gtk: Fix mouse warping with gtk3
[qemu.git] / vl.c
blob1feb0ff433030d330352fe003bc67146d5f54a0e
1 /*
2 * QEMU System Emulator
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
22 * THE SOFTWARE.
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
31 #include "config-host.h"
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv, NULL);
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
59 #include <glib.h>
61 #include "hw/hw.h"
62 #include "hw/boards.h"
63 #include "hw/usb.h"
64 #include "hw/pcmcia.h"
65 #include "hw/i386/pc.h"
66 #include "hw/isa/isa.h"
67 #include "hw/bt.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/i386/smbios.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/cache-utils.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
106 #include "qemu/sockets.h"
108 #include "slirp/libslirp.h"
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
185 typedef struct FWBootEntry FWBootEntry;
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
197 int nb_numa_nodes;
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
201 uint8_t qemu_uuid[16];
202 bool qemu_uuid_set;
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213 static bool tcg_allowed = true;
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
292 .name = "file",
293 .type = QEMU_OPT_STRING,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
382 .name = "kvm-type",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 { /* End of list */ }
390 static QemuOptsList qemu_boot_opts = {
391 .name = "boot-opts",
392 .implied_opt_name = "order",
393 .merge_lists = true,
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
395 .desc = {
397 .name = "order",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "once",
401 .type = QEMU_OPT_STRING,
402 }, {
403 .name = "menu",
404 .type = QEMU_OPT_BOOL,
405 }, {
406 .name = "splash",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "strict",
416 .type = QEMU_OPT_BOOL,
418 { /*End of list */ }
422 static QemuOptsList qemu_add_fd_opts = {
423 .name = "add-fd",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
425 .desc = {
427 .name = "fd",
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
431 .name = "set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
435 .name = "opaque",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
439 { /* end of list */ }
443 static QemuOptsList qemu_object_opts = {
444 .name = "object",
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
447 .desc = {
452 static QemuOptsList qemu_tpmdev_opts = {
453 .name = "tpmdev",
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 .desc = {
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
462 static QemuOptsList qemu_realtime_opts = {
463 .name = "realtime",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
465 .desc = {
467 .name = "mlock",
468 .type = QEMU_OPT_BOOL,
470 { /* end of list */ }
474 static QemuOptsList qemu_msg_opts = {
475 .name = "msg",
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
477 .desc = {
479 .name = "timestamp",
480 .type = QEMU_OPT_BOOL,
482 { /* end of list */ }
486 static QemuOptsList qemu_name_opts = {
487 .name = "name",
488 .implied_opt_name = "guest",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
491 .desc = {
493 .name = "guest",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
498 }, {
499 .name = "process",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
502 }, {
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
507 "stable API.",
509 { /* End of list */ }
514 * Get machine options
516 * Returns: machine options (never null).
518 QemuOpts *qemu_get_machine_opts(void)
520 QemuOptsList *list;
521 QemuOpts *opts;
523 list = qemu_find_opts("machine");
524 assert(list);
525 opts = qemu_opts_find(list, NULL);
526 if (!opts) {
527 opts = qemu_opts_create(list, NULL, 0, &error_abort);
529 return opts;
532 const char *qemu_get_vm_name(void)
534 return qemu_name;
537 static void res_free(void)
539 if (boot_splash_filedata != NULL) {
540 g_free(boot_splash_filedata);
541 boot_splash_filedata = NULL;
545 static int default_driver_check(QemuOpts *opts, void *opaque)
547 const char *driver = qemu_opt_get(opts, "driver");
548 int i;
550 if (!driver)
551 return 0;
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
554 continue;
555 *(default_list[i].flag) = 0;
557 return 0;
560 /***********************************************************/
561 /* QEMU state */
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
585 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
591 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
594 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
597 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
599 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
600 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
603 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
605 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
607 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
608 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
610 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
612 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
613 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
616 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
617 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
618 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
621 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_MAX, RUN_STATE_MAX },
629 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
631 bool runstate_check(RunState state)
633 return current_run_state == state;
636 static void runstate_init(void)
638 const RunStateTransition *p;
640 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
642 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
643 runstate_valid_transitions[p->from][p->to] = true;
647 /* This function will abort() on invalid state transitions */
648 void runstate_set(RunState new_state)
650 assert(new_state < RUN_STATE_MAX);
652 if (!runstate_valid_transitions[current_run_state][new_state]) {
653 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
654 RunState_lookup[current_run_state],
655 RunState_lookup[new_state]);
656 abort();
658 trace_runstate_set(new_state);
659 current_run_state = new_state;
662 int runstate_is_running(void)
664 return runstate_check(RUN_STATE_RUNNING);
667 bool runstate_needs_reset(void)
669 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
670 runstate_check(RUN_STATE_SHUTDOWN);
673 StatusInfo *qmp_query_status(Error **errp)
675 StatusInfo *info = g_malloc0(sizeof(*info));
677 info->running = runstate_is_running();
678 info->singlestep = singlestep;
679 info->status = current_run_state;
681 return info;
684 /***********************************************************/
685 /* real time host monotonic timer */
687 /***********************************************************/
688 /* host time/date access */
689 void qemu_get_timedate(struct tm *tm, int offset)
691 time_t ti;
693 time(&ti);
694 ti += offset;
695 if (rtc_date_offset == -1) {
696 if (rtc_utc)
697 gmtime_r(&ti, tm);
698 else
699 localtime_r(&ti, tm);
700 } else {
701 ti -= rtc_date_offset;
702 gmtime_r(&ti, tm);
706 int qemu_timedate_diff(struct tm *tm)
708 time_t seconds;
710 if (rtc_date_offset == -1)
711 if (rtc_utc)
712 seconds = mktimegm(tm);
713 else {
714 struct tm tmp = *tm;
715 tmp.tm_isdst = -1; /* use timezone to figure it out */
716 seconds = mktime(&tmp);
718 else
719 seconds = mktimegm(tm) + rtc_date_offset;
721 return seconds - time(NULL);
724 void rtc_change_mon_event(struct tm *tm)
726 QObject *data;
728 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
729 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
730 qobject_decref(data);
733 static void configure_rtc_date_offset(const char *startdate, int legacy)
735 time_t rtc_start_date;
736 struct tm tm;
738 if (!strcmp(startdate, "now") && legacy) {
739 rtc_date_offset = -1;
740 } else {
741 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
742 &tm.tm_year,
743 &tm.tm_mon,
744 &tm.tm_mday,
745 &tm.tm_hour,
746 &tm.tm_min,
747 &tm.tm_sec) == 6) {
748 /* OK */
749 } else if (sscanf(startdate, "%d-%d-%d",
750 &tm.tm_year,
751 &tm.tm_mon,
752 &tm.tm_mday) == 3) {
753 tm.tm_hour = 0;
754 tm.tm_min = 0;
755 tm.tm_sec = 0;
756 } else {
757 goto date_fail;
759 tm.tm_year -= 1900;
760 tm.tm_mon--;
761 rtc_start_date = mktimegm(&tm);
762 if (rtc_start_date == -1) {
763 date_fail:
764 fprintf(stderr, "Invalid date format. Valid formats are:\n"
765 "'2006-06-17T16:01:21' or '2006-06-17'\n");
766 exit(1);
768 rtc_date_offset = time(NULL) - rtc_start_date;
772 static void configure_rtc(QemuOpts *opts)
774 const char *value;
776 value = qemu_opt_get(opts, "base");
777 if (value) {
778 if (!strcmp(value, "utc")) {
779 rtc_utc = 1;
780 } else if (!strcmp(value, "localtime")) {
781 rtc_utc = 0;
782 } else {
783 configure_rtc_date_offset(value, 0);
786 value = qemu_opt_get(opts, "clock");
787 if (value) {
788 if (!strcmp(value, "host")) {
789 rtc_clock = QEMU_CLOCK_HOST;
790 } else if (!strcmp(value, "rt")) {
791 rtc_clock = QEMU_CLOCK_REALTIME;
792 } else if (!strcmp(value, "vm")) {
793 rtc_clock = QEMU_CLOCK_VIRTUAL;
794 } else {
795 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
796 exit(1);
799 value = qemu_opt_get(opts, "driftfix");
800 if (value) {
801 if (!strcmp(value, "slew")) {
802 static GlobalProperty slew_lost_ticks[] = {
804 .driver = "mc146818rtc",
805 .property = "lost_tick_policy",
806 .value = "slew",
808 { /* end of list */ }
811 qdev_prop_register_global_list(slew_lost_ticks);
812 } else if (!strcmp(value, "none")) {
813 /* discard is default */
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
821 /***********************************************************/
822 /* Bluetooth support */
823 static int nb_hcis;
824 static int cur_hci;
825 static struct HCIInfo *hci_table[MAX_NICS];
827 struct HCIInfo *qemu_next_hci(void)
829 if (cur_hci == nb_hcis)
830 return &null_hci;
832 return hci_table[cur_hci++];
835 static int bt_hci_parse(const char *str)
837 struct HCIInfo *hci;
838 bdaddr_t bdaddr;
840 if (nb_hcis >= MAX_NICS) {
841 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
842 return -1;
845 hci = hci_init(str);
846 if (!hci)
847 return -1;
849 bdaddr.b[0] = 0x52;
850 bdaddr.b[1] = 0x54;
851 bdaddr.b[2] = 0x00;
852 bdaddr.b[3] = 0x12;
853 bdaddr.b[4] = 0x34;
854 bdaddr.b[5] = 0x56 + nb_hcis;
855 hci->bdaddr_set(hci, bdaddr.b);
857 hci_table[nb_hcis++] = hci;
859 return 0;
862 static void bt_vhci_add(int vlan_id)
864 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
866 if (!vlan->slave)
867 fprintf(stderr, "qemu: warning: adding a VHCI to "
868 "an empty scatternet %i\n", vlan_id);
870 bt_vhci_init(bt_new_hci(vlan));
873 static struct bt_device_s *bt_device_add(const char *opt)
875 struct bt_scatternet_s *vlan;
876 int vlan_id = 0;
877 char *endp = strstr(opt, ",vlan=");
878 int len = (endp ? endp - opt : strlen(opt)) + 1;
879 char devname[10];
881 pstrcpy(devname, MIN(sizeof(devname), len), opt);
883 if (endp) {
884 vlan_id = strtol(endp + 6, &endp, 0);
885 if (*endp) {
886 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
887 return 0;
891 vlan = qemu_find_bt_vlan(vlan_id);
893 if (!vlan->slave)
894 fprintf(stderr, "qemu: warning: adding a slave device to "
895 "an empty scatternet %i\n", vlan_id);
897 if (!strcmp(devname, "keyboard"))
898 return bt_keyboard_init(vlan);
900 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
901 return 0;
904 static int bt_parse(const char *opt)
906 const char *endp, *p;
907 int vlan;
909 if (strstart(opt, "hci", &endp)) {
910 if (!*endp || *endp == ',') {
911 if (*endp)
912 if (!strstart(endp, ",vlan=", 0))
913 opt = endp + 1;
915 return bt_hci_parse(opt);
917 } else if (strstart(opt, "vhci", &endp)) {
918 if (!*endp || *endp == ',') {
919 if (*endp) {
920 if (strstart(endp, ",vlan=", &p)) {
921 vlan = strtol(p, (char **) &endp, 0);
922 if (*endp) {
923 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
924 return 1;
926 } else {
927 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
928 return 1;
930 } else
931 vlan = 0;
933 bt_vhci_add(vlan);
934 return 0;
936 } else if (strstart(opt, "device:", &endp))
937 return !bt_device_add(endp);
939 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
940 return 1;
943 static int parse_sandbox(QemuOpts *opts, void *opaque)
945 /* FIXME: change this to true for 1.3 */
946 if (qemu_opt_get_bool(opts, "enable", false)) {
947 #ifdef CONFIG_SECCOMP
948 if (seccomp_start() < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR,
950 "failed to install seccomp syscall filter in the kernel");
951 return -1;
953 #else
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "sandboxing request but seccomp is not compiled into this build");
956 return -1;
957 #endif
960 return 0;
963 static void parse_name(QemuOpts *opts)
965 const char *proc_name;
967 if (qemu_opt_get(opts, "debug-threads")) {
968 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
970 qemu_name = qemu_opt_get(opts, "guest");
972 proc_name = qemu_opt_get(opts, "process");
973 if (proc_name) {
974 os_set_proc_name(proc_name);
978 bool usb_enabled(bool default_usb)
980 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
981 has_defaults && default_usb);
984 #ifndef _WIN32
985 static int parse_add_fd(QemuOpts *opts, void *opaque)
987 int fd, dupfd, flags;
988 int64_t fdset_id;
989 const char *fd_opaque = NULL;
991 fd = qemu_opt_get_number(opts, "fd", -1);
992 fdset_id = qemu_opt_get_number(opts, "set", -1);
993 fd_opaque = qemu_opt_get(opts, "opaque");
995 if (fd < 0) {
996 qerror_report(ERROR_CLASS_GENERIC_ERROR,
997 "fd option is required and must be non-negative");
998 return -1;
1001 if (fd <= STDERR_FILENO) {
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1003 "fd cannot be a standard I/O stream");
1004 return -1;
1008 * All fds inherited across exec() necessarily have FD_CLOEXEC
1009 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1011 flags = fcntl(fd, F_GETFD);
1012 if (flags == -1 || (flags & FD_CLOEXEC)) {
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1014 "fd is not valid or already in use");
1015 return -1;
1018 if (fdset_id < 0) {
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1020 "set option is required and must be non-negative");
1021 return -1;
1024 #ifdef F_DUPFD_CLOEXEC
1025 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1026 #else
1027 dupfd = dup(fd);
1028 if (dupfd != -1) {
1029 qemu_set_cloexec(dupfd);
1031 #endif
1032 if (dupfd == -1) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "Error duplicating fd: %s", strerror(errno));
1035 return -1;
1038 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1039 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1040 fd_opaque, NULL);
1042 return 0;
1045 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1047 int fd;
1049 fd = qemu_opt_get_number(opts, "fd", -1);
1050 close(fd);
1052 return 0;
1054 #endif
1056 /***********************************************************/
1057 /* QEMU Block devices */
1059 #define HD_OPTS "media=disk"
1060 #define CDROM_OPTS "media=cdrom"
1061 #define FD_OPTS ""
1062 #define PFLASH_OPTS ""
1063 #define MTD_OPTS ""
1064 #define SD_OPTS ""
1066 static int drive_init_func(QemuOpts *opts, void *opaque)
1068 BlockInterfaceType *block_default_type = opaque;
1070 return drive_init(opts, *block_default_type) == NULL;
1073 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1075 if (NULL == qemu_opt_get(opts, "snapshot")) {
1076 qemu_opt_set(opts, "snapshot", "on");
1078 return 0;
1081 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1082 int index, const char *optstr)
1084 QemuOpts *opts;
1086 if (!enable || drive_get_by_index(type, index)) {
1087 return;
1090 opts = drive_add(type, index, NULL, optstr);
1091 if (snapshot) {
1092 drive_enable_snapshot(opts, NULL);
1094 if (!drive_init(opts, type)) {
1095 exit(1);
1099 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1101 boot_set_handler = func;
1102 boot_set_opaque = opaque;
1105 int qemu_boot_set(const char *boot_order)
1107 if (!boot_set_handler) {
1108 return -EINVAL;
1110 return boot_set_handler(boot_set_opaque, boot_order);
1113 static void validate_bootdevices(const char *devices)
1115 /* We just do some generic consistency checks */
1116 const char *p;
1117 int bitmap = 0;
1119 for (p = devices; *p != '\0'; p++) {
1120 /* Allowed boot devices are:
1121 * a-b: floppy disk drives
1122 * c-f: IDE disk drives
1123 * g-m: machine implementation dependent drives
1124 * n-p: network devices
1125 * It's up to each machine implementation to check if the given boot
1126 * devices match the actual hardware implementation and firmware
1127 * features.
1129 if (*p < 'a' || *p > 'p') {
1130 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1131 exit(1);
1133 if (bitmap & (1 << (*p - 'a'))) {
1134 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1135 exit(1);
1137 bitmap |= 1 << (*p - 'a');
1141 static void restore_boot_order(void *opaque)
1143 char *normal_boot_order = opaque;
1144 static int first = 1;
1146 /* Restore boot order and remove ourselves after the first boot */
1147 if (first) {
1148 first = 0;
1149 return;
1152 qemu_boot_set(normal_boot_order);
1154 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1155 g_free(normal_boot_order);
1158 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1159 const char *suffix)
1161 FWBootEntry *node, *i;
1163 if (bootindex < 0) {
1164 return;
1167 assert(dev != NULL || suffix != NULL);
1169 node = g_malloc0(sizeof(FWBootEntry));
1170 node->bootindex = bootindex;
1171 node->suffix = g_strdup(suffix);
1172 node->dev = dev;
1174 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1175 if (i->bootindex == bootindex) {
1176 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1177 exit(1);
1178 } else if (i->bootindex < bootindex) {
1179 continue;
1181 QTAILQ_INSERT_BEFORE(i, node, link);
1182 return;
1184 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1187 DeviceState *get_boot_device(uint32_t position)
1189 uint32_t counter = 0;
1190 FWBootEntry *i = NULL;
1191 DeviceState *res = NULL;
1193 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1194 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1195 if (counter == position) {
1196 res = i->dev;
1197 break;
1199 counter++;
1202 return res;
1206 * This function returns null terminated string that consist of new line
1207 * separated device paths.
1209 * memory pointed by "size" is assigned total length of the array in bytes
1212 char *get_boot_devices_list(size_t *size)
1214 FWBootEntry *i;
1215 size_t total = 0;
1216 char *list = NULL;
1218 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1219 char *devpath = NULL, *bootpath;
1220 size_t len;
1222 if (i->dev) {
1223 devpath = qdev_get_fw_dev_path(i->dev);
1224 assert(devpath);
1227 if (i->suffix && devpath) {
1228 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1230 bootpath = g_malloc(bootpathlen);
1231 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1232 g_free(devpath);
1233 } else if (devpath) {
1234 bootpath = devpath;
1235 } else {
1236 assert(i->suffix);
1237 bootpath = g_strdup(i->suffix);
1240 if (total) {
1241 list[total-1] = '\n';
1243 len = strlen(bootpath) + 1;
1244 list = g_realloc(list, total + len);
1245 memcpy(&list[total], bootpath, len);
1246 total += len;
1247 g_free(bootpath);
1250 *size = total;
1252 if (boot_strict && *size > 0) {
1253 list[total-1] = '\n';
1254 list = g_realloc(list, total + 5);
1255 memcpy(&list[total], "HALT", 5);
1256 *size = total + 5;
1258 return list;
1261 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1263 char *endptr;
1264 unsigned long long value, endvalue;
1266 /* Empty CPU range strings will be considered valid, they will simply
1267 * not set any bit in the CPU bitmap.
1269 if (!*cpus) {
1270 return;
1273 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1274 goto error;
1276 if (*endptr == '-') {
1277 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1278 goto error;
1280 } else if (*endptr == '\0') {
1281 endvalue = value;
1282 } else {
1283 goto error;
1286 if (endvalue >= MAX_CPUMASK_BITS) {
1287 endvalue = MAX_CPUMASK_BITS - 1;
1288 fprintf(stderr,
1289 "qemu: NUMA: A max of %d VCPUs are supported\n",
1290 MAX_CPUMASK_BITS);
1293 if (endvalue < value) {
1294 goto error;
1297 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1298 return;
1300 error:
1301 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1302 exit(1);
1305 static void numa_add(const char *optarg)
1307 char option[128];
1308 char *endptr;
1309 unsigned long long nodenr;
1311 optarg = get_opt_name(option, 128, optarg, ',');
1312 if (*optarg == ',') {
1313 optarg++;
1315 if (!strcmp(option, "node")) {
1317 if (nb_numa_nodes >= MAX_NODES) {
1318 fprintf(stderr, "qemu: too many NUMA nodes\n");
1319 exit(1);
1322 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1323 nodenr = nb_numa_nodes;
1324 } else {
1325 if (parse_uint_full(option, &nodenr, 10) < 0) {
1326 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1327 exit(1);
1331 if (nodenr >= MAX_NODES) {
1332 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1333 exit(1);
1336 if (get_param_value(option, 128, "mem", optarg) == 0) {
1337 node_mem[nodenr] = 0;
1338 } else {
1339 int64_t sval;
1340 sval = strtosz(option, &endptr);
1341 if (sval < 0 || *endptr) {
1342 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1343 exit(1);
1345 node_mem[nodenr] = sval;
1347 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1348 numa_node_parse_cpus(nodenr, option);
1350 nb_numa_nodes++;
1351 } else {
1352 fprintf(stderr, "Invalid -numa option: %s\n", option);
1353 exit(1);
1357 static QemuOptsList qemu_smp_opts = {
1358 .name = "smp-opts",
1359 .implied_opt_name = "cpus",
1360 .merge_lists = true,
1361 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1362 .desc = {
1364 .name = "cpus",
1365 .type = QEMU_OPT_NUMBER,
1366 }, {
1367 .name = "sockets",
1368 .type = QEMU_OPT_NUMBER,
1369 }, {
1370 .name = "cores",
1371 .type = QEMU_OPT_NUMBER,
1372 }, {
1373 .name = "threads",
1374 .type = QEMU_OPT_NUMBER,
1375 }, {
1376 .name = "maxcpus",
1377 .type = QEMU_OPT_NUMBER,
1379 { /*End of list */ }
1383 static void smp_parse(QemuOpts *opts)
1385 if (opts) {
1387 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1388 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1389 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1390 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1392 /* compute missing values, prefer sockets over cores over threads */
1393 if (cpus == 0 || sockets == 0) {
1394 sockets = sockets > 0 ? sockets : 1;
1395 cores = cores > 0 ? cores : 1;
1396 threads = threads > 0 ? threads : 1;
1397 if (cpus == 0) {
1398 cpus = cores * threads * sockets;
1400 } else {
1401 if (cores == 0) {
1402 threads = threads > 0 ? threads : 1;
1403 cores = cpus / (sockets * threads);
1404 } else {
1405 threads = cpus / (cores * sockets);
1409 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1411 smp_cpus = cpus;
1412 smp_cores = cores > 0 ? cores : 1;
1413 smp_threads = threads > 0 ? threads : 1;
1417 if (max_cpus == 0) {
1418 max_cpus = smp_cpus;
1421 if (max_cpus > 255) {
1422 fprintf(stderr, "Unsupported number of maxcpus\n");
1423 exit(1);
1425 if (max_cpus < smp_cpus) {
1426 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1427 exit(1);
1432 static void configure_realtime(QemuOpts *opts)
1434 bool enable_mlock;
1436 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1438 if (enable_mlock) {
1439 if (os_mlock() < 0) {
1440 fprintf(stderr, "qemu: locking memory failed\n");
1441 exit(1);
1447 static void configure_msg(QemuOpts *opts)
1449 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1452 /***********************************************************/
1453 /* USB devices */
1455 static int usb_device_add(const char *devname)
1457 USBDevice *dev = NULL;
1458 #ifndef CONFIG_LINUX
1459 const char *p;
1460 #endif
1462 if (!usb_enabled(false)) {
1463 return -1;
1466 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1467 dev = usbdevice_create(devname);
1468 if (dev)
1469 goto done;
1471 /* the other ones */
1472 #ifndef CONFIG_LINUX
1473 /* only the linux version is qdev-ified, usb-bsd still needs this */
1474 if (strstart(devname, "host:", &p)) {
1475 dev = usb_host_device_open(usb_bus_find(-1), p);
1477 #endif
1478 if (!dev)
1479 return -1;
1481 done:
1482 return 0;
1485 static int usb_device_del(const char *devname)
1487 int bus_num, addr;
1488 const char *p;
1490 if (strstart(devname, "host:", &p)) {
1491 return -1;
1494 if (!usb_enabled(false)) {
1495 return -1;
1498 p = strchr(devname, '.');
1499 if (!p)
1500 return -1;
1501 bus_num = strtoul(devname, NULL, 0);
1502 addr = strtoul(p + 1, NULL, 0);
1504 return usb_device_delete_addr(bus_num, addr);
1507 static int usb_parse(const char *cmdline)
1509 int r;
1510 r = usb_device_add(cmdline);
1511 if (r < 0) {
1512 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1514 return r;
1517 void do_usb_add(Monitor *mon, const QDict *qdict)
1519 const char *devname = qdict_get_str(qdict, "devname");
1520 if (usb_device_add(devname) < 0) {
1521 error_report("could not add USB device '%s'", devname);
1525 void do_usb_del(Monitor *mon, const QDict *qdict)
1527 const char *devname = qdict_get_str(qdict, "devname");
1528 if (usb_device_del(devname) < 0) {
1529 error_report("could not delete USB device '%s'", devname);
1533 /***********************************************************/
1534 /* PCMCIA/Cardbus */
1536 static struct pcmcia_socket_entry_s {
1537 PCMCIASocket *socket;
1538 struct pcmcia_socket_entry_s *next;
1539 } *pcmcia_sockets = 0;
1541 void pcmcia_socket_register(PCMCIASocket *socket)
1543 struct pcmcia_socket_entry_s *entry;
1545 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1546 entry->socket = socket;
1547 entry->next = pcmcia_sockets;
1548 pcmcia_sockets = entry;
1551 void pcmcia_socket_unregister(PCMCIASocket *socket)
1553 struct pcmcia_socket_entry_s *entry, **ptr;
1555 ptr = &pcmcia_sockets;
1556 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1557 if (entry->socket == socket) {
1558 *ptr = entry->next;
1559 g_free(entry);
1563 void pcmcia_info(Monitor *mon, const QDict *qdict)
1565 struct pcmcia_socket_entry_s *iter;
1567 if (!pcmcia_sockets)
1568 monitor_printf(mon, "No PCMCIA sockets\n");
1570 for (iter = pcmcia_sockets; iter; iter = iter->next)
1571 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1572 iter->socket->attached ? iter->socket->card_string :
1573 "Empty");
1576 /***********************************************************/
1577 /* machine registration */
1579 MachineState *current_machine;
1581 static void machine_class_init(ObjectClass *oc, void *data)
1583 MachineClass *mc = MACHINE_CLASS(oc);
1585 mc->qemu_machine = data;
1588 int qemu_register_machine(QEMUMachine *m)
1590 TypeInfo ti = {
1591 .name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL),
1592 .parent = TYPE_MACHINE,
1593 .class_init = machine_class_init,
1594 .class_data = (void *)m,
1597 type_register(&ti);
1599 return 0;
1602 static MachineClass *find_machine(const char *name)
1604 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1605 MachineClass *mc = NULL;
1607 for (el = machines; el; el = el->next) {
1608 MachineClass *temp = el->data;
1610 if (!strcmp(temp->qemu_machine->name, name)) {
1611 mc = temp;
1612 break;
1614 if (temp->qemu_machine->alias &&
1615 !strcmp(temp->qemu_machine->alias, name)) {
1616 mc = temp;
1617 break;
1621 g_slist_free(machines);
1622 return mc;
1625 MachineClass *find_default_machine(void)
1627 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1628 MachineClass *mc = NULL;
1630 for (el = machines; el; el = el->next) {
1631 MachineClass *temp = el->data;
1633 if (temp->qemu_machine->is_default) {
1634 mc = temp;
1635 break;
1639 g_slist_free(machines);
1640 return mc;
1643 MachineInfoList *qmp_query_machines(Error **errp)
1645 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1646 MachineInfoList *mach_list = NULL;
1647 QEMUMachine *m;
1649 for (el = machines; el; el = el->next) {
1650 MachineClass *mc = el->data;
1651 MachineInfoList *entry;
1652 MachineInfo *info;
1654 m = mc->qemu_machine;
1655 info = g_malloc0(sizeof(*info));
1656 if (m->is_default) {
1657 info->has_is_default = true;
1658 info->is_default = true;
1661 if (m->alias) {
1662 info->has_alias = true;
1663 info->alias = g_strdup(m->alias);
1666 info->name = g_strdup(m->name);
1667 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1669 entry = g_malloc0(sizeof(*entry));
1670 entry->value = info;
1671 entry->next = mach_list;
1672 mach_list = entry;
1675 g_slist_free(machines);
1676 return mach_list;
1679 /***********************************************************/
1680 /* main execution loop */
1682 struct vm_change_state_entry {
1683 VMChangeStateHandler *cb;
1684 void *opaque;
1685 QLIST_ENTRY (vm_change_state_entry) entries;
1688 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1690 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1691 void *opaque)
1693 VMChangeStateEntry *e;
1695 e = g_malloc0(sizeof (*e));
1697 e->cb = cb;
1698 e->opaque = opaque;
1699 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1700 return e;
1703 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1705 QLIST_REMOVE (e, entries);
1706 g_free (e);
1709 void vm_state_notify(int running, RunState state)
1711 VMChangeStateEntry *e;
1713 trace_vm_state_notify(running, state);
1715 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1716 e->cb(e->opaque, running, state);
1720 void vm_start(void)
1722 if (!runstate_is_running()) {
1723 cpu_enable_ticks();
1724 runstate_set(RUN_STATE_RUNNING);
1725 vm_state_notify(1, RUN_STATE_RUNNING);
1726 resume_all_vcpus();
1727 monitor_protocol_event(QEVENT_RESUME, NULL);
1731 /* reset/shutdown handler */
1733 typedef struct QEMUResetEntry {
1734 QTAILQ_ENTRY(QEMUResetEntry) entry;
1735 QEMUResetHandler *func;
1736 void *opaque;
1737 } QEMUResetEntry;
1739 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1740 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1741 static int reset_requested;
1742 static int shutdown_requested, shutdown_signal = -1;
1743 static pid_t shutdown_pid;
1744 static int powerdown_requested;
1745 static int debug_requested;
1746 static int suspend_requested;
1747 static WakeupReason wakeup_reason;
1748 static NotifierList powerdown_notifiers =
1749 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1750 static NotifierList suspend_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1752 static NotifierList wakeup_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1754 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1755 static RunState vmstop_requested = RUN_STATE_MAX;
1757 int qemu_shutdown_requested_get(void)
1759 return shutdown_requested;
1762 int qemu_reset_requested_get(void)
1764 return reset_requested;
1767 static int qemu_shutdown_requested(void)
1769 int r = shutdown_requested;
1770 shutdown_requested = 0;
1771 return r;
1774 static void qemu_kill_report(void)
1776 if (!qtest_driver() && shutdown_signal != -1) {
1777 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1778 if (shutdown_pid == 0) {
1779 /* This happens for eg ^C at the terminal, so it's worth
1780 * avoiding printing an odd message in that case.
1782 fputc('\n', stderr);
1783 } else {
1784 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1786 shutdown_signal = -1;
1790 static int qemu_reset_requested(void)
1792 int r = reset_requested;
1793 reset_requested = 0;
1794 return r;
1797 static int qemu_suspend_requested(void)
1799 int r = suspend_requested;
1800 suspend_requested = 0;
1801 return r;
1804 static WakeupReason qemu_wakeup_requested(void)
1806 return wakeup_reason;
1809 static int qemu_powerdown_requested(void)
1811 int r = powerdown_requested;
1812 powerdown_requested = 0;
1813 return r;
1816 static int qemu_debug_requested(void)
1818 int r = debug_requested;
1819 debug_requested = 0;
1820 return r;
1823 /* We use RUN_STATE_MAX but any invalid value will do */
1824 static bool qemu_vmstop_requested(RunState *r)
1826 if (vmstop_requested < RUN_STATE_MAX) {
1827 *r = vmstop_requested;
1828 vmstop_requested = RUN_STATE_MAX;
1829 return true;
1832 return false;
1835 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1837 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1839 re->func = func;
1840 re->opaque = opaque;
1841 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1844 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1846 QEMUResetEntry *re;
1848 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1849 if (re->func == func && re->opaque == opaque) {
1850 QTAILQ_REMOVE(&reset_handlers, re, entry);
1851 g_free(re);
1852 return;
1857 void qemu_devices_reset(void)
1859 QEMUResetEntry *re, *nre;
1861 /* reset all devices */
1862 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1863 re->func(re->opaque);
1867 void qemu_system_reset(bool report)
1869 MachineClass *mc;
1871 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1873 if (mc && mc->qemu_machine->reset) {
1874 mc->qemu_machine->reset();
1875 } else {
1876 qemu_devices_reset();
1878 if (report) {
1879 monitor_protocol_event(QEVENT_RESET, NULL);
1881 cpu_synchronize_all_post_reset();
1884 void qemu_system_reset_request(void)
1886 if (no_reboot) {
1887 shutdown_requested = 1;
1888 } else {
1889 reset_requested = 1;
1891 cpu_stop_current();
1892 qemu_notify_event();
1895 static void qemu_system_suspend(void)
1897 pause_all_vcpus();
1898 notifier_list_notify(&suspend_notifiers, NULL);
1899 runstate_set(RUN_STATE_SUSPENDED);
1900 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1903 void qemu_system_suspend_request(void)
1905 if (runstate_check(RUN_STATE_SUSPENDED)) {
1906 return;
1908 suspend_requested = 1;
1909 cpu_stop_current();
1910 qemu_notify_event();
1913 void qemu_register_suspend_notifier(Notifier *notifier)
1915 notifier_list_add(&suspend_notifiers, notifier);
1918 void qemu_system_wakeup_request(WakeupReason reason)
1920 trace_system_wakeup_request(reason);
1922 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1923 return;
1925 if (!(wakeup_reason_mask & (1 << reason))) {
1926 return;
1928 runstate_set(RUN_STATE_RUNNING);
1929 wakeup_reason = reason;
1930 qemu_notify_event();
1933 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1935 if (enabled) {
1936 wakeup_reason_mask |= (1 << reason);
1937 } else {
1938 wakeup_reason_mask &= ~(1 << reason);
1942 void qemu_register_wakeup_notifier(Notifier *notifier)
1944 notifier_list_add(&wakeup_notifiers, notifier);
1947 void qemu_system_killed(int signal, pid_t pid)
1949 shutdown_signal = signal;
1950 shutdown_pid = pid;
1951 no_shutdown = 0;
1952 qemu_system_shutdown_request();
1955 void qemu_system_shutdown_request(void)
1957 shutdown_requested = 1;
1958 qemu_notify_event();
1961 static void qemu_system_powerdown(void)
1963 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1964 notifier_list_notify(&powerdown_notifiers, NULL);
1967 void qemu_system_powerdown_request(void)
1969 powerdown_requested = 1;
1970 qemu_notify_event();
1973 void qemu_register_powerdown_notifier(Notifier *notifier)
1975 notifier_list_add(&powerdown_notifiers, notifier);
1978 void qemu_system_debug_request(void)
1980 debug_requested = 1;
1981 qemu_notify_event();
1984 void qemu_system_vmstop_request(RunState state)
1986 vmstop_requested = state;
1987 qemu_notify_event();
1990 static bool main_loop_should_exit(void)
1992 RunState r;
1993 if (qemu_debug_requested()) {
1994 vm_stop(RUN_STATE_DEBUG);
1996 if (qemu_suspend_requested()) {
1997 qemu_system_suspend();
1999 if (qemu_shutdown_requested()) {
2000 qemu_kill_report();
2001 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2002 if (no_shutdown) {
2003 vm_stop(RUN_STATE_SHUTDOWN);
2004 } else {
2005 return true;
2008 if (qemu_reset_requested()) {
2009 pause_all_vcpus();
2010 cpu_synchronize_all_states();
2011 qemu_system_reset(VMRESET_REPORT);
2012 resume_all_vcpus();
2013 if (runstate_needs_reset()) {
2014 runstate_set(RUN_STATE_PAUSED);
2017 if (qemu_wakeup_requested()) {
2018 pause_all_vcpus();
2019 cpu_synchronize_all_states();
2020 qemu_system_reset(VMRESET_SILENT);
2021 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2022 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2023 resume_all_vcpus();
2024 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2026 if (qemu_powerdown_requested()) {
2027 qemu_system_powerdown();
2029 if (qemu_vmstop_requested(&r)) {
2030 vm_stop(r);
2032 return false;
2035 static void main_loop(void)
2037 bool nonblocking;
2038 int last_io = 0;
2039 #ifdef CONFIG_PROFILER
2040 int64_t ti;
2041 #endif
2042 do {
2043 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2044 #ifdef CONFIG_PROFILER
2045 ti = profile_getclock();
2046 #endif
2047 last_io = main_loop_wait(nonblocking);
2048 #ifdef CONFIG_PROFILER
2049 dev_time += profile_getclock() - ti;
2050 #endif
2051 } while (!main_loop_should_exit());
2054 static void version(void)
2056 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2059 static void help(int exitcode)
2061 version();
2062 printf("usage: %s [options] [disk_image]\n\n"
2063 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2064 error_get_progname());
2066 #define QEMU_OPTIONS_GENERATE_HELP
2067 #include "qemu-options-wrapper.h"
2069 printf("\nDuring emulation, the following keys are useful:\n"
2070 "ctrl-alt-f toggle full screen\n"
2071 "ctrl-alt-n switch to virtual console 'n'\n"
2072 "ctrl-alt toggle mouse and keyboard grab\n"
2073 "\n"
2074 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2076 exit(exitcode);
2079 #define HAS_ARG 0x0001
2081 typedef struct QEMUOption {
2082 const char *name;
2083 int flags;
2084 int index;
2085 uint32_t arch_mask;
2086 } QEMUOption;
2088 static const QEMUOption qemu_options[] = {
2089 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2090 #define QEMU_OPTIONS_GENERATE_OPTIONS
2091 #include "qemu-options-wrapper.h"
2092 { NULL },
2095 static bool vga_available(void)
2097 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2100 static bool cirrus_vga_available(void)
2102 return object_class_by_name("cirrus-vga")
2103 || object_class_by_name("isa-cirrus-vga");
2106 static bool vmware_vga_available(void)
2108 return object_class_by_name("vmware-svga");
2111 static bool qxl_vga_available(void)
2113 return object_class_by_name("qxl-vga");
2116 static bool tcx_vga_available(void)
2118 return object_class_by_name("SUNW,tcx");
2121 static bool cg3_vga_available(void)
2123 return object_class_by_name("cgthree");
2126 static void select_vgahw (const char *p)
2128 const char *opts;
2130 assert(vga_interface_type == VGA_NONE);
2131 if (strstart(p, "std", &opts)) {
2132 if (vga_available()) {
2133 vga_interface_type = VGA_STD;
2134 } else {
2135 fprintf(stderr, "Error: standard VGA not available\n");
2136 exit(0);
2138 } else if (strstart(p, "cirrus", &opts)) {
2139 if (cirrus_vga_available()) {
2140 vga_interface_type = VGA_CIRRUS;
2141 } else {
2142 fprintf(stderr, "Error: Cirrus VGA not available\n");
2143 exit(0);
2145 } else if (strstart(p, "vmware", &opts)) {
2146 if (vmware_vga_available()) {
2147 vga_interface_type = VGA_VMWARE;
2148 } else {
2149 fprintf(stderr, "Error: VMWare SVGA not available\n");
2150 exit(0);
2152 } else if (strstart(p, "xenfb", &opts)) {
2153 vga_interface_type = VGA_XENFB;
2154 } else if (strstart(p, "qxl", &opts)) {
2155 if (qxl_vga_available()) {
2156 vga_interface_type = VGA_QXL;
2157 } else {
2158 fprintf(stderr, "Error: QXL VGA not available\n");
2159 exit(0);
2161 } else if (strstart(p, "tcx", &opts)) {
2162 if (tcx_vga_available()) {
2163 vga_interface_type = VGA_TCX;
2164 } else {
2165 fprintf(stderr, "Error: TCX framebuffer not available\n");
2166 exit(0);
2168 } else if (strstart(p, "cg3", &opts)) {
2169 if (cg3_vga_available()) {
2170 vga_interface_type = VGA_CG3;
2171 } else {
2172 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2173 exit(0);
2175 } else if (!strstart(p, "none", &opts)) {
2176 invalid_vga:
2177 fprintf(stderr, "Unknown vga type: %s\n", p);
2178 exit(1);
2180 while (*opts) {
2181 const char *nextopt;
2183 if (strstart(opts, ",retrace=", &nextopt)) {
2184 opts = nextopt;
2185 if (strstart(opts, "dumb", &nextopt))
2186 vga_retrace_method = VGA_RETRACE_DUMB;
2187 else if (strstart(opts, "precise", &nextopt))
2188 vga_retrace_method = VGA_RETRACE_PRECISE;
2189 else goto invalid_vga;
2190 } else goto invalid_vga;
2191 opts = nextopt;
2195 static DisplayType select_display(const char *p)
2197 const char *opts;
2198 DisplayType display = DT_DEFAULT;
2200 if (strstart(p, "sdl", &opts)) {
2201 #ifdef CONFIG_SDL
2202 display = DT_SDL;
2203 while (*opts) {
2204 const char *nextopt;
2206 if (strstart(opts, ",frame=", &nextopt)) {
2207 opts = nextopt;
2208 if (strstart(opts, "on", &nextopt)) {
2209 no_frame = 0;
2210 } else if (strstart(opts, "off", &nextopt)) {
2211 no_frame = 1;
2212 } else {
2213 goto invalid_sdl_args;
2215 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2216 opts = nextopt;
2217 if (strstart(opts, "on", &nextopt)) {
2218 alt_grab = 1;
2219 } else if (strstart(opts, "off", &nextopt)) {
2220 alt_grab = 0;
2221 } else {
2222 goto invalid_sdl_args;
2224 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2225 opts = nextopt;
2226 if (strstart(opts, "on", &nextopt)) {
2227 ctrl_grab = 1;
2228 } else if (strstart(opts, "off", &nextopt)) {
2229 ctrl_grab = 0;
2230 } else {
2231 goto invalid_sdl_args;
2233 } else if (strstart(opts, ",window_close=", &nextopt)) {
2234 opts = nextopt;
2235 if (strstart(opts, "on", &nextopt)) {
2236 no_quit = 0;
2237 } else if (strstart(opts, "off", &nextopt)) {
2238 no_quit = 1;
2239 } else {
2240 goto invalid_sdl_args;
2242 } else {
2243 invalid_sdl_args:
2244 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2245 exit(1);
2247 opts = nextopt;
2249 #else
2250 fprintf(stderr, "SDL support is disabled\n");
2251 exit(1);
2252 #endif
2253 } else if (strstart(p, "vnc", &opts)) {
2254 #ifdef CONFIG_VNC
2255 display_remote++;
2257 if (*opts) {
2258 const char *nextopt;
2260 if (strstart(opts, "=", &nextopt)) {
2261 vnc_display = nextopt;
2264 if (!vnc_display) {
2265 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2266 exit(1);
2268 #else
2269 fprintf(stderr, "VNC support is disabled\n");
2270 exit(1);
2271 #endif
2272 } else if (strstart(p, "curses", &opts)) {
2273 #ifdef CONFIG_CURSES
2274 display = DT_CURSES;
2275 #else
2276 fprintf(stderr, "Curses support is disabled\n");
2277 exit(1);
2278 #endif
2279 } else if (strstart(p, "gtk", &opts)) {
2280 #ifdef CONFIG_GTK
2281 display = DT_GTK;
2282 while (*opts) {
2283 const char *nextopt;
2285 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2286 opts = nextopt;
2287 if (strstart(opts, "on", &nextopt)) {
2288 grab_on_hover = true;
2289 } else if (strstart(opts, "off", &nextopt)) {
2290 grab_on_hover = false;
2291 } else {
2292 goto invalid_gtk_args;
2294 } else {
2295 invalid_gtk_args:
2296 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2297 exit(1);
2299 opts = nextopt;
2301 #else
2302 fprintf(stderr, "GTK support is disabled\n");
2303 exit(1);
2304 #endif
2305 } else if (strstart(p, "none", &opts)) {
2306 display = DT_NONE;
2307 } else {
2308 fprintf(stderr, "Unknown display type: %s\n", p);
2309 exit(1);
2312 return display;
2315 static int balloon_parse(const char *arg)
2317 QemuOpts *opts;
2319 if (strcmp(arg, "none") == 0) {
2320 return 0;
2323 if (!strncmp(arg, "virtio", 6)) {
2324 if (arg[6] == ',') {
2325 /* have params -> parse them */
2326 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2327 if (!opts)
2328 return -1;
2329 } else {
2330 /* create empty opts */
2331 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2332 &error_abort);
2334 qemu_opt_set(opts, "driver", "virtio-balloon");
2335 return 0;
2338 return -1;
2341 char *qemu_find_file(int type, const char *name)
2343 int i;
2344 const char *subdir;
2345 char *buf;
2347 /* Try the name as a straight path first */
2348 if (access(name, R_OK) == 0) {
2349 trace_load_file(name, name);
2350 return g_strdup(name);
2353 switch (type) {
2354 case QEMU_FILE_TYPE_BIOS:
2355 subdir = "";
2356 break;
2357 case QEMU_FILE_TYPE_KEYMAP:
2358 subdir = "keymaps/";
2359 break;
2360 default:
2361 abort();
2364 for (i = 0; i < data_dir_idx; i++) {
2365 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2366 if (access(buf, R_OK) == 0) {
2367 trace_load_file(name, buf);
2368 return buf;
2370 g_free(buf);
2372 return NULL;
2375 static int device_help_func(QemuOpts *opts, void *opaque)
2377 return qdev_device_help(opts);
2380 static int device_init_func(QemuOpts *opts, void *opaque)
2382 DeviceState *dev;
2384 dev = qdev_device_add(opts);
2385 if (!dev)
2386 return -1;
2387 object_unref(OBJECT(dev));
2388 return 0;
2391 static int chardev_init_func(QemuOpts *opts, void *opaque)
2393 Error *local_err = NULL;
2395 qemu_chr_new_from_opts(opts, NULL, &local_err);
2396 if (local_err) {
2397 error_report("%s", error_get_pretty(local_err));
2398 error_free(local_err);
2399 return -1;
2401 return 0;
2404 #ifdef CONFIG_VIRTFS
2405 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2407 int ret;
2408 ret = qemu_fsdev_add(opts);
2410 return ret;
2412 #endif
2414 static int mon_init_func(QemuOpts *opts, void *opaque)
2416 CharDriverState *chr;
2417 const char *chardev;
2418 const char *mode;
2419 int flags;
2421 mode = qemu_opt_get(opts, "mode");
2422 if (mode == NULL) {
2423 mode = "readline";
2425 if (strcmp(mode, "readline") == 0) {
2426 flags = MONITOR_USE_READLINE;
2427 } else if (strcmp(mode, "control") == 0) {
2428 flags = MONITOR_USE_CONTROL;
2429 } else {
2430 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2431 exit(1);
2434 if (qemu_opt_get_bool(opts, "pretty", 0))
2435 flags |= MONITOR_USE_PRETTY;
2437 if (qemu_opt_get_bool(opts, "default", 0))
2438 flags |= MONITOR_IS_DEFAULT;
2440 chardev = qemu_opt_get(opts, "chardev");
2441 chr = qemu_chr_find(chardev);
2442 if (chr == NULL) {
2443 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2444 exit(1);
2447 qemu_chr_fe_claim_no_fail(chr);
2448 monitor_init(chr, flags);
2449 return 0;
2452 static void monitor_parse(const char *optarg, const char *mode)
2454 static int monitor_device_index = 0;
2455 QemuOpts *opts;
2456 const char *p;
2457 char label[32];
2458 int def = 0;
2460 if (strstart(optarg, "chardev:", &p)) {
2461 snprintf(label, sizeof(label), "%s", p);
2462 } else {
2463 snprintf(label, sizeof(label), "compat_monitor%d",
2464 monitor_device_index);
2465 if (monitor_device_index == 0) {
2466 def = 1;
2468 opts = qemu_chr_parse_compat(label, optarg);
2469 if (!opts) {
2470 fprintf(stderr, "parse error: %s\n", optarg);
2471 exit(1);
2475 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2476 if (!opts) {
2477 fprintf(stderr, "duplicate chardev: %s\n", label);
2478 exit(1);
2480 qemu_opt_set(opts, "mode", mode);
2481 qemu_opt_set(opts, "chardev", label);
2482 if (def)
2483 qemu_opt_set(opts, "default", "on");
2484 monitor_device_index++;
2487 struct device_config {
2488 enum {
2489 DEV_USB, /* -usbdevice */
2490 DEV_BT, /* -bt */
2491 DEV_SERIAL, /* -serial */
2492 DEV_PARALLEL, /* -parallel */
2493 DEV_VIRTCON, /* -virtioconsole */
2494 DEV_DEBUGCON, /* -debugcon */
2495 DEV_GDB, /* -gdb, -s */
2496 DEV_SCLP, /* s390 sclp */
2497 } type;
2498 const char *cmdline;
2499 Location loc;
2500 QTAILQ_ENTRY(device_config) next;
2503 static QTAILQ_HEAD(, device_config) device_configs =
2504 QTAILQ_HEAD_INITIALIZER(device_configs);
2506 static void add_device_config(int type, const char *cmdline)
2508 struct device_config *conf;
2510 conf = g_malloc0(sizeof(*conf));
2511 conf->type = type;
2512 conf->cmdline = cmdline;
2513 loc_save(&conf->loc);
2514 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2517 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2519 struct device_config *conf;
2520 int rc;
2522 QTAILQ_FOREACH(conf, &device_configs, next) {
2523 if (conf->type != type)
2524 continue;
2525 loc_push_restore(&conf->loc);
2526 rc = func(conf->cmdline);
2527 loc_pop(&conf->loc);
2528 if (0 != rc)
2529 return rc;
2531 return 0;
2534 static int serial_parse(const char *devname)
2536 static int index = 0;
2537 char label[32];
2539 if (strcmp(devname, "none") == 0)
2540 return 0;
2541 if (index == MAX_SERIAL_PORTS) {
2542 fprintf(stderr, "qemu: too many serial ports\n");
2543 exit(1);
2545 snprintf(label, sizeof(label), "serial%d", index);
2546 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2547 if (!serial_hds[index]) {
2548 fprintf(stderr, "qemu: could not connect serial device"
2549 " to character backend '%s'\n", devname);
2550 return -1;
2552 index++;
2553 return 0;
2556 static int parallel_parse(const char *devname)
2558 static int index = 0;
2559 char label[32];
2561 if (strcmp(devname, "none") == 0)
2562 return 0;
2563 if (index == MAX_PARALLEL_PORTS) {
2564 fprintf(stderr, "qemu: too many parallel ports\n");
2565 exit(1);
2567 snprintf(label, sizeof(label), "parallel%d", index);
2568 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2569 if (!parallel_hds[index]) {
2570 fprintf(stderr, "qemu: could not connect parallel device"
2571 " to character backend '%s'\n", devname);
2572 return -1;
2574 index++;
2575 return 0;
2578 static int virtcon_parse(const char *devname)
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *bus_opts, *dev_opts;
2585 if (strcmp(devname, "none") == 0)
2586 return 0;
2587 if (index == MAX_VIRTIO_CONSOLES) {
2588 fprintf(stderr, "qemu: too many virtio consoles\n");
2589 exit(1);
2592 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2593 if (arch_type == QEMU_ARCH_S390X) {
2594 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2595 } else {
2596 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2599 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2600 qemu_opt_set(dev_opts, "driver", "virtconsole");
2602 snprintf(label, sizeof(label), "virtcon%d", index);
2603 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2604 if (!virtcon_hds[index]) {
2605 fprintf(stderr, "qemu: could not connect virtio console"
2606 " to character backend '%s'\n", devname);
2607 return -1;
2609 qemu_opt_set(dev_opts, "chardev", label);
2611 index++;
2612 return 0;
2615 static int sclp_parse(const char *devname)
2617 QemuOptsList *device = qemu_find_opts("device");
2618 static int index = 0;
2619 char label[32];
2620 QemuOpts *dev_opts;
2622 if (strcmp(devname, "none") == 0) {
2623 return 0;
2625 if (index == MAX_SCLP_CONSOLES) {
2626 fprintf(stderr, "qemu: too many sclp consoles\n");
2627 exit(1);
2630 assert(arch_type == QEMU_ARCH_S390X);
2632 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2633 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2635 snprintf(label, sizeof(label), "sclpcon%d", index);
2636 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2637 if (!sclp_hds[index]) {
2638 fprintf(stderr, "qemu: could not connect sclp console"
2639 " to character backend '%s'\n", devname);
2640 return -1;
2642 qemu_opt_set(dev_opts, "chardev", label);
2644 index++;
2645 return 0;
2648 static int debugcon_parse(const char *devname)
2650 QemuOpts *opts;
2652 if (!qemu_chr_new("debugcon", devname, NULL)) {
2653 exit(1);
2655 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2656 if (!opts) {
2657 fprintf(stderr, "qemu: already have a debugcon device\n");
2658 exit(1);
2660 qemu_opt_set(opts, "driver", "isa-debugcon");
2661 qemu_opt_set(opts, "chardev", "debugcon");
2662 return 0;
2665 static MachineClass *machine_parse(const char *name)
2667 MachineClass *mc = NULL;
2668 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2670 if (name) {
2671 mc = find_machine(name);
2673 if (mc) {
2674 return mc;
2676 printf("Supported machines are:\n");
2677 for (el = machines; el; el = el->next) {
2678 MachineClass *mc = el->data;
2679 QEMUMachine *m = mc->qemu_machine;
2680 if (m->alias) {
2681 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2683 printf("%-20s %s%s\n", m->name, m->desc,
2684 m->is_default ? " (default)" : "");
2687 g_slist_free(machines);
2688 exit(!name || !is_help_option(name));
2691 static int tcg_init(QEMUMachine *machine)
2693 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2694 return 0;
2697 static struct {
2698 const char *opt_name;
2699 const char *name;
2700 int (*available)(void);
2701 int (*init)(QEMUMachine *);
2702 bool *allowed;
2703 } accel_list[] = {
2704 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2705 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2706 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2707 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2710 static int configure_accelerator(QEMUMachine *machine)
2712 const char *p;
2713 char buf[10];
2714 int i, ret;
2715 bool accel_initialised = false;
2716 bool init_failed = false;
2718 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2719 if (p == NULL) {
2720 /* Use the default "accelerator", tcg */
2721 p = "tcg";
2724 while (!accel_initialised && *p != '\0') {
2725 if (*p == ':') {
2726 p++;
2728 p = get_opt_name(buf, sizeof (buf), p, ':');
2729 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2730 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2731 if (!accel_list[i].available()) {
2732 printf("%s not supported for this target\n",
2733 accel_list[i].name);
2734 continue;
2736 *(accel_list[i].allowed) = true;
2737 ret = accel_list[i].init(machine);
2738 if (ret < 0) {
2739 init_failed = true;
2740 fprintf(stderr, "failed to initialize %s: %s\n",
2741 accel_list[i].name,
2742 strerror(-ret));
2743 *(accel_list[i].allowed) = false;
2744 } else {
2745 accel_initialised = true;
2747 break;
2750 if (i == ARRAY_SIZE(accel_list)) {
2751 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2755 if (!accel_initialised) {
2756 if (!init_failed) {
2757 fprintf(stderr, "No accelerator found!\n");
2759 exit(1);
2762 if (init_failed) {
2763 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2766 return !accel_initialised;
2769 void qemu_add_exit_notifier(Notifier *notify)
2771 notifier_list_add(&exit_notifiers, notify);
2774 void qemu_remove_exit_notifier(Notifier *notify)
2776 notifier_remove(notify);
2779 static void qemu_run_exit_notifiers(void)
2781 notifier_list_notify(&exit_notifiers, NULL);
2784 void qemu_add_machine_init_done_notifier(Notifier *notify)
2786 notifier_list_add(&machine_init_done_notifiers, notify);
2789 static void qemu_run_machine_init_done_notifiers(void)
2791 notifier_list_notify(&machine_init_done_notifiers, NULL);
2794 static const QEMUOption *lookup_opt(int argc, char **argv,
2795 const char **poptarg, int *poptind)
2797 const QEMUOption *popt;
2798 int optind = *poptind;
2799 char *r = argv[optind];
2800 const char *optarg;
2802 loc_set_cmdline(argv, optind, 1);
2803 optind++;
2804 /* Treat --foo the same as -foo. */
2805 if (r[1] == '-')
2806 r++;
2807 popt = qemu_options;
2808 for(;;) {
2809 if (!popt->name) {
2810 error_report("invalid option");
2811 exit(1);
2813 if (!strcmp(popt->name, r + 1))
2814 break;
2815 popt++;
2817 if (popt->flags & HAS_ARG) {
2818 if (optind >= argc) {
2819 error_report("requires an argument");
2820 exit(1);
2822 optarg = argv[optind++];
2823 loc_set_cmdline(argv, optind - 2, 2);
2824 } else {
2825 optarg = NULL;
2828 *poptarg = optarg;
2829 *poptind = optind;
2831 return popt;
2834 static gpointer malloc_and_trace(gsize n_bytes)
2836 void *ptr = malloc(n_bytes);
2837 trace_g_malloc(n_bytes, ptr);
2838 return ptr;
2841 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2843 void *ptr = realloc(mem, n_bytes);
2844 trace_g_realloc(mem, n_bytes, ptr);
2845 return ptr;
2848 static void free_and_trace(gpointer mem)
2850 trace_g_free(mem);
2851 free(mem);
2854 static int object_set_property(const char *name, const char *value, void *opaque)
2856 Object *obj = OBJECT(opaque);
2857 StringInputVisitor *siv;
2858 Error *local_err = NULL;
2860 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2861 return 0;
2864 siv = string_input_visitor_new(value);
2865 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2866 string_input_visitor_cleanup(siv);
2868 if (local_err) {
2869 qerror_report_err(local_err);
2870 error_free(local_err);
2871 return -1;
2874 return 0;
2877 static int object_create(QemuOpts *opts, void *opaque)
2879 const char *type = qemu_opt_get(opts, "qom-type");
2880 const char *id = qemu_opts_id(opts);
2881 Error *local_err = NULL;
2882 Object *obj;
2884 g_assert(type != NULL);
2886 if (id == NULL) {
2887 qerror_report(QERR_MISSING_PARAMETER, "id");
2888 return -1;
2891 obj = object_new(type);
2892 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2893 object_unref(obj);
2894 return -1;
2897 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2898 error_setg(&local_err, "object '%s' isn't supported by -object",
2899 id);
2900 goto out;
2903 user_creatable_complete(obj, &local_err);
2904 if (local_err) {
2905 goto out;
2908 object_property_add_child(container_get(object_get_root(), "/objects"),
2909 id, obj, &local_err);
2911 out:
2912 object_unref(obj);
2913 if (local_err) {
2914 qerror_report_err(local_err);
2915 error_free(local_err);
2916 return -1;
2918 return 0;
2921 int main(int argc, char **argv, char **envp)
2923 int i;
2924 int snapshot, linux_boot;
2925 const char *icount_option = NULL;
2926 const char *initrd_filename;
2927 const char *kernel_filename, *kernel_cmdline;
2928 const char *boot_order;
2929 DisplayState *ds;
2930 int cyls, heads, secs, translation;
2931 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2932 QemuOptsList *olist;
2933 int optind;
2934 const char *optarg;
2935 const char *loadvm = NULL;
2936 MachineClass *machine_class;
2937 QEMUMachine *machine;
2938 const char *cpu_model;
2939 const char *vga_model = NULL;
2940 const char *qtest_chrdev = NULL;
2941 const char *qtest_log = NULL;
2942 const char *pid_file = NULL;
2943 const char *incoming = NULL;
2944 #ifdef CONFIG_VNC
2945 int show_vnc_port = 0;
2946 #endif
2947 bool defconfig = true;
2948 bool userconfig = true;
2949 const char *log_mask = NULL;
2950 const char *log_file = NULL;
2951 GMemVTable mem_trace = {
2952 .malloc = malloc_and_trace,
2953 .realloc = realloc_and_trace,
2954 .free = free_and_trace,
2956 const char *trace_events = NULL;
2957 const char *trace_file = NULL;
2959 atexit(qemu_run_exit_notifiers);
2960 error_set_progname(argv[0]);
2961 qemu_init_exec_dir(argv[0]);
2963 g_mem_set_vtable(&mem_trace);
2964 if (!g_thread_supported()) {
2965 #if !GLIB_CHECK_VERSION(2, 31, 0)
2966 g_thread_init(NULL);
2967 #else
2968 fprintf(stderr, "glib threading failed to initialize.\n");
2969 exit(1);
2970 #endif
2973 module_call_init(MODULE_INIT_QOM);
2975 qemu_add_opts(&qemu_drive_opts);
2976 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2977 qemu_add_drive_opts(&qemu_common_drive_opts);
2978 qemu_add_drive_opts(&qemu_drive_opts);
2979 qemu_add_opts(&qemu_chardev_opts);
2980 qemu_add_opts(&qemu_device_opts);
2981 qemu_add_opts(&qemu_netdev_opts);
2982 qemu_add_opts(&qemu_net_opts);
2983 qemu_add_opts(&qemu_rtc_opts);
2984 qemu_add_opts(&qemu_global_opts);
2985 qemu_add_opts(&qemu_mon_opts);
2986 qemu_add_opts(&qemu_trace_opts);
2987 qemu_add_opts(&qemu_option_rom_opts);
2988 qemu_add_opts(&qemu_machine_opts);
2989 qemu_add_opts(&qemu_smp_opts);
2990 qemu_add_opts(&qemu_boot_opts);
2991 qemu_add_opts(&qemu_sandbox_opts);
2992 qemu_add_opts(&qemu_add_fd_opts);
2993 qemu_add_opts(&qemu_object_opts);
2994 qemu_add_opts(&qemu_tpmdev_opts);
2995 qemu_add_opts(&qemu_realtime_opts);
2996 qemu_add_opts(&qemu_msg_opts);
2997 qemu_add_opts(&qemu_name_opts);
2999 runstate_init();
3001 init_clocks();
3002 rtc_clock = QEMU_CLOCK_HOST;
3004 qemu_init_auxval(envp);
3005 qemu_cache_utils_init();
3007 QLIST_INIT (&vm_change_state_head);
3008 os_setup_early_signal_handling();
3010 module_call_init(MODULE_INIT_MACHINE);
3011 machine_class = find_default_machine();
3012 cpu_model = NULL;
3013 ram_size = 0;
3014 snapshot = 0;
3015 cyls = heads = secs = 0;
3016 translation = BIOS_ATA_TRANSLATION_AUTO;
3018 for (i = 0; i < MAX_NODES; i++) {
3019 node_mem[i] = 0;
3020 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3023 nb_numa_nodes = 0;
3024 nb_nics = 0;
3026 bdrv_init_with_whitelist();
3028 autostart = 1;
3030 /* first pass of option parsing */
3031 optind = 1;
3032 while (optind < argc) {
3033 if (argv[optind][0] != '-') {
3034 /* disk image */
3035 optind++;
3036 continue;
3037 } else {
3038 const QEMUOption *popt;
3040 popt = lookup_opt(argc, argv, &optarg, &optind);
3041 switch (popt->index) {
3042 case QEMU_OPTION_nodefconfig:
3043 defconfig = false;
3044 break;
3045 case QEMU_OPTION_nouserconfig:
3046 userconfig = false;
3047 break;
3052 if (defconfig) {
3053 int ret;
3054 ret = qemu_read_default_config_files(userconfig);
3055 if (ret < 0) {
3056 exit(1);
3060 /* second pass of option parsing */
3061 optind = 1;
3062 for(;;) {
3063 if (optind >= argc)
3064 break;
3065 if (argv[optind][0] != '-') {
3066 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3067 } else {
3068 const QEMUOption *popt;
3070 popt = lookup_opt(argc, argv, &optarg, &optind);
3071 if (!(popt->arch_mask & arch_type)) {
3072 printf("Option %s not supported for this target\n", popt->name);
3073 exit(1);
3075 switch(popt->index) {
3076 case QEMU_OPTION_M:
3077 machine_class = machine_parse(optarg);
3078 break;
3079 case QEMU_OPTION_no_kvm_irqchip: {
3080 olist = qemu_find_opts("machine");
3081 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3082 break;
3084 case QEMU_OPTION_cpu:
3085 /* hw initialization will check this */
3086 cpu_model = optarg;
3087 break;
3088 case QEMU_OPTION_hda:
3090 char buf[256];
3091 if (cyls == 0)
3092 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3093 else
3094 snprintf(buf, sizeof(buf),
3095 "%s,cyls=%d,heads=%d,secs=%d%s",
3096 HD_OPTS , cyls, heads, secs,
3097 translation == BIOS_ATA_TRANSLATION_LBA ?
3098 ",trans=lba" :
3099 translation == BIOS_ATA_TRANSLATION_NONE ?
3100 ",trans=none" : "");
3101 drive_add(IF_DEFAULT, 0, optarg, buf);
3102 break;
3104 case QEMU_OPTION_hdb:
3105 case QEMU_OPTION_hdc:
3106 case QEMU_OPTION_hdd:
3107 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3108 HD_OPTS);
3109 break;
3110 case QEMU_OPTION_drive:
3111 if (drive_def(optarg) == NULL) {
3112 exit(1);
3114 break;
3115 case QEMU_OPTION_set:
3116 if (qemu_set_option(optarg) != 0)
3117 exit(1);
3118 break;
3119 case QEMU_OPTION_global:
3120 if (qemu_global_option(optarg) != 0)
3121 exit(1);
3122 break;
3123 case QEMU_OPTION_mtdblock:
3124 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3125 break;
3126 case QEMU_OPTION_sd:
3127 drive_add(IF_SD, -1, optarg, SD_OPTS);
3128 break;
3129 case QEMU_OPTION_pflash:
3130 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3131 break;
3132 case QEMU_OPTION_snapshot:
3133 snapshot = 1;
3134 break;
3135 case QEMU_OPTION_hdachs:
3137 const char *p;
3138 p = optarg;
3139 cyls = strtol(p, (char **)&p, 0);
3140 if (cyls < 1 || cyls > 16383)
3141 goto chs_fail;
3142 if (*p != ',')
3143 goto chs_fail;
3144 p++;
3145 heads = strtol(p, (char **)&p, 0);
3146 if (heads < 1 || heads > 16)
3147 goto chs_fail;
3148 if (*p != ',')
3149 goto chs_fail;
3150 p++;
3151 secs = strtol(p, (char **)&p, 0);
3152 if (secs < 1 || secs > 63)
3153 goto chs_fail;
3154 if (*p == ',') {
3155 p++;
3156 if (!strcmp(p, "large")) {
3157 translation = BIOS_ATA_TRANSLATION_LARGE;
3158 } else if (!strcmp(p, "rechs")) {
3159 translation = BIOS_ATA_TRANSLATION_RECHS;
3160 } else if (!strcmp(p, "none")) {
3161 translation = BIOS_ATA_TRANSLATION_NONE;
3162 } else if (!strcmp(p, "lba")) {
3163 translation = BIOS_ATA_TRANSLATION_LBA;
3164 } else if (!strcmp(p, "auto")) {
3165 translation = BIOS_ATA_TRANSLATION_AUTO;
3166 } else {
3167 goto chs_fail;
3169 } else if (*p != '\0') {
3170 chs_fail:
3171 fprintf(stderr, "qemu: invalid physical CHS format\n");
3172 exit(1);
3174 if (hda_opts != NULL) {
3175 char num[16];
3176 snprintf(num, sizeof(num), "%d", cyls);
3177 qemu_opt_set(hda_opts, "cyls", num);
3178 snprintf(num, sizeof(num), "%d", heads);
3179 qemu_opt_set(hda_opts, "heads", num);
3180 snprintf(num, sizeof(num), "%d", secs);
3181 qemu_opt_set(hda_opts, "secs", num);
3182 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3183 qemu_opt_set(hda_opts, "trans", "large");
3184 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3185 qemu_opt_set(hda_opts, "trans", "rechs");
3186 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3187 qemu_opt_set(hda_opts, "trans", "lba");
3188 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3189 qemu_opt_set(hda_opts, "trans", "none");
3193 break;
3194 case QEMU_OPTION_numa:
3195 numa_add(optarg);
3196 break;
3197 case QEMU_OPTION_display:
3198 display_type = select_display(optarg);
3199 break;
3200 case QEMU_OPTION_nographic:
3201 display_type = DT_NOGRAPHIC;
3202 break;
3203 case QEMU_OPTION_curses:
3204 #ifdef CONFIG_CURSES
3205 display_type = DT_CURSES;
3206 #else
3207 fprintf(stderr, "Curses support is disabled\n");
3208 exit(1);
3209 #endif
3210 break;
3211 case QEMU_OPTION_portrait:
3212 graphic_rotate = 90;
3213 break;
3214 case QEMU_OPTION_rotate:
3215 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3216 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3217 graphic_rotate != 180 && graphic_rotate != 270) {
3218 fprintf(stderr,
3219 "qemu: only 90, 180, 270 deg rotation is available\n");
3220 exit(1);
3222 break;
3223 case QEMU_OPTION_kernel:
3224 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3225 break;
3226 case QEMU_OPTION_initrd:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3228 break;
3229 case QEMU_OPTION_append:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3231 break;
3232 case QEMU_OPTION_dtb:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3234 break;
3235 case QEMU_OPTION_cdrom:
3236 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3237 break;
3238 case QEMU_OPTION_boot:
3239 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3240 if (!opts) {
3241 exit(1);
3243 break;
3244 case QEMU_OPTION_fda:
3245 case QEMU_OPTION_fdb:
3246 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3247 optarg, FD_OPTS);
3248 break;
3249 case QEMU_OPTION_no_fd_bootchk:
3250 fd_bootchk = 0;
3251 break;
3252 case QEMU_OPTION_netdev:
3253 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3254 exit(1);
3256 break;
3257 case QEMU_OPTION_net:
3258 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3259 exit(1);
3261 break;
3262 #ifdef CONFIG_LIBISCSI
3263 case QEMU_OPTION_iscsi:
3264 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3265 if (!opts) {
3266 exit(1);
3268 break;
3269 #endif
3270 #ifdef CONFIG_SLIRP
3271 case QEMU_OPTION_tftp:
3272 legacy_tftp_prefix = optarg;
3273 break;
3274 case QEMU_OPTION_bootp:
3275 legacy_bootp_filename = optarg;
3276 break;
3277 case QEMU_OPTION_redir:
3278 if (net_slirp_redir(optarg) < 0)
3279 exit(1);
3280 break;
3281 #endif
3282 case QEMU_OPTION_bt:
3283 add_device_config(DEV_BT, optarg);
3284 break;
3285 case QEMU_OPTION_audio_help:
3286 AUD_help ();
3287 exit (0);
3288 break;
3289 case QEMU_OPTION_soundhw:
3290 select_soundhw (optarg);
3291 break;
3292 case QEMU_OPTION_h:
3293 help(0);
3294 break;
3295 case QEMU_OPTION_version:
3296 version();
3297 exit(0);
3298 break;
3299 case QEMU_OPTION_m: {
3300 int64_t value;
3301 uint64_t sz;
3302 char *end;
3304 value = strtosz(optarg, &end);
3305 if (value < 0 || *end) {
3306 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3307 exit(1);
3309 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3310 ram_size = sz;
3311 if (ram_size != sz) {
3312 fprintf(stderr, "qemu: ram size too large\n");
3313 exit(1);
3315 break;
3317 #ifdef CONFIG_TPM
3318 case QEMU_OPTION_tpmdev:
3319 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3320 exit(1);
3322 break;
3323 #endif
3324 case QEMU_OPTION_mempath:
3325 mem_path = optarg;
3326 break;
3327 case QEMU_OPTION_mem_prealloc:
3328 mem_prealloc = 1;
3329 break;
3330 case QEMU_OPTION_d:
3331 log_mask = optarg;
3332 break;
3333 case QEMU_OPTION_D:
3334 log_file = optarg;
3335 break;
3336 case QEMU_OPTION_s:
3337 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3338 break;
3339 case QEMU_OPTION_gdb:
3340 add_device_config(DEV_GDB, optarg);
3341 break;
3342 case QEMU_OPTION_L:
3343 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3344 data_dir[data_dir_idx++] = optarg;
3346 break;
3347 case QEMU_OPTION_bios:
3348 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3349 break;
3350 case QEMU_OPTION_singlestep:
3351 singlestep = 1;
3352 break;
3353 case QEMU_OPTION_S:
3354 autostart = 0;
3355 break;
3356 case QEMU_OPTION_k:
3357 keyboard_layout = optarg;
3358 break;
3359 case QEMU_OPTION_localtime:
3360 rtc_utc = 0;
3361 break;
3362 case QEMU_OPTION_vga:
3363 vga_model = optarg;
3364 default_vga = 0;
3365 break;
3366 case QEMU_OPTION_g:
3368 const char *p;
3369 int w, h, depth;
3370 p = optarg;
3371 w = strtol(p, (char **)&p, 10);
3372 if (w <= 0) {
3373 graphic_error:
3374 fprintf(stderr, "qemu: invalid resolution or depth\n");
3375 exit(1);
3377 if (*p != 'x')
3378 goto graphic_error;
3379 p++;
3380 h = strtol(p, (char **)&p, 10);
3381 if (h <= 0)
3382 goto graphic_error;
3383 if (*p == 'x') {
3384 p++;
3385 depth = strtol(p, (char **)&p, 10);
3386 if (depth != 8 && depth != 15 && depth != 16 &&
3387 depth != 24 && depth != 32)
3388 goto graphic_error;
3389 } else if (*p == '\0') {
3390 depth = graphic_depth;
3391 } else {
3392 goto graphic_error;
3395 graphic_width = w;
3396 graphic_height = h;
3397 graphic_depth = depth;
3399 break;
3400 case QEMU_OPTION_echr:
3402 char *r;
3403 term_escape_char = strtol(optarg, &r, 0);
3404 if (r == optarg)
3405 printf("Bad argument to echr\n");
3406 break;
3408 case QEMU_OPTION_monitor:
3409 default_monitor = 0;
3410 if (strncmp(optarg, "none", 4)) {
3411 monitor_parse(optarg, "readline");
3413 break;
3414 case QEMU_OPTION_qmp:
3415 monitor_parse(optarg, "control");
3416 default_monitor = 0;
3417 break;
3418 case QEMU_OPTION_mon:
3419 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3420 if (!opts) {
3421 exit(1);
3423 default_monitor = 0;
3424 break;
3425 case QEMU_OPTION_chardev:
3426 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3427 if (!opts) {
3428 exit(1);
3430 break;
3431 case QEMU_OPTION_fsdev:
3432 olist = qemu_find_opts("fsdev");
3433 if (!olist) {
3434 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3435 exit(1);
3437 opts = qemu_opts_parse(olist, optarg, 1);
3438 if (!opts) {
3439 exit(1);
3441 break;
3442 case QEMU_OPTION_virtfs: {
3443 QemuOpts *fsdev;
3444 QemuOpts *device;
3445 const char *writeout, *sock_fd, *socket;
3447 olist = qemu_find_opts("virtfs");
3448 if (!olist) {
3449 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3450 exit(1);
3452 opts = qemu_opts_parse(olist, optarg, 1);
3453 if (!opts) {
3454 exit(1);
3457 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3458 qemu_opt_get(opts, "mount_tag") == NULL) {
3459 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3460 exit(1);
3462 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3463 qemu_opt_get(opts, "mount_tag"),
3464 1, NULL);
3465 if (!fsdev) {
3466 fprintf(stderr, "duplicate fsdev id: %s\n",
3467 qemu_opt_get(opts, "mount_tag"));
3468 exit(1);
3471 writeout = qemu_opt_get(opts, "writeout");
3472 if (writeout) {
3473 #ifdef CONFIG_SYNC_FILE_RANGE
3474 qemu_opt_set(fsdev, "writeout", writeout);
3475 #else
3476 fprintf(stderr, "writeout=immediate not supported on "
3477 "this platform\n");
3478 exit(1);
3479 #endif
3481 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3482 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3483 qemu_opt_set(fsdev, "security_model",
3484 qemu_opt_get(opts, "security_model"));
3485 socket = qemu_opt_get(opts, "socket");
3486 if (socket) {
3487 qemu_opt_set(fsdev, "socket", socket);
3489 sock_fd = qemu_opt_get(opts, "sock_fd");
3490 if (sock_fd) {
3491 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3494 qemu_opt_set_bool(fsdev, "readonly",
3495 qemu_opt_get_bool(opts, "readonly", 0));
3496 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3497 &error_abort);
3498 qemu_opt_set(device, "driver", "virtio-9p-pci");
3499 qemu_opt_set(device, "fsdev",
3500 qemu_opt_get(opts, "mount_tag"));
3501 qemu_opt_set(device, "mount_tag",
3502 qemu_opt_get(opts, "mount_tag"));
3503 break;
3505 case QEMU_OPTION_virtfs_synth: {
3506 QemuOpts *fsdev;
3507 QemuOpts *device;
3509 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3510 1, NULL);
3511 if (!fsdev) {
3512 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3513 exit(1);
3515 qemu_opt_set(fsdev, "fsdriver", "synth");
3517 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3518 &error_abort);
3519 qemu_opt_set(device, "driver", "virtio-9p-pci");
3520 qemu_opt_set(device, "fsdev", "v_synth");
3521 qemu_opt_set(device, "mount_tag", "v_synth");
3522 break;
3524 case QEMU_OPTION_serial:
3525 add_device_config(DEV_SERIAL, optarg);
3526 default_serial = 0;
3527 if (strncmp(optarg, "mon:", 4) == 0) {
3528 default_monitor = 0;
3530 break;
3531 case QEMU_OPTION_watchdog:
3532 if (watchdog) {
3533 fprintf(stderr,
3534 "qemu: only one watchdog option may be given\n");
3535 return 1;
3537 watchdog = optarg;
3538 break;
3539 case QEMU_OPTION_watchdog_action:
3540 if (select_watchdog_action(optarg) == -1) {
3541 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3542 exit(1);
3544 break;
3545 case QEMU_OPTION_virtiocon:
3546 add_device_config(DEV_VIRTCON, optarg);
3547 default_virtcon = 0;
3548 if (strncmp(optarg, "mon:", 4) == 0) {
3549 default_monitor = 0;
3551 break;
3552 case QEMU_OPTION_parallel:
3553 add_device_config(DEV_PARALLEL, optarg);
3554 default_parallel = 0;
3555 if (strncmp(optarg, "mon:", 4) == 0) {
3556 default_monitor = 0;
3558 break;
3559 case QEMU_OPTION_debugcon:
3560 add_device_config(DEV_DEBUGCON, optarg);
3561 break;
3562 case QEMU_OPTION_loadvm:
3563 loadvm = optarg;
3564 break;
3565 case QEMU_OPTION_full_screen:
3566 full_screen = 1;
3567 break;
3568 case QEMU_OPTION_no_frame:
3569 no_frame = 1;
3570 break;
3571 case QEMU_OPTION_alt_grab:
3572 alt_grab = 1;
3573 break;
3574 case QEMU_OPTION_ctrl_grab:
3575 ctrl_grab = 1;
3576 break;
3577 case QEMU_OPTION_no_quit:
3578 no_quit = 1;
3579 break;
3580 case QEMU_OPTION_sdl:
3581 #ifdef CONFIG_SDL
3582 display_type = DT_SDL;
3583 break;
3584 #else
3585 fprintf(stderr, "SDL support is disabled\n");
3586 exit(1);
3587 #endif
3588 case QEMU_OPTION_pidfile:
3589 pid_file = optarg;
3590 break;
3591 case QEMU_OPTION_win2k_hack:
3592 win2k_install_hack = 1;
3593 break;
3594 case QEMU_OPTION_rtc_td_hack: {
3595 static GlobalProperty slew_lost_ticks[] = {
3597 .driver = "mc146818rtc",
3598 .property = "lost_tick_policy",
3599 .value = "slew",
3601 { /* end of list */ }
3604 qdev_prop_register_global_list(slew_lost_ticks);
3605 break;
3607 case QEMU_OPTION_acpitable:
3608 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3609 if (!opts) {
3610 exit(1);
3612 do_acpitable_option(opts);
3613 break;
3614 case QEMU_OPTION_smbios:
3615 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3616 if (!opts) {
3617 exit(1);
3619 do_smbios_option(opts);
3620 break;
3621 case QEMU_OPTION_enable_kvm:
3622 olist = qemu_find_opts("machine");
3623 qemu_opts_parse(olist, "accel=kvm", 0);
3624 break;
3625 case QEMU_OPTION_machine:
3626 olist = qemu_find_opts("machine");
3627 opts = qemu_opts_parse(olist, optarg, 1);
3628 if (!opts) {
3629 exit(1);
3631 optarg = qemu_opt_get(opts, "type");
3632 if (optarg) {
3633 machine_class = machine_parse(optarg);
3635 break;
3636 case QEMU_OPTION_no_kvm:
3637 olist = qemu_find_opts("machine");
3638 qemu_opts_parse(olist, "accel=tcg", 0);
3639 break;
3640 case QEMU_OPTION_no_kvm_pit: {
3641 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3642 "separately.\n");
3643 break;
3645 case QEMU_OPTION_no_kvm_pit_reinjection: {
3646 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3648 .driver = "kvm-pit",
3649 .property = "lost_tick_policy",
3650 .value = "discard",
3652 { /* end of list */ }
3655 fprintf(stderr, "Warning: option deprecated, use "
3656 "lost_tick_policy property of kvm-pit instead.\n");
3657 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3658 break;
3660 case QEMU_OPTION_usb:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse(olist, "usb=on", 0);
3663 break;
3664 case QEMU_OPTION_usbdevice:
3665 olist = qemu_find_opts("machine");
3666 qemu_opts_parse(olist, "usb=on", 0);
3667 add_device_config(DEV_USB, optarg);
3668 break;
3669 case QEMU_OPTION_device:
3670 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3671 exit(1);
3673 break;
3674 case QEMU_OPTION_smp:
3675 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3676 exit(1);
3678 break;
3679 case QEMU_OPTION_vnc:
3680 #ifdef CONFIG_VNC
3681 display_remote++;
3682 vnc_display = optarg;
3683 #else
3684 fprintf(stderr, "VNC support is disabled\n");
3685 exit(1);
3686 #endif
3687 break;
3688 case QEMU_OPTION_no_acpi:
3689 acpi_enabled = 0;
3690 break;
3691 case QEMU_OPTION_no_hpet:
3692 no_hpet = 1;
3693 break;
3694 case QEMU_OPTION_balloon:
3695 if (balloon_parse(optarg) < 0) {
3696 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3697 exit(1);
3699 break;
3700 case QEMU_OPTION_no_reboot:
3701 no_reboot = 1;
3702 break;
3703 case QEMU_OPTION_no_shutdown:
3704 no_shutdown = 1;
3705 break;
3706 case QEMU_OPTION_show_cursor:
3707 cursor_hide = 0;
3708 break;
3709 case QEMU_OPTION_uuid:
3710 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3711 fprintf(stderr, "Fail to parse UUID string."
3712 " Wrong format.\n");
3713 exit(1);
3715 qemu_uuid_set = true;
3716 break;
3717 case QEMU_OPTION_option_rom:
3718 if (nb_option_roms >= MAX_OPTION_ROMS) {
3719 fprintf(stderr, "Too many option ROMs\n");
3720 exit(1);
3722 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3723 if (!opts) {
3724 exit(1);
3726 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3727 option_rom[nb_option_roms].bootindex =
3728 qemu_opt_get_number(opts, "bootindex", -1);
3729 if (!option_rom[nb_option_roms].name) {
3730 fprintf(stderr, "Option ROM file is not specified\n");
3731 exit(1);
3733 nb_option_roms++;
3734 break;
3735 case QEMU_OPTION_semihosting:
3736 semihosting_enabled = 1;
3737 break;
3738 case QEMU_OPTION_tdf:
3739 fprintf(stderr, "Warning: user space PIT time drift fix "
3740 "is no longer supported.\n");
3741 break;
3742 case QEMU_OPTION_name:
3743 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3744 if (!opts) {
3745 exit(1);
3747 parse_name(opts);
3748 break;
3749 case QEMU_OPTION_prom_env:
3750 if (nb_prom_envs >= MAX_PROM_ENVS) {
3751 fprintf(stderr, "Too many prom variables\n");
3752 exit(1);
3754 prom_envs[nb_prom_envs] = optarg;
3755 nb_prom_envs++;
3756 break;
3757 case QEMU_OPTION_old_param:
3758 old_param = 1;
3759 break;
3760 case QEMU_OPTION_clock:
3761 /* Clock options no longer exist. Keep this option for
3762 * backward compatibility.
3764 break;
3765 case QEMU_OPTION_startdate:
3766 configure_rtc_date_offset(optarg, 1);
3767 break;
3768 case QEMU_OPTION_rtc:
3769 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3770 if (!opts) {
3771 exit(1);
3773 configure_rtc(opts);
3774 break;
3775 case QEMU_OPTION_tb_size:
3776 tcg_tb_size = strtol(optarg, NULL, 0);
3777 if (tcg_tb_size < 0) {
3778 tcg_tb_size = 0;
3780 break;
3781 case QEMU_OPTION_icount:
3782 icount_option = optarg;
3783 break;
3784 case QEMU_OPTION_incoming:
3785 incoming = optarg;
3786 runstate_set(RUN_STATE_INMIGRATE);
3787 break;
3788 case QEMU_OPTION_nodefaults:
3789 has_defaults = 0;
3790 break;
3791 case QEMU_OPTION_xen_domid:
3792 if (!(xen_available())) {
3793 printf("Option %s not supported for this target\n", popt->name);
3794 exit(1);
3796 xen_domid = atoi(optarg);
3797 break;
3798 case QEMU_OPTION_xen_create:
3799 if (!(xen_available())) {
3800 printf("Option %s not supported for this target\n", popt->name);
3801 exit(1);
3803 xen_mode = XEN_CREATE;
3804 break;
3805 case QEMU_OPTION_xen_attach:
3806 if (!(xen_available())) {
3807 printf("Option %s not supported for this target\n", popt->name);
3808 exit(1);
3810 xen_mode = XEN_ATTACH;
3811 break;
3812 case QEMU_OPTION_trace:
3814 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3815 if (!opts) {
3816 exit(1);
3818 trace_events = qemu_opt_get(opts, "events");
3819 trace_file = qemu_opt_get(opts, "file");
3820 break;
3822 case QEMU_OPTION_readconfig:
3824 int ret = qemu_read_config_file(optarg);
3825 if (ret < 0) {
3826 fprintf(stderr, "read config %s: %s\n", optarg,
3827 strerror(-ret));
3828 exit(1);
3830 break;
3832 case QEMU_OPTION_spice:
3833 olist = qemu_find_opts("spice");
3834 if (!olist) {
3835 fprintf(stderr, "spice is not supported by this qemu build.\n");
3836 exit(1);
3838 opts = qemu_opts_parse(olist, optarg, 0);
3839 if (!opts) {
3840 exit(1);
3842 display_remote++;
3843 break;
3844 case QEMU_OPTION_writeconfig:
3846 FILE *fp;
3847 if (strcmp(optarg, "-") == 0) {
3848 fp = stdout;
3849 } else {
3850 fp = fopen(optarg, "w");
3851 if (fp == NULL) {
3852 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3853 exit(1);
3856 qemu_config_write(fp);
3857 fclose(fp);
3858 break;
3860 case QEMU_OPTION_qtest:
3861 qtest_chrdev = optarg;
3862 break;
3863 case QEMU_OPTION_qtest_log:
3864 qtest_log = optarg;
3865 break;
3866 case QEMU_OPTION_sandbox:
3867 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3868 if (!opts) {
3869 exit(1);
3871 break;
3872 case QEMU_OPTION_add_fd:
3873 #ifndef _WIN32
3874 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3875 if (!opts) {
3876 exit(1);
3878 #else
3879 error_report("File descriptor passing is disabled on this "
3880 "platform");
3881 exit(1);
3882 #endif
3883 break;
3884 case QEMU_OPTION_object:
3885 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3886 if (!opts) {
3887 exit(1);
3889 break;
3890 case QEMU_OPTION_realtime:
3891 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3892 if (!opts) {
3893 exit(1);
3895 configure_realtime(opts);
3896 break;
3897 case QEMU_OPTION_msg:
3898 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3899 if (!opts) {
3900 exit(1);
3902 configure_msg(opts);
3903 break;
3904 default:
3905 os_parse_cmd_args(popt->index, optarg);
3909 loc_set_none();
3911 if (qemu_init_main_loop()) {
3912 fprintf(stderr, "qemu_init_main_loop failed\n");
3913 exit(1);
3916 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3917 exit(1);
3920 #ifndef _WIN32
3921 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3922 exit(1);
3925 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3926 exit(1);
3928 #endif
3930 if (machine_class == NULL) {
3931 fprintf(stderr, "No machine found.\n");
3932 exit(1);
3935 current_machine = MACHINE(object_new(object_class_get_name(
3936 OBJECT_CLASS(machine_class))));
3937 object_property_add_child(object_get_root(), "machine",
3938 OBJECT(current_machine), &error_abort);
3940 machine = machine_class->qemu_machine;
3941 if (machine->hw_version) {
3942 qemu_set_version(machine->hw_version);
3945 if (qemu_opts_foreach(qemu_find_opts("object"),
3946 object_create, NULL, 0) != 0) {
3947 exit(1);
3950 /* Init CPU def lists, based on config
3951 * - Must be called after all the qemu_read_config_file() calls
3952 * - Must be called before list_cpus()
3953 * - Must be called before machine->init()
3955 cpudef_init();
3957 if (cpu_model && is_help_option(cpu_model)) {
3958 list_cpus(stdout, &fprintf, cpu_model);
3959 exit(0);
3962 /* Open the logfile at this point, if necessary. We can't open the logfile
3963 * when encountering either of the logging options (-d or -D) because the
3964 * other one may be encountered later on the command line, changing the
3965 * location or level of logging.
3967 if (log_mask) {
3968 int mask;
3969 if (log_file) {
3970 qemu_set_log_filename(log_file);
3973 mask = qemu_str_to_log_mask(log_mask);
3974 if (!mask) {
3975 qemu_print_log_usage(stdout);
3976 exit(1);
3978 qemu_set_log(mask);
3981 if (!is_daemonized()) {
3982 if (!trace_backend_init(trace_events, trace_file)) {
3983 exit(1);
3987 /* If no data_dir is specified then try to find it relative to the
3988 executable path. */
3989 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3990 data_dir[data_dir_idx] = os_find_datadir();
3991 if (data_dir[data_dir_idx] != NULL) {
3992 data_dir_idx++;
3995 /* If all else fails use the install path specified when building. */
3996 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3997 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4000 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4002 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
4003 if (smp_cpus > machine->max_cpus) {
4004 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4005 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
4006 machine->max_cpus);
4007 exit(1);
4011 * Get the default machine options from the machine if it is not already
4012 * specified either by the configuration file or by the command line.
4014 if (machine->default_machine_opts) {
4015 qemu_opts_set_defaults(qemu_find_opts("machine"),
4016 machine->default_machine_opts, 0);
4019 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4020 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4022 if (!vga_model && !default_vga) {
4023 vga_interface_type = VGA_DEVICE;
4025 if (!has_defaults || machine->no_serial) {
4026 default_serial = 0;
4028 if (!has_defaults || machine->no_parallel) {
4029 default_parallel = 0;
4031 if (!has_defaults || !machine->use_virtcon) {
4032 default_virtcon = 0;
4034 if (!has_defaults || !machine->use_sclp) {
4035 default_sclp = 0;
4037 if (!has_defaults || machine->no_floppy) {
4038 default_floppy = 0;
4040 if (!has_defaults || machine->no_cdrom) {
4041 default_cdrom = 0;
4043 if (!has_defaults || machine->no_sdcard) {
4044 default_sdcard = 0;
4046 if (!has_defaults) {
4047 default_monitor = 0;
4048 default_net = 0;
4049 default_vga = 0;
4052 if (is_daemonized()) {
4053 /* According to documentation and historically, -nographic redirects
4054 * serial port, parallel port and monitor to stdio, which does not work
4055 * with -daemonize. We can redirect these to null instead, but since
4056 * -nographic is legacy, let's just error out.
4057 * We disallow -nographic only if all other ports are not redirected
4058 * explicitly, to not break existing legacy setups which uses
4059 * -nographic _and_ redirects all ports explicitly - this is valid
4060 * usage, -nographic is just a no-op in this case.
4062 if (display_type == DT_NOGRAPHIC
4063 && (default_parallel || default_serial
4064 || default_monitor || default_virtcon)) {
4065 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4066 exit(1);
4068 #ifdef CONFIG_CURSES
4069 if (display_type == DT_CURSES) {
4070 fprintf(stderr, "curses display can not be used with -daemonize\n");
4071 exit(1);
4073 #endif
4076 if (display_type == DT_NOGRAPHIC) {
4077 if (default_parallel)
4078 add_device_config(DEV_PARALLEL, "null");
4079 if (default_serial && default_monitor) {
4080 add_device_config(DEV_SERIAL, "mon:stdio");
4081 } else if (default_virtcon && default_monitor) {
4082 add_device_config(DEV_VIRTCON, "mon:stdio");
4083 } else if (default_sclp && default_monitor) {
4084 add_device_config(DEV_SCLP, "mon:stdio");
4085 } else {
4086 if (default_serial)
4087 add_device_config(DEV_SERIAL, "stdio");
4088 if (default_virtcon)
4089 add_device_config(DEV_VIRTCON, "stdio");
4090 if (default_sclp) {
4091 add_device_config(DEV_SCLP, "stdio");
4093 if (default_monitor)
4094 monitor_parse("stdio", "readline");
4096 } else {
4097 if (default_serial)
4098 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4099 if (default_parallel)
4100 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4101 if (default_monitor)
4102 monitor_parse("vc:80Cx24C", "readline");
4103 if (default_virtcon)
4104 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4105 if (default_sclp) {
4106 add_device_config(DEV_SCLP, "vc:80Cx24C");
4110 if (display_type == DT_DEFAULT && !display_remote) {
4111 #if defined(CONFIG_GTK)
4112 display_type = DT_GTK;
4113 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4114 display_type = DT_SDL;
4115 #elif defined(CONFIG_VNC)
4116 vnc_display = "localhost:0,to=99";
4117 show_vnc_port = 1;
4118 #else
4119 display_type = DT_NONE;
4120 #endif
4123 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4124 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4125 "for SDL, ignoring option\n");
4127 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4128 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4129 "ignoring option\n");
4132 #if defined(CONFIG_GTK)
4133 if (display_type == DT_GTK) {
4134 early_gtk_display_init();
4136 #endif
4138 socket_init();
4140 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4141 exit(1);
4142 #ifdef CONFIG_VIRTFS
4143 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4144 exit(1);
4146 #endif
4148 os_daemonize();
4150 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4151 os_pidfile_error();
4152 exit(1);
4155 /* init the memory */
4156 if (ram_size == 0) {
4157 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4160 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4161 != 0) {
4162 exit(0);
4165 configure_accelerator(machine);
4167 if (qtest_chrdev) {
4168 Error *local_err = NULL;
4169 qtest_init(qtest_chrdev, qtest_log, &local_err);
4170 if (local_err) {
4171 error_report("%s", error_get_pretty(local_err));
4172 error_free(local_err);
4173 exit(1);
4177 machine_opts = qemu_get_machine_opts();
4178 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4179 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4180 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4181 bios_name = qemu_opt_get(machine_opts, "firmware");
4183 boot_order = machine->default_boot_order;
4184 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4185 if (opts) {
4186 char *normal_boot_order;
4187 const char *order, *once;
4189 order = qemu_opt_get(opts, "order");
4190 if (order) {
4191 validate_bootdevices(order);
4192 boot_order = order;
4195 once = qemu_opt_get(opts, "once");
4196 if (once) {
4197 validate_bootdevices(once);
4198 normal_boot_order = g_strdup(boot_order);
4199 boot_order = once;
4200 qemu_register_reset(restore_boot_order, normal_boot_order);
4203 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4204 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4207 if (!kernel_cmdline) {
4208 kernel_cmdline = "";
4211 linux_boot = (kernel_filename != NULL);
4213 if (!linux_boot && *kernel_cmdline != '\0') {
4214 fprintf(stderr, "-append only allowed with -kernel option\n");
4215 exit(1);
4218 if (!linux_boot && initrd_filename != NULL) {
4219 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4220 exit(1);
4223 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4224 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4225 exit(1);
4228 os_set_line_buffering();
4230 qemu_init_cpu_loop();
4231 qemu_mutex_lock_iothread();
4233 #ifdef CONFIG_SPICE
4234 /* spice needs the timers to be initialized by this point */
4235 qemu_spice_init();
4236 #endif
4238 if (icount_option && (kvm_enabled() || xen_enabled())) {
4239 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4240 exit(1);
4242 configure_icount(icount_option);
4244 /* clean up network at qemu process termination */
4245 atexit(&net_cleanup);
4247 if (net_init_clients() < 0) {
4248 exit(1);
4251 #ifdef CONFIG_TPM
4252 if (tpm_init() < 0) {
4253 exit(1);
4255 #endif
4257 /* init the bluetooth world */
4258 if (foreach_device_config(DEV_BT, bt_parse))
4259 exit(1);
4261 if (!xen_enabled()) {
4262 /* On 32-bit hosts, QEMU is limited by virtual address space */
4263 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4264 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4265 exit(1);
4269 cpu_exec_init_all();
4271 blk_mig_init();
4273 /* open the virtual block devices */
4274 if (snapshot)
4275 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4276 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4277 &machine->block_default_type, 1) != 0) {
4278 exit(1);
4281 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4282 CDROM_OPTS);
4283 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4284 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4286 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4288 if (nb_numa_nodes > 0) {
4289 int i;
4291 if (nb_numa_nodes > MAX_NODES) {
4292 nb_numa_nodes = MAX_NODES;
4295 /* If no memory size if given for any node, assume the default case
4296 * and distribute the available memory equally across all nodes
4298 for (i = 0; i < nb_numa_nodes; i++) {
4299 if (node_mem[i] != 0)
4300 break;
4302 if (i == nb_numa_nodes) {
4303 uint64_t usedmem = 0;
4305 /* On Linux, the each node's border has to be 8MB aligned,
4306 * the final node gets the rest.
4308 for (i = 0; i < nb_numa_nodes - 1; i++) {
4309 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4310 usedmem += node_mem[i];
4312 node_mem[i] = ram_size - usedmem;
4315 for (i = 0; i < nb_numa_nodes; i++) {
4316 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4317 break;
4320 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4321 * must cope with this anyway, because there are BIOSes out there in
4322 * real machines which also use this scheme.
4324 if (i == nb_numa_nodes) {
4325 for (i = 0; i < max_cpus; i++) {
4326 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4331 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4332 exit(1);
4335 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4336 exit(1);
4337 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4338 exit(1);
4339 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4340 exit(1);
4341 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4342 exit(1);
4344 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4345 exit(1);
4347 /* If no default VGA is requested, the default is "none". */
4348 if (default_vga) {
4349 if (cirrus_vga_available()) {
4350 vga_model = "cirrus";
4351 } else if (vga_available()) {
4352 vga_model = "std";
4355 if (vga_model) {
4356 select_vgahw(vga_model);
4359 if (watchdog) {
4360 i = select_watchdog(watchdog);
4361 if (i > 0)
4362 exit (i == 1 ? 1 : 0);
4365 if (machine->compat_props) {
4366 qdev_prop_register_global_list(machine->compat_props);
4368 qemu_add_globals();
4370 qdev_machine_init();
4372 QEMUMachineInitArgs args = { .machine = machine,
4373 .ram_size = ram_size,
4374 .boot_order = boot_order,
4375 .kernel_filename = kernel_filename,
4376 .kernel_cmdline = kernel_cmdline,
4377 .initrd_filename = initrd_filename,
4378 .cpu_model = cpu_model };
4380 current_machine->init_args = args;
4381 machine->init(&current_machine->init_args);
4383 audio_init();
4385 cpu_synchronize_all_post_init();
4387 set_numa_modes();
4389 /* init USB devices */
4390 if (usb_enabled(false)) {
4391 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4392 exit(1);
4395 /* init generic devices */
4396 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4397 exit(1);
4399 net_check_clients();
4401 ds = init_displaystate();
4403 /* init local displays */
4404 switch (display_type) {
4405 case DT_NOGRAPHIC:
4406 (void)ds; /* avoid warning if no display is configured */
4407 break;
4408 #if defined(CONFIG_CURSES)
4409 case DT_CURSES:
4410 curses_display_init(ds, full_screen);
4411 break;
4412 #endif
4413 #if defined(CONFIG_SDL)
4414 case DT_SDL:
4415 sdl_display_init(ds, full_screen, no_frame);
4416 break;
4417 #elif defined(CONFIG_COCOA)
4418 case DT_SDL:
4419 cocoa_display_init(ds, full_screen);
4420 break;
4421 #endif
4422 #if defined(CONFIG_GTK)
4423 case DT_GTK:
4424 gtk_display_init(ds, full_screen, grab_on_hover);
4425 break;
4426 #endif
4427 default:
4428 break;
4431 /* must be after terminal init, SDL library changes signal handlers */
4432 os_setup_signal_handling();
4434 #ifdef CONFIG_VNC
4435 /* init remote displays */
4436 if (vnc_display) {
4437 Error *local_err = NULL;
4438 vnc_display_init(ds);
4439 vnc_display_open(ds, vnc_display, &local_err);
4440 if (local_err != NULL) {
4441 error_report("Failed to start VNC server on `%s': %s",
4442 vnc_display, error_get_pretty(local_err));
4443 error_free(local_err);
4444 exit(1);
4447 if (show_vnc_port) {
4448 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4451 #endif
4452 #ifdef CONFIG_SPICE
4453 if (using_spice) {
4454 qemu_spice_display_init();
4456 #endif
4458 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4459 exit(1);
4462 qdev_machine_creation_done();
4464 if (rom_load_all() != 0) {
4465 fprintf(stderr, "rom loading failed\n");
4466 exit(1);
4469 /* TODO: once all bus devices are qdevified, this should be done
4470 * when bus is created by qdev.c */
4471 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4472 qemu_run_machine_init_done_notifiers();
4474 /* Done notifiers can load ROMs */
4475 rom_load_done();
4477 qemu_system_reset(VMRESET_SILENT);
4478 if (loadvm) {
4479 if (load_vmstate(loadvm) < 0) {
4480 autostart = 0;
4484 if (incoming) {
4485 Error *local_err = NULL;
4486 qemu_start_incoming_migration(incoming, &local_err);
4487 if (local_err) {
4488 error_report("-incoming %s: %s", incoming,
4489 error_get_pretty(local_err));
4490 error_free(local_err);
4491 exit(1);
4493 } else if (autostart) {
4494 vm_start();
4497 os_setup_post();
4499 if (is_daemonized()) {
4500 if (!trace_backend_init(trace_events, trace_file)) {
4501 exit(1);
4505 main_loop();
4506 bdrv_close_all();
4507 pause_all_vcpus();
4508 res_free();
4509 #ifdef CONFIG_TPM
4510 tpm_cleanup();
4511 #endif
4513 return 0;