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vl: Improve legibility of BlockdevOptions queue
[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/firmware/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 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
113
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "exec/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131
132 #define MAX_VIRTIO_CONSOLES 1
133
134 static const char *data_dir[16];
135 static int data_dir_idx;
136 const char *bios_name = NULL;
137 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
138 int display_opengl;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 bool enable_cpu_pm = false;
145 int nb_nics;
146 NICInfo nd_table[MAX_NICS];
147 int autostart;
148 static enum {
149 RTC_BASE_UTC,
150 RTC_BASE_LOCALTIME,
151 RTC_BASE_DATETIME,
152 } rtc_base_type = RTC_BASE_UTC;
153 static time_t rtc_ref_start_datetime;
154 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
155 static int rtc_host_datetime_offset = -1; /* valid & used only with
156 RTC_BASE_DATETIME */
157 QEMUClockType rtc_clock;
158 int vga_interface_type = VGA_NONE;
159 static DisplayOptions dpy;
160 static int num_serial_hds;
161 static Chardev **serial_hds;
162 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
163 int win2k_install_hack = 0;
164 int singlestep = 0;
165 int smp_cpus;
166 unsigned int max_cpus;
167 int smp_cores = 1;
168 int smp_threads = 1;
169 int acpi_enabled = 1;
170 int no_hpet = 0;
171 int fd_bootchk = 1;
172 static int no_reboot;
173 int no_shutdown = 0;
174 int cursor_hide = 1;
175 int graphic_rotate = 0;
176 const char *watchdog;
177 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
178 int nb_option_roms;
179 int old_param = 0;
180 const char *qemu_name;
181 int alt_grab = 0;
182 int ctrl_grab = 0;
183 unsigned int nb_prom_envs = 0;
184 const char *prom_envs[MAX_PROM_ENVS];
185 int boot_menu;
186 bool boot_strict;
187 uint8_t *boot_splash_filedata;
188 size_t boot_splash_filedata_size;
189 bool wakeup_suspend_enabled;
190
191 int icount_align_option;
192
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 QemuUUID qemu_uuid;
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208 bool xen_domid_restrict;
209
210 static int has_defaults = 1;
211 static int default_serial = 1;
212 static int default_parallel = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218 static int default_net = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "floppy", .flag = &default_floppy },
228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
230 { .driver = "ide-drive", .flag = &default_cdrom },
231 { .driver = "scsi-cd", .flag = &default_cdrom },
232 { .driver = "scsi-hd", .flag = &default_cdrom },
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 { .driver = "ati-vga", .flag = &default_vga },
241 };
242
243 static QemuOptsList qemu_rtc_opts = {
244 .name = "rtc",
245 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
246 .merge_lists = true,
247 .desc = {
248 {
249 .name = "base",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "clock",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "driftfix",
256 .type = QEMU_OPT_STRING,
257 },
258 { /* end of list */ }
259 },
260 };
261
262 static QemuOptsList qemu_option_rom_opts = {
263 .name = "option-rom",
264 .implied_opt_name = "romfile",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
266 .desc = {
267 {
268 .name = "bootindex",
269 .type = QEMU_OPT_NUMBER,
270 }, {
271 .name = "romfile",
272 .type = QEMU_OPT_STRING,
273 },
274 { /* end of list */ }
275 },
276 };
277
278 static QemuOptsList qemu_machine_opts = {
279 .name = "machine",
280 .implied_opt_name = "type",
281 .merge_lists = true,
282 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
283 .desc = {
284 /*
285 * no elements => accept any
286 * sanity checking will happen later
287 * when setting machine properties
288 */
289 { }
290 },
291 };
292
293 static QemuOptsList qemu_accel_opts = {
294 .name = "accel",
295 .implied_opt_name = "accel",
296 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
297 .merge_lists = true,
298 .desc = {
299 {
300 .name = "accel",
301 .type = QEMU_OPT_STRING,
302 .help = "Select the type of accelerator",
303 },
304 {
305 .name = "thread",
306 .type = QEMU_OPT_STRING,
307 .help = "Enable/disable multi-threaded TCG",
308 },
309 { /* end of list */ }
310 },
311 };
312
313 static QemuOptsList qemu_boot_opts = {
314 .name = "boot-opts",
315 .implied_opt_name = "order",
316 .merge_lists = true,
317 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
318 .desc = {
319 {
320 .name = "order",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "once",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "menu",
327 .type = QEMU_OPT_BOOL,
328 }, {
329 .name = "splash",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "splash-time",
333 .type = QEMU_OPT_NUMBER,
334 }, {
335 .name = "reboot-timeout",
336 .type = QEMU_OPT_NUMBER,
337 }, {
338 .name = "strict",
339 .type = QEMU_OPT_BOOL,
340 },
341 { /*End of list */ }
342 },
343 };
344
345 static QemuOptsList qemu_add_fd_opts = {
346 .name = "add-fd",
347 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
348 .desc = {
349 {
350 .name = "fd",
351 .type = QEMU_OPT_NUMBER,
352 .help = "file descriptor of which a duplicate is added to fd set",
353 },{
354 .name = "set",
355 .type = QEMU_OPT_NUMBER,
356 .help = "ID of the fd set to add fd to",
357 },{
358 .name = "opaque",
359 .type = QEMU_OPT_STRING,
360 .help = "free-form string used to describe fd",
361 },
362 { /* end of list */ }
363 },
364 };
365
366 static QemuOptsList qemu_object_opts = {
367 .name = "object",
368 .implied_opt_name = "qom-type",
369 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
370 .desc = {
371 { }
372 },
373 };
374
375 static QemuOptsList qemu_tpmdev_opts = {
376 .name = "tpmdev",
377 .implied_opt_name = "type",
378 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
379 .desc = {
380 /* options are defined in the TPM backends */
381 { /* end of list */ }
382 },
383 };
384
385 static QemuOptsList qemu_realtime_opts = {
386 .name = "realtime",
387 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
388 .desc = {
389 {
390 .name = "mlock",
391 .type = QEMU_OPT_BOOL,
392 },
393 { /* end of list */ }
394 },
395 };
396
397 static QemuOptsList qemu_overcommit_opts = {
398 .name = "overcommit",
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
400 .desc = {
401 {
402 .name = "mem-lock",
403 .type = QEMU_OPT_BOOL,
404 },
405 {
406 .name = "cpu-pm",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_msg_opts = {
414 .name = "msg",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
416 .desc = {
417 {
418 .name = "timestamp",
419 .type = QEMU_OPT_BOOL,
420 },
421 { /* end of list */ }
422 },
423 };
424
425 static QemuOptsList qemu_name_opts = {
426 .name = "name",
427 .implied_opt_name = "guest",
428 .merge_lists = true,
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
430 .desc = {
431 {
432 .name = "guest",
433 .type = QEMU_OPT_STRING,
434 .help = "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
437 }, {
438 .name = "process",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the QEMU process, as shown in top etc",
441 }, {
442 .name = "debug-threads",
443 .type = QEMU_OPT_BOOL,
444 .help = "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
446 "stable API.",
447 },
448 { /* End of list */ }
449 },
450 };
451
452 static QemuOptsList qemu_mem_opts = {
453 .name = "memory",
454 .implied_opt_name = "size",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
456 .merge_lists = true,
457 .desc = {
458 {
459 .name = "size",
460 .type = QEMU_OPT_SIZE,
461 },
462 {
463 .name = "slots",
464 .type = QEMU_OPT_NUMBER,
465 },
466 {
467 .name = "maxmem",
468 .type = QEMU_OPT_SIZE,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_icount_opts = {
475 .name = "icount",
476 .implied_opt_name = "shift",
477 .merge_lists = true,
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
479 .desc = {
480 {
481 .name = "shift",
482 .type = QEMU_OPT_STRING,
483 }, {
484 .name = "align",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "sleep",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "rr",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrfile",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "rrsnapshot",
497 .type = QEMU_OPT_STRING,
498 },
499 { /* end of list */ }
500 },
501 };
502
503 static QemuOptsList qemu_semihosting_config_opts = {
504 .name = "semihosting-config",
505 .implied_opt_name = "enable",
506 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
507 .desc = {
508 {
509 .name = "enable",
510 .type = QEMU_OPT_BOOL,
511 }, {
512 .name = "target",
513 .type = QEMU_OPT_STRING,
514 }, {
515 .name = "arg",
516 .type = QEMU_OPT_STRING,
517 },
518 { /* end of list */ }
519 },
520 };
521
522 static QemuOptsList qemu_fw_cfg_opts = {
523 .name = "fw_cfg",
524 .implied_opt_name = "name",
525 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
526 .desc = {
527 {
528 .name = "name",
529 .type = QEMU_OPT_STRING,
530 .help = "Sets the fw_cfg name of the blob to be inserted",
531 }, {
532 .name = "file",
533 .type = QEMU_OPT_STRING,
534 .help = "Sets the name of the file from which "
535 "the fw_cfg blob will be loaded",
536 }, {
537 .name = "string",
538 .type = QEMU_OPT_STRING,
539 .help = "Sets content of the blob to be inserted from a string",
540 },
541 { /* end of list */ }
542 },
543 };
544
545 /**
546 * Get machine options
547 *
548 * Returns: machine options (never null).
549 */
550 QemuOpts *qemu_get_machine_opts(void)
551 {
552 return qemu_find_opts_singleton("machine");
553 }
554
555 const char *qemu_get_vm_name(void)
556 {
557 return qemu_name;
558 }
559
560 static void res_free(void)
561 {
562 g_free(boot_splash_filedata);
563 boot_splash_filedata = NULL;
564 }
565
566 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
567 {
568 const char *driver = qemu_opt_get(opts, "driver");
569 int i;
570
571 if (!driver)
572 return 0;
573 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
574 if (strcmp(default_list[i].driver, driver) != 0)
575 continue;
576 *(default_list[i].flag) = 0;
577 }
578 return 0;
579 }
580
581 /***********************************************************/
582 /* QEMU state */
583
584 static RunState current_run_state = RUN_STATE_PRECONFIG;
585
586 /* We use RUN_STATE__MAX but any invalid value will do */
587 static RunState vmstop_requested = RUN_STATE__MAX;
588 static QemuMutex vmstop_lock;
589
590 typedef struct {
591 RunState from;
592 RunState to;
593 } RunStateTransition;
594
595 static const RunStateTransition runstate_transitions_def[] = {
596 /* from -> to */
597 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
598 /* Early switch to inmigrate state to allow -incoming CLI option work
599 * as it used to. TODO: delay actual switching to inmigrate state to
600 * the point after machine is built and remove this hack.
601 */
602 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
603
604 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
605 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
609 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
610 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
615 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
616 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
618 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
620
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
626 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
628
629 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
630 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
632 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
633 { RUN_STATE_PAUSED, RUN_STATE_COLO},
634
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
636 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
638
639 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
640 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
641 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
642
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
647 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
648
649 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
650 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_COLO, RUN_STATE_RUNNING },
653
654 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
655 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
656 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
657 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
658 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
660 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
661 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
662 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
663 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
664 { RUN_STATE_RUNNING, RUN_STATE_COLO},
665
666 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
667
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
669 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
670 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
671
672 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
673 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
674 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
675 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
677 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
678
679 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
680 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
681 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
682 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
683
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
685 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
686 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
687
688 { RUN_STATE__MAX, RUN_STATE__MAX },
689 };
690
691 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
692
693 bool runstate_check(RunState state)
694 {
695 return current_run_state == state;
696 }
697
698 bool runstate_store(char *str, size_t size)
699 {
700 const char *state = RunState_str(current_run_state);
701 size_t len = strlen(state) + 1;
702
703 if (len > size) {
704 return false;
705 }
706 memcpy(str, state, len);
707 return true;
708 }
709
710 static void runstate_init(void)
711 {
712 const RunStateTransition *p;
713
714 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
715 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
716 runstate_valid_transitions[p->from][p->to] = true;
717 }
718
719 qemu_mutex_init(&vmstop_lock);
720 }
721
722 /* This function will abort() on invalid state transitions */
723 void runstate_set(RunState new_state)
724 {
725 assert(new_state < RUN_STATE__MAX);
726
727 trace_runstate_set(current_run_state, RunState_str(current_run_state),
728 new_state, RunState_str(current_run_state));
729
730 if (current_run_state == new_state) {
731 return;
732 }
733
734 if (!runstate_valid_transitions[current_run_state][new_state]) {
735 error_report("invalid runstate transition: '%s' -> '%s'",
736 RunState_str(current_run_state),
737 RunState_str(new_state));
738 abort();
739 }
740
741 current_run_state = new_state;
742 }
743
744 int runstate_is_running(void)
745 {
746 return runstate_check(RUN_STATE_RUNNING);
747 }
748
749 bool runstate_needs_reset(void)
750 {
751 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
752 runstate_check(RUN_STATE_SHUTDOWN);
753 }
754
755 StatusInfo *qmp_query_status(Error **errp)
756 {
757 StatusInfo *info = g_malloc0(sizeof(*info));
758
759 info->running = runstate_is_running();
760 info->singlestep = singlestep;
761 info->status = current_run_state;
762
763 return info;
764 }
765
766 bool qemu_vmstop_requested(RunState *r)
767 {
768 qemu_mutex_lock(&vmstop_lock);
769 *r = vmstop_requested;
770 vmstop_requested = RUN_STATE__MAX;
771 qemu_mutex_unlock(&vmstop_lock);
772 return *r < RUN_STATE__MAX;
773 }
774
775 void qemu_system_vmstop_request_prepare(void)
776 {
777 qemu_mutex_lock(&vmstop_lock);
778 }
779
780 void qemu_system_vmstop_request(RunState state)
781 {
782 vmstop_requested = state;
783 qemu_mutex_unlock(&vmstop_lock);
784 qemu_notify_event();
785 }
786
787 /***********************************************************/
788 /* RTC reference time/date access */
789 static time_t qemu_ref_timedate(QEMUClockType clock)
790 {
791 time_t value = qemu_clock_get_ms(clock) / 1000;
792 switch (clock) {
793 case QEMU_CLOCK_REALTIME:
794 value -= rtc_realtime_clock_offset;
795 /* no break */
796 case QEMU_CLOCK_VIRTUAL:
797 value += rtc_ref_start_datetime;
798 break;
799 case QEMU_CLOCK_HOST:
800 if (rtc_base_type == RTC_BASE_DATETIME) {
801 value -= rtc_host_datetime_offset;
802 }
803 break;
804 default:
805 assert(0);
806 }
807 return value;
808 }
809
810 void qemu_get_timedate(struct tm *tm, int offset)
811 {
812 time_t ti = qemu_ref_timedate(rtc_clock);
813
814 ti += offset;
815
816 switch (rtc_base_type) {
817 case RTC_BASE_DATETIME:
818 case RTC_BASE_UTC:
819 gmtime_r(&ti, tm);
820 break;
821 case RTC_BASE_LOCALTIME:
822 localtime_r(&ti, tm);
823 break;
824 }
825 }
826
827 int qemu_timedate_diff(struct tm *tm)
828 {
829 time_t seconds;
830
831 switch (rtc_base_type) {
832 case RTC_BASE_DATETIME:
833 case RTC_BASE_UTC:
834 seconds = mktimegm(tm);
835 break;
836 case RTC_BASE_LOCALTIME:
837 {
838 struct tm tmp = *tm;
839 tmp.tm_isdst = -1; /* use timezone to figure it out */
840 seconds = mktime(&tmp);
841 break;
842 }
843 default:
844 abort();
845 }
846
847 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
848 }
849
850 static void configure_rtc_base_datetime(const char *startdate)
851 {
852 time_t rtc_start_datetime;
853 struct tm tm;
854
855 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
856 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
857 /* OK */
858 } else if (sscanf(startdate, "%d-%d-%d",
859 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
860 tm.tm_hour = 0;
861 tm.tm_min = 0;
862 tm.tm_sec = 0;
863 } else {
864 goto date_fail;
865 }
866 tm.tm_year -= 1900;
867 tm.tm_mon--;
868 rtc_start_datetime = mktimegm(&tm);
869 if (rtc_start_datetime == -1) {
870 date_fail:
871 error_report("invalid datetime format");
872 error_printf("valid formats: "
873 "'2006-06-17T16:01:21' or '2006-06-17'\n");
874 exit(1);
875 }
876 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
877 rtc_ref_start_datetime = rtc_start_datetime;
878 }
879
880 static void configure_rtc(QemuOpts *opts)
881 {
882 const char *value;
883
884 /* Set defaults */
885 rtc_clock = QEMU_CLOCK_HOST;
886 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
887 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
888
889 value = qemu_opt_get(opts, "base");
890 if (value) {
891 if (!strcmp(value, "utc")) {
892 rtc_base_type = RTC_BASE_UTC;
893 } else if (!strcmp(value, "localtime")) {
894 Error *blocker = NULL;
895 rtc_base_type = RTC_BASE_LOCALTIME;
896 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
897 "-rtc base=localtime");
898 replay_add_blocker(blocker);
899 } else {
900 rtc_base_type = RTC_BASE_DATETIME;
901 configure_rtc_base_datetime(value);
902 }
903 }
904 value = qemu_opt_get(opts, "clock");
905 if (value) {
906 if (!strcmp(value, "host")) {
907 rtc_clock = QEMU_CLOCK_HOST;
908 } else if (!strcmp(value, "rt")) {
909 rtc_clock = QEMU_CLOCK_REALTIME;
910 } else if (!strcmp(value, "vm")) {
911 rtc_clock = QEMU_CLOCK_VIRTUAL;
912 } else {
913 error_report("invalid option value '%s'", value);
914 exit(1);
915 }
916 }
917 value = qemu_opt_get(opts, "driftfix");
918 if (value) {
919 if (!strcmp(value, "slew")) {
920 static GlobalProperty slew_lost_ticks = {
921 .driver = "mc146818rtc",
922 .property = "lost_tick_policy",
923 .value = "slew",
924 };
925
926 qdev_prop_register_global(&slew_lost_ticks);
927 } else if (!strcmp(value, "none")) {
928 /* discard is default */
929 } else {
930 error_report("invalid option value '%s'", value);
931 exit(1);
932 }
933 }
934 }
935
936 /***********************************************************/
937 /* Bluetooth support */
938 static int nb_hcis;
939 static int cur_hci;
940 static struct HCIInfo *hci_table[MAX_NICS];
941
942 struct HCIInfo *qemu_next_hci(void)
943 {
944 if (cur_hci == nb_hcis)
945 return &null_hci;
946
947 return hci_table[cur_hci++];
948 }
949
950 static int bt_hci_parse(const char *str)
951 {
952 struct HCIInfo *hci;
953 bdaddr_t bdaddr;
954
955 if (nb_hcis >= MAX_NICS) {
956 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
957 return -1;
958 }
959
960 hci = hci_init(str);
961 if (!hci)
962 return -1;
963
964 bdaddr.b[0] = 0x52;
965 bdaddr.b[1] = 0x54;
966 bdaddr.b[2] = 0x00;
967 bdaddr.b[3] = 0x12;
968 bdaddr.b[4] = 0x34;
969 bdaddr.b[5] = 0x56 + nb_hcis;
970 hci->bdaddr_set(hci, bdaddr.b);
971
972 hci_table[nb_hcis++] = hci;
973
974 return 0;
975 }
976
977 static void bt_vhci_add(int vlan_id)
978 {
979 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
980
981 if (!vlan->slave)
982 warn_report("adding a VHCI to an empty scatternet %i",
983 vlan_id);
984
985 bt_vhci_init(bt_new_hci(vlan));
986 }
987
988 static struct bt_device_s *bt_device_add(const char *opt)
989 {
990 struct bt_scatternet_s *vlan;
991 int vlan_id = 0;
992 char *endp = strstr(opt, ",vlan=");
993 int len = (endp ? endp - opt : strlen(opt)) + 1;
994 char devname[10];
995
996 pstrcpy(devname, MIN(sizeof(devname), len), opt);
997
998 if (endp) {
999 vlan_id = strtol(endp + 6, &endp, 0);
1000 if (*endp) {
1001 error_report("unrecognised bluetooth vlan Id");
1002 return 0;
1003 }
1004 }
1005
1006 vlan = qemu_find_bt_vlan(vlan_id);
1007
1008 if (!vlan->slave)
1009 warn_report("adding a slave device to an empty scatternet %i",
1010 vlan_id);
1011
1012 if (!strcmp(devname, "keyboard"))
1013 return bt_keyboard_init(vlan);
1014
1015 error_report("unsupported bluetooth device '%s'", devname);
1016 return 0;
1017 }
1018
1019 static int bt_parse(const char *opt)
1020 {
1021 const char *endp, *p;
1022 int vlan;
1023
1024 if (strstart(opt, "hci", &endp)) {
1025 if (!*endp || *endp == ',') {
1026 if (*endp)
1027 if (!strstart(endp, ",vlan=", 0))
1028 opt = endp + 1;
1029
1030 return bt_hci_parse(opt);
1031 }
1032 } else if (strstart(opt, "vhci", &endp)) {
1033 if (!*endp || *endp == ',') {
1034 if (*endp) {
1035 if (strstart(endp, ",vlan=", &p)) {
1036 vlan = strtol(p, (char **) &endp, 0);
1037 if (*endp) {
1038 error_report("bad scatternet '%s'", p);
1039 return 1;
1040 }
1041 } else {
1042 error_report("bad parameter '%s'", endp + 1);
1043 return 1;
1044 }
1045 } else
1046 vlan = 0;
1047
1048 bt_vhci_add(vlan);
1049 return 0;
1050 }
1051 } else if (strstart(opt, "device:", &endp))
1052 return !bt_device_add(endp);
1053
1054 error_report("bad bluetooth parameter '%s'", opt);
1055 return 1;
1056 }
1057
1058 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1059 {
1060 const char *proc_name;
1061
1062 if (qemu_opt_get(opts, "debug-threads")) {
1063 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1064 }
1065 qemu_name = qemu_opt_get(opts, "guest");
1066
1067 proc_name = qemu_opt_get(opts, "process");
1068 if (proc_name) {
1069 os_set_proc_name(proc_name);
1070 }
1071
1072 return 0;
1073 }
1074
1075 bool defaults_enabled(void)
1076 {
1077 return has_defaults;
1078 }
1079
1080 #ifndef _WIN32
1081 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 {
1083 int fd, dupfd, flags;
1084 int64_t fdset_id;
1085 const char *fd_opaque = NULL;
1086 AddfdInfo *fdinfo;
1087
1088 fd = qemu_opt_get_number(opts, "fd", -1);
1089 fdset_id = qemu_opt_get_number(opts, "set", -1);
1090 fd_opaque = qemu_opt_get(opts, "opaque");
1091
1092 if (fd < 0) {
1093 error_setg(errp, "fd option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 if (fd <= STDERR_FILENO) {
1098 error_setg(errp, "fd cannot be a standard I/O stream");
1099 return -1;
1100 }
1101
1102 /*
1103 * All fds inherited across exec() necessarily have FD_CLOEXEC
1104 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 */
1106 flags = fcntl(fd, F_GETFD);
1107 if (flags == -1 || (flags & FD_CLOEXEC)) {
1108 error_setg(errp, "fd is not valid or already in use");
1109 return -1;
1110 }
1111
1112 if (fdset_id < 0) {
1113 error_setg(errp, "set option is required and must be non-negative");
1114 return -1;
1115 }
1116
1117 #ifdef F_DUPFD_CLOEXEC
1118 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1119 #else
1120 dupfd = dup(fd);
1121 if (dupfd != -1) {
1122 qemu_set_cloexec(dupfd);
1123 }
1124 #endif
1125 if (dupfd == -1) {
1126 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1127 return -1;
1128 }
1129
1130 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1131 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1132 &error_abort);
1133 g_free(fdinfo);
1134
1135 return 0;
1136 }
1137
1138 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 int fd;
1141
1142 fd = qemu_opt_get_number(opts, "fd", -1);
1143 close(fd);
1144
1145 return 0;
1146 }
1147 #endif
1148
1149 /***********************************************************/
1150 /* QEMU Block devices */
1151
1152 #define HD_OPTS "media=disk"
1153 #define CDROM_OPTS "media=cdrom"
1154 #define FD_OPTS ""
1155 #define PFLASH_OPTS ""
1156 #define MTD_OPTS ""
1157 #define SD_OPTS ""
1158
1159 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 BlockInterfaceType *block_default_type = opaque;
1162
1163 return drive_new(opts, *block_default_type, errp) == NULL;
1164 }
1165
1166 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 {
1168 if (qemu_opt_get(opts, "snapshot") == NULL) {
1169 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1170 }
1171 return 0;
1172 }
1173
1174 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1175 int index, const char *optstr)
1176 {
1177 QemuOpts *opts;
1178 DriveInfo *dinfo;
1179
1180 if (!enable || drive_get_by_index(type, index)) {
1181 return;
1182 }
1183
1184 opts = drive_add(type, index, NULL, optstr);
1185 if (snapshot) {
1186 drive_enable_snapshot(NULL, opts, NULL);
1187 }
1188
1189 dinfo = drive_new(opts, type, &error_abort);
1190 dinfo->is_default = true;
1191
1192 }
1193
1194 typedef struct BlockdevOptionsQueueEntry {
1195 BlockdevOptions *bdo;
1196 Location loc;
1197 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1198 } BlockdevOptionsQueueEntry;
1199
1200 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1201
1202 static QemuOptsList qemu_smp_opts = {
1203 .name = "smp-opts",
1204 .implied_opt_name = "cpus",
1205 .merge_lists = true,
1206 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1207 .desc = {
1208 {
1209 .name = "cpus",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "sockets",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "cores",
1216 .type = QEMU_OPT_NUMBER,
1217 }, {
1218 .name = "threads",
1219 .type = QEMU_OPT_NUMBER,
1220 }, {
1221 .name = "maxcpus",
1222 .type = QEMU_OPT_NUMBER,
1223 },
1224 { /*End of list */ }
1225 },
1226 };
1227
1228 static void smp_parse(QemuOpts *opts)
1229 {
1230 if (opts) {
1231 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1232 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1233 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1234 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1235
1236 /* compute missing values, prefer sockets over cores over threads */
1237 if (cpus == 0 || sockets == 0) {
1238 cores = cores > 0 ? cores : 1;
1239 threads = threads > 0 ? threads : 1;
1240 if (cpus == 0) {
1241 sockets = sockets > 0 ? sockets : 1;
1242 cpus = cores * threads * sockets;
1243 } else {
1244 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1245 sockets = max_cpus / (cores * threads);
1246 }
1247 } else if (cores == 0) {
1248 threads = threads > 0 ? threads : 1;
1249 cores = cpus / (sockets * threads);
1250 cores = cores > 0 ? cores : 1;
1251 } else if (threads == 0) {
1252 threads = cpus / (cores * sockets);
1253 threads = threads > 0 ? threads : 1;
1254 } else if (sockets * cores * threads < cpus) {
1255 error_report("cpu topology: "
1256 "sockets (%u) * cores (%u) * threads (%u) < "
1257 "smp_cpus (%u)",
1258 sockets, cores, threads, cpus);
1259 exit(1);
1260 }
1261
1262 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1263
1264 if (max_cpus < cpus) {
1265 error_report("maxcpus must be equal to or greater than smp");
1266 exit(1);
1267 }
1268
1269 if (sockets * cores * threads > max_cpus) {
1270 error_report("cpu topology: "
1271 "sockets (%u) * cores (%u) * threads (%u) > "
1272 "maxcpus (%u)",
1273 sockets, cores, threads, max_cpus);
1274 exit(1);
1275 }
1276
1277 if (sockets * cores * threads != max_cpus) {
1278 warn_report("Invalid CPU topology deprecated: "
1279 "sockets (%u) * cores (%u) * threads (%u) "
1280 "!= maxcpus (%u)",
1281 sockets, cores, threads, max_cpus);
1282 }
1283
1284 smp_cpus = cpus;
1285 smp_cores = cores;
1286 smp_threads = threads;
1287 }
1288
1289 if (smp_cpus > 1) {
1290 Error *blocker = NULL;
1291 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1292 replay_add_blocker(blocker);
1293 }
1294 }
1295
1296 static void realtime_init(void)
1297 {
1298 if (enable_mlock) {
1299 if (os_mlock() < 0) {
1300 error_report("locking memory failed");
1301 exit(1);
1302 }
1303 }
1304 }
1305
1306
1307 static void configure_msg(QemuOpts *opts)
1308 {
1309 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1310 }
1311
1312 /***********************************************************/
1313 /* Semihosting */
1314
1315 typedef struct SemihostingConfig {
1316 bool enabled;
1317 SemihostingTarget target;
1318 const char **argv;
1319 int argc;
1320 const char *cmdline; /* concatenated argv */
1321 } SemihostingConfig;
1322
1323 static SemihostingConfig semihosting;
1324
1325 bool semihosting_enabled(void)
1326 {
1327 return semihosting.enabled;
1328 }
1329
1330 SemihostingTarget semihosting_get_target(void)
1331 {
1332 return semihosting.target;
1333 }
1334
1335 const char *semihosting_get_arg(int i)
1336 {
1337 if (i >= semihosting.argc) {
1338 return NULL;
1339 }
1340 return semihosting.argv[i];
1341 }
1342
1343 int semihosting_get_argc(void)
1344 {
1345 return semihosting.argc;
1346 }
1347
1348 const char *semihosting_get_cmdline(void)
1349 {
1350 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1351 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1352 }
1353 return semihosting.cmdline;
1354 }
1355
1356 static int add_semihosting_arg(void *opaque,
1357 const char *name, const char *val,
1358 Error **errp)
1359 {
1360 SemihostingConfig *s = opaque;
1361 if (strcmp(name, "arg") == 0) {
1362 s->argc++;
1363 /* one extra element as g_strjoinv() expects NULL-terminated array */
1364 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1365 s->argv[s->argc - 1] = val;
1366 s->argv[s->argc] = NULL;
1367 }
1368 return 0;
1369 }
1370
1371 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1372 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1373 {
1374 char *cmd_token;
1375
1376 /* argv[0] */
1377 add_semihosting_arg(&semihosting, "arg", file, NULL);
1378
1379 /* split -append and initialize argv[1..n] */
1380 cmd_token = strtok(g_strdup(cmd), " ");
1381 while (cmd_token) {
1382 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1383 cmd_token = strtok(NULL, " ");
1384 }
1385 }
1386
1387 /* Now we still need this for compatibility with XEN. */
1388 bool has_igd_gfx_passthru;
1389 static void igd_gfx_passthru(void)
1390 {
1391 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1392 }
1393
1394 /***********************************************************/
1395 /* USB devices */
1396
1397 static int usb_device_add(const char *devname)
1398 {
1399 USBDevice *dev = NULL;
1400
1401 if (!machine_usb(current_machine)) {
1402 return -1;
1403 }
1404
1405 dev = usbdevice_create(devname);
1406 if (!dev)
1407 return -1;
1408
1409 return 0;
1410 }
1411
1412 static int usb_parse(const char *cmdline)
1413 {
1414 int r;
1415 r = usb_device_add(cmdline);
1416 if (r < 0) {
1417 error_report("could not add USB device '%s'", cmdline);
1418 }
1419 return r;
1420 }
1421
1422 /***********************************************************/
1423 /* machine registration */
1424
1425 MachineState *current_machine;
1426
1427 static MachineClass *find_machine(const char *name)
1428 {
1429 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1430 MachineClass *mc = NULL;
1431
1432 for (el = machines; el; el = el->next) {
1433 MachineClass *temp = el->data;
1434
1435 if (!strcmp(temp->name, name)) {
1436 mc = temp;
1437 break;
1438 }
1439 if (temp->alias &&
1440 !strcmp(temp->alias, name)) {
1441 mc = temp;
1442 break;
1443 }
1444 }
1445
1446 g_slist_free(machines);
1447 return mc;
1448 }
1449
1450 MachineClass *find_default_machine(void)
1451 {
1452 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1453 MachineClass *mc = NULL;
1454
1455 for (el = machines; el; el = el->next) {
1456 MachineClass *temp = el->data;
1457
1458 if (temp->is_default) {
1459 mc = temp;
1460 break;
1461 }
1462 }
1463
1464 g_slist_free(machines);
1465 return mc;
1466 }
1467
1468 MachineInfoList *qmp_query_machines(Error **errp)
1469 {
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineInfoList *mach_list = NULL;
1472
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *mc = el->data;
1475 MachineInfoList *entry;
1476 MachineInfo *info;
1477
1478 info = g_malloc0(sizeof(*info));
1479 if (mc->is_default) {
1480 info->has_is_default = true;
1481 info->is_default = true;
1482 }
1483
1484 if (mc->alias) {
1485 info->has_alias = true;
1486 info->alias = g_strdup(mc->alias);
1487 }
1488
1489 info->name = g_strdup(mc->name);
1490 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1491 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1492
1493 entry = g_malloc0(sizeof(*entry));
1494 entry->value = info;
1495 entry->next = mach_list;
1496 mach_list = entry;
1497 }
1498
1499 g_slist_free(machines);
1500 return mach_list;
1501 }
1502
1503 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1504 {
1505 ObjectProperty *prop;
1506 ObjectPropertyIterator iter;
1507
1508 if (!qemu_opt_has_help_opt(opts)) {
1509 return 0;
1510 }
1511
1512 object_property_iter_init(&iter, OBJECT(machine));
1513 while ((prop = object_property_iter_next(&iter))) {
1514 if (!prop->set) {
1515 continue;
1516 }
1517
1518 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1519 prop->name, prop->type);
1520 if (prop->description) {
1521 error_printf(" (%s)\n", prop->description);
1522 } else {
1523 error_printf("\n");
1524 }
1525 }
1526
1527 return 1;
1528 }
1529
1530 struct vm_change_state_entry {
1531 VMChangeStateHandler *cb;
1532 void *opaque;
1533 QLIST_ENTRY (vm_change_state_entry) entries;
1534 };
1535
1536 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1537
1538 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1539 void *opaque)
1540 {
1541 VMChangeStateEntry *e;
1542
1543 e = g_malloc0(sizeof (*e));
1544
1545 e->cb = cb;
1546 e->opaque = opaque;
1547 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1548 return e;
1549 }
1550
1551 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1552 {
1553 QLIST_REMOVE (e, entries);
1554 g_free (e);
1555 }
1556
1557 void vm_state_notify(int running, RunState state)
1558 {
1559 VMChangeStateEntry *e, *next;
1560
1561 trace_vm_state_notify(running, state, RunState_str(state));
1562
1563 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1564 e->cb(e->opaque, running, state);
1565 }
1566 }
1567
1568 static ShutdownCause reset_requested;
1569 static ShutdownCause shutdown_requested;
1570 static int shutdown_signal;
1571 static pid_t shutdown_pid;
1572 static int powerdown_requested;
1573 static int debug_requested;
1574 static int suspend_requested;
1575 static bool preconfig_exit_requested = true;
1576 static WakeupReason wakeup_reason;
1577 static NotifierList powerdown_notifiers =
1578 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1579 static NotifierList suspend_notifiers =
1580 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1581 static NotifierList wakeup_notifiers =
1582 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1583 static NotifierList shutdown_notifiers =
1584 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1585 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1586
1587 ShutdownCause qemu_shutdown_requested_get(void)
1588 {
1589 return shutdown_requested;
1590 }
1591
1592 ShutdownCause qemu_reset_requested_get(void)
1593 {
1594 return reset_requested;
1595 }
1596
1597 static int qemu_shutdown_requested(void)
1598 {
1599 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1600 }
1601
1602 static void qemu_kill_report(void)
1603 {
1604 if (!qtest_driver() && shutdown_signal) {
1605 if (shutdown_pid == 0) {
1606 /* This happens for eg ^C at the terminal, so it's worth
1607 * avoiding printing an odd message in that case.
1608 */
1609 error_report("terminating on signal %d", shutdown_signal);
1610 } else {
1611 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1612
1613 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1614 shutdown_signal, shutdown_pid,
1615 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1616 g_free(shutdown_cmd);
1617 }
1618 shutdown_signal = 0;
1619 }
1620 }
1621
1622 static ShutdownCause qemu_reset_requested(void)
1623 {
1624 ShutdownCause r = reset_requested;
1625
1626 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1627 reset_requested = SHUTDOWN_CAUSE_NONE;
1628 return r;
1629 }
1630 return SHUTDOWN_CAUSE_NONE;
1631 }
1632
1633 static int qemu_suspend_requested(void)
1634 {
1635 int r = suspend_requested;
1636 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1637 suspend_requested = 0;
1638 return r;
1639 }
1640 return false;
1641 }
1642
1643 static WakeupReason qemu_wakeup_requested(void)
1644 {
1645 return wakeup_reason;
1646 }
1647
1648 static int qemu_powerdown_requested(void)
1649 {
1650 int r = powerdown_requested;
1651 powerdown_requested = 0;
1652 return r;
1653 }
1654
1655 static int qemu_debug_requested(void)
1656 {
1657 int r = debug_requested;
1658 debug_requested = 0;
1659 return r;
1660 }
1661
1662 void qemu_exit_preconfig_request(void)
1663 {
1664 preconfig_exit_requested = true;
1665 }
1666
1667 /*
1668 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1669 */
1670 void qemu_system_reset(ShutdownCause reason)
1671 {
1672 MachineClass *mc;
1673
1674 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1675
1676 cpu_synchronize_all_states();
1677
1678 if (mc && mc->reset) {
1679 mc->reset();
1680 } else {
1681 qemu_devices_reset();
1682 }
1683 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1684 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1685 }
1686 cpu_synchronize_all_post_reset();
1687 }
1688
1689 void qemu_system_guest_panicked(GuestPanicInformation *info)
1690 {
1691 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1692
1693 if (current_cpu) {
1694 current_cpu->crash_occurred = true;
1695 }
1696 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1697 !!info, info);
1698 vm_stop(RUN_STATE_GUEST_PANICKED);
1699 if (!no_shutdown) {
1700 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1701 !!info, info);
1702 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1703 }
1704
1705 if (info) {
1706 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1707 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1708 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1709 info->u.hyper_v.arg1,
1710 info->u.hyper_v.arg2,
1711 info->u.hyper_v.arg3,
1712 info->u.hyper_v.arg4,
1713 info->u.hyper_v.arg5);
1714 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1715 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1716 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1717 info->u.s390.core,
1718 S390CrashReason_str(info->u.s390.reason),
1719 info->u.s390.psw_mask,
1720 info->u.s390.psw_addr);
1721 }
1722 qapi_free_GuestPanicInformation(info);
1723 }
1724 }
1725
1726 void qemu_system_reset_request(ShutdownCause reason)
1727 {
1728 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1729 shutdown_requested = reason;
1730 } else {
1731 reset_requested = reason;
1732 }
1733 cpu_stop_current();
1734 qemu_notify_event();
1735 }
1736
1737 static void qemu_system_suspend(void)
1738 {
1739 pause_all_vcpus();
1740 notifier_list_notify(&suspend_notifiers, NULL);
1741 runstate_set(RUN_STATE_SUSPENDED);
1742 qapi_event_send_suspend();
1743 }
1744
1745 void qemu_system_suspend_request(void)
1746 {
1747 if (runstate_check(RUN_STATE_SUSPENDED)) {
1748 return;
1749 }
1750 suspend_requested = 1;
1751 cpu_stop_current();
1752 qemu_notify_event();
1753 }
1754
1755 void qemu_register_suspend_notifier(Notifier *notifier)
1756 {
1757 notifier_list_add(&suspend_notifiers, notifier);
1758 }
1759
1760 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1761 {
1762 trace_system_wakeup_request(reason);
1763
1764 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1765 error_setg(errp,
1766 "Unable to wake up: guest is not in suspended state");
1767 return;
1768 }
1769 if (!(wakeup_reason_mask & (1 << reason))) {
1770 return;
1771 }
1772 runstate_set(RUN_STATE_RUNNING);
1773 wakeup_reason = reason;
1774 qemu_notify_event();
1775 }
1776
1777 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1778 {
1779 if (enabled) {
1780 wakeup_reason_mask |= (1 << reason);
1781 } else {
1782 wakeup_reason_mask &= ~(1 << reason);
1783 }
1784 }
1785
1786 void qemu_register_wakeup_notifier(Notifier *notifier)
1787 {
1788 notifier_list_add(&wakeup_notifiers, notifier);
1789 }
1790
1791 void qemu_register_wakeup_support(void)
1792 {
1793 wakeup_suspend_enabled = true;
1794 }
1795
1796 bool qemu_wakeup_suspend_enabled(void)
1797 {
1798 return wakeup_suspend_enabled;
1799 }
1800
1801 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1802 {
1803 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1804 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1805
1806 return params;
1807 }
1808
1809 void qemu_system_killed(int signal, pid_t pid)
1810 {
1811 shutdown_signal = signal;
1812 shutdown_pid = pid;
1813 no_shutdown = 0;
1814
1815 /* Cannot call qemu_system_shutdown_request directly because
1816 * we are in a signal handler.
1817 */
1818 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1819 qemu_notify_event();
1820 }
1821
1822 void qemu_system_shutdown_request(ShutdownCause reason)
1823 {
1824 trace_qemu_system_shutdown_request(reason);
1825 replay_shutdown_request(reason);
1826 shutdown_requested = reason;
1827 qemu_notify_event();
1828 }
1829
1830 static void qemu_system_powerdown(void)
1831 {
1832 qapi_event_send_powerdown();
1833 notifier_list_notify(&powerdown_notifiers, NULL);
1834 }
1835
1836 static void qemu_system_shutdown(ShutdownCause cause)
1837 {
1838 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1839 notifier_list_notify(&shutdown_notifiers, &cause);
1840 }
1841
1842 void qemu_system_powerdown_request(void)
1843 {
1844 trace_qemu_system_powerdown_request();
1845 powerdown_requested = 1;
1846 qemu_notify_event();
1847 }
1848
1849 void qemu_register_powerdown_notifier(Notifier *notifier)
1850 {
1851 notifier_list_add(&powerdown_notifiers, notifier);
1852 }
1853
1854 void qemu_register_shutdown_notifier(Notifier *notifier)
1855 {
1856 notifier_list_add(&shutdown_notifiers, notifier);
1857 }
1858
1859 void qemu_system_debug_request(void)
1860 {
1861 debug_requested = 1;
1862 qemu_notify_event();
1863 }
1864
1865 static bool main_loop_should_exit(void)
1866 {
1867 RunState r;
1868 ShutdownCause request;
1869
1870 if (preconfig_exit_requested) {
1871 if (runstate_check(RUN_STATE_PRECONFIG)) {
1872 runstate_set(RUN_STATE_PRELAUNCH);
1873 }
1874 preconfig_exit_requested = false;
1875 return true;
1876 }
1877 if (qemu_debug_requested()) {
1878 vm_stop(RUN_STATE_DEBUG);
1879 }
1880 if (qemu_suspend_requested()) {
1881 qemu_system_suspend();
1882 }
1883 request = qemu_shutdown_requested();
1884 if (request) {
1885 qemu_kill_report();
1886 qemu_system_shutdown(request);
1887 if (no_shutdown) {
1888 vm_stop(RUN_STATE_SHUTDOWN);
1889 } else {
1890 return true;
1891 }
1892 }
1893 request = qemu_reset_requested();
1894 if (request) {
1895 pause_all_vcpus();
1896 qemu_system_reset(request);
1897 resume_all_vcpus();
1898 if (!runstate_check(RUN_STATE_RUNNING) &&
1899 !runstate_check(RUN_STATE_INMIGRATE)) {
1900 runstate_set(RUN_STATE_PRELAUNCH);
1901 }
1902 }
1903 if (qemu_wakeup_requested()) {
1904 pause_all_vcpus();
1905 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1906 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1907 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1908 resume_all_vcpus();
1909 qapi_event_send_wakeup();
1910 }
1911 if (qemu_powerdown_requested()) {
1912 qemu_system_powerdown();
1913 }
1914 if (qemu_vmstop_requested(&r)) {
1915 vm_stop(r);
1916 }
1917 return false;
1918 }
1919
1920 static void main_loop(void)
1921 {
1922 #ifdef CONFIG_PROFILER
1923 int64_t ti;
1924 #endif
1925 while (!main_loop_should_exit()) {
1926 #ifdef CONFIG_PROFILER
1927 ti = profile_getclock();
1928 #endif
1929 main_loop_wait(false);
1930 #ifdef CONFIG_PROFILER
1931 dev_time += profile_getclock() - ti;
1932 #endif
1933 }
1934 }
1935
1936 static void version(void)
1937 {
1938 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1939 QEMU_COPYRIGHT "\n");
1940 }
1941
1942 static void help(int exitcode)
1943 {
1944 version();
1945 printf("usage: %s [options] [disk_image]\n\n"
1946 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1947 error_get_progname());
1948
1949 #define QEMU_OPTIONS_GENERATE_HELP
1950 #include "qemu-options-wrapper.h"
1951
1952 printf("\nDuring emulation, the following keys are useful:\n"
1953 "ctrl-alt-f toggle full screen\n"
1954 "ctrl-alt-n switch to virtual console 'n'\n"
1955 "ctrl-alt toggle mouse and keyboard grab\n"
1956 "\n"
1957 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1958 "\n"
1959 QEMU_HELP_BOTTOM "\n");
1960
1961 exit(exitcode);
1962 }
1963
1964 #define HAS_ARG 0x0001
1965
1966 typedef struct QEMUOption {
1967 const char *name;
1968 int flags;
1969 int index;
1970 uint32_t arch_mask;
1971 } QEMUOption;
1972
1973 static const QEMUOption qemu_options[] = {
1974 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1975 #define QEMU_OPTIONS_GENERATE_OPTIONS
1976 #include "qemu-options-wrapper.h"
1977 { NULL },
1978 };
1979
1980 typedef struct VGAInterfaceInfo {
1981 const char *opt_name; /* option name */
1982 const char *name; /* human-readable name */
1983 /* Class names indicating that support is available.
1984 * If no class is specified, the interface is always available */
1985 const char *class_names[2];
1986 } VGAInterfaceInfo;
1987
1988 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1989 [VGA_NONE] = {
1990 .opt_name = "none",
1991 },
1992 [VGA_STD] = {
1993 .opt_name = "std",
1994 .name = "standard VGA",
1995 .class_names = { "VGA", "isa-vga" },
1996 },
1997 [VGA_CIRRUS] = {
1998 .opt_name = "cirrus",
1999 .name = "Cirrus VGA",
2000 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2001 },
2002 [VGA_VMWARE] = {
2003 .opt_name = "vmware",
2004 .name = "VMWare SVGA",
2005 .class_names = { "vmware-svga" },
2006 },
2007 [VGA_VIRTIO] = {
2008 .opt_name = "virtio",
2009 .name = "Virtio VGA",
2010 .class_names = { "virtio-vga" },
2011 },
2012 [VGA_QXL] = {
2013 .opt_name = "qxl",
2014 .name = "QXL VGA",
2015 .class_names = { "qxl-vga" },
2016 },
2017 [VGA_TCX] = {
2018 .opt_name = "tcx",
2019 .name = "TCX framebuffer",
2020 .class_names = { "SUNW,tcx" },
2021 },
2022 [VGA_CG3] = {
2023 .opt_name = "cg3",
2024 .name = "CG3 framebuffer",
2025 .class_names = { "cgthree" },
2026 },
2027 [VGA_XENFB] = {
2028 .opt_name = "xenfb",
2029 },
2030 };
2031
2032 static bool vga_interface_available(VGAInterfaceType t)
2033 {
2034 VGAInterfaceInfo *ti = &vga_interfaces[t];
2035
2036 assert(t < VGA_TYPE_MAX);
2037 return !ti->class_names[0] ||
2038 object_class_by_name(ti->class_names[0]) ||
2039 object_class_by_name(ti->class_names[1]);
2040 }
2041
2042 static void select_vgahw(const char *p)
2043 {
2044 const char *opts;
2045 int t;
2046
2047 assert(vga_interface_type == VGA_NONE);
2048 for (t = 0; t < VGA_TYPE_MAX; t++) {
2049 VGAInterfaceInfo *ti = &vga_interfaces[t];
2050 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2051 if (!vga_interface_available(t)) {
2052 error_report("%s not available", ti->name);
2053 exit(1);
2054 }
2055 vga_interface_type = t;
2056 break;
2057 }
2058 }
2059 if (t == VGA_TYPE_MAX) {
2060 invalid_vga:
2061 error_report("unknown vga type: %s", p);
2062 exit(1);
2063 }
2064 while (*opts) {
2065 const char *nextopt;
2066
2067 if (strstart(opts, ",retrace=", &nextopt)) {
2068 opts = nextopt;
2069 if (strstart(opts, "dumb", &nextopt))
2070 vga_retrace_method = VGA_RETRACE_DUMB;
2071 else if (strstart(opts, "precise", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_PRECISE;
2073 else goto invalid_vga;
2074 } else goto invalid_vga;
2075 opts = nextopt;
2076 }
2077 }
2078
2079 static void parse_display_qapi(const char *optarg)
2080 {
2081 DisplayOptions *opts;
2082 Visitor *v;
2083
2084 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2085
2086 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2087 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2088
2089 qapi_free_DisplayOptions(opts);
2090 visit_free(v);
2091 }
2092
2093 DisplayOptions *qmp_query_display_options(Error **errp)
2094 {
2095 return QAPI_CLONE(DisplayOptions, &dpy);
2096 }
2097
2098 static void parse_display(const char *p)
2099 {
2100 const char *opts;
2101
2102 if (strstart(p, "sdl", &opts)) {
2103 /*
2104 * sdl DisplayType needs hand-crafted parser instead of
2105 * parse_display_qapi() due to some options not in
2106 * DisplayOptions, specifically:
2107 * - frame
2108 * Already deprecated.
2109 * - ctrl_grab + alt_grab
2110 * Not clear yet what happens to them long-term. Should
2111 * replaced by something better or deprecated and dropped.
2112 */
2113 dpy.type = DISPLAY_TYPE_SDL;
2114 while (*opts) {
2115 const char *nextopt;
2116
2117 if (strstart(opts, ",alt_grab=", &nextopt)) {
2118 opts = nextopt;
2119 if (strstart(opts, "on", &nextopt)) {
2120 alt_grab = 1;
2121 } else if (strstart(opts, "off", &nextopt)) {
2122 alt_grab = 0;
2123 } else {
2124 goto invalid_sdl_args;
2125 }
2126 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2127 opts = nextopt;
2128 if (strstart(opts, "on", &nextopt)) {
2129 ctrl_grab = 1;
2130 } else if (strstart(opts, "off", &nextopt)) {
2131 ctrl_grab = 0;
2132 } else {
2133 goto invalid_sdl_args;
2134 }
2135 } else if (strstart(opts, ",window_close=", &nextopt)) {
2136 opts = nextopt;
2137 dpy.has_window_close = true;
2138 if (strstart(opts, "on", &nextopt)) {
2139 dpy.window_close = true;
2140 } else if (strstart(opts, "off", &nextopt)) {
2141 dpy.window_close = false;
2142 } else {
2143 goto invalid_sdl_args;
2144 }
2145 } else if (strstart(opts, ",gl=", &nextopt)) {
2146 opts = nextopt;
2147 dpy.has_gl = true;
2148 if (strstart(opts, "on", &nextopt)) {
2149 dpy.gl = DISPLAYGL_MODE_ON;
2150 } else if (strstart(opts, "core", &nextopt)) {
2151 dpy.gl = DISPLAYGL_MODE_CORE;
2152 } else if (strstart(opts, "es", &nextopt)) {
2153 dpy.gl = DISPLAYGL_MODE_ES;
2154 } else if (strstart(opts, "off", &nextopt)) {
2155 dpy.gl = DISPLAYGL_MODE_OFF;
2156 } else {
2157 goto invalid_sdl_args;
2158 }
2159 } else {
2160 invalid_sdl_args:
2161 error_report("invalid SDL option string");
2162 exit(1);
2163 }
2164 opts = nextopt;
2165 }
2166 } else if (strstart(p, "vnc", &opts)) {
2167 /*
2168 * vnc isn't a (local) DisplayType but a protocol for remote
2169 * display access.
2170 */
2171 if (*opts == '=') {
2172 vnc_parse(opts + 1, &error_fatal);
2173 } else {
2174 error_report("VNC requires a display argument vnc=<display>");
2175 exit(1);
2176 }
2177 } else {
2178 parse_display_qapi(p);
2179 }
2180 }
2181
2182 char *qemu_find_file(int type, const char *name)
2183 {
2184 int i;
2185 const char *subdir;
2186 char *buf;
2187
2188 /* Try the name as a straight path first */
2189 if (access(name, R_OK) == 0) {
2190 trace_load_file(name, name);
2191 return g_strdup(name);
2192 }
2193
2194 switch (type) {
2195 case QEMU_FILE_TYPE_BIOS:
2196 subdir = "";
2197 break;
2198 case QEMU_FILE_TYPE_KEYMAP:
2199 subdir = "keymaps/";
2200 break;
2201 default:
2202 abort();
2203 }
2204
2205 for (i = 0; i < data_dir_idx; i++) {
2206 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2207 if (access(buf, R_OK) == 0) {
2208 trace_load_file(name, buf);
2209 return buf;
2210 }
2211 g_free(buf);
2212 }
2213 return NULL;
2214 }
2215
2216 static void qemu_add_data_dir(const char *path)
2217 {
2218 int i;
2219
2220 if (path == NULL) {
2221 return;
2222 }
2223 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2224 return;
2225 }
2226 for (i = 0; i < data_dir_idx; i++) {
2227 if (strcmp(data_dir[i], path) == 0) {
2228 return; /* duplicate */
2229 }
2230 }
2231 data_dir[data_dir_idx++] = g_strdup(path);
2232 }
2233
2234 static inline bool nonempty_str(const char *str)
2235 {
2236 return str && *str;
2237 }
2238
2239 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2240 {
2241 gchar *buf;
2242 size_t size;
2243 const char *name, *file, *str;
2244 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2245
2246 if (fw_cfg == NULL) {
2247 error_setg(errp, "fw_cfg device not available");
2248 return -1;
2249 }
2250 name = qemu_opt_get(opts, "name");
2251 file = qemu_opt_get(opts, "file");
2252 str = qemu_opt_get(opts, "string");
2253
2254 /* we need name and either a file or the content string */
2255 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2256 error_setg(errp, "invalid argument(s)");
2257 return -1;
2258 }
2259 if (nonempty_str(file) && nonempty_str(str)) {
2260 error_setg(errp, "file and string are mutually exclusive");
2261 return -1;
2262 }
2263 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2264 error_setg(errp, "name too long (max. %d char)",
2265 FW_CFG_MAX_FILE_PATH - 1);
2266 return -1;
2267 }
2268 if (strncmp(name, "opt/", 4) != 0) {
2269 warn_report("externally provided fw_cfg item names "
2270 "should be prefixed with \"opt/\"");
2271 }
2272 if (nonempty_str(str)) {
2273 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2274 buf = g_memdup(str, size);
2275 } else {
2276 GError *err = NULL;
2277 if (!g_file_get_contents(file, &buf, &size, &err)) {
2278 error_setg(errp, "can't load %s: %s", file, err->message);
2279 g_error_free(err);
2280 return -1;
2281 }
2282 }
2283 /* For legacy, keep user files in a specific global order. */
2284 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2285 fw_cfg_add_file(fw_cfg, name, buf, size);
2286 fw_cfg_reset_order_override(fw_cfg);
2287 return 0;
2288 }
2289
2290 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 return qdev_device_help(opts);
2293 }
2294
2295 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 DeviceState *dev;
2298
2299 dev = qdev_device_add(opts, errp);
2300 if (!dev) {
2301 return -1;
2302 }
2303 object_unref(OBJECT(dev));
2304 return 0;
2305 }
2306
2307 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2308 {
2309 Error *local_err = NULL;
2310
2311 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2312 if (local_err) {
2313 error_propagate(errp, local_err);
2314 return -1;
2315 }
2316 exit(0);
2317 }
2318 return 0;
2319 }
2320
2321 #ifdef CONFIG_VIRTFS
2322 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2323 {
2324 return qemu_fsdev_add(opts, errp);
2325 }
2326 #endif
2327
2328 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 Chardev *chr;
2331 const char *chardev;
2332 const char *mode;
2333 int flags;
2334
2335 mode = qemu_opt_get(opts, "mode");
2336 if (mode == NULL) {
2337 mode = "readline";
2338 }
2339 if (strcmp(mode, "readline") == 0) {
2340 flags = MONITOR_USE_READLINE;
2341 } else if (strcmp(mode, "control") == 0) {
2342 flags = MONITOR_USE_CONTROL;
2343 } else {
2344 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2345 return -1;
2346 }
2347
2348 if (qemu_opt_get_bool(opts, "pretty", 0))
2349 flags |= MONITOR_USE_PRETTY;
2350
2351 chardev = qemu_opt_get(opts, "chardev");
2352 if (!chardev) {
2353 error_report("chardev is required");
2354 exit(1);
2355 }
2356 chr = qemu_chr_find(chardev);
2357 if (chr == NULL) {
2358 error_setg(errp, "chardev \"%s\" not found", chardev);
2359 return -1;
2360 }
2361
2362 monitor_init(chr, flags);
2363 return 0;
2364 }
2365
2366 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2367 {
2368 static int monitor_device_index = 0;
2369 QemuOpts *opts;
2370 const char *p;
2371 char label[32];
2372
2373 if (strstart(optarg, "chardev:", &p)) {
2374 snprintf(label, sizeof(label), "%s", p);
2375 } else {
2376 snprintf(label, sizeof(label), "compat_monitor%d",
2377 monitor_device_index);
2378 opts = qemu_chr_parse_compat(label, optarg, true);
2379 if (!opts) {
2380 error_report("parse error: %s", optarg);
2381 exit(1);
2382 }
2383 }
2384
2385 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2386 qemu_opt_set(opts, "mode", mode, &error_abort);
2387 qemu_opt_set(opts, "chardev", label, &error_abort);
2388 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2389 monitor_device_index++;
2390 }
2391
2392 struct device_config {
2393 enum {
2394 DEV_USB, /* -usbdevice */
2395 DEV_BT, /* -bt */
2396 DEV_SERIAL, /* -serial */
2397 DEV_PARALLEL, /* -parallel */
2398 DEV_DEBUGCON, /* -debugcon */
2399 DEV_GDB, /* -gdb, -s */
2400 DEV_SCLP, /* s390 sclp */
2401 } type;
2402 const char *cmdline;
2403 Location loc;
2404 QTAILQ_ENTRY(device_config) next;
2405 };
2406
2407 static QTAILQ_HEAD(, device_config) device_configs =
2408 QTAILQ_HEAD_INITIALIZER(device_configs);
2409
2410 static void add_device_config(int type, const char *cmdline)
2411 {
2412 struct device_config *conf;
2413
2414 conf = g_malloc0(sizeof(*conf));
2415 conf->type = type;
2416 conf->cmdline = cmdline;
2417 loc_save(&conf->loc);
2418 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2419 }
2420
2421 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2422 {
2423 struct device_config *conf;
2424 int rc;
2425
2426 QTAILQ_FOREACH(conf, &device_configs, next) {
2427 if (conf->type != type)
2428 continue;
2429 loc_push_restore(&conf->loc);
2430 rc = func(conf->cmdline);
2431 loc_pop(&conf->loc);
2432 if (rc) {
2433 return rc;
2434 }
2435 }
2436 return 0;
2437 }
2438
2439 static int serial_parse(const char *devname)
2440 {
2441 int index = num_serial_hds;
2442 char label[32];
2443
2444 if (strcmp(devname, "none") == 0)
2445 return 0;
2446 snprintf(label, sizeof(label), "serial%d", index);
2447 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2448
2449 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2450 if (!serial_hds[index]) {
2451 error_report("could not connect serial device"
2452 " to character backend '%s'", devname);
2453 return -1;
2454 }
2455 num_serial_hds++;
2456 return 0;
2457 }
2458
2459 Chardev *serial_hd(int i)
2460 {
2461 assert(i >= 0);
2462 if (i < num_serial_hds) {
2463 return serial_hds[i];
2464 }
2465 return NULL;
2466 }
2467
2468 int serial_max_hds(void)
2469 {
2470 return num_serial_hds;
2471 }
2472
2473 static int parallel_parse(const char *devname)
2474 {
2475 static int index = 0;
2476 char label[32];
2477
2478 if (strcmp(devname, "none") == 0)
2479 return 0;
2480 if (index == MAX_PARALLEL_PORTS) {
2481 error_report("too many parallel ports");
2482 exit(1);
2483 }
2484 snprintf(label, sizeof(label), "parallel%d", index);
2485 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2486 if (!parallel_hds[index]) {
2487 error_report("could not connect parallel device"
2488 " to character backend '%s'", devname);
2489 return -1;
2490 }
2491 index++;
2492 return 0;
2493 }
2494
2495 static int debugcon_parse(const char *devname)
2496 {
2497 QemuOpts *opts;
2498
2499 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2500 error_report("invalid character backend '%s'", devname);
2501 exit(1);
2502 }
2503 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2504 if (!opts) {
2505 error_report("already have a debugcon device");
2506 exit(1);
2507 }
2508 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2509 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2510 return 0;
2511 }
2512
2513 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2514 {
2515 const MachineClass *mc1 = a, *mc2 = b;
2516 int res;
2517
2518 if (mc1->family == NULL) {
2519 if (mc2->family == NULL) {
2520 /* Compare standalone machine types against each other; they sort
2521 * in increasing order.
2522 */
2523 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2524 object_class_get_name(OBJECT_CLASS(mc2)));
2525 }
2526
2527 /* Standalone machine types sort after families. */
2528 return 1;
2529 }
2530
2531 if (mc2->family == NULL) {
2532 /* Families sort before standalone machine types. */
2533 return -1;
2534 }
2535
2536 /* Families sort between each other alphabetically increasingly. */
2537 res = strcmp(mc1->family, mc2->family);
2538 if (res != 0) {
2539 return res;
2540 }
2541
2542 /* Within the same family, machine types sort in decreasing order. */
2543 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2544 object_class_get_name(OBJECT_CLASS(mc1)));
2545 }
2546
2547 static MachineClass *machine_parse(const char *name)
2548 {
2549 MachineClass *mc = NULL;
2550 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2551
2552 if (name) {
2553 mc = find_machine(name);
2554 }
2555 if (mc) {
2556 g_slist_free(machines);
2557 return mc;
2558 }
2559 if (name && !is_help_option(name)) {
2560 error_report("unsupported machine type");
2561 error_printf("Use -machine help to list supported machines\n");
2562 } else {
2563 printf("Supported machines are:\n");
2564 machines = g_slist_sort(machines, machine_class_cmp);
2565 for (el = machines; el; el = el->next) {
2566 MachineClass *mc = el->data;
2567 if (mc->alias) {
2568 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2569 }
2570 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2571 mc->is_default ? " (default)" : "",
2572 mc->deprecation_reason ? " (deprecated)" : "");
2573 }
2574 }
2575
2576 g_slist_free(machines);
2577 exit(!name || !is_help_option(name));
2578 }
2579
2580 void qemu_add_exit_notifier(Notifier *notify)
2581 {
2582 notifier_list_add(&exit_notifiers, notify);
2583 }
2584
2585 void qemu_remove_exit_notifier(Notifier *notify)
2586 {
2587 notifier_remove(notify);
2588 }
2589
2590 static void qemu_run_exit_notifiers(void)
2591 {
2592 notifier_list_notify(&exit_notifiers, NULL);
2593 }
2594
2595 static const char *pid_file;
2596 static Notifier qemu_unlink_pidfile_notifier;
2597
2598 static void qemu_unlink_pidfile(Notifier *n, void *data)
2599 {
2600 if (pid_file) {
2601 unlink(pid_file);
2602 }
2603 }
2604
2605 bool machine_init_done;
2606
2607 void qemu_add_machine_init_done_notifier(Notifier *notify)
2608 {
2609 notifier_list_add(&machine_init_done_notifiers, notify);
2610 if (machine_init_done) {
2611 notify->notify(notify, NULL);
2612 }
2613 }
2614
2615 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2616 {
2617 notifier_remove(notify);
2618 }
2619
2620 static void qemu_run_machine_init_done_notifiers(void)
2621 {
2622 machine_init_done = true;
2623 notifier_list_notify(&machine_init_done_notifiers, NULL);
2624 }
2625
2626 static const QEMUOption *lookup_opt(int argc, char **argv,
2627 const char **poptarg, int *poptind)
2628 {
2629 const QEMUOption *popt;
2630 int optind = *poptind;
2631 char *r = argv[optind];
2632 const char *optarg;
2633
2634 loc_set_cmdline(argv, optind, 1);
2635 optind++;
2636 /* Treat --foo the same as -foo. */
2637 if (r[1] == '-')
2638 r++;
2639 popt = qemu_options;
2640 for(;;) {
2641 if (!popt->name) {
2642 error_report("invalid option");
2643 exit(1);
2644 }
2645 if (!strcmp(popt->name, r + 1))
2646 break;
2647 popt++;
2648 }
2649 if (popt->flags & HAS_ARG) {
2650 if (optind >= argc) {
2651 error_report("requires an argument");
2652 exit(1);
2653 }
2654 optarg = argv[optind++];
2655 loc_set_cmdline(argv, optind - 2, 2);
2656 } else {
2657 optarg = NULL;
2658 }
2659
2660 *poptarg = optarg;
2661 *poptind = optind;
2662
2663 return popt;
2664 }
2665
2666 static MachineClass *select_machine(void)
2667 {
2668 MachineClass *machine_class = find_default_machine();
2669 const char *optarg;
2670 QemuOpts *opts;
2671 Location loc;
2672
2673 loc_push_none(&loc);
2674
2675 opts = qemu_get_machine_opts();
2676 qemu_opts_loc_restore(opts);
2677
2678 optarg = qemu_opt_get(opts, "type");
2679 if (optarg) {
2680 machine_class = machine_parse(optarg);
2681 }
2682
2683 if (!machine_class) {
2684 error_report("No machine specified, and there is no default");
2685 error_printf("Use -machine help to list supported machines\n");
2686 exit(1);
2687 }
2688
2689 loc_pop(&loc);
2690 return machine_class;
2691 }
2692
2693 static int machine_set_property(void *opaque,
2694 const char *name, const char *value,
2695 Error **errp)
2696 {
2697 Object *obj = OBJECT(opaque);
2698 Error *local_err = NULL;
2699 char *p, *qom_name;
2700
2701 if (strcmp(name, "type") == 0) {
2702 return 0;
2703 }
2704
2705 qom_name = g_strdup(name);
2706 for (p = qom_name; *p; p++) {
2707 if (*p == '_') {
2708 *p = '-';
2709 }
2710 }
2711
2712 object_property_parse(obj, value, qom_name, &local_err);
2713 g_free(qom_name);
2714
2715 if (local_err) {
2716 error_propagate(errp, local_err);
2717 return -1;
2718 }
2719
2720 return 0;
2721 }
2722
2723
2724 /*
2725 * Initial object creation happens before all other
2726 * QEMU data types are created. The majority of objects
2727 * can be created at this point. The rng-egd object
2728 * cannot be created here, as it depends on the chardev
2729 * already existing.
2730 */
2731 static bool object_create_initial(const char *type, QemuOpts *opts)
2732 {
2733 ObjectClass *klass;
2734
2735 if (is_help_option(type)) {
2736 GSList *l, *list;
2737
2738 printf("List of user creatable objects:\n");
2739 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2740 for (l = list; l != NULL; l = l->next) {
2741 ObjectClass *oc = OBJECT_CLASS(l->data);
2742 printf(" %s\n", object_class_get_name(oc));
2743 }
2744 g_slist_free(list);
2745 exit(0);
2746 }
2747
2748 klass = object_class_by_name(type);
2749 if (klass && qemu_opt_has_help_opt(opts)) {
2750 ObjectPropertyIterator iter;
2751 ObjectProperty *prop;
2752 GPtrArray *array = g_ptr_array_new();
2753 int i;
2754
2755 object_class_property_iter_init(&iter, klass);
2756 while ((prop = object_property_iter_next(&iter))) {
2757 GString *str;
2758
2759 if (!prop->set) {
2760 continue;
2761 }
2762
2763 str = g_string_new(NULL);
2764 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2765 if (prop->description) {
2766 if (str->len < 24) {
2767 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2768 }
2769 g_string_append_printf(str, " - %s", prop->description);
2770 }
2771 g_ptr_array_add(array, g_string_free(str, false));
2772 }
2773 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2774 if (array->len > 0) {
2775 printf("%s options:\n", type);
2776 } else {
2777 printf("There are no options for %s.\n", type);
2778 }
2779 for (i = 0; i < array->len; i++) {
2780 printf("%s\n", (char *)array->pdata[i]);
2781 }
2782 g_ptr_array_set_free_func(array, g_free);
2783 g_ptr_array_free(array, true);
2784 exit(0);
2785 }
2786
2787 if (g_str_equal(type, "rng-egd") ||
2788 g_str_has_prefix(type, "pr-manager-")) {
2789 return false;
2790 }
2791
2792 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2793 if (g_str_equal(type, "cryptodev-vhost-user")) {
2794 return false;
2795 }
2796 #endif
2797
2798 /*
2799 * return false for concrete netfilters since
2800 * they depend on netdevs already existing
2801 */
2802 if (g_str_equal(type, "filter-buffer") ||
2803 g_str_equal(type, "filter-dump") ||
2804 g_str_equal(type, "filter-mirror") ||
2805 g_str_equal(type, "filter-redirector") ||
2806 g_str_equal(type, "colo-compare") ||
2807 g_str_equal(type, "filter-rewriter") ||
2808 g_str_equal(type, "filter-replay")) {
2809 return false;
2810 }
2811
2812 /* Memory allocation by backends needs to be done
2813 * after configure_accelerator() (due to the tcg_enabled()
2814 * checks at memory_region_init_*()).
2815 *
2816 * Also, allocation of large amounts of memory may delay
2817 * chardev initialization for too long, and trigger timeouts
2818 * on software that waits for a monitor socket to be created
2819 * (e.g. libvirt).
2820 */
2821 if (g_str_has_prefix(type, "memory-backend-")) {
2822 return false;
2823 }
2824
2825 return true;
2826 }
2827
2828
2829 /*
2830 * The remainder of object creation happens after the
2831 * creation of chardev, fsdev, net clients and device data types.
2832 */
2833 static bool object_create_delayed(const char *type, QemuOpts *opts)
2834 {
2835 return !object_create_initial(type, opts);
2836 }
2837
2838
2839 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2840 MachineClass *mc)
2841 {
2842 uint64_t sz;
2843 const char *mem_str;
2844 const ram_addr_t default_ram_size = mc->default_ram_size;
2845 QemuOpts *opts = qemu_find_opts_singleton("memory");
2846 Location loc;
2847
2848 loc_push_none(&loc);
2849 qemu_opts_loc_restore(opts);
2850
2851 sz = 0;
2852 mem_str = qemu_opt_get(opts, "size");
2853 if (mem_str) {
2854 if (!*mem_str) {
2855 error_report("missing 'size' option value");
2856 exit(EXIT_FAILURE);
2857 }
2858
2859 sz = qemu_opt_get_size(opts, "size", ram_size);
2860
2861 /* Fix up legacy suffix-less format */
2862 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2863 uint64_t overflow_check = sz;
2864
2865 sz *= MiB;
2866 if (sz / MiB != overflow_check) {
2867 error_report("too large 'size' option value");
2868 exit(EXIT_FAILURE);
2869 }
2870 }
2871 }
2872
2873 /* backward compatibility behaviour for case "-m 0" */
2874 if (sz == 0) {
2875 sz = default_ram_size;
2876 }
2877
2878 sz = QEMU_ALIGN_UP(sz, 8192);
2879 ram_size = sz;
2880 if (ram_size != sz) {
2881 error_report("ram size too large");
2882 exit(EXIT_FAILURE);
2883 }
2884
2885 /* store value for the future use */
2886 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2887 *maxram_size = ram_size;
2888
2889 if (qemu_opt_get(opts, "maxmem")) {
2890 uint64_t slots;
2891
2892 sz = qemu_opt_get_size(opts, "maxmem", 0);
2893 slots = qemu_opt_get_number(opts, "slots", 0);
2894 if (sz < ram_size) {
2895 error_report("invalid value of -m option maxmem: "
2896 "maximum memory size (0x%" PRIx64 ") must be at least "
2897 "the initial memory size (0x" RAM_ADDR_FMT ")",
2898 sz, ram_size);
2899 exit(EXIT_FAILURE);
2900 } else if (slots && sz == ram_size) {
2901 error_report("invalid value of -m option maxmem: "
2902 "memory slots were specified but maximum memory size "
2903 "(0x%" PRIx64 ") is equal to the initial memory size "
2904 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2905 exit(EXIT_FAILURE);
2906 }
2907
2908 *maxram_size = sz;
2909 *ram_slots = slots;
2910 } else if (qemu_opt_get(opts, "slots")) {
2911 error_report("invalid -m option value: missing 'maxmem' option");
2912 exit(EXIT_FAILURE);
2913 }
2914
2915 loc_pop(&loc);
2916 }
2917
2918 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2919 {
2920 GlobalProperty *g;
2921
2922 g = g_malloc0(sizeof(*g));
2923 g->driver = qemu_opt_get(opts, "driver");
2924 g->property = qemu_opt_get(opts, "property");
2925 g->value = qemu_opt_get(opts, "value");
2926 qdev_prop_register_global(g);
2927 return 0;
2928 }
2929
2930 static int qemu_read_default_config_file(void)
2931 {
2932 int ret;
2933
2934 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2935 if (ret < 0 && ret != -ENOENT) {
2936 return ret;
2937 }
2938
2939 return 0;
2940 }
2941
2942 static void user_register_global_props(void)
2943 {
2944 qemu_opts_foreach(qemu_find_opts("global"),
2945 global_init_func, NULL, NULL);
2946 }
2947
2948 int main(int argc, char **argv, char **envp)
2949 {
2950 int i;
2951 int snapshot, linux_boot;
2952 const char *initrd_filename;
2953 const char *kernel_filename, *kernel_cmdline;
2954 const char *boot_order = NULL;
2955 const char *boot_once = NULL;
2956 DisplayState *ds;
2957 QemuOpts *opts, *machine_opts;
2958 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2959 QemuOptsList *olist;
2960 int optind;
2961 const char *optarg;
2962 const char *loadvm = NULL;
2963 MachineClass *machine_class;
2964 const char *cpu_model;
2965 const char *vga_model = NULL;
2966 const char *qtest_chrdev = NULL;
2967 const char *qtest_log = NULL;
2968 const char *incoming = NULL;
2969 bool userconfig = true;
2970 bool nographic = false;
2971 int display_remote = 0;
2972 const char *log_mask = NULL;
2973 const char *log_file = NULL;
2974 char *trace_file = NULL;
2975 ram_addr_t maxram_size;
2976 uint64_t ram_slots = 0;
2977 FILE *vmstate_dump_file = NULL;
2978 Error *main_loop_err = NULL;
2979 Error *err = NULL;
2980 bool list_data_dirs = false;
2981 char *dir, **dirs;
2982 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2983
2984 module_call_init(MODULE_INIT_TRACE);
2985
2986 qemu_init_cpu_list();
2987 qemu_init_cpu_loop();
2988
2989 qemu_mutex_lock_iothread();
2990
2991 atexit(qemu_run_exit_notifiers);
2992 error_set_progname(argv[0]);
2993 qemu_init_exec_dir(argv[0]);
2994
2995 module_call_init(MODULE_INIT_QOM);
2996
2997 qemu_add_opts(&qemu_drive_opts);
2998 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2999 qemu_add_drive_opts(&qemu_common_drive_opts);
3000 qemu_add_drive_opts(&qemu_drive_opts);
3001 qemu_add_drive_opts(&bdrv_runtime_opts);
3002 qemu_add_opts(&qemu_chardev_opts);
3003 qemu_add_opts(&qemu_device_opts);
3004 qemu_add_opts(&qemu_netdev_opts);
3005 qemu_add_opts(&qemu_nic_opts);
3006 qemu_add_opts(&qemu_net_opts);
3007 qemu_add_opts(&qemu_rtc_opts);
3008 qemu_add_opts(&qemu_global_opts);
3009 qemu_add_opts(&qemu_mon_opts);
3010 qemu_add_opts(&qemu_trace_opts);
3011 qemu_add_opts(&qemu_option_rom_opts);
3012 qemu_add_opts(&qemu_machine_opts);
3013 qemu_add_opts(&qemu_accel_opts);
3014 qemu_add_opts(&qemu_mem_opts);
3015 qemu_add_opts(&qemu_smp_opts);
3016 qemu_add_opts(&qemu_boot_opts);
3017 qemu_add_opts(&qemu_add_fd_opts);
3018 qemu_add_opts(&qemu_object_opts);
3019 qemu_add_opts(&qemu_tpmdev_opts);
3020 qemu_add_opts(&qemu_realtime_opts);
3021 qemu_add_opts(&qemu_overcommit_opts);
3022 qemu_add_opts(&qemu_msg_opts);
3023 qemu_add_opts(&qemu_name_opts);
3024 qemu_add_opts(&qemu_numa_opts);
3025 qemu_add_opts(&qemu_icount_opts);
3026 qemu_add_opts(&qemu_semihosting_config_opts);
3027 qemu_add_opts(&qemu_fw_cfg_opts);
3028 module_call_init(MODULE_INIT_OPTS);
3029
3030 runstate_init();
3031 precopy_infrastructure_init();
3032 postcopy_infrastructure_init();
3033 monitor_init_globals();
3034
3035 if (qcrypto_init(&err) < 0) {
3036 error_reportf_err(err, "cannot initialize crypto: ");
3037 exit(1);
3038 }
3039
3040 QLIST_INIT (&vm_change_state_head);
3041 os_setup_early_signal_handling();
3042
3043 cpu_model = NULL;
3044 snapshot = 0;
3045
3046 nb_nics = 0;
3047
3048 bdrv_init_with_whitelist();
3049
3050 autostart = 1;
3051
3052 /* first pass of option parsing */
3053 optind = 1;
3054 while (optind < argc) {
3055 if (argv[optind][0] != '-') {
3056 /* disk image */
3057 optind++;
3058 } else {
3059 const QEMUOption *popt;
3060
3061 popt = lookup_opt(argc, argv, &optarg, &optind);
3062 switch (popt->index) {
3063 case QEMU_OPTION_nouserconfig:
3064 userconfig = false;
3065 break;
3066 }
3067 }
3068 }
3069
3070 if (userconfig) {
3071 if (qemu_read_default_config_file() < 0) {
3072 exit(1);
3073 }
3074 }
3075
3076 /* second pass of option parsing */
3077 optind = 1;
3078 for(;;) {
3079 if (optind >= argc)
3080 break;
3081 if (argv[optind][0] != '-') {
3082 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3083 } else {
3084 const QEMUOption *popt;
3085
3086 popt = lookup_opt(argc, argv, &optarg, &optind);
3087 if (!(popt->arch_mask & arch_type)) {
3088 error_report("Option not supported for this target");
3089 exit(1);
3090 }
3091 switch(popt->index) {
3092 case QEMU_OPTION_cpu:
3093 /* hw initialization will check this */
3094 cpu_model = optarg;
3095 break;
3096 case QEMU_OPTION_hda:
3097 case QEMU_OPTION_hdb:
3098 case QEMU_OPTION_hdc:
3099 case QEMU_OPTION_hdd:
3100 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3101 HD_OPTS);
3102 break;
3103 case QEMU_OPTION_blockdev:
3104 {
3105 Visitor *v;
3106 BlockdevOptionsQueueEntry *bdo;
3107
3108 v = qobject_input_visitor_new_str(optarg, "driver",
3109 &error_fatal);
3110
3111 bdo = g_new(BlockdevOptionsQueueEntry, 1);
3112 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3113 &error_fatal);
3114 visit_free(v);
3115 loc_save(&bdo->loc);
3116 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3117 break;
3118 }
3119 case QEMU_OPTION_drive:
3120 if (drive_def(optarg) == NULL) {
3121 exit(1);
3122 }
3123 break;
3124 case QEMU_OPTION_set:
3125 if (qemu_set_option(optarg) != 0)
3126 exit(1);
3127 break;
3128 case QEMU_OPTION_global:
3129 if (qemu_global_option(optarg) != 0)
3130 exit(1);
3131 break;
3132 case QEMU_OPTION_mtdblock:
3133 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3134 break;
3135 case QEMU_OPTION_sd:
3136 drive_add(IF_SD, -1, optarg, SD_OPTS);
3137 break;
3138 case QEMU_OPTION_pflash:
3139 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3140 break;
3141 case QEMU_OPTION_snapshot:
3142 snapshot = 1;
3143 break;
3144 case QEMU_OPTION_numa:
3145 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3146 optarg, true);
3147 if (!opts) {
3148 exit(1);
3149 }
3150 break;
3151 case QEMU_OPTION_display:
3152 parse_display(optarg);
3153 break;
3154 case QEMU_OPTION_nographic:
3155 olist = qemu_find_opts("machine");
3156 qemu_opts_parse_noisily(olist, "graphics=off", false);
3157 nographic = true;
3158 dpy.type = DISPLAY_TYPE_NONE;
3159 break;
3160 case QEMU_OPTION_curses:
3161 #ifdef CONFIG_CURSES
3162 dpy.type = DISPLAY_TYPE_CURSES;
3163 #else
3164 error_report("curses support is disabled");
3165 exit(1);
3166 #endif
3167 break;
3168 case QEMU_OPTION_portrait:
3169 graphic_rotate = 90;
3170 break;
3171 case QEMU_OPTION_rotate:
3172 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3173 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3174 graphic_rotate != 180 && graphic_rotate != 270) {
3175 error_report("only 90, 180, 270 deg rotation is available");
3176 exit(1);
3177 }
3178 break;
3179 case QEMU_OPTION_kernel:
3180 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3181 &error_abort);
3182 break;
3183 case QEMU_OPTION_initrd:
3184 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3185 &error_abort);
3186 break;
3187 case QEMU_OPTION_append:
3188 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3189 &error_abort);
3190 break;
3191 case QEMU_OPTION_dtb:
3192 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3193 &error_abort);
3194 break;
3195 case QEMU_OPTION_cdrom:
3196 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3197 break;
3198 case QEMU_OPTION_boot:
3199 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3200 optarg, true);
3201 if (!opts) {
3202 exit(1);
3203 }
3204 break;
3205 case QEMU_OPTION_fda:
3206 case QEMU_OPTION_fdb:
3207 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3208 optarg, FD_OPTS);
3209 break;
3210 case QEMU_OPTION_no_fd_bootchk:
3211 fd_bootchk = 0;
3212 break;
3213 case QEMU_OPTION_netdev:
3214 default_net = 0;
3215 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3216 exit(1);
3217 }
3218 break;
3219 case QEMU_OPTION_nic:
3220 default_net = 0;
3221 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_net:
3226 default_net = 0;
3227 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3228 exit(1);
3229 }
3230 break;
3231 #ifdef CONFIG_LIBISCSI
3232 case QEMU_OPTION_iscsi:
3233 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3234 optarg, false);
3235 if (!opts) {
3236 exit(1);
3237 }
3238 break;
3239 #endif
3240 case QEMU_OPTION_bt:
3241 warn_report("The bluetooth subsystem is deprecated and will "
3242 "be removed soon. If the bluetooth subsystem is "
3243 "still useful for you, please send a mail to "
3244 "qemu-devel@nongnu.org with your usecase.");
3245 add_device_config(DEV_BT, optarg);
3246 break;
3247 case QEMU_OPTION_audio_help:
3248 AUD_help ();
3249 exit (0);
3250 break;
3251 case QEMU_OPTION_soundhw:
3252 select_soundhw (optarg);
3253 break;
3254 case QEMU_OPTION_h:
3255 help(0);
3256 break;
3257 case QEMU_OPTION_version:
3258 version();
3259 exit(0);
3260 break;
3261 case QEMU_OPTION_m:
3262 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3263 optarg, true);
3264 if (!opts) {
3265 exit(EXIT_FAILURE);
3266 }
3267 break;
3268 #ifdef CONFIG_TPM
3269 case QEMU_OPTION_tpmdev:
3270 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3271 exit(1);
3272 }
3273 break;
3274 #endif
3275 case QEMU_OPTION_mempath:
3276 mem_path = optarg;
3277 break;
3278 case QEMU_OPTION_mem_prealloc:
3279 mem_prealloc = 1;
3280 break;
3281 case QEMU_OPTION_d:
3282 log_mask = optarg;
3283 break;
3284 case QEMU_OPTION_D:
3285 log_file = optarg;
3286 break;
3287 case QEMU_OPTION_DFILTER:
3288 qemu_set_dfilter_ranges(optarg, &error_fatal);
3289 break;
3290 case QEMU_OPTION_s:
3291 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3292 break;
3293 case QEMU_OPTION_gdb:
3294 add_device_config(DEV_GDB, optarg);
3295 break;
3296 case QEMU_OPTION_L:
3297 if (is_help_option(optarg)) {
3298 list_data_dirs = true;
3299 } else {
3300 qemu_add_data_dir(optarg);
3301 }
3302 break;
3303 case QEMU_OPTION_bios:
3304 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3305 &error_abort);
3306 break;
3307 case QEMU_OPTION_singlestep:
3308 singlestep = 1;
3309 break;
3310 case QEMU_OPTION_S:
3311 autostart = 0;
3312 break;
3313 case QEMU_OPTION_k:
3314 keyboard_layout = optarg;
3315 break;
3316 case QEMU_OPTION_vga:
3317 vga_model = optarg;
3318 default_vga = 0;
3319 break;
3320 case QEMU_OPTION_g:
3321 {
3322 const char *p;
3323 int w, h, depth;
3324 p = optarg;
3325 w = strtol(p, (char **)&p, 10);
3326 if (w <= 0) {
3327 graphic_error:
3328 error_report("invalid resolution or depth");
3329 exit(1);
3330 }
3331 if (*p != 'x')
3332 goto graphic_error;
3333 p++;
3334 h = strtol(p, (char **)&p, 10);
3335 if (h <= 0)
3336 goto graphic_error;
3337 if (*p == 'x') {
3338 p++;
3339 depth = strtol(p, (char **)&p, 10);
3340 if (depth != 8 && depth != 15 && depth != 16 &&
3341 depth != 24 && depth != 32)
3342 goto graphic_error;
3343 } else if (*p == '\0') {
3344 depth = graphic_depth;
3345 } else {
3346 goto graphic_error;
3347 }
3348
3349 graphic_width = w;
3350 graphic_height = h;
3351 graphic_depth = depth;
3352 }
3353 break;
3354 case QEMU_OPTION_echr:
3355 {
3356 char *r;
3357 term_escape_char = strtol(optarg, &r, 0);
3358 if (r == optarg)
3359 printf("Bad argument to echr\n");
3360 break;
3361 }
3362 case QEMU_OPTION_monitor:
3363 default_monitor = 0;
3364 if (strncmp(optarg, "none", 4)) {
3365 monitor_parse(optarg, "readline", false);
3366 }
3367 break;
3368 case QEMU_OPTION_qmp:
3369 monitor_parse(optarg, "control", false);
3370 default_monitor = 0;
3371 break;
3372 case QEMU_OPTION_qmp_pretty:
3373 monitor_parse(optarg, "control", true);
3374 default_monitor = 0;
3375 break;
3376 case QEMU_OPTION_mon:
3377 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3378 true);
3379 if (!opts) {
3380 exit(1);
3381 }
3382 default_monitor = 0;
3383 break;
3384 case QEMU_OPTION_chardev:
3385 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3386 optarg, true);
3387 if (!opts) {
3388 exit(1);
3389 }
3390 break;
3391 case QEMU_OPTION_fsdev:
3392 olist = qemu_find_opts("fsdev");
3393 if (!olist) {
3394 error_report("fsdev support is disabled");
3395 exit(1);
3396 }
3397 opts = qemu_opts_parse_noisily(olist, optarg, true);
3398 if (!opts) {
3399 exit(1);
3400 }
3401 break;
3402 case QEMU_OPTION_virtfs: {
3403 QemuOpts *fsdev;
3404 QemuOpts *device;
3405 const char *writeout, *sock_fd, *socket, *path, *security_model;
3406
3407 olist = qemu_find_opts("virtfs");
3408 if (!olist) {
3409 error_report("virtfs support is disabled");
3410 exit(1);
3411 }
3412 opts = qemu_opts_parse_noisily(olist, optarg, true);
3413 if (!opts) {
3414 exit(1);
3415 }
3416
3417 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3418 qemu_opt_get(opts, "mount_tag") == NULL) {
3419 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3420 exit(1);
3421 }
3422 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3423 qemu_opts_id(opts) ?:
3424 qemu_opt_get(opts, "mount_tag"),
3425 1, NULL);
3426 if (!fsdev) {
3427 error_report("duplicate or invalid fsdev id: %s",
3428 qemu_opt_get(opts, "mount_tag"));
3429 exit(1);
3430 }
3431
3432 writeout = qemu_opt_get(opts, "writeout");
3433 if (writeout) {
3434 #ifdef CONFIG_SYNC_FILE_RANGE
3435 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3436 #else
3437 error_report("writeout=immediate not supported "
3438 "on this platform");
3439 exit(1);
3440 #endif
3441 }
3442 qemu_opt_set(fsdev, "fsdriver",
3443 qemu_opt_get(opts, "fsdriver"), &error_abort);
3444 path = qemu_opt_get(opts, "path");
3445 if (path) {
3446 qemu_opt_set(fsdev, "path", path, &error_abort);
3447 }
3448 security_model = qemu_opt_get(opts, "security_model");
3449 if (security_model) {
3450 qemu_opt_set(fsdev, "security_model", security_model,
3451 &error_abort);
3452 }
3453 socket = qemu_opt_get(opts, "socket");
3454 if (socket) {
3455 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3456 }
3457 sock_fd = qemu_opt_get(opts, "sock_fd");
3458 if (sock_fd) {
3459 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3460 }
3461
3462 qemu_opt_set_bool(fsdev, "readonly",
3463 qemu_opt_get_bool(opts, "readonly", 0),
3464 &error_abort);
3465 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3466 &error_abort);
3467 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3468 qemu_opt_set(device, "fsdev",
3469 qemu_opts_id(fsdev), &error_abort);
3470 qemu_opt_set(device, "mount_tag",
3471 qemu_opt_get(opts, "mount_tag"), &error_abort);
3472 break;
3473 }
3474 case QEMU_OPTION_virtfs_synth: {
3475 QemuOpts *fsdev;
3476 QemuOpts *device;
3477
3478 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3479 1, NULL);
3480 if (!fsdev) {
3481 error_report("duplicate option: %s", "virtfs_synth");
3482 exit(1);
3483 }
3484 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3485
3486 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3487 &error_abort);
3488 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3489 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3490 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3491 break;
3492 }
3493 case QEMU_OPTION_serial:
3494 add_device_config(DEV_SERIAL, optarg);
3495 default_serial = 0;
3496 if (strncmp(optarg, "mon:", 4) == 0) {
3497 default_monitor = 0;
3498 }
3499 break;
3500 case QEMU_OPTION_watchdog:
3501 if (watchdog) {
3502 error_report("only one watchdog option may be given");
3503 return 1;
3504 }
3505 watchdog = optarg;
3506 break;
3507 case QEMU_OPTION_watchdog_action:
3508 if (select_watchdog_action(optarg) == -1) {
3509 error_report("unknown -watchdog-action parameter");
3510 exit(1);
3511 }
3512 break;
3513 case QEMU_OPTION_parallel:
3514 add_device_config(DEV_PARALLEL, optarg);
3515 default_parallel = 0;
3516 if (strncmp(optarg, "mon:", 4) == 0) {
3517 default_monitor = 0;
3518 }
3519 break;
3520 case QEMU_OPTION_debugcon:
3521 add_device_config(DEV_DEBUGCON, optarg);
3522 break;
3523 case QEMU_OPTION_loadvm:
3524 loadvm = optarg;
3525 break;
3526 case QEMU_OPTION_full_screen:
3527 dpy.has_full_screen = true;
3528 dpy.full_screen = true;
3529 break;
3530 case QEMU_OPTION_alt_grab:
3531 alt_grab = 1;
3532 break;
3533 case QEMU_OPTION_ctrl_grab:
3534 ctrl_grab = 1;
3535 break;
3536 case QEMU_OPTION_no_quit:
3537 dpy.has_window_close = true;
3538 dpy.window_close = false;
3539 break;
3540 case QEMU_OPTION_sdl:
3541 #ifdef CONFIG_SDL
3542 dpy.type = DISPLAY_TYPE_SDL;
3543 break;
3544 #else
3545 error_report("SDL support is disabled");
3546 exit(1);
3547 #endif
3548 case QEMU_OPTION_pidfile:
3549 pid_file = optarg;
3550 break;
3551 case QEMU_OPTION_win2k_hack:
3552 win2k_install_hack = 1;
3553 break;
3554 case QEMU_OPTION_acpitable:
3555 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3556 optarg, true);
3557 if (!opts) {
3558 exit(1);
3559 }
3560 acpi_table_add(opts, &error_fatal);
3561 break;
3562 case QEMU_OPTION_smbios:
3563 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3564 optarg, false);
3565 if (!opts) {
3566 exit(1);
3567 }
3568 smbios_entry_add(opts, &error_fatal);
3569 break;
3570 case QEMU_OPTION_fwcfg:
3571 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3572 optarg, true);
3573 if (opts == NULL) {
3574 exit(1);
3575 }
3576 break;
3577 case QEMU_OPTION_preconfig:
3578 preconfig_exit_requested = false;
3579 break;
3580 case QEMU_OPTION_enable_kvm:
3581 olist = qemu_find_opts("machine");
3582 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3583 break;
3584 case QEMU_OPTION_M:
3585 case QEMU_OPTION_machine:
3586 olist = qemu_find_opts("machine");
3587 opts = qemu_opts_parse_noisily(olist, optarg, true);
3588 if (!opts) {
3589 exit(1);
3590 }
3591 break;
3592 case QEMU_OPTION_no_kvm:
3593 olist = qemu_find_opts("machine");
3594 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3595 break;
3596 case QEMU_OPTION_accel:
3597 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3598 optarg, true);
3599 optarg = qemu_opt_get(accel_opts, "accel");
3600 if (!optarg || is_help_option(optarg)) {
3601 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3602 exit(0);
3603 }
3604 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3605 false, &error_abort);
3606 qemu_opt_set(opts, "accel", optarg, &error_abort);
3607 break;
3608 case QEMU_OPTION_usb:
3609 olist = qemu_find_opts("machine");
3610 qemu_opts_parse_noisily(olist, "usb=on", false);
3611 break;
3612 case QEMU_OPTION_usbdevice:
3613 error_report("'-usbdevice' is deprecated, please use "
3614 "'-device usb-...' instead");
3615 olist = qemu_find_opts("machine");
3616 qemu_opts_parse_noisily(olist, "usb=on", false);
3617 add_device_config(DEV_USB, optarg);
3618 break;
3619 case QEMU_OPTION_device:
3620 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3621 optarg, true)) {
3622 exit(1);
3623 }
3624 break;
3625 case QEMU_OPTION_smp:
3626 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3627 optarg, true)) {
3628 exit(1);
3629 }
3630 break;
3631 case QEMU_OPTION_vnc:
3632 vnc_parse(optarg, &error_fatal);
3633 break;
3634 case QEMU_OPTION_no_acpi:
3635 acpi_enabled = 0;
3636 break;
3637 case QEMU_OPTION_no_hpet:
3638 no_hpet = 1;
3639 break;
3640 case QEMU_OPTION_no_reboot:
3641 no_reboot = 1;
3642 break;
3643 case QEMU_OPTION_no_shutdown:
3644 no_shutdown = 1;
3645 break;
3646 case QEMU_OPTION_show_cursor:
3647 cursor_hide = 0;
3648 break;
3649 case QEMU_OPTION_uuid:
3650 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3651 error_report("failed to parse UUID string: wrong format");
3652 exit(1);
3653 }
3654 qemu_uuid_set = true;
3655 break;
3656 case QEMU_OPTION_option_rom:
3657 if (nb_option_roms >= MAX_OPTION_ROMS) {
3658 error_report("too many option ROMs");
3659 exit(1);
3660 }
3661 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3662 optarg, true);
3663 if (!opts) {
3664 exit(1);
3665 }
3666 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3667 option_rom[nb_option_roms].bootindex =
3668 qemu_opt_get_number(opts, "bootindex", -1);
3669 if (!option_rom[nb_option_roms].name) {
3670 error_report("Option ROM file is not specified");
3671 exit(1);
3672 }
3673 nb_option_roms++;
3674 break;
3675 case QEMU_OPTION_semihosting:
3676 semihosting.enabled = true;
3677 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3678 break;
3679 case QEMU_OPTION_semihosting_config:
3680 semihosting.enabled = true;
3681 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3682 optarg, false);
3683 if (opts != NULL) {
3684 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3685 true);
3686 const char *target = qemu_opt_get(opts, "target");
3687 if (target != NULL) {
3688 if (strcmp("native", target) == 0) {
3689 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3690 } else if (strcmp("gdb", target) == 0) {
3691 semihosting.target = SEMIHOSTING_TARGET_GDB;
3692 } else if (strcmp("auto", target) == 0) {
3693 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3694 } else {
3695 error_report("unsupported semihosting-config %s",
3696 optarg);
3697 exit(1);
3698 }
3699 } else {
3700 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3701 }
3702 /* Set semihosting argument count and vector */
3703 qemu_opt_foreach(opts, add_semihosting_arg,
3704 &semihosting, NULL);
3705 } else {
3706 error_report("unsupported semihosting-config %s", optarg);
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_name:
3711 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3712 optarg, true);
3713 if (!opts) {
3714 exit(1);
3715 }
3716 break;
3717 case QEMU_OPTION_prom_env:
3718 if (nb_prom_envs >= MAX_PROM_ENVS) {
3719 error_report("too many prom variables");
3720 exit(1);
3721 }
3722 prom_envs[nb_prom_envs] = optarg;
3723 nb_prom_envs++;
3724 break;
3725 case QEMU_OPTION_old_param:
3726 old_param = 1;
3727 break;
3728 case QEMU_OPTION_rtc:
3729 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3730 false);
3731 if (!opts) {
3732 exit(1);
3733 }
3734 break;
3735 case QEMU_OPTION_tb_size:
3736 #ifndef CONFIG_TCG
3737 error_report("TCG is disabled");
3738 exit(1);
3739 #endif
3740 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3741 error_report("Invalid argument to -tb-size");
3742 exit(1);
3743 }
3744 break;
3745 case QEMU_OPTION_icount:
3746 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3747 optarg, true);
3748 if (!icount_opts) {
3749 exit(1);
3750 }
3751 break;
3752 case QEMU_OPTION_incoming:
3753 if (!incoming) {
3754 runstate_set(RUN_STATE_INMIGRATE);
3755 }
3756 incoming = optarg;
3757 break;
3758 case QEMU_OPTION_only_migratable:
3759 /*
3760 * TODO: we can remove this option one day, and we
3761 * should all use:
3762 *
3763 * "-global migration.only-migratable=true"
3764 */
3765 qemu_global_option("migration.only-migratable=true");
3766 break;
3767 case QEMU_OPTION_nodefaults:
3768 has_defaults = 0;
3769 break;
3770 case QEMU_OPTION_xen_domid:
3771 if (!(xen_available())) {
3772 error_report("Option not supported for this target");
3773 exit(1);
3774 }
3775 xen_domid = atoi(optarg);
3776 break;
3777 case QEMU_OPTION_xen_attach:
3778 if (!(xen_available())) {
3779 error_report("Option not supported for this target");
3780 exit(1);
3781 }
3782 xen_mode = XEN_ATTACH;
3783 break;
3784 case QEMU_OPTION_xen_domid_restrict:
3785 if (!(xen_available())) {
3786 error_report("Option not supported for this target");
3787 exit(1);
3788 }
3789 xen_domid_restrict = true;
3790 break;
3791 case QEMU_OPTION_trace:
3792 g_free(trace_file);
3793 trace_file = trace_opt_parse(optarg);
3794 break;
3795 case QEMU_OPTION_readconfig:
3796 {
3797 int ret = qemu_read_config_file(optarg);
3798 if (ret < 0) {
3799 error_report("read config %s: %s", optarg,
3800 strerror(-ret));
3801 exit(1);
3802 }
3803 break;
3804 }
3805 case QEMU_OPTION_spice:
3806 olist = qemu_find_opts("spice");
3807 if (!olist) {
3808 error_report("spice support is disabled");
3809 exit(1);
3810 }
3811 opts = qemu_opts_parse_noisily(olist, optarg, false);
3812 if (!opts) {
3813 exit(1);
3814 }
3815 display_remote++;
3816 break;
3817 case QEMU_OPTION_writeconfig:
3818 {
3819 FILE *fp;
3820 if (strcmp(optarg, "-") == 0) {
3821 fp = stdout;
3822 } else {
3823 fp = fopen(optarg, "w");
3824 if (fp == NULL) {
3825 error_report("open %s: %s", optarg,
3826 strerror(errno));
3827 exit(1);
3828 }
3829 }
3830 qemu_config_write(fp);
3831 if (fp != stdout) {
3832 fclose(fp);
3833 }
3834 break;
3835 }
3836 case QEMU_OPTION_qtest:
3837 qtest_chrdev = optarg;
3838 break;
3839 case QEMU_OPTION_qtest_log:
3840 qtest_log = optarg;
3841 break;
3842 case QEMU_OPTION_sandbox:
3843 #ifdef CONFIG_SECCOMP
3844 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3845 optarg, true);
3846 if (!opts) {
3847 exit(1);
3848 }
3849 #else
3850 error_report("-sandbox support is not enabled "
3851 "in this QEMU binary");
3852 exit(1);
3853 #endif
3854 break;
3855 case QEMU_OPTION_add_fd:
3856 #ifndef _WIN32
3857 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3858 optarg, false);
3859 if (!opts) {
3860 exit(1);
3861 }
3862 #else
3863 error_report("File descriptor passing is disabled on this "
3864 "platform");
3865 exit(1);
3866 #endif
3867 break;
3868 case QEMU_OPTION_object:
3869 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3870 optarg, true);
3871 if (!opts) {
3872 exit(1);
3873 }
3874 break;
3875 case QEMU_OPTION_realtime:
3876 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3877 optarg, false);
3878 if (!opts) {
3879 exit(1);
3880 }
3881 /* Don't override the -overcommit option if set */
3882 enable_mlock = enable_mlock ||
3883 qemu_opt_get_bool(opts, "mlock", true);
3884 break;
3885 case QEMU_OPTION_overcommit:
3886 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3887 optarg, false);
3888 if (!opts) {
3889 exit(1);
3890 }
3891 /* Don't override the -realtime option if set */
3892 enable_mlock = enable_mlock ||
3893 qemu_opt_get_bool(opts, "mem-lock", false);
3894 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3895 break;
3896 case QEMU_OPTION_msg:
3897 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3898 false);
3899 if (!opts) {
3900 exit(1);
3901 }
3902 configure_msg(opts);
3903 break;
3904 case QEMU_OPTION_dump_vmstate:
3905 if (vmstate_dump_file) {
3906 error_report("only one '-dump-vmstate' "
3907 "option may be given");
3908 exit(1);
3909 }
3910 vmstate_dump_file = fopen(optarg, "w");
3911 if (vmstate_dump_file == NULL) {
3912 error_report("open %s: %s", optarg, strerror(errno));
3913 exit(1);
3914 }
3915 break;
3916 case QEMU_OPTION_enable_sync_profile:
3917 qsp_enable();
3918 break;
3919 case QEMU_OPTION_nouserconfig:
3920 /* Nothing to be parsed here. Especially, do not error out below. */
3921 break;
3922 default:
3923 if (os_parse_cmd_args(popt->index, optarg)) {
3924 error_report("Option not supported in this build");
3925 exit(1);
3926 }
3927 }
3928 }
3929 }
3930 /*
3931 * Clear error location left behind by the loop.
3932 * Best done right after the loop. Do not insert code here!
3933 */
3934 loc_set_none();
3935
3936 user_register_global_props();
3937
3938 replay_configure(icount_opts);
3939
3940 if (incoming && !preconfig_exit_requested) {
3941 error_report("'preconfig' and 'incoming' options are "
3942 "mutually exclusive");
3943 exit(EXIT_FAILURE);
3944 }
3945
3946 configure_rtc(qemu_find_opts_singleton("rtc"));
3947
3948 machine_class = select_machine();
3949 object_set_machine_compat_props(machine_class->compat_props);
3950
3951 set_memory_options(&ram_slots, &maxram_size, machine_class);
3952
3953 os_daemonize();
3954 rcu_disable_atfork();
3955
3956 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3957 error_reportf_err(err, "cannot create PID file: ");
3958 exit(1);
3959 }
3960
3961 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3962 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3963
3964 if (qemu_init_main_loop(&main_loop_err)) {
3965 error_report_err(main_loop_err);
3966 exit(1);
3967 }
3968
3969 #ifdef CONFIG_SECCOMP
3970 olist = qemu_find_opts_err("sandbox", NULL);
3971 if (olist) {
3972 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3973 }
3974 #endif
3975
3976 qemu_opts_foreach(qemu_find_opts("name"),
3977 parse_name, NULL, &error_fatal);
3978
3979 #ifndef _WIN32
3980 qemu_opts_foreach(qemu_find_opts("add-fd"),
3981 parse_add_fd, NULL, &error_fatal);
3982
3983 qemu_opts_foreach(qemu_find_opts("add-fd"),
3984 cleanup_add_fd, NULL, &error_fatal);
3985 #endif
3986
3987 current_machine = MACHINE(object_new(object_class_get_name(
3988 OBJECT_CLASS(machine_class))));
3989 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3990 exit(0);
3991 }
3992 object_property_add_child(object_get_root(), "machine",
3993 OBJECT(current_machine), &error_abort);
3994 object_property_add_child(container_get(OBJECT(current_machine),
3995 "/unattached"),
3996 "sysbus", OBJECT(sysbus_get_default()),
3997 NULL);
3998
3999 if (machine_class->minimum_page_bits) {
4000 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4001 /* This would be a board error: specifying a minimum smaller than
4002 * a target's compile-time fixed setting.
4003 */
4004 g_assert_not_reached();
4005 }
4006 }
4007
4008 cpu_exec_init_all();
4009
4010 if (machine_class->hw_version) {
4011 qemu_set_hw_version(machine_class->hw_version);
4012 }
4013
4014 if (cpu_model && is_help_option(cpu_model)) {
4015 list_cpus(stdout, &fprintf, cpu_model);
4016 exit(0);
4017 }
4018
4019 if (!trace_init_backends()) {
4020 exit(1);
4021 }
4022 trace_init_file(trace_file);
4023
4024 /* Open the logfile at this point and set the log mask if necessary.
4025 */
4026 if (log_file) {
4027 qemu_set_log_filename(log_file, &error_fatal);
4028 }
4029
4030 if (log_mask) {
4031 int mask;
4032 mask = qemu_str_to_log_mask(log_mask);
4033 if (!mask) {
4034 qemu_print_log_usage(stdout);
4035 exit(1);
4036 }
4037 qemu_set_log(mask);
4038 } else {
4039 qemu_set_log(0);
4040 }
4041
4042 /* add configured firmware directories */
4043 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4044 for (i = 0; dirs[i] != NULL; i++) {
4045 qemu_add_data_dir(dirs[i]);
4046 }
4047 g_strfreev(dirs);
4048
4049 /* try to find datadir relative to the executable path */
4050 dir = os_find_datadir();
4051 qemu_add_data_dir(dir);
4052 g_free(dir);
4053
4054 /* add the datadir specified when building */
4055 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4056
4057 /* -L help lists the data directories and exits. */
4058 if (list_data_dirs) {
4059 for (i = 0; i < data_dir_idx; i++) {
4060 printf("%s\n", data_dir[i]);
4061 }
4062 exit(0);
4063 }
4064
4065 /* machine_class: default to UP */
4066 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4067 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4068 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4069
4070 /* default to machine_class->default_cpus */
4071 smp_cpus = machine_class->default_cpus;
4072 max_cpus = machine_class->default_cpus;
4073
4074 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4075
4076 /* sanity-check smp_cpus and max_cpus against machine_class */
4077 if (smp_cpus < machine_class->min_cpus) {
4078 error_report("Invalid SMP CPUs %d. The min CPUs "
4079 "supported by machine '%s' is %d", smp_cpus,
4080 machine_class->name, machine_class->min_cpus);
4081 exit(1);
4082 }
4083 if (max_cpus > machine_class->max_cpus) {
4084 error_report("Invalid SMP CPUs %d. The max CPUs "
4085 "supported by machine '%s' is %d", max_cpus,
4086 machine_class->name, machine_class->max_cpus);
4087 exit(1);
4088 }
4089
4090 /*
4091 * Get the default machine options from the machine if it is not already
4092 * specified either by the configuration file or by the command line.
4093 */
4094 if (machine_class->default_machine_opts) {
4095 qemu_opts_set_defaults(qemu_find_opts("machine"),
4096 machine_class->default_machine_opts, 0);
4097 }
4098
4099 qemu_opts_foreach(qemu_find_opts("device"),
4100 default_driver_check, NULL, NULL);
4101 qemu_opts_foreach(qemu_find_opts("global"),
4102 default_driver_check, NULL, NULL);
4103
4104 if (!vga_model && !default_vga) {
4105 vga_interface_type = VGA_DEVICE;
4106 }
4107 if (!has_defaults || machine_class->no_serial) {
4108 default_serial = 0;
4109 }
4110 if (!has_defaults || machine_class->no_parallel) {
4111 default_parallel = 0;
4112 }
4113 if (!has_defaults || machine_class->no_floppy) {
4114 default_floppy = 0;
4115 }
4116 if (!has_defaults || machine_class->no_cdrom) {
4117 default_cdrom = 0;
4118 }
4119 if (!has_defaults || machine_class->no_sdcard) {
4120 default_sdcard = 0;
4121 }
4122 if (!has_defaults) {
4123 default_monitor = 0;
4124 default_net = 0;
4125 default_vga = 0;
4126 }
4127
4128 if (is_daemonized()) {
4129 if (!preconfig_exit_requested) {
4130 error_report("'preconfig' and 'daemonize' options are "
4131 "mutually exclusive");
4132 exit(EXIT_FAILURE);
4133 }
4134
4135 /* According to documentation and historically, -nographic redirects
4136 * serial port, parallel port and monitor to stdio, which does not work
4137 * with -daemonize. We can redirect these to null instead, but since
4138 * -nographic is legacy, let's just error out.
4139 * We disallow -nographic only if all other ports are not redirected
4140 * explicitly, to not break existing legacy setups which uses
4141 * -nographic _and_ redirects all ports explicitly - this is valid
4142 * usage, -nographic is just a no-op in this case.
4143 */
4144 if (nographic
4145 && (default_parallel || default_serial || default_monitor)) {
4146 error_report("-nographic cannot be used with -daemonize");
4147 exit(1);
4148 }
4149 #ifdef CONFIG_CURSES
4150 if (dpy.type == DISPLAY_TYPE_CURSES) {
4151 error_report("curses display cannot be used with -daemonize");
4152 exit(1);
4153 }
4154 #endif
4155 }
4156
4157 if (nographic) {
4158 if (default_parallel)
4159 add_device_config(DEV_PARALLEL, "null");
4160 if (default_serial && default_monitor) {
4161 add_device_config(DEV_SERIAL, "mon:stdio");
4162 } else {
4163 if (default_serial)
4164 add_device_config(DEV_SERIAL, "stdio");
4165 if (default_monitor)
4166 monitor_parse("stdio", "readline", false);
4167 }
4168 } else {
4169 if (default_serial)
4170 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4171 if (default_parallel)
4172 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4173 if (default_monitor)
4174 monitor_parse("vc:80Cx24C", "readline", false);
4175 }
4176
4177 #if defined(CONFIG_VNC)
4178 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4179 display_remote++;
4180 }
4181 #endif
4182 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4183 if (!qemu_display_find_default(&dpy)) {
4184 dpy.type = DISPLAY_TYPE_NONE;
4185 #if defined(CONFIG_VNC)
4186 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4187 #endif
4188 }
4189 }
4190 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4191 dpy.type = DISPLAY_TYPE_NONE;
4192 }
4193
4194 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4195 error_report("-alt-grab and -ctrl-grab are only valid "
4196 "for SDL, ignoring option");
4197 }
4198 if (dpy.has_window_close &&
4199 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4200 error_report("-no-quit is only valid for GTK and SDL, "
4201 "ignoring option");
4202 }
4203
4204 qemu_display_early_init(&dpy);
4205 qemu_console_early_init();
4206
4207 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4208 #if defined(CONFIG_OPENGL)
4209 error_report("OpenGL is not supported by the display");
4210 #else
4211 error_report("OpenGL support is disabled");
4212 #endif
4213 exit(1);
4214 }
4215
4216 page_size_init();
4217 socket_init();
4218
4219 qemu_opts_foreach(qemu_find_opts("object"),
4220 user_creatable_add_opts_foreach,
4221 object_create_initial, &error_fatal);
4222
4223 qemu_opts_foreach(qemu_find_opts("chardev"),
4224 chardev_init_func, NULL, &error_fatal);
4225
4226 #ifdef CONFIG_VIRTFS
4227 qemu_opts_foreach(qemu_find_opts("fsdev"),
4228 fsdev_init_func, NULL, &error_fatal);
4229 #endif
4230
4231 if (qemu_opts_foreach(qemu_find_opts("device"),
4232 device_help_func, NULL, NULL)) {
4233 exit(0);
4234 }
4235
4236 machine_opts = qemu_get_machine_opts();
4237 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4238 &error_fatal);
4239 current_machine->ram_size = ram_size;
4240 current_machine->maxram_size = maxram_size;
4241 current_machine->ram_slots = ram_slots;
4242
4243 configure_accelerator(current_machine, argv[0]);
4244
4245 if (!qtest_enabled() && machine_class->deprecation_reason) {
4246 error_report("Machine type '%s' is deprecated: %s",
4247 machine_class->name, machine_class->deprecation_reason);
4248 }
4249
4250 /*
4251 * Migration object can only be created after global properties
4252 * are applied correctly.
4253 */
4254 migration_object_init();
4255
4256 if (qtest_chrdev) {
4257 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4258 }
4259
4260 machine_opts = qemu_get_machine_opts();
4261 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4262 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4263 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4264 bios_name = qemu_opt_get(machine_opts, "firmware");
4265
4266 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4267 if (opts) {
4268 boot_order = qemu_opt_get(opts, "order");
4269 if (boot_order) {
4270 validate_bootdevices(boot_order, &error_fatal);
4271 }
4272
4273 boot_once = qemu_opt_get(opts, "once");
4274 if (boot_once) {
4275 validate_bootdevices(boot_once, &error_fatal);
4276 }
4277
4278 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4279 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4280 }
4281
4282 if (!boot_order) {
4283 boot_order = machine_class->default_boot_order;
4284 }
4285
4286 if (!kernel_cmdline) {
4287 kernel_cmdline = "";
4288 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4289 }
4290
4291 linux_boot = (kernel_filename != NULL);
4292
4293 if (!linux_boot && *kernel_cmdline != '\0') {
4294 error_report("-append only allowed with -kernel option");
4295 exit(1);
4296 }
4297
4298 if (!linux_boot && initrd_filename != NULL) {
4299 error_report("-initrd only allowed with -kernel option");
4300 exit(1);
4301 }
4302
4303 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4304 /* fall back to the -kernel/-append */
4305 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4306 }
4307
4308 os_set_line_buffering();
4309
4310 /* spice needs the timers to be initialized by this point */
4311 qemu_spice_init();
4312
4313 cpu_ticks_init();
4314 if (icount_opts) {
4315 if (!tcg_enabled()) {
4316 error_report("-icount is not allowed with hardware virtualization");
4317 exit(1);
4318 }
4319 configure_icount(icount_opts, &error_abort);
4320 qemu_opts_del(icount_opts);
4321 }
4322
4323 if (tcg_enabled()) {
4324 qemu_tcg_configure(accel_opts, &error_fatal);
4325 }
4326
4327 if (default_net) {
4328 QemuOptsList *net = qemu_find_opts("net");
4329 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4330 #ifdef CONFIG_SLIRP
4331 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4332 #endif
4333 }
4334
4335 if (net_init_clients(&err) < 0) {
4336 error_report_err(err);
4337 exit(1);
4338 }
4339
4340 qemu_opts_foreach(qemu_find_opts("object"),
4341 user_creatable_add_opts_foreach,
4342 object_create_delayed, &error_fatal);
4343
4344 tpm_init();
4345
4346 /* init the bluetooth world */
4347 if (foreach_device_config(DEV_BT, bt_parse))
4348 exit(1);
4349
4350 if (!xen_enabled()) {
4351 /* On 32-bit hosts, QEMU is limited by virtual address space */
4352 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4353 error_report("at most 2047 MB RAM can be simulated");
4354 exit(1);
4355 }
4356 }
4357
4358 blk_mig_init();
4359 ram_mig_init();
4360 dirty_bitmap_mig_init();
4361
4362 /* If the currently selected machine wishes to override the units-per-bus
4363 * property of its default HBA interface type, do so now. */
4364 if (machine_class->units_per_default_bus) {
4365 override_max_devs(machine_class->block_default_type,
4366 machine_class->units_per_default_bus);
4367 }
4368
4369 /* open the virtual block devices */
4370 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4371 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4372
4373 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4374 loc_push_restore(&bdo->loc);
4375 qmp_blockdev_add(bdo->bdo, &error_fatal);
4376 loc_pop(&bdo->loc);
4377 qapi_free_BlockdevOptions(bdo->bdo);
4378 g_free(bdo);
4379 }
4380 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4381 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4382 NULL, NULL);
4383 }
4384 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4385 &machine_class->block_default_type, &error_fatal)) {
4386 /* We printed help */
4387 exit(0);
4388 }
4389
4390 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4391 CDROM_OPTS);
4392 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4393 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4394
4395 qemu_opts_foreach(qemu_find_opts("mon"),
4396 mon_init_func, NULL, &error_fatal);
4397
4398 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4399 exit(1);
4400 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4401 exit(1);
4402 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4403 exit(1);
4404
4405 /* If no default VGA is requested, the default is "none". */
4406 if (default_vga) {
4407 if (machine_class->default_display) {
4408 vga_model = machine_class->default_display;
4409 } else if (vga_interface_available(VGA_CIRRUS)) {
4410 vga_model = "cirrus";
4411 } else if (vga_interface_available(VGA_STD)) {
4412 vga_model = "std";
4413 }
4414 }
4415 if (vga_model) {
4416 select_vgahw(vga_model);
4417 }
4418
4419 if (watchdog) {
4420 i = select_watchdog(watchdog);
4421 if (i > 0)
4422 exit (i == 1 ? 1 : 0);
4423 }
4424
4425 /* This checkpoint is required by replay to separate prior clock
4426 reading from the other reads, because timer polling functions query
4427 clock values from the log. */
4428 replay_checkpoint(CHECKPOINT_INIT);
4429 qdev_machine_init();
4430
4431 current_machine->boot_order = boot_order;
4432
4433 /* parse features once if machine provides default cpu_type */
4434 current_machine->cpu_type = machine_class->default_cpu_type;
4435 if (cpu_model) {
4436 current_machine->cpu_type = parse_cpu_model(cpu_model);
4437 }
4438 parse_numa_opts(current_machine);
4439
4440 /* do monitor/qmp handling at preconfig state if requested */
4441 main_loop();
4442
4443 /* from here on runstate is RUN_STATE_PRELAUNCH */
4444 machine_run_board_init(current_machine);
4445
4446 realtime_init();
4447
4448 soundhw_init();
4449
4450 if (hax_enabled()) {
4451 hax_sync_vcpus();
4452 }
4453
4454 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4455 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4456
4457 /* init USB devices */
4458 if (machine_usb(current_machine)) {
4459 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4460 exit(1);
4461 }
4462
4463 /* Check if IGD GFX passthrough. */
4464 igd_gfx_passthru();
4465
4466 /* init generic devices */
4467 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4468 qemu_opts_foreach(qemu_find_opts("device"),
4469 device_init_func, NULL, &error_fatal);
4470
4471 cpu_synchronize_all_post_init();
4472
4473 rom_reset_order_override();
4474
4475 /* Did we create any drives that we failed to create a device for? */
4476 drive_check_orphaned();
4477
4478 /* Don't warn about the default network setup that you get if
4479 * no command line -net or -netdev options are specified. There
4480 * are two cases that we would otherwise complain about:
4481 * (1) board doesn't support a NIC but the implicit "-net nic"
4482 * requested one
4483 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4484 * sets up a nic that isn't connected to anything.
4485 */
4486 if (!default_net && (!qtest_enabled() || has_defaults)) {
4487 net_check_clients();
4488 }
4489
4490 if (boot_once) {
4491 qemu_boot_set(boot_once, &error_fatal);
4492 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4493 }
4494
4495 /* init local displays */
4496 ds = init_displaystate();
4497 qemu_display_init(ds, &dpy);
4498
4499 /* must be after terminal init, SDL library changes signal handlers */
4500 os_setup_signal_handling();
4501
4502 /* init remote displays */
4503 #ifdef CONFIG_VNC
4504 qemu_opts_foreach(qemu_find_opts("vnc"),
4505 vnc_init_func, NULL, &error_fatal);
4506 #endif
4507
4508 if (using_spice) {
4509 qemu_spice_display_init();
4510 }
4511
4512 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4513 exit(1);
4514 }
4515
4516 qdev_machine_creation_done();
4517
4518 /* TODO: once all bus devices are qdevified, this should be done
4519 * when bus is created by qdev.c */
4520 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4521 qemu_run_machine_init_done_notifiers();
4522
4523 if (rom_check_and_register_reset() != 0) {
4524 error_report("rom check and register reset failed");
4525 exit(1);
4526 }
4527
4528 replay_start();
4529
4530 /* This checkpoint is required by replay to separate prior clock
4531 reading from the other reads, because timer polling functions query
4532 clock values from the log. */
4533 replay_checkpoint(CHECKPOINT_RESET);
4534 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4535 register_global_state();
4536 if (loadvm) {
4537 Error *local_err = NULL;
4538 if (load_snapshot(loadvm, &local_err) < 0) {
4539 error_report_err(local_err);
4540 autostart = 0;
4541 exit(1);
4542 }
4543 }
4544 if (replay_mode != REPLAY_MODE_NONE) {
4545 replay_vmstate_init();
4546 }
4547
4548 qdev_prop_check_globals();
4549 if (vmstate_dump_file) {
4550 /* dump and exit */
4551 dump_vmstate_json_to_file(vmstate_dump_file);
4552 return 0;
4553 }
4554
4555 if (incoming) {
4556 Error *local_err = NULL;
4557 qemu_start_incoming_migration(incoming, &local_err);
4558 if (local_err) {
4559 error_reportf_err(local_err, "-incoming %s: ", incoming);
4560 exit(1);
4561 }
4562 } else if (autostart) {
4563 vm_start();
4564 }
4565
4566 accel_setup_post(current_machine);
4567 os_setup_post();
4568
4569 main_loop();
4570
4571 gdbserver_cleanup();
4572
4573 /*
4574 * cleaning up the migration object cancels any existing migration
4575 * try to do this early so that it also stops using devices.
4576 */
4577 migration_shutdown();
4578
4579 /* No more vcpu or device emulation activity beyond this point */
4580 vm_shutdown();
4581
4582 job_cancel_sync_all();
4583 bdrv_close_all();
4584
4585 res_free();
4586
4587 /* vhost-user must be cleaned up before chardevs. */
4588 tpm_cleanup();
4589 net_cleanup();
4590 audio_cleanup();
4591 monitor_cleanup();
4592 qemu_chr_cleanup();
4593 user_creatable_cleanup();
4594 /* TODO: unref root container, check all devices are ok */
4595
4596 return 0;
4597 }
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