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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
[mirror_qemu.git] / vl.c
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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;
0b71a5d5 139int request_opengl = -1;
da076ffe 140int display_opengl;
3d11d0eb 141const char* keyboard_layout = NULL;
c227f099 142ram_addr_t ram_size;
c902760f 143const char *mem_path = NULL;
c902760f 144int mem_prealloc = 0; /* force preallocation of physical target memory */
28d16f38 145bool enable_mlock = false;
c4b1fcc0 146int nb_nics;
7c9d8e07 147NICInfo nd_table[MAX_NICS];
d399f677 148int autostart;
f6503059
AZ		 149static int rtc_utc = 1;
150static int rtc_date_offset = -1; /* -1 means no change */
884f17c2 151QEMUClockType rtc_clock;
64465297 152int vga_interface_type = VGA_NONE;
dbed7e40 153static int full_screen = 0;
04ff1a39 154int no_frame;
667accab 155int no_quit = 0;
881249c7 156static bool grab_on_hover;
0ec7b3e7
MAL		 157Chardev *serial_hds[MAX_SERIAL_PORTS];
158Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160Chardev *sclp_hds[MAX_SCLP_CONSOLES];
a09db21f 161int win2k_install_hack = 0;
1b530a6d 162int singlestep = 0;
72649619
EC		 163int smp_cpus;
164unsigned int max_cpus;
dc6b1c09
AP		 165int smp_cores = 1;
166int smp_threads = 1;
6515b203 167int acpi_enabled = 1;
16b29ae1 168int no_hpet = 0;
52ca8d6a 169int fd_bootchk = 1;
4fdcac0e 170static int no_reboot;
b2f76161 171int no_shutdown = 0;
9467cd46 172int cursor_hide = 1;
a171fe39 173int graphic_rotate = 0;
09aaa160 174const char *watchdog;
2e55e842 175QEMUOptionRom option_rom[MAX_OPTION_ROMS];
9ae02555 176int nb_option_roms;
2b8f2d41 177int old_param = 0;
c35734b2 178const char *qemu_name;
3780e197 179int alt_grab = 0;
0ca9f8a4 180int ctrl_grab = 0;
66508601
BS		 181unsigned int nb_prom_envs = 0;
182const char *prom_envs[MAX_PROM_ENVS];
95387491 183int boot_menu;
bc74112f 184bool boot_strict;
3d3b8303 185uint8_t *boot_splash_filedata;
d09acb9b 186size_t boot_splash_filedata_size;
3d3b8303 187uint8_t qemu_extra_params_fw[2];
0824d6fc 188
a8bfac37 189int icount_align_option;
1ca4d09a 190
9c5ce8db 191/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
caad057b
EH		 192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
9c5ce8db 194QemuUUID qemu_uuid;
fc3b3295 195bool qemu_uuid_set;
8fcb1b90 196
fd42deeb
GH		 197static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
4cab946a
GN		 200static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
d5286af5 203bool xen_allowed;
d745bef8
BS		 204uint32_t xen_domid;
205enum xen_mode xen_mode = XEN_EMULATE;
1c599472 206bool xen_domid_restrict;
d745bef8 207
d44229c5 208static int has_defaults = 1;
998bbd74 209static int default_serial = 1;
6a5e8b0e 210static int default_parallel = 1;
986c5f78 211static int default_virtcon = 1;
3ef669e1 212static int default_sclp = 1;
abdeed06 213static int default_monitor = 1;
ac33f8fa
GH		 214static int default_floppy = 1;
215static int default_cdrom = 1;
216static int default_sdcard = 1;
7f1b17f2 217static int default_vga = 1;
d30300f7 218static int default_net = 1;
998bbd74
GH		 219
220static struct {
221 const char *driver;
222 int *flag;
223} default_list[] = {
6a5e8b0e
GH		 224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf 226 { .driver = "isa-fdc", .flag = &default_floppy },
a92bd191 227 { .driver = "floppy", .flag = &default_floppy },
af6bf132
MA		 228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
d8bcbabf 230 { .driver = "ide-drive", .flag = &default_cdrom },
af6bf132 231 { .driver = "scsi-cd", .flag = &default_cdrom },
f6f99b48 232 { .driver = "scsi-hd", .flag = &default_cdrom },
392ecf54 233 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
392ecf54 234 { .driver = "virtio-serial", .flag = &default_virtcon },
7f1b17f2
PB		 235 { .driver = "VGA", .flag = &default_vga },
236 { .driver = "isa-vga", .flag = &default_vga },
237 { .driver = "cirrus-vga", .flag = &default_vga },
238 { .driver = "isa-cirrus-vga", .flag = &default_vga },
239 { .driver = "vmware-svga", .flag = &default_vga },
240 { .driver = "qxl-vga", .flag = &default_vga },
a94f0c5c 241 { .driver = "virtio-vga", .flag = &default_vga },
998bbd74
GH		 242};
243
4d454574
PB		 244static QemuOptsList qemu_rtc_opts = {
245 .name = "rtc",
246 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
247 .desc = {
248 {
249 .name = "base",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "clock",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "driftfix",
256 .type = QEMU_OPT_STRING,
257 },
258 { /* end of list */ }
259 },
260};
261
262static QemuOptsList qemu_sandbox_opts = {
263 .name = "sandbox",
264 .implied_opt_name = "enable",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
266 .desc = {
267 {
268 .name = "enable",
269 .type = QEMU_OPT_BOOL,
270 },
2b716fa6
EO		 271 {
272 .name = "obsolete",
273 .type = QEMU_OPT_STRING,
274 },
73a1e647
EO		 275 {
276 .name = "elevateprivileges",
277 .type = QEMU_OPT_STRING,
278 },
995a226f
EO		 279 {
280 .name = "spawn",
281 .type = QEMU_OPT_STRING,
282 },
24f8cdc5
EO		 283 {
284 .name = "resourcecontrol",
285 .type = QEMU_OPT_STRING,
286 },
4d454574
PB		 287 { /* end of list */ }
288 },
289};
290
4d454574
PB		 291static QemuOptsList qemu_option_rom_opts = {
292 .name = "option-rom",
293 .implied_opt_name = "romfile",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
295 .desc = {
296 {
297 .name = "bootindex",
298 .type = QEMU_OPT_NUMBER,
299 }, {
300 .name = "romfile",
301 .type = QEMU_OPT_STRING,
302 },
303 { /* end of list */ }
304 },
305};
306
307static QemuOptsList qemu_machine_opts = {
308 .name = "machine",
309 .implied_opt_name = "type",
310 .merge_lists = true,
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
312 .desc = {
49d2e648
MA		 313 /*
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
317 */
318 { }
4d454574
PB		 319 },
320};
321
8d4e9146
FK		 322static QemuOptsList qemu_accel_opts = {
323 .name = "accel",
324 .implied_opt_name = "accel",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
326 .merge_lists = true,
327 .desc = {
328 {
329 .name = "accel",
330 .type = QEMU_OPT_STRING,
331 .help = "Select the type of accelerator",
332 },
333 {
334 .name = "thread",
335 .type = QEMU_OPT_STRING,
336 .help = "Enable/disable multi-threaded TCG",
337 },
338 { /* end of list */ }
339 },
340};
341
4d454574
PB		 342static QemuOptsList qemu_boot_opts = {
343 .name = "boot-opts",
6ef4716c
MA		 344 .implied_opt_name = "order",
345 .merge_lists = true,
4d454574
PB		 346 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
347 .desc = {
4d454574
PB		 348 {
349 .name = "order",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "once",
353 .type = QEMU_OPT_STRING,
354 }, {
355 .name = "menu",
6ef4716c 356 .type = QEMU_OPT_BOOL,
4d454574
PB		 357 }, {
358 .name = "splash",
359 .type = QEMU_OPT_STRING,
360 }, {
361 .name = "splash-time",
362 .type = QEMU_OPT_STRING,
363 }, {
364 .name = "reboot-timeout",
365 .type = QEMU_OPT_STRING,
c8a6ae8b
AK		 366 }, {
367 .name = "strict",
e5187b56 368 .type = QEMU_OPT_BOOL,
4d454574
PB		 369 },
370 { /*End of list */ }
371 },
372};
373
374static QemuOptsList qemu_add_fd_opts = {
375 .name = "add-fd",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
377 .desc = {
378 {
379 .name = "fd",
380 .type = QEMU_OPT_NUMBER,
381 .help = "file descriptor of which a duplicate is added to fd set",
382 },{
383 .name = "set",
384 .type = QEMU_OPT_NUMBER,
385 .help = "ID of the fd set to add fd to",
386 },{
387 .name = "opaque",
388 .type = QEMU_OPT_STRING,
389 .help = "free-form string used to describe fd",
390 },
391 { /* end of list */ }
392 },
393};
394
395static QemuOptsList qemu_object_opts = {
396 .name = "object",
397 .implied_opt_name = "qom-type",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
399 .desc = {
400 { }
401 },
402};
403
d1a0cf73
SB		 404static QemuOptsList qemu_tpmdev_opts = {
405 .name = "tpmdev",
406 .implied_opt_name = "type",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
408 .desc = {
bb716238 409 /* options are defined in the TPM backends */
d1a0cf73
SB		 410 { /* end of list */ }
411 },
412};
413
888a6bc6
SM		 414static QemuOptsList qemu_realtime_opts = {
415 .name = "realtime",
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
417 .desc = {
418 {
419 .name = "mlock",
420 .type = QEMU_OPT_BOOL,
421 },
422 { /* end of list */ }
423 },
424};
425
5e2ac519
SA		 426static QemuOptsList qemu_msg_opts = {
427 .name = "msg",
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
429 .desc = {
430 {
431 .name = "timestamp",
432 .type = QEMU_OPT_BOOL,
433 },
434 { /* end of list */ }
435 },
436};
437
5d12f961
DDAG		 438static QemuOptsList qemu_name_opts = {
439 .name = "name",
440 .implied_opt_name = "guest",
441 .merge_lists = true,
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
443 .desc = {
444 {
445 .name = "guest",
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the guest.\n"
448 "This name will be displayed in the SDL window caption.\n"
449 "The name will also be used for the VNC server",
450 }, {
451 .name = "process",
452 .type = QEMU_OPT_STRING,
453 .help = "Sets the name of the QEMU process, as shown in top etc",
8f480de0
DDAG		 454 }, {
455 .name = "debug-threads",
456 .type = QEMU_OPT_BOOL,
457 .help = "When enabled, name the individual threads; defaults off.\n"
458 "NOTE: The thread names are for debugging and not a\n"
459 "stable API.",
5d12f961
DDAG		 460 },
461 { /* End of list */ }
462 },
463};
464
6e1d3c1c
IM		 465static QemuOptsList qemu_mem_opts = {
466 .name = "memory",
467 .implied_opt_name = "size",
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
469 .merge_lists = true,
470 .desc = {
471 {
472 .name = "size",
473 .type = QEMU_OPT_SIZE,
474 },
c270fb9e
IM		 475 {
476 .name = "slots",
477 .type = QEMU_OPT_NUMBER,
478 },
479 {
480 .name = "maxmem",
481 .type = QEMU_OPT_SIZE,
482 },
6e1d3c1c
IM		 483 { /* end of list */ }
484 },
485};
486
1ad9580b
ST		 487static QemuOptsList qemu_icount_opts = {
488 .name = "icount",
489 .implied_opt_name = "shift",
490 .merge_lists = true,
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
492 .desc = {
493 {
494 .name = "shift",
495 .type = QEMU_OPT_STRING,
a8bfac37
ST		 496 }, {
497 .name = "align",
498 .type = QEMU_OPT_BOOL,
f1f4b57e
VC		 499 }, {
500 .name = "sleep",
501 .type = QEMU_OPT_BOOL,
4c27b859
PD		 502 }, {
503 .name = "rr",
504 .type = QEMU_OPT_STRING,
505 }, {
506 .name = "rrfile",
507 .type = QEMU_OPT_STRING,
9c2037d0
PD		 508 }, {
509 .name = "rrsnapshot",
510 .type = QEMU_OPT_STRING,
1ad9580b
ST		 511 },
512 { /* end of list */ }
513 },
514};
515
a38bb079
LI		 516static QemuOptsList qemu_semihosting_config_opts = {
517 .name = "semihosting-config",
518 .implied_opt_name = "enable",
519 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
520 .desc = {
521 {
522 .name = "enable",
523 .type = QEMU_OPT_BOOL,
524 }, {
525 .name = "target",
526 .type = QEMU_OPT_STRING,
a59d31a1
LA		 527 }, {
528 .name = "arg",
529 .type = QEMU_OPT_STRING,
a38bb079
LI		 530 },
531 { /* end of list */ }
532 },
533};
534
81b2b810
GS		 535static QemuOptsList qemu_fw_cfg_opts = {
536 .name = "fw_cfg",
537 .implied_opt_name = "name",
538 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
539 .desc = {
540 {
541 .name = "name",
542 .type = QEMU_OPT_STRING,
543 .help = "Sets the fw_cfg name of the blob to be inserted",
544 }, {
545 .name = "file",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the name of the file from which\n"
548 "the fw_cfg blob will be loaded",
6407d76e
GS		 549 }, {
550 .name = "string",
551 .type = QEMU_OPT_STRING,
552 .help = "Sets content of the blob to be inserted from a string",
81b2b810
GS		 553 },
554 { /* end of list */ }
555 },
556};
557
7f9d6e54
MA		 558/**
559 * Get machine options
560 *
561 * Returns: machine options (never null).
562 */
563QemuOpts *qemu_get_machine_opts(void)
564{
e96e5ae8 565 return qemu_find_opts_singleton("machine");
7f9d6e54
MA		 566}
567
31459f46
RS		 568const char *qemu_get_vm_name(void)
569{
570 return qemu_name;
571}
572
3d3b8303
WX		 573static void res_free(void)
574{
012aef07
MA		 575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
3d3b8303
WX		 577}
578
28d0de7a 579static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
998bbd74
GH		 580{
581 const char *driver = qemu_opt_get(opts, "driver");
582 int i;
583
584 if (!driver)
585 return 0;
586 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
587 if (strcmp(default_list[i].driver, driver) != 0)
588 continue;
589 *(default_list[i].flag) = 0;
590 }
591 return 0;
592}
593
f5bbfba1
LC		 594/***********************************************************/
595/* QEMU state */
596
0461d5a6 597static RunState current_run_state = RUN_STATE_PRELAUNCH;
f5bbfba1 598
7fb1cf16
EB		 599/* We use RUN_STATE__MAX but any invalid value will do */
600static RunState vmstop_requested = RUN_STATE__MAX;
74892d24
PB		 601static QemuMutex vmstop_lock;
602
5db9d4d1
LC		 603typedef struct {
604 RunState from;
605 RunState to;
606} RunStateTransition;
607
608static const RunStateTransition runstate_transitions_def[] = {
609 /* from -> to */
0461d5a6 610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
eca01d3a 611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
5db9d4d1 613
ca3fc39e
JQ		 614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
29ed72f1 616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
ca3fc39e
JQ		 617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
2a6e6e59 622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
98799b0d
PB		 623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
21142ba7 625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
5db9d4d1 626
0461d5a6 627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
8a9236f1 628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 630
0461d5a6 631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
8a9236f1 632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 634
0461d5a6 635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
8a9236f1 636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
505d786f 637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
7ec13c79 638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
21142ba7 639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
5db9d4d1 640
0461d5a6 641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
8a9236f1 642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
7ec13c79 643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
5db9d4d1 644
0461d5a6 645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
8a9236f1 646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
0461d5a6 647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
5db9d4d1 648
0461d5a6 649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
505d786f 650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
0461d5a6 651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
7ec13c79 652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
21142ba7 653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
5db9d4d1 654
0461d5a6 655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
7ec13c79 656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
5db9d4d1 657
21142ba7
HZ		 658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
0461d5a6
LC		 660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
ede085b3 669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
21142ba7 670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
5db9d4d1 671
0461d5a6 672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
5db9d4d1 673
0461d5a6 674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
8a9236f1 675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
7ec13c79 676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
5db9d4d1 677
ad02b96a
LC		 678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
21142ba7 683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
ad02b96a 684
0461d5a6 685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
8a9236f1 686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
21142ba7 688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
5db9d4d1 689
df390768 690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
fd2a2e1c 691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
ede085b3 693
7fb1cf16 694 { RUN_STATE__MAX, RUN_STATE__MAX },
5db9d4d1
LC		 695};
696
7fb1cf16 697static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
0461d5a6 698
f5bbfba1
LC		 699bool runstate_check(RunState state)
700{
701 return current_run_state == state;
702}
703
5e0f1940
JQ		 704bool runstate_store(char *str, size_t size)
705{
977c736f 706 const char *state = RunState_str(current_run_state);
5e0f1940
JQ		 707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714}
715
4fdcac0e 716static void runstate_init(void)
5db9d4d1
LC		 717{
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
7fb1cf16 721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
5db9d4d1
LC		 722 runstate_valid_transitions[p->from][p->to] = true;
723 }
74892d24
PB		 724
725 qemu_mutex_init(&vmstop_lock);
5db9d4d1
LC		 726}
727
728/* This function will abort() on invalid state transitions */
f5bbfba1
LC		 729void runstate_set(RunState new_state)
730{
7fb1cf16 731 assert(new_state < RUN_STATE__MAX);
207c5cd2 732
e92a2d9c
LZ		 733 if (current_run_state == new_state) {
734 return;
735 }
736
207c5cd2 737 if (!runstate_valid_transitions[current_run_state][new_state]) {
f61eddcb 738 error_report("invalid runstate transition: '%s' -> '%s'",
977c736f
MA		 739 RunState_str(current_run_state),
740 RunState_str(new_state));
5db9d4d1
LC		 741 abort();
742 }
7e866003 743 trace_runstate_set(new_state);
f5bbfba1
LC		 744 current_run_state = new_state;
745}
746
1fa9a5e4 747int runstate_is_running(void)
9e37b9dc 748{
1fa9a5e4 749 return runstate_check(RUN_STATE_RUNNING);
9e37b9dc
LC		 750}
751
ede085b3
HT		 752bool runstate_needs_reset(void)
753{
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
df390768 755 runstate_check(RUN_STATE_SHUTDOWN);
ede085b3
HT		 756}
757
1fa9a5e4 758StatusInfo *qmp_query_status(Error **errp)
1354869c 759{
1fa9a5e4
LC		 760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
1354869c
LC		 767}
768
2d76e823 769bool qemu_vmstop_requested(RunState *r)
74892d24
PB		 770{
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
7fb1cf16 773 vmstop_requested = RUN_STATE__MAX;
74892d24 774 qemu_mutex_unlock(&vmstop_lock);
7fb1cf16 775 return *r < RUN_STATE__MAX;
74892d24
PB		 776}
777
778void qemu_system_vmstop_request_prepare(void)
779{
780 qemu_mutex_lock(&vmstop_lock);
781}
782
783void qemu_system_vmstop_request(RunState state)
784{
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788}
789
8f0056b7
PB		 790/***********************************************************/
791/* real time host monotonic timer */
09b26c5e 792
2ed1ebcf
PD		 793static time_t qemu_time(void)
794{
795 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
796}
797
f6503059
AZ		 798/***********************************************************/
799/* host time/date access */
800void qemu_get_timedate(struct tm *tm, int offset)
801{
2ed1ebcf 802 time_t ti = qemu_time();
f6503059 803
f6503059
AZ		 804 ti += offset;
805 if (rtc_date_offset == -1) {
806 if (rtc_utc)
eb7ff6fb 807 gmtime_r(&ti, tm);
f6503059 808 else
eb7ff6fb 809 localtime_r(&ti, tm);
f6503059
AZ		 810 } else {
811 ti -= rtc_date_offset;
eb7ff6fb 812 gmtime_r(&ti, tm);
f6503059 813 }
f6503059
AZ		 814}
815
816int qemu_timedate_diff(struct tm *tm)
817{
818 time_t seconds;
819
820 if (rtc_date_offset == -1)
821 if (rtc_utc)
822 seconds = mktimegm(tm);
f54c556c
GN		 823 else {
824 struct tm tmp = *tm;
825 tmp.tm_isdst = -1; /* use timezone to figure it out */
826 seconds = mktime(&tmp);
827 }
f6503059
AZ		 828 else
829 seconds = mktimegm(tm) + rtc_date_offset;
830
2ed1ebcf 831 return seconds - qemu_time();
f6503059
AZ		 832}
833
1ed2fc1f
JK		 834static void configure_rtc_date_offset(const char *startdate, int legacy)
835{
836 time_t rtc_start_date;
837 struct tm tm;
838
839 if (!strcmp(startdate, "now") && legacy) {
840 rtc_date_offset = -1;
841 } else {
842 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
843 &tm.tm_year,
844 &tm.tm_mon,
845 &tm.tm_mday,
846 &tm.tm_hour,
847 &tm.tm_min,
848 &tm.tm_sec) == 6) {
849 /* OK */
850 } else if (sscanf(startdate, "%d-%d-%d",
851 &tm.tm_year,
852 &tm.tm_mon,
853 &tm.tm_mday) == 3) {
854 tm.tm_hour = 0;
855 tm.tm_min = 0;
856 tm.tm_sec = 0;
857 } else {
858 goto date_fail;
859 }
860 tm.tm_year -= 1900;
861 tm.tm_mon--;
862 rtc_start_date = mktimegm(&tm);
863 if (rtc_start_date == -1) {
864 date_fail:
f61eddcb
EH		 865 error_report("invalid date format");
866 error_printf("valid formats: "
867 "'2006-06-17T16:01:21' or '2006-06-17'\n");
1ed2fc1f
JK		 868 exit(1);
869 }
2ed1ebcf 870 rtc_date_offset = qemu_time() - rtc_start_date;
1ed2fc1f
JK		 871 }
872}
873
874static void configure_rtc(QemuOpts *opts)
875{
876 const char *value;
877
878 value = qemu_opt_get(opts, "base");
879 if (value) {
880 if (!strcmp(value, "utc")) {
881 rtc_utc = 1;
882 } else if (!strcmp(value, "localtime")) {
0194749a 883 Error *blocker = NULL;
1ed2fc1f 884 rtc_utc = 0;
0194749a
PD		 885 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
886 "-rtc base=localtime");
887 replay_add_blocker(blocker);
1ed2fc1f
JK		 888 } else {
889 configure_rtc_date_offset(value, 0);
890 }
891 }
6875204c
JK		 892 value = qemu_opt_get(opts, "clock");
893 if (value) {
894 if (!strcmp(value, "host")) {
884f17c2 895 rtc_clock = QEMU_CLOCK_HOST;
78808141 896 } else if (!strcmp(value, "rt")) {
884f17c2 897 rtc_clock = QEMU_CLOCK_REALTIME;
6875204c 898 } else if (!strcmp(value, "vm")) {
884f17c2 899 rtc_clock = QEMU_CLOCK_VIRTUAL;
6875204c 900 } else {
f61eddcb 901 error_report("invalid option value '%s'", value);
6875204c
JK		 902 exit(1);
903 }
904 }
1ed2fc1f
JK		 905 value = qemu_opt_get(opts, "driftfix");
906 if (value) {
7e4c0336 907 if (!strcmp(value, "slew")) {
16714b16
EH		 908 static GlobalProperty slew_lost_ticks = {
909 .driver = "mc146818rtc",
910 .property = "lost_tick_policy",
911 .value = "slew",
433acf0d
JK		 912 };
913
16714b16 914 qdev_prop_register_global(&slew_lost_ticks);
7e4c0336 915 } else if (!strcmp(value, "none")) {
433acf0d 916 /* discard is default */
1ed2fc1f 917 } else {
f61eddcb 918 error_report("invalid option value '%s'", value);
1ed2fc1f
JK		 919 exit(1);
920 }
921 }
1ed2fc1f
JK		 922}
923
1ae26a18
AZ		 924/***********************************************************/
925/* Bluetooth support */
926static int nb_hcis;
927static int cur_hci;
928static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 929
1ae26a18
AZ		 930struct HCIInfo *qemu_next_hci(void)
931{
932 if (cur_hci == nb_hcis)
933 return &null_hci;
934
935 return hci_table[cur_hci++];
936}
937
dc72ac14
AZ		 938static int bt_hci_parse(const char *str)
939{
940 struct HCIInfo *hci;
c227f099 941 bdaddr_t bdaddr;
dc72ac14
AZ		 942
943 if (nb_hcis >= MAX_NICS) {
3e515373 944 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
dc72ac14
AZ		 945 return -1;
946 }
947
948 hci = hci_init(str);
949 if (!hci)
950 return -1;
951
952 bdaddr.b[0] = 0x52;
953 bdaddr.b[1] = 0x54;
954 bdaddr.b[2] = 0x00;
955 bdaddr.b[3] = 0x12;
956 bdaddr.b[4] = 0x34;
957 bdaddr.b[5] = 0x56 + nb_hcis;
958 hci->bdaddr_set(hci, bdaddr.b);
959
960 hci_table[nb_hcis++] = hci;
961
962 return 0;
963}
964
965static void bt_vhci_add(int vlan_id)
966{
967 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
3dc6f869
AF		 970 warn_report("adding a VHCI to an empty scatternet %i",
971 vlan_id);
dc72ac14
AZ		 972
973 bt_vhci_init(bt_new_hci(vlan));
974}
975
976static struct bt_device_s *bt_device_add(const char *opt)
977{
978 struct bt_scatternet_s *vlan;
979 int vlan_id = 0;
980 char *endp = strstr(opt, ",vlan=");
981 int len = (endp ? endp - opt : strlen(opt)) + 1;
982 char devname[10];
983
984 pstrcpy(devname, MIN(sizeof(devname), len), opt);
985
986 if (endp) {
987 vlan_id = strtol(endp + 6, &endp, 0);
988 if (*endp) {
f61eddcb 989 error_report("unrecognised bluetooth vlan Id");
dc72ac14
AZ		 990 return 0;
991 }
992 }
993
994 vlan = qemu_find_bt_vlan(vlan_id);
995
996 if (!vlan->slave)
3dc6f869
AF		 997 warn_report("adding a slave device to an empty scatternet %i",
998 vlan_id);
dc72ac14
AZ		 999
1000 if (!strcmp(devname, "keyboard"))
1001 return bt_keyboard_init(vlan);
1002
4cd70f34 1003 error_report("unsupported bluetooth device '%s'", devname);
dc72ac14
AZ		 1004 return 0;
1005}
1006
1007static int bt_parse(const char *opt)
1008{
1009 const char *endp, *p;
1010 int vlan;
1011
1012 if (strstart(opt, "hci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp)
1015 if (!strstart(endp, ",vlan=", 0))
1016 opt = endp + 1;
1017
1018 return bt_hci_parse(opt);
1019 }
1020 } else if (strstart(opt, "vhci", &endp)) {
1021 if (!*endp || *endp == ',') {
1022 if (*endp) {
1023 if (strstart(endp, ",vlan=", &p)) {
1024 vlan = strtol(p, (char **) &endp, 0);
1025 if (*endp) {
f61eddcb 1026 error_report("bad scatternet '%s'", p);
dc72ac14
AZ		 1027 return 1;
1028 }
1029 } else {
f61eddcb 1030 error_report("bad parameter '%s'", endp + 1);
dc72ac14
AZ		 1031 return 1;
1032 }
1033 } else
1034 vlan = 0;
1035
1036 bt_vhci_add(vlan);
1037 return 0;
1038 }
1039 } else if (strstart(opt, "device:", &endp))
1040 return !bt_device_add(endp);
1041
f61eddcb 1042 error_report("bad bluetooth parameter '%s'", opt);
dc72ac14
AZ		 1043 return 1;
1044}
1045
28d0de7a 1046static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
7d76ad4f 1047{
7d76ad4f
EO		 1048 if (qemu_opt_get_bool(opts, "enable", false)) {
1049#ifdef CONFIG_SECCOMP
2b716fa6
EO		 1050 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1051 | QEMU_SECCOMP_SET_OBSOLETE;
1052 const char *value = NULL;
1053
1054 value = qemu_opt_get(opts, "obsolete");
1055 if (value) {
1056 if (g_str_equal(value, "allow")) {
1057 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1058 } else if (g_str_equal(value, "deny")) {
1059 /* this is the default option, this if is here
1060 * to provide a little bit of consistency for
1061 * the command line */
1062 } else {
1063 error_report("invalid argument for obsolete");
1064 return -1;
1065 }
1066 }
1067
73a1e647
EO		 1068 value = qemu_opt_get(opts, "elevateprivileges");
1069 if (value) {
1070 if (g_str_equal(value, "deny")) {
1071 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1072 } else if (g_str_equal(value, "children")) {
1073 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1074
1075 /* calling prctl directly because we're
1076 * not sure if host has CAP_SYS_ADMIN set*/
1077 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1078 error_report("failed to set no_new_privs "
1079 "aborting");
1080 return -1;
1081 }
1082 } else if (g_str_equal(value, "allow")) {
1083 /* default value */
1084 } else {
1085 error_report("invalid argument for elevateprivileges");
1086 return -1;
1087 }
1088 }
1089
995a226f
EO		 1090 value = qemu_opt_get(opts, "spawn");
1091 if (value) {
1092 if (g_str_equal(value, "deny")) {
1093 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1094 } else if (g_str_equal(value, "allow")) {
1095 /* default value */
1096 } else {
1097 error_report("invalid argument for spawn");
1098 return -1;
1099 }
1100 }
1101
24f8cdc5
EO		 1102 value = qemu_opt_get(opts, "resourcecontrol");
1103 if (value) {
1104 if (g_str_equal(value, "deny")) {
1105 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1106 } else if (g_str_equal(value, "allow")) {
1107 /* default value */
1108 } else {
1109 error_report("invalid argument for resourcecontrol");
1110 return -1;
1111 }
1112 }
1113
2b716fa6 1114 if (seccomp_start(seccomp_opts) < 0) {
1459407e
MA		 1115 error_report("failed to install seccomp syscall filter "
1116 "in the kernel");
7d76ad4f
EO		 1117 return -1;
1118 }
1119#else
5dfdae81 1120 error_report("seccomp support is disabled");
7d76ad4f
EO		 1121 return -1;
1122#endif
1123 }
1124
1125 return 0;
1126}
1127
28d0de7a 1128static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
5d12f961
DDAG		 1129{
1130 const char *proc_name;
1131
8f480de0
DDAG		 1132 if (qemu_opt_get(opts, "debug-threads")) {
1133 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1134 }
5d12f961
DDAG		 1135 qemu_name = qemu_opt_get(opts, "guest");
1136
1137 proc_name = qemu_opt_get(opts, "process");
1138 if (proc_name) {
1139 os_set_proc_name(proc_name);
1140 }
5b9d313e
DDAG		 1141
1142 return 0;
5d12f961
DDAG		 1143}
1144
f8b6f8ed
MA		 1145bool defaults_enabled(void)
1146{
1147 return has_defaults;
1148}
1149
587ed6be 1150#ifndef _WIN32
28d0de7a 1151static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 1152{
1153 int fd, dupfd, flags;
1154 int64_t fdset_id;
1155 const char *fd_opaque = NULL;
636a30a8 1156 AddfdInfo *fdinfo;
587ed6be
CB		 1157
1158 fd = qemu_opt_get_number(opts, "fd", -1);
1159 fdset_id = qemu_opt_get_number(opts, "set", -1);
1160 fd_opaque = qemu_opt_get(opts, "opaque");
1161
1162 if (fd < 0) {
1459407e 1163 error_report("fd option is required and must be non-negative");
587ed6be
CB		 1164 return -1;
1165 }
1166
1167 if (fd <= STDERR_FILENO) {
1459407e 1168 error_report("fd cannot be a standard I/O stream");
587ed6be
CB		 1169 return -1;
1170 }
1171
1172 /*
1173 * All fds inherited across exec() necessarily have FD_CLOEXEC
1174 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1175 */
1176 flags = fcntl(fd, F_GETFD);
1177 if (flags == -1 || (flags & FD_CLOEXEC)) {
1459407e 1178 error_report("fd is not valid or already in use");
587ed6be
CB		 1179 return -1;
1180 }
1181
1182 if (fdset_id < 0) {
1459407e 1183 error_report("set option is required and must be non-negative");
587ed6be
CB		 1184 return -1;
1185 }
1186
1187#ifdef F_DUPFD_CLOEXEC
1188 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1189#else
1190 dupfd = dup(fd);
1191 if (dupfd != -1) {
1192 qemu_set_cloexec(dupfd);
1193 }
1194#endif
1195 if (dupfd == -1) {
3e515373 1196 error_report("error duplicating fd: %s", strerror(errno));
587ed6be
CB		 1197 return -1;
1198 }
1199
1200 /* add the duplicate fd, and optionally the opaque string, to the fd set */
636a30a8
PB		 1201 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1202 &error_abort);
1203 g_free(fdinfo);
587ed6be
CB		 1204
1205 return 0;
1206}
1207
28d0de7a 1208static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 1209{
1210 int fd;
1211
1212 fd = qemu_opt_get_number(opts, "fd", -1);
1213 close(fd);
1214
1215 return 0;
1216}
1217#endif
1218
1ae26a18
AZ		 1219/***********************************************************/
1220/* QEMU Block devices */
1221
2292ddae
MA		 1222#define HD_OPTS "media=disk"
1223#define CDROM_OPTS "media=cdrom"
1224#define FD_OPTS ""
1225#define PFLASH_OPTS ""
1226#define MTD_OPTS ""
1227#define SD_OPTS ""
e4bcb14c 1228
28d0de7a 1229static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1230{
2d0d2837 1231 BlockInterfaceType *block_default_type = opaque;
9dfd7c7a 1232
60e19e06 1233 return drive_new(opts, *block_default_type) == NULL;
9dfd7c7a
GH		 1234}
1235
28d0de7a 1236static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1237{
28de2f88 1238 if (qemu_opt_get(opts, "snapshot") == NULL) {
f43e47db 1239 qemu_opt_set(opts, "snapshot", "on", &error_abort);
9dfd7c7a
GH		 1240 }
1241 return 0;
1242}
1243
3c42ea66
CB		 1244static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1245 int index, const char *optstr)
4e5d9b57
MA		 1246{
1247 QemuOpts *opts;
a66c9dc7 1248 DriveInfo *dinfo;
4e5d9b57 1249
4e5d9b57
MA		 1250 if (!enable || drive_get_by_index(type, index)) {
1251 return;
1252 }
1253
1254 opts = drive_add(type, index, NULL, optstr);
1255 if (snapshot) {
28d0de7a 1256 drive_enable_snapshot(NULL, opts, NULL);
4e5d9b57 1257 }
a66c9dc7
JS		 1258
1259 dinfo = drive_new(opts, type);
1260 if (!dinfo) {
4e5d9b57
MA		 1261 exit(1);
1262 }
a66c9dc7
JS		 1263 dinfo->is_default = true;
1264
4e5d9b57
MA		 1265}
1266
12b7f57e
MT		 1267static QemuOptsList qemu_smp_opts = {
1268 .name = "smp-opts",
1269 .implied_opt_name = "cpus",
1270 .merge_lists = true,
1271 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1272 .desc = {
1273 {
1274 .name = "cpus",
1275 .type = QEMU_OPT_NUMBER,
1276 }, {
1277 .name = "sockets",
1278 .type = QEMU_OPT_NUMBER,
1279 }, {
1280 .name = "cores",
1281 .type = QEMU_OPT_NUMBER,
1282 }, {
1283 .name = "threads",
1284 .type = QEMU_OPT_NUMBER,
1285 }, {
1286 .name = "maxcpus",
1287 .type = QEMU_OPT_NUMBER,
1288 },
1289 { /*End of list */ }
1290 },
1291};
1292
1293static void smp_parse(QemuOpts *opts)
dc6b1c09 1294{
12b7f57e 1295 if (opts) {
12b7f57e
MT		 1296 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1297 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1298 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1299 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1300
1301 /* compute missing values, prefer sockets over cores over threads */
1302 if (cpus == 0 || sockets == 0) {
1303 sockets = sockets > 0 ? sockets : 1;
1304 cores = cores > 0 ? cores : 1;
dc6b1c09 1305 threads = threads > 0 ? threads : 1;
12b7f57e
MT		 1306 if (cpus == 0) {
1307 cpus = cores * threads * sockets;
1308 }
719cac1c
EH		 1309 } else if (cores == 0) {
1310 threads = threads > 0 ? threads : 1;
1311 cores = cpus / (sockets * threads);
66f37d36 1312 cores = cores > 0 ? cores : 1;
ec2cbbdd 1313 } else if (threads == 0) {
719cac1c 1314 threads = cpus / (cores * sockets);
66f37d36 1315 threads = threads > 0 ? threads : 1;
ec2cbbdd 1316 } else if (sockets * cores * threads < cpus) {
f61eddcb
EH		 1317 error_report("cpu topology: "
1318 "sockets (%u) * cores (%u) * threads (%u) < "
1319 "smp_cpus (%u)",
1320 sockets, cores, threads, cpus);
ec2cbbdd 1321 exit(1);
dc6b1c09 1322 }
12b7f57e 1323
a32ef3bf 1324 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
0544edd8 1325
0544edd8
AJ		 1326 if (max_cpus < cpus) {
1327 error_report("maxcpus must be equal to or greater than smp");
1328 exit(1);
1329 }
1330
a32ef3bf 1331 if (sockets * cores * threads > max_cpus) {
f61eddcb
EH		 1332 error_report("cpu topology: "
1333 "sockets (%u) * cores (%u) * threads (%u) > "
1334 "maxcpus (%u)",
1335 sockets, cores, threads, max_cpus);
a32ef3bf
TH		 1336 exit(1);
1337 }
12b7f57e
MT		 1338
1339 smp_cpus = cpus;
0544edd8
AJ		 1340 smp_cores = cores;
1341 smp_threads = threads;
12b7f57e
MT		 1342 }
1343
0544edd8 1344 if (smp_cpus > 1) {
0194749a
PD		 1345 Error *blocker = NULL;
1346 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1347 replay_add_blocker(blocker);
1348 }
dc6b1c09
AP		 1349}
1350
28d16f38 1351static void realtime_init(void)
888a6bc6 1352{
888a6bc6
SM		 1353 if (enable_mlock) {
1354 if (os_mlock() < 0) {
f61eddcb 1355 error_report("locking memory failed");
888a6bc6
SM		 1356 exit(1);
1357 }
1358 }
1359}
1360
5e2ac519
SA		 1361
1362static void configure_msg(QemuOpts *opts)
1363{
1364 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1365}
1366
cfe67cef
LA		 1367/***********************************************************/
1368/* Semihosting */
1369
1370typedef struct SemihostingConfig {
1371 bool enabled;
1372 SemihostingTarget target;
a59d31a1
LA		 1373 const char **argv;
1374 int argc;
1375 const char *cmdline; /* concatenated argv */
cfe67cef
LA		 1376} SemihostingConfig;
1377
1378static SemihostingConfig semihosting;
1379
1380bool semihosting_enabled(void)
1381{
1382 return semihosting.enabled;
1383}
1384
1385SemihostingTarget semihosting_get_target(void)
1386{
1387 return semihosting.target;
1388}
1389
a59d31a1
LA		 1390const char *semihosting_get_arg(int i)
1391{
1392 if (i >= semihosting.argc) {
1393 return NULL;
1394 }
1395 return semihosting.argv[i];
1396}
1397
1398int semihosting_get_argc(void)
1399{
1400 return semihosting.argc;
1401}
1402
1403const char *semihosting_get_cmdline(void)
1404{
1405 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1406 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1407 }
1408 return semihosting.cmdline;
1409}
1410
1411static int add_semihosting_arg(void *opaque,
1412 const char *name, const char *val,
1413 Error **errp)
1414{
1415 SemihostingConfig *s = opaque;
1416 if (strcmp(name, "arg") == 0) {
1417 s->argc++;
1418 /* one extra element as g_strjoinv() expects NULL-terminated array */
1419 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1420 s->argv[s->argc - 1] = val;
1421 s->argv[s->argc] = NULL;
1422 }
1423 return 0;
1424}
1425
1426/* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1427static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1428{
1429 char *cmd_token;
1430
1431 /* argv[0] */
1432 add_semihosting_arg(&semihosting, "arg", file, NULL);
1433
1434 /* split -append and initialize argv[1..n] */
1435 cmd_token = strtok(g_strdup(cmd), " ");
1436 while (cmd_token) {
1437 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1438 cmd_token = strtok(NULL, " ");
1439 }
1440}
1441
79814179
TC		 1442/* Now we still need this for compatibility with XEN. */
1443bool has_igd_gfx_passthru;
1444static void igd_gfx_passthru(void)
1445{
1446 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1447}
1448
a594cfbf
FB		 1449/***********************************************************/
1450/* USB devices */
1451
fb08000c 1452static int usb_device_add(const char *devname)
a594cfbf 1453{
a5d2f727 1454 USBDevice *dev = NULL;
a594cfbf 1455
4bcbe0b6 1456 if (!machine_usb(current_machine)) {
a594cfbf 1457 return -1;
094b287f 1458 }
a594cfbf 1459
0958b4cc 1460 dev = usbdevice_create(devname);
0d92ed30
PB		 1461 if (!dev)
1462 return -1;
1463
a594cfbf
FB		 1464 return 0;
1465}
1466
bd3c948d
GH		 1467static int usb_parse(const char *cmdline)
1468{
59d1c1c2 1469 int r;
fb08000c 1470 r = usb_device_add(cmdline);
59d1c1c2 1471 if (r < 0) {
f61eddcb 1472 error_report("could not add USB device '%s'", cmdline);
59d1c1c2
ST		 1473 }
1474 return r;
bd3c948d
GH		 1475}
1476
cc1daa40
FB		 1477/***********************************************************/
1478/* machine registration */
1479
0056ae24 1480MachineState *current_machine;
cc1daa40 1481
0056ae24 1482static MachineClass *find_machine(const char *name)
cc1daa40 1483{
261747f1 1484 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
0056ae24 1485 MachineClass *mc = NULL;
cc1daa40 1486
261747f1 1487 for (el = machines; el; el = el->next) {
0056ae24 1488 MachineClass *temp = el->data;
261747f1 1489
958db90c 1490 if (!strcmp(temp->name, name)) {
0056ae24 1491 mc = temp;
261747f1
MA		 1492 break;
1493 }
958db90c
MA		 1494 if (temp->alias &&
1495 !strcmp(temp->alias, name)) {
0056ae24 1496 mc = temp;
261747f1
MA		 1497 break;
1498 }
cc1daa40 1499 }
261747f1
MA		 1500
1501 g_slist_free(machines);
0056ae24 1502 return mc;
cc1daa40
FB		 1503}
1504
0056ae24 1505MachineClass *find_default_machine(void)
0c257437 1506{
261747f1 1507 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
0056ae24 1508 MachineClass *mc = NULL;
0c257437 1509
261747f1 1510 for (el = machines; el; el = el->next) {
0056ae24 1511 MachineClass *temp = el->data;
261747f1 1512
958db90c 1513 if (temp->is_default) {
0056ae24 1514 mc = temp;
261747f1 1515 break;
0c257437
AL		 1516 }
1517 }
261747f1
MA		 1518
1519 g_slist_free(machines);
0056ae24 1520 return mc;
0c257437
AL		 1521}
1522
01d3c80d
AL		 1523MachineInfoList *qmp_query_machines(Error **errp)
1524{
261747f1 1525 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
01d3c80d 1526 MachineInfoList *mach_list = NULL;
01d3c80d 1527
261747f1
MA		 1528 for (el = machines; el; el = el->next) {
1529 MachineClass *mc = el->data;
01d3c80d
AL		 1530 MachineInfoList *entry;
1531 MachineInfo *info;
1532
1533 info = g_malloc0(sizeof(*info));
958db90c 1534 if (mc->is_default) {
01d3c80d
AL		 1535 info->has_is_default = true;
1536 info->is_default = true;
1537 }
1538
958db90c 1539 if (mc->alias) {
01d3c80d 1540 info->has_alias = true;
958db90c 1541 info->alias = g_strdup(mc->alias);
01d3c80d
AL		 1542 }
1543
958db90c
MA		 1544 info->name = g_strdup(mc->name);
1545 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
c5514d0e 1546 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
01d3c80d
AL		 1547
1548 entry = g_malloc0(sizeof(*entry));
1549 entry->value = info;
1550 entry->next = mach_list;
1551 mach_list = entry;
1552 }
1553
261747f1 1554 g_slist_free(machines);
01d3c80d
AL		 1555 return mach_list;
1556}
1557
52eb3dfd
MA		 1558static int machine_help_func(QemuOpts *opts, MachineState *machine)
1559{
1560 ObjectProperty *prop;
7746abd8 1561 ObjectPropertyIterator iter;
52eb3dfd
MA		 1562
1563 if (!qemu_opt_has_help_opt(opts)) {
1564 return 0;
1565 }
1566
7746abd8
DB		 1567 object_property_iter_init(&iter, OBJECT(machine));
1568 while ((prop = object_property_iter_next(&iter))) {
52eb3dfd
MA		 1569 if (!prop->set) {
1570 continue;
1571 }
1572
1573 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1574 prop->name, prop->type);
1575 if (prop->description) {
1576 error_printf(" (%s)\n", prop->description);
1577 } else {
1578 error_printf("\n");
1579 }
1580 }
1581
1582 return 1;
1583}
1584
8a7ddc38
FB		 1585/***********************************************************/
1586/* main execution loop */
1587
0bd48850
FB		 1588struct vm_change_state_entry {
1589 VMChangeStateHandler *cb;
1590 void *opaque;
72cf2d4f 1591 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB		 1592};
1593
72cf2d4f 1594static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB		 1595
1596VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1597 void *opaque)
1598{
1599 VMChangeStateEntry *e;
1600
7267c094 1601 e = g_malloc0(sizeof (*e));
0bd48850
FB		 1602
1603 e->cb = cb;
1604 e->opaque = opaque;
72cf2d4f 1605 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB		 1606 return e;
1607}
1608
1609void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1610{
72cf2d4f 1611 QLIST_REMOVE (e, entries);
7267c094 1612 g_free (e);
0bd48850
FB		 1613}
1614
1dfb4dd9 1615void vm_state_notify(int running, RunState state)
0bd48850 1616{
9b10ac86 1617 VMChangeStateEntry *e, *next;
0bd48850 1618
1dfb4dd9 1619 trace_vm_state_notify(running, state);
94b0b5ff 1620
9b10ac86 1621 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1dfb4dd9 1622 e->cb(e->opaque, running, state);
0bd48850
FB		 1623 }
1624}
1625
aedbe192
EB		 1626static ShutdownCause reset_requested;
1627static ShutdownCause shutdown_requested;
1628static int shutdown_signal;
f64622c4 1629static pid_t shutdown_pid;
3475187d 1630static int powerdown_requested;
8cf71710 1631static int debug_requested;
95b363b5 1632static int suspend_requested;
4bc78a87 1633static WakeupReason wakeup_reason;
a9552c8e
IM		 1634static NotifierList powerdown_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
95b363b5
GH		 1636static NotifierList suspend_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1638static NotifierList wakeup_notifiers =
1639 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
4bc78a87 1640static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
bb0c6722 1641
aedbe192 1642ShutdownCause qemu_shutdown_requested_get(void)
1291eb35
AP		 1643{
1644 return shutdown_requested;
1645}
1646
aedbe192 1647ShutdownCause qemu_reset_requested_get(void)
1291eb35
AP		 1648{
1649 return reset_requested;
1650}
1651
4fdcac0e 1652static int qemu_shutdown_requested(void)
cf7a2fe2 1653{
aedbe192 1654 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
cf7a2fe2
AJ		 1655}
1656
4fdcac0e 1657static void qemu_kill_report(void)
f64622c4 1658{
7af88279 1659 if (!qtest_driver() && shutdown_signal) {
f1d3fb04
PM		 1660 if (shutdown_pid == 0) {
1661 /* This happens for eg ^C at the terminal, so it's worth
1662 * avoiding printing an odd message in that case.
1663 */
f61eddcb 1664 error_report("terminating on signal %d", shutdown_signal);
f1d3fb04 1665 } else {
fbe7e332
MP		 1666 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1667
1668 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1669 shutdown_signal, shutdown_pid,
1670 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1671 g_free(shutdown_cmd);
f1d3fb04 1672 }
7af88279 1673 shutdown_signal = 0;
f64622c4
GN		 1674 }
1675}
1676
aedbe192 1677static ShutdownCause qemu_reset_requested(void)
cf7a2fe2 1678{
aedbe192
EB		 1679 ShutdownCause r = reset_requested;
1680
8bd7f71d 1681 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
aedbe192 1682 reset_requested = SHUTDOWN_CAUSE_NONE;
8bd7f71d
PD		 1683 return r;
1684 }
aedbe192 1685 return SHUTDOWN_CAUSE_NONE;
cf7a2fe2
AJ		 1686}
1687
95b363b5
GH		 1688static int qemu_suspend_requested(void)
1689{
1690 int r = suspend_requested;
8bd7f71d
PD		 1691 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1692 suspend_requested = 0;
1693 return r;
1694 }
1695 return false;
95b363b5
GH		 1696}
1697
4bc78a87 1698static WakeupReason qemu_wakeup_requested(void)
14058196 1699{
4bc78a87 1700 return wakeup_reason;
14058196
LC		 1701}
1702
4fdcac0e 1703static int qemu_powerdown_requested(void)
cf7a2fe2
AJ		 1704{
1705 int r = powerdown_requested;
1706 powerdown_requested = 0;
1707 return r;
1708}
1709
e568902a
AL		 1710static int qemu_debug_requested(void)
1711{
1712 int r = debug_requested;
1713 debug_requested = 0;
1714 return r;
1715}
1716
aedbe192
EB		 1717/*
1718 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1719 */
1720void qemu_system_reset(ShutdownCause reason)
be522029 1721{
0056ae24
MA		 1722 MachineClass *mc;
1723
1724 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1725
efdaf797
DG		 1726 cpu_synchronize_all_states();
1727
958db90c
MA		 1728 if (mc && mc->reset) {
1729 mc->reset();
be522029
DG		 1730 } else {
1731 qemu_devices_reset();
1732 }
aedbe192 1733 if (reason) {
08fba7ac
EB		 1734 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1735 &error_abort);
e063eb1f 1736 }
ea375f9a 1737 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1738}
1739
c86f106b 1740void qemu_system_guest_panicked(GuestPanicInformation *info)
5f5b5942 1741{
f47291b7
AN		 1742 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1743
bac05aa9
AS		 1744 if (current_cpu) {
1745 current_cpu->crash_occurred = true;
1746 }
c86f106b
AN		 1747 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1748 !!info, info, &error_abort);
5f5b5942 1749 vm_stop(RUN_STATE_GUEST_PANICKED);
864111f4
CB		 1750 if (!no_shutdown) {
1751 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
c86f106b 1752 !!info, info, &error_abort);
cf83f140 1753 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
864111f4 1754 }
c86f106b
AN		 1755
1756 if (info) {
e8ed97a6 1757 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
f47291b7
AN		 1758 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1759 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
e8ed97a6
AN		 1760 info->u.hyper_v.arg1,
1761 info->u.hyper_v.arg2,
1762 info->u.hyper_v.arg3,
1763 info->u.hyper_v.arg4,
1764 info->u.hyper_v.arg5);
f47291b7 1765 }
c86f106b
AN		 1766 qapi_free_GuestPanicInformation(info);
1767 }
5f5b5942
AS		 1768}
1769
cf83f140 1770void qemu_system_reset_request(ShutdownCause reason)
bb0c6722 1771{
d1beab82 1772 if (no_reboot) {
cf83f140 1773 shutdown_requested = reason;
d1beab82 1774 } else {
cf83f140 1775 reset_requested = reason;
d1beab82 1776 }
b4a3d965 1777 cpu_stop_current();
d9f75a4e 1778 qemu_notify_event();
bb0c6722
FB		 1779}
1780
95b363b5
GH		 1781static void qemu_system_suspend(void)
1782{
1783 pause_all_vcpus();
1784 notifier_list_notify(&suspend_notifiers, NULL);
ad02b96a 1785 runstate_set(RUN_STATE_SUSPENDED);
1d11a95a 1786 qapi_event_send_suspend(&error_abort);
95b363b5
GH		 1787}
1788
1789void qemu_system_suspend_request(void)
1790{
9abc62f6 1791 if (runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1792 return;
1793 }
1794 suspend_requested = 1;
1795 cpu_stop_current();
1796 qemu_notify_event();
1797}
1798
1799void qemu_register_suspend_notifier(Notifier *notifier)
1800{
1801 notifier_list_add(&suspend_notifiers, notifier);
1802}
1803
1804void qemu_system_wakeup_request(WakeupReason reason)
1805{
4fed9421
AK		 1806 trace_system_wakeup_request(reason);
1807
9abc62f6 1808 if (!runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1809 return;
1810 }
1811 if (!(wakeup_reason_mask & (1 << reason))) {
1812 return;
1813 }
ad02b96a 1814 runstate_set(RUN_STATE_RUNNING);
4bc78a87 1815 wakeup_reason = reason;
95b363b5 1816 qemu_notify_event();
95b363b5
GH		 1817}
1818
1819void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1820{
1821 if (enabled) {
1822 wakeup_reason_mask |= (1 << reason);
1823 } else {
1824 wakeup_reason_mask &= ~(1 << reason);
1825 }
1826}
1827
1828void qemu_register_wakeup_notifier(Notifier *notifier)
1829{
1830 notifier_list_add(&wakeup_notifiers, notifier);
1831}
1832
f64622c4
GN		 1833void qemu_system_killed(int signal, pid_t pid)
1834{
1835 shutdown_signal = signal;
1836 shutdown_pid = pid;
d9389b96 1837 no_shutdown = 0;
8bd7f71d
PD		 1838
1839 /* Cannot call qemu_system_shutdown_request directly because
1840 * we are in a signal handler.
1841 */
aedbe192 1842 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
8bd7f71d 1843 qemu_notify_event();
f64622c4
GN		 1844}
1845
cf83f140 1846void qemu_system_shutdown_request(ShutdownCause reason)
bb0c6722 1847{
cf83f140
EB		 1848 trace_qemu_system_shutdown_request(reason);
1849 replay_shutdown_request(reason);
1850 shutdown_requested = reason;
d9f75a4e 1851 qemu_notify_event();
bb0c6722
FB		 1852}
1853
013c2f15
IM		 1854static void qemu_system_powerdown(void)
1855{
0aab9ec3 1856 qapi_event_send_powerdown(&error_abort);
013c2f15
IM		 1857 notifier_list_notify(&powerdown_notifiers, NULL);
1858}
1859
3475187d
FB		 1860void qemu_system_powerdown_request(void)
1861{
bc78cff9 1862 trace_qemu_system_powerdown_request();
3475187d 1863 powerdown_requested = 1;
d9f75a4e
AL		 1864 qemu_notify_event();
1865}
1866
a9552c8e
IM		 1867void qemu_register_powerdown_notifier(Notifier *notifier)
1868{
1869 notifier_list_add(&powerdown_notifiers, notifier);
1870}
1871
8cf71710
JK		 1872void qemu_system_debug_request(void)
1873{
1874 debug_requested = 1;
83f338f7 1875 qemu_notify_event();
8cf71710
JK		 1876}
1877
99435906
PB		 1878static bool main_loop_should_exit(void)
1879{
1880 RunState r;
aedbe192
EB		 1881 ShutdownCause request;
1882
99435906
PB		 1883 if (qemu_debug_requested()) {
1884 vm_stop(RUN_STATE_DEBUG);
1885 }
95b363b5
GH		 1886 if (qemu_suspend_requested()) {
1887 qemu_system_suspend();
1888 }
aedbe192
EB		 1889 request = qemu_shutdown_requested();
1890 if (request) {
99435906 1891 qemu_kill_report();
08fba7ac
EB		 1892 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1893 &error_abort);
99435906
PB		 1894 if (no_shutdown) {
1895 vm_stop(RUN_STATE_SHUTDOWN);
1896 } else {
1897 return true;
1898 }
1899 }
aedbe192
EB		 1900 request = qemu_reset_requested();
1901 if (request) {
99435906 1902 pause_all_vcpus();
aedbe192 1903 qemu_system_reset(request);
99435906 1904 resume_all_vcpus();
7ec13c79
DL		 1905 if (!runstate_check(RUN_STATE_RUNNING) &&
1906 !runstate_check(RUN_STATE_INMIGRATE)) {
1907 runstate_set(RUN_STATE_PRELAUNCH);
99435906
PB		 1908 }
1909 }
14058196
LC		 1910 if (qemu_wakeup_requested()) {
1911 pause_all_vcpus();
aedbe192 1912 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4bc78a87
LJ		 1913 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1914 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
14058196 1915 resume_all_vcpus();
7a906f7f 1916 qapi_event_send_wakeup(&error_abort);
14058196 1917 }
99435906 1918 if (qemu_powerdown_requested()) {
013c2f15 1919 qemu_system_powerdown();
99435906
PB		 1920 }
1921 if (qemu_vmstop_requested(&r)) {
1922 vm_stop(r);
1923 }
1924 return false;
1925}
1926
43b96858
AL		 1927static void main_loop(void)
1928{
8e1b90ec
JK		 1929#ifdef CONFIG_PROFILER
1930 int64_t ti;
1931#endif
99435906 1932 do {
89bfc105 1933#ifdef CONFIG_PROFILER
46481d39 1934 ti = profile_getclock();
89bfc105 1935#endif
e330c118 1936 main_loop_wait(false);
89bfc105 1937#ifdef CONFIG_PROFILER
46481d39 1938 dev_time += profile_getclock() - ti;
89bfc105 1939#endif
99435906 1940 } while (!main_loop_should_exit());
b4608c04
FB		 1941}
1942
9bd7e6d9
PB		 1943static void version(void)
1944{
0781dd6e 1945 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
d915b7bb 1946 QEMU_COPYRIGHT "\n");
9bd7e6d9
PB		 1947}
1948
15f82208 1949static void help(int exitcode)
0824d6fc 1950{
a3adb7ad
ME		 1951 version();
1952 printf("usage: %s [options] [disk_image]\n\n"
1953 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1954 error_get_progname());
1955
77bd1119
ME		 1956#define QEMU_OPTIONS_GENERATE_HELP
1957#include "qemu-options-wrapper.h"
a3adb7ad
ME		 1958
1959 printf("\nDuring emulation, the following keys are useful:\n"
3f020d70 1960 "ctrl-alt-f toggle full screen\n"
1961 "ctrl-alt-n switch to virtual console 'n'\n"
1962 "ctrl-alt toggle mouse and keyboard grab\n"
1963 "\n"
f5048cb7
EB		 1964 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1965 "\n"
1966 QEMU_HELP_BOTTOM "\n");
a3adb7ad 1967
15f82208 1968 exit(exitcode);
0824d6fc
FB		 1969}
1970
cd6f1169
FB		 1971#define HAS_ARG 0x0001
1972
cd6f1169
FB		 1973typedef struct QEMUOption {
1974 const char *name;
1975 int flags;
1976 int index;
ad96090a 1977 uint32_t arch_mask;
cd6f1169
FB		 1978} QEMUOption;
1979
dbed7e40 1980static const QEMUOption qemu_options[] = {
ad96090a 1981 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
77bd1119
ME		 1982#define QEMU_OPTIONS_GENERATE_OPTIONS
1983#include "qemu-options-wrapper.h"
cd6f1169 1984 { NULL },
fc01f7e7 1985};
a369da5f 1986
8c9a2b71
EH		 1987typedef struct VGAInterfaceInfo {
1988 const char *opt_name; /* option name */
1989 const char *name; /* human-readable name */
c2c7b22d
EH		 1990 /* Class names indicating that support is available.
1991 * If no class is specified, the interface is always available */
1992 const char *class_names[2];
8c9a2b71
EH		 1993} VGAInterfaceInfo;
1994
1995static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1996 [VGA_NONE] = {
1997 .opt_name = "none",
1998 },
1999 [VGA_STD] = {
2000 .opt_name = "std",
2001 .name = "standard VGA",
c2c7b22d 2002 .class_names = { "VGA", "isa-vga" },
8c9a2b71
EH		 2003 },
2004 [VGA_CIRRUS] = {
2005 .opt_name = "cirrus",
2006 .name = "Cirrus VGA",
c2c7b22d 2007 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
8c9a2b71
EH		 2008 },
2009 [VGA_VMWARE] = {
2010 .opt_name = "vmware",
2011 .name = "VMWare SVGA",
c2c7b22d 2012 .class_names = { "vmware-svga" },
8c9a2b71
EH		 2013 },
2014 [VGA_VIRTIO] = {
2015 .opt_name = "virtio",
2016 .name = "Virtio VGA",
c2c7b22d 2017 .class_names = { "virtio-vga" },
8c9a2b71
EH		 2018 },
2019 [VGA_QXL] = {
2020 .opt_name = "qxl",
2021 .name = "QXL VGA",
c2c7b22d 2022 .class_names = { "qxl-vga" },
8c9a2b71
EH		 2023 },
2024 [VGA_TCX] = {
2025 .opt_name = "tcx",
2026 .name = "TCX framebuffer",
c2c7b22d 2027 .class_names = { "SUNW,tcx" },
8c9a2b71
EH		 2028 },
2029 [VGA_CG3] = {
2030 .opt_name = "cg3",
2031 .name = "CG3 framebuffer",
c2c7b22d 2032 .class_names = { "cgthree" },
8c9a2b71
EH		 2033 },
2034 [VGA_XENFB] = {
2035 .opt_name = "xenfb",
2036 },
2037};
2038
c2c7b22d
EH		 2039static bool vga_interface_available(VGAInterfaceType t)
2040{
2041 VGAInterfaceInfo *ti = &vga_interfaces[t];
2042
2043 assert(t < VGA_TYPE_MAX);
2044 return !ti->class_names[0] ||
2045 object_class_by_name(ti->class_names[0]) ||
2046 object_class_by_name(ti->class_names[1]);
2047}
2048
8c9a2b71 2049static void select_vgahw(const char *p)
3893c124 2050{
2051 const char *opts;
8c9a2b71 2052 int t;
3893c124 2053
d44229c5 2054 assert(vga_interface_type == VGA_NONE);
8c9a2b71
EH		 2055 for (t = 0; t < VGA_TYPE_MAX; t++) {
2056 VGAInterfaceInfo *ti = &vga_interfaces[t];
2057 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
c2c7b22d 2058 if (!vga_interface_available(t)) {
8c9a2b71
EH		 2059 error_report("%s not available", ti->name);
2060 exit(1);
2061 }
2062 vga_interface_type = t;
2063 break;
af87bf29 2064 }
8c9a2b71
EH		 2065 }
2066 if (t == VGA_TYPE_MAX) {
3893c124 2067 invalid_vga:
3e515373 2068 error_report("unknown vga type: %s", p);
3893c124 2069 exit(1);
2070 }
cb5a7aa8 2071 while (*opts) {
2072 const char *nextopt;
2073
2074 if (strstart(opts, ",retrace=", &nextopt)) {
2075 opts = nextopt;
2076 if (strstart(opts, "dumb", &nextopt))
2077 vga_retrace_method = VGA_RETRACE_DUMB;
2078 else if (strstart(opts, "precise", &nextopt))
2079 vga_retrace_method = VGA_RETRACE_PRECISE;
2080 else goto invalid_vga;
2081 } else goto invalid_vga;
2082 opts = nextopt;
2083 }
3893c124 2084}
2085
0cb48c46
EH		 2086typedef enum DisplayType {
2087 DT_DEFAULT,
2088 DT_CURSES,
2089 DT_SDL,
2090 DT_COCOA,
2091 DT_GTK,
bb1599b6 2092 DT_EGL,
0cb48c46
EH		 2093 DT_NONE,
2094} DisplayType;
2095
1472a95b
JS		 2096static DisplayType select_display(const char *p)
2097{
2098 const char *opts;
2099 DisplayType display = DT_DEFAULT;
2100
2101 if (strstart(p, "sdl", &opts)) {
2102#ifdef CONFIG_SDL
2103 display = DT_SDL;
2104 while (*opts) {
2105 const char *nextopt;
2106
2107 if (strstart(opts, ",frame=", &nextopt)) {
2108 opts = nextopt;
2109 if (strstart(opts, "on", &nextopt)) {
2110 no_frame = 0;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 no_frame = 1;
2113 } else {
05175535 2114 goto invalid_sdl_args;
1472a95b
JS		 2115 }
2116 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 alt_grab = 1;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 alt_grab = 0;
2122 } else {
05175535 2123 goto invalid_sdl_args;
1472a95b
JS		 2124 }
2125 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2126 opts = nextopt;
2127 if (strstart(opts, "on", &nextopt)) {
2128 ctrl_grab = 1;
2129 } else if (strstart(opts, "off", &nextopt)) {
2130 ctrl_grab = 0;
2131 } else {
05175535 2132 goto invalid_sdl_args;
1472a95b
JS		 2133 }
2134 } else if (strstart(opts, ",window_close=", &nextopt)) {
2135 opts = nextopt;
2136 if (strstart(opts, "on", &nextopt)) {
2137 no_quit = 0;
2138 } else if (strstart(opts, "off", &nextopt)) {
2139 no_quit = 1;
2140 } else {
05175535 2141 goto invalid_sdl_args;
1472a95b 2142 }
0b71a5d5
GH		 2143 } else if (strstart(opts, ",gl=", &nextopt)) {
2144 opts = nextopt;
2145 if (strstart(opts, "on", &nextopt)) {
2146 request_opengl = 1;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 request_opengl = 0;
2149 } else {
2150 goto invalid_sdl_args;
2151 }
1472a95b 2152 } else {
05175535 2153 invalid_sdl_args:
3e515373 2154 error_report("invalid SDL option string");
05175535 2155 exit(1);
1472a95b
JS		 2156 }
2157 opts = nextopt;
2158 }
2159#else
c6bf0f7f 2160 error_report("SDL support is disabled");
1472a95b
JS		 2161 exit(1);
2162#endif
3264ff12 2163 } else if (strstart(p, "vnc", &opts)) {
4db14629 2164 if (*opts == '=') {
7b1ee0f2 2165 vnc_parse(opts + 1, &error_fatal);
4db14629 2166 } else {
c6bf0f7f 2167 error_report("VNC requires a display argument vnc=<display>");
3264ff12
JS		 2168 exit(1);
2169 }
bb1599b6 2170 } else if (strstart(p, "egl-headless", &opts)) {
371ec54e 2171#ifdef CONFIG_OPENGL_DMABUF
bb1599b6
GH		 2172 request_opengl = 1;
2173 display_opengl = 1;
2174 display = DT_EGL;
2175#else
493d89bf 2176 error_report("egl support is disabled");
bb1599b6
GH		 2177 exit(1);
2178#endif
1472a95b
JS		 2179 } else if (strstart(p, "curses", &opts)) {
2180#ifdef CONFIG_CURSES
2181 display = DT_CURSES;
2182#else
3e515373 2183 error_report("curses support is disabled");
1472a95b 2184 exit(1);
15546425
AL		 2185#endif
2186 } else if (strstart(p, "gtk", &opts)) {
2187#ifdef CONFIG_GTK
2188 display = DT_GTK;
881249c7
JK		 2189 while (*opts) {
2190 const char *nextopt;
2191
2192 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2193 opts = nextopt;
2194 if (strstart(opts, "on", &nextopt)) {
2195 grab_on_hover = true;
2196 } else if (strstart(opts, "off", &nextopt)) {
2197 grab_on_hover = false;
2198 } else {
2199 goto invalid_gtk_args;
2200 }
97edf3bd
GH		 2201 } else if (strstart(opts, ",gl=", &nextopt)) {
2202 opts = nextopt;
2203 if (strstart(opts, "on", &nextopt)) {
2204 request_opengl = 1;
2205 } else if (strstart(opts, "off", &nextopt)) {
2206 request_opengl = 0;
2207 } else {
2208 goto invalid_gtk_args;
2209 }
881249c7
JK		 2210 } else {
2211 invalid_gtk_args:
3e515373 2212 error_report("invalid GTK option string");
881249c7
JK		 2213 exit(1);
2214 }
2215 opts = nextopt;
2216 }
15546425 2217#else
c6bf0f7f 2218 error_report("GTK support is disabled");
15546425 2219 exit(1);
1472a95b 2220#endif
4171d32e
JS		 2221 } else if (strstart(p, "none", &opts)) {
2222 display = DT_NONE;
1472a95b 2223 } else {
3e515373 2224 error_report("unknown display type");
1472a95b
JS		 2225 exit(1);
2226 }
2227
2228 return display;
2229}
2230
7d4c3d53
MA		 2231static int balloon_parse(const char *arg)
2232{
382f0743 2233 QemuOpts *opts;
7d4c3d53 2234
382f0743
GH		 2235 if (strcmp(arg, "none") == 0) {
2236 return 0;
2237 }
2238
2239 if (!strncmp(arg, "virtio", 6)) {
2240 if (arg[6] == ',') {
2241 /* have params -> parse them */
70b94331
MA		 2242 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2243 false);
382f0743
GH		 2244 if (!opts)
2245 return -1;
2246 } else {
2247 /* create empty opts */
87ea75d5
PC		 2248 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2249 &error_abort);
7d4c3d53 2250 }
f43e47db 2251 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
382f0743 2252 return 0;
7d4c3d53 2253 }
382f0743
GH		 2254
2255 return -1;
7d4c3d53 2256}
7d4c3d53 2257
5cea8590
PB		 2258char *qemu_find_file(int type, const char *name)
2259{
4524051c 2260 int i;
5cea8590
PB		 2261 const char *subdir;
2262 char *buf;
2263
31783203
PM		 2264 /* Try the name as a straight path first */
2265 if (access(name, R_OK) == 0) {
4524051c 2266 trace_load_file(name, name);
7267c094 2267 return g_strdup(name);
5cea8590 2268 }
4524051c 2269
5cea8590
PB		 2270 switch (type) {
2271 case QEMU_FILE_TYPE_BIOS:
2272 subdir = "";
2273 break;
2274 case QEMU_FILE_TYPE_KEYMAP:
2275 subdir = "keymaps/";
2276 break;
2277 default:
2278 abort();
2279 }
4524051c
GH		 2280
2281 for (i = 0; i < data_dir_idx; i++) {
2282 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2283 if (access(buf, R_OK) == 0) {
2284 trace_load_file(name, buf);
2285 return buf;
2286 }
7267c094 2287 g_free(buf);
5cea8590 2288 }
4524051c 2289 return NULL;
5cea8590
PB		 2290}
2291
2a1cce90
GH		 2292static void qemu_add_data_dir(const char *path)
2293{
2294 int i;
2295
2296 if (path == NULL) {
2297 return;
2298 }
2299 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2300 return;
2301 }
2302 for (i = 0; i < data_dir_idx; i++) {
2303 if (strcmp(data_dir[i], path) == 0) {
2304 return; /* duplicate */
2305 }
2306 }
35471127 2307 data_dir[data_dir_idx++] = g_strdup(path);
2a1cce90
GH		 2308}
2309
6407d76e
GS		 2310static inline bool nonempty_str(const char *str)
2311{
2312 return str && *str;
2313}
2314
81b2b810
GS		 2315static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2316{
2317 gchar *buf;
2318 size_t size;
6407d76e 2319 const char *name, *file, *str;
bab47d9a 2320 FWCfgState *fw_cfg = (FWCfgState *) opaque;
81b2b810 2321
bab47d9a 2322 if (fw_cfg == NULL) {
81b2b810
GS		 2323 error_report("fw_cfg device not available");
2324 return -1;
2325 }
2326 name = qemu_opt_get(opts, "name");
2327 file = qemu_opt_get(opts, "file");
6407d76e
GS		 2328 str = qemu_opt_get(opts, "string");
2329
2330 /* we need name and either a file or the content string */
2331 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2332 error_report("invalid argument(s)");
2333 return -1;
2334 }
2335 if (nonempty_str(file) && nonempty_str(str)) {
2336 error_report("file and string are mutually exclusive");
81b2b810
GS		 2337 return -1;
2338 }
2339 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2340 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2341 return -1;
2342 }
2343 if (strncmp(name, "opt/", 4) != 0) {
3dc6f869
AF		 2344 warn_report("externally provided fw_cfg item names "
2345 "should be prefixed with \"opt/\"");
81b2b810 2346 }
6407d76e
GS		 2347 if (nonempty_str(str)) {
2348 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2349 buf = g_memdup(str, size);
2350 } else {
2351 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2352 error_report("can't load %s", file);
2353 return -1;
2354 }
81b2b810 2355 }
bab47d9a
GH		 2356 /* For legacy, keep user files in a specific global order. */
2357 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2358 fw_cfg_add_file(fw_cfg, name, buf, size);
2359 fw_cfg_reset_order_override(fw_cfg);
81b2b810
GS		 2360 return 0;
2361}
2362
28d0de7a 2363static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
ff952ba2
MA		 2364{
2365 return qdev_device_help(opts);
2366}
2367
28d0de7a 2368static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
f31d07d1 2369{
f006cf7f 2370 Error *err = NULL;
f31d07d1
GH		 2371 DeviceState *dev;
2372
f006cf7f
MA		 2373 dev = qdev_device_add(opts, &err);
2374 if (!dev) {
2375 error_report_err(err);
f31d07d1 2376 return -1;
f006cf7f 2377 }
b09995ae 2378 object_unref(OBJECT(dev));
f31d07d1
GH		 2379 return 0;
2380}
2381
28d0de7a 2382static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1a688d3b 2383{
bd2d80b2 2384 Error *local_err = NULL;
1a688d3b 2385
0ec846bf
AN		 2386 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2387 if (local_err) {
2388 error_report_err(local_err);
2389 return -1;
2390 }
2391 exit(0);
bd2d80b2 2392 }
1a688d3b
GH		 2393 return 0;
2394}
2395
758e8e38 2396#ifdef CONFIG_VIRTFS
28d0de7a 2397static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
74db920c 2398{
9be38598 2399 return qemu_fsdev_add(opts);
74db920c
GS		 2400}
2401#endif
2402
28d0de7a 2403static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
88589343 2404{
0ec7b3e7 2405 Chardev *chr;
88589343
GH		 2406 const char *chardev;
2407 const char *mode;
2408 int flags;
2409
2410 mode = qemu_opt_get(opts, "mode");
2411 if (mode == NULL) {
2412 mode = "readline";
2413 }
2414 if (strcmp(mode, "readline") == 0) {
2415 flags = MONITOR_USE_READLINE;
2416 } else if (strcmp(mode, "control") == 0) {
2417 flags = MONITOR_USE_CONTROL;
2418 } else {
f61eddcb 2419 error_report("unknown monitor mode \"%s\"", mode);
88589343
GH		 2420 exit(1);
2421 }
2422
39eaab9a
DB		 2423 if (qemu_opt_get_bool(opts, "pretty", 0))
2424 flags |= MONITOR_USE_PRETTY;
2425
88589343
GH		 2426 chardev = qemu_opt_get(opts, "chardev");
2427 chr = qemu_chr_find(chardev);
2428 if (chr == NULL) {
f61eddcb 2429 error_report("chardev \"%s\" not found", chardev);
88589343
GH		 2430 exit(1);
2431 }
2432
2433 monitor_init(chr, flags);
2434 return 0;
2435}
2436
4821cd4c 2437static void monitor_parse(const char *optarg, const char *mode, bool pretty)
88589343
GH		 2438{
2439 static int monitor_device_index = 0;
2440 QemuOpts *opts;
2441 const char *p;
2442 char label[32];
88589343
GH		 2443
2444 if (strstart(optarg, "chardev:", &p)) {
2445 snprintf(label, sizeof(label), "%s", p);
2446 } else {
140e065d
JK		 2447 snprintf(label, sizeof(label), "compat_monitor%d",
2448 monitor_device_index);
88589343
GH		 2449 opts = qemu_chr_parse_compat(label, optarg);
2450 if (!opts) {
f61eddcb 2451 error_report("parse error: %s", optarg);
88589343
GH		 2452 exit(1);
2453 }
2454 }
2455
822ac12d 2456 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
f43e47db
MA		 2457 qemu_opt_set(opts, "mode", mode, &error_abort);
2458 qemu_opt_set(opts, "chardev", label, &error_abort);
cccb7967 2459 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
88589343
GH		 2460 monitor_device_index++;
2461}
2462
bd3c948d
GH		 2463struct device_config {
2464 enum {
aee1b935
GH		 2465 DEV_USB, /* -usbdevice */
2466 DEV_BT, /* -bt */
2467 DEV_SERIAL, /* -serial */
2468 DEV_PARALLEL, /* -parallel */
2469 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2470 DEV_DEBUGCON, /* -debugcon */
ef0c4a0d 2471 DEV_GDB, /* -gdb, -s */
3ef669e1 2472 DEV_SCLP, /* s390 sclp */
bd3c948d
GH		 2473 } type;
2474 const char *cmdline;
d9a5954d 2475 Location loc;
72cf2d4f 2476 QTAILQ_ENTRY(device_config) next;
bd3c948d 2477};
4fdcac0e
BS		 2478
2479static QTAILQ_HEAD(, device_config) device_configs =
2480 QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2481
2482static void add_device_config(int type, const char *cmdline)
2483{
2484 struct device_config *conf;
2485
7267c094 2486 conf = g_malloc0(sizeof(*conf));
bd3c948d
GH		 2487 conf->type = type;
2488 conf->cmdline = cmdline;
d9a5954d 2489 loc_save(&conf->loc);
72cf2d4f 2490 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2491}
2492
2493static int foreach_device_config(int type, int (*func)(const char *cmdline))
2494{
2495 struct device_config *conf;
2496 int rc;
2497
72cf2d4f 2498 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2499 if (conf->type != type)
2500 continue;
d9a5954d 2501 loc_push_restore(&conf->loc);
bd3c948d 2502 rc = func(conf->cmdline);
d9a5954d 2503 loc_pop(&conf->loc);
28de2f88 2504 if (rc) {
bd3c948d 2505 return rc;
28de2f88 2506 }
bd3c948d
GH		 2507 }
2508 return 0;
2509}
2510
998bbd74
GH		 2511static int serial_parse(const char *devname)
2512{
2513 static int index = 0;
2514 char label[32];
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_SERIAL_PORTS) {
f61eddcb 2519 error_report("too many serial ports");
998bbd74
GH		 2520 exit(1);
2521 }
2522 snprintf(label, sizeof(label), "serial%d", index);
b4948be9 2523 serial_hds[index] = qemu_chr_new(label, devname);
998bbd74 2524 if (!serial_hds[index]) {
f61eddcb
EH		 2525 error_report("could not connect serial device"
2526 " to character backend '%s'", devname);
998bbd74
GH		 2527 return -1;
2528 }
2529 index++;
2530 return 0;
2531}
2532
6a5e8b0e
GH		 2533static int parallel_parse(const char *devname)
2534{
2535 static int index = 0;
2536 char label[32];
2537
2538 if (strcmp(devname, "none") == 0)
2539 return 0;
2540 if (index == MAX_PARALLEL_PORTS) {
f61eddcb 2541 error_report("too many parallel ports");
6a5e8b0e
GH		 2542 exit(1);
2543 }
2544 snprintf(label, sizeof(label), "parallel%d", index);
b4948be9 2545 parallel_hds[index] = qemu_chr_new(label, devname);
6a5e8b0e 2546 if (!parallel_hds[index]) {
f61eddcb
EH		 2547 error_report("could not connect parallel device"
2548 " to character backend '%s'", devname);
6a5e8b0e
GH		 2549 return -1;
2550 }
2551 index++;
2552 return 0;
2553}
2554
aee1b935
GH		 2555static int virtcon_parse(const char *devname)
2556{
3329f07b 2557 QemuOptsList *device = qemu_find_opts("device");
aee1b935
GH		 2558 static int index = 0;
2559 char label[32];
392ecf54 2560 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH		 2561
2562 if (strcmp(devname, "none") == 0)
2563 return 0;
2564 if (index == MAX_VIRTIO_CONSOLES) {
f61eddcb 2565 error_report("too many virtio consoles");
aee1b935
GH		 2566 exit(1);
2567 }
392ecf54 2568
87ea75d5 2569 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
7b3fdbd9 2570 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
392ecf54 2571
87ea75d5 2572 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
f43e47db 2573 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
392ecf54 2574
aee1b935 2575 snprintf(label, sizeof(label), "virtcon%d", index);
b4948be9 2576 virtcon_hds[index] = qemu_chr_new(label, devname);
aee1b935 2577 if (!virtcon_hds[index]) {
f61eddcb
EH		 2578 error_report("could not connect virtio console"
2579 " to character backend '%s'", devname);
aee1b935
GH		 2580 return -1;
2581 }
f43e47db 2582 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
392ecf54 2583
aee1b935
GH		 2584 index++;
2585 return 0;
2586}
2587
3ef669e1
AG		 2588static int sclp_parse(const char *devname)
2589{
2590 QemuOptsList *device = qemu_find_opts("device");
2591 static int index = 0;
2592 char label[32];
2593 QemuOpts *dev_opts;
2594
2595 if (strcmp(devname, "none") == 0) {
2596 return 0;
2597 }
2598 if (index == MAX_SCLP_CONSOLES) {
f61eddcb 2599 error_report("too many sclp consoles");
3ef669e1
AG		 2600 exit(1);
2601 }
2602
2603 assert(arch_type == QEMU_ARCH_S390X);
2604
2605 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
f43e47db 2606 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
3ef669e1
AG		 2607
2608 snprintf(label, sizeof(label), "sclpcon%d", index);
b4948be9 2609 sclp_hds[index] = qemu_chr_new(label, devname);
3ef669e1 2610 if (!sclp_hds[index]) {
f61eddcb
EH		 2611 error_report("could not connect sclp console"
2612 " to character backend '%s'", devname);
3ef669e1
AG		 2613 return -1;
2614 }
f43e47db 2615 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
3ef669e1
AG		 2616
2617 index++;
2618 return 0;
2619}
2620
c9f398e5 2621static int debugcon_parse(const char *devname)
4d8b3c63 2622{
c9f398e5
PA		 2623 QemuOpts *opts;
2624
b4948be9 2625 if (!qemu_chr_new("debugcon", devname)) {
c9f398e5
PA		 2626 exit(1);
2627 }
8be7e7e4 2628 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
c9f398e5 2629 if (!opts) {
f61eddcb 2630 error_report("already have a debugcon device");
c9f398e5
PA		 2631 exit(1);
2632 }
f43e47db
MA		 2633 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2634 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
c9f398e5
PA		 2635 return 0;
2636}
2637
2709f263
LE		 2638static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2639{
2640 const MachineClass *mc1 = a, *mc2 = b;
2641 int res;
2642
2643 if (mc1->family == NULL) {
2644 if (mc2->family == NULL) {
2645 /* Compare standalone machine types against each other; they sort
2646 * in increasing order.
2647 */
2648 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2649 object_class_get_name(OBJECT_CLASS(mc2)));
2650 }
2651
2652 /* Standalone machine types sort after families. */
2653 return 1;
2654 }
2655
2656 if (mc2->family == NULL) {
2657 /* Families sort before standalone machine types. */
2658 return -1;
2659 }
2660
2661 /* Families sort between each other alphabetically increasingly. */
2662 res = strcmp(mc1->family, mc2->family);
2663 if (res != 0) {
2664 return res;
2665 }
2666
2667 /* Within the same family, machine types sort in decreasing order. */
2668 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2669 object_class_get_name(OBJECT_CLASS(mc1)));
2670}
2671
2672 static MachineClass *machine_parse(const char *name)
9052ea6b 2673{
0056ae24 2674 MachineClass *mc = NULL;
261747f1 2675 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
9052ea6b
JK		 2676
2677 if (name) {
0056ae24 2678 mc = find_machine(name);
9052ea6b 2679 }
0056ae24 2680 if (mc) {
02f292d9 2681 g_slist_free(machines);
0056ae24 2682 return mc;
9052ea6b 2683 }
025172d5 2684 if (name && !is_help_option(name)) {
3e515373 2685 error_report("unsupported machine type");
8afb9000 2686 error_printf("Use -machine help to list supported machines\n");
025172d5
MR		 2687 } else {
2688 printf("Supported machines are:\n");
2709f263 2689 machines = g_slist_sort(machines, machine_class_cmp);
025172d5
MR		 2690 for (el = machines; el; el = el->next) {
2691 MachineClass *mc = el->data;
958db90c
MA		 2692 if (mc->alias) {
2693 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
025172d5 2694 }
958db90c
MA		 2695 printf("%-20s %s%s\n", mc->name, mc->desc,
2696 mc->is_default ? " (default)" : "");
9052ea6b 2697 }
9052ea6b 2698 }
261747f1
MA		 2699
2700 g_slist_free(machines);
c8057f95 2701 exit(!name || !is_help_option(name));
9052ea6b
JK		 2702}
2703
fd42deeb
GH		 2704void qemu_add_exit_notifier(Notifier *notify)
2705{
2706 notifier_list_add(&exit_notifiers, notify);
2707}
2708
2709void qemu_remove_exit_notifier(Notifier *notify)
2710{
31552529 2711 notifier_remove(notify);
fd42deeb
GH		 2712}
2713
2714static void qemu_run_exit_notifiers(void)
2715{
9e8dd451 2716 notifier_list_notify(&exit_notifiers, NULL);
fd42deeb
GH		 2717}
2718
71cdd1cb
PB		 2719static bool machine_init_done;
2720
4cab946a
GN		 2721void qemu_add_machine_init_done_notifier(Notifier *notify)
2722{
2723 notifier_list_add(&machine_init_done_notifiers, notify);
71cdd1cb
PB		 2724 if (machine_init_done) {
2725 notify->notify(notify, NULL);
2726 }
4cab946a
GN		 2727}
2728
b86eacb8
MA		 2729void qemu_remove_machine_init_done_notifier(Notifier *notify)
2730{
2731 notifier_remove(notify);
2732}
2733
4cab946a
GN		 2734static void qemu_run_machine_init_done_notifiers(void)
2735{
9e8dd451 2736 notifier_list_notify(&machine_init_done_notifiers, NULL);
71cdd1cb 2737 machine_init_done = true;
4cab946a
GN		 2738}
2739
6530a97b
AL		 2740static const QEMUOption *lookup_opt(int argc, char **argv,
2741 const char **poptarg, int *poptind)
2742{
2743 const QEMUOption *popt;
2744 int optind = *poptind;
2745 char *r = argv[optind];
2746 const char *optarg;
2747
0f0bc3f1 2748 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2749 optind++;
2750 /* Treat --foo the same as -foo. */
2751 if (r[1] == '-')
2752 r++;
2753 popt = qemu_options;
2754 for(;;) {
2755 if (!popt->name) {
0f0bc3f1 2756 error_report("invalid option");
6530a97b
AL		 2757 exit(1);
2758 }
2759 if (!strcmp(popt->name, r + 1))
2760 break;
2761 popt++;
2762 }
2763 if (popt->flags & HAS_ARG) {
2764 if (optind >= argc) {
0f0bc3f1 2765 error_report("requires an argument");
6530a97b
AL		 2766 exit(1);
2767 }
2768 optarg = argv[optind++];
0f0bc3f1 2769 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2770 } else {
2771 optarg = NULL;
2772 }
2773
2774 *poptarg = optarg;
2775 *poptind = optind;
2776
2777 return popt;
2778}
2779
7580f231 2780static MachineClass *select_machine(void)
34f405ae 2781{
7580f231 2782 MachineClass *machine_class = find_default_machine();
34f405ae
MA		 2783 const char *optarg;
2784 QemuOpts *opts;
2785 Location loc;
2786
2787 loc_push_none(&loc);
2788
2789 opts = qemu_get_machine_opts();
2790 qemu_opts_loc_restore(opts);
2791
2792 optarg = qemu_opt_get(opts, "type");
2793 if (optarg) {
7580f231 2794 machine_class = machine_parse(optarg);
34f405ae
MA		 2795 }
2796
7580f231 2797 if (!machine_class) {
34f405ae
MA		 2798 error_report("No machine specified, and there is no default");
2799 error_printf("Use -machine help to list supported machines\n");
2800 exit(1);
2801 }
2802
2803 loc_pop(&loc);
7580f231 2804 return machine_class;
34f405ae
MA		 2805}
2806
71df1d83
MA		 2807static int machine_set_property(void *opaque,
2808 const char *name, const char *value,
2809 Error **errp)
68d98d3e
AL		 2810{
2811 Object *obj = OBJECT(opaque);
68d98d3e 2812 Error *local_err = NULL;
f279ee45 2813 char *p, *qom_name;
68d98d3e 2814
d2659e27 2815 if (strcmp(name, "type") == 0) {
68d98d3e
AL		 2816 return 0;
2817 }
2818
b0ddb8bf 2819 qom_name = g_strdup(name);
f279ee45
MA		 2820 for (p = qom_name; *p; p++) {
2821 if (*p == '_') {
2822 *p = '-';
b0ddb8bf
MA		 2823 }
2824 }
2825
2e16898a 2826 object_property_parse(obj, value, qom_name, &local_err);
b0ddb8bf 2827 g_free(qom_name);
68d98d3e
AL		 2828
2829 if (local_err) {
a720a390 2830 error_report_err(local_err);
68d98d3e
AL		 2831 return -1;
2832 }
2833
2834 return 0;
2835}
2836
f08f9271
DB		 2837
2838/*
2839 * Initial object creation happens before all other
2840 * QEMU data types are created. The majority of objects
2841 * can be created at this point. The rng-egd object
2842 * cannot be created here, as it depends on the chardev
2843 * already existing.
2844 */
2845static bool object_create_initial(const char *type)
2846{
7c9e5276
PB		 2847 if (g_str_equal(type, "rng-egd") ||
2848 g_str_has_prefix(type, "pr-manager-")) {
f08f9271
DB		 2849 return false;
2850 }
7dbb11c8 2851
9d3e12e8
TH		 2852 /*
2853 * return false for concrete netfilters since
2854 * they depend on netdevs already existing
2855 */
2856 if (g_str_equal(type, "filter-buffer") ||
f6d3afb5 2857 g_str_equal(type, "filter-dump") ||
d46f75b2 2858 g_str_equal(type, "filter-mirror") ||
7dce4e6f 2859 g_str_equal(type, "filter-redirector") ||
e6eee8ab 2860 g_str_equal(type, "colo-compare") ||
646c5478
PD		 2861 g_str_equal(type, "filter-rewriter") ||
2862 g_str_equal(type, "filter-replay")) {
7dbb11c8
YH		 2863 return false;
2864 }
2865
6546d0db
EH		 2866 /* Memory allocation by backends needs to be done
2867 * after configure_accelerator() (due to the tcg_enabled()
2868 * checks at memory_region_init_*()).
2869 *
2870 * Also, allocation of large amounts of memory may delay
2871 * chardev initialization for too long, and trigger timeouts
2872 * on software that waits for a monitor socket to be created
2873 * (e.g. libvirt).
2874 */
2875 if (g_str_has_prefix(type, "memory-backend-")) {
2876 return false;
2877 }
2878
f08f9271
DB		 2879 return true;
2880}
2881
2882
2883/*
2884 * The remainder of object creation happens after the
9abce56d 2885 * creation of chardev, fsdev, net clients and device data types.
f08f9271
DB		 2886 */
2887static bool object_create_delayed(const char *type)
2888{
2889 return !object_create_initial(type);
2890}
2891
2892
076b35b5
ND		 2893static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2894 MachineClass *mc)
3b9985e9
MA		 2895{
2896 uint64_t sz;
2897 const char *mem_str;
2898 const char *maxmem_str, *slots_str;
076b35b5 2899 const ram_addr_t default_ram_size = mc->default_ram_size;
3b9985e9 2900 QemuOpts *opts = qemu_find_opts_singleton("memory");
bbe2d25c
EH		 2901 Location loc;
2902
2903 loc_push_none(&loc);
2904 qemu_opts_loc_restore(opts);
3b9985e9
MA		 2905
2906 sz = 0;
2907 mem_str = qemu_opt_get(opts, "size");
2908 if (mem_str) {
2909 if (!*mem_str) {
2910 error_report("missing 'size' option value");
2911 exit(EXIT_FAILURE);
2912 }
2913
2914 sz = qemu_opt_get_size(opts, "size", ram_size);
2915
2916 /* Fix up legacy suffix-less format */
2917 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2918 uint64_t overflow_check = sz;
2919
2920 sz <<= 20;
2921 if ((sz >> 20) != overflow_check) {
2922 error_report("too large 'size' option value");
2923 exit(EXIT_FAILURE);
2924 }
2925 }
2926 }
2927
2928 /* backward compatibility behaviour for case "-m 0" */
2929 if (sz == 0) {
2930 sz = default_ram_size;
2931 }
2932
2933 sz = QEMU_ALIGN_UP(sz, 8192);
2934 ram_size = sz;
2935 if (ram_size != sz) {
2936 error_report("ram size too large");
2937 exit(EXIT_FAILURE);
2938 }
2939
2940 /* store value for the future use */
39101f25 2941 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3b9985e9
MA		 2942 *maxram_size = ram_size;
2943
2944 maxmem_str = qemu_opt_get(opts, "maxmem");
2945 slots_str = qemu_opt_get(opts, "slots");
2946 if (maxmem_str && slots_str) {
2947 uint64_t slots;
2948
2949 sz = qemu_opt_get_size(opts, "maxmem", 0);
214224ad 2950 slots = qemu_opt_get_number(opts, "slots", 0);
3b9985e9 2951 if (sz < ram_size) {
214224ad
PK		 2952 error_report("invalid value of -m option maxmem: "
2953 "maximum memory size (0x%" PRIx64 ") must be at least "
2954 "the initial memory size (0x" RAM_ADDR_FMT ")",
2955 sz, ram_size);
3b9985e9 2956 exit(EXIT_FAILURE);
214224ad
PK		 2957 } else if (sz > ram_size) {
2958 if (!slots) {
2959 error_report("invalid value of -m option: maxmem was "
2960 "specified, but no hotplug slots were specified");
2961 exit(EXIT_FAILURE);
2962 }
2963 } else if (slots) {
2964 error_report("invalid value of -m option maxmem: "
2965 "memory slots were specified but maximum memory size "
2966 "(0x%" PRIx64 ") is equal to the initial memory size "
2967 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3b9985e9
MA		 2968 exit(EXIT_FAILURE);
2969 }
2970
3b9985e9
MA		 2971 *maxram_size = sz;
2972 *ram_slots = slots;
2973 } else if ((!maxmem_str && slots_str) ||
2974 (maxmem_str && !slots_str)) {
2975 error_report("invalid -m option value: missing "
2976 "'%s' option", slots_str ? "maxmem" : "slots");
2977 exit(EXIT_FAILURE);
2978 }
bbe2d25c
EH		 2979
2980 loc_pop(&loc);
3b9985e9
MA		 2981}
2982
8d76bfe8
EH		 2983static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2984{
2985 GlobalProperty *g;
2986
2987 g = g_malloc0(sizeof(*g));
2988 g->driver = qemu_opt_get(opts, "driver");
2989 g->property = qemu_opt_get(opts, "property");
2990 g->value = qemu_opt_get(opts, "value");
2991 g->user_provided = true;
03f28efb 2992 g->errp = &error_fatal;
8d76bfe8
EH		 2993 qdev_prop_register_global(g);
2994 return 0;
2995}
2996
726401be
EH		 2997static int qemu_read_default_config_file(void)
2998{
2999 int ret;
3000
3001 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3002 if (ret < 0 && ret != -ENOENT) {
3003 return ret;
3004 }
3005
3006 return 0;
3007}
3008
a0660e0b
PX		 3009static void user_register_global_props(void)
3010{
3011 qemu_opts_foreach(qemu_find_opts("global"),
3012 global_init_func, NULL, NULL);
3013}
3014
3015/*
3016 * Note: we should see that these properties are actually having a
3017 * priority: accel < machine < user. This means e.g. when user
3018 * specifies something in "-global", it'll always be used with highest
3019 * priority than either machine/accelerator compat properties.
3020 */
3021static void register_global_properties(MachineState *ms)
3022{
3023 accel_register_compat_props(ms->accelerator);
3024 machine_register_compat_props(ms);
3025 user_register_global_props();
3026}
3027
902b3d5c 3028int main(int argc, char **argv, char **envp)
0824d6fc 3029{
e4bcb14c 3030 int i;
da1fcfda 3031 int snapshot, linux_boot;
7f7f9873 3032 const char *initrd_filename;
a20dd508 3033 const char *kernel_filename, *kernel_cmdline;
f05f47bb
GA		 3034 const char *boot_order = NULL;
3035 const char *boot_once = NULL;
3023f332 3036 DisplayState *ds;
8d4e9146 3037 QemuOpts *opts, *machine_opts;
d1cdd92e 3038 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
03b0ba70 3039 QemuOptsList *olist;
cd6f1169 3040 int optind;
6530a97b 3041 const char *optarg;
d63d307f 3042 const char *loadvm = NULL;
0056ae24 3043 MachineClass *machine_class;
94fc95cd 3044 const char *cpu_model;
d44229c5 3045 const char *vga_model = NULL;
d4fce24f
PB		 3046 const char *qtest_chrdev = NULL;
3047 const char *qtest_log = NULL;
93815bc2 3048 const char *pid_file = NULL;
5bb7910a 3049 const char *incoming = NULL;
f29a5614 3050 bool userconfig = true;
cfc58cf3 3051 bool nographic = false;
d29345d0 3052 DisplayType display_type = DT_DEFAULT;
1f0dfe02 3053 int display_remote = 0;
c235d738
MF		 3054 const char *log_mask = NULL;
3055 const char *log_file = NULL;
41fc57e4 3056 char *trace_file = NULL;
3b9985e9 3057 ram_addr_t maxram_size;
c270fb9e 3058 uint64_t ram_slots = 0;
abfd9ce3 3059 FILE *vmstate_dump_file = NULL;
2f78e491 3060 Error *main_loop_err = NULL;
ddbb0d09 3061 Error *err = NULL;
37146e7e 3062 bool list_data_dirs = false;
35471127 3063 char *dir, **dirs;
42e5f393
MA		 3064 typedef struct BlockdevOptions_queue {
3065 BlockdevOptions *bdo;
3066 Location loc;
3067 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3068 } BlockdevOptions_queue;
3069 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3070 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
0b5538c3 3071
fe4db84d
DB		 3072 module_call_init(MODULE_INIT_TRACE);
3073
267f685b 3074 qemu_init_cpu_list();
576a94d8
PB		 3075 qemu_init_cpu_loop();
3076 qemu_mutex_lock_iothread();
3077
fd42deeb 3078 atexit(qemu_run_exit_notifiers);
65abca0a 3079 error_set_progname(argv[0]);
10f5bff6 3080 qemu_init_exec_dir(argv[0]);
65abca0a 3081
1b71f7c1 3082 module_call_init(MODULE_INIT_QOM);
05875687 3083 monitor_init_qmp_commands();
1b71f7c1 3084
4d454574 3085 qemu_add_opts(&qemu_drive_opts);
968854c8
AK		 3086 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3087 qemu_add_drive_opts(&qemu_common_drive_opts);
3088 qemu_add_drive_opts(&qemu_drive_opts);
c5f3014b 3089 qemu_add_drive_opts(&bdrv_runtime_opts);
4d454574
PB		 3090 qemu_add_opts(&qemu_chardev_opts);
3091 qemu_add_opts(&qemu_device_opts);
3092 qemu_add_opts(&qemu_netdev_opts);
3093 qemu_add_opts(&qemu_net_opts);
3094 qemu_add_opts(&qemu_rtc_opts);
3095 qemu_add_opts(&qemu_global_opts);
3096 qemu_add_opts(&qemu_mon_opts);
3097 qemu_add_opts(&qemu_trace_opts);
3098 qemu_add_opts(&qemu_option_rom_opts);
3099 qemu_add_opts(&qemu_machine_opts);
8d4e9146 3100 qemu_add_opts(&qemu_accel_opts);
6e1d3c1c 3101 qemu_add_opts(&qemu_mem_opts);
12b7f57e 3102 qemu_add_opts(&qemu_smp_opts);
4d454574
PB		 3103 qemu_add_opts(&qemu_boot_opts);
3104 qemu_add_opts(&qemu_sandbox_opts);
3105 qemu_add_opts(&qemu_add_fd_opts);
3106 qemu_add_opts(&qemu_object_opts);
d1a0cf73 3107 qemu_add_opts(&qemu_tpmdev_opts);
888a6bc6 3108 qemu_add_opts(&qemu_realtime_opts);
5e2ac519 3109 qemu_add_opts(&qemu_msg_opts);
5d12f961 3110 qemu_add_opts(&qemu_name_opts);
0042109a 3111 qemu_add_opts(&qemu_numa_opts);
1ad9580b 3112 qemu_add_opts(&qemu_icount_opts);
a38bb079 3113 qemu_add_opts(&qemu_semihosting_config_opts);
81b2b810 3114 qemu_add_opts(&qemu_fw_cfg_opts);
34294e2f 3115 module_call_init(MODULE_INIT_OPTS);
4d454574 3116
5db9d4d1
LC		 3117 runstate_init();
3118
ddbb0d09 3119 if (qcrypto_init(&err) < 0) {
c29b77f9 3120 error_reportf_err(err, "cannot initialize crypto: ");
ddbb0d09
DB		 3121 exit(1);
3122 }
884f17c2 3123 rtc_clock = QEMU_CLOCK_HOST;
6875204c 3124
72cf2d4f 3125 QLIST_INIT (&vm_change_state_head);
fe98ac14 3126 os_setup_early_signal_handling();
be995c27 3127
94fc95cd 3128 cpu_model = NULL;
33e3963e 3129 snapshot = 0;
c4b1fcc0 3130
7c9d8e07 3131 nb_nics = 0;
3b46e624 3132
142c6b1a
PL		 3133 bdrv_init_with_whitelist();
3134
2c02d1ad 3135 autostart = 1;
41bd639b 3136
292444cb
AL		 3137 /* first pass of option parsing */
3138 optind = 1;
3139 while (optind < argc) {
3140 if (argv[optind][0] != '-') {
3141 /* disk image */
28e68d68 3142 optind++;
292444cb
AL		 3143 } else {
3144 const QEMUOption *popt;
3145
3146 popt = lookup_opt(argc, argv, &optarg, &optind);
3147 switch (popt->index) {
3148 case QEMU_OPTION_nodefconfig:
f29a5614
EH		 3149 case QEMU_OPTION_nouserconfig:
3150 userconfig = false;
3151 break;
292444cb
AL		 3152 }
3153 }
3154 }
3155
1ea06c39 3156 if (userconfig) {
726401be 3157 if (qemu_read_default_config_file() < 0) {
dcfb0939 3158 exit(1);
292444cb
AL		 3159 }
3160 }
3161
3162 /* second pass of option parsing */
cd6f1169 3163 optind = 1;
0824d6fc 3164 for(;;) {
cd6f1169 3165 if (optind >= argc)
0824d6fc 3166 break;
6530a97b 3167 if (argv[optind][0] != '-') {
d1cdd92e 3168 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
cd6f1169
FB		 3169 } else {
3170 const QEMUOption *popt;
3171
6530a97b 3172 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a 3173 if (!(popt->arch_mask & arch_type)) {
da002526 3174 error_report("Option not supported for this target");
ad96090a
BS		 3175 exit(1);
3176 }
cd6f1169 3177 switch(popt->index) {
e43d594e
JK		 3178 case QEMU_OPTION_no_kvm_irqchip: {
3179 olist = qemu_find_opts("machine");
70b94331 3180 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
e43d594e
JK		 3181 break;
3182 }
94fc95cd
JM		 3183 case QEMU_OPTION_cpu:
3184 /* hw initialization will check this */
ecf40bea 3185 cpu_model = optarg;
94fc95cd 3186 break;
cd6f1169 3187 case QEMU_OPTION_hda:
cd6f1169 3188 case QEMU_OPTION_hdb:
cc1daa40
FB		 3189 case QEMU_OPTION_hdc:
3190 case QEMU_OPTION_hdd:
2292ddae
MA		 3191 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3192 HD_OPTS);
fc01f7e7 3193 break;
42e5f393
MA		 3194 case QEMU_OPTION_blockdev:
3195 {
3196 Visitor *v;
3197 BlockdevOptions_queue *bdo;
3198
3199 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3200 if (!v) {
3201 error_report_err(err);
3202 exit(1);
3203 }
3204
3205 bdo = g_new(BlockdevOptions_queue, 1);
3206 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3207 &error_fatal);
3208 visit_free(v);
3209 loc_save(&bdo->loc);
3210 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3211 break;
3212 }
e4bcb14c 3213 case QEMU_OPTION_drive:
e2982c3a
MT		 3214 if (drive_def(optarg) == NULL) {
3215 exit(1);
3216 }
99efa84d 3217 break;
d058fe03
GH		 3218 case QEMU_OPTION_set:
3219 if (qemu_set_option(optarg) != 0)
3220 exit(1);
99efa84d 3221 break;
d0fef6fb
GH		 3222 case QEMU_OPTION_global:
3223 if (qemu_global_option(optarg) != 0)
3224 exit(1);
99efa84d 3225 break;
3e3d5815 3226 case QEMU_OPTION_mtdblock:
2292ddae 3227 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3e3d5815 3228 break;
a1bb27b1 3229 case QEMU_OPTION_sd:
80f4d9fc 3230 drive_add(IF_SD, -1, optarg, SD_OPTS);
a1bb27b1 3231 break;
86f55663 3232 case QEMU_OPTION_pflash:
2292ddae 3233 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
86f55663 3234 break;
cd6f1169 3235 case QEMU_OPTION_snapshot:
33e3963e
FB		 3236 snapshot = 1;
3237 break;
268a362c 3238 case QEMU_OPTION_numa:
70b94331
MA		 3239 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3240 optarg, true);
0042109a
WG		 3241 if (!opts) {
3242 exit(1);
3243 }
268a362c 3244 break;
1472a95b
JS		 3245 case QEMU_OPTION_display:
3246 display_type = select_display(optarg);
3247 break;
cd6f1169 3248 case QEMU_OPTION_nographic:
cfc58cf3
EH		 3249 olist = qemu_find_opts("machine");
3250 qemu_opts_parse_noisily(olist, "graphics=off", false);
3251 nographic = true;
3252 display_type = DT_NONE;
a20dd508 3253 break;
4d3b6f6e 3254 case QEMU_OPTION_curses:
47b05369 3255#ifdef CONFIG_CURSES
993fbfdb 3256 display_type = DT_CURSES;
47b05369 3257#else
3e515373 3258 error_report("curses support is disabled");
47b05369 3259 exit(1);
4d3b6f6e 3260#endif
47b05369 3261 break;
a171fe39 3262 case QEMU_OPTION_portrait:
9312805d
VK		 3263 graphic_rotate = 90;
3264 break;
3265 case QEMU_OPTION_rotate:
3266 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3267 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3268 graphic_rotate != 180 && graphic_rotate != 270) {
f61eddcb 3269 error_report("only 90, 180, 270 deg rotation is available");
9312805d
VK		 3270 exit(1);
3271 }
a171fe39 3272 break;
cd6f1169 3273 case QEMU_OPTION_kernel:
79087c78
MA		 3274 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3275 &error_abort);
a0abe474
PM		 3276 break;
3277 case QEMU_OPTION_initrd:
79087c78
MA		 3278 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3279 &error_abort);
a20dd508 3280 break;
cd6f1169 3281 case QEMU_OPTION_append:
79087c78
MA		 3282 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3283 &error_abort);
313aa567 3284 break;
412beee6 3285 case QEMU_OPTION_dtb:
79087c78
MA		 3286 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3287 &error_abort);
412beee6 3288 break;
cd6f1169 3289 case QEMU_OPTION_cdrom:
2292ddae 3290 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
36b486bb 3291 break;
cd6f1169 3292 case QEMU_OPTION_boot:
70b94331
MA		 3293 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3294 optarg, true);
8281abd5
MA		 3295 if (!opts) {
3296 exit(1);
36b486bb
FB		 3297 }
3298 break;
cd6f1169 3299 case QEMU_OPTION_fda:
cd6f1169 3300 case QEMU_OPTION_fdb:
2292ddae
MA		 3301 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3302 optarg, FD_OPTS);
c45886db 3303 break;
52ca8d6a
FB		 3304 case QEMU_OPTION_no_fd_bootchk:
3305 fd_bootchk = 0;
3306 break;
a1ea458f 3307 case QEMU_OPTION_netdev:
d30300f7 3308 default_net = 0;
3329f07b 3309 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
a1ea458f
MM		 3310 exit(1);
3311 }
3312 break;
7c9d8e07 3313 case QEMU_OPTION_net:
d30300f7 3314 default_net = 0;
3329f07b 3315 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
c4b1fcc0
FB		 3316 exit(1);
3317 }
702c651c 3318 break;
f9dadc98
RS		 3319#ifdef CONFIG_LIBISCSI
3320 case QEMU_OPTION_iscsi:
70b94331
MA		 3321 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3322 optarg, false);
f9dadc98
RS		 3323 if (!opts) {
3324 exit(1);
3325 }
3326 break;
3327#endif
c7f74643
FB		 3328#ifdef CONFIG_SLIRP
3329 case QEMU_OPTION_tftp:
f853ac66
TH		 3330 error_report("The -tftp option is deprecated. "
3331 "Please use '-netdev user,tftp=...' instead.");
ad196a9d 3332 legacy_tftp_prefix = optarg;
9bf05444 3333 break;
47d5d01a 3334 case QEMU_OPTION_bootp:
f853ac66
TH		 3335 error_report("The -bootp option is deprecated. "
3336 "Please use '-netdev user,bootfile=...' instead.");
ad196a9d 3337 legacy_bootp_filename = optarg;
47d5d01a 3338 break;
9bf05444 3339 case QEMU_OPTION_redir:
f853ac66
TH		 3340 error_report("The -redir option is deprecated. "
3341 "Please use '-netdev user,hostfwd=...' instead.");
0752706d
MA		 3342 if (net_slirp_redir(optarg) < 0)
3343 exit(1);
9bf05444 3344 break;
c7f74643 3345#endif
dc72ac14 3346 case QEMU_OPTION_bt:
bd3c948d 3347 add_device_config(DEV_BT, optarg);
dc72ac14 3348 break;
1d14ffa9
FB		 3349 case QEMU_OPTION_audio_help:
3350 AUD_help ();
3351 exit (0);
3352 break;
3353 case QEMU_OPTION_soundhw:
3354 select_soundhw (optarg);
3355 break;
cd6f1169 3356 case QEMU_OPTION_h:
15f82208 3357 help(0);
cd6f1169 3358 break;
9bd7e6d9
PB		 3359 case QEMU_OPTION_version:
3360 version();
3361 exit(0);
3362 break;
3b9985e9 3363 case QEMU_OPTION_m:
70b94331
MA		 3364 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3365 optarg, true);
6e1d3c1c
IM		 3366 if (!opts) {
3367 exit(EXIT_FAILURE);
3368 }
cd6f1169 3369 break;
d1a0cf73
SB		 3370#ifdef CONFIG_TPM
3371 case QEMU_OPTION_tpmdev:
3372 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3373 exit(1);
3374 }
3375 break;
3376#endif
c902760f
MT		 3377 case QEMU_OPTION_mempath:
3378 mem_path = optarg;
3379 break;
c902760f
MT		 3380 case QEMU_OPTION_mem_prealloc:
3381 mem_prealloc = 1;
3382 break;
cd6f1169 3383 case QEMU_OPTION_d:
c235d738
MF		 3384 log_mask = optarg;
3385 break;
3386 case QEMU_OPTION_D:
3387 log_file = optarg;
cd6f1169 3388 break;
3514552e 3389 case QEMU_OPTION_DFILTER:
bd6fee9f 3390 qemu_set_dfilter_ranges(optarg, &error_fatal);
3514552e 3391 break;
cd6f1169 3392 case QEMU_OPTION_s:
ef0c4a0d 3393 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
cd6f1169 3394 break;
59030a8c 3395 case QEMU_OPTION_gdb:
ef0c4a0d 3396 add_device_config(DEV_GDB, optarg);
cd6f1169 3397 break;
cd6f1169 3398 case QEMU_OPTION_L:
37146e7e
RJ		 3399 if (is_help_option(optarg)) {
3400 list_data_dirs = true;
2a1cce90
GH		 3401 } else {
3402 qemu_add_data_dir(optarg);
4524051c 3403 }
cd6f1169 3404 break;
1192dad8 3405 case QEMU_OPTION_bios:
79087c78
MA		 3406 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3407 &error_abort);
1192dad8 3408 break;
1b530a6d
AJ		 3409 case QEMU_OPTION_singlestep:
3410 singlestep = 1;
3411 break;
cd6f1169 3412 case QEMU_OPTION_S:
3c07f8e8 3413 autostart = 0;
cd6f1169 3414 break;
99efa84d
MA		 3415 case QEMU_OPTION_k:
3416 keyboard_layout = optarg;
3417 break;
ee22c2f7
FB		 3418 case QEMU_OPTION_localtime:
3419 rtc_utc = 0;
3420 break;
3893c124 3421 case QEMU_OPTION_vga:
a369da5f 3422 vga_model = optarg;
7f1b17f2 3423 default_vga = 0;
1bfe856e 3424 break;
e9b137c2
FB		 3425 case QEMU_OPTION_g:
3426 {
3427 const char *p;
3428 int w, h, depth;
3429 p = optarg;
3430 w = strtol(p, (char **)&p, 10);
3431 if (w <= 0) {
3432 graphic_error:
f61eddcb 3433 error_report("invalid resolution or depth");
e9b137c2
FB		 3434 exit(1);
3435 }
3436 if (*p != 'x')
3437 goto graphic_error;
3438 p++;
3439 h = strtol(p, (char **)&p, 10);
3440 if (h <= 0)
3441 goto graphic_error;
3442 if (*p == 'x') {
3443 p++;
3444 depth = strtol(p, (char **)&p, 10);
5fafdf24 3445 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 3446 depth != 24 && depth != 32)
3447 goto graphic_error;
3448 } else if (*p == '\0') {
3449 depth = graphic_depth;
3450 } else {
3451 goto graphic_error;
3452 }
3b46e624 3453
e9b137c2
FB		 3454 graphic_width = w;
3455 graphic_height = h;
3456 graphic_depth = depth;
3457 }
3458 break;
20d8a3ed
TS		 3459 case QEMU_OPTION_echr:
3460 {
3461 char *r;
3462 term_escape_char = strtol(optarg, &r, 0);
3463 if (r == optarg)
3464 printf("Bad argument to echr\n");
3465 break;
3466 }
82c643ff 3467 case QEMU_OPTION_monitor:
6ca5582d 3468 default_monitor = 0;
70e098af 3469 if (strncmp(optarg, "none", 4)) {
4821cd4c 3470 monitor_parse(optarg, "readline", false);
70e098af 3471 }
6ca5582d
GH		 3472 break;
3473 case QEMU_OPTION_qmp:
4821cd4c
HR		 3474 monitor_parse(optarg, "control", false);
3475 default_monitor = 0;
3476 break;
3477 case QEMU_OPTION_qmp_pretty:
3478 monitor_parse(optarg, "control", true);
2d114dc1 3479 default_monitor = 0;
82c643ff 3480 break;
22a0e04b 3481 case QEMU_OPTION_mon:
70b94331
MA		 3482 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3483 true);
22a0e04b 3484 if (!opts) {
22a0e04b
GH		 3485 exit(1);
3486 }
2d114dc1 3487 default_monitor = 0;
22a0e04b 3488 break;
191bc01b 3489 case QEMU_OPTION_chardev:
70b94331
MA		 3490 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3491 optarg, true);
191bc01b 3492 if (!opts) {
191bc01b
GH		 3493 exit(1);
3494 }
191bc01b 3495 break;
74db920c 3496 case QEMU_OPTION_fsdev:
03b0ba70
GH		 3497 olist = qemu_find_opts("fsdev");
3498 if (!olist) {
5dfdae81 3499 error_report("fsdev support is disabled");
03b0ba70
GH		 3500 exit(1);
3501 }
70b94331 3502 opts = qemu_opts_parse_noisily(olist, optarg, true);
74db920c 3503 if (!opts) {
74db920c
GS		 3504 exit(1);
3505 }
3506 break;
3d54abc7 3507 case QEMU_OPTION_virtfs: {
e14ea479
SH		 3508 QemuOpts *fsdev;
3509 QemuOpts *device;
32b69436 3510 const char *writeout, *sock_fd, *socket, *path, *security_model;
3d54abc7 3511
03b0ba70
GH		 3512 olist = qemu_find_opts("virtfs");
3513 if (!olist) {
5dfdae81 3514 error_report("virtfs support is disabled");
03b0ba70
GH		 3515 exit(1);
3516 }
70b94331 3517 opts = qemu_opts_parse_noisily(olist, optarg, true);
3d54abc7 3518 if (!opts) {
3d54abc7
GS		 3519 exit(1);
3520 }
3521
fbcbf101 3522 if (qemu_opt_get(opts, "fsdriver") == NULL ||
99519f0a 3523 qemu_opt_get(opts, "mount_tag") == NULL) {
8afb9000 3524 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
9ce56db6
VJ		 3525 exit(1);
3526 }
e14ea479 3527 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3baa0a6a 3528 qemu_opts_id(opts) ?:
8be7e7e4
LC		 3529 qemu_opt_get(opts, "mount_tag"),
3530 1, NULL);
e14ea479 3531 if (!fsdev) {
3baa0a6a 3532 error_report("duplicate or invalid fsdev id: %s",
f61eddcb 3533 qemu_opt_get(opts, "mount_tag"));
3d54abc7
GS		 3534 exit(1);
3535 }
d3ab98e6
AK		 3536
3537 writeout = qemu_opt_get(opts, "writeout");
3538 if (writeout) {
3539#ifdef CONFIG_SYNC_FILE_RANGE
f43e47db 3540 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
d3ab98e6 3541#else
f61eddcb
EH		 3542 error_report("writeout=immediate not supported "
3543 "on this platform");
d3ab98e6
AK		 3544 exit(1);
3545#endif
3546 }
f43e47db
MA		 3547 qemu_opt_set(fsdev, "fsdriver",
3548 qemu_opt_get(opts, "fsdriver"), &error_abort);
32b69436
GK		 3549 path = qemu_opt_get(opts, "path");
3550 if (path) {
3551 qemu_opt_set(fsdev, "path", path, &error_abort);
3552 }
3553 security_model = qemu_opt_get(opts, "security_model");
3554 if (security_model) {
3555 qemu_opt_set(fsdev, "security_model", security_model,
3556 &error_abort);
3557 }
84a87cc4
MK		 3558 socket = qemu_opt_get(opts, "socket");
3559 if (socket) {
f43e47db 3560 qemu_opt_set(fsdev, "socket", socket, &error_abort);
84a87cc4 3561 }
4c793dda
MK		 3562 sock_fd = qemu_opt_get(opts, "sock_fd");
3563 if (sock_fd) {
f43e47db 3564 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
4c793dda 3565 }
e14ea479 3566
2c74c2cb 3567 qemu_opt_set_bool(fsdev, "readonly",
cccb7967
MA		 3568 qemu_opt_get_bool(opts, "readonly", 0),
3569 &error_abort);
87ea75d5
PC		 3570 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3571 &error_abort);
f43e47db 3572 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
e14ea479 3573 qemu_opt_set(device, "fsdev",
3baa0a6a 3574 qemu_opts_id(fsdev), &error_abort);
e14ea479 3575 qemu_opt_set(device, "mount_tag",
f43e47db 3576 qemu_opt_get(opts, "mount_tag"), &error_abort);
3d54abc7
GS		 3577 break;
3578 }
9db221ae
AK		 3579 case QEMU_OPTION_virtfs_synth: {
3580 QemuOpts *fsdev;
3581 QemuOpts *device;
3582
8be7e7e4
LC		 3583 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3584 1, NULL);
9db221ae 3585 if (!fsdev) {
f61eddcb 3586 error_report("duplicate option: %s", "virtfs_synth");
9db221ae
AK		 3587 exit(1);
3588 }
f43e47db 3589 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
9db221ae 3590
87ea75d5
PC		 3591 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3592 &error_abort);
f43e47db
MA		 3593 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3594 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3595 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
9db221ae
AK		 3596 break;
3597 }
82c643ff 3598 case QEMU_OPTION_serial:
998bbd74
GH		 3599 add_device_config(DEV_SERIAL, optarg);
3600 default_serial = 0;
18141ed6
JK		 3601 if (strncmp(optarg, "mon:", 4) == 0) {
3602 default_monitor = 0;
3603 }
82c643ff 3604 break;
9dd986cc 3605 case QEMU_OPTION_watchdog:
09aaa160 3606 if (watchdog) {
f61eddcb 3607 error_report("only one watchdog option may be given");
09aaa160
MA		 3608 return 1;
3609 }
3610 watchdog = optarg;
9dd986cc
RJ		 3611 break;
3612 case QEMU_OPTION_watchdog_action:
3613 if (select_watchdog_action(optarg) == -1) {
3e515373 3614 error_report("unknown -watchdog-action parameter");
9dd986cc
RJ		 3615 exit(1);
3616 }
3617 break;
51ecf136 3618 case QEMU_OPTION_virtiocon:
aee1b935
GH		 3619 add_device_config(DEV_VIRTCON, optarg);
3620 default_virtcon = 0;
18141ed6
JK		 3621 if (strncmp(optarg, "mon:", 4) == 0) {
3622 default_monitor = 0;
3623 }
51ecf136 3624 break;
6508fe59 3625 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 3626 add_device_config(DEV_PARALLEL, optarg);
3627 default_parallel = 0;
18141ed6
JK		 3628 if (strncmp(optarg, "mon:", 4) == 0) {
3629 default_monitor = 0;
3630 }
6508fe59 3631 break;
c9f398e5
PA		 3632 case QEMU_OPTION_debugcon:
3633 add_device_config(DEV_DEBUGCON, optarg);
3634 break;
99efa84d
MA		 3635 case QEMU_OPTION_loadvm:
3636 loadvm = optarg;
3637 break;
d63d307f
FB		 3638 case QEMU_OPTION_full_screen:
3639 full_screen = 1;
3640 break;
43523e93
TS		 3641 case QEMU_OPTION_no_frame:
3642 no_frame = 1;
3643 break;
3780e197
TS		 3644 case QEMU_OPTION_alt_grab:
3645 alt_grab = 1;
3646 break;
0ca9f8a4
DK		 3647 case QEMU_OPTION_ctrl_grab:
3648 ctrl_grab = 1;
3649 break;
667accab
TS		 3650 case QEMU_OPTION_no_quit:
3651 no_quit = 1;
3652 break;
7d957bd8 3653 case QEMU_OPTION_sdl:
24f6ff86 3654#ifdef CONFIG_SDL
993fbfdb 3655 display_type = DT_SDL;
7d957bd8 3656 break;
58fc096c 3657#else
f61eddcb 3658 error_report("SDL support is disabled");
58fc096c 3659 exit(1);
667accab 3660#endif
f7cce898 3661 case QEMU_OPTION_pidfile:
93815bc2 3662 pid_file = optarg;
f7cce898 3663 break;
a09db21f
FB		 3664 case QEMU_OPTION_win2k_hack:
3665 win2k_install_hack = 1;
3666 break;
433acf0d 3667 case QEMU_OPTION_rtc_td_hack: {
16714b16
EH		 3668 static GlobalProperty slew_lost_ticks = {
3669 .driver = "mc146818rtc",
3670 .property = "lost_tick_policy",
3671 .value = "slew",
433acf0d
JK		 3672 };
3673
16714b16 3674 qdev_prop_register_global(&slew_lost_ticks);
73822ec8 3675 break;
433acf0d 3676 }
8a92ea2f 3677 case QEMU_OPTION_acpitable:
70b94331
MA		 3678 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3679 optarg, true);
f46e720a
LE		 3680 if (!opts) {
3681 exit(1);
3682 }
9f57061c 3683 acpi_table_add(opts, &error_fatal);
8a92ea2f 3684 break;
b6f6e3d3 3685 case QEMU_OPTION_smbios:
70b94331
MA		 3686 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3687 optarg, false);
f46e720a
LE		 3688 if (!opts) {
3689 exit(1);
3690 }
1007a37e 3691 smbios_entry_add(opts, &error_fatal);
b6f6e3d3 3692 break;
81b2b810 3693 case QEMU_OPTION_fwcfg:
70b94331
MA		 3694 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3695 optarg, true);
81b2b810
GS		 3696 if (opts == NULL) {
3697 exit(1);
3698 }
3699 break;
7ba1e619 3700 case QEMU_OPTION_enable_kvm:
303d4e86 3701 olist = qemu_find_opts("machine");
70b94331 3702 qemu_opts_parse_noisily(olist, "accel=kvm", false);
303d4e86 3703 break;
b0cb0a66
VP		 3704 case QEMU_OPTION_enable_hax:
3705 olist = qemu_find_opts("machine");
3706 qemu_opts_parse_noisily(olist, "accel=hax", false);
3707 break;
364c3e6b 3708 case QEMU_OPTION_M:
303d4e86
AP		 3709 case QEMU_OPTION_machine:
3710 olist = qemu_find_opts("machine");
70b94331 3711 opts = qemu_opts_parse_noisily(olist, optarg, true);
303d4e86 3712 if (!opts) {
303d4e86
AP		 3713 exit(1);
3714 }
7ba1e619 3715 break;
a0dac021
JK		 3716 case QEMU_OPTION_no_kvm:
3717 olist = qemu_find_opts("machine");
70b94331 3718 qemu_opts_parse_noisily(olist, "accel=tcg", false);
a0dac021 3719 break;
c21fb4f8 3720 case QEMU_OPTION_no_kvm_pit_reinjection: {
16714b16
EH		 3721 static GlobalProperty kvm_pit_lost_tick_policy = {
3722 .driver = "kvm-pit",
3723 .property = "lost_tick_policy",
3724 .value = "discard",
c21fb4f8
JK		 3725 };
3726
3dc6f869
AF		 3727 warn_report("deprecated, replaced by "
3728 "-global kvm-pit.lost_tick_policy=discard");
16714b16 3729 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
c21fb4f8
JK		 3730 break;
3731 }
a20fa79f 3732 case QEMU_OPTION_accel:
8d4e9146
FK		 3733 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3734 optarg, true);
3735 optarg = qemu_opt_get(accel_opts, "accel");
bde4d920
TH		 3736 if (!optarg || is_help_option(optarg)) {
3737 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
a20fa79f 3738 exit(0);
8d4e9146 3739 }
a20fa79f
TH		 3740 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3741 false, &error_abort);
3742 qemu_opt_set(opts, "accel", optarg, &error_abort);
8d4e9146 3743 break;
bb36d470 3744 case QEMU_OPTION_usb:
fa5358c6 3745 olist = qemu_find_opts("machine");
70b94331 3746 qemu_opts_parse_noisily(olist, "usb=on", false);
bb36d470 3747 break;
a594cfbf 3748 case QEMU_OPTION_usbdevice:
a358a3af
TH		 3749 error_report("'-usbdevice' is deprecated, please use "
3750 "'-device usb-...' instead");
fa5358c6 3751 olist = qemu_find_opts("machine");
70b94331 3752 qemu_opts_parse_noisily(olist, "usb=on", false);
bd3c948d
GH		 3753 add_device_config(DEV_USB, optarg);
3754 break;
3755 case QEMU_OPTION_device:
70b94331
MA		 3756 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3757 optarg, true)) {
f31d07d1
GH		 3758 exit(1);
3759 }
a594cfbf 3760 break;
6a00d601 3761 case QEMU_OPTION_smp:
70b94331
MA		 3762 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3763 optarg, true)) {
6be68d7e
JS		 3764 exit(1);
3765 }
6a00d601 3766 break;
99efa84d 3767 case QEMU_OPTION_vnc:
7b1ee0f2 3768 vnc_parse(optarg, &error_fatal);
821601ea 3769 break;
6515b203
FB		 3770 case QEMU_OPTION_no_acpi:
3771 acpi_enabled = 0;
3772 break;
16b29ae1
AL		 3773 case QEMU_OPTION_no_hpet:
3774 no_hpet = 1;
3775 break;
7d4c3d53
MA		 3776 case QEMU_OPTION_balloon:
3777 if (balloon_parse(optarg) < 0) {
3e515373 3778 error_report("unknown -balloon argument %s", optarg);
7d4c3d53
MA		 3779 exit(1);
3780 }
df97b920 3781 break;
d1beab82
FB		 3782 case QEMU_OPTION_no_reboot:
3783 no_reboot = 1;
3784 break;
b2f76161
AJ		 3785 case QEMU_OPTION_no_shutdown:
3786 no_shutdown = 1;
3787 break;
9467cd46
AZ		 3788 case QEMU_OPTION_show_cursor:
3789 cursor_hide = 0;
3790 break;
8fcb1b90 3791 case QEMU_OPTION_uuid:
9c5ce8db 3792 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
4cd70f34 3793 error_report("failed to parse UUID string: wrong format");
8fcb1b90
BS		 3794 exit(1);
3795 }
fc3b3295 3796 qemu_uuid_set = true;
8fcb1b90 3797 break;
99efa84d
MA		 3798 case QEMU_OPTION_option_rom:
3799 if (nb_option_roms >= MAX_OPTION_ROMS) {
3e515373 3800 error_report("too many option ROMs");
99efa84d
MA		 3801 exit(1);
3802 }
70b94331
MA		 3803 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3804 optarg, true);
49295ebc
MA		 3805 if (!opts) {
3806 exit(1);
3807 }
2e55e842
GN		 3808 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3809 option_rom[nb_option_roms].bootindex =
3810 qemu_opt_get_number(opts, "bootindex", -1);
3811 if (!option_rom[nb_option_roms].name) {
f61eddcb 3812 error_report("Option ROM file is not specified");
2e55e842
GN		 3813 exit(1);
3814 }
99efa84d
MA		 3815 nb_option_roms++;
3816 break;
8e71621f 3817 case QEMU_OPTION_semihosting:
cfe67cef
LA		 3818 semihosting.enabled = true;
3819 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079
LI		 3820 break;
3821 case QEMU_OPTION_semihosting_config:
cfe67cef 3822 semihosting.enabled = true;
70b94331
MA		 3823 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3824 optarg, false);
a38bb079 3825 if (opts != NULL) {
cfe67cef 3826 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
a38bb079
LI		 3827 true);
3828 const char *target = qemu_opt_get(opts, "target");
3829 if (target != NULL) {
3830 if (strcmp("native", target) == 0) {
cfe67cef 3831 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
a38bb079 3832 } else if (strcmp("gdb", target) == 0) {
cfe67cef 3833 semihosting.target = SEMIHOSTING_TARGET_GDB;
a38bb079 3834 } else if (strcmp("auto", target) == 0) {
cfe67cef 3835 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079 3836 } else {
3e515373 3837 error_report("unsupported semihosting-config %s",
f61eddcb 3838 optarg);
a38bb079
LI		 3839 exit(1);
3840 }
3841 } else {
cfe67cef 3842 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079 3843 }
a59d31a1
LA		 3844 /* Set semihosting argument count and vector */
3845 qemu_opt_foreach(opts, add_semihosting_arg,
3846 &semihosting, NULL);
a38bb079 3847 } else {
3e515373 3848 error_report("unsupported semihosting-config %s", optarg);
a38bb079
LI		 3849 exit(1);
3850 }
8e71621f 3851 break;
88eed34a 3852 case QEMU_OPTION_tdf:
3dc6f869 3853 warn_report("ignoring deprecated option");
88eed34a 3854 break;
c35734b2 3855 case QEMU_OPTION_name:
70b94331
MA		 3856 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3857 optarg, true);
5d12f961
DDAG		 3858 if (!opts) {
3859 exit(1);
3860 }
c35734b2 3861 break;
66508601
BS		 3862 case QEMU_OPTION_prom_env:
3863 if (nb_prom_envs >= MAX_PROM_ENVS) {
3e515373 3864 error_report("too many prom variables");
66508601
BS		 3865 exit(1);
3866 }
3867 prom_envs[nb_prom_envs] = optarg;
3868 nb_prom_envs++;
3869 break;
2b8f2d41
AZ		 3870 case QEMU_OPTION_old_param:
3871 old_param = 1;
05ebd537 3872 break;
f3dcfada 3873 case QEMU_OPTION_clock:
6d327171
AB		 3874 /* Clock options no longer exist. Keep this option for
3875 * backward compatibility.
3876 */
f3dcfada 3877 break;
7e0af5d0 3878 case QEMU_OPTION_startdate:
1ed2fc1f
JK		 3879 configure_rtc_date_offset(optarg, 1);
3880 break;
3881 case QEMU_OPTION_rtc:
70b94331
MA		 3882 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3883 false);
1ed2fc1f 3884 if (!opts) {
1ed2fc1f 3885 exit(1);
7e0af5d0 3886 }
1ed2fc1f 3887 configure_rtc(opts);
7e0af5d0 3888 break;
26a5f13b 3889 case QEMU_OPTION_tb_size:
f940488f
EC		 3890#ifndef CONFIG_TCG
3891 error_report("TCG is disabled");
3892 exit(1);
3893#endif
8b3ae692
PB		 3894 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3895 error_report("Invalid argument to -tb-size");
3896 exit(1);
d5ab9713 3897 }
26a5f13b 3898 break;
2e70f6ef 3899 case QEMU_OPTION_icount:
70b94331
MA		 3900 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3901 optarg, true);
1ad9580b
ST		 3902 if (!icount_opts) {
3903 exit(1);
3904 }
2e70f6ef 3905 break;
5bb7910a 3906 case QEMU_OPTION_incoming:
7c76235a
DDAG		 3907 if (!incoming) {
3908 runstate_set(RUN_STATE_INMIGRATE);
3909 }
5bb7910a
AL		 3910 incoming = optarg;
3911 break;
d15c05fc 3912 case QEMU_OPTION_only_migratable:
3df663e5
PX		 3913 /*
3914 * TODO: we can remove this option one day, and we
3915 * should all use:
3916 *
3917 * "-global migration.only-migratable=true"
3918 */
b605c47b 3919 qemu_global_option("migration.only-migratable=true");
d15c05fc 3920 break;
d8c208dd 3921 case QEMU_OPTION_nodefaults:
d44229c5 3922 has_defaults = 0;
d8c208dd 3923 break;
e37630ca 3924 case QEMU_OPTION_xen_domid:
ad96090a 3925 if (!(xen_available())) {
da002526 3926 error_report("Option not supported for this target");
ad96090a
BS		 3927 exit(1);
3928 }
e37630ca
AL		 3929 xen_domid = atoi(optarg);
3930 break;
3931 case QEMU_OPTION_xen_create:
ad96090a 3932 if (!(xen_available())) {
da002526 3933 error_report("Option not supported for this target");
ad96090a
BS		 3934 exit(1);
3935 }
e37630ca
AL		 3936 xen_mode = XEN_CREATE;
3937 break;
3938 case QEMU_OPTION_xen_attach:
ad96090a 3939 if (!(xen_available())) {
da002526 3940 error_report("Option not supported for this target");
ad96090a
BS		 3941 exit(1);
3942 }
e37630ca
AL		 3943 xen_mode = XEN_ATTACH;
3944 break;
1c599472
PD		 3945 case QEMU_OPTION_xen_domid_restrict:
3946 if (!(xen_available())) {
3947 error_report("Option not supported for this target");
3948 exit(1);
3949 }
3950 xen_domid_restrict = true;
3951 break;
ab6540d5 3952 case QEMU_OPTION_trace:
e9e0bb2a
DL		 3953 g_free(trace_file);
3954 trace_file = trace_opt_parse(optarg);
ab6540d5 3955 break;
715a664a
GH		 3956 case QEMU_OPTION_readconfig:
3957 {
dcfb0939
KW		 3958 int ret = qemu_read_config_file(optarg);
3959 if (ret < 0) {
f61eddcb
EH		 3960 error_report("read config %s: %s", optarg,
3961 strerror(-ret));
715a664a
GH		 3962 exit(1);
3963 }
715a664a
GH		 3964 break;
3965 }
29b0040b
GH		 3966 case QEMU_OPTION_spice:
3967 olist = qemu_find_opts("spice");
3968 if (!olist) {
5dfdae81 3969 error_report("spice support is disabled");
29b0040b
GH		 3970 exit(1);
3971 }
70b94331 3972 opts = qemu_opts_parse_noisily(olist, optarg, false);
29b0040b 3973 if (!opts) {
29b0040b
GH		 3974 exit(1);
3975 }
f963e4d0 3976 display_remote++;
29b0040b 3977 break;
715a664a
GH		 3978 case QEMU_OPTION_writeconfig:
3979 {
3980 FILE *fp;
3981 if (strcmp(optarg, "-") == 0) {
3982 fp = stdout;
3983 } else {
3984 fp = fopen(optarg, "w");
3985 if (fp == NULL) {
f61eddcb
EH		 3986 error_report("open %s: %s", optarg,
3987 strerror(errno));
715a664a
GH		 3988 exit(1);
3989 }
3990 }
3991 qemu_config_write(fp);
7fb8b5d9
CG		 3992 if (fp != stdout) {
3993 fclose(fp);
3994 }
715a664a
GH		 3995 break;
3996 }
c7f0f3b1
AL		 3997 case QEMU_OPTION_qtest:
3998 qtest_chrdev = optarg;
3999 break;
4000 case QEMU_OPTION_qtest_log:
4001 qtest_log = optarg;
4002 break;
7d76ad4f 4003 case QEMU_OPTION_sandbox:
70b94331
MA		 4004 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4005 optarg, true);
7d76ad4f 4006 if (!opts) {
49295ebc 4007 exit(1);
7d76ad4f
EO		 4008 }
4009 break;
587ed6be
CB		 4010 case QEMU_OPTION_add_fd:
4011#ifndef _WIN32
70b94331
MA		 4012 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4013 optarg, false);
587ed6be 4014 if (!opts) {
49295ebc 4015 exit(1);
587ed6be
CB		 4016 }
4017#else
4018 error_report("File descriptor passing is disabled on this "
4019 "platform");
4020 exit(1);
4021#endif
4022 break;
68d98d3e 4023 case QEMU_OPTION_object:
70b94331
MA		 4024 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4025 optarg, true);
49295ebc
MA		 4026 if (!opts) {
4027 exit(1);
4028 }
68d98d3e 4029 break;
888a6bc6 4030 case QEMU_OPTION_realtime:
70b94331
MA		 4031 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4032 optarg, false);
888a6bc6
SM		 4033 if (!opts) {
4034 exit(1);
4035 }
28d16f38 4036 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
888a6bc6 4037 break;
5e2ac519 4038 case QEMU_OPTION_msg:
70b94331
MA		 4039 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4040 false);
5e2ac519
SA		 4041 if (!opts) {
4042 exit(1);
4043 }
4044 configure_msg(opts);
4045 break;
abfd9ce3 4046 case QEMU_OPTION_dump_vmstate:
522abf69 4047 if (vmstate_dump_file) {
f61eddcb
EH		 4048 error_report("only one '-dump-vmstate' "
4049 "option may be given");
522abf69
GA		 4050 exit(1);
4051 }
abfd9ce3
AS		 4052 vmstate_dump_file = fopen(optarg, "w");
4053 if (vmstate_dump_file == NULL) {
f61eddcb 4054 error_report("open %s: %s", optarg, strerror(errno));
abfd9ce3
AS		 4055 exit(1);
4056 }
4057 break;
59a5264b
JS		 4058 default:
4059 os_parse_cmd_args(popt->index, optarg);
cd6f1169 4060 }
0824d6fc
FB		 4061 }
4062 }
43fa1e0b
EH		 4063 /*
4064 * Clear error location left behind by the loop.
4065 * Best done right after the loop. Do not insert code here!
4066 */
4067 loc_set_none();
364c3e6b 4068
4c27b859
PD		 4069 replay_configure(icount_opts);
4070
7580f231 4071 machine_class = select_machine();
076b35b5
ND		 4072
4073 set_memory_options(&ram_slots, &maxram_size, machine_class);
3b9985e9 4074
2d9c2725 4075 os_daemonize();
73c6e401 4076 rcu_disable_atfork();
2d9c2725 4077
004c8e00
MT		 4078 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4079 error_report("could not acquire pid file: %s", strerror(errno));
4080 exit(1);
4081 }
4082
2f78e491 4083 if (qemu_init_main_loop(&main_loop_err)) {
565f65d2 4084 error_report_err(main_loop_err);
1c53786f
PB		 4085 exit(1);
4086 }
4087
28d0de7a
MA		 4088 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4089 parse_sandbox, NULL, NULL)) {
7d76ad4f
EO		 4090 exit(1);
4091 }
4092
28d0de7a
MA		 4093 if (qemu_opts_foreach(qemu_find_opts("name"),
4094 parse_name, NULL, NULL)) {
5b9d313e
DDAG		 4095 exit(1);
4096 }
4097
587ed6be 4098#ifndef _WIN32
28d0de7a
MA		 4099 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4100 parse_add_fd, NULL, NULL)) {
587ed6be
CB		 4101 exit(1);
4102 }
4103
28d0de7a
MA		 4104 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4105 cleanup_add_fd, NULL, NULL)) {
587ed6be
CB		 4106 exit(1);
4107 }
4108#endif
4109
0056ae24
MA		 4110 current_machine = MACHINE(object_new(object_class_get_name(
4111 OBJECT_CLASS(machine_class))));
52eb3dfd
MA		 4112 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4113 exit(0);
4114 }
0056ae24
MA		 4115 object_property_add_child(object_get_root(), "machine",
4116 OBJECT(current_machine), &error_abort);
20bccb82
PM		 4117
4118 if (machine_class->minimum_page_bits) {
4119 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4120 /* This would be a board error: specifying a minimum smaller than
4121 * a target's compile-time fixed setting.
4122 */
4123 g_assert_not_reached();
4124 }
4125 }
4126
b5c2c3d0 4127 cpu_exec_init_all();
0056ae24 4128
958db90c 4129 if (machine_class->hw_version) {
35c2c8dc 4130 qemu_set_hw_version(machine_class->hw_version);
93bfef4c
CV		 4131 }
4132
c8057f95 4133 if (cpu_model && is_help_option(cpu_model)) {
1d6528af 4134 list_cpus(stdout, &fprintf, cpu_model);
ecf40bea
EH		 4135 exit(0);
4136 }
4137
62cb4145
DL		 4138 if (!trace_init_backends()) {
4139 exit(1);
4140 }
41fc57e4
PB		 4141 trace_init_file(trace_file);
4142
67633bb4 4143 /* Open the logfile at this point and set the log mask if necessary.
c235d738 4144 */
67633bb4 4145 if (log_file) {
daa76aa4 4146 qemu_set_log_filename(log_file, &error_fatal);
67633bb4
PK		 4147 }
4148
c235d738 4149 if (log_mask) {
b946bffa 4150 int mask;
b946bffa
PM		 4151 mask = qemu_str_to_log_mask(log_mask);
4152 if (!mask) {
4153 qemu_print_log_usage(stdout);
4154 exit(1);
4155 }
4156 qemu_set_log(mask);
ed7f5f1d
PB		 4157 } else {
4158 qemu_set_log(0);
c235d738 4159 }
330d0414 4160
3d5eecab
GH		 4161 /* add configured firmware directories */
4162 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4163 for (i = 0; dirs[i] != NULL; i++) {
4164 qemu_add_data_dir(dirs[i]);
4165 }
35471127 4166 g_strfreev(dirs);
3d5eecab
GH		 4167
4168 /* try to find datadir relative to the executable path */
35471127
MAL		 4169 dir = os_find_datadir();
4170 qemu_add_data_dir(dir);
4171 g_free(dir);
2a1cce90 4172
3d5eecab 4173 /* add the datadir specified when building */
2a1cce90 4174 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
5cea8590 4175
37146e7e
RJ		 4176 /* -L help lists the data directories and exits. */
4177 if (list_data_dirs) {
4178 for (i = 0; i < data_dir_idx; i++) {
4179 printf("%s\n", data_dir[i]);
4180 }
4181 exit(0);
4182 }
4183
72649619
EC		 4184 /* machine_class: default to UP */
4185 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4186 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4187 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4188
4189 /* default to machine_class->default_cpus */
4190 smp_cpus = machine_class->default_cpus;
4191 max_cpus = machine_class->default_cpus;
4192
12b7f57e 4193 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
6be68d7e 4194
72649619
EC		 4195 /* sanity-check smp_cpus and max_cpus against machine_class */
4196 if (smp_cpus < machine_class->min_cpus) {
4197 error_report("Invalid SMP CPUs %d. The min CPUs "
4198 "supported by machine '%s' is %d", smp_cpus,
4199 machine_class->name, machine_class->min_cpus);
4200 exit(1);
4201 }
c00cd995 4202 if (max_cpus > machine_class->max_cpus) {
c0dd1099
ST		 4203 error_report("Invalid SMP CPUs %d. The max CPUs "
4204 "supported by machine '%s' is %d", max_cpus,
f61eddcb 4205 machine_class->name, machine_class->max_cpus);
b2097003
AL		 4206 exit(1);
4207 }
4208
67b724e6
AP		 4209 /*
4210 * Get the default machine options from the machine if it is not already
4211 * specified either by the configuration file or by the command line.
4212 */
958db90c 4213 if (machine_class->default_machine_opts) {
25de5935 4214 qemu_opts_set_defaults(qemu_find_opts("machine"),
958db90c 4215 machine_class->default_machine_opts, 0);
67b724e6
AP		 4216 }
4217
28d0de7a
MA		 4218 qemu_opts_foreach(qemu_find_opts("device"),
4219 default_driver_check, NULL, NULL);
4220 qemu_opts_foreach(qemu_find_opts("global"),
4221 default_driver_check, NULL, NULL);
998bbd74 4222
d44229c5
MW		 4223 if (!vga_model && !default_vga) {
4224 vga_interface_type = VGA_DEVICE;
4225 }
958db90c 4226 if (!has_defaults || machine_class->no_serial) {
986c5f78
GH		 4227 default_serial = 0;
4228 }
958db90c 4229 if (!has_defaults || machine_class->no_parallel) {
986c5f78
GH		 4230 default_parallel = 0;
4231 }
958db90c 4232 if (!has_defaults || !machine_class->use_virtcon) {
986c5f78
GH		 4233 default_virtcon = 0;
4234 }
958db90c 4235 if (!has_defaults || !machine_class->use_sclp) {
3ef669e1
AG		 4236 default_sclp = 0;
4237 }
958db90c 4238 if (!has_defaults || machine_class->no_floppy) {
ac33f8fa
GH		 4239 default_floppy = 0;
4240 }
958db90c 4241 if (!has_defaults || machine_class->no_cdrom) {
ac33f8fa
GH		 4242 default_cdrom = 0;
4243 }
958db90c 4244 if (!has_defaults || machine_class->no_sdcard) {
ac33f8fa
GH		 4245 default_sdcard = 0;
4246 }
d44229c5
MW		 4247 if (!has_defaults) {
4248 default_monitor = 0;
4249 default_net = 0;
4250 default_vga = 0;
4251 }
986c5f78 4252
ab51b1d5
MT		 4253 if (is_daemonized()) {
4254 /* According to documentation and historically, -nographic redirects
4255 * serial port, parallel port and monitor to stdio, which does not work
4256 * with -daemonize. We can redirect these to null instead, but since
4257 * -nographic is legacy, let's just error out.
4258 * We disallow -nographic only if all other ports are not redirected
4259 * explicitly, to not break existing legacy setups which uses
4260 * -nographic _and_ redirects all ports explicitly - this is valid
4261 * usage, -nographic is just a no-op in this case.
4262 */
cfc58cf3 4263 if (nographic
ab51b1d5
MT		 4264 && (default_parallel || default_serial
4265 || default_monitor || default_virtcon)) {
4cd70f34 4266 error_report("-nographic cannot be used with -daemonize");
ab51b1d5
MT		 4267 exit(1);
4268 }
4269#ifdef CONFIG_CURSES
4270 if (display_type == DT_CURSES) {
4cd70f34 4271 error_report("curses display cannot be used with -daemonize");
ab51b1d5
MT		 4272 exit(1);
4273 }
4274#endif
4275 }
4276
cfc58cf3 4277 if (nographic) {
6a5e8b0e
GH		 4278 if (default_parallel)
4279 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 4280 if (default_serial && default_monitor) {
4281 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH		 4282 } else if (default_virtcon && default_monitor) {
4283 add_device_config(DEV_VIRTCON, "mon:stdio");
3ef669e1
AG		 4284 } else if (default_sclp && default_monitor) {
4285 add_device_config(DEV_SCLP, "mon:stdio");
e1c09175
GH		 4286 } else {
4287 if (default_serial)
4288 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH		 4289 if (default_virtcon)
4290 add_device_config(DEV_VIRTCON, "stdio");
3ef669e1
AG		 4291 if (default_sclp) {
4292 add_device_config(DEV_SCLP, "stdio");
4293 }
e1c09175 4294 if (default_monitor)
4821cd4c 4295 monitor_parse("stdio", "readline", false);
e1c09175 4296 }
998bbd74
GH		 4297 } else {
4298 if (default_serial)
4299 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 4300 if (default_parallel)
4301 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4302 if (default_monitor)
4821cd4c 4303 monitor_parse("vc:80Cx24C", "readline", false);
38536da1
AG		 4304 if (default_virtcon)
4305 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3ef669e1
AG		 4306 if (default_sclp) {
4307 add_device_config(DEV_SCLP, "vc:80Cx24C");
4308 }
bc0129d9
AL		 4309 }
4310
006decd4
GH		 4311#if defined(CONFIG_VNC)
4312 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4313 display_remote++;
4314 }
4315#endif
15546425
AL		 4316 if (display_type == DT_DEFAULT && !display_remote) {
4317#if defined(CONFIG_GTK)
4318 display_type = DT_GTK;
7b7d2be5 4319#elif defined(CONFIG_SDL)
15546425 4320 display_type = DT_SDL;
7b7d2be5
EH		 4321#elif defined(CONFIG_COCOA)
4322 display_type = DT_COCOA;
15546425 4323#elif defined(CONFIG_VNC)
70b94331 4324 vnc_parse("localhost:0,to=99,id=default", &error_abort);
15546425
AL		 4325#else
4326 display_type = DT_NONE;
4327#endif
4328 }
4329
047d4e15 4330 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
f61eddcb
EH		 4331 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4332 "for SDL, ignoring option");
047d4e15
PW		 4333 }
4334 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
f61eddcb
EH		 4335 error_report("-no-quit is only valid for GTK and SDL, "
4336 "ignoring option");
047d4e15
PW		 4337 }
4338
15546425 4339 if (display_type == DT_GTK) {
97edf3bd 4340 early_gtk_display_init(request_opengl);
15546425 4341 }
19a2c626 4342
0b71a5d5
GH		 4343 if (display_type == DT_SDL) {
4344 sdl_display_early_init(request_opengl);
4345 }
476db081 4346
777357d7
MAL		 4347 qemu_console_early_init();
4348
0b71a5d5
GH		 4349 if (request_opengl == 1 && display_opengl == 0) {
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 */
993fbfdb 4674 switch (display_type) {
993fbfdb 4675 case DT_CURSES:
ab51b1d5 4676 curses_display_init(ds, full_screen);
993fbfdb 4677 break;
993fbfdb 4678 case DT_SDL:
04ff1a39 4679 sdl_display_init(ds, full_screen);
993fbfdb 4680 break;
7b7d2be5 4681 case DT_COCOA:
993fbfdb
AL		 4682 cocoa_display_init(ds, full_screen);
4683 break;
15546425 4684 case DT_GTK:
881249c7 4685 gtk_display_init(ds, full_screen, grab_on_hover);
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
bb1599b6
GH		 4705 if (display_type == DT_EGL) {
4706 egl_headless_init();
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}
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