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rcu: init rcu_registry_lock after fork
[qemu/ar7.git] / vl.c
blobc1508a658c8e77f139087fe50a68bf8a0e5d6406
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 if (boot_splash_filedata != NULL) {
538 g_free(boot_splash_filedata);
539 boot_splash_filedata = NULL;
540 }
541 }
542
543 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
544 {
545 const char *driver = qemu_opt_get(opts, "driver");
546 int i;
547
548 if (!driver)
549 return 0;
550 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
551 if (strcmp(default_list[i].driver, driver) != 0)
552 continue;
553 *(default_list[i].flag) = 0;
554 }
555 return 0;
556 }
557
558 /***********************************************************/
559 /* QEMU state */
560
561 static RunState current_run_state = RUN_STATE_PRELAUNCH;
562
563 /* We use RUN_STATE_MAX but any invalid value will do */
564 static RunState vmstop_requested = RUN_STATE_MAX;
565 static QemuMutex vmstop_lock;
566
567 typedef struct {
568 RunState from;
569 RunState to;
570 } RunStateTransition;
571
572 static const RunStateTransition runstate_transitions_def[] = {
573 /* from -> to */
574 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
575 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
578 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
579 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
582 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
584 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
585
586 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
587 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
590 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
593 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
596 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
599 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
604
605 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
606
607 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
608 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
609 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
610 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
611 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
613 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
614 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
615 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
616 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
617
618 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
619
620 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
621 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
624 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
625 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
626 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
629 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
632 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_MAX, RUN_STATE_MAX },
635 };
636
637 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
638
639 bool runstate_check(RunState state)
640 {
641 return current_run_state == state;
642 }
643
644 bool runstate_store(char *str, size_t size)
645 {
646 const char *state = RunState_lookup[current_run_state];
647 size_t len = strlen(state) + 1;
648
649 if (len > size) {
650 return false;
651 }
652 memcpy(str, state, len);
653 return true;
654 }
655
656 static void runstate_init(void)
657 {
658 const RunStateTransition *p;
659
660 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
661 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
662 runstate_valid_transitions[p->from][p->to] = true;
663 }
664
665 qemu_mutex_init(&vmstop_lock);
666 }
667
668 /* This function will abort() on invalid state transitions */
669 void runstate_set(RunState new_state)
670 {
671 assert(new_state < RUN_STATE_MAX);
672
673 if (!runstate_valid_transitions[current_run_state][new_state]) {
674 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
675 RunState_lookup[current_run_state],
676 RunState_lookup[new_state]);
677 abort();
678 }
679 trace_runstate_set(new_state);
680 current_run_state = new_state;
681 }
682
683 int runstate_is_running(void)
684 {
685 return runstate_check(RUN_STATE_RUNNING);
686 }
687
688 bool runstate_needs_reset(void)
689 {
690 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
691 runstate_check(RUN_STATE_SHUTDOWN);
692 }
693
694 StatusInfo *qmp_query_status(Error **errp)
695 {
696 StatusInfo *info = g_malloc0(sizeof(*info));
697
698 info->running = runstate_is_running();
699 info->singlestep = singlestep;
700 info->status = current_run_state;
701
702 return info;
703 }
704
705 static bool qemu_vmstop_requested(RunState *r)
706 {
707 qemu_mutex_lock(&vmstop_lock);
708 *r = vmstop_requested;
709 vmstop_requested = RUN_STATE_MAX;
710 qemu_mutex_unlock(&vmstop_lock);
711 return *r < RUN_STATE_MAX;
712 }
713
714 void qemu_system_vmstop_request_prepare(void)
715 {
716 qemu_mutex_lock(&vmstop_lock);
717 }
718
719 void qemu_system_vmstop_request(RunState state)
720 {
721 vmstop_requested = state;
722 qemu_mutex_unlock(&vmstop_lock);
723 qemu_notify_event();
724 }
725
726 void vm_start(void)
727 {
728 RunState requested;
729
730 qemu_vmstop_requested(&requested);
731 if (runstate_is_running() && requested == RUN_STATE_MAX) {
732 return;
733 }
734
735 /* Ensure that a STOP/RESUME pair of events is emitted if a
736 * vmstop request was pending. The BLOCK_IO_ERROR event, for
737 * example, according to documentation is always followed by
738 * the STOP event.
739 */
740 if (runstate_is_running()) {
741 qapi_event_send_stop(&error_abort);
742 } else {
743 cpu_enable_ticks();
744 runstate_set(RUN_STATE_RUNNING);
745 vm_state_notify(1, RUN_STATE_RUNNING);
746 resume_all_vcpus();
747 }
748
749 qapi_event_send_resume(&error_abort);
750 }
751
752
753 /***********************************************************/
754 /* real time host monotonic timer */
755
756 static time_t qemu_time(void)
757 {
758 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
759 }
760
761 /***********************************************************/
762 /* host time/date access */
763 void qemu_get_timedate(struct tm *tm, int offset)
764 {
765 time_t ti = qemu_time();
766
767 ti += offset;
768 if (rtc_date_offset == -1) {
769 if (rtc_utc)
770 gmtime_r(&ti, tm);
771 else
772 localtime_r(&ti, tm);
773 } else {
774 ti -= rtc_date_offset;
775 gmtime_r(&ti, tm);
776 }
777 }
778
779 int qemu_timedate_diff(struct tm *tm)
780 {
781 time_t seconds;
782
783 if (rtc_date_offset == -1)
784 if (rtc_utc)
785 seconds = mktimegm(tm);
786 else {
787 struct tm tmp = *tm;
788 tmp.tm_isdst = -1; /* use timezone to figure it out */
789 seconds = mktime(&tmp);
790 }
791 else
792 seconds = mktimegm(tm) + rtc_date_offset;
793
794 return seconds - qemu_time();
795 }
796
797 static void configure_rtc_date_offset(const char *startdate, int legacy)
798 {
799 time_t rtc_start_date;
800 struct tm tm;
801
802 if (!strcmp(startdate, "now") && legacy) {
803 rtc_date_offset = -1;
804 } else {
805 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
806 &tm.tm_year,
807 &tm.tm_mon,
808 &tm.tm_mday,
809 &tm.tm_hour,
810 &tm.tm_min,
811 &tm.tm_sec) == 6) {
812 /* OK */
813 } else if (sscanf(startdate, "%d-%d-%d",
814 &tm.tm_year,
815 &tm.tm_mon,
816 &tm.tm_mday) == 3) {
817 tm.tm_hour = 0;
818 tm.tm_min = 0;
819 tm.tm_sec = 0;
820 } else {
821 goto date_fail;
822 }
823 tm.tm_year -= 1900;
824 tm.tm_mon--;
825 rtc_start_date = mktimegm(&tm);
826 if (rtc_start_date == -1) {
827 date_fail:
828 fprintf(stderr, "Invalid date format. Valid formats are:\n"
829 "'2006-06-17T16:01:21' or '2006-06-17'\n");
830 exit(1);
831 }
832 rtc_date_offset = qemu_time() - rtc_start_date;
833 }
834 }
835
836 static void configure_rtc(QemuOpts *opts)
837 {
838 const char *value;
839
840 value = qemu_opt_get(opts, "base");
841 if (value) {
842 if (!strcmp(value, "utc")) {
843 rtc_utc = 1;
844 } else if (!strcmp(value, "localtime")) {
845 rtc_utc = 0;
846 } else {
847 configure_rtc_date_offset(value, 0);
848 }
849 }
850 value = qemu_opt_get(opts, "clock");
851 if (value) {
852 if (!strcmp(value, "host")) {
853 rtc_clock = QEMU_CLOCK_HOST;
854 } else if (!strcmp(value, "rt")) {
855 rtc_clock = QEMU_CLOCK_REALTIME;
856 } else if (!strcmp(value, "vm")) {
857 rtc_clock = QEMU_CLOCK_VIRTUAL;
858 } else {
859 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
860 exit(1);
861 }
862 }
863 value = qemu_opt_get(opts, "driftfix");
864 if (value) {
865 if (!strcmp(value, "slew")) {
866 static GlobalProperty slew_lost_ticks[] = {
867 {
868 .driver = "mc146818rtc",
869 .property = "lost_tick_policy",
870 .value = "slew",
871 },
872 { /* end of list */ }
873 };
874
875 qdev_prop_register_global_list(slew_lost_ticks);
876 } else if (!strcmp(value, "none")) {
877 /* discard is default */
878 } else {
879 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
880 exit(1);
881 }
882 }
883 }
884
885 /***********************************************************/
886 /* Bluetooth support */
887 static int nb_hcis;
888 static int cur_hci;
889 static struct HCIInfo *hci_table[MAX_NICS];
890
891 struct HCIInfo *qemu_next_hci(void)
892 {
893 if (cur_hci == nb_hcis)
894 return &null_hci;
895
896 return hci_table[cur_hci++];
897 }
898
899 static int bt_hci_parse(const char *str)
900 {
901 struct HCIInfo *hci;
902 bdaddr_t bdaddr;
903
904 if (nb_hcis >= MAX_NICS) {
905 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
906 return -1;
907 }
908
909 hci = hci_init(str);
910 if (!hci)
911 return -1;
912
913 bdaddr.b[0] = 0x52;
914 bdaddr.b[1] = 0x54;
915 bdaddr.b[2] = 0x00;
916 bdaddr.b[3] = 0x12;
917 bdaddr.b[4] = 0x34;
918 bdaddr.b[5] = 0x56 + nb_hcis;
919 hci->bdaddr_set(hci, bdaddr.b);
920
921 hci_table[nb_hcis++] = hci;
922
923 return 0;
924 }
925
926 static void bt_vhci_add(int vlan_id)
927 {
928 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
929
930 if (!vlan->slave)
931 fprintf(stderr, "qemu: warning: adding a VHCI to "
932 "an empty scatternet %i\n", vlan_id);
933
934 bt_vhci_init(bt_new_hci(vlan));
935 }
936
937 static struct bt_device_s *bt_device_add(const char *opt)
938 {
939 struct bt_scatternet_s *vlan;
940 int vlan_id = 0;
941 char *endp = strstr(opt, ",vlan=");
942 int len = (endp ? endp - opt : strlen(opt)) + 1;
943 char devname[10];
944
945 pstrcpy(devname, MIN(sizeof(devname), len), opt);
946
947 if (endp) {
948 vlan_id = strtol(endp + 6, &endp, 0);
949 if (*endp) {
950 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
951 return 0;
952 }
953 }
954
955 vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 fprintf(stderr, "qemu: warning: adding a slave device to "
959 "an empty scatternet %i\n", vlan_id);
960
961 if (!strcmp(devname, "keyboard"))
962 return bt_keyboard_init(vlan);
963
964 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
965 return 0;
966 }
967
968 static int bt_parse(const char *opt)
969 {
970 const char *endp, *p;
971 int vlan;
972
973 if (strstart(opt, "hci", &endp)) {
974 if (!*endp || *endp == ',') {
975 if (*endp)
976 if (!strstart(endp, ",vlan=", 0))
977 opt = endp + 1;
978
979 return bt_hci_parse(opt);
980 }
981 } else if (strstart(opt, "vhci", &endp)) {
982 if (!*endp || *endp == ',') {
983 if (*endp) {
984 if (strstart(endp, ",vlan=", &p)) {
985 vlan = strtol(p, (char **) &endp, 0);
986 if (*endp) {
987 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
988 return 1;
989 }
990 } else {
991 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
992 return 1;
993 }
994 } else
995 vlan = 0;
996
997 bt_vhci_add(vlan);
998 return 0;
999 }
1000 } else if (strstart(opt, "device:", &endp))
1001 return !bt_device_add(endp);
1002
1003 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1004 return 1;
1005 }
1006
1007 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1008 {
1009 /* FIXME: change this to true for 1.3 */
1010 if (qemu_opt_get_bool(opts, "enable", false)) {
1011 #ifdef CONFIG_SECCOMP
1012 if (seccomp_start() < 0) {
1013 error_report("failed to install seccomp syscall filter "
1014 "in the kernel");
1015 return -1;
1016 }
1017 #else
1018 error_report("sandboxing request but seccomp is not compiled "
1019 "into this build");
1020 return -1;
1021 #endif
1022 }
1023
1024 return 0;
1025 }
1026
1027 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 {
1029 const char *proc_name;
1030
1031 if (qemu_opt_get(opts, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 }
1034 qemu_name = qemu_opt_get(opts, "guest");
1035
1036 proc_name = qemu_opt_get(opts, "process");
1037 if (proc_name) {
1038 os_set_proc_name(proc_name);
1039 }
1040
1041 return 0;
1042 }
1043
1044 bool defaults_enabled(void)
1045 {
1046 return has_defaults;
1047 }
1048
1049 bool usb_enabled(void)
1050 {
1051 return machine_usb(current_machine);
1052 }
1053
1054 #ifndef _WIN32
1055 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1056 {
1057 int fd, dupfd, flags;
1058 int64_t fdset_id;
1059 const char *fd_opaque = NULL;
1060 AddfdInfo *fdinfo;
1061
1062 fd = qemu_opt_get_number(opts, "fd", -1);
1063 fdset_id = qemu_opt_get_number(opts, "set", -1);
1064 fd_opaque = qemu_opt_get(opts, "opaque");
1065
1066 if (fd < 0) {
1067 error_report("fd option is required and must be non-negative");
1068 return -1;
1069 }
1070
1071 if (fd <= STDERR_FILENO) {
1072 error_report("fd cannot be a standard I/O stream");
1073 return -1;
1074 }
1075
1076 /*
1077 * All fds inherited across exec() necessarily have FD_CLOEXEC
1078 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1079 */
1080 flags = fcntl(fd, F_GETFD);
1081 if (flags == -1 || (flags & FD_CLOEXEC)) {
1082 error_report("fd is not valid or already in use");
1083 return -1;
1084 }
1085
1086 if (fdset_id < 0) {
1087 error_report("set option is required and must be non-negative");
1088 return -1;
1089 }
1090
1091 #ifdef F_DUPFD_CLOEXEC
1092 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1093 #else
1094 dupfd = dup(fd);
1095 if (dupfd != -1) {
1096 qemu_set_cloexec(dupfd);
1097 }
1098 #endif
1099 if (dupfd == -1) {
1100 error_report("Error duplicating fd: %s", strerror(errno));
1101 return -1;
1102 }
1103
1104 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1105 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1106 &error_abort);
1107 g_free(fdinfo);
1108
1109 return 0;
1110 }
1111
1112 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1113 {
1114 int fd;
1115
1116 fd = qemu_opt_get_number(opts, "fd", -1);
1117 close(fd);
1118
1119 return 0;
1120 }
1121 #endif
1122
1123 /***********************************************************/
1124 /* QEMU Block devices */
1125
1126 #define HD_OPTS "media=disk"
1127 #define CDROM_OPTS "media=cdrom"
1128 #define FD_OPTS ""
1129 #define PFLASH_OPTS ""
1130 #define MTD_OPTS ""
1131 #define SD_OPTS ""
1132
1133 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 BlockInterfaceType *block_default_type = opaque;
1136
1137 return drive_new(opts, *block_default_type) == NULL;
1138 }
1139
1140 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1141 {
1142 if (qemu_opt_get(opts, "snapshot") == NULL) {
1143 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1144 }
1145 return 0;
1146 }
1147
1148 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1149 int index, const char *optstr)
1150 {
1151 QemuOpts *opts;
1152 DriveInfo *dinfo;
1153
1154 if (!enable || drive_get_by_index(type, index)) {
1155 return;
1156 }
1157
1158 opts = drive_add(type, index, NULL, optstr);
1159 if (snapshot) {
1160 drive_enable_snapshot(NULL, opts, NULL);
1161 }
1162
1163 dinfo = drive_new(opts, type);
1164 if (!dinfo) {
1165 exit(1);
1166 }
1167 dinfo->is_default = true;
1168
1169 }
1170
1171 static QemuOptsList qemu_smp_opts = {
1172 .name = "smp-opts",
1173 .implied_opt_name = "cpus",
1174 .merge_lists = true,
1175 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1176 .desc = {
1177 {
1178 .name = "cpus",
1179 .type = QEMU_OPT_NUMBER,
1180 }, {
1181 .name = "sockets",
1182 .type = QEMU_OPT_NUMBER,
1183 }, {
1184 .name = "cores",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "threads",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "maxcpus",
1191 .type = QEMU_OPT_NUMBER,
1192 },
1193 { /*End of list */ }
1194 },
1195 };
1196
1197 static void smp_parse(QemuOpts *opts)
1198 {
1199 if (opts) {
1200
1201 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1202 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1203 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1204 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1205
1206 /* compute missing values, prefer sockets over cores over threads */
1207 if (cpus == 0 || sockets == 0) {
1208 sockets = sockets > 0 ? sockets : 1;
1209 cores = cores > 0 ? cores : 1;
1210 threads = threads > 0 ? threads : 1;
1211 if (cpus == 0) {
1212 cpus = cores * threads * sockets;
1213 }
1214 } else if (cores == 0) {
1215 threads = threads > 0 ? threads : 1;
1216 cores = cpus / (sockets * threads);
1217 } else if (threads == 0) {
1218 threads = cpus / (cores * sockets);
1219 } else if (sockets * cores * threads < cpus) {
1220 fprintf(stderr, "cpu topology: error: "
1221 "sockets (%u) * cores (%u) * threads (%u) < "
1222 "smp_cpus (%u)\n",
1223 sockets, cores, threads, cpus);
1224 exit(1);
1225 }
1226
1227 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1228
1229 smp_cpus = cpus;
1230 smp_cores = cores > 0 ? cores : 1;
1231 smp_threads = threads > 0 ? threads : 1;
1232
1233 }
1234
1235 if (max_cpus == 0) {
1236 max_cpus = smp_cpus;
1237 }
1238
1239 if (max_cpus > MAX_CPUMASK_BITS) {
1240 fprintf(stderr, "Unsupported number of maxcpus\n");
1241 exit(1);
1242 }
1243 if (max_cpus < smp_cpus) {
1244 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1245 exit(1);
1246 }
1247
1248 }
1249
1250 static void realtime_init(void)
1251 {
1252 if (enable_mlock) {
1253 if (os_mlock() < 0) {
1254 fprintf(stderr, "qemu: locking memory failed\n");
1255 exit(1);
1256 }
1257 }
1258 }
1259
1260
1261 static void configure_msg(QemuOpts *opts)
1262 {
1263 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 }
1265
1266 /***********************************************************/
1267 /* Semihosting */
1268
1269 typedef struct SemihostingConfig {
1270 bool enabled;
1271 SemihostingTarget target;
1272 const char **argv;
1273 int argc;
1274 const char *cmdline; /* concatenated argv */
1275 } SemihostingConfig;
1276
1277 static SemihostingConfig semihosting;
1278
1279 bool semihosting_enabled(void)
1280 {
1281 return semihosting.enabled;
1282 }
1283
1284 SemihostingTarget semihosting_get_target(void)
1285 {
1286 return semihosting.target;
1287 }
1288
1289 const char *semihosting_get_arg(int i)
1290 {
1291 if (i >= semihosting.argc) {
1292 return NULL;
1293 }
1294 return semihosting.argv[i];
1295 }
1296
1297 int semihosting_get_argc(void)
1298 {
1299 return semihosting.argc;
1300 }
1301
1302 const char *semihosting_get_cmdline(void)
1303 {
1304 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1305 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 }
1307 return semihosting.cmdline;
1308 }
1309
1310 static int add_semihosting_arg(void *opaque,
1311 const char *name, const char *val,
1312 Error **errp)
1313 {
1314 SemihostingConfig *s = opaque;
1315 if (strcmp(name, "arg") == 0) {
1316 s->argc++;
1317 /* one extra element as g_strjoinv() expects NULL-terminated array */
1318 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1319 s->argv[s->argc - 1] = val;
1320 s->argv[s->argc] = NULL;
1321 }
1322 return 0;
1323 }
1324
1325 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1326 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1327 {
1328 char *cmd_token;
1329
1330 /* argv[0] */
1331 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332
1333 /* split -append and initialize argv[1..n] */
1334 cmd_token = strtok(g_strdup(cmd), " ");
1335 while (cmd_token) {
1336 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1337 cmd_token = strtok(NULL, " ");
1338 }
1339 }
1340
1341 /***********************************************************/
1342 /* USB devices */
1343
1344 static int usb_device_add(const char *devname)
1345 {
1346 USBDevice *dev = NULL;
1347 #ifndef CONFIG_LINUX
1348 const char *p;
1349 #endif
1350
1351 if (!usb_enabled()) {
1352 return -1;
1353 }
1354
1355 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1356 dev = usbdevice_create(devname);
1357 if (dev)
1358 goto done;
1359
1360 /* the other ones */
1361 #ifndef CONFIG_LINUX
1362 /* only the linux version is qdev-ified, usb-bsd still needs this */
1363 if (strstart(devname, "host:", &p)) {
1364 dev = usb_host_device_open(usb_bus_find(-1), p);
1365 }
1366 #endif
1367 if (!dev)
1368 return -1;
1369
1370 done:
1371 return 0;
1372 }
1373
1374 static int usb_device_del(const char *devname)
1375 {
1376 int bus_num, addr;
1377 const char *p;
1378
1379 if (strstart(devname, "host:", &p)) {
1380 return -1;
1381 }
1382
1383 if (!usb_enabled()) {
1384 return -1;
1385 }
1386
1387 p = strchr(devname, '.');
1388 if (!p)
1389 return -1;
1390 bus_num = strtoul(devname, NULL, 0);
1391 addr = strtoul(p + 1, NULL, 0);
1392
1393 return usb_device_delete_addr(bus_num, addr);
1394 }
1395
1396 static int usb_parse(const char *cmdline)
1397 {
1398 int r;
1399 r = usb_device_add(cmdline);
1400 if (r < 0) {
1401 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1402 }
1403 return r;
1404 }
1405
1406 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1407 {
1408 const char *devname = qdict_get_str(qdict, "devname");
1409 if (usb_device_add(devname) < 0) {
1410 error_report("could not add USB device '%s'", devname);
1411 }
1412 }
1413
1414 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1415 {
1416 const char *devname = qdict_get_str(qdict, "devname");
1417 if (usb_device_del(devname) < 0) {
1418 error_report("could not delete USB device '%s'", devname);
1419 }
1420 }
1421
1422 /***********************************************************/
1423 /* machine registration */
1424
1425 MachineState *current_machine;
1426
1427 /*
1428 * Transitional class registration/init used for converting from
1429 * legacy QEMUMachine to MachineClass.
1430 */
1431 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1432 {
1433 MachineClass *mc = MACHINE_CLASS(oc);
1434 QEMUMachine *qm = data;
1435 mc->name = qm->name;
1436 mc->desc = qm->desc;
1437 mc->init = qm->init;
1438 mc->kvm_type = qm->kvm_type;
1439 mc->block_default_type = qm->block_default_type;
1440 mc->max_cpus = qm->max_cpus;
1441 mc->no_sdcard = qm->no_sdcard;
1442 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1443 mc->is_default = qm->is_default;
1444 mc->default_machine_opts = qm->default_machine_opts;
1445 mc->default_boot_order = qm->default_boot_order;
1446 }
1447
1448 int qemu_register_machine(QEMUMachine *m)
1449 {
1450 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1451 TypeInfo ti = {
1452 .name = name,
1453 .parent = TYPE_MACHINE,
1454 .class_init = qemu_machine_class_init,
1455 .class_data = (void *)m,
1456 };
1457
1458 type_register(&ti);
1459 g_free(name);
1460
1461 return 0;
1462 }
1463
1464 static MachineClass *find_machine(const char *name)
1465 {
1466 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1467 MachineClass *mc = NULL;
1468
1469 for (el = machines; el; el = el->next) {
1470 MachineClass *temp = el->data;
1471
1472 if (!strcmp(temp->name, name)) {
1473 mc = temp;
1474 break;
1475 }
1476 if (temp->alias &&
1477 !strcmp(temp->alias, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 }
1482
1483 g_slist_free(machines);
1484 return mc;
1485 }
1486
1487 MachineClass *find_default_machine(void)
1488 {
1489 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1490 MachineClass *mc = NULL;
1491
1492 for (el = machines; el; el = el->next) {
1493 MachineClass *temp = el->data;
1494
1495 if (temp->is_default) {
1496 mc = temp;
1497 break;
1498 }
1499 }
1500
1501 g_slist_free(machines);
1502 return mc;
1503 }
1504
1505 MachineInfoList *qmp_query_machines(Error **errp)
1506 {
1507 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1508 MachineInfoList *mach_list = NULL;
1509
1510 for (el = machines; el; el = el->next) {
1511 MachineClass *mc = el->data;
1512 MachineInfoList *entry;
1513 MachineInfo *info;
1514
1515 info = g_malloc0(sizeof(*info));
1516 if (mc->is_default) {
1517 info->has_is_default = true;
1518 info->is_default = true;
1519 }
1520
1521 if (mc->alias) {
1522 info->has_alias = true;
1523 info->alias = g_strdup(mc->alias);
1524 }
1525
1526 info->name = g_strdup(mc->name);
1527 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1528
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1532 mach_list = entry;
1533 }
1534
1535 g_slist_free(machines);
1536 return mach_list;
1537 }
1538
1539 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1540 {
1541 ObjectProperty *prop;
1542
1543 if (!qemu_opt_has_help_opt(opts)) {
1544 return 0;
1545 }
1546
1547 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1548 if (!prop->set) {
1549 continue;
1550 }
1551
1552 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1553 prop->name, prop->type);
1554 if (prop->description) {
1555 error_printf(" (%s)\n", prop->description);
1556 } else {
1557 error_printf("\n");
1558 }
1559 }
1560
1561 return 1;
1562 }
1563
1564 /***********************************************************/
1565 /* main execution loop */
1566
1567 struct vm_change_state_entry {
1568 VMChangeStateHandler *cb;
1569 void *opaque;
1570 QLIST_ENTRY (vm_change_state_entry) entries;
1571 };
1572
1573 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1574
1575 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1576 void *opaque)
1577 {
1578 VMChangeStateEntry *e;
1579
1580 e = g_malloc0(sizeof (*e));
1581
1582 e->cb = cb;
1583 e->opaque = opaque;
1584 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1585 return e;
1586 }
1587
1588 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1589 {
1590 QLIST_REMOVE (e, entries);
1591 g_free (e);
1592 }
1593
1594 void vm_state_notify(int running, RunState state)
1595 {
1596 VMChangeStateEntry *e, *next;
1597
1598 trace_vm_state_notify(running, state);
1599
1600 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1601 e->cb(e->opaque, running, state);
1602 }
1603 }
1604
1605 /* reset/shutdown handler */
1606
1607 typedef struct QEMUResetEntry {
1608 QTAILQ_ENTRY(QEMUResetEntry) entry;
1609 QEMUResetHandler *func;
1610 void *opaque;
1611 } QEMUResetEntry;
1612
1613 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1614 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1615 static int reset_requested;
1616 static int shutdown_requested, shutdown_signal = -1;
1617 static pid_t shutdown_pid;
1618 static int powerdown_requested;
1619 static int debug_requested;
1620 static int suspend_requested;
1621 static WakeupReason wakeup_reason;
1622 static NotifierList powerdown_notifiers =
1623 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1624 static NotifierList suspend_notifiers =
1625 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1626 static NotifierList wakeup_notifiers =
1627 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1628 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1629
1630 int qemu_shutdown_requested_get(void)
1631 {
1632 return shutdown_requested;
1633 }
1634
1635 int qemu_reset_requested_get(void)
1636 {
1637 return reset_requested;
1638 }
1639
1640 static int qemu_shutdown_requested(void)
1641 {
1642 return atomic_xchg(&shutdown_requested, 0);
1643 }
1644
1645 static void qemu_kill_report(void)
1646 {
1647 if (!qtest_driver() && shutdown_signal != -1) {
1648 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1649 if (shutdown_pid == 0) {
1650 /* This happens for eg ^C at the terminal, so it's worth
1651 * avoiding printing an odd message in that case.
1652 */
1653 fputc('\n', stderr);
1654 } else {
1655 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1656 }
1657 shutdown_signal = -1;
1658 }
1659 }
1660
1661 static int qemu_reset_requested(void)
1662 {
1663 int r = reset_requested;
1664 reset_requested = 0;
1665 return r;
1666 }
1667
1668 static int qemu_suspend_requested(void)
1669 {
1670 int r = suspend_requested;
1671 suspend_requested = 0;
1672 return r;
1673 }
1674
1675 static WakeupReason qemu_wakeup_requested(void)
1676 {
1677 return wakeup_reason;
1678 }
1679
1680 static int qemu_powerdown_requested(void)
1681 {
1682 int r = powerdown_requested;
1683 powerdown_requested = 0;
1684 return r;
1685 }
1686
1687 static int qemu_debug_requested(void)
1688 {
1689 int r = debug_requested;
1690 debug_requested = 0;
1691 return r;
1692 }
1693
1694 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1695 {
1696 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1697
1698 re->func = func;
1699 re->opaque = opaque;
1700 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1701 }
1702
1703 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1704 {
1705 QEMUResetEntry *re;
1706
1707 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1708 if (re->func == func && re->opaque == opaque) {
1709 QTAILQ_REMOVE(&reset_handlers, re, entry);
1710 g_free(re);
1711 return;
1712 }
1713 }
1714 }
1715
1716 void qemu_devices_reset(void)
1717 {
1718 QEMUResetEntry *re, *nre;
1719
1720 /* reset all devices */
1721 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1722 re->func(re->opaque);
1723 }
1724 }
1725
1726 void qemu_system_reset(bool report)
1727 {
1728 MachineClass *mc;
1729
1730 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1731
1732 if (mc && mc->reset) {
1733 mc->reset();
1734 } else {
1735 qemu_devices_reset();
1736 }
1737 if (report) {
1738 qapi_event_send_reset(&error_abort);
1739 }
1740 cpu_synchronize_all_post_reset();
1741 }
1742
1743 void qemu_system_guest_panicked(void)
1744 {
1745 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1746 vm_stop(RUN_STATE_GUEST_PANICKED);
1747 }
1748
1749 void qemu_system_reset_request(void)
1750 {
1751 if (no_reboot) {
1752 shutdown_requested = 1;
1753 } else {
1754 reset_requested = 1;
1755 }
1756 cpu_stop_current();
1757 qemu_notify_event();
1758 }
1759
1760 static void qemu_system_suspend(void)
1761 {
1762 pause_all_vcpus();
1763 notifier_list_notify(&suspend_notifiers, NULL);
1764 runstate_set(RUN_STATE_SUSPENDED);
1765 qapi_event_send_suspend(&error_abort);
1766 }
1767
1768 void qemu_system_suspend_request(void)
1769 {
1770 if (runstate_check(RUN_STATE_SUSPENDED)) {
1771 return;
1772 }
1773 suspend_requested = 1;
1774 cpu_stop_current();
1775 qemu_notify_event();
1776 }
1777
1778 void qemu_register_suspend_notifier(Notifier *notifier)
1779 {
1780 notifier_list_add(&suspend_notifiers, notifier);
1781 }
1782
1783 void qemu_system_wakeup_request(WakeupReason reason)
1784 {
1785 trace_system_wakeup_request(reason);
1786
1787 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1788 return;
1789 }
1790 if (!(wakeup_reason_mask & (1 << reason))) {
1791 return;
1792 }
1793 runstate_set(RUN_STATE_RUNNING);
1794 wakeup_reason = reason;
1795 qemu_notify_event();
1796 }
1797
1798 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1799 {
1800 if (enabled) {
1801 wakeup_reason_mask |= (1 << reason);
1802 } else {
1803 wakeup_reason_mask &= ~(1 << reason);
1804 }
1805 }
1806
1807 void qemu_register_wakeup_notifier(Notifier *notifier)
1808 {
1809 notifier_list_add(&wakeup_notifiers, notifier);
1810 }
1811
1812 void qemu_system_killed(int signal, pid_t pid)
1813 {
1814 shutdown_signal = signal;
1815 shutdown_pid = pid;
1816 no_shutdown = 0;
1817 qemu_system_shutdown_request();
1818 }
1819
1820 void qemu_system_shutdown_request(void)
1821 {
1822 trace_qemu_system_shutdown_request();
1823 shutdown_requested = 1;
1824 qemu_notify_event();
1825 }
1826
1827 static void qemu_system_powerdown(void)
1828 {
1829 qapi_event_send_powerdown(&error_abort);
1830 notifier_list_notify(&powerdown_notifiers, NULL);
1831 }
1832
1833 void qemu_system_powerdown_request(void)
1834 {
1835 trace_qemu_system_powerdown_request();
1836 powerdown_requested = 1;
1837 qemu_notify_event();
1838 }
1839
1840 void qemu_register_powerdown_notifier(Notifier *notifier)
1841 {
1842 notifier_list_add(&powerdown_notifiers, notifier);
1843 }
1844
1845 void qemu_system_debug_request(void)
1846 {
1847 debug_requested = 1;
1848 qemu_notify_event();
1849 }
1850
1851 static bool main_loop_should_exit(void)
1852 {
1853 RunState r;
1854 if (qemu_debug_requested()) {
1855 vm_stop(RUN_STATE_DEBUG);
1856 }
1857 if (qemu_suspend_requested()) {
1858 qemu_system_suspend();
1859 }
1860 if (qemu_shutdown_requested()) {
1861 qemu_kill_report();
1862 qapi_event_send_shutdown(&error_abort);
1863 if (no_shutdown) {
1864 vm_stop(RUN_STATE_SHUTDOWN);
1865 } else {
1866 return true;
1867 }
1868 }
1869 if (qemu_reset_requested()) {
1870 pause_all_vcpus();
1871 cpu_synchronize_all_states();
1872 qemu_system_reset(VMRESET_REPORT);
1873 resume_all_vcpus();
1874 if (runstate_needs_reset()) {
1875 runstate_set(RUN_STATE_PAUSED);
1876 }
1877 }
1878 if (qemu_wakeup_requested()) {
1879 pause_all_vcpus();
1880 cpu_synchronize_all_states();
1881 qemu_system_reset(VMRESET_SILENT);
1882 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1883 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1884 resume_all_vcpus();
1885 qapi_event_send_wakeup(&error_abort);
1886 }
1887 if (qemu_powerdown_requested()) {
1888 qemu_system_powerdown();
1889 }
1890 if (qemu_vmstop_requested(&r)) {
1891 vm_stop(r);
1892 }
1893 return false;
1894 }
1895
1896 static void main_loop(void)
1897 {
1898 bool nonblocking;
1899 int last_io = 0;
1900 #ifdef CONFIG_PROFILER
1901 int64_t ti;
1902 #endif
1903 do {
1904 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1905 #ifdef CONFIG_PROFILER
1906 ti = profile_getclock();
1907 #endif
1908 last_io = main_loop_wait(nonblocking);
1909 #ifdef CONFIG_PROFILER
1910 dev_time += profile_getclock() - ti;
1911 #endif
1912 } while (!main_loop_should_exit());
1913 }
1914
1915 static void version(void)
1916 {
1917 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1918 }
1919
1920 static void help(int exitcode)
1921 {
1922 version();
1923 printf("usage: %s [options] [disk_image]\n\n"
1924 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1925 error_get_progname());
1926
1927 #define QEMU_OPTIONS_GENERATE_HELP
1928 #include "qemu-options-wrapper.h"
1929
1930 printf("\nDuring emulation, the following keys are useful:\n"
1931 "ctrl-alt-f toggle full screen\n"
1932 "ctrl-alt-n switch to virtual console 'n'\n"
1933 "ctrl-alt toggle mouse and keyboard grab\n"
1934 "\n"
1935 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1936
1937 exit(exitcode);
1938 }
1939
1940 #define HAS_ARG 0x0001
1941
1942 typedef struct QEMUOption {
1943 const char *name;
1944 int flags;
1945 int index;
1946 uint32_t arch_mask;
1947 } QEMUOption;
1948
1949 static const QEMUOption qemu_options[] = {
1950 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1951 #define QEMU_OPTIONS_GENERATE_OPTIONS
1952 #include "qemu-options-wrapper.h"
1953 { NULL },
1954 };
1955
1956 static bool vga_available(void)
1957 {
1958 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1959 }
1960
1961 static bool cirrus_vga_available(void)
1962 {
1963 return object_class_by_name("cirrus-vga")
1964 || object_class_by_name("isa-cirrus-vga");
1965 }
1966
1967 static bool vmware_vga_available(void)
1968 {
1969 return object_class_by_name("vmware-svga");
1970 }
1971
1972 static bool qxl_vga_available(void)
1973 {
1974 return object_class_by_name("qxl-vga");
1975 }
1976
1977 static bool tcx_vga_available(void)
1978 {
1979 return object_class_by_name("SUNW,tcx");
1980 }
1981
1982 static bool cg3_vga_available(void)
1983 {
1984 return object_class_by_name("cgthree");
1985 }
1986
1987 static bool virtio_vga_available(void)
1988 {
1989 return object_class_by_name("virtio-vga");
1990 }
1991
1992 static void select_vgahw (const char *p)
1993 {
1994 const char *opts;
1995
1996 assert(vga_interface_type == VGA_NONE);
1997 if (strstart(p, "std", &opts)) {
1998 if (vga_available()) {
1999 vga_interface_type = VGA_STD;
2000 } else {
2001 fprintf(stderr, "Error: standard VGA not available\n");
2002 exit(0);
2003 }
2004 } else if (strstart(p, "cirrus", &opts)) {
2005 if (cirrus_vga_available()) {
2006 vga_interface_type = VGA_CIRRUS;
2007 } else {
2008 fprintf(stderr, "Error: Cirrus VGA not available\n");
2009 exit(0);
2010 }
2011 } else if (strstart(p, "vmware", &opts)) {
2012 if (vmware_vga_available()) {
2013 vga_interface_type = VGA_VMWARE;
2014 } else {
2015 fprintf(stderr, "Error: VMWare SVGA not available\n");
2016 exit(0);
2017 }
2018 } else if (strstart(p, "virtio", &opts)) {
2019 if (virtio_vga_available()) {
2020 vga_interface_type = VGA_VIRTIO;
2021 } else {
2022 fprintf(stderr, "Error: Virtio VGA not available\n");
2023 exit(0);
2024 }
2025 } else if (strstart(p, "xenfb", &opts)) {
2026 vga_interface_type = VGA_XENFB;
2027 } else if (strstart(p, "qxl", &opts)) {
2028 if (qxl_vga_available()) {
2029 vga_interface_type = VGA_QXL;
2030 } else {
2031 fprintf(stderr, "Error: QXL VGA not available\n");
2032 exit(0);
2033 }
2034 } else if (strstart(p, "tcx", &opts)) {
2035 if (tcx_vga_available()) {
2036 vga_interface_type = VGA_TCX;
2037 } else {
2038 fprintf(stderr, "Error: TCX framebuffer not available\n");
2039 exit(0);
2040 }
2041 } else if (strstart(p, "cg3", &opts)) {
2042 if (cg3_vga_available()) {
2043 vga_interface_type = VGA_CG3;
2044 } else {
2045 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2046 exit(0);
2047 }
2048 } else if (!strstart(p, "none", &opts)) {
2049 invalid_vga:
2050 fprintf(stderr, "Unknown vga type: %s\n", p);
2051 exit(1);
2052 }
2053 while (*opts) {
2054 const char *nextopt;
2055
2056 if (strstart(opts, ",retrace=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "dumb", &nextopt))
2059 vga_retrace_method = VGA_RETRACE_DUMB;
2060 else if (strstart(opts, "precise", &nextopt))
2061 vga_retrace_method = VGA_RETRACE_PRECISE;
2062 else goto invalid_vga;
2063 } else goto invalid_vga;
2064 opts = nextopt;
2065 }
2066 }
2067
2068 static DisplayType select_display(const char *p)
2069 {
2070 const char *opts;
2071 DisplayType display = DT_DEFAULT;
2072
2073 if (strstart(p, "sdl", &opts)) {
2074 #ifdef CONFIG_SDL
2075 display = DT_SDL;
2076 while (*opts) {
2077 const char *nextopt;
2078
2079 if (strstart(opts, ",frame=", &nextopt)) {
2080 opts = nextopt;
2081 if (strstart(opts, "on", &nextopt)) {
2082 no_frame = 0;
2083 } else if (strstart(opts, "off", &nextopt)) {
2084 no_frame = 1;
2085 } else {
2086 goto invalid_sdl_args;
2087 }
2088 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 alt_grab = 1;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 alt_grab = 0;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 ctrl_grab = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 ctrl_grab = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",window_close=", &nextopt)) {
2107 opts = nextopt;
2108 if (strstart(opts, "on", &nextopt)) {
2109 no_quit = 0;
2110 } else if (strstart(opts, "off", &nextopt)) {
2111 no_quit = 1;
2112 } else {
2113 goto invalid_sdl_args;
2114 }
2115 } else if (strstart(opts, ",gl=", &nextopt)) {
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 request_opengl = 1;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 request_opengl = 0;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else {
2125 invalid_sdl_args:
2126 error_report("Invalid SDL option string");
2127 exit(1);
2128 }
2129 opts = nextopt;
2130 }
2131 #else
2132 error_report("SDL support is disabled");
2133 exit(1);
2134 #endif
2135 } else if (strstart(p, "vnc", &opts)) {
2136 #ifdef CONFIG_VNC
2137 if (*opts == '=') {
2138 Error *err = NULL;
2139 if (vnc_parse(opts + 1, &err) == NULL) {
2140 error_report_err(err);
2141 exit(1);
2142 }
2143 } else {
2144 error_report("VNC requires a display argument vnc=<display>");
2145 exit(1);
2146 }
2147 #else
2148 error_report("VNC support is disabled");
2149 exit(1);
2150 #endif
2151 } else if (strstart(p, "curses", &opts)) {
2152 #ifdef CONFIG_CURSES
2153 display = DT_CURSES;
2154 #else
2155 error_report("Curses support is disabled");
2156 exit(1);
2157 #endif
2158 } else if (strstart(p, "gtk", &opts)) {
2159 #ifdef CONFIG_GTK
2160 display = DT_GTK;
2161 while (*opts) {
2162 const char *nextopt;
2163
2164 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2165 opts = nextopt;
2166 if (strstart(opts, "on", &nextopt)) {
2167 grab_on_hover = true;
2168 } else if (strstart(opts, "off", &nextopt)) {
2169 grab_on_hover = false;
2170 } else {
2171 goto invalid_gtk_args;
2172 }
2173 } else if (strstart(opts, ",gl=", &nextopt)) {
2174 opts = nextopt;
2175 if (strstart(opts, "on", &nextopt)) {
2176 request_opengl = 1;
2177 } else if (strstart(opts, "off", &nextopt)) {
2178 request_opengl = 0;
2179 } else {
2180 goto invalid_gtk_args;
2181 }
2182 } else {
2183 invalid_gtk_args:
2184 error_report("Invalid GTK option string");
2185 exit(1);
2186 }
2187 opts = nextopt;
2188 }
2189 #else
2190 error_report("GTK support is disabled");
2191 exit(1);
2192 #endif
2193 } else if (strstart(p, "none", &opts)) {
2194 display = DT_NONE;
2195 } else {
2196 error_report("Unknown display type");
2197 exit(1);
2198 }
2199
2200 return display;
2201 }
2202
2203 static int balloon_parse(const char *arg)
2204 {
2205 QemuOpts *opts;
2206
2207 if (strcmp(arg, "none") == 0) {
2208 return 0;
2209 }
2210
2211 if (!strncmp(arg, "virtio", 6)) {
2212 if (arg[6] == ',') {
2213 /* have params -> parse them */
2214 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2215 false);
2216 if (!opts)
2217 return -1;
2218 } else {
2219 /* create empty opts */
2220 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2221 &error_abort);
2222 }
2223 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2224 return 0;
2225 }
2226
2227 return -1;
2228 }
2229
2230 char *qemu_find_file(int type, const char *name)
2231 {
2232 int i;
2233 const char *subdir;
2234 char *buf;
2235
2236 /* Try the name as a straight path first */
2237 if (access(name, R_OK) == 0) {
2238 trace_load_file(name, name);
2239 return g_strdup(name);
2240 }
2241
2242 switch (type) {
2243 case QEMU_FILE_TYPE_BIOS:
2244 subdir = "";
2245 break;
2246 case QEMU_FILE_TYPE_KEYMAP:
2247 subdir = "keymaps/";
2248 break;
2249 default:
2250 abort();
2251 }
2252
2253 for (i = 0; i < data_dir_idx; i++) {
2254 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2255 if (access(buf, R_OK) == 0) {
2256 trace_load_file(name, buf);
2257 return buf;
2258 }
2259 g_free(buf);
2260 }
2261 return NULL;
2262 }
2263
2264 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2265 {
2266 gchar *buf;
2267 size_t size;
2268 const char *name, *file;
2269
2270 if (opaque == NULL) {
2271 error_report("fw_cfg device not available");
2272 return -1;
2273 }
2274 name = qemu_opt_get(opts, "name");
2275 file = qemu_opt_get(opts, "file");
2276 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2277 error_report("invalid argument value");
2278 return -1;
2279 }
2280 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2281 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2282 return -1;
2283 }
2284 if (strncmp(name, "opt/", 4) != 0) {
2285 error_report("WARNING: externally provided fw_cfg item names "
2286 "should be prefixed with \"opt/\"!");
2287 }
2288 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2289 error_report("can't load %s", file);
2290 return -1;
2291 }
2292 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2293 return 0;
2294 }
2295
2296 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2297 {
2298 return qdev_device_help(opts);
2299 }
2300
2301 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 Error *err = NULL;
2304 DeviceState *dev;
2305
2306 dev = qdev_device_add(opts, &err);
2307 if (!dev) {
2308 error_report_err(err);
2309 return -1;
2310 }
2311 object_unref(OBJECT(dev));
2312 return 0;
2313 }
2314
2315 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2316 {
2317 Error *local_err = NULL;
2318
2319 qemu_chr_new_from_opts(opts, NULL, &local_err);
2320 if (local_err) {
2321 error_report_err(local_err);
2322 return -1;
2323 }
2324 return 0;
2325 }
2326
2327 #ifdef CONFIG_VIRTFS
2328 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 int ret;
2331 ret = qemu_fsdev_add(opts);
2332
2333 return ret;
2334 }
2335 #endif
2336
2337 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2338 {
2339 CharDriverState *chr;
2340 const char *chardev;
2341 const char *mode;
2342 int flags;
2343
2344 mode = qemu_opt_get(opts, "mode");
2345 if (mode == NULL) {
2346 mode = "readline";
2347 }
2348 if (strcmp(mode, "readline") == 0) {
2349 flags = MONITOR_USE_READLINE;
2350 } else if (strcmp(mode, "control") == 0) {
2351 flags = MONITOR_USE_CONTROL;
2352 } else {
2353 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2354 exit(1);
2355 }
2356
2357 if (qemu_opt_get_bool(opts, "pretty", 0))
2358 flags |= MONITOR_USE_PRETTY;
2359
2360 if (qemu_opt_get_bool(opts, "default", 0))
2361 flags |= MONITOR_IS_DEFAULT;
2362
2363 chardev = qemu_opt_get(opts, "chardev");
2364 chr = qemu_chr_find(chardev);
2365 if (chr == NULL) {
2366 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2367 exit(1);
2368 }
2369
2370 qemu_chr_fe_claim_no_fail(chr);
2371 monitor_init(chr, flags);
2372 return 0;
2373 }
2374
2375 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2376 {
2377 static int monitor_device_index = 0;
2378 Error *local_err = NULL;
2379 QemuOpts *opts;
2380 const char *p;
2381 char label[32];
2382 int def = 0;
2383
2384 if (strstart(optarg, "chardev:", &p)) {
2385 snprintf(label, sizeof(label), "%s", p);
2386 } else {
2387 snprintf(label, sizeof(label), "compat_monitor%d",
2388 monitor_device_index);
2389 if (monitor_device_index == 0) {
2390 def = 1;
2391 }
2392 opts = qemu_chr_parse_compat(label, optarg);
2393 if (!opts) {
2394 fprintf(stderr, "parse error: %s\n", optarg);
2395 exit(1);
2396 }
2397 }
2398
2399 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2400 if (!opts) {
2401 error_report_err(local_err);
2402 exit(1);
2403 }
2404 qemu_opt_set(opts, "mode", mode, &error_abort);
2405 qemu_opt_set(opts, "chardev", label, &error_abort);
2406 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2407 if (def)
2408 qemu_opt_set(opts, "default", "on", &error_abort);
2409 monitor_device_index++;
2410 }
2411
2412 struct device_config {
2413 enum {
2414 DEV_USB, /* -usbdevice */
2415 DEV_BT, /* -bt */
2416 DEV_SERIAL, /* -serial */
2417 DEV_PARALLEL, /* -parallel */
2418 DEV_VIRTCON, /* -virtioconsole */
2419 DEV_DEBUGCON, /* -debugcon */
2420 DEV_GDB, /* -gdb, -s */
2421 DEV_SCLP, /* s390 sclp */
2422 } type;
2423 const char *cmdline;
2424 Location loc;
2425 QTAILQ_ENTRY(device_config) next;
2426 };
2427
2428 static QTAILQ_HEAD(, device_config) device_configs =
2429 QTAILQ_HEAD_INITIALIZER(device_configs);
2430
2431 static void add_device_config(int type, const char *cmdline)
2432 {
2433 struct device_config *conf;
2434
2435 conf = g_malloc0(sizeof(*conf));
2436 conf->type = type;
2437 conf->cmdline = cmdline;
2438 loc_save(&conf->loc);
2439 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2440 }
2441
2442 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2443 {
2444 struct device_config *conf;
2445 int rc;
2446
2447 QTAILQ_FOREACH(conf, &device_configs, next) {
2448 if (conf->type != type)
2449 continue;
2450 loc_push_restore(&conf->loc);
2451 rc = func(conf->cmdline);
2452 loc_pop(&conf->loc);
2453 if (rc) {
2454 return rc;
2455 }
2456 }
2457 return 0;
2458 }
2459
2460 static int serial_parse(const char *devname)
2461 {
2462 static int index = 0;
2463 char label[32];
2464
2465 if (strcmp(devname, "none") == 0)
2466 return 0;
2467 if (index == MAX_SERIAL_PORTS) {
2468 fprintf(stderr, "qemu: too many serial ports\n");
2469 exit(1);
2470 }
2471 snprintf(label, sizeof(label), "serial%d", index);
2472 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!serial_hds[index]) {
2474 fprintf(stderr, "qemu: could not connect serial device"
2475 " to character backend '%s'\n", devname);
2476 return -1;
2477 }
2478 index++;
2479 return 0;
2480 }
2481
2482 static int parallel_parse(const char *devname)
2483 {
2484 static int index = 0;
2485 char label[32];
2486
2487 if (strcmp(devname, "none") == 0)
2488 return 0;
2489 if (index == MAX_PARALLEL_PORTS) {
2490 fprintf(stderr, "qemu: too many parallel ports\n");
2491 exit(1);
2492 }
2493 snprintf(label, sizeof(label), "parallel%d", index);
2494 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2495 if (!parallel_hds[index]) {
2496 fprintf(stderr, "qemu: could not connect parallel device"
2497 " to character backend '%s'\n", devname);
2498 return -1;
2499 }
2500 index++;
2501 return 0;
2502 }
2503
2504 static int virtcon_parse(const char *devname)
2505 {
2506 QemuOptsList *device = qemu_find_opts("device");
2507 static int index = 0;
2508 char label[32];
2509 QemuOpts *bus_opts, *dev_opts;
2510
2511 if (strcmp(devname, "none") == 0)
2512 return 0;
2513 if (index == MAX_VIRTIO_CONSOLES) {
2514 fprintf(stderr, "qemu: too many virtio consoles\n");
2515 exit(1);
2516 }
2517
2518 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2519 if (arch_type == QEMU_ARCH_S390X) {
2520 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2521 } else {
2522 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2523 }
2524
2525 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2526 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2527
2528 snprintf(label, sizeof(label), "virtcon%d", index);
2529 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2530 if (!virtcon_hds[index]) {
2531 fprintf(stderr, "qemu: could not connect virtio console"
2532 " to character backend '%s'\n", devname);
2533 return -1;
2534 }
2535 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2536
2537 index++;
2538 return 0;
2539 }
2540
2541 static int sclp_parse(const char *devname)
2542 {
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2545 char label[32];
2546 QemuOpts *dev_opts;
2547
2548 if (strcmp(devname, "none") == 0) {
2549 return 0;
2550 }
2551 if (index == MAX_SCLP_CONSOLES) {
2552 fprintf(stderr, "qemu: too many sclp consoles\n");
2553 exit(1);
2554 }
2555
2556 assert(arch_type == QEMU_ARCH_S390X);
2557
2558 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2559 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2560
2561 snprintf(label, sizeof(label), "sclpcon%d", index);
2562 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2563 if (!sclp_hds[index]) {
2564 fprintf(stderr, "qemu: could not connect sclp console"
2565 " to character backend '%s'\n", devname);
2566 return -1;
2567 }
2568 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2569
2570 index++;
2571 return 0;
2572 }
2573
2574 static int debugcon_parse(const char *devname)
2575 {
2576 QemuOpts *opts;
2577
2578 if (!qemu_chr_new("debugcon", devname, NULL)) {
2579 exit(1);
2580 }
2581 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2582 if (!opts) {
2583 fprintf(stderr, "qemu: already have a debugcon device\n");
2584 exit(1);
2585 }
2586 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2587 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2588 return 0;
2589 }
2590
2591 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2592 {
2593 const MachineClass *mc1 = a, *mc2 = b;
2594 int res;
2595
2596 if (mc1->family == NULL) {
2597 if (mc2->family == NULL) {
2598 /* Compare standalone machine types against each other; they sort
2599 * in increasing order.
2600 */
2601 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2602 object_class_get_name(OBJECT_CLASS(mc2)));
2603 }
2604
2605 /* Standalone machine types sort after families. */
2606 return 1;
2607 }
2608
2609 if (mc2->family == NULL) {
2610 /* Families sort before standalone machine types. */
2611 return -1;
2612 }
2613
2614 /* Families sort between each other alphabetically increasingly. */
2615 res = strcmp(mc1->family, mc2->family);
2616 if (res != 0) {
2617 return res;
2618 }
2619
2620 /* Within the same family, machine types sort in decreasing order. */
2621 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2622 object_class_get_name(OBJECT_CLASS(mc1)));
2623 }
2624
2625 static MachineClass *machine_parse(const char *name)
2626 {
2627 MachineClass *mc = NULL;
2628 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2629
2630 if (name) {
2631 mc = find_machine(name);
2632 }
2633 if (mc) {
2634 g_slist_free(machines);
2635 return mc;
2636 }
2637 if (name && !is_help_option(name)) {
2638 error_report("Unsupported machine type");
2639 error_printf("Use -machine help to list supported machines!\n");
2640 } else {
2641 printf("Supported machines are:\n");
2642 machines = g_slist_sort(machines, machine_class_cmp);
2643 for (el = machines; el; el = el->next) {
2644 MachineClass *mc = el->data;
2645 if (mc->alias) {
2646 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2647 }
2648 printf("%-20s %s%s\n", mc->name, mc->desc,
2649 mc->is_default ? " (default)" : "");
2650 }
2651 }
2652
2653 g_slist_free(machines);
2654 exit(!name || !is_help_option(name));
2655 }
2656
2657 void qemu_add_exit_notifier(Notifier *notify)
2658 {
2659 notifier_list_add(&exit_notifiers, notify);
2660 }
2661
2662 void qemu_remove_exit_notifier(Notifier *notify)
2663 {
2664 notifier_remove(notify);
2665 }
2666
2667 static void qemu_run_exit_notifiers(void)
2668 {
2669 notifier_list_notify(&exit_notifiers, NULL);
2670 }
2671
2672 static bool machine_init_done;
2673
2674 void qemu_add_machine_init_done_notifier(Notifier *notify)
2675 {
2676 notifier_list_add(&machine_init_done_notifiers, notify);
2677 if (machine_init_done) {
2678 notify->notify(notify, NULL);
2679 }
2680 }
2681
2682 static void qemu_run_machine_init_done_notifiers(void)
2683 {
2684 notifier_list_notify(&machine_init_done_notifiers, NULL);
2685 machine_init_done = true;
2686 }
2687
2688 static const QEMUOption *lookup_opt(int argc, char **argv,
2689 const char **poptarg, int *poptind)
2690 {
2691 const QEMUOption *popt;
2692 int optind = *poptind;
2693 char *r = argv[optind];
2694 const char *optarg;
2695
2696 loc_set_cmdline(argv, optind, 1);
2697 optind++;
2698 /* Treat --foo the same as -foo. */
2699 if (r[1] == '-')
2700 r++;
2701 popt = qemu_options;
2702 for(;;) {
2703 if (!popt->name) {
2704 error_report("invalid option");
2705 exit(1);
2706 }
2707 if (!strcmp(popt->name, r + 1))
2708 break;
2709 popt++;
2710 }
2711 if (popt->flags & HAS_ARG) {
2712 if (optind >= argc) {
2713 error_report("requires an argument");
2714 exit(1);
2715 }
2716 optarg = argv[optind++];
2717 loc_set_cmdline(argv, optind - 2, 2);
2718 } else {
2719 optarg = NULL;
2720 }
2721
2722 *poptarg = optarg;
2723 *poptind = optind;
2724
2725 return popt;
2726 }
2727
2728 static gpointer malloc_and_trace(gsize n_bytes)
2729 {
2730 void *ptr = malloc(n_bytes);
2731 trace_g_malloc(n_bytes, ptr);
2732 return ptr;
2733 }
2734
2735 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2736 {
2737 void *ptr = realloc(mem, n_bytes);
2738 trace_g_realloc(mem, n_bytes, ptr);
2739 return ptr;
2740 }
2741
2742 static void free_and_trace(gpointer mem)
2743 {
2744 trace_g_free(mem);
2745 free(mem);
2746 }
2747
2748 static int machine_set_property(void *opaque,
2749 const char *name, const char *value,
2750 Error **errp)
2751 {
2752 Object *obj = OBJECT(opaque);
2753 Error *local_err = NULL;
2754 char *c, *qom_name;
2755
2756 if (strcmp(name, "type") == 0) {
2757 return 0;
2758 }
2759
2760 qom_name = g_strdup(name);
2761 c = qom_name;
2762 while (*c++) {
2763 if (*c == '_') {
2764 *c = '-';
2765 }
2766 }
2767
2768 object_property_parse(obj, value, qom_name, &local_err);
2769 g_free(qom_name);
2770
2771 if (local_err) {
2772 error_report_err(local_err);
2773 return -1;
2774 }
2775
2776 return 0;
2777 }
2778
2779
2780 /*
2781 * Initial object creation happens before all other
2782 * QEMU data types are created. The majority of objects
2783 * can be created at this point. The rng-egd object
2784 * cannot be created here, as it depends on the chardev
2785 * already existing.
2786 */
2787 static bool object_create_initial(const char *type)
2788 {
2789 if (g_str_equal(type, "rng-egd")) {
2790 return false;
2791 }
2792 return true;
2793 }
2794
2795
2796 /*
2797 * The remainder of object creation happens after the
2798 * creation of chardev, fsdev and device data types.
2799 */
2800 static bool object_create_delayed(const char *type)
2801 {
2802 return !object_create_initial(type);
2803 }
2804
2805
2806 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2807 {
2808 Error *err = NULL;
2809 char *type = NULL;
2810 char *id = NULL;
2811 void *dummy = NULL;
2812 OptsVisitor *ov;
2813 QDict *pdict;
2814 bool (*type_predicate)(const char *) = opaque;
2815
2816 ov = opts_visitor_new(opts);
2817 pdict = qemu_opts_to_qdict(opts, NULL);
2818
2819 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2820 if (err) {
2821 goto out;
2822 }
2823
2824 qdict_del(pdict, "qom-type");
2825 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2826 if (err) {
2827 goto out;
2828 }
2829 if (!type_predicate(type)) {
2830 goto out;
2831 }
2832
2833 qdict_del(pdict, "id");
2834 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2835 if (err) {
2836 goto out;
2837 }
2838
2839 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2840 if (err) {
2841 goto out;
2842 }
2843 visit_end_struct(opts_get_visitor(ov), &err);
2844 if (err) {
2845 qmp_object_del(id, NULL);
2846 }
2847
2848 out:
2849 opts_visitor_cleanup(ov);
2850
2851 QDECREF(pdict);
2852 g_free(id);
2853 g_free(type);
2854 g_free(dummy);
2855 if (err) {
2856 error_report_err(err);
2857 return -1;
2858 }
2859 return 0;
2860 }
2861
2862 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2863 MachineClass *mc)
2864 {
2865 uint64_t sz;
2866 const char *mem_str;
2867 const char *maxmem_str, *slots_str;
2868 const ram_addr_t default_ram_size = mc->default_ram_size;
2869 QemuOpts *opts = qemu_find_opts_singleton("memory");
2870
2871 sz = 0;
2872 mem_str = qemu_opt_get(opts, "size");
2873 if (mem_str) {
2874 if (!*mem_str) {
2875 error_report("missing 'size' option value");
2876 exit(EXIT_FAILURE);
2877 }
2878
2879 sz = qemu_opt_get_size(opts, "size", ram_size);
2880
2881 /* Fix up legacy suffix-less format */
2882 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2883 uint64_t overflow_check = sz;
2884
2885 sz <<= 20;
2886 if ((sz >> 20) != overflow_check) {
2887 error_report("too large 'size' option value");
2888 exit(EXIT_FAILURE);
2889 }
2890 }
2891 }
2892
2893 /* backward compatibility behaviour for case "-m 0" */
2894 if (sz == 0) {
2895 sz = default_ram_size;
2896 }
2897
2898 sz = QEMU_ALIGN_UP(sz, 8192);
2899 ram_size = sz;
2900 if (ram_size != sz) {
2901 error_report("ram size too large");
2902 exit(EXIT_FAILURE);
2903 }
2904
2905 /* store value for the future use */
2906 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2907 *maxram_size = ram_size;
2908
2909 maxmem_str = qemu_opt_get(opts, "maxmem");
2910 slots_str = qemu_opt_get(opts, "slots");
2911 if (maxmem_str && slots_str) {
2912 uint64_t slots;
2913
2914 sz = qemu_opt_get_size(opts, "maxmem", 0);
2915 slots = qemu_opt_get_number(opts, "slots", 0);
2916 if (sz < ram_size) {
2917 error_report("invalid value of -m option maxmem: "
2918 "maximum memory size (0x%" PRIx64 ") must be at least "
2919 "the initial memory size (0x" RAM_ADDR_FMT ")",
2920 sz, ram_size);
2921 exit(EXIT_FAILURE);
2922 } else if (sz > ram_size) {
2923 if (!slots) {
2924 error_report("invalid value of -m option: maxmem was "
2925 "specified, but no hotplug slots were specified");
2926 exit(EXIT_FAILURE);
2927 }
2928 } else if (slots) {
2929 error_report("invalid value of -m option maxmem: "
2930 "memory slots were specified but maximum memory size "
2931 "(0x%" PRIx64 ") is equal to the initial memory size "
2932 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2933 exit(EXIT_FAILURE);
2934 }
2935
2936 *maxram_size = sz;
2937 *ram_slots = slots;
2938 } else if ((!maxmem_str && slots_str) ||
2939 (maxmem_str && !slots_str)) {
2940 error_report("invalid -m option value: missing "
2941 "'%s' option", slots_str ? "maxmem" : "slots");
2942 exit(EXIT_FAILURE);
2943 }
2944 }
2945
2946 int main(int argc, char **argv, char **envp)
2947 {
2948 int i;
2949 int snapshot, linux_boot;
2950 const char *initrd_filename;
2951 const char *kernel_filename, *kernel_cmdline;
2952 const char *boot_order = NULL;
2953 const char *boot_once = NULL;
2954 DisplayState *ds;
2955 int cyls, heads, secs, translation;
2956 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2957 QemuOptsList *olist;
2958 int optind;
2959 const char *optarg;
2960 const char *loadvm = NULL;
2961 MachineClass *machine_class;
2962 const char *cpu_model;
2963 const char *vga_model = NULL;
2964 const char *qtest_chrdev = NULL;
2965 const char *qtest_log = NULL;
2966 const char *pid_file = NULL;
2967 const char *incoming = NULL;
2968 #ifdef CONFIG_VNC
2969 int show_vnc_port = 0;
2970 #endif
2971 bool defconfig = true;
2972 bool userconfig = true;
2973 const char *log_mask = NULL;
2974 const char *log_file = NULL;
2975 GMemVTable mem_trace = {
2976 .malloc = malloc_and_trace,
2977 .realloc = realloc_and_trace,
2978 .free = free_and_trace,
2979 };
2980 const char *trace_events = NULL;
2981 const char *trace_file = NULL;
2982 ram_addr_t maxram_size;
2983 uint64_t ram_slots = 0;
2984 FILE *vmstate_dump_file = NULL;
2985 Error *main_loop_err = NULL;
2986 Error *err = NULL;
2987
2988 qemu_init_cpu_loop();
2989 qemu_mutex_lock_iothread();
2990
2991 atexit(qemu_run_exit_notifiers);
2992 error_set_progname(argv[0]);
2993 qemu_init_exec_dir(argv[0]);
2994
2995 g_mem_set_vtable(&mem_trace);
2996
2997 module_call_init(MODULE_INIT_QOM);
2998
2999 qemu_add_opts(&qemu_drive_opts);
3000 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3001 qemu_add_drive_opts(&qemu_common_drive_opts);
3002 qemu_add_drive_opts(&qemu_drive_opts);
3003 qemu_add_opts(&qemu_chardev_opts);
3004 qemu_add_opts(&qemu_device_opts);
3005 qemu_add_opts(&qemu_netdev_opts);
3006 qemu_add_opts(&qemu_net_opts);
3007 qemu_add_opts(&qemu_rtc_opts);
3008 qemu_add_opts(&qemu_global_opts);
3009 qemu_add_opts(&qemu_mon_opts);
3010 qemu_add_opts(&qemu_trace_opts);
3011 qemu_add_opts(&qemu_option_rom_opts);
3012 qemu_add_opts(&qemu_machine_opts);
3013 qemu_add_opts(&qemu_mem_opts);
3014 qemu_add_opts(&qemu_smp_opts);
3015 qemu_add_opts(&qemu_boot_opts);
3016 qemu_add_opts(&qemu_sandbox_opts);
3017 qemu_add_opts(&qemu_add_fd_opts);
3018 qemu_add_opts(&qemu_object_opts);
3019 qemu_add_opts(&qemu_tpmdev_opts);
3020 qemu_add_opts(&qemu_realtime_opts);
3021 qemu_add_opts(&qemu_msg_opts);
3022 qemu_add_opts(&qemu_name_opts);
3023 qemu_add_opts(&qemu_numa_opts);
3024 qemu_add_opts(&qemu_icount_opts);
3025 qemu_add_opts(&qemu_semihosting_config_opts);
3026 qemu_add_opts(&qemu_fw_cfg_opts);
3027
3028 runstate_init();
3029
3030 if (qcrypto_init(&err) < 0) {
3031 fprintf(stderr, "Cannot initialize crypto: %s\n",
3032 error_get_pretty(err));
3033 exit(1);
3034 }
3035 rtc_clock = QEMU_CLOCK_HOST;
3036
3037 QLIST_INIT (&vm_change_state_head);
3038 os_setup_early_signal_handling();
3039
3040 module_call_init(MODULE_INIT_MACHINE);
3041 machine_class = find_default_machine();
3042 cpu_model = NULL;
3043 snapshot = 0;
3044 cyls = heads = secs = 0;
3045 translation = BIOS_ATA_TRANSLATION_AUTO;
3046
3047 nb_nics = 0;
3048
3049 bdrv_init_with_whitelist();
3050
3051 autostart = 1;
3052
3053 /* first pass of option parsing */
3054 optind = 1;
3055 while (optind < argc) {
3056 if (argv[optind][0] != '-') {
3057 /* disk image */
3058 optind++;
3059 } else {
3060 const QEMUOption *popt;
3061
3062 popt = lookup_opt(argc, argv, &optarg, &optind);
3063 switch (popt->index) {
3064 case QEMU_OPTION_nodefconfig:
3065 defconfig = false;
3066 break;
3067 case QEMU_OPTION_nouserconfig:
3068 userconfig = false;
3069 break;
3070 }
3071 }
3072 }
3073
3074 if (defconfig) {
3075 int ret;
3076 ret = qemu_read_default_config_files(userconfig);
3077 if (ret < 0) {
3078 exit(1);
3079 }
3080 }
3081
3082 /* second pass of option parsing */
3083 optind = 1;
3084 for(;;) {
3085 if (optind >= argc)
3086 break;
3087 if (argv[optind][0] != '-') {
3088 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3089 } else {
3090 const QEMUOption *popt;
3091
3092 popt = lookup_opt(argc, argv, &optarg, &optind);
3093 if (!(popt->arch_mask & arch_type)) {
3094 printf("Option %s not supported for this target\n", popt->name);
3095 exit(1);
3096 }
3097 switch(popt->index) {
3098 case QEMU_OPTION_no_kvm_irqchip: {
3099 olist = qemu_find_opts("machine");
3100 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3101 break;
3102 }
3103 case QEMU_OPTION_cpu:
3104 /* hw initialization will check this */
3105 cpu_model = optarg;
3106 break;
3107 case QEMU_OPTION_hda:
3108 {
3109 char buf[256];
3110 if (cyls == 0)
3111 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3112 else
3113 snprintf(buf, sizeof(buf),
3114 "%s,cyls=%d,heads=%d,secs=%d%s",
3115 HD_OPTS , cyls, heads, secs,
3116 translation == BIOS_ATA_TRANSLATION_LBA ?
3117 ",trans=lba" :
3118 translation == BIOS_ATA_TRANSLATION_NONE ?
3119 ",trans=none" : "");
3120 drive_add(IF_DEFAULT, 0, optarg, buf);
3121 break;
3122 }
3123 case QEMU_OPTION_hdb:
3124 case QEMU_OPTION_hdc:
3125 case QEMU_OPTION_hdd:
3126 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3127 HD_OPTS);
3128 break;
3129 case QEMU_OPTION_drive:
3130 if (drive_def(optarg) == NULL) {
3131 exit(1);
3132 }
3133 break;
3134 case QEMU_OPTION_set:
3135 if (qemu_set_option(optarg) != 0)
3136 exit(1);
3137 break;
3138 case QEMU_OPTION_global:
3139 if (qemu_global_option(optarg) != 0)
3140 exit(1);
3141 break;
3142 case QEMU_OPTION_mtdblock:
3143 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3144 break;
3145 case QEMU_OPTION_sd:
3146 drive_add(IF_SD, -1, optarg, SD_OPTS);
3147 break;
3148 case QEMU_OPTION_pflash:
3149 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3150 break;
3151 case QEMU_OPTION_snapshot:
3152 snapshot = 1;
3153 break;
3154 case QEMU_OPTION_hdachs:
3155 {
3156 const char *p;
3157 p = optarg;
3158 cyls = strtol(p, (char **)&p, 0);
3159 if (cyls < 1 || cyls > 16383)
3160 goto chs_fail;
3161 if (*p != ',')
3162 goto chs_fail;
3163 p++;
3164 heads = strtol(p, (char **)&p, 0);
3165 if (heads < 1 || heads > 16)
3166 goto chs_fail;
3167 if (*p != ',')
3168 goto chs_fail;
3169 p++;
3170 secs = strtol(p, (char **)&p, 0);
3171 if (secs < 1 || secs > 63)
3172 goto chs_fail;
3173 if (*p == ',') {
3174 p++;
3175 if (!strcmp(p, "large")) {
3176 translation = BIOS_ATA_TRANSLATION_LARGE;
3177 } else if (!strcmp(p, "rechs")) {
3178 translation = BIOS_ATA_TRANSLATION_RECHS;
3179 } else if (!strcmp(p, "none")) {
3180 translation = BIOS_ATA_TRANSLATION_NONE;
3181 } else if (!strcmp(p, "lba")) {
3182 translation = BIOS_ATA_TRANSLATION_LBA;
3183 } else if (!strcmp(p, "auto")) {
3184 translation = BIOS_ATA_TRANSLATION_AUTO;
3185 } else {
3186 goto chs_fail;
3187 }
3188 } else if (*p != '\0') {
3189 chs_fail:
3190 fprintf(stderr, "qemu: invalid physical CHS format\n");
3191 exit(1);
3192 }
3193 if (hda_opts != NULL) {
3194 qemu_opt_set_number(hda_opts, "cyls", cyls,
3195 &error_abort);
3196 qemu_opt_set_number(hda_opts, "heads", heads,
3197 &error_abort);
3198 qemu_opt_set_number(hda_opts, "secs", secs,
3199 &error_abort);
3200 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3201 qemu_opt_set(hda_opts, "trans", "large",
3202 &error_abort);
3203 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3204 qemu_opt_set(hda_opts, "trans", "rechs",
3205 &error_abort);
3206 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3207 qemu_opt_set(hda_opts, "trans", "lba",
3208 &error_abort);
3209 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3210 qemu_opt_set(hda_opts, "trans", "none",
3211 &error_abort);
3212 }
3213 }
3214 }
3215 break;
3216 case QEMU_OPTION_numa:
3217 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3218 optarg, true);
3219 if (!opts) {
3220 exit(1);
3221 }
3222 break;
3223 case QEMU_OPTION_display:
3224 display_type = select_display(optarg);
3225 break;
3226 case QEMU_OPTION_nographic:
3227 display_type = DT_NOGRAPHIC;
3228 break;
3229 case QEMU_OPTION_curses:
3230 #ifdef CONFIG_CURSES
3231 display_type = DT_CURSES;
3232 #else
3233 fprintf(stderr, "Curses support is disabled\n");
3234 exit(1);
3235 #endif
3236 break;
3237 case QEMU_OPTION_portrait:
3238 graphic_rotate = 90;
3239 break;
3240 case QEMU_OPTION_rotate:
3241 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3242 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3243 graphic_rotate != 180 && graphic_rotate != 270) {
3244 fprintf(stderr,
3245 "qemu: only 90, 180, 270 deg rotation is available\n");
3246 exit(1);
3247 }
3248 break;
3249 case QEMU_OPTION_kernel:
3250 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3251 &error_abort);
3252 break;
3253 case QEMU_OPTION_initrd:
3254 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3255 &error_abort);
3256 break;
3257 case QEMU_OPTION_append:
3258 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3259 &error_abort);
3260 break;
3261 case QEMU_OPTION_dtb:
3262 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3263 &error_abort);
3264 break;
3265 case QEMU_OPTION_cdrom:
3266 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3267 break;
3268 case QEMU_OPTION_boot:
3269 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3270 optarg, true);
3271 if (!opts) {
3272 exit(1);
3273 }
3274 break;
3275 case QEMU_OPTION_fda:
3276 case QEMU_OPTION_fdb:
3277 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3278 optarg, FD_OPTS);
3279 break;
3280 case QEMU_OPTION_no_fd_bootchk:
3281 fd_bootchk = 0;
3282 break;
3283 case QEMU_OPTION_netdev:
3284 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3285 exit(1);
3286 }
3287 break;
3288 case QEMU_OPTION_net:
3289 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3290 exit(1);
3291 }
3292 break;
3293 #ifdef CONFIG_LIBISCSI
3294 case QEMU_OPTION_iscsi:
3295 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3296 optarg, false);
3297 if (!opts) {
3298 exit(1);
3299 }
3300 break;
3301 #endif
3302 #ifdef CONFIG_SLIRP
3303 case QEMU_OPTION_tftp:
3304 legacy_tftp_prefix = optarg;
3305 break;
3306 case QEMU_OPTION_bootp:
3307 legacy_bootp_filename = optarg;
3308 break;
3309 case QEMU_OPTION_redir:
3310 if (net_slirp_redir(optarg) < 0)
3311 exit(1);
3312 break;
3313 #endif
3314 case QEMU_OPTION_bt:
3315 add_device_config(DEV_BT, optarg);
3316 break;
3317 case QEMU_OPTION_audio_help:
3318 AUD_help ();
3319 exit (0);
3320 break;
3321 case QEMU_OPTION_soundhw:
3322 select_soundhw (optarg);
3323 break;
3324 case QEMU_OPTION_h:
3325 help(0);
3326 break;
3327 case QEMU_OPTION_version:
3328 version();
3329 exit(0);
3330 break;
3331 case QEMU_OPTION_m:
3332 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3333 optarg, true);
3334 if (!opts) {
3335 exit(EXIT_FAILURE);
3336 }
3337 break;
3338 #ifdef CONFIG_TPM
3339 case QEMU_OPTION_tpmdev:
3340 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3341 exit(1);
3342 }
3343 break;
3344 #endif
3345 case QEMU_OPTION_mempath:
3346 mem_path = optarg;
3347 break;
3348 case QEMU_OPTION_mem_prealloc:
3349 mem_prealloc = 1;
3350 break;
3351 case QEMU_OPTION_d:
3352 log_mask = optarg;
3353 break;
3354 case QEMU_OPTION_D:
3355 log_file = optarg;
3356 break;
3357 case QEMU_OPTION_s:
3358 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3359 break;
3360 case QEMU_OPTION_gdb:
3361 add_device_config(DEV_GDB, optarg);
3362 break;
3363 case QEMU_OPTION_L:
3364 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3365 data_dir[data_dir_idx++] = optarg;
3366 }
3367 break;
3368 case QEMU_OPTION_bios:
3369 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3370 &error_abort);
3371 break;
3372 case QEMU_OPTION_singlestep:
3373 singlestep = 1;
3374 break;
3375 case QEMU_OPTION_S:
3376 autostart = 0;
3377 break;
3378 case QEMU_OPTION_k:
3379 keyboard_layout = optarg;
3380 break;
3381 case QEMU_OPTION_localtime:
3382 rtc_utc = 0;
3383 break;
3384 case QEMU_OPTION_vga:
3385 vga_model = optarg;
3386 default_vga = 0;
3387 break;
3388 case QEMU_OPTION_g:
3389 {
3390 const char *p;
3391 int w, h, depth;
3392 p = optarg;
3393 w = strtol(p, (char **)&p, 10);
3394 if (w <= 0) {
3395 graphic_error:
3396 fprintf(stderr, "qemu: invalid resolution or depth\n");
3397 exit(1);
3398 }
3399 if (*p != 'x')
3400 goto graphic_error;
3401 p++;
3402 h = strtol(p, (char **)&p, 10);
3403 if (h <= 0)
3404 goto graphic_error;
3405 if (*p == 'x') {
3406 p++;
3407 depth = strtol(p, (char **)&p, 10);
3408 if (depth != 8 && depth != 15 && depth != 16 &&
3409 depth != 24 && depth != 32)
3410 goto graphic_error;
3411 } else if (*p == '\0') {
3412 depth = graphic_depth;
3413 } else {
3414 goto graphic_error;
3415 }
3416
3417 graphic_width = w;
3418 graphic_height = h;
3419 graphic_depth = depth;
3420 }
3421 break;
3422 case QEMU_OPTION_echr:
3423 {
3424 char *r;
3425 term_escape_char = strtol(optarg, &r, 0);
3426 if (r == optarg)
3427 printf("Bad argument to echr\n");
3428 break;
3429 }
3430 case QEMU_OPTION_monitor:
3431 default_monitor = 0;
3432 if (strncmp(optarg, "none", 4)) {
3433 monitor_parse(optarg, "readline", false);
3434 }
3435 break;
3436 case QEMU_OPTION_qmp:
3437 monitor_parse(optarg, "control", false);
3438 default_monitor = 0;
3439 break;
3440 case QEMU_OPTION_qmp_pretty:
3441 monitor_parse(optarg, "control", true);
3442 default_monitor = 0;
3443 break;
3444 case QEMU_OPTION_mon:
3445 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3446 true);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 default_monitor = 0;
3451 break;
3452 case QEMU_OPTION_chardev:
3453 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3454 optarg, true);
3455 if (!opts) {
3456 exit(1);
3457 }
3458 break;
3459 case QEMU_OPTION_fsdev:
3460 olist = qemu_find_opts("fsdev");
3461 if (!olist) {
3462 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3463 exit(1);
3464 }
3465 opts = qemu_opts_parse_noisily(olist, optarg, true);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 break;
3470 case QEMU_OPTION_virtfs: {
3471 QemuOpts *fsdev;
3472 QemuOpts *device;
3473 const char *writeout, *sock_fd, *socket;
3474
3475 olist = qemu_find_opts("virtfs");
3476 if (!olist) {
3477 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3478 exit(1);
3479 }
3480 opts = qemu_opts_parse_noisily(olist, optarg, true);
3481 if (!opts) {
3482 exit(1);
3483 }
3484
3485 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3486 qemu_opt_get(opts, "mount_tag") == NULL) {
3487 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3488 exit(1);
3489 }
3490 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3491 qemu_opt_get(opts, "mount_tag"),
3492 1, NULL);
3493 if (!fsdev) {
3494 fprintf(stderr, "duplicate fsdev id: %s\n",
3495 qemu_opt_get(opts, "mount_tag"));
3496 exit(1);
3497 }
3498
3499 writeout = qemu_opt_get(opts, "writeout");
3500 if (writeout) {
3501 #ifdef CONFIG_SYNC_FILE_RANGE
3502 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3503 #else
3504 fprintf(stderr, "writeout=immediate not supported on "
3505 "this platform\n");
3506 exit(1);
3507 #endif
3508 }
3509 qemu_opt_set(fsdev, "fsdriver",
3510 qemu_opt_get(opts, "fsdriver"), &error_abort);
3511 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3512 &error_abort);
3513 qemu_opt_set(fsdev, "security_model",
3514 qemu_opt_get(opts, "security_model"),
3515 &error_abort);
3516 socket = qemu_opt_get(opts, "socket");
3517 if (socket) {
3518 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3519 }
3520 sock_fd = qemu_opt_get(opts, "sock_fd");
3521 if (sock_fd) {
3522 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3523 }
3524
3525 qemu_opt_set_bool(fsdev, "readonly",
3526 qemu_opt_get_bool(opts, "readonly", 0),
3527 &error_abort);
3528 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3529 &error_abort);
3530 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3531 qemu_opt_set(device, "fsdev",
3532 qemu_opt_get(opts, "mount_tag"), &error_abort);
3533 qemu_opt_set(device, "mount_tag",
3534 qemu_opt_get(opts, "mount_tag"), &error_abort);
3535 break;
3536 }
3537 case QEMU_OPTION_virtfs_synth: {
3538 QemuOpts *fsdev;
3539 QemuOpts *device;
3540
3541 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3542 1, NULL);
3543 if (!fsdev) {
3544 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3545 exit(1);
3546 }
3547 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3548
3549 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3550 &error_abort);
3551 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3552 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3553 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3554 break;
3555 }
3556 case QEMU_OPTION_serial:
3557 add_device_config(DEV_SERIAL, optarg);
3558 default_serial = 0;
3559 if (strncmp(optarg, "mon:", 4) == 0) {
3560 default_monitor = 0;
3561 }
3562 break;
3563 case QEMU_OPTION_watchdog:
3564 if (watchdog) {
3565 fprintf(stderr,
3566 "qemu: only one watchdog option may be given\n");
3567 return 1;
3568 }
3569 watchdog = optarg;
3570 break;
3571 case QEMU_OPTION_watchdog_action:
3572 if (select_watchdog_action(optarg) == -1) {
3573 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3574 exit(1);
3575 }
3576 break;
3577 case QEMU_OPTION_virtiocon:
3578 add_device_config(DEV_VIRTCON, optarg);
3579 default_virtcon = 0;
3580 if (strncmp(optarg, "mon:", 4) == 0) {
3581 default_monitor = 0;
3582 }
3583 break;
3584 case QEMU_OPTION_parallel:
3585 add_device_config(DEV_PARALLEL, optarg);
3586 default_parallel = 0;
3587 if (strncmp(optarg, "mon:", 4) == 0) {
3588 default_monitor = 0;
3589 }
3590 break;
3591 case QEMU_OPTION_debugcon:
3592 add_device_config(DEV_DEBUGCON, optarg);
3593 break;
3594 case QEMU_OPTION_loadvm:
3595 loadvm = optarg;
3596 break;
3597 case QEMU_OPTION_full_screen:
3598 full_screen = 1;
3599 break;
3600 case QEMU_OPTION_no_frame:
3601 no_frame = 1;
3602 break;
3603 case QEMU_OPTION_alt_grab:
3604 alt_grab = 1;
3605 break;
3606 case QEMU_OPTION_ctrl_grab:
3607 ctrl_grab = 1;
3608 break;
3609 case QEMU_OPTION_no_quit:
3610 no_quit = 1;
3611 break;
3612 case QEMU_OPTION_sdl:
3613 #ifdef CONFIG_SDL
3614 display_type = DT_SDL;
3615 break;
3616 #else
3617 fprintf(stderr, "SDL support is disabled\n");
3618 exit(1);
3619 #endif
3620 case QEMU_OPTION_pidfile:
3621 pid_file = optarg;
3622 break;
3623 case QEMU_OPTION_win2k_hack:
3624 win2k_install_hack = 1;
3625 break;
3626 case QEMU_OPTION_rtc_td_hack: {
3627 static GlobalProperty slew_lost_ticks[] = {
3628 {
3629 .driver = "mc146818rtc",
3630 .property = "lost_tick_policy",
3631 .value = "slew",
3632 },
3633 { /* end of list */ }
3634 };
3635
3636 qdev_prop_register_global_list(slew_lost_ticks);
3637 break;
3638 }
3639 case QEMU_OPTION_acpitable:
3640 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3641 optarg, true);
3642 if (!opts) {
3643 exit(1);
3644 }
3645 do_acpitable_option(opts);
3646 break;
3647 case QEMU_OPTION_smbios:
3648 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3649 optarg, false);
3650 if (!opts) {
3651 exit(1);
3652 }
3653 do_smbios_option(opts);
3654 break;
3655 case QEMU_OPTION_fwcfg:
3656 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3657 optarg, true);
3658 if (opts == NULL) {
3659 exit(1);
3660 }
3661 break;
3662 case QEMU_OPTION_enable_kvm:
3663 olist = qemu_find_opts("machine");
3664 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3665 break;
3666 case QEMU_OPTION_M:
3667 case QEMU_OPTION_machine:
3668 olist = qemu_find_opts("machine");
3669 opts = qemu_opts_parse_noisily(olist, optarg, true);
3670 if (!opts) {
3671 exit(1);
3672 }
3673 break;
3674 case QEMU_OPTION_no_kvm:
3675 olist = qemu_find_opts("machine");
3676 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3677 break;
3678 case QEMU_OPTION_no_kvm_pit: {
3679 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3680 "separately.\n");
3681 break;
3682 }
3683 case QEMU_OPTION_no_kvm_pit_reinjection: {
3684 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3685 {
3686 .driver = "kvm-pit",
3687 .property = "lost_tick_policy",
3688 .value = "discard",
3689 },
3690 { /* end of list */ }
3691 };
3692
3693 fprintf(stderr, "Warning: option deprecated, use "
3694 "lost_tick_policy property of kvm-pit instead.\n");
3695 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3696 break;
3697 }
3698 case QEMU_OPTION_usb:
3699 olist = qemu_find_opts("machine");
3700 qemu_opts_parse_noisily(olist, "usb=on", false);
3701 break;
3702 case QEMU_OPTION_usbdevice:
3703 olist = qemu_find_opts("machine");
3704 qemu_opts_parse_noisily(olist, "usb=on", false);
3705 add_device_config(DEV_USB, optarg);
3706 break;
3707 case QEMU_OPTION_device:
3708 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3709 optarg, true)) {
3710 exit(1);
3711 }
3712 break;
3713 case QEMU_OPTION_smp:
3714 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3715 optarg, true)) {
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_vnc:
3720 {
3721 #ifdef CONFIG_VNC
3722 Error *local_err = NULL;
3723
3724 if (vnc_parse(optarg, &local_err) == NULL) {
3725 error_report_err(local_err);
3726 exit(1);
3727 }
3728 #else
3729 fprintf(stderr, "VNC support is disabled\n");
3730 exit(1);
3731 #endif
3732 break;
3733 }
3734 case QEMU_OPTION_no_acpi:
3735 acpi_enabled = 0;
3736 break;
3737 case QEMU_OPTION_no_hpet:
3738 no_hpet = 1;
3739 break;
3740 case QEMU_OPTION_balloon:
3741 if (balloon_parse(optarg) < 0) {
3742 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3743 exit(1);
3744 }
3745 break;
3746 case QEMU_OPTION_no_reboot:
3747 no_reboot = 1;
3748 break;
3749 case QEMU_OPTION_no_shutdown:
3750 no_shutdown = 1;
3751 break;
3752 case QEMU_OPTION_show_cursor:
3753 cursor_hide = 0;
3754 break;
3755 case QEMU_OPTION_uuid:
3756 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3757 fprintf(stderr, "Fail to parse UUID string."
3758 " Wrong format.\n");
3759 exit(1);
3760 }
3761 qemu_uuid_set = true;
3762 break;
3763 case QEMU_OPTION_option_rom:
3764 if (nb_option_roms >= MAX_OPTION_ROMS) {
3765 fprintf(stderr, "Too many option ROMs\n");
3766 exit(1);
3767 }
3768 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3769 optarg, true);
3770 if (!opts) {
3771 exit(1);
3772 }
3773 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3774 option_rom[nb_option_roms].bootindex =
3775 qemu_opt_get_number(opts, "bootindex", -1);
3776 if (!option_rom[nb_option_roms].name) {
3777 fprintf(stderr, "Option ROM file is not specified\n");
3778 exit(1);
3779 }
3780 nb_option_roms++;
3781 break;
3782 case QEMU_OPTION_semihosting:
3783 semihosting.enabled = true;
3784 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3785 break;
3786 case QEMU_OPTION_semihosting_config:
3787 semihosting.enabled = true;
3788 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3789 optarg, false);
3790 if (opts != NULL) {
3791 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3792 true);
3793 const char *target = qemu_opt_get(opts, "target");
3794 if (target != NULL) {
3795 if (strcmp("native", target) == 0) {
3796 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3797 } else if (strcmp("gdb", target) == 0) {
3798 semihosting.target = SEMIHOSTING_TARGET_GDB;
3799 } else if (strcmp("auto", target) == 0) {
3800 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3801 } else {
3802 fprintf(stderr, "Unsupported semihosting-config"
3803 " %s\n",
3804 optarg);
3805 exit(1);
3806 }
3807 } else {
3808 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3809 }
3810 /* Set semihosting argument count and vector */
3811 qemu_opt_foreach(opts, add_semihosting_arg,
3812 &semihosting, NULL);
3813 } else {
3814 fprintf(stderr, "Unsupported semihosting-config %s\n",
3815 optarg);
3816 exit(1);
3817 }
3818 break;
3819 case QEMU_OPTION_tdf:
3820 fprintf(stderr, "Warning: user space PIT time drift fix "
3821 "is no longer supported.\n");
3822 break;
3823 case QEMU_OPTION_name:
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3825 optarg, true);
3826 if (!opts) {
3827 exit(1);
3828 }
3829 break;
3830 case QEMU_OPTION_prom_env:
3831 if (nb_prom_envs >= MAX_PROM_ENVS) {
3832 fprintf(stderr, "Too many prom variables\n");
3833 exit(1);
3834 }
3835 prom_envs[nb_prom_envs] = optarg;
3836 nb_prom_envs++;
3837 break;
3838 case QEMU_OPTION_old_param:
3839 old_param = 1;
3840 break;
3841 case QEMU_OPTION_clock:
3842 /* Clock options no longer exist. Keep this option for
3843 * backward compatibility.
3844 */
3845 break;
3846 case QEMU_OPTION_startdate:
3847 configure_rtc_date_offset(optarg, 1);
3848 break;
3849 case QEMU_OPTION_rtc:
3850 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3851 false);
3852 if (!opts) {
3853 exit(1);
3854 }
3855 configure_rtc(opts);
3856 break;
3857 case QEMU_OPTION_tb_size:
3858 tcg_tb_size = strtol(optarg, NULL, 0);
3859 if (tcg_tb_size < 0) {
3860 tcg_tb_size = 0;
3861 }
3862 break;
3863 case QEMU_OPTION_icount:
3864 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3865 optarg, true);
3866 if (!icount_opts) {
3867 exit(1);
3868 }
3869 break;
3870 case QEMU_OPTION_incoming:
3871 if (!incoming) {
3872 runstate_set(RUN_STATE_INMIGRATE);
3873 }
3874 incoming = optarg;
3875 break;
3876 case QEMU_OPTION_nodefaults:
3877 has_defaults = 0;
3878 break;
3879 case QEMU_OPTION_xen_domid:
3880 if (!(xen_available())) {
3881 printf("Option %s not supported for this target\n", popt->name);
3882 exit(1);
3883 }
3884 xen_domid = atoi(optarg);
3885 break;
3886 case QEMU_OPTION_xen_create:
3887 if (!(xen_available())) {
3888 printf("Option %s not supported for this target\n", popt->name);
3889 exit(1);
3890 }
3891 xen_mode = XEN_CREATE;
3892 break;
3893 case QEMU_OPTION_xen_attach:
3894 if (!(xen_available())) {
3895 printf("Option %s not supported for this target\n", popt->name);
3896 exit(1);
3897 }
3898 xen_mode = XEN_ATTACH;
3899 break;
3900 case QEMU_OPTION_trace:
3901 {
3902 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3903 optarg, false);
3904 if (!opts) {
3905 exit(1);
3906 }
3907 trace_events = qemu_opt_get(opts, "events");
3908 trace_file = qemu_opt_get(opts, "file");
3909 break;
3910 }
3911 case QEMU_OPTION_readconfig:
3912 {
3913 int ret = qemu_read_config_file(optarg);
3914 if (ret < 0) {
3915 fprintf(stderr, "read config %s: %s\n", optarg,
3916 strerror(-ret));
3917 exit(1);
3918 }
3919 break;
3920 }
3921 case QEMU_OPTION_spice:
3922 olist = qemu_find_opts("spice");
3923 if (!olist) {
3924 fprintf(stderr, "spice is not supported by this qemu build.\n");
3925 exit(1);
3926 }
3927 opts = qemu_opts_parse_noisily(olist, optarg, false);
3928 if (!opts) {
3929 exit(1);
3930 }
3931 display_remote++;
3932 break;
3933 case QEMU_OPTION_writeconfig:
3934 {
3935 FILE *fp;
3936 if (strcmp(optarg, "-") == 0) {
3937 fp = stdout;
3938 } else {
3939 fp = fopen(optarg, "w");
3940 if (fp == NULL) {
3941 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3942 exit(1);
3943 }
3944 }
3945 qemu_config_write(fp);
3946 if (fp != stdout) {
3947 fclose(fp);
3948 }
3949 break;
3950 }
3951 case QEMU_OPTION_qtest:
3952 qtest_chrdev = optarg;
3953 break;
3954 case QEMU_OPTION_qtest_log:
3955 qtest_log = optarg;
3956 break;
3957 case QEMU_OPTION_sandbox:
3958 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3959 optarg, true);
3960 if (!opts) {
3961 exit(1);
3962 }
3963 break;
3964 case QEMU_OPTION_add_fd:
3965 #ifndef _WIN32
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3967 optarg, false);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 #else
3972 error_report("File descriptor passing is disabled on this "
3973 "platform");
3974 exit(1);
3975 #endif
3976 break;
3977 case QEMU_OPTION_object:
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3979 optarg, true);
3980 if (!opts) {
3981 exit(1);
3982 }
3983 break;
3984 case QEMU_OPTION_realtime:
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3986 optarg, false);
3987 if (!opts) {
3988 exit(1);
3989 }
3990 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3991 break;
3992 case QEMU_OPTION_msg:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3994 false);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 configure_msg(opts);
3999 break;
4000 case QEMU_OPTION_dump_vmstate:
4001 if (vmstate_dump_file) {
4002 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4003 "option may be given\n");
4004 exit(1);
4005 }
4006 vmstate_dump_file = fopen(optarg, "w");
4007 if (vmstate_dump_file == NULL) {
4008 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4009 exit(1);
4010 }
4011 break;
4012 default:
4013 os_parse_cmd_args(popt->index, optarg);
4014 }
4015 }
4016 }
4017
4018 opts = qemu_get_machine_opts();
4019 optarg = qemu_opt_get(opts, "type");
4020 if (optarg) {
4021 machine_class = machine_parse(optarg);
4022 }
4023
4024 if (machine_class == NULL) {
4025 fprintf(stderr, "No machine specified, and there is no default.\n"
4026 "Use -machine help to list supported machines!\n");
4027 exit(1);
4028 }
4029
4030 set_memory_options(&ram_slots, &maxram_size, machine_class);
4031
4032 loc_set_none();
4033
4034 os_daemonize();
4035
4036 if (qemu_init_main_loop(&main_loop_err)) {
4037 error_report_err(main_loop_err);
4038 exit(1);
4039 }
4040
4041 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4042 parse_sandbox, NULL, NULL)) {
4043 exit(1);
4044 }
4045
4046 if (qemu_opts_foreach(qemu_find_opts("name"),
4047 parse_name, NULL, NULL)) {
4048 exit(1);
4049 }
4050
4051 #ifndef _WIN32
4052 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4053 parse_add_fd, NULL, NULL)) {
4054 exit(1);
4055 }
4056
4057 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4058 cleanup_add_fd, NULL, NULL)) {
4059 exit(1);
4060 }
4061 #endif
4062
4063 current_machine = MACHINE(object_new(object_class_get_name(
4064 OBJECT_CLASS(machine_class))));
4065 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4066 exit(0);
4067 }
4068 object_property_add_child(object_get_root(), "machine",
4069 OBJECT(current_machine), &error_abort);
4070 cpu_exec_init_all();
4071
4072 if (machine_class->hw_version) {
4073 qemu_set_version(machine_class->hw_version);
4074 }
4075
4076 /* Init CPU def lists, based on config
4077 * - Must be called after all the qemu_read_config_file() calls
4078 * - Must be called before list_cpus()
4079 * - Must be called before machine->init()
4080 */
4081 cpudef_init();
4082
4083 if (cpu_model && is_help_option(cpu_model)) {
4084 list_cpus(stdout, &fprintf, cpu_model);
4085 exit(0);
4086 }
4087
4088 /* Open the logfile at this point and set the log mask if necessary.
4089 */
4090 if (log_file) {
4091 qemu_set_log_filename(log_file);
4092 }
4093
4094 if (log_mask) {
4095 int mask;
4096 mask = qemu_str_to_log_mask(log_mask);
4097 if (!mask) {
4098 qemu_print_log_usage(stdout);
4099 exit(1);
4100 }
4101 qemu_set_log(mask);
4102 }
4103
4104 if (!is_daemonized()) {
4105 if (!trace_init_backends(trace_events, trace_file)) {
4106 exit(1);
4107 }
4108 }
4109
4110 /* If no data_dir is specified then try to find it relative to the
4111 executable path. */
4112 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4113 data_dir[data_dir_idx] = os_find_datadir();
4114 if (data_dir[data_dir_idx] != NULL) {
4115 data_dir_idx++;
4116 }
4117 }
4118 /* If all else fails use the install path specified when building. */
4119 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4120 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4121 }
4122
4123 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4124
4125 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4126 if (max_cpus > machine_class->max_cpus) {
4127 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4128 "supported by machine `%s' (%d)\n", max_cpus,
4129 machine_class->name, machine_class->max_cpus);
4130 exit(1);
4131 }
4132
4133 /*
4134 * Get the default machine options from the machine if it is not already
4135 * specified either by the configuration file or by the command line.
4136 */
4137 if (machine_class->default_machine_opts) {
4138 qemu_opts_set_defaults(qemu_find_opts("machine"),
4139 machine_class->default_machine_opts, 0);
4140 }
4141
4142 qemu_opts_foreach(qemu_find_opts("device"),
4143 default_driver_check, NULL, NULL);
4144 qemu_opts_foreach(qemu_find_opts("global"),
4145 default_driver_check, NULL, NULL);
4146
4147 if (!vga_model && !default_vga) {
4148 vga_interface_type = VGA_DEVICE;
4149 }
4150 if (!has_defaults || machine_class->no_serial) {
4151 default_serial = 0;
4152 }
4153 if (!has_defaults || machine_class->no_parallel) {
4154 default_parallel = 0;
4155 }
4156 if (!has_defaults || !machine_class->use_virtcon) {
4157 default_virtcon = 0;
4158 }
4159 if (!has_defaults || !machine_class->use_sclp) {
4160 default_sclp = 0;
4161 }
4162 if (!has_defaults || machine_class->no_floppy) {
4163 default_floppy = 0;
4164 }
4165 if (!has_defaults || machine_class->no_cdrom) {
4166 default_cdrom = 0;
4167 }
4168 if (!has_defaults || machine_class->no_sdcard) {
4169 default_sdcard = 0;
4170 }
4171 if (!has_defaults) {
4172 default_monitor = 0;
4173 default_net = 0;
4174 default_vga = 0;
4175 }
4176
4177 if (is_daemonized()) {
4178 /* According to documentation and historically, -nographic redirects
4179 * serial port, parallel port and monitor to stdio, which does not work
4180 * with -daemonize. We can redirect these to null instead, but since
4181 * -nographic is legacy, let's just error out.
4182 * We disallow -nographic only if all other ports are not redirected
4183 * explicitly, to not break existing legacy setups which uses
4184 * -nographic _and_ redirects all ports explicitly - this is valid
4185 * usage, -nographic is just a no-op in this case.
4186 */
4187 if (display_type == DT_NOGRAPHIC
4188 && (default_parallel || default_serial
4189 || default_monitor || default_virtcon)) {
4190 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4191 exit(1);
4192 }
4193 #ifdef CONFIG_CURSES
4194 if (display_type == DT_CURSES) {
4195 fprintf(stderr, "curses display can not be used with -daemonize\n");
4196 exit(1);
4197 }
4198 #endif
4199 }
4200
4201 if (display_type == DT_NOGRAPHIC) {
4202 if (default_parallel)
4203 add_device_config(DEV_PARALLEL, "null");
4204 if (default_serial && default_monitor) {
4205 add_device_config(DEV_SERIAL, "mon:stdio");
4206 } else if (default_virtcon && default_monitor) {
4207 add_device_config(DEV_VIRTCON, "mon:stdio");
4208 } else if (default_sclp && default_monitor) {
4209 add_device_config(DEV_SCLP, "mon:stdio");
4210 } else {
4211 if (default_serial)
4212 add_device_config(DEV_SERIAL, "stdio");
4213 if (default_virtcon)
4214 add_device_config(DEV_VIRTCON, "stdio");
4215 if (default_sclp) {
4216 add_device_config(DEV_SCLP, "stdio");
4217 }
4218 if (default_monitor)
4219 monitor_parse("stdio", "readline", false);
4220 }
4221 } else {
4222 if (default_serial)
4223 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4224 if (default_parallel)
4225 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4226 if (default_monitor)
4227 monitor_parse("vc:80Cx24C", "readline", false);
4228 if (default_virtcon)
4229 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4230 if (default_sclp) {
4231 add_device_config(DEV_SCLP, "vc:80Cx24C");
4232 }
4233 }
4234
4235 #if defined(CONFIG_VNC)
4236 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4237 display_remote++;
4238 }
4239 #endif
4240 if (display_type == DT_DEFAULT && !display_remote) {
4241 #if defined(CONFIG_GTK)
4242 display_type = DT_GTK;
4243 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4244 display_type = DT_SDL;
4245 #elif defined(CONFIG_VNC)
4246 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4247 show_vnc_port = 1;
4248 #else
4249 display_type = DT_NONE;
4250 #endif
4251 }
4252
4253 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4254 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4255 "for SDL, ignoring option\n");
4256 }
4257 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4258 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4259 "ignoring option\n");
4260 }
4261
4262 #if defined(CONFIG_GTK)
4263 if (display_type == DT_GTK) {
4264 early_gtk_display_init(request_opengl);
4265 }
4266 #endif
4267 #if defined(CONFIG_SDL)
4268 if (display_type == DT_SDL) {
4269 sdl_display_early_init(request_opengl);
4270 }
4271 #endif
4272 if (request_opengl == 1 && display_opengl == 0) {
4273 #if defined(CONFIG_OPENGL)
4274 fprintf(stderr, "OpenGL is not supported by the display.\n");
4275 #else
4276 fprintf(stderr, "QEMU was built without opengl support.\n");
4277 #endif
4278 exit(1);
4279 }
4280
4281 socket_init();
4282
4283 if (qemu_opts_foreach(qemu_find_opts("object"),
4284 object_create,
4285 object_create_initial, NULL)) {
4286 exit(1);
4287 }
4288
4289 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4290 chardev_init_func, NULL, NULL)) {
4291 exit(1);
4292 }
4293
4294 #ifdef CONFIG_VIRTFS
4295 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4296 fsdev_init_func, NULL, NULL)) {
4297 exit(1);
4298 }
4299 #endif
4300
4301 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4302 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4303 exit(1);
4304 }
4305
4306 if (qemu_opts_foreach(qemu_find_opts("device"),
4307 device_help_func, NULL, NULL)) {
4308 exit(0);
4309 }
4310
4311 if (qemu_opts_foreach(qemu_find_opts("object"),
4312 object_create,
4313 object_create_delayed, NULL)) {
4314 exit(1);
4315 }
4316
4317 machine_opts = qemu_get_machine_opts();
4318 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4319 NULL)) {
4320 object_unref(OBJECT(current_machine));
4321 exit(1);
4322 }
4323
4324 configure_accelerator(current_machine);
4325
4326 if (qtest_chrdev) {
4327 Error *local_err = NULL;
4328 qtest_init(qtest_chrdev, qtest_log, &local_err);
4329 if (local_err) {
4330 error_report_err(local_err);
4331 exit(1);
4332 }
4333 }
4334
4335 machine_opts = qemu_get_machine_opts();
4336 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4337 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4338 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4339 bios_name = qemu_opt_get(machine_opts, "firmware");
4340
4341 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4342 if (opts) {
4343 Error *local_err = NULL;
4344
4345 boot_order = qemu_opt_get(opts, "order");
4346 if (boot_order) {
4347 validate_bootdevices(boot_order, &local_err);
4348 if (local_err) {
4349 error_report_err(local_err);
4350 exit(1);
4351 }
4352 }
4353
4354 boot_once = qemu_opt_get(opts, "once");
4355 if (boot_once) {
4356 validate_bootdevices(boot_once, &local_err);
4357 if (local_err) {
4358 error_report_err(local_err);
4359 exit(1);
4360 }
4361 }
4362
4363 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4364 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4365 }
4366
4367 if (!boot_order) {
4368 boot_order = machine_class->default_boot_order;
4369 }
4370
4371 if (!kernel_cmdline) {
4372 kernel_cmdline = "";
4373 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4374 }
4375
4376 linux_boot = (kernel_filename != NULL);
4377
4378 if (!linux_boot && *kernel_cmdline != '\0') {
4379 fprintf(stderr, "-append only allowed with -kernel option\n");
4380 exit(1);
4381 }
4382
4383 if (!linux_boot && initrd_filename != NULL) {
4384 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4385 exit(1);
4386 }
4387
4388 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4389 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4390 exit(1);
4391 }
4392
4393 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4394 /* fall back to the -kernel/-append */
4395 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4396 }
4397
4398 os_set_line_buffering();
4399
4400 #ifdef CONFIG_SPICE
4401 /* spice needs the timers to be initialized by this point */
4402 qemu_spice_init();
4403 #endif
4404
4405 cpu_ticks_init();
4406 if (icount_opts) {
4407 if (kvm_enabled() || xen_enabled()) {
4408 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4409 exit(1);
4410 }
4411 configure_icount(icount_opts, &error_abort);
4412 qemu_opts_del(icount_opts);
4413 }
4414
4415 /* clean up network at qemu process termination */
4416 atexit(&net_cleanup);
4417
4418 if (net_init_clients() < 0) {
4419 exit(1);
4420 }
4421
4422 #ifdef CONFIG_TPM
4423 if (tpm_init() < 0) {
4424 exit(1);
4425 }
4426 #endif
4427
4428 /* init the bluetooth world */
4429 if (foreach_device_config(DEV_BT, bt_parse))
4430 exit(1);
4431
4432 if (!xen_enabled()) {
4433 /* On 32-bit hosts, QEMU is limited by virtual address space */
4434 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4435 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4436 exit(1);
4437 }
4438 }
4439
4440 blk_mig_init();
4441 ram_mig_init();
4442
4443 /* If the currently selected machine wishes to override the units-per-bus
4444 * property of its default HBA interface type, do so now. */
4445 if (machine_class->units_per_default_bus) {
4446 override_max_devs(machine_class->block_default_type,
4447 machine_class->units_per_default_bus);
4448 }
4449
4450 /* open the virtual block devices */
4451 if (snapshot)
4452 qemu_opts_foreach(qemu_find_opts("drive"),
4453 drive_enable_snapshot, NULL, NULL);
4454 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4455 &machine_class->block_default_type, NULL)) {
4456 exit(1);
4457 }
4458
4459 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4460 CDROM_OPTS);
4461 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4462 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4463
4464 parse_numa_opts(machine_class);
4465
4466 if (qemu_opts_foreach(qemu_find_opts("mon"),
4467 mon_init_func, NULL, NULL)) {
4468 exit(1);
4469 }
4470
4471 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4472 exit(1);
4473 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4474 exit(1);
4475 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4476 exit(1);
4477 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4478 exit(1);
4479 }
4480 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4481 exit(1);
4482
4483 /* If no default VGA is requested, the default is "none". */
4484 if (default_vga) {
4485 if (machine_class->default_display) {
4486 vga_model = machine_class->default_display;
4487 } else if (cirrus_vga_available()) {
4488 vga_model = "cirrus";
4489 } else if (vga_available()) {
4490 vga_model = "std";
4491 }
4492 }
4493 if (vga_model) {
4494 select_vgahw(vga_model);
4495 }
4496
4497 if (watchdog) {
4498 i = select_watchdog(watchdog);
4499 if (i > 0)
4500 exit (i == 1 ? 1 : 0);
4501 }
4502
4503 if (machine_class->compat_props) {
4504 qdev_prop_register_global_list(machine_class->compat_props);
4505 }
4506 qemu_add_globals();
4507
4508 qdev_machine_init();
4509
4510 current_machine->ram_size = ram_size;
4511 current_machine->maxram_size = maxram_size;
4512 current_machine->ram_slots = ram_slots;
4513 current_machine->boot_order = boot_order;
4514 current_machine->cpu_model = cpu_model;
4515
4516 machine_class->init(current_machine);
4517
4518 realtime_init();
4519
4520 audio_init();
4521
4522 cpu_synchronize_all_post_init();
4523
4524 numa_post_machine_init();
4525
4526 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4527 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4528 exit(1);
4529 }
4530
4531 /* init USB devices */
4532 if (usb_enabled()) {
4533 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4534 exit(1);
4535 }
4536
4537 /* init generic devices */
4538 if (qemu_opts_foreach(qemu_find_opts("device"),
4539 device_init_func, NULL, NULL)) {
4540 exit(1);
4541 }
4542
4543 /* Did we create any drives that we failed to create a device for? */
4544 drive_check_orphaned();
4545
4546 net_check_clients();
4547
4548 if (boot_once) {
4549 Error *local_err = NULL;
4550 qemu_boot_set(boot_once, &local_err);
4551 if (local_err) {
4552 error_report("%s", error_get_pretty(local_err));
4553 exit(1);
4554 }
4555 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4556 }
4557
4558 ds = init_displaystate();
4559
4560 /* init local displays */
4561 switch (display_type) {
4562 case DT_NOGRAPHIC:
4563 (void)ds; /* avoid warning if no display is configured */
4564 break;
4565 #if defined(CONFIG_CURSES)
4566 case DT_CURSES:
4567 curses_display_init(ds, full_screen);
4568 break;
4569 #endif
4570 #if defined(CONFIG_SDL)
4571 case DT_SDL:
4572 sdl_display_init(ds, full_screen, no_frame);
4573 break;
4574 #elif defined(CONFIG_COCOA)
4575 case DT_SDL:
4576 cocoa_display_init(ds, full_screen);
4577 break;
4578 #endif
4579 #if defined(CONFIG_GTK)
4580 case DT_GTK:
4581 gtk_display_init(ds, full_screen, grab_on_hover);
4582 break;
4583 #endif
4584 default:
4585 break;
4586 }
4587
4588 /* must be after terminal init, SDL library changes signal handlers */
4589 os_setup_signal_handling();
4590
4591 #ifdef CONFIG_VNC
4592 /* init remote displays */
4593 qemu_opts_foreach(qemu_find_opts("vnc"),
4594 vnc_init_func, NULL, NULL);
4595 if (show_vnc_port) {
4596 char *ret = vnc_display_local_addr("default");
4597 printf("VNC server running on `%s'\n", ret);
4598 g_free(ret);
4599 }
4600 #endif
4601 #ifdef CONFIG_SPICE
4602 if (using_spice) {
4603 qemu_spice_display_init();
4604 }
4605 #endif
4606
4607 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4608 exit(1);
4609 }
4610
4611 qdev_machine_creation_done();
4612
4613 /* TODO: once all bus devices are qdevified, this should be done
4614 * when bus is created by qdev.c */
4615 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4616 qemu_run_machine_init_done_notifiers();
4617
4618 if (rom_check_and_register_reset() != 0) {
4619 fprintf(stderr, "rom check and register reset failed\n");
4620 exit(1);
4621 }
4622
4623 qemu_system_reset(VMRESET_SILENT);
4624 register_global_state();
4625 if (loadvm) {
4626 if (load_vmstate(loadvm) < 0) {
4627 autostart = 0;
4628 }
4629 }
4630
4631 qdev_prop_check_globals();
4632 if (vmstate_dump_file) {
4633 /* dump and exit */
4634 dump_vmstate_json_to_file(vmstate_dump_file);
4635 return 0;
4636 }
4637
4638 if (incoming) {
4639 Error *local_err = NULL;
4640 qemu_start_incoming_migration(incoming, &local_err);
4641 if (local_err) {
4642 error_report("-incoming %s: %s", incoming,
4643 error_get_pretty(local_err));
4644 error_free(local_err);
4645 exit(1);
4646 }
4647 } else if (autostart) {
4648 vm_start();
4649 }
4650
4651 os_setup_post();
4652
4653 if (is_daemonized()) {
4654 if (!trace_init_backends(trace_events, trace_file)) {
4655 exit(1);
4656 }
4657 }
4658
4659 main_loop();
4660 bdrv_close_all();
4661 pause_all_vcpus();
4662 res_free();
4663 #ifdef CONFIG_TPM
4664 tpm_cleanup();
4665 #endif
4666
4667 return 0;
4668 }
AR7 emulation for QEMU