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configure: add --enable-tsan flag + fiber annotations for coroutine-ucontext
[qemu.git] / softmmu / vl.c
CommitLineData
0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB		 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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
0824d6fc 23 */
e688df6b 24
d38ea87a 25#include "qemu/osdep.h"
a8d25326 26#include "qemu-common.h"
3dc54b0e 27#include "qemu/units.h"
fe48442f 28#include "hw/boards.h"
a27bd6c7 29#include "hw/qdev-properties.h"
e688df6b 30#include "qapi/error.h"
67a1de0d 31#include "qemu-version.h"
f348b6d1
VB		 32#include "qemu/cutils.h"
33#include "qemu/help_option.h"
cea25275 34#include "qemu/uuid.h"
71e8a915 35#include "sysemu/reset.h"
54d31236 36#include "sysemu/runstate.h"
9c17d615 37#include "sysemu/seccomp.h"
14a48c1d 38#include "sysemu/tcg.h"
da278d58 39#include "sysemu/xen.h"
452dfbef 40
d49b6836 41#include "qemu/error-report.h"
c8897e8e 42#include "qemu/sockets.h"
a1a9cb0c 43#include "sysemu/accel.h"
511d2b14 44#include "hw/usb.h"
0d09e41a 45#include "hw/isa/isa.h"
fb8b660e 46#include "hw/scsi/scsi.h"
866e2b37 47#include "hw/display/vga.h"
0d09e41a 48#include "sysemu/watchdog.h"
a2eb5c0c 49#include "hw/firmware/smbios.h"
9f57061c 50#include "hw/acpi/acpi.h"
0d09e41a 51#include "hw/xen/xen.h"
45a50b16 52#include "hw/loader.h"
b4a42f81 53#include "monitor/qdev.h"
1422e32d 54#include "net/net.h"
68ac40d2 55#include "net/slirp.h"
83c9089e 56#include "monitor/monitor.h"
28ecbaee 57#include "ui/console.h"
e0d2bd51 58#include "ui/input.h"
9c17d615 59#include "sysemu/sysemu.h"
e35704ba 60#include "sysemu/numa.h"
900c0ba3 61#include "sysemu/hostmem.h"
022c62cb 62#include "exec/gdbstub.h"
1de7afc9 63#include "qemu/timer.h"
8228e353 64#include "chardev/char.h"
b33276a7 65#include "qemu/bitmap.h"
03dd024f 66#include "qemu/log.h"
9c17d615 67#include "sysemu/blockdev.h"
0d09e41a 68#include "hw/block/block.h"
7b1e1a22 69#include "migration/misc.h"
5e22479a 70#include "migration/snapshot.h"
84a899de 71#include "migration/global_state.h"
bdee56f5 72#include "sysemu/tpm.h"
9c17d615 73#include "sysemu/dma.h"
8a824e4d 74#include "hw/audio/soundhw.h"
511d2b14 75#include "audio/audio.h"
4b4629d9 76#include "sysemu/cpus.h"
5821ebf9 77#include "migration/colo.h"
1693c64c 78#include "migration/postcopy-ram.h"
9c17d615 79#include "sysemu/kvm.h"
b0cb0a66 80#include "sysemu/hax.h"
42e5f393 81#include "qapi/qobject-input-visitor.h"
1de7afc9
PB		 82#include "qemu/option.h"
83#include "qemu/config-file.h"
59a5264b 84#include "qemu-options.h"
1de7afc9 85#include "qemu/main-loop.h"
758e8e38 86#ifdef CONFIG_VIRTFS
74db920c
GS		 87#include "fsdev/qemu-fsdev.h"
88#endif
9c17d615 89#include "sysemu/qtest.h"
511d2b14 90
76cad711 91#include "disas/disas.h"
fc01f7e7 92
0ab8ed18 93#include "trace-root.h"
e4858974 94#include "trace/control.h"
42229a75 95#include "qemu/plugin.h"
1de7afc9 96#include "qemu/queue.h"
9c17d615 97#include "sysemu/arch_init.h"
72cf2d4f 98
29b0040b 99#include "ui/qemu-spice.h"
68d98d3e 100#include "qapi/string-input-visitor.h"
c4090f8e 101#include "qapi/opts-visitor.h"
776d1344 102#include "qapi/clone-visitor.h"
84321831 103#include "qom/object_interfaces.h"
f1672e6f 104#include "hw/semihosting/semihost.h"
ddbb0d09 105#include "crypto/init.h"
b60c48a7 106#include "sysemu/replay.h"
9af23989
MA		 107#include "qapi/qapi-events-run-state.h"
108#include "qapi/qapi-visit-block-core.h"
776d1344 109#include "qapi/qapi-visit-ui.h"
112ed241 110#include "qapi/qapi-commands-block-core.h"
112ed241 111#include "qapi/qapi-commands-run-state.h"
e1ca8f7e 112#include "qapi/qapi-commands-ui.h"
0194749a 113#include "qapi/qmp/qerror.h"
dce8921b 114#include "sysemu/iothread.h"
9c09a251 115#include "qemu/guest-random.h"
29b0040b 116
98b19252
AS		 117#define MAX_VIRTIO_CONSOLES 1
118
4524051c
GH		 119static const char *data_dir[16];
120static int data_dir_idx;
1192dad8 121const char *bios_name = NULL;
cb5a7aa8 122enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
da076ffe 123int display_opengl;
3d11d0eb 124const char* keyboard_layout = NULL;
c227f099 125ram_addr_t ram_size;
28d16f38 126bool enable_mlock = false;
6f131f13 127bool enable_cpu_pm = false;
c4b1fcc0 128int nb_nics;
7c9d8e07 129NICInfo nd_table[MAX_NICS];
d399f677 130int autostart;
7e166ebd
AP		 131static enum {
132 RTC_BASE_UTC,
133 RTC_BASE_LOCALTIME,
134 RTC_BASE_DATETIME,
135} rtc_base_type = RTC_BASE_UTC;
eb6a5209
AP		 136static time_t rtc_ref_start_datetime;
137static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
138static int rtc_host_datetime_offset = -1; /* valid & used only with
139 RTC_BASE_DATETIME */
884f17c2 140QEMUClockType rtc_clock;
64465297 141int vga_interface_type = VGA_NONE;
0c8d7065 142static DisplayOptions dpy;
b8d880ba
PM		 143static int num_serial_hds;
144static Chardev **serial_hds;
0ec7b3e7 145Chardev *parallel_hds[MAX_PARALLEL_PORTS];
a09db21f 146int win2k_install_hack = 0;
1b530a6d 147int singlestep = 0;
16b29ae1 148int no_hpet = 0;
52ca8d6a 149int fd_bootchk = 1;
4fdcac0e 150static int no_reboot;
b2f76161 151int no_shutdown = 0;
a171fe39 152int graphic_rotate = 0;
09aaa160 153const char *watchdog;
2e55e842 154QEMUOptionRom option_rom[MAX_OPTION_ROMS];
9ae02555 155int nb_option_roms;
2b8f2d41 156int old_param = 0;
c35734b2 157const char *qemu_name;
3780e197 158int alt_grab = 0;
0ca9f8a4 159int ctrl_grab = 0;
66508601
BS		 160unsigned int nb_prom_envs = 0;
161const char *prom_envs[MAX_PROM_ENVS];
95387491 162int boot_menu;
bc74112f 163bool boot_strict;
3d3b8303 164uint8_t *boot_splash_filedata;
811f8652 165int only_migratable; /* turn it off unless user states otherwise */
46ea94ca 166bool wakeup_suspend_enabled;
0824d6fc 167
a8bfac37 168int icount_align_option;
1ca4d09a 169
9c5ce8db 170/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
caad057b
EH		 171 * little-endian "wire format" described in the SMBIOS 2.6 specification.
172 */
9c5ce8db 173QemuUUID qemu_uuid;
fc3b3295 174bool qemu_uuid_set;
8fcb1b90 175
fd42deeb
GH		 176static NotifierList exit_notifiers =
177 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
178
4cab946a
GN		 179static NotifierList machine_init_done_notifiers =
180 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
181
d745bef8
BS		 182uint32_t xen_domid;
183enum xen_mode xen_mode = XEN_EMULATE;
1c599472 184bool xen_domid_restrict;
d745bef8 185
d44229c5 186static int has_defaults = 1;
998bbd74 187static int default_serial = 1;
6a5e8b0e 188static int default_parallel = 1;
abdeed06 189static int default_monitor = 1;
ac33f8fa
GH		 190static int default_floppy = 1;
191static int default_cdrom = 1;
192static int default_sdcard = 1;
7f1b17f2 193static int default_vga = 1;
d30300f7 194static int default_net = 1;
998bbd74
GH		 195
196static struct {
197 const char *driver;
198 int *flag;
199} default_list[] = {
6a5e8b0e
GH		 200 { .driver = "isa-serial", .flag = &default_serial },
201 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf 202 { .driver = "isa-fdc", .flag = &default_floppy },
a92bd191 203 { .driver = "floppy", .flag = &default_floppy },
af6bf132
MA		 204 { .driver = "ide-cd", .flag = &default_cdrom },
205 { .driver = "ide-hd", .flag = &default_cdrom },
d8bcbabf 206 { .driver = "ide-drive", .flag = &default_cdrom },
af6bf132 207 { .driver = "scsi-cd", .flag = &default_cdrom },
f6f99b48 208 { .driver = "scsi-hd", .flag = &default_cdrom },
7f1b17f2
PB		 209 { .driver = "VGA", .flag = &default_vga },
210 { .driver = "isa-vga", .flag = &default_vga },
211 { .driver = "cirrus-vga", .flag = &default_vga },
212 { .driver = "isa-cirrus-vga", .flag = &default_vga },
213 { .driver = "vmware-svga", .flag = &default_vga },
214 { .driver = "qxl-vga", .flag = &default_vga },
a94f0c5c 215 { .driver = "virtio-vga", .flag = &default_vga },
862b4a29 216 { .driver = "ati-vga", .flag = &default_vga },
267f6646 217 { .driver = "vhost-user-vga", .flag = &default_vga },
998bbd74
GH		 218};
219
4d454574
PB		 220static QemuOptsList qemu_rtc_opts = {
221 .name = "rtc",
222 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
eb6a5209 223 .merge_lists = true,
4d454574
PB		 224 .desc = {
225 {
226 .name = "base",
227 .type = QEMU_OPT_STRING,
228 },{
229 .name = "clock",
230 .type = QEMU_OPT_STRING,
231 },{
232 .name = "driftfix",
233 .type = QEMU_OPT_STRING,
234 },
235 { /* end of list */ }
236 },
237};
238
4d454574
PB		 239static QemuOptsList qemu_option_rom_opts = {
240 .name = "option-rom",
241 .implied_opt_name = "romfile",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
243 .desc = {
244 {
245 .name = "bootindex",
246 .type = QEMU_OPT_NUMBER,
247 }, {
248 .name = "romfile",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253};
254
255static QemuOptsList qemu_machine_opts = {
256 .name = "machine",
257 .implied_opt_name = "type",
258 .merge_lists = true,
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
260 .desc = {
49d2e648
MA		 261 /*
262 * no elements => accept any
263 * sanity checking will happen later
264 * when setting machine properties
265 */
266 { }
4d454574
PB		 267 },
268};
269
8d4e9146
FK		 270static QemuOptsList qemu_accel_opts = {
271 .name = "accel",
272 .implied_opt_name = "accel",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
8d4e9146 274 .desc = {
12ceaef6
PB		 275 /*
276 * no elements => accept any
277 * sanity checking will happen later
278 * when setting accelerator properties
279 */
280 { }
8d4e9146
FK		 281 },
282};
283
4d454574
PB		 284static QemuOptsList qemu_boot_opts = {
285 .name = "boot-opts",
6ef4716c
MA		 286 .implied_opt_name = "order",
287 .merge_lists = true,
4d454574
PB		 288 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
289 .desc = {
4d454574
PB		 290 {
291 .name = "order",
292 .type = QEMU_OPT_STRING,
293 }, {
294 .name = "once",
295 .type = QEMU_OPT_STRING,
296 }, {
297 .name = "menu",
6ef4716c 298 .type = QEMU_OPT_BOOL,
4d454574
PB		 299 }, {
300 .name = "splash",
301 .type = QEMU_OPT_STRING,
302 }, {
303 .name = "splash-time",
6912bb0b 304 .type = QEMU_OPT_NUMBER,
4d454574
PB		 305 }, {
306 .name = "reboot-timeout",
ee5d0f89 307 .type = QEMU_OPT_NUMBER,
c8a6ae8b
AK		 308 }, {
309 .name = "strict",
e5187b56 310 .type = QEMU_OPT_BOOL,
4d454574
PB		 311 },
312 { /*End of list */ }
313 },
314};
315
316static QemuOptsList qemu_add_fd_opts = {
317 .name = "add-fd",
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
319 .desc = {
320 {
321 .name = "fd",
322 .type = QEMU_OPT_NUMBER,
323 .help = "file descriptor of which a duplicate is added to fd set",
324 },{
325 .name = "set",
326 .type = QEMU_OPT_NUMBER,
327 .help = "ID of the fd set to add fd to",
328 },{
329 .name = "opaque",
330 .type = QEMU_OPT_STRING,
331 .help = "free-form string used to describe fd",
332 },
333 { /* end of list */ }
334 },
335};
336
337static QemuOptsList qemu_object_opts = {
338 .name = "object",
339 .implied_opt_name = "qom-type",
340 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
341 .desc = {
342 { }
343 },
344};
345
d1a0cf73
SB		 346static QemuOptsList qemu_tpmdev_opts = {
347 .name = "tpmdev",
348 .implied_opt_name = "type",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
350 .desc = {
bb716238 351 /* options are defined in the TPM backends */
d1a0cf73
SB		 352 { /* end of list */ }
353 },
354};
355
888a6bc6
SM		 356static QemuOptsList qemu_realtime_opts = {
357 .name = "realtime",
358 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
359 .desc = {
360 {
361 .name = "mlock",
362 .type = QEMU_OPT_BOOL,
363 },
364 { /* end of list */ }
365 },
366};
367
6f131f13
MT		 368static QemuOptsList qemu_overcommit_opts = {
369 .name = "overcommit",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
371 .desc = {
372 {
373 .name = "mem-lock",
374 .type = QEMU_OPT_BOOL,
375 },
376 {
377 .name = "cpu-pm",
378 .type = QEMU_OPT_BOOL,
379 },
380 { /* end of list */ }
381 },
382};
383
5e2ac519
SA		 384static QemuOptsList qemu_msg_opts = {
385 .name = "msg",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
387 .desc = {
388 {
389 .name = "timestamp",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394};
395
5d12f961
DDAG		 396static QemuOptsList qemu_name_opts = {
397 .name = "name",
398 .implied_opt_name = "guest",
399 .merge_lists = true,
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
401 .desc = {
402 {
403 .name = "guest",
404 .type = QEMU_OPT_STRING,
405 .help = "Sets the name of the guest.\n"
406 "This name will be displayed in the SDL window caption.\n"
407 "The name will also be used for the VNC server",
408 }, {
409 .name = "process",
410 .type = QEMU_OPT_STRING,
411 .help = "Sets the name of the QEMU process, as shown in top etc",
8f480de0
DDAG		 412 }, {
413 .name = "debug-threads",
414 .type = QEMU_OPT_BOOL,
415 .help = "When enabled, name the individual threads; defaults off.\n"
416 "NOTE: The thread names are for debugging and not a\n"
417 "stable API.",
5d12f961
DDAG		 418 },
419 { /* End of list */ }
420 },
421};
422
6e1d3c1c
IM		 423static QemuOptsList qemu_mem_opts = {
424 .name = "memory",
425 .implied_opt_name = "size",
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
427 .merge_lists = true,
428 .desc = {
429 {
430 .name = "size",
431 .type = QEMU_OPT_SIZE,
432 },
c270fb9e
IM		 433 {
434 .name = "slots",
435 .type = QEMU_OPT_NUMBER,
436 },
437 {
438 .name = "maxmem",
439 .type = QEMU_OPT_SIZE,
440 },
6e1d3c1c
IM		 441 { /* end of list */ }
442 },
443};
444
1ad9580b
ST		 445static QemuOptsList qemu_icount_opts = {
446 .name = "icount",
447 .implied_opt_name = "shift",
448 .merge_lists = true,
449 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
450 .desc = {
451 {
452 .name = "shift",
453 .type = QEMU_OPT_STRING,
a8bfac37
ST		 454 }, {
455 .name = "align",
456 .type = QEMU_OPT_BOOL,
f1f4b57e
VC		 457 }, {
458 .name = "sleep",
459 .type = QEMU_OPT_BOOL,
4c27b859
PD		 460 }, {
461 .name = "rr",
462 .type = QEMU_OPT_STRING,
463 }, {
464 .name = "rrfile",
465 .type = QEMU_OPT_STRING,
9c2037d0
PD		 466 }, {
467 .name = "rrsnapshot",
468 .type = QEMU_OPT_STRING,
1ad9580b
ST		 469 },
470 { /* end of list */ }
471 },
472};
473
81b2b810
GS		 474static QemuOptsList qemu_fw_cfg_opts = {
475 .name = "fw_cfg",
476 .implied_opt_name = "name",
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
478 .desc = {
479 {
480 .name = "name",
481 .type = QEMU_OPT_STRING,
482 .help = "Sets the fw_cfg name of the blob to be inserted",
483 }, {
484 .name = "file",
485 .type = QEMU_OPT_STRING,
679be303 486 .help = "Sets the name of the file from which "
81b2b810 487 "the fw_cfg blob will be loaded",
6407d76e
GS		 488 }, {
489 .name = "string",
490 .type = QEMU_OPT_STRING,
491 .help = "Sets content of the blob to be inserted from a string",
81b2b810
GS		 492 },
493 { /* end of list */ }
494 },
495};
496
7f9d6e54
MA		 497/**
498 * Get machine options
499 *
500 * Returns: machine options (never null).
501 */
502QemuOpts *qemu_get_machine_opts(void)
503{
e96e5ae8 504 return qemu_find_opts_singleton("machine");
7f9d6e54
MA		 505}
506
31459f46
RS		 507const char *qemu_get_vm_name(void)
508{
509 return qemu_name;
510}
511
3d3b8303
WX		 512static void res_free(void)
513{
012aef07
MA		 514 g_free(boot_splash_filedata);
515 boot_splash_filedata = NULL;
3d3b8303
WX		 516}
517
28d0de7a 518static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
998bbd74
GH		 519{
520 const char *driver = qemu_opt_get(opts, "driver");
521 int i;
522
523 if (!driver)
524 return 0;
525 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
526 if (strcmp(default_list[i].driver, driver) != 0)
527 continue;
528 *(default_list[i].flag) = 0;
529 }
530 return 0;
531}
532
f5bbfba1
LC		 533/***********************************************************/
534/* QEMU state */
535
047f7038 536static RunState current_run_state = RUN_STATE_PRECONFIG;
f5bbfba1 537
7fb1cf16
EB		 538/* We use RUN_STATE__MAX but any invalid value will do */
539static RunState vmstop_requested = RUN_STATE__MAX;
74892d24
PB		 540static QemuMutex vmstop_lock;
541
5db9d4d1
LC		 542typedef struct {
543 RunState from;
544 RunState to;
545} RunStateTransition;
546
547static const RunStateTransition runstate_transitions_def[] = {
548 /* from -> to */
047f7038
IM		 549 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
550 /* Early switch to inmigrate state to allow -incoming CLI option work
551 * as it used to. TODO: delay actual switching to inmigrate state to
552 * the point after machine is built and remove this hack.
553 */
554 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
555
0461d5a6 556 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
eca01d3a 557 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 558 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
5db9d4d1 559
ca3fc39e
JQ		 560 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
561 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
29ed72f1 562 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
ca3fc39e
JQ		 563 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
564 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
565 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
566 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
567 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
2a6e6e59 568 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
98799b0d
PB		 569 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
570 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
21142ba7 571 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
5db9d4d1 572
0461d5a6 573 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
8a9236f1 574 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 575 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 576
0461d5a6 577 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
8a9236f1 578 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 579 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 580
0461d5a6 581 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
8a9236f1 582 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
505d786f 583 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
7ec13c79 584 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
21142ba7 585 { RUN_STATE_PAUSED, RUN_STATE_COLO},
5db9d4d1 586
0461d5a6 587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
8a9236f1 588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
7ec13c79 589 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
5db9d4d1 590
0461d5a6 591 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
8a9236f1 592 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
0461d5a6 593 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
5db9d4d1 594
0461d5a6 595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
505d786f 596 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
0461d5a6 597 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
7ec13c79 598 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
21142ba7 599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
5db9d4d1 600
0461d5a6 601 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
7ec13c79 602 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
5db9d4d1 603
21142ba7
HZ		 604 { RUN_STATE_COLO, RUN_STATE_RUNNING },
605
0461d5a6
LC		 606 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
607 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
609 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
610 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
613 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
614 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
ede085b3 615 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
21142ba7 616 { RUN_STATE_RUNNING, RUN_STATE_COLO},
5db9d4d1 617
0461d5a6 618 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
5db9d4d1 619
0461d5a6 620 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
8a9236f1 621 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
7ec13c79 622 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
5db9d4d1 623
ad02b96a
LC		 624 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
625 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
626 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
627 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 628 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
21142ba7 629 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
ad02b96a 630
0461d5a6 631 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
8a9236f1 632 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 633 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
21142ba7 634 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
5db9d4d1 635
df390768 636 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
fd2a2e1c 637 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 638 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
ede085b3 639
7fb1cf16 640 { RUN_STATE__MAX, RUN_STATE__MAX },
5db9d4d1
LC		 641};
642
7fb1cf16 643static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
0461d5a6 644
f5bbfba1
LC		 645bool runstate_check(RunState state)
646{
647 return current_run_state == state;
648}
649
5e0f1940
JQ		 650bool runstate_store(char *str, size_t size)
651{
977c736f 652 const char *state = RunState_str(current_run_state);
5e0f1940
JQ		 653 size_t len = strlen(state) + 1;
654
655 if (len > size) {
656 return false;
657 }
658 memcpy(str, state, len);
659 return true;
660}
661
4fdcac0e 662static void runstate_init(void)
5db9d4d1
LC		 663{
664 const RunStateTransition *p;
665
666 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
7fb1cf16 667 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
5db9d4d1
LC		 668 runstate_valid_transitions[p->from][p->to] = true;
669 }
74892d24
PB		 670
671 qemu_mutex_init(&vmstop_lock);
5db9d4d1
LC		 672}
673
674/* This function will abort() on invalid state transitions */
f5bbfba1
LC		 675void runstate_set(RunState new_state)
676{
7fb1cf16 677 assert(new_state < RUN_STATE__MAX);
207c5cd2 678
ff12e3ae 679 trace_runstate_set(current_run_state, RunState_str(current_run_state),
b1939fcd 680 new_state, RunState_str(new_state));
ff12e3ae 681
e92a2d9c
LZ		 682 if (current_run_state == new_state) {
683 return;
684 }
685
207c5cd2 686 if (!runstate_valid_transitions[current_run_state][new_state]) {
f61eddcb 687 error_report("invalid runstate transition: '%s' -> '%s'",
977c736f
MA		 688 RunState_str(current_run_state),
689 RunState_str(new_state));
5db9d4d1
LC		 690 abort();
691 }
ff12e3ae 692
f5bbfba1
LC		 693 current_run_state = new_state;
694}
695
1fa9a5e4 696int runstate_is_running(void)
9e37b9dc 697{
1fa9a5e4 698 return runstate_check(RUN_STATE_RUNNING);
9e37b9dc
LC		 699}
700
ede085b3
HT		 701bool runstate_needs_reset(void)
702{
703 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
df390768 704 runstate_check(RUN_STATE_SHUTDOWN);
ede085b3
HT		 705}
706
1fa9a5e4 707StatusInfo *qmp_query_status(Error **errp)
1354869c 708{
1fa9a5e4
LC		 709 StatusInfo *info = g_malloc0(sizeof(*info));
710
711 info->running = runstate_is_running();
712 info->singlestep = singlestep;
713 info->status = current_run_state;
714
715 return info;
1354869c
LC		 716}
717
2d76e823 718bool qemu_vmstop_requested(RunState *r)
74892d24
PB		 719{
720 qemu_mutex_lock(&vmstop_lock);
721 *r = vmstop_requested;
7fb1cf16 722 vmstop_requested = RUN_STATE__MAX;
74892d24 723 qemu_mutex_unlock(&vmstop_lock);
7fb1cf16 724 return *r < RUN_STATE__MAX;
74892d24
PB		 725}
726
727void qemu_system_vmstop_request_prepare(void)
728{
729 qemu_mutex_lock(&vmstop_lock);
730}
731
732void qemu_system_vmstop_request(RunState state)
733{
734 vmstop_requested = state;
735 qemu_mutex_unlock(&vmstop_lock);
736 qemu_notify_event();
737}
738
8f0056b7 739/***********************************************************/
eb6a5209 740/* RTC reference time/date access */
ac0989f5 741static time_t qemu_ref_timedate(QEMUClockType clock)
eb6a5209 742{
ac0989f5
AP		 743 time_t value = qemu_clock_get_ms(clock) / 1000;
744 switch (clock) {
eb6a5209
AP		 745 case QEMU_CLOCK_REALTIME:
746 value -= rtc_realtime_clock_offset;
4e8de606 747 /* fall through */
eb6a5209
AP		 748 case QEMU_CLOCK_VIRTUAL:
749 value += rtc_ref_start_datetime;
750 break;
751 case QEMU_CLOCK_HOST:
752 if (rtc_base_type == RTC_BASE_DATETIME) {
753 value -= rtc_host_datetime_offset;
754 }
755 break;
756 default:
757 assert(0);
758 }
759 return value;
2ed1ebcf
PD		 760}
761
f6503059
AZ		 762void qemu_get_timedate(struct tm *tm, int offset)
763{
ac0989f5 764 time_t ti = qemu_ref_timedate(rtc_clock);
f6503059 765
f6503059 766 ti += offset;
7e166ebd
AP		 767
768 switch (rtc_base_type) {
eb6a5209 769 case RTC_BASE_DATETIME:
7e166ebd 770 case RTC_BASE_UTC:
eb7ff6fb 771 gmtime_r(&ti, tm);
7e166ebd
AP		 772 break;
773 case RTC_BASE_LOCALTIME:
774 localtime_r(&ti, tm);
775 break;
f6503059 776 }
f6503059
AZ		 777}
778
779int qemu_timedate_diff(struct tm *tm)
780{
781 time_t seconds;
782
7e166ebd 783 switch (rtc_base_type) {
eb6a5209 784 case RTC_BASE_DATETIME:
7e166ebd
AP		 785 case RTC_BASE_UTC:
786 seconds = mktimegm(tm);
787 break;
788 case RTC_BASE_LOCALTIME:
789 {
790 struct tm tmp = *tm;
791 tmp.tm_isdst = -1; /* use timezone to figure it out */
792 seconds = mktime(&tmp);
793 break;
794 }
7e166ebd
AP		 795 default:
796 abort();
797 }
f6503059 798
ac0989f5 799 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
f6503059
AZ		 800}
801
eb6a5209 802static void configure_rtc_base_datetime(const char *startdate)
1ed2fc1f 803{
7e166ebd 804 time_t rtc_start_datetime;
1ed2fc1f
JK		 805 struct tm tm;
806
fdaf2d58
TH		 807 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
808 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
809 /* OK */
810 } else if (sscanf(startdate, "%d-%d-%d",
811 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
812 tm.tm_hour = 0;
813 tm.tm_min = 0;
814 tm.tm_sec = 0;
1ed2fc1f 815 } else {
fdaf2d58
TH		 816 goto date_fail;
817 }
818 tm.tm_year -= 1900;
819 tm.tm_mon--;
7e166ebd
AP		 820 rtc_start_datetime = mktimegm(&tm);
821 if (rtc_start_datetime == -1) {
fdaf2d58 822 date_fail:
7e166ebd 823 error_report("invalid datetime format");
fdaf2d58
TH		 824 error_printf("valid formats: "
825 "'2006-06-17T16:01:21' or '2006-06-17'\n");
826 exit(1);
1ed2fc1f 827 }
eb6a5209
AP		 828 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
829 rtc_ref_start_datetime = rtc_start_datetime;
1ed2fc1f
JK		 830}
831
832static void configure_rtc(QemuOpts *opts)
833{
834 const char *value;
835
eb6a5209
AP		 836 /* Set defaults */
837 rtc_clock = QEMU_CLOCK_HOST;
838 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
839 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
840
1ed2fc1f
JK		 841 value = qemu_opt_get(opts, "base");
842 if (value) {
843 if (!strcmp(value, "utc")) {
7e166ebd 844 rtc_base_type = RTC_BASE_UTC;
1ed2fc1f 845 } else if (!strcmp(value, "localtime")) {
0194749a 846 Error *blocker = NULL;
7e166ebd 847 rtc_base_type = RTC_BASE_LOCALTIME;
0194749a
PD		 848 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
849 "-rtc base=localtime");
850 replay_add_blocker(blocker);
1ed2fc1f 851 } else {
7e166ebd 852 rtc_base_type = RTC_BASE_DATETIME;
eb6a5209 853 configure_rtc_base_datetime(value);
1ed2fc1f
JK		 854 }
855 }
6875204c
JK		 856 value = qemu_opt_get(opts, "clock");
857 if (value) {
858 if (!strcmp(value, "host")) {
884f17c2 859 rtc_clock = QEMU_CLOCK_HOST;
78808141 860 } else if (!strcmp(value, "rt")) {
884f17c2 861 rtc_clock = QEMU_CLOCK_REALTIME;
6875204c 862 } else if (!strcmp(value, "vm")) {
884f17c2 863 rtc_clock = QEMU_CLOCK_VIRTUAL;
6875204c 864 } else {
f61eddcb 865 error_report("invalid option value '%s'", value);
6875204c
JK		 866 exit(1);
867 }
868 }
1ed2fc1f
JK		 869 value = qemu_opt_get(opts, "driftfix");
870 if (value) {
7e4c0336 871 if (!strcmp(value, "slew")) {
1fff3c20
PB		 872 object_register_sugar_prop("mc146818rtc",
873 "lost_tick_policy",
874 "slew");
7e4c0336 875 } else if (!strcmp(value, "none")) {
433acf0d 876 /* discard is default */
1ed2fc1f 877 } else {
f61eddcb 878 error_report("invalid option value '%s'", value);
1ed2fc1f
JK		 879 exit(1);
880 }
881 }
1ed2fc1f
JK		 882}
883
28d0de7a 884static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
5d12f961
DDAG		 885{
886 const char *proc_name;
887
8f480de0
DDAG		 888 if (qemu_opt_get(opts, "debug-threads")) {
889 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
890 }
5d12f961
DDAG		 891 qemu_name = qemu_opt_get(opts, "guest");
892
893 proc_name = qemu_opt_get(opts, "process");
894 if (proc_name) {
895 os_set_proc_name(proc_name);
896 }
5b9d313e
DDAG		 897
898 return 0;
5d12f961
DDAG		 899}
900
f8b6f8ed
MA		 901bool defaults_enabled(void)
902{
903 return has_defaults;
904}
905
587ed6be 906#ifndef _WIN32
28d0de7a 907static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 908{
909 int fd, dupfd, flags;
910 int64_t fdset_id;
911 const char *fd_opaque = NULL;
636a30a8 912 AddfdInfo *fdinfo;
587ed6be
CB		 913
914 fd = qemu_opt_get_number(opts, "fd", -1);
915 fdset_id = qemu_opt_get_number(opts, "set", -1);
916 fd_opaque = qemu_opt_get(opts, "opaque");
917
918 if (fd < 0) {
6353218b 919 error_setg(errp, "fd option is required and must be non-negative");
587ed6be
CB		 920 return -1;
921 }
922
923 if (fd <= STDERR_FILENO) {
6353218b 924 error_setg(errp, "fd cannot be a standard I/O stream");
587ed6be
CB		 925 return -1;
926 }
927
928 /*
929 * All fds inherited across exec() necessarily have FD_CLOEXEC
930 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
931 */
932 flags = fcntl(fd, F_GETFD);
933 if (flags == -1 || (flags & FD_CLOEXEC)) {
6353218b 934 error_setg(errp, "fd is not valid or already in use");
587ed6be
CB		 935 return -1;
936 }
937
938 if (fdset_id < 0) {
6353218b 939 error_setg(errp, "set option is required and must be non-negative");
587ed6be
CB		 940 return -1;
941 }
942
943#ifdef F_DUPFD_CLOEXEC
944 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
945#else
946 dupfd = dup(fd);
947 if (dupfd != -1) {
948 qemu_set_cloexec(dupfd);
949 }
950#endif
951 if (dupfd == -1) {
6353218b 952 error_setg(errp, "error duplicating fd: %s", strerror(errno));
587ed6be
CB		 953 return -1;
954 }
955
956 /* add the duplicate fd, and optionally the opaque string, to the fd set */
636a30a8
PB		 957 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
958 &error_abort);
959 g_free(fdinfo);
587ed6be
CB		 960
961 return 0;
962}
963
28d0de7a 964static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 965{
966 int fd;
967
968 fd = qemu_opt_get_number(opts, "fd", -1);
969 close(fd);
970
971 return 0;
972}
973#endif
974
1ae26a18
AZ		 975/***********************************************************/
976/* QEMU Block devices */
977
2292ddae
MA		 978#define HD_OPTS "media=disk"
979#define CDROM_OPTS "media=cdrom"
980#define FD_OPTS ""
981#define PFLASH_OPTS ""
982#define MTD_OPTS ""
983#define SD_OPTS ""
e4bcb14c 984
28d0de7a 985static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 986{
2d0d2837 987 BlockInterfaceType *block_default_type = opaque;
9dfd7c7a 988
c4f26c9f 989 return drive_new(opts, *block_default_type, errp) == NULL;
9dfd7c7a
GH		 990}
991
28d0de7a 992static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 993{
28de2f88 994 if (qemu_opt_get(opts, "snapshot") == NULL) {
f43e47db 995 qemu_opt_set(opts, "snapshot", "on", &error_abort);
9dfd7c7a
GH		 996 }
997 return 0;
998}
999
3c42ea66
CB		 1000static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1001 int index, const char *optstr)
4e5d9b57
MA		 1002{
1003 QemuOpts *opts;
a66c9dc7 1004 DriveInfo *dinfo;
4e5d9b57 1005
4e5d9b57
MA		 1006 if (!enable || drive_get_by_index(type, index)) {
1007 return;
1008 }
1009
1010 opts = drive_add(type, index, NULL, optstr);
1011 if (snapshot) {
28d0de7a 1012 drive_enable_snapshot(NULL, opts, NULL);
4e5d9b57 1013 }
a66c9dc7 1014
c4f26c9f 1015 dinfo = drive_new(opts, type, &error_abort);
a66c9dc7
JS		 1016 dinfo->is_default = true;
1017
4e5d9b57
MA		 1018}
1019
651af51c
MA		 1020typedef struct BlockdevOptionsQueueEntry {
1021 BlockdevOptions *bdo;
1022 Location loc;
1023 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1024} BlockdevOptionsQueueEntry;
1025
1026typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1027
d11bf9bf
MA		 1028static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1029 MachineClass *machine_class, int snapshot)
1030{
1031 /*
1032 * If the currently selected machine wishes to override the
1033 * units-per-bus property of its default HBA interface type, do so
1034 * now.
1035 */
1036 if (machine_class->units_per_default_bus) {
1037 override_max_devs(machine_class->block_default_type,
1038 machine_class->units_per_default_bus);
1039 }
1040
1041 /* open the virtual block devices */
1042 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1043 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1044
1045 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1046 loc_push_restore(&bdo->loc);
1047 qmp_blockdev_add(bdo->bdo, &error_fatal);
1048 loc_pop(&bdo->loc);
1049 qapi_free_BlockdevOptions(bdo->bdo);
1050 g_free(bdo);
1051 }
25863975 1052 if (snapshot) {
d11bf9bf
MA		 1053 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1054 NULL, NULL);
1055 }
1056 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1057 &machine_class->block_default_type, &error_fatal)) {
1058 /* We printed help */
1059 exit(0);
1060 }
1061
1062 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1063 CDROM_OPTS);
1064 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1065 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1066
1067}
1068
12b7f57e
MT		 1069static QemuOptsList qemu_smp_opts = {
1070 .name = "smp-opts",
1071 .implied_opt_name = "cpus",
1072 .merge_lists = true,
1073 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1074 .desc = {
1075 {
1076 .name = "cpus",
1077 .type = QEMU_OPT_NUMBER,
1078 }, {
1079 .name = "sockets",
1080 .type = QEMU_OPT_NUMBER,
1b458422
LX		 1081 }, {
1082 .name = "dies",
1083 .type = QEMU_OPT_NUMBER,
12b7f57e
MT		 1084 }, {
1085 .name = "cores",
1086 .type = QEMU_OPT_NUMBER,
1087 }, {
1088 .name = "threads",
1089 .type = QEMU_OPT_NUMBER,
1090 }, {
1091 .name = "maxcpus",
1092 .type = QEMU_OPT_NUMBER,
1093 },
1094 { /*End of list */ }
1095 },
1096};
1097
28d16f38 1098static void realtime_init(void)
888a6bc6 1099{
888a6bc6
SM		 1100 if (enable_mlock) {
1101 if (os_mlock() < 0) {
f61eddcb 1102 error_report("locking memory failed");
888a6bc6
SM		 1103 exit(1);
1104 }
1105 }
1106}
1107
5e2ac519
SA		 1108
1109static void configure_msg(QemuOpts *opts)
1110{
deda497b 1111 error_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false);
5e2ac519
SA		 1112}
1113
a59d31a1 1114
a594cfbf
FB		 1115/***********************************************************/
1116/* USB devices */
1117
fb08000c 1118static int usb_device_add(const char *devname)
a594cfbf 1119{
a5d2f727 1120 USBDevice *dev = NULL;
a594cfbf 1121
4bcbe0b6 1122 if (!machine_usb(current_machine)) {
a594cfbf 1123 return -1;
094b287f 1124 }
a594cfbf 1125
0958b4cc 1126 dev = usbdevice_create(devname);
0d92ed30
PB		 1127 if (!dev)
1128 return -1;
1129
a594cfbf
FB		 1130 return 0;
1131}
1132
bd3c948d
GH		 1133static int usb_parse(const char *cmdline)
1134{
59d1c1c2 1135 int r;
fb08000c 1136 r = usb_device_add(cmdline);
59d1c1c2 1137 if (r < 0) {
f61eddcb 1138 error_report("could not add USB device '%s'", cmdline);
59d1c1c2
ST		 1139 }
1140 return r;
bd3c948d
GH		 1141}
1142
cc1daa40
FB		 1143/***********************************************************/
1144/* machine registration */
1145
0056ae24 1146MachineState *current_machine;
cc1daa40 1147
c516cd1b 1148static MachineClass *find_machine(const char *name, GSList *machines)
cc1daa40 1149{
c516cd1b 1150 GSList *el;
cc1daa40 1151
261747f1 1152 for (el = machines; el; el = el->next) {
f2c93021 1153 MachineClass *mc = el->data;
261747f1 1154
f2c93021
MA		 1155 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1156 return mc;
261747f1 1157 }
cc1daa40 1158 }
261747f1 1159
f2c93021 1160 return NULL;
cc1daa40
FB		 1161}
1162
c516cd1b 1163static MachineClass *find_default_machine(GSList *machines)
0c257437 1164{
c516cd1b 1165 GSList *el;
6db1857e 1166 MachineClass *default_machineclass = NULL;
0c257437 1167
261747f1 1168 for (el = machines; el; el = el->next) {
f2c93021 1169 MachineClass *mc = el->data;
261747f1 1170
f2c93021 1171 if (mc->is_default) {
6db1857e
PMD		 1172 assert(default_machineclass == NULL && "Multiple default machines");
1173 default_machineclass = mc;
0c257437
AL		 1174 }
1175 }
261747f1 1176
6db1857e 1177 return default_machineclass;
0c257437
AL		 1178}
1179
52eb3dfd
MA		 1180static int machine_help_func(QemuOpts *opts, MachineState *machine)
1181{
1182 ObjectProperty *prop;
7746abd8 1183 ObjectPropertyIterator iter;
52eb3dfd
MA		 1184
1185 if (!qemu_opt_has_help_opt(opts)) {
1186 return 0;
1187 }
1188
7746abd8
DB		 1189 object_property_iter_init(&iter, OBJECT(machine));
1190 while ((prop = object_property_iter_next(&iter))) {
52eb3dfd
MA		 1191 if (!prop->set) {
1192 continue;
1193 }
1194
26eaf2cd
MA		 1195 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1196 prop->name, prop->type);
52eb3dfd 1197 if (prop->description) {
26eaf2cd 1198 printf(" (%s)\n", prop->description);
52eb3dfd 1199 } else {
26eaf2cd 1200 printf("\n");
52eb3dfd
MA		 1201 }
1202 }
1203
1204 return 1;
1205}
1206
2f780b6a 1207struct VMChangeStateEntry {
0bd48850
FB		 1208 VMChangeStateHandler *cb;
1209 void *opaque;
2f780b6a 1210 QTAILQ_ENTRY(VMChangeStateEntry) entries;
60dbc5a1 1211 int priority;
0bd48850
FB		 1212};
1213
2f780b6a 1214static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
0bd48850 1215
60dbc5a1
SH		 1216/**
1217 * qemu_add_vm_change_state_handler_prio:
1218 * @cb: the callback to invoke
1219 * @opaque: user data passed to the callback
1220 * @priority: low priorities execute first when the vm runs and the reverse is
1221 * true when the vm stops
1222 *
1223 * Register a callback function that is invoked when the vm starts or stops
1224 * running.
1225 *
1226 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1227 */
1228VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1229 VMChangeStateHandler *cb, void *opaque, int priority)
0bd48850
FB		 1230{
1231 VMChangeStateEntry *e;
60dbc5a1 1232 VMChangeStateEntry *other;
0bd48850 1233
60dbc5a1 1234 e = g_malloc0(sizeof(*e));
0bd48850
FB		 1235 e->cb = cb;
1236 e->opaque = opaque;
60dbc5a1
SH		 1237 e->priority = priority;
1238
1239 /* Keep list sorted in ascending priority order */
1240 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1241 if (priority < other->priority) {
1242 QTAILQ_INSERT_BEFORE(other, e, entries);
1243 return e;
1244 }
1245 }
1246
1247 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
0bd48850
FB		 1248 return e;
1249}
1250
60dbc5a1
SH		 1251VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1252 void *opaque)
1253{
1254 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1255}
1256
0bd48850
FB		 1257void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1258{
60dbc5a1
SH		 1259 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1260 g_free(e);
0bd48850
FB		 1261}
1262
1dfb4dd9 1263void vm_state_notify(int running, RunState state)
0bd48850 1264{
9b10ac86 1265 VMChangeStateEntry *e, *next;
0bd48850 1266
ff12e3ae 1267 trace_vm_state_notify(running, state, RunState_str(state));
94b0b5ff 1268
60dbc5a1
SH		 1269 if (running) {
1270 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1271 e->cb(e->opaque, running, state);
1272 }
1273 } else {
1274 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1275 e->cb(e->opaque, running, state);
1276 }
0bd48850
FB		 1277 }
1278}
1279
aedbe192
EB		 1280static ShutdownCause reset_requested;
1281static ShutdownCause shutdown_requested;
1282static int shutdown_signal;
f64622c4 1283static pid_t shutdown_pid;
3475187d 1284static int powerdown_requested;
8cf71710 1285static int debug_requested;
95b363b5 1286static int suspend_requested;
047f7038 1287static bool preconfig_exit_requested = true;
4bc78a87 1288static WakeupReason wakeup_reason;
a9552c8e
IM		 1289static NotifierList powerdown_notifiers =
1290 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
95b363b5
GH		 1291static NotifierList suspend_notifiers =
1292 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1293static NotifierList wakeup_notifiers =
1294 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
2dadd753
YS		 1295static NotifierList shutdown_notifiers =
1296 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
4bc78a87 1297static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
bb0c6722 1298
aedbe192 1299ShutdownCause qemu_shutdown_requested_get(void)
1291eb35
AP		 1300{
1301 return shutdown_requested;
1302}
1303
aedbe192 1304ShutdownCause qemu_reset_requested_get(void)
1291eb35
AP		 1305{
1306 return reset_requested;
1307}
1308
4fdcac0e 1309static int qemu_shutdown_requested(void)
cf7a2fe2 1310{
aedbe192 1311 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
cf7a2fe2
AJ		 1312}
1313
4fdcac0e 1314static void qemu_kill_report(void)
f64622c4 1315{
7af88279 1316 if (!qtest_driver() && shutdown_signal) {
f1d3fb04
PM		 1317 if (shutdown_pid == 0) {
1318 /* This happens for eg ^C at the terminal, so it's worth
1319 * avoiding printing an odd message in that case.
1320 */
f61eddcb 1321 error_report("terminating on signal %d", shutdown_signal);
f1d3fb04 1322 } else {
fbe7e332
MP		 1323 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1324
1325 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1326 shutdown_signal, shutdown_pid,
1327 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1328 g_free(shutdown_cmd);
f1d3fb04 1329 }
7af88279 1330 shutdown_signal = 0;
f64622c4
GN		 1331 }
1332}
1333
aedbe192 1334static ShutdownCause qemu_reset_requested(void)
cf7a2fe2 1335{
aedbe192
EB		 1336 ShutdownCause r = reset_requested;
1337
8bd7f71d 1338 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
aedbe192 1339 reset_requested = SHUTDOWN_CAUSE_NONE;
8bd7f71d
PD		 1340 return r;
1341 }
aedbe192 1342 return SHUTDOWN_CAUSE_NONE;
cf7a2fe2
AJ		 1343}
1344
95b363b5
GH		 1345static int qemu_suspend_requested(void)
1346{
1347 int r = suspend_requested;
8bd7f71d
PD		 1348 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1349 suspend_requested = 0;
1350 return r;
1351 }
1352 return false;
95b363b5
GH		 1353}
1354
4bc78a87 1355static WakeupReason qemu_wakeup_requested(void)
14058196 1356{
4bc78a87 1357 return wakeup_reason;
14058196
LC		 1358}
1359
4fdcac0e 1360static int qemu_powerdown_requested(void)
cf7a2fe2
AJ		 1361{
1362 int r = powerdown_requested;
1363 powerdown_requested = 0;
1364 return r;
1365}
1366
e568902a
AL		 1367static int qemu_debug_requested(void)
1368{
1369 int r = debug_requested;
1370 debug_requested = 0;
1371 return r;
1372}
1373
047f7038
IM		 1374void qemu_exit_preconfig_request(void)
1375{
1376 preconfig_exit_requested = true;
1377}
1378
aedbe192
EB		 1379/*
1380 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1381 */
1382void qemu_system_reset(ShutdownCause reason)
be522029 1383{
0056ae24
MA		 1384 MachineClass *mc;
1385
1386 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1387
efdaf797
DG		 1388 cpu_synchronize_all_states();
1389
958db90c 1390 if (mc && mc->reset) {
a0628599 1391 mc->reset(current_machine);
be522029
DG		 1392 } else {
1393 qemu_devices_reset();
1394 }
3bf5de52 1395 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
ecd7a0d5 1396 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
e063eb1f 1397 }
ea375f9a 1398 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1399}
1400
4b5e06c9
NP		 1401/*
1402 * Wake the VM after suspend.
1403 */
1404static void qemu_system_wakeup(void)
1405{
1406 MachineClass *mc;
1407
1408 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1409
1410 if (mc && mc->wakeup) {
1411 mc->wakeup(current_machine);
4b5e06c9
NP		 1412 }
1413}
1414
c86f106b 1415void qemu_system_guest_panicked(GuestPanicInformation *info)
5f5b5942 1416{
4ada99ad 1417 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
f47291b7 1418
bac05aa9
AS		 1419 if (current_cpu) {
1420 current_cpu->crash_occurred = true;
1421 }
c86f106b 1422 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
3ab72385 1423 !!info, info);
5f5b5942 1424 vm_stop(RUN_STATE_GUEST_PANICKED);
864111f4
CB		 1425 if (!no_shutdown) {
1426 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
3ab72385 1427 !!info, info);
cf83f140 1428 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
864111f4 1429 }
c86f106b
AN		 1430
1431 if (info) {
e8ed97a6 1432 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
4ada99ad 1433 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
f47291b7 1434 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
e8ed97a6
AN		 1435 info->u.hyper_v.arg1,
1436 info->u.hyper_v.arg2,
1437 info->u.hyper_v.arg3,
1438 info->u.hyper_v.arg4,
1439 info->u.hyper_v.arg5);
4ada99ad
CB		 1440 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1441 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1442 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1443 info->u.s390.core,
1444 S390CrashReason_str(info->u.s390.reason),
1445 info->u.s390.psw_mask,
1446 info->u.s390.psw_addr);
f47291b7 1447 }
c86f106b
AN		 1448 qapi_free_GuestPanicInformation(info);
1449 }
5f5b5942
AS		 1450}
1451
7dc58dee
ZP		 1452void qemu_system_guest_crashloaded(GuestPanicInformation *info)
1453{
1454 qemu_log_mask(LOG_GUEST_ERROR, "Guest crash loaded");
1455
1456 qapi_event_send_guest_crashloaded(GUEST_PANIC_ACTION_RUN,
1457 !!info, info);
1458
1459 if (info) {
1460 qapi_free_GuestPanicInformation(info);
1461 }
1462}
1463
cf83f140 1464void qemu_system_reset_request(ShutdownCause reason)
bb0c6722 1465{
76ed4b18 1466 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
cf83f140 1467 shutdown_requested = reason;
d1beab82 1468 } else {
cf83f140 1469 reset_requested = reason;
d1beab82 1470 }
b4a3d965 1471 cpu_stop_current();
d9f75a4e 1472 qemu_notify_event();
bb0c6722
FB		 1473}
1474
95b363b5
GH		 1475static void qemu_system_suspend(void)
1476{
1477 pause_all_vcpus();
1478 notifier_list_notify(&suspend_notifiers, NULL);
ad02b96a 1479 runstate_set(RUN_STATE_SUSPENDED);
3ab72385 1480 qapi_event_send_suspend();
95b363b5
GH		 1481}
1482
1483void qemu_system_suspend_request(void)
1484{
9abc62f6 1485 if (runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1486 return;
1487 }
1488 suspend_requested = 1;
1489 cpu_stop_current();
1490 qemu_notify_event();
1491}
1492
1493void qemu_register_suspend_notifier(Notifier *notifier)
1494{
1495 notifier_list_add(&suspend_notifiers, notifier);
1496}
1497
fb064112 1498void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
95b363b5 1499{
4fed9421
AK		 1500 trace_system_wakeup_request(reason);
1501
9abc62f6 1502 if (!runstate_check(RUN_STATE_SUSPENDED)) {
fb064112
DHB		 1503 error_setg(errp,
1504 "Unable to wake up: guest is not in suspended state");
95b363b5
GH		 1505 return;
1506 }
1507 if (!(wakeup_reason_mask & (1 << reason))) {
1508 return;
1509 }
ad02b96a 1510 runstate_set(RUN_STATE_RUNNING);
4bc78a87 1511 wakeup_reason = reason;
95b363b5 1512 qemu_notify_event();
95b363b5
GH		 1513}
1514
1515void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1516{
1517 if (enabled) {
1518 wakeup_reason_mask |= (1 << reason);
1519 } else {
1520 wakeup_reason_mask &= ~(1 << reason);
1521 }
1522}
1523
1524void qemu_register_wakeup_notifier(Notifier *notifier)
1525{
1526 notifier_list_add(&wakeup_notifiers, notifier);
1527}
1528
46ea94ca
DHB		 1529void qemu_register_wakeup_support(void)
1530{
1531 wakeup_suspend_enabled = true;
1532}
1533
fb064112 1534bool qemu_wakeup_suspend_enabled(void)
46ea94ca
DHB		 1535{
1536 return wakeup_suspend_enabled;
1537}
1538
f64622c4
GN		 1539void qemu_system_killed(int signal, pid_t pid)
1540{
1541 shutdown_signal = signal;
1542 shutdown_pid = pid;
d9389b96 1543 no_shutdown = 0;
8bd7f71d
PD		 1544
1545 /* Cannot call qemu_system_shutdown_request directly because
1546 * we are in a signal handler.
1547 */
aedbe192 1548 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
8bd7f71d 1549 qemu_notify_event();
f64622c4
GN		 1550}
1551
cf83f140 1552void qemu_system_shutdown_request(ShutdownCause reason)
bb0c6722 1553{
cf83f140
EB		 1554 trace_qemu_system_shutdown_request(reason);
1555 replay_shutdown_request(reason);
1556 shutdown_requested = reason;
d9f75a4e 1557 qemu_notify_event();
bb0c6722
FB		 1558}
1559
013c2f15
IM		 1560static void qemu_system_powerdown(void)
1561{
3ab72385 1562 qapi_event_send_powerdown();
013c2f15
IM		 1563 notifier_list_notify(&powerdown_notifiers, NULL);
1564}
1565
2dadd753
YS		 1566static void qemu_system_shutdown(ShutdownCause cause)
1567{
1568 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1569 notifier_list_notify(&shutdown_notifiers, &cause);
1570}
1571
3475187d
FB		 1572void qemu_system_powerdown_request(void)
1573{
bc78cff9 1574 trace_qemu_system_powerdown_request();
3475187d 1575 powerdown_requested = 1;
d9f75a4e
AL		 1576 qemu_notify_event();
1577}
1578
a9552c8e
IM		 1579void qemu_register_powerdown_notifier(Notifier *notifier)
1580{
1581 notifier_list_add(&powerdown_notifiers, notifier);
1582}
1583
2dadd753
YS		 1584void qemu_register_shutdown_notifier(Notifier *notifier)
1585{
1586 notifier_list_add(&shutdown_notifiers, notifier);
1587}
1588
8cf71710
JK		 1589void qemu_system_debug_request(void)
1590{
1591 debug_requested = 1;
83f338f7 1592 qemu_notify_event();
8cf71710
JK		 1593}
1594
99435906
PB		 1595static bool main_loop_should_exit(void)
1596{
1597 RunState r;
aedbe192
EB		 1598 ShutdownCause request;
1599
047f7038
IM		 1600 if (preconfig_exit_requested) {
1601 if (runstate_check(RUN_STATE_PRECONFIG)) {
1602 runstate_set(RUN_STATE_PRELAUNCH);
1603 }
1604 preconfig_exit_requested = false;
1605 return true;
1606 }
99435906
PB		 1607 if (qemu_debug_requested()) {
1608 vm_stop(RUN_STATE_DEBUG);
1609 }
95b363b5
GH		 1610 if (qemu_suspend_requested()) {
1611 qemu_system_suspend();
1612 }
aedbe192
EB		 1613 request = qemu_shutdown_requested();
1614 if (request) {
99435906 1615 qemu_kill_report();
2dadd753 1616 qemu_system_shutdown(request);
99435906
PB		 1617 if (no_shutdown) {
1618 vm_stop(RUN_STATE_SHUTDOWN);
1619 } else {
1620 return true;
1621 }
1622 }
aedbe192
EB		 1623 request = qemu_reset_requested();
1624 if (request) {
99435906 1625 pause_all_vcpus();
aedbe192 1626 qemu_system_reset(request);
99435906 1627 resume_all_vcpus();
ddad81bd
LV		 1628 /*
1629 * runstate can change in pause_all_vcpus()
1630 * as iothread mutex is unlocked
1631 */
7ec13c79 1632 if (!runstate_check(RUN_STATE_RUNNING) &&
ddad81bd
LV		 1633 !runstate_check(RUN_STATE_INMIGRATE) &&
1634 !runstate_check(RUN_STATE_FINISH_MIGRATE)) {
7ec13c79 1635 runstate_set(RUN_STATE_PRELAUNCH);
99435906
PB		 1636 }
1637 }
14058196
LC		 1638 if (qemu_wakeup_requested()) {
1639 pause_all_vcpus();
4b5e06c9 1640 qemu_system_wakeup();
4bc78a87
LJ		 1641 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1642 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
14058196 1643 resume_all_vcpus();
3ab72385 1644 qapi_event_send_wakeup();
14058196 1645 }
99435906 1646 if (qemu_powerdown_requested()) {
013c2f15 1647 qemu_system_powerdown();
99435906
PB		 1648 }
1649 if (qemu_vmstop_requested(&r)) {
1650 vm_stop(r);
1651 }
1652 return false;
1653}
1654
7b733862 1655void qemu_main_loop(void)
43b96858 1656{
8e1b90ec
JK		 1657#ifdef CONFIG_PROFILER
1658 int64_t ti;
1659#endif
0f5319ea 1660 while (!main_loop_should_exit()) {
89bfc105 1661#ifdef CONFIG_PROFILER
46481d39 1662 ti = profile_getclock();
89bfc105 1663#endif
e330c118 1664 main_loop_wait(false);
89bfc105 1665#ifdef CONFIG_PROFILER
46481d39 1666 dev_time += profile_getclock() - ti;
89bfc105 1667#endif
0f5319ea 1668 }
b4608c04
FB		 1669}
1670
9bd7e6d9
PB		 1671static void version(void)
1672{
7e563bfb 1673 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
d915b7bb 1674 QEMU_COPYRIGHT "\n");
9bd7e6d9
PB		 1675}
1676
15f82208 1677static void help(int exitcode)
0824d6fc 1678{
a3adb7ad
ME		 1679 version();
1680 printf("usage: %s [options] [disk_image]\n\n"
1681 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1682 error_get_progname());
1683
77bd1119
ME		 1684#define QEMU_OPTIONS_GENERATE_HELP
1685#include "qemu-options-wrapper.h"
a3adb7ad
ME		 1686
1687 printf("\nDuring emulation, the following keys are useful:\n"
3f020d70 1688 "ctrl-alt-f toggle full screen\n"
1689 "ctrl-alt-n switch to virtual console 'n'\n"
1690 "ctrl-alt toggle mouse and keyboard grab\n"
1691 "\n"
f5048cb7
EB		 1692 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1693 "\n"
1694 QEMU_HELP_BOTTOM "\n");
a3adb7ad 1695
15f82208 1696 exit(exitcode);
0824d6fc
FB		 1697}
1698
cd6f1169
FB		 1699#define HAS_ARG 0x0001
1700
cd6f1169
FB		 1701typedef struct QEMUOption {
1702 const char *name;
1703 int flags;
1704 int index;
ad96090a 1705 uint32_t arch_mask;
cd6f1169
FB		 1706} QEMUOption;
1707
dbed7e40 1708static const QEMUOption qemu_options[] = {
ad96090a 1709 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
77bd1119
ME		 1710#define QEMU_OPTIONS_GENERATE_OPTIONS
1711#include "qemu-options-wrapper.h"
cd6f1169 1712 { NULL },
fc01f7e7 1713};
a369da5f 1714
8c9a2b71
EH		 1715typedef struct VGAInterfaceInfo {
1716 const char *opt_name; /* option name */
1717 const char *name; /* human-readable name */
c2c7b22d
EH		 1718 /* Class names indicating that support is available.
1719 * If no class is specified, the interface is always available */
1720 const char *class_names[2];
8c9a2b71
EH		 1721} VGAInterfaceInfo;
1722
53b93511 1723static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
8c9a2b71
EH		 1724 [VGA_NONE] = {
1725 .opt_name = "none",
d2fa65cd 1726 .name = "no graphic card",
8c9a2b71
EH		 1727 },
1728 [VGA_STD] = {
1729 .opt_name = "std",
1730 .name = "standard VGA",
c2c7b22d 1731 .class_names = { "VGA", "isa-vga" },
8c9a2b71
EH		 1732 },
1733 [VGA_CIRRUS] = {
1734 .opt_name = "cirrus",
1735 .name = "Cirrus VGA",
c2c7b22d 1736 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
8c9a2b71
EH		 1737 },
1738 [VGA_VMWARE] = {
1739 .opt_name = "vmware",
1740 .name = "VMWare SVGA",
c2c7b22d 1741 .class_names = { "vmware-svga" },
8c9a2b71
EH		 1742 },
1743 [VGA_VIRTIO] = {
1744 .opt_name = "virtio",
1745 .name = "Virtio VGA",
c2c7b22d 1746 .class_names = { "virtio-vga" },
8c9a2b71
EH		 1747 },
1748 [VGA_QXL] = {
1749 .opt_name = "qxl",
1750 .name = "QXL VGA",
c2c7b22d 1751 .class_names = { "qxl-vga" },
8c9a2b71
EH		 1752 },
1753 [VGA_TCX] = {
1754 .opt_name = "tcx",
1755 .name = "TCX framebuffer",
c2c7b22d 1756 .class_names = { "SUNW,tcx" },
8c9a2b71
EH		 1757 },
1758 [VGA_CG3] = {
1759 .opt_name = "cg3",
1760 .name = "CG3 framebuffer",
c2c7b22d 1761 .class_names = { "cgthree" },
8c9a2b71
EH		 1762 },
1763 [VGA_XENFB] = {
1764 .opt_name = "xenfb",
d2fa65cd 1765 .name = "Xen paravirtualized framebuffer",
8c9a2b71
EH		 1766 },
1767};
1768
c2c7b22d
EH		 1769static bool vga_interface_available(VGAInterfaceType t)
1770{
53b93511 1771 const VGAInterfaceInfo *ti = &vga_interfaces[t];
c2c7b22d
EH		 1772
1773 assert(t < VGA_TYPE_MAX);
1774 return !ti->class_names[0] ||
1775 object_class_by_name(ti->class_names[0]) ||
1776 object_class_by_name(ti->class_names[1]);
1777}
1778
dceb8852
MAL		 1779static const char *
1780get_default_vga_model(const MachineClass *machine_class)
1781{
1782 if (machine_class->default_display) {
1783 return machine_class->default_display;
1784 } else if (vga_interface_available(VGA_CIRRUS)) {
1785 return "cirrus";
1786 } else if (vga_interface_available(VGA_STD)) {
1787 return "std";
1788 }
1789
1790 return NULL;
1791}
1792
1793static void select_vgahw(const MachineClass *machine_class, const char *p)
3893c124 1794{
1795 const char *opts;
8c9a2b71 1796 int t;
3893c124 1797
dceb8852
MAL		 1798 if (g_str_equal(p, "help")) {
1799 const char *def = get_default_vga_model(machine_class);
1800
1801 for (t = 0; t < VGA_TYPE_MAX; t++) {
1802 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1803
1804 if (vga_interface_available(t) && ti->opt_name) {
1805 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1806 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1807 }
1808 }
1809 exit(0);
1810 }
1811
d44229c5 1812 assert(vga_interface_type == VGA_NONE);
8c9a2b71 1813 for (t = 0; t < VGA_TYPE_MAX; t++) {
53b93511 1814 const VGAInterfaceInfo *ti = &vga_interfaces[t];
8c9a2b71 1815 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
c2c7b22d 1816 if (!vga_interface_available(t)) {
8c9a2b71
EH		 1817 error_report("%s not available", ti->name);
1818 exit(1);
1819 }
1820 vga_interface_type = t;
1821 break;
af87bf29 1822 }
8c9a2b71
EH		 1823 }
1824 if (t == VGA_TYPE_MAX) {
3893c124 1825 invalid_vga:
3e515373 1826 error_report("unknown vga type: %s", p);
3893c124 1827 exit(1);
1828 }
cb5a7aa8 1829 while (*opts) {
1830 const char *nextopt;
1831
1832 if (strstart(opts, ",retrace=", &nextopt)) {
1833 opts = nextopt;
1834 if (strstart(opts, "dumb", &nextopt))
1835 vga_retrace_method = VGA_RETRACE_DUMB;
1836 else if (strstart(opts, "precise", &nextopt))
1837 vga_retrace_method = VGA_RETRACE_PRECISE;
1838 else goto invalid_vga;
1839 } else goto invalid_vga;
1840 opts = nextopt;
1841 }
3893c124 1842}
1843
776d1344
GH		 1844static void parse_display_qapi(const char *optarg)
1845{
776d1344
GH		 1846 DisplayOptions *opts;
1847 Visitor *v;
1848
50beeb68 1849 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
776d1344
GH		 1850
1851 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1852 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1853
1854 qapi_free_DisplayOptions(opts);
1855 visit_free(v);
1856}
1857
e1ca8f7e
GH		 1858DisplayOptions *qmp_query_display_options(Error **errp)
1859{
1860 return QAPI_CLONE(DisplayOptions, &dpy);
1861}
1862
e3af9f9a 1863static void parse_display(const char *p)
1472a95b
JS		 1864{
1865 const char *opts;
1472a95b 1866
c388f408
TH		 1867 if (is_help_option(p)) {
1868 qemu_display_help();
1869 exit(0);
1870 }
1871
1472a95b 1872 if (strstart(p, "sdl", &opts)) {
7a61f438
GH		 1873 /*
1874 * sdl DisplayType needs hand-crafted parser instead of
1875 * parse_display_qapi() due to some options not in
1876 * DisplayOptions, specifically:
1877 * - frame
1878 * Already deprecated.
1879 * - ctrl_grab + alt_grab
1880 * Not clear yet what happens to them long-term. Should
1881 * replaced by something better or deprecated and dropped.
1882 */
fe91f36a 1883 dpy.type = DISPLAY_TYPE_SDL;
1472a95b
JS		 1884 while (*opts) {
1885 const char *nextopt;
1886
09bd7ba9 1887 if (strstart(opts, ",alt_grab=", &nextopt)) {
1472a95b
JS		 1888 opts = nextopt;
1889 if (strstart(opts, "on", &nextopt)) {
1890 alt_grab = 1;
1891 } else if (strstart(opts, "off", &nextopt)) {
1892 alt_grab = 0;
1893 } else {
05175535 1894 goto invalid_sdl_args;
1472a95b
JS		 1895 }
1896 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1897 opts = nextopt;
1898 if (strstart(opts, "on", &nextopt)) {
1899 ctrl_grab = 1;
1900 } else if (strstart(opts, "off", &nextopt)) {
1901 ctrl_grab = 0;
1902 } else {
05175535 1903 goto invalid_sdl_args;
1472a95b
JS		 1904 }
1905 } else if (strstart(opts, ",window_close=", &nextopt)) {
1906 opts = nextopt;
fe91f36a 1907 dpy.has_window_close = true;
1472a95b 1908 if (strstart(opts, "on", &nextopt)) {
fe91f36a 1909 dpy.window_close = true;
1472a95b 1910 } else if (strstart(opts, "off", &nextopt)) {
fe91f36a 1911 dpy.window_close = false;
1472a95b 1912 } else {
05175535 1913 goto invalid_sdl_args;
1472a95b 1914 }
86a088e6
GH		 1915 } else if (strstart(opts, ",show-cursor=", &nextopt)) {
1916 opts = nextopt;
1917 dpy.has_show_cursor = true;
1918 if (strstart(opts, "on", &nextopt)) {
1919 dpy.show_cursor = true;
1920 } else if (strstart(opts, "off", &nextopt)) {
1921 dpy.show_cursor = false;
1922 } else {
1923 goto invalid_sdl_args;
1924 }
0b71a5d5
GH		 1925 } else if (strstart(opts, ",gl=", &nextopt)) {
1926 opts = nextopt;
fe91f36a 1927 dpy.has_gl = true;
0b71a5d5 1928 if (strstart(opts, "on", &nextopt)) {
62f27922 1929 dpy.gl = DISPLAYGL_MODE_ON;
4867e47c
ET		 1930 } else if (strstart(opts, "core", &nextopt)) {
1931 dpy.gl = DISPLAYGL_MODE_CORE;
1932 } else if (strstart(opts, "es", &nextopt)) {
1933 dpy.gl = DISPLAYGL_MODE_ES;
0b71a5d5 1934 } else if (strstart(opts, "off", &nextopt)) {
62f27922 1935 dpy.gl = DISPLAYGL_MODE_OFF;
0b71a5d5
GH		 1936 } else {
1937 goto invalid_sdl_args;
1938 }
1472a95b 1939 } else {
05175535 1940 invalid_sdl_args:
3e515373 1941 error_report("invalid SDL option string");
05175535 1942 exit(1);
1472a95b
JS		 1943 }
1944 opts = nextopt;
1945 }
3264ff12 1946 } else if (strstart(p, "vnc", &opts)) {
7a61f438
GH		 1947 /*
1948 * vnc isn't a (local) DisplayType but a protocol for remote
1949 * display access.
1950 */
4db14629 1951 if (*opts == '=') {
7b1ee0f2 1952 vnc_parse(opts + 1, &error_fatal);
4db14629 1953 } else {
c6bf0f7f 1954 error_report("VNC requires a display argument vnc=<display>");
3264ff12
JS		 1955 exit(1);
1956 }
1472a95b 1957 } else {
776d1344 1958 parse_display_qapi(p);
1472a95b 1959 }
1472a95b
JS		 1960}
1961
5cea8590
PB		 1962char *qemu_find_file(int type, const char *name)
1963{
4524051c 1964 int i;
5cea8590
PB		 1965 const char *subdir;
1966 char *buf;
1967
31783203
PM		 1968 /* Try the name as a straight path first */
1969 if (access(name, R_OK) == 0) {
4524051c 1970 trace_load_file(name, name);
7267c094 1971 return g_strdup(name);
5cea8590 1972 }
4524051c 1973
5cea8590
PB		 1974 switch (type) {
1975 case QEMU_FILE_TYPE_BIOS:
1976 subdir = "";
1977 break;
1978 case QEMU_FILE_TYPE_KEYMAP:
1979 subdir = "keymaps/";
1980 break;
1981 default:
1982 abort();
1983 }
4524051c
GH		 1984
1985 for (i = 0; i < data_dir_idx; i++) {
1986 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
1987 if (access(buf, R_OK) == 0) {
1988 trace_load_file(name, buf);
1989 return buf;
1990 }
7267c094 1991 g_free(buf);
5cea8590 1992 }
4524051c 1993 return NULL;
5cea8590
PB		 1994}
1995
7a071a96 1996void qemu_add_data_dir(const char *path)
2a1cce90
GH		 1997{
1998 int i;
1999
2000 if (path == NULL) {
2001 return;
2002 }
2003 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2004 return;
2005 }
2006 for (i = 0; i < data_dir_idx; i++) {
2007 if (strcmp(data_dir[i], path) == 0) {
2008 return; /* duplicate */
2009 }
2010 }
35471127 2011 data_dir[data_dir_idx++] = g_strdup(path);
2a1cce90
GH		 2012}
2013
6407d76e
GS		 2014static inline bool nonempty_str(const char *str)
2015{
2016 return str && *str;
2017}
2018
81b2b810
GS		 2019static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2020{
2021 gchar *buf;
2022 size_t size;
6407d76e 2023 const char *name, *file, *str;
bab47d9a 2024 FWCfgState *fw_cfg = (FWCfgState *) opaque;
81b2b810 2025
bab47d9a 2026 if (fw_cfg == NULL) {
406b6367 2027 error_setg(errp, "fw_cfg device not available");
81b2b810
GS		 2028 return -1;
2029 }
2030 name = qemu_opt_get(opts, "name");
2031 file = qemu_opt_get(opts, "file");
6407d76e
GS		 2032 str = qemu_opt_get(opts, "string");
2033
2034 /* we need name and either a file or the content string */
2035 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
406b6367 2036 error_setg(errp, "invalid argument(s)");
6407d76e
GS		 2037 return -1;
2038 }
2039 if (nonempty_str(file) && nonempty_str(str)) {
406b6367 2040 error_setg(errp, "file and string are mutually exclusive");
81b2b810
GS		 2041 return -1;
2042 }
2043 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
406b6367
MA		 2044 error_setg(errp, "name too long (max. %d char)",
2045 FW_CFG_MAX_FILE_PATH - 1);
81b2b810
GS		 2046 return -1;
2047 }
2048 if (strncmp(name, "opt/", 4) != 0) {
3dc6f869
AF		 2049 warn_report("externally provided fw_cfg item names "
2050 "should be prefixed with \"opt/\"");
81b2b810 2051 }
6407d76e
GS		 2052 if (nonempty_str(str)) {
2053 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2054 buf = g_memdup(str, size);
2055 } else {
353c7d58
LQ		 2056 GError *err = NULL;
2057 if (!g_file_get_contents(file, &buf, &size, &err)) {
2058 error_setg(errp, "can't load %s: %s", file, err->message);
2059 g_error_free(err);
6407d76e
GS		 2060 return -1;
2061 }
81b2b810 2062 }
bab47d9a
GH		 2063 /* For legacy, keep user files in a specific global order. */
2064 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2065 fw_cfg_add_file(fw_cfg, name, buf, size);
2066 fw_cfg_reset_order_override(fw_cfg);
81b2b810
GS		 2067 return 0;
2068}
2069
28d0de7a 2070static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
ff952ba2
MA		 2071{
2072 return qdev_device_help(opts);
2073}
2074
28d0de7a 2075static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
f31d07d1
GH		 2076{
2077 DeviceState *dev;
2078
cd65f349 2079 dev = qdev_device_add(opts, errp);
f3a85056
JF		 2080 if (!dev && *errp) {
2081 error_report_err(*errp);
f31d07d1 2082 return -1;
f3a85056
JF		 2083 } else if (dev) {
2084 object_unref(OBJECT(dev));
f006cf7f 2085 }
f31d07d1
GH		 2086 return 0;
2087}
2088
28d0de7a 2089static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1a688d3b 2090{
bd2d80b2 2091 Error *local_err = NULL;
1a688d3b 2092
4ad6f6cb 2093 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
0ec846bf 2094 if (local_err) {
dd4af977 2095 error_propagate(errp, local_err);
0ec846bf
AN		 2096 return -1;
2097 }
2098 exit(0);
bd2d80b2 2099 }
1a688d3b
GH		 2100 return 0;
2101}
2102
758e8e38 2103#ifdef CONFIG_VIRTFS
28d0de7a 2104static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
74db920c 2105{
b836723d 2106 return qemu_fsdev_add(opts, errp);
74db920c
GS		 2107}
2108#endif
2109
28d0de7a 2110static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
88589343 2111{
c3e95551 2112 return monitor_init_opts(opts, errp);
88589343
GH		 2113}
2114
4821cd4c 2115static void monitor_parse(const char *optarg, const char *mode, bool pretty)
88589343
GH		 2116{
2117 static int monitor_device_index = 0;
2118 QemuOpts *opts;
2119 const char *p;
2120 char label[32];
88589343
GH		 2121
2122 if (strstart(optarg, "chardev:", &p)) {
2123 snprintf(label, sizeof(label), "%s", p);
2124 } else {
140e065d
JK		 2125 snprintf(label, sizeof(label), "compat_monitor%d",
2126 monitor_device_index);
95e30b2a 2127 opts = qemu_chr_parse_compat(label, optarg, true);
88589343 2128 if (!opts) {
f61eddcb 2129 error_report("parse error: %s", optarg);
88589343
GH		 2130 exit(1);
2131 }
2132 }
2133
822ac12d 2134 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
f43e47db
MA		 2135 qemu_opt_set(opts, "mode", mode, &error_abort);
2136 qemu_opt_set(opts, "chardev", label, &error_abort);
3c45f625
KW		 2137 if (!strcmp(mode, "control")) {
2138 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2139 } else {
2140 assert(pretty == false);
2141 }
88589343
GH		 2142 monitor_device_index++;
2143}
2144
bd3c948d
GH		 2145struct device_config {
2146 enum {
aee1b935 2147 DEV_USB, /* -usbdevice */
aee1b935
GH		 2148 DEV_SERIAL, /* -serial */
2149 DEV_PARALLEL, /* -parallel */
c9f398e5 2150 DEV_DEBUGCON, /* -debugcon */
ef0c4a0d 2151 DEV_GDB, /* -gdb, -s */
3ef669e1 2152 DEV_SCLP, /* s390 sclp */
bd3c948d
GH		 2153 } type;
2154 const char *cmdline;
d9a5954d 2155 Location loc;
72cf2d4f 2156 QTAILQ_ENTRY(device_config) next;
bd3c948d 2157};
4fdcac0e
BS		 2158
2159static QTAILQ_HEAD(, device_config) device_configs =
2160 QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2161
2162static void add_device_config(int type, const char *cmdline)
2163{
2164 struct device_config *conf;
2165
7267c094 2166 conf = g_malloc0(sizeof(*conf));
bd3c948d
GH		 2167 conf->type = type;
2168 conf->cmdline = cmdline;
d9a5954d 2169 loc_save(&conf->loc);
72cf2d4f 2170 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2171}
2172
2173static int foreach_device_config(int type, int (*func)(const char *cmdline))
2174{
2175 struct device_config *conf;
2176 int rc;
2177
72cf2d4f 2178 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2179 if (conf->type != type)
2180 continue;
d9a5954d 2181 loc_push_restore(&conf->loc);
bd3c948d 2182 rc = func(conf->cmdline);
d9a5954d 2183 loc_pop(&conf->loc);
28de2f88 2184 if (rc) {
bd3c948d 2185 return rc;
28de2f88 2186 }
bd3c948d
GH		 2187 }
2188 return 0;
2189}
2190
998bbd74
GH		 2191static int serial_parse(const char *devname)
2192{
6af2692e 2193 int index = num_serial_hds;
998bbd74
GH		 2194 char label[32];
2195
2196 if (strcmp(devname, "none") == 0)
2197 return 0;
998bbd74 2198 snprintf(label, sizeof(label), "serial%d", index);
6af2692e
PM		 2199 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2200
4ad6f6cb 2201 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
998bbd74 2202 if (!serial_hds[index]) {
f61eddcb
EH		 2203 error_report("could not connect serial device"
2204 " to character backend '%s'", devname);
998bbd74
GH		 2205 return -1;
2206 }
6af2692e 2207 num_serial_hds++;
998bbd74
GH		 2208 return 0;
2209}
2210
a8d78cd0
PM		 2211Chardev *serial_hd(int i)
2212{
2213 assert(i >= 0);
6af2692e 2214 if (i < num_serial_hds) {
a8d78cd0
PM		 2215 return serial_hds[i];
2216 }
2217 return NULL;
2218}
2219
b8846a4d
PM		 2220int serial_max_hds(void)
2221{
2222 return num_serial_hds;
2223}
2224
6a5e8b0e
GH		 2225static int parallel_parse(const char *devname)
2226{
2227 static int index = 0;
2228 char label[32];
2229
2230 if (strcmp(devname, "none") == 0)
2231 return 0;
2232 if (index == MAX_PARALLEL_PORTS) {
f61eddcb 2233 error_report("too many parallel ports");
6a5e8b0e
GH		 2234 exit(1);
2235 }
2236 snprintf(label, sizeof(label), "parallel%d", index);
4ad6f6cb 2237 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
6a5e8b0e 2238 if (!parallel_hds[index]) {
f61eddcb
EH		 2239 error_report("could not connect parallel device"
2240 " to character backend '%s'", devname);
6a5e8b0e
GH		 2241 return -1;
2242 }
2243 index++;
2244 return 0;
2245}
2246
c9f398e5 2247static int debugcon_parse(const char *devname)
4d8b3c63 2248{
c9f398e5
PA		 2249 QemuOpts *opts;
2250
4ad6f6cb 2251 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
d7ecf712 2252 error_report("invalid character backend '%s'", devname);
c9f398e5
PA		 2253 exit(1);
2254 }
8be7e7e4 2255 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
c9f398e5 2256 if (!opts) {
f61eddcb 2257 error_report("already have a debugcon device");
c9f398e5
PA		 2258 exit(1);
2259 }
f43e47db
MA		 2260 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2261 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
c9f398e5
PA		 2262 return 0;
2263}
2264
2709f263
LE		 2265static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2266{
2267 const MachineClass *mc1 = a, *mc2 = b;
2268 int res;
2269
2270 if (mc1->family == NULL) {
2271 if (mc2->family == NULL) {
2272 /* Compare standalone machine types against each other; they sort
2273 * in increasing order.
2274 */
2275 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2276 object_class_get_name(OBJECT_CLASS(mc2)));
2277 }
2278
2279 /* Standalone machine types sort after families. */
2280 return 1;
2281 }
2282
2283 if (mc2->family == NULL) {
2284 /* Families sort before standalone machine types. */
2285 return -1;
2286 }
2287
2288 /* Families sort between each other alphabetically increasingly. */
2289 res = strcmp(mc1->family, mc2->family);
2290 if (res != 0) {
2291 return res;
2292 }
2293
2294 /* Within the same family, machine types sort in decreasing order. */
2295 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2296 object_class_get_name(OBJECT_CLASS(mc1)));
2297}
2298
c516cd1b 2299static MachineClass *machine_parse(const char *name, GSList *machines)
9052ea6b 2300{
12cb82fd 2301 MachineClass *mc;
c516cd1b 2302 GSList *el;
9052ea6b 2303
12cb82fd 2304 if (is_help_option(name)) {
025172d5 2305 printf("Supported machines are:\n");
2709f263 2306 machines = g_slist_sort(machines, machine_class_cmp);
025172d5
MR		 2307 for (el = machines; el; el = el->next) {
2308 MachineClass *mc = el->data;
958db90c
MA		 2309 if (mc->alias) {
2310 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
025172d5 2311 }
08fe6824
TH		 2312 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2313 mc->is_default ? " (default)" : "",
2314 mc->deprecation_reason ? " (deprecated)" : "");
9052ea6b 2315 }
12cb82fd 2316 exit(0);
9052ea6b 2317 }
261747f1 2318
12cb82fd
MA		 2319 mc = find_machine(name, machines);
2320 if (!mc) {
2321 error_report("unsupported machine type");
2322 error_printf("Use -machine help to list supported machines\n");
2323 exit(1);
2324 }
2325 return mc;
9052ea6b
JK		 2326}
2327
fd42deeb
GH		 2328void qemu_add_exit_notifier(Notifier *notify)
2329{
2330 notifier_list_add(&exit_notifiers, notify);
2331}
2332
2333void qemu_remove_exit_notifier(Notifier *notify)
2334{
31552529 2335 notifier_remove(notify);
fd42deeb
GH		 2336}
2337
2338static void qemu_run_exit_notifiers(void)
2339{
9e8dd451 2340 notifier_list_notify(&exit_notifiers, NULL);
fd42deeb
GH		 2341}
2342
90a84d13
MAL		 2343static const char *pid_file;
2344static Notifier qemu_unlink_pidfile_notifier;
2345
2346static void qemu_unlink_pidfile(Notifier *n, void *data)
2347{
2348 if (pid_file) {
2349 unlink(pid_file);
2350 }
2351}
2352
c8ca2a23 2353bool machine_init_done;
71cdd1cb 2354
4cab946a
GN		 2355void qemu_add_machine_init_done_notifier(Notifier *notify)
2356{
2357 notifier_list_add(&machine_init_done_notifiers, notify);
71cdd1cb
PB		 2358 if (machine_init_done) {
2359 notify->notify(notify, NULL);
2360 }
4cab946a
GN		 2361}
2362
b86eacb8
MA		 2363void qemu_remove_machine_init_done_notifier(Notifier *notify)
2364{
2365 notifier_remove(notify);
2366}
2367
4cab946a
GN		 2368static void qemu_run_machine_init_done_notifiers(void)
2369{
71cdd1cb 2370 machine_init_done = true;
c8ca2a23 2371 notifier_list_notify(&machine_init_done_notifiers, NULL);
4cab946a
GN		 2372}
2373
6530a97b
AL		 2374static const QEMUOption *lookup_opt(int argc, char **argv,
2375 const char **poptarg, int *poptind)
2376{
2377 const QEMUOption *popt;
2378 int optind = *poptind;
2379 char *r = argv[optind];
2380 const char *optarg;
2381
0f0bc3f1 2382 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2383 optind++;
2384 /* Treat --foo the same as -foo. */
2385 if (r[1] == '-')
2386 r++;
2387 popt = qemu_options;
2388 for(;;) {
2389 if (!popt->name) {
0f0bc3f1 2390 error_report("invalid option");
6530a97b
AL		 2391 exit(1);
2392 }
2393 if (!strcmp(popt->name, r + 1))
2394 break;
2395 popt++;
2396 }
2397 if (popt->flags & HAS_ARG) {
2398 if (optind >= argc) {
0f0bc3f1 2399 error_report("requires an argument");
6530a97b
AL		 2400 exit(1);
2401 }
2402 optarg = argv[optind++];
0f0bc3f1 2403 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2404 } else {
2405 optarg = NULL;
2406 }
2407
2408 *poptarg = optarg;
2409 *poptind = optind;
2410
2411 return popt;
2412}
2413
7580f231 2414static MachineClass *select_machine(void)
34f405ae 2415{
c516cd1b
WY		 2416 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2417 MachineClass *machine_class = find_default_machine(machines);
34f405ae
MA		 2418 const char *optarg;
2419 QemuOpts *opts;
2420 Location loc;
2421
2422 loc_push_none(&loc);
2423
2424 opts = qemu_get_machine_opts();
2425 qemu_opts_loc_restore(opts);
2426
2427 optarg = qemu_opt_get(opts, "type");
2428 if (optarg) {
c516cd1b 2429 machine_class = machine_parse(optarg, machines);
34f405ae
MA		 2430 }
2431
7580f231 2432 if (!machine_class) {
34f405ae
MA		 2433 error_report("No machine specified, and there is no default");
2434 error_printf("Use -machine help to list supported machines\n");
2435 exit(1);
2436 }
2437
2438 loc_pop(&loc);
c516cd1b 2439 g_slist_free(machines);
7580f231 2440 return machine_class;
34f405ae
MA		 2441}
2442
e5db4bd8
PB		 2443static int object_parse_property_opt(Object *obj,
2444 const char *name, const char *value,
2445 const char *skip, Error **errp)
68d98d3e 2446{
68d98d3e
AL		 2447 Error *local_err = NULL;
2448
e5db4bd8 2449 if (g_str_equal(name, skip)) {
68d98d3e
AL		 2450 return 0;
2451 }
2452
e5db4bd8 2453 object_property_parse(obj, value, name, &local_err);
68d98d3e
AL		 2454
2455 if (local_err) {
702832b8 2456 error_propagate(errp, local_err);
68d98d3e
AL		 2457 return -1;
2458 }
2459
2460 return 0;
2461}
2462
e5db4bd8
PB		 2463static int machine_set_property(void *opaque,
2464 const char *name, const char *value,
2465 Error **errp)
2466{
2467 g_autofree char *qom_name = g_strdup(name);
2468 char *p;
2469
2470 for (p = qom_name; *p; p++) {
2471 if (*p == '_') {
2472 *p = '-';
2473 }
2474 }
2475
6f6e1698
PB		 2476 /* Legacy options do not correspond to MachineState properties. */
2477 if (g_str_equal(qom_name, "accel")) {
2478 return 0;
2479 }
46472d82
PB		 2480 if (g_str_equal(qom_name, "igd-passthru")) {
2481 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value);
2482 return 0;
2483 }
11bc4a13
PB		 2484 if (g_str_equal(qom_name, "kvm-shadow-mem") ||
2485 g_str_equal(qom_name, "kernel-irqchip")) {
23b0898e
PB		 2486 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value);
2487 return 0;
2488 }
6f6e1698 2489
e5db4bd8
PB		 2490 return object_parse_property_opt(opaque, name, value, "type", errp);
2491}
f08f9271
DB		 2492
2493/*
2494 * Initial object creation happens before all other
2495 * QEMU data types are created. The majority of objects
2496 * can be created at this point. The rng-egd object
2497 * cannot be created here, as it depends on the chardev
2498 * already existing.
2499 */
1195fa2b 2500static bool object_create_initial(const char *type, QemuOpts *opts)
f08f9271 2501{
3e9297f3 2502 if (user_creatable_print_help(type, opts)) {
1195fa2b
MAL		 2503 exit(0);
2504 }
2505
edfb4389
MA		 2506 /*
2507 * Objects should not be made "delayed" without a reason. If you
2508 * add one, state the reason in a comment!
2509 */
2510
2511 /* Reason: rng-egd property "chardev" */
9ea18ed2 2512 if (g_str_equal(type, "rng-egd")) {
f08f9271
DB		 2513 return false;
2514 }
7dbb11c8 2515
042cea27 2516#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
edfb4389 2517 /* Reason: cryptodev-vhost-user property "chardev" */
042cea27
GA		 2518 if (g_str_equal(type, "cryptodev-vhost-user")) {
2519 return false;
2520 }
2521#endif
2522
9d3e12e8 2523 /*
edfb4389 2524 * Reason: filter-* property "netdev" etc.
9d3e12e8
TH		 2525 */
2526 if (g_str_equal(type, "filter-buffer") ||
f6d3afb5 2527 g_str_equal(type, "filter-dump") ||
d46f75b2 2528 g_str_equal(type, "filter-mirror") ||
7dce4e6f 2529 g_str_equal(type, "filter-redirector") ||
e6eee8ab 2530 g_str_equal(type, "colo-compare") ||
646c5478
PD		 2531 g_str_equal(type, "filter-rewriter") ||
2532 g_str_equal(type, "filter-replay")) {
7dbb11c8
YH		 2533 return false;
2534 }
2535
6546d0db
EH		 2536 /* Memory allocation by backends needs to be done
2537 * after configure_accelerator() (due to the tcg_enabled()
2538 * checks at memory_region_init_*()).
2539 *
2540 * Also, allocation of large amounts of memory may delay
2541 * chardev initialization for too long, and trigger timeouts
2542 * on software that waits for a monitor socket to be created
2543 * (e.g. libvirt).
2544 */
2545 if (g_str_has_prefix(type, "memory-backend-")) {
2546 return false;
2547 }
2548
f08f9271
DB		 2549 return true;
2550}
2551
2552
2553/*
2554 * The remainder of object creation happens after the
9abce56d 2555 * creation of chardev, fsdev, net clients and device data types.
f08f9271 2556 */
1195fa2b 2557static bool object_create_delayed(const char *type, QemuOpts *opts)
f08f9271 2558{
1195fa2b 2559 return !object_create_initial(type, opts);
f08f9271
DB		 2560}
2561
2562
2a7b18a3 2563static bool set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
076b35b5 2564 MachineClass *mc)
3b9985e9
MA		 2565{
2566 uint64_t sz;
2567 const char *mem_str;
076b35b5 2568 const ram_addr_t default_ram_size = mc->default_ram_size;
3b9985e9 2569 QemuOpts *opts = qemu_find_opts_singleton("memory");
bbe2d25c
EH		 2570 Location loc;
2571
2572 loc_push_none(&loc);
2573 qemu_opts_loc_restore(opts);
3b9985e9
MA		 2574
2575 sz = 0;
2576 mem_str = qemu_opt_get(opts, "size");
2577 if (mem_str) {
2578 if (!*mem_str) {
2579 error_report("missing 'size' option value");
2580 exit(EXIT_FAILURE);
2581 }
2582
2583 sz = qemu_opt_get_size(opts, "size", ram_size);
2584
2585 /* Fix up legacy suffix-less format */
2586 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2587 uint64_t overflow_check = sz;
2588
3dc54b0e
PMD		 2589 sz *= MiB;
2590 if (sz / MiB != overflow_check) {
3b9985e9
MA		 2591 error_report("too large 'size' option value");
2592 exit(EXIT_FAILURE);
2593 }
2594 }
2595 }
2596
2597 /* backward compatibility behaviour for case "-m 0" */
2598 if (sz == 0) {
2599 sz = default_ram_size;
2600 }
2601
2602 sz = QEMU_ALIGN_UP(sz, 8192);
5c30ef93
CB		 2603 if (mc->fixup_ram_size) {
2604 sz = mc->fixup_ram_size(sz);
2605 }
3b9985e9
MA		 2606 ram_size = sz;
2607 if (ram_size != sz) {
2608 error_report("ram size too large");
2609 exit(EXIT_FAILURE);
2610 }
2611
2612 /* store value for the future use */
39101f25 2613 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3b9985e9
MA		 2614 *maxram_size = ram_size;
2615
951f2269 2616 if (qemu_opt_get(opts, "maxmem")) {
3b9985e9
MA		 2617 uint64_t slots;
2618
2619 sz = qemu_opt_get_size(opts, "maxmem", 0);
214224ad 2620 slots = qemu_opt_get_number(opts, "slots", 0);
3b9985e9 2621 if (sz < ram_size) {
214224ad
PK		 2622 error_report("invalid value of -m option maxmem: "
2623 "maximum memory size (0x%" PRIx64 ") must be at least "
2624 "the initial memory size (0x" RAM_ADDR_FMT ")",
2625 sz, ram_size);
3b9985e9 2626 exit(EXIT_FAILURE);
951f2269 2627 } else if (slots && sz == ram_size) {
214224ad
PK		 2628 error_report("invalid value of -m option maxmem: "
2629 "memory slots were specified but maximum memory size "
2630 "(0x%" PRIx64 ") is equal to the initial memory size "
2631 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3b9985e9
MA		 2632 exit(EXIT_FAILURE);
2633 }
2634
3b9985e9
MA		 2635 *maxram_size = sz;
2636 *ram_slots = slots;
951f2269
DH		 2637 } else if (qemu_opt_get(opts, "slots")) {
2638 error_report("invalid -m option value: missing 'maxmem' option");
3b9985e9
MA		 2639 exit(EXIT_FAILURE);
2640 }
bbe2d25c
EH		 2641
2642 loc_pop(&loc);
2a7b18a3 2643 return !!mem_str;
3b9985e9
MA		 2644}
2645
8d76bfe8
EH		 2646static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2647{
2648 GlobalProperty *g;
2649
2650 g = g_malloc0(sizeof(*g));
2651 g->driver = qemu_opt_get(opts, "driver");
2652 g->property = qemu_opt_get(opts, "property");
2653 g->value = qemu_opt_get(opts, "value");
8d76bfe8
EH		 2654 qdev_prop_register_global(g);
2655 return 0;
2656}
2657
726401be
EH		 2658static int qemu_read_default_config_file(void)
2659{
2660 int ret;
2661
2662 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2663 if (ret < 0 && ret != -ENOENT) {
2664 return ret;
2665 }
2666
2667 return 0;
2668}
2669
a0660e0b
PX		 2670static void user_register_global_props(void)
2671{
2672 qemu_opts_foreach(qemu_find_opts("global"),
2673 global_init_func, NULL, NULL);
2674}
2675
7f8b6126
PB		 2676static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
2677{
2678 configure_icount(opts, errp);
2679 return 0;
2680}
2681
12ceaef6
PB		 2682static int accelerator_set_property(void *opaque,
2683 const char *name, const char *value,
2684 Error **errp)
2685{
2686 return object_parse_property_opt(opaque, name, value, "accel", errp);
2687}
2688
deda73e8
PB		 2689static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
2690{
6f6e1698
PB		 2691 bool *p_init_failed = opaque;
2692 const char *acc = qemu_opt_get(opts, "accel");
2693 AccelClass *ac = accel_find(acc);
fc5cf826 2694 AccelState *accel;
6f6e1698
PB		 2695 int ret;
2696
2697 if (!ac) {
8b90f1c5
PB		 2698 *p_init_failed = true;
2699 error_report("invalid accelerator %s", acc);
6f6e1698
PB		 2700 return 0;
2701 }
fc5cf826 2702 accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
fe174132 2703 object_apply_compat_props(OBJECT(accel));
12ceaef6
PB		 2704 qemu_opt_foreach(opts, accelerator_set_property,
2705 accel,
2706 &error_fatal);
2707
fc5cf826 2708 ret = accel_init_machine(accel, current_machine);
6f6e1698
PB		 2709 if (ret < 0) {
2710 *p_init_failed = true;
2711 error_report("failed to initialize %s: %s",
2712 acc, strerror(-ret));
2713 return 0;
2714 }
fe174132 2715
6f6e1698 2716 return 1;
deda73e8
PB		 2717}
2718
28a09617 2719static void configure_accelerators(const char *progname)
deda73e8 2720{
28a09617 2721 const char *accel;
28a09617 2722 bool init_failed = false;
28a09617
PB		 2723
2724 qemu_opts_foreach(qemu_find_opts("icount"),
2725 do_configure_icount, NULL, &error_fatal);
2726
2727 accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
6f6e1698 2728 if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
60ee3552
RH		 2729 char **accel_list, **tmp;
2730
6f6e1698
PB		 2731 if (accel == NULL) {
2732 /* Select the default accelerator */
755ee1f3
RH		 2733 bool have_tcg = accel_find("tcg");
2734 bool have_kvm = accel_find("kvm");
2735
2736 if (have_tcg && have_kvm) {
2737 if (g_str_has_suffix(progname, "kvm")) {
6f6e1698
PB		 2738 /* If the program name ends with "kvm", we prefer KVM */
2739 accel = "kvm:tcg";
2740 } else {
2741 accel = "tcg:kvm";
2742 }
755ee1f3
RH		 2743 } else if (have_kvm) {
2744 accel = "kvm";
2745 } else if (have_tcg) {
2746 accel = "tcg";
2747 } else {
2748 error_report("No accelerator selected and"
2749 " no default accelerator available");
2750 exit(1);
28a09617
PB		 2751 }
2752 }
6f6e1698 2753 accel_list = g_strsplit(accel, ":", 0);
28a09617 2754
a024b090 2755 for (tmp = accel_list; *tmp; tmp++) {
6f6e1698
PB		 2756 /*
2757 * Filter invalid accelerators here, to prevent obscenities
2758 * such as "-machine accel=tcg,,thread=single".
2759 */
2760 if (accel_find(*tmp)) {
2761 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
8b90f1c5
PB		 2762 } else {
2763 init_failed = true;
2764 error_report("invalid accelerator %s", *tmp);
6f6e1698 2765 }
28a09617 2766 }
adb464ff 2767 g_strfreev(accel_list);
6f6e1698
PB		 2768 } else {
2769 if (accel != NULL) {
2770 error_report("The -accel and \"-machine accel=\" options are incompatible");
2771 exit(1);
28a09617
PB		 2772 }
2773 }
28a09617 2774
6f6e1698
PB		 2775 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2776 do_configure_accelerator, &init_failed, &error_fatal)) {
28a09617 2777 if (!init_failed) {
6f6e1698 2778 error_report("no accelerator found");
28a09617
PB		 2779 }
2780 exit(1);
2781 }
2782
2783 if (init_failed) {
4f7f5893 2784 AccelClass *ac = ACCEL_GET_CLASS(current_accel());
8b90f1c5 2785 error_report("falling back to %s", ac->name);
28a09617
PB		 2786 }
2787
deda73e8
PB		 2788 if (use_icount && !(tcg_enabled() || qtest_enabled())) {
2789 error_report("-icount is not allowed with hardware virtualization");
2790 exit(1);
2791 }
2792}
2793
ffac16fa 2794static void create_default_memdev(MachineState *ms, const char *path)
900c0ba3
IM		 2795{
2796 Object *obj;
2797 MachineClass *mc = MACHINE_GET_CLASS(ms);
2798
2799 obj = object_new(path ? TYPE_MEMORY_BACKEND_FILE : TYPE_MEMORY_BACKEND_RAM);
2800 if (path) {
2801 object_property_set_str(obj, path, "mem-path", &error_fatal);
2802 }
900c0ba3
IM		 2803 object_property_set_int(obj, ms->ram_size, "size", &error_fatal);
2804 object_property_add_child(object_get_objects_root(), mc->default_ram_id,
d2623129 2805 obj);
d96c4d5f
IM		 2806 /* Ensure backend's memory region name is equal to mc->default_ram_id */
2807 object_property_set_bool(obj, false, "x-use-canonical-path-for-ramblock-id",
2808 &error_fatal);
900c0ba3
IM		 2809 user_creatable_complete(USER_CREATABLE(obj), &error_fatal);
2810 object_unref(obj);
2811 object_property_set_str(OBJECT(ms), mc->default_ram_id, "memory-backend",
2812 &error_fatal);
2813}
2814
7b733862 2815void qemu_init(int argc, char **argv, char **envp)
0824d6fc 2816{
e4bcb14c 2817 int i;
da1fcfda 2818 int snapshot, linux_boot;
7f7f9873 2819 const char *initrd_filename;
a20dd508 2820 const char *kernel_filename, *kernel_cmdline;
f05f47bb
GA		 2821 const char *boot_order = NULL;
2822 const char *boot_once = NULL;
3023f332 2823 DisplayState *ds;
8d4e9146 2824 QemuOpts *opts, *machine_opts;
d1cdd92e 2825 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
03b0ba70 2826 QemuOptsList *olist;
cd6f1169 2827 int optind;
6530a97b 2828 const char *optarg;
d63d307f 2829 const char *loadvm = NULL;
0056ae24 2830 MachineClass *machine_class;
c1c8cfe5 2831 const char *cpu_option;
d44229c5 2832 const char *vga_model = NULL;
d4fce24f
PB		 2833 const char *qtest_chrdev = NULL;
2834 const char *qtest_log = NULL;
5bb7910a 2835 const char *incoming = NULL;
f29a5614 2836 bool userconfig = true;
cfc58cf3 2837 bool nographic = false;
1f0dfe02 2838 int display_remote = 0;
c235d738
MF		 2839 const char *log_mask = NULL;
2840 const char *log_file = NULL;
41fc57e4 2841 char *trace_file = NULL;
3b9985e9 2842 ram_addr_t maxram_size;
c270fb9e 2843 uint64_t ram_slots = 0;
abfd9ce3 2844 FILE *vmstate_dump_file = NULL;
2f78e491 2845 Error *main_loop_err = NULL;
ddbb0d09 2846 Error *err = NULL;
37146e7e 2847 bool list_data_dirs = false;
35471127 2848 char *dir, **dirs;
8b38de9f 2849 const char *mem_path = NULL;
2a7b18a3 2850 bool have_custom_ram_size;
651af51c 2851 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
42229a75 2852 QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
4ebc74db 2853 int mem_prealloc = 0; /* force preallocation of physical target memory */
0b5538c3 2854
45d8bc3a
WY		 2855 os_set_line_buffering();
2856
f5852efa 2857 error_init(argv[0]);
fe4db84d
DB		 2858 module_call_init(MODULE_INIT_TRACE);
2859
267f685b 2860 qemu_init_cpu_list();
576a94d8 2861 qemu_init_cpu_loop();
d759c951 2862
576a94d8
PB		 2863 qemu_mutex_lock_iothread();
2864
fd42deeb 2865 atexit(qemu_run_exit_notifiers);
10f5bff6 2866 qemu_init_exec_dir(argv[0]);
65abca0a 2867
1b71f7c1 2868 module_call_init(MODULE_INIT_QOM);
a2d07731 2869 module_call_init(MODULE_INIT_MIGRATION);
1b71f7c1 2870
4d454574 2871 qemu_add_opts(&qemu_drive_opts);
968854c8
AK		 2872 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2873 qemu_add_drive_opts(&qemu_common_drive_opts);
2874 qemu_add_drive_opts(&qemu_drive_opts);
c5f3014b 2875 qemu_add_drive_opts(&bdrv_runtime_opts);
4d454574
PB		 2876 qemu_add_opts(&qemu_chardev_opts);
2877 qemu_add_opts(&qemu_device_opts);
2878 qemu_add_opts(&qemu_netdev_opts);
78cd6f7b 2879 qemu_add_opts(&qemu_nic_opts);
4d454574
PB		 2880 qemu_add_opts(&qemu_net_opts);
2881 qemu_add_opts(&qemu_rtc_opts);
2882 qemu_add_opts(&qemu_global_opts);
2883 qemu_add_opts(&qemu_mon_opts);
2884 qemu_add_opts(&qemu_trace_opts);
42229a75 2885 qemu_plugin_add_opts();
4d454574
PB		 2886 qemu_add_opts(&qemu_option_rom_opts);
2887 qemu_add_opts(&qemu_machine_opts);
8d4e9146 2888 qemu_add_opts(&qemu_accel_opts);
6e1d3c1c 2889 qemu_add_opts(&qemu_mem_opts);
12b7f57e 2890 qemu_add_opts(&qemu_smp_opts);
4d454574 2891 qemu_add_opts(&qemu_boot_opts);
4d454574
PB		 2892 qemu_add_opts(&qemu_add_fd_opts);
2893 qemu_add_opts(&qemu_object_opts);
d1a0cf73 2894 qemu_add_opts(&qemu_tpmdev_opts);
888a6bc6 2895 qemu_add_opts(&qemu_realtime_opts);
1fdd4748 2896 qemu_add_opts(&qemu_overcommit_opts);
5e2ac519 2897 qemu_add_opts(&qemu_msg_opts);
5d12f961 2898 qemu_add_opts(&qemu_name_opts);
0042109a 2899 qemu_add_opts(&qemu_numa_opts);
1ad9580b 2900 qemu_add_opts(&qemu_icount_opts);
a38bb079 2901 qemu_add_opts(&qemu_semihosting_config_opts);
81b2b810 2902 qemu_add_opts(&qemu_fw_cfg_opts);
34294e2f 2903 module_call_init(MODULE_INIT_OPTS);
4d454574 2904
5db9d4d1 2905 runstate_init();
bd227060 2906 precopy_infrastructure_init();
1693c64c 2907 postcopy_infrastructure_init();
d32749de 2908 monitor_init_globals();
5db9d4d1 2909
ddbb0d09 2910 if (qcrypto_init(&err) < 0) {
c29b77f9 2911 error_reportf_err(err, "cannot initialize crypto: ");
ddbb0d09
DB		 2912 exit(1);
2913 }
6875204c 2914
60dbc5a1 2915 QTAILQ_INIT(&vm_change_state_head);
fe98ac14 2916 os_setup_early_signal_handling();
be995c27 2917
c1c8cfe5 2918 cpu_option = NULL;
33e3963e 2919 snapshot = 0;
c4b1fcc0 2920
7c9d8e07 2921 nb_nics = 0;
3b46e624 2922
142c6b1a
PL		 2923 bdrv_init_with_whitelist();
2924
2c02d1ad 2925 autostart = 1;
41bd639b 2926
292444cb
AL		 2927 /* first pass of option parsing */
2928 optind = 1;
2929 while (optind < argc) {
2930 if (argv[optind][0] != '-') {
2931 /* disk image */
28e68d68 2932 optind++;
292444cb
AL		 2933 } else {
2934 const QEMUOption *popt;
2935
2936 popt = lookup_opt(argc, argv, &optarg, &optind);
2937 switch (popt->index) {
f29a5614
EH		 2938 case QEMU_OPTION_nouserconfig:
2939 userconfig = false;
2940 break;
292444cb
AL		 2941 }
2942 }
2943 }
2944
1ea06c39 2945 if (userconfig) {
726401be 2946 if (qemu_read_default_config_file() < 0) {
dcfb0939 2947 exit(1);
292444cb
AL		 2948 }
2949 }
2950
2951 /* second pass of option parsing */
cd6f1169 2952 optind = 1;
0824d6fc 2953 for(;;) {
cd6f1169 2954 if (optind >= argc)
0824d6fc 2955 break;
6530a97b 2956 if (argv[optind][0] != '-') {
17f30eae 2957 loc_set_cmdline(argv, optind, 1);
d1cdd92e 2958 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
cd6f1169
FB		 2959 } else {
2960 const QEMUOption *popt;
2961
6530a97b 2962 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a 2963 if (!(popt->arch_mask & arch_type)) {
da002526 2964 error_report("Option not supported for this target");
ad96090a
BS		 2965 exit(1);
2966 }
cd6f1169 2967 switch(popt->index) {
94fc95cd
JM		 2968 case QEMU_OPTION_cpu:
2969 /* hw initialization will check this */
c1c8cfe5 2970 cpu_option = optarg;
94fc95cd 2971 break;
cd6f1169 2972 case QEMU_OPTION_hda:
cd6f1169 2973 case QEMU_OPTION_hdb:
cc1daa40
FB		 2974 case QEMU_OPTION_hdc:
2975 case QEMU_OPTION_hdd:
2292ddae
MA		 2976 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2977 HD_OPTS);
fc01f7e7 2978 break;
42e5f393
MA		 2979 case QEMU_OPTION_blockdev:
2980 {
2981 Visitor *v;
651af51c 2982 BlockdevOptionsQueueEntry *bdo;
42e5f393 2983
92917cd2
MA		 2984 v = qobject_input_visitor_new_str(optarg, "driver",
2985 &error_fatal);
42e5f393 2986
651af51c 2987 bdo = g_new(BlockdevOptionsQueueEntry, 1);
42e5f393
MA		 2988 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
2989 &error_fatal);
2990 visit_free(v);
2991 loc_save(&bdo->loc);
2992 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
2993 break;
2994 }
e4bcb14c 2995 case QEMU_OPTION_drive:
e2982c3a
MT		 2996 if (drive_def(optarg) == NULL) {
2997 exit(1);
2998 }
99efa84d 2999 break;
d058fe03
GH		 3000 case QEMU_OPTION_set:
3001 if (qemu_set_option(optarg) != 0)
3002 exit(1);
99efa84d 3003 break;
d0fef6fb
GH		 3004 case QEMU_OPTION_global:
3005 if (qemu_global_option(optarg) != 0)
3006 exit(1);
99efa84d 3007 break;
3e3d5815 3008 case QEMU_OPTION_mtdblock:
2292ddae 3009 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3e3d5815 3010 break;
a1bb27b1 3011 case QEMU_OPTION_sd:
80f4d9fc 3012 drive_add(IF_SD, -1, optarg, SD_OPTS);
a1bb27b1 3013 break;
86f55663 3014 case QEMU_OPTION_pflash:
2292ddae 3015 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
86f55663 3016 break;
cd6f1169 3017 case QEMU_OPTION_snapshot:
25863975
PD		 3018 {
3019 Error *blocker = NULL;
3020 snapshot = 1;
3021 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
3022 "-snapshot");
3023 replay_add_blocker(blocker);
3024 }
33e3963e 3025 break;
268a362c 3026 case QEMU_OPTION_numa:
70b94331
MA		 3027 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3028 optarg, true);
0042109a
WG		 3029 if (!opts) {
3030 exit(1);
3031 }
268a362c 3032 break;
1472a95b 3033 case QEMU_OPTION_display:
e3af9f9a 3034 parse_display(optarg);
1472a95b 3035 break;
cd6f1169 3036 case QEMU_OPTION_nographic:
cfc58cf3
EH		 3037 olist = qemu_find_opts("machine");
3038 qemu_opts_parse_noisily(olist, "graphics=off", false);
3039 nographic = true;
0c8d7065 3040 dpy.type = DISPLAY_TYPE_NONE;
a20dd508 3041 break;
4d3b6f6e 3042 case QEMU_OPTION_curses:
47b05369 3043#ifdef CONFIG_CURSES
14f130fa 3044 dpy.type = DISPLAY_TYPE_CURSES;
47b05369 3045#else
e08bb301 3046 error_report("curses or iconv support is disabled");
47b05369 3047 exit(1);
4d3b6f6e 3048#endif
47b05369 3049 break;
a171fe39 3050 case QEMU_OPTION_portrait:
9312805d
VK		 3051 graphic_rotate = 90;
3052 break;
3053 case QEMU_OPTION_rotate:
3054 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3055 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3056 graphic_rotate != 180 && graphic_rotate != 270) {
f61eddcb 3057 error_report("only 90, 180, 270 deg rotation is available");
9312805d
VK		 3058 exit(1);
3059 }
a171fe39 3060 break;
cd6f1169 3061 case QEMU_OPTION_kernel:
8ef3a4be 3062 qemu_opts_set(qemu_find_opts("machine"), NULL, "kernel", optarg,
79087c78 3063 &error_abort);
a0abe474
PM		 3064 break;
3065 case QEMU_OPTION_initrd:
8ef3a4be 3066 qemu_opts_set(qemu_find_opts("machine"), NULL, "initrd", optarg,
79087c78 3067 &error_abort);
a20dd508 3068 break;
cd6f1169 3069 case QEMU_OPTION_append:
8ef3a4be 3070 qemu_opts_set(qemu_find_opts("machine"), NULL, "append", optarg,
79087c78 3071 &error_abort);
313aa567 3072 break;
412beee6 3073 case QEMU_OPTION_dtb:
8ef3a4be 3074 qemu_opts_set(qemu_find_opts("machine"), NULL, "dtb", optarg,
79087c78 3075 &error_abort);
412beee6 3076 break;
cd6f1169 3077 case QEMU_OPTION_cdrom:
2292ddae 3078 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
36b486bb 3079 break;
cd6f1169 3080 case QEMU_OPTION_boot:
70b94331
MA		 3081 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3082 optarg, true);
8281abd5
MA		 3083 if (!opts) {
3084 exit(1);
36b486bb
FB		 3085 }
3086 break;
cd6f1169 3087 case QEMU_OPTION_fda:
cd6f1169 3088 case QEMU_OPTION_fdb:
2292ddae
MA		 3089 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3090 optarg, FD_OPTS);
c45886db 3091 break;
52ca8d6a
FB		 3092 case QEMU_OPTION_no_fd_bootchk:
3093 fd_bootchk = 0;
3094 break;
a1ea458f 3095 case QEMU_OPTION_netdev:
d30300f7 3096 default_net = 0;
3329f07b 3097 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
a1ea458f
MM		 3098 exit(1);
3099 }
3100 break;
78cd6f7b
TH		 3101 case QEMU_OPTION_nic:
3102 default_net = 0;
3103 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3104 exit(1);
3105 }
3106 break;
7c9d8e07 3107 case QEMU_OPTION_net:
d30300f7 3108 default_net = 0;
3329f07b 3109 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
c4b1fcc0
FB		 3110 exit(1);
3111 }
702c651c 3112 break;
f9dadc98
RS		 3113#ifdef CONFIG_LIBISCSI
3114 case QEMU_OPTION_iscsi:
70b94331
MA		 3115 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3116 optarg, false);
f9dadc98
RS		 3117 if (!opts) {
3118 exit(1);
3119 }
3120 break;
c7f74643 3121#endif
1d14ffa9 3122 case QEMU_OPTION_audio_help:
71830221 3123 audio_legacy_help();
1d14ffa9
FB		 3124 exit (0);
3125 break;
71830221
KZ		 3126 case QEMU_OPTION_audiodev:
3127 audio_parse_option(optarg);
3128 break;
1d14ffa9
FB		 3129 case QEMU_OPTION_soundhw:
3130 select_soundhw (optarg);
3131 break;
cd6f1169 3132 case QEMU_OPTION_h:
15f82208 3133 help(0);
cd6f1169 3134 break;
9bd7e6d9
PB		 3135 case QEMU_OPTION_version:
3136 version();
3137 exit(0);
3138 break;
3b9985e9 3139 case QEMU_OPTION_m:
70b94331
MA		 3140 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3141 optarg, true);
6e1d3c1c
IM		 3142 if (!opts) {
3143 exit(EXIT_FAILURE);
3144 }
cd6f1169 3145 break;
d1a0cf73
SB		 3146#ifdef CONFIG_TPM
3147 case QEMU_OPTION_tpmdev:
3148 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3149 exit(1);
3150 }
3151 break;
3152#endif
c902760f
MT		 3153 case QEMU_OPTION_mempath:
3154 mem_path = optarg;
3155 break;
c902760f
MT		 3156 case QEMU_OPTION_mem_prealloc:
3157 mem_prealloc = 1;
3158 break;
cd6f1169 3159 case QEMU_OPTION_d:
c235d738
MF		 3160 log_mask = optarg;
3161 break;
3162 case QEMU_OPTION_D:
3163 log_file = optarg;
cd6f1169 3164 break;
3514552e 3165 case QEMU_OPTION_DFILTER:
bd6fee9f 3166 qemu_set_dfilter_ranges(optarg, &error_fatal);
3514552e 3167 break;
9c09a251
RH		 3168 case QEMU_OPTION_seed:
3169 qemu_guest_random_seed_main(optarg, &error_fatal);
3170 break;
cd6f1169 3171 case QEMU_OPTION_s:
ef0c4a0d 3172 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
cd6f1169 3173 break;
59030a8c 3174 case QEMU_OPTION_gdb:
ef0c4a0d 3175 add_device_config(DEV_GDB, optarg);
cd6f1169 3176 break;
cd6f1169 3177 case QEMU_OPTION_L:
37146e7e
RJ		 3178 if (is_help_option(optarg)) {
3179 list_data_dirs = true;
2a1cce90
GH		 3180 } else {
3181 qemu_add_data_dir(optarg);
4524051c 3182 }
cd6f1169 3183 break;
1192dad8 3184 case QEMU_OPTION_bios:
8ef3a4be 3185 qemu_opts_set(qemu_find_opts("machine"), NULL, "firmware", optarg,
79087c78 3186 &error_abort);
1192dad8 3187 break;
1b530a6d
AJ		 3188 case QEMU_OPTION_singlestep:
3189 singlestep = 1;
3190 break;
cd6f1169 3191 case QEMU_OPTION_S:
3c07f8e8 3192 autostart = 0;
cd6f1169 3193 break;
99efa84d
MA		 3194 case QEMU_OPTION_k:
3195 keyboard_layout = optarg;
3196 break;
3893c124 3197 case QEMU_OPTION_vga:
a369da5f 3198 vga_model = optarg;
7f1b17f2 3199 default_vga = 0;
1bfe856e 3200 break;
e9b137c2
FB		 3201 case QEMU_OPTION_g:
3202 {
3203 const char *p;
3204 int w, h, depth;
3205 p = optarg;
3206 w = strtol(p, (char **)&p, 10);
3207 if (w <= 0) {
3208 graphic_error:
f61eddcb 3209 error_report("invalid resolution or depth");
e9b137c2
FB		 3210 exit(1);
3211 }
3212 if (*p != 'x')
3213 goto graphic_error;
3214 p++;
3215 h = strtol(p, (char **)&p, 10);
3216 if (h <= 0)
3217 goto graphic_error;
3218 if (*p == 'x') {
3219 p++;
3220 depth = strtol(p, (char **)&p, 10);
8ac919a0
LV		 3221 if (depth != 1 && depth != 2 && depth != 4 &&
3222 depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 3223 depth != 24 && depth != 32)
3224 goto graphic_error;
3225 } else if (*p == '\0') {
3226 depth = graphic_depth;
3227 } else {
3228 goto graphic_error;
3229 }
3b46e624 3230
e9b137c2
FB		 3231 graphic_width = w;
3232 graphic_height = h;
3233 graphic_depth = depth;
3234 }
3235 break;
20d8a3ed
TS		 3236 case QEMU_OPTION_echr:
3237 {
3238 char *r;
3239 term_escape_char = strtol(optarg, &r, 0);
3240 if (r == optarg)
3241 printf("Bad argument to echr\n");
3242 break;
3243 }
82c643ff 3244 case QEMU_OPTION_monitor:
6ca5582d 3245 default_monitor = 0;
70e098af 3246 if (strncmp(optarg, "none", 4)) {
4821cd4c 3247 monitor_parse(optarg, "readline", false);
70e098af 3248 }
6ca5582d
GH		 3249 break;
3250 case QEMU_OPTION_qmp:
4821cd4c
HR		 3251 monitor_parse(optarg, "control", false);
3252 default_monitor = 0;
3253 break;
3254 case QEMU_OPTION_qmp_pretty:
3255 monitor_parse(optarg, "control", true);
2d114dc1 3256 default_monitor = 0;
82c643ff 3257 break;
22a0e04b 3258 case QEMU_OPTION_mon:
70b94331
MA		 3259 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3260 true);
22a0e04b 3261 if (!opts) {
22a0e04b
GH		 3262 exit(1);
3263 }
2d114dc1 3264 default_monitor = 0;
22a0e04b 3265 break;
191bc01b 3266 case QEMU_OPTION_chardev:
70b94331
MA		 3267 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3268 optarg, true);
191bc01b 3269 if (!opts) {
191bc01b
GH		 3270 exit(1);
3271 }
191bc01b 3272 break;
74db920c 3273 case QEMU_OPTION_fsdev:
03b0ba70
GH		 3274 olist = qemu_find_opts("fsdev");
3275 if (!olist) {
5dfdae81 3276 error_report("fsdev support is disabled");
03b0ba70
GH		 3277 exit(1);
3278 }
70b94331 3279 opts = qemu_opts_parse_noisily(olist, optarg, true);
74db920c 3280 if (!opts) {
74db920c
GS		 3281 exit(1);
3282 }
3283 break;
3d54abc7 3284 case QEMU_OPTION_virtfs: {
e14ea479
SH		 3285 QemuOpts *fsdev;
3286 QemuOpts *device;
1a6ed33c
AM		 3287 const char *writeout, *sock_fd, *socket, *path, *security_model,
3288 *multidevs;
3d54abc7 3289
03b0ba70
GH		 3290 olist = qemu_find_opts("virtfs");
3291 if (!olist) {
5dfdae81 3292 error_report("virtfs support is disabled");
03b0ba70
GH		 3293 exit(1);
3294 }
70b94331 3295 opts = qemu_opts_parse_noisily(olist, optarg, true);
3d54abc7 3296 if (!opts) {
3d54abc7
GS		 3297 exit(1);
3298 }
3299
fbcbf101 3300 if (qemu_opt_get(opts, "fsdriver") == NULL ||
99519f0a 3301 qemu_opt_get(opts, "mount_tag") == NULL) {
8afb9000 3302 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
9ce56db6
VJ		 3303 exit(1);
3304 }
e14ea479 3305 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3baa0a6a 3306 qemu_opts_id(opts) ?:
8be7e7e4
LC		 3307 qemu_opt_get(opts, "mount_tag"),
3308 1, NULL);
e14ea479 3309 if (!fsdev) {
3baa0a6a 3310 error_report("duplicate or invalid fsdev id: %s",
f61eddcb 3311 qemu_opt_get(opts, "mount_tag"));
3d54abc7
GS		 3312 exit(1);
3313 }
d3ab98e6
AK		 3314
3315 writeout = qemu_opt_get(opts, "writeout");
3316 if (writeout) {
3317#ifdef CONFIG_SYNC_FILE_RANGE
f43e47db 3318 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
d3ab98e6 3319#else
f61eddcb
EH		 3320 error_report("writeout=immediate not supported "
3321 "on this platform");
d3ab98e6
AK		 3322 exit(1);
3323#endif
3324 }
f43e47db
MA		 3325 qemu_opt_set(fsdev, "fsdriver",
3326 qemu_opt_get(opts, "fsdriver"), &error_abort);
32b69436
GK		 3327 path = qemu_opt_get(opts, "path");
3328 if (path) {
3329 qemu_opt_set(fsdev, "path", path, &error_abort);
3330 }
3331 security_model = qemu_opt_get(opts, "security_model");
3332 if (security_model) {
3333 qemu_opt_set(fsdev, "security_model", security_model,
3334 &error_abort);
3335 }
84a87cc4
MK		 3336 socket = qemu_opt_get(opts, "socket");
3337 if (socket) {
f43e47db 3338 qemu_opt_set(fsdev, "socket", socket, &error_abort);
84a87cc4 3339 }
4c793dda
MK		 3340 sock_fd = qemu_opt_get(opts, "sock_fd");
3341 if (sock_fd) {
f43e47db 3342 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
4c793dda 3343 }
e14ea479 3344
2c74c2cb 3345 qemu_opt_set_bool(fsdev, "readonly",
cccb7967
MA		 3346 qemu_opt_get_bool(opts, "readonly", 0),
3347 &error_abort);
1a6ed33c
AM		 3348 multidevs = qemu_opt_get(opts, "multidevs");
3349 if (multidevs) {
3350 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3351 }
87ea75d5
PC		 3352 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3353 &error_abort);
f43e47db 3354 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
e14ea479 3355 qemu_opt_set(device, "fsdev",
3baa0a6a 3356 qemu_opts_id(fsdev), &error_abort);
e14ea479 3357 qemu_opt_set(device, "mount_tag",
f43e47db 3358 qemu_opt_get(opts, "mount_tag"), &error_abort);
3d54abc7
GS		 3359 break;
3360 }
82c643ff 3361 case QEMU_OPTION_serial:
998bbd74
GH		 3362 add_device_config(DEV_SERIAL, optarg);
3363 default_serial = 0;
18141ed6
JK		 3364 if (strncmp(optarg, "mon:", 4) == 0) {
3365 default_monitor = 0;
3366 }
82c643ff 3367 break;
9dd986cc 3368 case QEMU_OPTION_watchdog:
09aaa160 3369 if (watchdog) {
f61eddcb 3370 error_report("only one watchdog option may be given");
7b733862 3371 exit(1);
09aaa160
MA		 3372 }
3373 watchdog = optarg;
9dd986cc
RJ		 3374 break;
3375 case QEMU_OPTION_watchdog_action:
3376 if (select_watchdog_action(optarg) == -1) {
3e515373 3377 error_report("unknown -watchdog-action parameter");
9dd986cc
RJ		 3378 exit(1);
3379 }
3380 break;
6508fe59 3381 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 3382 add_device_config(DEV_PARALLEL, optarg);
3383 default_parallel = 0;
18141ed6
JK		 3384 if (strncmp(optarg, "mon:", 4) == 0) {
3385 default_monitor = 0;
3386 }
6508fe59 3387 break;
c9f398e5
PA		 3388 case QEMU_OPTION_debugcon:
3389 add_device_config(DEV_DEBUGCON, optarg);
3390 break;
99efa84d
MA		 3391 case QEMU_OPTION_loadvm:
3392 loadvm = optarg;
3393 break;
d63d307f 3394 case QEMU_OPTION_full_screen:
0c8d7065
GH		 3395 dpy.has_full_screen = true;
3396 dpy.full_screen = true;
d63d307f 3397 break;
3780e197
TS		 3398 case QEMU_OPTION_alt_grab:
3399 alt_grab = 1;
3400 break;
0ca9f8a4
DK		 3401 case QEMU_OPTION_ctrl_grab:
3402 ctrl_grab = 1;
3403 break;
667accab 3404 case QEMU_OPTION_no_quit:
0c8d7065
GH		 3405 dpy.has_window_close = true;
3406 dpy.window_close = false;
667accab 3407 break;
7d957bd8 3408 case QEMU_OPTION_sdl:
24f6ff86 3409#ifdef CONFIG_SDL
fe91f36a 3410 dpy.type = DISPLAY_TYPE_SDL;
7d957bd8 3411 break;
58fc096c 3412#else
f61eddcb 3413 error_report("SDL support is disabled");
58fc096c 3414 exit(1);
667accab 3415#endif
f7cce898 3416 case QEMU_OPTION_pidfile:
93815bc2 3417 pid_file = optarg;
f7cce898 3418 break;
a09db21f
FB		 3419 case QEMU_OPTION_win2k_hack:
3420 win2k_install_hack = 1;
3421 break;
8a92ea2f 3422 case QEMU_OPTION_acpitable:
70b94331
MA		 3423 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3424 optarg, true);
f46e720a
LE		 3425 if (!opts) {
3426 exit(1);
3427 }
9f57061c 3428 acpi_table_add(opts, &error_fatal);
8a92ea2f 3429 break;
b6f6e3d3 3430 case QEMU_OPTION_smbios:
70b94331
MA		 3431 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3432 optarg, false);
f46e720a
LE		 3433 if (!opts) {
3434 exit(1);
3435 }
1007a37e 3436 smbios_entry_add(opts, &error_fatal);
b6f6e3d3 3437 break;
81b2b810 3438 case QEMU_OPTION_fwcfg:
70b94331
MA		 3439 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3440 optarg, true);
81b2b810
GS		 3441 if (opts == NULL) {
3442 exit(1);
3443 }
3444 break;
047f7038
IM		 3445 case QEMU_OPTION_preconfig:
3446 preconfig_exit_requested = false;
3447 break;
7ba1e619 3448 case QEMU_OPTION_enable_kvm:
303d4e86 3449 olist = qemu_find_opts("machine");
70b94331 3450 qemu_opts_parse_noisily(olist, "accel=kvm", false);
303d4e86 3451 break;
364c3e6b 3452 case QEMU_OPTION_M:
303d4e86
AP		 3453 case QEMU_OPTION_machine:
3454 olist = qemu_find_opts("machine");
70b94331 3455 opts = qemu_opts_parse_noisily(olist, optarg, true);
303d4e86 3456 if (!opts) {
303d4e86
AP		 3457 exit(1);
3458 }
7ba1e619 3459 break;
a0dac021
JK		 3460 case QEMU_OPTION_no_kvm:
3461 olist = qemu_find_opts("machine");
70b94331 3462 qemu_opts_parse_noisily(olist, "accel=tcg", false);
a0dac021 3463 break;
a20fa79f 3464 case QEMU_OPTION_accel:
8d4e9146
FK		 3465 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3466 optarg, true);
3467 optarg = qemu_opt_get(accel_opts, "accel");
bde4d920 3468 if (!optarg || is_help_option(optarg)) {
cbe6d636
WSM		 3469 printf("Accelerators supported in QEMU binary:\n");
3470 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3471 false);
3472 for (el = accel_list; el; el = el->next) {
3473 gchar *typename = g_strdup(object_class_get_name(
3474 OBJECT_CLASS(el->data)));
3475 /* omit qtest which is used for tests only */
3476 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3477 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3478 gchar **optname = g_strsplit(typename,
3479 ACCEL_CLASS_SUFFIX, 0);
3480 printf("%s\n", optname[0]);
4903602e 3481 g_strfreev(optname);
cbe6d636
WSM		 3482 }
3483 g_free(typename);
3484 }
3485 g_slist_free(accel_list);
a20fa79f 3486 exit(0);
8d4e9146 3487 }
3d5e90a5
TH		 3488 if (optarg && strchr(optarg, ':')) {
3489 error_report("Don't use ':' with -accel, "
3490 "use -M accel=... for now instead");
3491 exit(1);
3492 }
8d4e9146 3493 break;
bb36d470 3494 case QEMU_OPTION_usb:
fa5358c6 3495 olist = qemu_find_opts("machine");
70b94331 3496 qemu_opts_parse_noisily(olist, "usb=on", false);
bb36d470 3497 break;
a594cfbf 3498 case QEMU_OPTION_usbdevice:
a358a3af
TH		 3499 error_report("'-usbdevice' is deprecated, please use "
3500 "'-device usb-...' instead");
fa5358c6 3501 olist = qemu_find_opts("machine");
70b94331 3502 qemu_opts_parse_noisily(olist, "usb=on", false);
bd3c948d
GH		 3503 add_device_config(DEV_USB, optarg);
3504 break;
3505 case QEMU_OPTION_device:
70b94331
MA		 3506 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3507 optarg, true)) {
f31d07d1
GH		 3508 exit(1);
3509 }
a594cfbf 3510 break;
6a00d601 3511 case QEMU_OPTION_smp:
70b94331
MA		 3512 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3513 optarg, true)) {
6be68d7e
JS		 3514 exit(1);
3515 }
6a00d601 3516 break;
99efa84d 3517 case QEMU_OPTION_vnc:
7b1ee0f2 3518 vnc_parse(optarg, &error_fatal);
821601ea 3519 break;
6515b203 3520 case QEMU_OPTION_no_acpi:
17e89077
GH		 3521 olist = qemu_find_opts("machine");
3522 qemu_opts_parse_noisily(olist, "acpi=off", false);
6515b203 3523 break;
16b29ae1
AL		 3524 case QEMU_OPTION_no_hpet:
3525 no_hpet = 1;
3526 break;
d1beab82
FB		 3527 case QEMU_OPTION_no_reboot:
3528 no_reboot = 1;
3529 break;
b2f76161
AJ		 3530 case QEMU_OPTION_no_shutdown:
3531 no_shutdown = 1;
3532 break;
9467cd46 3533 case QEMU_OPTION_show_cursor:
df2ac3cc
GH		 3534 warn_report("The -show-cursor option is deprecated. Please "
3535 "add show-cursor=on to your -display options.");
3536 warn_report("When using the default display you can use "
3537 "-display default,show-cursor=on");
09aa82ee
GH		 3538 dpy.has_show_cursor = true;
3539 dpy.show_cursor = true;
9467cd46 3540 break;
8fcb1b90 3541 case QEMU_OPTION_uuid:
9c5ce8db 3542 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
4cd70f34 3543 error_report("failed to parse UUID string: wrong format");
8fcb1b90
BS		 3544 exit(1);
3545 }
fc3b3295 3546 qemu_uuid_set = true;
8fcb1b90 3547 break;
99efa84d
MA		 3548 case QEMU_OPTION_option_rom:
3549 if (nb_option_roms >= MAX_OPTION_ROMS) {
3e515373 3550 error_report("too many option ROMs");
99efa84d
MA		 3551 exit(1);
3552 }
70b94331
MA		 3553 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3554 optarg, true);
49295ebc
MA		 3555 if (!opts) {
3556 exit(1);
3557 }
2e55e842
GN		 3558 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3559 option_rom[nb_option_roms].bootindex =
3560 qemu_opt_get_number(opts, "bootindex", -1);
3561 if (!option_rom[nb_option_roms].name) {
f61eddcb 3562 error_report("Option ROM file is not specified");
2e55e842
GN		 3563 exit(1);
3564 }
99efa84d
MA		 3565 nb_option_roms++;
3566 break;
8e71621f 3567 case QEMU_OPTION_semihosting:
f1672e6f 3568 qemu_semihosting_enable();
a38bb079
LI		 3569 break;
3570 case QEMU_OPTION_semihosting_config:
f1672e6f 3571 if (qemu_semihosting_config_options(optarg) != 0) {
a38bb079
LI		 3572 exit(1);
3573 }
8e71621f 3574 break;
c35734b2 3575 case QEMU_OPTION_name:
70b94331
MA		 3576 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3577 optarg, true);
5d12f961
DDAG		 3578 if (!opts) {
3579 exit(1);
3580 }
c35734b2 3581 break;
66508601
BS		 3582 case QEMU_OPTION_prom_env:
3583 if (nb_prom_envs >= MAX_PROM_ENVS) {
3e515373 3584 error_report("too many prom variables");
66508601
BS		 3585 exit(1);
3586 }
3587 prom_envs[nb_prom_envs] = optarg;
3588 nb_prom_envs++;
3589 break;
2b8f2d41
AZ		 3590 case QEMU_OPTION_old_param:
3591 old_param = 1;
05ebd537 3592 break;
1ed2fc1f 3593 case QEMU_OPTION_rtc:
70b94331
MA		 3594 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3595 false);
1ed2fc1f 3596 if (!opts) {
1ed2fc1f 3597 exit(1);
7e0af5d0
FB		 3598 }
3599 break;
26a5f13b 3600 case QEMU_OPTION_tb_size:
f940488f
EC		 3601#ifndef CONFIG_TCG
3602 error_report("TCG is disabled");
3603 exit(1);
3604#endif
fe174132
PB		 3605 warn_report("The -tb-size option is deprecated, use -accel tcg,tb-size instead");
3606 object_register_sugar_prop(ACCEL_CLASS_NAME("tcg"), "tb-size", optarg);
26a5f13b 3607 break;
2e70f6ef 3608 case QEMU_OPTION_icount:
70b94331
MA		 3609 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3610 optarg, true);
1ad9580b
ST		 3611 if (!icount_opts) {
3612 exit(1);
3613 }
2e70f6ef 3614 break;
5bb7910a 3615 case QEMU_OPTION_incoming:
7c76235a
DDAG		 3616 if (!incoming) {
3617 runstate_set(RUN_STATE_INMIGRATE);
3618 }
5bb7910a
AL		 3619 incoming = optarg;
3620 break;
d15c05fc 3621 case QEMU_OPTION_only_migratable:
811f8652 3622 only_migratable = 1;
d15c05fc 3623 break;
d8c208dd 3624 case QEMU_OPTION_nodefaults:
d44229c5 3625 has_defaults = 0;
d8c208dd 3626 break;
e37630ca 3627 case QEMU_OPTION_xen_domid:
ad96090a 3628 if (!(xen_available())) {
da002526 3629 error_report("Option not supported for this target");
ad96090a
BS		 3630 exit(1);
3631 }
e37630ca
AL		 3632 xen_domid = atoi(optarg);
3633 break;
e37630ca 3634 case QEMU_OPTION_xen_attach:
ad96090a 3635 if (!(xen_available())) {
da002526 3636 error_report("Option not supported for this target");
ad96090a
BS		 3637 exit(1);
3638 }
e37630ca
AL		 3639 xen_mode = XEN_ATTACH;
3640 break;
1c599472
PD		 3641 case QEMU_OPTION_xen_domid_restrict:
3642 if (!(xen_available())) {
3643 error_report("Option not supported for this target");
3644 exit(1);
3645 }
3646 xen_domid_restrict = true;
3647 break;
ab6540d5 3648 case QEMU_OPTION_trace:
e9e0bb2a
DL		 3649 g_free(trace_file);
3650 trace_file = trace_opt_parse(optarg);
ab6540d5 3651 break;
42229a75
LV		 3652 case QEMU_OPTION_plugin:
3653 qemu_plugin_opt_parse(optarg, &plugin_list);
3654 break;
715a664a
GH		 3655 case QEMU_OPTION_readconfig:
3656 {
dcfb0939
KW		 3657 int ret = qemu_read_config_file(optarg);
3658 if (ret < 0) {
f61eddcb
EH		 3659 error_report("read config %s: %s", optarg,
3660 strerror(-ret));
715a664a
GH		 3661 exit(1);
3662 }
715a664a
GH		 3663 break;
3664 }
29b0040b
GH		 3665 case QEMU_OPTION_spice:
3666 olist = qemu_find_opts("spice");
3667 if (!olist) {
5dfdae81 3668 error_report("spice support is disabled");
29b0040b
GH		 3669 exit(1);
3670 }
70b94331 3671 opts = qemu_opts_parse_noisily(olist, optarg, false);
29b0040b 3672 if (!opts) {
29b0040b
GH		 3673 exit(1);
3674 }
f963e4d0 3675 display_remote++;
29b0040b 3676 break;
715a664a
GH		 3677 case QEMU_OPTION_writeconfig:
3678 {
3679 FILE *fp;
3680 if (strcmp(optarg, "-") == 0) {
3681 fp = stdout;
3682 } else {
3683 fp = fopen(optarg, "w");
3684 if (fp == NULL) {
f61eddcb
EH		 3685 error_report("open %s: %s", optarg,
3686 strerror(errno));
715a664a
GH		 3687 exit(1);
3688 }
3689 }
3690 qemu_config_write(fp);
7fb8b5d9
CG		 3691 if (fp != stdout) {
3692 fclose(fp);
3693 }
715a664a
GH		 3694 break;
3695 }
c7f0f3b1
AL		 3696 case QEMU_OPTION_qtest:
3697 qtest_chrdev = optarg;
3698 break;
3699 case QEMU_OPTION_qtest_log:
3700 qtest_log = optarg;
3701 break;
7d76ad4f 3702 case QEMU_OPTION_sandbox:
2bb814a4
MAL		 3703 olist = qemu_find_opts("sandbox");
3704 if (!olist) {
3705#ifndef CONFIG_SECCOMP
3706 error_report("-sandbox support is not enabled "
3707 "in this QEMU binary");
3708#endif
3709 exit(1);
3710 }
3711
3712 opts = qemu_opts_parse_noisily(olist, optarg, true);
7d76ad4f 3713 if (!opts) {
49295ebc 3714 exit(1);
7d76ad4f
EO		 3715 }
3716 break;
587ed6be
CB		 3717 case QEMU_OPTION_add_fd:
3718#ifndef _WIN32
70b94331
MA		 3719 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3720 optarg, false);
587ed6be 3721 if (!opts) {
49295ebc 3722 exit(1);
587ed6be
CB		 3723 }
3724#else
3725 error_report("File descriptor passing is disabled on this "
3726 "platform");
3727 exit(1);
3728#endif
3729 break;
68d98d3e 3730 case QEMU_OPTION_object:
70b94331
MA		 3731 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3732 optarg, true);
49295ebc
MA		 3733 if (!opts) {
3734 exit(1);
3735 }
68d98d3e 3736 break;
888a6bc6 3737 case QEMU_OPTION_realtime:
583f34c4
TH		 3738 warn_report("'-realtime mlock=...' is deprecated, please use "
3739 "'-overcommit mem-lock=...' instead");
70b94331
MA		 3740 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3741 optarg, false);
888a6bc6
SM		 3742 if (!opts) {
3743 exit(1);
3744 }
6f131f13
MT		 3745 /* Don't override the -overcommit option if set */
3746 enable_mlock = enable_mlock ||
3747 qemu_opt_get_bool(opts, "mlock", true);
3748 break;
3749 case QEMU_OPTION_overcommit:
3750 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3751 optarg, false);
3752 if (!opts) {
3753 exit(1);
3754 }
3755 /* Don't override the -realtime option if set */
3756 enable_mlock = enable_mlock ||
3757 qemu_opt_get_bool(opts, "mem-lock", false);
3758 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
888a6bc6 3759 break;
5e2ac519 3760 case QEMU_OPTION_msg:
70b94331
MA		 3761 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3762 false);
5e2ac519
SA		 3763 if (!opts) {
3764 exit(1);
3765 }
3766 configure_msg(opts);
3767 break;
abfd9ce3 3768 case QEMU_OPTION_dump_vmstate:
522abf69 3769 if (vmstate_dump_file) {
f61eddcb
EH		 3770 error_report("only one '-dump-vmstate' "
3771 "option may be given");
522abf69
GA		 3772 exit(1);
3773 }
abfd9ce3
AS		 3774 vmstate_dump_file = fopen(optarg, "w");
3775 if (vmstate_dump_file == NULL) {
f61eddcb 3776 error_report("open %s: %s", optarg, strerror(errno));
abfd9ce3
AS		 3777 exit(1);
3778 }
12df189d
EC		 3779 break;
3780 case QEMU_OPTION_enable_sync_profile:
3781 qsp_enable();
abfd9ce3 3782 break;
aec0d0e1
MP		 3783 case QEMU_OPTION_nouserconfig:
3784 /* Nothing to be parsed here. Especially, do not error out below. */
3785 break;
59a5264b 3786 default:
1217d6ca
TH		 3787 if (os_parse_cmd_args(popt->index, optarg)) {
3788 error_report("Option not supported in this build");
3789 exit(1);
3790 }
cd6f1169 3791 }
0824d6fc
FB		 3792 }
3793 }
43fa1e0b
EH		 3794 /*
3795 * Clear error location left behind by the loop.
3796 * Best done right after the loop. Do not insert code here!
3797 */
3798 loc_set_none();
364c3e6b 3799
3df261b6
PM		 3800 /*
3801 * Check for -cpu help and -device help before we call select_machine(),
3802 * which will return an error if the architecture has no default machine
3803 * type and the user did not specify one, so that the user doesn't need
3804 * to say '-cpu help -machine something'.
3805 */
3806 if (cpu_option && is_help_option(cpu_option)) {
3807 list_cpus(cpu_option);
3808 exit(0);
3809 }
3810
3811 if (qemu_opts_foreach(qemu_find_opts("device"),
3812 device_help_func, NULL, NULL)) {
3813 exit(0);
3814 }
3815
fc4a4734
MA		 3816 user_register_global_props();
3817
4c27b859
PD		 3818 replay_configure(icount_opts);
3819
047f7038
IM		 3820 if (incoming && !preconfig_exit_requested) {
3821 error_report("'preconfig' and 'incoming' options are "
3822 "mutually exclusive");
3823 exit(EXIT_FAILURE);
3824 }
3825
eb6a5209
AP		 3826 configure_rtc(qemu_find_opts_singleton("rtc"));
3827
7580f231 3828 machine_class = select_machine();
1a3ec8c1 3829 object_set_machine_compat_props(machine_class->compat_props);
076b35b5 3830
2a7b18a3
IM		 3831 have_custom_ram_size = set_memory_options(&ram_slots, &maxram_size,
3832 machine_class);
3833
2d9c2725 3834 os_daemonize();
d6919e4c
AB		 3835
3836 /*
3837 * If QTest is enabled, keep the rcu_atfork enabled, since system processes
3838 * may be forked testing purposes (e.g. fork-server based fuzzing) The fork
3839 * should happen before a signle cpu instruction is executed, to prevent
3840 * deadlocks. See commit 73c6e40, rcu: "completely disable pthread_atfork
3841 * callbacks as soon as possible"
3842 */
3843 if (!qtest_enabled()) {
3844 rcu_disable_atfork();
3845 }
2d9c2725 3846
9e6bdef2
MAL		 3847 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3848 error_reportf_err(err, "cannot create PID file: ");
004c8e00
MT		 3849 exit(1);
3850 }
3851
90a84d13
MAL		 3852 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3853 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3854
2f78e491 3855 if (qemu_init_main_loop(&main_loop_err)) {
565f65d2 3856 error_report_err(main_loop_err);
1c53786f
PB		 3857 exit(1);
3858 }
3859
9d0fdecb 3860#ifdef CONFIG_SECCOMP
5780760f 3861 olist = qemu_find_opts_err("sandbox", NULL);
65484597
MA		 3862 if (olist) {
3863 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
7d76ad4f 3864 }
9d0fdecb 3865#endif
7d76ad4f 3866
5343bda4
MA		 3867 qemu_opts_foreach(qemu_find_opts("name"),
3868 parse_name, NULL, &error_fatal);
5b9d313e 3869
587ed6be 3870#ifndef _WIN32
6353218b
MA		 3871 qemu_opts_foreach(qemu_find_opts("add-fd"),
3872 parse_add_fd, NULL, &error_fatal);
587ed6be 3873
6353218b
MA		 3874 qemu_opts_foreach(qemu_find_opts("add-fd"),
3875 cleanup_add_fd, NULL, &error_fatal);
587ed6be
CB		 3876#endif
3877
3c75e12e 3878 current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
52eb3dfd
MA		 3879 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3880 exit(0);
3881 }
0056ae24 3882 object_property_add_child(object_get_root(), "machine",
d2623129 3883 OBJECT(current_machine));
e2fb3fbb
MA		 3884 object_property_add_child(container_get(OBJECT(current_machine),
3885 "/unattached"),
d2623129 3886 "sysbus", OBJECT(sysbus_get_default()));
20bccb82
PM		 3887
3888 if (machine_class->minimum_page_bits) {
3889 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3890 /* This would be a board error: specifying a minimum smaller than
3891 * a target's compile-time fixed setting.
3892 */
3893 g_assert_not_reached();
3894 }
3895 }
3896
b5c2c3d0 3897 cpu_exec_init_all();
0056ae24 3898
958db90c 3899 if (machine_class->hw_version) {
35c2c8dc 3900 qemu_set_hw_version(machine_class->hw_version);
93bfef4c
CV		 3901 }
3902
62cb4145
DL		 3903 if (!trace_init_backends()) {
3904 exit(1);
3905 }
41fc57e4
PB		 3906 trace_init_file(trace_file);
3907
67633bb4 3908 /* Open the logfile at this point and set the log mask if necessary.
c235d738 3909 */
e144a605 3910 qemu_set_log_filename(log_file, &error_fatal);
c235d738 3911 if (log_mask) {
b946bffa 3912 int mask;
b946bffa
PM		 3913 mask = qemu_str_to_log_mask(log_mask);
3914 if (!mask) {
3915 qemu_print_log_usage(stdout);
3916 exit(1);
3917 }
3918 qemu_set_log(mask);
ed7f5f1d
PB		 3919 } else {
3920 qemu_set_log(0);
c235d738 3921 }
330d0414 3922
3d5eecab
GH		 3923 /* add configured firmware directories */
3924 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3925 for (i = 0; dirs[i] != NULL; i++) {
3926 qemu_add_data_dir(dirs[i]);
3927 }
35471127 3928 g_strfreev(dirs);
3d5eecab
GH		 3929
3930 /* try to find datadir relative to the executable path */
35471127
MAL		 3931 dir = os_find_datadir();
3932 qemu_add_data_dir(dir);
3933 g_free(dir);
2a1cce90 3934
3d5eecab 3935 /* add the datadir specified when building */
2a1cce90 3936 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
5cea8590 3937
37146e7e
RJ		 3938 /* -L help lists the data directories and exits. */
3939 if (list_data_dirs) {
3940 for (i = 0; i < data_dir_idx; i++) {
3941 printf("%s\n", data_dir[i]);
3942 }
3943 exit(0);
3944 }
3945
72649619
EC		 3946 /* machine_class: default to UP */
3947 machine_class->max_cpus = machine_class->max_cpus ?: 1;
3948 machine_class->min_cpus = machine_class->min_cpus ?: 1;
3949 machine_class->default_cpus = machine_class->default_cpus ?: 1;
3950
3951 /* default to machine_class->default_cpus */
a5e0b331
LX		 3952 current_machine->smp.cpus = machine_class->default_cpus;
3953 current_machine->smp.max_cpus = machine_class->default_cpus;
3954 current_machine->smp.cores = 1;
3955 current_machine->smp.threads = 1;
8cb30e3a 3956 current_machine->smp.sockets = 1;
72649619 3957
6f479566
LX		 3958 machine_class->smp_parse(current_machine,
3959 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
6be68d7e 3960
72649619 3961 /* sanity-check smp_cpus and max_cpus against machine_class */
a5e0b331 3962 if (current_machine->smp.cpus < machine_class->min_cpus) {
72649619 3963 error_report("Invalid SMP CPUs %d. The min CPUs "
a5e0b331
LX		 3964 "supported by machine '%s' is %d",
3965 current_machine->smp.cpus,
72649619
EC		 3966 machine_class->name, machine_class->min_cpus);
3967 exit(1);
3968 }
a5e0b331 3969 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
c0dd1099 3970 error_report("Invalid SMP CPUs %d. The max CPUs "
a5e0b331
LX		 3971 "supported by machine '%s' is %d",
3972 current_machine->smp.max_cpus,
f61eddcb 3973 machine_class->name, machine_class->max_cpus);
b2097003
AL		 3974 exit(1);
3975 }
3976
ffac16fa
IM		 3977 if (mem_prealloc) {
3978 char *val;
3979
3980 val = g_strdup_printf("%d", current_machine->smp.cpus);
3981 object_register_sugar_prop("memory-backend", "prealloc-threads", val);
3982 g_free(val);
4ebc74db 3983 object_register_sugar_prop("memory-backend", "prealloc", "on");
ffac16fa
IM		 3984 }
3985
67b724e6
AP		 3986 /*
3987 * Get the default machine options from the machine if it is not already
3988 * specified either by the configuration file or by the command line.
3989 */
958db90c 3990 if (machine_class->default_machine_opts) {
25de5935 3991 qemu_opts_set_defaults(qemu_find_opts("machine"),
958db90c 3992 machine_class->default_machine_opts, 0);
67b724e6
AP		 3993 }
3994
42229a75
LV		 3995 /* process plugin before CPUs are created, but once -smp has been parsed */
3996 if (qemu_plugin_load_list(&plugin_list)) {
3997 exit(1);
3998 }
3999
28d0de7a
MA		 4000 qemu_opts_foreach(qemu_find_opts("device"),
4001 default_driver_check, NULL, NULL);
4002 qemu_opts_foreach(qemu_find_opts("global"),
4003 default_driver_check, NULL, NULL);
998bbd74 4004
d44229c5
MW		 4005 if (!vga_model && !default_vga) {
4006 vga_interface_type = VGA_DEVICE;
4007 }
958db90c 4008 if (!has_defaults || machine_class->no_serial) {
986c5f78
GH		 4009 default_serial = 0;
4010 }
958db90c 4011 if (!has_defaults || machine_class->no_parallel) {
986c5f78
GH		 4012 default_parallel = 0;
4013 }
958db90c 4014 if (!has_defaults || machine_class->no_floppy) {
ac33f8fa
GH		 4015 default_floppy = 0;
4016 }
958db90c 4017 if (!has_defaults || machine_class->no_cdrom) {
ac33f8fa
GH		 4018 default_cdrom = 0;
4019 }
958db90c 4020 if (!has_defaults || machine_class->no_sdcard) {
ac33f8fa
GH		 4021 default_sdcard = 0;
4022 }
d44229c5
MW		 4023 if (!has_defaults) {
4024 default_monitor = 0;
4025 default_net = 0;
4026 default_vga = 0;
4027 }
986c5f78 4028
ab51b1d5 4029 if (is_daemonized()) {
2ee3518b
IM		 4030 if (!preconfig_exit_requested) {
4031 error_report("'preconfig' and 'daemonize' options are "
4032 "mutually exclusive");
4033 exit(EXIT_FAILURE);
4034 }
4035
ab51b1d5
MT		 4036 /* According to documentation and historically, -nographic redirects
4037 * serial port, parallel port and monitor to stdio, which does not work
4038 * with -daemonize. We can redirect these to null instead, but since
4039 * -nographic is legacy, let's just error out.
4040 * We disallow -nographic only if all other ports are not redirected
4041 * explicitly, to not break existing legacy setups which uses
4042 * -nographic _and_ redirects all ports explicitly - this is valid
4043 * usage, -nographic is just a no-op in this case.
4044 */
cfc58cf3 4045 if (nographic
9fd7e96a 4046 && (default_parallel || default_serial || default_monitor)) {
4cd70f34 4047 error_report("-nographic cannot be used with -daemonize");
ab51b1d5
MT		 4048 exit(1);
4049 }
4050#ifdef CONFIG_CURSES
e3af9f9a 4051 if (dpy.type == DISPLAY_TYPE_CURSES) {
4cd70f34 4052 error_report("curses display cannot be used with -daemonize");
ab51b1d5
MT		 4053 exit(1);
4054 }
4055#endif
4056 }
4057
cfc58cf3 4058 if (nographic) {
6a5e8b0e
GH		 4059 if (default_parallel)
4060 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 4061 if (default_serial && default_monitor) {
4062 add_device_config(DEV_SERIAL, "mon:stdio");
4063 } else {
4064 if (default_serial)
4065 add_device_config(DEV_SERIAL, "stdio");
4066 if (default_monitor)
4821cd4c 4067 monitor_parse("stdio", "readline", false);
e1c09175 4068 }
998bbd74
GH		 4069 } else {
4070 if (default_serial)
4071 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 4072 if (default_parallel)
4073 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4074 if (default_monitor)
4821cd4c 4075 monitor_parse("vc:80Cx24C", "readline", false);
bc0129d9
AL		 4076 }
4077
006decd4
GH		 4078#if defined(CONFIG_VNC)
4079 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4080 display_remote++;
4081 }
4082#endif
e3af9f9a 4083 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
898f9d41
GH		 4084 if (!qemu_display_find_default(&dpy)) {
4085 dpy.type = DISPLAY_TYPE_NONE;
4086#if defined(CONFIG_VNC)
4087 vnc_parse("localhost:0,to=99,id=default", &error_abort);
15546425 4088#endif
898f9d41 4089 }
15546425 4090 }
db71589f
GH		 4091 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4092 dpy.type = DISPLAY_TYPE_NONE;
15546425
AL		 4093 }
4094
09bd7ba9
TH		 4095 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4096 error_report("-alt-grab and -ctrl-grab are only valid "
f61eddcb 4097 "for SDL, ignoring option");
047d4e15 4098 }
78782712 4099 if (dpy.has_window_close &&
e3af9f9a 4100 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
f61eddcb
EH		 4101 error_report("-no-quit is only valid for GTK and SDL, "
4102 "ignoring option");
047d4e15
PW		 4103 }
4104
5ee1718f 4105 qemu_display_early_init(&dpy);
777357d7
MAL		 4106 qemu_console_early_init();
4107
62f27922 4108 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
0b71a5d5 4109#if defined(CONFIG_OPENGL)
8afb9000 4110 error_report("OpenGL is not supported by the display");
0b71a5d5 4111#else
5dfdae81 4112 error_report("OpenGL support is disabled");
0b71a5d5
GH		 4113#endif
4114 exit(1);
4115 }
15546425 4116
87f50caa 4117 page_size_init();
a5829fd9
T		 4118 socket_init();
4119
7e1e0c11
MA		 4120 qemu_opts_foreach(qemu_find_opts("object"),
4121 user_creatable_add_opts_foreach,
4122 object_create_initial, &error_fatal);
a4c7367f 4123
dd4af977
MA		 4124 qemu_opts_foreach(qemu_find_opts("chardev"),
4125 chardev_init_func, NULL, &error_fatal);
4e7f9032
AB		 4126 /* now chardevs have been created we may have semihosting to connect */
4127 qemu_semihosting_connect_chardevs();
2c189a4e 4128
758e8e38 4129#ifdef CONFIG_VIRTFS
b836723d
MA		 4130 qemu_opts_foreach(qemu_find_opts("fsdev"),
4131 fsdev_init_func, NULL, &error_fatal);
74db920c 4132#endif
1a688d3b 4133
cda4aa9a
MA		 4134 /*
4135 * Note: we need to create block backends before
4136 * machine_set_property(), so machine properties can refer to
2fa23277 4137 * them.
cda4aa9a
MA		 4138 */
4139 configure_blockdev(&bdo_queue, machine_class, snapshot);
4140
6b1b1440 4141 machine_opts = qemu_get_machine_opts();
702832b8
MA		 4142 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4143 &error_fatal);
622e99c5
IM		 4144 current_machine->ram_size = ram_size;
4145 current_machine->maxram_size = maxram_size;
4146 current_machine->ram_slots = ram_slots;
6b1b1440 4147
0427b625
MA		 4148 /*
4149 * Note: uses machine properties such as kernel-irqchip, must run
4150 * after machine_set_property().
4151 */
28a09617 4152 configure_accelerators(argv[0]);
214910a7 4153
0427b625
MA		 4154 /*
4155 * Beware, QOM objects created before this point miss global and
4156 * compat properties.
4157 *
4158 * Global properties get set up by qdev_prop_register_global(),
4159 * called from user_register_global_props(), and certain option
4160 * desugaring. Also in CPU feature desugaring (buried in
c1c8cfe5 4161 * parse_cpu_option()), which happens below this point, but may
0427b625 4162 * only target the CPU type, which can only be created after
c1c8cfe5 4163 * parse_cpu_option() returned the type.
0427b625
MA		 4164 *
4165 * Machine compat properties: object_set_machine_compat_props().
4166 * Accelerator compat props: object_set_accelerator_compat_props(),
4167 * called from configure_accelerator().
4168 */
4169
08fe6824
TH		 4170 if (!qtest_enabled() && machine_class->deprecation_reason) {
4171 error_report("Machine type '%s' is deprecated: %s",
4172 machine_class->name, machine_class->deprecation_reason);
4173 }
4174
2fa23277 4175 /*
0427b625
MA		 4176 * Note: creates a QOM object, must run only after global and
4177 * compat properties have been set up.
2fa23277
MA		 4178 */
4179 migration_object_init();
4180
2c189a4e 4181 if (qtest_chrdev) {
2b8985f1 4182 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
2c189a4e
DB		 4183 }
4184
2ff3de68
MA		 4185 machine_opts = qemu_get_machine_opts();
4186 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4187 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4188 kernel_cmdline = qemu_opt_get(machine_opts, "append");
1442d3e6 4189 bios_name = qemu_opt_get(machine_opts, "firmware");
967c0da7 4190
8281abd5
MA		 4191 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4192 if (opts) {
f05f47bb
GA		 4193 boot_order = qemu_opt_get(opts, "order");
4194 if (boot_order) {
007b0657 4195 validate_bootdevices(boot_order, &error_fatal);
8281abd5
MA		 4196 }
4197
f05f47bb
GA		 4198 boot_once = qemu_opt_get(opts, "once");
4199 if (boot_once) {
007b0657 4200 validate_bootdevices(boot_once, &error_fatal);
8281abd5
MA		 4201 }
4202
4203 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
e5187b56 4204 boot_strict = qemu_opt_get_bool(opts, "strict", false);
8281abd5
MA		 4205 }
4206
f05f47bb
GA		 4207 if (!boot_order) {
4208 boot_order = machine_class->default_boot_order;
4209 }
4210
a0abe474
PM		 4211 if (!kernel_cmdline) {
4212 kernel_cmdline = "";
6b1b1440 4213 current_machine->kernel_cmdline = (char *)kernel_cmdline;
a0abe474
PM		 4214 }
4215
a20dd508 4216 linux_boot = (kernel_filename != NULL);
6c41b272 4217
f8d39c01 4218 if (!linux_boot && *kernel_cmdline != '\0') {
f61eddcb 4219 error_report("-append only allowed with -kernel option");
f8d39c01
TS		 4220 exit(1);
4221 }
4222
4223 if (!linux_boot && initrd_filename != NULL) {
f61eddcb 4224 error_report("-initrd only allowed with -kernel option");
f8d39c01
TS		 4225 exit(1);
4226 }
4227
a59d31a1
LA		 4228 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4229 /* fall back to the -kernel/-append */
4230 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4231 }
4232
ad1be899
AL		 4233 /* spice needs the timers to be initialized by this point */
4234 qemu_spice_init();
ad1be899 4235
4603ea01 4236 cpu_ticks_init();
83fd9629 4237
d30300f7
EH		 4238 if (default_net) {
4239 QemuOptsList *net = qemu_find_opts("net");
4240 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4241#ifdef CONFIG_SLIRP
4242 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4243#endif
4244 }
4245
34f708b0
TH		 4246 if (net_init_clients(&err) < 0) {
4247 error_report_err(err);
dc1c9fe8 4248 exit(1);
702c651c 4249 }
f1510b2c 4250
7e1e0c11
MA		 4251 qemu_opts_foreach(qemu_find_opts("object"),
4252 user_creatable_add_opts_foreach,
4253 object_create_delayed, &error_fatal);
9abce56d 4254
d10e05f1 4255 tpm_init();
d1a0cf73 4256
c163b5ca 4257 blk_mig_init();
0d6ab3ab 4258 ram_mig_init();
b35ebdf0 4259 dirty_bitmap_mig_init();
c163b5ca 4260
2d5a3a8b
MA		 4261 qemu_opts_foreach(qemu_find_opts("mon"),
4262 mon_init_func, NULL, &error_fatal);
157b9319 4263
8de702cb
KP		 4264 /* connect semihosting console input if requested */
4265 qemu_semihosting_console_init();
4266
998bbd74
GH		 4267 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4268 exit(1);
6a5e8b0e
GH		 4269 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4270 exit(1);
c9f398e5
PA		 4271 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4272 exit(1);
2796dae0 4273
7f1b17f2 4274 /* If no default VGA is requested, the default is "none". */
3605ded5 4275 if (default_vga) {
dceb8852 4276 vga_model = get_default_vga_model(machine_class);
a369da5f 4277 }
d44229c5 4278 if (vga_model) {
dceb8852 4279 select_vgahw(machine_class, vga_model);
d44229c5 4280 }
a369da5f 4281
09aaa160
MA		 4282 if (watchdog) {
4283 i = select_watchdog(watchdog);
4284 if (i > 0)
4285 exit (i == 1 ? 1 : 0);
4286 }
4287
8bd7f71d
PD		 4288 /* This checkpoint is required by replay to separate prior clock
4289 reading from the other reads, because timer polling functions query
4290 clock values from the log. */
4291 replay_checkpoint(CHECKPOINT_INIT);
1de81d28
AL		 4292 qdev_machine_init();
4293
3ef96221 4294 current_machine->boot_order = boot_order;
3ef96221 4295
6063d4c0 4296 /* parse features once if machine provides default cpu_type */
2278b939 4297 current_machine->cpu_type = machine_class->default_cpu_type;
c1c8cfe5
EH		 4298 if (cpu_option) {
4299 current_machine->cpu_type = parse_cpu_option(cpu_option);
6063d4c0 4300 }
a1b18df9 4301
2a7b18a3
IM		 4302 if (current_machine->ram_memdev_id) {
4303 Object *backend;
4304 ram_addr_t backend_size;
4305
4306 backend = object_resolve_path_type(current_machine->ram_memdev_id,
4307 TYPE_MEMORY_BACKEND, NULL);
4951247d
MAL		 4308 if (!backend) {
4309 error_report("Memory backend '%s' not found",
4310 current_machine->ram_memdev_id);
4311 exit(EXIT_FAILURE);
4312 }
2a7b18a3
IM		 4313 backend_size = object_property_get_uint(backend, "size", &error_abort);
4314 if (have_custom_ram_size && backend_size != ram_size) {
4315 error_report("Size specified by -m option must match size of "
4316 "explicitly specified 'memory-backend' property");
4317 exit(EXIT_FAILURE);
4318 }
1148e4f4
IM		 4319 if (mem_path) {
4320 error_report("'-mem-path' can't be used together with"
4321 "'-machine memory-backend'");
4322 exit(EXIT_FAILURE);
4323 }
2a7b18a3
IM		 4324 ram_size = backend_size;
4325 }
4326
4327 if (!xen_enabled()) {
4328 /* On 32-bit hosts, QEMU is limited by virtual address space */
4329 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4330 error_report("at most 2047 MB RAM can be simulated");
4331 exit(1);
4332 }
4333 }
4334
d342eb76 4335 parse_numa_opts(current_machine);
6063d4c0 4336
59d55a16
IM		 4337 /* do monitor/qmp handling at preconfig state if requested */
4338 qemu_main_loop();
4339
900c0ba3 4340 if (machine_class->default_ram_id && current_machine->ram_size &&
6b61c2c5 4341 numa_uses_legacy_mem() && !current_machine->ram_memdev_id) {
ffac16fa 4342 create_default_memdev(current_machine, mem_path);
900c0ba3 4343 }
047f7038 4344
71830221
KZ		 4345 audio_init_audiodevs();
4346
047f7038 4347 /* from here on runstate is RUN_STATE_PRELAUNCH */
482dfe9a 4348 machine_run_board_init(current_machine);
3023f332 4349
28d16f38
HZ		 4350 realtime_init();
4351
4c565674 4352 soundhw_init();
b3e6d591 4353
b0cb0a66
VP		 4354 if (hax_enabled()) {
4355 hax_sync_vcpus();
4356 }
4357
406b6367
MA		 4358 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4359 parse_fw_cfg, fw_cfg_find(), &error_fatal);
81b2b810 4360
3023f332 4361 /* init USB devices */
4bcbe0b6 4362 if (machine_usb(current_machine)) {
0752706d
MA		 4363 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4364 exit(1);
3023f332
AL		 4365 }
4366
bd3c948d 4367 /* init generic devices */
bab47d9a 4368 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
cd65f349
MA		 4369 qemu_opts_foreach(qemu_find_opts("device"),
4370 device_init_func, NULL, &error_fatal);
9c6703fe 4371
3741c250
DL		 4372 cpu_synchronize_all_post_init();
4373
bab47d9a 4374 rom_reset_order_override();
bd3c948d 4375
a66c9dc7
JS		 4376 /* Did we create any drives that we failed to create a device for? */
4377 drive_check_orphaned();
4378
d30300f7
EH		 4379 /* Don't warn about the default network setup that you get if
4380 * no command line -net or -netdev options are specified. There
4381 * are two cases that we would otherwise complain about:
4382 * (1) board doesn't support a NIC but the implicit "-net nic"
4383 * requested one
4384 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4385 * sets up a nic that isn't connected to anything.
4386 */
a3ab1dc0 4387 if (!default_net && (!qtest_enabled() || has_defaults)) {
d30300f7
EH		 4388 net_check_clients();
4389 }
4390
f05f47bb 4391 if (boot_once) {
07d04a02 4392 qemu_boot_set(boot_once, &error_fatal);
f05f47bb
GA		 4393 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4394 }
4395
6b62dc2d 4396 /* init local displays */
b0766612
GH		 4397 ds = init_displaystate();
4398 qemu_display_init(ds, &dpy);
6b62dc2d 4399
0ce235a7
GN		 4400 /* must be after terminal init, SDL library changes signal handlers */
4401 os_setup_signal_handling();
4402
6b62dc2d 4403 /* init remote displays */
a663fbd9 4404#ifdef CONFIG_VNC
28d0de7a 4405 qemu_opts_foreach(qemu_find_opts("vnc"),
612aea20 4406 vnc_init_func, NULL, &error_fatal);
a663fbd9 4407#endif
f8c75b24 4408
9fa03286
GH		 4409 if (using_spice) {
4410 qemu_spice_display_init();
a3e22260 4411 }
5b08fc10 4412
ef0c4a0d 4413 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
59030a8c 4414 exit(1);
45669e00 4415 }
45669e00 4416
3418bd25
GH		 4417 qdev_machine_creation_done();
4418
80376c3f
IY		 4419 /* TODO: once all bus devices are qdevified, this should be done
4420 * when bus is created by qdev.c */
751b4b7b
DH		 4421 /*
4422 * TODO: If we had a main 'reset container' that the whole system
4423 * lived in, we could reset that using the multi-phase reset
4424 * APIs. For the moment, we just reset the sysbus, which will cause
4425 * all devices hanging off it (and all their child buses, recursively)
4426 * to be reset. Note that this will *not* reset any Device objects
4427 * which are not attached to some part of the qbus tree!
4428 */
4429 qemu_register_reset(resettable_cold_reset_fn, sysbus_get_default());
4cab946a
GN		 4430 qemu_run_machine_init_done_notifiers();
4431
6b3f7f63 4432 if (rom_check_and_register_reset() != 0) {
f61eddcb 4433 error_report("rom check and register reset failed");
6b3f7f63
EA		 4434 exit(1);
4435 }
d916b464 4436
7615936e
PD		 4437 replay_start();
4438
8bd7f71d
PD		 4439 /* This checkpoint is required by replay to separate prior clock
4440 reading from the other reads, because timer polling functions query
4441 clock values from the log. */
4442 replay_checkpoint(CHECKPOINT_RESET);
aedbe192 4443 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
48212d87 4444 register_global_state();
bb3d7702 4445 if (loadvm) {
927d6638 4446 Error *local_err = NULL;
5e22479a 4447 if (load_snapshot(loadvm, &local_err) < 0) {
927d6638 4448 error_report_err(local_err);
05f2401e 4449 autostart = 0;
827beacb 4450 exit(1);
05f2401e
JQ		 4451 }
4452 }
bb3d7702
PD		 4453 if (replay_mode != REPLAY_MODE_NONE) {
4454 replay_vmstate_init();
4455 }
d63d307f 4456
d828c430 4457 qdev_prop_check_globals();
abfd9ce3
AS		 4458 if (vmstate_dump_file) {
4459 /* dump and exit */
4460 dump_vmstate_json_to_file(vmstate_dump_file);
7b733862 4461 exit(0);
abfd9ce3 4462 }
9f9260a3 4463
2bb8c10c 4464 if (incoming) {
43eaae28
PB		 4465 Error *local_err = NULL;
4466 qemu_start_incoming_migration(incoming, &local_err);
4467 if (local_err) {
c29b77f9 4468 error_reportf_err(local_err, "-incoming %s: ", incoming);
43eaae28 4469 exit(1);
8ca5e801 4470 }
6b99dadc 4471 } else if (autostart) {
c0f4ce77 4472 vm_start();
6b99dadc 4473 }
ffd843bc 4474
7a64c17f 4475 accel_setup_post(current_machine);
eb505be1 4476 os_setup_post();
71e3ceb8 4477
7b733862
AB		 4478 return;
4479}
4486e89c 4480
7b733862
AB		 4481void qemu_cleanup(void)
4482{
1bb982b8
KF		 4483 gdbserver_cleanup();
4484
892ae715
DDAG		 4485 /*
4486 * cleaning up the migration object cancels any existing migration
4487 * try to do this early so that it also stops using devices.
4488 */
4489 migration_shutdown();
4490
e6f0ac4d
HR		 4491 /*
4492 * We must cancel all block jobs while the block layer is drained,
4493 * or cancelling will be affected by throttling and thus may block
4494 * for an extended period of time.
4495 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4496 * it in the drained section.
4497 * We do not need to end this section, because we do not want any
4498 * requests happening from here on anyway.
4499 */
4500 bdrv_drain_all_begin();
4501
4486e89c
SH		 4502 /* No more vcpu or device emulation activity beyond this point */
4503 vm_shutdown();
ae25dccb 4504 replay_finish();
4486e89c 4505
b3b5299d 4506 job_cancel_sync_all();
452589b6 4507 bdrv_close_all();
00d09fdb 4508
3d3b8303 4509 res_free();
b46a8906 4510
aa5cb7f5 4511 /* vhost-user must be cleaned up before chardevs. */
c37cacab 4512 tpm_cleanup();
8caf911d 4513 net_cleanup();
a384c205 4514 audio_cleanup();
2ef45716 4515 monitor_cleanup();
aa5cb7f5 4516 qemu_chr_cleanup();
9d5139e5 4517 user_creatable_cleanup();
474628e8 4518 /* TODO: unref root container, check all devices are ok */
0824d6fc 4519}
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