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hw/timer/armv7m_systick: Rewrite to use ptimers
[qemu.git] / softmmu / vl.c
CommitLineData
0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
0824d6fc 23 */
e688df6b 24
d38ea87a 25#include "qemu/osdep.h"
a8d25326 26#include "qemu-common.h"
3dc54b0e 27#include "qemu/units.h"
fe48442f 28#include "hw/boards.h"
a27bd6c7 29#include "hw/qdev-properties.h"
e688df6b 30#include "qapi/error.h"
67a1de0d 31#include "qemu-version.h"
f348b6d1
VB		 32#include "qemu/cutils.h"
33#include "qemu/help_option.h"
cea25275 34#include "qemu/uuid.h"
71e8a915 35#include "sysemu/reset.h"
54d31236 36#include "sysemu/runstate.h"
9c17d615 37#include "sysemu/seccomp.h"
14a48c1d 38#include "sysemu/tcg.h"
da278d58 39#include "sysemu/xen.h"
452dfbef 40
d49b6836 41#include "qemu/error-report.h"
c8897e8e 42#include "qemu/sockets.h"
a1a9cb0c 43#include "sysemu/accel.h"
511d2b14 44#include "hw/usb.h"
0d09e41a 45#include "hw/isa/isa.h"
fb8b660e 46#include "hw/scsi/scsi.h"
866e2b37 47#include "hw/display/vga.h"
0d09e41a 48#include "sysemu/watchdog.h"
a2eb5c0c 49#include "hw/firmware/smbios.h"
9f57061c 50#include "hw/acpi/acpi.h"
0d09e41a 51#include "hw/xen/xen.h"
45a50b16 52#include "hw/loader.h"
b4a42f81 53#include "monitor/qdev.h"
1422e32d 54#include "net/net.h"
68ac40d2 55#include "net/slirp.h"
83c9089e 56#include "monitor/monitor.h"
28ecbaee 57#include "ui/console.h"
e0d2bd51 58#include "ui/input.h"
9c17d615 59#include "sysemu/sysemu.h"
e35704ba 60#include "sysemu/numa.h"
900c0ba3 61#include "sysemu/hostmem.h"
022c62cb 62#include "exec/gdbstub.h"
1de7afc9 63#include "qemu/timer.h"
8228e353 64#include "chardev/char.h"
b33276a7 65#include "qemu/bitmap.h"
03dd024f 66#include "qemu/log.h"
9c17d615 67#include "sysemu/blockdev.h"
0d09e41a 68#include "hw/block/block.h"
7b1e1a22 69#include "migration/misc.h"
5e22479a 70#include "migration/snapshot.h"
84a899de 71#include "migration/global_state.h"
bdee56f5 72#include "sysemu/tpm.h"
9c17d615 73#include "sysemu/dma.h"
8a824e4d 74#include "hw/audio/soundhw.h"
511d2b14 75#include "audio/audio.h"
4b4629d9 76#include "sysemu/cpus.h"
740b1759 77#include "sysemu/cpu-timers.h"
5821ebf9 78#include "migration/colo.h"
1693c64c 79#include "migration/postcopy-ram.h"
9c17d615 80#include "sysemu/kvm.h"
b0cb0a66 81#include "sysemu/hax.h"
42e5f393 82#include "qapi/qobject-input-visitor.h"
1de7afc9
PB		 83#include "qemu/option.h"
84#include "qemu/config-file.h"
59a5264b 85#include "qemu-options.h"
1de7afc9 86#include "qemu/main-loop.h"
758e8e38 87#ifdef CONFIG_VIRTFS
74db920c
GS		 88#include "fsdev/qemu-fsdev.h"
89#endif
9c17d615 90#include "sysemu/qtest.h"
511d2b14 91
76cad711 92#include "disas/disas.h"
fc01f7e7 93
8b7a5507 94#include "trace.h"
e4858974 95#include "trace/control.h"
42229a75 96#include "qemu/plugin.h"
1de7afc9 97#include "qemu/queue.h"
9c17d615 98#include "sysemu/arch_init.h"
72cf2d4f 99
29b0040b 100#include "ui/qemu-spice.h"
68d98d3e 101#include "qapi/string-input-visitor.h"
c4090f8e 102#include "qapi/opts-visitor.h"
776d1344 103#include "qapi/clone-visitor.h"
84321831 104#include "qom/object_interfaces.h"
f1672e6f 105#include "hw/semihosting/semihost.h"
ddbb0d09 106#include "crypto/init.h"
b60c48a7 107#include "sysemu/replay.h"
9af23989
MA		 108#include "qapi/qapi-events-run-state.h"
109#include "qapi/qapi-visit-block-core.h"
776d1344 110#include "qapi/qapi-visit-ui.h"
112ed241 111#include "qapi/qapi-commands-block-core.h"
112ed241 112#include "qapi/qapi-commands-run-state.h"
e1ca8f7e 113#include "qapi/qapi-commands-ui.h"
0194749a 114#include "qapi/qmp/qerror.h"
dce8921b 115#include "sysemu/iothread.h"
9c09a251 116#include "qemu/guest-random.h"
29b0040b 117
98b19252
AS		 118#define MAX_VIRTIO_CONSOLES 1
119
4524051c
GH		 120static const char *data_dir[16];
121static int data_dir_idx;
1192dad8 122const char *bios_name = NULL;
cb5a7aa8 123enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
da076ffe 124int display_opengl;
3d11d0eb 125const char* keyboard_layout = NULL;
c227f099 126ram_addr_t ram_size;
28d16f38 127bool enable_mlock = false;
6f131f13 128bool enable_cpu_pm = false;
c4b1fcc0 129int nb_nics;
7c9d8e07 130NICInfo nd_table[MAX_NICS];
d399f677 131int autostart;
7e166ebd
AP		 132static enum {
133 RTC_BASE_UTC,
134 RTC_BASE_LOCALTIME,
135 RTC_BASE_DATETIME,
136} rtc_base_type = RTC_BASE_UTC;
eb6a5209
AP		 137static time_t rtc_ref_start_datetime;
138static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
139static int rtc_host_datetime_offset = -1; /* valid & used only with
140 RTC_BASE_DATETIME */
884f17c2 141QEMUClockType rtc_clock;
64465297 142int vga_interface_type = VGA_NONE;
0c8d7065 143static DisplayOptions dpy;
b8d880ba
PM		 144static int num_serial_hds;
145static Chardev **serial_hds;
0ec7b3e7 146Chardev *parallel_hds[MAX_PARALLEL_PORTS];
a09db21f 147int win2k_install_hack = 0;
1b530a6d 148int singlestep = 0;
16b29ae1 149int no_hpet = 0;
52ca8d6a 150int fd_bootchk = 1;
4fdcac0e 151static int no_reboot;
b2f76161 152int no_shutdown = 0;
a171fe39 153int graphic_rotate = 0;
09aaa160 154const char *watchdog;
2e55e842 155QEMUOptionRom option_rom[MAX_OPTION_ROMS];
9ae02555 156int nb_option_roms;
2b8f2d41 157int old_param = 0;
c35734b2 158const char *qemu_name;
3780e197 159int alt_grab = 0;
0ca9f8a4 160int ctrl_grab = 0;
66508601
BS		 161unsigned int nb_prom_envs = 0;
162const char *prom_envs[MAX_PROM_ENVS];
95387491 163int boot_menu;
bc74112f 164bool boot_strict;
3d3b8303 165uint8_t *boot_splash_filedata;
811f8652 166int only_migratable; /* turn it off unless user states otherwise */
46ea94ca 167bool wakeup_suspend_enabled;
a8bfac37 168int icount_align_option;
eaf65114
TH		 169static const char *qtest_chrdev;
170static const char *qtest_log;
1ca4d09a 171
9c5ce8db 172/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
caad057b
EH		 173 * little-endian "wire format" described in the SMBIOS 2.6 specification.
174 */
9c5ce8db 175QemuUUID qemu_uuid;
fc3b3295 176bool qemu_uuid_set;
8fcb1b90 177
fd42deeb
GH		 178static NotifierList exit_notifiers =
179 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
180
4cab946a
GN		 181static NotifierList machine_init_done_notifiers =
182 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
183
d745bef8
BS		 184uint32_t xen_domid;
185enum xen_mode xen_mode = XEN_EMULATE;
1c599472 186bool xen_domid_restrict;
d745bef8 187
d44229c5 188static int has_defaults = 1;
998bbd74 189static int default_serial = 1;
6a5e8b0e 190static int default_parallel = 1;
abdeed06 191static int default_monitor = 1;
ac33f8fa
GH		 192static int default_floppy = 1;
193static int default_cdrom = 1;
194static int default_sdcard = 1;
7f1b17f2 195static int default_vga = 1;
d30300f7 196static int default_net = 1;
998bbd74
GH		 197
198static struct {
199 const char *driver;
200 int *flag;
201} default_list[] = {
6a5e8b0e
GH		 202 { .driver = "isa-serial", .flag = &default_serial },
203 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf 204 { .driver = "isa-fdc", .flag = &default_floppy },
a92bd191 205 { .driver = "floppy", .flag = &default_floppy },
af6bf132
MA		 206 { .driver = "ide-cd", .flag = &default_cdrom },
207 { .driver = "ide-hd", .flag = &default_cdrom },
d8bcbabf 208 { .driver = "ide-drive", .flag = &default_cdrom },
af6bf132 209 { .driver = "scsi-cd", .flag = &default_cdrom },
f6f99b48 210 { .driver = "scsi-hd", .flag = &default_cdrom },
7f1b17f2
PB		 211 { .driver = "VGA", .flag = &default_vga },
212 { .driver = "isa-vga", .flag = &default_vga },
213 { .driver = "cirrus-vga", .flag = &default_vga },
214 { .driver = "isa-cirrus-vga", .flag = &default_vga },
215 { .driver = "vmware-svga", .flag = &default_vga },
216 { .driver = "qxl-vga", .flag = &default_vga },
a94f0c5c 217 { .driver = "virtio-vga", .flag = &default_vga },
862b4a29 218 { .driver = "ati-vga", .flag = &default_vga },
267f6646 219 { .driver = "vhost-user-vga", .flag = &default_vga },
998bbd74
GH		 220};
221
4d454574
PB		 222static QemuOptsList qemu_rtc_opts = {
223 .name = "rtc",
224 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
eb6a5209 225 .merge_lists = true,
4d454574
PB		 226 .desc = {
227 {
228 .name = "base",
229 .type = QEMU_OPT_STRING,
230 },{
231 .name = "clock",
232 .type = QEMU_OPT_STRING,
233 },{
234 .name = "driftfix",
235 .type = QEMU_OPT_STRING,
236 },
237 { /* end of list */ }
238 },
239};
240
4d454574
PB		 241static QemuOptsList qemu_option_rom_opts = {
242 .name = "option-rom",
243 .implied_opt_name = "romfile",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
245 .desc = {
246 {
247 .name = "bootindex",
248 .type = QEMU_OPT_NUMBER,
249 }, {
250 .name = "romfile",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255};
256
257static QemuOptsList qemu_machine_opts = {
258 .name = "machine",
259 .implied_opt_name = "type",
260 .merge_lists = true,
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
262 .desc = {
49d2e648
MA		 263 /*
264 * no elements => accept any
265 * sanity checking will happen later
266 * when setting machine properties
267 */
268 { }
4d454574
PB		 269 },
270};
271
8d4e9146
FK		 272static QemuOptsList qemu_accel_opts = {
273 .name = "accel",
274 .implied_opt_name = "accel",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
8d4e9146 276 .desc = {
12ceaef6
PB		 277 /*
278 * no elements => accept any
279 * sanity checking will happen later
280 * when setting accelerator properties
281 */
282 { }
8d4e9146
FK		 283 },
284};
285
4d454574
PB		 286static QemuOptsList qemu_boot_opts = {
287 .name = "boot-opts",
6ef4716c
MA		 288 .implied_opt_name = "order",
289 .merge_lists = true,
4d454574
PB		 290 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
291 .desc = {
4d454574
PB		 292 {
293 .name = "order",
294 .type = QEMU_OPT_STRING,
295 }, {
296 .name = "once",
297 .type = QEMU_OPT_STRING,
298 }, {
299 .name = "menu",
6ef4716c 300 .type = QEMU_OPT_BOOL,
4d454574
PB		 301 }, {
302 .name = "splash",
303 .type = QEMU_OPT_STRING,
304 }, {
305 .name = "splash-time",
6912bb0b 306 .type = QEMU_OPT_NUMBER,
4d454574
PB		 307 }, {
308 .name = "reboot-timeout",
ee5d0f89 309 .type = QEMU_OPT_NUMBER,
c8a6ae8b
AK		 310 }, {
311 .name = "strict",
e5187b56 312 .type = QEMU_OPT_BOOL,
4d454574
PB		 313 },
314 { /*End of list */ }
315 },
316};
317
318static QemuOptsList qemu_add_fd_opts = {
319 .name = "add-fd",
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
321 .desc = {
322 {
323 .name = "fd",
324 .type = QEMU_OPT_NUMBER,
325 .help = "file descriptor of which a duplicate is added to fd set",
326 },{
327 .name = "set",
328 .type = QEMU_OPT_NUMBER,
329 .help = "ID of the fd set to add fd to",
330 },{
331 .name = "opaque",
332 .type = QEMU_OPT_STRING,
333 .help = "free-form string used to describe fd",
334 },
335 { /* end of list */ }
336 },
337};
338
339static QemuOptsList qemu_object_opts = {
340 .name = "object",
341 .implied_opt_name = "qom-type",
342 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
343 .desc = {
344 { }
345 },
346};
347
d1a0cf73
SB		 348static QemuOptsList qemu_tpmdev_opts = {
349 .name = "tpmdev",
350 .implied_opt_name = "type",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
352 .desc = {
bb716238 353 /* options are defined in the TPM backends */
d1a0cf73
SB		 354 { /* end of list */ }
355 },
356};
357
888a6bc6
SM		 358static QemuOptsList qemu_realtime_opts = {
359 .name = "realtime",
360 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
361 .desc = {
362 {
363 .name = "mlock",
364 .type = QEMU_OPT_BOOL,
365 },
366 { /* end of list */ }
367 },
368};
369
6f131f13
MT		 370static QemuOptsList qemu_overcommit_opts = {
371 .name = "overcommit",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
373 .desc = {
374 {
375 .name = "mem-lock",
376 .type = QEMU_OPT_BOOL,
377 },
378 {
379 .name = "cpu-pm",
380 .type = QEMU_OPT_BOOL,
381 },
382 { /* end of list */ }
383 },
384};
385
5e2ac519
SA		 386static QemuOptsList qemu_msg_opts = {
387 .name = "msg",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
389 .desc = {
390 {
391 .name = "timestamp",
392 .type = QEMU_OPT_BOOL,
393 },
2880ffb0
MS		 394 {
395 .name = "guest-name",
396 .type = QEMU_OPT_BOOL,
397 .help = "Prepends guest name for error messages but only if "
398 "-name guest is set otherwise option is ignored\n",
399 },
5e2ac519
SA		 400 { /* end of list */ }
401 },
402};
403
5d12f961
DDAG		 404static QemuOptsList qemu_name_opts = {
405 .name = "name",
406 .implied_opt_name = "guest",
407 .merge_lists = true,
408 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
409 .desc = {
410 {
411 .name = "guest",
412 .type = QEMU_OPT_STRING,
413 .help = "Sets the name of the guest.\n"
414 "This name will be displayed in the SDL window caption.\n"
415 "The name will also be used for the VNC server",
416 }, {
417 .name = "process",
418 .type = QEMU_OPT_STRING,
419 .help = "Sets the name of the QEMU process, as shown in top etc",
8f480de0
DDAG		 420 }, {
421 .name = "debug-threads",
422 .type = QEMU_OPT_BOOL,
423 .help = "When enabled, name the individual threads; defaults off.\n"
424 "NOTE: The thread names are for debugging and not a\n"
425 "stable API.",
5d12f961
DDAG		 426 },
427 { /* End of list */ }
428 },
429};
430
6e1d3c1c
IM		 431static QemuOptsList qemu_mem_opts = {
432 .name = "memory",
433 .implied_opt_name = "size",
434 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
435 .merge_lists = true,
436 .desc = {
437 {
438 .name = "size",
439 .type = QEMU_OPT_SIZE,
440 },
c270fb9e
IM		 441 {
442 .name = "slots",
443 .type = QEMU_OPT_NUMBER,
444 },
445 {
446 .name = "maxmem",
447 .type = QEMU_OPT_SIZE,
448 },
6e1d3c1c
IM		 449 { /* end of list */ }
450 },
451};
452
1ad9580b
ST		 453static QemuOptsList qemu_icount_opts = {
454 .name = "icount",
455 .implied_opt_name = "shift",
456 .merge_lists = true,
457 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
458 .desc = {
459 {
460 .name = "shift",
461 .type = QEMU_OPT_STRING,
a8bfac37
ST		 462 }, {
463 .name = "align",
464 .type = QEMU_OPT_BOOL,
f1f4b57e
VC		 465 }, {
466 .name = "sleep",
467 .type = QEMU_OPT_BOOL,
4c27b859
PD		 468 }, {
469 .name = "rr",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "rrfile",
473 .type = QEMU_OPT_STRING,
9c2037d0
PD		 474 }, {
475 .name = "rrsnapshot",
476 .type = QEMU_OPT_STRING,
1ad9580b
ST		 477 },
478 { /* end of list */ }
479 },
480};
481
81b2b810
GS		 482static QemuOptsList qemu_fw_cfg_opts = {
483 .name = "fw_cfg",
484 .implied_opt_name = "name",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
486 .desc = {
487 {
488 .name = "name",
489 .type = QEMU_OPT_STRING,
490 .help = "Sets the fw_cfg name of the blob to be inserted",
491 }, {
492 .name = "file",
493 .type = QEMU_OPT_STRING,
679be303 494 .help = "Sets the name of the file from which "
81b2b810 495 "the fw_cfg blob will be loaded",
6407d76e
GS		 496 }, {
497 .name = "string",
498 .type = QEMU_OPT_STRING,
499 .help = "Sets content of the blob to be inserted from a string",
6552d87c
PMD		 500 }, {
501 .name = "gen_id",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets id of the object generating the fw_cfg blob "
504 "to be inserted",
81b2b810
GS		 505 },
506 { /* end of list */ }
507 },
508};
509
7f9d6e54
MA		 510/**
511 * Get machine options
512 *
513 * Returns: machine options (never null).
514 */
515QemuOpts *qemu_get_machine_opts(void)
516{
e96e5ae8 517 return qemu_find_opts_singleton("machine");
7f9d6e54
MA		 518}
519
31459f46
RS		 520const char *qemu_get_vm_name(void)
521{
522 return qemu_name;
523}
524
3d3b8303
WX		 525static void res_free(void)
526{
012aef07
MA		 527 g_free(boot_splash_filedata);
528 boot_splash_filedata = NULL;
3d3b8303
WX		 529}
530
28d0de7a 531static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
998bbd74
GH		 532{
533 const char *driver = qemu_opt_get(opts, "driver");
534 int i;
535
536 if (!driver)
537 return 0;
538 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
539 if (strcmp(default_list[i].driver, driver) != 0)
540 continue;
541 *(default_list[i].flag) = 0;
542 }
543 return 0;
544}
545
f5bbfba1
LC		 546/***********************************************************/
547/* QEMU state */
548
047f7038 549static RunState current_run_state = RUN_STATE_PRECONFIG;
f5bbfba1 550
7fb1cf16
EB		 551/* We use RUN_STATE__MAX but any invalid value will do */
552static RunState vmstop_requested = RUN_STATE__MAX;
74892d24
PB		 553static QemuMutex vmstop_lock;
554
5db9d4d1
LC		 555typedef struct {
556 RunState from;
557 RunState to;
558} RunStateTransition;
559
560static const RunStateTransition runstate_transitions_def[] = {
561 /* from -> to */
047f7038
IM		 562 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
563 /* Early switch to inmigrate state to allow -incoming CLI option work
564 * as it used to. TODO: delay actual switching to inmigrate state to
565 * the point after machine is built and remove this hack.
566 */
567 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
568
0461d5a6 569 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
eca01d3a 570 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 571 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
5db9d4d1 572
ca3fc39e
JQ		 573 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
574 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
29ed72f1 575 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
ca3fc39e
JQ		 576 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
577 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
578 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
579 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
580 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
2a6e6e59 581 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
98799b0d
PB		 582 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
583 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
21142ba7 584 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
5db9d4d1 585
0461d5a6 586 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
8a9236f1 587 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 588 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 589
0461d5a6 590 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
8a9236f1 591 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
7ec13c79 592 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
5db9d4d1 593
0461d5a6 594 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
8a9236f1 595 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
505d786f 596 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
7ec13c79 597 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
21142ba7 598 { RUN_STATE_PAUSED, RUN_STATE_COLO},
5db9d4d1 599
0461d5a6 600 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
8a9236f1 601 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
7ec13c79 602 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
5db9d4d1 603
0461d5a6 604 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
8a9236f1 605 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
0461d5a6 606 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
5db9d4d1 607
0461d5a6 608 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
505d786f 609 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
0461d5a6 610 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
7ec13c79 611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
21142ba7 612 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
5db9d4d1 613
0461d5a6 614 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
7ec13c79 615 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
5db9d4d1 616
21142ba7
HZ		 617 { RUN_STATE_COLO, RUN_STATE_RUNNING },
618
0461d5a6
LC		 619 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
620 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
621 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
622 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
623 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
625 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
626 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
627 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
ede085b3 628 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
21142ba7 629 { RUN_STATE_RUNNING, RUN_STATE_COLO},
5db9d4d1 630
0461d5a6 631 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
5db9d4d1 632
0461d5a6 633 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
8a9236f1 634 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
7ec13c79 635 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
5db9d4d1 636
ad02b96a
LC		 637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 641 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
21142ba7 642 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
ad02b96a 643
0461d5a6 644 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
8a9236f1 645 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
7ec13c79 646 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
21142ba7 647 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
5db9d4d1 648
df390768 649 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
fd2a2e1c 650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
7ec13c79 651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
ede085b3 652
7fb1cf16 653 { RUN_STATE__MAX, RUN_STATE__MAX },
5db9d4d1
LC		 654};
655
7fb1cf16 656static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
0461d5a6 657
f5bbfba1
LC		 658bool runstate_check(RunState state)
659{
660 return current_run_state == state;
661}
662
5e0f1940
JQ		 663bool runstate_store(char *str, size_t size)
664{
977c736f 665 const char *state = RunState_str(current_run_state);
5e0f1940
JQ		 666 size_t len = strlen(state) + 1;
667
668 if (len > size) {
669 return false;
670 }
671 memcpy(str, state, len);
672 return true;
673}
674
4fdcac0e 675static void runstate_init(void)
5db9d4d1
LC		 676{
677 const RunStateTransition *p;
678
679 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
7fb1cf16 680 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
5db9d4d1
LC		 681 runstate_valid_transitions[p->from][p->to] = true;
682 }
74892d24
PB		 683
684 qemu_mutex_init(&vmstop_lock);
5db9d4d1
LC		 685}
686
687/* This function will abort() on invalid state transitions */
f5bbfba1
LC		 688void runstate_set(RunState new_state)
689{
7fb1cf16 690 assert(new_state < RUN_STATE__MAX);
207c5cd2 691
ff12e3ae 692 trace_runstate_set(current_run_state, RunState_str(current_run_state),
b1939fcd 693 new_state, RunState_str(new_state));
ff12e3ae 694
e92a2d9c
LZ		 695 if (current_run_state == new_state) {
696 return;
697 }
698
207c5cd2 699 if (!runstate_valid_transitions[current_run_state][new_state]) {
f61eddcb 700 error_report("invalid runstate transition: '%s' -> '%s'",
977c736f
MA		 701 RunState_str(current_run_state),
702 RunState_str(new_state));
5db9d4d1
LC		 703 abort();
704 }
ff12e3ae 705
f5bbfba1
LC		 706 current_run_state = new_state;
707}
708
1fa9a5e4 709int runstate_is_running(void)
9e37b9dc 710{
1fa9a5e4 711 return runstate_check(RUN_STATE_RUNNING);
9e37b9dc
LC		 712}
713
ede085b3
HT		 714bool runstate_needs_reset(void)
715{
716 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
df390768 717 runstate_check(RUN_STATE_SHUTDOWN);
ede085b3
HT		 718}
719
1fa9a5e4 720StatusInfo *qmp_query_status(Error **errp)
1354869c 721{
1fa9a5e4
LC		 722 StatusInfo *info = g_malloc0(sizeof(*info));
723
724 info->running = runstate_is_running();
725 info->singlestep = singlestep;
726 info->status = current_run_state;
727
728 return info;
1354869c
LC		 729}
730
2d76e823 731bool qemu_vmstop_requested(RunState *r)
74892d24
PB		 732{
733 qemu_mutex_lock(&vmstop_lock);
734 *r = vmstop_requested;
7fb1cf16 735 vmstop_requested = RUN_STATE__MAX;
74892d24 736 qemu_mutex_unlock(&vmstop_lock);
7fb1cf16 737 return *r < RUN_STATE__MAX;
74892d24
PB		 738}
739
740void qemu_system_vmstop_request_prepare(void)
741{
742 qemu_mutex_lock(&vmstop_lock);
743}
744
745void qemu_system_vmstop_request(RunState state)
746{
747 vmstop_requested = state;
748 qemu_mutex_unlock(&vmstop_lock);
749 qemu_notify_event();
750}
751
8f0056b7 752/***********************************************************/
eb6a5209 753/* RTC reference time/date access */
ac0989f5 754static time_t qemu_ref_timedate(QEMUClockType clock)
eb6a5209 755{
ac0989f5
AP		 756 time_t value = qemu_clock_get_ms(clock) / 1000;
757 switch (clock) {
eb6a5209
AP		 758 case QEMU_CLOCK_REALTIME:
759 value -= rtc_realtime_clock_offset;
4e8de606 760 /* fall through */
eb6a5209
AP		 761 case QEMU_CLOCK_VIRTUAL:
762 value += rtc_ref_start_datetime;
763 break;
764 case QEMU_CLOCK_HOST:
765 if (rtc_base_type == RTC_BASE_DATETIME) {
766 value -= rtc_host_datetime_offset;
767 }
768 break;
769 default:
770 assert(0);
771 }
772 return value;
2ed1ebcf
PD		 773}
774
f6503059
AZ		 775void qemu_get_timedate(struct tm *tm, int offset)
776{
ac0989f5 777 time_t ti = qemu_ref_timedate(rtc_clock);
f6503059 778
f6503059 779 ti += offset;
7e166ebd
AP		 780
781 switch (rtc_base_type) {
eb6a5209 782 case RTC_BASE_DATETIME:
7e166ebd 783 case RTC_BASE_UTC:
eb7ff6fb 784 gmtime_r(&ti, tm);
7e166ebd
AP		 785 break;
786 case RTC_BASE_LOCALTIME:
787 localtime_r(&ti, tm);
788 break;
f6503059 789 }
f6503059
AZ		 790}
791
792int qemu_timedate_diff(struct tm *tm)
793{
794 time_t seconds;
795
7e166ebd 796 switch (rtc_base_type) {
eb6a5209 797 case RTC_BASE_DATETIME:
7e166ebd
AP		 798 case RTC_BASE_UTC:
799 seconds = mktimegm(tm);
800 break;
801 case RTC_BASE_LOCALTIME:
802 {
803 struct tm tmp = *tm;
804 tmp.tm_isdst = -1; /* use timezone to figure it out */
805 seconds = mktime(&tmp);
806 break;
807 }
7e166ebd
AP		 808 default:
809 abort();
810 }
f6503059 811
ac0989f5 812 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
f6503059
AZ		 813}
814
eb6a5209 815static void configure_rtc_base_datetime(const char *startdate)
1ed2fc1f 816{
7e166ebd 817 time_t rtc_start_datetime;
1ed2fc1f
JK		 818 struct tm tm;
819
fdaf2d58
TH		 820 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
821 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
822 /* OK */
823 } else if (sscanf(startdate, "%d-%d-%d",
824 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
825 tm.tm_hour = 0;
826 tm.tm_min = 0;
827 tm.tm_sec = 0;
1ed2fc1f 828 } else {
fdaf2d58
TH		 829 goto date_fail;
830 }
831 tm.tm_year -= 1900;
832 tm.tm_mon--;
7e166ebd
AP		 833 rtc_start_datetime = mktimegm(&tm);
834 if (rtc_start_datetime == -1) {
fdaf2d58 835 date_fail:
7e166ebd 836 error_report("invalid datetime format");
fdaf2d58
TH		 837 error_printf("valid formats: "
838 "'2006-06-17T16:01:21' or '2006-06-17'\n");
839 exit(1);
1ed2fc1f 840 }
eb6a5209
AP		 841 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
842 rtc_ref_start_datetime = rtc_start_datetime;
1ed2fc1f
JK		 843}
844
845static void configure_rtc(QemuOpts *opts)
846{
847 const char *value;
848
eb6a5209
AP		 849 /* Set defaults */
850 rtc_clock = QEMU_CLOCK_HOST;
851 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
852 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
853
1ed2fc1f
JK		 854 value = qemu_opt_get(opts, "base");
855 if (value) {
856 if (!strcmp(value, "utc")) {
7e166ebd 857 rtc_base_type = RTC_BASE_UTC;
1ed2fc1f 858 } else if (!strcmp(value, "localtime")) {
0194749a 859 Error *blocker = NULL;
7e166ebd 860 rtc_base_type = RTC_BASE_LOCALTIME;
0194749a
PD		 861 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
862 "-rtc base=localtime");
863 replay_add_blocker(blocker);
1ed2fc1f 864 } else {
7e166ebd 865 rtc_base_type = RTC_BASE_DATETIME;
eb6a5209 866 configure_rtc_base_datetime(value);
1ed2fc1f
JK		 867 }
868 }
6875204c
JK		 869 value = qemu_opt_get(opts, "clock");
870 if (value) {
871 if (!strcmp(value, "host")) {
884f17c2 872 rtc_clock = QEMU_CLOCK_HOST;
78808141 873 } else if (!strcmp(value, "rt")) {
884f17c2 874 rtc_clock = QEMU_CLOCK_REALTIME;
6875204c 875 } else if (!strcmp(value, "vm")) {
884f17c2 876 rtc_clock = QEMU_CLOCK_VIRTUAL;
6875204c 877 } else {
f61eddcb 878 error_report("invalid option value '%s'", value);
6875204c
JK		 879 exit(1);
880 }
881 }
1ed2fc1f
JK		 882 value = qemu_opt_get(opts, "driftfix");
883 if (value) {
7e4c0336 884 if (!strcmp(value, "slew")) {
1fff3c20
PB		 885 object_register_sugar_prop("mc146818rtc",
886 "lost_tick_policy",
887 "slew");
7e4c0336 888 } else if (!strcmp(value, "none")) {
433acf0d 889 /* discard is default */
1ed2fc1f 890 } else {
f61eddcb 891 error_report("invalid option value '%s'", value);
1ed2fc1f
JK		 892 exit(1);
893 }
894 }
1ed2fc1f
JK		 895}
896
28d0de7a 897static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
5d12f961
DDAG		 898{
899 const char *proc_name;
900
8f480de0
DDAG		 901 if (qemu_opt_get(opts, "debug-threads")) {
902 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
903 }
5d12f961
DDAG		 904 qemu_name = qemu_opt_get(opts, "guest");
905
906 proc_name = qemu_opt_get(opts, "process");
907 if (proc_name) {
908 os_set_proc_name(proc_name);
909 }
5b9d313e
DDAG		 910
911 return 0;
5d12f961
DDAG		 912}
913
f8b6f8ed
MA		 914bool defaults_enabled(void)
915{
916 return has_defaults;
917}
918
587ed6be 919#ifndef _WIN32
28d0de7a 920static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 921{
922 int fd, dupfd, flags;
923 int64_t fdset_id;
924 const char *fd_opaque = NULL;
636a30a8 925 AddfdInfo *fdinfo;
587ed6be
CB		 926
927 fd = qemu_opt_get_number(opts, "fd", -1);
928 fdset_id = qemu_opt_get_number(opts, "set", -1);
929 fd_opaque = qemu_opt_get(opts, "opaque");
930
931 if (fd < 0) {
6353218b 932 error_setg(errp, "fd option is required and must be non-negative");
587ed6be
CB		 933 return -1;
934 }
935
936 if (fd <= STDERR_FILENO) {
6353218b 937 error_setg(errp, "fd cannot be a standard I/O stream");
587ed6be
CB		 938 return -1;
939 }
940
941 /*
942 * All fds inherited across exec() necessarily have FD_CLOEXEC
943 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
944 */
945 flags = fcntl(fd, F_GETFD);
946 if (flags == -1 || (flags & FD_CLOEXEC)) {
6353218b 947 error_setg(errp, "fd is not valid or already in use");
587ed6be
CB		 948 return -1;
949 }
950
951 if (fdset_id < 0) {
6353218b 952 error_setg(errp, "set option is required and must be non-negative");
587ed6be
CB		 953 return -1;
954 }
955
956#ifdef F_DUPFD_CLOEXEC
957 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
958#else
959 dupfd = dup(fd);
960 if (dupfd != -1) {
961 qemu_set_cloexec(dupfd);
962 }
963#endif
964 if (dupfd == -1) {
6353218b 965 error_setg(errp, "error duplicating fd: %s", strerror(errno));
587ed6be
CB		 966 return -1;
967 }
968
969 /* add the duplicate fd, and optionally the opaque string, to the fd set */
636a30a8
PB		 970 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
971 &error_abort);
972 g_free(fdinfo);
587ed6be
CB		 973
974 return 0;
975}
976
28d0de7a 977static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
587ed6be
CB		 978{
979 int fd;
980
981 fd = qemu_opt_get_number(opts, "fd", -1);
982 close(fd);
983
984 return 0;
985}
986#endif
987
1ae26a18
AZ		 988/***********************************************************/
989/* QEMU Block devices */
990
2292ddae
MA		 991#define HD_OPTS "media=disk"
992#define CDROM_OPTS "media=cdrom"
993#define FD_OPTS ""
994#define PFLASH_OPTS ""
995#define MTD_OPTS ""
996#define SD_OPTS ""
e4bcb14c 997
28d0de7a 998static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 999{
2d0d2837 1000 BlockInterfaceType *block_default_type = opaque;
9dfd7c7a 1001
c4f26c9f 1002 return drive_new(opts, *block_default_type, errp) == NULL;
9dfd7c7a
GH		 1003}
1004
28d0de7a 1005static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
9dfd7c7a 1006{
28de2f88 1007 if (qemu_opt_get(opts, "snapshot") == NULL) {
f43e47db 1008 qemu_opt_set(opts, "snapshot", "on", &error_abort);
9dfd7c7a
GH		 1009 }
1010 return 0;
1011}
1012
3c42ea66
CB		 1013static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1014 int index, const char *optstr)
4e5d9b57
MA		 1015{
1016 QemuOpts *opts;
a66c9dc7 1017 DriveInfo *dinfo;
4e5d9b57 1018
4e5d9b57
MA		 1019 if (!enable || drive_get_by_index(type, index)) {
1020 return;
1021 }
1022
1023 opts = drive_add(type, index, NULL, optstr);
1024 if (snapshot) {
28d0de7a 1025 drive_enable_snapshot(NULL, opts, NULL);
4e5d9b57 1026 }
a66c9dc7 1027
c4f26c9f 1028 dinfo = drive_new(opts, type, &error_abort);
a66c9dc7
JS		 1029 dinfo->is_default = true;
1030
4e5d9b57
MA		 1031}
1032
651af51c
MA		 1033typedef struct BlockdevOptionsQueueEntry {
1034 BlockdevOptions *bdo;
1035 Location loc;
1036 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1037} BlockdevOptionsQueueEntry;
1038
1039typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1040
d11bf9bf
MA		 1041static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1042 MachineClass *machine_class, int snapshot)
1043{
1044 /*
1045 * If the currently selected machine wishes to override the
1046 * units-per-bus property of its default HBA interface type, do so
1047 * now.
1048 */
1049 if (machine_class->units_per_default_bus) {
1050 override_max_devs(machine_class->block_default_type,
1051 machine_class->units_per_default_bus);
1052 }
1053
1054 /* open the virtual block devices */
1055 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1056 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1057
1058 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1059 loc_push_restore(&bdo->loc);
1060 qmp_blockdev_add(bdo->bdo, &error_fatal);
1061 loc_pop(&bdo->loc);
1062 qapi_free_BlockdevOptions(bdo->bdo);
1063 g_free(bdo);
1064 }
25863975 1065 if (snapshot) {
d11bf9bf
MA		 1066 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1067 NULL, NULL);
1068 }
1069 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1070 &machine_class->block_default_type, &error_fatal)) {
1071 /* We printed help */
1072 exit(0);
1073 }
1074
1075 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1076 CDROM_OPTS);
1077 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1078 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1079
1080}
1081
12b7f57e
MT		 1082static QemuOptsList qemu_smp_opts = {
1083 .name = "smp-opts",
1084 .implied_opt_name = "cpus",
1085 .merge_lists = true,
1086 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1087 .desc = {
1088 {
1089 .name = "cpus",
1090 .type = QEMU_OPT_NUMBER,
1091 }, {
1092 .name = "sockets",
1093 .type = QEMU_OPT_NUMBER,
1b458422
LX		 1094 }, {
1095 .name = "dies",
1096 .type = QEMU_OPT_NUMBER,
12b7f57e
MT		 1097 }, {
1098 .name = "cores",
1099 .type = QEMU_OPT_NUMBER,
1100 }, {
1101 .name = "threads",
1102 .type = QEMU_OPT_NUMBER,
1103 }, {
1104 .name = "maxcpus",
1105 .type = QEMU_OPT_NUMBER,
1106 },
1107 { /*End of list */ }
1108 },
1109};
1110
28d16f38 1111static void realtime_init(void)
888a6bc6 1112{
888a6bc6
SM		 1113 if (enable_mlock) {
1114 if (os_mlock() < 0) {
f61eddcb 1115 error_report("locking memory failed");
888a6bc6
SM		 1116 exit(1);
1117 }
1118 }
1119}
1120
5e2ac519
SA		 1121
1122static void configure_msg(QemuOpts *opts)
1123{
deda497b 1124 error_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false);
2880ffb0 1125 error_with_guestname = qemu_opt_get_bool(opts, "guest-name", false);
5e2ac519
SA		 1126}
1127
a59d31a1 1128
a594cfbf
FB		 1129/***********************************************************/
1130/* USB devices */
1131
fb08000c 1132static int usb_device_add(const char *devname)
a594cfbf 1133{
a5d2f727 1134 USBDevice *dev = NULL;
a594cfbf 1135
4bcbe0b6 1136 if (!machine_usb(current_machine)) {
a594cfbf 1137 return -1;
094b287f 1138 }
a594cfbf 1139
0958b4cc 1140 dev = usbdevice_create(devname);
0d92ed30
PB		 1141 if (!dev)
1142 return -1;
1143
a594cfbf
FB		 1144 return 0;
1145}
1146
bd3c948d
GH		 1147static int usb_parse(const char *cmdline)
1148{
59d1c1c2 1149 int r;
fb08000c 1150 r = usb_device_add(cmdline);
59d1c1c2 1151 if (r < 0) {
f61eddcb 1152 error_report("could not add USB device '%s'", cmdline);
59d1c1c2
ST		 1153 }
1154 return r;
bd3c948d
GH		 1155}
1156
cc1daa40
FB		 1157/***********************************************************/
1158/* machine registration */
1159
0056ae24 1160MachineState *current_machine;
cc1daa40 1161
c516cd1b 1162static MachineClass *find_machine(const char *name, GSList *machines)
cc1daa40 1163{
c516cd1b 1164 GSList *el;
cc1daa40 1165
261747f1 1166 for (el = machines; el; el = el->next) {
f2c93021 1167 MachineClass *mc = el->data;
261747f1 1168
f2c93021
MA		 1169 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1170 return mc;
261747f1 1171 }
cc1daa40 1172 }
261747f1 1173
f2c93021 1174 return NULL;
cc1daa40
FB		 1175}
1176
c516cd1b 1177static MachineClass *find_default_machine(GSList *machines)
0c257437 1178{
c516cd1b 1179 GSList *el;
6db1857e 1180 MachineClass *default_machineclass = NULL;
0c257437 1181
261747f1 1182 for (el = machines; el; el = el->next) {
f2c93021 1183 MachineClass *mc = el->data;
261747f1 1184
f2c93021 1185 if (mc->is_default) {
6db1857e
PMD		 1186 assert(default_machineclass == NULL && "Multiple default machines");
1187 default_machineclass = mc;
0c257437
AL		 1188 }
1189 }
261747f1 1190
6db1857e 1191 return default_machineclass;
0c257437
AL		 1192}
1193
52eb3dfd
MA		 1194static int machine_help_func(QemuOpts *opts, MachineState *machine)
1195{
1196 ObjectProperty *prop;
7746abd8 1197 ObjectPropertyIterator iter;
52eb3dfd
MA		 1198
1199 if (!qemu_opt_has_help_opt(opts)) {
1200 return 0;
1201 }
1202
7746abd8
DB		 1203 object_property_iter_init(&iter, OBJECT(machine));
1204 while ((prop = object_property_iter_next(&iter))) {
52eb3dfd
MA		 1205 if (!prop->set) {
1206 continue;
1207 }
1208
26eaf2cd
MA		 1209 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1210 prop->name, prop->type);
52eb3dfd 1211 if (prop->description) {
26eaf2cd 1212 printf(" (%s)\n", prop->description);
52eb3dfd 1213 } else {
26eaf2cd 1214 printf("\n");
52eb3dfd
MA		 1215 }
1216 }
1217
1218 return 1;
1219}
1220
2f780b6a 1221struct VMChangeStateEntry {
0bd48850
FB		 1222 VMChangeStateHandler *cb;
1223 void *opaque;
2f780b6a 1224 QTAILQ_ENTRY(VMChangeStateEntry) entries;
60dbc5a1 1225 int priority;
0bd48850
FB		 1226};
1227
2f780b6a 1228static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
0bd48850 1229
60dbc5a1
SH		 1230/**
1231 * qemu_add_vm_change_state_handler_prio:
1232 * @cb: the callback to invoke
1233 * @opaque: user data passed to the callback
1234 * @priority: low priorities execute first when the vm runs and the reverse is
1235 * true when the vm stops
1236 *
1237 * Register a callback function that is invoked when the vm starts or stops
1238 * running.
1239 *
1240 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1241 */
1242VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1243 VMChangeStateHandler *cb, void *opaque, int priority)
0bd48850
FB		 1244{
1245 VMChangeStateEntry *e;
60dbc5a1 1246 VMChangeStateEntry *other;
0bd48850 1247
60dbc5a1 1248 e = g_malloc0(sizeof(*e));
0bd48850
FB		 1249 e->cb = cb;
1250 e->opaque = opaque;
60dbc5a1
SH		 1251 e->priority = priority;
1252
1253 /* Keep list sorted in ascending priority order */
1254 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1255 if (priority < other->priority) {
1256 QTAILQ_INSERT_BEFORE(other, e, entries);
1257 return e;
1258 }
1259 }
1260
1261 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
0bd48850
FB		 1262 return e;
1263}
1264
60dbc5a1
SH		 1265VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1266 void *opaque)
1267{
1268 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1269}
1270
0bd48850
FB		 1271void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1272{
60dbc5a1
SH		 1273 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1274 g_free(e);
0bd48850
FB		 1275}
1276
1dfb4dd9 1277void vm_state_notify(int running, RunState state)
0bd48850 1278{
9b10ac86 1279 VMChangeStateEntry *e, *next;
0bd48850 1280
ff12e3ae 1281 trace_vm_state_notify(running, state, RunState_str(state));
94b0b5ff 1282
60dbc5a1
SH		 1283 if (running) {
1284 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1285 e->cb(e->opaque, running, state);
1286 }
1287 } else {
1288 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1289 e->cb(e->opaque, running, state);
1290 }
0bd48850
FB		 1291 }
1292}
1293
aedbe192
EB		 1294static ShutdownCause reset_requested;
1295static ShutdownCause shutdown_requested;
1296static int shutdown_signal;
f64622c4 1297static pid_t shutdown_pid;
3475187d 1298static int powerdown_requested;
8cf71710 1299static int debug_requested;
95b363b5 1300static int suspend_requested;
047f7038 1301static bool preconfig_exit_requested = true;
4bc78a87 1302static WakeupReason wakeup_reason;
a9552c8e
IM		 1303static NotifierList powerdown_notifiers =
1304 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
95b363b5
GH		 1305static NotifierList suspend_notifiers =
1306 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1307static NotifierList wakeup_notifiers =
1308 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
2dadd753
YS		 1309static NotifierList shutdown_notifiers =
1310 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
4bc78a87 1311static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
bb0c6722 1312
aedbe192 1313ShutdownCause qemu_shutdown_requested_get(void)
1291eb35
AP		 1314{
1315 return shutdown_requested;
1316}
1317
aedbe192 1318ShutdownCause qemu_reset_requested_get(void)
1291eb35
AP		 1319{
1320 return reset_requested;
1321}
1322
4fdcac0e 1323static int qemu_shutdown_requested(void)
cf7a2fe2 1324{
d73415a3 1325 return qatomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
cf7a2fe2
AJ		 1326}
1327
4fdcac0e 1328static void qemu_kill_report(void)
f64622c4 1329{
7af88279 1330 if (!qtest_driver() && shutdown_signal) {
f1d3fb04
PM		 1331 if (shutdown_pid == 0) {
1332 /* This happens for eg ^C at the terminal, so it's worth
1333 * avoiding printing an odd message in that case.
1334 */
f61eddcb 1335 error_report("terminating on signal %d", shutdown_signal);
f1d3fb04 1336 } else {
fbe7e332
MP		 1337 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1338
1339 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1340 shutdown_signal, shutdown_pid,
1341 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1342 g_free(shutdown_cmd);
f1d3fb04 1343 }
7af88279 1344 shutdown_signal = 0;
f64622c4
GN		 1345 }
1346}
1347
aedbe192 1348static ShutdownCause qemu_reset_requested(void)
cf7a2fe2 1349{
aedbe192
EB		 1350 ShutdownCause r = reset_requested;
1351
8bd7f71d 1352 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
aedbe192 1353 reset_requested = SHUTDOWN_CAUSE_NONE;
8bd7f71d
PD		 1354 return r;
1355 }
aedbe192 1356 return SHUTDOWN_CAUSE_NONE;
cf7a2fe2
AJ		 1357}
1358
95b363b5
GH		 1359static int qemu_suspend_requested(void)
1360{
1361 int r = suspend_requested;
8bd7f71d
PD		 1362 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1363 suspend_requested = 0;
1364 return r;
1365 }
1366 return false;
95b363b5
GH		 1367}
1368
4bc78a87 1369static WakeupReason qemu_wakeup_requested(void)
14058196 1370{
4bc78a87 1371 return wakeup_reason;
14058196
LC		 1372}
1373
4fdcac0e 1374static int qemu_powerdown_requested(void)
cf7a2fe2
AJ		 1375{
1376 int r = powerdown_requested;
1377 powerdown_requested = 0;
1378 return r;
1379}
1380
e568902a
AL		 1381static int qemu_debug_requested(void)
1382{
1383 int r = debug_requested;
1384 debug_requested = 0;
1385 return r;
1386}
1387
047f7038
IM		 1388void qemu_exit_preconfig_request(void)
1389{
1390 preconfig_exit_requested = true;
1391}
1392
aedbe192
EB		 1393/*
1394 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1395 */
1396void qemu_system_reset(ShutdownCause reason)
be522029 1397{
0056ae24
MA		 1398 MachineClass *mc;
1399
1400 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1401
efdaf797
DG		 1402 cpu_synchronize_all_states();
1403
958db90c 1404 if (mc && mc->reset) {
a0628599 1405 mc->reset(current_machine);
be522029
DG		 1406 } else {
1407 qemu_devices_reset();
1408 }
3bf5de52 1409 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
ecd7a0d5 1410 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
e063eb1f 1411 }
ea375f9a 1412 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1413}
1414
4b5e06c9
NP		 1415/*
1416 * Wake the VM after suspend.
1417 */
1418static void qemu_system_wakeup(void)
1419{
1420 MachineClass *mc;
1421
1422 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1423
1424 if (mc && mc->wakeup) {
1425 mc->wakeup(current_machine);
4b5e06c9
NP		 1426 }
1427}
1428
c86f106b 1429void qemu_system_guest_panicked(GuestPanicInformation *info)
5f5b5942 1430{
4ada99ad 1431 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
f47291b7 1432
bac05aa9
AS		 1433 if (current_cpu) {
1434 current_cpu->crash_occurred = true;
1435 }
c86f106b 1436 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
3ab72385 1437 !!info, info);
5f5b5942 1438 vm_stop(RUN_STATE_GUEST_PANICKED);
864111f4
CB		 1439 if (!no_shutdown) {
1440 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
3ab72385 1441 !!info, info);
cf83f140 1442 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
864111f4 1443 }
c86f106b
AN		 1444
1445 if (info) {
e8ed97a6 1446 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
4ada99ad 1447 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
f47291b7 1448 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
e8ed97a6
AN		 1449 info->u.hyper_v.arg1,
1450 info->u.hyper_v.arg2,
1451 info->u.hyper_v.arg3,
1452 info->u.hyper_v.arg4,
1453 info->u.hyper_v.arg5);
4ada99ad
CB		 1454 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1455 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1456 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1457 info->u.s390.core,
1458 S390CrashReason_str(info->u.s390.reason),
1459 info->u.s390.psw_mask,
1460 info->u.s390.psw_addr);
f47291b7 1461 }
c86f106b
AN		 1462 qapi_free_GuestPanicInformation(info);
1463 }
5f5b5942
AS		 1464}
1465
7dc58dee
ZP		 1466void qemu_system_guest_crashloaded(GuestPanicInformation *info)
1467{
1468 qemu_log_mask(LOG_GUEST_ERROR, "Guest crash loaded");
1469
1470 qapi_event_send_guest_crashloaded(GUEST_PANIC_ACTION_RUN,
1471 !!info, info);
1472
1473 if (info) {
1474 qapi_free_GuestPanicInformation(info);
1475 }
1476}
1477
cf83f140 1478void qemu_system_reset_request(ShutdownCause reason)
bb0c6722 1479{
76ed4b18 1480 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
cf83f140 1481 shutdown_requested = reason;
d1beab82 1482 } else {
cf83f140 1483 reset_requested = reason;
d1beab82 1484 }
b4a3d965 1485 cpu_stop_current();
d9f75a4e 1486 qemu_notify_event();
bb0c6722
FB		 1487}
1488
95b363b5
GH		 1489static void qemu_system_suspend(void)
1490{
1491 pause_all_vcpus();
1492 notifier_list_notify(&suspend_notifiers, NULL);
ad02b96a 1493 runstate_set(RUN_STATE_SUSPENDED);
3ab72385 1494 qapi_event_send_suspend();
95b363b5
GH		 1495}
1496
1497void qemu_system_suspend_request(void)
1498{
9abc62f6 1499 if (runstate_check(RUN_STATE_SUSPENDED)) {
95b363b5
GH		 1500 return;
1501 }
1502 suspend_requested = 1;
1503 cpu_stop_current();
1504 qemu_notify_event();
1505}
1506
1507void qemu_register_suspend_notifier(Notifier *notifier)
1508{
1509 notifier_list_add(&suspend_notifiers, notifier);
1510}
1511
fb064112 1512void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
95b363b5 1513{
4fed9421
AK		 1514 trace_system_wakeup_request(reason);
1515
9abc62f6 1516 if (!runstate_check(RUN_STATE_SUSPENDED)) {
fb064112
DHB		 1517 error_setg(errp,
1518 "Unable to wake up: guest is not in suspended state");
95b363b5
GH		 1519 return;
1520 }
1521 if (!(wakeup_reason_mask & (1 << reason))) {
1522 return;
1523 }
ad02b96a 1524 runstate_set(RUN_STATE_RUNNING);
4bc78a87 1525 wakeup_reason = reason;
95b363b5 1526 qemu_notify_event();
95b363b5
GH		 1527}
1528
1529void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1530{
1531 if (enabled) {
1532 wakeup_reason_mask |= (1 << reason);
1533 } else {
1534 wakeup_reason_mask &= ~(1 << reason);
1535 }
1536}
1537
1538void qemu_register_wakeup_notifier(Notifier *notifier)
1539{
1540 notifier_list_add(&wakeup_notifiers, notifier);
1541}
1542
46ea94ca
DHB		 1543void qemu_register_wakeup_support(void)
1544{
1545 wakeup_suspend_enabled = true;
1546}
1547
fb064112 1548bool qemu_wakeup_suspend_enabled(void)
46ea94ca
DHB		 1549{
1550 return wakeup_suspend_enabled;
1551}
1552
f64622c4
GN		 1553void qemu_system_killed(int signal, pid_t pid)
1554{
1555 shutdown_signal = signal;
1556 shutdown_pid = pid;
d9389b96 1557 no_shutdown = 0;
8bd7f71d
PD		 1558
1559 /* Cannot call qemu_system_shutdown_request directly because
1560 * we are in a signal handler.
1561 */
aedbe192 1562 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
8bd7f71d 1563 qemu_notify_event();
f64622c4
GN		 1564}
1565
cf83f140 1566void qemu_system_shutdown_request(ShutdownCause reason)
bb0c6722 1567{
cf83f140
EB		 1568 trace_qemu_system_shutdown_request(reason);
1569 replay_shutdown_request(reason);
1570 shutdown_requested = reason;
d9f75a4e 1571 qemu_notify_event();
bb0c6722
FB		 1572}
1573
013c2f15
IM		 1574static void qemu_system_powerdown(void)
1575{
3ab72385 1576 qapi_event_send_powerdown();
013c2f15
IM		 1577 notifier_list_notify(&powerdown_notifiers, NULL);
1578}
1579
2dadd753
YS		 1580static void qemu_system_shutdown(ShutdownCause cause)
1581{
1582 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1583 notifier_list_notify(&shutdown_notifiers, &cause);
1584}
1585
3475187d
FB		 1586void qemu_system_powerdown_request(void)
1587{
bc78cff9 1588 trace_qemu_system_powerdown_request();
3475187d 1589 powerdown_requested = 1;
d9f75a4e
AL		 1590 qemu_notify_event();
1591}
1592
a9552c8e
IM		 1593void qemu_register_powerdown_notifier(Notifier *notifier)
1594{
1595 notifier_list_add(&powerdown_notifiers, notifier);
1596}
1597
2dadd753
YS		 1598void qemu_register_shutdown_notifier(Notifier *notifier)
1599{
1600 notifier_list_add(&shutdown_notifiers, notifier);
1601}
1602
8cf71710
JK		 1603void qemu_system_debug_request(void)
1604{
1605 debug_requested = 1;
83f338f7 1606 qemu_notify_event();
8cf71710
JK		 1607}
1608
99435906
PB		 1609static bool main_loop_should_exit(void)
1610{
1611 RunState r;
aedbe192
EB		 1612 ShutdownCause request;
1613
047f7038
IM		 1614 if (preconfig_exit_requested) {
1615 if (runstate_check(RUN_STATE_PRECONFIG)) {
1616 runstate_set(RUN_STATE_PRELAUNCH);
1617 }
1618 preconfig_exit_requested = false;
1619 return true;
1620 }
99435906
PB		 1621 if (qemu_debug_requested()) {
1622 vm_stop(RUN_STATE_DEBUG);
1623 }
95b363b5
GH		 1624 if (qemu_suspend_requested()) {
1625 qemu_system_suspend();
1626 }
aedbe192
EB		 1627 request = qemu_shutdown_requested();
1628 if (request) {
99435906 1629 qemu_kill_report();
2dadd753 1630 qemu_system_shutdown(request);
99435906
PB		 1631 if (no_shutdown) {
1632 vm_stop(RUN_STATE_SHUTDOWN);
1633 } else {
1634 return true;
1635 }
1636 }
aedbe192
EB		 1637 request = qemu_reset_requested();
1638 if (request) {
99435906 1639 pause_all_vcpus();
aedbe192 1640 qemu_system_reset(request);
99435906 1641 resume_all_vcpus();
ddad81bd
LV		 1642 /*
1643 * runstate can change in pause_all_vcpus()
1644 * as iothread mutex is unlocked
1645 */
7ec13c79 1646 if (!runstate_check(RUN_STATE_RUNNING) &&
ddad81bd
LV		 1647 !runstate_check(RUN_STATE_INMIGRATE) &&
1648 !runstate_check(RUN_STATE_FINISH_MIGRATE)) {
7ec13c79 1649 runstate_set(RUN_STATE_PRELAUNCH);
99435906
PB		 1650 }
1651 }
14058196
LC		 1652 if (qemu_wakeup_requested()) {
1653 pause_all_vcpus();
4b5e06c9 1654 qemu_system_wakeup();
4bc78a87
LJ		 1655 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1656 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
14058196 1657 resume_all_vcpus();
3ab72385 1658 qapi_event_send_wakeup();
14058196 1659 }
99435906 1660 if (qemu_powerdown_requested()) {
013c2f15 1661 qemu_system_powerdown();
99435906
PB		 1662 }
1663 if (qemu_vmstop_requested(&r)) {
1664 vm_stop(r);
1665 }
1666 return false;
1667}
1668
7b733862 1669void qemu_main_loop(void)
43b96858 1670{
8e1b90ec
JK		 1671#ifdef CONFIG_PROFILER
1672 int64_t ti;
1673#endif
0f5319ea 1674 while (!main_loop_should_exit()) {
89bfc105 1675#ifdef CONFIG_PROFILER
46481d39 1676 ti = profile_getclock();
89bfc105 1677#endif
e330c118 1678 main_loop_wait(false);
89bfc105 1679#ifdef CONFIG_PROFILER
46481d39 1680 dev_time += profile_getclock() - ti;
89bfc105 1681#endif
0f5319ea 1682 }
b4608c04
FB		 1683}
1684
9bd7e6d9
PB		 1685static void version(void)
1686{
7e563bfb 1687 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
d915b7bb 1688 QEMU_COPYRIGHT "\n");
9bd7e6d9
PB		 1689}
1690
15f82208 1691static void help(int exitcode)
0824d6fc 1692{
a3adb7ad
ME		 1693 version();
1694 printf("usage: %s [options] [disk_image]\n\n"
1695 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1696 error_get_progname());
1697
77bd1119
ME		 1698#define QEMU_OPTIONS_GENERATE_HELP
1699#include "qemu-options-wrapper.h"
a3adb7ad
ME		 1700
1701 printf("\nDuring emulation, the following keys are useful:\n"
3f020d70 1702 "ctrl-alt-f toggle full screen\n"
1703 "ctrl-alt-n switch to virtual console 'n'\n"
1704 "ctrl-alt toggle mouse and keyboard grab\n"
1705 "\n"
f5048cb7
EB		 1706 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1707 "\n"
1708 QEMU_HELP_BOTTOM "\n");
a3adb7ad 1709
15f82208 1710 exit(exitcode);
0824d6fc
FB		 1711}
1712
cd6f1169
FB		 1713#define HAS_ARG 0x0001
1714
cd6f1169
FB		 1715typedef struct QEMUOption {
1716 const char *name;
1717 int flags;
1718 int index;
ad96090a 1719 uint32_t arch_mask;
cd6f1169
FB		 1720} QEMUOption;
1721
dbed7e40 1722static const QEMUOption qemu_options[] = {
ad96090a 1723 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
77bd1119
ME		 1724#define QEMU_OPTIONS_GENERATE_OPTIONS
1725#include "qemu-options-wrapper.h"
cd6f1169 1726 { NULL },
fc01f7e7 1727};
a369da5f 1728
8c9a2b71
EH		 1729typedef struct VGAInterfaceInfo {
1730 const char *opt_name; /* option name */
1731 const char *name; /* human-readable name */
c2c7b22d
EH		 1732 /* Class names indicating that support is available.
1733 * If no class is specified, the interface is always available */
1734 const char *class_names[2];
8c9a2b71
EH		 1735} VGAInterfaceInfo;
1736
53b93511 1737static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
8c9a2b71
EH		 1738 [VGA_NONE] = {
1739 .opt_name = "none",
d2fa65cd 1740 .name = "no graphic card",
8c9a2b71
EH		 1741 },
1742 [VGA_STD] = {
1743 .opt_name = "std",
1744 .name = "standard VGA",
c2c7b22d 1745 .class_names = { "VGA", "isa-vga" },
8c9a2b71
EH		 1746 },
1747 [VGA_CIRRUS] = {
1748 .opt_name = "cirrus",
1749 .name = "Cirrus VGA",
c2c7b22d 1750 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
8c9a2b71
EH		 1751 },
1752 [VGA_VMWARE] = {
1753 .opt_name = "vmware",
1754 .name = "VMWare SVGA",
c2c7b22d 1755 .class_names = { "vmware-svga" },
8c9a2b71
EH		 1756 },
1757 [VGA_VIRTIO] = {
1758 .opt_name = "virtio",
1759 .name = "Virtio VGA",
c2c7b22d 1760 .class_names = { "virtio-vga" },
8c9a2b71
EH		 1761 },
1762 [VGA_QXL] = {
1763 .opt_name = "qxl",
1764 .name = "QXL VGA",
c2c7b22d 1765 .class_names = { "qxl-vga" },
8c9a2b71
EH		 1766 },
1767 [VGA_TCX] = {
1768 .opt_name = "tcx",
1769 .name = "TCX framebuffer",
c2c7b22d 1770 .class_names = { "SUNW,tcx" },
8c9a2b71
EH		 1771 },
1772 [VGA_CG3] = {
1773 .opt_name = "cg3",
1774 .name = "CG3 framebuffer",
c2c7b22d 1775 .class_names = { "cgthree" },
8c9a2b71
EH		 1776 },
1777 [VGA_XENFB] = {
1778 .opt_name = "xenfb",
d2fa65cd 1779 .name = "Xen paravirtualized framebuffer",
8c9a2b71
EH		 1780 },
1781};
1782
c2c7b22d
EH		 1783static bool vga_interface_available(VGAInterfaceType t)
1784{
53b93511 1785 const VGAInterfaceInfo *ti = &vga_interfaces[t];
c2c7b22d
EH		 1786
1787 assert(t < VGA_TYPE_MAX);
1788 return !ti->class_names[0] ||
7ab6e7fc
GH		 1789 module_object_class_by_name(ti->class_names[0]) ||
1790 module_object_class_by_name(ti->class_names[1]);
c2c7b22d
EH		 1791}
1792
dceb8852
MAL		 1793static const char *
1794get_default_vga_model(const MachineClass *machine_class)
1795{
1796 if (machine_class->default_display) {
1797 return machine_class->default_display;
1798 } else if (vga_interface_available(VGA_CIRRUS)) {
1799 return "cirrus";
1800 } else if (vga_interface_available(VGA_STD)) {
1801 return "std";
1802 }
1803
1804 return NULL;
1805}
1806
1807static void select_vgahw(const MachineClass *machine_class, const char *p)
3893c124 1808{
1809 const char *opts;
8c9a2b71 1810 int t;
3893c124 1811
dceb8852
MAL		 1812 if (g_str_equal(p, "help")) {
1813 const char *def = get_default_vga_model(machine_class);
1814
1815 for (t = 0; t < VGA_TYPE_MAX; t++) {
1816 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1817
1818 if (vga_interface_available(t) && ti->opt_name) {
1819 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1820 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1821 }
1822 }
1823 exit(0);
1824 }
1825
d44229c5 1826 assert(vga_interface_type == VGA_NONE);
8c9a2b71 1827 for (t = 0; t < VGA_TYPE_MAX; t++) {
53b93511 1828 const VGAInterfaceInfo *ti = &vga_interfaces[t];
8c9a2b71 1829 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
c2c7b22d 1830 if (!vga_interface_available(t)) {
8c9a2b71
EH		 1831 error_report("%s not available", ti->name);
1832 exit(1);
1833 }
1834 vga_interface_type = t;
1835 break;
af87bf29 1836 }
8c9a2b71
EH		 1837 }
1838 if (t == VGA_TYPE_MAX) {
3893c124 1839 invalid_vga:
3e515373 1840 error_report("unknown vga type: %s", p);
3893c124 1841 exit(1);
1842 }
cb5a7aa8 1843 while (*opts) {
1844 const char *nextopt;
1845
1846 if (strstart(opts, ",retrace=", &nextopt)) {
1847 opts = nextopt;
1848 if (strstart(opts, "dumb", &nextopt))
1849 vga_retrace_method = VGA_RETRACE_DUMB;
1850 else if (strstart(opts, "precise", &nextopt))
1851 vga_retrace_method = VGA_RETRACE_PRECISE;
1852 else goto invalid_vga;
1853 } else goto invalid_vga;
1854 opts = nextopt;
1855 }
3893c124 1856}
1857
776d1344
GH		 1858static void parse_display_qapi(const char *optarg)
1859{
776d1344
GH		 1860 DisplayOptions *opts;
1861 Visitor *v;
1862
50beeb68 1863 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
776d1344
GH		 1864
1865 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1866 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1867
1868 qapi_free_DisplayOptions(opts);
1869 visit_free(v);
1870}
1871
e1ca8f7e
GH		 1872DisplayOptions *qmp_query_display_options(Error **errp)
1873{
1874 return QAPI_CLONE(DisplayOptions, &dpy);
1875}
1876
e3af9f9a 1877static void parse_display(const char *p)
1472a95b
JS		 1878{
1879 const char *opts;
1472a95b 1880
c388f408
TH		 1881 if (is_help_option(p)) {
1882 qemu_display_help();
1883 exit(0);
1884 }
1885
1472a95b 1886 if (strstart(p, "sdl", &opts)) {
7a61f438
GH		 1887 /*
1888 * sdl DisplayType needs hand-crafted parser instead of
1889 * parse_display_qapi() due to some options not in
1890 * DisplayOptions, specifically:
1891 * - frame
1892 * Already deprecated.
1893 * - ctrl_grab + alt_grab
1894 * Not clear yet what happens to them long-term. Should
1895 * replaced by something better or deprecated and dropped.
1896 */
fe91f36a 1897 dpy.type = DISPLAY_TYPE_SDL;
1472a95b
JS		 1898 while (*opts) {
1899 const char *nextopt;
1900
09bd7ba9 1901 if (strstart(opts, ",alt_grab=", &nextopt)) {
1472a95b
JS		 1902 opts = nextopt;
1903 if (strstart(opts, "on", &nextopt)) {
1904 alt_grab = 1;
1905 } else if (strstart(opts, "off", &nextopt)) {
1906 alt_grab = 0;
1907 } else {
05175535 1908 goto invalid_sdl_args;
1472a95b
JS		 1909 }
1910 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1911 opts = nextopt;
1912 if (strstart(opts, "on", &nextopt)) {
1913 ctrl_grab = 1;
1914 } else if (strstart(opts, "off", &nextopt)) {
1915 ctrl_grab = 0;
1916 } else {
05175535 1917 goto invalid_sdl_args;
1472a95b
JS		 1918 }
1919 } else if (strstart(opts, ",window_close=", &nextopt)) {
1920 opts = nextopt;
fe91f36a 1921 dpy.has_window_close = true;
1472a95b 1922 if (strstart(opts, "on", &nextopt)) {
fe91f36a 1923 dpy.window_close = true;
1472a95b 1924 } else if (strstart(opts, "off", &nextopt)) {
fe91f36a 1925 dpy.window_close = false;
1472a95b 1926 } else {
05175535 1927 goto invalid_sdl_args;
1472a95b 1928 }
86a088e6
GH		 1929 } else if (strstart(opts, ",show-cursor=", &nextopt)) {
1930 opts = nextopt;
1931 dpy.has_show_cursor = true;
1932 if (strstart(opts, "on", &nextopt)) {
1933 dpy.show_cursor = true;
1934 } else if (strstart(opts, "off", &nextopt)) {
1935 dpy.show_cursor = false;
1936 } else {
1937 goto invalid_sdl_args;
1938 }
0b71a5d5
GH		 1939 } else if (strstart(opts, ",gl=", &nextopt)) {
1940 opts = nextopt;
fe91f36a 1941 dpy.has_gl = true;
0b71a5d5 1942 if (strstart(opts, "on", &nextopt)) {
62f27922 1943 dpy.gl = DISPLAYGL_MODE_ON;
4867e47c
ET		 1944 } else if (strstart(opts, "core", &nextopt)) {
1945 dpy.gl = DISPLAYGL_MODE_CORE;
1946 } else if (strstart(opts, "es", &nextopt)) {
1947 dpy.gl = DISPLAYGL_MODE_ES;
0b71a5d5 1948 } else if (strstart(opts, "off", &nextopt)) {
62f27922 1949 dpy.gl = DISPLAYGL_MODE_OFF;
0b71a5d5
GH		 1950 } else {
1951 goto invalid_sdl_args;
1952 }
1472a95b 1953 } else {
05175535 1954 invalid_sdl_args:
3e515373 1955 error_report("invalid SDL option string");
05175535 1956 exit(1);
1472a95b
JS		 1957 }
1958 opts = nextopt;
1959 }
3264ff12 1960 } else if (strstart(p, "vnc", &opts)) {
7a61f438
GH		 1961 /*
1962 * vnc isn't a (local) DisplayType but a protocol for remote
1963 * display access.
1964 */
4db14629 1965 if (*opts == '=') {
7b1ee0f2 1966 vnc_parse(opts + 1, &error_fatal);
4db14629 1967 } else {
c6bf0f7f 1968 error_report("VNC requires a display argument vnc=<display>");
3264ff12
JS		 1969 exit(1);
1970 }
1472a95b 1971 } else {
776d1344 1972 parse_display_qapi(p);
1472a95b 1973 }
1472a95b
JS		 1974}
1975
5cea8590
PB		 1976char *qemu_find_file(int type, const char *name)
1977{
4524051c 1978 int i;
5cea8590
PB		 1979 const char *subdir;
1980 char *buf;
1981
31783203
PM		 1982 /* Try the name as a straight path first */
1983 if (access(name, R_OK) == 0) {
4524051c 1984 trace_load_file(name, name);
7267c094 1985 return g_strdup(name);
5cea8590 1986 }
4524051c 1987
5cea8590
PB		 1988 switch (type) {
1989 case QEMU_FILE_TYPE_BIOS:
1990 subdir = "";
1991 break;
1992 case QEMU_FILE_TYPE_KEYMAP:
1993 subdir = "keymaps/";
1994 break;
1995 default:
1996 abort();
1997 }
4524051c
GH		 1998
1999 for (i = 0; i < data_dir_idx; i++) {
2000 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2001 if (access(buf, R_OK) == 0) {
2002 trace_load_file(name, buf);
2003 return buf;
2004 }
7267c094 2005 g_free(buf);
5cea8590 2006 }
4524051c 2007 return NULL;
5cea8590
PB		 2008}
2009
ea1edcd7 2010void qemu_add_data_dir(char *path)
2a1cce90
GH		 2011{
2012 int i;
2013
2014 if (path == NULL) {
2015 return;
2016 }
2017 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2018 return;
2019 }
2020 for (i = 0; i < data_dir_idx; i++) {
2021 if (strcmp(data_dir[i], path) == 0) {
ea1edcd7
PB		 2022 g_free(path); /* duplicate */
2023 return;
2a1cce90
GH		 2024 }
2025 }
ea1edcd7 2026 data_dir[data_dir_idx++] = path;
2a1cce90
GH		 2027}
2028
6407d76e
GS		 2029static inline bool nonempty_str(const char *str)
2030{
2031 return str && *str;
2032}
2033
81b2b810
GS		 2034static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2035{
2036 gchar *buf;
2037 size_t size;
6552d87c 2038 const char *name, *file, *str, *gen_id;
bab47d9a 2039 FWCfgState *fw_cfg = (FWCfgState *) opaque;
81b2b810 2040
bab47d9a 2041 if (fw_cfg == NULL) {
406b6367 2042 error_setg(errp, "fw_cfg device not available");
81b2b810
GS		 2043 return -1;
2044 }
2045 name = qemu_opt_get(opts, "name");
2046 file = qemu_opt_get(opts, "file");
6407d76e 2047 str = qemu_opt_get(opts, "string");
6552d87c 2048 gen_id = qemu_opt_get(opts, "gen_id");
6407d76e 2049
6552d87c
PMD		 2050 /* we need the name, and exactly one of: file, content string, gen_id */
2051 if (!nonempty_str(name) ||
2052 nonempty_str(file) + nonempty_str(str) + nonempty_str(gen_id) != 1) {
2053 error_setg(errp, "name, plus exactly one of file,"
2054 " string and gen_id, are needed");
81b2b810
GS		 2055 return -1;
2056 }
2057 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
406b6367
MA		 2058 error_setg(errp, "name too long (max. %d char)",
2059 FW_CFG_MAX_FILE_PATH - 1);
81b2b810
GS		 2060 return -1;
2061 }
f7d8afb1
PMD		 2062 if (nonempty_str(gen_id)) {
2063 /*
2064 * In this particular case where the content is populated
2065 * internally, the "etc/" namespace protection is relaxed,
2066 * so do not emit a warning.
2067 */
2068 } else if (strncmp(name, "opt/", 4) != 0) {
3dc6f869
AF		 2069 warn_report("externally provided fw_cfg item names "
2070 "should be prefixed with \"opt/\"");
81b2b810 2071 }
6407d76e
GS		 2072 if (nonempty_str(str)) {
2073 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2074 buf = g_memdup(str, size);
6552d87c 2075 } else if (nonempty_str(gen_id)) {
07719518 2076 if (!fw_cfg_add_from_generator(fw_cfg, name, gen_id, errp)) {
6552d87c
PMD		 2077 return -1;
2078 }
2079 return 0;
6407d76e 2080 } else {
353c7d58
LQ		 2081 GError *err = NULL;
2082 if (!g_file_get_contents(file, &buf, &size, &err)) {
2083 error_setg(errp, "can't load %s: %s", file, err->message);
2084 g_error_free(err);
6407d76e
GS		 2085 return -1;
2086 }
81b2b810 2087 }
bab47d9a
GH		 2088 /* For legacy, keep user files in a specific global order. */
2089 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2090 fw_cfg_add_file(fw_cfg, name, buf, size);
2091 fw_cfg_reset_order_override(fw_cfg);
81b2b810
GS		 2092 return 0;
2093}
2094
28d0de7a 2095static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
ff952ba2
MA		 2096{
2097 return qdev_device_help(opts);
2098}
2099
28d0de7a 2100static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
f31d07d1
GH		 2101{
2102 DeviceState *dev;
2103
cd65f349 2104 dev = qdev_device_add(opts, errp);
f3a85056
JF		 2105 if (!dev && *errp) {
2106 error_report_err(*errp);
f31d07d1 2107 return -1;
f3a85056
JF		 2108 } else if (dev) {
2109 object_unref(OBJECT(dev));
f006cf7f 2110 }
f31d07d1
GH		 2111 return 0;
2112}
2113
28d0de7a 2114static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1a688d3b 2115{
bd2d80b2 2116 Error *local_err = NULL;
1a688d3b 2117
4ad6f6cb 2118 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
0ec846bf 2119 if (local_err) {
dd4af977 2120 error_propagate(errp, local_err);
0ec846bf
AN		 2121 return -1;
2122 }
2123 exit(0);
bd2d80b2 2124 }
1a688d3b
GH		 2125 return 0;
2126}
2127
758e8e38 2128#ifdef CONFIG_VIRTFS
28d0de7a 2129static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
74db920c 2130{
b836723d 2131 return qemu_fsdev_add(opts, errp);
74db920c
GS		 2132}
2133#endif
2134
28d0de7a 2135static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
88589343 2136{
c3e95551 2137 return monitor_init_opts(opts, errp);
88589343
GH		 2138}
2139
4821cd4c 2140static void monitor_parse(const char *optarg, const char *mode, bool pretty)
88589343
GH		 2141{
2142 static int monitor_device_index = 0;
2143 QemuOpts *opts;
2144 const char *p;
2145 char label[32];
88589343
GH		 2146
2147 if (strstart(optarg, "chardev:", &p)) {
2148 snprintf(label, sizeof(label), "%s", p);
2149 } else {
140e065d
JK		 2150 snprintf(label, sizeof(label), "compat_monitor%d",
2151 monitor_device_index);
95e30b2a 2152 opts = qemu_chr_parse_compat(label, optarg, true);
88589343 2153 if (!opts) {
f61eddcb 2154 error_report("parse error: %s", optarg);
88589343
GH		 2155 exit(1);
2156 }
2157 }
2158
822ac12d 2159 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
f43e47db
MA		 2160 qemu_opt_set(opts, "mode", mode, &error_abort);
2161 qemu_opt_set(opts, "chardev", label, &error_abort);
3c45f625
KW		 2162 if (!strcmp(mode, "control")) {
2163 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2164 } else {
2165 assert(pretty == false);
2166 }
88589343
GH		 2167 monitor_device_index++;
2168}
2169
bd3c948d
GH		 2170struct device_config {
2171 enum {
aee1b935 2172 DEV_USB, /* -usbdevice */
aee1b935
GH		 2173 DEV_SERIAL, /* -serial */
2174 DEV_PARALLEL, /* -parallel */
c9f398e5 2175 DEV_DEBUGCON, /* -debugcon */
ef0c4a0d 2176 DEV_GDB, /* -gdb, -s */
3ef669e1 2177 DEV_SCLP, /* s390 sclp */
bd3c948d
GH		 2178 } type;
2179 const char *cmdline;
d9a5954d 2180 Location loc;
72cf2d4f 2181 QTAILQ_ENTRY(device_config) next;
bd3c948d 2182};
4fdcac0e
BS		 2183
2184static QTAILQ_HEAD(, device_config) device_configs =
2185 QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2186
2187static void add_device_config(int type, const char *cmdline)
2188{
2189 struct device_config *conf;
2190
7267c094 2191 conf = g_malloc0(sizeof(*conf));
bd3c948d
GH		 2192 conf->type = type;
2193 conf->cmdline = cmdline;
d9a5954d 2194 loc_save(&conf->loc);
72cf2d4f 2195 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2196}
2197
2198static int foreach_device_config(int type, int (*func)(const char *cmdline))
2199{
2200 struct device_config *conf;
2201 int rc;
2202
72cf2d4f 2203 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2204 if (conf->type != type)
2205 continue;
d9a5954d 2206 loc_push_restore(&conf->loc);
bd3c948d 2207 rc = func(conf->cmdline);
d9a5954d 2208 loc_pop(&conf->loc);
28de2f88 2209 if (rc) {
bd3c948d 2210 return rc;
28de2f88 2211 }
bd3c948d
GH		 2212 }
2213 return 0;
2214}
2215
998bbd74
GH		 2216static int serial_parse(const char *devname)
2217{
6af2692e 2218 int index = num_serial_hds;
998bbd74
GH		 2219 char label[32];
2220
2221 if (strcmp(devname, "none") == 0)
2222 return 0;
998bbd74 2223 snprintf(label, sizeof(label), "serial%d", index);
6af2692e
PM		 2224 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2225
4ad6f6cb 2226 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
998bbd74 2227 if (!serial_hds[index]) {
f61eddcb
EH		 2228 error_report("could not connect serial device"
2229 " to character backend '%s'", devname);
998bbd74
GH		 2230 return -1;
2231 }
6af2692e 2232 num_serial_hds++;
998bbd74
GH		 2233 return 0;
2234}
2235
a8d78cd0
PM		 2236Chardev *serial_hd(int i)
2237{
2238 assert(i >= 0);
6af2692e 2239 if (i < num_serial_hds) {
a8d78cd0
PM		 2240 return serial_hds[i];
2241 }
2242 return NULL;
2243}
2244
b8846a4d
PM		 2245int serial_max_hds(void)
2246{
2247 return num_serial_hds;
2248}
2249
6a5e8b0e
GH		 2250static int parallel_parse(const char *devname)
2251{
2252 static int index = 0;
2253 char label[32];
2254
2255 if (strcmp(devname, "none") == 0)
2256 return 0;
2257 if (index == MAX_PARALLEL_PORTS) {
f61eddcb 2258 error_report("too many parallel ports");
6a5e8b0e
GH		 2259 exit(1);
2260 }
2261 snprintf(label, sizeof(label), "parallel%d", index);
4ad6f6cb 2262 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
6a5e8b0e 2263 if (!parallel_hds[index]) {
f61eddcb
EH		 2264 error_report("could not connect parallel device"
2265 " to character backend '%s'", devname);
6a5e8b0e
GH		 2266 return -1;
2267 }
2268 index++;
2269 return 0;
2270}
2271
c9f398e5 2272static int debugcon_parse(const char *devname)
4d8b3c63 2273{
c9f398e5
PA		 2274 QemuOpts *opts;
2275
4ad6f6cb 2276 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
d7ecf712 2277 error_report("invalid character backend '%s'", devname);
c9f398e5
PA		 2278 exit(1);
2279 }
8be7e7e4 2280 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
c9f398e5 2281 if (!opts) {
f61eddcb 2282 error_report("already have a debugcon device");
c9f398e5
PA		 2283 exit(1);
2284 }
f43e47db
MA		 2285 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2286 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
c9f398e5
PA		 2287 return 0;
2288}
2289
2709f263
LE		 2290static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2291{
2292 const MachineClass *mc1 = a, *mc2 = b;
2293 int res;
2294
2295 if (mc1->family == NULL) {
2296 if (mc2->family == NULL) {
2297 /* Compare standalone machine types against each other; they sort
2298 * in increasing order.
2299 */
2300 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2301 object_class_get_name(OBJECT_CLASS(mc2)));
2302 }
2303
2304 /* Standalone machine types sort after families. */
2305 return 1;
2306 }
2307
2308 if (mc2->family == NULL) {
2309 /* Families sort before standalone machine types. */
2310 return -1;
2311 }
2312
2313 /* Families sort between each other alphabetically increasingly. */
2314 res = strcmp(mc1->family, mc2->family);
2315 if (res != 0) {
2316 return res;
2317 }
2318
2319 /* Within the same family, machine types sort in decreasing order. */
2320 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2321 object_class_get_name(OBJECT_CLASS(mc1)));
2322}
2323
c516cd1b 2324static MachineClass *machine_parse(const char *name, GSList *machines)
9052ea6b 2325{
12cb82fd 2326 MachineClass *mc;
c516cd1b 2327 GSList *el;
9052ea6b 2328
12cb82fd 2329 if (is_help_option(name)) {
025172d5 2330 printf("Supported machines are:\n");
2709f263 2331 machines = g_slist_sort(machines, machine_class_cmp);
025172d5
MR		 2332 for (el = machines; el; el = el->next) {
2333 MachineClass *mc = el->data;
958db90c
MA		 2334 if (mc->alias) {
2335 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
025172d5 2336 }
08fe6824
TH		 2337 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2338 mc->is_default ? " (default)" : "",
2339 mc->deprecation_reason ? " (deprecated)" : "");
9052ea6b 2340 }
12cb82fd 2341 exit(0);
9052ea6b 2342 }
261747f1 2343
12cb82fd
MA		 2344 mc = find_machine(name, machines);
2345 if (!mc) {
2346 error_report("unsupported machine type");
2347 error_printf("Use -machine help to list supported machines\n");
2348 exit(1);
2349 }
2350 return mc;
9052ea6b
JK		 2351}
2352
fd42deeb
GH		 2353void qemu_add_exit_notifier(Notifier *notify)
2354{
2355 notifier_list_add(&exit_notifiers, notify);
2356}
2357
2358void qemu_remove_exit_notifier(Notifier *notify)
2359{
31552529 2360 notifier_remove(notify);
fd42deeb
GH		 2361}
2362
2363static void qemu_run_exit_notifiers(void)
2364{
9e8dd451 2365 notifier_list_notify(&exit_notifiers, NULL);
fd42deeb
GH		 2366}
2367
90a84d13
MAL		 2368static const char *pid_file;
2369static Notifier qemu_unlink_pidfile_notifier;
2370
2371static void qemu_unlink_pidfile(Notifier *n, void *data)
2372{
2373 if (pid_file) {
2374 unlink(pid_file);
2375 }
2376}
2377
c8ca2a23 2378bool machine_init_done;
71cdd1cb 2379
4cab946a
GN		 2380void qemu_add_machine_init_done_notifier(Notifier *notify)
2381{
2382 notifier_list_add(&machine_init_done_notifiers, notify);
71cdd1cb
PB		 2383 if (machine_init_done) {
2384 notify->notify(notify, NULL);
2385 }
4cab946a
GN		 2386}
2387
b86eacb8
MA		 2388void qemu_remove_machine_init_done_notifier(Notifier *notify)
2389{
2390 notifier_remove(notify);
2391}
2392
4cab946a
GN		 2393static void qemu_run_machine_init_done_notifiers(void)
2394{
71cdd1cb 2395 machine_init_done = true;
c8ca2a23 2396 notifier_list_notify(&machine_init_done_notifiers, NULL);
4cab946a
GN		 2397}
2398
6530a97b
AL		 2399static const QEMUOption *lookup_opt(int argc, char **argv,
2400 const char **poptarg, int *poptind)
2401{
2402 const QEMUOption *popt;
2403 int optind = *poptind;
2404 char *r = argv[optind];
2405 const char *optarg;
2406
0f0bc3f1 2407 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2408 optind++;
2409 /* Treat --foo the same as -foo. */
2410 if (r[1] == '-')
2411 r++;
2412 popt = qemu_options;
2413 for(;;) {
2414 if (!popt->name) {
0f0bc3f1 2415 error_report("invalid option");
6530a97b
AL		 2416 exit(1);
2417 }
2418 if (!strcmp(popt->name, r + 1))
2419 break;
2420 popt++;
2421 }
2422 if (popt->flags & HAS_ARG) {
2423 if (optind >= argc) {
0f0bc3f1 2424 error_report("requires an argument");
6530a97b
AL		 2425 exit(1);
2426 }
2427 optarg = argv[optind++];
0f0bc3f1 2428 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2429 } else {
2430 optarg = NULL;
2431 }
2432
2433 *poptarg = optarg;
2434 *poptind = optind;
2435
2436 return popt;
2437}
2438
7580f231 2439static MachineClass *select_machine(void)
34f405ae 2440{
c516cd1b
WY		 2441 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2442 MachineClass *machine_class = find_default_machine(machines);
34f405ae
MA		 2443 const char *optarg;
2444 QemuOpts *opts;
2445 Location loc;
2446
2447 loc_push_none(&loc);
2448
2449 opts = qemu_get_machine_opts();
2450 qemu_opts_loc_restore(opts);
2451
2452 optarg = qemu_opt_get(opts, "type");
2453 if (optarg) {
c516cd1b 2454 machine_class = machine_parse(optarg, machines);
34f405ae
MA		 2455 }
2456
7580f231 2457 if (!machine_class) {
34f405ae
MA		 2458 error_report("No machine specified, and there is no default");
2459 error_printf("Use -machine help to list supported machines\n");
2460 exit(1);
2461 }
2462
2463 loc_pop(&loc);
c516cd1b 2464 g_slist_free(machines);
7580f231 2465 return machine_class;
34f405ae
MA		 2466}
2467
e5db4bd8
PB		 2468static int object_parse_property_opt(Object *obj,
2469 const char *name, const char *value,
2470 const char *skip, Error **errp)
68d98d3e 2471{
e5db4bd8 2472 if (g_str_equal(name, skip)) {
68d98d3e
AL		 2473 return 0;
2474 }
2475
668f62ec 2476 if (!object_property_parse(obj, name, value, errp)) {
68d98d3e
AL		 2477 return -1;
2478 }
2479
2480 return 0;
2481}
2482
e5db4bd8
PB		 2483static int machine_set_property(void *opaque,
2484 const char *name, const char *value,
2485 Error **errp)
2486{
2487 g_autofree char *qom_name = g_strdup(name);
2488 char *p;
2489
2490 for (p = qom_name; *p; p++) {
2491 if (*p == '_') {
2492 *p = '-';
2493 }
2494 }
2495
6f6e1698
PB		 2496 /* Legacy options do not correspond to MachineState properties. */
2497 if (g_str_equal(qom_name, "accel")) {
2498 return 0;
2499 }
46472d82
PB		 2500 if (g_str_equal(qom_name, "igd-passthru")) {
2501 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value);
2502 return 0;
2503 }
11bc4a13
PB		 2504 if (g_str_equal(qom_name, "kvm-shadow-mem") ||
2505 g_str_equal(qom_name, "kernel-irqchip")) {
23b0898e
PB		 2506 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value);
2507 return 0;
2508 }
6f6e1698 2509
e5db4bd8
PB		 2510 return object_parse_property_opt(opaque, name, value, "type", errp);
2511}
f08f9271
DB		 2512
2513/*
2514 * Initial object creation happens before all other
2515 * QEMU data types are created. The majority of objects
2516 * can be created at this point. The rng-egd object
2517 * cannot be created here, as it depends on the chardev
2518 * already existing.
2519 */
1195fa2b 2520static bool object_create_initial(const char *type, QemuOpts *opts)
f08f9271 2521{
3e9297f3 2522 if (user_creatable_print_help(type, opts)) {
1195fa2b
MAL		 2523 exit(0);
2524 }
2525
edfb4389
MA		 2526 /*
2527 * Objects should not be made "delayed" without a reason. If you
2528 * add one, state the reason in a comment!
2529 */
2530
2531 /* Reason: rng-egd property "chardev" */
9ea18ed2 2532 if (g_str_equal(type, "rng-egd")) {
f08f9271
DB		 2533 return false;
2534 }
7dbb11c8 2535
042cea27 2536#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
edfb4389 2537 /* Reason: cryptodev-vhost-user property "chardev" */
042cea27
GA		 2538 if (g_str_equal(type, "cryptodev-vhost-user")) {
2539 return false;
2540 }
2541#endif
2542
3578389b
CX		 2543 /* Reason: vhost-user-blk-server property "node-name" */
2544 if (g_str_equal(type, "vhost-user-blk-server")) {
2545 return false;
2546 }
9d3e12e8 2547 /*
edfb4389 2548 * Reason: filter-* property "netdev" etc.
9d3e12e8
TH		 2549 */
2550 if (g_str_equal(type, "filter-buffer") ||
f6d3afb5 2551 g_str_equal(type, "filter-dump") ||
d46f75b2 2552 g_str_equal(type, "filter-mirror") ||
7dce4e6f 2553 g_str_equal(type, "filter-redirector") ||
e6eee8ab 2554 g_str_equal(type, "colo-compare") ||
646c5478
PD		 2555 g_str_equal(type, "filter-rewriter") ||
2556 g_str_equal(type, "filter-replay")) {
7dbb11c8
YH		 2557 return false;
2558 }
2559
6546d0db
EH		 2560 /* Memory allocation by backends needs to be done
2561 * after configure_accelerator() (due to the tcg_enabled()
2562 * checks at memory_region_init_*()).
2563 *
2564 * Also, allocation of large amounts of memory may delay
2565 * chardev initialization for too long, and trigger timeouts
2566 * on software that waits for a monitor socket to be created
2567 * (e.g. libvirt).
2568 */
2569 if (g_str_has_prefix(type, "memory-backend-")) {
2570 return false;
2571 }
2572
f08f9271
DB		 2573 return true;
2574}
2575
2576
2577/*
2578 * The remainder of object creation happens after the
9abce56d 2579 * creation of chardev, fsdev, net clients and device data types.
f08f9271 2580 */
1195fa2b 2581static bool object_create_delayed(const char *type, QemuOpts *opts)
f08f9271 2582{
1195fa2b 2583 return !object_create_initial(type, opts);
f08f9271
DB		 2584}
2585
2586
2a7b18a3 2587static bool set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
076b35b5 2588 MachineClass *mc)
3b9985e9
MA		 2589{
2590 uint64_t sz;
2591 const char *mem_str;
076b35b5 2592 const ram_addr_t default_ram_size = mc->default_ram_size;
3b9985e9 2593 QemuOpts *opts = qemu_find_opts_singleton("memory");
bbe2d25c
EH		 2594 Location loc;
2595
2596 loc_push_none(&loc);
2597 qemu_opts_loc_restore(opts);
3b9985e9
MA		 2598
2599 sz = 0;
2600 mem_str = qemu_opt_get(opts, "size");
2601 if (mem_str) {
2602 if (!*mem_str) {
2603 error_report("missing 'size' option value");
2604 exit(EXIT_FAILURE);
2605 }
2606
2607 sz = qemu_opt_get_size(opts, "size", ram_size);
2608
2609 /* Fix up legacy suffix-less format */
2610 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2611 uint64_t overflow_check = sz;
2612
3dc54b0e
PMD		 2613 sz *= MiB;
2614 if (sz / MiB != overflow_check) {
3b9985e9
MA		 2615 error_report("too large 'size' option value");
2616 exit(EXIT_FAILURE);
2617 }
2618 }
2619 }
2620
2621 /* backward compatibility behaviour for case "-m 0" */
2622 if (sz == 0) {
2623 sz = default_ram_size;
2624 }
2625
2626 sz = QEMU_ALIGN_UP(sz, 8192);
5c30ef93
CB		 2627 if (mc->fixup_ram_size) {
2628 sz = mc->fixup_ram_size(sz);
2629 }
3b9985e9
MA		 2630 ram_size = sz;
2631 if (ram_size != sz) {
2632 error_report("ram size too large");
2633 exit(EXIT_FAILURE);
2634 }
2635
2636 /* store value for the future use */
39101f25 2637 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
3b9985e9
MA		 2638 *maxram_size = ram_size;
2639
951f2269 2640 if (qemu_opt_get(opts, "maxmem")) {
3b9985e9
MA		 2641 uint64_t slots;
2642
2643 sz = qemu_opt_get_size(opts, "maxmem", 0);
214224ad 2644 slots = qemu_opt_get_number(opts, "slots", 0);
3b9985e9 2645 if (sz < ram_size) {
214224ad
PK		 2646 error_report("invalid value of -m option maxmem: "
2647 "maximum memory size (0x%" PRIx64 ") must be at least "
2648 "the initial memory size (0x" RAM_ADDR_FMT ")",
2649 sz, ram_size);
3b9985e9 2650 exit(EXIT_FAILURE);
951f2269 2651 } else if (slots && sz == ram_size) {
214224ad
PK		 2652 error_report("invalid value of -m option maxmem: "
2653 "memory slots were specified but maximum memory size "
2654 "(0x%" PRIx64 ") is equal to the initial memory size "
2655 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3b9985e9
MA		 2656 exit(EXIT_FAILURE);
2657 }
2658
3b9985e9
MA		 2659 *maxram_size = sz;
2660 *ram_slots = slots;
951f2269
DH		 2661 } else if (qemu_opt_get(opts, "slots")) {
2662 error_report("invalid -m option value: missing 'maxmem' option");
3b9985e9
MA		 2663 exit(EXIT_FAILURE);
2664 }
bbe2d25c
EH		 2665
2666 loc_pop(&loc);
2a7b18a3 2667 return !!mem_str;
3b9985e9
MA		 2668}
2669
8d76bfe8
EH		 2670static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2671{
2672 GlobalProperty *g;
2673
2674 g = g_malloc0(sizeof(*g));
2675 g->driver = qemu_opt_get(opts, "driver");
2676 g->property = qemu_opt_get(opts, "property");
2677 g->value = qemu_opt_get(opts, "value");
8d76bfe8
EH		 2678 qdev_prop_register_global(g);
2679 return 0;
2680}
2681
726401be
EH		 2682static int qemu_read_default_config_file(void)
2683{
2684 int ret;
580e6ad6 2685 g_autofree char *file = get_relocated_path(CONFIG_QEMU_CONFDIR "/qemu.conf");
726401be 2686
580e6ad6 2687 ret = qemu_read_config_file(file);
726401be
EH		 2688 if (ret < 0 && ret != -ENOENT) {
2689 return ret;
2690 }
2691
2692 return 0;
2693}
2694
a0660e0b
PX		 2695static void user_register_global_props(void)
2696{
2697 qemu_opts_foreach(qemu_find_opts("global"),
2698 global_init_func, NULL, NULL);
2699}
2700
7f8b6126
PB		 2701static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
2702{
8191d368 2703 icount_configure(opts, errp);
7f8b6126
PB		 2704 return 0;
2705}
2706
12ceaef6
PB		 2707static int accelerator_set_property(void *opaque,
2708 const char *name, const char *value,
2709 Error **errp)
2710{
2711 return object_parse_property_opt(opaque, name, value, "accel", errp);
2712}
2713
deda73e8
PB		 2714static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
2715{
6f6e1698
PB		 2716 bool *p_init_failed = opaque;
2717 const char *acc = qemu_opt_get(opts, "accel");
2718 AccelClass *ac = accel_find(acc);
fc5cf826 2719 AccelState *accel;
6f6e1698 2720 int ret;
eaf65114
TH		 2721 bool qtest_with_kvm;
2722
2723 qtest_with_kvm = g_str_equal(acc, "kvm") && qtest_chrdev != NULL;
6f6e1698
PB		 2724
2725 if (!ac) {
8b90f1c5 2726 *p_init_failed = true;
eaf65114
TH		 2727 if (!qtest_with_kvm) {
2728 error_report("invalid accelerator %s", acc);
2729 }
6f6e1698
PB		 2730 return 0;
2731 }
fc5cf826 2732 accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
fe174132 2733 object_apply_compat_props(OBJECT(accel));
12ceaef6
PB		 2734 qemu_opt_foreach(opts, accelerator_set_property,
2735 accel,
2736 &error_fatal);
2737
fc5cf826 2738 ret = accel_init_machine(accel, current_machine);
6f6e1698
PB		 2739 if (ret < 0) {
2740 *p_init_failed = true;
eaf65114
TH		 2741 if (!qtest_with_kvm || ret != -ENOENT) {
2742 error_report("failed to initialize %s: %s", acc, strerror(-ret));
2743 }
6f6e1698
PB		 2744 return 0;
2745 }
fe174132 2746
6f6e1698 2747 return 1;
deda73e8
PB		 2748}
2749
28a09617 2750static void configure_accelerators(const char *progname)
deda73e8 2751{
28a09617 2752 const char *accel;
28a09617 2753 bool init_failed = false;
28a09617
PB		 2754
2755 qemu_opts_foreach(qemu_find_opts("icount"),
2756 do_configure_icount, NULL, &error_fatal);
2757
2758 accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
6f6e1698 2759 if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
60ee3552
RH		 2760 char **accel_list, **tmp;
2761
6f6e1698
PB		 2762 if (accel == NULL) {
2763 /* Select the default accelerator */
755ee1f3
RH		 2764 bool have_tcg = accel_find("tcg");
2765 bool have_kvm = accel_find("kvm");
2766
2767 if (have_tcg && have_kvm) {
2768 if (g_str_has_suffix(progname, "kvm")) {
6f6e1698
PB		 2769 /* If the program name ends with "kvm", we prefer KVM */
2770 accel = "kvm:tcg";
2771 } else {
2772 accel = "tcg:kvm";
2773 }
755ee1f3
RH		 2774 } else if (have_kvm) {
2775 accel = "kvm";
2776 } else if (have_tcg) {
2777 accel = "tcg";
2778 } else {
2779 error_report("No accelerator selected and"
2780 " no default accelerator available");
2781 exit(1);
28a09617
PB		 2782 }
2783 }
6f6e1698 2784 accel_list = g_strsplit(accel, ":", 0);
28a09617 2785
a024b090 2786 for (tmp = accel_list; *tmp; tmp++) {
6f6e1698
PB		 2787 /*
2788 * Filter invalid accelerators here, to prevent obscenities
2789 * such as "-machine accel=tcg,,thread=single".
2790 */
2791 if (accel_find(*tmp)) {
2792 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
8b90f1c5
PB		 2793 } else {
2794 init_failed = true;
2795 error_report("invalid accelerator %s", *tmp);
6f6e1698 2796 }
28a09617 2797 }
adb464ff 2798 g_strfreev(accel_list);
6f6e1698
PB		 2799 } else {
2800 if (accel != NULL) {
2801 error_report("The -accel and \"-machine accel=\" options are incompatible");
2802 exit(1);
28a09617
PB		 2803 }
2804 }
28a09617 2805
6f6e1698
PB		 2806 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2807 do_configure_accelerator, &init_failed, &error_fatal)) {
28a09617 2808 if (!init_failed) {
6f6e1698 2809 error_report("no accelerator found");
28a09617
PB		 2810 }
2811 exit(1);
2812 }
2813
eaf65114 2814 if (init_failed && !qtest_chrdev) {
4f7f5893 2815 AccelClass *ac = ACCEL_GET_CLASS(current_accel());
8b90f1c5 2816 error_report("falling back to %s", ac->name);
28a09617
PB		 2817 }
2818
740b1759 2819 if (icount_enabled() && !tcg_enabled()) {
deda73e8
PB		 2820 error_report("-icount is not allowed with hardware virtualization");
2821 exit(1);
2822 }
2823}
2824
ffac16fa 2825static void create_default_memdev(MachineState *ms, const char *path)
900c0ba3
IM		 2826{
2827 Object *obj;
2828 MachineClass *mc = MACHINE_GET_CLASS(ms);
2829
2830 obj = object_new(path ? TYPE_MEMORY_BACKEND_FILE : TYPE_MEMORY_BACKEND_RAM);
2831 if (path) {
5325cc34 2832 object_property_set_str(obj, "mem-path", path, &error_fatal);
900c0ba3 2833 }
5325cc34 2834 object_property_set_int(obj, "size", ms->ram_size, &error_fatal);
900c0ba3 2835 object_property_add_child(object_get_objects_root(), mc->default_ram_id,
d2623129 2836 obj);
d96c4d5f 2837 /* Ensure backend's memory region name is equal to mc->default_ram_id */
5325cc34
MA		 2838 object_property_set_bool(obj, "x-use-canonical-path-for-ramblock-id",
2839 false, &error_fatal);
900c0ba3
IM		 2840 user_creatable_complete(USER_CREATABLE(obj), &error_fatal);
2841 object_unref(obj);
5325cc34 2842 object_property_set_str(OBJECT(ms), "memory-backend", mc->default_ram_id,
900c0ba3
IM		 2843 &error_fatal);
2844}
2845
ea1edcd7
PB		 2846/*
2847 * Find a likely location for support files using the location of the binary.
2848 * When running from the build tree this will be "$bindir/pc-bios".
2849 * Otherwise, this is CONFIG_QEMU_DATADIR (possibly relocated).
2850 *
2851 * The caller must use g_free() to free the returned data when it is
2852 * no longer required.
2853 */
2854static char *find_datadir(void)
2855{
2856 g_autofree char *dir = NULL;
2857
2858 dir = g_build_filename(qemu_get_exec_dir(), "pc-bios", NULL);
2859 if (g_file_test(dir, G_FILE_TEST_IS_DIR)) {
2860 return g_steal_pointer(&dir);
2861 }
2862
2863 return get_relocated_path(CONFIG_QEMU_DATADIR);
2864}
2865
7b733862 2866void qemu_init(int argc, char **argv, char **envp)
0824d6fc 2867{
e4bcb14c 2868 int i;
da1fcfda 2869 int snapshot, linux_boot;
7f7f9873 2870 const char *initrd_filename;
a20dd508 2871 const char *kernel_filename, *kernel_cmdline;
f05f47bb
GA		 2872 const char *boot_order = NULL;
2873 const char *boot_once = NULL;
3023f332 2874 DisplayState *ds;
8d4e9146 2875 QemuOpts *opts, *machine_opts;
d1cdd92e 2876 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
03b0ba70 2877 QemuOptsList *olist;
cd6f1169 2878 int optind;
6530a97b 2879 const char *optarg;
d63d307f 2880 const char *loadvm = NULL;
0056ae24 2881 MachineClass *machine_class;
c1c8cfe5 2882 const char *cpu_option;
d44229c5 2883 const char *vga_model = NULL;
5bb7910a 2884 const char *incoming = NULL;
f29a5614 2885 bool userconfig = true;
cfc58cf3 2886 bool nographic = false;
1f0dfe02 2887 int display_remote = 0;
c235d738
MF		 2888 const char *log_mask = NULL;
2889 const char *log_file = NULL;
41fc57e4 2890 char *trace_file = NULL;
3b9985e9 2891 ram_addr_t maxram_size;
c270fb9e 2892 uint64_t ram_slots = 0;
abfd9ce3 2893 FILE *vmstate_dump_file = NULL;
2f78e491 2894 Error *main_loop_err = NULL;
ddbb0d09 2895 Error *err = NULL;
37146e7e 2896 bool list_data_dirs = false;
ea1edcd7 2897 char **dirs;
8b38de9f 2898 const char *mem_path = NULL;
2a7b18a3 2899 bool have_custom_ram_size;
651af51c 2900 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
42229a75 2901 QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
4ebc74db 2902 int mem_prealloc = 0; /* force preallocation of physical target memory */
0b5538c3 2903
45d8bc3a
WY		 2904 os_set_line_buffering();
2905
f5852efa 2906 error_init(argv[0]);
fe4db84d
DB		 2907 module_call_init(MODULE_INIT_TRACE);
2908
267f685b 2909 qemu_init_cpu_list();
576a94d8 2910 qemu_init_cpu_loop();
d759c951 2911
576a94d8
PB		 2912 qemu_mutex_lock_iothread();
2913
fd42deeb 2914 atexit(qemu_run_exit_notifiers);
10f5bff6 2915 qemu_init_exec_dir(argv[0]);
65abca0a 2916
1b71f7c1 2917 module_call_init(MODULE_INIT_QOM);
a2d07731 2918 module_call_init(MODULE_INIT_MIGRATION);
1b71f7c1 2919
4d454574 2920 qemu_add_opts(&qemu_drive_opts);
968854c8
AK		 2921 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2922 qemu_add_drive_opts(&qemu_common_drive_opts);
2923 qemu_add_drive_opts(&qemu_drive_opts);
c5f3014b 2924 qemu_add_drive_opts(&bdrv_runtime_opts);
4d454574
PB		 2925 qemu_add_opts(&qemu_chardev_opts);
2926 qemu_add_opts(&qemu_device_opts);
2927 qemu_add_opts(&qemu_netdev_opts);
78cd6f7b 2928 qemu_add_opts(&qemu_nic_opts);
4d454574
PB		 2929 qemu_add_opts(&qemu_net_opts);
2930 qemu_add_opts(&qemu_rtc_opts);
2931 qemu_add_opts(&qemu_global_opts);
2932 qemu_add_opts(&qemu_mon_opts);
2933 qemu_add_opts(&qemu_trace_opts);
42229a75 2934 qemu_plugin_add_opts();
4d454574
PB		 2935 qemu_add_opts(&qemu_option_rom_opts);
2936 qemu_add_opts(&qemu_machine_opts);
8d4e9146 2937 qemu_add_opts(&qemu_accel_opts);
6e1d3c1c 2938 qemu_add_opts(&qemu_mem_opts);
12b7f57e 2939 qemu_add_opts(&qemu_smp_opts);
4d454574 2940 qemu_add_opts(&qemu_boot_opts);
4d454574
PB		 2941 qemu_add_opts(&qemu_add_fd_opts);
2942 qemu_add_opts(&qemu_object_opts);
d1a0cf73 2943 qemu_add_opts(&qemu_tpmdev_opts);
888a6bc6 2944 qemu_add_opts(&qemu_realtime_opts);
1fdd4748 2945 qemu_add_opts(&qemu_overcommit_opts);
5e2ac519 2946 qemu_add_opts(&qemu_msg_opts);
5d12f961 2947 qemu_add_opts(&qemu_name_opts);
0042109a 2948 qemu_add_opts(&qemu_numa_opts);
1ad9580b 2949 qemu_add_opts(&qemu_icount_opts);
a38bb079 2950 qemu_add_opts(&qemu_semihosting_config_opts);
81b2b810 2951 qemu_add_opts(&qemu_fw_cfg_opts);
34294e2f 2952 module_call_init(MODULE_INIT_OPTS);
4d454574 2953
5db9d4d1 2954 runstate_init();
bd227060 2955 precopy_infrastructure_init();
1693c64c 2956 postcopy_infrastructure_init();
d32749de 2957 monitor_init_globals();
5db9d4d1 2958
ddbb0d09 2959 if (qcrypto_init(&err) < 0) {
c29b77f9 2960 error_reportf_err(err, "cannot initialize crypto: ");
ddbb0d09
DB		 2961 exit(1);
2962 }
6875204c 2963
60dbc5a1 2964 QTAILQ_INIT(&vm_change_state_head);
fe98ac14 2965 os_setup_early_signal_handling();
be995c27 2966
c1c8cfe5 2967 cpu_option = NULL;
33e3963e 2968 snapshot = 0;
c4b1fcc0 2969
7c9d8e07 2970 nb_nics = 0;
3b46e624 2971
142c6b1a
PL		 2972 bdrv_init_with_whitelist();
2973
2c02d1ad 2974 autostart = 1;
41bd639b 2975
292444cb
AL		 2976 /* first pass of option parsing */
2977 optind = 1;
2978 while (optind < argc) {
2979 if (argv[optind][0] != '-') {
2980 /* disk image */
28e68d68 2981 optind++;
292444cb
AL		 2982 } else {
2983 const QEMUOption *popt;
2984
2985 popt = lookup_opt(argc, argv, &optarg, &optind);
2986 switch (popt->index) {
f29a5614
EH		 2987 case QEMU_OPTION_nouserconfig:
2988 userconfig = false;
2989 break;
292444cb
AL		 2990 }
2991 }
2992 }
2993
1ea06c39 2994 if (userconfig) {
726401be 2995 if (qemu_read_default_config_file() < 0) {
dcfb0939 2996 exit(1);
292444cb
AL		 2997 }
2998 }
2999
3000 /* second pass of option parsing */
cd6f1169 3001 optind = 1;
0824d6fc 3002 for(;;) {
cd6f1169 3003 if (optind >= argc)
0824d6fc 3004 break;
6530a97b 3005 if (argv[optind][0] != '-') {
17f30eae 3006 loc_set_cmdline(argv, optind, 1);
d1cdd92e 3007 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
cd6f1169
FB		 3008 } else {
3009 const QEMUOption *popt;
3010
6530a97b 3011 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a 3012 if (!(popt->arch_mask & arch_type)) {
da002526 3013 error_report("Option not supported for this target");
ad96090a
BS		 3014 exit(1);
3015 }
cd6f1169 3016 switch(popt->index) {
94fc95cd
JM		 3017 case QEMU_OPTION_cpu:
3018 /* hw initialization will check this */
c1c8cfe5 3019 cpu_option = optarg;
94fc95cd 3020 break;
cd6f1169 3021 case QEMU_OPTION_hda:
cd6f1169 3022 case QEMU_OPTION_hdb:
cc1daa40
FB		 3023 case QEMU_OPTION_hdc:
3024 case QEMU_OPTION_hdd:
2292ddae
MA		 3025 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3026 HD_OPTS);
fc01f7e7 3027 break;
42e5f393
MA		 3028 case QEMU_OPTION_blockdev:
3029 {
3030 Visitor *v;
651af51c 3031 BlockdevOptionsQueueEntry *bdo;
42e5f393 3032
92917cd2
MA		 3033 v = qobject_input_visitor_new_str(optarg, "driver",
3034 &error_fatal);
42e5f393 3035
651af51c 3036 bdo = g_new(BlockdevOptionsQueueEntry, 1);
42e5f393
MA		 3037 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3038 &error_fatal);
3039 visit_free(v);
3040 loc_save(&bdo->loc);
3041 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3042 break;
3043 }
e4bcb14c 3044 case QEMU_OPTION_drive:
e2982c3a
MT		 3045 if (drive_def(optarg) == NULL) {
3046 exit(1);
3047 }
99efa84d 3048 break;
d058fe03
GH		 3049 case QEMU_OPTION_set:
3050 if (qemu_set_option(optarg) != 0)
3051 exit(1);
99efa84d 3052 break;
d0fef6fb
GH		 3053 case QEMU_OPTION_global:
3054 if (qemu_global_option(optarg) != 0)
3055 exit(1);
99efa84d 3056 break;
3e3d5815 3057 case QEMU_OPTION_mtdblock:
2292ddae 3058 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3e3d5815 3059 break;
a1bb27b1 3060 case QEMU_OPTION_sd:
80f4d9fc 3061 drive_add(IF_SD, -1, optarg, SD_OPTS);
a1bb27b1 3062 break;
86f55663 3063 case QEMU_OPTION_pflash:
2292ddae 3064 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
86f55663 3065 break;
cd6f1169 3066 case QEMU_OPTION_snapshot:
25863975
PD		 3067 {
3068 Error *blocker = NULL;
3069 snapshot = 1;
3070 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
3071 "-snapshot");
3072 replay_add_blocker(blocker);
3073 }
33e3963e 3074 break;
268a362c 3075 case QEMU_OPTION_numa:
70b94331
MA		 3076 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3077 optarg, true);
0042109a
WG		 3078 if (!opts) {
3079 exit(1);
3080 }
268a362c 3081 break;
1472a95b 3082 case QEMU_OPTION_display:
e3af9f9a 3083 parse_display(optarg);
1472a95b 3084 break;
cd6f1169 3085 case QEMU_OPTION_nographic:
cfc58cf3
EH		 3086 olist = qemu_find_opts("machine");
3087 qemu_opts_parse_noisily(olist, "graphics=off", false);
3088 nographic = true;
0c8d7065 3089 dpy.type = DISPLAY_TYPE_NONE;
a20dd508 3090 break;
4d3b6f6e 3091 case QEMU_OPTION_curses:
47b05369 3092#ifdef CONFIG_CURSES
14f130fa 3093 dpy.type = DISPLAY_TYPE_CURSES;
47b05369 3094#else
e08bb301 3095 error_report("curses or iconv support is disabled");
47b05369 3096 exit(1);
4d3b6f6e 3097#endif
47b05369 3098 break;
a171fe39 3099 case QEMU_OPTION_portrait:
9312805d
VK		 3100 graphic_rotate = 90;
3101 break;
3102 case QEMU_OPTION_rotate:
3103 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3104 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3105 graphic_rotate != 180 && graphic_rotate != 270) {
f61eddcb 3106 error_report("only 90, 180, 270 deg rotation is available");
9312805d
VK		 3107 exit(1);
3108 }
a171fe39 3109 break;
cd6f1169 3110 case QEMU_OPTION_kernel:
8ef3a4be 3111 qemu_opts_set(qemu_find_opts("machine"), NULL, "kernel", optarg,
79087c78 3112 &error_abort);
a0abe474
PM		 3113 break;
3114 case QEMU_OPTION_initrd:
8ef3a4be 3115 qemu_opts_set(qemu_find_opts("machine"), NULL, "initrd", optarg,
79087c78 3116 &error_abort);
a20dd508 3117 break;
cd6f1169 3118 case QEMU_OPTION_append:
8ef3a4be 3119 qemu_opts_set(qemu_find_opts("machine"), NULL, "append", optarg,
79087c78 3120 &error_abort);
313aa567 3121 break;
412beee6 3122 case QEMU_OPTION_dtb:
8ef3a4be 3123 qemu_opts_set(qemu_find_opts("machine"), NULL, "dtb", optarg,
79087c78 3124 &error_abort);
412beee6 3125 break;
cd6f1169 3126 case QEMU_OPTION_cdrom:
2292ddae 3127 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
36b486bb 3128 break;
cd6f1169 3129 case QEMU_OPTION_boot:
70b94331
MA		 3130 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3131 optarg, true);
8281abd5
MA		 3132 if (!opts) {
3133 exit(1);
36b486bb
FB		 3134 }
3135 break;
cd6f1169 3136 case QEMU_OPTION_fda:
cd6f1169 3137 case QEMU_OPTION_fdb:
2292ddae
MA		 3138 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3139 optarg, FD_OPTS);
c45886db 3140 break;
52ca8d6a
FB		 3141 case QEMU_OPTION_no_fd_bootchk:
3142 fd_bootchk = 0;
3143 break;
a1ea458f 3144 case QEMU_OPTION_netdev:
d30300f7 3145 default_net = 0;
3329f07b 3146 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
a1ea458f
MM		 3147 exit(1);
3148 }
3149 break;
78cd6f7b
TH		 3150 case QEMU_OPTION_nic:
3151 default_net = 0;
3152 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3153 exit(1);
3154 }
3155 break;
7c9d8e07 3156 case QEMU_OPTION_net:
d30300f7 3157 default_net = 0;
3329f07b 3158 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
c4b1fcc0
FB		 3159 exit(1);
3160 }
702c651c 3161 break;
f9dadc98
RS		 3162#ifdef CONFIG_LIBISCSI
3163 case QEMU_OPTION_iscsi:
70b94331
MA		 3164 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3165 optarg, false);
f9dadc98
RS		 3166 if (!opts) {
3167 exit(1);
3168 }
3169 break;
c7f74643 3170#endif
1d14ffa9 3171 case QEMU_OPTION_audio_help:
71830221 3172 audio_legacy_help();
1d14ffa9
FB		 3173 exit (0);
3174 break;
71830221
KZ		 3175 case QEMU_OPTION_audiodev:
3176 audio_parse_option(optarg);
3177 break;
1d14ffa9
FB		 3178 case QEMU_OPTION_soundhw:
3179 select_soundhw (optarg);
3180 break;
cd6f1169 3181 case QEMU_OPTION_h:
15f82208 3182 help(0);
cd6f1169 3183 break;
9bd7e6d9
PB		 3184 case QEMU_OPTION_version:
3185 version();
3186 exit(0);
3187 break;
3b9985e9 3188 case QEMU_OPTION_m:
70b94331
MA		 3189 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3190 optarg, true);
6e1d3c1c
IM		 3191 if (!opts) {
3192 exit(EXIT_FAILURE);
3193 }
cd6f1169 3194 break;
d1a0cf73
SB		 3195#ifdef CONFIG_TPM
3196 case QEMU_OPTION_tpmdev:
3197 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3198 exit(1);
3199 }
3200 break;
3201#endif
c902760f
MT		 3202 case QEMU_OPTION_mempath:
3203 mem_path = optarg;
3204 break;
c902760f
MT		 3205 case QEMU_OPTION_mem_prealloc:
3206 mem_prealloc = 1;
3207 break;
cd6f1169 3208 case QEMU_OPTION_d:
c235d738
MF		 3209 log_mask = optarg;
3210 break;
3211 case QEMU_OPTION_D:
3212 log_file = optarg;
cd6f1169 3213 break;
3514552e 3214 case QEMU_OPTION_DFILTER:
bd6fee9f 3215 qemu_set_dfilter_ranges(optarg, &error_fatal);
3514552e 3216 break;
9c09a251
RH		 3217 case QEMU_OPTION_seed:
3218 qemu_guest_random_seed_main(optarg, &error_fatal);
3219 break;
cd6f1169 3220 case QEMU_OPTION_s:
ef0c4a0d 3221 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
cd6f1169 3222 break;
59030a8c 3223 case QEMU_OPTION_gdb:
ef0c4a0d 3224 add_device_config(DEV_GDB, optarg);
cd6f1169 3225 break;
cd6f1169 3226 case QEMU_OPTION_L:
37146e7e
RJ		 3227 if (is_help_option(optarg)) {
3228 list_data_dirs = true;
2a1cce90 3229 } else {
ea1edcd7 3230 qemu_add_data_dir(g_strdup(optarg));
4524051c 3231 }
cd6f1169 3232 break;
1192dad8 3233 case QEMU_OPTION_bios:
8ef3a4be 3234 qemu_opts_set(qemu_find_opts("machine"), NULL, "firmware", optarg,
79087c78 3235 &error_abort);
1192dad8 3236 break;
1b530a6d
AJ		 3237 case QEMU_OPTION_singlestep:
3238 singlestep = 1;
3239 break;
cd6f1169 3240 case QEMU_OPTION_S:
3c07f8e8 3241 autostart = 0;
cd6f1169 3242 break;
99efa84d
MA		 3243 case QEMU_OPTION_k:
3244 keyboard_layout = optarg;
3245 break;
3893c124 3246 case QEMU_OPTION_vga:
a369da5f 3247 vga_model = optarg;
7f1b17f2 3248 default_vga = 0;
1bfe856e 3249 break;
e9b137c2
FB		 3250 case QEMU_OPTION_g:
3251 {
3252 const char *p;
3253 int w, h, depth;
3254 p = optarg;
3255 w = strtol(p, (char **)&p, 10);
3256 if (w <= 0) {
3257 graphic_error:
f61eddcb 3258 error_report("invalid resolution or depth");
e9b137c2
FB		 3259 exit(1);
3260 }
3261 if (*p != 'x')
3262 goto graphic_error;
3263 p++;
3264 h = strtol(p, (char **)&p, 10);
3265 if (h <= 0)
3266 goto graphic_error;
3267 if (*p == 'x') {
3268 p++;
3269 depth = strtol(p, (char **)&p, 10);
8ac919a0
LV		 3270 if (depth != 1 && depth != 2 && depth != 4 &&
3271 depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 3272 depth != 24 && depth != 32)
3273 goto graphic_error;
3274 } else if (*p == '\0') {
3275 depth = graphic_depth;
3276 } else {
3277 goto graphic_error;
3278 }
3b46e624 3279
e9b137c2
FB		 3280 graphic_width = w;
3281 graphic_height = h;
3282 graphic_depth = depth;
3283 }
3284 break;
20d8a3ed
TS		 3285 case QEMU_OPTION_echr:
3286 {
3287 char *r;
3288 term_escape_char = strtol(optarg, &r, 0);
3289 if (r == optarg)
3290 printf("Bad argument to echr\n");
3291 break;
3292 }
82c643ff 3293 case QEMU_OPTION_monitor:
6ca5582d 3294 default_monitor = 0;
70e098af 3295 if (strncmp(optarg, "none", 4)) {
4821cd4c 3296 monitor_parse(optarg, "readline", false);
70e098af 3297 }
6ca5582d
GH		 3298 break;
3299 case QEMU_OPTION_qmp:
4821cd4c
HR		 3300 monitor_parse(optarg, "control", false);
3301 default_monitor = 0;
3302 break;
3303 case QEMU_OPTION_qmp_pretty:
3304 monitor_parse(optarg, "control", true);
2d114dc1 3305 default_monitor = 0;
82c643ff 3306 break;
22a0e04b 3307 case QEMU_OPTION_mon:
70b94331
MA		 3308 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3309 true);
22a0e04b 3310 if (!opts) {
22a0e04b
GH		 3311 exit(1);
3312 }
2d114dc1 3313 default_monitor = 0;
22a0e04b 3314 break;
191bc01b 3315 case QEMU_OPTION_chardev:
70b94331
MA		 3316 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3317 optarg, true);
191bc01b 3318 if (!opts) {
191bc01b
GH		 3319 exit(1);
3320 }
191bc01b 3321 break;
74db920c 3322 case QEMU_OPTION_fsdev:
03b0ba70
GH		 3323 olist = qemu_find_opts("fsdev");
3324 if (!olist) {
5dfdae81 3325 error_report("fsdev support is disabled");
03b0ba70
GH		 3326 exit(1);
3327 }
70b94331 3328 opts = qemu_opts_parse_noisily(olist, optarg, true);
74db920c 3329 if (!opts) {
74db920c
GS		 3330 exit(1);
3331 }
3332 break;
3d54abc7 3333 case QEMU_OPTION_virtfs: {
e14ea479
SH		 3334 QemuOpts *fsdev;
3335 QemuOpts *device;
1a6ed33c
AM		 3336 const char *writeout, *sock_fd, *socket, *path, *security_model,
3337 *multidevs;
3d54abc7 3338
03b0ba70
GH		 3339 olist = qemu_find_opts("virtfs");
3340 if (!olist) {
5dfdae81 3341 error_report("virtfs support is disabled");
03b0ba70
GH		 3342 exit(1);
3343 }
70b94331 3344 opts = qemu_opts_parse_noisily(olist, optarg, true);
3d54abc7 3345 if (!opts) {
3d54abc7
GS		 3346 exit(1);
3347 }
3348
fbcbf101 3349 if (qemu_opt_get(opts, "fsdriver") == NULL ||
99519f0a 3350 qemu_opt_get(opts, "mount_tag") == NULL) {
8afb9000 3351 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
9ce56db6
VJ		 3352 exit(1);
3353 }
e14ea479 3354 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3baa0a6a 3355 qemu_opts_id(opts) ?:
8be7e7e4
LC		 3356 qemu_opt_get(opts, "mount_tag"),
3357 1, NULL);
e14ea479 3358 if (!fsdev) {
3baa0a6a 3359 error_report("duplicate or invalid fsdev id: %s",
f61eddcb 3360 qemu_opt_get(opts, "mount_tag"));
3d54abc7
GS		 3361 exit(1);
3362 }
d3ab98e6
AK		 3363
3364 writeout = qemu_opt_get(opts, "writeout");
3365 if (writeout) {
3366#ifdef CONFIG_SYNC_FILE_RANGE
f43e47db 3367 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
d3ab98e6 3368#else
f61eddcb
EH		 3369 error_report("writeout=immediate not supported "
3370 "on this platform");
d3ab98e6
AK		 3371 exit(1);
3372#endif
3373 }
f43e47db
MA		 3374 qemu_opt_set(fsdev, "fsdriver",
3375 qemu_opt_get(opts, "fsdriver"), &error_abort);
32b69436
GK		 3376 path = qemu_opt_get(opts, "path");
3377 if (path) {
3378 qemu_opt_set(fsdev, "path", path, &error_abort);
3379 }
3380 security_model = qemu_opt_get(opts, "security_model");
3381 if (security_model) {
3382 qemu_opt_set(fsdev, "security_model", security_model,
3383 &error_abort);
3384 }
84a87cc4
MK		 3385 socket = qemu_opt_get(opts, "socket");
3386 if (socket) {
f43e47db 3387 qemu_opt_set(fsdev, "socket", socket, &error_abort);
84a87cc4 3388 }
4c793dda
MK		 3389 sock_fd = qemu_opt_get(opts, "sock_fd");
3390 if (sock_fd) {
f43e47db 3391 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
4c793dda 3392 }
e14ea479 3393
2c74c2cb 3394 qemu_opt_set_bool(fsdev, "readonly",
cccb7967
MA		 3395 qemu_opt_get_bool(opts, "readonly", 0),
3396 &error_abort);
1a6ed33c
AM		 3397 multidevs = qemu_opt_get(opts, "multidevs");
3398 if (multidevs) {
3399 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3400 }
87ea75d5
PC		 3401 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3402 &error_abort);
f43e47db 3403 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
e14ea479 3404 qemu_opt_set(device, "fsdev",
3baa0a6a 3405 qemu_opts_id(fsdev), &error_abort);
e14ea479 3406 qemu_opt_set(device, "mount_tag",
f43e47db 3407 qemu_opt_get(opts, "mount_tag"), &error_abort);
3d54abc7
GS		 3408 break;
3409 }
82c643ff 3410 case QEMU_OPTION_serial:
998bbd74
GH		 3411 add_device_config(DEV_SERIAL, optarg);
3412 default_serial = 0;
18141ed6
JK		 3413 if (strncmp(optarg, "mon:", 4) == 0) {
3414 default_monitor = 0;
3415 }
82c643ff 3416 break;
9dd986cc 3417 case QEMU_OPTION_watchdog:
09aaa160 3418 if (watchdog) {
f61eddcb 3419 error_report("only one watchdog option may be given");
7b733862 3420 exit(1);
09aaa160
MA		 3421 }
3422 watchdog = optarg;
9dd986cc
RJ		 3423 break;
3424 case QEMU_OPTION_watchdog_action:
3425 if (select_watchdog_action(optarg) == -1) {
3e515373 3426 error_report("unknown -watchdog-action parameter");
9dd986cc
RJ		 3427 exit(1);
3428 }
3429 break;
6508fe59 3430 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 3431 add_device_config(DEV_PARALLEL, optarg);
3432 default_parallel = 0;
18141ed6
JK		 3433 if (strncmp(optarg, "mon:", 4) == 0) {
3434 default_monitor = 0;
3435 }
6508fe59 3436 break;
c9f398e5
PA		 3437 case QEMU_OPTION_debugcon:
3438 add_device_config(DEV_DEBUGCON, optarg);
3439 break;
99efa84d
MA		 3440 case QEMU_OPTION_loadvm:
3441 loadvm = optarg;
3442 break;
d63d307f 3443 case QEMU_OPTION_full_screen:
0c8d7065
GH		 3444 dpy.has_full_screen = true;
3445 dpy.full_screen = true;
d63d307f 3446 break;
3780e197
TS		 3447 case QEMU_OPTION_alt_grab:
3448 alt_grab = 1;
3449 break;
0ca9f8a4
DK		 3450 case QEMU_OPTION_ctrl_grab:
3451 ctrl_grab = 1;
3452 break;
667accab 3453 case QEMU_OPTION_no_quit:
0c8d7065
GH		 3454 dpy.has_window_close = true;
3455 dpy.window_close = false;
667accab 3456 break;
7d957bd8 3457 case QEMU_OPTION_sdl:
24f6ff86 3458#ifdef CONFIG_SDL
fe91f36a 3459 dpy.type = DISPLAY_TYPE_SDL;
7d957bd8 3460 break;
58fc096c 3461#else
f61eddcb 3462 error_report("SDL support is disabled");
58fc096c 3463 exit(1);
667accab 3464#endif
f7cce898 3465 case QEMU_OPTION_pidfile:
93815bc2 3466 pid_file = optarg;
f7cce898 3467 break;
a09db21f
FB		 3468 case QEMU_OPTION_win2k_hack:
3469 win2k_install_hack = 1;
3470 break;
8a92ea2f 3471 case QEMU_OPTION_acpitable:
70b94331
MA		 3472 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3473 optarg, true);
f46e720a
LE		 3474 if (!opts) {
3475 exit(1);
3476 }
9f57061c 3477 acpi_table_add(opts, &error_fatal);
8a92ea2f 3478 break;
b6f6e3d3 3479 case QEMU_OPTION_smbios:
70b94331
MA		 3480 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3481 optarg, false);
f46e720a
LE		 3482 if (!opts) {
3483 exit(1);
3484 }
1007a37e 3485 smbios_entry_add(opts, &error_fatal);
b6f6e3d3 3486 break;
81b2b810 3487 case QEMU_OPTION_fwcfg:
70b94331
MA		 3488 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3489 optarg, true);
81b2b810
GS		 3490 if (opts == NULL) {
3491 exit(1);
3492 }
3493 break;
047f7038
IM		 3494 case QEMU_OPTION_preconfig:
3495 preconfig_exit_requested = false;
3496 break;
7ba1e619 3497 case QEMU_OPTION_enable_kvm:
303d4e86 3498 olist = qemu_find_opts("machine");
70b94331 3499 qemu_opts_parse_noisily(olist, "accel=kvm", false);
303d4e86 3500 break;
364c3e6b 3501 case QEMU_OPTION_M:
303d4e86
AP		 3502 case QEMU_OPTION_machine:
3503 olist = qemu_find_opts("machine");
70b94331 3504 opts = qemu_opts_parse_noisily(olist, optarg, true);
303d4e86 3505 if (!opts) {
303d4e86
AP		 3506 exit(1);
3507 }
7ba1e619 3508 break;
a20fa79f 3509 case QEMU_OPTION_accel:
8d4e9146
FK		 3510 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3511 optarg, true);
3512 optarg = qemu_opt_get(accel_opts, "accel");
bde4d920 3513 if (!optarg || is_help_option(optarg)) {
cbe6d636
WSM		 3514 printf("Accelerators supported in QEMU binary:\n");
3515 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3516 false);
3517 for (el = accel_list; el; el = el->next) {
3518 gchar *typename = g_strdup(object_class_get_name(
3519 OBJECT_CLASS(el->data)));
3520 /* omit qtest which is used for tests only */
3521 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3522 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3523 gchar **optname = g_strsplit(typename,
3524 ACCEL_CLASS_SUFFIX, 0);
3525 printf("%s\n", optname[0]);
4903602e 3526 g_strfreev(optname);
cbe6d636
WSM		 3527 }
3528 g_free(typename);
3529 }
3530 g_slist_free(accel_list);
a20fa79f 3531 exit(0);
8d4e9146
FK		 3532 }
3533 break;
bb36d470 3534 case QEMU_OPTION_usb:
fa5358c6 3535 olist = qemu_find_opts("machine");
70b94331 3536 qemu_opts_parse_noisily(olist, "usb=on", false);
bb36d470 3537 break;
a594cfbf 3538 case QEMU_OPTION_usbdevice:
a358a3af
TH		 3539 error_report("'-usbdevice' is deprecated, please use "
3540 "'-device usb-...' instead");
fa5358c6 3541 olist = qemu_find_opts("machine");
70b94331 3542 qemu_opts_parse_noisily(olist, "usb=on", false);
bd3c948d
GH		 3543 add_device_config(DEV_USB, optarg);
3544 break;
3545 case QEMU_OPTION_device:
70b94331
MA		 3546 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3547 optarg, true)) {
f31d07d1
GH		 3548 exit(1);
3549 }
a594cfbf 3550 break;
6a00d601 3551 case QEMU_OPTION_smp:
70b94331
MA		 3552 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3553 optarg, true)) {
6be68d7e
JS		 3554 exit(1);
3555 }
6a00d601 3556 break;
99efa84d 3557 case QEMU_OPTION_vnc:
7b1ee0f2 3558 vnc_parse(optarg, &error_fatal);
821601ea 3559 break;
6515b203 3560 case QEMU_OPTION_no_acpi:
17e89077
GH		 3561 olist = qemu_find_opts("machine");
3562 qemu_opts_parse_noisily(olist, "acpi=off", false);
6515b203 3563 break;
16b29ae1
AL		 3564 case QEMU_OPTION_no_hpet:
3565 no_hpet = 1;
3566 break;
d1beab82
FB		 3567 case QEMU_OPTION_no_reboot:
3568 no_reboot = 1;
3569 break;
b2f76161
AJ		 3570 case QEMU_OPTION_no_shutdown:
3571 no_shutdown = 1;
3572 break;
9467cd46 3573 case QEMU_OPTION_show_cursor:
df2ac3cc
GH		 3574 warn_report("The -show-cursor option is deprecated. Please "
3575 "add show-cursor=on to your -display options.");
3576 warn_report("When using the default display you can use "
3577 "-display default,show-cursor=on");
09aa82ee
GH		 3578 dpy.has_show_cursor = true;
3579 dpy.show_cursor = true;
9467cd46 3580 break;
8fcb1b90 3581 case QEMU_OPTION_uuid:
9c5ce8db 3582 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
4cd70f34 3583 error_report("failed to parse UUID string: wrong format");
8fcb1b90
BS		 3584 exit(1);
3585 }
fc3b3295 3586 qemu_uuid_set = true;
8fcb1b90 3587 break;
99efa84d
MA		 3588 case QEMU_OPTION_option_rom:
3589 if (nb_option_roms >= MAX_OPTION_ROMS) {
3e515373 3590 error_report("too many option ROMs");
99efa84d
MA		 3591 exit(1);
3592 }
70b94331
MA		 3593 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3594 optarg, true);
49295ebc
MA		 3595 if (!opts) {
3596 exit(1);
3597 }
2e55e842
GN		 3598 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3599 option_rom[nb_option_roms].bootindex =
3600 qemu_opt_get_number(opts, "bootindex", -1);
3601 if (!option_rom[nb_option_roms].name) {
f61eddcb 3602 error_report("Option ROM file is not specified");
2e55e842
GN		 3603 exit(1);
3604 }
99efa84d
MA		 3605 nb_option_roms++;
3606 break;
8e71621f 3607 case QEMU_OPTION_semihosting:
f1672e6f 3608 qemu_semihosting_enable();
a38bb079
LI		 3609 break;
3610 case QEMU_OPTION_semihosting_config:
f1672e6f 3611 if (qemu_semihosting_config_options(optarg) != 0) {
a38bb079
LI		 3612 exit(1);
3613 }
8e71621f 3614 break;
c35734b2 3615 case QEMU_OPTION_name:
70b94331
MA		 3616 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3617 optarg, true);
5d12f961
DDAG		 3618 if (!opts) {
3619 exit(1);
3620 }
2880ffb0
MS		 3621 /* Capture guest name if -msg guest-name is used later */
3622 error_guest_name = qemu_opt_get(opts, "guest");
c35734b2 3623 break;
66508601
BS		 3624 case QEMU_OPTION_prom_env:
3625 if (nb_prom_envs >= MAX_PROM_ENVS) {
3e515373 3626 error_report("too many prom variables");
66508601
BS		 3627 exit(1);
3628 }
3629 prom_envs[nb_prom_envs] = optarg;
3630 nb_prom_envs++;
3631 break;
2b8f2d41
AZ		 3632 case QEMU_OPTION_old_param:
3633 old_param = 1;
05ebd537 3634 break;
1ed2fc1f 3635 case QEMU_OPTION_rtc:
70b94331
MA		 3636 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3637 false);
1ed2fc1f 3638 if (!opts) {
1ed2fc1f 3639 exit(1);
7e0af5d0
FB		 3640 }
3641 break;
26a5f13b 3642 case QEMU_OPTION_tb_size:
f940488f
EC		 3643#ifndef CONFIG_TCG
3644 error_report("TCG is disabled");
3645 exit(1);
3646#endif
fe174132
PB		 3647 warn_report("The -tb-size option is deprecated, use -accel tcg,tb-size instead");
3648 object_register_sugar_prop(ACCEL_CLASS_NAME("tcg"), "tb-size", optarg);
26a5f13b 3649 break;
2e70f6ef 3650 case QEMU_OPTION_icount:
70b94331
MA		 3651 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3652 optarg, true);
1ad9580b
ST		 3653 if (!icount_opts) {
3654 exit(1);
3655 }
2e70f6ef 3656 break;
5bb7910a 3657 case QEMU_OPTION_incoming:
7c76235a
DDAG		 3658 if (!incoming) {
3659 runstate_set(RUN_STATE_INMIGRATE);
3660 }
5bb7910a
AL		 3661 incoming = optarg;
3662 break;
d15c05fc 3663 case QEMU_OPTION_only_migratable:
811f8652 3664 only_migratable = 1;
d15c05fc 3665 break;
d8c208dd 3666 case QEMU_OPTION_nodefaults:
d44229c5 3667 has_defaults = 0;
d8c208dd 3668 break;
e37630ca 3669 case QEMU_OPTION_xen_domid:
ad96090a 3670 if (!(xen_available())) {
da002526 3671 error_report("Option not supported for this target");
ad96090a
BS		 3672 exit(1);
3673 }
e37630ca
AL		 3674 xen_domid = atoi(optarg);
3675 break;
e37630ca 3676 case QEMU_OPTION_xen_attach:
ad96090a 3677 if (!(xen_available())) {
da002526 3678 error_report("Option not supported for this target");
ad96090a
BS		 3679 exit(1);
3680 }
e37630ca
AL		 3681 xen_mode = XEN_ATTACH;
3682 break;
1c599472
PD		 3683 case QEMU_OPTION_xen_domid_restrict:
3684 if (!(xen_available())) {
3685 error_report("Option not supported for this target");
3686 exit(1);
3687 }
3688 xen_domid_restrict = true;
3689 break;
ab6540d5 3690 case QEMU_OPTION_trace:
e9e0bb2a
DL		 3691 g_free(trace_file);
3692 trace_file = trace_opt_parse(optarg);
ab6540d5 3693 break;
42229a75
LV		 3694 case QEMU_OPTION_plugin:
3695 qemu_plugin_opt_parse(optarg, &plugin_list);
3696 break;
715a664a
GH		 3697 case QEMU_OPTION_readconfig:
3698 {
dcfb0939
KW		 3699 int ret = qemu_read_config_file(optarg);
3700 if (ret < 0) {
f61eddcb
EH		 3701 error_report("read config %s: %s", optarg,
3702 strerror(-ret));
715a664a
GH		 3703 exit(1);
3704 }
715a664a
GH		 3705 break;
3706 }
29b0040b 3707 case QEMU_OPTION_spice:
9ed345a1
GH		 3708 olist = qemu_find_opts_err("spice", NULL);
3709 if (!olist) {
3710 ui_module_load_one("spice-core");
3711 olist = qemu_find_opts("spice");
3712 }
29b0040b 3713 if (!olist) {
5dfdae81 3714 error_report("spice support is disabled");
29b0040b
GH		 3715 exit(1);
3716 }
70b94331 3717 opts = qemu_opts_parse_noisily(olist, optarg, false);
29b0040b 3718 if (!opts) {
29b0040b
GH		 3719 exit(1);
3720 }
f963e4d0 3721 display_remote++;
29b0040b 3722 break;
715a664a
GH		 3723 case QEMU_OPTION_writeconfig:
3724 {
3725 FILE *fp;
3726 if (strcmp(optarg, "-") == 0) {
3727 fp = stdout;
3728 } else {
3729 fp = fopen(optarg, "w");
3730 if (fp == NULL) {
f61eddcb
EH		 3731 error_report("open %s: %s", optarg,
3732 strerror(errno));
715a664a
GH		 3733 exit(1);
3734 }
3735 }
3736 qemu_config_write(fp);
7fb8b5d9
CG		 3737 if (fp != stdout) {
3738 fclose(fp);
3739 }
715a664a
GH		 3740 break;
3741 }
c7f0f3b1
AL		 3742 case QEMU_OPTION_qtest:
3743 qtest_chrdev = optarg;
3744 break;
3745 case QEMU_OPTION_qtest_log:
3746 qtest_log = optarg;
3747 break;
7d76ad4f 3748 case QEMU_OPTION_sandbox:
2bb814a4
MAL		 3749 olist = qemu_find_opts("sandbox");
3750 if (!olist) {
3751#ifndef CONFIG_SECCOMP
3752 error_report("-sandbox support is not enabled "
3753 "in this QEMU binary");
3754#endif
3755 exit(1);
3756 }
3757
3758 opts = qemu_opts_parse_noisily(olist, optarg, true);
7d76ad4f 3759 if (!opts) {
49295ebc 3760 exit(1);
7d76ad4f
EO		 3761 }
3762 break;
587ed6be
CB		 3763 case QEMU_OPTION_add_fd:
3764#ifndef _WIN32
70b94331
MA		 3765 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3766 optarg, false);
587ed6be 3767 if (!opts) {
49295ebc 3768 exit(1);
587ed6be
CB		 3769 }
3770#else
3771 error_report("File descriptor passing is disabled on this "
3772 "platform");
3773 exit(1);
3774#endif
3775 break;
68d98d3e 3776 case QEMU_OPTION_object:
70b94331
MA		 3777 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3778 optarg, true);
49295ebc
MA		 3779 if (!opts) {
3780 exit(1);
3781 }
68d98d3e 3782 break;
888a6bc6 3783 case QEMU_OPTION_realtime:
583f34c4
TH		 3784 warn_report("'-realtime mlock=...' is deprecated, please use "
3785 "'-overcommit mem-lock=...' instead");
70b94331
MA		 3786 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3787 optarg, false);
888a6bc6
SM		 3788 if (!opts) {
3789 exit(1);
3790 }
6f131f13
MT		 3791 /* Don't override the -overcommit option if set */
3792 enable_mlock = enable_mlock ||
3793 qemu_opt_get_bool(opts, "mlock", true);
3794 break;
3795 case QEMU_OPTION_overcommit:
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3797 optarg, false);
3798 if (!opts) {
3799 exit(1);
3800 }
3801 /* Don't override the -realtime option if set */
3802 enable_mlock = enable_mlock ||
3803 qemu_opt_get_bool(opts, "mem-lock", false);
3804 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
888a6bc6 3805 break;
5e2ac519 3806 case QEMU_OPTION_msg:
70b94331
MA		 3807 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3808 false);
5e2ac519
SA		 3809 if (!opts) {
3810 exit(1);
3811 }
3812 configure_msg(opts);
3813 break;
abfd9ce3 3814 case QEMU_OPTION_dump_vmstate:
522abf69 3815 if (vmstate_dump_file) {
f61eddcb
EH		 3816 error_report("only one '-dump-vmstate' "
3817 "option may be given");
522abf69
GA		 3818 exit(1);
3819 }
abfd9ce3
AS		 3820 vmstate_dump_file = fopen(optarg, "w");
3821 if (vmstate_dump_file == NULL) {
f61eddcb 3822 error_report("open %s: %s", optarg, strerror(errno));
abfd9ce3
AS		 3823 exit(1);
3824 }
12df189d
EC		 3825 break;
3826 case QEMU_OPTION_enable_sync_profile:
3827 qsp_enable();
abfd9ce3 3828 break;
aec0d0e1
MP		 3829 case QEMU_OPTION_nouserconfig:
3830 /* Nothing to be parsed here. Especially, do not error out below. */
3831 break;
59a5264b 3832 default:
1217d6ca
TH		 3833 if (os_parse_cmd_args(popt->index, optarg)) {
3834 error_report("Option not supported in this build");
3835 exit(1);
3836 }
cd6f1169 3837 }
0824d6fc
FB		 3838 }
3839 }
43fa1e0b
EH		 3840 /*
3841 * Clear error location left behind by the loop.
3842 * Best done right after the loop. Do not insert code here!
3843 */
3844 loc_set_none();
364c3e6b 3845
3df261b6
PM		 3846 /*
3847 * Check for -cpu help and -device help before we call select_machine(),
3848 * which will return an error if the architecture has no default machine
3849 * type and the user did not specify one, so that the user doesn't need
3850 * to say '-cpu help -machine something'.
3851 */
3852 if (cpu_option && is_help_option(cpu_option)) {
3853 list_cpus(cpu_option);
3854 exit(0);
3855 }
3856
3857 if (qemu_opts_foreach(qemu_find_opts("device"),
3858 device_help_func, NULL, NULL)) {
3859 exit(0);
3860 }
3861
fc4a4734
MA		 3862 user_register_global_props();
3863
4c27b859
PD		 3864 replay_configure(icount_opts);
3865
047f7038
IM		 3866 if (incoming && !preconfig_exit_requested) {
3867 error_report("'preconfig' and 'incoming' options are "
3868 "mutually exclusive");
3869 exit(EXIT_FAILURE);
3870 }
3871
eb6a5209
AP		 3872 configure_rtc(qemu_find_opts_singleton("rtc"));
3873
7580f231 3874 machine_class = select_machine();
1a3ec8c1 3875 object_set_machine_compat_props(machine_class->compat_props);
076b35b5 3876
2a7b18a3
IM		 3877 have_custom_ram_size = set_memory_options(&ram_slots, &maxram_size,
3878 machine_class);
3879
2d9c2725 3880 os_daemonize();
45222b9a 3881 rcu_disable_atfork();
2d9c2725 3882
9e6bdef2
MAL		 3883 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3884 error_reportf_err(err, "cannot create PID file: ");
004c8e00
MT		 3885 exit(1);
3886 }
3887
90a84d13
MAL		 3888 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3889 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3890
2f78e491 3891 if (qemu_init_main_loop(&main_loop_err)) {
565f65d2 3892 error_report_err(main_loop_err);
1c53786f
PB		 3893 exit(1);
3894 }
3895
9d0fdecb 3896#ifdef CONFIG_SECCOMP
5780760f 3897 olist = qemu_find_opts_err("sandbox", NULL);
65484597
MA		 3898 if (olist) {
3899 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
7d76ad4f 3900 }
9d0fdecb 3901#endif
7d76ad4f 3902
5343bda4
MA		 3903 qemu_opts_foreach(qemu_find_opts("name"),
3904 parse_name, NULL, &error_fatal);
5b9d313e 3905
587ed6be 3906#ifndef _WIN32
6353218b
MA		 3907 qemu_opts_foreach(qemu_find_opts("add-fd"),
3908 parse_add_fd, NULL, &error_fatal);
587ed6be 3909
6353218b
MA		 3910 qemu_opts_foreach(qemu_find_opts("add-fd"),
3911 cleanup_add_fd, NULL, &error_fatal);
587ed6be
CB		 3912#endif
3913
3c75e12e 3914 current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
52eb3dfd
MA		 3915 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3916 exit(0);
3917 }
0056ae24 3918 object_property_add_child(object_get_root(), "machine",
d2623129 3919 OBJECT(current_machine));
e2fb3fbb
MA		 3920 object_property_add_child(container_get(OBJECT(current_machine),
3921 "/unattached"),
d2623129 3922 "sysbus", OBJECT(sysbus_get_default()));
20bccb82
PM		 3923
3924 if (machine_class->minimum_page_bits) {
3925 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3926 /* This would be a board error: specifying a minimum smaller than
3927 * a target's compile-time fixed setting.
3928 */
3929 g_assert_not_reached();
3930 }
3931 }
3932
b5c2c3d0 3933 cpu_exec_init_all();
0056ae24 3934
958db90c 3935 if (machine_class->hw_version) {
35c2c8dc 3936 qemu_set_hw_version(machine_class->hw_version);
93bfef4c
CV		 3937 }
3938
62cb4145
DL		 3939 if (!trace_init_backends()) {
3940 exit(1);
3941 }
41fc57e4
PB		 3942 trace_init_file(trace_file);
3943
67633bb4 3944 /* Open the logfile at this point and set the log mask if necessary.
c235d738 3945 */
e144a605 3946 qemu_set_log_filename(log_file, &error_fatal);
c235d738 3947 if (log_mask) {
b946bffa 3948 int mask;
b946bffa
PM		 3949 mask = qemu_str_to_log_mask(log_mask);
3950 if (!mask) {
3951 qemu_print_log_usage(stdout);
3952 exit(1);
3953 }
3954 qemu_set_log(mask);
ed7f5f1d
PB		 3955 } else {
3956 qemu_set_log(0);
c235d738 3957 }
330d0414 3958
3d5eecab
GH		 3959 /* add configured firmware directories */
3960 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3961 for (i = 0; dirs[i] != NULL; i++) {
ea1edcd7 3962 qemu_add_data_dir(get_relocated_path(dirs[i]));
3d5eecab 3963 }
35471127 3964 g_strfreev(dirs);
3d5eecab
GH		 3965
3966 /* try to find datadir relative to the executable path */
ea1edcd7 3967 qemu_add_data_dir(find_datadir());
5cea8590 3968
37146e7e
RJ		 3969 /* -L help lists the data directories and exits. */
3970 if (list_data_dirs) {
3971 for (i = 0; i < data_dir_idx; i++) {
3972 printf("%s\n", data_dir[i]);
3973 }
3974 exit(0);
3975 }
3976
6f479566
LX		 3977 machine_class->smp_parse(current_machine,
3978 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
6be68d7e 3979
72649619 3980 /* sanity-check smp_cpus and max_cpus against machine_class */
a5e0b331 3981 if (current_machine->smp.cpus < machine_class->min_cpus) {
72649619 3982 error_report("Invalid SMP CPUs %d. The min CPUs "
a5e0b331
LX		 3983 "supported by machine '%s' is %d",
3984 current_machine->smp.cpus,
72649619
EC		 3985 machine_class->name, machine_class->min_cpus);
3986 exit(1);
3987 }
a5e0b331 3988 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
c0dd1099 3989 error_report("Invalid SMP CPUs %d. The max CPUs "
a5e0b331
LX		 3990 "supported by machine '%s' is %d",
3991 current_machine->smp.max_cpus,
f61eddcb 3992 machine_class->name, machine_class->max_cpus);
b2097003
AL		 3993 exit(1);
3994 }
3995
ffac16fa
IM		 3996 if (mem_prealloc) {
3997 char *val;
3998
3999 val = g_strdup_printf("%d", current_machine->smp.cpus);
4000 object_register_sugar_prop("memory-backend", "prealloc-threads", val);
4001 g_free(val);
4ebc74db 4002 object_register_sugar_prop("memory-backend", "prealloc", "on");
ffac16fa
IM		 4003 }
4004
67b724e6
AP		 4005 /*
4006 * Get the default machine options from the machine if it is not already
4007 * specified either by the configuration file or by the command line.
4008 */
958db90c 4009 if (machine_class->default_machine_opts) {
25de5935 4010 qemu_opts_set_defaults(qemu_find_opts("machine"),
958db90c 4011 machine_class->default_machine_opts, 0);
67b724e6
AP		 4012 }
4013
42229a75
LV		 4014 /* process plugin before CPUs are created, but once -smp has been parsed */
4015 if (qemu_plugin_load_list(&plugin_list)) {
4016 exit(1);
4017 }
4018
28d0de7a
MA		 4019 qemu_opts_foreach(qemu_find_opts("device"),
4020 default_driver_check, NULL, NULL);
4021 qemu_opts_foreach(qemu_find_opts("global"),
4022 default_driver_check, NULL, NULL);
998bbd74 4023
d44229c5
MW		 4024 if (!vga_model && !default_vga) {
4025 vga_interface_type = VGA_DEVICE;
4026 }
958db90c 4027 if (!has_defaults || machine_class->no_serial) {
986c5f78
GH		 4028 default_serial = 0;
4029 }
958db90c 4030 if (!has_defaults || machine_class->no_parallel) {
986c5f78
GH		 4031 default_parallel = 0;
4032 }
958db90c 4033 if (!has_defaults || machine_class->no_floppy) {
ac33f8fa
GH		 4034 default_floppy = 0;
4035 }
958db90c 4036 if (!has_defaults || machine_class->no_cdrom) {
ac33f8fa
GH		 4037 default_cdrom = 0;
4038 }
958db90c 4039 if (!has_defaults || machine_class->no_sdcard) {
ac33f8fa
GH		 4040 default_sdcard = 0;
4041 }
d44229c5
MW		 4042 if (!has_defaults) {
4043 default_monitor = 0;
4044 default_net = 0;
4045 default_vga = 0;
4046 }
986c5f78 4047
ab51b1d5 4048 if (is_daemonized()) {
2ee3518b
IM		 4049 if (!preconfig_exit_requested) {
4050 error_report("'preconfig' and 'daemonize' options are "
4051 "mutually exclusive");
4052 exit(EXIT_FAILURE);
4053 }
4054
ab51b1d5
MT		 4055 /* According to documentation and historically, -nographic redirects
4056 * serial port, parallel port and monitor to stdio, which does not work
4057 * with -daemonize. We can redirect these to null instead, but since
4058 * -nographic is legacy, let's just error out.
4059 * We disallow -nographic only if all other ports are not redirected
4060 * explicitly, to not break existing legacy setups which uses
4061 * -nographic _and_ redirects all ports explicitly - this is valid
4062 * usage, -nographic is just a no-op in this case.
4063 */
cfc58cf3 4064 if (nographic
9fd7e96a 4065 && (default_parallel || default_serial || default_monitor)) {
4cd70f34 4066 error_report("-nographic cannot be used with -daemonize");
ab51b1d5
MT		 4067 exit(1);
4068 }
4069#ifdef CONFIG_CURSES
e3af9f9a 4070 if (dpy.type == DISPLAY_TYPE_CURSES) {
4cd70f34 4071 error_report("curses display cannot be used with -daemonize");
ab51b1d5
MT		 4072 exit(1);
4073 }
4074#endif
4075 }
4076
cfc58cf3 4077 if (nographic) {
6a5e8b0e
GH		 4078 if (default_parallel)
4079 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 4080 if (default_serial && default_monitor) {
4081 add_device_config(DEV_SERIAL, "mon:stdio");
4082 } else {
4083 if (default_serial)
4084 add_device_config(DEV_SERIAL, "stdio");
4085 if (default_monitor)
4821cd4c 4086 monitor_parse("stdio", "readline", false);
e1c09175 4087 }
998bbd74
GH		 4088 } else {
4089 if (default_serial)
4090 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 4091 if (default_parallel)
4092 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4093 if (default_monitor)
4821cd4c 4094 monitor_parse("vc:80Cx24C", "readline", false);
bc0129d9
AL		 4095 }
4096
006decd4
GH		 4097#if defined(CONFIG_VNC)
4098 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4099 display_remote++;
4100 }
4101#endif
e3af9f9a 4102 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
898f9d41
GH		 4103 if (!qemu_display_find_default(&dpy)) {
4104 dpy.type = DISPLAY_TYPE_NONE;
4105#if defined(CONFIG_VNC)
4106 vnc_parse("localhost:0,to=99,id=default", &error_abort);
15546425 4107#endif
898f9d41 4108 }
15546425 4109 }
db71589f
GH		 4110 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4111 dpy.type = DISPLAY_TYPE_NONE;
15546425
AL		 4112 }
4113
09bd7ba9
TH		 4114 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4115 error_report("-alt-grab and -ctrl-grab are only valid "
f61eddcb 4116 "for SDL, ignoring option");
047d4e15 4117 }
78782712 4118 if (dpy.has_window_close &&
e3af9f9a 4119 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
f61eddcb
EH		 4120 error_report("-no-quit is only valid for GTK and SDL, "
4121 "ignoring option");
047d4e15
PW		 4122 }
4123
5ee1718f 4124 qemu_display_early_init(&dpy);
777357d7
MAL		 4125 qemu_console_early_init();
4126
62f27922 4127 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
0b71a5d5 4128#if defined(CONFIG_OPENGL)
8afb9000 4129 error_report("OpenGL is not supported by the display");
0b71a5d5 4130#else
5dfdae81 4131 error_report("OpenGL support is disabled");
0b71a5d5
GH		 4132#endif
4133 exit(1);
4134 }
15546425 4135
87f50caa 4136 page_size_init();
a5829fd9
T		 4137 socket_init();
4138
7e1e0c11
MA		 4139 qemu_opts_foreach(qemu_find_opts("object"),
4140 user_creatable_add_opts_foreach,
4141 object_create_initial, &error_fatal);
a4c7367f 4142
93ab5844
GH		 4143 /* spice needs the timers to be initialized by this point */
4144 /* spice must initialize before audio as it changes the default auiodev */
4145 /* spice must initialize before chardevs (for spicevmc and spiceport) */
63be30e6 4146 qemu_spice.init();
93ab5844 4147
dd4af977
MA		 4148 qemu_opts_foreach(qemu_find_opts("chardev"),
4149 chardev_init_func, NULL, &error_fatal);
2c189a4e 4150
758e8e38 4151#ifdef CONFIG_VIRTFS
b836723d
MA		 4152 qemu_opts_foreach(qemu_find_opts("fsdev"),
4153 fsdev_init_func, NULL, &error_fatal);
74db920c 4154#endif
1a688d3b 4155
cda4aa9a 4156 /*
dea1fb88 4157 * Note: we need to create audio and block backends before
cda4aa9a 4158 * machine_set_property(), so machine properties can refer to
2fa23277 4159 * them.
cda4aa9a
MA		 4160 */
4161 configure_blockdev(&bdo_queue, machine_class, snapshot);
dea1fb88 4162 audio_init_audiodevs();
cda4aa9a 4163
6b1b1440 4164 machine_opts = qemu_get_machine_opts();
702832b8
MA		 4165 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4166 &error_fatal);
622e99c5
IM		 4167 current_machine->ram_size = ram_size;
4168 current_machine->maxram_size = maxram_size;
4169 current_machine->ram_slots = ram_slots;
6b1b1440 4170
0427b625
MA		 4171 /*
4172 * Note: uses machine properties such as kernel-irqchip, must run
4173 * after machine_set_property().
4174 */
28a09617 4175 configure_accelerators(argv[0]);
214910a7 4176
0427b625
MA		 4177 /*
4178 * Beware, QOM objects created before this point miss global and
4179 * compat properties.
4180 *
4181 * Global properties get set up by qdev_prop_register_global(),
4182 * called from user_register_global_props(), and certain option
4183 * desugaring. Also in CPU feature desugaring (buried in
c1c8cfe5 4184 * parse_cpu_option()), which happens below this point, but may
0427b625 4185 * only target the CPU type, which can only be created after
c1c8cfe5 4186 * parse_cpu_option() returned the type.
0427b625
MA		 4187 *
4188 * Machine compat properties: object_set_machine_compat_props().
4189 * Accelerator compat props: object_set_accelerator_compat_props(),
4190 * called from configure_accelerator().
4191 */
4192
08fe6824
TH		 4193 if (!qtest_enabled() && machine_class->deprecation_reason) {
4194 error_report("Machine type '%s' is deprecated: %s",
4195 machine_class->name, machine_class->deprecation_reason);
4196 }
4197
2fa23277 4198 /*
0427b625
MA		 4199 * Note: creates a QOM object, must run only after global and
4200 * compat properties have been set up.
2fa23277
MA		 4201 */
4202 migration_object_init();
4203
2c189a4e 4204 if (qtest_chrdev) {
2b8985f1 4205 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
2c189a4e
DB		 4206 }
4207
2ff3de68
MA		 4208 machine_opts = qemu_get_machine_opts();
4209 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4210 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4211 kernel_cmdline = qemu_opt_get(machine_opts, "append");
1442d3e6 4212 bios_name = qemu_opt_get(machine_opts, "firmware");
967c0da7 4213
8281abd5
MA		 4214 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4215 if (opts) {
f05f47bb
GA		 4216 boot_order = qemu_opt_get(opts, "order");
4217 if (boot_order) {
007b0657 4218 validate_bootdevices(boot_order, &error_fatal);
8281abd5
MA		 4219 }
4220
f05f47bb
GA		 4221 boot_once = qemu_opt_get(opts, "once");
4222 if (boot_once) {
007b0657 4223 validate_bootdevices(boot_once, &error_fatal);
8281abd5
MA		 4224 }
4225
4226 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
e5187b56 4227 boot_strict = qemu_opt_get_bool(opts, "strict", false);
8281abd5
MA		 4228 }
4229
f05f47bb
GA		 4230 if (!boot_order) {
4231 boot_order = machine_class->default_boot_order;
4232 }
4233
a0abe474
PM		 4234 if (!kernel_cmdline) {
4235 kernel_cmdline = "";
6b1b1440 4236 current_machine->kernel_cmdline = (char *)kernel_cmdline;
a0abe474
PM		 4237 }
4238
a20dd508 4239 linux_boot = (kernel_filename != NULL);
6c41b272 4240
f8d39c01 4241 if (!linux_boot && *kernel_cmdline != '\0') {
f61eddcb 4242 error_report("-append only allowed with -kernel option");
f8d39c01
TS		 4243 exit(1);
4244 }
4245
4246 if (!linux_boot && initrd_filename != NULL) {
f61eddcb 4247 error_report("-initrd only allowed with -kernel option");
f8d39c01
TS		 4248 exit(1);
4249 }
4250
a59d31a1
LA		 4251 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4252 /* fall back to the -kernel/-append */
4253 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4254 }
4255
740b1759
CF		 4256 /* initialize cpu timers and VCPU throttle modules */
4257 cpu_timers_init();
83fd9629 4258
d30300f7
EH		 4259 if (default_net) {
4260 QemuOptsList *net = qemu_find_opts("net");
4261 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4262#ifdef CONFIG_SLIRP
4263 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4264#endif
4265 }
4266
34f708b0
TH		 4267 if (net_init_clients(&err) < 0) {
4268 error_report_err(err);
dc1c9fe8 4269 exit(1);
702c651c 4270 }
f1510b2c 4271
7e1e0c11
MA		 4272 qemu_opts_foreach(qemu_find_opts("object"),
4273 user_creatable_add_opts_foreach,
4274 object_create_delayed, &error_fatal);
9abce56d 4275
d64072c0
MA		 4276 if (tpm_init() < 0) {
4277 exit(1);
4278 }
d1a0cf73 4279
c163b5ca 4280 blk_mig_init();
0d6ab3ab 4281 ram_mig_init();
b35ebdf0 4282 dirty_bitmap_mig_init();
c163b5ca 4283
2d5a3a8b
MA		 4284 qemu_opts_foreach(qemu_find_opts("mon"),
4285 mon_init_func, NULL, &error_fatal);
157b9319 4286
8de702cb
KP		 4287 /* connect semihosting console input if requested */
4288 qemu_semihosting_console_init();
4289
998bbd74
GH		 4290 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4291 exit(1);
6a5e8b0e
GH		 4292 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4293 exit(1);
c9f398e5
PA		 4294 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4295 exit(1);
2796dae0 4296
619985e9
KF		 4297 /* now chardevs have been created we may have semihosting to connect */
4298 qemu_semihosting_connect_chardevs();
4299
7f1b17f2 4300 /* If no default VGA is requested, the default is "none". */
3605ded5 4301 if (default_vga) {
dceb8852 4302 vga_model = get_default_vga_model(machine_class);
a369da5f 4303 }
d44229c5 4304 if (vga_model) {
dceb8852 4305 select_vgahw(machine_class, vga_model);
d44229c5 4306 }
a369da5f 4307
09aaa160
MA		 4308 if (watchdog) {
4309 i = select_watchdog(watchdog);
4310 if (i > 0)
4311 exit (i == 1 ? 1 : 0);
4312 }
4313
8bd7f71d
PD		 4314 /* This checkpoint is required by replay to separate prior clock
4315 reading from the other reads, because timer polling functions query
4316 clock values from the log. */
4317 replay_checkpoint(CHECKPOINT_INIT);
1de81d28
AL		 4318 qdev_machine_init();
4319
3ef96221 4320 current_machine->boot_order = boot_order;
3ef96221 4321
6063d4c0 4322 /* parse features once if machine provides default cpu_type */
2278b939 4323 current_machine->cpu_type = machine_class->default_cpu_type;
c1c8cfe5
EH		 4324 if (cpu_option) {
4325 current_machine->cpu_type = parse_cpu_option(cpu_option);
6063d4c0 4326 }
a1b18df9 4327
2a7b18a3
IM		 4328 if (current_machine->ram_memdev_id) {
4329 Object *backend;
4330 ram_addr_t backend_size;
4331
4332 backend = object_resolve_path_type(current_machine->ram_memdev_id,
4333 TYPE_MEMORY_BACKEND, NULL);
4951247d
MAL		 4334 if (!backend) {
4335 error_report("Memory backend '%s' not found",
4336 current_machine->ram_memdev_id);
4337 exit(EXIT_FAILURE);
4338 }
2a7b18a3
IM		 4339 backend_size = object_property_get_uint(backend, "size", &error_abort);
4340 if (have_custom_ram_size && backend_size != ram_size) {
4341 error_report("Size specified by -m option must match size of "
4342 "explicitly specified 'memory-backend' property");
4343 exit(EXIT_FAILURE);
4344 }
1148e4f4
IM		 4345 if (mem_path) {
4346 error_report("'-mem-path' can't be used together with"
4347 "'-machine memory-backend'");
4348 exit(EXIT_FAILURE);
4349 }
2a7b18a3
IM		 4350 ram_size = backend_size;
4351 }
4352
4353 if (!xen_enabled()) {
4354 /* On 32-bit hosts, QEMU is limited by virtual address space */
4355 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4356 error_report("at most 2047 MB RAM can be simulated");
4357 exit(1);
4358 }
4359 }
4360
d342eb76 4361 parse_numa_opts(current_machine);
6063d4c0 4362
59d55a16
IM		 4363 /* do monitor/qmp handling at preconfig state if requested */
4364 qemu_main_loop();
4365
900c0ba3 4366 if (machine_class->default_ram_id && current_machine->ram_size &&
6b61c2c5 4367 numa_uses_legacy_mem() && !current_machine->ram_memdev_id) {
ffac16fa 4368 create_default_memdev(current_machine, mem_path);
900c0ba3 4369 }
047f7038
IM		 4370
4371 /* from here on runstate is RUN_STATE_PRELAUNCH */
482dfe9a 4372 machine_run_board_init(current_machine);
3023f332 4373
a1b40bda
MA		 4374 /*
4375 * TODO To drop support for deprecated bogus if=..., move
4376 * drive_check_orphaned() here, replacing this call. Also drop
4377 * its deprecation warning, along with DriveInfo member
4378 * @claimed_by_board.
4379 */
4380 drive_mark_claimed_by_board();
4381
28d16f38
HZ		 4382 realtime_init();
4383
4c565674 4384 soundhw_init();
b3e6d591 4385
b0cb0a66
VP		 4386 if (hax_enabled()) {
4387 hax_sync_vcpus();
4388 }
4389
406b6367
MA		 4390 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4391 parse_fw_cfg, fw_cfg_find(), &error_fatal);
81b2b810 4392
3023f332 4393 /* init USB devices */
4bcbe0b6 4394 if (machine_usb(current_machine)) {
0752706d
MA		 4395 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4396 exit(1);
3023f332
AL		 4397 }
4398
bd3c948d 4399 /* init generic devices */
bab47d9a 4400 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
cd65f349
MA		 4401 qemu_opts_foreach(qemu_find_opts("device"),
4402 device_init_func, NULL, &error_fatal);
9c6703fe 4403
3741c250
DL		 4404 cpu_synchronize_all_post_init();
4405
bab47d9a 4406 rom_reset_order_override();
bd3c948d 4407
a66c9dc7
JS		 4408 /* Did we create any drives that we failed to create a device for? */
4409 drive_check_orphaned();
4410
d30300f7
EH		 4411 /* Don't warn about the default network setup that you get if
4412 * no command line -net or -netdev options are specified. There
4413 * are two cases that we would otherwise complain about:
4414 * (1) board doesn't support a NIC but the implicit "-net nic"
4415 * requested one
4416 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4417 * sets up a nic that isn't connected to anything.
4418 */
a3ab1dc0 4419 if (!default_net && (!qtest_enabled() || has_defaults)) {
d30300f7
EH		 4420 net_check_clients();
4421 }
4422
f05f47bb 4423 if (boot_once) {
07d04a02 4424 qemu_boot_set(boot_once, &error_fatal);
f05f47bb
GA		 4425 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4426 }
4427
6b62dc2d 4428 /* init local displays */
b0766612
GH		 4429 ds = init_displaystate();
4430 qemu_display_init(ds, &dpy);
6b62dc2d 4431
0ce235a7
GN		 4432 /* must be after terminal init, SDL library changes signal handlers */
4433 os_setup_signal_handling();
4434
6b62dc2d 4435 /* init remote displays */
a663fbd9 4436#ifdef CONFIG_VNC
28d0de7a 4437 qemu_opts_foreach(qemu_find_opts("vnc"),
612aea20 4438 vnc_init_func, NULL, &error_fatal);
a663fbd9 4439#endif
f8c75b24 4440
9fa03286 4441 if (using_spice) {
b192cd1e 4442 qemu_spice.display_init();
a3e22260 4443 }
5b08fc10 4444
ef0c4a0d 4445 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
59030a8c 4446 exit(1);
45669e00 4447 }
45669e00 4448
3418bd25
GH		 4449 qdev_machine_creation_done();
4450
80376c3f
IY		 4451 /* TODO: once all bus devices are qdevified, this should be done
4452 * when bus is created by qdev.c */
751b4b7b
DH		 4453 /*
4454 * TODO: If we had a main 'reset container' that the whole system
4455 * lived in, we could reset that using the multi-phase reset
4456 * APIs. For the moment, we just reset the sysbus, which will cause
4457 * all devices hanging off it (and all their child buses, recursively)
4458 * to be reset. Note that this will *not* reset any Device objects
4459 * which are not attached to some part of the qbus tree!
4460 */
4461 qemu_register_reset(resettable_cold_reset_fn, sysbus_get_default());
4cab946a
GN		 4462 qemu_run_machine_init_done_notifiers();
4463
6b3f7f63 4464 if (rom_check_and_register_reset() != 0) {
f61eddcb 4465 error_report("rom check and register reset failed");
6b3f7f63
EA		 4466 exit(1);
4467 }
d916b464 4468
7615936e
PD		 4469 replay_start();
4470
8bd7f71d
PD		 4471 /* This checkpoint is required by replay to separate prior clock
4472 reading from the other reads, because timer polling functions query
4473 clock values from the log. */
4474 replay_checkpoint(CHECKPOINT_RESET);
aedbe192 4475 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
48212d87 4476 register_global_state();
bb3d7702 4477 if (loadvm) {
927d6638 4478 Error *local_err = NULL;
5e22479a 4479 if (load_snapshot(loadvm, &local_err) < 0) {
927d6638 4480 error_report_err(local_err);
05f2401e 4481 autostart = 0;
827beacb 4482 exit(1);
05f2401e
JQ		 4483 }
4484 }
bb3d7702
PD		 4485 if (replay_mode != REPLAY_MODE_NONE) {
4486 replay_vmstate_init();
4487 }
d63d307f 4488
d828c430 4489 qdev_prop_check_globals();
abfd9ce3
AS		 4490 if (vmstate_dump_file) {
4491 /* dump and exit */
4492 dump_vmstate_json_to_file(vmstate_dump_file);
7b733862 4493 exit(0);
abfd9ce3 4494 }
9f9260a3 4495
2bb8c10c 4496 if (incoming) {
43eaae28
PB		 4497 Error *local_err = NULL;
4498 qemu_start_incoming_migration(incoming, &local_err);
4499 if (local_err) {
c29b77f9 4500 error_reportf_err(local_err, "-incoming %s: ", incoming);
43eaae28 4501 exit(1);
8ca5e801 4502 }
6b99dadc 4503 } else if (autostart) {
c0f4ce77 4504 vm_start();
6b99dadc 4505 }
ffd843bc 4506
7a64c17f 4507 accel_setup_post(current_machine);
eb505be1 4508 os_setup_post();
71e3ceb8 4509
7b733862
AB		 4510 return;
4511}
4486e89c 4512
7b733862
AB		 4513void qemu_cleanup(void)
4514{
1bb982b8
KF		 4515 gdbserver_cleanup();
4516
892ae715
DDAG		 4517 /*
4518 * cleaning up the migration object cancels any existing migration
4519 * try to do this early so that it also stops using devices.
4520 */
4521 migration_shutdown();
4522
e6f0ac4d
HR		 4523 /*
4524 * We must cancel all block jobs while the block layer is drained,
4525 * or cancelling will be affected by throttling and thus may block
4526 * for an extended period of time.
4527 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4528 * it in the drained section.
4529 * We do not need to end this section, because we do not want any
4530 * requests happening from here on anyway.
4531 */
4532 bdrv_drain_all_begin();
4533
4486e89c
SH		 4534 /* No more vcpu or device emulation activity beyond this point */
4535 vm_shutdown();
ae25dccb 4536 replay_finish();
4486e89c 4537
b3b5299d 4538 job_cancel_sync_all();
452589b6 4539 bdrv_close_all();
00d09fdb 4540
3d3b8303 4541 res_free();
b46a8906 4542
aa5cb7f5 4543 /* vhost-user must be cleaned up before chardevs. */
c37cacab 4544 tpm_cleanup();
8caf911d 4545 net_cleanup();
a384c205 4546 audio_cleanup();
2ef45716 4547 monitor_cleanup();
aa5cb7f5 4548 qemu_chr_cleanup();
9d5139e5 4549 user_creatable_cleanup();
474628e8 4550 /* TODO: unref root container, check all devices are ok */
0824d6fc 4551}
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