?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
runstate: Add runstate store
[qemu.git] / vl.c
blobfec7e930d415dfeed808bf1bbaccae1022f3aa74
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int request_opengl = -1;
134 int display_opengl;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 #ifdef CONFIG_GTK
152 static bool grab_on_hover;
153 #endif
154 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
155 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
156 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus = 1;
161 int max_cpus = 0;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
191 uint8_t qemu_uuid[16];
192 bool qemu_uuid_set;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203
204 static int has_defaults = 1;
205 static int default_serial = 1;
206 static int default_parallel = 1;
207 static int default_virtcon = 1;
208 static int default_sclp = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
235 { .driver = "virtio-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_trace_opts = {
270 .name = "trace",
271 .implied_opt_name = "trace",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
273 .desc = {
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 }, {
474 .name = "sleep",
475 .type = QEMU_OPT_BOOL,
476 },
477 { /* end of list */ }
478 },
479 };
480
481 static QemuOptsList qemu_semihosting_config_opts = {
482 .name = "semihosting-config",
483 .implied_opt_name = "enable",
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
485 .desc = {
486 {
487 .name = "enable",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "target",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "arg",
494 .type = QEMU_OPT_STRING,
495 },
496 { /* end of list */ }
497 },
498 };
499
500 static QemuOptsList qemu_fw_cfg_opts = {
501 .name = "fw_cfg",
502 .implied_opt_name = "name",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
504 .desc = {
505 {
506 .name = "name",
507 .type = QEMU_OPT_STRING,
508 .help = "Sets the fw_cfg name of the blob to be inserted",
509 }, {
510 .name = "file",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets the name of the file from which\n"
513 "the fw_cfg blob will be loaded",
514 },
515 { /* end of list */ }
516 },
517 };
518
519 /**
520 * Get machine options
521 *
522 * Returns: machine options (never null).
523 */
524 QemuOpts *qemu_get_machine_opts(void)
525 {
526 return qemu_find_opts_singleton("machine");
527 }
528
529 const char *qemu_get_vm_name(void)
530 {
531 return qemu_name;
532 }
533
534 static void res_free(void)
535 {
536 if (boot_splash_filedata != NULL) {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540 }
541
542 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
543 {
544 const char *driver = qemu_opt_get(opts, "driver");
545 int i;
546
547 if (!driver)
548 return 0;
549 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
550 if (strcmp(default_list[i].driver, driver) != 0)
551 continue;
552 *(default_list[i].flag) = 0;
553 }
554 return 0;
555 }
556
557 /***********************************************************/
558 /* QEMU state */
559
560 static RunState current_run_state = RUN_STATE_PRELAUNCH;
561
562 /* We use RUN_STATE_MAX but any invalid value will do */
563 static RunState vmstop_requested = RUN_STATE_MAX;
564 static QemuMutex vmstop_lock;
565
566 typedef struct {
567 RunState from;
568 RunState to;
569 } RunStateTransition;
570
571 static const RunStateTransition runstate_transitions_def[] = {
572 /* from -> to */
573 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
574 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575
576 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
580 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
581
582 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
583 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
584
585 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
586 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
587
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
590
591 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
594
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
596 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
597
598 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
599
600 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
601 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
603 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
604 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
605 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
607 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
608 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
609 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
610
611 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
612
613 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
614 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
615
616 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
617 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
618 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
619 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
622 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
623
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
625 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
626
627 { RUN_STATE_MAX, RUN_STATE_MAX },
628 };
629
630 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
631
632 bool runstate_check(RunState state)
633 {
634 return current_run_state == state;
635 }
636
637 bool runstate_store(char *str, size_t size)
638 {
639 const char *state = RunState_lookup[current_run_state];
640 size_t len = strlen(state) + 1;
641
642 if (len > size) {
643 return false;
644 }
645 memcpy(str, state, len);
646 return true;
647 }
648
649 static void runstate_init(void)
650 {
651 const RunStateTransition *p;
652
653 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
654 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
655 runstate_valid_transitions[p->from][p->to] = true;
656 }
657
658 qemu_mutex_init(&vmstop_lock);
659 }
660
661 /* This function will abort() on invalid state transitions */
662 void runstate_set(RunState new_state)
663 {
664 assert(new_state < RUN_STATE_MAX);
665
666 if (!runstate_valid_transitions[current_run_state][new_state]) {
667 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
668 RunState_lookup[current_run_state],
669 RunState_lookup[new_state]);
670 abort();
671 }
672 trace_runstate_set(new_state);
673 current_run_state = new_state;
674 }
675
676 int runstate_is_running(void)
677 {
678 return runstate_check(RUN_STATE_RUNNING);
679 }
680
681 bool runstate_needs_reset(void)
682 {
683 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
684 runstate_check(RUN_STATE_SHUTDOWN);
685 }
686
687 StatusInfo *qmp_query_status(Error **errp)
688 {
689 StatusInfo *info = g_malloc0(sizeof(*info));
690
691 info->running = runstate_is_running();
692 info->singlestep = singlestep;
693 info->status = current_run_state;
694
695 return info;
696 }
697
698 static bool qemu_vmstop_requested(RunState *r)
699 {
700 qemu_mutex_lock(&vmstop_lock);
701 *r = vmstop_requested;
702 vmstop_requested = RUN_STATE_MAX;
703 qemu_mutex_unlock(&vmstop_lock);
704 return *r < RUN_STATE_MAX;
705 }
706
707 void qemu_system_vmstop_request_prepare(void)
708 {
709 qemu_mutex_lock(&vmstop_lock);
710 }
711
712 void qemu_system_vmstop_request(RunState state)
713 {
714 vmstop_requested = state;
715 qemu_mutex_unlock(&vmstop_lock);
716 qemu_notify_event();
717 }
718
719 void vm_start(void)
720 {
721 RunState requested;
722
723 qemu_vmstop_requested(&requested);
724 if (runstate_is_running() && requested == RUN_STATE_MAX) {
725 return;
726 }
727
728 /* Ensure that a STOP/RESUME pair of events is emitted if a
729 * vmstop request was pending. The BLOCK_IO_ERROR event, for
730 * example, according to documentation is always followed by
731 * the STOP event.
732 */
733 if (runstate_is_running()) {
734 qapi_event_send_stop(&error_abort);
735 } else {
736 cpu_enable_ticks();
737 runstate_set(RUN_STATE_RUNNING);
738 vm_state_notify(1, RUN_STATE_RUNNING);
739 resume_all_vcpus();
740 }
741
742 qapi_event_send_resume(&error_abort);
743 }
744
745
746 /***********************************************************/
747 /* real time host monotonic timer */
748
749 static time_t qemu_time(void)
750 {
751 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
752 }
753
754 /***********************************************************/
755 /* host time/date access */
756 void qemu_get_timedate(struct tm *tm, int offset)
757 {
758 time_t ti = qemu_time();
759
760 ti += offset;
761 if (rtc_date_offset == -1) {
762 if (rtc_utc)
763 gmtime_r(&ti, tm);
764 else
765 localtime_r(&ti, tm);
766 } else {
767 ti -= rtc_date_offset;
768 gmtime_r(&ti, tm);
769 }
770 }
771
772 int qemu_timedate_diff(struct tm *tm)
773 {
774 time_t seconds;
775
776 if (rtc_date_offset == -1)
777 if (rtc_utc)
778 seconds = mktimegm(tm);
779 else {
780 struct tm tmp = *tm;
781 tmp.tm_isdst = -1; /* use timezone to figure it out */
782 seconds = mktime(&tmp);
783 }
784 else
785 seconds = mktimegm(tm) + rtc_date_offset;
786
787 return seconds - qemu_time();
788 }
789
790 static void configure_rtc_date_offset(const char *startdate, int legacy)
791 {
792 time_t rtc_start_date;
793 struct tm tm;
794
795 if (!strcmp(startdate, "now") && legacy) {
796 rtc_date_offset = -1;
797 } else {
798 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
799 &tm.tm_year,
800 &tm.tm_mon,
801 &tm.tm_mday,
802 &tm.tm_hour,
803 &tm.tm_min,
804 &tm.tm_sec) == 6) {
805 /* OK */
806 } else if (sscanf(startdate, "%d-%d-%d",
807 &tm.tm_year,
808 &tm.tm_mon,
809 &tm.tm_mday) == 3) {
810 tm.tm_hour = 0;
811 tm.tm_min = 0;
812 tm.tm_sec = 0;
813 } else {
814 goto date_fail;
815 }
816 tm.tm_year -= 1900;
817 tm.tm_mon--;
818 rtc_start_date = mktimegm(&tm);
819 if (rtc_start_date == -1) {
820 date_fail:
821 fprintf(stderr, "Invalid date format. Valid formats are:\n"
822 "'2006-06-17T16:01:21' or '2006-06-17'\n");
823 exit(1);
824 }
825 rtc_date_offset = qemu_time() - rtc_start_date;
826 }
827 }
828
829 static void configure_rtc(QemuOpts *opts)
830 {
831 const char *value;
832
833 value = qemu_opt_get(opts, "base");
834 if (value) {
835 if (!strcmp(value, "utc")) {
836 rtc_utc = 1;
837 } else if (!strcmp(value, "localtime")) {
838 rtc_utc = 0;
839 } else {
840 configure_rtc_date_offset(value, 0);
841 }
842 }
843 value = qemu_opt_get(opts, "clock");
844 if (value) {
845 if (!strcmp(value, "host")) {
846 rtc_clock = QEMU_CLOCK_HOST;
847 } else if (!strcmp(value, "rt")) {
848 rtc_clock = QEMU_CLOCK_REALTIME;
849 } else if (!strcmp(value, "vm")) {
850 rtc_clock = QEMU_CLOCK_VIRTUAL;
851 } else {
852 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
853 exit(1);
854 }
855 }
856 value = qemu_opt_get(opts, "driftfix");
857 if (value) {
858 if (!strcmp(value, "slew")) {
859 static GlobalProperty slew_lost_ticks[] = {
860 {
861 .driver = "mc146818rtc",
862 .property = "lost_tick_policy",
863 .value = "slew",
864 },
865 { /* end of list */ }
866 };
867
868 qdev_prop_register_global_list(slew_lost_ticks);
869 } else if (!strcmp(value, "none")) {
870 /* discard is default */
871 } else {
872 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
873 exit(1);
874 }
875 }
876 }
877
878 /***********************************************************/
879 /* Bluetooth support */
880 static int nb_hcis;
881 static int cur_hci;
882 static struct HCIInfo *hci_table[MAX_NICS];
883
884 struct HCIInfo *qemu_next_hci(void)
885 {
886 if (cur_hci == nb_hcis)
887 return &null_hci;
888
889 return hci_table[cur_hci++];
890 }
891
892 static int bt_hci_parse(const char *str)
893 {
894 struct HCIInfo *hci;
895 bdaddr_t bdaddr;
896
897 if (nb_hcis >= MAX_NICS) {
898 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
899 return -1;
900 }
901
902 hci = hci_init(str);
903 if (!hci)
904 return -1;
905
906 bdaddr.b[0] = 0x52;
907 bdaddr.b[1] = 0x54;
908 bdaddr.b[2] = 0x00;
909 bdaddr.b[3] = 0x12;
910 bdaddr.b[4] = 0x34;
911 bdaddr.b[5] = 0x56 + nb_hcis;
912 hci->bdaddr_set(hci, bdaddr.b);
913
914 hci_table[nb_hcis++] = hci;
915
916 return 0;
917 }
918
919 static void bt_vhci_add(int vlan_id)
920 {
921 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
922
923 if (!vlan->slave)
924 fprintf(stderr, "qemu: warning: adding a VHCI to "
925 "an empty scatternet %i\n", vlan_id);
926
927 bt_vhci_init(bt_new_hci(vlan));
928 }
929
930 static struct bt_device_s *bt_device_add(const char *opt)
931 {
932 struct bt_scatternet_s *vlan;
933 int vlan_id = 0;
934 char *endp = strstr(opt, ",vlan=");
935 int len = (endp ? endp - opt : strlen(opt)) + 1;
936 char devname[10];
937
938 pstrcpy(devname, MIN(sizeof(devname), len), opt);
939
940 if (endp) {
941 vlan_id = strtol(endp + 6, &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
944 return 0;
945 }
946 }
947
948 vlan = qemu_find_bt_vlan(vlan_id);
949
950 if (!vlan->slave)
951 fprintf(stderr, "qemu: warning: adding a slave device to "
952 "an empty scatternet %i\n", vlan_id);
953
954 if (!strcmp(devname, "keyboard"))
955 return bt_keyboard_init(vlan);
956
957 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
958 return 0;
959 }
960
961 static int bt_parse(const char *opt)
962 {
963 const char *endp, *p;
964 int vlan;
965
966 if (strstart(opt, "hci", &endp)) {
967 if (!*endp || *endp == ',') {
968 if (*endp)
969 if (!strstart(endp, ",vlan=", 0))
970 opt = endp + 1;
971
972 return bt_hci_parse(opt);
973 }
974 } else if (strstart(opt, "vhci", &endp)) {
975 if (!*endp || *endp == ',') {
976 if (*endp) {
977 if (strstart(endp, ",vlan=", &p)) {
978 vlan = strtol(p, (char **) &endp, 0);
979 if (*endp) {
980 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
981 return 1;
982 }
983 } else {
984 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
985 return 1;
986 }
987 } else
988 vlan = 0;
989
990 bt_vhci_add(vlan);
991 return 0;
992 }
993 } else if (strstart(opt, "device:", &endp))
994 return !bt_device_add(endp);
995
996 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
997 return 1;
998 }
999
1000 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1001 {
1002 /* FIXME: change this to true for 1.3 */
1003 if (qemu_opt_get_bool(opts, "enable", false)) {
1004 #ifdef CONFIG_SECCOMP
1005 if (seccomp_start() < 0) {
1006 error_report("failed to install seccomp syscall filter "
1007 "in the kernel");
1008 return -1;
1009 }
1010 #else
1011 error_report("sandboxing request but seccomp is not compiled "
1012 "into this build");
1013 return -1;
1014 #endif
1015 }
1016
1017 return 0;
1018 }
1019
1020 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1021 {
1022 const char *proc_name;
1023
1024 if (qemu_opt_get(opts, "debug-threads")) {
1025 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1026 }
1027 qemu_name = qemu_opt_get(opts, "guest");
1028
1029 proc_name = qemu_opt_get(opts, "process");
1030 if (proc_name) {
1031 os_set_proc_name(proc_name);
1032 }
1033
1034 return 0;
1035 }
1036
1037 bool defaults_enabled(void)
1038 {
1039 return has_defaults;
1040 }
1041
1042 bool usb_enabled(void)
1043 {
1044 return machine_usb(current_machine);
1045 }
1046
1047 #ifndef _WIN32
1048 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1049 {
1050 int fd, dupfd, flags;
1051 int64_t fdset_id;
1052 const char *fd_opaque = NULL;
1053 AddfdInfo *fdinfo;
1054
1055 fd = qemu_opt_get_number(opts, "fd", -1);
1056 fdset_id = qemu_opt_get_number(opts, "set", -1);
1057 fd_opaque = qemu_opt_get(opts, "opaque");
1058
1059 if (fd < 0) {
1060 error_report("fd option is required and must be non-negative");
1061 return -1;
1062 }
1063
1064 if (fd <= STDERR_FILENO) {
1065 error_report("fd cannot be a standard I/O stream");
1066 return -1;
1067 }
1068
1069 /*
1070 * All fds inherited across exec() necessarily have FD_CLOEXEC
1071 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1072 */
1073 flags = fcntl(fd, F_GETFD);
1074 if (flags == -1 || (flags & FD_CLOEXEC)) {
1075 error_report("fd is not valid or already in use");
1076 return -1;
1077 }
1078
1079 if (fdset_id < 0) {
1080 error_report("set option is required and must be non-negative");
1081 return -1;
1082 }
1083
1084 #ifdef F_DUPFD_CLOEXEC
1085 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1086 #else
1087 dupfd = dup(fd);
1088 if (dupfd != -1) {
1089 qemu_set_cloexec(dupfd);
1090 }
1091 #endif
1092 if (dupfd == -1) {
1093 error_report("Error duplicating fd: %s", strerror(errno));
1094 return -1;
1095 }
1096
1097 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1098 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1099 &error_abort);
1100 g_free(fdinfo);
1101
1102 return 0;
1103 }
1104
1105 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1106 {
1107 int fd;
1108
1109 fd = qemu_opt_get_number(opts, "fd", -1);
1110 close(fd);
1111
1112 return 0;
1113 }
1114 #endif
1115
1116 /***********************************************************/
1117 /* QEMU Block devices */
1118
1119 #define HD_OPTS "media=disk"
1120 #define CDROM_OPTS "media=cdrom"
1121 #define FD_OPTS ""
1122 #define PFLASH_OPTS ""
1123 #define MTD_OPTS ""
1124 #define SD_OPTS ""
1125
1126 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1127 {
1128 BlockInterfaceType *block_default_type = opaque;
1129
1130 return drive_new(opts, *block_default_type) == NULL;
1131 }
1132
1133 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 if (qemu_opt_get(opts, "snapshot") == NULL) {
1136 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1137 }
1138 return 0;
1139 }
1140
1141 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1142 int index, const char *optstr)
1143 {
1144 QemuOpts *opts;
1145 DriveInfo *dinfo;
1146
1147 if (!enable || drive_get_by_index(type, index)) {
1148 return;
1149 }
1150
1151 opts = drive_add(type, index, NULL, optstr);
1152 if (snapshot) {
1153 drive_enable_snapshot(NULL, opts, NULL);
1154 }
1155
1156 dinfo = drive_new(opts, type);
1157 if (!dinfo) {
1158 exit(1);
1159 }
1160 dinfo->is_default = true;
1161
1162 }
1163
1164 static QemuOptsList qemu_smp_opts = {
1165 .name = "smp-opts",
1166 .implied_opt_name = "cpus",
1167 .merge_lists = true,
1168 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1169 .desc = {
1170 {
1171 .name = "cpus",
1172 .type = QEMU_OPT_NUMBER,
1173 }, {
1174 .name = "sockets",
1175 .type = QEMU_OPT_NUMBER,
1176 }, {
1177 .name = "cores",
1178 .type = QEMU_OPT_NUMBER,
1179 }, {
1180 .name = "threads",
1181 .type = QEMU_OPT_NUMBER,
1182 }, {
1183 .name = "maxcpus",
1184 .type = QEMU_OPT_NUMBER,
1185 },
1186 { /*End of list */ }
1187 },
1188 };
1189
1190 static void smp_parse(QemuOpts *opts)
1191 {
1192 if (opts) {
1193
1194 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1195 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1196 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1197 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1198
1199 /* compute missing values, prefer sockets over cores over threads */
1200 if (cpus == 0 || sockets == 0) {
1201 sockets = sockets > 0 ? sockets : 1;
1202 cores = cores > 0 ? cores : 1;
1203 threads = threads > 0 ? threads : 1;
1204 if (cpus == 0) {
1205 cpus = cores * threads * sockets;
1206 }
1207 } else if (cores == 0) {
1208 threads = threads > 0 ? threads : 1;
1209 cores = cpus / (sockets * threads);
1210 } else if (threads == 0) {
1211 threads = cpus / (cores * sockets);
1212 } else if (sockets * cores * threads < cpus) {
1213 fprintf(stderr, "cpu topology: error: "
1214 "sockets (%u) * cores (%u) * threads (%u) < "
1215 "smp_cpus (%u)\n",
1216 sockets, cores, threads, cpus);
1217 exit(1);
1218 }
1219
1220 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1221
1222 smp_cpus = cpus;
1223 smp_cores = cores > 0 ? cores : 1;
1224 smp_threads = threads > 0 ? threads : 1;
1225
1226 }
1227
1228 if (max_cpus == 0) {
1229 max_cpus = smp_cpus;
1230 }
1231
1232 if (max_cpus > MAX_CPUMASK_BITS) {
1233 fprintf(stderr, "Unsupported number of maxcpus\n");
1234 exit(1);
1235 }
1236 if (max_cpus < smp_cpus) {
1237 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1238 exit(1);
1239 }
1240
1241 }
1242
1243 static void realtime_init(void)
1244 {
1245 if (enable_mlock) {
1246 if (os_mlock() < 0) {
1247 fprintf(stderr, "qemu: locking memory failed\n");
1248 exit(1);
1249 }
1250 }
1251 }
1252
1253
1254 static void configure_msg(QemuOpts *opts)
1255 {
1256 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1257 }
1258
1259 /***********************************************************/
1260 /* Semihosting */
1261
1262 typedef struct SemihostingConfig {
1263 bool enabled;
1264 SemihostingTarget target;
1265 const char **argv;
1266 int argc;
1267 const char *cmdline; /* concatenated argv */
1268 } SemihostingConfig;
1269
1270 static SemihostingConfig semihosting;
1271
1272 bool semihosting_enabled(void)
1273 {
1274 return semihosting.enabled;
1275 }
1276
1277 SemihostingTarget semihosting_get_target(void)
1278 {
1279 return semihosting.target;
1280 }
1281
1282 const char *semihosting_get_arg(int i)
1283 {
1284 if (i >= semihosting.argc) {
1285 return NULL;
1286 }
1287 return semihosting.argv[i];
1288 }
1289
1290 int semihosting_get_argc(void)
1291 {
1292 return semihosting.argc;
1293 }
1294
1295 const char *semihosting_get_cmdline(void)
1296 {
1297 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1298 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1299 }
1300 return semihosting.cmdline;
1301 }
1302
1303 static int add_semihosting_arg(void *opaque,
1304 const char *name, const char *val,
1305 Error **errp)
1306 {
1307 SemihostingConfig *s = opaque;
1308 if (strcmp(name, "arg") == 0) {
1309 s->argc++;
1310 /* one extra element as g_strjoinv() expects NULL-terminated array */
1311 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1312 s->argv[s->argc - 1] = val;
1313 s->argv[s->argc] = NULL;
1314 }
1315 return 0;
1316 }
1317
1318 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1319 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1320 {
1321 char *cmd_token;
1322
1323 /* argv[0] */
1324 add_semihosting_arg(&semihosting, "arg", file, NULL);
1325
1326 /* split -append and initialize argv[1..n] */
1327 cmd_token = strtok(g_strdup(cmd), " ");
1328 while (cmd_token) {
1329 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1330 cmd_token = strtok(NULL, " ");
1331 }
1332 }
1333
1334 /***********************************************************/
1335 /* USB devices */
1336
1337 static int usb_device_add(const char *devname)
1338 {
1339 USBDevice *dev = NULL;
1340 #ifndef CONFIG_LINUX
1341 const char *p;
1342 #endif
1343
1344 if (!usb_enabled()) {
1345 return -1;
1346 }
1347
1348 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1349 dev = usbdevice_create(devname);
1350 if (dev)
1351 goto done;
1352
1353 /* the other ones */
1354 #ifndef CONFIG_LINUX
1355 /* only the linux version is qdev-ified, usb-bsd still needs this */
1356 if (strstart(devname, "host:", &p)) {
1357 dev = usb_host_device_open(usb_bus_find(-1), p);
1358 }
1359 #endif
1360 if (!dev)
1361 return -1;
1362
1363 done:
1364 return 0;
1365 }
1366
1367 static int usb_device_del(const char *devname)
1368 {
1369 int bus_num, addr;
1370 const char *p;
1371
1372 if (strstart(devname, "host:", &p)) {
1373 return -1;
1374 }
1375
1376 if (!usb_enabled()) {
1377 return -1;
1378 }
1379
1380 p = strchr(devname, '.');
1381 if (!p)
1382 return -1;
1383 bus_num = strtoul(devname, NULL, 0);
1384 addr = strtoul(p + 1, NULL, 0);
1385
1386 return usb_device_delete_addr(bus_num, addr);
1387 }
1388
1389 static int usb_parse(const char *cmdline)
1390 {
1391 int r;
1392 r = usb_device_add(cmdline);
1393 if (r < 0) {
1394 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1395 }
1396 return r;
1397 }
1398
1399 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1400 {
1401 const char *devname = qdict_get_str(qdict, "devname");
1402 if (usb_device_add(devname) < 0) {
1403 error_report("could not add USB device '%s'", devname);
1404 }
1405 }
1406
1407 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1408 {
1409 const char *devname = qdict_get_str(qdict, "devname");
1410 if (usb_device_del(devname) < 0) {
1411 error_report("could not delete USB device '%s'", devname);
1412 }
1413 }
1414
1415 /***********************************************************/
1416 /* machine registration */
1417
1418 MachineState *current_machine;
1419
1420 /*
1421 * Transitional class registration/init used for converting from
1422 * legacy QEMUMachine to MachineClass.
1423 */
1424 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1425 {
1426 MachineClass *mc = MACHINE_CLASS(oc);
1427 QEMUMachine *qm = data;
1428 mc->name = qm->name;
1429 mc->desc = qm->desc;
1430 mc->init = qm->init;
1431 mc->kvm_type = qm->kvm_type;
1432 mc->block_default_type = qm->block_default_type;
1433 mc->max_cpus = qm->max_cpus;
1434 mc->no_sdcard = qm->no_sdcard;
1435 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1436 mc->is_default = qm->is_default;
1437 mc->default_machine_opts = qm->default_machine_opts;
1438 mc->default_boot_order = qm->default_boot_order;
1439 }
1440
1441 int qemu_register_machine(QEMUMachine *m)
1442 {
1443 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1444 TypeInfo ti = {
1445 .name = name,
1446 .parent = TYPE_MACHINE,
1447 .class_init = qemu_machine_class_init,
1448 .class_data = (void *)m,
1449 };
1450
1451 type_register(&ti);
1452 g_free(name);
1453
1454 return 0;
1455 }
1456
1457 static MachineClass *find_machine(const char *name)
1458 {
1459 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1460 MachineClass *mc = NULL;
1461
1462 for (el = machines; el; el = el->next) {
1463 MachineClass *temp = el->data;
1464
1465 if (!strcmp(temp->name, name)) {
1466 mc = temp;
1467 break;
1468 }
1469 if (temp->alias &&
1470 !strcmp(temp->alias, name)) {
1471 mc = temp;
1472 break;
1473 }
1474 }
1475
1476 g_slist_free(machines);
1477 return mc;
1478 }
1479
1480 MachineClass *find_default_machine(void)
1481 {
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineClass *mc = NULL;
1484
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *temp = el->data;
1487
1488 if (temp->is_default) {
1489 mc = temp;
1490 break;
1491 }
1492 }
1493
1494 g_slist_free(machines);
1495 return mc;
1496 }
1497
1498 MachineInfoList *qmp_query_machines(Error **errp)
1499 {
1500 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1501 MachineInfoList *mach_list = NULL;
1502
1503 for (el = machines; el; el = el->next) {
1504 MachineClass *mc = el->data;
1505 MachineInfoList *entry;
1506 MachineInfo *info;
1507
1508 info = g_malloc0(sizeof(*info));
1509 if (mc->is_default) {
1510 info->has_is_default = true;
1511 info->is_default = true;
1512 }
1513
1514 if (mc->alias) {
1515 info->has_alias = true;
1516 info->alias = g_strdup(mc->alias);
1517 }
1518
1519 info->name = g_strdup(mc->name);
1520 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1521
1522 entry = g_malloc0(sizeof(*entry));
1523 entry->value = info;
1524 entry->next = mach_list;
1525 mach_list = entry;
1526 }
1527
1528 g_slist_free(machines);
1529 return mach_list;
1530 }
1531
1532 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1533 {
1534 ObjectProperty *prop;
1535
1536 if (!qemu_opt_has_help_opt(opts)) {
1537 return 0;
1538 }
1539
1540 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1541 if (!prop->set) {
1542 continue;
1543 }
1544
1545 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1546 prop->name, prop->type);
1547 if (prop->description) {
1548 error_printf(" (%s)\n", prop->description);
1549 } else {
1550 error_printf("\n");
1551 }
1552 }
1553
1554 return 1;
1555 }
1556
1557 /***********************************************************/
1558 /* main execution loop */
1559
1560 struct vm_change_state_entry {
1561 VMChangeStateHandler *cb;
1562 void *opaque;
1563 QLIST_ENTRY (vm_change_state_entry) entries;
1564 };
1565
1566 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1567
1568 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1569 void *opaque)
1570 {
1571 VMChangeStateEntry *e;
1572
1573 e = g_malloc0(sizeof (*e));
1574
1575 e->cb = cb;
1576 e->opaque = opaque;
1577 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1578 return e;
1579 }
1580
1581 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1582 {
1583 QLIST_REMOVE (e, entries);
1584 g_free (e);
1585 }
1586
1587 void vm_state_notify(int running, RunState state)
1588 {
1589 VMChangeStateEntry *e, *next;
1590
1591 trace_vm_state_notify(running, state);
1592
1593 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1594 e->cb(e->opaque, running, state);
1595 }
1596 }
1597
1598 /* reset/shutdown handler */
1599
1600 typedef struct QEMUResetEntry {
1601 QTAILQ_ENTRY(QEMUResetEntry) entry;
1602 QEMUResetHandler *func;
1603 void *opaque;
1604 } QEMUResetEntry;
1605
1606 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1607 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1608 static int reset_requested;
1609 static int shutdown_requested, shutdown_signal = -1;
1610 static pid_t shutdown_pid;
1611 static int powerdown_requested;
1612 static int debug_requested;
1613 static int suspend_requested;
1614 static WakeupReason wakeup_reason;
1615 static NotifierList powerdown_notifiers =
1616 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1617 static NotifierList suspend_notifiers =
1618 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1619 static NotifierList wakeup_notifiers =
1620 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1621 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1622
1623 int qemu_shutdown_requested_get(void)
1624 {
1625 return shutdown_requested;
1626 }
1627
1628 int qemu_reset_requested_get(void)
1629 {
1630 return reset_requested;
1631 }
1632
1633 static int qemu_shutdown_requested(void)
1634 {
1635 return atomic_xchg(&shutdown_requested, 0);
1636 }
1637
1638 static void qemu_kill_report(void)
1639 {
1640 if (!qtest_driver() && shutdown_signal != -1) {
1641 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1642 if (shutdown_pid == 0) {
1643 /* This happens for eg ^C at the terminal, so it's worth
1644 * avoiding printing an odd message in that case.
1645 */
1646 fputc('\n', stderr);
1647 } else {
1648 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1649 }
1650 shutdown_signal = -1;
1651 }
1652 }
1653
1654 static int qemu_reset_requested(void)
1655 {
1656 int r = reset_requested;
1657 reset_requested = 0;
1658 return r;
1659 }
1660
1661 static int qemu_suspend_requested(void)
1662 {
1663 int r = suspend_requested;
1664 suspend_requested = 0;
1665 return r;
1666 }
1667
1668 static WakeupReason qemu_wakeup_requested(void)
1669 {
1670 return wakeup_reason;
1671 }
1672
1673 static int qemu_powerdown_requested(void)
1674 {
1675 int r = powerdown_requested;
1676 powerdown_requested = 0;
1677 return r;
1678 }
1679
1680 static int qemu_debug_requested(void)
1681 {
1682 int r = debug_requested;
1683 debug_requested = 0;
1684 return r;
1685 }
1686
1687 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1688 {
1689 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1690
1691 re->func = func;
1692 re->opaque = opaque;
1693 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1694 }
1695
1696 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1697 {
1698 QEMUResetEntry *re;
1699
1700 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1701 if (re->func == func && re->opaque == opaque) {
1702 QTAILQ_REMOVE(&reset_handlers, re, entry);
1703 g_free(re);
1704 return;
1705 }
1706 }
1707 }
1708
1709 void qemu_devices_reset(void)
1710 {
1711 QEMUResetEntry *re, *nre;
1712
1713 /* reset all devices */
1714 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1715 re->func(re->opaque);
1716 }
1717 }
1718
1719 void qemu_system_reset(bool report)
1720 {
1721 MachineClass *mc;
1722
1723 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1724
1725 if (mc && mc->reset) {
1726 mc->reset();
1727 } else {
1728 qemu_devices_reset();
1729 }
1730 if (report) {
1731 qapi_event_send_reset(&error_abort);
1732 }
1733 cpu_synchronize_all_post_reset();
1734 }
1735
1736 void qemu_system_reset_request(void)
1737 {
1738 if (no_reboot) {
1739 shutdown_requested = 1;
1740 } else {
1741 reset_requested = 1;
1742 }
1743 cpu_stop_current();
1744 qemu_notify_event();
1745 }
1746
1747 static void qemu_system_suspend(void)
1748 {
1749 pause_all_vcpus();
1750 notifier_list_notify(&suspend_notifiers, NULL);
1751 runstate_set(RUN_STATE_SUSPENDED);
1752 qapi_event_send_suspend(&error_abort);
1753 }
1754
1755 void qemu_system_suspend_request(void)
1756 {
1757 if (runstate_check(RUN_STATE_SUSPENDED)) {
1758 return;
1759 }
1760 suspend_requested = 1;
1761 cpu_stop_current();
1762 qemu_notify_event();
1763 }
1764
1765 void qemu_register_suspend_notifier(Notifier *notifier)
1766 {
1767 notifier_list_add(&suspend_notifiers, notifier);
1768 }
1769
1770 void qemu_system_wakeup_request(WakeupReason reason)
1771 {
1772 trace_system_wakeup_request(reason);
1773
1774 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1775 return;
1776 }
1777 if (!(wakeup_reason_mask & (1 << reason))) {
1778 return;
1779 }
1780 runstate_set(RUN_STATE_RUNNING);
1781 wakeup_reason = reason;
1782 qemu_notify_event();
1783 }
1784
1785 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1786 {
1787 if (enabled) {
1788 wakeup_reason_mask |= (1 << reason);
1789 } else {
1790 wakeup_reason_mask &= ~(1 << reason);
1791 }
1792 }
1793
1794 void qemu_register_wakeup_notifier(Notifier *notifier)
1795 {
1796 notifier_list_add(&wakeup_notifiers, notifier);
1797 }
1798
1799 void qemu_system_killed(int signal, pid_t pid)
1800 {
1801 shutdown_signal = signal;
1802 shutdown_pid = pid;
1803 no_shutdown = 0;
1804 qemu_system_shutdown_request();
1805 }
1806
1807 void qemu_system_shutdown_request(void)
1808 {
1809 trace_qemu_system_shutdown_request();
1810 shutdown_requested = 1;
1811 qemu_notify_event();
1812 }
1813
1814 static void qemu_system_powerdown(void)
1815 {
1816 qapi_event_send_powerdown(&error_abort);
1817 notifier_list_notify(&powerdown_notifiers, NULL);
1818 }
1819
1820 void qemu_system_powerdown_request(void)
1821 {
1822 trace_qemu_system_powerdown_request();
1823 powerdown_requested = 1;
1824 qemu_notify_event();
1825 }
1826
1827 void qemu_register_powerdown_notifier(Notifier *notifier)
1828 {
1829 notifier_list_add(&powerdown_notifiers, notifier);
1830 }
1831
1832 void qemu_system_debug_request(void)
1833 {
1834 debug_requested = 1;
1835 qemu_notify_event();
1836 }
1837
1838 static bool main_loop_should_exit(void)
1839 {
1840 RunState r;
1841 if (qemu_debug_requested()) {
1842 vm_stop(RUN_STATE_DEBUG);
1843 }
1844 if (qemu_suspend_requested()) {
1845 qemu_system_suspend();
1846 }
1847 if (qemu_shutdown_requested()) {
1848 qemu_kill_report();
1849 qapi_event_send_shutdown(&error_abort);
1850 if (no_shutdown) {
1851 vm_stop(RUN_STATE_SHUTDOWN);
1852 } else {
1853 return true;
1854 }
1855 }
1856 if (qemu_reset_requested()) {
1857 pause_all_vcpus();
1858 cpu_synchronize_all_states();
1859 qemu_system_reset(VMRESET_REPORT);
1860 resume_all_vcpus();
1861 if (runstate_needs_reset()) {
1862 runstate_set(RUN_STATE_PAUSED);
1863 }
1864 }
1865 if (qemu_wakeup_requested()) {
1866 pause_all_vcpus();
1867 cpu_synchronize_all_states();
1868 qemu_system_reset(VMRESET_SILENT);
1869 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1870 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1871 resume_all_vcpus();
1872 qapi_event_send_wakeup(&error_abort);
1873 }
1874 if (qemu_powerdown_requested()) {
1875 qemu_system_powerdown();
1876 }
1877 if (qemu_vmstop_requested(&r)) {
1878 vm_stop(r);
1879 }
1880 return false;
1881 }
1882
1883 static void main_loop(void)
1884 {
1885 bool nonblocking;
1886 int last_io = 0;
1887 #ifdef CONFIG_PROFILER
1888 int64_t ti;
1889 #endif
1890 do {
1891 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1892 #ifdef CONFIG_PROFILER
1893 ti = profile_getclock();
1894 #endif
1895 last_io = main_loop_wait(nonblocking);
1896 #ifdef CONFIG_PROFILER
1897 dev_time += profile_getclock() - ti;
1898 #endif
1899 } while (!main_loop_should_exit());
1900 }
1901
1902 static void version(void)
1903 {
1904 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1905 }
1906
1907 static void help(int exitcode)
1908 {
1909 version();
1910 printf("usage: %s [options] [disk_image]\n\n"
1911 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1912 error_get_progname());
1913
1914 #define QEMU_OPTIONS_GENERATE_HELP
1915 #include "qemu-options-wrapper.h"
1916
1917 printf("\nDuring emulation, the following keys are useful:\n"
1918 "ctrl-alt-f toggle full screen\n"
1919 "ctrl-alt-n switch to virtual console 'n'\n"
1920 "ctrl-alt toggle mouse and keyboard grab\n"
1921 "\n"
1922 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1923
1924 exit(exitcode);
1925 }
1926
1927 #define HAS_ARG 0x0001
1928
1929 typedef struct QEMUOption {
1930 const char *name;
1931 int flags;
1932 int index;
1933 uint32_t arch_mask;
1934 } QEMUOption;
1935
1936 static const QEMUOption qemu_options[] = {
1937 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1938 #define QEMU_OPTIONS_GENERATE_OPTIONS
1939 #include "qemu-options-wrapper.h"
1940 { NULL },
1941 };
1942
1943 static bool vga_available(void)
1944 {
1945 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1946 }
1947
1948 static bool cirrus_vga_available(void)
1949 {
1950 return object_class_by_name("cirrus-vga")
1951 || object_class_by_name("isa-cirrus-vga");
1952 }
1953
1954 static bool vmware_vga_available(void)
1955 {
1956 return object_class_by_name("vmware-svga");
1957 }
1958
1959 static bool qxl_vga_available(void)
1960 {
1961 return object_class_by_name("qxl-vga");
1962 }
1963
1964 static bool tcx_vga_available(void)
1965 {
1966 return object_class_by_name("SUNW,tcx");
1967 }
1968
1969 static bool cg3_vga_available(void)
1970 {
1971 return object_class_by_name("cgthree");
1972 }
1973
1974 static bool virtio_vga_available(void)
1975 {
1976 return object_class_by_name("virtio-vga");
1977 }
1978
1979 static void select_vgahw (const char *p)
1980 {
1981 const char *opts;
1982
1983 assert(vga_interface_type == VGA_NONE);
1984 if (strstart(p, "std", &opts)) {
1985 if (vga_available()) {
1986 vga_interface_type = VGA_STD;
1987 } else {
1988 fprintf(stderr, "Error: standard VGA not available\n");
1989 exit(0);
1990 }
1991 } else if (strstart(p, "cirrus", &opts)) {
1992 if (cirrus_vga_available()) {
1993 vga_interface_type = VGA_CIRRUS;
1994 } else {
1995 fprintf(stderr, "Error: Cirrus VGA not available\n");
1996 exit(0);
1997 }
1998 } else if (strstart(p, "vmware", &opts)) {
1999 if (vmware_vga_available()) {
2000 vga_interface_type = VGA_VMWARE;
2001 } else {
2002 fprintf(stderr, "Error: VMWare SVGA not available\n");
2003 exit(0);
2004 }
2005 } else if (strstart(p, "virtio", &opts)) {
2006 if (virtio_vga_available()) {
2007 vga_interface_type = VGA_VIRTIO;
2008 } else {
2009 fprintf(stderr, "Error: Virtio VGA not available\n");
2010 exit(0);
2011 }
2012 } else if (strstart(p, "xenfb", &opts)) {
2013 vga_interface_type = VGA_XENFB;
2014 } else if (strstart(p, "qxl", &opts)) {
2015 if (qxl_vga_available()) {
2016 vga_interface_type = VGA_QXL;
2017 } else {
2018 fprintf(stderr, "Error: QXL VGA not available\n");
2019 exit(0);
2020 }
2021 } else if (strstart(p, "tcx", &opts)) {
2022 if (tcx_vga_available()) {
2023 vga_interface_type = VGA_TCX;
2024 } else {
2025 fprintf(stderr, "Error: TCX framebuffer not available\n");
2026 exit(0);
2027 }
2028 } else if (strstart(p, "cg3", &opts)) {
2029 if (cg3_vga_available()) {
2030 vga_interface_type = VGA_CG3;
2031 } else {
2032 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2033 exit(0);
2034 }
2035 } else if (!strstart(p, "none", &opts)) {
2036 invalid_vga:
2037 fprintf(stderr, "Unknown vga type: %s\n", p);
2038 exit(1);
2039 }
2040 while (*opts) {
2041 const char *nextopt;
2042
2043 if (strstart(opts, ",retrace=", &nextopt)) {
2044 opts = nextopt;
2045 if (strstart(opts, "dumb", &nextopt))
2046 vga_retrace_method = VGA_RETRACE_DUMB;
2047 else if (strstart(opts, "precise", &nextopt))
2048 vga_retrace_method = VGA_RETRACE_PRECISE;
2049 else goto invalid_vga;
2050 } else goto invalid_vga;
2051 opts = nextopt;
2052 }
2053 }
2054
2055 static DisplayType select_display(const char *p)
2056 {
2057 Error *err = NULL;
2058 const char *opts;
2059 DisplayType display = DT_DEFAULT;
2060
2061 if (strstart(p, "sdl", &opts)) {
2062 #ifdef CONFIG_SDL
2063 display = DT_SDL;
2064 while (*opts) {
2065 const char *nextopt;
2066
2067 if (strstart(opts, ",frame=", &nextopt)) {
2068 opts = nextopt;
2069 if (strstart(opts, "on", &nextopt)) {
2070 no_frame = 0;
2071 } else if (strstart(opts, "off", &nextopt)) {
2072 no_frame = 1;
2073 } else {
2074 goto invalid_sdl_args;
2075 }
2076 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2077 opts = nextopt;
2078 if (strstart(opts, "on", &nextopt)) {
2079 alt_grab = 1;
2080 } else if (strstart(opts, "off", &nextopt)) {
2081 alt_grab = 0;
2082 } else {
2083 goto invalid_sdl_args;
2084 }
2085 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2086 opts = nextopt;
2087 if (strstart(opts, "on", &nextopt)) {
2088 ctrl_grab = 1;
2089 } else if (strstart(opts, "off", &nextopt)) {
2090 ctrl_grab = 0;
2091 } else {
2092 goto invalid_sdl_args;
2093 }
2094 } else if (strstart(opts, ",window_close=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 no_quit = 0;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 no_quit = 1;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else if (strstart(opts, ",gl=", &nextopt)) {
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 request_opengl = 1;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 request_opengl = 0;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else {
2113 invalid_sdl_args:
2114 error_report("Invalid SDL option string");
2115 exit(1);
2116 }
2117 opts = nextopt;
2118 }
2119 #else
2120 error_report("SDL support is disabled");
2121 exit(1);
2122 #endif
2123 } else if (strstart(p, "vnc", &opts)) {
2124 #ifdef CONFIG_VNC
2125 if (*opts == '=') {
2126 if (vnc_parse(opts + 1, &err) == NULL) {
2127 error_report_err(err);
2128 exit(1);
2129 }
2130 } else {
2131 error_report("VNC requires a display argument vnc=<display>");
2132 exit(1);
2133 }
2134 #else
2135 error_report("VNC support is disabled");
2136 exit(1);
2137 #endif
2138 } else if (strstart(p, "curses", &opts)) {
2139 #ifdef CONFIG_CURSES
2140 display = DT_CURSES;
2141 #else
2142 error_report("Curses support is disabled");
2143 exit(1);
2144 #endif
2145 } else if (strstart(p, "gtk", &opts)) {
2146 #ifdef CONFIG_GTK
2147 display = DT_GTK;
2148 while (*opts) {
2149 const char *nextopt;
2150
2151 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2152 opts = nextopt;
2153 if (strstart(opts, "on", &nextopt)) {
2154 grab_on_hover = true;
2155 } else if (strstart(opts, "off", &nextopt)) {
2156 grab_on_hover = false;
2157 } else {
2158 goto invalid_gtk_args;
2159 }
2160 } else if (strstart(opts, ",gl=", &nextopt)) {
2161 opts = nextopt;
2162 if (strstart(opts, "on", &nextopt)) {
2163 request_opengl = 1;
2164 } else if (strstart(opts, "off", &nextopt)) {
2165 request_opengl = 0;
2166 } else {
2167 goto invalid_gtk_args;
2168 }
2169 } else {
2170 invalid_gtk_args:
2171 error_report("Invalid GTK option string");
2172 exit(1);
2173 }
2174 opts = nextopt;
2175 }
2176 #else
2177 error_report("GTK support is disabled");
2178 exit(1);
2179 #endif
2180 } else if (strstart(p, "none", &opts)) {
2181 display = DT_NONE;
2182 } else {
2183 error_report("Unknown display type");
2184 exit(1);
2185 }
2186
2187 return display;
2188 }
2189
2190 static int balloon_parse(const char *arg)
2191 {
2192 QemuOpts *opts;
2193
2194 if (strcmp(arg, "none") == 0) {
2195 return 0;
2196 }
2197
2198 if (!strncmp(arg, "virtio", 6)) {
2199 if (arg[6] == ',') {
2200 /* have params -> parse them */
2201 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2202 false);
2203 if (!opts)
2204 return -1;
2205 } else {
2206 /* create empty opts */
2207 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2208 &error_abort);
2209 }
2210 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2211 return 0;
2212 }
2213
2214 return -1;
2215 }
2216
2217 char *qemu_find_file(int type, const char *name)
2218 {
2219 int i;
2220 const char *subdir;
2221 char *buf;
2222
2223 /* Try the name as a straight path first */
2224 if (access(name, R_OK) == 0) {
2225 trace_load_file(name, name);
2226 return g_strdup(name);
2227 }
2228
2229 switch (type) {
2230 case QEMU_FILE_TYPE_BIOS:
2231 subdir = "";
2232 break;
2233 case QEMU_FILE_TYPE_KEYMAP:
2234 subdir = "keymaps/";
2235 break;
2236 default:
2237 abort();
2238 }
2239
2240 for (i = 0; i < data_dir_idx; i++) {
2241 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2242 if (access(buf, R_OK) == 0) {
2243 trace_load_file(name, buf);
2244 return buf;
2245 }
2246 g_free(buf);
2247 }
2248 return NULL;
2249 }
2250
2251 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2252 {
2253 gchar *buf;
2254 size_t size;
2255 const char *name, *file;
2256
2257 if (opaque == NULL) {
2258 error_report("fw_cfg device not available");
2259 return -1;
2260 }
2261 name = qemu_opt_get(opts, "name");
2262 file = qemu_opt_get(opts, "file");
2263 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2264 error_report("invalid argument value");
2265 return -1;
2266 }
2267 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2268 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2269 return -1;
2270 }
2271 if (strncmp(name, "opt/", 4) != 0) {
2272 error_report("WARNING: externally provided fw_cfg item names "
2273 "should be prefixed with \"opt/\"!");
2274 }
2275 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2276 error_report("can't load %s", file);
2277 return -1;
2278 }
2279 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2280 return 0;
2281 }
2282
2283 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2284 {
2285 return qdev_device_help(opts);
2286 }
2287
2288 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2289 {
2290 Error *err = NULL;
2291 DeviceState *dev;
2292
2293 dev = qdev_device_add(opts, &err);
2294 if (!dev) {
2295 error_report_err(err);
2296 return -1;
2297 }
2298 object_unref(OBJECT(dev));
2299 return 0;
2300 }
2301
2302 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 Error *local_err = NULL;
2305
2306 qemu_chr_new_from_opts(opts, NULL, &local_err);
2307 if (local_err) {
2308 error_report_err(local_err);
2309 return -1;
2310 }
2311 return 0;
2312 }
2313
2314 #ifdef CONFIG_VIRTFS
2315 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2316 {
2317 int ret;
2318 ret = qemu_fsdev_add(opts);
2319
2320 return ret;
2321 }
2322 #endif
2323
2324 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2325 {
2326 CharDriverState *chr;
2327 const char *chardev;
2328 const char *mode;
2329 int flags;
2330
2331 mode = qemu_opt_get(opts, "mode");
2332 if (mode == NULL) {
2333 mode = "readline";
2334 }
2335 if (strcmp(mode, "readline") == 0) {
2336 flags = MONITOR_USE_READLINE;
2337 } else if (strcmp(mode, "control") == 0) {
2338 flags = MONITOR_USE_CONTROL;
2339 } else {
2340 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2341 exit(1);
2342 }
2343
2344 if (qemu_opt_get_bool(opts, "pretty", 0))
2345 flags |= MONITOR_USE_PRETTY;
2346
2347 if (qemu_opt_get_bool(opts, "default", 0))
2348 flags |= MONITOR_IS_DEFAULT;
2349
2350 chardev = qemu_opt_get(opts, "chardev");
2351 chr = qemu_chr_find(chardev);
2352 if (chr == NULL) {
2353 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2354 exit(1);
2355 }
2356
2357 qemu_chr_fe_claim_no_fail(chr);
2358 monitor_init(chr, flags);
2359 return 0;
2360 }
2361
2362 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2363 {
2364 static int monitor_device_index = 0;
2365 Error *local_err = NULL;
2366 QemuOpts *opts;
2367 const char *p;
2368 char label[32];
2369 int def = 0;
2370
2371 if (strstart(optarg, "chardev:", &p)) {
2372 snprintf(label, sizeof(label), "%s", p);
2373 } else {
2374 snprintf(label, sizeof(label), "compat_monitor%d",
2375 monitor_device_index);
2376 if (monitor_device_index == 0) {
2377 def = 1;
2378 }
2379 opts = qemu_chr_parse_compat(label, optarg);
2380 if (!opts) {
2381 fprintf(stderr, "parse error: %s\n", optarg);
2382 exit(1);
2383 }
2384 }
2385
2386 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2387 if (!opts) {
2388 error_report_err(local_err);
2389 exit(1);
2390 }
2391 qemu_opt_set(opts, "mode", mode, &error_abort);
2392 qemu_opt_set(opts, "chardev", label, &error_abort);
2393 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2394 if (def)
2395 qemu_opt_set(opts, "default", "on", &error_abort);
2396 monitor_device_index++;
2397 }
2398
2399 struct device_config {
2400 enum {
2401 DEV_USB, /* -usbdevice */
2402 DEV_BT, /* -bt */
2403 DEV_SERIAL, /* -serial */
2404 DEV_PARALLEL, /* -parallel */
2405 DEV_VIRTCON, /* -virtioconsole */
2406 DEV_DEBUGCON, /* -debugcon */
2407 DEV_GDB, /* -gdb, -s */
2408 DEV_SCLP, /* s390 sclp */
2409 } type;
2410 const char *cmdline;
2411 Location loc;
2412 QTAILQ_ENTRY(device_config) next;
2413 };
2414
2415 static QTAILQ_HEAD(, device_config) device_configs =
2416 QTAILQ_HEAD_INITIALIZER(device_configs);
2417
2418 static void add_device_config(int type, const char *cmdline)
2419 {
2420 struct device_config *conf;
2421
2422 conf = g_malloc0(sizeof(*conf));
2423 conf->type = type;
2424 conf->cmdline = cmdline;
2425 loc_save(&conf->loc);
2426 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2427 }
2428
2429 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2430 {
2431 struct device_config *conf;
2432 int rc;
2433
2434 QTAILQ_FOREACH(conf, &device_configs, next) {
2435 if (conf->type != type)
2436 continue;
2437 loc_push_restore(&conf->loc);
2438 rc = func(conf->cmdline);
2439 loc_pop(&conf->loc);
2440 if (rc) {
2441 return rc;
2442 }
2443 }
2444 return 0;
2445 }
2446
2447 static int serial_parse(const char *devname)
2448 {
2449 static int index = 0;
2450 char label[32];
2451
2452 if (strcmp(devname, "none") == 0)
2453 return 0;
2454 if (index == MAX_SERIAL_PORTS) {
2455 fprintf(stderr, "qemu: too many serial ports\n");
2456 exit(1);
2457 }
2458 snprintf(label, sizeof(label), "serial%d", index);
2459 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2460 if (!serial_hds[index]) {
2461 fprintf(stderr, "qemu: could not connect serial device"
2462 " to character backend '%s'\n", devname);
2463 return -1;
2464 }
2465 index++;
2466 return 0;
2467 }
2468
2469 static int parallel_parse(const char *devname)
2470 {
2471 static int index = 0;
2472 char label[32];
2473
2474 if (strcmp(devname, "none") == 0)
2475 return 0;
2476 if (index == MAX_PARALLEL_PORTS) {
2477 fprintf(stderr, "qemu: too many parallel ports\n");
2478 exit(1);
2479 }
2480 snprintf(label, sizeof(label), "parallel%d", index);
2481 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2482 if (!parallel_hds[index]) {
2483 fprintf(stderr, "qemu: could not connect parallel device"
2484 " to character backend '%s'\n", devname);
2485 return -1;
2486 }
2487 index++;
2488 return 0;
2489 }
2490
2491 static int virtcon_parse(const char *devname)
2492 {
2493 QemuOptsList *device = qemu_find_opts("device");
2494 static int index = 0;
2495 char label[32];
2496 QemuOpts *bus_opts, *dev_opts;
2497
2498 if (strcmp(devname, "none") == 0)
2499 return 0;
2500 if (index == MAX_VIRTIO_CONSOLES) {
2501 fprintf(stderr, "qemu: too many virtio consoles\n");
2502 exit(1);
2503 }
2504
2505 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2506 if (arch_type == QEMU_ARCH_S390X) {
2507 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2508 } else {
2509 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2510 }
2511
2512 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2513 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2514
2515 snprintf(label, sizeof(label), "virtcon%d", index);
2516 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2517 if (!virtcon_hds[index]) {
2518 fprintf(stderr, "qemu: could not connect virtio console"
2519 " to character backend '%s'\n", devname);
2520 return -1;
2521 }
2522 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2523
2524 index++;
2525 return 0;
2526 }
2527
2528 static int sclp_parse(const char *devname)
2529 {
2530 QemuOptsList *device = qemu_find_opts("device");
2531 static int index = 0;
2532 char label[32];
2533 QemuOpts *dev_opts;
2534
2535 if (strcmp(devname, "none") == 0) {
2536 return 0;
2537 }
2538 if (index == MAX_SCLP_CONSOLES) {
2539 fprintf(stderr, "qemu: too many sclp consoles\n");
2540 exit(1);
2541 }
2542
2543 assert(arch_type == QEMU_ARCH_S390X);
2544
2545 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2546 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2547
2548 snprintf(label, sizeof(label), "sclpcon%d", index);
2549 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2550 if (!sclp_hds[index]) {
2551 fprintf(stderr, "qemu: could not connect sclp console"
2552 " to character backend '%s'\n", devname);
2553 return -1;
2554 }
2555 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2556
2557 index++;
2558 return 0;
2559 }
2560
2561 static int debugcon_parse(const char *devname)
2562 {
2563 QemuOpts *opts;
2564
2565 if (!qemu_chr_new("debugcon", devname, NULL)) {
2566 exit(1);
2567 }
2568 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2569 if (!opts) {
2570 fprintf(stderr, "qemu: already have a debugcon device\n");
2571 exit(1);
2572 }
2573 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2574 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2575 return 0;
2576 }
2577
2578 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2579 {
2580 const MachineClass *mc1 = a, *mc2 = b;
2581 int res;
2582
2583 if (mc1->family == NULL) {
2584 if (mc2->family == NULL) {
2585 /* Compare standalone machine types against each other; they sort
2586 * in increasing order.
2587 */
2588 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2589 object_class_get_name(OBJECT_CLASS(mc2)));
2590 }
2591
2592 /* Standalone machine types sort after families. */
2593 return 1;
2594 }
2595
2596 if (mc2->family == NULL) {
2597 /* Families sort before standalone machine types. */
2598 return -1;
2599 }
2600
2601 /* Families sort between each other alphabetically increasingly. */
2602 res = strcmp(mc1->family, mc2->family);
2603 if (res != 0) {
2604 return res;
2605 }
2606
2607 /* Within the same family, machine types sort in decreasing order. */
2608 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2609 object_class_get_name(OBJECT_CLASS(mc1)));
2610 }
2611
2612 static MachineClass *machine_parse(const char *name)
2613 {
2614 MachineClass *mc = NULL;
2615 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2616
2617 if (name) {
2618 mc = find_machine(name);
2619 }
2620 if (mc) {
2621 g_slist_free(machines);
2622 return mc;
2623 }
2624 if (name && !is_help_option(name)) {
2625 error_report("Unsupported machine type");
2626 error_printf("Use -machine help to list supported machines!\n");
2627 } else {
2628 printf("Supported machines are:\n");
2629 machines = g_slist_sort(machines, machine_class_cmp);
2630 for (el = machines; el; el = el->next) {
2631 MachineClass *mc = el->data;
2632 if (mc->alias) {
2633 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2634 }
2635 printf("%-20s %s%s\n", mc->name, mc->desc,
2636 mc->is_default ? " (default)" : "");
2637 }
2638 }
2639
2640 g_slist_free(machines);
2641 exit(!name || !is_help_option(name));
2642 }
2643
2644 void qemu_add_exit_notifier(Notifier *notify)
2645 {
2646 notifier_list_add(&exit_notifiers, notify);
2647 }
2648
2649 void qemu_remove_exit_notifier(Notifier *notify)
2650 {
2651 notifier_remove(notify);
2652 }
2653
2654 static void qemu_run_exit_notifiers(void)
2655 {
2656 notifier_list_notify(&exit_notifiers, NULL);
2657 }
2658
2659 static bool machine_init_done;
2660
2661 void qemu_add_machine_init_done_notifier(Notifier *notify)
2662 {
2663 notifier_list_add(&machine_init_done_notifiers, notify);
2664 if (machine_init_done) {
2665 notify->notify(notify, NULL);
2666 }
2667 }
2668
2669 static void qemu_run_machine_init_done_notifiers(void)
2670 {
2671 notifier_list_notify(&machine_init_done_notifiers, NULL);
2672 machine_init_done = true;
2673 }
2674
2675 static const QEMUOption *lookup_opt(int argc, char **argv,
2676 const char **poptarg, int *poptind)
2677 {
2678 const QEMUOption *popt;
2679 int optind = *poptind;
2680 char *r = argv[optind];
2681 const char *optarg;
2682
2683 loc_set_cmdline(argv, optind, 1);
2684 optind++;
2685 /* Treat --foo the same as -foo. */
2686 if (r[1] == '-')
2687 r++;
2688 popt = qemu_options;
2689 for(;;) {
2690 if (!popt->name) {
2691 error_report("invalid option");
2692 exit(1);
2693 }
2694 if (!strcmp(popt->name, r + 1))
2695 break;
2696 popt++;
2697 }
2698 if (popt->flags & HAS_ARG) {
2699 if (optind >= argc) {
2700 error_report("requires an argument");
2701 exit(1);
2702 }
2703 optarg = argv[optind++];
2704 loc_set_cmdline(argv, optind - 2, 2);
2705 } else {
2706 optarg = NULL;
2707 }
2708
2709 *poptarg = optarg;
2710 *poptind = optind;
2711
2712 return popt;
2713 }
2714
2715 static gpointer malloc_and_trace(gsize n_bytes)
2716 {
2717 void *ptr = malloc(n_bytes);
2718 trace_g_malloc(n_bytes, ptr);
2719 return ptr;
2720 }
2721
2722 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2723 {
2724 void *ptr = realloc(mem, n_bytes);
2725 trace_g_realloc(mem, n_bytes, ptr);
2726 return ptr;
2727 }
2728
2729 static void free_and_trace(gpointer mem)
2730 {
2731 trace_g_free(mem);
2732 free(mem);
2733 }
2734
2735 static int machine_set_property(void *opaque,
2736 const char *name, const char *value,
2737 Error **errp)
2738 {
2739 Object *obj = OBJECT(opaque);
2740 Error *local_err = NULL;
2741 char *c, *qom_name;
2742
2743 if (strcmp(name, "type") == 0) {
2744 return 0;
2745 }
2746
2747 qom_name = g_strdup(name);
2748 c = qom_name;
2749 while (*c++) {
2750 if (*c == '_') {
2751 *c = '-';
2752 }
2753 }
2754
2755 object_property_parse(obj, value, qom_name, &local_err);
2756 g_free(qom_name);
2757
2758 if (local_err) {
2759 error_report_err(local_err);
2760 return -1;
2761 }
2762
2763 return 0;
2764 }
2765
2766
2767 /*
2768 * Initial object creation happens before all other
2769 * QEMU data types are created. The majority of objects
2770 * can be created at this point. The rng-egd object
2771 * cannot be created here, as it depends on the chardev
2772 * already existing.
2773 */
2774 static bool object_create_initial(const char *type)
2775 {
2776 if (g_str_equal(type, "rng-egd")) {
2777 return false;
2778 }
2779 return true;
2780 }
2781
2782
2783 /*
2784 * The remainder of object creation happens after the
2785 * creation of chardev, fsdev and device data types.
2786 */
2787 static bool object_create_delayed(const char *type)
2788 {
2789 return !object_create_initial(type);
2790 }
2791
2792
2793 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2794 {
2795 Error *err = NULL;
2796 char *type = NULL;
2797 char *id = NULL;
2798 void *dummy = NULL;
2799 OptsVisitor *ov;
2800 QDict *pdict;
2801 bool (*type_predicate)(const char *) = opaque;
2802
2803 ov = opts_visitor_new(opts);
2804 pdict = qemu_opts_to_qdict(opts, NULL);
2805
2806 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2807 if (err) {
2808 goto out;
2809 }
2810
2811 qdict_del(pdict, "qom-type");
2812 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2813 if (err) {
2814 goto out;
2815 }
2816 if (!type_predicate(type)) {
2817 goto out;
2818 }
2819
2820 qdict_del(pdict, "id");
2821 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2822 if (err) {
2823 goto out;
2824 }
2825
2826 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2827 if (err) {
2828 goto out;
2829 }
2830 visit_end_struct(opts_get_visitor(ov), &err);
2831 if (err) {
2832 qmp_object_del(id, NULL);
2833 }
2834
2835 out:
2836 opts_visitor_cleanup(ov);
2837
2838 QDECREF(pdict);
2839 g_free(id);
2840 g_free(type);
2841 g_free(dummy);
2842 if (err) {
2843 error_report_err(err);
2844 return -1;
2845 }
2846 return 0;
2847 }
2848
2849 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2850 MachineClass *mc)
2851 {
2852 uint64_t sz;
2853 const char *mem_str;
2854 const char *maxmem_str, *slots_str;
2855 const ram_addr_t default_ram_size = mc->default_ram_size;
2856 QemuOpts *opts = qemu_find_opts_singleton("memory");
2857
2858 sz = 0;
2859 mem_str = qemu_opt_get(opts, "size");
2860 if (mem_str) {
2861 if (!*mem_str) {
2862 error_report("missing 'size' option value");
2863 exit(EXIT_FAILURE);
2864 }
2865
2866 sz = qemu_opt_get_size(opts, "size", ram_size);
2867
2868 /* Fix up legacy suffix-less format */
2869 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2870 uint64_t overflow_check = sz;
2871
2872 sz <<= 20;
2873 if ((sz >> 20) != overflow_check) {
2874 error_report("too large 'size' option value");
2875 exit(EXIT_FAILURE);
2876 }
2877 }
2878 }
2879
2880 /* backward compatibility behaviour for case "-m 0" */
2881 if (sz == 0) {
2882 sz = default_ram_size;
2883 }
2884
2885 sz = QEMU_ALIGN_UP(sz, 8192);
2886 ram_size = sz;
2887 if (ram_size != sz) {
2888 error_report("ram size too large");
2889 exit(EXIT_FAILURE);
2890 }
2891
2892 /* store value for the future use */
2893 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2894 *maxram_size = ram_size;
2895
2896 maxmem_str = qemu_opt_get(opts, "maxmem");
2897 slots_str = qemu_opt_get(opts, "slots");
2898 if (maxmem_str && slots_str) {
2899 uint64_t slots;
2900
2901 sz = qemu_opt_get_size(opts, "maxmem", 0);
2902 slots = qemu_opt_get_number(opts, "slots", 0);
2903 if (sz < ram_size) {
2904 error_report("invalid value of -m option maxmem: "
2905 "maximum memory size (0x%" PRIx64 ") must be at least "
2906 "the initial memory size (0x" RAM_ADDR_FMT ")",
2907 sz, ram_size);
2908 exit(EXIT_FAILURE);
2909 } else if (sz > ram_size) {
2910 if (!slots) {
2911 error_report("invalid value of -m option: maxmem was "
2912 "specified, but no hotplug slots were specified");
2913 exit(EXIT_FAILURE);
2914 }
2915 } else if (slots) {
2916 error_report("invalid value of -m option maxmem: "
2917 "memory slots were specified but maximum memory size "
2918 "(0x%" PRIx64 ") is equal to the initial memory size "
2919 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2920 exit(EXIT_FAILURE);
2921 }
2922
2923 *maxram_size = sz;
2924 *ram_slots = slots;
2925 } else if ((!maxmem_str && slots_str) ||
2926 (maxmem_str && !slots_str)) {
2927 error_report("invalid -m option value: missing "
2928 "'%s' option", slots_str ? "maxmem" : "slots");
2929 exit(EXIT_FAILURE);
2930 }
2931 }
2932
2933 int main(int argc, char **argv, char **envp)
2934 {
2935 int i;
2936 int snapshot, linux_boot;
2937 const char *initrd_filename;
2938 const char *kernel_filename, *kernel_cmdline;
2939 const char *boot_order = NULL;
2940 const char *boot_once = NULL;
2941 DisplayState *ds;
2942 int cyls, heads, secs, translation;
2943 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2944 QemuOptsList *olist;
2945 int optind;
2946 const char *optarg;
2947 const char *loadvm = NULL;
2948 MachineClass *machine_class;
2949 const char *cpu_model;
2950 const char *vga_model = NULL;
2951 const char *qtest_chrdev = NULL;
2952 const char *qtest_log = NULL;
2953 const char *pid_file = NULL;
2954 const char *incoming = NULL;
2955 #ifdef CONFIG_VNC
2956 int show_vnc_port = 0;
2957 #endif
2958 bool defconfig = true;
2959 bool userconfig = true;
2960 const char *log_mask = NULL;
2961 const char *log_file = NULL;
2962 GMemVTable mem_trace = {
2963 .malloc = malloc_and_trace,
2964 .realloc = realloc_and_trace,
2965 .free = free_and_trace,
2966 };
2967 const char *trace_events = NULL;
2968 const char *trace_file = NULL;
2969 ram_addr_t maxram_size;
2970 uint64_t ram_slots = 0;
2971 FILE *vmstate_dump_file = NULL;
2972 Error *main_loop_err = NULL;
2973
2974 qemu_init_cpu_loop();
2975 qemu_mutex_lock_iothread();
2976
2977 atexit(qemu_run_exit_notifiers);
2978 error_set_progname(argv[0]);
2979 qemu_init_exec_dir(argv[0]);
2980
2981 g_mem_set_vtable(&mem_trace);
2982
2983 module_call_init(MODULE_INIT_QOM);
2984
2985 qemu_add_opts(&qemu_drive_opts);
2986 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2987 qemu_add_drive_opts(&qemu_common_drive_opts);
2988 qemu_add_drive_opts(&qemu_drive_opts);
2989 qemu_add_opts(&qemu_chardev_opts);
2990 qemu_add_opts(&qemu_device_opts);
2991 qemu_add_opts(&qemu_netdev_opts);
2992 qemu_add_opts(&qemu_net_opts);
2993 qemu_add_opts(&qemu_rtc_opts);
2994 qemu_add_opts(&qemu_global_opts);
2995 qemu_add_opts(&qemu_mon_opts);
2996 qemu_add_opts(&qemu_trace_opts);
2997 qemu_add_opts(&qemu_option_rom_opts);
2998 qemu_add_opts(&qemu_machine_opts);
2999 qemu_add_opts(&qemu_mem_opts);
3000 qemu_add_opts(&qemu_smp_opts);
3001 qemu_add_opts(&qemu_boot_opts);
3002 qemu_add_opts(&qemu_sandbox_opts);
3003 qemu_add_opts(&qemu_add_fd_opts);
3004 qemu_add_opts(&qemu_object_opts);
3005 qemu_add_opts(&qemu_tpmdev_opts);
3006 qemu_add_opts(&qemu_realtime_opts);
3007 qemu_add_opts(&qemu_msg_opts);
3008 qemu_add_opts(&qemu_name_opts);
3009 qemu_add_opts(&qemu_numa_opts);
3010 qemu_add_opts(&qemu_icount_opts);
3011 qemu_add_opts(&qemu_semihosting_config_opts);
3012 qemu_add_opts(&qemu_fw_cfg_opts);
3013
3014 runstate_init();
3015
3016 rtc_clock = QEMU_CLOCK_HOST;
3017
3018 QLIST_INIT (&vm_change_state_head);
3019 os_setup_early_signal_handling();
3020
3021 module_call_init(MODULE_INIT_MACHINE);
3022 machine_class = find_default_machine();
3023 cpu_model = NULL;
3024 snapshot = 0;
3025 cyls = heads = secs = 0;
3026 translation = BIOS_ATA_TRANSLATION_AUTO;
3027
3028 nb_nics = 0;
3029
3030 bdrv_init_with_whitelist();
3031
3032 autostart = 1;
3033
3034 /* first pass of option parsing */
3035 optind = 1;
3036 while (optind < argc) {
3037 if (argv[optind][0] != '-') {
3038 /* disk image */
3039 optind++;
3040 } else {
3041 const QEMUOption *popt;
3042
3043 popt = lookup_opt(argc, argv, &optarg, &optind);
3044 switch (popt->index) {
3045 case QEMU_OPTION_nodefconfig:
3046 defconfig = false;
3047 break;
3048 case QEMU_OPTION_nouserconfig:
3049 userconfig = false;
3050 break;
3051 }
3052 }
3053 }
3054
3055 if (defconfig) {
3056 int ret;
3057 ret = qemu_read_default_config_files(userconfig);
3058 if (ret < 0) {
3059 exit(1);
3060 }
3061 }
3062
3063 /* second pass of option parsing */
3064 optind = 1;
3065 for(;;) {
3066 if (optind >= argc)
3067 break;
3068 if (argv[optind][0] != '-') {
3069 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3070 } else {
3071 const QEMUOption *popt;
3072
3073 popt = lookup_opt(argc, argv, &optarg, &optind);
3074 if (!(popt->arch_mask & arch_type)) {
3075 printf("Option %s not supported for this target\n", popt->name);
3076 exit(1);
3077 }
3078 switch(popt->index) {
3079 case QEMU_OPTION_no_kvm_irqchip: {
3080 olist = qemu_find_opts("machine");
3081 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3082 break;
3083 }
3084 case QEMU_OPTION_cpu:
3085 /* hw initialization will check this */
3086 cpu_model = optarg;
3087 break;
3088 case QEMU_OPTION_hda:
3089 {
3090 char buf[256];
3091 if (cyls == 0)
3092 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3093 else
3094 snprintf(buf, sizeof(buf),
3095 "%s,cyls=%d,heads=%d,secs=%d%s",
3096 HD_OPTS , cyls, heads, secs,
3097 translation == BIOS_ATA_TRANSLATION_LBA ?
3098 ",trans=lba" :
3099 translation == BIOS_ATA_TRANSLATION_NONE ?
3100 ",trans=none" : "");
3101 drive_add(IF_DEFAULT, 0, optarg, buf);
3102 break;
3103 }
3104 case QEMU_OPTION_hdb:
3105 case QEMU_OPTION_hdc:
3106 case QEMU_OPTION_hdd:
3107 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3108 HD_OPTS);
3109 break;
3110 case QEMU_OPTION_drive:
3111 if (drive_def(optarg) == NULL) {
3112 exit(1);
3113 }
3114 break;
3115 case QEMU_OPTION_set:
3116 if (qemu_set_option(optarg) != 0)
3117 exit(1);
3118 break;
3119 case QEMU_OPTION_global:
3120 if (qemu_global_option(optarg) != 0)
3121 exit(1);
3122 break;
3123 case QEMU_OPTION_mtdblock:
3124 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3125 break;
3126 case QEMU_OPTION_sd:
3127 drive_add(IF_SD, -1, optarg, SD_OPTS);
3128 break;
3129 case QEMU_OPTION_pflash:
3130 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3131 break;
3132 case QEMU_OPTION_snapshot:
3133 snapshot = 1;
3134 break;
3135 case QEMU_OPTION_hdachs:
3136 {
3137 const char *p;
3138 p = optarg;
3139 cyls = strtol(p, (char **)&p, 0);
3140 if (cyls < 1 || cyls > 16383)
3141 goto chs_fail;
3142 if (*p != ',')
3143 goto chs_fail;
3144 p++;
3145 heads = strtol(p, (char **)&p, 0);
3146 if (heads < 1 || heads > 16)
3147 goto chs_fail;
3148 if (*p != ',')
3149 goto chs_fail;
3150 p++;
3151 secs = strtol(p, (char **)&p, 0);
3152 if (secs < 1 || secs > 63)
3153 goto chs_fail;
3154 if (*p == ',') {
3155 p++;
3156 if (!strcmp(p, "large")) {
3157 translation = BIOS_ATA_TRANSLATION_LARGE;
3158 } else if (!strcmp(p, "rechs")) {
3159 translation = BIOS_ATA_TRANSLATION_RECHS;
3160 } else if (!strcmp(p, "none")) {
3161 translation = BIOS_ATA_TRANSLATION_NONE;
3162 } else if (!strcmp(p, "lba")) {
3163 translation = BIOS_ATA_TRANSLATION_LBA;
3164 } else if (!strcmp(p, "auto")) {
3165 translation = BIOS_ATA_TRANSLATION_AUTO;
3166 } else {
3167 goto chs_fail;
3168 }
3169 } else if (*p != '\0') {
3170 chs_fail:
3171 fprintf(stderr, "qemu: invalid physical CHS format\n");
3172 exit(1);
3173 }
3174 if (hda_opts != NULL) {
3175 qemu_opt_set_number(hda_opts, "cyls", cyls,
3176 &error_abort);
3177 qemu_opt_set_number(hda_opts, "heads", heads,
3178 &error_abort);
3179 qemu_opt_set_number(hda_opts, "secs", secs,
3180 &error_abort);
3181 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3182 qemu_opt_set(hda_opts, "trans", "large",
3183 &error_abort);
3184 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3185 qemu_opt_set(hda_opts, "trans", "rechs",
3186 &error_abort);
3187 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3188 qemu_opt_set(hda_opts, "trans", "lba",
3189 &error_abort);
3190 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3191 qemu_opt_set(hda_opts, "trans", "none",
3192 &error_abort);
3193 }
3194 }
3195 }
3196 break;
3197 case QEMU_OPTION_numa:
3198 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3199 optarg, true);
3200 if (!opts) {
3201 exit(1);
3202 }
3203 break;
3204 case QEMU_OPTION_display:
3205 display_type = select_display(optarg);
3206 break;
3207 case QEMU_OPTION_nographic:
3208 display_type = DT_NOGRAPHIC;
3209 break;
3210 case QEMU_OPTION_curses:
3211 #ifdef CONFIG_CURSES
3212 display_type = DT_CURSES;
3213 #else
3214 fprintf(stderr, "Curses support is disabled\n");
3215 exit(1);
3216 #endif
3217 break;
3218 case QEMU_OPTION_portrait:
3219 graphic_rotate = 90;
3220 break;
3221 case QEMU_OPTION_rotate:
3222 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3223 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3224 graphic_rotate != 180 && graphic_rotate != 270) {
3225 fprintf(stderr,
3226 "qemu: only 90, 180, 270 deg rotation is available\n");
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_kernel:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3232 &error_abort);
3233 break;
3234 case QEMU_OPTION_initrd:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3236 &error_abort);
3237 break;
3238 case QEMU_OPTION_append:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3240 &error_abort);
3241 break;
3242 case QEMU_OPTION_dtb:
3243 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3244 &error_abort);
3245 break;
3246 case QEMU_OPTION_cdrom:
3247 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3248 break;
3249 case QEMU_OPTION_boot:
3250 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3251 optarg, true);
3252 if (!opts) {
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_fda:
3257 case QEMU_OPTION_fdb:
3258 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3259 optarg, FD_OPTS);
3260 break;
3261 case QEMU_OPTION_no_fd_bootchk:
3262 fd_bootchk = 0;
3263 break;
3264 case QEMU_OPTION_netdev:
3265 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_net:
3270 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3271 exit(1);
3272 }
3273 break;
3274 #ifdef CONFIG_LIBISCSI
3275 case QEMU_OPTION_iscsi:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3277 optarg, false);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 break;
3282 #endif
3283 #ifdef CONFIG_SLIRP
3284 case QEMU_OPTION_tftp:
3285 legacy_tftp_prefix = optarg;
3286 break;
3287 case QEMU_OPTION_bootp:
3288 legacy_bootp_filename = optarg;
3289 break;
3290 case QEMU_OPTION_redir:
3291 if (net_slirp_redir(optarg) < 0)
3292 exit(1);
3293 break;
3294 #endif
3295 case QEMU_OPTION_bt:
3296 add_device_config(DEV_BT, optarg);
3297 break;
3298 case QEMU_OPTION_audio_help:
3299 AUD_help ();
3300 exit (0);
3301 break;
3302 case QEMU_OPTION_soundhw:
3303 select_soundhw (optarg);
3304 break;
3305 case QEMU_OPTION_h:
3306 help(0);
3307 break;
3308 case QEMU_OPTION_version:
3309 version();
3310 exit(0);
3311 break;
3312 case QEMU_OPTION_m:
3313 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3314 optarg, true);
3315 if (!opts) {
3316 exit(EXIT_FAILURE);
3317 }
3318 break;
3319 #ifdef CONFIG_TPM
3320 case QEMU_OPTION_tpmdev:
3321 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3322 exit(1);
3323 }
3324 break;
3325 #endif
3326 case QEMU_OPTION_mempath:
3327 mem_path = optarg;
3328 break;
3329 case QEMU_OPTION_mem_prealloc:
3330 mem_prealloc = 1;
3331 break;
3332 case QEMU_OPTION_d:
3333 log_mask = optarg;
3334 break;
3335 case QEMU_OPTION_D:
3336 log_file = optarg;
3337 break;
3338 case QEMU_OPTION_s:
3339 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3340 break;
3341 case QEMU_OPTION_gdb:
3342 add_device_config(DEV_GDB, optarg);
3343 break;
3344 case QEMU_OPTION_L:
3345 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3346 data_dir[data_dir_idx++] = optarg;
3347 }
3348 break;
3349 case QEMU_OPTION_bios:
3350 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3351 &error_abort);
3352 break;
3353 case QEMU_OPTION_singlestep:
3354 singlestep = 1;
3355 break;
3356 case QEMU_OPTION_S:
3357 autostart = 0;
3358 break;
3359 case QEMU_OPTION_k:
3360 keyboard_layout = optarg;
3361 break;
3362 case QEMU_OPTION_localtime:
3363 rtc_utc = 0;
3364 break;
3365 case QEMU_OPTION_vga:
3366 vga_model = optarg;
3367 default_vga = 0;
3368 break;
3369 case QEMU_OPTION_g:
3370 {
3371 const char *p;
3372 int w, h, depth;
3373 p = optarg;
3374 w = strtol(p, (char **)&p, 10);
3375 if (w <= 0) {
3376 graphic_error:
3377 fprintf(stderr, "qemu: invalid resolution or depth\n");
3378 exit(1);
3379 }
3380 if (*p != 'x')
3381 goto graphic_error;
3382 p++;
3383 h = strtol(p, (char **)&p, 10);
3384 if (h <= 0)
3385 goto graphic_error;
3386 if (*p == 'x') {
3387 p++;
3388 depth = strtol(p, (char **)&p, 10);
3389 if (depth != 8 && depth != 15 && depth != 16 &&
3390 depth != 24 && depth != 32)
3391 goto graphic_error;
3392 } else if (*p == '\0') {
3393 depth = graphic_depth;
3394 } else {
3395 goto graphic_error;
3396 }
3397
3398 graphic_width = w;
3399 graphic_height = h;
3400 graphic_depth = depth;
3401 }
3402 break;
3403 case QEMU_OPTION_echr:
3404 {
3405 char *r;
3406 term_escape_char = strtol(optarg, &r, 0);
3407 if (r == optarg)
3408 printf("Bad argument to echr\n");
3409 break;
3410 }
3411 case QEMU_OPTION_monitor:
3412 default_monitor = 0;
3413 if (strncmp(optarg, "none", 4)) {
3414 monitor_parse(optarg, "readline", false);
3415 }
3416 break;
3417 case QEMU_OPTION_qmp:
3418 monitor_parse(optarg, "control", false);
3419 default_monitor = 0;
3420 break;
3421 case QEMU_OPTION_qmp_pretty:
3422 monitor_parse(optarg, "control", true);
3423 default_monitor = 0;
3424 break;
3425 case QEMU_OPTION_mon:
3426 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3427 true);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 default_monitor = 0;
3432 break;
3433 case QEMU_OPTION_chardev:
3434 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3435 optarg, true);
3436 if (!opts) {
3437 exit(1);
3438 }
3439 break;
3440 case QEMU_OPTION_fsdev:
3441 olist = qemu_find_opts("fsdev");
3442 if (!olist) {
3443 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3444 exit(1);
3445 }
3446 opts = qemu_opts_parse_noisily(olist, optarg, true);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 break;
3451 case QEMU_OPTION_virtfs: {
3452 QemuOpts *fsdev;
3453 QemuOpts *device;
3454 const char *writeout, *sock_fd, *socket;
3455
3456 olist = qemu_find_opts("virtfs");
3457 if (!olist) {
3458 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3459 exit(1);
3460 }
3461 opts = qemu_opts_parse_noisily(olist, optarg, true);
3462 if (!opts) {
3463 exit(1);
3464 }
3465
3466 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3467 qemu_opt_get(opts, "mount_tag") == NULL) {
3468 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3469 exit(1);
3470 }
3471 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3472 qemu_opt_get(opts, "mount_tag"),
3473 1, NULL);
3474 if (!fsdev) {
3475 fprintf(stderr, "duplicate fsdev id: %s\n",
3476 qemu_opt_get(opts, "mount_tag"));
3477 exit(1);
3478 }
3479
3480 writeout = qemu_opt_get(opts, "writeout");
3481 if (writeout) {
3482 #ifdef CONFIG_SYNC_FILE_RANGE
3483 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3484 #else
3485 fprintf(stderr, "writeout=immediate not supported on "
3486 "this platform\n");
3487 exit(1);
3488 #endif
3489 }
3490 qemu_opt_set(fsdev, "fsdriver",
3491 qemu_opt_get(opts, "fsdriver"), &error_abort);
3492 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3493 &error_abort);
3494 qemu_opt_set(fsdev, "security_model",
3495 qemu_opt_get(opts, "security_model"),
3496 &error_abort);
3497 socket = qemu_opt_get(opts, "socket");
3498 if (socket) {
3499 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3500 }
3501 sock_fd = qemu_opt_get(opts, "sock_fd");
3502 if (sock_fd) {
3503 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3504 }
3505
3506 qemu_opt_set_bool(fsdev, "readonly",
3507 qemu_opt_get_bool(opts, "readonly", 0),
3508 &error_abort);
3509 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3510 &error_abort);
3511 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3512 qemu_opt_set(device, "fsdev",
3513 qemu_opt_get(opts, "mount_tag"), &error_abort);
3514 qemu_opt_set(device, "mount_tag",
3515 qemu_opt_get(opts, "mount_tag"), &error_abort);
3516 break;
3517 }
3518 case QEMU_OPTION_virtfs_synth: {
3519 QemuOpts *fsdev;
3520 QemuOpts *device;
3521
3522 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3523 1, NULL);
3524 if (!fsdev) {
3525 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3526 exit(1);
3527 }
3528 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3529
3530 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3531 &error_abort);
3532 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3533 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3534 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3535 break;
3536 }
3537 case QEMU_OPTION_serial:
3538 add_device_config(DEV_SERIAL, optarg);
3539 default_serial = 0;
3540 if (strncmp(optarg, "mon:", 4) == 0) {
3541 default_monitor = 0;
3542 }
3543 break;
3544 case QEMU_OPTION_watchdog:
3545 if (watchdog) {
3546 fprintf(stderr,
3547 "qemu: only one watchdog option may be given\n");
3548 return 1;
3549 }
3550 watchdog = optarg;
3551 break;
3552 case QEMU_OPTION_watchdog_action:
3553 if (select_watchdog_action(optarg) == -1) {
3554 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3555 exit(1);
3556 }
3557 break;
3558 case QEMU_OPTION_virtiocon:
3559 add_device_config(DEV_VIRTCON, optarg);
3560 default_virtcon = 0;
3561 if (strncmp(optarg, "mon:", 4) == 0) {
3562 default_monitor = 0;
3563 }
3564 break;
3565 case QEMU_OPTION_parallel:
3566 add_device_config(DEV_PARALLEL, optarg);
3567 default_parallel = 0;
3568 if (strncmp(optarg, "mon:", 4) == 0) {
3569 default_monitor = 0;
3570 }
3571 break;
3572 case QEMU_OPTION_debugcon:
3573 add_device_config(DEV_DEBUGCON, optarg);
3574 break;
3575 case QEMU_OPTION_loadvm:
3576 loadvm = optarg;
3577 break;
3578 case QEMU_OPTION_full_screen:
3579 full_screen = 1;
3580 break;
3581 case QEMU_OPTION_no_frame:
3582 no_frame = 1;
3583 break;
3584 case QEMU_OPTION_alt_grab:
3585 alt_grab = 1;
3586 break;
3587 case QEMU_OPTION_ctrl_grab:
3588 ctrl_grab = 1;
3589 break;
3590 case QEMU_OPTION_no_quit:
3591 no_quit = 1;
3592 break;
3593 case QEMU_OPTION_sdl:
3594 #ifdef CONFIG_SDL
3595 display_type = DT_SDL;
3596 break;
3597 #else
3598 fprintf(stderr, "SDL support is disabled\n");
3599 exit(1);
3600 #endif
3601 case QEMU_OPTION_pidfile:
3602 pid_file = optarg;
3603 break;
3604 case QEMU_OPTION_win2k_hack:
3605 win2k_install_hack = 1;
3606 break;
3607 case QEMU_OPTION_rtc_td_hack: {
3608 static GlobalProperty slew_lost_ticks[] = {
3609 {
3610 .driver = "mc146818rtc",
3611 .property = "lost_tick_policy",
3612 .value = "slew",
3613 },
3614 { /* end of list */ }
3615 };
3616
3617 qdev_prop_register_global_list(slew_lost_ticks);
3618 break;
3619 }
3620 case QEMU_OPTION_acpitable:
3621 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3622 optarg, true);
3623 if (!opts) {
3624 exit(1);
3625 }
3626 do_acpitable_option(opts);
3627 break;
3628 case QEMU_OPTION_smbios:
3629 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3630 optarg, false);
3631 if (!opts) {
3632 exit(1);
3633 }
3634 do_smbios_option(opts);
3635 break;
3636 case QEMU_OPTION_fwcfg:
3637 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3638 optarg, true);
3639 if (opts == NULL) {
3640 exit(1);
3641 }
3642 break;
3643 case QEMU_OPTION_enable_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3646 break;
3647 case QEMU_OPTION_M:
3648 case QEMU_OPTION_machine:
3649 olist = qemu_find_opts("machine");
3650 opts = qemu_opts_parse_noisily(olist, optarg, true);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 break;
3655 case QEMU_OPTION_no_kvm:
3656 olist = qemu_find_opts("machine");
3657 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3658 break;
3659 case QEMU_OPTION_no_kvm_pit: {
3660 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3661 "separately.\n");
3662 break;
3663 }
3664 case QEMU_OPTION_no_kvm_pit_reinjection: {
3665 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3666 {
3667 .driver = "kvm-pit",
3668 .property = "lost_tick_policy",
3669 .value = "discard",
3670 },
3671 { /* end of list */ }
3672 };
3673
3674 fprintf(stderr, "Warning: option deprecated, use "
3675 "lost_tick_policy property of kvm-pit instead.\n");
3676 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3677 break;
3678 }
3679 case QEMU_OPTION_usb:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "usb=on", false);
3682 break;
3683 case QEMU_OPTION_usbdevice:
3684 olist = qemu_find_opts("machine");
3685 qemu_opts_parse_noisily(olist, "usb=on", false);
3686 add_device_config(DEV_USB, optarg);
3687 break;
3688 case QEMU_OPTION_device:
3689 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3690 optarg, true)) {
3691 exit(1);
3692 }
3693 break;
3694 case QEMU_OPTION_smp:
3695 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3696 optarg, true)) {
3697 exit(1);
3698 }
3699 break;
3700 case QEMU_OPTION_vnc:
3701 {
3702 #ifdef CONFIG_VNC
3703 Error *local_err = NULL;
3704
3705 if (vnc_parse(optarg, &local_err) == NULL) {
3706 error_report_err(local_err);
3707 exit(1);
3708 }
3709 #else
3710 fprintf(stderr, "VNC support is disabled\n");
3711 exit(1);
3712 #endif
3713 break;
3714 }
3715 case QEMU_OPTION_no_acpi:
3716 acpi_enabled = 0;
3717 break;
3718 case QEMU_OPTION_no_hpet:
3719 no_hpet = 1;
3720 break;
3721 case QEMU_OPTION_balloon:
3722 if (balloon_parse(optarg) < 0) {
3723 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_no_reboot:
3728 no_reboot = 1;
3729 break;
3730 case QEMU_OPTION_no_shutdown:
3731 no_shutdown = 1;
3732 break;
3733 case QEMU_OPTION_show_cursor:
3734 cursor_hide = 0;
3735 break;
3736 case QEMU_OPTION_uuid:
3737 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3738 fprintf(stderr, "Fail to parse UUID string."
3739 " Wrong format.\n");
3740 exit(1);
3741 }
3742 qemu_uuid_set = true;
3743 break;
3744 case QEMU_OPTION_option_rom:
3745 if (nb_option_roms >= MAX_OPTION_ROMS) {
3746 fprintf(stderr, "Too many option ROMs\n");
3747 exit(1);
3748 }
3749 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3750 optarg, true);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3755 option_rom[nb_option_roms].bootindex =
3756 qemu_opt_get_number(opts, "bootindex", -1);
3757 if (!option_rom[nb_option_roms].name) {
3758 fprintf(stderr, "Option ROM file is not specified\n");
3759 exit(1);
3760 }
3761 nb_option_roms++;
3762 break;
3763 case QEMU_OPTION_semihosting:
3764 semihosting.enabled = true;
3765 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3766 break;
3767 case QEMU_OPTION_semihosting_config:
3768 semihosting.enabled = true;
3769 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3770 optarg, false);
3771 if (opts != NULL) {
3772 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3773 true);
3774 const char *target = qemu_opt_get(opts, "target");
3775 if (target != NULL) {
3776 if (strcmp("native", target) == 0) {
3777 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3778 } else if (strcmp("gdb", target) == 0) {
3779 semihosting.target = SEMIHOSTING_TARGET_GDB;
3780 } else if (strcmp("auto", target) == 0) {
3781 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3782 } else {
3783 fprintf(stderr, "Unsupported semihosting-config"
3784 " %s\n",
3785 optarg);
3786 exit(1);
3787 }
3788 } else {
3789 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3790 }
3791 /* Set semihosting argument count and vector */
3792 qemu_opt_foreach(opts, add_semihosting_arg,
3793 &semihosting, NULL);
3794 } else {
3795 fprintf(stderr, "Unsupported semihosting-config %s\n",
3796 optarg);
3797 exit(1);
3798 }
3799 break;
3800 case QEMU_OPTION_tdf:
3801 fprintf(stderr, "Warning: user space PIT time drift fix "
3802 "is no longer supported.\n");
3803 break;
3804 case QEMU_OPTION_name:
3805 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3806 optarg, true);
3807 if (!opts) {
3808 exit(1);
3809 }
3810 break;
3811 case QEMU_OPTION_prom_env:
3812 if (nb_prom_envs >= MAX_PROM_ENVS) {
3813 fprintf(stderr, "Too many prom variables\n");
3814 exit(1);
3815 }
3816 prom_envs[nb_prom_envs] = optarg;
3817 nb_prom_envs++;
3818 break;
3819 case QEMU_OPTION_old_param:
3820 old_param = 1;
3821 break;
3822 case QEMU_OPTION_clock:
3823 /* Clock options no longer exist. Keep this option for
3824 * backward compatibility.
3825 */
3826 break;
3827 case QEMU_OPTION_startdate:
3828 configure_rtc_date_offset(optarg, 1);
3829 break;
3830 case QEMU_OPTION_rtc:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3832 false);
3833 if (!opts) {
3834 exit(1);
3835 }
3836 configure_rtc(opts);
3837 break;
3838 case QEMU_OPTION_tb_size:
3839 tcg_tb_size = strtol(optarg, NULL, 0);
3840 if (tcg_tb_size < 0) {
3841 tcg_tb_size = 0;
3842 }
3843 break;
3844 case QEMU_OPTION_icount:
3845 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3846 optarg, true);
3847 if (!icount_opts) {
3848 exit(1);
3849 }
3850 break;
3851 case QEMU_OPTION_incoming:
3852 if (!incoming) {
3853 runstate_set(RUN_STATE_INMIGRATE);
3854 }
3855 incoming = optarg;
3856 break;
3857 case QEMU_OPTION_nodefaults:
3858 has_defaults = 0;
3859 break;
3860 case QEMU_OPTION_xen_domid:
3861 if (!(xen_available())) {
3862 printf("Option %s not supported for this target\n", popt->name);
3863 exit(1);
3864 }
3865 xen_domid = atoi(optarg);
3866 break;
3867 case QEMU_OPTION_xen_create:
3868 if (!(xen_available())) {
3869 printf("Option %s not supported for this target\n", popt->name);
3870 exit(1);
3871 }
3872 xen_mode = XEN_CREATE;
3873 break;
3874 case QEMU_OPTION_xen_attach:
3875 if (!(xen_available())) {
3876 printf("Option %s not supported for this target\n", popt->name);
3877 exit(1);
3878 }
3879 xen_mode = XEN_ATTACH;
3880 break;
3881 case QEMU_OPTION_trace:
3882 {
3883 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3884 optarg, false);
3885 if (!opts) {
3886 exit(1);
3887 }
3888 trace_events = qemu_opt_get(opts, "events");
3889 trace_file = qemu_opt_get(opts, "file");
3890 break;
3891 }
3892 case QEMU_OPTION_readconfig:
3893 {
3894 int ret = qemu_read_config_file(optarg);
3895 if (ret < 0) {
3896 fprintf(stderr, "read config %s: %s\n", optarg,
3897 strerror(-ret));
3898 exit(1);
3899 }
3900 break;
3901 }
3902 case QEMU_OPTION_spice:
3903 olist = qemu_find_opts("spice");
3904 if (!olist) {
3905 fprintf(stderr, "spice is not supported by this qemu build.\n");
3906 exit(1);
3907 }
3908 opts = qemu_opts_parse_noisily(olist, optarg, false);
3909 if (!opts) {
3910 exit(1);
3911 }
3912 display_remote++;
3913 break;
3914 case QEMU_OPTION_writeconfig:
3915 {
3916 FILE *fp;
3917 if (strcmp(optarg, "-") == 0) {
3918 fp = stdout;
3919 } else {
3920 fp = fopen(optarg, "w");
3921 if (fp == NULL) {
3922 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3923 exit(1);
3924 }
3925 }
3926 qemu_config_write(fp);
3927 if (fp != stdout) {
3928 fclose(fp);
3929 }
3930 break;
3931 }
3932 case QEMU_OPTION_qtest:
3933 qtest_chrdev = optarg;
3934 break;
3935 case QEMU_OPTION_qtest_log:
3936 qtest_log = optarg;
3937 break;
3938 case QEMU_OPTION_sandbox:
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3940 optarg, true);
3941 if (!opts) {
3942 exit(1);
3943 }
3944 break;
3945 case QEMU_OPTION_add_fd:
3946 #ifndef _WIN32
3947 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3948 optarg, false);
3949 if (!opts) {
3950 exit(1);
3951 }
3952 #else
3953 error_report("File descriptor passing is disabled on this "
3954 "platform");
3955 exit(1);
3956 #endif
3957 break;
3958 case QEMU_OPTION_object:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3960 optarg, true);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 break;
3965 case QEMU_OPTION_realtime:
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3967 optarg, false);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3972 break;
3973 case QEMU_OPTION_msg:
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3975 false);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 configure_msg(opts);
3980 break;
3981 case QEMU_OPTION_dump_vmstate:
3982 if (vmstate_dump_file) {
3983 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3984 "option may be given\n");
3985 exit(1);
3986 }
3987 vmstate_dump_file = fopen(optarg, "w");
3988 if (vmstate_dump_file == NULL) {
3989 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3990 exit(1);
3991 }
3992 break;
3993 default:
3994 os_parse_cmd_args(popt->index, optarg);
3995 }
3996 }
3997 }
3998
3999 opts = qemu_get_machine_opts();
4000 optarg = qemu_opt_get(opts, "type");
4001 if (optarg) {
4002 machine_class = machine_parse(optarg);
4003 }
4004
4005 if (machine_class == NULL) {
4006 fprintf(stderr, "No machine specified, and there is no default.\n"
4007 "Use -machine help to list supported machines!\n");
4008 exit(1);
4009 }
4010
4011 set_memory_options(&ram_slots, &maxram_size, machine_class);
4012
4013 loc_set_none();
4014
4015 os_daemonize();
4016
4017 if (qemu_init_main_loop(&main_loop_err)) {
4018 error_report_err(main_loop_err);
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4023 parse_sandbox, NULL, NULL)) {
4024 exit(1);
4025 }
4026
4027 if (qemu_opts_foreach(qemu_find_opts("name"),
4028 parse_name, NULL, NULL)) {
4029 exit(1);
4030 }
4031
4032 #ifndef _WIN32
4033 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4034 parse_add_fd, NULL, NULL)) {
4035 exit(1);
4036 }
4037
4038 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4039 cleanup_add_fd, NULL, NULL)) {
4040 exit(1);
4041 }
4042 #endif
4043
4044 current_machine = MACHINE(object_new(object_class_get_name(
4045 OBJECT_CLASS(machine_class))));
4046 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4047 exit(0);
4048 }
4049 object_property_add_child(object_get_root(), "machine",
4050 OBJECT(current_machine), &error_abort);
4051 cpu_exec_init_all();
4052
4053 if (machine_class->hw_version) {
4054 qemu_set_version(machine_class->hw_version);
4055 }
4056
4057 /* Init CPU def lists, based on config
4058 * - Must be called after all the qemu_read_config_file() calls
4059 * - Must be called before list_cpus()
4060 * - Must be called before machine->init()
4061 */
4062 cpudef_init();
4063
4064 if (cpu_model && is_help_option(cpu_model)) {
4065 list_cpus(stdout, &fprintf, cpu_model);
4066 exit(0);
4067 }
4068
4069 /* Open the logfile at this point and set the log mask if necessary.
4070 */
4071 if (log_file) {
4072 qemu_set_log_filename(log_file);
4073 }
4074
4075 if (log_mask) {
4076 int mask;
4077 mask = qemu_str_to_log_mask(log_mask);
4078 if (!mask) {
4079 qemu_print_log_usage(stdout);
4080 exit(1);
4081 }
4082 qemu_set_log(mask);
4083 }
4084
4085 if (!is_daemonized()) {
4086 if (!trace_init_backends(trace_events, trace_file)) {
4087 exit(1);
4088 }
4089 }
4090
4091 /* If no data_dir is specified then try to find it relative to the
4092 executable path. */
4093 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4094 data_dir[data_dir_idx] = os_find_datadir();
4095 if (data_dir[data_dir_idx] != NULL) {
4096 data_dir_idx++;
4097 }
4098 }
4099 /* If all else fails use the install path specified when building. */
4100 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4101 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4102 }
4103
4104 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4105
4106 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4107 if (max_cpus > machine_class->max_cpus) {
4108 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4109 "supported by machine `%s' (%d)\n", max_cpus,
4110 machine_class->name, machine_class->max_cpus);
4111 exit(1);
4112 }
4113
4114 /*
4115 * Get the default machine options from the machine if it is not already
4116 * specified either by the configuration file or by the command line.
4117 */
4118 if (machine_class->default_machine_opts) {
4119 qemu_opts_set_defaults(qemu_find_opts("machine"),
4120 machine_class->default_machine_opts, 0);
4121 }
4122
4123 qemu_opts_foreach(qemu_find_opts("device"),
4124 default_driver_check, NULL, NULL);
4125 qemu_opts_foreach(qemu_find_opts("global"),
4126 default_driver_check, NULL, NULL);
4127
4128 if (!vga_model && !default_vga) {
4129 vga_interface_type = VGA_DEVICE;
4130 }
4131 if (!has_defaults || machine_class->no_serial) {
4132 default_serial = 0;
4133 }
4134 if (!has_defaults || machine_class->no_parallel) {
4135 default_parallel = 0;
4136 }
4137 if (!has_defaults || !machine_class->use_virtcon) {
4138 default_virtcon = 0;
4139 }
4140 if (!has_defaults || !machine_class->use_sclp) {
4141 default_sclp = 0;
4142 }
4143 if (!has_defaults || machine_class->no_floppy) {
4144 default_floppy = 0;
4145 }
4146 if (!has_defaults || machine_class->no_cdrom) {
4147 default_cdrom = 0;
4148 }
4149 if (!has_defaults || machine_class->no_sdcard) {
4150 default_sdcard = 0;
4151 }
4152 if (!has_defaults) {
4153 default_monitor = 0;
4154 default_net = 0;
4155 default_vga = 0;
4156 }
4157
4158 if (is_daemonized()) {
4159 /* According to documentation and historically, -nographic redirects
4160 * serial port, parallel port and monitor to stdio, which does not work
4161 * with -daemonize. We can redirect these to null instead, but since
4162 * -nographic is legacy, let's just error out.
4163 * We disallow -nographic only if all other ports are not redirected
4164 * explicitly, to not break existing legacy setups which uses
4165 * -nographic _and_ redirects all ports explicitly - this is valid
4166 * usage, -nographic is just a no-op in this case.
4167 */
4168 if (display_type == DT_NOGRAPHIC
4169 && (default_parallel || default_serial
4170 || default_monitor || default_virtcon)) {
4171 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4172 exit(1);
4173 }
4174 #ifdef CONFIG_CURSES
4175 if (display_type == DT_CURSES) {
4176 fprintf(stderr, "curses display can not be used with -daemonize\n");
4177 exit(1);
4178 }
4179 #endif
4180 }
4181
4182 if (display_type == DT_NOGRAPHIC) {
4183 if (default_parallel)
4184 add_device_config(DEV_PARALLEL, "null");
4185 if (default_serial && default_monitor) {
4186 add_device_config(DEV_SERIAL, "mon:stdio");
4187 } else if (default_virtcon && default_monitor) {
4188 add_device_config(DEV_VIRTCON, "mon:stdio");
4189 } else if (default_sclp && default_monitor) {
4190 add_device_config(DEV_SCLP, "mon:stdio");
4191 } else {
4192 if (default_serial)
4193 add_device_config(DEV_SERIAL, "stdio");
4194 if (default_virtcon)
4195 add_device_config(DEV_VIRTCON, "stdio");
4196 if (default_sclp) {
4197 add_device_config(DEV_SCLP, "stdio");
4198 }
4199 if (default_monitor)
4200 monitor_parse("stdio", "readline", false);
4201 }
4202 } else {
4203 if (default_serial)
4204 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4205 if (default_parallel)
4206 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4207 if (default_monitor)
4208 monitor_parse("vc:80Cx24C", "readline", false);
4209 if (default_virtcon)
4210 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4211 if (default_sclp) {
4212 add_device_config(DEV_SCLP, "vc:80Cx24C");
4213 }
4214 }
4215
4216 #if defined(CONFIG_VNC)
4217 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4218 display_remote++;
4219 }
4220 #endif
4221 if (display_type == DT_DEFAULT && !display_remote) {
4222 #if defined(CONFIG_GTK)
4223 display_type = DT_GTK;
4224 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4225 display_type = DT_SDL;
4226 #elif defined(CONFIG_VNC)
4227 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4228 show_vnc_port = 1;
4229 #else
4230 display_type = DT_NONE;
4231 #endif
4232 }
4233
4234 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4235 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4236 "for SDL, ignoring option\n");
4237 }
4238 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4239 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4240 "ignoring option\n");
4241 }
4242
4243 #if defined(CONFIG_GTK)
4244 if (display_type == DT_GTK) {
4245 early_gtk_display_init(request_opengl);
4246 }
4247 #endif
4248 #if defined(CONFIG_SDL)
4249 if (display_type == DT_SDL) {
4250 sdl_display_early_init(request_opengl);
4251 }
4252 #endif
4253 if (request_opengl == 1 && display_opengl == 0) {
4254 #if defined(CONFIG_OPENGL)
4255 fprintf(stderr, "OpenGL is not supported by the display.\n");
4256 #else
4257 fprintf(stderr, "QEMU was built without opengl support.\n");
4258 #endif
4259 exit(1);
4260 }
4261
4262 socket_init();
4263
4264 if (qemu_opts_foreach(qemu_find_opts("object"),
4265 object_create,
4266 object_create_initial, NULL)) {
4267 exit(1);
4268 }
4269
4270 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4271 chardev_init_func, NULL, NULL)) {
4272 exit(1);
4273 }
4274
4275 #ifdef CONFIG_VIRTFS
4276 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4277 fsdev_init_func, NULL, NULL)) {
4278 exit(1);
4279 }
4280 #endif
4281
4282 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4283 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4284 exit(1);
4285 }
4286
4287 if (qemu_opts_foreach(qemu_find_opts("device"),
4288 device_help_func, NULL, NULL)) {
4289 exit(0);
4290 }
4291
4292 if (qemu_opts_foreach(qemu_find_opts("object"),
4293 object_create,
4294 object_create_delayed, NULL)) {
4295 exit(1);
4296 }
4297
4298 machine_opts = qemu_get_machine_opts();
4299 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4300 NULL)) {
4301 object_unref(OBJECT(current_machine));
4302 exit(1);
4303 }
4304
4305 configure_accelerator(current_machine);
4306
4307 if (qtest_chrdev) {
4308 Error *local_err = NULL;
4309 qtest_init(qtest_chrdev, qtest_log, &local_err);
4310 if (local_err) {
4311 error_report_err(local_err);
4312 exit(1);
4313 }
4314 }
4315
4316 machine_opts = qemu_get_machine_opts();
4317 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4318 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4319 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4320 bios_name = qemu_opt_get(machine_opts, "firmware");
4321
4322 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4323 if (opts) {
4324 Error *local_err = NULL;
4325
4326 boot_order = qemu_opt_get(opts, "order");
4327 if (boot_order) {
4328 validate_bootdevices(boot_order, &local_err);
4329 if (local_err) {
4330 error_report_err(local_err);
4331 exit(1);
4332 }
4333 }
4334
4335 boot_once = qemu_opt_get(opts, "once");
4336 if (boot_once) {
4337 validate_bootdevices(boot_once, &local_err);
4338 if (local_err) {
4339 error_report_err(local_err);
4340 exit(1);
4341 }
4342 }
4343
4344 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4345 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4346 }
4347
4348 if (!boot_order) {
4349 boot_order = machine_class->default_boot_order;
4350 }
4351
4352 if (!kernel_cmdline) {
4353 kernel_cmdline = "";
4354 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4355 }
4356
4357 linux_boot = (kernel_filename != NULL);
4358
4359 if (!linux_boot && *kernel_cmdline != '\0') {
4360 fprintf(stderr, "-append only allowed with -kernel option\n");
4361 exit(1);
4362 }
4363
4364 if (!linux_boot && initrd_filename != NULL) {
4365 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4366 exit(1);
4367 }
4368
4369 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4370 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4371 exit(1);
4372 }
4373
4374 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4375 /* fall back to the -kernel/-append */
4376 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4377 }
4378
4379 os_set_line_buffering();
4380
4381 #ifdef CONFIG_SPICE
4382 /* spice needs the timers to be initialized by this point */
4383 qemu_spice_init();
4384 #endif
4385
4386 cpu_ticks_init();
4387 if (icount_opts) {
4388 if (kvm_enabled() || xen_enabled()) {
4389 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4390 exit(1);
4391 }
4392 configure_icount(icount_opts, &error_abort);
4393 qemu_opts_del(icount_opts);
4394 }
4395
4396 /* clean up network at qemu process termination */
4397 atexit(&net_cleanup);
4398
4399 if (net_init_clients() < 0) {
4400 exit(1);
4401 }
4402
4403 #ifdef CONFIG_TPM
4404 if (tpm_init() < 0) {
4405 exit(1);
4406 }
4407 #endif
4408
4409 /* init the bluetooth world */
4410 if (foreach_device_config(DEV_BT, bt_parse))
4411 exit(1);
4412
4413 if (!xen_enabled()) {
4414 /* On 32-bit hosts, QEMU is limited by virtual address space */
4415 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4416 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4417 exit(1);
4418 }
4419 }
4420
4421 blk_mig_init();
4422 ram_mig_init();
4423
4424 /* If the currently selected machine wishes to override the units-per-bus
4425 * property of its default HBA interface type, do so now. */
4426 if (machine_class->units_per_default_bus) {
4427 override_max_devs(machine_class->block_default_type,
4428 machine_class->units_per_default_bus);
4429 }
4430
4431 /* open the virtual block devices */
4432 if (snapshot)
4433 qemu_opts_foreach(qemu_find_opts("drive"),
4434 drive_enable_snapshot, NULL, NULL);
4435 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4436 &machine_class->block_default_type, NULL)) {
4437 exit(1);
4438 }
4439
4440 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4441 CDROM_OPTS);
4442 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4443 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4444
4445 parse_numa_opts(machine_class);
4446
4447 if (qemu_opts_foreach(qemu_find_opts("mon"),
4448 mon_init_func, NULL, NULL)) {
4449 exit(1);
4450 }
4451
4452 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4453 exit(1);
4454 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4455 exit(1);
4456 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4457 exit(1);
4458 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4459 exit(1);
4460 }
4461 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4462 exit(1);
4463
4464 /* If no default VGA is requested, the default is "none". */
4465 if (default_vga) {
4466 if (machine_class->default_display) {
4467 vga_model = machine_class->default_display;
4468 } else if (cirrus_vga_available()) {
4469 vga_model = "cirrus";
4470 } else if (vga_available()) {
4471 vga_model = "std";
4472 }
4473 }
4474 if (vga_model) {
4475 select_vgahw(vga_model);
4476 }
4477
4478 if (watchdog) {
4479 i = select_watchdog(watchdog);
4480 if (i > 0)
4481 exit (i == 1 ? 1 : 0);
4482 }
4483
4484 if (machine_class->compat_props) {
4485 qdev_prop_register_global_list(machine_class->compat_props);
4486 }
4487 qemu_add_globals();
4488
4489 qdev_machine_init();
4490
4491 current_machine->ram_size = ram_size;
4492 current_machine->maxram_size = maxram_size;
4493 current_machine->ram_slots = ram_slots;
4494 current_machine->boot_order = boot_order;
4495 current_machine->cpu_model = cpu_model;
4496
4497 machine_class->init(current_machine);
4498
4499 realtime_init();
4500
4501 audio_init();
4502
4503 cpu_synchronize_all_post_init();
4504
4505 numa_post_machine_init();
4506
4507 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4508 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4509 exit(1);
4510 }
4511
4512 /* init USB devices */
4513 if (usb_enabled()) {
4514 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4515 exit(1);
4516 }
4517
4518 /* init generic devices */
4519 if (qemu_opts_foreach(qemu_find_opts("device"),
4520 device_init_func, NULL, NULL)) {
4521 exit(1);
4522 }
4523
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4526
4527 net_check_clients();
4528
4529 if (boot_once) {
4530 Error *local_err = NULL;
4531 qemu_boot_set(boot_once, &local_err);
4532 if (local_err) {
4533 error_report("%s", error_get_pretty(local_err));
4534 exit(1);
4535 }
4536 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4537 }
4538
4539 ds = init_displaystate();
4540
4541 /* init local displays */
4542 switch (display_type) {
4543 case DT_NOGRAPHIC:
4544 (void)ds; /* avoid warning if no display is configured */
4545 break;
4546 #if defined(CONFIG_CURSES)
4547 case DT_CURSES:
4548 curses_display_init(ds, full_screen);
4549 break;
4550 #endif
4551 #if defined(CONFIG_SDL)
4552 case DT_SDL:
4553 sdl_display_init(ds, full_screen, no_frame);
4554 break;
4555 #elif defined(CONFIG_COCOA)
4556 case DT_SDL:
4557 cocoa_display_init(ds, full_screen);
4558 break;
4559 #endif
4560 #if defined(CONFIG_GTK)
4561 case DT_GTK:
4562 gtk_display_init(ds, full_screen, grab_on_hover);
4563 break;
4564 #endif
4565 default:
4566 break;
4567 }
4568
4569 /* must be after terminal init, SDL library changes signal handlers */
4570 os_setup_signal_handling();
4571
4572 #ifdef CONFIG_VNC
4573 /* init remote displays */
4574 qemu_opts_foreach(qemu_find_opts("vnc"),
4575 vnc_init_func, NULL, NULL);
4576 if (show_vnc_port) {
4577 char *ret = vnc_display_local_addr("default");
4578 printf("VNC server running on `%s'\n", ret);
4579 g_free(ret);
4580 }
4581 #endif
4582 #ifdef CONFIG_SPICE
4583 if (using_spice) {
4584 qemu_spice_display_init();
4585 }
4586 #endif
4587
4588 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4589 exit(1);
4590 }
4591
4592 qdev_machine_creation_done();
4593
4594 if (rom_load_all() != 0) {
4595 fprintf(stderr, "rom loading failed\n");
4596 exit(1);
4597 }
4598
4599 /* TODO: once all bus devices are qdevified, this should be done
4600 * when bus is created by qdev.c */
4601 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4602 qemu_run_machine_init_done_notifiers();
4603
4604 /* Done notifiers can load ROMs */
4605 rom_load_done();
4606
4607 qemu_system_reset(VMRESET_SILENT);
4608 if (loadvm) {
4609 if (load_vmstate(loadvm) < 0) {
4610 autostart = 0;
4611 }
4612 }
4613
4614 qdev_prop_check_globals();
4615 if (vmstate_dump_file) {
4616 /* dump and exit */
4617 dump_vmstate_json_to_file(vmstate_dump_file);
4618 return 0;
4619 }
4620
4621 if (incoming) {
4622 Error *local_err = NULL;
4623 qemu_start_incoming_migration(incoming, &local_err);
4624 if (local_err) {
4625 error_report("-incoming %s: %s", incoming,
4626 error_get_pretty(local_err));
4627 error_free(local_err);
4628 exit(1);
4629 }
4630 } else if (autostart) {
4631 vm_start();
4632 }
4633
4634 os_setup_post();
4635
4636 if (is_daemonized()) {
4637 if (!trace_init_backends(trace_events, trace_file)) {
4638 exit(1);
4639 }
4640 }
4641
4642 main_loop();
4643 bdrv_close_all();
4644 pause_all_vcpus();
4645 res_free();
4646 #ifdef CONFIG_TPM
4647 tpm_cleanup();
4648 #endif
4649
4650 return 0;
4651 }
QEmu