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kvm: add call to qemu_add_opts() for -overcommit option
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
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.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static DisplayOptions dpy;
155 int no_frame;
156 static int num_serial_hds;
157 static Chardev **serial_hds;
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 int win2k_install_hack = 0;
161 int singlestep = 0;
162 int smp_cpus;
163 unsigned int max_cpus;
164 int smp_cores = 1;
165 int smp_threads = 1;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205 bool xen_domid_restrict;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "scsi-hd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
288 },
289 };
290
291 static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
295 .merge_lists = true,
296 .desc = {
297 {
298 .name = "accel",
299 .type = QEMU_OPT_STRING,
300 .help = "Select the type of accelerator",
301 },
302 {
303 .name = "thread",
304 .type = QEMU_OPT_STRING,
305 .help = "Enable/disable multi-threaded TCG",
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_boot_opts = {
312 .name = "boot-opts",
313 .implied_opt_name = "order",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
316 .desc = {
317 {
318 .name = "order",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "once",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "menu",
325 .type = QEMU_OPT_BOOL,
326 }, {
327 .name = "splash",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "splash-time",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "reboot-timeout",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "strict",
337 .type = QEMU_OPT_BOOL,
338 },
339 { /*End of list */ }
340 },
341 };
342
343 static QemuOptsList qemu_add_fd_opts = {
344 .name = "add-fd",
345 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
346 .desc = {
347 {
348 .name = "fd",
349 .type = QEMU_OPT_NUMBER,
350 .help = "file descriptor of which a duplicate is added to fd set",
351 },{
352 .name = "set",
353 .type = QEMU_OPT_NUMBER,
354 .help = "ID of the fd set to add fd to",
355 },{
356 .name = "opaque",
357 .type = QEMU_OPT_STRING,
358 .help = "free-form string used to describe fd",
359 },
360 { /* end of list */ }
361 },
362 };
363
364 static QemuOptsList qemu_object_opts = {
365 .name = "object",
366 .implied_opt_name = "qom-type",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
368 .desc = {
369 { }
370 },
371 };
372
373 static QemuOptsList qemu_tpmdev_opts = {
374 .name = "tpmdev",
375 .implied_opt_name = "type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
377 .desc = {
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_realtime_opts = {
384 .name = "realtime",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
386 .desc = {
387 {
388 .name = "mlock",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_overcommit_opts = {
396 .name = "overcommit",
397 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
398 .desc = {
399 {
400 .name = "mem-lock",
401 .type = QEMU_OPT_BOOL,
402 },
403 {
404 .name = "cpu-pm",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRECONFIG;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
596 /* Early switch to inmigrate state to allow -incoming CLI option work
597 * as it used to. TODO: delay actual switching to inmigrate state to
598 * the point after machine is built and remove this hack.
599 */
600 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
630 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_PAUSED, RUN_STATE_COLO},
632
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
640
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
646
647 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
648 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_COLO, RUN_STATE_RUNNING },
651
652 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
653 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
655 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
656 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
659 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
660 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
661 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
662 { RUN_STATE_RUNNING, RUN_STATE_COLO},
663
664 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
665
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
671 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
672 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
673 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
674 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
675 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
676
677 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
678 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
681
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
685
686 { RUN_STATE__MAX, RUN_STATE__MAX },
687 };
688
689 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
690
691 bool runstate_check(RunState state)
692 {
693 return current_run_state == state;
694 }
695
696 bool runstate_store(char *str, size_t size)
697 {
698 const char *state = RunState_str(current_run_state);
699 size_t len = strlen(state) + 1;
700
701 if (len > size) {
702 return false;
703 }
704 memcpy(str, state, len);
705 return true;
706 }
707
708 static void runstate_init(void)
709 {
710 const RunStateTransition *p;
711
712 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
713 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
714 runstate_valid_transitions[p->from][p->to] = true;
715 }
716
717 qemu_mutex_init(&vmstop_lock);
718 }
719
720 /* This function will abort() on invalid state transitions */
721 void runstate_set(RunState new_state)
722 {
723 assert(new_state < RUN_STATE__MAX);
724
725 if (current_run_state == new_state) {
726 return;
727 }
728
729 if (!runstate_valid_transitions[current_run_state][new_state]) {
730 error_report("invalid runstate transition: '%s' -> '%s'",
731 RunState_str(current_run_state),
732 RunState_str(new_state));
733 abort();
734 }
735 trace_runstate_set(new_state);
736 current_run_state = new_state;
737 }
738
739 int runstate_is_running(void)
740 {
741 return runstate_check(RUN_STATE_RUNNING);
742 }
743
744 bool runstate_needs_reset(void)
745 {
746 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
747 runstate_check(RUN_STATE_SHUTDOWN);
748 }
749
750 StatusInfo *qmp_query_status(Error **errp)
751 {
752 StatusInfo *info = g_malloc0(sizeof(*info));
753
754 info->running = runstate_is_running();
755 info->singlestep = singlestep;
756 info->status = current_run_state;
757
758 return info;
759 }
760
761 bool qemu_vmstop_requested(RunState *r)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 *r = vmstop_requested;
765 vmstop_requested = RUN_STATE__MAX;
766 qemu_mutex_unlock(&vmstop_lock);
767 return *r < RUN_STATE__MAX;
768 }
769
770 void qemu_system_vmstop_request_prepare(void)
771 {
772 qemu_mutex_lock(&vmstop_lock);
773 }
774
775 void qemu_system_vmstop_request(RunState state)
776 {
777 vmstop_requested = state;
778 qemu_mutex_unlock(&vmstop_lock);
779 qemu_notify_event();
780 }
781
782 /***********************************************************/
783 /* real time host monotonic timer */
784
785 static time_t qemu_time(void)
786 {
787 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
788 }
789
790 /***********************************************************/
791 /* host time/date access */
792 void qemu_get_timedate(struct tm *tm, int offset)
793 {
794 time_t ti = qemu_time();
795
796 ti += offset;
797 if (rtc_date_offset == -1) {
798 if (rtc_utc)
799 gmtime_r(&ti, tm);
800 else
801 localtime_r(&ti, tm);
802 } else {
803 ti -= rtc_date_offset;
804 gmtime_r(&ti, tm);
805 }
806 }
807
808 int qemu_timedate_diff(struct tm *tm)
809 {
810 time_t seconds;
811
812 if (rtc_date_offset == -1)
813 if (rtc_utc)
814 seconds = mktimegm(tm);
815 else {
816 struct tm tmp = *tm;
817 tmp.tm_isdst = -1; /* use timezone to figure it out */
818 seconds = mktime(&tmp);
819 }
820 else
821 seconds = mktimegm(tm) + rtc_date_offset;
822
823 return seconds - qemu_time();
824 }
825
826 static void configure_rtc_date_offset(const char *startdate, int legacy)
827 {
828 time_t rtc_start_date;
829 struct tm tm;
830
831 if (!strcmp(startdate, "now") && legacy) {
832 rtc_date_offset = -1;
833 } else {
834 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
835 &tm.tm_year,
836 &tm.tm_mon,
837 &tm.tm_mday,
838 &tm.tm_hour,
839 &tm.tm_min,
840 &tm.tm_sec) == 6) {
841 /* OK */
842 } else if (sscanf(startdate, "%d-%d-%d",
843 &tm.tm_year,
844 &tm.tm_mon,
845 &tm.tm_mday) == 3) {
846 tm.tm_hour = 0;
847 tm.tm_min = 0;
848 tm.tm_sec = 0;
849 } else {
850 goto date_fail;
851 }
852 tm.tm_year -= 1900;
853 tm.tm_mon--;
854 rtc_start_date = mktimegm(&tm);
855 if (rtc_start_date == -1) {
856 date_fail:
857 error_report("invalid date format");
858 error_printf("valid formats: "
859 "'2006-06-17T16:01:21' or '2006-06-17'\n");
860 exit(1);
861 }
862 rtc_date_offset = qemu_time() - rtc_start_date;
863 }
864 }
865
866 static void configure_rtc(QemuOpts *opts)
867 {
868 const char *value;
869
870 value = qemu_opt_get(opts, "base");
871 if (value) {
872 if (!strcmp(value, "utc")) {
873 rtc_utc = 1;
874 } else if (!strcmp(value, "localtime")) {
875 Error *blocker = NULL;
876 rtc_utc = 0;
877 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
878 "-rtc base=localtime");
879 replay_add_blocker(blocker);
880 } else {
881 configure_rtc_date_offset(value, 0);
882 }
883 }
884 value = qemu_opt_get(opts, "clock");
885 if (value) {
886 if (!strcmp(value, "host")) {
887 rtc_clock = QEMU_CLOCK_HOST;
888 } else if (!strcmp(value, "rt")) {
889 rtc_clock = QEMU_CLOCK_REALTIME;
890 } else if (!strcmp(value, "vm")) {
891 rtc_clock = QEMU_CLOCK_VIRTUAL;
892 } else {
893 error_report("invalid option value '%s'", value);
894 exit(1);
895 }
896 }
897 value = qemu_opt_get(opts, "driftfix");
898 if (value) {
899 if (!strcmp(value, "slew")) {
900 static GlobalProperty slew_lost_ticks = {
901 .driver = "mc146818rtc",
902 .property = "lost_tick_policy",
903 .value = "slew",
904 };
905
906 qdev_prop_register_global(&slew_lost_ticks);
907 } else if (!strcmp(value, "none")) {
908 /* discard is default */
909 } else {
910 error_report("invalid option value '%s'", value);
911 exit(1);
912 }
913 }
914 }
915
916 /***********************************************************/
917 /* Bluetooth support */
918 static int nb_hcis;
919 static int cur_hci;
920 static struct HCIInfo *hci_table[MAX_NICS];
921
922 struct HCIInfo *qemu_next_hci(void)
923 {
924 if (cur_hci == nb_hcis)
925 return &null_hci;
926
927 return hci_table[cur_hci++];
928 }
929
930 static int bt_hci_parse(const char *str)
931 {
932 struct HCIInfo *hci;
933 bdaddr_t bdaddr;
934
935 if (nb_hcis >= MAX_NICS) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
937 return -1;
938 }
939
940 hci = hci_init(str);
941 if (!hci)
942 return -1;
943
944 bdaddr.b[0] = 0x52;
945 bdaddr.b[1] = 0x54;
946 bdaddr.b[2] = 0x00;
947 bdaddr.b[3] = 0x12;
948 bdaddr.b[4] = 0x34;
949 bdaddr.b[5] = 0x56 + nb_hcis;
950 hci->bdaddr_set(hci, bdaddr.b);
951
952 hci_table[nb_hcis++] = hci;
953
954 return 0;
955 }
956
957 static void bt_vhci_add(int vlan_id)
958 {
959 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 warn_report("adding a VHCI to an empty scatternet %i",
963 vlan_id);
964
965 bt_vhci_init(bt_new_hci(vlan));
966 }
967
968 static struct bt_device_s *bt_device_add(const char *opt)
969 {
970 struct bt_scatternet_s *vlan;
971 int vlan_id = 0;
972 char *endp = strstr(opt, ",vlan=");
973 int len = (endp ? endp - opt : strlen(opt)) + 1;
974 char devname[10];
975
976 pstrcpy(devname, MIN(sizeof(devname), len), opt);
977
978 if (endp) {
979 vlan_id = strtol(endp + 6, &endp, 0);
980 if (*endp) {
981 error_report("unrecognised bluetooth vlan Id");
982 return 0;
983 }
984 }
985
986 vlan = qemu_find_bt_vlan(vlan_id);
987
988 if (!vlan->slave)
989 warn_report("adding a slave device to an empty scatternet %i",
990 vlan_id);
991
992 if (!strcmp(devname, "keyboard"))
993 return bt_keyboard_init(vlan);
994
995 error_report("unsupported bluetooth device '%s'", devname);
996 return 0;
997 }
998
999 static int bt_parse(const char *opt)
1000 {
1001 const char *endp, *p;
1002 int vlan;
1003
1004 if (strstart(opt, "hci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp)
1007 if (!strstart(endp, ",vlan=", 0))
1008 opt = endp + 1;
1009
1010 return bt_hci_parse(opt);
1011 }
1012 } else if (strstart(opt, "vhci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp) {
1015 if (strstart(endp, ",vlan=", &p)) {
1016 vlan = strtol(p, (char **) &endp, 0);
1017 if (*endp) {
1018 error_report("bad scatternet '%s'", p);
1019 return 1;
1020 }
1021 } else {
1022 error_report("bad parameter '%s'", endp + 1);
1023 return 1;
1024 }
1025 } else
1026 vlan = 0;
1027
1028 bt_vhci_add(vlan);
1029 return 0;
1030 }
1031 } else if (strstart(opt, "device:", &endp))
1032 return !bt_device_add(endp);
1033
1034 error_report("bad bluetooth parameter '%s'", opt);
1035 return 1;
1036 }
1037
1038 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 const char *proc_name;
1041
1042 if (qemu_opt_get(opts, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1044 }
1045 qemu_name = qemu_opt_get(opts, "guest");
1046
1047 proc_name = qemu_opt_get(opts, "process");
1048 if (proc_name) {
1049 os_set_proc_name(proc_name);
1050 }
1051
1052 return 0;
1053 }
1054
1055 bool defaults_enabled(void)
1056 {
1057 return has_defaults;
1058 }
1059
1060 #ifndef _WIN32
1061 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 int fd, dupfd, flags;
1064 int64_t fdset_id;
1065 const char *fd_opaque = NULL;
1066 AddfdInfo *fdinfo;
1067
1068 fd = qemu_opt_get_number(opts, "fd", -1);
1069 fdset_id = qemu_opt_get_number(opts, "set", -1);
1070 fd_opaque = qemu_opt_get(opts, "opaque");
1071
1072 if (fd < 0) {
1073 error_report("fd option is required and must be non-negative");
1074 return -1;
1075 }
1076
1077 if (fd <= STDERR_FILENO) {
1078 error_report("fd cannot be a standard I/O stream");
1079 return -1;
1080 }
1081
1082 /*
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1085 */
1086 flags = fcntl(fd, F_GETFD);
1087 if (flags == -1 || (flags & FD_CLOEXEC)) {
1088 error_report("fd is not valid or already in use");
1089 return -1;
1090 }
1091
1092 if (fdset_id < 0) {
1093 error_report("set option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1099 #else
1100 dupfd = dup(fd);
1101 if (dupfd != -1) {
1102 qemu_set_cloexec(dupfd);
1103 }
1104 #endif
1105 if (dupfd == -1) {
1106 error_report("error duplicating fd: %s", strerror(errno));
1107 return -1;
1108 }
1109
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1112 &error_abort);
1113 g_free(fdinfo);
1114
1115 return 0;
1116 }
1117
1118 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1119 {
1120 int fd;
1121
1122 fd = qemu_opt_get_number(opts, "fd", -1);
1123 close(fd);
1124
1125 return 0;
1126 }
1127 #endif
1128
1129 /***********************************************************/
1130 /* QEMU Block devices */
1131
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1134 #define FD_OPTS ""
1135 #define PFLASH_OPTS ""
1136 #define MTD_OPTS ""
1137 #define SD_OPTS ""
1138
1139 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1140 {
1141 BlockInterfaceType *block_default_type = opaque;
1142
1143 return drive_new(opts, *block_default_type) == NULL;
1144 }
1145
1146 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1147 {
1148 if (qemu_opt_get(opts, "snapshot") == NULL) {
1149 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1150 }
1151 return 0;
1152 }
1153
1154 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1155 int index, const char *optstr)
1156 {
1157 QemuOpts *opts;
1158 DriveInfo *dinfo;
1159
1160 if (!enable || drive_get_by_index(type, index)) {
1161 return;
1162 }
1163
1164 opts = drive_add(type, index, NULL, optstr);
1165 if (snapshot) {
1166 drive_enable_snapshot(NULL, opts, NULL);
1167 }
1168
1169 dinfo = drive_new(opts, type);
1170 if (!dinfo) {
1171 exit(1);
1172 }
1173 dinfo->is_default = true;
1174
1175 }
1176
1177 static QemuOptsList qemu_smp_opts = {
1178 .name = "smp-opts",
1179 .implied_opt_name = "cpus",
1180 .merge_lists = true,
1181 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1182 .desc = {
1183 {
1184 .name = "cpus",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "sockets",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "cores",
1191 .type = QEMU_OPT_NUMBER,
1192 }, {
1193 .name = "threads",
1194 .type = QEMU_OPT_NUMBER,
1195 }, {
1196 .name = "maxcpus",
1197 .type = QEMU_OPT_NUMBER,
1198 },
1199 { /*End of list */ }
1200 },
1201 };
1202
1203 static void smp_parse(QemuOpts *opts)
1204 {
1205 if (opts) {
1206 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1207 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1208 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1209 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1210
1211 /* compute missing values, prefer sockets over cores over threads */
1212 if (cpus == 0 || sockets == 0) {
1213 sockets = sockets > 0 ? sockets : 1;
1214 cores = cores > 0 ? cores : 1;
1215 threads = threads > 0 ? threads : 1;
1216 if (cpus == 0) {
1217 cpus = cores * threads * sockets;
1218 }
1219 } else if (cores == 0) {
1220 threads = threads > 0 ? threads : 1;
1221 cores = cpus / (sockets * threads);
1222 cores = cores > 0 ? cores : 1;
1223 } else if (threads == 0) {
1224 threads = cpus / (cores * sockets);
1225 threads = threads > 0 ? threads : 1;
1226 } else if (sockets * cores * threads < cpus) {
1227 error_report("cpu topology: "
1228 "sockets (%u) * cores (%u) * threads (%u) < "
1229 "smp_cpus (%u)",
1230 sockets, cores, threads, cpus);
1231 exit(1);
1232 }
1233
1234 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1235
1236 if (max_cpus < cpus) {
1237 error_report("maxcpus must be equal to or greater than smp");
1238 exit(1);
1239 }
1240
1241 if (sockets * cores * threads > max_cpus) {
1242 error_report("cpu topology: "
1243 "sockets (%u) * cores (%u) * threads (%u) > "
1244 "maxcpus (%u)",
1245 sockets, cores, threads, max_cpus);
1246 exit(1);
1247 }
1248
1249 smp_cpus = cpus;
1250 smp_cores = cores;
1251 smp_threads = threads;
1252 }
1253
1254 if (smp_cpus > 1) {
1255 Error *blocker = NULL;
1256 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1257 replay_add_blocker(blocker);
1258 }
1259 }
1260
1261 static void realtime_init(void)
1262 {
1263 if (enable_mlock) {
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1266 exit(1);
1267 }
1268 }
1269 }
1270
1271
1272 static void configure_msg(QemuOpts *opts)
1273 {
1274 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1275 }
1276
1277 /***********************************************************/
1278 /* Semihosting */
1279
1280 typedef struct SemihostingConfig {
1281 bool enabled;
1282 SemihostingTarget target;
1283 const char **argv;
1284 int argc;
1285 const char *cmdline; /* concatenated argv */
1286 } SemihostingConfig;
1287
1288 static SemihostingConfig semihosting;
1289
1290 bool semihosting_enabled(void)
1291 {
1292 return semihosting.enabled;
1293 }
1294
1295 SemihostingTarget semihosting_get_target(void)
1296 {
1297 return semihosting.target;
1298 }
1299
1300 const char *semihosting_get_arg(int i)
1301 {
1302 if (i >= semihosting.argc) {
1303 return NULL;
1304 }
1305 return semihosting.argv[i];
1306 }
1307
1308 int semihosting_get_argc(void)
1309 {
1310 return semihosting.argc;
1311 }
1312
1313 const char *semihosting_get_cmdline(void)
1314 {
1315 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1316 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1317 }
1318 return semihosting.cmdline;
1319 }
1320
1321 static int add_semihosting_arg(void *opaque,
1322 const char *name, const char *val,
1323 Error **errp)
1324 {
1325 SemihostingConfig *s = opaque;
1326 if (strcmp(name, "arg") == 0) {
1327 s->argc++;
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1330 s->argv[s->argc - 1] = val;
1331 s->argv[s->argc] = NULL;
1332 }
1333 return 0;
1334 }
1335
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1338 {
1339 char *cmd_token;
1340
1341 /* argv[0] */
1342 add_semihosting_arg(&semihosting, "arg", file, NULL);
1343
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token = strtok(g_strdup(cmd), " ");
1346 while (cmd_token) {
1347 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1348 cmd_token = strtok(NULL, " ");
1349 }
1350 }
1351
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru;
1354 static void igd_gfx_passthru(void)
1355 {
1356 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1357 }
1358
1359 /***********************************************************/
1360 /* USB devices */
1361
1362 static int usb_device_add(const char *devname)
1363 {
1364 USBDevice *dev = NULL;
1365
1366 if (!machine_usb(current_machine)) {
1367 return -1;
1368 }
1369
1370 dev = usbdevice_create(devname);
1371 if (!dev)
1372 return -1;
1373
1374 return 0;
1375 }
1376
1377 static int usb_parse(const char *cmdline)
1378 {
1379 int r;
1380 r = usb_device_add(cmdline);
1381 if (r < 0) {
1382 error_report("could not add USB device '%s'", cmdline);
1383 }
1384 return r;
1385 }
1386
1387 /***********************************************************/
1388 /* machine registration */
1389
1390 MachineState *current_machine;
1391
1392 static MachineClass *find_machine(const char *name)
1393 {
1394 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1395 MachineClass *mc = NULL;
1396
1397 for (el = machines; el; el = el->next) {
1398 MachineClass *temp = el->data;
1399
1400 if (!strcmp(temp->name, name)) {
1401 mc = temp;
1402 break;
1403 }
1404 if (temp->alias &&
1405 !strcmp(temp->alias, name)) {
1406 mc = temp;
1407 break;
1408 }
1409 }
1410
1411 g_slist_free(machines);
1412 return mc;
1413 }
1414
1415 MachineClass *find_default_machine(void)
1416 {
1417 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1418 MachineClass *mc = NULL;
1419
1420 for (el = machines; el; el = el->next) {
1421 MachineClass *temp = el->data;
1422
1423 if (temp->is_default) {
1424 mc = temp;
1425 break;
1426 }
1427 }
1428
1429 g_slist_free(machines);
1430 return mc;
1431 }
1432
1433 MachineInfoList *qmp_query_machines(Error **errp)
1434 {
1435 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1436 MachineInfoList *mach_list = NULL;
1437
1438 for (el = machines; el; el = el->next) {
1439 MachineClass *mc = el->data;
1440 MachineInfoList *entry;
1441 MachineInfo *info;
1442
1443 info = g_malloc0(sizeof(*info));
1444 if (mc->is_default) {
1445 info->has_is_default = true;
1446 info->is_default = true;
1447 }
1448
1449 if (mc->alias) {
1450 info->has_alias = true;
1451 info->alias = g_strdup(mc->alias);
1452 }
1453
1454 info->name = g_strdup(mc->name);
1455 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1456 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1457
1458 entry = g_malloc0(sizeof(*entry));
1459 entry->value = info;
1460 entry->next = mach_list;
1461 mach_list = entry;
1462 }
1463
1464 g_slist_free(machines);
1465 return mach_list;
1466 }
1467
1468 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1469 {
1470 ObjectProperty *prop;
1471 ObjectPropertyIterator iter;
1472
1473 if (!qemu_opt_has_help_opt(opts)) {
1474 return 0;
1475 }
1476
1477 object_property_iter_init(&iter, OBJECT(machine));
1478 while ((prop = object_property_iter_next(&iter))) {
1479 if (!prop->set) {
1480 continue;
1481 }
1482
1483 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1484 prop->name, prop->type);
1485 if (prop->description) {
1486 error_printf(" (%s)\n", prop->description);
1487 } else {
1488 error_printf("\n");
1489 }
1490 }
1491
1492 return 1;
1493 }
1494
1495 /***********************************************************/
1496 /* main execution loop */
1497
1498 struct vm_change_state_entry {
1499 VMChangeStateHandler *cb;
1500 void *opaque;
1501 QLIST_ENTRY (vm_change_state_entry) entries;
1502 };
1503
1504 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1505
1506 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1507 void *opaque)
1508 {
1509 VMChangeStateEntry *e;
1510
1511 e = g_malloc0(sizeof (*e));
1512
1513 e->cb = cb;
1514 e->opaque = opaque;
1515 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1516 return e;
1517 }
1518
1519 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1520 {
1521 QLIST_REMOVE (e, entries);
1522 g_free (e);
1523 }
1524
1525 void vm_state_notify(int running, RunState state)
1526 {
1527 VMChangeStateEntry *e, *next;
1528
1529 trace_vm_state_notify(running, state);
1530
1531 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1532 e->cb(e->opaque, running, state);
1533 }
1534 }
1535
1536 static ShutdownCause reset_requested;
1537 static ShutdownCause shutdown_requested;
1538 static int shutdown_signal;
1539 static pid_t shutdown_pid;
1540 static int powerdown_requested;
1541 static int debug_requested;
1542 static int suspend_requested;
1543 static bool preconfig_exit_requested = true;
1544 static WakeupReason wakeup_reason;
1545 static NotifierList powerdown_notifiers =
1546 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1547 static NotifierList suspend_notifiers =
1548 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1549 static NotifierList wakeup_notifiers =
1550 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1551 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1552
1553 ShutdownCause qemu_shutdown_requested_get(void)
1554 {
1555 return shutdown_requested;
1556 }
1557
1558 ShutdownCause qemu_reset_requested_get(void)
1559 {
1560 return reset_requested;
1561 }
1562
1563 static int qemu_shutdown_requested(void)
1564 {
1565 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1566 }
1567
1568 static void qemu_kill_report(void)
1569 {
1570 if (!qtest_driver() && shutdown_signal) {
1571 if (shutdown_pid == 0) {
1572 /* This happens for eg ^C at the terminal, so it's worth
1573 * avoiding printing an odd message in that case.
1574 */
1575 error_report("terminating on signal %d", shutdown_signal);
1576 } else {
1577 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1578
1579 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1580 shutdown_signal, shutdown_pid,
1581 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1582 g_free(shutdown_cmd);
1583 }
1584 shutdown_signal = 0;
1585 }
1586 }
1587
1588 static ShutdownCause qemu_reset_requested(void)
1589 {
1590 ShutdownCause r = reset_requested;
1591
1592 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1593 reset_requested = SHUTDOWN_CAUSE_NONE;
1594 return r;
1595 }
1596 return SHUTDOWN_CAUSE_NONE;
1597 }
1598
1599 static int qemu_suspend_requested(void)
1600 {
1601 int r = suspend_requested;
1602 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1603 suspend_requested = 0;
1604 return r;
1605 }
1606 return false;
1607 }
1608
1609 static WakeupReason qemu_wakeup_requested(void)
1610 {
1611 return wakeup_reason;
1612 }
1613
1614 static int qemu_powerdown_requested(void)
1615 {
1616 int r = powerdown_requested;
1617 powerdown_requested = 0;
1618 return r;
1619 }
1620
1621 static int qemu_debug_requested(void)
1622 {
1623 int r = debug_requested;
1624 debug_requested = 0;
1625 return r;
1626 }
1627
1628 void qemu_exit_preconfig_request(void)
1629 {
1630 preconfig_exit_requested = true;
1631 }
1632
1633 /*
1634 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1635 */
1636 void qemu_system_reset(ShutdownCause reason)
1637 {
1638 MachineClass *mc;
1639
1640 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1641
1642 cpu_synchronize_all_states();
1643
1644 if (mc && mc->reset) {
1645 mc->reset();
1646 } else {
1647 qemu_devices_reset();
1648 }
1649 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1650 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1651 &error_abort);
1652 }
1653 cpu_synchronize_all_post_reset();
1654 }
1655
1656 void qemu_system_guest_panicked(GuestPanicInformation *info)
1657 {
1658 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1659
1660 if (current_cpu) {
1661 current_cpu->crash_occurred = true;
1662 }
1663 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1664 !!info, info, &error_abort);
1665 vm_stop(RUN_STATE_GUEST_PANICKED);
1666 if (!no_shutdown) {
1667 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1668 !!info, info, &error_abort);
1669 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1670 }
1671
1672 if (info) {
1673 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1674 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1675 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1676 info->u.hyper_v.arg1,
1677 info->u.hyper_v.arg2,
1678 info->u.hyper_v.arg3,
1679 info->u.hyper_v.arg4,
1680 info->u.hyper_v.arg5);
1681 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1682 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1683 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1684 info->u.s390.core,
1685 S390CrashReason_str(info->u.s390.reason),
1686 info->u.s390.psw_mask,
1687 info->u.s390.psw_addr);
1688 }
1689 qapi_free_GuestPanicInformation(info);
1690 }
1691 }
1692
1693 void qemu_system_reset_request(ShutdownCause reason)
1694 {
1695 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1696 shutdown_requested = reason;
1697 } else {
1698 reset_requested = reason;
1699 }
1700 cpu_stop_current();
1701 qemu_notify_event();
1702 }
1703
1704 static void qemu_system_suspend(void)
1705 {
1706 pause_all_vcpus();
1707 notifier_list_notify(&suspend_notifiers, NULL);
1708 runstate_set(RUN_STATE_SUSPENDED);
1709 qapi_event_send_suspend(&error_abort);
1710 }
1711
1712 void qemu_system_suspend_request(void)
1713 {
1714 if (runstate_check(RUN_STATE_SUSPENDED)) {
1715 return;
1716 }
1717 suspend_requested = 1;
1718 cpu_stop_current();
1719 qemu_notify_event();
1720 }
1721
1722 void qemu_register_suspend_notifier(Notifier *notifier)
1723 {
1724 notifier_list_add(&suspend_notifiers, notifier);
1725 }
1726
1727 void qemu_system_wakeup_request(WakeupReason reason)
1728 {
1729 trace_system_wakeup_request(reason);
1730
1731 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1732 return;
1733 }
1734 if (!(wakeup_reason_mask & (1 << reason))) {
1735 return;
1736 }
1737 runstate_set(RUN_STATE_RUNNING);
1738 wakeup_reason = reason;
1739 qemu_notify_event();
1740 }
1741
1742 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1743 {
1744 if (enabled) {
1745 wakeup_reason_mask |= (1 << reason);
1746 } else {
1747 wakeup_reason_mask &= ~(1 << reason);
1748 }
1749 }
1750
1751 void qemu_register_wakeup_notifier(Notifier *notifier)
1752 {
1753 notifier_list_add(&wakeup_notifiers, notifier);
1754 }
1755
1756 void qemu_system_killed(int signal, pid_t pid)
1757 {
1758 shutdown_signal = signal;
1759 shutdown_pid = pid;
1760 no_shutdown = 0;
1761
1762 /* Cannot call qemu_system_shutdown_request directly because
1763 * we are in a signal handler.
1764 */
1765 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1766 qemu_notify_event();
1767 }
1768
1769 void qemu_system_shutdown_request(ShutdownCause reason)
1770 {
1771 trace_qemu_system_shutdown_request(reason);
1772 replay_shutdown_request(reason);
1773 shutdown_requested = reason;
1774 qemu_notify_event();
1775 }
1776
1777 static void qemu_system_powerdown(void)
1778 {
1779 qapi_event_send_powerdown(&error_abort);
1780 notifier_list_notify(&powerdown_notifiers, NULL);
1781 }
1782
1783 void qemu_system_powerdown_request(void)
1784 {
1785 trace_qemu_system_powerdown_request();
1786 powerdown_requested = 1;
1787 qemu_notify_event();
1788 }
1789
1790 void qemu_register_powerdown_notifier(Notifier *notifier)
1791 {
1792 notifier_list_add(&powerdown_notifiers, notifier);
1793 }
1794
1795 void qemu_system_debug_request(void)
1796 {
1797 debug_requested = 1;
1798 qemu_notify_event();
1799 }
1800
1801 static bool main_loop_should_exit(void)
1802 {
1803 RunState r;
1804 ShutdownCause request;
1805
1806 if (preconfig_exit_requested) {
1807 if (runstate_check(RUN_STATE_PRECONFIG)) {
1808 runstate_set(RUN_STATE_PRELAUNCH);
1809 }
1810 preconfig_exit_requested = false;
1811 return true;
1812 }
1813 if (qemu_debug_requested()) {
1814 vm_stop(RUN_STATE_DEBUG);
1815 }
1816 if (qemu_suspend_requested()) {
1817 qemu_system_suspend();
1818 }
1819 request = qemu_shutdown_requested();
1820 if (request) {
1821 qemu_kill_report();
1822 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1823 &error_abort);
1824 if (no_shutdown) {
1825 vm_stop(RUN_STATE_SHUTDOWN);
1826 } else {
1827 return true;
1828 }
1829 }
1830 request = qemu_reset_requested();
1831 if (request) {
1832 pause_all_vcpus();
1833 qemu_system_reset(request);
1834 resume_all_vcpus();
1835 if (!runstate_check(RUN_STATE_RUNNING) &&
1836 !runstate_check(RUN_STATE_INMIGRATE)) {
1837 runstate_set(RUN_STATE_PRELAUNCH);
1838 }
1839 }
1840 if (qemu_wakeup_requested()) {
1841 pause_all_vcpus();
1842 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1843 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1844 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1845 resume_all_vcpus();
1846 qapi_event_send_wakeup(&error_abort);
1847 }
1848 if (qemu_powerdown_requested()) {
1849 qemu_system_powerdown();
1850 }
1851 if (qemu_vmstop_requested(&r)) {
1852 vm_stop(r);
1853 }
1854 return false;
1855 }
1856
1857 static void main_loop(void)
1858 {
1859 #ifdef CONFIG_PROFILER
1860 int64_t ti;
1861 #endif
1862 while (!main_loop_should_exit()) {
1863 #ifdef CONFIG_PROFILER
1864 ti = profile_getclock();
1865 #endif
1866 main_loop_wait(false);
1867 #ifdef CONFIG_PROFILER
1868 dev_time += profile_getclock() - ti;
1869 #endif
1870 }
1871 }
1872
1873 static void version(void)
1874 {
1875 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1876 QEMU_COPYRIGHT "\n");
1877 }
1878
1879 static void help(int exitcode)
1880 {
1881 version();
1882 printf("usage: %s [options] [disk_image]\n\n"
1883 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1884 error_get_progname());
1885
1886 #define QEMU_OPTIONS_GENERATE_HELP
1887 #include "qemu-options-wrapper.h"
1888
1889 printf("\nDuring emulation, the following keys are useful:\n"
1890 "ctrl-alt-f toggle full screen\n"
1891 "ctrl-alt-n switch to virtual console 'n'\n"
1892 "ctrl-alt toggle mouse and keyboard grab\n"
1893 "\n"
1894 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1895 "\n"
1896 QEMU_HELP_BOTTOM "\n");
1897
1898 exit(exitcode);
1899 }
1900
1901 #define HAS_ARG 0x0001
1902
1903 typedef struct QEMUOption {
1904 const char *name;
1905 int flags;
1906 int index;
1907 uint32_t arch_mask;
1908 } QEMUOption;
1909
1910 static const QEMUOption qemu_options[] = {
1911 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1912 #define QEMU_OPTIONS_GENERATE_OPTIONS
1913 #include "qemu-options-wrapper.h"
1914 { NULL },
1915 };
1916
1917 typedef struct VGAInterfaceInfo {
1918 const char *opt_name; /* option name */
1919 const char *name; /* human-readable name */
1920 /* Class names indicating that support is available.
1921 * If no class is specified, the interface is always available */
1922 const char *class_names[2];
1923 } VGAInterfaceInfo;
1924
1925 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1926 [VGA_NONE] = {
1927 .opt_name = "none",
1928 },
1929 [VGA_STD] = {
1930 .opt_name = "std",
1931 .name = "standard VGA",
1932 .class_names = { "VGA", "isa-vga" },
1933 },
1934 [VGA_CIRRUS] = {
1935 .opt_name = "cirrus",
1936 .name = "Cirrus VGA",
1937 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1938 },
1939 [VGA_VMWARE] = {
1940 .opt_name = "vmware",
1941 .name = "VMWare SVGA",
1942 .class_names = { "vmware-svga" },
1943 },
1944 [VGA_VIRTIO] = {
1945 .opt_name = "virtio",
1946 .name = "Virtio VGA",
1947 .class_names = { "virtio-vga" },
1948 },
1949 [VGA_QXL] = {
1950 .opt_name = "qxl",
1951 .name = "QXL VGA",
1952 .class_names = { "qxl-vga" },
1953 },
1954 [VGA_TCX] = {
1955 .opt_name = "tcx",
1956 .name = "TCX framebuffer",
1957 .class_names = { "SUNW,tcx" },
1958 },
1959 [VGA_CG3] = {
1960 .opt_name = "cg3",
1961 .name = "CG3 framebuffer",
1962 .class_names = { "cgthree" },
1963 },
1964 [VGA_XENFB] = {
1965 .opt_name = "xenfb",
1966 },
1967 };
1968
1969 static bool vga_interface_available(VGAInterfaceType t)
1970 {
1971 VGAInterfaceInfo *ti = &vga_interfaces[t];
1972
1973 assert(t < VGA_TYPE_MAX);
1974 return !ti->class_names[0] ||
1975 object_class_by_name(ti->class_names[0]) ||
1976 object_class_by_name(ti->class_names[1]);
1977 }
1978
1979 static void select_vgahw(const char *p)
1980 {
1981 const char *opts;
1982 int t;
1983
1984 assert(vga_interface_type == VGA_NONE);
1985 for (t = 0; t < VGA_TYPE_MAX; t++) {
1986 VGAInterfaceInfo *ti = &vga_interfaces[t];
1987 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1988 if (!vga_interface_available(t)) {
1989 error_report("%s not available", ti->name);
1990 exit(1);
1991 }
1992 vga_interface_type = t;
1993 break;
1994 }
1995 }
1996 if (t == VGA_TYPE_MAX) {
1997 invalid_vga:
1998 error_report("unknown vga type: %s", p);
1999 exit(1);
2000 }
2001 while (*opts) {
2002 const char *nextopt;
2003
2004 if (strstart(opts, ",retrace=", &nextopt)) {
2005 opts = nextopt;
2006 if (strstart(opts, "dumb", &nextopt))
2007 vga_retrace_method = VGA_RETRACE_DUMB;
2008 else if (strstart(opts, "precise", &nextopt))
2009 vga_retrace_method = VGA_RETRACE_PRECISE;
2010 else goto invalid_vga;
2011 } else goto invalid_vga;
2012 opts = nextopt;
2013 }
2014 }
2015
2016 static void parse_display_qapi(const char *optarg)
2017 {
2018 Error *err = NULL;
2019 DisplayOptions *opts;
2020 Visitor *v;
2021
2022 v = qobject_input_visitor_new_str(optarg, "type", &err);
2023 if (!v) {
2024 error_report_err(err);
2025 exit(1);
2026 }
2027
2028 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2029 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2030
2031 qapi_free_DisplayOptions(opts);
2032 visit_free(v);
2033 }
2034
2035 static void parse_display(const char *p)
2036 {
2037 const char *opts;
2038
2039 if (strstart(p, "sdl", &opts)) {
2040 /*
2041 * sdl DisplayType needs hand-crafted parser instead of
2042 * parse_display_qapi() due to some options not in
2043 * DisplayOptions, specifically:
2044 * - frame
2045 * Already deprecated.
2046 * - ctrl_grab + alt_grab
2047 * Not clear yet what happens to them long-term. Should
2048 * replaced by something better or deprecated and dropped.
2049 */
2050 dpy.type = DISPLAY_TYPE_SDL;
2051 while (*opts) {
2052 const char *nextopt;
2053
2054 if (strstart(opts, ",frame=", &nextopt)) {
2055 g_printerr("The frame= sdl option is deprecated, and will be\n"
2056 "removed in a future release.\n");
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 no_frame = 0;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 no_frame = 1;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2066 opts = nextopt;
2067 if (strstart(opts, "on", &nextopt)) {
2068 alt_grab = 1;
2069 } else if (strstart(opts, "off", &nextopt)) {
2070 alt_grab = 0;
2071 } else {
2072 goto invalid_sdl_args;
2073 }
2074 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2075 opts = nextopt;
2076 if (strstart(opts, "on", &nextopt)) {
2077 ctrl_grab = 1;
2078 } else if (strstart(opts, "off", &nextopt)) {
2079 ctrl_grab = 0;
2080 } else {
2081 goto invalid_sdl_args;
2082 }
2083 } else if (strstart(opts, ",window_close=", &nextopt)) {
2084 opts = nextopt;
2085 dpy.has_window_close = true;
2086 if (strstart(opts, "on", &nextopt)) {
2087 dpy.window_close = true;
2088 } else if (strstart(opts, "off", &nextopt)) {
2089 dpy.window_close = false;
2090 } else {
2091 goto invalid_sdl_args;
2092 }
2093 } else if (strstart(opts, ",gl=", &nextopt)) {
2094 opts = nextopt;
2095 dpy.has_gl = true;
2096 if (strstart(opts, "on", &nextopt)) {
2097 dpy.gl = DISPLAYGL_MODE_ON;
2098 } else if (strstart(opts, "core", &nextopt)) {
2099 dpy.gl = DISPLAYGL_MODE_CORE;
2100 } else if (strstart(opts, "es", &nextopt)) {
2101 dpy.gl = DISPLAYGL_MODE_ES;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 dpy.gl = DISPLAYGL_MODE_OFF;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else {
2108 invalid_sdl_args:
2109 error_report("invalid SDL option string");
2110 exit(1);
2111 }
2112 opts = nextopt;
2113 }
2114 } else if (strstart(p, "vnc", &opts)) {
2115 /*
2116 * vnc isn't a (local) DisplayType but a protocol for remote
2117 * display access.
2118 */
2119 if (*opts == '=') {
2120 vnc_parse(opts + 1, &error_fatal);
2121 } else {
2122 error_report("VNC requires a display argument vnc=<display>");
2123 exit(1);
2124 }
2125 } else {
2126 parse_display_qapi(p);
2127 }
2128 }
2129
2130 static int balloon_parse(const char *arg)
2131 {
2132 QemuOpts *opts;
2133
2134 warn_report("This option is deprecated. "
2135 "Use '--device virtio-balloon' to enable the balloon device.");
2136
2137 if (strcmp(arg, "none") == 0) {
2138 return 0;
2139 }
2140
2141 if (!strncmp(arg, "virtio", 6)) {
2142 if (arg[6] == ',') {
2143 /* have params -> parse them */
2144 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2145 false);
2146 if (!opts)
2147 return -1;
2148 } else {
2149 /* create empty opts */
2150 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2151 &error_abort);
2152 }
2153 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2154 return 0;
2155 }
2156
2157 return -1;
2158 }
2159
2160 char *qemu_find_file(int type, const char *name)
2161 {
2162 int i;
2163 const char *subdir;
2164 char *buf;
2165
2166 /* Try the name as a straight path first */
2167 if (access(name, R_OK) == 0) {
2168 trace_load_file(name, name);
2169 return g_strdup(name);
2170 }
2171
2172 switch (type) {
2173 case QEMU_FILE_TYPE_BIOS:
2174 subdir = "";
2175 break;
2176 case QEMU_FILE_TYPE_KEYMAP:
2177 subdir = "keymaps/";
2178 break;
2179 default:
2180 abort();
2181 }
2182
2183 for (i = 0; i < data_dir_idx; i++) {
2184 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2185 if (access(buf, R_OK) == 0) {
2186 trace_load_file(name, buf);
2187 return buf;
2188 }
2189 g_free(buf);
2190 }
2191 return NULL;
2192 }
2193
2194 static void qemu_add_data_dir(const char *path)
2195 {
2196 int i;
2197
2198 if (path == NULL) {
2199 return;
2200 }
2201 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2202 return;
2203 }
2204 for (i = 0; i < data_dir_idx; i++) {
2205 if (strcmp(data_dir[i], path) == 0) {
2206 return; /* duplicate */
2207 }
2208 }
2209 data_dir[data_dir_idx++] = g_strdup(path);
2210 }
2211
2212 static inline bool nonempty_str(const char *str)
2213 {
2214 return str && *str;
2215 }
2216
2217 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2218 {
2219 gchar *buf;
2220 size_t size;
2221 const char *name, *file, *str;
2222 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2223
2224 if (fw_cfg == NULL) {
2225 error_report("fw_cfg device not available");
2226 return -1;
2227 }
2228 name = qemu_opt_get(opts, "name");
2229 file = qemu_opt_get(opts, "file");
2230 str = qemu_opt_get(opts, "string");
2231
2232 /* we need name and either a file or the content string */
2233 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2234 error_report("invalid argument(s)");
2235 return -1;
2236 }
2237 if (nonempty_str(file) && nonempty_str(str)) {
2238 error_report("file and string are mutually exclusive");
2239 return -1;
2240 }
2241 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2242 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2243 return -1;
2244 }
2245 if (strncmp(name, "opt/", 4) != 0) {
2246 warn_report("externally provided fw_cfg item names "
2247 "should be prefixed with \"opt/\"");
2248 }
2249 if (nonempty_str(str)) {
2250 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2251 buf = g_memdup(str, size);
2252 } else {
2253 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2254 error_report("can't load %s", file);
2255 return -1;
2256 }
2257 }
2258 /* For legacy, keep user files in a specific global order. */
2259 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2260 fw_cfg_add_file(fw_cfg, name, buf, size);
2261 fw_cfg_reset_order_override(fw_cfg);
2262 return 0;
2263 }
2264
2265 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2266 {
2267 return qdev_device_help(opts);
2268 }
2269
2270 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2271 {
2272 Error *err = NULL;
2273 DeviceState *dev;
2274
2275 dev = qdev_device_add(opts, &err);
2276 if (!dev) {
2277 error_report_err(err);
2278 return -1;
2279 }
2280 object_unref(OBJECT(dev));
2281 return 0;
2282 }
2283
2284 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2285 {
2286 Error *local_err = NULL;
2287
2288 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2289 if (local_err) {
2290 error_report_err(local_err);
2291 return -1;
2292 }
2293 exit(0);
2294 }
2295 return 0;
2296 }
2297
2298 #ifdef CONFIG_VIRTFS
2299 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2300 {
2301 return qemu_fsdev_add(opts);
2302 }
2303 #endif
2304
2305 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2306 {
2307 Chardev *chr;
2308 const char *chardev;
2309 const char *mode;
2310 int flags;
2311
2312 mode = qemu_opt_get(opts, "mode");
2313 if (mode == NULL) {
2314 mode = "readline";
2315 }
2316 if (strcmp(mode, "readline") == 0) {
2317 flags = MONITOR_USE_READLINE;
2318 } else if (strcmp(mode, "control") == 0) {
2319 flags = MONITOR_USE_CONTROL;
2320 } else {
2321 error_report("unknown monitor mode \"%s\"", mode);
2322 exit(1);
2323 }
2324
2325 if (qemu_opt_get_bool(opts, "pretty", 0))
2326 flags |= MONITOR_USE_PRETTY;
2327
2328 /* OOB is off by default */
2329 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2330 flags |= MONITOR_USE_OOB;
2331 }
2332
2333 chardev = qemu_opt_get(opts, "chardev");
2334 chr = qemu_chr_find(chardev);
2335 if (chr == NULL) {
2336 error_report("chardev \"%s\" not found", chardev);
2337 exit(1);
2338 }
2339
2340 monitor_init(chr, flags);
2341 return 0;
2342 }
2343
2344 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2345 {
2346 static int monitor_device_index = 0;
2347 QemuOpts *opts;
2348 const char *p;
2349 char label[32];
2350
2351 if (strstart(optarg, "chardev:", &p)) {
2352 snprintf(label, sizeof(label), "%s", p);
2353 } else {
2354 snprintf(label, sizeof(label), "compat_monitor%d",
2355 monitor_device_index);
2356 opts = qemu_chr_parse_compat(label, optarg);
2357 if (!opts) {
2358 error_report("parse error: %s", optarg);
2359 exit(1);
2360 }
2361 }
2362
2363 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2364 qemu_opt_set(opts, "mode", mode, &error_abort);
2365 qemu_opt_set(opts, "chardev", label, &error_abort);
2366 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2367 monitor_device_index++;
2368 }
2369
2370 struct device_config {
2371 enum {
2372 DEV_USB, /* -usbdevice */
2373 DEV_BT, /* -bt */
2374 DEV_SERIAL, /* -serial */
2375 DEV_PARALLEL, /* -parallel */
2376 DEV_VIRTCON, /* -virtioconsole */
2377 DEV_DEBUGCON, /* -debugcon */
2378 DEV_GDB, /* -gdb, -s */
2379 DEV_SCLP, /* s390 sclp */
2380 } type;
2381 const char *cmdline;
2382 Location loc;
2383 QTAILQ_ENTRY(device_config) next;
2384 };
2385
2386 static QTAILQ_HEAD(, device_config) device_configs =
2387 QTAILQ_HEAD_INITIALIZER(device_configs);
2388
2389 static void add_device_config(int type, const char *cmdline)
2390 {
2391 struct device_config *conf;
2392
2393 conf = g_malloc0(sizeof(*conf));
2394 conf->type = type;
2395 conf->cmdline = cmdline;
2396 loc_save(&conf->loc);
2397 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2398 }
2399
2400 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2401 {
2402 struct device_config *conf;
2403 int rc;
2404
2405 QTAILQ_FOREACH(conf, &device_configs, next) {
2406 if (conf->type != type)
2407 continue;
2408 loc_push_restore(&conf->loc);
2409 rc = func(conf->cmdline);
2410 loc_pop(&conf->loc);
2411 if (rc) {
2412 return rc;
2413 }
2414 }
2415 return 0;
2416 }
2417
2418 static int serial_parse(const char *devname)
2419 {
2420 int index = num_serial_hds;
2421 char label[32];
2422
2423 if (strcmp(devname, "none") == 0)
2424 return 0;
2425 snprintf(label, sizeof(label), "serial%d", index);
2426 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2427
2428 serial_hds[index] = qemu_chr_new(label, devname);
2429 if (!serial_hds[index]) {
2430 error_report("could not connect serial device"
2431 " to character backend '%s'", devname);
2432 return -1;
2433 }
2434 num_serial_hds++;
2435 return 0;
2436 }
2437
2438 Chardev *serial_hd(int i)
2439 {
2440 assert(i >= 0);
2441 if (i < num_serial_hds) {
2442 return serial_hds[i];
2443 }
2444 return NULL;
2445 }
2446
2447 int serial_max_hds(void)
2448 {
2449 return num_serial_hds;
2450 }
2451
2452 static int parallel_parse(const char *devname)
2453 {
2454 static int index = 0;
2455 char label[32];
2456
2457 if (strcmp(devname, "none") == 0)
2458 return 0;
2459 if (index == MAX_PARALLEL_PORTS) {
2460 error_report("too many parallel ports");
2461 exit(1);
2462 }
2463 snprintf(label, sizeof(label), "parallel%d", index);
2464 parallel_hds[index] = qemu_chr_new(label, devname);
2465 if (!parallel_hds[index]) {
2466 error_report("could not connect parallel device"
2467 " to character backend '%s'", devname);
2468 return -1;
2469 }
2470 index++;
2471 return 0;
2472 }
2473
2474 static int virtcon_parse(const char *devname)
2475 {
2476 QemuOptsList *device = qemu_find_opts("device");
2477 static int index = 0;
2478 char label[32];
2479 QemuOpts *bus_opts, *dev_opts;
2480
2481 if (strcmp(devname, "none") == 0)
2482 return 0;
2483 if (index == MAX_VIRTIO_CONSOLES) {
2484 error_report("too many virtio consoles");
2485 exit(1);
2486 }
2487
2488 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2489 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2490
2491 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2492 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2493
2494 snprintf(label, sizeof(label), "virtcon%d", index);
2495 virtcon_hds[index] = qemu_chr_new(label, devname);
2496 if (!virtcon_hds[index]) {
2497 error_report("could not connect virtio console"
2498 " to character backend '%s'", devname);
2499 return -1;
2500 }
2501 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2502
2503 index++;
2504 return 0;
2505 }
2506
2507 static int debugcon_parse(const char *devname)
2508 {
2509 QemuOpts *opts;
2510
2511 if (!qemu_chr_new("debugcon", devname)) {
2512 exit(1);
2513 }
2514 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2515 if (!opts) {
2516 error_report("already have a debugcon device");
2517 exit(1);
2518 }
2519 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2520 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2521 return 0;
2522 }
2523
2524 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2525 {
2526 const MachineClass *mc1 = a, *mc2 = b;
2527 int res;
2528
2529 if (mc1->family == NULL) {
2530 if (mc2->family == NULL) {
2531 /* Compare standalone machine types against each other; they sort
2532 * in increasing order.
2533 */
2534 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2535 object_class_get_name(OBJECT_CLASS(mc2)));
2536 }
2537
2538 /* Standalone machine types sort after families. */
2539 return 1;
2540 }
2541
2542 if (mc2->family == NULL) {
2543 /* Families sort before standalone machine types. */
2544 return -1;
2545 }
2546
2547 /* Families sort between each other alphabetically increasingly. */
2548 res = strcmp(mc1->family, mc2->family);
2549 if (res != 0) {
2550 return res;
2551 }
2552
2553 /* Within the same family, machine types sort in decreasing order. */
2554 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2555 object_class_get_name(OBJECT_CLASS(mc1)));
2556 }
2557
2558 static MachineClass *machine_parse(const char *name)
2559 {
2560 MachineClass *mc = NULL;
2561 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2562
2563 if (name) {
2564 mc = find_machine(name);
2565 }
2566 if (mc) {
2567 g_slist_free(machines);
2568 return mc;
2569 }
2570 if (name && !is_help_option(name)) {
2571 error_report("unsupported machine type");
2572 error_printf("Use -machine help to list supported machines\n");
2573 } else {
2574 printf("Supported machines are:\n");
2575 machines = g_slist_sort(machines, machine_class_cmp);
2576 for (el = machines; el; el = el->next) {
2577 MachineClass *mc = el->data;
2578 if (mc->alias) {
2579 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2580 }
2581 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2582 mc->is_default ? " (default)" : "",
2583 mc->deprecation_reason ? " (deprecated)" : "");
2584 }
2585 }
2586
2587 g_slist_free(machines);
2588 exit(!name || !is_help_option(name));
2589 }
2590
2591 void qemu_add_exit_notifier(Notifier *notify)
2592 {
2593 notifier_list_add(&exit_notifiers, notify);
2594 }
2595
2596 void qemu_remove_exit_notifier(Notifier *notify)
2597 {
2598 notifier_remove(notify);
2599 }
2600
2601 static void qemu_run_exit_notifiers(void)
2602 {
2603 notifier_list_notify(&exit_notifiers, NULL);
2604 }
2605
2606 bool machine_init_done;
2607
2608 void qemu_add_machine_init_done_notifier(Notifier *notify)
2609 {
2610 notifier_list_add(&machine_init_done_notifiers, notify);
2611 if (machine_init_done) {
2612 notify->notify(notify, NULL);
2613 }
2614 }
2615
2616 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2617 {
2618 notifier_remove(notify);
2619 }
2620
2621 static void qemu_run_machine_init_done_notifiers(void)
2622 {
2623 machine_init_done = true;
2624 notifier_list_notify(&machine_init_done_notifiers, NULL);
2625 }
2626
2627 static const QEMUOption *lookup_opt(int argc, char **argv,
2628 const char **poptarg, int *poptind)
2629 {
2630 const QEMUOption *popt;
2631 int optind = *poptind;
2632 char *r = argv[optind];
2633 const char *optarg;
2634
2635 loc_set_cmdline(argv, optind, 1);
2636 optind++;
2637 /* Treat --foo the same as -foo. */
2638 if (r[1] == '-')
2639 r++;
2640 popt = qemu_options;
2641 for(;;) {
2642 if (!popt->name) {
2643 error_report("invalid option");
2644 exit(1);
2645 }
2646 if (!strcmp(popt->name, r + 1))
2647 break;
2648 popt++;
2649 }
2650 if (popt->flags & HAS_ARG) {
2651 if (optind >= argc) {
2652 error_report("requires an argument");
2653 exit(1);
2654 }
2655 optarg = argv[optind++];
2656 loc_set_cmdline(argv, optind - 2, 2);
2657 } else {
2658 optarg = NULL;
2659 }
2660
2661 *poptarg = optarg;
2662 *poptind = optind;
2663
2664 return popt;
2665 }
2666
2667 static MachineClass *select_machine(void)
2668 {
2669 MachineClass *machine_class = find_default_machine();
2670 const char *optarg;
2671 QemuOpts *opts;
2672 Location loc;
2673
2674 loc_push_none(&loc);
2675
2676 opts = qemu_get_machine_opts();
2677 qemu_opts_loc_restore(opts);
2678
2679 optarg = qemu_opt_get(opts, "type");
2680 if (optarg) {
2681 machine_class = machine_parse(optarg);
2682 }
2683
2684 if (!machine_class) {
2685 error_report("No machine specified, and there is no default");
2686 error_printf("Use -machine help to list supported machines\n");
2687 exit(1);
2688 }
2689
2690 loc_pop(&loc);
2691 return machine_class;
2692 }
2693
2694 static int machine_set_property(void *opaque,
2695 const char *name, const char *value,
2696 Error **errp)
2697 {
2698 Object *obj = OBJECT(opaque);
2699 Error *local_err = NULL;
2700 char *p, *qom_name;
2701
2702 if (strcmp(name, "type") == 0) {
2703 return 0;
2704 }
2705
2706 qom_name = g_strdup(name);
2707 for (p = qom_name; *p; p++) {
2708 if (*p == '_') {
2709 *p = '-';
2710 }
2711 }
2712
2713 object_property_parse(obj, value, qom_name, &local_err);
2714 g_free(qom_name);
2715
2716 if (local_err) {
2717 error_report_err(local_err);
2718 return -1;
2719 }
2720
2721 return 0;
2722 }
2723
2724
2725 /*
2726 * Initial object creation happens before all other
2727 * QEMU data types are created. The majority of objects
2728 * can be created at this point. The rng-egd object
2729 * cannot be created here, as it depends on the chardev
2730 * already existing.
2731 */
2732 static bool object_create_initial(const char *type)
2733 {
2734 if (g_str_equal(type, "rng-egd") ||
2735 g_str_has_prefix(type, "pr-manager-")) {
2736 return false;
2737 }
2738
2739 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2740 if (g_str_equal(type, "cryptodev-vhost-user")) {
2741 return false;
2742 }
2743 #endif
2744
2745 /*
2746 * return false for concrete netfilters since
2747 * they depend on netdevs already existing
2748 */
2749 if (g_str_equal(type, "filter-buffer") ||
2750 g_str_equal(type, "filter-dump") ||
2751 g_str_equal(type, "filter-mirror") ||
2752 g_str_equal(type, "filter-redirector") ||
2753 g_str_equal(type, "colo-compare") ||
2754 g_str_equal(type, "filter-rewriter") ||
2755 g_str_equal(type, "filter-replay")) {
2756 return false;
2757 }
2758
2759 /* Memory allocation by backends needs to be done
2760 * after configure_accelerator() (due to the tcg_enabled()
2761 * checks at memory_region_init_*()).
2762 *
2763 * Also, allocation of large amounts of memory may delay
2764 * chardev initialization for too long, and trigger timeouts
2765 * on software that waits for a monitor socket to be created
2766 * (e.g. libvirt).
2767 */
2768 if (g_str_has_prefix(type, "memory-backend-")) {
2769 return false;
2770 }
2771
2772 return true;
2773 }
2774
2775
2776 /*
2777 * The remainder of object creation happens after the
2778 * creation of chardev, fsdev, net clients and device data types.
2779 */
2780 static bool object_create_delayed(const char *type)
2781 {
2782 return !object_create_initial(type);
2783 }
2784
2785
2786 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2787 MachineClass *mc)
2788 {
2789 uint64_t sz;
2790 const char *mem_str;
2791 const ram_addr_t default_ram_size = mc->default_ram_size;
2792 QemuOpts *opts = qemu_find_opts_singleton("memory");
2793 Location loc;
2794
2795 loc_push_none(&loc);
2796 qemu_opts_loc_restore(opts);
2797
2798 sz = 0;
2799 mem_str = qemu_opt_get(opts, "size");
2800 if (mem_str) {
2801 if (!*mem_str) {
2802 error_report("missing 'size' option value");
2803 exit(EXIT_FAILURE);
2804 }
2805
2806 sz = qemu_opt_get_size(opts, "size", ram_size);
2807
2808 /* Fix up legacy suffix-less format */
2809 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2810 uint64_t overflow_check = sz;
2811
2812 sz *= MiB;
2813 if (sz / MiB != overflow_check) {
2814 error_report("too large 'size' option value");
2815 exit(EXIT_FAILURE);
2816 }
2817 }
2818 }
2819
2820 /* backward compatibility behaviour for case "-m 0" */
2821 if (sz == 0) {
2822 sz = default_ram_size;
2823 }
2824
2825 sz = QEMU_ALIGN_UP(sz, 8192);
2826 ram_size = sz;
2827 if (ram_size != sz) {
2828 error_report("ram size too large");
2829 exit(EXIT_FAILURE);
2830 }
2831
2832 /* store value for the future use */
2833 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2834 *maxram_size = ram_size;
2835
2836 if (qemu_opt_get(opts, "maxmem")) {
2837 uint64_t slots;
2838
2839 sz = qemu_opt_get_size(opts, "maxmem", 0);
2840 slots = qemu_opt_get_number(opts, "slots", 0);
2841 if (sz < ram_size) {
2842 error_report("invalid value of -m option maxmem: "
2843 "maximum memory size (0x%" PRIx64 ") must be at least "
2844 "the initial memory size (0x" RAM_ADDR_FMT ")",
2845 sz, ram_size);
2846 exit(EXIT_FAILURE);
2847 } else if (slots && sz == ram_size) {
2848 error_report("invalid value of -m option maxmem: "
2849 "memory slots were specified but maximum memory size "
2850 "(0x%" PRIx64 ") is equal to the initial memory size "
2851 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2852 exit(EXIT_FAILURE);
2853 }
2854
2855 *maxram_size = sz;
2856 *ram_slots = slots;
2857 } else if (qemu_opt_get(opts, "slots")) {
2858 error_report("invalid -m option value: missing 'maxmem' option");
2859 exit(EXIT_FAILURE);
2860 }
2861
2862 loc_pop(&loc);
2863 }
2864
2865 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2866 {
2867 GlobalProperty *g;
2868
2869 g = g_malloc0(sizeof(*g));
2870 g->driver = qemu_opt_get(opts, "driver");
2871 g->property = qemu_opt_get(opts, "property");
2872 g->value = qemu_opt_get(opts, "value");
2873 g->user_provided = true;
2874 g->errp = &error_fatal;
2875 qdev_prop_register_global(g);
2876 return 0;
2877 }
2878
2879 static int qemu_read_default_config_file(void)
2880 {
2881 int ret;
2882
2883 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2884 if (ret < 0 && ret != -ENOENT) {
2885 return ret;
2886 }
2887
2888 return 0;
2889 }
2890
2891 static void user_register_global_props(void)
2892 {
2893 qemu_opts_foreach(qemu_find_opts("global"),
2894 global_init_func, NULL, NULL);
2895 }
2896
2897 /*
2898 * Note: we should see that these properties are actually having a
2899 * priority: accel < machine < user. This means e.g. when user
2900 * specifies something in "-global", it'll always be used with highest
2901 * priority than either machine/accelerator compat properties.
2902 */
2903 static void register_global_properties(MachineState *ms)
2904 {
2905 accel_register_compat_props(ms->accelerator);
2906 machine_register_compat_props(ms);
2907 user_register_global_props();
2908 }
2909
2910 int main(int argc, char **argv, char **envp)
2911 {
2912 int i;
2913 int snapshot, linux_boot;
2914 const char *initrd_filename;
2915 const char *kernel_filename, *kernel_cmdline;
2916 const char *boot_order = NULL;
2917 const char *boot_once = NULL;
2918 DisplayState *ds;
2919 QemuOpts *opts, *machine_opts;
2920 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2921 QemuOptsList *olist;
2922 int optind;
2923 const char *optarg;
2924 const char *loadvm = NULL;
2925 MachineClass *machine_class;
2926 const char *cpu_model;
2927 const char *vga_model = NULL;
2928 const char *qtest_chrdev = NULL;
2929 const char *qtest_log = NULL;
2930 const char *pid_file = NULL;
2931 const char *incoming = NULL;
2932 bool userconfig = true;
2933 bool nographic = false;
2934 int display_remote = 0;
2935 const char *log_mask = NULL;
2936 const char *log_file = NULL;
2937 char *trace_file = NULL;
2938 ram_addr_t maxram_size;
2939 uint64_t ram_slots = 0;
2940 FILE *vmstate_dump_file = NULL;
2941 Error *main_loop_err = NULL;
2942 Error *err = NULL;
2943 bool list_data_dirs = false;
2944 char *dir, **dirs;
2945 typedef struct BlockdevOptions_queue {
2946 BlockdevOptions *bdo;
2947 Location loc;
2948 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2949 } BlockdevOptions_queue;
2950 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2951 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2952
2953 module_call_init(MODULE_INIT_TRACE);
2954
2955 qemu_init_cpu_list();
2956 qemu_init_cpu_loop();
2957
2958 qemu_mutex_lock_iothread();
2959
2960 atexit(qemu_run_exit_notifiers);
2961 error_set_progname(argv[0]);
2962 qemu_init_exec_dir(argv[0]);
2963
2964 module_call_init(MODULE_INIT_QOM);
2965
2966 qemu_add_opts(&qemu_drive_opts);
2967 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2968 qemu_add_drive_opts(&qemu_common_drive_opts);
2969 qemu_add_drive_opts(&qemu_drive_opts);
2970 qemu_add_drive_opts(&bdrv_runtime_opts);
2971 qemu_add_opts(&qemu_chardev_opts);
2972 qemu_add_opts(&qemu_device_opts);
2973 qemu_add_opts(&qemu_netdev_opts);
2974 qemu_add_opts(&qemu_nic_opts);
2975 qemu_add_opts(&qemu_net_opts);
2976 qemu_add_opts(&qemu_rtc_opts);
2977 qemu_add_opts(&qemu_global_opts);
2978 qemu_add_opts(&qemu_mon_opts);
2979 qemu_add_opts(&qemu_trace_opts);
2980 qemu_add_opts(&qemu_option_rom_opts);
2981 qemu_add_opts(&qemu_machine_opts);
2982 qemu_add_opts(&qemu_accel_opts);
2983 qemu_add_opts(&qemu_mem_opts);
2984 qemu_add_opts(&qemu_smp_opts);
2985 qemu_add_opts(&qemu_boot_opts);
2986 qemu_add_opts(&qemu_add_fd_opts);
2987 qemu_add_opts(&qemu_object_opts);
2988 qemu_add_opts(&qemu_tpmdev_opts);
2989 qemu_add_opts(&qemu_realtime_opts);
2990 qemu_add_opts(&qemu_overcommit_opts);
2991 qemu_add_opts(&qemu_msg_opts);
2992 qemu_add_opts(&qemu_name_opts);
2993 qemu_add_opts(&qemu_numa_opts);
2994 qemu_add_opts(&qemu_icount_opts);
2995 qemu_add_opts(&qemu_semihosting_config_opts);
2996 qemu_add_opts(&qemu_fw_cfg_opts);
2997 module_call_init(MODULE_INIT_OPTS);
2998
2999 runstate_init();
3000 postcopy_infrastructure_init();
3001 monitor_init_globals();
3002
3003 if (qcrypto_init(&err) < 0) {
3004 error_reportf_err(err, "cannot initialize crypto: ");
3005 exit(1);
3006 }
3007 rtc_clock = QEMU_CLOCK_HOST;
3008
3009 QLIST_INIT (&vm_change_state_head);
3010 os_setup_early_signal_handling();
3011
3012 cpu_model = NULL;
3013 snapshot = 0;
3014
3015 nb_nics = 0;
3016
3017 bdrv_init_with_whitelist();
3018
3019 autostart = 1;
3020
3021 /* first pass of option parsing */
3022 optind = 1;
3023 while (optind < argc) {
3024 if (argv[optind][0] != '-') {
3025 /* disk image */
3026 optind++;
3027 } else {
3028 const QEMUOption *popt;
3029
3030 popt = lookup_opt(argc, argv, &optarg, &optind);
3031 switch (popt->index) {
3032 case QEMU_OPTION_nodefconfig:
3033 case QEMU_OPTION_nouserconfig:
3034 userconfig = false;
3035 break;
3036 }
3037 }
3038 }
3039
3040 if (userconfig) {
3041 if (qemu_read_default_config_file() < 0) {
3042 exit(1);
3043 }
3044 }
3045
3046 /* second pass of option parsing */
3047 optind = 1;
3048 for(;;) {
3049 if (optind >= argc)
3050 break;
3051 if (argv[optind][0] != '-') {
3052 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3053 } else {
3054 const QEMUOption *popt;
3055
3056 popt = lookup_opt(argc, argv, &optarg, &optind);
3057 if (!(popt->arch_mask & arch_type)) {
3058 error_report("Option not supported for this target");
3059 exit(1);
3060 }
3061 switch(popt->index) {
3062 case QEMU_OPTION_cpu:
3063 /* hw initialization will check this */
3064 cpu_model = optarg;
3065 break;
3066 case QEMU_OPTION_hda:
3067 case QEMU_OPTION_hdb:
3068 case QEMU_OPTION_hdc:
3069 case QEMU_OPTION_hdd:
3070 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3071 HD_OPTS);
3072 break;
3073 case QEMU_OPTION_blockdev:
3074 {
3075 Visitor *v;
3076 BlockdevOptions_queue *bdo;
3077
3078 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3079 if (!v) {
3080 error_report_err(err);
3081 exit(1);
3082 }
3083
3084 bdo = g_new(BlockdevOptions_queue, 1);
3085 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3086 &error_fatal);
3087 visit_free(v);
3088 loc_save(&bdo->loc);
3089 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3090 break;
3091 }
3092 case QEMU_OPTION_drive:
3093 if (drive_def(optarg) == NULL) {
3094 exit(1);
3095 }
3096 break;
3097 case QEMU_OPTION_set:
3098 if (qemu_set_option(optarg) != 0)
3099 exit(1);
3100 break;
3101 case QEMU_OPTION_global:
3102 if (qemu_global_option(optarg) != 0)
3103 exit(1);
3104 break;
3105 case QEMU_OPTION_mtdblock:
3106 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3107 break;
3108 case QEMU_OPTION_sd:
3109 drive_add(IF_SD, -1, optarg, SD_OPTS);
3110 break;
3111 case QEMU_OPTION_pflash:
3112 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3113 break;
3114 case QEMU_OPTION_snapshot:
3115 snapshot = 1;
3116 break;
3117 case QEMU_OPTION_numa:
3118 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3119 optarg, true);
3120 if (!opts) {
3121 exit(1);
3122 }
3123 break;
3124 case QEMU_OPTION_display:
3125 parse_display(optarg);
3126 break;
3127 case QEMU_OPTION_nographic:
3128 olist = qemu_find_opts("machine");
3129 qemu_opts_parse_noisily(olist, "graphics=off", false);
3130 nographic = true;
3131 dpy.type = DISPLAY_TYPE_NONE;
3132 break;
3133 case QEMU_OPTION_curses:
3134 #ifdef CONFIG_CURSES
3135 dpy.type = DISPLAY_TYPE_CURSES;
3136 #else
3137 error_report("curses support is disabled");
3138 exit(1);
3139 #endif
3140 break;
3141 case QEMU_OPTION_portrait:
3142 graphic_rotate = 90;
3143 break;
3144 case QEMU_OPTION_rotate:
3145 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3146 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3147 graphic_rotate != 180 && graphic_rotate != 270) {
3148 error_report("only 90, 180, 270 deg rotation is available");
3149 exit(1);
3150 }
3151 break;
3152 case QEMU_OPTION_kernel:
3153 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3154 &error_abort);
3155 break;
3156 case QEMU_OPTION_initrd:
3157 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3158 &error_abort);
3159 break;
3160 case QEMU_OPTION_append:
3161 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3162 &error_abort);
3163 break;
3164 case QEMU_OPTION_dtb:
3165 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3166 &error_abort);
3167 break;
3168 case QEMU_OPTION_cdrom:
3169 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3170 break;
3171 case QEMU_OPTION_boot:
3172 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3173 optarg, true);
3174 if (!opts) {
3175 exit(1);
3176 }
3177 break;
3178 case QEMU_OPTION_fda:
3179 case QEMU_OPTION_fdb:
3180 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3181 optarg, FD_OPTS);
3182 break;
3183 case QEMU_OPTION_no_fd_bootchk:
3184 fd_bootchk = 0;
3185 break;
3186 case QEMU_OPTION_netdev:
3187 default_net = 0;
3188 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3189 exit(1);
3190 }
3191 break;
3192 case QEMU_OPTION_nic:
3193 default_net = 0;
3194 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3195 exit(1);
3196 }
3197 break;
3198 case QEMU_OPTION_net:
3199 default_net = 0;
3200 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3201 exit(1);
3202 }
3203 break;
3204 #ifdef CONFIG_LIBISCSI
3205 case QEMU_OPTION_iscsi:
3206 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3207 optarg, false);
3208 if (!opts) {
3209 exit(1);
3210 }
3211 break;
3212 #endif
3213 #ifdef CONFIG_SLIRP
3214 case QEMU_OPTION_tftp:
3215 error_report("The -tftp option is deprecated. "
3216 "Please use '-netdev user,tftp=...' instead.");
3217 legacy_tftp_prefix = optarg;
3218 break;
3219 case QEMU_OPTION_bootp:
3220 error_report("The -bootp option is deprecated. "
3221 "Please use '-netdev user,bootfile=...' instead.");
3222 legacy_bootp_filename = optarg;
3223 break;
3224 case QEMU_OPTION_redir:
3225 error_report("The -redir option is deprecated. "
3226 "Please use '-netdev user,hostfwd=...' instead.");
3227 if (net_slirp_redir(optarg) < 0)
3228 exit(1);
3229 break;
3230 #endif
3231 case QEMU_OPTION_bt:
3232 add_device_config(DEV_BT, optarg);
3233 break;
3234 case QEMU_OPTION_audio_help:
3235 AUD_help ();
3236 exit (0);
3237 break;
3238 case QEMU_OPTION_soundhw:
3239 select_soundhw (optarg);
3240 break;
3241 case QEMU_OPTION_h:
3242 help(0);
3243 break;
3244 case QEMU_OPTION_version:
3245 version();
3246 exit(0);
3247 break;
3248 case QEMU_OPTION_m:
3249 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3250 optarg, true);
3251 if (!opts) {
3252 exit(EXIT_FAILURE);
3253 }
3254 break;
3255 #ifdef CONFIG_TPM
3256 case QEMU_OPTION_tpmdev:
3257 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3258 exit(1);
3259 }
3260 break;
3261 #endif
3262 case QEMU_OPTION_mempath:
3263 mem_path = optarg;
3264 break;
3265 case QEMU_OPTION_mem_prealloc:
3266 mem_prealloc = 1;
3267 break;
3268 case QEMU_OPTION_d:
3269 log_mask = optarg;
3270 break;
3271 case QEMU_OPTION_D:
3272 log_file = optarg;
3273 break;
3274 case QEMU_OPTION_DFILTER:
3275 qemu_set_dfilter_ranges(optarg, &error_fatal);
3276 break;
3277 case QEMU_OPTION_s:
3278 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3279 break;
3280 case QEMU_OPTION_gdb:
3281 add_device_config(DEV_GDB, optarg);
3282 break;
3283 case QEMU_OPTION_L:
3284 if (is_help_option(optarg)) {
3285 list_data_dirs = true;
3286 } else {
3287 qemu_add_data_dir(optarg);
3288 }
3289 break;
3290 case QEMU_OPTION_bios:
3291 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3292 &error_abort);
3293 break;
3294 case QEMU_OPTION_singlestep:
3295 singlestep = 1;
3296 break;
3297 case QEMU_OPTION_S:
3298 autostart = 0;
3299 break;
3300 case QEMU_OPTION_k:
3301 keyboard_layout = optarg;
3302 break;
3303 case QEMU_OPTION_localtime:
3304 rtc_utc = 0;
3305 warn_report("This option is deprecated, "
3306 "use '-rtc base=localtime' instead.");
3307 break;
3308 case QEMU_OPTION_vga:
3309 vga_model = optarg;
3310 default_vga = 0;
3311 break;
3312 case QEMU_OPTION_g:
3313 {
3314 const char *p;
3315 int w, h, depth;
3316 p = optarg;
3317 w = strtol(p, (char **)&p, 10);
3318 if (w <= 0) {
3319 graphic_error:
3320 error_report("invalid resolution or depth");
3321 exit(1);
3322 }
3323 if (*p != 'x')
3324 goto graphic_error;
3325 p++;
3326 h = strtol(p, (char **)&p, 10);
3327 if (h <= 0)
3328 goto graphic_error;
3329 if (*p == 'x') {
3330 p++;
3331 depth = strtol(p, (char **)&p, 10);
3332 if (depth != 8 && depth != 15 && depth != 16 &&
3333 depth != 24 && depth != 32)
3334 goto graphic_error;
3335 } else if (*p == '\0') {
3336 depth = graphic_depth;
3337 } else {
3338 goto graphic_error;
3339 }
3340
3341 graphic_width = w;
3342 graphic_height = h;
3343 graphic_depth = depth;
3344 }
3345 break;
3346 case QEMU_OPTION_echr:
3347 {
3348 char *r;
3349 term_escape_char = strtol(optarg, &r, 0);
3350 if (r == optarg)
3351 printf("Bad argument to echr\n");
3352 break;
3353 }
3354 case QEMU_OPTION_monitor:
3355 default_monitor = 0;
3356 if (strncmp(optarg, "none", 4)) {
3357 monitor_parse(optarg, "readline", false);
3358 }
3359 break;
3360 case QEMU_OPTION_qmp:
3361 monitor_parse(optarg, "control", false);
3362 default_monitor = 0;
3363 break;
3364 case QEMU_OPTION_qmp_pretty:
3365 monitor_parse(optarg, "control", true);
3366 default_monitor = 0;
3367 break;
3368 case QEMU_OPTION_mon:
3369 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3370 true);
3371 if (!opts) {
3372 exit(1);
3373 }
3374 default_monitor = 0;
3375 break;
3376 case QEMU_OPTION_chardev:
3377 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3378 optarg, true);
3379 if (!opts) {
3380 exit(1);
3381 }
3382 break;
3383 case QEMU_OPTION_fsdev:
3384 olist = qemu_find_opts("fsdev");
3385 if (!olist) {
3386 error_report("fsdev support is disabled");
3387 exit(1);
3388 }
3389 opts = qemu_opts_parse_noisily(olist, optarg, true);
3390 if (!opts) {
3391 exit(1);
3392 }
3393 break;
3394 case QEMU_OPTION_virtfs: {
3395 QemuOpts *fsdev;
3396 QemuOpts *device;
3397 const char *writeout, *sock_fd, *socket, *path, *security_model;
3398
3399 olist = qemu_find_opts("virtfs");
3400 if (!olist) {
3401 error_report("virtfs support is disabled");
3402 exit(1);
3403 }
3404 opts = qemu_opts_parse_noisily(olist, optarg, true);
3405 if (!opts) {
3406 exit(1);
3407 }
3408
3409 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3410 qemu_opt_get(opts, "mount_tag") == NULL) {
3411 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3412 exit(1);
3413 }
3414 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3415 qemu_opts_id(opts) ?:
3416 qemu_opt_get(opts, "mount_tag"),
3417 1, NULL);
3418 if (!fsdev) {
3419 error_report("duplicate or invalid fsdev id: %s",
3420 qemu_opt_get(opts, "mount_tag"));
3421 exit(1);
3422 }
3423
3424 writeout = qemu_opt_get(opts, "writeout");
3425 if (writeout) {
3426 #ifdef CONFIG_SYNC_FILE_RANGE
3427 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3428 #else
3429 error_report("writeout=immediate not supported "
3430 "on this platform");
3431 exit(1);
3432 #endif
3433 }
3434 qemu_opt_set(fsdev, "fsdriver",
3435 qemu_opt_get(opts, "fsdriver"), &error_abort);
3436 path = qemu_opt_get(opts, "path");
3437 if (path) {
3438 qemu_opt_set(fsdev, "path", path, &error_abort);
3439 }
3440 security_model = qemu_opt_get(opts, "security_model");
3441 if (security_model) {
3442 qemu_opt_set(fsdev, "security_model", security_model,
3443 &error_abort);
3444 }
3445 socket = qemu_opt_get(opts, "socket");
3446 if (socket) {
3447 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3448 }
3449 sock_fd = qemu_opt_get(opts, "sock_fd");
3450 if (sock_fd) {
3451 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3452 }
3453
3454 qemu_opt_set_bool(fsdev, "readonly",
3455 qemu_opt_get_bool(opts, "readonly", 0),
3456 &error_abort);
3457 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3458 &error_abort);
3459 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3460 qemu_opt_set(device, "fsdev",
3461 qemu_opts_id(fsdev), &error_abort);
3462 qemu_opt_set(device, "mount_tag",
3463 qemu_opt_get(opts, "mount_tag"), &error_abort);
3464 break;
3465 }
3466 case QEMU_OPTION_virtfs_synth: {
3467 QemuOpts *fsdev;
3468 QemuOpts *device;
3469
3470 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3471 1, NULL);
3472 if (!fsdev) {
3473 error_report("duplicate option: %s", "virtfs_synth");
3474 exit(1);
3475 }
3476 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3477
3478 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3479 &error_abort);
3480 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3481 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3482 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3483 break;
3484 }
3485 case QEMU_OPTION_serial:
3486 add_device_config(DEV_SERIAL, optarg);
3487 default_serial = 0;
3488 if (strncmp(optarg, "mon:", 4) == 0) {
3489 default_monitor = 0;
3490 }
3491 break;
3492 case QEMU_OPTION_watchdog:
3493 if (watchdog) {
3494 error_report("only one watchdog option may be given");
3495 return 1;
3496 }
3497 watchdog = optarg;
3498 break;
3499 case QEMU_OPTION_watchdog_action:
3500 if (select_watchdog_action(optarg) == -1) {
3501 error_report("unknown -watchdog-action parameter");
3502 exit(1);
3503 }
3504 break;
3505 case QEMU_OPTION_virtiocon:
3506 warn_report("This option is deprecated, "
3507 "use '-device virtconsole' instead");
3508 add_device_config(DEV_VIRTCON, optarg);
3509 default_virtcon = 0;
3510 if (strncmp(optarg, "mon:", 4) == 0) {
3511 default_monitor = 0;
3512 }
3513 break;
3514 case QEMU_OPTION_parallel:
3515 add_device_config(DEV_PARALLEL, optarg);
3516 default_parallel = 0;
3517 if (strncmp(optarg, "mon:", 4) == 0) {
3518 default_monitor = 0;
3519 }
3520 break;
3521 case QEMU_OPTION_debugcon:
3522 add_device_config(DEV_DEBUGCON, optarg);
3523 break;
3524 case QEMU_OPTION_loadvm:
3525 loadvm = optarg;
3526 break;
3527 case QEMU_OPTION_full_screen:
3528 dpy.has_full_screen = true;
3529 dpy.full_screen = true;
3530 break;
3531 case QEMU_OPTION_no_frame:
3532 g_printerr("The -no-frame switch is deprecated, and will be\n"
3533 "removed in a future release.\n");
3534 no_frame = 1;
3535 break;
3536 case QEMU_OPTION_alt_grab:
3537 alt_grab = 1;
3538 break;
3539 case QEMU_OPTION_ctrl_grab:
3540 ctrl_grab = 1;
3541 break;
3542 case QEMU_OPTION_no_quit:
3543 dpy.has_window_close = true;
3544 dpy.window_close = false;
3545 break;
3546 case QEMU_OPTION_sdl:
3547 #ifdef CONFIG_SDL
3548 dpy.type = DISPLAY_TYPE_SDL;
3549 break;
3550 #else
3551 error_report("SDL support is disabled");
3552 exit(1);
3553 #endif
3554 case QEMU_OPTION_pidfile:
3555 pid_file = optarg;
3556 break;
3557 case QEMU_OPTION_win2k_hack:
3558 win2k_install_hack = 1;
3559 break;
3560 case QEMU_OPTION_rtc_td_hack: {
3561 static GlobalProperty slew_lost_ticks = {
3562 .driver = "mc146818rtc",
3563 .property = "lost_tick_policy",
3564 .value = "slew",
3565 };
3566
3567 qdev_prop_register_global(&slew_lost_ticks);
3568 warn_report("This option is deprecated, "
3569 "use '-rtc driftfix=slew' instead.");
3570 break;
3571 }
3572 case QEMU_OPTION_acpitable:
3573 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3574 optarg, true);
3575 if (!opts) {
3576 exit(1);
3577 }
3578 acpi_table_add(opts, &error_fatal);
3579 break;
3580 case QEMU_OPTION_smbios:
3581 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3582 optarg, false);
3583 if (!opts) {
3584 exit(1);
3585 }
3586 smbios_entry_add(opts, &error_fatal);
3587 break;
3588 case QEMU_OPTION_fwcfg:
3589 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3590 optarg, true);
3591 if (opts == NULL) {
3592 exit(1);
3593 }
3594 break;
3595 case QEMU_OPTION_preconfig:
3596 preconfig_exit_requested = false;
3597 break;
3598 case QEMU_OPTION_enable_kvm:
3599 olist = qemu_find_opts("machine");
3600 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3601 break;
3602 case QEMU_OPTION_enable_hax:
3603 warn_report("Option is deprecated, use '-accel hax' instead");
3604 olist = qemu_find_opts("machine");
3605 qemu_opts_parse_noisily(olist, "accel=hax", false);
3606 break;
3607 case QEMU_OPTION_M:
3608 case QEMU_OPTION_machine:
3609 olist = qemu_find_opts("machine");
3610 opts = qemu_opts_parse_noisily(olist, optarg, true);
3611 if (!opts) {
3612 exit(1);
3613 }
3614 break;
3615 case QEMU_OPTION_no_kvm:
3616 olist = qemu_find_opts("machine");
3617 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3618 break;
3619 case QEMU_OPTION_accel:
3620 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3621 optarg, true);
3622 optarg = qemu_opt_get(accel_opts, "accel");
3623 if (!optarg || is_help_option(optarg)) {
3624 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3625 exit(0);
3626 }
3627 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3628 false, &error_abort);
3629 qemu_opt_set(opts, "accel", optarg, &error_abort);
3630 break;
3631 case QEMU_OPTION_usb:
3632 olist = qemu_find_opts("machine");
3633 qemu_opts_parse_noisily(olist, "usb=on", false);
3634 break;
3635 case QEMU_OPTION_usbdevice:
3636 error_report("'-usbdevice' is deprecated, please use "
3637 "'-device usb-...' instead");
3638 olist = qemu_find_opts("machine");
3639 qemu_opts_parse_noisily(olist, "usb=on", false);
3640 add_device_config(DEV_USB, optarg);
3641 break;
3642 case QEMU_OPTION_device:
3643 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3644 optarg, true)) {
3645 exit(1);
3646 }
3647 break;
3648 case QEMU_OPTION_smp:
3649 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3650 optarg, true)) {
3651 exit(1);
3652 }
3653 break;
3654 case QEMU_OPTION_vnc:
3655 vnc_parse(optarg, &error_fatal);
3656 break;
3657 case QEMU_OPTION_no_acpi:
3658 acpi_enabled = 0;
3659 break;
3660 case QEMU_OPTION_no_hpet:
3661 no_hpet = 1;
3662 break;
3663 case QEMU_OPTION_balloon:
3664 if (balloon_parse(optarg) < 0) {
3665 error_report("unknown -balloon argument %s", optarg);
3666 exit(1);
3667 }
3668 break;
3669 case QEMU_OPTION_no_reboot:
3670 no_reboot = 1;
3671 break;
3672 case QEMU_OPTION_no_shutdown:
3673 no_shutdown = 1;
3674 break;
3675 case QEMU_OPTION_show_cursor:
3676 cursor_hide = 0;
3677 break;
3678 case QEMU_OPTION_uuid:
3679 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3680 error_report("failed to parse UUID string: wrong format");
3681 exit(1);
3682 }
3683 qemu_uuid_set = true;
3684 break;
3685 case QEMU_OPTION_option_rom:
3686 if (nb_option_roms >= MAX_OPTION_ROMS) {
3687 error_report("too many option ROMs");
3688 exit(1);
3689 }
3690 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3691 optarg, true);
3692 if (!opts) {
3693 exit(1);
3694 }
3695 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3696 option_rom[nb_option_roms].bootindex =
3697 qemu_opt_get_number(opts, "bootindex", -1);
3698 if (!option_rom[nb_option_roms].name) {
3699 error_report("Option ROM file is not specified");
3700 exit(1);
3701 }
3702 nb_option_roms++;
3703 break;
3704 case QEMU_OPTION_semihosting:
3705 semihosting.enabled = true;
3706 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3707 break;
3708 case QEMU_OPTION_semihosting_config:
3709 semihosting.enabled = true;
3710 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3711 optarg, false);
3712 if (opts != NULL) {
3713 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3714 true);
3715 const char *target = qemu_opt_get(opts, "target");
3716 if (target != NULL) {
3717 if (strcmp("native", target) == 0) {
3718 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3719 } else if (strcmp("gdb", target) == 0) {
3720 semihosting.target = SEMIHOSTING_TARGET_GDB;
3721 } else if (strcmp("auto", target) == 0) {
3722 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3723 } else {
3724 error_report("unsupported semihosting-config %s",
3725 optarg);
3726 exit(1);
3727 }
3728 } else {
3729 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3730 }
3731 /* Set semihosting argument count and vector */
3732 qemu_opt_foreach(opts, add_semihosting_arg,
3733 &semihosting, NULL);
3734 } else {
3735 error_report("unsupported semihosting-config %s", optarg);
3736 exit(1);
3737 }
3738 break;
3739 case QEMU_OPTION_name:
3740 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3741 optarg, true);
3742 if (!opts) {
3743 exit(1);
3744 }
3745 break;
3746 case QEMU_OPTION_prom_env:
3747 if (nb_prom_envs >= MAX_PROM_ENVS) {
3748 error_report("too many prom variables");
3749 exit(1);
3750 }
3751 prom_envs[nb_prom_envs] = optarg;
3752 nb_prom_envs++;
3753 break;
3754 case QEMU_OPTION_old_param:
3755 old_param = 1;
3756 break;
3757 case QEMU_OPTION_clock:
3758 /* Clock options no longer exist. Keep this option for
3759 * backward compatibility.
3760 */
3761 warn_report("This option is ignored and will be removed soon");
3762 break;
3763 case QEMU_OPTION_startdate:
3764 warn_report("This option is deprecated, use '-rtc base=' instead.");
3765 configure_rtc_date_offset(optarg, 1);
3766 break;
3767 case QEMU_OPTION_rtc:
3768 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3769 false);
3770 if (!opts) {
3771 exit(1);
3772 }
3773 configure_rtc(opts);
3774 break;
3775 case QEMU_OPTION_tb_size:
3776 #ifndef CONFIG_TCG
3777 error_report("TCG is disabled");
3778 exit(1);
3779 #endif
3780 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3781 error_report("Invalid argument to -tb-size");
3782 exit(1);
3783 }
3784 break;
3785 case QEMU_OPTION_icount:
3786 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3787 optarg, true);
3788 if (!icount_opts) {
3789 exit(1);
3790 }
3791 break;
3792 case QEMU_OPTION_incoming:
3793 if (!incoming) {
3794 runstate_set(RUN_STATE_INMIGRATE);
3795 }
3796 incoming = optarg;
3797 break;
3798 case QEMU_OPTION_only_migratable:
3799 /*
3800 * TODO: we can remove this option one day, and we
3801 * should all use:
3802 *
3803 * "-global migration.only-migratable=true"
3804 */
3805 qemu_global_option("migration.only-migratable=true");
3806 break;
3807 case QEMU_OPTION_nodefaults:
3808 has_defaults = 0;
3809 break;
3810 case QEMU_OPTION_xen_domid:
3811 if (!(xen_available())) {
3812 error_report("Option not supported for this target");
3813 exit(1);
3814 }
3815 xen_domid = atoi(optarg);
3816 break;
3817 case QEMU_OPTION_xen_create:
3818 if (!(xen_available())) {
3819 error_report("Option not supported for this target");
3820 exit(1);
3821 }
3822 xen_mode = XEN_CREATE;
3823 break;
3824 case QEMU_OPTION_xen_attach:
3825 if (!(xen_available())) {
3826 error_report("Option not supported for this target");
3827 exit(1);
3828 }
3829 xen_mode = XEN_ATTACH;
3830 break;
3831 case QEMU_OPTION_xen_domid_restrict:
3832 if (!(xen_available())) {
3833 error_report("Option not supported for this target");
3834 exit(1);
3835 }
3836 xen_domid_restrict = true;
3837 break;
3838 case QEMU_OPTION_trace:
3839 g_free(trace_file);
3840 trace_file = trace_opt_parse(optarg);
3841 break;
3842 case QEMU_OPTION_readconfig:
3843 {
3844 int ret = qemu_read_config_file(optarg);
3845 if (ret < 0) {
3846 error_report("read config %s: %s", optarg,
3847 strerror(-ret));
3848 exit(1);
3849 }
3850 break;
3851 }
3852 case QEMU_OPTION_spice:
3853 olist = qemu_find_opts("spice");
3854 if (!olist) {
3855 error_report("spice support is disabled");
3856 exit(1);
3857 }
3858 opts = qemu_opts_parse_noisily(olist, optarg, false);
3859 if (!opts) {
3860 exit(1);
3861 }
3862 display_remote++;
3863 break;
3864 case QEMU_OPTION_writeconfig:
3865 {
3866 FILE *fp;
3867 if (strcmp(optarg, "-") == 0) {
3868 fp = stdout;
3869 } else {
3870 fp = fopen(optarg, "w");
3871 if (fp == NULL) {
3872 error_report("open %s: %s", optarg,
3873 strerror(errno));
3874 exit(1);
3875 }
3876 }
3877 qemu_config_write(fp);
3878 if (fp != stdout) {
3879 fclose(fp);
3880 }
3881 break;
3882 }
3883 case QEMU_OPTION_qtest:
3884 qtest_chrdev = optarg;
3885 break;
3886 case QEMU_OPTION_qtest_log:
3887 qtest_log = optarg;
3888 break;
3889 case QEMU_OPTION_sandbox:
3890 #ifdef CONFIG_SECCOMP
3891 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3892 optarg, true);
3893 if (!opts) {
3894 exit(1);
3895 }
3896 #else
3897 error_report("-sandbox support is not enabled "
3898 "in this QEMU binary");
3899 exit(1);
3900 #endif
3901 break;
3902 case QEMU_OPTION_add_fd:
3903 #ifndef _WIN32
3904 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3905 optarg, false);
3906 if (!opts) {
3907 exit(1);
3908 }
3909 #else
3910 error_report("File descriptor passing is disabled on this "
3911 "platform");
3912 exit(1);
3913 #endif
3914 break;
3915 case QEMU_OPTION_object:
3916 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3917 optarg, true);
3918 if (!opts) {
3919 exit(1);
3920 }
3921 break;
3922 case QEMU_OPTION_realtime:
3923 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3924 optarg, false);
3925 if (!opts) {
3926 exit(1);
3927 }
3928 /* Don't override the -overcommit option if set */
3929 enable_mlock = enable_mlock ||
3930 qemu_opt_get_bool(opts, "mlock", true);
3931 break;
3932 case QEMU_OPTION_overcommit:
3933 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3934 optarg, false);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 /* Don't override the -realtime option if set */
3939 enable_mlock = enable_mlock ||
3940 qemu_opt_get_bool(opts, "mem-lock", false);
3941 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3942 break;
3943 case QEMU_OPTION_msg:
3944 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3945 false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 configure_msg(opts);
3950 break;
3951 case QEMU_OPTION_dump_vmstate:
3952 if (vmstate_dump_file) {
3953 error_report("only one '-dump-vmstate' "
3954 "option may be given");
3955 exit(1);
3956 }
3957 vmstate_dump_file = fopen(optarg, "w");
3958 if (vmstate_dump_file == NULL) {
3959 error_report("open %s: %s", optarg, strerror(errno));
3960 exit(1);
3961 }
3962 break;
3963 case QEMU_OPTION_nodefconfig:
3964 case QEMU_OPTION_nouserconfig:
3965 /* Nothing to be parsed here. Especially, do not error out below. */
3966 break;
3967 default:
3968 if (os_parse_cmd_args(popt->index, optarg)) {
3969 error_report("Option not supported in this build");
3970 exit(1);
3971 }
3972 }
3973 }
3974 }
3975 /*
3976 * Clear error location left behind by the loop.
3977 * Best done right after the loop. Do not insert code here!
3978 */
3979 loc_set_none();
3980
3981 replay_configure(icount_opts);
3982
3983 if (incoming && !preconfig_exit_requested) {
3984 error_report("'preconfig' and 'incoming' options are "
3985 "mutually exclusive");
3986 exit(EXIT_FAILURE);
3987 }
3988
3989 machine_class = select_machine();
3990
3991 set_memory_options(&ram_slots, &maxram_size, machine_class);
3992
3993 os_daemonize();
3994 rcu_disable_atfork();
3995
3996 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3997 error_report("could not acquire pid file: %s", strerror(errno));
3998 exit(1);
3999 }
4000
4001 if (qemu_init_main_loop(&main_loop_err)) {
4002 error_report_err(main_loop_err);
4003 exit(1);
4004 }
4005
4006 #ifdef CONFIG_SECCOMP
4007 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4008 parse_sandbox, NULL, NULL)) {
4009 exit(1);
4010 }
4011 #endif
4012
4013 if (qemu_opts_foreach(qemu_find_opts("name"),
4014 parse_name, NULL, NULL)) {
4015 exit(1);
4016 }
4017
4018 #ifndef _WIN32
4019 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4020 parse_add_fd, NULL, NULL)) {
4021 exit(1);
4022 }
4023
4024 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4025 cleanup_add_fd, NULL, NULL)) {
4026 exit(1);
4027 }
4028 #endif
4029
4030 current_machine = MACHINE(object_new(object_class_get_name(
4031 OBJECT_CLASS(machine_class))));
4032 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4033 exit(0);
4034 }
4035 object_property_add_child(object_get_root(), "machine",
4036 OBJECT(current_machine), &error_abort);
4037
4038 if (machine_class->minimum_page_bits) {
4039 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4040 /* This would be a board error: specifying a minimum smaller than
4041 * a target's compile-time fixed setting.
4042 */
4043 g_assert_not_reached();
4044 }
4045 }
4046
4047 cpu_exec_init_all();
4048
4049 if (machine_class->hw_version) {
4050 qemu_set_hw_version(machine_class->hw_version);
4051 }
4052
4053 if (cpu_model && is_help_option(cpu_model)) {
4054 list_cpus(stdout, &fprintf, cpu_model);
4055 exit(0);
4056 }
4057
4058 if (!trace_init_backends()) {
4059 exit(1);
4060 }
4061 trace_init_file(trace_file);
4062
4063 /* Open the logfile at this point and set the log mask if necessary.
4064 */
4065 if (log_file) {
4066 qemu_set_log_filename(log_file, &error_fatal);
4067 }
4068
4069 if (log_mask) {
4070 int mask;
4071 mask = qemu_str_to_log_mask(log_mask);
4072 if (!mask) {
4073 qemu_print_log_usage(stdout);
4074 exit(1);
4075 }
4076 qemu_set_log(mask);
4077 } else {
4078 qemu_set_log(0);
4079 }
4080
4081 /* add configured firmware directories */
4082 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4083 for (i = 0; dirs[i] != NULL; i++) {
4084 qemu_add_data_dir(dirs[i]);
4085 }
4086 g_strfreev(dirs);
4087
4088 /* try to find datadir relative to the executable path */
4089 dir = os_find_datadir();
4090 qemu_add_data_dir(dir);
4091 g_free(dir);
4092
4093 /* add the datadir specified when building */
4094 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4095
4096 /* -L help lists the data directories and exits. */
4097 if (list_data_dirs) {
4098 for (i = 0; i < data_dir_idx; i++) {
4099 printf("%s\n", data_dir[i]);
4100 }
4101 exit(0);
4102 }
4103
4104 /* machine_class: default to UP */
4105 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4106 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4107 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4108
4109 /* default to machine_class->default_cpus */
4110 smp_cpus = machine_class->default_cpus;
4111 max_cpus = machine_class->default_cpus;
4112
4113 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4114
4115 /* sanity-check smp_cpus and max_cpus against machine_class */
4116 if (smp_cpus < machine_class->min_cpus) {
4117 error_report("Invalid SMP CPUs %d. The min CPUs "
4118 "supported by machine '%s' is %d", smp_cpus,
4119 machine_class->name, machine_class->min_cpus);
4120 exit(1);
4121 }
4122 if (max_cpus > machine_class->max_cpus) {
4123 error_report("Invalid SMP CPUs %d. The max CPUs "
4124 "supported by machine '%s' is %d", max_cpus,
4125 machine_class->name, machine_class->max_cpus);
4126 exit(1);
4127 }
4128
4129 /*
4130 * Get the default machine options from the machine if it is not already
4131 * specified either by the configuration file or by the command line.
4132 */
4133 if (machine_class->default_machine_opts) {
4134 qemu_opts_set_defaults(qemu_find_opts("machine"),
4135 machine_class->default_machine_opts, 0);
4136 }
4137
4138 qemu_opts_foreach(qemu_find_opts("device"),
4139 default_driver_check, NULL, NULL);
4140 qemu_opts_foreach(qemu_find_opts("global"),
4141 default_driver_check, NULL, NULL);
4142
4143 if (!vga_model && !default_vga) {
4144 vga_interface_type = VGA_DEVICE;
4145 }
4146 if (!has_defaults || machine_class->no_serial) {
4147 default_serial = 0;
4148 }
4149 if (!has_defaults || machine_class->no_parallel) {
4150 default_parallel = 0;
4151 }
4152 if (!has_defaults || !machine_class->use_virtcon) {
4153 default_virtcon = 0;
4154 }
4155 if (!has_defaults || machine_class->no_floppy) {
4156 default_floppy = 0;
4157 }
4158 if (!has_defaults || machine_class->no_cdrom) {
4159 default_cdrom = 0;
4160 }
4161 if (!has_defaults || machine_class->no_sdcard) {
4162 default_sdcard = 0;
4163 }
4164 if (!has_defaults) {
4165 default_monitor = 0;
4166 default_net = 0;
4167 default_vga = 0;
4168 }
4169
4170 if (is_daemonized()) {
4171 if (!preconfig_exit_requested) {
4172 error_report("'preconfig' and 'daemonize' options are "
4173 "mutually exclusive");
4174 exit(EXIT_FAILURE);
4175 }
4176
4177 /* According to documentation and historically, -nographic redirects
4178 * serial port, parallel port and monitor to stdio, which does not work
4179 * with -daemonize. We can redirect these to null instead, but since
4180 * -nographic is legacy, let's just error out.
4181 * We disallow -nographic only if all other ports are not redirected
4182 * explicitly, to not break existing legacy setups which uses
4183 * -nographic _and_ redirects all ports explicitly - this is valid
4184 * usage, -nographic is just a no-op in this case.
4185 */
4186 if (nographic
4187 && (default_parallel || default_serial
4188 || default_monitor || default_virtcon)) {
4189 error_report("-nographic cannot be used with -daemonize");
4190 exit(1);
4191 }
4192 #ifdef CONFIG_CURSES
4193 if (dpy.type == DISPLAY_TYPE_CURSES) {
4194 error_report("curses display cannot be used with -daemonize");
4195 exit(1);
4196 }
4197 #endif
4198 }
4199
4200 if (nographic) {
4201 if (default_parallel)
4202 add_device_config(DEV_PARALLEL, "null");
4203 if (default_serial && default_monitor) {
4204 add_device_config(DEV_SERIAL, "mon:stdio");
4205 } else if (default_virtcon && default_monitor) {
4206 add_device_config(DEV_VIRTCON, "mon:stdio");
4207 } else {
4208 if (default_serial)
4209 add_device_config(DEV_SERIAL, "stdio");
4210 if (default_virtcon)
4211 add_device_config(DEV_VIRTCON, "stdio");
4212 if (default_monitor)
4213 monitor_parse("stdio", "readline", false);
4214 }
4215 } else {
4216 if (default_serial)
4217 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4218 if (default_parallel)
4219 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4220 if (default_monitor)
4221 monitor_parse("vc:80Cx24C", "readline", false);
4222 if (default_virtcon)
4223 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4224 }
4225
4226 #if defined(CONFIG_VNC)
4227 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4228 display_remote++;
4229 }
4230 #endif
4231 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4232 if (!qemu_display_find_default(&dpy)) {
4233 dpy.type = DISPLAY_TYPE_NONE;
4234 #if defined(CONFIG_VNC)
4235 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4236 #endif
4237 }
4238 }
4239 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4240 dpy.type = DISPLAY_TYPE_NONE;
4241 }
4242
4243 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4244 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4245 "for SDL, ignoring option");
4246 }
4247 if (dpy.has_window_close &&
4248 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4249 error_report("-no-quit is only valid for GTK and SDL, "
4250 "ignoring option");
4251 }
4252
4253 qemu_display_early_init(&dpy);
4254 qemu_console_early_init();
4255
4256 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4257 #if defined(CONFIG_OPENGL)
4258 error_report("OpenGL is not supported by the display");
4259 #else
4260 error_report("OpenGL support is disabled");
4261 #endif
4262 exit(1);
4263 }
4264
4265 page_size_init();
4266 socket_init();
4267
4268 if (qemu_opts_foreach(qemu_find_opts("object"),
4269 user_creatable_add_opts_foreach,
4270 object_create_initial, NULL)) {
4271 exit(1);
4272 }
4273
4274 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4275 chardev_init_func, NULL, NULL)) {
4276 exit(1);
4277 }
4278
4279 #ifdef CONFIG_VIRTFS
4280 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4281 fsdev_init_func, NULL, NULL)) {
4282 exit(1);
4283 }
4284 #endif
4285
4286 if (qemu_opts_foreach(qemu_find_opts("device"),
4287 device_help_func, NULL, NULL)) {
4288 exit(0);
4289 }
4290
4291 machine_opts = qemu_get_machine_opts();
4292 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4293 NULL)) {
4294 object_unref(OBJECT(current_machine));
4295 exit(1);
4296 }
4297
4298 configure_accelerator(current_machine);
4299
4300 if (!qtest_enabled() && machine_class->deprecation_reason) {
4301 error_report("Machine type '%s' is deprecated: %s",
4302 machine_class->name, machine_class->deprecation_reason);
4303 }
4304
4305 /*
4306 * Register all the global properties, including accel properties,
4307 * machine properties, and user-specified ones.
4308 */
4309 register_global_properties(current_machine);
4310
4311 /*
4312 * Migration object can only be created after global properties
4313 * are applied correctly.
4314 */
4315 migration_object_init();
4316
4317 if (qtest_chrdev) {
4318 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4319 }
4320
4321 machine_opts = qemu_get_machine_opts();
4322 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4323 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4324 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4325 bios_name = qemu_opt_get(machine_opts, "firmware");
4326
4327 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4328 if (opts) {
4329 boot_order = qemu_opt_get(opts, "order");
4330 if (boot_order) {
4331 validate_bootdevices(boot_order, &error_fatal);
4332 }
4333
4334 boot_once = qemu_opt_get(opts, "once");
4335 if (boot_once) {
4336 validate_bootdevices(boot_once, &error_fatal);
4337 }
4338
4339 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4340 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4341 }
4342
4343 if (!boot_order) {
4344 boot_order = machine_class->default_boot_order;
4345 }
4346
4347 if (!kernel_cmdline) {
4348 kernel_cmdline = "";
4349 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4350 }
4351
4352 linux_boot = (kernel_filename != NULL);
4353
4354 if (!linux_boot && *kernel_cmdline != '\0') {
4355 error_report("-append only allowed with -kernel option");
4356 exit(1);
4357 }
4358
4359 if (!linux_boot && initrd_filename != NULL) {
4360 error_report("-initrd only allowed with -kernel option");
4361 exit(1);
4362 }
4363
4364 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4365 /* fall back to the -kernel/-append */
4366 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4367 }
4368
4369 os_set_line_buffering();
4370
4371 /* spice needs the timers to be initialized by this point */
4372 qemu_spice_init();
4373
4374 cpu_ticks_init();
4375 if (icount_opts) {
4376 if (!tcg_enabled()) {
4377 error_report("-icount is not allowed with hardware virtualization");
4378 exit(1);
4379 }
4380 configure_icount(icount_opts, &error_abort);
4381 qemu_opts_del(icount_opts);
4382 }
4383
4384 if (tcg_enabled()) {
4385 qemu_tcg_configure(accel_opts, &error_fatal);
4386 }
4387
4388 if (default_net) {
4389 QemuOptsList *net = qemu_find_opts("net");
4390 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4391 #ifdef CONFIG_SLIRP
4392 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4393 #endif
4394 }
4395
4396 colo_info_init();
4397
4398 if (net_init_clients(&err) < 0) {
4399 error_report_err(err);
4400 exit(1);
4401 }
4402
4403 if (qemu_opts_foreach(qemu_find_opts("object"),
4404 user_creatable_add_opts_foreach,
4405 object_create_delayed, NULL)) {
4406 exit(1);
4407 }
4408
4409 if (tpm_init() < 0) {
4410 exit(1);
4411 }
4412
4413 /* init the bluetooth world */
4414 if (foreach_device_config(DEV_BT, bt_parse))
4415 exit(1);
4416
4417 if (!xen_enabled()) {
4418 /* On 32-bit hosts, QEMU is limited by virtual address space */
4419 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4420 error_report("at most 2047 MB RAM can be simulated");
4421 exit(1);
4422 }
4423 }
4424
4425 blk_mig_init();
4426 ram_mig_init();
4427 dirty_bitmap_mig_init();
4428
4429 /* If the currently selected machine wishes to override the units-per-bus
4430 * property of its default HBA interface type, do so now. */
4431 if (machine_class->units_per_default_bus) {
4432 override_max_devs(machine_class->block_default_type,
4433 machine_class->units_per_default_bus);
4434 }
4435
4436 /* open the virtual block devices */
4437 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4438 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4439
4440 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4441 loc_push_restore(&bdo->loc);
4442 qmp_blockdev_add(bdo->bdo, &error_fatal);
4443 loc_pop(&bdo->loc);
4444 qapi_free_BlockdevOptions(bdo->bdo);
4445 g_free(bdo);
4446 }
4447 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4448 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4449 NULL, NULL);
4450 }
4451 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4452 &machine_class->block_default_type, NULL)) {
4453 exit(1);
4454 }
4455
4456 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4457 CDROM_OPTS);
4458 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4459 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4460
4461 if (qemu_opts_foreach(qemu_find_opts("mon"),
4462 mon_init_func, NULL, NULL)) {
4463 exit(1);
4464 }
4465
4466 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4467 exit(1);
4468 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4469 exit(1);
4470 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4471 exit(1);
4472 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4473 exit(1);
4474
4475 /* If no default VGA is requested, the default is "none". */
4476 if (default_vga) {
4477 if (machine_class->default_display) {
4478 vga_model = machine_class->default_display;
4479 } else if (vga_interface_available(VGA_CIRRUS)) {
4480 vga_model = "cirrus";
4481 } else if (vga_interface_available(VGA_STD)) {
4482 vga_model = "std";
4483 }
4484 }
4485 if (vga_model) {
4486 select_vgahw(vga_model);
4487 }
4488
4489 if (watchdog) {
4490 i = select_watchdog(watchdog);
4491 if (i > 0)
4492 exit (i == 1 ? 1 : 0);
4493 }
4494
4495 /* This checkpoint is required by replay to separate prior clock
4496 reading from the other reads, because timer polling functions query
4497 clock values from the log. */
4498 replay_checkpoint(CHECKPOINT_INIT);
4499 qdev_machine_init();
4500
4501 current_machine->ram_size = ram_size;
4502 current_machine->maxram_size = maxram_size;
4503 current_machine->ram_slots = ram_slots;
4504 current_machine->boot_order = boot_order;
4505
4506 /* parse features once if machine provides default cpu_type */
4507 current_machine->cpu_type = machine_class->default_cpu_type;
4508 if (cpu_model) {
4509 current_machine->cpu_type = parse_cpu_model(cpu_model);
4510 }
4511 parse_numa_opts(current_machine);
4512
4513 /* do monitor/qmp handling at preconfig state if requested */
4514 main_loop();
4515
4516 /* from here on runstate is RUN_STATE_PRELAUNCH */
4517 machine_run_board_init(current_machine);
4518
4519 realtime_init();
4520
4521 soundhw_init();
4522
4523 if (hax_enabled()) {
4524 hax_sync_vcpus();
4525 }
4526
4527 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4528 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4529 exit(1);
4530 }
4531
4532 /* init USB devices */
4533 if (machine_usb(current_machine)) {
4534 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4535 exit(1);
4536 }
4537
4538 /* Check if IGD GFX passthrough. */
4539 igd_gfx_passthru();
4540
4541 /* init generic devices */
4542 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4543 if (qemu_opts_foreach(qemu_find_opts("device"),
4544 device_init_func, NULL, NULL)) {
4545 exit(1);
4546 }
4547
4548 cpu_synchronize_all_post_init();
4549
4550 rom_reset_order_override();
4551
4552 /* Did we create any drives that we failed to create a device for? */
4553 drive_check_orphaned();
4554
4555 /* Don't warn about the default network setup that you get if
4556 * no command line -net or -netdev options are specified. There
4557 * are two cases that we would otherwise complain about:
4558 * (1) board doesn't support a NIC but the implicit "-net nic"
4559 * requested one
4560 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4561 * sets up a nic that isn't connected to anything.
4562 */
4563 if (!default_net) {
4564 net_check_clients();
4565 }
4566
4567
4568 if (boot_once) {
4569 qemu_boot_set(boot_once, &error_fatal);
4570 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4571 }
4572
4573 /* init local displays */
4574 ds = init_displaystate();
4575 qemu_display_init(ds, &dpy);
4576
4577 /* must be after terminal init, SDL library changes signal handlers */
4578 os_setup_signal_handling();
4579
4580 /* init remote displays */
4581 #ifdef CONFIG_VNC
4582 qemu_opts_foreach(qemu_find_opts("vnc"),
4583 vnc_init_func, NULL, NULL);
4584 #endif
4585
4586 if (using_spice) {
4587 qemu_spice_display_init();
4588 }
4589
4590 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4591 exit(1);
4592 }
4593
4594 qdev_machine_creation_done();
4595
4596 /* TODO: once all bus devices are qdevified, this should be done
4597 * when bus is created by qdev.c */
4598 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4599 qemu_run_machine_init_done_notifiers();
4600
4601 if (rom_check_and_register_reset() != 0) {
4602 error_report("rom check and register reset failed");
4603 exit(1);
4604 }
4605
4606 replay_start();
4607
4608 /* This checkpoint is required by replay to separate prior clock
4609 reading from the other reads, because timer polling functions query
4610 clock values from the log. */
4611 replay_checkpoint(CHECKPOINT_RESET);
4612 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4613 register_global_state();
4614 if (replay_mode != REPLAY_MODE_NONE) {
4615 replay_vmstate_init();
4616 } else if (loadvm) {
4617 Error *local_err = NULL;
4618 if (load_snapshot(loadvm, &local_err) < 0) {
4619 error_report_err(local_err);
4620 autostart = 0;
4621 }
4622 }
4623
4624 qdev_prop_check_globals();
4625 if (vmstate_dump_file) {
4626 /* dump and exit */
4627 dump_vmstate_json_to_file(vmstate_dump_file);
4628 return 0;
4629 }
4630
4631 if (incoming) {
4632 Error *local_err = NULL;
4633 qemu_start_incoming_migration(incoming, &local_err);
4634 if (local_err) {
4635 error_reportf_err(local_err, "-incoming %s: ", incoming);
4636 exit(1);
4637 }
4638 } else if (autostart) {
4639 vm_start();
4640 }
4641
4642 accel_setup_post(current_machine);
4643 os_setup_post();
4644
4645 main_loop();
4646
4647 gdbserver_cleanup();
4648
4649 /* No more vcpu or device emulation activity beyond this point */
4650 vm_shutdown();
4651
4652 job_cancel_sync_all();
4653 bdrv_close_all();
4654
4655 res_free();
4656
4657 /* vhost-user must be cleaned up before chardevs. */
4658 tpm_cleanup();
4659 net_cleanup();
4660 audio_cleanup();
4661 monitor_cleanup();
4662 qemu_chr_cleanup();
4663 user_creatable_cleanup();
4664 migration_object_finalize();
4665 /* TODO: unref root container, check all devices are ok */
4666
4667 return 0;
4668 }
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