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Merge remote-tracking branch 'qemu/master'
[qemu/ar7.git] / vl.c
blob83f611fc4c56b384038ff962b63cfe2ca491df06
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);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv);
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/smbios/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 /* Trace unassigned memory or i/o accesses. */
196 bool trace_unassigned;
197
198 static NotifierList exit_notifiers =
199 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
200
201 static NotifierList machine_init_done_notifiers =
202 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
203
204 bool xen_allowed;
205 uint32_t xen_domid;
206 enum xen_mode xen_mode = XEN_EMULATE;
207
208 static int has_defaults = 1;
209 static int default_serial = 1;
210 static int default_parallel = 1;
211 static int default_virtcon = 1;
212 static int default_sclp = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218
219 static struct {
220 const char *driver;
221 int *flag;
222 } default_list[] = {
223 { .driver = "isa-serial", .flag = &default_serial },
224 { .driver = "isa-parallel", .flag = &default_parallel },
225 { .driver = "isa-fdc", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
231 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_sandbox_opts = {
261 .name = "sandbox",
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .desc = {
265 {
266 .name = "enable",
267 .type = QEMU_OPT_BOOL,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_trace_opts = {
274 .name = "trace",
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .desc = {
278 {
279 .name = "events",
280 .type = QEMU_OPT_STRING,
281 },{
282 .name = "file",
283 .type = QEMU_OPT_STRING,
284 },
285 { /* end of list */ }
286 },
287 };
288
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .desc = {
294 {
295 .name = "bootindex",
296 .type = QEMU_OPT_NUMBER,
297 }, {
298 .name = "romfile",
299 .type = QEMU_OPT_STRING,
300 },
301 { /* end of list */ }
302 },
303 };
304
305 static QemuOptsList qemu_machine_opts = {
306 .name = "machine",
307 .implied_opt_name = "type",
308 .merge_lists = true,
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
310 .desc = {
311 /*
312 * no elements => accept any
313 * sanity checking will happen later
314 * when setting machine properties
315 */
316 { }
317 },
318 };
319
320 static QemuOptsList qemu_boot_opts = {
321 .name = "boot-opts",
322 .implied_opt_name = "order",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .desc = {
326 {
327 .name = "order",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "once",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "menu",
334 .type = QEMU_OPT_BOOL,
335 }, {
336 .name = "splash",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
344 }, {
345 .name = "strict",
346 .type = QEMU_OPT_BOOL,
347 },
348 { /*End of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_add_fd_opts = {
353 .name = "add-fd",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .desc = {
356 {
357 .name = "fd",
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
360 },{
361 .name = "set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
364 },{
365 .name = "opaque",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
368 },
369 { /* end of list */ }
370 },
371 };
372
373 static QemuOptsList qemu_object_opts = {
374 .name = "object",
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 .desc = {
378 { }
379 },
380 };
381
382 static QemuOptsList qemu_tpmdev_opts = {
383 .name = "tpmdev",
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 .desc = {
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_realtime_opts = {
393 .name = "realtime",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .desc = {
396 {
397 .name = "mlock",
398 .type = QEMU_OPT_BOOL,
399 },
400 { /* end of list */ }
401 },
402 };
403
404 static QemuOptsList qemu_msg_opts = {
405 .name = "msg",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .desc = {
408 {
409 .name = "timestamp",
410 .type = QEMU_OPT_BOOL,
411 },
412 { /* end of list */ }
413 },
414 };
415
416 static QemuOptsList qemu_name_opts = {
417 .name = "name",
418 .implied_opt_name = "guest",
419 .merge_lists = true,
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .desc = {
422 {
423 .name = "guest",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the guest.\n"
426 "This name will be displayed in the SDL window caption.\n"
427 "The name will also be used for the VNC server",
428 }, {
429 .name = "process",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the QEMU process, as shown in top etc",
432 }, {
433 .name = "debug-threads",
434 .type = QEMU_OPT_BOOL,
435 .help = "When enabled, name the individual threads; defaults off.\n"
436 "NOTE: The thread names are for debugging and not a\n"
437 "stable API.",
438 },
439 { /* End of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_mem_opts = {
444 .name = "memory",
445 .implied_opt_name = "size",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
447 .merge_lists = true,
448 .desc = {
449 {
450 .name = "size",
451 .type = QEMU_OPT_SIZE,
452 },
453 {
454 .name = "slots",
455 .type = QEMU_OPT_NUMBER,
456 },
457 {
458 .name = "maxmem",
459 .type = QEMU_OPT_SIZE,
460 },
461 { /* end of list */ }
462 },
463 };
464
465 static QemuOptsList qemu_icount_opts = {
466 .name = "icount",
467 .implied_opt_name = "shift",
468 .merge_lists = true,
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .desc = {
471 {
472 .name = "shift",
473 .type = QEMU_OPT_STRING,
474 }, {
475 .name = "align",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "sleep",
479 .type = QEMU_OPT_BOOL,
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_semihosting_config_opts = {
486 .name = "semihosting-config",
487 .implied_opt_name = "enable",
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
489 .desc = {
490 {
491 .name = "enable",
492 .type = QEMU_OPT_BOOL,
493 }, {
494 .name = "target",
495 .type = QEMU_OPT_STRING,
496 }, {
497 .name = "arg",
498 .type = QEMU_OPT_STRING,
499 },
500 { /* end of list */ }
501 },
502 };
503
504 static QemuOptsList qemu_fw_cfg_opts = {
505 .name = "fw_cfg",
506 .implied_opt_name = "name",
507 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
508 .desc = {
509 {
510 .name = "name",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets the fw_cfg name of the blob to be inserted",
513 }, {
514 .name = "file",
515 .type = QEMU_OPT_STRING,
516 .help = "Sets the name of the file from which\n"
517 "the fw_cfg blob will be loaded",
518 },
519 { /* end of list */ }
520 },
521 };
522
523 /**
524 * Get machine options
525 *
526 * Returns: machine options (never null).
527 */
528 QemuOpts *qemu_get_machine_opts(void)
529 {
530 return qemu_find_opts_singleton("machine");
531 }
532
533 const char *qemu_get_vm_name(void)
534 {
535 return qemu_name;
536 }
537
538 static void res_free(void)
539 {
540 g_free(boot_splash_filedata);
541 boot_splash_filedata = NULL;
542 }
543
544 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
545 {
546 const char *driver = qemu_opt_get(opts, "driver");
547 int i;
548
549 if (!driver)
550 return 0;
551 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
552 if (strcmp(default_list[i].driver, driver) != 0)
553 continue;
554 *(default_list[i].flag) = 0;
555 }
556 return 0;
557 }
558
559 /***********************************************************/
560 /* QEMU state */
561
562 static RunState current_run_state = RUN_STATE_PRELAUNCH;
563
564 /* We use RUN_STATE_MAX but any invalid value will do */
565 static RunState vmstop_requested = RUN_STATE_MAX;
566 static QemuMutex vmstop_lock;
567
568 typedef struct {
569 RunState from;
570 RunState to;
571 } RunStateTransition;
572
573 static const RunStateTransition runstate_transitions_def[] = {
574 /* from -> to */
575 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
576 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
577
578 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
579 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
580 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
582 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
583 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
584 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
585 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
586
587 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
588 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
591 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
594 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
597 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
600 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
602
603 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
604 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
605
606 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
607
608 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
609 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
610 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
611 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
612 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
614 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
615 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
616 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
617 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
618
619 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
620
621 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
622 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
623
624 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
625 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
626 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
627 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
630 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
633 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
634
635 { RUN_STATE_MAX, RUN_STATE_MAX },
636 };
637
638 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
639
640 bool runstate_check(RunState state)
641 {
642 return current_run_state == state;
643 }
644
645 bool runstate_store(char *str, size_t size)
646 {
647 const char *state = RunState_lookup[current_run_state];
648 size_t len = strlen(state) + 1;
649
650 if (len > size) {
651 return false;
652 }
653 memcpy(str, state, len);
654 return true;
655 }
656
657 static void runstate_init(void)
658 {
659 const RunStateTransition *p;
660
661 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
662 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
663 runstate_valid_transitions[p->from][p->to] = true;
664 }
665
666 qemu_mutex_init(&vmstop_lock);
667 }
668
669 /* This function will abort() on invalid state transitions */
670 void runstate_set(RunState new_state)
671 {
672 assert(new_state < RUN_STATE_MAX);
673
674 if (!runstate_valid_transitions[current_run_state][new_state]) {
675 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
676 RunState_lookup[current_run_state],
677 RunState_lookup[new_state]);
678 abort();
679 }
680 trace_runstate_set(new_state);
681 current_run_state = new_state;
682 }
683
684 int runstate_is_running(void)
685 {
686 return runstate_check(RUN_STATE_RUNNING);
687 }
688
689 bool runstate_needs_reset(void)
690 {
691 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
692 runstate_check(RUN_STATE_SHUTDOWN);
693 }
694
695 StatusInfo *qmp_query_status(Error **errp)
696 {
697 StatusInfo *info = g_malloc0(sizeof(*info));
698
699 info->running = runstate_is_running();
700 info->singlestep = singlestep;
701 info->status = current_run_state;
702
703 return info;
704 }
705
706 static bool qemu_vmstop_requested(RunState *r)
707 {
708 qemu_mutex_lock(&vmstop_lock);
709 *r = vmstop_requested;
710 vmstop_requested = RUN_STATE_MAX;
711 qemu_mutex_unlock(&vmstop_lock);
712 return *r < RUN_STATE_MAX;
713 }
714
715 void qemu_system_vmstop_request_prepare(void)
716 {
717 qemu_mutex_lock(&vmstop_lock);
718 }
719
720 void qemu_system_vmstop_request(RunState state)
721 {
722 vmstop_requested = state;
723 qemu_mutex_unlock(&vmstop_lock);
724 qemu_notify_event();
725 }
726
727 void vm_start(void)
728 {
729 RunState requested;
730
731 qemu_vmstop_requested(&requested);
732 if (runstate_is_running() && requested == RUN_STATE_MAX) {
733 return;
734 }
735
736 /* Ensure that a STOP/RESUME pair of events is emitted if a
737 * vmstop request was pending. The BLOCK_IO_ERROR event, for
738 * example, according to documentation is always followed by
739 * the STOP event.
740 */
741 if (runstate_is_running()) {
742 qapi_event_send_stop(&error_abort);
743 } else {
744 cpu_enable_ticks();
745 runstate_set(RUN_STATE_RUNNING);
746 vm_state_notify(1, RUN_STATE_RUNNING);
747 resume_all_vcpus();
748 }
749
750 qapi_event_send_resume(&error_abort);
751 }
752
753
754 /***********************************************************/
755 /* real time host monotonic timer */
756
757 static time_t qemu_time(void)
758 {
759 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
760 }
761
762 /***********************************************************/
763 /* host time/date access */
764 void qemu_get_timedate(struct tm *tm, int offset)
765 {
766 time_t ti = qemu_time();
767
768 ti += offset;
769 if (rtc_date_offset == -1) {
770 if (rtc_utc)
771 gmtime_r(&ti, tm);
772 else
773 localtime_r(&ti, tm);
774 } else {
775 ti -= rtc_date_offset;
776 gmtime_r(&ti, tm);
777 }
778 }
779
780 int qemu_timedate_diff(struct tm *tm)
781 {
782 time_t seconds;
783
784 if (rtc_date_offset == -1)
785 if (rtc_utc)
786 seconds = mktimegm(tm);
787 else {
788 struct tm tmp = *tm;
789 tmp.tm_isdst = -1; /* use timezone to figure it out */
790 seconds = mktime(&tmp);
791 }
792 else
793 seconds = mktimegm(tm) + rtc_date_offset;
794
795 return seconds - qemu_time();
796 }
797
798 static void configure_rtc_date_offset(const char *startdate, int legacy)
799 {
800 time_t rtc_start_date;
801 struct tm tm;
802
803 if (!strcmp(startdate, "now") && legacy) {
804 rtc_date_offset = -1;
805 } else {
806 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
807 &tm.tm_year,
808 &tm.tm_mon,
809 &tm.tm_mday,
810 &tm.tm_hour,
811 &tm.tm_min,
812 &tm.tm_sec) == 6) {
813 /* OK */
814 } else if (sscanf(startdate, "%d-%d-%d",
815 &tm.tm_year,
816 &tm.tm_mon,
817 &tm.tm_mday) == 3) {
818 tm.tm_hour = 0;
819 tm.tm_min = 0;
820 tm.tm_sec = 0;
821 } else {
822 goto date_fail;
823 }
824 tm.tm_year -= 1900;
825 tm.tm_mon--;
826 rtc_start_date = mktimegm(&tm);
827 if (rtc_start_date == -1) {
828 date_fail:
829 fprintf(stderr, "Invalid date format. Valid formats are:\n"
830 "'2006-06-17T16:01:21' or '2006-06-17'\n");
831 exit(1);
832 }
833 rtc_date_offset = qemu_time() - rtc_start_date;
834 }
835 }
836
837 static void configure_rtc(QemuOpts *opts)
838 {
839 const char *value;
840
841 value = qemu_opt_get(opts, "base");
842 if (value) {
843 if (!strcmp(value, "utc")) {
844 rtc_utc = 1;
845 } else if (!strcmp(value, "localtime")) {
846 rtc_utc = 0;
847 } else {
848 configure_rtc_date_offset(value, 0);
849 }
850 }
851 value = qemu_opt_get(opts, "clock");
852 if (value) {
853 if (!strcmp(value, "host")) {
854 rtc_clock = QEMU_CLOCK_HOST;
855 } else if (!strcmp(value, "rt")) {
856 rtc_clock = QEMU_CLOCK_REALTIME;
857 } else if (!strcmp(value, "vm")) {
858 rtc_clock = QEMU_CLOCK_VIRTUAL;
859 } else {
860 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
861 exit(1);
862 }
863 }
864 value = qemu_opt_get(opts, "driftfix");
865 if (value) {
866 if (!strcmp(value, "slew")) {
867 static GlobalProperty slew_lost_ticks[] = {
868 {
869 .driver = "mc146818rtc",
870 .property = "lost_tick_policy",
871 .value = "slew",
872 },
873 { /* end of list */ }
874 };
875
876 qdev_prop_register_global_list(slew_lost_ticks);
877 } else if (!strcmp(value, "none")) {
878 /* discard is default */
879 } else {
880 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
881 exit(1);
882 }
883 }
884 }
885
886 /***********************************************************/
887 /* Bluetooth support */
888 static int nb_hcis;
889 static int cur_hci;
890 static struct HCIInfo *hci_table[MAX_NICS];
891
892 struct HCIInfo *qemu_next_hci(void)
893 {
894 if (cur_hci == nb_hcis)
895 return &null_hci;
896
897 return hci_table[cur_hci++];
898 }
899
900 static int bt_hci_parse(const char *str)
901 {
902 struct HCIInfo *hci;
903 bdaddr_t bdaddr;
904
905 if (nb_hcis >= MAX_NICS) {
906 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
907 return -1;
908 }
909
910 hci = hci_init(str);
911 if (!hci)
912 return -1;
913
914 bdaddr.b[0] = 0x52;
915 bdaddr.b[1] = 0x54;
916 bdaddr.b[2] = 0x00;
917 bdaddr.b[3] = 0x12;
918 bdaddr.b[4] = 0x34;
919 bdaddr.b[5] = 0x56 + nb_hcis;
920 hci->bdaddr_set(hci, bdaddr.b);
921
922 hci_table[nb_hcis++] = hci;
923
924 return 0;
925 }
926
927 static void bt_vhci_add(int vlan_id)
928 {
929 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
930
931 if (!vlan->slave)
932 fprintf(stderr, "qemu: warning: adding a VHCI to "
933 "an empty scatternet %i\n", vlan_id);
934
935 bt_vhci_init(bt_new_hci(vlan));
936 }
937
938 static struct bt_device_s *bt_device_add(const char *opt)
939 {
940 struct bt_scatternet_s *vlan;
941 int vlan_id = 0;
942 char *endp = strstr(opt, ",vlan=");
943 int len = (endp ? endp - opt : strlen(opt)) + 1;
944 char devname[10];
945
946 pstrcpy(devname, MIN(sizeof(devname), len), opt);
947
948 if (endp) {
949 vlan_id = strtol(endp + 6, &endp, 0);
950 if (*endp) {
951 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
952 return 0;
953 }
954 }
955
956 vlan = qemu_find_bt_vlan(vlan_id);
957
958 if (!vlan->slave)
959 fprintf(stderr, "qemu: warning: adding a slave device to "
960 "an empty scatternet %i\n", vlan_id);
961
962 if (!strcmp(devname, "keyboard"))
963 return bt_keyboard_init(vlan);
964
965 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
966 return 0;
967 }
968
969 static int bt_parse(const char *opt)
970 {
971 const char *endp, *p;
972 int vlan;
973
974 if (strstart(opt, "hci", &endp)) {
975 if (!*endp || *endp == ',') {
976 if (*endp)
977 if (!strstart(endp, ",vlan=", 0))
978 opt = endp + 1;
979
980 return bt_hci_parse(opt);
981 }
982 } else if (strstart(opt, "vhci", &endp)) {
983 if (!*endp || *endp == ',') {
984 if (*endp) {
985 if (strstart(endp, ",vlan=", &p)) {
986 vlan = strtol(p, (char **) &endp, 0);
987 if (*endp) {
988 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
989 return 1;
990 }
991 } else {
992 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
993 return 1;
994 }
995 } else
996 vlan = 0;
997
998 bt_vhci_add(vlan);
999 return 0;
1000 }
1001 } else if (strstart(opt, "device:", &endp))
1002 return !bt_device_add(endp);
1003
1004 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1005 return 1;
1006 }
1007
1008 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1009 {
1010 /* FIXME: change this to true for 1.3 */
1011 if (qemu_opt_get_bool(opts, "enable", false)) {
1012 #ifdef CONFIG_SECCOMP
1013 if (seccomp_start() < 0) {
1014 error_report("failed to install seccomp syscall filter "
1015 "in the kernel");
1016 return -1;
1017 }
1018 #else
1019 error_report("sandboxing request but seccomp is not compiled "
1020 "into this build");
1021 return -1;
1022 #endif
1023 }
1024
1025 return 0;
1026 }
1027
1028 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1029 {
1030 const char *proc_name;
1031
1032 if (qemu_opt_get(opts, "debug-threads")) {
1033 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1034 }
1035 qemu_name = qemu_opt_get(opts, "guest");
1036
1037 proc_name = qemu_opt_get(opts, "process");
1038 if (proc_name) {
1039 os_set_proc_name(proc_name);
1040 }
1041
1042 return 0;
1043 }
1044
1045 bool defaults_enabled(void)
1046 {
1047 return has_defaults;
1048 }
1049
1050 bool usb_enabled(void)
1051 {
1052 return machine_usb(current_machine);
1053 }
1054
1055 #ifndef _WIN32
1056 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1057 {
1058 int fd, dupfd, flags;
1059 int64_t fdset_id;
1060 const char *fd_opaque = NULL;
1061 AddfdInfo *fdinfo;
1062
1063 fd = qemu_opt_get_number(opts, "fd", -1);
1064 fdset_id = qemu_opt_get_number(opts, "set", -1);
1065 fd_opaque = qemu_opt_get(opts, "opaque");
1066
1067 if (fd < 0) {
1068 error_report("fd option is required and must be non-negative");
1069 return -1;
1070 }
1071
1072 if (fd <= STDERR_FILENO) {
1073 error_report("fd cannot be a standard I/O stream");
1074 return -1;
1075 }
1076
1077 /*
1078 * All fds inherited across exec() necessarily have FD_CLOEXEC
1079 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1080 */
1081 flags = fcntl(fd, F_GETFD);
1082 if (flags == -1 || (flags & FD_CLOEXEC)) {
1083 error_report("fd is not valid or already in use");
1084 return -1;
1085 }
1086
1087 if (fdset_id < 0) {
1088 error_report("set option is required and must be non-negative");
1089 return -1;
1090 }
1091
1092 #ifdef F_DUPFD_CLOEXEC
1093 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1094 #else
1095 dupfd = dup(fd);
1096 if (dupfd != -1) {
1097 qemu_set_cloexec(dupfd);
1098 }
1099 #endif
1100 if (dupfd == -1) {
1101 error_report("Error duplicating fd: %s", strerror(errno));
1102 return -1;
1103 }
1104
1105 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1106 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1107 &error_abort);
1108 g_free(fdinfo);
1109
1110 return 0;
1111 }
1112
1113 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1114 {
1115 int fd;
1116
1117 fd = qemu_opt_get_number(opts, "fd", -1);
1118 close(fd);
1119
1120 return 0;
1121 }
1122 #endif
1123
1124 /***********************************************************/
1125 /* QEMU Block devices */
1126
1127 #define HD_OPTS "media=disk"
1128 #define CDROM_OPTS "media=cdrom"
1129 #define FD_OPTS ""
1130 #define PFLASH_OPTS ""
1131 #define MTD_OPTS ""
1132 #define SD_OPTS ""
1133
1134 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1135 {
1136 BlockInterfaceType *block_default_type = opaque;
1137
1138 return drive_new(opts, *block_default_type) == NULL;
1139 }
1140
1141 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 if (qemu_opt_get(opts, "snapshot") == NULL) {
1144 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1145 }
1146 return 0;
1147 }
1148
1149 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1150 int index, const char *optstr)
1151 {
1152 QemuOpts *opts;
1153 DriveInfo *dinfo;
1154
1155 if (!enable || drive_get_by_index(type, index)) {
1156 return;
1157 }
1158
1159 opts = drive_add(type, index, NULL, optstr);
1160 if (snapshot) {
1161 drive_enable_snapshot(NULL, opts, NULL);
1162 }
1163
1164 dinfo = drive_new(opts, type);
1165 if (!dinfo) {
1166 exit(1);
1167 }
1168 dinfo->is_default = true;
1169
1170 }
1171
1172 static QemuOptsList qemu_smp_opts = {
1173 .name = "smp-opts",
1174 .implied_opt_name = "cpus",
1175 .merge_lists = true,
1176 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1177 .desc = {
1178 {
1179 .name = "cpus",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "sockets",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "cores",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "threads",
1189 .type = QEMU_OPT_NUMBER,
1190 }, {
1191 .name = "maxcpus",
1192 .type = QEMU_OPT_NUMBER,
1193 },
1194 { /*End of list */ }
1195 },
1196 };
1197
1198 static void smp_parse(QemuOpts *opts)
1199 {
1200 if (opts) {
1201
1202 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1203 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1204 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1205 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1206
1207 /* compute missing values, prefer sockets over cores over threads */
1208 if (cpus == 0 || sockets == 0) {
1209 sockets = sockets > 0 ? sockets : 1;
1210 cores = cores > 0 ? cores : 1;
1211 threads = threads > 0 ? threads : 1;
1212 if (cpus == 0) {
1213 cpus = cores * threads * sockets;
1214 }
1215 } else if (cores == 0) {
1216 threads = threads > 0 ? threads : 1;
1217 cores = cpus / (sockets * threads);
1218 } else if (threads == 0) {
1219 threads = cpus / (cores * sockets);
1220 } else if (sockets * cores * threads < cpus) {
1221 fprintf(stderr, "cpu topology: error: "
1222 "sockets (%u) * cores (%u) * threads (%u) < "
1223 "smp_cpus (%u)\n",
1224 sockets, cores, threads, cpus);
1225 exit(1);
1226 }
1227
1228 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1229
1230 smp_cpus = cpus;
1231 smp_cores = cores > 0 ? cores : 1;
1232 smp_threads = threads > 0 ? threads : 1;
1233
1234 }
1235
1236 if (max_cpus == 0) {
1237 max_cpus = smp_cpus;
1238 }
1239
1240 if (max_cpus > MAX_CPUMASK_BITS) {
1241 fprintf(stderr, "Unsupported number of maxcpus\n");
1242 exit(1);
1243 }
1244 if (max_cpus < smp_cpus) {
1245 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1246 exit(1);
1247 }
1248
1249 }
1250
1251 static void realtime_init(void)
1252 {
1253 if (enable_mlock) {
1254 if (os_mlock() < 0) {
1255 fprintf(stderr, "qemu: locking memory failed\n");
1256 exit(1);
1257 }
1258 }
1259 }
1260
1261
1262 static void configure_msg(QemuOpts *opts)
1263 {
1264 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1265 }
1266
1267 /***********************************************************/
1268 /* Semihosting */
1269
1270 typedef struct SemihostingConfig {
1271 bool enabled;
1272 SemihostingTarget target;
1273 const char **argv;
1274 int argc;
1275 const char *cmdline; /* concatenated argv */
1276 } SemihostingConfig;
1277
1278 static SemihostingConfig semihosting;
1279
1280 bool semihosting_enabled(void)
1281 {
1282 return semihosting.enabled;
1283 }
1284
1285 SemihostingTarget semihosting_get_target(void)
1286 {
1287 return semihosting.target;
1288 }
1289
1290 const char *semihosting_get_arg(int i)
1291 {
1292 if (i >= semihosting.argc) {
1293 return NULL;
1294 }
1295 return semihosting.argv[i];
1296 }
1297
1298 int semihosting_get_argc(void)
1299 {
1300 return semihosting.argc;
1301 }
1302
1303 const char *semihosting_get_cmdline(void)
1304 {
1305 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1306 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1307 }
1308 return semihosting.cmdline;
1309 }
1310
1311 static int add_semihosting_arg(void *opaque,
1312 const char *name, const char *val,
1313 Error **errp)
1314 {
1315 SemihostingConfig *s = opaque;
1316 if (strcmp(name, "arg") == 0) {
1317 s->argc++;
1318 /* one extra element as g_strjoinv() expects NULL-terminated array */
1319 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1320 s->argv[s->argc - 1] = val;
1321 s->argv[s->argc] = NULL;
1322 }
1323 return 0;
1324 }
1325
1326 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1327 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1328 {
1329 char *cmd_token;
1330
1331 /* argv[0] */
1332 add_semihosting_arg(&semihosting, "arg", file, NULL);
1333
1334 /* split -append and initialize argv[1..n] */
1335 cmd_token = strtok(g_strdup(cmd), " ");
1336 while (cmd_token) {
1337 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1338 cmd_token = strtok(NULL, " ");
1339 }
1340 }
1341
1342 /* Now we still need this for compatibility with XEN. */
1343 bool has_igd_gfx_passthru;
1344 static void igd_gfx_passthru(void)
1345 {
1346 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1347 }
1348
1349 /***********************************************************/
1350 /* USB devices */
1351
1352 static int usb_device_add(const char *devname)
1353 {
1354 USBDevice *dev = NULL;
1355 #ifndef CONFIG_LINUX
1356 const char *p;
1357 #endif
1358
1359 if (!usb_enabled()) {
1360 return -1;
1361 }
1362
1363 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1364 dev = usbdevice_create(devname);
1365 if (dev)
1366 goto done;
1367
1368 /* the other ones */
1369 #ifndef CONFIG_LINUX
1370 /* only the linux version is qdev-ified, usb-bsd still needs this */
1371 if (strstart(devname, "host:", &p)) {
1372 dev = usb_host_device_open(usb_bus_find(-1), p);
1373 }
1374 #endif
1375 if (!dev)
1376 return -1;
1377
1378 done:
1379 return 0;
1380 }
1381
1382 static int usb_device_del(const char *devname)
1383 {
1384 int bus_num, addr;
1385 const char *p;
1386
1387 if (strstart(devname, "host:", &p)) {
1388 return -1;
1389 }
1390
1391 if (!usb_enabled()) {
1392 return -1;
1393 }
1394
1395 p = strchr(devname, '.');
1396 if (!p)
1397 return -1;
1398 bus_num = strtoul(devname, NULL, 0);
1399 addr = strtoul(p + 1, NULL, 0);
1400
1401 return usb_device_delete_addr(bus_num, addr);
1402 }
1403
1404 static int usb_parse(const char *cmdline)
1405 {
1406 int r;
1407 r = usb_device_add(cmdline);
1408 if (r < 0) {
1409 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1410 }
1411 return r;
1412 }
1413
1414 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1415 {
1416 const char *devname = qdict_get_str(qdict, "devname");
1417 if (usb_device_add(devname) < 0) {
1418 error_report("could not add USB device '%s'", devname);
1419 }
1420 }
1421
1422 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1423 {
1424 const char *devname = qdict_get_str(qdict, "devname");
1425 if (usb_device_del(devname) < 0) {
1426 error_report("could not delete USB device '%s'", devname);
1427 }
1428 }
1429
1430 /***********************************************************/
1431 /* machine registration */
1432
1433 MachineState *current_machine;
1434
1435 static MachineClass *find_machine(const char *name)
1436 {
1437 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1438 MachineClass *mc = NULL;
1439
1440 for (el = machines; el; el = el->next) {
1441 MachineClass *temp = el->data;
1442
1443 if (!strcmp(temp->name, name)) {
1444 mc = temp;
1445 break;
1446 }
1447 if (temp->alias &&
1448 !strcmp(temp->alias, name)) {
1449 mc = temp;
1450 break;
1451 }
1452 }
1453
1454 g_slist_free(machines);
1455 return mc;
1456 }
1457
1458 MachineClass *find_default_machine(void)
1459 {
1460 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1461 MachineClass *mc = NULL;
1462
1463 for (el = machines; el; el = el->next) {
1464 MachineClass *temp = el->data;
1465
1466 if (temp->is_default) {
1467 mc = temp;
1468 break;
1469 }
1470 }
1471
1472 g_slist_free(machines);
1473 return mc;
1474 }
1475
1476 MachineInfoList *qmp_query_machines(Error **errp)
1477 {
1478 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1479 MachineInfoList *mach_list = NULL;
1480
1481 for (el = machines; el; el = el->next) {
1482 MachineClass *mc = el->data;
1483 MachineInfoList *entry;
1484 MachineInfo *info;
1485
1486 info = g_malloc0(sizeof(*info));
1487 if (mc->is_default) {
1488 info->has_is_default = true;
1489 info->is_default = true;
1490 }
1491
1492 if (mc->alias) {
1493 info->has_alias = true;
1494 info->alias = g_strdup(mc->alias);
1495 }
1496
1497 info->name = g_strdup(mc->name);
1498 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1499
1500 entry = g_malloc0(sizeof(*entry));
1501 entry->value = info;
1502 entry->next = mach_list;
1503 mach_list = entry;
1504 }
1505
1506 g_slist_free(machines);
1507 return mach_list;
1508 }
1509
1510 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1511 {
1512 ObjectProperty *prop;
1513
1514 if (!qemu_opt_has_help_opt(opts)) {
1515 return 0;
1516 }
1517
1518 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1519 if (!prop->set) {
1520 continue;
1521 }
1522
1523 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1524 prop->name, prop->type);
1525 if (prop->description) {
1526 error_printf(" (%s)\n", prop->description);
1527 } else {
1528 error_printf("\n");
1529 }
1530 }
1531
1532 return 1;
1533 }
1534
1535 /***********************************************************/
1536 /* main execution loop */
1537
1538 struct vm_change_state_entry {
1539 VMChangeStateHandler *cb;
1540 void *opaque;
1541 QLIST_ENTRY (vm_change_state_entry) entries;
1542 };
1543
1544 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1545
1546 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1547 void *opaque)
1548 {
1549 VMChangeStateEntry *e;
1550
1551 e = g_malloc0(sizeof (*e));
1552
1553 e->cb = cb;
1554 e->opaque = opaque;
1555 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1556 return e;
1557 }
1558
1559 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1560 {
1561 QLIST_REMOVE (e, entries);
1562 g_free (e);
1563 }
1564
1565 void vm_state_notify(int running, RunState state)
1566 {
1567 VMChangeStateEntry *e, *next;
1568
1569 trace_vm_state_notify(running, state);
1570
1571 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1572 e->cb(e->opaque, running, state);
1573 }
1574 }
1575
1576 /* reset/shutdown handler */
1577
1578 typedef struct QEMUResetEntry {
1579 QTAILQ_ENTRY(QEMUResetEntry) entry;
1580 QEMUResetHandler *func;
1581 void *opaque;
1582 } QEMUResetEntry;
1583
1584 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1585 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1586 static int reset_requested;
1587 static int shutdown_requested, shutdown_signal = -1;
1588 static pid_t shutdown_pid;
1589 static int powerdown_requested;
1590 static int debug_requested;
1591 static int suspend_requested;
1592 static WakeupReason wakeup_reason;
1593 static NotifierList powerdown_notifiers =
1594 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1595 static NotifierList suspend_notifiers =
1596 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1597 static NotifierList wakeup_notifiers =
1598 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1599 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1600
1601 int qemu_shutdown_requested_get(void)
1602 {
1603 return shutdown_requested;
1604 }
1605
1606 int qemu_reset_requested_get(void)
1607 {
1608 return reset_requested;
1609 }
1610
1611 static int qemu_shutdown_requested(void)
1612 {
1613 return atomic_xchg(&shutdown_requested, 0);
1614 }
1615
1616 static void qemu_kill_report(void)
1617 {
1618 if (!qtest_driver() && shutdown_signal != -1) {
1619 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1620 if (shutdown_pid == 0) {
1621 /* This happens for eg ^C at the terminal, so it's worth
1622 * avoiding printing an odd message in that case.
1623 */
1624 fputc('\n', stderr);
1625 } else {
1626 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1627 }
1628 shutdown_signal = -1;
1629 }
1630 }
1631
1632 static int qemu_reset_requested(void)
1633 {
1634 int r = reset_requested;
1635 reset_requested = 0;
1636 return r;
1637 }
1638
1639 static int qemu_suspend_requested(void)
1640 {
1641 int r = suspend_requested;
1642 suspend_requested = 0;
1643 return r;
1644 }
1645
1646 static WakeupReason qemu_wakeup_requested(void)
1647 {
1648 return wakeup_reason;
1649 }
1650
1651 static int qemu_powerdown_requested(void)
1652 {
1653 int r = powerdown_requested;
1654 powerdown_requested = 0;
1655 return r;
1656 }
1657
1658 static int qemu_debug_requested(void)
1659 {
1660 int r = debug_requested;
1661 debug_requested = 0;
1662 return r;
1663 }
1664
1665 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1666 {
1667 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1668
1669 re->func = func;
1670 re->opaque = opaque;
1671 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1672 }
1673
1674 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1675 {
1676 QEMUResetEntry *re;
1677
1678 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1679 if (re->func == func && re->opaque == opaque) {
1680 QTAILQ_REMOVE(&reset_handlers, re, entry);
1681 g_free(re);
1682 return;
1683 }
1684 }
1685 }
1686
1687 void qemu_devices_reset(void)
1688 {
1689 QEMUResetEntry *re, *nre;
1690
1691 /* reset all devices */
1692 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1693 re->func(re->opaque);
1694 }
1695 }
1696
1697 void qemu_system_reset(bool report)
1698 {
1699 MachineClass *mc;
1700
1701 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1702
1703 if (mc && mc->reset) {
1704 mc->reset();
1705 } else {
1706 qemu_devices_reset();
1707 }
1708 if (report) {
1709 qapi_event_send_reset(&error_abort);
1710 }
1711 cpu_synchronize_all_post_reset();
1712 }
1713
1714 void qemu_system_guest_panicked(void)
1715 {
1716 if (current_cpu) {
1717 current_cpu->crash_occurred = true;
1718 }
1719 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1720 vm_stop(RUN_STATE_GUEST_PANICKED);
1721 }
1722
1723 void qemu_system_reset_request(void)
1724 {
1725 if (no_reboot) {
1726 shutdown_requested = 1;
1727 } else {
1728 reset_requested = 1;
1729 }
1730 cpu_stop_current();
1731 qemu_notify_event();
1732 }
1733
1734 static void qemu_system_suspend(void)
1735 {
1736 pause_all_vcpus();
1737 notifier_list_notify(&suspend_notifiers, NULL);
1738 runstate_set(RUN_STATE_SUSPENDED);
1739 qapi_event_send_suspend(&error_abort);
1740 }
1741
1742 void qemu_system_suspend_request(void)
1743 {
1744 if (runstate_check(RUN_STATE_SUSPENDED)) {
1745 return;
1746 }
1747 suspend_requested = 1;
1748 cpu_stop_current();
1749 qemu_notify_event();
1750 }
1751
1752 void qemu_register_suspend_notifier(Notifier *notifier)
1753 {
1754 notifier_list_add(&suspend_notifiers, notifier);
1755 }
1756
1757 void qemu_system_wakeup_request(WakeupReason reason)
1758 {
1759 trace_system_wakeup_request(reason);
1760
1761 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_system_killed(int signal, pid_t pid)
1787 {
1788 shutdown_signal = signal;
1789 shutdown_pid = pid;
1790 no_shutdown = 0;
1791 qemu_system_shutdown_request();
1792 }
1793
1794 void qemu_system_shutdown_request(void)
1795 {
1796 trace_qemu_system_shutdown_request();
1797 shutdown_requested = 1;
1798 qemu_notify_event();
1799 }
1800
1801 static void qemu_system_powerdown(void)
1802 {
1803 qapi_event_send_powerdown(&error_abort);
1804 notifier_list_notify(&powerdown_notifiers, NULL);
1805 }
1806
1807 void qemu_system_powerdown_request(void)
1808 {
1809 trace_qemu_system_powerdown_request();
1810 powerdown_requested = 1;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_register_powerdown_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&powerdown_notifiers, notifier);
1817 }
1818
1819 void qemu_system_debug_request(void)
1820 {
1821 debug_requested = 1;
1822 qemu_notify_event();
1823 }
1824
1825 static bool main_loop_should_exit(void)
1826 {
1827 RunState r;
1828 if (qemu_debug_requested()) {
1829 vm_stop(RUN_STATE_DEBUG);
1830 }
1831 if (qemu_suspend_requested()) {
1832 qemu_system_suspend();
1833 }
1834 if (qemu_shutdown_requested()) {
1835 qemu_kill_report();
1836 qapi_event_send_shutdown(&error_abort);
1837 if (no_shutdown) {
1838 vm_stop(RUN_STATE_SHUTDOWN);
1839 } else {
1840 return true;
1841 }
1842 }
1843 if (qemu_reset_requested()) {
1844 pause_all_vcpus();
1845 cpu_synchronize_all_states();
1846 qemu_system_reset(VMRESET_REPORT);
1847 resume_all_vcpus();
1848 if (runstate_needs_reset()) {
1849 runstate_set(RUN_STATE_PAUSED);
1850 }
1851 }
1852 if (qemu_wakeup_requested()) {
1853 pause_all_vcpus();
1854 cpu_synchronize_all_states();
1855 qemu_system_reset(VMRESET_SILENT);
1856 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1857 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1858 resume_all_vcpus();
1859 qapi_event_send_wakeup(&error_abort);
1860 }
1861 if (qemu_powerdown_requested()) {
1862 qemu_system_powerdown();
1863 }
1864 if (qemu_vmstop_requested(&r)) {
1865 vm_stop(r);
1866 }
1867 return false;
1868 }
1869
1870 static void main_loop(void)
1871 {
1872 bool nonblocking;
1873 int last_io = 0;
1874 #ifdef CONFIG_PROFILER
1875 int64_t ti;
1876 #endif
1877 do {
1878 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1879 #ifdef CONFIG_PROFILER
1880 ti = profile_getclock();
1881 #endif
1882 last_io = main_loop_wait(nonblocking);
1883 #ifdef CONFIG_PROFILER
1884 dev_time += profile_getclock() - ti;
1885 #endif
1886 } while (!main_loop_should_exit());
1887 }
1888
1889 static void version(void)
1890 {
1891 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1892 }
1893
1894 static void QEMU_NORETURN help(int exitcode)
1895 {
1896 version();
1897 printf("usage: %s [options] [disk_image]\n\n"
1898 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1899 error_get_progname());
1900
1901 #define QEMU_OPTIONS_GENERATE_HELP
1902 #include "qemu-options-wrapper.h"
1903
1904 printf("\nDuring emulation, the following keys are useful:\n"
1905 "ctrl-alt-f toggle full screen\n"
1906 "ctrl-alt-n switch to virtual console 'n'\n"
1907 "ctrl-alt toggle mouse and keyboard grab\n"
1908 "\n"
1909 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1910
1911 exit(exitcode);
1912 }
1913
1914 #define HAS_ARG 0x0001
1915
1916 typedef struct QEMUOption {
1917 const char *name;
1918 int flags;
1919 int index;
1920 uint32_t arch_mask;
1921 } QEMUOption;
1922
1923 static const QEMUOption qemu_options[] = {
1924 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1925 #define QEMU_OPTIONS_GENERATE_OPTIONS
1926 #include "qemu-options-wrapper.h"
1927 { NULL },
1928 };
1929
1930 static bool vga_available(void)
1931 {
1932 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1933 }
1934
1935 static bool cirrus_vga_available(void)
1936 {
1937 return object_class_by_name("cirrus-vga")
1938 || object_class_by_name("isa-cirrus-vga");
1939 }
1940
1941 static bool vmware_vga_available(void)
1942 {
1943 return object_class_by_name("vmware-svga");
1944 }
1945
1946 static bool qxl_vga_available(void)
1947 {
1948 return object_class_by_name("qxl-vga");
1949 }
1950
1951 static bool tcx_vga_available(void)
1952 {
1953 return object_class_by_name("SUNW,tcx");
1954 }
1955
1956 static bool cg3_vga_available(void)
1957 {
1958 return object_class_by_name("cgthree");
1959 }
1960
1961 static bool virtio_vga_available(void)
1962 {
1963 return object_class_by_name("virtio-vga");
1964 }
1965
1966 static void select_vgahw (const char *p)
1967 {
1968 const char *opts;
1969
1970 assert(vga_interface_type == VGA_NONE);
1971 if (strstart(p, "std", &opts)) {
1972 if (vga_available()) {
1973 vga_interface_type = VGA_STD;
1974 } else {
1975 fprintf(stderr, "Error: standard VGA not available\n");
1976 exit(0);
1977 }
1978 } else if (strstart(p, "cirrus", &opts)) {
1979 if (cirrus_vga_available()) {
1980 vga_interface_type = VGA_CIRRUS;
1981 } else {
1982 fprintf(stderr, "Error: Cirrus VGA not available\n");
1983 exit(0);
1984 }
1985 } else if (strstart(p, "vmware", &opts)) {
1986 if (vmware_vga_available()) {
1987 vga_interface_type = VGA_VMWARE;
1988 } else {
1989 fprintf(stderr, "Error: VMWare SVGA not available\n");
1990 exit(0);
1991 }
1992 } else if (strstart(p, "virtio", &opts)) {
1993 if (virtio_vga_available()) {
1994 vga_interface_type = VGA_VIRTIO;
1995 } else {
1996 fprintf(stderr, "Error: Virtio VGA not available\n");
1997 exit(0);
1998 }
1999 } else if (strstart(p, "xenfb", &opts)) {
2000 vga_interface_type = VGA_XENFB;
2001 } else if (strstart(p, "qxl", &opts)) {
2002 if (qxl_vga_available()) {
2003 vga_interface_type = VGA_QXL;
2004 } else {
2005 fprintf(stderr, "Error: QXL VGA not available\n");
2006 exit(0);
2007 }
2008 } else if (strstart(p, "tcx", &opts)) {
2009 if (tcx_vga_available()) {
2010 vga_interface_type = VGA_TCX;
2011 } else {
2012 fprintf(stderr, "Error: TCX framebuffer not available\n");
2013 exit(0);
2014 }
2015 } else if (strstart(p, "cg3", &opts)) {
2016 if (cg3_vga_available()) {
2017 vga_interface_type = VGA_CG3;
2018 } else {
2019 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2020 exit(0);
2021 }
2022 } else if (!strstart(p, "none", &opts)) {
2023 invalid_vga:
2024 fprintf(stderr, "Unknown vga type: %s\n", p);
2025 exit(1);
2026 }
2027 while (*opts) {
2028 const char *nextopt;
2029
2030 if (strstart(opts, ",retrace=", &nextopt)) {
2031 opts = nextopt;
2032 if (strstart(opts, "dumb", &nextopt))
2033 vga_retrace_method = VGA_RETRACE_DUMB;
2034 else if (strstart(opts, "precise", &nextopt))
2035 vga_retrace_method = VGA_RETRACE_PRECISE;
2036 else goto invalid_vga;
2037 } else goto invalid_vga;
2038 opts = nextopt;
2039 }
2040 }
2041
2042 static DisplayType select_display(const char *p)
2043 {
2044 const char *opts;
2045 DisplayType display = DT_DEFAULT;
2046
2047 if (strstart(p, "sdl", &opts)) {
2048 #ifdef CONFIG_SDL
2049 display = DT_SDL;
2050 while (*opts) {
2051 const char *nextopt;
2052
2053 if (strstart(opts, ",frame=", &nextopt)) {
2054 opts = nextopt;
2055 if (strstart(opts, "on", &nextopt)) {
2056 no_frame = 0;
2057 } else if (strstart(opts, "off", &nextopt)) {
2058 no_frame = 1;
2059 } else {
2060 goto invalid_sdl_args;
2061 }
2062 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2063 opts = nextopt;
2064 if (strstart(opts, "on", &nextopt)) {
2065 alt_grab = 1;
2066 } else if (strstart(opts, "off", &nextopt)) {
2067 alt_grab = 0;
2068 } else {
2069 goto invalid_sdl_args;
2070 }
2071 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2072 opts = nextopt;
2073 if (strstart(opts, "on", &nextopt)) {
2074 ctrl_grab = 1;
2075 } else if (strstart(opts, "off", &nextopt)) {
2076 ctrl_grab = 0;
2077 } else {
2078 goto invalid_sdl_args;
2079 }
2080 } else if (strstart(opts, ",window_close=", &nextopt)) {
2081 opts = nextopt;
2082 if (strstart(opts, "on", &nextopt)) {
2083 no_quit = 0;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 no_quit = 1;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else if (strstart(opts, ",gl=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "on", &nextopt)) {
2092 request_opengl = 1;
2093 } else if (strstart(opts, "off", &nextopt)) {
2094 request_opengl = 0;
2095 } else {
2096 goto invalid_sdl_args;
2097 }
2098 } else {
2099 invalid_sdl_args:
2100 error_report("Invalid SDL option string");
2101 exit(1);
2102 }
2103 opts = nextopt;
2104 }
2105 #else
2106 error_report("SDL support is disabled");
2107 exit(1);
2108 #endif
2109 } else if (strstart(p, "vnc", &opts)) {
2110 #ifdef CONFIG_VNC
2111 if (*opts == '=') {
2112 Error *err = NULL;
2113 if (vnc_parse(opts + 1, &err) == NULL) {
2114 error_report_err(err);
2115 exit(1);
2116 }
2117 } else {
2118 error_report("VNC requires a display argument vnc=<display>");
2119 exit(1);
2120 }
2121 #else
2122 error_report("VNC support is disabled");
2123 exit(1);
2124 #endif
2125 } else if (strstart(p, "curses", &opts)) {
2126 #ifdef CONFIG_CURSES
2127 display = DT_CURSES;
2128 #else
2129 error_report("Curses support is disabled");
2130 exit(1);
2131 #endif
2132 } else if (strstart(p, "gtk", &opts)) {
2133 #ifdef CONFIG_GTK
2134 display = DT_GTK;
2135 while (*opts) {
2136 const char *nextopt;
2137
2138 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2139 opts = nextopt;
2140 if (strstart(opts, "on", &nextopt)) {
2141 grab_on_hover = true;
2142 } else if (strstart(opts, "off", &nextopt)) {
2143 grab_on_hover = false;
2144 } else {
2145 goto invalid_gtk_args;
2146 }
2147 } else if (strstart(opts, ",gl=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 request_opengl = 1;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 request_opengl = 0;
2153 } else {
2154 goto invalid_gtk_args;
2155 }
2156 } else {
2157 invalid_gtk_args:
2158 error_report("Invalid GTK option string");
2159 exit(1);
2160 }
2161 opts = nextopt;
2162 }
2163 #else
2164 error_report("GTK support is disabled");
2165 exit(1);
2166 #endif
2167 } else if (strstart(p, "none", &opts)) {
2168 display = DT_NONE;
2169 } else {
2170 error_report("Unknown display type");
2171 exit(1);
2172 }
2173
2174 return display;
2175 }
2176
2177 static int balloon_parse(const char *arg)
2178 {
2179 QemuOpts *opts;
2180
2181 if (strcmp(arg, "none") == 0) {
2182 return 0;
2183 }
2184
2185 if (!strncmp(arg, "virtio", 6)) {
2186 if (arg[6] == ',') {
2187 /* have params -> parse them */
2188 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2189 false);
2190 if (!opts)
2191 return -1;
2192 } else {
2193 /* create empty opts */
2194 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2195 &error_abort);
2196 }
2197 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2198 return 0;
2199 }
2200
2201 return -1;
2202 }
2203
2204 #if defined(CONFIG_RUBY)
2205 /* Ruby interface for QEMU. See README.EXT for programming example. */
2206 #warning mit ruby
2207 #include <ruby.h>
2208
2209 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2210 {
2211 int i;
2212 for (i = 0; i < argc; i++) {
2213 argv[i] = StringValue(argv[i]);
2214 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2215 }
2216 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2217 //~ mode = 0666; /* default value */
2218 //~ }
2219 return INT2FIX(argc);
2220 }
2221
2222 void Init_qemu(void)
2223 {
2224 printf("%s\n", __func__);
2225 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2226 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2227 #if 0
2228 rb_define_method();
2229 #endif
2230 }
2231 #endif /* CONFIG_RUBY */
2232
2233 #if defined(CONFIG_DLL)
2234 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2235 {
2236 return FALSE;
2237 }
2238 #endif /* CONFIG_DLL */
2239
2240 char *qemu_find_file(int type, const char *name)
2241 {
2242 int i;
2243 const char *subdir;
2244 char *buf;
2245
2246 /* Try the name as a straight path first */
2247 if (access(name, R_OK) == 0) {
2248 trace_load_file(name, name);
2249 return g_strdup(name);
2250 }
2251
2252 switch (type) {
2253 case QEMU_FILE_TYPE_BIOS:
2254 subdir = "";
2255 break;
2256 case QEMU_FILE_TYPE_KEYMAP:
2257 subdir = "keymaps/";
2258 break;
2259 default:
2260 abort();
2261 }
2262
2263 for (i = 0; i < data_dir_idx; i++) {
2264 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2265 if (access(buf, R_OK) == 0) {
2266 trace_load_file(name, buf);
2267 return buf;
2268 }
2269 g_free(buf);
2270 }
2271 return NULL;
2272 }
2273
2274 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2275 {
2276 gchar *buf;
2277 size_t size;
2278 const char *name, *file;
2279
2280 if (opaque == NULL) {
2281 error_report("fw_cfg device not available");
2282 return -1;
2283 }
2284 name = qemu_opt_get(opts, "name");
2285 file = qemu_opt_get(opts, "file");
2286 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2287 error_report("invalid argument value");
2288 return -1;
2289 }
2290 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2291 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2292 return -1;
2293 }
2294 if (strncmp(name, "opt/", 4) != 0) {
2295 error_report("WARNING: externally provided fw_cfg item names "
2296 "should be prefixed with \"opt/\"!");
2297 }
2298 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2299 error_report("can't load %s", file);
2300 return -1;
2301 }
2302 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2303 return 0;
2304 }
2305
2306 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2307 {
2308 return qdev_device_help(opts);
2309 }
2310
2311 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2312 {
2313 Error *err = NULL;
2314 DeviceState *dev;
2315
2316 dev = qdev_device_add(opts, &err);
2317 if (!dev) {
2318 error_report_err(err);
2319 return -1;
2320 }
2321 object_unref(OBJECT(dev));
2322 return 0;
2323 }
2324
2325 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2326 {
2327 Error *local_err = NULL;
2328
2329 qemu_chr_new_from_opts(opts, NULL, &local_err);
2330 if (local_err) {
2331 error_report_err(local_err);
2332 return -1;
2333 }
2334 return 0;
2335 }
2336
2337 #ifdef CONFIG_VIRTFS
2338 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2339 {
2340 int ret;
2341 ret = qemu_fsdev_add(opts);
2342
2343 return ret;
2344 }
2345 #endif
2346
2347 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2348 {
2349 CharDriverState *chr;
2350 const char *chardev;
2351 const char *mode;
2352 int flags;
2353
2354 mode = qemu_opt_get(opts, "mode");
2355 if (mode == NULL) {
2356 mode = "readline";
2357 }
2358 if (strcmp(mode, "readline") == 0) {
2359 flags = MONITOR_USE_READLINE;
2360 } else if (strcmp(mode, "control") == 0) {
2361 flags = MONITOR_USE_CONTROL;
2362 } else {
2363 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2364 exit(1);
2365 }
2366
2367 if (qemu_opt_get_bool(opts, "pretty", 0))
2368 flags |= MONITOR_USE_PRETTY;
2369
2370 if (qemu_opt_get_bool(opts, "default", 0))
2371 flags |= MONITOR_IS_DEFAULT;
2372
2373 chardev = qemu_opt_get(opts, "chardev");
2374 chr = qemu_chr_find(chardev);
2375 if (chr == NULL) {
2376 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2377 exit(1);
2378 }
2379
2380 qemu_chr_fe_claim_no_fail(chr);
2381 monitor_init(chr, flags);
2382 return 0;
2383 }
2384
2385 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2386 {
2387 static int monitor_device_index = 0;
2388 Error *local_err = NULL;
2389 QemuOpts *opts;
2390 const char *p;
2391 char label[32];
2392 int def = 0;
2393
2394 if (strstart(optarg, "chardev:", &p)) {
2395 snprintf(label, sizeof(label), "%s", p);
2396 } else {
2397 snprintf(label, sizeof(label), "compat_monitor%d",
2398 monitor_device_index);
2399 if (monitor_device_index == 0) {
2400 def = 1;
2401 }
2402 opts = qemu_chr_parse_compat(label, optarg);
2403 if (!opts) {
2404 fprintf(stderr, "parse error: %s\n", optarg);
2405 exit(1);
2406 }
2407 }
2408
2409 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2410 if (!opts) {
2411 error_report_err(local_err);
2412 exit(1);
2413 }
2414 qemu_opt_set(opts, "mode", mode, &error_abort);
2415 qemu_opt_set(opts, "chardev", label, &error_abort);
2416 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2417 if (def)
2418 qemu_opt_set(opts, "default", "on", &error_abort);
2419 monitor_device_index++;
2420 }
2421
2422 struct device_config {
2423 enum {
2424 DEV_USB, /* -usbdevice */
2425 DEV_BT, /* -bt */
2426 DEV_SERIAL, /* -serial */
2427 DEV_PARALLEL, /* -parallel */
2428 DEV_VIRTCON, /* -virtioconsole */
2429 DEV_DEBUGCON, /* -debugcon */
2430 DEV_GDB, /* -gdb, -s */
2431 DEV_SCLP, /* s390 sclp */
2432 } type;
2433 const char *cmdline;
2434 Location loc;
2435 QTAILQ_ENTRY(device_config) next;
2436 };
2437
2438 static QTAILQ_HEAD(, device_config) device_configs =
2439 QTAILQ_HEAD_INITIALIZER(device_configs);
2440
2441 static void add_device_config(int type, const char *cmdline)
2442 {
2443 struct device_config *conf;
2444
2445 conf = g_malloc0(sizeof(*conf));
2446 conf->type = type;
2447 conf->cmdline = cmdline;
2448 loc_save(&conf->loc);
2449 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2450 }
2451
2452 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2453 {
2454 struct device_config *conf;
2455 int rc;
2456
2457 QTAILQ_FOREACH(conf, &device_configs, next) {
2458 if (conf->type != type)
2459 continue;
2460 loc_push_restore(&conf->loc);
2461 rc = func(conf->cmdline);
2462 loc_pop(&conf->loc);
2463 if (rc) {
2464 return rc;
2465 }
2466 }
2467 return 0;
2468 }
2469
2470 static int serial_parse(const char *devname)
2471 {
2472 static int index = 0;
2473 char label[32];
2474
2475 if (strcmp(devname, "none") == 0)
2476 return 0;
2477 if (index == MAX_SERIAL_PORTS) {
2478 fprintf(stderr, "qemu: too many serial ports\n");
2479 exit(1);
2480 }
2481 snprintf(label, sizeof(label), "serial%d", index);
2482 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2483 if (!serial_hds[index]) {
2484 fprintf(stderr, "qemu: could not connect serial device"
2485 " to character backend '%s'\n", devname);
2486 return -1;
2487 }
2488 index++;
2489 return 0;
2490 }
2491
2492 static int parallel_parse(const char *devname)
2493 {
2494 static int index = 0;
2495 char label[32];
2496
2497 if (strcmp(devname, "none") == 0)
2498 return 0;
2499 if (index == MAX_PARALLEL_PORTS) {
2500 fprintf(stderr, "qemu: too many parallel ports\n");
2501 exit(1);
2502 }
2503 snprintf(label, sizeof(label), "parallel%d", index);
2504 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2505 if (!parallel_hds[index]) {
2506 fprintf(stderr, "qemu: could not connect parallel device"
2507 " to character backend '%s'\n", devname);
2508 return -1;
2509 }
2510 index++;
2511 return 0;
2512 }
2513
2514 static int virtcon_parse(const char *devname)
2515 {
2516 QemuOptsList *device = qemu_find_opts("device");
2517 static int index = 0;
2518 char label[32];
2519 QemuOpts *bus_opts, *dev_opts;
2520
2521 if (strcmp(devname, "none") == 0)
2522 return 0;
2523 if (index == MAX_VIRTIO_CONSOLES) {
2524 fprintf(stderr, "qemu: too many virtio consoles\n");
2525 exit(1);
2526 }
2527
2528 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2529 if (arch_type == QEMU_ARCH_S390X) {
2530 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2531 } else {
2532 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2533 }
2534
2535 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2536 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2537
2538 snprintf(label, sizeof(label), "virtcon%d", index);
2539 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2540 if (!virtcon_hds[index]) {
2541 fprintf(stderr, "qemu: could not connect virtio console"
2542 " to character backend '%s'\n", devname);
2543 return -1;
2544 }
2545 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2546
2547 index++;
2548 return 0;
2549 }
2550
2551 static int sclp_parse(const char *devname)
2552 {
2553 QemuOptsList *device = qemu_find_opts("device");
2554 static int index = 0;
2555 char label[32];
2556 QemuOpts *dev_opts;
2557
2558 if (strcmp(devname, "none") == 0) {
2559 return 0;
2560 }
2561 if (index == MAX_SCLP_CONSOLES) {
2562 fprintf(stderr, "qemu: too many sclp consoles\n");
2563 exit(1);
2564 }
2565
2566 assert(arch_type == QEMU_ARCH_S390X);
2567
2568 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2569 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2570
2571 snprintf(label, sizeof(label), "sclpcon%d", index);
2572 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2573 if (!sclp_hds[index]) {
2574 fprintf(stderr, "qemu: could not connect sclp console"
2575 " to character backend '%s'\n", devname);
2576 return -1;
2577 }
2578 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2579
2580 index++;
2581 return 0;
2582 }
2583
2584 static int debugcon_parse(const char *devname)
2585 {
2586 QemuOpts *opts;
2587
2588 if (!qemu_chr_new("debugcon", devname, NULL)) {
2589 exit(1);
2590 }
2591 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2592 if (!opts) {
2593 fprintf(stderr, "qemu: already have a debugcon device\n");
2594 exit(1);
2595 }
2596 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2597 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2598 return 0;
2599 }
2600
2601 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2602 {
2603 const MachineClass *mc1 = a, *mc2 = b;
2604 int res;
2605
2606 if (mc1->family == NULL) {
2607 if (mc2->family == NULL) {
2608 /* Compare standalone machine types against each other; they sort
2609 * in increasing order.
2610 */
2611 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2612 object_class_get_name(OBJECT_CLASS(mc2)));
2613 }
2614
2615 /* Standalone machine types sort after families. */
2616 return 1;
2617 }
2618
2619 if (mc2->family == NULL) {
2620 /* Families sort before standalone machine types. */
2621 return -1;
2622 }
2623
2624 /* Families sort between each other alphabetically increasingly. */
2625 res = strcmp(mc1->family, mc2->family);
2626 if (res != 0) {
2627 return res;
2628 }
2629
2630 /* Within the same family, machine types sort in decreasing order. */
2631 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2632 object_class_get_name(OBJECT_CLASS(mc1)));
2633 }
2634
2635 static MachineClass *machine_parse(const char *name)
2636 {
2637 MachineClass *mc = NULL;
2638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2639
2640 if (name) {
2641 mc = find_machine(name);
2642 }
2643 if (mc) {
2644 g_slist_free(machines);
2645 return mc;
2646 }
2647 if (name && !is_help_option(name)) {
2648 error_report("Unsupported machine type");
2649 error_printf("Use -machine help to list supported machines!\n");
2650 } else {
2651 printf("Supported machines are:\n");
2652 machines = g_slist_sort(machines, machine_class_cmp);
2653 for (el = machines; el; el = el->next) {
2654 MachineClass *mc = el->data;
2655 if (mc->alias) {
2656 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2657 }
2658 printf("%-20s %s%s\n", mc->name, mc->desc,
2659 mc->is_default ? " (default)" : "");
2660 }
2661 }
2662
2663 g_slist_free(machines);
2664 exit(!name || !is_help_option(name));
2665 }
2666
2667 void qemu_add_exit_notifier(Notifier *notify)
2668 {
2669 notifier_list_add(&exit_notifiers, notify);
2670 }
2671
2672 void qemu_remove_exit_notifier(Notifier *notify)
2673 {
2674 notifier_remove(notify);
2675 }
2676
2677 static void qemu_run_exit_notifiers(void)
2678 {
2679 notifier_list_notify(&exit_notifiers, NULL);
2680 }
2681
2682 static bool machine_init_done;
2683
2684 void qemu_add_machine_init_done_notifier(Notifier *notify)
2685 {
2686 notifier_list_add(&machine_init_done_notifiers, notify);
2687 if (machine_init_done) {
2688 notify->notify(notify, NULL);
2689 }
2690 }
2691
2692 static void qemu_run_machine_init_done_notifiers(void)
2693 {
2694 notifier_list_notify(&machine_init_done_notifiers, NULL);
2695 machine_init_done = true;
2696 }
2697
2698 static const QEMUOption *lookup_opt(int argc, char **argv,
2699 const char **poptarg, int *poptind)
2700 {
2701 const QEMUOption *popt;
2702 int optind = *poptind;
2703 char *r = argv[optind];
2704 const char *optarg;
2705
2706 loc_set_cmdline(argv, optind, 1);
2707 optind++;
2708 /* Treat --foo the same as -foo. */
2709 if (r[1] == '-')
2710 r++;
2711 popt = qemu_options;
2712 for(;;) {
2713 if (!popt->name) {
2714 error_report("invalid option");
2715 exit(1);
2716 }
2717 if (!strcmp(popt->name, r + 1))
2718 break;
2719 popt++;
2720 }
2721 if (popt->flags & HAS_ARG) {
2722 if (optind >= argc) {
2723 error_report("requires an argument");
2724 exit(1);
2725 }
2726 optarg = argv[optind++];
2727 loc_set_cmdline(argv, optind - 2, 2);
2728 } else {
2729 optarg = NULL;
2730 }
2731
2732 *poptarg = optarg;
2733 *poptind = optind;
2734
2735 return popt;
2736 }
2737
2738 static gpointer malloc_and_trace(gsize n_bytes)
2739 {
2740 void *ptr = malloc(n_bytes);
2741 trace_g_malloc(n_bytes, ptr);
2742 return ptr;
2743 }
2744
2745 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2746 {
2747 void *ptr = realloc(mem, n_bytes);
2748 trace_g_realloc(mem, n_bytes, ptr);
2749 return ptr;
2750 }
2751
2752 static void free_and_trace(gpointer mem)
2753 {
2754 trace_g_free(mem);
2755 free(mem);
2756 }
2757
2758 static int machine_set_property(void *opaque,
2759 const char *name, const char *value,
2760 Error **errp)
2761 {
2762 Object *obj = OBJECT(opaque);
2763 Error *local_err = NULL;
2764 char *c, *qom_name;
2765
2766 if (strcmp(name, "type") == 0) {
2767 return 0;
2768 }
2769
2770 qom_name = g_strdup(name);
2771 c = qom_name;
2772 while (*c++) {
2773 if (*c == '_') {
2774 *c = '-';
2775 }
2776 }
2777
2778 object_property_parse(obj, value, qom_name, &local_err);
2779 g_free(qom_name);
2780
2781 if (local_err) {
2782 error_report_err(local_err);
2783 return -1;
2784 }
2785
2786 return 0;
2787 }
2788
2789
2790 /*
2791 * Initial object creation happens before all other
2792 * QEMU data types are created. The majority of objects
2793 * can be created at this point. The rng-egd object
2794 * cannot be created here, as it depends on the chardev
2795 * already existing.
2796 */
2797 static bool object_create_initial(const char *type)
2798 {
2799 if (g_str_equal(type, "rng-egd")) {
2800 return false;
2801 }
2802 return true;
2803 }
2804
2805
2806 /*
2807 * The remainder of object creation happens after the
2808 * creation of chardev, fsdev and device data types.
2809 */
2810 static bool object_create_delayed(const char *type)
2811 {
2812 return !object_create_initial(type);
2813 }
2814
2815
2816 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2817 {
2818 Error *err = NULL;
2819 char *type = NULL;
2820 char *id = NULL;
2821 void *dummy = NULL;
2822 OptsVisitor *ov;
2823 QDict *pdict;
2824 bool (*type_predicate)(const char *) = opaque;
2825
2826 ov = opts_visitor_new(opts);
2827 pdict = qemu_opts_to_qdict(opts, NULL);
2828
2829 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2830 if (err) {
2831 goto out;
2832 }
2833
2834 qdict_del(pdict, "qom-type");
2835 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2836 if (err) {
2837 goto out;
2838 }
2839 if (!type_predicate(type)) {
2840 goto out;
2841 }
2842
2843 qdict_del(pdict, "id");
2844 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2845 if (err) {
2846 goto out;
2847 }
2848
2849 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2850 if (err) {
2851 goto out;
2852 }
2853 visit_end_struct(opts_get_visitor(ov), &err);
2854 if (err) {
2855 qmp_object_del(id, NULL);
2856 }
2857
2858 out:
2859 opts_visitor_cleanup(ov);
2860
2861 QDECREF(pdict);
2862 g_free(id);
2863 g_free(type);
2864 g_free(dummy);
2865 if (err) {
2866 error_report_err(err);
2867 return -1;
2868 }
2869 return 0;
2870 }
2871
2872 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2873 MachineClass *mc)
2874 {
2875 uint64_t sz;
2876 const char *mem_str;
2877 const char *maxmem_str, *slots_str;
2878 const ram_addr_t default_ram_size = mc->default_ram_size;
2879 QemuOpts *opts = qemu_find_opts_singleton("memory");
2880
2881 sz = 0;
2882 mem_str = qemu_opt_get(opts, "size");
2883 if (mem_str) {
2884 if (!*mem_str) {
2885 error_report("missing 'size' option value");
2886 exit(EXIT_FAILURE);
2887 }
2888
2889 sz = qemu_opt_get_size(opts, "size", ram_size);
2890
2891 /* Fix up legacy suffix-less format */
2892 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2893 uint64_t overflow_check = sz;
2894
2895 sz <<= 20;
2896 if ((sz >> 20) != overflow_check) {
2897 error_report("too large 'size' option value");
2898 exit(EXIT_FAILURE);
2899 }
2900 }
2901 }
2902
2903 /* backward compatibility behaviour for case "-m 0" */
2904 if (sz == 0) {
2905 sz = default_ram_size;
2906 }
2907
2908 sz = QEMU_ALIGN_UP(sz, 8192);
2909 ram_size = sz;
2910 if (ram_size != sz) {
2911 error_report("ram size too large");
2912 exit(EXIT_FAILURE);
2913 }
2914
2915 /* store value for the future use */
2916 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2917 *maxram_size = ram_size;
2918
2919 maxmem_str = qemu_opt_get(opts, "maxmem");
2920 slots_str = qemu_opt_get(opts, "slots");
2921 if (maxmem_str && slots_str) {
2922 uint64_t slots;
2923
2924 sz = qemu_opt_get_size(opts, "maxmem", 0);
2925 slots = qemu_opt_get_number(opts, "slots", 0);
2926 if (sz < ram_size) {
2927 error_report("invalid value of -m option maxmem: "
2928 "maximum memory size (0x%" PRIx64 ") must be at least "
2929 "the initial memory size (0x" RAM_ADDR_FMT ")",
2930 sz, ram_size);
2931 exit(EXIT_FAILURE);
2932 } else if (sz > ram_size) {
2933 if (!slots) {
2934 error_report("invalid value of -m option: maxmem was "
2935 "specified, but no hotplug slots were specified");
2936 exit(EXIT_FAILURE);
2937 }
2938 } else if (slots) {
2939 error_report("invalid value of -m option maxmem: "
2940 "memory slots were specified but maximum memory size "
2941 "(0x%" PRIx64 ") is equal to the initial memory size "
2942 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2943 exit(EXIT_FAILURE);
2944 }
2945
2946 *maxram_size = sz;
2947 *ram_slots = slots;
2948 } else if ((!maxmem_str && slots_str) ||
2949 (maxmem_str && !slots_str)) {
2950 error_report("invalid -m option value: missing "
2951 "'%s' option", slots_str ? "maxmem" : "slots");
2952 exit(EXIT_FAILURE);
2953 }
2954 }
2955
2956 int main(int argc, char **argv)
2957 {
2958 int i;
2959 int snapshot, linux_boot;
2960 const char *initrd_filename;
2961 const char *kernel_filename, *kernel_cmdline;
2962 const char *boot_order = NULL;
2963 const char *boot_once = NULL;
2964 DisplayState *ds;
2965 int cyls, heads, secs, translation;
2966 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2967 QemuOptsList *olist;
2968 int optind;
2969 const char *optarg;
2970 const char *loadvm = NULL;
2971 MachineClass *machine_class;
2972 const char *cpu_model;
2973 const char *vga_model = NULL;
2974 const char *qtest_chrdev = NULL;
2975 const char *qtest_log = NULL;
2976 const char *pid_file = NULL;
2977 const char *incoming = NULL;
2978 #ifdef CONFIG_VNC
2979 int show_vnc_port = 0;
2980 #endif
2981 bool defconfig = true;
2982 bool userconfig = true;
2983 const char *log_mask = NULL;
2984 const char *log_file = NULL;
2985 GMemVTable mem_trace = {
2986 .malloc = malloc_and_trace,
2987 .realloc = realloc_and_trace,
2988 .free = free_and_trace,
2989 };
2990 const char *trace_events = NULL;
2991 const char *trace_file = NULL;
2992 ram_addr_t maxram_size;
2993 uint64_t ram_slots = 0;
2994 FILE *vmstate_dump_file = NULL;
2995 Error *main_loop_err = NULL;
2996 Error *err = NULL;
2997
2998 qemu_init_cpu_loop();
2999 qemu_mutex_lock_iothread();
3000
3001 atexit(qemu_run_exit_notifiers);
3002 error_set_progname(argv[0]);
3003 qemu_init_exec_dir(argv[0]);
3004
3005 g_mem_set_vtable(&mem_trace);
3006
3007 module_call_init(MODULE_INIT_QOM);
3008
3009 qemu_add_opts(&qemu_drive_opts);
3010 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3011 qemu_add_drive_opts(&qemu_common_drive_opts);
3012 qemu_add_drive_opts(&qemu_drive_opts);
3013 qemu_add_opts(&qemu_chardev_opts);
3014 qemu_add_opts(&qemu_device_opts);
3015 qemu_add_opts(&qemu_netdev_opts);
3016 qemu_add_opts(&qemu_net_opts);
3017 qemu_add_opts(&qemu_rtc_opts);
3018 qemu_add_opts(&qemu_global_opts);
3019 qemu_add_opts(&qemu_mon_opts);
3020 qemu_add_opts(&qemu_trace_opts);
3021 qemu_add_opts(&qemu_option_rom_opts);
3022 qemu_add_opts(&qemu_machine_opts);
3023 qemu_add_opts(&qemu_mem_opts);
3024 qemu_add_opts(&qemu_smp_opts);
3025 qemu_add_opts(&qemu_boot_opts);
3026 qemu_add_opts(&qemu_sandbox_opts);
3027 qemu_add_opts(&qemu_add_fd_opts);
3028 qemu_add_opts(&qemu_object_opts);
3029 qemu_add_opts(&qemu_tpmdev_opts);
3030 qemu_add_opts(&qemu_realtime_opts);
3031 qemu_add_opts(&qemu_msg_opts);
3032 qemu_add_opts(&qemu_name_opts);
3033 qemu_add_opts(&qemu_numa_opts);
3034 qemu_add_opts(&qemu_icount_opts);
3035 qemu_add_opts(&qemu_semihosting_config_opts);
3036 qemu_add_opts(&qemu_fw_cfg_opts);
3037
3038 runstate_init();
3039
3040 if (qcrypto_init(&err) < 0) {
3041 fprintf(stderr, "Cannot initialize crypto: %s\n",
3042 error_get_pretty(err));
3043 exit(1);
3044 }
3045 rtc_clock = QEMU_CLOCK_HOST;
3046
3047 QLIST_INIT (&vm_change_state_head);
3048 os_setup_early_signal_handling();
3049
3050 module_call_init(MODULE_INIT_MACHINE);
3051 machine_class = 0;
3052 optarg = strrchr(argv[0], '/');
3053 if (optarg != 0) {
3054 machine_class = find_machine(optarg + 1);
3055 }
3056 if (!machine_class) {
3057 machine_class = find_default_machine();
3058 }
3059 cpu_model = NULL;
3060 snapshot = 0;
3061 cyls = heads = secs = 0;
3062 translation = BIOS_ATA_TRANSLATION_AUTO;
3063
3064 nb_nics = 0;
3065
3066 bdrv_init_with_whitelist();
3067
3068 autostart = 1;
3069
3070 /* first pass of option parsing */
3071 optind = 1;
3072 while (optind < argc) {
3073 if (argv[optind][0] != '-') {
3074 /* disk image */
3075 optind++;
3076 } else {
3077 const QEMUOption *popt;
3078
3079 popt = lookup_opt(argc, argv, &optarg, &optind);
3080 switch (popt->index) {
3081 case QEMU_OPTION_nodefconfig:
3082 defconfig = false;
3083 break;
3084 case QEMU_OPTION_nouserconfig:
3085 userconfig = false;
3086 break;
3087 }
3088 }
3089 }
3090
3091 if (defconfig) {
3092 int ret;
3093 ret = qemu_read_default_config_files(userconfig);
3094 if (ret < 0) {
3095 exit(1);
3096 }
3097 }
3098
3099 /* second pass of option parsing */
3100 optind = 1;
3101 for(;;) {
3102 if (optind >= argc)
3103 break;
3104 if (argv[optind][0] != '-') {
3105 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3106 } else {
3107 const QEMUOption *popt;
3108
3109 popt = lookup_opt(argc, argv, &optarg, &optind);
3110 if (!(popt->arch_mask & arch_type)) {
3111 printf("Option %s not supported for this target\n", popt->name);
3112 exit(1);
3113 }
3114 switch(popt->index) {
3115 case QEMU_OPTION_no_kvm_irqchip: {
3116 olist = qemu_find_opts("machine");
3117 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3118 break;
3119 }
3120 case QEMU_OPTION_cpu:
3121 /* hw initialization will check this */
3122 cpu_model = optarg;
3123 break;
3124 case QEMU_OPTION_hda:
3125 {
3126 char buf[256];
3127 if (cyls == 0)
3128 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3129 else
3130 snprintf(buf, sizeof(buf),
3131 "%s,cyls=%d,heads=%d,secs=%d%s",
3132 HD_OPTS , cyls, heads, secs,
3133 translation == BIOS_ATA_TRANSLATION_LBA ?
3134 ",trans=lba" :
3135 translation == BIOS_ATA_TRANSLATION_NONE ?
3136 ",trans=none" : "");
3137 drive_add(IF_DEFAULT, 0, optarg, buf);
3138 break;
3139 }
3140 case QEMU_OPTION_hdb:
3141 case QEMU_OPTION_hdc:
3142 case QEMU_OPTION_hdd:
3143 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3144 HD_OPTS);
3145 break;
3146 case QEMU_OPTION_drive:
3147 if (drive_def(optarg) == NULL) {
3148 exit(1);
3149 }
3150 break;
3151 case QEMU_OPTION_set:
3152 if (qemu_set_option(optarg) != 0)
3153 exit(1);
3154 break;
3155 case QEMU_OPTION_global:
3156 if (qemu_global_option(optarg) != 0)
3157 exit(1);
3158 break;
3159 case QEMU_OPTION_mtdblock:
3160 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3161 break;
3162 case QEMU_OPTION_sd:
3163 drive_add(IF_SD, -1, optarg, SD_OPTS);
3164 break;
3165 case QEMU_OPTION_pflash:
3166 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3167 break;
3168 case QEMU_OPTION_snapshot:
3169 snapshot = 1;
3170 break;
3171 case QEMU_OPTION_hdachs:
3172 {
3173 const char *p;
3174 p = optarg;
3175 cyls = strtol(p, (char **)&p, 0);
3176 if (cyls < 1 || cyls > 16383)
3177 goto chs_fail;
3178 if (*p != ',')
3179 goto chs_fail;
3180 p++;
3181 heads = strtol(p, (char **)&p, 0);
3182 if (heads < 1 || heads > 16)
3183 goto chs_fail;
3184 if (*p != ',')
3185 goto chs_fail;
3186 p++;
3187 secs = strtol(p, (char **)&p, 0);
3188 if (secs < 1 || secs > 63)
3189 goto chs_fail;
3190 if (*p == ',') {
3191 p++;
3192 if (!strcmp(p, "large")) {
3193 translation = BIOS_ATA_TRANSLATION_LARGE;
3194 } else if (!strcmp(p, "rechs")) {
3195 translation = BIOS_ATA_TRANSLATION_RECHS;
3196 } else if (!strcmp(p, "none")) {
3197 translation = BIOS_ATA_TRANSLATION_NONE;
3198 } else if (!strcmp(p, "lba")) {
3199 translation = BIOS_ATA_TRANSLATION_LBA;
3200 } else if (!strcmp(p, "auto")) {
3201 translation = BIOS_ATA_TRANSLATION_AUTO;
3202 } else {
3203 goto chs_fail;
3204 }
3205 } else if (*p != '\0') {
3206 chs_fail:
3207 fprintf(stderr, "qemu: invalid physical CHS format\n");
3208 exit(1);
3209 }
3210 if (hda_opts != NULL) {
3211 qemu_opt_set_number(hda_opts, "cyls", cyls,
3212 &error_abort);
3213 qemu_opt_set_number(hda_opts, "heads", heads,
3214 &error_abort);
3215 qemu_opt_set_number(hda_opts, "secs", secs,
3216 &error_abort);
3217 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3218 qemu_opt_set(hda_opts, "trans", "large",
3219 &error_abort);
3220 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3221 qemu_opt_set(hda_opts, "trans", "rechs",
3222 &error_abort);
3223 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3224 qemu_opt_set(hda_opts, "trans", "lba",
3225 &error_abort);
3226 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3227 qemu_opt_set(hda_opts, "trans", "none",
3228 &error_abort);
3229 }
3230 }
3231 }
3232 break;
3233 case QEMU_OPTION_numa:
3234 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3235 optarg, true);
3236 if (!opts) {
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_display:
3241 display_type = select_display(optarg);
3242 break;
3243 case QEMU_OPTION_nographic:
3244 display_type = DT_NOGRAPHIC;
3245 break;
3246 case QEMU_OPTION_curses:
3247 #ifdef CONFIG_CURSES
3248 display_type = DT_CURSES;
3249 #else
3250 fprintf(stderr, "Curses support is disabled\n");
3251 exit(1);
3252 #endif
3253 break;
3254 case QEMU_OPTION_portrait:
3255 graphic_rotate = 90;
3256 break;
3257 case QEMU_OPTION_rotate:
3258 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3259 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3260 graphic_rotate != 180 && graphic_rotate != 270) {
3261 fprintf(stderr,
3262 "qemu: only 90, 180, 270 deg rotation is available\n");
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_kernel:
3267 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3268 &error_abort);
3269 break;
3270 case QEMU_OPTION_initrd:
3271 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3272 &error_abort);
3273 break;
3274 case QEMU_OPTION_append:
3275 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3276 &error_abort);
3277 break;
3278 case QEMU_OPTION_dtb:
3279 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3280 &error_abort);
3281 break;
3282 case QEMU_OPTION_cdrom:
3283 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3284 break;
3285 case QEMU_OPTION_boot:
3286 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3287 optarg, true);
3288 if (!opts) {
3289 exit(1);
3290 }
3291 break;
3292 case QEMU_OPTION_fda:
3293 case QEMU_OPTION_fdb:
3294 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3295 optarg, FD_OPTS);
3296 break;
3297 case QEMU_OPTION_no_fd_bootchk:
3298 fd_bootchk = 0;
3299 break;
3300 case QEMU_OPTION_netdev:
3301 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3302 exit(1);
3303 }
3304 break;
3305 case QEMU_OPTION_net:
3306 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3307 exit(1);
3308 }
3309 break;
3310 #ifdef CONFIG_LIBISCSI
3311 case QEMU_OPTION_iscsi:
3312 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3313 optarg, false);
3314 if (!opts) {
3315 exit(1);
3316 }
3317 break;
3318 #endif
3319 #ifdef CONFIG_SLIRP
3320 case QEMU_OPTION_tftp:
3321 legacy_tftp_prefix = optarg;
3322 break;
3323 case QEMU_OPTION_bootp:
3324 legacy_bootp_filename = optarg;
3325 break;
3326 case QEMU_OPTION_redir:
3327 if (net_slirp_redir(optarg) < 0)
3328 exit(1);
3329 break;
3330 #endif
3331 case QEMU_OPTION_bt:
3332 add_device_config(DEV_BT, optarg);
3333 break;
3334 case QEMU_OPTION_audio_help:
3335 AUD_help ();
3336 exit (0);
3337 break;
3338 case QEMU_OPTION_soundhw:
3339 select_soundhw (optarg);
3340 break;
3341 case QEMU_OPTION_h:
3342 help(0);
3343 break;
3344 case QEMU_OPTION_version:
3345 version();
3346 exit(0);
3347 break;
3348 case QEMU_OPTION_m:
3349 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3350 optarg, true);
3351 if (!opts) {
3352 exit(EXIT_FAILURE);
3353 }
3354 break;
3355 #ifdef CONFIG_TPM
3356 case QEMU_OPTION_tpmdev:
3357 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3358 exit(1);
3359 }
3360 break;
3361 #endif
3362 case QEMU_OPTION_mempath:
3363 mem_path = optarg;
3364 break;
3365 case QEMU_OPTION_mem_prealloc:
3366 mem_prealloc = 1;
3367 break;
3368 case QEMU_OPTION_d:
3369 log_mask = optarg;
3370 break;
3371 case QEMU_OPTION_D:
3372 log_file = optarg;
3373 break;
3374 case QEMU_OPTION_s:
3375 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3376 break;
3377 case QEMU_OPTION_gdb:
3378 add_device_config(DEV_GDB, optarg);
3379 break;
3380 case QEMU_OPTION_L:
3381 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3382 data_dir[data_dir_idx++] = optarg;
3383 }
3384 break;
3385 case QEMU_OPTION_bios:
3386 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3387 &error_abort);
3388 break;
3389 case QEMU_OPTION_singlestep:
3390 singlestep = 1;
3391 break;
3392 case QEMU_OPTION_S:
3393 autostart = 0;
3394 break;
3395 case QEMU_OPTION_k:
3396 keyboard_layout = optarg;
3397 break;
3398 case QEMU_OPTION_localtime:
3399 rtc_utc = 0;
3400 break;
3401 case QEMU_OPTION_vga:
3402 vga_model = optarg;
3403 default_vga = 0;
3404 break;
3405 case QEMU_OPTION_g:
3406 {
3407 const char *p;
3408 int w, h, depth;
3409 p = optarg;
3410 w = strtol(p, (char **)&p, 10);
3411 if (w <= 0) {
3412 graphic_error:
3413 fprintf(stderr, "qemu: invalid resolution or depth\n");
3414 exit(1);
3415 }
3416 if (*p != 'x')
3417 goto graphic_error;
3418 p++;
3419 h = strtol(p, (char **)&p, 10);
3420 if (h <= 0)
3421 goto graphic_error;
3422 if (*p == 'x') {
3423 p++;
3424 depth = strtol(p, (char **)&p, 10);
3425 if (depth != 8 && depth != 15 && depth != 16 &&
3426 depth != 24 && depth != 32)
3427 goto graphic_error;
3428 } else if (*p == '\0') {
3429 depth = graphic_depth;
3430 } else {
3431 goto graphic_error;
3432 }
3433
3434 graphic_width = w;
3435 graphic_height = h;
3436 graphic_depth = depth;
3437 }
3438 break;
3439 case QEMU_OPTION_echr:
3440 {
3441 char *r;
3442 term_escape_char = strtol(optarg, &r, 0);
3443 if (r == optarg)
3444 printf("Bad argument to echr\n");
3445 break;
3446 }
3447 case QEMU_OPTION_monitor:
3448 default_monitor = 0;
3449 if (strncmp(optarg, "none", 4)) {
3450 monitor_parse(optarg, "readline", false);
3451 }
3452 break;
3453 case QEMU_OPTION_qmp:
3454 monitor_parse(optarg, "control", false);
3455 default_monitor = 0;
3456 break;
3457 case QEMU_OPTION_qmp_pretty:
3458 monitor_parse(optarg, "control", true);
3459 default_monitor = 0;
3460 break;
3461 case QEMU_OPTION_mon:
3462 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3463 true);
3464 if (!opts) {
3465 exit(1);
3466 }
3467 default_monitor = 0;
3468 break;
3469 case QEMU_OPTION_chardev:
3470 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3471 optarg, true);
3472 if (!opts) {
3473 exit(1);
3474 }
3475 break;
3476 case QEMU_OPTION_fsdev:
3477 olist = qemu_find_opts("fsdev");
3478 if (!olist) {
3479 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3480 exit(1);
3481 }
3482 opts = qemu_opts_parse_noisily(olist, optarg, true);
3483 if (!opts) {
3484 exit(1);
3485 }
3486 break;
3487 case QEMU_OPTION_virtfs: {
3488 QemuOpts *fsdev;
3489 QemuOpts *device;
3490 const char *writeout, *sock_fd, *socket;
3491
3492 olist = qemu_find_opts("virtfs");
3493 if (!olist) {
3494 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3495 exit(1);
3496 }
3497 opts = qemu_opts_parse_noisily(olist, optarg, true);
3498 if (!opts) {
3499 exit(1);
3500 }
3501
3502 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3503 qemu_opt_get(opts, "mount_tag") == NULL) {
3504 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3505 exit(1);
3506 }
3507 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3508 qemu_opt_get(opts, "mount_tag"),
3509 1, NULL);
3510 if (!fsdev) {
3511 fprintf(stderr, "duplicate fsdev id: %s\n",
3512 qemu_opt_get(opts, "mount_tag"));
3513 exit(1);
3514 }
3515
3516 writeout = qemu_opt_get(opts, "writeout");
3517 if (writeout) {
3518 #ifdef CONFIG_SYNC_FILE_RANGE
3519 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3520 #else
3521 fprintf(stderr, "writeout=immediate not supported on "
3522 "this platform\n");
3523 exit(1);
3524 #endif
3525 }
3526 qemu_opt_set(fsdev, "fsdriver",
3527 qemu_opt_get(opts, "fsdriver"), &error_abort);
3528 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3529 &error_abort);
3530 qemu_opt_set(fsdev, "security_model",
3531 qemu_opt_get(opts, "security_model"),
3532 &error_abort);
3533 socket = qemu_opt_get(opts, "socket");
3534 if (socket) {
3535 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3536 }
3537 sock_fd = qemu_opt_get(opts, "sock_fd");
3538 if (sock_fd) {
3539 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3540 }
3541
3542 qemu_opt_set_bool(fsdev, "readonly",
3543 qemu_opt_get_bool(opts, "readonly", 0),
3544 &error_abort);
3545 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3546 &error_abort);
3547 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3548 qemu_opt_set(device, "fsdev",
3549 qemu_opt_get(opts, "mount_tag"), &error_abort);
3550 qemu_opt_set(device, "mount_tag",
3551 qemu_opt_get(opts, "mount_tag"), &error_abort);
3552 break;
3553 }
3554 case QEMU_OPTION_virtfs_synth: {
3555 QemuOpts *fsdev;
3556 QemuOpts *device;
3557
3558 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3559 1, NULL);
3560 if (!fsdev) {
3561 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3562 exit(1);
3563 }
3564 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3565
3566 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3567 &error_abort);
3568 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3569 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3570 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3571 break;
3572 }
3573 case QEMU_OPTION_serial:
3574 add_device_config(DEV_SERIAL, optarg);
3575 default_serial = 0;
3576 if (strncmp(optarg, "mon:", 4) == 0) {
3577 default_monitor = 0;
3578 }
3579 break;
3580 case QEMU_OPTION_watchdog:
3581 if (watchdog) {
3582 fprintf(stderr,
3583 "qemu: only one watchdog option may be given\n");
3584 return 1;
3585 }
3586 watchdog = optarg;
3587 break;
3588 case QEMU_OPTION_watchdog_action:
3589 if (select_watchdog_action(optarg) == -1) {
3590 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3591 exit(1);
3592 }
3593 break;
3594 case QEMU_OPTION_virtiocon:
3595 add_device_config(DEV_VIRTCON, optarg);
3596 default_virtcon = 0;
3597 if (strncmp(optarg, "mon:", 4) == 0) {
3598 default_monitor = 0;
3599 }
3600 break;
3601 case QEMU_OPTION_parallel:
3602 add_device_config(DEV_PARALLEL, optarg);
3603 default_parallel = 0;
3604 if (strncmp(optarg, "mon:", 4) == 0) {
3605 default_monitor = 0;
3606 }
3607 break;
3608 case QEMU_OPTION_debugcon:
3609 add_device_config(DEV_DEBUGCON, optarg);
3610 break;
3611 case QEMU_OPTION_loadvm:
3612 loadvm = optarg;
3613 break;
3614 case QEMU_OPTION_full_screen:
3615 full_screen = 1;
3616 break;
3617 case QEMU_OPTION_no_frame:
3618 no_frame = 1;
3619 break;
3620 case QEMU_OPTION_alt_grab:
3621 alt_grab = 1;
3622 break;
3623 case QEMU_OPTION_ctrl_grab:
3624 ctrl_grab = 1;
3625 break;
3626 case QEMU_OPTION_no_quit:
3627 no_quit = 1;
3628 break;
3629 case QEMU_OPTION_sdl:
3630 #ifdef CONFIG_SDL
3631 display_type = DT_SDL;
3632 break;
3633 #else
3634 fprintf(stderr, "SDL support is disabled\n");
3635 exit(1);
3636 #endif
3637 case QEMU_OPTION_pidfile:
3638 pid_file = optarg;
3639 break;
3640 case QEMU_OPTION_win2k_hack:
3641 win2k_install_hack = 1;
3642 break;
3643 case QEMU_OPTION_rtc_td_hack: {
3644 static GlobalProperty slew_lost_ticks[] = {
3645 {
3646 .driver = "mc146818rtc",
3647 .property = "lost_tick_policy",
3648 .value = "slew",
3649 },
3650 { /* end of list */ }
3651 };
3652
3653 qdev_prop_register_global_list(slew_lost_ticks);
3654 break;
3655 }
3656 case QEMU_OPTION_acpitable:
3657 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3658 optarg, true);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 do_acpitable_option(opts);
3663 break;
3664 case QEMU_OPTION_smbios:
3665 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3666 optarg, false);
3667 if (!opts) {
3668 exit(1);
3669 }
3670 do_smbios_option(opts);
3671 break;
3672 case QEMU_OPTION_fwcfg:
3673 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3674 optarg, true);
3675 if (opts == NULL) {
3676 exit(1);
3677 }
3678 break;
3679 case QEMU_OPTION_enable_kvm:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3682 break;
3683 case QEMU_OPTION_M:
3684 case QEMU_OPTION_machine:
3685 olist = qemu_find_opts("machine");
3686 opts = qemu_opts_parse_noisily(olist, optarg, true);
3687 if (!opts) {
3688 exit(1);
3689 }
3690 break;
3691 case QEMU_OPTION_no_kvm:
3692 olist = qemu_find_opts("machine");
3693 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3694 break;
3695 case QEMU_OPTION_no_kvm_pit: {
3696 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3697 "separately.\n");
3698 break;
3699 }
3700 case QEMU_OPTION_no_kvm_pit_reinjection: {
3701 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3702 {
3703 .driver = "kvm-pit",
3704 .property = "lost_tick_policy",
3705 .value = "discard",
3706 },
3707 { /* end of list */ }
3708 };
3709
3710 fprintf(stderr, "Warning: option deprecated, use "
3711 "lost_tick_policy property of kvm-pit instead.\n");
3712 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3713 break;
3714 }
3715 case QEMU_OPTION_usb:
3716 olist = qemu_find_opts("machine");
3717 qemu_opts_parse_noisily(olist, "usb=on", false);
3718 break;
3719 case QEMU_OPTION_usbdevice:
3720 olist = qemu_find_opts("machine");
3721 qemu_opts_parse_noisily(olist, "usb=on", false);
3722 add_device_config(DEV_USB, optarg);
3723 break;
3724 case QEMU_OPTION_device:
3725 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3726 optarg, true)) {
3727 exit(1);
3728 }
3729 break;
3730 case QEMU_OPTION_smp:
3731 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3732 optarg, true)) {
3733 exit(1);
3734 }
3735 break;
3736 case QEMU_OPTION_vnc:
3737 {
3738 #ifdef CONFIG_VNC
3739 Error *local_err = NULL;
3740
3741 if (vnc_parse(optarg, &local_err) == NULL) {
3742 error_report_err(local_err);
3743 exit(1);
3744 }
3745 #else
3746 fprintf(stderr, "VNC support is disabled\n");
3747 exit(1);
3748 #endif
3749 break;
3750 }
3751 case QEMU_OPTION_no_acpi:
3752 acpi_enabled = 0;
3753 break;
3754 case QEMU_OPTION_no_hpet:
3755 no_hpet = 1;
3756 break;
3757 case QEMU_OPTION_balloon:
3758 if (balloon_parse(optarg) < 0) {
3759 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_no_reboot:
3764 no_reboot = 1;
3765 break;
3766 case QEMU_OPTION_no_shutdown:
3767 no_shutdown = 1;
3768 break;
3769 case QEMU_OPTION_show_cursor:
3770 cursor_hide = 0;
3771 break;
3772 case QEMU_OPTION_uuid:
3773 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3774 fprintf(stderr, "Fail to parse UUID string."
3775 " Wrong format.\n");
3776 exit(1);
3777 }
3778 qemu_uuid_set = true;
3779 break;
3780 case QEMU_OPTION_option_rom:
3781 if (nb_option_roms >= MAX_OPTION_ROMS) {
3782 fprintf(stderr, "Too many option ROMs\n");
3783 exit(1);
3784 }
3785 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3786 optarg, true);
3787 if (!opts) {
3788 exit(1);
3789 }
3790 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3791 option_rom[nb_option_roms].bootindex =
3792 qemu_opt_get_number(opts, "bootindex", -1);
3793 if (!option_rom[nb_option_roms].name) {
3794 fprintf(stderr, "Option ROM file is not specified\n");
3795 exit(1);
3796 }
3797 nb_option_roms++;
3798 break;
3799 case QEMU_OPTION_semihosting:
3800 semihosting.enabled = true;
3801 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3802 break;
3803 case QEMU_OPTION_semihosting_config:
3804 semihosting.enabled = true;
3805 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3806 optarg, false);
3807 if (opts != NULL) {
3808 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3809 true);
3810 const char *target = qemu_opt_get(opts, "target");
3811 if (target != NULL) {
3812 if (strcmp("native", target) == 0) {
3813 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3814 } else if (strcmp("gdb", target) == 0) {
3815 semihosting.target = SEMIHOSTING_TARGET_GDB;
3816 } else if (strcmp("auto", target) == 0) {
3817 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3818 } else {
3819 fprintf(stderr, "Unsupported semihosting-config"
3820 " %s\n",
3821 optarg);
3822 exit(1);
3823 }
3824 } else {
3825 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3826 }
3827 /* Set semihosting argument count and vector */
3828 qemu_opt_foreach(opts, add_semihosting_arg,
3829 &semihosting, NULL);
3830 } else {
3831 fprintf(stderr, "Unsupported semihosting-config %s\n",
3832 optarg);
3833 exit(1);
3834 }
3835 break;
3836 case QEMU_OPTION_tdf:
3837 fprintf(stderr, "Warning: user space PIT time drift fix "
3838 "is no longer supported.\n");
3839 break;
3840 case QEMU_OPTION_name:
3841 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3842 optarg, true);
3843 if (!opts) {
3844 exit(1);
3845 }
3846 break;
3847 case QEMU_OPTION_prom_env:
3848 if (nb_prom_envs >= MAX_PROM_ENVS) {
3849 fprintf(stderr, "Too many prom variables\n");
3850 exit(1);
3851 }
3852 prom_envs[nb_prom_envs] = optarg;
3853 nb_prom_envs++;
3854 break;
3855 case QEMU_OPTION_old_param:
3856 old_param = 1;
3857 break;
3858 case QEMU_OPTION_clock:
3859 /* Clock options no longer exist. Keep this option for
3860 * backward compatibility.
3861 */
3862 break;
3863 case QEMU_OPTION_startdate:
3864 configure_rtc_date_offset(optarg, 1);
3865 break;
3866 case QEMU_OPTION_rtc:
3867 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3868 false);
3869 if (!opts) {
3870 exit(1);
3871 }
3872 configure_rtc(opts);
3873 break;
3874 case QEMU_OPTION_tb_size:
3875 tcg_tb_size = strtol(optarg, NULL, 0);
3876 if (tcg_tb_size < 0) {
3877 tcg_tb_size = 0;
3878 }
3879 break;
3880 case QEMU_OPTION_icount:
3881 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3882 optarg, true);
3883 if (!icount_opts) {
3884 exit(1);
3885 }
3886 break;
3887 case QEMU_OPTION_incoming:
3888 if (!incoming) {
3889 runstate_set(RUN_STATE_INMIGRATE);
3890 }
3891 incoming = optarg;
3892 break;
3893 case QEMU_OPTION_nodefaults:
3894 has_defaults = 0;
3895 break;
3896 case QEMU_OPTION_xen_domid:
3897 if (!(xen_available())) {
3898 printf("Option %s not supported for this target\n", popt->name);
3899 exit(1);
3900 }
3901 xen_domid = atoi(optarg);
3902 break;
3903 case QEMU_OPTION_xen_create:
3904 if (!(xen_available())) {
3905 printf("Option %s not supported for this target\n", popt->name);
3906 exit(1);
3907 }
3908 xen_mode = XEN_CREATE;
3909 break;
3910 case QEMU_OPTION_xen_attach:
3911 if (!(xen_available())) {
3912 printf("Option %s not supported for this target\n", popt->name);
3913 exit(1);
3914 }
3915 xen_mode = XEN_ATTACH;
3916 break;
3917 case QEMU_OPTION_trace:
3918 {
3919 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3920 optarg, false);
3921 if (!opts) {
3922 exit(1);
3923 }
3924 trace_events = qemu_opt_get(opts, "events");
3925 trace_file = qemu_opt_get(opts, "file");
3926 break;
3927 }
3928 case QEMU_OPTION_trace_unassigned:
3929 trace_unassigned = true;
3930 break;
3931 case QEMU_OPTION_readconfig:
3932 {
3933 int ret = qemu_read_config_file(optarg);
3934 if (ret < 0) {
3935 fprintf(stderr, "read config %s: %s\n", optarg,
3936 strerror(-ret));
3937 exit(1);
3938 }
3939 break;
3940 }
3941 case QEMU_OPTION_spice:
3942 olist = qemu_find_opts("spice");
3943 if (!olist) {
3944 fprintf(stderr, "spice is not supported by this qemu build.\n");
3945 exit(1);
3946 }
3947 opts = qemu_opts_parse_noisily(olist, optarg, false);
3948 if (!opts) {
3949 exit(1);
3950 }
3951 display_remote++;
3952 break;
3953 case QEMU_OPTION_writeconfig:
3954 {
3955 FILE *fp;
3956 if (strcmp(optarg, "-") == 0) {
3957 fp = stdout;
3958 } else {
3959 fp = fopen(optarg, "w");
3960 if (fp == NULL) {
3961 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3962 exit(1);
3963 }
3964 }
3965 qemu_config_write(fp);
3966 if (fp != stdout) {
3967 fclose(fp);
3968 }
3969 break;
3970 }
3971 case QEMU_OPTION_qtest:
3972 qtest_chrdev = optarg;
3973 break;
3974 case QEMU_OPTION_qtest_log:
3975 qtest_log = optarg;
3976 break;
3977 case QEMU_OPTION_sandbox:
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3979 optarg, true);
3980 if (!opts) {
3981 exit(1);
3982 }
3983 break;
3984 case QEMU_OPTION_add_fd:
3985 #ifndef _WIN32
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3987 optarg, false);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 #else
3992 error_report("File descriptor passing is disabled on this "
3993 "platform");
3994 exit(1);
3995 #endif
3996 break;
3997 case QEMU_OPTION_object:
3998 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3999 optarg, true);
4000 if (!opts) {
4001 exit(1);
4002 }
4003 break;
4004 case QEMU_OPTION_realtime:
4005 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4006 optarg, false);
4007 if (!opts) {
4008 exit(1);
4009 }
4010 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4011 break;
4012 case QEMU_OPTION_msg:
4013 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4014 false);
4015 if (!opts) {
4016 exit(1);
4017 }
4018 configure_msg(opts);
4019 break;
4020 case QEMU_OPTION_dump_vmstate:
4021 if (vmstate_dump_file) {
4022 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4023 "option may be given\n");
4024 exit(1);
4025 }
4026 vmstate_dump_file = fopen(optarg, "w");
4027 if (vmstate_dump_file == NULL) {
4028 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4029 exit(1);
4030 }
4031 break;
4032 default:
4033 os_parse_cmd_args(popt->index, optarg);
4034 }
4035 }
4036 }
4037
4038 opts = qemu_get_machine_opts();
4039 optarg = qemu_opt_get(opts, "type");
4040 if (optarg) {
4041 machine_class = machine_parse(optarg);
4042 }
4043
4044 if (machine_class == NULL) {
4045 fprintf(stderr, "No machine specified, and there is no default.\n"
4046 "Use -machine help to list supported machines!\n");
4047 exit(1);
4048 }
4049
4050 set_memory_options(&ram_slots, &maxram_size, machine_class);
4051
4052 loc_set_none();
4053
4054 os_daemonize();
4055
4056 if (qemu_init_main_loop(&main_loop_err)) {
4057 error_report_err(main_loop_err);
4058 exit(1);
4059 }
4060
4061 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4062 parse_sandbox, NULL, NULL)) {
4063 exit(1);
4064 }
4065
4066 if (qemu_opts_foreach(qemu_find_opts("name"),
4067 parse_name, NULL, NULL)) {
4068 exit(1);
4069 }
4070
4071 #ifndef _WIN32
4072 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4073 parse_add_fd, NULL, NULL)) {
4074 exit(1);
4075 }
4076
4077 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4078 cleanup_add_fd, NULL, NULL)) {
4079 exit(1);
4080 }
4081 #endif
4082
4083 current_machine = MACHINE(object_new(object_class_get_name(
4084 OBJECT_CLASS(machine_class))));
4085 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4086 exit(0);
4087 }
4088 object_property_add_child(object_get_root(), "machine",
4089 OBJECT(current_machine), &error_abort);
4090 cpu_exec_init_all();
4091
4092 if (machine_class->hw_version) {
4093 qemu_set_version(machine_class->hw_version);
4094 }
4095
4096 /* Init CPU def lists, based on config
4097 * - Must be called after all the qemu_read_config_file() calls
4098 * - Must be called before list_cpus()
4099 * - Must be called before machine->init()
4100 */
4101 cpudef_init();
4102
4103 if (cpu_model && is_help_option(cpu_model)) {
4104 list_cpus(stdout, &fprintf, cpu_model);
4105 exit(0);
4106 }
4107
4108 /* Open the logfile at this point and set the log mask if necessary.
4109 */
4110 if (log_file) {
4111 qemu_set_log_filename(log_file);
4112 }
4113
4114 if (log_mask) {
4115 int mask;
4116 mask = qemu_str_to_log_mask(log_mask);
4117 if (!mask) {
4118 qemu_print_log_usage(stdout);
4119 exit(1);
4120 }
4121 qemu_set_log(mask);
4122 }
4123
4124 if (!is_daemonized()) {
4125 if (!trace_init_backends(trace_events, trace_file)) {
4126 exit(1);
4127 }
4128 }
4129
4130 /* If no data_dir is specified then try to find it relative to the
4131 executable path. */
4132 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4133 data_dir[data_dir_idx] = os_find_datadir();
4134 if (data_dir[data_dir_idx] != NULL) {
4135 data_dir_idx++;
4136 }
4137 }
4138 /* If all else fails use the install path specified when building. */
4139 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4140 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4141 }
4142
4143 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4144
4145 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4146 if (max_cpus > machine_class->max_cpus) {
4147 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4148 "supported by machine `%s' (%d)\n", max_cpus,
4149 machine_class->name, machine_class->max_cpus);
4150 exit(1);
4151 }
4152
4153 /*
4154 * Get the default machine options from the machine if it is not already
4155 * specified either by the configuration file or by the command line.
4156 */
4157 if (machine_class->default_machine_opts) {
4158 qemu_opts_set_defaults(qemu_find_opts("machine"),
4159 machine_class->default_machine_opts, 0);
4160 }
4161
4162 qemu_opts_foreach(qemu_find_opts("device"),
4163 default_driver_check, NULL, NULL);
4164 qemu_opts_foreach(qemu_find_opts("global"),
4165 default_driver_check, NULL, NULL);
4166
4167 if (!vga_model && !default_vga) {
4168 vga_interface_type = VGA_DEVICE;
4169 }
4170 if (!has_defaults || machine_class->no_serial) {
4171 default_serial = 0;
4172 }
4173 if (!has_defaults || machine_class->no_parallel) {
4174 default_parallel = 0;
4175 }
4176 if (!has_defaults || !machine_class->use_virtcon) {
4177 default_virtcon = 0;
4178 }
4179 if (!has_defaults || !machine_class->use_sclp) {
4180 default_sclp = 0;
4181 }
4182 if (!has_defaults || machine_class->no_floppy) {
4183 default_floppy = 0;
4184 }
4185 if (!has_defaults || machine_class->no_cdrom) {
4186 default_cdrom = 0;
4187 }
4188 if (!has_defaults || machine_class->no_sdcard) {
4189 default_sdcard = 0;
4190 }
4191 if (!has_defaults) {
4192 default_monitor = 0;
4193 default_net = 0;
4194 default_vga = 0;
4195 }
4196
4197 if (is_daemonized()) {
4198 /* According to documentation and historically, -nographic redirects
4199 * serial port, parallel port and monitor to stdio, which does not work
4200 * with -daemonize. We can redirect these to null instead, but since
4201 * -nographic is legacy, let's just error out.
4202 * We disallow -nographic only if all other ports are not redirected
4203 * explicitly, to not break existing legacy setups which uses
4204 * -nographic _and_ redirects all ports explicitly - this is valid
4205 * usage, -nographic is just a no-op in this case.
4206 */
4207 if (display_type == DT_NOGRAPHIC
4208 && (default_parallel || default_serial
4209 || default_monitor || default_virtcon)) {
4210 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4211 exit(1);
4212 }
4213 #ifdef CONFIG_CURSES
4214 if (display_type == DT_CURSES) {
4215 fprintf(stderr, "curses display can not be used with -daemonize\n");
4216 exit(1);
4217 }
4218 #endif
4219 }
4220
4221 if (display_type == DT_NOGRAPHIC) {
4222 if (default_parallel)
4223 add_device_config(DEV_PARALLEL, "null");
4224 if (default_serial && default_monitor) {
4225 add_device_config(DEV_SERIAL, "mon:stdio");
4226 } else if (default_virtcon && default_monitor) {
4227 add_device_config(DEV_VIRTCON, "mon:stdio");
4228 } else if (default_sclp && default_monitor) {
4229 add_device_config(DEV_SCLP, "mon:stdio");
4230 } else {
4231 if (default_serial)
4232 add_device_config(DEV_SERIAL, "stdio");
4233 if (default_virtcon)
4234 add_device_config(DEV_VIRTCON, "stdio");
4235 if (default_sclp) {
4236 add_device_config(DEV_SCLP, "stdio");
4237 }
4238 if (default_monitor)
4239 monitor_parse("stdio", "readline", false);
4240 }
4241 } else {
4242 if (default_serial)
4243 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4244 if (default_parallel)
4245 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4246 if (default_monitor)
4247 monitor_parse("vc:80Cx24C", "readline", false);
4248 if (default_virtcon)
4249 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4250 if (default_sclp) {
4251 add_device_config(DEV_SCLP, "vc:80Cx24C");
4252 }
4253 }
4254
4255 #if defined(CONFIG_VNC)
4256 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4257 display_remote++;
4258 }
4259 #endif
4260 if (display_type == DT_DEFAULT && !display_remote) {
4261 #if defined(CONFIG_GTK)
4262 display_type = DT_GTK;
4263 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4264 display_type = DT_SDL;
4265 #elif defined(CONFIG_VNC)
4266 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4267 show_vnc_port = 1;
4268 #else
4269 display_type = DT_NONE;
4270 #endif
4271 }
4272
4273 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4274 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4275 "for SDL, ignoring option\n");
4276 }
4277 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4278 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4279 "ignoring option\n");
4280 }
4281
4282 #if defined(CONFIG_GTK)
4283 if (display_type == DT_GTK) {
4284 early_gtk_display_init(request_opengl);
4285 }
4286 #endif
4287 #if defined(CONFIG_SDL)
4288 if (display_type == DT_SDL) {
4289 sdl_display_early_init(request_opengl);
4290 }
4291 #endif
4292 if (request_opengl == 1 && display_opengl == 0) {
4293 #if defined(CONFIG_OPENGL)
4294 fprintf(stderr, "OpenGL is not supported by the display.\n");
4295 #else
4296 fprintf(stderr, "QEMU was built without opengl support.\n");
4297 #endif
4298 exit(1);
4299 }
4300
4301 socket_init();
4302
4303 if (qemu_opts_foreach(qemu_find_opts("object"),
4304 object_create,
4305 object_create_initial, NULL)) {
4306 exit(1);
4307 }
4308
4309 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4310 chardev_init_func, NULL, NULL)) {
4311 exit(1);
4312 }
4313
4314 #ifdef CONFIG_VIRTFS
4315 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4316 fsdev_init_func, NULL, NULL)) {
4317 exit(1);
4318 }
4319 #endif
4320
4321 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4322 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4323 exit(1);
4324 }
4325
4326 if (qemu_opts_foreach(qemu_find_opts("device"),
4327 device_help_func, NULL, NULL)) {
4328 exit(0);
4329 }
4330
4331 if (qemu_opts_foreach(qemu_find_opts("object"),
4332 object_create,
4333 object_create_delayed, NULL)) {
4334 exit(1);
4335 }
4336
4337 machine_opts = qemu_get_machine_opts();
4338 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4339 NULL)) {
4340 object_unref(OBJECT(current_machine));
4341 exit(1);
4342 }
4343
4344 configure_accelerator(current_machine);
4345
4346 if (qtest_chrdev) {
4347 Error *local_err = NULL;
4348 qtest_init(qtest_chrdev, qtest_log, &local_err);
4349 if (local_err) {
4350 error_report_err(local_err);
4351 exit(1);
4352 }
4353 }
4354
4355 machine_opts = qemu_get_machine_opts();
4356 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4357 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4358 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4359 bios_name = qemu_opt_get(machine_opts, "firmware");
4360
4361 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4362 if (opts) {
4363 Error *local_err = NULL;
4364
4365 boot_order = qemu_opt_get(opts, "order");
4366 if (boot_order) {
4367 validate_bootdevices(boot_order, &local_err);
4368 if (local_err) {
4369 error_report_err(local_err);
4370 exit(1);
4371 }
4372 }
4373
4374 boot_once = qemu_opt_get(opts, "once");
4375 if (boot_once) {
4376 validate_bootdevices(boot_once, &local_err);
4377 if (local_err) {
4378 error_report_err(local_err);
4379 exit(1);
4380 }
4381 }
4382
4383 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4384 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4385 }
4386
4387 if (!boot_order) {
4388 boot_order = machine_class->default_boot_order;
4389 }
4390
4391 if (!kernel_cmdline) {
4392 kernel_cmdline = "";
4393 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4394 }
4395
4396 linux_boot = (kernel_filename != NULL);
4397
4398 if (!linux_boot && *kernel_cmdline != '\0') {
4399 fprintf(stderr, "-append only allowed with -kernel option\n");
4400 exit(1);
4401 }
4402
4403 if (!linux_boot && initrd_filename != NULL) {
4404 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4405 exit(1);
4406 }
4407
4408 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4409 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4410 exit(1);
4411 }
4412
4413 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4414 /* fall back to the -kernel/-append */
4415 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4416 }
4417
4418 os_set_line_buffering();
4419
4420 #ifdef CONFIG_SPICE
4421 /* spice needs the timers to be initialized by this point */
4422 qemu_spice_init();
4423 #endif
4424
4425 cpu_ticks_init();
4426 if (icount_opts) {
4427 if (kvm_enabled() || xen_enabled()) {
4428 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4429 exit(1);
4430 }
4431 configure_icount(icount_opts, &error_abort);
4432 qemu_opts_del(icount_opts);
4433 }
4434
4435 /* clean up network at qemu process termination */
4436 atexit(&net_cleanup);
4437
4438 if (net_init_clients() < 0) {
4439 exit(1);
4440 }
4441
4442 #ifdef CONFIG_TPM
4443 if (tpm_init() < 0) {
4444 exit(1);
4445 }
4446 #endif
4447
4448 /* init the bluetooth world */
4449 if (foreach_device_config(DEV_BT, bt_parse))
4450 exit(1);
4451
4452 if (!xen_enabled()) {
4453 /* On 32-bit hosts, QEMU is limited by virtual address space */
4454 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4455 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4456 exit(1);
4457 }
4458 }
4459
4460 blk_mig_init();
4461 ram_mig_init();
4462
4463 /* If the currently selected machine wishes to override the units-per-bus
4464 * property of its default HBA interface type, do so now. */
4465 if (machine_class->units_per_default_bus) {
4466 override_max_devs(machine_class->block_default_type,
4467 machine_class->units_per_default_bus);
4468 }
4469
4470 /* open the virtual block devices */
4471 if (snapshot)
4472 qemu_opts_foreach(qemu_find_opts("drive"),
4473 drive_enable_snapshot, NULL, NULL);
4474 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4475 &machine_class->block_default_type, NULL)) {
4476 exit(1);
4477 }
4478
4479 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4480 CDROM_OPTS);
4481 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4482 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4483
4484 parse_numa_opts(machine_class);
4485
4486 if (qemu_opts_foreach(qemu_find_opts("mon"),
4487 mon_init_func, NULL, NULL)) {
4488 exit(1);
4489 }
4490
4491 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4492 exit(1);
4493 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4494 exit(1);
4495 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4496 exit(1);
4497 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4498 exit(1);
4499 }
4500 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4501 exit(1);
4502
4503 /* If no default VGA is requested, the default is "none". */
4504 if (default_vga) {
4505 if (machine_class->default_display) {
4506 vga_model = machine_class->default_display;
4507 } else if (cirrus_vga_available()) {
4508 vga_model = "cirrus";
4509 } else if (vga_available()) {
4510 vga_model = "std";
4511 }
4512 }
4513 if (vga_model) {
4514 select_vgahw(vga_model);
4515 }
4516
4517 if (watchdog) {
4518 i = select_watchdog(watchdog);
4519 if (i > 0)
4520 exit (i == 1 ? 1 : 0);
4521 }
4522
4523 if (machine_class->compat_props) {
4524 qdev_prop_register_global_list(machine_class->compat_props);
4525 }
4526 qemu_add_globals();
4527
4528 qdev_machine_init();
4529
4530 current_machine->ram_size = ram_size;
4531 current_machine->maxram_size = maxram_size;
4532 current_machine->ram_slots = ram_slots;
4533 current_machine->boot_order = boot_order;
4534 current_machine->cpu_model = cpu_model;
4535
4536 machine_class->init(current_machine);
4537
4538 realtime_init();
4539
4540 audio_init();
4541
4542 cpu_synchronize_all_post_init();
4543
4544 numa_post_machine_init();
4545
4546 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4547 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4548 exit(1);
4549 }
4550
4551 /* init USB devices */
4552 if (usb_enabled()) {
4553 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4554 exit(1);
4555 }
4556
4557 /* Check if IGD GFX passthrough. */
4558 igd_gfx_passthru();
4559
4560 /* init generic devices */
4561 if (qemu_opts_foreach(qemu_find_opts("device"),
4562 device_init_func, NULL, NULL)) {
4563 exit(1);
4564 }
4565
4566 /* Did we create any drives that we failed to create a device for? */
4567 drive_check_orphaned();
4568
4569 net_check_clients();
4570
4571 if (boot_once) {
4572 Error *local_err = NULL;
4573 qemu_boot_set(boot_once, &local_err);
4574 if (local_err) {
4575 error_report("%s", error_get_pretty(local_err));
4576 exit(1);
4577 }
4578 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4579 }
4580
4581 ds = init_displaystate();
4582
4583 /* init local displays */
4584 switch (display_type) {
4585 case DT_NOGRAPHIC:
4586 (void)ds; /* avoid warning if no display is configured */
4587 break;
4588 #if defined(CONFIG_CURSES)
4589 case DT_CURSES:
4590 curses_display_init(ds, full_screen);
4591 break;
4592 #endif
4593 #if defined(CONFIG_SDL)
4594 case DT_SDL:
4595 sdl_display_init(ds, full_screen, no_frame);
4596 break;
4597 #elif defined(CONFIG_COCOA)
4598 case DT_SDL:
4599 cocoa_display_init(ds, full_screen);
4600 break;
4601 #endif
4602 #if defined(CONFIG_GTK)
4603 case DT_GTK:
4604 gtk_display_init(ds, full_screen, grab_on_hover);
4605 break;
4606 #endif
4607 default:
4608 break;
4609 }
4610
4611 /* must be after terminal init, SDL library changes signal handlers */
4612 os_setup_signal_handling();
4613
4614 #ifdef CONFIG_VNC
4615 /* init remote displays */
4616 qemu_opts_foreach(qemu_find_opts("vnc"),
4617 vnc_init_func, NULL, NULL);
4618 if (show_vnc_port) {
4619 char *ret = vnc_display_local_addr("default");
4620 printf("VNC server running on `%s'\n", ret);
4621 g_free(ret);
4622 }
4623 #endif
4624 #ifdef CONFIG_SPICE
4625 if (using_spice) {
4626 qemu_spice_display_init();
4627 }
4628 #endif
4629
4630 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4631 exit(1);
4632 }
4633
4634 qdev_machine_creation_done();
4635
4636 /* TODO: once all bus devices are qdevified, this should be done
4637 * when bus is created by qdev.c */
4638 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4639 qemu_run_machine_init_done_notifiers();
4640
4641 if (rom_check_and_register_reset() != 0) {
4642 fprintf(stderr, "rom check and register reset failed\n");
4643 exit(1);
4644 }
4645
4646 qemu_system_reset(VMRESET_SILENT);
4647 register_global_state();
4648 if (loadvm) {
4649 if (load_vmstate(loadvm) < 0) {
4650 autostart = 0;
4651 }
4652 }
4653
4654 qdev_prop_check_globals();
4655 if (vmstate_dump_file) {
4656 /* dump and exit */
4657 dump_vmstate_json_to_file(vmstate_dump_file);
4658 return 0;
4659 }
4660
4661 if (incoming) {
4662 Error *local_err = NULL;
4663 qemu_start_incoming_migration(incoming, &local_err);
4664 if (local_err) {
4665 error_report("-incoming %s: %s", incoming,
4666 error_get_pretty(local_err));
4667 error_free(local_err);
4668 exit(1);
4669 }
4670 } else if (autostart) {
4671 vm_start();
4672 }
4673
4674 os_setup_post();
4675
4676 if (is_daemonized()) {
4677 if (!trace_init_backends(trace_events, trace_file)) {
4678 exit(1);
4679 }
4680 }
4681
4682 main_loop();
4683 bdrv_close_all();
4684 pause_all_vcpus();
4685 res_free();
4686 #ifdef CONFIG_TPM
4687 tpm_cleanup();
4688 #endif
4689
4690 return 0;
4691 }
AR7 emulation for QEMU