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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"
e688df6b 26#include "qapi/error.h"
67a1de0d 27#include "qemu-version.h"
f348b6d1
VB
28#include "qemu/cutils.h"
29#include "qemu/help_option.h"
cea25275 30#include "qemu/uuid.h"
d40cdb10 31
452dfbef 32#ifdef CONFIG_SECCOMP
d8e39b70 33#include <sys/prctl.h>
9c17d615 34#include "sysemu/seccomp.h"
452dfbef
EO
35#endif
36
73332e5c 37#ifdef CONFIG_SDL
59a36a2f 38#if defined(__APPLE__) || defined(main)
6693665a 39#include <SDL.h>
880fec5d 40int qemu_main(int argc, char **argv, char **envp);
41int main(int argc, char **argv)
42{
59a36a2f 43 return qemu_main(argc, argv, NULL);
880fec5d 44}
45#undef main
46#define main qemu_main
96bcd4f8 47#endif
73332e5c 48#endif /* CONFIG_SDL */
0824d6fc 49
5b0753e0
FB
50#ifdef CONFIG_COCOA
51#undef main
52#define main qemu_main
53#endif /* CONFIG_COCOA */
54
69e5bb68 55
d49b6836 56#include "qemu/error-report.h"
c8897e8e 57#include "qemu/sockets.h"
511d2b14
BS
58#include "hw/hw.h"
59#include "hw/boards.h"
a1a9cb0c 60#include "sysemu/accel.h"
511d2b14 61#include "hw/usb.h"
0d09e41a 62#include "hw/isa/isa.h"
fb8b660e 63#include "hw/scsi/scsi.h"
866e2b37 64#include "hw/display/vga.h"
511d2b14 65#include "hw/bt.h"
0d09e41a 66#include "sysemu/watchdog.h"
60d8f328 67#include "hw/smbios/smbios.h"
9f57061c 68#include "hw/acpi/acpi.h"
0d09e41a 69#include "hw/xen/xen.h"
bd3c948d 70#include "hw/qdev.h"
45a50b16 71#include "hw/loader.h"
b4a42f81 72#include "monitor/qdev.h"
dccfcd0e 73#include "sysemu/bt.h"
1422e32d 74#include "net/net.h"
68ac40d2 75#include "net/slirp.h"
83c9089e 76#include "monitor/monitor.h"
28ecbaee 77#include "ui/console.h"
e0d2bd51 78#include "ui/input.h"
9c17d615 79#include "sysemu/sysemu.h"
e35704ba 80#include "sysemu/numa.h"
022c62cb 81#include "exec/gdbstub.h"
1de7afc9 82#include "qemu/timer.h"
8228e353 83#include "chardev/char.h"
b33276a7 84#include "qemu/bitmap.h"
03dd024f 85#include "qemu/log.h"
9c17d615 86#include "sysemu/blockdev.h"
0d09e41a 87#include "hw/block/block.h"
7b1e1a22 88#include "migration/misc.h"
5e22479a 89#include "migration/snapshot.h"
84a899de 90#include "migration/global_state.h"
bdee56f5 91#include "sysemu/tpm.h"
9c17d615 92#include "sysemu/dma.h"
8a824e4d 93#include "hw/audio/soundhw.h"
511d2b14 94#include "audio/audio.h"
4b4629d9 95#include "sysemu/cpus.h"
5821ebf9 96#include "migration/colo.h"
9c17d615 97#include "sysemu/kvm.h"
b0cb0a66 98#include "sysemu/hax.h"
42e5f393 99#include "qapi/qobject-input-visitor.h"
42e5f393 100#include "qapi-visit.h"
1de7afc9
PB
101#include "qemu/option.h"
102#include "qemu/config-file.h"
59a5264b 103#include "qemu-options.h"
1fa9a5e4 104#include "qmp-commands.h"
1de7afc9 105#include "qemu/main-loop.h"
758e8e38 106#ifdef CONFIG_VIRTFS
74db920c
GS
107#include "fsdev/qemu-fsdev.h"
108#endif
9c17d615 109#include "sysemu/qtest.h"
511d2b14 110
76cad711 111#include "disas/disas.h"
fc01f7e7 112
511d2b14 113
d918f23e 114#include "slirp/libslirp.h"
511d2b14 115
0ab8ed18 116#include "trace-root.h"
e4858974 117#include "trace/control.h"
1de7afc9 118#include "qemu/queue.h"
9c17d615 119#include "sysemu/arch_init.h"
72cf2d4f 120
29b0040b 121#include "ui/qemu-spice.h"
68d98d3e 122#include "qapi/string-input-visitor.h"
c4090f8e 123#include "qapi/opts-visitor.h"
84321831
WX
124#include "qom/object_interfaces.h"
125#include "qapi-event.h"
cfe67cef 126#include "exec/semihost.h"
ddbb0d09 127#include "crypto/init.h"
b60c48a7 128#include "sysemu/replay.h"
0194749a 129#include "qapi/qmp/qerror.h"
dce8921b 130#include "sysemu/iothread.h"
29b0040b 131
98b19252 132#define MAX_VIRTIO_CONSOLES 1
3ef669e1 133#define MAX_SCLP_CONSOLES 1
98b19252 134
4524051c
GH
135static const char *data_dir[16];
136static int data_dir_idx;
1192dad8 137const char *bios_name = NULL;
cb5a7aa8 138enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
da076ffe 139int display_opengl;
3d11d0eb 140const char* keyboard_layout = NULL;
c227f099 141ram_addr_t ram_size;
c902760f 142const char *mem_path = NULL;
c902760f 143int mem_prealloc = 0; /* force preallocation of physical target memory */
28d16f38 144bool enable_mlock = false;
c4b1fcc0 145int nb_nics;
7c9d8e07 146NICInfo nd_table[MAX_NICS];
d399f677 147int autostart;
f6503059
AZ
148static int rtc_utc = 1;
149static int rtc_date_offset = -1; /* -1 means no change */
884f17c2 150QEMUClockType rtc_clock;
64465297 151int vga_interface_type = VGA_NONE;
0c8d7065 152static DisplayOptions dpy;
04ff1a39 153int no_frame;
0ec7b3e7
MAL
154Chardev *serial_hds[MAX_SERIAL_PORTS];
155Chardev *parallel_hds[MAX_PARALLEL_PORTS];
156Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
157Chardev *sclp_hds[MAX_SCLP_CONSOLES];
a09db21f 158int win2k_install_hack = 0;
1b530a6d 159int singlestep = 0;
72649619
EC
160int smp_cpus;
161unsigned int max_cpus;
dc6b1c09
AP
162int smp_cores = 1;
163int smp_threads = 1;
6515b203 164int acpi_enabled = 1;
16b29ae1 165int no_hpet = 0;
52ca8d6a 166int fd_bootchk = 1;
4fdcac0e 167static int no_reboot;
b2f76161 168int no_shutdown = 0;
9467cd46 169int cursor_hide = 1;
a171fe39 170int graphic_rotate = 0;
09aaa160 171const char *watchdog;
2e55e842 172QEMUOptionRom option_rom[MAX_OPTION_ROMS];
9ae02555 173int nb_option_roms;
2b8f2d41 174int old_param = 0;
c35734b2 175const char *qemu_name;
3780e197 176int alt_grab = 0;
0ca9f8a4 177int ctrl_grab = 0;
66508601
BS
178unsigned int nb_prom_envs = 0;
179const char *prom_envs[MAX_PROM_ENVS];
95387491 180int boot_menu;
bc74112f 181bool boot_strict;
3d3b8303 182uint8_t *boot_splash_filedata;
d09acb9b 183size_t boot_splash_filedata_size;
3d3b8303 184uint8_t qemu_extra_params_fw[2];
0824d6fc 185
a8bfac37 186int icount_align_option;
1ca4d09a 187
9c5ce8db 188/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
caad057b
EH
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
9c5ce8db 191QemuUUID qemu_uuid;
fc3b3295 192bool qemu_uuid_set;
8fcb1b90 193
fd42deeb
GH
194static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
4cab946a
GN
197static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
d5286af5 200bool xen_allowed;
d745bef8
BS
201uint32_t xen_domid;
202enum xen_mode xen_mode = XEN_EMULATE;
1c599472 203bool xen_domid_restrict;
d745bef8 204
d44229c5 205static int has_defaults = 1;
998bbd74 206static int default_serial = 1;
6a5e8b0e 207static int default_parallel = 1;
986c5f78 208static int default_virtcon = 1;
3ef669e1 209static int default_sclp = 1;
abdeed06 210static int default_monitor = 1;
ac33f8fa
GH
211static int default_floppy = 1;
212static int default_cdrom = 1;
213static int default_sdcard = 1;
7f1b17f2 214static int default_vga = 1;
d30300f7 215static int default_net = 1;
998bbd74
GH
216
217static struct {
218 const char *driver;
219 int *flag;
220} default_list[] = {
6a5e8b0e
GH
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf 223 { .driver = "isa-fdc", .flag = &default_floppy },
a92bd191 224 { .driver = "floppy", .flag = &default_floppy },
af6bf132
MA
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
d8bcbabf 227 { .driver = "ide-drive", .flag = &default_cdrom },
af6bf132 228 { .driver = "scsi-cd", .flag = &default_cdrom },
f6f99b48 229 { .driver = "scsi-hd", .flag = &default_cdrom },
392ecf54 230 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
392ecf54 231 { .driver = "virtio-serial", .flag = &default_virtcon },
7f1b17f2
PB
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
a94f0c5c 238 { .driver = "virtio-vga", .flag = &default_vga },
998bbd74
GH
239};
240
4d454574
PB
241static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .desc = {
245 {
246 .name = "base",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "clock",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "driftfix",
253 .type = QEMU_OPT_STRING,
254 },
255 { /* end of list */ }
256 },
257};
258
259static QemuOptsList qemu_sandbox_opts = {
260 .name = "sandbox",
261 .implied_opt_name = "enable",
262 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
263 .desc = {
264 {
265 .name = "enable",
266 .type = QEMU_OPT_BOOL,
267 },
2b716fa6
EO
268 {
269 .name = "obsolete",
270 .type = QEMU_OPT_STRING,
271 },
73a1e647
EO
272 {
273 .name = "elevateprivileges",
274 .type = QEMU_OPT_STRING,
275 },
995a226f
EO
276 {
277 .name = "spawn",
278 .type = QEMU_OPT_STRING,
279 },
24f8cdc5
EO
280 {
281 .name = "resourcecontrol",
282 .type = QEMU_OPT_STRING,
283 },
4d454574
PB
284 { /* end of list */ }
285 },
286};
287
4d454574
PB
288static QemuOptsList qemu_option_rom_opts = {
289 .name = "option-rom",
290 .implied_opt_name = "romfile",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .desc = {
293 {
294 .name = "bootindex",
295 .type = QEMU_OPT_NUMBER,
296 }, {
297 .name = "romfile",
298 .type = QEMU_OPT_STRING,
299 },
300 { /* end of list */ }
301 },
302};
303
304static QemuOptsList qemu_machine_opts = {
305 .name = "machine",
306 .implied_opt_name = "type",
307 .merge_lists = true,
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 .desc = {
49d2e648
MA
310 /*
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
314 */
315 { }
4d454574
PB
316 },
317};
318
8d4e9146
FK
319static QemuOptsList qemu_accel_opts = {
320 .name = "accel",
321 .implied_opt_name = "accel",
322 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
323 .merge_lists = true,
324 .desc = {
325 {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "Select the type of accelerator",
329 },
330 {
331 .name = "thread",
332 .type = QEMU_OPT_STRING,
333 .help = "Enable/disable multi-threaded TCG",
334 },
335 { /* end of list */ }
336 },
337};
338
4d454574
PB
339static QemuOptsList qemu_boot_opts = {
340 .name = "boot-opts",
6ef4716c
MA
341 .implied_opt_name = "order",
342 .merge_lists = true,
4d454574
PB
343 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
344 .desc = {
4d454574
PB
345 {
346 .name = "order",
347 .type = QEMU_OPT_STRING,
348 }, {
349 .name = "once",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "menu",
6ef4716c 353 .type = QEMU_OPT_BOOL,
4d454574
PB
354 }, {
355 .name = "splash",
356 .type = QEMU_OPT_STRING,
357 }, {
358 .name = "splash-time",
359 .type = QEMU_OPT_STRING,
360 }, {
361 .name = "reboot-timeout",
362 .type = QEMU_OPT_STRING,
c8a6ae8b
AK
363 }, {
364 .name = "strict",
e5187b56 365 .type = QEMU_OPT_BOOL,
4d454574
PB
366 },
367 { /*End of list */ }
368 },
369};
370
371static QemuOptsList qemu_add_fd_opts = {
372 .name = "add-fd",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
374 .desc = {
375 {
376 .name = "fd",
377 .type = QEMU_OPT_NUMBER,
378 .help = "file descriptor of which a duplicate is added to fd set",
379 },{
380 .name = "set",
381 .type = QEMU_OPT_NUMBER,
382 .help = "ID of the fd set to add fd to",
383 },{
384 .name = "opaque",
385 .type = QEMU_OPT_STRING,
386 .help = "free-form string used to describe fd",
387 },
388 { /* end of list */ }
389 },
390};
391
392static QemuOptsList qemu_object_opts = {
393 .name = "object",
394 .implied_opt_name = "qom-type",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
396 .desc = {
397 { }
398 },
399};
400
d1a0cf73
SB
401static QemuOptsList qemu_tpmdev_opts = {
402 .name = "tpmdev",
403 .implied_opt_name = "type",
404 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
405 .desc = {
bb716238 406 /* options are defined in the TPM backends */
d1a0cf73
SB
407 { /* end of list */ }
408 },
409};
410
888a6bc6
SM
411static QemuOptsList qemu_realtime_opts = {
412 .name = "realtime",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
414 .desc = {
415 {
416 .name = "mlock",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421};
422
5e2ac519
SA
423static QemuOptsList qemu_msg_opts = {
424 .name = "msg",
425 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
426 .desc = {
427 {
428 .name = "timestamp",
429 .type = QEMU_OPT_BOOL,
430 },
431 { /* end of list */ }
432 },
433};
434
5d12f961
DDAG
435static QemuOptsList qemu_name_opts = {
436 .name = "name",
437 .implied_opt_name = "guest",
438 .merge_lists = true,
439 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
440 .desc = {
441 {
442 .name = "guest",
443 .type = QEMU_OPT_STRING,
444 .help = "Sets the name of the guest.\n"
445 "This name will be displayed in the SDL window caption.\n"
446 "The name will also be used for the VNC server",
447 }, {
448 .name = "process",
449 .type = QEMU_OPT_STRING,
450 .help = "Sets the name of the QEMU process, as shown in top etc",
8f480de0
DDAG
451 }, {
452 .name = "debug-threads",
453 .type = QEMU_OPT_BOOL,
454 .help = "When enabled, name the individual threads; defaults off.\n"
455 "NOTE: The thread names are for debugging and not a\n"
456 "stable API.",
5d12f961
DDAG
457 },
458 { /* End of list */ }
459 },
460};
461
6e1d3c1c
IM
462static QemuOptsList qemu_mem_opts = {
463 .name = "memory",
464 .implied_opt_name = "size",
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
466 .merge_lists = true,
467 .desc = {
468 {
469 .name = "size",
470 .type = QEMU_OPT_SIZE,
471 },
c270fb9e
IM
472 {
473 .name = "slots",
474 .type = QEMU_OPT_NUMBER,
475 },
476 {
477 .name = "maxmem",
478 .type = QEMU_OPT_SIZE,
479 },
6e1d3c1c
IM
480 { /* end of list */ }
481 },
482};
483
1ad9580b
ST
484static QemuOptsList qemu_icount_opts = {
485 .name = "icount",
486 .implied_opt_name = "shift",
487 .merge_lists = true,
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
489 .desc = {
490 {
491 .name = "shift",
492 .type = QEMU_OPT_STRING,
a8bfac37
ST
493 }, {
494 .name = "align",
495 .type = QEMU_OPT_BOOL,
f1f4b57e
VC
496 }, {
497 .name = "sleep",
498 .type = QEMU_OPT_BOOL,
4c27b859
PD
499 }, {
500 .name = "rr",
501 .type = QEMU_OPT_STRING,
502 }, {
503 .name = "rrfile",
504 .type = QEMU_OPT_STRING,
9c2037d0
PD
505 }, {
506 .name = "rrsnapshot",
507 .type = QEMU_OPT_STRING,
1ad9580b
ST
508 },
509 { /* end of list */ }
510 },
511};
512
a38bb079
LI
513static QemuOptsList qemu_semihosting_config_opts = {
514 .name = "semihosting-config",
515 .implied_opt_name = "enable",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
517 .desc = {
518 {
519 .name = "enable",
520 .type = QEMU_OPT_BOOL,
521 }, {
522 .name = "target",
523 .type = QEMU_OPT_STRING,
a59d31a1
LA
524 }, {
525 .name = "arg",
526 .type = QEMU_OPT_STRING,
a38bb079
LI
527 },
528 { /* end of list */ }
529 },
530};
531
81b2b810
GS
532static QemuOptsList qemu_fw_cfg_opts = {
533 .name = "fw_cfg",
534 .implied_opt_name = "name",
535 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
536 .desc = {
537 {
538 .name = "name",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the fw_cfg name of the blob to be inserted",
541 }, {
542 .name = "file",
543 .type = QEMU_OPT_STRING,
544 .help = "Sets the name of the file from which\n"
545 "the fw_cfg blob will be loaded",
6407d76e
GS
546 }, {
547 .name = "string",
548 .type = QEMU_OPT_STRING,
549 .help = "Sets content of the blob to be inserted from a string",
81b2b810
GS
550 },
551 { /* end of list */ }
552 },
553};
554
7f9d6e54
MA
555/**
556 * Get machine options
557 *
558 * Returns: machine options (never null).
559 */
560QemuOpts *qemu_get_machine_opts(void)
561{
e96e5ae8 562 return qemu_find_opts_singleton("machine");
7f9d6e54
MA
563}
564
31459f46
RS
565const char *qemu_get_vm_name(void)
566{
567 return qemu_name;
568}
569
3d3b8303
WX
570static void res_free(void)
571{
012aef07
MA
572 g_free(boot_splash_filedata);
573 boot_splash_filedata = NULL;
3d3b8303
WX
574}
575
28d0de7a 576static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
998bbd74
GH
577{
578 const char *driver = qemu_opt_get(opts, "driver");
579 int i;
580
581 if (!driver)
582 return 0;
583 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
584 if (strcmp(default_list[i].driver, driver) != 0)
585 continue;
586 *(default_list[i].flag) = 0;
587 }
588 return 0;
589}
590
f5bbfba1
LC
591/***********************************************************/
592/* QEMU state */
593
0461d5a6 594static RunState current_run_state = RUN_STATE_PRELAUNCH;
f5bbfba1 595
7fb1cf16
EB
596/* We use RUN_STATE__MAX but any invalid value will do */
597static RunState vmstop_requested = RUN_STATE__MAX;
74892d24
PB
598static QemuMutex vmstop_lock;
599
5db9d4d1
LC
600typedef struct {
601 RunState from;
602 RunState to;
603} RunStateTransition;
604
605static const RunStateTransition runstate_transitions_def[] = {
606 /* from -> to */
0461d5a6 607 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
eca01d3a 608 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 609 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
5db9d4d1 610
ca3fc39e
JQ
611 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
29ed72f1 613 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
ca3fc39e
JQ
614 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
615 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
616 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
618 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
2a6e6e59 619 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
98799b0d
PB
620 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
621 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
21142ba7 622 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
5db9d4d1 623
0461d5a6 624 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
8a9236f1 625 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 626 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 627
0461d5a6 628 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
8a9236f1 629 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 630 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 631
0461d5a6 632 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
8a9236f1 633 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
505d786f 634 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
7ec13c79 635 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
21142ba7 636 { RUN_STATE_PAUSED, RUN_STATE_COLO},
5db9d4d1 637
0461d5a6 638 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
8a9236f1 639 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
7ec13c79 640 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
5db9d4d1 641
0461d5a6 642 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
8a9236f1 643 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
0461d5a6 644 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
5db9d4d1 645
0461d5a6 646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
505d786f 647 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
0461d5a6 648 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
7ec13c79 649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
21142ba7 650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
5db9d4d1 651
0461d5a6 652 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
7ec13c79 653 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
5db9d4d1 654
21142ba7
HZ
655 { RUN_STATE_COLO, RUN_STATE_RUNNING },
656
0461d5a6
LC
657 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
658 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
659 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
660 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
661 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
662 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
663 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
664 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
665 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
ede085b3 666 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
21142ba7 667 { RUN_STATE_RUNNING, RUN_STATE_COLO},
5db9d4d1 668
0461d5a6 669 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
5db9d4d1 670
0461d5a6 671 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
8a9236f1 672 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
7ec13c79 673 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
5db9d4d1 674
ad02b96a
LC
675 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
676 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
677 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
678 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 679 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
21142ba7 680 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
ad02b96a 681
0461d5a6 682 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
8a9236f1 683 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 684 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
21142ba7 685 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
5db9d4d1 686
df390768 687 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
fd2a2e1c 688 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 689 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
ede085b3 690
7fb1cf16 691 { RUN_STATE__MAX, RUN_STATE__MAX },
5db9d4d1
LC
692};
693
7fb1cf16 694static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
0461d5a6 695
f5bbfba1
LC
696bool runstate_check(RunState state)
697{
698 return current_run_state == state;
699}
700
5e0f1940
JQ
701bool runstate_store(char *str, size_t size)
702{
977c736f 703 const char *state = RunState_str(current_run_state);
5e0f1940
JQ
704 size_t len = strlen(state) + 1;
705
706 if (len > size) {
707 return false;
708 }
709 memcpy(str, state, len);
710 return true;
711}
712
4fdcac0e 713static void runstate_init(void)
5db9d4d1
LC
714{
715 const RunStateTransition *p;
716
717 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
7fb1cf16 718 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
5db9d4d1
LC
719 runstate_valid_transitions[p->from][p->to] = true;
720 }
74892d24
PB
721
722 qemu_mutex_init(&vmstop_lock);
5db9d4d1
LC
723}
724
725/* This function will abort() on invalid state transitions */
f5bbfba1
LC
726void runstate_set(RunState new_state)
727{
7fb1cf16 728 assert(new_state < RUN_STATE__MAX);
207c5cd2 729
e92a2d9c
LZ
730 if (current_run_state == new_state) {
731 return;
732 }
733
207c5cd2 734 if (!runstate_valid_transitions[current_run_state][new_state]) {
f61eddcb 735 error_report("invalid runstate transition: '%s' -> '%s'",
977c736f
MA
736 RunState_str(current_run_state),
737 RunState_str(new_state));
5db9d4d1
LC
738 abort();
739 }
7e866003 740 trace_runstate_set(new_state);
f5bbfba1
LC
741 current_run_state = new_state;
742}
743
1fa9a5e4 744int runstate_is_running(void)
9e37b9dc 745{
1fa9a5e4 746 return runstate_check(RUN_STATE_RUNNING);
9e37b9dc
LC
747}
748
ede085b3
HT
749bool runstate_needs_reset(void)
750{
751 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
df390768 752 runstate_check(RUN_STATE_SHUTDOWN);
ede085b3
HT
753}
754
1fa9a5e4 755StatusInfo *qmp_query_status(Error **errp)
1354869c 756{
1fa9a5e4
LC
757 StatusInfo *info = g_malloc0(sizeof(*info));
758
759 info->running = runstate_is_running();
760 info->singlestep = singlestep;
761 info->status = current_run_state;
762
763 return info;
1354869c
LC
764}
765
2d76e823 766bool qemu_vmstop_requested(RunState *r)
74892d24
PB
767{
768 qemu_mutex_lock(&vmstop_lock);
769 *r = vmstop_requested;
7fb1cf16 770 vmstop_requested = RUN_STATE__MAX;
74892d24 771 qemu_mutex_unlock(&vmstop_lock);
7fb1cf16 772 return *r < RUN_STATE__MAX;
74892d24
PB
773}
774
775void qemu_system_vmstop_request_prepare(void)
776{
777 qemu_mutex_lock(&vmstop_lock);
778}
779
780void qemu_system_vmstop_request(RunState state)
781{
782 vmstop_requested = state;
783 qemu_mutex_unlock(&vmstop_lock);
784 qemu_notify_event();
785}
786
8f0056b7
PB
787/***********************************************************/
788/* real time host monotonic timer */
09b26c5e 789
2ed1ebcf
PD
790static time_t qemu_time(void)
791{
792 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
793}
794
f6503059
AZ
795/***********************************************************/
796/* host time/date access */
797void qemu_get_timedate(struct tm *tm, int offset)
798{
2ed1ebcf 799 time_t ti = qemu_time();
f6503059 800
f6503059
AZ
801 ti += offset;
802 if (rtc_date_offset == -1) {
803 if (rtc_utc)
eb7ff6fb 804 gmtime_r(&ti, tm);
f6503059 805 else
eb7ff6fb 806 localtime_r(&ti, tm);
f6503059
AZ
807 } else {
808 ti -= rtc_date_offset;
eb7ff6fb 809 gmtime_r(&ti, tm);
f6503059 810 }
f6503059
AZ
811}
812
813int qemu_timedate_diff(struct tm *tm)
814{
815 time_t seconds;
816
817 if (rtc_date_offset == -1)
818 if (rtc_utc)
819 seconds = mktimegm(tm);
f54c556c
GN
820 else {
821 struct tm tmp = *tm;
822 tmp.tm_isdst = -1; /* use timezone to figure it out */
823 seconds = mktime(&tmp);
824 }
f6503059
AZ
825 else
826 seconds = mktimegm(tm) + rtc_date_offset;
827
2ed1ebcf 828 return seconds - qemu_time();
f6503059
AZ
829}
830
1ed2fc1f
JK
831static void configure_rtc_date_offset(const char *startdate, int legacy)
832{
833 time_t rtc_start_date;
834 struct tm tm;
835
836 if (!strcmp(startdate, "now") && legacy) {
837 rtc_date_offset = -1;
838 } else {
839 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
840 &tm.tm_year,
841 &tm.tm_mon,
842 &tm.tm_mday,
843 &tm.tm_hour,
844 &tm.tm_min,
845 &tm.tm_sec) == 6) {
846 /* OK */
847 } else if (sscanf(startdate, "%d-%d-%d",
848 &tm.tm_year,
849 &tm.tm_mon,
850 &tm.tm_mday) == 3) {
851 tm.tm_hour = 0;
852 tm.tm_min = 0;
853 tm.tm_sec = 0;
854 } else {
855 goto date_fail;
856 }
857 tm.tm_year -= 1900;
858 tm.tm_mon--;
859 rtc_start_date = mktimegm(&tm);
860 if (rtc_start_date == -1) {
861 date_fail:
f61eddcb
EH
862 error_report("invalid date format");
863 error_printf("valid formats: "
864 "'2006-06-17T16:01:21' or '2006-06-17'\n");
1ed2fc1f
JK
865 exit(1);
866 }
2ed1ebcf 867 rtc_date_offset = qemu_time() - rtc_start_date;
1ed2fc1f
JK
868 }
869}
870
871static void configure_rtc(QemuOpts *opts)
872{
873 const char *value;
874
875 value = qemu_opt_get(opts, "base");
876 if (value) {
877 if (!strcmp(value, "utc")) {
878 rtc_utc = 1;
879 } else if (!strcmp(value, "localtime")) {
0194749a 880 Error *blocker = NULL;
1ed2fc1f 881 rtc_utc = 0;
0194749a
PD
882 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
883 "-rtc base=localtime");
884 replay_add_blocker(blocker);
1ed2fc1f
JK
885 } else {
886 configure_rtc_date_offset(value, 0);
887 }
888 }
6875204c
JK
889 value = qemu_opt_get(opts, "clock");
890 if (value) {
891 if (!strcmp(value, "host")) {
884f17c2 892 rtc_clock = QEMU_CLOCK_HOST;
78808141 893 } else if (!strcmp(value, "rt")) {
884f17c2 894 rtc_clock = QEMU_CLOCK_REALTIME;
6875204c 895 } else if (!strcmp(value, "vm")) {
884f17c2 896 rtc_clock = QEMU_CLOCK_VIRTUAL;
6875204c 897 } else {
f61eddcb 898 error_report("invalid option value '%s'", value);
6875204c
JK
899 exit(1);
900 }
901 }
1ed2fc1f
JK
902 value = qemu_opt_get(opts, "driftfix");
903 if (value) {
7e4c0336 904 if (!strcmp(value, "slew")) {
16714b16
EH
905 static GlobalProperty slew_lost_ticks = {
906 .driver = "mc146818rtc",
907 .property = "lost_tick_policy",
908 .value = "slew",
433acf0d
JK
909 };
910
16714b16 911 qdev_prop_register_global(&slew_lost_ticks);
7e4c0336 912 } else if (!strcmp(value, "none")) {
433acf0d 913 /* discard is default */
1ed2fc1f 914 } else {
f61eddcb 915 error_report("invalid option value '%s'", value);
1ed2fc1f
JK
916 exit(1);
917 }
918 }
1ed2fc1f
JK
919}
920
1ae26a18
AZ
921/***********************************************************/
922/* Bluetooth support */
923static int nb_hcis;
924static int cur_hci;
925static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 926
1ae26a18
AZ
927struct HCIInfo *qemu_next_hci(void)
928{
929 if (cur_hci == nb_hcis)
930 return &null_hci;
931
932 return hci_table[cur_hci++];
933}
934
dc72ac14
AZ
935static int bt_hci_parse(const char *str)
936{
937 struct HCIInfo *hci;
c227f099 938 bdaddr_t bdaddr;
dc72ac14
AZ
939
940 if (nb_hcis >= MAX_NICS) {
3e515373 941 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
dc72ac14
AZ
942 return -1;
943 }
944
945 hci = hci_init(str);
946 if (!hci)
947 return -1;
948
949 bdaddr.b[0] = 0x52;
950 bdaddr.b[1] = 0x54;
951 bdaddr.b[2] = 0x00;
952 bdaddr.b[3] = 0x12;
953 bdaddr.b[4] = 0x34;
954 bdaddr.b[5] = 0x56 + nb_hcis;
955 hci->bdaddr_set(hci, bdaddr.b);
956
957 hci_table[nb_hcis++] = hci;
958
959 return 0;
960}
961
962static void bt_vhci_add(int vlan_id)
963{
964 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
965
966 if (!vlan->slave)
3dc6f869
AF
967 warn_report("adding a VHCI to an empty scatternet %i",
968 vlan_id);
dc72ac14
AZ
969
970 bt_vhci_init(bt_new_hci(vlan));
971}
972
973static struct bt_device_s *bt_device_add(const char *opt)
974{
975 struct bt_scatternet_s *vlan;
976 int vlan_id = 0;
977 char *endp = strstr(opt, ",vlan=");
978 int len = (endp ? endp - opt : strlen(opt)) + 1;
979 char devname[10];
980
981 pstrcpy(devname, MIN(sizeof(devname), len), opt);
982
983 if (endp) {
984 vlan_id = strtol(endp + 6, &endp, 0);
985 if (*endp) {
f61eddcb 986 error_report("unrecognised bluetooth vlan Id");
dc72ac14
AZ
987 return 0;
988 }
989 }
990
991 vlan = qemu_find_bt_vlan(vlan_id);
992
993 if (!vlan->slave)
3dc6f869
AF
994 warn_report("adding a slave device to an empty scatternet %i",
995 vlan_id);
dc72ac14
AZ
996
997 if (!strcmp(devname, "keyboard"))
998 return bt_keyboard_init(vlan);
999
4cd70f34 1000 error_report("unsupported bluetooth device '%s'", devname);
dc72ac14
AZ
1001 return 0;
1002}
1003
1004static int bt_parse(const char *opt)
1005{
1006 const char *endp, *p;
1007 int vlan;
1008
1009 if (strstart(opt, "hci", &endp)) {
1010 if (!*endp || *endp == ',') {
1011 if (*endp)
1012 if (!strstart(endp, ",vlan=", 0))
1013 opt = endp + 1;
1014
1015 return bt_hci_parse(opt);
1016 }
1017 } else if (strstart(opt, "vhci", &endp)) {
1018 if (!*endp || *endp == ',') {
1019 if (*endp) {
1020 if (strstart(endp, ",vlan=", &p)) {
1021 vlan = strtol(p, (char **) &endp, 0);
1022 if (*endp) {
f61eddcb 1023 error_report("bad scatternet '%s'", p);
dc72ac14
AZ
1024 return 1;
1025 }
1026 } else {
f61eddcb 1027 error_report("bad parameter '%s'", endp + 1);
dc72ac14
AZ
1028 return 1;
1029 }
1030 } else
1031 vlan = 0;
1032
1033 bt_vhci_add(vlan);
1034 return 0;
1035 }
1036 } else if (strstart(opt, "device:", &endp))
1037 return !bt_device_add(endp);
1038
f61eddcb 1039 error_report("bad bluetooth parameter '%s'", opt);
dc72ac14
AZ
1040 return 1;
1041}
1042
28d0de7a 1043static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
7d76ad4f 1044{
7d76ad4f
EO
1045 if (qemu_opt_get_bool(opts, "enable", false)) {
1046#ifdef CONFIG_SECCOMP
2b716fa6
EO
1047 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1048 | QEMU_SECCOMP_SET_OBSOLETE;
1049 const char *value = NULL;
1050
1051 value = qemu_opt_get(opts, "obsolete");
1052 if (value) {
1053 if (g_str_equal(value, "allow")) {
1054 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1055 } else if (g_str_equal(value, "deny")) {
1056 /* this is the default option, this if is here
1057 * to provide a little bit of consistency for
1058 * the command line */
1059 } else {
1060 error_report("invalid argument for obsolete");
1061 return -1;
1062 }
1063 }
1064
73a1e647
EO
1065 value = qemu_opt_get(opts, "elevateprivileges");
1066 if (value) {
1067 if (g_str_equal(value, "deny")) {
1068 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1069 } else if (g_str_equal(value, "children")) {
1070 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1071
1072 /* calling prctl directly because we're
1073 * not sure if host has CAP_SYS_ADMIN set*/
1074 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1075 error_report("failed to set no_new_privs "
1076 "aborting");
1077 return -1;
1078 }
1079 } else if (g_str_equal(value, "allow")) {
1080 /* default value */
1081 } else {
1082 error_report("invalid argument for elevateprivileges");
1083 return -1;
1084 }
1085 }
1086
995a226f
EO
1087 value = qemu_opt_get(opts, "spawn");
1088 if (value) {
1089 if (g_str_equal(value, "deny")) {
1090 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1091 } else if (g_str_equal(value, "allow")) {
1092 /* default value */
1093 } else {
1094 error_report("invalid argument for spawn");
1095 return -1;
1096 }
1097 }
1098
24f8cdc5
EO
1099 value = qemu_opt_get(opts, "resourcecontrol");
1100 if (value) {
1101 if (g_str_equal(value, "deny")) {
1102 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1103 } else if (g_str_equal(value, "allow")) {
1104 /* default value */
1105 } else {
1106 error_report("invalid argument for resourcecontrol");
1107 return -1;
1108 }
1109 }
1110
2b716fa6 1111 if (seccomp_start(seccomp_opts) < 0) {
1459407e
MA
1112 error_report("failed to install seccomp syscall filter "
1113 "in the kernel");
7d76ad4f
EO
1114 return -1;
1115 }
1116#else
5dfdae81 1117 error_report("seccomp support is disabled");
7d76ad4f
EO
1118 return -1;
1119#endif
1120 }
1121
1122 return 0;
1123}
1124
28d0de7a 1125static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
5d12f961
DDAG
1126{
1127 const char *proc_name;
1128
8f480de0
DDAG
1129 if (qemu_opt_get(opts, "debug-threads")) {
1130 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1131 }
5d12f961
DDAG
1132 qemu_name = qemu_opt_get(opts, "guest");
1133
1134 proc_name = qemu_opt_get(opts, "process");
1135 if (proc_name) {
1136 os_set_proc_name(proc_name);
1137 }
5b9d313e
DDAG
1138
1139 return 0;
5d12f961
DDAG
1140}
1141
f8b6f8ed
MA
1142bool defaults_enabled(void)
1143{
1144 return has_defaults;
1145}
1146
587ed6be 1147#ifndef _WIN32
28d0de7a 1148static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB
1149{
1150 int fd, dupfd, flags;
1151 int64_t fdset_id;
1152 const char *fd_opaque = NULL;
636a30a8 1153 AddfdInfo *fdinfo;
587ed6be
CB
1154
1155 fd = qemu_opt_get_number(opts, "fd", -1);
1156 fdset_id = qemu_opt_get_number(opts, "set", -1);
1157 fd_opaque = qemu_opt_get(opts, "opaque");
1158
1159 if (fd < 0) {
1459407e 1160 error_report("fd option is required and must be non-negative");
587ed6be
CB
1161 return -1;
1162 }
1163
1164 if (fd <= STDERR_FILENO) {
1459407e 1165 error_report("fd cannot be a standard I/O stream");
587ed6be
CB
1166 return -1;
1167 }
1168
1169 /*
1170 * All fds inherited across exec() necessarily have FD_CLOEXEC
1171 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1172 */
1173 flags = fcntl(fd, F_GETFD);
1174 if (flags == -1 || (flags & FD_CLOEXEC)) {
1459407e 1175 error_report("fd is not valid or already in use");
587ed6be
CB
1176 return -1;
1177 }
1178
1179 if (fdset_id < 0) {
1459407e 1180 error_report("set option is required and must be non-negative");
587ed6be
CB
1181 return -1;
1182 }
1183
1184#ifdef F_DUPFD_CLOEXEC
1185 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1186#else
1187 dupfd = dup(fd);
1188 if (dupfd != -1) {
1189 qemu_set_cloexec(dupfd);
1190 }
1191#endif
1192 if (dupfd == -1) {
3e515373 1193 error_report("error duplicating fd: %s", strerror(errno));
587ed6be
CB
1194 return -1;
1195 }
1196
1197 /* add the duplicate fd, and optionally the opaque string, to the fd set */
636a30a8
PB
1198 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1199 &error_abort);
1200 g_free(fdinfo);
587ed6be
CB
1201
1202 return 0;
1203}
1204
28d0de7a 1205static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB
1206{
1207 int fd;
1208
1209 fd = qemu_opt_get_number(opts, "fd", -1);
1210 close(fd);
1211
1212 return 0;
1213}
1214#endif
1215
1ae26a18
AZ
1216/***********************************************************/
1217/* QEMU Block devices */
1218
2292ddae
MA
1219#define HD_OPTS "media=disk"
1220#define CDROM_OPTS "media=cdrom"
1221#define FD_OPTS ""
1222#define PFLASH_OPTS ""
1223#define MTD_OPTS ""
1224#define SD_OPTS ""
e4bcb14c 1225
28d0de7a 1226static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1227{
2d0d2837 1228 BlockInterfaceType *block_default_type = opaque;
9dfd7c7a 1229
60e19e06 1230 return drive_new(opts, *block_default_type) == NULL;
9dfd7c7a
GH
1231}
1232
28d0de7a 1233static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1234{
28de2f88 1235 if (qemu_opt_get(opts, "snapshot") == NULL) {
f43e47db 1236 qemu_opt_set(opts, "snapshot", "on", &error_abort);
9dfd7c7a
GH
1237 }
1238 return 0;
1239}
1240
3c42ea66
CB
1241static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1242 int index, const char *optstr)
4e5d9b57
MA
1243{
1244 QemuOpts *opts;
a66c9dc7 1245 DriveInfo *dinfo;
4e5d9b57 1246
4e5d9b57
MA
1247 if (!enable || drive_get_by_index(type, index)) {
1248 return;
1249 }
1250
1251 opts = drive_add(type, index, NULL, optstr);
1252 if (snapshot) {
28d0de7a 1253 drive_enable_snapshot(NULL, opts, NULL);
4e5d9b57 1254 }
a66c9dc7
JS
1255
1256 dinfo = drive_new(opts, type);
1257 if (!dinfo) {
4e5d9b57
MA
1258 exit(1);
1259 }
a66c9dc7
JS
1260 dinfo->is_default = true;
1261
4e5d9b57
MA
1262}
1263
12b7f57e
MT
1264static QemuOptsList qemu_smp_opts = {
1265 .name = "smp-opts",
1266 .implied_opt_name = "cpus",
1267 .merge_lists = true,
1268 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1269 .desc = {
1270 {
1271 .name = "cpus",
1272 .type = QEMU_OPT_NUMBER,
1273 }, {
1274 .name = "sockets",
1275 .type = QEMU_OPT_NUMBER,
1276 }, {
1277 .name = "cores",
1278 .type = QEMU_OPT_NUMBER,
1279 }, {
1280 .name = "threads",
1281 .type = QEMU_OPT_NUMBER,
1282 }, {
1283 .name = "maxcpus",
1284 .type = QEMU_OPT_NUMBER,
1285 },
1286 { /*End of list */ }
1287 },
1288};
1289
1290static void smp_parse(QemuOpts *opts)
dc6b1c09 1291{
12b7f57e 1292 if (opts) {
12b7f57e
MT
1293 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1294 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1295 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1296 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1297
1298 /* compute missing values, prefer sockets over cores over threads */
1299 if (cpus == 0 || sockets == 0) {
1300 sockets = sockets > 0 ? sockets : 1;
1301 cores = cores > 0 ? cores : 1;
dc6b1c09 1302 threads = threads > 0 ? threads : 1;
12b7f57e
MT
1303 if (cpus == 0) {
1304 cpus = cores * threads * sockets;
1305 }
719cac1c
EH
1306 } else if (cores == 0) {
1307 threads = threads > 0 ? threads : 1;
1308 cores = cpus / (sockets * threads);
66f37d36 1309 cores = cores > 0 ? cores : 1;
ec2cbbdd 1310 } else if (threads == 0) {
719cac1c 1311 threads = cpus / (cores * sockets);
66f37d36 1312 threads = threads > 0 ? threads : 1;
ec2cbbdd 1313 } else if (sockets * cores * threads < cpus) {
f61eddcb
EH
1314 error_report("cpu topology: "
1315 "sockets (%u) * cores (%u) * threads (%u) < "
1316 "smp_cpus (%u)",
1317 sockets, cores, threads, cpus);
ec2cbbdd 1318 exit(1);
dc6b1c09 1319 }
12b7f57e 1320
a32ef3bf 1321 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
0544edd8 1322
0544edd8
AJ
1323 if (max_cpus < cpus) {
1324 error_report("maxcpus must be equal to or greater than smp");
1325 exit(1);
1326 }
1327
a32ef3bf 1328 if (sockets * cores * threads > max_cpus) {
f61eddcb
EH
1329 error_report("cpu topology: "
1330 "sockets (%u) * cores (%u) * threads (%u) > "
1331 "maxcpus (%u)",
1332 sockets, cores, threads, max_cpus);
a32ef3bf
TH
1333 exit(1);
1334 }
12b7f57e
MT
1335
1336 smp_cpus = cpus;
0544edd8
AJ
1337 smp_cores = cores;
1338 smp_threads = threads;
12b7f57e
MT
1339 }
1340
0544edd8 1341 if (smp_cpus > 1) {
0194749a
PD
1342 Error *blocker = NULL;
1343 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1344 replay_add_blocker(blocker);
1345 }
dc6b1c09
AP
1346}
1347
28d16f38 1348static void realtime_init(void)
888a6bc6 1349{
888a6bc6
SM
1350 if (enable_mlock) {
1351 if (os_mlock() < 0) {
f61eddcb 1352 error_report("locking memory failed");
888a6bc6
SM
1353 exit(1);
1354 }
1355 }
1356}
1357
5e2ac519
SA
1358
1359static void configure_msg(QemuOpts *opts)
1360{
1361 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1362}
1363
cfe67cef
LA
1364/***********************************************************/
1365/* Semihosting */
1366
1367typedef struct SemihostingConfig {
1368 bool enabled;
1369 SemihostingTarget target;
a59d31a1
LA
1370 const char **argv;
1371 int argc;
1372 const char *cmdline; /* concatenated argv */
cfe67cef
LA
1373} SemihostingConfig;
1374
1375static SemihostingConfig semihosting;
1376
1377bool semihosting_enabled(void)
1378{
1379 return semihosting.enabled;
1380}
1381
1382SemihostingTarget semihosting_get_target(void)
1383{
1384 return semihosting.target;
1385}
1386
a59d31a1
LA
1387const char *semihosting_get_arg(int i)
1388{
1389 if (i >= semihosting.argc) {
1390 return NULL;
1391 }
1392 return semihosting.argv[i];
1393}
1394
1395int semihosting_get_argc(void)
1396{
1397 return semihosting.argc;
1398}
1399
1400const char *semihosting_get_cmdline(void)
1401{
1402 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1403 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1404 }
1405 return semihosting.cmdline;
1406}
1407
1408static int add_semihosting_arg(void *opaque,
1409 const char *name, const char *val,
1410 Error **errp)
1411{
1412 SemihostingConfig *s = opaque;
1413 if (strcmp(name, "arg") == 0) {
1414 s->argc++;
1415 /* one extra element as g_strjoinv() expects NULL-terminated array */
1416 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1417 s->argv[s->argc - 1] = val;
1418 s->argv[s->argc] = NULL;
1419 }
1420 return 0;
1421}
1422
1423/* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1424static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1425{
1426 char *cmd_token;
1427
1428 /* argv[0] */
1429 add_semihosting_arg(&semihosting, "arg", file, NULL);
1430
1431 /* split -append and initialize argv[1..n] */
1432 cmd_token = strtok(g_strdup(cmd), " ");
1433 while (cmd_token) {
1434 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1435 cmd_token = strtok(NULL, " ");
1436 }
1437}
1438
79814179
TC
1439/* Now we still need this for compatibility with XEN. */
1440bool has_igd_gfx_passthru;
1441static void igd_gfx_passthru(void)
1442{
1443 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1444}
1445
a594cfbf
FB
1446/***********************************************************/
1447/* USB devices */
1448
fb08000c 1449static int usb_device_add(const char *devname)
a594cfbf 1450{
a5d2f727 1451 USBDevice *dev = NULL;
a594cfbf 1452
4bcbe0b6 1453 if (!machine_usb(current_machine)) {
a594cfbf 1454 return -1;
094b287f 1455 }
a594cfbf 1456
0958b4cc 1457 dev = usbdevice_create(devname);
0d92ed30
PB
1458 if (!dev)
1459 return -1;
1460
a594cfbf
FB
1461 return 0;
1462}
1463
bd3c948d
GH
1464static int usb_parse(const char *cmdline)
1465{
59d1c1c2 1466 int r;
fb08000c 1467 r = usb_device_add(cmdline);
59d1c1c2 1468 if (r < 0) {
f61eddcb 1469 error_report("could not add USB device '%s'", cmdline);
59d1c1c2
ST
1470 }
1471 return r;
bd3c948d
GH
1472}
1473
cc1daa40
FB
1474/***********************************************************/
1475/* machine registration */
1476
0056ae24 1477MachineState *current_machine;
cc1daa40 1478
0056ae24 1479static MachineClass *find_machine(const char *name)
cc1daa40 1480{
261747f1 1481 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
0056ae24 1482 MachineClass *mc = NULL;
cc1daa40 1483
261747f1 1484 for (el = machines; el; el = el->next) {
0056ae24 1485 MachineClass *temp = el->data;
261747f1 1486
958db90c 1487 if (!strcmp(temp->name, name)) {
0056ae24 1488 mc = temp;
261747f1
MA
1489 break;
1490 }
958db90c
MA
1491 if (temp->alias &&
1492 !strcmp(temp->alias, name)) {
0056ae24 1493 mc = temp;
261747f1
MA
1494 break;
1495 }
cc1daa40 1496 }
261747f1
MA
1497
1498 g_slist_free(machines);
0056ae24 1499 return mc;
cc1daa40
FB
1500}
1501
0056ae24 1502MachineClass *find_default_machine(void)
0c257437 1503{
261747f1 1504 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
0056ae24 1505 MachineClass *mc = NULL;
0c257437 1506
261747f1 1507 for (el = machines; el; el = el->next) {
0056ae24 1508 MachineClass *temp = el->data;
261747f1 1509
958db90c 1510 if (temp->is_default) {
0056ae24 1511 mc = temp;
261747f1 1512 break;
0c257437
AL
1513 }
1514 }
261747f1
MA
1515
1516 g_slist_free(machines);
0056ae24 1517 return mc;
0c257437
AL
1518}
1519
01d3c80d
AL
1520MachineInfoList *qmp_query_machines(Error **errp)
1521{
261747f1 1522 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
01d3c80d 1523 MachineInfoList *mach_list = NULL;
01d3c80d 1524
261747f1
MA
1525 for (el = machines; el; el = el->next) {
1526 MachineClass *mc = el->data;
01d3c80d
AL
1527 MachineInfoList *entry;
1528 MachineInfo *info;
1529
1530 info = g_malloc0(sizeof(*info));
958db90c 1531 if (mc->is_default) {
01d3c80d
AL
1532 info->has_is_default = true;
1533 info->is_default = true;
1534 }
1535
958db90c 1536 if (mc->alias) {
01d3c80d 1537 info->has_alias = true;
958db90c 1538 info->alias = g_strdup(mc->alias);
01d3c80d
AL
1539 }
1540
958db90c
MA
1541 info->name = g_strdup(mc->name);
1542 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
c5514d0e 1543 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
01d3c80d
AL
1544
1545 entry = g_malloc0(sizeof(*entry));
1546 entry->value = info;
1547 entry->next = mach_list;
1548 mach_list = entry;
1549 }
1550
261747f1 1551 g_slist_free(machines);
01d3c80d
AL
1552 return mach_list;
1553}
1554
52eb3dfd
MA
1555static int machine_help_func(QemuOpts *opts, MachineState *machine)
1556{
1557 ObjectProperty *prop;
7746abd8 1558 ObjectPropertyIterator iter;
52eb3dfd
MA
1559
1560 if (!qemu_opt_has_help_opt(opts)) {
1561 return 0;
1562 }
1563
7746abd8
DB
1564 object_property_iter_init(&iter, OBJECT(machine));
1565 while ((prop = object_property_iter_next(&iter))) {
52eb3dfd
MA
1566 if (!prop->set) {
1567 continue;
1568 }
1569
1570 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1571 prop->name, prop->type);
1572 if (prop->description) {
1573 error_printf(" (%s)\n", prop->description);
1574 } else {
1575 error_printf("\n");
1576 }
1577 }
1578
1579 return 1;
1580}
1581
8a7ddc38
FB
1582/***********************************************************/
1583/* main execution loop */
1584
0bd48850
FB
1585struct vm_change_state_entry {
1586 VMChangeStateHandler *cb;
1587 void *opaque;
72cf2d4f 1588 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB
1589};
1590
72cf2d4f 1591static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB
1592
1593VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1594 void *opaque)
1595{
1596 VMChangeStateEntry *e;
1597
7267c094 1598 e = g_malloc0(sizeof (*e));
0bd48850
FB
1599
1600 e->cb = cb;
1601 e->opaque = opaque;
72cf2d4f 1602 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB
1603 return e;
1604}
1605
1606void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1607{
72cf2d4f 1608 QLIST_REMOVE (e, entries);
7267c094 1609 g_free (e);
0bd48850
FB
1610}
1611
1dfb4dd9 1612void vm_state_notify(int running, RunState state)
0bd48850 1613{
9b10ac86 1614 VMChangeStateEntry *e, *next;
0bd48850 1615
1dfb4dd9 1616 trace_vm_state_notify(running, state);
94b0b5ff 1617
9b10ac86 1618 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1dfb4dd9 1619 e->cb(e->opaque, running, state);
0bd48850
FB
1620 }
1621}
1622
aedbe192
EB
1623static ShutdownCause reset_requested;
1624static ShutdownCause shutdown_requested;
1625static int shutdown_signal;
f64622c4 1626static pid_t shutdown_pid;
3475187d 1627static int powerdown_requested;
8cf71710 1628static int debug_requested;
95b363b5 1629static int suspend_requested;
4bc78a87 1630static WakeupReason wakeup_reason;
a9552c8e
IM
1631static NotifierList powerdown_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
95b363b5
GH
1633static NotifierList suspend_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1635static NotifierList wakeup_notifiers =
1636 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
4bc78a87 1637static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
bb0c6722 1638
aedbe192 1639ShutdownCause qemu_shutdown_requested_get(void)
1291eb35
AP
1640{
1641 return shutdown_requested;
1642}
1643
aedbe192 1644ShutdownCause qemu_reset_requested_get(void)
1291eb35
AP
1645{
1646 return reset_requested;
1647}
1648
4fdcac0e 1649static int qemu_shutdown_requested(void)
cf7a2fe2 1650{
aedbe192 1651 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
cf7a2fe2
AJ
1652}
1653
4fdcac0e 1654static void qemu_kill_report(void)
f64622c4 1655{
7af88279 1656 if (!qtest_driver() && shutdown_signal) {
f1d3fb04
PM
1657 if (shutdown_pid == 0) {
1658 /* This happens for eg ^C at the terminal, so it's worth
1659 * avoiding printing an odd message in that case.
1660 */
f61eddcb 1661 error_report("terminating on signal %d", shutdown_signal);
f1d3fb04 1662 } else {
fbe7e332
MP
1663 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1664
1665 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1666 shutdown_signal, shutdown_pid,
1667 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1668 g_free(shutdown_cmd);
f1d3fb04 1669 }
7af88279 1670 shutdown_signal = 0;
f64622c4
GN
1671 }
1672}
1673
aedbe192 1674static ShutdownCause qemu_reset_requested(void)
cf7a2fe2 1675{
aedbe192
EB
1676 ShutdownCause r = reset_requested;
1677
8bd7f71d 1678 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
aedbe192 1679 reset_requested = SHUTDOWN_CAUSE_NONE;
8bd7f71d
PD
1680 return r;
1681 }
aedbe192 1682 return SHUTDOWN_CAUSE_NONE;
cf7a2fe2
AJ
1683}
1684
95b363b5
GH
1685static int qemu_suspend_requested(void)
1686{
1687 int r = suspend_requested;
8bd7f71d
PD
1688 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1689 suspend_requested = 0;
1690 return r;
1691 }
1692 return false;
95b363b5
GH
1693}
1694
4bc78a87 1695static WakeupReason qemu_wakeup_requested(void)
14058196 1696{
4bc78a87 1697 return wakeup_reason;
14058196
LC
1698}
1699
4fdcac0e 1700static int qemu_powerdown_requested(void)
cf7a2fe2
AJ
1701{
1702 int r = powerdown_requested;
1703 powerdown_requested = 0;
1704 return r;
1705}
1706
e568902a
AL
1707static int qemu_debug_requested(void)
1708{
1709 int r = debug_requested;
1710 debug_requested = 0;
1711 return r;
1712}
1713
aedbe192
EB
1714/*
1715 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1716 */
1717void qemu_system_reset(ShutdownCause reason)
be522029 1718{
0056ae24
MA
1719 MachineClass *mc;
1720
1721 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1722
efdaf797
DG
1723 cpu_synchronize_all_states();
1724
958db90c
MA
1725 if (mc && mc->reset) {
1726 mc->reset();
be522029
DG
1727 } else {
1728 qemu_devices_reset();
1729 }
aedbe192 1730 if (reason) {
08fba7ac
EB
1731 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1732 &error_abort);
e063eb1f 1733 }
ea375f9a 1734 cpu_synchronize_all_post_reset();
bb0c6722
FB
1735}
1736
c86f106b 1737void qemu_system_guest_panicked(GuestPanicInformation *info)
5f5b5942 1738{
4ada99ad 1739 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
f47291b7 1740
bac05aa9
AS
1741 if (current_cpu) {
1742 current_cpu->crash_occurred = true;
1743 }
c86f106b
AN
1744 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1745 !!info, info, &error_abort);
5f5b5942 1746 vm_stop(RUN_STATE_GUEST_PANICKED);
864111f4
CB
1747 if (!no_shutdown) {
1748 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
c86f106b 1749 !!info, info, &error_abort);
cf83f140 1750 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
864111f4 1751 }
c86f106b
AN
1752
1753 if (info) {
e8ed97a6 1754 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
4ada99ad 1755 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
f47291b7 1756 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
e8ed97a6
AN
1757 info->u.hyper_v.arg1,
1758 info->u.hyper_v.arg2,
1759 info->u.hyper_v.arg3,
1760 info->u.hyper_v.arg4,
1761 info->u.hyper_v.arg5);
4ada99ad
CB
1762 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1763 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1764 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1765 info->u.s390.core,
1766 S390CrashReason_str(info->u.s390.reason),
1767 info->u.s390.psw_mask,
1768 info->u.s390.psw_addr);
f47291b7 1769 }
c86f106b
AN
1770 qapi_free_GuestPanicInformation(info);
1771 }
5f5b5942
AS
1772}
1773
cf83f140 1774void qemu_system_reset_request(ShutdownCause reason)
bb0c6722 1775{
d1beab82 1776 if (no_reboot) {
cf83f140 1777 shutdown_requested = reason;
d1beab82 1778 } else {
cf83f140 1779 reset_requested = reason;
d1beab82 1780 }
b4a3d965 1781 cpu_stop_current();
d9f75a4e 1782 qemu_notify_event();
bb0c6722
FB
1783}
1784
95b363b5
GH
1785static void qemu_system_suspend(void)
1786{
1787 pause_all_vcpus();
1788 notifier_list_notify(&suspend_notifiers, NULL);
ad02b96a 1789 runstate_set(RUN_STATE_SUSPENDED);
1d11a95a 1790 qapi_event_send_suspend(&error_abort);
95b363b5
GH
1791}
1792
1793void qemu_system_suspend_request(void)
1794{
9abc62f6 1795 if (runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH
1796 return;
1797 }
1798 suspend_requested = 1;
1799 cpu_stop_current();
1800 qemu_notify_event();
1801}
1802
1803void qemu_register_suspend_notifier(Notifier *notifier)
1804{
1805 notifier_list_add(&suspend_notifiers, notifier);
1806}
1807
1808void qemu_system_wakeup_request(WakeupReason reason)
1809{
4fed9421
AK
1810 trace_system_wakeup_request(reason);
1811
9abc62f6 1812 if (!runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH
1813 return;
1814 }
1815 if (!(wakeup_reason_mask & (1 << reason))) {
1816 return;
1817 }
ad02b96a 1818 runstate_set(RUN_STATE_RUNNING);
4bc78a87 1819 wakeup_reason = reason;
95b363b5 1820 qemu_notify_event();
95b363b5
GH
1821}
1822
1823void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1824{
1825 if (enabled) {
1826 wakeup_reason_mask |= (1 << reason);
1827 } else {
1828 wakeup_reason_mask &= ~(1 << reason);
1829 }
1830}
1831
1832void qemu_register_wakeup_notifier(Notifier *notifier)
1833{
1834 notifier_list_add(&wakeup_notifiers, notifier);
1835}
1836
f64622c4
GN
1837void qemu_system_killed(int signal, pid_t pid)
1838{
1839 shutdown_signal = signal;
1840 shutdown_pid = pid;
d9389b96 1841 no_shutdown = 0;
8bd7f71d
PD
1842
1843 /* Cannot call qemu_system_shutdown_request directly because
1844 * we are in a signal handler.
1845 */
aedbe192 1846 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
8bd7f71d 1847 qemu_notify_event();
f64622c4
GN
1848}
1849
cf83f140 1850void qemu_system_shutdown_request(ShutdownCause reason)
bb0c6722 1851{
cf83f140
EB
1852 trace_qemu_system_shutdown_request(reason);
1853 replay_shutdown_request(reason);
1854 shutdown_requested = reason;
d9f75a4e 1855 qemu_notify_event();
bb0c6722
FB
1856}
1857
013c2f15
IM
1858static void qemu_system_powerdown(void)
1859{
0aab9ec3 1860 qapi_event_send_powerdown(&error_abort);
013c2f15
IM
1861 notifier_list_notify(&powerdown_notifiers, NULL);
1862}
1863
3475187d
FB
1864void qemu_system_powerdown_request(void)
1865{
bc78cff9 1866 trace_qemu_system_powerdown_request();
3475187d 1867 powerdown_requested = 1;
d9f75a4e
AL
1868 qemu_notify_event();
1869}
1870
a9552c8e
IM
1871void qemu_register_powerdown_notifier(Notifier *notifier)
1872{
1873 notifier_list_add(&powerdown_notifiers, notifier);
1874}
1875
8cf71710
JK
1876void qemu_system_debug_request(void)
1877{
1878 debug_requested = 1;
83f338f7 1879 qemu_notify_event();
8cf71710
JK
1880}
1881
99435906
PB
1882static bool main_loop_should_exit(void)
1883{
1884 RunState r;
aedbe192
EB
1885 ShutdownCause request;
1886
99435906
PB
1887 if (qemu_debug_requested()) {
1888 vm_stop(RUN_STATE_DEBUG);
1889 }
95b363b5
GH
1890 if (qemu_suspend_requested()) {
1891 qemu_system_suspend();
1892 }
aedbe192
EB
1893 request = qemu_shutdown_requested();
1894 if (request) {
99435906 1895 qemu_kill_report();
08fba7ac
EB
1896 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1897 &error_abort);
99435906
PB
1898 if (no_shutdown) {
1899 vm_stop(RUN_STATE_SHUTDOWN);
1900 } else {
1901 return true;
1902 }
1903 }
aedbe192
EB
1904 request = qemu_reset_requested();
1905 if (request) {
99435906 1906 pause_all_vcpus();
aedbe192 1907 qemu_system_reset(request);
99435906 1908 resume_all_vcpus();
7ec13c79
DL
1909 if (!runstate_check(RUN_STATE_RUNNING) &&
1910 !runstate_check(RUN_STATE_INMIGRATE)) {
1911 runstate_set(RUN_STATE_PRELAUNCH);
99435906
PB
1912 }
1913 }
14058196
LC
1914 if (qemu_wakeup_requested()) {
1915 pause_all_vcpus();
aedbe192 1916 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4bc78a87
LJ
1917 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1918 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
14058196 1919 resume_all_vcpus();
7a906f7f 1920 qapi_event_send_wakeup(&error_abort);
14058196 1921 }
99435906 1922 if (qemu_powerdown_requested()) {
013c2f15 1923 qemu_system_powerdown();
99435906
PB
1924 }
1925 if (qemu_vmstop_requested(&r)) {
1926 vm_stop(r);
1927 }
1928 return false;
1929}
1930
43b96858
AL
1931static void main_loop(void)
1932{
8e1b90ec
JK
1933#ifdef CONFIG_PROFILER
1934 int64_t ti;
1935#endif
99435906 1936 do {
89bfc105 1937#ifdef CONFIG_PROFILER
46481d39 1938 ti = profile_getclock();
89bfc105 1939#endif
e330c118 1940 main_loop_wait(false);
89bfc105 1941#ifdef CONFIG_PROFILER
46481d39 1942 dev_time += profile_getclock() - ti;
89bfc105 1943#endif
99435906 1944 } while (!main_loop_should_exit());
b4608c04
FB
1945}
1946
9bd7e6d9
PB
1947static void version(void)
1948{
0781dd6e 1949 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
d915b7bb 1950 QEMU_COPYRIGHT "\n");
9bd7e6d9
PB
1951}
1952
15f82208 1953static void help(int exitcode)
0824d6fc 1954{
a3adb7ad
ME
1955 version();
1956 printf("usage: %s [options] [disk_image]\n\n"
1957 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1958 error_get_progname());
1959
77bd1119
ME
1960#define QEMU_OPTIONS_GENERATE_HELP
1961#include "qemu-options-wrapper.h"
a3adb7ad
ME
1962
1963 printf("\nDuring emulation, the following keys are useful:\n"
3f020d70 1964 "ctrl-alt-f toggle full screen\n"
1965 "ctrl-alt-n switch to virtual console 'n'\n"
1966 "ctrl-alt toggle mouse and keyboard grab\n"
1967 "\n"
f5048cb7
EB
1968 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1969 "\n"
1970 QEMU_HELP_BOTTOM "\n");
a3adb7ad 1971
15f82208 1972 exit(exitcode);
0824d6fc
FB
1973}
1974
cd6f1169
FB
1975#define HAS_ARG 0x0001
1976
cd6f1169
FB
1977typedef struct QEMUOption {
1978 const char *name;
1979 int flags;
1980 int index;
ad96090a 1981 uint32_t arch_mask;
cd6f1169
FB
1982} QEMUOption;
1983
dbed7e40 1984static const QEMUOption qemu_options[] = {
ad96090a 1985 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
77bd1119
ME
1986#define QEMU_OPTIONS_GENERATE_OPTIONS
1987#include "qemu-options-wrapper.h"
cd6f1169 1988 { NULL },
fc01f7e7 1989};
a369da5f 1990
8c9a2b71
EH
1991typedef struct VGAInterfaceInfo {
1992 const char *opt_name; /* option name */
1993 const char *name; /* human-readable name */
c2c7b22d
EH
1994 /* Class names indicating that support is available.
1995 * If no class is specified, the interface is always available */
1996 const char *class_names[2];
8c9a2b71
EH
1997} VGAInterfaceInfo;
1998
1999static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2000 [VGA_NONE] = {
2001 .opt_name = "none",
2002 },
2003 [VGA_STD] = {
2004 .opt_name = "std",
2005 .name = "standard VGA",
c2c7b22d 2006 .class_names = { "VGA", "isa-vga" },
8c9a2b71
EH
2007 },
2008 [VGA_CIRRUS] = {
2009 .opt_name = "cirrus",
2010 .name = "Cirrus VGA",
c2c7b22d 2011 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
8c9a2b71
EH
2012 },
2013 [VGA_VMWARE] = {
2014 .opt_name = "vmware",
2015 .name = "VMWare SVGA",
c2c7b22d 2016 .class_names = { "vmware-svga" },
8c9a2b71
EH
2017 },
2018 [VGA_VIRTIO] = {
2019 .opt_name = "virtio",
2020 .name = "Virtio VGA",
c2c7b22d 2021 .class_names = { "virtio-vga" },
8c9a2b71
EH
2022 },
2023 [VGA_QXL] = {
2024 .opt_name = "qxl",
2025 .name = "QXL VGA",
c2c7b22d 2026 .class_names = { "qxl-vga" },
8c9a2b71
EH
2027 },
2028 [VGA_TCX] = {
2029 .opt_name = "tcx",
2030 .name = "TCX framebuffer",
c2c7b22d 2031 .class_names = { "SUNW,tcx" },
8c9a2b71
EH
2032 },
2033 [VGA_CG3] = {
2034 .opt_name = "cg3",
2035 .name = "CG3 framebuffer",
c2c7b22d 2036 .class_names = { "cgthree" },
8c9a2b71
EH
2037 },
2038 [VGA_XENFB] = {
2039 .opt_name = "xenfb",
2040 },
2041};
2042
c2c7b22d
EH
2043static bool vga_interface_available(VGAInterfaceType t)
2044{
2045 VGAInterfaceInfo *ti = &vga_interfaces[t];
2046
2047 assert(t < VGA_TYPE_MAX);
2048 return !ti->class_names[0] ||
2049 object_class_by_name(ti->class_names[0]) ||
2050 object_class_by_name(ti->class_names[1]);
2051}
2052
8c9a2b71 2053static void select_vgahw(const char *p)
3893c124 2054{
2055 const char *opts;
8c9a2b71 2056 int t;
3893c124 2057
d44229c5 2058 assert(vga_interface_type == VGA_NONE);
8c9a2b71
EH
2059 for (t = 0; t < VGA_TYPE_MAX; t++) {
2060 VGAInterfaceInfo *ti = &vga_interfaces[t];
2061 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
c2c7b22d 2062 if (!vga_interface_available(t)) {
8c9a2b71
EH
2063 error_report("%s not available", ti->name);
2064 exit(1);
2065 }
2066 vga_interface_type = t;
2067 break;
af87bf29 2068 }
8c9a2b71
EH
2069 }
2070 if (t == VGA_TYPE_MAX) {
3893c124 2071 invalid_vga:
3e515373 2072 error_report("unknown vga type: %s", p);
3893c124 2073 exit(1);
2074 }
cb5a7aa8 2075 while (*opts) {
2076 const char *nextopt;
2077
2078 if (strstart(opts, ",retrace=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "dumb", &nextopt))
2081 vga_retrace_method = VGA_RETRACE_DUMB;
2082 else if (strstart(opts, "precise", &nextopt))
2083 vga_retrace_method = VGA_RETRACE_PRECISE;
2084 else goto invalid_vga;
2085 } else goto invalid_vga;
2086 opts = nextopt;
2087 }
3893c124 2088}
2089
e3af9f9a 2090static void parse_display(const char *p)
1472a95b
JS
2091{
2092 const char *opts;
1472a95b
JS
2093
2094 if (strstart(p, "sdl", &opts)) {
2095#ifdef CONFIG_SDL
fe91f36a 2096 dpy.type = DISPLAY_TYPE_SDL;
1472a95b
JS
2097 while (*opts) {
2098 const char *nextopt;
2099
2100 if (strstart(opts, ",frame=", &nextopt)) {
67358447
GH
2101 g_printerr("The frame= sdl option is deprecated, and will be\n"
2102 "removed in a future release.\n");
1472a95b
JS
2103 opts = nextopt;
2104 if (strstart(opts, "on", &nextopt)) {
2105 no_frame = 0;
2106 } else if (strstart(opts, "off", &nextopt)) {
2107 no_frame = 1;
2108 } else {
05175535 2109 goto invalid_sdl_args;
1472a95b
JS
2110 }
2111 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2112 opts = nextopt;
2113 if (strstart(opts, "on", &nextopt)) {
2114 alt_grab = 1;
2115 } else if (strstart(opts, "off", &nextopt)) {
2116 alt_grab = 0;
2117 } else {
05175535 2118 goto invalid_sdl_args;
1472a95b
JS
2119 }
2120 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 ctrl_grab = 1;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 ctrl_grab = 0;
2126 } else {
05175535 2127 goto invalid_sdl_args;
1472a95b
JS
2128 }
2129 } else if (strstart(opts, ",window_close=", &nextopt)) {
2130 opts = nextopt;
fe91f36a 2131 dpy.has_window_close = true;
1472a95b 2132 if (strstart(opts, "on", &nextopt)) {
fe91f36a 2133 dpy.window_close = true;
1472a95b 2134 } else if (strstart(opts, "off", &nextopt)) {
fe91f36a 2135 dpy.window_close = false;
1472a95b 2136 } else {
05175535 2137 goto invalid_sdl_args;
1472a95b 2138 }
0b71a5d5
GH
2139 } else if (strstart(opts, ",gl=", &nextopt)) {
2140 opts = nextopt;
fe91f36a 2141 dpy.has_gl = true;
0b71a5d5 2142 if (strstart(opts, "on", &nextopt)) {
fe91f36a 2143 dpy.gl = true;
0b71a5d5 2144 } else if (strstart(opts, "off", &nextopt)) {
fe91f36a 2145 dpy.gl = false;
0b71a5d5
GH
2146 } else {
2147 goto invalid_sdl_args;
2148 }
1472a95b 2149 } else {
05175535 2150 invalid_sdl_args:
3e515373 2151 error_report("invalid SDL option string");
05175535 2152 exit(1);
1472a95b
JS
2153 }
2154 opts = nextopt;
2155 }
2156#else
c6bf0f7f 2157 error_report("SDL support is disabled");
1472a95b
JS
2158 exit(1);
2159#endif
3264ff12 2160 } else if (strstart(p, "vnc", &opts)) {
4db14629 2161 if (*opts == '=') {
7b1ee0f2 2162 vnc_parse(opts + 1, &error_fatal);
4db14629 2163 } else {
c6bf0f7f 2164 error_report("VNC requires a display argument vnc=<display>");
3264ff12
JS
2165 exit(1);
2166 }
bb1599b6 2167 } else if (strstart(p, "egl-headless", &opts)) {
371ec54e 2168#ifdef CONFIG_OPENGL_DMABUF
bb1599b6 2169 display_opengl = 1;
0d2dd9f0 2170 dpy.type = DISPLAY_TYPE_EGL_HEADLESS;
bb1599b6 2171#else
493d89bf 2172 error_report("egl support is disabled");
bb1599b6
GH
2173 exit(1);
2174#endif
1472a95b
JS
2175 } else if (strstart(p, "curses", &opts)) {
2176#ifdef CONFIG_CURSES
14f130fa 2177 dpy.type = DISPLAY_TYPE_CURSES;
1472a95b 2178#else
3e515373 2179 error_report("curses support is disabled");
1472a95b 2180 exit(1);
15546425
AL
2181#endif
2182 } else if (strstart(p, "gtk", &opts)) {
2183#ifdef CONFIG_GTK
0c8d7065 2184 dpy.type = DISPLAY_TYPE_GTK;
881249c7
JK
2185 while (*opts) {
2186 const char *nextopt;
2187
2188 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2189 opts = nextopt;
0c8d7065 2190 dpy.u.gtk.has_grab_on_hover = true;
881249c7 2191 if (strstart(opts, "on", &nextopt)) {
0c8d7065 2192 dpy.u.gtk.grab_on_hover = true;
881249c7 2193 } else if (strstart(opts, "off", &nextopt)) {
0c8d7065 2194 dpy.u.gtk.grab_on_hover = false;
881249c7
JK
2195 } else {
2196 goto invalid_gtk_args;
2197 }
97edf3bd
GH
2198 } else if (strstart(opts, ",gl=", &nextopt)) {
2199 opts = nextopt;
0c8d7065 2200 dpy.has_gl = true;
97edf3bd 2201 if (strstart(opts, "on", &nextopt)) {
0c8d7065 2202 dpy.gl = true;
97edf3bd 2203 } else if (strstart(opts, "off", &nextopt)) {
0c8d7065 2204 dpy.gl = false;
97edf3bd
GH
2205 } else {
2206 goto invalid_gtk_args;
2207 }
881249c7
JK
2208 } else {
2209 invalid_gtk_args:
3e515373 2210 error_report("invalid GTK option string");
881249c7
JK
2211 exit(1);
2212 }
2213 opts = nextopt;
2214 }
15546425 2215#else
c6bf0f7f 2216 error_report("GTK support is disabled");
15546425 2217 exit(1);
1472a95b 2218#endif
4171d32e 2219 } else if (strstart(p, "none", &opts)) {
0c8d7065 2220 dpy.type = DISPLAY_TYPE_NONE;
1472a95b 2221 } else {
3e515373 2222 error_report("unknown display type");
1472a95b
JS
2223 exit(1);
2224 }
1472a95b
JS
2225}
2226
7d4c3d53
MA
2227static int balloon_parse(const char *arg)
2228{
382f0743 2229 QemuOpts *opts;
7d4c3d53 2230
382f0743
GH
2231 if (strcmp(arg, "none") == 0) {
2232 return 0;
2233 }
2234
2235 if (!strncmp(arg, "virtio", 6)) {
2236 if (arg[6] == ',') {
2237 /* have params -> parse them */
70b94331
MA
2238 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2239 false);
382f0743
GH
2240 if (!opts)
2241 return -1;
2242 } else {
2243 /* create empty opts */
87ea75d5
PC
2244 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2245 &error_abort);
7d4c3d53 2246 }
f43e47db 2247 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
382f0743 2248 return 0;
7d4c3d53 2249 }
382f0743
GH
2250
2251 return -1;
7d4c3d53 2252}
7d4c3d53 2253
5cea8590
PB
2254char *qemu_find_file(int type, const char *name)
2255{
4524051c 2256 int i;
5cea8590
PB
2257 const char *subdir;
2258 char *buf;
2259
31783203
PM
2260 /* Try the name as a straight path first */
2261 if (access(name, R_OK) == 0) {
4524051c 2262 trace_load_file(name, name);
7267c094 2263 return g_strdup(name);
5cea8590 2264 }
4524051c 2265
5cea8590
PB
2266 switch (type) {
2267 case QEMU_FILE_TYPE_BIOS:
2268 subdir = "";
2269 break;
2270 case QEMU_FILE_TYPE_KEYMAP:
2271 subdir = "keymaps/";
2272 break;
2273 default:
2274 abort();
2275 }
4524051c
GH
2276
2277 for (i = 0; i < data_dir_idx; i++) {
2278 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2279 if (access(buf, R_OK) == 0) {
2280 trace_load_file(name, buf);
2281 return buf;
2282 }
7267c094 2283 g_free(buf);
5cea8590 2284 }
4524051c 2285 return NULL;
5cea8590
PB
2286}
2287
2a1cce90
GH
2288static void qemu_add_data_dir(const char *path)
2289{
2290 int i;
2291
2292 if (path == NULL) {
2293 return;
2294 }
2295 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2296 return;
2297 }
2298 for (i = 0; i < data_dir_idx; i++) {
2299 if (strcmp(data_dir[i], path) == 0) {
2300 return; /* duplicate */
2301 }
2302 }
35471127 2303 data_dir[data_dir_idx++] = g_strdup(path);
2a1cce90
GH
2304}
2305
6407d76e
GS
2306static inline bool nonempty_str(const char *str)
2307{
2308 return str && *str;
2309}
2310
81b2b810
GS
2311static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2312{
2313 gchar *buf;
2314 size_t size;
6407d76e 2315 const char *name, *file, *str;
bab47d9a 2316 FWCfgState *fw_cfg = (FWCfgState *) opaque;
81b2b810 2317
bab47d9a 2318 if (fw_cfg == NULL) {
81b2b810
GS
2319 error_report("fw_cfg device not available");
2320 return -1;
2321 }
2322 name = qemu_opt_get(opts, "name");
2323 file = qemu_opt_get(opts, "file");
6407d76e
GS
2324 str = qemu_opt_get(opts, "string");
2325
2326 /* we need name and either a file or the content string */
2327 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2328 error_report("invalid argument(s)");
2329 return -1;
2330 }
2331 if (nonempty_str(file) && nonempty_str(str)) {
2332 error_report("file and string are mutually exclusive");
81b2b810
GS
2333 return -1;
2334 }
2335 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2336 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2337 return -1;
2338 }
2339 if (strncmp(name, "opt/", 4) != 0) {
3dc6f869
AF
2340 warn_report("externally provided fw_cfg item names "
2341 "should be prefixed with \"opt/\"");
81b2b810 2342 }
6407d76e
GS
2343 if (nonempty_str(str)) {
2344 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2345 buf = g_memdup(str, size);
2346 } else {
2347 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2348 error_report("can't load %s", file);
2349 return -1;
2350 }
81b2b810 2351 }
bab47d9a
GH
2352 /* For legacy, keep user files in a specific global order. */
2353 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2354 fw_cfg_add_file(fw_cfg, name, buf, size);
2355 fw_cfg_reset_order_override(fw_cfg);
81b2b810
GS
2356 return 0;
2357}
2358
28d0de7a 2359static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
ff952ba2
MA
2360{
2361 return qdev_device_help(opts);
2362}
2363
28d0de7a 2364static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
f31d07d1 2365{
f006cf7f 2366 Error *err = NULL;
f31d07d1
GH
2367 DeviceState *dev;
2368
f006cf7f
MA
2369 dev = qdev_device_add(opts, &err);
2370 if (!dev) {
2371 error_report_err(err);
f31d07d1 2372 return -1;
f006cf7f 2373 }
b09995ae 2374 object_unref(OBJECT(dev));
f31d07d1
GH
2375 return 0;
2376}
2377
28d0de7a 2378static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1a688d3b 2379{
bd2d80b2 2380 Error *local_err = NULL;
1a688d3b 2381
0ec846bf
AN
2382 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2383 if (local_err) {
2384 error_report_err(local_err);
2385 return -1;
2386 }
2387 exit(0);
bd2d80b2 2388 }
1a688d3b
GH
2389 return 0;
2390}
2391
758e8e38 2392#ifdef CONFIG_VIRTFS
28d0de7a 2393static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
74db920c 2394{
9be38598 2395 return qemu_fsdev_add(opts);
74db920c
GS
2396}
2397#endif
2398
28d0de7a 2399static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
88589343 2400{
0ec7b3e7 2401 Chardev *chr;
88589343
GH
2402 const char *chardev;
2403 const char *mode;
2404 int flags;
2405
2406 mode = qemu_opt_get(opts, "mode");
2407 if (mode == NULL) {
2408 mode = "readline";
2409 }
2410 if (strcmp(mode, "readline") == 0) {
2411 flags = MONITOR_USE_READLINE;
2412 } else if (strcmp(mode, "control") == 0) {
2413 flags = MONITOR_USE_CONTROL;
2414 } else {
f61eddcb 2415 error_report("unknown monitor mode \"%s\"", mode);
88589343
GH
2416 exit(1);
2417 }
2418
39eaab9a
DB
2419 if (qemu_opt_get_bool(opts, "pretty", 0))
2420 flags |= MONITOR_USE_PRETTY;
2421
88589343
GH
2422 chardev = qemu_opt_get(opts, "chardev");
2423 chr = qemu_chr_find(chardev);
2424 if (chr == NULL) {
f61eddcb 2425 error_report("chardev \"%s\" not found", chardev);
88589343
GH
2426 exit(1);
2427 }
2428
2429 monitor_init(chr, flags);
2430 return 0;
2431}
2432
4821cd4c 2433static void monitor_parse(const char *optarg, const char *mode, bool pretty)
88589343
GH
2434{
2435 static int monitor_device_index = 0;
2436 QemuOpts *opts;
2437 const char *p;
2438 char label[32];
88589343
GH
2439
2440 if (strstart(optarg, "chardev:", &p)) {
2441 snprintf(label, sizeof(label), "%s", p);
2442 } else {
140e065d
JK
2443 snprintf(label, sizeof(label), "compat_monitor%d",
2444 monitor_device_index);
88589343
GH
2445 opts = qemu_chr_parse_compat(label, optarg);
2446 if (!opts) {
f61eddcb 2447 error_report("parse error: %s", optarg);
88589343
GH
2448 exit(1);
2449 }
2450 }
2451
822ac12d 2452 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
f43e47db
MA
2453 qemu_opt_set(opts, "mode", mode, &error_abort);
2454 qemu_opt_set(opts, "chardev", label, &error_abort);
cccb7967 2455 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
88589343
GH
2456 monitor_device_index++;
2457}
2458
bd3c948d
GH
2459struct device_config {
2460 enum {
aee1b935
GH
2461 DEV_USB, /* -usbdevice */
2462 DEV_BT, /* -bt */
2463 DEV_SERIAL, /* -serial */
2464 DEV_PARALLEL, /* -parallel */
2465 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2466 DEV_DEBUGCON, /* -debugcon */
ef0c4a0d 2467 DEV_GDB, /* -gdb, -s */
3ef669e1 2468 DEV_SCLP, /* s390 sclp */
bd3c948d
GH
2469 } type;
2470 const char *cmdline;
d9a5954d 2471 Location loc;
72cf2d4f 2472 QTAILQ_ENTRY(device_config) next;
bd3c948d 2473};
4fdcac0e
BS
2474
2475static QTAILQ_HEAD(, device_config) device_configs =
2476 QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH
2477
2478static void add_device_config(int type, const char *cmdline)
2479{
2480 struct device_config *conf;
2481
7267c094 2482 conf = g_malloc0(sizeof(*conf));
bd3c948d
GH
2483 conf->type = type;
2484 conf->cmdline = cmdline;
d9a5954d 2485 loc_save(&conf->loc);
72cf2d4f 2486 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH
2487}
2488
2489static int foreach_device_config(int type, int (*func)(const char *cmdline))
2490{
2491 struct device_config *conf;
2492 int rc;
2493
72cf2d4f 2494 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH
2495 if (conf->type != type)
2496 continue;
d9a5954d 2497 loc_push_restore(&conf->loc);
bd3c948d 2498 rc = func(conf->cmdline);
d9a5954d 2499 loc_pop(&conf->loc);
28de2f88 2500 if (rc) {
bd3c948d 2501 return rc;
28de2f88 2502 }
bd3c948d
GH
2503 }
2504 return 0;
2505}
2506
998bbd74
GH
2507static int serial_parse(const char *devname)
2508{
2509 static int index = 0;
2510 char label[32];
2511
2512 if (strcmp(devname, "none") == 0)
2513 return 0;
2514 if (index == MAX_SERIAL_PORTS) {
f61eddcb 2515 error_report("too many serial ports");
998bbd74
GH
2516 exit(1);
2517 }
2518 snprintf(label, sizeof(label), "serial%d", index);
b4948be9 2519 serial_hds[index] = qemu_chr_new(label, devname);
998bbd74 2520 if (!serial_hds[index]) {
f61eddcb
EH
2521 error_report("could not connect serial device"
2522 " to character backend '%s'", devname);
998bbd74
GH
2523 return -1;
2524 }
2525 index++;
2526 return 0;
2527}
2528
6a5e8b0e
GH
2529static int parallel_parse(const char *devname)
2530{
2531 static int index = 0;
2532 char label[32];
2533
2534 if (strcmp(devname, "none") == 0)
2535 return 0;
2536 if (index == MAX_PARALLEL_PORTS) {
f61eddcb 2537 error_report("too many parallel ports");
6a5e8b0e
GH
2538 exit(1);
2539 }
2540 snprintf(label, sizeof(label), "parallel%d", index);
b4948be9 2541 parallel_hds[index] = qemu_chr_new(label, devname);
6a5e8b0e 2542 if (!parallel_hds[index]) {
f61eddcb
EH
2543 error_report("could not connect parallel device"
2544 " to character backend '%s'", devname);
6a5e8b0e
GH
2545 return -1;
2546 }
2547 index++;
2548 return 0;
2549}
2550
aee1b935
GH
2551static int virtcon_parse(const char *devname)
2552{
3329f07b 2553 QemuOptsList *device = qemu_find_opts("device");
aee1b935
GH
2554 static int index = 0;
2555 char label[32];
392ecf54 2556 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH
2557
2558 if (strcmp(devname, "none") == 0)
2559 return 0;
2560 if (index == MAX_VIRTIO_CONSOLES) {
f61eddcb 2561 error_report("too many virtio consoles");
aee1b935
GH
2562 exit(1);
2563 }
392ecf54 2564
87ea75d5 2565 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
7b3fdbd9 2566 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
392ecf54 2567
87ea75d5 2568 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
f43e47db 2569 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
392ecf54 2570
aee1b935 2571 snprintf(label, sizeof(label), "virtcon%d", index);
b4948be9 2572 virtcon_hds[index] = qemu_chr_new(label, devname);
aee1b935 2573 if (!virtcon_hds[index]) {
f61eddcb
EH
2574 error_report("could not connect virtio console"
2575 " to character backend '%s'", devname);
aee1b935
GH
2576 return -1;
2577 }
f43e47db 2578 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
392ecf54 2579
aee1b935
GH
2580 index++;
2581 return 0;
2582}
2583
3ef669e1
AG
2584static int sclp_parse(const char *devname)
2585{
2586 QemuOptsList *device = qemu_find_opts("device");
2587 static int index = 0;
2588 char label[32];
2589 QemuOpts *dev_opts;
2590
2591 if (strcmp(devname, "none") == 0) {
2592 return 0;
2593 }
2594 if (index == MAX_SCLP_CONSOLES) {
f61eddcb 2595 error_report("too many sclp consoles");
3ef669e1
AG
2596 exit(1);
2597 }
2598
2599 assert(arch_type == QEMU_ARCH_S390X);
2600
2601 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
f43e47db 2602 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
3ef669e1
AG
2603
2604 snprintf(label, sizeof(label), "sclpcon%d", index);
b4948be9 2605 sclp_hds[index] = qemu_chr_new(label, devname);
3ef669e1 2606 if (!sclp_hds[index]) {
f61eddcb
EH
2607 error_report("could not connect sclp console"
2608 " to character backend '%s'", devname);
3ef669e1
AG
2609 return -1;
2610 }
f43e47db 2611 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
3ef669e1
AG
2612
2613 index++;
2614 return 0;
2615}
2616
c9f398e5 2617static int debugcon_parse(const char *devname)
4d8b3c63 2618{
c9f398e5
PA
2619 QemuOpts *opts;
2620
b4948be9 2621 if (!qemu_chr_new("debugcon", devname)) {
c9f398e5
PA
2622 exit(1);
2623 }
8be7e7e4 2624 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
c9f398e5 2625 if (!opts) {
f61eddcb 2626 error_report("already have a debugcon device");
c9f398e5
PA
2627 exit(1);
2628 }
f43e47db
MA
2629 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2630 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
c9f398e5
PA
2631 return 0;
2632}
2633
2709f263
LE
2634static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2635{
2636 const MachineClass *mc1 = a, *mc2 = b;
2637 int res;
2638
2639 if (mc1->family == NULL) {
2640 if (mc2->family == NULL) {
2641 /* Compare standalone machine types against each other; they sort
2642 * in increasing order.
2643 */
2644 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2645 object_class_get_name(OBJECT_CLASS(mc2)));
2646 }
2647
2648 /* Standalone machine types sort after families. */
2649 return 1;
2650 }
2651
2652 if (mc2->family == NULL) {
2653 /* Families sort before standalone machine types. */
2654 return -1;
2655 }
2656
2657 /* Families sort between each other alphabetically increasingly. */
2658 res = strcmp(mc1->family, mc2->family);
2659 if (res != 0) {
2660 return res;
2661 }
2662
2663 /* Within the same family, machine types sort in decreasing order. */
2664 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2665 object_class_get_name(OBJECT_CLASS(mc1)));
2666}
2667
2668 static MachineClass *machine_parse(const char *name)
9052ea6b 2669{
0056ae24 2670 MachineClass *mc = NULL;
261747f1 2671 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
9052ea6b
JK
2672
2673 if (name) {
0056ae24 2674 mc = find_machine(name);
9052ea6b 2675 }
0056ae24 2676 if (mc) {
02f292d9 2677 g_slist_free(machines);
0056ae24 2678 return mc;
9052ea6b 2679 }
025172d5 2680 if (name && !is_help_option(name)) {
3e515373 2681 error_report("unsupported machine type");
8afb9000 2682 error_printf("Use -machine help to list supported machines\n");
025172d5
MR
2683 } else {
2684 printf("Supported machines are:\n");
2709f263 2685 machines = g_slist_sort(machines, machine_class_cmp);
025172d5
MR
2686 for (el = machines; el; el = el->next) {
2687 MachineClass *mc = el->data;
958db90c
MA
2688 if (mc->alias) {
2689 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
025172d5 2690 }
958db90c
MA
2691 printf("%-20s %s%s\n", mc->name, mc->desc,
2692 mc->is_default ? " (default)" : "");
9052ea6b 2693 }
9052ea6b 2694 }
261747f1
MA
2695
2696 g_slist_free(machines);
c8057f95 2697 exit(!name || !is_help_option(name));
9052ea6b
JK
2698}
2699
fd42deeb
GH
2700void qemu_add_exit_notifier(Notifier *notify)
2701{
2702 notifier_list_add(&exit_notifiers, notify);
2703}
2704
2705void qemu_remove_exit_notifier(Notifier *notify)
2706{
31552529 2707 notifier_remove(notify);
fd42deeb
GH
2708}
2709
2710static void qemu_run_exit_notifiers(void)
2711{
9e8dd451 2712 notifier_list_notify(&exit_notifiers, NULL);
fd42deeb
GH
2713}
2714
71cdd1cb
PB
2715static bool machine_init_done;
2716
4cab946a
GN
2717void qemu_add_machine_init_done_notifier(Notifier *notify)
2718{
2719 notifier_list_add(&machine_init_done_notifiers, notify);
71cdd1cb
PB
2720 if (machine_init_done) {
2721 notify->notify(notify, NULL);
2722 }
4cab946a
GN
2723}
2724
b86eacb8
MA
2725void qemu_remove_machine_init_done_notifier(Notifier *notify)
2726{
2727 notifier_remove(notify);
2728}
2729
4cab946a
GN
2730static void qemu_run_machine_init_done_notifiers(void)
2731{
9e8dd451 2732 notifier_list_notify(&machine_init_done_notifiers, NULL);
71cdd1cb 2733 machine_init_done = true;
4cab946a
GN
2734}
2735
6530a97b
AL
2736static const QEMUOption *lookup_opt(int argc, char **argv,
2737 const char **poptarg, int *poptind)
2738{
2739 const QEMUOption *popt;
2740 int optind = *poptind;
2741 char *r = argv[optind];
2742 const char *optarg;
2743
0f0bc3f1 2744 loc_set_cmdline(argv, optind, 1);
6530a97b
AL
2745 optind++;
2746 /* Treat --foo the same as -foo. */
2747 if (r[1] == '-')
2748 r++;
2749 popt = qemu_options;
2750 for(;;) {
2751 if (!popt->name) {
0f0bc3f1 2752 error_report("invalid option");
6530a97b
AL
2753 exit(1);
2754 }
2755 if (!strcmp(popt->name, r + 1))
2756 break;
2757 popt++;
2758 }
2759 if (popt->flags & HAS_ARG) {
2760 if (optind >= argc) {
0f0bc3f1 2761 error_report("requires an argument");
6530a97b
AL
2762 exit(1);
2763 }
2764 optarg = argv[optind++];
0f0bc3f1 2765 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL
2766 } else {
2767 optarg = NULL;
2768 }
2769
2770 *poptarg = optarg;
2771 *poptind = optind;
2772
2773 return popt;
2774}
2775
7580f231 2776static MachineClass *select_machine(void)
34f405ae 2777{
7580f231 2778 MachineClass *machine_class = find_default_machine();
34f405ae
MA
2779 const char *optarg;
2780 QemuOpts *opts;
2781 Location loc;
2782
2783 loc_push_none(&loc);
2784
2785 opts = qemu_get_machine_opts();
2786 qemu_opts_loc_restore(opts);
2787
2788 optarg = qemu_opt_get(opts, "type");
2789 if (optarg) {
7580f231 2790 machine_class = machine_parse(optarg);
34f405ae
MA
2791 }
2792
7580f231 2793 if (!machine_class) {
34f405ae
MA
2794 error_report("No machine specified, and there is no default");
2795 error_printf("Use -machine help to list supported machines\n");
2796 exit(1);
2797 }
2798
2799 loc_pop(&loc);
7580f231 2800 return machine_class;
34f405ae
MA
2801}
2802
71df1d83
MA
2803static int machine_set_property(void *opaque,
2804 const char *name, const char *value,
2805 Error **errp)
68d98d3e
AL
2806{
2807 Object *obj = OBJECT(opaque);
68d98d3e 2808 Error *local_err = NULL;
f279ee45 2809 char *p, *qom_name;
68d98d3e 2810
d2659e27 2811 if (strcmp(name, "type") == 0) {
68d98d3e
AL
2812 return 0;
2813 }
2814
b0ddb8bf 2815 qom_name = g_strdup(name);
f279ee45
MA
2816 for (p = qom_name; *p; p++) {
2817 if (*p == '_') {
2818 *p = '-';
b0ddb8bf
MA
2819 }
2820 }
2821
2e16898a 2822 object_property_parse(obj, value, qom_name, &local_err);
b0ddb8bf 2823 g_free(qom_name);
68d98d3e
AL
2824
2825 if (local_err) {
a720a390 2826 error_report_err(local_err);
68d98d3e
AL
2827 return -1;
2828 }
2829
2830 return 0;
2831}
2832
f08f9271
DB
2833
2834/*
2835 * Initial object creation happens before all other
2836 * QEMU data types are created. The majority of objects
2837 * can be created at this point. The rng-egd object
2838 * cannot be created here, as it depends on the chardev
2839 * already existing.
2840 */
2841static bool object_create_initial(const char *type)
2842{
7c9e5276
PB
2843 if (g_str_equal(type, "rng-egd") ||
2844 g_str_has_prefix(type, "pr-manager-")) {
f08f9271
DB
2845 return false;
2846 }
7dbb11c8 2847
9d3e12e8
TH
2848 /*
2849 * return false for concrete netfilters since
2850 * they depend on netdevs already existing
2851 */
2852 if (g_str_equal(type, "filter-buffer") ||
f6d3afb5 2853 g_str_equal(type, "filter-dump") ||
d46f75b2 2854 g_str_equal(type, "filter-mirror") ||
7dce4e6f 2855 g_str_equal(type, "filter-redirector") ||
e6eee8ab 2856 g_str_equal(type, "colo-compare") ||
646c5478
PD
2857 g_str_equal(type, "filter-rewriter") ||
2858 g_str_equal(type, "filter-replay")) {
7dbb11c8
YH
2859 return false;
2860 }
2861
6546d0db
EH
2862 /* Memory allocation by backends needs to be done
2863 * after configure_accelerator() (due to the tcg_enabled()
2864 * checks at memory_region_init_*()).
2865 *
2866 * Also, allocation of large amounts of memory may delay
2867 * chardev initialization for too long, and trigger timeouts
2868 * on software that waits for a monitor socket to be created
2869 * (e.g. libvirt).
2870 */
2871 if (g_str_has_prefix(type, "memory-backend-")) {
2872 return false;
2873 }
2874
f08f9271
DB
2875 return true;
2876}
2877
2878
2879/*
2880 * The remainder of object creation happens after the
9abce56d 2881 * creation of chardev, fsdev, net clients and device data types.
f08f9271
DB
2882 */
2883static bool object_create_delayed(const char *type)
2884{
2885 return !object_create_initial(type);
2886}
2887
2888
076b35b5
ND
2889static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2890 MachineClass *mc)
3b9985e9
MA
2891{
2892 uint64_t sz;
2893 const char *mem_str;
2894 const char *maxmem_str, *slots_str;
076b35b5 2895 const ram_addr_t default_ram_size = mc->default_ram_size;
3b9985e9 2896 QemuOpts *opts = qemu_find_opts_singleton("memory");
bbe2d25c
EH
2897 Location loc;
2898
2899 loc_push_none(&loc);
2900 qemu_opts_loc_restore(opts);
3b9985e9
MA
2901
2902 sz = 0;
2903 mem_str = qemu_opt_get(opts, "size");
2904 if (mem_str) {
2905 if (!*mem_str) {
2906 error_report("missing 'size' option value");
2907 exit(EXIT_FAILURE);
2908 }
2909
2910 sz = qemu_opt_get_size(opts, "size", ram_size);
2911
2912 /* Fix up legacy suffix-less format */
2913 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2914 uint64_t overflow_check = sz;
2915
2916 sz <<= 20;
2917 if ((sz >> 20) != overflow_check) {
2918 error_report("too large 'size' option value");
2919 exit(EXIT_FAILURE);
2920 }
2921 }
2922 }
2923
2924 /* backward compatibility behaviour for case "-m 0" */
2925 if (sz == 0) {
2926 sz = default_ram_size;
2927 }
2928
2929 sz = QEMU_ALIGN_UP(sz, 8192);
2930 ram_size = sz;
2931 if (ram_size != sz) {
2932 error_report("ram size too large");
2933 exit(EXIT_FAILURE);
2934 }
2935
2936 /* store value for the future use */
39101f25 2937 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3b9985e9
MA
2938 *maxram_size = ram_size;
2939
2940 maxmem_str = qemu_opt_get(opts, "maxmem");
2941 slots_str = qemu_opt_get(opts, "slots");
2942 if (maxmem_str && slots_str) {
2943 uint64_t slots;
2944
2945 sz = qemu_opt_get_size(opts, "maxmem", 0);
214224ad 2946 slots = qemu_opt_get_number(opts, "slots", 0);
3b9985e9 2947 if (sz < ram_size) {
214224ad
PK
2948 error_report("invalid value of -m option maxmem: "
2949 "maximum memory size (0x%" PRIx64 ") must be at least "
2950 "the initial memory size (0x" RAM_ADDR_FMT ")",
2951 sz, ram_size);
3b9985e9 2952 exit(EXIT_FAILURE);
214224ad
PK
2953 } else if (sz > ram_size) {
2954 if (!slots) {
2955 error_report("invalid value of -m option: maxmem was "
2956 "specified, but no hotplug slots were specified");
2957 exit(EXIT_FAILURE);
2958 }
2959 } else if (slots) {
2960 error_report("invalid value of -m option maxmem: "
2961 "memory slots were specified but maximum memory size "
2962 "(0x%" PRIx64 ") is equal to the initial memory size "
2963 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3b9985e9
MA
2964 exit(EXIT_FAILURE);
2965 }
2966
3b9985e9
MA
2967 *maxram_size = sz;
2968 *ram_slots = slots;
2969 } else if ((!maxmem_str && slots_str) ||
2970 (maxmem_str && !slots_str)) {
2971 error_report("invalid -m option value: missing "
2972 "'%s' option", slots_str ? "maxmem" : "slots");
2973 exit(EXIT_FAILURE);
2974 }
bbe2d25c
EH
2975
2976 loc_pop(&loc);
3b9985e9
MA
2977}
2978
8d76bfe8
EH
2979static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2980{
2981 GlobalProperty *g;
2982
2983 g = g_malloc0(sizeof(*g));
2984 g->driver = qemu_opt_get(opts, "driver");
2985 g->property = qemu_opt_get(opts, "property");
2986 g->value = qemu_opt_get(opts, "value");
2987 g->user_provided = true;
03f28efb 2988 g->errp = &error_fatal;
8d76bfe8
EH
2989 qdev_prop_register_global(g);
2990 return 0;
2991}
2992
726401be
EH
2993static int qemu_read_default_config_file(void)
2994{
2995 int ret;
2996
2997 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2998 if (ret < 0 && ret != -ENOENT) {
2999 return ret;
3000 }
3001
3002 return 0;
3003}
3004
a0660e0b
PX
3005static void user_register_global_props(void)
3006{
3007 qemu_opts_foreach(qemu_find_opts("global"),
3008 global_init_func, NULL, NULL);
3009}
3010
3011/*
3012 * Note: we should see that these properties are actually having a
3013 * priority: accel < machine < user. This means e.g. when user
3014 * specifies something in "-global", it'll always be used with highest
3015 * priority than either machine/accelerator compat properties.
3016 */
3017static void register_global_properties(MachineState *ms)
3018{
3019 accel_register_compat_props(ms->accelerator);
3020 machine_register_compat_props(ms);
3021 user_register_global_props();
3022}
3023
902b3d5c 3024int main(int argc, char **argv, char **envp)
0824d6fc 3025{
e4bcb14c 3026 int i;
da1fcfda 3027 int snapshot, linux_boot;
7f7f9873 3028 const char *initrd_filename;
a20dd508 3029 const char *kernel_filename, *kernel_cmdline;
f05f47bb
GA
3030 const char *boot_order = NULL;
3031 const char *boot_once = NULL;
3023f332 3032 DisplayState *ds;
8d4e9146 3033 QemuOpts *opts, *machine_opts;
d1cdd92e 3034 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
03b0ba70 3035 QemuOptsList *olist;
cd6f1169 3036 int optind;
6530a97b 3037 const char *optarg;
d63d307f 3038 const char *loadvm = NULL;
0056ae24 3039 MachineClass *machine_class;
94fc95cd 3040 const char *cpu_model;
d44229c5 3041 const char *vga_model = NULL;
d4fce24f
PB
3042 const char *qtest_chrdev = NULL;
3043 const char *qtest_log = NULL;
93815bc2 3044 const char *pid_file = NULL;
5bb7910a 3045 const char *incoming = NULL;
f29a5614 3046 bool userconfig = true;
cfc58cf3 3047 bool nographic = false;
1f0dfe02 3048 int display_remote = 0;
c235d738
MF
3049 const char *log_mask = NULL;
3050 const char *log_file = NULL;
41fc57e4 3051 char *trace_file = NULL;
3b9985e9 3052 ram_addr_t maxram_size;
c270fb9e 3053 uint64_t ram_slots = 0;
abfd9ce3 3054 FILE *vmstate_dump_file = NULL;
2f78e491 3055 Error *main_loop_err = NULL;
ddbb0d09 3056 Error *err = NULL;
37146e7e 3057 bool list_data_dirs = false;
35471127 3058 char *dir, **dirs;
42e5f393
MA
3059 typedef struct BlockdevOptions_queue {
3060 BlockdevOptions *bdo;
3061 Location loc;
3062 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3063 } BlockdevOptions_queue;
3064 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3065 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
0b5538c3 3066
fe4db84d
DB
3067 module_call_init(MODULE_INIT_TRACE);
3068
267f685b 3069 qemu_init_cpu_list();
576a94d8
PB
3070 qemu_init_cpu_loop();
3071 qemu_mutex_lock_iothread();
3072
fd42deeb 3073 atexit(qemu_run_exit_notifiers);
65abca0a 3074 error_set_progname(argv[0]);
10f5bff6 3075 qemu_init_exec_dir(argv[0]);
65abca0a 3076
1b71f7c1 3077 module_call_init(MODULE_INIT_QOM);
05875687 3078 monitor_init_qmp_commands();
1b71f7c1 3079
4d454574 3080 qemu_add_opts(&qemu_drive_opts);
968854c8
AK
3081 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3082 qemu_add_drive_opts(&qemu_common_drive_opts);
3083 qemu_add_drive_opts(&qemu_drive_opts);
c5f3014b 3084 qemu_add_drive_opts(&bdrv_runtime_opts);
4d454574
PB
3085 qemu_add_opts(&qemu_chardev_opts);
3086 qemu_add_opts(&qemu_device_opts);
3087 qemu_add_opts(&qemu_netdev_opts);
3088 qemu_add_opts(&qemu_net_opts);
3089 qemu_add_opts(&qemu_rtc_opts);
3090 qemu_add_opts(&qemu_global_opts);
3091 qemu_add_opts(&qemu_mon_opts);
3092 qemu_add_opts(&qemu_trace_opts);
3093 qemu_add_opts(&qemu_option_rom_opts);
3094 qemu_add_opts(&qemu_machine_opts);
8d4e9146 3095 qemu_add_opts(&qemu_accel_opts);
6e1d3c1c 3096 qemu_add_opts(&qemu_mem_opts);
12b7f57e 3097 qemu_add_opts(&qemu_smp_opts);
4d454574
PB
3098 qemu_add_opts(&qemu_boot_opts);
3099 qemu_add_opts(&qemu_sandbox_opts);
3100 qemu_add_opts(&qemu_add_fd_opts);
3101 qemu_add_opts(&qemu_object_opts);
d1a0cf73 3102 qemu_add_opts(&qemu_tpmdev_opts);
888a6bc6 3103 qemu_add_opts(&qemu_realtime_opts);
5e2ac519 3104 qemu_add_opts(&qemu_msg_opts);
5d12f961 3105 qemu_add_opts(&qemu_name_opts);
0042109a 3106 qemu_add_opts(&qemu_numa_opts);
1ad9580b 3107 qemu_add_opts(&qemu_icount_opts);
a38bb079 3108 qemu_add_opts(&qemu_semihosting_config_opts);
81b2b810 3109 qemu_add_opts(&qemu_fw_cfg_opts);
34294e2f 3110 module_call_init(MODULE_INIT_OPTS);
4d454574 3111
5db9d4d1
LC
3112 runstate_init();
3113
ddbb0d09 3114 if (qcrypto_init(&err) < 0) {
c29b77f9 3115 error_reportf_err(err, "cannot initialize crypto: ");
ddbb0d09
DB
3116 exit(1);
3117 }
884f17c2 3118 rtc_clock = QEMU_CLOCK_HOST;
6875204c 3119
72cf2d4f 3120 QLIST_INIT (&vm_change_state_head);
fe98ac14 3121 os_setup_early_signal_handling();
be995c27 3122
94fc95cd 3123 cpu_model = NULL;
33e3963e 3124 snapshot = 0;
c4b1fcc0 3125
7c9d8e07 3126 nb_nics = 0;
3b46e624 3127
142c6b1a
PL
3128 bdrv_init_with_whitelist();
3129
2c02d1ad 3130 autostart = 1;
41bd639b 3131
292444cb
AL
3132 /* first pass of option parsing */
3133 optind = 1;
3134 while (optind < argc) {
3135 if (argv[optind][0] != '-') {
3136 /* disk image */
28e68d68 3137 optind++;
292444cb
AL
3138 } else {
3139 const QEMUOption *popt;
3140
3141 popt = lookup_opt(argc, argv, &optarg, &optind);
3142 switch (popt->index) {
3143 case QEMU_OPTION_nodefconfig:
f29a5614
EH
3144 case QEMU_OPTION_nouserconfig:
3145 userconfig = false;
3146 break;
292444cb
AL
3147 }
3148 }
3149 }
3150
1ea06c39 3151 if (userconfig) {
726401be 3152 if (qemu_read_default_config_file() < 0) {
dcfb0939 3153 exit(1);
292444cb
AL
3154 }
3155 }
3156
3157 /* second pass of option parsing */
cd6f1169 3158 optind = 1;
0824d6fc 3159 for(;;) {
cd6f1169 3160 if (optind >= argc)
0824d6fc 3161 break;
6530a97b 3162 if (argv[optind][0] != '-') {
d1cdd92e 3163 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
cd6f1169
FB
3164 } else {
3165 const QEMUOption *popt;
3166
6530a97b 3167 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a 3168 if (!(popt->arch_mask & arch_type)) {
da002526 3169 error_report("Option not supported for this target");
ad96090a
BS
3170 exit(1);
3171 }
cd6f1169 3172 switch(popt->index) {
e43d594e
JK
3173 case QEMU_OPTION_no_kvm_irqchip: {
3174 olist = qemu_find_opts("machine");
70b94331 3175 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
e43d594e
JK
3176 break;
3177 }
94fc95cd
JM
3178 case QEMU_OPTION_cpu:
3179 /* hw initialization will check this */
ecf40bea 3180 cpu_model = optarg;
94fc95cd 3181 break;
cd6f1169 3182 case QEMU_OPTION_hda:
cd6f1169 3183 case QEMU_OPTION_hdb:
cc1daa40
FB
3184 case QEMU_OPTION_hdc:
3185 case QEMU_OPTION_hdd:
2292ddae
MA
3186 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3187 HD_OPTS);
fc01f7e7 3188 break;
42e5f393
MA
3189 case QEMU_OPTION_blockdev:
3190 {
3191 Visitor *v;
3192 BlockdevOptions_queue *bdo;
3193
3194 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3195 if (!v) {
3196 error_report_err(err);
3197 exit(1);
3198 }
3199
3200 bdo = g_new(BlockdevOptions_queue, 1);
3201 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3202 &error_fatal);
3203 visit_free(v);
3204 loc_save(&bdo->loc);
3205 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3206 break;
3207 }
e4bcb14c 3208 case QEMU_OPTION_drive:
e2982c3a
MT
3209 if (drive_def(optarg) == NULL) {
3210 exit(1);
3211 }
99efa84d 3212 break;
d058fe03
GH
3213 case QEMU_OPTION_set:
3214 if (qemu_set_option(optarg) != 0)
3215 exit(1);
99efa84d 3216 break;
d0fef6fb
GH
3217 case QEMU_OPTION_global:
3218 if (qemu_global_option(optarg) != 0)
3219 exit(1);
99efa84d 3220 break;
3e3d5815 3221 case QEMU_OPTION_mtdblock:
2292ddae 3222 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3e3d5815 3223 break;
a1bb27b1 3224 case QEMU_OPTION_sd:
80f4d9fc 3225 drive_add(IF_SD, -1, optarg, SD_OPTS);
a1bb27b1 3226 break;
86f55663 3227 case QEMU_OPTION_pflash:
2292ddae 3228 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
86f55663 3229 break;
cd6f1169 3230 case QEMU_OPTION_snapshot:
33e3963e
FB
3231 snapshot = 1;
3232 break;
268a362c 3233 case QEMU_OPTION_numa:
70b94331
MA
3234 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3235 optarg, true);
0042109a
WG
3236 if (!opts) {
3237 exit(1);
3238 }
268a362c 3239 break;
1472a95b 3240 case QEMU_OPTION_display:
e3af9f9a 3241 parse_display(optarg);
1472a95b 3242 break;
cd6f1169 3243 case QEMU_OPTION_nographic:
cfc58cf3
EH
3244 olist = qemu_find_opts("machine");
3245 qemu_opts_parse_noisily(olist, "graphics=off", false);
3246 nographic = true;
0c8d7065 3247 dpy.type = DISPLAY_TYPE_NONE;
a20dd508 3248 break;
4d3b6f6e 3249 case QEMU_OPTION_curses:
47b05369 3250#ifdef CONFIG_CURSES
14f130fa 3251 dpy.type = DISPLAY_TYPE_CURSES;
47b05369 3252#else
3e515373 3253 error_report("curses support is disabled");
47b05369 3254 exit(1);
4d3b6f6e 3255#endif
47b05369 3256 break;
a171fe39 3257 case QEMU_OPTION_portrait:
9312805d
VK
3258 graphic_rotate = 90;
3259 break;
3260 case QEMU_OPTION_rotate:
3261 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3262 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3263 graphic_rotate != 180 && graphic_rotate != 270) {
f61eddcb 3264 error_report("only 90, 180, 270 deg rotation is available");
9312805d
VK
3265 exit(1);
3266 }
a171fe39 3267 break;
cd6f1169 3268 case QEMU_OPTION_kernel:
79087c78
MA
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3270 &error_abort);
a0abe474
PM
3271 break;
3272 case QEMU_OPTION_initrd:
79087c78
MA
3273 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3274 &error_abort);
a20dd508 3275 break;
cd6f1169 3276 case QEMU_OPTION_append:
79087c78
MA
3277 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3278 &error_abort);
313aa567 3279 break;
412beee6 3280 case QEMU_OPTION_dtb:
79087c78
MA
3281 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3282 &error_abort);
412beee6 3283 break;
cd6f1169 3284 case QEMU_OPTION_cdrom:
2292ddae 3285 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
36b486bb 3286 break;
cd6f1169 3287 case QEMU_OPTION_boot:
70b94331
MA
3288 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3289 optarg, true);
8281abd5
MA
3290 if (!opts) {
3291 exit(1);
36b486bb
FB
3292 }
3293 break;
cd6f1169 3294 case QEMU_OPTION_fda:
cd6f1169 3295 case QEMU_OPTION_fdb:
2292ddae
MA
3296 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3297 optarg, FD_OPTS);
c45886db 3298 break;
52ca8d6a
FB
3299 case QEMU_OPTION_no_fd_bootchk:
3300 fd_bootchk = 0;
3301 break;
a1ea458f 3302 case QEMU_OPTION_netdev:
d30300f7 3303 default_net = 0;
3329f07b 3304 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
a1ea458f
MM
3305 exit(1);
3306 }
3307 break;
7c9d8e07 3308 case QEMU_OPTION_net:
d30300f7 3309 default_net = 0;
3329f07b 3310 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
c4b1fcc0
FB
3311 exit(1);
3312 }
702c651c 3313 break;
f9dadc98
RS
3314#ifdef CONFIG_LIBISCSI
3315 case QEMU_OPTION_iscsi:
70b94331
MA
3316 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3317 optarg, false);
f9dadc98
RS
3318 if (!opts) {
3319 exit(1);
3320 }
3321 break;
3322#endif
c7f74643
FB
3323#ifdef CONFIG_SLIRP
3324 case QEMU_OPTION_tftp:
f853ac66
TH
3325 error_report("The -tftp option is deprecated. "
3326 "Please use '-netdev user,tftp=...' instead.");
ad196a9d 3327 legacy_tftp_prefix = optarg;
9bf05444 3328 break;
47d5d01a 3329 case QEMU_OPTION_bootp:
f853ac66
TH
3330 error_report("The -bootp option is deprecated. "
3331 "Please use '-netdev user,bootfile=...' instead.");
ad196a9d 3332 legacy_bootp_filename = optarg;
47d5d01a 3333 break;
9bf05444 3334 case QEMU_OPTION_redir:
f853ac66
TH
3335 error_report("The -redir option is deprecated. "
3336 "Please use '-netdev user,hostfwd=...' instead.");
0752706d
MA
3337 if (net_slirp_redir(optarg) < 0)
3338 exit(1);
9bf05444 3339 break;
c7f74643 3340#endif
dc72ac14 3341 case QEMU_OPTION_bt:
bd3c948d 3342 add_device_config(DEV_BT, optarg);
dc72ac14 3343 break;
1d14ffa9
FB
3344 case QEMU_OPTION_audio_help:
3345 AUD_help ();
3346 exit (0);
3347 break;
3348 case QEMU_OPTION_soundhw:
3349 select_soundhw (optarg);
3350 break;
cd6f1169 3351 case QEMU_OPTION_h:
15f82208 3352 help(0);
cd6f1169 3353 break;
9bd7e6d9
PB
3354 case QEMU_OPTION_version:
3355 version();
3356 exit(0);
3357 break;
3b9985e9 3358 case QEMU_OPTION_m:
70b94331
MA
3359 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3360 optarg, true);
6e1d3c1c
IM
3361 if (!opts) {
3362 exit(EXIT_FAILURE);
3363 }
cd6f1169 3364 break;
d1a0cf73
SB
3365#ifdef CONFIG_TPM
3366 case QEMU_OPTION_tpmdev:
3367 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3368 exit(1);
3369 }
3370 break;
3371#endif
c902760f
MT
3372 case QEMU_OPTION_mempath:
3373 mem_path = optarg;
3374 break;
c902760f
MT
3375 case QEMU_OPTION_mem_prealloc:
3376 mem_prealloc = 1;
3377 break;
cd6f1169 3378 case QEMU_OPTION_d:
c235d738
MF
3379 log_mask = optarg;
3380 break;
3381 case QEMU_OPTION_D:
3382 log_file = optarg;
cd6f1169 3383 break;
3514552e 3384 case QEMU_OPTION_DFILTER:
bd6fee9f 3385 qemu_set_dfilter_ranges(optarg, &error_fatal);
3514552e 3386 break;
cd6f1169 3387 case QEMU_OPTION_s:
ef0c4a0d 3388 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
cd6f1169 3389 break;
59030a8c 3390 case QEMU_OPTION_gdb:
ef0c4a0d 3391 add_device_config(DEV_GDB, optarg);
cd6f1169 3392 break;
cd6f1169 3393 case QEMU_OPTION_L:
37146e7e
RJ
3394 if (is_help_option(optarg)) {
3395 list_data_dirs = true;
2a1cce90
GH
3396 } else {
3397 qemu_add_data_dir(optarg);
4524051c 3398 }
cd6f1169 3399 break;
1192dad8 3400 case QEMU_OPTION_bios:
79087c78
MA
3401 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3402 &error_abort);
1192dad8 3403 break;
1b530a6d
AJ
3404 case QEMU_OPTION_singlestep:
3405 singlestep = 1;
3406 break;
cd6f1169 3407 case QEMU_OPTION_S:
3c07f8e8 3408 autostart = 0;
cd6f1169 3409 break;
99efa84d
MA
3410 case QEMU_OPTION_k:
3411 keyboard_layout = optarg;
3412 break;
ee22c2f7
FB
3413 case QEMU_OPTION_localtime:
3414 rtc_utc = 0;
3415 break;
3893c124 3416 case QEMU_OPTION_vga:
a369da5f 3417 vga_model = optarg;
7f1b17f2 3418 default_vga = 0;
1bfe856e 3419 break;
e9b137c2
FB
3420 case QEMU_OPTION_g:
3421 {
3422 const char *p;
3423 int w, h, depth;
3424 p = optarg;
3425 w = strtol(p, (char **)&p, 10);
3426 if (w <= 0) {
3427 graphic_error:
f61eddcb 3428 error_report("invalid resolution or depth");
e9b137c2
FB
3429 exit(1);
3430 }
3431 if (*p != 'x')
3432 goto graphic_error;
3433 p++;
3434 h = strtol(p, (char **)&p, 10);
3435 if (h <= 0)
3436 goto graphic_error;
3437 if (*p == 'x') {
3438 p++;
3439 depth = strtol(p, (char **)&p, 10);
5fafdf24 3440 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB
3441 depth != 24 && depth != 32)
3442 goto graphic_error;
3443 } else if (*p == '\0') {
3444 depth = graphic_depth;
3445 } else {
3446 goto graphic_error;
3447 }
3b46e624 3448
e9b137c2
FB
3449 graphic_width = w;
3450 graphic_height = h;
3451 graphic_depth = depth;
3452 }
3453 break;
20d8a3ed
TS
3454 case QEMU_OPTION_echr:
3455 {
3456 char *r;
3457 term_escape_char = strtol(optarg, &r, 0);
3458 if (r == optarg)
3459 printf("Bad argument to echr\n");
3460 break;
3461 }
82c643ff 3462 case QEMU_OPTION_monitor:
6ca5582d 3463 default_monitor = 0;
70e098af 3464 if (strncmp(optarg, "none", 4)) {
4821cd4c 3465 monitor_parse(optarg, "readline", false);
70e098af 3466 }
6ca5582d
GH
3467 break;
3468 case QEMU_OPTION_qmp:
4821cd4c
HR
3469 monitor_parse(optarg, "control", false);
3470 default_monitor = 0;
3471 break;
3472 case QEMU_OPTION_qmp_pretty:
3473 monitor_parse(optarg, "control", true);
2d114dc1 3474 default_monitor = 0;
82c643ff 3475 break;
22a0e04b 3476 case QEMU_OPTION_mon:
70b94331
MA
3477 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3478 true);
22a0e04b 3479 if (!opts) {
22a0e04b
GH
3480 exit(1);
3481 }
2d114dc1 3482 default_monitor = 0;
22a0e04b 3483 break;
191bc01b 3484 case QEMU_OPTION_chardev:
70b94331
MA
3485 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3486 optarg, true);
191bc01b 3487 if (!opts) {
191bc01b
GH
3488 exit(1);
3489 }
191bc01b 3490 break;
74db920c 3491 case QEMU_OPTION_fsdev:
03b0ba70
GH
3492 olist = qemu_find_opts("fsdev");
3493 if (!olist) {
5dfdae81 3494 error_report("fsdev support is disabled");
03b0ba70
GH
3495 exit(1);
3496 }
70b94331 3497 opts = qemu_opts_parse_noisily(olist, optarg, true);
74db920c 3498 if (!opts) {
74db920c
GS
3499 exit(1);
3500 }
3501 break;
3d54abc7 3502 case QEMU_OPTION_virtfs: {
e14ea479
SH
3503 QemuOpts *fsdev;
3504 QemuOpts *device;
32b69436 3505 const char *writeout, *sock_fd, *socket, *path, *security_model;
3d54abc7 3506
03b0ba70
GH
3507 olist = qemu_find_opts("virtfs");
3508 if (!olist) {
5dfdae81 3509 error_report("virtfs support is disabled");
03b0ba70
GH
3510 exit(1);
3511 }
70b94331 3512 opts = qemu_opts_parse_noisily(olist, optarg, true);
3d54abc7 3513 if (!opts) {
3d54abc7
GS
3514 exit(1);
3515 }
3516
fbcbf101 3517 if (qemu_opt_get(opts, "fsdriver") == NULL ||
99519f0a 3518 qemu_opt_get(opts, "mount_tag") == NULL) {
8afb9000 3519 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
9ce56db6
VJ
3520 exit(1);
3521 }
e14ea479 3522 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3baa0a6a 3523 qemu_opts_id(opts) ?:
8be7e7e4
LC
3524 qemu_opt_get(opts, "mount_tag"),
3525 1, NULL);
e14ea479 3526 if (!fsdev) {
3baa0a6a 3527 error_report("duplicate or invalid fsdev id: %s",
f61eddcb 3528 qemu_opt_get(opts, "mount_tag"));
3d54abc7
GS
3529 exit(1);
3530 }
d3ab98e6
AK
3531
3532 writeout = qemu_opt_get(opts, "writeout");
3533 if (writeout) {
3534#ifdef CONFIG_SYNC_FILE_RANGE
f43e47db 3535 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
d3ab98e6 3536#else
f61eddcb
EH
3537 error_report("writeout=immediate not supported "
3538 "on this platform");
d3ab98e6
AK
3539 exit(1);
3540#endif
3541 }
f43e47db
MA
3542 qemu_opt_set(fsdev, "fsdriver",
3543 qemu_opt_get(opts, "fsdriver"), &error_abort);
32b69436
GK
3544 path = qemu_opt_get(opts, "path");
3545 if (path) {
3546 qemu_opt_set(fsdev, "path", path, &error_abort);
3547 }
3548 security_model = qemu_opt_get(opts, "security_model");
3549 if (security_model) {
3550 qemu_opt_set(fsdev, "security_model", security_model,
3551 &error_abort);
3552 }
84a87cc4
MK
3553 socket = qemu_opt_get(opts, "socket");
3554 if (socket) {
f43e47db 3555 qemu_opt_set(fsdev, "socket", socket, &error_abort);
84a87cc4 3556 }
4c793dda
MK
3557 sock_fd = qemu_opt_get(opts, "sock_fd");
3558 if (sock_fd) {
f43e47db 3559 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
4c793dda 3560 }
e14ea479 3561
2c74c2cb 3562 qemu_opt_set_bool(fsdev, "readonly",
cccb7967
MA
3563 qemu_opt_get_bool(opts, "readonly", 0),
3564 &error_abort);
87ea75d5
PC
3565 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3566 &error_abort);
f43e47db 3567 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
e14ea479 3568 qemu_opt_set(device, "fsdev",
3baa0a6a 3569 qemu_opts_id(fsdev), &error_abort);
e14ea479 3570 qemu_opt_set(device, "mount_tag",
f43e47db 3571 qemu_opt_get(opts, "mount_tag"), &error_abort);
3d54abc7
GS
3572 break;
3573 }
9db221ae
AK
3574 case QEMU_OPTION_virtfs_synth: {
3575 QemuOpts *fsdev;
3576 QemuOpts *device;
3577
8be7e7e4
LC
3578 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3579 1, NULL);
9db221ae 3580 if (!fsdev) {
f61eddcb 3581 error_report("duplicate option: %s", "virtfs_synth");
9db221ae
AK
3582 exit(1);
3583 }
f43e47db 3584 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
9db221ae 3585
87ea75d5
PC
3586 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3587 &error_abort);
f43e47db
MA
3588 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3589 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3590 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
9db221ae
AK
3591 break;
3592 }
82c643ff 3593 case QEMU_OPTION_serial:
998bbd74
GH
3594 add_device_config(DEV_SERIAL, optarg);
3595 default_serial = 0;
18141ed6
JK
3596 if (strncmp(optarg, "mon:", 4) == 0) {
3597 default_monitor = 0;
3598 }
82c643ff 3599 break;
9dd986cc 3600 case QEMU_OPTION_watchdog:
09aaa160 3601 if (watchdog) {
f61eddcb 3602 error_report("only one watchdog option may be given");
09aaa160
MA
3603 return 1;
3604 }
3605 watchdog = optarg;
9dd986cc
RJ
3606 break;
3607 case QEMU_OPTION_watchdog_action:
3608 if (select_watchdog_action(optarg) == -1) {
3e515373 3609 error_report("unknown -watchdog-action parameter");
9dd986cc
RJ
3610 exit(1);
3611 }
3612 break;
51ecf136 3613 case QEMU_OPTION_virtiocon:
aee1b935
GH
3614 add_device_config(DEV_VIRTCON, optarg);
3615 default_virtcon = 0;
18141ed6
JK
3616 if (strncmp(optarg, "mon:", 4) == 0) {
3617 default_monitor = 0;
3618 }
51ecf136 3619 break;
6508fe59 3620 case QEMU_OPTION_parallel:
6a5e8b0e
GH
3621 add_device_config(DEV_PARALLEL, optarg);
3622 default_parallel = 0;
18141ed6
JK
3623 if (strncmp(optarg, "mon:", 4) == 0) {
3624 default_monitor = 0;
3625 }
6508fe59 3626 break;
c9f398e5
PA
3627 case QEMU_OPTION_debugcon:
3628 add_device_config(DEV_DEBUGCON, optarg);
3629 break;
99efa84d
MA
3630 case QEMU_OPTION_loadvm:
3631 loadvm = optarg;
3632 break;
d63d307f 3633 case QEMU_OPTION_full_screen:
0c8d7065
GH
3634 dpy.has_full_screen = true;
3635 dpy.full_screen = true;
d63d307f 3636 break;
43523e93 3637 case QEMU_OPTION_no_frame:
67358447
GH
3638 g_printerr("The -no-frame switch is deprecated, and will be\n"
3639 "removed in a future release.\n");
43523e93
TS
3640 no_frame = 1;
3641 break;
3780e197
TS
3642 case QEMU_OPTION_alt_grab:
3643 alt_grab = 1;
3644 break;
0ca9f8a4
DK
3645 case QEMU_OPTION_ctrl_grab:
3646 ctrl_grab = 1;
3647 break;
667accab 3648 case QEMU_OPTION_no_quit:
0c8d7065
GH
3649 dpy.has_window_close = true;
3650 dpy.window_close = false;
667accab 3651 break;
7d957bd8 3652 case QEMU_OPTION_sdl:
24f6ff86 3653#ifdef CONFIG_SDL
fe91f36a 3654 dpy.type = DISPLAY_TYPE_SDL;
7d957bd8 3655 break;
58fc096c 3656#else
f61eddcb 3657 error_report("SDL support is disabled");
58fc096c 3658 exit(1);
667accab 3659#endif
f7cce898 3660 case QEMU_OPTION_pidfile:
93815bc2 3661 pid_file = optarg;
f7cce898 3662 break;
a09db21f
FB
3663 case QEMU_OPTION_win2k_hack:
3664 win2k_install_hack = 1;
3665 break;
433acf0d 3666 case QEMU_OPTION_rtc_td_hack: {
16714b16
EH
3667 static GlobalProperty slew_lost_ticks = {
3668 .driver = "mc146818rtc",
3669 .property = "lost_tick_policy",
3670 .value = "slew",
433acf0d
JK
3671 };
3672
16714b16 3673 qdev_prop_register_global(&slew_lost_ticks);
73822ec8 3674 break;
433acf0d 3675 }
8a92ea2f 3676 case QEMU_OPTION_acpitable:
70b94331
MA
3677 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3678 optarg, true);
f46e720a
LE
3679 if (!opts) {
3680 exit(1);
3681 }
9f57061c 3682 acpi_table_add(opts, &error_fatal);
8a92ea2f 3683 break;
b6f6e3d3 3684 case QEMU_OPTION_smbios:
70b94331
MA
3685 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3686 optarg, false);
f46e720a
LE
3687 if (!opts) {
3688 exit(1);
3689 }
1007a37e 3690 smbios_entry_add(opts, &error_fatal);
b6f6e3d3 3691 break;
81b2b810 3692 case QEMU_OPTION_fwcfg:
70b94331
MA
3693 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3694 optarg, true);
81b2b810
GS
3695 if (opts == NULL) {
3696 exit(1);
3697 }
3698 break;
7ba1e619 3699 case QEMU_OPTION_enable_kvm:
303d4e86 3700 olist = qemu_find_opts("machine");
70b94331 3701 qemu_opts_parse_noisily(olist, "accel=kvm", false);
303d4e86 3702 break;
b0cb0a66
VP
3703 case QEMU_OPTION_enable_hax:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "accel=hax", false);
3706 break;
364c3e6b 3707 case QEMU_OPTION_M:
303d4e86
AP
3708 case QEMU_OPTION_machine:
3709 olist = qemu_find_opts("machine");
70b94331 3710 opts = qemu_opts_parse_noisily(olist, optarg, true);
303d4e86 3711 if (!opts) {
303d4e86
AP
3712 exit(1);
3713 }
7ba1e619 3714 break;
a0dac021
JK
3715 case QEMU_OPTION_no_kvm:
3716 olist = qemu_find_opts("machine");
70b94331 3717 qemu_opts_parse_noisily(olist, "accel=tcg", false);
a0dac021 3718 break;
c21fb4f8 3719 case QEMU_OPTION_no_kvm_pit_reinjection: {
16714b16
EH
3720 static GlobalProperty kvm_pit_lost_tick_policy = {
3721 .driver = "kvm-pit",
3722 .property = "lost_tick_policy",
3723 .value = "discard",
c21fb4f8
JK
3724 };
3725
3dc6f869
AF
3726 warn_report("deprecated, replaced by "
3727 "-global kvm-pit.lost_tick_policy=discard");
16714b16 3728 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
c21fb4f8
JK
3729 break;
3730 }
a20fa79f 3731 case QEMU_OPTION_accel:
8d4e9146
FK
3732 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3733 optarg, true);
3734 optarg = qemu_opt_get(accel_opts, "accel");
bde4d920
TH
3735 if (!optarg || is_help_option(optarg)) {
3736 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
a20fa79f 3737 exit(0);
8d4e9146 3738 }
a20fa79f
TH
3739 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3740 false, &error_abort);
3741 qemu_opt_set(opts, "accel", optarg, &error_abort);
8d4e9146 3742 break;
bb36d470 3743 case QEMU_OPTION_usb:
fa5358c6 3744 olist = qemu_find_opts("machine");
70b94331 3745 qemu_opts_parse_noisily(olist, "usb=on", false);
bb36d470 3746 break;
a594cfbf 3747 case QEMU_OPTION_usbdevice:
a358a3af
TH
3748 error_report("'-usbdevice' is deprecated, please use "
3749 "'-device usb-...' instead");
fa5358c6 3750 olist = qemu_find_opts("machine");
70b94331 3751 qemu_opts_parse_noisily(olist, "usb=on", false);
bd3c948d
GH
3752 add_device_config(DEV_USB, optarg);
3753 break;
3754 case QEMU_OPTION_device:
70b94331
MA
3755 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3756 optarg, true)) {
f31d07d1
GH
3757 exit(1);
3758 }
a594cfbf 3759 break;
6a00d601 3760 case QEMU_OPTION_smp:
70b94331
MA
3761 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3762 optarg, true)) {
6be68d7e
JS
3763 exit(1);
3764 }
6a00d601 3765 break;
99efa84d 3766 case QEMU_OPTION_vnc:
7b1ee0f2 3767 vnc_parse(optarg, &error_fatal);
821601ea 3768 break;
6515b203
FB
3769 case QEMU_OPTION_no_acpi:
3770 acpi_enabled = 0;
3771 break;
16b29ae1
AL
3772 case QEMU_OPTION_no_hpet:
3773 no_hpet = 1;
3774 break;
7d4c3d53
MA
3775 case QEMU_OPTION_balloon:
3776 if (balloon_parse(optarg) < 0) {
3e515373 3777 error_report("unknown -balloon argument %s", optarg);
7d4c3d53
MA
3778 exit(1);
3779 }
df97b920 3780 break;
d1beab82
FB
3781 case QEMU_OPTION_no_reboot:
3782 no_reboot = 1;
3783 break;
b2f76161
AJ
3784 case QEMU_OPTION_no_shutdown:
3785 no_shutdown = 1;
3786 break;
9467cd46
AZ
3787 case QEMU_OPTION_show_cursor:
3788 cursor_hide = 0;
3789 break;
8fcb1b90 3790 case QEMU_OPTION_uuid:
9c5ce8db 3791 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
4cd70f34 3792 error_report("failed to parse UUID string: wrong format");
8fcb1b90
BS
3793 exit(1);
3794 }
fc3b3295 3795 qemu_uuid_set = true;
8fcb1b90 3796 break;
99efa84d
MA
3797 case QEMU_OPTION_option_rom:
3798 if (nb_option_roms >= MAX_OPTION_ROMS) {
3e515373 3799 error_report("too many option ROMs");
99efa84d
MA
3800 exit(1);
3801 }
70b94331
MA
3802 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3803 optarg, true);
49295ebc
MA
3804 if (!opts) {
3805 exit(1);
3806 }
2e55e842
GN
3807 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3808 option_rom[nb_option_roms].bootindex =
3809 qemu_opt_get_number(opts, "bootindex", -1);
3810 if (!option_rom[nb_option_roms].name) {
f61eddcb 3811 error_report("Option ROM file is not specified");
2e55e842
GN
3812 exit(1);
3813 }
99efa84d
MA
3814 nb_option_roms++;
3815 break;
8e71621f 3816 case QEMU_OPTION_semihosting:
cfe67cef
LA
3817 semihosting.enabled = true;
3818 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079
LI
3819 break;
3820 case QEMU_OPTION_semihosting_config:
cfe67cef 3821 semihosting.enabled = true;
70b94331
MA
3822 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3823 optarg, false);
a38bb079 3824 if (opts != NULL) {
cfe67cef 3825 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
a38bb079
LI
3826 true);
3827 const char *target = qemu_opt_get(opts, "target");
3828 if (target != NULL) {
3829 if (strcmp("native", target) == 0) {
cfe67cef 3830 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
a38bb079 3831 } else if (strcmp("gdb", target) == 0) {
cfe67cef 3832 semihosting.target = SEMIHOSTING_TARGET_GDB;
a38bb079 3833 } else if (strcmp("auto", target) == 0) {
cfe67cef 3834 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079 3835 } else {
3e515373 3836 error_report("unsupported semihosting-config %s",
f61eddcb 3837 optarg);
a38bb079
LI
3838 exit(1);
3839 }
3840 } else {
cfe67cef 3841 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079 3842 }
a59d31a1
LA
3843 /* Set semihosting argument count and vector */
3844 qemu_opt_foreach(opts, add_semihosting_arg,
3845 &semihosting, NULL);
a38bb079 3846 } else {
3e515373 3847 error_report("unsupported semihosting-config %s", optarg);
a38bb079
LI
3848 exit(1);
3849 }
8e71621f 3850 break;
88eed34a 3851 case QEMU_OPTION_tdf:
3dc6f869 3852 warn_report("ignoring deprecated option");
88eed34a 3853 break;
c35734b2 3854 case QEMU_OPTION_name:
70b94331
MA
3855 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3856 optarg, true);
5d12f961
DDAG
3857 if (!opts) {
3858 exit(1);
3859 }
c35734b2 3860 break;
66508601
BS
3861 case QEMU_OPTION_prom_env:
3862 if (nb_prom_envs >= MAX_PROM_ENVS) {
3e515373 3863 error_report("too many prom variables");
66508601
BS
3864 exit(1);
3865 }
3866 prom_envs[nb_prom_envs] = optarg;
3867 nb_prom_envs++;
3868 break;
2b8f2d41
AZ
3869 case QEMU_OPTION_old_param:
3870 old_param = 1;
05ebd537 3871 break;
f3dcfada 3872 case QEMU_OPTION_clock:
6d327171
AB
3873 /* Clock options no longer exist. Keep this option for
3874 * backward compatibility.
3875 */
f3dcfada 3876 break;
7e0af5d0 3877 case QEMU_OPTION_startdate:
1ed2fc1f
JK
3878 configure_rtc_date_offset(optarg, 1);
3879 break;
3880 case QEMU_OPTION_rtc:
70b94331
MA
3881 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3882 false);
1ed2fc1f 3883 if (!opts) {
1ed2fc1f 3884 exit(1);
7e0af5d0 3885 }
1ed2fc1f 3886 configure_rtc(opts);
7e0af5d0 3887 break;
26a5f13b 3888 case QEMU_OPTION_tb_size:
f940488f
EC
3889#ifndef CONFIG_TCG
3890 error_report("TCG is disabled");
3891 exit(1);
3892#endif
8b3ae692
PB
3893 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3894 error_report("Invalid argument to -tb-size");
3895 exit(1);
d5ab9713 3896 }
26a5f13b 3897 break;
2e70f6ef 3898 case QEMU_OPTION_icount:
70b94331
MA
3899 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3900 optarg, true);
1ad9580b
ST
3901 if (!icount_opts) {
3902 exit(1);
3903 }
2e70f6ef 3904 break;
5bb7910a 3905 case QEMU_OPTION_incoming:
7c76235a
DDAG
3906 if (!incoming) {
3907 runstate_set(RUN_STATE_INMIGRATE);
3908 }
5bb7910a
AL
3909 incoming = optarg;
3910 break;
d15c05fc 3911 case QEMU_OPTION_only_migratable:
3df663e5
PX
3912 /*
3913 * TODO: we can remove this option one day, and we
3914 * should all use:
3915 *
3916 * "-global migration.only-migratable=true"
3917 */
b605c47b 3918 qemu_global_option("migration.only-migratable=true");
d15c05fc 3919 break;
d8c208dd 3920 case QEMU_OPTION_nodefaults:
d44229c5 3921 has_defaults = 0;
d8c208dd 3922 break;
e37630ca 3923 case QEMU_OPTION_xen_domid:
ad96090a 3924 if (!(xen_available())) {
da002526 3925 error_report("Option not supported for this target");
ad96090a
BS
3926 exit(1);
3927 }
e37630ca
AL
3928 xen_domid = atoi(optarg);
3929 break;
3930 case QEMU_OPTION_xen_create:
ad96090a 3931 if (!(xen_available())) {
da002526 3932 error_report("Option not supported for this target");
ad96090a
BS
3933 exit(1);
3934 }
e37630ca
AL
3935 xen_mode = XEN_CREATE;
3936 break;
3937 case QEMU_OPTION_xen_attach:
ad96090a 3938 if (!(xen_available())) {
da002526 3939 error_report("Option not supported for this target");
ad96090a
BS
3940 exit(1);
3941 }
e37630ca
AL
3942 xen_mode = XEN_ATTACH;
3943 break;
1c599472
PD
3944 case QEMU_OPTION_xen_domid_restrict:
3945 if (!(xen_available())) {
3946 error_report("Option not supported for this target");
3947 exit(1);
3948 }
3949 xen_domid_restrict = true;
3950 break;
ab6540d5 3951 case QEMU_OPTION_trace:
e9e0bb2a
DL
3952 g_free(trace_file);
3953 trace_file = trace_opt_parse(optarg);
ab6540d5 3954 break;
715a664a
GH
3955 case QEMU_OPTION_readconfig:
3956 {
dcfb0939
KW
3957 int ret = qemu_read_config_file(optarg);
3958 if (ret < 0) {
f61eddcb
EH
3959 error_report("read config %s: %s", optarg,
3960 strerror(-ret));
715a664a
GH
3961 exit(1);
3962 }
715a664a
GH
3963 break;
3964 }
29b0040b
GH
3965 case QEMU_OPTION_spice:
3966 olist = qemu_find_opts("spice");
3967 if (!olist) {
5dfdae81 3968 error_report("spice support is disabled");
29b0040b
GH
3969 exit(1);
3970 }
70b94331 3971 opts = qemu_opts_parse_noisily(olist, optarg, false);
29b0040b 3972 if (!opts) {
29b0040b
GH
3973 exit(1);
3974 }
f963e4d0 3975 display_remote++;
29b0040b 3976 break;
715a664a
GH
3977 case QEMU_OPTION_writeconfig:
3978 {
3979 FILE *fp;
3980 if (strcmp(optarg, "-") == 0) {
3981 fp = stdout;
3982 } else {
3983 fp = fopen(optarg, "w");
3984 if (fp == NULL) {
f61eddcb
EH
3985 error_report("open %s: %s", optarg,
3986 strerror(errno));
715a664a
GH
3987 exit(1);
3988 }
3989 }
3990 qemu_config_write(fp);
7fb8b5d9
CG
3991 if (fp != stdout) {
3992 fclose(fp);
3993 }
715a664a
GH
3994 break;
3995 }
c7f0f3b1
AL
3996 case QEMU_OPTION_qtest:
3997 qtest_chrdev = optarg;
3998 break;
3999 case QEMU_OPTION_qtest_log:
4000 qtest_log = optarg;
4001 break;
7d76ad4f 4002 case QEMU_OPTION_sandbox:
70b94331
MA
4003 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4004 optarg, true);
7d76ad4f 4005 if (!opts) {
49295ebc 4006 exit(1);
7d76ad4f
EO
4007 }
4008 break;
587ed6be
CB
4009 case QEMU_OPTION_add_fd:
4010#ifndef _WIN32
70b94331
MA
4011 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4012 optarg, false);
587ed6be 4013 if (!opts) {
49295ebc 4014 exit(1);
587ed6be
CB
4015 }
4016#else
4017 error_report("File descriptor passing is disabled on this "
4018 "platform");
4019 exit(1);
4020#endif
4021 break;
68d98d3e 4022 case QEMU_OPTION_object:
70b94331
MA
4023 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4024 optarg, true);
49295ebc
MA
4025 if (!opts) {
4026 exit(1);
4027 }
68d98d3e 4028 break;
888a6bc6 4029 case QEMU_OPTION_realtime:
70b94331
MA
4030 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4031 optarg, false);
888a6bc6
SM
4032 if (!opts) {
4033 exit(1);
4034 }
28d16f38 4035 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
888a6bc6 4036 break;
5e2ac519 4037 case QEMU_OPTION_msg:
70b94331
MA
4038 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4039 false);
5e2ac519
SA
4040 if (!opts) {
4041 exit(1);
4042 }
4043 configure_msg(opts);
4044 break;
abfd9ce3 4045 case QEMU_OPTION_dump_vmstate:
522abf69 4046 if (vmstate_dump_file) {
f61eddcb
EH
4047 error_report("only one '-dump-vmstate' "
4048 "option may be given");
522abf69
GA
4049 exit(1);
4050 }
abfd9ce3
AS
4051 vmstate_dump_file = fopen(optarg, "w");
4052 if (vmstate_dump_file == NULL) {
f61eddcb 4053 error_report("open %s: %s", optarg, strerror(errno));
abfd9ce3
AS
4054 exit(1);
4055 }
4056 break;
59a5264b
JS
4057 default:
4058 os_parse_cmd_args(popt->index, optarg);
cd6f1169 4059 }
0824d6fc
FB
4060 }
4061 }
43fa1e0b
EH
4062 /*
4063 * Clear error location left behind by the loop.
4064 * Best done right after the loop. Do not insert code here!
4065 */
4066 loc_set_none();
364c3e6b 4067
4c27b859
PD
4068 replay_configure(icount_opts);
4069
7580f231 4070 machine_class = select_machine();
076b35b5
ND
4071
4072 set_memory_options(&ram_slots, &maxram_size, machine_class);
3b9985e9 4073
2d9c2725 4074 os_daemonize();
73c6e401 4075 rcu_disable_atfork();
2d9c2725 4076
004c8e00
MT
4077 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4078 error_report("could not acquire pid file: %s", strerror(errno));
4079 exit(1);
4080 }
4081
2f78e491 4082 if (qemu_init_main_loop(&main_loop_err)) {
565f65d2 4083 error_report_err(main_loop_err);
1c53786f
PB
4084 exit(1);
4085 }
4086
28d0de7a
MA
4087 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4088 parse_sandbox, NULL, NULL)) {
7d76ad4f
EO
4089 exit(1);
4090 }
4091
28d0de7a
MA
4092 if (qemu_opts_foreach(qemu_find_opts("name"),
4093 parse_name, NULL, NULL)) {
5b9d313e
DDAG
4094 exit(1);
4095 }
4096
587ed6be 4097#ifndef _WIN32
28d0de7a
MA
4098 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4099 parse_add_fd, NULL, NULL)) {
587ed6be
CB
4100 exit(1);
4101 }
4102
28d0de7a
MA
4103 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4104 cleanup_add_fd, NULL, NULL)) {
587ed6be
CB
4105 exit(1);
4106 }
4107#endif
4108
0056ae24
MA
4109 current_machine = MACHINE(object_new(object_class_get_name(
4110 OBJECT_CLASS(machine_class))));
52eb3dfd
MA
4111 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4112 exit(0);
4113 }
0056ae24
MA
4114 object_property_add_child(object_get_root(), "machine",
4115 OBJECT(current_machine), &error_abort);
20bccb82
PM
4116
4117 if (machine_class->minimum_page_bits) {
4118 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4119 /* This would be a board error: specifying a minimum smaller than
4120 * a target's compile-time fixed setting.
4121 */
4122 g_assert_not_reached();
4123 }
4124 }
4125
b5c2c3d0 4126 cpu_exec_init_all();
0056ae24 4127
958db90c 4128 if (machine_class->hw_version) {
35c2c8dc 4129 qemu_set_hw_version(machine_class->hw_version);
93bfef4c
CV
4130 }
4131
c8057f95 4132 if (cpu_model && is_help_option(cpu_model)) {
1d6528af 4133 list_cpus(stdout, &fprintf, cpu_model);
ecf40bea
EH
4134 exit(0);
4135 }
4136
62cb4145
DL
4137 if (!trace_init_backends()) {
4138 exit(1);
4139 }
41fc57e4
PB
4140 trace_init_file(trace_file);
4141
67633bb4 4142 /* Open the logfile at this point and set the log mask if necessary.
c235d738 4143 */
67633bb4 4144 if (log_file) {
daa76aa4 4145 qemu_set_log_filename(log_file, &error_fatal);
67633bb4
PK
4146 }
4147
c235d738 4148 if (log_mask) {
b946bffa 4149 int mask;
b946bffa
PM
4150 mask = qemu_str_to_log_mask(log_mask);
4151 if (!mask) {
4152 qemu_print_log_usage(stdout);
4153 exit(1);
4154 }
4155 qemu_set_log(mask);
ed7f5f1d
PB
4156 } else {
4157 qemu_set_log(0);
c235d738 4158 }
330d0414 4159
3d5eecab
GH
4160 /* add configured firmware directories */
4161 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4162 for (i = 0; dirs[i] != NULL; i++) {
4163 qemu_add_data_dir(dirs[i]);
4164 }
35471127 4165 g_strfreev(dirs);
3d5eecab
GH
4166
4167 /* try to find datadir relative to the executable path */
35471127
MAL
4168 dir = os_find_datadir();
4169 qemu_add_data_dir(dir);
4170 g_free(dir);
2a1cce90 4171
3d5eecab 4172 /* add the datadir specified when building */
2a1cce90 4173 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
5cea8590 4174
37146e7e
RJ
4175 /* -L help lists the data directories and exits. */
4176 if (list_data_dirs) {
4177 for (i = 0; i < data_dir_idx; i++) {
4178 printf("%s\n", data_dir[i]);
4179 }
4180 exit(0);
4181 }
4182
72649619
EC
4183 /* machine_class: default to UP */
4184 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4185 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4186 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4187
4188 /* default to machine_class->default_cpus */
4189 smp_cpus = machine_class->default_cpus;
4190 max_cpus = machine_class->default_cpus;
4191
12b7f57e 4192 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
6be68d7e 4193
72649619
EC
4194 /* sanity-check smp_cpus and max_cpus against machine_class */
4195 if (smp_cpus < machine_class->min_cpus) {
4196 error_report("Invalid SMP CPUs %d. The min CPUs "
4197 "supported by machine '%s' is %d", smp_cpus,
4198 machine_class->name, machine_class->min_cpus);
4199 exit(1);
4200 }
c00cd995 4201 if (max_cpus > machine_class->max_cpus) {
c0dd1099
ST
4202 error_report("Invalid SMP CPUs %d. The max CPUs "
4203 "supported by machine '%s' is %d", max_cpus,
f61eddcb 4204 machine_class->name, machine_class->max_cpus);
b2097003
AL
4205 exit(1);
4206 }
4207
67b724e6
AP
4208 /*
4209 * Get the default machine options from the machine if it is not already
4210 * specified either by the configuration file or by the command line.
4211 */
958db90c 4212 if (machine_class->default_machine_opts) {
25de5935 4213 qemu_opts_set_defaults(qemu_find_opts("machine"),
958db90c 4214 machine_class->default_machine_opts, 0);
67b724e6
AP
4215 }
4216
28d0de7a
MA
4217 qemu_opts_foreach(qemu_find_opts("device"),
4218 default_driver_check, NULL, NULL);
4219 qemu_opts_foreach(qemu_find_opts("global"),
4220 default_driver_check, NULL, NULL);
998bbd74 4221
d44229c5
MW
4222 if (!vga_model && !default_vga) {
4223 vga_interface_type = VGA_DEVICE;
4224 }
958db90c 4225 if (!has_defaults || machine_class->no_serial) {
986c5f78
GH
4226 default_serial = 0;
4227 }
958db90c 4228 if (!has_defaults || machine_class->no_parallel) {
986c5f78
GH
4229 default_parallel = 0;
4230 }
958db90c 4231 if (!has_defaults || !machine_class->use_virtcon) {
986c5f78
GH
4232 default_virtcon = 0;
4233 }
958db90c 4234 if (!has_defaults || !machine_class->use_sclp) {
3ef669e1
AG
4235 default_sclp = 0;
4236 }
958db90c 4237 if (!has_defaults || machine_class->no_floppy) {
ac33f8fa
GH
4238 default_floppy = 0;
4239 }
958db90c 4240 if (!has_defaults || machine_class->no_cdrom) {
ac33f8fa
GH
4241 default_cdrom = 0;
4242 }
958db90c 4243 if (!has_defaults || machine_class->no_sdcard) {
ac33f8fa
GH
4244 default_sdcard = 0;
4245 }
d44229c5
MW
4246 if (!has_defaults) {
4247 default_monitor = 0;
4248 default_net = 0;
4249 default_vga = 0;
4250 }
986c5f78 4251
ab51b1d5
MT
4252 if (is_daemonized()) {
4253 /* According to documentation and historically, -nographic redirects
4254 * serial port, parallel port and monitor to stdio, which does not work
4255 * with -daemonize. We can redirect these to null instead, but since
4256 * -nographic is legacy, let's just error out.
4257 * We disallow -nographic only if all other ports are not redirected
4258 * explicitly, to not break existing legacy setups which uses
4259 * -nographic _and_ redirects all ports explicitly - this is valid
4260 * usage, -nographic is just a no-op in this case.
4261 */
cfc58cf3 4262 if (nographic
ab51b1d5
MT
4263 && (default_parallel || default_serial
4264 || default_monitor || default_virtcon)) {
4cd70f34 4265 error_report("-nographic cannot be used with -daemonize");
ab51b1d5
MT
4266 exit(1);
4267 }
4268#ifdef CONFIG_CURSES
e3af9f9a 4269 if (dpy.type == DISPLAY_TYPE_CURSES) {
4cd70f34 4270 error_report("curses display cannot be used with -daemonize");
ab51b1d5
MT
4271 exit(1);
4272 }
4273#endif
4274 }
4275
cfc58cf3 4276 if (nographic) {
6a5e8b0e
GH
4277 if (default_parallel)
4278 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH
4279 if (default_serial && default_monitor) {
4280 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH
4281 } else if (default_virtcon && default_monitor) {
4282 add_device_config(DEV_VIRTCON, "mon:stdio");
3ef669e1
AG
4283 } else if (default_sclp && default_monitor) {
4284 add_device_config(DEV_SCLP, "mon:stdio");
e1c09175
GH
4285 } else {
4286 if (default_serial)
4287 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH
4288 if (default_virtcon)
4289 add_device_config(DEV_VIRTCON, "stdio");
3ef669e1
AG
4290 if (default_sclp) {
4291 add_device_config(DEV_SCLP, "stdio");
4292 }
e1c09175 4293 if (default_monitor)
4821cd4c 4294 monitor_parse("stdio", "readline", false);
e1c09175 4295 }
998bbd74
GH
4296 } else {
4297 if (default_serial)
4298 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH
4299 if (default_parallel)
4300 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4301 if (default_monitor)
4821cd4c 4302 monitor_parse("vc:80Cx24C", "readline", false);
38536da1
AG
4303 if (default_virtcon)
4304 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3ef669e1
AG
4305 if (default_sclp) {
4306 add_device_config(DEV_SCLP, "vc:80Cx24C");
4307 }
bc0129d9
AL
4308 }
4309
006decd4
GH
4310#if defined(CONFIG_VNC)
4311 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4312 display_remote++;
4313 }
4314#endif
e3af9f9a 4315 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
15546425 4316#if defined(CONFIG_GTK)
0c8d7065 4317 dpy.type = DISPLAY_TYPE_GTK;
7b7d2be5 4318#elif defined(CONFIG_SDL)
fe91f36a 4319 dpy.type = DISPLAY_TYPE_SDL;
7b7d2be5 4320#elif defined(CONFIG_COCOA)
767f9bf3 4321 dpy.type = DISPLAY_TYPE_COCOA;
15546425 4322#elif defined(CONFIG_VNC)
70b94331 4323 vnc_parse("localhost:0,to=99,id=default", &error_abort);
15546425 4324#else
0c8d7065 4325 dpy.type = DISPLAY_TYPE_NONE;
15546425
AL
4326#endif
4327 }
4328
e3af9f9a 4329 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
f61eddcb
EH
4330 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4331 "for SDL, ignoring option");
047d4e15 4332 }
78782712 4333 if (dpy.has_window_close &&
e3af9f9a 4334 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
f61eddcb
EH
4335 error_report("-no-quit is only valid for GTK and SDL, "
4336 "ignoring option");
047d4e15
PW
4337 }
4338
e3af9f9a 4339 if (dpy.type == DISPLAY_TYPE_GTK) {
0c8d7065 4340 early_gtk_display_init(&dpy);
15546425 4341 }
19a2c626 4342
e3af9f9a 4343 if (dpy.type == DISPLAY_TYPE_SDL) {
fe91f36a 4344 sdl_display_early_init(&dpy);
0b71a5d5 4345 }
476db081 4346
777357d7
MAL
4347 qemu_console_early_init();
4348
9b9b46c7 4349 if (dpy.has_gl && dpy.gl && display_opengl == 0) {
0b71a5d5 4350#if defined(CONFIG_OPENGL)
8afb9000 4351 error_report("OpenGL is not supported by the display");
0b71a5d5 4352#else
5dfdae81 4353 error_report("OpenGL support is disabled");
0b71a5d5
GH
4354#endif
4355 exit(1);
4356 }
15546425 4357
87f50caa 4358 page_size_init();
a5829fd9
T
4359 socket_init();
4360
1c7ba94a 4361 if (qemu_opts_foreach(qemu_find_opts("object"),
90998d58 4362 user_creatable_add_opts_foreach,
51b9b478 4363 object_create_initial, NULL)) {
1a688d3b 4364 exit(1);
a4c7367f
MA
4365 }
4366
2c189a4e
DB
4367 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4368 chardev_init_func, NULL, NULL)) {
4369 exit(1);
4370 }
4371
758e8e38 4372#ifdef CONFIG_VIRTFS
28d0de7a
MA
4373 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4374 fsdev_init_func, NULL, NULL)) {
74db920c
GS
4375 exit(1);
4376 }
4377#endif
1a688d3b 4378
28d0de7a
MA
4379 if (qemu_opts_foreach(qemu_find_opts("device"),
4380 device_help_func, NULL, NULL)) {
3d1d9652
BR
4381 exit(0);
4382 }
4383
6b1b1440 4384 machine_opts = qemu_get_machine_opts();
71df1d83
MA
4385 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4386 NULL)) {
6b1b1440
MA
4387 object_unref(OBJECT(current_machine));
4388 exit(1);
4389 }
4390
f6a1ef64 4391 configure_accelerator(current_machine);
214910a7 4392
00b8ea4e
PX
4393 /*
4394 * Register all the global properties, including accel properties,
4395 * machine properties, and user-specified ones.
4396 */
4397 register_global_properties(current_machine);
4398
4399 /*
4400 * Migration object can only be created after global properties
4401 * are applied correctly.
4402 */
4403 migration_object_init();
4404
2c189a4e 4405 if (qtest_chrdev) {
007b0657 4406 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
2c189a4e
DB
4407 }
4408
2ff3de68
MA
4409 machine_opts = qemu_get_machine_opts();
4410 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4411 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4412 kernel_cmdline = qemu_opt_get(machine_opts, "append");
1442d3e6 4413 bios_name = qemu_opt_get(machine_opts, "firmware");
967c0da7 4414
8281abd5
MA
4415 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4416 if (opts) {
f05f47bb
GA
4417 boot_order = qemu_opt_get(opts, "order");
4418 if (boot_order) {
007b0657 4419 validate_bootdevices(boot_order, &error_fatal);
8281abd5
MA
4420 }
4421
f05f47bb
GA
4422 boot_once = qemu_opt_get(opts, "once");
4423 if (boot_once) {
007b0657 4424 validate_bootdevices(boot_once, &error_fatal);
8281abd5
MA
4425 }
4426
4427 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
e5187b56 4428 boot_strict = qemu_opt_get_bool(opts, "strict", false);
8281abd5
MA
4429 }
4430
f05f47bb
GA
4431 if (!boot_order) {
4432 boot_order = machine_class->default_boot_order;
4433 }
4434
a0abe474
PM
4435 if (!kernel_cmdline) {
4436 kernel_cmdline = "";
6b1b1440 4437 current_machine->kernel_cmdline = (char *)kernel_cmdline;
a0abe474
PM
4438 }
4439
a20dd508 4440 linux_boot = (kernel_filename != NULL);
6c41b272 4441
f8d39c01 4442 if (!linux_boot && *kernel_cmdline != '\0') {
f61eddcb 4443 error_report("-append only allowed with -kernel option");
f8d39c01
TS
4444 exit(1);
4445 }
4446
4447 if (!linux_boot && initrd_filename != NULL) {
f61eddcb 4448 error_report("-initrd only allowed with -kernel option");
f8d39c01
TS
4449 exit(1);
4450 }
4451
a59d31a1
LA
4452 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4453 /* fall back to the -kernel/-append */
4454 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4455 }
4456
9156d763 4457 os_set_line_buffering();
3b46e624 4458
ad1be899
AL
4459 /* spice needs the timers to be initialized by this point */
4460 qemu_spice_init();
ad1be899 4461
4603ea01 4462 cpu_ticks_init();
1ad9580b 4463 if (icount_opts) {
b0cb0a66
VP
4464 if (!tcg_enabled()) {
4465 error_report("-icount is not allowed with hardware virtualization");
1ad9580b
ST
4466 exit(1);
4467 }
4468 configure_icount(icount_opts, &error_abort);
4469 qemu_opts_del(icount_opts);
0abe905d 4470 }
634fce96 4471
e7b161d5
YZ
4472 if (tcg_enabled()) {
4473 qemu_tcg_configure(accel_opts, &error_fatal);
4474 }
83fd9629 4475
d30300f7
EH
4476 if (default_net) {
4477 QemuOptsList *net = qemu_find_opts("net");
4478 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4479#ifdef CONFIG_SLIRP
4480 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4481#endif
4482 }
4483
5821ebf9
HZ
4484 colo_info_init();
4485
dc1c9fe8
MM
4486 if (net_init_clients() < 0) {
4487 exit(1);
702c651c 4488 }
f1510b2c 4489
9abce56d 4490 if (qemu_opts_foreach(qemu_find_opts("object"),
90998d58 4491 user_creatable_add_opts_foreach,
51b9b478 4492 object_create_delayed, NULL)) {
9abce56d
YH
4493 exit(1);
4494 }
4495
d1a0cf73
SB
4496 if (tpm_init() < 0) {
4497 exit(1);
4498 }
d1a0cf73 4499
dc72ac14 4500 /* init the bluetooth world */
bd3c948d
GH
4501 if (foreach_device_config(DEV_BT, bt_parse))
4502 exit(1);
dc72ac14 4503
834e76ea
AP
4504 if (!xen_enabled()) {
4505 /* On 32-bit hosts, QEMU is limited by virtual address space */
4506 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
f61eddcb 4507 error_report("at most 2047 MB RAM can be simulated");
834e76ea
AP
4508 exit(1);
4509 }
4510 }
9ae02555 4511
c163b5ca 4512 blk_mig_init();
0d6ab3ab 4513 ram_mig_init();
c163b5ca 4514
16026518
JS
4515 /* If the currently selected machine wishes to override the units-per-bus
4516 * property of its default HBA interface type, do so now. */
4517 if (machine_class->units_per_default_bus) {
4518 override_max_devs(machine_class->block_default_type,
4519 machine_class->units_per_default_bus);
4520 }
4521
e4bcb14c 4522 /* open the virtual block devices */
42e5f393
MA
4523 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4524 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4525
4526 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4527 loc_push_restore(&bdo->loc);
4528 qmp_blockdev_add(bdo->bdo, &error_fatal);
4529 loc_pop(&bdo->loc);
4530 qapi_free_BlockdevOptions(bdo->bdo);
4531 g_free(bdo);
4532 }
4c27b859
PD
4533 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4534 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4535 NULL, NULL);
4536 }
2d0d2837 4537 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
28d0de7a 4538 &machine_class->block_default_type, NULL)) {
9dfd7c7a 4539 exit(1);
2d0d2837 4540 }
3e3d5815 4541
958db90c 4542 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
3c42ea66
CB
4543 CDROM_OPTS);
4544 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4545 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4e5d9b57 4546
28d0de7a
MA
4547 if (qemu_opts_foreach(qemu_find_opts("mon"),
4548 mon_init_func, NULL, NULL)) {
157b9319
JK
4549 exit(1);
4550 }
4551
998bbd74
GH
4552 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4553 exit(1);
6a5e8b0e
GH
4554 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4555 exit(1);
aee1b935
GH
4556 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4557 exit(1);
3ef669e1
AG
4558 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4559 exit(1);
4560 }
c9f398e5
PA
4561 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4562 exit(1);
2796dae0 4563
7f1b17f2 4564 /* If no default VGA is requested, the default is "none". */
3605ded5 4565 if (default_vga) {
6f00494a
GH
4566 if (machine_class->default_display) {
4567 vga_model = machine_class->default_display;
c2c7b22d 4568 } else if (vga_interface_available(VGA_CIRRUS)) {
3605ded5 4569 vga_model = "cirrus";
c2c7b22d 4570 } else if (vga_interface_available(VGA_STD)) {
3605ded5
AJ
4571 vga_model = "std";
4572 }
a369da5f 4573 }
d44229c5
MW
4574 if (vga_model) {
4575 select_vgahw(vga_model);
4576 }
a369da5f 4577
09aaa160
MA
4578 if (watchdog) {
4579 i = select_watchdog(watchdog);
4580 if (i > 0)
4581 exit (i == 1 ? 1 : 0);
4582 }
4583
8bd7f71d
PD
4584 /* This checkpoint is required by replay to separate prior clock
4585 reading from the other reads, because timer polling functions query
4586 clock values from the log. */
4587 replay_checkpoint(CHECKPOINT_INIT);
1de81d28
AL
4588 qdev_machine_init();
4589
3ef96221 4590 current_machine->ram_size = ram_size;
c270fb9e
IM
4591 current_machine->maxram_size = maxram_size;
4592 current_machine->ram_slots = ram_slots;
3ef96221 4593 current_machine->boot_order = boot_order;
3ef96221
MA
4594 current_machine->cpu_model = cpu_model;
4595
6063d4c0
IM
4596 /* parse features once if machine provides default cpu_type */
4597 if (machine_class->default_cpu_type) {
4598 current_machine->cpu_type = machine_class->default_cpu_type;
4599 if (cpu_model) {
4600 current_machine->cpu_type =
4601 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4602 }
4603 }
d342eb76 4604 parse_numa_opts(current_machine);
6063d4c0 4605
482dfe9a 4606 machine_run_board_init(current_machine);
3023f332 4607
28d16f38
HZ
4608 realtime_init();
4609
4c565674 4610 soundhw_init();
b3e6d591 4611
b0cb0a66
VP
4612 if (hax_enabled()) {
4613 hax_sync_vcpus();
4614 }
4615
81b2b810
GS
4616 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4617 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4618 exit(1);
4619 }
4620
3023f332 4621 /* init USB devices */
4bcbe0b6 4622 if (machine_usb(current_machine)) {
0752706d
MA
4623 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4624 exit(1);
3023f332
AL
4625 }
4626
79814179
TC
4627 /* Check if IGD GFX passthrough. */
4628 igd_gfx_passthru();
4629
bd3c948d 4630 /* init generic devices */
bab47d9a 4631 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
28d0de7a
MA
4632 if (qemu_opts_foreach(qemu_find_opts("device"),
4633 device_init_func, NULL, NULL)) {
bd3c948d 4634 exit(1);
a4c7367f 4635 }
9c6703fe 4636
3741c250
DL
4637 cpu_synchronize_all_post_init();
4638
bab47d9a 4639 rom_reset_order_override();
bd3c948d 4640
a64aa578
MA
4641 /*
4642 * Create frontends for -drive if=scsi leftovers.
4643 * Normally, frontends for -drive get created by machine
4644 * initialization for onboard SCSI HBAs. However, we create a few
4645 * more ever since SCSI qdevification, but this is pretty much an
4646 * implementation accident, and deprecated.
4647 */
fb8b660e
MA
4648 scsi_legacy_handle_cmdline();
4649
a66c9dc7
JS
4650 /* Did we create any drives that we failed to create a device for? */
4651 drive_check_orphaned();
4652
d30300f7
EH
4653 /* Don't warn about the default network setup that you get if
4654 * no command line -net or -netdev options are specified. There
4655 * are two cases that we would otherwise complain about:
4656 * (1) board doesn't support a NIC but the implicit "-net nic"
4657 * requested one
4658 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4659 * sets up a nic that isn't connected to anything.
4660 */
4661 if (!default_net) {
4662 net_check_clients();
4663 }
4664
668680f7 4665
f05f47bb 4666 if (boot_once) {
07d04a02 4667 qemu_boot_set(boot_once, &error_fatal);
f05f47bb
GA
4668 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4669 }
4670
64840c66 4671 ds = init_displaystate();
993fbfdb 4672
6b62dc2d 4673 /* init local displays */
e3af9f9a
GH
4674 switch (dpy.type) {
4675 case DISPLAY_TYPE_CURSES:
14f130fa 4676 curses_display_init(ds, &dpy);
993fbfdb 4677 break;
e3af9f9a 4678 case DISPLAY_TYPE_SDL:
fe91f36a 4679 sdl_display_init(ds, &dpy);
993fbfdb 4680 break;
e3af9f9a 4681 case DISPLAY_TYPE_COCOA:
767f9bf3 4682 cocoa_display_init(ds, &dpy);
993fbfdb 4683 break;
e3af9f9a 4684 case DISPLAY_TYPE_GTK:
0c8d7065 4685 gtk_display_init(ds, &dpy);
15546425 4686 break;
6b62dc2d
GH
4687 default:
4688 break;
4689 }
4690
0ce235a7
GN
4691 /* must be after terminal init, SDL library changes signal handlers */
4692 os_setup_signal_handling();
4693
6b62dc2d 4694 /* init remote displays */
a663fbd9 4695#ifdef CONFIG_VNC
28d0de7a
MA
4696 qemu_opts_foreach(qemu_find_opts("vnc"),
4697 vnc_init_func, NULL, NULL);
a663fbd9 4698#endif
f8c75b24 4699
9fa03286
GH
4700 if (using_spice) {
4701 qemu_spice_display_init();
a3e22260 4702 }
5b08fc10 4703
371ec54e 4704#ifdef CONFIG_OPENGL_DMABUF
e3af9f9a 4705 if (dpy.type == DISPLAY_TYPE_EGL_HEADLESS) {
0d2dd9f0 4706 egl_headless_init(&dpy);
bb1599b6
GH
4707 }
4708#endif
4709
ef0c4a0d 4710 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
59030a8c 4711 exit(1);
45669e00 4712 }
45669e00 4713
3418bd25
GH
4714 qdev_machine_creation_done();
4715
80376c3f
IY
4716 /* TODO: once all bus devices are qdevified, this should be done
4717 * when bus is created by qdev.c */
4718 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4cab946a
GN
4719 qemu_run_machine_init_done_notifiers();
4720
6b3f7f63 4721 if (rom_check_and_register_reset() != 0) {
f61eddcb 4722 error_report("rom check and register reset failed");
6b3f7f63
EA
4723 exit(1);
4724 }
d916b464 4725
7615936e
PD
4726 replay_start();
4727
8bd7f71d
PD
4728 /* This checkpoint is required by replay to separate prior clock
4729 reading from the other reads, because timer polling functions query
4730 clock values from the log. */
4731 replay_checkpoint(CHECKPOINT_RESET);
aedbe192 4732 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
48212d87 4733 register_global_state();
9c2037d0
PD
4734 if (replay_mode != REPLAY_MODE_NONE) {
4735 replay_vmstate_init();
4736 } else if (loadvm) {
927d6638 4737 Error *local_err = NULL;
5e22479a 4738 if (load_snapshot(loadvm, &local_err) < 0) {
927d6638 4739 error_report_err(local_err);
05f2401e
JQ
4740 autostart = 0;
4741 }
4742 }
d63d307f 4743
d828c430 4744 qdev_prop_check_globals();
abfd9ce3
AS
4745 if (vmstate_dump_file) {
4746 /* dump and exit */
4747 dump_vmstate_json_to_file(vmstate_dump_file);
4748 return 0;
4749 }
9f9260a3 4750
2bb8c10c 4751 if (incoming) {
43eaae28
PB
4752 Error *local_err = NULL;
4753 qemu_start_incoming_migration(incoming, &local_err);
4754 if (local_err) {
c29b77f9 4755 error_reportf_err(local_err, "-incoming %s: ", incoming);
43eaae28 4756 exit(1);
8ca5e801 4757 }
6b99dadc 4758 } else if (autostart) {
c0f4ce77 4759 vm_start();
6b99dadc 4760 }
ffd843bc 4761
eb505be1 4762 os_setup_post();
71e3ceb8 4763
8a7ddc38 4764 main_loop();
7615936e
PD
4765 replay_disable_events();
4766
00d09fdb
SH
4767 /* The ordering of the following is delicate. Stop vcpus to prevent new
4768 * I/O requests being queued by the guest. Then stop IOThreads (this
4769 * includes a drain operation and completes all request processing). At
4770 * this point emulated devices are still associated with their IOThreads
4771 * (if any) but no longer have any work to do. Only then can we close
4772 * block devices safely because we know there is no more I/O coming.
4773 */
99435906 4774 pause_all_vcpus();
00d09fdb 4775 iothread_stop_all();
452589b6 4776 bdrv_close_all();
00d09fdb 4777
3d3b8303 4778 res_free();
b46a8906 4779
aa5cb7f5 4780 /* vhost-user must be cleaned up before chardevs. */
c37cacab 4781 tpm_cleanup();
8caf911d 4782 net_cleanup();
a384c205 4783 audio_cleanup();
2ef45716 4784 monitor_cleanup();
aa5cb7f5 4785 qemu_chr_cleanup();
9d5139e5 4786 user_creatable_cleanup();
1f895604 4787 migration_object_finalize();
474628e8 4788 /* TODO: unref root container, check all devices are ok */
8caf911d 4789
0824d6fc
FB
4790 return 0;
4791}