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ramblock-notifier: new
[qemu/kevin.git] / vl.c
bloba52c5f244818258ad4eaa88c943a9f79b51f8ac5
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/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/qdev.h"
71 #include "hw/loader.h"
72 #include "monitor/qdev.h"
73 #include "sysemu/bt.h"
74 #include "net/net.h"
75 #include "net/slirp.h"
76 #include "monitor/monitor.h"
77 #include "ui/console.h"
78 #include "ui/input.h"
79 #include "sysemu/sysemu.h"
80 #include "sysemu/numa.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/log.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/cpus.h"
94 #include "migration/colo.h"
95 #include "sysemu/kvm.h"
96 #include "qapi/qmp/qjson.h"
97 #include "qemu/option.h"
98 #include "qemu/config-file.h"
99 #include "qemu-options.h"
100 #include "qmp-commands.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qmp/qerror.h"
126 #include "sysemu/iothread.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 int request_opengl = -1;
136 int display_opengl;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 static bool grab_on_hover;
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
158 int singlestep = 0;
159 int smp_cpus = 1;
160 int max_cpus = 1;
161 int smp_cores = 1;
162 int smp_threads = 1;
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 QemuUUID qemu_uuid;
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213 static int default_net = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "floppy", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
235 { .driver = "virtio-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_option_rom_opts = {
270 .name = "option-rom",
271 .implied_opt_name = "romfile",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
273 .desc = {
274 {
275 .name = "bootindex",
276 .type = QEMU_OPT_NUMBER,
277 }, {
278 .name = "romfile",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_machine_opts = {
286 .name = "machine",
287 .implied_opt_name = "type",
288 .merge_lists = true,
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
290 .desc = {
291 /*
292 * no elements => accept any
293 * sanity checking will happen later
294 * when setting machine properties
295 */
296 { }
297 },
298 };
299
300 static QemuOptsList qemu_boot_opts = {
301 .name = "boot-opts",
302 .implied_opt_name = "order",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
305 .desc = {
306 {
307 .name = "order",
308 .type = QEMU_OPT_STRING,
309 }, {
310 .name = "once",
311 .type = QEMU_OPT_STRING,
312 }, {
313 .name = "menu",
314 .type = QEMU_OPT_BOOL,
315 }, {
316 .name = "splash",
317 .type = QEMU_OPT_STRING,
318 }, {
319 .name = "splash-time",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "reboot-timeout",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "strict",
326 .type = QEMU_OPT_BOOL,
327 },
328 { /*End of list */ }
329 },
330 };
331
332 static QemuOptsList qemu_add_fd_opts = {
333 .name = "add-fd",
334 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
335 .desc = {
336 {
337 .name = "fd",
338 .type = QEMU_OPT_NUMBER,
339 .help = "file descriptor of which a duplicate is added to fd set",
340 },{
341 .name = "set",
342 .type = QEMU_OPT_NUMBER,
343 .help = "ID of the fd set to add fd to",
344 },{
345 .name = "opaque",
346 .type = QEMU_OPT_STRING,
347 .help = "free-form string used to describe fd",
348 },
349 { /* end of list */ }
350 },
351 };
352
353 static QemuOptsList qemu_object_opts = {
354 .name = "object",
355 .implied_opt_name = "qom-type",
356 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
357 .desc = {
358 { }
359 },
360 };
361
362 static QemuOptsList qemu_tpmdev_opts = {
363 .name = "tpmdev",
364 .implied_opt_name = "type",
365 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
366 .desc = {
367 /* options are defined in the TPM backends */
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_realtime_opts = {
373 .name = "realtime",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
375 .desc = {
376 {
377 .name = "mlock",
378 .type = QEMU_OPT_BOOL,
379 },
380 { /* end of list */ }
381 },
382 };
383
384 static QemuOptsList qemu_msg_opts = {
385 .name = "msg",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
387 .desc = {
388 {
389 .name = "timestamp",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_name_opts = {
397 .name = "name",
398 .implied_opt_name = "guest",
399 .merge_lists = true,
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
401 .desc = {
402 {
403 .name = "guest",
404 .type = QEMU_OPT_STRING,
405 .help = "Sets the name of the guest.\n"
406 "This name will be displayed in the SDL window caption.\n"
407 "The name will also be used for the VNC server",
408 }, {
409 .name = "process",
410 .type = QEMU_OPT_STRING,
411 .help = "Sets the name of the QEMU process, as shown in top etc",
412 }, {
413 .name = "debug-threads",
414 .type = QEMU_OPT_BOOL,
415 .help = "When enabled, name the individual threads; defaults off.\n"
416 "NOTE: The thread names are for debugging and not a\n"
417 "stable API.",
418 },
419 { /* End of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_mem_opts = {
424 .name = "memory",
425 .implied_opt_name = "size",
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
427 .merge_lists = true,
428 .desc = {
429 {
430 .name = "size",
431 .type = QEMU_OPT_SIZE,
432 },
433 {
434 .name = "slots",
435 .type = QEMU_OPT_NUMBER,
436 },
437 {
438 .name = "maxmem",
439 .type = QEMU_OPT_SIZE,
440 },
441 { /* end of list */ }
442 },
443 };
444
445 static QemuOptsList qemu_icount_opts = {
446 .name = "icount",
447 .implied_opt_name = "shift",
448 .merge_lists = true,
449 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
450 .desc = {
451 {
452 .name = "shift",
453 .type = QEMU_OPT_STRING,
454 }, {
455 .name = "align",
456 .type = QEMU_OPT_BOOL,
457 }, {
458 .name = "sleep",
459 .type = QEMU_OPT_BOOL,
460 }, {
461 .name = "rr",
462 .type = QEMU_OPT_STRING,
463 }, {
464 .name = "rrfile",
465 .type = QEMU_OPT_STRING,
466 },
467 { /* end of list */ }
468 },
469 };
470
471 static QemuOptsList qemu_semihosting_config_opts = {
472 .name = "semihosting-config",
473 .implied_opt_name = "enable",
474 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
475 .desc = {
476 {
477 .name = "enable",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "target",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "arg",
484 .type = QEMU_OPT_STRING,
485 },
486 { /* end of list */ }
487 },
488 };
489
490 static QemuOptsList qemu_fw_cfg_opts = {
491 .name = "fw_cfg",
492 .implied_opt_name = "name",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
494 .desc = {
495 {
496 .name = "name",
497 .type = QEMU_OPT_STRING,
498 .help = "Sets the fw_cfg name of the blob to be inserted",
499 }, {
500 .name = "file",
501 .type = QEMU_OPT_STRING,
502 .help = "Sets the name of the file from which\n"
503 "the fw_cfg blob will be loaded",
504 }, {
505 .name = "string",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets content of the blob to be inserted from a string",
508 },
509 { /* end of list */ }
510 },
511 };
512
513 #ifdef CONFIG_LIBISCSI
514 static QemuOptsList qemu_iscsi_opts = {
515 .name = "iscsi",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
517 .desc = {
518 {
519 .name = "user",
520 .type = QEMU_OPT_STRING,
521 .help = "username for CHAP authentication to target",
522 },{
523 .name = "password",
524 .type = QEMU_OPT_STRING,
525 .help = "password for CHAP authentication to target",
526 },{
527 .name = "password-secret",
528 .type = QEMU_OPT_STRING,
529 .help = "ID of the secret providing password for CHAP "
530 "authentication to target",
531 },{
532 .name = "header-digest",
533 .type = QEMU_OPT_STRING,
534 .help = "HeaderDigest setting. "
535 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
536 },{
537 .name = "initiator-name",
538 .type = QEMU_OPT_STRING,
539 .help = "Initiator iqn name to use when connecting",
540 },{
541 .name = "timeout",
542 .type = QEMU_OPT_NUMBER,
543 .help = "Request timeout in seconds (default 0 = no timeout)",
544 },
545 { /* end of list */ }
546 },
547 };
548 #endif
549
550 /**
551 * Get machine options
552 *
553 * Returns: machine options (never null).
554 */
555 QemuOpts *qemu_get_machine_opts(void)
556 {
557 return qemu_find_opts_singleton("machine");
558 }
559
560 const char *qemu_get_vm_name(void)
561 {
562 return qemu_name;
563 }
564
565 static void res_free(void)
566 {
567 g_free(boot_splash_filedata);
568 boot_splash_filedata = NULL;
569 }
570
571 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
572 {
573 const char *driver = qemu_opt_get(opts, "driver");
574 int i;
575
576 if (!driver)
577 return 0;
578 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
579 if (strcmp(default_list[i].driver, driver) != 0)
580 continue;
581 *(default_list[i].flag) = 0;
582 }
583 return 0;
584 }
585
586 /***********************************************************/
587 /* QEMU state */
588
589 static RunState current_run_state = RUN_STATE_PRELAUNCH;
590
591 /* We use RUN_STATE__MAX but any invalid value will do */
592 static RunState vmstop_requested = RUN_STATE__MAX;
593 static QemuMutex vmstop_lock;
594
595 typedef struct {
596 RunState from;
597 RunState to;
598 } RunStateTransition;
599
600 static const RunStateTransition runstate_transitions_def[] = {
601 /* from -> to */
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_PAUSED, RUN_STATE_COLO},
631
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
635
636 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
639
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
644
645 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
646 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_COLO, RUN_STATE_RUNNING },
649
650 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
651 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
652 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
653 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
654 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
655 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
656 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
657 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
658 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
659 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
660 { RUN_STATE_RUNNING, RUN_STATE_COLO},
661
662 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
663
664 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
665 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
669 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
670 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
671 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
673 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
674
675 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
676 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
678 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
679
680 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
683
684 { RUN_STATE__MAX, RUN_STATE__MAX },
685 };
686
687 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
688
689 bool runstate_check(RunState state)
690 {
691 return current_run_state == state;
692 }
693
694 bool runstate_store(char *str, size_t size)
695 {
696 const char *state = RunState_lookup[current_run_state];
697 size_t len = strlen(state) + 1;
698
699 if (len > size) {
700 return false;
701 }
702 memcpy(str, state, len);
703 return true;
704 }
705
706 static void runstate_init(void)
707 {
708 const RunStateTransition *p;
709
710 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
711 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
712 runstate_valid_transitions[p->from][p->to] = true;
713 }
714
715 qemu_mutex_init(&vmstop_lock);
716 }
717
718 /* This function will abort() on invalid state transitions */
719 void runstate_set(RunState new_state)
720 {
721 assert(new_state < RUN_STATE__MAX);
722
723 if (current_run_state == new_state) {
724 return;
725 }
726
727 if (!runstate_valid_transitions[current_run_state][new_state]) {
728 error_report("invalid runstate transition: '%s' -> '%s'",
729 RunState_lookup[current_run_state],
730 RunState_lookup[new_state]);
731 abort();
732 }
733 trace_runstate_set(new_state);
734 current_run_state = new_state;
735 }
736
737 int runstate_is_running(void)
738 {
739 return runstate_check(RUN_STATE_RUNNING);
740 }
741
742 bool runstate_needs_reset(void)
743 {
744 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
745 runstate_check(RUN_STATE_SHUTDOWN);
746 }
747
748 StatusInfo *qmp_query_status(Error **errp)
749 {
750 StatusInfo *info = g_malloc0(sizeof(*info));
751
752 info->running = runstate_is_running();
753 info->singlestep = singlestep;
754 info->status = current_run_state;
755
756 return info;
757 }
758
759 static bool qemu_vmstop_requested(RunState *r)
760 {
761 qemu_mutex_lock(&vmstop_lock);
762 *r = vmstop_requested;
763 vmstop_requested = RUN_STATE__MAX;
764 qemu_mutex_unlock(&vmstop_lock);
765 return *r < RUN_STATE__MAX;
766 }
767
768 void qemu_system_vmstop_request_prepare(void)
769 {
770 qemu_mutex_lock(&vmstop_lock);
771 }
772
773 void qemu_system_vmstop_request(RunState state)
774 {
775 vmstop_requested = state;
776 qemu_mutex_unlock(&vmstop_lock);
777 qemu_notify_event();
778 }
779
780 void vm_start(void)
781 {
782 RunState requested;
783
784 qemu_vmstop_requested(&requested);
785 if (runstate_is_running() && requested == RUN_STATE__MAX) {
786 return;
787 }
788
789 /* Ensure that a STOP/RESUME pair of events is emitted if a
790 * vmstop request was pending. The BLOCK_IO_ERROR event, for
791 * example, according to documentation is always followed by
792 * the STOP event.
793 */
794 if (runstate_is_running()) {
795 qapi_event_send_stop(&error_abort);
796 } else {
797 replay_enable_events();
798 cpu_enable_ticks();
799 runstate_set(RUN_STATE_RUNNING);
800 vm_state_notify(1, RUN_STATE_RUNNING);
801 resume_all_vcpus();
802 }
803
804 qapi_event_send_resume(&error_abort);
805 }
806
807
808 /***********************************************************/
809 /* real time host monotonic timer */
810
811 static time_t qemu_time(void)
812 {
813 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
814 }
815
816 /***********************************************************/
817 /* host time/date access */
818 void qemu_get_timedate(struct tm *tm, int offset)
819 {
820 time_t ti = qemu_time();
821
822 ti += offset;
823 if (rtc_date_offset == -1) {
824 if (rtc_utc)
825 gmtime_r(&ti, tm);
826 else
827 localtime_r(&ti, tm);
828 } else {
829 ti -= rtc_date_offset;
830 gmtime_r(&ti, tm);
831 }
832 }
833
834 int qemu_timedate_diff(struct tm *tm)
835 {
836 time_t seconds;
837
838 if (rtc_date_offset == -1)
839 if (rtc_utc)
840 seconds = mktimegm(tm);
841 else {
842 struct tm tmp = *tm;
843 tmp.tm_isdst = -1; /* use timezone to figure it out */
844 seconds = mktime(&tmp);
845 }
846 else
847 seconds = mktimegm(tm) + rtc_date_offset;
848
849 return seconds - qemu_time();
850 }
851
852 static void configure_rtc_date_offset(const char *startdate, int legacy)
853 {
854 time_t rtc_start_date;
855 struct tm tm;
856
857 if (!strcmp(startdate, "now") && legacy) {
858 rtc_date_offset = -1;
859 } else {
860 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
861 &tm.tm_year,
862 &tm.tm_mon,
863 &tm.tm_mday,
864 &tm.tm_hour,
865 &tm.tm_min,
866 &tm.tm_sec) == 6) {
867 /* OK */
868 } else if (sscanf(startdate, "%d-%d-%d",
869 &tm.tm_year,
870 &tm.tm_mon,
871 &tm.tm_mday) == 3) {
872 tm.tm_hour = 0;
873 tm.tm_min = 0;
874 tm.tm_sec = 0;
875 } else {
876 goto date_fail;
877 }
878 tm.tm_year -= 1900;
879 tm.tm_mon--;
880 rtc_start_date = mktimegm(&tm);
881 if (rtc_start_date == -1) {
882 date_fail:
883 error_report("invalid date format");
884 error_printf("valid formats: "
885 "'2006-06-17T16:01:21' or '2006-06-17'\n");
886 exit(1);
887 }
888 rtc_date_offset = qemu_time() - rtc_start_date;
889 }
890 }
891
892 static void configure_rtc(QemuOpts *opts)
893 {
894 const char *value;
895
896 value = qemu_opt_get(opts, "base");
897 if (value) {
898 if (!strcmp(value, "utc")) {
899 rtc_utc = 1;
900 } else if (!strcmp(value, "localtime")) {
901 Error *blocker = NULL;
902 rtc_utc = 0;
903 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
904 "-rtc base=localtime");
905 replay_add_blocker(blocker);
906 } else {
907 configure_rtc_date_offset(value, 0);
908 }
909 }
910 value = qemu_opt_get(opts, "clock");
911 if (value) {
912 if (!strcmp(value, "host")) {
913 rtc_clock = QEMU_CLOCK_HOST;
914 } else if (!strcmp(value, "rt")) {
915 rtc_clock = QEMU_CLOCK_REALTIME;
916 } else if (!strcmp(value, "vm")) {
917 rtc_clock = QEMU_CLOCK_VIRTUAL;
918 } else {
919 error_report("invalid option value '%s'", value);
920 exit(1);
921 }
922 }
923 value = qemu_opt_get(opts, "driftfix");
924 if (value) {
925 if (!strcmp(value, "slew")) {
926 static GlobalProperty slew_lost_ticks = {
927 .driver = "mc146818rtc",
928 .property = "lost_tick_policy",
929 .value = "slew",
930 };
931
932 qdev_prop_register_global(&slew_lost_ticks);
933 } else if (!strcmp(value, "none")) {
934 /* discard is default */
935 } else {
936 error_report("invalid option value '%s'", value);
937 exit(1);
938 }
939 }
940 }
941
942 /***********************************************************/
943 /* Bluetooth support */
944 static int nb_hcis;
945 static int cur_hci;
946 static struct HCIInfo *hci_table[MAX_NICS];
947
948 struct HCIInfo *qemu_next_hci(void)
949 {
950 if (cur_hci == nb_hcis)
951 return &null_hci;
952
953 return hci_table[cur_hci++];
954 }
955
956 static int bt_hci_parse(const char *str)
957 {
958 struct HCIInfo *hci;
959 bdaddr_t bdaddr;
960
961 if (nb_hcis >= MAX_NICS) {
962 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
963 return -1;
964 }
965
966 hci = hci_init(str);
967 if (!hci)
968 return -1;
969
970 bdaddr.b[0] = 0x52;
971 bdaddr.b[1] = 0x54;
972 bdaddr.b[2] = 0x00;
973 bdaddr.b[3] = 0x12;
974 bdaddr.b[4] = 0x34;
975 bdaddr.b[5] = 0x56 + nb_hcis;
976 hci->bdaddr_set(hci, bdaddr.b);
977
978 hci_table[nb_hcis++] = hci;
979
980 return 0;
981 }
982
983 static void bt_vhci_add(int vlan_id)
984 {
985 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
986
987 if (!vlan->slave)
988 error_report("warning: adding a VHCI to an empty scatternet %i",
989 vlan_id);
990
991 bt_vhci_init(bt_new_hci(vlan));
992 }
993
994 static struct bt_device_s *bt_device_add(const char *opt)
995 {
996 struct bt_scatternet_s *vlan;
997 int vlan_id = 0;
998 char *endp = strstr(opt, ",vlan=");
999 int len = (endp ? endp - opt : strlen(opt)) + 1;
1000 char devname[10];
1001
1002 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1003
1004 if (endp) {
1005 vlan_id = strtol(endp + 6, &endp, 0);
1006 if (*endp) {
1007 error_report("unrecognised bluetooth vlan Id");
1008 return 0;
1009 }
1010 }
1011
1012 vlan = qemu_find_bt_vlan(vlan_id);
1013
1014 if (!vlan->slave)
1015 error_report("warning: adding a slave device to an empty scatternet %i",
1016 vlan_id);
1017
1018 if (!strcmp(devname, "keyboard"))
1019 return bt_keyboard_init(vlan);
1020
1021 error_report("unsupported bluetooth device '%s'", devname);
1022 return 0;
1023 }
1024
1025 static int bt_parse(const char *opt)
1026 {
1027 const char *endp, *p;
1028 int vlan;
1029
1030 if (strstart(opt, "hci", &endp)) {
1031 if (!*endp || *endp == ',') {
1032 if (*endp)
1033 if (!strstart(endp, ",vlan=", 0))
1034 opt = endp + 1;
1035
1036 return bt_hci_parse(opt);
1037 }
1038 } else if (strstart(opt, "vhci", &endp)) {
1039 if (!*endp || *endp == ',') {
1040 if (*endp) {
1041 if (strstart(endp, ",vlan=", &p)) {
1042 vlan = strtol(p, (char **) &endp, 0);
1043 if (*endp) {
1044 error_report("bad scatternet '%s'", p);
1045 return 1;
1046 }
1047 } else {
1048 error_report("bad parameter '%s'", endp + 1);
1049 return 1;
1050 }
1051 } else
1052 vlan = 0;
1053
1054 bt_vhci_add(vlan);
1055 return 0;
1056 }
1057 } else if (strstart(opt, "device:", &endp))
1058 return !bt_device_add(endp);
1059
1060 error_report("bad bluetooth parameter '%s'", opt);
1061 return 1;
1062 }
1063
1064 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1065 {
1066 /* FIXME: change this to true for 1.3 */
1067 if (qemu_opt_get_bool(opts, "enable", false)) {
1068 #ifdef CONFIG_SECCOMP
1069 if (seccomp_start() < 0) {
1070 error_report("failed to install seccomp syscall filter "
1071 "in the kernel");
1072 return -1;
1073 }
1074 #else
1075 error_report("seccomp support is disabled");
1076 return -1;
1077 #endif
1078 }
1079
1080 return 0;
1081 }
1082
1083 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1084 {
1085 const char *proc_name;
1086
1087 if (qemu_opt_get(opts, "debug-threads")) {
1088 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1089 }
1090 qemu_name = qemu_opt_get(opts, "guest");
1091
1092 proc_name = qemu_opt_get(opts, "process");
1093 if (proc_name) {
1094 os_set_proc_name(proc_name);
1095 }
1096
1097 return 0;
1098 }
1099
1100 bool defaults_enabled(void)
1101 {
1102 return has_defaults;
1103 }
1104
1105 #ifndef _WIN32
1106 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1107 {
1108 int fd, dupfd, flags;
1109 int64_t fdset_id;
1110 const char *fd_opaque = NULL;
1111 AddfdInfo *fdinfo;
1112
1113 fd = qemu_opt_get_number(opts, "fd", -1);
1114 fdset_id = qemu_opt_get_number(opts, "set", -1);
1115 fd_opaque = qemu_opt_get(opts, "opaque");
1116
1117 if (fd < 0) {
1118 error_report("fd option is required and must be non-negative");
1119 return -1;
1120 }
1121
1122 if (fd <= STDERR_FILENO) {
1123 error_report("fd cannot be a standard I/O stream");
1124 return -1;
1125 }
1126
1127 /*
1128 * All fds inherited across exec() necessarily have FD_CLOEXEC
1129 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1130 */
1131 flags = fcntl(fd, F_GETFD);
1132 if (flags == -1 || (flags & FD_CLOEXEC)) {
1133 error_report("fd is not valid or already in use");
1134 return -1;
1135 }
1136
1137 if (fdset_id < 0) {
1138 error_report("set option is required and must be non-negative");
1139 return -1;
1140 }
1141
1142 #ifdef F_DUPFD_CLOEXEC
1143 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1144 #else
1145 dupfd = dup(fd);
1146 if (dupfd != -1) {
1147 qemu_set_cloexec(dupfd);
1148 }
1149 #endif
1150 if (dupfd == -1) {
1151 error_report("error duplicating fd: %s", strerror(errno));
1152 return -1;
1153 }
1154
1155 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1156 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1157 &error_abort);
1158 g_free(fdinfo);
1159
1160 return 0;
1161 }
1162
1163 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1164 {
1165 int fd;
1166
1167 fd = qemu_opt_get_number(opts, "fd", -1);
1168 close(fd);
1169
1170 return 0;
1171 }
1172 #endif
1173
1174 /***********************************************************/
1175 /* QEMU Block devices */
1176
1177 #define HD_OPTS "media=disk"
1178 #define CDROM_OPTS "media=cdrom"
1179 #define FD_OPTS ""
1180 #define PFLASH_OPTS ""
1181 #define MTD_OPTS ""
1182 #define SD_OPTS ""
1183
1184 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1185 {
1186 BlockInterfaceType *block_default_type = opaque;
1187
1188 return drive_new(opts, *block_default_type) == NULL;
1189 }
1190
1191 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1192 {
1193 if (qemu_opt_get(opts, "snapshot") == NULL) {
1194 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1195 }
1196 return 0;
1197 }
1198
1199 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1200 int index, const char *optstr)
1201 {
1202 QemuOpts *opts;
1203 DriveInfo *dinfo;
1204
1205 if (!enable || drive_get_by_index(type, index)) {
1206 return;
1207 }
1208
1209 opts = drive_add(type, index, NULL, optstr);
1210 if (snapshot) {
1211 drive_enable_snapshot(NULL, opts, NULL);
1212 }
1213
1214 dinfo = drive_new(opts, type);
1215 if (!dinfo) {
1216 exit(1);
1217 }
1218 dinfo->is_default = true;
1219
1220 }
1221
1222 static QemuOptsList qemu_smp_opts = {
1223 .name = "smp-opts",
1224 .implied_opt_name = "cpus",
1225 .merge_lists = true,
1226 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1227 .desc = {
1228 {
1229 .name = "cpus",
1230 .type = QEMU_OPT_NUMBER,
1231 }, {
1232 .name = "sockets",
1233 .type = QEMU_OPT_NUMBER,
1234 }, {
1235 .name = "cores",
1236 .type = QEMU_OPT_NUMBER,
1237 }, {
1238 .name = "threads",
1239 .type = QEMU_OPT_NUMBER,
1240 }, {
1241 .name = "maxcpus",
1242 .type = QEMU_OPT_NUMBER,
1243 },
1244 { /*End of list */ }
1245 },
1246 };
1247
1248 static void smp_parse(QemuOpts *opts)
1249 {
1250 if (opts) {
1251 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1252 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1253 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1254 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1255
1256 /* compute missing values, prefer sockets over cores over threads */
1257 if (cpus == 0 || sockets == 0) {
1258 sockets = sockets > 0 ? sockets : 1;
1259 cores = cores > 0 ? cores : 1;
1260 threads = threads > 0 ? threads : 1;
1261 if (cpus == 0) {
1262 cpus = cores * threads * sockets;
1263 }
1264 } else if (cores == 0) {
1265 threads = threads > 0 ? threads : 1;
1266 cores = cpus / (sockets * threads);
1267 cores = cores > 0 ? cores : 1;
1268 } else if (threads == 0) {
1269 threads = cpus / (cores * sockets);
1270 threads = threads > 0 ? threads : 1;
1271 } else if (sockets * cores * threads < cpus) {
1272 error_report("cpu topology: "
1273 "sockets (%u) * cores (%u) * threads (%u) < "
1274 "smp_cpus (%u)",
1275 sockets, cores, threads, cpus);
1276 exit(1);
1277 }
1278
1279 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1280
1281 if (max_cpus < cpus) {
1282 error_report("maxcpus must be equal to or greater than smp");
1283 exit(1);
1284 }
1285
1286 if (sockets * cores * threads > max_cpus) {
1287 error_report("cpu topology: "
1288 "sockets (%u) * cores (%u) * threads (%u) > "
1289 "maxcpus (%u)",
1290 sockets, cores, threads, max_cpus);
1291 exit(1);
1292 }
1293
1294 smp_cpus = cpus;
1295 smp_cores = cores;
1296 smp_threads = threads;
1297 }
1298
1299 if (smp_cpus > 1) {
1300 Error *blocker = NULL;
1301 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1302 replay_add_blocker(blocker);
1303 }
1304 }
1305
1306 static void realtime_init(void)
1307 {
1308 if (enable_mlock) {
1309 if (os_mlock() < 0) {
1310 error_report("locking memory failed");
1311 exit(1);
1312 }
1313 }
1314 }
1315
1316
1317 static void configure_msg(QemuOpts *opts)
1318 {
1319 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1320 }
1321
1322 /***********************************************************/
1323 /* Semihosting */
1324
1325 typedef struct SemihostingConfig {
1326 bool enabled;
1327 SemihostingTarget target;
1328 const char **argv;
1329 int argc;
1330 const char *cmdline; /* concatenated argv */
1331 } SemihostingConfig;
1332
1333 static SemihostingConfig semihosting;
1334
1335 bool semihosting_enabled(void)
1336 {
1337 return semihosting.enabled;
1338 }
1339
1340 SemihostingTarget semihosting_get_target(void)
1341 {
1342 return semihosting.target;
1343 }
1344
1345 const char *semihosting_get_arg(int i)
1346 {
1347 if (i >= semihosting.argc) {
1348 return NULL;
1349 }
1350 return semihosting.argv[i];
1351 }
1352
1353 int semihosting_get_argc(void)
1354 {
1355 return semihosting.argc;
1356 }
1357
1358 const char *semihosting_get_cmdline(void)
1359 {
1360 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1361 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1362 }
1363 return semihosting.cmdline;
1364 }
1365
1366 static int add_semihosting_arg(void *opaque,
1367 const char *name, const char *val,
1368 Error **errp)
1369 {
1370 SemihostingConfig *s = opaque;
1371 if (strcmp(name, "arg") == 0) {
1372 s->argc++;
1373 /* one extra element as g_strjoinv() expects NULL-terminated array */
1374 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1375 s->argv[s->argc - 1] = val;
1376 s->argv[s->argc] = NULL;
1377 }
1378 return 0;
1379 }
1380
1381 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1382 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1383 {
1384 char *cmd_token;
1385
1386 /* argv[0] */
1387 add_semihosting_arg(&semihosting, "arg", file, NULL);
1388
1389 /* split -append and initialize argv[1..n] */
1390 cmd_token = strtok(g_strdup(cmd), " ");
1391 while (cmd_token) {
1392 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1393 cmd_token = strtok(NULL, " ");
1394 }
1395 }
1396
1397 /* Now we still need this for compatibility with XEN. */
1398 bool has_igd_gfx_passthru;
1399 static void igd_gfx_passthru(void)
1400 {
1401 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1402 }
1403
1404 /***********************************************************/
1405 /* USB devices */
1406
1407 static int usb_device_add(const char *devname)
1408 {
1409 USBDevice *dev = NULL;
1410 #ifndef CONFIG_LINUX
1411 const char *p;
1412 #endif
1413
1414 if (!machine_usb(current_machine)) {
1415 return -1;
1416 }
1417
1418 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1419 dev = usbdevice_create(devname);
1420 if (dev)
1421 goto done;
1422
1423 /* the other ones */
1424 #ifndef CONFIG_LINUX
1425 /* only the linux version is qdev-ified, usb-bsd still needs this */
1426 if (strstart(devname, "host:", &p)) {
1427 dev = usb_host_device_open(usb_bus_find(-1), p);
1428 }
1429 #endif
1430 if (!dev)
1431 return -1;
1432
1433 done:
1434 return 0;
1435 }
1436
1437 static int usb_device_del(const char *devname)
1438 {
1439 int bus_num, addr;
1440 const char *p;
1441
1442 if (strstart(devname, "host:", &p)) {
1443 return -1;
1444 }
1445
1446 if (!machine_usb(current_machine)) {
1447 return -1;
1448 }
1449
1450 p = strchr(devname, '.');
1451 if (!p)
1452 return -1;
1453 bus_num = strtoul(devname, NULL, 0);
1454 addr = strtoul(p + 1, NULL, 0);
1455
1456 return usb_device_delete_addr(bus_num, addr);
1457 }
1458
1459 static int usb_parse(const char *cmdline)
1460 {
1461 int r;
1462 r = usb_device_add(cmdline);
1463 if (r < 0) {
1464 error_report("could not add USB device '%s'", cmdline);
1465 }
1466 return r;
1467 }
1468
1469 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1470 {
1471 const char *devname = qdict_get_str(qdict, "devname");
1472 if (usb_device_add(devname) < 0) {
1473 error_report("could not add USB device '%s'", devname);
1474 }
1475 }
1476
1477 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1478 {
1479 const char *devname = qdict_get_str(qdict, "devname");
1480 if (usb_device_del(devname) < 0) {
1481 error_report("could not delete USB device '%s'", devname);
1482 }
1483 }
1484
1485 /***********************************************************/
1486 /* machine registration */
1487
1488 MachineState *current_machine;
1489
1490 static MachineClass *find_machine(const char *name)
1491 {
1492 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1493 MachineClass *mc = NULL;
1494
1495 for (el = machines; el; el = el->next) {
1496 MachineClass *temp = el->data;
1497
1498 if (!strcmp(temp->name, name)) {
1499 mc = temp;
1500 break;
1501 }
1502 if (temp->alias &&
1503 !strcmp(temp->alias, name)) {
1504 mc = temp;
1505 break;
1506 }
1507 }
1508
1509 g_slist_free(machines);
1510 return mc;
1511 }
1512
1513 MachineClass *find_default_machine(void)
1514 {
1515 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1516 MachineClass *mc = NULL;
1517
1518 for (el = machines; el; el = el->next) {
1519 MachineClass *temp = el->data;
1520
1521 if (temp->is_default) {
1522 mc = temp;
1523 break;
1524 }
1525 }
1526
1527 g_slist_free(machines);
1528 return mc;
1529 }
1530
1531 MachineInfoList *qmp_query_machines(Error **errp)
1532 {
1533 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1534 MachineInfoList *mach_list = NULL;
1535
1536 for (el = machines; el; el = el->next) {
1537 MachineClass *mc = el->data;
1538 MachineInfoList *entry;
1539 MachineInfo *info;
1540
1541 info = g_malloc0(sizeof(*info));
1542 if (mc->is_default) {
1543 info->has_is_default = true;
1544 info->is_default = true;
1545 }
1546
1547 if (mc->alias) {
1548 info->has_alias = true;
1549 info->alias = g_strdup(mc->alias);
1550 }
1551
1552 info->name = g_strdup(mc->name);
1553 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1554 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1555
1556 entry = g_malloc0(sizeof(*entry));
1557 entry->value = info;
1558 entry->next = mach_list;
1559 mach_list = entry;
1560 }
1561
1562 g_slist_free(machines);
1563 return mach_list;
1564 }
1565
1566 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1567 {
1568 ObjectProperty *prop;
1569 ObjectPropertyIterator iter;
1570
1571 if (!qemu_opt_has_help_opt(opts)) {
1572 return 0;
1573 }
1574
1575 object_property_iter_init(&iter, OBJECT(machine));
1576 while ((prop = object_property_iter_next(&iter))) {
1577 if (!prop->set) {
1578 continue;
1579 }
1580
1581 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1582 prop->name, prop->type);
1583 if (prop->description) {
1584 error_printf(" (%s)\n", prop->description);
1585 } else {
1586 error_printf("\n");
1587 }
1588 }
1589
1590 return 1;
1591 }
1592
1593 /***********************************************************/
1594 /* main execution loop */
1595
1596 struct vm_change_state_entry {
1597 VMChangeStateHandler *cb;
1598 void *opaque;
1599 QLIST_ENTRY (vm_change_state_entry) entries;
1600 };
1601
1602 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1603
1604 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1605 void *opaque)
1606 {
1607 VMChangeStateEntry *e;
1608
1609 e = g_malloc0(sizeof (*e));
1610
1611 e->cb = cb;
1612 e->opaque = opaque;
1613 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1614 return e;
1615 }
1616
1617 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1618 {
1619 QLIST_REMOVE (e, entries);
1620 g_free (e);
1621 }
1622
1623 void vm_state_notify(int running, RunState state)
1624 {
1625 VMChangeStateEntry *e, *next;
1626
1627 trace_vm_state_notify(running, state);
1628
1629 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1630 e->cb(e->opaque, running, state);
1631 }
1632 }
1633
1634 static int reset_requested;
1635 static int shutdown_requested, shutdown_signal = -1;
1636 static pid_t shutdown_pid;
1637 static int powerdown_requested;
1638 static int debug_requested;
1639 static int suspend_requested;
1640 static WakeupReason wakeup_reason;
1641 static NotifierList powerdown_notifiers =
1642 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1643 static NotifierList suspend_notifiers =
1644 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1645 static NotifierList wakeup_notifiers =
1646 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1647 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1648
1649 int qemu_shutdown_requested_get(void)
1650 {
1651 return shutdown_requested;
1652 }
1653
1654 int qemu_reset_requested_get(void)
1655 {
1656 return reset_requested;
1657 }
1658
1659 static int qemu_shutdown_requested(void)
1660 {
1661 return atomic_xchg(&shutdown_requested, 0);
1662 }
1663
1664 static void qemu_kill_report(void)
1665 {
1666 if (!qtest_driver() && shutdown_signal != -1) {
1667 if (shutdown_pid == 0) {
1668 /* This happens for eg ^C at the terminal, so it's worth
1669 * avoiding printing an odd message in that case.
1670 */
1671 error_report("terminating on signal %d", shutdown_signal);
1672 } else {
1673 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1674
1675 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1676 shutdown_signal, shutdown_pid,
1677 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1678 g_free(shutdown_cmd);
1679 }
1680 shutdown_signal = -1;
1681 }
1682 }
1683
1684 static int qemu_reset_requested(void)
1685 {
1686 int r = reset_requested;
1687 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1688 reset_requested = 0;
1689 return r;
1690 }
1691 return false;
1692 }
1693
1694 static int qemu_suspend_requested(void)
1695 {
1696 int r = suspend_requested;
1697 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1698 suspend_requested = 0;
1699 return r;
1700 }
1701 return false;
1702 }
1703
1704 static WakeupReason qemu_wakeup_requested(void)
1705 {
1706 return wakeup_reason;
1707 }
1708
1709 static int qemu_powerdown_requested(void)
1710 {
1711 int r = powerdown_requested;
1712 powerdown_requested = 0;
1713 return r;
1714 }
1715
1716 static int qemu_debug_requested(void)
1717 {
1718 int r = debug_requested;
1719 debug_requested = 0;
1720 return r;
1721 }
1722
1723 void qemu_system_reset(bool report)
1724 {
1725 MachineClass *mc;
1726
1727 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1728
1729 cpu_synchronize_all_states();
1730
1731 if (mc && mc->reset) {
1732 mc->reset();
1733 } else {
1734 qemu_devices_reset();
1735 }
1736 if (report) {
1737 qapi_event_send_reset(&error_abort);
1738 }
1739 cpu_synchronize_all_post_reset();
1740 }
1741
1742 void qemu_system_guest_panicked(void)
1743 {
1744 if (current_cpu) {
1745 current_cpu->crash_occurred = true;
1746 }
1747 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1748 vm_stop(RUN_STATE_GUEST_PANICKED);
1749 if (!no_shutdown) {
1750 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1751 &error_abort);
1752 qemu_system_shutdown_request();
1753 }
1754 }
1755
1756 void qemu_system_reset_request(void)
1757 {
1758 if (no_reboot) {
1759 shutdown_requested = 1;
1760 } else {
1761 reset_requested = 1;
1762 }
1763 cpu_stop_current();
1764 qemu_notify_event();
1765 }
1766
1767 static void qemu_system_suspend(void)
1768 {
1769 pause_all_vcpus();
1770 notifier_list_notify(&suspend_notifiers, NULL);
1771 runstate_set(RUN_STATE_SUSPENDED);
1772 qapi_event_send_suspend(&error_abort);
1773 }
1774
1775 void qemu_system_suspend_request(void)
1776 {
1777 if (runstate_check(RUN_STATE_SUSPENDED)) {
1778 return;
1779 }
1780 suspend_requested = 1;
1781 cpu_stop_current();
1782 qemu_notify_event();
1783 }
1784
1785 void qemu_register_suspend_notifier(Notifier *notifier)
1786 {
1787 notifier_list_add(&suspend_notifiers, notifier);
1788 }
1789
1790 void qemu_system_wakeup_request(WakeupReason reason)
1791 {
1792 trace_system_wakeup_request(reason);
1793
1794 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1795 return;
1796 }
1797 if (!(wakeup_reason_mask & (1 << reason))) {
1798 return;
1799 }
1800 runstate_set(RUN_STATE_RUNNING);
1801 wakeup_reason = reason;
1802 qemu_notify_event();
1803 }
1804
1805 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1806 {
1807 if (enabled) {
1808 wakeup_reason_mask |= (1 << reason);
1809 } else {
1810 wakeup_reason_mask &= ~(1 << reason);
1811 }
1812 }
1813
1814 void qemu_register_wakeup_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&wakeup_notifiers, notifier);
1817 }
1818
1819 void qemu_system_killed(int signal, pid_t pid)
1820 {
1821 shutdown_signal = signal;
1822 shutdown_pid = pid;
1823 no_shutdown = 0;
1824
1825 /* Cannot call qemu_system_shutdown_request directly because
1826 * we are in a signal handler.
1827 */
1828 shutdown_requested = 1;
1829 qemu_notify_event();
1830 }
1831
1832 void qemu_system_shutdown_request(void)
1833 {
1834 trace_qemu_system_shutdown_request();
1835 replay_shutdown_request();
1836 shutdown_requested = 1;
1837 qemu_notify_event();
1838 }
1839
1840 static void qemu_system_powerdown(void)
1841 {
1842 qapi_event_send_powerdown(&error_abort);
1843 notifier_list_notify(&powerdown_notifiers, NULL);
1844 }
1845
1846 void qemu_system_powerdown_request(void)
1847 {
1848 trace_qemu_system_powerdown_request();
1849 powerdown_requested = 1;
1850 qemu_notify_event();
1851 }
1852
1853 void qemu_register_powerdown_notifier(Notifier *notifier)
1854 {
1855 notifier_list_add(&powerdown_notifiers, notifier);
1856 }
1857
1858 void qemu_system_debug_request(void)
1859 {
1860 debug_requested = 1;
1861 qemu_notify_event();
1862 }
1863
1864 static bool main_loop_should_exit(void)
1865 {
1866 RunState r;
1867 if (qemu_debug_requested()) {
1868 vm_stop(RUN_STATE_DEBUG);
1869 }
1870 if (qemu_suspend_requested()) {
1871 qemu_system_suspend();
1872 }
1873 if (qemu_shutdown_requested()) {
1874 qemu_kill_report();
1875 qapi_event_send_shutdown(&error_abort);
1876 if (no_shutdown) {
1877 vm_stop(RUN_STATE_SHUTDOWN);
1878 } else {
1879 return true;
1880 }
1881 }
1882 if (qemu_reset_requested()) {
1883 pause_all_vcpus();
1884 qemu_system_reset(VMRESET_REPORT);
1885 resume_all_vcpus();
1886 if (!runstate_check(RUN_STATE_RUNNING) &&
1887 !runstate_check(RUN_STATE_INMIGRATE)) {
1888 runstate_set(RUN_STATE_PRELAUNCH);
1889 }
1890 }
1891 if (qemu_wakeup_requested()) {
1892 pause_all_vcpus();
1893 qemu_system_reset(VMRESET_SILENT);
1894 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1895 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1896 resume_all_vcpus();
1897 qapi_event_send_wakeup(&error_abort);
1898 }
1899 if (qemu_powerdown_requested()) {
1900 qemu_system_powerdown();
1901 }
1902 if (qemu_vmstop_requested(&r)) {
1903 vm_stop(r);
1904 }
1905 return false;
1906 }
1907
1908 static void main_loop(void)
1909 {
1910 bool nonblocking;
1911 int last_io = 0;
1912 #ifdef CONFIG_PROFILER
1913 int64_t ti;
1914 #endif
1915 do {
1916 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1917 #ifdef CONFIG_PROFILER
1918 ti = profile_getclock();
1919 #endif
1920 last_io = main_loop_wait(nonblocking);
1921 #ifdef CONFIG_PROFILER
1922 dev_time += profile_getclock() - ti;
1923 #endif
1924 } while (!main_loop_should_exit());
1925 }
1926
1927 static void version(void)
1928 {
1929 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1930 QEMU_COPYRIGHT "\n");
1931 }
1932
1933 static void help(int exitcode)
1934 {
1935 version();
1936 printf("usage: %s [options] [disk_image]\n\n"
1937 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1938 error_get_progname());
1939
1940 #define QEMU_OPTIONS_GENERATE_HELP
1941 #include "qemu-options-wrapper.h"
1942
1943 printf("\nDuring emulation, the following keys are useful:\n"
1944 "ctrl-alt-f toggle full screen\n"
1945 "ctrl-alt-n switch to virtual console 'n'\n"
1946 "ctrl-alt toggle mouse and keyboard grab\n"
1947 "\n"
1948 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1949
1950 exit(exitcode);
1951 }
1952
1953 #define HAS_ARG 0x0001
1954
1955 typedef struct QEMUOption {
1956 const char *name;
1957 int flags;
1958 int index;
1959 uint32_t arch_mask;
1960 } QEMUOption;
1961
1962 static const QEMUOption qemu_options[] = {
1963 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1964 #define QEMU_OPTIONS_GENERATE_OPTIONS
1965 #include "qemu-options-wrapper.h"
1966 { NULL },
1967 };
1968
1969 typedef struct VGAInterfaceInfo {
1970 const char *opt_name; /* option name */
1971 const char *name; /* human-readable name */
1972 /* Class names indicating that support is available.
1973 * If no class is specified, the interface is always available */
1974 const char *class_names[2];
1975 } VGAInterfaceInfo;
1976
1977 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1978 [VGA_NONE] = {
1979 .opt_name = "none",
1980 },
1981 [VGA_STD] = {
1982 .opt_name = "std",
1983 .name = "standard VGA",
1984 .class_names = { "VGA", "isa-vga" },
1985 },
1986 [VGA_CIRRUS] = {
1987 .opt_name = "cirrus",
1988 .name = "Cirrus VGA",
1989 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1990 },
1991 [VGA_VMWARE] = {
1992 .opt_name = "vmware",
1993 .name = "VMWare SVGA",
1994 .class_names = { "vmware-svga" },
1995 },
1996 [VGA_VIRTIO] = {
1997 .opt_name = "virtio",
1998 .name = "Virtio VGA",
1999 .class_names = { "virtio-vga" },
2000 },
2001 [VGA_QXL] = {
2002 .opt_name = "qxl",
2003 .name = "QXL VGA",
2004 .class_names = { "qxl-vga" },
2005 },
2006 [VGA_TCX] = {
2007 .opt_name = "tcx",
2008 .name = "TCX framebuffer",
2009 .class_names = { "SUNW,tcx" },
2010 },
2011 [VGA_CG3] = {
2012 .opt_name = "cg3",
2013 .name = "CG3 framebuffer",
2014 .class_names = { "cgthree" },
2015 },
2016 [VGA_XENFB] = {
2017 .opt_name = "xenfb",
2018 },
2019 };
2020
2021 static bool vga_interface_available(VGAInterfaceType t)
2022 {
2023 VGAInterfaceInfo *ti = &vga_interfaces[t];
2024
2025 assert(t < VGA_TYPE_MAX);
2026 return !ti->class_names[0] ||
2027 object_class_by_name(ti->class_names[0]) ||
2028 object_class_by_name(ti->class_names[1]);
2029 }
2030
2031 static void select_vgahw(const char *p)
2032 {
2033 const char *opts;
2034 int t;
2035
2036 assert(vga_interface_type == VGA_NONE);
2037 for (t = 0; t < VGA_TYPE_MAX; t++) {
2038 VGAInterfaceInfo *ti = &vga_interfaces[t];
2039 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2040 if (!vga_interface_available(t)) {
2041 error_report("%s not available", ti->name);
2042 exit(1);
2043 }
2044 vga_interface_type = t;
2045 break;
2046 }
2047 }
2048 if (t == VGA_TYPE_MAX) {
2049 invalid_vga:
2050 error_report("unknown vga type: %s", p);
2051 exit(1);
2052 }
2053 while (*opts) {
2054 const char *nextopt;
2055
2056 if (strstart(opts, ",retrace=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "dumb", &nextopt))
2059 vga_retrace_method = VGA_RETRACE_DUMB;
2060 else if (strstart(opts, "precise", &nextopt))
2061 vga_retrace_method = VGA_RETRACE_PRECISE;
2062 else goto invalid_vga;
2063 } else goto invalid_vga;
2064 opts = nextopt;
2065 }
2066 }
2067
2068 typedef enum DisplayType {
2069 DT_DEFAULT,
2070 DT_CURSES,
2071 DT_SDL,
2072 DT_COCOA,
2073 DT_GTK,
2074 DT_NONE,
2075 } DisplayType;
2076
2077 static DisplayType select_display(const char *p)
2078 {
2079 const char *opts;
2080 DisplayType display = DT_DEFAULT;
2081
2082 if (strstart(p, "sdl", &opts)) {
2083 #ifdef CONFIG_SDL
2084 display = DT_SDL;
2085 while (*opts) {
2086 const char *nextopt;
2087
2088 if (strstart(opts, ",frame=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 no_frame = 0;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 no_frame = 1;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 alt_grab = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 alt_grab = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2107 opts = nextopt;
2108 if (strstart(opts, "on", &nextopt)) {
2109 ctrl_grab = 1;
2110 } else if (strstart(opts, "off", &nextopt)) {
2111 ctrl_grab = 0;
2112 } else {
2113 goto invalid_sdl_args;
2114 }
2115 } else if (strstart(opts, ",window_close=", &nextopt)) {
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 no_quit = 0;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 no_quit = 1;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else if (strstart(opts, ",gl=", &nextopt)) {
2125 opts = nextopt;
2126 if (strstart(opts, "on", &nextopt)) {
2127 request_opengl = 1;
2128 } else if (strstart(opts, "off", &nextopt)) {
2129 request_opengl = 0;
2130 } else {
2131 goto invalid_sdl_args;
2132 }
2133 } else {
2134 invalid_sdl_args:
2135 error_report("invalid SDL option string");
2136 exit(1);
2137 }
2138 opts = nextopt;
2139 }
2140 #else
2141 error_report("SDL support is disabled");
2142 exit(1);
2143 #endif
2144 } else if (strstart(p, "vnc", &opts)) {
2145 if (*opts == '=') {
2146 vnc_parse(opts + 1, &error_fatal);
2147 } else {
2148 error_report("VNC requires a display argument vnc=<display>");
2149 exit(1);
2150 }
2151 } else if (strstart(p, "curses", &opts)) {
2152 #ifdef CONFIG_CURSES
2153 display = DT_CURSES;
2154 #else
2155 error_report("curses support is disabled");
2156 exit(1);
2157 #endif
2158 } else if (strstart(p, "gtk", &opts)) {
2159 #ifdef CONFIG_GTK
2160 display = DT_GTK;
2161 while (*opts) {
2162 const char *nextopt;
2163
2164 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2165 opts = nextopt;
2166 if (strstart(opts, "on", &nextopt)) {
2167 grab_on_hover = true;
2168 } else if (strstart(opts, "off", &nextopt)) {
2169 grab_on_hover = false;
2170 } else {
2171 goto invalid_gtk_args;
2172 }
2173 } else if (strstart(opts, ",gl=", &nextopt)) {
2174 opts = nextopt;
2175 if (strstart(opts, "on", &nextopt)) {
2176 request_opengl = 1;
2177 } else if (strstart(opts, "off", &nextopt)) {
2178 request_opengl = 0;
2179 } else {
2180 goto invalid_gtk_args;
2181 }
2182 } else {
2183 invalid_gtk_args:
2184 error_report("invalid GTK option string");
2185 exit(1);
2186 }
2187 opts = nextopt;
2188 }
2189 #else
2190 error_report("GTK support is disabled");
2191 exit(1);
2192 #endif
2193 } else if (strstart(p, "none", &opts)) {
2194 display = DT_NONE;
2195 } else {
2196 error_report("unknown display type");
2197 exit(1);
2198 }
2199
2200 return display;
2201 }
2202
2203 static int balloon_parse(const char *arg)
2204 {
2205 QemuOpts *opts;
2206
2207 if (strcmp(arg, "none") == 0) {
2208 return 0;
2209 }
2210
2211 if (!strncmp(arg, "virtio", 6)) {
2212 if (arg[6] == ',') {
2213 /* have params -> parse them */
2214 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2215 false);
2216 if (!opts)
2217 return -1;
2218 } else {
2219 /* create empty opts */
2220 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2221 &error_abort);
2222 }
2223 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2224 return 0;
2225 }
2226
2227 return -1;
2228 }
2229
2230 char *qemu_find_file(int type, const char *name)
2231 {
2232 int i;
2233 const char *subdir;
2234 char *buf;
2235
2236 /* Try the name as a straight path first */
2237 if (access(name, R_OK) == 0) {
2238 trace_load_file(name, name);
2239 return g_strdup(name);
2240 }
2241
2242 switch (type) {
2243 case QEMU_FILE_TYPE_BIOS:
2244 subdir = "";
2245 break;
2246 case QEMU_FILE_TYPE_KEYMAP:
2247 subdir = "keymaps/";
2248 break;
2249 default:
2250 abort();
2251 }
2252
2253 for (i = 0; i < data_dir_idx; i++) {
2254 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2255 if (access(buf, R_OK) == 0) {
2256 trace_load_file(name, buf);
2257 return buf;
2258 }
2259 g_free(buf);
2260 }
2261 return NULL;
2262 }
2263
2264 static inline bool nonempty_str(const char *str)
2265 {
2266 return str && *str;
2267 }
2268
2269 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2270 {
2271 gchar *buf;
2272 size_t size;
2273 const char *name, *file, *str;
2274 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2275
2276 if (fw_cfg == NULL) {
2277 error_report("fw_cfg device not available");
2278 return -1;
2279 }
2280 name = qemu_opt_get(opts, "name");
2281 file = qemu_opt_get(opts, "file");
2282 str = qemu_opt_get(opts, "string");
2283
2284 /* we need name and either a file or the content string */
2285 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2286 error_report("invalid argument(s)");
2287 return -1;
2288 }
2289 if (nonempty_str(file) && nonempty_str(str)) {
2290 error_report("file and string are mutually exclusive");
2291 return -1;
2292 }
2293 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2294 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2295 return -1;
2296 }
2297 if (strncmp(name, "opt/", 4) != 0) {
2298 error_report("warning: externally provided fw_cfg item names "
2299 "should be prefixed with \"opt/\"");
2300 }
2301 if (nonempty_str(str)) {
2302 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2303 buf = g_memdup(str, size);
2304 } else {
2305 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2306 error_report("can't load %s", file);
2307 return -1;
2308 }
2309 }
2310 /* For legacy, keep user files in a specific global order. */
2311 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2312 fw_cfg_add_file(fw_cfg, name, buf, size);
2313 fw_cfg_reset_order_override(fw_cfg);
2314 return 0;
2315 }
2316
2317 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 return qdev_device_help(opts);
2320 }
2321
2322 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2323 {
2324 Error *err = NULL;
2325 DeviceState *dev;
2326
2327 dev = qdev_device_add(opts, &err);
2328 if (!dev) {
2329 error_report_err(err);
2330 return -1;
2331 }
2332 object_unref(OBJECT(dev));
2333 return 0;
2334 }
2335
2336 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 {
2338 Error *local_err = NULL;
2339
2340 qemu_chr_new_from_opts(opts, &local_err);
2341 if (local_err) {
2342 error_report_err(local_err);
2343 return -1;
2344 }
2345 return 0;
2346 }
2347
2348 #ifdef CONFIG_VIRTFS
2349 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 return qemu_fsdev_add(opts);
2352 }
2353 #endif
2354
2355 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2356 {
2357 CharDriverState *chr;
2358 const char *chardev;
2359 const char *mode;
2360 int flags;
2361
2362 mode = qemu_opt_get(opts, "mode");
2363 if (mode == NULL) {
2364 mode = "readline";
2365 }
2366 if (strcmp(mode, "readline") == 0) {
2367 flags = MONITOR_USE_READLINE;
2368 } else if (strcmp(mode, "control") == 0) {
2369 flags = MONITOR_USE_CONTROL;
2370 } else {
2371 error_report("unknown monitor mode \"%s\"", mode);
2372 exit(1);
2373 }
2374
2375 if (qemu_opt_get_bool(opts, "pretty", 0))
2376 flags |= MONITOR_USE_PRETTY;
2377
2378 if (qemu_opt_get_bool(opts, "default", 0)) {
2379 error_report("option 'default' does nothing and is deprecated");
2380 }
2381
2382 chardev = qemu_opt_get(opts, "chardev");
2383 chr = qemu_chr_find(chardev);
2384 if (chr == NULL) {
2385 error_report("chardev \"%s\" not found", chardev);
2386 exit(1);
2387 }
2388
2389 monitor_init(chr, flags);
2390 return 0;
2391 }
2392
2393 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2394 {
2395 static int monitor_device_index = 0;
2396 QemuOpts *opts;
2397 const char *p;
2398 char label[32];
2399
2400 if (strstart(optarg, "chardev:", &p)) {
2401 snprintf(label, sizeof(label), "%s", p);
2402 } else {
2403 snprintf(label, sizeof(label), "compat_monitor%d",
2404 monitor_device_index);
2405 opts = qemu_chr_parse_compat(label, optarg);
2406 if (!opts) {
2407 error_report("parse error: %s", optarg);
2408 exit(1);
2409 }
2410 }
2411
2412 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2413 qemu_opt_set(opts, "mode", mode, &error_abort);
2414 qemu_opt_set(opts, "chardev", label, &error_abort);
2415 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2416 monitor_device_index++;
2417 }
2418
2419 struct device_config {
2420 enum {
2421 DEV_USB, /* -usbdevice */
2422 DEV_BT, /* -bt */
2423 DEV_SERIAL, /* -serial */
2424 DEV_PARALLEL, /* -parallel */
2425 DEV_VIRTCON, /* -virtioconsole */
2426 DEV_DEBUGCON, /* -debugcon */
2427 DEV_GDB, /* -gdb, -s */
2428 DEV_SCLP, /* s390 sclp */
2429 } type;
2430 const char *cmdline;
2431 Location loc;
2432 QTAILQ_ENTRY(device_config) next;
2433 };
2434
2435 static QTAILQ_HEAD(, device_config) device_configs =
2436 QTAILQ_HEAD_INITIALIZER(device_configs);
2437
2438 static void add_device_config(int type, const char *cmdline)
2439 {
2440 struct device_config *conf;
2441
2442 conf = g_malloc0(sizeof(*conf));
2443 conf->type = type;
2444 conf->cmdline = cmdline;
2445 loc_save(&conf->loc);
2446 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2447 }
2448
2449 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2450 {
2451 struct device_config *conf;
2452 int rc;
2453
2454 QTAILQ_FOREACH(conf, &device_configs, next) {
2455 if (conf->type != type)
2456 continue;
2457 loc_push_restore(&conf->loc);
2458 rc = func(conf->cmdline);
2459 loc_pop(&conf->loc);
2460 if (rc) {
2461 return rc;
2462 }
2463 }
2464 return 0;
2465 }
2466
2467 static int serial_parse(const char *devname)
2468 {
2469 static int index = 0;
2470 char label[32];
2471
2472 if (strcmp(devname, "none") == 0)
2473 return 0;
2474 if (index == MAX_SERIAL_PORTS) {
2475 error_report("too many serial ports");
2476 exit(1);
2477 }
2478 snprintf(label, sizeof(label), "serial%d", index);
2479 serial_hds[index] = qemu_chr_new(label, devname);
2480 if (!serial_hds[index]) {
2481 error_report("could not connect serial device"
2482 " to character backend '%s'", devname);
2483 return -1;
2484 }
2485 index++;
2486 return 0;
2487 }
2488
2489 static int parallel_parse(const char *devname)
2490 {
2491 static int index = 0;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 if (index == MAX_PARALLEL_PORTS) {
2497 error_report("too many parallel ports");
2498 exit(1);
2499 }
2500 snprintf(label, sizeof(label), "parallel%d", index);
2501 parallel_hds[index] = qemu_chr_new(label, devname);
2502 if (!parallel_hds[index]) {
2503 error_report("could not connect parallel device"
2504 " to character backend '%s'", devname);
2505 return -1;
2506 }
2507 index++;
2508 return 0;
2509 }
2510
2511 static int virtcon_parse(const char *devname)
2512 {
2513 QemuOptsList *device = qemu_find_opts("device");
2514 static int index = 0;
2515 char label[32];
2516 QemuOpts *bus_opts, *dev_opts;
2517
2518 if (strcmp(devname, "none") == 0)
2519 return 0;
2520 if (index == MAX_VIRTIO_CONSOLES) {
2521 error_report("too many virtio consoles");
2522 exit(1);
2523 }
2524
2525 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2526 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2527
2528 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2529 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2530
2531 snprintf(label, sizeof(label), "virtcon%d", index);
2532 virtcon_hds[index] = qemu_chr_new(label, devname);
2533 if (!virtcon_hds[index]) {
2534 error_report("could not connect virtio console"
2535 " to character backend '%s'", devname);
2536 return -1;
2537 }
2538 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2539
2540 index++;
2541 return 0;
2542 }
2543
2544 static int sclp_parse(const char *devname)
2545 {
2546 QemuOptsList *device = qemu_find_opts("device");
2547 static int index = 0;
2548 char label[32];
2549 QemuOpts *dev_opts;
2550
2551 if (strcmp(devname, "none") == 0) {
2552 return 0;
2553 }
2554 if (index == MAX_SCLP_CONSOLES) {
2555 error_report("too many sclp consoles");
2556 exit(1);
2557 }
2558
2559 assert(arch_type == QEMU_ARCH_S390X);
2560
2561 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2562 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2563
2564 snprintf(label, sizeof(label), "sclpcon%d", index);
2565 sclp_hds[index] = qemu_chr_new(label, devname);
2566 if (!sclp_hds[index]) {
2567 error_report("could not connect sclp console"
2568 " to character backend '%s'", devname);
2569 return -1;
2570 }
2571 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2572
2573 index++;
2574 return 0;
2575 }
2576
2577 static int debugcon_parse(const char *devname)
2578 {
2579 QemuOpts *opts;
2580
2581 if (!qemu_chr_new("debugcon", devname)) {
2582 exit(1);
2583 }
2584 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2585 if (!opts) {
2586 error_report("already have a debugcon device");
2587 exit(1);
2588 }
2589 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2590 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2591 return 0;
2592 }
2593
2594 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2595 {
2596 const MachineClass *mc1 = a, *mc2 = b;
2597 int res;
2598
2599 if (mc1->family == NULL) {
2600 if (mc2->family == NULL) {
2601 /* Compare standalone machine types against each other; they sort
2602 * in increasing order.
2603 */
2604 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2605 object_class_get_name(OBJECT_CLASS(mc2)));
2606 }
2607
2608 /* Standalone machine types sort after families. */
2609 return 1;
2610 }
2611
2612 if (mc2->family == NULL) {
2613 /* Families sort before standalone machine types. */
2614 return -1;
2615 }
2616
2617 /* Families sort between each other alphabetically increasingly. */
2618 res = strcmp(mc1->family, mc2->family);
2619 if (res != 0) {
2620 return res;
2621 }
2622
2623 /* Within the same family, machine types sort in decreasing order. */
2624 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2625 object_class_get_name(OBJECT_CLASS(mc1)));
2626 }
2627
2628 static MachineClass *machine_parse(const char *name)
2629 {
2630 MachineClass *mc = NULL;
2631 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2632
2633 if (name) {
2634 mc = find_machine(name);
2635 }
2636 if (mc) {
2637 g_slist_free(machines);
2638 return mc;
2639 }
2640 if (name && !is_help_option(name)) {
2641 error_report("unsupported machine type");
2642 error_printf("Use -machine help to list supported machines\n");
2643 } else {
2644 printf("Supported machines are:\n");
2645 machines = g_slist_sort(machines, machine_class_cmp);
2646 for (el = machines; el; el = el->next) {
2647 MachineClass *mc = el->data;
2648 if (mc->alias) {
2649 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2650 }
2651 printf("%-20s %s%s\n", mc->name, mc->desc,
2652 mc->is_default ? " (default)" : "");
2653 }
2654 }
2655
2656 g_slist_free(machines);
2657 exit(!name || !is_help_option(name));
2658 }
2659
2660 void qemu_add_exit_notifier(Notifier *notify)
2661 {
2662 notifier_list_add(&exit_notifiers, notify);
2663 }
2664
2665 void qemu_remove_exit_notifier(Notifier *notify)
2666 {
2667 notifier_remove(notify);
2668 }
2669
2670 static void qemu_run_exit_notifiers(void)
2671 {
2672 notifier_list_notify(&exit_notifiers, NULL);
2673 }
2674
2675 static bool machine_init_done;
2676
2677 void qemu_add_machine_init_done_notifier(Notifier *notify)
2678 {
2679 notifier_list_add(&machine_init_done_notifiers, notify);
2680 if (machine_init_done) {
2681 notify->notify(notify, NULL);
2682 }
2683 }
2684
2685 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2686 {
2687 notifier_remove(notify);
2688 }
2689
2690 static void qemu_run_machine_init_done_notifiers(void)
2691 {
2692 notifier_list_notify(&machine_init_done_notifiers, NULL);
2693 machine_init_done = true;
2694 }
2695
2696 static const QEMUOption *lookup_opt(int argc, char **argv,
2697 const char **poptarg, int *poptind)
2698 {
2699 const QEMUOption *popt;
2700 int optind = *poptind;
2701 char *r = argv[optind];
2702 const char *optarg;
2703
2704 loc_set_cmdline(argv, optind, 1);
2705 optind++;
2706 /* Treat --foo the same as -foo. */
2707 if (r[1] == '-')
2708 r++;
2709 popt = qemu_options;
2710 for(;;) {
2711 if (!popt->name) {
2712 error_report("invalid option");
2713 exit(1);
2714 }
2715 if (!strcmp(popt->name, r + 1))
2716 break;
2717 popt++;
2718 }
2719 if (popt->flags & HAS_ARG) {
2720 if (optind >= argc) {
2721 error_report("requires an argument");
2722 exit(1);
2723 }
2724 optarg = argv[optind++];
2725 loc_set_cmdline(argv, optind - 2, 2);
2726 } else {
2727 optarg = NULL;
2728 }
2729
2730 *poptarg = optarg;
2731 *poptind = optind;
2732
2733 return popt;
2734 }
2735
2736 static MachineClass *select_machine(void)
2737 {
2738 MachineClass *machine_class = find_default_machine();
2739 const char *optarg;
2740 QemuOpts *opts;
2741 Location loc;
2742
2743 loc_push_none(&loc);
2744
2745 opts = qemu_get_machine_opts();
2746 qemu_opts_loc_restore(opts);
2747
2748 optarg = qemu_opt_get(opts, "type");
2749 if (optarg) {
2750 machine_class = machine_parse(optarg);
2751 }
2752
2753 if (!machine_class) {
2754 error_report("No machine specified, and there is no default");
2755 error_printf("Use -machine help to list supported machines\n");
2756 exit(1);
2757 }
2758
2759 loc_pop(&loc);
2760 return machine_class;
2761 }
2762
2763 static int machine_set_property(void *opaque,
2764 const char *name, const char *value,
2765 Error **errp)
2766 {
2767 Object *obj = OBJECT(opaque);
2768 Error *local_err = NULL;
2769 char *p, *qom_name;
2770
2771 if (strcmp(name, "type") == 0) {
2772 return 0;
2773 }
2774
2775 qom_name = g_strdup(name);
2776 for (p = qom_name; *p; p++) {
2777 if (*p == '_') {
2778 *p = '-';
2779 }
2780 }
2781
2782 object_property_parse(obj, value, qom_name, &local_err);
2783 g_free(qom_name);
2784
2785 if (local_err) {
2786 error_report_err(local_err);
2787 return -1;
2788 }
2789
2790 return 0;
2791 }
2792
2793
2794 /*
2795 * Initial object creation happens before all other
2796 * QEMU data types are created. The majority of objects
2797 * can be created at this point. The rng-egd object
2798 * cannot be created here, as it depends on the chardev
2799 * already existing.
2800 */
2801 static bool object_create_initial(const char *type)
2802 {
2803 if (g_str_equal(type, "rng-egd")) {
2804 return false;
2805 }
2806
2807 /*
2808 * return false for concrete netfilters since
2809 * they depend on netdevs already existing
2810 */
2811 if (g_str_equal(type, "filter-buffer") ||
2812 g_str_equal(type, "filter-dump") ||
2813 g_str_equal(type, "filter-mirror") ||
2814 g_str_equal(type, "filter-redirector") ||
2815 g_str_equal(type, "colo-compare") ||
2816 g_str_equal(type, "filter-rewriter") ||
2817 g_str_equal(type, "filter-replay")) {
2818 return false;
2819 }
2820
2821 /* Memory allocation by backends needs to be done
2822 * after configure_accelerator() (due to the tcg_enabled()
2823 * checks at memory_region_init_*()).
2824 *
2825 * Also, allocation of large amounts of memory may delay
2826 * chardev initialization for too long, and trigger timeouts
2827 * on software that waits for a monitor socket to be created
2828 * (e.g. libvirt).
2829 */
2830 if (g_str_has_prefix(type, "memory-backend-")) {
2831 return false;
2832 }
2833
2834 return true;
2835 }
2836
2837
2838 /*
2839 * The remainder of object creation happens after the
2840 * creation of chardev, fsdev, net clients and device data types.
2841 */
2842 static bool object_create_delayed(const char *type)
2843 {
2844 return !object_create_initial(type);
2845 }
2846
2847
2848 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2849 MachineClass *mc)
2850 {
2851 uint64_t sz;
2852 const char *mem_str;
2853 const char *maxmem_str, *slots_str;
2854 const ram_addr_t default_ram_size = mc->default_ram_size;
2855 QemuOpts *opts = qemu_find_opts_singleton("memory");
2856 Location loc;
2857
2858 loc_push_none(&loc);
2859 qemu_opts_loc_restore(opts);
2860
2861 sz = 0;
2862 mem_str = qemu_opt_get(opts, "size");
2863 if (mem_str) {
2864 if (!*mem_str) {
2865 error_report("missing 'size' option value");
2866 exit(EXIT_FAILURE);
2867 }
2868
2869 sz = qemu_opt_get_size(opts, "size", ram_size);
2870
2871 /* Fix up legacy suffix-less format */
2872 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2873 uint64_t overflow_check = sz;
2874
2875 sz <<= 20;
2876 if ((sz >> 20) != overflow_check) {
2877 error_report("too large 'size' option value");
2878 exit(EXIT_FAILURE);
2879 }
2880 }
2881 }
2882
2883 /* backward compatibility behaviour for case "-m 0" */
2884 if (sz == 0) {
2885 sz = default_ram_size;
2886 }
2887
2888 sz = QEMU_ALIGN_UP(sz, 8192);
2889 ram_size = sz;
2890 if (ram_size != sz) {
2891 error_report("ram size too large");
2892 exit(EXIT_FAILURE);
2893 }
2894
2895 /* store value for the future use */
2896 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2897 *maxram_size = ram_size;
2898
2899 maxmem_str = qemu_opt_get(opts, "maxmem");
2900 slots_str = qemu_opt_get(opts, "slots");
2901 if (maxmem_str && slots_str) {
2902 uint64_t slots;
2903
2904 sz = qemu_opt_get_size(opts, "maxmem", 0);
2905 slots = qemu_opt_get_number(opts, "slots", 0);
2906 if (sz < ram_size) {
2907 error_report("invalid value of -m option maxmem: "
2908 "maximum memory size (0x%" PRIx64 ") must be at least "
2909 "the initial memory size (0x" RAM_ADDR_FMT ")",
2910 sz, ram_size);
2911 exit(EXIT_FAILURE);
2912 } else if (sz > ram_size) {
2913 if (!slots) {
2914 error_report("invalid value of -m option: maxmem was "
2915 "specified, but no hotplug slots were specified");
2916 exit(EXIT_FAILURE);
2917 }
2918 } else if (slots) {
2919 error_report("invalid value of -m option maxmem: "
2920 "memory slots were specified but maximum memory size "
2921 "(0x%" PRIx64 ") is equal to the initial memory size "
2922 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2923 exit(EXIT_FAILURE);
2924 }
2925
2926 *maxram_size = sz;
2927 *ram_slots = slots;
2928 } else if ((!maxmem_str && slots_str) ||
2929 (maxmem_str && !slots_str)) {
2930 error_report("invalid -m option value: missing "
2931 "'%s' option", slots_str ? "maxmem" : "slots");
2932 exit(EXIT_FAILURE);
2933 }
2934
2935 loc_pop(&loc);
2936 }
2937
2938 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2939 {
2940 GlobalProperty *g;
2941
2942 g = g_malloc0(sizeof(*g));
2943 g->driver = qemu_opt_get(opts, "driver");
2944 g->property = qemu_opt_get(opts, "property");
2945 g->value = qemu_opt_get(opts, "value");
2946 g->user_provided = true;
2947 g->errp = &error_fatal;
2948 qdev_prop_register_global(g);
2949 return 0;
2950 }
2951
2952 int main(int argc, char **argv, char **envp)
2953 {
2954 int i;
2955 int snapshot, linux_boot;
2956 const char *initrd_filename;
2957 const char *kernel_filename, *kernel_cmdline;
2958 const char *boot_order = NULL;
2959 const char *boot_once = NULL;
2960 DisplayState *ds;
2961 int cyls, heads, secs, translation;
2962 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2963 QemuOptsList *olist;
2964 int optind;
2965 const char *optarg;
2966 const char *loadvm = NULL;
2967 MachineClass *machine_class;
2968 const char *cpu_model;
2969 const char *vga_model = NULL;
2970 const char *qtest_chrdev = NULL;
2971 const char *qtest_log = NULL;
2972 const char *pid_file = NULL;
2973 const char *incoming = NULL;
2974 bool defconfig = true;
2975 bool userconfig = true;
2976 bool nographic = false;
2977 DisplayType display_type = DT_DEFAULT;
2978 int display_remote = 0;
2979 const char *log_mask = NULL;
2980 const char *log_file = NULL;
2981 char *trace_file = NULL;
2982 ram_addr_t maxram_size;
2983 uint64_t ram_slots = 0;
2984 FILE *vmstate_dump_file = NULL;
2985 Error *main_loop_err = NULL;
2986 Error *err = NULL;
2987 bool list_data_dirs = false;
2988
2989 module_call_init(MODULE_INIT_TRACE);
2990
2991 qemu_init_cpu_list();
2992 qemu_init_cpu_loop();
2993 qemu_mutex_lock_iothread();
2994
2995 atexit(qemu_run_exit_notifiers);
2996 error_set_progname(argv[0]);
2997 qemu_init_exec_dir(argv[0]);
2998
2999 module_call_init(MODULE_INIT_QOM);
3000 module_call_init(MODULE_INIT_QAPI);
3001
3002 qemu_add_opts(&qemu_drive_opts);
3003 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3004 qemu_add_drive_opts(&qemu_common_drive_opts);
3005 qemu_add_drive_opts(&qemu_drive_opts);
3006 qemu_add_drive_opts(&bdrv_runtime_opts);
3007 qemu_add_opts(&qemu_chardev_opts);
3008 qemu_add_opts(&qemu_device_opts);
3009 qemu_add_opts(&qemu_netdev_opts);
3010 qemu_add_opts(&qemu_net_opts);
3011 qemu_add_opts(&qemu_rtc_opts);
3012 qemu_add_opts(&qemu_global_opts);
3013 qemu_add_opts(&qemu_mon_opts);
3014 qemu_add_opts(&qemu_trace_opts);
3015 qemu_add_opts(&qemu_option_rom_opts);
3016 qemu_add_opts(&qemu_machine_opts);
3017 qemu_add_opts(&qemu_mem_opts);
3018 qemu_add_opts(&qemu_smp_opts);
3019 qemu_add_opts(&qemu_boot_opts);
3020 qemu_add_opts(&qemu_sandbox_opts);
3021 qemu_add_opts(&qemu_add_fd_opts);
3022 qemu_add_opts(&qemu_object_opts);
3023 qemu_add_opts(&qemu_tpmdev_opts);
3024 qemu_add_opts(&qemu_realtime_opts);
3025 qemu_add_opts(&qemu_msg_opts);
3026 qemu_add_opts(&qemu_name_opts);
3027 qemu_add_opts(&qemu_numa_opts);
3028 qemu_add_opts(&qemu_icount_opts);
3029 qemu_add_opts(&qemu_semihosting_config_opts);
3030 qemu_add_opts(&qemu_fw_cfg_opts);
3031 #ifdef CONFIG_LIBISCSI
3032 qemu_add_opts(&qemu_iscsi_opts);
3033 #endif
3034 module_call_init(MODULE_INIT_OPTS);
3035
3036 runstate_init();
3037
3038 if (qcrypto_init(&err) < 0) {
3039 error_reportf_err(err, "cannot initialize crypto: ");
3040 exit(1);
3041 }
3042 rtc_clock = QEMU_CLOCK_HOST;
3043
3044 QLIST_INIT (&vm_change_state_head);
3045 os_setup_early_signal_handling();
3046
3047 cpu_model = NULL;
3048 snapshot = 0;
3049 cyls = heads = secs = 0;
3050 translation = BIOS_ATA_TRANSLATION_AUTO;
3051
3052 nb_nics = 0;
3053
3054 bdrv_init_with_whitelist();
3055
3056 autostart = 1;
3057
3058 /* first pass of option parsing */
3059 optind = 1;
3060 while (optind < argc) {
3061 if (argv[optind][0] != '-') {
3062 /* disk image */
3063 optind++;
3064 } else {
3065 const QEMUOption *popt;
3066
3067 popt = lookup_opt(argc, argv, &optarg, &optind);
3068 switch (popt->index) {
3069 case QEMU_OPTION_nodefconfig:
3070 defconfig = false;
3071 break;
3072 case QEMU_OPTION_nouserconfig:
3073 userconfig = false;
3074 break;
3075 }
3076 }
3077 }
3078
3079 if (defconfig) {
3080 int ret;
3081 ret = qemu_read_default_config_files(userconfig);
3082 if (ret < 0) {
3083 exit(1);
3084 }
3085 }
3086
3087 /* second pass of option parsing */
3088 optind = 1;
3089 for(;;) {
3090 if (optind >= argc)
3091 break;
3092 if (argv[optind][0] != '-') {
3093 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3094 } else {
3095 const QEMUOption *popt;
3096
3097 popt = lookup_opt(argc, argv, &optarg, &optind);
3098 if (!(popt->arch_mask & arch_type)) {
3099 error_report("Option not supported for this target");
3100 exit(1);
3101 }
3102 switch(popt->index) {
3103 case QEMU_OPTION_no_kvm_irqchip: {
3104 olist = qemu_find_opts("machine");
3105 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3106 break;
3107 }
3108 case QEMU_OPTION_cpu:
3109 /* hw initialization will check this */
3110 cpu_model = optarg;
3111 break;
3112 case QEMU_OPTION_hda:
3113 {
3114 char buf[256];
3115 if (cyls == 0)
3116 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3117 else
3118 snprintf(buf, sizeof(buf),
3119 "%s,cyls=%d,heads=%d,secs=%d%s",
3120 HD_OPTS , cyls, heads, secs,
3121 translation == BIOS_ATA_TRANSLATION_LBA ?
3122 ",trans=lba" :
3123 translation == BIOS_ATA_TRANSLATION_NONE ?
3124 ",trans=none" : "");
3125 drive_add(IF_DEFAULT, 0, optarg, buf);
3126 break;
3127 }
3128 case QEMU_OPTION_hdb:
3129 case QEMU_OPTION_hdc:
3130 case QEMU_OPTION_hdd:
3131 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3132 HD_OPTS);
3133 break;
3134 case QEMU_OPTION_drive:
3135 if (drive_def(optarg) == NULL) {
3136 exit(1);
3137 }
3138 break;
3139 case QEMU_OPTION_set:
3140 if (qemu_set_option(optarg) != 0)
3141 exit(1);
3142 break;
3143 case QEMU_OPTION_global:
3144 if (qemu_global_option(optarg) != 0)
3145 exit(1);
3146 break;
3147 case QEMU_OPTION_mtdblock:
3148 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3149 break;
3150 case QEMU_OPTION_sd:
3151 drive_add(IF_SD, -1, optarg, SD_OPTS);
3152 break;
3153 case QEMU_OPTION_pflash:
3154 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3155 break;
3156 case QEMU_OPTION_snapshot:
3157 snapshot = 1;
3158 break;
3159 case QEMU_OPTION_hdachs:
3160 {
3161 const char *p;
3162 p = optarg;
3163 cyls = strtol(p, (char **)&p, 0);
3164 if (cyls < 1 || cyls > 16383)
3165 goto chs_fail;
3166 if (*p != ',')
3167 goto chs_fail;
3168 p++;
3169 heads = strtol(p, (char **)&p, 0);
3170 if (heads < 1 || heads > 16)
3171 goto chs_fail;
3172 if (*p != ',')
3173 goto chs_fail;
3174 p++;
3175 secs = strtol(p, (char **)&p, 0);
3176 if (secs < 1 || secs > 63)
3177 goto chs_fail;
3178 if (*p == ',') {
3179 p++;
3180 if (!strcmp(p, "large")) {
3181 translation = BIOS_ATA_TRANSLATION_LARGE;
3182 } else if (!strcmp(p, "rechs")) {
3183 translation = BIOS_ATA_TRANSLATION_RECHS;
3184 } else if (!strcmp(p, "none")) {
3185 translation = BIOS_ATA_TRANSLATION_NONE;
3186 } else if (!strcmp(p, "lba")) {
3187 translation = BIOS_ATA_TRANSLATION_LBA;
3188 } else if (!strcmp(p, "auto")) {
3189 translation = BIOS_ATA_TRANSLATION_AUTO;
3190 } else {
3191 goto chs_fail;
3192 }
3193 } else if (*p != '\0') {
3194 chs_fail:
3195 error_report("invalid physical CHS format");
3196 exit(1);
3197 }
3198 if (hda_opts != NULL) {
3199 qemu_opt_set_number(hda_opts, "cyls", cyls,
3200 &error_abort);
3201 qemu_opt_set_number(hda_opts, "heads", heads,
3202 &error_abort);
3203 qemu_opt_set_number(hda_opts, "secs", secs,
3204 &error_abort);
3205 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3206 qemu_opt_set(hda_opts, "trans", "large",
3207 &error_abort);
3208 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3209 qemu_opt_set(hda_opts, "trans", "rechs",
3210 &error_abort);
3211 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3212 qemu_opt_set(hda_opts, "trans", "lba",
3213 &error_abort);
3214 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3215 qemu_opt_set(hda_opts, "trans", "none",
3216 &error_abort);
3217 }
3218 }
3219 }
3220 break;
3221 case QEMU_OPTION_numa:
3222 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3223 optarg, true);
3224 if (!opts) {
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_display:
3229 display_type = select_display(optarg);
3230 break;
3231 case QEMU_OPTION_nographic:
3232 olist = qemu_find_opts("machine");
3233 qemu_opts_parse_noisily(olist, "graphics=off", false);
3234 nographic = true;
3235 display_type = DT_NONE;
3236 break;
3237 case QEMU_OPTION_curses:
3238 #ifdef CONFIG_CURSES
3239 display_type = DT_CURSES;
3240 #else
3241 error_report("curses support is disabled");
3242 exit(1);
3243 #endif
3244 break;
3245 case QEMU_OPTION_portrait:
3246 graphic_rotate = 90;
3247 break;
3248 case QEMU_OPTION_rotate:
3249 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3250 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3251 graphic_rotate != 180 && graphic_rotate != 270) {
3252 error_report("only 90, 180, 270 deg rotation is available");
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_kernel:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3258 &error_abort);
3259 break;
3260 case QEMU_OPTION_initrd:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3262 &error_abort);
3263 break;
3264 case QEMU_OPTION_append:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3266 &error_abort);
3267 break;
3268 case QEMU_OPTION_dtb:
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3270 &error_abort);
3271 break;
3272 case QEMU_OPTION_cdrom:
3273 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3274 break;
3275 case QEMU_OPTION_boot:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3277 optarg, true);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_fda:
3283 case QEMU_OPTION_fdb:
3284 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3285 optarg, FD_OPTS);
3286 break;
3287 case QEMU_OPTION_no_fd_bootchk:
3288 fd_bootchk = 0;
3289 break;
3290 case QEMU_OPTION_netdev:
3291 default_net = 0;
3292 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3293 exit(1);
3294 }
3295 break;
3296 case QEMU_OPTION_net:
3297 default_net = 0;
3298 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3299 exit(1);
3300 }
3301 break;
3302 #ifdef CONFIG_LIBISCSI
3303 case QEMU_OPTION_iscsi:
3304 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3305 optarg, false);
3306 if (!opts) {
3307 exit(1);
3308 }
3309 break;
3310 #endif
3311 #ifdef CONFIG_SLIRP
3312 case QEMU_OPTION_tftp:
3313 error_report("The -tftp option is deprecated. "
3314 "Please use '-netdev user,tftp=...' instead.");
3315 legacy_tftp_prefix = optarg;
3316 break;
3317 case QEMU_OPTION_bootp:
3318 error_report("The -bootp option is deprecated. "
3319 "Please use '-netdev user,bootfile=...' instead.");
3320 legacy_bootp_filename = optarg;
3321 break;
3322 case QEMU_OPTION_redir:
3323 error_report("The -redir option is deprecated. "
3324 "Please use '-netdev user,hostfwd=...' instead.");
3325 if (net_slirp_redir(optarg) < 0)
3326 exit(1);
3327 break;
3328 #endif
3329 case QEMU_OPTION_bt:
3330 add_device_config(DEV_BT, optarg);
3331 break;
3332 case QEMU_OPTION_audio_help:
3333 AUD_help ();
3334 exit (0);
3335 break;
3336 case QEMU_OPTION_soundhw:
3337 select_soundhw (optarg);
3338 break;
3339 case QEMU_OPTION_h:
3340 help(0);
3341 break;
3342 case QEMU_OPTION_version:
3343 version();
3344 exit(0);
3345 break;
3346 case QEMU_OPTION_m:
3347 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3348 optarg, true);
3349 if (!opts) {
3350 exit(EXIT_FAILURE);
3351 }
3352 break;
3353 #ifdef CONFIG_TPM
3354 case QEMU_OPTION_tpmdev:
3355 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3356 exit(1);
3357 }
3358 break;
3359 #endif
3360 case QEMU_OPTION_mempath:
3361 mem_path = optarg;
3362 break;
3363 case QEMU_OPTION_mem_prealloc:
3364 mem_prealloc = 1;
3365 break;
3366 case QEMU_OPTION_d:
3367 log_mask = optarg;
3368 break;
3369 case QEMU_OPTION_D:
3370 log_file = optarg;
3371 break;
3372 case QEMU_OPTION_DFILTER:
3373 qemu_set_dfilter_ranges(optarg, &error_fatal);
3374 break;
3375 case QEMU_OPTION_s:
3376 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3377 break;
3378 case QEMU_OPTION_gdb:
3379 add_device_config(DEV_GDB, optarg);
3380 break;
3381 case QEMU_OPTION_L:
3382 if (is_help_option(optarg)) {
3383 list_data_dirs = true;
3384 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3385 data_dir[data_dir_idx++] = optarg;
3386 }
3387 break;
3388 case QEMU_OPTION_bios:
3389 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3390 &error_abort);
3391 break;
3392 case QEMU_OPTION_singlestep:
3393 singlestep = 1;
3394 break;
3395 case QEMU_OPTION_S:
3396 autostart = 0;
3397 break;
3398 case QEMU_OPTION_k:
3399 keyboard_layout = optarg;
3400 break;
3401 case QEMU_OPTION_localtime:
3402 rtc_utc = 0;
3403 break;
3404 case QEMU_OPTION_vga:
3405 vga_model = optarg;
3406 default_vga = 0;
3407 break;
3408 case QEMU_OPTION_g:
3409 {
3410 const char *p;
3411 int w, h, depth;
3412 p = optarg;
3413 w = strtol(p, (char **)&p, 10);
3414 if (w <= 0) {
3415 graphic_error:
3416 error_report("invalid resolution or depth");
3417 exit(1);
3418 }
3419 if (*p != 'x')
3420 goto graphic_error;
3421 p++;
3422 h = strtol(p, (char **)&p, 10);
3423 if (h <= 0)
3424 goto graphic_error;
3425 if (*p == 'x') {
3426 p++;
3427 depth = strtol(p, (char **)&p, 10);
3428 if (depth != 8 && depth != 15 && depth != 16 &&
3429 depth != 24 && depth != 32)
3430 goto graphic_error;
3431 } else if (*p == '\0') {
3432 depth = graphic_depth;
3433 } else {
3434 goto graphic_error;
3435 }
3436
3437 graphic_width = w;
3438 graphic_height = h;
3439 graphic_depth = depth;
3440 }
3441 break;
3442 case QEMU_OPTION_echr:
3443 {
3444 char *r;
3445 term_escape_char = strtol(optarg, &r, 0);
3446 if (r == optarg)
3447 printf("Bad argument to echr\n");
3448 break;
3449 }
3450 case QEMU_OPTION_monitor:
3451 default_monitor = 0;
3452 if (strncmp(optarg, "none", 4)) {
3453 monitor_parse(optarg, "readline", false);
3454 }
3455 break;
3456 case QEMU_OPTION_qmp:
3457 monitor_parse(optarg, "control", false);
3458 default_monitor = 0;
3459 break;
3460 case QEMU_OPTION_qmp_pretty:
3461 monitor_parse(optarg, "control", true);
3462 default_monitor = 0;
3463 break;
3464 case QEMU_OPTION_mon:
3465 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3466 true);
3467 if (!opts) {
3468 exit(1);
3469 }
3470 default_monitor = 0;
3471 break;
3472 case QEMU_OPTION_chardev:
3473 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3474 optarg, true);
3475 if (!opts) {
3476 exit(1);
3477 }
3478 break;
3479 case QEMU_OPTION_fsdev:
3480 olist = qemu_find_opts("fsdev");
3481 if (!olist) {
3482 error_report("fsdev support is disabled");
3483 exit(1);
3484 }
3485 opts = qemu_opts_parse_noisily(olist, optarg, true);
3486 if (!opts) {
3487 exit(1);
3488 }
3489 break;
3490 case QEMU_OPTION_virtfs: {
3491 QemuOpts *fsdev;
3492 QemuOpts *device;
3493 const char *writeout, *sock_fd, *socket;
3494
3495 olist = qemu_find_opts("virtfs");
3496 if (!olist) {
3497 error_report("virtfs support is disabled");
3498 exit(1);
3499 }
3500 opts = qemu_opts_parse_noisily(olist, optarg, true);
3501 if (!opts) {
3502 exit(1);
3503 }
3504
3505 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3506 qemu_opt_get(opts, "mount_tag") == NULL) {
3507 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3508 exit(1);
3509 }
3510 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3511 qemu_opt_get(opts, "mount_tag"),
3512 1, NULL);
3513 if (!fsdev) {
3514 error_report("duplicate fsdev id: %s",
3515 qemu_opt_get(opts, "mount_tag"));
3516 exit(1);
3517 }
3518
3519 writeout = qemu_opt_get(opts, "writeout");
3520 if (writeout) {
3521 #ifdef CONFIG_SYNC_FILE_RANGE
3522 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3523 #else
3524 error_report("writeout=immediate not supported "
3525 "on this platform");
3526 exit(1);
3527 #endif
3528 }
3529 qemu_opt_set(fsdev, "fsdriver",
3530 qemu_opt_get(opts, "fsdriver"), &error_abort);
3531 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3532 &error_abort);
3533 qemu_opt_set(fsdev, "security_model",
3534 qemu_opt_get(opts, "security_model"),
3535 &error_abort);
3536 socket = qemu_opt_get(opts, "socket");
3537 if (socket) {
3538 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3539 }
3540 sock_fd = qemu_opt_get(opts, "sock_fd");
3541 if (sock_fd) {
3542 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3543 }
3544
3545 qemu_opt_set_bool(fsdev, "readonly",
3546 qemu_opt_get_bool(opts, "readonly", 0),
3547 &error_abort);
3548 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3549 &error_abort);
3550 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3551 qemu_opt_set(device, "fsdev",
3552 qemu_opt_get(opts, "mount_tag"), &error_abort);
3553 qemu_opt_set(device, "mount_tag",
3554 qemu_opt_get(opts, "mount_tag"), &error_abort);
3555 break;
3556 }
3557 case QEMU_OPTION_virtfs_synth: {
3558 QemuOpts *fsdev;
3559 QemuOpts *device;
3560
3561 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3562 1, NULL);
3563 if (!fsdev) {
3564 error_report("duplicate option: %s", "virtfs_synth");
3565 exit(1);
3566 }
3567 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3568
3569 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3570 &error_abort);
3571 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3572 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3573 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3574 break;
3575 }
3576 case QEMU_OPTION_serial:
3577 add_device_config(DEV_SERIAL, optarg);
3578 default_serial = 0;
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3581 }
3582 break;
3583 case QEMU_OPTION_watchdog:
3584 if (watchdog) {
3585 error_report("only one watchdog option may be given");
3586 return 1;
3587 }
3588 watchdog = optarg;
3589 break;
3590 case QEMU_OPTION_watchdog_action:
3591 if (select_watchdog_action(optarg) == -1) {
3592 error_report("unknown -watchdog-action parameter");
3593 exit(1);
3594 }
3595 break;
3596 case QEMU_OPTION_virtiocon:
3597 add_device_config(DEV_VIRTCON, optarg);
3598 default_virtcon = 0;
3599 if (strncmp(optarg, "mon:", 4) == 0) {
3600 default_monitor = 0;
3601 }
3602 break;
3603 case QEMU_OPTION_parallel:
3604 add_device_config(DEV_PARALLEL, optarg);
3605 default_parallel = 0;
3606 if (strncmp(optarg, "mon:", 4) == 0) {
3607 default_monitor = 0;
3608 }
3609 break;
3610 case QEMU_OPTION_debugcon:
3611 add_device_config(DEV_DEBUGCON, optarg);
3612 break;
3613 case QEMU_OPTION_loadvm:
3614 loadvm = optarg;
3615 break;
3616 case QEMU_OPTION_full_screen:
3617 full_screen = 1;
3618 break;
3619 case QEMU_OPTION_no_frame:
3620 no_frame = 1;
3621 break;
3622 case QEMU_OPTION_alt_grab:
3623 alt_grab = 1;
3624 break;
3625 case QEMU_OPTION_ctrl_grab:
3626 ctrl_grab = 1;
3627 break;
3628 case QEMU_OPTION_no_quit:
3629 no_quit = 1;
3630 break;
3631 case QEMU_OPTION_sdl:
3632 #ifdef CONFIG_SDL
3633 display_type = DT_SDL;
3634 break;
3635 #else
3636 error_report("SDL support is disabled");
3637 exit(1);
3638 #endif
3639 case QEMU_OPTION_pidfile:
3640 pid_file = optarg;
3641 break;
3642 case QEMU_OPTION_win2k_hack:
3643 win2k_install_hack = 1;
3644 break;
3645 case QEMU_OPTION_rtc_td_hack: {
3646 static GlobalProperty slew_lost_ticks = {
3647 .driver = "mc146818rtc",
3648 .property = "lost_tick_policy",
3649 .value = "slew",
3650 };
3651
3652 qdev_prop_register_global(&slew_lost_ticks);
3653 break;
3654 }
3655 case QEMU_OPTION_acpitable:
3656 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3657 optarg, true);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 acpi_table_add(opts, &error_fatal);
3662 break;
3663 case QEMU_OPTION_smbios:
3664 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3665 optarg, false);
3666 if (!opts) {
3667 exit(1);
3668 }
3669 smbios_entry_add(opts, &error_fatal);
3670 break;
3671 case QEMU_OPTION_fwcfg:
3672 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3673 optarg, true);
3674 if (opts == NULL) {
3675 exit(1);
3676 }
3677 break;
3678 case QEMU_OPTION_enable_kvm:
3679 olist = qemu_find_opts("machine");
3680 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3681 break;
3682 case QEMU_OPTION_M:
3683 case QEMU_OPTION_machine:
3684 olist = qemu_find_opts("machine");
3685 opts = qemu_opts_parse_noisily(olist, optarg, true);
3686 if (!opts) {
3687 exit(1);
3688 }
3689 break;
3690 case QEMU_OPTION_no_kvm:
3691 olist = qemu_find_opts("machine");
3692 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3693 break;
3694 case QEMU_OPTION_no_kvm_pit: {
3695 error_report("warning: ignoring deprecated option");
3696 break;
3697 }
3698 case QEMU_OPTION_no_kvm_pit_reinjection: {
3699 static GlobalProperty kvm_pit_lost_tick_policy = {
3700 .driver = "kvm-pit",
3701 .property = "lost_tick_policy",
3702 .value = "discard",
3703 };
3704
3705 error_report("warning: deprecated, replaced by "
3706 "-global kvm-pit.lost_tick_policy=discard");
3707 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3708 break;
3709 }
3710 case QEMU_OPTION_usb:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "usb=on", false);
3713 break;
3714 case QEMU_OPTION_usbdevice:
3715 olist = qemu_find_opts("machine");
3716 qemu_opts_parse_noisily(olist, "usb=on", false);
3717 add_device_config(DEV_USB, optarg);
3718 break;
3719 case QEMU_OPTION_device:
3720 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3721 optarg, true)) {
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_smp:
3726 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3727 optarg, true)) {
3728 exit(1);
3729 }
3730 break;
3731 case QEMU_OPTION_vnc:
3732 vnc_parse(optarg, &error_fatal);
3733 break;
3734 case QEMU_OPTION_no_acpi:
3735 acpi_enabled = 0;
3736 break;
3737 case QEMU_OPTION_no_hpet:
3738 no_hpet = 1;
3739 break;
3740 case QEMU_OPTION_balloon:
3741 if (balloon_parse(optarg) < 0) {
3742 error_report("unknown -balloon argument %s", optarg);
3743 exit(1);
3744 }
3745 break;
3746 case QEMU_OPTION_no_reboot:
3747 no_reboot = 1;
3748 break;
3749 case QEMU_OPTION_no_shutdown:
3750 no_shutdown = 1;
3751 break;
3752 case QEMU_OPTION_show_cursor:
3753 cursor_hide = 0;
3754 break;
3755 case QEMU_OPTION_uuid:
3756 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3757 error_report("failed to parse UUID string: wrong format");
3758 exit(1);
3759 }
3760 qemu_uuid_set = true;
3761 break;
3762 case QEMU_OPTION_option_rom:
3763 if (nb_option_roms >= MAX_OPTION_ROMS) {
3764 error_report("too many option ROMs");
3765 exit(1);
3766 }
3767 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3768 optarg, true);
3769 if (!opts) {
3770 exit(1);
3771 }
3772 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3773 option_rom[nb_option_roms].bootindex =
3774 qemu_opt_get_number(opts, "bootindex", -1);
3775 if (!option_rom[nb_option_roms].name) {
3776 error_report("Option ROM file is not specified");
3777 exit(1);
3778 }
3779 nb_option_roms++;
3780 break;
3781 case QEMU_OPTION_semihosting:
3782 semihosting.enabled = true;
3783 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3784 break;
3785 case QEMU_OPTION_semihosting_config:
3786 semihosting.enabled = true;
3787 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3788 optarg, false);
3789 if (opts != NULL) {
3790 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3791 true);
3792 const char *target = qemu_opt_get(opts, "target");
3793 if (target != NULL) {
3794 if (strcmp("native", target) == 0) {
3795 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3796 } else if (strcmp("gdb", target) == 0) {
3797 semihosting.target = SEMIHOSTING_TARGET_GDB;
3798 } else if (strcmp("auto", target) == 0) {
3799 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3800 } else {
3801 error_report("unsupported semihosting-config %s",
3802 optarg);
3803 exit(1);
3804 }
3805 } else {
3806 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3807 }
3808 /* Set semihosting argument count and vector */
3809 qemu_opt_foreach(opts, add_semihosting_arg,
3810 &semihosting, NULL);
3811 } else {
3812 error_report("unsupported semihosting-config %s", optarg);
3813 exit(1);
3814 }
3815 break;
3816 case QEMU_OPTION_tdf:
3817 error_report("warning: ignoring deprecated option");
3818 break;
3819 case QEMU_OPTION_name:
3820 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3821 optarg, true);
3822 if (!opts) {
3823 exit(1);
3824 }
3825 break;
3826 case QEMU_OPTION_prom_env:
3827 if (nb_prom_envs >= MAX_PROM_ENVS) {
3828 error_report("too many prom variables");
3829 exit(1);
3830 }
3831 prom_envs[nb_prom_envs] = optarg;
3832 nb_prom_envs++;
3833 break;
3834 case QEMU_OPTION_old_param:
3835 old_param = 1;
3836 break;
3837 case QEMU_OPTION_clock:
3838 /* Clock options no longer exist. Keep this option for
3839 * backward compatibility.
3840 */
3841 break;
3842 case QEMU_OPTION_startdate:
3843 configure_rtc_date_offset(optarg, 1);
3844 break;
3845 case QEMU_OPTION_rtc:
3846 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3847 false);
3848 if (!opts) {
3849 exit(1);
3850 }
3851 configure_rtc(opts);
3852 break;
3853 case QEMU_OPTION_tb_size:
3854 tcg_tb_size = strtol(optarg, NULL, 0);
3855 if (tcg_tb_size < 0) {
3856 tcg_tb_size = 0;
3857 }
3858 break;
3859 case QEMU_OPTION_icount:
3860 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3861 optarg, true);
3862 if (!icount_opts) {
3863 exit(1);
3864 }
3865 break;
3866 case QEMU_OPTION_incoming:
3867 if (!incoming) {
3868 runstate_set(RUN_STATE_INMIGRATE);
3869 }
3870 incoming = optarg;
3871 break;
3872 case QEMU_OPTION_nodefaults:
3873 has_defaults = 0;
3874 break;
3875 case QEMU_OPTION_xen_domid:
3876 if (!(xen_available())) {
3877 error_report("Option not supported for this target");
3878 exit(1);
3879 }
3880 xen_domid = atoi(optarg);
3881 break;
3882 case QEMU_OPTION_xen_create:
3883 if (!(xen_available())) {
3884 error_report("Option not supported for this target");
3885 exit(1);
3886 }
3887 xen_mode = XEN_CREATE;
3888 break;
3889 case QEMU_OPTION_xen_attach:
3890 if (!(xen_available())) {
3891 error_report("Option not supported for this target");
3892 exit(1);
3893 }
3894 xen_mode = XEN_ATTACH;
3895 break;
3896 case QEMU_OPTION_trace:
3897 g_free(trace_file);
3898 trace_file = trace_opt_parse(optarg);
3899 break;
3900 case QEMU_OPTION_readconfig:
3901 {
3902 int ret = qemu_read_config_file(optarg);
3903 if (ret < 0) {
3904 error_report("read config %s: %s", optarg,
3905 strerror(-ret));
3906 exit(1);
3907 }
3908 break;
3909 }
3910 case QEMU_OPTION_spice:
3911 olist = qemu_find_opts("spice");
3912 if (!olist) {
3913 error_report("spice support is disabled");
3914 exit(1);
3915 }
3916 opts = qemu_opts_parse_noisily(olist, optarg, false);
3917 if (!opts) {
3918 exit(1);
3919 }
3920 display_remote++;
3921 break;
3922 case QEMU_OPTION_writeconfig:
3923 {
3924 FILE *fp;
3925 if (strcmp(optarg, "-") == 0) {
3926 fp = stdout;
3927 } else {
3928 fp = fopen(optarg, "w");
3929 if (fp == NULL) {
3930 error_report("open %s: %s", optarg,
3931 strerror(errno));
3932 exit(1);
3933 }
3934 }
3935 qemu_config_write(fp);
3936 if (fp != stdout) {
3937 fclose(fp);
3938 }
3939 break;
3940 }
3941 case QEMU_OPTION_qtest:
3942 qtest_chrdev = optarg;
3943 break;
3944 case QEMU_OPTION_qtest_log:
3945 qtest_log = optarg;
3946 break;
3947 case QEMU_OPTION_sandbox:
3948 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3949 optarg, true);
3950 if (!opts) {
3951 exit(1);
3952 }
3953 break;
3954 case QEMU_OPTION_add_fd:
3955 #ifndef _WIN32
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3957 optarg, false);
3958 if (!opts) {
3959 exit(1);
3960 }
3961 #else
3962 error_report("File descriptor passing is disabled on this "
3963 "platform");
3964 exit(1);
3965 #endif
3966 break;
3967 case QEMU_OPTION_object:
3968 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3969 optarg, true);
3970 if (!opts) {
3971 exit(1);
3972 }
3973 break;
3974 case QEMU_OPTION_realtime:
3975 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3976 optarg, false);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3981 break;
3982 case QEMU_OPTION_msg:
3983 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3984 false);
3985 if (!opts) {
3986 exit(1);
3987 }
3988 configure_msg(opts);
3989 break;
3990 case QEMU_OPTION_dump_vmstate:
3991 if (vmstate_dump_file) {
3992 error_report("only one '-dump-vmstate' "
3993 "option may be given");
3994 exit(1);
3995 }
3996 vmstate_dump_file = fopen(optarg, "w");
3997 if (vmstate_dump_file == NULL) {
3998 error_report("open %s: %s", optarg, strerror(errno));
3999 exit(1);
4000 }
4001 break;
4002 default:
4003 os_parse_cmd_args(popt->index, optarg);
4004 }
4005 }
4006 }
4007 /*
4008 * Clear error location left behind by the loop.
4009 * Best done right after the loop. Do not insert code here!
4010 */
4011 loc_set_none();
4012
4013 replay_configure(icount_opts);
4014
4015 machine_class = select_machine();
4016
4017 set_memory_options(&ram_slots, &maxram_size, machine_class);
4018
4019 os_daemonize();
4020
4021 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4022 error_report("could not acquire pid file: %s", strerror(errno));
4023 exit(1);
4024 }
4025
4026 if (qemu_init_main_loop(&main_loop_err)) {
4027 error_report_err(main_loop_err);
4028 exit(1);
4029 }
4030
4031 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4032 parse_sandbox, NULL, NULL)) {
4033 exit(1);
4034 }
4035
4036 if (qemu_opts_foreach(qemu_find_opts("name"),
4037 parse_name, NULL, NULL)) {
4038 exit(1);
4039 }
4040
4041 #ifndef _WIN32
4042 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4043 parse_add_fd, NULL, NULL)) {
4044 exit(1);
4045 }
4046
4047 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4048 cleanup_add_fd, NULL, NULL)) {
4049 exit(1);
4050 }
4051 #endif
4052
4053 current_machine = MACHINE(object_new(object_class_get_name(
4054 OBJECT_CLASS(machine_class))));
4055 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4056 exit(0);
4057 }
4058 object_property_add_child(object_get_root(), "machine",
4059 OBJECT(current_machine), &error_abort);
4060
4061 if (machine_class->minimum_page_bits) {
4062 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4063 /* This would be a board error: specifying a minimum smaller than
4064 * a target's compile-time fixed setting.
4065 */
4066 g_assert_not_reached();
4067 }
4068 }
4069
4070 cpu_exec_init_all();
4071
4072 if (machine_class->hw_version) {
4073 qemu_set_hw_version(machine_class->hw_version);
4074 }
4075
4076 if (cpu_model && is_help_option(cpu_model)) {
4077 list_cpus(stdout, &fprintf, cpu_model);
4078 exit(0);
4079 }
4080
4081 if (!trace_init_backends()) {
4082 exit(1);
4083 }
4084 trace_init_file(trace_file);
4085
4086 /* Open the logfile at this point and set the log mask if necessary.
4087 */
4088 if (log_file) {
4089 qemu_set_log_filename(log_file, &error_fatal);
4090 }
4091
4092 if (log_mask) {
4093 int mask;
4094 mask = qemu_str_to_log_mask(log_mask);
4095 if (!mask) {
4096 qemu_print_log_usage(stdout);
4097 exit(1);
4098 }
4099 qemu_set_log(mask);
4100 } else {
4101 qemu_set_log(0);
4102 }
4103
4104 /* If no data_dir is specified then try to find it relative to the
4105 executable path. */
4106 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4107 data_dir[data_dir_idx] = os_find_datadir();
4108 if (data_dir[data_dir_idx] != NULL) {
4109 data_dir_idx++;
4110 }
4111 }
4112 /* If all else fails use the install path specified when building. */
4113 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4114 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4115 }
4116
4117 /* -L help lists the data directories and exits. */
4118 if (list_data_dirs) {
4119 for (i = 0; i < data_dir_idx; i++) {
4120 printf("%s\n", data_dir[i]);
4121 }
4122 exit(0);
4123 }
4124
4125 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4126
4127 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4128 if (max_cpus > machine_class->max_cpus) {
4129 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4130 "supported by machine '%s' (%d)", max_cpus,
4131 machine_class->name, machine_class->max_cpus);
4132 exit(1);
4133 }
4134
4135 /*
4136 * Get the default machine options from the machine if it is not already
4137 * specified either by the configuration file or by the command line.
4138 */
4139 if (machine_class->default_machine_opts) {
4140 qemu_opts_set_defaults(qemu_find_opts("machine"),
4141 machine_class->default_machine_opts, 0);
4142 }
4143
4144 qemu_opts_foreach(qemu_find_opts("device"),
4145 default_driver_check, NULL, NULL);
4146 qemu_opts_foreach(qemu_find_opts("global"),
4147 default_driver_check, NULL, NULL);
4148
4149 if (!vga_model && !default_vga) {
4150 vga_interface_type = VGA_DEVICE;
4151 }
4152 if (!has_defaults || machine_class->no_serial) {
4153 default_serial = 0;
4154 }
4155 if (!has_defaults || machine_class->no_parallel) {
4156 default_parallel = 0;
4157 }
4158 if (!has_defaults || !machine_class->use_virtcon) {
4159 default_virtcon = 0;
4160 }
4161 if (!has_defaults || !machine_class->use_sclp) {
4162 default_sclp = 0;
4163 }
4164 if (!has_defaults || machine_class->no_floppy) {
4165 default_floppy = 0;
4166 }
4167 if (!has_defaults || machine_class->no_cdrom) {
4168 default_cdrom = 0;
4169 }
4170 if (!has_defaults || machine_class->no_sdcard) {
4171 default_sdcard = 0;
4172 }
4173 if (!has_defaults) {
4174 default_monitor = 0;
4175 default_net = 0;
4176 default_vga = 0;
4177 }
4178
4179 if (is_daemonized()) {
4180 /* According to documentation and historically, -nographic redirects
4181 * serial port, parallel port and monitor to stdio, which does not work
4182 * with -daemonize. We can redirect these to null instead, but since
4183 * -nographic is legacy, let's just error out.
4184 * We disallow -nographic only if all other ports are not redirected
4185 * explicitly, to not break existing legacy setups which uses
4186 * -nographic _and_ redirects all ports explicitly - this is valid
4187 * usage, -nographic is just a no-op in this case.
4188 */
4189 if (nographic
4190 && (default_parallel || default_serial
4191 || default_monitor || default_virtcon)) {
4192 error_report("-nographic cannot be used with -daemonize");
4193 exit(1);
4194 }
4195 #ifdef CONFIG_CURSES
4196 if (display_type == DT_CURSES) {
4197 error_report("curses display cannot be used with -daemonize");
4198 exit(1);
4199 }
4200 #endif
4201 }
4202
4203 if (nographic) {
4204 if (default_parallel)
4205 add_device_config(DEV_PARALLEL, "null");
4206 if (default_serial && default_monitor) {
4207 add_device_config(DEV_SERIAL, "mon:stdio");
4208 } else if (default_virtcon && default_monitor) {
4209 add_device_config(DEV_VIRTCON, "mon:stdio");
4210 } else if (default_sclp && default_monitor) {
4211 add_device_config(DEV_SCLP, "mon:stdio");
4212 } else {
4213 if (default_serial)
4214 add_device_config(DEV_SERIAL, "stdio");
4215 if (default_virtcon)
4216 add_device_config(DEV_VIRTCON, "stdio");
4217 if (default_sclp) {
4218 add_device_config(DEV_SCLP, "stdio");
4219 }
4220 if (default_monitor)
4221 monitor_parse("stdio", "readline", false);
4222 }
4223 } else {
4224 if (default_serial)
4225 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4226 if (default_parallel)
4227 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4228 if (default_monitor)
4229 monitor_parse("vc:80Cx24C", "readline", false);
4230 if (default_virtcon)
4231 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4232 if (default_sclp) {
4233 add_device_config(DEV_SCLP, "vc:80Cx24C");
4234 }
4235 }
4236
4237 #if defined(CONFIG_VNC)
4238 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4239 display_remote++;
4240 }
4241 #endif
4242 if (display_type == DT_DEFAULT && !display_remote) {
4243 #if defined(CONFIG_GTK)
4244 display_type = DT_GTK;
4245 #elif defined(CONFIG_SDL)
4246 display_type = DT_SDL;
4247 #elif defined(CONFIG_COCOA)
4248 display_type = DT_COCOA;
4249 #elif defined(CONFIG_VNC)
4250 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4251 #else
4252 display_type = DT_NONE;
4253 #endif
4254 }
4255
4256 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4257 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4258 "for SDL, ignoring option");
4259 }
4260 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4261 error_report("-no-quit is only valid for GTK and SDL, "
4262 "ignoring option");
4263 }
4264
4265 if (display_type == DT_GTK) {
4266 early_gtk_display_init(request_opengl);
4267 }
4268
4269 if (display_type == DT_SDL) {
4270 sdl_display_early_init(request_opengl);
4271 }
4272
4273 if (request_opengl == 1 && display_opengl == 0) {
4274 #if defined(CONFIG_OPENGL)
4275 error_report("OpenGL is not supported by the display");
4276 #else
4277 error_report("OpenGL support is disabled");
4278 #endif
4279 exit(1);
4280 }
4281
4282 page_size_init();
4283 socket_init();
4284
4285 if (qemu_opts_foreach(qemu_find_opts("object"),
4286 user_creatable_add_opts_foreach,
4287 object_create_initial, NULL)) {
4288 exit(1);
4289 }
4290
4291 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4292 chardev_init_func, NULL, NULL)) {
4293 exit(1);
4294 }
4295
4296 #ifdef CONFIG_VIRTFS
4297 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4298 fsdev_init_func, NULL, NULL)) {
4299 exit(1);
4300 }
4301 #endif
4302
4303 if (qemu_opts_foreach(qemu_find_opts("device"),
4304 device_help_func, NULL, NULL)) {
4305 exit(0);
4306 }
4307
4308 machine_opts = qemu_get_machine_opts();
4309 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4310 NULL)) {
4311 object_unref(OBJECT(current_machine));
4312 exit(1);
4313 }
4314
4315 configure_accelerator(current_machine);
4316
4317 if (qtest_chrdev) {
4318 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4319 }
4320
4321 machine_opts = qemu_get_machine_opts();
4322 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4323 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4324 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4325 bios_name = qemu_opt_get(machine_opts, "firmware");
4326
4327 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4328 if (opts) {
4329 boot_order = qemu_opt_get(opts, "order");
4330 if (boot_order) {
4331 validate_bootdevices(boot_order, &error_fatal);
4332 }
4333
4334 boot_once = qemu_opt_get(opts, "once");
4335 if (boot_once) {
4336 validate_bootdevices(boot_once, &error_fatal);
4337 }
4338
4339 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4340 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4341 }
4342
4343 if (!boot_order) {
4344 boot_order = machine_class->default_boot_order;
4345 }
4346
4347 if (!kernel_cmdline) {
4348 kernel_cmdline = "";
4349 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4350 }
4351
4352 linux_boot = (kernel_filename != NULL);
4353
4354 if (!linux_boot && *kernel_cmdline != '\0') {
4355 error_report("-append only allowed with -kernel option");
4356 exit(1);
4357 }
4358
4359 if (!linux_boot && initrd_filename != NULL) {
4360 error_report("-initrd only allowed with -kernel option");
4361 exit(1);
4362 }
4363
4364 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4365 /* fall back to the -kernel/-append */
4366 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4367 }
4368
4369 os_set_line_buffering();
4370
4371 /* spice needs the timers to be initialized by this point */
4372 qemu_spice_init();
4373
4374 cpu_ticks_init();
4375 if (icount_opts) {
4376 if (kvm_enabled() || xen_enabled()) {
4377 error_report("-icount is not allowed with kvm or xen");
4378 exit(1);
4379 }
4380 configure_icount(icount_opts, &error_abort);
4381 qemu_opts_del(icount_opts);
4382 }
4383
4384 if (default_net) {
4385 QemuOptsList *net = qemu_find_opts("net");
4386 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4387 #ifdef CONFIG_SLIRP
4388 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4389 #endif
4390 }
4391
4392 colo_info_init();
4393
4394 if (net_init_clients() < 0) {
4395 exit(1);
4396 }
4397
4398 if (qemu_opts_foreach(qemu_find_opts("object"),
4399 user_creatable_add_opts_foreach,
4400 object_create_delayed, NULL)) {
4401 exit(1);
4402 }
4403
4404 #ifdef CONFIG_TPM
4405 if (tpm_init() < 0) {
4406 exit(1);
4407 }
4408 #endif
4409
4410 /* init the bluetooth world */
4411 if (foreach_device_config(DEV_BT, bt_parse))
4412 exit(1);
4413
4414 if (!xen_enabled()) {
4415 /* On 32-bit hosts, QEMU is limited by virtual address space */
4416 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4417 error_report("at most 2047 MB RAM can be simulated");
4418 exit(1);
4419 }
4420 }
4421
4422 blk_mig_init();
4423 ram_mig_init();
4424
4425 /* If the currently selected machine wishes to override the units-per-bus
4426 * property of its default HBA interface type, do so now. */
4427 if (machine_class->units_per_default_bus) {
4428 override_max_devs(machine_class->block_default_type,
4429 machine_class->units_per_default_bus);
4430 }
4431
4432 /* open the virtual block devices */
4433 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4434 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4435 NULL, NULL);
4436 }
4437 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4438 &machine_class->block_default_type, NULL)) {
4439 exit(1);
4440 }
4441
4442 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4443 CDROM_OPTS);
4444 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4445 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4446
4447 parse_numa_opts(machine_class);
4448
4449 if (qemu_opts_foreach(qemu_find_opts("mon"),
4450 mon_init_func, NULL, NULL)) {
4451 exit(1);
4452 }
4453
4454 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4455 exit(1);
4456 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4457 exit(1);
4458 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4459 exit(1);
4460 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4461 exit(1);
4462 }
4463 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4464 exit(1);
4465
4466 /* If no default VGA is requested, the default is "none". */
4467 if (default_vga) {
4468 if (machine_class->default_display) {
4469 vga_model = machine_class->default_display;
4470 } else if (vga_interface_available(VGA_CIRRUS)) {
4471 vga_model = "cirrus";
4472 } else if (vga_interface_available(VGA_STD)) {
4473 vga_model = "std";
4474 }
4475 }
4476 if (vga_model) {
4477 select_vgahw(vga_model);
4478 }
4479
4480 if (watchdog) {
4481 i = select_watchdog(watchdog);
4482 if (i > 0)
4483 exit (i == 1 ? 1 : 0);
4484 }
4485
4486 machine_register_compat_props(current_machine);
4487
4488 qemu_opts_foreach(qemu_find_opts("global"),
4489 global_init_func, NULL, NULL);
4490
4491 /* This checkpoint is required by replay to separate prior clock
4492 reading from the other reads, because timer polling functions query
4493 clock values from the log. */
4494 replay_checkpoint(CHECKPOINT_INIT);
4495 qdev_machine_init();
4496
4497 current_machine->ram_size = ram_size;
4498 current_machine->maxram_size = maxram_size;
4499 current_machine->ram_slots = ram_slots;
4500 current_machine->boot_order = boot_order;
4501 current_machine->cpu_model = cpu_model;
4502
4503 machine_class->init(current_machine);
4504
4505 realtime_init();
4506
4507 audio_init();
4508
4509 cpu_synchronize_all_post_init();
4510
4511 numa_post_machine_init();
4512
4513 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4514 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4515 exit(1);
4516 }
4517
4518 /* init USB devices */
4519 if (machine_usb(current_machine)) {
4520 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4521 exit(1);
4522 }
4523
4524 /* Check if IGD GFX passthrough. */
4525 igd_gfx_passthru();
4526
4527 /* init generic devices */
4528 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4529 if (qemu_opts_foreach(qemu_find_opts("device"),
4530 device_init_func, NULL, NULL)) {
4531 exit(1);
4532 }
4533 rom_reset_order_override();
4534
4535 /* Did we create any drives that we failed to create a device for? */
4536 drive_check_orphaned();
4537
4538 /* Don't warn about the default network setup that you get if
4539 * no command line -net or -netdev options are specified. There
4540 * are two cases that we would otherwise complain about:
4541 * (1) board doesn't support a NIC but the implicit "-net nic"
4542 * requested one
4543 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4544 * sets up a nic that isn't connected to anything.
4545 */
4546 if (!default_net) {
4547 net_check_clients();
4548 }
4549
4550
4551 if (boot_once) {
4552 qemu_boot_set(boot_once, &error_fatal);
4553 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4554 }
4555
4556 ds = init_displaystate();
4557
4558 /* init local displays */
4559 switch (display_type) {
4560 case DT_CURSES:
4561 curses_display_init(ds, full_screen);
4562 break;
4563 case DT_SDL:
4564 sdl_display_init(ds, full_screen, no_frame);
4565 break;
4566 case DT_COCOA:
4567 cocoa_display_init(ds, full_screen);
4568 break;
4569 case DT_GTK:
4570 gtk_display_init(ds, full_screen, grab_on_hover);
4571 break;
4572 default:
4573 break;
4574 }
4575
4576 /* must be after terminal init, SDL library changes signal handlers */
4577 os_setup_signal_handling();
4578
4579 /* init remote displays */
4580 #ifdef CONFIG_VNC
4581 qemu_opts_foreach(qemu_find_opts("vnc"),
4582 vnc_init_func, NULL, NULL);
4583 #endif
4584
4585 if (using_spice) {
4586 qemu_spice_display_init();
4587 }
4588
4589 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4590 exit(1);
4591 }
4592
4593 qdev_machine_creation_done();
4594
4595 /* TODO: once all bus devices are qdevified, this should be done
4596 * when bus is created by qdev.c */
4597 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4598 qemu_run_machine_init_done_notifiers();
4599
4600 if (rom_check_and_register_reset() != 0) {
4601 error_report("rom check and register reset failed");
4602 exit(1);
4603 }
4604
4605 replay_start();
4606
4607 /* This checkpoint is required by replay to separate prior clock
4608 reading from the other reads, because timer polling functions query
4609 clock values from the log. */
4610 replay_checkpoint(CHECKPOINT_RESET);
4611 qemu_system_reset(VMRESET_SILENT);
4612 register_global_state();
4613 if (loadvm) {
4614 if (load_vmstate(loadvm) < 0) {
4615 autostart = 0;
4616 }
4617 }
4618
4619 qdev_prop_check_globals();
4620 if (vmstate_dump_file) {
4621 /* dump and exit */
4622 dump_vmstate_json_to_file(vmstate_dump_file);
4623 return 0;
4624 }
4625
4626 if (incoming) {
4627 Error *local_err = NULL;
4628 qemu_start_incoming_migration(incoming, &local_err);
4629 if (local_err) {
4630 error_reportf_err(local_err, "-incoming %s: ", incoming);
4631 exit(1);
4632 }
4633 } else if (autostart) {
4634 vm_start();
4635 }
4636
4637 os_setup_post();
4638
4639 main_loop();
4640 replay_disable_events();
4641 iothread_stop_all();
4642
4643 bdrv_close_all();
4644 pause_all_vcpus();
4645 res_free();
4646
4647 /* vhost-user must be cleaned up before chardevs. */
4648 net_cleanup();
4649 audio_cleanup();
4650 monitor_cleanup();
4651 qemu_chr_cleanup();
4652
4653 return 0;
4654 }
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