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MAINTAINERS: add ACPI entry
[qemu/ar7.git] / vl.c
blob0c2208f723af3c14a369eeb6d1da786ccb0d7de6
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/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122 #include "exec/semihost.h"
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 int request_opengl = -1;
133 int display_opengl;
134 static int display_remote;
135 const char* keyboard_layout = NULL;
136 ram_addr_t ram_size;
137 const char *mem_path = NULL;
138 int mem_prealloc = 0; /* force preallocation of physical target memory */
139 bool enable_mlock = false;
140 int nb_nics;
141 NICInfo nd_table[MAX_NICS];
142 int autostart;
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
149 int no_quit = 0;
150 #ifdef CONFIG_GTK
151 static bool grab_on_hover;
152 #endif
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
158 int singlestep = 0;
159 int smp_cpus = 1;
160 int max_cpus = 0;
161 int smp_cores = 1;
162 int smp_threads = 1;
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_trace_opts = {
269 .name = "trace",
270 .implied_opt_name = "trace",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
272 .desc = {
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_semihosting_config_opts = {
481 .name = "semihosting-config",
482 .implied_opt_name = "enable",
483 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
484 .desc = {
485 {
486 .name = "enable",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "target",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "arg",
493 .type = QEMU_OPT_STRING,
494 },
495 { /* end of list */ }
496 },
497 };
498
499 static QemuOptsList qemu_fw_cfg_opts = {
500 .name = "fw_cfg",
501 .implied_opt_name = "name",
502 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
503 .desc = {
504 {
505 .name = "name",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets the fw_cfg name of the blob to be inserted",
508 }, {
509 .name = "file",
510 .type = QEMU_OPT_STRING,
511 .help = "Sets the name of the file from which\n"
512 "the fw_cfg blob will be loaded",
513 },
514 { /* end of list */ }
515 },
516 };
517
518 /**
519 * Get machine options
520 *
521 * Returns: machine options (never null).
522 */
523 QemuOpts *qemu_get_machine_opts(void)
524 {
525 return qemu_find_opts_singleton("machine");
526 }
527
528 const char *qemu_get_vm_name(void)
529 {
530 return qemu_name;
531 }
532
533 static void res_free(void)
534 {
535 if (boot_splash_filedata != NULL) {
536 g_free(boot_splash_filedata);
537 boot_splash_filedata = NULL;
538 }
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
577
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
580
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
583
584 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
585 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
591 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
593
594 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
598
599 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
600 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
603 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
605 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
607 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
608 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
609
610 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
611
612 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
613 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
614
615 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
616 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
617 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
618 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
621 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_MAX, RUN_STATE_MAX },
627 };
628
629 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
630
631 bool runstate_check(RunState state)
632 {
633 return current_run_state == state;
634 }
635
636 static void runstate_init(void)
637 {
638 const RunStateTransition *p;
639
640 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
641 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
642 runstate_valid_transitions[p->from][p->to] = true;
643 }
644
645 qemu_mutex_init(&vmstop_lock);
646 }
647
648 /* This function will abort() on invalid state transitions */
649 void runstate_set(RunState new_state)
650 {
651 assert(new_state < RUN_STATE_MAX);
652
653 if (!runstate_valid_transitions[current_run_state][new_state]) {
654 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
655 RunState_lookup[current_run_state],
656 RunState_lookup[new_state]);
657 abort();
658 }
659 trace_runstate_set(new_state);
660 current_run_state = new_state;
661 }
662
663 int runstate_is_running(void)
664 {
665 return runstate_check(RUN_STATE_RUNNING);
666 }
667
668 bool runstate_needs_reset(void)
669 {
670 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
671 runstate_check(RUN_STATE_SHUTDOWN);
672 }
673
674 StatusInfo *qmp_query_status(Error **errp)
675 {
676 StatusInfo *info = g_malloc0(sizeof(*info));
677
678 info->running = runstate_is_running();
679 info->singlestep = singlestep;
680 info->status = current_run_state;
681
682 return info;
683 }
684
685 static bool qemu_vmstop_requested(RunState *r)
686 {
687 qemu_mutex_lock(&vmstop_lock);
688 *r = vmstop_requested;
689 vmstop_requested = RUN_STATE_MAX;
690 qemu_mutex_unlock(&vmstop_lock);
691 return *r < RUN_STATE_MAX;
692 }
693
694 void qemu_system_vmstop_request_prepare(void)
695 {
696 qemu_mutex_lock(&vmstop_lock);
697 }
698
699 void qemu_system_vmstop_request(RunState state)
700 {
701 vmstop_requested = state;
702 qemu_mutex_unlock(&vmstop_lock);
703 qemu_notify_event();
704 }
705
706 void vm_start(void)
707 {
708 RunState requested;
709
710 qemu_vmstop_requested(&requested);
711 if (runstate_is_running() && requested == RUN_STATE_MAX) {
712 return;
713 }
714
715 /* Ensure that a STOP/RESUME pair of events is emitted if a
716 * vmstop request was pending. The BLOCK_IO_ERROR event, for
717 * example, according to documentation is always followed by
718 * the STOP event.
719 */
720 if (runstate_is_running()) {
721 qapi_event_send_stop(&error_abort);
722 } else {
723 cpu_enable_ticks();
724 runstate_set(RUN_STATE_RUNNING);
725 vm_state_notify(1, RUN_STATE_RUNNING);
726 resume_all_vcpus();
727 }
728
729 qapi_event_send_resume(&error_abort);
730 }
731
732
733 /***********************************************************/
734 /* real time host monotonic timer */
735
736 static time_t qemu_time(void)
737 {
738 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
739 }
740
741 /***********************************************************/
742 /* host time/date access */
743 void qemu_get_timedate(struct tm *tm, int offset)
744 {
745 time_t ti = qemu_time();
746
747 ti += offset;
748 if (rtc_date_offset == -1) {
749 if (rtc_utc)
750 gmtime_r(&ti, tm);
751 else
752 localtime_r(&ti, tm);
753 } else {
754 ti -= rtc_date_offset;
755 gmtime_r(&ti, tm);
756 }
757 }
758
759 int qemu_timedate_diff(struct tm *tm)
760 {
761 time_t seconds;
762
763 if (rtc_date_offset == -1)
764 if (rtc_utc)
765 seconds = mktimegm(tm);
766 else {
767 struct tm tmp = *tm;
768 tmp.tm_isdst = -1; /* use timezone to figure it out */
769 seconds = mktime(&tmp);
770 }
771 else
772 seconds = mktimegm(tm) + rtc_date_offset;
773
774 return seconds - qemu_time();
775 }
776
777 static void configure_rtc_date_offset(const char *startdate, int legacy)
778 {
779 time_t rtc_start_date;
780 struct tm tm;
781
782 if (!strcmp(startdate, "now") && legacy) {
783 rtc_date_offset = -1;
784 } else {
785 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
786 &tm.tm_year,
787 &tm.tm_mon,
788 &tm.tm_mday,
789 &tm.tm_hour,
790 &tm.tm_min,
791 &tm.tm_sec) == 6) {
792 /* OK */
793 } else if (sscanf(startdate, "%d-%d-%d",
794 &tm.tm_year,
795 &tm.tm_mon,
796 &tm.tm_mday) == 3) {
797 tm.tm_hour = 0;
798 tm.tm_min = 0;
799 tm.tm_sec = 0;
800 } else {
801 goto date_fail;
802 }
803 tm.tm_year -= 1900;
804 tm.tm_mon--;
805 rtc_start_date = mktimegm(&tm);
806 if (rtc_start_date == -1) {
807 date_fail:
808 fprintf(stderr, "Invalid date format. Valid formats are:\n"
809 "'2006-06-17T16:01:21' or '2006-06-17'\n");
810 exit(1);
811 }
812 rtc_date_offset = qemu_time() - rtc_start_date;
813 }
814 }
815
816 static void configure_rtc(QemuOpts *opts)
817 {
818 const char *value;
819
820 value = qemu_opt_get(opts, "base");
821 if (value) {
822 if (!strcmp(value, "utc")) {
823 rtc_utc = 1;
824 } else if (!strcmp(value, "localtime")) {
825 rtc_utc = 0;
826 } else {
827 configure_rtc_date_offset(value, 0);
828 }
829 }
830 value = qemu_opt_get(opts, "clock");
831 if (value) {
832 if (!strcmp(value, "host")) {
833 rtc_clock = QEMU_CLOCK_HOST;
834 } else if (!strcmp(value, "rt")) {
835 rtc_clock = QEMU_CLOCK_REALTIME;
836 } else if (!strcmp(value, "vm")) {
837 rtc_clock = QEMU_CLOCK_VIRTUAL;
838 } else {
839 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
840 exit(1);
841 }
842 }
843 value = qemu_opt_get(opts, "driftfix");
844 if (value) {
845 if (!strcmp(value, "slew")) {
846 static GlobalProperty slew_lost_ticks[] = {
847 {
848 .driver = "mc146818rtc",
849 .property = "lost_tick_policy",
850 .value = "slew",
851 },
852 { /* end of list */ }
853 };
854
855 qdev_prop_register_global_list(slew_lost_ticks);
856 } else if (!strcmp(value, "none")) {
857 /* discard is default */
858 } else {
859 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
860 exit(1);
861 }
862 }
863 }
864
865 /***********************************************************/
866 /* Bluetooth support */
867 static int nb_hcis;
868 static int cur_hci;
869 static struct HCIInfo *hci_table[MAX_NICS];
870
871 struct HCIInfo *qemu_next_hci(void)
872 {
873 if (cur_hci == nb_hcis)
874 return &null_hci;
875
876 return hci_table[cur_hci++];
877 }
878
879 static int bt_hci_parse(const char *str)
880 {
881 struct HCIInfo *hci;
882 bdaddr_t bdaddr;
883
884 if (nb_hcis >= MAX_NICS) {
885 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
886 return -1;
887 }
888
889 hci = hci_init(str);
890 if (!hci)
891 return -1;
892
893 bdaddr.b[0] = 0x52;
894 bdaddr.b[1] = 0x54;
895 bdaddr.b[2] = 0x00;
896 bdaddr.b[3] = 0x12;
897 bdaddr.b[4] = 0x34;
898 bdaddr.b[5] = 0x56 + nb_hcis;
899 hci->bdaddr_set(hci, bdaddr.b);
900
901 hci_table[nb_hcis++] = hci;
902
903 return 0;
904 }
905
906 static void bt_vhci_add(int vlan_id)
907 {
908 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
909
910 if (!vlan->slave)
911 fprintf(stderr, "qemu: warning: adding a VHCI to "
912 "an empty scatternet %i\n", vlan_id);
913
914 bt_vhci_init(bt_new_hci(vlan));
915 }
916
917 static struct bt_device_s *bt_device_add(const char *opt)
918 {
919 struct bt_scatternet_s *vlan;
920 int vlan_id = 0;
921 char *endp = strstr(opt, ",vlan=");
922 int len = (endp ? endp - opt : strlen(opt)) + 1;
923 char devname[10];
924
925 pstrcpy(devname, MIN(sizeof(devname), len), opt);
926
927 if (endp) {
928 vlan_id = strtol(endp + 6, &endp, 0);
929 if (*endp) {
930 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
931 return 0;
932 }
933 }
934
935 vlan = qemu_find_bt_vlan(vlan_id);
936
937 if (!vlan->slave)
938 fprintf(stderr, "qemu: warning: adding a slave device to "
939 "an empty scatternet %i\n", vlan_id);
940
941 if (!strcmp(devname, "keyboard"))
942 return bt_keyboard_init(vlan);
943
944 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
945 return 0;
946 }
947
948 static int bt_parse(const char *opt)
949 {
950 const char *endp, *p;
951 int vlan;
952
953 if (strstart(opt, "hci", &endp)) {
954 if (!*endp || *endp == ',') {
955 if (*endp)
956 if (!strstart(endp, ",vlan=", 0))
957 opt = endp + 1;
958
959 return bt_hci_parse(opt);
960 }
961 } else if (strstart(opt, "vhci", &endp)) {
962 if (!*endp || *endp == ',') {
963 if (*endp) {
964 if (strstart(endp, ",vlan=", &p)) {
965 vlan = strtol(p, (char **) &endp, 0);
966 if (*endp) {
967 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
968 return 1;
969 }
970 } else {
971 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
972 return 1;
973 }
974 } else
975 vlan = 0;
976
977 bt_vhci_add(vlan);
978 return 0;
979 }
980 } else if (strstart(opt, "device:", &endp))
981 return !bt_device_add(endp);
982
983 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
984 return 1;
985 }
986
987 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
988 {
989 /* FIXME: change this to true for 1.3 */
990 if (qemu_opt_get_bool(opts, "enable", false)) {
991 #ifdef CONFIG_SECCOMP
992 if (seccomp_start() < 0) {
993 qerror_report(ERROR_CLASS_GENERIC_ERROR,
994 "failed to install seccomp syscall filter in the kernel");
995 return -1;
996 }
997 #else
998 qerror_report(ERROR_CLASS_GENERIC_ERROR,
999 "sandboxing request but seccomp is not compiled into this build");
1000 return -1;
1001 #endif
1002 }
1003
1004 return 0;
1005 }
1006
1007 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1008 {
1009 const char *proc_name;
1010
1011 if (qemu_opt_get(opts, "debug-threads")) {
1012 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1013 }
1014 qemu_name = qemu_opt_get(opts, "guest");
1015
1016 proc_name = qemu_opt_get(opts, "process");
1017 if (proc_name) {
1018 os_set_proc_name(proc_name);
1019 }
1020
1021 return 0;
1022 }
1023
1024 bool defaults_enabled(void)
1025 {
1026 return has_defaults;
1027 }
1028
1029 bool usb_enabled(void)
1030 {
1031 return machine_usb(current_machine);
1032 }
1033
1034 #ifndef _WIN32
1035 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1036 {
1037 int fd, dupfd, flags;
1038 int64_t fdset_id;
1039 const char *fd_opaque = NULL;
1040 AddfdInfo *fdinfo;
1041
1042 fd = qemu_opt_get_number(opts, "fd", -1);
1043 fdset_id = qemu_opt_get_number(opts, "set", -1);
1044 fd_opaque = qemu_opt_get(opts, "opaque");
1045
1046 if (fd < 0) {
1047 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1048 "fd option is required and must be non-negative");
1049 return -1;
1050 }
1051
1052 if (fd <= STDERR_FILENO) {
1053 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1054 "fd cannot be a standard I/O stream");
1055 return -1;
1056 }
1057
1058 /*
1059 * All fds inherited across exec() necessarily have FD_CLOEXEC
1060 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1061 */
1062 flags = fcntl(fd, F_GETFD);
1063 if (flags == -1 || (flags & FD_CLOEXEC)) {
1064 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1065 "fd is not valid or already in use");
1066 return -1;
1067 }
1068
1069 if (fdset_id < 0) {
1070 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1071 "set option is required and must be non-negative");
1072 return -1;
1073 }
1074
1075 #ifdef F_DUPFD_CLOEXEC
1076 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1077 #else
1078 dupfd = dup(fd);
1079 if (dupfd != -1) {
1080 qemu_set_cloexec(dupfd);
1081 }
1082 #endif
1083 if (dupfd == -1) {
1084 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1085 "Error duplicating fd: %s", strerror(errno));
1086 return -1;
1087 }
1088
1089 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1090 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1091 &error_abort);
1092 g_free(fdinfo);
1093
1094 return 0;
1095 }
1096
1097 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1098 {
1099 int fd;
1100
1101 fd = qemu_opt_get_number(opts, "fd", -1);
1102 close(fd);
1103
1104 return 0;
1105 }
1106 #endif
1107
1108 /***********************************************************/
1109 /* QEMU Block devices */
1110
1111 #define HD_OPTS "media=disk"
1112 #define CDROM_OPTS "media=cdrom"
1113 #define FD_OPTS ""
1114 #define PFLASH_OPTS ""
1115 #define MTD_OPTS ""
1116 #define SD_OPTS ""
1117
1118 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1119 {
1120 BlockInterfaceType *block_default_type = opaque;
1121
1122 return drive_new(opts, *block_default_type) == NULL;
1123 }
1124
1125 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1126 {
1127 if (qemu_opt_get(opts, "snapshot") == NULL) {
1128 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1129 }
1130 return 0;
1131 }
1132
1133 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1134 int index, const char *optstr)
1135 {
1136 QemuOpts *opts;
1137 DriveInfo *dinfo;
1138
1139 if (!enable || drive_get_by_index(type, index)) {
1140 return;
1141 }
1142
1143 opts = drive_add(type, index, NULL, optstr);
1144 if (snapshot) {
1145 drive_enable_snapshot(NULL, opts, NULL);
1146 }
1147
1148 dinfo = drive_new(opts, type);
1149 if (!dinfo) {
1150 exit(1);
1151 }
1152 dinfo->is_default = true;
1153
1154 }
1155
1156 static QemuOptsList qemu_smp_opts = {
1157 .name = "smp-opts",
1158 .implied_opt_name = "cpus",
1159 .merge_lists = true,
1160 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1161 .desc = {
1162 {
1163 .name = "cpus",
1164 .type = QEMU_OPT_NUMBER,
1165 }, {
1166 .name = "sockets",
1167 .type = QEMU_OPT_NUMBER,
1168 }, {
1169 .name = "cores",
1170 .type = QEMU_OPT_NUMBER,
1171 }, {
1172 .name = "threads",
1173 .type = QEMU_OPT_NUMBER,
1174 }, {
1175 .name = "maxcpus",
1176 .type = QEMU_OPT_NUMBER,
1177 },
1178 { /*End of list */ }
1179 },
1180 };
1181
1182 static void smp_parse(QemuOpts *opts)
1183 {
1184 if (opts) {
1185
1186 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1187 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1188 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1189 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1190
1191 /* compute missing values, prefer sockets over cores over threads */
1192 if (cpus == 0 || sockets == 0) {
1193 sockets = sockets > 0 ? sockets : 1;
1194 cores = cores > 0 ? cores : 1;
1195 threads = threads > 0 ? threads : 1;
1196 if (cpus == 0) {
1197 cpus = cores * threads * sockets;
1198 }
1199 } else if (cores == 0) {
1200 threads = threads > 0 ? threads : 1;
1201 cores = cpus / (sockets * threads);
1202 } else if (threads == 0) {
1203 threads = cpus / (cores * sockets);
1204 } else if (sockets * cores * threads < cpus) {
1205 fprintf(stderr, "cpu topology: error: "
1206 "sockets (%u) * cores (%u) * threads (%u) < "
1207 "smp_cpus (%u)\n",
1208 sockets, cores, threads, cpus);
1209 exit(1);
1210 }
1211
1212 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1213
1214 smp_cpus = cpus;
1215 smp_cores = cores > 0 ? cores : 1;
1216 smp_threads = threads > 0 ? threads : 1;
1217
1218 }
1219
1220 if (max_cpus == 0) {
1221 max_cpus = smp_cpus;
1222 }
1223
1224 if (max_cpus > MAX_CPUMASK_BITS) {
1225 fprintf(stderr, "Unsupported number of maxcpus\n");
1226 exit(1);
1227 }
1228 if (max_cpus < smp_cpus) {
1229 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1230 exit(1);
1231 }
1232
1233 }
1234
1235 static void realtime_init(void)
1236 {
1237 if (enable_mlock) {
1238 if (os_mlock() < 0) {
1239 fprintf(stderr, "qemu: locking memory failed\n");
1240 exit(1);
1241 }
1242 }
1243 }
1244
1245
1246 static void configure_msg(QemuOpts *opts)
1247 {
1248 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1249 }
1250
1251 /***********************************************************/
1252 /* Semihosting */
1253
1254 typedef struct SemihostingConfig {
1255 bool enabled;
1256 SemihostingTarget target;
1257 const char **argv;
1258 int argc;
1259 const char *cmdline; /* concatenated argv */
1260 } SemihostingConfig;
1261
1262 static SemihostingConfig semihosting;
1263
1264 bool semihosting_enabled(void)
1265 {
1266 return semihosting.enabled;
1267 }
1268
1269 SemihostingTarget semihosting_get_target(void)
1270 {
1271 return semihosting.target;
1272 }
1273
1274 const char *semihosting_get_arg(int i)
1275 {
1276 if (i >= semihosting.argc) {
1277 return NULL;
1278 }
1279 return semihosting.argv[i];
1280 }
1281
1282 int semihosting_get_argc(void)
1283 {
1284 return semihosting.argc;
1285 }
1286
1287 const char *semihosting_get_cmdline(void)
1288 {
1289 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1290 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1291 }
1292 return semihosting.cmdline;
1293 }
1294
1295 static int add_semihosting_arg(void *opaque,
1296 const char *name, const char *val,
1297 Error **errp)
1298 {
1299 SemihostingConfig *s = opaque;
1300 if (strcmp(name, "arg") == 0) {
1301 s->argc++;
1302 /* one extra element as g_strjoinv() expects NULL-terminated array */
1303 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1304 s->argv[s->argc - 1] = val;
1305 s->argv[s->argc] = NULL;
1306 }
1307 return 0;
1308 }
1309
1310 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1311 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1312 {
1313 char *cmd_token;
1314
1315 /* argv[0] */
1316 add_semihosting_arg(&semihosting, "arg", file, NULL);
1317
1318 /* split -append and initialize argv[1..n] */
1319 cmd_token = strtok(g_strdup(cmd), " ");
1320 while (cmd_token) {
1321 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1322 cmd_token = strtok(NULL, " ");
1323 }
1324 }
1325
1326 /***********************************************************/
1327 /* USB devices */
1328
1329 static int usb_device_add(const char *devname)
1330 {
1331 USBDevice *dev = NULL;
1332 #ifndef CONFIG_LINUX
1333 const char *p;
1334 #endif
1335
1336 if (!usb_enabled()) {
1337 return -1;
1338 }
1339
1340 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1341 dev = usbdevice_create(devname);
1342 if (dev)
1343 goto done;
1344
1345 /* the other ones */
1346 #ifndef CONFIG_LINUX
1347 /* only the linux version is qdev-ified, usb-bsd still needs this */
1348 if (strstart(devname, "host:", &p)) {
1349 dev = usb_host_device_open(usb_bus_find(-1), p);
1350 }
1351 #endif
1352 if (!dev)
1353 return -1;
1354
1355 done:
1356 return 0;
1357 }
1358
1359 static int usb_device_del(const char *devname)
1360 {
1361 int bus_num, addr;
1362 const char *p;
1363
1364 if (strstart(devname, "host:", &p)) {
1365 return -1;
1366 }
1367
1368 if (!usb_enabled()) {
1369 return -1;
1370 }
1371
1372 p = strchr(devname, '.');
1373 if (!p)
1374 return -1;
1375 bus_num = strtoul(devname, NULL, 0);
1376 addr = strtoul(p + 1, NULL, 0);
1377
1378 return usb_device_delete_addr(bus_num, addr);
1379 }
1380
1381 static int usb_parse(const char *cmdline)
1382 {
1383 int r;
1384 r = usb_device_add(cmdline);
1385 if (r < 0) {
1386 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1387 }
1388 return r;
1389 }
1390
1391 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1392 {
1393 const char *devname = qdict_get_str(qdict, "devname");
1394 if (usb_device_add(devname) < 0) {
1395 error_report("could not add USB device '%s'", devname);
1396 }
1397 }
1398
1399 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1400 {
1401 const char *devname = qdict_get_str(qdict, "devname");
1402 if (usb_device_del(devname) < 0) {
1403 error_report("could not delete USB device '%s'", devname);
1404 }
1405 }
1406
1407 /***********************************************************/
1408 /* machine registration */
1409
1410 MachineState *current_machine;
1411
1412 /*
1413 * Transitional class registration/init used for converting from
1414 * legacy QEMUMachine to MachineClass.
1415 */
1416 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1417 {
1418 MachineClass *mc = MACHINE_CLASS(oc);
1419 QEMUMachine *qm = data;
1420 mc->name = qm->name;
1421 mc->desc = qm->desc;
1422 mc->init = qm->init;
1423 mc->kvm_type = qm->kvm_type;
1424 mc->block_default_type = qm->block_default_type;
1425 mc->max_cpus = qm->max_cpus;
1426 mc->no_sdcard = qm->no_sdcard;
1427 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1428 mc->is_default = qm->is_default;
1429 mc->default_machine_opts = qm->default_machine_opts;
1430 mc->default_boot_order = qm->default_boot_order;
1431 }
1432
1433 int qemu_register_machine(QEMUMachine *m)
1434 {
1435 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1436 TypeInfo ti = {
1437 .name = name,
1438 .parent = TYPE_MACHINE,
1439 .class_init = qemu_machine_class_init,
1440 .class_data = (void *)m,
1441 };
1442
1443 type_register(&ti);
1444 g_free(name);
1445
1446 return 0;
1447 }
1448
1449 static MachineClass *find_machine(const char *name)
1450 {
1451 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1452 MachineClass *mc = NULL;
1453
1454 for (el = machines; el; el = el->next) {
1455 MachineClass *temp = el->data;
1456
1457 if (!strcmp(temp->name, name)) {
1458 mc = temp;
1459 break;
1460 }
1461 if (temp->alias &&
1462 !strcmp(temp->alias, name)) {
1463 mc = temp;
1464 break;
1465 }
1466 }
1467
1468 g_slist_free(machines);
1469 return mc;
1470 }
1471
1472 MachineClass *find_default_machine(void)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineClass *mc = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *temp = el->data;
1479
1480 if (temp->is_default) {
1481 mc = temp;
1482 break;
1483 }
1484 }
1485
1486 g_slist_free(machines);
1487 return mc;
1488 }
1489
1490 MachineInfoList *qmp_query_machines(Error **errp)
1491 {
1492 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1493 MachineInfoList *mach_list = NULL;
1494
1495 for (el = machines; el; el = el->next) {
1496 MachineClass *mc = el->data;
1497 MachineInfoList *entry;
1498 MachineInfo *info;
1499
1500 info = g_malloc0(sizeof(*info));
1501 if (mc->is_default) {
1502 info->has_is_default = true;
1503 info->is_default = true;
1504 }
1505
1506 if (mc->alias) {
1507 info->has_alias = true;
1508 info->alias = g_strdup(mc->alias);
1509 }
1510
1511 info->name = g_strdup(mc->name);
1512 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1513
1514 entry = g_malloc0(sizeof(*entry));
1515 entry->value = info;
1516 entry->next = mach_list;
1517 mach_list = entry;
1518 }
1519
1520 g_slist_free(machines);
1521 return mach_list;
1522 }
1523
1524 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1525 {
1526 ObjectProperty *prop;
1527
1528 if (!qemu_opt_has_help_opt(opts)) {
1529 return 0;
1530 }
1531
1532 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1533 if (!prop->set) {
1534 continue;
1535 }
1536
1537 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1538 prop->name, prop->type);
1539 if (prop->description) {
1540 error_printf(" (%s)\n", prop->description);
1541 } else {
1542 error_printf("\n");
1543 }
1544 }
1545
1546 return 1;
1547 }
1548
1549 /***********************************************************/
1550 /* main execution loop */
1551
1552 struct vm_change_state_entry {
1553 VMChangeStateHandler *cb;
1554 void *opaque;
1555 QLIST_ENTRY (vm_change_state_entry) entries;
1556 };
1557
1558 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1559
1560 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1561 void *opaque)
1562 {
1563 VMChangeStateEntry *e;
1564
1565 e = g_malloc0(sizeof (*e));
1566
1567 e->cb = cb;
1568 e->opaque = opaque;
1569 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1570 return e;
1571 }
1572
1573 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1574 {
1575 QLIST_REMOVE (e, entries);
1576 g_free (e);
1577 }
1578
1579 void vm_state_notify(int running, RunState state)
1580 {
1581 VMChangeStateEntry *e, *next;
1582
1583 trace_vm_state_notify(running, state);
1584
1585 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1586 e->cb(e->opaque, running, state);
1587 }
1588 }
1589
1590 /* reset/shutdown handler */
1591
1592 typedef struct QEMUResetEntry {
1593 QTAILQ_ENTRY(QEMUResetEntry) entry;
1594 QEMUResetHandler *func;
1595 void *opaque;
1596 } QEMUResetEntry;
1597
1598 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1599 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1600 static int reset_requested;
1601 static int shutdown_requested, shutdown_signal = -1;
1602 static pid_t shutdown_pid;
1603 static int powerdown_requested;
1604 static int debug_requested;
1605 static int suspend_requested;
1606 static WakeupReason wakeup_reason;
1607 static NotifierList powerdown_notifiers =
1608 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1609 static NotifierList suspend_notifiers =
1610 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1611 static NotifierList wakeup_notifiers =
1612 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1613 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1614
1615 int qemu_shutdown_requested_get(void)
1616 {
1617 return shutdown_requested;
1618 }
1619
1620 int qemu_reset_requested_get(void)
1621 {
1622 return reset_requested;
1623 }
1624
1625 static int qemu_shutdown_requested(void)
1626 {
1627 return atomic_xchg(&shutdown_requested, 0);
1628 }
1629
1630 static void qemu_kill_report(void)
1631 {
1632 if (!qtest_driver() && shutdown_signal != -1) {
1633 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1634 if (shutdown_pid == 0) {
1635 /* This happens for eg ^C at the terminal, so it's worth
1636 * avoiding printing an odd message in that case.
1637 */
1638 fputc('\n', stderr);
1639 } else {
1640 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1641 }
1642 shutdown_signal = -1;
1643 }
1644 }
1645
1646 static int qemu_reset_requested(void)
1647 {
1648 int r = reset_requested;
1649 reset_requested = 0;
1650 return r;
1651 }
1652
1653 static int qemu_suspend_requested(void)
1654 {
1655 int r = suspend_requested;
1656 suspend_requested = 0;
1657 return r;
1658 }
1659
1660 static WakeupReason qemu_wakeup_requested(void)
1661 {
1662 return wakeup_reason;
1663 }
1664
1665 static int qemu_powerdown_requested(void)
1666 {
1667 int r = powerdown_requested;
1668 powerdown_requested = 0;
1669 return r;
1670 }
1671
1672 static int qemu_debug_requested(void)
1673 {
1674 int r = debug_requested;
1675 debug_requested = 0;
1676 return r;
1677 }
1678
1679 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1680 {
1681 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1682
1683 re->func = func;
1684 re->opaque = opaque;
1685 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1686 }
1687
1688 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1689 {
1690 QEMUResetEntry *re;
1691
1692 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1693 if (re->func == func && re->opaque == opaque) {
1694 QTAILQ_REMOVE(&reset_handlers, re, entry);
1695 g_free(re);
1696 return;
1697 }
1698 }
1699 }
1700
1701 void qemu_devices_reset(void)
1702 {
1703 QEMUResetEntry *re, *nre;
1704
1705 /* reset all devices */
1706 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1707 re->func(re->opaque);
1708 }
1709 }
1710
1711 void qemu_system_reset(bool report)
1712 {
1713 MachineClass *mc;
1714
1715 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1716
1717 if (mc && mc->reset) {
1718 mc->reset();
1719 } else {
1720 qemu_devices_reset();
1721 }
1722 if (report) {
1723 qapi_event_send_reset(&error_abort);
1724 }
1725 cpu_synchronize_all_post_reset();
1726 }
1727
1728 void qemu_system_reset_request(void)
1729 {
1730 if (no_reboot) {
1731 shutdown_requested = 1;
1732 } else {
1733 reset_requested = 1;
1734 }
1735 cpu_stop_current();
1736 qemu_notify_event();
1737 }
1738
1739 static void qemu_system_suspend(void)
1740 {
1741 pause_all_vcpus();
1742 notifier_list_notify(&suspend_notifiers, NULL);
1743 runstate_set(RUN_STATE_SUSPENDED);
1744 qapi_event_send_suspend(&error_abort);
1745 }
1746
1747 void qemu_system_suspend_request(void)
1748 {
1749 if (runstate_check(RUN_STATE_SUSPENDED)) {
1750 return;
1751 }
1752 suspend_requested = 1;
1753 cpu_stop_current();
1754 qemu_notify_event();
1755 }
1756
1757 void qemu_register_suspend_notifier(Notifier *notifier)
1758 {
1759 notifier_list_add(&suspend_notifiers, notifier);
1760 }
1761
1762 void qemu_system_wakeup_request(WakeupReason reason)
1763 {
1764 trace_system_wakeup_request(reason);
1765
1766 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1767 return;
1768 }
1769 if (!(wakeup_reason_mask & (1 << reason))) {
1770 return;
1771 }
1772 runstate_set(RUN_STATE_RUNNING);
1773 wakeup_reason = reason;
1774 qemu_notify_event();
1775 }
1776
1777 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1778 {
1779 if (enabled) {
1780 wakeup_reason_mask |= (1 << reason);
1781 } else {
1782 wakeup_reason_mask &= ~(1 << reason);
1783 }
1784 }
1785
1786 void qemu_register_wakeup_notifier(Notifier *notifier)
1787 {
1788 notifier_list_add(&wakeup_notifiers, notifier);
1789 }
1790
1791 void qemu_system_killed(int signal, pid_t pid)
1792 {
1793 shutdown_signal = signal;
1794 shutdown_pid = pid;
1795 no_shutdown = 0;
1796 qemu_system_shutdown_request();
1797 }
1798
1799 void qemu_system_shutdown_request(void)
1800 {
1801 trace_qemu_system_shutdown_request();
1802 shutdown_requested = 1;
1803 qemu_notify_event();
1804 }
1805
1806 static void qemu_system_powerdown(void)
1807 {
1808 qapi_event_send_powerdown(&error_abort);
1809 notifier_list_notify(&powerdown_notifiers, NULL);
1810 }
1811
1812 void qemu_system_powerdown_request(void)
1813 {
1814 trace_qemu_system_powerdown_request();
1815 powerdown_requested = 1;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_register_powerdown_notifier(Notifier *notifier)
1820 {
1821 notifier_list_add(&powerdown_notifiers, notifier);
1822 }
1823
1824 void qemu_system_debug_request(void)
1825 {
1826 debug_requested = 1;
1827 qemu_notify_event();
1828 }
1829
1830 static bool main_loop_should_exit(void)
1831 {
1832 RunState r;
1833 if (qemu_debug_requested()) {
1834 vm_stop(RUN_STATE_DEBUG);
1835 }
1836 if (qemu_suspend_requested()) {
1837 qemu_system_suspend();
1838 }
1839 if (qemu_shutdown_requested()) {
1840 qemu_kill_report();
1841 qapi_event_send_shutdown(&error_abort);
1842 if (no_shutdown) {
1843 vm_stop(RUN_STATE_SHUTDOWN);
1844 } else {
1845 return true;
1846 }
1847 }
1848 if (qemu_reset_requested()) {
1849 pause_all_vcpus();
1850 cpu_synchronize_all_states();
1851 qemu_system_reset(VMRESET_REPORT);
1852 resume_all_vcpus();
1853 if (runstate_needs_reset()) {
1854 runstate_set(RUN_STATE_PAUSED);
1855 }
1856 }
1857 if (qemu_wakeup_requested()) {
1858 pause_all_vcpus();
1859 cpu_synchronize_all_states();
1860 qemu_system_reset(VMRESET_SILENT);
1861 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1862 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1863 resume_all_vcpus();
1864 qapi_event_send_wakeup(&error_abort);
1865 }
1866 if (qemu_powerdown_requested()) {
1867 qemu_system_powerdown();
1868 }
1869 if (qemu_vmstop_requested(&r)) {
1870 vm_stop(r);
1871 }
1872 return false;
1873 }
1874
1875 static void main_loop(void)
1876 {
1877 bool nonblocking;
1878 int last_io = 0;
1879 #ifdef CONFIG_PROFILER
1880 int64_t ti;
1881 #endif
1882 do {
1883 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1884 #ifdef CONFIG_PROFILER
1885 ti = profile_getclock();
1886 #endif
1887 last_io = main_loop_wait(nonblocking);
1888 #ifdef CONFIG_PROFILER
1889 dev_time += profile_getclock() - ti;
1890 #endif
1891 } while (!main_loop_should_exit());
1892 }
1893
1894 static void version(void)
1895 {
1896 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1897 }
1898
1899 static void help(int exitcode)
1900 {
1901 version();
1902 printf("usage: %s [options] [disk_image]\n\n"
1903 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1904 error_get_progname());
1905
1906 #define QEMU_OPTIONS_GENERATE_HELP
1907 #include "qemu-options-wrapper.h"
1908
1909 printf("\nDuring emulation, the following keys are useful:\n"
1910 "ctrl-alt-f toggle full screen\n"
1911 "ctrl-alt-n switch to virtual console 'n'\n"
1912 "ctrl-alt toggle mouse and keyboard grab\n"
1913 "\n"
1914 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1915
1916 exit(exitcode);
1917 }
1918
1919 #define HAS_ARG 0x0001
1920
1921 typedef struct QEMUOption {
1922 const char *name;
1923 int flags;
1924 int index;
1925 uint32_t arch_mask;
1926 } QEMUOption;
1927
1928 static const QEMUOption qemu_options[] = {
1929 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1930 #define QEMU_OPTIONS_GENERATE_OPTIONS
1931 #include "qemu-options-wrapper.h"
1932 { NULL },
1933 };
1934
1935 static bool vga_available(void)
1936 {
1937 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1938 }
1939
1940 static bool cirrus_vga_available(void)
1941 {
1942 return object_class_by_name("cirrus-vga")
1943 || object_class_by_name("isa-cirrus-vga");
1944 }
1945
1946 static bool vmware_vga_available(void)
1947 {
1948 return object_class_by_name("vmware-svga");
1949 }
1950
1951 static bool qxl_vga_available(void)
1952 {
1953 return object_class_by_name("qxl-vga");
1954 }
1955
1956 static bool tcx_vga_available(void)
1957 {
1958 return object_class_by_name("SUNW,tcx");
1959 }
1960
1961 static bool cg3_vga_available(void)
1962 {
1963 return object_class_by_name("cgthree");
1964 }
1965
1966 static bool virtio_vga_available(void)
1967 {
1968 return object_class_by_name("virtio-vga");
1969 }
1970
1971 static void select_vgahw (const char *p)
1972 {
1973 const char *opts;
1974
1975 assert(vga_interface_type == VGA_NONE);
1976 if (strstart(p, "std", &opts)) {
1977 if (vga_available()) {
1978 vga_interface_type = VGA_STD;
1979 } else {
1980 fprintf(stderr, "Error: standard VGA not available\n");
1981 exit(0);
1982 }
1983 } else if (strstart(p, "cirrus", &opts)) {
1984 if (cirrus_vga_available()) {
1985 vga_interface_type = VGA_CIRRUS;
1986 } else {
1987 fprintf(stderr, "Error: Cirrus VGA not available\n");
1988 exit(0);
1989 }
1990 } else if (strstart(p, "vmware", &opts)) {
1991 if (vmware_vga_available()) {
1992 vga_interface_type = VGA_VMWARE;
1993 } else {
1994 fprintf(stderr, "Error: VMWare SVGA not available\n");
1995 exit(0);
1996 }
1997 } else if (strstart(p, "virtio", &opts)) {
1998 if (virtio_vga_available()) {
1999 vga_interface_type = VGA_VIRTIO;
2000 } else {
2001 fprintf(stderr, "Error: Virtio VGA not available\n");
2002 exit(0);
2003 }
2004 } else if (strstart(p, "xenfb", &opts)) {
2005 vga_interface_type = VGA_XENFB;
2006 } else if (strstart(p, "qxl", &opts)) {
2007 if (qxl_vga_available()) {
2008 vga_interface_type = VGA_QXL;
2009 } else {
2010 fprintf(stderr, "Error: QXL VGA not available\n");
2011 exit(0);
2012 }
2013 } else if (strstart(p, "tcx", &opts)) {
2014 if (tcx_vga_available()) {
2015 vga_interface_type = VGA_TCX;
2016 } else {
2017 fprintf(stderr, "Error: TCX framebuffer not available\n");
2018 exit(0);
2019 }
2020 } else if (strstart(p, "cg3", &opts)) {
2021 if (cg3_vga_available()) {
2022 vga_interface_type = VGA_CG3;
2023 } else {
2024 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2025 exit(0);
2026 }
2027 } else if (!strstart(p, "none", &opts)) {
2028 invalid_vga:
2029 fprintf(stderr, "Unknown vga type: %s\n", p);
2030 exit(1);
2031 }
2032 while (*opts) {
2033 const char *nextopt;
2034
2035 if (strstart(opts, ",retrace=", &nextopt)) {
2036 opts = nextopt;
2037 if (strstart(opts, "dumb", &nextopt))
2038 vga_retrace_method = VGA_RETRACE_DUMB;
2039 else if (strstart(opts, "precise", &nextopt))
2040 vga_retrace_method = VGA_RETRACE_PRECISE;
2041 else goto invalid_vga;
2042 } else goto invalid_vga;
2043 opts = nextopt;
2044 }
2045 }
2046
2047 static DisplayType select_display(const char *p)
2048 {
2049 const char *opts;
2050 DisplayType display = DT_DEFAULT;
2051
2052 if (strstart(p, "sdl", &opts)) {
2053 #ifdef CONFIG_SDL
2054 display = DT_SDL;
2055 while (*opts) {
2056 const char *nextopt;
2057
2058 if (strstart(opts, ",frame=", &nextopt)) {
2059 opts = nextopt;
2060 if (strstart(opts, "on", &nextopt)) {
2061 no_frame = 0;
2062 } else if (strstart(opts, "off", &nextopt)) {
2063 no_frame = 1;
2064 } else {
2065 goto invalid_sdl_args;
2066 }
2067 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2068 opts = nextopt;
2069 if (strstart(opts, "on", &nextopt)) {
2070 alt_grab = 1;
2071 } else if (strstart(opts, "off", &nextopt)) {
2072 alt_grab = 0;
2073 } else {
2074 goto invalid_sdl_args;
2075 }
2076 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2077 opts = nextopt;
2078 if (strstart(opts, "on", &nextopt)) {
2079 ctrl_grab = 1;
2080 } else if (strstart(opts, "off", &nextopt)) {
2081 ctrl_grab = 0;
2082 } else {
2083 goto invalid_sdl_args;
2084 }
2085 } else if (strstart(opts, ",window_close=", &nextopt)) {
2086 opts = nextopt;
2087 if (strstart(opts, "on", &nextopt)) {
2088 no_quit = 0;
2089 } else if (strstart(opts, "off", &nextopt)) {
2090 no_quit = 1;
2091 } else {
2092 goto invalid_sdl_args;
2093 }
2094 } else if (strstart(opts, ",gl=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 request_opengl = 1;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 request_opengl = 0;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else {
2104 invalid_sdl_args:
2105 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2106 exit(1);
2107 }
2108 opts = nextopt;
2109 }
2110 #else
2111 fprintf(stderr, "SDL support is disabled\n");
2112 exit(1);
2113 #endif
2114 } else if (strstart(p, "vnc", &opts)) {
2115 #ifdef CONFIG_VNC
2116 if (*opts == '=') {
2117 if (vnc_parse_func(opts+1) == NULL) {
2118 exit(1);
2119 }
2120 } else {
2121 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2122 exit(1);
2123 }
2124 #else
2125 fprintf(stderr, "VNC support is disabled\n");
2126 exit(1);
2127 #endif
2128 } else if (strstart(p, "curses", &opts)) {
2129 #ifdef CONFIG_CURSES
2130 display = DT_CURSES;
2131 #else
2132 fprintf(stderr, "Curses support is disabled\n");
2133 exit(1);
2134 #endif
2135 } else if (strstart(p, "gtk", &opts)) {
2136 #ifdef CONFIG_GTK
2137 display = DT_GTK;
2138 while (*opts) {
2139 const char *nextopt;
2140
2141 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2142 opts = nextopt;
2143 if (strstart(opts, "on", &nextopt)) {
2144 grab_on_hover = true;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 grab_on_hover = false;
2147 } else {
2148 goto invalid_gtk_args;
2149 }
2150 } else if (strstart(opts, ",gl=", &nextopt)) {
2151 opts = nextopt;
2152 if (strstart(opts, "on", &nextopt)) {
2153 request_opengl = 1;
2154 } else if (strstart(opts, "off", &nextopt)) {
2155 request_opengl = 0;
2156 } else {
2157 goto invalid_gtk_args;
2158 }
2159 } else {
2160 invalid_gtk_args:
2161 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2162 exit(1);
2163 }
2164 opts = nextopt;
2165 }
2166 #else
2167 fprintf(stderr, "GTK support is disabled\n");
2168 exit(1);
2169 #endif
2170 } else if (strstart(p, "none", &opts)) {
2171 display = DT_NONE;
2172 } else {
2173 fprintf(stderr, "Unknown display type: %s\n", p);
2174 exit(1);
2175 }
2176
2177 return display;
2178 }
2179
2180 static int balloon_parse(const char *arg)
2181 {
2182 QemuOpts *opts;
2183
2184 if (strcmp(arg, "none") == 0) {
2185 return 0;
2186 }
2187
2188 if (!strncmp(arg, "virtio", 6)) {
2189 if (arg[6] == ',') {
2190 /* have params -> parse them */
2191 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2192 if (!opts)
2193 return -1;
2194 } else {
2195 /* create empty opts */
2196 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2197 &error_abort);
2198 }
2199 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2200 return 0;
2201 }
2202
2203 return -1;
2204 }
2205
2206 char *qemu_find_file(int type, const char *name)
2207 {
2208 int i;
2209 const char *subdir;
2210 char *buf;
2211
2212 /* Try the name as a straight path first */
2213 if (access(name, R_OK) == 0) {
2214 trace_load_file(name, name);
2215 return g_strdup(name);
2216 }
2217
2218 switch (type) {
2219 case QEMU_FILE_TYPE_BIOS:
2220 subdir = "";
2221 break;
2222 case QEMU_FILE_TYPE_KEYMAP:
2223 subdir = "keymaps/";
2224 break;
2225 default:
2226 abort();
2227 }
2228
2229 for (i = 0; i < data_dir_idx; i++) {
2230 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2231 if (access(buf, R_OK) == 0) {
2232 trace_load_file(name, buf);
2233 return buf;
2234 }
2235 g_free(buf);
2236 }
2237 return NULL;
2238 }
2239
2240 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2241 {
2242 gchar *buf;
2243 size_t size;
2244 const char *name, *file;
2245
2246 if (opaque == NULL) {
2247 error_report("fw_cfg device not available");
2248 return -1;
2249 }
2250 name = qemu_opt_get(opts, "name");
2251 file = qemu_opt_get(opts, "file");
2252 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2253 error_report("invalid argument value");
2254 return -1;
2255 }
2256 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2257 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2258 return -1;
2259 }
2260 if (strncmp(name, "opt/", 4) != 0) {
2261 error_report("WARNING: externally provided fw_cfg item names "
2262 "should be prefixed with \"opt/\"!");
2263 }
2264 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2265 error_report("can't load %s", file);
2266 return -1;
2267 }
2268 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2269 return 0;
2270 }
2271
2272 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2273 {
2274 return qdev_device_help(opts);
2275 }
2276
2277 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2278 {
2279 DeviceState *dev;
2280
2281 dev = qdev_device_add(opts);
2282 if (!dev)
2283 return -1;
2284 object_unref(OBJECT(dev));
2285 return 0;
2286 }
2287
2288 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2289 {
2290 Error *local_err = NULL;
2291
2292 qemu_chr_new_from_opts(opts, NULL, &local_err);
2293 if (local_err) {
2294 error_report_err(local_err);
2295 return -1;
2296 }
2297 return 0;
2298 }
2299
2300 #ifdef CONFIG_VIRTFS
2301 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 int ret;
2304 ret = qemu_fsdev_add(opts);
2305
2306 return ret;
2307 }
2308 #endif
2309
2310 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2311 {
2312 CharDriverState *chr;
2313 const char *chardev;
2314 const char *mode;
2315 int flags;
2316
2317 mode = qemu_opt_get(opts, "mode");
2318 if (mode == NULL) {
2319 mode = "readline";
2320 }
2321 if (strcmp(mode, "readline") == 0) {
2322 flags = MONITOR_USE_READLINE;
2323 } else if (strcmp(mode, "control") == 0) {
2324 flags = MONITOR_USE_CONTROL;
2325 } else {
2326 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2327 exit(1);
2328 }
2329
2330 if (qemu_opt_get_bool(opts, "pretty", 0))
2331 flags |= MONITOR_USE_PRETTY;
2332
2333 if (qemu_opt_get_bool(opts, "default", 0))
2334 flags |= MONITOR_IS_DEFAULT;
2335
2336 chardev = qemu_opt_get(opts, "chardev");
2337 chr = qemu_chr_find(chardev);
2338 if (chr == NULL) {
2339 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2340 exit(1);
2341 }
2342
2343 qemu_chr_fe_claim_no_fail(chr);
2344 monitor_init(chr, flags);
2345 return 0;
2346 }
2347
2348 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2349 {
2350 static int monitor_device_index = 0;
2351 Error *local_err = NULL;
2352 QemuOpts *opts;
2353 const char *p;
2354 char label[32];
2355 int def = 0;
2356
2357 if (strstart(optarg, "chardev:", &p)) {
2358 snprintf(label, sizeof(label), "%s", p);
2359 } else {
2360 snprintf(label, sizeof(label), "compat_monitor%d",
2361 monitor_device_index);
2362 if (monitor_device_index == 0) {
2363 def = 1;
2364 }
2365 opts = qemu_chr_parse_compat(label, optarg);
2366 if (!opts) {
2367 fprintf(stderr, "parse error: %s\n", optarg);
2368 exit(1);
2369 }
2370 }
2371
2372 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2373 if (!opts) {
2374 error_report_err(local_err);
2375 exit(1);
2376 }
2377 qemu_opt_set(opts, "mode", mode, &error_abort);
2378 qemu_opt_set(opts, "chardev", label, &error_abort);
2379 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2380 if (def)
2381 qemu_opt_set(opts, "default", "on", &error_abort);
2382 monitor_device_index++;
2383 }
2384
2385 struct device_config {
2386 enum {
2387 DEV_USB, /* -usbdevice */
2388 DEV_BT, /* -bt */
2389 DEV_SERIAL, /* -serial */
2390 DEV_PARALLEL, /* -parallel */
2391 DEV_VIRTCON, /* -virtioconsole */
2392 DEV_DEBUGCON, /* -debugcon */
2393 DEV_GDB, /* -gdb, -s */
2394 DEV_SCLP, /* s390 sclp */
2395 } type;
2396 const char *cmdline;
2397 Location loc;
2398 QTAILQ_ENTRY(device_config) next;
2399 };
2400
2401 static QTAILQ_HEAD(, device_config) device_configs =
2402 QTAILQ_HEAD_INITIALIZER(device_configs);
2403
2404 static void add_device_config(int type, const char *cmdline)
2405 {
2406 struct device_config *conf;
2407
2408 conf = g_malloc0(sizeof(*conf));
2409 conf->type = type;
2410 conf->cmdline = cmdline;
2411 loc_save(&conf->loc);
2412 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2413 }
2414
2415 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2416 {
2417 struct device_config *conf;
2418 int rc;
2419
2420 QTAILQ_FOREACH(conf, &device_configs, next) {
2421 if (conf->type != type)
2422 continue;
2423 loc_push_restore(&conf->loc);
2424 rc = func(conf->cmdline);
2425 loc_pop(&conf->loc);
2426 if (rc) {
2427 return rc;
2428 }
2429 }
2430 return 0;
2431 }
2432
2433 static int serial_parse(const char *devname)
2434 {
2435 static int index = 0;
2436 char label[32];
2437
2438 if (strcmp(devname, "none") == 0)
2439 return 0;
2440 if (index == MAX_SERIAL_PORTS) {
2441 fprintf(stderr, "qemu: too many serial ports\n");
2442 exit(1);
2443 }
2444 snprintf(label, sizeof(label), "serial%d", index);
2445 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2446 if (!serial_hds[index]) {
2447 fprintf(stderr, "qemu: could not connect serial device"
2448 " to character backend '%s'\n", devname);
2449 return -1;
2450 }
2451 index++;
2452 return 0;
2453 }
2454
2455 static int parallel_parse(const char *devname)
2456 {
2457 static int index = 0;
2458 char label[32];
2459
2460 if (strcmp(devname, "none") == 0)
2461 return 0;
2462 if (index == MAX_PARALLEL_PORTS) {
2463 fprintf(stderr, "qemu: too many parallel ports\n");
2464 exit(1);
2465 }
2466 snprintf(label, sizeof(label), "parallel%d", index);
2467 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2468 if (!parallel_hds[index]) {
2469 fprintf(stderr, "qemu: could not connect parallel device"
2470 " to character backend '%s'\n", devname);
2471 return -1;
2472 }
2473 index++;
2474 return 0;
2475 }
2476
2477 static int virtcon_parse(const char *devname)
2478 {
2479 QemuOptsList *device = qemu_find_opts("device");
2480 static int index = 0;
2481 char label[32];
2482 QemuOpts *bus_opts, *dev_opts;
2483
2484 if (strcmp(devname, "none") == 0)
2485 return 0;
2486 if (index == MAX_VIRTIO_CONSOLES) {
2487 fprintf(stderr, "qemu: too many virtio consoles\n");
2488 exit(1);
2489 }
2490
2491 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2492 if (arch_type == QEMU_ARCH_S390X) {
2493 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2494 } else {
2495 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2496 }
2497
2498 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2499 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2500
2501 snprintf(label, sizeof(label), "virtcon%d", index);
2502 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2503 if (!virtcon_hds[index]) {
2504 fprintf(stderr, "qemu: could not connect virtio console"
2505 " to character backend '%s'\n", devname);
2506 return -1;
2507 }
2508 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2509
2510 index++;
2511 return 0;
2512 }
2513
2514 static int sclp_parse(const char *devname)
2515 {
2516 QemuOptsList *device = qemu_find_opts("device");
2517 static int index = 0;
2518 char label[32];
2519 QemuOpts *dev_opts;
2520
2521 if (strcmp(devname, "none") == 0) {
2522 return 0;
2523 }
2524 if (index == MAX_SCLP_CONSOLES) {
2525 fprintf(stderr, "qemu: too many sclp consoles\n");
2526 exit(1);
2527 }
2528
2529 assert(arch_type == QEMU_ARCH_S390X);
2530
2531 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2532 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2533
2534 snprintf(label, sizeof(label), "sclpcon%d", index);
2535 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!sclp_hds[index]) {
2537 fprintf(stderr, "qemu: could not connect sclp console"
2538 " to character backend '%s'\n", devname);
2539 return -1;
2540 }
2541 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2542
2543 index++;
2544 return 0;
2545 }
2546
2547 static int debugcon_parse(const char *devname)
2548 {
2549 QemuOpts *opts;
2550
2551 if (!qemu_chr_new("debugcon", devname, NULL)) {
2552 exit(1);
2553 }
2554 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2555 if (!opts) {
2556 fprintf(stderr, "qemu: already have a debugcon device\n");
2557 exit(1);
2558 }
2559 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2560 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2561 return 0;
2562 }
2563
2564 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2565 {
2566 const MachineClass *mc1 = a, *mc2 = b;
2567 int res;
2568
2569 if (mc1->family == NULL) {
2570 if (mc2->family == NULL) {
2571 /* Compare standalone machine types against each other; they sort
2572 * in increasing order.
2573 */
2574 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2575 object_class_get_name(OBJECT_CLASS(mc2)));
2576 }
2577
2578 /* Standalone machine types sort after families. */
2579 return 1;
2580 }
2581
2582 if (mc2->family == NULL) {
2583 /* Families sort before standalone machine types. */
2584 return -1;
2585 }
2586
2587 /* Families sort between each other alphabetically increasingly. */
2588 res = strcmp(mc1->family, mc2->family);
2589 if (res != 0) {
2590 return res;
2591 }
2592
2593 /* Within the same family, machine types sort in decreasing order. */
2594 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2595 object_class_get_name(OBJECT_CLASS(mc1)));
2596 }
2597
2598 static MachineClass *machine_parse(const char *name)
2599 {
2600 MachineClass *mc = NULL;
2601 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2602
2603 if (name) {
2604 mc = find_machine(name);
2605 }
2606 if (mc) {
2607 g_slist_free(machines);
2608 return mc;
2609 }
2610 if (name && !is_help_option(name)) {
2611 error_report("Unsupported machine type");
2612 error_printf("Use -machine help to list supported machines!\n");
2613 } else {
2614 printf("Supported machines are:\n");
2615 machines = g_slist_sort(machines, machine_class_cmp);
2616 for (el = machines; el; el = el->next) {
2617 MachineClass *mc = el->data;
2618 if (mc->alias) {
2619 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2620 }
2621 printf("%-20s %s%s\n", mc->name, mc->desc,
2622 mc->is_default ? " (default)" : "");
2623 }
2624 }
2625
2626 g_slist_free(machines);
2627 exit(!name || !is_help_option(name));
2628 }
2629
2630 void qemu_add_exit_notifier(Notifier *notify)
2631 {
2632 notifier_list_add(&exit_notifiers, notify);
2633 }
2634
2635 void qemu_remove_exit_notifier(Notifier *notify)
2636 {
2637 notifier_remove(notify);
2638 }
2639
2640 static void qemu_run_exit_notifiers(void)
2641 {
2642 notifier_list_notify(&exit_notifiers, NULL);
2643 }
2644
2645 static bool machine_init_done;
2646
2647 void qemu_add_machine_init_done_notifier(Notifier *notify)
2648 {
2649 notifier_list_add(&machine_init_done_notifiers, notify);
2650 if (machine_init_done) {
2651 notify->notify(notify, NULL);
2652 }
2653 }
2654
2655 static void qemu_run_machine_init_done_notifiers(void)
2656 {
2657 notifier_list_notify(&machine_init_done_notifiers, NULL);
2658 machine_init_done = true;
2659 }
2660
2661 static const QEMUOption *lookup_opt(int argc, char **argv,
2662 const char **poptarg, int *poptind)
2663 {
2664 const QEMUOption *popt;
2665 int optind = *poptind;
2666 char *r = argv[optind];
2667 const char *optarg;
2668
2669 loc_set_cmdline(argv, optind, 1);
2670 optind++;
2671 /* Treat --foo the same as -foo. */
2672 if (r[1] == '-')
2673 r++;
2674 popt = qemu_options;
2675 for(;;) {
2676 if (!popt->name) {
2677 error_report("invalid option");
2678 exit(1);
2679 }
2680 if (!strcmp(popt->name, r + 1))
2681 break;
2682 popt++;
2683 }
2684 if (popt->flags & HAS_ARG) {
2685 if (optind >= argc) {
2686 error_report("requires an argument");
2687 exit(1);
2688 }
2689 optarg = argv[optind++];
2690 loc_set_cmdline(argv, optind - 2, 2);
2691 } else {
2692 optarg = NULL;
2693 }
2694
2695 *poptarg = optarg;
2696 *poptind = optind;
2697
2698 return popt;
2699 }
2700
2701 static gpointer malloc_and_trace(gsize n_bytes)
2702 {
2703 void *ptr = malloc(n_bytes);
2704 trace_g_malloc(n_bytes, ptr);
2705 return ptr;
2706 }
2707
2708 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2709 {
2710 void *ptr = realloc(mem, n_bytes);
2711 trace_g_realloc(mem, n_bytes, ptr);
2712 return ptr;
2713 }
2714
2715 static void free_and_trace(gpointer mem)
2716 {
2717 trace_g_free(mem);
2718 free(mem);
2719 }
2720
2721 static int machine_set_property(void *opaque,
2722 const char *name, const char *value,
2723 Error **errp)
2724 {
2725 Object *obj = OBJECT(opaque);
2726 Error *local_err = NULL;
2727 char *c, *qom_name;
2728
2729 if (strcmp(name, "type") == 0) {
2730 return 0;
2731 }
2732
2733 qom_name = g_strdup(name);
2734 c = qom_name;
2735 while (*c++) {
2736 if (*c == '_') {
2737 *c = '-';
2738 }
2739 }
2740
2741 object_property_parse(obj, value, qom_name, &local_err);
2742 g_free(qom_name);
2743
2744 if (local_err) {
2745 error_report_err(local_err);
2746 return -1;
2747 }
2748
2749 return 0;
2750 }
2751
2752
2753 /*
2754 * Initial object creation happens before all other
2755 * QEMU data types are created. The majority of objects
2756 * can be created at this point. The rng-egd object
2757 * cannot be created here, as it depends on the chardev
2758 * already existing.
2759 */
2760 static bool object_create_initial(const char *type)
2761 {
2762 if (g_str_equal(type, "rng-egd")) {
2763 return false;
2764 }
2765 return true;
2766 }
2767
2768
2769 /*
2770 * The remainder of object creation happens after the
2771 * creation of chardev, fsdev and device data types.
2772 */
2773 static bool object_create_delayed(const char *type)
2774 {
2775 return !object_create_initial(type);
2776 }
2777
2778
2779 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2780 {
2781 Error *err = NULL;
2782 char *type = NULL;
2783 char *id = NULL;
2784 void *dummy = NULL;
2785 OptsVisitor *ov;
2786 QDict *pdict;
2787 bool (*type_predicate)(const char *) = opaque;
2788
2789 ov = opts_visitor_new(opts);
2790 pdict = qemu_opts_to_qdict(opts, NULL);
2791
2792 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2793 if (err) {
2794 goto out;
2795 }
2796
2797 qdict_del(pdict, "qom-type");
2798 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2799 if (err) {
2800 goto out;
2801 }
2802 if (!type_predicate(type)) {
2803 goto out;
2804 }
2805
2806 qdict_del(pdict, "id");
2807 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2808 if (err) {
2809 goto out;
2810 }
2811
2812 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2813 if (err) {
2814 goto out;
2815 }
2816 visit_end_struct(opts_get_visitor(ov), &err);
2817 if (err) {
2818 qmp_object_del(id, NULL);
2819 }
2820
2821 out:
2822 opts_visitor_cleanup(ov);
2823
2824 QDECREF(pdict);
2825 g_free(id);
2826 g_free(type);
2827 g_free(dummy);
2828 if (err) {
2829 error_report_err(err);
2830 return -1;
2831 }
2832 return 0;
2833 }
2834
2835 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2836 MachineClass *mc)
2837 {
2838 uint64_t sz;
2839 const char *mem_str;
2840 const char *maxmem_str, *slots_str;
2841 const ram_addr_t default_ram_size = mc->default_ram_size;
2842 QemuOpts *opts = qemu_find_opts_singleton("memory");
2843
2844 sz = 0;
2845 mem_str = qemu_opt_get(opts, "size");
2846 if (mem_str) {
2847 if (!*mem_str) {
2848 error_report("missing 'size' option value");
2849 exit(EXIT_FAILURE);
2850 }
2851
2852 sz = qemu_opt_get_size(opts, "size", ram_size);
2853
2854 /* Fix up legacy suffix-less format */
2855 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2856 uint64_t overflow_check = sz;
2857
2858 sz <<= 20;
2859 if ((sz >> 20) != overflow_check) {
2860 error_report("too large 'size' option value");
2861 exit(EXIT_FAILURE);
2862 }
2863 }
2864 }
2865
2866 /* backward compatibility behaviour for case "-m 0" */
2867 if (sz == 0) {
2868 sz = default_ram_size;
2869 }
2870
2871 sz = QEMU_ALIGN_UP(sz, 8192);
2872 ram_size = sz;
2873 if (ram_size != sz) {
2874 error_report("ram size too large");
2875 exit(EXIT_FAILURE);
2876 }
2877
2878 /* store value for the future use */
2879 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2880 *maxram_size = ram_size;
2881
2882 maxmem_str = qemu_opt_get(opts, "maxmem");
2883 slots_str = qemu_opt_get(opts, "slots");
2884 if (maxmem_str && slots_str) {
2885 uint64_t slots;
2886
2887 sz = qemu_opt_get_size(opts, "maxmem", 0);
2888 slots = qemu_opt_get_number(opts, "slots", 0);
2889 if (sz < ram_size) {
2890 error_report("invalid value of -m option maxmem: "
2891 "maximum memory size (0x%" PRIx64 ") must be at least "
2892 "the initial memory size (0x" RAM_ADDR_FMT ")",
2893 sz, ram_size);
2894 exit(EXIT_FAILURE);
2895 } else if (sz > ram_size) {
2896 if (!slots) {
2897 error_report("invalid value of -m option: maxmem was "
2898 "specified, but no hotplug slots were specified");
2899 exit(EXIT_FAILURE);
2900 }
2901 } else if (slots) {
2902 error_report("invalid value of -m option maxmem: "
2903 "memory slots were specified but maximum memory size "
2904 "(0x%" PRIx64 ") is equal to the initial memory size "
2905 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2906 exit(EXIT_FAILURE);
2907 }
2908
2909 *maxram_size = sz;
2910 *ram_slots = slots;
2911 } else if ((!maxmem_str && slots_str) ||
2912 (maxmem_str && !slots_str)) {
2913 error_report("invalid -m option value: missing "
2914 "'%s' option", slots_str ? "maxmem" : "slots");
2915 exit(EXIT_FAILURE);
2916 }
2917 }
2918
2919 int main(int argc, char **argv, char **envp)
2920 {
2921 int i;
2922 int snapshot, linux_boot;
2923 const char *initrd_filename;
2924 const char *kernel_filename, *kernel_cmdline;
2925 const char *boot_order = NULL;
2926 const char *boot_once = NULL;
2927 DisplayState *ds;
2928 int cyls, heads, secs, translation;
2929 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2930 QemuOptsList *olist;
2931 int optind;
2932 const char *optarg;
2933 const char *loadvm = NULL;
2934 MachineClass *machine_class;
2935 const char *cpu_model;
2936 const char *vga_model = NULL;
2937 const char *qtest_chrdev = NULL;
2938 const char *qtest_log = NULL;
2939 const char *pid_file = NULL;
2940 const char *incoming = NULL;
2941 #ifdef CONFIG_VNC
2942 int show_vnc_port = 0;
2943 #endif
2944 bool defconfig = true;
2945 bool userconfig = true;
2946 const char *log_mask = NULL;
2947 const char *log_file = NULL;
2948 GMemVTable mem_trace = {
2949 .malloc = malloc_and_trace,
2950 .realloc = realloc_and_trace,
2951 .free = free_and_trace,
2952 };
2953 const char *trace_events = NULL;
2954 const char *trace_file = NULL;
2955 ram_addr_t maxram_size;
2956 uint64_t ram_slots = 0;
2957 FILE *vmstate_dump_file = NULL;
2958 Error *main_loop_err = NULL;
2959
2960 qemu_init_cpu_loop();
2961 qemu_mutex_lock_iothread();
2962
2963 atexit(qemu_run_exit_notifiers);
2964 error_set_progname(argv[0]);
2965 qemu_init_exec_dir(argv[0]);
2966
2967 g_mem_set_vtable(&mem_trace);
2968
2969 module_call_init(MODULE_INIT_QOM);
2970
2971 qemu_add_opts(&qemu_drive_opts);
2972 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2973 qemu_add_drive_opts(&qemu_common_drive_opts);
2974 qemu_add_drive_opts(&qemu_drive_opts);
2975 qemu_add_opts(&qemu_chardev_opts);
2976 qemu_add_opts(&qemu_device_opts);
2977 qemu_add_opts(&qemu_netdev_opts);
2978 qemu_add_opts(&qemu_net_opts);
2979 qemu_add_opts(&qemu_rtc_opts);
2980 qemu_add_opts(&qemu_global_opts);
2981 qemu_add_opts(&qemu_mon_opts);
2982 qemu_add_opts(&qemu_trace_opts);
2983 qemu_add_opts(&qemu_option_rom_opts);
2984 qemu_add_opts(&qemu_machine_opts);
2985 qemu_add_opts(&qemu_mem_opts);
2986 qemu_add_opts(&qemu_smp_opts);
2987 qemu_add_opts(&qemu_boot_opts);
2988 qemu_add_opts(&qemu_sandbox_opts);
2989 qemu_add_opts(&qemu_add_fd_opts);
2990 qemu_add_opts(&qemu_object_opts);
2991 qemu_add_opts(&qemu_tpmdev_opts);
2992 qemu_add_opts(&qemu_realtime_opts);
2993 qemu_add_opts(&qemu_msg_opts);
2994 qemu_add_opts(&qemu_name_opts);
2995 qemu_add_opts(&qemu_numa_opts);
2996 qemu_add_opts(&qemu_icount_opts);
2997 qemu_add_opts(&qemu_semihosting_config_opts);
2998 qemu_add_opts(&qemu_fw_cfg_opts);
2999
3000 runstate_init();
3001
3002 rtc_clock = QEMU_CLOCK_HOST;
3003
3004 QLIST_INIT (&vm_change_state_head);
3005 os_setup_early_signal_handling();
3006
3007 module_call_init(MODULE_INIT_MACHINE);
3008 machine_class = find_default_machine();
3009 cpu_model = NULL;
3010 snapshot = 0;
3011 cyls = heads = secs = 0;
3012 translation = BIOS_ATA_TRANSLATION_AUTO;
3013
3014 nb_nics = 0;
3015
3016 bdrv_init_with_whitelist();
3017
3018 autostart = 1;
3019
3020 /* first pass of option parsing */
3021 optind = 1;
3022 while (optind < argc) {
3023 if (argv[optind][0] != '-') {
3024 /* disk image */
3025 optind++;
3026 } else {
3027 const QEMUOption *popt;
3028
3029 popt = lookup_opt(argc, argv, &optarg, &optind);
3030 switch (popt->index) {
3031 case QEMU_OPTION_nodefconfig:
3032 defconfig = false;
3033 break;
3034 case QEMU_OPTION_nouserconfig:
3035 userconfig = false;
3036 break;
3037 }
3038 }
3039 }
3040
3041 if (defconfig) {
3042 int ret;
3043 ret = qemu_read_default_config_files(userconfig);
3044 if (ret < 0) {
3045 exit(1);
3046 }
3047 }
3048
3049 /* second pass of option parsing */
3050 optind = 1;
3051 for(;;) {
3052 if (optind >= argc)
3053 break;
3054 if (argv[optind][0] != '-') {
3055 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3056 } else {
3057 const QEMUOption *popt;
3058
3059 popt = lookup_opt(argc, argv, &optarg, &optind);
3060 if (!(popt->arch_mask & arch_type)) {
3061 printf("Option %s not supported for this target\n", popt->name);
3062 exit(1);
3063 }
3064 switch(popt->index) {
3065 case QEMU_OPTION_no_kvm_irqchip: {
3066 olist = qemu_find_opts("machine");
3067 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3068 break;
3069 }
3070 case QEMU_OPTION_cpu:
3071 /* hw initialization will check this */
3072 cpu_model = optarg;
3073 break;
3074 case QEMU_OPTION_hda:
3075 {
3076 char buf[256];
3077 if (cyls == 0)
3078 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3079 else
3080 snprintf(buf, sizeof(buf),
3081 "%s,cyls=%d,heads=%d,secs=%d%s",
3082 HD_OPTS , cyls, heads, secs,
3083 translation == BIOS_ATA_TRANSLATION_LBA ?
3084 ",trans=lba" :
3085 translation == BIOS_ATA_TRANSLATION_NONE ?
3086 ",trans=none" : "");
3087 drive_add(IF_DEFAULT, 0, optarg, buf);
3088 break;
3089 }
3090 case QEMU_OPTION_hdb:
3091 case QEMU_OPTION_hdc:
3092 case QEMU_OPTION_hdd:
3093 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3094 HD_OPTS);
3095 break;
3096 case QEMU_OPTION_drive:
3097 if (drive_def(optarg) == NULL) {
3098 exit(1);
3099 }
3100 break;
3101 case QEMU_OPTION_set:
3102 if (qemu_set_option(optarg) != 0)
3103 exit(1);
3104 break;
3105 case QEMU_OPTION_global:
3106 if (qemu_global_option(optarg) != 0)
3107 exit(1);
3108 break;
3109 case QEMU_OPTION_mtdblock:
3110 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3111 break;
3112 case QEMU_OPTION_sd:
3113 drive_add(IF_SD, -1, optarg, SD_OPTS);
3114 break;
3115 case QEMU_OPTION_pflash:
3116 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3117 break;
3118 case QEMU_OPTION_snapshot:
3119 snapshot = 1;
3120 break;
3121 case QEMU_OPTION_hdachs:
3122 {
3123 const char *p;
3124 p = optarg;
3125 cyls = strtol(p, (char **)&p, 0);
3126 if (cyls < 1 || cyls > 16383)
3127 goto chs_fail;
3128 if (*p != ',')
3129 goto chs_fail;
3130 p++;
3131 heads = strtol(p, (char **)&p, 0);
3132 if (heads < 1 || heads > 16)
3133 goto chs_fail;
3134 if (*p != ',')
3135 goto chs_fail;
3136 p++;
3137 secs = strtol(p, (char **)&p, 0);
3138 if (secs < 1 || secs > 63)
3139 goto chs_fail;
3140 if (*p == ',') {
3141 p++;
3142 if (!strcmp(p, "large")) {
3143 translation = BIOS_ATA_TRANSLATION_LARGE;
3144 } else if (!strcmp(p, "rechs")) {
3145 translation = BIOS_ATA_TRANSLATION_RECHS;
3146 } else if (!strcmp(p, "none")) {
3147 translation = BIOS_ATA_TRANSLATION_NONE;
3148 } else if (!strcmp(p, "lba")) {
3149 translation = BIOS_ATA_TRANSLATION_LBA;
3150 } else if (!strcmp(p, "auto")) {
3151 translation = BIOS_ATA_TRANSLATION_AUTO;
3152 } else {
3153 goto chs_fail;
3154 }
3155 } else if (*p != '\0') {
3156 chs_fail:
3157 fprintf(stderr, "qemu: invalid physical CHS format\n");
3158 exit(1);
3159 }
3160 if (hda_opts != NULL) {
3161 qemu_opt_set_number(hda_opts, "cyls", cyls,
3162 &error_abort);
3163 qemu_opt_set_number(hda_opts, "heads", heads,
3164 &error_abort);
3165 qemu_opt_set_number(hda_opts, "secs", secs,
3166 &error_abort);
3167 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3168 qemu_opt_set(hda_opts, "trans", "large",
3169 &error_abort);
3170 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3171 qemu_opt_set(hda_opts, "trans", "rechs",
3172 &error_abort);
3173 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3174 qemu_opt_set(hda_opts, "trans", "lba",
3175 &error_abort);
3176 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3177 qemu_opt_set(hda_opts, "trans", "none",
3178 &error_abort);
3179 }
3180 }
3181 }
3182 break;
3183 case QEMU_OPTION_numa:
3184 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3185 if (!opts) {
3186 exit(1);
3187 }
3188 break;
3189 case QEMU_OPTION_display:
3190 display_type = select_display(optarg);
3191 break;
3192 case QEMU_OPTION_nographic:
3193 display_type = DT_NOGRAPHIC;
3194 break;
3195 case QEMU_OPTION_curses:
3196 #ifdef CONFIG_CURSES
3197 display_type = DT_CURSES;
3198 #else
3199 fprintf(stderr, "Curses support is disabled\n");
3200 exit(1);
3201 #endif
3202 break;
3203 case QEMU_OPTION_portrait:
3204 graphic_rotate = 90;
3205 break;
3206 case QEMU_OPTION_rotate:
3207 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3208 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3209 graphic_rotate != 180 && graphic_rotate != 270) {
3210 fprintf(stderr,
3211 "qemu: only 90, 180, 270 deg rotation is available\n");
3212 exit(1);
3213 }
3214 break;
3215 case QEMU_OPTION_kernel:
3216 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3217 &error_abort);
3218 break;
3219 case QEMU_OPTION_initrd:
3220 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3221 &error_abort);
3222 break;
3223 case QEMU_OPTION_append:
3224 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3225 &error_abort);
3226 break;
3227 case QEMU_OPTION_dtb:
3228 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3229 &error_abort);
3230 break;
3231 case QEMU_OPTION_cdrom:
3232 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3233 break;
3234 case QEMU_OPTION_boot:
3235 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3236 if (!opts) {
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_fda:
3241 case QEMU_OPTION_fdb:
3242 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3243 optarg, FD_OPTS);
3244 break;
3245 case QEMU_OPTION_no_fd_bootchk:
3246 fd_bootchk = 0;
3247 break;
3248 case QEMU_OPTION_netdev:
3249 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3250 exit(1);
3251 }
3252 break;
3253 case QEMU_OPTION_net:
3254 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3255 exit(1);
3256 }
3257 break;
3258 #ifdef CONFIG_LIBISCSI
3259 case QEMU_OPTION_iscsi:
3260 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3261 if (!opts) {
3262 exit(1);
3263 }
3264 break;
3265 #endif
3266 #ifdef CONFIG_SLIRP
3267 case QEMU_OPTION_tftp:
3268 legacy_tftp_prefix = optarg;
3269 break;
3270 case QEMU_OPTION_bootp:
3271 legacy_bootp_filename = optarg;
3272 break;
3273 case QEMU_OPTION_redir:
3274 if (net_slirp_redir(optarg) < 0)
3275 exit(1);
3276 break;
3277 #endif
3278 case QEMU_OPTION_bt:
3279 add_device_config(DEV_BT, optarg);
3280 break;
3281 case QEMU_OPTION_audio_help:
3282 AUD_help ();
3283 exit (0);
3284 break;
3285 case QEMU_OPTION_soundhw:
3286 select_soundhw (optarg);
3287 break;
3288 case QEMU_OPTION_h:
3289 help(0);
3290 break;
3291 case QEMU_OPTION_version:
3292 version();
3293 exit(0);
3294 break;
3295 case QEMU_OPTION_m:
3296 opts = qemu_opts_parse(qemu_find_opts("memory"),
3297 optarg, 1);
3298 if (!opts) {
3299 exit(EXIT_FAILURE);
3300 }
3301 break;
3302 #ifdef CONFIG_TPM
3303 case QEMU_OPTION_tpmdev:
3304 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3305 exit(1);
3306 }
3307 break;
3308 #endif
3309 case QEMU_OPTION_mempath:
3310 mem_path = optarg;
3311 break;
3312 case QEMU_OPTION_mem_prealloc:
3313 mem_prealloc = 1;
3314 break;
3315 case QEMU_OPTION_d:
3316 log_mask = optarg;
3317 break;
3318 case QEMU_OPTION_D:
3319 log_file = optarg;
3320 break;
3321 case QEMU_OPTION_s:
3322 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3323 break;
3324 case QEMU_OPTION_gdb:
3325 add_device_config(DEV_GDB, optarg);
3326 break;
3327 case QEMU_OPTION_L:
3328 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3329 data_dir[data_dir_idx++] = optarg;
3330 }
3331 break;
3332 case QEMU_OPTION_bios:
3333 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3334 &error_abort);
3335 break;
3336 case QEMU_OPTION_singlestep:
3337 singlestep = 1;
3338 break;
3339 case QEMU_OPTION_S:
3340 autostart = 0;
3341 break;
3342 case QEMU_OPTION_k:
3343 keyboard_layout = optarg;
3344 break;
3345 case QEMU_OPTION_localtime:
3346 rtc_utc = 0;
3347 break;
3348 case QEMU_OPTION_vga:
3349 vga_model = optarg;
3350 default_vga = 0;
3351 break;
3352 case QEMU_OPTION_g:
3353 {
3354 const char *p;
3355 int w, h, depth;
3356 p = optarg;
3357 w = strtol(p, (char **)&p, 10);
3358 if (w <= 0) {
3359 graphic_error:
3360 fprintf(stderr, "qemu: invalid resolution or depth\n");
3361 exit(1);
3362 }
3363 if (*p != 'x')
3364 goto graphic_error;
3365 p++;
3366 h = strtol(p, (char **)&p, 10);
3367 if (h <= 0)
3368 goto graphic_error;
3369 if (*p == 'x') {
3370 p++;
3371 depth = strtol(p, (char **)&p, 10);
3372 if (depth != 8 && depth != 15 && depth != 16 &&
3373 depth != 24 && depth != 32)
3374 goto graphic_error;
3375 } else if (*p == '\0') {
3376 depth = graphic_depth;
3377 } else {
3378 goto graphic_error;
3379 }
3380
3381 graphic_width = w;
3382 graphic_height = h;
3383 graphic_depth = depth;
3384 }
3385 break;
3386 case QEMU_OPTION_echr:
3387 {
3388 char *r;
3389 term_escape_char = strtol(optarg, &r, 0);
3390 if (r == optarg)
3391 printf("Bad argument to echr\n");
3392 break;
3393 }
3394 case QEMU_OPTION_monitor:
3395 default_monitor = 0;
3396 if (strncmp(optarg, "none", 4)) {
3397 monitor_parse(optarg, "readline", false);
3398 }
3399 break;
3400 case QEMU_OPTION_qmp:
3401 monitor_parse(optarg, "control", false);
3402 default_monitor = 0;
3403 break;
3404 case QEMU_OPTION_qmp_pretty:
3405 monitor_parse(optarg, "control", true);
3406 default_monitor = 0;
3407 break;
3408 case QEMU_OPTION_mon:
3409 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3410 if (!opts) {
3411 exit(1);
3412 }
3413 default_monitor = 0;
3414 break;
3415 case QEMU_OPTION_chardev:
3416 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3417 if (!opts) {
3418 exit(1);
3419 }
3420 break;
3421 case QEMU_OPTION_fsdev:
3422 olist = qemu_find_opts("fsdev");
3423 if (!olist) {
3424 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3425 exit(1);
3426 }
3427 opts = qemu_opts_parse(olist, optarg, 1);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 break;
3432 case QEMU_OPTION_virtfs: {
3433 QemuOpts *fsdev;
3434 QemuOpts *device;
3435 const char *writeout, *sock_fd, *socket;
3436
3437 olist = qemu_find_opts("virtfs");
3438 if (!olist) {
3439 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3440 exit(1);
3441 }
3442 opts = qemu_opts_parse(olist, optarg, 1);
3443 if (!opts) {
3444 exit(1);
3445 }
3446
3447 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3448 qemu_opt_get(opts, "mount_tag") == NULL) {
3449 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3450 exit(1);
3451 }
3452 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3453 qemu_opt_get(opts, "mount_tag"),
3454 1, NULL);
3455 if (!fsdev) {
3456 fprintf(stderr, "duplicate fsdev id: %s\n",
3457 qemu_opt_get(opts, "mount_tag"));
3458 exit(1);
3459 }
3460
3461 writeout = qemu_opt_get(opts, "writeout");
3462 if (writeout) {
3463 #ifdef CONFIG_SYNC_FILE_RANGE
3464 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3465 #else
3466 fprintf(stderr, "writeout=immediate not supported on "
3467 "this platform\n");
3468 exit(1);
3469 #endif
3470 }
3471 qemu_opt_set(fsdev, "fsdriver",
3472 qemu_opt_get(opts, "fsdriver"), &error_abort);
3473 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3474 &error_abort);
3475 qemu_opt_set(fsdev, "security_model",
3476 qemu_opt_get(opts, "security_model"),
3477 &error_abort);
3478 socket = qemu_opt_get(opts, "socket");
3479 if (socket) {
3480 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3481 }
3482 sock_fd = qemu_opt_get(opts, "sock_fd");
3483 if (sock_fd) {
3484 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3485 }
3486
3487 qemu_opt_set_bool(fsdev, "readonly",
3488 qemu_opt_get_bool(opts, "readonly", 0),
3489 &error_abort);
3490 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3491 &error_abort);
3492 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3493 qemu_opt_set(device, "fsdev",
3494 qemu_opt_get(opts, "mount_tag"), &error_abort);
3495 qemu_opt_set(device, "mount_tag",
3496 qemu_opt_get(opts, "mount_tag"), &error_abort);
3497 break;
3498 }
3499 case QEMU_OPTION_virtfs_synth: {
3500 QemuOpts *fsdev;
3501 QemuOpts *device;
3502
3503 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3504 1, NULL);
3505 if (!fsdev) {
3506 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3507 exit(1);
3508 }
3509 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3510
3511 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3512 &error_abort);
3513 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3514 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3515 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3516 break;
3517 }
3518 case QEMU_OPTION_serial:
3519 add_device_config(DEV_SERIAL, optarg);
3520 default_serial = 0;
3521 if (strncmp(optarg, "mon:", 4) == 0) {
3522 default_monitor = 0;
3523 }
3524 break;
3525 case QEMU_OPTION_watchdog:
3526 if (watchdog) {
3527 fprintf(stderr,
3528 "qemu: only one watchdog option may be given\n");
3529 return 1;
3530 }
3531 watchdog = optarg;
3532 break;
3533 case QEMU_OPTION_watchdog_action:
3534 if (select_watchdog_action(optarg) == -1) {
3535 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3536 exit(1);
3537 }
3538 break;
3539 case QEMU_OPTION_virtiocon:
3540 add_device_config(DEV_VIRTCON, optarg);
3541 default_virtcon = 0;
3542 if (strncmp(optarg, "mon:", 4) == 0) {
3543 default_monitor = 0;
3544 }
3545 break;
3546 case QEMU_OPTION_parallel:
3547 add_device_config(DEV_PARALLEL, optarg);
3548 default_parallel = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_debugcon:
3554 add_device_config(DEV_DEBUGCON, optarg);
3555 break;
3556 case QEMU_OPTION_loadvm:
3557 loadvm = optarg;
3558 break;
3559 case QEMU_OPTION_full_screen:
3560 full_screen = 1;
3561 break;
3562 case QEMU_OPTION_no_frame:
3563 no_frame = 1;
3564 break;
3565 case QEMU_OPTION_alt_grab:
3566 alt_grab = 1;
3567 break;
3568 case QEMU_OPTION_ctrl_grab:
3569 ctrl_grab = 1;
3570 break;
3571 case QEMU_OPTION_no_quit:
3572 no_quit = 1;
3573 break;
3574 case QEMU_OPTION_sdl:
3575 #ifdef CONFIG_SDL
3576 display_type = DT_SDL;
3577 break;
3578 #else
3579 fprintf(stderr, "SDL support is disabled\n");
3580 exit(1);
3581 #endif
3582 case QEMU_OPTION_pidfile:
3583 pid_file = optarg;
3584 break;
3585 case QEMU_OPTION_win2k_hack:
3586 win2k_install_hack = 1;
3587 break;
3588 case QEMU_OPTION_rtc_td_hack: {
3589 static GlobalProperty slew_lost_ticks[] = {
3590 {
3591 .driver = "mc146818rtc",
3592 .property = "lost_tick_policy",
3593 .value = "slew",
3594 },
3595 { /* end of list */ }
3596 };
3597
3598 qdev_prop_register_global_list(slew_lost_ticks);
3599 break;
3600 }
3601 case QEMU_OPTION_acpitable:
3602 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3603 if (!opts) {
3604 exit(1);
3605 }
3606 do_acpitable_option(opts);
3607 break;
3608 case QEMU_OPTION_smbios:
3609 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3610 if (!opts) {
3611 exit(1);
3612 }
3613 do_smbios_option(opts);
3614 break;
3615 case QEMU_OPTION_fwcfg:
3616 opts = qemu_opts_parse(qemu_find_opts("fw_cfg"), optarg, 1);
3617 if (opts == NULL) {
3618 exit(1);
3619 }
3620 break;
3621 case QEMU_OPTION_enable_kvm:
3622 olist = qemu_find_opts("machine");
3623 qemu_opts_parse(olist, "accel=kvm", 0);
3624 break;
3625 case QEMU_OPTION_M:
3626 case QEMU_OPTION_machine:
3627 olist = qemu_find_opts("machine");
3628 opts = qemu_opts_parse(olist, optarg, 1);
3629 if (!opts) {
3630 exit(1);
3631 }
3632 break;
3633 case QEMU_OPTION_no_kvm:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse(olist, "accel=tcg", 0);
3636 break;
3637 case QEMU_OPTION_no_kvm_pit: {
3638 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3639 "separately.\n");
3640 break;
3641 }
3642 case QEMU_OPTION_no_kvm_pit_reinjection: {
3643 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3644 {
3645 .driver = "kvm-pit",
3646 .property = "lost_tick_policy",
3647 .value = "discard",
3648 },
3649 { /* end of list */ }
3650 };
3651
3652 fprintf(stderr, "Warning: option deprecated, use "
3653 "lost_tick_policy property of kvm-pit instead.\n");
3654 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3655 break;
3656 }
3657 case QEMU_OPTION_usb:
3658 olist = qemu_find_opts("machine");
3659 qemu_opts_parse(olist, "usb=on", 0);
3660 break;
3661 case QEMU_OPTION_usbdevice:
3662 olist = qemu_find_opts("machine");
3663 qemu_opts_parse(olist, "usb=on", 0);
3664 add_device_config(DEV_USB, optarg);
3665 break;
3666 case QEMU_OPTION_device:
3667 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3668 exit(1);
3669 }
3670 break;
3671 case QEMU_OPTION_smp:
3672 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3673 exit(1);
3674 }
3675 break;
3676 case QEMU_OPTION_vnc:
3677 #ifdef CONFIG_VNC
3678 if (vnc_parse_func(optarg) == NULL) {
3679 exit(1);
3680 }
3681 #else
3682 fprintf(stderr, "VNC support is disabled\n");
3683 exit(1);
3684 #endif
3685 break;
3686 case QEMU_OPTION_no_acpi:
3687 acpi_enabled = 0;
3688 break;
3689 case QEMU_OPTION_no_hpet:
3690 no_hpet = 1;
3691 break;
3692 case QEMU_OPTION_balloon:
3693 if (balloon_parse(optarg) < 0) {
3694 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3695 exit(1);
3696 }
3697 break;
3698 case QEMU_OPTION_no_reboot:
3699 no_reboot = 1;
3700 break;
3701 case QEMU_OPTION_no_shutdown:
3702 no_shutdown = 1;
3703 break;
3704 case QEMU_OPTION_show_cursor:
3705 cursor_hide = 0;
3706 break;
3707 case QEMU_OPTION_uuid:
3708 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3709 fprintf(stderr, "Fail to parse UUID string."
3710 " Wrong format.\n");
3711 exit(1);
3712 }
3713 qemu_uuid_set = true;
3714 break;
3715 case QEMU_OPTION_option_rom:
3716 if (nb_option_roms >= MAX_OPTION_ROMS) {
3717 fprintf(stderr, "Too many option ROMs\n");
3718 exit(1);
3719 }
3720 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3721 if (!opts) {
3722 exit(1);
3723 }
3724 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3725 option_rom[nb_option_roms].bootindex =
3726 qemu_opt_get_number(opts, "bootindex", -1);
3727 if (!option_rom[nb_option_roms].name) {
3728 fprintf(stderr, "Option ROM file is not specified\n");
3729 exit(1);
3730 }
3731 nb_option_roms++;
3732 break;
3733 case QEMU_OPTION_semihosting:
3734 semihosting.enabled = true;
3735 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3736 break;
3737 case QEMU_OPTION_semihosting_config:
3738 semihosting.enabled = true;
3739 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3740 optarg, 0);
3741 if (opts != NULL) {
3742 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3743 true);
3744 const char *target = qemu_opt_get(opts, "target");
3745 if (target != NULL) {
3746 if (strcmp("native", target) == 0) {
3747 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3748 } else if (strcmp("gdb", target) == 0) {
3749 semihosting.target = SEMIHOSTING_TARGET_GDB;
3750 } else if (strcmp("auto", target) == 0) {
3751 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3752 } else {
3753 fprintf(stderr, "Unsupported semihosting-config"
3754 " %s\n",
3755 optarg);
3756 exit(1);
3757 }
3758 } else {
3759 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3760 }
3761 /* Set semihosting argument count and vector */
3762 qemu_opt_foreach(opts, add_semihosting_arg,
3763 &semihosting, NULL);
3764 } else {
3765 fprintf(stderr, "Unsupported semihosting-config %s\n",
3766 optarg);
3767 exit(1);
3768 }
3769 break;
3770 case QEMU_OPTION_tdf:
3771 fprintf(stderr, "Warning: user space PIT time drift fix "
3772 "is no longer supported.\n");
3773 break;
3774 case QEMU_OPTION_name:
3775 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3776 if (!opts) {
3777 exit(1);
3778 }
3779 break;
3780 case QEMU_OPTION_prom_env:
3781 if (nb_prom_envs >= MAX_PROM_ENVS) {
3782 fprintf(stderr, "Too many prom variables\n");
3783 exit(1);
3784 }
3785 prom_envs[nb_prom_envs] = optarg;
3786 nb_prom_envs++;
3787 break;
3788 case QEMU_OPTION_old_param:
3789 old_param = 1;
3790 break;
3791 case QEMU_OPTION_clock:
3792 /* Clock options no longer exist. Keep this option for
3793 * backward compatibility.
3794 */
3795 break;
3796 case QEMU_OPTION_startdate:
3797 configure_rtc_date_offset(optarg, 1);
3798 break;
3799 case QEMU_OPTION_rtc:
3800 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3801 if (!opts) {
3802 exit(1);
3803 }
3804 configure_rtc(opts);
3805 break;
3806 case QEMU_OPTION_tb_size:
3807 tcg_tb_size = strtol(optarg, NULL, 0);
3808 if (tcg_tb_size < 0) {
3809 tcg_tb_size = 0;
3810 }
3811 break;
3812 case QEMU_OPTION_icount:
3813 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3814 optarg, 1);
3815 if (!icount_opts) {
3816 exit(1);
3817 }
3818 break;
3819 case QEMU_OPTION_incoming:
3820 if (!incoming) {
3821 runstate_set(RUN_STATE_INMIGRATE);
3822 }
3823 incoming = optarg;
3824 break;
3825 case QEMU_OPTION_nodefaults:
3826 has_defaults = 0;
3827 break;
3828 case QEMU_OPTION_xen_domid:
3829 if (!(xen_available())) {
3830 printf("Option %s not supported for this target\n", popt->name);
3831 exit(1);
3832 }
3833 xen_domid = atoi(optarg);
3834 break;
3835 case QEMU_OPTION_xen_create:
3836 if (!(xen_available())) {
3837 printf("Option %s not supported for this target\n", popt->name);
3838 exit(1);
3839 }
3840 xen_mode = XEN_CREATE;
3841 break;
3842 case QEMU_OPTION_xen_attach:
3843 if (!(xen_available())) {
3844 printf("Option %s not supported for this target\n", popt->name);
3845 exit(1);
3846 }
3847 xen_mode = XEN_ATTACH;
3848 break;
3849 case QEMU_OPTION_trace:
3850 {
3851 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3852 if (!opts) {
3853 exit(1);
3854 }
3855 trace_events = qemu_opt_get(opts, "events");
3856 trace_file = qemu_opt_get(opts, "file");
3857 break;
3858 }
3859 case QEMU_OPTION_readconfig:
3860 {
3861 int ret = qemu_read_config_file(optarg);
3862 if (ret < 0) {
3863 fprintf(stderr, "read config %s: %s\n", optarg,
3864 strerror(-ret));
3865 exit(1);
3866 }
3867 break;
3868 }
3869 case QEMU_OPTION_spice:
3870 olist = qemu_find_opts("spice");
3871 if (!olist) {
3872 fprintf(stderr, "spice is not supported by this qemu build.\n");
3873 exit(1);
3874 }
3875 opts = qemu_opts_parse(olist, optarg, 0);
3876 if (!opts) {
3877 exit(1);
3878 }
3879 display_remote++;
3880 break;
3881 case QEMU_OPTION_writeconfig:
3882 {
3883 FILE *fp;
3884 if (strcmp(optarg, "-") == 0) {
3885 fp = stdout;
3886 } else {
3887 fp = fopen(optarg, "w");
3888 if (fp == NULL) {
3889 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3890 exit(1);
3891 }
3892 }
3893 qemu_config_write(fp);
3894 if (fp != stdout) {
3895 fclose(fp);
3896 }
3897 break;
3898 }
3899 case QEMU_OPTION_qtest:
3900 qtest_chrdev = optarg;
3901 break;
3902 case QEMU_OPTION_qtest_log:
3903 qtest_log = optarg;
3904 break;
3905 case QEMU_OPTION_sandbox:
3906 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3907 if (!opts) {
3908 exit(1);
3909 }
3910 break;
3911 case QEMU_OPTION_add_fd:
3912 #ifndef _WIN32
3913 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3914 if (!opts) {
3915 exit(1);
3916 }
3917 #else
3918 error_report("File descriptor passing is disabled on this "
3919 "platform");
3920 exit(1);
3921 #endif
3922 break;
3923 case QEMU_OPTION_object:
3924 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3925 if (!opts) {
3926 exit(1);
3927 }
3928 break;
3929 case QEMU_OPTION_realtime:
3930 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3931 if (!opts) {
3932 exit(1);
3933 }
3934 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3935 break;
3936 case QEMU_OPTION_msg:
3937 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3938 if (!opts) {
3939 exit(1);
3940 }
3941 configure_msg(opts);
3942 break;
3943 case QEMU_OPTION_dump_vmstate:
3944 if (vmstate_dump_file) {
3945 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3946 "option may be given\n");
3947 exit(1);
3948 }
3949 vmstate_dump_file = fopen(optarg, "w");
3950 if (vmstate_dump_file == NULL) {
3951 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3952 exit(1);
3953 }
3954 break;
3955 default:
3956 os_parse_cmd_args(popt->index, optarg);
3957 }
3958 }
3959 }
3960
3961 opts = qemu_get_machine_opts();
3962 optarg = qemu_opt_get(opts, "type");
3963 if (optarg) {
3964 machine_class = machine_parse(optarg);
3965 }
3966
3967 if (machine_class == NULL) {
3968 fprintf(stderr, "No machine specified, and there is no default.\n"
3969 "Use -machine help to list supported machines!\n");
3970 exit(1);
3971 }
3972
3973 set_memory_options(&ram_slots, &maxram_size, machine_class);
3974
3975 loc_set_none();
3976
3977 os_daemonize();
3978
3979 if (qemu_init_main_loop(&main_loop_err)) {
3980 error_report_err(main_loop_err);
3981 exit(1);
3982 }
3983
3984 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3985 parse_sandbox, NULL, NULL)) {
3986 exit(1);
3987 }
3988
3989 if (qemu_opts_foreach(qemu_find_opts("name"),
3990 parse_name, NULL, NULL)) {
3991 exit(1);
3992 }
3993
3994 #ifndef _WIN32
3995 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3996 parse_add_fd, NULL, NULL)) {
3997 exit(1);
3998 }
3999
4000 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4001 cleanup_add_fd, NULL, NULL)) {
4002 exit(1);
4003 }
4004 #endif
4005
4006 current_machine = MACHINE(object_new(object_class_get_name(
4007 OBJECT_CLASS(machine_class))));
4008 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4009 exit(0);
4010 }
4011 object_property_add_child(object_get_root(), "machine",
4012 OBJECT(current_machine), &error_abort);
4013 cpu_exec_init_all();
4014
4015 if (machine_class->hw_version) {
4016 qemu_set_version(machine_class->hw_version);
4017 }
4018
4019 /* Init CPU def lists, based on config
4020 * - Must be called after all the qemu_read_config_file() calls
4021 * - Must be called before list_cpus()
4022 * - Must be called before machine->init()
4023 */
4024 cpudef_init();
4025
4026 if (cpu_model && is_help_option(cpu_model)) {
4027 list_cpus(stdout, &fprintf, cpu_model);
4028 exit(0);
4029 }
4030
4031 /* Open the logfile at this point and set the log mask if necessary.
4032 */
4033 if (log_file) {
4034 qemu_set_log_filename(log_file);
4035 }
4036
4037 if (log_mask) {
4038 int mask;
4039 mask = qemu_str_to_log_mask(log_mask);
4040 if (!mask) {
4041 qemu_print_log_usage(stdout);
4042 exit(1);
4043 }
4044 qemu_set_log(mask);
4045 }
4046
4047 if (!is_daemonized()) {
4048 if (!trace_init_backends(trace_events, trace_file)) {
4049 exit(1);
4050 }
4051 }
4052
4053 /* If no data_dir is specified then try to find it relative to the
4054 executable path. */
4055 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4056 data_dir[data_dir_idx] = os_find_datadir();
4057 if (data_dir[data_dir_idx] != NULL) {
4058 data_dir_idx++;
4059 }
4060 }
4061 /* If all else fails use the install path specified when building. */
4062 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4063 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4064 }
4065
4066 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4067
4068 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4069 if (max_cpus > machine_class->max_cpus) {
4070 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4071 "supported by machine `%s' (%d)\n", max_cpus,
4072 machine_class->name, machine_class->max_cpus);
4073 exit(1);
4074 }
4075
4076 /*
4077 * Get the default machine options from the machine if it is not already
4078 * specified either by the configuration file or by the command line.
4079 */
4080 if (machine_class->default_machine_opts) {
4081 qemu_opts_set_defaults(qemu_find_opts("machine"),
4082 machine_class->default_machine_opts, 0);
4083 }
4084
4085 qemu_opts_foreach(qemu_find_opts("device"),
4086 default_driver_check, NULL, NULL);
4087 qemu_opts_foreach(qemu_find_opts("global"),
4088 default_driver_check, NULL, NULL);
4089
4090 if (!vga_model && !default_vga) {
4091 vga_interface_type = VGA_DEVICE;
4092 }
4093 if (!has_defaults || machine_class->no_serial) {
4094 default_serial = 0;
4095 }
4096 if (!has_defaults || machine_class->no_parallel) {
4097 default_parallel = 0;
4098 }
4099 if (!has_defaults || !machine_class->use_virtcon) {
4100 default_virtcon = 0;
4101 }
4102 if (!has_defaults || !machine_class->use_sclp) {
4103 default_sclp = 0;
4104 }
4105 if (!has_defaults || machine_class->no_floppy) {
4106 default_floppy = 0;
4107 }
4108 if (!has_defaults || machine_class->no_cdrom) {
4109 default_cdrom = 0;
4110 }
4111 if (!has_defaults || machine_class->no_sdcard) {
4112 default_sdcard = 0;
4113 }
4114 if (!has_defaults) {
4115 default_monitor = 0;
4116 default_net = 0;
4117 default_vga = 0;
4118 }
4119
4120 if (is_daemonized()) {
4121 /* According to documentation and historically, -nographic redirects
4122 * serial port, parallel port and monitor to stdio, which does not work
4123 * with -daemonize. We can redirect these to null instead, but since
4124 * -nographic is legacy, let's just error out.
4125 * We disallow -nographic only if all other ports are not redirected
4126 * explicitly, to not break existing legacy setups which uses
4127 * -nographic _and_ redirects all ports explicitly - this is valid
4128 * usage, -nographic is just a no-op in this case.
4129 */
4130 if (display_type == DT_NOGRAPHIC
4131 && (default_parallel || default_serial
4132 || default_monitor || default_virtcon)) {
4133 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4134 exit(1);
4135 }
4136 #ifdef CONFIG_CURSES
4137 if (display_type == DT_CURSES) {
4138 fprintf(stderr, "curses display can not be used with -daemonize\n");
4139 exit(1);
4140 }
4141 #endif
4142 }
4143
4144 if (display_type == DT_NOGRAPHIC) {
4145 if (default_parallel)
4146 add_device_config(DEV_PARALLEL, "null");
4147 if (default_serial && default_monitor) {
4148 add_device_config(DEV_SERIAL, "mon:stdio");
4149 } else if (default_virtcon && default_monitor) {
4150 add_device_config(DEV_VIRTCON, "mon:stdio");
4151 } else if (default_sclp && default_monitor) {
4152 add_device_config(DEV_SCLP, "mon:stdio");
4153 } else {
4154 if (default_serial)
4155 add_device_config(DEV_SERIAL, "stdio");
4156 if (default_virtcon)
4157 add_device_config(DEV_VIRTCON, "stdio");
4158 if (default_sclp) {
4159 add_device_config(DEV_SCLP, "stdio");
4160 }
4161 if (default_monitor)
4162 monitor_parse("stdio", "readline", false);
4163 }
4164 } else {
4165 if (default_serial)
4166 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4167 if (default_parallel)
4168 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4169 if (default_monitor)
4170 monitor_parse("vc:80Cx24C", "readline", false);
4171 if (default_virtcon)
4172 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4173 if (default_sclp) {
4174 add_device_config(DEV_SCLP, "vc:80Cx24C");
4175 }
4176 }
4177
4178 #if defined(CONFIG_VNC)
4179 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4180 display_remote++;
4181 }
4182 #endif
4183 if (display_type == DT_DEFAULT && !display_remote) {
4184 #if defined(CONFIG_GTK)
4185 display_type = DT_GTK;
4186 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4187 display_type = DT_SDL;
4188 #elif defined(CONFIG_VNC)
4189 vnc_parse_func("localhost:0,to=99,id=default");
4190 show_vnc_port = 1;
4191 #else
4192 display_type = DT_NONE;
4193 #endif
4194 }
4195
4196 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4197 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4198 "for SDL, ignoring option\n");
4199 }
4200 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4201 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4202 "ignoring option\n");
4203 }
4204
4205 #if defined(CONFIG_GTK)
4206 if (display_type == DT_GTK) {
4207 early_gtk_display_init(request_opengl);
4208 }
4209 #endif
4210 #if defined(CONFIG_SDL)
4211 if (display_type == DT_SDL) {
4212 sdl_display_early_init(request_opengl);
4213 }
4214 #endif
4215 if (request_opengl == 1 && display_opengl == 0) {
4216 #if defined(CONFIG_OPENGL)
4217 fprintf(stderr, "OpenGL is not supported by the display.\n");
4218 #else
4219 fprintf(stderr, "QEMU was built without opengl support.\n");
4220 #endif
4221 exit(1);
4222 }
4223
4224 socket_init();
4225
4226 if (qemu_opts_foreach(qemu_find_opts("object"),
4227 object_create,
4228 object_create_initial, NULL)) {
4229 exit(1);
4230 }
4231
4232 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4233 chardev_init_func, NULL, NULL)) {
4234 exit(1);
4235 }
4236
4237 #ifdef CONFIG_VIRTFS
4238 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4239 fsdev_init_func, NULL, NULL)) {
4240 exit(1);
4241 }
4242 #endif
4243
4244 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4245 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4246 exit(1);
4247 }
4248
4249 if (qemu_opts_foreach(qemu_find_opts("device"),
4250 device_help_func, NULL, NULL)) {
4251 exit(0);
4252 }
4253
4254 if (qemu_opts_foreach(qemu_find_opts("object"),
4255 object_create,
4256 object_create_delayed, NULL)) {
4257 exit(1);
4258 }
4259
4260 machine_opts = qemu_get_machine_opts();
4261 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4262 NULL)) {
4263 object_unref(OBJECT(current_machine));
4264 exit(1);
4265 }
4266
4267 configure_accelerator(current_machine);
4268
4269 if (qtest_chrdev) {
4270 Error *local_err = NULL;
4271 qtest_init(qtest_chrdev, qtest_log, &local_err);
4272 if (local_err) {
4273 error_report_err(local_err);
4274 exit(1);
4275 }
4276 }
4277
4278 machine_opts = qemu_get_machine_opts();
4279 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4280 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4281 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4282 bios_name = qemu_opt_get(machine_opts, "firmware");
4283
4284 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4285 if (opts) {
4286 Error *local_err = NULL;
4287
4288 boot_order = qemu_opt_get(opts, "order");
4289 if (boot_order) {
4290 validate_bootdevices(boot_order, &local_err);
4291 if (local_err) {
4292 error_report_err(local_err);
4293 exit(1);
4294 }
4295 }
4296
4297 boot_once = qemu_opt_get(opts, "once");
4298 if (boot_once) {
4299 validate_bootdevices(boot_once, &local_err);
4300 if (local_err) {
4301 error_report_err(local_err);
4302 exit(1);
4303 }
4304 }
4305
4306 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4307 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4308 }
4309
4310 if (!boot_order) {
4311 boot_order = machine_class->default_boot_order;
4312 }
4313
4314 if (!kernel_cmdline) {
4315 kernel_cmdline = "";
4316 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4317 }
4318
4319 linux_boot = (kernel_filename != NULL);
4320
4321 if (!linux_boot && *kernel_cmdline != '\0') {
4322 fprintf(stderr, "-append only allowed with -kernel option\n");
4323 exit(1);
4324 }
4325
4326 if (!linux_boot && initrd_filename != NULL) {
4327 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4328 exit(1);
4329 }
4330
4331 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4332 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4333 exit(1);
4334 }
4335
4336 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4337 /* fall back to the -kernel/-append */
4338 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4339 }
4340
4341 os_set_line_buffering();
4342
4343 #ifdef CONFIG_SPICE
4344 /* spice needs the timers to be initialized by this point */
4345 qemu_spice_init();
4346 #endif
4347
4348 cpu_ticks_init();
4349 if (icount_opts) {
4350 if (kvm_enabled() || xen_enabled()) {
4351 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4352 exit(1);
4353 }
4354 configure_icount(icount_opts, &error_abort);
4355 qemu_opts_del(icount_opts);
4356 }
4357
4358 /* clean up network at qemu process termination */
4359 atexit(&net_cleanup);
4360
4361 if (net_init_clients() < 0) {
4362 exit(1);
4363 }
4364
4365 #ifdef CONFIG_TPM
4366 if (tpm_init() < 0) {
4367 exit(1);
4368 }
4369 #endif
4370
4371 /* init the bluetooth world */
4372 if (foreach_device_config(DEV_BT, bt_parse))
4373 exit(1);
4374
4375 if (!xen_enabled()) {
4376 /* On 32-bit hosts, QEMU is limited by virtual address space */
4377 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4378 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4379 exit(1);
4380 }
4381 }
4382
4383 blk_mig_init();
4384 ram_mig_init();
4385
4386 /* If the currently selected machine wishes to override the units-per-bus
4387 * property of its default HBA interface type, do so now. */
4388 if (machine_class->units_per_default_bus) {
4389 override_max_devs(machine_class->block_default_type,
4390 machine_class->units_per_default_bus);
4391 }
4392
4393 /* open the virtual block devices */
4394 if (snapshot)
4395 qemu_opts_foreach(qemu_find_opts("drive"),
4396 drive_enable_snapshot, NULL, NULL);
4397 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4398 &machine_class->block_default_type, NULL)) {
4399 exit(1);
4400 }
4401
4402 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4403 CDROM_OPTS);
4404 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4405 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4406
4407 parse_numa_opts(machine_class);
4408
4409 if (qemu_opts_foreach(qemu_find_opts("mon"),
4410 mon_init_func, NULL, NULL)) {
4411 exit(1);
4412 }
4413
4414 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4415 exit(1);
4416 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4417 exit(1);
4418 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4419 exit(1);
4420 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4421 exit(1);
4422 }
4423 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4424 exit(1);
4425
4426 /* If no default VGA is requested, the default is "none". */
4427 if (default_vga) {
4428 if (machine_class->default_display) {
4429 vga_model = machine_class->default_display;
4430 } else if (cirrus_vga_available()) {
4431 vga_model = "cirrus";
4432 } else if (vga_available()) {
4433 vga_model = "std";
4434 }
4435 }
4436 if (vga_model) {
4437 select_vgahw(vga_model);
4438 }
4439
4440 if (watchdog) {
4441 i = select_watchdog(watchdog);
4442 if (i > 0)
4443 exit (i == 1 ? 1 : 0);
4444 }
4445
4446 if (machine_class->compat_props) {
4447 qdev_prop_register_global_list(machine_class->compat_props);
4448 }
4449 qemu_add_globals();
4450
4451 qdev_machine_init();
4452
4453 current_machine->ram_size = ram_size;
4454 current_machine->maxram_size = maxram_size;
4455 current_machine->ram_slots = ram_slots;
4456 current_machine->boot_order = boot_order;
4457 current_machine->cpu_model = cpu_model;
4458
4459 machine_class->init(current_machine);
4460
4461 realtime_init();
4462
4463 audio_init();
4464
4465 cpu_synchronize_all_post_init();
4466
4467 numa_post_machine_init();
4468
4469 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4470 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4471 exit(1);
4472 }
4473
4474 /* init USB devices */
4475 if (usb_enabled()) {
4476 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4477 exit(1);
4478 }
4479
4480 /* init generic devices */
4481 if (qemu_opts_foreach(qemu_find_opts("device"),
4482 device_init_func, NULL, NULL)) {
4483 exit(1);
4484 }
4485
4486 /* Did we create any drives that we failed to create a device for? */
4487 drive_check_orphaned();
4488
4489 net_check_clients();
4490
4491 if (boot_once) {
4492 Error *local_err = NULL;
4493 qemu_boot_set(boot_once, &local_err);
4494 if (local_err) {
4495 error_report("%s", error_get_pretty(local_err));
4496 exit(1);
4497 }
4498 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4499 }
4500
4501 ds = init_displaystate();
4502
4503 /* init local displays */
4504 switch (display_type) {
4505 case DT_NOGRAPHIC:
4506 (void)ds; /* avoid warning if no display is configured */
4507 break;
4508 #if defined(CONFIG_CURSES)
4509 case DT_CURSES:
4510 curses_display_init(ds, full_screen);
4511 break;
4512 #endif
4513 #if defined(CONFIG_SDL)
4514 case DT_SDL:
4515 sdl_display_init(ds, full_screen, no_frame);
4516 break;
4517 #elif defined(CONFIG_COCOA)
4518 case DT_SDL:
4519 cocoa_display_init(ds, full_screen);
4520 break;
4521 #endif
4522 #if defined(CONFIG_GTK)
4523 case DT_GTK:
4524 gtk_display_init(ds, full_screen, grab_on_hover);
4525 break;
4526 #endif
4527 default:
4528 break;
4529 }
4530
4531 /* must be after terminal init, SDL library changes signal handlers */
4532 os_setup_signal_handling();
4533
4534 #ifdef CONFIG_VNC
4535 /* init remote displays */
4536 qemu_opts_foreach(qemu_find_opts("vnc"),
4537 vnc_init_func, NULL, NULL);
4538 if (show_vnc_port) {
4539 char *ret = vnc_display_local_addr("default");
4540 printf("VNC server running on `%s'\n", ret);
4541 g_free(ret);
4542 }
4543 #endif
4544 #ifdef CONFIG_SPICE
4545 if (using_spice) {
4546 qemu_spice_display_init();
4547 }
4548 #endif
4549
4550 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4551 exit(1);
4552 }
4553
4554 qdev_machine_creation_done();
4555
4556 if (rom_load_all() != 0) {
4557 fprintf(stderr, "rom loading failed\n");
4558 exit(1);
4559 }
4560
4561 /* TODO: once all bus devices are qdevified, this should be done
4562 * when bus is created by qdev.c */
4563 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4564 qemu_run_machine_init_done_notifiers();
4565
4566 /* Done notifiers can load ROMs */
4567 rom_load_done();
4568
4569 qemu_system_reset(VMRESET_SILENT);
4570 if (loadvm) {
4571 if (load_vmstate(loadvm) < 0) {
4572 autostart = 0;
4573 }
4574 }
4575
4576 qdev_prop_check_globals();
4577 if (vmstate_dump_file) {
4578 /* dump and exit */
4579 dump_vmstate_json_to_file(vmstate_dump_file);
4580 return 0;
4581 }
4582
4583 if (incoming) {
4584 Error *local_err = NULL;
4585 qemu_start_incoming_migration(incoming, &local_err);
4586 if (local_err) {
4587 error_report("-incoming %s: %s", incoming,
4588 error_get_pretty(local_err));
4589 error_free(local_err);
4590 exit(1);
4591 }
4592 } else if (autostart) {
4593 vm_start();
4594 }
4595
4596 os_setup_post();
4597
4598 if (is_daemonized()) {
4599 if (!trace_init_backends(trace_events, trace_file)) {
4600 exit(1);
4601 }
4602 }
4603
4604 main_loop();
4605 bdrv_close_all();
4606 pause_all_vcpus();
4607 res_free();
4608 #ifdef CONFIG_TPM
4609 tpm_cleanup();
4610 #endif
4611
4612 return 0;
4613 }
AR7 emulation for QEMU