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util/cacheinfo: fix crash when compiling with uClibc
[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"
a8d25326 26#include "qemu-common.h"
3dc54b0e 27#include "qemu/units.h"
a27bd6c7 28#include "hw/qdev-properties.h"
e688df6b 29#include "qapi/error.h"
67a1de0d 30#include "qemu-version.h"
f348b6d1
VB		 31#include "qemu/cutils.h"
32#include "qemu/help_option.h"
cea25275 33#include "qemu/uuid.h"
71e8a915 34#include "sysemu/reset.h"
54d31236 35#include "sysemu/runstate.h"
9c17d615 36#include "sysemu/seccomp.h"
14a48c1d 37#include "sysemu/tcg.h"
452dfbef 38
73332e5c 39#ifdef CONFIG_SDL
59a36a2f 40#if defined(__APPLE__) || defined(main)
6693665a 41#include <SDL.h>
880fec5d 42int qemu_main(int argc, char **argv, char **envp);
43int main(int argc, char **argv)
44{
59a36a2f 45 return qemu_main(argc, argv, NULL);
880fec5d 46}
47#undef main
48#define main qemu_main
96bcd4f8 49#endif
73332e5c 50#endif /* CONFIG_SDL */
0824d6fc 51
5b0753e0
FB		 52#ifdef CONFIG_COCOA
53#undef main
54#define main qemu_main
55#endif /* CONFIG_COCOA */
56
69e5bb68 57
d49b6836 58#include "qemu/error-report.h"
c8897e8e 59#include "qemu/sockets.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"
0d09e41a 65#include "sysemu/watchdog.h"
a2eb5c0c 66#include "hw/firmware/smbios.h"
9f57061c 67#include "hw/acpi/acpi.h"
0d09e41a 68#include "hw/xen/xen.h"
45a50b16 69#include "hw/loader.h"
b4a42f81 70#include "monitor/qdev.h"
1422e32d 71#include "net/net.h"
68ac40d2 72#include "net/slirp.h"
83c9089e 73#include "monitor/monitor.h"
28ecbaee 74#include "ui/console.h"
e0d2bd51 75#include "ui/input.h"
9c17d615 76#include "sysemu/sysemu.h"
e35704ba 77#include "sysemu/numa.h"
022c62cb 78#include "exec/gdbstub.h"
1de7afc9 79#include "qemu/timer.h"
8228e353 80#include "chardev/char.h"
b33276a7 81#include "qemu/bitmap.h"
03dd024f 82#include "qemu/log.h"
9c17d615 83#include "sysemu/blockdev.h"
0d09e41a 84#include "hw/block/block.h"
7b1e1a22 85#include "migration/misc.h"
5e22479a 86#include "migration/snapshot.h"
84a899de 87#include "migration/global_state.h"
bdee56f5 88#include "sysemu/tpm.h"
9c17d615 89#include "sysemu/dma.h"
8a824e4d 90#include "hw/audio/soundhw.h"
511d2b14 91#include "audio/audio.h"
4b4629d9 92#include "sysemu/cpus.h"
5821ebf9 93#include "migration/colo.h"
1693c64c 94#include "migration/postcopy-ram.h"
9c17d615 95#include "sysemu/kvm.h"
b0cb0a66 96#include "sysemu/hax.h"
42e5f393 97#include "qapi/qobject-input-visitor.h"
1de7afc9
PB		 98#include "qemu/option.h"
99#include "qemu/config-file.h"
59a5264b 100#include "qemu-options.h"
1de7afc9 101#include "qemu/main-loop.h"
758e8e38 102#ifdef CONFIG_VIRTFS
74db920c
GS		 103#include "fsdev/qemu-fsdev.h"
104#endif
9c17d615 105#include "sysemu/qtest.h"
511d2b14 106
76cad711 107#include "disas/disas.h"
fc01f7e7 108
0ab8ed18 109#include "trace-root.h"
e4858974 110#include "trace/control.h"
42229a75 111#include "qemu/plugin.h"
1de7afc9 112#include "qemu/queue.h"
9c17d615 113#include "sysemu/arch_init.h"
72cf2d4f 114
29b0040b 115#include "ui/qemu-spice.h"
68d98d3e 116#include "qapi/string-input-visitor.h"
c4090f8e 117#include "qapi/opts-visitor.h"
776d1344 118#include "qapi/clone-visitor.h"
84321831 119#include "qom/object_interfaces.h"
f1672e6f 120#include "hw/semihosting/semihost.h"
ddbb0d09 121#include "crypto/init.h"
b60c48a7 122#include "sysemu/replay.h"
9af23989
MA		 123#include "qapi/qapi-events-run-state.h"
124#include "qapi/qapi-visit-block-core.h"
776d1344 125#include "qapi/qapi-visit-ui.h"
112ed241 126#include "qapi/qapi-commands-block-core.h"
112ed241 127#include "qapi/qapi-commands-run-state.h"
e1ca8f7e 128#include "qapi/qapi-commands-ui.h"
0194749a 129#include "qapi/qmp/qerror.h"
dce8921b 130#include "sysemu/iothread.h"
9c09a251 131#include "qemu/guest-random.h"
29b0040b 132
98b19252
AS		 133#define MAX_VIRTIO_CONSOLES 1
134
4524051c
GH		 135static const char *data_dir[16];
136static int data_dir_idx;
1192dad8 137const char *bios_name = NULL;
cb5a7aa8 138enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
da076ffe 139int display_opengl;
3d11d0eb 140const char* keyboard_layout = NULL;
c227f099 141ram_addr_t ram_size;
c902760f 142const char *mem_path = NULL;
c902760f 143int mem_prealloc = 0; /* force preallocation of physical target memory */
28d16f38 144bool enable_mlock = false;
6f131f13 145bool enable_cpu_pm = false;
c4b1fcc0 146int nb_nics;
7c9d8e07 147NICInfo nd_table[MAX_NICS];
d399f677 148int autostart;
7e166ebd
AP		 149static enum {
150 RTC_BASE_UTC,
151 RTC_BASE_LOCALTIME,
152 RTC_BASE_DATETIME,
153} rtc_base_type = RTC_BASE_UTC;
eb6a5209
AP		 154static time_t rtc_ref_start_datetime;
155static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
156static int rtc_host_datetime_offset = -1; /* valid & used only with
157 RTC_BASE_DATETIME */
884f17c2 158QEMUClockType rtc_clock;
64465297 159int vga_interface_type = VGA_NONE;
0c8d7065 160static DisplayOptions dpy;
b8d880ba
PM		 161static int num_serial_hds;
162static Chardev **serial_hds;
0ec7b3e7 163Chardev *parallel_hds[MAX_PARALLEL_PORTS];
a09db21f 164int win2k_install_hack = 0;
1b530a6d 165int singlestep = 0;
6515b203 166int acpi_enabled = 1;
16b29ae1 167int no_hpet = 0;
52ca8d6a 168int fd_bootchk = 1;
4fdcac0e 169static int no_reboot;
b2f76161 170int no_shutdown = 0;
9467cd46 171int cursor_hide = 1;
a171fe39 172int graphic_rotate = 0;
09aaa160 173const char *watchdog;
2e55e842 174QEMUOptionRom option_rom[MAX_OPTION_ROMS];
9ae02555 175int nb_option_roms;
2b8f2d41 176int old_param = 0;
c35734b2 177const char *qemu_name;
3780e197 178int alt_grab = 0;
0ca9f8a4 179int ctrl_grab = 0;
66508601
BS		 180unsigned int nb_prom_envs = 0;
181const char *prom_envs[MAX_PROM_ENVS];
95387491 182int boot_menu;
bc74112f 183bool boot_strict;
3d3b8303 184uint8_t *boot_splash_filedata;
811f8652 185int only_migratable; /* turn it off unless user states otherwise */
46ea94ca 186bool wakeup_suspend_enabled;
0824d6fc 187
a8bfac37 188int icount_align_option;
1ca4d09a 189
9c5ce8db 190/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
caad057b
EH		 191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
9c5ce8db 193QemuUUID qemu_uuid;
fc3b3295 194bool qemu_uuid_set;
8fcb1b90 195
fd42deeb
GH		 196static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
4cab946a
GN		 199static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
d5286af5 202bool xen_allowed;
d745bef8
BS		 203uint32_t xen_domid;
204enum xen_mode xen_mode = XEN_EMULATE;
1c599472 205bool xen_domid_restrict;
d745bef8 206
d44229c5 207static int has_defaults = 1;
998bbd74 208static int default_serial = 1;
6a5e8b0e 209static int default_parallel = 1;
abdeed06 210static int default_monitor = 1;
ac33f8fa
GH		 211static int default_floppy = 1;
212static int default_cdrom = 1;
213static int default_sdcard = 1;
7f1b17f2 214static int default_vga = 1;
d30300f7 215static int default_net = 1;
998bbd74
GH		 216
217static struct {
218 const char *driver;
219 int *flag;
220} default_list[] = {
6a5e8b0e
GH		 221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf 223 { .driver = "isa-fdc", .flag = &default_floppy },
a92bd191 224 { .driver = "floppy", .flag = &default_floppy },
af6bf132
MA		 225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
d8bcbabf 227 { .driver = "ide-drive", .flag = &default_cdrom },
af6bf132 228 { .driver = "scsi-cd", .flag = &default_cdrom },
f6f99b48 229 { .driver = "scsi-hd", .flag = &default_cdrom },
7f1b17f2
PB		 230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
a94f0c5c 236 { .driver = "virtio-vga", .flag = &default_vga },
862b4a29 237 { .driver = "ati-vga", .flag = &default_vga },
267f6646 238 { .driver = "vhost-user-vga", .flag = &default_vga },
998bbd74
GH		 239};
240
4d454574
PB		 241static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
eb6a5209 244 .merge_lists = true,
4d454574
PB		 245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258};
259
4d454574
PB		 260static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274};
275
276static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
49d2e648
MA		 282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
4d454574
PB		 288 },
289};
290
8d4e9146
FK		 291static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
8d4e9146 295 .desc = {
12ceaef6
PB		 296 /*
297 * no elements => accept any
298 * sanity checking will happen later
299 * when setting accelerator properties
300 */
301 { }
8d4e9146
FK		 302 },
303};
304
4d454574
PB		 305static QemuOptsList qemu_boot_opts = {
306 .name = "boot-opts",
6ef4716c
MA		 307 .implied_opt_name = "order",
308 .merge_lists = true,
4d454574
PB		 309 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
310 .desc = {
4d454574
PB		 311 {
312 .name = "order",
313 .type = QEMU_OPT_STRING,
314 }, {
315 .name = "once",
316 .type = QEMU_OPT_STRING,
317 }, {
318 .name = "menu",
6ef4716c 319 .type = QEMU_OPT_BOOL,
4d454574
PB		 320 }, {
321 .name = "splash",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "splash-time",
6912bb0b 325 .type = QEMU_OPT_NUMBER,
4d454574
PB		 326 }, {
327 .name = "reboot-timeout",
ee5d0f89 328 .type = QEMU_OPT_NUMBER,
c8a6ae8b
AK		 329 }, {
330 .name = "strict",
e5187b56 331 .type = QEMU_OPT_BOOL,
4d454574
PB		 332 },
333 { /*End of list */ }
334 },
335};
336
337static QemuOptsList qemu_add_fd_opts = {
338 .name = "add-fd",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
340 .desc = {
341 {
342 .name = "fd",
343 .type = QEMU_OPT_NUMBER,
344 .help = "file descriptor of which a duplicate is added to fd set",
345 },{
346 .name = "set",
347 .type = QEMU_OPT_NUMBER,
348 .help = "ID of the fd set to add fd to",
349 },{
350 .name = "opaque",
351 .type = QEMU_OPT_STRING,
352 .help = "free-form string used to describe fd",
353 },
354 { /* end of list */ }
355 },
356};
357
358static QemuOptsList qemu_object_opts = {
359 .name = "object",
360 .implied_opt_name = "qom-type",
361 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
362 .desc = {
363 { }
364 },
365};
366
d1a0cf73
SB		 367static QemuOptsList qemu_tpmdev_opts = {
368 .name = "tpmdev",
369 .implied_opt_name = "type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
371 .desc = {
bb716238 372 /* options are defined in the TPM backends */
d1a0cf73
SB		 373 { /* end of list */ }
374 },
375};
376
888a6bc6
SM		 377static QemuOptsList qemu_realtime_opts = {
378 .name = "realtime",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
380 .desc = {
381 {
382 .name = "mlock",
383 .type = QEMU_OPT_BOOL,
384 },
385 { /* end of list */ }
386 },
387};
388
6f131f13
MT		 389static QemuOptsList qemu_overcommit_opts = {
390 .name = "overcommit",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
392 .desc = {
393 {
394 .name = "mem-lock",
395 .type = QEMU_OPT_BOOL,
396 },
397 {
398 .name = "cpu-pm",
399 .type = QEMU_OPT_BOOL,
400 },
401 { /* end of list */ }
402 },
403};
404
5e2ac519
SA		 405static QemuOptsList qemu_msg_opts = {
406 .name = "msg",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
408 .desc = {
409 {
410 .name = "timestamp",
411 .type = QEMU_OPT_BOOL,
412 },
413 { /* end of list */ }
414 },
415};
416
5d12f961
DDAG		 417static QemuOptsList qemu_name_opts = {
418 .name = "name",
419 .implied_opt_name = "guest",
420 .merge_lists = true,
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
422 .desc = {
423 {
424 .name = "guest",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the guest.\n"
427 "This name will be displayed in the SDL window caption.\n"
428 "The name will also be used for the VNC server",
429 }, {
430 .name = "process",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the QEMU process, as shown in top etc",
8f480de0
DDAG		 433 }, {
434 .name = "debug-threads",
435 .type = QEMU_OPT_BOOL,
436 .help = "When enabled, name the individual threads; defaults off.\n"
437 "NOTE: The thread names are for debugging and not a\n"
438 "stable API.",
5d12f961
DDAG		 439 },
440 { /* End of list */ }
441 },
442};
443
6e1d3c1c
IM		 444static QemuOptsList qemu_mem_opts = {
445 .name = "memory",
446 .implied_opt_name = "size",
447 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
448 .merge_lists = true,
449 .desc = {
450 {
451 .name = "size",
452 .type = QEMU_OPT_SIZE,
453 },
c270fb9e
IM		 454 {
455 .name = "slots",
456 .type = QEMU_OPT_NUMBER,
457 },
458 {
459 .name = "maxmem",
460 .type = QEMU_OPT_SIZE,
461 },
6e1d3c1c
IM		 462 { /* end of list */ }
463 },
464};
465
1ad9580b
ST		 466static QemuOptsList qemu_icount_opts = {
467 .name = "icount",
468 .implied_opt_name = "shift",
469 .merge_lists = true,
470 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
471 .desc = {
472 {
473 .name = "shift",
474 .type = QEMU_OPT_STRING,
a8bfac37
ST		 475 }, {
476 .name = "align",
477 .type = QEMU_OPT_BOOL,
f1f4b57e
VC		 478 }, {
479 .name = "sleep",
480 .type = QEMU_OPT_BOOL,
4c27b859
PD		 481 }, {
482 .name = "rr",
483 .type = QEMU_OPT_STRING,
484 }, {
485 .name = "rrfile",
486 .type = QEMU_OPT_STRING,
9c2037d0
PD		 487 }, {
488 .name = "rrsnapshot",
489 .type = QEMU_OPT_STRING,
1ad9580b
ST		 490 },
491 { /* end of list */ }
492 },
493};
494
81b2b810
GS		 495static QemuOptsList qemu_fw_cfg_opts = {
496 .name = "fw_cfg",
497 .implied_opt_name = "name",
498 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
499 .desc = {
500 {
501 .name = "name",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets the fw_cfg name of the blob to be inserted",
504 }, {
505 .name = "file",
506 .type = QEMU_OPT_STRING,
679be303 507 .help = "Sets the name of the file from which "
81b2b810 508 "the fw_cfg blob will be loaded",
6407d76e
GS		 509 }, {
510 .name = "string",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets content of the blob to be inserted from a string",
81b2b810
GS		 513 },
514 { /* end of list */ }
515 },
516};
517
7f9d6e54
MA		 518/**
519 * Get machine options
520 *
521 * Returns: machine options (never null).
522 */
523QemuOpts *qemu_get_machine_opts(void)
524{
e96e5ae8 525 return qemu_find_opts_singleton("machine");
7f9d6e54
MA		 526}
527
31459f46
RS		 528const char *qemu_get_vm_name(void)
529{
530 return qemu_name;
531}
532
3d3b8303
WX		 533static void res_free(void)
534{
012aef07
MA		 535 g_free(boot_splash_filedata);
536 boot_splash_filedata = NULL;
3d3b8303
WX		 537}
538
28d0de7a 539static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
998bbd74
GH		 540{
541 const char *driver = qemu_opt_get(opts, "driver");
542 int i;
543
544 if (!driver)
545 return 0;
546 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
547 if (strcmp(default_list[i].driver, driver) != 0)
548 continue;
549 *(default_list[i].flag) = 0;
550 }
551 return 0;
552}
553
f5bbfba1
LC		 554/***********************************************************/
555/* QEMU state */
556
047f7038 557static RunState current_run_state = RUN_STATE_PRECONFIG;
f5bbfba1 558
7fb1cf16
EB		 559/* We use RUN_STATE__MAX but any invalid value will do */
560static RunState vmstop_requested = RUN_STATE__MAX;
74892d24
PB		 561static QemuMutex vmstop_lock;
562
5db9d4d1
LC		 563typedef struct {
564 RunState from;
565 RunState to;
566} RunStateTransition;
567
568static const RunStateTransition runstate_transitions_def[] = {
569 /* from -> to */
047f7038
IM		 570 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
571 /* Early switch to inmigrate state to allow -incoming CLI option work
572 * as it used to. TODO: delay actual switching to inmigrate state to
573 * the point after machine is built and remove this hack.
574 */
575 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
576
0461d5a6 577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
eca01d3a 578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 579 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
5db9d4d1 580
ca3fc39e
JQ		 581 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
582 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
29ed72f1 583 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
ca3fc39e
JQ		 584 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
585 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
586 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
588 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
2a6e6e59 589 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
98799b0d
PB		 590 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
591 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
21142ba7 592 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
5db9d4d1 593
0461d5a6 594 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
8a9236f1 595 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 597
0461d5a6 598 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
8a9236f1 599 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 600 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 601
0461d5a6 602 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
8a9236f1 603 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
505d786f 604 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
7ec13c79 605 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
21142ba7 606 { RUN_STATE_PAUSED, RUN_STATE_COLO},
5db9d4d1 607
0461d5a6 608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
8a9236f1 609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
7ec13c79 610 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
5db9d4d1 611
0461d5a6 612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
8a9236f1 613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
0461d5a6 614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
5db9d4d1 615
0461d5a6 616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
505d786f 617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
0461d5a6 618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
7ec13c79 619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
21142ba7 620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
5db9d4d1 621
0461d5a6 622 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
7ec13c79 623 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
5db9d4d1 624
21142ba7
HZ		 625 { RUN_STATE_COLO, RUN_STATE_RUNNING },
626
0461d5a6
LC		 627 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
628 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
629 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
630 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
631 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
633 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
634 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
635 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
ede085b3 636 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
21142ba7 637 { RUN_STATE_RUNNING, RUN_STATE_COLO},
5db9d4d1 638
0461d5a6 639 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
5db9d4d1 640
0461d5a6 641 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
8a9236f1 642 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
7ec13c79 643 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
5db9d4d1 644
ad02b96a
LC		 645 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
646 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
647 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
648 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 649 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
21142ba7 650 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
ad02b96a 651
0461d5a6 652 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
8a9236f1 653 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 654 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
21142ba7 655 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
5db9d4d1 656
df390768 657 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
fd2a2e1c 658 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 659 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
ede085b3 660
7fb1cf16 661 { RUN_STATE__MAX, RUN_STATE__MAX },
5db9d4d1
LC		 662};
663
7fb1cf16 664static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
0461d5a6 665
f5bbfba1
LC		 666bool runstate_check(RunState state)
667{
668 return current_run_state == state;
669}
670
5e0f1940
JQ		 671bool runstate_store(char *str, size_t size)
672{
977c736f 673 const char *state = RunState_str(current_run_state);
5e0f1940
JQ		 674 size_t len = strlen(state) + 1;
675
676 if (len > size) {
677 return false;
678 }
679 memcpy(str, state, len);
680 return true;
681}
682
4fdcac0e 683static void runstate_init(void)
5db9d4d1
LC		 684{
685 const RunStateTransition *p;
686
687 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
7fb1cf16 688 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
5db9d4d1
LC		 689 runstate_valid_transitions[p->from][p->to] = true;
690 }
74892d24
PB		 691
692 qemu_mutex_init(&vmstop_lock);
5db9d4d1
LC		 693}
694
695/* This function will abort() on invalid state transitions */
f5bbfba1
LC		 696void runstate_set(RunState new_state)
697{
7fb1cf16 698 assert(new_state < RUN_STATE__MAX);
207c5cd2 699
ff12e3ae 700 trace_runstate_set(current_run_state, RunState_str(current_run_state),
b1939fcd 701 new_state, RunState_str(new_state));
ff12e3ae 702
e92a2d9c
LZ		 703 if (current_run_state == new_state) {
704 return;
705 }
706
207c5cd2 707 if (!runstate_valid_transitions[current_run_state][new_state]) {
f61eddcb 708 error_report("invalid runstate transition: '%s' -> '%s'",
977c736f
MA		 709 RunState_str(current_run_state),
710 RunState_str(new_state));
5db9d4d1
LC		 711 abort();
712 }
ff12e3ae 713
f5bbfba1
LC		 714 current_run_state = new_state;
715}
716
1fa9a5e4 717int runstate_is_running(void)
9e37b9dc 718{
1fa9a5e4 719 return runstate_check(RUN_STATE_RUNNING);
9e37b9dc
LC		 720}
721
ede085b3
HT		 722bool runstate_needs_reset(void)
723{
724 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
df390768 725 runstate_check(RUN_STATE_SHUTDOWN);
ede085b3
HT		 726}
727
1fa9a5e4 728StatusInfo *qmp_query_status(Error **errp)
1354869c 729{
1fa9a5e4
LC		 730 StatusInfo *info = g_malloc0(sizeof(*info));
731
732 info->running = runstate_is_running();
733 info->singlestep = singlestep;
734 info->status = current_run_state;
735
736 return info;
1354869c
LC		 737}
738
2d76e823 739bool qemu_vmstop_requested(RunState *r)
74892d24
PB		 740{
741 qemu_mutex_lock(&vmstop_lock);
742 *r = vmstop_requested;
7fb1cf16 743 vmstop_requested = RUN_STATE__MAX;
74892d24 744 qemu_mutex_unlock(&vmstop_lock);
7fb1cf16 745 return *r < RUN_STATE__MAX;
74892d24
PB		 746}
747
748void qemu_system_vmstop_request_prepare(void)
749{
750 qemu_mutex_lock(&vmstop_lock);
751}
752
753void qemu_system_vmstop_request(RunState state)
754{
755 vmstop_requested = state;
756 qemu_mutex_unlock(&vmstop_lock);
757 qemu_notify_event();
758}
759
8f0056b7 760/***********************************************************/
eb6a5209 761/* RTC reference time/date access */
ac0989f5 762static time_t qemu_ref_timedate(QEMUClockType clock)
eb6a5209 763{
ac0989f5
AP		 764 time_t value = qemu_clock_get_ms(clock) / 1000;
765 switch (clock) {
eb6a5209
AP		 766 case QEMU_CLOCK_REALTIME:
767 value -= rtc_realtime_clock_offset;
4e8de606 768 /* fall through */
eb6a5209
AP		 769 case QEMU_CLOCK_VIRTUAL:
770 value += rtc_ref_start_datetime;
771 break;
772 case QEMU_CLOCK_HOST:
773 if (rtc_base_type == RTC_BASE_DATETIME) {
774 value -= rtc_host_datetime_offset;
775 }
776 break;
777 default:
778 assert(0);
779 }
780 return value;
2ed1ebcf
PD		 781}
782
f6503059
AZ		 783void qemu_get_timedate(struct tm *tm, int offset)
784{
ac0989f5 785 time_t ti = qemu_ref_timedate(rtc_clock);
f6503059 786
f6503059 787 ti += offset;
7e166ebd
AP		 788
789 switch (rtc_base_type) {
eb6a5209 790 case RTC_BASE_DATETIME:
7e166ebd 791 case RTC_BASE_UTC:
eb7ff6fb 792 gmtime_r(&ti, tm);
7e166ebd
AP		 793 break;
794 case RTC_BASE_LOCALTIME:
795 localtime_r(&ti, tm);
796 break;
f6503059 797 }
f6503059
AZ		 798}
799
800int qemu_timedate_diff(struct tm *tm)
801{
802 time_t seconds;
803
7e166ebd 804 switch (rtc_base_type) {
eb6a5209 805 case RTC_BASE_DATETIME:
7e166ebd
AP		 806 case RTC_BASE_UTC:
807 seconds = mktimegm(tm);
808 break;
809 case RTC_BASE_LOCALTIME:
810 {
811 struct tm tmp = *tm;
812 tmp.tm_isdst = -1; /* use timezone to figure it out */
813 seconds = mktime(&tmp);
814 break;
815 }
7e166ebd
AP		 816 default:
817 abort();
818 }
f6503059 819
ac0989f5 820 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
f6503059
AZ		 821}
822
eb6a5209 823static void configure_rtc_base_datetime(const char *startdate)
1ed2fc1f 824{
7e166ebd 825 time_t rtc_start_datetime;
1ed2fc1f
JK		 826 struct tm tm;
827
fdaf2d58
TH		 828 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
829 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
830 /* OK */
831 } else if (sscanf(startdate, "%d-%d-%d",
832 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
833 tm.tm_hour = 0;
834 tm.tm_min = 0;
835 tm.tm_sec = 0;
1ed2fc1f 836 } else {
fdaf2d58
TH		 837 goto date_fail;
838 }
839 tm.tm_year -= 1900;
840 tm.tm_mon--;
7e166ebd
AP		 841 rtc_start_datetime = mktimegm(&tm);
842 if (rtc_start_datetime == -1) {
fdaf2d58 843 date_fail:
7e166ebd 844 error_report("invalid datetime format");
fdaf2d58
TH		 845 error_printf("valid formats: "
846 "'2006-06-17T16:01:21' or '2006-06-17'\n");
847 exit(1);
1ed2fc1f 848 }
eb6a5209
AP		 849 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
850 rtc_ref_start_datetime = rtc_start_datetime;
1ed2fc1f
JK		 851}
852
853static void configure_rtc(QemuOpts *opts)
854{
855 const char *value;
856
eb6a5209
AP		 857 /* Set defaults */
858 rtc_clock = QEMU_CLOCK_HOST;
859 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
860 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
861
1ed2fc1f
JK		 862 value = qemu_opt_get(opts, "base");
863 if (value) {
864 if (!strcmp(value, "utc")) {
7e166ebd 865 rtc_base_type = RTC_BASE_UTC;
1ed2fc1f 866 } else if (!strcmp(value, "localtime")) {
0194749a 867 Error *blocker = NULL;
7e166ebd 868 rtc_base_type = RTC_BASE_LOCALTIME;
0194749a
PD		 869 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
870 "-rtc base=localtime");
871 replay_add_blocker(blocker);
1ed2fc1f 872 } else {
7e166ebd 873 rtc_base_type = RTC_BASE_DATETIME;
eb6a5209 874 configure_rtc_base_datetime(value);
1ed2fc1f
JK		 875 }
876 }
6875204c
JK		 877 value = qemu_opt_get(opts, "clock");
878 if (value) {
879 if (!strcmp(value, "host")) {
884f17c2 880 rtc_clock = QEMU_CLOCK_HOST;
78808141 881 } else if (!strcmp(value, "rt")) {
884f17c2 882 rtc_clock = QEMU_CLOCK_REALTIME;
6875204c 883 } else if (!strcmp(value, "vm")) {
884f17c2 884 rtc_clock = QEMU_CLOCK_VIRTUAL;
6875204c 885 } else {
f61eddcb 886 error_report("invalid option value '%s'", value);
6875204c
JK		 887 exit(1);
888 }
889 }
1ed2fc1f
JK		 890 value = qemu_opt_get(opts, "driftfix");
891 if (value) {
7e4c0336 892 if (!strcmp(value, "slew")) {
1fff3c20
PB		 893 object_register_sugar_prop("mc146818rtc",
894 "lost_tick_policy",
895 "slew");
7e4c0336 896 } else if (!strcmp(value, "none")) {
433acf0d 897 /* discard is default */
1ed2fc1f 898 } else {
f61eddcb 899 error_report("invalid option value '%s'", value);
1ed2fc1f
JK		 900 exit(1);
901 }
902 }
1ed2fc1f
JK		 903}
904
28d0de7a 905static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
5d12f961
DDAG		 906{
907 const char *proc_name;
908
8f480de0
DDAG		 909 if (qemu_opt_get(opts, "debug-threads")) {
910 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
911 }
5d12f961
DDAG		 912 qemu_name = qemu_opt_get(opts, "guest");
913
914 proc_name = qemu_opt_get(opts, "process");
915 if (proc_name) {
916 os_set_proc_name(proc_name);
917 }
5b9d313e
DDAG		 918
919 return 0;
5d12f961
DDAG		 920}
921
f8b6f8ed
MA		 922bool defaults_enabled(void)
923{
924 return has_defaults;
925}
926
587ed6be 927#ifndef _WIN32
28d0de7a 928static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 929{
930 int fd, dupfd, flags;
931 int64_t fdset_id;
932 const char *fd_opaque = NULL;
636a30a8 933 AddfdInfo *fdinfo;
587ed6be
CB		 934
935 fd = qemu_opt_get_number(opts, "fd", -1);
936 fdset_id = qemu_opt_get_number(opts, "set", -1);
937 fd_opaque = qemu_opt_get(opts, "opaque");
938
939 if (fd < 0) {
6353218b 940 error_setg(errp, "fd option is required and must be non-negative");
587ed6be
CB		 941 return -1;
942 }
943
944 if (fd <= STDERR_FILENO) {
6353218b 945 error_setg(errp, "fd cannot be a standard I/O stream");
587ed6be
CB		 946 return -1;
947 }
948
949 /*
950 * All fds inherited across exec() necessarily have FD_CLOEXEC
951 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
952 */
953 flags = fcntl(fd, F_GETFD);
954 if (flags == -1 || (flags & FD_CLOEXEC)) {
6353218b 955 error_setg(errp, "fd is not valid or already in use");
587ed6be
CB		 956 return -1;
957 }
958
959 if (fdset_id < 0) {
6353218b 960 error_setg(errp, "set option is required and must be non-negative");
587ed6be
CB		 961 return -1;
962 }
963
964#ifdef F_DUPFD_CLOEXEC
965 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
966#else
967 dupfd = dup(fd);
968 if (dupfd != -1) {
969 qemu_set_cloexec(dupfd);
970 }
971#endif
972 if (dupfd == -1) {
6353218b 973 error_setg(errp, "error duplicating fd: %s", strerror(errno));
587ed6be
CB		 974 return -1;
975 }
976
977 /* add the duplicate fd, and optionally the opaque string, to the fd set */
636a30a8
PB		 978 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
979 &error_abort);
980 g_free(fdinfo);
587ed6be
CB		 981
982 return 0;
983}
984
28d0de7a 985static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 986{
987 int fd;
988
989 fd = qemu_opt_get_number(opts, "fd", -1);
990 close(fd);
991
992 return 0;
993}
994#endif
995
1ae26a18
AZ		 996/***********************************************************/
997/* QEMU Block devices */
998
2292ddae
MA		 999#define HD_OPTS "media=disk"
1000#define CDROM_OPTS "media=cdrom"
1001#define FD_OPTS ""
1002#define PFLASH_OPTS ""
1003#define MTD_OPTS ""
1004#define SD_OPTS ""
e4bcb14c 1005
28d0de7a 1006static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1007{
2d0d2837 1008 BlockInterfaceType *block_default_type = opaque;
9dfd7c7a 1009
c4f26c9f 1010 return drive_new(opts, *block_default_type, errp) == NULL;
9dfd7c7a
GH		 1011}
1012
28d0de7a 1013static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1014{
28de2f88 1015 if (qemu_opt_get(opts, "snapshot") == NULL) {
f43e47db 1016 qemu_opt_set(opts, "snapshot", "on", &error_abort);
9dfd7c7a
GH		 1017 }
1018 return 0;
1019}
1020
3c42ea66
CB		 1021static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1022 int index, const char *optstr)
4e5d9b57
MA		 1023{
1024 QemuOpts *opts;
a66c9dc7 1025 DriveInfo *dinfo;
4e5d9b57 1026
4e5d9b57
MA		 1027 if (!enable || drive_get_by_index(type, index)) {
1028 return;
1029 }
1030
1031 opts = drive_add(type, index, NULL, optstr);
1032 if (snapshot) {
28d0de7a 1033 drive_enable_snapshot(NULL, opts, NULL);
4e5d9b57 1034 }
a66c9dc7 1035
c4f26c9f 1036 dinfo = drive_new(opts, type, &error_abort);
a66c9dc7
JS		 1037 dinfo->is_default = true;
1038
4e5d9b57
MA		 1039}
1040
651af51c
MA		 1041typedef struct BlockdevOptionsQueueEntry {
1042 BlockdevOptions *bdo;
1043 Location loc;
1044 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1045} BlockdevOptionsQueueEntry;
1046
1047typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1048
d11bf9bf
MA		 1049static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1050 MachineClass *machine_class, int snapshot)
1051{
1052 /*
1053 * If the currently selected machine wishes to override the
1054 * units-per-bus property of its default HBA interface type, do so
1055 * now.
1056 */
1057 if (machine_class->units_per_default_bus) {
1058 override_max_devs(machine_class->block_default_type,
1059 machine_class->units_per_default_bus);
1060 }
1061
1062 /* open the virtual block devices */
1063 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1064 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1065
1066 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1067 loc_push_restore(&bdo->loc);
1068 qmp_blockdev_add(bdo->bdo, &error_fatal);
1069 loc_pop(&bdo->loc);
1070 qapi_free_BlockdevOptions(bdo->bdo);
1071 g_free(bdo);
1072 }
25863975 1073 if (snapshot) {
d11bf9bf
MA		 1074 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1075 NULL, NULL);
1076 }
1077 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1078 &machine_class->block_default_type, &error_fatal)) {
1079 /* We printed help */
1080 exit(0);
1081 }
1082
1083 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1084 CDROM_OPTS);
1085 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1086 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1087
1088}
1089
12b7f57e
MT		 1090static QemuOptsList qemu_smp_opts = {
1091 .name = "smp-opts",
1092 .implied_opt_name = "cpus",
1093 .merge_lists = true,
1094 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1095 .desc = {
1096 {
1097 .name = "cpus",
1098 .type = QEMU_OPT_NUMBER,
1099 }, {
1100 .name = "sockets",
1101 .type = QEMU_OPT_NUMBER,
1b458422
LX		 1102 }, {
1103 .name = "dies",
1104 .type = QEMU_OPT_NUMBER,
12b7f57e
MT		 1105 }, {
1106 .name = "cores",
1107 .type = QEMU_OPT_NUMBER,
1108 }, {
1109 .name = "threads",
1110 .type = QEMU_OPT_NUMBER,
1111 }, {
1112 .name = "maxcpus",
1113 .type = QEMU_OPT_NUMBER,
1114 },
1115 { /*End of list */ }
1116 },
1117};
1118
28d16f38 1119static void realtime_init(void)
888a6bc6 1120{
888a6bc6
SM		 1121 if (enable_mlock) {
1122 if (os_mlock() < 0) {
f61eddcb 1123 error_report("locking memory failed");
888a6bc6
SM		 1124 exit(1);
1125 }
1126 }
1127}
1128
5e2ac519
SA		 1129
1130static void configure_msg(QemuOpts *opts)
1131{
deda497b 1132 error_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false);
5e2ac519
SA		 1133}
1134
a59d31a1 1135
a594cfbf
FB		 1136/***********************************************************/
1137/* USB devices */
1138
fb08000c 1139static int usb_device_add(const char *devname)
a594cfbf 1140{
a5d2f727 1141 USBDevice *dev = NULL;
a594cfbf 1142
4bcbe0b6 1143 if (!machine_usb(current_machine)) {
a594cfbf 1144 return -1;
094b287f 1145 }
a594cfbf 1146
0958b4cc 1147 dev = usbdevice_create(devname);
0d92ed30
PB		 1148 if (!dev)
1149 return -1;
1150
a594cfbf
FB		 1151 return 0;
1152}
1153
bd3c948d
GH		 1154static int usb_parse(const char *cmdline)
1155{
59d1c1c2 1156 int r;
fb08000c 1157 r = usb_device_add(cmdline);
59d1c1c2 1158 if (r < 0) {
f61eddcb 1159 error_report("could not add USB device '%s'", cmdline);
59d1c1c2
ST		 1160 }
1161 return r;
bd3c948d
GH		 1162}
1163
cc1daa40
FB		 1164/***********************************************************/
1165/* machine registration */
1166
0056ae24 1167MachineState *current_machine;
cc1daa40 1168
c516cd1b 1169static MachineClass *find_machine(const char *name, GSList *machines)
cc1daa40 1170{
c516cd1b 1171 GSList *el;
cc1daa40 1172
261747f1 1173 for (el = machines; el; el = el->next) {
f2c93021 1174 MachineClass *mc = el->data;
261747f1 1175
f2c93021
MA		 1176 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1177 return mc;
261747f1 1178 }
cc1daa40 1179 }
261747f1 1180
f2c93021 1181 return NULL;
cc1daa40
FB		 1182}
1183
c516cd1b 1184static MachineClass *find_default_machine(GSList *machines)
0c257437 1185{
c516cd1b 1186 GSList *el;
0c257437 1187
261747f1 1188 for (el = machines; el; el = el->next) {
f2c93021 1189 MachineClass *mc = el->data;
261747f1 1190
f2c93021
MA		 1191 if (mc->is_default) {
1192 return mc;
0c257437
AL		 1193 }
1194 }
261747f1 1195
f2c93021 1196 return NULL;
0c257437
AL		 1197}
1198
52eb3dfd
MA		 1199static int machine_help_func(QemuOpts *opts, MachineState *machine)
1200{
1201 ObjectProperty *prop;
7746abd8 1202 ObjectPropertyIterator iter;
52eb3dfd
MA		 1203
1204 if (!qemu_opt_has_help_opt(opts)) {
1205 return 0;
1206 }
1207
7746abd8
DB		 1208 object_property_iter_init(&iter, OBJECT(machine));
1209 while ((prop = object_property_iter_next(&iter))) {
52eb3dfd
MA		 1210 if (!prop->set) {
1211 continue;
1212 }
1213
26eaf2cd
MA		 1214 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1215 prop->name, prop->type);
52eb3dfd 1216 if (prop->description) {
26eaf2cd 1217 printf(" (%s)\n", prop->description);
52eb3dfd 1218 } else {
26eaf2cd 1219 printf("\n");
52eb3dfd
MA		 1220 }
1221 }
1222
1223 return 1;
1224}
1225
2f780b6a 1226struct VMChangeStateEntry {
0bd48850
FB		 1227 VMChangeStateHandler *cb;
1228 void *opaque;
2f780b6a 1229 QTAILQ_ENTRY(VMChangeStateEntry) entries;
60dbc5a1 1230 int priority;
0bd48850
FB		 1231};
1232
2f780b6a 1233static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
0bd48850 1234
60dbc5a1
SH		 1235/**
1236 * qemu_add_vm_change_state_handler_prio:
1237 * @cb: the callback to invoke
1238 * @opaque: user data passed to the callback
1239 * @priority: low priorities execute first when the vm runs and the reverse is
1240 * true when the vm stops
1241 *
1242 * Register a callback function that is invoked when the vm starts or stops
1243 * running.
1244 *
1245 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1246 */
1247VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1248 VMChangeStateHandler *cb, void *opaque, int priority)
0bd48850
FB		 1249{
1250 VMChangeStateEntry *e;
60dbc5a1 1251 VMChangeStateEntry *other;
0bd48850 1252
60dbc5a1 1253 e = g_malloc0(sizeof(*e));
0bd48850
FB		 1254 e->cb = cb;
1255 e->opaque = opaque;
60dbc5a1
SH		 1256 e->priority = priority;
1257
1258 /* Keep list sorted in ascending priority order */
1259 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1260 if (priority < other->priority) {
1261 QTAILQ_INSERT_BEFORE(other, e, entries);
1262 return e;
1263 }
1264 }
1265
1266 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
0bd48850
FB		 1267 return e;
1268}
1269
60dbc5a1
SH		 1270VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1271 void *opaque)
1272{
1273 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1274}
1275
0bd48850
FB		 1276void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1277{
60dbc5a1
SH		 1278 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1279 g_free(e);
0bd48850
FB		 1280}
1281
1dfb4dd9 1282void vm_state_notify(int running, RunState state)
0bd48850 1283{
9b10ac86 1284 VMChangeStateEntry *e, *next;
0bd48850 1285
ff12e3ae 1286 trace_vm_state_notify(running, state, RunState_str(state));
94b0b5ff 1287
60dbc5a1
SH		 1288 if (running) {
1289 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1290 e->cb(e->opaque, running, state);
1291 }
1292 } else {
1293 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1294 e->cb(e->opaque, running, state);
1295 }
0bd48850
FB		 1296 }
1297}
1298
aedbe192
EB		 1299static ShutdownCause reset_requested;
1300static ShutdownCause shutdown_requested;
1301static int shutdown_signal;
f64622c4 1302static pid_t shutdown_pid;
3475187d 1303static int powerdown_requested;
8cf71710 1304static int debug_requested;
95b363b5 1305static int suspend_requested;
047f7038 1306static bool preconfig_exit_requested = true;
4bc78a87 1307static WakeupReason wakeup_reason;
a9552c8e
IM		 1308static NotifierList powerdown_notifiers =
1309 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
95b363b5
GH		 1310static NotifierList suspend_notifiers =
1311 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1312static NotifierList wakeup_notifiers =
1313 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
2dadd753
YS		 1314static NotifierList shutdown_notifiers =
1315 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
4bc78a87 1316static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
bb0c6722 1317
aedbe192 1318ShutdownCause qemu_shutdown_requested_get(void)
1291eb35
AP		 1319{
1320 return shutdown_requested;
1321}
1322
aedbe192 1323ShutdownCause qemu_reset_requested_get(void)
1291eb35
AP		 1324{
1325 return reset_requested;
1326}
1327
4fdcac0e 1328static int qemu_shutdown_requested(void)
cf7a2fe2 1329{
aedbe192 1330 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
cf7a2fe2
AJ		 1331}
1332
4fdcac0e 1333static void qemu_kill_report(void)
f64622c4 1334{
7af88279 1335 if (!qtest_driver() && shutdown_signal) {
f1d3fb04
PM		 1336 if (shutdown_pid == 0) {
1337 /* This happens for eg ^C at the terminal, so it's worth
1338 * avoiding printing an odd message in that case.
1339 */
f61eddcb 1340 error_report("terminating on signal %d", shutdown_signal);
f1d3fb04 1341 } else {
fbe7e332
MP		 1342 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1343
1344 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1345 shutdown_signal, shutdown_pid,
1346 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1347 g_free(shutdown_cmd);
f1d3fb04 1348 }
7af88279 1349 shutdown_signal = 0;
f64622c4
GN		 1350 }
1351}
1352
aedbe192 1353static ShutdownCause qemu_reset_requested(void)
cf7a2fe2 1354{
aedbe192
EB		 1355 ShutdownCause r = reset_requested;
1356
8bd7f71d 1357 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
aedbe192 1358 reset_requested = SHUTDOWN_CAUSE_NONE;
8bd7f71d
PD		 1359 return r;
1360 }
aedbe192 1361 return SHUTDOWN_CAUSE_NONE;
cf7a2fe2
AJ		 1362}
1363
95b363b5
GH		 1364static int qemu_suspend_requested(void)
1365{
1366 int r = suspend_requested;
8bd7f71d
PD		 1367 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1368 suspend_requested = 0;
1369 return r;
1370 }
1371 return false;
95b363b5
GH		 1372}
1373
4bc78a87 1374static WakeupReason qemu_wakeup_requested(void)
14058196 1375{
4bc78a87 1376 return wakeup_reason;
14058196
LC		 1377}
1378
4fdcac0e 1379static int qemu_powerdown_requested(void)
cf7a2fe2
AJ		 1380{
1381 int r = powerdown_requested;
1382 powerdown_requested = 0;
1383 return r;
1384}
1385
e568902a
AL		 1386static int qemu_debug_requested(void)
1387{
1388 int r = debug_requested;
1389 debug_requested = 0;
1390 return r;
1391}
1392
047f7038
IM		 1393void qemu_exit_preconfig_request(void)
1394{
1395 preconfig_exit_requested = true;
1396}
1397
aedbe192
EB		 1398/*
1399 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1400 */
1401void qemu_system_reset(ShutdownCause reason)
be522029 1402{
0056ae24
MA		 1403 MachineClass *mc;
1404
1405 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1406
efdaf797
DG		 1407 cpu_synchronize_all_states();
1408
958db90c 1409 if (mc && mc->reset) {
a0628599 1410 mc->reset(current_machine);
be522029
DG		 1411 } else {
1412 qemu_devices_reset();
1413 }
3bf5de52 1414 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
ecd7a0d5 1415 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
e063eb1f 1416 }
ea375f9a 1417 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1418}
1419
4b5e06c9
NP		 1420/*
1421 * Wake the VM after suspend.
1422 */
1423static void qemu_system_wakeup(void)
1424{
1425 MachineClass *mc;
1426
1427 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1428
1429 if (mc && mc->wakeup) {
1430 mc->wakeup(current_machine);
4b5e06c9
NP		 1431 }
1432}
1433
c86f106b 1434void qemu_system_guest_panicked(GuestPanicInformation *info)
5f5b5942 1435{
4ada99ad 1436 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
f47291b7 1437
bac05aa9
AS		 1438 if (current_cpu) {
1439 current_cpu->crash_occurred = true;
1440 }
c86f106b 1441 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
3ab72385 1442 !!info, info);
5f5b5942 1443 vm_stop(RUN_STATE_GUEST_PANICKED);
864111f4
CB		 1444 if (!no_shutdown) {
1445 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
3ab72385 1446 !!info, info);
cf83f140 1447 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
864111f4 1448 }
c86f106b
AN		 1449
1450 if (info) {
e8ed97a6 1451 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
4ada99ad 1452 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
f47291b7 1453 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
e8ed97a6
AN		 1454 info->u.hyper_v.arg1,
1455 info->u.hyper_v.arg2,
1456 info->u.hyper_v.arg3,
1457 info->u.hyper_v.arg4,
1458 info->u.hyper_v.arg5);
4ada99ad
CB		 1459 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1460 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1461 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1462 info->u.s390.core,
1463 S390CrashReason_str(info->u.s390.reason),
1464 info->u.s390.psw_mask,
1465 info->u.s390.psw_addr);
f47291b7 1466 }
c86f106b
AN		 1467 qapi_free_GuestPanicInformation(info);
1468 }
5f5b5942
AS		 1469}
1470
cf83f140 1471void qemu_system_reset_request(ShutdownCause reason)
bb0c6722 1472{
76ed4b18 1473 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
cf83f140 1474 shutdown_requested = reason;
d1beab82 1475 } else {
cf83f140 1476 reset_requested = reason;
d1beab82 1477 }
b4a3d965 1478 cpu_stop_current();
d9f75a4e 1479 qemu_notify_event();
bb0c6722
FB		 1480}
1481
95b363b5
GH		 1482static void qemu_system_suspend(void)
1483{
1484 pause_all_vcpus();
1485 notifier_list_notify(&suspend_notifiers, NULL);
ad02b96a 1486 runstate_set(RUN_STATE_SUSPENDED);
3ab72385 1487 qapi_event_send_suspend();
95b363b5
GH		 1488}
1489
1490void qemu_system_suspend_request(void)
1491{
9abc62f6 1492 if (runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1493 return;
1494 }
1495 suspend_requested = 1;
1496 cpu_stop_current();
1497 qemu_notify_event();
1498}
1499
1500void qemu_register_suspend_notifier(Notifier *notifier)
1501{
1502 notifier_list_add(&suspend_notifiers, notifier);
1503}
1504
fb064112 1505void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
95b363b5 1506{
4fed9421
AK		 1507 trace_system_wakeup_request(reason);
1508
9abc62f6 1509 if (!runstate_check(RUN_STATE_SUSPENDED)) {
fb064112
DHB		 1510 error_setg(errp,
1511 "Unable to wake up: guest is not in suspended state");
95b363b5
GH		 1512 return;
1513 }
1514 if (!(wakeup_reason_mask & (1 << reason))) {
1515 return;
1516 }
ad02b96a 1517 runstate_set(RUN_STATE_RUNNING);
4bc78a87 1518 wakeup_reason = reason;
95b363b5 1519 qemu_notify_event();
95b363b5
GH		 1520}
1521
1522void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1523{
1524 if (enabled) {
1525 wakeup_reason_mask |= (1 << reason);
1526 } else {
1527 wakeup_reason_mask &= ~(1 << reason);
1528 }
1529}
1530
1531void qemu_register_wakeup_notifier(Notifier *notifier)
1532{
1533 notifier_list_add(&wakeup_notifiers, notifier);
1534}
1535
46ea94ca
DHB		 1536void qemu_register_wakeup_support(void)
1537{
1538 wakeup_suspend_enabled = true;
1539}
1540
fb064112 1541bool qemu_wakeup_suspend_enabled(void)
46ea94ca
DHB		 1542{
1543 return wakeup_suspend_enabled;
1544}
1545
f64622c4
GN		 1546void qemu_system_killed(int signal, pid_t pid)
1547{
1548 shutdown_signal = signal;
1549 shutdown_pid = pid;
d9389b96 1550 no_shutdown = 0;
8bd7f71d
PD		 1551
1552 /* Cannot call qemu_system_shutdown_request directly because
1553 * we are in a signal handler.
1554 */
aedbe192 1555 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
8bd7f71d 1556 qemu_notify_event();
f64622c4
GN		 1557}
1558
cf83f140 1559void qemu_system_shutdown_request(ShutdownCause reason)
bb0c6722 1560{
cf83f140
EB		 1561 trace_qemu_system_shutdown_request(reason);
1562 replay_shutdown_request(reason);
1563 shutdown_requested = reason;
d9f75a4e 1564 qemu_notify_event();
bb0c6722
FB		 1565}
1566
013c2f15
IM		 1567static void qemu_system_powerdown(void)
1568{
3ab72385 1569 qapi_event_send_powerdown();
013c2f15
IM		 1570 notifier_list_notify(&powerdown_notifiers, NULL);
1571}
1572
2dadd753
YS		 1573static void qemu_system_shutdown(ShutdownCause cause)
1574{
1575 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1576 notifier_list_notify(&shutdown_notifiers, &cause);
1577}
1578
3475187d
FB		 1579void qemu_system_powerdown_request(void)
1580{
bc78cff9 1581 trace_qemu_system_powerdown_request();
3475187d 1582 powerdown_requested = 1;
d9f75a4e
AL		 1583 qemu_notify_event();
1584}
1585
a9552c8e
IM		 1586void qemu_register_powerdown_notifier(Notifier *notifier)
1587{
1588 notifier_list_add(&powerdown_notifiers, notifier);
1589}
1590
2dadd753
YS		 1591void qemu_register_shutdown_notifier(Notifier *notifier)
1592{
1593 notifier_list_add(&shutdown_notifiers, notifier);
1594}
1595
8cf71710
JK		 1596void qemu_system_debug_request(void)
1597{
1598 debug_requested = 1;
83f338f7 1599 qemu_notify_event();
8cf71710
JK		 1600}
1601
99435906
PB		 1602static bool main_loop_should_exit(void)
1603{
1604 RunState r;
aedbe192
EB		 1605 ShutdownCause request;
1606
047f7038
IM		 1607 if (preconfig_exit_requested) {
1608 if (runstate_check(RUN_STATE_PRECONFIG)) {
1609 runstate_set(RUN_STATE_PRELAUNCH);
1610 }
1611 preconfig_exit_requested = false;
1612 return true;
1613 }
99435906
PB		 1614 if (qemu_debug_requested()) {
1615 vm_stop(RUN_STATE_DEBUG);
1616 }
95b363b5
GH		 1617 if (qemu_suspend_requested()) {
1618 qemu_system_suspend();
1619 }
aedbe192
EB		 1620 request = qemu_shutdown_requested();
1621 if (request) {
99435906 1622 qemu_kill_report();
2dadd753 1623 qemu_system_shutdown(request);
99435906
PB		 1624 if (no_shutdown) {
1625 vm_stop(RUN_STATE_SHUTDOWN);
1626 } else {
1627 return true;
1628 }
1629 }
aedbe192
EB		 1630 request = qemu_reset_requested();
1631 if (request) {
99435906 1632 pause_all_vcpus();
aedbe192 1633 qemu_system_reset(request);
99435906 1634 resume_all_vcpus();
ddad81bd
LV		 1635 /*
1636 * runstate can change in pause_all_vcpus()
1637 * as iothread mutex is unlocked
1638 */
7ec13c79 1639 if (!runstate_check(RUN_STATE_RUNNING) &&
ddad81bd
LV		 1640 !runstate_check(RUN_STATE_INMIGRATE) &&
1641 !runstate_check(RUN_STATE_FINISH_MIGRATE)) {
7ec13c79 1642 runstate_set(RUN_STATE_PRELAUNCH);
99435906
PB		 1643 }
1644 }
14058196
LC		 1645 if (qemu_wakeup_requested()) {
1646 pause_all_vcpus();
4b5e06c9 1647 qemu_system_wakeup();
4bc78a87
LJ		 1648 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1649 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
14058196 1650 resume_all_vcpus();
3ab72385 1651 qapi_event_send_wakeup();
14058196 1652 }
99435906 1653 if (qemu_powerdown_requested()) {
013c2f15 1654 qemu_system_powerdown();
99435906
PB		 1655 }
1656 if (qemu_vmstop_requested(&r)) {
1657 vm_stop(r);
1658 }
1659 return false;
1660}
1661
43b96858
AL		 1662static void main_loop(void)
1663{
8e1b90ec
JK		 1664#ifdef CONFIG_PROFILER
1665 int64_t ti;
1666#endif
0f5319ea 1667 while (!main_loop_should_exit()) {
89bfc105 1668#ifdef CONFIG_PROFILER
46481d39 1669 ti = profile_getclock();
89bfc105 1670#endif
e330c118 1671 main_loop_wait(false);
89bfc105 1672#ifdef CONFIG_PROFILER
46481d39 1673 dev_time += profile_getclock() - ti;
89bfc105 1674#endif
0f5319ea 1675 }
b4608c04
FB		 1676}
1677
9bd7e6d9
PB		 1678static void version(void)
1679{
7e563bfb 1680 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
d915b7bb 1681 QEMU_COPYRIGHT "\n");
9bd7e6d9
PB		 1682}
1683
15f82208 1684static void help(int exitcode)
0824d6fc 1685{
a3adb7ad
ME		 1686 version();
1687 printf("usage: %s [options] [disk_image]\n\n"
1688 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1689 error_get_progname());
1690
77bd1119
ME		 1691#define QEMU_OPTIONS_GENERATE_HELP
1692#include "qemu-options-wrapper.h"
a3adb7ad
ME		 1693
1694 printf("\nDuring emulation, the following keys are useful:\n"
3f020d70 1695 "ctrl-alt-f toggle full screen\n"
1696 "ctrl-alt-n switch to virtual console 'n'\n"
1697 "ctrl-alt toggle mouse and keyboard grab\n"
1698 "\n"
f5048cb7
EB		 1699 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1700 "\n"
1701 QEMU_HELP_BOTTOM "\n");
a3adb7ad 1702
15f82208 1703 exit(exitcode);
0824d6fc
FB		 1704}
1705
cd6f1169
FB		 1706#define HAS_ARG 0x0001
1707
cd6f1169
FB		 1708typedef struct QEMUOption {
1709 const char *name;
1710 int flags;
1711 int index;
ad96090a 1712 uint32_t arch_mask;
cd6f1169
FB		 1713} QEMUOption;
1714
dbed7e40 1715static const QEMUOption qemu_options[] = {
ad96090a 1716 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
77bd1119
ME		 1717#define QEMU_OPTIONS_GENERATE_OPTIONS
1718#include "qemu-options-wrapper.h"
cd6f1169 1719 { NULL },
fc01f7e7 1720};
a369da5f 1721
8c9a2b71
EH		 1722typedef struct VGAInterfaceInfo {
1723 const char *opt_name; /* option name */
1724 const char *name; /* human-readable name */
c2c7b22d
EH		 1725 /* Class names indicating that support is available.
1726 * If no class is specified, the interface is always available */
1727 const char *class_names[2];
8c9a2b71
EH		 1728} VGAInterfaceInfo;
1729
53b93511 1730static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
8c9a2b71
EH		 1731 [VGA_NONE] = {
1732 .opt_name = "none",
d2fa65cd 1733 .name = "no graphic card",
8c9a2b71
EH		 1734 },
1735 [VGA_STD] = {
1736 .opt_name = "std",
1737 .name = "standard VGA",
c2c7b22d 1738 .class_names = { "VGA", "isa-vga" },
8c9a2b71
EH		 1739 },
1740 [VGA_CIRRUS] = {
1741 .opt_name = "cirrus",
1742 .name = "Cirrus VGA",
c2c7b22d 1743 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
8c9a2b71
EH		 1744 },
1745 [VGA_VMWARE] = {
1746 .opt_name = "vmware",
1747 .name = "VMWare SVGA",
c2c7b22d 1748 .class_names = { "vmware-svga" },
8c9a2b71
EH		 1749 },
1750 [VGA_VIRTIO] = {
1751 .opt_name = "virtio",
1752 .name = "Virtio VGA",
c2c7b22d 1753 .class_names = { "virtio-vga" },
8c9a2b71
EH		 1754 },
1755 [VGA_QXL] = {
1756 .opt_name = "qxl",
1757 .name = "QXL VGA",
c2c7b22d 1758 .class_names = { "qxl-vga" },
8c9a2b71
EH		 1759 },
1760 [VGA_TCX] = {
1761 .opt_name = "tcx",
1762 .name = "TCX framebuffer",
c2c7b22d 1763 .class_names = { "SUNW,tcx" },
8c9a2b71
EH		 1764 },
1765 [VGA_CG3] = {
1766 .opt_name = "cg3",
1767 .name = "CG3 framebuffer",
c2c7b22d 1768 .class_names = { "cgthree" },
8c9a2b71
EH		 1769 },
1770 [VGA_XENFB] = {
1771 .opt_name = "xenfb",
d2fa65cd 1772 .name = "Xen paravirtualized framebuffer",
8c9a2b71
EH		 1773 },
1774};
1775
c2c7b22d
EH		 1776static bool vga_interface_available(VGAInterfaceType t)
1777{
53b93511 1778 const VGAInterfaceInfo *ti = &vga_interfaces[t];
c2c7b22d
EH		 1779
1780 assert(t < VGA_TYPE_MAX);
1781 return !ti->class_names[0] ||
1782 object_class_by_name(ti->class_names[0]) ||
1783 object_class_by_name(ti->class_names[1]);
1784}
1785
dceb8852
MAL		 1786static const char *
1787get_default_vga_model(const MachineClass *machine_class)
1788{
1789 if (machine_class->default_display) {
1790 return machine_class->default_display;
1791 } else if (vga_interface_available(VGA_CIRRUS)) {
1792 return "cirrus";
1793 } else if (vga_interface_available(VGA_STD)) {
1794 return "std";
1795 }
1796
1797 return NULL;
1798}
1799
1800static void select_vgahw(const MachineClass *machine_class, const char *p)
3893c124 1801{
1802 const char *opts;
8c9a2b71 1803 int t;
3893c124 1804
dceb8852
MAL		 1805 if (g_str_equal(p, "help")) {
1806 const char *def = get_default_vga_model(machine_class);
1807
1808 for (t = 0; t < VGA_TYPE_MAX; t++) {
1809 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1810
1811 if (vga_interface_available(t) && ti->opt_name) {
1812 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1813 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1814 }
1815 }
1816 exit(0);
1817 }
1818
d44229c5 1819 assert(vga_interface_type == VGA_NONE);
8c9a2b71 1820 for (t = 0; t < VGA_TYPE_MAX; t++) {
53b93511 1821 const VGAInterfaceInfo *ti = &vga_interfaces[t];
8c9a2b71 1822 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
c2c7b22d 1823 if (!vga_interface_available(t)) {
8c9a2b71
EH		 1824 error_report("%s not available", ti->name);
1825 exit(1);
1826 }
1827 vga_interface_type = t;
1828 break;
af87bf29 1829 }
8c9a2b71
EH		 1830 }
1831 if (t == VGA_TYPE_MAX) {
3893c124 1832 invalid_vga:
3e515373 1833 error_report("unknown vga type: %s", p);
3893c124 1834 exit(1);
1835 }
cb5a7aa8 1836 while (*opts) {
1837 const char *nextopt;
1838
1839 if (strstart(opts, ",retrace=", &nextopt)) {
1840 opts = nextopt;
1841 if (strstart(opts, "dumb", &nextopt))
1842 vga_retrace_method = VGA_RETRACE_DUMB;
1843 else if (strstart(opts, "precise", &nextopt))
1844 vga_retrace_method = VGA_RETRACE_PRECISE;
1845 else goto invalid_vga;
1846 } else goto invalid_vga;
1847 opts = nextopt;
1848 }
3893c124 1849}
1850
776d1344
GH		 1851static void parse_display_qapi(const char *optarg)
1852{
776d1344
GH		 1853 DisplayOptions *opts;
1854 Visitor *v;
1855
50beeb68 1856 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
776d1344
GH		 1857
1858 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1859 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1860
1861 qapi_free_DisplayOptions(opts);
1862 visit_free(v);
1863}
1864
e1ca8f7e
GH		 1865DisplayOptions *qmp_query_display_options(Error **errp)
1866{
1867 return QAPI_CLONE(DisplayOptions, &dpy);
1868}
1869
e3af9f9a 1870static void parse_display(const char *p)
1472a95b
JS		 1871{
1872 const char *opts;
1472a95b 1873
c388f408
TH		 1874 if (is_help_option(p)) {
1875 qemu_display_help();
1876 exit(0);
1877 }
1878
1472a95b 1879 if (strstart(p, "sdl", &opts)) {
7a61f438
GH		 1880 /*
1881 * sdl DisplayType needs hand-crafted parser instead of
1882 * parse_display_qapi() due to some options not in
1883 * DisplayOptions, specifically:
1884 * - frame
1885 * Already deprecated.
1886 * - ctrl_grab + alt_grab
1887 * Not clear yet what happens to them long-term. Should
1888 * replaced by something better or deprecated and dropped.
1889 */
fe91f36a 1890 dpy.type = DISPLAY_TYPE_SDL;
1472a95b
JS		 1891 while (*opts) {
1892 const char *nextopt;
1893
09bd7ba9 1894 if (strstart(opts, ",alt_grab=", &nextopt)) {
1472a95b
JS		 1895 opts = nextopt;
1896 if (strstart(opts, "on", &nextopt)) {
1897 alt_grab = 1;
1898 } else if (strstart(opts, "off", &nextopt)) {
1899 alt_grab = 0;
1900 } else {
05175535 1901 goto invalid_sdl_args;
1472a95b
JS		 1902 }
1903 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1904 opts = nextopt;
1905 if (strstart(opts, "on", &nextopt)) {
1906 ctrl_grab = 1;
1907 } else if (strstart(opts, "off", &nextopt)) {
1908 ctrl_grab = 0;
1909 } else {
05175535 1910 goto invalid_sdl_args;
1472a95b
JS		 1911 }
1912 } else if (strstart(opts, ",window_close=", &nextopt)) {
1913 opts = nextopt;
fe91f36a 1914 dpy.has_window_close = true;
1472a95b 1915 if (strstart(opts, "on", &nextopt)) {
fe91f36a 1916 dpy.window_close = true;
1472a95b 1917 } else if (strstart(opts, "off", &nextopt)) {
fe91f36a 1918 dpy.window_close = false;
1472a95b 1919 } else {
05175535 1920 goto invalid_sdl_args;
1472a95b 1921 }
0b71a5d5
GH		 1922 } else if (strstart(opts, ",gl=", &nextopt)) {
1923 opts = nextopt;
fe91f36a 1924 dpy.has_gl = true;
0b71a5d5 1925 if (strstart(opts, "on", &nextopt)) {
62f27922 1926 dpy.gl = DISPLAYGL_MODE_ON;
4867e47c
ET		 1927 } else if (strstart(opts, "core", &nextopt)) {
1928 dpy.gl = DISPLAYGL_MODE_CORE;
1929 } else if (strstart(opts, "es", &nextopt)) {
1930 dpy.gl = DISPLAYGL_MODE_ES;
0b71a5d5 1931 } else if (strstart(opts, "off", &nextopt)) {
62f27922 1932 dpy.gl = DISPLAYGL_MODE_OFF;
0b71a5d5
GH		 1933 } else {
1934 goto invalid_sdl_args;
1935 }
1472a95b 1936 } else {
05175535 1937 invalid_sdl_args:
3e515373 1938 error_report("invalid SDL option string");
05175535 1939 exit(1);
1472a95b
JS		 1940 }
1941 opts = nextopt;
1942 }
3264ff12 1943 } else if (strstart(p, "vnc", &opts)) {
7a61f438
GH		 1944 /*
1945 * vnc isn't a (local) DisplayType but a protocol for remote
1946 * display access.
1947 */
4db14629 1948 if (*opts == '=') {
7b1ee0f2 1949 vnc_parse(opts + 1, &error_fatal);
4db14629 1950 } else {
c6bf0f7f 1951 error_report("VNC requires a display argument vnc=<display>");
3264ff12
JS		 1952 exit(1);
1953 }
1472a95b 1954 } else {
776d1344 1955 parse_display_qapi(p);
1472a95b 1956 }
1472a95b
JS		 1957}
1958
5cea8590
PB		 1959char *qemu_find_file(int type, const char *name)
1960{
4524051c 1961 int i;
5cea8590
PB		 1962 const char *subdir;
1963 char *buf;
1964
31783203
PM		 1965 /* Try the name as a straight path first */
1966 if (access(name, R_OK) == 0) {
4524051c 1967 trace_load_file(name, name);
7267c094 1968 return g_strdup(name);
5cea8590 1969 }
4524051c 1970
5cea8590
PB		 1971 switch (type) {
1972 case QEMU_FILE_TYPE_BIOS:
1973 subdir = "";
1974 break;
1975 case QEMU_FILE_TYPE_KEYMAP:
1976 subdir = "keymaps/";
1977 break;
1978 default:
1979 abort();
1980 }
4524051c
GH		 1981
1982 for (i = 0; i < data_dir_idx; i++) {
1983 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
1984 if (access(buf, R_OK) == 0) {
1985 trace_load_file(name, buf);
1986 return buf;
1987 }
7267c094 1988 g_free(buf);
5cea8590 1989 }
4524051c 1990 return NULL;
5cea8590
PB		 1991}
1992
2a1cce90
GH		 1993static void qemu_add_data_dir(const char *path)
1994{
1995 int i;
1996
1997 if (path == NULL) {
1998 return;
1999 }
2000 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2001 return;
2002 }
2003 for (i = 0; i < data_dir_idx; i++) {
2004 if (strcmp(data_dir[i], path) == 0) {
2005 return; /* duplicate */
2006 }
2007 }
35471127 2008 data_dir[data_dir_idx++] = g_strdup(path);
2a1cce90
GH		 2009}
2010
6407d76e
GS		 2011static inline bool nonempty_str(const char *str)
2012{
2013 return str && *str;
2014}
2015
81b2b810
GS		 2016static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2017{
2018 gchar *buf;
2019 size_t size;
6407d76e 2020 const char *name, *file, *str;
bab47d9a 2021 FWCfgState *fw_cfg = (FWCfgState *) opaque;
81b2b810 2022
bab47d9a 2023 if (fw_cfg == NULL) {
406b6367 2024 error_setg(errp, "fw_cfg device not available");
81b2b810
GS		 2025 return -1;
2026 }
2027 name = qemu_opt_get(opts, "name");
2028 file = qemu_opt_get(opts, "file");
6407d76e
GS		 2029 str = qemu_opt_get(opts, "string");
2030
2031 /* we need name and either a file or the content string */
2032 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
406b6367 2033 error_setg(errp, "invalid argument(s)");
6407d76e
GS		 2034 return -1;
2035 }
2036 if (nonempty_str(file) && nonempty_str(str)) {
406b6367 2037 error_setg(errp, "file and string are mutually exclusive");
81b2b810
GS		 2038 return -1;
2039 }
2040 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
406b6367
MA		 2041 error_setg(errp, "name too long (max. %d char)",
2042 FW_CFG_MAX_FILE_PATH - 1);
81b2b810
GS		 2043 return -1;
2044 }
2045 if (strncmp(name, "opt/", 4) != 0) {
3dc6f869
AF		 2046 warn_report("externally provided fw_cfg item names "
2047 "should be prefixed with \"opt/\"");
81b2b810 2048 }
6407d76e
GS		 2049 if (nonempty_str(str)) {
2050 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2051 buf = g_memdup(str, size);
2052 } else {
353c7d58
LQ		 2053 GError *err = NULL;
2054 if (!g_file_get_contents(file, &buf, &size, &err)) {
2055 error_setg(errp, "can't load %s: %s", file, err->message);
2056 g_error_free(err);
6407d76e
GS		 2057 return -1;
2058 }
81b2b810 2059 }
bab47d9a
GH		 2060 /* For legacy, keep user files in a specific global order. */
2061 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2062 fw_cfg_add_file(fw_cfg, name, buf, size);
2063 fw_cfg_reset_order_override(fw_cfg);
81b2b810
GS		 2064 return 0;
2065}
2066
28d0de7a 2067static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
ff952ba2
MA		 2068{
2069 return qdev_device_help(opts);
2070}
2071
28d0de7a 2072static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
f31d07d1
GH		 2073{
2074 DeviceState *dev;
2075
cd65f349 2076 dev = qdev_device_add(opts, errp);
f3a85056
JF		 2077 if (!dev && *errp) {
2078 error_report_err(*errp);
f31d07d1 2079 return -1;
f3a85056
JF		 2080 } else if (dev) {
2081 object_unref(OBJECT(dev));
f006cf7f 2082 }
f31d07d1
GH		 2083 return 0;
2084}
2085
28d0de7a 2086static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1a688d3b 2087{
bd2d80b2 2088 Error *local_err = NULL;
1a688d3b 2089
4ad6f6cb 2090 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
0ec846bf 2091 if (local_err) {
dd4af977 2092 error_propagate(errp, local_err);
0ec846bf
AN		 2093 return -1;
2094 }
2095 exit(0);
bd2d80b2 2096 }
1a688d3b
GH		 2097 return 0;
2098}
2099
758e8e38 2100#ifdef CONFIG_VIRTFS
28d0de7a 2101static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
74db920c 2102{
b836723d 2103 return qemu_fsdev_add(opts, errp);
74db920c
GS		 2104}
2105#endif
2106
28d0de7a 2107static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
88589343 2108{
0ec7b3e7 2109 Chardev *chr;
fbfc29e3
KW		 2110 bool qmp;
2111 bool pretty = false;
88589343
GH		 2112 const char *chardev;
2113 const char *mode;
88589343
GH		 2114
2115 mode = qemu_opt_get(opts, "mode");
2116 if (mode == NULL) {
2117 mode = "readline";
2118 }
2119 if (strcmp(mode, "readline") == 0) {
fbfc29e3 2120 qmp = false;
88589343 2121 } else if (strcmp(mode, "control") == 0) {
fbfc29e3 2122 qmp = true;
88589343 2123 } else {
2d5a3a8b
MA		 2124 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2125 return -1;
88589343
GH		 2126 }
2127
3c45f625
KW		 2128 if (!qmp && qemu_opt_get(opts, "pretty")) {
2129 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2130 "and will be removed in future versions");
2131 }
fbfc29e3
KW		 2132 if (qemu_opt_get_bool(opts, "pretty", 0)) {
2133 pretty = true;
2134 }
39eaab9a 2135
88589343 2136 chardev = qemu_opt_get(opts, "chardev");
0c57893d
EB		 2137 if (!chardev) {
2138 error_report("chardev is required");
2139 exit(1);
2140 }
88589343
GH		 2141 chr = qemu_chr_find(chardev);
2142 if (chr == NULL) {
2d5a3a8b
MA		 2143 error_setg(errp, "chardev \"%s\" not found", chardev);
2144 return -1;
88589343
GH		 2145 }
2146
fbfc29e3
KW		 2147 if (qmp) {
2148 monitor_init_qmp(chr, pretty);
2149 } else {
2150 monitor_init_hmp(chr, true);
2151 }
88589343
GH		 2152 return 0;
2153}
2154
4821cd4c 2155static void monitor_parse(const char *optarg, const char *mode, bool pretty)
88589343
GH		 2156{
2157 static int monitor_device_index = 0;
2158 QemuOpts *opts;
2159 const char *p;
2160 char label[32];
88589343
GH		 2161
2162 if (strstart(optarg, "chardev:", &p)) {
2163 snprintf(label, sizeof(label), "%s", p);
2164 } else {
140e065d
JK		 2165 snprintf(label, sizeof(label), "compat_monitor%d",
2166 monitor_device_index);
95e30b2a 2167 opts = qemu_chr_parse_compat(label, optarg, true);
88589343 2168 if (!opts) {
f61eddcb 2169 error_report("parse error: %s", optarg);
88589343
GH		 2170 exit(1);
2171 }
2172 }
2173
822ac12d 2174 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
f43e47db
MA		 2175 qemu_opt_set(opts, "mode", mode, &error_abort);
2176 qemu_opt_set(opts, "chardev", label, &error_abort);
3c45f625
KW		 2177 if (!strcmp(mode, "control")) {
2178 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2179 } else {
2180 assert(pretty == false);
2181 }
88589343
GH		 2182 monitor_device_index++;
2183}
2184
bd3c948d
GH		 2185struct device_config {
2186 enum {
aee1b935 2187 DEV_USB, /* -usbdevice */
aee1b935
GH		 2188 DEV_SERIAL, /* -serial */
2189 DEV_PARALLEL, /* -parallel */
c9f398e5 2190 DEV_DEBUGCON, /* -debugcon */
ef0c4a0d 2191 DEV_GDB, /* -gdb, -s */
3ef669e1 2192 DEV_SCLP, /* s390 sclp */
bd3c948d
GH		 2193 } type;
2194 const char *cmdline;
d9a5954d 2195 Location loc;
72cf2d4f 2196 QTAILQ_ENTRY(device_config) next;
bd3c948d 2197};
4fdcac0e
BS		 2198
2199static QTAILQ_HEAD(, device_config) device_configs =
2200 QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2201
2202static void add_device_config(int type, const char *cmdline)
2203{
2204 struct device_config *conf;
2205
7267c094 2206 conf = g_malloc0(sizeof(*conf));
bd3c948d
GH		 2207 conf->type = type;
2208 conf->cmdline = cmdline;
d9a5954d 2209 loc_save(&conf->loc);
72cf2d4f 2210 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2211}
2212
2213static int foreach_device_config(int type, int (*func)(const char *cmdline))
2214{
2215 struct device_config *conf;
2216 int rc;
2217
72cf2d4f 2218 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2219 if (conf->type != type)
2220 continue;
d9a5954d 2221 loc_push_restore(&conf->loc);
bd3c948d 2222 rc = func(conf->cmdline);
d9a5954d 2223 loc_pop(&conf->loc);
28de2f88 2224 if (rc) {
bd3c948d 2225 return rc;
28de2f88 2226 }
bd3c948d
GH		 2227 }
2228 return 0;
2229}
2230
998bbd74
GH		 2231static int serial_parse(const char *devname)
2232{
6af2692e 2233 int index = num_serial_hds;
998bbd74
GH		 2234 char label[32];
2235
2236 if (strcmp(devname, "none") == 0)
2237 return 0;
998bbd74 2238 snprintf(label, sizeof(label), "serial%d", index);
6af2692e
PM		 2239 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2240
4ad6f6cb 2241 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
998bbd74 2242 if (!serial_hds[index]) {
f61eddcb
EH		 2243 error_report("could not connect serial device"
2244 " to character backend '%s'", devname);
998bbd74
GH		 2245 return -1;
2246 }
6af2692e 2247 num_serial_hds++;
998bbd74
GH		 2248 return 0;
2249}
2250
a8d78cd0
PM		 2251Chardev *serial_hd(int i)
2252{
2253 assert(i >= 0);
6af2692e 2254 if (i < num_serial_hds) {
a8d78cd0
PM		 2255 return serial_hds[i];
2256 }
2257 return NULL;
2258}
2259
b8846a4d
PM		 2260int serial_max_hds(void)
2261{
2262 return num_serial_hds;
2263}
2264
6a5e8b0e
GH		 2265static int parallel_parse(const char *devname)
2266{
2267 static int index = 0;
2268 char label[32];
2269
2270 if (strcmp(devname, "none") == 0)
2271 return 0;
2272 if (index == MAX_PARALLEL_PORTS) {
f61eddcb 2273 error_report("too many parallel ports");
6a5e8b0e
GH		 2274 exit(1);
2275 }
2276 snprintf(label, sizeof(label), "parallel%d", index);
4ad6f6cb 2277 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
6a5e8b0e 2278 if (!parallel_hds[index]) {
f61eddcb
EH		 2279 error_report("could not connect parallel device"
2280 " to character backend '%s'", devname);
6a5e8b0e
GH		 2281 return -1;
2282 }
2283 index++;
2284 return 0;
2285}
2286
c9f398e5 2287static int debugcon_parse(const char *devname)
4d8b3c63 2288{
c9f398e5
PA		 2289 QemuOpts *opts;
2290
4ad6f6cb 2291 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
d7ecf712 2292 error_report("invalid character backend '%s'", devname);
c9f398e5
PA		 2293 exit(1);
2294 }
8be7e7e4 2295 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
c9f398e5 2296 if (!opts) {
f61eddcb 2297 error_report("already have a debugcon device");
c9f398e5
PA		 2298 exit(1);
2299 }
f43e47db
MA		 2300 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2301 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
c9f398e5
PA		 2302 return 0;
2303}
2304
2709f263
LE		 2305static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2306{
2307 const MachineClass *mc1 = a, *mc2 = b;
2308 int res;
2309
2310 if (mc1->family == NULL) {
2311 if (mc2->family == NULL) {
2312 /* Compare standalone machine types against each other; they sort
2313 * in increasing order.
2314 */
2315 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2316 object_class_get_name(OBJECT_CLASS(mc2)));
2317 }
2318
2319 /* Standalone machine types sort after families. */
2320 return 1;
2321 }
2322
2323 if (mc2->family == NULL) {
2324 /* Families sort before standalone machine types. */
2325 return -1;
2326 }
2327
2328 /* Families sort between each other alphabetically increasingly. */
2329 res = strcmp(mc1->family, mc2->family);
2330 if (res != 0) {
2331 return res;
2332 }
2333
2334 /* Within the same family, machine types sort in decreasing order. */
2335 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2336 object_class_get_name(OBJECT_CLASS(mc1)));
2337}
2338
c516cd1b 2339static MachineClass *machine_parse(const char *name, GSList *machines)
9052ea6b 2340{
12cb82fd 2341 MachineClass *mc;
c516cd1b 2342 GSList *el;
9052ea6b 2343
12cb82fd 2344 if (is_help_option(name)) {
025172d5 2345 printf("Supported machines are:\n");
2709f263 2346 machines = g_slist_sort(machines, machine_class_cmp);
025172d5
MR		 2347 for (el = machines; el; el = el->next) {
2348 MachineClass *mc = el->data;
958db90c
MA		 2349 if (mc->alias) {
2350 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
025172d5 2351 }
08fe6824
TH		 2352 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2353 mc->is_default ? " (default)" : "",
2354 mc->deprecation_reason ? " (deprecated)" : "");
9052ea6b 2355 }
12cb82fd 2356 exit(0);
9052ea6b 2357 }
261747f1 2358
12cb82fd
MA		 2359 mc = find_machine(name, machines);
2360 if (!mc) {
2361 error_report("unsupported machine type");
2362 error_printf("Use -machine help to list supported machines\n");
2363 exit(1);
2364 }
2365 return mc;
9052ea6b
JK		 2366}
2367
fd42deeb
GH		 2368void qemu_add_exit_notifier(Notifier *notify)
2369{
2370 notifier_list_add(&exit_notifiers, notify);
2371}
2372
2373void qemu_remove_exit_notifier(Notifier *notify)
2374{
31552529 2375 notifier_remove(notify);
fd42deeb
GH		 2376}
2377
2378static void qemu_run_exit_notifiers(void)
2379{
9e8dd451 2380 notifier_list_notify(&exit_notifiers, NULL);
fd42deeb
GH		 2381}
2382
90a84d13
MAL		 2383static const char *pid_file;
2384static Notifier qemu_unlink_pidfile_notifier;
2385
2386static void qemu_unlink_pidfile(Notifier *n, void *data)
2387{
2388 if (pid_file) {
2389 unlink(pid_file);
2390 }
2391}
2392
c8ca2a23 2393bool machine_init_done;
71cdd1cb 2394
4cab946a
GN		 2395void qemu_add_machine_init_done_notifier(Notifier *notify)
2396{
2397 notifier_list_add(&machine_init_done_notifiers, notify);
71cdd1cb
PB		 2398 if (machine_init_done) {
2399 notify->notify(notify, NULL);
2400 }
4cab946a
GN		 2401}
2402
b86eacb8
MA		 2403void qemu_remove_machine_init_done_notifier(Notifier *notify)
2404{
2405 notifier_remove(notify);
2406}
2407
4cab946a
GN		 2408static void qemu_run_machine_init_done_notifiers(void)
2409{
71cdd1cb 2410 machine_init_done = true;
c8ca2a23 2411 notifier_list_notify(&machine_init_done_notifiers, NULL);
4cab946a
GN		 2412}
2413
6530a97b
AL		 2414static const QEMUOption *lookup_opt(int argc, char **argv,
2415 const char **poptarg, int *poptind)
2416{
2417 const QEMUOption *popt;
2418 int optind = *poptind;
2419 char *r = argv[optind];
2420 const char *optarg;
2421
0f0bc3f1 2422 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2423 optind++;
2424 /* Treat --foo the same as -foo. */
2425 if (r[1] == '-')
2426 r++;
2427 popt = qemu_options;
2428 for(;;) {
2429 if (!popt->name) {
0f0bc3f1 2430 error_report("invalid option");
6530a97b
AL		 2431 exit(1);
2432 }
2433 if (!strcmp(popt->name, r + 1))
2434 break;
2435 popt++;
2436 }
2437 if (popt->flags & HAS_ARG) {
2438 if (optind >= argc) {
0f0bc3f1 2439 error_report("requires an argument");
6530a97b
AL		 2440 exit(1);
2441 }
2442 optarg = argv[optind++];
0f0bc3f1 2443 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2444 } else {
2445 optarg = NULL;
2446 }
2447
2448 *poptarg = optarg;
2449 *poptind = optind;
2450
2451 return popt;
2452}
2453
7580f231 2454static MachineClass *select_machine(void)
34f405ae 2455{
c516cd1b
WY		 2456 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2457 MachineClass *machine_class = find_default_machine(machines);
34f405ae
MA		 2458 const char *optarg;
2459 QemuOpts *opts;
2460 Location loc;
2461
2462 loc_push_none(&loc);
2463
2464 opts = qemu_get_machine_opts();
2465 qemu_opts_loc_restore(opts);
2466
2467 optarg = qemu_opt_get(opts, "type");
2468 if (optarg) {
c516cd1b 2469 machine_class = machine_parse(optarg, machines);
34f405ae
MA		 2470 }
2471
7580f231 2472 if (!machine_class) {
34f405ae
MA		 2473 error_report("No machine specified, and there is no default");
2474 error_printf("Use -machine help to list supported machines\n");
2475 exit(1);
2476 }
2477
2478 loc_pop(&loc);
c516cd1b 2479 g_slist_free(machines);
7580f231 2480 return machine_class;
34f405ae
MA		 2481}
2482
e5db4bd8
PB		 2483static int object_parse_property_opt(Object *obj,
2484 const char *name, const char *value,
2485 const char *skip, Error **errp)
68d98d3e 2486{
68d98d3e
AL		 2487 Error *local_err = NULL;
2488
e5db4bd8 2489 if (g_str_equal(name, skip)) {
68d98d3e
AL		 2490 return 0;
2491 }
2492
e5db4bd8 2493 object_property_parse(obj, value, name, &local_err);
68d98d3e
AL		 2494
2495 if (local_err) {
702832b8 2496 error_propagate(errp, local_err);
68d98d3e
AL		 2497 return -1;
2498 }
2499
2500 return 0;
2501}
2502
e5db4bd8
PB		 2503static int machine_set_property(void *opaque,
2504 const char *name, const char *value,
2505 Error **errp)
2506{
2507 g_autofree char *qom_name = g_strdup(name);
2508 char *p;
2509
2510 for (p = qom_name; *p; p++) {
2511 if (*p == '_') {
2512 *p = '-';
2513 }
2514 }
2515
6f6e1698
PB		 2516 /* Legacy options do not correspond to MachineState properties. */
2517 if (g_str_equal(qom_name, "accel")) {
2518 return 0;
2519 }
46472d82
PB		 2520 if (g_str_equal(qom_name, "igd-passthru")) {
2521 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value);
2522 return 0;
2523 }
11bc4a13
PB		 2524 if (g_str_equal(qom_name, "kvm-shadow-mem") ||
2525 g_str_equal(qom_name, "kernel-irqchip")) {
23b0898e
PB		 2526 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value);
2527 return 0;
2528 }
6f6e1698 2529
e5db4bd8
PB		 2530 return object_parse_property_opt(opaque, name, value, "type", errp);
2531}
f08f9271
DB		 2532
2533/*
2534 * Initial object creation happens before all other
2535 * QEMU data types are created. The majority of objects
2536 * can be created at this point. The rng-egd object
2537 * cannot be created here, as it depends on the chardev
2538 * already existing.
2539 */
1195fa2b 2540static bool object_create_initial(const char *type, QemuOpts *opts)
f08f9271 2541{
3e9297f3 2542 if (user_creatable_print_help(type, opts)) {
1195fa2b
MAL		 2543 exit(0);
2544 }
2545
edfb4389
MA		 2546 /*
2547 * Objects should not be made "delayed" without a reason. If you
2548 * add one, state the reason in a comment!
2549 */
2550
2551 /* Reason: rng-egd property "chardev" */
9ea18ed2 2552 if (g_str_equal(type, "rng-egd")) {
f08f9271
DB		 2553 return false;
2554 }
7dbb11c8 2555
042cea27 2556#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
edfb4389 2557 /* Reason: cryptodev-vhost-user property "chardev" */
042cea27
GA		 2558 if (g_str_equal(type, "cryptodev-vhost-user")) {
2559 return false;
2560 }
2561#endif
2562
9d3e12e8 2563 /*
edfb4389 2564 * Reason: filter-* property "netdev" etc.
9d3e12e8
TH		 2565 */
2566 if (g_str_equal(type, "filter-buffer") ||
f6d3afb5 2567 g_str_equal(type, "filter-dump") ||
d46f75b2 2568 g_str_equal(type, "filter-mirror") ||
7dce4e6f 2569 g_str_equal(type, "filter-redirector") ||
e6eee8ab 2570 g_str_equal(type, "colo-compare") ||
646c5478
PD		 2571 g_str_equal(type, "filter-rewriter") ||
2572 g_str_equal(type, "filter-replay")) {
7dbb11c8
YH		 2573 return false;
2574 }
2575
6546d0db
EH		 2576 /* Memory allocation by backends needs to be done
2577 * after configure_accelerator() (due to the tcg_enabled()
2578 * checks at memory_region_init_*()).
2579 *
2580 * Also, allocation of large amounts of memory may delay
2581 * chardev initialization for too long, and trigger timeouts
2582 * on software that waits for a monitor socket to be created
2583 * (e.g. libvirt).
2584 */
2585 if (g_str_has_prefix(type, "memory-backend-")) {
2586 return false;
2587 }
2588
f08f9271
DB		 2589 return true;
2590}
2591
2592
2593/*
2594 * The remainder of object creation happens after the
9abce56d 2595 * creation of chardev, fsdev, net clients and device data types.
f08f9271 2596 */
1195fa2b 2597static bool object_create_delayed(const char *type, QemuOpts *opts)
f08f9271 2598{
1195fa2b 2599 return !object_create_initial(type, opts);
f08f9271
DB		 2600}
2601
2602
076b35b5
ND		 2603static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2604 MachineClass *mc)
3b9985e9
MA		 2605{
2606 uint64_t sz;
2607 const char *mem_str;
076b35b5 2608 const ram_addr_t default_ram_size = mc->default_ram_size;
3b9985e9 2609 QemuOpts *opts = qemu_find_opts_singleton("memory");
bbe2d25c
EH		 2610 Location loc;
2611
2612 loc_push_none(&loc);
2613 qemu_opts_loc_restore(opts);
3b9985e9
MA		 2614
2615 sz = 0;
2616 mem_str = qemu_opt_get(opts, "size");
2617 if (mem_str) {
2618 if (!*mem_str) {
2619 error_report("missing 'size' option value");
2620 exit(EXIT_FAILURE);
2621 }
2622
2623 sz = qemu_opt_get_size(opts, "size", ram_size);
2624
2625 /* Fix up legacy suffix-less format */
2626 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2627 uint64_t overflow_check = sz;
2628
3dc54b0e
PMD		 2629 sz *= MiB;
2630 if (sz / MiB != overflow_check) {
3b9985e9
MA		 2631 error_report("too large 'size' option value");
2632 exit(EXIT_FAILURE);
2633 }
2634 }
2635 }
2636
2637 /* backward compatibility behaviour for case "-m 0" */
2638 if (sz == 0) {
2639 sz = default_ram_size;
2640 }
2641
2642 sz = QEMU_ALIGN_UP(sz, 8192);
2643 ram_size = sz;
2644 if (ram_size != sz) {
2645 error_report("ram size too large");
2646 exit(EXIT_FAILURE);
2647 }
2648
2649 /* store value for the future use */
39101f25 2650 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3b9985e9
MA		 2651 *maxram_size = ram_size;
2652
951f2269 2653 if (qemu_opt_get(opts, "maxmem")) {
3b9985e9
MA		 2654 uint64_t slots;
2655
2656 sz = qemu_opt_get_size(opts, "maxmem", 0);
214224ad 2657 slots = qemu_opt_get_number(opts, "slots", 0);
3b9985e9 2658 if (sz < ram_size) {
214224ad
PK		 2659 error_report("invalid value of -m option maxmem: "
2660 "maximum memory size (0x%" PRIx64 ") must be at least "
2661 "the initial memory size (0x" RAM_ADDR_FMT ")",
2662 sz, ram_size);
3b9985e9 2663 exit(EXIT_FAILURE);
951f2269 2664 } else if (slots && sz == ram_size) {
214224ad
PK		 2665 error_report("invalid value of -m option maxmem: "
2666 "memory slots were specified but maximum memory size "
2667 "(0x%" PRIx64 ") is equal to the initial memory size "
2668 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3b9985e9
MA		 2669 exit(EXIT_FAILURE);
2670 }
2671
3b9985e9
MA		 2672 *maxram_size = sz;
2673 *ram_slots = slots;
951f2269
DH		 2674 } else if (qemu_opt_get(opts, "slots")) {
2675 error_report("invalid -m option value: missing 'maxmem' option");
3b9985e9
MA		 2676 exit(EXIT_FAILURE);
2677 }
bbe2d25c
EH		 2678
2679 loc_pop(&loc);
3b9985e9
MA		 2680}
2681
8d76bfe8
EH		 2682static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2683{
2684 GlobalProperty *g;
2685
2686 g = g_malloc0(sizeof(*g));
2687 g->driver = qemu_opt_get(opts, "driver");
2688 g->property = qemu_opt_get(opts, "property");
2689 g->value = qemu_opt_get(opts, "value");
8d76bfe8
EH		 2690 qdev_prop_register_global(g);
2691 return 0;
2692}
2693
726401be
EH		 2694static int qemu_read_default_config_file(void)
2695{
2696 int ret;
2697
2698 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2699 if (ret < 0 && ret != -ENOENT) {
2700 return ret;
2701 }
2702
2703 return 0;
2704}
2705
a0660e0b
PX		 2706static void user_register_global_props(void)
2707{
2708 qemu_opts_foreach(qemu_find_opts("global"),
2709 global_init_func, NULL, NULL);
2710}
2711
7f8b6126
PB		 2712static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
2713{
2714 configure_icount(opts, errp);
2715 return 0;
2716}
2717
12ceaef6
PB		 2718static int accelerator_set_property(void *opaque,
2719 const char *name, const char *value,
2720 Error **errp)
2721{
2722 return object_parse_property_opt(opaque, name, value, "accel", errp);
2723}
2724
deda73e8
PB		 2725static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
2726{
6f6e1698
PB		 2727 bool *p_init_failed = opaque;
2728 const char *acc = qemu_opt_get(opts, "accel");
2729 AccelClass *ac = accel_find(acc);
fc5cf826 2730 AccelState *accel;
6f6e1698
PB		 2731 int ret;
2732
2733 if (!ac) {
8b90f1c5
PB		 2734 *p_init_failed = true;
2735 error_report("invalid accelerator %s", acc);
6f6e1698
PB		 2736 return 0;
2737 }
fc5cf826 2738 accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
fe174132 2739 object_apply_compat_props(OBJECT(accel));
12ceaef6
PB		 2740 qemu_opt_foreach(opts, accelerator_set_property,
2741 accel,
2742 &error_fatal);
2743
fc5cf826 2744 ret = accel_init_machine(accel, current_machine);
6f6e1698
PB		 2745 if (ret < 0) {
2746 *p_init_failed = true;
2747 error_report("failed to initialize %s: %s",
2748 acc, strerror(-ret));
2749 return 0;
2750 }
fe174132 2751
6f6e1698 2752 return 1;
deda73e8
PB		 2753}
2754
28a09617 2755static void configure_accelerators(const char *progname)
deda73e8 2756{
28a09617
PB		 2757 const char *accel;
2758 char **accel_list, **tmp;
28a09617
PB		 2759 bool accel_initialised = false;
2760 bool init_failed = false;
28a09617
PB		 2761
2762 qemu_opts_foreach(qemu_find_opts("icount"),
2763 do_configure_icount, NULL, &error_fatal);
2764
2765 accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
6f6e1698
PB		 2766 if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
2767 if (accel == NULL) {
2768 /* Select the default accelerator */
2769 if (!accel_find("tcg") && !accel_find("kvm")) {
2770 error_report("No accelerator selected and"
2771 " no default accelerator available");
2772 exit(1);
28a09617 2773 } else {
6f6e1698
PB		 2774 int pnlen = strlen(progname);
2775 if (pnlen >= 3 && g_str_equal(&progname[pnlen - 3], "kvm")) {
2776 /* If the program name ends with "kvm", we prefer KVM */
2777 accel = "kvm:tcg";
2778 } else {
2779 accel = "tcg:kvm";
2780 }
28a09617
PB		 2781 }
2782 }
28a09617 2783
6f6e1698 2784 accel_list = g_strsplit(accel, ":", 0);
28a09617 2785
6f6e1698
PB		 2786 for (tmp = accel_list; !accel_initialised && tmp && *tmp; tmp++) {
2787 /*
2788 * Filter invalid accelerators here, to prevent obscenities
2789 * such as "-machine accel=tcg,,thread=single".
2790 */
2791 if (accel_find(*tmp)) {
2792 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
8b90f1c5
PB		 2793 } else {
2794 init_failed = true;
2795 error_report("invalid accelerator %s", *tmp);
6f6e1698 2796 }
28a09617 2797 }
adb464ff 2798 g_strfreev(accel_list);
6f6e1698
PB		 2799 } else {
2800 if (accel != NULL) {
2801 error_report("The -accel and \"-machine accel=\" options are incompatible");
2802 exit(1);
28a09617
PB		 2803 }
2804 }
28a09617 2805
6f6e1698
PB		 2806 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2807 do_configure_accelerator, &init_failed, &error_fatal)) {
28a09617 2808 if (!init_failed) {
6f6e1698 2809 error_report("no accelerator found");
28a09617
PB		 2810 }
2811 exit(1);
2812 }
2813
2814 if (init_failed) {
6f6e1698 2815 AccelClass *ac = ACCEL_GET_CLASS(current_machine->accelerator);
8b90f1c5 2816 error_report("falling back to %s", ac->name);
28a09617
PB		 2817 }
2818
deda73e8
PB		 2819 if (use_icount && !(tcg_enabled() || qtest_enabled())) {
2820 error_report("-icount is not allowed with hardware virtualization");
2821 exit(1);
2822 }
2823}
2824
902b3d5c 2825int main(int argc, char **argv, char **envp)
0824d6fc 2826{
e4bcb14c 2827 int i;
da1fcfda 2828 int snapshot, linux_boot;
7f7f9873 2829 const char *initrd_filename;
a20dd508 2830 const char *kernel_filename, *kernel_cmdline;
f05f47bb
GA		 2831 const char *boot_order = NULL;
2832 const char *boot_once = NULL;
3023f332 2833 DisplayState *ds;
8d4e9146 2834 QemuOpts *opts, *machine_opts;
d1cdd92e 2835 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
03b0ba70 2836 QemuOptsList *olist;
cd6f1169 2837 int optind;
6530a97b 2838 const char *optarg;
d63d307f 2839 const char *loadvm = NULL;
0056ae24 2840 MachineClass *machine_class;
c1c8cfe5 2841 const char *cpu_option;
d44229c5 2842 const char *vga_model = NULL;
d4fce24f
PB		 2843 const char *qtest_chrdev = NULL;
2844 const char *qtest_log = NULL;
5bb7910a 2845 const char *incoming = NULL;
f29a5614 2846 bool userconfig = true;
cfc58cf3 2847 bool nographic = false;
1f0dfe02 2848 int display_remote = 0;
c235d738
MF		 2849 const char *log_mask = NULL;
2850 const char *log_file = NULL;
41fc57e4 2851 char *trace_file = NULL;
3b9985e9 2852 ram_addr_t maxram_size;
c270fb9e 2853 uint64_t ram_slots = 0;
abfd9ce3 2854 FILE *vmstate_dump_file = NULL;
2f78e491 2855 Error *main_loop_err = NULL;
ddbb0d09 2856 Error *err = NULL;
37146e7e 2857 bool list_data_dirs = false;
35471127 2858 char *dir, **dirs;
651af51c 2859 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
42229a75 2860 QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
0b5538c3 2861
45d8bc3a
WY		 2862 os_set_line_buffering();
2863
f5852efa 2864 error_init(argv[0]);
fe4db84d
DB		 2865 module_call_init(MODULE_INIT_TRACE);
2866
267f685b 2867 qemu_init_cpu_list();
576a94d8 2868 qemu_init_cpu_loop();
d759c951 2869
576a94d8
PB		 2870 qemu_mutex_lock_iothread();
2871
fd42deeb 2872 atexit(qemu_run_exit_notifiers);
10f5bff6 2873 qemu_init_exec_dir(argv[0]);
65abca0a 2874
1b71f7c1
AF		 2875 module_call_init(MODULE_INIT_QOM);
2876
4d454574 2877 qemu_add_opts(&qemu_drive_opts);
968854c8
AK		 2878 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2879 qemu_add_drive_opts(&qemu_common_drive_opts);
2880 qemu_add_drive_opts(&qemu_drive_opts);
c5f3014b 2881 qemu_add_drive_opts(&bdrv_runtime_opts);
4d454574
PB		 2882 qemu_add_opts(&qemu_chardev_opts);
2883 qemu_add_opts(&qemu_device_opts);
2884 qemu_add_opts(&qemu_netdev_opts);
78cd6f7b 2885 qemu_add_opts(&qemu_nic_opts);
4d454574
PB		 2886 qemu_add_opts(&qemu_net_opts);
2887 qemu_add_opts(&qemu_rtc_opts);
2888 qemu_add_opts(&qemu_global_opts);
2889 qemu_add_opts(&qemu_mon_opts);
2890 qemu_add_opts(&qemu_trace_opts);
42229a75 2891 qemu_plugin_add_opts();
4d454574
PB		 2892 qemu_add_opts(&qemu_option_rom_opts);
2893 qemu_add_opts(&qemu_machine_opts);
8d4e9146 2894 qemu_add_opts(&qemu_accel_opts);
6e1d3c1c 2895 qemu_add_opts(&qemu_mem_opts);
12b7f57e 2896 qemu_add_opts(&qemu_smp_opts);
4d454574 2897 qemu_add_opts(&qemu_boot_opts);
4d454574
PB		 2898 qemu_add_opts(&qemu_add_fd_opts);
2899 qemu_add_opts(&qemu_object_opts);
d1a0cf73 2900 qemu_add_opts(&qemu_tpmdev_opts);
888a6bc6 2901 qemu_add_opts(&qemu_realtime_opts);
1fdd4748 2902 qemu_add_opts(&qemu_overcommit_opts);
5e2ac519 2903 qemu_add_opts(&qemu_msg_opts);
5d12f961 2904 qemu_add_opts(&qemu_name_opts);
0042109a 2905 qemu_add_opts(&qemu_numa_opts);
1ad9580b 2906 qemu_add_opts(&qemu_icount_opts);
a38bb079 2907 qemu_add_opts(&qemu_semihosting_config_opts);
81b2b810 2908 qemu_add_opts(&qemu_fw_cfg_opts);
34294e2f 2909 module_call_init(MODULE_INIT_OPTS);
4d454574 2910
5db9d4d1 2911 runstate_init();
bd227060 2912 precopy_infrastructure_init();
1693c64c 2913 postcopy_infrastructure_init();
d32749de 2914 monitor_init_globals();
5db9d4d1 2915
ddbb0d09 2916 if (qcrypto_init(&err) < 0) {
c29b77f9 2917 error_reportf_err(err, "cannot initialize crypto: ");
ddbb0d09
DB		 2918 exit(1);
2919 }
6875204c 2920
60dbc5a1 2921 QTAILQ_INIT(&vm_change_state_head);
fe98ac14 2922 os_setup_early_signal_handling();
be995c27 2923
c1c8cfe5 2924 cpu_option = NULL;
33e3963e 2925 snapshot = 0;
c4b1fcc0 2926
7c9d8e07 2927 nb_nics = 0;
3b46e624 2928
142c6b1a
PL		 2929 bdrv_init_with_whitelist();
2930
2c02d1ad 2931 autostart = 1;
41bd639b 2932
292444cb
AL		 2933 /* first pass of option parsing */
2934 optind = 1;
2935 while (optind < argc) {
2936 if (argv[optind][0] != '-') {
2937 /* disk image */
28e68d68 2938 optind++;
292444cb
AL		 2939 } else {
2940 const QEMUOption *popt;
2941
2942 popt = lookup_opt(argc, argv, &optarg, &optind);
2943 switch (popt->index) {
f29a5614
EH		 2944 case QEMU_OPTION_nouserconfig:
2945 userconfig = false;
2946 break;
292444cb
AL		 2947 }
2948 }
2949 }
2950
1ea06c39 2951 if (userconfig) {
726401be 2952 if (qemu_read_default_config_file() < 0) {
dcfb0939 2953 exit(1);
292444cb
AL		 2954 }
2955 }
2956
2957 /* second pass of option parsing */
cd6f1169 2958 optind = 1;
0824d6fc 2959 for(;;) {
cd6f1169 2960 if (optind >= argc)
0824d6fc 2961 break;
6530a97b 2962 if (argv[optind][0] != '-') {
17f30eae 2963 loc_set_cmdline(argv, optind, 1);
d1cdd92e 2964 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
cd6f1169
FB		 2965 } else {
2966 const QEMUOption *popt;
2967
6530a97b 2968 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a 2969 if (!(popt->arch_mask & arch_type)) {
da002526 2970 error_report("Option not supported for this target");
ad96090a
BS		 2971 exit(1);
2972 }
cd6f1169 2973 switch(popt->index) {
94fc95cd
JM		 2974 case QEMU_OPTION_cpu:
2975 /* hw initialization will check this */
c1c8cfe5 2976 cpu_option = optarg;
94fc95cd 2977 break;
cd6f1169 2978 case QEMU_OPTION_hda:
cd6f1169 2979 case QEMU_OPTION_hdb:
cc1daa40
FB		 2980 case QEMU_OPTION_hdc:
2981 case QEMU_OPTION_hdd:
2292ddae
MA		 2982 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2983 HD_OPTS);
fc01f7e7 2984 break;
42e5f393
MA		 2985 case QEMU_OPTION_blockdev:
2986 {
2987 Visitor *v;
651af51c 2988 BlockdevOptionsQueueEntry *bdo;
42e5f393 2989
92917cd2
MA		 2990 v = qobject_input_visitor_new_str(optarg, "driver",
2991 &error_fatal);
42e5f393 2992
651af51c 2993 bdo = g_new(BlockdevOptionsQueueEntry, 1);
42e5f393
MA		 2994 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
2995 &error_fatal);
2996 visit_free(v);
2997 loc_save(&bdo->loc);
2998 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
2999 break;
3000 }
e4bcb14c 3001 case QEMU_OPTION_drive:
e2982c3a
MT		 3002 if (drive_def(optarg) == NULL) {
3003 exit(1);
3004 }
99efa84d 3005 break;
d058fe03
GH		 3006 case QEMU_OPTION_set:
3007 if (qemu_set_option(optarg) != 0)
3008 exit(1);
99efa84d 3009 break;
d0fef6fb
GH		 3010 case QEMU_OPTION_global:
3011 if (qemu_global_option(optarg) != 0)
3012 exit(1);
99efa84d 3013 break;
3e3d5815 3014 case QEMU_OPTION_mtdblock:
2292ddae 3015 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3e3d5815 3016 break;
a1bb27b1 3017 case QEMU_OPTION_sd:
80f4d9fc 3018 drive_add(IF_SD, -1, optarg, SD_OPTS);
a1bb27b1 3019 break;
86f55663 3020 case QEMU_OPTION_pflash:
2292ddae 3021 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
86f55663 3022 break;
cd6f1169 3023 case QEMU_OPTION_snapshot:
25863975
PD		 3024 {
3025 Error *blocker = NULL;
3026 snapshot = 1;
3027 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
3028 "-snapshot");
3029 replay_add_blocker(blocker);
3030 }
33e3963e 3031 break;
268a362c 3032 case QEMU_OPTION_numa:
70b94331
MA		 3033 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3034 optarg, true);
0042109a
WG		 3035 if (!opts) {
3036 exit(1);
3037 }
268a362c 3038 break;
1472a95b 3039 case QEMU_OPTION_display:
e3af9f9a 3040 parse_display(optarg);
1472a95b 3041 break;
cd6f1169 3042 case QEMU_OPTION_nographic:
cfc58cf3
EH		 3043 olist = qemu_find_opts("machine");
3044 qemu_opts_parse_noisily(olist, "graphics=off", false);
3045 nographic = true;
0c8d7065 3046 dpy.type = DISPLAY_TYPE_NONE;
a20dd508 3047 break;
4d3b6f6e 3048 case QEMU_OPTION_curses:
47b05369 3049#ifdef CONFIG_CURSES
14f130fa 3050 dpy.type = DISPLAY_TYPE_CURSES;
47b05369 3051#else
e08bb301 3052 error_report("curses or iconv support is disabled");
47b05369 3053 exit(1);
4d3b6f6e 3054#endif
47b05369 3055 break;
a171fe39 3056 case QEMU_OPTION_portrait:
9312805d
VK		 3057 graphic_rotate = 90;
3058 break;
3059 case QEMU_OPTION_rotate:
3060 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3061 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3062 graphic_rotate != 180 && graphic_rotate != 270) {
f61eddcb 3063 error_report("only 90, 180, 270 deg rotation is available");
9312805d
VK		 3064 exit(1);
3065 }
a171fe39 3066 break;
cd6f1169 3067 case QEMU_OPTION_kernel:
79087c78
MA		 3068 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3069 &error_abort);
a0abe474
PM		 3070 break;
3071 case QEMU_OPTION_initrd:
79087c78
MA		 3072 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3073 &error_abort);
a20dd508 3074 break;
cd6f1169 3075 case QEMU_OPTION_append:
79087c78
MA		 3076 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3077 &error_abort);
313aa567 3078 break;
412beee6 3079 case QEMU_OPTION_dtb:
79087c78
MA		 3080 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3081 &error_abort);
412beee6 3082 break;
cd6f1169 3083 case QEMU_OPTION_cdrom:
2292ddae 3084 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
36b486bb 3085 break;
cd6f1169 3086 case QEMU_OPTION_boot:
70b94331
MA		 3087 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3088 optarg, true);
8281abd5
MA		 3089 if (!opts) {
3090 exit(1);
36b486bb
FB		 3091 }
3092 break;
cd6f1169 3093 case QEMU_OPTION_fda:
cd6f1169 3094 case QEMU_OPTION_fdb:
2292ddae
MA		 3095 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3096 optarg, FD_OPTS);
c45886db 3097 break;
52ca8d6a
FB		 3098 case QEMU_OPTION_no_fd_bootchk:
3099 fd_bootchk = 0;
3100 break;
a1ea458f 3101 case QEMU_OPTION_netdev:
d30300f7 3102 default_net = 0;
3329f07b 3103 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
a1ea458f
MM		 3104 exit(1);
3105 }
3106 break;
78cd6f7b
TH		 3107 case QEMU_OPTION_nic:
3108 default_net = 0;
3109 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3110 exit(1);
3111 }
3112 break;
7c9d8e07 3113 case QEMU_OPTION_net:
d30300f7 3114 default_net = 0;
3329f07b 3115 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
c4b1fcc0
FB		 3116 exit(1);
3117 }
702c651c 3118 break;
f9dadc98
RS		 3119#ifdef CONFIG_LIBISCSI
3120 case QEMU_OPTION_iscsi:
70b94331
MA		 3121 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3122 optarg, false);
f9dadc98
RS		 3123 if (!opts) {
3124 exit(1);
3125 }
3126 break;
c7f74643 3127#endif
1d14ffa9 3128 case QEMU_OPTION_audio_help:
71830221 3129 audio_legacy_help();
1d14ffa9
FB		 3130 exit (0);
3131 break;
71830221
KZ		 3132 case QEMU_OPTION_audiodev:
3133 audio_parse_option(optarg);
3134 break;
1d14ffa9
FB		 3135 case QEMU_OPTION_soundhw:
3136 select_soundhw (optarg);
3137 break;
cd6f1169 3138 case QEMU_OPTION_h:
15f82208 3139 help(0);
cd6f1169 3140 break;
9bd7e6d9
PB		 3141 case QEMU_OPTION_version:
3142 version();
3143 exit(0);
3144 break;
3b9985e9 3145 case QEMU_OPTION_m:
70b94331
MA		 3146 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3147 optarg, true);
6e1d3c1c
IM		 3148 if (!opts) {
3149 exit(EXIT_FAILURE);
3150 }
cd6f1169 3151 break;
d1a0cf73
SB		 3152#ifdef CONFIG_TPM
3153 case QEMU_OPTION_tpmdev:
3154 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3155 exit(1);
3156 }
3157 break;
3158#endif
c902760f
MT		 3159 case QEMU_OPTION_mempath:
3160 mem_path = optarg;
3161 break;
c902760f
MT		 3162 case QEMU_OPTION_mem_prealloc:
3163 mem_prealloc = 1;
3164 break;
cd6f1169 3165 case QEMU_OPTION_d:
c235d738
MF		 3166 log_mask = optarg;
3167 break;
3168 case QEMU_OPTION_D:
3169 log_file = optarg;
cd6f1169 3170 break;
3514552e 3171 case QEMU_OPTION_DFILTER:
bd6fee9f 3172 qemu_set_dfilter_ranges(optarg, &error_fatal);
3514552e 3173 break;
9c09a251
RH		 3174 case QEMU_OPTION_seed:
3175 qemu_guest_random_seed_main(optarg, &error_fatal);
3176 break;
cd6f1169 3177 case QEMU_OPTION_s:
ef0c4a0d 3178 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
cd6f1169 3179 break;
59030a8c 3180 case QEMU_OPTION_gdb:
ef0c4a0d 3181 add_device_config(DEV_GDB, optarg);
cd6f1169 3182 break;
cd6f1169 3183 case QEMU_OPTION_L:
37146e7e
RJ		 3184 if (is_help_option(optarg)) {
3185 list_data_dirs = true;
2a1cce90
GH		 3186 } else {
3187 qemu_add_data_dir(optarg);
4524051c 3188 }
cd6f1169 3189 break;
1192dad8 3190 case QEMU_OPTION_bios:
79087c78
MA		 3191 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3192 &error_abort);
1192dad8 3193 break;
1b530a6d
AJ		 3194 case QEMU_OPTION_singlestep:
3195 singlestep = 1;
3196 break;
cd6f1169 3197 case QEMU_OPTION_S:
3c07f8e8 3198 autostart = 0;
cd6f1169 3199 break;
99efa84d
MA		 3200 case QEMU_OPTION_k:
3201 keyboard_layout = optarg;
3202 break;
3893c124 3203 case QEMU_OPTION_vga:
a369da5f 3204 vga_model = optarg;
7f1b17f2 3205 default_vga = 0;
1bfe856e 3206 break;
e9b137c2
FB		 3207 case QEMU_OPTION_g:
3208 {
3209 const char *p;
3210 int w, h, depth;
3211 p = optarg;
3212 w = strtol(p, (char **)&p, 10);
3213 if (w <= 0) {
3214 graphic_error:
f61eddcb 3215 error_report("invalid resolution or depth");
e9b137c2
FB		 3216 exit(1);
3217 }
3218 if (*p != 'x')
3219 goto graphic_error;
3220 p++;
3221 h = strtol(p, (char **)&p, 10);
3222 if (h <= 0)
3223 goto graphic_error;
3224 if (*p == 'x') {
3225 p++;
3226 depth = strtol(p, (char **)&p, 10);
8ac919a0
LV		 3227 if (depth != 1 && depth != 2 && depth != 4 &&
3228 depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 3229 depth != 24 && depth != 32)
3230 goto graphic_error;
3231 } else if (*p == '\0') {
3232 depth = graphic_depth;
3233 } else {
3234 goto graphic_error;
3235 }
3b46e624 3236
e9b137c2
FB		 3237 graphic_width = w;
3238 graphic_height = h;
3239 graphic_depth = depth;
3240 }
3241 break;
20d8a3ed
TS		 3242 case QEMU_OPTION_echr:
3243 {
3244 char *r;
3245 term_escape_char = strtol(optarg, &r, 0);
3246 if (r == optarg)
3247 printf("Bad argument to echr\n");
3248 break;
3249 }
82c643ff 3250 case QEMU_OPTION_monitor:
6ca5582d 3251 default_monitor = 0;
70e098af 3252 if (strncmp(optarg, "none", 4)) {
4821cd4c 3253 monitor_parse(optarg, "readline", false);
70e098af 3254 }
6ca5582d
GH		 3255 break;
3256 case QEMU_OPTION_qmp:
4821cd4c
HR		 3257 monitor_parse(optarg, "control", false);
3258 default_monitor = 0;
3259 break;
3260 case QEMU_OPTION_qmp_pretty:
3261 monitor_parse(optarg, "control", true);
2d114dc1 3262 default_monitor = 0;
82c643ff 3263 break;
22a0e04b 3264 case QEMU_OPTION_mon:
70b94331
MA		 3265 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3266 true);
22a0e04b 3267 if (!opts) {
22a0e04b
GH		 3268 exit(1);
3269 }
2d114dc1 3270 default_monitor = 0;
22a0e04b 3271 break;
191bc01b 3272 case QEMU_OPTION_chardev:
70b94331
MA		 3273 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3274 optarg, true);
191bc01b 3275 if (!opts) {
191bc01b
GH		 3276 exit(1);
3277 }
191bc01b 3278 break;
74db920c 3279 case QEMU_OPTION_fsdev:
03b0ba70
GH		 3280 olist = qemu_find_opts("fsdev");
3281 if (!olist) {
5dfdae81 3282 error_report("fsdev support is disabled");
03b0ba70
GH		 3283 exit(1);
3284 }
70b94331 3285 opts = qemu_opts_parse_noisily(olist, optarg, true);
74db920c 3286 if (!opts) {
74db920c
GS		 3287 exit(1);
3288 }
3289 break;
3d54abc7 3290 case QEMU_OPTION_virtfs: {
e14ea479
SH		 3291 QemuOpts *fsdev;
3292 QemuOpts *device;
1a6ed33c
AM		 3293 const char *writeout, *sock_fd, *socket, *path, *security_model,
3294 *multidevs;
3d54abc7 3295
03b0ba70
GH		 3296 olist = qemu_find_opts("virtfs");
3297 if (!olist) {
5dfdae81 3298 error_report("virtfs support is disabled");
03b0ba70
GH		 3299 exit(1);
3300 }
70b94331 3301 opts = qemu_opts_parse_noisily(olist, optarg, true);
3d54abc7 3302 if (!opts) {
3d54abc7
GS		 3303 exit(1);
3304 }
3305
fbcbf101 3306 if (qemu_opt_get(opts, "fsdriver") == NULL ||
99519f0a 3307 qemu_opt_get(opts, "mount_tag") == NULL) {
8afb9000 3308 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
9ce56db6
VJ		 3309 exit(1);
3310 }
e14ea479 3311 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3baa0a6a 3312 qemu_opts_id(opts) ?:
8be7e7e4
LC		 3313 qemu_opt_get(opts, "mount_tag"),
3314 1, NULL);
e14ea479 3315 if (!fsdev) {
3baa0a6a 3316 error_report("duplicate or invalid fsdev id: %s",
f61eddcb 3317 qemu_opt_get(opts, "mount_tag"));
3d54abc7
GS		 3318 exit(1);
3319 }
d3ab98e6
AK		 3320
3321 writeout = qemu_opt_get(opts, "writeout");
3322 if (writeout) {
3323#ifdef CONFIG_SYNC_FILE_RANGE
f43e47db 3324 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
d3ab98e6 3325#else
f61eddcb
EH		 3326 error_report("writeout=immediate not supported "
3327 "on this platform");
d3ab98e6
AK		 3328 exit(1);
3329#endif
3330 }
f43e47db
MA		 3331 qemu_opt_set(fsdev, "fsdriver",
3332 qemu_opt_get(opts, "fsdriver"), &error_abort);
32b69436
GK		 3333 path = qemu_opt_get(opts, "path");
3334 if (path) {
3335 qemu_opt_set(fsdev, "path", path, &error_abort);
3336 }
3337 security_model = qemu_opt_get(opts, "security_model");
3338 if (security_model) {
3339 qemu_opt_set(fsdev, "security_model", security_model,
3340 &error_abort);
3341 }
84a87cc4
MK		 3342 socket = qemu_opt_get(opts, "socket");
3343 if (socket) {
f43e47db 3344 qemu_opt_set(fsdev, "socket", socket, &error_abort);
84a87cc4 3345 }
4c793dda
MK		 3346 sock_fd = qemu_opt_get(opts, "sock_fd");
3347 if (sock_fd) {
f43e47db 3348 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
4c793dda 3349 }
e14ea479 3350
2c74c2cb 3351 qemu_opt_set_bool(fsdev, "readonly",
cccb7967
MA		 3352 qemu_opt_get_bool(opts, "readonly", 0),
3353 &error_abort);
1a6ed33c
AM		 3354 multidevs = qemu_opt_get(opts, "multidevs");
3355 if (multidevs) {
3356 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3357 }
87ea75d5
PC		 3358 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3359 &error_abort);
f43e47db 3360 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
e14ea479 3361 qemu_opt_set(device, "fsdev",
3baa0a6a 3362 qemu_opts_id(fsdev), &error_abort);
e14ea479 3363 qemu_opt_set(device, "mount_tag",
f43e47db 3364 qemu_opt_get(opts, "mount_tag"), &error_abort);
3d54abc7
GS		 3365 break;
3366 }
82c643ff 3367 case QEMU_OPTION_serial:
998bbd74
GH		 3368 add_device_config(DEV_SERIAL, optarg);
3369 default_serial = 0;
18141ed6
JK		 3370 if (strncmp(optarg, "mon:", 4) == 0) {
3371 default_monitor = 0;
3372 }
82c643ff 3373 break;
9dd986cc 3374 case QEMU_OPTION_watchdog:
09aaa160 3375 if (watchdog) {
f61eddcb 3376 error_report("only one watchdog option may be given");
09aaa160
MA		 3377 return 1;
3378 }
3379 watchdog = optarg;
9dd986cc
RJ		 3380 break;
3381 case QEMU_OPTION_watchdog_action:
3382 if (select_watchdog_action(optarg) == -1) {
3e515373 3383 error_report("unknown -watchdog-action parameter");
9dd986cc
RJ		 3384 exit(1);
3385 }
3386 break;
6508fe59 3387 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 3388 add_device_config(DEV_PARALLEL, optarg);
3389 default_parallel = 0;
18141ed6
JK		 3390 if (strncmp(optarg, "mon:", 4) == 0) {
3391 default_monitor = 0;
3392 }
6508fe59 3393 break;
c9f398e5
PA		 3394 case QEMU_OPTION_debugcon:
3395 add_device_config(DEV_DEBUGCON, optarg);
3396 break;
99efa84d
MA		 3397 case QEMU_OPTION_loadvm:
3398 loadvm = optarg;
3399 break;
d63d307f 3400 case QEMU_OPTION_full_screen:
0c8d7065
GH		 3401 dpy.has_full_screen = true;
3402 dpy.full_screen = true;
d63d307f 3403 break;
3780e197
TS		 3404 case QEMU_OPTION_alt_grab:
3405 alt_grab = 1;
3406 break;
0ca9f8a4
DK		 3407 case QEMU_OPTION_ctrl_grab:
3408 ctrl_grab = 1;
3409 break;
667accab 3410 case QEMU_OPTION_no_quit:
0c8d7065
GH		 3411 dpy.has_window_close = true;
3412 dpy.window_close = false;
667accab 3413 break;
7d957bd8 3414 case QEMU_OPTION_sdl:
24f6ff86 3415#ifdef CONFIG_SDL
fe91f36a 3416 dpy.type = DISPLAY_TYPE_SDL;
7d957bd8 3417 break;
58fc096c 3418#else
f61eddcb 3419 error_report("SDL support is disabled");
58fc096c 3420 exit(1);
667accab 3421#endif
f7cce898 3422 case QEMU_OPTION_pidfile:
93815bc2 3423 pid_file = optarg;
f7cce898 3424 break;
a09db21f
FB		 3425 case QEMU_OPTION_win2k_hack:
3426 win2k_install_hack = 1;
3427 break;
8a92ea2f 3428 case QEMU_OPTION_acpitable:
70b94331
MA		 3429 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3430 optarg, true);
f46e720a
LE		 3431 if (!opts) {
3432 exit(1);
3433 }
9f57061c 3434 acpi_table_add(opts, &error_fatal);
8a92ea2f 3435 break;
b6f6e3d3 3436 case QEMU_OPTION_smbios:
70b94331
MA		 3437 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3438 optarg, false);
f46e720a
LE		 3439 if (!opts) {
3440 exit(1);
3441 }
1007a37e 3442 smbios_entry_add(opts, &error_fatal);
b6f6e3d3 3443 break;
81b2b810 3444 case QEMU_OPTION_fwcfg:
70b94331
MA		 3445 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3446 optarg, true);
81b2b810
GS		 3447 if (opts == NULL) {
3448 exit(1);
3449 }
3450 break;
047f7038
IM		 3451 case QEMU_OPTION_preconfig:
3452 preconfig_exit_requested = false;
3453 break;
7ba1e619 3454 case QEMU_OPTION_enable_kvm:
303d4e86 3455 olist = qemu_find_opts("machine");
70b94331 3456 qemu_opts_parse_noisily(olist, "accel=kvm", false);
303d4e86 3457 break;
364c3e6b 3458 case QEMU_OPTION_M:
303d4e86
AP		 3459 case QEMU_OPTION_machine:
3460 olist = qemu_find_opts("machine");
70b94331 3461 opts = qemu_opts_parse_noisily(olist, optarg, true);
303d4e86 3462 if (!opts) {
303d4e86
AP		 3463 exit(1);
3464 }
7ba1e619 3465 break;
a0dac021
JK		 3466 case QEMU_OPTION_no_kvm:
3467 olist = qemu_find_opts("machine");
70b94331 3468 qemu_opts_parse_noisily(olist, "accel=tcg", false);
a0dac021 3469 break;
a20fa79f 3470 case QEMU_OPTION_accel:
8d4e9146
FK		 3471 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3472 optarg, true);
3473 optarg = qemu_opt_get(accel_opts, "accel");
bde4d920 3474 if (!optarg || is_help_option(optarg)) {
cbe6d636
WSM		 3475 printf("Accelerators supported in QEMU binary:\n");
3476 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3477 false);
3478 for (el = accel_list; el; el = el->next) {
3479 gchar *typename = g_strdup(object_class_get_name(
3480 OBJECT_CLASS(el->data)));
3481 /* omit qtest which is used for tests only */
3482 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3483 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3484 gchar **optname = g_strsplit(typename,
3485 ACCEL_CLASS_SUFFIX, 0);
3486 printf("%s\n", optname[0]);
3487 g_free(optname);
3488 }
3489 g_free(typename);
3490 }
3491 g_slist_free(accel_list);
a20fa79f 3492 exit(0);
8d4e9146 3493 }
3d5e90a5
TH		 3494 if (optarg && strchr(optarg, ':')) {
3495 error_report("Don't use ':' with -accel, "
3496 "use -M accel=... for now instead");
3497 exit(1);
3498 }
8d4e9146 3499 break;
bb36d470 3500 case QEMU_OPTION_usb:
fa5358c6 3501 olist = qemu_find_opts("machine");
70b94331 3502 qemu_opts_parse_noisily(olist, "usb=on", false);
bb36d470 3503 break;
a594cfbf 3504 case QEMU_OPTION_usbdevice:
a358a3af
TH		 3505 error_report("'-usbdevice' is deprecated, please use "
3506 "'-device usb-...' instead");
fa5358c6 3507 olist = qemu_find_opts("machine");
70b94331 3508 qemu_opts_parse_noisily(olist, "usb=on", false);
bd3c948d
GH		 3509 add_device_config(DEV_USB, optarg);
3510 break;
3511 case QEMU_OPTION_device:
70b94331
MA		 3512 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3513 optarg, true)) {
f31d07d1
GH		 3514 exit(1);
3515 }
a594cfbf 3516 break;
6a00d601 3517 case QEMU_OPTION_smp:
70b94331
MA		 3518 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3519 optarg, true)) {
6be68d7e
JS		 3520 exit(1);
3521 }
6a00d601 3522 break;
99efa84d 3523 case QEMU_OPTION_vnc:
7b1ee0f2 3524 vnc_parse(optarg, &error_fatal);
821601ea 3525 break;
6515b203
FB		 3526 case QEMU_OPTION_no_acpi:
3527 acpi_enabled = 0;
3528 break;
16b29ae1
AL		 3529 case QEMU_OPTION_no_hpet:
3530 no_hpet = 1;
3531 break;
d1beab82
FB		 3532 case QEMU_OPTION_no_reboot:
3533 no_reboot = 1;
3534 break;
b2f76161
AJ		 3535 case QEMU_OPTION_no_shutdown:
3536 no_shutdown = 1;
3537 break;
9467cd46
AZ		 3538 case QEMU_OPTION_show_cursor:
3539 cursor_hide = 0;
3540 break;
8fcb1b90 3541 case QEMU_OPTION_uuid:
9c5ce8db 3542 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
4cd70f34 3543 error_report("failed to parse UUID string: wrong format");
8fcb1b90
BS		 3544 exit(1);
3545 }
fc3b3295 3546 qemu_uuid_set = true;
8fcb1b90 3547 break;
99efa84d
MA		 3548 case QEMU_OPTION_option_rom:
3549 if (nb_option_roms >= MAX_OPTION_ROMS) {
3e515373 3550 error_report("too many option ROMs");
99efa84d
MA		 3551 exit(1);
3552 }
70b94331
MA		 3553 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3554 optarg, true);
49295ebc
MA		 3555 if (!opts) {
3556 exit(1);
3557 }
2e55e842
GN		 3558 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3559 option_rom[nb_option_roms].bootindex =
3560 qemu_opt_get_number(opts, "bootindex", -1);
3561 if (!option_rom[nb_option_roms].name) {
f61eddcb 3562 error_report("Option ROM file is not specified");
2e55e842
GN		 3563 exit(1);
3564 }
99efa84d
MA		 3565 nb_option_roms++;
3566 break;
8e71621f 3567 case QEMU_OPTION_semihosting:
f1672e6f 3568 qemu_semihosting_enable();
a38bb079
LI		 3569 break;
3570 case QEMU_OPTION_semihosting_config:
f1672e6f 3571 if (qemu_semihosting_config_options(optarg) != 0) {
a38bb079
LI		 3572 exit(1);
3573 }
8e71621f 3574 break;
c35734b2 3575 case QEMU_OPTION_name:
70b94331
MA		 3576 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3577 optarg, true);
5d12f961
DDAG		 3578 if (!opts) {
3579 exit(1);
3580 }
c35734b2 3581 break;
66508601
BS		 3582 case QEMU_OPTION_prom_env:
3583 if (nb_prom_envs >= MAX_PROM_ENVS) {
3e515373 3584 error_report("too many prom variables");
66508601
BS		 3585 exit(1);
3586 }
3587 prom_envs[nb_prom_envs] = optarg;
3588 nb_prom_envs++;
3589 break;
2b8f2d41
AZ		 3590 case QEMU_OPTION_old_param:
3591 old_param = 1;
05ebd537 3592 break;
1ed2fc1f 3593 case QEMU_OPTION_rtc:
70b94331
MA		 3594 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3595 false);
1ed2fc1f 3596 if (!opts) {
1ed2fc1f 3597 exit(1);
7e0af5d0
FB		 3598 }
3599 break;
26a5f13b 3600 case QEMU_OPTION_tb_size:
f940488f
EC		 3601#ifndef CONFIG_TCG
3602 error_report("TCG is disabled");
3603 exit(1);
3604#endif
fe174132
PB		 3605 warn_report("The -tb-size option is deprecated, use -accel tcg,tb-size instead");
3606 object_register_sugar_prop(ACCEL_CLASS_NAME("tcg"), "tb-size", optarg);
26a5f13b 3607 break;
2e70f6ef 3608 case QEMU_OPTION_icount:
70b94331
MA		 3609 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3610 optarg, true);
1ad9580b
ST		 3611 if (!icount_opts) {
3612 exit(1);
3613 }
2e70f6ef 3614 break;
5bb7910a 3615 case QEMU_OPTION_incoming:
7c76235a
DDAG		 3616 if (!incoming) {
3617 runstate_set(RUN_STATE_INMIGRATE);
3618 }
5bb7910a
AL		 3619 incoming = optarg;
3620 break;
d15c05fc 3621 case QEMU_OPTION_only_migratable:
811f8652 3622 only_migratable = 1;
d15c05fc 3623 break;
d8c208dd 3624 case QEMU_OPTION_nodefaults:
d44229c5 3625 has_defaults = 0;
d8c208dd 3626 break;
e37630ca 3627 case QEMU_OPTION_xen_domid:
ad96090a 3628 if (!(xen_available())) {
da002526 3629 error_report("Option not supported for this target");
ad96090a
BS		 3630 exit(1);
3631 }
e37630ca
AL		 3632 xen_domid = atoi(optarg);
3633 break;
e37630ca 3634 case QEMU_OPTION_xen_attach:
ad96090a 3635 if (!(xen_available())) {
da002526 3636 error_report("Option not supported for this target");
ad96090a
BS		 3637 exit(1);
3638 }
e37630ca
AL		 3639 xen_mode = XEN_ATTACH;
3640 break;
1c599472
PD		 3641 case QEMU_OPTION_xen_domid_restrict:
3642 if (!(xen_available())) {
3643 error_report("Option not supported for this target");
3644 exit(1);
3645 }
3646 xen_domid_restrict = true;
3647 break;
ab6540d5 3648 case QEMU_OPTION_trace:
e9e0bb2a
DL		 3649 g_free(trace_file);
3650 trace_file = trace_opt_parse(optarg);
ab6540d5 3651 break;
42229a75
LV		 3652 case QEMU_OPTION_plugin:
3653 qemu_plugin_opt_parse(optarg, &plugin_list);
3654 break;
715a664a
GH		 3655 case QEMU_OPTION_readconfig:
3656 {
dcfb0939
KW		 3657 int ret = qemu_read_config_file(optarg);
3658 if (ret < 0) {
f61eddcb
EH		 3659 error_report("read config %s: %s", optarg,
3660 strerror(-ret));
715a664a
GH		 3661 exit(1);
3662 }
715a664a
GH		 3663 break;
3664 }
29b0040b
GH		 3665 case QEMU_OPTION_spice:
3666 olist = qemu_find_opts("spice");
3667 if (!olist) {
5dfdae81 3668 error_report("spice support is disabled");
29b0040b
GH		 3669 exit(1);
3670 }
70b94331 3671 opts = qemu_opts_parse_noisily(olist, optarg, false);
29b0040b 3672 if (!opts) {
29b0040b
GH		 3673 exit(1);
3674 }
f963e4d0 3675 display_remote++;
29b0040b 3676 break;
715a664a
GH		 3677 case QEMU_OPTION_writeconfig:
3678 {
3679 FILE *fp;
3680 if (strcmp(optarg, "-") == 0) {
3681 fp = stdout;
3682 } else {
3683 fp = fopen(optarg, "w");
3684 if (fp == NULL) {
f61eddcb
EH		 3685 error_report("open %s: %s", optarg,
3686 strerror(errno));
715a664a
GH		 3687 exit(1);
3688 }
3689 }
3690 qemu_config_write(fp);
7fb8b5d9
CG		 3691 if (fp != stdout) {
3692 fclose(fp);
3693 }
715a664a
GH		 3694 break;
3695 }
c7f0f3b1
AL		 3696 case QEMU_OPTION_qtest:
3697 qtest_chrdev = optarg;
3698 break;
3699 case QEMU_OPTION_qtest_log:
3700 qtest_log = optarg;
3701 break;
7d76ad4f 3702 case QEMU_OPTION_sandbox:
2bb814a4
MAL		 3703 olist = qemu_find_opts("sandbox");
3704 if (!olist) {
3705#ifndef CONFIG_SECCOMP
3706 error_report("-sandbox support is not enabled "
3707 "in this QEMU binary");
3708#endif
3709 exit(1);
3710 }
3711
3712 opts = qemu_opts_parse_noisily(olist, optarg, true);
7d76ad4f 3713 if (!opts) {
49295ebc 3714 exit(1);
7d76ad4f
EO		 3715 }
3716 break;
587ed6be
CB		 3717 case QEMU_OPTION_add_fd:
3718#ifndef _WIN32
70b94331
MA		 3719 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3720 optarg, false);
587ed6be 3721 if (!opts) {
49295ebc 3722 exit(1);
587ed6be
CB		 3723 }
3724#else
3725 error_report("File descriptor passing is disabled on this "
3726 "platform");
3727 exit(1);
3728#endif
3729 break;
68d98d3e 3730 case QEMU_OPTION_object:
70b94331
MA		 3731 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3732 optarg, true);
49295ebc
MA		 3733 if (!opts) {
3734 exit(1);
3735 }
68d98d3e 3736 break;
888a6bc6 3737 case QEMU_OPTION_realtime:
583f34c4
TH		 3738 warn_report("'-realtime mlock=...' is deprecated, please use "
3739 "'-overcommit mem-lock=...' instead");
70b94331
MA		 3740 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3741 optarg, false);
888a6bc6
SM		 3742 if (!opts) {
3743 exit(1);
3744 }
6f131f13
MT		 3745 /* Don't override the -overcommit option if set */
3746 enable_mlock = enable_mlock ||
3747 qemu_opt_get_bool(opts, "mlock", true);
3748 break;
3749 case QEMU_OPTION_overcommit:
3750 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3751 optarg, false);
3752 if (!opts) {
3753 exit(1);
3754 }
3755 /* Don't override the -realtime option if set */
3756 enable_mlock = enable_mlock ||
3757 qemu_opt_get_bool(opts, "mem-lock", false);
3758 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
888a6bc6 3759 break;
5e2ac519 3760 case QEMU_OPTION_msg:
70b94331
MA		 3761 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3762 false);
5e2ac519
SA		 3763 if (!opts) {
3764 exit(1);
3765 }
3766 configure_msg(opts);
3767 break;
abfd9ce3 3768 case QEMU_OPTION_dump_vmstate:
522abf69 3769 if (vmstate_dump_file) {
f61eddcb
EH		 3770 error_report("only one '-dump-vmstate' "
3771 "option may be given");
522abf69
GA		 3772 exit(1);
3773 }
abfd9ce3
AS		 3774 vmstate_dump_file = fopen(optarg, "w");
3775 if (vmstate_dump_file == NULL) {
f61eddcb 3776 error_report("open %s: %s", optarg, strerror(errno));
abfd9ce3
AS		 3777 exit(1);
3778 }
12df189d
EC		 3779 break;
3780 case QEMU_OPTION_enable_sync_profile:
3781 qsp_enable();
abfd9ce3 3782 break;
aec0d0e1
MP		 3783 case QEMU_OPTION_nouserconfig:
3784 /* Nothing to be parsed here. Especially, do not error out below. */
3785 break;
59a5264b 3786 default:
1217d6ca
TH		 3787 if (os_parse_cmd_args(popt->index, optarg)) {
3788 error_report("Option not supported in this build");
3789 exit(1);
3790 }
cd6f1169 3791 }
0824d6fc
FB		 3792 }
3793 }
43fa1e0b
EH		 3794 /*
3795 * Clear error location left behind by the loop.
3796 * Best done right after the loop. Do not insert code here!
3797 */
3798 loc_set_none();
364c3e6b 3799
fc4a4734
MA		 3800 user_register_global_props();
3801
4c27b859
PD		 3802 replay_configure(icount_opts);
3803
047f7038
IM		 3804 if (incoming && !preconfig_exit_requested) {
3805 error_report("'preconfig' and 'incoming' options are "
3806 "mutually exclusive");
3807 exit(EXIT_FAILURE);
3808 }
3809
eb6a5209
AP		 3810 configure_rtc(qemu_find_opts_singleton("rtc"));
3811
7580f231 3812 machine_class = select_machine();
1a3ec8c1 3813 object_set_machine_compat_props(machine_class->compat_props);
076b35b5
ND		 3814
3815 set_memory_options(&ram_slots, &maxram_size, machine_class);
3b9985e9 3816
2d9c2725 3817 os_daemonize();
73c6e401 3818 rcu_disable_atfork();
2d9c2725 3819
9e6bdef2
MAL		 3820 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3821 error_reportf_err(err, "cannot create PID file: ");
004c8e00
MT		 3822 exit(1);
3823 }
3824
90a84d13
MAL		 3825 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3826 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3827
2f78e491 3828 if (qemu_init_main_loop(&main_loop_err)) {
565f65d2 3829 error_report_err(main_loop_err);
1c53786f
PB		 3830 exit(1);
3831 }
3832
9d0fdecb 3833#ifdef CONFIG_SECCOMP
5780760f 3834 olist = qemu_find_opts_err("sandbox", NULL);
65484597
MA		 3835 if (olist) {
3836 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
7d76ad4f 3837 }
9d0fdecb 3838#endif
7d76ad4f 3839
5343bda4
MA		 3840 qemu_opts_foreach(qemu_find_opts("name"),
3841 parse_name, NULL, &error_fatal);
5b9d313e 3842
587ed6be 3843#ifndef _WIN32
6353218b
MA		 3844 qemu_opts_foreach(qemu_find_opts("add-fd"),
3845 parse_add_fd, NULL, &error_fatal);
587ed6be 3846
6353218b
MA		 3847 qemu_opts_foreach(qemu_find_opts("add-fd"),
3848 cleanup_add_fd, NULL, &error_fatal);
587ed6be
CB		 3849#endif
3850
3c75e12e 3851 current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
52eb3dfd
MA		 3852 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3853 exit(0);
3854 }
0056ae24
MA		 3855 object_property_add_child(object_get_root(), "machine",
3856 OBJECT(current_machine), &error_abort);
e2fb3fbb
MA		 3857 object_property_add_child(container_get(OBJECT(current_machine),
3858 "/unattached"),
3859 "sysbus", OBJECT(sysbus_get_default()),
3860 NULL);
20bccb82
PM		 3861
3862 if (machine_class->minimum_page_bits) {
3863 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3864 /* This would be a board error: specifying a minimum smaller than
3865 * a target's compile-time fixed setting.
3866 */
3867 g_assert_not_reached();
3868 }
3869 }
3870
b5c2c3d0 3871 cpu_exec_init_all();
0056ae24 3872
958db90c 3873 if (machine_class->hw_version) {
35c2c8dc 3874 qemu_set_hw_version(machine_class->hw_version);
93bfef4c
CV		 3875 }
3876
c1c8cfe5
EH		 3877 if (cpu_option && is_help_option(cpu_option)) {
3878 list_cpus(cpu_option);
ecf40bea
EH		 3879 exit(0);
3880 }
3881
62cb4145
DL		 3882 if (!trace_init_backends()) {
3883 exit(1);
3884 }
41fc57e4
PB		 3885 trace_init_file(trace_file);
3886
67633bb4 3887 /* Open the logfile at this point and set the log mask if necessary.
c235d738 3888 */
67633bb4 3889 if (log_file) {
daa76aa4 3890 qemu_set_log_filename(log_file, &error_fatal);
67633bb4
PK		 3891 }
3892
c235d738 3893 if (log_mask) {
b946bffa 3894 int mask;
b946bffa
PM		 3895 mask = qemu_str_to_log_mask(log_mask);
3896 if (!mask) {
3897 qemu_print_log_usage(stdout);
3898 exit(1);
3899 }
3900 qemu_set_log(mask);
ed7f5f1d
PB		 3901 } else {
3902 qemu_set_log(0);
c235d738 3903 }
330d0414 3904
3d5eecab
GH		 3905 /* add configured firmware directories */
3906 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3907 for (i = 0; dirs[i] != NULL; i++) {
3908 qemu_add_data_dir(dirs[i]);
3909 }
35471127 3910 g_strfreev(dirs);
3d5eecab
GH		 3911
3912 /* try to find datadir relative to the executable path */
35471127
MAL		 3913 dir = os_find_datadir();
3914 qemu_add_data_dir(dir);
3915 g_free(dir);
2a1cce90 3916
3d5eecab 3917 /* add the datadir specified when building */
2a1cce90 3918 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
5cea8590 3919
37146e7e
RJ		 3920 /* -L help lists the data directories and exits. */
3921 if (list_data_dirs) {
3922 for (i = 0; i < data_dir_idx; i++) {
3923 printf("%s\n", data_dir[i]);
3924 }
3925 exit(0);
3926 }
3927
72649619
EC		 3928 /* machine_class: default to UP */
3929 machine_class->max_cpus = machine_class->max_cpus ?: 1;
3930 machine_class->min_cpus = machine_class->min_cpus ?: 1;
3931 machine_class->default_cpus = machine_class->default_cpus ?: 1;
3932
3933 /* default to machine_class->default_cpus */
a5e0b331
LX		 3934 current_machine->smp.cpus = machine_class->default_cpus;
3935 current_machine->smp.max_cpus = machine_class->default_cpus;
3936 current_machine->smp.cores = 1;
3937 current_machine->smp.threads = 1;
72649619 3938
6f479566
LX		 3939 machine_class->smp_parse(current_machine,
3940 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
6be68d7e 3941
72649619 3942 /* sanity-check smp_cpus and max_cpus against machine_class */
a5e0b331 3943 if (current_machine->smp.cpus < machine_class->min_cpus) {
72649619 3944 error_report("Invalid SMP CPUs %d. The min CPUs "
a5e0b331
LX		 3945 "supported by machine '%s' is %d",
3946 current_machine->smp.cpus,
72649619
EC		 3947 machine_class->name, machine_class->min_cpus);
3948 exit(1);
3949 }
a5e0b331 3950 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
c0dd1099 3951 error_report("Invalid SMP CPUs %d. The max CPUs "
a5e0b331
LX		 3952 "supported by machine '%s' is %d",
3953 current_machine->smp.max_cpus,
f61eddcb 3954 machine_class->name, machine_class->max_cpus);
b2097003
AL		 3955 exit(1);
3956 }
3957
67b724e6
AP		 3958 /*
3959 * Get the default machine options from the machine if it is not already
3960 * specified either by the configuration file or by the command line.
3961 */
958db90c 3962 if (machine_class->default_machine_opts) {
25de5935 3963 qemu_opts_set_defaults(qemu_find_opts("machine"),
958db90c 3964 machine_class->default_machine_opts, 0);
67b724e6
AP		 3965 }
3966
42229a75
LV		 3967 /* process plugin before CPUs are created, but once -smp has been parsed */
3968 if (qemu_plugin_load_list(&plugin_list)) {
3969 exit(1);
3970 }
3971
28d0de7a
MA		 3972 qemu_opts_foreach(qemu_find_opts("device"),
3973 default_driver_check, NULL, NULL);
3974 qemu_opts_foreach(qemu_find_opts("global"),
3975 default_driver_check, NULL, NULL);
998bbd74 3976
d44229c5
MW		 3977 if (!vga_model && !default_vga) {
3978 vga_interface_type = VGA_DEVICE;
3979 }
958db90c 3980 if (!has_defaults || machine_class->no_serial) {
986c5f78
GH		 3981 default_serial = 0;
3982 }
958db90c 3983 if (!has_defaults || machine_class->no_parallel) {
986c5f78
GH		 3984 default_parallel = 0;
3985 }
958db90c 3986 if (!has_defaults || machine_class->no_floppy) {
ac33f8fa
GH		 3987 default_floppy = 0;
3988 }
958db90c 3989 if (!has_defaults || machine_class->no_cdrom) {
ac33f8fa
GH		 3990 default_cdrom = 0;
3991 }
958db90c 3992 if (!has_defaults || machine_class->no_sdcard) {
ac33f8fa
GH		 3993 default_sdcard = 0;
3994 }
d44229c5
MW		 3995 if (!has_defaults) {
3996 default_monitor = 0;
3997 default_net = 0;
3998 default_vga = 0;
3999 }
986c5f78 4000
ab51b1d5 4001 if (is_daemonized()) {
2ee3518b
IM		 4002 if (!preconfig_exit_requested) {
4003 error_report("'preconfig' and 'daemonize' options are "
4004 "mutually exclusive");
4005 exit(EXIT_FAILURE);
4006 }
4007
ab51b1d5
MT		 4008 /* According to documentation and historically, -nographic redirects
4009 * serial port, parallel port and monitor to stdio, which does not work
4010 * with -daemonize. We can redirect these to null instead, but since
4011 * -nographic is legacy, let's just error out.
4012 * We disallow -nographic only if all other ports are not redirected
4013 * explicitly, to not break existing legacy setups which uses
4014 * -nographic _and_ redirects all ports explicitly - this is valid
4015 * usage, -nographic is just a no-op in this case.
4016 */
cfc58cf3 4017 if (nographic
9fd7e96a 4018 && (default_parallel || default_serial || default_monitor)) {
4cd70f34 4019 error_report("-nographic cannot be used with -daemonize");
ab51b1d5
MT		 4020 exit(1);
4021 }
4022#ifdef CONFIG_CURSES
e3af9f9a 4023 if (dpy.type == DISPLAY_TYPE_CURSES) {
4cd70f34 4024 error_report("curses display cannot be used with -daemonize");
ab51b1d5
MT		 4025 exit(1);
4026 }
4027#endif
4028 }
4029
cfc58cf3 4030 if (nographic) {
6a5e8b0e
GH		 4031 if (default_parallel)
4032 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 4033 if (default_serial && default_monitor) {
4034 add_device_config(DEV_SERIAL, "mon:stdio");
4035 } else {
4036 if (default_serial)
4037 add_device_config(DEV_SERIAL, "stdio");
4038 if (default_monitor)
4821cd4c 4039 monitor_parse("stdio", "readline", false);
e1c09175 4040 }
998bbd74
GH		 4041 } else {
4042 if (default_serial)
4043 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 4044 if (default_parallel)
4045 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4046 if (default_monitor)
4821cd4c 4047 monitor_parse("vc:80Cx24C", "readline", false);
bc0129d9
AL		 4048 }
4049
006decd4
GH		 4050#if defined(CONFIG_VNC)
4051 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4052 display_remote++;
4053 }
4054#endif
e3af9f9a 4055 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
898f9d41
GH		 4056 if (!qemu_display_find_default(&dpy)) {
4057 dpy.type = DISPLAY_TYPE_NONE;
4058#if defined(CONFIG_VNC)
4059 vnc_parse("localhost:0,to=99,id=default", &error_abort);
15546425 4060#endif
898f9d41 4061 }
15546425 4062 }
db71589f
GH		 4063 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4064 dpy.type = DISPLAY_TYPE_NONE;
15546425
AL		 4065 }
4066
09bd7ba9
TH		 4067 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4068 error_report("-alt-grab and -ctrl-grab are only valid "
f61eddcb 4069 "for SDL, ignoring option");
047d4e15 4070 }
78782712 4071 if (dpy.has_window_close &&
e3af9f9a 4072 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
f61eddcb
EH		 4073 error_report("-no-quit is only valid for GTK and SDL, "
4074 "ignoring option");
047d4e15
PW		 4075 }
4076
5ee1718f 4077 qemu_display_early_init(&dpy);
777357d7
MAL		 4078 qemu_console_early_init();
4079
62f27922 4080 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
0b71a5d5 4081#if defined(CONFIG_OPENGL)
8afb9000 4082 error_report("OpenGL is not supported by the display");
0b71a5d5 4083#else
5dfdae81 4084 error_report("OpenGL support is disabled");
0b71a5d5
GH		 4085#endif
4086 exit(1);
4087 }
15546425 4088
87f50caa 4089 page_size_init();
a5829fd9
T		 4090 socket_init();
4091
7e1e0c11
MA		 4092 qemu_opts_foreach(qemu_find_opts("object"),
4093 user_creatable_add_opts_foreach,
4094 object_create_initial, &error_fatal);
a4c7367f 4095
dd4af977
MA		 4096 qemu_opts_foreach(qemu_find_opts("chardev"),
4097 chardev_init_func, NULL, &error_fatal);
4e7f9032
AB		 4098 /* now chardevs have been created we may have semihosting to connect */
4099 qemu_semihosting_connect_chardevs();
2c189a4e 4100
758e8e38 4101#ifdef CONFIG_VIRTFS
b836723d
MA		 4102 qemu_opts_foreach(qemu_find_opts("fsdev"),
4103 fsdev_init_func, NULL, &error_fatal);
74db920c 4104#endif
1a688d3b 4105
28d0de7a
MA		 4106 if (qemu_opts_foreach(qemu_find_opts("device"),
4107 device_help_func, NULL, NULL)) {
3d1d9652
BR		 4108 exit(0);
4109 }
4110
cda4aa9a
MA		 4111 /*
4112 * Note: we need to create block backends before
4113 * machine_set_property(), so machine properties can refer to
2fa23277 4114 * them.
cda4aa9a
MA		 4115 */
4116 configure_blockdev(&bdo_queue, machine_class, snapshot);
4117
6b1b1440 4118 machine_opts = qemu_get_machine_opts();
702832b8
MA		 4119 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4120 &error_fatal);
ee685011
EA		 4121 current_machine->ram_size = ram_size;
4122 current_machine->maxram_size = maxram_size;
4123 current_machine->ram_slots = ram_slots;
6b1b1440 4124
0427b625
MA		 4125 /*
4126 * Note: uses machine properties such as kernel-irqchip, must run
4127 * after machine_set_property().
4128 */
28a09617 4129 configure_accelerators(argv[0]);
214910a7 4130
0427b625
MA		 4131 /*
4132 * Beware, QOM objects created before this point miss global and
4133 * compat properties.
4134 *
4135 * Global properties get set up by qdev_prop_register_global(),
4136 * called from user_register_global_props(), and certain option
4137 * desugaring. Also in CPU feature desugaring (buried in
c1c8cfe5 4138 * parse_cpu_option()), which happens below this point, but may
0427b625 4139 * only target the CPU type, which can only be created after
c1c8cfe5 4140 * parse_cpu_option() returned the type.
0427b625
MA		 4141 *
4142 * Machine compat properties: object_set_machine_compat_props().
4143 * Accelerator compat props: object_set_accelerator_compat_props(),
4144 * called from configure_accelerator().
4145 */
4146
08fe6824
TH		 4147 if (!qtest_enabled() && machine_class->deprecation_reason) {
4148 error_report("Machine type '%s' is deprecated: %s",
4149 machine_class->name, machine_class->deprecation_reason);
4150 }
4151
2fa23277 4152 /*
0427b625
MA		 4153 * Note: creates a QOM object, must run only after global and
4154 * compat properties have been set up.
2fa23277
MA		 4155 */
4156 migration_object_init();
4157
2c189a4e 4158 if (qtest_chrdev) {
2b8985f1 4159 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
2c189a4e
DB		 4160 }
4161
2ff3de68
MA		 4162 machine_opts = qemu_get_machine_opts();
4163 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4164 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4165 kernel_cmdline = qemu_opt_get(machine_opts, "append");
1442d3e6 4166 bios_name = qemu_opt_get(machine_opts, "firmware");
967c0da7 4167
8281abd5
MA		 4168 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4169 if (opts) {
f05f47bb
GA		 4170 boot_order = qemu_opt_get(opts, "order");
4171 if (boot_order) {
007b0657 4172 validate_bootdevices(boot_order, &error_fatal);
8281abd5
MA		 4173 }
4174
f05f47bb
GA		 4175 boot_once = qemu_opt_get(opts, "once");
4176 if (boot_once) {
007b0657 4177 validate_bootdevices(boot_once, &error_fatal);
8281abd5
MA		 4178 }
4179
4180 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
e5187b56 4181 boot_strict = qemu_opt_get_bool(opts, "strict", false);
8281abd5
MA		 4182 }
4183
f05f47bb
GA		 4184 if (!boot_order) {
4185 boot_order = machine_class->default_boot_order;
4186 }
4187
a0abe474
PM		 4188 if (!kernel_cmdline) {
4189 kernel_cmdline = "";
6b1b1440 4190 current_machine->kernel_cmdline = (char *)kernel_cmdline;
a0abe474
PM		 4191 }
4192
a20dd508 4193 linux_boot = (kernel_filename != NULL);
6c41b272 4194
f8d39c01 4195 if (!linux_boot && *kernel_cmdline != '\0') {
f61eddcb 4196 error_report("-append only allowed with -kernel option");
f8d39c01
TS		 4197 exit(1);
4198 }
4199
4200 if (!linux_boot && initrd_filename != NULL) {
f61eddcb 4201 error_report("-initrd only allowed with -kernel option");
f8d39c01
TS		 4202 exit(1);
4203 }
4204
a59d31a1
LA		 4205 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4206 /* fall back to the -kernel/-append */
4207 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4208 }
4209
ad1be899
AL		 4210 /* spice needs the timers to be initialized by this point */
4211 qemu_spice_init();
ad1be899 4212
4603ea01 4213 cpu_ticks_init();
83fd9629 4214
d30300f7
EH		 4215 if (default_net) {
4216 QemuOptsList *net = qemu_find_opts("net");
4217 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4218#ifdef CONFIG_SLIRP
4219 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4220#endif
4221 }
4222
34f708b0
TH		 4223 if (net_init_clients(&err) < 0) {
4224 error_report_err(err);
dc1c9fe8 4225 exit(1);
702c651c 4226 }
f1510b2c 4227
7e1e0c11
MA		 4228 qemu_opts_foreach(qemu_find_opts("object"),
4229 user_creatable_add_opts_foreach,
4230 object_create_delayed, &error_fatal);
9abce56d 4231
d10e05f1 4232 tpm_init();
d1a0cf73 4233
834e76ea
AP		 4234 if (!xen_enabled()) {
4235 /* On 32-bit hosts, QEMU is limited by virtual address space */
4236 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
f61eddcb 4237 error_report("at most 2047 MB RAM can be simulated");
834e76ea
AP		 4238 exit(1);
4239 }
4240 }
9ae02555 4241
c163b5ca 4242 blk_mig_init();
0d6ab3ab 4243 ram_mig_init();
b35ebdf0 4244 dirty_bitmap_mig_init();
c163b5ca 4245
2d5a3a8b
MA		 4246 qemu_opts_foreach(qemu_find_opts("mon"),
4247 mon_init_func, NULL, &error_fatal);
157b9319 4248
8de702cb
KP		 4249 /* connect semihosting console input if requested */
4250 qemu_semihosting_console_init();
4251
998bbd74
GH		 4252 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4253 exit(1);
6a5e8b0e
GH		 4254 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4255 exit(1);
c9f398e5
PA		 4256 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4257 exit(1);
2796dae0 4258
7f1b17f2 4259 /* If no default VGA is requested, the default is "none". */
3605ded5 4260 if (default_vga) {
dceb8852 4261 vga_model = get_default_vga_model(machine_class);
a369da5f 4262 }
d44229c5 4263 if (vga_model) {
dceb8852 4264 select_vgahw(machine_class, vga_model);
d44229c5 4265 }
a369da5f 4266
09aaa160
MA		 4267 if (watchdog) {
4268 i = select_watchdog(watchdog);
4269 if (i > 0)
4270 exit (i == 1 ? 1 : 0);
4271 }
4272
8bd7f71d
PD		 4273 /* This checkpoint is required by replay to separate prior clock
4274 reading from the other reads, because timer polling functions query
4275 clock values from the log. */
4276 replay_checkpoint(CHECKPOINT_INIT);
1de81d28
AL		 4277 qdev_machine_init();
4278
3ef96221 4279 current_machine->boot_order = boot_order;
3ef96221 4280
6063d4c0 4281 /* parse features once if machine provides default cpu_type */
2278b939 4282 current_machine->cpu_type = machine_class->default_cpu_type;
c1c8cfe5
EH		 4283 if (cpu_option) {
4284 current_machine->cpu_type = parse_cpu_option(cpu_option);
6063d4c0 4285 }
d342eb76 4286 parse_numa_opts(current_machine);
6063d4c0 4287
047f7038
IM		 4288 /* do monitor/qmp handling at preconfig state if requested */
4289 main_loop();
4290
71830221
KZ		 4291 audio_init_audiodevs();
4292
047f7038 4293 /* from here on runstate is RUN_STATE_PRELAUNCH */
482dfe9a 4294 machine_run_board_init(current_machine);
3023f332 4295
28d16f38
HZ		 4296 realtime_init();
4297
4c565674 4298 soundhw_init();
b3e6d591 4299
b0cb0a66
VP		 4300 if (hax_enabled()) {
4301 hax_sync_vcpus();
4302 }
4303
406b6367
MA		 4304 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4305 parse_fw_cfg, fw_cfg_find(), &error_fatal);
81b2b810 4306
3023f332 4307 /* init USB devices */
4bcbe0b6 4308 if (machine_usb(current_machine)) {
0752706d
MA		 4309 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4310 exit(1);
3023f332
AL		 4311 }
4312
bd3c948d 4313 /* init generic devices */
bab47d9a 4314 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
cd65f349
MA		 4315 qemu_opts_foreach(qemu_find_opts("device"),
4316 device_init_func, NULL, &error_fatal);
9c6703fe 4317
3741c250
DL		 4318 cpu_synchronize_all_post_init();
4319
bab47d9a 4320 rom_reset_order_override();
bd3c948d 4321
a66c9dc7
JS		 4322 /* Did we create any drives that we failed to create a device for? */
4323 drive_check_orphaned();
4324
d30300f7
EH		 4325 /* Don't warn about the default network setup that you get if
4326 * no command line -net or -netdev options are specified. There
4327 * are two cases that we would otherwise complain about:
4328 * (1) board doesn't support a NIC but the implicit "-net nic"
4329 * requested one
4330 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4331 * sets up a nic that isn't connected to anything.
4332 */
a3ab1dc0 4333 if (!default_net && (!qtest_enabled() || has_defaults)) {
d30300f7
EH		 4334 net_check_clients();
4335 }
4336
f05f47bb 4337 if (boot_once) {
07d04a02 4338 qemu_boot_set(boot_once, &error_fatal);
f05f47bb
GA		 4339 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4340 }
4341
6b62dc2d 4342 /* init local displays */
b0766612
GH		 4343 ds = init_displaystate();
4344 qemu_display_init(ds, &dpy);
6b62dc2d 4345
0ce235a7
GN		 4346 /* must be after terminal init, SDL library changes signal handlers */
4347 os_setup_signal_handling();
4348
6b62dc2d 4349 /* init remote displays */
a663fbd9 4350#ifdef CONFIG_VNC
28d0de7a 4351 qemu_opts_foreach(qemu_find_opts("vnc"),
612aea20 4352 vnc_init_func, NULL, &error_fatal);
a663fbd9 4353#endif
f8c75b24 4354
9fa03286
GH		 4355 if (using_spice) {
4356 qemu_spice_display_init();
a3e22260 4357 }
5b08fc10 4358
ef0c4a0d 4359 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
59030a8c 4360 exit(1);
45669e00 4361 }
45669e00 4362
3418bd25
GH		 4363 qdev_machine_creation_done();
4364
80376c3f
IY		 4365 /* TODO: once all bus devices are qdevified, this should be done
4366 * when bus is created by qdev.c */
4367 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4cab946a
GN		 4368 qemu_run_machine_init_done_notifiers();
4369
6b3f7f63 4370 if (rom_check_and_register_reset() != 0) {
f61eddcb 4371 error_report("rom check and register reset failed");
6b3f7f63
EA		 4372 exit(1);
4373 }
d916b464 4374
7615936e
PD		 4375 replay_start();
4376
8bd7f71d
PD		 4377 /* This checkpoint is required by replay to separate prior clock
4378 reading from the other reads, because timer polling functions query
4379 clock values from the log. */
4380 replay_checkpoint(CHECKPOINT_RESET);
aedbe192 4381 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
48212d87 4382 register_global_state();
bb3d7702 4383 if (loadvm) {
927d6638 4384 Error *local_err = NULL;
5e22479a 4385 if (load_snapshot(loadvm, &local_err) < 0) {
927d6638 4386 error_report_err(local_err);
05f2401e 4387 autostart = 0;
827beacb 4388 exit(1);
05f2401e
JQ		 4389 }
4390 }
bb3d7702
PD		 4391 if (replay_mode != REPLAY_MODE_NONE) {
4392 replay_vmstate_init();
4393 }
d63d307f 4394
d828c430 4395 qdev_prop_check_globals();
abfd9ce3
AS		 4396 if (vmstate_dump_file) {
4397 /* dump and exit */
4398 dump_vmstate_json_to_file(vmstate_dump_file);
4399 return 0;
4400 }
9f9260a3 4401
2bb8c10c 4402 if (incoming) {
43eaae28
PB		 4403 Error *local_err = NULL;
4404 qemu_start_incoming_migration(incoming, &local_err);
4405 if (local_err) {
c29b77f9 4406 error_reportf_err(local_err, "-incoming %s: ", incoming);
43eaae28 4407 exit(1);
8ca5e801 4408 }
6b99dadc 4409 } else if (autostart) {
c0f4ce77 4410 vm_start();
6b99dadc 4411 }
ffd843bc 4412
7a64c17f 4413 accel_setup_post(current_machine);
eb505be1 4414 os_setup_post();
71e3ceb8 4415
8a7ddc38 4416 main_loop();
4486e89c 4417
1bb982b8
KF		 4418 gdbserver_cleanup();
4419
892ae715
DDAG		 4420 /*
4421 * cleaning up the migration object cancels any existing migration
4422 * try to do this early so that it also stops using devices.
4423 */
4424 migration_shutdown();
4425
e6f0ac4d
HR		 4426 /*
4427 * We must cancel all block jobs while the block layer is drained,
4428 * or cancelling will be affected by throttling and thus may block
4429 * for an extended period of time.
4430 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4431 * it in the drained section.
4432 * We do not need to end this section, because we do not want any
4433 * requests happening from here on anyway.
4434 */
4435 bdrv_drain_all_begin();
4436
4486e89c
SH		 4437 /* No more vcpu or device emulation activity beyond this point */
4438 vm_shutdown();
ae25dccb 4439 replay_finish();
4486e89c 4440
b3b5299d 4441 job_cancel_sync_all();
452589b6 4442 bdrv_close_all();
00d09fdb 4443
3d3b8303 4444 res_free();
b46a8906 4445
aa5cb7f5 4446 /* vhost-user must be cleaned up before chardevs. */
c37cacab 4447 tpm_cleanup();
8caf911d 4448 net_cleanup();
a384c205 4449 audio_cleanup();
2ef45716 4450 monitor_cleanup();
aa5cb7f5 4451 qemu_chr_cleanup();
9d5139e5 4452 user_creatable_cleanup();
474628e8 4453 /* TODO: unref root container, check all devices are ok */
8caf911d 4454
0824d6fc
FB		 4455 return 0;
4456}
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