?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
hw: move reset handlers from vl.c to hw/core
[qemu/kevin.git] / vl.c
bloba2aff237ee2cdb9107bf0b4e17f0fb192ff8536d
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 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
69 #include "hw/qdev.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 int request_opengl = -1;
135 int display_opengl;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 1;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 QemuUUID qemu_uuid;
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212 static int default_net = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "floppy", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_boot_opts = {
300 .name = "boot-opts",
301 .implied_opt_name = "order",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
304 .desc = {
305 {
306 .name = "order",
307 .type = QEMU_OPT_STRING,
308 }, {
309 .name = "once",
310 .type = QEMU_OPT_STRING,
311 }, {
312 .name = "menu",
313 .type = QEMU_OPT_BOOL,
314 }, {
315 .name = "splash",
316 .type = QEMU_OPT_STRING,
317 }, {
318 .name = "splash-time",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "reboot-timeout",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "strict",
325 .type = QEMU_OPT_BOOL,
326 },
327 { /*End of list */ }
328 },
329 };
330
331 static QemuOptsList qemu_add_fd_opts = {
332 .name = "add-fd",
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
334 .desc = {
335 {
336 .name = "fd",
337 .type = QEMU_OPT_NUMBER,
338 .help = "file descriptor of which a duplicate is added to fd set",
339 },{
340 .name = "set",
341 .type = QEMU_OPT_NUMBER,
342 .help = "ID of the fd set to add fd to",
343 },{
344 .name = "opaque",
345 .type = QEMU_OPT_STRING,
346 .help = "free-form string used to describe fd",
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_object_opts = {
353 .name = "object",
354 .implied_opt_name = "qom-type",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
356 .desc = {
357 { }
358 },
359 };
360
361 static QemuOptsList qemu_tpmdev_opts = {
362 .name = "tpmdev",
363 .implied_opt_name = "type",
364 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
365 .desc = {
366 /* options are defined in the TPM backends */
367 { /* end of list */ }
368 },
369 };
370
371 static QemuOptsList qemu_realtime_opts = {
372 .name = "realtime",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
374 .desc = {
375 {
376 .name = "mlock",
377 .type = QEMU_OPT_BOOL,
378 },
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_msg_opts = {
384 .name = "msg",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
386 .desc = {
387 {
388 .name = "timestamp",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_name_opts = {
396 .name = "name",
397 .implied_opt_name = "guest",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
400 .desc = {
401 {
402 .name = "guest",
403 .type = QEMU_OPT_STRING,
404 .help = "Sets the name of the guest.\n"
405 "This name will be displayed in the SDL window caption.\n"
406 "The name will also be used for the VNC server",
407 }, {
408 .name = "process",
409 .type = QEMU_OPT_STRING,
410 .help = "Sets the name of the QEMU process, as shown in top etc",
411 }, {
412 .name = "debug-threads",
413 .type = QEMU_OPT_BOOL,
414 .help = "When enabled, name the individual threads; defaults off.\n"
415 "NOTE: The thread names are for debugging and not a\n"
416 "stable API.",
417 },
418 { /* End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_mem_opts = {
423 .name = "memory",
424 .implied_opt_name = "size",
425 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
426 .merge_lists = true,
427 .desc = {
428 {
429 .name = "size",
430 .type = QEMU_OPT_SIZE,
431 },
432 {
433 .name = "slots",
434 .type = QEMU_OPT_NUMBER,
435 },
436 {
437 .name = "maxmem",
438 .type = QEMU_OPT_SIZE,
439 },
440 { /* end of list */ }
441 },
442 };
443
444 static QemuOptsList qemu_icount_opts = {
445 .name = "icount",
446 .implied_opt_name = "shift",
447 .merge_lists = true,
448 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
449 .desc = {
450 {
451 .name = "shift",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "align",
455 .type = QEMU_OPT_BOOL,
456 }, {
457 .name = "sleep",
458 .type = QEMU_OPT_BOOL,
459 }, {
460 .name = "rr",
461 .type = QEMU_OPT_STRING,
462 }, {
463 .name = "rrfile",
464 .type = QEMU_OPT_STRING,
465 },
466 { /* end of list */ }
467 },
468 };
469
470 static QemuOptsList qemu_semihosting_config_opts = {
471 .name = "semihosting-config",
472 .implied_opt_name = "enable",
473 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
474 .desc = {
475 {
476 .name = "enable",
477 .type = QEMU_OPT_BOOL,
478 }, {
479 .name = "target",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "arg",
483 .type = QEMU_OPT_STRING,
484 },
485 { /* end of list */ }
486 },
487 };
488
489 static QemuOptsList qemu_fw_cfg_opts = {
490 .name = "fw_cfg",
491 .implied_opt_name = "name",
492 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
493 .desc = {
494 {
495 .name = "name",
496 .type = QEMU_OPT_STRING,
497 .help = "Sets the fw_cfg name of the blob to be inserted",
498 }, {
499 .name = "file",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the file from which\n"
502 "the fw_cfg blob will be loaded",
503 }, {
504 .name = "string",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets content of the blob to be inserted from a string",
507 },
508 { /* end of list */ }
509 },
510 };
511
512 #ifdef CONFIG_LIBISCSI
513 static QemuOptsList qemu_iscsi_opts = {
514 .name = "iscsi",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
516 .desc = {
517 {
518 .name = "user",
519 .type = QEMU_OPT_STRING,
520 .help = "username for CHAP authentication to target",
521 },{
522 .name = "password",
523 .type = QEMU_OPT_STRING,
524 .help = "password for CHAP authentication to target",
525 },{
526 .name = "password-secret",
527 .type = QEMU_OPT_STRING,
528 .help = "ID of the secret providing password for CHAP "
529 "authentication to target",
530 },{
531 .name = "header-digest",
532 .type = QEMU_OPT_STRING,
533 .help = "HeaderDigest setting. "
534 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
535 },{
536 .name = "initiator-name",
537 .type = QEMU_OPT_STRING,
538 .help = "Initiator iqn name to use when connecting",
539 },{
540 .name = "timeout",
541 .type = QEMU_OPT_NUMBER,
542 .help = "Request timeout in seconds (default 0 = no timeout)",
543 },
544 { /* end of list */ }
545 },
546 };
547 #endif
548
549 /**
550 * Get machine options
551 *
552 * Returns: machine options (never null).
553 */
554 QemuOpts *qemu_get_machine_opts(void)
555 {
556 return qemu_find_opts_singleton("machine");
557 }
558
559 const char *qemu_get_vm_name(void)
560 {
561 return qemu_name;
562 }
563
564 static void res_free(void)
565 {
566 g_free(boot_splash_filedata);
567 boot_splash_filedata = NULL;
568 }
569
570 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
571 {
572 const char *driver = qemu_opt_get(opts, "driver");
573 int i;
574
575 if (!driver)
576 return 0;
577 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
578 if (strcmp(default_list[i].driver, driver) != 0)
579 continue;
580 *(default_list[i].flag) = 0;
581 }
582 return 0;
583 }
584
585 /***********************************************************/
586 /* QEMU state */
587
588 static RunState current_run_state = RUN_STATE_PRELAUNCH;
589
590 /* We use RUN_STATE__MAX but any invalid value will do */
591 static RunState vmstop_requested = RUN_STATE__MAX;
592 static QemuMutex vmstop_lock;
593
594 typedef struct {
595 RunState from;
596 RunState to;
597 } RunStateTransition;
598
599 static const RunStateTransition runstate_transitions_def[] = {
600 /* from -> to */
601 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
602 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
612 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
615 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
616 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
623 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
627 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
629 { RUN_STATE_PAUSED, RUN_STATE_COLO},
630
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
638
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
643
644 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
645 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_COLO, RUN_STATE_RUNNING },
648
649 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
650 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
651 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
652 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
653 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
655 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
656 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
657 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
658 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
659 { RUN_STATE_RUNNING, RUN_STATE_COLO},
660
661 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
662
663 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
664 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
666
667 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
668 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
669 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
670 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
672 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
673
674 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
675 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
677 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
678
679 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
680 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
682
683 { RUN_STATE__MAX, RUN_STATE__MAX },
684 };
685
686 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
687
688 bool runstate_check(RunState state)
689 {
690 return current_run_state == state;
691 }
692
693 bool runstate_store(char *str, size_t size)
694 {
695 const char *state = RunState_lookup[current_run_state];
696 size_t len = strlen(state) + 1;
697
698 if (len > size) {
699 return false;
700 }
701 memcpy(str, state, len);
702 return true;
703 }
704
705 static void runstate_init(void)
706 {
707 const RunStateTransition *p;
708
709 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
710 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
711 runstate_valid_transitions[p->from][p->to] = true;
712 }
713
714 qemu_mutex_init(&vmstop_lock);
715 }
716
717 /* This function will abort() on invalid state transitions */
718 void runstate_set(RunState new_state)
719 {
720 assert(new_state < RUN_STATE__MAX);
721
722 if (current_run_state == new_state) {
723 return;
724 }
725
726 if (!runstate_valid_transitions[current_run_state][new_state]) {
727 error_report("invalid runstate transition: '%s' -> '%s'",
728 RunState_lookup[current_run_state],
729 RunState_lookup[new_state]);
730 abort();
731 }
732 trace_runstate_set(new_state);
733 current_run_state = new_state;
734 }
735
736 int runstate_is_running(void)
737 {
738 return runstate_check(RUN_STATE_RUNNING);
739 }
740
741 bool runstate_needs_reset(void)
742 {
743 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
744 runstate_check(RUN_STATE_SHUTDOWN);
745 }
746
747 StatusInfo *qmp_query_status(Error **errp)
748 {
749 StatusInfo *info = g_malloc0(sizeof(*info));
750
751 info->running = runstate_is_running();
752 info->singlestep = singlestep;
753 info->status = current_run_state;
754
755 return info;
756 }
757
758 static bool qemu_vmstop_requested(RunState *r)
759 {
760 qemu_mutex_lock(&vmstop_lock);
761 *r = vmstop_requested;
762 vmstop_requested = RUN_STATE__MAX;
763 qemu_mutex_unlock(&vmstop_lock);
764 return *r < RUN_STATE__MAX;
765 }
766
767 void qemu_system_vmstop_request_prepare(void)
768 {
769 qemu_mutex_lock(&vmstop_lock);
770 }
771
772 void qemu_system_vmstop_request(RunState state)
773 {
774 vmstop_requested = state;
775 qemu_mutex_unlock(&vmstop_lock);
776 qemu_notify_event();
777 }
778
779 void vm_start(void)
780 {
781 RunState requested;
782
783 qemu_vmstop_requested(&requested);
784 if (runstate_is_running() && requested == RUN_STATE__MAX) {
785 return;
786 }
787
788 /* Ensure that a STOP/RESUME pair of events is emitted if a
789 * vmstop request was pending. The BLOCK_IO_ERROR event, for
790 * example, according to documentation is always followed by
791 * the STOP event.
792 */
793 if (runstate_is_running()) {
794 qapi_event_send_stop(&error_abort);
795 } else {
796 replay_enable_events();
797 cpu_enable_ticks();
798 runstate_set(RUN_STATE_RUNNING);
799 vm_state_notify(1, RUN_STATE_RUNNING);
800 resume_all_vcpus();
801 }
802
803 qapi_event_send_resume(&error_abort);
804 }
805
806
807 /***********************************************************/
808 /* real time host monotonic timer */
809
810 static time_t qemu_time(void)
811 {
812 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
813 }
814
815 /***********************************************************/
816 /* host time/date access */
817 void qemu_get_timedate(struct tm *tm, int offset)
818 {
819 time_t ti = qemu_time();
820
821 ti += offset;
822 if (rtc_date_offset == -1) {
823 if (rtc_utc)
824 gmtime_r(&ti, tm);
825 else
826 localtime_r(&ti, tm);
827 } else {
828 ti -= rtc_date_offset;
829 gmtime_r(&ti, tm);
830 }
831 }
832
833 int qemu_timedate_diff(struct tm *tm)
834 {
835 time_t seconds;
836
837 if (rtc_date_offset == -1)
838 if (rtc_utc)
839 seconds = mktimegm(tm);
840 else {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 }
845 else
846 seconds = mktimegm(tm) + rtc_date_offset;
847
848 return seconds - qemu_time();
849 }
850
851 static void configure_rtc_date_offset(const char *startdate, int legacy)
852 {
853 time_t rtc_start_date;
854 struct tm tm;
855
856 if (!strcmp(startdate, "now") && legacy) {
857 rtc_date_offset = -1;
858 } else {
859 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
860 &tm.tm_year,
861 &tm.tm_mon,
862 &tm.tm_mday,
863 &tm.tm_hour,
864 &tm.tm_min,
865 &tm.tm_sec) == 6) {
866 /* OK */
867 } else if (sscanf(startdate, "%d-%d-%d",
868 &tm.tm_year,
869 &tm.tm_mon,
870 &tm.tm_mday) == 3) {
871 tm.tm_hour = 0;
872 tm.tm_min = 0;
873 tm.tm_sec = 0;
874 } else {
875 goto date_fail;
876 }
877 tm.tm_year -= 1900;
878 tm.tm_mon--;
879 rtc_start_date = mktimegm(&tm);
880 if (rtc_start_date == -1) {
881 date_fail:
882 error_report("invalid date format");
883 error_printf("valid formats: "
884 "'2006-06-17T16:01:21' or '2006-06-17'\n");
885 exit(1);
886 }
887 rtc_date_offset = qemu_time() - rtc_start_date;
888 }
889 }
890
891 static void configure_rtc(QemuOpts *opts)
892 {
893 const char *value;
894
895 value = qemu_opt_get(opts, "base");
896 if (value) {
897 if (!strcmp(value, "utc")) {
898 rtc_utc = 1;
899 } else if (!strcmp(value, "localtime")) {
900 Error *blocker = NULL;
901 rtc_utc = 0;
902 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
903 "-rtc base=localtime");
904 replay_add_blocker(blocker);
905 } else {
906 configure_rtc_date_offset(value, 0);
907 }
908 }
909 value = qemu_opt_get(opts, "clock");
910 if (value) {
911 if (!strcmp(value, "host")) {
912 rtc_clock = QEMU_CLOCK_HOST;
913 } else if (!strcmp(value, "rt")) {
914 rtc_clock = QEMU_CLOCK_REALTIME;
915 } else if (!strcmp(value, "vm")) {
916 rtc_clock = QEMU_CLOCK_VIRTUAL;
917 } else {
918 error_report("invalid option value '%s'", value);
919 exit(1);
920 }
921 }
922 value = qemu_opt_get(opts, "driftfix");
923 if (value) {
924 if (!strcmp(value, "slew")) {
925 static GlobalProperty slew_lost_ticks = {
926 .driver = "mc146818rtc",
927 .property = "lost_tick_policy",
928 .value = "slew",
929 };
930
931 qdev_prop_register_global(&slew_lost_ticks);
932 } else if (!strcmp(value, "none")) {
933 /* discard is default */
934 } else {
935 error_report("invalid option value '%s'", value);
936 exit(1);
937 }
938 }
939 }
940
941 /***********************************************************/
942 /* Bluetooth support */
943 static int nb_hcis;
944 static int cur_hci;
945 static struct HCIInfo *hci_table[MAX_NICS];
946
947 struct HCIInfo *qemu_next_hci(void)
948 {
949 if (cur_hci == nb_hcis)
950 return &null_hci;
951
952 return hci_table[cur_hci++];
953 }
954
955 static int bt_hci_parse(const char *str)
956 {
957 struct HCIInfo *hci;
958 bdaddr_t bdaddr;
959
960 if (nb_hcis >= MAX_NICS) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
962 return -1;
963 }
964
965 hci = hci_init(str);
966 if (!hci)
967 return -1;
968
969 bdaddr.b[0] = 0x52;
970 bdaddr.b[1] = 0x54;
971 bdaddr.b[2] = 0x00;
972 bdaddr.b[3] = 0x12;
973 bdaddr.b[4] = 0x34;
974 bdaddr.b[5] = 0x56 + nb_hcis;
975 hci->bdaddr_set(hci, bdaddr.b);
976
977 hci_table[nb_hcis++] = hci;
978
979 return 0;
980 }
981
982 static void bt_vhci_add(int vlan_id)
983 {
984 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
985
986 if (!vlan->slave)
987 error_report("warning: adding a VHCI to an empty scatternet %i",
988 vlan_id);
989
990 bt_vhci_init(bt_new_hci(vlan));
991 }
992
993 static struct bt_device_s *bt_device_add(const char *opt)
994 {
995 struct bt_scatternet_s *vlan;
996 int vlan_id = 0;
997 char *endp = strstr(opt, ",vlan=");
998 int len = (endp ? endp - opt : strlen(opt)) + 1;
999 char devname[10];
1000
1001 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1002
1003 if (endp) {
1004 vlan_id = strtol(endp + 6, &endp, 0);
1005 if (*endp) {
1006 error_report("unrecognised bluetooth vlan Id");
1007 return 0;
1008 }
1009 }
1010
1011 vlan = qemu_find_bt_vlan(vlan_id);
1012
1013 if (!vlan->slave)
1014 error_report("warning: adding a slave device to an empty scatternet %i",
1015 vlan_id);
1016
1017 if (!strcmp(devname, "keyboard"))
1018 return bt_keyboard_init(vlan);
1019
1020 error_report("unsupported bluetooth device '%s'", devname);
1021 return 0;
1022 }
1023
1024 static int bt_parse(const char *opt)
1025 {
1026 const char *endp, *p;
1027 int vlan;
1028
1029 if (strstart(opt, "hci", &endp)) {
1030 if (!*endp || *endp == ',') {
1031 if (*endp)
1032 if (!strstart(endp, ",vlan=", 0))
1033 opt = endp + 1;
1034
1035 return bt_hci_parse(opt);
1036 }
1037 } else if (strstart(opt, "vhci", &endp)) {
1038 if (!*endp || *endp == ',') {
1039 if (*endp) {
1040 if (strstart(endp, ",vlan=", &p)) {
1041 vlan = strtol(p, (char **) &endp, 0);
1042 if (*endp) {
1043 error_report("bad scatternet '%s'", p);
1044 return 1;
1045 }
1046 } else {
1047 error_report("bad parameter '%s'", endp + 1);
1048 return 1;
1049 }
1050 } else
1051 vlan = 0;
1052
1053 bt_vhci_add(vlan);
1054 return 0;
1055 }
1056 } else if (strstart(opt, "device:", &endp))
1057 return !bt_device_add(endp);
1058
1059 error_report("bad bluetooth parameter '%s'", opt);
1060 return 1;
1061 }
1062
1063 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1064 {
1065 /* FIXME: change this to true for 1.3 */
1066 if (qemu_opt_get_bool(opts, "enable", false)) {
1067 #ifdef CONFIG_SECCOMP
1068 if (seccomp_start() < 0) {
1069 error_report("failed to install seccomp syscall filter "
1070 "in the kernel");
1071 return -1;
1072 }
1073 #else
1074 error_report("seccomp support is disabled");
1075 return -1;
1076 #endif
1077 }
1078
1079 return 0;
1080 }
1081
1082 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1083 {
1084 const char *proc_name;
1085
1086 if (qemu_opt_get(opts, "debug-threads")) {
1087 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1088 }
1089 qemu_name = qemu_opt_get(opts, "guest");
1090
1091 proc_name = qemu_opt_get(opts, "process");
1092 if (proc_name) {
1093 os_set_proc_name(proc_name);
1094 }
1095
1096 return 0;
1097 }
1098
1099 bool defaults_enabled(void)
1100 {
1101 return has_defaults;
1102 }
1103
1104 #ifndef _WIN32
1105 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1106 {
1107 int fd, dupfd, flags;
1108 int64_t fdset_id;
1109 const char *fd_opaque = NULL;
1110 AddfdInfo *fdinfo;
1111
1112 fd = qemu_opt_get_number(opts, "fd", -1);
1113 fdset_id = qemu_opt_get_number(opts, "set", -1);
1114 fd_opaque = qemu_opt_get(opts, "opaque");
1115
1116 if (fd < 0) {
1117 error_report("fd option is required and must be non-negative");
1118 return -1;
1119 }
1120
1121 if (fd <= STDERR_FILENO) {
1122 error_report("fd cannot be a standard I/O stream");
1123 return -1;
1124 }
1125
1126 /*
1127 * All fds inherited across exec() necessarily have FD_CLOEXEC
1128 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1129 */
1130 flags = fcntl(fd, F_GETFD);
1131 if (flags == -1 || (flags & FD_CLOEXEC)) {
1132 error_report("fd is not valid or already in use");
1133 return -1;
1134 }
1135
1136 if (fdset_id < 0) {
1137 error_report("set option is required and must be non-negative");
1138 return -1;
1139 }
1140
1141 #ifdef F_DUPFD_CLOEXEC
1142 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1143 #else
1144 dupfd = dup(fd);
1145 if (dupfd != -1) {
1146 qemu_set_cloexec(dupfd);
1147 }
1148 #endif
1149 if (dupfd == -1) {
1150 error_report("error duplicating fd: %s", strerror(errno));
1151 return -1;
1152 }
1153
1154 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1155 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1156 &error_abort);
1157 g_free(fdinfo);
1158
1159 return 0;
1160 }
1161
1162 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 int fd;
1165
1166 fd = qemu_opt_get_number(opts, "fd", -1);
1167 close(fd);
1168
1169 return 0;
1170 }
1171 #endif
1172
1173 /***********************************************************/
1174 /* QEMU Block devices */
1175
1176 #define HD_OPTS "media=disk"
1177 #define CDROM_OPTS "media=cdrom"
1178 #define FD_OPTS ""
1179 #define PFLASH_OPTS ""
1180 #define MTD_OPTS ""
1181 #define SD_OPTS ""
1182
1183 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1184 {
1185 BlockInterfaceType *block_default_type = opaque;
1186
1187 return drive_new(opts, *block_default_type) == NULL;
1188 }
1189
1190 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1191 {
1192 if (qemu_opt_get(opts, "snapshot") == NULL) {
1193 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1194 }
1195 return 0;
1196 }
1197
1198 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1199 int index, const char *optstr)
1200 {
1201 QemuOpts *opts;
1202 DriveInfo *dinfo;
1203
1204 if (!enable || drive_get_by_index(type, index)) {
1205 return;
1206 }
1207
1208 opts = drive_add(type, index, NULL, optstr);
1209 if (snapshot) {
1210 drive_enable_snapshot(NULL, opts, NULL);
1211 }
1212
1213 dinfo = drive_new(opts, type);
1214 if (!dinfo) {
1215 exit(1);
1216 }
1217 dinfo->is_default = true;
1218
1219 }
1220
1221 static QemuOptsList qemu_smp_opts = {
1222 .name = "smp-opts",
1223 .implied_opt_name = "cpus",
1224 .merge_lists = true,
1225 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1226 .desc = {
1227 {
1228 .name = "cpus",
1229 .type = QEMU_OPT_NUMBER,
1230 }, {
1231 .name = "sockets",
1232 .type = QEMU_OPT_NUMBER,
1233 }, {
1234 .name = "cores",
1235 .type = QEMU_OPT_NUMBER,
1236 }, {
1237 .name = "threads",
1238 .type = QEMU_OPT_NUMBER,
1239 }, {
1240 .name = "maxcpus",
1241 .type = QEMU_OPT_NUMBER,
1242 },
1243 { /*End of list */ }
1244 },
1245 };
1246
1247 static void smp_parse(QemuOpts *opts)
1248 {
1249 if (opts) {
1250 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1251 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1252 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1253 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1254
1255 /* compute missing values, prefer sockets over cores over threads */
1256 if (cpus == 0 || sockets == 0) {
1257 sockets = sockets > 0 ? sockets : 1;
1258 cores = cores > 0 ? cores : 1;
1259 threads = threads > 0 ? threads : 1;
1260 if (cpus == 0) {
1261 cpus = cores * threads * sockets;
1262 }
1263 } else if (cores == 0) {
1264 threads = threads > 0 ? threads : 1;
1265 cores = cpus / (sockets * threads);
1266 cores = cores > 0 ? cores : 1;
1267 } else if (threads == 0) {
1268 threads = cpus / (cores * sockets);
1269 threads = threads > 0 ? threads : 1;
1270 } else if (sockets * cores * threads < cpus) {
1271 error_report("cpu topology: "
1272 "sockets (%u) * cores (%u) * threads (%u) < "
1273 "smp_cpus (%u)",
1274 sockets, cores, threads, cpus);
1275 exit(1);
1276 }
1277
1278 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1279
1280 if (max_cpus < cpus) {
1281 error_report("maxcpus must be equal to or greater than smp");
1282 exit(1);
1283 }
1284
1285 if (sockets * cores * threads > max_cpus) {
1286 error_report("cpu topology: "
1287 "sockets (%u) * cores (%u) * threads (%u) > "
1288 "maxcpus (%u)",
1289 sockets, cores, threads, max_cpus);
1290 exit(1);
1291 }
1292
1293 smp_cpus = cpus;
1294 smp_cores = cores;
1295 smp_threads = threads;
1296 }
1297
1298 if (smp_cpus > 1) {
1299 Error *blocker = NULL;
1300 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1301 replay_add_blocker(blocker);
1302 }
1303 }
1304
1305 static void realtime_init(void)
1306 {
1307 if (enable_mlock) {
1308 if (os_mlock() < 0) {
1309 error_report("locking memory failed");
1310 exit(1);
1311 }
1312 }
1313 }
1314
1315
1316 static void configure_msg(QemuOpts *opts)
1317 {
1318 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1319 }
1320
1321 /***********************************************************/
1322 /* Semihosting */
1323
1324 typedef struct SemihostingConfig {
1325 bool enabled;
1326 SemihostingTarget target;
1327 const char **argv;
1328 int argc;
1329 const char *cmdline; /* concatenated argv */
1330 } SemihostingConfig;
1331
1332 static SemihostingConfig semihosting;
1333
1334 bool semihosting_enabled(void)
1335 {
1336 return semihosting.enabled;
1337 }
1338
1339 SemihostingTarget semihosting_get_target(void)
1340 {
1341 return semihosting.target;
1342 }
1343
1344 const char *semihosting_get_arg(int i)
1345 {
1346 if (i >= semihosting.argc) {
1347 return NULL;
1348 }
1349 return semihosting.argv[i];
1350 }
1351
1352 int semihosting_get_argc(void)
1353 {
1354 return semihosting.argc;
1355 }
1356
1357 const char *semihosting_get_cmdline(void)
1358 {
1359 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1360 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1361 }
1362 return semihosting.cmdline;
1363 }
1364
1365 static int add_semihosting_arg(void *opaque,
1366 const char *name, const char *val,
1367 Error **errp)
1368 {
1369 SemihostingConfig *s = opaque;
1370 if (strcmp(name, "arg") == 0) {
1371 s->argc++;
1372 /* one extra element as g_strjoinv() expects NULL-terminated array */
1373 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1374 s->argv[s->argc - 1] = val;
1375 s->argv[s->argc] = NULL;
1376 }
1377 return 0;
1378 }
1379
1380 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1381 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1382 {
1383 char *cmd_token;
1384
1385 /* argv[0] */
1386 add_semihosting_arg(&semihosting, "arg", file, NULL);
1387
1388 /* split -append and initialize argv[1..n] */
1389 cmd_token = strtok(g_strdup(cmd), " ");
1390 while (cmd_token) {
1391 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1392 cmd_token = strtok(NULL, " ");
1393 }
1394 }
1395
1396 /* Now we still need this for compatibility with XEN. */
1397 bool has_igd_gfx_passthru;
1398 static void igd_gfx_passthru(void)
1399 {
1400 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1401 }
1402
1403 /***********************************************************/
1404 /* USB devices */
1405
1406 static int usb_device_add(const char *devname)
1407 {
1408 USBDevice *dev = NULL;
1409 #ifndef CONFIG_LINUX
1410 const char *p;
1411 #endif
1412
1413 if (!machine_usb(current_machine)) {
1414 return -1;
1415 }
1416
1417 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1418 dev = usbdevice_create(devname);
1419 if (dev)
1420 goto done;
1421
1422 /* the other ones */
1423 #ifndef CONFIG_LINUX
1424 /* only the linux version is qdev-ified, usb-bsd still needs this */
1425 if (strstart(devname, "host:", &p)) {
1426 dev = usb_host_device_open(usb_bus_find(-1), p);
1427 }
1428 #endif
1429 if (!dev)
1430 return -1;
1431
1432 done:
1433 return 0;
1434 }
1435
1436 static int usb_device_del(const char *devname)
1437 {
1438 int bus_num, addr;
1439 const char *p;
1440
1441 if (strstart(devname, "host:", &p)) {
1442 return -1;
1443 }
1444
1445 if (!machine_usb(current_machine)) {
1446 return -1;
1447 }
1448
1449 p = strchr(devname, '.');
1450 if (!p)
1451 return -1;
1452 bus_num = strtoul(devname, NULL, 0);
1453 addr = strtoul(p + 1, NULL, 0);
1454
1455 return usb_device_delete_addr(bus_num, addr);
1456 }
1457
1458 static int usb_parse(const char *cmdline)
1459 {
1460 int r;
1461 r = usb_device_add(cmdline);
1462 if (r < 0) {
1463 error_report("could not add USB device '%s'", cmdline);
1464 }
1465 return r;
1466 }
1467
1468 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1469 {
1470 const char *devname = qdict_get_str(qdict, "devname");
1471 if (usb_device_add(devname) < 0) {
1472 error_report("could not add USB device '%s'", devname);
1473 }
1474 }
1475
1476 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1477 {
1478 const char *devname = qdict_get_str(qdict, "devname");
1479 if (usb_device_del(devname) < 0) {
1480 error_report("could not delete USB device '%s'", devname);
1481 }
1482 }
1483
1484 /***********************************************************/
1485 /* machine registration */
1486
1487 MachineState *current_machine;
1488
1489 static MachineClass *find_machine(const char *name)
1490 {
1491 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1492 MachineClass *mc = NULL;
1493
1494 for (el = machines; el; el = el->next) {
1495 MachineClass *temp = el->data;
1496
1497 if (!strcmp(temp->name, name)) {
1498 mc = temp;
1499 break;
1500 }
1501 if (temp->alias &&
1502 !strcmp(temp->alias, name)) {
1503 mc = temp;
1504 break;
1505 }
1506 }
1507
1508 g_slist_free(machines);
1509 return mc;
1510 }
1511
1512 MachineClass *find_default_machine(void)
1513 {
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineClass *mc = NULL;
1516
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *temp = el->data;
1519
1520 if (temp->is_default) {
1521 mc = temp;
1522 break;
1523 }
1524 }
1525
1526 g_slist_free(machines);
1527 return mc;
1528 }
1529
1530 MachineInfoList *qmp_query_machines(Error **errp)
1531 {
1532 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1533 MachineInfoList *mach_list = NULL;
1534
1535 for (el = machines; el; el = el->next) {
1536 MachineClass *mc = el->data;
1537 MachineInfoList *entry;
1538 MachineInfo *info;
1539
1540 info = g_malloc0(sizeof(*info));
1541 if (mc->is_default) {
1542 info->has_is_default = true;
1543 info->is_default = true;
1544 }
1545
1546 if (mc->alias) {
1547 info->has_alias = true;
1548 info->alias = g_strdup(mc->alias);
1549 }
1550
1551 info->name = g_strdup(mc->name);
1552 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1553 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1554
1555 entry = g_malloc0(sizeof(*entry));
1556 entry->value = info;
1557 entry->next = mach_list;
1558 mach_list = entry;
1559 }
1560
1561 g_slist_free(machines);
1562 return mach_list;
1563 }
1564
1565 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1566 {
1567 ObjectProperty *prop;
1568 ObjectPropertyIterator iter;
1569
1570 if (!qemu_opt_has_help_opt(opts)) {
1571 return 0;
1572 }
1573
1574 object_property_iter_init(&iter, OBJECT(machine));
1575 while ((prop = object_property_iter_next(&iter))) {
1576 if (!prop->set) {
1577 continue;
1578 }
1579
1580 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1581 prop->name, prop->type);
1582 if (prop->description) {
1583 error_printf(" (%s)\n", prop->description);
1584 } else {
1585 error_printf("\n");
1586 }
1587 }
1588
1589 return 1;
1590 }
1591
1592 /***********************************************************/
1593 /* main execution loop */
1594
1595 struct vm_change_state_entry {
1596 VMChangeStateHandler *cb;
1597 void *opaque;
1598 QLIST_ENTRY (vm_change_state_entry) entries;
1599 };
1600
1601 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1602
1603 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1604 void *opaque)
1605 {
1606 VMChangeStateEntry *e;
1607
1608 e = g_malloc0(sizeof (*e));
1609
1610 e->cb = cb;
1611 e->opaque = opaque;
1612 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1613 return e;
1614 }
1615
1616 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1617 {
1618 QLIST_REMOVE (e, entries);
1619 g_free (e);
1620 }
1621
1622 void vm_state_notify(int running, RunState state)
1623 {
1624 VMChangeStateEntry *e, *next;
1625
1626 trace_vm_state_notify(running, state);
1627
1628 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1629 e->cb(e->opaque, running, state);
1630 }
1631 }
1632
1633 static int reset_requested;
1634 static int shutdown_requested, shutdown_signal = -1;
1635 static pid_t shutdown_pid;
1636 static int powerdown_requested;
1637 static int debug_requested;
1638 static int suspend_requested;
1639 static WakeupReason wakeup_reason;
1640 static NotifierList powerdown_notifiers =
1641 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1642 static NotifierList suspend_notifiers =
1643 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1644 static NotifierList wakeup_notifiers =
1645 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1646 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1647
1648 int qemu_shutdown_requested_get(void)
1649 {
1650 return shutdown_requested;
1651 }
1652
1653 int qemu_reset_requested_get(void)
1654 {
1655 return reset_requested;
1656 }
1657
1658 static int qemu_shutdown_requested(void)
1659 {
1660 return atomic_xchg(&shutdown_requested, 0);
1661 }
1662
1663 static void qemu_kill_report(void)
1664 {
1665 if (!qtest_driver() && shutdown_signal != -1) {
1666 if (shutdown_pid == 0) {
1667 /* This happens for eg ^C at the terminal, so it's worth
1668 * avoiding printing an odd message in that case.
1669 */
1670 error_report("terminating on signal %d", shutdown_signal);
1671 } else {
1672 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1673
1674 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1675 shutdown_signal, shutdown_pid,
1676 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1677 g_free(shutdown_cmd);
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_system_reset(bool report)
1723 {
1724 MachineClass *mc;
1725
1726 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1727
1728 cpu_synchronize_all_states();
1729
1730 if (mc && mc->reset) {
1731 mc->reset();
1732 } else {
1733 qemu_devices_reset();
1734 }
1735 if (report) {
1736 qapi_event_send_reset(&error_abort);
1737 }
1738 cpu_synchronize_all_post_reset();
1739 }
1740
1741 void qemu_system_guest_panicked(void)
1742 {
1743 if (current_cpu) {
1744 current_cpu->crash_occurred = true;
1745 }
1746 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1747 vm_stop(RUN_STATE_GUEST_PANICKED);
1748 if (!no_shutdown) {
1749 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1750 &error_abort);
1751 qemu_system_shutdown_request();
1752 }
1753 }
1754
1755 void qemu_system_reset_request(void)
1756 {
1757 if (no_reboot) {
1758 shutdown_requested = 1;
1759 } else {
1760 reset_requested = 1;
1761 }
1762 cpu_stop_current();
1763 qemu_notify_event();
1764 }
1765
1766 static void qemu_system_suspend(void)
1767 {
1768 pause_all_vcpus();
1769 notifier_list_notify(&suspend_notifiers, NULL);
1770 runstate_set(RUN_STATE_SUSPENDED);
1771 qapi_event_send_suspend(&error_abort);
1772 }
1773
1774 void qemu_system_suspend_request(void)
1775 {
1776 if (runstate_check(RUN_STATE_SUSPENDED)) {
1777 return;
1778 }
1779 suspend_requested = 1;
1780 cpu_stop_current();
1781 qemu_notify_event();
1782 }
1783
1784 void qemu_register_suspend_notifier(Notifier *notifier)
1785 {
1786 notifier_list_add(&suspend_notifiers, notifier);
1787 }
1788
1789 void qemu_system_wakeup_request(WakeupReason reason)
1790 {
1791 trace_system_wakeup_request(reason);
1792
1793 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1794 return;
1795 }
1796 if (!(wakeup_reason_mask & (1 << reason))) {
1797 return;
1798 }
1799 runstate_set(RUN_STATE_RUNNING);
1800 wakeup_reason = reason;
1801 qemu_notify_event();
1802 }
1803
1804 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1805 {
1806 if (enabled) {
1807 wakeup_reason_mask |= (1 << reason);
1808 } else {
1809 wakeup_reason_mask &= ~(1 << reason);
1810 }
1811 }
1812
1813 void qemu_register_wakeup_notifier(Notifier *notifier)
1814 {
1815 notifier_list_add(&wakeup_notifiers, notifier);
1816 }
1817
1818 void qemu_system_killed(int signal, pid_t pid)
1819 {
1820 shutdown_signal = signal;
1821 shutdown_pid = pid;
1822 no_shutdown = 0;
1823
1824 /* Cannot call qemu_system_shutdown_request directly because
1825 * we are in a signal handler.
1826 */
1827 shutdown_requested = 1;
1828 qemu_notify_event();
1829 }
1830
1831 void qemu_system_shutdown_request(void)
1832 {
1833 trace_qemu_system_shutdown_request();
1834 replay_shutdown_request();
1835 shutdown_requested = 1;
1836 qemu_notify_event();
1837 }
1838
1839 static void qemu_system_powerdown(void)
1840 {
1841 qapi_event_send_powerdown(&error_abort);
1842 notifier_list_notify(&powerdown_notifiers, NULL);
1843 }
1844
1845 void qemu_system_powerdown_request(void)
1846 {
1847 trace_qemu_system_powerdown_request();
1848 powerdown_requested = 1;
1849 qemu_notify_event();
1850 }
1851
1852 void qemu_register_powerdown_notifier(Notifier *notifier)
1853 {
1854 notifier_list_add(&powerdown_notifiers, notifier);
1855 }
1856
1857 void qemu_system_debug_request(void)
1858 {
1859 debug_requested = 1;
1860 qemu_notify_event();
1861 }
1862
1863 static bool main_loop_should_exit(void)
1864 {
1865 RunState r;
1866 if (qemu_debug_requested()) {
1867 vm_stop(RUN_STATE_DEBUG);
1868 }
1869 if (qemu_suspend_requested()) {
1870 qemu_system_suspend();
1871 }
1872 if (qemu_shutdown_requested()) {
1873 qemu_kill_report();
1874 qapi_event_send_shutdown(&error_abort);
1875 if (no_shutdown) {
1876 vm_stop(RUN_STATE_SHUTDOWN);
1877 } else {
1878 return true;
1879 }
1880 }
1881 if (qemu_reset_requested()) {
1882 pause_all_vcpus();
1883 qemu_system_reset(VMRESET_REPORT);
1884 resume_all_vcpus();
1885 if (!runstate_check(RUN_STATE_RUNNING) &&
1886 !runstate_check(RUN_STATE_INMIGRATE)) {
1887 runstate_set(RUN_STATE_PRELAUNCH);
1888 }
1889 }
1890 if (qemu_wakeup_requested()) {
1891 pause_all_vcpus();
1892 qemu_system_reset(VMRESET_SILENT);
1893 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1894 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1895 resume_all_vcpus();
1896 qapi_event_send_wakeup(&error_abort);
1897 }
1898 if (qemu_powerdown_requested()) {
1899 qemu_system_powerdown();
1900 }
1901 if (qemu_vmstop_requested(&r)) {
1902 vm_stop(r);
1903 }
1904 return false;
1905 }
1906
1907 static void main_loop(void)
1908 {
1909 bool nonblocking;
1910 int last_io = 0;
1911 #ifdef CONFIG_PROFILER
1912 int64_t ti;
1913 #endif
1914 do {
1915 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1916 #ifdef CONFIG_PROFILER
1917 ti = profile_getclock();
1918 #endif
1919 last_io = main_loop_wait(nonblocking);
1920 #ifdef CONFIG_PROFILER
1921 dev_time += profile_getclock() - ti;
1922 #endif
1923 } while (!main_loop_should_exit());
1924 }
1925
1926 static void version(void)
1927 {
1928 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1929 QEMU_COPYRIGHT "\n");
1930 }
1931
1932 static void help(int exitcode)
1933 {
1934 version();
1935 printf("usage: %s [options] [disk_image]\n\n"
1936 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1937 error_get_progname());
1938
1939 #define QEMU_OPTIONS_GENERATE_HELP
1940 #include "qemu-options-wrapper.h"
1941
1942 printf("\nDuring emulation, the following keys are useful:\n"
1943 "ctrl-alt-f toggle full screen\n"
1944 "ctrl-alt-n switch to virtual console 'n'\n"
1945 "ctrl-alt toggle mouse and keyboard grab\n"
1946 "\n"
1947 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1948
1949 exit(exitcode);
1950 }
1951
1952 #define HAS_ARG 0x0001
1953
1954 typedef struct QEMUOption {
1955 const char *name;
1956 int flags;
1957 int index;
1958 uint32_t arch_mask;
1959 } QEMUOption;
1960
1961 static const QEMUOption qemu_options[] = {
1962 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1963 #define QEMU_OPTIONS_GENERATE_OPTIONS
1964 #include "qemu-options-wrapper.h"
1965 { NULL },
1966 };
1967
1968 typedef struct VGAInterfaceInfo {
1969 const char *opt_name; /* option name */
1970 const char *name; /* human-readable name */
1971 /* Class names indicating that support is available.
1972 * If no class is specified, the interface is always available */
1973 const char *class_names[2];
1974 } VGAInterfaceInfo;
1975
1976 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1977 [VGA_NONE] = {
1978 .opt_name = "none",
1979 },
1980 [VGA_STD] = {
1981 .opt_name = "std",
1982 .name = "standard VGA",
1983 .class_names = { "VGA", "isa-vga" },
1984 },
1985 [VGA_CIRRUS] = {
1986 .opt_name = "cirrus",
1987 .name = "Cirrus VGA",
1988 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1989 },
1990 [VGA_VMWARE] = {
1991 .opt_name = "vmware",
1992 .name = "VMWare SVGA",
1993 .class_names = { "vmware-svga" },
1994 },
1995 [VGA_VIRTIO] = {
1996 .opt_name = "virtio",
1997 .name = "Virtio VGA",
1998 .class_names = { "virtio-vga" },
1999 },
2000 [VGA_QXL] = {
2001 .opt_name = "qxl",
2002 .name = "QXL VGA",
2003 .class_names = { "qxl-vga" },
2004 },
2005 [VGA_TCX] = {
2006 .opt_name = "tcx",
2007 .name = "TCX framebuffer",
2008 .class_names = { "SUNW,tcx" },
2009 },
2010 [VGA_CG3] = {
2011 .opt_name = "cg3",
2012 .name = "CG3 framebuffer",
2013 .class_names = { "cgthree" },
2014 },
2015 [VGA_XENFB] = {
2016 .opt_name = "xenfb",
2017 },
2018 };
2019
2020 static bool vga_interface_available(VGAInterfaceType t)
2021 {
2022 VGAInterfaceInfo *ti = &vga_interfaces[t];
2023
2024 assert(t < VGA_TYPE_MAX);
2025 return !ti->class_names[0] ||
2026 object_class_by_name(ti->class_names[0]) ||
2027 object_class_by_name(ti->class_names[1]);
2028 }
2029
2030 static void select_vgahw(const char *p)
2031 {
2032 const char *opts;
2033 int t;
2034
2035 assert(vga_interface_type == VGA_NONE);
2036 for (t = 0; t < VGA_TYPE_MAX; t++) {
2037 VGAInterfaceInfo *ti = &vga_interfaces[t];
2038 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2039 if (!vga_interface_available(t)) {
2040 error_report("%s not available", ti->name);
2041 exit(1);
2042 }
2043 vga_interface_type = t;
2044 break;
2045 }
2046 }
2047 if (t == VGA_TYPE_MAX) {
2048 invalid_vga:
2049 error_report("unknown vga type: %s", p);
2050 exit(1);
2051 }
2052 while (*opts) {
2053 const char *nextopt;
2054
2055 if (strstart(opts, ",retrace=", &nextopt)) {
2056 opts = nextopt;
2057 if (strstart(opts, "dumb", &nextopt))
2058 vga_retrace_method = VGA_RETRACE_DUMB;
2059 else if (strstart(opts, "precise", &nextopt))
2060 vga_retrace_method = VGA_RETRACE_PRECISE;
2061 else goto invalid_vga;
2062 } else goto invalid_vga;
2063 opts = nextopt;
2064 }
2065 }
2066
2067 typedef enum DisplayType {
2068 DT_DEFAULT,
2069 DT_CURSES,
2070 DT_SDL,
2071 DT_COCOA,
2072 DT_GTK,
2073 DT_NONE,
2074 } DisplayType;
2075
2076 static DisplayType select_display(const char *p)
2077 {
2078 const char *opts;
2079 DisplayType display = DT_DEFAULT;
2080
2081 if (strstart(p, "sdl", &opts)) {
2082 #ifdef CONFIG_SDL
2083 display = DT_SDL;
2084 while (*opts) {
2085 const char *nextopt;
2086
2087 if (strstart(opts, ",frame=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 no_frame = 0;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 no_frame = 1;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 alt_grab = 1;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 alt_grab = 0;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 ctrl_grab = 1;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 ctrl_grab = 0;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",window_close=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 no_quit = 0;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 no_quit = 1;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",gl=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 request_opengl = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 request_opengl = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else {
2133 invalid_sdl_args:
2134 error_report("invalid SDL option string");
2135 exit(1);
2136 }
2137 opts = nextopt;
2138 }
2139 #else
2140 error_report("SDL support is disabled");
2141 exit(1);
2142 #endif
2143 } else if (strstart(p, "vnc", &opts)) {
2144 if (*opts == '=') {
2145 vnc_parse(opts + 1, &error_fatal);
2146 } else {
2147 error_report("VNC requires a display argument vnc=<display>");
2148 exit(1);
2149 }
2150 } else if (strstart(p, "curses", &opts)) {
2151 #ifdef CONFIG_CURSES
2152 display = DT_CURSES;
2153 #else
2154 error_report("curses support is disabled");
2155 exit(1);
2156 #endif
2157 } else if (strstart(p, "gtk", &opts)) {
2158 #ifdef CONFIG_GTK
2159 display = DT_GTK;
2160 while (*opts) {
2161 const char *nextopt;
2162
2163 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2164 opts = nextopt;
2165 if (strstart(opts, "on", &nextopt)) {
2166 grab_on_hover = true;
2167 } else if (strstart(opts, "off", &nextopt)) {
2168 grab_on_hover = false;
2169 } else {
2170 goto invalid_gtk_args;
2171 }
2172 } else if (strstart(opts, ",gl=", &nextopt)) {
2173 opts = nextopt;
2174 if (strstart(opts, "on", &nextopt)) {
2175 request_opengl = 1;
2176 } else if (strstart(opts, "off", &nextopt)) {
2177 request_opengl = 0;
2178 } else {
2179 goto invalid_gtk_args;
2180 }
2181 } else {
2182 invalid_gtk_args:
2183 error_report("invalid GTK option string");
2184 exit(1);
2185 }
2186 opts = nextopt;
2187 }
2188 #else
2189 error_report("GTK support is disabled");
2190 exit(1);
2191 #endif
2192 } else if (strstart(p, "none", &opts)) {
2193 display = DT_NONE;
2194 } else {
2195 error_report("unknown display type");
2196 exit(1);
2197 }
2198
2199 return display;
2200 }
2201
2202 static int balloon_parse(const char *arg)
2203 {
2204 QemuOpts *opts;
2205
2206 if (strcmp(arg, "none") == 0) {
2207 return 0;
2208 }
2209
2210 if (!strncmp(arg, "virtio", 6)) {
2211 if (arg[6] == ',') {
2212 /* have params -> parse them */
2213 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2214 false);
2215 if (!opts)
2216 return -1;
2217 } else {
2218 /* create empty opts */
2219 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2220 &error_abort);
2221 }
2222 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2223 return 0;
2224 }
2225
2226 return -1;
2227 }
2228
2229 char *qemu_find_file(int type, const char *name)
2230 {
2231 int i;
2232 const char *subdir;
2233 char *buf;
2234
2235 /* Try the name as a straight path first */
2236 if (access(name, R_OK) == 0) {
2237 trace_load_file(name, name);
2238 return g_strdup(name);
2239 }
2240
2241 switch (type) {
2242 case QEMU_FILE_TYPE_BIOS:
2243 subdir = "";
2244 break;
2245 case QEMU_FILE_TYPE_KEYMAP:
2246 subdir = "keymaps/";
2247 break;
2248 default:
2249 abort();
2250 }
2251
2252 for (i = 0; i < data_dir_idx; i++) {
2253 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2254 if (access(buf, R_OK) == 0) {
2255 trace_load_file(name, buf);
2256 return buf;
2257 }
2258 g_free(buf);
2259 }
2260 return NULL;
2261 }
2262
2263 static inline bool nonempty_str(const char *str)
2264 {
2265 return str && *str;
2266 }
2267
2268 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2269 {
2270 gchar *buf;
2271 size_t size;
2272 const char *name, *file, *str;
2273 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2274
2275 if (fw_cfg == NULL) {
2276 error_report("fw_cfg device not available");
2277 return -1;
2278 }
2279 name = qemu_opt_get(opts, "name");
2280 file = qemu_opt_get(opts, "file");
2281 str = qemu_opt_get(opts, "string");
2282
2283 /* we need name and either a file or the content string */
2284 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2285 error_report("invalid argument(s)");
2286 return -1;
2287 }
2288 if (nonempty_str(file) && nonempty_str(str)) {
2289 error_report("file and string are mutually exclusive");
2290 return -1;
2291 }
2292 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2293 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2294 return -1;
2295 }
2296 if (strncmp(name, "opt/", 4) != 0) {
2297 error_report("warning: externally provided fw_cfg item names "
2298 "should be prefixed with \"opt/\"");
2299 }
2300 if (nonempty_str(str)) {
2301 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2302 buf = g_memdup(str, size);
2303 } else {
2304 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2305 error_report("can't load %s", file);
2306 return -1;
2307 }
2308 }
2309 /* For legacy, keep user files in a specific global order. */
2310 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2311 fw_cfg_add_file(fw_cfg, name, buf, size);
2312 fw_cfg_reset_order_override(fw_cfg);
2313 return 0;
2314 }
2315
2316 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2317 {
2318 return qdev_device_help(opts);
2319 }
2320
2321 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2322 {
2323 Error *err = NULL;
2324 DeviceState *dev;
2325
2326 dev = qdev_device_add(opts, &err);
2327 if (!dev) {
2328 error_report_err(err);
2329 return -1;
2330 }
2331 object_unref(OBJECT(dev));
2332 return 0;
2333 }
2334
2335 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2336 {
2337 Error *local_err = NULL;
2338
2339 qemu_chr_new_from_opts(opts, &local_err);
2340 if (local_err) {
2341 error_report_err(local_err);
2342 return -1;
2343 }
2344 return 0;
2345 }
2346
2347 #ifdef CONFIG_VIRTFS
2348 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2349 {
2350 return qemu_fsdev_add(opts);
2351 }
2352 #endif
2353
2354 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2355 {
2356 CharDriverState *chr;
2357 const char *chardev;
2358 const char *mode;
2359 int flags;
2360
2361 mode = qemu_opt_get(opts, "mode");
2362 if (mode == NULL) {
2363 mode = "readline";
2364 }
2365 if (strcmp(mode, "readline") == 0) {
2366 flags = MONITOR_USE_READLINE;
2367 } else if (strcmp(mode, "control") == 0) {
2368 flags = MONITOR_USE_CONTROL;
2369 } else {
2370 error_report("unknown monitor mode \"%s\"", mode);
2371 exit(1);
2372 }
2373
2374 if (qemu_opt_get_bool(opts, "pretty", 0))
2375 flags |= MONITOR_USE_PRETTY;
2376
2377 if (qemu_opt_get_bool(opts, "default", 0)) {
2378 error_report("option 'default' does nothing and is deprecated");
2379 }
2380
2381 chardev = qemu_opt_get(opts, "chardev");
2382 chr = qemu_chr_find(chardev);
2383 if (chr == NULL) {
2384 error_report("chardev \"%s\" not found", chardev);
2385 exit(1);
2386 }
2387
2388 monitor_init(chr, flags);
2389 return 0;
2390 }
2391
2392 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2393 {
2394 static int monitor_device_index = 0;
2395 QemuOpts *opts;
2396 const char *p;
2397 char label[32];
2398
2399 if (strstart(optarg, "chardev:", &p)) {
2400 snprintf(label, sizeof(label), "%s", p);
2401 } else {
2402 snprintf(label, sizeof(label), "compat_monitor%d",
2403 monitor_device_index);
2404 opts = qemu_chr_parse_compat(label, optarg);
2405 if (!opts) {
2406 error_report("parse error: %s", optarg);
2407 exit(1);
2408 }
2409 }
2410
2411 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2412 qemu_opt_set(opts, "mode", mode, &error_abort);
2413 qemu_opt_set(opts, "chardev", label, &error_abort);
2414 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2415 monitor_device_index++;
2416 }
2417
2418 struct device_config {
2419 enum {
2420 DEV_USB, /* -usbdevice */
2421 DEV_BT, /* -bt */
2422 DEV_SERIAL, /* -serial */
2423 DEV_PARALLEL, /* -parallel */
2424 DEV_VIRTCON, /* -virtioconsole */
2425 DEV_DEBUGCON, /* -debugcon */
2426 DEV_GDB, /* -gdb, -s */
2427 DEV_SCLP, /* s390 sclp */
2428 } type;
2429 const char *cmdline;
2430 Location loc;
2431 QTAILQ_ENTRY(device_config) next;
2432 };
2433
2434 static QTAILQ_HEAD(, device_config) device_configs =
2435 QTAILQ_HEAD_INITIALIZER(device_configs);
2436
2437 static void add_device_config(int type, const char *cmdline)
2438 {
2439 struct device_config *conf;
2440
2441 conf = g_malloc0(sizeof(*conf));
2442 conf->type = type;
2443 conf->cmdline = cmdline;
2444 loc_save(&conf->loc);
2445 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2446 }
2447
2448 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2449 {
2450 struct device_config *conf;
2451 int rc;
2452
2453 QTAILQ_FOREACH(conf, &device_configs, next) {
2454 if (conf->type != type)
2455 continue;
2456 loc_push_restore(&conf->loc);
2457 rc = func(conf->cmdline);
2458 loc_pop(&conf->loc);
2459 if (rc) {
2460 return rc;
2461 }
2462 }
2463 return 0;
2464 }
2465
2466 static int serial_parse(const char *devname)
2467 {
2468 static int index = 0;
2469 char label[32];
2470
2471 if (strcmp(devname, "none") == 0)
2472 return 0;
2473 if (index == MAX_SERIAL_PORTS) {
2474 error_report("too many serial ports");
2475 exit(1);
2476 }
2477 snprintf(label, sizeof(label), "serial%d", index);
2478 serial_hds[index] = qemu_chr_new(label, devname);
2479 if (!serial_hds[index]) {
2480 error_report("could not connect serial device"
2481 " to character backend '%s'", devname);
2482 return -1;
2483 }
2484 index++;
2485 return 0;
2486 }
2487
2488 static int parallel_parse(const char *devname)
2489 {
2490 static int index = 0;
2491 char label[32];
2492
2493 if (strcmp(devname, "none") == 0)
2494 return 0;
2495 if (index == MAX_PARALLEL_PORTS) {
2496 error_report("too many parallel ports");
2497 exit(1);
2498 }
2499 snprintf(label, sizeof(label), "parallel%d", index);
2500 parallel_hds[index] = qemu_chr_new(label, devname);
2501 if (!parallel_hds[index]) {
2502 error_report("could not connect parallel device"
2503 " to character backend '%s'", devname);
2504 return -1;
2505 }
2506 index++;
2507 return 0;
2508 }
2509
2510 static int virtcon_parse(const char *devname)
2511 {
2512 QemuOptsList *device = qemu_find_opts("device");
2513 static int index = 0;
2514 char label[32];
2515 QemuOpts *bus_opts, *dev_opts;
2516
2517 if (strcmp(devname, "none") == 0)
2518 return 0;
2519 if (index == MAX_VIRTIO_CONSOLES) {
2520 error_report("too many virtio consoles");
2521 exit(1);
2522 }
2523
2524 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2525 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2526
2527 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2528 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2529
2530 snprintf(label, sizeof(label), "virtcon%d", index);
2531 virtcon_hds[index] = qemu_chr_new(label, devname);
2532 if (!virtcon_hds[index]) {
2533 error_report("could not connect virtio console"
2534 " to character backend '%s'", devname);
2535 return -1;
2536 }
2537 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2538
2539 index++;
2540 return 0;
2541 }
2542
2543 static int sclp_parse(const char *devname)
2544 {
2545 QemuOptsList *device = qemu_find_opts("device");
2546 static int index = 0;
2547 char label[32];
2548 QemuOpts *dev_opts;
2549
2550 if (strcmp(devname, "none") == 0) {
2551 return 0;
2552 }
2553 if (index == MAX_SCLP_CONSOLES) {
2554 error_report("too many sclp consoles");
2555 exit(1);
2556 }
2557
2558 assert(arch_type == QEMU_ARCH_S390X);
2559
2560 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2561 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2562
2563 snprintf(label, sizeof(label), "sclpcon%d", index);
2564 sclp_hds[index] = qemu_chr_new(label, devname);
2565 if (!sclp_hds[index]) {
2566 error_report("could not connect sclp 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 debugcon_parse(const char *devname)
2577 {
2578 QemuOpts *opts;
2579
2580 if (!qemu_chr_new("debugcon", devname)) {
2581 exit(1);
2582 }
2583 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2584 if (!opts) {
2585 error_report("already have a debugcon device");
2586 exit(1);
2587 }
2588 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2589 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2590 return 0;
2591 }
2592
2593 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2594 {
2595 const MachineClass *mc1 = a, *mc2 = b;
2596 int res;
2597
2598 if (mc1->family == NULL) {
2599 if (mc2->family == NULL) {
2600 /* Compare standalone machine types against each other; they sort
2601 * in increasing order.
2602 */
2603 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2604 object_class_get_name(OBJECT_CLASS(mc2)));
2605 }
2606
2607 /* Standalone machine types sort after families. */
2608 return 1;
2609 }
2610
2611 if (mc2->family == NULL) {
2612 /* Families sort before standalone machine types. */
2613 return -1;
2614 }
2615
2616 /* Families sort between each other alphabetically increasingly. */
2617 res = strcmp(mc1->family, mc2->family);
2618 if (res != 0) {
2619 return res;
2620 }
2621
2622 /* Within the same family, machine types sort in decreasing order. */
2623 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2624 object_class_get_name(OBJECT_CLASS(mc1)));
2625 }
2626
2627 static MachineClass *machine_parse(const char *name)
2628 {
2629 MachineClass *mc = NULL;
2630 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2631
2632 if (name) {
2633 mc = find_machine(name);
2634 }
2635 if (mc) {
2636 g_slist_free(machines);
2637 return mc;
2638 }
2639 if (name && !is_help_option(name)) {
2640 error_report("unsupported machine type");
2641 error_printf("Use -machine help to list supported machines\n");
2642 } else {
2643 printf("Supported machines are:\n");
2644 machines = g_slist_sort(machines, machine_class_cmp);
2645 for (el = machines; el; el = el->next) {
2646 MachineClass *mc = el->data;
2647 if (mc->alias) {
2648 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2649 }
2650 printf("%-20s %s%s\n", mc->name, mc->desc,
2651 mc->is_default ? " (default)" : "");
2652 }
2653 }
2654
2655 g_slist_free(machines);
2656 exit(!name || !is_help_option(name));
2657 }
2658
2659 void qemu_add_exit_notifier(Notifier *notify)
2660 {
2661 notifier_list_add(&exit_notifiers, notify);
2662 }
2663
2664 void qemu_remove_exit_notifier(Notifier *notify)
2665 {
2666 notifier_remove(notify);
2667 }
2668
2669 static void qemu_run_exit_notifiers(void)
2670 {
2671 notifier_list_notify(&exit_notifiers, NULL);
2672 }
2673
2674 static bool machine_init_done;
2675
2676 void qemu_add_machine_init_done_notifier(Notifier *notify)
2677 {
2678 notifier_list_add(&machine_init_done_notifiers, notify);
2679 if (machine_init_done) {
2680 notify->notify(notify, NULL);
2681 }
2682 }
2683
2684 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2685 {
2686 notifier_remove(notify);
2687 }
2688
2689 static void qemu_run_machine_init_done_notifiers(void)
2690 {
2691 notifier_list_notify(&machine_init_done_notifiers, NULL);
2692 machine_init_done = true;
2693 }
2694
2695 static const QEMUOption *lookup_opt(int argc, char **argv,
2696 const char **poptarg, int *poptind)
2697 {
2698 const QEMUOption *popt;
2699 int optind = *poptind;
2700 char *r = argv[optind];
2701 const char *optarg;
2702
2703 loc_set_cmdline(argv, optind, 1);
2704 optind++;
2705 /* Treat --foo the same as -foo. */
2706 if (r[1] == '-')
2707 r++;
2708 popt = qemu_options;
2709 for(;;) {
2710 if (!popt->name) {
2711 error_report("invalid option");
2712 exit(1);
2713 }
2714 if (!strcmp(popt->name, r + 1))
2715 break;
2716 popt++;
2717 }
2718 if (popt->flags & HAS_ARG) {
2719 if (optind >= argc) {
2720 error_report("requires an argument");
2721 exit(1);
2722 }
2723 optarg = argv[optind++];
2724 loc_set_cmdline(argv, optind - 2, 2);
2725 } else {
2726 optarg = NULL;
2727 }
2728
2729 *poptarg = optarg;
2730 *poptind = optind;
2731
2732 return popt;
2733 }
2734
2735 static MachineClass *select_machine(void)
2736 {
2737 MachineClass *machine_class = find_default_machine();
2738 const char *optarg;
2739 QemuOpts *opts;
2740 Location loc;
2741
2742 loc_push_none(&loc);
2743
2744 opts = qemu_get_machine_opts();
2745 qemu_opts_loc_restore(opts);
2746
2747 optarg = qemu_opt_get(opts, "type");
2748 if (optarg) {
2749 machine_class = machine_parse(optarg);
2750 }
2751
2752 if (!machine_class) {
2753 error_report("No machine specified, and there is no default");
2754 error_printf("Use -machine help to list supported machines\n");
2755 exit(1);
2756 }
2757
2758 loc_pop(&loc);
2759 return machine_class;
2760 }
2761
2762 static int machine_set_property(void *opaque,
2763 const char *name, const char *value,
2764 Error **errp)
2765 {
2766 Object *obj = OBJECT(opaque);
2767 Error *local_err = NULL;
2768 char *p, *qom_name;
2769
2770 if (strcmp(name, "type") == 0) {
2771 return 0;
2772 }
2773
2774 qom_name = g_strdup(name);
2775 for (p = qom_name; *p; p++) {
2776 if (*p == '_') {
2777 *p = '-';
2778 }
2779 }
2780
2781 object_property_parse(obj, value, qom_name, &local_err);
2782 g_free(qom_name);
2783
2784 if (local_err) {
2785 error_report_err(local_err);
2786 return -1;
2787 }
2788
2789 return 0;
2790 }
2791
2792
2793 /*
2794 * Initial object creation happens before all other
2795 * QEMU data types are created. The majority of objects
2796 * can be created at this point. The rng-egd object
2797 * cannot be created here, as it depends on the chardev
2798 * already existing.
2799 */
2800 static bool object_create_initial(const char *type)
2801 {
2802 if (g_str_equal(type, "rng-egd")) {
2803 return false;
2804 }
2805
2806 /*
2807 * return false for concrete netfilters since
2808 * they depend on netdevs already existing
2809 */
2810 if (g_str_equal(type, "filter-buffer") ||
2811 g_str_equal(type, "filter-dump") ||
2812 g_str_equal(type, "filter-mirror") ||
2813 g_str_equal(type, "filter-redirector") ||
2814 g_str_equal(type, "colo-compare") ||
2815 g_str_equal(type, "filter-rewriter") ||
2816 g_str_equal(type, "filter-replay")) {
2817 return false;
2818 }
2819
2820 /* Memory allocation by backends needs to be done
2821 * after configure_accelerator() (due to the tcg_enabled()
2822 * checks at memory_region_init_*()).
2823 *
2824 * Also, allocation of large amounts of memory may delay
2825 * chardev initialization for too long, and trigger timeouts
2826 * on software that waits for a monitor socket to be created
2827 * (e.g. libvirt).
2828 */
2829 if (g_str_has_prefix(type, "memory-backend-")) {
2830 return false;
2831 }
2832
2833 return true;
2834 }
2835
2836
2837 /*
2838 * The remainder of object creation happens after the
2839 * creation of chardev, fsdev, net clients and device data types.
2840 */
2841 static bool object_create_delayed(const char *type)
2842 {
2843 return !object_create_initial(type);
2844 }
2845
2846
2847 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2848 MachineClass *mc)
2849 {
2850 uint64_t sz;
2851 const char *mem_str;
2852 const char *maxmem_str, *slots_str;
2853 const ram_addr_t default_ram_size = mc->default_ram_size;
2854 QemuOpts *opts = qemu_find_opts_singleton("memory");
2855 Location loc;
2856
2857 loc_push_none(&loc);
2858 qemu_opts_loc_restore(opts);
2859
2860 sz = 0;
2861 mem_str = qemu_opt_get(opts, "size");
2862 if (mem_str) {
2863 if (!*mem_str) {
2864 error_report("missing 'size' option value");
2865 exit(EXIT_FAILURE);
2866 }
2867
2868 sz = qemu_opt_get_size(opts, "size", ram_size);
2869
2870 /* Fix up legacy suffix-less format */
2871 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2872 uint64_t overflow_check = sz;
2873
2874 sz <<= 20;
2875 if ((sz >> 20) != overflow_check) {
2876 error_report("too large 'size' option value");
2877 exit(EXIT_FAILURE);
2878 }
2879 }
2880 }
2881
2882 /* backward compatibility behaviour for case "-m 0" */
2883 if (sz == 0) {
2884 sz = default_ram_size;
2885 }
2886
2887 sz = QEMU_ALIGN_UP(sz, 8192);
2888 ram_size = sz;
2889 if (ram_size != sz) {
2890 error_report("ram size too large");
2891 exit(EXIT_FAILURE);
2892 }
2893
2894 /* store value for the future use */
2895 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2896 *maxram_size = ram_size;
2897
2898 maxmem_str = qemu_opt_get(opts, "maxmem");
2899 slots_str = qemu_opt_get(opts, "slots");
2900 if (maxmem_str && slots_str) {
2901 uint64_t slots;
2902
2903 sz = qemu_opt_get_size(opts, "maxmem", 0);
2904 slots = qemu_opt_get_number(opts, "slots", 0);
2905 if (sz < ram_size) {
2906 error_report("invalid value of -m option maxmem: "
2907 "maximum memory size (0x%" PRIx64 ") must be at least "
2908 "the initial memory size (0x" RAM_ADDR_FMT ")",
2909 sz, ram_size);
2910 exit(EXIT_FAILURE);
2911 } else if (sz > ram_size) {
2912 if (!slots) {
2913 error_report("invalid value of -m option: maxmem was "
2914 "specified, but no hotplug slots were specified");
2915 exit(EXIT_FAILURE);
2916 }
2917 } else if (slots) {
2918 error_report("invalid value of -m option maxmem: "
2919 "memory slots were specified but maximum memory size "
2920 "(0x%" PRIx64 ") is equal to the initial memory size "
2921 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2922 exit(EXIT_FAILURE);
2923 }
2924
2925 *maxram_size = sz;
2926 *ram_slots = slots;
2927 } else if ((!maxmem_str && slots_str) ||
2928 (maxmem_str && !slots_str)) {
2929 error_report("invalid -m option value: missing "
2930 "'%s' option", slots_str ? "maxmem" : "slots");
2931 exit(EXIT_FAILURE);
2932 }
2933
2934 loc_pop(&loc);
2935 }
2936
2937 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2938 {
2939 GlobalProperty *g;
2940
2941 g = g_malloc0(sizeof(*g));
2942 g->driver = qemu_opt_get(opts, "driver");
2943 g->property = qemu_opt_get(opts, "property");
2944 g->value = qemu_opt_get(opts, "value");
2945 g->user_provided = true;
2946 g->errp = &error_fatal;
2947 qdev_prop_register_global(g);
2948 return 0;
2949 }
2950
2951 int main(int argc, char **argv, char **envp)
2952 {
2953 int i;
2954 int snapshot, linux_boot;
2955 const char *initrd_filename;
2956 const char *kernel_filename, *kernel_cmdline;
2957 const char *boot_order = NULL;
2958 const char *boot_once = NULL;
2959 DisplayState *ds;
2960 int cyls, heads, secs, translation;
2961 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2962 QemuOptsList *olist;
2963 int optind;
2964 const char *optarg;
2965 const char *loadvm = NULL;
2966 MachineClass *machine_class;
2967 const char *cpu_model;
2968 const char *vga_model = NULL;
2969 const char *qtest_chrdev = NULL;
2970 const char *qtest_log = NULL;
2971 const char *pid_file = NULL;
2972 const char *incoming = NULL;
2973 bool defconfig = true;
2974 bool userconfig = true;
2975 bool nographic = false;
2976 DisplayType display_type = DT_DEFAULT;
2977 int display_remote = 0;
2978 const char *log_mask = NULL;
2979 const char *log_file = NULL;
2980 char *trace_file = NULL;
2981 ram_addr_t maxram_size;
2982 uint64_t ram_slots = 0;
2983 FILE *vmstate_dump_file = NULL;
2984 Error *main_loop_err = NULL;
2985 Error *err = NULL;
2986 bool list_data_dirs = false;
2987
2988 module_call_init(MODULE_INIT_TRACE);
2989
2990 qemu_init_cpu_list();
2991 qemu_init_cpu_loop();
2992 qemu_mutex_lock_iothread();
2993
2994 atexit(qemu_run_exit_notifiers);
2995 error_set_progname(argv[0]);
2996 qemu_init_exec_dir(argv[0]);
2997
2998 module_call_init(MODULE_INIT_QOM);
2999 module_call_init(MODULE_INIT_QAPI);
3000
3001 qemu_add_opts(&qemu_drive_opts);
3002 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3003 qemu_add_drive_opts(&qemu_common_drive_opts);
3004 qemu_add_drive_opts(&qemu_drive_opts);
3005 qemu_add_drive_opts(&bdrv_runtime_opts);
3006 qemu_add_opts(&qemu_chardev_opts);
3007 qemu_add_opts(&qemu_device_opts);
3008 qemu_add_opts(&qemu_netdev_opts);
3009 qemu_add_opts(&qemu_net_opts);
3010 qemu_add_opts(&qemu_rtc_opts);
3011 qemu_add_opts(&qemu_global_opts);
3012 qemu_add_opts(&qemu_mon_opts);
3013 qemu_add_opts(&qemu_trace_opts);
3014 qemu_add_opts(&qemu_option_rom_opts);
3015 qemu_add_opts(&qemu_machine_opts);
3016 qemu_add_opts(&qemu_mem_opts);
3017 qemu_add_opts(&qemu_smp_opts);
3018 qemu_add_opts(&qemu_boot_opts);
3019 qemu_add_opts(&qemu_sandbox_opts);
3020 qemu_add_opts(&qemu_add_fd_opts);
3021 qemu_add_opts(&qemu_object_opts);
3022 qemu_add_opts(&qemu_tpmdev_opts);
3023 qemu_add_opts(&qemu_realtime_opts);
3024 qemu_add_opts(&qemu_msg_opts);
3025 qemu_add_opts(&qemu_name_opts);
3026 qemu_add_opts(&qemu_numa_opts);
3027 qemu_add_opts(&qemu_icount_opts);
3028 qemu_add_opts(&qemu_semihosting_config_opts);
3029 qemu_add_opts(&qemu_fw_cfg_opts);
3030 #ifdef CONFIG_LIBISCSI
3031 qemu_add_opts(&qemu_iscsi_opts);
3032 #endif
3033 module_call_init(MODULE_INIT_OPTS);
3034
3035 runstate_init();
3036
3037 if (qcrypto_init(&err) < 0) {
3038 error_reportf_err(err, "cannot initialize crypto: ");
3039 exit(1);
3040 }
3041 rtc_clock = QEMU_CLOCK_HOST;
3042
3043 QLIST_INIT (&vm_change_state_head);
3044 os_setup_early_signal_handling();
3045
3046 cpu_model = NULL;
3047 snapshot = 0;
3048 cyls = heads = secs = 0;
3049 translation = BIOS_ATA_TRANSLATION_AUTO;
3050
3051 nb_nics = 0;
3052
3053 bdrv_init_with_whitelist();
3054
3055 autostart = 1;
3056
3057 /* first pass of option parsing */
3058 optind = 1;
3059 while (optind < argc) {
3060 if (argv[optind][0] != '-') {
3061 /* disk image */
3062 optind++;
3063 } else {
3064 const QEMUOption *popt;
3065
3066 popt = lookup_opt(argc, argv, &optarg, &optind);
3067 switch (popt->index) {
3068 case QEMU_OPTION_nodefconfig:
3069 defconfig = false;
3070 break;
3071 case QEMU_OPTION_nouserconfig:
3072 userconfig = false;
3073 break;
3074 }
3075 }
3076 }
3077
3078 if (defconfig) {
3079 int ret;
3080 ret = qemu_read_default_config_files(userconfig);
3081 if (ret < 0) {
3082 exit(1);
3083 }
3084 }
3085
3086 /* second pass of option parsing */
3087 optind = 1;
3088 for(;;) {
3089 if (optind >= argc)
3090 break;
3091 if (argv[optind][0] != '-') {
3092 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3093 } else {
3094 const QEMUOption *popt;
3095
3096 popt = lookup_opt(argc, argv, &optarg, &optind);
3097 if (!(popt->arch_mask & arch_type)) {
3098 error_report("Option not supported for this target");
3099 exit(1);
3100 }
3101 switch(popt->index) {
3102 case QEMU_OPTION_no_kvm_irqchip: {
3103 olist = qemu_find_opts("machine");
3104 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3105 break;
3106 }
3107 case QEMU_OPTION_cpu:
3108 /* hw initialization will check this */
3109 cpu_model = optarg;
3110 break;
3111 case QEMU_OPTION_hda:
3112 {
3113 char buf[256];
3114 if (cyls == 0)
3115 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3116 else
3117 snprintf(buf, sizeof(buf),
3118 "%s,cyls=%d,heads=%d,secs=%d%s",
3119 HD_OPTS , cyls, heads, secs,
3120 translation == BIOS_ATA_TRANSLATION_LBA ?
3121 ",trans=lba" :
3122 translation == BIOS_ATA_TRANSLATION_NONE ?
3123 ",trans=none" : "");
3124 drive_add(IF_DEFAULT, 0, optarg, buf);
3125 break;
3126 }
3127 case QEMU_OPTION_hdb:
3128 case QEMU_OPTION_hdc:
3129 case QEMU_OPTION_hdd:
3130 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3131 HD_OPTS);
3132 break;
3133 case QEMU_OPTION_drive:
3134 if (drive_def(optarg) == NULL) {
3135 exit(1);
3136 }
3137 break;
3138 case QEMU_OPTION_set:
3139 if (qemu_set_option(optarg) != 0)
3140 exit(1);
3141 break;
3142 case QEMU_OPTION_global:
3143 if (qemu_global_option(optarg) != 0)
3144 exit(1);
3145 break;
3146 case QEMU_OPTION_mtdblock:
3147 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3148 break;
3149 case QEMU_OPTION_sd:
3150 drive_add(IF_SD, -1, optarg, SD_OPTS);
3151 break;
3152 case QEMU_OPTION_pflash:
3153 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3154 break;
3155 case QEMU_OPTION_snapshot:
3156 snapshot = 1;
3157 break;
3158 case QEMU_OPTION_hdachs:
3159 {
3160 const char *p;
3161 p = optarg;
3162 cyls = strtol(p, (char **)&p, 0);
3163 if (cyls < 1 || cyls > 16383)
3164 goto chs_fail;
3165 if (*p != ',')
3166 goto chs_fail;
3167 p++;
3168 heads = strtol(p, (char **)&p, 0);
3169 if (heads < 1 || heads > 16)
3170 goto chs_fail;
3171 if (*p != ',')
3172 goto chs_fail;
3173 p++;
3174 secs = strtol(p, (char **)&p, 0);
3175 if (secs < 1 || secs > 63)
3176 goto chs_fail;
3177 if (*p == ',') {
3178 p++;
3179 if (!strcmp(p, "large")) {
3180 translation = BIOS_ATA_TRANSLATION_LARGE;
3181 } else if (!strcmp(p, "rechs")) {
3182 translation = BIOS_ATA_TRANSLATION_RECHS;
3183 } else if (!strcmp(p, "none")) {
3184 translation = BIOS_ATA_TRANSLATION_NONE;
3185 } else if (!strcmp(p, "lba")) {
3186 translation = BIOS_ATA_TRANSLATION_LBA;
3187 } else if (!strcmp(p, "auto")) {
3188 translation = BIOS_ATA_TRANSLATION_AUTO;
3189 } else {
3190 goto chs_fail;
3191 }
3192 } else if (*p != '\0') {
3193 chs_fail:
3194 error_report("invalid physical CHS format");
3195 exit(1);
3196 }
3197 if (hda_opts != NULL) {
3198 qemu_opt_set_number(hda_opts, "cyls", cyls,
3199 &error_abort);
3200 qemu_opt_set_number(hda_opts, "heads", heads,
3201 &error_abort);
3202 qemu_opt_set_number(hda_opts, "secs", secs,
3203 &error_abort);
3204 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3205 qemu_opt_set(hda_opts, "trans", "large",
3206 &error_abort);
3207 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3208 qemu_opt_set(hda_opts, "trans", "rechs",
3209 &error_abort);
3210 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3211 qemu_opt_set(hda_opts, "trans", "lba",
3212 &error_abort);
3213 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3214 qemu_opt_set(hda_opts, "trans", "none",
3215 &error_abort);
3216 }
3217 }
3218 }
3219 break;
3220 case QEMU_OPTION_numa:
3221 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3222 optarg, true);
3223 if (!opts) {
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_display:
3228 display_type = select_display(optarg);
3229 break;
3230 case QEMU_OPTION_nographic:
3231 olist = qemu_find_opts("machine");
3232 qemu_opts_parse_noisily(olist, "graphics=off", false);
3233 nographic = true;
3234 display_type = DT_NONE;
3235 break;
3236 case QEMU_OPTION_curses:
3237 #ifdef CONFIG_CURSES
3238 display_type = DT_CURSES;
3239 #else
3240 error_report("curses support is disabled");
3241 exit(1);
3242 #endif
3243 break;
3244 case QEMU_OPTION_portrait:
3245 graphic_rotate = 90;
3246 break;
3247 case QEMU_OPTION_rotate:
3248 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3249 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3250 graphic_rotate != 180 && graphic_rotate != 270) {
3251 error_report("only 90, 180, 270 deg rotation is available");
3252 exit(1);
3253 }
3254 break;
3255 case QEMU_OPTION_kernel:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3257 &error_abort);
3258 break;
3259 case QEMU_OPTION_initrd:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3261 &error_abort);
3262 break;
3263 case QEMU_OPTION_append:
3264 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3265 &error_abort);
3266 break;
3267 case QEMU_OPTION_dtb:
3268 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3269 &error_abort);
3270 break;
3271 case QEMU_OPTION_cdrom:
3272 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3273 break;
3274 case QEMU_OPTION_boot:
3275 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3276 optarg, true);
3277 if (!opts) {
3278 exit(1);
3279 }
3280 break;
3281 case QEMU_OPTION_fda:
3282 case QEMU_OPTION_fdb:
3283 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3284 optarg, FD_OPTS);
3285 break;
3286 case QEMU_OPTION_no_fd_bootchk:
3287 fd_bootchk = 0;
3288 break;
3289 case QEMU_OPTION_netdev:
3290 default_net = 0;
3291 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3292 exit(1);
3293 }
3294 break;
3295 case QEMU_OPTION_net:
3296 default_net = 0;
3297 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3298 exit(1);
3299 }
3300 break;
3301 #ifdef CONFIG_LIBISCSI
3302 case QEMU_OPTION_iscsi:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3304 optarg, false);
3305 if (!opts) {
3306 exit(1);
3307 }
3308 break;
3309 #endif
3310 #ifdef CONFIG_SLIRP
3311 case QEMU_OPTION_tftp:
3312 error_report("The -tftp option is deprecated. "
3313 "Please use '-netdev user,tftp=...' instead.");
3314 legacy_tftp_prefix = optarg;
3315 break;
3316 case QEMU_OPTION_bootp:
3317 error_report("The -bootp option is deprecated. "
3318 "Please use '-netdev user,bootfile=...' instead.");
3319 legacy_bootp_filename = optarg;
3320 break;
3321 case QEMU_OPTION_redir:
3322 error_report("The -redir option is deprecated. "
3323 "Please use '-netdev user,hostfwd=...' instead.");
3324 if (net_slirp_redir(optarg) < 0)
3325 exit(1);
3326 break;
3327 #endif
3328 case QEMU_OPTION_bt:
3329 add_device_config(DEV_BT, optarg);
3330 break;
3331 case QEMU_OPTION_audio_help:
3332 AUD_help ();
3333 exit (0);
3334 break;
3335 case QEMU_OPTION_soundhw:
3336 select_soundhw (optarg);
3337 break;
3338 case QEMU_OPTION_h:
3339 help(0);
3340 break;
3341 case QEMU_OPTION_version:
3342 version();
3343 exit(0);
3344 break;
3345 case QEMU_OPTION_m:
3346 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3347 optarg, true);
3348 if (!opts) {
3349 exit(EXIT_FAILURE);
3350 }
3351 break;
3352 #ifdef CONFIG_TPM
3353 case QEMU_OPTION_tpmdev:
3354 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3355 exit(1);
3356 }
3357 break;
3358 #endif
3359 case QEMU_OPTION_mempath:
3360 mem_path = optarg;
3361 break;
3362 case QEMU_OPTION_mem_prealloc:
3363 mem_prealloc = 1;
3364 break;
3365 case QEMU_OPTION_d:
3366 log_mask = optarg;
3367 break;
3368 case QEMU_OPTION_D:
3369 log_file = optarg;
3370 break;
3371 case QEMU_OPTION_DFILTER:
3372 qemu_set_dfilter_ranges(optarg, &error_fatal);
3373 break;
3374 case QEMU_OPTION_s:
3375 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3376 break;
3377 case QEMU_OPTION_gdb:
3378 add_device_config(DEV_GDB, optarg);
3379 break;
3380 case QEMU_OPTION_L:
3381 if (is_help_option(optarg)) {
3382 list_data_dirs = true;
3383 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3384 data_dir[data_dir_idx++] = optarg;
3385 }
3386 break;
3387 case QEMU_OPTION_bios:
3388 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3389 &error_abort);
3390 break;
3391 case QEMU_OPTION_singlestep:
3392 singlestep = 1;
3393 break;
3394 case QEMU_OPTION_S:
3395 autostart = 0;
3396 break;
3397 case QEMU_OPTION_k:
3398 keyboard_layout = optarg;
3399 break;
3400 case QEMU_OPTION_localtime:
3401 rtc_utc = 0;
3402 break;
3403 case QEMU_OPTION_vga:
3404 vga_model = optarg;
3405 default_vga = 0;
3406 break;
3407 case QEMU_OPTION_g:
3408 {
3409 const char *p;
3410 int w, h, depth;
3411 p = optarg;
3412 w = strtol(p, (char **)&p, 10);
3413 if (w <= 0) {
3414 graphic_error:
3415 error_report("invalid resolution or depth");
3416 exit(1);
3417 }
3418 if (*p != 'x')
3419 goto graphic_error;
3420 p++;
3421 h = strtol(p, (char **)&p, 10);
3422 if (h <= 0)
3423 goto graphic_error;
3424 if (*p == 'x') {
3425 p++;
3426 depth = strtol(p, (char **)&p, 10);
3427 if (depth != 8 && depth != 15 && depth != 16 &&
3428 depth != 24 && depth != 32)
3429 goto graphic_error;
3430 } else if (*p == '\0') {
3431 depth = graphic_depth;
3432 } else {
3433 goto graphic_error;
3434 }
3435
3436 graphic_width = w;
3437 graphic_height = h;
3438 graphic_depth = depth;
3439 }
3440 break;
3441 case QEMU_OPTION_echr:
3442 {
3443 char *r;
3444 term_escape_char = strtol(optarg, &r, 0);
3445 if (r == optarg)
3446 printf("Bad argument to echr\n");
3447 break;
3448 }
3449 case QEMU_OPTION_monitor:
3450 default_monitor = 0;
3451 if (strncmp(optarg, "none", 4)) {
3452 monitor_parse(optarg, "readline", false);
3453 }
3454 break;
3455 case QEMU_OPTION_qmp:
3456 monitor_parse(optarg, "control", false);
3457 default_monitor = 0;
3458 break;
3459 case QEMU_OPTION_qmp_pretty:
3460 monitor_parse(optarg, "control", true);
3461 default_monitor = 0;
3462 break;
3463 case QEMU_OPTION_mon:
3464 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3465 true);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 default_monitor = 0;
3470 break;
3471 case QEMU_OPTION_chardev:
3472 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3473 optarg, true);
3474 if (!opts) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_fsdev:
3479 olist = qemu_find_opts("fsdev");
3480 if (!olist) {
3481 error_report("fsdev support is disabled");
3482 exit(1);
3483 }
3484 opts = qemu_opts_parse_noisily(olist, optarg, true);
3485 if (!opts) {
3486 exit(1);
3487 }
3488 break;
3489 case QEMU_OPTION_virtfs: {
3490 QemuOpts *fsdev;
3491 QemuOpts *device;
3492 const char *writeout, *sock_fd, *socket;
3493
3494 olist = qemu_find_opts("virtfs");
3495 if (!olist) {
3496 error_report("virtfs support is disabled");
3497 exit(1);
3498 }
3499 opts = qemu_opts_parse_noisily(olist, optarg, true);
3500 if (!opts) {
3501 exit(1);
3502 }
3503
3504 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3505 qemu_opt_get(opts, "mount_tag") == NULL) {
3506 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3507 exit(1);
3508 }
3509 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3510 qemu_opt_get(opts, "mount_tag"),
3511 1, NULL);
3512 if (!fsdev) {
3513 error_report("duplicate fsdev id: %s",
3514 qemu_opt_get(opts, "mount_tag"));
3515 exit(1);
3516 }
3517
3518 writeout = qemu_opt_get(opts, "writeout");
3519 if (writeout) {
3520 #ifdef CONFIG_SYNC_FILE_RANGE
3521 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3522 #else
3523 error_report("writeout=immediate not supported "
3524 "on this platform");
3525 exit(1);
3526 #endif
3527 }
3528 qemu_opt_set(fsdev, "fsdriver",
3529 qemu_opt_get(opts, "fsdriver"), &error_abort);
3530 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3531 &error_abort);
3532 qemu_opt_set(fsdev, "security_model",
3533 qemu_opt_get(opts, "security_model"),
3534 &error_abort);
3535 socket = qemu_opt_get(opts, "socket");
3536 if (socket) {
3537 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3538 }
3539 sock_fd = qemu_opt_get(opts, "sock_fd");
3540 if (sock_fd) {
3541 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3542 }
3543
3544 qemu_opt_set_bool(fsdev, "readonly",
3545 qemu_opt_get_bool(opts, "readonly", 0),
3546 &error_abort);
3547 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3548 &error_abort);
3549 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3550 qemu_opt_set(device, "fsdev",
3551 qemu_opt_get(opts, "mount_tag"), &error_abort);
3552 qemu_opt_set(device, "mount_tag",
3553 qemu_opt_get(opts, "mount_tag"), &error_abort);
3554 break;
3555 }
3556 case QEMU_OPTION_virtfs_synth: {
3557 QemuOpts *fsdev;
3558 QemuOpts *device;
3559
3560 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3561 1, NULL);
3562 if (!fsdev) {
3563 error_report("duplicate option: %s", "virtfs_synth");
3564 exit(1);
3565 }
3566 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3567
3568 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3569 &error_abort);
3570 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3571 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3572 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3573 break;
3574 }
3575 case QEMU_OPTION_serial:
3576 add_device_config(DEV_SERIAL, optarg);
3577 default_serial = 0;
3578 if (strncmp(optarg, "mon:", 4) == 0) {
3579 default_monitor = 0;
3580 }
3581 break;
3582 case QEMU_OPTION_watchdog:
3583 if (watchdog) {
3584 error_report("only one watchdog option may be given");
3585 return 1;
3586 }
3587 watchdog = optarg;
3588 break;
3589 case QEMU_OPTION_watchdog_action:
3590 if (select_watchdog_action(optarg) == -1) {
3591 error_report("unknown -watchdog-action parameter");
3592 exit(1);
3593 }
3594 break;
3595 case QEMU_OPTION_virtiocon:
3596 add_device_config(DEV_VIRTCON, optarg);
3597 default_virtcon = 0;
3598 if (strncmp(optarg, "mon:", 4) == 0) {
3599 default_monitor = 0;
3600 }
3601 break;
3602 case QEMU_OPTION_parallel:
3603 add_device_config(DEV_PARALLEL, optarg);
3604 default_parallel = 0;
3605 if (strncmp(optarg, "mon:", 4) == 0) {
3606 default_monitor = 0;
3607 }
3608 break;
3609 case QEMU_OPTION_debugcon:
3610 add_device_config(DEV_DEBUGCON, optarg);
3611 break;
3612 case QEMU_OPTION_loadvm:
3613 loadvm = optarg;
3614 break;
3615 case QEMU_OPTION_full_screen:
3616 full_screen = 1;
3617 break;
3618 case QEMU_OPTION_no_frame:
3619 no_frame = 1;
3620 break;
3621 case QEMU_OPTION_alt_grab:
3622 alt_grab = 1;
3623 break;
3624 case QEMU_OPTION_ctrl_grab:
3625 ctrl_grab = 1;
3626 break;
3627 case QEMU_OPTION_no_quit:
3628 no_quit = 1;
3629 break;
3630 case QEMU_OPTION_sdl:
3631 #ifdef CONFIG_SDL
3632 display_type = DT_SDL;
3633 break;
3634 #else
3635 error_report("SDL support is disabled");
3636 exit(1);
3637 #endif
3638 case QEMU_OPTION_pidfile:
3639 pid_file = optarg;
3640 break;
3641 case QEMU_OPTION_win2k_hack:
3642 win2k_install_hack = 1;
3643 break;
3644 case QEMU_OPTION_rtc_td_hack: {
3645 static GlobalProperty slew_lost_ticks = {
3646 .driver = "mc146818rtc",
3647 .property = "lost_tick_policy",
3648 .value = "slew",
3649 };
3650
3651 qdev_prop_register_global(&slew_lost_ticks);
3652 break;
3653 }
3654 case QEMU_OPTION_acpitable:
3655 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3656 optarg, true);
3657 if (!opts) {
3658 exit(1);
3659 }
3660 do_acpitable_option(opts);
3661 break;
3662 case QEMU_OPTION_smbios:
3663 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3664 optarg, false);
3665 if (!opts) {
3666 exit(1);
3667 }
3668 smbios_entry_add(opts, &error_fatal);
3669 break;
3670 case QEMU_OPTION_fwcfg:
3671 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3672 optarg, true);
3673 if (opts == NULL) {
3674 exit(1);
3675 }
3676 break;
3677 case QEMU_OPTION_enable_kvm:
3678 olist = qemu_find_opts("machine");
3679 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3680 break;
3681 case QEMU_OPTION_M:
3682 case QEMU_OPTION_machine:
3683 olist = qemu_find_opts("machine");
3684 opts = qemu_opts_parse_noisily(olist, optarg, true);
3685 if (!opts) {
3686 exit(1);
3687 }
3688 break;
3689 case QEMU_OPTION_no_kvm:
3690 olist = qemu_find_opts("machine");
3691 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3692 break;
3693 case QEMU_OPTION_no_kvm_pit: {
3694 error_report("warning: ignoring deprecated option");
3695 break;
3696 }
3697 case QEMU_OPTION_no_kvm_pit_reinjection: {
3698 static GlobalProperty kvm_pit_lost_tick_policy = {
3699 .driver = "kvm-pit",
3700 .property = "lost_tick_policy",
3701 .value = "discard",
3702 };
3703
3704 error_report("warning: deprecated, replaced by "
3705 "-global kvm-pit.lost_tick_policy=discard");
3706 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3707 break;
3708 }
3709 case QEMU_OPTION_usb:
3710 olist = qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist, "usb=on", false);
3712 break;
3713 case QEMU_OPTION_usbdevice:
3714 olist = qemu_find_opts("machine");
3715 qemu_opts_parse_noisily(olist, "usb=on", false);
3716 add_device_config(DEV_USB, optarg);
3717 break;
3718 case QEMU_OPTION_device:
3719 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3720 optarg, true)) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_smp:
3725 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3726 optarg, true)) {
3727 exit(1);
3728 }
3729 break;
3730 case QEMU_OPTION_vnc:
3731 vnc_parse(optarg, &error_fatal);
3732 break;
3733 case QEMU_OPTION_no_acpi:
3734 acpi_enabled = 0;
3735 break;
3736 case QEMU_OPTION_no_hpet:
3737 no_hpet = 1;
3738 break;
3739 case QEMU_OPTION_balloon:
3740 if (balloon_parse(optarg) < 0) {
3741 error_report("unknown -balloon argument %s", optarg);
3742 exit(1);
3743 }
3744 break;
3745 case QEMU_OPTION_no_reboot:
3746 no_reboot = 1;
3747 break;
3748 case QEMU_OPTION_no_shutdown:
3749 no_shutdown = 1;
3750 break;
3751 case QEMU_OPTION_show_cursor:
3752 cursor_hide = 0;
3753 break;
3754 case QEMU_OPTION_uuid:
3755 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3756 error_report("failed to parse UUID string: wrong format");
3757 exit(1);
3758 }
3759 qemu_uuid_set = true;
3760 break;
3761 case QEMU_OPTION_option_rom:
3762 if (nb_option_roms >= MAX_OPTION_ROMS) {
3763 error_report("too many option ROMs");
3764 exit(1);
3765 }
3766 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3767 optarg, true);
3768 if (!opts) {
3769 exit(1);
3770 }
3771 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3772 option_rom[nb_option_roms].bootindex =
3773 qemu_opt_get_number(opts, "bootindex", -1);
3774 if (!option_rom[nb_option_roms].name) {
3775 error_report("Option ROM file is not specified");
3776 exit(1);
3777 }
3778 nb_option_roms++;
3779 break;
3780 case QEMU_OPTION_semihosting:
3781 semihosting.enabled = true;
3782 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3783 break;
3784 case QEMU_OPTION_semihosting_config:
3785 semihosting.enabled = true;
3786 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3787 optarg, false);
3788 if (opts != NULL) {
3789 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3790 true);
3791 const char *target = qemu_opt_get(opts, "target");
3792 if (target != NULL) {
3793 if (strcmp("native", target) == 0) {
3794 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3795 } else if (strcmp("gdb", target) == 0) {
3796 semihosting.target = SEMIHOSTING_TARGET_GDB;
3797 } else if (strcmp("auto", target) == 0) {
3798 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3799 } else {
3800 error_report("unsupported semihosting-config %s",
3801 optarg);
3802 exit(1);
3803 }
3804 } else {
3805 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3806 }
3807 /* Set semihosting argument count and vector */
3808 qemu_opt_foreach(opts, add_semihosting_arg,
3809 &semihosting, NULL);
3810 } else {
3811 error_report("unsupported semihosting-config %s", optarg);
3812 exit(1);
3813 }
3814 break;
3815 case QEMU_OPTION_tdf:
3816 error_report("warning: ignoring deprecated option");
3817 break;
3818 case QEMU_OPTION_name:
3819 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3820 optarg, true);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 break;
3825 case QEMU_OPTION_prom_env:
3826 if (nb_prom_envs >= MAX_PROM_ENVS) {
3827 error_report("too many prom variables");
3828 exit(1);
3829 }
3830 prom_envs[nb_prom_envs] = optarg;
3831 nb_prom_envs++;
3832 break;
3833 case QEMU_OPTION_old_param:
3834 old_param = 1;
3835 break;
3836 case QEMU_OPTION_clock:
3837 /* Clock options no longer exist. Keep this option for
3838 * backward compatibility.
3839 */
3840 break;
3841 case QEMU_OPTION_startdate:
3842 configure_rtc_date_offset(optarg, 1);
3843 break;
3844 case QEMU_OPTION_rtc:
3845 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3846 false);
3847 if (!opts) {
3848 exit(1);
3849 }
3850 configure_rtc(opts);
3851 break;
3852 case QEMU_OPTION_tb_size:
3853 tcg_tb_size = strtol(optarg, NULL, 0);
3854 if (tcg_tb_size < 0) {
3855 tcg_tb_size = 0;
3856 }
3857 break;
3858 case QEMU_OPTION_icount:
3859 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3860 optarg, true);
3861 if (!icount_opts) {
3862 exit(1);
3863 }
3864 break;
3865 case QEMU_OPTION_incoming:
3866 if (!incoming) {
3867 runstate_set(RUN_STATE_INMIGRATE);
3868 }
3869 incoming = optarg;
3870 break;
3871 case QEMU_OPTION_nodefaults:
3872 has_defaults = 0;
3873 break;
3874 case QEMU_OPTION_xen_domid:
3875 if (!(xen_available())) {
3876 error_report("Option not supported for this target");
3877 exit(1);
3878 }
3879 xen_domid = atoi(optarg);
3880 break;
3881 case QEMU_OPTION_xen_create:
3882 if (!(xen_available())) {
3883 error_report("Option not supported for this target");
3884 exit(1);
3885 }
3886 xen_mode = XEN_CREATE;
3887 break;
3888 case QEMU_OPTION_xen_attach:
3889 if (!(xen_available())) {
3890 error_report("Option not supported for this target");
3891 exit(1);
3892 }
3893 xen_mode = XEN_ATTACH;
3894 break;
3895 case QEMU_OPTION_trace:
3896 g_free(trace_file);
3897 trace_file = trace_opt_parse(optarg);
3898 break;
3899 case QEMU_OPTION_readconfig:
3900 {
3901 int ret = qemu_read_config_file(optarg);
3902 if (ret < 0) {
3903 error_report("read config %s: %s", optarg,
3904 strerror(-ret));
3905 exit(1);
3906 }
3907 break;
3908 }
3909 case QEMU_OPTION_spice:
3910 olist = qemu_find_opts("spice");
3911 if (!olist) {
3912 error_report("spice support is disabled");
3913 exit(1);
3914 }
3915 opts = qemu_opts_parse_noisily(olist, optarg, false);
3916 if (!opts) {
3917 exit(1);
3918 }
3919 display_remote++;
3920 break;
3921 case QEMU_OPTION_writeconfig:
3922 {
3923 FILE *fp;
3924 if (strcmp(optarg, "-") == 0) {
3925 fp = stdout;
3926 } else {
3927 fp = fopen(optarg, "w");
3928 if (fp == NULL) {
3929 error_report("open %s: %s", optarg,
3930 strerror(errno));
3931 exit(1);
3932 }
3933 }
3934 qemu_config_write(fp);
3935 if (fp != stdout) {
3936 fclose(fp);
3937 }
3938 break;
3939 }
3940 case QEMU_OPTION_qtest:
3941 qtest_chrdev = optarg;
3942 break;
3943 case QEMU_OPTION_qtest_log:
3944 qtest_log = optarg;
3945 break;
3946 case QEMU_OPTION_sandbox:
3947 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3948 optarg, true);
3949 if (!opts) {
3950 exit(1);
3951 }
3952 break;
3953 case QEMU_OPTION_add_fd:
3954 #ifndef _WIN32
3955 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3956 optarg, false);
3957 if (!opts) {
3958 exit(1);
3959 }
3960 #else
3961 error_report("File descriptor passing is disabled on this "
3962 "platform");
3963 exit(1);
3964 #endif
3965 break;
3966 case QEMU_OPTION_object:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3968 optarg, true);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 break;
3973 case QEMU_OPTION_realtime:
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3975 optarg, false);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3980 break;
3981 case QEMU_OPTION_msg:
3982 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3983 false);
3984 if (!opts) {
3985 exit(1);
3986 }
3987 configure_msg(opts);
3988 break;
3989 case QEMU_OPTION_dump_vmstate:
3990 if (vmstate_dump_file) {
3991 error_report("only one '-dump-vmstate' "
3992 "option may be given");
3993 exit(1);
3994 }
3995 vmstate_dump_file = fopen(optarg, "w");
3996 if (vmstate_dump_file == NULL) {
3997 error_report("open %s: %s", optarg, strerror(errno));
3998 exit(1);
3999 }
4000 break;
4001 default:
4002 os_parse_cmd_args(popt->index, optarg);
4003 }
4004 }
4005 }
4006 /*
4007 * Clear error location left behind by the loop.
4008 * Best done right after the loop. Do not insert code here!
4009 */
4010 loc_set_none();
4011
4012 replay_configure(icount_opts);
4013
4014 machine_class = select_machine();
4015
4016 set_memory_options(&ram_slots, &maxram_size, machine_class);
4017
4018 os_daemonize();
4019
4020 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4021 error_report("could not acquire pid file: %s", strerror(errno));
4022 exit(1);
4023 }
4024
4025 if (qemu_init_main_loop(&main_loop_err)) {
4026 error_report_err(main_loop_err);
4027 exit(1);
4028 }
4029
4030 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4031 parse_sandbox, NULL, NULL)) {
4032 exit(1);
4033 }
4034
4035 if (qemu_opts_foreach(qemu_find_opts("name"),
4036 parse_name, NULL, NULL)) {
4037 exit(1);
4038 }
4039
4040 #ifndef _WIN32
4041 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4042 parse_add_fd, NULL, NULL)) {
4043 exit(1);
4044 }
4045
4046 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4047 cleanup_add_fd, NULL, NULL)) {
4048 exit(1);
4049 }
4050 #endif
4051
4052 current_machine = MACHINE(object_new(object_class_get_name(
4053 OBJECT_CLASS(machine_class))));
4054 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4055 exit(0);
4056 }
4057 object_property_add_child(object_get_root(), "machine",
4058 OBJECT(current_machine), &error_abort);
4059
4060 if (machine_class->minimum_page_bits) {
4061 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4062 /* This would be a board error: specifying a minimum smaller than
4063 * a target's compile-time fixed setting.
4064 */
4065 g_assert_not_reached();
4066 }
4067 }
4068
4069 cpu_exec_init_all();
4070
4071 if (machine_class->hw_version) {
4072 qemu_set_hw_version(machine_class->hw_version);
4073 }
4074
4075 if (cpu_model && is_help_option(cpu_model)) {
4076 list_cpus(stdout, &fprintf, cpu_model);
4077 exit(0);
4078 }
4079
4080 if (!trace_init_backends()) {
4081 exit(1);
4082 }
4083 trace_init_file(trace_file);
4084
4085 /* Open the logfile at this point and set the log mask if necessary.
4086 */
4087 if (log_file) {
4088 qemu_set_log_filename(log_file, &error_fatal);
4089 }
4090
4091 if (log_mask) {
4092 int mask;
4093 mask = qemu_str_to_log_mask(log_mask);
4094 if (!mask) {
4095 qemu_print_log_usage(stdout);
4096 exit(1);
4097 }
4098 qemu_set_log(mask);
4099 } else {
4100 qemu_set_log(0);
4101 }
4102
4103 /* If no data_dir is specified then try to find it relative to the
4104 executable path. */
4105 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4106 data_dir[data_dir_idx] = os_find_datadir();
4107 if (data_dir[data_dir_idx] != NULL) {
4108 data_dir_idx++;
4109 }
4110 }
4111 /* If all else fails use the install path specified when building. */
4112 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4113 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4114 }
4115
4116 /* -L help lists the data directories and exits. */
4117 if (list_data_dirs) {
4118 for (i = 0; i < data_dir_idx; i++) {
4119 printf("%s\n", data_dir[i]);
4120 }
4121 exit(0);
4122 }
4123
4124 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4125
4126 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4127 if (max_cpus > machine_class->max_cpus) {
4128 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4129 "supported by machine '%s' (%d)", max_cpus,
4130 machine_class->name, machine_class->max_cpus);
4131 exit(1);
4132 }
4133
4134 /*
4135 * Get the default machine options from the machine if it is not already
4136 * specified either by the configuration file or by the command line.
4137 */
4138 if (machine_class->default_machine_opts) {
4139 qemu_opts_set_defaults(qemu_find_opts("machine"),
4140 machine_class->default_machine_opts, 0);
4141 }
4142
4143 qemu_opts_foreach(qemu_find_opts("device"),
4144 default_driver_check, NULL, NULL);
4145 qemu_opts_foreach(qemu_find_opts("global"),
4146 default_driver_check, NULL, NULL);
4147
4148 if (!vga_model && !default_vga) {
4149 vga_interface_type = VGA_DEVICE;
4150 }
4151 if (!has_defaults || machine_class->no_serial) {
4152 default_serial = 0;
4153 }
4154 if (!has_defaults || machine_class->no_parallel) {
4155 default_parallel = 0;
4156 }
4157 if (!has_defaults || !machine_class->use_virtcon) {
4158 default_virtcon = 0;
4159 }
4160 if (!has_defaults || !machine_class->use_sclp) {
4161 default_sclp = 0;
4162 }
4163 if (!has_defaults || machine_class->no_floppy) {
4164 default_floppy = 0;
4165 }
4166 if (!has_defaults || machine_class->no_cdrom) {
4167 default_cdrom = 0;
4168 }
4169 if (!has_defaults || machine_class->no_sdcard) {
4170 default_sdcard = 0;
4171 }
4172 if (!has_defaults) {
4173 default_monitor = 0;
4174 default_net = 0;
4175 default_vga = 0;
4176 }
4177
4178 if (is_daemonized()) {
4179 /* According to documentation and historically, -nographic redirects
4180 * serial port, parallel port and monitor to stdio, which does not work
4181 * with -daemonize. We can redirect these to null instead, but since
4182 * -nographic is legacy, let's just error out.
4183 * We disallow -nographic only if all other ports are not redirected
4184 * explicitly, to not break existing legacy setups which uses
4185 * -nographic _and_ redirects all ports explicitly - this is valid
4186 * usage, -nographic is just a no-op in this case.
4187 */
4188 if (nographic
4189 && (default_parallel || default_serial
4190 || default_monitor || default_virtcon)) {
4191 error_report("-nographic cannot be used with -daemonize");
4192 exit(1);
4193 }
4194 #ifdef CONFIG_CURSES
4195 if (display_type == DT_CURSES) {
4196 error_report("curses display cannot be used with -daemonize");
4197 exit(1);
4198 }
4199 #endif
4200 }
4201
4202 if (nographic) {
4203 if (default_parallel)
4204 add_device_config(DEV_PARALLEL, "null");
4205 if (default_serial && default_monitor) {
4206 add_device_config(DEV_SERIAL, "mon:stdio");
4207 } else if (default_virtcon && default_monitor) {
4208 add_device_config(DEV_VIRTCON, "mon:stdio");
4209 } else if (default_sclp && default_monitor) {
4210 add_device_config(DEV_SCLP, "mon:stdio");
4211 } else {
4212 if (default_serial)
4213 add_device_config(DEV_SERIAL, "stdio");
4214 if (default_virtcon)
4215 add_device_config(DEV_VIRTCON, "stdio");
4216 if (default_sclp) {
4217 add_device_config(DEV_SCLP, "stdio");
4218 }
4219 if (default_monitor)
4220 monitor_parse("stdio", "readline", false);
4221 }
4222 } else {
4223 if (default_serial)
4224 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4225 if (default_parallel)
4226 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4227 if (default_monitor)
4228 monitor_parse("vc:80Cx24C", "readline", false);
4229 if (default_virtcon)
4230 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4231 if (default_sclp) {
4232 add_device_config(DEV_SCLP, "vc:80Cx24C");
4233 }
4234 }
4235
4236 #if defined(CONFIG_VNC)
4237 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4238 display_remote++;
4239 }
4240 #endif
4241 if (display_type == DT_DEFAULT && !display_remote) {
4242 #if defined(CONFIG_GTK)
4243 display_type = DT_GTK;
4244 #elif defined(CONFIG_SDL)
4245 display_type = DT_SDL;
4246 #elif defined(CONFIG_COCOA)
4247 display_type = DT_COCOA;
4248 #elif defined(CONFIG_VNC)
4249 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4250 #else
4251 display_type = DT_NONE;
4252 #endif
4253 }
4254
4255 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4256 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4257 "for SDL, ignoring option");
4258 }
4259 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4260 error_report("-no-quit is only valid for GTK and SDL, "
4261 "ignoring option");
4262 }
4263
4264 if (display_type == DT_GTK) {
4265 early_gtk_display_init(request_opengl);
4266 }
4267
4268 if (display_type == DT_SDL) {
4269 sdl_display_early_init(request_opengl);
4270 }
4271
4272 if (request_opengl == 1 && display_opengl == 0) {
4273 #if defined(CONFIG_OPENGL)
4274 error_report("OpenGL is not supported by the display");
4275 #else
4276 error_report("OpenGL support is disabled");
4277 #endif
4278 exit(1);
4279 }
4280
4281 page_size_init();
4282 socket_init();
4283
4284 if (qemu_opts_foreach(qemu_find_opts("object"),
4285 user_creatable_add_opts_foreach,
4286 object_create_initial, NULL)) {
4287 exit(1);
4288 }
4289
4290 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4291 chardev_init_func, NULL, NULL)) {
4292 exit(1);
4293 }
4294
4295 #ifdef CONFIG_VIRTFS
4296 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4297 fsdev_init_func, NULL, NULL)) {
4298 exit(1);
4299 }
4300 #endif
4301
4302 if (qemu_opts_foreach(qemu_find_opts("device"),
4303 device_help_func, NULL, NULL)) {
4304 exit(0);
4305 }
4306
4307 machine_opts = qemu_get_machine_opts();
4308 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4309 NULL)) {
4310 object_unref(OBJECT(current_machine));
4311 exit(1);
4312 }
4313
4314 configure_accelerator(current_machine);
4315
4316 if (qtest_chrdev) {
4317 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4318 }
4319
4320 machine_opts = qemu_get_machine_opts();
4321 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4322 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4323 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4324 bios_name = qemu_opt_get(machine_opts, "firmware");
4325
4326 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4327 if (opts) {
4328 boot_order = qemu_opt_get(opts, "order");
4329 if (boot_order) {
4330 validate_bootdevices(boot_order, &error_fatal);
4331 }
4332
4333 boot_once = qemu_opt_get(opts, "once");
4334 if (boot_once) {
4335 validate_bootdevices(boot_once, &error_fatal);
4336 }
4337
4338 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4339 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4340 }
4341
4342 if (!boot_order) {
4343 boot_order = machine_class->default_boot_order;
4344 }
4345
4346 if (!kernel_cmdline) {
4347 kernel_cmdline = "";
4348 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4349 }
4350
4351 linux_boot = (kernel_filename != NULL);
4352
4353 if (!linux_boot && *kernel_cmdline != '\0') {
4354 error_report("-append only allowed with -kernel option");
4355 exit(1);
4356 }
4357
4358 if (!linux_boot && initrd_filename != NULL) {
4359 error_report("-initrd only allowed with -kernel option");
4360 exit(1);
4361 }
4362
4363 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4364 /* fall back to the -kernel/-append */
4365 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4366 }
4367
4368 os_set_line_buffering();
4369
4370 /* spice needs the timers to be initialized by this point */
4371 qemu_spice_init();
4372
4373 cpu_ticks_init();
4374 if (icount_opts) {
4375 if (kvm_enabled() || xen_enabled()) {
4376 error_report("-icount is not allowed with kvm or xen");
4377 exit(1);
4378 }
4379 configure_icount(icount_opts, &error_abort);
4380 qemu_opts_del(icount_opts);
4381 }
4382
4383 if (default_net) {
4384 QemuOptsList *net = qemu_find_opts("net");
4385 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4386 #ifdef CONFIG_SLIRP
4387 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4388 #endif
4389 }
4390
4391 colo_info_init();
4392
4393 if (net_init_clients() < 0) {
4394 exit(1);
4395 }
4396
4397 if (qemu_opts_foreach(qemu_find_opts("object"),
4398 user_creatable_add_opts_foreach,
4399 object_create_delayed, NULL)) {
4400 exit(1);
4401 }
4402
4403 #ifdef CONFIG_TPM
4404 if (tpm_init() < 0) {
4405 exit(1);
4406 }
4407 #endif
4408
4409 /* init the bluetooth world */
4410 if (foreach_device_config(DEV_BT, bt_parse))
4411 exit(1);
4412
4413 if (!xen_enabled()) {
4414 /* On 32-bit hosts, QEMU is limited by virtual address space */
4415 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4416 error_report("at most 2047 MB RAM can be simulated");
4417 exit(1);
4418 }
4419 }
4420
4421 blk_mig_init();
4422 ram_mig_init();
4423
4424 /* If the currently selected machine wishes to override the units-per-bus
4425 * property of its default HBA interface type, do so now. */
4426 if (machine_class->units_per_default_bus) {
4427 override_max_devs(machine_class->block_default_type,
4428 machine_class->units_per_default_bus);
4429 }
4430
4431 /* open the virtual block devices */
4432 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4433 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4434 NULL, NULL);
4435 }
4436 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4437 &machine_class->block_default_type, NULL)) {
4438 exit(1);
4439 }
4440
4441 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4442 CDROM_OPTS);
4443 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4444 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4445
4446 parse_numa_opts(machine_class);
4447
4448 if (qemu_opts_foreach(qemu_find_opts("mon"),
4449 mon_init_func, NULL, NULL)) {
4450 exit(1);
4451 }
4452
4453 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4454 exit(1);
4455 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4456 exit(1);
4457 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4458 exit(1);
4459 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4460 exit(1);
4461 }
4462 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4463 exit(1);
4464
4465 /* If no default VGA is requested, the default is "none". */
4466 if (default_vga) {
4467 if (machine_class->default_display) {
4468 vga_model = machine_class->default_display;
4469 } else if (vga_interface_available(VGA_CIRRUS)) {
4470 vga_model = "cirrus";
4471 } else if (vga_interface_available(VGA_STD)) {
4472 vga_model = "std";
4473 }
4474 }
4475 if (vga_model) {
4476 select_vgahw(vga_model);
4477 }
4478
4479 if (watchdog) {
4480 i = select_watchdog(watchdog);
4481 if (i > 0)
4482 exit (i == 1 ? 1 : 0);
4483 }
4484
4485 machine_register_compat_props(current_machine);
4486
4487 qemu_opts_foreach(qemu_find_opts("global"),
4488 global_init_func, NULL, NULL);
4489
4490 /* This checkpoint is required by replay to separate prior clock
4491 reading from the other reads, because timer polling functions query
4492 clock values from the log. */
4493 replay_checkpoint(CHECKPOINT_INIT);
4494 qdev_machine_init();
4495
4496 current_machine->ram_size = ram_size;
4497 current_machine->maxram_size = maxram_size;
4498 current_machine->ram_slots = ram_slots;
4499 current_machine->boot_order = boot_order;
4500 current_machine->cpu_model = cpu_model;
4501
4502 machine_class->init(current_machine);
4503
4504 realtime_init();
4505
4506 audio_init();
4507
4508 cpu_synchronize_all_post_init();
4509
4510 numa_post_machine_init();
4511
4512 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4513 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4514 exit(1);
4515 }
4516
4517 /* init USB devices */
4518 if (machine_usb(current_machine)) {
4519 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4520 exit(1);
4521 }
4522
4523 /* Check if IGD GFX passthrough. */
4524 igd_gfx_passthru();
4525
4526 /* init generic devices */
4527 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4528 if (qemu_opts_foreach(qemu_find_opts("device"),
4529 device_init_func, NULL, NULL)) {
4530 exit(1);
4531 }
4532 rom_reset_order_override();
4533
4534 /* Did we create any drives that we failed to create a device for? */
4535 drive_check_orphaned();
4536
4537 /* Don't warn about the default network setup that you get if
4538 * no command line -net or -netdev options are specified. There
4539 * are two cases that we would otherwise complain about:
4540 * (1) board doesn't support a NIC but the implicit "-net nic"
4541 * requested one
4542 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4543 * sets up a nic that isn't connected to anything.
4544 */
4545 if (!default_net) {
4546 net_check_clients();
4547 }
4548
4549
4550 if (boot_once) {
4551 qemu_boot_set(boot_once, &error_fatal);
4552 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4553 }
4554
4555 ds = init_displaystate();
4556
4557 /* init local displays */
4558 switch (display_type) {
4559 case DT_CURSES:
4560 curses_display_init(ds, full_screen);
4561 break;
4562 case DT_SDL:
4563 sdl_display_init(ds, full_screen, no_frame);
4564 break;
4565 case DT_COCOA:
4566 cocoa_display_init(ds, full_screen);
4567 break;
4568 case DT_GTK:
4569 gtk_display_init(ds, full_screen, grab_on_hover);
4570 break;
4571 default:
4572 break;
4573 }
4574
4575 /* must be after terminal init, SDL library changes signal handlers */
4576 os_setup_signal_handling();
4577
4578 /* init remote displays */
4579 #ifdef CONFIG_VNC
4580 qemu_opts_foreach(qemu_find_opts("vnc"),
4581 vnc_init_func, NULL, NULL);
4582 #endif
4583
4584 if (using_spice) {
4585 qemu_spice_display_init();
4586 }
4587
4588 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4589 exit(1);
4590 }
4591
4592 qdev_machine_creation_done();
4593
4594 /* TODO: once all bus devices are qdevified, this should be done
4595 * when bus is created by qdev.c */
4596 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4597 qemu_run_machine_init_done_notifiers();
4598
4599 if (rom_check_and_register_reset() != 0) {
4600 error_report("rom check and register reset failed");
4601 exit(1);
4602 }
4603
4604 replay_start();
4605
4606 /* This checkpoint is required by replay to separate prior clock
4607 reading from the other reads, because timer polling functions query
4608 clock values from the log. */
4609 replay_checkpoint(CHECKPOINT_RESET);
4610 qemu_system_reset(VMRESET_SILENT);
4611 register_global_state();
4612 if (loadvm) {
4613 if (load_vmstate(loadvm) < 0) {
4614 autostart = 0;
4615 }
4616 }
4617
4618 qdev_prop_check_globals();
4619 if (vmstate_dump_file) {
4620 /* dump and exit */
4621 dump_vmstate_json_to_file(vmstate_dump_file);
4622 return 0;
4623 }
4624
4625 if (incoming) {
4626 Error *local_err = NULL;
4627 qemu_start_incoming_migration(incoming, &local_err);
4628 if (local_err) {
4629 error_reportf_err(local_err, "-incoming %s: ", incoming);
4630 exit(1);
4631 }
4632 } else if (autostart) {
4633 vm_start();
4634 }
4635
4636 os_setup_post();
4637
4638 main_loop();
4639 replay_disable_events();
4640 iothread_stop_all();
4641
4642 bdrv_close_all();
4643 pause_all_vcpus();
4644 res_free();
4645
4646 /* vhost-user must be cleaned up before chardevs. */
4647 net_cleanup();
4648 audio_cleanup();
4649 monitor_cleanup();
4650 qemu_chr_cleanup();
4651
4652 return 0;
4653 }
Random patches