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qemu-iotests/139: Avoid blockdev-add with id
[qemu.git] / vl.c
blobfd321e2fd440cdfaf667454ce3367c75fe0d7c97
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 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28
29 #ifdef CONFIG_SECCOMP
30 #include "sysemu/seccomp.h"
31 #endif
32
33 #if defined(CONFIG_VDE)
34 #include <libvdeplug.h>
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124 #include "sysemu/iothread.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 int request_opengl = -1;
134 int display_opengl;
135 const char* keyboard_layout = NULL;
136 ram_addr_t ram_size;
137 const char *mem_path = NULL;
138 int mem_prealloc = 0; /* force preallocation of physical target memory */
139 bool enable_mlock = false;
140 int nb_nics;
141 NICInfo nd_table[MAX_NICS];
142 int autostart;
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
149 int no_quit = 0;
150 static bool grab_on_hover;
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 1;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 int acpi_enabled = 1;
162 int no_hpet = 0;
163 int fd_bootchk = 1;
164 static int no_reboot;
165 int no_shutdown = 0;
166 int cursor_hide = 1;
167 int graphic_rotate = 0;
168 const char *watchdog;
169 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
170 int nb_option_roms;
171 int old_param = 0;
172 const char *qemu_name;
173 int alt_grab = 0;
174 int ctrl_grab = 0;
175 unsigned int nb_prom_envs = 0;
176 const char *prom_envs[MAX_PROM_ENVS];
177 int boot_menu;
178 bool boot_strict;
179 uint8_t *boot_splash_filedata;
180 size_t boot_splash_filedata_size;
181 uint8_t qemu_extra_params_fw[2];
182
183 int icount_align_option;
184
185 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
186 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 */
188 uint8_t qemu_uuid[16];
189 bool qemu_uuid_set;
190
191 static NotifierList exit_notifiers =
192 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
193
194 static NotifierList machine_init_done_notifiers =
195 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
196
197 bool xen_allowed;
198 uint32_t xen_domid;
199 enum xen_mode xen_mode = XEN_EMULATE;
200
201 static int has_defaults = 1;
202 static int default_serial = 1;
203 static int default_parallel = 1;
204 static int default_virtcon = 1;
205 static int default_sclp = 1;
206 static int default_monitor = 1;
207 static int default_floppy = 1;
208 static int default_cdrom = 1;
209 static int default_sdcard = 1;
210 static int default_vga = 1;
211 static int default_net = 1;
212
213 static struct {
214 const char *driver;
215 int *flag;
216 } default_list[] = {
217 { .driver = "isa-serial", .flag = &default_serial },
218 { .driver = "isa-parallel", .flag = &default_parallel },
219 { .driver = "isa-fdc", .flag = &default_floppy },
220 { .driver = "ide-cd", .flag = &default_cdrom },
221 { .driver = "ide-hd", .flag = &default_cdrom },
222 { .driver = "ide-drive", .flag = &default_cdrom },
223 { .driver = "scsi-cd", .flag = &default_cdrom },
224 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
225 { .driver = "virtio-serial", .flag = &default_virtcon },
226 { .driver = "VGA", .flag = &default_vga },
227 { .driver = "isa-vga", .flag = &default_vga },
228 { .driver = "cirrus-vga", .flag = &default_vga },
229 { .driver = "isa-cirrus-vga", .flag = &default_vga },
230 { .driver = "vmware-svga", .flag = &default_vga },
231 { .driver = "qxl-vga", .flag = &default_vga },
232 { .driver = "virtio-vga", .flag = &default_vga },
233 };
234
235 static QemuOptsList qemu_rtc_opts = {
236 .name = "rtc",
237 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
238 .desc = {
239 {
240 .name = "base",
241 .type = QEMU_OPT_STRING,
242 },{
243 .name = "clock",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "driftfix",
247 .type = QEMU_OPT_STRING,
248 },
249 { /* end of list */ }
250 },
251 };
252
253 static QemuOptsList qemu_sandbox_opts = {
254 .name = "sandbox",
255 .implied_opt_name = "enable",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
257 .desc = {
258 {
259 .name = "enable",
260 .type = QEMU_OPT_BOOL,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_option_rom_opts = {
267 .name = "option-rom",
268 .implied_opt_name = "romfile",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
270 .desc = {
271 {
272 .name = "bootindex",
273 .type = QEMU_OPT_NUMBER,
274 }, {
275 .name = "romfile",
276 .type = QEMU_OPT_STRING,
277 },
278 { /* end of list */ }
279 },
280 };
281
282 static QemuOptsList qemu_machine_opts = {
283 .name = "machine",
284 .implied_opt_name = "type",
285 .merge_lists = true,
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
287 .desc = {
288 /*
289 * no elements => accept any
290 * sanity checking will happen later
291 * when setting machine properties
292 */
293 { }
294 },
295 };
296
297 static QemuOptsList qemu_boot_opts = {
298 .name = "boot-opts",
299 .implied_opt_name = "order",
300 .merge_lists = true,
301 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
302 .desc = {
303 {
304 .name = "order",
305 .type = QEMU_OPT_STRING,
306 }, {
307 .name = "once",
308 .type = QEMU_OPT_STRING,
309 }, {
310 .name = "menu",
311 .type = QEMU_OPT_BOOL,
312 }, {
313 .name = "splash",
314 .type = QEMU_OPT_STRING,
315 }, {
316 .name = "splash-time",
317 .type = QEMU_OPT_STRING,
318 }, {
319 .name = "reboot-timeout",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "strict",
323 .type = QEMU_OPT_BOOL,
324 },
325 { /*End of list */ }
326 },
327 };
328
329 static QemuOptsList qemu_add_fd_opts = {
330 .name = "add-fd",
331 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
332 .desc = {
333 {
334 .name = "fd",
335 .type = QEMU_OPT_NUMBER,
336 .help = "file descriptor of which a duplicate is added to fd set",
337 },{
338 .name = "set",
339 .type = QEMU_OPT_NUMBER,
340 .help = "ID of the fd set to add fd to",
341 },{
342 .name = "opaque",
343 .type = QEMU_OPT_STRING,
344 .help = "free-form string used to describe fd",
345 },
346 { /* end of list */ }
347 },
348 };
349
350 static QemuOptsList qemu_object_opts = {
351 .name = "object",
352 .implied_opt_name = "qom-type",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
354 .desc = {
355 { }
356 },
357 };
358
359 static QemuOptsList qemu_tpmdev_opts = {
360 .name = "tpmdev",
361 .implied_opt_name = "type",
362 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
363 .desc = {
364 /* options are defined in the TPM backends */
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_realtime_opts = {
370 .name = "realtime",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
372 .desc = {
373 {
374 .name = "mlock",
375 .type = QEMU_OPT_BOOL,
376 },
377 { /* end of list */ }
378 },
379 };
380
381 static QemuOptsList qemu_msg_opts = {
382 .name = "msg",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
384 .desc = {
385 {
386 .name = "timestamp",
387 .type = QEMU_OPT_BOOL,
388 },
389 { /* end of list */ }
390 },
391 };
392
393 static QemuOptsList qemu_name_opts = {
394 .name = "name",
395 .implied_opt_name = "guest",
396 .merge_lists = true,
397 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
398 .desc = {
399 {
400 .name = "guest",
401 .type = QEMU_OPT_STRING,
402 .help = "Sets the name of the guest.\n"
403 "This name will be displayed in the SDL window caption.\n"
404 "The name will also be used for the VNC server",
405 }, {
406 .name = "process",
407 .type = QEMU_OPT_STRING,
408 .help = "Sets the name of the QEMU process, as shown in top etc",
409 }, {
410 .name = "debug-threads",
411 .type = QEMU_OPT_BOOL,
412 .help = "When enabled, name the individual threads; defaults off.\n"
413 "NOTE: The thread names are for debugging and not a\n"
414 "stable API.",
415 },
416 { /* End of list */ }
417 },
418 };
419
420 static QemuOptsList qemu_mem_opts = {
421 .name = "memory",
422 .implied_opt_name = "size",
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
424 .merge_lists = true,
425 .desc = {
426 {
427 .name = "size",
428 .type = QEMU_OPT_SIZE,
429 },
430 {
431 .name = "slots",
432 .type = QEMU_OPT_NUMBER,
433 },
434 {
435 .name = "maxmem",
436 .type = QEMU_OPT_SIZE,
437 },
438 { /* end of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_icount_opts = {
443 .name = "icount",
444 .implied_opt_name = "shift",
445 .merge_lists = true,
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
447 .desc = {
448 {
449 .name = "shift",
450 .type = QEMU_OPT_STRING,
451 }, {
452 .name = "align",
453 .type = QEMU_OPT_BOOL,
454 }, {
455 .name = "sleep",
456 .type = QEMU_OPT_BOOL,
457 }, {
458 .name = "rr",
459 .type = QEMU_OPT_STRING,
460 }, {
461 .name = "rrfile",
462 .type = QEMU_OPT_STRING,
463 },
464 { /* end of list */ }
465 },
466 };
467
468 static QemuOptsList qemu_semihosting_config_opts = {
469 .name = "semihosting-config",
470 .implied_opt_name = "enable",
471 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
472 .desc = {
473 {
474 .name = "enable",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "target",
478 .type = QEMU_OPT_STRING,
479 }, {
480 .name = "arg",
481 .type = QEMU_OPT_STRING,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_fw_cfg_opts = {
488 .name = "fw_cfg",
489 .implied_opt_name = "name",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
491 .desc = {
492 {
493 .name = "name",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the fw_cfg name of the blob to be inserted",
496 }, {
497 .name = "file",
498 .type = QEMU_OPT_STRING,
499 .help = "Sets the name of the file from which\n"
500 "the fw_cfg blob will be loaded",
501 }, {
502 .name = "string",
503 .type = QEMU_OPT_STRING,
504 .help = "Sets content of the blob to be inserted from a string",
505 },
506 { /* end of list */ }
507 },
508 };
509
510 #ifdef CONFIG_LIBISCSI
511 static QemuOptsList qemu_iscsi_opts = {
512 .name = "iscsi",
513 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
514 .desc = {
515 {
516 .name = "user",
517 .type = QEMU_OPT_STRING,
518 .help = "username for CHAP authentication to target",
519 },{
520 .name = "password",
521 .type = QEMU_OPT_STRING,
522 .help = "password for CHAP authentication to target",
523 },{
524 .name = "password-secret",
525 .type = QEMU_OPT_STRING,
526 .help = "ID of the secret providing password for CHAP "
527 "authentication to target",
528 },{
529 .name = "header-digest",
530 .type = QEMU_OPT_STRING,
531 .help = "HeaderDigest setting. "
532 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
533 },{
534 .name = "initiator-name",
535 .type = QEMU_OPT_STRING,
536 .help = "Initiator iqn name to use when connecting",
537 },{
538 .name = "timeout",
539 .type = QEMU_OPT_NUMBER,
540 .help = "Request timeout in seconds (default 0 = no timeout)",
541 },
542 { /* end of list */ }
543 },
544 };
545 #endif
546
547 /**
548 * Get machine options
549 *
550 * Returns: machine options (never null).
551 */
552 QemuOpts *qemu_get_machine_opts(void)
553 {
554 return qemu_find_opts_singleton("machine");
555 }
556
557 const char *qemu_get_vm_name(void)
558 {
559 return qemu_name;
560 }
561
562 static void res_free(void)
563 {
564 g_free(boot_splash_filedata);
565 boot_splash_filedata = NULL;
566 }
567
568 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
569 {
570 const char *driver = qemu_opt_get(opts, "driver");
571 int i;
572
573 if (!driver)
574 return 0;
575 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
576 if (strcmp(default_list[i].driver, driver) != 0)
577 continue;
578 *(default_list[i].flag) = 0;
579 }
580 return 0;
581 }
582
583 /***********************************************************/
584 /* QEMU state */
585
586 static RunState current_run_state = RUN_STATE_PRELAUNCH;
587
588 /* We use RUN_STATE__MAX but any invalid value will do */
589 static RunState vmstop_requested = RUN_STATE__MAX;
590 static QemuMutex vmstop_lock;
591
592 typedef struct {
593 RunState from;
594 RunState to;
595 } RunStateTransition;
596
597 static const RunStateTransition runstate_transitions_def[] = {
598 /* from -> to */
599 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
600 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
602
603 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
604 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
605 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
606 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
607 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
608 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
610 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
613 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
614
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
618
619 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
620 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
624 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
634
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
638
639 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
640 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
643 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
644 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
646 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
648 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
650 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
651 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
652
653 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
654
655 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
656 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
658
659 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
660 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
661 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
662 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
663 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
664
665 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
666 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
668
669 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
670 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
672
673 { RUN_STATE__MAX, RUN_STATE__MAX },
674 };
675
676 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
677
678 bool runstate_check(RunState state)
679 {
680 return current_run_state == state;
681 }
682
683 bool runstate_store(char *str, size_t size)
684 {
685 const char *state = RunState_lookup[current_run_state];
686 size_t len = strlen(state) + 1;
687
688 if (len > size) {
689 return false;
690 }
691 memcpy(str, state, len);
692 return true;
693 }
694
695 static void runstate_init(void)
696 {
697 const RunStateTransition *p;
698
699 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
700 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
701 runstate_valid_transitions[p->from][p->to] = true;
702 }
703
704 qemu_mutex_init(&vmstop_lock);
705 }
706
707 /* This function will abort() on invalid state transitions */
708 void runstate_set(RunState new_state)
709 {
710 assert(new_state < RUN_STATE__MAX);
711
712 if (current_run_state == new_state) {
713 return;
714 }
715
716 if (!runstate_valid_transitions[current_run_state][new_state]) {
717 error_report("invalid runstate transition: '%s' -> '%s'",
718 RunState_lookup[current_run_state],
719 RunState_lookup[new_state]);
720 abort();
721 }
722 trace_runstate_set(new_state);
723 current_run_state = new_state;
724 }
725
726 int runstate_is_running(void)
727 {
728 return runstate_check(RUN_STATE_RUNNING);
729 }
730
731 bool runstate_needs_reset(void)
732 {
733 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
734 runstate_check(RUN_STATE_SHUTDOWN);
735 }
736
737 StatusInfo *qmp_query_status(Error **errp)
738 {
739 StatusInfo *info = g_malloc0(sizeof(*info));
740
741 info->running = runstate_is_running();
742 info->singlestep = singlestep;
743 info->status = current_run_state;
744
745 return info;
746 }
747
748 static bool qemu_vmstop_requested(RunState *r)
749 {
750 qemu_mutex_lock(&vmstop_lock);
751 *r = vmstop_requested;
752 vmstop_requested = RUN_STATE__MAX;
753 qemu_mutex_unlock(&vmstop_lock);
754 return *r < RUN_STATE__MAX;
755 }
756
757 void qemu_system_vmstop_request_prepare(void)
758 {
759 qemu_mutex_lock(&vmstop_lock);
760 }
761
762 void qemu_system_vmstop_request(RunState state)
763 {
764 vmstop_requested = state;
765 qemu_mutex_unlock(&vmstop_lock);
766 qemu_notify_event();
767 }
768
769 void vm_start(void)
770 {
771 RunState requested;
772
773 qemu_vmstop_requested(&requested);
774 if (runstate_is_running() && requested == RUN_STATE__MAX) {
775 return;
776 }
777
778 /* Ensure that a STOP/RESUME pair of events is emitted if a
779 * vmstop request was pending. The BLOCK_IO_ERROR event, for
780 * example, according to documentation is always followed by
781 * the STOP event.
782 */
783 if (runstate_is_running()) {
784 qapi_event_send_stop(&error_abort);
785 } else {
786 cpu_enable_ticks();
787 runstate_set(RUN_STATE_RUNNING);
788 vm_state_notify(1, RUN_STATE_RUNNING);
789 resume_all_vcpus();
790 }
791
792 qapi_event_send_resume(&error_abort);
793 }
794
795
796 /***********************************************************/
797 /* real time host monotonic timer */
798
799 static time_t qemu_time(void)
800 {
801 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
802 }
803
804 /***********************************************************/
805 /* host time/date access */
806 void qemu_get_timedate(struct tm *tm, int offset)
807 {
808 time_t ti = qemu_time();
809
810 ti += offset;
811 if (rtc_date_offset == -1) {
812 if (rtc_utc)
813 gmtime_r(&ti, tm);
814 else
815 localtime_r(&ti, tm);
816 } else {
817 ti -= rtc_date_offset;
818 gmtime_r(&ti, tm);
819 }
820 }
821
822 int qemu_timedate_diff(struct tm *tm)
823 {
824 time_t seconds;
825
826 if (rtc_date_offset == -1)
827 if (rtc_utc)
828 seconds = mktimegm(tm);
829 else {
830 struct tm tmp = *tm;
831 tmp.tm_isdst = -1; /* use timezone to figure it out */
832 seconds = mktime(&tmp);
833 }
834 else
835 seconds = mktimegm(tm) + rtc_date_offset;
836
837 return seconds - qemu_time();
838 }
839
840 static void configure_rtc_date_offset(const char *startdate, int legacy)
841 {
842 time_t rtc_start_date;
843 struct tm tm;
844
845 if (!strcmp(startdate, "now") && legacy) {
846 rtc_date_offset = -1;
847 } else {
848 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
849 &tm.tm_year,
850 &tm.tm_mon,
851 &tm.tm_mday,
852 &tm.tm_hour,
853 &tm.tm_min,
854 &tm.tm_sec) == 6) {
855 /* OK */
856 } else if (sscanf(startdate, "%d-%d-%d",
857 &tm.tm_year,
858 &tm.tm_mon,
859 &tm.tm_mday) == 3) {
860 tm.tm_hour = 0;
861 tm.tm_min = 0;
862 tm.tm_sec = 0;
863 } else {
864 goto date_fail;
865 }
866 tm.tm_year -= 1900;
867 tm.tm_mon--;
868 rtc_start_date = mktimegm(&tm);
869 if (rtc_start_date == -1) {
870 date_fail:
871 error_report("invalid date format");
872 error_printf("valid formats: "
873 "'2006-06-17T16:01:21' or '2006-06-17'\n");
874 exit(1);
875 }
876 rtc_date_offset = qemu_time() - rtc_start_date;
877 }
878 }
879
880 static void configure_rtc(QemuOpts *opts)
881 {
882 const char *value;
883
884 value = qemu_opt_get(opts, "base");
885 if (value) {
886 if (!strcmp(value, "utc")) {
887 rtc_utc = 1;
888 } else if (!strcmp(value, "localtime")) {
889 Error *blocker = NULL;
890 rtc_utc = 0;
891 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
892 "-rtc base=localtime");
893 replay_add_blocker(blocker);
894 } else {
895 configure_rtc_date_offset(value, 0);
896 }
897 }
898 value = qemu_opt_get(opts, "clock");
899 if (value) {
900 if (!strcmp(value, "host")) {
901 rtc_clock = QEMU_CLOCK_HOST;
902 } else if (!strcmp(value, "rt")) {
903 rtc_clock = QEMU_CLOCK_REALTIME;
904 } else if (!strcmp(value, "vm")) {
905 rtc_clock = QEMU_CLOCK_VIRTUAL;
906 } else {
907 error_report("invalid option value '%s'", value);
908 exit(1);
909 }
910 }
911 value = qemu_opt_get(opts, "driftfix");
912 if (value) {
913 if (!strcmp(value, "slew")) {
914 static GlobalProperty slew_lost_ticks = {
915 .driver = "mc146818rtc",
916 .property = "lost_tick_policy",
917 .value = "slew",
918 };
919
920 qdev_prop_register_global(&slew_lost_ticks);
921 } else if (!strcmp(value, "none")) {
922 /* discard is default */
923 } else {
924 error_report("invalid option value '%s'", value);
925 exit(1);
926 }
927 }
928 }
929
930 /***********************************************************/
931 /* Bluetooth support */
932 static int nb_hcis;
933 static int cur_hci;
934 static struct HCIInfo *hci_table[MAX_NICS];
935
936 struct HCIInfo *qemu_next_hci(void)
937 {
938 if (cur_hci == nb_hcis)
939 return &null_hci;
940
941 return hci_table[cur_hci++];
942 }
943
944 static int bt_hci_parse(const char *str)
945 {
946 struct HCIInfo *hci;
947 bdaddr_t bdaddr;
948
949 if (nb_hcis >= MAX_NICS) {
950 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
951 return -1;
952 }
953
954 hci = hci_init(str);
955 if (!hci)
956 return -1;
957
958 bdaddr.b[0] = 0x52;
959 bdaddr.b[1] = 0x54;
960 bdaddr.b[2] = 0x00;
961 bdaddr.b[3] = 0x12;
962 bdaddr.b[4] = 0x34;
963 bdaddr.b[5] = 0x56 + nb_hcis;
964 hci->bdaddr_set(hci, bdaddr.b);
965
966 hci_table[nb_hcis++] = hci;
967
968 return 0;
969 }
970
971 static void bt_vhci_add(int vlan_id)
972 {
973 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
974
975 if (!vlan->slave)
976 error_report("warning: adding a VHCI to an empty scatternet %i",
977 vlan_id);
978
979 bt_vhci_init(bt_new_hci(vlan));
980 }
981
982 static struct bt_device_s *bt_device_add(const char *opt)
983 {
984 struct bt_scatternet_s *vlan;
985 int vlan_id = 0;
986 char *endp = strstr(opt, ",vlan=");
987 int len = (endp ? endp - opt : strlen(opt)) + 1;
988 char devname[10];
989
990 pstrcpy(devname, MIN(sizeof(devname), len), opt);
991
992 if (endp) {
993 vlan_id = strtol(endp + 6, &endp, 0);
994 if (*endp) {
995 error_report("unrecognised bluetooth vlan Id");
996 return 0;
997 }
998 }
999
1000 vlan = qemu_find_bt_vlan(vlan_id);
1001
1002 if (!vlan->slave)
1003 error_report("warning: adding a slave device to an empty scatternet %i",
1004 vlan_id);
1005
1006 if (!strcmp(devname, "keyboard"))
1007 return bt_keyboard_init(vlan);
1008
1009 error_report("unsupported bluetooth device '%s'", devname);
1010 return 0;
1011 }
1012
1013 static int bt_parse(const char *opt)
1014 {
1015 const char *endp, *p;
1016 int vlan;
1017
1018 if (strstart(opt, "hci", &endp)) {
1019 if (!*endp || *endp == ',') {
1020 if (*endp)
1021 if (!strstart(endp, ",vlan=", 0))
1022 opt = endp + 1;
1023
1024 return bt_hci_parse(opt);
1025 }
1026 } else if (strstart(opt, "vhci", &endp)) {
1027 if (!*endp || *endp == ',') {
1028 if (*endp) {
1029 if (strstart(endp, ",vlan=", &p)) {
1030 vlan = strtol(p, (char **) &endp, 0);
1031 if (*endp) {
1032 error_report("bad scatternet '%s'", p);
1033 return 1;
1034 }
1035 } else {
1036 error_report("bad parameter '%s'", endp + 1);
1037 return 1;
1038 }
1039 } else
1040 vlan = 0;
1041
1042 bt_vhci_add(vlan);
1043 return 0;
1044 }
1045 } else if (strstart(opt, "device:", &endp))
1046 return !bt_device_add(endp);
1047
1048 error_report("bad bluetooth parameter '%s'", opt);
1049 return 1;
1050 }
1051
1052 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1053 {
1054 /* FIXME: change this to true for 1.3 */
1055 if (qemu_opt_get_bool(opts, "enable", false)) {
1056 #ifdef CONFIG_SECCOMP
1057 if (seccomp_start() < 0) {
1058 error_report("failed to install seccomp syscall filter "
1059 "in the kernel");
1060 return -1;
1061 }
1062 #else
1063 error_report("seccomp support is disabled");
1064 return -1;
1065 #endif
1066 }
1067
1068 return 0;
1069 }
1070
1071 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1072 {
1073 const char *proc_name;
1074
1075 if (qemu_opt_get(opts, "debug-threads")) {
1076 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1077 }
1078 qemu_name = qemu_opt_get(opts, "guest");
1079
1080 proc_name = qemu_opt_get(opts, "process");
1081 if (proc_name) {
1082 os_set_proc_name(proc_name);
1083 }
1084
1085 return 0;
1086 }
1087
1088 bool defaults_enabled(void)
1089 {
1090 return has_defaults;
1091 }
1092
1093 #ifndef _WIN32
1094 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1095 {
1096 int fd, dupfd, flags;
1097 int64_t fdset_id;
1098 const char *fd_opaque = NULL;
1099 AddfdInfo *fdinfo;
1100
1101 fd = qemu_opt_get_number(opts, "fd", -1);
1102 fdset_id = qemu_opt_get_number(opts, "set", -1);
1103 fd_opaque = qemu_opt_get(opts, "opaque");
1104
1105 if (fd < 0) {
1106 error_report("fd option is required and must be non-negative");
1107 return -1;
1108 }
1109
1110 if (fd <= STDERR_FILENO) {
1111 error_report("fd cannot be a standard I/O stream");
1112 return -1;
1113 }
1114
1115 /*
1116 * All fds inherited across exec() necessarily have FD_CLOEXEC
1117 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1118 */
1119 flags = fcntl(fd, F_GETFD);
1120 if (flags == -1 || (flags & FD_CLOEXEC)) {
1121 error_report("fd is not valid or already in use");
1122 return -1;
1123 }
1124
1125 if (fdset_id < 0) {
1126 error_report("set option is required and must be non-negative");
1127 return -1;
1128 }
1129
1130 #ifdef F_DUPFD_CLOEXEC
1131 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1132 #else
1133 dupfd = dup(fd);
1134 if (dupfd != -1) {
1135 qemu_set_cloexec(dupfd);
1136 }
1137 #endif
1138 if (dupfd == -1) {
1139 error_report("error duplicating fd: %s", strerror(errno));
1140 return -1;
1141 }
1142
1143 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1144 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1145 &error_abort);
1146 g_free(fdinfo);
1147
1148 return 0;
1149 }
1150
1151 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 int fd;
1154
1155 fd = qemu_opt_get_number(opts, "fd", -1);
1156 close(fd);
1157
1158 return 0;
1159 }
1160 #endif
1161
1162 /***********************************************************/
1163 /* QEMU Block devices */
1164
1165 #define HD_OPTS "media=disk"
1166 #define CDROM_OPTS "media=cdrom"
1167 #define FD_OPTS ""
1168 #define PFLASH_OPTS ""
1169 #define MTD_OPTS ""
1170 #define SD_OPTS ""
1171
1172 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1173 {
1174 BlockInterfaceType *block_default_type = opaque;
1175
1176 return drive_new(opts, *block_default_type) == NULL;
1177 }
1178
1179 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1180 {
1181 if (qemu_opt_get(opts, "snapshot") == NULL) {
1182 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1183 }
1184 return 0;
1185 }
1186
1187 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1188 int index, const char *optstr)
1189 {
1190 QemuOpts *opts;
1191 DriveInfo *dinfo;
1192
1193 if (!enable || drive_get_by_index(type, index)) {
1194 return;
1195 }
1196
1197 opts = drive_add(type, index, NULL, optstr);
1198 if (snapshot) {
1199 drive_enable_snapshot(NULL, opts, NULL);
1200 }
1201
1202 dinfo = drive_new(opts, type);
1203 if (!dinfo) {
1204 exit(1);
1205 }
1206 dinfo->is_default = true;
1207
1208 }
1209
1210 static QemuOptsList qemu_smp_opts = {
1211 .name = "smp-opts",
1212 .implied_opt_name = "cpus",
1213 .merge_lists = true,
1214 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1215 .desc = {
1216 {
1217 .name = "cpus",
1218 .type = QEMU_OPT_NUMBER,
1219 }, {
1220 .name = "sockets",
1221 .type = QEMU_OPT_NUMBER,
1222 }, {
1223 .name = "cores",
1224 .type = QEMU_OPT_NUMBER,
1225 }, {
1226 .name = "threads",
1227 .type = QEMU_OPT_NUMBER,
1228 }, {
1229 .name = "maxcpus",
1230 .type = QEMU_OPT_NUMBER,
1231 },
1232 { /*End of list */ }
1233 },
1234 };
1235
1236 static void smp_parse(QemuOpts *opts)
1237 {
1238 if (opts) {
1239 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1240 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1241 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1242 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1243
1244 /* compute missing values, prefer sockets over cores over threads */
1245 if (cpus == 0 || sockets == 0) {
1246 sockets = sockets > 0 ? sockets : 1;
1247 cores = cores > 0 ? cores : 1;
1248 threads = threads > 0 ? threads : 1;
1249 if (cpus == 0) {
1250 cpus = cores * threads * sockets;
1251 }
1252 } else if (cores == 0) {
1253 threads = threads > 0 ? threads : 1;
1254 cores = cpus / (sockets * threads);
1255 cores = cores > 0 ? cores : 1;
1256 } else if (threads == 0) {
1257 threads = cpus / (cores * sockets);
1258 threads = threads > 0 ? threads : 1;
1259 } else if (sockets * cores * threads < cpus) {
1260 error_report("cpu topology: "
1261 "sockets (%u) * cores (%u) * threads (%u) < "
1262 "smp_cpus (%u)",
1263 sockets, cores, threads, cpus);
1264 exit(1);
1265 }
1266
1267 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1268
1269 if (max_cpus > MAX_CPUMASK_BITS) {
1270 error_report("unsupported number of maxcpus");
1271 exit(1);
1272 }
1273
1274 if (max_cpus < cpus) {
1275 error_report("maxcpus must be equal to or greater than smp");
1276 exit(1);
1277 }
1278
1279 if (sockets * cores * threads > max_cpus) {
1280 error_report("cpu topology: "
1281 "sockets (%u) * cores (%u) * threads (%u) > "
1282 "maxcpus (%u)",
1283 sockets, cores, threads, max_cpus);
1284 exit(1);
1285 }
1286
1287 smp_cpus = cpus;
1288 smp_cores = cores;
1289 smp_threads = threads;
1290 }
1291
1292 if (smp_cpus > 1) {
1293 Error *blocker = NULL;
1294 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1295 replay_add_blocker(blocker);
1296 }
1297 }
1298
1299 static void realtime_init(void)
1300 {
1301 if (enable_mlock) {
1302 if (os_mlock() < 0) {
1303 error_report("locking memory failed");
1304 exit(1);
1305 }
1306 }
1307 }
1308
1309
1310 static void configure_msg(QemuOpts *opts)
1311 {
1312 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1313 }
1314
1315 /***********************************************************/
1316 /* Semihosting */
1317
1318 typedef struct SemihostingConfig {
1319 bool enabled;
1320 SemihostingTarget target;
1321 const char **argv;
1322 int argc;
1323 const char *cmdline; /* concatenated argv */
1324 } SemihostingConfig;
1325
1326 static SemihostingConfig semihosting;
1327
1328 bool semihosting_enabled(void)
1329 {
1330 return semihosting.enabled;
1331 }
1332
1333 SemihostingTarget semihosting_get_target(void)
1334 {
1335 return semihosting.target;
1336 }
1337
1338 const char *semihosting_get_arg(int i)
1339 {
1340 if (i >= semihosting.argc) {
1341 return NULL;
1342 }
1343 return semihosting.argv[i];
1344 }
1345
1346 int semihosting_get_argc(void)
1347 {
1348 return semihosting.argc;
1349 }
1350
1351 const char *semihosting_get_cmdline(void)
1352 {
1353 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1354 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1355 }
1356 return semihosting.cmdline;
1357 }
1358
1359 static int add_semihosting_arg(void *opaque,
1360 const char *name, const char *val,
1361 Error **errp)
1362 {
1363 SemihostingConfig *s = opaque;
1364 if (strcmp(name, "arg") == 0) {
1365 s->argc++;
1366 /* one extra element as g_strjoinv() expects NULL-terminated array */
1367 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1368 s->argv[s->argc - 1] = val;
1369 s->argv[s->argc] = NULL;
1370 }
1371 return 0;
1372 }
1373
1374 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1375 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1376 {
1377 char *cmd_token;
1378
1379 /* argv[0] */
1380 add_semihosting_arg(&semihosting, "arg", file, NULL);
1381
1382 /* split -append and initialize argv[1..n] */
1383 cmd_token = strtok(g_strdup(cmd), " ");
1384 while (cmd_token) {
1385 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1386 cmd_token = strtok(NULL, " ");
1387 }
1388 }
1389
1390 /* Now we still need this for compatibility with XEN. */
1391 bool has_igd_gfx_passthru;
1392 static void igd_gfx_passthru(void)
1393 {
1394 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1395 }
1396
1397 /***********************************************************/
1398 /* USB devices */
1399
1400 static int usb_device_add(const char *devname)
1401 {
1402 USBDevice *dev = NULL;
1403 #ifndef CONFIG_LINUX
1404 const char *p;
1405 #endif
1406
1407 if (!machine_usb(current_machine)) {
1408 return -1;
1409 }
1410
1411 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1412 dev = usbdevice_create(devname);
1413 if (dev)
1414 goto done;
1415
1416 /* the other ones */
1417 #ifndef CONFIG_LINUX
1418 /* only the linux version is qdev-ified, usb-bsd still needs this */
1419 if (strstart(devname, "host:", &p)) {
1420 dev = usb_host_device_open(usb_bus_find(-1), p);
1421 }
1422 #endif
1423 if (!dev)
1424 return -1;
1425
1426 done:
1427 return 0;
1428 }
1429
1430 static int usb_device_del(const char *devname)
1431 {
1432 int bus_num, addr;
1433 const char *p;
1434
1435 if (strstart(devname, "host:", &p)) {
1436 return -1;
1437 }
1438
1439 if (!machine_usb(current_machine)) {
1440 return -1;
1441 }
1442
1443 p = strchr(devname, '.');
1444 if (!p)
1445 return -1;
1446 bus_num = strtoul(devname, NULL, 0);
1447 addr = strtoul(p + 1, NULL, 0);
1448
1449 return usb_device_delete_addr(bus_num, addr);
1450 }
1451
1452 static int usb_parse(const char *cmdline)
1453 {
1454 int r;
1455 r = usb_device_add(cmdline);
1456 if (r < 0) {
1457 error_report("could not add USB device '%s'", cmdline);
1458 }
1459 return r;
1460 }
1461
1462 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1463 {
1464 const char *devname = qdict_get_str(qdict, "devname");
1465 if (usb_device_add(devname) < 0) {
1466 error_report("could not add USB device '%s'", devname);
1467 }
1468 }
1469
1470 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1471 {
1472 const char *devname = qdict_get_str(qdict, "devname");
1473 if (usb_device_del(devname) < 0) {
1474 error_report("could not delete USB device '%s'", devname);
1475 }
1476 }
1477
1478 /***********************************************************/
1479 /* machine registration */
1480
1481 MachineState *current_machine;
1482
1483 static MachineClass *find_machine(const char *name)
1484 {
1485 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1486 MachineClass *mc = NULL;
1487
1488 for (el = machines; el; el = el->next) {
1489 MachineClass *temp = el->data;
1490
1491 if (!strcmp(temp->name, name)) {
1492 mc = temp;
1493 break;
1494 }
1495 if (temp->alias &&
1496 !strcmp(temp->alias, name)) {
1497 mc = temp;
1498 break;
1499 }
1500 }
1501
1502 g_slist_free(machines);
1503 return mc;
1504 }
1505
1506 MachineClass *find_default_machine(void)
1507 {
1508 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1509 MachineClass *mc = NULL;
1510
1511 for (el = machines; el; el = el->next) {
1512 MachineClass *temp = el->data;
1513
1514 if (temp->is_default) {
1515 mc = temp;
1516 break;
1517 }
1518 }
1519
1520 g_slist_free(machines);
1521 return mc;
1522 }
1523
1524 MachineInfoList *qmp_query_machines(Error **errp)
1525 {
1526 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1527 MachineInfoList *mach_list = NULL;
1528
1529 for (el = machines; el; el = el->next) {
1530 MachineClass *mc = el->data;
1531 MachineInfoList *entry;
1532 MachineInfo *info;
1533
1534 info = g_malloc0(sizeof(*info));
1535 if (mc->is_default) {
1536 info->has_is_default = true;
1537 info->is_default = true;
1538 }
1539
1540 if (mc->alias) {
1541 info->has_alias = true;
1542 info->alias = g_strdup(mc->alias);
1543 }
1544
1545 info->name = g_strdup(mc->name);
1546 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1547 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1548
1549 entry = g_malloc0(sizeof(*entry));
1550 entry->value = info;
1551 entry->next = mach_list;
1552 mach_list = entry;
1553 }
1554
1555 g_slist_free(machines);
1556 return mach_list;
1557 }
1558
1559 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1560 {
1561 ObjectProperty *prop;
1562 ObjectPropertyIterator iter;
1563
1564 if (!qemu_opt_has_help_opt(opts)) {
1565 return 0;
1566 }
1567
1568 object_property_iter_init(&iter, OBJECT(machine));
1569 while ((prop = object_property_iter_next(&iter))) {
1570 if (!prop->set) {
1571 continue;
1572 }
1573
1574 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1575 prop->name, prop->type);
1576 if (prop->description) {
1577 error_printf(" (%s)\n", prop->description);
1578 } else {
1579 error_printf("\n");
1580 }
1581 }
1582
1583 return 1;
1584 }
1585
1586 /***********************************************************/
1587 /* main execution loop */
1588
1589 struct vm_change_state_entry {
1590 VMChangeStateHandler *cb;
1591 void *opaque;
1592 QLIST_ENTRY (vm_change_state_entry) entries;
1593 };
1594
1595 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1596
1597 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1598 void *opaque)
1599 {
1600 VMChangeStateEntry *e;
1601
1602 e = g_malloc0(sizeof (*e));
1603
1604 e->cb = cb;
1605 e->opaque = opaque;
1606 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1607 return e;
1608 }
1609
1610 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1611 {
1612 QLIST_REMOVE (e, entries);
1613 g_free (e);
1614 }
1615
1616 void vm_state_notify(int running, RunState state)
1617 {
1618 VMChangeStateEntry *e, *next;
1619
1620 trace_vm_state_notify(running, state);
1621
1622 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1623 e->cb(e->opaque, running, state);
1624 }
1625 }
1626
1627 /* reset/shutdown handler */
1628
1629 typedef struct QEMUResetEntry {
1630 QTAILQ_ENTRY(QEMUResetEntry) entry;
1631 QEMUResetHandler *func;
1632 void *opaque;
1633 } QEMUResetEntry;
1634
1635 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1636 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1637 static int reset_requested;
1638 static int shutdown_requested, shutdown_signal = -1;
1639 static pid_t shutdown_pid;
1640 static int powerdown_requested;
1641 static int debug_requested;
1642 static int suspend_requested;
1643 static WakeupReason wakeup_reason;
1644 static NotifierList powerdown_notifiers =
1645 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1646 static NotifierList suspend_notifiers =
1647 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1648 static NotifierList wakeup_notifiers =
1649 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1650 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1651
1652 int qemu_shutdown_requested_get(void)
1653 {
1654 return shutdown_requested;
1655 }
1656
1657 int qemu_reset_requested_get(void)
1658 {
1659 return reset_requested;
1660 }
1661
1662 static int qemu_shutdown_requested(void)
1663 {
1664 return atomic_xchg(&shutdown_requested, 0);
1665 }
1666
1667 static void qemu_kill_report(void)
1668 {
1669 if (!qtest_driver() && shutdown_signal != -1) {
1670 if (shutdown_pid == 0) {
1671 /* This happens for eg ^C at the terminal, so it's worth
1672 * avoiding printing an odd message in that case.
1673 */
1674 error_report("terminating on signal %d", shutdown_signal);
1675 } else {
1676 error_report("terminating on signal %d from pid " FMT_pid,
1677 shutdown_signal, shutdown_pid);
1678 }
1679 shutdown_signal = -1;
1680 }
1681 }
1682
1683 static int qemu_reset_requested(void)
1684 {
1685 int r = reset_requested;
1686 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1687 reset_requested = 0;
1688 return r;
1689 }
1690 return false;
1691 }
1692
1693 static int qemu_suspend_requested(void)
1694 {
1695 int r = suspend_requested;
1696 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1697 suspend_requested = 0;
1698 return r;
1699 }
1700 return false;
1701 }
1702
1703 static WakeupReason qemu_wakeup_requested(void)
1704 {
1705 return wakeup_reason;
1706 }
1707
1708 static int qemu_powerdown_requested(void)
1709 {
1710 int r = powerdown_requested;
1711 powerdown_requested = 0;
1712 return r;
1713 }
1714
1715 static int qemu_debug_requested(void)
1716 {
1717 int r = debug_requested;
1718 debug_requested = 0;
1719 return r;
1720 }
1721
1722 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1723 {
1724 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1725
1726 re->func = func;
1727 re->opaque = opaque;
1728 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1729 }
1730
1731 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1732 {
1733 QEMUResetEntry *re;
1734
1735 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1736 if (re->func == func && re->opaque == opaque) {
1737 QTAILQ_REMOVE(&reset_handlers, re, entry);
1738 g_free(re);
1739 return;
1740 }
1741 }
1742 }
1743
1744 void qemu_devices_reset(void)
1745 {
1746 QEMUResetEntry *re, *nre;
1747
1748 /* reset all devices */
1749 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1750 re->func(re->opaque);
1751 }
1752 }
1753
1754 void qemu_system_reset(bool report)
1755 {
1756 MachineClass *mc;
1757
1758 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1759
1760 cpu_synchronize_all_states();
1761
1762 if (mc && mc->reset) {
1763 mc->reset();
1764 } else {
1765 qemu_devices_reset();
1766 }
1767 if (report) {
1768 qapi_event_send_reset(&error_abort);
1769 }
1770 cpu_synchronize_all_post_reset();
1771 }
1772
1773 void qemu_system_guest_panicked(void)
1774 {
1775 if (current_cpu) {
1776 current_cpu->crash_occurred = true;
1777 }
1778 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1779 vm_stop(RUN_STATE_GUEST_PANICKED);
1780 }
1781
1782 void qemu_system_reset_request(void)
1783 {
1784 if (no_reboot) {
1785 shutdown_requested = 1;
1786 } else {
1787 reset_requested = 1;
1788 }
1789 cpu_stop_current();
1790 qemu_notify_event();
1791 }
1792
1793 static void qemu_system_suspend(void)
1794 {
1795 pause_all_vcpus();
1796 notifier_list_notify(&suspend_notifiers, NULL);
1797 runstate_set(RUN_STATE_SUSPENDED);
1798 qapi_event_send_suspend(&error_abort);
1799 }
1800
1801 void qemu_system_suspend_request(void)
1802 {
1803 if (runstate_check(RUN_STATE_SUSPENDED)) {
1804 return;
1805 }
1806 suspend_requested = 1;
1807 cpu_stop_current();
1808 qemu_notify_event();
1809 }
1810
1811 void qemu_register_suspend_notifier(Notifier *notifier)
1812 {
1813 notifier_list_add(&suspend_notifiers, notifier);
1814 }
1815
1816 void qemu_system_wakeup_request(WakeupReason reason)
1817 {
1818 trace_system_wakeup_request(reason);
1819
1820 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1821 return;
1822 }
1823 if (!(wakeup_reason_mask & (1 << reason))) {
1824 return;
1825 }
1826 runstate_set(RUN_STATE_RUNNING);
1827 wakeup_reason = reason;
1828 qemu_notify_event();
1829 }
1830
1831 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1832 {
1833 if (enabled) {
1834 wakeup_reason_mask |= (1 << reason);
1835 } else {
1836 wakeup_reason_mask &= ~(1 << reason);
1837 }
1838 }
1839
1840 void qemu_register_wakeup_notifier(Notifier *notifier)
1841 {
1842 notifier_list_add(&wakeup_notifiers, notifier);
1843 }
1844
1845 void qemu_system_killed(int signal, pid_t pid)
1846 {
1847 shutdown_signal = signal;
1848 shutdown_pid = pid;
1849 no_shutdown = 0;
1850
1851 /* Cannot call qemu_system_shutdown_request directly because
1852 * we are in a signal handler.
1853 */
1854 shutdown_requested = 1;
1855 qemu_notify_event();
1856 }
1857
1858 void qemu_system_shutdown_request(void)
1859 {
1860 trace_qemu_system_shutdown_request();
1861 replay_shutdown_request();
1862 shutdown_requested = 1;
1863 qemu_notify_event();
1864 }
1865
1866 static void qemu_system_powerdown(void)
1867 {
1868 qapi_event_send_powerdown(&error_abort);
1869 notifier_list_notify(&powerdown_notifiers, NULL);
1870 }
1871
1872 void qemu_system_powerdown_request(void)
1873 {
1874 trace_qemu_system_powerdown_request();
1875 powerdown_requested = 1;
1876 qemu_notify_event();
1877 }
1878
1879 void qemu_register_powerdown_notifier(Notifier *notifier)
1880 {
1881 notifier_list_add(&powerdown_notifiers, notifier);
1882 }
1883
1884 void qemu_system_debug_request(void)
1885 {
1886 debug_requested = 1;
1887 qemu_notify_event();
1888 }
1889
1890 static bool main_loop_should_exit(void)
1891 {
1892 RunState r;
1893 if (qemu_debug_requested()) {
1894 vm_stop(RUN_STATE_DEBUG);
1895 }
1896 if (qemu_suspend_requested()) {
1897 qemu_system_suspend();
1898 }
1899 if (qemu_shutdown_requested()) {
1900 qemu_kill_report();
1901 qapi_event_send_shutdown(&error_abort);
1902 if (no_shutdown) {
1903 vm_stop(RUN_STATE_SHUTDOWN);
1904 } else {
1905 return true;
1906 }
1907 }
1908 if (qemu_reset_requested()) {
1909 pause_all_vcpus();
1910 qemu_system_reset(VMRESET_REPORT);
1911 resume_all_vcpus();
1912 if (!runstate_check(RUN_STATE_RUNNING) &&
1913 !runstate_check(RUN_STATE_INMIGRATE)) {
1914 runstate_set(RUN_STATE_PRELAUNCH);
1915 }
1916 }
1917 if (qemu_wakeup_requested()) {
1918 pause_all_vcpus();
1919 qemu_system_reset(VMRESET_SILENT);
1920 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1921 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1922 resume_all_vcpus();
1923 qapi_event_send_wakeup(&error_abort);
1924 }
1925 if (qemu_powerdown_requested()) {
1926 qemu_system_powerdown();
1927 }
1928 if (qemu_vmstop_requested(&r)) {
1929 vm_stop(r);
1930 }
1931 return false;
1932 }
1933
1934 static void main_loop(void)
1935 {
1936 bool nonblocking;
1937 int last_io = 0;
1938 #ifdef CONFIG_PROFILER
1939 int64_t ti;
1940 #endif
1941 do {
1942 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1943 #ifdef CONFIG_PROFILER
1944 ti = profile_getclock();
1945 #endif
1946 last_io = main_loop_wait(nonblocking);
1947 #ifdef CONFIG_PROFILER
1948 dev_time += profile_getclock() - ti;
1949 #endif
1950 } while (!main_loop_should_exit());
1951 }
1952
1953 static void version(void)
1954 {
1955 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", "
1956 QEMU_COPYRIGHT "\n");
1957 }
1958
1959 static void help(int exitcode)
1960 {
1961 version();
1962 printf("usage: %s [options] [disk_image]\n\n"
1963 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1964 error_get_progname());
1965
1966 #define QEMU_OPTIONS_GENERATE_HELP
1967 #include "qemu-options-wrapper.h"
1968
1969 printf("\nDuring emulation, the following keys are useful:\n"
1970 "ctrl-alt-f toggle full screen\n"
1971 "ctrl-alt-n switch to virtual console 'n'\n"
1972 "ctrl-alt toggle mouse and keyboard grab\n"
1973 "\n"
1974 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1975
1976 exit(exitcode);
1977 }
1978
1979 #define HAS_ARG 0x0001
1980
1981 typedef struct QEMUOption {
1982 const char *name;
1983 int flags;
1984 int index;
1985 uint32_t arch_mask;
1986 } QEMUOption;
1987
1988 static const QEMUOption qemu_options[] = {
1989 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1990 #define QEMU_OPTIONS_GENERATE_OPTIONS
1991 #include "qemu-options-wrapper.h"
1992 { NULL },
1993 };
1994
1995 typedef struct VGAInterfaceInfo {
1996 const char *opt_name; /* option name */
1997 const char *name; /* human-readable name */
1998 /* Class names indicating that support is available.
1999 * If no class is specified, the interface is always available */
2000 const char *class_names[2];
2001 } VGAInterfaceInfo;
2002
2003 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2004 [VGA_NONE] = {
2005 .opt_name = "none",
2006 },
2007 [VGA_STD] = {
2008 .opt_name = "std",
2009 .name = "standard VGA",
2010 .class_names = { "VGA", "isa-vga" },
2011 },
2012 [VGA_CIRRUS] = {
2013 .opt_name = "cirrus",
2014 .name = "Cirrus VGA",
2015 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2016 },
2017 [VGA_VMWARE] = {
2018 .opt_name = "vmware",
2019 .name = "VMWare SVGA",
2020 .class_names = { "vmware-svga" },
2021 },
2022 [VGA_VIRTIO] = {
2023 .opt_name = "virtio",
2024 .name = "Virtio VGA",
2025 .class_names = { "virtio-vga" },
2026 },
2027 [VGA_QXL] = {
2028 .opt_name = "qxl",
2029 .name = "QXL VGA",
2030 .class_names = { "qxl-vga" },
2031 },
2032 [VGA_TCX] = {
2033 .opt_name = "tcx",
2034 .name = "TCX framebuffer",
2035 .class_names = { "SUNW,tcx" },
2036 },
2037 [VGA_CG3] = {
2038 .opt_name = "cg3",
2039 .name = "CG3 framebuffer",
2040 .class_names = { "cgthree" },
2041 },
2042 [VGA_XENFB] = {
2043 .opt_name = "xenfb",
2044 },
2045 };
2046
2047 static bool vga_interface_available(VGAInterfaceType t)
2048 {
2049 VGAInterfaceInfo *ti = &vga_interfaces[t];
2050
2051 assert(t < VGA_TYPE_MAX);
2052 return !ti->class_names[0] ||
2053 object_class_by_name(ti->class_names[0]) ||
2054 object_class_by_name(ti->class_names[1]);
2055 }
2056
2057 static void select_vgahw(const char *p)
2058 {
2059 const char *opts;
2060 int t;
2061
2062 assert(vga_interface_type == VGA_NONE);
2063 for (t = 0; t < VGA_TYPE_MAX; t++) {
2064 VGAInterfaceInfo *ti = &vga_interfaces[t];
2065 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2066 if (!vga_interface_available(t)) {
2067 error_report("%s not available", ti->name);
2068 exit(1);
2069 }
2070 vga_interface_type = t;
2071 break;
2072 }
2073 }
2074 if (t == VGA_TYPE_MAX) {
2075 invalid_vga:
2076 error_report("unknown vga type: %s", p);
2077 exit(1);
2078 }
2079 while (*opts) {
2080 const char *nextopt;
2081
2082 if (strstart(opts, ",retrace=", &nextopt)) {
2083 opts = nextopt;
2084 if (strstart(opts, "dumb", &nextopt))
2085 vga_retrace_method = VGA_RETRACE_DUMB;
2086 else if (strstart(opts, "precise", &nextopt))
2087 vga_retrace_method = VGA_RETRACE_PRECISE;
2088 else goto invalid_vga;
2089 } else goto invalid_vga;
2090 opts = nextopt;
2091 }
2092 }
2093
2094 typedef enum DisplayType {
2095 DT_DEFAULT,
2096 DT_CURSES,
2097 DT_SDL,
2098 DT_COCOA,
2099 DT_GTK,
2100 DT_NONE,
2101 } DisplayType;
2102
2103 static DisplayType select_display(const char *p)
2104 {
2105 const char *opts;
2106 DisplayType display = DT_DEFAULT;
2107
2108 if (strstart(p, "sdl", &opts)) {
2109 #ifdef CONFIG_SDL
2110 display = DT_SDL;
2111 while (*opts) {
2112 const char *nextopt;
2113
2114 if (strstart(opts, ",frame=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 no_frame = 0;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 no_frame = 1;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 alt_grab = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 alt_grab = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 ctrl_grab = 1;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 ctrl_grab = 0;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else if (strstart(opts, ",window_close=", &nextopt)) {
2142 opts = nextopt;
2143 if (strstart(opts, "on", &nextopt)) {
2144 no_quit = 0;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 no_quit = 1;
2147 } else {
2148 goto invalid_sdl_args;
2149 }
2150 } else if (strstart(opts, ",gl=", &nextopt)) {
2151 opts = nextopt;
2152 if (strstart(opts, "on", &nextopt)) {
2153 request_opengl = 1;
2154 } else if (strstart(opts, "off", &nextopt)) {
2155 request_opengl = 0;
2156 } else {
2157 goto invalid_sdl_args;
2158 }
2159 } else {
2160 invalid_sdl_args:
2161 error_report("invalid SDL option string");
2162 exit(1);
2163 }
2164 opts = nextopt;
2165 }
2166 #else
2167 error_report("SDL support is disabled");
2168 exit(1);
2169 #endif
2170 } else if (strstart(p, "vnc", &opts)) {
2171 if (*opts == '=') {
2172 vnc_parse(opts + 1, &error_fatal);
2173 } else {
2174 error_report("VNC requires a display argument vnc=<display>");
2175 exit(1);
2176 }
2177 } else if (strstart(p, "curses", &opts)) {
2178 #ifdef CONFIG_CURSES
2179 display = DT_CURSES;
2180 #else
2181 error_report("curses support is disabled");
2182 exit(1);
2183 #endif
2184 } else if (strstart(p, "gtk", &opts)) {
2185 #ifdef CONFIG_GTK
2186 display = DT_GTK;
2187 while (*opts) {
2188 const char *nextopt;
2189
2190 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2191 opts = nextopt;
2192 if (strstart(opts, "on", &nextopt)) {
2193 grab_on_hover = true;
2194 } else if (strstart(opts, "off", &nextopt)) {
2195 grab_on_hover = false;
2196 } else {
2197 goto invalid_gtk_args;
2198 }
2199 } else if (strstart(opts, ",gl=", &nextopt)) {
2200 opts = nextopt;
2201 if (strstart(opts, "on", &nextopt)) {
2202 request_opengl = 1;
2203 } else if (strstart(opts, "off", &nextopt)) {
2204 request_opengl = 0;
2205 } else {
2206 goto invalid_gtk_args;
2207 }
2208 } else {
2209 invalid_gtk_args:
2210 error_report("invalid GTK option string");
2211 exit(1);
2212 }
2213 opts = nextopt;
2214 }
2215 #else
2216 error_report("GTK support is disabled");
2217 exit(1);
2218 #endif
2219 } else if (strstart(p, "none", &opts)) {
2220 display = DT_NONE;
2221 } else {
2222 error_report("unknown display type");
2223 exit(1);
2224 }
2225
2226 return display;
2227 }
2228
2229 static int balloon_parse(const char *arg)
2230 {
2231 QemuOpts *opts;
2232
2233 if (strcmp(arg, "none") == 0) {
2234 return 0;
2235 }
2236
2237 if (!strncmp(arg, "virtio", 6)) {
2238 if (arg[6] == ',') {
2239 /* have params -> parse them */
2240 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2241 false);
2242 if (!opts)
2243 return -1;
2244 } else {
2245 /* create empty opts */
2246 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2247 &error_abort);
2248 }
2249 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2250 return 0;
2251 }
2252
2253 return -1;
2254 }
2255
2256 char *qemu_find_file(int type, const char *name)
2257 {
2258 int i;
2259 const char *subdir;
2260 char *buf;
2261
2262 /* Try the name as a straight path first */
2263 if (access(name, R_OK) == 0) {
2264 trace_load_file(name, name);
2265 return g_strdup(name);
2266 }
2267
2268 switch (type) {
2269 case QEMU_FILE_TYPE_BIOS:
2270 subdir = "";
2271 break;
2272 case QEMU_FILE_TYPE_KEYMAP:
2273 subdir = "keymaps/";
2274 break;
2275 default:
2276 abort();
2277 }
2278
2279 for (i = 0; i < data_dir_idx; i++) {
2280 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2281 if (access(buf, R_OK) == 0) {
2282 trace_load_file(name, buf);
2283 return buf;
2284 }
2285 g_free(buf);
2286 }
2287 return NULL;
2288 }
2289
2290 static inline bool nonempty_str(const char *str)
2291 {
2292 return str && *str;
2293 }
2294
2295 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 gchar *buf;
2298 size_t size;
2299 const char *name, *file, *str;
2300 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2301
2302 if (fw_cfg == NULL) {
2303 error_report("fw_cfg device not available");
2304 return -1;
2305 }
2306 name = qemu_opt_get(opts, "name");
2307 file = qemu_opt_get(opts, "file");
2308 str = qemu_opt_get(opts, "string");
2309
2310 /* we need name and either a file or the content string */
2311 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2312 error_report("invalid argument(s)");
2313 return -1;
2314 }
2315 if (nonempty_str(file) && nonempty_str(str)) {
2316 error_report("file and string are mutually exclusive");
2317 return -1;
2318 }
2319 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2320 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2321 return -1;
2322 }
2323 if (strncmp(name, "opt/", 4) != 0) {
2324 error_report("warning: externally provided fw_cfg item names "
2325 "should be prefixed with \"opt/\"");
2326 }
2327 if (nonempty_str(str)) {
2328 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2329 buf = g_memdup(str, size);
2330 } else {
2331 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2332 error_report("can't load %s", file);
2333 return -1;
2334 }
2335 }
2336 /* For legacy, keep user files in a specific global order. */
2337 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2338 fw_cfg_add_file(fw_cfg, name, buf, size);
2339 fw_cfg_reset_order_override(fw_cfg);
2340 return 0;
2341 }
2342
2343 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2344 {
2345 return qdev_device_help(opts);
2346 }
2347
2348 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2349 {
2350 Error *err = NULL;
2351 DeviceState *dev;
2352
2353 dev = qdev_device_add(opts, &err);
2354 if (!dev) {
2355 error_report_err(err);
2356 return -1;
2357 }
2358 object_unref(OBJECT(dev));
2359 return 0;
2360 }
2361
2362 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2363 {
2364 Error *local_err = NULL;
2365
2366 qemu_chr_new_from_opts(opts, NULL, &local_err);
2367 if (local_err) {
2368 error_report_err(local_err);
2369 return -1;
2370 }
2371 return 0;
2372 }
2373
2374 #ifdef CONFIG_VIRTFS
2375 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2376 {
2377 return qemu_fsdev_add(opts);
2378 }
2379 #endif
2380
2381 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2382 {
2383 CharDriverState *chr;
2384 const char *chardev;
2385 const char *mode;
2386 int flags;
2387
2388 mode = qemu_opt_get(opts, "mode");
2389 if (mode == NULL) {
2390 mode = "readline";
2391 }
2392 if (strcmp(mode, "readline") == 0) {
2393 flags = MONITOR_USE_READLINE;
2394 } else if (strcmp(mode, "control") == 0) {
2395 flags = MONITOR_USE_CONTROL;
2396 } else {
2397 error_report("unknown monitor mode \"%s\"", mode);
2398 exit(1);
2399 }
2400
2401 if (qemu_opt_get_bool(opts, "pretty", 0))
2402 flags |= MONITOR_USE_PRETTY;
2403
2404 if (qemu_opt_get_bool(opts, "default", 0))
2405 flags |= MONITOR_IS_DEFAULT;
2406
2407 chardev = qemu_opt_get(opts, "chardev");
2408 chr = qemu_chr_find(chardev);
2409 if (chr == NULL) {
2410 error_report("chardev \"%s\" not found", chardev);
2411 exit(1);
2412 }
2413
2414 qemu_chr_fe_claim_no_fail(chr);
2415 monitor_init(chr, flags);
2416 return 0;
2417 }
2418
2419 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2420 {
2421 static int monitor_device_index = 0;
2422 QemuOpts *opts;
2423 const char *p;
2424 char label[32];
2425 int def = 0;
2426
2427 if (strstart(optarg, "chardev:", &p)) {
2428 snprintf(label, sizeof(label), "%s", p);
2429 } else {
2430 snprintf(label, sizeof(label), "compat_monitor%d",
2431 monitor_device_index);
2432 if (monitor_device_index == 0) {
2433 def = 1;
2434 }
2435 opts = qemu_chr_parse_compat(label, optarg);
2436 if (!opts) {
2437 error_report("parse error: %s", optarg);
2438 exit(1);
2439 }
2440 }
2441
2442 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2443 qemu_opt_set(opts, "mode", mode, &error_abort);
2444 qemu_opt_set(opts, "chardev", label, &error_abort);
2445 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2446 if (def)
2447 qemu_opt_set(opts, "default", "on", &error_abort);
2448 monitor_device_index++;
2449 }
2450
2451 struct device_config {
2452 enum {
2453 DEV_USB, /* -usbdevice */
2454 DEV_BT, /* -bt */
2455 DEV_SERIAL, /* -serial */
2456 DEV_PARALLEL, /* -parallel */
2457 DEV_VIRTCON, /* -virtioconsole */
2458 DEV_DEBUGCON, /* -debugcon */
2459 DEV_GDB, /* -gdb, -s */
2460 DEV_SCLP, /* s390 sclp */
2461 } type;
2462 const char *cmdline;
2463 Location loc;
2464 QTAILQ_ENTRY(device_config) next;
2465 };
2466
2467 static QTAILQ_HEAD(, device_config) device_configs =
2468 QTAILQ_HEAD_INITIALIZER(device_configs);
2469
2470 static void add_device_config(int type, const char *cmdline)
2471 {
2472 struct device_config *conf;
2473
2474 conf = g_malloc0(sizeof(*conf));
2475 conf->type = type;
2476 conf->cmdline = cmdline;
2477 loc_save(&conf->loc);
2478 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2479 }
2480
2481 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2482 {
2483 struct device_config *conf;
2484 int rc;
2485
2486 QTAILQ_FOREACH(conf, &device_configs, next) {
2487 if (conf->type != type)
2488 continue;
2489 loc_push_restore(&conf->loc);
2490 rc = func(conf->cmdline);
2491 loc_pop(&conf->loc);
2492 if (rc) {
2493 return rc;
2494 }
2495 }
2496 return 0;
2497 }
2498
2499 static int serial_parse(const char *devname)
2500 {
2501 static int index = 0;
2502 char label[32];
2503
2504 if (strcmp(devname, "none") == 0)
2505 return 0;
2506 if (index == MAX_SERIAL_PORTS) {
2507 error_report("too many serial ports");
2508 exit(1);
2509 }
2510 snprintf(label, sizeof(label), "serial%d", index);
2511 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2512 if (!serial_hds[index]) {
2513 error_report("could not connect serial device"
2514 " to character backend '%s'", devname);
2515 return -1;
2516 }
2517 index++;
2518 return 0;
2519 }
2520
2521 static int parallel_parse(const char *devname)
2522 {
2523 static int index = 0;
2524 char label[32];
2525
2526 if (strcmp(devname, "none") == 0)
2527 return 0;
2528 if (index == MAX_PARALLEL_PORTS) {
2529 error_report("too many parallel ports");
2530 exit(1);
2531 }
2532 snprintf(label, sizeof(label), "parallel%d", index);
2533 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2534 if (!parallel_hds[index]) {
2535 error_report("could not connect parallel device"
2536 " to character backend '%s'", devname);
2537 return -1;
2538 }
2539 index++;
2540 return 0;
2541 }
2542
2543 static int virtcon_parse(const char *devname)
2544 {
2545 QemuOptsList *device = qemu_find_opts("device");
2546 static int index = 0;
2547 char label[32];
2548 QemuOpts *bus_opts, *dev_opts;
2549
2550 if (strcmp(devname, "none") == 0)
2551 return 0;
2552 if (index == MAX_VIRTIO_CONSOLES) {
2553 error_report("too many virtio consoles");
2554 exit(1);
2555 }
2556
2557 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2558 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2559
2560 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2561 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2562
2563 snprintf(label, sizeof(label), "virtcon%d", index);
2564 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2565 if (!virtcon_hds[index]) {
2566 error_report("could not connect virtio console"
2567 " to character backend '%s'", devname);
2568 return -1;
2569 }
2570 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2571
2572 index++;
2573 return 0;
2574 }
2575
2576 static int sclp_parse(const char *devname)
2577 {
2578 QemuOptsList *device = qemu_find_opts("device");
2579 static int index = 0;
2580 char label[32];
2581 QemuOpts *dev_opts;
2582
2583 if (strcmp(devname, "none") == 0) {
2584 return 0;
2585 }
2586 if (index == MAX_SCLP_CONSOLES) {
2587 error_report("too many sclp consoles");
2588 exit(1);
2589 }
2590
2591 assert(arch_type == QEMU_ARCH_S390X);
2592
2593 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2594 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2595
2596 snprintf(label, sizeof(label), "sclpcon%d", index);
2597 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2598 if (!sclp_hds[index]) {
2599 error_report("could not connect sclp console"
2600 " to character backend '%s'", devname);
2601 return -1;
2602 }
2603 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2604
2605 index++;
2606 return 0;
2607 }
2608
2609 static int debugcon_parse(const char *devname)
2610 {
2611 QemuOpts *opts;
2612
2613 if (!qemu_chr_new("debugcon", devname, NULL)) {
2614 exit(1);
2615 }
2616 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2617 if (!opts) {
2618 error_report("already have a debugcon device");
2619 exit(1);
2620 }
2621 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2622 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2623 return 0;
2624 }
2625
2626 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2627 {
2628 const MachineClass *mc1 = a, *mc2 = b;
2629 int res;
2630
2631 if (mc1->family == NULL) {
2632 if (mc2->family == NULL) {
2633 /* Compare standalone machine types against each other; they sort
2634 * in increasing order.
2635 */
2636 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2637 object_class_get_name(OBJECT_CLASS(mc2)));
2638 }
2639
2640 /* Standalone machine types sort after families. */
2641 return 1;
2642 }
2643
2644 if (mc2->family == NULL) {
2645 /* Families sort before standalone machine types. */
2646 return -1;
2647 }
2648
2649 /* Families sort between each other alphabetically increasingly. */
2650 res = strcmp(mc1->family, mc2->family);
2651 if (res != 0) {
2652 return res;
2653 }
2654
2655 /* Within the same family, machine types sort in decreasing order. */
2656 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2657 object_class_get_name(OBJECT_CLASS(mc1)));
2658 }
2659
2660 static MachineClass *machine_parse(const char *name)
2661 {
2662 MachineClass *mc = NULL;
2663 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2664
2665 if (name) {
2666 mc = find_machine(name);
2667 }
2668 if (mc) {
2669 g_slist_free(machines);
2670 return mc;
2671 }
2672 if (name && !is_help_option(name)) {
2673 error_report("unsupported machine type");
2674 error_printf("Use -machine help to list supported machines\n");
2675 } else {
2676 printf("Supported machines are:\n");
2677 machines = g_slist_sort(machines, machine_class_cmp);
2678 for (el = machines; el; el = el->next) {
2679 MachineClass *mc = el->data;
2680 if (mc->alias) {
2681 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2682 }
2683 printf("%-20s %s%s\n", mc->name, mc->desc,
2684 mc->is_default ? " (default)" : "");
2685 }
2686 }
2687
2688 g_slist_free(machines);
2689 exit(!name || !is_help_option(name));
2690 }
2691
2692 void qemu_add_exit_notifier(Notifier *notify)
2693 {
2694 notifier_list_add(&exit_notifiers, notify);
2695 }
2696
2697 void qemu_remove_exit_notifier(Notifier *notify)
2698 {
2699 notifier_remove(notify);
2700 }
2701
2702 static void qemu_run_exit_notifiers(void)
2703 {
2704 notifier_list_notify(&exit_notifiers, NULL);
2705 }
2706
2707 static bool machine_init_done;
2708
2709 void qemu_add_machine_init_done_notifier(Notifier *notify)
2710 {
2711 notifier_list_add(&machine_init_done_notifiers, notify);
2712 if (machine_init_done) {
2713 notify->notify(notify, NULL);
2714 }
2715 }
2716
2717 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2718 {
2719 notifier_remove(notify);
2720 }
2721
2722 static void qemu_run_machine_init_done_notifiers(void)
2723 {
2724 notifier_list_notify(&machine_init_done_notifiers, NULL);
2725 machine_init_done = true;
2726 }
2727
2728 static const QEMUOption *lookup_opt(int argc, char **argv,
2729 const char **poptarg, int *poptind)
2730 {
2731 const QEMUOption *popt;
2732 int optind = *poptind;
2733 char *r = argv[optind];
2734 const char *optarg;
2735
2736 loc_set_cmdline(argv, optind, 1);
2737 optind++;
2738 /* Treat --foo the same as -foo. */
2739 if (r[1] == '-')
2740 r++;
2741 popt = qemu_options;
2742 for(;;) {
2743 if (!popt->name) {
2744 error_report("invalid option");
2745 exit(1);
2746 }
2747 if (!strcmp(popt->name, r + 1))
2748 break;
2749 popt++;
2750 }
2751 if (popt->flags & HAS_ARG) {
2752 if (optind >= argc) {
2753 error_report("requires an argument");
2754 exit(1);
2755 }
2756 optarg = argv[optind++];
2757 loc_set_cmdline(argv, optind - 2, 2);
2758 } else {
2759 optarg = NULL;
2760 }
2761
2762 *poptarg = optarg;
2763 *poptind = optind;
2764
2765 return popt;
2766 }
2767
2768 static MachineClass *select_machine(void)
2769 {
2770 MachineClass *machine_class = find_default_machine();
2771 const char *optarg;
2772 QemuOpts *opts;
2773 Location loc;
2774
2775 loc_push_none(&loc);
2776
2777 opts = qemu_get_machine_opts();
2778 qemu_opts_loc_restore(opts);
2779
2780 optarg = qemu_opt_get(opts, "type");
2781 if (optarg) {
2782 machine_class = machine_parse(optarg);
2783 }
2784
2785 if (!machine_class) {
2786 error_report("No machine specified, and there is no default");
2787 error_printf("Use -machine help to list supported machines\n");
2788 exit(1);
2789 }
2790
2791 loc_pop(&loc);
2792 return machine_class;
2793 }
2794
2795 static int machine_set_property(void *opaque,
2796 const char *name, const char *value,
2797 Error **errp)
2798 {
2799 Object *obj = OBJECT(opaque);
2800 Error *local_err = NULL;
2801 char *c, *qom_name;
2802
2803 if (strcmp(name, "type") == 0) {
2804 return 0;
2805 }
2806
2807 qom_name = g_strdup(name);
2808 c = qom_name;
2809 while (*c++) {
2810 if (*c == '_') {
2811 *c = '-';
2812 }
2813 }
2814
2815 object_property_parse(obj, value, qom_name, &local_err);
2816 g_free(qom_name);
2817
2818 if (local_err) {
2819 error_report_err(local_err);
2820 return -1;
2821 }
2822
2823 return 0;
2824 }
2825
2826
2827 /*
2828 * Initial object creation happens before all other
2829 * QEMU data types are created. The majority of objects
2830 * can be created at this point. The rng-egd object
2831 * cannot be created here, as it depends on the chardev
2832 * already existing.
2833 */
2834 static bool object_create_initial(const char *type)
2835 {
2836 if (g_str_equal(type, "rng-egd")) {
2837 return false;
2838 }
2839
2840 /*
2841 * return false for concrete netfilters since
2842 * they depend on netdevs already existing
2843 */
2844 if (g_str_equal(type, "filter-buffer") ||
2845 g_str_equal(type, "filter-dump") ||
2846 g_str_equal(type, "filter-mirror") ||
2847 g_str_equal(type, "filter-redirector")) {
2848 return false;
2849 }
2850
2851 /* Memory allocation by backends needs to be done
2852 * after configure_accelerator() (due to the tcg_enabled()
2853 * checks at memory_region_init_*()).
2854 *
2855 * Also, allocation of large amounts of memory may delay
2856 * chardev initialization for too long, and trigger timeouts
2857 * on software that waits for a monitor socket to be created
2858 * (e.g. libvirt).
2859 */
2860 if (g_str_has_prefix(type, "memory-backend-")) {
2861 return false;
2862 }
2863
2864 return true;
2865 }
2866
2867
2868 /*
2869 * The remainder of object creation happens after the
2870 * creation of chardev, fsdev, net clients and device data types.
2871 */
2872 static bool object_create_delayed(const char *type)
2873 {
2874 return !object_create_initial(type);
2875 }
2876
2877
2878 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2879 MachineClass *mc)
2880 {
2881 uint64_t sz;
2882 const char *mem_str;
2883 const char *maxmem_str, *slots_str;
2884 const ram_addr_t default_ram_size = mc->default_ram_size;
2885 QemuOpts *opts = qemu_find_opts_singleton("memory");
2886 Location loc;
2887
2888 loc_push_none(&loc);
2889 qemu_opts_loc_restore(opts);
2890
2891 sz = 0;
2892 mem_str = qemu_opt_get(opts, "size");
2893 if (mem_str) {
2894 if (!*mem_str) {
2895 error_report("missing 'size' option value");
2896 exit(EXIT_FAILURE);
2897 }
2898
2899 sz = qemu_opt_get_size(opts, "size", ram_size);
2900
2901 /* Fix up legacy suffix-less format */
2902 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2903 uint64_t overflow_check = sz;
2904
2905 sz <<= 20;
2906 if ((sz >> 20) != overflow_check) {
2907 error_report("too large 'size' option value");
2908 exit(EXIT_FAILURE);
2909 }
2910 }
2911 }
2912
2913 /* backward compatibility behaviour for case "-m 0" */
2914 if (sz == 0) {
2915 sz = default_ram_size;
2916 }
2917
2918 sz = QEMU_ALIGN_UP(sz, 8192);
2919 ram_size = sz;
2920 if (ram_size != sz) {
2921 error_report("ram size too large");
2922 exit(EXIT_FAILURE);
2923 }
2924
2925 /* store value for the future use */
2926 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2927 *maxram_size = ram_size;
2928
2929 maxmem_str = qemu_opt_get(opts, "maxmem");
2930 slots_str = qemu_opt_get(opts, "slots");
2931 if (maxmem_str && slots_str) {
2932 uint64_t slots;
2933
2934 sz = qemu_opt_get_size(opts, "maxmem", 0);
2935 slots = qemu_opt_get_number(opts, "slots", 0);
2936 if (sz < ram_size) {
2937 error_report("invalid value of -m option maxmem: "
2938 "maximum memory size (0x%" PRIx64 ") must be at least "
2939 "the initial memory size (0x" RAM_ADDR_FMT ")",
2940 sz, ram_size);
2941 exit(EXIT_FAILURE);
2942 } else if (sz > ram_size) {
2943 if (!slots) {
2944 error_report("invalid value of -m option: maxmem was "
2945 "specified, but no hotplug slots were specified");
2946 exit(EXIT_FAILURE);
2947 }
2948 } else if (slots) {
2949 error_report("invalid value of -m option maxmem: "
2950 "memory slots were specified but maximum memory size "
2951 "(0x%" PRIx64 ") is equal to the initial memory size "
2952 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2953 exit(EXIT_FAILURE);
2954 }
2955
2956 *maxram_size = sz;
2957 *ram_slots = slots;
2958 } else if ((!maxmem_str && slots_str) ||
2959 (maxmem_str && !slots_str)) {
2960 error_report("invalid -m option value: missing "
2961 "'%s' option", slots_str ? "maxmem" : "slots");
2962 exit(EXIT_FAILURE);
2963 }
2964
2965 loc_pop(&loc);
2966 }
2967
2968 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2969 {
2970 GlobalProperty *g;
2971
2972 g = g_malloc0(sizeof(*g));
2973 g->driver = qemu_opt_get(opts, "driver");
2974 g->property = qemu_opt_get(opts, "property");
2975 g->value = qemu_opt_get(opts, "value");
2976 g->user_provided = true;
2977 g->errp = &error_fatal;
2978 qdev_prop_register_global(g);
2979 return 0;
2980 }
2981
2982 int main(int argc, char **argv, char **envp)
2983 {
2984 int i;
2985 int snapshot, linux_boot;
2986 const char *initrd_filename;
2987 const char *kernel_filename, *kernel_cmdline;
2988 const char *boot_order = NULL;
2989 const char *boot_once = NULL;
2990 DisplayState *ds;
2991 int cyls, heads, secs, translation;
2992 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2993 QemuOptsList *olist;
2994 int optind;
2995 const char *optarg;
2996 const char *loadvm = NULL;
2997 MachineClass *machine_class;
2998 const char *cpu_model;
2999 const char *vga_model = NULL;
3000 const char *qtest_chrdev = NULL;
3001 const char *qtest_log = NULL;
3002 const char *pid_file = NULL;
3003 const char *incoming = NULL;
3004 bool defconfig = true;
3005 bool userconfig = true;
3006 bool nographic = false;
3007 DisplayType display_type = DT_DEFAULT;
3008 int display_remote = 0;
3009 const char *log_mask = NULL;
3010 const char *log_file = NULL;
3011 char *trace_file = NULL;
3012 ram_addr_t maxram_size;
3013 uint64_t ram_slots = 0;
3014 FILE *vmstate_dump_file = NULL;
3015 Error *main_loop_err = NULL;
3016 Error *err = NULL;
3017 bool list_data_dirs = false;
3018
3019 qemu_init_cpu_loop();
3020 qemu_mutex_lock_iothread();
3021
3022 atexit(qemu_run_exit_notifiers);
3023 error_set_progname(argv[0]);
3024 qemu_init_exec_dir(argv[0]);
3025
3026 module_call_init(MODULE_INIT_QOM);
3027 module_call_init(MODULE_INIT_QAPI);
3028
3029 qemu_add_opts(&qemu_drive_opts);
3030 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3031 qemu_add_drive_opts(&qemu_common_drive_opts);
3032 qemu_add_drive_opts(&qemu_drive_opts);
3033 qemu_add_opts(&qemu_chardev_opts);
3034 qemu_add_opts(&qemu_device_opts);
3035 qemu_add_opts(&qemu_netdev_opts);
3036 qemu_add_opts(&qemu_net_opts);
3037 qemu_add_opts(&qemu_rtc_opts);
3038 qemu_add_opts(&qemu_global_opts);
3039 qemu_add_opts(&qemu_mon_opts);
3040 qemu_add_opts(&qemu_trace_opts);
3041 qemu_add_opts(&qemu_option_rom_opts);
3042 qemu_add_opts(&qemu_machine_opts);
3043 qemu_add_opts(&qemu_mem_opts);
3044 qemu_add_opts(&qemu_smp_opts);
3045 qemu_add_opts(&qemu_boot_opts);
3046 qemu_add_opts(&qemu_sandbox_opts);
3047 qemu_add_opts(&qemu_add_fd_opts);
3048 qemu_add_opts(&qemu_object_opts);
3049 qemu_add_opts(&qemu_tpmdev_opts);
3050 qemu_add_opts(&qemu_realtime_opts);
3051 qemu_add_opts(&qemu_msg_opts);
3052 qemu_add_opts(&qemu_name_opts);
3053 qemu_add_opts(&qemu_numa_opts);
3054 qemu_add_opts(&qemu_icount_opts);
3055 qemu_add_opts(&qemu_semihosting_config_opts);
3056 qemu_add_opts(&qemu_fw_cfg_opts);
3057 #ifdef CONFIG_LIBISCSI
3058 qemu_add_opts(&qemu_iscsi_opts);
3059 #endif
3060 module_call_init(MODULE_INIT_OPTS);
3061
3062 runstate_init();
3063
3064 if (qcrypto_init(&err) < 0) {
3065 error_reportf_err(err, "cannot initialize crypto: ");
3066 exit(1);
3067 }
3068 rtc_clock = QEMU_CLOCK_HOST;
3069
3070 QLIST_INIT (&vm_change_state_head);
3071 os_setup_early_signal_handling();
3072
3073 cpu_model = NULL;
3074 snapshot = 0;
3075 cyls = heads = secs = 0;
3076 translation = BIOS_ATA_TRANSLATION_AUTO;
3077
3078 nb_nics = 0;
3079
3080 bdrv_init_with_whitelist();
3081
3082 autostart = 1;
3083
3084 /* first pass of option parsing */
3085 optind = 1;
3086 while (optind < argc) {
3087 if (argv[optind][0] != '-') {
3088 /* disk image */
3089 optind++;
3090 } else {
3091 const QEMUOption *popt;
3092
3093 popt = lookup_opt(argc, argv, &optarg, &optind);
3094 switch (popt->index) {
3095 case QEMU_OPTION_nodefconfig:
3096 defconfig = false;
3097 break;
3098 case QEMU_OPTION_nouserconfig:
3099 userconfig = false;
3100 break;
3101 }
3102 }
3103 }
3104
3105 if (defconfig) {
3106 int ret;
3107 ret = qemu_read_default_config_files(userconfig);
3108 if (ret < 0) {
3109 exit(1);
3110 }
3111 }
3112
3113 /* second pass of option parsing */
3114 optind = 1;
3115 for(;;) {
3116 if (optind >= argc)
3117 break;
3118 if (argv[optind][0] != '-') {
3119 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3120 } else {
3121 const QEMUOption *popt;
3122
3123 popt = lookup_opt(argc, argv, &optarg, &optind);
3124 if (!(popt->arch_mask & arch_type)) {
3125 error_report("Option not supported for this target");
3126 exit(1);
3127 }
3128 switch(popt->index) {
3129 case QEMU_OPTION_no_kvm_irqchip: {
3130 olist = qemu_find_opts("machine");
3131 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3132 break;
3133 }
3134 case QEMU_OPTION_cpu:
3135 /* hw initialization will check this */
3136 cpu_model = optarg;
3137 break;
3138 case QEMU_OPTION_hda:
3139 {
3140 char buf[256];
3141 if (cyls == 0)
3142 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3143 else
3144 snprintf(buf, sizeof(buf),
3145 "%s,cyls=%d,heads=%d,secs=%d%s",
3146 HD_OPTS , cyls, heads, secs,
3147 translation == BIOS_ATA_TRANSLATION_LBA ?
3148 ",trans=lba" :
3149 translation == BIOS_ATA_TRANSLATION_NONE ?
3150 ",trans=none" : "");
3151 drive_add(IF_DEFAULT, 0, optarg, buf);
3152 break;
3153 }
3154 case QEMU_OPTION_hdb:
3155 case QEMU_OPTION_hdc:
3156 case QEMU_OPTION_hdd:
3157 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3158 HD_OPTS);
3159 break;
3160 case QEMU_OPTION_drive:
3161 if (drive_def(optarg) == NULL) {
3162 exit(1);
3163 }
3164 break;
3165 case QEMU_OPTION_set:
3166 if (qemu_set_option(optarg) != 0)
3167 exit(1);
3168 break;
3169 case QEMU_OPTION_global:
3170 if (qemu_global_option(optarg) != 0)
3171 exit(1);
3172 break;
3173 case QEMU_OPTION_mtdblock:
3174 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3175 break;
3176 case QEMU_OPTION_sd:
3177 drive_add(IF_SD, -1, optarg, SD_OPTS);
3178 break;
3179 case QEMU_OPTION_pflash:
3180 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3181 break;
3182 case QEMU_OPTION_snapshot:
3183 snapshot = 1;
3184 break;
3185 case QEMU_OPTION_hdachs:
3186 {
3187 const char *p;
3188 p = optarg;
3189 cyls = strtol(p, (char **)&p, 0);
3190 if (cyls < 1 || cyls > 16383)
3191 goto chs_fail;
3192 if (*p != ',')
3193 goto chs_fail;
3194 p++;
3195 heads = strtol(p, (char **)&p, 0);
3196 if (heads < 1 || heads > 16)
3197 goto chs_fail;
3198 if (*p != ',')
3199 goto chs_fail;
3200 p++;
3201 secs = strtol(p, (char **)&p, 0);
3202 if (secs < 1 || secs > 63)
3203 goto chs_fail;
3204 if (*p == ',') {
3205 p++;
3206 if (!strcmp(p, "large")) {
3207 translation = BIOS_ATA_TRANSLATION_LARGE;
3208 } else if (!strcmp(p, "rechs")) {
3209 translation = BIOS_ATA_TRANSLATION_RECHS;
3210 } else if (!strcmp(p, "none")) {
3211 translation = BIOS_ATA_TRANSLATION_NONE;
3212 } else if (!strcmp(p, "lba")) {
3213 translation = BIOS_ATA_TRANSLATION_LBA;
3214 } else if (!strcmp(p, "auto")) {
3215 translation = BIOS_ATA_TRANSLATION_AUTO;
3216 } else {
3217 goto chs_fail;
3218 }
3219 } else if (*p != '\0') {
3220 chs_fail:
3221 error_report("invalid physical CHS format");
3222 exit(1);
3223 }
3224 if (hda_opts != NULL) {
3225 qemu_opt_set_number(hda_opts, "cyls", cyls,
3226 &error_abort);
3227 qemu_opt_set_number(hda_opts, "heads", heads,
3228 &error_abort);
3229 qemu_opt_set_number(hda_opts, "secs", secs,
3230 &error_abort);
3231 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3232 qemu_opt_set(hda_opts, "trans", "large",
3233 &error_abort);
3234 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3235 qemu_opt_set(hda_opts, "trans", "rechs",
3236 &error_abort);
3237 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3238 qemu_opt_set(hda_opts, "trans", "lba",
3239 &error_abort);
3240 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3241 qemu_opt_set(hda_opts, "trans", "none",
3242 &error_abort);
3243 }
3244 }
3245 }
3246 break;
3247 case QEMU_OPTION_numa:
3248 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3249 optarg, true);
3250 if (!opts) {
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_display:
3255 display_type = select_display(optarg);
3256 break;
3257 case QEMU_OPTION_nographic:
3258 olist = qemu_find_opts("machine");
3259 qemu_opts_parse_noisily(olist, "graphics=off", false);
3260 nographic = true;
3261 display_type = DT_NONE;
3262 break;
3263 case QEMU_OPTION_curses:
3264 #ifdef CONFIG_CURSES
3265 display_type = DT_CURSES;
3266 #else
3267 error_report("curses support is disabled");
3268 exit(1);
3269 #endif
3270 break;
3271 case QEMU_OPTION_portrait:
3272 graphic_rotate = 90;
3273 break;
3274 case QEMU_OPTION_rotate:
3275 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3276 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3277 graphic_rotate != 180 && graphic_rotate != 270) {
3278 error_report("only 90, 180, 270 deg rotation is available");
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_kernel:
3283 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3284 &error_abort);
3285 break;
3286 case QEMU_OPTION_initrd:
3287 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3288 &error_abort);
3289 break;
3290 case QEMU_OPTION_append:
3291 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3292 &error_abort);
3293 break;
3294 case QEMU_OPTION_dtb:
3295 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3296 &error_abort);
3297 break;
3298 case QEMU_OPTION_cdrom:
3299 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3300 break;
3301 case QEMU_OPTION_boot:
3302 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3303 optarg, true);
3304 if (!opts) {
3305 exit(1);
3306 }
3307 break;
3308 case QEMU_OPTION_fda:
3309 case QEMU_OPTION_fdb:
3310 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3311 optarg, FD_OPTS);
3312 break;
3313 case QEMU_OPTION_no_fd_bootchk:
3314 fd_bootchk = 0;
3315 break;
3316 case QEMU_OPTION_netdev:
3317 default_net = 0;
3318 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3319 exit(1);
3320 }
3321 break;
3322 case QEMU_OPTION_net:
3323 default_net = 0;
3324 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3325 exit(1);
3326 }
3327 break;
3328 #ifdef CONFIG_LIBISCSI
3329 case QEMU_OPTION_iscsi:
3330 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3331 optarg, false);
3332 if (!opts) {
3333 exit(1);
3334 }
3335 break;
3336 #endif
3337 #ifdef CONFIG_SLIRP
3338 case QEMU_OPTION_tftp:
3339 error_report("The -tftp option is deprecated. "
3340 "Please use '-netdev user,tftp=...' instead.");
3341 legacy_tftp_prefix = optarg;
3342 break;
3343 case QEMU_OPTION_bootp:
3344 error_report("The -bootp option is deprecated. "
3345 "Please use '-netdev user,bootfile=...' instead.");
3346 legacy_bootp_filename = optarg;
3347 break;
3348 case QEMU_OPTION_redir:
3349 error_report("The -redir option is deprecated. "
3350 "Please use '-netdev user,hostfwd=...' instead.");
3351 if (net_slirp_redir(optarg) < 0)
3352 exit(1);
3353 break;
3354 #endif
3355 case QEMU_OPTION_bt:
3356 add_device_config(DEV_BT, optarg);
3357 break;
3358 case QEMU_OPTION_audio_help:
3359 AUD_help ();
3360 exit (0);
3361 break;
3362 case QEMU_OPTION_soundhw:
3363 select_soundhw (optarg);
3364 break;
3365 case QEMU_OPTION_h:
3366 help(0);
3367 break;
3368 case QEMU_OPTION_version:
3369 version();
3370 exit(0);
3371 break;
3372 case QEMU_OPTION_m:
3373 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3374 optarg, true);
3375 if (!opts) {
3376 exit(EXIT_FAILURE);
3377 }
3378 break;
3379 #ifdef CONFIG_TPM
3380 case QEMU_OPTION_tpmdev:
3381 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3382 exit(1);
3383 }
3384 break;
3385 #endif
3386 case QEMU_OPTION_mempath:
3387 mem_path = optarg;
3388 break;
3389 case QEMU_OPTION_mem_prealloc:
3390 mem_prealloc = 1;
3391 break;
3392 case QEMU_OPTION_d:
3393 log_mask = optarg;
3394 break;
3395 case QEMU_OPTION_D:
3396 log_file = optarg;
3397 break;
3398 case QEMU_OPTION_DFILTER:
3399 qemu_set_dfilter_ranges(optarg, &error_fatal);
3400 break;
3401 case QEMU_OPTION_s:
3402 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3403 break;
3404 case QEMU_OPTION_gdb:
3405 add_device_config(DEV_GDB, optarg);
3406 break;
3407 case QEMU_OPTION_L:
3408 if (is_help_option(optarg)) {
3409 list_data_dirs = true;
3410 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3411 data_dir[data_dir_idx++] = optarg;
3412 }
3413 break;
3414 case QEMU_OPTION_bios:
3415 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3416 &error_abort);
3417 break;
3418 case QEMU_OPTION_singlestep:
3419 singlestep = 1;
3420 break;
3421 case QEMU_OPTION_S:
3422 autostart = 0;
3423 break;
3424 case QEMU_OPTION_k:
3425 keyboard_layout = optarg;
3426 break;
3427 case QEMU_OPTION_localtime:
3428 rtc_utc = 0;
3429 break;
3430 case QEMU_OPTION_vga:
3431 vga_model = optarg;
3432 default_vga = 0;
3433 break;
3434 case QEMU_OPTION_g:
3435 {
3436 const char *p;
3437 int w, h, depth;
3438 p = optarg;
3439 w = strtol(p, (char **)&p, 10);
3440 if (w <= 0) {
3441 graphic_error:
3442 error_report("invalid resolution or depth");
3443 exit(1);
3444 }
3445 if (*p != 'x')
3446 goto graphic_error;
3447 p++;
3448 h = strtol(p, (char **)&p, 10);
3449 if (h <= 0)
3450 goto graphic_error;
3451 if (*p == 'x') {
3452 p++;
3453 depth = strtol(p, (char **)&p, 10);
3454 if (depth != 8 && depth != 15 && depth != 16 &&
3455 depth != 24 && depth != 32)
3456 goto graphic_error;
3457 } else if (*p == '\0') {
3458 depth = graphic_depth;
3459 } else {
3460 goto graphic_error;
3461 }
3462
3463 graphic_width = w;
3464 graphic_height = h;
3465 graphic_depth = depth;
3466 }
3467 break;
3468 case QEMU_OPTION_echr:
3469 {
3470 char *r;
3471 term_escape_char = strtol(optarg, &r, 0);
3472 if (r == optarg)
3473 printf("Bad argument to echr\n");
3474 break;
3475 }
3476 case QEMU_OPTION_monitor:
3477 default_monitor = 0;
3478 if (strncmp(optarg, "none", 4)) {
3479 monitor_parse(optarg, "readline", false);
3480 }
3481 break;
3482 case QEMU_OPTION_qmp:
3483 monitor_parse(optarg, "control", false);
3484 default_monitor = 0;
3485 break;
3486 case QEMU_OPTION_qmp_pretty:
3487 monitor_parse(optarg, "control", true);
3488 default_monitor = 0;
3489 break;
3490 case QEMU_OPTION_mon:
3491 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3492 true);
3493 if (!opts) {
3494 exit(1);
3495 }
3496 default_monitor = 0;
3497 break;
3498 case QEMU_OPTION_chardev:
3499 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3500 optarg, true);
3501 if (!opts) {
3502 exit(1);
3503 }
3504 break;
3505 case QEMU_OPTION_fsdev:
3506 olist = qemu_find_opts("fsdev");
3507 if (!olist) {
3508 error_report("fsdev support is disabled");
3509 exit(1);
3510 }
3511 opts = qemu_opts_parse_noisily(olist, optarg, true);
3512 if (!opts) {
3513 exit(1);
3514 }
3515 break;
3516 case QEMU_OPTION_virtfs: {
3517 QemuOpts *fsdev;
3518 QemuOpts *device;
3519 const char *writeout, *sock_fd, *socket;
3520
3521 olist = qemu_find_opts("virtfs");
3522 if (!olist) {
3523 error_report("virtfs support is disabled");
3524 exit(1);
3525 }
3526 opts = qemu_opts_parse_noisily(olist, optarg, true);
3527 if (!opts) {
3528 exit(1);
3529 }
3530
3531 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3532 qemu_opt_get(opts, "mount_tag") == NULL) {
3533 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3534 exit(1);
3535 }
3536 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3537 qemu_opt_get(opts, "mount_tag"),
3538 1, NULL);
3539 if (!fsdev) {
3540 error_report("duplicate fsdev id: %s",
3541 qemu_opt_get(opts, "mount_tag"));
3542 exit(1);
3543 }
3544
3545 writeout = qemu_opt_get(opts, "writeout");
3546 if (writeout) {
3547 #ifdef CONFIG_SYNC_FILE_RANGE
3548 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3549 #else
3550 error_report("writeout=immediate not supported "
3551 "on this platform");
3552 exit(1);
3553 #endif
3554 }
3555 qemu_opt_set(fsdev, "fsdriver",
3556 qemu_opt_get(opts, "fsdriver"), &error_abort);
3557 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3558 &error_abort);
3559 qemu_opt_set(fsdev, "security_model",
3560 qemu_opt_get(opts, "security_model"),
3561 &error_abort);
3562 socket = qemu_opt_get(opts, "socket");
3563 if (socket) {
3564 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3565 }
3566 sock_fd = qemu_opt_get(opts, "sock_fd");
3567 if (sock_fd) {
3568 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3569 }
3570
3571 qemu_opt_set_bool(fsdev, "readonly",
3572 qemu_opt_get_bool(opts, "readonly", 0),
3573 &error_abort);
3574 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3575 &error_abort);
3576 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3577 qemu_opt_set(device, "fsdev",
3578 qemu_opt_get(opts, "mount_tag"), &error_abort);
3579 qemu_opt_set(device, "mount_tag",
3580 qemu_opt_get(opts, "mount_tag"), &error_abort);
3581 break;
3582 }
3583 case QEMU_OPTION_virtfs_synth: {
3584 QemuOpts *fsdev;
3585 QemuOpts *device;
3586
3587 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3588 1, NULL);
3589 if (!fsdev) {
3590 error_report("duplicate option: %s", "virtfs_synth");
3591 exit(1);
3592 }
3593 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3594
3595 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3596 &error_abort);
3597 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3598 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3599 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3600 break;
3601 }
3602 case QEMU_OPTION_serial:
3603 add_device_config(DEV_SERIAL, optarg);
3604 default_serial = 0;
3605 if (strncmp(optarg, "mon:", 4) == 0) {
3606 default_monitor = 0;
3607 }
3608 break;
3609 case QEMU_OPTION_watchdog:
3610 if (watchdog) {
3611 error_report("only one watchdog option may be given");
3612 return 1;
3613 }
3614 watchdog = optarg;
3615 break;
3616 case QEMU_OPTION_watchdog_action:
3617 if (select_watchdog_action(optarg) == -1) {
3618 error_report("unknown -watchdog-action parameter");
3619 exit(1);
3620 }
3621 break;
3622 case QEMU_OPTION_virtiocon:
3623 add_device_config(DEV_VIRTCON, optarg);
3624 default_virtcon = 0;
3625 if (strncmp(optarg, "mon:", 4) == 0) {
3626 default_monitor = 0;
3627 }
3628 break;
3629 case QEMU_OPTION_parallel:
3630 add_device_config(DEV_PARALLEL, optarg);
3631 default_parallel = 0;
3632 if (strncmp(optarg, "mon:", 4) == 0) {
3633 default_monitor = 0;
3634 }
3635 break;
3636 case QEMU_OPTION_debugcon:
3637 add_device_config(DEV_DEBUGCON, optarg);
3638 break;
3639 case QEMU_OPTION_loadvm:
3640 loadvm = optarg;
3641 break;
3642 case QEMU_OPTION_full_screen:
3643 full_screen = 1;
3644 break;
3645 case QEMU_OPTION_no_frame:
3646 no_frame = 1;
3647 break;
3648 case QEMU_OPTION_alt_grab:
3649 alt_grab = 1;
3650 break;
3651 case QEMU_OPTION_ctrl_grab:
3652 ctrl_grab = 1;
3653 break;
3654 case QEMU_OPTION_no_quit:
3655 no_quit = 1;
3656 break;
3657 case QEMU_OPTION_sdl:
3658 #ifdef CONFIG_SDL
3659 display_type = DT_SDL;
3660 break;
3661 #else
3662 error_report("SDL support is disabled");
3663 exit(1);
3664 #endif
3665 case QEMU_OPTION_pidfile:
3666 pid_file = optarg;
3667 break;
3668 case QEMU_OPTION_win2k_hack:
3669 win2k_install_hack = 1;
3670 break;
3671 case QEMU_OPTION_rtc_td_hack: {
3672 static GlobalProperty slew_lost_ticks = {
3673 .driver = "mc146818rtc",
3674 .property = "lost_tick_policy",
3675 .value = "slew",
3676 };
3677
3678 qdev_prop_register_global(&slew_lost_ticks);
3679 break;
3680 }
3681 case QEMU_OPTION_acpitable:
3682 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3683 optarg, true);
3684 if (!opts) {
3685 exit(1);
3686 }
3687 do_acpitable_option(opts);
3688 break;
3689 case QEMU_OPTION_smbios:
3690 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3691 optarg, false);
3692 if (!opts) {
3693 exit(1);
3694 }
3695 do_smbios_option(opts);
3696 break;
3697 case QEMU_OPTION_fwcfg:
3698 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3699 optarg, true);
3700 if (opts == NULL) {
3701 exit(1);
3702 }
3703 break;
3704 case QEMU_OPTION_enable_kvm:
3705 olist = qemu_find_opts("machine");
3706 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3707 break;
3708 case QEMU_OPTION_M:
3709 case QEMU_OPTION_machine:
3710 olist = qemu_find_opts("machine");
3711 opts = qemu_opts_parse_noisily(olist, optarg, true);
3712 if (!opts) {
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_no_kvm:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3719 break;
3720 case QEMU_OPTION_no_kvm_pit: {
3721 error_report("warning: ignoring deprecated option");
3722 break;
3723 }
3724 case QEMU_OPTION_no_kvm_pit_reinjection: {
3725 static GlobalProperty kvm_pit_lost_tick_policy = {
3726 .driver = "kvm-pit",
3727 .property = "lost_tick_policy",
3728 .value = "discard",
3729 };
3730
3731 error_report("warning: deprecated, replaced by "
3732 "-global kvm-pit.lost_tick_policy=discard");
3733 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3734 break;
3735 }
3736 case QEMU_OPTION_usb:
3737 olist = qemu_find_opts("machine");
3738 qemu_opts_parse_noisily(olist, "usb=on", false);
3739 break;
3740 case QEMU_OPTION_usbdevice:
3741 olist = qemu_find_opts("machine");
3742 qemu_opts_parse_noisily(olist, "usb=on", false);
3743 add_device_config(DEV_USB, optarg);
3744 break;
3745 case QEMU_OPTION_device:
3746 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3747 optarg, true)) {
3748 exit(1);
3749 }
3750 break;
3751 case QEMU_OPTION_smp:
3752 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3753 optarg, true)) {
3754 exit(1);
3755 }
3756 break;
3757 case QEMU_OPTION_vnc:
3758 vnc_parse(optarg, &error_fatal);
3759 break;
3760 case QEMU_OPTION_no_acpi:
3761 acpi_enabled = 0;
3762 break;
3763 case QEMU_OPTION_no_hpet:
3764 no_hpet = 1;
3765 break;
3766 case QEMU_OPTION_balloon:
3767 if (balloon_parse(optarg) < 0) {
3768 error_report("unknown -balloon argument %s", optarg);
3769 exit(1);
3770 }
3771 break;
3772 case QEMU_OPTION_no_reboot:
3773 no_reboot = 1;
3774 break;
3775 case QEMU_OPTION_no_shutdown:
3776 no_shutdown = 1;
3777 break;
3778 case QEMU_OPTION_show_cursor:
3779 cursor_hide = 0;
3780 break;
3781 case QEMU_OPTION_uuid:
3782 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3783 error_report("failed to parse UUID string: wrong format");
3784 exit(1);
3785 }
3786 qemu_uuid_set = true;
3787 break;
3788 case QEMU_OPTION_option_rom:
3789 if (nb_option_roms >= MAX_OPTION_ROMS) {
3790 error_report("too many option ROMs");
3791 exit(1);
3792 }
3793 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3794 optarg, true);
3795 if (!opts) {
3796 exit(1);
3797 }
3798 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3799 option_rom[nb_option_roms].bootindex =
3800 qemu_opt_get_number(opts, "bootindex", -1);
3801 if (!option_rom[nb_option_roms].name) {
3802 error_report("Option ROM file is not specified");
3803 exit(1);
3804 }
3805 nb_option_roms++;
3806 break;
3807 case QEMU_OPTION_semihosting:
3808 semihosting.enabled = true;
3809 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3810 break;
3811 case QEMU_OPTION_semihosting_config:
3812 semihosting.enabled = true;
3813 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3814 optarg, false);
3815 if (opts != NULL) {
3816 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3817 true);
3818 const char *target = qemu_opt_get(opts, "target");
3819 if (target != NULL) {
3820 if (strcmp("native", target) == 0) {
3821 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3822 } else if (strcmp("gdb", target) == 0) {
3823 semihosting.target = SEMIHOSTING_TARGET_GDB;
3824 } else if (strcmp("auto", target) == 0) {
3825 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3826 } else {
3827 error_report("unsupported semihosting-config %s",
3828 optarg);
3829 exit(1);
3830 }
3831 } else {
3832 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3833 }
3834 /* Set semihosting argument count and vector */
3835 qemu_opt_foreach(opts, add_semihosting_arg,
3836 &semihosting, NULL);
3837 } else {
3838 error_report("unsupported semihosting-config %s", optarg);
3839 exit(1);
3840 }
3841 break;
3842 case QEMU_OPTION_tdf:
3843 error_report("warning: ignoring deprecated option");
3844 break;
3845 case QEMU_OPTION_name:
3846 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3847 optarg, true);
3848 if (!opts) {
3849 exit(1);
3850 }
3851 break;
3852 case QEMU_OPTION_prom_env:
3853 if (nb_prom_envs >= MAX_PROM_ENVS) {
3854 error_report("too many prom variables");
3855 exit(1);
3856 }
3857 prom_envs[nb_prom_envs] = optarg;
3858 nb_prom_envs++;
3859 break;
3860 case QEMU_OPTION_old_param:
3861 old_param = 1;
3862 break;
3863 case QEMU_OPTION_clock:
3864 /* Clock options no longer exist. Keep this option for
3865 * backward compatibility.
3866 */
3867 break;
3868 case QEMU_OPTION_startdate:
3869 configure_rtc_date_offset(optarg, 1);
3870 break;
3871 case QEMU_OPTION_rtc:
3872 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3873 false);
3874 if (!opts) {
3875 exit(1);
3876 }
3877 configure_rtc(opts);
3878 break;
3879 case QEMU_OPTION_tb_size:
3880 tcg_tb_size = strtol(optarg, NULL, 0);
3881 if (tcg_tb_size < 0) {
3882 tcg_tb_size = 0;
3883 }
3884 break;
3885 case QEMU_OPTION_icount:
3886 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3887 optarg, true);
3888 if (!icount_opts) {
3889 exit(1);
3890 }
3891 break;
3892 case QEMU_OPTION_incoming:
3893 if (!incoming) {
3894 runstate_set(RUN_STATE_INMIGRATE);
3895 }
3896 incoming = optarg;
3897 break;
3898 case QEMU_OPTION_nodefaults:
3899 has_defaults = 0;
3900 break;
3901 case QEMU_OPTION_xen_domid:
3902 if (!(xen_available())) {
3903 error_report("Option not supported for this target");
3904 exit(1);
3905 }
3906 xen_domid = atoi(optarg);
3907 break;
3908 case QEMU_OPTION_xen_create:
3909 if (!(xen_available())) {
3910 error_report("Option not supported for this target");
3911 exit(1);
3912 }
3913 xen_mode = XEN_CREATE;
3914 break;
3915 case QEMU_OPTION_xen_attach:
3916 if (!(xen_available())) {
3917 error_report("Option not supported for this target");
3918 exit(1);
3919 }
3920 xen_mode = XEN_ATTACH;
3921 break;
3922 case QEMU_OPTION_trace:
3923 g_free(trace_file);
3924 trace_file = trace_opt_parse(optarg);
3925 break;
3926 case QEMU_OPTION_readconfig:
3927 {
3928 int ret = qemu_read_config_file(optarg);
3929 if (ret < 0) {
3930 error_report("read config %s: %s", optarg,
3931 strerror(-ret));
3932 exit(1);
3933 }
3934 break;
3935 }
3936 case QEMU_OPTION_spice:
3937 olist = qemu_find_opts("spice");
3938 if (!olist) {
3939 error_report("spice support is disabled");
3940 exit(1);
3941 }
3942 opts = qemu_opts_parse_noisily(olist, optarg, false);
3943 if (!opts) {
3944 exit(1);
3945 }
3946 display_remote++;
3947 break;
3948 case QEMU_OPTION_writeconfig:
3949 {
3950 FILE *fp;
3951 if (strcmp(optarg, "-") == 0) {
3952 fp = stdout;
3953 } else {
3954 fp = fopen(optarg, "w");
3955 if (fp == NULL) {
3956 error_report("open %s: %s", optarg,
3957 strerror(errno));
3958 exit(1);
3959 }
3960 }
3961 qemu_config_write(fp);
3962 if (fp != stdout) {
3963 fclose(fp);
3964 }
3965 break;
3966 }
3967 case QEMU_OPTION_qtest:
3968 qtest_chrdev = optarg;
3969 break;
3970 case QEMU_OPTION_qtest_log:
3971 qtest_log = optarg;
3972 break;
3973 case QEMU_OPTION_sandbox:
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3975 optarg, true);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 break;
3980 case QEMU_OPTION_add_fd:
3981 #ifndef _WIN32
3982 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3983 optarg, false);
3984 if (!opts) {
3985 exit(1);
3986 }
3987 #else
3988 error_report("File descriptor passing is disabled on this "
3989 "platform");
3990 exit(1);
3991 #endif
3992 break;
3993 case QEMU_OPTION_object:
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3995 optarg, true);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 break;
4000 case QEMU_OPTION_realtime:
4001 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4002 optarg, false);
4003 if (!opts) {
4004 exit(1);
4005 }
4006 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4007 break;
4008 case QEMU_OPTION_msg:
4009 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4010 false);
4011 if (!opts) {
4012 exit(1);
4013 }
4014 configure_msg(opts);
4015 break;
4016 case QEMU_OPTION_dump_vmstate:
4017 if (vmstate_dump_file) {
4018 error_report("only one '-dump-vmstate' "
4019 "option may be given");
4020 exit(1);
4021 }
4022 vmstate_dump_file = fopen(optarg, "w");
4023 if (vmstate_dump_file == NULL) {
4024 error_report("open %s: %s", optarg, strerror(errno));
4025 exit(1);
4026 }
4027 break;
4028 default:
4029 os_parse_cmd_args(popt->index, optarg);
4030 }
4031 }
4032 }
4033 /*
4034 * Clear error location left behind by the loop.
4035 * Best done right after the loop. Do not insert code here!
4036 */
4037 loc_set_none();
4038
4039 replay_configure(icount_opts);
4040
4041 machine_class = select_machine();
4042
4043 set_memory_options(&ram_slots, &maxram_size, machine_class);
4044
4045 os_daemonize();
4046
4047 if (qemu_init_main_loop(&main_loop_err)) {
4048 error_report_err(main_loop_err);
4049 exit(1);
4050 }
4051
4052 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4053 parse_sandbox, NULL, NULL)) {
4054 exit(1);
4055 }
4056
4057 if (qemu_opts_foreach(qemu_find_opts("name"),
4058 parse_name, NULL, NULL)) {
4059 exit(1);
4060 }
4061
4062 #ifndef _WIN32
4063 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4064 parse_add_fd, NULL, NULL)) {
4065 exit(1);
4066 }
4067
4068 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4069 cleanup_add_fd, NULL, NULL)) {
4070 exit(1);
4071 }
4072 #endif
4073
4074 current_machine = MACHINE(object_new(object_class_get_name(
4075 OBJECT_CLASS(machine_class))));
4076 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4077 exit(0);
4078 }
4079 object_property_add_child(object_get_root(), "machine",
4080 OBJECT(current_machine), &error_abort);
4081 cpu_exec_init_all();
4082
4083 if (machine_class->hw_version) {
4084 qemu_set_hw_version(machine_class->hw_version);
4085 }
4086
4087 if (cpu_model && is_help_option(cpu_model)) {
4088 list_cpus(stdout, &fprintf, cpu_model);
4089 exit(0);
4090 }
4091
4092 if (!trace_init_backends()) {
4093 exit(1);
4094 }
4095 trace_init_file(trace_file);
4096
4097 /* Open the logfile at this point and set the log mask if necessary.
4098 */
4099 if (log_file) {
4100 qemu_set_log_filename(log_file, &error_fatal);
4101 }
4102
4103 if (log_mask) {
4104 int mask;
4105 mask = qemu_str_to_log_mask(log_mask);
4106 if (!mask) {
4107 qemu_print_log_usage(stdout);
4108 exit(1);
4109 }
4110 qemu_set_log(mask);
4111 } else {
4112 qemu_set_log(0);
4113 }
4114
4115 /* If no data_dir is specified then try to find it relative to the
4116 executable path. */
4117 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4118 data_dir[data_dir_idx] = os_find_datadir();
4119 if (data_dir[data_dir_idx] != NULL) {
4120 data_dir_idx++;
4121 }
4122 }
4123 /* If all else fails use the install path specified when building. */
4124 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4125 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4126 }
4127
4128 /* -L help lists the data directories and exits. */
4129 if (list_data_dirs) {
4130 for (i = 0; i < data_dir_idx; i++) {
4131 printf("%s\n", data_dir[i]);
4132 }
4133 exit(0);
4134 }
4135
4136 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4137
4138 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4139 if (max_cpus > machine_class->max_cpus) {
4140 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4141 "supported by machine '%s' (%d)", max_cpus,
4142 machine_class->name, machine_class->max_cpus);
4143 exit(1);
4144 }
4145
4146 /*
4147 * Get the default machine options from the machine if it is not already
4148 * specified either by the configuration file or by the command line.
4149 */
4150 if (machine_class->default_machine_opts) {
4151 qemu_opts_set_defaults(qemu_find_opts("machine"),
4152 machine_class->default_machine_opts, 0);
4153 }
4154
4155 qemu_opts_foreach(qemu_find_opts("device"),
4156 default_driver_check, NULL, NULL);
4157 qemu_opts_foreach(qemu_find_opts("global"),
4158 default_driver_check, NULL, NULL);
4159
4160 if (!vga_model && !default_vga) {
4161 vga_interface_type = VGA_DEVICE;
4162 }
4163 if (!has_defaults || machine_class->no_serial) {
4164 default_serial = 0;
4165 }
4166 if (!has_defaults || machine_class->no_parallel) {
4167 default_parallel = 0;
4168 }
4169 if (!has_defaults || !machine_class->use_virtcon) {
4170 default_virtcon = 0;
4171 }
4172 if (!has_defaults || !machine_class->use_sclp) {
4173 default_sclp = 0;
4174 }
4175 if (!has_defaults || machine_class->no_floppy) {
4176 default_floppy = 0;
4177 }
4178 if (!has_defaults || machine_class->no_cdrom) {
4179 default_cdrom = 0;
4180 }
4181 if (!has_defaults || machine_class->no_sdcard) {
4182 default_sdcard = 0;
4183 }
4184 if (!has_defaults) {
4185 default_monitor = 0;
4186 default_net = 0;
4187 default_vga = 0;
4188 }
4189
4190 if (is_daemonized()) {
4191 /* According to documentation and historically, -nographic redirects
4192 * serial port, parallel port and monitor to stdio, which does not work
4193 * with -daemonize. We can redirect these to null instead, but since
4194 * -nographic is legacy, let's just error out.
4195 * We disallow -nographic only if all other ports are not redirected
4196 * explicitly, to not break existing legacy setups which uses
4197 * -nographic _and_ redirects all ports explicitly - this is valid
4198 * usage, -nographic is just a no-op in this case.
4199 */
4200 if (nographic
4201 && (default_parallel || default_serial
4202 || default_monitor || default_virtcon)) {
4203 error_report("-nographic cannot be used with -daemonize");
4204 exit(1);
4205 }
4206 #ifdef CONFIG_CURSES
4207 if (display_type == DT_CURSES) {
4208 error_report("curses display cannot be used with -daemonize");
4209 exit(1);
4210 }
4211 #endif
4212 }
4213
4214 if (nographic) {
4215 if (default_parallel)
4216 add_device_config(DEV_PARALLEL, "null");
4217 if (default_serial && default_monitor) {
4218 add_device_config(DEV_SERIAL, "mon:stdio");
4219 } else if (default_virtcon && default_monitor) {
4220 add_device_config(DEV_VIRTCON, "mon:stdio");
4221 } else if (default_sclp && default_monitor) {
4222 add_device_config(DEV_SCLP, "mon:stdio");
4223 } else {
4224 if (default_serial)
4225 add_device_config(DEV_SERIAL, "stdio");
4226 if (default_virtcon)
4227 add_device_config(DEV_VIRTCON, "stdio");
4228 if (default_sclp) {
4229 add_device_config(DEV_SCLP, "stdio");
4230 }
4231 if (default_monitor)
4232 monitor_parse("stdio", "readline", false);
4233 }
4234 } else {
4235 if (default_serial)
4236 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4237 if (default_parallel)
4238 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4239 if (default_monitor)
4240 monitor_parse("vc:80Cx24C", "readline", false);
4241 if (default_virtcon)
4242 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4243 if (default_sclp) {
4244 add_device_config(DEV_SCLP, "vc:80Cx24C");
4245 }
4246 }
4247
4248 #if defined(CONFIG_VNC)
4249 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4250 display_remote++;
4251 }
4252 #endif
4253 if (display_type == DT_DEFAULT && !display_remote) {
4254 #if defined(CONFIG_GTK)
4255 display_type = DT_GTK;
4256 #elif defined(CONFIG_SDL)
4257 display_type = DT_SDL;
4258 #elif defined(CONFIG_COCOA)
4259 display_type = DT_COCOA;
4260 #elif defined(CONFIG_VNC)
4261 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4262 #else
4263 display_type = DT_NONE;
4264 #endif
4265 }
4266
4267 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4268 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4269 "for SDL, ignoring option");
4270 }
4271 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4272 error_report("-no-quit is only valid for GTK and SDL, "
4273 "ignoring option");
4274 }
4275
4276 if (display_type == DT_GTK) {
4277 early_gtk_display_init(request_opengl);
4278 }
4279
4280 if (display_type == DT_SDL) {
4281 sdl_display_early_init(request_opengl);
4282 }
4283
4284 if (request_opengl == 1 && display_opengl == 0) {
4285 #if defined(CONFIG_OPENGL)
4286 error_report("OpenGL is not supported by the display");
4287 #else
4288 error_report("OpenGL support is disabled");
4289 #endif
4290 exit(1);
4291 }
4292
4293 page_size_init();
4294 socket_init();
4295
4296 if (qemu_opts_foreach(qemu_find_opts("object"),
4297 user_creatable_add_opts_foreach,
4298 object_create_initial, NULL)) {
4299 exit(1);
4300 }
4301
4302 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4303 chardev_init_func, NULL, NULL)) {
4304 exit(1);
4305 }
4306
4307 #ifdef CONFIG_VIRTFS
4308 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4309 fsdev_init_func, NULL, NULL)) {
4310 exit(1);
4311 }
4312 #endif
4313
4314 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4315 error_report("could not acquire pid file: %s", strerror(errno));
4316 exit(1);
4317 }
4318
4319 if (qemu_opts_foreach(qemu_find_opts("device"),
4320 device_help_func, NULL, NULL)) {
4321 exit(0);
4322 }
4323
4324 machine_opts = qemu_get_machine_opts();
4325 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4326 NULL)) {
4327 object_unref(OBJECT(current_machine));
4328 exit(1);
4329 }
4330
4331 configure_accelerator(current_machine);
4332
4333 if (qtest_chrdev) {
4334 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4335 }
4336
4337 machine_opts = qemu_get_machine_opts();
4338 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4339 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4340 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4341 bios_name = qemu_opt_get(machine_opts, "firmware");
4342
4343 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4344 if (opts) {
4345 boot_order = qemu_opt_get(opts, "order");
4346 if (boot_order) {
4347 validate_bootdevices(boot_order, &error_fatal);
4348 }
4349
4350 boot_once = qemu_opt_get(opts, "once");
4351 if (boot_once) {
4352 validate_bootdevices(boot_once, &error_fatal);
4353 }
4354
4355 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4356 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4357 }
4358
4359 if (!boot_order) {
4360 boot_order = machine_class->default_boot_order;
4361 }
4362
4363 if (!kernel_cmdline) {
4364 kernel_cmdline = "";
4365 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4366 }
4367
4368 linux_boot = (kernel_filename != NULL);
4369
4370 if (!linux_boot && *kernel_cmdline != '\0') {
4371 error_report("-append only allowed with -kernel option");
4372 exit(1);
4373 }
4374
4375 if (!linux_boot && initrd_filename != NULL) {
4376 error_report("-initrd only allowed with -kernel option");
4377 exit(1);
4378 }
4379
4380 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4381 error_report("-dtb only allowed with -kernel option");
4382 exit(1);
4383 }
4384
4385 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4386 /* fall back to the -kernel/-append */
4387 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4388 }
4389
4390 os_set_line_buffering();
4391
4392 /* spice needs the timers to be initialized by this point */
4393 qemu_spice_init();
4394
4395 cpu_ticks_init();
4396 if (icount_opts) {
4397 if (kvm_enabled() || xen_enabled()) {
4398 error_report("-icount is not allowed with kvm or xen");
4399 exit(1);
4400 }
4401 configure_icount(icount_opts, &error_abort);
4402 qemu_opts_del(icount_opts);
4403 }
4404
4405 if (default_net) {
4406 QemuOptsList *net = qemu_find_opts("net");
4407 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4408 #ifdef CONFIG_SLIRP
4409 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4410 #endif
4411 }
4412
4413 if (net_init_clients() < 0) {
4414 exit(1);
4415 }
4416
4417 if (qemu_opts_foreach(qemu_find_opts("object"),
4418 user_creatable_add_opts_foreach,
4419 object_create_delayed, NULL)) {
4420 exit(1);
4421 }
4422
4423 #ifdef CONFIG_TPM
4424 if (tpm_init() < 0) {
4425 exit(1);
4426 }
4427 #endif
4428
4429 /* init the bluetooth world */
4430 if (foreach_device_config(DEV_BT, bt_parse))
4431 exit(1);
4432
4433 if (!xen_enabled()) {
4434 /* On 32-bit hosts, QEMU is limited by virtual address space */
4435 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4436 error_report("at most 2047 MB RAM can be simulated");
4437 exit(1);
4438 }
4439 }
4440
4441 blk_mig_init();
4442 ram_mig_init();
4443
4444 /* If the currently selected machine wishes to override the units-per-bus
4445 * property of its default HBA interface type, do so now. */
4446 if (machine_class->units_per_default_bus) {
4447 override_max_devs(machine_class->block_default_type,
4448 machine_class->units_per_default_bus);
4449 }
4450
4451 /* open the virtual block devices */
4452 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4453 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4454 NULL, NULL);
4455 }
4456 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4457 &machine_class->block_default_type, NULL)) {
4458 exit(1);
4459 }
4460
4461 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4462 CDROM_OPTS);
4463 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4464 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4465
4466 parse_numa_opts(machine_class);
4467
4468 if (qemu_opts_foreach(qemu_find_opts("mon"),
4469 mon_init_func, NULL, NULL)) {
4470 exit(1);
4471 }
4472
4473 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4474 exit(1);
4475 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4476 exit(1);
4477 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4478 exit(1);
4479 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4480 exit(1);
4481 }
4482 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4483 exit(1);
4484
4485 /* If no default VGA is requested, the default is "none". */
4486 if (default_vga) {
4487 if (machine_class->default_display) {
4488 vga_model = machine_class->default_display;
4489 } else if (vga_interface_available(VGA_CIRRUS)) {
4490 vga_model = "cirrus";
4491 } else if (vga_interface_available(VGA_STD)) {
4492 vga_model = "std";
4493 }
4494 }
4495 if (vga_model) {
4496 select_vgahw(vga_model);
4497 }
4498
4499 if (watchdog) {
4500 i = select_watchdog(watchdog);
4501 if (i > 0)
4502 exit (i == 1 ? 1 : 0);
4503 }
4504
4505 machine_register_compat_props(current_machine);
4506
4507 qemu_opts_foreach(qemu_find_opts("global"),
4508 global_init_func, NULL, NULL);
4509
4510 /* This checkpoint is required by replay to separate prior clock
4511 reading from the other reads, because timer polling functions query
4512 clock values from the log. */
4513 replay_checkpoint(CHECKPOINT_INIT);
4514 qdev_machine_init();
4515
4516 current_machine->ram_size = ram_size;
4517 current_machine->maxram_size = maxram_size;
4518 current_machine->ram_slots = ram_slots;
4519 current_machine->boot_order = boot_order;
4520 current_machine->cpu_model = cpu_model;
4521
4522 machine_class->init(current_machine);
4523
4524 realtime_init();
4525
4526 audio_init();
4527
4528 cpu_synchronize_all_post_init();
4529
4530 numa_post_machine_init();
4531
4532 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4533 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4534 exit(1);
4535 }
4536
4537 /* init USB devices */
4538 if (machine_usb(current_machine)) {
4539 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4540 exit(1);
4541 }
4542
4543 /* Check if IGD GFX passthrough. */
4544 igd_gfx_passthru();
4545
4546 /* init generic devices */
4547 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4548 if (qemu_opts_foreach(qemu_find_opts("device"),
4549 device_init_func, NULL, NULL)) {
4550 exit(1);
4551 }
4552 rom_reset_order_override();
4553
4554 /* Did we create any drives that we failed to create a device for? */
4555 drive_check_orphaned();
4556
4557 /* Don't warn about the default network setup that you get if
4558 * no command line -net or -netdev options are specified. There
4559 * are two cases that we would otherwise complain about:
4560 * (1) board doesn't support a NIC but the implicit "-net nic"
4561 * requested one
4562 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4563 * sets up a nic that isn't connected to anything.
4564 */
4565 if (!default_net) {
4566 net_check_clients();
4567 }
4568
4569
4570 if (boot_once) {
4571 qemu_boot_set(boot_once, &error_fatal);
4572 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4573 }
4574
4575 ds = init_displaystate();
4576
4577 /* init local displays */
4578 switch (display_type) {
4579 case DT_CURSES:
4580 curses_display_init(ds, full_screen);
4581 break;
4582 case DT_SDL:
4583 sdl_display_init(ds, full_screen, no_frame);
4584 break;
4585 case DT_COCOA:
4586 cocoa_display_init(ds, full_screen);
4587 break;
4588 case DT_GTK:
4589 gtk_display_init(ds, full_screen, grab_on_hover);
4590 break;
4591 default:
4592 break;
4593 }
4594
4595 /* must be after terminal init, SDL library changes signal handlers */
4596 os_setup_signal_handling();
4597
4598 /* init remote displays */
4599 #ifdef CONFIG_VNC
4600 qemu_opts_foreach(qemu_find_opts("vnc"),
4601 vnc_init_func, NULL, NULL);
4602 #endif
4603
4604 if (using_spice) {
4605 qemu_spice_display_init();
4606 }
4607
4608 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4609 exit(1);
4610 }
4611
4612 qdev_machine_creation_done();
4613
4614 /* TODO: once all bus devices are qdevified, this should be done
4615 * when bus is created by qdev.c */
4616 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4617 qemu_run_machine_init_done_notifiers();
4618
4619 if (rom_check_and_register_reset() != 0) {
4620 error_report("rom check and register reset failed");
4621 exit(1);
4622 }
4623
4624 replay_start();
4625
4626 /* This checkpoint is required by replay to separate prior clock
4627 reading from the other reads, because timer polling functions query
4628 clock values from the log. */
4629 replay_checkpoint(CHECKPOINT_RESET);
4630 qemu_system_reset(VMRESET_SILENT);
4631 register_global_state();
4632 if (loadvm) {
4633 if (load_vmstate(loadvm) < 0) {
4634 autostart = 0;
4635 }
4636 }
4637
4638 qdev_prop_check_globals();
4639 if (vmstate_dump_file) {
4640 /* dump and exit */
4641 dump_vmstate_json_to_file(vmstate_dump_file);
4642 return 0;
4643 }
4644
4645 if (incoming) {
4646 Error *local_err = NULL;
4647 qemu_start_incoming_migration(incoming, &local_err);
4648 if (local_err) {
4649 error_reportf_err(local_err, "-incoming %s: ", incoming);
4650 exit(1);
4651 }
4652 } else if (autostart) {
4653 vm_start();
4654 }
4655
4656 os_setup_post();
4657
4658 trace_init_vcpu_events();
4659 main_loop();
4660 replay_disable_events();
4661 iothread_stop_all();
4662
4663 bdrv_close_all();
4664 pause_all_vcpus();
4665 res_free();
4666
4667 /* vhost-user must be cleaned up before chardevs. */
4668 net_cleanup();
4669 audio_cleanup();
4670 monitor_cleanup();
4671 qemu_chr_cleanup();
4672
4673 return 0;
4674 }
QEmu