char *nextopt;
2137 if (strstart(opts, ",frame=", &nextopt)) {
2139 if (strstart(opts, "on", &nextopt)) {
2141 } else if (strstart(opts, "off", &nextopt)) {
2144 goto invalid_sdl_args;
2146 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2148 if (strstart(opts, "on", &nextopt)) {
2150 } else if (strstart(opts, "off", &nextopt)) {
2153 goto invalid_sdl_args;
2155 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2157 if (strstart(opts, "on", &nextopt)) {
2159 } else if (strstart(opts, "off", &nextopt)) {
2162 goto invalid_sdl_args;
2164 } else if (strstart(opts, ",window_close=", &nextopt)) {
2166 if (strstart(opts, "on", &nextopt)) {
2168 } else if (strstart(opts, "off", &nextopt)) {
2171 goto invalid_sdl_args;
2175 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2181 fprintf(stderr, "SDL support is disabled\n");
2184 } else if (strstart(p, "vnc", &opts)) {
2189 const char *nextopt;
2191 if (strstart(opts, "=", &nextopt)) {
2192 vnc_display = nextopt;
2196 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2200 fprintf(stderr, "VNC support is disabled\n");
2203 } else if (strstart(p, "curses", &opts)) {
2204 #ifdef CONFIG_CURSES
2205 display = DT_CURSES;
2207 fprintf(stderr, "Curses support is disabled\n");
2210 } else if (strstart(p, "gtk", &opts)) {
2214 fprintf(stderr, "GTK support is disabled\n");
2217 } else if (strstart(p, "none", &opts)) {
2220 fprintf(stderr, "Unknown display type: %s\n", p);
2227 static int balloon_parse(const char *arg)
2231 if (strcmp(arg, "none") == 0) {
2235 if (!strncmp(arg, "virtio", 6)) {
2236 if (arg[6] == ',') {
2237 /* have params -> parse them */
2238 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2242 /* create empty opts */
2243 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2245 qemu_opt_set(opts, "driver", "virtio-balloon");
2252 char *qemu_find_file(int type, const char *name)
2258 /* Try the name as a straight path first */
2259 if (access(name, R_OK) == 0) {
2260 return g_strdup(name);
2263 case QEMU_FILE_TYPE_BIOS:
2266 case QEMU_FILE_TYPE_KEYMAP:
2267 subdir = "keymaps/";
2272 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2273 buf = g_malloc0(len);
2274 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2275 if (access(buf, R_OK)) {
2282 static int device_help_func(QemuOpts *opts, void *opaque)
2284 return qdev_device_help(opts);
2287 static int device_init_func(QemuOpts *opts, void *opaque)
2291 dev = qdev_device_add(opts);
2294 object_unref(OBJECT(dev));
2298 static int chardev_init_func(QemuOpts *opts, void *opaque)
2300 Error *local_err = NULL;
2302 qemu_chr_new_from_opts(opts, NULL, &local_err);
2303 if (error_is_set(&local_err)) {
2304 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2305 error_free(local_err);
2311 #ifdef CONFIG_VIRTFS
2312 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2315 ret = qemu_fsdev_add(opts);
2321 static int mon_init_func(QemuOpts *opts, void *opaque)
2323 CharDriverState *chr;
2324 const char *chardev;
2328 mode = qemu_opt_get(opts, "mode");
2332 if (strcmp(mode, "readline") == 0) {
2333 flags = MONITOR_USE_READLINE;
2334 } else if (strcmp(mode, "control") == 0) {
2335 flags = MONITOR_USE_CONTROL;
2337 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2341 if (qemu_opt_get_bool(opts, "pretty", 0))
2342 flags |= MONITOR_USE_PRETTY;
2344 if (qemu_opt_get_bool(opts, "default", 0))
2345 flags |= MONITOR_IS_DEFAULT;
2347 chardev = qemu_opt_get(opts, "chardev");
2348 chr = qemu_chr_find(chardev);
2350 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2354 monitor_init(chr, flags);
2358 static void monitor_parse(const char *optarg, const char *mode)
2360 static int monitor_device_index = 0;
2366 if (strstart(optarg, "chardev:", &p)) {
2367 snprintf(label, sizeof(label), "%s", p);
2369 snprintf(label, sizeof(label), "compat_monitor%d",
2370 monitor_device_index);
2371 if (monitor_device_index == 0) {
2374 opts = qemu_chr_parse_compat(label, optarg);
2376 fprintf(stderr, "parse error: %s\n", optarg);
2381 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2383 fprintf(stderr, "duplicate chardev: %s\n", label);
2386 qemu_opt_set(opts, "mode", mode);
2387 qemu_opt_set(opts, "chardev", label);
2389 qemu_opt_set(opts, "default", "on");
2390 monitor_device_index++;
2393 struct device_config {
2395 DEV_USB, /* -usbdevice */
2397 DEV_SERIAL, /* -serial */
2398 DEV_PARALLEL, /* -parallel */
2399 DEV_VIRTCON, /* -virtioconsole */
2400 DEV_DEBUGCON, /* -debugcon */
2401 DEV_GDB, /* -gdb, -s */
2402 DEV_SCLP, /* s390 sclp */
2404 const char *cmdline;
2406 QTAILQ_ENTRY(device_config) next;
2409 static QTAILQ_HEAD(, device_config) device_configs =
2410 QTAILQ_HEAD_INITIALIZER(device_configs);
2412 static void add_device_config(int type, const char *cmdline)
2414 struct device_config *conf;
2416 conf = g_malloc0(sizeof(*conf));
2418 conf->cmdline = cmdline;
2419 loc_save(&conf->loc);
2420 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2423 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2425 struct device_config *conf;
2428 QTAILQ_FOREACH(conf, &device_configs, next) {
2429 if (conf->type != type)
2431 loc_push_restore(&conf->loc);
2432 rc = func(conf->cmdline);
2433 loc_pop(&conf->loc);
2440 static int serial_parse(const char *devname)
2442 static int index = 0;
2445 if (strcmp(devname, "none") == 0)
2447 if (index == MAX_SERIAL_PORTS) {
2448 fprintf(stderr, "qemu: too many serial ports\n");
2451 snprintf(label, sizeof(label), "serial%d", index);
2452 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2453 if (!serial_hds[index]) {
2454 fprintf(stderr, "qemu: could not connect serial device"
2455 " to character backend '%s'\n", devname);
2462 static int parallel_parse(const char *devname)
2464 static int index = 0;
2467 if (strcmp(devname, "none") == 0)
2469 if (index == MAX_PARALLEL_PORTS) {
2470 fprintf(stderr, "qemu: too many parallel ports\n");
2473 snprintf(label, sizeof(label), "parallel%d", index);
2474 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2475 if (!parallel_hds[index]) {
2476 fprintf(stderr, "qemu: could not connect parallel device"
2477 " to character backend '%s'\n", devname);
2484 static int virtcon_parse(const char *devname)
2486 QemuOptsList *device = qemu_find_opts("device");
2487 static int index = 0;
2489 QemuOpts *bus_opts, *dev_opts;
2491 if (strcmp(devname, "none") == 0)
2493 if (index == MAX_VIRTIO_CONSOLES) {
2494 fprintf(stderr, "qemu: too many virtio consoles\n");
2498 bus_opts = qemu_opts_create_nofail(device);
2499 if (arch_type == QEMU_ARCH_S390X) {
2500 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2502 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2505 dev_opts = qemu_opts_create_nofail(device);
2506 qemu_opt_set(dev_opts, "driver", "virtconsole");
2508 snprintf(label, sizeof(label), "virtcon%d", index);
2509 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2510 if (!virtcon_hds[index]) {
2511 fprintf(stderr, "qemu: could not connect virtio console"
2512 " to character backend '%s'\n", devname);
2515 qemu_opt_set(dev_opts, "chardev", label);
2521 static int sclp_parse(const char *devname)
2523 QemuOptsList *device = qemu_find_opts("device");
2524 static int index = 0;
2528 if (strcmp(devname, "none") == 0) {
2531 if (index == MAX_SCLP_CONSOLES) {
2532 fprintf(stderr, "qemu: too many sclp consoles\n");
2536 assert(arch_type == QEMU_ARCH_S390X);
2538 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2539 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2541 snprintf(label, sizeof(label), "sclpcon%d", index);
2542 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2543 if (!sclp_hds[index]) {
2544 fprintf(stderr, "qemu: could not connect sclp console"
2545 " to character backend '%s'\n", devname);
2548 qemu_opt_set(dev_opts, "chardev", label);
2554 static int debugcon_parse(const char *devname)
2558 if (!qemu_chr_new("debugcon", devname, NULL)) {
2561 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2563 fprintf(stderr, "qemu: already have a debugcon device\n");
2566 qemu_opt_set(opts, "driver", "isa-debugcon");
2567 qemu_opt_set(opts, "chardev", "debugcon");
2571 static QEMUMachine *machine_parse(const char *name)
2573 QEMUMachine *m, *machine = NULL;
2576 machine = find_machine(name);
2581 printf("Supported machines are:\n");
2582 for (m = first_machine; m != NULL; m = m->next) {
2584 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2586 printf("%-20s %s%s\n", m->name, m->desc,
2587 m->is_default ? " (default)" : "");
2589 exit(!name || !is_help_option(name));
2592 static int tcg_init(void)
2594 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2599 const char *opt_name;
2601 int (*available)(void);
2605 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2606 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2607 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2608 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2611 static int configure_accelerator(void)
2613 const char *p = NULL;
2616 bool accel_initialised = false;
2617 bool init_failed = false;
2619 QemuOptsList *list = qemu_find_opts("machine");
2620 if (!QTAILQ_EMPTY(&list->head)) {
2621 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2625 /* Use the default "accelerator", tcg */
2629 while (!accel_initialised && *p != '\0') {
2633 p = get_opt_name(buf, sizeof (buf), p, ':');
2634 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2635 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2636 if (!accel_list[i].available()) {
2637 printf("%s not supported for this target\n",
2638 accel_list[i].name);
2641 *(accel_list[i].allowed) = true;
2642 ret = accel_list[i].init();
2645 fprintf(stderr, "failed to initialize %s: %s\n",
2648 *(accel_list[i].allowed) = false;
2650 accel_initialised = true;
2655 if (i == ARRAY_SIZE(accel_list)) {
2656 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2660 if (!accel_initialised) {
2662 fprintf(stderr, "No accelerator found!\n");
2668 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2671 return !accel_initialised;
2674 void qemu_add_exit_notifier(Notifier *notify)
2676 notifier_list_add(&exit_notifiers, notify);
2679 void qemu_remove_exit_notifier(Notifier *notify)
2681 notifier_remove(notify);
2684 static void qemu_run_exit_notifiers(void)
2686 notifier_list_notify(&exit_notifiers, NULL);
2689 void qemu_add_machine_init_done_notifier(Notifier *notify)
2691 notifier_list_add(&machine_init_done_notifiers, notify);
2694 static void qemu_run_machine_init_done_notifiers(void)
2696 notifier_list_notify(&machine_init_done_notifiers, NULL);
2699 static const QEMUOption *lookup_opt(int argc, char **argv,
2700 const char **poptarg, int *poptind)
2702 const QEMUOption *popt;
2703 int optind = *poptind;
2704 char *r = argv[optind];
2707 loc_set_cmdline(argv, optind, 1);
2709 /* Treat --foo the same as -foo. */
2712 popt = qemu_options;
2715 error_report("invalid option");
2718 if (!strcmp(popt->name, r + 1))
2722 if (popt->flags & HAS_ARG) {
2723 if (optind >= argc) {
2724 error_report("requires an argument");
2727 optarg = argv[optind++];
2728 loc_set_cmdline(argv, optind - 2, 2);
2739 static gpointer malloc_and_trace(gsize n_bytes)
2741 void *ptr = malloc(n_bytes);
2742 trace_g_malloc(n_bytes, ptr);
2746 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2748 void *ptr = realloc(mem, n_bytes);
2749 trace_g_realloc(mem, n_bytes, ptr);
2753 static void free_and_trace(gpointer mem)
2759 static int object_set_property(const char *name, const char *value, void *opaque)
2761 Object *obj = OBJECT(opaque);
2762 StringInputVisitor *siv;
2763 Error *local_err = NULL;
2765 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2769 siv = string_input_visitor_new(value);
2770 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2771 string_input_visitor_cleanup(siv);
2774 qerror_report_err(local_err);
2775 error_free(local_err);
2782 static int object_create(QemuOpts *opts, void *opaque)
2784 const char *type = qemu_opt_get(opts, "qom-type");
2785 const char *id = qemu_opts_id(opts);
2788 g_assert(type != NULL);
2791 qerror_report(QERR_MISSING_PARAMETER, "id");
2795 obj = object_new(type);
2796 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2800 object_property_add_child(container_get(object_get_root(), "/objects"),
2806 int main(int argc, char **argv, char **envp)
2809 int snapshot, linux_boot;
2810 const char *icount_option = NULL;
2811 const char *initrd_filename;
2812 const char *kernel_filename, *kernel_cmdline;
2813 char boot_devices[33] = "";
2815 int cyls, heads, secs, translation;
2816 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2817 QemuOptsList *olist;
2820 const char *loadvm = NULL;
2821 QEMUMachine *machine;
2822 const char *cpu_model;
2823 const char *vga_model = "none";
2824 const char *pid_file = NULL;
2825 const char *incoming = NULL;
2827 int show_vnc_port = 0;
2829 bool defconfig = true;
2830 bool userconfig = true;
2831 const char *log_mask = NULL;
2832 const char *log_file = NULL;
2833 GMemVTable mem_trace = {
2834 .malloc = malloc_and_trace,
2835 .realloc = realloc_and_trace,
2836 .free = free_and_trace,
2838 const char *trace_events = NULL;
2839 const char *trace_file = NULL;
2841 atexit(qemu_run_exit_notifiers);
2842 error_set_progname(argv[0]);
2844 g_mem_set_vtable(&mem_trace);
2845 if (!g_thread_supported()) {
2846 #if !GLIB_CHECK_VERSION(2, 31, 0)
2847 g_thread_init(NULL);
2849 fprintf(stderr, "glib threading failed to initialize.\n");
2854 module_call_init(MODULE_INIT_QOM);
2856 qemu_add_opts(&qemu_drive_opts);
2857 qemu_add_opts(&qemu_chardev_opts);
2858 qemu_add_opts(&qemu_device_opts);
2859 qemu_add_opts(&qemu_netdev_opts);
2860 qemu_add_opts(&qemu_net_opts);
2861 qemu_add_opts(&qemu_rtc_opts);
2862 qemu_add_opts(&qemu_global_opts);
2863 qemu_add_opts(&qemu_mon_opts);
2864 qemu_add_opts(&qemu_trace_opts);
2865 qemu_add_opts(&qemu_option_rom_opts);
2866 qemu_add_opts(&qemu_machine_opts);
2867 qemu_add_opts(&qemu_boot_opts);
2868 qemu_add_opts(&qemu_sandbox_opts);
2869 qemu_add_opts(&qemu_add_fd_opts);
2870 qemu_add_opts(&qemu_object_opts);
2875 rtc_clock = host_clock;
2877 qemu_cache_utils_init(envp);
2879 QLIST_INIT (&vm_change_state_head);
2880 os_setup_early_signal_handling();
2882 module_call_init(MODULE_INIT_MACHINE);
2883 machine = find_default_machine();
2887 cyls = heads = secs = 0;
2888 translation = BIOS_ATA_TRANSLATION_AUTO;
2890 for (i = 0; i < MAX_NODES; i++) {
2892 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2900 /* first pass of option parsing */
2902 while (optind < argc) {
2903 if (argv[optind][0] != '-') {
2908 const QEMUOption *popt;
2910 popt = lookup_opt(argc, argv, &optarg, &optind);
2911 switch (popt->index) {
2912 case QEMU_OPTION_nodefconfig:
2915 case QEMU_OPTION_nouserconfig:
2924 ret = qemu_read_default_config_files(userconfig);
2930 /* second pass of option parsing */
2935 if (argv[optind][0] != '-') {
2936 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2938 const QEMUOption *popt;
2940 popt = lookup_opt(argc, argv, &optarg, &optind);
2941 if (!(popt->arch_mask & arch_type)) {
2942 printf("Option %s not supported for this target\n", popt->name);
2945 switch(popt->index) {
2947 machine = machine_parse(optarg);
2949 case QEMU_OPTION_no_kvm_irqchip: {
2950 olist = qemu_find_opts("machine");
2951 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2954 case QEMU_OPTION_cpu:
2955 /* hw initialization will check this */
2958 case QEMU_OPTION_hda:
2962 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2964 snprintf(buf, sizeof(buf),
2965 "%s,cyls=%d,heads=%d,secs=%d%s",
2966 HD_OPTS , cyls, heads, secs,
2967 translation == BIOS_ATA_TRANSLATION_LBA ?
2969 translation == BIOS_ATA_TRANSLATION_NONE ?
2970 ",trans=none" : "");
2971 drive_add(IF_DEFAULT, 0, optarg, buf);
2974 case QEMU_OPTION_hdb:
2975 case QEMU_OPTION_hdc:
2976 case QEMU_OPTION_hdd:
2977 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2980 case QEMU_OPTION_drive:
2981 if (drive_def(optarg) == NULL) {
2985 case QEMU_OPTION_set:
2986 if (qemu_set_option(optarg) != 0)
2989 case QEMU_OPTION_global:
2990 if (qemu_global_option(optarg) != 0)
2993 case QEMU_OPTION_mtdblock:
2994 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2996 case QEMU_OPTION_sd:
2997 drive_add(IF_SD, -1, optarg, SD_OPTS);
2999 case QEMU_OPTION_pflash:
3000 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3002 case QEMU_OPTION_snapshot:
3005 case QEMU_OPTION_hdachs:
3009 cyls = strtol(p, (char **)&p, 0);
3010 if (cyls < 1 || cyls > 16383)
3015 heads = strtol(p, (char **)&p, 0);
3016 if (heads < 1 || heads > 16)
3021 secs = strtol(p, (char **)&p, 0);
3022 if (secs < 1 || secs > 63)
3026 if (!strcmp(p, "none"))
3027 translation = BIOS_ATA_TRANSLATION_NONE;
3028 else if (!strcmp(p, "lba"))
3029 translation = BIOS_ATA_TRANSLATION_LBA;
3030 else if (!strcmp(p, "auto"))
3031 translation = BIOS_ATA_TRANSLATION_AUTO;
3034 } else if (*p != '\0') {
3036 fprintf(stderr, "qemu: invalid physical CHS format\n");
3039 if (hda_opts != NULL) {
3041 snprintf(num, sizeof(num), "%d", cyls);
3042 qemu_opt_set(hda_opts, "cyls", num);
3043 snprintf(num, sizeof(num), "%d", heads);
3044 qemu_opt_set(hda_opts, "heads", num);
3045 snprintf(num, sizeof(num), "%d", secs);
3046 qemu_opt_set(hda_opts, "secs", num);
3047 if (translation == BIOS_ATA_TRANSLATION_LBA)
3048 qemu_opt_set(hda_opts, "trans", "lba");
3049 if (translation == BIOS_ATA_TRANSLATION_NONE)
3050 qemu_opt_set(hda_opts, "trans", "none");
3054 case QEMU_OPTION_numa:
3057 case QEMU_OPTION_display:
3058 display_type = select_display(optarg);
3060 case QEMU_OPTION_nographic:
3061 display_type = DT_NOGRAPHIC;
3063 case QEMU_OPTION_curses:
3064 #ifdef CONFIG_CURSES
3065 display_type = DT_CURSES;
3067 fprintf(stderr, "Curses support is disabled\n");
3071 case QEMU_OPTION_portrait:
3072 graphic_rotate = 90;
3074 case QEMU_OPTION_rotate:
3075 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3076 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3077 graphic_rotate != 180 && graphic_rotate != 270) {
3079 "qemu: only 90, 180, 270 deg rotation is available\n");
3083 case QEMU_OPTION_kernel:
3084 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3086 case QEMU_OPTION_initrd:
3087 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3089 case QEMU_OPTION_append:
3090 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3092 case QEMU_OPTION_dtb:
3093 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3095 case QEMU_OPTION_cdrom:
3096 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3098 case QEMU_OPTION_boot:
3100 static const char * const params[] = {
3101 "order", "once", "menu",
3102 "splash", "splash-time",
3103 "reboot-timeout", NULL
3105 char buf[sizeof(boot_devices)];
3106 char *standard_boot_devices;
3109 if (!strchr(optarg, '=')) {
3111 pstrcpy(buf, sizeof(buf), optarg);
3112 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3114 "qemu: unknown boot parameter '%s' in '%s'\n",
3120 get_param_value(buf, sizeof(buf), "order", optarg)) {
3121 validate_bootdevices(buf);
3122 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3125 if (get_param_value(buf, sizeof(buf),
3127 validate_bootdevices(buf);
3128 standard_boot_devices = g_strdup(boot_devices);
3129 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3130 qemu_register_reset(restore_boot_devices,
3131 standard_boot_devices);
3133 if (get_param_value(buf, sizeof(buf),
3135 if (!strcmp(buf, "on")) {
3137 } else if (!strcmp(buf, "off")) {
3141 "qemu: invalid option value '%s'\n",
3146 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3153 case QEMU_OPTION_fda:
3154 case QEMU_OPTION_fdb:
3155 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3158 case QEMU_OPTION_no_fd_bootchk:
3161 case QEMU_OPTION_netdev:
3162 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3166 case QEMU_OPTION_net:
3167 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3171 #ifdef CONFIG_LIBISCSI
3172 case QEMU_OPTION_iscsi:
3173 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3180 case QEMU_OPTION_tftp:
3181 legacy_tftp_prefix = optarg;
3183 case QEMU_OPTION_bootp:
3184 legacy_bootp_filename = optarg;
3186 case QEMU_OPTION_redir:
3187 if (net_slirp_redir(optarg) < 0)
3191 case QEMU_OPTION_bt:
3192 add_device_config(DEV_BT, optarg);
3194 case QEMU_OPTION_audio_help:
3195 if (!(audio_available())) {
3196 printf("Option %s not supported for this target\n", popt->name);
3202 case QEMU_OPTION_soundhw:
3203 if (!(audio_available())) {
3204 printf("Option %s not supported for this target\n", popt->name);
3207 select_soundhw (optarg);
3212 case QEMU_OPTION_version:
3216 case QEMU_OPTION_m: {
3221 value = strtosz(optarg, &end);
3222 if (value < 0 || *end) {
3223 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3226 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3228 if (ram_size != sz) {
3229 fprintf(stderr, "qemu: ram size too large\n");
3234 case QEMU_OPTION_mempath:
3238 case QEMU_OPTION_mem_prealloc:
3249 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3251 case QEMU_OPTION_gdb:
3252 add_device_config(DEV_GDB, optarg);
3257 case QEMU_OPTION_bios:
3260 case QEMU_OPTION_singlestep:
3267 keyboard_layout = optarg;
3269 case QEMU_OPTION_localtime:
3272 case QEMU_OPTION_vga:
3281 w = strtol(p, (char **)&p, 10);
3284 fprintf(stderr, "qemu: invalid resolution or depth\n");
3290 h = strtol(p, (char **)&p, 10);
3295 depth = strtol(p, (char **)&p, 10);
3296 if (depth != 8 && depth != 15 && depth != 16 &&
3297 depth != 24 && depth != 32)
3299 } else if (*p == '\0') {
3300 depth = graphic_depth;
3307 graphic_depth = depth;
3310 case QEMU_OPTION_echr:
3313 term_escape_char = strtol(optarg, &r, 0);
3315 printf("Bad argument to echr\n");
3318 case QEMU_OPTION_monitor:
3319 monitor_parse(optarg, "readline");
3320 default_monitor = 0;
3322 case QEMU_OPTION_qmp:
3323 monitor_parse(optarg, "control");
3324 default_monitor = 0;
3326 case QEMU_OPTION_mon:
3327 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3331 default_monitor = 0;
3333 case QEMU_OPTION_chardev:
3334 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3339 case QEMU_OPTION_fsdev:
3340 olist = qemu_find_opts("fsdev");
3342 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3345 opts = qemu_opts_parse(olist, optarg, 1);
3350 case QEMU_OPTION_virtfs: {
3353 const char *writeout, *sock_fd, *socket;
3355 olist = qemu_find_opts("virtfs");
3357 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3360 opts = qemu_opts_parse(olist, optarg, 1);
3365 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3366 qemu_opt_get(opts, "mount_tag") == NULL) {
3367 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3370 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3371 qemu_opt_get(opts, "mount_tag"),
3374 fprintf(stderr, "duplicate fsdev id: %s\n",
3375 qemu_opt_get(opts, "mount_tag"));
3379 writeout = qemu_opt_get(opts, "writeout");
3381 #ifdef CONFIG_SYNC_FILE_RANGE
3382 qemu_opt_set(fsdev, "writeout", writeout);
3384 fprintf(stderr, "writeout=immediate not supported on "
3389 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3390 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3391 qemu_opt_set(fsdev, "security_model",
3392 qemu_opt_get(opts, "security_model"));
3393 socket = qemu_opt_get(opts, "socket");
3395 qemu_opt_set(fsdev, "socket", socket);
3397 sock_fd = qemu_opt_get(opts, "sock_fd");
3399 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3402 qemu_opt_set_bool(fsdev, "readonly",
3403 qemu_opt_get_bool(opts, "readonly", 0));
3404 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3405 qemu_opt_set(device, "driver", "virtio-9p-pci");
3406 qemu_opt_set(device, "fsdev",
3407 qemu_opt_get(opts, "mount_tag"));
3408 qemu_opt_set(device, "mount_tag",
3409 qemu_opt_get(opts, "mount_tag"));
3412 case QEMU_OPTION_virtfs_synth: {
3416 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3419 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3422 qemu_opt_set(fsdev, "fsdriver", "synth");
3424 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3425 qemu_opt_set(device, "driver", "virtio-9p-pci");
3426 qemu_opt_set(device, "fsdev", "v_synth");
3427 qemu_opt_set(device, "mount_tag", "v_synth");
3430 case QEMU_OPTION_serial:
3431 add_device_config(DEV_SERIAL, optarg);
3433 if (strncmp(optarg, "mon:", 4) == 0) {
3434 default_monitor = 0;
3437 case QEMU_OPTION_watchdog:
3440 "qemu: only one watchdog option may be given\n");
3445 case QEMU_OPTION_watchdog_action:
3446 if (select_watchdog_action(optarg) == -1) {
3447 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3451 case QEMU_OPTION_virtiocon:
3452 add_device_config(DEV_VIRTCON, optarg);
3453 default_virtcon = 0;
3454 if (strncmp(optarg, "mon:", 4) == 0) {
3455 default_monitor = 0;
3458 case QEMU_OPTION_parallel:
3459 add_device_config(DEV_PARALLEL, optarg);
3460 default_parallel = 0;
3461 if (strncmp(optarg, "mon:", 4) == 0) {
3462 default_monitor = 0;
3465 case QEMU_OPTION_debugcon:
3466 add_device_config(DEV_DEBUGCON, optarg);
3468 case QEMU_OPTION_loadvm:
3471 case QEMU_OPTION_full_screen:
3475 case QEMU_OPTION_no_frame:
3478 case QEMU_OPTION_alt_grab:
3481 case QEMU_OPTION_ctrl_grab:
3484 case QEMU_OPTION_no_quit:
3487 case QEMU_OPTION_sdl:
3488 display_type = DT_SDL;
3491 case QEMU_OPTION_no_frame:
3492 case QEMU_OPTION_alt_grab:
3493 case QEMU_OPTION_ctrl_grab:
3494 case QEMU_OPTION_no_quit:
3495 case QEMU_OPTION_sdl:
3496 fprintf(stderr, "SDL support is disabled\n");
3499 case QEMU_OPTION_pidfile:
3502 case QEMU_OPTION_win2k_hack:
3503 win2k_install_hack = 1;
3505 case QEMU_OPTION_rtc_td_hack: {
3506 static GlobalProperty slew_lost_ticks[] = {
3508 .driver = "mc146818rtc",
3509 .property = "lost_tick_policy",
3512 { /* end of list */ }
3515 qdev_prop_register_global_list(slew_lost_ticks);
3518 case QEMU_OPTION_acpitable:
3519 do_acpitable_option(optarg);
3521 case QEMU_OPTION_smbios:
3522 do_smbios_option(optarg);
3524 case QEMU_OPTION_enable_kvm:
3525 olist = qemu_find_opts("machine");
3526 qemu_opts_parse(olist, "accel=kvm", 0);
3528 case QEMU_OPTION_machine:
3529 olist = qemu_find_opts("machine");
3530 opts = qemu_opts_parse(olist, optarg, 1);
3534 optarg = qemu_opt_get(opts, "type");
3536 machine = machine_parse(optarg);
3539 case QEMU_OPTION_no_kvm:
3540 olist = qemu_find_opts("machine");
3541 qemu_opts_parse(olist, "accel=tcg", 0);
3543 case QEMU_OPTION_no_kvm_pit: {
3544 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3548 case QEMU_OPTION_no_kvm_pit_reinjection: {
3549 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3551 .driver = "kvm-pit",
3552 .property = "lost_tick_policy",
3555 { /* end of list */ }
3558 fprintf(stderr, "Warning: option deprecated, use "
3559 "lost_tick_policy property of kvm-pit instead.\n");
3560 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3563 case QEMU_OPTION_usb:
3564 olist = qemu_find_opts("machine");
3565 qemu_opts_parse(olist, "usb=on", 0);
3567 case QEMU_OPTION_usbdevice:
3568 olist = qemu_find_opts("machine");
3569 qemu_opts_parse(olist, "usb=on", 0);
3570 add_device_config(DEV_USB, optarg);
3572 case QEMU_OPTION_device:
3573 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3577 case QEMU_OPTION_smp:
3580 fprintf(stderr, "Invalid number of CPUs\n");
3583 if (max_cpus < smp_cpus) {
3584 fprintf(stderr, "maxcpus must be equal to or greater than "
3588 if (max_cpus > 255) {
3589 fprintf(stderr, "Unsupported number of maxcpus\n");
3593 case QEMU_OPTION_vnc:
3596 vnc_display = optarg;
3598 fprintf(stderr, "VNC support is disabled\n");
3602 case QEMU_OPTION_no_acpi:
3605 case QEMU_OPTION_no_hpet:
3608 case QEMU_OPTION_balloon:
3609 if (balloon_parse(optarg) < 0) {
3610 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3614 case QEMU_OPTION_no_reboot:
3617 case QEMU_OPTION_no_shutdown:
3620 case QEMU_OPTION_show_cursor:
3623 case QEMU_OPTION_uuid:
3624 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3625 fprintf(stderr, "Fail to parse UUID string."
3626 " Wrong format.\n");
3630 case QEMU_OPTION_option_rom:
3631 if (nb_option_roms >= MAX_OPTION_ROMS) {
3632 fprintf(stderr, "Too many option ROMs\n");
3635 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3639 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3640 option_rom[nb_option_roms].bootindex =
3641 qemu_opt_get_number(opts, "bootindex", -1);
3642 if (!option_rom[nb_option_roms].name) {
3643 fprintf(stderr, "Option ROM file is not specified\n");
3648 case QEMU_OPTION_semihosting:
3649 semihosting_enabled = 1;
3651 case QEMU_OPTION_tdf:
3652 fprintf(stderr, "Warning: user space PIT time drift fix "
3653 "is no longer supported.\n");
3655 case QEMU_OPTION_name:
3656 qemu_name = g_strdup(optarg);
3658 char *p = strchr(qemu_name, ',');
3661 if (strncmp(p, "process=", 8)) {
3662 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3666 os_set_proc_name(p);
3670 case QEMU_OPTION_prom_env:
3671 if (nb_prom_envs >= MAX_PROM_ENVS) {
3672 fprintf(stderr, "Too many prom variables\n");
3675 prom_envs[nb_prom_envs] = optarg;
3678 case QEMU_OPTION_old_param:
3681 case QEMU_OPTION_clock:
3682 configure_alarms(optarg);
3684 case QEMU_OPTION_startdate:
3685 configure_rtc_date_offset(optarg, 1);
3687 case QEMU_OPTION_rtc:
3688 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3692 configure_rtc(opts);
3694 case QEMU_OPTION_tb_size:
3695 tcg_tb_size = strtol(optarg, NULL, 0);
3696 if (tcg_tb_size < 0) {
3700 case QEMU_OPTION_icount:
3701 icount_option = optarg;
3703 case QEMU_OPTION_incoming:
3705 runstate_set(RUN_STATE_INMIGRATE);
3707 case QEMU_OPTION_nodefaults:
3709 default_parallel = 0;
3710 default_virtcon = 0;
3712 default_monitor = 0;
3719 case QEMU_OPTION_xen_domid:
3720 if (!(xen_available())) {
3721 printf("Option %s not supported for this target\n", popt->name);
3724 xen_domid = atoi(optarg);
3726 case QEMU_OPTION_xen_create:
3727 if (!(xen_available())) {
3728 printf("Option %s not supported for this target\n", popt->name);
3731 xen_mode = XEN_CREATE;
3733 case QEMU_OPTION_xen_attach:
3734 if (!(xen_available())) {
3735 printf("Option %s not supported for this target\n", popt->name);
3738 xen_mode = XEN_ATTACH;
3740 case QEMU_OPTION_trace:
3742 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3746 trace_events = qemu_opt_get(opts, "events");
3747 trace_file = qemu_opt_get(opts, "file");
3750 case QEMU_OPTION_readconfig:
3752 int ret = qemu_read_config_file(optarg);
3754 fprintf(stderr, "read config %s: %s\n", optarg,
3760 case QEMU_OPTION_spice:
3761 olist = qemu_find_opts("spice");
3763 fprintf(stderr, "spice is not supported by this qemu build.\n");
3766 opts = qemu_opts_parse(olist, optarg, 0);
3772 case QEMU_OPTION_writeconfig:
3775 if (strcmp(optarg, "-") == 0) {
3778 fp = fopen(optarg, "w");
3780 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3784 qemu_config_write(fp);
3788 case QEMU_OPTION_qtest:
3789 qtest_chrdev = optarg;
3791 case QEMU_OPTION_qtest_log:
3794 case QEMU_OPTION_sandbox:
3795 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3800 case QEMU_OPTION_add_fd:
3802 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3807 error_report("File descriptor passing is disabled on this "
3812 case QEMU_OPTION_object:
3813 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3819 os_parse_cmd_args(popt->index, optarg);
3825 if (qemu_init_main_loop()) {
3826 fprintf(stderr, "qemu_init_main_loop failed\n");
3830 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3835 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3839 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3844 if (machine == NULL) {
3845 fprintf(stderr, "No machine found.\n");
3849 if (machine->hw_version) {
3850 qemu_set_version(machine->hw_version);
3853 if (qemu_opts_foreach(qemu_find_opts("object"),
3854 object_create, NULL, 0) != 0) {
3858 /* Init CPU def lists, based on config
3859 * - Must be called after all the qemu_read_config_file() calls
3860 * - Must be called before list_cpus()
3861 * - Must be called before machine->init()
3865 if (cpu_model && is_help_option(cpu_model)) {
3866 list_cpus(stdout, &fprintf, cpu_model);
3870 /* Open the logfile at this point, if necessary. We can't open the logfile
3871 * when encountering either of the logging options (-d or -D) because the
3872 * other one may be encountered later on the command line, changing the
3873 * location or level of logging.
3878 qemu_set_log_filename(log_file);
3881 mask = qemu_str_to_log_mask(log_mask);
3883 qemu_print_log_usage(stdout);
3889 if (!trace_backend_init(trace_events, trace_file)) {
3893 /* If no data_dir is specified then try to find it relative to the
3896 data_dir = os_find_datadir(argv[0]);
3898 /* If all else fails use the install path specified when building. */
3900 data_dir = CONFIG_QEMU_DATADIR;
3904 * Default to max_cpus = smp_cpus, in case the user doesn't
3905 * specify a max_cpus value.
3908 max_cpus = smp_cpus;
3910 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3911 if (smp_cpus > machine->max_cpus) {
3912 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3913 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3919 * Get the default machine options from the machine if it is not already
3920 * specified either by the configuration file or by the command line.
3922 if (machine->default_machine_opts) {
3923 qemu_opts_set_defaults(qemu_find_opts("machine"),
3924 machine->default_machine_opts, 0);
3927 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3928 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3930 if (machine->no_serial) {
3933 if (machine->no_parallel) {
3934 default_parallel = 0;
3936 if (!machine->use_virtcon) {
3937 default_virtcon = 0;
3939 if (!machine->use_sclp) {
3942 if (machine->no_floppy) {
3945 if (machine->no_cdrom) {
3948 if (machine->no_sdcard) {
3952 if (is_daemonized()) {
3953 /* According to documentation and historically, -nographic redirects
3954 * serial port, parallel port and monitor to stdio, which does not work
3955 * with -daemonize. We can redirect these to null instead, but since
3956 * -nographic is legacy, let's just error out.
3957 * We disallow -nographic only if all other ports are not redirected
3958 * explicitly, to not break existing legacy setups which uses
3959 * -nographic _and_ redirects all ports explicitly - this is valid
3960 * usage, -nographic is just a no-op in this case.
3962 if (display_type == DT_NOGRAPHIC
3963 && (default_parallel || default_serial
3964 || default_monitor || default_virtcon)) {
3965 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3968 #ifdef CONFIG_CURSES
3969 if (display_type == DT_CURSES) {
3970 fprintf(stderr, "curses display can not be used with -daemonize\n");
3976 if (display_type == DT_NOGRAPHIC) {
3977 if (default_parallel)
3978 add_device_config(DEV_PARALLEL, "null");
3979 if (default_serial && default_monitor) {
3980 add_device_config(DEV_SERIAL, "mon:stdio");
3981 } else if (default_virtcon && default_monitor) {
3982 add_device_config(DEV_VIRTCON, "mon:stdio");
3983 } else if (default_sclp && default_monitor) {
3984 add_device_config(DEV_SCLP, "mon:stdio");
3987 add_device_config(DEV_SERIAL, "stdio");
3988 if (default_virtcon)
3989 add_device_config(DEV_VIRTCON, "stdio");
3991 add_device_config(DEV_SCLP, "stdio");
3993 if (default_monitor)
3994 monitor_parse("stdio", "readline");
3998 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3999 if (default_parallel)
4000 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4001 if (default_monitor)
4002 monitor_parse("vc:80Cx24C", "readline");
4003 if (default_virtcon)
4004 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4006 add_device_config(DEV_SCLP, "vc:80Cx24C");
4010 if (display_type == DT_DEFAULT && !display_remote) {
4011 #if defined(CONFIG_GTK)
4012 display_type = DT_GTK;
4013 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4014 display_type = DT_SDL;
4015 #elif defined(CONFIG_VNC)
4016 vnc_display = "localhost:0,to=99";
4019 display_type = DT_NONE;
4023 #if defined(CONFIG_GTK)
4024 if (display_type == DT_GTK) {
4025 early_gtk_display_init();
4031 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4033 #ifdef CONFIG_VIRTFS
4034 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4041 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4046 /* init the memory */
4047 if (ram_size == 0) {
4048 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4051 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4056 configure_accelerator();
4058 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4060 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4061 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4062 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4064 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4067 if (!kernel_cmdline) {
4068 kernel_cmdline = "";
4071 linux_boot = (kernel_filename != NULL);
4073 if (!linux_boot && *kernel_cmdline != '\0') {
4074 fprintf(stderr, "-append only allowed with -kernel option\n");
4078 if (!linux_boot && initrd_filename != NULL) {
4079 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4083 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4084 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4088 os_set_line_buffering();
4090 qemu_init_cpu_loop();
4091 qemu_mutex_lock_iothread();
4094 /* spice needs the timers to be initialized by this point */
4098 if (icount_option && (kvm_enabled() || xen_enabled())) {
4099 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4102 configure_icount(icount_option);
4104 /* clean up network at qemu process termination */
4105 atexit(&net_cleanup);
4107 if (net_init_clients() < 0) {
4111 /* init the bluetooth world */
4112 if (foreach_device_config(DEV_BT, bt_parse))
4115 if (!xen_enabled()) {
4116 /* On 32-bit hosts, QEMU is limited by virtual address space */
4117 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4118 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4123 cpu_exec_init_all();
4125 bdrv_init_with_whitelist();
4129 /* open the virtual block devices */
4131 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4132 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4133 &machine->block_default_type, 1) != 0) {
4137 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4139 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4140 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4142 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4144 if (nb_numa_nodes > 0) {
4147 if (nb_numa_nodes > MAX_NODES) {
4148 nb_numa_nodes = MAX_NODES;
4151 /* If no memory size if given for any node, assume the default case
4152 * and distribute the available memory equally across all nodes
4154 for (i = 0; i < nb_numa_nodes; i++) {
4155 if (node_mem[i] != 0)
4158 if (i == nb_numa_nodes) {
4159 uint64_t usedmem = 0;
4161 /* On Linux, the each node's border has to be 8MB aligned,
4162 * the final node gets the rest.
4164 for (i = 0; i < nb_numa_nodes - 1; i++) {
4165 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4166 usedmem += node_mem[i];
4168 node_mem[i] = ram_size - usedmem;
4171 for (i = 0; i < nb_numa_nodes; i++) {
4172 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4176 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4177 * must cope with this anyway, because there are BIOSes out there in
4178 * real machines which also use this scheme.
4180 if (i == nb_numa_nodes) {
4181 for (i = 0; i < max_cpus; i++) {
4182 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4187 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4191 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4193 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4195 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4197 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4200 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4203 /* If no default VGA is requested, the default is "none". */
4205 if (cirrus_vga_available()) {
4206 vga_model = "cirrus";
4207 } else if (vga_available()) {
4211 select_vgahw(vga_model);
4214 i = select_watchdog(watchdog);
4216 exit (i == 1 ? 1 : 0);
4219 if (machine->compat_props) {
4220 qdev_prop_register_global_list(machine->compat_props);
4224 qdev_machine_init();
4226 QEMUMachineInitArgs args = { .ram_size = ram_size,
4227 .boot_device = (boot_devices[0] == '\0') ?
4228 machine->boot_order :
4230 .kernel_filename = kernel_filename,
4231 .kernel_cmdline = kernel_cmdline,
4232 .initrd_filename = initrd_filename,
4233 .cpu_model = cpu_model };
4234 machine->init(&args);
4236 cpu_synchronize_all_post_init();
4240 current_machine = machine;
4242 /* init USB devices */
4243 if (usb_enabled(false)) {
4244 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4248 /* init generic devices */
4249 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4252 net_check_clients();
4254 /* just use the first displaystate for the moment */
4255 ds = get_displaystate();
4257 /* init local displays */
4258 switch (display_type) {
4261 #if defined(CONFIG_CURSES)
4263 curses_display_init(ds, full_screen);
4266 #if defined(CONFIG_SDL)
4268 sdl_display_init(ds, full_screen, no_frame);
4270 #elif defined(CONFIG_COCOA)
4272 cocoa_display_init(ds, full_screen);
4275 #if defined(CONFIG_GTK)
4277 gtk_display_init(ds);
4284 /* must be after terminal init, SDL library changes signal handlers */
4285 os_setup_signal_handling();
4288 /* init remote displays */
4290 Error *local_err = NULL;
4291 vnc_display_init(ds);
4292 vnc_display_open(ds, vnc_display, &local_err);
4293 if (local_err != NULL) {
4294 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4295 vnc_display, error_get_pretty(local_err));
4296 error_free(local_err);
4300 if (show_vnc_port) {
4301 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4306 if (using_spice && !qxl_enabled) {
4307 qemu_spice_display_init(ds);
4312 text_consoles_set_display(ds);
4314 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4318 qdev_machine_creation_done();
4320 if (rom_load_all() != 0) {
4321 fprintf(stderr, "rom loading failed\n");
4325 /* TODO: once all bus devices are qdevified, this should be done
4326 * when bus is created by qdev.c */
4327 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4328 qemu_run_machine_init_done_notifiers();
4330 qemu_system_reset(VMRESET_SILENT);
4332 if (load_vmstate(loadvm) < 0) {
4338 Error *local_err = NULL;
4339 qemu_start_incoming_migration(incoming, &local_err);
4341 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4342 error_free(local_err);
4345 } else if (autostart) {