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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20150911' into staging
[qemu/kevin.git] / vl.c
blob1c8b28d8939693642b2a3bc70c8dca41ae7f2809
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/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 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_MAX, RUN_STATE_MAX },
633 };
634
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636
637 bool runstate_check(RunState state)
638 {
639 return current_run_state == state;
640 }
641
642 bool runstate_store(char *str, size_t size)
643 {
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
646
647 if (len > size) {
648 return false;
649 }
650 memcpy(str, state, len);
651 return true;
652 }
653
654 static void runstate_init(void)
655 {
656 const RunStateTransition *p;
657
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
661 }
662
663 qemu_mutex_init(&vmstop_lock);
664 }
665
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
668 {
669 assert(new_state < RUN_STATE_MAX);
670
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
675 abort();
676 }
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
679 }
680
681 int runstate_is_running(void)
682 {
683 return runstate_check(RUN_STATE_RUNNING);
684 }
685
686 bool runstate_needs_reset(void)
687 {
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
690 }
691
692 StatusInfo *qmp_query_status(Error **errp)
693 {
694 StatusInfo *info = g_malloc0(sizeof(*info));
695
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
699
700 return info;
701 }
702
703 static bool qemu_vmstop_requested(RunState *r)
704 {
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
710 }
711
712 void qemu_system_vmstop_request_prepare(void)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 }
716
717 void qemu_system_vmstop_request(RunState state)
718 {
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
721 qemu_notify_event();
722 }
723
724 void vm_start(void)
725 {
726 RunState requested;
727
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
730 return;
731 }
732
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
736 * the STOP event.
737 */
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
740 } else {
741 cpu_enable_ticks();
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
744 resume_all_vcpus();
745 }
746
747 qapi_event_send_resume(&error_abort);
748 }
749
750
751 /***********************************************************/
752 /* real time host monotonic timer */
753
754 static time_t qemu_time(void)
755 {
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
757 }
758
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
762 {
763 time_t ti = qemu_time();
764
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - qemu_time();
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = qemu_time() - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1012 "in the kernel");
1013 return -1;
1014 }
1015 #else
1016 error_report("sandboxing request but seccomp is not compiled "
1017 "into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool defaults_enabled(void)
1043 {
1044 return has_defaults;
1045 }
1046
1047 bool usb_enabled(void)
1048 {
1049 return machine_usb(current_machine);
1050 }
1051
1052 #ifndef _WIN32
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 int fd, dupfd, flags;
1056 int64_t fdset_id;
1057 const char *fd_opaque = NULL;
1058 AddfdInfo *fdinfo;
1059
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1063
1064 if (fd < 0) {
1065 error_report("fd option is required and must be non-negative");
1066 return -1;
1067 }
1068
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1071 return -1;
1072 }
1073
1074 /*
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1077 */
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1081 return -1;
1082 }
1083
1084 if (fdset_id < 0) {
1085 error_report("set option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1091 #else
1092 dupfd = dup(fd);
1093 if (dupfd != -1) {
1094 qemu_set_cloexec(dupfd);
1095 }
1096 #endif
1097 if (dupfd == -1) {
1098 error_report("Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1104 &error_abort);
1105 g_free(fdinfo);
1106
1107 return 0;
1108 }
1109
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1111 {
1112 int fd;
1113
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1115 close(fd);
1116
1117 return 0;
1118 }
1119 #endif
1120
1121 /***********************************************************/
1122 /* QEMU Block devices */
1123
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1126 #define FD_OPTS ""
1127 #define PFLASH_OPTS ""
1128 #define MTD_OPTS ""
1129 #define SD_OPTS ""
1130
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1132 {
1133 BlockInterfaceType *block_default_type = opaque;
1134
1135 return drive_new(opts, *block_default_type) == NULL;
1136 }
1137
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1142 }
1143 return 0;
1144 }
1145
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1148 {
1149 QemuOpts *opts;
1150 DriveInfo *dinfo;
1151
1152 if (!enable || drive_get_by_index(type, index)) {
1153 return;
1154 }
1155
1156 opts = drive_add(type, index, NULL, optstr);
1157 if (snapshot) {
1158 drive_enable_snapshot(NULL, opts, NULL);
1159 }
1160
1161 dinfo = drive_new(opts, type);
1162 if (!dinfo) {
1163 exit(1);
1164 }
1165 dinfo->is_default = true;
1166
1167 }
1168
1169 static QemuOptsList qemu_smp_opts = {
1170 .name = "smp-opts",
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1174 .desc = {
1175 {
1176 .name = "cpus",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "sockets",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "cores",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "threads",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "maxcpus",
1189 .type = QEMU_OPT_NUMBER,
1190 },
1191 { /*End of list */ }
1192 },
1193 };
1194
1195 static void smp_parse(QemuOpts *opts)
1196 {
1197 if (opts) {
1198
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1203
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1209 if (cpus == 0) {
1210 cpus = cores * threads * sockets;
1211 }
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1220 "smp_cpus (%u)\n",
1221 sockets, cores, threads, cpus);
1222 exit(1);
1223 }
1224
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1226
1227 smp_cpus = cpus;
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1230
1231 }
1232
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1235 }
1236
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1239 exit(1);
1240 }
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1243 exit(1);
1244 }
1245
1246 }
1247
1248 static void realtime_init(void)
1249 {
1250 if (enable_mlock) {
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1253 exit(1);
1254 }
1255 }
1256 }
1257
1258
1259 static void configure_msg(QemuOpts *opts)
1260 {
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1262 }
1263
1264 /***********************************************************/
1265 /* Semihosting */
1266
1267 typedef struct SemihostingConfig {
1268 bool enabled;
1269 SemihostingTarget target;
1270 const char **argv;
1271 int argc;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1274
1275 static SemihostingConfig semihosting;
1276
1277 bool semihosting_enabled(void)
1278 {
1279 return semihosting.enabled;
1280 }
1281
1282 SemihostingTarget semihosting_get_target(void)
1283 {
1284 return semihosting.target;
1285 }
1286
1287 const char *semihosting_get_arg(int i)
1288 {
1289 if (i >= semihosting.argc) {
1290 return NULL;
1291 }
1292 return semihosting.argv[i];
1293 }
1294
1295 int semihosting_get_argc(void)
1296 {
1297 return semihosting.argc;
1298 }
1299
1300 const char *semihosting_get_cmdline(void)
1301 {
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1304 }
1305 return semihosting.cmdline;
1306 }
1307
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1310 Error **errp)
1311 {
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1314 s->argc++;
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1319 }
1320 return 0;
1321 }
1322
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1325 {
1326 char *cmd_token;
1327
1328 /* argv[0] */
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1330
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1333 while (cmd_token) {
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1336 }
1337 }
1338
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1342 {
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1344 }
1345
1346 /***********************************************************/
1347 /* USB devices */
1348
1349 static int usb_device_add(const char *devname)
1350 {
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1353 const char *p;
1354 #endif
1355
1356 if (!usb_enabled()) {
1357 return -1;
1358 }
1359
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1362 if (dev)
1363 goto done;
1364
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1370 }
1371 #endif
1372 if (!dev)
1373 return -1;
1374
1375 done:
1376 return 0;
1377 }
1378
1379 static int usb_device_del(const char *devname)
1380 {
1381 int bus_num, addr;
1382 const char *p;
1383
1384 if (strstart(devname, "host:", &p)) {
1385 return -1;
1386 }
1387
1388 if (!usb_enabled()) {
1389 return -1;
1390 }
1391
1392 p = strchr(devname, '.');
1393 if (!p)
1394 return -1;
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1397
1398 return usb_device_delete_addr(bus_num, addr);
1399 }
1400
1401 static int usb_parse(const char *cmdline)
1402 {
1403 int r;
1404 r = usb_device_add(cmdline);
1405 if (r < 0) {
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1407 }
1408 return r;
1409 }
1410
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1412 {
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1416 }
1417 }
1418
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1420 {
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1424 }
1425 }
1426
1427 /***********************************************************/
1428 /* machine registration */
1429
1430 MachineState *current_machine;
1431
1432 /*
1433 * Transitional class registration/init used for converting from
1434 * legacy QEMUMachine to MachineClass.
1435 */
1436 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1437 {
1438 MachineClass *mc = MACHINE_CLASS(oc);
1439 QEMUMachine *qm = data;
1440 mc->name = qm->name;
1441 mc->desc = qm->desc;
1442 mc->init = qm->init;
1443 mc->kvm_type = qm->kvm_type;
1444 mc->block_default_type = qm->block_default_type;
1445 mc->max_cpus = qm->max_cpus;
1446 mc->no_sdcard = qm->no_sdcard;
1447 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1448 mc->is_default = qm->is_default;
1449 mc->default_machine_opts = qm->default_machine_opts;
1450 mc->default_boot_order = qm->default_boot_order;
1451 }
1452
1453 int qemu_register_machine(QEMUMachine *m)
1454 {
1455 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1456 TypeInfo ti = {
1457 .name = name,
1458 .parent = TYPE_MACHINE,
1459 .class_init = qemu_machine_class_init,
1460 .class_data = (void *)m,
1461 };
1462
1463 type_register(&ti);
1464 g_free(name);
1465
1466 return 0;
1467 }
1468
1469 static MachineClass *find_machine(const char *name)
1470 {
1471 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1472 MachineClass *mc = NULL;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *temp = el->data;
1476
1477 if (!strcmp(temp->name, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 if (temp->alias &&
1482 !strcmp(temp->alias, name)) {
1483 mc = temp;
1484 break;
1485 }
1486 }
1487
1488 g_slist_free(machines);
1489 return mc;
1490 }
1491
1492 MachineClass *find_default_machine(void)
1493 {
1494 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1495 MachineClass *mc = NULL;
1496
1497 for (el = machines; el; el = el->next) {
1498 MachineClass *temp = el->data;
1499
1500 if (temp->is_default) {
1501 mc = temp;
1502 break;
1503 }
1504 }
1505
1506 g_slist_free(machines);
1507 return mc;
1508 }
1509
1510 MachineInfoList *qmp_query_machines(Error **errp)
1511 {
1512 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1513 MachineInfoList *mach_list = NULL;
1514
1515 for (el = machines; el; el = el->next) {
1516 MachineClass *mc = el->data;
1517 MachineInfoList *entry;
1518 MachineInfo *info;
1519
1520 info = g_malloc0(sizeof(*info));
1521 if (mc->is_default) {
1522 info->has_is_default = true;
1523 info->is_default = true;
1524 }
1525
1526 if (mc->alias) {
1527 info->has_alias = true;
1528 info->alias = g_strdup(mc->alias);
1529 }
1530
1531 info->name = g_strdup(mc->name);
1532 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1533
1534 entry = g_malloc0(sizeof(*entry));
1535 entry->value = info;
1536 entry->next = mach_list;
1537 mach_list = entry;
1538 }
1539
1540 g_slist_free(machines);
1541 return mach_list;
1542 }
1543
1544 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1545 {
1546 ObjectProperty *prop;
1547
1548 if (!qemu_opt_has_help_opt(opts)) {
1549 return 0;
1550 }
1551
1552 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1553 if (!prop->set) {
1554 continue;
1555 }
1556
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1558 prop->name, prop->type);
1559 if (prop->description) {
1560 error_printf(" (%s)\n", prop->description);
1561 } else {
1562 error_printf("\n");
1563 }
1564 }
1565
1566 return 1;
1567 }
1568
1569 /***********************************************************/
1570 /* main execution loop */
1571
1572 struct vm_change_state_entry {
1573 VMChangeStateHandler *cb;
1574 void *opaque;
1575 QLIST_ENTRY (vm_change_state_entry) entries;
1576 };
1577
1578 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1579
1580 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1581 void *opaque)
1582 {
1583 VMChangeStateEntry *e;
1584
1585 e = g_malloc0(sizeof (*e));
1586
1587 e->cb = cb;
1588 e->opaque = opaque;
1589 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1590 return e;
1591 }
1592
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1594 {
1595 QLIST_REMOVE (e, entries);
1596 g_free (e);
1597 }
1598
1599 void vm_state_notify(int running, RunState state)
1600 {
1601 VMChangeStateEntry *e, *next;
1602
1603 trace_vm_state_notify(running, state);
1604
1605 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1606 e->cb(e->opaque, running, state);
1607 }
1608 }
1609
1610 /* reset/shutdown handler */
1611
1612 typedef struct QEMUResetEntry {
1613 QTAILQ_ENTRY(QEMUResetEntry) entry;
1614 QEMUResetHandler *func;
1615 void *opaque;
1616 } QEMUResetEntry;
1617
1618 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1620 static int reset_requested;
1621 static int shutdown_requested, shutdown_signal = -1;
1622 static pid_t shutdown_pid;
1623 static int powerdown_requested;
1624 static int debug_requested;
1625 static int suspend_requested;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1634
1635 int qemu_shutdown_requested_get(void)
1636 {
1637 return shutdown_requested;
1638 }
1639
1640 int qemu_reset_requested_get(void)
1641 {
1642 return reset_requested;
1643 }
1644
1645 static int qemu_shutdown_requested(void)
1646 {
1647 return atomic_xchg(&shutdown_requested, 0);
1648 }
1649
1650 static void qemu_kill_report(void)
1651 {
1652 if (!qtest_driver() && shutdown_signal != -1) {
1653 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1654 if (shutdown_pid == 0) {
1655 /* This happens for eg ^C at the terminal, so it's worth
1656 * avoiding printing an odd message in that case.
1657 */
1658 fputc('\n', stderr);
1659 } else {
1660 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1661 }
1662 shutdown_signal = -1;
1663 }
1664 }
1665
1666 static int qemu_reset_requested(void)
1667 {
1668 int r = reset_requested;
1669 reset_requested = 0;
1670 return r;
1671 }
1672
1673 static int qemu_suspend_requested(void)
1674 {
1675 int r = suspend_requested;
1676 suspend_requested = 0;
1677 return r;
1678 }
1679
1680 static WakeupReason qemu_wakeup_requested(void)
1681 {
1682 return wakeup_reason;
1683 }
1684
1685 static int qemu_powerdown_requested(void)
1686 {
1687 int r = powerdown_requested;
1688 powerdown_requested = 0;
1689 return r;
1690 }
1691
1692 static int qemu_debug_requested(void)
1693 {
1694 int r = debug_requested;
1695 debug_requested = 0;
1696 return r;
1697 }
1698
1699 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1700 {
1701 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1702
1703 re->func = func;
1704 re->opaque = opaque;
1705 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1706 }
1707
1708 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1709 {
1710 QEMUResetEntry *re;
1711
1712 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1713 if (re->func == func && re->opaque == opaque) {
1714 QTAILQ_REMOVE(&reset_handlers, re, entry);
1715 g_free(re);
1716 return;
1717 }
1718 }
1719 }
1720
1721 void qemu_devices_reset(void)
1722 {
1723 QEMUResetEntry *re, *nre;
1724
1725 /* reset all devices */
1726 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1727 re->func(re->opaque);
1728 }
1729 }
1730
1731 void qemu_system_reset(bool report)
1732 {
1733 MachineClass *mc;
1734
1735 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1736
1737 if (mc && mc->reset) {
1738 mc->reset();
1739 } else {
1740 qemu_devices_reset();
1741 }
1742 if (report) {
1743 qapi_event_send_reset(&error_abort);
1744 }
1745 cpu_synchronize_all_post_reset();
1746 }
1747
1748 void qemu_system_reset_request(void)
1749 {
1750 if (no_reboot) {
1751 shutdown_requested = 1;
1752 } else {
1753 reset_requested = 1;
1754 }
1755 cpu_stop_current();
1756 qemu_notify_event();
1757 }
1758
1759 static void qemu_system_suspend(void)
1760 {
1761 pause_all_vcpus();
1762 notifier_list_notify(&suspend_notifiers, NULL);
1763 runstate_set(RUN_STATE_SUSPENDED);
1764 qapi_event_send_suspend(&error_abort);
1765 }
1766
1767 void qemu_system_suspend_request(void)
1768 {
1769 if (runstate_check(RUN_STATE_SUSPENDED)) {
1770 return;
1771 }
1772 suspend_requested = 1;
1773 cpu_stop_current();
1774 qemu_notify_event();
1775 }
1776
1777 void qemu_register_suspend_notifier(Notifier *notifier)
1778 {
1779 notifier_list_add(&suspend_notifiers, notifier);
1780 }
1781
1782 void qemu_system_wakeup_request(WakeupReason reason)
1783 {
1784 trace_system_wakeup_request(reason);
1785
1786 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1787 return;
1788 }
1789 if (!(wakeup_reason_mask & (1 << reason))) {
1790 return;
1791 }
1792 runstate_set(RUN_STATE_RUNNING);
1793 wakeup_reason = reason;
1794 qemu_notify_event();
1795 }
1796
1797 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1798 {
1799 if (enabled) {
1800 wakeup_reason_mask |= (1 << reason);
1801 } else {
1802 wakeup_reason_mask &= ~(1 << reason);
1803 }
1804 }
1805
1806 void qemu_register_wakeup_notifier(Notifier *notifier)
1807 {
1808 notifier_list_add(&wakeup_notifiers, notifier);
1809 }
1810
1811 void qemu_system_killed(int signal, pid_t pid)
1812 {
1813 shutdown_signal = signal;
1814 shutdown_pid = pid;
1815 no_shutdown = 0;
1816 qemu_system_shutdown_request();
1817 }
1818
1819 void qemu_system_shutdown_request(void)
1820 {
1821 trace_qemu_system_shutdown_request();
1822 shutdown_requested = 1;
1823 qemu_notify_event();
1824 }
1825
1826 static void qemu_system_powerdown(void)
1827 {
1828 qapi_event_send_powerdown(&error_abort);
1829 notifier_list_notify(&powerdown_notifiers, NULL);
1830 }
1831
1832 void qemu_system_powerdown_request(void)
1833 {
1834 trace_qemu_system_powerdown_request();
1835 powerdown_requested = 1;
1836 qemu_notify_event();
1837 }
1838
1839 void qemu_register_powerdown_notifier(Notifier *notifier)
1840 {
1841 notifier_list_add(&powerdown_notifiers, notifier);
1842 }
1843
1844 void qemu_system_debug_request(void)
1845 {
1846 debug_requested = 1;
1847 qemu_notify_event();
1848 }
1849
1850 static bool main_loop_should_exit(void)
1851 {
1852 RunState r;
1853 if (qemu_debug_requested()) {
1854 vm_stop(RUN_STATE_DEBUG);
1855 }
1856 if (qemu_suspend_requested()) {
1857 qemu_system_suspend();
1858 }
1859 if (qemu_shutdown_requested()) {
1860 qemu_kill_report();
1861 qapi_event_send_shutdown(&error_abort);
1862 if (no_shutdown) {
1863 vm_stop(RUN_STATE_SHUTDOWN);
1864 } else {
1865 return true;
1866 }
1867 }
1868 if (qemu_reset_requested()) {
1869 pause_all_vcpus();
1870 cpu_synchronize_all_states();
1871 qemu_system_reset(VMRESET_REPORT);
1872 resume_all_vcpus();
1873 if (runstate_needs_reset()) {
1874 runstate_set(RUN_STATE_PAUSED);
1875 }
1876 }
1877 if (qemu_wakeup_requested()) {
1878 pause_all_vcpus();
1879 cpu_synchronize_all_states();
1880 qemu_system_reset(VMRESET_SILENT);
1881 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1882 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1883 resume_all_vcpus();
1884 qapi_event_send_wakeup(&error_abort);
1885 }
1886 if (qemu_powerdown_requested()) {
1887 qemu_system_powerdown();
1888 }
1889 if (qemu_vmstop_requested(&r)) {
1890 vm_stop(r);
1891 }
1892 return false;
1893 }
1894
1895 static void main_loop(void)
1896 {
1897 bool nonblocking;
1898 int last_io = 0;
1899 #ifdef CONFIG_PROFILER
1900 int64_t ti;
1901 #endif
1902 do {
1903 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1904 #ifdef CONFIG_PROFILER
1905 ti = profile_getclock();
1906 #endif
1907 last_io = main_loop_wait(nonblocking);
1908 #ifdef CONFIG_PROFILER
1909 dev_time += profile_getclock() - ti;
1910 #endif
1911 } while (!main_loop_should_exit());
1912 }
1913
1914 static void version(void)
1915 {
1916 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1917 }
1918
1919 static void help(int exitcode)
1920 {
1921 version();
1922 printf("usage: %s [options] [disk_image]\n\n"
1923 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1924 error_get_progname());
1925
1926 #define QEMU_OPTIONS_GENERATE_HELP
1927 #include "qemu-options-wrapper.h"
1928
1929 printf("\nDuring emulation, the following keys are useful:\n"
1930 "ctrl-alt-f toggle full screen\n"
1931 "ctrl-alt-n switch to virtual console 'n'\n"
1932 "ctrl-alt toggle mouse and keyboard grab\n"
1933 "\n"
1934 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1935
1936 exit(exitcode);
1937 }
1938
1939 #define HAS_ARG 0x0001
1940
1941 typedef struct QEMUOption {
1942 const char *name;
1943 int flags;
1944 int index;
1945 uint32_t arch_mask;
1946 } QEMUOption;
1947
1948 static const QEMUOption qemu_options[] = {
1949 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1950 #define QEMU_OPTIONS_GENERATE_OPTIONS
1951 #include "qemu-options-wrapper.h"
1952 { NULL },
1953 };
1954
1955 static bool vga_available(void)
1956 {
1957 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1958 }
1959
1960 static bool cirrus_vga_available(void)
1961 {
1962 return object_class_by_name("cirrus-vga")
1963 || object_class_by_name("isa-cirrus-vga");
1964 }
1965
1966 static bool vmware_vga_available(void)
1967 {
1968 return object_class_by_name("vmware-svga");
1969 }
1970
1971 static bool qxl_vga_available(void)
1972 {
1973 return object_class_by_name("qxl-vga");
1974 }
1975
1976 static bool tcx_vga_available(void)
1977 {
1978 return object_class_by_name("SUNW,tcx");
1979 }
1980
1981 static bool cg3_vga_available(void)
1982 {
1983 return object_class_by_name("cgthree");
1984 }
1985
1986 static bool virtio_vga_available(void)
1987 {
1988 return object_class_by_name("virtio-vga");
1989 }
1990
1991 static void select_vgahw (const char *p)
1992 {
1993 const char *opts;
1994
1995 assert(vga_interface_type == VGA_NONE);
1996 if (strstart(p, "std", &opts)) {
1997 if (vga_available()) {
1998 vga_interface_type = VGA_STD;
1999 } else {
2000 fprintf(stderr, "Error: standard VGA not available\n");
2001 exit(0);
2002 }
2003 } else if (strstart(p, "cirrus", &opts)) {
2004 if (cirrus_vga_available()) {
2005 vga_interface_type = VGA_CIRRUS;
2006 } else {
2007 fprintf(stderr, "Error: Cirrus VGA not available\n");
2008 exit(0);
2009 }
2010 } else if (strstart(p, "vmware", &opts)) {
2011 if (vmware_vga_available()) {
2012 vga_interface_type = VGA_VMWARE;
2013 } else {
2014 fprintf(stderr, "Error: VMWare SVGA not available\n");
2015 exit(0);
2016 }
2017 } else if (strstart(p, "virtio", &opts)) {
2018 if (virtio_vga_available()) {
2019 vga_interface_type = VGA_VIRTIO;
2020 } else {
2021 fprintf(stderr, "Error: Virtio VGA not available\n");
2022 exit(0);
2023 }
2024 } else if (strstart(p, "xenfb", &opts)) {
2025 vga_interface_type = VGA_XENFB;
2026 } else if (strstart(p, "qxl", &opts)) {
2027 if (qxl_vga_available()) {
2028 vga_interface_type = VGA_QXL;
2029 } else {
2030 fprintf(stderr, "Error: QXL VGA not available\n");
2031 exit(0);
2032 }
2033 } else if (strstart(p, "tcx", &opts)) {
2034 if (tcx_vga_available()) {
2035 vga_interface_type = VGA_TCX;
2036 } else {
2037 fprintf(stderr, "Error: TCX framebuffer not available\n");
2038 exit(0);
2039 }
2040 } else if (strstart(p, "cg3", &opts)) {
2041 if (cg3_vga_available()) {
2042 vga_interface_type = VGA_CG3;
2043 } else {
2044 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2045 exit(0);
2046 }
2047 } else if (!strstart(p, "none", &opts)) {
2048 invalid_vga:
2049 fprintf(stderr, "Unknown vga type: %s\n", p);
2050 exit(1);
2051 }
2052 while (*opts) {
2053 const char *nextopt;
2054
2055 if (strstart(opts, ",retrace=", &nextopt)) {
2056 opts = nextopt;
2057 if (strstart(opts, "dumb", &nextopt))
2058 vga_retrace_method = VGA_RETRACE_DUMB;
2059 else if (strstart(opts, "precise", &nextopt))
2060 vga_retrace_method = VGA_RETRACE_PRECISE;
2061 else goto invalid_vga;
2062 } else goto invalid_vga;
2063 opts = nextopt;
2064 }
2065 }
2066
2067 static DisplayType select_display(const char *p)
2068 {
2069 const char *opts;
2070 DisplayType display = DT_DEFAULT;
2071
2072 if (strstart(p, "sdl", &opts)) {
2073 #ifdef CONFIG_SDL
2074 display = DT_SDL;
2075 while (*opts) {
2076 const char *nextopt;
2077
2078 if (strstart(opts, ",frame=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "on", &nextopt)) {
2081 no_frame = 0;
2082 } else if (strstart(opts, "off", &nextopt)) {
2083 no_frame = 1;
2084 } else {
2085 goto invalid_sdl_args;
2086 }
2087 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 alt_grab = 1;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 alt_grab = 0;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 ctrl_grab = 1;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 ctrl_grab = 0;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",window_close=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 no_quit = 0;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 no_quit = 1;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",gl=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 request_opengl = 1;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 request_opengl = 0;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else {
2124 invalid_sdl_args:
2125 error_report("Invalid SDL option string");
2126 exit(1);
2127 }
2128 opts = nextopt;
2129 }
2130 #else
2131 error_report("SDL support is disabled");
2132 exit(1);
2133 #endif
2134 } else if (strstart(p, "vnc", &opts)) {
2135 #ifdef CONFIG_VNC
2136 if (*opts == '=') {
2137 Error *err = NULL;
2138 if (vnc_parse(opts + 1, &err) == NULL) {
2139 error_report_err(err);
2140 exit(1);
2141 }
2142 } else {
2143 error_report("VNC requires a display argument vnc=<display>");
2144 exit(1);
2145 }
2146 #else
2147 error_report("VNC support is disabled");
2148 exit(1);
2149 #endif
2150 } else if (strstart(p, "curses", &opts)) {
2151 #ifdef CONFIG_CURSES
2152 display = DT_CURSES;
2153 #else
2154 error_report("Curses support is disabled");
2155 exit(1);
2156 #endif
2157 } else if (strstart(p, "gtk", &opts)) {
2158 #ifdef CONFIG_GTK
2159 display = DT_GTK;
2160 while (*opts) {
2161 const char *nextopt;
2162
2163 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2164 opts = nextopt;
2165 if (strstart(opts, "on", &nextopt)) {
2166 grab_on_hover = true;
2167 } else if (strstart(opts, "off", &nextopt)) {
2168 grab_on_hover = false;
2169 } else {
2170 goto invalid_gtk_args;
2171 }
2172 } else if (strstart(opts, ",gl=", &nextopt)) {
2173 opts = nextopt;
2174 if (strstart(opts, "on", &nextopt)) {
2175 request_opengl = 1;
2176 } else if (strstart(opts, "off", &nextopt)) {
2177 request_opengl = 0;
2178 } else {
2179 goto invalid_gtk_args;
2180 }
2181 } else {
2182 invalid_gtk_args:
2183 error_report("Invalid GTK option string");
2184 exit(1);
2185 }
2186 opts = nextopt;
2187 }
2188 #else
2189 error_report("GTK support is disabled");
2190 exit(1);
2191 #endif
2192 } else if (strstart(p, "none", &opts)) {
2193 display = DT_NONE;
2194 } else {
2195 error_report("Unknown display type");
2196 exit(1);
2197 }
2198
2199 return display;
2200 }
2201
2202 static int balloon_parse(const char *arg)
2203 {
2204 QemuOpts *opts;
2205
2206 if (strcmp(arg, "none") == 0) {
2207 return 0;
2208 }
2209
2210 if (!strncmp(arg, "virtio", 6)) {
2211 if (arg[6] == ',') {
2212 /* have params -> parse them */
2213 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2214 false);
2215 if (!opts)
2216 return -1;
2217 } else {
2218 /* create empty opts */
2219 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2220 &error_abort);
2221 }
2222 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2223 return 0;
2224 }
2225
2226 return -1;
2227 }
2228
2229 char *qemu_find_file(int type, const char *name)
2230 {
2231 int i;
2232 const char *subdir;
2233 char *buf;
2234
2235 /* Try the name as a straight path first */
2236 if (access(name, R_OK) == 0) {
2237 trace_load_file(name, name);
2238 return g_strdup(name);
2239 }
2240
2241 switch (type) {
2242 case QEMU_FILE_TYPE_BIOS:
2243 subdir = "";
2244 break;
2245 case QEMU_FILE_TYPE_KEYMAP:
2246 subdir = "keymaps/";
2247 break;
2248 default:
2249 abort();
2250 }
2251
2252 for (i = 0; i < data_dir_idx; i++) {
2253 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2254 if (access(buf, R_OK) == 0) {
2255 trace_load_file(name, buf);
2256 return buf;
2257 }
2258 g_free(buf);
2259 }
2260 return NULL;
2261 }
2262
2263 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2264 {
2265 gchar *buf;
2266 size_t size;
2267 const char *name, *file;
2268
2269 if (opaque == NULL) {
2270 error_report("fw_cfg device not available");
2271 return -1;
2272 }
2273 name = qemu_opt_get(opts, "name");
2274 file = qemu_opt_get(opts, "file");
2275 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2276 error_report("invalid argument value");
2277 return -1;
2278 }
2279 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2280 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2281 return -1;
2282 }
2283 if (strncmp(name, "opt/", 4) != 0) {
2284 error_report("WARNING: externally provided fw_cfg item names "
2285 "should be prefixed with \"opt/\"!");
2286 }
2287 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2288 error_report("can't load %s", file);
2289 return -1;
2290 }
2291 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2292 return 0;
2293 }
2294
2295 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 return qdev_device_help(opts);
2298 }
2299
2300 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2301 {
2302 Error *err = NULL;
2303 DeviceState *dev;
2304
2305 dev = qdev_device_add(opts, &err);
2306 if (!dev) {
2307 error_report_err(err);
2308 return -1;
2309 }
2310 object_unref(OBJECT(dev));
2311 return 0;
2312 }
2313
2314 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2315 {
2316 Error *local_err = NULL;
2317
2318 qemu_chr_new_from_opts(opts, NULL, &local_err);
2319 if (local_err) {
2320 error_report_err(local_err);
2321 return -1;
2322 }
2323 return 0;
2324 }
2325
2326 #ifdef CONFIG_VIRTFS
2327 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2328 {
2329 int ret;
2330 ret = qemu_fsdev_add(opts);
2331
2332 return ret;
2333 }
2334 #endif
2335
2336 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 {
2338 CharDriverState *chr;
2339 const char *chardev;
2340 const char *mode;
2341 int flags;
2342
2343 mode = qemu_opt_get(opts, "mode");
2344 if (mode == NULL) {
2345 mode = "readline";
2346 }
2347 if (strcmp(mode, "readline") == 0) {
2348 flags = MONITOR_USE_READLINE;
2349 } else if (strcmp(mode, "control") == 0) {
2350 flags = MONITOR_USE_CONTROL;
2351 } else {
2352 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2353 exit(1);
2354 }
2355
2356 if (qemu_opt_get_bool(opts, "pretty", 0))
2357 flags |= MONITOR_USE_PRETTY;
2358
2359 if (qemu_opt_get_bool(opts, "default", 0))
2360 flags |= MONITOR_IS_DEFAULT;
2361
2362 chardev = qemu_opt_get(opts, "chardev");
2363 chr = qemu_chr_find(chardev);
2364 if (chr == NULL) {
2365 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2366 exit(1);
2367 }
2368
2369 qemu_chr_fe_claim_no_fail(chr);
2370 monitor_init(chr, flags);
2371 return 0;
2372 }
2373
2374 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2375 {
2376 static int monitor_device_index = 0;
2377 Error *local_err = NULL;
2378 QemuOpts *opts;
2379 const char *p;
2380 char label[32];
2381 int def = 0;
2382
2383 if (strstart(optarg, "chardev:", &p)) {
2384 snprintf(label, sizeof(label), "%s", p);
2385 } else {
2386 snprintf(label, sizeof(label), "compat_monitor%d",
2387 monitor_device_index);
2388 if (monitor_device_index == 0) {
2389 def = 1;
2390 }
2391 opts = qemu_chr_parse_compat(label, optarg);
2392 if (!opts) {
2393 fprintf(stderr, "parse error: %s\n", optarg);
2394 exit(1);
2395 }
2396 }
2397
2398 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2399 if (!opts) {
2400 error_report_err(local_err);
2401 exit(1);
2402 }
2403 qemu_opt_set(opts, "mode", mode, &error_abort);
2404 qemu_opt_set(opts, "chardev", label, &error_abort);
2405 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2406 if (def)
2407 qemu_opt_set(opts, "default", "on", &error_abort);
2408 monitor_device_index++;
2409 }
2410
2411 struct device_config {
2412 enum {
2413 DEV_USB, /* -usbdevice */
2414 DEV_BT, /* -bt */
2415 DEV_SERIAL, /* -serial */
2416 DEV_PARALLEL, /* -parallel */
2417 DEV_VIRTCON, /* -virtioconsole */
2418 DEV_DEBUGCON, /* -debugcon */
2419 DEV_GDB, /* -gdb, -s */
2420 DEV_SCLP, /* s390 sclp */
2421 } type;
2422 const char *cmdline;
2423 Location loc;
2424 QTAILQ_ENTRY(device_config) next;
2425 };
2426
2427 static QTAILQ_HEAD(, device_config) device_configs =
2428 QTAILQ_HEAD_INITIALIZER(device_configs);
2429
2430 static void add_device_config(int type, const char *cmdline)
2431 {
2432 struct device_config *conf;
2433
2434 conf = g_malloc0(sizeof(*conf));
2435 conf->type = type;
2436 conf->cmdline = cmdline;
2437 loc_save(&conf->loc);
2438 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2439 }
2440
2441 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2442 {
2443 struct device_config *conf;
2444 int rc;
2445
2446 QTAILQ_FOREACH(conf, &device_configs, next) {
2447 if (conf->type != type)
2448 continue;
2449 loc_push_restore(&conf->loc);
2450 rc = func(conf->cmdline);
2451 loc_pop(&conf->loc);
2452 if (rc) {
2453 return rc;
2454 }
2455 }
2456 return 0;
2457 }
2458
2459 static int serial_parse(const char *devname)
2460 {
2461 static int index = 0;
2462 char label[32];
2463
2464 if (strcmp(devname, "none") == 0)
2465 return 0;
2466 if (index == MAX_SERIAL_PORTS) {
2467 fprintf(stderr, "qemu: too many serial ports\n");
2468 exit(1);
2469 }
2470 snprintf(label, sizeof(label), "serial%d", index);
2471 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2472 if (!serial_hds[index]) {
2473 fprintf(stderr, "qemu: could not connect serial device"
2474 " to character backend '%s'\n", devname);
2475 return -1;
2476 }
2477 index++;
2478 return 0;
2479 }
2480
2481 static int parallel_parse(const char *devname)
2482 {
2483 static int index = 0;
2484 char label[32];
2485
2486 if (strcmp(devname, "none") == 0)
2487 return 0;
2488 if (index == MAX_PARALLEL_PORTS) {
2489 fprintf(stderr, "qemu: too many parallel ports\n");
2490 exit(1);
2491 }
2492 snprintf(label, sizeof(label), "parallel%d", index);
2493 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2494 if (!parallel_hds[index]) {
2495 fprintf(stderr, "qemu: could not connect parallel device"
2496 " to character backend '%s'\n", devname);
2497 return -1;
2498 }
2499 index++;
2500 return 0;
2501 }
2502
2503 static int virtcon_parse(const char *devname)
2504 {
2505 QemuOptsList *device = qemu_find_opts("device");
2506 static int index = 0;
2507 char label[32];
2508 QemuOpts *bus_opts, *dev_opts;
2509
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_VIRTIO_CONSOLES) {
2513 fprintf(stderr, "qemu: too many virtio consoles\n");
2514 exit(1);
2515 }
2516
2517 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2518 if (arch_type == QEMU_ARCH_S390X) {
2519 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2520 } else {
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2522 }
2523
2524 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2525 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2526
2527 snprintf(label, sizeof(label), "virtcon%d", index);
2528 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2529 if (!virtcon_hds[index]) {
2530 fprintf(stderr, "qemu: could not connect virtio console"
2531 " to character backend '%s'\n", devname);
2532 return -1;
2533 }
2534 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2535
2536 index++;
2537 return 0;
2538 }
2539
2540 static int sclp_parse(const char *devname)
2541 {
2542 QemuOptsList *device = qemu_find_opts("device");
2543 static int index = 0;
2544 char label[32];
2545 QemuOpts *dev_opts;
2546
2547 if (strcmp(devname, "none") == 0) {
2548 return 0;
2549 }
2550 if (index == MAX_SCLP_CONSOLES) {
2551 fprintf(stderr, "qemu: too many sclp consoles\n");
2552 exit(1);
2553 }
2554
2555 assert(arch_type == QEMU_ARCH_S390X);
2556
2557 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2558 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2559
2560 snprintf(label, sizeof(label), "sclpcon%d", index);
2561 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!sclp_hds[index]) {
2563 fprintf(stderr, "qemu: could not connect sclp console"
2564 " to character backend '%s'\n", devname);
2565 return -1;
2566 }
2567 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2568
2569 index++;
2570 return 0;
2571 }
2572
2573 static int debugcon_parse(const char *devname)
2574 {
2575 QemuOpts *opts;
2576
2577 if (!qemu_chr_new("debugcon", devname, NULL)) {
2578 exit(1);
2579 }
2580 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2581 if (!opts) {
2582 fprintf(stderr, "qemu: already have a debugcon device\n");
2583 exit(1);
2584 }
2585 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2586 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2587 return 0;
2588 }
2589
2590 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2591 {
2592 const MachineClass *mc1 = a, *mc2 = b;
2593 int res;
2594
2595 if (mc1->family == NULL) {
2596 if (mc2->family == NULL) {
2597 /* Compare standalone machine types against each other; they sort
2598 * in increasing order.
2599 */
2600 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2601 object_class_get_name(OBJECT_CLASS(mc2)));
2602 }
2603
2604 /* Standalone machine types sort after families. */
2605 return 1;
2606 }
2607
2608 if (mc2->family == NULL) {
2609 /* Families sort before standalone machine types. */
2610 return -1;
2611 }
2612
2613 /* Families sort between each other alphabetically increasingly. */
2614 res = strcmp(mc1->family, mc2->family);
2615 if (res != 0) {
2616 return res;
2617 }
2618
2619 /* Within the same family, machine types sort in decreasing order. */
2620 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2621 object_class_get_name(OBJECT_CLASS(mc1)));
2622 }
2623
2624 static MachineClass *machine_parse(const char *name)
2625 {
2626 MachineClass *mc = NULL;
2627 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2628
2629 if (name) {
2630 mc = find_machine(name);
2631 }
2632 if (mc) {
2633 g_slist_free(machines);
2634 return mc;
2635 }
2636 if (name && !is_help_option(name)) {
2637 error_report("Unsupported machine type");
2638 error_printf("Use -machine help to list supported machines!\n");
2639 } else {
2640 printf("Supported machines are:\n");
2641 machines = g_slist_sort(machines, machine_class_cmp);
2642 for (el = machines; el; el = el->next) {
2643 MachineClass *mc = el->data;
2644 if (mc->alias) {
2645 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2646 }
2647 printf("%-20s %s%s\n", mc->name, mc->desc,
2648 mc->is_default ? " (default)" : "");
2649 }
2650 }
2651
2652 g_slist_free(machines);
2653 exit(!name || !is_help_option(name));
2654 }
2655
2656 void qemu_add_exit_notifier(Notifier *notify)
2657 {
2658 notifier_list_add(&exit_notifiers, notify);
2659 }
2660
2661 void qemu_remove_exit_notifier(Notifier *notify)
2662 {
2663 notifier_remove(notify);
2664 }
2665
2666 static void qemu_run_exit_notifiers(void)
2667 {
2668 notifier_list_notify(&exit_notifiers, NULL);
2669 }
2670
2671 static bool machine_init_done;
2672
2673 void qemu_add_machine_init_done_notifier(Notifier *notify)
2674 {
2675 notifier_list_add(&machine_init_done_notifiers, notify);
2676 if (machine_init_done) {
2677 notify->notify(notify, NULL);
2678 }
2679 }
2680
2681 static void qemu_run_machine_init_done_notifiers(void)
2682 {
2683 notifier_list_notify(&machine_init_done_notifiers, NULL);
2684 machine_init_done = true;
2685 }
2686
2687 static const QEMUOption *lookup_opt(int argc, char **argv,
2688 const char **poptarg, int *poptind)
2689 {
2690 const QEMUOption *popt;
2691 int optind = *poptind;
2692 char *r = argv[optind];
2693 const char *optarg;
2694
2695 loc_set_cmdline(argv, optind, 1);
2696 optind++;
2697 /* Treat --foo the same as -foo. */
2698 if (r[1] == '-')
2699 r++;
2700 popt = qemu_options;
2701 for(;;) {
2702 if (!popt->name) {
2703 error_report("invalid option");
2704 exit(1);
2705 }
2706 if (!strcmp(popt->name, r + 1))
2707 break;
2708 popt++;
2709 }
2710 if (popt->flags & HAS_ARG) {
2711 if (optind >= argc) {
2712 error_report("requires an argument");
2713 exit(1);
2714 }
2715 optarg = argv[optind++];
2716 loc_set_cmdline(argv, optind - 2, 2);
2717 } else {
2718 optarg = NULL;
2719 }
2720
2721 *poptarg = optarg;
2722 *poptind = optind;
2723
2724 return popt;
2725 }
2726
2727 static gpointer malloc_and_trace(gsize n_bytes)
2728 {
2729 void *ptr = malloc(n_bytes);
2730 trace_g_malloc(n_bytes, ptr);
2731 return ptr;
2732 }
2733
2734 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2735 {
2736 void *ptr = realloc(mem, n_bytes);
2737 trace_g_realloc(mem, n_bytes, ptr);
2738 return ptr;
2739 }
2740
2741 static void free_and_trace(gpointer mem)
2742 {
2743 trace_g_free(mem);
2744 free(mem);
2745 }
2746
2747 static int machine_set_property(void *opaque,
2748 const char *name, const char *value,
2749 Error **errp)
2750 {
2751 Object *obj = OBJECT(opaque);
2752 Error *local_err = NULL;
2753 char *c, *qom_name;
2754
2755 if (strcmp(name, "type") == 0) {
2756 return 0;
2757 }
2758
2759 qom_name = g_strdup(name);
2760 c = qom_name;
2761 while (*c++) {
2762 if (*c == '_') {
2763 *c = '-';
2764 }
2765 }
2766
2767 object_property_parse(obj, value, qom_name, &local_err);
2768 g_free(qom_name);
2769
2770 if (local_err) {
2771 error_report_err(local_err);
2772 return -1;
2773 }
2774
2775 return 0;
2776 }
2777
2778
2779 /*
2780 * Initial object creation happens before all other
2781 * QEMU data types are created. The majority of objects
2782 * can be created at this point. The rng-egd object
2783 * cannot be created here, as it depends on the chardev
2784 * already existing.
2785 */
2786 static bool object_create_initial(const char *type)
2787 {
2788 if (g_str_equal(type, "rng-egd")) {
2789 return false;
2790 }
2791 return true;
2792 }
2793
2794
2795 /*
2796 * The remainder of object creation happens after the
2797 * creation of chardev, fsdev and device data types.
2798 */
2799 static bool object_create_delayed(const char *type)
2800 {
2801 return !object_create_initial(type);
2802 }
2803
2804
2805 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2806 {
2807 Error *err = NULL;
2808 char *type = NULL;
2809 char *id = NULL;
2810 void *dummy = NULL;
2811 OptsVisitor *ov;
2812 QDict *pdict;
2813 bool (*type_predicate)(const char *) = opaque;
2814
2815 ov = opts_visitor_new(opts);
2816 pdict = qemu_opts_to_qdict(opts, NULL);
2817
2818 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2819 if (err) {
2820 goto out;
2821 }
2822
2823 qdict_del(pdict, "qom-type");
2824 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2825 if (err) {
2826 goto out;
2827 }
2828 if (!type_predicate(type)) {
2829 goto out;
2830 }
2831
2832 qdict_del(pdict, "id");
2833 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2834 if (err) {
2835 goto out;
2836 }
2837
2838 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2839 if (err) {
2840 goto out;
2841 }
2842 visit_end_struct(opts_get_visitor(ov), &err);
2843 if (err) {
2844 qmp_object_del(id, NULL);
2845 }
2846
2847 out:
2848 opts_visitor_cleanup(ov);
2849
2850 QDECREF(pdict);
2851 g_free(id);
2852 g_free(type);
2853 g_free(dummy);
2854 if (err) {
2855 error_report_err(err);
2856 return -1;
2857 }
2858 return 0;
2859 }
2860
2861 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2862 MachineClass *mc)
2863 {
2864 uint64_t sz;
2865 const char *mem_str;
2866 const char *maxmem_str, *slots_str;
2867 const ram_addr_t default_ram_size = mc->default_ram_size;
2868 QemuOpts *opts = qemu_find_opts_singleton("memory");
2869
2870 sz = 0;
2871 mem_str = qemu_opt_get(opts, "size");
2872 if (mem_str) {
2873 if (!*mem_str) {
2874 error_report("missing 'size' option value");
2875 exit(EXIT_FAILURE);
2876 }
2877
2878 sz = qemu_opt_get_size(opts, "size", ram_size);
2879
2880 /* Fix up legacy suffix-less format */
2881 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2882 uint64_t overflow_check = sz;
2883
2884 sz <<= 20;
2885 if ((sz >> 20) != overflow_check) {
2886 error_report("too large 'size' option value");
2887 exit(EXIT_FAILURE);
2888 }
2889 }
2890 }
2891
2892 /* backward compatibility behaviour for case "-m 0" */
2893 if (sz == 0) {
2894 sz = default_ram_size;
2895 }
2896
2897 sz = QEMU_ALIGN_UP(sz, 8192);
2898 ram_size = sz;
2899 if (ram_size != sz) {
2900 error_report("ram size too large");
2901 exit(EXIT_FAILURE);
2902 }
2903
2904 /* store value for the future use */
2905 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2906 *maxram_size = ram_size;
2907
2908 maxmem_str = qemu_opt_get(opts, "maxmem");
2909 slots_str = qemu_opt_get(opts, "slots");
2910 if (maxmem_str && slots_str) {
2911 uint64_t slots;
2912
2913 sz = qemu_opt_get_size(opts, "maxmem", 0);
2914 slots = qemu_opt_get_number(opts, "slots", 0);
2915 if (sz < ram_size) {
2916 error_report("invalid value of -m option maxmem: "
2917 "maximum memory size (0x%" PRIx64 ") must be at least "
2918 "the initial memory size (0x" RAM_ADDR_FMT ")",
2919 sz, ram_size);
2920 exit(EXIT_FAILURE);
2921 } else if (sz > ram_size) {
2922 if (!slots) {
2923 error_report("invalid value of -m option: maxmem was "
2924 "specified, but no hotplug slots were specified");
2925 exit(EXIT_FAILURE);
2926 }
2927 } else if (slots) {
2928 error_report("invalid value of -m option maxmem: "
2929 "memory slots were specified but maximum memory size "
2930 "(0x%" PRIx64 ") is equal to the initial memory size "
2931 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2932 exit(EXIT_FAILURE);
2933 }
2934
2935 *maxram_size = sz;
2936 *ram_slots = slots;
2937 } else if ((!maxmem_str && slots_str) ||
2938 (maxmem_str && !slots_str)) {
2939 error_report("invalid -m option value: missing "
2940 "'%s' option", slots_str ? "maxmem" : "slots");
2941 exit(EXIT_FAILURE);
2942 }
2943 }
2944
2945 int main(int argc, char **argv, char **envp)
2946 {
2947 int i;
2948 int snapshot, linux_boot;
2949 const char *initrd_filename;
2950 const char *kernel_filename, *kernel_cmdline;
2951 const char *boot_order = NULL;
2952 const char *boot_once = NULL;
2953 DisplayState *ds;
2954 int cyls, heads, secs, translation;
2955 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2956 QemuOptsList *olist;
2957 int optind;
2958 const char *optarg;
2959 const char *loadvm = NULL;
2960 MachineClass *machine_class;
2961 const char *cpu_model;
2962 const char *vga_model = NULL;
2963 const char *qtest_chrdev = NULL;
2964 const char *qtest_log = NULL;
2965 const char *pid_file = NULL;
2966 const char *incoming = NULL;
2967 #ifdef CONFIG_VNC
2968 int show_vnc_port = 0;
2969 #endif
2970 bool defconfig = true;
2971 bool userconfig = true;
2972 const char *log_mask = NULL;
2973 const char *log_file = NULL;
2974 GMemVTable mem_trace = {
2975 .malloc = malloc_and_trace,
2976 .realloc = realloc_and_trace,
2977 .free = free_and_trace,
2978 };
2979 const char *trace_events = NULL;
2980 const char *trace_file = NULL;
2981 ram_addr_t maxram_size;
2982 uint64_t ram_slots = 0;
2983 FILE *vmstate_dump_file = NULL;
2984 Error *main_loop_err = NULL;
2985 Error *err = NULL;
2986
2987 qemu_init_cpu_loop();
2988 qemu_mutex_lock_iothread();
2989
2990 atexit(qemu_run_exit_notifiers);
2991 error_set_progname(argv[0]);
2992 qemu_init_exec_dir(argv[0]);
2993
2994 g_mem_set_vtable(&mem_trace);
2995
2996 module_call_init(MODULE_INIT_QOM);
2997
2998 qemu_add_opts(&qemu_drive_opts);
2999 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3000 qemu_add_drive_opts(&qemu_common_drive_opts);
3001 qemu_add_drive_opts(&qemu_drive_opts);
3002 qemu_add_opts(&qemu_chardev_opts);
3003 qemu_add_opts(&qemu_device_opts);
3004 qemu_add_opts(&qemu_netdev_opts);
3005 qemu_add_opts(&qemu_net_opts);
3006 qemu_add_opts(&qemu_rtc_opts);
3007 qemu_add_opts(&qemu_global_opts);
3008 qemu_add_opts(&qemu_mon_opts);
3009 qemu_add_opts(&qemu_trace_opts);
3010 qemu_add_opts(&qemu_option_rom_opts);
3011 qemu_add_opts(&qemu_machine_opts);
3012 qemu_add_opts(&qemu_mem_opts);
3013 qemu_add_opts(&qemu_smp_opts);
3014 qemu_add_opts(&qemu_boot_opts);
3015 qemu_add_opts(&qemu_sandbox_opts);
3016 qemu_add_opts(&qemu_add_fd_opts);
3017 qemu_add_opts(&qemu_object_opts);
3018 qemu_add_opts(&qemu_tpmdev_opts);
3019 qemu_add_opts(&qemu_realtime_opts);
3020 qemu_add_opts(&qemu_msg_opts);
3021 qemu_add_opts(&qemu_name_opts);
3022 qemu_add_opts(&qemu_numa_opts);
3023 qemu_add_opts(&qemu_icount_opts);
3024 qemu_add_opts(&qemu_semihosting_config_opts);
3025 qemu_add_opts(&qemu_fw_cfg_opts);
3026
3027 runstate_init();
3028
3029 if (qcrypto_init(&err) < 0) {
3030 fprintf(stderr, "Cannot initialize crypto: %s\n",
3031 error_get_pretty(err));
3032 exit(1);
3033 }
3034 rtc_clock = QEMU_CLOCK_HOST;
3035
3036 QLIST_INIT (&vm_change_state_head);
3037 os_setup_early_signal_handling();
3038
3039 module_call_init(MODULE_INIT_MACHINE);
3040 machine_class = find_default_machine();
3041 cpu_model = NULL;
3042 snapshot = 0;
3043 cyls = heads = secs = 0;
3044 translation = BIOS_ATA_TRANSLATION_AUTO;
3045
3046 nb_nics = 0;
3047
3048 bdrv_init_with_whitelist();
3049
3050 autostart = 1;
3051
3052 /* first pass of option parsing */
3053 optind = 1;
3054 while (optind < argc) {
3055 if (argv[optind][0] != '-') {
3056 /* disk image */
3057 optind++;
3058 } else {
3059 const QEMUOption *popt;
3060
3061 popt = lookup_opt(argc, argv, &optarg, &optind);
3062 switch (popt->index) {
3063 case QEMU_OPTION_nodefconfig:
3064 defconfig = false;
3065 break;
3066 case QEMU_OPTION_nouserconfig:
3067 userconfig = false;
3068 break;
3069 }
3070 }
3071 }
3072
3073 if (defconfig) {
3074 int ret;
3075 ret = qemu_read_default_config_files(userconfig);
3076 if (ret < 0) {
3077 exit(1);
3078 }
3079 }
3080
3081 /* second pass of option parsing */
3082 optind = 1;
3083 for(;;) {
3084 if (optind >= argc)
3085 break;
3086 if (argv[optind][0] != '-') {
3087 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3088 } else {
3089 const QEMUOption *popt;
3090
3091 popt = lookup_opt(argc, argv, &optarg, &optind);
3092 if (!(popt->arch_mask & arch_type)) {
3093 printf("Option %s not supported for this target\n", popt->name);
3094 exit(1);
3095 }
3096 switch(popt->index) {
3097 case QEMU_OPTION_no_kvm_irqchip: {
3098 olist = qemu_find_opts("machine");
3099 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3100 break;
3101 }
3102 case QEMU_OPTION_cpu:
3103 /* hw initialization will check this */
3104 cpu_model = optarg;
3105 break;
3106 case QEMU_OPTION_hda:
3107 {
3108 char buf[256];
3109 if (cyls == 0)
3110 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3111 else
3112 snprintf(buf, sizeof(buf),
3113 "%s,cyls=%d,heads=%d,secs=%d%s",
3114 HD_OPTS , cyls, heads, secs,
3115 translation == BIOS_ATA_TRANSLATION_LBA ?
3116 ",trans=lba" :
3117 translation == BIOS_ATA_TRANSLATION_NONE ?
3118 ",trans=none" : "");
3119 drive_add(IF_DEFAULT, 0, optarg, buf);
3120 break;
3121 }
3122 case QEMU_OPTION_hdb:
3123 case QEMU_OPTION_hdc:
3124 case QEMU_OPTION_hdd:
3125 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3126 HD_OPTS);
3127 break;
3128 case QEMU_OPTION_drive:
3129 if (drive_def(optarg) == NULL) {
3130 exit(1);
3131 }
3132 break;
3133 case QEMU_OPTION_set:
3134 if (qemu_set_option(optarg) != 0)
3135 exit(1);
3136 break;
3137 case QEMU_OPTION_global:
3138 if (qemu_global_option(optarg) != 0)
3139 exit(1);
3140 break;
3141 case QEMU_OPTION_mtdblock:
3142 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3143 break;
3144 case QEMU_OPTION_sd:
3145 drive_add(IF_SD, -1, optarg, SD_OPTS);
3146 break;
3147 case QEMU_OPTION_pflash:
3148 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3149 break;
3150 case QEMU_OPTION_snapshot:
3151 snapshot = 1;
3152 break;
3153 case QEMU_OPTION_hdachs:
3154 {
3155 const char *p;
3156 p = optarg;
3157 cyls = strtol(p, (char **)&p, 0);
3158 if (cyls < 1 || cyls > 16383)
3159 goto chs_fail;
3160 if (*p != ',')
3161 goto chs_fail;
3162 p++;
3163 heads = strtol(p, (char **)&p, 0);
3164 if (heads < 1 || heads > 16)
3165 goto chs_fail;
3166 if (*p != ',')
3167 goto chs_fail;
3168 p++;
3169 secs = strtol(p, (char **)&p, 0);
3170 if (secs < 1 || secs > 63)
3171 goto chs_fail;
3172 if (*p == ',') {
3173 p++;
3174 if (!strcmp(p, "large")) {
3175 translation = BIOS_ATA_TRANSLATION_LARGE;
3176 } else if (!strcmp(p, "rechs")) {
3177 translation = BIOS_ATA_TRANSLATION_RECHS;
3178 } else if (!strcmp(p, "none")) {
3179 translation = BIOS_ATA_TRANSLATION_NONE;
3180 } else if (!strcmp(p, "lba")) {
3181 translation = BIOS_ATA_TRANSLATION_LBA;
3182 } else if (!strcmp(p, "auto")) {
3183 translation = BIOS_ATA_TRANSLATION_AUTO;
3184 } else {
3185 goto chs_fail;
3186 }
3187 } else if (*p != '\0') {
3188 chs_fail:
3189 fprintf(stderr, "qemu: invalid physical CHS format\n");
3190 exit(1);
3191 }
3192 if (hda_opts != NULL) {
3193 qemu_opt_set_number(hda_opts, "cyls", cyls,
3194 &error_abort);
3195 qemu_opt_set_number(hda_opts, "heads", heads,
3196 &error_abort);
3197 qemu_opt_set_number(hda_opts, "secs", secs,
3198 &error_abort);
3199 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3200 qemu_opt_set(hda_opts, "trans", "large",
3201 &error_abort);
3202 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3203 qemu_opt_set(hda_opts, "trans", "rechs",
3204 &error_abort);
3205 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3206 qemu_opt_set(hda_opts, "trans", "lba",
3207 &error_abort);
3208 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3209 qemu_opt_set(hda_opts, "trans", "none",
3210 &error_abort);
3211 }
3212 }
3213 }
3214 break;
3215 case QEMU_OPTION_numa:
3216 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3217 optarg, true);
3218 if (!opts) {
3219 exit(1);
3220 }
3221 break;
3222 case QEMU_OPTION_display:
3223 display_type = select_display(optarg);
3224 break;
3225 case QEMU_OPTION_nographic:
3226 display_type = DT_NOGRAPHIC;
3227 break;
3228 case QEMU_OPTION_curses:
3229 #ifdef CONFIG_CURSES
3230 display_type = DT_CURSES;
3231 #else
3232 fprintf(stderr, "Curses support is disabled\n");
3233 exit(1);
3234 #endif
3235 break;
3236 case QEMU_OPTION_portrait:
3237 graphic_rotate = 90;
3238 break;
3239 case QEMU_OPTION_rotate:
3240 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3241 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3242 graphic_rotate != 180 && graphic_rotate != 270) {
3243 fprintf(stderr,
3244 "qemu: only 90, 180, 270 deg rotation is available\n");
3245 exit(1);
3246 }
3247 break;
3248 case QEMU_OPTION_kernel:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3250 &error_abort);
3251 break;
3252 case QEMU_OPTION_initrd:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3254 &error_abort);
3255 break;
3256 case QEMU_OPTION_append:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3258 &error_abort);
3259 break;
3260 case QEMU_OPTION_dtb:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3262 &error_abort);
3263 break;
3264 case QEMU_OPTION_cdrom:
3265 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3266 break;
3267 case QEMU_OPTION_boot:
3268 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3269 optarg, true);
3270 if (!opts) {
3271 exit(1);
3272 }
3273 break;
3274 case QEMU_OPTION_fda:
3275 case QEMU_OPTION_fdb:
3276 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3277 optarg, FD_OPTS);
3278 break;
3279 case QEMU_OPTION_no_fd_bootchk:
3280 fd_bootchk = 0;
3281 break;
3282 case QEMU_OPTION_netdev:
3283 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3284 exit(1);
3285 }
3286 break;
3287 case QEMU_OPTION_net:
3288 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3289 exit(1);
3290 }
3291 break;
3292 #ifdef CONFIG_LIBISCSI
3293 case QEMU_OPTION_iscsi:
3294 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3295 optarg, false);
3296 if (!opts) {
3297 exit(1);
3298 }
3299 break;
3300 #endif
3301 #ifdef CONFIG_SLIRP
3302 case QEMU_OPTION_tftp:
3303 legacy_tftp_prefix = optarg;
3304 break;
3305 case QEMU_OPTION_bootp:
3306 legacy_bootp_filename = optarg;
3307 break;
3308 case QEMU_OPTION_redir:
3309 if (net_slirp_redir(optarg) < 0)
3310 exit(1);
3311 break;
3312 #endif
3313 case QEMU_OPTION_bt:
3314 add_device_config(DEV_BT, optarg);
3315 break;
3316 case QEMU_OPTION_audio_help:
3317 AUD_help ();
3318 exit (0);
3319 break;
3320 case QEMU_OPTION_soundhw:
3321 select_soundhw (optarg);
3322 break;
3323 case QEMU_OPTION_h:
3324 help(0);
3325 break;
3326 case QEMU_OPTION_version:
3327 version();
3328 exit(0);
3329 break;
3330 case QEMU_OPTION_m:
3331 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3332 optarg, true);
3333 if (!opts) {
3334 exit(EXIT_FAILURE);
3335 }
3336 break;
3337 #ifdef CONFIG_TPM
3338 case QEMU_OPTION_tpmdev:
3339 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3340 exit(1);
3341 }
3342 break;
3343 #endif
3344 case QEMU_OPTION_mempath:
3345 mem_path = optarg;
3346 break;
3347 case QEMU_OPTION_mem_prealloc:
3348 mem_prealloc = 1;
3349 break;
3350 case QEMU_OPTION_d:
3351 log_mask = optarg;
3352 break;
3353 case QEMU_OPTION_D:
3354 log_file = optarg;
3355 break;
3356 case QEMU_OPTION_s:
3357 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3358 break;
3359 case QEMU_OPTION_gdb:
3360 add_device_config(DEV_GDB, optarg);
3361 break;
3362 case QEMU_OPTION_L:
3363 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3364 data_dir[data_dir_idx++] = optarg;
3365 }
3366 break;
3367 case QEMU_OPTION_bios:
3368 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3369 &error_abort);
3370 break;
3371 case QEMU_OPTION_singlestep:
3372 singlestep = 1;
3373 break;
3374 case QEMU_OPTION_S:
3375 autostart = 0;
3376 break;
3377 case QEMU_OPTION_k:
3378 keyboard_layout = optarg;
3379 break;
3380 case QEMU_OPTION_localtime:
3381 rtc_utc = 0;
3382 break;
3383 case QEMU_OPTION_vga:
3384 vga_model = optarg;
3385 default_vga = 0;
3386 break;
3387 case QEMU_OPTION_g:
3388 {
3389 const char *p;
3390 int w, h, depth;
3391 p = optarg;
3392 w = strtol(p, (char **)&p, 10);
3393 if (w <= 0) {
3394 graphic_error:
3395 fprintf(stderr, "qemu: invalid resolution or depth\n");
3396 exit(1);
3397 }
3398 if (*p != 'x')
3399 goto graphic_error;
3400 p++;
3401 h = strtol(p, (char **)&p, 10);
3402 if (h <= 0)
3403 goto graphic_error;
3404 if (*p == 'x') {
3405 p++;
3406 depth = strtol(p, (char **)&p, 10);
3407 if (depth != 8 && depth != 15 && depth != 16 &&
3408 depth != 24 && depth != 32)
3409 goto graphic_error;
3410 } else if (*p == '\0') {
3411 depth = graphic_depth;
3412 } else {
3413 goto graphic_error;
3414 }
3415
3416 graphic_width = w;
3417 graphic_height = h;
3418 graphic_depth = depth;
3419 }
3420 break;
3421 case QEMU_OPTION_echr:
3422 {
3423 char *r;
3424 term_escape_char = strtol(optarg, &r, 0);
3425 if (r == optarg)
3426 printf("Bad argument to echr\n");
3427 break;
3428 }
3429 case QEMU_OPTION_monitor:
3430 default_monitor = 0;
3431 if (strncmp(optarg, "none", 4)) {
3432 monitor_parse(optarg, "readline", false);
3433 }
3434 break;
3435 case QEMU_OPTION_qmp:
3436 monitor_parse(optarg, "control", false);
3437 default_monitor = 0;
3438 break;
3439 case QEMU_OPTION_qmp_pretty:
3440 monitor_parse(optarg, "control", true);
3441 default_monitor = 0;
3442 break;
3443 case QEMU_OPTION_mon:
3444 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3445 true);
3446 if (!opts) {
3447 exit(1);
3448 }
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_chardev:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3453 optarg, true);
3454 if (!opts) {
3455 exit(1);
3456 }
3457 break;
3458 case QEMU_OPTION_fsdev:
3459 olist = qemu_find_opts("fsdev");
3460 if (!olist) {
3461 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3462 exit(1);
3463 }
3464 opts = qemu_opts_parse_noisily(olist, optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468 break;
3469 case QEMU_OPTION_virtfs: {
3470 QemuOpts *fsdev;
3471 QemuOpts *device;
3472 const char *writeout, *sock_fd, *socket;
3473
3474 olist = qemu_find_opts("virtfs");
3475 if (!olist) {
3476 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3477 exit(1);
3478 }
3479 opts = qemu_opts_parse_noisily(olist, optarg, true);
3480 if (!opts) {
3481 exit(1);
3482 }
3483
3484 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3485 qemu_opt_get(opts, "mount_tag") == NULL) {
3486 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3487 exit(1);
3488 }
3489 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3490 qemu_opt_get(opts, "mount_tag"),
3491 1, NULL);
3492 if (!fsdev) {
3493 fprintf(stderr, "duplicate fsdev id: %s\n",
3494 qemu_opt_get(opts, "mount_tag"));
3495 exit(1);
3496 }
3497
3498 writeout = qemu_opt_get(opts, "writeout");
3499 if (writeout) {
3500 #ifdef CONFIG_SYNC_FILE_RANGE
3501 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3502 #else
3503 fprintf(stderr, "writeout=immediate not supported on "
3504 "this platform\n");
3505 exit(1);
3506 #endif
3507 }
3508 qemu_opt_set(fsdev, "fsdriver",
3509 qemu_opt_get(opts, "fsdriver"), &error_abort);
3510 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3511 &error_abort);
3512 qemu_opt_set(fsdev, "security_model",
3513 qemu_opt_get(opts, "security_model"),
3514 &error_abort);
3515 socket = qemu_opt_get(opts, "socket");
3516 if (socket) {
3517 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3518 }
3519 sock_fd = qemu_opt_get(opts, "sock_fd");
3520 if (sock_fd) {
3521 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3522 }
3523
3524 qemu_opt_set_bool(fsdev, "readonly",
3525 qemu_opt_get_bool(opts, "readonly", 0),
3526 &error_abort);
3527 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3528 &error_abort);
3529 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3530 qemu_opt_set(device, "fsdev",
3531 qemu_opt_get(opts, "mount_tag"), &error_abort);
3532 qemu_opt_set(device, "mount_tag",
3533 qemu_opt_get(opts, "mount_tag"), &error_abort);
3534 break;
3535 }
3536 case QEMU_OPTION_virtfs_synth: {
3537 QemuOpts *fsdev;
3538 QemuOpts *device;
3539
3540 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3541 1, NULL);
3542 if (!fsdev) {
3543 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3544 exit(1);
3545 }
3546 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3547
3548 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3549 &error_abort);
3550 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3551 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3552 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3553 break;
3554 }
3555 case QEMU_OPTION_serial:
3556 add_device_config(DEV_SERIAL, optarg);
3557 default_serial = 0;
3558 if (strncmp(optarg, "mon:", 4) == 0) {
3559 default_monitor = 0;
3560 }
3561 break;
3562 case QEMU_OPTION_watchdog:
3563 if (watchdog) {
3564 fprintf(stderr,
3565 "qemu: only one watchdog option may be given\n");
3566 return 1;
3567 }
3568 watchdog = optarg;
3569 break;
3570 case QEMU_OPTION_watchdog_action:
3571 if (select_watchdog_action(optarg) == -1) {
3572 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3573 exit(1);
3574 }
3575 break;
3576 case QEMU_OPTION_virtiocon:
3577 add_device_config(DEV_VIRTCON, optarg);
3578 default_virtcon = 0;
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3581 }
3582 break;
3583 case QEMU_OPTION_parallel:
3584 add_device_config(DEV_PARALLEL, optarg);
3585 default_parallel = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3588 }
3589 break;
3590 case QEMU_OPTION_debugcon:
3591 add_device_config(DEV_DEBUGCON, optarg);
3592 break;
3593 case QEMU_OPTION_loadvm:
3594 loadvm = optarg;
3595 break;
3596 case QEMU_OPTION_full_screen:
3597 full_screen = 1;
3598 break;
3599 case QEMU_OPTION_no_frame:
3600 no_frame = 1;
3601 break;
3602 case QEMU_OPTION_alt_grab:
3603 alt_grab = 1;
3604 break;
3605 case QEMU_OPTION_ctrl_grab:
3606 ctrl_grab = 1;
3607 break;
3608 case QEMU_OPTION_no_quit:
3609 no_quit = 1;
3610 break;
3611 case QEMU_OPTION_sdl:
3612 #ifdef CONFIG_SDL
3613 display_type = DT_SDL;
3614 break;
3615 #else
3616 fprintf(stderr, "SDL support is disabled\n");
3617 exit(1);
3618 #endif
3619 case QEMU_OPTION_pidfile:
3620 pid_file = optarg;
3621 break;
3622 case QEMU_OPTION_win2k_hack:
3623 win2k_install_hack = 1;
3624 break;
3625 case QEMU_OPTION_rtc_td_hack: {
3626 static GlobalProperty slew_lost_ticks[] = {
3627 {
3628 .driver = "mc146818rtc",
3629 .property = "lost_tick_policy",
3630 .value = "slew",
3631 },
3632 { /* end of list */ }
3633 };
3634
3635 qdev_prop_register_global_list(slew_lost_ticks);
3636 break;
3637 }
3638 case QEMU_OPTION_acpitable:
3639 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3640 optarg, true);
3641 if (!opts) {
3642 exit(1);
3643 }
3644 do_acpitable_option(opts);
3645 break;
3646 case QEMU_OPTION_smbios:
3647 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3648 optarg, false);
3649 if (!opts) {
3650 exit(1);
3651 }
3652 do_smbios_option(opts);
3653 break;
3654 case QEMU_OPTION_fwcfg:
3655 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3656 optarg, true);
3657 if (opts == NULL) {
3658 exit(1);
3659 }
3660 break;
3661 case QEMU_OPTION_enable_kvm:
3662 olist = qemu_find_opts("machine");
3663 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3664 break;
3665 case QEMU_OPTION_M:
3666 case QEMU_OPTION_machine:
3667 olist = qemu_find_opts("machine");
3668 opts = qemu_opts_parse_noisily(olist, optarg, true);
3669 if (!opts) {
3670 exit(1);
3671 }
3672 break;
3673 case QEMU_OPTION_no_kvm:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3676 break;
3677 case QEMU_OPTION_no_kvm_pit: {
3678 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3679 "separately.\n");
3680 break;
3681 }
3682 case QEMU_OPTION_no_kvm_pit_reinjection: {
3683 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3684 {
3685 .driver = "kvm-pit",
3686 .property = "lost_tick_policy",
3687 .value = "discard",
3688 },
3689 { /* end of list */ }
3690 };
3691
3692 fprintf(stderr, "Warning: option deprecated, use "
3693 "lost_tick_policy property of kvm-pit instead.\n");
3694 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3695 break;
3696 }
3697 case QEMU_OPTION_usb:
3698 olist = qemu_find_opts("machine");
3699 qemu_opts_parse_noisily(olist, "usb=on", false);
3700 break;
3701 case QEMU_OPTION_usbdevice:
3702 olist = qemu_find_opts("machine");
3703 qemu_opts_parse_noisily(olist, "usb=on", false);
3704 add_device_config(DEV_USB, optarg);
3705 break;
3706 case QEMU_OPTION_device:
3707 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3708 optarg, true)) {
3709 exit(1);
3710 }
3711 break;
3712 case QEMU_OPTION_smp:
3713 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3714 optarg, true)) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_vnc:
3719 {
3720 #ifdef CONFIG_VNC
3721 Error *local_err = NULL;
3722
3723 if (vnc_parse(optarg, &local_err) == NULL) {
3724 error_report_err(local_err);
3725 exit(1);
3726 }
3727 #else
3728 fprintf(stderr, "VNC support is disabled\n");
3729 exit(1);
3730 #endif
3731 break;
3732 }
3733 case QEMU_OPTION_no_acpi:
3734 acpi_enabled = 0;
3735 break;
3736 case QEMU_OPTION_no_hpet:
3737 no_hpet = 1;
3738 break;
3739 case QEMU_OPTION_balloon:
3740 if (balloon_parse(optarg) < 0) {
3741 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3742 exit(1);
3743 }
3744 break;
3745 case QEMU_OPTION_no_reboot:
3746 no_reboot = 1;
3747 break;
3748 case QEMU_OPTION_no_shutdown:
3749 no_shutdown = 1;
3750 break;
3751 case QEMU_OPTION_show_cursor:
3752 cursor_hide = 0;
3753 break;
3754 case QEMU_OPTION_uuid:
3755 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3756 fprintf(stderr, "Fail to parse UUID string."
3757 " Wrong format.\n");
3758 exit(1);
3759 }
3760 qemu_uuid_set = true;
3761 break;
3762 case QEMU_OPTION_option_rom:
3763 if (nb_option_roms >= MAX_OPTION_ROMS) {
3764 fprintf(stderr, "Too many option ROMs\n");
3765 exit(1);
3766 }
3767 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3768 optarg, true);
3769 if (!opts) {
3770 exit(1);
3771 }
3772 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3773 option_rom[nb_option_roms].bootindex =
3774 qemu_opt_get_number(opts, "bootindex", -1);
3775 if (!option_rom[nb_option_roms].name) {
3776 fprintf(stderr, "Option ROM file is not specified\n");
3777 exit(1);
3778 }
3779 nb_option_roms++;
3780 break;
3781 case QEMU_OPTION_semihosting:
3782 semihosting.enabled = true;
3783 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3784 break;
3785 case QEMU_OPTION_semihosting_config:
3786 semihosting.enabled = true;
3787 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3788 optarg, false);
3789 if (opts != NULL) {
3790 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3791 true);
3792 const char *target = qemu_opt_get(opts, "target");
3793 if (target != NULL) {
3794 if (strcmp("native", target) == 0) {
3795 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3796 } else if (strcmp("gdb", target) == 0) {
3797 semihosting.target = SEMIHOSTING_TARGET_GDB;
3798 } else if (strcmp("auto", target) == 0) {
3799 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3800 } else {
3801 fprintf(stderr, "Unsupported semihosting-config"
3802 " %s\n",
3803 optarg);
3804 exit(1);
3805 }
3806 } else {
3807 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3808 }
3809 /* Set semihosting argument count and vector */
3810 qemu_opt_foreach(opts, add_semihosting_arg,
3811 &semihosting, NULL);
3812 } else {
3813 fprintf(stderr, "Unsupported semihosting-config %s\n",
3814 optarg);
3815 exit(1);
3816 }
3817 break;
3818 case QEMU_OPTION_tdf:
3819 fprintf(stderr, "Warning: user space PIT time drift fix "
3820 "is no longer supported.\n");
3821 break;
3822 case QEMU_OPTION_name:
3823 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3824 optarg, true);
3825 if (!opts) {
3826 exit(1);
3827 }
3828 break;
3829 case QEMU_OPTION_prom_env:
3830 if (nb_prom_envs >= MAX_PROM_ENVS) {
3831 fprintf(stderr, "Too many prom variables\n");
3832 exit(1);
3833 }
3834 prom_envs[nb_prom_envs] = optarg;
3835 nb_prom_envs++;
3836 break;
3837 case QEMU_OPTION_old_param:
3838 old_param = 1;
3839 break;
3840 case QEMU_OPTION_clock:
3841 /* Clock options no longer exist. Keep this option for
3842 * backward compatibility.
3843 */
3844 break;
3845 case QEMU_OPTION_startdate:
3846 configure_rtc_date_offset(optarg, 1);
3847 break;
3848 case QEMU_OPTION_rtc:
3849 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3850 false);
3851 if (!opts) {
3852 exit(1);
3853 }
3854 configure_rtc(opts);
3855 break;
3856 case QEMU_OPTION_tb_size:
3857 tcg_tb_size = strtol(optarg, NULL, 0);
3858 if (tcg_tb_size < 0) {
3859 tcg_tb_size = 0;
3860 }
3861 break;
3862 case QEMU_OPTION_icount:
3863 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3864 optarg, true);
3865 if (!icount_opts) {
3866 exit(1);
3867 }
3868 break;
3869 case QEMU_OPTION_incoming:
3870 if (!incoming) {
3871 runstate_set(RUN_STATE_INMIGRATE);
3872 }
3873 incoming = optarg;
3874 break;
3875 case QEMU_OPTION_nodefaults:
3876 has_defaults = 0;
3877 break;
3878 case QEMU_OPTION_xen_domid:
3879 if (!(xen_available())) {
3880 printf("Option %s not supported for this target\n", popt->name);
3881 exit(1);
3882 }
3883 xen_domid = atoi(optarg);
3884 break;
3885 case QEMU_OPTION_xen_create:
3886 if (!(xen_available())) {
3887 printf("Option %s not supported for this target\n", popt->name);
3888 exit(1);
3889 }
3890 xen_mode = XEN_CREATE;
3891 break;
3892 case QEMU_OPTION_xen_attach:
3893 if (!(xen_available())) {
3894 printf("Option %s not supported for this target\n", popt->name);
3895 exit(1);
3896 }
3897 xen_mode = XEN_ATTACH;
3898 break;
3899 case QEMU_OPTION_trace:
3900 {
3901 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3902 optarg, false);
3903 if (!opts) {
3904 exit(1);
3905 }
3906 trace_events = qemu_opt_get(opts, "events");
3907 trace_file = qemu_opt_get(opts, "file");
3908 break;
3909 }
3910 case QEMU_OPTION_readconfig:
3911 {
3912 int ret = qemu_read_config_file(optarg);
3913 if (ret < 0) {
3914 fprintf(stderr, "read config %s: %s\n", optarg,
3915 strerror(-ret));
3916 exit(1);
3917 }
3918 break;
3919 }
3920 case QEMU_OPTION_spice:
3921 olist = qemu_find_opts("spice");
3922 if (!olist) {
3923 fprintf(stderr, "spice is not supported by this qemu build.\n");
3924 exit(1);
3925 }
3926 opts = qemu_opts_parse_noisily(olist, optarg, false);
3927 if (!opts) {
3928 exit(1);
3929 }
3930 display_remote++;
3931 break;
3932 case QEMU_OPTION_writeconfig:
3933 {
3934 FILE *fp;
3935 if (strcmp(optarg, "-") == 0) {
3936 fp = stdout;
3937 } else {
3938 fp = fopen(optarg, "w");
3939 if (fp == NULL) {
3940 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3941 exit(1);
3942 }
3943 }
3944 qemu_config_write(fp);
3945 if (fp != stdout) {
3946 fclose(fp);
3947 }
3948 break;
3949 }
3950 case QEMU_OPTION_qtest:
3951 qtest_chrdev = optarg;
3952 break;
3953 case QEMU_OPTION_qtest_log:
3954 qtest_log = optarg;
3955 break;
3956 case QEMU_OPTION_sandbox:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3958 optarg, true);
3959 if (!opts) {
3960 exit(1);
3961 }
3962 break;
3963 case QEMU_OPTION_add_fd:
3964 #ifndef _WIN32
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3966 optarg, false);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 #else
3971 error_report("File descriptor passing is disabled on this "
3972 "platform");
3973 exit(1);
3974 #endif
3975 break;
3976 case QEMU_OPTION_object:
3977 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3978 optarg, true);
3979 if (!opts) {
3980 exit(1);
3981 }
3982 break;
3983 case QEMU_OPTION_realtime:
3984 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3985 optarg, false);
3986 if (!opts) {
3987 exit(1);
3988 }
3989 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3990 break;
3991 case QEMU_OPTION_msg:
3992 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3993 false);
3994 if (!opts) {
3995 exit(1);
3996 }
3997 configure_msg(opts);
3998 break;
3999 case QEMU_OPTION_dump_vmstate:
4000 if (vmstate_dump_file) {
4001 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4002 "option may be given\n");
4003 exit(1);
4004 }
4005 vmstate_dump_file = fopen(optarg, "w");
4006 if (vmstate_dump_file == NULL) {
4007 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4008 exit(1);
4009 }
4010 break;
4011 default:
4012 os_parse_cmd_args(popt->index, optarg);
4013 }
4014 }
4015 }
4016
4017 opts = qemu_get_machine_opts();
4018 optarg = qemu_opt_get(opts, "type");
4019 if (optarg) {
4020 machine_class = machine_parse(optarg);
4021 }
4022
4023 if (machine_class == NULL) {
4024 fprintf(stderr, "No machine specified, and there is no default.\n"
4025 "Use -machine help to list supported machines!\n");
4026 exit(1);
4027 }
4028
4029 set_memory_options(&ram_slots, &maxram_size, machine_class);
4030
4031 loc_set_none();
4032
4033 os_daemonize();
4034
4035 if (qemu_init_main_loop(&main_loop_err)) {
4036 error_report_err(main_loop_err);
4037 exit(1);
4038 }
4039
4040 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4041 parse_sandbox, NULL, NULL)) {
4042 exit(1);
4043 }
4044
4045 if (qemu_opts_foreach(qemu_find_opts("name"),
4046 parse_name, NULL, NULL)) {
4047 exit(1);
4048 }
4049
4050 #ifndef _WIN32
4051 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4052 parse_add_fd, NULL, NULL)) {
4053 exit(1);
4054 }
4055
4056 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4057 cleanup_add_fd, NULL, NULL)) {
4058 exit(1);
4059 }
4060 #endif
4061
4062 current_machine = MACHINE(object_new(object_class_get_name(
4063 OBJECT_CLASS(machine_class))));
4064 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4065 exit(0);
4066 }
4067 object_property_add_child(object_get_root(), "machine",
4068 OBJECT(current_machine), &error_abort);
4069 cpu_exec_init_all();
4070
4071 if (machine_class->hw_version) {
4072 qemu_set_version(machine_class->hw_version);
4073 }
4074
4075 /* Init CPU def lists, based on config
4076 * - Must be called after all the qemu_read_config_file() calls
4077 * - Must be called before list_cpus()
4078 * - Must be called before machine->init()
4079 */
4080 cpudef_init();
4081
4082 if (cpu_model && is_help_option(cpu_model)) {
4083 list_cpus(stdout, &fprintf, cpu_model);
4084 exit(0);
4085 }
4086
4087 /* Open the logfile at this point and set the log mask if necessary.
4088 */
4089 if (log_file) {
4090 qemu_set_log_filename(log_file);
4091 }
4092
4093 if (log_mask) {
4094 int mask;
4095 mask = qemu_str_to_log_mask(log_mask);
4096 if (!mask) {
4097 qemu_print_log_usage(stdout);
4098 exit(1);
4099 }
4100 qemu_set_log(mask);
4101 }
4102
4103 if (!is_daemonized()) {
4104 if (!trace_init_backends(trace_events, trace_file)) {
4105 exit(1);
4106 }
4107 }
4108
4109 /* If no data_dir is specified then try to find it relative to the
4110 executable path. */
4111 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4112 data_dir[data_dir_idx] = os_find_datadir();
4113 if (data_dir[data_dir_idx] != NULL) {
4114 data_dir_idx++;
4115 }
4116 }
4117 /* If all else fails use the install path specified when building. */
4118 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4119 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4120 }
4121
4122 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4123
4124 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4125 if (max_cpus > machine_class->max_cpus) {
4126 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4127 "supported by machine `%s' (%d)\n", max_cpus,
4128 machine_class->name, machine_class->max_cpus);
4129 exit(1);
4130 }
4131
4132 /*
4133 * Get the default machine options from the machine if it is not already
4134 * specified either by the configuration file or by the command line.
4135 */
4136 if (machine_class->default_machine_opts) {
4137 qemu_opts_set_defaults(qemu_find_opts("machine"),
4138 machine_class->default_machine_opts, 0);
4139 }
4140
4141 qemu_opts_foreach(qemu_find_opts("device"),
4142 default_driver_check, NULL, NULL);
4143 qemu_opts_foreach(qemu_find_opts("global"),
4144 default_driver_check, NULL, NULL);
4145
4146 if (!vga_model && !default_vga) {
4147 vga_interface_type = VGA_DEVICE;
4148 }
4149 if (!has_defaults || machine_class->no_serial) {
4150 default_serial = 0;
4151 }
4152 if (!has_defaults || machine_class->no_parallel) {
4153 default_parallel = 0;
4154 }
4155 if (!has_defaults || !machine_class->use_virtcon) {
4156 default_virtcon = 0;
4157 }
4158 if (!has_defaults || !machine_class->use_sclp) {
4159 default_sclp = 0;
4160 }
4161 if (!has_defaults || machine_class->no_floppy) {
4162 default_floppy = 0;
4163 }
4164 if (!has_defaults || machine_class->no_cdrom) {
4165 default_cdrom = 0;
4166 }
4167 if (!has_defaults || machine_class->no_sdcard) {
4168 default_sdcard = 0;
4169 }
4170 if (!has_defaults) {
4171 default_monitor = 0;
4172 default_net = 0;
4173 default_vga = 0;
4174 }
4175
4176 if (is_daemonized()) {
4177 /* According to documentation and historically, -nographic redirects
4178 * serial port, parallel port and monitor to stdio, which does not work
4179 * with -daemonize. We can redirect these to null instead, but since
4180 * -nographic is legacy, let's just error out.
4181 * We disallow -nographic only if all other ports are not redirected
4182 * explicitly, to not break existing legacy setups which uses
4183 * -nographic _and_ redirects all ports explicitly - this is valid
4184 * usage, -nographic is just a no-op in this case.
4185 */
4186 if (display_type == DT_NOGRAPHIC
4187 && (default_parallel || default_serial
4188 || default_monitor || default_virtcon)) {
4189 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4190 exit(1);
4191 }
4192 #ifdef CONFIG_CURSES
4193 if (display_type == DT_CURSES) {
4194 fprintf(stderr, "curses display can not be used with -daemonize\n");
4195 exit(1);
4196 }
4197 #endif
4198 }
4199
4200 if (display_type == DT_NOGRAPHIC) {
4201 if (default_parallel)
4202 add_device_config(DEV_PARALLEL, "null");
4203 if (default_serial && default_monitor) {
4204 add_device_config(DEV_SERIAL, "mon:stdio");
4205 } else if (default_virtcon && default_monitor) {
4206 add_device_config(DEV_VIRTCON, "mon:stdio");
4207 } else if (default_sclp && default_monitor) {
4208 add_device_config(DEV_SCLP, "mon:stdio");
4209 } else {
4210 if (default_serial)
4211 add_device_config(DEV_SERIAL, "stdio");
4212 if (default_virtcon)
4213 add_device_config(DEV_VIRTCON, "stdio");
4214 if (default_sclp) {
4215 add_device_config(DEV_SCLP, "stdio");
4216 }
4217 if (default_monitor)
4218 monitor_parse("stdio", "readline", false);
4219 }
4220 } else {
4221 if (default_serial)
4222 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4223 if (default_parallel)
4224 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4225 if (default_monitor)
4226 monitor_parse("vc:80Cx24C", "readline", false);
4227 if (default_virtcon)
4228 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4229 if (default_sclp) {
4230 add_device_config(DEV_SCLP, "vc:80Cx24C");
4231 }
4232 }
4233
4234 #if defined(CONFIG_VNC)
4235 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4236 display_remote++;
4237 }
4238 #endif
4239 if (display_type == DT_DEFAULT && !display_remote) {
4240 #if defined(CONFIG_GTK)
4241 display_type = DT_GTK;
4242 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4243 display_type = DT_SDL;
4244 #elif defined(CONFIG_VNC)
4245 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4246 show_vnc_port = 1;
4247 #else
4248 display_type = DT_NONE;
4249 #endif
4250 }
4251
4252 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4253 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4254 "for SDL, ignoring option\n");
4255 }
4256 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4257 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4258 "ignoring option\n");
4259 }
4260
4261 #if defined(CONFIG_GTK)
4262 if (display_type == DT_GTK) {
4263 early_gtk_display_init(request_opengl);
4264 }
4265 #endif
4266 #if defined(CONFIG_SDL)
4267 if (display_type == DT_SDL) {
4268 sdl_display_early_init(request_opengl);
4269 }
4270 #endif
4271 if (request_opengl == 1 && display_opengl == 0) {
4272 #if defined(CONFIG_OPENGL)
4273 fprintf(stderr, "OpenGL is not supported by the display.\n");
4274 #else
4275 fprintf(stderr, "QEMU was built without opengl support.\n");
4276 #endif
4277 exit(1);
4278 }
4279
4280 socket_init();
4281
4282 if (qemu_opts_foreach(qemu_find_opts("object"),
4283 object_create,
4284 object_create_initial, NULL)) {
4285 exit(1);
4286 }
4287
4288 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4289 chardev_init_func, NULL, NULL)) {
4290 exit(1);
4291 }
4292
4293 #ifdef CONFIG_VIRTFS
4294 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4295 fsdev_init_func, NULL, NULL)) {
4296 exit(1);
4297 }
4298 #endif
4299
4300 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4301 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4302 exit(1);
4303 }
4304
4305 if (qemu_opts_foreach(qemu_find_opts("device"),
4306 device_help_func, NULL, NULL)) {
4307 exit(0);
4308 }
4309
4310 if (qemu_opts_foreach(qemu_find_opts("object"),
4311 object_create,
4312 object_create_delayed, NULL)) {
4313 exit(1);
4314 }
4315
4316 machine_opts = qemu_get_machine_opts();
4317 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4318 NULL)) {
4319 object_unref(OBJECT(current_machine));
4320 exit(1);
4321 }
4322
4323 configure_accelerator(current_machine);
4324
4325 if (qtest_chrdev) {
4326 Error *local_err = NULL;
4327 qtest_init(qtest_chrdev, qtest_log, &local_err);
4328 if (local_err) {
4329 error_report_err(local_err);
4330 exit(1);
4331 }
4332 }
4333
4334 machine_opts = qemu_get_machine_opts();
4335 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4336 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4337 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4338 bios_name = qemu_opt_get(machine_opts, "firmware");
4339
4340 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4341 if (opts) {
4342 Error *local_err = NULL;
4343
4344 boot_order = qemu_opt_get(opts, "order");
4345 if (boot_order) {
4346 validate_bootdevices(boot_order, &local_err);
4347 if (local_err) {
4348 error_report_err(local_err);
4349 exit(1);
4350 }
4351 }
4352
4353 boot_once = qemu_opt_get(opts, "once");
4354 if (boot_once) {
4355 validate_bootdevices(boot_once, &local_err);
4356 if (local_err) {
4357 error_report_err(local_err);
4358 exit(1);
4359 }
4360 }
4361
4362 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4363 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4364 }
4365
4366 if (!boot_order) {
4367 boot_order = machine_class->default_boot_order;
4368 }
4369
4370 if (!kernel_cmdline) {
4371 kernel_cmdline = "";
4372 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4373 }
4374
4375 linux_boot = (kernel_filename != NULL);
4376
4377 if (!linux_boot && *kernel_cmdline != '\0') {
4378 fprintf(stderr, "-append only allowed with -kernel option\n");
4379 exit(1);
4380 }
4381
4382 if (!linux_boot && initrd_filename != NULL) {
4383 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4384 exit(1);
4385 }
4386
4387 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4388 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4389 exit(1);
4390 }
4391
4392 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4393 /* fall back to the -kernel/-append */
4394 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4395 }
4396
4397 os_set_line_buffering();
4398
4399 #ifdef CONFIG_SPICE
4400 /* spice needs the timers to be initialized by this point */
4401 qemu_spice_init();
4402 #endif
4403
4404 cpu_ticks_init();
4405 if (icount_opts) {
4406 if (kvm_enabled() || xen_enabled()) {
4407 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4408 exit(1);
4409 }
4410 configure_icount(icount_opts, &error_abort);
4411 qemu_opts_del(icount_opts);
4412 }
4413
4414 /* clean up network at qemu process termination */
4415 atexit(&net_cleanup);
4416
4417 if (net_init_clients() < 0) {
4418 exit(1);
4419 }
4420
4421 #ifdef CONFIG_TPM
4422 if (tpm_init() < 0) {
4423 exit(1);
4424 }
4425 #endif
4426
4427 /* init the bluetooth world */
4428 if (foreach_device_config(DEV_BT, bt_parse))
4429 exit(1);
4430
4431 if (!xen_enabled()) {
4432 /* On 32-bit hosts, QEMU is limited by virtual address space */
4433 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4434 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4435 exit(1);
4436 }
4437 }
4438
4439 blk_mig_init();
4440 ram_mig_init();
4441
4442 /* If the currently selected machine wishes to override the units-per-bus
4443 * property of its default HBA interface type, do so now. */
4444 if (machine_class->units_per_default_bus) {
4445 override_max_devs(machine_class->block_default_type,
4446 machine_class->units_per_default_bus);
4447 }
4448
4449 /* open the virtual block devices */
4450 if (snapshot)
4451 qemu_opts_foreach(qemu_find_opts("drive"),
4452 drive_enable_snapshot, NULL, NULL);
4453 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4454 &machine_class->block_default_type, NULL)) {
4455 exit(1);
4456 }
4457
4458 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4459 CDROM_OPTS);
4460 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4461 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4462
4463 parse_numa_opts(machine_class);
4464
4465 if (qemu_opts_foreach(qemu_find_opts("mon"),
4466 mon_init_func, NULL, NULL)) {
4467 exit(1);
4468 }
4469
4470 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4471 exit(1);
4472 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4473 exit(1);
4474 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4475 exit(1);
4476 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4477 exit(1);
4478 }
4479 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4480 exit(1);
4481
4482 /* If no default VGA is requested, the default is "none". */
4483 if (default_vga) {
4484 if (machine_class->default_display) {
4485 vga_model = machine_class->default_display;
4486 } else if (cirrus_vga_available()) {
4487 vga_model = "cirrus";
4488 } else if (vga_available()) {
4489 vga_model = "std";
4490 }
4491 }
4492 if (vga_model) {
4493 select_vgahw(vga_model);
4494 }
4495
4496 if (watchdog) {
4497 i = select_watchdog(watchdog);
4498 if (i > 0)
4499 exit (i == 1 ? 1 : 0);
4500 }
4501
4502 if (machine_class->compat_props) {
4503 qdev_prop_register_global_list(machine_class->compat_props);
4504 }
4505 qemu_add_globals();
4506
4507 qdev_machine_init();
4508
4509 current_machine->ram_size = ram_size;
4510 current_machine->maxram_size = maxram_size;
4511 current_machine->ram_slots = ram_slots;
4512 current_machine->boot_order = boot_order;
4513 current_machine->cpu_model = cpu_model;
4514
4515 machine_class->init(current_machine);
4516
4517 realtime_init();
4518
4519 audio_init();
4520
4521 cpu_synchronize_all_post_init();
4522
4523 numa_post_machine_init();
4524
4525 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4526 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4527 exit(1);
4528 }
4529
4530 /* init USB devices */
4531 if (usb_enabled()) {
4532 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4533 exit(1);
4534 }
4535
4536 /* Check if IGD GFX passthrough. */
4537 igd_gfx_passthru();
4538
4539 /* init generic devices */
4540 if (qemu_opts_foreach(qemu_find_opts("device"),
4541 device_init_func, NULL, NULL)) {
4542 exit(1);
4543 }
4544
4545 /* Did we create any drives that we failed to create a device for? */
4546 drive_check_orphaned();
4547
4548 net_check_clients();
4549
4550 if (boot_once) {
4551 Error *local_err = NULL;
4552 qemu_boot_set(boot_once, &local_err);
4553 if (local_err) {
4554 error_report("%s", error_get_pretty(local_err));
4555 exit(1);
4556 }
4557 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4558 }
4559
4560 ds = init_displaystate();
4561
4562 /* init local displays */
4563 switch (display_type) {
4564 case DT_NOGRAPHIC:
4565 (void)ds; /* avoid warning if no display is configured */
4566 break;
4567 #if defined(CONFIG_CURSES)
4568 case DT_CURSES:
4569 curses_display_init(ds, full_screen);
4570 break;
4571 #endif
4572 #if defined(CONFIG_SDL)
4573 case DT_SDL:
4574 sdl_display_init(ds, full_screen, no_frame);
4575 break;
4576 #elif defined(CONFIG_COCOA)
4577 case DT_SDL:
4578 cocoa_display_init(ds, full_screen);
4579 break;
4580 #endif
4581 #if defined(CONFIG_GTK)
4582 case DT_GTK:
4583 gtk_display_init(ds, full_screen, grab_on_hover);
4584 break;
4585 #endif
4586 default:
4587 break;
4588 }
4589
4590 /* must be after terminal init, SDL library changes signal handlers */
4591 os_setup_signal_handling();
4592
4593 #ifdef CONFIG_VNC
4594 /* init remote displays */
4595 qemu_opts_foreach(qemu_find_opts("vnc"),
4596 vnc_init_func, NULL, NULL);
4597 if (show_vnc_port) {
4598 char *ret = vnc_display_local_addr("default");
4599 printf("VNC server running on `%s'\n", ret);
4600 g_free(ret);
4601 }
4602 #endif
4603 #ifdef CONFIG_SPICE
4604 if (using_spice) {
4605 qemu_spice_display_init();
4606 }
4607 #endif
4608
4609 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4610 exit(1);
4611 }
4612
4613 qdev_machine_creation_done();
4614
4615 /* TODO: once all bus devices are qdevified, this should be done
4616 * when bus is created by qdev.c */
4617 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4618 qemu_run_machine_init_done_notifiers();
4619
4620 if (rom_check_and_register_reset() != 0) {
4621 fprintf(stderr, "rom check and register reset failed\n");
4622 exit(1);
4623 }
4624
4625 qemu_system_reset(VMRESET_SILENT);
4626 register_global_state();
4627 if (loadvm) {
4628 if (load_vmstate(loadvm) < 0) {
4629 autostart = 0;
4630 }
4631 }
4632
4633 qdev_prop_check_globals();
4634 if (vmstate_dump_file) {
4635 /* dump and exit */
4636 dump_vmstate_json_to_file(vmstate_dump_file);
4637 return 0;
4638 }
4639
4640 if (incoming) {
4641 Error *local_err = NULL;
4642 qemu_start_incoming_migration(incoming, &local_err);
4643 if (local_err) {
4644 error_report("-incoming %s: %s", incoming,
4645 error_get_pretty(local_err));
4646 error_free(local_err);
4647 exit(1);
4648 }
4649 } else if (autostart) {
4650 vm_start();
4651 }
4652
4653 os_setup_post();
4654
4655 if (is_daemonized()) {
4656 if (!trace_init_backends(trace_events, trace_file)) {
4657 exit(1);
4658 }
4659 }
4660
4661 main_loop();
4662 bdrv_close_all();
4663 pause_all_vcpus();
4664 res_free();
4665 #ifdef CONFIG_TPM
4666 tpm_cleanup();
4667 #endif
4668
4669 return 0;
4670 }
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