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hmp: Drop pointless allocation during qapi visit
[qemu/kevin.git] / vl.c
blobdb51ebd2a62ed6d70f8a295f09372e99b453e68b
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
26
27 #ifdef CONFIG_SECCOMP
28 #include "sysemu/seccomp.h"
29 #endif
30
31 #if defined(CONFIG_VDE)
32 #include <libvdeplug.h>
33 #endif
34
35 #ifdef CONFIG_SDL
36 #if defined(__APPLE__) || defined(main)
37 #include <SDL.h>
38 int qemu_main(int argc, char **argv, char **envp);
39 int main(int argc, char **argv)
40 {
41 return qemu_main(argc, argv, NULL);
42 }
43 #undef main
44 #define main qemu_main
45 #endif
46 #endif /* CONFIG_SDL */
47
48 #ifdef CONFIG_COCOA
49 #undef main
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
52
53 #include <glib.h>
54
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
57 #include "hw/hw.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
60 #include "hw/usb.h"
61 #include "hw/i386/pc.h"
62 #include "hw/isa/isa.h"
63 #include "hw/bt.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "sysemu/char.h"
80 #include "qemu/bitmap.h"
81 #include "sysemu/blockdev.h"
82 #include "hw/block/block.h"
83 #include "migration/block.h"
84 #include "sysemu/tpm.h"
85 #include "sysemu/dma.h"
86 #include "audio/audio.h"
87 #include "migration/migration.h"
88 #include "sysemu/kvm.h"
89 #include "qapi/qmp/qjson.h"
90 #include "qemu/option.h"
91 #include "qemu/config-file.h"
92 #include "qemu-options.h"
93 #include "qmp-commands.h"
94 #include "qemu/main-loop.h"
95 #ifdef CONFIG_VIRTFS
96 #include "fsdev/qemu-fsdev.h"
97 #endif
98 #include "sysemu/qtest.h"
99
100 #include "disas/disas.h"
101
102
103 #include "slirp/libslirp.h"
104
105 #include "trace.h"
106 #include "trace/control.h"
107 #include "qemu/queue.h"
108 #include "sysemu/cpus.h"
109 #include "sysemu/arch_init.h"
110
111 #include "ui/qemu-spice.h"
112 #include "qapi/string-input-visitor.h"
113 #include "qapi/opts-visitor.h"
114 #include "qom/object_interfaces.h"
115 #include "qapi-event.h"
116 #include "exec/semihost.h"
117 #include "crypto/init.h"
118 #include "sysemu/replay.h"
119 #include "qapi/qmp/qerror.h"
120
121 #define MAX_VIRTIO_CONSOLES 1
122 #define MAX_SCLP_CONSOLES 1
123
124 static const char *data_dir[16];
125 static int data_dir_idx;
126 const char *bios_name = NULL;
127 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
128 DisplayType display_type = DT_DEFAULT;
129 int request_opengl = -1;
130 int display_opengl;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 bool enable_mlock = false;
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210
211 static struct {
212 const char *driver;
213 int *flag;
214 } default_list[] = {
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
231 };
232
233 static QemuOptsList qemu_rtc_opts = {
234 .name = "rtc",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
236 .desc = {
237 {
238 .name = "base",
239 .type = QEMU_OPT_STRING,
240 },{
241 .name = "clock",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "driftfix",
245 .type = QEMU_OPT_STRING,
246 },
247 { /* end of list */ }
248 },
249 };
250
251 static QemuOptsList qemu_sandbox_opts = {
252 .name = "sandbox",
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
255 .desc = {
256 {
257 .name = "enable",
258 .type = QEMU_OPT_BOOL,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_trace_opts = {
265 .name = "trace",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_STRING,
272 },
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "rr",
477 .type = QEMU_OPT_STRING,
478 }, {
479 .name = "rrfile",
480 .type = QEMU_OPT_STRING,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
490 .desc = {
491 {
492 .name = "enable",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "target",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "arg",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526 };
527
528 /**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533 QemuOpts *qemu_get_machine_opts(void)
534 {
535 return qemu_find_opts_singleton("machine");
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550 {
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562 }
563
564 /***********************************************************/
565 /* QEMU state */
566
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
568
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
572
573 typedef struct {
574 RunState from;
575 RunState to;
576 } RunStateTransition;
577
578 static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
584 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
586 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
587 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
590 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
594 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
597 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
600 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
604
605 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
606 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
608
609 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
611
612 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
613
614 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
615 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
616 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
617 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
618 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
620 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
621 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
622 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
623 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
624
625 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
626
627 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
628 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
629
630 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
631 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
632 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
633 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
634
635 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
636 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
637
638 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
639 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
640
641 { RUN_STATE__MAX, RUN_STATE__MAX },
642 };
643
644 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
645
646 bool runstate_check(RunState state)
647 {
648 return current_run_state == state;
649 }
650
651 bool runstate_store(char *str, size_t size)
652 {
653 const char *state = RunState_lookup[current_run_state];
654 size_t len = strlen(state) + 1;
655
656 if (len > size) {
657 return false;
658 }
659 memcpy(str, state, len);
660 return true;
661 }
662
663 static void runstate_init(void)
664 {
665 const RunStateTransition *p;
666
667 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
668 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
669 runstate_valid_transitions[p->from][p->to] = true;
670 }
671
672 qemu_mutex_init(&vmstop_lock);
673 }
674
675 /* This function will abort() on invalid state transitions */
676 void runstate_set(RunState new_state)
677 {
678 assert(new_state < RUN_STATE__MAX);
679
680 if (!runstate_valid_transitions[current_run_state][new_state]) {
681 error_report("invalid runstate transition: '%s' -> '%s'",
682 RunState_lookup[current_run_state],
683 RunState_lookup[new_state]);
684 abort();
685 }
686 trace_runstate_set(new_state);
687 current_run_state = new_state;
688 }
689
690 int runstate_is_running(void)
691 {
692 return runstate_check(RUN_STATE_RUNNING);
693 }
694
695 bool runstate_needs_reset(void)
696 {
697 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
698 runstate_check(RUN_STATE_SHUTDOWN);
699 }
700
701 StatusInfo *qmp_query_status(Error **errp)
702 {
703 StatusInfo *info = g_malloc0(sizeof(*info));
704
705 info->running = runstate_is_running();
706 info->singlestep = singlestep;
707 info->status = current_run_state;
708
709 return info;
710 }
711
712 static bool qemu_vmstop_requested(RunState *r)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 *r = vmstop_requested;
716 vmstop_requested = RUN_STATE__MAX;
717 qemu_mutex_unlock(&vmstop_lock);
718 return *r < RUN_STATE__MAX;
719 }
720
721 void qemu_system_vmstop_request_prepare(void)
722 {
723 qemu_mutex_lock(&vmstop_lock);
724 }
725
726 void qemu_system_vmstop_request(RunState state)
727 {
728 vmstop_requested = state;
729 qemu_mutex_unlock(&vmstop_lock);
730 qemu_notify_event();
731 }
732
733 void vm_start(void)
734 {
735 RunState requested;
736
737 qemu_vmstop_requested(&requested);
738 if (runstate_is_running() && requested == RUN_STATE__MAX) {
739 return;
740 }
741
742 /* Ensure that a STOP/RESUME pair of events is emitted if a
743 * vmstop request was pending. The BLOCK_IO_ERROR event, for
744 * example, according to documentation is always followed by
745 * the STOP event.
746 */
747 if (runstate_is_running()) {
748 qapi_event_send_stop(&error_abort);
749 } else {
750 cpu_enable_ticks();
751 runstate_set(RUN_STATE_RUNNING);
752 vm_state_notify(1, RUN_STATE_RUNNING);
753 resume_all_vcpus();
754 }
755
756 qapi_event_send_resume(&error_abort);
757 }
758
759
760 /***********************************************************/
761 /* real time host monotonic timer */
762
763 static time_t qemu_time(void)
764 {
765 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
766 }
767
768 /***********************************************************/
769 /* host time/date access */
770 void qemu_get_timedate(struct tm *tm, int offset)
771 {
772 time_t ti = qemu_time();
773
774 ti += offset;
775 if (rtc_date_offset == -1) {
776 if (rtc_utc)
777 gmtime_r(&ti, tm);
778 else
779 localtime_r(&ti, tm);
780 } else {
781 ti -= rtc_date_offset;
782 gmtime_r(&ti, tm);
783 }
784 }
785
786 int qemu_timedate_diff(struct tm *tm)
787 {
788 time_t seconds;
789
790 if (rtc_date_offset == -1)
791 if (rtc_utc)
792 seconds = mktimegm(tm);
793 else {
794 struct tm tmp = *tm;
795 tmp.tm_isdst = -1; /* use timezone to figure it out */
796 seconds = mktime(&tmp);
797 }
798 else
799 seconds = mktimegm(tm) + rtc_date_offset;
800
801 return seconds - qemu_time();
802 }
803
804 static void configure_rtc_date_offset(const char *startdate, int legacy)
805 {
806 time_t rtc_start_date;
807 struct tm tm;
808
809 if (!strcmp(startdate, "now") && legacy) {
810 rtc_date_offset = -1;
811 } else {
812 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
813 &tm.tm_year,
814 &tm.tm_mon,
815 &tm.tm_mday,
816 &tm.tm_hour,
817 &tm.tm_min,
818 &tm.tm_sec) == 6) {
819 /* OK */
820 } else if (sscanf(startdate, "%d-%d-%d",
821 &tm.tm_year,
822 &tm.tm_mon,
823 &tm.tm_mday) == 3) {
824 tm.tm_hour = 0;
825 tm.tm_min = 0;
826 tm.tm_sec = 0;
827 } else {
828 goto date_fail;
829 }
830 tm.tm_year -= 1900;
831 tm.tm_mon--;
832 rtc_start_date = mktimegm(&tm);
833 if (rtc_start_date == -1) {
834 date_fail:
835 error_report("invalid date format");
836 error_printf("valid formats: "
837 "'2006-06-17T16:01:21' or '2006-06-17'\n");
838 exit(1);
839 }
840 rtc_date_offset = qemu_time() - rtc_start_date;
841 }
842 }
843
844 static void configure_rtc(QemuOpts *opts)
845 {
846 const char *value;
847
848 value = qemu_opt_get(opts, "base");
849 if (value) {
850 if (!strcmp(value, "utc")) {
851 rtc_utc = 1;
852 } else if (!strcmp(value, "localtime")) {
853 Error *blocker = NULL;
854 rtc_utc = 0;
855 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
856 "-rtc base=localtime");
857 replay_add_blocker(blocker);
858 } else {
859 configure_rtc_date_offset(value, 0);
860 }
861 }
862 value = qemu_opt_get(opts, "clock");
863 if (value) {
864 if (!strcmp(value, "host")) {
865 rtc_clock = QEMU_CLOCK_HOST;
866 } else if (!strcmp(value, "rt")) {
867 rtc_clock = QEMU_CLOCK_REALTIME;
868 } else if (!strcmp(value, "vm")) {
869 rtc_clock = QEMU_CLOCK_VIRTUAL;
870 } else {
871 error_report("invalid option value '%s'", value);
872 exit(1);
873 }
874 }
875 value = qemu_opt_get(opts, "driftfix");
876 if (value) {
877 if (!strcmp(value, "slew")) {
878 static GlobalProperty slew_lost_ticks[] = {
879 {
880 .driver = "mc146818rtc",
881 .property = "lost_tick_policy",
882 .value = "slew",
883 },
884 { /* end of list */ }
885 };
886
887 qdev_prop_register_global_list(slew_lost_ticks);
888 } else if (!strcmp(value, "none")) {
889 /* discard is default */
890 } else {
891 error_report("invalid option value '%s'", value);
892 exit(1);
893 }
894 }
895 }
896
897 /***********************************************************/
898 /* Bluetooth support */
899 static int nb_hcis;
900 static int cur_hci;
901 static struct HCIInfo *hci_table[MAX_NICS];
902
903 struct HCIInfo *qemu_next_hci(void)
904 {
905 if (cur_hci == nb_hcis)
906 return &null_hci;
907
908 return hci_table[cur_hci++];
909 }
910
911 static int bt_hci_parse(const char *str)
912 {
913 struct HCIInfo *hci;
914 bdaddr_t bdaddr;
915
916 if (nb_hcis >= MAX_NICS) {
917 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
918 return -1;
919 }
920
921 hci = hci_init(str);
922 if (!hci)
923 return -1;
924
925 bdaddr.b[0] = 0x52;
926 bdaddr.b[1] = 0x54;
927 bdaddr.b[2] = 0x00;
928 bdaddr.b[3] = 0x12;
929 bdaddr.b[4] = 0x34;
930 bdaddr.b[5] = 0x56 + nb_hcis;
931 hci->bdaddr_set(hci, bdaddr.b);
932
933 hci_table[nb_hcis++] = hci;
934
935 return 0;
936 }
937
938 static void bt_vhci_add(int vlan_id)
939 {
940 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
941
942 if (!vlan->slave)
943 error_report("warning: adding a VHCI to an empty scatternet %i",
944 vlan_id);
945
946 bt_vhci_init(bt_new_hci(vlan));
947 }
948
949 static struct bt_device_s *bt_device_add(const char *opt)
950 {
951 struct bt_scatternet_s *vlan;
952 int vlan_id = 0;
953 char *endp = strstr(opt, ",vlan=");
954 int len = (endp ? endp - opt : strlen(opt)) + 1;
955 char devname[10];
956
957 pstrcpy(devname, MIN(sizeof(devname), len), opt);
958
959 if (endp) {
960 vlan_id = strtol(endp + 6, &endp, 0);
961 if (*endp) {
962 error_report("unrecognised bluetooth vlan Id");
963 return 0;
964 }
965 }
966
967 vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
970 error_report("warning: adding a slave device to an empty scatternet %i",
971 vlan_id);
972
973 if (!strcmp(devname, "keyboard"))
974 return bt_keyboard_init(vlan);
975
976 error_report("unsupported bluetooth device '%s'", devname);
977 return 0;
978 }
979
980 static int bt_parse(const char *opt)
981 {
982 const char *endp, *p;
983 int vlan;
984
985 if (strstart(opt, "hci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp)
988 if (!strstart(endp, ",vlan=", 0))
989 opt = endp + 1;
990
991 return bt_hci_parse(opt);
992 }
993 } else if (strstart(opt, "vhci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp) {
996 if (strstart(endp, ",vlan=", &p)) {
997 vlan = strtol(p, (char **) &endp, 0);
998 if (*endp) {
999 error_report("bad scatternet '%s'", p);
1000 return 1;
1001 }
1002 } else {
1003 error_report("bad parameter '%s'", endp + 1);
1004 return 1;
1005 }
1006 } else
1007 vlan = 0;
1008
1009 bt_vhci_add(vlan);
1010 return 0;
1011 }
1012 } else if (strstart(opt, "device:", &endp))
1013 return !bt_device_add(endp);
1014
1015 error_report("bad bluetooth parameter '%s'", opt);
1016 return 1;
1017 }
1018
1019 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1020 {
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 error_report("failed to install seccomp syscall filter "
1026 "in the kernel");
1027 return -1;
1028 }
1029 #else
1030 error_report("seccomp support is disabled");
1031 return -1;
1032 #endif
1033 }
1034
1035 return 0;
1036 }
1037
1038 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 const char *proc_name;
1041
1042 if (qemu_opt_get(opts, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1044 }
1045 qemu_name = qemu_opt_get(opts, "guest");
1046
1047 proc_name = qemu_opt_get(opts, "process");
1048 if (proc_name) {
1049 os_set_proc_name(proc_name);
1050 }
1051
1052 return 0;
1053 }
1054
1055 bool defaults_enabled(void)
1056 {
1057 return has_defaults;
1058 }
1059
1060 bool usb_enabled(void)
1061 {
1062 return machine_usb(current_machine);
1063 }
1064
1065 #ifndef _WIN32
1066 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1067 {
1068 int fd, dupfd, flags;
1069 int64_t fdset_id;
1070 const char *fd_opaque = NULL;
1071 AddfdInfo *fdinfo;
1072
1073 fd = qemu_opt_get_number(opts, "fd", -1);
1074 fdset_id = qemu_opt_get_number(opts, "set", -1);
1075 fd_opaque = qemu_opt_get(opts, "opaque");
1076
1077 if (fd < 0) {
1078 error_report("fd option is required and must be non-negative");
1079 return -1;
1080 }
1081
1082 if (fd <= STDERR_FILENO) {
1083 error_report("fd cannot be a standard I/O stream");
1084 return -1;
1085 }
1086
1087 /*
1088 * All fds inherited across exec() necessarily have FD_CLOEXEC
1089 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1090 */
1091 flags = fcntl(fd, F_GETFD);
1092 if (flags == -1 || (flags & FD_CLOEXEC)) {
1093 error_report("fd is not valid or already in use");
1094 return -1;
1095 }
1096
1097 if (fdset_id < 0) {
1098 error_report("set option is required and must be non-negative");
1099 return -1;
1100 }
1101
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1104 #else
1105 dupfd = dup(fd);
1106 if (dupfd != -1) {
1107 qemu_set_cloexec(dupfd);
1108 }
1109 #endif
1110 if (dupfd == -1) {
1111 error_report("error duplicating fd: %s", strerror(errno));
1112 return -1;
1113 }
1114
1115 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1116 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1117 &error_abort);
1118 g_free(fdinfo);
1119
1120 return 0;
1121 }
1122
1123 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1124 {
1125 int fd;
1126
1127 fd = qemu_opt_get_number(opts, "fd", -1);
1128 close(fd);
1129
1130 return 0;
1131 }
1132 #endif
1133
1134 /***********************************************************/
1135 /* QEMU Block devices */
1136
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1139 #define FD_OPTS ""
1140 #define PFLASH_OPTS ""
1141 #define MTD_OPTS ""
1142 #define SD_OPTS ""
1143
1144 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1145 {
1146 BlockInterfaceType *block_default_type = opaque;
1147
1148 return drive_new(opts, *block_default_type) == NULL;
1149 }
1150
1151 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 if (qemu_opt_get(opts, "snapshot") == NULL) {
1154 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1155 }
1156 return 0;
1157 }
1158
1159 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1160 int index, const char *optstr)
1161 {
1162 QemuOpts *opts;
1163 DriveInfo *dinfo;
1164
1165 if (!enable || drive_get_by_index(type, index)) {
1166 return;
1167 }
1168
1169 opts = drive_add(type, index, NULL, optstr);
1170 if (snapshot) {
1171 drive_enable_snapshot(NULL, opts, NULL);
1172 }
1173
1174 dinfo = drive_new(opts, type);
1175 if (!dinfo) {
1176 exit(1);
1177 }
1178 dinfo->is_default = true;
1179
1180 }
1181
1182 static QemuOptsList qemu_smp_opts = {
1183 .name = "smp-opts",
1184 .implied_opt_name = "cpus",
1185 .merge_lists = true,
1186 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1187 .desc = {
1188 {
1189 .name = "cpus",
1190 .type = QEMU_OPT_NUMBER,
1191 }, {
1192 .name = "sockets",
1193 .type = QEMU_OPT_NUMBER,
1194 }, {
1195 .name = "cores",
1196 .type = QEMU_OPT_NUMBER,
1197 }, {
1198 .name = "threads",
1199 .type = QEMU_OPT_NUMBER,
1200 }, {
1201 .name = "maxcpus",
1202 .type = QEMU_OPT_NUMBER,
1203 },
1204 { /*End of list */ }
1205 },
1206 };
1207
1208 static void smp_parse(QemuOpts *opts)
1209 {
1210 if (opts) {
1211
1212 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1213 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1214 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1215 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1216
1217 /* compute missing values, prefer sockets over cores over threads */
1218 if (cpus == 0 || sockets == 0) {
1219 sockets = sockets > 0 ? sockets : 1;
1220 cores = cores > 0 ? cores : 1;
1221 threads = threads > 0 ? threads : 1;
1222 if (cpus == 0) {
1223 cpus = cores * threads * sockets;
1224 }
1225 } else if (cores == 0) {
1226 threads = threads > 0 ? threads : 1;
1227 cores = cpus / (sockets * threads);
1228 } else if (threads == 0) {
1229 threads = cpus / (cores * sockets);
1230 } else if (sockets * cores * threads < cpus) {
1231 error_report("cpu topology: "
1232 "sockets (%u) * cores (%u) * threads (%u) < "
1233 "smp_cpus (%u)",
1234 sockets, cores, threads, cpus);
1235 exit(1);
1236 }
1237
1238 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1239 if (sockets * cores * threads > max_cpus) {
1240 error_report("cpu topology: "
1241 "sockets (%u) * cores (%u) * threads (%u) > "
1242 "maxcpus (%u)",
1243 sockets, cores, threads, max_cpus);
1244 exit(1);
1245 }
1246
1247 smp_cpus = cpus;
1248 smp_cores = cores > 0 ? cores : 1;
1249 smp_threads = threads > 0 ? threads : 1;
1250
1251 }
1252
1253 if (max_cpus == 0) {
1254 max_cpus = smp_cpus;
1255 }
1256
1257 if (max_cpus > MAX_CPUMASK_BITS) {
1258 error_report("unsupported number of maxcpus");
1259 exit(1);
1260 }
1261 if (max_cpus < smp_cpus) {
1262 error_report("maxcpus must be equal to or greater than smp");
1263 exit(1);
1264 }
1265
1266 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1267 Error *blocker = NULL;
1268 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1269 replay_add_blocker(blocker);
1270 }
1271 }
1272
1273 static void realtime_init(void)
1274 {
1275 if (enable_mlock) {
1276 if (os_mlock() < 0) {
1277 error_report("locking memory failed");
1278 exit(1);
1279 }
1280 }
1281 }
1282
1283
1284 static void configure_msg(QemuOpts *opts)
1285 {
1286 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1287 }
1288
1289 /***********************************************************/
1290 /* Semihosting */
1291
1292 typedef struct SemihostingConfig {
1293 bool enabled;
1294 SemihostingTarget target;
1295 const char **argv;
1296 int argc;
1297 const char *cmdline; /* concatenated argv */
1298 } SemihostingConfig;
1299
1300 static SemihostingConfig semihosting;
1301
1302 bool semihosting_enabled(void)
1303 {
1304 return semihosting.enabled;
1305 }
1306
1307 SemihostingTarget semihosting_get_target(void)
1308 {
1309 return semihosting.target;
1310 }
1311
1312 const char *semihosting_get_arg(int i)
1313 {
1314 if (i >= semihosting.argc) {
1315 return NULL;
1316 }
1317 return semihosting.argv[i];
1318 }
1319
1320 int semihosting_get_argc(void)
1321 {
1322 return semihosting.argc;
1323 }
1324
1325 const char *semihosting_get_cmdline(void)
1326 {
1327 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1328 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1329 }
1330 return semihosting.cmdline;
1331 }
1332
1333 static int add_semihosting_arg(void *opaque,
1334 const char *name, const char *val,
1335 Error **errp)
1336 {
1337 SemihostingConfig *s = opaque;
1338 if (strcmp(name, "arg") == 0) {
1339 s->argc++;
1340 /* one extra element as g_strjoinv() expects NULL-terminated array */
1341 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1342 s->argv[s->argc - 1] = val;
1343 s->argv[s->argc] = NULL;
1344 }
1345 return 0;
1346 }
1347
1348 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1349 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1350 {
1351 char *cmd_token;
1352
1353 /* argv[0] */
1354 add_semihosting_arg(&semihosting, "arg", file, NULL);
1355
1356 /* split -append and initialize argv[1..n] */
1357 cmd_token = strtok(g_strdup(cmd), " ");
1358 while (cmd_token) {
1359 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1360 cmd_token = strtok(NULL, " ");
1361 }
1362 }
1363
1364 /* Now we still need this for compatibility with XEN. */
1365 bool has_igd_gfx_passthru;
1366 static void igd_gfx_passthru(void)
1367 {
1368 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1369 }
1370
1371 /***********************************************************/
1372 /* USB devices */
1373
1374 static int usb_device_add(const char *devname)
1375 {
1376 USBDevice *dev = NULL;
1377 #ifndef CONFIG_LINUX
1378 const char *p;
1379 #endif
1380
1381 if (!usb_enabled()) {
1382 return -1;
1383 }
1384
1385 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1386 dev = usbdevice_create(devname);
1387 if (dev)
1388 goto done;
1389
1390 /* the other ones */
1391 #ifndef CONFIG_LINUX
1392 /* only the linux version is qdev-ified, usb-bsd still needs this */
1393 if (strstart(devname, "host:", &p)) {
1394 dev = usb_host_device_open(usb_bus_find(-1), p);
1395 }
1396 #endif
1397 if (!dev)
1398 return -1;
1399
1400 done:
1401 return 0;
1402 }
1403
1404 static int usb_device_del(const char *devname)
1405 {
1406 int bus_num, addr;
1407 const char *p;
1408
1409 if (strstart(devname, "host:", &p)) {
1410 return -1;
1411 }
1412
1413 if (!usb_enabled()) {
1414 return -1;
1415 }
1416
1417 p = strchr(devname, '.');
1418 if (!p)
1419 return -1;
1420 bus_num = strtoul(devname, NULL, 0);
1421 addr = strtoul(p + 1, NULL, 0);
1422
1423 return usb_device_delete_addr(bus_num, addr);
1424 }
1425
1426 static int usb_parse(const char *cmdline)
1427 {
1428 int r;
1429 r = usb_device_add(cmdline);
1430 if (r < 0) {
1431 error_report("could not add USB device '%s'", cmdline);
1432 }
1433 return r;
1434 }
1435
1436 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1437 {
1438 const char *devname = qdict_get_str(qdict, "devname");
1439 if (usb_device_add(devname) < 0) {
1440 error_report("could not add USB device '%s'", devname);
1441 }
1442 }
1443
1444 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1445 {
1446 const char *devname = qdict_get_str(qdict, "devname");
1447 if (usb_device_del(devname) < 0) {
1448 error_report("could not delete USB device '%s'", devname);
1449 }
1450 }
1451
1452 /***********************************************************/
1453 /* machine registration */
1454
1455 MachineState *current_machine;
1456
1457 static MachineClass *find_machine(const char *name)
1458 {
1459 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1460 MachineClass *mc = NULL;
1461
1462 for (el = machines; el; el = el->next) {
1463 MachineClass *temp = el->data;
1464
1465 if (!strcmp(temp->name, name)) {
1466 mc = temp;
1467 break;
1468 }
1469 if (temp->alias &&
1470 !strcmp(temp->alias, name)) {
1471 mc = temp;
1472 break;
1473 }
1474 }
1475
1476 g_slist_free(machines);
1477 return mc;
1478 }
1479
1480 MachineClass *find_default_machine(void)
1481 {
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineClass *mc = NULL;
1484
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *temp = el->data;
1487
1488 if (temp->is_default) {
1489 mc = temp;
1490 break;
1491 }
1492 }
1493
1494 g_slist_free(machines);
1495 return mc;
1496 }
1497
1498 MachineInfoList *qmp_query_machines(Error **errp)
1499 {
1500 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1501 MachineInfoList *mach_list = NULL;
1502
1503 for (el = machines; el; el = el->next) {
1504 MachineClass *mc = el->data;
1505 MachineInfoList *entry;
1506 MachineInfo *info;
1507
1508 info = g_malloc0(sizeof(*info));
1509 if (mc->is_default) {
1510 info->has_is_default = true;
1511 info->is_default = true;
1512 }
1513
1514 if (mc->alias) {
1515 info->has_alias = true;
1516 info->alias = g_strdup(mc->alias);
1517 }
1518
1519 info->name = g_strdup(mc->name);
1520 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1521
1522 entry = g_malloc0(sizeof(*entry));
1523 entry->value = info;
1524 entry->next = mach_list;
1525 mach_list = entry;
1526 }
1527
1528 g_slist_free(machines);
1529 return mach_list;
1530 }
1531
1532 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1533 {
1534 ObjectProperty *prop;
1535 ObjectPropertyIterator iter;
1536
1537 if (!qemu_opt_has_help_opt(opts)) {
1538 return 0;
1539 }
1540
1541 object_property_iter_init(&iter, OBJECT(machine));
1542 while ((prop = object_property_iter_next(&iter))) {
1543 if (!prop->set) {
1544 continue;
1545 }
1546
1547 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1548 prop->name, prop->type);
1549 if (prop->description) {
1550 error_printf(" (%s)\n", prop->description);
1551 } else {
1552 error_printf("\n");
1553 }
1554 }
1555
1556 return 1;
1557 }
1558
1559 /***********************************************************/
1560 /* main execution loop */
1561
1562 struct vm_change_state_entry {
1563 VMChangeStateHandler *cb;
1564 void *opaque;
1565 QLIST_ENTRY (vm_change_state_entry) entries;
1566 };
1567
1568 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1569
1570 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1571 void *opaque)
1572 {
1573 VMChangeStateEntry *e;
1574
1575 e = g_malloc0(sizeof (*e));
1576
1577 e->cb = cb;
1578 e->opaque = opaque;
1579 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1580 return e;
1581 }
1582
1583 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1584 {
1585 QLIST_REMOVE (e, entries);
1586 g_free (e);
1587 }
1588
1589 void vm_state_notify(int running, RunState state)
1590 {
1591 VMChangeStateEntry *e, *next;
1592
1593 trace_vm_state_notify(running, state);
1594
1595 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1596 e->cb(e->opaque, running, state);
1597 }
1598 }
1599
1600 /* reset/shutdown handler */
1601
1602 typedef struct QEMUResetEntry {
1603 QTAILQ_ENTRY(QEMUResetEntry) entry;
1604 QEMUResetHandler *func;
1605 void *opaque;
1606 } QEMUResetEntry;
1607
1608 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1609 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1610 static int reset_requested;
1611 static int shutdown_requested, shutdown_signal = -1;
1612 static pid_t shutdown_pid;
1613 static int powerdown_requested;
1614 static int debug_requested;
1615 static int suspend_requested;
1616 static WakeupReason wakeup_reason;
1617 static NotifierList powerdown_notifiers =
1618 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1619 static NotifierList suspend_notifiers =
1620 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1621 static NotifierList wakeup_notifiers =
1622 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1623 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1624
1625 int qemu_shutdown_requested_get(void)
1626 {
1627 return shutdown_requested;
1628 }
1629
1630 int qemu_reset_requested_get(void)
1631 {
1632 return reset_requested;
1633 }
1634
1635 static int qemu_shutdown_requested(void)
1636 {
1637 return atomic_xchg(&shutdown_requested, 0);
1638 }
1639
1640 static void qemu_kill_report(void)
1641 {
1642 if (!qtest_driver() && shutdown_signal != -1) {
1643 if (shutdown_pid == 0) {
1644 /* This happens for eg ^C at the terminal, so it's worth
1645 * avoiding printing an odd message in that case.
1646 */
1647 error_report("terminating on signal %d", shutdown_signal);
1648 } else {
1649 error_report("terminating on signal %d from pid " FMT_pid,
1650 shutdown_signal, shutdown_pid);
1651 }
1652 shutdown_signal = -1;
1653 }
1654 }
1655
1656 static int qemu_reset_requested(void)
1657 {
1658 int r = reset_requested;
1659 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1660 reset_requested = 0;
1661 return r;
1662 }
1663 return false;
1664 }
1665
1666 static int qemu_suspend_requested(void)
1667 {
1668 int r = suspend_requested;
1669 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1670 suspend_requested = 0;
1671 return r;
1672 }
1673 return false;
1674 }
1675
1676 static WakeupReason qemu_wakeup_requested(void)
1677 {
1678 return wakeup_reason;
1679 }
1680
1681 static int qemu_powerdown_requested(void)
1682 {
1683 int r = powerdown_requested;
1684 powerdown_requested = 0;
1685 return r;
1686 }
1687
1688 static int qemu_debug_requested(void)
1689 {
1690 int r = debug_requested;
1691 debug_requested = 0;
1692 return r;
1693 }
1694
1695 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1696 {
1697 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1698
1699 re->func = func;
1700 re->opaque = opaque;
1701 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1702 }
1703
1704 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1705 {
1706 QEMUResetEntry *re;
1707
1708 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1709 if (re->func == func && re->opaque == opaque) {
1710 QTAILQ_REMOVE(&reset_handlers, re, entry);
1711 g_free(re);
1712 return;
1713 }
1714 }
1715 }
1716
1717 void qemu_devices_reset(void)
1718 {
1719 QEMUResetEntry *re, *nre;
1720
1721 /* reset all devices */
1722 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1723 re->func(re->opaque);
1724 }
1725 }
1726
1727 void qemu_system_reset(bool report)
1728 {
1729 MachineClass *mc;
1730
1731 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1732
1733 if (mc && mc->reset) {
1734 mc->reset();
1735 } else {
1736 qemu_devices_reset();
1737 }
1738 if (report) {
1739 qapi_event_send_reset(&error_abort);
1740 }
1741 cpu_synchronize_all_post_reset();
1742 }
1743
1744 void qemu_system_guest_panicked(void)
1745 {
1746 if (current_cpu) {
1747 current_cpu->crash_occurred = true;
1748 }
1749 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1750 vm_stop(RUN_STATE_GUEST_PANICKED);
1751 }
1752
1753 void qemu_system_reset_request(void)
1754 {
1755 if (no_reboot) {
1756 shutdown_requested = 1;
1757 } else {
1758 reset_requested = 1;
1759 }
1760 cpu_stop_current();
1761 qemu_notify_event();
1762 }
1763
1764 static void qemu_system_suspend(void)
1765 {
1766 pause_all_vcpus();
1767 notifier_list_notify(&suspend_notifiers, NULL);
1768 runstate_set(RUN_STATE_SUSPENDED);
1769 qapi_event_send_suspend(&error_abort);
1770 }
1771
1772 void qemu_system_suspend_request(void)
1773 {
1774 if (runstate_check(RUN_STATE_SUSPENDED)) {
1775 return;
1776 }
1777 suspend_requested = 1;
1778 cpu_stop_current();
1779 qemu_notify_event();
1780 }
1781
1782 void qemu_register_suspend_notifier(Notifier *notifier)
1783 {
1784 notifier_list_add(&suspend_notifiers, notifier);
1785 }
1786
1787 void qemu_system_wakeup_request(WakeupReason reason)
1788 {
1789 trace_system_wakeup_request(reason);
1790
1791 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1792 return;
1793 }
1794 if (!(wakeup_reason_mask & (1 << reason))) {
1795 return;
1796 }
1797 runstate_set(RUN_STATE_RUNNING);
1798 wakeup_reason = reason;
1799 qemu_notify_event();
1800 }
1801
1802 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1803 {
1804 if (enabled) {
1805 wakeup_reason_mask |= (1 << reason);
1806 } else {
1807 wakeup_reason_mask &= ~(1 << reason);
1808 }
1809 }
1810
1811 void qemu_register_wakeup_notifier(Notifier *notifier)
1812 {
1813 notifier_list_add(&wakeup_notifiers, notifier);
1814 }
1815
1816 void qemu_system_killed(int signal, pid_t pid)
1817 {
1818 shutdown_signal = signal;
1819 shutdown_pid = pid;
1820 no_shutdown = 0;
1821
1822 /* Cannot call qemu_system_shutdown_request directly because
1823 * we are in a signal handler.
1824 */
1825 shutdown_requested = 1;
1826 qemu_notify_event();
1827 }
1828
1829 void qemu_system_shutdown_request(void)
1830 {
1831 trace_qemu_system_shutdown_request();
1832 replay_shutdown_request();
1833 shutdown_requested = 1;
1834 qemu_notify_event();
1835 }
1836
1837 static void qemu_system_powerdown(void)
1838 {
1839 qapi_event_send_powerdown(&error_abort);
1840 notifier_list_notify(&powerdown_notifiers, NULL);
1841 }
1842
1843 void qemu_system_powerdown_request(void)
1844 {
1845 trace_qemu_system_powerdown_request();
1846 powerdown_requested = 1;
1847 qemu_notify_event();
1848 }
1849
1850 void qemu_register_powerdown_notifier(Notifier *notifier)
1851 {
1852 notifier_list_add(&powerdown_notifiers, notifier);
1853 }
1854
1855 void qemu_system_debug_request(void)
1856 {
1857 debug_requested = 1;
1858 qemu_notify_event();
1859 }
1860
1861 static bool main_loop_should_exit(void)
1862 {
1863 RunState r;
1864 if (qemu_debug_requested()) {
1865 vm_stop(RUN_STATE_DEBUG);
1866 }
1867 if (qemu_suspend_requested()) {
1868 qemu_system_suspend();
1869 }
1870 if (qemu_shutdown_requested()) {
1871 qemu_kill_report();
1872 qapi_event_send_shutdown(&error_abort);
1873 if (no_shutdown) {
1874 vm_stop(RUN_STATE_SHUTDOWN);
1875 } else {
1876 return true;
1877 }
1878 }
1879 if (qemu_reset_requested()) {
1880 pause_all_vcpus();
1881 cpu_synchronize_all_states();
1882 qemu_system_reset(VMRESET_REPORT);
1883 resume_all_vcpus();
1884 if (runstate_needs_reset()) {
1885 runstate_set(RUN_STATE_PAUSED);
1886 }
1887 }
1888 if (qemu_wakeup_requested()) {
1889 pause_all_vcpus();
1890 cpu_synchronize_all_states();
1891 qemu_system_reset(VMRESET_SILENT);
1892 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1893 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1894 resume_all_vcpus();
1895 qapi_event_send_wakeup(&error_abort);
1896 }
1897 if (qemu_powerdown_requested()) {
1898 qemu_system_powerdown();
1899 }
1900 if (qemu_vmstop_requested(&r)) {
1901 vm_stop(r);
1902 }
1903 return false;
1904 }
1905
1906 static void main_loop(void)
1907 {
1908 bool nonblocking;
1909 int last_io = 0;
1910 #ifdef CONFIG_PROFILER
1911 int64_t ti;
1912 #endif
1913 do {
1914 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1915 #ifdef CONFIG_PROFILER
1916 ti = profile_getclock();
1917 #endif
1918 last_io = main_loop_wait(nonblocking);
1919 #ifdef CONFIG_PROFILER
1920 dev_time += profile_getclock() - ti;
1921 #endif
1922 } while (!main_loop_should_exit());
1923 }
1924
1925 static void version(void)
1926 {
1927 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1928 }
1929
1930 static void help(int exitcode)
1931 {
1932 version();
1933 printf("usage: %s [options] [disk_image]\n\n"
1934 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1935 error_get_progname());
1936
1937 #define QEMU_OPTIONS_GENERATE_HELP
1938 #include "qemu-options-wrapper.h"
1939
1940 printf("\nDuring emulation, the following keys are useful:\n"
1941 "ctrl-alt-f toggle full screen\n"
1942 "ctrl-alt-n switch to virtual console 'n'\n"
1943 "ctrl-alt toggle mouse and keyboard grab\n"
1944 "\n"
1945 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1946
1947 exit(exitcode);
1948 }
1949
1950 #define HAS_ARG 0x0001
1951
1952 typedef struct QEMUOption {
1953 const char *name;
1954 int flags;
1955 int index;
1956 uint32_t arch_mask;
1957 } QEMUOption;
1958
1959 static const QEMUOption qemu_options[] = {
1960 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1961 #define QEMU_OPTIONS_GENERATE_OPTIONS
1962 #include "qemu-options-wrapper.h"
1963 { NULL },
1964 };
1965
1966 static bool vga_available(void)
1967 {
1968 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1969 }
1970
1971 static bool cirrus_vga_available(void)
1972 {
1973 return object_class_by_name("cirrus-vga")
1974 || object_class_by_name("isa-cirrus-vga");
1975 }
1976
1977 static bool vmware_vga_available(void)
1978 {
1979 return object_class_by_name("vmware-svga");
1980 }
1981
1982 static bool qxl_vga_available(void)
1983 {
1984 return object_class_by_name("qxl-vga");
1985 }
1986
1987 static bool tcx_vga_available(void)
1988 {
1989 return object_class_by_name("SUNW,tcx");
1990 }
1991
1992 static bool cg3_vga_available(void)
1993 {
1994 return object_class_by_name("cgthree");
1995 }
1996
1997 static bool virtio_vga_available(void)
1998 {
1999 return object_class_by_name("virtio-vga");
2000 }
2001
2002 static void select_vgahw (const char *p)
2003 {
2004 const char *opts;
2005
2006 assert(vga_interface_type == VGA_NONE);
2007 if (strstart(p, "std", &opts)) {
2008 if (vga_available()) {
2009 vga_interface_type = VGA_STD;
2010 } else {
2011 error_report("standard VGA not available");
2012 exit(0);
2013 }
2014 } else if (strstart(p, "cirrus", &opts)) {
2015 if (cirrus_vga_available()) {
2016 vga_interface_type = VGA_CIRRUS;
2017 } else {
2018 error_report("Cirrus VGA not available");
2019 exit(0);
2020 }
2021 } else if (strstart(p, "vmware", &opts)) {
2022 if (vmware_vga_available()) {
2023 vga_interface_type = VGA_VMWARE;
2024 } else {
2025 error_report("VMWare SVGA not available");
2026 exit(0);
2027 }
2028 } else if (strstart(p, "virtio", &opts)) {
2029 if (virtio_vga_available()) {
2030 vga_interface_type = VGA_VIRTIO;
2031 } else {
2032 error_report("Virtio VGA not available");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "xenfb", &opts)) {
2036 vga_interface_type = VGA_XENFB;
2037 } else if (strstart(p, "qxl", &opts)) {
2038 if (qxl_vga_available()) {
2039 vga_interface_type = VGA_QXL;
2040 } else {
2041 error_report("QXL VGA not available");
2042 exit(0);
2043 }
2044 } else if (strstart(p, "tcx", &opts)) {
2045 if (tcx_vga_available()) {
2046 vga_interface_type = VGA_TCX;
2047 } else {
2048 error_report("TCX framebuffer not available");
2049 exit(0);
2050 }
2051 } else if (strstart(p, "cg3", &opts)) {
2052 if (cg3_vga_available()) {
2053 vga_interface_type = VGA_CG3;
2054 } else {
2055 error_report("CG3 framebuffer not available");
2056 exit(0);
2057 }
2058 } else if (!strstart(p, "none", &opts)) {
2059 invalid_vga:
2060 error_report("unknown vga type: %s", p);
2061 exit(1);
2062 }
2063 while (*opts) {
2064 const char *nextopt;
2065
2066 if (strstart(opts, ",retrace=", &nextopt)) {
2067 opts = nextopt;
2068 if (strstart(opts, "dumb", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_DUMB;
2070 else if (strstart(opts, "precise", &nextopt))
2071 vga_retrace_method = VGA_RETRACE_PRECISE;
2072 else goto invalid_vga;
2073 } else goto invalid_vga;
2074 opts = nextopt;
2075 }
2076 }
2077
2078 static DisplayType select_display(const char *p)
2079 {
2080 const char *opts;
2081 DisplayType display = DT_DEFAULT;
2082
2083 if (strstart(p, "sdl", &opts)) {
2084 #ifdef CONFIG_SDL
2085 display = DT_SDL;
2086 while (*opts) {
2087 const char *nextopt;
2088
2089 if (strstart(opts, ",frame=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "on", &nextopt)) {
2092 no_frame = 0;
2093 } else if (strstart(opts, "off", &nextopt)) {
2094 no_frame = 1;
2095 } else {
2096 goto invalid_sdl_args;
2097 }
2098 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "on", &nextopt)) {
2101 alt_grab = 1;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 alt_grab = 0;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2108 opts = nextopt;
2109 if (strstart(opts, "on", &nextopt)) {
2110 ctrl_grab = 1;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 ctrl_grab = 0;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",window_close=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 no_quit = 0;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 no_quit = 1;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else if (strstart(opts, ",gl=", &nextopt)) {
2126 opts = nextopt;
2127 if (strstart(opts, "on", &nextopt)) {
2128 request_opengl = 1;
2129 } else if (strstart(opts, "off", &nextopt)) {
2130 request_opengl = 0;
2131 } else {
2132 goto invalid_sdl_args;
2133 }
2134 } else {
2135 invalid_sdl_args:
2136 error_report("invalid SDL option string");
2137 exit(1);
2138 }
2139 opts = nextopt;
2140 }
2141 #else
2142 error_report("SDL support is disabled");
2143 exit(1);
2144 #endif
2145 } else if (strstart(p, "vnc", &opts)) {
2146 #ifdef CONFIG_VNC
2147 if (*opts == '=') {
2148 Error *err = NULL;
2149 if (vnc_parse(opts + 1, &err) == NULL) {
2150 error_report_err(err);
2151 exit(1);
2152 }
2153 } else {
2154 error_report("VNC requires a display argument vnc=<display>");
2155 exit(1);
2156 }
2157 #else
2158 error_report("VNC support is disabled");
2159 exit(1);
2160 #endif
2161 } else if (strstart(p, "curses", &opts)) {
2162 #ifdef CONFIG_CURSES
2163 display = DT_CURSES;
2164 #else
2165 error_report("curses support is disabled");
2166 exit(1);
2167 #endif
2168 } else if (strstart(p, "gtk", &opts)) {
2169 #ifdef CONFIG_GTK
2170 display = DT_GTK;
2171 while (*opts) {
2172 const char *nextopt;
2173
2174 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2175 opts = nextopt;
2176 if (strstart(opts, "on", &nextopt)) {
2177 grab_on_hover = true;
2178 } else if (strstart(opts, "off", &nextopt)) {
2179 grab_on_hover = false;
2180 } else {
2181 goto invalid_gtk_args;
2182 }
2183 } else if (strstart(opts, ",gl=", &nextopt)) {
2184 opts = nextopt;
2185 if (strstart(opts, "on", &nextopt)) {
2186 request_opengl = 1;
2187 } else if (strstart(opts, "off", &nextopt)) {
2188 request_opengl = 0;
2189 } else {
2190 goto invalid_gtk_args;
2191 }
2192 } else {
2193 invalid_gtk_args:
2194 error_report("invalid GTK option string");
2195 exit(1);
2196 }
2197 opts = nextopt;
2198 }
2199 #else
2200 error_report("GTK support is disabled");
2201 exit(1);
2202 #endif
2203 } else if (strstart(p, "none", &opts)) {
2204 display = DT_NONE;
2205 } else {
2206 error_report("unknown display type");
2207 exit(1);
2208 }
2209
2210 return display;
2211 }
2212
2213 static int balloon_parse(const char *arg)
2214 {
2215 QemuOpts *opts;
2216
2217 if (strcmp(arg, "none") == 0) {
2218 return 0;
2219 }
2220
2221 if (!strncmp(arg, "virtio", 6)) {
2222 if (arg[6] == ',') {
2223 /* have params -> parse them */
2224 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2225 false);
2226 if (!opts)
2227 return -1;
2228 } else {
2229 /* create empty opts */
2230 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2231 &error_abort);
2232 }
2233 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2234 return 0;
2235 }
2236
2237 return -1;
2238 }
2239
2240 char *qemu_find_file(int type, const char *name)
2241 {
2242 int i;
2243 const char *subdir;
2244 char *buf;
2245
2246 /* Try the name as a straight path first */
2247 if (access(name, R_OK) == 0) {
2248 trace_load_file(name, name);
2249 return g_strdup(name);
2250 }
2251
2252 switch (type) {
2253 case QEMU_FILE_TYPE_BIOS:
2254 subdir = "";
2255 break;
2256 case QEMU_FILE_TYPE_KEYMAP:
2257 subdir = "keymaps/";
2258 break;
2259 default:
2260 abort();
2261 }
2262
2263 for (i = 0; i < data_dir_idx; i++) {
2264 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2265 if (access(buf, R_OK) == 0) {
2266 trace_load_file(name, buf);
2267 return buf;
2268 }
2269 g_free(buf);
2270 }
2271 return NULL;
2272 }
2273
2274 static inline bool nonempty_str(const char *str)
2275 {
2276 return str && *str;
2277 }
2278
2279 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2280 {
2281 gchar *buf;
2282 size_t size;
2283 const char *name, *file, *str;
2284
2285 if (opaque == NULL) {
2286 error_report("fw_cfg device not available");
2287 return -1;
2288 }
2289 name = qemu_opt_get(opts, "name");
2290 file = qemu_opt_get(opts, "file");
2291 str = qemu_opt_get(opts, "string");
2292
2293 /* we need name and either a file or the content string */
2294 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2295 error_report("invalid argument(s)");
2296 return -1;
2297 }
2298 if (nonempty_str(file) && nonempty_str(str)) {
2299 error_report("file and string are mutually exclusive");
2300 return -1;
2301 }
2302 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2303 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2304 return -1;
2305 }
2306 if (strncmp(name, "opt/", 4) != 0) {
2307 error_report("warning: externally provided fw_cfg item names "
2308 "should be prefixed with \"opt/\"");
2309 }
2310 if (nonempty_str(str)) {
2311 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2312 buf = g_memdup(str, size);
2313 } else {
2314 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2315 error_report("can't load %s", file);
2316 return -1;
2317 }
2318 }
2319 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2320 return 0;
2321 }
2322
2323 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 return qdev_device_help(opts);
2326 }
2327
2328 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 Error *err = NULL;
2331 DeviceState *dev;
2332
2333 dev = qdev_device_add(opts, &err);
2334 if (!dev) {
2335 error_report_err(err);
2336 return -1;
2337 }
2338 object_unref(OBJECT(dev));
2339 return 0;
2340 }
2341
2342 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2343 {
2344 Error *local_err = NULL;
2345
2346 qemu_chr_new_from_opts(opts, NULL, &local_err);
2347 if (local_err) {
2348 error_report_err(local_err);
2349 return -1;
2350 }
2351 return 0;
2352 }
2353
2354 #ifdef CONFIG_VIRTFS
2355 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2356 {
2357 int ret;
2358 ret = qemu_fsdev_add(opts);
2359
2360 return ret;
2361 }
2362 #endif
2363
2364 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365 {
2366 CharDriverState *chr;
2367 const char *chardev;
2368 const char *mode;
2369 int flags;
2370
2371 mode = qemu_opt_get(opts, "mode");
2372 if (mode == NULL) {
2373 mode = "readline";
2374 }
2375 if (strcmp(mode, "readline") == 0) {
2376 flags = MONITOR_USE_READLINE;
2377 } else if (strcmp(mode, "control") == 0) {
2378 flags = MONITOR_USE_CONTROL;
2379 } else {
2380 error_report("unknown monitor mode \"%s\"", mode);
2381 exit(1);
2382 }
2383
2384 if (qemu_opt_get_bool(opts, "pretty", 0))
2385 flags |= MONITOR_USE_PRETTY;
2386
2387 if (qemu_opt_get_bool(opts, "default", 0))
2388 flags |= MONITOR_IS_DEFAULT;
2389
2390 chardev = qemu_opt_get(opts, "chardev");
2391 chr = qemu_chr_find(chardev);
2392 if (chr == NULL) {
2393 error_report("chardev \"%s\" not found", chardev);
2394 exit(1);
2395 }
2396
2397 qemu_chr_fe_claim_no_fail(chr);
2398 monitor_init(chr, flags);
2399 return 0;
2400 }
2401
2402 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2403 {
2404 static int monitor_device_index = 0;
2405 Error *local_err = NULL;
2406 QemuOpts *opts;
2407 const char *p;
2408 char label[32];
2409 int def = 0;
2410
2411 if (strstart(optarg, "chardev:", &p)) {
2412 snprintf(label, sizeof(label), "%s", p);
2413 } else {
2414 snprintf(label, sizeof(label), "compat_monitor%d",
2415 monitor_device_index);
2416 if (monitor_device_index == 0) {
2417 def = 1;
2418 }
2419 opts = qemu_chr_parse_compat(label, optarg);
2420 if (!opts) {
2421 error_report("parse error: %s", optarg);
2422 exit(1);
2423 }
2424 }
2425
2426 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2427 if (!opts) {
2428 error_report_err(local_err);
2429 exit(1);
2430 }
2431 qemu_opt_set(opts, "mode", mode, &error_abort);
2432 qemu_opt_set(opts, "chardev", label, &error_abort);
2433 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2434 if (def)
2435 qemu_opt_set(opts, "default", "on", &error_abort);
2436 monitor_device_index++;
2437 }
2438
2439 struct device_config {
2440 enum {
2441 DEV_USB, /* -usbdevice */
2442 DEV_BT, /* -bt */
2443 DEV_SERIAL, /* -serial */
2444 DEV_PARALLEL, /* -parallel */
2445 DEV_VIRTCON, /* -virtioconsole */
2446 DEV_DEBUGCON, /* -debugcon */
2447 DEV_GDB, /* -gdb, -s */
2448 DEV_SCLP, /* s390 sclp */
2449 } type;
2450 const char *cmdline;
2451 Location loc;
2452 QTAILQ_ENTRY(device_config) next;
2453 };
2454
2455 static QTAILQ_HEAD(, device_config) device_configs =
2456 QTAILQ_HEAD_INITIALIZER(device_configs);
2457
2458 static void add_device_config(int type, const char *cmdline)
2459 {
2460 struct device_config *conf;
2461
2462 conf = g_malloc0(sizeof(*conf));
2463 conf->type = type;
2464 conf->cmdline = cmdline;
2465 loc_save(&conf->loc);
2466 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2467 }
2468
2469 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2470 {
2471 struct device_config *conf;
2472 int rc;
2473
2474 QTAILQ_FOREACH(conf, &device_configs, next) {
2475 if (conf->type != type)
2476 continue;
2477 loc_push_restore(&conf->loc);
2478 rc = func(conf->cmdline);
2479 loc_pop(&conf->loc);
2480 if (rc) {
2481 return rc;
2482 }
2483 }
2484 return 0;
2485 }
2486
2487 static int serial_parse(const char *devname)
2488 {
2489 static int index = 0;
2490 char label[32];
2491
2492 if (strcmp(devname, "none") == 0)
2493 return 0;
2494 if (index == MAX_SERIAL_PORTS) {
2495 error_report("too many serial ports");
2496 exit(1);
2497 }
2498 snprintf(label, sizeof(label), "serial%d", index);
2499 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2500 if (!serial_hds[index]) {
2501 error_report("could not connect serial device"
2502 " to character backend '%s'", devname);
2503 return -1;
2504 }
2505 index++;
2506 return 0;
2507 }
2508
2509 static int parallel_parse(const char *devname)
2510 {
2511 static int index = 0;
2512 char label[32];
2513
2514 if (strcmp(devname, "none") == 0)
2515 return 0;
2516 if (index == MAX_PARALLEL_PORTS) {
2517 error_report("too many parallel ports");
2518 exit(1);
2519 }
2520 snprintf(label, sizeof(label), "parallel%d", index);
2521 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2522 if (!parallel_hds[index]) {
2523 error_report("could not connect parallel device"
2524 " to character backend '%s'", devname);
2525 return -1;
2526 }
2527 index++;
2528 return 0;
2529 }
2530
2531 static int virtcon_parse(const char *devname)
2532 {
2533 QemuOptsList *device = qemu_find_opts("device");
2534 static int index = 0;
2535 char label[32];
2536 QemuOpts *bus_opts, *dev_opts;
2537
2538 if (strcmp(devname, "none") == 0)
2539 return 0;
2540 if (index == MAX_VIRTIO_CONSOLES) {
2541 error_report("too many virtio consoles");
2542 exit(1);
2543 }
2544
2545 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2546 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2547
2548 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2549 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2550
2551 snprintf(label, sizeof(label), "virtcon%d", index);
2552 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2553 if (!virtcon_hds[index]) {
2554 error_report("could not connect virtio console"
2555 " to character backend '%s'", devname);
2556 return -1;
2557 }
2558 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2559
2560 index++;
2561 return 0;
2562 }
2563
2564 static int sclp_parse(const char *devname)
2565 {
2566 QemuOptsList *device = qemu_find_opts("device");
2567 static int index = 0;
2568 char label[32];
2569 QemuOpts *dev_opts;
2570
2571 if (strcmp(devname, "none") == 0) {
2572 return 0;
2573 }
2574 if (index == MAX_SCLP_CONSOLES) {
2575 error_report("too many sclp consoles");
2576 exit(1);
2577 }
2578
2579 assert(arch_type == QEMU_ARCH_S390X);
2580
2581 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2582 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2583
2584 snprintf(label, sizeof(label), "sclpcon%d", index);
2585 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2586 if (!sclp_hds[index]) {
2587 error_report("could not connect sclp console"
2588 " to character backend '%s'", devname);
2589 return -1;
2590 }
2591 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2592
2593 index++;
2594 return 0;
2595 }
2596
2597 static int debugcon_parse(const char *devname)
2598 {
2599 QemuOpts *opts;
2600
2601 if (!qemu_chr_new("debugcon", devname, NULL)) {
2602 exit(1);
2603 }
2604 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2605 if (!opts) {
2606 error_report("already have a debugcon device");
2607 exit(1);
2608 }
2609 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2610 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2611 return 0;
2612 }
2613
2614 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2615 {
2616 const MachineClass *mc1 = a, *mc2 = b;
2617 int res;
2618
2619 if (mc1->family == NULL) {
2620 if (mc2->family == NULL) {
2621 /* Compare standalone machine types against each other; they sort
2622 * in increasing order.
2623 */
2624 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2625 object_class_get_name(OBJECT_CLASS(mc2)));
2626 }
2627
2628 /* Standalone machine types sort after families. */
2629 return 1;
2630 }
2631
2632 if (mc2->family == NULL) {
2633 /* Families sort before standalone machine types. */
2634 return -1;
2635 }
2636
2637 /* Families sort between each other alphabetically increasingly. */
2638 res = strcmp(mc1->family, mc2->family);
2639 if (res != 0) {
2640 return res;
2641 }
2642
2643 /* Within the same family, machine types sort in decreasing order. */
2644 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2645 object_class_get_name(OBJECT_CLASS(mc1)));
2646 }
2647
2648 static MachineClass *machine_parse(const char *name)
2649 {
2650 MachineClass *mc = NULL;
2651 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2652
2653 if (name) {
2654 mc = find_machine(name);
2655 }
2656 if (mc) {
2657 g_slist_free(machines);
2658 return mc;
2659 }
2660 if (name && !is_help_option(name)) {
2661 error_report("unsupported machine type");
2662 error_printf("Use -machine help to list supported machines\n");
2663 } else {
2664 printf("Supported machines are:\n");
2665 machines = g_slist_sort(machines, machine_class_cmp);
2666 for (el = machines; el; el = el->next) {
2667 MachineClass *mc = el->data;
2668 if (mc->alias) {
2669 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2670 }
2671 printf("%-20s %s%s\n", mc->name, mc->desc,
2672 mc->is_default ? " (default)" : "");
2673 }
2674 }
2675
2676 g_slist_free(machines);
2677 exit(!name || !is_help_option(name));
2678 }
2679
2680 void qemu_add_exit_notifier(Notifier *notify)
2681 {
2682 notifier_list_add(&exit_notifiers, notify);
2683 }
2684
2685 void qemu_remove_exit_notifier(Notifier *notify)
2686 {
2687 notifier_remove(notify);
2688 }
2689
2690 static void qemu_run_exit_notifiers(void)
2691 {
2692 notifier_list_notify(&exit_notifiers, NULL);
2693 }
2694
2695 static bool machine_init_done;
2696
2697 void qemu_add_machine_init_done_notifier(Notifier *notify)
2698 {
2699 notifier_list_add(&machine_init_done_notifiers, notify);
2700 if (machine_init_done) {
2701 notify->notify(notify, NULL);
2702 }
2703 }
2704
2705 static void qemu_run_machine_init_done_notifiers(void)
2706 {
2707 notifier_list_notify(&machine_init_done_notifiers, NULL);
2708 machine_init_done = true;
2709 }
2710
2711 static const QEMUOption *lookup_opt(int argc, char **argv,
2712 const char **poptarg, int *poptind)
2713 {
2714 const QEMUOption *popt;
2715 int optind = *poptind;
2716 char *r = argv[optind];
2717 const char *optarg;
2718
2719 loc_set_cmdline(argv, optind, 1);
2720 optind++;
2721 /* Treat --foo the same as -foo. */
2722 if (r[1] == '-')
2723 r++;
2724 popt = qemu_options;
2725 for(;;) {
2726 if (!popt->name) {
2727 error_report("invalid option");
2728 exit(1);
2729 }
2730 if (!strcmp(popt->name, r + 1))
2731 break;
2732 popt++;
2733 }
2734 if (popt->flags & HAS_ARG) {
2735 if (optind >= argc) {
2736 error_report("requires an argument");
2737 exit(1);
2738 }
2739 optarg = argv[optind++];
2740 loc_set_cmdline(argv, optind - 2, 2);
2741 } else {
2742 optarg = NULL;
2743 }
2744
2745 *poptarg = optarg;
2746 *poptind = optind;
2747
2748 return popt;
2749 }
2750
2751 static int machine_set_property(void *opaque,
2752 const char *name, const char *value,
2753 Error **errp)
2754 {
2755 Object *obj = OBJECT(opaque);
2756 Error *local_err = NULL;
2757 char *c, *qom_name;
2758
2759 if (strcmp(name, "type") == 0) {
2760 return 0;
2761 }
2762
2763 qom_name = g_strdup(name);
2764 c = qom_name;
2765 while (*c++) {
2766 if (*c == '_') {
2767 *c = '-';
2768 }
2769 }
2770
2771 object_property_parse(obj, value, qom_name, &local_err);
2772 g_free(qom_name);
2773
2774 if (local_err) {
2775 error_report_err(local_err);
2776 return -1;
2777 }
2778
2779 return 0;
2780 }
2781
2782
2783 /*
2784 * Initial object creation happens before all other
2785 * QEMU data types are created. The majority of objects
2786 * can be created at this point. The rng-egd object
2787 * cannot be created here, as it depends on the chardev
2788 * already existing.
2789 */
2790 static bool object_create_initial(const char *type)
2791 {
2792 if (g_str_equal(type, "rng-egd")) {
2793 return false;
2794 }
2795
2796 /*
2797 * return false for concrete netfilters since
2798 * they depend on netdevs already existing
2799 */
2800 if (g_str_equal(type, "filter-buffer") ||
2801 g_str_equal(type, "filter-dump")) {
2802 return false;
2803 }
2804
2805 return true;
2806 }
2807
2808
2809 /*
2810 * The remainder of object creation happens after the
2811 * creation of chardev, fsdev, net clients and device data types.
2812 */
2813 static bool object_create_delayed(const char *type)
2814 {
2815 return !object_create_initial(type);
2816 }
2817
2818
2819 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2820 {
2821 Error *err = NULL;
2822 char *type = NULL;
2823 char *id = NULL;
2824 OptsVisitor *ov;
2825 QDict *pdict;
2826 bool (*type_predicate)(const char *) = opaque;
2827
2828 ov = opts_visitor_new(opts);
2829 pdict = qemu_opts_to_qdict(opts, NULL);
2830
2831 visit_start_struct(opts_get_visitor(ov), NULL, NULL, NULL, 0, &err);
2832 if (err) {
2833 goto out;
2834 }
2835
2836 qdict_del(pdict, "qom-type");
2837 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2838 if (err) {
2839 goto out;
2840 }
2841 if (!type_predicate(type)) {
2842 goto out;
2843 }
2844
2845 qdict_del(pdict, "id");
2846 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2847 if (err) {
2848 goto out;
2849 }
2850
2851 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2852 if (err) {
2853 goto out;
2854 }
2855 visit_end_struct(opts_get_visitor(ov), &err);
2856 if (err) {
2857 qmp_object_del(id, NULL);
2858 }
2859
2860 out:
2861 opts_visitor_cleanup(ov);
2862
2863 QDECREF(pdict);
2864 g_free(id);
2865 g_free(type);
2866 if (err) {
2867 error_report_err(err);
2868 return -1;
2869 }
2870 return 0;
2871 }
2872
2873 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2874 MachineClass *mc)
2875 {
2876 uint64_t sz;
2877 const char *mem_str;
2878 const char *maxmem_str, *slots_str;
2879 const ram_addr_t default_ram_size = mc->default_ram_size;
2880 QemuOpts *opts = qemu_find_opts_singleton("memory");
2881
2882 sz = 0;
2883 mem_str = qemu_opt_get(opts, "size");
2884 if (mem_str) {
2885 if (!*mem_str) {
2886 error_report("missing 'size' option value");
2887 exit(EXIT_FAILURE);
2888 }
2889
2890 sz = qemu_opt_get_size(opts, "size", ram_size);
2891
2892 /* Fix up legacy suffix-less format */
2893 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2894 uint64_t overflow_check = sz;
2895
2896 sz <<= 20;
2897 if ((sz >> 20) != overflow_check) {
2898 error_report("too large 'size' option value");
2899 exit(EXIT_FAILURE);
2900 }
2901 }
2902 }
2903
2904 /* backward compatibility behaviour for case "-m 0" */
2905 if (sz == 0) {
2906 sz = default_ram_size;
2907 }
2908
2909 sz = QEMU_ALIGN_UP(sz, 8192);
2910 ram_size = sz;
2911 if (ram_size != sz) {
2912 error_report("ram size too large");
2913 exit(EXIT_FAILURE);
2914 }
2915
2916 /* store value for the future use */
2917 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2918 *maxram_size = ram_size;
2919
2920 maxmem_str = qemu_opt_get(opts, "maxmem");
2921 slots_str = qemu_opt_get(opts, "slots");
2922 if (maxmem_str && slots_str) {
2923 uint64_t slots;
2924
2925 sz = qemu_opt_get_size(opts, "maxmem", 0);
2926 slots = qemu_opt_get_number(opts, "slots", 0);
2927 if (sz < ram_size) {
2928 error_report("invalid value of -m option maxmem: "
2929 "maximum memory size (0x%" PRIx64 ") must be at least "
2930 "the initial memory size (0x" RAM_ADDR_FMT ")",
2931 sz, ram_size);
2932 exit(EXIT_FAILURE);
2933 } else if (sz > ram_size) {
2934 if (!slots) {
2935 error_report("invalid value of -m option: maxmem was "
2936 "specified, but no hotplug slots were specified");
2937 exit(EXIT_FAILURE);
2938 }
2939 } else if (slots) {
2940 error_report("invalid value of -m option maxmem: "
2941 "memory slots were specified but maximum memory size "
2942 "(0x%" PRIx64 ") is equal to the initial memory size "
2943 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2944 exit(EXIT_FAILURE);
2945 }
2946
2947 *maxram_size = sz;
2948 *ram_slots = slots;
2949 } else if ((!maxmem_str && slots_str) ||
2950 (maxmem_str && !slots_str)) {
2951 error_report("invalid -m option value: missing "
2952 "'%s' option", slots_str ? "maxmem" : "slots");
2953 exit(EXIT_FAILURE);
2954 }
2955 }
2956
2957 int main(int argc, char **argv, char **envp)
2958 {
2959 int i;
2960 int snapshot, linux_boot;
2961 const char *initrd_filename;
2962 const char *kernel_filename, *kernel_cmdline;
2963 const char *boot_order = NULL;
2964 const char *boot_once = NULL;
2965 DisplayState *ds;
2966 int cyls, heads, secs, translation;
2967 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2968 QemuOptsList *olist;
2969 int optind;
2970 const char *optarg;
2971 const char *loadvm = NULL;
2972 MachineClass *machine_class;
2973 const char *cpu_model;
2974 const char *vga_model = NULL;
2975 const char *qtest_chrdev = NULL;
2976 const char *qtest_log = NULL;
2977 const char *pid_file = NULL;
2978 const char *incoming = NULL;
2979 #ifdef CONFIG_VNC
2980 int show_vnc_port = 0;
2981 #endif
2982 bool defconfig = true;
2983 bool userconfig = true;
2984 const char *log_mask = NULL;
2985 const char *log_file = NULL;
2986 char *trace_file = NULL;
2987 ram_addr_t maxram_size;
2988 uint64_t ram_slots = 0;
2989 FILE *vmstate_dump_file = NULL;
2990 Error *main_loop_err = NULL;
2991 Error *err = NULL;
2992
2993 qemu_init_cpu_loop();
2994 qemu_mutex_lock_iothread();
2995
2996 atexit(qemu_run_exit_notifiers);
2997 error_set_progname(argv[0]);
2998 qemu_init_exec_dir(argv[0]);
2999
3000 module_call_init(MODULE_INIT_QOM);
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_opts(&qemu_chardev_opts);
3007 qemu_add_opts(&qemu_device_opts);
3008 qemu_add_opts(&qemu_netdev_opts);
3009 qemu_add_opts(&qemu_net_opts);
3010 qemu_add_opts(&qemu_rtc_opts);
3011 qemu_add_opts(&qemu_global_opts);
3012 qemu_add_opts(&qemu_mon_opts);
3013 qemu_add_opts(&qemu_trace_opts);
3014 qemu_add_opts(&qemu_option_rom_opts);
3015 qemu_add_opts(&qemu_machine_opts);
3016 qemu_add_opts(&qemu_mem_opts);
3017 qemu_add_opts(&qemu_smp_opts);
3018 qemu_add_opts(&qemu_boot_opts);
3019 qemu_add_opts(&qemu_sandbox_opts);
3020 qemu_add_opts(&qemu_add_fd_opts);
3021 qemu_add_opts(&qemu_object_opts);
3022 qemu_add_opts(&qemu_tpmdev_opts);
3023 qemu_add_opts(&qemu_realtime_opts);
3024 qemu_add_opts(&qemu_msg_opts);
3025 qemu_add_opts(&qemu_name_opts);
3026 qemu_add_opts(&qemu_numa_opts);
3027 qemu_add_opts(&qemu_icount_opts);
3028 qemu_add_opts(&qemu_semihosting_config_opts);
3029 qemu_add_opts(&qemu_fw_cfg_opts);
3030
3031 runstate_init();
3032
3033 if (qcrypto_init(&err) < 0) {
3034 error_reportf_err(err, "cannot initialize crypto: ");
3035 exit(1);
3036 }
3037 rtc_clock = QEMU_CLOCK_HOST;
3038
3039 QLIST_INIT (&vm_change_state_head);
3040 os_setup_early_signal_handling();
3041
3042 module_call_init(MODULE_INIT_MACHINE);
3043 machine_class = find_default_machine();
3044 cpu_model = NULL;
3045 snapshot = 0;
3046 cyls = heads = secs = 0;
3047 translation = BIOS_ATA_TRANSLATION_AUTO;
3048
3049 nb_nics = 0;
3050
3051 bdrv_init_with_whitelist();
3052
3053 autostart = 1;
3054
3055 /* first pass of option parsing */
3056 optind = 1;
3057 while (optind < argc) {
3058 if (argv[optind][0] != '-') {
3059 /* disk image */
3060 optind++;
3061 } else {
3062 const QEMUOption *popt;
3063
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 switch (popt->index) {
3066 case QEMU_OPTION_nodefconfig:
3067 defconfig = false;
3068 break;
3069 case QEMU_OPTION_nouserconfig:
3070 userconfig = false;
3071 break;
3072 }
3073 }
3074 }
3075
3076 if (defconfig) {
3077 int ret;
3078 ret = qemu_read_default_config_files(userconfig);
3079 if (ret < 0) {
3080 exit(1);
3081 }
3082 }
3083
3084 /* second pass of option parsing */
3085 optind = 1;
3086 for(;;) {
3087 if (optind >= argc)
3088 break;
3089 if (argv[optind][0] != '-') {
3090 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3091 } else {
3092 const QEMUOption *popt;
3093
3094 popt = lookup_opt(argc, argv, &optarg, &optind);
3095 if (!(popt->arch_mask & arch_type)) {
3096 printf("Option %s not supported for this target\n", popt->name);
3097 exit(1);
3098 }
3099 switch(popt->index) {
3100 case QEMU_OPTION_no_kvm_irqchip: {
3101 olist = qemu_find_opts("machine");
3102 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3103 break;
3104 }
3105 case QEMU_OPTION_cpu:
3106 /* hw initialization will check this */
3107 cpu_model = optarg;
3108 break;
3109 case QEMU_OPTION_hda:
3110 {
3111 char buf[256];
3112 if (cyls == 0)
3113 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3114 else
3115 snprintf(buf, sizeof(buf),
3116 "%s,cyls=%d,heads=%d,secs=%d%s",
3117 HD_OPTS , cyls, heads, secs,
3118 translation == BIOS_ATA_TRANSLATION_LBA ?
3119 ",trans=lba" :
3120 translation == BIOS_ATA_TRANSLATION_NONE ?
3121 ",trans=none" : "");
3122 drive_add(IF_DEFAULT, 0, optarg, buf);
3123 break;
3124 }
3125 case QEMU_OPTION_hdb:
3126 case QEMU_OPTION_hdc:
3127 case QEMU_OPTION_hdd:
3128 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3129 HD_OPTS);
3130 break;
3131 case QEMU_OPTION_drive:
3132 if (drive_def(optarg) == NULL) {
3133 exit(1);
3134 }
3135 break;
3136 case QEMU_OPTION_set:
3137 if (qemu_set_option(optarg) != 0)
3138 exit(1);
3139 break;
3140 case QEMU_OPTION_global:
3141 if (qemu_global_option(optarg) != 0)
3142 exit(1);
3143 break;
3144 case QEMU_OPTION_mtdblock:
3145 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3146 break;
3147 case QEMU_OPTION_sd:
3148 drive_add(IF_SD, -1, optarg, SD_OPTS);
3149 break;
3150 case QEMU_OPTION_pflash:
3151 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3152 break;
3153 case QEMU_OPTION_snapshot:
3154 snapshot = 1;
3155 break;
3156 case QEMU_OPTION_hdachs:
3157 {
3158 const char *p;
3159 p = optarg;
3160 cyls = strtol(p, (char **)&p, 0);
3161 if (cyls < 1 || cyls > 16383)
3162 goto chs_fail;
3163 if (*p != ',')
3164 goto chs_fail;
3165 p++;
3166 heads = strtol(p, (char **)&p, 0);
3167 if (heads < 1 || heads > 16)
3168 goto chs_fail;
3169 if (*p != ',')
3170 goto chs_fail;
3171 p++;
3172 secs = strtol(p, (char **)&p, 0);
3173 if (secs < 1 || secs > 63)
3174 goto chs_fail;
3175 if (*p == ',') {
3176 p++;
3177 if (!strcmp(p, "large")) {
3178 translation = BIOS_ATA_TRANSLATION_LARGE;
3179 } else if (!strcmp(p, "rechs")) {
3180 translation = BIOS_ATA_TRANSLATION_RECHS;
3181 } else if (!strcmp(p, "none")) {
3182 translation = BIOS_ATA_TRANSLATION_NONE;
3183 } else if (!strcmp(p, "lba")) {
3184 translation = BIOS_ATA_TRANSLATION_LBA;
3185 } else if (!strcmp(p, "auto")) {
3186 translation = BIOS_ATA_TRANSLATION_AUTO;
3187 } else {
3188 goto chs_fail;
3189 }
3190 } else if (*p != '\0') {
3191 chs_fail:
3192 error_report("invalid physical CHS format");
3193 exit(1);
3194 }
3195 if (hda_opts != NULL) {
3196 qemu_opt_set_number(hda_opts, "cyls", cyls,
3197 &error_abort);
3198 qemu_opt_set_number(hda_opts, "heads", heads,
3199 &error_abort);
3200 qemu_opt_set_number(hda_opts, "secs", secs,
3201 &error_abort);
3202 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3203 qemu_opt_set(hda_opts, "trans", "large",
3204 &error_abort);
3205 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3206 qemu_opt_set(hda_opts, "trans", "rechs",
3207 &error_abort);
3208 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3209 qemu_opt_set(hda_opts, "trans", "lba",
3210 &error_abort);
3211 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3212 qemu_opt_set(hda_opts, "trans", "none",
3213 &error_abort);
3214 }
3215 }
3216 }
3217 break;
3218 case QEMU_OPTION_numa:
3219 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3220 optarg, true);
3221 if (!opts) {
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_display:
3226 display_type = select_display(optarg);
3227 break;
3228 case QEMU_OPTION_nographic:
3229 display_type = DT_NOGRAPHIC;
3230 break;
3231 case QEMU_OPTION_curses:
3232 #ifdef CONFIG_CURSES
3233 display_type = DT_CURSES;
3234 #else
3235 error_report("curses support is disabled");
3236 exit(1);
3237 #endif
3238 break;
3239 case QEMU_OPTION_portrait:
3240 graphic_rotate = 90;
3241 break;
3242 case QEMU_OPTION_rotate:
3243 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3244 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3245 graphic_rotate != 180 && graphic_rotate != 270) {
3246 error_report("only 90, 180, 270 deg rotation is available");
3247 exit(1);
3248 }
3249 break;
3250 case QEMU_OPTION_kernel:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3252 &error_abort);
3253 break;
3254 case QEMU_OPTION_initrd:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_append:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3260 &error_abort);
3261 break;
3262 case QEMU_OPTION_dtb:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_cdrom:
3267 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3268 break;
3269 case QEMU_OPTION_boot:
3270 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3271 optarg, true);
3272 if (!opts) {
3273 exit(1);
3274 }
3275 break;
3276 case QEMU_OPTION_fda:
3277 case QEMU_OPTION_fdb:
3278 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3279 optarg, FD_OPTS);
3280 break;
3281 case QEMU_OPTION_no_fd_bootchk:
3282 fd_bootchk = 0;
3283 break;
3284 case QEMU_OPTION_netdev:
3285 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3286 exit(1);
3287 }
3288 break;
3289 case QEMU_OPTION_net:
3290 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3291 exit(1);
3292 }
3293 break;
3294 #ifdef CONFIG_LIBISCSI
3295 case QEMU_OPTION_iscsi:
3296 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3297 optarg, false);
3298 if (!opts) {
3299 exit(1);
3300 }
3301 break;
3302 #endif
3303 #ifdef CONFIG_SLIRP
3304 case QEMU_OPTION_tftp:
3305 error_report("The -tftp option is deprecated. "
3306 "Please use '-netdev user,tftp=...' instead.");
3307 legacy_tftp_prefix = optarg;
3308 break;
3309 case QEMU_OPTION_bootp:
3310 error_report("The -bootp option is deprecated. "
3311 "Please use '-netdev user,bootfile=...' instead.");
3312 legacy_bootp_filename = optarg;
3313 break;
3314 case QEMU_OPTION_redir:
3315 error_report("The -redir option is deprecated. "
3316 "Please use '-netdev user,hostfwd=...' instead.");
3317 if (net_slirp_redir(optarg) < 0)
3318 exit(1);
3319 break;
3320 #endif
3321 case QEMU_OPTION_bt:
3322 add_device_config(DEV_BT, optarg);
3323 break;
3324 case QEMU_OPTION_audio_help:
3325 AUD_help ();
3326 exit (0);
3327 break;
3328 case QEMU_OPTION_soundhw:
3329 select_soundhw (optarg);
3330 break;
3331 case QEMU_OPTION_h:
3332 help(0);
3333 break;
3334 case QEMU_OPTION_version:
3335 version();
3336 exit(0);
3337 break;
3338 case QEMU_OPTION_m:
3339 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3340 optarg, true);
3341 if (!opts) {
3342 exit(EXIT_FAILURE);
3343 }
3344 break;
3345 #ifdef CONFIG_TPM
3346 case QEMU_OPTION_tpmdev:
3347 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3348 exit(1);
3349 }
3350 break;
3351 #endif
3352 case QEMU_OPTION_mempath:
3353 mem_path = optarg;
3354 break;
3355 case QEMU_OPTION_mem_prealloc:
3356 mem_prealloc = 1;
3357 break;
3358 case QEMU_OPTION_d:
3359 log_mask = optarg;
3360 break;
3361 case QEMU_OPTION_D:
3362 log_file = optarg;
3363 break;
3364 case QEMU_OPTION_s:
3365 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3366 break;
3367 case QEMU_OPTION_gdb:
3368 add_device_config(DEV_GDB, optarg);
3369 break;
3370 case QEMU_OPTION_L:
3371 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3372 data_dir[data_dir_idx++] = optarg;
3373 }
3374 break;
3375 case QEMU_OPTION_bios:
3376 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3377 &error_abort);
3378 break;
3379 case QEMU_OPTION_singlestep:
3380 singlestep = 1;
3381 break;
3382 case QEMU_OPTION_S:
3383 autostart = 0;
3384 break;
3385 case QEMU_OPTION_k:
3386 keyboard_layout = optarg;
3387 break;
3388 case QEMU_OPTION_localtime:
3389 rtc_utc = 0;
3390 break;
3391 case QEMU_OPTION_vga:
3392 vga_model = optarg;
3393 default_vga = 0;
3394 break;
3395 case QEMU_OPTION_g:
3396 {
3397 const char *p;
3398 int w, h, depth;
3399 p = optarg;
3400 w = strtol(p, (char **)&p, 10);
3401 if (w <= 0) {
3402 graphic_error:
3403 error_report("invalid resolution or depth");
3404 exit(1);
3405 }
3406 if (*p != 'x')
3407 goto graphic_error;
3408 p++;
3409 h = strtol(p, (char **)&p, 10);
3410 if (h <= 0)
3411 goto graphic_error;
3412 if (*p == 'x') {
3413 p++;
3414 depth = strtol(p, (char **)&p, 10);
3415 if (depth != 8 && depth != 15 && depth != 16 &&
3416 depth != 24 && depth != 32)
3417 goto graphic_error;
3418 } else if (*p == '\0') {
3419 depth = graphic_depth;
3420 } else {
3421 goto graphic_error;
3422 }
3423
3424 graphic_width = w;
3425 graphic_height = h;
3426 graphic_depth = depth;
3427 }
3428 break;
3429 case QEMU_OPTION_echr:
3430 {
3431 char *r;
3432 term_escape_char = strtol(optarg, &r, 0);
3433 if (r == optarg)
3434 printf("Bad argument to echr\n");
3435 break;
3436 }
3437 case QEMU_OPTION_monitor:
3438 default_monitor = 0;
3439 if (strncmp(optarg, "none", 4)) {
3440 monitor_parse(optarg, "readline", false);
3441 }
3442 break;
3443 case QEMU_OPTION_qmp:
3444 monitor_parse(optarg, "control", false);
3445 default_monitor = 0;
3446 break;
3447 case QEMU_OPTION_qmp_pretty:
3448 monitor_parse(optarg, "control", true);
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_mon:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3453 true);
3454 if (!opts) {
3455 exit(1);
3456 }
3457 default_monitor = 0;
3458 break;
3459 case QEMU_OPTION_chardev:
3460 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3461 optarg, true);
3462 if (!opts) {
3463 exit(1);
3464 }
3465 break;
3466 case QEMU_OPTION_fsdev:
3467 olist = qemu_find_opts("fsdev");
3468 if (!olist) {
3469 error_report("fsdev support is disabled");
3470 exit(1);
3471 }
3472 opts = qemu_opts_parse_noisily(olist, optarg, true);
3473 if (!opts) {
3474 exit(1);
3475 }
3476 break;
3477 case QEMU_OPTION_virtfs: {
3478 QemuOpts *fsdev;
3479 QemuOpts *device;
3480 const char *writeout, *sock_fd, *socket;
3481
3482 olist = qemu_find_opts("virtfs");
3483 if (!olist) {
3484 error_report("virtfs support is disabled");
3485 exit(1);
3486 }
3487 opts = qemu_opts_parse_noisily(olist, optarg, true);
3488 if (!opts) {
3489 exit(1);
3490 }
3491
3492 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3493 qemu_opt_get(opts, "mount_tag") == NULL) {
3494 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3495 exit(1);
3496 }
3497 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3498 qemu_opt_get(opts, "mount_tag"),
3499 1, NULL);
3500 if (!fsdev) {
3501 error_report("duplicate fsdev id: %s",
3502 qemu_opt_get(opts, "mount_tag"));
3503 exit(1);
3504 }
3505
3506 writeout = qemu_opt_get(opts, "writeout");
3507 if (writeout) {
3508 #ifdef CONFIG_SYNC_FILE_RANGE
3509 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3510 #else
3511 error_report("writeout=immediate not supported "
3512 "on this platform");
3513 exit(1);
3514 #endif
3515 }
3516 qemu_opt_set(fsdev, "fsdriver",
3517 qemu_opt_get(opts, "fsdriver"), &error_abort);
3518 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3519 &error_abort);
3520 qemu_opt_set(fsdev, "security_model",
3521 qemu_opt_get(opts, "security_model"),
3522 &error_abort);
3523 socket = qemu_opt_get(opts, "socket");
3524 if (socket) {
3525 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3526 }
3527 sock_fd = qemu_opt_get(opts, "sock_fd");
3528 if (sock_fd) {
3529 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3530 }
3531
3532 qemu_opt_set_bool(fsdev, "readonly",
3533 qemu_opt_get_bool(opts, "readonly", 0),
3534 &error_abort);
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3536 &error_abort);
3537 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3538 qemu_opt_set(device, "fsdev",
3539 qemu_opt_get(opts, "mount_tag"), &error_abort);
3540 qemu_opt_set(device, "mount_tag",
3541 qemu_opt_get(opts, "mount_tag"), &error_abort);
3542 break;
3543 }
3544 case QEMU_OPTION_virtfs_synth: {
3545 QemuOpts *fsdev;
3546 QemuOpts *device;
3547
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3549 1, NULL);
3550 if (!fsdev) {
3551 error_report("duplicate option: %s", "virtfs_synth");
3552 exit(1);
3553 }
3554 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3555
3556 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3557 &error_abort);
3558 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3559 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3560 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3561 break;
3562 }
3563 case QEMU_OPTION_serial:
3564 add_device_config(DEV_SERIAL, optarg);
3565 default_serial = 0;
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3568 }
3569 break;
3570 case QEMU_OPTION_watchdog:
3571 if (watchdog) {
3572 error_report("only one watchdog option may be given");
3573 return 1;
3574 }
3575 watchdog = optarg;
3576 break;
3577 case QEMU_OPTION_watchdog_action:
3578 if (select_watchdog_action(optarg) == -1) {
3579 error_report("unknown -watchdog-action parameter");
3580 exit(1);
3581 }
3582 break;
3583 case QEMU_OPTION_virtiocon:
3584 add_device_config(DEV_VIRTCON, optarg);
3585 default_virtcon = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3588 }
3589 break;
3590 case QEMU_OPTION_parallel:
3591 add_device_config(DEV_PARALLEL, optarg);
3592 default_parallel = 0;
3593 if (strncmp(optarg, "mon:", 4) == 0) {
3594 default_monitor = 0;
3595 }
3596 break;
3597 case QEMU_OPTION_debugcon:
3598 add_device_config(DEV_DEBUGCON, optarg);
3599 break;
3600 case QEMU_OPTION_loadvm:
3601 loadvm = optarg;
3602 break;
3603 case QEMU_OPTION_full_screen:
3604 full_screen = 1;
3605 break;
3606 case QEMU_OPTION_no_frame:
3607 no_frame = 1;
3608 break;
3609 case QEMU_OPTION_alt_grab:
3610 alt_grab = 1;
3611 break;
3612 case QEMU_OPTION_ctrl_grab:
3613 ctrl_grab = 1;
3614 break;
3615 case QEMU_OPTION_no_quit:
3616 no_quit = 1;
3617 break;
3618 case QEMU_OPTION_sdl:
3619 #ifdef CONFIG_SDL
3620 display_type = DT_SDL;
3621 break;
3622 #else
3623 error_report("SDL support is disabled");
3624 exit(1);
3625 #endif
3626 case QEMU_OPTION_pidfile:
3627 pid_file = optarg;
3628 break;
3629 case QEMU_OPTION_win2k_hack:
3630 win2k_install_hack = 1;
3631 break;
3632 case QEMU_OPTION_rtc_td_hack: {
3633 static GlobalProperty slew_lost_ticks[] = {
3634 {
3635 .driver = "mc146818rtc",
3636 .property = "lost_tick_policy",
3637 .value = "slew",
3638 },
3639 { /* end of list */ }
3640 };
3641
3642 qdev_prop_register_global_list(slew_lost_ticks);
3643 break;
3644 }
3645 case QEMU_OPTION_acpitable:
3646 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3647 optarg, true);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 do_acpitable_option(opts);
3652 break;
3653 case QEMU_OPTION_smbios:
3654 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3655 optarg, false);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 do_smbios_option(opts);
3660 break;
3661 case QEMU_OPTION_fwcfg:
3662 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3663 optarg, true);
3664 if (opts == NULL) {
3665 exit(1);
3666 }
3667 break;
3668 case QEMU_OPTION_enable_kvm:
3669 olist = qemu_find_opts("machine");
3670 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3671 break;
3672 case QEMU_OPTION_M:
3673 case QEMU_OPTION_machine:
3674 olist = qemu_find_opts("machine");
3675 opts = qemu_opts_parse_noisily(olist, optarg, true);
3676 if (!opts) {
3677 exit(1);
3678 }
3679 break;
3680 case QEMU_OPTION_no_kvm:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3683 break;
3684 case QEMU_OPTION_no_kvm_pit: {
3685 error_report("warning: ignoring deprecated option");
3686 break;
3687 }
3688 case QEMU_OPTION_no_kvm_pit_reinjection: {
3689 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3690 {
3691 .driver = "kvm-pit",
3692 .property = "lost_tick_policy",
3693 .value = "discard",
3694 },
3695 { /* end of list */ }
3696 };
3697
3698 error_report("warning: deprecated, replaced by "
3699 "-global kvm-pit.lost_tick_policy=discard");
3700 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3701 break;
3702 }
3703 case QEMU_OPTION_usb:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "usb=on", false);
3706 break;
3707 case QEMU_OPTION_usbdevice:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "usb=on", false);
3710 add_device_config(DEV_USB, optarg);
3711 break;
3712 case QEMU_OPTION_device:
3713 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3714 optarg, true)) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_smp:
3719 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3720 optarg, true)) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_vnc:
3725 {
3726 #ifdef CONFIG_VNC
3727 Error *local_err = NULL;
3728
3729 if (vnc_parse(optarg, &local_err) == NULL) {
3730 error_report_err(local_err);
3731 exit(1);
3732 }
3733 #else
3734 error_report("VNC support is disabled");
3735 exit(1);
3736 #endif
3737 break;
3738 }
3739 case QEMU_OPTION_no_acpi:
3740 acpi_enabled = 0;
3741 break;
3742 case QEMU_OPTION_no_hpet:
3743 no_hpet = 1;
3744 break;
3745 case QEMU_OPTION_balloon:
3746 if (balloon_parse(optarg) < 0) {
3747 error_report("unknown -balloon argument %s", optarg);
3748 exit(1);
3749 }
3750 break;
3751 case QEMU_OPTION_no_reboot:
3752 no_reboot = 1;
3753 break;
3754 case QEMU_OPTION_no_shutdown:
3755 no_shutdown = 1;
3756 break;
3757 case QEMU_OPTION_show_cursor:
3758 cursor_hide = 0;
3759 break;
3760 case QEMU_OPTION_uuid:
3761 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3762 error_report("failed to parse UUID string: wrong format");
3763 exit(1);
3764 }
3765 qemu_uuid_set = true;
3766 break;
3767 case QEMU_OPTION_option_rom:
3768 if (nb_option_roms >= MAX_OPTION_ROMS) {
3769 error_report("too many option ROMs");
3770 exit(1);
3771 }
3772 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3773 optarg, true);
3774 if (!opts) {
3775 exit(1);
3776 }
3777 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3778 option_rom[nb_option_roms].bootindex =
3779 qemu_opt_get_number(opts, "bootindex", -1);
3780 if (!option_rom[nb_option_roms].name) {
3781 error_report("Option ROM file is not specified");
3782 exit(1);
3783 }
3784 nb_option_roms++;
3785 break;
3786 case QEMU_OPTION_semihosting:
3787 semihosting.enabled = true;
3788 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3789 break;
3790 case QEMU_OPTION_semihosting_config:
3791 semihosting.enabled = true;
3792 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3793 optarg, false);
3794 if (opts != NULL) {
3795 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3796 true);
3797 const char *target = qemu_opt_get(opts, "target");
3798 if (target != NULL) {
3799 if (strcmp("native", target) == 0) {
3800 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3801 } else if (strcmp("gdb", target) == 0) {
3802 semihosting.target = SEMIHOSTING_TARGET_GDB;
3803 } else if (strcmp("auto", target) == 0) {
3804 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3805 } else {
3806 error_report("unsupported semihosting-config %s",
3807 optarg);
3808 exit(1);
3809 }
3810 } else {
3811 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3812 }
3813 /* Set semihosting argument count and vector */
3814 qemu_opt_foreach(opts, add_semihosting_arg,
3815 &semihosting, NULL);
3816 } else {
3817 error_report("unsupported semihosting-config %s", optarg);
3818 exit(1);
3819 }
3820 break;
3821 case QEMU_OPTION_tdf:
3822 error_report("warning: ignoring deprecated option");
3823 break;
3824 case QEMU_OPTION_name:
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3826 optarg, true);
3827 if (!opts) {
3828 exit(1);
3829 }
3830 break;
3831 case QEMU_OPTION_prom_env:
3832 if (nb_prom_envs >= MAX_PROM_ENVS) {
3833 error_report("too many prom variables");
3834 exit(1);
3835 }
3836 prom_envs[nb_prom_envs] = optarg;
3837 nb_prom_envs++;
3838 break;
3839 case QEMU_OPTION_old_param:
3840 old_param = 1;
3841 break;
3842 case QEMU_OPTION_clock:
3843 /* Clock options no longer exist. Keep this option for
3844 * backward compatibility.
3845 */
3846 break;
3847 case QEMU_OPTION_startdate:
3848 configure_rtc_date_offset(optarg, 1);
3849 break;
3850 case QEMU_OPTION_rtc:
3851 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3852 false);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 configure_rtc(opts);
3857 break;
3858 case QEMU_OPTION_tb_size:
3859 tcg_tb_size = strtol(optarg, NULL, 0);
3860 if (tcg_tb_size < 0) {
3861 tcg_tb_size = 0;
3862 }
3863 break;
3864 case QEMU_OPTION_icount:
3865 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3866 optarg, true);
3867 if (!icount_opts) {
3868 exit(1);
3869 }
3870 break;
3871 case QEMU_OPTION_incoming:
3872 if (!incoming) {
3873 runstate_set(RUN_STATE_INMIGRATE);
3874 }
3875 incoming = optarg;
3876 break;
3877 case QEMU_OPTION_nodefaults:
3878 has_defaults = 0;
3879 break;
3880 case QEMU_OPTION_xen_domid:
3881 if (!(xen_available())) {
3882 printf("Option %s not supported for this target\n", popt->name);
3883 exit(1);
3884 }
3885 xen_domid = atoi(optarg);
3886 break;
3887 case QEMU_OPTION_xen_create:
3888 if (!(xen_available())) {
3889 printf("Option %s not supported for this target\n", popt->name);
3890 exit(1);
3891 }
3892 xen_mode = XEN_CREATE;
3893 break;
3894 case QEMU_OPTION_xen_attach:
3895 if (!(xen_available())) {
3896 printf("Option %s not supported for this target\n", popt->name);
3897 exit(1);
3898 }
3899 xen_mode = XEN_ATTACH;
3900 break;
3901 case QEMU_OPTION_trace:
3902 {
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3904 optarg, true);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 if (qemu_opt_get(opts, "enable")) {
3909 trace_enable_events(qemu_opt_get(opts, "enable"));
3910 }
3911 trace_init_events(qemu_opt_get(opts, "events"));
3912 if (trace_file) {
3913 g_free(trace_file);
3914 }
3915 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3916 qemu_opts_del(opts);
3917 break;
3918 }
3919 case QEMU_OPTION_readconfig:
3920 {
3921 int ret = qemu_read_config_file(optarg);
3922 if (ret < 0) {
3923 error_report("read config %s: %s", optarg,
3924 strerror(-ret));
3925 exit(1);
3926 }
3927 break;
3928 }
3929 case QEMU_OPTION_spice:
3930 olist = qemu_find_opts("spice");
3931 if (!olist) {
3932 error_report("spice support is disabled");
3933 exit(1);
3934 }
3935 opts = qemu_opts_parse_noisily(olist, optarg, false);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 display_remote++;
3940 break;
3941 case QEMU_OPTION_writeconfig:
3942 {
3943 FILE *fp;
3944 if (strcmp(optarg, "-") == 0) {
3945 fp = stdout;
3946 } else {
3947 fp = fopen(optarg, "w");
3948 if (fp == NULL) {
3949 error_report("open %s: %s", optarg,
3950 strerror(errno));
3951 exit(1);
3952 }
3953 }
3954 qemu_config_write(fp);
3955 if (fp != stdout) {
3956 fclose(fp);
3957 }
3958 break;
3959 }
3960 case QEMU_OPTION_qtest:
3961 qtest_chrdev = optarg;
3962 break;
3963 case QEMU_OPTION_qtest_log:
3964 qtest_log = optarg;
3965 break;
3966 case QEMU_OPTION_sandbox:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3968 optarg, true);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 break;
3973 case QEMU_OPTION_add_fd:
3974 #ifndef _WIN32
3975 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3976 optarg, false);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 #else
3981 error_report("File descriptor passing is disabled on this "
3982 "platform");
3983 exit(1);
3984 #endif
3985 break;
3986 case QEMU_OPTION_object:
3987 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3988 optarg, true);
3989 if (!opts) {
3990 exit(1);
3991 }
3992 break;
3993 case QEMU_OPTION_realtime:
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3995 optarg, false);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4000 break;
4001 case QEMU_OPTION_msg:
4002 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4003 false);
4004 if (!opts) {
4005 exit(1);
4006 }
4007 configure_msg(opts);
4008 break;
4009 case QEMU_OPTION_dump_vmstate:
4010 if (vmstate_dump_file) {
4011 error_report("only one '-dump-vmstate' "
4012 "option may be given");
4013 exit(1);
4014 }
4015 vmstate_dump_file = fopen(optarg, "w");
4016 if (vmstate_dump_file == NULL) {
4017 error_report("open %s: %s", optarg, strerror(errno));
4018 exit(1);
4019 }
4020 break;
4021 default:
4022 os_parse_cmd_args(popt->index, optarg);
4023 }
4024 }
4025 }
4026
4027 replay_configure(icount_opts);
4028
4029 opts = qemu_get_machine_opts();
4030 optarg = qemu_opt_get(opts, "type");
4031 if (optarg) {
4032 machine_class = machine_parse(optarg);
4033 }
4034
4035 if (machine_class == NULL) {
4036 error_report("No machine specified, and there is no default");
4037 error_printf("Use -machine help to list supported machines\n");
4038 exit(1);
4039 }
4040
4041 set_memory_options(&ram_slots, &maxram_size, machine_class);
4042
4043 loc_set_none();
4044
4045 os_daemonize();
4046
4047 if (qemu_init_main_loop(&main_loop_err)) {
4048 error_report_err(main_loop_err);
4049 exit(1);
4050 }
4051
4052 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4053 parse_sandbox, NULL, NULL)) {
4054 exit(1);
4055 }
4056
4057 if (qemu_opts_foreach(qemu_find_opts("name"),
4058 parse_name, NULL, NULL)) {
4059 exit(1);
4060 }
4061
4062 #ifndef _WIN32
4063 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4064 parse_add_fd, NULL, NULL)) {
4065 exit(1);
4066 }
4067
4068 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4069 cleanup_add_fd, NULL, NULL)) {
4070 exit(1);
4071 }
4072 #endif
4073
4074 current_machine = MACHINE(object_new(object_class_get_name(
4075 OBJECT_CLASS(machine_class))));
4076 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4077 exit(0);
4078 }
4079 object_property_add_child(object_get_root(), "machine",
4080 OBJECT(current_machine), &error_abort);
4081 cpu_exec_init_all();
4082
4083 if (machine_class->hw_version) {
4084 qemu_set_hw_version(machine_class->hw_version);
4085 }
4086
4087 /* Init CPU def lists, based on config
4088 * - Must be called after all the qemu_read_config_file() calls
4089 * - Must be called before list_cpus()
4090 * - Must be called before machine->init()
4091 */
4092 cpudef_init();
4093
4094 if (cpu_model && is_help_option(cpu_model)) {
4095 list_cpus(stdout, &fprintf, cpu_model);
4096 exit(0);
4097 }
4098
4099 trace_init_file(trace_file);
4100
4101 /* Open the logfile at this point and set the log mask if necessary.
4102 */
4103 if (log_file) {
4104 qemu_set_log_filename(log_file);
4105 }
4106
4107 if (log_mask) {
4108 int mask;
4109 mask = qemu_str_to_log_mask(log_mask);
4110 if (!mask) {
4111 qemu_print_log_usage(stdout);
4112 exit(1);
4113 }
4114 qemu_set_log(mask);
4115 } else {
4116 qemu_set_log(0);
4117 }
4118
4119 if (!trace_init_backends()) {
4120 exit(1);
4121 }
4122
4123 /* If no data_dir is specified then try to find it relative to the
4124 executable path. */
4125 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4126 data_dir[data_dir_idx] = os_find_datadir();
4127 if (data_dir[data_dir_idx] != NULL) {
4128 data_dir_idx++;
4129 }
4130 }
4131 /* If all else fails use the install path specified when building. */
4132 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4133 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4134 }
4135
4136 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4137
4138 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4139 if (max_cpus > machine_class->max_cpus) {
4140 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4141 "supported by machine '%s' (%d)", max_cpus,
4142 machine_class->name, machine_class->max_cpus);
4143 exit(1);
4144 }
4145
4146 /*
4147 * Get the default machine options from the machine if it is not already
4148 * specified either by the configuration file or by the command line.
4149 */
4150 if (machine_class->default_machine_opts) {
4151 qemu_opts_set_defaults(qemu_find_opts("machine"),
4152 machine_class->default_machine_opts, 0);
4153 }
4154
4155 qemu_opts_foreach(qemu_find_opts("device"),
4156 default_driver_check, NULL, NULL);
4157 qemu_opts_foreach(qemu_find_opts("global"),
4158 default_driver_check, NULL, NULL);
4159
4160 if (!vga_model && !default_vga) {
4161 vga_interface_type = VGA_DEVICE;
4162 }
4163 if (!has_defaults || machine_class->no_serial) {
4164 default_serial = 0;
4165 }
4166 if (!has_defaults || machine_class->no_parallel) {
4167 default_parallel = 0;
4168 }
4169 if (!has_defaults || !machine_class->use_virtcon) {
4170 default_virtcon = 0;
4171 }
4172 if (!has_defaults || !machine_class->use_sclp) {
4173 default_sclp = 0;
4174 }
4175 if (!has_defaults || machine_class->no_floppy) {
4176 default_floppy = 0;
4177 }
4178 if (!has_defaults || machine_class->no_cdrom) {
4179 default_cdrom = 0;
4180 }
4181 if (!has_defaults || machine_class->no_sdcard) {
4182 default_sdcard = 0;
4183 }
4184 if (!has_defaults) {
4185 default_monitor = 0;
4186 default_net = 0;
4187 default_vga = 0;
4188 }
4189
4190 if (is_daemonized()) {
4191 /* According to documentation and historically, -nographic redirects
4192 * serial port, parallel port and monitor to stdio, which does not work
4193 * with -daemonize. We can redirect these to null instead, but since
4194 * -nographic is legacy, let's just error out.
4195 * We disallow -nographic only if all other ports are not redirected
4196 * explicitly, to not break existing legacy setups which uses
4197 * -nographic _and_ redirects all ports explicitly - this is valid
4198 * usage, -nographic is just a no-op in this case.
4199 */
4200 if (display_type == DT_NOGRAPHIC
4201 && (default_parallel || default_serial
4202 || default_monitor || default_virtcon)) {
4203 error_report("-nographic cannot be used with -daemonize");
4204 exit(1);
4205 }
4206 #ifdef CONFIG_CURSES
4207 if (display_type == DT_CURSES) {
4208 error_report("curses display cannot be used with -daemonize");
4209 exit(1);
4210 }
4211 #endif
4212 }
4213
4214 if (display_type == DT_NOGRAPHIC) {
4215 if (default_parallel)
4216 add_device_config(DEV_PARALLEL, "null");
4217 if (default_serial && default_monitor) {
4218 add_device_config(DEV_SERIAL, "mon:stdio");
4219 } else if (default_virtcon && default_monitor) {
4220 add_device_config(DEV_VIRTCON, "mon:stdio");
4221 } else if (default_sclp && default_monitor) {
4222 add_device_config(DEV_SCLP, "mon:stdio");
4223 } else {
4224 if (default_serial)
4225 add_device_config(DEV_SERIAL, "stdio");
4226 if (default_virtcon)
4227 add_device_config(DEV_VIRTCON, "stdio");
4228 if (default_sclp) {
4229 add_device_config(DEV_SCLP, "stdio");
4230 }
4231 if (default_monitor)
4232 monitor_parse("stdio", "readline", false);
4233 }
4234 } else {
4235 if (default_serial)
4236 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4237 if (default_parallel)
4238 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4239 if (default_monitor)
4240 monitor_parse("vc:80Cx24C", "readline", false);
4241 if (default_virtcon)
4242 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4243 if (default_sclp) {
4244 add_device_config(DEV_SCLP, "vc:80Cx24C");
4245 }
4246 }
4247
4248 #if defined(CONFIG_VNC)
4249 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4250 display_remote++;
4251 }
4252 #endif
4253 if (display_type == DT_DEFAULT && !display_remote) {
4254 #if defined(CONFIG_GTK)
4255 display_type = DT_GTK;
4256 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4257 display_type = DT_SDL;
4258 #elif defined(CONFIG_VNC)
4259 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4260 show_vnc_port = 1;
4261 #else
4262 display_type = DT_NONE;
4263 #endif
4264 }
4265
4266 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4267 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4268 "for SDL, ignoring option");
4269 }
4270 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4271 error_report("-no-quit is only valid for GTK and SDL, "
4272 "ignoring option");
4273 }
4274
4275 #if defined(CONFIG_GTK)
4276 if (display_type == DT_GTK) {
4277 early_gtk_display_init(request_opengl);
4278 }
4279 #endif
4280 #if defined(CONFIG_SDL)
4281 if (display_type == DT_SDL) {
4282 sdl_display_early_init(request_opengl);
4283 }
4284 #endif
4285 if (request_opengl == 1 && display_opengl == 0) {
4286 #if defined(CONFIG_OPENGL)
4287 error_report("OpenGL is not supported by the display");
4288 #else
4289 error_report("OpenGL support is disabled");
4290 #endif
4291 exit(1);
4292 }
4293
4294 page_size_init();
4295 socket_init();
4296
4297 if (qemu_opts_foreach(qemu_find_opts("object"),
4298 object_create,
4299 object_create_initial, NULL)) {
4300 exit(1);
4301 }
4302
4303 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4304 chardev_init_func, NULL, NULL)) {
4305 exit(1);
4306 }
4307
4308 #ifdef CONFIG_VIRTFS
4309 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4310 fsdev_init_func, NULL, NULL)) {
4311 exit(1);
4312 }
4313 #endif
4314
4315 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4316 error_report("could not acquire pid file: %s", strerror(errno));
4317 exit(1);
4318 }
4319
4320 if (qemu_opts_foreach(qemu_find_opts("device"),
4321 device_help_func, NULL, NULL)) {
4322 exit(0);
4323 }
4324
4325 machine_opts = qemu_get_machine_opts();
4326 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4327 NULL)) {
4328 object_unref(OBJECT(current_machine));
4329 exit(1);
4330 }
4331
4332 configure_accelerator(current_machine);
4333
4334 if (qtest_chrdev) {
4335 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4336 }
4337
4338 machine_opts = qemu_get_machine_opts();
4339 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4340 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4341 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4342 bios_name = qemu_opt_get(machine_opts, "firmware");
4343
4344 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4345 if (opts) {
4346 boot_order = qemu_opt_get(opts, "order");
4347 if (boot_order) {
4348 validate_bootdevices(boot_order, &error_fatal);
4349 }
4350
4351 boot_once = qemu_opt_get(opts, "once");
4352 if (boot_once) {
4353 validate_bootdevices(boot_once, &error_fatal);
4354 }
4355
4356 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4357 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4358 }
4359
4360 if (!boot_order) {
4361 boot_order = machine_class->default_boot_order;
4362 }
4363
4364 if (!kernel_cmdline) {
4365 kernel_cmdline = "";
4366 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4367 }
4368
4369 linux_boot = (kernel_filename != NULL);
4370
4371 if (!linux_boot && *kernel_cmdline != '\0') {
4372 error_report("-append only allowed with -kernel option");
4373 exit(1);
4374 }
4375
4376 if (!linux_boot && initrd_filename != NULL) {
4377 error_report("-initrd only allowed with -kernel option");
4378 exit(1);
4379 }
4380
4381 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4382 error_report("-dtb only allowed with -kernel option");
4383 exit(1);
4384 }
4385
4386 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4387 /* fall back to the -kernel/-append */
4388 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4389 }
4390
4391 os_set_line_buffering();
4392
4393 #ifdef CONFIG_SPICE
4394 /* spice needs the timers to be initialized by this point */
4395 qemu_spice_init();
4396 #endif
4397
4398 cpu_ticks_init();
4399 if (icount_opts) {
4400 if (kvm_enabled() || xen_enabled()) {
4401 error_report("-icount is not allowed with kvm or xen");
4402 exit(1);
4403 }
4404 configure_icount(icount_opts, &error_abort);
4405 qemu_opts_del(icount_opts);
4406 }
4407
4408 /* clean up network at qemu process termination */
4409 atexit(&net_cleanup);
4410
4411 if (net_init_clients() < 0) {
4412 exit(1);
4413 }
4414
4415 if (qemu_opts_foreach(qemu_find_opts("object"),
4416 object_create,
4417 object_create_delayed, NULL)) {
4418 exit(1);
4419 }
4420
4421 #ifdef CONFIG_TPM
4422 if (tpm_init() < 0) {
4423 exit(1);
4424 }
4425 #endif
4426
4427 /* init the bluetooth world */
4428 if (foreach_device_config(DEV_BT, bt_parse))
4429 exit(1);
4430
4431 if (!xen_enabled()) {
4432 /* On 32-bit hosts, QEMU is limited by virtual address space */
4433 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4434 error_report("at most 2047 MB RAM can be simulated");
4435 exit(1);
4436 }
4437 }
4438
4439 blk_mig_init();
4440 ram_mig_init();
4441
4442 /* If the currently selected machine wishes to override the units-per-bus
4443 * property of its default HBA interface type, do so now. */
4444 if (machine_class->units_per_default_bus) {
4445 override_max_devs(machine_class->block_default_type,
4446 machine_class->units_per_default_bus);
4447 }
4448
4449 /* open the virtual block devices */
4450 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4451 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4452 NULL, NULL);
4453 }
4454 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4455 &machine_class->block_default_type, NULL)) {
4456 exit(1);
4457 }
4458
4459 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4460 CDROM_OPTS);
4461 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4462 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4463
4464 parse_numa_opts(machine_class);
4465
4466 if (qemu_opts_foreach(qemu_find_opts("mon"),
4467 mon_init_func, NULL, NULL)) {
4468 exit(1);
4469 }
4470
4471 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4472 exit(1);
4473 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4474 exit(1);
4475 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4476 exit(1);
4477 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4478 exit(1);
4479 }
4480 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4481 exit(1);
4482
4483 /* If no default VGA is requested, the default is "none". */
4484 if (default_vga) {
4485 if (machine_class->default_display) {
4486 vga_model = machine_class->default_display;
4487 } else if (cirrus_vga_available()) {
4488 vga_model = "cirrus";
4489 } else if (vga_available()) {
4490 vga_model = "std";
4491 }
4492 }
4493 if (vga_model) {
4494 select_vgahw(vga_model);
4495 }
4496
4497 if (watchdog) {
4498 i = select_watchdog(watchdog);
4499 if (i > 0)
4500 exit (i == 1 ? 1 : 0);
4501 }
4502
4503 if (machine_class->compat_props) {
4504 qdev_prop_register_global_list(machine_class->compat_props);
4505 }
4506 qemu_add_globals();
4507
4508 /* This checkpoint is required by replay to separate prior clock
4509 reading from the other reads, because timer polling functions query
4510 clock values from the log. */
4511 replay_checkpoint(CHECKPOINT_INIT);
4512 qdev_machine_init();
4513
4514 current_machine->ram_size = ram_size;
4515 current_machine->maxram_size = maxram_size;
4516 current_machine->ram_slots = ram_slots;
4517 current_machine->boot_order = boot_order;
4518 current_machine->cpu_model = cpu_model;
4519
4520 machine_class->init(current_machine);
4521
4522 realtime_init();
4523
4524 audio_init();
4525
4526 cpu_synchronize_all_post_init();
4527
4528 numa_post_machine_init();
4529
4530 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4531 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4532 exit(1);
4533 }
4534
4535 /* init USB devices */
4536 if (usb_enabled()) {
4537 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4538 exit(1);
4539 }
4540
4541 /* Check if IGD GFX passthrough. */
4542 igd_gfx_passthru();
4543
4544 /* init generic devices */
4545 if (qemu_opts_foreach(qemu_find_opts("device"),
4546 device_init_func, NULL, NULL)) {
4547 exit(1);
4548 }
4549
4550 /* Did we create any drives that we failed to create a device for? */
4551 drive_check_orphaned();
4552
4553 net_check_clients();
4554
4555 if (boot_once) {
4556 Error *local_err = NULL;
4557 qemu_boot_set(boot_once, &local_err);
4558 if (local_err) {
4559 error_report_err(local_err);
4560 exit(1);
4561 }
4562 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4563 }
4564
4565 ds = init_displaystate();
4566
4567 /* init local displays */
4568 switch (display_type) {
4569 case DT_NOGRAPHIC:
4570 (void)ds; /* avoid warning if no display is configured */
4571 break;
4572 #if defined(CONFIG_CURSES)
4573 case DT_CURSES:
4574 curses_display_init(ds, full_screen);
4575 break;
4576 #endif
4577 #if defined(CONFIG_SDL)
4578 case DT_SDL:
4579 sdl_display_init(ds, full_screen, no_frame);
4580 break;
4581 #elif defined(CONFIG_COCOA)
4582 case DT_SDL:
4583 cocoa_display_init(ds, full_screen);
4584 break;
4585 #endif
4586 #if defined(CONFIG_GTK)
4587 case DT_GTK:
4588 gtk_display_init(ds, full_screen, grab_on_hover);
4589 break;
4590 #endif
4591 default:
4592 break;
4593 }
4594
4595 /* must be after terminal init, SDL library changes signal handlers */
4596 os_setup_signal_handling();
4597
4598 #ifdef CONFIG_VNC
4599 /* init remote displays */
4600 qemu_opts_foreach(qemu_find_opts("vnc"),
4601 vnc_init_func, NULL, NULL);
4602 if (show_vnc_port) {
4603 char *ret = vnc_display_local_addr("default");
4604 printf("VNC server running on '%s'\n", ret);
4605 g_free(ret);
4606 }
4607 #endif
4608 #ifdef CONFIG_SPICE
4609 if (using_spice) {
4610 qemu_spice_display_init();
4611 }
4612 #endif
4613
4614 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4615 exit(1);
4616 }
4617
4618 qdev_machine_creation_done();
4619
4620 /* TODO: once all bus devices are qdevified, this should be done
4621 * when bus is created by qdev.c */
4622 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4623 qemu_run_machine_init_done_notifiers();
4624
4625 if (rom_check_and_register_reset() != 0) {
4626 error_report("rom check and register reset failed");
4627 exit(1);
4628 }
4629
4630 replay_start();
4631
4632 /* This checkpoint is required by replay to separate prior clock
4633 reading from the other reads, because timer polling functions query
4634 clock values from the log. */
4635 replay_checkpoint(CHECKPOINT_RESET);
4636 qemu_system_reset(VMRESET_SILENT);
4637 register_global_state();
4638 if (loadvm) {
4639 if (load_vmstate(loadvm) < 0) {
4640 autostart = 0;
4641 }
4642 }
4643
4644 qdev_prop_check_globals();
4645 if (vmstate_dump_file) {
4646 /* dump and exit */
4647 dump_vmstate_json_to_file(vmstate_dump_file);
4648 return 0;
4649 }
4650
4651 if (incoming) {
4652 Error *local_err = NULL;
4653 qemu_start_incoming_migration(incoming, &local_err);
4654 if (local_err) {
4655 error_reportf_err(local_err, "-incoming %s: ", incoming);
4656 exit(1);
4657 }
4658 } else if (autostart) {
4659 vm_start();
4660 }
4661
4662 os_setup_post();
4663
4664 main_loop();
4665 replay_disable_events();
4666
4667 bdrv_close_all();
4668 pause_all_vcpus();
4669 res_free();
4670 #ifdef CONFIG_TPM
4671 tpm_cleanup();
4672 #endif
4673
4674 return 0;
4675 }
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