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cpus hw target: Use warn_report() & friends to report warnings
[qemu/ar7.git] / vl.c
blobdb83cfe2e9fa2e44894fe8a85b6c4a217bf99a6b
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static DisplayOptions dpy;
155 int no_frame;
156 static int num_serial_hds;
157 static Chardev **serial_hds;
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 int win2k_install_hack = 0;
161 int singlestep = 0;
162 int smp_cpus;
163 unsigned int max_cpus;
164 int smp_cores = 1;
165 int smp_threads = 1;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205 bool xen_domid_restrict;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "scsi-hd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
288 },
289 };
290
291 static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
295 .merge_lists = true,
296 .desc = {
297 {
298 .name = "accel",
299 .type = QEMU_OPT_STRING,
300 .help = "Select the type of accelerator",
301 },
302 {
303 .name = "thread",
304 .type = QEMU_OPT_STRING,
305 .help = "Enable/disable multi-threaded TCG",
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_boot_opts = {
312 .name = "boot-opts",
313 .implied_opt_name = "order",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
316 .desc = {
317 {
318 .name = "order",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "once",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "menu",
325 .type = QEMU_OPT_BOOL,
326 }, {
327 .name = "splash",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "splash-time",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "reboot-timeout",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "strict",
337 .type = QEMU_OPT_BOOL,
338 },
339 { /*End of list */ }
340 },
341 };
342
343 static QemuOptsList qemu_add_fd_opts = {
344 .name = "add-fd",
345 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
346 .desc = {
347 {
348 .name = "fd",
349 .type = QEMU_OPT_NUMBER,
350 .help = "file descriptor of which a duplicate is added to fd set",
351 },{
352 .name = "set",
353 .type = QEMU_OPT_NUMBER,
354 .help = "ID of the fd set to add fd to",
355 },{
356 .name = "opaque",
357 .type = QEMU_OPT_STRING,
358 .help = "free-form string used to describe fd",
359 },
360 { /* end of list */ }
361 },
362 };
363
364 static QemuOptsList qemu_object_opts = {
365 .name = "object",
366 .implied_opt_name = "qom-type",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
368 .desc = {
369 { }
370 },
371 };
372
373 static QemuOptsList qemu_tpmdev_opts = {
374 .name = "tpmdev",
375 .implied_opt_name = "type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
377 .desc = {
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_realtime_opts = {
384 .name = "realtime",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
386 .desc = {
387 {
388 .name = "mlock",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_overcommit_opts = {
396 .name = "overcommit",
397 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
398 .desc = {
399 {
400 .name = "mem-lock",
401 .type = QEMU_OPT_BOOL,
402 },
403 {
404 .name = "cpu-pm",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRECONFIG;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
596 /* Early switch to inmigrate state to allow -incoming CLI option work
597 * as it used to. TODO: delay actual switching to inmigrate state to
598 * the point after machine is built and remove this hack.
599 */
600 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
630 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_PAUSED, RUN_STATE_COLO},
632
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
640
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
646
647 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
648 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_COLO, RUN_STATE_RUNNING },
651
652 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
653 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
655 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
656 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
659 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
660 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
661 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
662 { RUN_STATE_RUNNING, RUN_STATE_COLO},
663
664 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
665
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
671 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
672 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
673 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
674 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
675 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
676
677 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
678 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
681
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
685
686 { RUN_STATE__MAX, RUN_STATE__MAX },
687 };
688
689 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
690
691 bool runstate_check(RunState state)
692 {
693 return current_run_state == state;
694 }
695
696 bool runstate_store(char *str, size_t size)
697 {
698 const char *state = RunState_str(current_run_state);
699 size_t len = strlen(state) + 1;
700
701 if (len > size) {
702 return false;
703 }
704 memcpy(str, state, len);
705 return true;
706 }
707
708 static void runstate_init(void)
709 {
710 const RunStateTransition *p;
711
712 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
713 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
714 runstate_valid_transitions[p->from][p->to] = true;
715 }
716
717 qemu_mutex_init(&vmstop_lock);
718 }
719
720 /* This function will abort() on invalid state transitions */
721 void runstate_set(RunState new_state)
722 {
723 assert(new_state < RUN_STATE__MAX);
724
725 if (current_run_state == new_state) {
726 return;
727 }
728
729 if (!runstate_valid_transitions[current_run_state][new_state]) {
730 error_report("invalid runstate transition: '%s' -> '%s'",
731 RunState_str(current_run_state),
732 RunState_str(new_state));
733 abort();
734 }
735 trace_runstate_set(new_state);
736 current_run_state = new_state;
737 }
738
739 int runstate_is_running(void)
740 {
741 return runstate_check(RUN_STATE_RUNNING);
742 }
743
744 bool runstate_needs_reset(void)
745 {
746 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
747 runstate_check(RUN_STATE_SHUTDOWN);
748 }
749
750 StatusInfo *qmp_query_status(Error **errp)
751 {
752 StatusInfo *info = g_malloc0(sizeof(*info));
753
754 info->running = runstate_is_running();
755 info->singlestep = singlestep;
756 info->status = current_run_state;
757
758 return info;
759 }
760
761 bool qemu_vmstop_requested(RunState *r)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 *r = vmstop_requested;
765 vmstop_requested = RUN_STATE__MAX;
766 qemu_mutex_unlock(&vmstop_lock);
767 return *r < RUN_STATE__MAX;
768 }
769
770 void qemu_system_vmstop_request_prepare(void)
771 {
772 qemu_mutex_lock(&vmstop_lock);
773 }
774
775 void qemu_system_vmstop_request(RunState state)
776 {
777 vmstop_requested = state;
778 qemu_mutex_unlock(&vmstop_lock);
779 qemu_notify_event();
780 }
781
782 /***********************************************************/
783 /* real time host monotonic timer */
784
785 static time_t qemu_time(void)
786 {
787 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
788 }
789
790 /***********************************************************/
791 /* host time/date access */
792 void qemu_get_timedate(struct tm *tm, int offset)
793 {
794 time_t ti = qemu_time();
795
796 ti += offset;
797 if (rtc_date_offset == -1) {
798 if (rtc_utc)
799 gmtime_r(&ti, tm);
800 else
801 localtime_r(&ti, tm);
802 } else {
803 ti -= rtc_date_offset;
804 gmtime_r(&ti, tm);
805 }
806 }
807
808 int qemu_timedate_diff(struct tm *tm)
809 {
810 time_t seconds;
811
812 if (rtc_date_offset == -1)
813 if (rtc_utc)
814 seconds = mktimegm(tm);
815 else {
816 struct tm tmp = *tm;
817 tmp.tm_isdst = -1; /* use timezone to figure it out */
818 seconds = mktime(&tmp);
819 }
820 else
821 seconds = mktimegm(tm) + rtc_date_offset;
822
823 return seconds - qemu_time();
824 }
825
826 static void configure_rtc_date_offset(const char *startdate)
827 {
828 time_t rtc_start_date;
829 struct tm tm;
830
831 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
832 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
833 /* OK */
834 } else if (sscanf(startdate, "%d-%d-%d",
835 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
836 tm.tm_hour = 0;
837 tm.tm_min = 0;
838 tm.tm_sec = 0;
839 } else {
840 goto date_fail;
841 }
842 tm.tm_year -= 1900;
843 tm.tm_mon--;
844 rtc_start_date = mktimegm(&tm);
845 if (rtc_start_date == -1) {
846 date_fail:
847 error_report("invalid date format");
848 error_printf("valid formats: "
849 "'2006-06-17T16:01:21' or '2006-06-17'\n");
850 exit(1);
851 }
852 rtc_date_offset = qemu_time() - rtc_start_date;
853 }
854
855 static void configure_rtc(QemuOpts *opts)
856 {
857 const char *value;
858
859 value = qemu_opt_get(opts, "base");
860 if (value) {
861 if (!strcmp(value, "utc")) {
862 rtc_utc = 1;
863 } else if (!strcmp(value, "localtime")) {
864 Error *blocker = NULL;
865 rtc_utc = 0;
866 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
867 "-rtc base=localtime");
868 replay_add_blocker(blocker);
869 } else {
870 configure_rtc_date_offset(value);
871 }
872 }
873 value = qemu_opt_get(opts, "clock");
874 if (value) {
875 if (!strcmp(value, "host")) {
876 rtc_clock = QEMU_CLOCK_HOST;
877 } else if (!strcmp(value, "rt")) {
878 rtc_clock = QEMU_CLOCK_REALTIME;
879 } else if (!strcmp(value, "vm")) {
880 rtc_clock = QEMU_CLOCK_VIRTUAL;
881 } else {
882 error_report("invalid option value '%s'", value);
883 exit(1);
884 }
885 }
886 value = qemu_opt_get(opts, "driftfix");
887 if (value) {
888 if (!strcmp(value, "slew")) {
889 static GlobalProperty slew_lost_ticks = {
890 .driver = "mc146818rtc",
891 .property = "lost_tick_policy",
892 .value = "slew",
893 };
894
895 qdev_prop_register_global(&slew_lost_ticks);
896 } else if (!strcmp(value, "none")) {
897 /* discard is default */
898 } else {
899 error_report("invalid option value '%s'", value);
900 exit(1);
901 }
902 }
903 }
904
905 /***********************************************************/
906 /* Bluetooth support */
907 static int nb_hcis;
908 static int cur_hci;
909 static struct HCIInfo *hci_table[MAX_NICS];
910
911 struct HCIInfo *qemu_next_hci(void)
912 {
913 if (cur_hci == nb_hcis)
914 return &null_hci;
915
916 return hci_table[cur_hci++];
917 }
918
919 static int bt_hci_parse(const char *str)
920 {
921 struct HCIInfo *hci;
922 bdaddr_t bdaddr;
923
924 if (nb_hcis >= MAX_NICS) {
925 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
926 return -1;
927 }
928
929 hci = hci_init(str);
930 if (!hci)
931 return -1;
932
933 bdaddr.b[0] = 0x52;
934 bdaddr.b[1] = 0x54;
935 bdaddr.b[2] = 0x00;
936 bdaddr.b[3] = 0x12;
937 bdaddr.b[4] = 0x34;
938 bdaddr.b[5] = 0x56 + nb_hcis;
939 hci->bdaddr_set(hci, bdaddr.b);
940
941 hci_table[nb_hcis++] = hci;
942
943 return 0;
944 }
945
946 static void bt_vhci_add(int vlan_id)
947 {
948 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
949
950 if (!vlan->slave)
951 warn_report("adding a VHCI to an empty scatternet %i",
952 vlan_id);
953
954 bt_vhci_init(bt_new_hci(vlan));
955 }
956
957 static struct bt_device_s *bt_device_add(const char *opt)
958 {
959 struct bt_scatternet_s *vlan;
960 int vlan_id = 0;
961 char *endp = strstr(opt, ",vlan=");
962 int len = (endp ? endp - opt : strlen(opt)) + 1;
963 char devname[10];
964
965 pstrcpy(devname, MIN(sizeof(devname), len), opt);
966
967 if (endp) {
968 vlan_id = strtol(endp + 6, &endp, 0);
969 if (*endp) {
970 error_report("unrecognised bluetooth vlan Id");
971 return 0;
972 }
973 }
974
975 vlan = qemu_find_bt_vlan(vlan_id);
976
977 if (!vlan->slave)
978 warn_report("adding a slave device to an empty scatternet %i",
979 vlan_id);
980
981 if (!strcmp(devname, "keyboard"))
982 return bt_keyboard_init(vlan);
983
984 error_report("unsupported bluetooth device '%s'", devname);
985 return 0;
986 }
987
988 static int bt_parse(const char *opt)
989 {
990 const char *endp, *p;
991 int vlan;
992
993 if (strstart(opt, "hci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp)
996 if (!strstart(endp, ",vlan=", 0))
997 opt = endp + 1;
998
999 return bt_hci_parse(opt);
1000 }
1001 } else if (strstart(opt, "vhci", &endp)) {
1002 if (!*endp || *endp == ',') {
1003 if (*endp) {
1004 if (strstart(endp, ",vlan=", &p)) {
1005 vlan = strtol(p, (char **) &endp, 0);
1006 if (*endp) {
1007 error_report("bad scatternet '%s'", p);
1008 return 1;
1009 }
1010 } else {
1011 error_report("bad parameter '%s'", endp + 1);
1012 return 1;
1013 }
1014 } else
1015 vlan = 0;
1016
1017 bt_vhci_add(vlan);
1018 return 0;
1019 }
1020 } else if (strstart(opt, "device:", &endp))
1021 return !bt_device_add(endp);
1022
1023 error_report("bad bluetooth parameter '%s'", opt);
1024 return 1;
1025 }
1026
1027 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 {
1029 const char *proc_name;
1030
1031 if (qemu_opt_get(opts, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 }
1034 qemu_name = qemu_opt_get(opts, "guest");
1035
1036 proc_name = qemu_opt_get(opts, "process");
1037 if (proc_name) {
1038 os_set_proc_name(proc_name);
1039 }
1040
1041 return 0;
1042 }
1043
1044 bool defaults_enabled(void)
1045 {
1046 return has_defaults;
1047 }
1048
1049 #ifndef _WIN32
1050 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1051 {
1052 int fd, dupfd, flags;
1053 int64_t fdset_id;
1054 const char *fd_opaque = NULL;
1055 AddfdInfo *fdinfo;
1056
1057 fd = qemu_opt_get_number(opts, "fd", -1);
1058 fdset_id = qemu_opt_get_number(opts, "set", -1);
1059 fd_opaque = qemu_opt_get(opts, "opaque");
1060
1061 if (fd < 0) {
1062 error_report("fd option is required and must be non-negative");
1063 return -1;
1064 }
1065
1066 if (fd <= STDERR_FILENO) {
1067 error_report("fd cannot be a standard I/O stream");
1068 return -1;
1069 }
1070
1071 /*
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1074 */
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 error_report("fd is not valid or already in use");
1078 return -1;
1079 }
1080
1081 if (fdset_id < 0) {
1082 error_report("set option is required and must be non-negative");
1083 return -1;
1084 }
1085
1086 #ifdef F_DUPFD_CLOEXEC
1087 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1088 #else
1089 dupfd = dup(fd);
1090 if (dupfd != -1) {
1091 qemu_set_cloexec(dupfd);
1092 }
1093 #endif
1094 if (dupfd == -1) {
1095 error_report("error duplicating fd: %s", strerror(errno));
1096 return -1;
1097 }
1098
1099 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1100 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1101 &error_abort);
1102 g_free(fdinfo);
1103
1104 return 0;
1105 }
1106
1107 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1108 {
1109 int fd;
1110
1111 fd = qemu_opt_get_number(opts, "fd", -1);
1112 close(fd);
1113
1114 return 0;
1115 }
1116 #endif
1117
1118 /***********************************************************/
1119 /* QEMU Block devices */
1120
1121 #define HD_OPTS "media=disk"
1122 #define CDROM_OPTS "media=cdrom"
1123 #define FD_OPTS ""
1124 #define PFLASH_OPTS ""
1125 #define MTD_OPTS ""
1126 #define SD_OPTS ""
1127
1128 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 BlockInterfaceType *block_default_type = opaque;
1131
1132 return drive_new(opts, *block_default_type) == NULL;
1133 }
1134
1135 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1136 {
1137 if (qemu_opt_get(opts, "snapshot") == NULL) {
1138 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1139 }
1140 return 0;
1141 }
1142
1143 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1144 int index, const char *optstr)
1145 {
1146 QemuOpts *opts;
1147 DriveInfo *dinfo;
1148
1149 if (!enable || drive_get_by_index(type, index)) {
1150 return;
1151 }
1152
1153 opts = drive_add(type, index, NULL, optstr);
1154 if (snapshot) {
1155 drive_enable_snapshot(NULL, opts, NULL);
1156 }
1157
1158 dinfo = drive_new(opts, type);
1159 if (!dinfo) {
1160 exit(1);
1161 }
1162 dinfo->is_default = true;
1163
1164 }
1165
1166 static QemuOptsList qemu_smp_opts = {
1167 .name = "smp-opts",
1168 .implied_opt_name = "cpus",
1169 .merge_lists = true,
1170 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1171 .desc = {
1172 {
1173 .name = "cpus",
1174 .type = QEMU_OPT_NUMBER,
1175 }, {
1176 .name = "sockets",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "cores",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "threads",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "maxcpus",
1186 .type = QEMU_OPT_NUMBER,
1187 },
1188 { /*End of list */ }
1189 },
1190 };
1191
1192 static void smp_parse(QemuOpts *opts)
1193 {
1194 if (opts) {
1195 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1196 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1197 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1198 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1199
1200 /* compute missing values, prefer sockets over cores over threads */
1201 if (cpus == 0 || sockets == 0) {
1202 sockets = sockets > 0 ? sockets : 1;
1203 cores = cores > 0 ? cores : 1;
1204 threads = threads > 0 ? threads : 1;
1205 if (cpus == 0) {
1206 cpus = cores * threads * sockets;
1207 }
1208 } else if (cores == 0) {
1209 threads = threads > 0 ? threads : 1;
1210 cores = cpus / (sockets * threads);
1211 cores = cores > 0 ? cores : 1;
1212 } else if (threads == 0) {
1213 threads = cpus / (cores * sockets);
1214 threads = threads > 0 ? threads : 1;
1215 } else if (sockets * cores * threads < cpus) {
1216 error_report("cpu topology: "
1217 "sockets (%u) * cores (%u) * threads (%u) < "
1218 "smp_cpus (%u)",
1219 sockets, cores, threads, cpus);
1220 exit(1);
1221 }
1222
1223 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1224
1225 if (max_cpus < cpus) {
1226 error_report("maxcpus must be equal to or greater than smp");
1227 exit(1);
1228 }
1229
1230 if (sockets * cores * threads > max_cpus) {
1231 error_report("cpu topology: "
1232 "sockets (%u) * cores (%u) * threads (%u) > "
1233 "maxcpus (%u)",
1234 sockets, cores, threads, max_cpus);
1235 exit(1);
1236 }
1237
1238 smp_cpus = cpus;
1239 smp_cores = cores;
1240 smp_threads = threads;
1241 }
1242
1243 if (smp_cpus > 1) {
1244 Error *blocker = NULL;
1245 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1246 replay_add_blocker(blocker);
1247 }
1248 }
1249
1250 static void realtime_init(void)
1251 {
1252 if (enable_mlock) {
1253 if (os_mlock() < 0) {
1254 error_report("locking memory failed");
1255 exit(1);
1256 }
1257 }
1258 }
1259
1260
1261 static void configure_msg(QemuOpts *opts)
1262 {
1263 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 }
1265
1266 /***********************************************************/
1267 /* Semihosting */
1268
1269 typedef struct SemihostingConfig {
1270 bool enabled;
1271 SemihostingTarget target;
1272 const char **argv;
1273 int argc;
1274 const char *cmdline; /* concatenated argv */
1275 } SemihostingConfig;
1276
1277 static SemihostingConfig semihosting;
1278
1279 bool semihosting_enabled(void)
1280 {
1281 return semihosting.enabled;
1282 }
1283
1284 SemihostingTarget semihosting_get_target(void)
1285 {
1286 return semihosting.target;
1287 }
1288
1289 const char *semihosting_get_arg(int i)
1290 {
1291 if (i >= semihosting.argc) {
1292 return NULL;
1293 }
1294 return semihosting.argv[i];
1295 }
1296
1297 int semihosting_get_argc(void)
1298 {
1299 return semihosting.argc;
1300 }
1301
1302 const char *semihosting_get_cmdline(void)
1303 {
1304 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1305 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 }
1307 return semihosting.cmdline;
1308 }
1309
1310 static int add_semihosting_arg(void *opaque,
1311 const char *name, const char *val,
1312 Error **errp)
1313 {
1314 SemihostingConfig *s = opaque;
1315 if (strcmp(name, "arg") == 0) {
1316 s->argc++;
1317 /* one extra element as g_strjoinv() expects NULL-terminated array */
1318 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1319 s->argv[s->argc - 1] = val;
1320 s->argv[s->argc] = NULL;
1321 }
1322 return 0;
1323 }
1324
1325 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1326 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1327 {
1328 char *cmd_token;
1329
1330 /* argv[0] */
1331 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332
1333 /* split -append and initialize argv[1..n] */
1334 cmd_token = strtok(g_strdup(cmd), " ");
1335 while (cmd_token) {
1336 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1337 cmd_token = strtok(NULL, " ");
1338 }
1339 }
1340
1341 /* Now we still need this for compatibility with XEN. */
1342 bool has_igd_gfx_passthru;
1343 static void igd_gfx_passthru(void)
1344 {
1345 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1346 }
1347
1348 /***********************************************************/
1349 /* USB devices */
1350
1351 static int usb_device_add(const char *devname)
1352 {
1353 USBDevice *dev = NULL;
1354
1355 if (!machine_usb(current_machine)) {
1356 return -1;
1357 }
1358
1359 dev = usbdevice_create(devname);
1360 if (!dev)
1361 return -1;
1362
1363 return 0;
1364 }
1365
1366 static int usb_parse(const char *cmdline)
1367 {
1368 int r;
1369 r = usb_device_add(cmdline);
1370 if (r < 0) {
1371 error_report("could not add USB device '%s'", cmdline);
1372 }
1373 return r;
1374 }
1375
1376 /***********************************************************/
1377 /* machine registration */
1378
1379 MachineState *current_machine;
1380
1381 static MachineClass *find_machine(const char *name)
1382 {
1383 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1384 MachineClass *mc = NULL;
1385
1386 for (el = machines; el; el = el->next) {
1387 MachineClass *temp = el->data;
1388
1389 if (!strcmp(temp->name, name)) {
1390 mc = temp;
1391 break;
1392 }
1393 if (temp->alias &&
1394 !strcmp(temp->alias, name)) {
1395 mc = temp;
1396 break;
1397 }
1398 }
1399
1400 g_slist_free(machines);
1401 return mc;
1402 }
1403
1404 MachineClass *find_default_machine(void)
1405 {
1406 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1407 MachineClass *mc = NULL;
1408
1409 for (el = machines; el; el = el->next) {
1410 MachineClass *temp = el->data;
1411
1412 if (temp->is_default) {
1413 mc = temp;
1414 break;
1415 }
1416 }
1417
1418 g_slist_free(machines);
1419 return mc;
1420 }
1421
1422 MachineInfoList *qmp_query_machines(Error **errp)
1423 {
1424 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1425 MachineInfoList *mach_list = NULL;
1426
1427 for (el = machines; el; el = el->next) {
1428 MachineClass *mc = el->data;
1429 MachineInfoList *entry;
1430 MachineInfo *info;
1431
1432 info = g_malloc0(sizeof(*info));
1433 if (mc->is_default) {
1434 info->has_is_default = true;
1435 info->is_default = true;
1436 }
1437
1438 if (mc->alias) {
1439 info->has_alias = true;
1440 info->alias = g_strdup(mc->alias);
1441 }
1442
1443 info->name = g_strdup(mc->name);
1444 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1445 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1446
1447 entry = g_malloc0(sizeof(*entry));
1448 entry->value = info;
1449 entry->next = mach_list;
1450 mach_list = entry;
1451 }
1452
1453 g_slist_free(machines);
1454 return mach_list;
1455 }
1456
1457 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1458 {
1459 ObjectProperty *prop;
1460 ObjectPropertyIterator iter;
1461
1462 if (!qemu_opt_has_help_opt(opts)) {
1463 return 0;
1464 }
1465
1466 object_property_iter_init(&iter, OBJECT(machine));
1467 while ((prop = object_property_iter_next(&iter))) {
1468 if (!prop->set) {
1469 continue;
1470 }
1471
1472 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1473 prop->name, prop->type);
1474 if (prop->description) {
1475 error_printf(" (%s)\n", prop->description);
1476 } else {
1477 error_printf("\n");
1478 }
1479 }
1480
1481 return 1;
1482 }
1483
1484 /***********************************************************/
1485 /* main execution loop */
1486
1487 struct vm_change_state_entry {
1488 VMChangeStateHandler *cb;
1489 void *opaque;
1490 QLIST_ENTRY (vm_change_state_entry) entries;
1491 };
1492
1493 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1494
1495 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1496 void *opaque)
1497 {
1498 VMChangeStateEntry *e;
1499
1500 e = g_malloc0(sizeof (*e));
1501
1502 e->cb = cb;
1503 e->opaque = opaque;
1504 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1505 return e;
1506 }
1507
1508 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1509 {
1510 QLIST_REMOVE (e, entries);
1511 g_free (e);
1512 }
1513
1514 void vm_state_notify(int running, RunState state)
1515 {
1516 VMChangeStateEntry *e, *next;
1517
1518 trace_vm_state_notify(running, state);
1519
1520 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1521 e->cb(e->opaque, running, state);
1522 }
1523 }
1524
1525 static ShutdownCause reset_requested;
1526 static ShutdownCause shutdown_requested;
1527 static int shutdown_signal;
1528 static pid_t shutdown_pid;
1529 static int powerdown_requested;
1530 static int debug_requested;
1531 static int suspend_requested;
1532 static bool preconfig_exit_requested = true;
1533 static WakeupReason wakeup_reason;
1534 static NotifierList powerdown_notifiers =
1535 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1536 static NotifierList suspend_notifiers =
1537 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1538 static NotifierList wakeup_notifiers =
1539 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1540 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1541
1542 ShutdownCause qemu_shutdown_requested_get(void)
1543 {
1544 return shutdown_requested;
1545 }
1546
1547 ShutdownCause qemu_reset_requested_get(void)
1548 {
1549 return reset_requested;
1550 }
1551
1552 static int qemu_shutdown_requested(void)
1553 {
1554 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1555 }
1556
1557 static void qemu_kill_report(void)
1558 {
1559 if (!qtest_driver() && shutdown_signal) {
1560 if (shutdown_pid == 0) {
1561 /* This happens for eg ^C at the terminal, so it's worth
1562 * avoiding printing an odd message in that case.
1563 */
1564 error_report("terminating on signal %d", shutdown_signal);
1565 } else {
1566 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1567
1568 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1569 shutdown_signal, shutdown_pid,
1570 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1571 g_free(shutdown_cmd);
1572 }
1573 shutdown_signal = 0;
1574 }
1575 }
1576
1577 static ShutdownCause qemu_reset_requested(void)
1578 {
1579 ShutdownCause r = reset_requested;
1580
1581 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1582 reset_requested = SHUTDOWN_CAUSE_NONE;
1583 return r;
1584 }
1585 return SHUTDOWN_CAUSE_NONE;
1586 }
1587
1588 static int qemu_suspend_requested(void)
1589 {
1590 int r = suspend_requested;
1591 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1592 suspend_requested = 0;
1593 return r;
1594 }
1595 return false;
1596 }
1597
1598 static WakeupReason qemu_wakeup_requested(void)
1599 {
1600 return wakeup_reason;
1601 }
1602
1603 static int qemu_powerdown_requested(void)
1604 {
1605 int r = powerdown_requested;
1606 powerdown_requested = 0;
1607 return r;
1608 }
1609
1610 static int qemu_debug_requested(void)
1611 {
1612 int r = debug_requested;
1613 debug_requested = 0;
1614 return r;
1615 }
1616
1617 void qemu_exit_preconfig_request(void)
1618 {
1619 preconfig_exit_requested = true;
1620 }
1621
1622 /*
1623 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1624 */
1625 void qemu_system_reset(ShutdownCause reason)
1626 {
1627 MachineClass *mc;
1628
1629 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1630
1631 cpu_synchronize_all_states();
1632
1633 if (mc && mc->reset) {
1634 mc->reset();
1635 } else {
1636 qemu_devices_reset();
1637 }
1638 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1639 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1640 }
1641 cpu_synchronize_all_post_reset();
1642 }
1643
1644 void qemu_system_guest_panicked(GuestPanicInformation *info)
1645 {
1646 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1647
1648 if (current_cpu) {
1649 current_cpu->crash_occurred = true;
1650 }
1651 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1652 !!info, info);
1653 vm_stop(RUN_STATE_GUEST_PANICKED);
1654 if (!no_shutdown) {
1655 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1656 !!info, info);
1657 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1658 }
1659
1660 if (info) {
1661 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1662 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1663 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1664 info->u.hyper_v.arg1,
1665 info->u.hyper_v.arg2,
1666 info->u.hyper_v.arg3,
1667 info->u.hyper_v.arg4,
1668 info->u.hyper_v.arg5);
1669 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1670 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1671 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1672 info->u.s390.core,
1673 S390CrashReason_str(info->u.s390.reason),
1674 info->u.s390.psw_mask,
1675 info->u.s390.psw_addr);
1676 }
1677 qapi_free_GuestPanicInformation(info);
1678 }
1679 }
1680
1681 void qemu_system_reset_request(ShutdownCause reason)
1682 {
1683 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1684 shutdown_requested = reason;
1685 } else {
1686 reset_requested = reason;
1687 }
1688 cpu_stop_current();
1689 qemu_notify_event();
1690 }
1691
1692 static void qemu_system_suspend(void)
1693 {
1694 pause_all_vcpus();
1695 notifier_list_notify(&suspend_notifiers, NULL);
1696 runstate_set(RUN_STATE_SUSPENDED);
1697 qapi_event_send_suspend();
1698 }
1699
1700 void qemu_system_suspend_request(void)
1701 {
1702 if (runstate_check(RUN_STATE_SUSPENDED)) {
1703 return;
1704 }
1705 suspend_requested = 1;
1706 cpu_stop_current();
1707 qemu_notify_event();
1708 }
1709
1710 void qemu_register_suspend_notifier(Notifier *notifier)
1711 {
1712 notifier_list_add(&suspend_notifiers, notifier);
1713 }
1714
1715 void qemu_system_wakeup_request(WakeupReason reason)
1716 {
1717 trace_system_wakeup_request(reason);
1718
1719 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1720 return;
1721 }
1722 if (!(wakeup_reason_mask & (1 << reason))) {
1723 return;
1724 }
1725 runstate_set(RUN_STATE_RUNNING);
1726 wakeup_reason = reason;
1727 qemu_notify_event();
1728 }
1729
1730 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1731 {
1732 if (enabled) {
1733 wakeup_reason_mask |= (1 << reason);
1734 } else {
1735 wakeup_reason_mask &= ~(1 << reason);
1736 }
1737 }
1738
1739 void qemu_register_wakeup_notifier(Notifier *notifier)
1740 {
1741 notifier_list_add(&wakeup_notifiers, notifier);
1742 }
1743
1744 void qemu_system_killed(int signal, pid_t pid)
1745 {
1746 shutdown_signal = signal;
1747 shutdown_pid = pid;
1748 no_shutdown = 0;
1749
1750 /* Cannot call qemu_system_shutdown_request directly because
1751 * we are in a signal handler.
1752 */
1753 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1754 qemu_notify_event();
1755 }
1756
1757 void qemu_system_shutdown_request(ShutdownCause reason)
1758 {
1759 trace_qemu_system_shutdown_request(reason);
1760 replay_shutdown_request(reason);
1761 shutdown_requested = reason;
1762 qemu_notify_event();
1763 }
1764
1765 static void qemu_system_powerdown(void)
1766 {
1767 qapi_event_send_powerdown();
1768 notifier_list_notify(&powerdown_notifiers, NULL);
1769 }
1770
1771 void qemu_system_powerdown_request(void)
1772 {
1773 trace_qemu_system_powerdown_request();
1774 powerdown_requested = 1;
1775 qemu_notify_event();
1776 }
1777
1778 void qemu_register_powerdown_notifier(Notifier *notifier)
1779 {
1780 notifier_list_add(&powerdown_notifiers, notifier);
1781 }
1782
1783 void qemu_system_debug_request(void)
1784 {
1785 debug_requested = 1;
1786 qemu_notify_event();
1787 }
1788
1789 static bool main_loop_should_exit(void)
1790 {
1791 RunState r;
1792 ShutdownCause request;
1793
1794 if (preconfig_exit_requested) {
1795 if (runstate_check(RUN_STATE_PRECONFIG)) {
1796 runstate_set(RUN_STATE_PRELAUNCH);
1797 }
1798 preconfig_exit_requested = false;
1799 return true;
1800 }
1801 if (qemu_debug_requested()) {
1802 vm_stop(RUN_STATE_DEBUG);
1803 }
1804 if (qemu_suspend_requested()) {
1805 qemu_system_suspend();
1806 }
1807 request = qemu_shutdown_requested();
1808 if (request) {
1809 qemu_kill_report();
1810 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1811 if (no_shutdown) {
1812 vm_stop(RUN_STATE_SHUTDOWN);
1813 } else {
1814 return true;
1815 }
1816 }
1817 request = qemu_reset_requested();
1818 if (request) {
1819 pause_all_vcpus();
1820 qemu_system_reset(request);
1821 resume_all_vcpus();
1822 if (!runstate_check(RUN_STATE_RUNNING) &&
1823 !runstate_check(RUN_STATE_INMIGRATE)) {
1824 runstate_set(RUN_STATE_PRELAUNCH);
1825 }
1826 }
1827 if (qemu_wakeup_requested()) {
1828 pause_all_vcpus();
1829 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1830 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1831 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1832 resume_all_vcpus();
1833 qapi_event_send_wakeup();
1834 }
1835 if (qemu_powerdown_requested()) {
1836 qemu_system_powerdown();
1837 }
1838 if (qemu_vmstop_requested(&r)) {
1839 vm_stop(r);
1840 }
1841 return false;
1842 }
1843
1844 static void main_loop(void)
1845 {
1846 #ifdef CONFIG_PROFILER
1847 int64_t ti;
1848 #endif
1849 while (!main_loop_should_exit()) {
1850 #ifdef CONFIG_PROFILER
1851 ti = profile_getclock();
1852 #endif
1853 main_loop_wait(false);
1854 #ifdef CONFIG_PROFILER
1855 dev_time += profile_getclock() - ti;
1856 #endif
1857 }
1858 }
1859
1860 static void version(void)
1861 {
1862 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1863 QEMU_COPYRIGHT "\n");
1864 }
1865
1866 static void help(int exitcode)
1867 {
1868 version();
1869 printf("usage: %s [options] [disk_image]\n\n"
1870 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1871 error_get_progname());
1872
1873 #define QEMU_OPTIONS_GENERATE_HELP
1874 #include "qemu-options-wrapper.h"
1875
1876 printf("\nDuring emulation, the following keys are useful:\n"
1877 "ctrl-alt-f toggle full screen\n"
1878 "ctrl-alt-n switch to virtual console 'n'\n"
1879 "ctrl-alt toggle mouse and keyboard grab\n"
1880 "\n"
1881 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1882 "\n"
1883 QEMU_HELP_BOTTOM "\n");
1884
1885 exit(exitcode);
1886 }
1887
1888 #define HAS_ARG 0x0001
1889
1890 typedef struct QEMUOption {
1891 const char *name;
1892 int flags;
1893 int index;
1894 uint32_t arch_mask;
1895 } QEMUOption;
1896
1897 static const QEMUOption qemu_options[] = {
1898 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1899 #define QEMU_OPTIONS_GENERATE_OPTIONS
1900 #include "qemu-options-wrapper.h"
1901 { NULL },
1902 };
1903
1904 typedef struct VGAInterfaceInfo {
1905 const char *opt_name; /* option name */
1906 const char *name; /* human-readable name */
1907 /* Class names indicating that support is available.
1908 * If no class is specified, the interface is always available */
1909 const char *class_names[2];
1910 } VGAInterfaceInfo;
1911
1912 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1913 [VGA_NONE] = {
1914 .opt_name = "none",
1915 },
1916 [VGA_STD] = {
1917 .opt_name = "std",
1918 .name = "standard VGA",
1919 .class_names = { "VGA", "isa-vga" },
1920 },
1921 [VGA_CIRRUS] = {
1922 .opt_name = "cirrus",
1923 .name = "Cirrus VGA",
1924 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1925 },
1926 [VGA_VMWARE] = {
1927 .opt_name = "vmware",
1928 .name = "VMWare SVGA",
1929 .class_names = { "vmware-svga" },
1930 },
1931 [VGA_VIRTIO] = {
1932 .opt_name = "virtio",
1933 .name = "Virtio VGA",
1934 .class_names = { "virtio-vga" },
1935 },
1936 [VGA_QXL] = {
1937 .opt_name = "qxl",
1938 .name = "QXL VGA",
1939 .class_names = { "qxl-vga" },
1940 },
1941 [VGA_TCX] = {
1942 .opt_name = "tcx",
1943 .name = "TCX framebuffer",
1944 .class_names = { "SUNW,tcx" },
1945 },
1946 [VGA_CG3] = {
1947 .opt_name = "cg3",
1948 .name = "CG3 framebuffer",
1949 .class_names = { "cgthree" },
1950 },
1951 [VGA_XENFB] = {
1952 .opt_name = "xenfb",
1953 },
1954 };
1955
1956 static bool vga_interface_available(VGAInterfaceType t)
1957 {
1958 VGAInterfaceInfo *ti = &vga_interfaces[t];
1959
1960 assert(t < VGA_TYPE_MAX);
1961 return !ti->class_names[0] ||
1962 object_class_by_name(ti->class_names[0]) ||
1963 object_class_by_name(ti->class_names[1]);
1964 }
1965
1966 static void select_vgahw(const char *p)
1967 {
1968 const char *opts;
1969 int t;
1970
1971 assert(vga_interface_type == VGA_NONE);
1972 for (t = 0; t < VGA_TYPE_MAX; t++) {
1973 VGAInterfaceInfo *ti = &vga_interfaces[t];
1974 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1975 if (!vga_interface_available(t)) {
1976 error_report("%s not available", ti->name);
1977 exit(1);
1978 }
1979 vga_interface_type = t;
1980 break;
1981 }
1982 }
1983 if (t == VGA_TYPE_MAX) {
1984 invalid_vga:
1985 error_report("unknown vga type: %s", p);
1986 exit(1);
1987 }
1988 while (*opts) {
1989 const char *nextopt;
1990
1991 if (strstart(opts, ",retrace=", &nextopt)) {
1992 opts = nextopt;
1993 if (strstart(opts, "dumb", &nextopt))
1994 vga_retrace_method = VGA_RETRACE_DUMB;
1995 else if (strstart(opts, "precise", &nextopt))
1996 vga_retrace_method = VGA_RETRACE_PRECISE;
1997 else goto invalid_vga;
1998 } else goto invalid_vga;
1999 opts = nextopt;
2000 }
2001 }
2002
2003 static void parse_display_qapi(const char *optarg)
2004 {
2005 DisplayOptions *opts;
2006 Visitor *v;
2007
2008 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2009
2010 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2011 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2012
2013 qapi_free_DisplayOptions(opts);
2014 visit_free(v);
2015 }
2016
2017 static void parse_display(const char *p)
2018 {
2019 const char *opts;
2020
2021 if (strstart(p, "sdl", &opts)) {
2022 /*
2023 * sdl DisplayType needs hand-crafted parser instead of
2024 * parse_display_qapi() due to some options not in
2025 * DisplayOptions, specifically:
2026 * - frame
2027 * Already deprecated.
2028 * - ctrl_grab + alt_grab
2029 * Not clear yet what happens to them long-term. Should
2030 * replaced by something better or deprecated and dropped.
2031 */
2032 dpy.type = DISPLAY_TYPE_SDL;
2033 while (*opts) {
2034 const char *nextopt;
2035
2036 if (strstart(opts, ",frame=", &nextopt)) {
2037 g_printerr("The frame= sdl option is deprecated, and will be\n"
2038 "removed in a future release.\n");
2039 opts = nextopt;
2040 if (strstart(opts, "on", &nextopt)) {
2041 no_frame = 0;
2042 } else if (strstart(opts, "off", &nextopt)) {
2043 no_frame = 1;
2044 } else {
2045 goto invalid_sdl_args;
2046 }
2047 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2048 opts = nextopt;
2049 if (strstart(opts, "on", &nextopt)) {
2050 alt_grab = 1;
2051 } else if (strstart(opts, "off", &nextopt)) {
2052 alt_grab = 0;
2053 } else {
2054 goto invalid_sdl_args;
2055 }
2056 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 ctrl_grab = 1;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 ctrl_grab = 0;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",window_close=", &nextopt)) {
2066 opts = nextopt;
2067 dpy.has_window_close = true;
2068 if (strstart(opts, "on", &nextopt)) {
2069 dpy.window_close = true;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 dpy.window_close = false;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",gl=", &nextopt)) {
2076 opts = nextopt;
2077 dpy.has_gl = true;
2078 if (strstart(opts, "on", &nextopt)) {
2079 dpy.gl = DISPLAYGL_MODE_ON;
2080 } else if (strstart(opts, "core", &nextopt)) {
2081 dpy.gl = DISPLAYGL_MODE_CORE;
2082 } else if (strstart(opts, "es", &nextopt)) {
2083 dpy.gl = DISPLAYGL_MODE_ES;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 dpy.gl = DISPLAYGL_MODE_OFF;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else {
2090 invalid_sdl_args:
2091 error_report("invalid SDL option string");
2092 exit(1);
2093 }
2094 opts = nextopt;
2095 }
2096 } else if (strstart(p, "vnc", &opts)) {
2097 /*
2098 * vnc isn't a (local) DisplayType but a protocol for remote
2099 * display access.
2100 */
2101 if (*opts == '=') {
2102 vnc_parse(opts + 1, &error_fatal);
2103 } else {
2104 error_report("VNC requires a display argument vnc=<display>");
2105 exit(1);
2106 }
2107 } else {
2108 parse_display_qapi(p);
2109 }
2110 }
2111
2112 char *qemu_find_file(int type, const char *name)
2113 {
2114 int i;
2115 const char *subdir;
2116 char *buf;
2117
2118 /* Try the name as a straight path first */
2119 if (access(name, R_OK) == 0) {
2120 trace_load_file(name, name);
2121 return g_strdup(name);
2122 }
2123
2124 switch (type) {
2125 case QEMU_FILE_TYPE_BIOS:
2126 subdir = "";
2127 break;
2128 case QEMU_FILE_TYPE_KEYMAP:
2129 subdir = "keymaps/";
2130 break;
2131 default:
2132 abort();
2133 }
2134
2135 for (i = 0; i < data_dir_idx; i++) {
2136 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2137 if (access(buf, R_OK) == 0) {
2138 trace_load_file(name, buf);
2139 return buf;
2140 }
2141 g_free(buf);
2142 }
2143 return NULL;
2144 }
2145
2146 static void qemu_add_data_dir(const char *path)
2147 {
2148 int i;
2149
2150 if (path == NULL) {
2151 return;
2152 }
2153 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2154 return;
2155 }
2156 for (i = 0; i < data_dir_idx; i++) {
2157 if (strcmp(data_dir[i], path) == 0) {
2158 return; /* duplicate */
2159 }
2160 }
2161 data_dir[data_dir_idx++] = g_strdup(path);
2162 }
2163
2164 static inline bool nonempty_str(const char *str)
2165 {
2166 return str && *str;
2167 }
2168
2169 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2170 {
2171 gchar *buf;
2172 size_t size;
2173 const char *name, *file, *str;
2174 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2175
2176 if (fw_cfg == NULL) {
2177 error_report("fw_cfg device not available");
2178 return -1;
2179 }
2180 name = qemu_opt_get(opts, "name");
2181 file = qemu_opt_get(opts, "file");
2182 str = qemu_opt_get(opts, "string");
2183
2184 /* we need name and either a file or the content string */
2185 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2186 error_report("invalid argument(s)");
2187 return -1;
2188 }
2189 if (nonempty_str(file) && nonempty_str(str)) {
2190 error_report("file and string are mutually exclusive");
2191 return -1;
2192 }
2193 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2194 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2195 return -1;
2196 }
2197 if (strncmp(name, "opt/", 4) != 0) {
2198 warn_report("externally provided fw_cfg item names "
2199 "should be prefixed with \"opt/\"");
2200 }
2201 if (nonempty_str(str)) {
2202 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2203 buf = g_memdup(str, size);
2204 } else {
2205 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2206 error_report("can't load %s", file);
2207 return -1;
2208 }
2209 }
2210 /* For legacy, keep user files in a specific global order. */
2211 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2212 fw_cfg_add_file(fw_cfg, name, buf, size);
2213 fw_cfg_reset_order_override(fw_cfg);
2214 return 0;
2215 }
2216
2217 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2218 {
2219 return qdev_device_help(opts);
2220 }
2221
2222 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2223 {
2224 Error *err = NULL;
2225 DeviceState *dev;
2226
2227 dev = qdev_device_add(opts, &err);
2228 if (!dev) {
2229 error_report_err(err);
2230 return -1;
2231 }
2232 object_unref(OBJECT(dev));
2233 return 0;
2234 }
2235
2236 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2237 {
2238 Error *local_err = NULL;
2239
2240 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2241 if (local_err) {
2242 error_report_err(local_err);
2243 return -1;
2244 }
2245 exit(0);
2246 }
2247 return 0;
2248 }
2249
2250 #ifdef CONFIG_VIRTFS
2251 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2252 {
2253 return qemu_fsdev_add(opts);
2254 }
2255 #endif
2256
2257 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2258 {
2259 Chardev *chr;
2260 const char *chardev;
2261 const char *mode;
2262 int flags;
2263
2264 mode = qemu_opt_get(opts, "mode");
2265 if (mode == NULL) {
2266 mode = "readline";
2267 }
2268 if (strcmp(mode, "readline") == 0) {
2269 flags = MONITOR_USE_READLINE;
2270 } else if (strcmp(mode, "control") == 0) {
2271 flags = MONITOR_USE_CONTROL;
2272 } else {
2273 error_report("unknown monitor mode \"%s\"", mode);
2274 exit(1);
2275 }
2276
2277 if (qemu_opt_get_bool(opts, "pretty", 0))
2278 flags |= MONITOR_USE_PRETTY;
2279
2280 /* OOB is off by default */
2281 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2282 flags |= MONITOR_USE_OOB;
2283 }
2284
2285 chardev = qemu_opt_get(opts, "chardev");
2286 chr = qemu_chr_find(chardev);
2287 if (chr == NULL) {
2288 error_report("chardev \"%s\" not found", chardev);
2289 exit(1);
2290 }
2291
2292 monitor_init(chr, flags);
2293 return 0;
2294 }
2295
2296 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2297 {
2298 static int monitor_device_index = 0;
2299 QemuOpts *opts;
2300 const char *p;
2301 char label[32];
2302
2303 if (strstart(optarg, "chardev:", &p)) {
2304 snprintf(label, sizeof(label), "%s", p);
2305 } else {
2306 snprintf(label, sizeof(label), "compat_monitor%d",
2307 monitor_device_index);
2308 opts = qemu_chr_parse_compat(label, optarg, true);
2309 if (!opts) {
2310 error_report("parse error: %s", optarg);
2311 exit(1);
2312 }
2313 }
2314
2315 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2316 qemu_opt_set(opts, "mode", mode, &error_abort);
2317 qemu_opt_set(opts, "chardev", label, &error_abort);
2318 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2319 monitor_device_index++;
2320 }
2321
2322 struct device_config {
2323 enum {
2324 DEV_USB, /* -usbdevice */
2325 DEV_BT, /* -bt */
2326 DEV_SERIAL, /* -serial */
2327 DEV_PARALLEL, /* -parallel */
2328 DEV_VIRTCON, /* -virtioconsole */
2329 DEV_DEBUGCON, /* -debugcon */
2330 DEV_GDB, /* -gdb, -s */
2331 DEV_SCLP, /* s390 sclp */
2332 } type;
2333 const char *cmdline;
2334 Location loc;
2335 QTAILQ_ENTRY(device_config) next;
2336 };
2337
2338 static QTAILQ_HEAD(, device_config) device_configs =
2339 QTAILQ_HEAD_INITIALIZER(device_configs);
2340
2341 static void add_device_config(int type, const char *cmdline)
2342 {
2343 struct device_config *conf;
2344
2345 conf = g_malloc0(sizeof(*conf));
2346 conf->type = type;
2347 conf->cmdline = cmdline;
2348 loc_save(&conf->loc);
2349 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2350 }
2351
2352 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2353 {
2354 struct device_config *conf;
2355 int rc;
2356
2357 QTAILQ_FOREACH(conf, &device_configs, next) {
2358 if (conf->type != type)
2359 continue;
2360 loc_push_restore(&conf->loc);
2361 rc = func(conf->cmdline);
2362 loc_pop(&conf->loc);
2363 if (rc) {
2364 return rc;
2365 }
2366 }
2367 return 0;
2368 }
2369
2370 static int serial_parse(const char *devname)
2371 {
2372 int index = num_serial_hds;
2373 char label[32];
2374
2375 if (strcmp(devname, "none") == 0)
2376 return 0;
2377 snprintf(label, sizeof(label), "serial%d", index);
2378 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2379
2380 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2381 if (!serial_hds[index]) {
2382 error_report("could not connect serial device"
2383 " to character backend '%s'", devname);
2384 return -1;
2385 }
2386 num_serial_hds++;
2387 return 0;
2388 }
2389
2390 Chardev *serial_hd(int i)
2391 {
2392 assert(i >= 0);
2393 if (i < num_serial_hds) {
2394 return serial_hds[i];
2395 }
2396 return NULL;
2397 }
2398
2399 int serial_max_hds(void)
2400 {
2401 return num_serial_hds;
2402 }
2403
2404 static int parallel_parse(const char *devname)
2405 {
2406 static int index = 0;
2407 char label[32];
2408
2409 if (strcmp(devname, "none") == 0)
2410 return 0;
2411 if (index == MAX_PARALLEL_PORTS) {
2412 error_report("too many parallel ports");
2413 exit(1);
2414 }
2415 snprintf(label, sizeof(label), "parallel%d", index);
2416 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2417 if (!parallel_hds[index]) {
2418 error_report("could not connect parallel device"
2419 " to character backend '%s'", devname);
2420 return -1;
2421 }
2422 index++;
2423 return 0;
2424 }
2425
2426 static int virtcon_parse(const char *devname)
2427 {
2428 QemuOptsList *device = qemu_find_opts("device");
2429 static int index = 0;
2430 char label[32];
2431 QemuOpts *bus_opts, *dev_opts;
2432
2433 if (strcmp(devname, "none") == 0)
2434 return 0;
2435 if (index == MAX_VIRTIO_CONSOLES) {
2436 error_report("too many virtio consoles");
2437 exit(1);
2438 }
2439
2440 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2441 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2442
2443 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2444 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2445
2446 snprintf(label, sizeof(label), "virtcon%d", index);
2447 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2448 if (!virtcon_hds[index]) {
2449 error_report("could not connect virtio console"
2450 " to character backend '%s'", devname);
2451 return -1;
2452 }
2453 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2454
2455 index++;
2456 return 0;
2457 }
2458
2459 static int debugcon_parse(const char *devname)
2460 {
2461 QemuOpts *opts;
2462
2463 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2464 error_report("invalid character backend '%s'", devname);
2465 exit(1);
2466 }
2467 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2468 if (!opts) {
2469 error_report("already have a debugcon device");
2470 exit(1);
2471 }
2472 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2473 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2474 return 0;
2475 }
2476
2477 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2478 {
2479 const MachineClass *mc1 = a, *mc2 = b;
2480 int res;
2481
2482 if (mc1->family == NULL) {
2483 if (mc2->family == NULL) {
2484 /* Compare standalone machine types against each other; they sort
2485 * in increasing order.
2486 */
2487 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2488 object_class_get_name(OBJECT_CLASS(mc2)));
2489 }
2490
2491 /* Standalone machine types sort after families. */
2492 return 1;
2493 }
2494
2495 if (mc2->family == NULL) {
2496 /* Families sort before standalone machine types. */
2497 return -1;
2498 }
2499
2500 /* Families sort between each other alphabetically increasingly. */
2501 res = strcmp(mc1->family, mc2->family);
2502 if (res != 0) {
2503 return res;
2504 }
2505
2506 /* Within the same family, machine types sort in decreasing order. */
2507 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2508 object_class_get_name(OBJECT_CLASS(mc1)));
2509 }
2510
2511 static MachineClass *machine_parse(const char *name)
2512 {
2513 MachineClass *mc = NULL;
2514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2515
2516 if (name) {
2517 mc = find_machine(name);
2518 }
2519 if (mc) {
2520 g_slist_free(machines);
2521 return mc;
2522 }
2523 if (name && !is_help_option(name)) {
2524 error_report("unsupported machine type");
2525 error_printf("Use -machine help to list supported machines\n");
2526 } else {
2527 printf("Supported machines are:\n");
2528 machines = g_slist_sort(machines, machine_class_cmp);
2529 for (el = machines; el; el = el->next) {
2530 MachineClass *mc = el->data;
2531 if (mc->alias) {
2532 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2533 }
2534 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2535 mc->is_default ? " (default)" : "",
2536 mc->deprecation_reason ? " (deprecated)" : "");
2537 }
2538 }
2539
2540 g_slist_free(machines);
2541 exit(!name || !is_help_option(name));
2542 }
2543
2544 void qemu_add_exit_notifier(Notifier *notify)
2545 {
2546 notifier_list_add(&exit_notifiers, notify);
2547 }
2548
2549 void qemu_remove_exit_notifier(Notifier *notify)
2550 {
2551 notifier_remove(notify);
2552 }
2553
2554 static void qemu_run_exit_notifiers(void)
2555 {
2556 notifier_list_notify(&exit_notifiers, NULL);
2557 }
2558
2559 static const char *pid_file;
2560 static Notifier qemu_unlink_pidfile_notifier;
2561
2562 static void qemu_unlink_pidfile(Notifier *n, void *data)
2563 {
2564 if (pid_file) {
2565 unlink(pid_file);
2566 }
2567 }
2568
2569 bool machine_init_done;
2570
2571 void qemu_add_machine_init_done_notifier(Notifier *notify)
2572 {
2573 notifier_list_add(&machine_init_done_notifiers, notify);
2574 if (machine_init_done) {
2575 notify->notify(notify, NULL);
2576 }
2577 }
2578
2579 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2580 {
2581 notifier_remove(notify);
2582 }
2583
2584 static void qemu_run_machine_init_done_notifiers(void)
2585 {
2586 machine_init_done = true;
2587 notifier_list_notify(&machine_init_done_notifiers, NULL);
2588 }
2589
2590 static const QEMUOption *lookup_opt(int argc, char **argv,
2591 const char **poptarg, int *poptind)
2592 {
2593 const QEMUOption *popt;
2594 int optind = *poptind;
2595 char *r = argv[optind];
2596 const char *optarg;
2597
2598 loc_set_cmdline(argv, optind, 1);
2599 optind++;
2600 /* Treat --foo the same as -foo. */
2601 if (r[1] == '-')
2602 r++;
2603 popt = qemu_options;
2604 for(;;) {
2605 if (!popt->name) {
2606 error_report("invalid option");
2607 exit(1);
2608 }
2609 if (!strcmp(popt->name, r + 1))
2610 break;
2611 popt++;
2612 }
2613 if (popt->flags & HAS_ARG) {
2614 if (optind >= argc) {
2615 error_report("requires an argument");
2616 exit(1);
2617 }
2618 optarg = argv[optind++];
2619 loc_set_cmdline(argv, optind - 2, 2);
2620 } else {
2621 optarg = NULL;
2622 }
2623
2624 *poptarg = optarg;
2625 *poptind = optind;
2626
2627 return popt;
2628 }
2629
2630 static MachineClass *select_machine(void)
2631 {
2632 MachineClass *machine_class = find_default_machine();
2633 const char *optarg;
2634 QemuOpts *opts;
2635 Location loc;
2636
2637 loc_push_none(&loc);
2638
2639 opts = qemu_get_machine_opts();
2640 qemu_opts_loc_restore(opts);
2641
2642 optarg = qemu_opt_get(opts, "type");
2643 if (optarg) {
2644 machine_class = machine_parse(optarg);
2645 }
2646
2647 if (!machine_class) {
2648 error_report("No machine specified, and there is no default");
2649 error_printf("Use -machine help to list supported machines\n");
2650 exit(1);
2651 }
2652
2653 loc_pop(&loc);
2654 return machine_class;
2655 }
2656
2657 static int machine_set_property(void *opaque,
2658 const char *name, const char *value,
2659 Error **errp)
2660 {
2661 Object *obj = OBJECT(opaque);
2662 Error *local_err = NULL;
2663 char *p, *qom_name;
2664
2665 if (strcmp(name, "type") == 0) {
2666 return 0;
2667 }
2668
2669 qom_name = g_strdup(name);
2670 for (p = qom_name; *p; p++) {
2671 if (*p == '_') {
2672 *p = '-';
2673 }
2674 }
2675
2676 object_property_parse(obj, value, qom_name, &local_err);
2677 g_free(qom_name);
2678
2679 if (local_err) {
2680 error_report_err(local_err);
2681 return -1;
2682 }
2683
2684 return 0;
2685 }
2686
2687
2688 /*
2689 * Initial object creation happens before all other
2690 * QEMU data types are created. The majority of objects
2691 * can be created at this point. The rng-egd object
2692 * cannot be created here, as it depends on the chardev
2693 * already existing.
2694 */
2695 static bool object_create_initial(const char *type, QemuOpts *opts)
2696 {
2697 ObjectClass *klass;
2698
2699 if (is_help_option(type)) {
2700 GSList *l, *list;
2701
2702 printf("List of user creatable objects:\n");
2703 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2704 for (l = list; l != NULL; l = l->next) {
2705 ObjectClass *oc = OBJECT_CLASS(l->data);
2706 printf("%s\n", object_class_get_name(oc));
2707 }
2708 g_slist_free(list);
2709 exit(0);
2710 }
2711
2712 klass = object_class_by_name(type);
2713 if (klass && qemu_opt_has_help_opt(opts)) {
2714 ObjectPropertyIterator iter;
2715 ObjectProperty *prop;
2716 GPtrArray *array = g_ptr_array_new();
2717 int i;
2718
2719 object_class_property_iter_init(&iter, klass);
2720 while ((prop = object_property_iter_next(&iter))) {
2721 GString *str;
2722
2723 if (!prop->set) {
2724 continue;
2725 }
2726
2727 str = g_string_new(NULL);
2728 g_string_append_printf(str, "%s.%s=%s", type,
2729 prop->name, prop->type);
2730 if (prop->description) {
2731 g_string_append_printf(str, " - %s", prop->description);
2732 }
2733 g_ptr_array_add(array, g_string_free(str, false));
2734 }
2735 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2736 for (i = 0; i < array->len; i++) {
2737 printf("%s\n", (char *)array->pdata[i]);
2738 }
2739 g_ptr_array_set_free_func(array, g_free);
2740 g_ptr_array_free(array, true);
2741 exit(0);
2742 }
2743
2744 if (g_str_equal(type, "rng-egd") ||
2745 g_str_has_prefix(type, "pr-manager-")) {
2746 return false;
2747 }
2748
2749 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2750 if (g_str_equal(type, "cryptodev-vhost-user")) {
2751 return false;
2752 }
2753 #endif
2754
2755 /*
2756 * return false for concrete netfilters since
2757 * they depend on netdevs already existing
2758 */
2759 if (g_str_equal(type, "filter-buffer") ||
2760 g_str_equal(type, "filter-dump") ||
2761 g_str_equal(type, "filter-mirror") ||
2762 g_str_equal(type, "filter-redirector") ||
2763 g_str_equal(type, "colo-compare") ||
2764 g_str_equal(type, "filter-rewriter") ||
2765 g_str_equal(type, "filter-replay")) {
2766 return false;
2767 }
2768
2769 /* Memory allocation by backends needs to be done
2770 * after configure_accelerator() (due to the tcg_enabled()
2771 * checks at memory_region_init_*()).
2772 *
2773 * Also, allocation of large amounts of memory may delay
2774 * chardev initialization for too long, and trigger timeouts
2775 * on software that waits for a monitor socket to be created
2776 * (e.g. libvirt).
2777 */
2778 if (g_str_has_prefix(type, "memory-backend-")) {
2779 return false;
2780 }
2781
2782 return true;
2783 }
2784
2785
2786 /*
2787 * The remainder of object creation happens after the
2788 * creation of chardev, fsdev, net clients and device data types.
2789 */
2790 static bool object_create_delayed(const char *type, QemuOpts *opts)
2791 {
2792 return !object_create_initial(type, opts);
2793 }
2794
2795
2796 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2797 MachineClass *mc)
2798 {
2799 uint64_t sz;
2800 const char *mem_str;
2801 const ram_addr_t default_ram_size = mc->default_ram_size;
2802 QemuOpts *opts = qemu_find_opts_singleton("memory");
2803 Location loc;
2804
2805 loc_push_none(&loc);
2806 qemu_opts_loc_restore(opts);
2807
2808 sz = 0;
2809 mem_str = qemu_opt_get(opts, "size");
2810 if (mem_str) {
2811 if (!*mem_str) {
2812 error_report("missing 'size' option value");
2813 exit(EXIT_FAILURE);
2814 }
2815
2816 sz = qemu_opt_get_size(opts, "size", ram_size);
2817
2818 /* Fix up legacy suffix-less format */
2819 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2820 uint64_t overflow_check = sz;
2821
2822 sz *= MiB;
2823 if (sz / MiB != overflow_check) {
2824 error_report("too large 'size' option value");
2825 exit(EXIT_FAILURE);
2826 }
2827 }
2828 }
2829
2830 /* backward compatibility behaviour for case "-m 0" */
2831 if (sz == 0) {
2832 sz = default_ram_size;
2833 }
2834
2835 sz = QEMU_ALIGN_UP(sz, 8192);
2836 ram_size = sz;
2837 if (ram_size != sz) {
2838 error_report("ram size too large");
2839 exit(EXIT_FAILURE);
2840 }
2841
2842 /* store value for the future use */
2843 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2844 *maxram_size = ram_size;
2845
2846 if (qemu_opt_get(opts, "maxmem")) {
2847 uint64_t slots;
2848
2849 sz = qemu_opt_get_size(opts, "maxmem", 0);
2850 slots = qemu_opt_get_number(opts, "slots", 0);
2851 if (sz < ram_size) {
2852 error_report("invalid value of -m option maxmem: "
2853 "maximum memory size (0x%" PRIx64 ") must be at least "
2854 "the initial memory size (0x" RAM_ADDR_FMT ")",
2855 sz, ram_size);
2856 exit(EXIT_FAILURE);
2857 } else if (slots && sz == ram_size) {
2858 error_report("invalid value of -m option maxmem: "
2859 "memory slots were specified but maximum memory size "
2860 "(0x%" PRIx64 ") is equal to the initial memory size "
2861 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2862 exit(EXIT_FAILURE);
2863 }
2864
2865 *maxram_size = sz;
2866 *ram_slots = slots;
2867 } else if (qemu_opt_get(opts, "slots")) {
2868 error_report("invalid -m option value: missing 'maxmem' option");
2869 exit(EXIT_FAILURE);
2870 }
2871
2872 loc_pop(&loc);
2873 }
2874
2875 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2876 {
2877 GlobalProperty *g;
2878
2879 g = g_malloc0(sizeof(*g));
2880 g->driver = qemu_opt_get(opts, "driver");
2881 g->property = qemu_opt_get(opts, "property");
2882 g->value = qemu_opt_get(opts, "value");
2883 g->user_provided = true;
2884 g->errp = &error_fatal;
2885 qdev_prop_register_global(g);
2886 return 0;
2887 }
2888
2889 static int qemu_read_default_config_file(void)
2890 {
2891 int ret;
2892
2893 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2894 if (ret < 0 && ret != -ENOENT) {
2895 return ret;
2896 }
2897
2898 return 0;
2899 }
2900
2901 static void user_register_global_props(void)
2902 {
2903 qemu_opts_foreach(qemu_find_opts("global"),
2904 global_init_func, NULL, NULL);
2905 }
2906
2907 /*
2908 * Note: we should see that these properties are actually having a
2909 * priority: accel < machine < user. This means e.g. when user
2910 * specifies something in "-global", it'll always be used with highest
2911 * priority than either machine/accelerator compat properties.
2912 */
2913 static void register_global_properties(MachineState *ms)
2914 {
2915 accel_register_compat_props(ms->accelerator);
2916 machine_register_compat_props(ms);
2917 user_register_global_props();
2918 }
2919
2920 int main(int argc, char **argv, char **envp)
2921 {
2922 int i;
2923 int snapshot, linux_boot;
2924 const char *initrd_filename;
2925 const char *kernel_filename, *kernel_cmdline;
2926 const char *boot_order = NULL;
2927 const char *boot_once = NULL;
2928 DisplayState *ds;
2929 QemuOpts *opts, *machine_opts;
2930 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2931 QemuOptsList *olist;
2932 int optind;
2933 const char *optarg;
2934 const char *loadvm = NULL;
2935 MachineClass *machine_class;
2936 const char *cpu_model;
2937 const char *vga_model = NULL;
2938 const char *qtest_chrdev = NULL;
2939 const char *qtest_log = NULL;
2940 const char *incoming = NULL;
2941 bool userconfig = true;
2942 bool nographic = false;
2943 int display_remote = 0;
2944 const char *log_mask = NULL;
2945 const char *log_file = NULL;
2946 char *trace_file = NULL;
2947 ram_addr_t maxram_size;
2948 uint64_t ram_slots = 0;
2949 FILE *vmstate_dump_file = NULL;
2950 Error *main_loop_err = NULL;
2951 Error *err = NULL;
2952 bool list_data_dirs = false;
2953 char *dir, **dirs;
2954 typedef struct BlockdevOptions_queue {
2955 BlockdevOptions *bdo;
2956 Location loc;
2957 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2958 } BlockdevOptions_queue;
2959 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2960 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2961
2962 module_call_init(MODULE_INIT_TRACE);
2963
2964 qemu_init_cpu_list();
2965 qemu_init_cpu_loop();
2966
2967 qemu_mutex_lock_iothread();
2968
2969 atexit(qemu_run_exit_notifiers);
2970 error_set_progname(argv[0]);
2971 qemu_init_exec_dir(argv[0]);
2972
2973 module_call_init(MODULE_INIT_QOM);
2974
2975 qemu_add_opts(&qemu_drive_opts);
2976 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2977 qemu_add_drive_opts(&qemu_common_drive_opts);
2978 qemu_add_drive_opts(&qemu_drive_opts);
2979 qemu_add_drive_opts(&bdrv_runtime_opts);
2980 qemu_add_opts(&qemu_chardev_opts);
2981 qemu_add_opts(&qemu_device_opts);
2982 qemu_add_opts(&qemu_netdev_opts);
2983 qemu_add_opts(&qemu_nic_opts);
2984 qemu_add_opts(&qemu_net_opts);
2985 qemu_add_opts(&qemu_rtc_opts);
2986 qemu_add_opts(&qemu_global_opts);
2987 qemu_add_opts(&qemu_mon_opts);
2988 qemu_add_opts(&qemu_trace_opts);
2989 qemu_add_opts(&qemu_option_rom_opts);
2990 qemu_add_opts(&qemu_machine_opts);
2991 qemu_add_opts(&qemu_accel_opts);
2992 qemu_add_opts(&qemu_mem_opts);
2993 qemu_add_opts(&qemu_smp_opts);
2994 qemu_add_opts(&qemu_boot_opts);
2995 qemu_add_opts(&qemu_add_fd_opts);
2996 qemu_add_opts(&qemu_object_opts);
2997 qemu_add_opts(&qemu_tpmdev_opts);
2998 qemu_add_opts(&qemu_realtime_opts);
2999 qemu_add_opts(&qemu_overcommit_opts);
3000 qemu_add_opts(&qemu_msg_opts);
3001 qemu_add_opts(&qemu_name_opts);
3002 qemu_add_opts(&qemu_numa_opts);
3003 qemu_add_opts(&qemu_icount_opts);
3004 qemu_add_opts(&qemu_semihosting_config_opts);
3005 qemu_add_opts(&qemu_fw_cfg_opts);
3006 module_call_init(MODULE_INIT_OPTS);
3007
3008 runstate_init();
3009 postcopy_infrastructure_init();
3010 monitor_init_globals();
3011
3012 if (qcrypto_init(&err) < 0) {
3013 error_reportf_err(err, "cannot initialize crypto: ");
3014 exit(1);
3015 }
3016 rtc_clock = QEMU_CLOCK_HOST;
3017
3018 QLIST_INIT (&vm_change_state_head);
3019 os_setup_early_signal_handling();
3020
3021 cpu_model = NULL;
3022 snapshot = 0;
3023
3024 nb_nics = 0;
3025
3026 bdrv_init_with_whitelist();
3027
3028 autostart = 1;
3029
3030 /* first pass of option parsing */
3031 optind = 1;
3032 while (optind < argc) {
3033 if (argv[optind][0] != '-') {
3034 /* disk image */
3035 optind++;
3036 } else {
3037 const QEMUOption *popt;
3038
3039 popt = lookup_opt(argc, argv, &optarg, &optind);
3040 switch (popt->index) {
3041 case QEMU_OPTION_nouserconfig:
3042 userconfig = false;
3043 break;
3044 }
3045 }
3046 }
3047
3048 if (userconfig) {
3049 if (qemu_read_default_config_file() < 0) {
3050 exit(1);
3051 }
3052 }
3053
3054 /* second pass of option parsing */
3055 optind = 1;
3056 for(;;) {
3057 if (optind >= argc)
3058 break;
3059 if (argv[optind][0] != '-') {
3060 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3061 } else {
3062 const QEMUOption *popt;
3063
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 if (!(popt->arch_mask & arch_type)) {
3066 error_report("Option not supported for this target");
3067 exit(1);
3068 }
3069 switch(popt->index) {
3070 case QEMU_OPTION_cpu:
3071 /* hw initialization will check this */
3072 cpu_model = optarg;
3073 break;
3074 case QEMU_OPTION_hda:
3075 case QEMU_OPTION_hdb:
3076 case QEMU_OPTION_hdc:
3077 case QEMU_OPTION_hdd:
3078 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3079 HD_OPTS);
3080 break;
3081 case QEMU_OPTION_blockdev:
3082 {
3083 Visitor *v;
3084 BlockdevOptions_queue *bdo;
3085
3086 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3087 if (!v) {
3088 error_report_err(err);
3089 exit(1);
3090 }
3091
3092 bdo = g_new(BlockdevOptions_queue, 1);
3093 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3094 &error_fatal);
3095 visit_free(v);
3096 loc_save(&bdo->loc);
3097 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3098 break;
3099 }
3100 case QEMU_OPTION_drive:
3101 if (drive_def(optarg) == NULL) {
3102 exit(1);
3103 }
3104 break;
3105 case QEMU_OPTION_set:
3106 if (qemu_set_option(optarg) != 0)
3107 exit(1);
3108 break;
3109 case QEMU_OPTION_global:
3110 if (qemu_global_option(optarg) != 0)
3111 exit(1);
3112 break;
3113 case QEMU_OPTION_mtdblock:
3114 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3115 break;
3116 case QEMU_OPTION_sd:
3117 drive_add(IF_SD, -1, optarg, SD_OPTS);
3118 break;
3119 case QEMU_OPTION_pflash:
3120 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3121 break;
3122 case QEMU_OPTION_snapshot:
3123 snapshot = 1;
3124 break;
3125 case QEMU_OPTION_numa:
3126 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3127 optarg, true);
3128 if (!opts) {
3129 exit(1);
3130 }
3131 break;
3132 case QEMU_OPTION_display:
3133 parse_display(optarg);
3134 break;
3135 case QEMU_OPTION_nographic:
3136 olist = qemu_find_opts("machine");
3137 qemu_opts_parse_noisily(olist, "graphics=off", false);
3138 nographic = true;
3139 dpy.type = DISPLAY_TYPE_NONE;
3140 break;
3141 case QEMU_OPTION_curses:
3142 #ifdef CONFIG_CURSES
3143 dpy.type = DISPLAY_TYPE_CURSES;
3144 #else
3145 error_report("curses support is disabled");
3146 exit(1);
3147 #endif
3148 break;
3149 case QEMU_OPTION_portrait:
3150 graphic_rotate = 90;
3151 break;
3152 case QEMU_OPTION_rotate:
3153 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3154 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3155 graphic_rotate != 180 && graphic_rotate != 270) {
3156 error_report("only 90, 180, 270 deg rotation is available");
3157 exit(1);
3158 }
3159 break;
3160 case QEMU_OPTION_kernel:
3161 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3162 &error_abort);
3163 break;
3164 case QEMU_OPTION_initrd:
3165 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3166 &error_abort);
3167 break;
3168 case QEMU_OPTION_append:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3170 &error_abort);
3171 break;
3172 case QEMU_OPTION_dtb:
3173 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3174 &error_abort);
3175 break;
3176 case QEMU_OPTION_cdrom:
3177 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3178 break;
3179 case QEMU_OPTION_boot:
3180 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3181 optarg, true);
3182 if (!opts) {
3183 exit(1);
3184 }
3185 break;
3186 case QEMU_OPTION_fda:
3187 case QEMU_OPTION_fdb:
3188 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3189 optarg, FD_OPTS);
3190 break;
3191 case QEMU_OPTION_no_fd_bootchk:
3192 fd_bootchk = 0;
3193 break;
3194 case QEMU_OPTION_netdev:
3195 default_net = 0;
3196 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3197 exit(1);
3198 }
3199 break;
3200 case QEMU_OPTION_nic:
3201 default_net = 0;
3202 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3203 exit(1);
3204 }
3205 break;
3206 case QEMU_OPTION_net:
3207 default_net = 0;
3208 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3209 exit(1);
3210 }
3211 break;
3212 #ifdef CONFIG_LIBISCSI
3213 case QEMU_OPTION_iscsi:
3214 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3215 optarg, false);
3216 if (!opts) {
3217 exit(1);
3218 }
3219 break;
3220 #endif
3221 case QEMU_OPTION_bt:
3222 add_device_config(DEV_BT, optarg);
3223 break;
3224 case QEMU_OPTION_audio_help:
3225 AUD_help ();
3226 exit (0);
3227 break;
3228 case QEMU_OPTION_soundhw:
3229 select_soundhw (optarg);
3230 break;
3231 case QEMU_OPTION_h:
3232 help(0);
3233 break;
3234 case QEMU_OPTION_version:
3235 version();
3236 exit(0);
3237 break;
3238 case QEMU_OPTION_m:
3239 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3240 optarg, true);
3241 if (!opts) {
3242 exit(EXIT_FAILURE);
3243 }
3244 break;
3245 #ifdef CONFIG_TPM
3246 case QEMU_OPTION_tpmdev:
3247 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3248 exit(1);
3249 }
3250 break;
3251 #endif
3252 case QEMU_OPTION_mempath:
3253 mem_path = optarg;
3254 break;
3255 case QEMU_OPTION_mem_prealloc:
3256 mem_prealloc = 1;
3257 break;
3258 case QEMU_OPTION_d:
3259 log_mask = optarg;
3260 break;
3261 case QEMU_OPTION_D:
3262 log_file = optarg;
3263 break;
3264 case QEMU_OPTION_DFILTER:
3265 qemu_set_dfilter_ranges(optarg, &error_fatal);
3266 break;
3267 case QEMU_OPTION_s:
3268 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3269 break;
3270 case QEMU_OPTION_gdb:
3271 add_device_config(DEV_GDB, optarg);
3272 break;
3273 case QEMU_OPTION_L:
3274 if (is_help_option(optarg)) {
3275 list_data_dirs = true;
3276 } else {
3277 qemu_add_data_dir(optarg);
3278 }
3279 break;
3280 case QEMU_OPTION_bios:
3281 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3282 &error_abort);
3283 break;
3284 case QEMU_OPTION_singlestep:
3285 singlestep = 1;
3286 break;
3287 case QEMU_OPTION_S:
3288 autostart = 0;
3289 break;
3290 case QEMU_OPTION_k:
3291 keyboard_layout = optarg;
3292 break;
3293 case QEMU_OPTION_vga:
3294 vga_model = optarg;
3295 default_vga = 0;
3296 break;
3297 case QEMU_OPTION_g:
3298 {
3299 const char *p;
3300 int w, h, depth;
3301 p = optarg;
3302 w = strtol(p, (char **)&p, 10);
3303 if (w <= 0) {
3304 graphic_error:
3305 error_report("invalid resolution or depth");
3306 exit(1);
3307 }
3308 if (*p != 'x')
3309 goto graphic_error;
3310 p++;
3311 h = strtol(p, (char **)&p, 10);
3312 if (h <= 0)
3313 goto graphic_error;
3314 if (*p == 'x') {
3315 p++;
3316 depth = strtol(p, (char **)&p, 10);
3317 if (depth != 8 && depth != 15 && depth != 16 &&
3318 depth != 24 && depth != 32)
3319 goto graphic_error;
3320 } else if (*p == '\0') {
3321 depth = graphic_depth;
3322 } else {
3323 goto graphic_error;
3324 }
3325
3326 graphic_width = w;
3327 graphic_height = h;
3328 graphic_depth = depth;
3329 }
3330 break;
3331 case QEMU_OPTION_echr:
3332 {
3333 char *r;
3334 term_escape_char = strtol(optarg, &r, 0);
3335 if (r == optarg)
3336 printf("Bad argument to echr\n");
3337 break;
3338 }
3339 case QEMU_OPTION_monitor:
3340 default_monitor = 0;
3341 if (strncmp(optarg, "none", 4)) {
3342 monitor_parse(optarg, "readline", false);
3343 }
3344 break;
3345 case QEMU_OPTION_qmp:
3346 monitor_parse(optarg, "control", false);
3347 default_monitor = 0;
3348 break;
3349 case QEMU_OPTION_qmp_pretty:
3350 monitor_parse(optarg, "control", true);
3351 default_monitor = 0;
3352 break;
3353 case QEMU_OPTION_mon:
3354 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3355 true);
3356 if (!opts) {
3357 exit(1);
3358 }
3359 default_monitor = 0;
3360 break;
3361 case QEMU_OPTION_chardev:
3362 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3363 optarg, true);
3364 if (!opts) {
3365 exit(1);
3366 }
3367 break;
3368 case QEMU_OPTION_fsdev:
3369 olist = qemu_find_opts("fsdev");
3370 if (!olist) {
3371 error_report("fsdev support is disabled");
3372 exit(1);
3373 }
3374 opts = qemu_opts_parse_noisily(olist, optarg, true);
3375 if (!opts) {
3376 exit(1);
3377 }
3378 break;
3379 case QEMU_OPTION_virtfs: {
3380 QemuOpts *fsdev;
3381 QemuOpts *device;
3382 const char *writeout, *sock_fd, *socket, *path, *security_model;
3383
3384 olist = qemu_find_opts("virtfs");
3385 if (!olist) {
3386 error_report("virtfs support is disabled");
3387 exit(1);
3388 }
3389 opts = qemu_opts_parse_noisily(olist, optarg, true);
3390 if (!opts) {
3391 exit(1);
3392 }
3393
3394 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3395 qemu_opt_get(opts, "mount_tag") == NULL) {
3396 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3397 exit(1);
3398 }
3399 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3400 qemu_opts_id(opts) ?:
3401 qemu_opt_get(opts, "mount_tag"),
3402 1, NULL);
3403 if (!fsdev) {
3404 error_report("duplicate or invalid fsdev id: %s",
3405 qemu_opt_get(opts, "mount_tag"));
3406 exit(1);
3407 }
3408
3409 writeout = qemu_opt_get(opts, "writeout");
3410 if (writeout) {
3411 #ifdef CONFIG_SYNC_FILE_RANGE
3412 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3413 #else
3414 error_report("writeout=immediate not supported "
3415 "on this platform");
3416 exit(1);
3417 #endif
3418 }
3419 qemu_opt_set(fsdev, "fsdriver",
3420 qemu_opt_get(opts, "fsdriver"), &error_abort);
3421 path = qemu_opt_get(opts, "path");
3422 if (path) {
3423 qemu_opt_set(fsdev, "path", path, &error_abort);
3424 }
3425 security_model = qemu_opt_get(opts, "security_model");
3426 if (security_model) {
3427 qemu_opt_set(fsdev, "security_model", security_model,
3428 &error_abort);
3429 }
3430 socket = qemu_opt_get(opts, "socket");
3431 if (socket) {
3432 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3433 }
3434 sock_fd = qemu_opt_get(opts, "sock_fd");
3435 if (sock_fd) {
3436 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3437 }
3438
3439 qemu_opt_set_bool(fsdev, "readonly",
3440 qemu_opt_get_bool(opts, "readonly", 0),
3441 &error_abort);
3442 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3443 &error_abort);
3444 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3445 qemu_opt_set(device, "fsdev",
3446 qemu_opts_id(fsdev), &error_abort);
3447 qemu_opt_set(device, "mount_tag",
3448 qemu_opt_get(opts, "mount_tag"), &error_abort);
3449 break;
3450 }
3451 case QEMU_OPTION_virtfs_synth: {
3452 QemuOpts *fsdev;
3453 QemuOpts *device;
3454
3455 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3456 1, NULL);
3457 if (!fsdev) {
3458 error_report("duplicate option: %s", "virtfs_synth");
3459 exit(1);
3460 }
3461 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3462
3463 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3464 &error_abort);
3465 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3466 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3467 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3468 break;
3469 }
3470 case QEMU_OPTION_serial:
3471 add_device_config(DEV_SERIAL, optarg);
3472 default_serial = 0;
3473 if (strncmp(optarg, "mon:", 4) == 0) {
3474 default_monitor = 0;
3475 }
3476 break;
3477 case QEMU_OPTION_watchdog:
3478 if (watchdog) {
3479 error_report("only one watchdog option may be given");
3480 return 1;
3481 }
3482 watchdog = optarg;
3483 break;
3484 case QEMU_OPTION_watchdog_action:
3485 if (select_watchdog_action(optarg) == -1) {
3486 error_report("unknown -watchdog-action parameter");
3487 exit(1);
3488 }
3489 break;
3490 case QEMU_OPTION_virtiocon:
3491 warn_report("This option is deprecated, "
3492 "use '-device virtconsole' instead");
3493 add_device_config(DEV_VIRTCON, optarg);
3494 default_virtcon = 0;
3495 if (strncmp(optarg, "mon:", 4) == 0) {
3496 default_monitor = 0;
3497 }
3498 break;
3499 case QEMU_OPTION_parallel:
3500 add_device_config(DEV_PARALLEL, optarg);
3501 default_parallel = 0;
3502 if (strncmp(optarg, "mon:", 4) == 0) {
3503 default_monitor = 0;
3504 }
3505 break;
3506 case QEMU_OPTION_debugcon:
3507 add_device_config(DEV_DEBUGCON, optarg);
3508 break;
3509 case QEMU_OPTION_loadvm:
3510 loadvm = optarg;
3511 break;
3512 case QEMU_OPTION_full_screen:
3513 dpy.has_full_screen = true;
3514 dpy.full_screen = true;
3515 break;
3516 case QEMU_OPTION_no_frame:
3517 g_printerr("The -no-frame switch is deprecated, and will be\n"
3518 "removed in a future release.\n");
3519 no_frame = 1;
3520 break;
3521 case QEMU_OPTION_alt_grab:
3522 alt_grab = 1;
3523 break;
3524 case QEMU_OPTION_ctrl_grab:
3525 ctrl_grab = 1;
3526 break;
3527 case QEMU_OPTION_no_quit:
3528 dpy.has_window_close = true;
3529 dpy.window_close = false;
3530 break;
3531 case QEMU_OPTION_sdl:
3532 #ifdef CONFIG_SDL
3533 dpy.type = DISPLAY_TYPE_SDL;
3534 break;
3535 #else
3536 error_report("SDL support is disabled");
3537 exit(1);
3538 #endif
3539 case QEMU_OPTION_pidfile:
3540 pid_file = optarg;
3541 break;
3542 case QEMU_OPTION_win2k_hack:
3543 win2k_install_hack = 1;
3544 break;
3545 case QEMU_OPTION_acpitable:
3546 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3547 optarg, true);
3548 if (!opts) {
3549 exit(1);
3550 }
3551 acpi_table_add(opts, &error_fatal);
3552 break;
3553 case QEMU_OPTION_smbios:
3554 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3555 optarg, false);
3556 if (!opts) {
3557 exit(1);
3558 }
3559 smbios_entry_add(opts, &error_fatal);
3560 break;
3561 case QEMU_OPTION_fwcfg:
3562 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3563 optarg, true);
3564 if (opts == NULL) {
3565 exit(1);
3566 }
3567 break;
3568 case QEMU_OPTION_preconfig:
3569 preconfig_exit_requested = false;
3570 break;
3571 case QEMU_OPTION_enable_kvm:
3572 olist = qemu_find_opts("machine");
3573 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3574 break;
3575 case QEMU_OPTION_enable_hax:
3576 warn_report("Option is deprecated, use '-accel hax' instead");
3577 olist = qemu_find_opts("machine");
3578 qemu_opts_parse_noisily(olist, "accel=hax", false);
3579 break;
3580 case QEMU_OPTION_M:
3581 case QEMU_OPTION_machine:
3582 olist = qemu_find_opts("machine");
3583 opts = qemu_opts_parse_noisily(olist, optarg, true);
3584 if (!opts) {
3585 exit(1);
3586 }
3587 break;
3588 case QEMU_OPTION_no_kvm:
3589 olist = qemu_find_opts("machine");
3590 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3591 break;
3592 case QEMU_OPTION_accel:
3593 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3594 optarg, true);
3595 optarg = qemu_opt_get(accel_opts, "accel");
3596 if (!optarg || is_help_option(optarg)) {
3597 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3598 exit(0);
3599 }
3600 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3601 false, &error_abort);
3602 qemu_opt_set(opts, "accel", optarg, &error_abort);
3603 break;
3604 case QEMU_OPTION_usb:
3605 olist = qemu_find_opts("machine");
3606 qemu_opts_parse_noisily(olist, "usb=on", false);
3607 break;
3608 case QEMU_OPTION_usbdevice:
3609 error_report("'-usbdevice' is deprecated, please use "
3610 "'-device usb-...' instead");
3611 olist = qemu_find_opts("machine");
3612 qemu_opts_parse_noisily(olist, "usb=on", false);
3613 add_device_config(DEV_USB, optarg);
3614 break;
3615 case QEMU_OPTION_device:
3616 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3617 optarg, true)) {
3618 exit(1);
3619 }
3620 break;
3621 case QEMU_OPTION_smp:
3622 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3623 optarg, true)) {
3624 exit(1);
3625 }
3626 break;
3627 case QEMU_OPTION_vnc:
3628 vnc_parse(optarg, &error_fatal);
3629 break;
3630 case QEMU_OPTION_no_acpi:
3631 acpi_enabled = 0;
3632 break;
3633 case QEMU_OPTION_no_hpet:
3634 no_hpet = 1;
3635 break;
3636 case QEMU_OPTION_no_reboot:
3637 no_reboot = 1;
3638 break;
3639 case QEMU_OPTION_no_shutdown:
3640 no_shutdown = 1;
3641 break;
3642 case QEMU_OPTION_show_cursor:
3643 cursor_hide = 0;
3644 break;
3645 case QEMU_OPTION_uuid:
3646 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3647 error_report("failed to parse UUID string: wrong format");
3648 exit(1);
3649 }
3650 qemu_uuid_set = true;
3651 break;
3652 case QEMU_OPTION_option_rom:
3653 if (nb_option_roms >= MAX_OPTION_ROMS) {
3654 error_report("too many option ROMs");
3655 exit(1);
3656 }
3657 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3658 optarg, true);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3663 option_rom[nb_option_roms].bootindex =
3664 qemu_opt_get_number(opts, "bootindex", -1);
3665 if (!option_rom[nb_option_roms].name) {
3666 error_report("Option ROM file is not specified");
3667 exit(1);
3668 }
3669 nb_option_roms++;
3670 break;
3671 case QEMU_OPTION_semihosting:
3672 semihosting.enabled = true;
3673 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3674 break;
3675 case QEMU_OPTION_semihosting_config:
3676 semihosting.enabled = true;
3677 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3678 optarg, false);
3679 if (opts != NULL) {
3680 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3681 true);
3682 const char *target = qemu_opt_get(opts, "target");
3683 if (target != NULL) {
3684 if (strcmp("native", target) == 0) {
3685 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3686 } else if (strcmp("gdb", target) == 0) {
3687 semihosting.target = SEMIHOSTING_TARGET_GDB;
3688 } else if (strcmp("auto", target) == 0) {
3689 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3690 } else {
3691 error_report("unsupported semihosting-config %s",
3692 optarg);
3693 exit(1);
3694 }
3695 } else {
3696 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3697 }
3698 /* Set semihosting argument count and vector */
3699 qemu_opt_foreach(opts, add_semihosting_arg,
3700 &semihosting, NULL);
3701 } else {
3702 error_report("unsupported semihosting-config %s", optarg);
3703 exit(1);
3704 }
3705 break;
3706 case QEMU_OPTION_name:
3707 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3708 optarg, true);
3709 if (!opts) {
3710 exit(1);
3711 }
3712 break;
3713 case QEMU_OPTION_prom_env:
3714 if (nb_prom_envs >= MAX_PROM_ENVS) {
3715 error_report("too many prom variables");
3716 exit(1);
3717 }
3718 prom_envs[nb_prom_envs] = optarg;
3719 nb_prom_envs++;
3720 break;
3721 case QEMU_OPTION_old_param:
3722 old_param = 1;
3723 break;
3724 case QEMU_OPTION_clock:
3725 /* Clock options no longer exist. Keep this option for
3726 * backward compatibility.
3727 */
3728 warn_report("This option is ignored and will be removed soon");
3729 break;
3730 case QEMU_OPTION_rtc:
3731 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3732 false);
3733 if (!opts) {
3734 exit(1);
3735 }
3736 configure_rtc(opts);
3737 break;
3738 case QEMU_OPTION_tb_size:
3739 #ifndef CONFIG_TCG
3740 error_report("TCG is disabled");
3741 exit(1);
3742 #endif
3743 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3744 error_report("Invalid argument to -tb-size");
3745 exit(1);
3746 }
3747 break;
3748 case QEMU_OPTION_icount:
3749 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3750 optarg, true);
3751 if (!icount_opts) {
3752 exit(1);
3753 }
3754 break;
3755 case QEMU_OPTION_incoming:
3756 if (!incoming) {
3757 runstate_set(RUN_STATE_INMIGRATE);
3758 }
3759 incoming = optarg;
3760 break;
3761 case QEMU_OPTION_only_migratable:
3762 /*
3763 * TODO: we can remove this option one day, and we
3764 * should all use:
3765 *
3766 * "-global migration.only-migratable=true"
3767 */
3768 qemu_global_option("migration.only-migratable=true");
3769 break;
3770 case QEMU_OPTION_nodefaults:
3771 has_defaults = 0;
3772 break;
3773 case QEMU_OPTION_xen_domid:
3774 if (!(xen_available())) {
3775 error_report("Option not supported for this target");
3776 exit(1);
3777 }
3778 xen_domid = atoi(optarg);
3779 break;
3780 case QEMU_OPTION_xen_create:
3781 if (!(xen_available())) {
3782 error_report("Option not supported for this target");
3783 exit(1);
3784 }
3785 xen_mode = XEN_CREATE;
3786 break;
3787 case QEMU_OPTION_xen_attach:
3788 if (!(xen_available())) {
3789 error_report("Option not supported for this target");
3790 exit(1);
3791 }
3792 xen_mode = XEN_ATTACH;
3793 break;
3794 case QEMU_OPTION_xen_domid_restrict:
3795 if (!(xen_available())) {
3796 error_report("Option not supported for this target");
3797 exit(1);
3798 }
3799 xen_domid_restrict = true;
3800 break;
3801 case QEMU_OPTION_trace:
3802 g_free(trace_file);
3803 trace_file = trace_opt_parse(optarg);
3804 break;
3805 case QEMU_OPTION_readconfig:
3806 {
3807 int ret = qemu_read_config_file(optarg);
3808 if (ret < 0) {
3809 error_report("read config %s: %s", optarg,
3810 strerror(-ret));
3811 exit(1);
3812 }
3813 break;
3814 }
3815 case QEMU_OPTION_spice:
3816 olist = qemu_find_opts("spice");
3817 if (!olist) {
3818 error_report("spice support is disabled");
3819 exit(1);
3820 }
3821 opts = qemu_opts_parse_noisily(olist, optarg, false);
3822 if (!opts) {
3823 exit(1);
3824 }
3825 display_remote++;
3826 break;
3827 case QEMU_OPTION_writeconfig:
3828 {
3829 FILE *fp;
3830 if (strcmp(optarg, "-") == 0) {
3831 fp = stdout;
3832 } else {
3833 fp = fopen(optarg, "w");
3834 if (fp == NULL) {
3835 error_report("open %s: %s", optarg,
3836 strerror(errno));
3837 exit(1);
3838 }
3839 }
3840 qemu_config_write(fp);
3841 if (fp != stdout) {
3842 fclose(fp);
3843 }
3844 break;
3845 }
3846 case QEMU_OPTION_qtest:
3847 qtest_chrdev = optarg;
3848 break;
3849 case QEMU_OPTION_qtest_log:
3850 qtest_log = optarg;
3851 break;
3852 case QEMU_OPTION_sandbox:
3853 #ifdef CONFIG_SECCOMP
3854 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3855 optarg, true);
3856 if (!opts) {
3857 exit(1);
3858 }
3859 #else
3860 error_report("-sandbox support is not enabled "
3861 "in this QEMU binary");
3862 exit(1);
3863 #endif
3864 break;
3865 case QEMU_OPTION_add_fd:
3866 #ifndef _WIN32
3867 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3868 optarg, false);
3869 if (!opts) {
3870 exit(1);
3871 }
3872 #else
3873 error_report("File descriptor passing is disabled on this "
3874 "platform");
3875 exit(1);
3876 #endif
3877 break;
3878 case QEMU_OPTION_object:
3879 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3880 optarg, true);
3881 if (!opts) {
3882 exit(1);
3883 }
3884 break;
3885 case QEMU_OPTION_realtime:
3886 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3887 optarg, false);
3888 if (!opts) {
3889 exit(1);
3890 }
3891 /* Don't override the -overcommit option if set */
3892 enable_mlock = enable_mlock ||
3893 qemu_opt_get_bool(opts, "mlock", true);
3894 break;
3895 case QEMU_OPTION_overcommit:
3896 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3897 optarg, false);
3898 if (!opts) {
3899 exit(1);
3900 }
3901 /* Don't override the -realtime option if set */
3902 enable_mlock = enable_mlock ||
3903 qemu_opt_get_bool(opts, "mem-lock", false);
3904 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3905 break;
3906 case QEMU_OPTION_msg:
3907 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3908 false);
3909 if (!opts) {
3910 exit(1);
3911 }
3912 configure_msg(opts);
3913 break;
3914 case QEMU_OPTION_dump_vmstate:
3915 if (vmstate_dump_file) {
3916 error_report("only one '-dump-vmstate' "
3917 "option may be given");
3918 exit(1);
3919 }
3920 vmstate_dump_file = fopen(optarg, "w");
3921 if (vmstate_dump_file == NULL) {
3922 error_report("open %s: %s", optarg, strerror(errno));
3923 exit(1);
3924 }
3925 break;
3926 case QEMU_OPTION_enable_sync_profile:
3927 qsp_enable();
3928 break;
3929 case QEMU_OPTION_nouserconfig:
3930 /* Nothing to be parsed here. Especially, do not error out below. */
3931 break;
3932 default:
3933 if (os_parse_cmd_args(popt->index, optarg)) {
3934 error_report("Option not supported in this build");
3935 exit(1);
3936 }
3937 }
3938 }
3939 }
3940 /*
3941 * Clear error location left behind by the loop.
3942 * Best done right after the loop. Do not insert code here!
3943 */
3944 loc_set_none();
3945
3946 replay_configure(icount_opts);
3947
3948 if (incoming && !preconfig_exit_requested) {
3949 error_report("'preconfig' and 'incoming' options are "
3950 "mutually exclusive");
3951 exit(EXIT_FAILURE);
3952 }
3953
3954 machine_class = select_machine();
3955
3956 set_memory_options(&ram_slots, &maxram_size, machine_class);
3957
3958 os_daemonize();
3959 rcu_disable_atfork();
3960
3961 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3962 error_reportf_err(err, "cannot create PID file: ");
3963 exit(1);
3964 }
3965
3966 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3967 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3968
3969 if (qemu_init_main_loop(&main_loop_err)) {
3970 error_report_err(main_loop_err);
3971 exit(1);
3972 }
3973
3974 #ifdef CONFIG_SECCOMP
3975 olist = qemu_find_opts_err("sandbox", NULL);
3976 if (olist && qemu_opts_foreach(olist, parse_sandbox, NULL, NULL)) {
3977 exit(1);
3978 }
3979 #endif
3980
3981 if (qemu_opts_foreach(qemu_find_opts("name"),
3982 parse_name, NULL, NULL)) {
3983 exit(1);
3984 }
3985
3986 #ifndef _WIN32
3987 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3988 parse_add_fd, NULL, NULL)) {
3989 exit(1);
3990 }
3991
3992 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3993 cleanup_add_fd, NULL, NULL)) {
3994 exit(1);
3995 }
3996 #endif
3997
3998 current_machine = MACHINE(object_new(object_class_get_name(
3999 OBJECT_CLASS(machine_class))));
4000 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4001 exit(0);
4002 }
4003 object_property_add_child(object_get_root(), "machine",
4004 OBJECT(current_machine), &error_abort);
4005
4006 if (machine_class->minimum_page_bits) {
4007 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4008 /* This would be a board error: specifying a minimum smaller than
4009 * a target's compile-time fixed setting.
4010 */
4011 g_assert_not_reached();
4012 }
4013 }
4014
4015 cpu_exec_init_all();
4016
4017 if (machine_class->hw_version) {
4018 qemu_set_hw_version(machine_class->hw_version);
4019 }
4020
4021 if (cpu_model && is_help_option(cpu_model)) {
4022 list_cpus(stdout, &fprintf, cpu_model);
4023 exit(0);
4024 }
4025
4026 if (!trace_init_backends()) {
4027 exit(1);
4028 }
4029 trace_init_file(trace_file);
4030
4031 /* Open the logfile at this point and set the log mask if necessary.
4032 */
4033 if (log_file) {
4034 qemu_set_log_filename(log_file, &error_fatal);
4035 }
4036
4037 if (log_mask) {
4038 int mask;
4039 mask = qemu_str_to_log_mask(log_mask);
4040 if (!mask) {
4041 qemu_print_log_usage(stdout);
4042 exit(1);
4043 }
4044 qemu_set_log(mask);
4045 } else {
4046 qemu_set_log(0);
4047 }
4048
4049 /* add configured firmware directories */
4050 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4051 for (i = 0; dirs[i] != NULL; i++) {
4052 qemu_add_data_dir(dirs[i]);
4053 }
4054 g_strfreev(dirs);
4055
4056 /* try to find datadir relative to the executable path */
4057 dir = os_find_datadir();
4058 qemu_add_data_dir(dir);
4059 g_free(dir);
4060
4061 /* add the datadir specified when building */
4062 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4063
4064 /* -L help lists the data directories and exits. */
4065 if (list_data_dirs) {
4066 for (i = 0; i < data_dir_idx; i++) {
4067 printf("%s\n", data_dir[i]);
4068 }
4069 exit(0);
4070 }
4071
4072 /* machine_class: default to UP */
4073 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4074 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4075 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4076
4077 /* default to machine_class->default_cpus */
4078 smp_cpus = machine_class->default_cpus;
4079 max_cpus = machine_class->default_cpus;
4080
4081 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4082
4083 /* sanity-check smp_cpus and max_cpus against machine_class */
4084 if (smp_cpus < machine_class->min_cpus) {
4085 error_report("Invalid SMP CPUs %d. The min CPUs "
4086 "supported by machine '%s' is %d", smp_cpus,
4087 machine_class->name, machine_class->min_cpus);
4088 exit(1);
4089 }
4090 if (max_cpus > machine_class->max_cpus) {
4091 error_report("Invalid SMP CPUs %d. The max CPUs "
4092 "supported by machine '%s' is %d", max_cpus,
4093 machine_class->name, machine_class->max_cpus);
4094 exit(1);
4095 }
4096
4097 /*
4098 * Get the default machine options from the machine if it is not already
4099 * specified either by the configuration file or by the command line.
4100 */
4101 if (machine_class->default_machine_opts) {
4102 qemu_opts_set_defaults(qemu_find_opts("machine"),
4103 machine_class->default_machine_opts, 0);
4104 }
4105
4106 qemu_opts_foreach(qemu_find_opts("device"),
4107 default_driver_check, NULL, NULL);
4108 qemu_opts_foreach(qemu_find_opts("global"),
4109 default_driver_check, NULL, NULL);
4110
4111 if (!vga_model && !default_vga) {
4112 vga_interface_type = VGA_DEVICE;
4113 }
4114 if (!has_defaults || machine_class->no_serial) {
4115 default_serial = 0;
4116 }
4117 if (!has_defaults || machine_class->no_parallel) {
4118 default_parallel = 0;
4119 }
4120 if (!has_defaults || !machine_class->use_virtcon) {
4121 default_virtcon = 0;
4122 }
4123 if (!has_defaults || machine_class->no_floppy) {
4124 default_floppy = 0;
4125 }
4126 if (!has_defaults || machine_class->no_cdrom) {
4127 default_cdrom = 0;
4128 }
4129 if (!has_defaults || machine_class->no_sdcard) {
4130 default_sdcard = 0;
4131 }
4132 if (!has_defaults) {
4133 default_monitor = 0;
4134 default_net = 0;
4135 default_vga = 0;
4136 }
4137
4138 if (is_daemonized()) {
4139 if (!preconfig_exit_requested) {
4140 error_report("'preconfig' and 'daemonize' options are "
4141 "mutually exclusive");
4142 exit(EXIT_FAILURE);
4143 }
4144
4145 /* According to documentation and historically, -nographic redirects
4146 * serial port, parallel port and monitor to stdio, which does not work
4147 * with -daemonize. We can redirect these to null instead, but since
4148 * -nographic is legacy, let's just error out.
4149 * We disallow -nographic only if all other ports are not redirected
4150 * explicitly, to not break existing legacy setups which uses
4151 * -nographic _and_ redirects all ports explicitly - this is valid
4152 * usage, -nographic is just a no-op in this case.
4153 */
4154 if (nographic
4155 && (default_parallel || default_serial
4156 || default_monitor || default_virtcon)) {
4157 error_report("-nographic cannot be used with -daemonize");
4158 exit(1);
4159 }
4160 #ifdef CONFIG_CURSES
4161 if (dpy.type == DISPLAY_TYPE_CURSES) {
4162 error_report("curses display cannot be used with -daemonize");
4163 exit(1);
4164 }
4165 #endif
4166 }
4167
4168 if (nographic) {
4169 if (default_parallel)
4170 add_device_config(DEV_PARALLEL, "null");
4171 if (default_serial && default_monitor) {
4172 add_device_config(DEV_SERIAL, "mon:stdio");
4173 } else if (default_virtcon && default_monitor) {
4174 add_device_config(DEV_VIRTCON, "mon:stdio");
4175 } else {
4176 if (default_serial)
4177 add_device_config(DEV_SERIAL, "stdio");
4178 if (default_virtcon)
4179 add_device_config(DEV_VIRTCON, "stdio");
4180 if (default_monitor)
4181 monitor_parse("stdio", "readline", false);
4182 }
4183 } else {
4184 if (default_serial)
4185 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4186 if (default_parallel)
4187 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4188 if (default_monitor)
4189 monitor_parse("vc:80Cx24C", "readline", false);
4190 if (default_virtcon)
4191 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4192 }
4193
4194 #if defined(CONFIG_VNC)
4195 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4196 display_remote++;
4197 }
4198 #endif
4199 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4200 if (!qemu_display_find_default(&dpy)) {
4201 dpy.type = DISPLAY_TYPE_NONE;
4202 #if defined(CONFIG_VNC)
4203 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4204 #endif
4205 }
4206 }
4207 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4208 dpy.type = DISPLAY_TYPE_NONE;
4209 }
4210
4211 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4212 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4213 "for SDL, ignoring option");
4214 }
4215 if (dpy.has_window_close &&
4216 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4217 error_report("-no-quit is only valid for GTK and SDL, "
4218 "ignoring option");
4219 }
4220
4221 qemu_display_early_init(&dpy);
4222 qemu_console_early_init();
4223
4224 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4225 #if defined(CONFIG_OPENGL)
4226 error_report("OpenGL is not supported by the display");
4227 #else
4228 error_report("OpenGL support is disabled");
4229 #endif
4230 exit(1);
4231 }
4232
4233 page_size_init();
4234 socket_init();
4235
4236 if (qemu_opts_foreach(qemu_find_opts("object"),
4237 user_creatable_add_opts_foreach,
4238 object_create_initial, NULL)) {
4239 exit(1);
4240 }
4241
4242 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4243 chardev_init_func, NULL, NULL)) {
4244 exit(1);
4245 }
4246
4247 #ifdef CONFIG_VIRTFS
4248 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4249 fsdev_init_func, NULL, NULL)) {
4250 exit(1);
4251 }
4252 #endif
4253
4254 if (qemu_opts_foreach(qemu_find_opts("device"),
4255 device_help_func, NULL, NULL)) {
4256 exit(0);
4257 }
4258
4259 machine_opts = qemu_get_machine_opts();
4260 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4261 NULL)) {
4262 object_unref(OBJECT(current_machine));
4263 exit(1);
4264 }
4265
4266 configure_accelerator(current_machine);
4267
4268 if (!qtest_enabled() && machine_class->deprecation_reason) {
4269 error_report("Machine type '%s' is deprecated: %s",
4270 machine_class->name, machine_class->deprecation_reason);
4271 }
4272
4273 /*
4274 * Register all the global properties, including accel properties,
4275 * machine properties, and user-specified ones.
4276 */
4277 register_global_properties(current_machine);
4278
4279 /*
4280 * Migration object can only be created after global properties
4281 * are applied correctly.
4282 */
4283 migration_object_init();
4284
4285 if (qtest_chrdev) {
4286 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4287 }
4288
4289 machine_opts = qemu_get_machine_opts();
4290 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4291 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4292 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4293 bios_name = qemu_opt_get(machine_opts, "firmware");
4294
4295 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4296 if (opts) {
4297 boot_order = qemu_opt_get(opts, "order");
4298 if (boot_order) {
4299 validate_bootdevices(boot_order, &error_fatal);
4300 }
4301
4302 boot_once = qemu_opt_get(opts, "once");
4303 if (boot_once) {
4304 validate_bootdevices(boot_once, &error_fatal);
4305 }
4306
4307 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4308 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4309 }
4310
4311 if (!boot_order) {
4312 boot_order = machine_class->default_boot_order;
4313 }
4314
4315 if (!kernel_cmdline) {
4316 kernel_cmdline = "";
4317 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4318 }
4319
4320 linux_boot = (kernel_filename != NULL);
4321
4322 if (!linux_boot && *kernel_cmdline != '\0') {
4323 error_report("-append only allowed with -kernel option");
4324 exit(1);
4325 }
4326
4327 if (!linux_boot && initrd_filename != NULL) {
4328 error_report("-initrd only allowed with -kernel option");
4329 exit(1);
4330 }
4331
4332 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4333 /* fall back to the -kernel/-append */
4334 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4335 }
4336
4337 os_set_line_buffering();
4338
4339 /* spice needs the timers to be initialized by this point */
4340 qemu_spice_init();
4341
4342 cpu_ticks_init();
4343 if (icount_opts) {
4344 if (!tcg_enabled()) {
4345 error_report("-icount is not allowed with hardware virtualization");
4346 exit(1);
4347 }
4348 configure_icount(icount_opts, &error_abort);
4349 qemu_opts_del(icount_opts);
4350 }
4351
4352 if (tcg_enabled()) {
4353 qemu_tcg_configure(accel_opts, &error_fatal);
4354 }
4355
4356 if (default_net) {
4357 QemuOptsList *net = qemu_find_opts("net");
4358 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4359 #ifdef CONFIG_SLIRP
4360 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4361 #endif
4362 }
4363
4364 colo_info_init();
4365
4366 if (net_init_clients(&err) < 0) {
4367 error_report_err(err);
4368 exit(1);
4369 }
4370
4371 if (qemu_opts_foreach(qemu_find_opts("object"),
4372 user_creatable_add_opts_foreach,
4373 object_create_delayed, NULL)) {
4374 exit(1);
4375 }
4376
4377 if (tpm_init() < 0) {
4378 exit(1);
4379 }
4380
4381 /* init the bluetooth world */
4382 if (foreach_device_config(DEV_BT, bt_parse))
4383 exit(1);
4384
4385 if (!xen_enabled()) {
4386 /* On 32-bit hosts, QEMU is limited by virtual address space */
4387 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4388 error_report("at most 2047 MB RAM can be simulated");
4389 exit(1);
4390 }
4391 }
4392
4393 blk_mig_init();
4394 ram_mig_init();
4395 dirty_bitmap_mig_init();
4396
4397 /* If the currently selected machine wishes to override the units-per-bus
4398 * property of its default HBA interface type, do so now. */
4399 if (machine_class->units_per_default_bus) {
4400 override_max_devs(machine_class->block_default_type,
4401 machine_class->units_per_default_bus);
4402 }
4403
4404 /* open the virtual block devices */
4405 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4406 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4407
4408 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4409 loc_push_restore(&bdo->loc);
4410 qmp_blockdev_add(bdo->bdo, &error_fatal);
4411 loc_pop(&bdo->loc);
4412 qapi_free_BlockdevOptions(bdo->bdo);
4413 g_free(bdo);
4414 }
4415 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4416 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4417 NULL, NULL);
4418 }
4419 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4420 &machine_class->block_default_type, NULL)) {
4421 exit(1);
4422 }
4423
4424 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4425 CDROM_OPTS);
4426 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4427 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4428
4429 if (qemu_opts_foreach(qemu_find_opts("mon"),
4430 mon_init_func, NULL, NULL)) {
4431 exit(1);
4432 }
4433
4434 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4435 exit(1);
4436 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4437 exit(1);
4438 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4439 exit(1);
4440 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4441 exit(1);
4442
4443 /* If no default VGA is requested, the default is "none". */
4444 if (default_vga) {
4445 if (machine_class->default_display) {
4446 vga_model = machine_class->default_display;
4447 } else if (vga_interface_available(VGA_CIRRUS)) {
4448 vga_model = "cirrus";
4449 } else if (vga_interface_available(VGA_STD)) {
4450 vga_model = "std";
4451 }
4452 }
4453 if (vga_model) {
4454 select_vgahw(vga_model);
4455 }
4456
4457 if (watchdog) {
4458 i = select_watchdog(watchdog);
4459 if (i > 0)
4460 exit (i == 1 ? 1 : 0);
4461 }
4462
4463 /* This checkpoint is required by replay to separate prior clock
4464 reading from the other reads, because timer polling functions query
4465 clock values from the log. */
4466 replay_checkpoint(CHECKPOINT_INIT);
4467 qdev_machine_init();
4468
4469 current_machine->ram_size = ram_size;
4470 current_machine->maxram_size = maxram_size;
4471 current_machine->ram_slots = ram_slots;
4472 current_machine->boot_order = boot_order;
4473
4474 /* parse features once if machine provides default cpu_type */
4475 current_machine->cpu_type = machine_class->default_cpu_type;
4476 if (cpu_model) {
4477 current_machine->cpu_type = parse_cpu_model(cpu_model);
4478 }
4479 parse_numa_opts(current_machine);
4480
4481 /* do monitor/qmp handling at preconfig state if requested */
4482 main_loop();
4483
4484 /* from here on runstate is RUN_STATE_PRELAUNCH */
4485 machine_run_board_init(current_machine);
4486
4487 realtime_init();
4488
4489 soundhw_init();
4490
4491 if (hax_enabled()) {
4492 hax_sync_vcpus();
4493 }
4494
4495 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4496 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4497 exit(1);
4498 }
4499
4500 /* init USB devices */
4501 if (machine_usb(current_machine)) {
4502 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4503 exit(1);
4504 }
4505
4506 /* Check if IGD GFX passthrough. */
4507 igd_gfx_passthru();
4508
4509 /* init generic devices */
4510 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4511 if (qemu_opts_foreach(qemu_find_opts("device"),
4512 device_init_func, NULL, NULL)) {
4513 exit(1);
4514 }
4515
4516 cpu_synchronize_all_post_init();
4517
4518 rom_reset_order_override();
4519
4520 /* Did we create any drives that we failed to create a device for? */
4521 drive_check_orphaned();
4522
4523 /* Don't warn about the default network setup that you get if
4524 * no command line -net or -netdev options are specified. There
4525 * are two cases that we would otherwise complain about:
4526 * (1) board doesn't support a NIC but the implicit "-net nic"
4527 * requested one
4528 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4529 * sets up a nic that isn't connected to anything.
4530 */
4531 if (!default_net && (!qtest_enabled() || has_defaults)) {
4532 net_check_clients();
4533 }
4534
4535 if (boot_once) {
4536 qemu_boot_set(boot_once, &error_fatal);
4537 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4538 }
4539
4540 /* init local displays */
4541 ds = init_displaystate();
4542 qemu_display_init(ds, &dpy);
4543
4544 /* must be after terminal init, SDL library changes signal handlers */
4545 os_setup_signal_handling();
4546
4547 /* init remote displays */
4548 #ifdef CONFIG_VNC
4549 qemu_opts_foreach(qemu_find_opts("vnc"),
4550 vnc_init_func, NULL, NULL);
4551 #endif
4552
4553 if (using_spice) {
4554 qemu_spice_display_init();
4555 }
4556
4557 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4558 exit(1);
4559 }
4560
4561 qdev_machine_creation_done();
4562
4563 /* TODO: once all bus devices are qdevified, this should be done
4564 * when bus is created by qdev.c */
4565 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4566 qemu_run_machine_init_done_notifiers();
4567
4568 if (rom_check_and_register_reset() != 0) {
4569 error_report("rom check and register reset failed");
4570 exit(1);
4571 }
4572
4573 replay_start();
4574
4575 /* This checkpoint is required by replay to separate prior clock
4576 reading from the other reads, because timer polling functions query
4577 clock values from the log. */
4578 replay_checkpoint(CHECKPOINT_RESET);
4579 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4580 register_global_state();
4581 if (loadvm) {
4582 Error *local_err = NULL;
4583 if (load_snapshot(loadvm, &local_err) < 0) {
4584 error_report_err(local_err);
4585 autostart = 0;
4586 exit(1);
4587 }
4588 }
4589 if (replay_mode != REPLAY_MODE_NONE) {
4590 replay_vmstate_init();
4591 }
4592
4593 qdev_prop_check_globals();
4594 if (vmstate_dump_file) {
4595 /* dump and exit */
4596 dump_vmstate_json_to_file(vmstate_dump_file);
4597 return 0;
4598 }
4599
4600 if (incoming) {
4601 Error *local_err = NULL;
4602 qemu_start_incoming_migration(incoming, &local_err);
4603 if (local_err) {
4604 error_reportf_err(local_err, "-incoming %s: ", incoming);
4605 exit(1);
4606 }
4607 } else if (autostart) {
4608 vm_start();
4609 }
4610
4611 accel_setup_post(current_machine);
4612 os_setup_post();
4613
4614 main_loop();
4615
4616 gdbserver_cleanup();
4617
4618 /* No more vcpu or device emulation activity beyond this point */
4619 vm_shutdown();
4620
4621 job_cancel_sync_all();
4622 bdrv_close_all();
4623
4624 res_free();
4625
4626 /* vhost-user must be cleaned up before chardevs. */
4627 tpm_cleanup();
4628 net_cleanup();
4629 audio_cleanup();
4630 monitor_cleanup();
4631 qemu_chr_cleanup();
4632 user_creatable_cleanup();
4633 migration_object_finalize();
4634 /* TODO: unref root container, check all devices are ok */
4635
4636 return 0;
4637 }
AR7 emulation for QEMU