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block: convert quorum blockdrv to use crypto APIs
[qemu/ar7.git] / vl.c
blob3eea5c454b15fd61dae040cdc8a6d5089941b879
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 <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 if (boot_splash_filedata != NULL) {
538 g_free(boot_splash_filedata);
539 boot_splash_filedata = NULL;
540 }
541 }
542
543 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
544 {
545 const char *driver = qemu_opt_get(opts, "driver");
546 int i;
547
548 if (!driver)
549 return 0;
550 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
551 if (strcmp(default_list[i].driver, driver) != 0)
552 continue;
553 *(default_list[i].flag) = 0;
554 }
555 return 0;
556 }
557
558 /***********************************************************/
559 /* QEMU state */
560
561 static RunState current_run_state = RUN_STATE_PRELAUNCH;
562
563 /* We use RUN_STATE_MAX but any invalid value will do */
564 static RunState vmstop_requested = RUN_STATE_MAX;
565 static QemuMutex vmstop_lock;
566
567 typedef struct {
568 RunState from;
569 RunState to;
570 } RunStateTransition;
571
572 static const RunStateTransition runstate_transitions_def[] = {
573 /* from -> to */
574 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
575 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
578 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
579
580 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
581 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
584 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
585
586 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
587 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
593 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
595
596 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
597 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
598
599 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
600
601 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
602 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
603 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
604 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
605 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
607 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
608 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
609 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
610 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
611
612 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
613
614 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
615 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
616
617 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
618 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
619 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
620 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
621
622 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
623 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
624
625 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
626 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_MAX, RUN_STATE_MAX },
629 };
630
631 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
632
633 bool runstate_check(RunState state)
634 {
635 return current_run_state == state;
636 }
637
638 static void runstate_init(void)
639 {
640 const RunStateTransition *p;
641
642 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
643 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
644 runstate_valid_transitions[p->from][p->to] = true;
645 }
646
647 qemu_mutex_init(&vmstop_lock);
648 }
649
650 /* This function will abort() on invalid state transitions */
651 void runstate_set(RunState new_state)
652 {
653 assert(new_state < RUN_STATE_MAX);
654
655 if (!runstate_valid_transitions[current_run_state][new_state]) {
656 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
657 RunState_lookup[current_run_state],
658 RunState_lookup[new_state]);
659 abort();
660 }
661 trace_runstate_set(new_state);
662 current_run_state = new_state;
663 }
664
665 int runstate_is_running(void)
666 {
667 return runstate_check(RUN_STATE_RUNNING);
668 }
669
670 bool runstate_needs_reset(void)
671 {
672 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
673 runstate_check(RUN_STATE_SHUTDOWN);
674 }
675
676 StatusInfo *qmp_query_status(Error **errp)
677 {
678 StatusInfo *info = g_malloc0(sizeof(*info));
679
680 info->running = runstate_is_running();
681 info->singlestep = singlestep;
682 info->status = current_run_state;
683
684 return info;
685 }
686
687 static bool qemu_vmstop_requested(RunState *r)
688 {
689 qemu_mutex_lock(&vmstop_lock);
690 *r = vmstop_requested;
691 vmstop_requested = RUN_STATE_MAX;
692 qemu_mutex_unlock(&vmstop_lock);
693 return *r < RUN_STATE_MAX;
694 }
695
696 void qemu_system_vmstop_request_prepare(void)
697 {
698 qemu_mutex_lock(&vmstop_lock);
699 }
700
701 void qemu_system_vmstop_request(RunState state)
702 {
703 vmstop_requested = state;
704 qemu_mutex_unlock(&vmstop_lock);
705 qemu_notify_event();
706 }
707
708 void vm_start(void)
709 {
710 RunState requested;
711
712 qemu_vmstop_requested(&requested);
713 if (runstate_is_running() && requested == RUN_STATE_MAX) {
714 return;
715 }
716
717 /* Ensure that a STOP/RESUME pair of events is emitted if a
718 * vmstop request was pending. The BLOCK_IO_ERROR event, for
719 * example, according to documentation is always followed by
720 * the STOP event.
721 */
722 if (runstate_is_running()) {
723 qapi_event_send_stop(&error_abort);
724 } else {
725 cpu_enable_ticks();
726 runstate_set(RUN_STATE_RUNNING);
727 vm_state_notify(1, RUN_STATE_RUNNING);
728 resume_all_vcpus();
729 }
730
731 qapi_event_send_resume(&error_abort);
732 }
733
734
735 /***********************************************************/
736 /* real time host monotonic timer */
737
738 static time_t qemu_time(void)
739 {
740 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
741 }
742
743 /***********************************************************/
744 /* host time/date access */
745 void qemu_get_timedate(struct tm *tm, int offset)
746 {
747 time_t ti = qemu_time();
748
749 ti += offset;
750 if (rtc_date_offset == -1) {
751 if (rtc_utc)
752 gmtime_r(&ti, tm);
753 else
754 localtime_r(&ti, tm);
755 } else {
756 ti -= rtc_date_offset;
757 gmtime_r(&ti, tm);
758 }
759 }
760
761 int qemu_timedate_diff(struct tm *tm)
762 {
763 time_t seconds;
764
765 if (rtc_date_offset == -1)
766 if (rtc_utc)
767 seconds = mktimegm(tm);
768 else {
769 struct tm tmp = *tm;
770 tmp.tm_isdst = -1; /* use timezone to figure it out */
771 seconds = mktime(&tmp);
772 }
773 else
774 seconds = mktimegm(tm) + rtc_date_offset;
775
776 return seconds - qemu_time();
777 }
778
779 static void configure_rtc_date_offset(const char *startdate, int legacy)
780 {
781 time_t rtc_start_date;
782 struct tm tm;
783
784 if (!strcmp(startdate, "now") && legacy) {
785 rtc_date_offset = -1;
786 } else {
787 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
788 &tm.tm_year,
789 &tm.tm_mon,
790 &tm.tm_mday,
791 &tm.tm_hour,
792 &tm.tm_min,
793 &tm.tm_sec) == 6) {
794 /* OK */
795 } else if (sscanf(startdate, "%d-%d-%d",
796 &tm.tm_year,
797 &tm.tm_mon,
798 &tm.tm_mday) == 3) {
799 tm.tm_hour = 0;
800 tm.tm_min = 0;
801 tm.tm_sec = 0;
802 } else {
803 goto date_fail;
804 }
805 tm.tm_year -= 1900;
806 tm.tm_mon--;
807 rtc_start_date = mktimegm(&tm);
808 if (rtc_start_date == -1) {
809 date_fail:
810 fprintf(stderr, "Invalid date format. Valid formats are:\n"
811 "'2006-06-17T16:01:21' or '2006-06-17'\n");
812 exit(1);
813 }
814 rtc_date_offset = qemu_time() - rtc_start_date;
815 }
816 }
817
818 static void configure_rtc(QemuOpts *opts)
819 {
820 const char *value;
821
822 value = qemu_opt_get(opts, "base");
823 if (value) {
824 if (!strcmp(value, "utc")) {
825 rtc_utc = 1;
826 } else if (!strcmp(value, "localtime")) {
827 rtc_utc = 0;
828 } else {
829 configure_rtc_date_offset(value, 0);
830 }
831 }
832 value = qemu_opt_get(opts, "clock");
833 if (value) {
834 if (!strcmp(value, "host")) {
835 rtc_clock = QEMU_CLOCK_HOST;
836 } else if (!strcmp(value, "rt")) {
837 rtc_clock = QEMU_CLOCK_REALTIME;
838 } else if (!strcmp(value, "vm")) {
839 rtc_clock = QEMU_CLOCK_VIRTUAL;
840 } else {
841 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
842 exit(1);
843 }
844 }
845 value = qemu_opt_get(opts, "driftfix");
846 if (value) {
847 if (!strcmp(value, "slew")) {
848 static GlobalProperty slew_lost_ticks[] = {
849 {
850 .driver = "mc146818rtc",
851 .property = "lost_tick_policy",
852 .value = "slew",
853 },
854 { /* end of list */ }
855 };
856
857 qdev_prop_register_global_list(slew_lost_ticks);
858 } else if (!strcmp(value, "none")) {
859 /* discard is default */
860 } else {
861 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
862 exit(1);
863 }
864 }
865 }
866
867 /***********************************************************/
868 /* Bluetooth support */
869 static int nb_hcis;
870 static int cur_hci;
871 static struct HCIInfo *hci_table[MAX_NICS];
872
873 struct HCIInfo *qemu_next_hci(void)
874 {
875 if (cur_hci == nb_hcis)
876 return &null_hci;
877
878 return hci_table[cur_hci++];
879 }
880
881 static int bt_hci_parse(const char *str)
882 {
883 struct HCIInfo *hci;
884 bdaddr_t bdaddr;
885
886 if (nb_hcis >= MAX_NICS) {
887 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
888 return -1;
889 }
890
891 hci = hci_init(str);
892 if (!hci)
893 return -1;
894
895 bdaddr.b[0] = 0x52;
896 bdaddr.b[1] = 0x54;
897 bdaddr.b[2] = 0x00;
898 bdaddr.b[3] = 0x12;
899 bdaddr.b[4] = 0x34;
900 bdaddr.b[5] = 0x56 + nb_hcis;
901 hci->bdaddr_set(hci, bdaddr.b);
902
903 hci_table[nb_hcis++] = hci;
904
905 return 0;
906 }
907
908 static void bt_vhci_add(int vlan_id)
909 {
910 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
911
912 if (!vlan->slave)
913 fprintf(stderr, "qemu: warning: adding a VHCI to "
914 "an empty scatternet %i\n", vlan_id);
915
916 bt_vhci_init(bt_new_hci(vlan));
917 }
918
919 static struct bt_device_s *bt_device_add(const char *opt)
920 {
921 struct bt_scatternet_s *vlan;
922 int vlan_id = 0;
923 char *endp = strstr(opt, ",vlan=");
924 int len = (endp ? endp - opt : strlen(opt)) + 1;
925 char devname[10];
926
927 pstrcpy(devname, MIN(sizeof(devname), len), opt);
928
929 if (endp) {
930 vlan_id = strtol(endp + 6, &endp, 0);
931 if (*endp) {
932 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
933 return 0;
934 }
935 }
936
937 vlan = qemu_find_bt_vlan(vlan_id);
938
939 if (!vlan->slave)
940 fprintf(stderr, "qemu: warning: adding a slave device to "
941 "an empty scatternet %i\n", vlan_id);
942
943 if (!strcmp(devname, "keyboard"))
944 return bt_keyboard_init(vlan);
945
946 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
947 return 0;
948 }
949
950 static int bt_parse(const char *opt)
951 {
952 const char *endp, *p;
953 int vlan;
954
955 if (strstart(opt, "hci", &endp)) {
956 if (!*endp || *endp == ',') {
957 if (*endp)
958 if (!strstart(endp, ",vlan=", 0))
959 opt = endp + 1;
960
961 return bt_hci_parse(opt);
962 }
963 } else if (strstart(opt, "vhci", &endp)) {
964 if (!*endp || *endp == ',') {
965 if (*endp) {
966 if (strstart(endp, ",vlan=", &p)) {
967 vlan = strtol(p, (char **) &endp, 0);
968 if (*endp) {
969 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
970 return 1;
971 }
972 } else {
973 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
974 return 1;
975 }
976 } else
977 vlan = 0;
978
979 bt_vhci_add(vlan);
980 return 0;
981 }
982 } else if (strstart(opt, "device:", &endp))
983 return !bt_device_add(endp);
984
985 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
986 return 1;
987 }
988
989 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
990 {
991 /* FIXME: change this to true for 1.3 */
992 if (qemu_opt_get_bool(opts, "enable", false)) {
993 #ifdef CONFIG_SECCOMP
994 if (seccomp_start() < 0) {
995 error_report("failed to install seccomp syscall filter "
996 "in the kernel");
997 return -1;
998 }
999 #else
1000 error_report("sandboxing request but seccomp is not compiled "
1001 "into this build");
1002 return -1;
1003 #endif
1004 }
1005
1006 return 0;
1007 }
1008
1009 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1010 {
1011 const char *proc_name;
1012
1013 if (qemu_opt_get(opts, "debug-threads")) {
1014 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1015 }
1016 qemu_name = qemu_opt_get(opts, "guest");
1017
1018 proc_name = qemu_opt_get(opts, "process");
1019 if (proc_name) {
1020 os_set_proc_name(proc_name);
1021 }
1022
1023 return 0;
1024 }
1025
1026 bool defaults_enabled(void)
1027 {
1028 return has_defaults;
1029 }
1030
1031 bool usb_enabled(void)
1032 {
1033 return machine_usb(current_machine);
1034 }
1035
1036 #ifndef _WIN32
1037 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1038 {
1039 int fd, dupfd, flags;
1040 int64_t fdset_id;
1041 const char *fd_opaque = NULL;
1042 AddfdInfo *fdinfo;
1043
1044 fd = qemu_opt_get_number(opts, "fd", -1);
1045 fdset_id = qemu_opt_get_number(opts, "set", -1);
1046 fd_opaque = qemu_opt_get(opts, "opaque");
1047
1048 if (fd < 0) {
1049 error_report("fd option is required and must be non-negative");
1050 return -1;
1051 }
1052
1053 if (fd <= STDERR_FILENO) {
1054 error_report("fd cannot be a standard I/O stream");
1055 return -1;
1056 }
1057
1058 /*
1059 * All fds inherited across exec() necessarily have FD_CLOEXEC
1060 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1061 */
1062 flags = fcntl(fd, F_GETFD);
1063 if (flags == -1 || (flags & FD_CLOEXEC)) {
1064 error_report("fd is not valid or already in use");
1065 return -1;
1066 }
1067
1068 if (fdset_id < 0) {
1069 error_report("set option is required and must be non-negative");
1070 return -1;
1071 }
1072
1073 #ifdef F_DUPFD_CLOEXEC
1074 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1075 #else
1076 dupfd = dup(fd);
1077 if (dupfd != -1) {
1078 qemu_set_cloexec(dupfd);
1079 }
1080 #endif
1081 if (dupfd == -1) {
1082 error_report("Error duplicating fd: %s", strerror(errno));
1083 return -1;
1084 }
1085
1086 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1087 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1088 &error_abort);
1089 g_free(fdinfo);
1090
1091 return 0;
1092 }
1093
1094 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1095 {
1096 int fd;
1097
1098 fd = qemu_opt_get_number(opts, "fd", -1);
1099 close(fd);
1100
1101 return 0;
1102 }
1103 #endif
1104
1105 /***********************************************************/
1106 /* QEMU Block devices */
1107
1108 #define HD_OPTS "media=disk"
1109 #define CDROM_OPTS "media=cdrom"
1110 #define FD_OPTS ""
1111 #define PFLASH_OPTS ""
1112 #define MTD_OPTS ""
1113 #define SD_OPTS ""
1114
1115 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1116 {
1117 BlockInterfaceType *block_default_type = opaque;
1118
1119 return drive_new(opts, *block_default_type) == NULL;
1120 }
1121
1122 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1123 {
1124 if (qemu_opt_get(opts, "snapshot") == NULL) {
1125 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1126 }
1127 return 0;
1128 }
1129
1130 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1131 int index, const char *optstr)
1132 {
1133 QemuOpts *opts;
1134 DriveInfo *dinfo;
1135
1136 if (!enable || drive_get_by_index(type, index)) {
1137 return;
1138 }
1139
1140 opts = drive_add(type, index, NULL, optstr);
1141 if (snapshot) {
1142 drive_enable_snapshot(NULL, opts, NULL);
1143 }
1144
1145 dinfo = drive_new(opts, type);
1146 if (!dinfo) {
1147 exit(1);
1148 }
1149 dinfo->is_default = true;
1150
1151 }
1152
1153 static QemuOptsList qemu_smp_opts = {
1154 .name = "smp-opts",
1155 .implied_opt_name = "cpus",
1156 .merge_lists = true,
1157 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1158 .desc = {
1159 {
1160 .name = "cpus",
1161 .type = QEMU_OPT_NUMBER,
1162 }, {
1163 .name = "sockets",
1164 .type = QEMU_OPT_NUMBER,
1165 }, {
1166 .name = "cores",
1167 .type = QEMU_OPT_NUMBER,
1168 }, {
1169 .name = "threads",
1170 .type = QEMU_OPT_NUMBER,
1171 }, {
1172 .name = "maxcpus",
1173 .type = QEMU_OPT_NUMBER,
1174 },
1175 { /*End of list */ }
1176 },
1177 };
1178
1179 static void smp_parse(QemuOpts *opts)
1180 {
1181 if (opts) {
1182
1183 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1184 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1185 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1186 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1187
1188 /* compute missing values, prefer sockets over cores over threads */
1189 if (cpus == 0 || sockets == 0) {
1190 sockets = sockets > 0 ? sockets : 1;
1191 cores = cores > 0 ? cores : 1;
1192 threads = threads > 0 ? threads : 1;
1193 if (cpus == 0) {
1194 cpus = cores * threads * sockets;
1195 }
1196 } else if (cores == 0) {
1197 threads = threads > 0 ? threads : 1;
1198 cores = cpus / (sockets * threads);
1199 } else if (threads == 0) {
1200 threads = cpus / (cores * sockets);
1201 } else if (sockets * cores * threads < cpus) {
1202 fprintf(stderr, "cpu topology: error: "
1203 "sockets (%u) * cores (%u) * threads (%u) < "
1204 "smp_cpus (%u)\n",
1205 sockets, cores, threads, cpus);
1206 exit(1);
1207 }
1208
1209 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1210
1211 smp_cpus = cpus;
1212 smp_cores = cores > 0 ? cores : 1;
1213 smp_threads = threads > 0 ? threads : 1;
1214
1215 }
1216
1217 if (max_cpus == 0) {
1218 max_cpus = smp_cpus;
1219 }
1220
1221 if (max_cpus > MAX_CPUMASK_BITS) {
1222 fprintf(stderr, "Unsupported number of maxcpus\n");
1223 exit(1);
1224 }
1225 if (max_cpus < smp_cpus) {
1226 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1227 exit(1);
1228 }
1229
1230 }
1231
1232 static void realtime_init(void)
1233 {
1234 if (enable_mlock) {
1235 if (os_mlock() < 0) {
1236 fprintf(stderr, "qemu: locking memory failed\n");
1237 exit(1);
1238 }
1239 }
1240 }
1241
1242
1243 static void configure_msg(QemuOpts *opts)
1244 {
1245 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1246 }
1247
1248 /***********************************************************/
1249 /* Semihosting */
1250
1251 typedef struct SemihostingConfig {
1252 bool enabled;
1253 SemihostingTarget target;
1254 const char **argv;
1255 int argc;
1256 const char *cmdline; /* concatenated argv */
1257 } SemihostingConfig;
1258
1259 static SemihostingConfig semihosting;
1260
1261 bool semihosting_enabled(void)
1262 {
1263 return semihosting.enabled;
1264 }
1265
1266 SemihostingTarget semihosting_get_target(void)
1267 {
1268 return semihosting.target;
1269 }
1270
1271 const char *semihosting_get_arg(int i)
1272 {
1273 if (i >= semihosting.argc) {
1274 return NULL;
1275 }
1276 return semihosting.argv[i];
1277 }
1278
1279 int semihosting_get_argc(void)
1280 {
1281 return semihosting.argc;
1282 }
1283
1284 const char *semihosting_get_cmdline(void)
1285 {
1286 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1287 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1288 }
1289 return semihosting.cmdline;
1290 }
1291
1292 static int add_semihosting_arg(void *opaque,
1293 const char *name, const char *val,
1294 Error **errp)
1295 {
1296 SemihostingConfig *s = opaque;
1297 if (strcmp(name, "arg") == 0) {
1298 s->argc++;
1299 /* one extra element as g_strjoinv() expects NULL-terminated array */
1300 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1301 s->argv[s->argc - 1] = val;
1302 s->argv[s->argc] = NULL;
1303 }
1304 return 0;
1305 }
1306
1307 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1308 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1309 {
1310 char *cmd_token;
1311
1312 /* argv[0] */
1313 add_semihosting_arg(&semihosting, "arg", file, NULL);
1314
1315 /* split -append and initialize argv[1..n] */
1316 cmd_token = strtok(g_strdup(cmd), " ");
1317 while (cmd_token) {
1318 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1319 cmd_token = strtok(NULL, " ");
1320 }
1321 }
1322
1323 /***********************************************************/
1324 /* USB devices */
1325
1326 static int usb_device_add(const char *devname)
1327 {
1328 USBDevice *dev = NULL;
1329 #ifndef CONFIG_LINUX
1330 const char *p;
1331 #endif
1332
1333 if (!usb_enabled()) {
1334 return -1;
1335 }
1336
1337 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1338 dev = usbdevice_create(devname);
1339 if (dev)
1340 goto done;
1341
1342 /* the other ones */
1343 #ifndef CONFIG_LINUX
1344 /* only the linux version is qdev-ified, usb-bsd still needs this */
1345 if (strstart(devname, "host:", &p)) {
1346 dev = usb_host_device_open(usb_bus_find(-1), p);
1347 }
1348 #endif
1349 if (!dev)
1350 return -1;
1351
1352 done:
1353 return 0;
1354 }
1355
1356 static int usb_device_del(const char *devname)
1357 {
1358 int bus_num, addr;
1359 const char *p;
1360
1361 if (strstart(devname, "host:", &p)) {
1362 return -1;
1363 }
1364
1365 if (!usb_enabled()) {
1366 return -1;
1367 }
1368
1369 p = strchr(devname, '.');
1370 if (!p)
1371 return -1;
1372 bus_num = strtoul(devname, NULL, 0);
1373 addr = strtoul(p + 1, NULL, 0);
1374
1375 return usb_device_delete_addr(bus_num, addr);
1376 }
1377
1378 static int usb_parse(const char *cmdline)
1379 {
1380 int r;
1381 r = usb_device_add(cmdline);
1382 if (r < 0) {
1383 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1384 }
1385 return r;
1386 }
1387
1388 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1389 {
1390 const char *devname = qdict_get_str(qdict, "devname");
1391 if (usb_device_add(devname) < 0) {
1392 error_report("could not add USB device '%s'", devname);
1393 }
1394 }
1395
1396 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1397 {
1398 const char *devname = qdict_get_str(qdict, "devname");
1399 if (usb_device_del(devname) < 0) {
1400 error_report("could not delete USB device '%s'", devname);
1401 }
1402 }
1403
1404 /***********************************************************/
1405 /* machine registration */
1406
1407 MachineState *current_machine;
1408
1409 /*
1410 * Transitional class registration/init used for converting from
1411 * legacy QEMUMachine to MachineClass.
1412 */
1413 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1414 {
1415 MachineClass *mc = MACHINE_CLASS(oc);
1416 QEMUMachine *qm = data;
1417 mc->name = qm->name;
1418 mc->desc = qm->desc;
1419 mc->init = qm->init;
1420 mc->kvm_type = qm->kvm_type;
1421 mc->block_default_type = qm->block_default_type;
1422 mc->max_cpus = qm->max_cpus;
1423 mc->no_sdcard = qm->no_sdcard;
1424 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1425 mc->is_default = qm->is_default;
1426 mc->default_machine_opts = qm->default_machine_opts;
1427 mc->default_boot_order = qm->default_boot_order;
1428 }
1429
1430 int qemu_register_machine(QEMUMachine *m)
1431 {
1432 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1433 TypeInfo ti = {
1434 .name = name,
1435 .parent = TYPE_MACHINE,
1436 .class_init = qemu_machine_class_init,
1437 .class_data = (void *)m,
1438 };
1439
1440 type_register(&ti);
1441 g_free(name);
1442
1443 return 0;
1444 }
1445
1446 static MachineClass *find_machine(const char *name)
1447 {
1448 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1449 MachineClass *mc = NULL;
1450
1451 for (el = machines; el; el = el->next) {
1452 MachineClass *temp = el->data;
1453
1454 if (!strcmp(temp->name, name)) {
1455 mc = temp;
1456 break;
1457 }
1458 if (temp->alias &&
1459 !strcmp(temp->alias, name)) {
1460 mc = temp;
1461 break;
1462 }
1463 }
1464
1465 g_slist_free(machines);
1466 return mc;
1467 }
1468
1469 MachineClass *find_default_machine(void)
1470 {
1471 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1472 MachineClass *mc = NULL;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *temp = el->data;
1476
1477 if (temp->is_default) {
1478 mc = temp;
1479 break;
1480 }
1481 }
1482
1483 g_slist_free(machines);
1484 return mc;
1485 }
1486
1487 MachineInfoList *qmp_query_machines(Error **errp)
1488 {
1489 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1490 MachineInfoList *mach_list = NULL;
1491
1492 for (el = machines; el; el = el->next) {
1493 MachineClass *mc = el->data;
1494 MachineInfoList *entry;
1495 MachineInfo *info;
1496
1497 info = g_malloc0(sizeof(*info));
1498 if (mc->is_default) {
1499 info->has_is_default = true;
1500 info->is_default = true;
1501 }
1502
1503 if (mc->alias) {
1504 info->has_alias = true;
1505 info->alias = g_strdup(mc->alias);
1506 }
1507
1508 info->name = g_strdup(mc->name);
1509 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1510
1511 entry = g_malloc0(sizeof(*entry));
1512 entry->value = info;
1513 entry->next = mach_list;
1514 mach_list = entry;
1515 }
1516
1517 g_slist_free(machines);
1518 return mach_list;
1519 }
1520
1521 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1522 {
1523 ObjectProperty *prop;
1524
1525 if (!qemu_opt_has_help_opt(opts)) {
1526 return 0;
1527 }
1528
1529 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1530 if (!prop->set) {
1531 continue;
1532 }
1533
1534 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1535 prop->name, prop->type);
1536 if (prop->description) {
1537 error_printf(" (%s)\n", prop->description);
1538 } else {
1539 error_printf("\n");
1540 }
1541 }
1542
1543 return 1;
1544 }
1545
1546 /***********************************************************/
1547 /* main execution loop */
1548
1549 struct vm_change_state_entry {
1550 VMChangeStateHandler *cb;
1551 void *opaque;
1552 QLIST_ENTRY (vm_change_state_entry) entries;
1553 };
1554
1555 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1556
1557 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1558 void *opaque)
1559 {
1560 VMChangeStateEntry *e;
1561
1562 e = g_malloc0(sizeof (*e));
1563
1564 e->cb = cb;
1565 e->opaque = opaque;
1566 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1567 return e;
1568 }
1569
1570 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1571 {
1572 QLIST_REMOVE (e, entries);
1573 g_free (e);
1574 }
1575
1576 void vm_state_notify(int running, RunState state)
1577 {
1578 VMChangeStateEntry *e, *next;
1579
1580 trace_vm_state_notify(running, state);
1581
1582 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1583 e->cb(e->opaque, running, state);
1584 }
1585 }
1586
1587 /* reset/shutdown handler */
1588
1589 typedef struct QEMUResetEntry {
1590 QTAILQ_ENTRY(QEMUResetEntry) entry;
1591 QEMUResetHandler *func;
1592 void *opaque;
1593 } QEMUResetEntry;
1594
1595 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1596 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1597 static int reset_requested;
1598 static int shutdown_requested, shutdown_signal = -1;
1599 static pid_t shutdown_pid;
1600 static int powerdown_requested;
1601 static int debug_requested;
1602 static int suspend_requested;
1603 static WakeupReason wakeup_reason;
1604 static NotifierList powerdown_notifiers =
1605 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1606 static NotifierList suspend_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1608 static NotifierList wakeup_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1610 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1611
1612 int qemu_shutdown_requested_get(void)
1613 {
1614 return shutdown_requested;
1615 }
1616
1617 int qemu_reset_requested_get(void)
1618 {
1619 return reset_requested;
1620 }
1621
1622 static int qemu_shutdown_requested(void)
1623 {
1624 return atomic_xchg(&shutdown_requested, 0);
1625 }
1626
1627 static void qemu_kill_report(void)
1628 {
1629 if (!qtest_driver() && shutdown_signal != -1) {
1630 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1631 if (shutdown_pid == 0) {
1632 /* This happens for eg ^C at the terminal, so it's worth
1633 * avoiding printing an odd message in that case.
1634 */
1635 fputc('\n', stderr);
1636 } else {
1637 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1638 }
1639 shutdown_signal = -1;
1640 }
1641 }
1642
1643 static int qemu_reset_requested(void)
1644 {
1645 int r = reset_requested;
1646 reset_requested = 0;
1647 return r;
1648 }
1649
1650 static int qemu_suspend_requested(void)
1651 {
1652 int r = suspend_requested;
1653 suspend_requested = 0;
1654 return r;
1655 }
1656
1657 static WakeupReason qemu_wakeup_requested(void)
1658 {
1659 return wakeup_reason;
1660 }
1661
1662 static int qemu_powerdown_requested(void)
1663 {
1664 int r = powerdown_requested;
1665 powerdown_requested = 0;
1666 return r;
1667 }
1668
1669 static int qemu_debug_requested(void)
1670 {
1671 int r = debug_requested;
1672 debug_requested = 0;
1673 return r;
1674 }
1675
1676 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1677 {
1678 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1679
1680 re->func = func;
1681 re->opaque = opaque;
1682 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1683 }
1684
1685 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1686 {
1687 QEMUResetEntry *re;
1688
1689 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1690 if (re->func == func && re->opaque == opaque) {
1691 QTAILQ_REMOVE(&reset_handlers, re, entry);
1692 g_free(re);
1693 return;
1694 }
1695 }
1696 }
1697
1698 void qemu_devices_reset(void)
1699 {
1700 QEMUResetEntry *re, *nre;
1701
1702 /* reset all devices */
1703 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1704 re->func(re->opaque);
1705 }
1706 }
1707
1708 void qemu_system_reset(bool report)
1709 {
1710 MachineClass *mc;
1711
1712 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1713
1714 if (mc && mc->reset) {
1715 mc->reset();
1716 } else {
1717 qemu_devices_reset();
1718 }
1719 if (report) {
1720 qapi_event_send_reset(&error_abort);
1721 }
1722 cpu_synchronize_all_post_reset();
1723 }
1724
1725 void qemu_system_reset_request(void)
1726 {
1727 if (no_reboot) {
1728 shutdown_requested = 1;
1729 } else {
1730 reset_requested = 1;
1731 }
1732 cpu_stop_current();
1733 qemu_notify_event();
1734 }
1735
1736 static void qemu_system_suspend(void)
1737 {
1738 pause_all_vcpus();
1739 notifier_list_notify(&suspend_notifiers, NULL);
1740 runstate_set(RUN_STATE_SUSPENDED);
1741 qapi_event_send_suspend(&error_abort);
1742 }
1743
1744 void qemu_system_suspend_request(void)
1745 {
1746 if (runstate_check(RUN_STATE_SUSPENDED)) {
1747 return;
1748 }
1749 suspend_requested = 1;
1750 cpu_stop_current();
1751 qemu_notify_event();
1752 }
1753
1754 void qemu_register_suspend_notifier(Notifier *notifier)
1755 {
1756 notifier_list_add(&suspend_notifiers, notifier);
1757 }
1758
1759 void qemu_system_wakeup_request(WakeupReason reason)
1760 {
1761 trace_system_wakeup_request(reason);
1762
1763 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1764 return;
1765 }
1766 if (!(wakeup_reason_mask & (1 << reason))) {
1767 return;
1768 }
1769 runstate_set(RUN_STATE_RUNNING);
1770 wakeup_reason = reason;
1771 qemu_notify_event();
1772 }
1773
1774 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1775 {
1776 if (enabled) {
1777 wakeup_reason_mask |= (1 << reason);
1778 } else {
1779 wakeup_reason_mask &= ~(1 << reason);
1780 }
1781 }
1782
1783 void qemu_register_wakeup_notifier(Notifier *notifier)
1784 {
1785 notifier_list_add(&wakeup_notifiers, notifier);
1786 }
1787
1788 void qemu_system_killed(int signal, pid_t pid)
1789 {
1790 shutdown_signal = signal;
1791 shutdown_pid = pid;
1792 no_shutdown = 0;
1793 qemu_system_shutdown_request();
1794 }
1795
1796 void qemu_system_shutdown_request(void)
1797 {
1798 trace_qemu_system_shutdown_request();
1799 shutdown_requested = 1;
1800 qemu_notify_event();
1801 }
1802
1803 static void qemu_system_powerdown(void)
1804 {
1805 qapi_event_send_powerdown(&error_abort);
1806 notifier_list_notify(&powerdown_notifiers, NULL);
1807 }
1808
1809 void qemu_system_powerdown_request(void)
1810 {
1811 trace_qemu_system_powerdown_request();
1812 powerdown_requested = 1;
1813 qemu_notify_event();
1814 }
1815
1816 void qemu_register_powerdown_notifier(Notifier *notifier)
1817 {
1818 notifier_list_add(&powerdown_notifiers, notifier);
1819 }
1820
1821 void qemu_system_debug_request(void)
1822 {
1823 debug_requested = 1;
1824 qemu_notify_event();
1825 }
1826
1827 static bool main_loop_should_exit(void)
1828 {
1829 RunState r;
1830 if (qemu_debug_requested()) {
1831 vm_stop(RUN_STATE_DEBUG);
1832 }
1833 if (qemu_suspend_requested()) {
1834 qemu_system_suspend();
1835 }
1836 if (qemu_shutdown_requested()) {
1837 qemu_kill_report();
1838 qapi_event_send_shutdown(&error_abort);
1839 if (no_shutdown) {
1840 vm_stop(RUN_STATE_SHUTDOWN);
1841 } else {
1842 return true;
1843 }
1844 }
1845 if (qemu_reset_requested()) {
1846 pause_all_vcpus();
1847 cpu_synchronize_all_states();
1848 qemu_system_reset(VMRESET_REPORT);
1849 resume_all_vcpus();
1850 if (runstate_needs_reset()) {
1851 runstate_set(RUN_STATE_PAUSED);
1852 }
1853 }
1854 if (qemu_wakeup_requested()) {
1855 pause_all_vcpus();
1856 cpu_synchronize_all_states();
1857 qemu_system_reset(VMRESET_SILENT);
1858 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1859 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1860 resume_all_vcpus();
1861 qapi_event_send_wakeup(&error_abort);
1862 }
1863 if (qemu_powerdown_requested()) {
1864 qemu_system_powerdown();
1865 }
1866 if (qemu_vmstop_requested(&r)) {
1867 vm_stop(r);
1868 }
1869 return false;
1870 }
1871
1872 static void main_loop(void)
1873 {
1874 bool nonblocking;
1875 int last_io = 0;
1876 #ifdef CONFIG_PROFILER
1877 int64_t ti;
1878 #endif
1879 do {
1880 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1881 #ifdef CONFIG_PROFILER
1882 ti = profile_getclock();
1883 #endif
1884 last_io = main_loop_wait(nonblocking);
1885 #ifdef CONFIG_PROFILER
1886 dev_time += profile_getclock() - ti;
1887 #endif
1888 } while (!main_loop_should_exit());
1889 }
1890
1891 static void version(void)
1892 {
1893 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1894 }
1895
1896 static void help(int exitcode)
1897 {
1898 version();
1899 printf("usage: %s [options] [disk_image]\n\n"
1900 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1901 error_get_progname());
1902
1903 #define QEMU_OPTIONS_GENERATE_HELP
1904 #include "qemu-options-wrapper.h"
1905
1906 printf("\nDuring emulation, the following keys are useful:\n"
1907 "ctrl-alt-f toggle full screen\n"
1908 "ctrl-alt-n switch to virtual console 'n'\n"
1909 "ctrl-alt toggle mouse and keyboard grab\n"
1910 "\n"
1911 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1912
1913 exit(exitcode);
1914 }
1915
1916 #define HAS_ARG 0x0001
1917
1918 typedef struct QEMUOption {
1919 const char *name;
1920 int flags;
1921 int index;
1922 uint32_t arch_mask;
1923 } QEMUOption;
1924
1925 static const QEMUOption qemu_options[] = {
1926 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1927 #define QEMU_OPTIONS_GENERATE_OPTIONS
1928 #include "qemu-options-wrapper.h"
1929 { NULL },
1930 };
1931
1932 static bool vga_available(void)
1933 {
1934 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1935 }
1936
1937 static bool cirrus_vga_available(void)
1938 {
1939 return object_class_by_name("cirrus-vga")
1940 || object_class_by_name("isa-cirrus-vga");
1941 }
1942
1943 static bool vmware_vga_available(void)
1944 {
1945 return object_class_by_name("vmware-svga");
1946 }
1947
1948 static bool qxl_vga_available(void)
1949 {
1950 return object_class_by_name("qxl-vga");
1951 }
1952
1953 static bool tcx_vga_available(void)
1954 {
1955 return object_class_by_name("SUNW,tcx");
1956 }
1957
1958 static bool cg3_vga_available(void)
1959 {
1960 return object_class_by_name("cgthree");
1961 }
1962
1963 static bool virtio_vga_available(void)
1964 {
1965 return object_class_by_name("virtio-vga");
1966 }
1967
1968 static void select_vgahw (const char *p)
1969 {
1970 const char *opts;
1971
1972 assert(vga_interface_type == VGA_NONE);
1973 if (strstart(p, "std", &opts)) {
1974 if (vga_available()) {
1975 vga_interface_type = VGA_STD;
1976 } else {
1977 fprintf(stderr, "Error: standard VGA not available\n");
1978 exit(0);
1979 }
1980 } else if (strstart(p, "cirrus", &opts)) {
1981 if (cirrus_vga_available()) {
1982 vga_interface_type = VGA_CIRRUS;
1983 } else {
1984 fprintf(stderr, "Error: Cirrus VGA not available\n");
1985 exit(0);
1986 }
1987 } else if (strstart(p, "vmware", &opts)) {
1988 if (vmware_vga_available()) {
1989 vga_interface_type = VGA_VMWARE;
1990 } else {
1991 fprintf(stderr, "Error: VMWare SVGA not available\n");
1992 exit(0);
1993 }
1994 } else if (strstart(p, "virtio", &opts)) {
1995 if (virtio_vga_available()) {
1996 vga_interface_type = VGA_VIRTIO;
1997 } else {
1998 fprintf(stderr, "Error: Virtio VGA not available\n");
1999 exit(0);
2000 }
2001 } else if (strstart(p, "xenfb", &opts)) {
2002 vga_interface_type = VGA_XENFB;
2003 } else if (strstart(p, "qxl", &opts)) {
2004 if (qxl_vga_available()) {
2005 vga_interface_type = VGA_QXL;
2006 } else {
2007 fprintf(stderr, "Error: QXL VGA not available\n");
2008 exit(0);
2009 }
2010 } else if (strstart(p, "tcx", &opts)) {
2011 if (tcx_vga_available()) {
2012 vga_interface_type = VGA_TCX;
2013 } else {
2014 fprintf(stderr, "Error: TCX framebuffer not available\n");
2015 exit(0);
2016 }
2017 } else if (strstart(p, "cg3", &opts)) {
2018 if (cg3_vga_available()) {
2019 vga_interface_type = VGA_CG3;
2020 } else {
2021 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2022 exit(0);
2023 }
2024 } else if (!strstart(p, "none", &opts)) {
2025 invalid_vga:
2026 fprintf(stderr, "Unknown vga type: %s\n", p);
2027 exit(1);
2028 }
2029 while (*opts) {
2030 const char *nextopt;
2031
2032 if (strstart(opts, ",retrace=", &nextopt)) {
2033 opts = nextopt;
2034 if (strstart(opts, "dumb", &nextopt))
2035 vga_retrace_method = VGA_RETRACE_DUMB;
2036 else if (strstart(opts, "precise", &nextopt))
2037 vga_retrace_method = VGA_RETRACE_PRECISE;
2038 else goto invalid_vga;
2039 } else goto invalid_vga;
2040 opts = nextopt;
2041 }
2042 }
2043
2044 static DisplayType select_display(const char *p)
2045 {
2046 Error *err = NULL;
2047 const char *opts;
2048 DisplayType display = DT_DEFAULT;
2049
2050 if (strstart(p, "sdl", &opts)) {
2051 #ifdef CONFIG_SDL
2052 display = DT_SDL;
2053 while (*opts) {
2054 const char *nextopt;
2055
2056 if (strstart(opts, ",frame=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 no_frame = 0;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 no_frame = 1;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2066 opts = nextopt;
2067 if (strstart(opts, "on", &nextopt)) {
2068 alt_grab = 1;
2069 } else if (strstart(opts, "off", &nextopt)) {
2070 alt_grab = 0;
2071 } else {
2072 goto invalid_sdl_args;
2073 }
2074 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2075 opts = nextopt;
2076 if (strstart(opts, "on", &nextopt)) {
2077 ctrl_grab = 1;
2078 } else if (strstart(opts, "off", &nextopt)) {
2079 ctrl_grab = 0;
2080 } else {
2081 goto invalid_sdl_args;
2082 }
2083 } else if (strstart(opts, ",window_close=", &nextopt)) {
2084 opts = nextopt;
2085 if (strstart(opts, "on", &nextopt)) {
2086 no_quit = 0;
2087 } else if (strstart(opts, "off", &nextopt)) {
2088 no_quit = 1;
2089 } else {
2090 goto invalid_sdl_args;
2091 }
2092 } else if (strstart(opts, ",gl=", &nextopt)) {
2093 opts = nextopt;
2094 if (strstart(opts, "on", &nextopt)) {
2095 request_opengl = 1;
2096 } else if (strstart(opts, "off", &nextopt)) {
2097 request_opengl = 0;
2098 } else {
2099 goto invalid_sdl_args;
2100 }
2101 } else {
2102 invalid_sdl_args:
2103 error_report("Invalid SDL option string");
2104 exit(1);
2105 }
2106 opts = nextopt;
2107 }
2108 #else
2109 error_report("SDL support is disabled");
2110 exit(1);
2111 #endif
2112 } else if (strstart(p, "vnc", &opts)) {
2113 #ifdef CONFIG_VNC
2114 if (*opts == '=') {
2115 if (vnc_parse(opts + 1, &err) == NULL) {
2116 error_report_err(err);
2117 exit(1);
2118 }
2119 } else {
2120 error_report("VNC requires a display argument vnc=<display>");
2121 exit(1);
2122 }
2123 #else
2124 error_report("VNC support is disabled");
2125 exit(1);
2126 #endif
2127 } else if (strstart(p, "curses", &opts)) {
2128 #ifdef CONFIG_CURSES
2129 display = DT_CURSES;
2130 #else
2131 error_report("Curses support is disabled");
2132 exit(1);
2133 #endif
2134 } else if (strstart(p, "gtk", &opts)) {
2135 #ifdef CONFIG_GTK
2136 display = DT_GTK;
2137 while (*opts) {
2138 const char *nextopt;
2139
2140 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2141 opts = nextopt;
2142 if (strstart(opts, "on", &nextopt)) {
2143 grab_on_hover = true;
2144 } else if (strstart(opts, "off", &nextopt)) {
2145 grab_on_hover = false;
2146 } else {
2147 goto invalid_gtk_args;
2148 }
2149 } else if (strstart(opts, ",gl=", &nextopt)) {
2150 opts = nextopt;
2151 if (strstart(opts, "on", &nextopt)) {
2152 request_opengl = 1;
2153 } else if (strstart(opts, "off", &nextopt)) {
2154 request_opengl = 0;
2155 } else {
2156 goto invalid_gtk_args;
2157 }
2158 } else {
2159 invalid_gtk_args:
2160 error_report("Invalid GTK option string");
2161 exit(1);
2162 }
2163 opts = nextopt;
2164 }
2165 #else
2166 error_report("GTK support is disabled");
2167 exit(1);
2168 #endif
2169 } else if (strstart(p, "none", &opts)) {
2170 display = DT_NONE;
2171 } else {
2172 error_report("Unknown display type");
2173 exit(1);
2174 }
2175
2176 return display;
2177 }
2178
2179 static int balloon_parse(const char *arg)
2180 {
2181 QemuOpts *opts;
2182
2183 if (strcmp(arg, "none") == 0) {
2184 return 0;
2185 }
2186
2187 if (!strncmp(arg, "virtio", 6)) {
2188 if (arg[6] == ',') {
2189 /* have params -> parse them */
2190 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2191 false);
2192 if (!opts)
2193 return -1;
2194 } else {
2195 /* create empty opts */
2196 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2197 &error_abort);
2198 }
2199 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2200 return 0;
2201 }
2202
2203 return -1;
2204 }
2205
2206 char *qemu_find_file(int type, const char *name)
2207 {
2208 int i;
2209 const char *subdir;
2210 char *buf;
2211
2212 /* Try the name as a straight path first */
2213 if (access(name, R_OK) == 0) {
2214 trace_load_file(name, name);
2215 return g_strdup(name);
2216 }
2217
2218 switch (type) {
2219 case QEMU_FILE_TYPE_BIOS:
2220 subdir = "";
2221 break;
2222 case QEMU_FILE_TYPE_KEYMAP:
2223 subdir = "keymaps/";
2224 break;
2225 default:
2226 abort();
2227 }
2228
2229 for (i = 0; i < data_dir_idx; i++) {
2230 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2231 if (access(buf, R_OK) == 0) {
2232 trace_load_file(name, buf);
2233 return buf;
2234 }
2235 g_free(buf);
2236 }
2237 return NULL;
2238 }
2239
2240 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2241 {
2242 gchar *buf;
2243 size_t size;
2244 const char *name, *file;
2245
2246 if (opaque == NULL) {
2247 error_report("fw_cfg device not available");
2248 return -1;
2249 }
2250 name = qemu_opt_get(opts, "name");
2251 file = qemu_opt_get(opts, "file");
2252 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2253 error_report("invalid argument value");
2254 return -1;
2255 }
2256 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2257 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2258 return -1;
2259 }
2260 if (strncmp(name, "opt/", 4) != 0) {
2261 error_report("WARNING: externally provided fw_cfg item names "
2262 "should be prefixed with \"opt/\"!");
2263 }
2264 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2265 error_report("can't load %s", file);
2266 return -1;
2267 }
2268 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2269 return 0;
2270 }
2271
2272 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2273 {
2274 return qdev_device_help(opts);
2275 }
2276
2277 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2278 {
2279 Error *err = NULL;
2280 DeviceState *dev;
2281
2282 dev = qdev_device_add(opts, &err);
2283 if (!dev) {
2284 error_report_err(err);
2285 return -1;
2286 }
2287 object_unref(OBJECT(dev));
2288 return 0;
2289 }
2290
2291 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2292 {
2293 Error *local_err = NULL;
2294
2295 qemu_chr_new_from_opts(opts, NULL, &local_err);
2296 if (local_err) {
2297 error_report_err(local_err);
2298 return -1;
2299 }
2300 return 0;
2301 }
2302
2303 #ifdef CONFIG_VIRTFS
2304 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2305 {
2306 int ret;
2307 ret = qemu_fsdev_add(opts);
2308
2309 return ret;
2310 }
2311 #endif
2312
2313 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2314 {
2315 CharDriverState *chr;
2316 const char *chardev;
2317 const char *mode;
2318 int flags;
2319
2320 mode = qemu_opt_get(opts, "mode");
2321 if (mode == NULL) {
2322 mode = "readline";
2323 }
2324 if (strcmp(mode, "readline") == 0) {
2325 flags = MONITOR_USE_READLINE;
2326 } else if (strcmp(mode, "control") == 0) {
2327 flags = MONITOR_USE_CONTROL;
2328 } else {
2329 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2330 exit(1);
2331 }
2332
2333 if (qemu_opt_get_bool(opts, "pretty", 0))
2334 flags |= MONITOR_USE_PRETTY;
2335
2336 if (qemu_opt_get_bool(opts, "default", 0))
2337 flags |= MONITOR_IS_DEFAULT;
2338
2339 chardev = qemu_opt_get(opts, "chardev");
2340 chr = qemu_chr_find(chardev);
2341 if (chr == NULL) {
2342 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2343 exit(1);
2344 }
2345
2346 qemu_chr_fe_claim_no_fail(chr);
2347 monitor_init(chr, flags);
2348 return 0;
2349 }
2350
2351 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2352 {
2353 static int monitor_device_index = 0;
2354 Error *local_err = NULL;
2355 QemuOpts *opts;
2356 const char *p;
2357 char label[32];
2358 int def = 0;
2359
2360 if (strstart(optarg, "chardev:", &p)) {
2361 snprintf(label, sizeof(label), "%s", p);
2362 } else {
2363 snprintf(label, sizeof(label), "compat_monitor%d",
2364 monitor_device_index);
2365 if (monitor_device_index == 0) {
2366 def = 1;
2367 }
2368 opts = qemu_chr_parse_compat(label, optarg);
2369 if (!opts) {
2370 fprintf(stderr, "parse error: %s\n", optarg);
2371 exit(1);
2372 }
2373 }
2374
2375 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2376 if (!opts) {
2377 error_report_err(local_err);
2378 exit(1);
2379 }
2380 qemu_opt_set(opts, "mode", mode, &error_abort);
2381 qemu_opt_set(opts, "chardev", label, &error_abort);
2382 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2383 if (def)
2384 qemu_opt_set(opts, "default", "on", &error_abort);
2385 monitor_device_index++;
2386 }
2387
2388 struct device_config {
2389 enum {
2390 DEV_USB, /* -usbdevice */
2391 DEV_BT, /* -bt */
2392 DEV_SERIAL, /* -serial */
2393 DEV_PARALLEL, /* -parallel */
2394 DEV_VIRTCON, /* -virtioconsole */
2395 DEV_DEBUGCON, /* -debugcon */
2396 DEV_GDB, /* -gdb, -s */
2397 DEV_SCLP, /* s390 sclp */
2398 } type;
2399 const char *cmdline;
2400 Location loc;
2401 QTAILQ_ENTRY(device_config) next;
2402 };
2403
2404 static QTAILQ_HEAD(, device_config) device_configs =
2405 QTAILQ_HEAD_INITIALIZER(device_configs);
2406
2407 static void add_device_config(int type, const char *cmdline)
2408 {
2409 struct device_config *conf;
2410
2411 conf = g_malloc0(sizeof(*conf));
2412 conf->type = type;
2413 conf->cmdline = cmdline;
2414 loc_save(&conf->loc);
2415 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2416 }
2417
2418 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2419 {
2420 struct device_config *conf;
2421 int rc;
2422
2423 QTAILQ_FOREACH(conf, &device_configs, next) {
2424 if (conf->type != type)
2425 continue;
2426 loc_push_restore(&conf->loc);
2427 rc = func(conf->cmdline);
2428 loc_pop(&conf->loc);
2429 if (rc) {
2430 return rc;
2431 }
2432 }
2433 return 0;
2434 }
2435
2436 static int serial_parse(const char *devname)
2437 {
2438 static int index = 0;
2439 char label[32];
2440
2441 if (strcmp(devname, "none") == 0)
2442 return 0;
2443 if (index == MAX_SERIAL_PORTS) {
2444 fprintf(stderr, "qemu: too many serial ports\n");
2445 exit(1);
2446 }
2447 snprintf(label, sizeof(label), "serial%d", index);
2448 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2449 if (!serial_hds[index]) {
2450 fprintf(stderr, "qemu: could not connect serial device"
2451 " to character backend '%s'\n", devname);
2452 return -1;
2453 }
2454 index++;
2455 return 0;
2456 }
2457
2458 static int parallel_parse(const char *devname)
2459 {
2460 static int index = 0;
2461 char label[32];
2462
2463 if (strcmp(devname, "none") == 0)
2464 return 0;
2465 if (index == MAX_PARALLEL_PORTS) {
2466 fprintf(stderr, "qemu: too many parallel ports\n");
2467 exit(1);
2468 }
2469 snprintf(label, sizeof(label), "parallel%d", index);
2470 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2471 if (!parallel_hds[index]) {
2472 fprintf(stderr, "qemu: could not connect parallel device"
2473 " to character backend '%s'\n", devname);
2474 return -1;
2475 }
2476 index++;
2477 return 0;
2478 }
2479
2480 static int virtcon_parse(const char *devname)
2481 {
2482 QemuOptsList *device = qemu_find_opts("device");
2483 static int index = 0;
2484 char label[32];
2485 QemuOpts *bus_opts, *dev_opts;
2486
2487 if (strcmp(devname, "none") == 0)
2488 return 0;
2489 if (index == MAX_VIRTIO_CONSOLES) {
2490 fprintf(stderr, "qemu: too many virtio consoles\n");
2491 exit(1);
2492 }
2493
2494 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2495 if (arch_type == QEMU_ARCH_S390X) {
2496 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2497 } else {
2498 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2499 }
2500
2501 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2502 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2503
2504 snprintf(label, sizeof(label), "virtcon%d", index);
2505 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2506 if (!virtcon_hds[index]) {
2507 fprintf(stderr, "qemu: could not connect virtio console"
2508 " to character backend '%s'\n", devname);
2509 return -1;
2510 }
2511 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2512
2513 index++;
2514 return 0;
2515 }
2516
2517 static int sclp_parse(const char *devname)
2518 {
2519 QemuOptsList *device = qemu_find_opts("device");
2520 static int index = 0;
2521 char label[32];
2522 QemuOpts *dev_opts;
2523
2524 if (strcmp(devname, "none") == 0) {
2525 return 0;
2526 }
2527 if (index == MAX_SCLP_CONSOLES) {
2528 fprintf(stderr, "qemu: too many sclp consoles\n");
2529 exit(1);
2530 }
2531
2532 assert(arch_type == QEMU_ARCH_S390X);
2533
2534 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2535 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2536
2537 snprintf(label, sizeof(label), "sclpcon%d", index);
2538 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2539 if (!sclp_hds[index]) {
2540 fprintf(stderr, "qemu: could not connect sclp console"
2541 " to character backend '%s'\n", devname);
2542 return -1;
2543 }
2544 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2545
2546 index++;
2547 return 0;
2548 }
2549
2550 static int debugcon_parse(const char *devname)
2551 {
2552 QemuOpts *opts;
2553
2554 if (!qemu_chr_new("debugcon", devname, NULL)) {
2555 exit(1);
2556 }
2557 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2558 if (!opts) {
2559 fprintf(stderr, "qemu: already have a debugcon device\n");
2560 exit(1);
2561 }
2562 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2563 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2564 return 0;
2565 }
2566
2567 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2568 {
2569 const MachineClass *mc1 = a, *mc2 = b;
2570 int res;
2571
2572 if (mc1->family == NULL) {
2573 if (mc2->family == NULL) {
2574 /* Compare standalone machine types against each other; they sort
2575 * in increasing order.
2576 */
2577 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2578 object_class_get_name(OBJECT_CLASS(mc2)));
2579 }
2580
2581 /* Standalone machine types sort after families. */
2582 return 1;
2583 }
2584
2585 if (mc2->family == NULL) {
2586 /* Families sort before standalone machine types. */
2587 return -1;
2588 }
2589
2590 /* Families sort between each other alphabetically increasingly. */
2591 res = strcmp(mc1->family, mc2->family);
2592 if (res != 0) {
2593 return res;
2594 }
2595
2596 /* Within the same family, machine types sort in decreasing order. */
2597 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2598 object_class_get_name(OBJECT_CLASS(mc1)));
2599 }
2600
2601 static MachineClass *machine_parse(const char *name)
2602 {
2603 MachineClass *mc = NULL;
2604 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2605
2606 if (name) {
2607 mc = find_machine(name);
2608 }
2609 if (mc) {
2610 g_slist_free(machines);
2611 return mc;
2612 }
2613 if (name && !is_help_option(name)) {
2614 error_report("Unsupported machine type");
2615 error_printf("Use -machine help to list supported machines!\n");
2616 } else {
2617 printf("Supported machines are:\n");
2618 machines = g_slist_sort(machines, machine_class_cmp);
2619 for (el = machines; el; el = el->next) {
2620 MachineClass *mc = el->data;
2621 if (mc->alias) {
2622 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2623 }
2624 printf("%-20s %s%s\n", mc->name, mc->desc,
2625 mc->is_default ? " (default)" : "");
2626 }
2627 }
2628
2629 g_slist_free(machines);
2630 exit(!name || !is_help_option(name));
2631 }
2632
2633 void qemu_add_exit_notifier(Notifier *notify)
2634 {
2635 notifier_list_add(&exit_notifiers, notify);
2636 }
2637
2638 void qemu_remove_exit_notifier(Notifier *notify)
2639 {
2640 notifier_remove(notify);
2641 }
2642
2643 static void qemu_run_exit_notifiers(void)
2644 {
2645 notifier_list_notify(&exit_notifiers, NULL);
2646 }
2647
2648 static bool machine_init_done;
2649
2650 void qemu_add_machine_init_done_notifier(Notifier *notify)
2651 {
2652 notifier_list_add(&machine_init_done_notifiers, notify);
2653 if (machine_init_done) {
2654 notify->notify(notify, NULL);
2655 }
2656 }
2657
2658 static void qemu_run_machine_init_done_notifiers(void)
2659 {
2660 notifier_list_notify(&machine_init_done_notifiers, NULL);
2661 machine_init_done = true;
2662 }
2663
2664 static const QEMUOption *lookup_opt(int argc, char **argv,
2665 const char **poptarg, int *poptind)
2666 {
2667 const QEMUOption *popt;
2668 int optind = *poptind;
2669 char *r = argv[optind];
2670 const char *optarg;
2671
2672 loc_set_cmdline(argv, optind, 1);
2673 optind++;
2674 /* Treat --foo the same as -foo. */
2675 if (r[1] == '-')
2676 r++;
2677 popt = qemu_options;
2678 for(;;) {
2679 if (!popt->name) {
2680 error_report("invalid option");
2681 exit(1);
2682 }
2683 if (!strcmp(popt->name, r + 1))
2684 break;
2685 popt++;
2686 }
2687 if (popt->flags & HAS_ARG) {
2688 if (optind >= argc) {
2689 error_report("requires an argument");
2690 exit(1);
2691 }
2692 optarg = argv[optind++];
2693 loc_set_cmdline(argv, optind - 2, 2);
2694 } else {
2695 optarg = NULL;
2696 }
2697
2698 *poptarg = optarg;
2699 *poptind = optind;
2700
2701 return popt;
2702 }
2703
2704 static gpointer malloc_and_trace(gsize n_bytes)
2705 {
2706 void *ptr = malloc(n_bytes);
2707 trace_g_malloc(n_bytes, ptr);
2708 return ptr;
2709 }
2710
2711 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2712 {
2713 void *ptr = realloc(mem, n_bytes);
2714 trace_g_realloc(mem, n_bytes, ptr);
2715 return ptr;
2716 }
2717
2718 static void free_and_trace(gpointer mem)
2719 {
2720 trace_g_free(mem);
2721 free(mem);
2722 }
2723
2724 static int machine_set_property(void *opaque,
2725 const char *name, const char *value,
2726 Error **errp)
2727 {
2728 Object *obj = OBJECT(opaque);
2729 Error *local_err = NULL;
2730 char *c, *qom_name;
2731
2732 if (strcmp(name, "type") == 0) {
2733 return 0;
2734 }
2735
2736 qom_name = g_strdup(name);
2737 c = qom_name;
2738 while (*c++) {
2739 if (*c == '_') {
2740 *c = '-';
2741 }
2742 }
2743
2744 object_property_parse(obj, value, qom_name, &local_err);
2745 g_free(qom_name);
2746
2747 if (local_err) {
2748 error_report_err(local_err);
2749 return -1;
2750 }
2751
2752 return 0;
2753 }
2754
2755
2756 /*
2757 * Initial object creation happens before all other
2758 * QEMU data types are created. The majority of objects
2759 * can be created at this point. The rng-egd object
2760 * cannot be created here, as it depends on the chardev
2761 * already existing.
2762 */
2763 static bool object_create_initial(const char *type)
2764 {
2765 if (g_str_equal(type, "rng-egd")) {
2766 return false;
2767 }
2768 return true;
2769 }
2770
2771
2772 /*
2773 * The remainder of object creation happens after the
2774 * creation of chardev, fsdev and device data types.
2775 */
2776 static bool object_create_delayed(const char *type)
2777 {
2778 return !object_create_initial(type);
2779 }
2780
2781
2782 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2783 {
2784 Error *err = NULL;
2785 char *type = NULL;
2786 char *id = NULL;
2787 void *dummy = NULL;
2788 OptsVisitor *ov;
2789 QDict *pdict;
2790 bool (*type_predicate)(const char *) = opaque;
2791
2792 ov = opts_visitor_new(opts);
2793 pdict = qemu_opts_to_qdict(opts, NULL);
2794
2795 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2796 if (err) {
2797 goto out;
2798 }
2799
2800 qdict_del(pdict, "qom-type");
2801 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2802 if (err) {
2803 goto out;
2804 }
2805 if (!type_predicate(type)) {
2806 goto out;
2807 }
2808
2809 qdict_del(pdict, "id");
2810 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2811 if (err) {
2812 goto out;
2813 }
2814
2815 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2816 if (err) {
2817 goto out;
2818 }
2819 visit_end_struct(opts_get_visitor(ov), &err);
2820 if (err) {
2821 qmp_object_del(id, NULL);
2822 }
2823
2824 out:
2825 opts_visitor_cleanup(ov);
2826
2827 QDECREF(pdict);
2828 g_free(id);
2829 g_free(type);
2830 g_free(dummy);
2831 if (err) {
2832 error_report_err(err);
2833 return -1;
2834 }
2835 return 0;
2836 }
2837
2838 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2839 MachineClass *mc)
2840 {
2841 uint64_t sz;
2842 const char *mem_str;
2843 const char *maxmem_str, *slots_str;
2844 const ram_addr_t default_ram_size = mc->default_ram_size;
2845 QemuOpts *opts = qemu_find_opts_singleton("memory");
2846
2847 sz = 0;
2848 mem_str = qemu_opt_get(opts, "size");
2849 if (mem_str) {
2850 if (!*mem_str) {
2851 error_report("missing 'size' option value");
2852 exit(EXIT_FAILURE);
2853 }
2854
2855 sz = qemu_opt_get_size(opts, "size", ram_size);
2856
2857 /* Fix up legacy suffix-less format */
2858 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2859 uint64_t overflow_check = sz;
2860
2861 sz <<= 20;
2862 if ((sz >> 20) != overflow_check) {
2863 error_report("too large 'size' option value");
2864 exit(EXIT_FAILURE);
2865 }
2866 }
2867 }
2868
2869 /* backward compatibility behaviour for case "-m 0" */
2870 if (sz == 0) {
2871 sz = default_ram_size;
2872 }
2873
2874 sz = QEMU_ALIGN_UP(sz, 8192);
2875 ram_size = sz;
2876 if (ram_size != sz) {
2877 error_report("ram size too large");
2878 exit(EXIT_FAILURE);
2879 }
2880
2881 /* store value for the future use */
2882 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2883 *maxram_size = ram_size;
2884
2885 maxmem_str = qemu_opt_get(opts, "maxmem");
2886 slots_str = qemu_opt_get(opts, "slots");
2887 if (maxmem_str && slots_str) {
2888 uint64_t slots;
2889
2890 sz = qemu_opt_get_size(opts, "maxmem", 0);
2891 slots = qemu_opt_get_number(opts, "slots", 0);
2892 if (sz < ram_size) {
2893 error_report("invalid value of -m option maxmem: "
2894 "maximum memory size (0x%" PRIx64 ") must be at least "
2895 "the initial memory size (0x" RAM_ADDR_FMT ")",
2896 sz, ram_size);
2897 exit(EXIT_FAILURE);
2898 } else if (sz > ram_size) {
2899 if (!slots) {
2900 error_report("invalid value of -m option: maxmem was "
2901 "specified, but no hotplug slots were specified");
2902 exit(EXIT_FAILURE);
2903 }
2904 } else if (slots) {
2905 error_report("invalid value of -m option maxmem: "
2906 "memory slots were specified but maximum memory size "
2907 "(0x%" PRIx64 ") is equal to the initial memory size "
2908 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2909 exit(EXIT_FAILURE);
2910 }
2911
2912 *maxram_size = sz;
2913 *ram_slots = slots;
2914 } else if ((!maxmem_str && slots_str) ||
2915 (maxmem_str && !slots_str)) {
2916 error_report("invalid -m option value: missing "
2917 "'%s' option", slots_str ? "maxmem" : "slots");
2918 exit(EXIT_FAILURE);
2919 }
2920 }
2921
2922 int main(int argc, char **argv, char **envp)
2923 {
2924 int i;
2925 int snapshot, linux_boot;
2926 const char *initrd_filename;
2927 const char *kernel_filename, *kernel_cmdline;
2928 const char *boot_order = NULL;
2929 const char *boot_once = NULL;
2930 DisplayState *ds;
2931 int cyls, heads, secs, translation;
2932 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2933 QemuOptsList *olist;
2934 int optind;
2935 const char *optarg;
2936 const char *loadvm = NULL;
2937 MachineClass *machine_class;
2938 const char *cpu_model;
2939 const char *vga_model = NULL;
2940 const char *qtest_chrdev = NULL;
2941 const char *qtest_log = NULL;
2942 const char *pid_file = NULL;
2943 const char *incoming = NULL;
2944 #ifdef CONFIG_VNC
2945 int show_vnc_port = 0;
2946 #endif
2947 bool defconfig = true;
2948 bool userconfig = true;
2949 const char *log_mask = NULL;
2950 const char *log_file = NULL;
2951 GMemVTable mem_trace = {
2952 .malloc = malloc_and_trace,
2953 .realloc = realloc_and_trace,
2954 .free = free_and_trace,
2955 };
2956 const char *trace_events = NULL;
2957 const char *trace_file = NULL;
2958 ram_addr_t maxram_size;
2959 uint64_t ram_slots = 0;
2960 FILE *vmstate_dump_file = NULL;
2961 Error *main_loop_err = NULL;
2962 Error *err = NULL;
2963
2964 qemu_init_cpu_loop();
2965 qemu_mutex_lock_iothread();
2966
2967 atexit(qemu_run_exit_notifiers);
2968 error_set_progname(argv[0]);
2969 qemu_init_exec_dir(argv[0]);
2970
2971 g_mem_set_vtable(&mem_trace);
2972
2973 module_call_init(MODULE_INIT_QOM);
2974
2975 qemu_add_opts(&qemu_drive_opts);
2976 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2977 qemu_add_drive_opts(&qemu_common_drive_opts);
2978 qemu_add_drive_opts(&qemu_drive_opts);
2979 qemu_add_opts(&qemu_chardev_opts);
2980 qemu_add_opts(&qemu_device_opts);
2981 qemu_add_opts(&qemu_netdev_opts);
2982 qemu_add_opts(&qemu_net_opts);
2983 qemu_add_opts(&qemu_rtc_opts);
2984 qemu_add_opts(&qemu_global_opts);
2985 qemu_add_opts(&qemu_mon_opts);
2986 qemu_add_opts(&qemu_trace_opts);
2987 qemu_add_opts(&qemu_option_rom_opts);
2988 qemu_add_opts(&qemu_machine_opts);
2989 qemu_add_opts(&qemu_mem_opts);
2990 qemu_add_opts(&qemu_smp_opts);
2991 qemu_add_opts(&qemu_boot_opts);
2992 qemu_add_opts(&qemu_sandbox_opts);
2993 qemu_add_opts(&qemu_add_fd_opts);
2994 qemu_add_opts(&qemu_object_opts);
2995 qemu_add_opts(&qemu_tpmdev_opts);
2996 qemu_add_opts(&qemu_realtime_opts);
2997 qemu_add_opts(&qemu_msg_opts);
2998 qemu_add_opts(&qemu_name_opts);
2999 qemu_add_opts(&qemu_numa_opts);
3000 qemu_add_opts(&qemu_icount_opts);
3001 qemu_add_opts(&qemu_semihosting_config_opts);
3002 qemu_add_opts(&qemu_fw_cfg_opts);
3003
3004 runstate_init();
3005
3006 if (qcrypto_init(&err) < 0) {
3007 fprintf(stderr, "Cannot initialize crypto: %s\n",
3008 error_get_pretty(err));
3009 exit(1);
3010 }
3011 rtc_clock = QEMU_CLOCK_HOST;
3012
3013 QLIST_INIT (&vm_change_state_head);
3014 os_setup_early_signal_handling();
3015
3016 module_call_init(MODULE_INIT_MACHINE);
3017 machine_class = find_default_machine();
3018 cpu_model = NULL;
3019 snapshot = 0;
3020 cyls = heads = secs = 0;
3021 translation = BIOS_ATA_TRANSLATION_AUTO;
3022
3023 nb_nics = 0;
3024
3025 bdrv_init_with_whitelist();
3026
3027 autostart = 1;
3028
3029 /* first pass of option parsing */
3030 optind = 1;
3031 while (optind < argc) {
3032 if (argv[optind][0] != '-') {
3033 /* disk image */
3034 optind++;
3035 } else {
3036 const QEMUOption *popt;
3037
3038 popt = lookup_opt(argc, argv, &optarg, &optind);
3039 switch (popt->index) {
3040 case QEMU_OPTION_nodefconfig:
3041 defconfig = false;
3042 break;
3043 case QEMU_OPTION_nouserconfig:
3044 userconfig = false;
3045 break;
3046 }
3047 }
3048 }
3049
3050 if (defconfig) {
3051 int ret;
3052 ret = qemu_read_default_config_files(userconfig);
3053 if (ret < 0) {
3054 exit(1);
3055 }
3056 }
3057
3058 /* second pass of option parsing */
3059 optind = 1;
3060 for(;;) {
3061 if (optind >= argc)
3062 break;
3063 if (argv[optind][0] != '-') {
3064 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3065 } else {
3066 const QEMUOption *popt;
3067
3068 popt = lookup_opt(argc, argv, &optarg, &optind);
3069 if (!(popt->arch_mask & arch_type)) {
3070 printf("Option %s not supported for this target\n", popt->name);
3071 exit(1);
3072 }
3073 switch(popt->index) {
3074 case QEMU_OPTION_no_kvm_irqchip: {
3075 olist = qemu_find_opts("machine");
3076 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3077 break;
3078 }
3079 case QEMU_OPTION_cpu:
3080 /* hw initialization will check this */
3081 cpu_model = optarg;
3082 break;
3083 case QEMU_OPTION_hda:
3084 {
3085 char buf[256];
3086 if (cyls == 0)
3087 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3088 else
3089 snprintf(buf, sizeof(buf),
3090 "%s,cyls=%d,heads=%d,secs=%d%s",
3091 HD_OPTS , cyls, heads, secs,
3092 translation == BIOS_ATA_TRANSLATION_LBA ?
3093 ",trans=lba" :
3094 translation == BIOS_ATA_TRANSLATION_NONE ?
3095 ",trans=none" : "");
3096 drive_add(IF_DEFAULT, 0, optarg, buf);
3097 break;
3098 }
3099 case QEMU_OPTION_hdb:
3100 case QEMU_OPTION_hdc:
3101 case QEMU_OPTION_hdd:
3102 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3103 HD_OPTS);
3104 break;
3105 case QEMU_OPTION_drive:
3106 if (drive_def(optarg) == NULL) {
3107 exit(1);
3108 }
3109 break;
3110 case QEMU_OPTION_set:
3111 if (qemu_set_option(optarg) != 0)
3112 exit(1);
3113 break;
3114 case QEMU_OPTION_global:
3115 if (qemu_global_option(optarg) != 0)
3116 exit(1);
3117 break;
3118 case QEMU_OPTION_mtdblock:
3119 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3120 break;
3121 case QEMU_OPTION_sd:
3122 drive_add(IF_SD, -1, optarg, SD_OPTS);
3123 break;
3124 case QEMU_OPTION_pflash:
3125 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3126 break;
3127 case QEMU_OPTION_snapshot:
3128 snapshot = 1;
3129 break;
3130 case QEMU_OPTION_hdachs:
3131 {
3132 const char *p;
3133 p = optarg;
3134 cyls = strtol(p, (char **)&p, 0);
3135 if (cyls < 1 || cyls > 16383)
3136 goto chs_fail;
3137 if (*p != ',')
3138 goto chs_fail;
3139 p++;
3140 heads = strtol(p, (char **)&p, 0);
3141 if (heads < 1 || heads > 16)
3142 goto chs_fail;
3143 if (*p != ',')
3144 goto chs_fail;
3145 p++;
3146 secs = strtol(p, (char **)&p, 0);
3147 if (secs < 1 || secs > 63)
3148 goto chs_fail;
3149 if (*p == ',') {
3150 p++;
3151 if (!strcmp(p, "large")) {
3152 translation = BIOS_ATA_TRANSLATION_LARGE;
3153 } else if (!strcmp(p, "rechs")) {
3154 translation = BIOS_ATA_TRANSLATION_RECHS;
3155 } else if (!strcmp(p, "none")) {
3156 translation = BIOS_ATA_TRANSLATION_NONE;
3157 } else if (!strcmp(p, "lba")) {
3158 translation = BIOS_ATA_TRANSLATION_LBA;
3159 } else if (!strcmp(p, "auto")) {
3160 translation = BIOS_ATA_TRANSLATION_AUTO;
3161 } else {
3162 goto chs_fail;
3163 }
3164 } else if (*p != '\0') {
3165 chs_fail:
3166 fprintf(stderr, "qemu: invalid physical CHS format\n");
3167 exit(1);
3168 }
3169 if (hda_opts != NULL) {
3170 qemu_opt_set_number(hda_opts, "cyls", cyls,
3171 &error_abort);
3172 qemu_opt_set_number(hda_opts, "heads", heads,
3173 &error_abort);
3174 qemu_opt_set_number(hda_opts, "secs", secs,
3175 &error_abort);
3176 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3177 qemu_opt_set(hda_opts, "trans", "large",
3178 &error_abort);
3179 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3180 qemu_opt_set(hda_opts, "trans", "rechs",
3181 &error_abort);
3182 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3183 qemu_opt_set(hda_opts, "trans", "lba",
3184 &error_abort);
3185 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3186 qemu_opt_set(hda_opts, "trans", "none",
3187 &error_abort);
3188 }
3189 }
3190 }
3191 break;
3192 case QEMU_OPTION_numa:
3193 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3194 optarg, true);
3195 if (!opts) {
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_display:
3200 display_type = select_display(optarg);
3201 break;
3202 case QEMU_OPTION_nographic:
3203 display_type = DT_NOGRAPHIC;
3204 break;
3205 case QEMU_OPTION_curses:
3206 #ifdef CONFIG_CURSES
3207 display_type = DT_CURSES;
3208 #else
3209 fprintf(stderr, "Curses support is disabled\n");
3210 exit(1);
3211 #endif
3212 break;
3213 case QEMU_OPTION_portrait:
3214 graphic_rotate = 90;
3215 break;
3216 case QEMU_OPTION_rotate:
3217 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3218 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3219 graphic_rotate != 180 && graphic_rotate != 270) {
3220 fprintf(stderr,
3221 "qemu: only 90, 180, 270 deg rotation is available\n");
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_kernel:
3226 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3227 &error_abort);
3228 break;
3229 case QEMU_OPTION_initrd:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3231 &error_abort);
3232 break;
3233 case QEMU_OPTION_append:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3235 &error_abort);
3236 break;
3237 case QEMU_OPTION_dtb:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3239 &error_abort);
3240 break;
3241 case QEMU_OPTION_cdrom:
3242 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3243 break;
3244 case QEMU_OPTION_boot:
3245 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3246 optarg, true);
3247 if (!opts) {
3248 exit(1);
3249 }
3250 break;
3251 case QEMU_OPTION_fda:
3252 case QEMU_OPTION_fdb:
3253 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3254 optarg, FD_OPTS);
3255 break;
3256 case QEMU_OPTION_no_fd_bootchk:
3257 fd_bootchk = 0;
3258 break;
3259 case QEMU_OPTION_netdev:
3260 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3261 exit(1);
3262 }
3263 break;
3264 case QEMU_OPTION_net:
3265 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3266 exit(1);
3267 }
3268 break;
3269 #ifdef CONFIG_LIBISCSI
3270 case QEMU_OPTION_iscsi:
3271 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3272 optarg, false);
3273 if (!opts) {
3274 exit(1);
3275 }
3276 break;
3277 #endif
3278 #ifdef CONFIG_SLIRP
3279 case QEMU_OPTION_tftp:
3280 legacy_tftp_prefix = optarg;
3281 break;
3282 case QEMU_OPTION_bootp:
3283 legacy_bootp_filename = optarg;
3284 break;
3285 case QEMU_OPTION_redir:
3286 if (net_slirp_redir(optarg) < 0)
3287 exit(1);
3288 break;
3289 #endif
3290 case QEMU_OPTION_bt:
3291 add_device_config(DEV_BT, optarg);
3292 break;
3293 case QEMU_OPTION_audio_help:
3294 AUD_help ();
3295 exit (0);
3296 break;
3297 case QEMU_OPTION_soundhw:
3298 select_soundhw (optarg);
3299 break;
3300 case QEMU_OPTION_h:
3301 help(0);
3302 break;
3303 case QEMU_OPTION_version:
3304 version();
3305 exit(0);
3306 break;
3307 case QEMU_OPTION_m:
3308 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3309 optarg, true);
3310 if (!opts) {
3311 exit(EXIT_FAILURE);
3312 }
3313 break;
3314 #ifdef CONFIG_TPM
3315 case QEMU_OPTION_tpmdev:
3316 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3317 exit(1);
3318 }
3319 break;
3320 #endif
3321 case QEMU_OPTION_mempath:
3322 mem_path = optarg;
3323 break;
3324 case QEMU_OPTION_mem_prealloc:
3325 mem_prealloc = 1;
3326 break;
3327 case QEMU_OPTION_d:
3328 log_mask = optarg;
3329 break;
3330 case QEMU_OPTION_D:
3331 log_file = optarg;
3332 break;
3333 case QEMU_OPTION_s:
3334 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3335 break;
3336 case QEMU_OPTION_gdb:
3337 add_device_config(DEV_GDB, optarg);
3338 break;
3339 case QEMU_OPTION_L:
3340 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3341 data_dir[data_dir_idx++] = optarg;
3342 }
3343 break;
3344 case QEMU_OPTION_bios:
3345 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3346 &error_abort);
3347 break;
3348 case QEMU_OPTION_singlestep:
3349 singlestep = 1;
3350 break;
3351 case QEMU_OPTION_S:
3352 autostart = 0;
3353 break;
3354 case QEMU_OPTION_k:
3355 keyboard_layout = optarg;
3356 break;
3357 case QEMU_OPTION_localtime:
3358 rtc_utc = 0;
3359 break;
3360 case QEMU_OPTION_vga:
3361 vga_model = optarg;
3362 default_vga = 0;
3363 break;
3364 case QEMU_OPTION_g:
3365 {
3366 const char *p;
3367 int w, h, depth;
3368 p = optarg;
3369 w = strtol(p, (char **)&p, 10);
3370 if (w <= 0) {
3371 graphic_error:
3372 fprintf(stderr, "qemu: invalid resolution or depth\n");
3373 exit(1);
3374 }
3375 if (*p != 'x')
3376 goto graphic_error;
3377 p++;
3378 h = strtol(p, (char **)&p, 10);
3379 if (h <= 0)
3380 goto graphic_error;
3381 if (*p == 'x') {
3382 p++;
3383 depth = strtol(p, (char **)&p, 10);
3384 if (depth != 8 && depth != 15 && depth != 16 &&
3385 depth != 24 && depth != 32)
3386 goto graphic_error;
3387 } else if (*p == '\0') {
3388 depth = graphic_depth;
3389 } else {
3390 goto graphic_error;
3391 }
3392
3393 graphic_width = w;
3394 graphic_height = h;
3395 graphic_depth = depth;
3396 }
3397 break;
3398 case QEMU_OPTION_echr:
3399 {
3400 char *r;
3401 term_escape_char = strtol(optarg, &r, 0);
3402 if (r == optarg)
3403 printf("Bad argument to echr\n");
3404 break;
3405 }
3406 case QEMU_OPTION_monitor:
3407 default_monitor = 0;
3408 if (strncmp(optarg, "none", 4)) {
3409 monitor_parse(optarg, "readline", false);
3410 }
3411 break;
3412 case QEMU_OPTION_qmp:
3413 monitor_parse(optarg, "control", false);
3414 default_monitor = 0;
3415 break;
3416 case QEMU_OPTION_qmp_pretty:
3417 monitor_parse(optarg, "control", true);
3418 default_monitor = 0;
3419 break;
3420 case QEMU_OPTION_mon:
3421 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3422 true);
3423 if (!opts) {
3424 exit(1);
3425 }
3426 default_monitor = 0;
3427 break;
3428 case QEMU_OPTION_chardev:
3429 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3430 optarg, true);
3431 if (!opts) {
3432 exit(1);
3433 }
3434 break;
3435 case QEMU_OPTION_fsdev:
3436 olist = qemu_find_opts("fsdev");
3437 if (!olist) {
3438 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3439 exit(1);
3440 }
3441 opts = qemu_opts_parse_noisily(olist, optarg, true);
3442 if (!opts) {
3443 exit(1);
3444 }
3445 break;
3446 case QEMU_OPTION_virtfs: {
3447 QemuOpts *fsdev;
3448 QemuOpts *device;
3449 const char *writeout, *sock_fd, *socket;
3450
3451 olist = qemu_find_opts("virtfs");
3452 if (!olist) {
3453 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3454 exit(1);
3455 }
3456 opts = qemu_opts_parse_noisily(olist, optarg, true);
3457 if (!opts) {
3458 exit(1);
3459 }
3460
3461 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3462 qemu_opt_get(opts, "mount_tag") == NULL) {
3463 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3464 exit(1);
3465 }
3466 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3467 qemu_opt_get(opts, "mount_tag"),
3468 1, NULL);
3469 if (!fsdev) {
3470 fprintf(stderr, "duplicate fsdev id: %s\n",
3471 qemu_opt_get(opts, "mount_tag"));
3472 exit(1);
3473 }
3474
3475 writeout = qemu_opt_get(opts, "writeout");
3476 if (writeout) {
3477 #ifdef CONFIG_SYNC_FILE_RANGE
3478 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3479 #else
3480 fprintf(stderr, "writeout=immediate not supported on "
3481 "this platform\n");
3482 exit(1);
3483 #endif
3484 }
3485 qemu_opt_set(fsdev, "fsdriver",
3486 qemu_opt_get(opts, "fsdriver"), &error_abort);
3487 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3488 &error_abort);
3489 qemu_opt_set(fsdev, "security_model",
3490 qemu_opt_get(opts, "security_model"),
3491 &error_abort);
3492 socket = qemu_opt_get(opts, "socket");
3493 if (socket) {
3494 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3495 }
3496 sock_fd = qemu_opt_get(opts, "sock_fd");
3497 if (sock_fd) {
3498 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3499 }
3500
3501 qemu_opt_set_bool(fsdev, "readonly",
3502 qemu_opt_get_bool(opts, "readonly", 0),
3503 &error_abort);
3504 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3505 &error_abort);
3506 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3507 qemu_opt_set(device, "fsdev",
3508 qemu_opt_get(opts, "mount_tag"), &error_abort);
3509 qemu_opt_set(device, "mount_tag",
3510 qemu_opt_get(opts, "mount_tag"), &error_abort);
3511 break;
3512 }
3513 case QEMU_OPTION_virtfs_synth: {
3514 QemuOpts *fsdev;
3515 QemuOpts *device;
3516
3517 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3518 1, NULL);
3519 if (!fsdev) {
3520 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3521 exit(1);
3522 }
3523 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3524
3525 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3526 &error_abort);
3527 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3528 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3529 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3530 break;
3531 }
3532 case QEMU_OPTION_serial:
3533 add_device_config(DEV_SERIAL, optarg);
3534 default_serial = 0;
3535 if (strncmp(optarg, "mon:", 4) == 0) {
3536 default_monitor = 0;
3537 }
3538 break;
3539 case QEMU_OPTION_watchdog:
3540 if (watchdog) {
3541 fprintf(stderr,
3542 "qemu: only one watchdog option may be given\n");
3543 return 1;
3544 }
3545 watchdog = optarg;
3546 break;
3547 case QEMU_OPTION_watchdog_action:
3548 if (select_watchdog_action(optarg) == -1) {
3549 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3550 exit(1);
3551 }
3552 break;
3553 case QEMU_OPTION_virtiocon:
3554 add_device_config(DEV_VIRTCON, optarg);
3555 default_virtcon = 0;
3556 if (strncmp(optarg, "mon:", 4) == 0) {
3557 default_monitor = 0;
3558 }
3559 break;
3560 case QEMU_OPTION_parallel:
3561 add_device_config(DEV_PARALLEL, optarg);
3562 default_parallel = 0;
3563 if (strncmp(optarg, "mon:", 4) == 0) {
3564 default_monitor = 0;
3565 }
3566 break;
3567 case QEMU_OPTION_debugcon:
3568 add_device_config(DEV_DEBUGCON, optarg);
3569 break;
3570 case QEMU_OPTION_loadvm:
3571 loadvm = optarg;
3572 break;
3573 case QEMU_OPTION_full_screen:
3574 full_screen = 1;
3575 break;
3576 case QEMU_OPTION_no_frame:
3577 no_frame = 1;
3578 break;
3579 case QEMU_OPTION_alt_grab:
3580 alt_grab = 1;
3581 break;
3582 case QEMU_OPTION_ctrl_grab:
3583 ctrl_grab = 1;
3584 break;
3585 case QEMU_OPTION_no_quit:
3586 no_quit = 1;
3587 break;
3588 case QEMU_OPTION_sdl:
3589 #ifdef CONFIG_SDL
3590 display_type = DT_SDL;
3591 break;
3592 #else
3593 fprintf(stderr, "SDL support is disabled\n");
3594 exit(1);
3595 #endif
3596 case QEMU_OPTION_pidfile:
3597 pid_file = optarg;
3598 break;
3599 case QEMU_OPTION_win2k_hack:
3600 win2k_install_hack = 1;
3601 break;
3602 case QEMU_OPTION_rtc_td_hack: {
3603 static GlobalProperty slew_lost_ticks[] = {
3604 {
3605 .driver = "mc146818rtc",
3606 .property = "lost_tick_policy",
3607 .value = "slew",
3608 },
3609 { /* end of list */ }
3610 };
3611
3612 qdev_prop_register_global_list(slew_lost_ticks);
3613 break;
3614 }
3615 case QEMU_OPTION_acpitable:
3616 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3617 optarg, true);
3618 if (!opts) {
3619 exit(1);
3620 }
3621 do_acpitable_option(opts);
3622 break;
3623 case QEMU_OPTION_smbios:
3624 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3625 optarg, false);
3626 if (!opts) {
3627 exit(1);
3628 }
3629 do_smbios_option(opts);
3630 break;
3631 case QEMU_OPTION_fwcfg:
3632 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3633 optarg, true);
3634 if (opts == NULL) {
3635 exit(1);
3636 }
3637 break;
3638 case QEMU_OPTION_enable_kvm:
3639 olist = qemu_find_opts("machine");
3640 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3641 break;
3642 case QEMU_OPTION_M:
3643 case QEMU_OPTION_machine:
3644 olist = qemu_find_opts("machine");
3645 opts = qemu_opts_parse_noisily(olist, optarg, true);
3646 if (!opts) {
3647 exit(1);
3648 }
3649 break;
3650 case QEMU_OPTION_no_kvm:
3651 olist = qemu_find_opts("machine");
3652 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3653 break;
3654 case QEMU_OPTION_no_kvm_pit: {
3655 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3656 "separately.\n");
3657 break;
3658 }
3659 case QEMU_OPTION_no_kvm_pit_reinjection: {
3660 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3661 {
3662 .driver = "kvm-pit",
3663 .property = "lost_tick_policy",
3664 .value = "discard",
3665 },
3666 { /* end of list */ }
3667 };
3668
3669 fprintf(stderr, "Warning: option deprecated, use "
3670 "lost_tick_policy property of kvm-pit instead.\n");
3671 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3672 break;
3673 }
3674 case QEMU_OPTION_usb:
3675 olist = qemu_find_opts("machine");
3676 qemu_opts_parse_noisily(olist, "usb=on", false);
3677 break;
3678 case QEMU_OPTION_usbdevice:
3679 olist = qemu_find_opts("machine");
3680 qemu_opts_parse_noisily(olist, "usb=on", false);
3681 add_device_config(DEV_USB, optarg);
3682 break;
3683 case QEMU_OPTION_device:
3684 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3685 optarg, true)) {
3686 exit(1);
3687 }
3688 break;
3689 case QEMU_OPTION_smp:
3690 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3691 optarg, true)) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_vnc:
3696 {
3697 #ifdef CONFIG_VNC
3698 Error *local_err = NULL;
3699
3700 if (vnc_parse(optarg, &local_err) == NULL) {
3701 error_report_err(local_err);
3702 exit(1);
3703 }
3704 #else
3705 fprintf(stderr, "VNC support is disabled\n");
3706 exit(1);
3707 #endif
3708 break;
3709 }
3710 case QEMU_OPTION_no_acpi:
3711 acpi_enabled = 0;
3712 break;
3713 case QEMU_OPTION_no_hpet:
3714 no_hpet = 1;
3715 break;
3716 case QEMU_OPTION_balloon:
3717 if (balloon_parse(optarg) < 0) {
3718 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3719 exit(1);
3720 }
3721 break;
3722 case QEMU_OPTION_no_reboot:
3723 no_reboot = 1;
3724 break;
3725 case QEMU_OPTION_no_shutdown:
3726 no_shutdown = 1;
3727 break;
3728 case QEMU_OPTION_show_cursor:
3729 cursor_hide = 0;
3730 break;
3731 case QEMU_OPTION_uuid:
3732 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3733 fprintf(stderr, "Fail to parse UUID string."
3734 " Wrong format.\n");
3735 exit(1);
3736 }
3737 qemu_uuid_set = true;
3738 break;
3739 case QEMU_OPTION_option_rom:
3740 if (nb_option_roms >= MAX_OPTION_ROMS) {
3741 fprintf(stderr, "Too many option ROMs\n");
3742 exit(1);
3743 }
3744 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3745 optarg, true);
3746 if (!opts) {
3747 exit(1);
3748 }
3749 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3750 option_rom[nb_option_roms].bootindex =
3751 qemu_opt_get_number(opts, "bootindex", -1);
3752 if (!option_rom[nb_option_roms].name) {
3753 fprintf(stderr, "Option ROM file is not specified\n");
3754 exit(1);
3755 }
3756 nb_option_roms++;
3757 break;
3758 case QEMU_OPTION_semihosting:
3759 semihosting.enabled = true;
3760 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3761 break;
3762 case QEMU_OPTION_semihosting_config:
3763 semihosting.enabled = true;
3764 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3765 optarg, false);
3766 if (opts != NULL) {
3767 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3768 true);
3769 const char *target = qemu_opt_get(opts, "target");
3770 if (target != NULL) {
3771 if (strcmp("native", target) == 0) {
3772 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3773 } else if (strcmp("gdb", target) == 0) {
3774 semihosting.target = SEMIHOSTING_TARGET_GDB;
3775 } else if (strcmp("auto", target) == 0) {
3776 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3777 } else {
3778 fprintf(stderr, "Unsupported semihosting-config"
3779 " %s\n",
3780 optarg);
3781 exit(1);
3782 }
3783 } else {
3784 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3785 }
3786 /* Set semihosting argument count and vector */
3787 qemu_opt_foreach(opts, add_semihosting_arg,
3788 &semihosting, NULL);
3789 } else {
3790 fprintf(stderr, "Unsupported semihosting-config %s\n",
3791 optarg);
3792 exit(1);
3793 }
3794 break;
3795 case QEMU_OPTION_tdf:
3796 fprintf(stderr, "Warning: user space PIT time drift fix "
3797 "is no longer supported.\n");
3798 break;
3799 case QEMU_OPTION_name:
3800 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3801 optarg, true);
3802 if (!opts) {
3803 exit(1);
3804 }
3805 break;
3806 case QEMU_OPTION_prom_env:
3807 if (nb_prom_envs >= MAX_PROM_ENVS) {
3808 fprintf(stderr, "Too many prom variables\n");
3809 exit(1);
3810 }
3811 prom_envs[nb_prom_envs] = optarg;
3812 nb_prom_envs++;
3813 break;
3814 case QEMU_OPTION_old_param:
3815 old_param = 1;
3816 break;
3817 case QEMU_OPTION_clock:
3818 /* Clock options no longer exist. Keep this option for
3819 * backward compatibility.
3820 */
3821 break;
3822 case QEMU_OPTION_startdate:
3823 configure_rtc_date_offset(optarg, 1);
3824 break;
3825 case QEMU_OPTION_rtc:
3826 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3827 false);
3828 if (!opts) {
3829 exit(1);
3830 }
3831 configure_rtc(opts);
3832 break;
3833 case QEMU_OPTION_tb_size:
3834 tcg_tb_size = strtol(optarg, NULL, 0);
3835 if (tcg_tb_size < 0) {
3836 tcg_tb_size = 0;
3837 }
3838 break;
3839 case QEMU_OPTION_icount:
3840 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3841 optarg, true);
3842 if (!icount_opts) {
3843 exit(1);
3844 }
3845 break;
3846 case QEMU_OPTION_incoming:
3847 if (!incoming) {
3848 runstate_set(RUN_STATE_INMIGRATE);
3849 }
3850 incoming = optarg;
3851 break;
3852 case QEMU_OPTION_nodefaults:
3853 has_defaults = 0;
3854 break;
3855 case QEMU_OPTION_xen_domid:
3856 if (!(xen_available())) {
3857 printf("Option %s not supported for this target\n", popt->name);
3858 exit(1);
3859 }
3860 xen_domid = atoi(optarg);
3861 break;
3862 case QEMU_OPTION_xen_create:
3863 if (!(xen_available())) {
3864 printf("Option %s not supported for this target\n", popt->name);
3865 exit(1);
3866 }
3867 xen_mode = XEN_CREATE;
3868 break;
3869 case QEMU_OPTION_xen_attach:
3870 if (!(xen_available())) {
3871 printf("Option %s not supported for this target\n", popt->name);
3872 exit(1);
3873 }
3874 xen_mode = XEN_ATTACH;
3875 break;
3876 case QEMU_OPTION_trace:
3877 {
3878 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3879 optarg, false);
3880 if (!opts) {
3881 exit(1);
3882 }
3883 trace_events = qemu_opt_get(opts, "events");
3884 trace_file = qemu_opt_get(opts, "file");
3885 break;
3886 }
3887 case QEMU_OPTION_readconfig:
3888 {
3889 int ret = qemu_read_config_file(optarg);
3890 if (ret < 0) {
3891 fprintf(stderr, "read config %s: %s\n", optarg,
3892 strerror(-ret));
3893 exit(1);
3894 }
3895 break;
3896 }
3897 case QEMU_OPTION_spice:
3898 olist = qemu_find_opts("spice");
3899 if (!olist) {
3900 fprintf(stderr, "spice is not supported by this qemu build.\n");
3901 exit(1);
3902 }
3903 opts = qemu_opts_parse_noisily(olist, optarg, false);
3904 if (!opts) {
3905 exit(1);
3906 }
3907 display_remote++;
3908 break;
3909 case QEMU_OPTION_writeconfig:
3910 {
3911 FILE *fp;
3912 if (strcmp(optarg, "-") == 0) {
3913 fp = stdout;
3914 } else {
3915 fp = fopen(optarg, "w");
3916 if (fp == NULL) {
3917 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3918 exit(1);
3919 }
3920 }
3921 qemu_config_write(fp);
3922 if (fp != stdout) {
3923 fclose(fp);
3924 }
3925 break;
3926 }
3927 case QEMU_OPTION_qtest:
3928 qtest_chrdev = optarg;
3929 break;
3930 case QEMU_OPTION_qtest_log:
3931 qtest_log = optarg;
3932 break;
3933 case QEMU_OPTION_sandbox:
3934 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3935 optarg, true);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 break;
3940 case QEMU_OPTION_add_fd:
3941 #ifndef _WIN32
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3943 optarg, false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 #else
3948 error_report("File descriptor passing is disabled on this "
3949 "platform");
3950 exit(1);
3951 #endif
3952 break;
3953 case QEMU_OPTION_object:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3955 optarg, true);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 break;
3960 case QEMU_OPTION_realtime:
3961 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3962 optarg, false);
3963 if (!opts) {
3964 exit(1);
3965 }
3966 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3967 break;
3968 case QEMU_OPTION_msg:
3969 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3970 false);
3971 if (!opts) {
3972 exit(1);
3973 }
3974 configure_msg(opts);
3975 break;
3976 case QEMU_OPTION_dump_vmstate:
3977 if (vmstate_dump_file) {
3978 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3979 "option may be given\n");
3980 exit(1);
3981 }
3982 vmstate_dump_file = fopen(optarg, "w");
3983 if (vmstate_dump_file == NULL) {
3984 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3985 exit(1);
3986 }
3987 break;
3988 default:
3989 os_parse_cmd_args(popt->index, optarg);
3990 }
3991 }
3992 }
3993
3994 opts = qemu_get_machine_opts();
3995 optarg = qemu_opt_get(opts, "type");
3996 if (optarg) {
3997 machine_class = machine_parse(optarg);
3998 }
3999
4000 if (machine_class == NULL) {
4001 fprintf(stderr, "No machine specified, and there is no default.\n"
4002 "Use -machine help to list supported machines!\n");
4003 exit(1);
4004 }
4005
4006 set_memory_options(&ram_slots, &maxram_size, machine_class);
4007
4008 loc_set_none();
4009
4010 os_daemonize();
4011
4012 if (qemu_init_main_loop(&main_loop_err)) {
4013 error_report_err(main_loop_err);
4014 exit(1);
4015 }
4016
4017 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4018 parse_sandbox, NULL, NULL)) {
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("name"),
4023 parse_name, NULL, NULL)) {
4024 exit(1);
4025 }
4026
4027 #ifndef _WIN32
4028 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 parse_add_fd, NULL, NULL)) {
4030 exit(1);
4031 }
4032
4033 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4034 cleanup_add_fd, NULL, NULL)) {
4035 exit(1);
4036 }
4037 #endif
4038
4039 current_machine = MACHINE(object_new(object_class_get_name(
4040 OBJECT_CLASS(machine_class))));
4041 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4042 exit(0);
4043 }
4044 object_property_add_child(object_get_root(), "machine",
4045 OBJECT(current_machine), &error_abort);
4046 cpu_exec_init_all();
4047
4048 if (machine_class->hw_version) {
4049 qemu_set_version(machine_class->hw_version);
4050 }
4051
4052 /* Init CPU def lists, based on config
4053 * - Must be called after all the qemu_read_config_file() calls
4054 * - Must be called before list_cpus()
4055 * - Must be called before machine->init()
4056 */
4057 cpudef_init();
4058
4059 if (cpu_model && is_help_option(cpu_model)) {
4060 list_cpus(stdout, &fprintf, cpu_model);
4061 exit(0);
4062 }
4063
4064 /* Open the logfile at this point and set the log mask if necessary.
4065 */
4066 if (log_file) {
4067 qemu_set_log_filename(log_file);
4068 }
4069
4070 if (log_mask) {
4071 int mask;
4072 mask = qemu_str_to_log_mask(log_mask);
4073 if (!mask) {
4074 qemu_print_log_usage(stdout);
4075 exit(1);
4076 }
4077 qemu_set_log(mask);
4078 }
4079
4080 if (!is_daemonized()) {
4081 if (!trace_init_backends(trace_events, trace_file)) {
4082 exit(1);
4083 }
4084 }
4085
4086 /* If no data_dir is specified then try to find it relative to the
4087 executable path. */
4088 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4089 data_dir[data_dir_idx] = os_find_datadir();
4090 if (data_dir[data_dir_idx] != NULL) {
4091 data_dir_idx++;
4092 }
4093 }
4094 /* If all else fails use the install path specified when building. */
4095 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4096 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4097 }
4098
4099 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4100
4101 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4102 if (max_cpus > machine_class->max_cpus) {
4103 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4104 "supported by machine `%s' (%d)\n", max_cpus,
4105 machine_class->name, machine_class->max_cpus);
4106 exit(1);
4107 }
4108
4109 /*
4110 * Get the default machine options from the machine if it is not already
4111 * specified either by the configuration file or by the command line.
4112 */
4113 if (machine_class->default_machine_opts) {
4114 qemu_opts_set_defaults(qemu_find_opts("machine"),
4115 machine_class->default_machine_opts, 0);
4116 }
4117
4118 qemu_opts_foreach(qemu_find_opts("device"),
4119 default_driver_check, NULL, NULL);
4120 qemu_opts_foreach(qemu_find_opts("global"),
4121 default_driver_check, NULL, NULL);
4122
4123 if (!vga_model && !default_vga) {
4124 vga_interface_type = VGA_DEVICE;
4125 }
4126 if (!has_defaults || machine_class->no_serial) {
4127 default_serial = 0;
4128 }
4129 if (!has_defaults || machine_class->no_parallel) {
4130 default_parallel = 0;
4131 }
4132 if (!has_defaults || !machine_class->use_virtcon) {
4133 default_virtcon = 0;
4134 }
4135 if (!has_defaults || !machine_class->use_sclp) {
4136 default_sclp = 0;
4137 }
4138 if (!has_defaults || machine_class->no_floppy) {
4139 default_floppy = 0;
4140 }
4141 if (!has_defaults || machine_class->no_cdrom) {
4142 default_cdrom = 0;
4143 }
4144 if (!has_defaults || machine_class->no_sdcard) {
4145 default_sdcard = 0;
4146 }
4147 if (!has_defaults) {
4148 default_monitor = 0;
4149 default_net = 0;
4150 default_vga = 0;
4151 }
4152
4153 if (is_daemonized()) {
4154 /* According to documentation and historically, -nographic redirects
4155 * serial port, parallel port and monitor to stdio, which does not work
4156 * with -daemonize. We can redirect these to null instead, but since
4157 * -nographic is legacy, let's just error out.
4158 * We disallow -nographic only if all other ports are not redirected
4159 * explicitly, to not break existing legacy setups which uses
4160 * -nographic _and_ redirects all ports explicitly - this is valid
4161 * usage, -nographic is just a no-op in this case.
4162 */
4163 if (display_type == DT_NOGRAPHIC
4164 && (default_parallel || default_serial
4165 || default_monitor || default_virtcon)) {
4166 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4167 exit(1);
4168 }
4169 #ifdef CONFIG_CURSES
4170 if (display_type == DT_CURSES) {
4171 fprintf(stderr, "curses display can not be used with -daemonize\n");
4172 exit(1);
4173 }
4174 #endif
4175 }
4176
4177 if (display_type == DT_NOGRAPHIC) {
4178 if (default_parallel)
4179 add_device_config(DEV_PARALLEL, "null");
4180 if (default_serial && default_monitor) {
4181 add_device_config(DEV_SERIAL, "mon:stdio");
4182 } else if (default_virtcon && default_monitor) {
4183 add_device_config(DEV_VIRTCON, "mon:stdio");
4184 } else if (default_sclp && default_monitor) {
4185 add_device_config(DEV_SCLP, "mon:stdio");
4186 } else {
4187 if (default_serial)
4188 add_device_config(DEV_SERIAL, "stdio");
4189 if (default_virtcon)
4190 add_device_config(DEV_VIRTCON, "stdio");
4191 if (default_sclp) {
4192 add_device_config(DEV_SCLP, "stdio");
4193 }
4194 if (default_monitor)
4195 monitor_parse("stdio", "readline", false);
4196 }
4197 } else {
4198 if (default_serial)
4199 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4200 if (default_parallel)
4201 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4202 if (default_monitor)
4203 monitor_parse("vc:80Cx24C", "readline", false);
4204 if (default_virtcon)
4205 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4206 if (default_sclp) {
4207 add_device_config(DEV_SCLP, "vc:80Cx24C");
4208 }
4209 }
4210
4211 #if defined(CONFIG_VNC)
4212 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4213 display_remote++;
4214 }
4215 #endif
4216 if (display_type == DT_DEFAULT && !display_remote) {
4217 #if defined(CONFIG_GTK)
4218 display_type = DT_GTK;
4219 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4220 display_type = DT_SDL;
4221 #elif defined(CONFIG_VNC)
4222 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4223 show_vnc_port = 1;
4224 #else
4225 display_type = DT_NONE;
4226 #endif
4227 }
4228
4229 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4230 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4231 "for SDL, ignoring option\n");
4232 }
4233 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4234 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4235 "ignoring option\n");
4236 }
4237
4238 #if defined(CONFIG_GTK)
4239 if (display_type == DT_GTK) {
4240 early_gtk_display_init(request_opengl);
4241 }
4242 #endif
4243 #if defined(CONFIG_SDL)
4244 if (display_type == DT_SDL) {
4245 sdl_display_early_init(request_opengl);
4246 }
4247 #endif
4248 if (request_opengl == 1 && display_opengl == 0) {
4249 #if defined(CONFIG_OPENGL)
4250 fprintf(stderr, "OpenGL is not supported by the display.\n");
4251 #else
4252 fprintf(stderr, "QEMU was built without opengl support.\n");
4253 #endif
4254 exit(1);
4255 }
4256
4257 socket_init();
4258
4259 if (qemu_opts_foreach(qemu_find_opts("object"),
4260 object_create,
4261 object_create_initial, NULL)) {
4262 exit(1);
4263 }
4264
4265 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4266 chardev_init_func, NULL, NULL)) {
4267 exit(1);
4268 }
4269
4270 #ifdef CONFIG_VIRTFS
4271 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4272 fsdev_init_func, NULL, NULL)) {
4273 exit(1);
4274 }
4275 #endif
4276
4277 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4278 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4279 exit(1);
4280 }
4281
4282 if (qemu_opts_foreach(qemu_find_opts("device"),
4283 device_help_func, NULL, NULL)) {
4284 exit(0);
4285 }
4286
4287 if (qemu_opts_foreach(qemu_find_opts("object"),
4288 object_create,
4289 object_create_delayed, NULL)) {
4290 exit(1);
4291 }
4292
4293 machine_opts = qemu_get_machine_opts();
4294 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4295 NULL)) {
4296 object_unref(OBJECT(current_machine));
4297 exit(1);
4298 }
4299
4300 configure_accelerator(current_machine);
4301
4302 if (qtest_chrdev) {
4303 Error *local_err = NULL;
4304 qtest_init(qtest_chrdev, qtest_log, &local_err);
4305 if (local_err) {
4306 error_report_err(local_err);
4307 exit(1);
4308 }
4309 }
4310
4311 machine_opts = qemu_get_machine_opts();
4312 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4313 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4314 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4315 bios_name = qemu_opt_get(machine_opts, "firmware");
4316
4317 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4318 if (opts) {
4319 Error *local_err = NULL;
4320
4321 boot_order = qemu_opt_get(opts, "order");
4322 if (boot_order) {
4323 validate_bootdevices(boot_order, &local_err);
4324 if (local_err) {
4325 error_report_err(local_err);
4326 exit(1);
4327 }
4328 }
4329
4330 boot_once = qemu_opt_get(opts, "once");
4331 if (boot_once) {
4332 validate_bootdevices(boot_once, &local_err);
4333 if (local_err) {
4334 error_report_err(local_err);
4335 exit(1);
4336 }
4337 }
4338
4339 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4340 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4341 }
4342
4343 if (!boot_order) {
4344 boot_order = machine_class->default_boot_order;
4345 }
4346
4347 if (!kernel_cmdline) {
4348 kernel_cmdline = "";
4349 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4350 }
4351
4352 linux_boot = (kernel_filename != NULL);
4353
4354 if (!linux_boot && *kernel_cmdline != '\0') {
4355 fprintf(stderr, "-append only allowed with -kernel option\n");
4356 exit(1);
4357 }
4358
4359 if (!linux_boot && initrd_filename != NULL) {
4360 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4361 exit(1);
4362 }
4363
4364 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4365 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4366 exit(1);
4367 }
4368
4369 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4370 /* fall back to the -kernel/-append */
4371 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4372 }
4373
4374 os_set_line_buffering();
4375
4376 #ifdef CONFIG_SPICE
4377 /* spice needs the timers to be initialized by this point */
4378 qemu_spice_init();
4379 #endif
4380
4381 cpu_ticks_init();
4382 if (icount_opts) {
4383 if (kvm_enabled() || xen_enabled()) {
4384 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4385 exit(1);
4386 }
4387 configure_icount(icount_opts, &error_abort);
4388 qemu_opts_del(icount_opts);
4389 }
4390
4391 /* clean up network at qemu process termination */
4392 atexit(&net_cleanup);
4393
4394 if (net_init_clients() < 0) {
4395 exit(1);
4396 }
4397
4398 #ifdef CONFIG_TPM
4399 if (tpm_init() < 0) {
4400 exit(1);
4401 }
4402 #endif
4403
4404 /* init the bluetooth world */
4405 if (foreach_device_config(DEV_BT, bt_parse))
4406 exit(1);
4407
4408 if (!xen_enabled()) {
4409 /* On 32-bit hosts, QEMU is limited by virtual address space */
4410 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4411 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4412 exit(1);
4413 }
4414 }
4415
4416 blk_mig_init();
4417 ram_mig_init();
4418
4419 /* If the currently selected machine wishes to override the units-per-bus
4420 * property of its default HBA interface type, do so now. */
4421 if (machine_class->units_per_default_bus) {
4422 override_max_devs(machine_class->block_default_type,
4423 machine_class->units_per_default_bus);
4424 }
4425
4426 /* open the virtual block devices */
4427 if (snapshot)
4428 qemu_opts_foreach(qemu_find_opts("drive"),
4429 drive_enable_snapshot, NULL, NULL);
4430 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4431 &machine_class->block_default_type, NULL)) {
4432 exit(1);
4433 }
4434
4435 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4436 CDROM_OPTS);
4437 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4438 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4439
4440 parse_numa_opts(machine_class);
4441
4442 if (qemu_opts_foreach(qemu_find_opts("mon"),
4443 mon_init_func, NULL, NULL)) {
4444 exit(1);
4445 }
4446
4447 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4448 exit(1);
4449 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4450 exit(1);
4451 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4452 exit(1);
4453 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4454 exit(1);
4455 }
4456 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4457 exit(1);
4458
4459 /* If no default VGA is requested, the default is "none". */
4460 if (default_vga) {
4461 if (machine_class->default_display) {
4462 vga_model = machine_class->default_display;
4463 } else if (cirrus_vga_available()) {
4464 vga_model = "cirrus";
4465 } else if (vga_available()) {
4466 vga_model = "std";
4467 }
4468 }
4469 if (vga_model) {
4470 select_vgahw(vga_model);
4471 }
4472
4473 if (watchdog) {
4474 i = select_watchdog(watchdog);
4475 if (i > 0)
4476 exit (i == 1 ? 1 : 0);
4477 }
4478
4479 if (machine_class->compat_props) {
4480 qdev_prop_register_global_list(machine_class->compat_props);
4481 }
4482 qemu_add_globals();
4483
4484 qdev_machine_init();
4485
4486 current_machine->ram_size = ram_size;
4487 current_machine->maxram_size = maxram_size;
4488 current_machine->ram_slots = ram_slots;
4489 current_machine->boot_order = boot_order;
4490 current_machine->cpu_model = cpu_model;
4491
4492 machine_class->init(current_machine);
4493
4494 realtime_init();
4495
4496 audio_init();
4497
4498 cpu_synchronize_all_post_init();
4499
4500 numa_post_machine_init();
4501
4502 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4503 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4504 exit(1);
4505 }
4506
4507 /* init USB devices */
4508 if (usb_enabled()) {
4509 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4510 exit(1);
4511 }
4512
4513 /* init generic devices */
4514 if (qemu_opts_foreach(qemu_find_opts("device"),
4515 device_init_func, NULL, NULL)) {
4516 exit(1);
4517 }
4518
4519 /* Did we create any drives that we failed to create a device for? */
4520 drive_check_orphaned();
4521
4522 net_check_clients();
4523
4524 if (boot_once) {
4525 Error *local_err = NULL;
4526 qemu_boot_set(boot_once, &local_err);
4527 if (local_err) {
4528 error_report("%s", error_get_pretty(local_err));
4529 exit(1);
4530 }
4531 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4532 }
4533
4534 ds = init_displaystate();
4535
4536 /* init local displays */
4537 switch (display_type) {
4538 case DT_NOGRAPHIC:
4539 (void)ds; /* avoid warning if no display is configured */
4540 break;
4541 #if defined(CONFIG_CURSES)
4542 case DT_CURSES:
4543 curses_display_init(ds, full_screen);
4544 break;
4545 #endif
4546 #if defined(CONFIG_SDL)
4547 case DT_SDL:
4548 sdl_display_init(ds, full_screen, no_frame);
4549 break;
4550 #elif defined(CONFIG_COCOA)
4551 case DT_SDL:
4552 cocoa_display_init(ds, full_screen);
4553 break;
4554 #endif
4555 #if defined(CONFIG_GTK)
4556 case DT_GTK:
4557 gtk_display_init(ds, full_screen, grab_on_hover);
4558 break;
4559 #endif
4560 default:
4561 break;
4562 }
4563
4564 /* must be after terminal init, SDL library changes signal handlers */
4565 os_setup_signal_handling();
4566
4567 #ifdef CONFIG_VNC
4568 /* init remote displays */
4569 qemu_opts_foreach(qemu_find_opts("vnc"),
4570 vnc_init_func, NULL, NULL);
4571 if (show_vnc_port) {
4572 char *ret = vnc_display_local_addr("default");
4573 printf("VNC server running on `%s'\n", ret);
4574 g_free(ret);
4575 }
4576 #endif
4577 #ifdef CONFIG_SPICE
4578 if (using_spice) {
4579 qemu_spice_display_init();
4580 }
4581 #endif
4582
4583 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4584 exit(1);
4585 }
4586
4587 qdev_machine_creation_done();
4588
4589 /* TODO: once all bus devices are qdevified, this should be done
4590 * when bus is created by qdev.c */
4591 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4592 qemu_run_machine_init_done_notifiers();
4593
4594 if (rom_check_and_register_reset() != 0) {
4595 fprintf(stderr, "rom check and register reset failed\n");
4596 exit(1);
4597 }
4598
4599 qemu_system_reset(VMRESET_SILENT);
4600 if (loadvm) {
4601 if (load_vmstate(loadvm) < 0) {
4602 autostart = 0;
4603 }
4604 }
4605
4606 qdev_prop_check_globals();
4607 if (vmstate_dump_file) {
4608 /* dump and exit */
4609 dump_vmstate_json_to_file(vmstate_dump_file);
4610 return 0;
4611 }
4612
4613 if (incoming) {
4614 Error *local_err = NULL;
4615 qemu_start_incoming_migration(incoming, &local_err);
4616 if (local_err) {
4617 error_report("-incoming %s: %s", incoming,
4618 error_get_pretty(local_err));
4619 error_free(local_err);
4620 exit(1);
4621 }
4622 } else if (autostart) {
4623 vm_start();
4624 }
4625
4626 os_setup_post();
4627
4628 if (is_daemonized()) {
4629 if (!trace_init_backends(trace_events, trace_file)) {
4630 exit(1);
4631 }
4632 }
4633
4634 main_loop();
4635 bdrv_close_all();
4636 pause_all_vcpus();
4637 res_free();
4638 #ifdef CONFIG_TPM
4639 tpm_cleanup();
4640 #endif
4641
4642 return 0;
4643 }
AR7 emulation for QEMU