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Update version for 2.11.2 release
[thirdparty/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 */
d38ea87a 24#include "qemu/osdep.h"
67a1de0d 25#include "qemu-version.h"
f348b6d1
VB		 26#include "qemu/cutils.h"
27#include "qemu/help_option.h"
cea25275 28#include "qemu/uuid.h"
d40cdb10 29
452dfbef 30#ifdef CONFIG_SECCOMP
9c17d615 31#include "sysemu/seccomp.h"
73a1e647 32#include "sys/prctl.h"
452dfbef
EO		 33#endif
34
73332e5c 35#ifdef CONFIG_SDL
59a36a2f 36#if defined(__APPLE__) || defined(main)
6693665a 37#include <SDL.h>
880fec5d 38int qemu_main(int argc, char **argv, char **envp);
39int main(int argc, char **argv)
40{
59a36a2f 41 return qemu_main(argc, argv, NULL);
880fec5d 42}
43#undef main
44#define main qemu_main
96bcd4f8 45#endif
73332e5c 46#endif /* CONFIG_SDL */
0824d6fc 47
5b0753e0
FB		 48#ifdef CONFIG_COCOA
49#undef main
50#define main qemu_main
51#endif /* CONFIG_COCOA */
52
69e5bb68 53
d49b6836 54#include "qemu/error-report.h"
c8897e8e 55#include "qemu/sockets.h"
511d2b14
BS		 56#include "hw/hw.h"
57#include "hw/boards.h"
a1a9cb0c 58#include "sysemu/accel.h"
511d2b14 59#include "hw/usb.h"
0d09e41a
PB		 60#include "hw/i386/pc.h"
61#include "hw/isa/isa.h"
fb8b660e 62#include "hw/scsi/scsi.h"
511d2b14 63#include "hw/bt.h"
0d09e41a 64#include "sysemu/watchdog.h"
60d8f328 65#include "hw/smbios/smbios.h"
9f57061c 66#include "hw/acpi/acpi.h"
0d09e41a 67#include "hw/xen/xen.h"
bd3c948d 68#include "hw/qdev.h"
45a50b16 69#include "hw/loader.h"
b4a42f81 70#include "monitor/qdev.h"
dccfcd0e 71#include "sysemu/bt.h"
1422e32d 72#include "net/net.h"
68ac40d2 73#include "net/slirp.h"
83c9089e 74#include "monitor/monitor.h"
28ecbaee 75#include "ui/console.h"
e0d2bd51 76#include "ui/input.h"
9c17d615 77#include "sysemu/sysemu.h"
e35704ba 78#include "sysemu/numa.h"
022c62cb 79#include "exec/gdbstub.h"
1de7afc9 80#include "qemu/timer.h"
8228e353 81#include "chardev/char.h"
b33276a7 82#include "qemu/bitmap.h"
03dd024f 83#include "qemu/log.h"
9c17d615 84#include "sysemu/blockdev.h"
0d09e41a 85#include "hw/block/block.h"
7b1e1a22 86#include "migration/misc.h"
5e22479a 87#include "migration/snapshot.h"
84a899de 88#include "migration/global_state.h"
bdee56f5 89#include "sysemu/tpm.h"
9c17d615 90#include "sysemu/dma.h"
8a824e4d 91#include "hw/audio/soundhw.h"
511d2b14 92#include "audio/audio.h"
4b4629d9 93#include "sysemu/cpus.h"
5821ebf9 94#include "migration/colo.h"
9c17d615 95#include "sysemu/kvm.h"
b0cb0a66 96#include "sysemu/hax.h"
42e5f393
MA		 97#include "qapi/qobject-input-visitor.h"
98#include "qapi/qobject-input-visitor.h"
99#include "qapi-visit.h"
7b1b5d19 100#include "qapi/qmp/qjson.h"
1de7afc9
PB		 101#include "qemu/option.h"
102#include "qemu/config-file.h"
59a5264b 103#include "qemu-options.h"
1fa9a5e4 104#include "qmp-commands.h"
1de7afc9 105#include "qemu/main-loop.h"
758e8e38 106#ifdef CONFIG_VIRTFS
74db920c
GS		 107#include "fsdev/qemu-fsdev.h"
108#endif
9c17d615 109#include "sysemu/qtest.h"
511d2b14 110
76cad711 111#include "disas/disas.h"
fc01f7e7 112
511d2b14 113
d918f23e 114#include "slirp/libslirp.h"
511d2b14 115
0ab8ed18 116#include "trace-root.h"
e4858974 117#include "trace/control.h"
1de7afc9 118#include "qemu/queue.h"
9c17d615 119#include "sysemu/arch_init.h"
72cf2d4f 120
29b0040b 121#include "ui/qemu-spice.h"
68d98d3e 122#include "qapi/string-input-visitor.h"
c4090f8e 123#include "qapi/opts-visitor.h"
84321831
WX		 124#include "qom/object_interfaces.h"
125#include "qapi-event.h"
cfe67cef 126#include "exec/semihost.h"
ddbb0d09 127#include "crypto/init.h"
b60c48a7 128#include "sysemu/replay.h"
0194749a 129#include "qapi/qmp/qerror.h"
dce8921b 130#include "sysemu/iothread.h"
29b0040b 131
98b19252 132#define MAX_VIRTIO_CONSOLES 1
3ef669e1 133#define MAX_SCLP_CONSOLES 1
98b19252 134
4524051c
GH		 135static const char *data_dir[16];
136static int data_dir_idx;
1192dad8 137const char *bios_name = NULL;
cb5a7aa8 138enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
0b71a5d5 139int request_opengl = -1;
da076ffe 140int display_opengl;
3d11d0eb 141const char* keyboard_layout = NULL;
c227f099 142ram_addr_t ram_size;
c902760f 143const char *mem_path = NULL;
c902760f 144int mem_prealloc = 0; /* force preallocation of physical target memory */
28d16f38 145bool enable_mlock = false;
c4b1fcc0 146int nb_nics;
7c9d8e07 147NICInfo nd_table[MAX_NICS];
d399f677 148int autostart;
f6503059
AZ		 149static int rtc_utc = 1;
150static int rtc_date_offset = -1; /* -1 means no change */
884f17c2 151QEMUClockType rtc_clock;
64465297 152int vga_interface_type = VGA_NONE;
dbed7e40
BS		 153static int full_screen = 0;
154static int no_frame = 0;
667accab 155int no_quit = 0;
881249c7 156static bool grab_on_hover;
0ec7b3e7
MAL		 157Chardev *serial_hds[MAX_SERIAL_PORTS];
158Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160Chardev *sclp_hds[MAX_SCLP_CONSOLES];
a09db21f 161int win2k_install_hack = 0;
1b530a6d 162int singlestep = 0;
72649619
EC		 163int smp_cpus;
164unsigned int max_cpus;
dc6b1c09
AP		 165int smp_cores = 1;
166int smp_threads = 1;
6515b203 167int acpi_enabled = 1;
16b29ae1 168int no_hpet = 0;
52ca8d6a 169int fd_bootchk = 1;
4fdcac0e 170static int no_reboot;
b2f76161 171int no_shutdown = 0;
9467cd46 172int cursor_hide = 1;
a171fe39 173int graphic_rotate = 0;
09aaa160 174const char *watchdog;
2e55e842 175QEMUOptionRom option_rom[MAX_OPTION_ROMS];
9ae02555 176int nb_option_roms;
2b8f2d41 177int old_param = 0;
c35734b2 178const char *qemu_name;
3780e197 179int alt_grab = 0;
0ca9f8a4 180int ctrl_grab = 0;
66508601
BS		 181unsigned int nb_prom_envs = 0;
182const char *prom_envs[MAX_PROM_ENVS];
95387491 183int boot_menu;
bc74112f 184bool boot_strict;
3d3b8303 185uint8_t *boot_splash_filedata;
d09acb9b 186size_t boot_splash_filedata_size;
3d3b8303 187uint8_t qemu_extra_params_fw[2];
0824d6fc 188
a8bfac37 189int icount_align_option;
1ca4d09a 190
9c5ce8db 191/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
caad057b
EH		 192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
9c5ce8db 194QemuUUID qemu_uuid;
fc3b3295 195bool qemu_uuid_set;
8fcb1b90 196
fd42deeb
GH		 197static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
4cab946a
GN		 200static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
d5286af5 203bool xen_allowed;
d745bef8
BS		 204uint32_t xen_domid;
205enum xen_mode xen_mode = XEN_EMULATE;
1c599472 206bool xen_domid_restrict;
d745bef8 207
d44229c5 208static int has_defaults = 1;
998bbd74 209static int default_serial = 1;
6a5e8b0e 210static int default_parallel = 1;
986c5f78 211static int default_virtcon = 1;
3ef669e1 212static int default_sclp = 1;
abdeed06 213static int default_monitor = 1;
ac33f8fa
GH		 214static int default_floppy = 1;
215static int default_cdrom = 1;
216static int default_sdcard = 1;
7f1b17f2 217static int default_vga = 1;
d30300f7 218static int default_net = 1;
998bbd74
GH		 219
220static struct {
221 const char *driver;
222 int *flag;
223} default_list[] = {
6a5e8b0e
GH		 224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf 226 { .driver = "isa-fdc", .flag = &default_floppy },
a92bd191 227 { .driver = "floppy", .flag = &default_floppy },
af6bf132
MA		 228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
d8bcbabf 230 { .driver = "ide-drive", .flag = &default_cdrom },
af6bf132 231 { .driver = "scsi-cd", .flag = &default_cdrom },
f6f99b48 232 { .driver = "scsi-hd", .flag = &default_cdrom },
392ecf54 233 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
392ecf54 234 { .driver = "virtio-serial", .flag = &default_virtcon },
7f1b17f2
PB		 235 { .driver = "VGA", .flag = &default_vga },
236 { .driver = "isa-vga", .flag = &default_vga },
237 { .driver = "cirrus-vga", .flag = &default_vga },
238 { .driver = "isa-cirrus-vga", .flag = &default_vga },
239 { .driver = "vmware-svga", .flag = &default_vga },
240 { .driver = "qxl-vga", .flag = &default_vga },
a94f0c5c 241 { .driver = "virtio-vga", .flag = &default_vga },
998bbd74
GH		 242};
243
4d454574
PB		 244static QemuOptsList qemu_rtc_opts = {
245 .name = "rtc",
246 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
247 .desc = {
248 {
249 .name = "base",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "clock",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "driftfix",
256 .type = QEMU_OPT_STRING,
257 },
258 { /* end of list */ }
259 },
260};
261
262static QemuOptsList qemu_sandbox_opts = {
263 .name = "sandbox",
264 .implied_opt_name = "enable",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
266 .desc = {
267 {
268 .name = "enable",
269 .type = QEMU_OPT_BOOL,
270 },
2b716fa6
EO		 271 {
272 .name = "obsolete",
273 .type = QEMU_OPT_STRING,
274 },
73a1e647
EO		 275 {
276 .name = "elevateprivileges",
277 .type = QEMU_OPT_STRING,
278 },
995a226f
EO		 279 {
280 .name = "spawn",
281 .type = QEMU_OPT_STRING,
282 },
24f8cdc5
EO		 283 {
284 .name = "resourcecontrol",
285 .type = QEMU_OPT_STRING,
286 },
4d454574
PB		 287 { /* end of list */ }
288 },
289};
290
4d454574
PB		 291static QemuOptsList qemu_option_rom_opts = {
292 .name = "option-rom",
293 .implied_opt_name = "romfile",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
295 .desc = {
296 {
297 .name = "bootindex",
298 .type = QEMU_OPT_NUMBER,
299 }, {
300 .name = "romfile",
301 .type = QEMU_OPT_STRING,
302 },
303 { /* end of list */ }
304 },
305};
306
307static QemuOptsList qemu_machine_opts = {
308 .name = "machine",
309 .implied_opt_name = "type",
310 .merge_lists = true,
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
312 .desc = {
49d2e648
MA		 313 /*
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
317 */
318 { }
4d454574
PB		 319 },
320};
321
8d4e9146
FK		 322static QemuOptsList qemu_accel_opts = {
323 .name = "accel",
324 .implied_opt_name = "accel",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
326 .merge_lists = true,
327 .desc = {
328 {
329 .name = "accel",
330 .type = QEMU_OPT_STRING,
331 .help = "Select the type of accelerator",
332 },
333 {
334 .name = "thread",
335 .type = QEMU_OPT_STRING,
336 .help = "Enable/disable multi-threaded TCG",
337 },
338 { /* end of list */ }
339 },
340};
341
4d454574
PB		 342static QemuOptsList qemu_boot_opts = {
343 .name = "boot-opts",
6ef4716c
MA		 344 .implied_opt_name = "order",
345 .merge_lists = true,
4d454574
PB		 346 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
347 .desc = {
4d454574
PB		 348 {
349 .name = "order",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "once",
353 .type = QEMU_OPT_STRING,
354 }, {
355 .name = "menu",
6ef4716c 356 .type = QEMU_OPT_BOOL,
4d454574
PB		 357 }, {
358 .name = "splash",
359 .type = QEMU_OPT_STRING,
360 }, {
361 .name = "splash-time",
362 .type = QEMU_OPT_STRING,
363 }, {
364 .name = "reboot-timeout",
365 .type = QEMU_OPT_STRING,
c8a6ae8b
AK		 366 }, {
367 .name = "strict",
e5187b56 368 .type = QEMU_OPT_BOOL,
4d454574
PB		 369 },
370 { /*End of list */ }
371 },
372};
373
374static QemuOptsList qemu_add_fd_opts = {
375 .name = "add-fd",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
377 .desc = {
378 {
379 .name = "fd",
380 .type = QEMU_OPT_NUMBER,
381 .help = "file descriptor of which a duplicate is added to fd set",
382 },{
383 .name = "set",
384 .type = QEMU_OPT_NUMBER,
385 .help = "ID of the fd set to add fd to",
386 },{
387 .name = "opaque",
388 .type = QEMU_OPT_STRING,
389 .help = "free-form string used to describe fd",
390 },
391 { /* end of list */ }
392 },
393};
394
395static QemuOptsList qemu_object_opts = {
396 .name = "object",
397 .implied_opt_name = "qom-type",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
399 .desc = {
400 { }
401 },
402};
403
d1a0cf73
SB		 404static QemuOptsList qemu_tpmdev_opts = {
405 .name = "tpmdev",
406 .implied_opt_name = "type",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
408 .desc = {
bb716238 409 /* options are defined in the TPM backends */
d1a0cf73
SB		 410 { /* end of list */ }
411 },
412};
413
888a6bc6
SM		 414static QemuOptsList qemu_realtime_opts = {
415 .name = "realtime",
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
417 .desc = {
418 {
419 .name = "mlock",
420 .type = QEMU_OPT_BOOL,
421 },
422 { /* end of list */ }
423 },
424};
425
5e2ac519
SA		 426static QemuOptsList qemu_msg_opts = {
427 .name = "msg",
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
429 .desc = {
430 {
431 .name = "timestamp",
432 .type = QEMU_OPT_BOOL,
433 },
434 { /* end of list */ }
435 },
436};
437
5d12f961
DDAG		 438static QemuOptsList qemu_name_opts = {
439 .name = "name",
440 .implied_opt_name = "guest",
441 .merge_lists = true,
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
443 .desc = {
444 {
445 .name = "guest",
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the guest.\n"
448 "This name will be displayed in the SDL window caption.\n"
449 "The name will also be used for the VNC server",
450 }, {
451 .name = "process",
452 .type = QEMU_OPT_STRING,
453 .help = "Sets the name of the QEMU process, as shown in top etc",
8f480de0
DDAG		 454 }, {
455 .name = "debug-threads",
456 .type = QEMU_OPT_BOOL,
457 .help = "When enabled, name the individual threads; defaults off.\n"
458 "NOTE: The thread names are for debugging and not a\n"
459 "stable API.",
5d12f961
DDAG		 460 },
461 { /* End of list */ }
462 },
463};
464
6e1d3c1c
IM		 465static QemuOptsList qemu_mem_opts = {
466 .name = "memory",
467 .implied_opt_name = "size",
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
469 .merge_lists = true,
470 .desc = {
471 {
472 .name = "size",
473 .type = QEMU_OPT_SIZE,
474 },
c270fb9e
IM		 475 {
476 .name = "slots",
477 .type = QEMU_OPT_NUMBER,
478 },
479 {
480 .name = "maxmem",
481 .type = QEMU_OPT_SIZE,
482 },
6e1d3c1c
IM		 483 { /* end of list */ }
484 },
485};
486
1ad9580b
ST		 487static QemuOptsList qemu_icount_opts = {
488 .name = "icount",
489 .implied_opt_name = "shift",
490 .merge_lists = true,
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
492 .desc = {
493 {
494 .name = "shift",
495 .type = QEMU_OPT_STRING,
a8bfac37
ST		 496 }, {
497 .name = "align",
498 .type = QEMU_OPT_BOOL,
f1f4b57e
VC		 499 }, {
500 .name = "sleep",
501 .type = QEMU_OPT_BOOL,
4c27b859
PD		 502 }, {
503 .name = "rr",
504 .type = QEMU_OPT_STRING,
505 }, {
506 .name = "rrfile",
507 .type = QEMU_OPT_STRING,
9c2037d0
PD		 508 }, {
509 .name = "rrsnapshot",
510 .type = QEMU_OPT_STRING,
1ad9580b
ST		 511 },
512 { /* end of list */ }
513 },
514};
515
a38bb079
LI		 516static QemuOptsList qemu_semihosting_config_opts = {
517 .name = "semihosting-config",
518 .implied_opt_name = "enable",
519 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
520 .desc = {
521 {
522 .name = "enable",
523 .type = QEMU_OPT_BOOL,
524 }, {
525 .name = "target",
526 .type = QEMU_OPT_STRING,
a59d31a1
LA		 527 }, {
528 .name = "arg",
529 .type = QEMU_OPT_STRING,
a38bb079
LI		 530 },
531 { /* end of list */ }
532 },
533};
534
81b2b810
GS		 535static QemuOptsList qemu_fw_cfg_opts = {
536 .name = "fw_cfg",
537 .implied_opt_name = "name",
538 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
539 .desc = {
540 {
541 .name = "name",
542 .type = QEMU_OPT_STRING,
543 .help = "Sets the fw_cfg name of the blob to be inserted",
544 }, {
545 .name = "file",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the name of the file from which\n"
548 "the fw_cfg blob will be loaded",
6407d76e
GS		 549 }, {
550 .name = "string",
551 .type = QEMU_OPT_STRING,
552 .help = "Sets content of the blob to be inserted from a string",
81b2b810
GS		 553 },
554 { /* end of list */ }
555 },
556};
557
7f9d6e54
MA		 558/**
559 * Get machine options
560 *
561 * Returns: machine options (never null).
562 */
563QemuOpts *qemu_get_machine_opts(void)
564{
e96e5ae8 565 return qemu_find_opts_singleton("machine");
7f9d6e54
MA		 566}
567
31459f46
RS		 568const char *qemu_get_vm_name(void)
569{
570 return qemu_name;
571}
572
3d3b8303
WX		 573static void res_free(void)
574{
012aef07
MA		 575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
3d3b8303
WX		 577}
578
28d0de7a 579static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
998bbd74
GH		 580{
581 const char *driver = qemu_opt_get(opts, "driver");
582 int i;
583
584 if (!driver)
585 return 0;
586 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
587 if (strcmp(default_list[i].driver, driver) != 0)
588 continue;
589 *(default_list[i].flag) = 0;
590 }
591 return 0;
592}
593
f5bbfba1
LC		 594/***********************************************************/
595/* QEMU state */
596
0461d5a6 597static RunState current_run_state = RUN_STATE_PRELAUNCH;
f5bbfba1 598
7fb1cf16
EB		 599/* We use RUN_STATE__MAX but any invalid value will do */
600static RunState vmstop_requested = RUN_STATE__MAX;
74892d24
PB		 601static QemuMutex vmstop_lock;
602
5db9d4d1
LC		 603typedef struct {
604 RunState from;
605 RunState to;
606} RunStateTransition;
607
608static const RunStateTransition runstate_transitions_def[] = {
609 /* from -> to */
0461d5a6 610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
eca01d3a 611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
5db9d4d1 613
ca3fc39e
JQ		 614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
29ed72f1 616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
ca3fc39e
JQ		 617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
2a6e6e59 622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
98799b0d
PB		 623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
21142ba7 625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
5db9d4d1 626
0461d5a6 627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
8a9236f1 628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 630
0461d5a6 631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
8a9236f1 632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 634
0461d5a6 635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
8a9236f1 636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
505d786f 637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
7ec13c79 638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
21142ba7 639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
5db9d4d1 640
0461d5a6 641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
8a9236f1 642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
7ec13c79 643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
5db9d4d1 644
0461d5a6 645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
8a9236f1 646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
0461d5a6 647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
5db9d4d1 648
0461d5a6 649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
505d786f 650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
0461d5a6 651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
7ec13c79 652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
21142ba7 653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
5db9d4d1 654
0461d5a6 655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
7ec13c79 656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
5db9d4d1 657
21142ba7
HZ		 658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
0461d5a6
LC		 660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
ede085b3 669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
21142ba7 670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
5db9d4d1 671
0461d5a6 672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
5db9d4d1 673
0461d5a6 674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
8a9236f1 675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
7ec13c79 676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
5db9d4d1 677
ad02b96a
LC		 678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
21142ba7 683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
ad02b96a 684
0461d5a6 685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
8a9236f1 686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
21142ba7 688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
5db9d4d1 689
df390768 690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
fd2a2e1c 691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
ede085b3 693
7fb1cf16 694 { RUN_STATE__MAX, RUN_STATE__MAX },
5db9d4d1
LC		 695};
696
7fb1cf16 697static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
0461d5a6 698
f5bbfba1
LC		 699bool runstate_check(RunState state)
700{
701 return current_run_state == state;
702}
703
5e0f1940
JQ		 704bool runstate_store(char *str, size_t size)
705{
977c736f 706 const char *state = RunState_str(current_run_state);
5e0f1940
JQ		 707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714}
715
4fdcac0e 716static void runstate_init(void)
5db9d4d1
LC		 717{
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
7fb1cf16 721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
5db9d4d1
LC		 722 runstate_valid_transitions[p->from][p->to] = true;
723 }
74892d24
PB		 724
725 qemu_mutex_init(&vmstop_lock);
5db9d4d1
LC		 726}
727
728/* This function will abort() on invalid state transitions */
f5bbfba1
LC		 729void runstate_set(RunState new_state)
730{
7fb1cf16 731 assert(new_state < RUN_STATE__MAX);
207c5cd2 732
e92a2d9c
LZ		 733 if (current_run_state == new_state) {
734 return;
735 }
736
207c5cd2 737 if (!runstate_valid_transitions[current_run_state][new_state]) {
f61eddcb 738 error_report("invalid runstate transition: '%s' -> '%s'",
977c736f
MA		 739 RunState_str(current_run_state),
740 RunState_str(new_state));
5db9d4d1
LC		 741 abort();
742 }
7e866003 743 trace_runstate_set(new_state);
f5bbfba1
LC		 744 current_run_state = new_state;
745}
746
1fa9a5e4 747int runstate_is_running(void)
9e37b9dc 748{
1fa9a5e4 749 return runstate_check(RUN_STATE_RUNNING);
9e37b9dc
LC		 750}
751
ede085b3
HT		 752bool runstate_needs_reset(void)
753{
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
df390768 755 runstate_check(RUN_STATE_SHUTDOWN);
ede085b3
HT		 756}
757
1fa9a5e4 758StatusInfo *qmp_query_status(Error **errp)
1354869c 759{
1fa9a5e4
LC		 760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
1354869c
LC		 767}
768
2d76e823 769bool qemu_vmstop_requested(RunState *r)
74892d24
PB		 770{
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
7fb1cf16 773 vmstop_requested = RUN_STATE__MAX;
74892d24 774 qemu_mutex_unlock(&vmstop_lock);
7fb1cf16 775 return *r < RUN_STATE__MAX;
74892d24
PB		 776}
777
778void qemu_system_vmstop_request_prepare(void)
779{
780 qemu_mutex_lock(&vmstop_lock);
781}
782
783void qemu_system_vmstop_request(RunState state)
784{
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788}
789
8f0056b7
PB		 790/***********************************************************/
791/* real time host monotonic timer */
09b26c5e 792
2ed1ebcf
PD		 793static time_t qemu_time(void)
794{
795 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
796}
797
f6503059
AZ		 798/***********************************************************/
799/* host time/date access */
800void qemu_get_timedate(struct tm *tm, int offset)
801{
2ed1ebcf 802 time_t ti = qemu_time();
f6503059 803
f6503059
AZ		 804 ti += offset;
805 if (rtc_date_offset == -1) {
806 if (rtc_utc)
eb7ff6fb 807 gmtime_r(&ti, tm);
f6503059 808 else
eb7ff6fb 809 localtime_r(&ti, tm);
f6503059
AZ		 810 } else {
811 ti -= rtc_date_offset;
eb7ff6fb 812 gmtime_r(&ti, tm);
f6503059 813 }
f6503059
AZ		 814}
815
816int qemu_timedate_diff(struct tm *tm)
817{
818 time_t seconds;
819
820 if (rtc_date_offset == -1)
821 if (rtc_utc)
822 seconds = mktimegm(tm);
f54c556c
GN		 823 else {
824 struct tm tmp = *tm;
825 tmp.tm_isdst = -1; /* use timezone to figure it out */
826 seconds = mktime(&tmp);
827 }
f6503059
AZ		 828 else
829 seconds = mktimegm(tm) + rtc_date_offset;
830
2ed1ebcf 831 return seconds - qemu_time();
f6503059
AZ		 832}
833
1ed2fc1f
JK		 834static void configure_rtc_date_offset(const char *startdate, int legacy)
835{
836 time_t rtc_start_date;
837 struct tm tm;
838
839 if (!strcmp(startdate, "now") && legacy) {
840 rtc_date_offset = -1;
841 } else {
842 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
843 &tm.tm_year,
844 &tm.tm_mon,
845 &tm.tm_mday,
846 &tm.tm_hour,
847 &tm.tm_min,
848 &tm.tm_sec) == 6) {
849 /* OK */
850 } else if (sscanf(startdate, "%d-%d-%d",
851 &tm.tm_year,
852 &tm.tm_mon,
853 &tm.tm_mday) == 3) {
854 tm.tm_hour = 0;
855 tm.tm_min = 0;
856 tm.tm_sec = 0;
857 } else {
858 goto date_fail;
859 }
860 tm.tm_year -= 1900;
861 tm.tm_mon--;
862 rtc_start_date = mktimegm(&tm);
863 if (rtc_start_date == -1) {
864 date_fail:
f61eddcb
EH		 865 error_report("invalid date format");
866 error_printf("valid formats: "
867 "'2006-06-17T16:01:21' or '2006-06-17'\n");
1ed2fc1f
JK		 868 exit(1);
869 }
2ed1ebcf 870 rtc_date_offset = qemu_time() - rtc_start_date;
1ed2fc1f
JK		 871 }
872}
873
874static void configure_rtc(QemuOpts *opts)
875{
876 const char *value;
877
878 value = qemu_opt_get(opts, "base");
879 if (value) {
880 if (!strcmp(value, "utc")) {
881 rtc_utc = 1;
882 } else if (!strcmp(value, "localtime")) {
0194749a 883 Error *blocker = NULL;
1ed2fc1f 884 rtc_utc = 0;
0194749a
PD		 885 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
886 "-rtc base=localtime");
887 replay_add_blocker(blocker);
1ed2fc1f
JK		 888 } else {
889 configure_rtc_date_offset(value, 0);
890 }
891 }
6875204c
JK		 892 value = qemu_opt_get(opts, "clock");
893 if (value) {
894 if (!strcmp(value, "host")) {
884f17c2 895 rtc_clock = QEMU_CLOCK_HOST;
78808141 896 } else if (!strcmp(value, "rt")) {
884f17c2 897 rtc_clock = QEMU_CLOCK_REALTIME;
6875204c 898 } else if (!strcmp(value, "vm")) {
884f17c2 899 rtc_clock = QEMU_CLOCK_VIRTUAL;
6875204c 900 } else {
f61eddcb 901 error_report("invalid option value '%s'", value);
6875204c
JK		 902 exit(1);
903 }
904 }
1ed2fc1f
JK		 905 value = qemu_opt_get(opts, "driftfix");
906 if (value) {
7e4c0336 907 if (!strcmp(value, "slew")) {
16714b16
EH		 908 static GlobalProperty slew_lost_ticks = {
909 .driver = "mc146818rtc",
910 .property = "lost_tick_policy",
911 .value = "slew",
433acf0d
JK		 912 };
913
16714b16 914 qdev_prop_register_global(&slew_lost_ticks);
7e4c0336 915 } else if (!strcmp(value, "none")) {
433acf0d 916 /* discard is default */
1ed2fc1f 917 } else {
f61eddcb 918 error_report("invalid option value '%s'", value);
1ed2fc1f
JK		 919 exit(1);
920 }
921 }
1ed2fc1f
JK		 922}
923
1ae26a18
AZ		 924/***********************************************************/
925/* Bluetooth support */
926static int nb_hcis;
927static int cur_hci;
928static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 929
1ae26a18
AZ		 930struct HCIInfo *qemu_next_hci(void)
931{
932 if (cur_hci == nb_hcis)
933 return &null_hci;
934
935 return hci_table[cur_hci++];
936}
937
dc72ac14
AZ		 938static int bt_hci_parse(const char *str)
939{
940 struct HCIInfo *hci;
c227f099 941 bdaddr_t bdaddr;
dc72ac14
AZ		 942
943 if (nb_hcis >= MAX_NICS) {
3e515373 944 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
dc72ac14
AZ		 945 return -1;
946 }
947
948 hci = hci_init(str);
949 if (!hci)
950 return -1;
951
952 bdaddr.b[0] = 0x52;
953 bdaddr.b[1] = 0x54;
954 bdaddr.b[2] = 0x00;
955 bdaddr.b[3] = 0x12;
956 bdaddr.b[4] = 0x34;
957 bdaddr.b[5] = 0x56 + nb_hcis;
958 hci->bdaddr_set(hci, bdaddr.b);
959
960 hci_table[nb_hcis++] = hci;
961
962 return 0;
963}
964
965static void bt_vhci_add(int vlan_id)
966{
967 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
3dc6f869
AF		 970 warn_report("adding a VHCI to an empty scatternet %i",
971 vlan_id);
dc72ac14
AZ		 972
973 bt_vhci_init(bt_new_hci(vlan));
974}
975
976static struct bt_device_s *bt_device_add(const char *opt)
977{
978 struct bt_scatternet_s *vlan;
979 int vlan_id = 0;
980 char *endp = strstr(opt, ",vlan=");
981 int len = (endp ? endp - opt : strlen(opt)) + 1;
982 char devname[10];
983
984 pstrcpy(devname, MIN(sizeof(devname), len), opt);
985
986 if (endp) {
987 vlan_id = strtol(endp + 6, &endp, 0);
988 if (*endp) {
f61eddcb 989 error_report("unrecognised bluetooth vlan Id");
dc72ac14
AZ		 990 return 0;
991 }
992 }
993
994 vlan = qemu_find_bt_vlan(vlan_id);
995
996 if (!vlan->slave)
3dc6f869
AF		 997 warn_report("adding a slave device to an empty scatternet %i",
998 vlan_id);
dc72ac14
AZ		 999
1000 if (!strcmp(devname, "keyboard"))
1001 return bt_keyboard_init(vlan);
1002
4cd70f34 1003 error_report("unsupported bluetooth device '%s'", devname);
dc72ac14
AZ		 1004 return 0;
1005}
1006
1007static int bt_parse(const char *opt)
1008{
1009 const char *endp, *p;
1010 int vlan;
1011
1012 if (strstart(opt, "hci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp)
1015 if (!strstart(endp, ",vlan=", 0))
1016 opt = endp + 1;
1017
1018 return bt_hci_parse(opt);
1019 }
1020 } else if (strstart(opt, "vhci", &endp)) {
1021 if (!*endp || *endp == ',') {
1022 if (*endp) {
1023 if (strstart(endp, ",vlan=", &p)) {
1024 vlan = strtol(p, (char **) &endp, 0);
1025 if (*endp) {
f61eddcb 1026 error_report("bad scatternet '%s'", p);
dc72ac14
AZ		 1027 return 1;
1028 }
1029 } else {
f61eddcb 1030 error_report("bad parameter '%s'", endp + 1);
dc72ac14
AZ		 1031 return 1;
1032 }
1033 } else
1034 vlan = 0;
1035
1036 bt_vhci_add(vlan);
1037 return 0;
1038 }
1039 } else if (strstart(opt, "device:", &endp))
1040 return !bt_device_add(endp);
1041
f61eddcb 1042 error_report("bad bluetooth parameter '%s'", opt);
dc72ac14
AZ		 1043 return 1;
1044}
1045
28d0de7a 1046static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
7d76ad4f 1047{
7d76ad4f
EO		 1048 if (qemu_opt_get_bool(opts, "enable", false)) {
1049#ifdef CONFIG_SECCOMP
2b716fa6
EO		 1050 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1051 | QEMU_SECCOMP_SET_OBSOLETE;
1052 const char *value = NULL;
1053
1054 value = qemu_opt_get(opts, "obsolete");
1055 if (value) {
1056 if (g_str_equal(value, "allow")) {
1057 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1058 } else if (g_str_equal(value, "deny")) {
1059 /* this is the default option, this if is here
1060 * to provide a little bit of consistency for
1061 * the command line */
1062 } else {
1063 error_report("invalid argument for obsolete");
1064 return -1;
1065 }
1066 }
1067
73a1e647
EO		 1068 value = qemu_opt_get(opts, "elevateprivileges");
1069 if (value) {
1070 if (g_str_equal(value, "deny")) {
1071 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1072 } else if (g_str_equal(value, "children")) {
1073 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1074
1075 /* calling prctl directly because we're
1076 * not sure if host has CAP_SYS_ADMIN set*/
1077 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1078 error_report("failed to set no_new_privs "
1079 "aborting");
1080 return -1;
1081 }
1082 } else if (g_str_equal(value, "allow")) {
1083 /* default value */
1084 } else {
1085 error_report("invalid argument for elevateprivileges");
1086 return -1;
1087 }
1088 }
1089
995a226f
EO		 1090 value = qemu_opt_get(opts, "spawn");
1091 if (value) {
1092 if (g_str_equal(value, "deny")) {
1093 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1094 } else if (g_str_equal(value, "allow")) {
1095 /* default value */
1096 } else {
1097 error_report("invalid argument for spawn");
1098 return -1;
1099 }
1100 }
1101
24f8cdc5
EO		 1102 value = qemu_opt_get(opts, "resourcecontrol");
1103 if (value) {
1104 if (g_str_equal(value, "deny")) {
1105 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1106 } else if (g_str_equal(value, "allow")) {
1107 /* default value */
1108 } else {
1109 error_report("invalid argument for resourcecontrol");
1110 return -1;
1111 }
1112 }
1113
2b716fa6 1114 if (seccomp_start(seccomp_opts) < 0) {
1459407e
MA		 1115 error_report("failed to install seccomp syscall filter "
1116 "in the kernel");
7d76ad4f
EO		 1117 return -1;
1118 }
1119#else
5dfdae81 1120 error_report("seccomp support is disabled");
7d76ad4f
EO		 1121 return -1;
1122#endif
1123 }
1124
1125 return 0;
1126}
1127
28d0de7a 1128static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
5d12f961
DDAG		 1129{
1130 const char *proc_name;
1131
8f480de0
DDAG		 1132 if (qemu_opt_get(opts, "debug-threads")) {
1133 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1134 }
5d12f961
DDAG		 1135 qemu_name = qemu_opt_get(opts, "guest");
1136
1137 proc_name = qemu_opt_get(opts, "process");
1138 if (proc_name) {
1139 os_set_proc_name(proc_name);
1140 }
5b9d313e
DDAG		 1141
1142 return 0;
5d12f961
DDAG		 1143}
1144
f8b6f8ed
MA		 1145bool defaults_enabled(void)
1146{
1147 return has_defaults;
1148}
1149
587ed6be 1150#ifndef _WIN32
28d0de7a 1151static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 1152{
1153 int fd, dupfd, flags;
1154 int64_t fdset_id;
1155 const char *fd_opaque = NULL;
636a30a8 1156 AddfdInfo *fdinfo;
587ed6be
CB		 1157
1158 fd = qemu_opt_get_number(opts, "fd", -1);
1159 fdset_id = qemu_opt_get_number(opts, "set", -1);
1160 fd_opaque = qemu_opt_get(opts, "opaque");
1161
1162 if (fd < 0) {
1459407e 1163 error_report("fd option is required and must be non-negative");
587ed6be
CB		 1164 return -1;
1165 }
1166
1167 if (fd <= STDERR_FILENO) {
1459407e 1168 error_report("fd cannot be a standard I/O stream");
587ed6be
CB		 1169 return -1;
1170 }
1171
1172 /*
1173 * All fds inherited across exec() necessarily have FD_CLOEXEC
1174 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1175 */
1176 flags = fcntl(fd, F_GETFD);
1177 if (flags == -1 || (flags & FD_CLOEXEC)) {
1459407e 1178 error_report("fd is not valid or already in use");
587ed6be
CB		 1179 return -1;
1180 }
1181
1182 if (fdset_id < 0) {
1459407e 1183 error_report("set option is required and must be non-negative");
587ed6be
CB		 1184 return -1;
1185 }
1186
1187#ifdef F_DUPFD_CLOEXEC
1188 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1189#else
1190 dupfd = dup(fd);
1191 if (dupfd != -1) {
1192 qemu_set_cloexec(dupfd);
1193 }
1194#endif
1195 if (dupfd == -1) {
3e515373 1196 error_report("error duplicating fd: %s", strerror(errno));
587ed6be
CB		 1197 return -1;
1198 }
1199
1200 /* add the duplicate fd, and optionally the opaque string, to the fd set */
636a30a8
PB		 1201 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1202 &error_abort);
1203 g_free(fdinfo);
587ed6be
CB		 1204
1205 return 0;
1206}
1207
28d0de7a 1208static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 1209{
1210 int fd;
1211
1212 fd = qemu_opt_get_number(opts, "fd", -1);
1213 close(fd);
1214
1215 return 0;
1216}
1217#endif
1218
1ae26a18
AZ		 1219/***********************************************************/
1220/* QEMU Block devices */
1221
2292ddae
MA		 1222#define HD_OPTS "media=disk"
1223#define CDROM_OPTS "media=cdrom"
1224#define FD_OPTS ""
1225#define PFLASH_OPTS ""
1226#define MTD_OPTS ""
1227#define SD_OPTS ""
e4bcb14c 1228
28d0de7a 1229static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1230{
2d0d2837 1231 BlockInterfaceType *block_default_type = opaque;
9dfd7c7a 1232
60e19e06 1233 return drive_new(opts, *block_default_type) == NULL;
9dfd7c7a
GH		 1234}
1235
28d0de7a 1236static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1237{
28de2f88 1238 if (qemu_opt_get(opts, "snapshot") == NULL) {
f43e47db 1239 qemu_opt_set(opts, "snapshot", "on", &error_abort);
9dfd7c7a
GH		 1240 }
1241 return 0;
1242}
1243
3c42ea66
CB		 1244static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1245 int index, const char *optstr)
4e5d9b57
MA		 1246{
1247 QemuOpts *opts;
a66c9dc7 1248 DriveInfo *dinfo;
4e5d9b57 1249
4e5d9b57
MA		 1250 if (!enable || drive_get_by_index(type, index)) {
1251 return;
1252 }
1253
1254 opts = drive_add(type, index, NULL, optstr);
1255 if (snapshot) {
28d0de7a 1256 drive_enable_snapshot(NULL, opts, NULL);
4e5d9b57 1257 }
a66c9dc7
JS		 1258
1259 dinfo = drive_new(opts, type);
1260 if (!dinfo) {
4e5d9b57
MA		 1261 exit(1);
1262 }
a66c9dc7
JS		 1263 dinfo->is_default = true;
1264
4e5d9b57
MA		 1265}
1266
12b7f57e
MT		 1267static QemuOptsList qemu_smp_opts = {
1268 .name = "smp-opts",
1269 .implied_opt_name = "cpus",
1270 .merge_lists = true,
1271 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1272 .desc = {
1273 {
1274 .name = "cpus",
1275 .type = QEMU_OPT_NUMBER,
1276 }, {
1277 .name = "sockets",
1278 .type = QEMU_OPT_NUMBER,
1279 }, {
1280 .name = "cores",
1281 .type = QEMU_OPT_NUMBER,
1282 }, {
1283 .name = "threads",
1284 .type = QEMU_OPT_NUMBER,
1285 }, {
1286 .name = "maxcpus",
1287 .type = QEMU_OPT_NUMBER,
1288 },
1289 { /*End of list */ }
1290 },
1291};
1292
1293static void smp_parse(QemuOpts *opts)
dc6b1c09 1294{
12b7f57e 1295 if (opts) {
12b7f57e
MT		 1296 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1297 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1298 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1299 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1300
1301 /* compute missing values, prefer sockets over cores over threads */
1302 if (cpus == 0 || sockets == 0) {
1303 sockets = sockets > 0 ? sockets : 1;
1304 cores = cores > 0 ? cores : 1;
dc6b1c09 1305 threads = threads > 0 ? threads : 1;
12b7f57e
MT		 1306 if (cpus == 0) {
1307 cpus = cores * threads * sockets;
1308 }
719cac1c
EH		 1309 } else if (cores == 0) {
1310 threads = threads > 0 ? threads : 1;
1311 cores = cpus / (sockets * threads);
66f37d36 1312 cores = cores > 0 ? cores : 1;
ec2cbbdd 1313 } else if (threads == 0) {
719cac1c 1314 threads = cpus / (cores * sockets);
66f37d36 1315 threads = threads > 0 ? threads : 1;
ec2cbbdd 1316 } else if (sockets * cores * threads < cpus) {
f61eddcb
EH		 1317 error_report("cpu topology: "
1318 "sockets (%u) * cores (%u) * threads (%u) < "
1319 "smp_cpus (%u)",
1320 sockets, cores, threads, cpus);
ec2cbbdd 1321 exit(1);
dc6b1c09 1322 }
12b7f57e 1323
a32ef3bf 1324 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
0544edd8 1325
0544edd8
AJ		 1326 if (max_cpus < cpus) {
1327 error_report("maxcpus must be equal to or greater than smp");
1328 exit(1);
1329 }
1330
a32ef3bf 1331 if (sockets * cores * threads > max_cpus) {
f61eddcb
EH		 1332 error_report("cpu topology: "
1333 "sockets (%u) * cores (%u) * threads (%u) > "
1334 "maxcpus (%u)",
1335 sockets, cores, threads, max_cpus);
a32ef3bf
TH		 1336 exit(1);
1337 }
12b7f57e
MT		 1338
1339 smp_cpus = cpus;
0544edd8
AJ		 1340 smp_cores = cores;
1341 smp_threads = threads;
12b7f57e
MT		 1342 }
1343
0544edd8 1344 if (smp_cpus > 1) {
0194749a
PD		 1345 Error *blocker = NULL;
1346 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1347 replay_add_blocker(blocker);
1348 }
dc6b1c09
AP		 1349}
1350
28d16f38 1351static void realtime_init(void)
888a6bc6 1352{
888a6bc6
SM		 1353 if (enable_mlock) {
1354 if (os_mlock() < 0) {
f61eddcb 1355 error_report("locking memory failed");
888a6bc6
SM		 1356 exit(1);
1357 }
1358 }
1359}
1360
5e2ac519
SA		 1361
1362static void configure_msg(QemuOpts *opts)
1363{
1364 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1365}
1366
cfe67cef
LA		 1367/***********************************************************/
1368/* Semihosting */
1369
1370typedef struct SemihostingConfig {
1371 bool enabled;
1372 SemihostingTarget target;
a59d31a1
LA		 1373 const char **argv;
1374 int argc;
1375 const char *cmdline; /* concatenated argv */
cfe67cef
LA		 1376} SemihostingConfig;
1377
1378static SemihostingConfig semihosting;
1379
1380bool semihosting_enabled(void)
1381{
1382 return semihosting.enabled;
1383}
1384
1385SemihostingTarget semihosting_get_target(void)
1386{
1387 return semihosting.target;
1388}
1389
a59d31a1
LA		 1390const char *semihosting_get_arg(int i)
1391{
1392 if (i >= semihosting.argc) {
1393 return NULL;
1394 }
1395 return semihosting.argv[i];
1396}
1397
1398int semihosting_get_argc(void)
1399{
1400 return semihosting.argc;
1401}
1402
1403const char *semihosting_get_cmdline(void)
1404{
1405 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1406 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1407 }
1408 return semihosting.cmdline;
1409}
1410
1411static int add_semihosting_arg(void *opaque,
1412 const char *name, const char *val,
1413 Error **errp)
1414{
1415 SemihostingConfig *s = opaque;
1416 if (strcmp(name, "arg") == 0) {
1417 s->argc++;
1418 /* one extra element as g_strjoinv() expects NULL-terminated array */
1419 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1420 s->argv[s->argc - 1] = val;
1421 s->argv[s->argc] = NULL;
1422 }
1423 return 0;
1424}
1425
1426/* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1427static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1428{
1429 char *cmd_token;
1430
1431 /* argv[0] */
1432 add_semihosting_arg(&semihosting, "arg", file, NULL);
1433
1434 /* split -append and initialize argv[1..n] */
1435 cmd_token = strtok(g_strdup(cmd), " ");
1436 while (cmd_token) {
1437 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1438 cmd_token = strtok(NULL, " ");
1439 }
1440}
1441
79814179
TC		 1442/* Now we still need this for compatibility with XEN. */
1443bool has_igd_gfx_passthru;
1444static void igd_gfx_passthru(void)
1445{
1446 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1447}
1448
a594cfbf
FB		 1449/***********************************************************/
1450/* USB devices */
1451
fb08000c 1452static int usb_device_add(const char *devname)
a594cfbf 1453{
a5d2f727 1454 USBDevice *dev = NULL;
615fe4de
MR		 1455#ifndef CONFIG_LINUX
1456 const char *p;
1457#endif
a594cfbf 1458
4bcbe0b6 1459 if (!machine_usb(current_machine)) {
a594cfbf 1460 return -1;
094b287f 1461 }
a594cfbf 1462
0958b4cc
GH		 1463 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1464 dev = usbdevice_create(devname);
1465 if (dev)
1466 goto done;
1467
a5d2f727 1468 /* the other ones */
e447fc63
GH		 1469#ifndef CONFIG_LINUX
1470 /* only the linux version is qdev-ified, usb-bsd still needs this */
a594cfbf 1471 if (strstart(devname, "host:", &p)) {
3741715c 1472 dev = usb_host_device_open(usb_bus_find(-1), p);
a594cfbf 1473 }
615fe4de 1474#endif
0d92ed30
PB		 1475 if (!dev)
1476 return -1;
1477
a5d2f727 1478done:
a594cfbf
FB		 1479 return 0;
1480}
1481
1f3870ab
AL		 1482static int usb_device_del(const char *devname)
1483{
1484 int bus_num, addr;
1485 const char *p;
1486
1a3973b3
GH		 1487 if (strstart(devname, "host:", &p)) {
1488 return -1;
1489 }
5d0c5750 1490
4bcbe0b6 1491 if (!machine_usb(current_machine)) {
1f3870ab 1492 return -1;
094b287f 1493 }
1f3870ab
AL		 1494
1495 p = strchr(devname, '.');
1496 if (!p)
1497 return -1;
1498 bus_num = strtoul(devname, NULL, 0);
1499 addr = strtoul(p + 1, NULL, 0);
1500
a5d2f727 1501 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL		 1502}
1503
bd3c948d
GH		 1504static int usb_parse(const char *cmdline)
1505{
59d1c1c2 1506 int r;
fb08000c 1507 r = usb_device_add(cmdline);
59d1c1c2 1508 if (r < 0) {
f61eddcb 1509 error_report("could not add USB device '%s'", cmdline);
59d1c1c2
ST		 1510 }
1511 return r;
bd3c948d
GH		 1512}
1513
3e5a50d6 1514void hmp_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 1515{
59d1c1c2 1516 const char *devname = qdict_get_str(qdict, "devname");
b813bed1
TH		 1517
1518 error_report("usb_add is deprecated, please use device_add instead");
1519
fb08000c 1520 if (usb_device_add(devname) < 0) {
1ecda02b 1521 error_report("could not add USB device '%s'", devname);
59d1c1c2 1522 }
a594cfbf
FB		 1523}
1524
3e5a50d6 1525void hmp_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 1526{
59d1c1c2 1527 const char *devname = qdict_get_str(qdict, "devname");
b813bed1
TH		 1528
1529 error_report("usb_del is deprecated, please use device_del instead");
1530
59d1c1c2 1531 if (usb_device_del(devname) < 0) {
1ecda02b 1532 error_report("could not delete USB device '%s'", devname);
59d1c1c2 1533 }
a594cfbf
FB		 1534}
1535
cc1daa40
FB		 1536/***********************************************************/
1537/* machine registration */
1538
0056ae24 1539MachineState *current_machine;
cc1daa40 1540
0056ae24 1541static MachineClass *find_machine(const char *name)
cc1daa40 1542{
261747f1 1543 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
0056ae24 1544 MachineClass *mc = NULL;
cc1daa40 1545
261747f1 1546 for (el = machines; el; el = el->next) {
0056ae24 1547 MachineClass *temp = el->data;
261747f1 1548
958db90c 1549 if (!strcmp(temp->name, name)) {
0056ae24 1550 mc = temp;
261747f1
MA		 1551 break;
1552 }
958db90c
MA		 1553 if (temp->alias &&
1554 !strcmp(temp->alias, name)) {
0056ae24 1555 mc = temp;
261747f1
MA		 1556 break;
1557 }
cc1daa40 1558 }
261747f1
MA		 1559
1560 g_slist_free(machines);
0056ae24 1561 return mc;
cc1daa40
FB		 1562}
1563
0056ae24 1564MachineClass *find_default_machine(void)
0c257437 1565{
261747f1 1566 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
0056ae24 1567 MachineClass *mc = NULL;
0c257437 1568
261747f1 1569 for (el = machines; el; el = el->next) {
0056ae24 1570 MachineClass *temp = el->data;
261747f1 1571
958db90c 1572 if (temp->is_default) {
0056ae24 1573 mc = temp;
261747f1 1574 break;
0c257437
AL		 1575 }
1576 }
261747f1
MA		 1577
1578 g_slist_free(machines);
0056ae24 1579 return mc;
0c257437
AL		 1580}
1581
01d3c80d
AL		 1582MachineInfoList *qmp_query_machines(Error **errp)
1583{
261747f1 1584 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
01d3c80d 1585 MachineInfoList *mach_list = NULL;
01d3c80d 1586
261747f1
MA		 1587 for (el = machines; el; el = el->next) {
1588 MachineClass *mc = el->data;
01d3c80d
AL		 1589 MachineInfoList *entry;
1590 MachineInfo *info;
1591
1592 info = g_malloc0(sizeof(*info));
958db90c 1593 if (mc->is_default) {
01d3c80d
AL		 1594 info->has_is_default = true;
1595 info->is_default = true;
1596 }
1597
958db90c 1598 if (mc->alias) {
01d3c80d 1599 info->has_alias = true;
958db90c 1600 info->alias = g_strdup(mc->alias);
01d3c80d
AL		 1601 }
1602
958db90c
MA		 1603 info->name = g_strdup(mc->name);
1604 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
c5514d0e 1605 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
01d3c80d
AL		 1606
1607 entry = g_malloc0(sizeof(*entry));
1608 entry->value = info;
1609 entry->next = mach_list;
1610 mach_list = entry;
1611 }
1612
261747f1 1613 g_slist_free(machines);
01d3c80d
AL		 1614 return mach_list;
1615}
1616
52eb3dfd
MA		 1617static int machine_help_func(QemuOpts *opts, MachineState *machine)
1618{
1619 ObjectProperty *prop;
7746abd8 1620 ObjectPropertyIterator iter;
52eb3dfd
MA		 1621
1622 if (!qemu_opt_has_help_opt(opts)) {
1623 return 0;
1624 }
1625
7746abd8
DB		 1626 object_property_iter_init(&iter, OBJECT(machine));
1627 while ((prop = object_property_iter_next(&iter))) {
52eb3dfd
MA		 1628 if (!prop->set) {
1629 continue;
1630 }
1631
1632 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1633 prop->name, prop->type);
1634 if (prop->description) {
1635 error_printf(" (%s)\n", prop->description);
1636 } else {
1637 error_printf("\n");
1638 }
1639 }
1640
1641 return 1;
1642}
1643
8a7ddc38
FB		 1644/***********************************************************/
1645/* main execution loop */
1646
0bd48850
FB		 1647struct vm_change_state_entry {
1648 VMChangeStateHandler *cb;
1649 void *opaque;
72cf2d4f 1650 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB		 1651};
1652
72cf2d4f 1653static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB		 1654
1655VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1656 void *opaque)
1657{
1658 VMChangeStateEntry *e;
1659
7267c094 1660 e = g_malloc0(sizeof (*e));
0bd48850
FB		 1661
1662 e->cb = cb;
1663 e->opaque = opaque;
72cf2d4f 1664 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB		 1665 return e;
1666}
1667
1668void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1669{
72cf2d4f 1670 QLIST_REMOVE (e, entries);
7267c094 1671 g_free (e);
0bd48850
FB		 1672}
1673
1dfb4dd9 1674void vm_state_notify(int running, RunState state)
0bd48850 1675{
9b10ac86 1676 VMChangeStateEntry *e, *next;
0bd48850 1677
1dfb4dd9 1678 trace_vm_state_notify(running, state);
94b0b5ff 1679
9b10ac86 1680 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1dfb4dd9 1681 e->cb(e->opaque, running, state);
0bd48850
FB		 1682 }
1683}
1684
aedbe192
EB		 1685static ShutdownCause reset_requested;
1686static ShutdownCause shutdown_requested;
1687static int shutdown_signal;
f64622c4 1688static pid_t shutdown_pid;
3475187d 1689static int powerdown_requested;
8cf71710 1690static int debug_requested;
95b363b5 1691static int suspend_requested;
4bc78a87 1692static WakeupReason wakeup_reason;
a9552c8e
IM		 1693static NotifierList powerdown_notifiers =
1694 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
95b363b5
GH		 1695static NotifierList suspend_notifiers =
1696 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1697static NotifierList wakeup_notifiers =
1698 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
4bc78a87 1699static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
bb0c6722 1700
aedbe192 1701ShutdownCause qemu_shutdown_requested_get(void)
1291eb35
AP		 1702{
1703 return shutdown_requested;
1704}
1705
aedbe192 1706ShutdownCause qemu_reset_requested_get(void)
1291eb35
AP		 1707{
1708 return reset_requested;
1709}
1710
4fdcac0e 1711static int qemu_shutdown_requested(void)
cf7a2fe2 1712{
aedbe192 1713 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
cf7a2fe2
AJ		 1714}
1715
4fdcac0e 1716static void qemu_kill_report(void)
f64622c4 1717{
7af88279 1718 if (!qtest_driver() && shutdown_signal) {
f1d3fb04
PM		 1719 if (shutdown_pid == 0) {
1720 /* This happens for eg ^C at the terminal, so it's worth
1721 * avoiding printing an odd message in that case.
1722 */
f61eddcb 1723 error_report("terminating on signal %d", shutdown_signal);
f1d3fb04 1724 } else {
fbe7e332
MP		 1725 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1726
1727 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1728 shutdown_signal, shutdown_pid,
1729 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1730 g_free(shutdown_cmd);
f1d3fb04 1731 }
7af88279 1732 shutdown_signal = 0;
f64622c4
GN		 1733 }
1734}
1735
aedbe192 1736static ShutdownCause qemu_reset_requested(void)
cf7a2fe2 1737{
aedbe192
EB		 1738 ShutdownCause r = reset_requested;
1739
8bd7f71d 1740 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
aedbe192 1741 reset_requested = SHUTDOWN_CAUSE_NONE;
8bd7f71d
PD		 1742 return r;
1743 }
aedbe192 1744 return SHUTDOWN_CAUSE_NONE;
cf7a2fe2
AJ		 1745}
1746
95b363b5
GH		 1747static int qemu_suspend_requested(void)
1748{
1749 int r = suspend_requested;
8bd7f71d
PD		 1750 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1751 suspend_requested = 0;
1752 return r;
1753 }
1754 return false;
95b363b5
GH		 1755}
1756
4bc78a87 1757static WakeupReason qemu_wakeup_requested(void)
14058196 1758{
4bc78a87 1759 return wakeup_reason;
14058196
LC		 1760}
1761
4fdcac0e 1762static int qemu_powerdown_requested(void)
cf7a2fe2
AJ		 1763{
1764 int r = powerdown_requested;
1765 powerdown_requested = 0;
1766 return r;
1767}
1768
e568902a
AL		 1769static int qemu_debug_requested(void)
1770{
1771 int r = debug_requested;
1772 debug_requested = 0;
1773 return r;
1774}
1775
aedbe192
EB		 1776/*
1777 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1778 */
1779void qemu_system_reset(ShutdownCause reason)
be522029 1780{
0056ae24
MA		 1781 MachineClass *mc;
1782
1783 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1784
efdaf797
DG		 1785 cpu_synchronize_all_states();
1786
958db90c
MA		 1787 if (mc && mc->reset) {
1788 mc->reset();
be522029
DG		 1789 } else {
1790 qemu_devices_reset();
1791 }
aedbe192 1792 if (reason) {
08fba7ac
EB		 1793 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1794 &error_abort);
e063eb1f 1795 }
ea375f9a 1796 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1797}
1798
c86f106b 1799void qemu_system_guest_panicked(GuestPanicInformation *info)
5f5b5942 1800{
f47291b7
AN		 1801 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1802
bac05aa9
AS		 1803 if (current_cpu) {
1804 current_cpu->crash_occurred = true;
1805 }
c86f106b
AN		 1806 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1807 !!info, info, &error_abort);
5f5b5942 1808 vm_stop(RUN_STATE_GUEST_PANICKED);
864111f4
CB		 1809 if (!no_shutdown) {
1810 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
c86f106b 1811 !!info, info, &error_abort);
cf83f140 1812 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
864111f4 1813 }
c86f106b
AN		 1814
1815 if (info) {
e8ed97a6 1816 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
f47291b7
AN		 1817 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1818 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
e8ed97a6
AN		 1819 info->u.hyper_v.arg1,
1820 info->u.hyper_v.arg2,
1821 info->u.hyper_v.arg3,
1822 info->u.hyper_v.arg4,
1823 info->u.hyper_v.arg5);
f47291b7 1824 }
c86f106b
AN		 1825 qapi_free_GuestPanicInformation(info);
1826 }
5f5b5942
AS		 1827}
1828
cf83f140 1829void qemu_system_reset_request(ShutdownCause reason)
bb0c6722 1830{
d1beab82 1831 if (no_reboot) {
cf83f140 1832 shutdown_requested = reason;
d1beab82 1833 } else {
cf83f140 1834 reset_requested = reason;
d1beab82 1835 }
b4a3d965 1836 cpu_stop_current();
d9f75a4e 1837 qemu_notify_event();
bb0c6722
FB		 1838}
1839
95b363b5
GH		 1840static void qemu_system_suspend(void)
1841{
1842 pause_all_vcpus();
1843 notifier_list_notify(&suspend_notifiers, NULL);
ad02b96a 1844 runstate_set(RUN_STATE_SUSPENDED);
1d11a95a 1845 qapi_event_send_suspend(&error_abort);
95b363b5
GH		 1846}
1847
1848void qemu_system_suspend_request(void)
1849{
9abc62f6 1850 if (runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1851 return;
1852 }
1853 suspend_requested = 1;
1854 cpu_stop_current();
1855 qemu_notify_event();
1856}
1857
1858void qemu_register_suspend_notifier(Notifier *notifier)
1859{
1860 notifier_list_add(&suspend_notifiers, notifier);
1861}
1862
1863void qemu_system_wakeup_request(WakeupReason reason)
1864{
4fed9421
AK		 1865 trace_system_wakeup_request(reason);
1866
9abc62f6 1867 if (!runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1868 return;
1869 }
1870 if (!(wakeup_reason_mask & (1 << reason))) {
1871 return;
1872 }
ad02b96a 1873 runstate_set(RUN_STATE_RUNNING);
4bc78a87 1874 wakeup_reason = reason;
95b363b5 1875 qemu_notify_event();
95b363b5
GH		 1876}
1877
1878void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1879{
1880 if (enabled) {
1881 wakeup_reason_mask |= (1 << reason);
1882 } else {
1883 wakeup_reason_mask &= ~(1 << reason);
1884 }
1885}
1886
1887void qemu_register_wakeup_notifier(Notifier *notifier)
1888{
1889 notifier_list_add(&wakeup_notifiers, notifier);
1890}
1891
f64622c4
GN		 1892void qemu_system_killed(int signal, pid_t pid)
1893{
1894 shutdown_signal = signal;
1895 shutdown_pid = pid;
d9389b96 1896 no_shutdown = 0;
8bd7f71d
PD		 1897
1898 /* Cannot call qemu_system_shutdown_request directly because
1899 * we are in a signal handler.
1900 */
aedbe192 1901 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
8bd7f71d 1902 qemu_notify_event();
f64622c4
GN		 1903}
1904
cf83f140 1905void qemu_system_shutdown_request(ShutdownCause reason)
bb0c6722 1906{
cf83f140
EB		 1907 trace_qemu_system_shutdown_request(reason);
1908 replay_shutdown_request(reason);
1909 shutdown_requested = reason;
d9f75a4e 1910 qemu_notify_event();
bb0c6722
FB		 1911}
1912
013c2f15
IM		 1913static void qemu_system_powerdown(void)
1914{
0aab9ec3 1915 qapi_event_send_powerdown(&error_abort);
013c2f15
IM		 1916 notifier_list_notify(&powerdown_notifiers, NULL);
1917}
1918
3475187d
FB		 1919void qemu_system_powerdown_request(void)
1920{
bc78cff9 1921 trace_qemu_system_powerdown_request();
3475187d 1922 powerdown_requested = 1;
d9f75a4e
AL		 1923 qemu_notify_event();
1924}
1925
a9552c8e
IM		 1926void qemu_register_powerdown_notifier(Notifier *notifier)
1927{
1928 notifier_list_add(&powerdown_notifiers, notifier);
1929}
1930
8cf71710
JK		 1931void qemu_system_debug_request(void)
1932{
1933 debug_requested = 1;
83f338f7 1934 qemu_notify_event();
8cf71710
JK		 1935}
1936
99435906
PB		 1937static bool main_loop_should_exit(void)
1938{
1939 RunState r;
aedbe192
EB		 1940 ShutdownCause request;
1941
99435906
PB		 1942 if (qemu_debug_requested()) {
1943 vm_stop(RUN_STATE_DEBUG);
1944 }
95b363b5
GH		 1945 if (qemu_suspend_requested()) {
1946 qemu_system_suspend();
1947 }
aedbe192
EB		 1948 request = qemu_shutdown_requested();
1949 if (request) {
99435906 1950 qemu_kill_report();
08fba7ac
EB		 1951 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1952 &error_abort);
99435906
PB		 1953 if (no_shutdown) {
1954 vm_stop(RUN_STATE_SHUTDOWN);
1955 } else {
1956 return true;
1957 }
1958 }
aedbe192
EB		 1959 request = qemu_reset_requested();
1960 if (request) {
99435906 1961 pause_all_vcpus();
aedbe192 1962 qemu_system_reset(request);
99435906 1963 resume_all_vcpus();
7ec13c79
DL		 1964 if (!runstate_check(RUN_STATE_RUNNING) &&
1965 !runstate_check(RUN_STATE_INMIGRATE)) {
1966 runstate_set(RUN_STATE_PRELAUNCH);
99435906
PB		 1967 }
1968 }
14058196
LC		 1969 if (qemu_wakeup_requested()) {
1970 pause_all_vcpus();
aedbe192 1971 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4bc78a87
LJ		 1972 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1973 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
14058196 1974 resume_all_vcpus();
7a906f7f 1975 qapi_event_send_wakeup(&error_abort);
14058196 1976 }
99435906 1977 if (qemu_powerdown_requested()) {
013c2f15 1978 qemu_system_powerdown();
99435906
PB		 1979 }
1980 if (qemu_vmstop_requested(&r)) {
1981 vm_stop(r);
1982 }
1983 return false;
1984}
1985
43b96858
AL		 1986static void main_loop(void)
1987{
8e1b90ec
JK		 1988#ifdef CONFIG_PROFILER
1989 int64_t ti;
1990#endif
99435906 1991 do {
89bfc105 1992#ifdef CONFIG_PROFILER
46481d39 1993 ti = profile_getclock();
89bfc105 1994#endif
e330c118 1995 main_loop_wait(false);
89bfc105 1996#ifdef CONFIG_PROFILER
46481d39 1997 dev_time += profile_getclock() - ti;
89bfc105 1998#endif
99435906 1999 } while (!main_loop_should_exit());
b4608c04
FB		 2000}
2001
9bd7e6d9
PB		 2002static void version(void)
2003{
0781dd6e 2004 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
d915b7bb 2005 QEMU_COPYRIGHT "\n");
9bd7e6d9
PB		 2006}
2007
15f82208 2008static void help(int exitcode)
0824d6fc 2009{
a3adb7ad
ME		 2010 version();
2011 printf("usage: %s [options] [disk_image]\n\n"
2012 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2013 error_get_progname());
2014
77bd1119
ME		 2015#define QEMU_OPTIONS_GENERATE_HELP
2016#include "qemu-options-wrapper.h"
a3adb7ad
ME		 2017
2018 printf("\nDuring emulation, the following keys are useful:\n"
3f020d70 2019 "ctrl-alt-f toggle full screen\n"
2020 "ctrl-alt-n switch to virtual console 'n'\n"
2021 "ctrl-alt toggle mouse and keyboard grab\n"
2022 "\n"
f5048cb7
EB		 2023 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2024 "\n"
2025 QEMU_HELP_BOTTOM "\n");
a3adb7ad 2026
15f82208 2027 exit(exitcode);
0824d6fc
FB		 2028}
2029
cd6f1169
FB		 2030#define HAS_ARG 0x0001
2031
cd6f1169
FB		 2032typedef struct QEMUOption {
2033 const char *name;
2034 int flags;
2035 int index;
ad96090a 2036 uint32_t arch_mask;
cd6f1169
FB		 2037} QEMUOption;
2038
dbed7e40 2039static const QEMUOption qemu_options[] = {
ad96090a 2040 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
77bd1119
ME		 2041#define QEMU_OPTIONS_GENERATE_OPTIONS
2042#include "qemu-options-wrapper.h"
cd6f1169 2043 { NULL },
fc01f7e7 2044};
a369da5f 2045
8c9a2b71
EH		 2046typedef struct VGAInterfaceInfo {
2047 const char *opt_name; /* option name */
2048 const char *name; /* human-readable name */
c2c7b22d
EH		 2049 /* Class names indicating that support is available.
2050 * If no class is specified, the interface is always available */
2051 const char *class_names[2];
8c9a2b71
EH		 2052} VGAInterfaceInfo;
2053
2054static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2055 [VGA_NONE] = {
2056 .opt_name = "none",
2057 },
2058 [VGA_STD] = {
2059 .opt_name = "std",
2060 .name = "standard VGA",
c2c7b22d 2061 .class_names = { "VGA", "isa-vga" },
8c9a2b71
EH		 2062 },
2063 [VGA_CIRRUS] = {
2064 .opt_name = "cirrus",
2065 .name = "Cirrus VGA",
c2c7b22d 2066 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
8c9a2b71
EH		 2067 },
2068 [VGA_VMWARE] = {
2069 .opt_name = "vmware",
2070 .name = "VMWare SVGA",
c2c7b22d 2071 .class_names = { "vmware-svga" },
8c9a2b71
EH		 2072 },
2073 [VGA_VIRTIO] = {
2074 .opt_name = "virtio",
2075 .name = "Virtio VGA",
c2c7b22d 2076 .class_names = { "virtio-vga" },
8c9a2b71
EH		 2077 },
2078 [VGA_QXL] = {
2079 .opt_name = "qxl",
2080 .name = "QXL VGA",
c2c7b22d 2081 .class_names = { "qxl-vga" },
8c9a2b71
EH		 2082 },
2083 [VGA_TCX] = {
2084 .opt_name = "tcx",
2085 .name = "TCX framebuffer",
c2c7b22d 2086 .class_names = { "SUNW,tcx" },
8c9a2b71
EH		 2087 },
2088 [VGA_CG3] = {
2089 .opt_name = "cg3",
2090 .name = "CG3 framebuffer",
c2c7b22d 2091 .class_names = { "cgthree" },
8c9a2b71
EH		 2092 },
2093 [VGA_XENFB] = {
2094 .opt_name = "xenfb",
2095 },
2096};
2097
c2c7b22d
EH		 2098static bool vga_interface_available(VGAInterfaceType t)
2099{
2100 VGAInterfaceInfo *ti = &vga_interfaces[t];
2101
2102 assert(t < VGA_TYPE_MAX);
2103 return !ti->class_names[0] ||
2104 object_class_by_name(ti->class_names[0]) ||
2105 object_class_by_name(ti->class_names[1]);
2106}
2107
8c9a2b71 2108static void select_vgahw(const char *p)
3893c124 2109{
2110 const char *opts;
8c9a2b71 2111 int t;
3893c124 2112
d44229c5 2113 assert(vga_interface_type == VGA_NONE);
8c9a2b71
EH		 2114 for (t = 0; t < VGA_TYPE_MAX; t++) {
2115 VGAInterfaceInfo *ti = &vga_interfaces[t];
2116 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
c2c7b22d 2117 if (!vga_interface_available(t)) {
8c9a2b71
EH		 2118 error_report("%s not available", ti->name);
2119 exit(1);
2120 }
2121 vga_interface_type = t;
2122 break;
af87bf29 2123 }
8c9a2b71
EH		 2124 }
2125 if (t == VGA_TYPE_MAX) {
3893c124 2126 invalid_vga:
3e515373 2127 error_report("unknown vga type: %s", p);
3893c124 2128 exit(1);
2129 }
cb5a7aa8 2130 while (*opts) {
2131 const char *nextopt;
2132
2133 if (strstart(opts, ",retrace=", &nextopt)) {
2134 opts = nextopt;
2135 if (strstart(opts, "dumb", &nextopt))
2136 vga_retrace_method = VGA_RETRACE_DUMB;
2137 else if (strstart(opts, "precise", &nextopt))
2138 vga_retrace_method = VGA_RETRACE_PRECISE;
2139 else goto invalid_vga;
2140 } else goto invalid_vga;
2141 opts = nextopt;
2142 }
3893c124 2143}
2144
0cb48c46
EH		 2145typedef enum DisplayType {
2146 DT_DEFAULT,
2147 DT_CURSES,
2148 DT_SDL,
2149 DT_COCOA,
2150 DT_GTK,
bb1599b6 2151 DT_EGL,
0cb48c46
EH		 2152 DT_NONE,
2153} DisplayType;
2154
1472a95b
JS		 2155static DisplayType select_display(const char *p)
2156{
2157 const char *opts;
2158 DisplayType display = DT_DEFAULT;
2159
2160 if (strstart(p, "sdl", &opts)) {
2161#ifdef CONFIG_SDL
2162 display = DT_SDL;
2163 while (*opts) {
2164 const char *nextopt;
2165
2166 if (strstart(opts, ",frame=", &nextopt)) {
2167 opts = nextopt;
2168 if (strstart(opts, "on", &nextopt)) {
2169 no_frame = 0;
2170 } else if (strstart(opts, "off", &nextopt)) {
2171 no_frame = 1;
2172 } else {
05175535 2173 goto invalid_sdl_args;
1472a95b
JS		 2174 }
2175 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2176 opts = nextopt;
2177 if (strstart(opts, "on", &nextopt)) {
2178 alt_grab = 1;
2179 } else if (strstart(opts, "off", &nextopt)) {
2180 alt_grab = 0;
2181 } else {
05175535 2182 goto invalid_sdl_args;
1472a95b
JS		 2183 }
2184 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2185 opts = nextopt;
2186 if (strstart(opts, "on", &nextopt)) {
2187 ctrl_grab = 1;
2188 } else if (strstart(opts, "off", &nextopt)) {
2189 ctrl_grab = 0;
2190 } else {
05175535 2191 goto invalid_sdl_args;
1472a95b
JS		 2192 }
2193 } else if (strstart(opts, ",window_close=", &nextopt)) {
2194 opts = nextopt;
2195 if (strstart(opts, "on", &nextopt)) {
2196 no_quit = 0;
2197 } else if (strstart(opts, "off", &nextopt)) {
2198 no_quit = 1;
2199 } else {
05175535 2200 goto invalid_sdl_args;
1472a95b 2201 }
0b71a5d5
GH		 2202 } else if (strstart(opts, ",gl=", &nextopt)) {
2203 opts = nextopt;
2204 if (strstart(opts, "on", &nextopt)) {
2205 request_opengl = 1;
2206 } else if (strstart(opts, "off", &nextopt)) {
2207 request_opengl = 0;
2208 } else {
2209 goto invalid_sdl_args;
2210 }
1472a95b 2211 } else {
05175535 2212 invalid_sdl_args:
3e515373 2213 error_report("invalid SDL option string");
05175535 2214 exit(1);
1472a95b
JS		 2215 }
2216 opts = nextopt;
2217 }
2218#else
c6bf0f7f 2219 error_report("SDL support is disabled");
1472a95b
JS		 2220 exit(1);
2221#endif
3264ff12 2222 } else if (strstart(p, "vnc", &opts)) {
4db14629 2223 if (*opts == '=') {
7b1ee0f2 2224 vnc_parse(opts + 1, &error_fatal);
4db14629 2225 } else {
c6bf0f7f 2226 error_report("VNC requires a display argument vnc=<display>");
3264ff12
JS		 2227 exit(1);
2228 }
bb1599b6 2229 } else if (strstart(p, "egl-headless", &opts)) {
371ec54e 2230#ifdef CONFIG_OPENGL_DMABUF
bb1599b6
GH		 2231 request_opengl = 1;
2232 display_opengl = 1;
2233 display = DT_EGL;
2234#else
2235 fprintf(stderr, "egl support is disabled\n");
2236 exit(1);
2237#endif
1472a95b
JS		 2238 } else if (strstart(p, "curses", &opts)) {
2239#ifdef CONFIG_CURSES
2240 display = DT_CURSES;
2241#else
3e515373 2242 error_report("curses support is disabled");
1472a95b 2243 exit(1);
15546425
AL		 2244#endif
2245 } else if (strstart(p, "gtk", &opts)) {
2246#ifdef CONFIG_GTK
2247 display = DT_GTK;
881249c7
JK		 2248 while (*opts) {
2249 const char *nextopt;
2250
2251 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2252 opts = nextopt;
2253 if (strstart(opts, "on", &nextopt)) {
2254 grab_on_hover = true;
2255 } else if (strstart(opts, "off", &nextopt)) {
2256 grab_on_hover = false;
2257 } else {
2258 goto invalid_gtk_args;
2259 }
97edf3bd
GH		 2260 } else if (strstart(opts, ",gl=", &nextopt)) {
2261 opts = nextopt;
2262 if (strstart(opts, "on", &nextopt)) {
2263 request_opengl = 1;
2264 } else if (strstart(opts, "off", &nextopt)) {
2265 request_opengl = 0;
2266 } else {
2267 goto invalid_gtk_args;
2268 }
881249c7
JK		 2269 } else {
2270 invalid_gtk_args:
3e515373 2271 error_report("invalid GTK option string");
881249c7
JK		 2272 exit(1);
2273 }
2274 opts = nextopt;
2275 }
15546425 2276#else
c6bf0f7f 2277 error_report("GTK support is disabled");
15546425 2278 exit(1);
1472a95b 2279#endif
4171d32e
JS		 2280 } else if (strstart(p, "none", &opts)) {
2281 display = DT_NONE;
1472a95b 2282 } else {
3e515373 2283 error_report("unknown display type");
1472a95b
JS		 2284 exit(1);
2285 }
2286
2287 return display;
2288}
2289
7d4c3d53
MA		 2290static int balloon_parse(const char *arg)
2291{
382f0743 2292 QemuOpts *opts;
7d4c3d53 2293
382f0743
GH		 2294 if (strcmp(arg, "none") == 0) {
2295 return 0;
2296 }
2297
2298 if (!strncmp(arg, "virtio", 6)) {
2299 if (arg[6] == ',') {
2300 /* have params -> parse them */
70b94331
MA		 2301 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2302 false);
382f0743
GH		 2303 if (!opts)
2304 return -1;
2305 } else {
2306 /* create empty opts */
87ea75d5
PC		 2307 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2308 &error_abort);
7d4c3d53 2309 }
f43e47db 2310 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
382f0743 2311 return 0;
7d4c3d53 2312 }
382f0743
GH		 2313
2314 return -1;
7d4c3d53 2315}
7d4c3d53 2316
5cea8590
PB		 2317char *qemu_find_file(int type, const char *name)
2318{
4524051c 2319 int i;
5cea8590
PB		 2320 const char *subdir;
2321 char *buf;
2322
31783203
PM		 2323 /* Try the name as a straight path first */
2324 if (access(name, R_OK) == 0) {
4524051c 2325 trace_load_file(name, name);
7267c094 2326 return g_strdup(name);
5cea8590 2327 }
4524051c 2328
5cea8590
PB		 2329 switch (type) {
2330 case QEMU_FILE_TYPE_BIOS:
2331 subdir = "";
2332 break;
2333 case QEMU_FILE_TYPE_KEYMAP:
2334 subdir = "keymaps/";
2335 break;
2336 default:
2337 abort();
2338 }
4524051c
GH		 2339
2340 for (i = 0; i < data_dir_idx; i++) {
2341 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2342 if (access(buf, R_OK) == 0) {
2343 trace_load_file(name, buf);
2344 return buf;
2345 }
7267c094 2346 g_free(buf);
5cea8590 2347 }
4524051c 2348 return NULL;
5cea8590
PB		 2349}
2350
2a1cce90
GH		 2351static void qemu_add_data_dir(const char *path)
2352{
2353 int i;
2354
2355 if (path == NULL) {
2356 return;
2357 }
2358 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2359 return;
2360 }
2361 for (i = 0; i < data_dir_idx; i++) {
2362 if (strcmp(data_dir[i], path) == 0) {
2363 return; /* duplicate */
2364 }
2365 }
2366 data_dir[data_dir_idx++] = path;
2367}
2368
6407d76e
GS		 2369static inline bool nonempty_str(const char *str)
2370{
2371 return str && *str;
2372}
2373
81b2b810
GS		 2374static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2375{
2376 gchar *buf;
2377 size_t size;
6407d76e 2378 const char *name, *file, *str;
bab47d9a 2379 FWCfgState *fw_cfg = (FWCfgState *) opaque;
81b2b810 2380
bab47d9a 2381 if (fw_cfg == NULL) {
81b2b810
GS		 2382 error_report("fw_cfg device not available");
2383 return -1;
2384 }
2385 name = qemu_opt_get(opts, "name");
2386 file = qemu_opt_get(opts, "file");
6407d76e
GS		 2387 str = qemu_opt_get(opts, "string");
2388
2389 /* we need name and either a file or the content string */
2390 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2391 error_report("invalid argument(s)");
2392 return -1;
2393 }
2394 if (nonempty_str(file) && nonempty_str(str)) {
2395 error_report("file and string are mutually exclusive");
81b2b810
GS		 2396 return -1;
2397 }
2398 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2399 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2400 return -1;
2401 }
2402 if (strncmp(name, "opt/", 4) != 0) {
3dc6f869
AF		 2403 warn_report("externally provided fw_cfg item names "
2404 "should be prefixed with \"opt/\"");
81b2b810 2405 }
6407d76e
GS		 2406 if (nonempty_str(str)) {
2407 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2408 buf = g_memdup(str, size);
2409 } else {
2410 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2411 error_report("can't load %s", file);
2412 return -1;
2413 }
81b2b810 2414 }
bab47d9a
GH		 2415 /* For legacy, keep user files in a specific global order. */
2416 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2417 fw_cfg_add_file(fw_cfg, name, buf, size);
2418 fw_cfg_reset_order_override(fw_cfg);
81b2b810
GS		 2419 return 0;
2420}
2421
28d0de7a 2422static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
ff952ba2
MA		 2423{
2424 return qdev_device_help(opts);
2425}
2426
28d0de7a 2427static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
f31d07d1 2428{
f006cf7f 2429 Error *err = NULL;
f31d07d1
GH		 2430 DeviceState *dev;
2431
f006cf7f
MA		 2432 dev = qdev_device_add(opts, &err);
2433 if (!dev) {
2434 error_report_err(err);
f31d07d1 2435 return -1;
f006cf7f 2436 }
b09995ae 2437 object_unref(OBJECT(dev));
f31d07d1
GH		 2438 return 0;
2439}
2440
28d0de7a 2441static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1a688d3b 2442{
bd2d80b2 2443 Error *local_err = NULL;
1a688d3b 2444
0ec846bf
AN		 2445 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2446 if (local_err) {
2447 error_report_err(local_err);
2448 return -1;
2449 }
2450 exit(0);
bd2d80b2 2451 }
1a688d3b
GH		 2452 return 0;
2453}
2454
758e8e38 2455#ifdef CONFIG_VIRTFS
28d0de7a 2456static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
74db920c 2457{
9be38598 2458 return qemu_fsdev_add(opts);
74db920c
GS		 2459}
2460#endif
2461
28d0de7a 2462static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
88589343 2463{
0ec7b3e7 2464 Chardev *chr;
88589343
GH		 2465 const char *chardev;
2466 const char *mode;
2467 int flags;
2468
2469 mode = qemu_opt_get(opts, "mode");
2470 if (mode == NULL) {
2471 mode = "readline";
2472 }
2473 if (strcmp(mode, "readline") == 0) {
2474 flags = MONITOR_USE_READLINE;
2475 } else if (strcmp(mode, "control") == 0) {
2476 flags = MONITOR_USE_CONTROL;
2477 } else {
f61eddcb 2478 error_report("unknown monitor mode \"%s\"", mode);
88589343
GH		 2479 exit(1);
2480 }
2481
39eaab9a
DB		 2482 if (qemu_opt_get_bool(opts, "pretty", 0))
2483 flags |= MONITOR_USE_PRETTY;
2484
bdbcb547
MAL		 2485 if (qemu_opt_get_bool(opts, "default", 0)) {
2486 error_report("option 'default' does nothing and is deprecated");
2487 }
88589343
GH		 2488
2489 chardev = qemu_opt_get(opts, "chardev");
2490 chr = qemu_chr_find(chardev);
2491 if (chr == NULL) {
f61eddcb 2492 error_report("chardev \"%s\" not found", chardev);
88589343
GH		 2493 exit(1);
2494 }
2495
2496 monitor_init(chr, flags);
2497 return 0;
2498}
2499
4821cd4c 2500static void monitor_parse(const char *optarg, const char *mode, bool pretty)
88589343
GH		 2501{
2502 static int monitor_device_index = 0;
2503 QemuOpts *opts;
2504 const char *p;
2505 char label[32];
88589343
GH		 2506
2507 if (strstart(optarg, "chardev:", &p)) {
2508 snprintf(label, sizeof(label), "%s", p);
2509 } else {
140e065d
JK		 2510 snprintf(label, sizeof(label), "compat_monitor%d",
2511 monitor_device_index);
88589343
GH		 2512 opts = qemu_chr_parse_compat(label, optarg);
2513 if (!opts) {
f61eddcb 2514 error_report("parse error: %s", optarg);
88589343
GH		 2515 exit(1);
2516 }
2517 }
2518
822ac12d 2519 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
f43e47db
MA		 2520 qemu_opt_set(opts, "mode", mode, &error_abort);
2521 qemu_opt_set(opts, "chardev", label, &error_abort);
cccb7967 2522 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
88589343
GH		 2523 monitor_device_index++;
2524}
2525
bd3c948d
GH		 2526struct device_config {
2527 enum {
aee1b935
GH		 2528 DEV_USB, /* -usbdevice */
2529 DEV_BT, /* -bt */
2530 DEV_SERIAL, /* -serial */
2531 DEV_PARALLEL, /* -parallel */
2532 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2533 DEV_DEBUGCON, /* -debugcon */
ef0c4a0d 2534 DEV_GDB, /* -gdb, -s */
3ef669e1 2535 DEV_SCLP, /* s390 sclp */
bd3c948d
GH		 2536 } type;
2537 const char *cmdline;
d9a5954d 2538 Location loc;
72cf2d4f 2539 QTAILQ_ENTRY(device_config) next;
bd3c948d 2540};
4fdcac0e
BS		 2541
2542static QTAILQ_HEAD(, device_config) device_configs =
2543 QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2544
2545static void add_device_config(int type, const char *cmdline)
2546{
2547 struct device_config *conf;
2548
7267c094 2549 conf = g_malloc0(sizeof(*conf));
bd3c948d
GH		 2550 conf->type = type;
2551 conf->cmdline = cmdline;
d9a5954d 2552 loc_save(&conf->loc);
72cf2d4f 2553 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2554}
2555
2556static int foreach_device_config(int type, int (*func)(const char *cmdline))
2557{
2558 struct device_config *conf;
2559 int rc;
2560
72cf2d4f 2561 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2562 if (conf->type != type)
2563 continue;
d9a5954d 2564 loc_push_restore(&conf->loc);
bd3c948d 2565 rc = func(conf->cmdline);
d9a5954d 2566 loc_pop(&conf->loc);
28de2f88 2567 if (rc) {
bd3c948d 2568 return rc;
28de2f88 2569 }
bd3c948d
GH		 2570 }
2571 return 0;
2572}
2573
998bbd74
GH		 2574static int serial_parse(const char *devname)
2575{
2576 static int index = 0;
2577 char label[32];
2578
2579 if (strcmp(devname, "none") == 0)
2580 return 0;
2581 if (index == MAX_SERIAL_PORTS) {
f61eddcb 2582 error_report("too many serial ports");
998bbd74
GH		 2583 exit(1);
2584 }
2585 snprintf(label, sizeof(label), "serial%d", index);
b4948be9 2586 serial_hds[index] = qemu_chr_new(label, devname);
998bbd74 2587 if (!serial_hds[index]) {
f61eddcb
EH		 2588 error_report("could not connect serial device"
2589 " to character backend '%s'", devname);
998bbd74
GH		 2590 return -1;
2591 }
2592 index++;
2593 return 0;
2594}
2595
6a5e8b0e
GH		 2596static int parallel_parse(const char *devname)
2597{
2598 static int index = 0;
2599 char label[32];
2600
2601 if (strcmp(devname, "none") == 0)
2602 return 0;
2603 if (index == MAX_PARALLEL_PORTS) {
f61eddcb 2604 error_report("too many parallel ports");
6a5e8b0e
GH		 2605 exit(1);
2606 }
2607 snprintf(label, sizeof(label), "parallel%d", index);
b4948be9 2608 parallel_hds[index] = qemu_chr_new(label, devname);
6a5e8b0e 2609 if (!parallel_hds[index]) {
f61eddcb
EH		 2610 error_report("could not connect parallel device"
2611 " to character backend '%s'", devname);
6a5e8b0e
GH		 2612 return -1;
2613 }
2614 index++;
2615 return 0;
2616}
2617
aee1b935
GH		 2618static int virtcon_parse(const char *devname)
2619{
3329f07b 2620 QemuOptsList *device = qemu_find_opts("device");
aee1b935
GH		 2621 static int index = 0;
2622 char label[32];
392ecf54 2623 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH		 2624
2625 if (strcmp(devname, "none") == 0)
2626 return 0;
2627 if (index == MAX_VIRTIO_CONSOLES) {
f61eddcb 2628 error_report("too many virtio consoles");
aee1b935
GH		 2629 exit(1);
2630 }
392ecf54 2631
87ea75d5 2632 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
7b3fdbd9 2633 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
392ecf54 2634
87ea75d5 2635 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
f43e47db 2636 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
392ecf54 2637
aee1b935 2638 snprintf(label, sizeof(label), "virtcon%d", index);
b4948be9 2639 virtcon_hds[index] = qemu_chr_new(label, devname);
aee1b935 2640 if (!virtcon_hds[index]) {
f61eddcb
EH		 2641 error_report("could not connect virtio console"
2642 " to character backend '%s'", devname);
aee1b935
GH		 2643 return -1;
2644 }
f43e47db 2645 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
392ecf54 2646
aee1b935
GH		 2647 index++;
2648 return 0;
2649}
2650
3ef669e1
AG		 2651static int sclp_parse(const char *devname)
2652{
2653 QemuOptsList *device = qemu_find_opts("device");
2654 static int index = 0;
2655 char label[32];
2656 QemuOpts *dev_opts;
2657
2658 if (strcmp(devname, "none") == 0) {
2659 return 0;
2660 }
2661 if (index == MAX_SCLP_CONSOLES) {
f61eddcb 2662 error_report("too many sclp consoles");
3ef669e1
AG		 2663 exit(1);
2664 }
2665
2666 assert(arch_type == QEMU_ARCH_S390X);
2667
2668 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
f43e47db 2669 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
3ef669e1
AG		 2670
2671 snprintf(label, sizeof(label), "sclpcon%d", index);
b4948be9 2672 sclp_hds[index] = qemu_chr_new(label, devname);
3ef669e1 2673 if (!sclp_hds[index]) {
f61eddcb
EH		 2674 error_report("could not connect sclp console"
2675 " to character backend '%s'", devname);
3ef669e1
AG		 2676 return -1;
2677 }
f43e47db 2678 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
3ef669e1
AG		 2679
2680 index++;
2681 return 0;
2682}
2683
c9f398e5 2684static int debugcon_parse(const char *devname)
4d8b3c63 2685{
c9f398e5
PA		 2686 QemuOpts *opts;
2687
b4948be9 2688 if (!qemu_chr_new("debugcon", devname)) {
c9f398e5
PA		 2689 exit(1);
2690 }
8be7e7e4 2691 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
c9f398e5 2692 if (!opts) {
f61eddcb 2693 error_report("already have a debugcon device");
c9f398e5
PA		 2694 exit(1);
2695 }
f43e47db
MA		 2696 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2697 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
c9f398e5
PA		 2698 return 0;
2699}
2700
2709f263
LE		 2701static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2702{
2703 const MachineClass *mc1 = a, *mc2 = b;
2704 int res;
2705
2706 if (mc1->family == NULL) {
2707 if (mc2->family == NULL) {
2708 /* Compare standalone machine types against each other; they sort
2709 * in increasing order.
2710 */
2711 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2712 object_class_get_name(OBJECT_CLASS(mc2)));
2713 }
2714
2715 /* Standalone machine types sort after families. */
2716 return 1;
2717 }
2718
2719 if (mc2->family == NULL) {
2720 /* Families sort before standalone machine types. */
2721 return -1;
2722 }
2723
2724 /* Families sort between each other alphabetically increasingly. */
2725 res = strcmp(mc1->family, mc2->family);
2726 if (res != 0) {
2727 return res;
2728 }
2729
2730 /* Within the same family, machine types sort in decreasing order. */
2731 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2732 object_class_get_name(OBJECT_CLASS(mc1)));
2733}
2734
2735 static MachineClass *machine_parse(const char *name)
9052ea6b 2736{
0056ae24 2737 MachineClass *mc = NULL;
261747f1 2738 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
9052ea6b
JK		 2739
2740 if (name) {
0056ae24 2741 mc = find_machine(name);
9052ea6b 2742 }
0056ae24 2743 if (mc) {
02f292d9 2744 g_slist_free(machines);
0056ae24 2745 return mc;
9052ea6b 2746 }
025172d5 2747 if (name && !is_help_option(name)) {
3e515373 2748 error_report("unsupported machine type");
8afb9000 2749 error_printf("Use -machine help to list supported machines\n");
025172d5
MR		 2750 } else {
2751 printf("Supported machines are:\n");
2709f263 2752 machines = g_slist_sort(machines, machine_class_cmp);
025172d5
MR		 2753 for (el = machines; el; el = el->next) {
2754 MachineClass *mc = el->data;
958db90c
MA		 2755 if (mc->alias) {
2756 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
025172d5 2757 }
958db90c
MA		 2758 printf("%-20s %s%s\n", mc->name, mc->desc,
2759 mc->is_default ? " (default)" : "");
9052ea6b 2760 }
9052ea6b 2761 }
261747f1
MA		 2762
2763 g_slist_free(machines);
c8057f95 2764 exit(!name || !is_help_option(name));
9052ea6b
JK		 2765}
2766
fd42deeb
GH		 2767void qemu_add_exit_notifier(Notifier *notify)
2768{
2769 notifier_list_add(&exit_notifiers, notify);
2770}
2771
2772void qemu_remove_exit_notifier(Notifier *notify)
2773{
31552529 2774 notifier_remove(notify);
fd42deeb
GH		 2775}
2776
2777static void qemu_run_exit_notifiers(void)
2778{
9e8dd451 2779 notifier_list_notify(&exit_notifiers, NULL);
fd42deeb
GH		 2780}
2781
71cdd1cb
PB		 2782static bool machine_init_done;
2783
4cab946a
GN		 2784void qemu_add_machine_init_done_notifier(Notifier *notify)
2785{
2786 notifier_list_add(&machine_init_done_notifiers, notify);
71cdd1cb
PB		 2787 if (machine_init_done) {
2788 notify->notify(notify, NULL);
2789 }
4cab946a
GN		 2790}
2791
b86eacb8
MA		 2792void qemu_remove_machine_init_done_notifier(Notifier *notify)
2793{
2794 notifier_remove(notify);
2795}
2796
4cab946a
GN		 2797static void qemu_run_machine_init_done_notifiers(void)
2798{
9e8dd451 2799 notifier_list_notify(&machine_init_done_notifiers, NULL);
71cdd1cb 2800 machine_init_done = true;
4cab946a
GN		 2801}
2802
6530a97b
AL		 2803static const QEMUOption *lookup_opt(int argc, char **argv,
2804 const char **poptarg, int *poptind)
2805{
2806 const QEMUOption *popt;
2807 int optind = *poptind;
2808 char *r = argv[optind];
2809 const char *optarg;
2810
0f0bc3f1 2811 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2812 optind++;
2813 /* Treat --foo the same as -foo. */
2814 if (r[1] == '-')
2815 r++;
2816 popt = qemu_options;
2817 for(;;) {
2818 if (!popt->name) {
0f0bc3f1 2819 error_report("invalid option");
6530a97b
AL		 2820 exit(1);
2821 }
2822 if (!strcmp(popt->name, r + 1))
2823 break;
2824 popt++;
2825 }
2826 if (popt->flags & HAS_ARG) {
2827 if (optind >= argc) {
0f0bc3f1 2828 error_report("requires an argument");
6530a97b
AL		 2829 exit(1);
2830 }
2831 optarg = argv[optind++];
0f0bc3f1 2832 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2833 } else {
2834 optarg = NULL;
2835 }
2836
2837 *poptarg = optarg;
2838 *poptind = optind;
2839
2840 return popt;
2841}
2842
7580f231 2843static MachineClass *select_machine(void)
34f405ae 2844{
7580f231 2845 MachineClass *machine_class = find_default_machine();
34f405ae
MA		 2846 const char *optarg;
2847 QemuOpts *opts;
2848 Location loc;
2849
2850 loc_push_none(&loc);
2851
2852 opts = qemu_get_machine_opts();
2853 qemu_opts_loc_restore(opts);
2854
2855 optarg = qemu_opt_get(opts, "type");
2856 if (optarg) {
7580f231 2857 machine_class = machine_parse(optarg);
34f405ae
MA		 2858 }
2859
7580f231 2860 if (!machine_class) {
34f405ae
MA		 2861 error_report("No machine specified, and there is no default");
2862 error_printf("Use -machine help to list supported machines\n");
2863 exit(1);
2864 }
2865
2866 loc_pop(&loc);
7580f231 2867 return machine_class;
34f405ae
MA		 2868}
2869
71df1d83
MA		 2870static int machine_set_property(void *opaque,
2871 const char *name, const char *value,
2872 Error **errp)
68d98d3e
AL		 2873{
2874 Object *obj = OBJECT(opaque);
68d98d3e 2875 Error *local_err = NULL;
f279ee45 2876 char *p, *qom_name;
68d98d3e 2877
d2659e27 2878 if (strcmp(name, "type") == 0) {
68d98d3e
AL		 2879 return 0;
2880 }
2881
b0ddb8bf 2882 qom_name = g_strdup(name);
f279ee45
MA		 2883 for (p = qom_name; *p; p++) {
2884 if (*p == '_') {
2885 *p = '-';
b0ddb8bf
MA		 2886 }
2887 }
2888
2e16898a 2889 object_property_parse(obj, value, qom_name, &local_err);
b0ddb8bf 2890 g_free(qom_name);
68d98d3e
AL		 2891
2892 if (local_err) {
a720a390 2893 error_report_err(local_err);
68d98d3e
AL		 2894 return -1;
2895 }
2896
2897 return 0;
2898}
2899
f08f9271
DB		 2900
2901/*
2902 * Initial object creation happens before all other
2903 * QEMU data types are created. The majority of objects
2904 * can be created at this point. The rng-egd object
2905 * cannot be created here, as it depends on the chardev
2906 * already existing.
2907 */
2908static bool object_create_initial(const char *type)
2909{
7c9e5276
PB		 2910 if (g_str_equal(type, "rng-egd") ||
2911 g_str_has_prefix(type, "pr-manager-")) {
f08f9271
DB		 2912 return false;
2913 }
7dbb11c8 2914
9d3e12e8
TH		 2915 /*
2916 * return false for concrete netfilters since
2917 * they depend on netdevs already existing
2918 */
2919 if (g_str_equal(type, "filter-buffer") ||
f6d3afb5 2920 g_str_equal(type, "filter-dump") ||
d46f75b2 2921 g_str_equal(type, "filter-mirror") ||
7dce4e6f 2922 g_str_equal(type, "filter-redirector") ||
e6eee8ab 2923 g_str_equal(type, "colo-compare") ||
646c5478
PD		 2924 g_str_equal(type, "filter-rewriter") ||
2925 g_str_equal(type, "filter-replay")) {
7dbb11c8
YH		 2926 return false;
2927 }
2928
6546d0db
EH		 2929 /* Memory allocation by backends needs to be done
2930 * after configure_accelerator() (due to the tcg_enabled()
2931 * checks at memory_region_init_*()).
2932 *
2933 * Also, allocation of large amounts of memory may delay
2934 * chardev initialization for too long, and trigger timeouts
2935 * on software that waits for a monitor socket to be created
2936 * (e.g. libvirt).
2937 */
2938 if (g_str_has_prefix(type, "memory-backend-")) {
2939 return false;
2940 }
2941
f08f9271
DB		 2942 return true;
2943}
2944
2945
2946/*
2947 * The remainder of object creation happens after the
9abce56d 2948 * creation of chardev, fsdev, net clients and device data types.
f08f9271
DB		 2949 */
2950static bool object_create_delayed(const char *type)
2951{
2952 return !object_create_initial(type);
2953}
2954
2955
076b35b5
ND		 2956static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2957 MachineClass *mc)
3b9985e9
MA		 2958{
2959 uint64_t sz;
2960 const char *mem_str;
2961 const char *maxmem_str, *slots_str;
076b35b5 2962 const ram_addr_t default_ram_size = mc->default_ram_size;
3b9985e9 2963 QemuOpts *opts = qemu_find_opts_singleton("memory");
bbe2d25c
EH		 2964 Location loc;
2965
2966 loc_push_none(&loc);
2967 qemu_opts_loc_restore(opts);
3b9985e9
MA		 2968
2969 sz = 0;
2970 mem_str = qemu_opt_get(opts, "size");
2971 if (mem_str) {
2972 if (!*mem_str) {
2973 error_report("missing 'size' option value");
2974 exit(EXIT_FAILURE);
2975 }
2976
2977 sz = qemu_opt_get_size(opts, "size", ram_size);
2978
2979 /* Fix up legacy suffix-less format */
2980 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2981 uint64_t overflow_check = sz;
2982
2983 sz <<= 20;
2984 if ((sz >> 20) != overflow_check) {
2985 error_report("too large 'size' option value");
2986 exit(EXIT_FAILURE);
2987 }
2988 }
2989 }
2990
2991 /* backward compatibility behaviour for case "-m 0" */
2992 if (sz == 0) {
2993 sz = default_ram_size;
2994 }
2995
2996 sz = QEMU_ALIGN_UP(sz, 8192);
2997 ram_size = sz;
2998 if (ram_size != sz) {
2999 error_report("ram size too large");
3000 exit(EXIT_FAILURE);
3001 }
3002
3003 /* store value for the future use */
39101f25 3004 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3b9985e9
MA		 3005 *maxram_size = ram_size;
3006
3007 maxmem_str = qemu_opt_get(opts, "maxmem");
3008 slots_str = qemu_opt_get(opts, "slots");
3009 if (maxmem_str && slots_str) {
3010 uint64_t slots;
3011
3012 sz = qemu_opt_get_size(opts, "maxmem", 0);
214224ad 3013 slots = qemu_opt_get_number(opts, "slots", 0);
3b9985e9 3014 if (sz < ram_size) {
214224ad
PK		 3015 error_report("invalid value of -m option maxmem: "
3016 "maximum memory size (0x%" PRIx64 ") must be at least "
3017 "the initial memory size (0x" RAM_ADDR_FMT ")",
3018 sz, ram_size);
3b9985e9 3019 exit(EXIT_FAILURE);
214224ad
PK		 3020 } else if (sz > ram_size) {
3021 if (!slots) {
3022 error_report("invalid value of -m option: maxmem was "
3023 "specified, but no hotplug slots were specified");
3024 exit(EXIT_FAILURE);
3025 }
3026 } else if (slots) {
3027 error_report("invalid value of -m option maxmem: "
3028 "memory slots were specified but maximum memory size "
3029 "(0x%" PRIx64 ") is equal to the initial memory size "
3030 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3b9985e9
MA		 3031 exit(EXIT_FAILURE);
3032 }
3033
3b9985e9
MA		 3034 *maxram_size = sz;
3035 *ram_slots = slots;
3036 } else if ((!maxmem_str && slots_str) ||
3037 (maxmem_str && !slots_str)) {
3038 error_report("invalid -m option value: missing "
3039 "'%s' option", slots_str ? "maxmem" : "slots");
3040 exit(EXIT_FAILURE);
3041 }
bbe2d25c
EH		 3042
3043 loc_pop(&loc);
3b9985e9
MA		 3044}
3045
8d76bfe8
EH		 3046static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
3047{
3048 GlobalProperty *g;
3049
3050 g = g_malloc0(sizeof(*g));
3051 g->driver = qemu_opt_get(opts, "driver");
3052 g->property = qemu_opt_get(opts, "property");
3053 g->value = qemu_opt_get(opts, "value");
3054 g->user_provided = true;
03f28efb 3055 g->errp = &error_fatal;
8d76bfe8
EH		 3056 qdev_prop_register_global(g);
3057 return 0;
3058}
3059
726401be
EH		 3060static int qemu_read_default_config_file(void)
3061{
3062 int ret;
3063
3064 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3065 if (ret < 0 && ret != -ENOENT) {
3066 return ret;
3067 }
3068
3069 return 0;
3070}
3071
a0660e0b
PX		 3072static void user_register_global_props(void)
3073{
3074 qemu_opts_foreach(qemu_find_opts("global"),
3075 global_init_func, NULL, NULL);
3076}
3077
3078/*
3079 * Note: we should see that these properties are actually having a
3080 * priority: accel < machine < user. This means e.g. when user
3081 * specifies something in "-global", it'll always be used with highest
3082 * priority than either machine/accelerator compat properties.
3083 */
3084static void register_global_properties(MachineState *ms)
3085{
3086 accel_register_compat_props(ms->accelerator);
3087 machine_register_compat_props(ms);
3088 user_register_global_props();
3089}
3090
902b3d5c 3091int main(int argc, char **argv, char **envp)
0824d6fc 3092{
e4bcb14c 3093 int i;
da1fcfda 3094 int snapshot, linux_boot;
7f7f9873 3095 const char *initrd_filename;
a20dd508 3096 const char *kernel_filename, *kernel_cmdline;
f05f47bb
GA		 3097 const char *boot_order = NULL;
3098 const char *boot_once = NULL;
3023f332 3099 DisplayState *ds;
9f227bc3 3100 int cyls, heads, secs, translation;
8d4e9146
FK		 3101 QemuOpts *opts, *machine_opts;
3102 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
03b0ba70 3103 QemuOptsList *olist;
cd6f1169 3104 int optind;
6530a97b 3105 const char *optarg;
d63d307f 3106 const char *loadvm = NULL;
0056ae24 3107 MachineClass *machine_class;
94fc95cd 3108 const char *cpu_model;
d44229c5 3109 const char *vga_model = NULL;
d4fce24f
PB		 3110 const char *qtest_chrdev = NULL;
3111 const char *qtest_log = NULL;
93815bc2 3112 const char *pid_file = NULL;
5bb7910a 3113 const char *incoming = NULL;
f29a5614 3114 bool userconfig = true;
cfc58cf3 3115 bool nographic = false;
d29345d0 3116 DisplayType display_type = DT_DEFAULT;
1f0dfe02 3117 int display_remote = 0;
c235d738
MF		 3118 const char *log_mask = NULL;
3119 const char *log_file = NULL;
41fc57e4 3120 char *trace_file = NULL;
3b9985e9 3121 ram_addr_t maxram_size;
c270fb9e 3122 uint64_t ram_slots = 0;
abfd9ce3 3123 FILE *vmstate_dump_file = NULL;
2f78e491 3124 Error *main_loop_err = NULL;
ddbb0d09 3125 Error *err = NULL;
37146e7e 3126 bool list_data_dirs = false;
3d5eecab 3127 char **dirs;
42e5f393
MA		 3128 typedef struct BlockdevOptions_queue {
3129 BlockdevOptions *bdo;
3130 Location loc;
3131 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3132 } BlockdevOptions_queue;
3133 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3134 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
0b5538c3 3135
fe4db84d
DB		 3136 module_call_init(MODULE_INIT_TRACE);
3137
267f685b 3138 qemu_init_cpu_list();
576a94d8
PB		 3139 qemu_init_cpu_loop();
3140 qemu_mutex_lock_iothread();
3141
fd42deeb 3142 atexit(qemu_run_exit_notifiers);
65abca0a 3143 error_set_progname(argv[0]);
10f5bff6 3144 qemu_init_exec_dir(argv[0]);
65abca0a 3145
1b71f7c1 3146 module_call_init(MODULE_INIT_QOM);
05875687 3147 monitor_init_qmp_commands();
1b71f7c1 3148
4d454574 3149 qemu_add_opts(&qemu_drive_opts);
968854c8
AK		 3150 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3151 qemu_add_drive_opts(&qemu_common_drive_opts);
3152 qemu_add_drive_opts(&qemu_drive_opts);
c5f3014b 3153 qemu_add_drive_opts(&bdrv_runtime_opts);
4d454574
PB		 3154 qemu_add_opts(&qemu_chardev_opts);
3155 qemu_add_opts(&qemu_device_opts);
3156 qemu_add_opts(&qemu_netdev_opts);
3157 qemu_add_opts(&qemu_net_opts);
3158 qemu_add_opts(&qemu_rtc_opts);
3159 qemu_add_opts(&qemu_global_opts);
3160 qemu_add_opts(&qemu_mon_opts);
3161 qemu_add_opts(&qemu_trace_opts);
3162 qemu_add_opts(&qemu_option_rom_opts);
3163 qemu_add_opts(&qemu_machine_opts);
8d4e9146 3164 qemu_add_opts(&qemu_accel_opts);
6e1d3c1c 3165 qemu_add_opts(&qemu_mem_opts);
12b7f57e 3166 qemu_add_opts(&qemu_smp_opts);
4d454574
PB		 3167 qemu_add_opts(&qemu_boot_opts);
3168 qemu_add_opts(&qemu_sandbox_opts);
3169 qemu_add_opts(&qemu_add_fd_opts);
3170 qemu_add_opts(&qemu_object_opts);
d1a0cf73 3171 qemu_add_opts(&qemu_tpmdev_opts);
888a6bc6 3172 qemu_add_opts(&qemu_realtime_opts);
5e2ac519 3173 qemu_add_opts(&qemu_msg_opts);
5d12f961 3174 qemu_add_opts(&qemu_name_opts);
0042109a 3175 qemu_add_opts(&qemu_numa_opts);
1ad9580b 3176 qemu_add_opts(&qemu_icount_opts);
a38bb079 3177 qemu_add_opts(&qemu_semihosting_config_opts);
81b2b810 3178 qemu_add_opts(&qemu_fw_cfg_opts);
34294e2f 3179 module_call_init(MODULE_INIT_OPTS);
4d454574 3180
5db9d4d1
LC		 3181 runstate_init();
3182
ddbb0d09 3183 if (qcrypto_init(&err) < 0) {
c29b77f9 3184 error_reportf_err(err, "cannot initialize crypto: ");
ddbb0d09
DB		 3185 exit(1);
3186 }
884f17c2 3187 rtc_clock = QEMU_CLOCK_HOST;
6875204c 3188
72cf2d4f 3189 QLIST_INIT (&vm_change_state_head);
fe98ac14 3190 os_setup_early_signal_handling();
be995c27 3191
94fc95cd 3192 cpu_model = NULL;
33e3963e 3193 snapshot = 0;
9f227bc3 3194 cyls = heads = secs = 0;
3195 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 3196
7c9d8e07 3197 nb_nics = 0;
3b46e624 3198
142c6b1a
PL		 3199 bdrv_init_with_whitelist();
3200
2c02d1ad 3201 autostart = 1;
41bd639b 3202
292444cb
AL		 3203 /* first pass of option parsing */
3204 optind = 1;
3205 while (optind < argc) {
3206 if (argv[optind][0] != '-') {
3207 /* disk image */
28e68d68 3208 optind++;
292444cb
AL		 3209 } else {
3210 const QEMUOption *popt;
3211
3212 popt = lookup_opt(argc, argv, &optarg, &optind);
3213 switch (popt->index) {
3214 case QEMU_OPTION_nodefconfig:
f29a5614
EH		 3215 case QEMU_OPTION_nouserconfig:
3216 userconfig = false;
3217 break;
292444cb
AL		 3218 }
3219 }
3220 }
3221
1ea06c39 3222 if (userconfig) {
726401be 3223 if (qemu_read_default_config_file() < 0) {
dcfb0939 3224 exit(1);
292444cb
AL		 3225 }
3226 }
3227
3228 /* second pass of option parsing */
cd6f1169 3229 optind = 1;
0824d6fc 3230 for(;;) {
cd6f1169 3231 if (optind >= argc)
0824d6fc 3232 break;
6530a97b 3233 if (argv[optind][0] != '-') {
99efa84d 3234 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
cd6f1169
FB		 3235 } else {
3236 const QEMUOption *popt;
3237
6530a97b 3238 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a 3239 if (!(popt->arch_mask & arch_type)) {
da002526 3240 error_report("Option not supported for this target");
ad96090a
BS		 3241 exit(1);
3242 }
cd6f1169 3243 switch(popt->index) {
e43d594e
JK		 3244 case QEMU_OPTION_no_kvm_irqchip: {
3245 olist = qemu_find_opts("machine");
70b94331 3246 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
e43d594e
JK		 3247 break;
3248 }
94fc95cd
JM		 3249 case QEMU_OPTION_cpu:
3250 /* hw initialization will check this */
ecf40bea 3251 cpu_model = optarg;
94fc95cd 3252 break;
cd6f1169 3253 case QEMU_OPTION_hda:
9f227bc3 3254 {
3255 char buf[256];
3256 if (cyls == 0)
3257 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3258 else
3259 snprintf(buf, sizeof(buf),
3260 "%s,cyls=%d,heads=%d,secs=%d%s",
3261 HD_OPTS , cyls, heads, secs,
3262 translation == BIOS_ATA_TRANSLATION_LBA ?
3263 ",trans=lba" :
3264 translation == BIOS_ATA_TRANSLATION_NONE ?
3265 ",trans=none" : "");
3266 drive_add(IF_DEFAULT, 0, optarg, buf);
3267 break;
3268 }
cd6f1169 3269 case QEMU_OPTION_hdb:
cc1daa40
FB		 3270 case QEMU_OPTION_hdc:
3271 case QEMU_OPTION_hdd:
2292ddae
MA		 3272 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3273 HD_OPTS);
fc01f7e7 3274 break;
42e5f393
MA		 3275 case QEMU_OPTION_blockdev:
3276 {
3277 Visitor *v;
3278 BlockdevOptions_queue *bdo;
3279
3280 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3281 if (!v) {
3282 error_report_err(err);
3283 exit(1);
3284 }
3285
3286 bdo = g_new(BlockdevOptions_queue, 1);
3287 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3288 &error_fatal);
3289 visit_free(v);
3290 loc_save(&bdo->loc);
3291 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3292 break;
3293 }
e4bcb14c 3294 case QEMU_OPTION_drive:
e2982c3a
MT		 3295 if (drive_def(optarg) == NULL) {
3296 exit(1);
3297 }
99efa84d 3298 break;
d058fe03
GH		 3299 case QEMU_OPTION_set:
3300 if (qemu_set_option(optarg) != 0)
3301 exit(1);
99efa84d 3302 break;
d0fef6fb
GH		 3303 case QEMU_OPTION_global:
3304 if (qemu_global_option(optarg) != 0)
3305 exit(1);
99efa84d 3306 break;
3e3d5815 3307 case QEMU_OPTION_mtdblock:
2292ddae 3308 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3e3d5815 3309 break;
a1bb27b1 3310 case QEMU_OPTION_sd:
80f4d9fc 3311 drive_add(IF_SD, -1, optarg, SD_OPTS);
a1bb27b1 3312 break;
86f55663 3313 case QEMU_OPTION_pflash:
2292ddae 3314 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
86f55663 3315 break;
cd6f1169 3316 case QEMU_OPTION_snapshot:
33e3963e
FB		 3317 snapshot = 1;
3318 break;
cd6f1169 3319 case QEMU_OPTION_hdachs:
330d0414 3320 {
330d0414
FB		 3321 const char *p;
3322 p = optarg;
3323 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 3324 if (cyls < 1 || cyls > 16383)
3325 goto chs_fail;
330d0414
FB		 3326 if (*p != ',')
3327 goto chs_fail;
3328 p++;
3329 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 3330 if (heads < 1 || heads > 16)
3331 goto chs_fail;
330d0414
FB		 3332 if (*p != ',')
3333 goto chs_fail;
3334 p++;
3335 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 3336 if (secs < 1 || secs > 63)
3337 goto chs_fail;
3338 if (*p == ',') {
3339 p++;
f31c41ff
PB		 3340 if (!strcmp(p, "large")) {
3341 translation = BIOS_ATA_TRANSLATION_LARGE;
3342 } else if (!strcmp(p, "rechs")) {
3343 translation = BIOS_ATA_TRANSLATION_RECHS;
3344 } else if (!strcmp(p, "none")) {
46d4767d 3345 translation = BIOS_ATA_TRANSLATION_NONE;
f31c41ff 3346 } else if (!strcmp(p, "lba")) {
46d4767d 3347 translation = BIOS_ATA_TRANSLATION_LBA;
f31c41ff 3348 } else if (!strcmp(p, "auto")) {
46d4767d 3349 translation = BIOS_ATA_TRANSLATION_AUTO;
f31c41ff 3350 } else {
46d4767d 3351 goto chs_fail;
f31c41ff 3352 }
46d4767d 3353 } else if (*p != '\0') {
c4b1fcc0 3354 chs_fail:
f61eddcb 3355 error_report("invalid physical CHS format");
46d4767d 3356 exit(1);
c4b1fcc0 3357 }
99efa84d 3358 if (hda_opts != NULL) {
a8b18f8f
MA		 3359 qemu_opt_set_number(hda_opts, "cyls", cyls,
3360 &error_abort);
3361 qemu_opt_set_number(hda_opts, "heads", heads,
3362 &error_abort);
3363 qemu_opt_set_number(hda_opts, "secs", secs,
3364 &error_abort);
f31c41ff 3365 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
f43e47db
MA		 3366 qemu_opt_set(hda_opts, "trans", "large",
3367 &error_abort);
f31c41ff 3368 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
f43e47db
MA		 3369 qemu_opt_set(hda_opts, "trans", "rechs",
3370 &error_abort);
f31c41ff 3371 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
f43e47db
MA		 3372 qemu_opt_set(hda_opts, "trans", "lba",
3373 &error_abort);
f31c41ff 3374 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
f43e47db
MA		 3375 qemu_opt_set(hda_opts, "trans", "none",
3376 &error_abort);
f31c41ff 3377 }
9dfd7c7a 3378 }
330d0414 3379 }
fea41826
TH		 3380 error_report("'-hdachs' is deprecated, please use '-device"
3381 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
330d0414 3382 break;
268a362c 3383 case QEMU_OPTION_numa:
70b94331
MA		 3384 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3385 optarg, true);
0042109a
WG		 3386 if (!opts) {
3387 exit(1);
3388 }
268a362c 3389 break;
1472a95b
JS		 3390 case QEMU_OPTION_display:
3391 display_type = select_display(optarg);
3392 break;
cd6f1169 3393 case QEMU_OPTION_nographic:
cfc58cf3
EH		 3394 olist = qemu_find_opts("machine");
3395 qemu_opts_parse_noisily(olist, "graphics=off", false);
3396 nographic = true;
3397 display_type = DT_NONE;
a20dd508 3398 break;
4d3b6f6e 3399 case QEMU_OPTION_curses:
47b05369 3400#ifdef CONFIG_CURSES
993fbfdb 3401 display_type = DT_CURSES;
47b05369 3402#else
3e515373 3403 error_report("curses support is disabled");
47b05369 3404 exit(1);
4d3b6f6e 3405#endif
47b05369 3406 break;
a171fe39 3407 case QEMU_OPTION_portrait:
9312805d
VK		 3408 graphic_rotate = 90;
3409 break;
3410 case QEMU_OPTION_rotate:
3411 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3412 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3413 graphic_rotate != 180 && graphic_rotate != 270) {
f61eddcb 3414 error_report("only 90, 180, 270 deg rotation is available");
9312805d
VK		 3415 exit(1);
3416 }
a171fe39 3417 break;
cd6f1169 3418 case QEMU_OPTION_kernel:
79087c78
MA		 3419 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3420 &error_abort);
a0abe474
PM		 3421 break;
3422 case QEMU_OPTION_initrd:
79087c78
MA		 3423 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3424 &error_abort);
a20dd508 3425 break;
cd6f1169 3426 case QEMU_OPTION_append:
79087c78
MA		 3427 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3428 &error_abort);
313aa567 3429 break;
412beee6 3430 case QEMU_OPTION_dtb:
79087c78
MA		 3431 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3432 &error_abort);
412beee6 3433 break;
cd6f1169 3434 case QEMU_OPTION_cdrom:
2292ddae 3435 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
36b486bb 3436 break;
cd6f1169 3437 case QEMU_OPTION_boot:
70b94331
MA		 3438 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3439 optarg, true);
8281abd5
MA		 3440 if (!opts) {
3441 exit(1);
36b486bb
FB		 3442 }
3443 break;
cd6f1169 3444 case QEMU_OPTION_fda:
cd6f1169 3445 case QEMU_OPTION_fdb:
2292ddae
MA		 3446 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3447 optarg, FD_OPTS);
c45886db 3448 break;
52ca8d6a
FB		 3449 case QEMU_OPTION_no_fd_bootchk:
3450 fd_bootchk = 0;
3451 break;
a1ea458f 3452 case QEMU_OPTION_netdev:
d30300f7 3453 default_net = 0;
3329f07b 3454 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
a1ea458f
MM		 3455 exit(1);
3456 }
3457 break;
7c9d8e07 3458 case QEMU_OPTION_net:
d30300f7 3459 default_net = 0;
3329f07b 3460 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
c4b1fcc0
FB		 3461 exit(1);
3462 }
702c651c 3463 break;
f9dadc98
RS		 3464#ifdef CONFIG_LIBISCSI
3465 case QEMU_OPTION_iscsi:
70b94331
MA		 3466 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3467 optarg, false);
f9dadc98
RS		 3468 if (!opts) {
3469 exit(1);
3470 }
3471 break;
3472#endif
c7f74643
FB		 3473#ifdef CONFIG_SLIRP
3474 case QEMU_OPTION_tftp:
f853ac66
TH		 3475 error_report("The -tftp option is deprecated. "
3476 "Please use '-netdev user,tftp=...' instead.");
ad196a9d 3477 legacy_tftp_prefix = optarg;
9bf05444 3478 break;
47d5d01a 3479 case QEMU_OPTION_bootp:
f853ac66
TH		 3480 error_report("The -bootp option is deprecated. "
3481 "Please use '-netdev user,bootfile=...' instead.");
ad196a9d 3482 legacy_bootp_filename = optarg;
47d5d01a 3483 break;
9bf05444 3484 case QEMU_OPTION_redir:
f853ac66
TH		 3485 error_report("The -redir option is deprecated. "
3486 "Please use '-netdev user,hostfwd=...' instead.");
0752706d
MA		 3487 if (net_slirp_redir(optarg) < 0)
3488 exit(1);
9bf05444 3489 break;
c7f74643 3490#endif
dc72ac14 3491 case QEMU_OPTION_bt:
bd3c948d 3492 add_device_config(DEV_BT, optarg);
dc72ac14 3493 break;
1d14ffa9
FB		 3494 case QEMU_OPTION_audio_help:
3495 AUD_help ();
3496 exit (0);
3497 break;
3498 case QEMU_OPTION_soundhw:
3499 select_soundhw (optarg);
3500 break;
cd6f1169 3501 case QEMU_OPTION_h:
15f82208 3502 help(0);
cd6f1169 3503 break;
9bd7e6d9
PB		 3504 case QEMU_OPTION_version:
3505 version();
3506 exit(0);
3507 break;
3b9985e9 3508 case QEMU_OPTION_m:
70b94331
MA		 3509 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3510 optarg, true);
6e1d3c1c
IM		 3511 if (!opts) {
3512 exit(EXIT_FAILURE);
3513 }
cd6f1169 3514 break;
d1a0cf73
SB		 3515#ifdef CONFIG_TPM
3516 case QEMU_OPTION_tpmdev:
3517 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3518 exit(1);
3519 }
3520 break;
3521#endif
c902760f
MT		 3522 case QEMU_OPTION_mempath:
3523 mem_path = optarg;
3524 break;
c902760f
MT		 3525 case QEMU_OPTION_mem_prealloc:
3526 mem_prealloc = 1;
3527 break;
cd6f1169 3528 case QEMU_OPTION_d:
c235d738
MF		 3529 log_mask = optarg;
3530 break;
3531 case QEMU_OPTION_D:
3532 log_file = optarg;
cd6f1169 3533 break;
3514552e 3534 case QEMU_OPTION_DFILTER:
bd6fee9f 3535 qemu_set_dfilter_ranges(optarg, &error_fatal);
3514552e 3536 break;
cd6f1169 3537 case QEMU_OPTION_s:
ef0c4a0d 3538 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
cd6f1169 3539 break;
59030a8c 3540 case QEMU_OPTION_gdb:
ef0c4a0d 3541 add_device_config(DEV_GDB, optarg);
cd6f1169 3542 break;
cd6f1169 3543 case QEMU_OPTION_L:
37146e7e
RJ		 3544 if (is_help_option(optarg)) {
3545 list_data_dirs = true;
2a1cce90
GH		 3546 } else {
3547 qemu_add_data_dir(optarg);
4524051c 3548 }
cd6f1169 3549 break;
1192dad8 3550 case QEMU_OPTION_bios:
79087c78
MA		 3551 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3552 &error_abort);
1192dad8 3553 break;
1b530a6d
AJ		 3554 case QEMU_OPTION_singlestep:
3555 singlestep = 1;
3556 break;
cd6f1169 3557 case QEMU_OPTION_S:
3c07f8e8 3558 autostart = 0;
cd6f1169 3559 break;
99efa84d
MA		 3560 case QEMU_OPTION_k:
3561 keyboard_layout = optarg;
3562 break;
ee22c2f7
FB		 3563 case QEMU_OPTION_localtime:
3564 rtc_utc = 0;
3565 break;
3893c124 3566 case QEMU_OPTION_vga:
a369da5f 3567 vga_model = optarg;
7f1b17f2 3568 default_vga = 0;
1bfe856e 3569 break;
e9b137c2
FB		 3570 case QEMU_OPTION_g:
3571 {
3572 const char *p;
3573 int w, h, depth;
3574 p = optarg;
3575 w = strtol(p, (char **)&p, 10);
3576 if (w <= 0) {
3577 graphic_error:
f61eddcb 3578 error_report("invalid resolution or depth");
e9b137c2
FB		 3579 exit(1);
3580 }
3581 if (*p != 'x')
3582 goto graphic_error;
3583 p++;
3584 h = strtol(p, (char **)&p, 10);
3585 if (h <= 0)
3586 goto graphic_error;
3587 if (*p == 'x') {
3588 p++;
3589 depth = strtol(p, (char **)&p, 10);
5fafdf24 3590 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 3591 depth != 24 && depth != 32)
3592 goto graphic_error;
3593 } else if (*p == '\0') {
3594 depth = graphic_depth;
3595 } else {
3596 goto graphic_error;
3597 }
3b46e624 3598
e9b137c2
FB		 3599 graphic_width = w;
3600 graphic_height = h;
3601 graphic_depth = depth;
3602 }
3603 break;
20d8a3ed
TS		 3604 case QEMU_OPTION_echr:
3605 {
3606 char *r;
3607 term_escape_char = strtol(optarg, &r, 0);
3608 if (r == optarg)
3609 printf("Bad argument to echr\n");
3610 break;
3611 }
82c643ff 3612 case QEMU_OPTION_monitor:
6ca5582d 3613 default_monitor = 0;
70e098af 3614 if (strncmp(optarg, "none", 4)) {
4821cd4c 3615 monitor_parse(optarg, "readline", false);
70e098af 3616 }
6ca5582d
GH		 3617 break;
3618 case QEMU_OPTION_qmp:
4821cd4c
HR		 3619 monitor_parse(optarg, "control", false);
3620 default_monitor = 0;
3621 break;
3622 case QEMU_OPTION_qmp_pretty:
3623 monitor_parse(optarg, "control", true);
2d114dc1 3624 default_monitor = 0;
82c643ff 3625 break;
22a0e04b 3626 case QEMU_OPTION_mon:
70b94331
MA		 3627 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3628 true);
22a0e04b 3629 if (!opts) {
22a0e04b
GH		 3630 exit(1);
3631 }
2d114dc1 3632 default_monitor = 0;
22a0e04b 3633 break;
191bc01b 3634 case QEMU_OPTION_chardev:
70b94331
MA		 3635 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3636 optarg, true);
191bc01b 3637 if (!opts) {
191bc01b
GH		 3638 exit(1);
3639 }
191bc01b 3640 break;
74db920c 3641 case QEMU_OPTION_fsdev:
03b0ba70
GH		 3642 olist = qemu_find_opts("fsdev");
3643 if (!olist) {
5dfdae81 3644 error_report("fsdev support is disabled");
03b0ba70
GH		 3645 exit(1);
3646 }
70b94331 3647 opts = qemu_opts_parse_noisily(olist, optarg, true);
74db920c 3648 if (!opts) {
74db920c
GS		 3649 exit(1);
3650 }
3651 break;
3d54abc7 3652 case QEMU_OPTION_virtfs: {
e14ea479
SH		 3653 QemuOpts *fsdev;
3654 QemuOpts *device;
32b69436 3655 const char *writeout, *sock_fd, *socket, *path, *security_model;
3d54abc7 3656
03b0ba70
GH		 3657 olist = qemu_find_opts("virtfs");
3658 if (!olist) {
5dfdae81 3659 error_report("virtfs support is disabled");
03b0ba70
GH		 3660 exit(1);
3661 }
70b94331 3662 opts = qemu_opts_parse_noisily(olist, optarg, true);
3d54abc7 3663 if (!opts) {
3d54abc7
GS		 3664 exit(1);
3665 }
3666
fbcbf101 3667 if (qemu_opt_get(opts, "fsdriver") == NULL ||
99519f0a 3668 qemu_opt_get(opts, "mount_tag") == NULL) {
8afb9000 3669 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
9ce56db6
VJ		 3670 exit(1);
3671 }
e14ea479 3672 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3baa0a6a 3673 qemu_opts_id(opts) ?:
8be7e7e4
LC		 3674 qemu_opt_get(opts, "mount_tag"),
3675 1, NULL);
e14ea479 3676 if (!fsdev) {
3baa0a6a 3677 error_report("duplicate or invalid fsdev id: %s",
f61eddcb 3678 qemu_opt_get(opts, "mount_tag"));
3d54abc7
GS		 3679 exit(1);
3680 }
d3ab98e6
AK		 3681
3682 writeout = qemu_opt_get(opts, "writeout");
3683 if (writeout) {
3684#ifdef CONFIG_SYNC_FILE_RANGE
f43e47db 3685 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
d3ab98e6 3686#else
f61eddcb
EH		 3687 error_report("writeout=immediate not supported "
3688 "on this platform");
d3ab98e6
AK		 3689 exit(1);
3690#endif
3691 }
f43e47db
MA		 3692 qemu_opt_set(fsdev, "fsdriver",
3693 qemu_opt_get(opts, "fsdriver"), &error_abort);
32b69436
GK		 3694 path = qemu_opt_get(opts, "path");
3695 if (path) {
3696 qemu_opt_set(fsdev, "path", path, &error_abort);
3697 }
3698 security_model = qemu_opt_get(opts, "security_model");
3699 if (security_model) {
3700 qemu_opt_set(fsdev, "security_model", security_model,
3701 &error_abort);
3702 }
84a87cc4
MK		 3703 socket = qemu_opt_get(opts, "socket");
3704 if (socket) {
f43e47db 3705 qemu_opt_set(fsdev, "socket", socket, &error_abort);
84a87cc4 3706 }
4c793dda
MK		 3707 sock_fd = qemu_opt_get(opts, "sock_fd");
3708 if (sock_fd) {
f43e47db 3709 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
4c793dda 3710 }
e14ea479 3711
2c74c2cb 3712 qemu_opt_set_bool(fsdev, "readonly",
cccb7967
MA		 3713 qemu_opt_get_bool(opts, "readonly", 0),
3714 &error_abort);
87ea75d5
PC		 3715 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3716 &error_abort);
f43e47db 3717 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
e14ea479 3718 qemu_opt_set(device, "fsdev",
3baa0a6a 3719 qemu_opts_id(fsdev), &error_abort);
e14ea479 3720 qemu_opt_set(device, "mount_tag",
f43e47db 3721 qemu_opt_get(opts, "mount_tag"), &error_abort);
3d54abc7
GS		 3722 break;
3723 }
9db221ae
AK		 3724 case QEMU_OPTION_virtfs_synth: {
3725 QemuOpts *fsdev;
3726 QemuOpts *device;
3727
8be7e7e4
LC		 3728 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3729 1, NULL);
9db221ae 3730 if (!fsdev) {
f61eddcb 3731 error_report("duplicate option: %s", "virtfs_synth");
9db221ae
AK		 3732 exit(1);
3733 }
f43e47db 3734 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
9db221ae 3735
87ea75d5
PC		 3736 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3737 &error_abort);
f43e47db
MA		 3738 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3739 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3740 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
9db221ae
AK		 3741 break;
3742 }
82c643ff 3743 case QEMU_OPTION_serial:
998bbd74
GH		 3744 add_device_config(DEV_SERIAL, optarg);
3745 default_serial = 0;
18141ed6
JK		 3746 if (strncmp(optarg, "mon:", 4) == 0) {
3747 default_monitor = 0;
3748 }
82c643ff 3749 break;
9dd986cc 3750 case QEMU_OPTION_watchdog:
09aaa160 3751 if (watchdog) {
f61eddcb 3752 error_report("only one watchdog option may be given");
09aaa160
MA		 3753 return 1;
3754 }
3755 watchdog = optarg;
9dd986cc
RJ		 3756 break;
3757 case QEMU_OPTION_watchdog_action:
3758 if (select_watchdog_action(optarg) == -1) {
3e515373 3759 error_report("unknown -watchdog-action parameter");
9dd986cc
RJ		 3760 exit(1);
3761 }
3762 break;
51ecf136 3763 case QEMU_OPTION_virtiocon:
aee1b935
GH		 3764 add_device_config(DEV_VIRTCON, optarg);
3765 default_virtcon = 0;
18141ed6
JK		 3766 if (strncmp(optarg, "mon:", 4) == 0) {
3767 default_monitor = 0;
3768 }
51ecf136 3769 break;
6508fe59 3770 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 3771 add_device_config(DEV_PARALLEL, optarg);
3772 default_parallel = 0;
18141ed6
JK		 3773 if (strncmp(optarg, "mon:", 4) == 0) {
3774 default_monitor = 0;
3775 }
6508fe59 3776 break;
c9f398e5
PA		 3777 case QEMU_OPTION_debugcon:
3778 add_device_config(DEV_DEBUGCON, optarg);
3779 break;
99efa84d
MA		 3780 case QEMU_OPTION_loadvm:
3781 loadvm = optarg;
3782 break;
d63d307f
FB		 3783 case QEMU_OPTION_full_screen:
3784 full_screen = 1;
3785 break;
43523e93
TS		 3786 case QEMU_OPTION_no_frame:
3787 no_frame = 1;
3788 break;
3780e197
TS		 3789 case QEMU_OPTION_alt_grab:
3790 alt_grab = 1;
3791 break;
0ca9f8a4
DK		 3792 case QEMU_OPTION_ctrl_grab:
3793 ctrl_grab = 1;
3794 break;
667accab
TS		 3795 case QEMU_OPTION_no_quit:
3796 no_quit = 1;
3797 break;
7d957bd8 3798 case QEMU_OPTION_sdl:
24f6ff86 3799#ifdef CONFIG_SDL
993fbfdb 3800 display_type = DT_SDL;
7d957bd8 3801 break;
58fc096c 3802#else
f61eddcb 3803 error_report("SDL support is disabled");
58fc096c 3804 exit(1);
667accab 3805#endif
f7cce898 3806 case QEMU_OPTION_pidfile:
93815bc2 3807 pid_file = optarg;
f7cce898 3808 break;
a09db21f
FB		 3809 case QEMU_OPTION_win2k_hack:
3810 win2k_install_hack = 1;
3811 break;
433acf0d 3812 case QEMU_OPTION_rtc_td_hack: {
16714b16
EH		 3813 static GlobalProperty slew_lost_ticks = {
3814 .driver = "mc146818rtc",
3815 .property = "lost_tick_policy",
3816 .value = "slew",
433acf0d
JK		 3817 };
3818
16714b16 3819 qdev_prop_register_global(&slew_lost_ticks);
73822ec8 3820 break;
433acf0d 3821 }
8a92ea2f 3822 case QEMU_OPTION_acpitable:
70b94331
MA		 3823 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3824 optarg, true);
f46e720a
LE		 3825 if (!opts) {
3826 exit(1);
3827 }
9f57061c 3828 acpi_table_add(opts, &error_fatal);
8a92ea2f 3829 break;
b6f6e3d3 3830 case QEMU_OPTION_smbios:
70b94331
MA		 3831 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3832 optarg, false);
f46e720a
LE		 3833 if (!opts) {
3834 exit(1);
3835 }
1007a37e 3836 smbios_entry_add(opts, &error_fatal);
b6f6e3d3 3837 break;
81b2b810 3838 case QEMU_OPTION_fwcfg:
70b94331
MA		 3839 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3840 optarg, true);
81b2b810
GS		 3841 if (opts == NULL) {
3842 exit(1);
3843 }
3844 break;
7ba1e619 3845 case QEMU_OPTION_enable_kvm:
303d4e86 3846 olist = qemu_find_opts("machine");
70b94331 3847 qemu_opts_parse_noisily(olist, "accel=kvm", false);
303d4e86 3848 break;
b0cb0a66
VP		 3849 case QEMU_OPTION_enable_hax:
3850 olist = qemu_find_opts("machine");
3851 qemu_opts_parse_noisily(olist, "accel=hax", false);
3852 break;
364c3e6b 3853 case QEMU_OPTION_M:
303d4e86
AP		 3854 case QEMU_OPTION_machine:
3855 olist = qemu_find_opts("machine");
70b94331 3856 opts = qemu_opts_parse_noisily(olist, optarg, true);
303d4e86 3857 if (!opts) {
303d4e86
AP		 3858 exit(1);
3859 }
7ba1e619 3860 break;
a0dac021
JK		 3861 case QEMU_OPTION_no_kvm:
3862 olist = qemu_find_opts("machine");
70b94331 3863 qemu_opts_parse_noisily(olist, "accel=tcg", false);
a0dac021 3864 break;
4086bde8 3865 case QEMU_OPTION_no_kvm_pit: {
3dc6f869 3866 warn_report("ignoring deprecated option");
4086bde8
JK		 3867 break;
3868 }
c21fb4f8 3869 case QEMU_OPTION_no_kvm_pit_reinjection: {
16714b16
EH		 3870 static GlobalProperty kvm_pit_lost_tick_policy = {
3871 .driver = "kvm-pit",
3872 .property = "lost_tick_policy",
3873 .value = "discard",
c21fb4f8
JK		 3874 };
3875
3dc6f869
AF		 3876 warn_report("deprecated, replaced by "
3877 "-global kvm-pit.lost_tick_policy=discard");
16714b16 3878 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
c21fb4f8
JK		 3879 break;
3880 }
a20fa79f 3881 case QEMU_OPTION_accel:
8d4e9146
FK		 3882 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3883 optarg, true);
3884 optarg = qemu_opt_get(accel_opts, "accel");
bde4d920
TH		 3885 if (!optarg || is_help_option(optarg)) {
3886 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
a20fa79f 3887 exit(0);
8d4e9146 3888 }
a20fa79f
TH		 3889 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3890 false, &error_abort);
3891 qemu_opt_set(opts, "accel", optarg, &error_abort);
8d4e9146 3892 break;
bb36d470 3893 case QEMU_OPTION_usb:
fa5358c6 3894 olist = qemu_find_opts("machine");
70b94331 3895 qemu_opts_parse_noisily(olist, "usb=on", false);
bb36d470 3896 break;
a594cfbf 3897 case QEMU_OPTION_usbdevice:
a358a3af
TH		 3898 error_report("'-usbdevice' is deprecated, please use "
3899 "'-device usb-...' instead");
fa5358c6 3900 olist = qemu_find_opts("machine");
70b94331 3901 qemu_opts_parse_noisily(olist, "usb=on", false);
bd3c948d
GH		 3902 add_device_config(DEV_USB, optarg);
3903 break;
3904 case QEMU_OPTION_device:
70b94331
MA		 3905 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3906 optarg, true)) {
f31d07d1
GH		 3907 exit(1);
3908 }
a594cfbf 3909 break;
6a00d601 3910 case QEMU_OPTION_smp:
70b94331
MA		 3911 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3912 optarg, true)) {
6be68d7e
JS		 3913 exit(1);
3914 }
6a00d601 3915 break;
99efa84d 3916 case QEMU_OPTION_vnc:
7b1ee0f2 3917 vnc_parse(optarg, &error_fatal);
821601ea 3918 break;
6515b203
FB		 3919 case QEMU_OPTION_no_acpi:
3920 acpi_enabled = 0;
3921 break;
16b29ae1
AL		 3922 case QEMU_OPTION_no_hpet:
3923 no_hpet = 1;
3924 break;
7d4c3d53
MA		 3925 case QEMU_OPTION_balloon:
3926 if (balloon_parse(optarg) < 0) {
3e515373 3927 error_report("unknown -balloon argument %s", optarg);
7d4c3d53
MA		 3928 exit(1);
3929 }
df97b920 3930 break;
d1beab82
FB		 3931 case QEMU_OPTION_no_reboot:
3932 no_reboot = 1;
3933 break;
b2f76161
AJ		 3934 case QEMU_OPTION_no_shutdown:
3935 no_shutdown = 1;
3936 break;
9467cd46
AZ		 3937 case QEMU_OPTION_show_cursor:
3938 cursor_hide = 0;
3939 break;
8fcb1b90 3940 case QEMU_OPTION_uuid:
9c5ce8db 3941 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
4cd70f34 3942 error_report("failed to parse UUID string: wrong format");
8fcb1b90
BS		 3943 exit(1);
3944 }
fc3b3295 3945 qemu_uuid_set = true;
8fcb1b90 3946 break;
99efa84d
MA		 3947 case QEMU_OPTION_option_rom:
3948 if (nb_option_roms >= MAX_OPTION_ROMS) {
3e515373 3949 error_report("too many option ROMs");
99efa84d
MA		 3950 exit(1);
3951 }
70b94331
MA		 3952 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3953 optarg, true);
49295ebc
MA		 3954 if (!opts) {
3955 exit(1);
3956 }
2e55e842
GN		 3957 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3958 option_rom[nb_option_roms].bootindex =
3959 qemu_opt_get_number(opts, "bootindex", -1);
3960 if (!option_rom[nb_option_roms].name) {
f61eddcb 3961 error_report("Option ROM file is not specified");
2e55e842
GN		 3962 exit(1);
3963 }
99efa84d
MA		 3964 nb_option_roms++;
3965 break;
8e71621f 3966 case QEMU_OPTION_semihosting:
cfe67cef
LA		 3967 semihosting.enabled = true;
3968 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079
LI		 3969 break;
3970 case QEMU_OPTION_semihosting_config:
cfe67cef 3971 semihosting.enabled = true;
70b94331
MA		 3972 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3973 optarg, false);
a38bb079 3974 if (opts != NULL) {
cfe67cef 3975 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
a38bb079
LI		 3976 true);
3977 const char *target = qemu_opt_get(opts, "target");
3978 if (target != NULL) {
3979 if (strcmp("native", target) == 0) {
cfe67cef 3980 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
a38bb079 3981 } else if (strcmp("gdb", target) == 0) {
cfe67cef 3982 semihosting.target = SEMIHOSTING_TARGET_GDB;
a38bb079 3983 } else if (strcmp("auto", target) == 0) {
cfe67cef 3984 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079 3985 } else {
3e515373 3986 error_report("unsupported semihosting-config %s",
f61eddcb 3987 optarg);
a38bb079
LI		 3988 exit(1);
3989 }
3990 } else {
cfe67cef 3991 semihosting.target = SEMIHOSTING_TARGET_AUTO;
a38bb079 3992 }
a59d31a1
LA		 3993 /* Set semihosting argument count and vector */
3994 qemu_opt_foreach(opts, add_semihosting_arg,
3995 &semihosting, NULL);
a38bb079 3996 } else {
3e515373 3997 error_report("unsupported semihosting-config %s", optarg);
a38bb079
LI		 3998 exit(1);
3999 }
8e71621f 4000 break;
88eed34a 4001 case QEMU_OPTION_tdf:
3dc6f869 4002 warn_report("ignoring deprecated option");
88eed34a 4003 break;
c35734b2 4004 case QEMU_OPTION_name:
70b94331
MA		 4005 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
4006 optarg, true);
5d12f961
DDAG		 4007 if (!opts) {
4008 exit(1);
4009 }
c35734b2 4010 break;
66508601
BS		 4011 case QEMU_OPTION_prom_env:
4012 if (nb_prom_envs >= MAX_PROM_ENVS) {
3e515373 4013 error_report("too many prom variables");
66508601
BS		 4014 exit(1);
4015 }
4016 prom_envs[nb_prom_envs] = optarg;
4017 nb_prom_envs++;
4018 break;
2b8f2d41
AZ		 4019 case QEMU_OPTION_old_param:
4020 old_param = 1;
05ebd537 4021 break;
f3dcfada 4022 case QEMU_OPTION_clock:
6d327171
AB		 4023 /* Clock options no longer exist. Keep this option for
4024 * backward compatibility.
4025 */
f3dcfada 4026 break;
7e0af5d0 4027 case QEMU_OPTION_startdate:
1ed2fc1f
JK		 4028 configure_rtc_date_offset(optarg, 1);
4029 break;
4030 case QEMU_OPTION_rtc:
70b94331
MA		 4031 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
4032 false);
1ed2fc1f 4033 if (!opts) {
1ed2fc1f 4034 exit(1);
7e0af5d0 4035 }
1ed2fc1f 4036 configure_rtc(opts);
7e0af5d0 4037 break;
26a5f13b 4038 case QEMU_OPTION_tb_size:
f940488f
EC		 4039#ifndef CONFIG_TCG
4040 error_report("TCG is disabled");
4041 exit(1);
4042#endif
8b3ae692
PB		 4043 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
4044 error_report("Invalid argument to -tb-size");
4045 exit(1);
d5ab9713 4046 }
26a5f13b 4047 break;
2e70f6ef 4048 case QEMU_OPTION_icount:
70b94331
MA		 4049 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
4050 optarg, true);
1ad9580b
ST		 4051 if (!icount_opts) {
4052 exit(1);
4053 }
2e70f6ef 4054 break;
5bb7910a 4055 case QEMU_OPTION_incoming:
7c76235a
DDAG		 4056 if (!incoming) {
4057 runstate_set(RUN_STATE_INMIGRATE);
4058 }
5bb7910a
AL		 4059 incoming = optarg;
4060 break;
d15c05fc 4061 case QEMU_OPTION_only_migratable:
3df663e5
PX		 4062 /*
4063 * TODO: we can remove this option one day, and we
4064 * should all use:
4065 *
4066 * "-global migration.only-migratable=true"
4067 */
b605c47b 4068 qemu_global_option("migration.only-migratable=true");
d15c05fc 4069 break;
d8c208dd 4070 case QEMU_OPTION_nodefaults:
d44229c5 4071 has_defaults = 0;
d8c208dd 4072 break;
e37630ca 4073 case QEMU_OPTION_xen_domid:
ad96090a 4074 if (!(xen_available())) {
da002526 4075 error_report("Option not supported for this target");
ad96090a
BS		 4076 exit(1);
4077 }
e37630ca
AL		 4078 xen_domid = atoi(optarg);
4079 break;
4080 case QEMU_OPTION_xen_create:
ad96090a 4081 if (!(xen_available())) {
da002526 4082 error_report("Option not supported for this target");
ad96090a
BS		 4083 exit(1);
4084 }
e37630ca
AL		 4085 xen_mode = XEN_CREATE;
4086 break;
4087 case QEMU_OPTION_xen_attach:
ad96090a 4088 if (!(xen_available())) {
da002526 4089 error_report("Option not supported for this target");
ad96090a
BS		 4090 exit(1);
4091 }
e37630ca
AL		 4092 xen_mode = XEN_ATTACH;
4093 break;
1c599472
PD		 4094 case QEMU_OPTION_xen_domid_restrict:
4095 if (!(xen_available())) {
4096 error_report("Option not supported for this target");
4097 exit(1);
4098 }
4099 xen_domid_restrict = true;
4100 break;
ab6540d5 4101 case QEMU_OPTION_trace:
e9e0bb2a
DL		 4102 g_free(trace_file);
4103 trace_file = trace_opt_parse(optarg);
ab6540d5 4104 break;
715a664a
GH		 4105 case QEMU_OPTION_readconfig:
4106 {
dcfb0939
KW		 4107 int ret = qemu_read_config_file(optarg);
4108 if (ret < 0) {
f61eddcb
EH		 4109 error_report("read config %s: %s", optarg,
4110 strerror(-ret));
715a664a
GH		 4111 exit(1);
4112 }
715a664a
GH		 4113 break;
4114 }
29b0040b
GH		 4115 case QEMU_OPTION_spice:
4116 olist = qemu_find_opts("spice");
4117 if (!olist) {
5dfdae81 4118 error_report("spice support is disabled");
29b0040b
GH		 4119 exit(1);
4120 }
70b94331 4121 opts = qemu_opts_parse_noisily(olist, optarg, false);
29b0040b 4122 if (!opts) {
29b0040b
GH		 4123 exit(1);
4124 }
f963e4d0 4125 display_remote++;
29b0040b 4126 break;
715a664a
GH		 4127 case QEMU_OPTION_writeconfig:
4128 {
4129 FILE *fp;
4130 if (strcmp(optarg, "-") == 0) {
4131 fp = stdout;
4132 } else {
4133 fp = fopen(optarg, "w");
4134 if (fp == NULL) {
f61eddcb
EH		 4135 error_report("open %s: %s", optarg,
4136 strerror(errno));
715a664a
GH		 4137 exit(1);
4138 }
4139 }
4140 qemu_config_write(fp);
7fb8b5d9
CG		 4141 if (fp != stdout) {
4142 fclose(fp);
4143 }
715a664a
GH		 4144 break;
4145 }
c7f0f3b1
AL		 4146 case QEMU_OPTION_qtest:
4147 qtest_chrdev = optarg;
4148 break;
4149 case QEMU_OPTION_qtest_log:
4150 qtest_log = optarg;
4151 break;
7d76ad4f 4152 case QEMU_OPTION_sandbox:
70b94331
MA		 4153 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4154 optarg, true);
7d76ad4f 4155 if (!opts) {
49295ebc 4156 exit(1);
7d76ad4f
EO		 4157 }
4158 break;
587ed6be
CB		 4159 case QEMU_OPTION_add_fd:
4160#ifndef _WIN32
70b94331
MA		 4161 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4162 optarg, false);
587ed6be 4163 if (!opts) {
49295ebc 4164 exit(1);
587ed6be
CB		 4165 }
4166#else
4167 error_report("File descriptor passing is disabled on this "
4168 "platform");
4169 exit(1);
4170#endif
4171 break;
68d98d3e 4172 case QEMU_OPTION_object:
70b94331
MA		 4173 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4174 optarg, true);
49295ebc
MA		 4175 if (!opts) {
4176 exit(1);
4177 }
68d98d3e 4178 break;
888a6bc6 4179 case QEMU_OPTION_realtime:
70b94331
MA		 4180 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4181 optarg, false);
888a6bc6
SM		 4182 if (!opts) {
4183 exit(1);
4184 }
28d16f38 4185 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
888a6bc6 4186 break;
5e2ac519 4187 case QEMU_OPTION_msg:
70b94331
MA		 4188 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4189 false);
5e2ac519
SA		 4190 if (!opts) {
4191 exit(1);
4192 }
4193 configure_msg(opts);
4194 break;
abfd9ce3 4195 case QEMU_OPTION_dump_vmstate:
522abf69 4196 if (vmstate_dump_file) {
f61eddcb
EH		 4197 error_report("only one '-dump-vmstate' "
4198 "option may be given");
522abf69
GA		 4199 exit(1);
4200 }
abfd9ce3
AS		 4201 vmstate_dump_file = fopen(optarg, "w");
4202 if (vmstate_dump_file == NULL) {
f61eddcb 4203 error_report("open %s: %s", optarg, strerror(errno));
abfd9ce3
AS		 4204 exit(1);
4205 }
4206 break;
59a5264b
JS		 4207 default:
4208 os_parse_cmd_args(popt->index, optarg);
cd6f1169 4209 }
0824d6fc
FB		 4210 }
4211 }
43fa1e0b
EH		 4212 /*
4213 * Clear error location left behind by the loop.
4214 * Best done right after the loop. Do not insert code here!
4215 */
4216 loc_set_none();
364c3e6b 4217
4c27b859
PD		 4218 replay_configure(icount_opts);
4219
7580f231 4220 machine_class = select_machine();
076b35b5
ND		 4221
4222 set_memory_options(&ram_slots, &maxram_size, machine_class);
3b9985e9 4223
2d9c2725 4224 os_daemonize();
73c6e401 4225 rcu_disable_atfork();
2d9c2725 4226
004c8e00
MT		 4227 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4228 error_report("could not acquire pid file: %s", strerror(errno));
4229 exit(1);
4230 }
4231
2f78e491 4232 if (qemu_init_main_loop(&main_loop_err)) {
565f65d2 4233 error_report_err(main_loop_err);
1c53786f
PB		 4234 exit(1);
4235 }
4236
28d0de7a
MA		 4237 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4238 parse_sandbox, NULL, NULL)) {
7d76ad4f
EO		 4239 exit(1);
4240 }
4241
28d0de7a
MA		 4242 if (qemu_opts_foreach(qemu_find_opts("name"),
4243 parse_name, NULL, NULL)) {
5b9d313e
DDAG		 4244 exit(1);
4245 }
4246
587ed6be 4247#ifndef _WIN32
28d0de7a
MA		 4248 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4249 parse_add_fd, NULL, NULL)) {
587ed6be
CB		 4250 exit(1);
4251 }
4252
28d0de7a
MA		 4253 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4254 cleanup_add_fd, NULL, NULL)) {
587ed6be
CB		 4255 exit(1);
4256 }
4257#endif
4258
0056ae24
MA		 4259 current_machine = MACHINE(object_new(object_class_get_name(
4260 OBJECT_CLASS(machine_class))));
52eb3dfd
MA		 4261 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4262 exit(0);
4263 }
0056ae24
MA		 4264 object_property_add_child(object_get_root(), "machine",
4265 OBJECT(current_machine), &error_abort);
20bccb82
PM		 4266
4267 if (machine_class->minimum_page_bits) {
4268 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4269 /* This would be a board error: specifying a minimum smaller than
4270 * a target's compile-time fixed setting.
4271 */
4272 g_assert_not_reached();
4273 }
4274 }
4275
b5c2c3d0 4276 cpu_exec_init_all();
0056ae24 4277
958db90c 4278 if (machine_class->hw_version) {
35c2c8dc 4279 qemu_set_hw_version(machine_class->hw_version);
93bfef4c
CV		 4280 }
4281
c8057f95 4282 if (cpu_model && is_help_option(cpu_model)) {
1d6528af 4283 list_cpus(stdout, &fprintf, cpu_model);
ecf40bea
EH		 4284 exit(0);
4285 }
4286
62cb4145
DL		 4287 if (!trace_init_backends()) {
4288 exit(1);
4289 }
41fc57e4
PB		 4290 trace_init_file(trace_file);
4291
67633bb4 4292 /* Open the logfile at this point and set the log mask if necessary.
c235d738 4293 */
67633bb4 4294 if (log_file) {
daa76aa4 4295 qemu_set_log_filename(log_file, &error_fatal);
67633bb4
PK		 4296 }
4297
c235d738 4298 if (log_mask) {
b946bffa 4299 int mask;
b946bffa
PM		 4300 mask = qemu_str_to_log_mask(log_mask);
4301 if (!mask) {
4302 qemu_print_log_usage(stdout);
4303 exit(1);
4304 }
4305 qemu_set_log(mask);
ed7f5f1d
PB		 4306 } else {
4307 qemu_set_log(0);
c235d738 4308 }
330d0414 4309
3d5eecab
GH		 4310 /* add configured firmware directories */
4311 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4312 for (i = 0; dirs[i] != NULL; i++) {
4313 qemu_add_data_dir(dirs[i]);
4314 }
4315
4316 /* try to find datadir relative to the executable path */
2a1cce90
GH		 4317 qemu_add_data_dir(os_find_datadir());
4318
3d5eecab 4319 /* add the datadir specified when building */
2a1cce90 4320 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
5cea8590 4321
37146e7e
RJ		 4322 /* -L help lists the data directories and exits. */
4323 if (list_data_dirs) {
4324 for (i = 0; i < data_dir_idx; i++) {
4325 printf("%s\n", data_dir[i]);
4326 }
4327 exit(0);
4328 }
4329
72649619
EC		 4330 /* machine_class: default to UP */
4331 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4332 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4333 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4334
4335 /* default to machine_class->default_cpus */
4336 smp_cpus = machine_class->default_cpus;
4337 max_cpus = machine_class->default_cpus;
4338
12b7f57e 4339 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
6be68d7e 4340
72649619
EC		 4341 /* sanity-check smp_cpus and max_cpus against machine_class */
4342 if (smp_cpus < machine_class->min_cpus) {
4343 error_report("Invalid SMP CPUs %d. The min CPUs "
4344 "supported by machine '%s' is %d", smp_cpus,
4345 machine_class->name, machine_class->min_cpus);
4346 exit(1);
4347 }
c00cd995 4348 if (max_cpus > machine_class->max_cpus) {
c0dd1099
ST		 4349 error_report("Invalid SMP CPUs %d. The max CPUs "
4350 "supported by machine '%s' is %d", max_cpus,
f61eddcb 4351 machine_class->name, machine_class->max_cpus);
b2097003
AL		 4352 exit(1);
4353 }
4354
67b724e6
AP		 4355 /*
4356 * Get the default machine options from the machine if it is not already
4357 * specified either by the configuration file or by the command line.
4358 */
958db90c 4359 if (machine_class->default_machine_opts) {
25de5935 4360 qemu_opts_set_defaults(qemu_find_opts("machine"),
958db90c 4361 machine_class->default_machine_opts, 0);
67b724e6
AP		 4362 }
4363
28d0de7a
MA		 4364 qemu_opts_foreach(qemu_find_opts("device"),
4365 default_driver_check, NULL, NULL);
4366 qemu_opts_foreach(qemu_find_opts("global"),
4367 default_driver_check, NULL, NULL);
998bbd74 4368
d44229c5
MW		 4369 if (!vga_model && !default_vga) {
4370 vga_interface_type = VGA_DEVICE;
4371 }
958db90c 4372 if (!has_defaults || machine_class->no_serial) {
986c5f78
GH		 4373 default_serial = 0;
4374 }
958db90c 4375 if (!has_defaults || machine_class->no_parallel) {
986c5f78
GH		 4376 default_parallel = 0;
4377 }
958db90c 4378 if (!has_defaults || !machine_class->use_virtcon) {
986c5f78
GH		 4379 default_virtcon = 0;
4380 }
958db90c 4381 if (!has_defaults || !machine_class->use_sclp) {
3ef669e1
AG		 4382 default_sclp = 0;
4383 }
958db90c 4384 if (!has_defaults || machine_class->no_floppy) {
ac33f8fa
GH		 4385 default_floppy = 0;
4386 }
958db90c 4387 if (!has_defaults || machine_class->no_cdrom) {
ac33f8fa
GH		 4388 default_cdrom = 0;
4389 }
958db90c 4390 if (!has_defaults || machine_class->no_sdcard) {
ac33f8fa
GH		 4391 default_sdcard = 0;
4392 }
d44229c5
MW		 4393 if (!has_defaults) {
4394 default_monitor = 0;
4395 default_net = 0;
4396 default_vga = 0;
4397 }
986c5f78 4398
ab51b1d5
MT		 4399 if (is_daemonized()) {
4400 /* According to documentation and historically, -nographic redirects
4401 * serial port, parallel port and monitor to stdio, which does not work
4402 * with -daemonize. We can redirect these to null instead, but since
4403 * -nographic is legacy, let's just error out.
4404 * We disallow -nographic only if all other ports are not redirected
4405 * explicitly, to not break existing legacy setups which uses
4406 * -nographic _and_ redirects all ports explicitly - this is valid
4407 * usage, -nographic is just a no-op in this case.
4408 */
cfc58cf3 4409 if (nographic
ab51b1d5
MT		 4410 && (default_parallel || default_serial
4411 || default_monitor || default_virtcon)) {
4cd70f34 4412 error_report("-nographic cannot be used with -daemonize");
ab51b1d5
MT		 4413 exit(1);
4414 }
4415#ifdef CONFIG_CURSES
4416 if (display_type == DT_CURSES) {
4cd70f34 4417 error_report("curses display cannot be used with -daemonize");
ab51b1d5
MT		 4418 exit(1);
4419 }
4420#endif
4421 }
4422
cfc58cf3 4423 if (nographic) {
6a5e8b0e
GH		 4424 if (default_parallel)
4425 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 4426 if (default_serial && default_monitor) {
4427 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH		 4428 } else if (default_virtcon && default_monitor) {
4429 add_device_config(DEV_VIRTCON, "mon:stdio");
3ef669e1
AG		 4430 } else if (default_sclp && default_monitor) {
4431 add_device_config(DEV_SCLP, "mon:stdio");
e1c09175
GH		 4432 } else {
4433 if (default_serial)
4434 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH		 4435 if (default_virtcon)
4436 add_device_config(DEV_VIRTCON, "stdio");
3ef669e1
AG		 4437 if (default_sclp) {
4438 add_device_config(DEV_SCLP, "stdio");
4439 }
e1c09175 4440 if (default_monitor)
4821cd4c 4441 monitor_parse("stdio", "readline", false);
e1c09175 4442 }
998bbd74
GH		 4443 } else {
4444 if (default_serial)
4445 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 4446 if (default_parallel)
4447 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4448 if (default_monitor)
4821cd4c 4449 monitor_parse("vc:80Cx24C", "readline", false);
38536da1
AG		 4450 if (default_virtcon)
4451 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3ef669e1
AG		 4452 if (default_sclp) {
4453 add_device_config(DEV_SCLP, "vc:80Cx24C");
4454 }
bc0129d9
AL		 4455 }
4456
006decd4
GH		 4457#if defined(CONFIG_VNC)
4458 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4459 display_remote++;
4460 }
4461#endif
15546425
AL		 4462 if (display_type == DT_DEFAULT && !display_remote) {
4463#if defined(CONFIG_GTK)
4464 display_type = DT_GTK;
7b7d2be5 4465#elif defined(CONFIG_SDL)
15546425 4466 display_type = DT_SDL;
7b7d2be5
EH		 4467#elif defined(CONFIG_COCOA)
4468 display_type = DT_COCOA;
15546425 4469#elif defined(CONFIG_VNC)
70b94331 4470 vnc_parse("localhost:0,to=99,id=default", &error_abort);
15546425
AL		 4471#else
4472 display_type = DT_NONE;
4473#endif
4474 }
4475
047d4e15 4476 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
f61eddcb
EH		 4477 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4478 "for SDL, ignoring option");
047d4e15
PW		 4479 }
4480 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
f61eddcb
EH		 4481 error_report("-no-quit is only valid for GTK and SDL, "
4482 "ignoring option");
047d4e15
PW		 4483 }
4484
15546425 4485 if (display_type == DT_GTK) {
97edf3bd 4486 early_gtk_display_init(request_opengl);
15546425 4487 }
19a2c626 4488
0b71a5d5
GH		 4489 if (display_type == DT_SDL) {
4490 sdl_display_early_init(request_opengl);
4491 }
476db081 4492
777357d7
MAL		 4493 qemu_console_early_init();
4494
0b71a5d5
GH		 4495 if (request_opengl == 1 && display_opengl == 0) {
4496#if defined(CONFIG_OPENGL)
8afb9000 4497 error_report("OpenGL is not supported by the display");
0b71a5d5 4498#else
5dfdae81 4499 error_report("OpenGL support is disabled");
0b71a5d5
GH		 4500#endif
4501 exit(1);
4502 }
15546425 4503
87f50caa 4504 page_size_init();
a5829fd9
T		 4505 socket_init();
4506
1c7ba94a 4507 if (qemu_opts_foreach(qemu_find_opts("object"),
90998d58 4508 user_creatable_add_opts_foreach,
51b9b478 4509 object_create_initial, NULL)) {
1a688d3b 4510 exit(1);
a4c7367f
MA		 4511 }
4512
2c189a4e
DB		 4513 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4514 chardev_init_func, NULL, NULL)) {
4515 exit(1);
4516 }
4517
758e8e38 4518#ifdef CONFIG_VIRTFS
28d0de7a
MA		 4519 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4520 fsdev_init_func, NULL, NULL)) {
74db920c
GS		 4521 exit(1);
4522 }
4523#endif
1a688d3b 4524
28d0de7a
MA		 4525 if (qemu_opts_foreach(qemu_find_opts("device"),
4526 device_help_func, NULL, NULL)) {
3d1d9652
BR		 4527 exit(0);
4528 }
4529
6b1b1440 4530 machine_opts = qemu_get_machine_opts();
71df1d83
MA		 4531 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4532 NULL)) {
6b1b1440
MA		 4533 object_unref(OBJECT(current_machine));
4534 exit(1);
4535 }
4536
f6a1ef64 4537 configure_accelerator(current_machine);
214910a7 4538
00b8ea4e
PX		 4539 /*
4540 * Register all the global properties, including accel properties,
4541 * machine properties, and user-specified ones.
4542 */
4543 register_global_properties(current_machine);
4544
4545 /*
4546 * Migration object can only be created after global properties
4547 * are applied correctly.
4548 */
4549 migration_object_init();
4550
2c189a4e 4551 if (qtest_chrdev) {
007b0657 4552 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
2c189a4e
DB		 4553 }
4554
2ff3de68
MA		 4555 machine_opts = qemu_get_machine_opts();
4556 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4557 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4558 kernel_cmdline = qemu_opt_get(machine_opts, "append");
1442d3e6 4559 bios_name = qemu_opt_get(machine_opts, "firmware");
967c0da7 4560
8281abd5
MA		 4561 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4562 if (opts) {
f05f47bb
GA		 4563 boot_order = qemu_opt_get(opts, "order");
4564 if (boot_order) {
007b0657 4565 validate_bootdevices(boot_order, &error_fatal);
8281abd5
MA		 4566 }
4567
f05f47bb
GA		 4568 boot_once = qemu_opt_get(opts, "once");
4569 if (boot_once) {
007b0657 4570 validate_bootdevices(boot_once, &error_fatal);
8281abd5
MA		 4571 }
4572
4573 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
e5187b56 4574 boot_strict = qemu_opt_get_bool(opts, "strict", false);
8281abd5
MA		 4575 }
4576
f05f47bb
GA		 4577 if (!boot_order) {
4578 boot_order = machine_class->default_boot_order;
4579 }
4580
a0abe474
PM		 4581 if (!kernel_cmdline) {
4582 kernel_cmdline = "";
6b1b1440 4583 current_machine->kernel_cmdline = (char *)kernel_cmdline;
a0abe474
PM		 4584 }
4585
a20dd508 4586 linux_boot = (kernel_filename != NULL);
6c41b272 4587
f8d39c01 4588 if (!linux_boot && *kernel_cmdline != '\0') {
f61eddcb 4589 error_report("-append only allowed with -kernel option");
f8d39c01
TS		 4590 exit(1);
4591 }
4592
4593 if (!linux_boot && initrd_filename != NULL) {
f61eddcb 4594 error_report("-initrd only allowed with -kernel option");
f8d39c01
TS		 4595 exit(1);
4596 }
4597
a59d31a1
LA		 4598 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4599 /* fall back to the -kernel/-append */
4600 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4601 }
4602
9156d763 4603 os_set_line_buffering();
3b46e624 4604
ad1be899
AL		 4605 /* spice needs the timers to be initialized by this point */
4606 qemu_spice_init();
ad1be899 4607
4603ea01 4608 cpu_ticks_init();
1ad9580b 4609 if (icount_opts) {
b0cb0a66
VP		 4610 if (!tcg_enabled()) {
4611 error_report("-icount is not allowed with hardware virtualization");
1ad9580b
ST		 4612 exit(1);
4613 }
4614 configure_icount(icount_opts, &error_abort);
4615 qemu_opts_del(icount_opts);
0abe905d 4616 }
634fce96 4617
e7b161d5
YZ		 4618 if (tcg_enabled()) {
4619 qemu_tcg_configure(accel_opts, &error_fatal);
4620 }
83fd9629 4621
d30300f7
EH		 4622 if (default_net) {
4623 QemuOptsList *net = qemu_find_opts("net");
4624 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4625#ifdef CONFIG_SLIRP
4626 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4627#endif
4628 }
4629
5821ebf9
HZ		 4630 colo_info_init();
4631
dc1c9fe8
MM		 4632 if (net_init_clients() < 0) {
4633 exit(1);
702c651c 4634 }
f1510b2c 4635
9abce56d 4636 if (qemu_opts_foreach(qemu_find_opts("object"),
90998d58 4637 user_creatable_add_opts_foreach,
51b9b478 4638 object_create_delayed, NULL)) {
9abce56d
YH		 4639 exit(1);
4640 }
4641
d1a0cf73
SB		 4642 if (tpm_init() < 0) {
4643 exit(1);
4644 }
d1a0cf73 4645
dc72ac14 4646 /* init the bluetooth world */
bd3c948d
GH		 4647 if (foreach_device_config(DEV_BT, bt_parse))
4648 exit(1);
dc72ac14 4649
834e76ea
AP		 4650 if (!xen_enabled()) {
4651 /* On 32-bit hosts, QEMU is limited by virtual address space */
4652 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
f61eddcb 4653 error_report("at most 2047 MB RAM can be simulated");
834e76ea
AP		 4654 exit(1);
4655 }
4656 }
9ae02555 4657
c163b5ca 4658 blk_mig_init();
0d6ab3ab 4659 ram_mig_init();
c163b5ca 4660
16026518
JS		 4661 /* If the currently selected machine wishes to override the units-per-bus
4662 * property of its default HBA interface type, do so now. */
4663 if (machine_class->units_per_default_bus) {
4664 override_max_devs(machine_class->block_default_type,
4665 machine_class->units_per_default_bus);
4666 }
4667
e4bcb14c 4668 /* open the virtual block devices */
42e5f393
MA		 4669 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4670 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4671
4672 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4673 loc_push_restore(&bdo->loc);
4674 qmp_blockdev_add(bdo->bdo, &error_fatal);
4675 loc_pop(&bdo->loc);
4676 qapi_free_BlockdevOptions(bdo->bdo);
4677 g_free(bdo);
4678 }
4c27b859
PD		 4679 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4680 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4681 NULL, NULL);
4682 }
2d0d2837 4683 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
28d0de7a 4684 &machine_class->block_default_type, NULL)) {
9dfd7c7a 4685 exit(1);
2d0d2837 4686 }
3e3d5815 4687
958db90c 4688 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
3c42ea66
CB		 4689 CDROM_OPTS);
4690 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4691 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4e5d9b57 4692
28d0de7a
MA		 4693 if (qemu_opts_foreach(qemu_find_opts("mon"),
4694 mon_init_func, NULL, NULL)) {
157b9319
JK		 4695 exit(1);
4696 }
4697
998bbd74
GH		 4698 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4699 exit(1);
6a5e8b0e
GH		 4700 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4701 exit(1);
aee1b935
GH		 4702 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4703 exit(1);
3ef669e1
AG		 4704 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4705 exit(1);
4706 }
c9f398e5
PA		 4707 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4708 exit(1);
2796dae0 4709
7f1b17f2 4710 /* If no default VGA is requested, the default is "none". */
3605ded5 4711 if (default_vga) {
6f00494a
GH		 4712 if (machine_class->default_display) {
4713 vga_model = machine_class->default_display;
c2c7b22d 4714 } else if (vga_interface_available(VGA_CIRRUS)) {
3605ded5 4715 vga_model = "cirrus";
c2c7b22d 4716 } else if (vga_interface_available(VGA_STD)) {
3605ded5
AJ		 4717 vga_model = "std";
4718 }
a369da5f 4719 }
d44229c5
MW		 4720 if (vga_model) {
4721 select_vgahw(vga_model);
4722 }
a369da5f 4723
09aaa160
MA		 4724 if (watchdog) {
4725 i = select_watchdog(watchdog);
4726 if (i > 0)
4727 exit (i == 1 ? 1 : 0);
4728 }
4729
8bd7f71d
PD		 4730 /* This checkpoint is required by replay to separate prior clock
4731 reading from the other reads, because timer polling functions query
4732 clock values from the log. */
4733 replay_checkpoint(CHECKPOINT_INIT);
1de81d28
AL		 4734 qdev_machine_init();
4735
3ef96221 4736 current_machine->ram_size = ram_size;
c270fb9e
IM		 4737 current_machine->maxram_size = maxram_size;
4738 current_machine->ram_slots = ram_slots;
3ef96221 4739 current_machine->boot_order = boot_order;
3ef96221
MA		 4740 current_machine->cpu_model = cpu_model;
4741
7b8be49d 4742 parse_numa_opts(current_machine);
6063d4c0
IM		 4743
4744 /* parse features once if machine provides default cpu_type */
4745 if (machine_class->default_cpu_type) {
4746 current_machine->cpu_type = machine_class->default_cpu_type;
4747 if (cpu_model) {
4748 current_machine->cpu_type =
4749 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4750 }
4751 }
4752
482dfe9a 4753 machine_run_board_init(current_machine);
3023f332 4754
28d16f38
HZ		 4755 realtime_init();
4756
4c565674 4757 soundhw_init();
b3e6d591 4758
b0cb0a66
VP		 4759 if (hax_enabled()) {
4760 hax_sync_vcpus();
4761 }
4762
81b2b810
GS		 4763 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4764 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4765 exit(1);
4766 }
4767
3023f332 4768 /* init USB devices */
4bcbe0b6 4769 if (machine_usb(current_machine)) {
0752706d
MA		 4770 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4771 exit(1);
3023f332
AL		 4772 }
4773
79814179
TC		 4774 /* Check if IGD GFX passthrough. */
4775 igd_gfx_passthru();
4776
bd3c948d 4777 /* init generic devices */
bab47d9a 4778 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
28d0de7a
MA		 4779 if (qemu_opts_foreach(qemu_find_opts("device"),
4780 device_init_func, NULL, NULL)) {
bd3c948d 4781 exit(1);
a4c7367f 4782 }
9c6703fe 4783
3741c250
DL		 4784 cpu_synchronize_all_post_init();
4785
bab47d9a 4786 rom_reset_order_override();
bd3c948d 4787
a64aa578
MA		 4788 /*
4789 * Create frontends for -drive if=scsi leftovers.
4790 * Normally, frontends for -drive get created by machine
4791 * initialization for onboard SCSI HBAs. However, we create a few
4792 * more ever since SCSI qdevification, but this is pretty much an
4793 * implementation accident, and deprecated.
4794 */
fb8b660e
MA		 4795 scsi_legacy_handle_cmdline();
4796
a66c9dc7
JS		 4797 /* Did we create any drives that we failed to create a device for? */
4798 drive_check_orphaned();
4799
d30300f7
EH		 4800 /* Don't warn about the default network setup that you get if
4801 * no command line -net or -netdev options are specified. There
4802 * are two cases that we would otherwise complain about:
4803 * (1) board doesn't support a NIC but the implicit "-net nic"
4804 * requested one
4805 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4806 * sets up a nic that isn't connected to anything.
4807 */
4808 if (!default_net) {
4809 net_check_clients();
4810 }
4811
668680f7 4812
f05f47bb 4813 if (boot_once) {
07d04a02 4814 qemu_boot_set(boot_once, &error_fatal);
f05f47bb
GA		 4815 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4816 }
4817
64840c66 4818 ds = init_displaystate();
993fbfdb 4819
6b62dc2d 4820 /* init local displays */
993fbfdb 4821 switch (display_type) {
993fbfdb 4822 case DT_CURSES:
ab51b1d5 4823 curses_display_init(ds, full_screen);
993fbfdb 4824 break;
993fbfdb
AL		 4825 case DT_SDL:
4826 sdl_display_init(ds, full_screen, no_frame);
4827 break;
7b7d2be5 4828 case DT_COCOA:
993fbfdb
AL		 4829 cocoa_display_init(ds, full_screen);
4830 break;
15546425 4831 case DT_GTK:
881249c7 4832 gtk_display_init(ds, full_screen, grab_on_hover);
15546425 4833 break;
6b62dc2d
GH		 4834 default:
4835 break;
4836 }
4837
0ce235a7
GN		 4838 /* must be after terminal init, SDL library changes signal handlers */
4839 os_setup_signal_handling();
4840
6b62dc2d 4841 /* init remote displays */
a663fbd9 4842#ifdef CONFIG_VNC
28d0de7a
MA		 4843 qemu_opts_foreach(qemu_find_opts("vnc"),
4844 vnc_init_func, NULL, NULL);
a663fbd9 4845#endif
f8c75b24 4846
9fa03286
GH		 4847 if (using_spice) {
4848 qemu_spice_display_init();
a3e22260 4849 }
5b08fc10 4850
371ec54e 4851#ifdef CONFIG_OPENGL_DMABUF
bb1599b6
GH		 4852 if (display_type == DT_EGL) {
4853 egl_headless_init();
4854 }
4855#endif
4856
ef0c4a0d 4857 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
59030a8c 4858 exit(1);
45669e00 4859 }
45669e00 4860
3418bd25
GH		 4861 qdev_machine_creation_done();
4862
80376c3f
IY		 4863 /* TODO: once all bus devices are qdevified, this should be done
4864 * when bus is created by qdev.c */
4865 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4cab946a
GN		 4866 qemu_run_machine_init_done_notifiers();
4867
6b3f7f63 4868 if (rom_check_and_register_reset() != 0) {
f61eddcb 4869 error_report("rom check and register reset failed");
6b3f7f63
EA		 4870 exit(1);
4871 }
d916b464 4872
7615936e
PD		 4873 replay_start();
4874
8bd7f71d
PD		 4875 /* This checkpoint is required by replay to separate prior clock
4876 reading from the other reads, because timer polling functions query
4877 clock values from the log. */
4878 replay_checkpoint(CHECKPOINT_RESET);
aedbe192 4879 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
48212d87 4880 register_global_state();
9c2037d0
PD		 4881 if (replay_mode != REPLAY_MODE_NONE) {
4882 replay_vmstate_init();
4883 } else if (loadvm) {
927d6638 4884 Error *local_err = NULL;
5e22479a 4885 if (load_snapshot(loadvm, &local_err) < 0) {
927d6638 4886 error_report_err(local_err);
05f2401e
JQ		 4887 autostart = 0;
4888 }
4889 }
d63d307f 4890
d828c430 4891 qdev_prop_check_globals();
abfd9ce3
AS		 4892 if (vmstate_dump_file) {
4893 /* dump and exit */
4894 dump_vmstate_json_to_file(vmstate_dump_file);
4895 return 0;
4896 }
9f9260a3 4897
2bb8c10c 4898 if (incoming) {
43eaae28
PB		 4899 Error *local_err = NULL;
4900 qemu_start_incoming_migration(incoming, &local_err);
4901 if (local_err) {
c29b77f9 4902 error_reportf_err(local_err, "-incoming %s: ", incoming);
43eaae28 4903 exit(1);
8ca5e801 4904 }
6b99dadc 4905 } else if (autostart) {
c0f4ce77 4906 vm_start();
6b99dadc 4907 }
ffd843bc 4908
eb505be1 4909 os_setup_post();
71e3ceb8 4910
8a7ddc38 4911 main_loop();
7615936e 4912 replay_disable_events();
dce8921b 4913 iothread_stop_all();
7615936e 4914
99435906 4915 pause_all_vcpus();
452589b6 4916 bdrv_close_all();
3d3b8303 4917 res_free();
b46a8906 4918
aa5cb7f5 4919 /* vhost-user must be cleaned up before chardevs. */
c37cacab 4920 tpm_cleanup();
8caf911d 4921 net_cleanup();
a384c205 4922 audio_cleanup();
2ef45716 4923 monitor_cleanup();
aa5cb7f5 4924 qemu_chr_cleanup();
9d5139e5 4925 user_creatable_cleanup();
474628e8 4926 /* TODO: unref root container, check all devices are ok */
8caf911d 4927
0824d6fc
FB		 4928 return 0;
4929}
Mirror of https://git.qemu.org/git/qemu.git