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