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vl: Add another sanity check to smp_parse() function
[qemu/rayw.git] / vl.c
blobf2bd8d20fbfa00e0b32329953d518b4186712137
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
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", cpus);
1227 if (sockets * cores * threads > max_cpus) {
1228 fprintf(stderr, "cpu topology: error: "
1229 "sockets (%u) * cores (%u) * threads (%u) > maxcpus (%u)\n",
1230 sockets, cores, threads, max_cpus);
1231 exit(1);
1232 }
1233
1234 smp_cpus = cpus;
1235 smp_cores = cores > 0 ? cores : 1;
1236 smp_threads = threads > 0 ? threads : 1;
1237
1238 }
1239
1240 if (max_cpus == 0) {
1241 max_cpus = smp_cpus;
1242 }
1243
1244 if (max_cpus > MAX_CPUMASK_BITS) {
1245 fprintf(stderr, "Unsupported number of maxcpus\n");
1246 exit(1);
1247 }
1248 if (max_cpus < smp_cpus) {
1249 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1250 exit(1);
1251 }
1252
1253 }
1254
1255 static void realtime_init(void)
1256 {
1257 if (enable_mlock) {
1258 if (os_mlock() < 0) {
1259 fprintf(stderr, "qemu: locking memory failed\n");
1260 exit(1);
1261 }
1262 }
1263 }
1264
1265
1266 static void configure_msg(QemuOpts *opts)
1267 {
1268 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1269 }
1270
1271 /***********************************************************/
1272 /* Semihosting */
1273
1274 typedef struct SemihostingConfig {
1275 bool enabled;
1276 SemihostingTarget target;
1277 const char **argv;
1278 int argc;
1279 const char *cmdline; /* concatenated argv */
1280 } SemihostingConfig;
1281
1282 static SemihostingConfig semihosting;
1283
1284 bool semihosting_enabled(void)
1285 {
1286 return semihosting.enabled;
1287 }
1288
1289 SemihostingTarget semihosting_get_target(void)
1290 {
1291 return semihosting.target;
1292 }
1293
1294 const char *semihosting_get_arg(int i)
1295 {
1296 if (i >= semihosting.argc) {
1297 return NULL;
1298 }
1299 return semihosting.argv[i];
1300 }
1301
1302 int semihosting_get_argc(void)
1303 {
1304 return semihosting.argc;
1305 }
1306
1307 const char *semihosting_get_cmdline(void)
1308 {
1309 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1310 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1311 }
1312 return semihosting.cmdline;
1313 }
1314
1315 static int add_semihosting_arg(void *opaque,
1316 const char *name, const char *val,
1317 Error **errp)
1318 {
1319 SemihostingConfig *s = opaque;
1320 if (strcmp(name, "arg") == 0) {
1321 s->argc++;
1322 /* one extra element as g_strjoinv() expects NULL-terminated array */
1323 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1324 s->argv[s->argc - 1] = val;
1325 s->argv[s->argc] = NULL;
1326 }
1327 return 0;
1328 }
1329
1330 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1331 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1332 {
1333 char *cmd_token;
1334
1335 /* argv[0] */
1336 add_semihosting_arg(&semihosting, "arg", file, NULL);
1337
1338 /* split -append and initialize argv[1..n] */
1339 cmd_token = strtok(g_strdup(cmd), " ");
1340 while (cmd_token) {
1341 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1342 cmd_token = strtok(NULL, " ");
1343 }
1344 }
1345
1346 /* Now we still need this for compatibility with XEN. */
1347 bool has_igd_gfx_passthru;
1348 static void igd_gfx_passthru(void)
1349 {
1350 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1351 }
1352
1353 /***********************************************************/
1354 /* USB devices */
1355
1356 static int usb_device_add(const char *devname)
1357 {
1358 USBDevice *dev = NULL;
1359 #ifndef CONFIG_LINUX
1360 const char *p;
1361 #endif
1362
1363 if (!usb_enabled()) {
1364 return -1;
1365 }
1366
1367 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1368 dev = usbdevice_create(devname);
1369 if (dev)
1370 goto done;
1371
1372 /* the other ones */
1373 #ifndef CONFIG_LINUX
1374 /* only the linux version is qdev-ified, usb-bsd still needs this */
1375 if (strstart(devname, "host:", &p)) {
1376 dev = usb_host_device_open(usb_bus_find(-1), p);
1377 }
1378 #endif
1379 if (!dev)
1380 return -1;
1381
1382 done:
1383 return 0;
1384 }
1385
1386 static int usb_device_del(const char *devname)
1387 {
1388 int bus_num, addr;
1389 const char *p;
1390
1391 if (strstart(devname, "host:", &p)) {
1392 return -1;
1393 }
1394
1395 if (!usb_enabled()) {
1396 return -1;
1397 }
1398
1399 p = strchr(devname, '.');
1400 if (!p)
1401 return -1;
1402 bus_num = strtoul(devname, NULL, 0);
1403 addr = strtoul(p + 1, NULL, 0);
1404
1405 return usb_device_delete_addr(bus_num, addr);
1406 }
1407
1408 static int usb_parse(const char *cmdline)
1409 {
1410 int r;
1411 r = usb_device_add(cmdline);
1412 if (r < 0) {
1413 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1414 }
1415 return r;
1416 }
1417
1418 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1419 {
1420 const char *devname = qdict_get_str(qdict, "devname");
1421 if (usb_device_add(devname) < 0) {
1422 error_report("could not add USB device '%s'", devname);
1423 }
1424 }
1425
1426 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1427 {
1428 const char *devname = qdict_get_str(qdict, "devname");
1429 if (usb_device_del(devname) < 0) {
1430 error_report("could not delete USB device '%s'", devname);
1431 }
1432 }
1433
1434 /***********************************************************/
1435 /* machine registration */
1436
1437 MachineState *current_machine;
1438
1439 static MachineClass *find_machine(const char *name)
1440 {
1441 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1442 MachineClass *mc = NULL;
1443
1444 for (el = machines; el; el = el->next) {
1445 MachineClass *temp = el->data;
1446
1447 if (!strcmp(temp->name, name)) {
1448 mc = temp;
1449 break;
1450 }
1451 if (temp->alias &&
1452 !strcmp(temp->alias, name)) {
1453 mc = temp;
1454 break;
1455 }
1456 }
1457
1458 g_slist_free(machines);
1459 return mc;
1460 }
1461
1462 MachineClass *find_default_machine(void)
1463 {
1464 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1465 MachineClass *mc = NULL;
1466
1467 for (el = machines; el; el = el->next) {
1468 MachineClass *temp = el->data;
1469
1470 if (temp->is_default) {
1471 mc = temp;
1472 break;
1473 }
1474 }
1475
1476 g_slist_free(machines);
1477 return mc;
1478 }
1479
1480 MachineInfoList *qmp_query_machines(Error **errp)
1481 {
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineInfoList *mach_list = NULL;
1484
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *mc = el->data;
1487 MachineInfoList *entry;
1488 MachineInfo *info;
1489
1490 info = g_malloc0(sizeof(*info));
1491 if (mc->is_default) {
1492 info->has_is_default = true;
1493 info->is_default = true;
1494 }
1495
1496 if (mc->alias) {
1497 info->has_alias = true;
1498 info->alias = g_strdup(mc->alias);
1499 }
1500
1501 info->name = g_strdup(mc->name);
1502 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1503
1504 entry = g_malloc0(sizeof(*entry));
1505 entry->value = info;
1506 entry->next = mach_list;
1507 mach_list = entry;
1508 }
1509
1510 g_slist_free(machines);
1511 return mach_list;
1512 }
1513
1514 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1515 {
1516 ObjectProperty *prop;
1517
1518 if (!qemu_opt_has_help_opt(opts)) {
1519 return 0;
1520 }
1521
1522 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1523 if (!prop->set) {
1524 continue;
1525 }
1526
1527 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1528 prop->name, prop->type);
1529 if (prop->description) {
1530 error_printf(" (%s)\n", prop->description);
1531 } else {
1532 error_printf("\n");
1533 }
1534 }
1535
1536 return 1;
1537 }
1538
1539 /***********************************************************/
1540 /* main execution loop */
1541
1542 struct vm_change_state_entry {
1543 VMChangeStateHandler *cb;
1544 void *opaque;
1545 QLIST_ENTRY (vm_change_state_entry) entries;
1546 };
1547
1548 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1549
1550 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1551 void *opaque)
1552 {
1553 VMChangeStateEntry *e;
1554
1555 e = g_malloc0(sizeof (*e));
1556
1557 e->cb = cb;
1558 e->opaque = opaque;
1559 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1560 return e;
1561 }
1562
1563 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1564 {
1565 QLIST_REMOVE (e, entries);
1566 g_free (e);
1567 }
1568
1569 void vm_state_notify(int running, RunState state)
1570 {
1571 VMChangeStateEntry *e, *next;
1572
1573 trace_vm_state_notify(running, state);
1574
1575 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1576 e->cb(e->opaque, running, state);
1577 }
1578 }
1579
1580 /* reset/shutdown handler */
1581
1582 typedef struct QEMUResetEntry {
1583 QTAILQ_ENTRY(QEMUResetEntry) entry;
1584 QEMUResetHandler *func;
1585 void *opaque;
1586 } QEMUResetEntry;
1587
1588 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1589 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1590 static int reset_requested;
1591 static int shutdown_requested, shutdown_signal = -1;
1592 static pid_t shutdown_pid;
1593 static int powerdown_requested;
1594 static int debug_requested;
1595 static int suspend_requested;
1596 static WakeupReason wakeup_reason;
1597 static NotifierList powerdown_notifiers =
1598 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1599 static NotifierList suspend_notifiers =
1600 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1601 static NotifierList wakeup_notifiers =
1602 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1603 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1604
1605 int qemu_shutdown_requested_get(void)
1606 {
1607 return shutdown_requested;
1608 }
1609
1610 int qemu_reset_requested_get(void)
1611 {
1612 return reset_requested;
1613 }
1614
1615 static int qemu_shutdown_requested(void)
1616 {
1617 return atomic_xchg(&shutdown_requested, 0);
1618 }
1619
1620 static void qemu_kill_report(void)
1621 {
1622 if (!qtest_driver() && shutdown_signal != -1) {
1623 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1624 if (shutdown_pid == 0) {
1625 /* This happens for eg ^C at the terminal, so it's worth
1626 * avoiding printing an odd message in that case.
1627 */
1628 fputc('\n', stderr);
1629 } else {
1630 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1631 }
1632 shutdown_signal = -1;
1633 }
1634 }
1635
1636 static int qemu_reset_requested(void)
1637 {
1638 int r = reset_requested;
1639 reset_requested = 0;
1640 return r;
1641 }
1642
1643 static int qemu_suspend_requested(void)
1644 {
1645 int r = suspend_requested;
1646 suspend_requested = 0;
1647 return r;
1648 }
1649
1650 static WakeupReason qemu_wakeup_requested(void)
1651 {
1652 return wakeup_reason;
1653 }
1654
1655 static int qemu_powerdown_requested(void)
1656 {
1657 int r = powerdown_requested;
1658 powerdown_requested = 0;
1659 return r;
1660 }
1661
1662 static int qemu_debug_requested(void)
1663 {
1664 int r = debug_requested;
1665 debug_requested = 0;
1666 return r;
1667 }
1668
1669 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1670 {
1671 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1672
1673 re->func = func;
1674 re->opaque = opaque;
1675 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1676 }
1677
1678 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1679 {
1680 QEMUResetEntry *re;
1681
1682 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1683 if (re->func == func && re->opaque == opaque) {
1684 QTAILQ_REMOVE(&reset_handlers, re, entry);
1685 g_free(re);
1686 return;
1687 }
1688 }
1689 }
1690
1691 void qemu_devices_reset(void)
1692 {
1693 QEMUResetEntry *re, *nre;
1694
1695 /* reset all devices */
1696 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1697 re->func(re->opaque);
1698 }
1699 }
1700
1701 void qemu_system_reset(bool report)
1702 {
1703 MachineClass *mc;
1704
1705 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1706
1707 if (mc && mc->reset) {
1708 mc->reset();
1709 } else {
1710 qemu_devices_reset();
1711 }
1712 if (report) {
1713 qapi_event_send_reset(&error_abort);
1714 }
1715 cpu_synchronize_all_post_reset();
1716 }
1717
1718 void qemu_system_guest_panicked(void)
1719 {
1720 if (current_cpu) {
1721 current_cpu->crash_occurred = true;
1722 }
1723 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1724 vm_stop(RUN_STATE_GUEST_PANICKED);
1725 }
1726
1727 void qemu_system_reset_request(void)
1728 {
1729 if (no_reboot) {
1730 shutdown_requested = 1;
1731 } else {
1732 reset_requested = 1;
1733 }
1734 cpu_stop_current();
1735 qemu_notify_event();
1736 }
1737
1738 static void qemu_system_suspend(void)
1739 {
1740 pause_all_vcpus();
1741 notifier_list_notify(&suspend_notifiers, NULL);
1742 runstate_set(RUN_STATE_SUSPENDED);
1743 qapi_event_send_suspend(&error_abort);
1744 }
1745
1746 void qemu_system_suspend_request(void)
1747 {
1748 if (runstate_check(RUN_STATE_SUSPENDED)) {
1749 return;
1750 }
1751 suspend_requested = 1;
1752 cpu_stop_current();
1753 qemu_notify_event();
1754 }
1755
1756 void qemu_register_suspend_notifier(Notifier *notifier)
1757 {
1758 notifier_list_add(&suspend_notifiers, notifier);
1759 }
1760
1761 void qemu_system_wakeup_request(WakeupReason reason)
1762 {
1763 trace_system_wakeup_request(reason);
1764
1765 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1766 return;
1767 }
1768 if (!(wakeup_reason_mask & (1 << reason))) {
1769 return;
1770 }
1771 runstate_set(RUN_STATE_RUNNING);
1772 wakeup_reason = reason;
1773 qemu_notify_event();
1774 }
1775
1776 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1777 {
1778 if (enabled) {
1779 wakeup_reason_mask |= (1 << reason);
1780 } else {
1781 wakeup_reason_mask &= ~(1 << reason);
1782 }
1783 }
1784
1785 void qemu_register_wakeup_notifier(Notifier *notifier)
1786 {
1787 notifier_list_add(&wakeup_notifiers, notifier);
1788 }
1789
1790 void qemu_system_killed(int signal, pid_t pid)
1791 {
1792 shutdown_signal = signal;
1793 shutdown_pid = pid;
1794 no_shutdown = 0;
1795 qemu_system_shutdown_request();
1796 }
1797
1798 void qemu_system_shutdown_request(void)
1799 {
1800 trace_qemu_system_shutdown_request();
1801 shutdown_requested = 1;
1802 qemu_notify_event();
1803 }
1804
1805 static void qemu_system_powerdown(void)
1806 {
1807 qapi_event_send_powerdown(&error_abort);
1808 notifier_list_notify(&powerdown_notifiers, NULL);
1809 }
1810
1811 void qemu_system_powerdown_request(void)
1812 {
1813 trace_qemu_system_powerdown_request();
1814 powerdown_requested = 1;
1815 qemu_notify_event();
1816 }
1817
1818 void qemu_register_powerdown_notifier(Notifier *notifier)
1819 {
1820 notifier_list_add(&powerdown_notifiers, notifier);
1821 }
1822
1823 void qemu_system_debug_request(void)
1824 {
1825 debug_requested = 1;
1826 qemu_notify_event();
1827 }
1828
1829 static bool main_loop_should_exit(void)
1830 {
1831 RunState r;
1832 if (qemu_debug_requested()) {
1833 vm_stop(RUN_STATE_DEBUG);
1834 }
1835 if (qemu_suspend_requested()) {
1836 qemu_system_suspend();
1837 }
1838 if (qemu_shutdown_requested()) {
1839 qemu_kill_report();
1840 qapi_event_send_shutdown(&error_abort);
1841 if (no_shutdown) {
1842 vm_stop(RUN_STATE_SHUTDOWN);
1843 } else {
1844 return true;
1845 }
1846 }
1847 if (qemu_reset_requested()) {
1848 pause_all_vcpus();
1849 cpu_synchronize_all_states();
1850 qemu_system_reset(VMRESET_REPORT);
1851 resume_all_vcpus();
1852 if (runstate_needs_reset()) {
1853 runstate_set(RUN_STATE_PAUSED);
1854 }
1855 }
1856 if (qemu_wakeup_requested()) {
1857 pause_all_vcpus();
1858 cpu_synchronize_all_states();
1859 qemu_system_reset(VMRESET_SILENT);
1860 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1861 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1862 resume_all_vcpus();
1863 qapi_event_send_wakeup(&error_abort);
1864 }
1865 if (qemu_powerdown_requested()) {
1866 qemu_system_powerdown();
1867 }
1868 if (qemu_vmstop_requested(&r)) {
1869 vm_stop(r);
1870 }
1871 return false;
1872 }
1873
1874 static void main_loop(void)
1875 {
1876 bool nonblocking;
1877 int last_io = 0;
1878 #ifdef CONFIG_PROFILER
1879 int64_t ti;
1880 #endif
1881 do {
1882 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1883 #ifdef CONFIG_PROFILER
1884 ti = profile_getclock();
1885 #endif
1886 last_io = main_loop_wait(nonblocking);
1887 #ifdef CONFIG_PROFILER
1888 dev_time += profile_getclock() - ti;
1889 #endif
1890 } while (!main_loop_should_exit());
1891 }
1892
1893 static void version(void)
1894 {
1895 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1896 }
1897
1898 static void help(int exitcode)
1899 {
1900 version();
1901 printf("usage: %s [options] [disk_image]\n\n"
1902 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1903 error_get_progname());
1904
1905 #define QEMU_OPTIONS_GENERATE_HELP
1906 #include "qemu-options-wrapper.h"
1907
1908 printf("\nDuring emulation, the following keys are useful:\n"
1909 "ctrl-alt-f toggle full screen\n"
1910 "ctrl-alt-n switch to virtual console 'n'\n"
1911 "ctrl-alt toggle mouse and keyboard grab\n"
1912 "\n"
1913 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1914
1915 exit(exitcode);
1916 }
1917
1918 #define HAS_ARG 0x0001
1919
1920 typedef struct QEMUOption {
1921 const char *name;
1922 int flags;
1923 int index;
1924 uint32_t arch_mask;
1925 } QEMUOption;
1926
1927 static const QEMUOption qemu_options[] = {
1928 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1929 #define QEMU_OPTIONS_GENERATE_OPTIONS
1930 #include "qemu-options-wrapper.h"
1931 { NULL },
1932 };
1933
1934 static bool vga_available(void)
1935 {
1936 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1937 }
1938
1939 static bool cirrus_vga_available(void)
1940 {
1941 return object_class_by_name("cirrus-vga")
1942 || object_class_by_name("isa-cirrus-vga");
1943 }
1944
1945 static bool vmware_vga_available(void)
1946 {
1947 return object_class_by_name("vmware-svga");
1948 }
1949
1950 static bool qxl_vga_available(void)
1951 {
1952 return object_class_by_name("qxl-vga");
1953 }
1954
1955 static bool tcx_vga_available(void)
1956 {
1957 return object_class_by_name("SUNW,tcx");
1958 }
1959
1960 static bool cg3_vga_available(void)
1961 {
1962 return object_class_by_name("cgthree");
1963 }
1964
1965 static bool virtio_vga_available(void)
1966 {
1967 return object_class_by_name("virtio-vga");
1968 }
1969
1970 static void select_vgahw (const char *p)
1971 {
1972 const char *opts;
1973
1974 assert(vga_interface_type == VGA_NONE);
1975 if (strstart(p, "std", &opts)) {
1976 if (vga_available()) {
1977 vga_interface_type = VGA_STD;
1978 } else {
1979 fprintf(stderr, "Error: standard VGA not available\n");
1980 exit(0);
1981 }
1982 } else if (strstart(p, "cirrus", &opts)) {
1983 if (cirrus_vga_available()) {
1984 vga_interface_type = VGA_CIRRUS;
1985 } else {
1986 fprintf(stderr, "Error: Cirrus VGA not available\n");
1987 exit(0);
1988 }
1989 } else if (strstart(p, "vmware", &opts)) {
1990 if (vmware_vga_available()) {
1991 vga_interface_type = VGA_VMWARE;
1992 } else {
1993 fprintf(stderr, "Error: VMWare SVGA not available\n");
1994 exit(0);
1995 }
1996 } else if (strstart(p, "virtio", &opts)) {
1997 if (virtio_vga_available()) {
1998 vga_interface_type = VGA_VIRTIO;
1999 } else {
2000 fprintf(stderr, "Error: Virtio VGA not available\n");
2001 exit(0);
2002 }
2003 } else if (strstart(p, "xenfb", &opts)) {
2004 vga_interface_type = VGA_XENFB;
2005 } else if (strstart(p, "qxl", &opts)) {
2006 if (qxl_vga_available()) {
2007 vga_interface_type = VGA_QXL;
2008 } else {
2009 fprintf(stderr, "Error: QXL VGA not available\n");
2010 exit(0);
2011 }
2012 } else if (strstart(p, "tcx", &opts)) {
2013 if (tcx_vga_available()) {
2014 vga_interface_type = VGA_TCX;
2015 } else {
2016 fprintf(stderr, "Error: TCX framebuffer not available\n");
2017 exit(0);
2018 }
2019 } else if (strstart(p, "cg3", &opts)) {
2020 if (cg3_vga_available()) {
2021 vga_interface_type = VGA_CG3;
2022 } else {
2023 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2024 exit(0);
2025 }
2026 } else if (!strstart(p, "none", &opts)) {
2027 invalid_vga:
2028 fprintf(stderr, "Unknown vga type: %s\n", p);
2029 exit(1);
2030 }
2031 while (*opts) {
2032 const char *nextopt;
2033
2034 if (strstart(opts, ",retrace=", &nextopt)) {
2035 opts = nextopt;
2036 if (strstart(opts, "dumb", &nextopt))
2037 vga_retrace_method = VGA_RETRACE_DUMB;
2038 else if (strstart(opts, "precise", &nextopt))
2039 vga_retrace_method = VGA_RETRACE_PRECISE;
2040 else goto invalid_vga;
2041 } else goto invalid_vga;
2042 opts = nextopt;
2043 }
2044 }
2045
2046 static DisplayType select_display(const char *p)
2047 {
2048 const char *opts;
2049 DisplayType display = DT_DEFAULT;
2050
2051 if (strstart(p, "sdl", &opts)) {
2052 #ifdef CONFIG_SDL
2053 display = DT_SDL;
2054 while (*opts) {
2055 const char *nextopt;
2056
2057 if (strstart(opts, ",frame=", &nextopt)) {
2058 opts = nextopt;
2059 if (strstart(opts, "on", &nextopt)) {
2060 no_frame = 0;
2061 } else if (strstart(opts, "off", &nextopt)) {
2062 no_frame = 1;
2063 } else {
2064 goto invalid_sdl_args;
2065 }
2066 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2067 opts = nextopt;
2068 if (strstart(opts, "on", &nextopt)) {
2069 alt_grab = 1;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 alt_grab = 0;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2076 opts = nextopt;
2077 if (strstart(opts, "on", &nextopt)) {
2078 ctrl_grab = 1;
2079 } else if (strstart(opts, "off", &nextopt)) {
2080 ctrl_grab = 0;
2081 } else {
2082 goto invalid_sdl_args;
2083 }
2084 } else if (strstart(opts, ",window_close=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "on", &nextopt)) {
2087 no_quit = 0;
2088 } else if (strstart(opts, "off", &nextopt)) {
2089 no_quit = 1;
2090 } else {
2091 goto invalid_sdl_args;
2092 }
2093 } else if (strstart(opts, ",gl=", &nextopt)) {
2094 opts = nextopt;
2095 if (strstart(opts, "on", &nextopt)) {
2096 request_opengl = 1;
2097 } else if (strstart(opts, "off", &nextopt)) {
2098 request_opengl = 0;
2099 } else {
2100 goto invalid_sdl_args;
2101 }
2102 } else {
2103 invalid_sdl_args:
2104 error_report("Invalid SDL option string");
2105 exit(1);
2106 }
2107 opts = nextopt;
2108 }
2109 #else
2110 error_report("SDL support is disabled");
2111 exit(1);
2112 #endif
2113 } else if (strstart(p, "vnc", &opts)) {
2114 #ifdef CONFIG_VNC
2115 if (*opts == '=') {
2116 Error *err = NULL;
2117 if (vnc_parse(opts + 1, &err) == NULL) {
2118 error_report_err(err);
2119 exit(1);
2120 }
2121 } else {
2122 error_report("VNC requires a display argument vnc=<display>");
2123 exit(1);
2124 }
2125 #else
2126 error_report("VNC support is disabled");
2127 exit(1);
2128 #endif
2129 } else if (strstart(p, "curses", &opts)) {
2130 #ifdef CONFIG_CURSES
2131 display = DT_CURSES;
2132 #else
2133 error_report("Curses support is disabled");
2134 exit(1);
2135 #endif
2136 } else if (strstart(p, "gtk", &opts)) {
2137 #ifdef CONFIG_GTK
2138 display = DT_GTK;
2139 while (*opts) {
2140 const char *nextopt;
2141
2142 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2143 opts = nextopt;
2144 if (strstart(opts, "on", &nextopt)) {
2145 grab_on_hover = true;
2146 } else if (strstart(opts, "off", &nextopt)) {
2147 grab_on_hover = false;
2148 } else {
2149 goto invalid_gtk_args;
2150 }
2151 } else if (strstart(opts, ",gl=", &nextopt)) {
2152 opts = nextopt;
2153 if (strstart(opts, "on", &nextopt)) {
2154 request_opengl = 1;
2155 } else if (strstart(opts, "off", &nextopt)) {
2156 request_opengl = 0;
2157 } else {
2158 goto invalid_gtk_args;
2159 }
2160 } else {
2161 invalid_gtk_args:
2162 error_report("Invalid GTK option string");
2163 exit(1);
2164 }
2165 opts = nextopt;
2166 }
2167 #else
2168 error_report("GTK support is disabled");
2169 exit(1);
2170 #endif
2171 } else if (strstart(p, "none", &opts)) {
2172 display = DT_NONE;
2173 } else {
2174 error_report("Unknown display type");
2175 exit(1);
2176 }
2177
2178 return display;
2179 }
2180
2181 static int balloon_parse(const char *arg)
2182 {
2183 QemuOpts *opts;
2184
2185 if (strcmp(arg, "none") == 0) {
2186 return 0;
2187 }
2188
2189 if (!strncmp(arg, "virtio", 6)) {
2190 if (arg[6] == ',') {
2191 /* have params -> parse them */
2192 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2193 false);
2194 if (!opts)
2195 return -1;
2196 } else {
2197 /* create empty opts */
2198 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2199 &error_abort);
2200 }
2201 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2202 return 0;
2203 }
2204
2205 return -1;
2206 }
2207
2208 char *qemu_find_file(int type, const char *name)
2209 {
2210 int i;
2211 const char *subdir;
2212 char *buf;
2213
2214 /* Try the name as a straight path first */
2215 if (access(name, R_OK) == 0) {
2216 trace_load_file(name, name);
2217 return g_strdup(name);
2218 }
2219
2220 switch (type) {
2221 case QEMU_FILE_TYPE_BIOS:
2222 subdir = "";
2223 break;
2224 case QEMU_FILE_TYPE_KEYMAP:
2225 subdir = "keymaps/";
2226 break;
2227 default:
2228 abort();
2229 }
2230
2231 for (i = 0; i < data_dir_idx; i++) {
2232 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2233 if (access(buf, R_OK) == 0) {
2234 trace_load_file(name, buf);
2235 return buf;
2236 }
2237 g_free(buf);
2238 }
2239 return NULL;
2240 }
2241
2242 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2243 {
2244 gchar *buf;
2245 size_t size;
2246 const char *name, *file;
2247
2248 if (opaque == NULL) {
2249 error_report("fw_cfg device not available");
2250 return -1;
2251 }
2252 name = qemu_opt_get(opts, "name");
2253 file = qemu_opt_get(opts, "file");
2254 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2255 error_report("invalid argument value");
2256 return -1;
2257 }
2258 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2259 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2260 return -1;
2261 }
2262 if (strncmp(name, "opt/", 4) != 0) {
2263 error_report("WARNING: externally provided fw_cfg item names "
2264 "should be prefixed with \"opt/\"!");
2265 }
2266 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2267 error_report("can't load %s", file);
2268 return -1;
2269 }
2270 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2271 return 0;
2272 }
2273
2274 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2275 {
2276 return qdev_device_help(opts);
2277 }
2278
2279 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2280 {
2281 Error *err = NULL;
2282 DeviceState *dev;
2283
2284 dev = qdev_device_add(opts, &err);
2285 if (!dev) {
2286 error_report_err(err);
2287 return -1;
2288 }
2289 object_unref(OBJECT(dev));
2290 return 0;
2291 }
2292
2293 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2294 {
2295 Error *local_err = NULL;
2296
2297 qemu_chr_new_from_opts(opts, NULL, &local_err);
2298 if (local_err) {
2299 error_report_err(local_err);
2300 return -1;
2301 }
2302 return 0;
2303 }
2304
2305 #ifdef CONFIG_VIRTFS
2306 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2307 {
2308 int ret;
2309 ret = qemu_fsdev_add(opts);
2310
2311 return ret;
2312 }
2313 #endif
2314
2315 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2316 {
2317 CharDriverState *chr;
2318 const char *chardev;
2319 const char *mode;
2320 int flags;
2321
2322 mode = qemu_opt_get(opts, "mode");
2323 if (mode == NULL) {
2324 mode = "readline";
2325 }
2326 if (strcmp(mode, "readline") == 0) {
2327 flags = MONITOR_USE_READLINE;
2328 } else if (strcmp(mode, "control") == 0) {
2329 flags = MONITOR_USE_CONTROL;
2330 } else {
2331 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2332 exit(1);
2333 }
2334
2335 if (qemu_opt_get_bool(opts, "pretty", 0))
2336 flags |= MONITOR_USE_PRETTY;
2337
2338 if (qemu_opt_get_bool(opts, "default", 0))
2339 flags |= MONITOR_IS_DEFAULT;
2340
2341 chardev = qemu_opt_get(opts, "chardev");
2342 chr = qemu_chr_find(chardev);
2343 if (chr == NULL) {
2344 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2345 exit(1);
2346 }
2347
2348 qemu_chr_fe_claim_no_fail(chr);
2349 monitor_init(chr, flags);
2350 return 0;
2351 }
2352
2353 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2354 {
2355 static int monitor_device_index = 0;
2356 Error *local_err = NULL;
2357 QemuOpts *opts;
2358 const char *p;
2359 char label[32];
2360 int def = 0;
2361
2362 if (strstart(optarg, "chardev:", &p)) {
2363 snprintf(label, sizeof(label), "%s", p);
2364 } else {
2365 snprintf(label, sizeof(label), "compat_monitor%d",
2366 monitor_device_index);
2367 if (monitor_device_index == 0) {
2368 def = 1;
2369 }
2370 opts = qemu_chr_parse_compat(label, optarg);
2371 if (!opts) {
2372 fprintf(stderr, "parse error: %s\n", optarg);
2373 exit(1);
2374 }
2375 }
2376
2377 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2378 if (!opts) {
2379 error_report_err(local_err);
2380 exit(1);
2381 }
2382 qemu_opt_set(opts, "mode", mode, &error_abort);
2383 qemu_opt_set(opts, "chardev", label, &error_abort);
2384 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2385 if (def)
2386 qemu_opt_set(opts, "default", "on", &error_abort);
2387 monitor_device_index++;
2388 }
2389
2390 struct device_config {
2391 enum {
2392 DEV_USB, /* -usbdevice */
2393 DEV_BT, /* -bt */
2394 DEV_SERIAL, /* -serial */
2395 DEV_PARALLEL, /* -parallel */
2396 DEV_VIRTCON, /* -virtioconsole */
2397 DEV_DEBUGCON, /* -debugcon */
2398 DEV_GDB, /* -gdb, -s */
2399 DEV_SCLP, /* s390 sclp */
2400 } type;
2401 const char *cmdline;
2402 Location loc;
2403 QTAILQ_ENTRY(device_config) next;
2404 };
2405
2406 static QTAILQ_HEAD(, device_config) device_configs =
2407 QTAILQ_HEAD_INITIALIZER(device_configs);
2408
2409 static void add_device_config(int type, const char *cmdline)
2410 {
2411 struct device_config *conf;
2412
2413 conf = g_malloc0(sizeof(*conf));
2414 conf->type = type;
2415 conf->cmdline = cmdline;
2416 loc_save(&conf->loc);
2417 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2418 }
2419
2420 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2421 {
2422 struct device_config *conf;
2423 int rc;
2424
2425 QTAILQ_FOREACH(conf, &device_configs, next) {
2426 if (conf->type != type)
2427 continue;
2428 loc_push_restore(&conf->loc);
2429 rc = func(conf->cmdline);
2430 loc_pop(&conf->loc);
2431 if (rc) {
2432 return rc;
2433 }
2434 }
2435 return 0;
2436 }
2437
2438 static int serial_parse(const char *devname)
2439 {
2440 static int index = 0;
2441 char label[32];
2442
2443 if (strcmp(devname, "none") == 0)
2444 return 0;
2445 if (index == MAX_SERIAL_PORTS) {
2446 fprintf(stderr, "qemu: too many serial ports\n");
2447 exit(1);
2448 }
2449 snprintf(label, sizeof(label), "serial%d", index);
2450 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2451 if (!serial_hds[index]) {
2452 fprintf(stderr, "qemu: could not connect serial device"
2453 " to character backend '%s'\n", devname);
2454 return -1;
2455 }
2456 index++;
2457 return 0;
2458 }
2459
2460 static int parallel_parse(const char *devname)
2461 {
2462 static int index = 0;
2463 char label[32];
2464
2465 if (strcmp(devname, "none") == 0)
2466 return 0;
2467 if (index == MAX_PARALLEL_PORTS) {
2468 fprintf(stderr, "qemu: too many parallel ports\n");
2469 exit(1);
2470 }
2471 snprintf(label, sizeof(label), "parallel%d", index);
2472 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!parallel_hds[index]) {
2474 fprintf(stderr, "qemu: could not connect parallel device"
2475 " to character backend '%s'\n", devname);
2476 return -1;
2477 }
2478 index++;
2479 return 0;
2480 }
2481
2482 static int virtcon_parse(const char *devname)
2483 {
2484 QemuOptsList *device = qemu_find_opts("device");
2485 static int index = 0;
2486 char label[32];
2487 QemuOpts *bus_opts, *dev_opts;
2488
2489 if (strcmp(devname, "none") == 0)
2490 return 0;
2491 if (index == MAX_VIRTIO_CONSOLES) {
2492 fprintf(stderr, "qemu: too many virtio consoles\n");
2493 exit(1);
2494 }
2495
2496 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2497 if (arch_type == QEMU_ARCH_S390X) {
2498 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2499 } else {
2500 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2501 }
2502
2503 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2504 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2505
2506 snprintf(label, sizeof(label), "virtcon%d", index);
2507 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2508 if (!virtcon_hds[index]) {
2509 fprintf(stderr, "qemu: could not connect virtio console"
2510 " to character backend '%s'\n", devname);
2511 return -1;
2512 }
2513 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2514
2515 index++;
2516 return 0;
2517 }
2518
2519 static int sclp_parse(const char *devname)
2520 {
2521 QemuOptsList *device = qemu_find_opts("device");
2522 static int index = 0;
2523 char label[32];
2524 QemuOpts *dev_opts;
2525
2526 if (strcmp(devname, "none") == 0) {
2527 return 0;
2528 }
2529 if (index == MAX_SCLP_CONSOLES) {
2530 fprintf(stderr, "qemu: too many sclp consoles\n");
2531 exit(1);
2532 }
2533
2534 assert(arch_type == QEMU_ARCH_S390X);
2535
2536 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2537 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2538
2539 snprintf(label, sizeof(label), "sclpcon%d", index);
2540 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2541 if (!sclp_hds[index]) {
2542 fprintf(stderr, "qemu: could not connect sclp console"
2543 " to character backend '%s'\n", devname);
2544 return -1;
2545 }
2546 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2547
2548 index++;
2549 return 0;
2550 }
2551
2552 static int debugcon_parse(const char *devname)
2553 {
2554 QemuOpts *opts;
2555
2556 if (!qemu_chr_new("debugcon", devname, NULL)) {
2557 exit(1);
2558 }
2559 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2560 if (!opts) {
2561 fprintf(stderr, "qemu: already have a debugcon device\n");
2562 exit(1);
2563 }
2564 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2565 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2566 return 0;
2567 }
2568
2569 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2570 {
2571 const MachineClass *mc1 = a, *mc2 = b;
2572 int res;
2573
2574 if (mc1->family == NULL) {
2575 if (mc2->family == NULL) {
2576 /* Compare standalone machine types against each other; they sort
2577 * in increasing order.
2578 */
2579 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2580 object_class_get_name(OBJECT_CLASS(mc2)));
2581 }
2582
2583 /* Standalone machine types sort after families. */
2584 return 1;
2585 }
2586
2587 if (mc2->family == NULL) {
2588 /* Families sort before standalone machine types. */
2589 return -1;
2590 }
2591
2592 /* Families sort between each other alphabetically increasingly. */
2593 res = strcmp(mc1->family, mc2->family);
2594 if (res != 0) {
2595 return res;
2596 }
2597
2598 /* Within the same family, machine types sort in decreasing order. */
2599 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2600 object_class_get_name(OBJECT_CLASS(mc1)));
2601 }
2602
2603 static MachineClass *machine_parse(const char *name)
2604 {
2605 MachineClass *mc = NULL;
2606 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2607
2608 if (name) {
2609 mc = find_machine(name);
2610 }
2611 if (mc) {
2612 g_slist_free(machines);
2613 return mc;
2614 }
2615 if (name && !is_help_option(name)) {
2616 error_report("Unsupported machine type");
2617 error_printf("Use -machine help to list supported machines!\n");
2618 } else {
2619 printf("Supported machines are:\n");
2620 machines = g_slist_sort(machines, machine_class_cmp);
2621 for (el = machines; el; el = el->next) {
2622 MachineClass *mc = el->data;
2623 if (mc->alias) {
2624 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2625 }
2626 printf("%-20s %s%s\n", mc->name, mc->desc,
2627 mc->is_default ? " (default)" : "");
2628 }
2629 }
2630
2631 g_slist_free(machines);
2632 exit(!name || !is_help_option(name));
2633 }
2634
2635 void qemu_add_exit_notifier(Notifier *notify)
2636 {
2637 notifier_list_add(&exit_notifiers, notify);
2638 }
2639
2640 void qemu_remove_exit_notifier(Notifier *notify)
2641 {
2642 notifier_remove(notify);
2643 }
2644
2645 static void qemu_run_exit_notifiers(void)
2646 {
2647 notifier_list_notify(&exit_notifiers, NULL);
2648 }
2649
2650 static bool machine_init_done;
2651
2652 void qemu_add_machine_init_done_notifier(Notifier *notify)
2653 {
2654 notifier_list_add(&machine_init_done_notifiers, notify);
2655 if (machine_init_done) {
2656 notify->notify(notify, NULL);
2657 }
2658 }
2659
2660 static void qemu_run_machine_init_done_notifiers(void)
2661 {
2662 notifier_list_notify(&machine_init_done_notifiers, NULL);
2663 machine_init_done = true;
2664 }
2665
2666 static const QEMUOption *lookup_opt(int argc, char **argv,
2667 const char **poptarg, int *poptind)
2668 {
2669 const QEMUOption *popt;
2670 int optind = *poptind;
2671 char *r = argv[optind];
2672 const char *optarg;
2673
2674 loc_set_cmdline(argv, optind, 1);
2675 optind++;
2676 /* Treat --foo the same as -foo. */
2677 if (r[1] == '-')
2678 r++;
2679 popt = qemu_options;
2680 for(;;) {
2681 if (!popt->name) {
2682 error_report("invalid option");
2683 exit(1);
2684 }
2685 if (!strcmp(popt->name, r + 1))
2686 break;
2687 popt++;
2688 }
2689 if (popt->flags & HAS_ARG) {
2690 if (optind >= argc) {
2691 error_report("requires an argument");
2692 exit(1);
2693 }
2694 optarg = argv[optind++];
2695 loc_set_cmdline(argv, optind - 2, 2);
2696 } else {
2697 optarg = NULL;
2698 }
2699
2700 *poptarg = optarg;
2701 *poptind = optind;
2702
2703 return popt;
2704 }
2705
2706 static gpointer malloc_and_trace(gsize n_bytes)
2707 {
2708 void *ptr = malloc(n_bytes);
2709 trace_g_malloc(n_bytes, ptr);
2710 return ptr;
2711 }
2712
2713 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2714 {
2715 void *ptr = realloc(mem, n_bytes);
2716 trace_g_realloc(mem, n_bytes, ptr);
2717 return ptr;
2718 }
2719
2720 static void free_and_trace(gpointer mem)
2721 {
2722 trace_g_free(mem);
2723 free(mem);
2724 }
2725
2726 static int machine_set_property(void *opaque,
2727 const char *name, const char *value,
2728 Error **errp)
2729 {
2730 Object *obj = OBJECT(opaque);
2731 Error *local_err = NULL;
2732 char *c, *qom_name;
2733
2734 if (strcmp(name, "type") == 0) {
2735 return 0;
2736 }
2737
2738 qom_name = g_strdup(name);
2739 c = qom_name;
2740 while (*c++) {
2741 if (*c == '_') {
2742 *c = '-';
2743 }
2744 }
2745
2746 object_property_parse(obj, value, qom_name, &local_err);
2747 g_free(qom_name);
2748
2749 if (local_err) {
2750 error_report_err(local_err);
2751 return -1;
2752 }
2753
2754 return 0;
2755 }
2756
2757
2758 /*
2759 * Initial object creation happens before all other
2760 * QEMU data types are created. The majority of objects
2761 * can be created at this point. The rng-egd object
2762 * cannot be created here, as it depends on the chardev
2763 * already existing.
2764 */
2765 static bool object_create_initial(const char *type)
2766 {
2767 if (g_str_equal(type, "rng-egd")) {
2768 return false;
2769 }
2770 return true;
2771 }
2772
2773
2774 /*
2775 * The remainder of object creation happens after the
2776 * creation of chardev, fsdev and device data types.
2777 */
2778 static bool object_create_delayed(const char *type)
2779 {
2780 return !object_create_initial(type);
2781 }
2782
2783
2784 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2785 {
2786 Error *err = NULL;
2787 char *type = NULL;
2788 char *id = NULL;
2789 void *dummy = NULL;
2790 OptsVisitor *ov;
2791 QDict *pdict;
2792 bool (*type_predicate)(const char *) = opaque;
2793
2794 ov = opts_visitor_new(opts);
2795 pdict = qemu_opts_to_qdict(opts, NULL);
2796
2797 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2798 if (err) {
2799 goto out;
2800 }
2801
2802 qdict_del(pdict, "qom-type");
2803 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2804 if (err) {
2805 goto out;
2806 }
2807 if (!type_predicate(type)) {
2808 goto out;
2809 }
2810
2811 qdict_del(pdict, "id");
2812 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2813 if (err) {
2814 goto out;
2815 }
2816
2817 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2818 if (err) {
2819 goto out;
2820 }
2821 visit_end_struct(opts_get_visitor(ov), &err);
2822 if (err) {
2823 qmp_object_del(id, NULL);
2824 }
2825
2826 out:
2827 opts_visitor_cleanup(ov);
2828
2829 QDECREF(pdict);
2830 g_free(id);
2831 g_free(type);
2832 g_free(dummy);
2833 if (err) {
2834 error_report_err(err);
2835 return -1;
2836 }
2837 return 0;
2838 }
2839
2840 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2841 MachineClass *mc)
2842 {
2843 uint64_t sz;
2844 const char *mem_str;
2845 const char *maxmem_str, *slots_str;
2846 const ram_addr_t default_ram_size = mc->default_ram_size;
2847 QemuOpts *opts = qemu_find_opts_singleton("memory");
2848
2849 sz = 0;
2850 mem_str = qemu_opt_get(opts, "size");
2851 if (mem_str) {
2852 if (!*mem_str) {
2853 error_report("missing 'size' option value");
2854 exit(EXIT_FAILURE);
2855 }
2856
2857 sz = qemu_opt_get_size(opts, "size", ram_size);
2858
2859 /* Fix up legacy suffix-less format */
2860 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2861 uint64_t overflow_check = sz;
2862
2863 sz <<= 20;
2864 if ((sz >> 20) != overflow_check) {
2865 error_report("too large 'size' option value");
2866 exit(EXIT_FAILURE);
2867 }
2868 }
2869 }
2870
2871 /* backward compatibility behaviour for case "-m 0" */
2872 if (sz == 0) {
2873 sz = default_ram_size;
2874 }
2875
2876 sz = QEMU_ALIGN_UP(sz, 8192);
2877 ram_size = sz;
2878 if (ram_size != sz) {
2879 error_report("ram size too large");
2880 exit(EXIT_FAILURE);
2881 }
2882
2883 /* store value for the future use */
2884 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2885 *maxram_size = ram_size;
2886
2887 maxmem_str = qemu_opt_get(opts, "maxmem");
2888 slots_str = qemu_opt_get(opts, "slots");
2889 if (maxmem_str && slots_str) {
2890 uint64_t slots;
2891
2892 sz = qemu_opt_get_size(opts, "maxmem", 0);
2893 slots = qemu_opt_get_number(opts, "slots", 0);
2894 if (sz < ram_size) {
2895 error_report("invalid value of -m option maxmem: "
2896 "maximum memory size (0x%" PRIx64 ") must be at least "
2897 "the initial memory size (0x" RAM_ADDR_FMT ")",
2898 sz, ram_size);
2899 exit(EXIT_FAILURE);
2900 } else if (sz > ram_size) {
2901 if (!slots) {
2902 error_report("invalid value of -m option: maxmem was "
2903 "specified, but no hotplug slots were specified");
2904 exit(EXIT_FAILURE);
2905 }
2906 } else if (slots) {
2907 error_report("invalid value of -m option maxmem: "
2908 "memory slots were specified but maximum memory size "
2909 "(0x%" PRIx64 ") is equal to the initial memory size "
2910 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2911 exit(EXIT_FAILURE);
2912 }
2913
2914 *maxram_size = sz;
2915 *ram_slots = slots;
2916 } else if ((!maxmem_str && slots_str) ||
2917 (maxmem_str && !slots_str)) {
2918 error_report("invalid -m option value: missing "
2919 "'%s' option", slots_str ? "maxmem" : "slots");
2920 exit(EXIT_FAILURE);
2921 }
2922 }
2923
2924 int main(int argc, char **argv, char **envp)
2925 {
2926 int i;
2927 int snapshot, linux_boot;
2928 const char *initrd_filename;
2929 const char *kernel_filename, *kernel_cmdline;
2930 const char *boot_order = NULL;
2931 const char *boot_once = NULL;
2932 DisplayState *ds;
2933 int cyls, heads, secs, translation;
2934 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2935 QemuOptsList *olist;
2936 int optind;
2937 const char *optarg;
2938 const char *loadvm = NULL;
2939 MachineClass *machine_class;
2940 const char *cpu_model;
2941 const char *vga_model = NULL;
2942 const char *qtest_chrdev = NULL;
2943 const char *qtest_log = NULL;
2944 const char *pid_file = NULL;
2945 const char *incoming = NULL;
2946 #ifdef CONFIG_VNC
2947 int show_vnc_port = 0;
2948 #endif
2949 bool defconfig = true;
2950 bool userconfig = true;
2951 const char *log_mask = NULL;
2952 const char *log_file = NULL;
2953 GMemVTable mem_trace = {
2954 .malloc = malloc_and_trace,
2955 .realloc = realloc_and_trace,
2956 .free = free_and_trace,
2957 };
2958 const char *trace_events = NULL;
2959 const char *trace_file = NULL;
2960 ram_addr_t maxram_size;
2961 uint64_t ram_slots = 0;
2962 FILE *vmstate_dump_file = NULL;
2963 Error *main_loop_err = NULL;
2964 Error *err = NULL;
2965
2966 qemu_init_cpu_loop();
2967 qemu_mutex_lock_iothread();
2968
2969 atexit(qemu_run_exit_notifiers);
2970 error_set_progname(argv[0]);
2971 qemu_init_exec_dir(argv[0]);
2972
2973 g_mem_set_vtable(&mem_trace);
2974
2975 module_call_init(MODULE_INIT_QOM);
2976
2977 qemu_add_opts(&qemu_drive_opts);
2978 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2979 qemu_add_drive_opts(&qemu_common_drive_opts);
2980 qemu_add_drive_opts(&qemu_drive_opts);
2981 qemu_add_opts(&qemu_chardev_opts);
2982 qemu_add_opts(&qemu_device_opts);
2983 qemu_add_opts(&qemu_netdev_opts);
2984 qemu_add_opts(&qemu_net_opts);
2985 qemu_add_opts(&qemu_rtc_opts);
2986 qemu_add_opts(&qemu_global_opts);
2987 qemu_add_opts(&qemu_mon_opts);
2988 qemu_add_opts(&qemu_trace_opts);
2989 qemu_add_opts(&qemu_option_rom_opts);
2990 qemu_add_opts(&qemu_machine_opts);
2991 qemu_add_opts(&qemu_mem_opts);
2992 qemu_add_opts(&qemu_smp_opts);
2993 qemu_add_opts(&qemu_boot_opts);
2994 qemu_add_opts(&qemu_sandbox_opts);
2995 qemu_add_opts(&qemu_add_fd_opts);
2996 qemu_add_opts(&qemu_object_opts);
2997 qemu_add_opts(&qemu_tpmdev_opts);
2998 qemu_add_opts(&qemu_realtime_opts);
2999 qemu_add_opts(&qemu_msg_opts);
3000 qemu_add_opts(&qemu_name_opts);
3001 qemu_add_opts(&qemu_numa_opts);
3002 qemu_add_opts(&qemu_icount_opts);
3003 qemu_add_opts(&qemu_semihosting_config_opts);
3004 qemu_add_opts(&qemu_fw_cfg_opts);
3005
3006 runstate_init();
3007
3008 if (qcrypto_init(&err) < 0) {
3009 fprintf(stderr, "Cannot initialize crypto: %s\n",
3010 error_get_pretty(err));
3011 exit(1);
3012 }
3013 rtc_clock = QEMU_CLOCK_HOST;
3014
3015 QLIST_INIT (&vm_change_state_head);
3016 os_setup_early_signal_handling();
3017
3018 module_call_init(MODULE_INIT_MACHINE);
3019 machine_class = find_default_machine();
3020 cpu_model = NULL;
3021 snapshot = 0;
3022 cyls = heads = secs = 0;
3023 translation = BIOS_ATA_TRANSLATION_AUTO;
3024
3025 nb_nics = 0;
3026
3027 bdrv_init_with_whitelist();
3028
3029 autostart = 1;
3030
3031 /* first pass of option parsing */
3032 optind = 1;
3033 while (optind < argc) {
3034 if (argv[optind][0] != '-') {
3035 /* disk image */
3036 optind++;
3037 } else {
3038 const QEMUOption *popt;
3039
3040 popt = lookup_opt(argc, argv, &optarg, &optind);
3041 switch (popt->index) {
3042 case QEMU_OPTION_nodefconfig:
3043 defconfig = false;
3044 break;
3045 case QEMU_OPTION_nouserconfig:
3046 userconfig = false;
3047 break;
3048 }
3049 }
3050 }
3051
3052 if (defconfig) {
3053 int ret;
3054 ret = qemu_read_default_config_files(userconfig);
3055 if (ret < 0) {
3056 exit(1);
3057 }
3058 }
3059
3060 /* second pass of option parsing */
3061 optind = 1;
3062 for(;;) {
3063 if (optind >= argc)
3064 break;
3065 if (argv[optind][0] != '-') {
3066 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3067 } else {
3068 const QEMUOption *popt;
3069
3070 popt = lookup_opt(argc, argv, &optarg, &optind);
3071 if (!(popt->arch_mask & arch_type)) {
3072 printf("Option %s not supported for this target\n", popt->name);
3073 exit(1);
3074 }
3075 switch(popt->index) {
3076 case QEMU_OPTION_no_kvm_irqchip: {
3077 olist = qemu_find_opts("machine");
3078 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3079 break;
3080 }
3081 case QEMU_OPTION_cpu:
3082 /* hw initialization will check this */
3083 cpu_model = optarg;
3084 break;
3085 case QEMU_OPTION_hda:
3086 {
3087 char buf[256];
3088 if (cyls == 0)
3089 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3090 else
3091 snprintf(buf, sizeof(buf),
3092 "%s,cyls=%d,heads=%d,secs=%d%s",
3093 HD_OPTS , cyls, heads, secs,
3094 translation == BIOS_ATA_TRANSLATION_LBA ?
3095 ",trans=lba" :
3096 translation == BIOS_ATA_TRANSLATION_NONE ?
3097 ",trans=none" : "");
3098 drive_add(IF_DEFAULT, 0, optarg, buf);
3099 break;
3100 }
3101 case QEMU_OPTION_hdb:
3102 case QEMU_OPTION_hdc:
3103 case QEMU_OPTION_hdd:
3104 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3105 HD_OPTS);
3106 break;
3107 case QEMU_OPTION_drive:
3108 if (drive_def(optarg) == NULL) {
3109 exit(1);
3110 }
3111 break;
3112 case QEMU_OPTION_set:
3113 if (qemu_set_option(optarg) != 0)
3114 exit(1);
3115 break;
3116 case QEMU_OPTION_global:
3117 if (qemu_global_option(optarg) != 0)
3118 exit(1);
3119 break;
3120 case QEMU_OPTION_mtdblock:
3121 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3122 break;
3123 case QEMU_OPTION_sd:
3124 drive_add(IF_SD, -1, optarg, SD_OPTS);
3125 break;
3126 case QEMU_OPTION_pflash:
3127 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3128 break;
3129 case QEMU_OPTION_snapshot:
3130 snapshot = 1;
3131 break;
3132 case QEMU_OPTION_hdachs:
3133 {
3134 const char *p;
3135 p = optarg;
3136 cyls = strtol(p, (char **)&p, 0);
3137 if (cyls < 1 || cyls > 16383)
3138 goto chs_fail;
3139 if (*p != ',')
3140 goto chs_fail;
3141 p++;
3142 heads = strtol(p, (char **)&p, 0);
3143 if (heads < 1 || heads > 16)
3144 goto chs_fail;
3145 if (*p != ',')
3146 goto chs_fail;
3147 p++;
3148 secs = strtol(p, (char **)&p, 0);
3149 if (secs < 1 || secs > 63)
3150 goto chs_fail;
3151 if (*p == ',') {
3152 p++;
3153 if (!strcmp(p, "large")) {
3154 translation = BIOS_ATA_TRANSLATION_LARGE;
3155 } else if (!strcmp(p, "rechs")) {
3156 translation = BIOS_ATA_TRANSLATION_RECHS;
3157 } else if (!strcmp(p, "none")) {
3158 translation = BIOS_ATA_TRANSLATION_NONE;
3159 } else if (!strcmp(p, "lba")) {
3160 translation = BIOS_ATA_TRANSLATION_LBA;
3161 } else if (!strcmp(p, "auto")) {
3162 translation = BIOS_ATA_TRANSLATION_AUTO;
3163 } else {
3164 goto chs_fail;
3165 }
3166 } else if (*p != '\0') {
3167 chs_fail:
3168 fprintf(stderr, "qemu: invalid physical CHS format\n");
3169 exit(1);
3170 }
3171 if (hda_opts != NULL) {
3172 qemu_opt_set_number(hda_opts, "cyls", cyls,
3173 &error_abort);
3174 qemu_opt_set_number(hda_opts, "heads", heads,
3175 &error_abort);
3176 qemu_opt_set_number(hda_opts, "secs", secs,
3177 &error_abort);
3178 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3179 qemu_opt_set(hda_opts, "trans", "large",
3180 &error_abort);
3181 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3182 qemu_opt_set(hda_opts, "trans", "rechs",
3183 &error_abort);
3184 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3185 qemu_opt_set(hda_opts, "trans", "lba",
3186 &error_abort);
3187 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3188 qemu_opt_set(hda_opts, "trans", "none",
3189 &error_abort);
3190 }
3191 }
3192 }
3193 break;
3194 case QEMU_OPTION_numa:
3195 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3196 optarg, true);
3197 if (!opts) {
3198 exit(1);
3199 }
3200 break;
3201 case QEMU_OPTION_display:
3202 display_type = select_display(optarg);
3203 break;
3204 case QEMU_OPTION_nographic:
3205 display_type = DT_NOGRAPHIC;
3206 break;
3207 case QEMU_OPTION_curses:
3208 #ifdef CONFIG_CURSES
3209 display_type = DT_CURSES;
3210 #else
3211 fprintf(stderr, "Curses support is disabled\n");
3212 exit(1);
3213 #endif
3214 break;
3215 case QEMU_OPTION_portrait:
3216 graphic_rotate = 90;
3217 break;
3218 case QEMU_OPTION_rotate:
3219 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3220 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3221 graphic_rotate != 180 && graphic_rotate != 270) {
3222 fprintf(stderr,
3223 "qemu: only 90, 180, 270 deg rotation is available\n");
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_kernel:
3228 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3229 &error_abort);
3230 break;
3231 case QEMU_OPTION_initrd:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_append:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_dtb:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_cdrom:
3244 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3245 break;
3246 case QEMU_OPTION_boot:
3247 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3248 optarg, true);
3249 if (!opts) {
3250 exit(1);
3251 }
3252 break;
3253 case QEMU_OPTION_fda:
3254 case QEMU_OPTION_fdb:
3255 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3256 optarg, FD_OPTS);
3257 break;
3258 case QEMU_OPTION_no_fd_bootchk:
3259 fd_bootchk = 0;
3260 break;
3261 case QEMU_OPTION_netdev:
3262 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_net:
3267 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3268 exit(1);
3269 }
3270 break;
3271 #ifdef CONFIG_LIBISCSI
3272 case QEMU_OPTION_iscsi:
3273 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3274 optarg, false);
3275 if (!opts) {
3276 exit(1);
3277 }
3278 break;
3279 #endif
3280 #ifdef CONFIG_SLIRP
3281 case QEMU_OPTION_tftp:
3282 legacy_tftp_prefix = optarg;
3283 break;
3284 case QEMU_OPTION_bootp:
3285 legacy_bootp_filename = optarg;
3286 break;
3287 case QEMU_OPTION_redir:
3288 if (net_slirp_redir(optarg) < 0)
3289 exit(1);
3290 break;
3291 #endif
3292 case QEMU_OPTION_bt:
3293 add_device_config(DEV_BT, optarg);
3294 break;
3295 case QEMU_OPTION_audio_help:
3296 AUD_help ();
3297 exit (0);
3298 break;
3299 case QEMU_OPTION_soundhw:
3300 select_soundhw (optarg);
3301 break;
3302 case QEMU_OPTION_h:
3303 help(0);
3304 break;
3305 case QEMU_OPTION_version:
3306 version();
3307 exit(0);
3308 break;
3309 case QEMU_OPTION_m:
3310 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3311 optarg, true);
3312 if (!opts) {
3313 exit(EXIT_FAILURE);
3314 }
3315 break;
3316 #ifdef CONFIG_TPM
3317 case QEMU_OPTION_tpmdev:
3318 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3319 exit(1);
3320 }
3321 break;
3322 #endif
3323 case QEMU_OPTION_mempath:
3324 mem_path = optarg;
3325 break;
3326 case QEMU_OPTION_mem_prealloc:
3327 mem_prealloc = 1;
3328 break;
3329 case QEMU_OPTION_d:
3330 log_mask = optarg;
3331 break;
3332 case QEMU_OPTION_D:
3333 log_file = optarg;
3334 break;
3335 case QEMU_OPTION_s:
3336 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3337 break;
3338 case QEMU_OPTION_gdb:
3339 add_device_config(DEV_GDB, optarg);
3340 break;
3341 case QEMU_OPTION_L:
3342 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3343 data_dir[data_dir_idx++] = optarg;
3344 }
3345 break;
3346 case QEMU_OPTION_bios:
3347 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3348 &error_abort);
3349 break;
3350 case QEMU_OPTION_singlestep:
3351 singlestep = 1;
3352 break;
3353 case QEMU_OPTION_S:
3354 autostart = 0;
3355 break;
3356 case QEMU_OPTION_k:
3357 keyboard_layout = optarg;
3358 break;
3359 case QEMU_OPTION_localtime:
3360 rtc_utc = 0;
3361 break;
3362 case QEMU_OPTION_vga:
3363 vga_model = optarg;
3364 default_vga = 0;
3365 break;
3366 case QEMU_OPTION_g:
3367 {
3368 const char *p;
3369 int w, h, depth;
3370 p = optarg;
3371 w = strtol(p, (char **)&p, 10);
3372 if (w <= 0) {
3373 graphic_error:
3374 fprintf(stderr, "qemu: invalid resolution or depth\n");
3375 exit(1);
3376 }
3377 if (*p != 'x')
3378 goto graphic_error;
3379 p++;
3380 h = strtol(p, (char **)&p, 10);
3381 if (h <= 0)
3382 goto graphic_error;
3383 if (*p == 'x') {
3384 p++;
3385 depth = strtol(p, (char **)&p, 10);
3386 if (depth != 8 && depth != 15 && depth != 16 &&
3387 depth != 24 && depth != 32)
3388 goto graphic_error;
3389 } else if (*p == '\0') {
3390 depth = graphic_depth;
3391 } else {
3392 goto graphic_error;
3393 }
3394
3395 graphic_width = w;
3396 graphic_height = h;
3397 graphic_depth = depth;
3398 }
3399 break;
3400 case QEMU_OPTION_echr:
3401 {
3402 char *r;
3403 term_escape_char = strtol(optarg, &r, 0);
3404 if (r == optarg)
3405 printf("Bad argument to echr\n");
3406 break;
3407 }
3408 case QEMU_OPTION_monitor:
3409 default_monitor = 0;
3410 if (strncmp(optarg, "none", 4)) {
3411 monitor_parse(optarg, "readline", false);
3412 }
3413 break;
3414 case QEMU_OPTION_qmp:
3415 monitor_parse(optarg, "control", false);
3416 default_monitor = 0;
3417 break;
3418 case QEMU_OPTION_qmp_pretty:
3419 monitor_parse(optarg, "control", true);
3420 default_monitor = 0;
3421 break;
3422 case QEMU_OPTION_mon:
3423 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3424 true);
3425 if (!opts) {
3426 exit(1);
3427 }
3428 default_monitor = 0;
3429 break;
3430 case QEMU_OPTION_chardev:
3431 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3432 optarg, true);
3433 if (!opts) {
3434 exit(1);
3435 }
3436 break;
3437 case QEMU_OPTION_fsdev:
3438 olist = qemu_find_opts("fsdev");
3439 if (!olist) {
3440 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3441 exit(1);
3442 }
3443 opts = qemu_opts_parse_noisily(olist, optarg, true);
3444 if (!opts) {
3445 exit(1);
3446 }
3447 break;
3448 case QEMU_OPTION_virtfs: {
3449 QemuOpts *fsdev;
3450 QemuOpts *device;
3451 const char *writeout, *sock_fd, *socket;
3452
3453 olist = qemu_find_opts("virtfs");
3454 if (!olist) {
3455 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3456 exit(1);
3457 }
3458 opts = qemu_opts_parse_noisily(olist, optarg, true);
3459 if (!opts) {
3460 exit(1);
3461 }
3462
3463 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3464 qemu_opt_get(opts, "mount_tag") == NULL) {
3465 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3466 exit(1);
3467 }
3468 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3469 qemu_opt_get(opts, "mount_tag"),
3470 1, NULL);
3471 if (!fsdev) {
3472 fprintf(stderr, "duplicate fsdev id: %s\n",
3473 qemu_opt_get(opts, "mount_tag"));
3474 exit(1);
3475 }
3476
3477 writeout = qemu_opt_get(opts, "writeout");
3478 if (writeout) {
3479 #ifdef CONFIG_SYNC_FILE_RANGE
3480 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3481 #else
3482 fprintf(stderr, "writeout=immediate not supported on "
3483 "this platform\n");
3484 exit(1);
3485 #endif
3486 }
3487 qemu_opt_set(fsdev, "fsdriver",
3488 qemu_opt_get(opts, "fsdriver"), &error_abort);
3489 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3490 &error_abort);
3491 qemu_opt_set(fsdev, "security_model",
3492 qemu_opt_get(opts, "security_model"),
3493 &error_abort);
3494 socket = qemu_opt_get(opts, "socket");
3495 if (socket) {
3496 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3497 }
3498 sock_fd = qemu_opt_get(opts, "sock_fd");
3499 if (sock_fd) {
3500 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3501 }
3502
3503 qemu_opt_set_bool(fsdev, "readonly",
3504 qemu_opt_get_bool(opts, "readonly", 0),
3505 &error_abort);
3506 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3507 &error_abort);
3508 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3509 qemu_opt_set(device, "fsdev",
3510 qemu_opt_get(opts, "mount_tag"), &error_abort);
3511 qemu_opt_set(device, "mount_tag",
3512 qemu_opt_get(opts, "mount_tag"), &error_abort);
3513 break;
3514 }
3515 case QEMU_OPTION_virtfs_synth: {
3516 QemuOpts *fsdev;
3517 QemuOpts *device;
3518
3519 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3520 1, NULL);
3521 if (!fsdev) {
3522 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3523 exit(1);
3524 }
3525 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3526
3527 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3528 &error_abort);
3529 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3530 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3531 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3532 break;
3533 }
3534 case QEMU_OPTION_serial:
3535 add_device_config(DEV_SERIAL, optarg);
3536 default_serial = 0;
3537 if (strncmp(optarg, "mon:", 4) == 0) {
3538 default_monitor = 0;
3539 }
3540 break;
3541 case QEMU_OPTION_watchdog:
3542 if (watchdog) {
3543 fprintf(stderr,
3544 "qemu: only one watchdog option may be given\n");
3545 return 1;
3546 }
3547 watchdog = optarg;
3548 break;
3549 case QEMU_OPTION_watchdog_action:
3550 if (select_watchdog_action(optarg) == -1) {
3551 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3552 exit(1);
3553 }
3554 break;
3555 case QEMU_OPTION_virtiocon:
3556 add_device_config(DEV_VIRTCON, optarg);
3557 default_virtcon = 0;
3558 if (strncmp(optarg, "mon:", 4) == 0) {
3559 default_monitor = 0;
3560 }
3561 break;
3562 case QEMU_OPTION_parallel:
3563 add_device_config(DEV_PARALLEL, optarg);
3564 default_parallel = 0;
3565 if (strncmp(optarg, "mon:", 4) == 0) {
3566 default_monitor = 0;
3567 }
3568 break;
3569 case QEMU_OPTION_debugcon:
3570 add_device_config(DEV_DEBUGCON, optarg);
3571 break;
3572 case QEMU_OPTION_loadvm:
3573 loadvm = optarg;
3574 break;
3575 case QEMU_OPTION_full_screen:
3576 full_screen = 1;
3577 break;
3578 case QEMU_OPTION_no_frame:
3579 no_frame = 1;
3580 break;
3581 case QEMU_OPTION_alt_grab:
3582 alt_grab = 1;
3583 break;
3584 case QEMU_OPTION_ctrl_grab:
3585 ctrl_grab = 1;
3586 break;
3587 case QEMU_OPTION_no_quit:
3588 no_quit = 1;
3589 break;
3590 case QEMU_OPTION_sdl:
3591 #ifdef CONFIG_SDL
3592 display_type = DT_SDL;
3593 break;
3594 #else
3595 fprintf(stderr, "SDL support is disabled\n");
3596 exit(1);
3597 #endif
3598 case QEMU_OPTION_pidfile:
3599 pid_file = optarg;
3600 break;
3601 case QEMU_OPTION_win2k_hack:
3602 win2k_install_hack = 1;
3603 break;
3604 case QEMU_OPTION_rtc_td_hack: {
3605 static GlobalProperty slew_lost_ticks[] = {
3606 {
3607 .driver = "mc146818rtc",
3608 .property = "lost_tick_policy",
3609 .value = "slew",
3610 },
3611 { /* end of list */ }
3612 };
3613
3614 qdev_prop_register_global_list(slew_lost_ticks);
3615 break;
3616 }
3617 case QEMU_OPTION_acpitable:
3618 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3619 optarg, true);
3620 if (!opts) {
3621 exit(1);
3622 }
3623 do_acpitable_option(opts);
3624 break;
3625 case QEMU_OPTION_smbios:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3627 optarg, false);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 do_smbios_option(opts);
3632 break;
3633 case QEMU_OPTION_fwcfg:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3635 optarg, true);
3636 if (opts == NULL) {
3637 exit(1);
3638 }
3639 break;
3640 case QEMU_OPTION_enable_kvm:
3641 olist = qemu_find_opts("machine");
3642 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3643 break;
3644 case QEMU_OPTION_M:
3645 case QEMU_OPTION_machine:
3646 olist = qemu_find_opts("machine");
3647 opts = qemu_opts_parse_noisily(olist, optarg, true);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 break;
3652 case QEMU_OPTION_no_kvm:
3653 olist = qemu_find_opts("machine");
3654 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3655 break;
3656 case QEMU_OPTION_no_kvm_pit: {
3657 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3658 "separately.\n");
3659 break;
3660 }
3661 case QEMU_OPTION_no_kvm_pit_reinjection: {
3662 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3663 {
3664 .driver = "kvm-pit",
3665 .property = "lost_tick_policy",
3666 .value = "discard",
3667 },
3668 { /* end of list */ }
3669 };
3670
3671 fprintf(stderr, "Warning: option deprecated, use "
3672 "lost_tick_policy property of kvm-pit instead.\n");
3673 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3674 break;
3675 }
3676 case QEMU_OPTION_usb:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "usb=on", false);
3679 break;
3680 case QEMU_OPTION_usbdevice:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse_noisily(olist, "usb=on", false);
3683 add_device_config(DEV_USB, optarg);
3684 break;
3685 case QEMU_OPTION_device:
3686 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3687 optarg, true)) {
3688 exit(1);
3689 }
3690 break;
3691 case QEMU_OPTION_smp:
3692 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3693 optarg, true)) {
3694 exit(1);
3695 }
3696 break;
3697 case QEMU_OPTION_vnc:
3698 {
3699 #ifdef CONFIG_VNC
3700 Error *local_err = NULL;
3701
3702 if (vnc_parse(optarg, &local_err) == NULL) {
3703 error_report_err(local_err);
3704 exit(1);
3705 }
3706 #else
3707 fprintf(stderr, "VNC support is disabled\n");
3708 exit(1);
3709 #endif
3710 break;
3711 }
3712 case QEMU_OPTION_no_acpi:
3713 acpi_enabled = 0;
3714 break;
3715 case QEMU_OPTION_no_hpet:
3716 no_hpet = 1;
3717 break;
3718 case QEMU_OPTION_balloon:
3719 if (balloon_parse(optarg) < 0) {
3720 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_no_reboot:
3725 no_reboot = 1;
3726 break;
3727 case QEMU_OPTION_no_shutdown:
3728 no_shutdown = 1;
3729 break;
3730 case QEMU_OPTION_show_cursor:
3731 cursor_hide = 0;
3732 break;
3733 case QEMU_OPTION_uuid:
3734 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3735 fprintf(stderr, "Fail to parse UUID string."
3736 " Wrong format.\n");
3737 exit(1);
3738 }
3739 qemu_uuid_set = true;
3740 break;
3741 case QEMU_OPTION_option_rom:
3742 if (nb_option_roms >= MAX_OPTION_ROMS) {
3743 fprintf(stderr, "Too many option ROMs\n");
3744 exit(1);
3745 }
3746 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3747 optarg, true);
3748 if (!opts) {
3749 exit(1);
3750 }
3751 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3752 option_rom[nb_option_roms].bootindex =
3753 qemu_opt_get_number(opts, "bootindex", -1);
3754 if (!option_rom[nb_option_roms].name) {
3755 fprintf(stderr, "Option ROM file is not specified\n");
3756 exit(1);
3757 }
3758 nb_option_roms++;
3759 break;
3760 case QEMU_OPTION_semihosting:
3761 semihosting.enabled = true;
3762 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3763 break;
3764 case QEMU_OPTION_semihosting_config:
3765 semihosting.enabled = true;
3766 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3767 optarg, false);
3768 if (opts != NULL) {
3769 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3770 true);
3771 const char *target = qemu_opt_get(opts, "target");
3772 if (target != NULL) {
3773 if (strcmp("native", target) == 0) {
3774 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3775 } else if (strcmp("gdb", target) == 0) {
3776 semihosting.target = SEMIHOSTING_TARGET_GDB;
3777 } else if (strcmp("auto", target) == 0) {
3778 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3779 } else {
3780 fprintf(stderr, "Unsupported semihosting-config"
3781 " %s\n",
3782 optarg);
3783 exit(1);
3784 }
3785 } else {
3786 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3787 }
3788 /* Set semihosting argument count and vector */
3789 qemu_opt_foreach(opts, add_semihosting_arg,
3790 &semihosting, NULL);
3791 } else {
3792 fprintf(stderr, "Unsupported semihosting-config %s\n",
3793 optarg);
3794 exit(1);
3795 }
3796 break;
3797 case QEMU_OPTION_tdf:
3798 fprintf(stderr, "Warning: user space PIT time drift fix "
3799 "is no longer supported.\n");
3800 break;
3801 case QEMU_OPTION_name:
3802 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3803 optarg, true);
3804 if (!opts) {
3805 exit(1);
3806 }
3807 break;
3808 case QEMU_OPTION_prom_env:
3809 if (nb_prom_envs >= MAX_PROM_ENVS) {
3810 fprintf(stderr, "Too many prom variables\n");
3811 exit(1);
3812 }
3813 prom_envs[nb_prom_envs] = optarg;
3814 nb_prom_envs++;
3815 break;
3816 case QEMU_OPTION_old_param:
3817 old_param = 1;
3818 break;
3819 case QEMU_OPTION_clock:
3820 /* Clock options no longer exist. Keep this option for
3821 * backward compatibility.
3822 */
3823 break;
3824 case QEMU_OPTION_startdate:
3825 configure_rtc_date_offset(optarg, 1);
3826 break;
3827 case QEMU_OPTION_rtc:
3828 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3829 false);
3830 if (!opts) {
3831 exit(1);
3832 }
3833 configure_rtc(opts);
3834 break;
3835 case QEMU_OPTION_tb_size:
3836 tcg_tb_size = strtol(optarg, NULL, 0);
3837 if (tcg_tb_size < 0) {
3838 tcg_tb_size = 0;
3839 }
3840 break;
3841 case QEMU_OPTION_icount:
3842 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3843 optarg, true);
3844 if (!icount_opts) {
3845 exit(1);
3846 }
3847 break;
3848 case QEMU_OPTION_incoming:
3849 if (!incoming) {
3850 runstate_set(RUN_STATE_INMIGRATE);
3851 }
3852 incoming = optarg;
3853 break;
3854 case QEMU_OPTION_nodefaults:
3855 has_defaults = 0;
3856 break;
3857 case QEMU_OPTION_xen_domid:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt->name);
3860 exit(1);
3861 }
3862 xen_domid = atoi(optarg);
3863 break;
3864 case QEMU_OPTION_xen_create:
3865 if (!(xen_available())) {
3866 printf("Option %s not supported for this target\n", popt->name);
3867 exit(1);
3868 }
3869 xen_mode = XEN_CREATE;
3870 break;
3871 case QEMU_OPTION_xen_attach:
3872 if (!(xen_available())) {
3873 printf("Option %s not supported for this target\n", popt->name);
3874 exit(1);
3875 }
3876 xen_mode = XEN_ATTACH;
3877 break;
3878 case QEMU_OPTION_trace:
3879 {
3880 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3881 optarg, false);
3882 if (!opts) {
3883 exit(1);
3884 }
3885 trace_events = qemu_opt_get(opts, "events");
3886 trace_file = qemu_opt_get(opts, "file");
3887 break;
3888 }
3889 case QEMU_OPTION_readconfig:
3890 {
3891 int ret = qemu_read_config_file(optarg);
3892 if (ret < 0) {
3893 fprintf(stderr, "read config %s: %s\n", optarg,
3894 strerror(-ret));
3895 exit(1);
3896 }
3897 break;
3898 }
3899 case QEMU_OPTION_spice:
3900 olist = qemu_find_opts("spice");
3901 if (!olist) {
3902 fprintf(stderr, "spice is not supported by this qemu build.\n");
3903 exit(1);
3904 }
3905 opts = qemu_opts_parse_noisily(olist, optarg, false);
3906 if (!opts) {
3907 exit(1);
3908 }
3909 display_remote++;
3910 break;
3911 case QEMU_OPTION_writeconfig:
3912 {
3913 FILE *fp;
3914 if (strcmp(optarg, "-") == 0) {
3915 fp = stdout;
3916 } else {
3917 fp = fopen(optarg, "w");
3918 if (fp == NULL) {
3919 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3920 exit(1);
3921 }
3922 }
3923 qemu_config_write(fp);
3924 if (fp != stdout) {
3925 fclose(fp);
3926 }
3927 break;
3928 }
3929 case QEMU_OPTION_qtest:
3930 qtest_chrdev = optarg;
3931 break;
3932 case QEMU_OPTION_qtest_log:
3933 qtest_log = optarg;
3934 break;
3935 case QEMU_OPTION_sandbox:
3936 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3937 optarg, true);
3938 if (!opts) {
3939 exit(1);
3940 }
3941 break;
3942 case QEMU_OPTION_add_fd:
3943 #ifndef _WIN32
3944 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3945 optarg, false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 #else
3950 error_report("File descriptor passing is disabled on this "
3951 "platform");
3952 exit(1);
3953 #endif
3954 break;
3955 case QEMU_OPTION_object:
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3957 optarg, true);
3958 if (!opts) {
3959 exit(1);
3960 }
3961 break;
3962 case QEMU_OPTION_realtime:
3963 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3964 optarg, false);
3965 if (!opts) {
3966 exit(1);
3967 }
3968 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3969 break;
3970 case QEMU_OPTION_msg:
3971 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3972 false);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 configure_msg(opts);
3977 break;
3978 case QEMU_OPTION_dump_vmstate:
3979 if (vmstate_dump_file) {
3980 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3981 "option may be given\n");
3982 exit(1);
3983 }
3984 vmstate_dump_file = fopen(optarg, "w");
3985 if (vmstate_dump_file == NULL) {
3986 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3987 exit(1);
3988 }
3989 break;
3990 default:
3991 os_parse_cmd_args(popt->index, optarg);
3992 }
3993 }
3994 }
3995
3996 opts = qemu_get_machine_opts();
3997 optarg = qemu_opt_get(opts, "type");
3998 if (optarg) {
3999 machine_class = machine_parse(optarg);
4000 }
4001
4002 if (machine_class == NULL) {
4003 fprintf(stderr, "No machine specified, and there is no default.\n"
4004 "Use -machine help to list supported machines!\n");
4005 exit(1);
4006 }
4007
4008 set_memory_options(&ram_slots, &maxram_size, machine_class);
4009
4010 loc_set_none();
4011
4012 os_daemonize();
4013
4014 if (qemu_init_main_loop(&main_loop_err)) {
4015 error_report_err(main_loop_err);
4016 exit(1);
4017 }
4018
4019 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4020 parse_sandbox, NULL, NULL)) {
4021 exit(1);
4022 }
4023
4024 if (qemu_opts_foreach(qemu_find_opts("name"),
4025 parse_name, NULL, NULL)) {
4026 exit(1);
4027 }
4028
4029 #ifndef _WIN32
4030 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4031 parse_add_fd, NULL, NULL)) {
4032 exit(1);
4033 }
4034
4035 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4036 cleanup_add_fd, NULL, NULL)) {
4037 exit(1);
4038 }
4039 #endif
4040
4041 current_machine = MACHINE(object_new(object_class_get_name(
4042 OBJECT_CLASS(machine_class))));
4043 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4044 exit(0);
4045 }
4046 object_property_add_child(object_get_root(), "machine",
4047 OBJECT(current_machine), &error_abort);
4048 cpu_exec_init_all();
4049
4050 if (machine_class->hw_version) {
4051 qemu_set_version(machine_class->hw_version);
4052 }
4053
4054 /* Init CPU def lists, based on config
4055 * - Must be called after all the qemu_read_config_file() calls
4056 * - Must be called before list_cpus()
4057 * - Must be called before machine->init()
4058 */
4059 cpudef_init();
4060
4061 if (cpu_model && is_help_option(cpu_model)) {
4062 list_cpus(stdout, &fprintf, cpu_model);
4063 exit(0);
4064 }
4065
4066 /* Open the logfile at this point and set the log mask if necessary.
4067 */
4068 if (log_file) {
4069 qemu_set_log_filename(log_file);
4070 }
4071
4072 if (log_mask) {
4073 int mask;
4074 mask = qemu_str_to_log_mask(log_mask);
4075 if (!mask) {
4076 qemu_print_log_usage(stdout);
4077 exit(1);
4078 }
4079 qemu_set_log(mask);
4080 }
4081
4082 if (!is_daemonized()) {
4083 if (!trace_init_backends(trace_events, trace_file)) {
4084 exit(1);
4085 }
4086 }
4087
4088 /* If no data_dir is specified then try to find it relative to the
4089 executable path. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx] = os_find_datadir();
4092 if (data_dir[data_dir_idx] != NULL) {
4093 data_dir_idx++;
4094 }
4095 }
4096 /* If all else fails use the install path specified when building. */
4097 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4098 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4099 }
4100
4101 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4102
4103 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4104 if (max_cpus > machine_class->max_cpus) {
4105 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4106 "supported by machine `%s' (%d)\n", max_cpus,
4107 machine_class->name, machine_class->max_cpus);
4108 exit(1);
4109 }
4110
4111 /*
4112 * Get the default machine options from the machine if it is not already
4113 * specified either by the configuration file or by the command line.
4114 */
4115 if (machine_class->default_machine_opts) {
4116 qemu_opts_set_defaults(qemu_find_opts("machine"),
4117 machine_class->default_machine_opts, 0);
4118 }
4119
4120 qemu_opts_foreach(qemu_find_opts("device"),
4121 default_driver_check, NULL, NULL);
4122 qemu_opts_foreach(qemu_find_opts("global"),
4123 default_driver_check, NULL, NULL);
4124
4125 if (!vga_model && !default_vga) {
4126 vga_interface_type = VGA_DEVICE;
4127 }
4128 if (!has_defaults || machine_class->no_serial) {
4129 default_serial = 0;
4130 }
4131 if (!has_defaults || machine_class->no_parallel) {
4132 default_parallel = 0;
4133 }
4134 if (!has_defaults || !machine_class->use_virtcon) {
4135 default_virtcon = 0;
4136 }
4137 if (!has_defaults || !machine_class->use_sclp) {
4138 default_sclp = 0;
4139 }
4140 if (!has_defaults || machine_class->no_floppy) {
4141 default_floppy = 0;
4142 }
4143 if (!has_defaults || machine_class->no_cdrom) {
4144 default_cdrom = 0;
4145 }
4146 if (!has_defaults || machine_class->no_sdcard) {
4147 default_sdcard = 0;
4148 }
4149 if (!has_defaults) {
4150 default_monitor = 0;
4151 default_net = 0;
4152 default_vga = 0;
4153 }
4154
4155 if (is_daemonized()) {
4156 /* According to documentation and historically, -nographic redirects
4157 * serial port, parallel port and monitor to stdio, which does not work
4158 * with -daemonize. We can redirect these to null instead, but since
4159 * -nographic is legacy, let's just error out.
4160 * We disallow -nographic only if all other ports are not redirected
4161 * explicitly, to not break existing legacy setups which uses
4162 * -nographic _and_ redirects all ports explicitly - this is valid
4163 * usage, -nographic is just a no-op in this case.
4164 */
4165 if (display_type == DT_NOGRAPHIC
4166 && (default_parallel || default_serial
4167 || default_monitor || default_virtcon)) {
4168 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4169 exit(1);
4170 }
4171 #ifdef CONFIG_CURSES
4172 if (display_type == DT_CURSES) {
4173 fprintf(stderr, "curses display can not be used with -daemonize\n");
4174 exit(1);
4175 }
4176 #endif
4177 }
4178
4179 if (display_type == DT_NOGRAPHIC) {
4180 if (default_parallel)
4181 add_device_config(DEV_PARALLEL, "null");
4182 if (default_serial && default_monitor) {
4183 add_device_config(DEV_SERIAL, "mon:stdio");
4184 } else if (default_virtcon && default_monitor) {
4185 add_device_config(DEV_VIRTCON, "mon:stdio");
4186 } else if (default_sclp && default_monitor) {
4187 add_device_config(DEV_SCLP, "mon:stdio");
4188 } else {
4189 if (default_serial)
4190 add_device_config(DEV_SERIAL, "stdio");
4191 if (default_virtcon)
4192 add_device_config(DEV_VIRTCON, "stdio");
4193 if (default_sclp) {
4194 add_device_config(DEV_SCLP, "stdio");
4195 }
4196 if (default_monitor)
4197 monitor_parse("stdio", "readline", false);
4198 }
4199 } else {
4200 if (default_serial)
4201 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4202 if (default_parallel)
4203 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4204 if (default_monitor)
4205 monitor_parse("vc:80Cx24C", "readline", false);
4206 if (default_virtcon)
4207 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4208 if (default_sclp) {
4209 add_device_config(DEV_SCLP, "vc:80Cx24C");
4210 }
4211 }
4212
4213 #if defined(CONFIG_VNC)
4214 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4215 display_remote++;
4216 }
4217 #endif
4218 if (display_type == DT_DEFAULT && !display_remote) {
4219 #if defined(CONFIG_GTK)
4220 display_type = DT_GTK;
4221 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4222 display_type = DT_SDL;
4223 #elif defined(CONFIG_VNC)
4224 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4225 show_vnc_port = 1;
4226 #else
4227 display_type = DT_NONE;
4228 #endif
4229 }
4230
4231 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4232 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4233 "for SDL, ignoring option\n");
4234 }
4235 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4236 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4237 "ignoring option\n");
4238 }
4239
4240 #if defined(CONFIG_GTK)
4241 if (display_type == DT_GTK) {
4242 early_gtk_display_init(request_opengl);
4243 }
4244 #endif
4245 #if defined(CONFIG_SDL)
4246 if (display_type == DT_SDL) {
4247 sdl_display_early_init(request_opengl);
4248 }
4249 #endif
4250 if (request_opengl == 1 && display_opengl == 0) {
4251 #if defined(CONFIG_OPENGL)
4252 fprintf(stderr, "OpenGL is not supported by the display.\n");
4253 #else
4254 fprintf(stderr, "QEMU was built without opengl support.\n");
4255 #endif
4256 exit(1);
4257 }
4258
4259 socket_init();
4260
4261 if (qemu_opts_foreach(qemu_find_opts("object"),
4262 object_create,
4263 object_create_initial, NULL)) {
4264 exit(1);
4265 }
4266
4267 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4268 chardev_init_func, NULL, NULL)) {
4269 exit(1);
4270 }
4271
4272 #ifdef CONFIG_VIRTFS
4273 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4274 fsdev_init_func, NULL, NULL)) {
4275 exit(1);
4276 }
4277 #endif
4278
4279 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4280 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4281 exit(1);
4282 }
4283
4284 if (qemu_opts_foreach(qemu_find_opts("device"),
4285 device_help_func, NULL, NULL)) {
4286 exit(0);
4287 }
4288
4289 if (qemu_opts_foreach(qemu_find_opts("object"),
4290 object_create,
4291 object_create_delayed, NULL)) {
4292 exit(1);
4293 }
4294
4295 machine_opts = qemu_get_machine_opts();
4296 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4297 NULL)) {
4298 object_unref(OBJECT(current_machine));
4299 exit(1);
4300 }
4301
4302 configure_accelerator(current_machine);
4303
4304 if (qtest_chrdev) {
4305 Error *local_err = NULL;
4306 qtest_init(qtest_chrdev, qtest_log, &local_err);
4307 if (local_err) {
4308 error_report_err(local_err);
4309 exit(1);
4310 }
4311 }
4312
4313 machine_opts = qemu_get_machine_opts();
4314 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4315 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4316 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4317 bios_name = qemu_opt_get(machine_opts, "firmware");
4318
4319 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4320 if (opts) {
4321 Error *local_err = NULL;
4322
4323 boot_order = qemu_opt_get(opts, "order");
4324 if (boot_order) {
4325 validate_bootdevices(boot_order, &local_err);
4326 if (local_err) {
4327 error_report_err(local_err);
4328 exit(1);
4329 }
4330 }
4331
4332 boot_once = qemu_opt_get(opts, "once");
4333 if (boot_once) {
4334 validate_bootdevices(boot_once, &local_err);
4335 if (local_err) {
4336 error_report_err(local_err);
4337 exit(1);
4338 }
4339 }
4340
4341 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4342 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4343 }
4344
4345 if (!boot_order) {
4346 boot_order = machine_class->default_boot_order;
4347 }
4348
4349 if (!kernel_cmdline) {
4350 kernel_cmdline = "";
4351 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4352 }
4353
4354 linux_boot = (kernel_filename != NULL);
4355
4356 if (!linux_boot && *kernel_cmdline != '\0') {
4357 fprintf(stderr, "-append only allowed with -kernel option\n");
4358 exit(1);
4359 }
4360
4361 if (!linux_boot && initrd_filename != NULL) {
4362 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4363 exit(1);
4364 }
4365
4366 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4367 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4368 exit(1);
4369 }
4370
4371 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4372 /* fall back to the -kernel/-append */
4373 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4374 }
4375
4376 os_set_line_buffering();
4377
4378 #ifdef CONFIG_SPICE
4379 /* spice needs the timers to be initialized by this point */
4380 qemu_spice_init();
4381 #endif
4382
4383 cpu_ticks_init();
4384 if (icount_opts) {
4385 if (kvm_enabled() || xen_enabled()) {
4386 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4387 exit(1);
4388 }
4389 configure_icount(icount_opts, &error_abort);
4390 qemu_opts_del(icount_opts);
4391 }
4392
4393 /* clean up network at qemu process termination */
4394 atexit(&net_cleanup);
4395
4396 if (net_init_clients() < 0) {
4397 exit(1);
4398 }
4399
4400 #ifdef CONFIG_TPM
4401 if (tpm_init() < 0) {
4402 exit(1);
4403 }
4404 #endif
4405
4406 /* init the bluetooth world */
4407 if (foreach_device_config(DEV_BT, bt_parse))
4408 exit(1);
4409
4410 if (!xen_enabled()) {
4411 /* On 32-bit hosts, QEMU is limited by virtual address space */
4412 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4413 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4414 exit(1);
4415 }
4416 }
4417
4418 blk_mig_init();
4419 ram_mig_init();
4420
4421 /* If the currently selected machine wishes to override the units-per-bus
4422 * property of its default HBA interface type, do so now. */
4423 if (machine_class->units_per_default_bus) {
4424 override_max_devs(machine_class->block_default_type,
4425 machine_class->units_per_default_bus);
4426 }
4427
4428 /* open the virtual block devices */
4429 if (snapshot)
4430 qemu_opts_foreach(qemu_find_opts("drive"),
4431 drive_enable_snapshot, NULL, NULL);
4432 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4433 &machine_class->block_default_type, NULL)) {
4434 exit(1);
4435 }
4436
4437 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4438 CDROM_OPTS);
4439 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4440 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4441
4442 parse_numa_opts(machine_class);
4443
4444 if (qemu_opts_foreach(qemu_find_opts("mon"),
4445 mon_init_func, NULL, NULL)) {
4446 exit(1);
4447 }
4448
4449 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4450 exit(1);
4451 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4452 exit(1);
4453 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4454 exit(1);
4455 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4456 exit(1);
4457 }
4458 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4459 exit(1);
4460
4461 /* If no default VGA is requested, the default is "none". */
4462 if (default_vga) {
4463 if (machine_class->default_display) {
4464 vga_model = machine_class->default_display;
4465 } else if (cirrus_vga_available()) {
4466 vga_model = "cirrus";
4467 } else if (vga_available()) {
4468 vga_model = "std";
4469 }
4470 }
4471 if (vga_model) {
4472 select_vgahw(vga_model);
4473 }
4474
4475 if (watchdog) {
4476 i = select_watchdog(watchdog);
4477 if (i > 0)
4478 exit (i == 1 ? 1 : 0);
4479 }
4480
4481 if (machine_class->compat_props) {
4482 qdev_prop_register_global_list(machine_class->compat_props);
4483 }
4484 qemu_add_globals();
4485
4486 qdev_machine_init();
4487
4488 current_machine->ram_size = ram_size;
4489 current_machine->maxram_size = maxram_size;
4490 current_machine->ram_slots = ram_slots;
4491 current_machine->boot_order = boot_order;
4492 current_machine->cpu_model = cpu_model;
4493
4494 machine_class->init(current_machine);
4495
4496 realtime_init();
4497
4498 audio_init();
4499
4500 cpu_synchronize_all_post_init();
4501
4502 numa_post_machine_init();
4503
4504 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4505 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4506 exit(1);
4507 }
4508
4509 /* init USB devices */
4510 if (usb_enabled()) {
4511 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4512 exit(1);
4513 }
4514
4515 /* Check if IGD GFX passthrough. */
4516 igd_gfx_passthru();
4517
4518 /* init generic devices */
4519 if (qemu_opts_foreach(qemu_find_opts("device"),
4520 device_init_func, NULL, NULL)) {
4521 exit(1);
4522 }
4523
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4526
4527 net_check_clients();
4528
4529 if (boot_once) {
4530 Error *local_err = NULL;
4531 qemu_boot_set(boot_once, &local_err);
4532 if (local_err) {
4533 error_report("%s", error_get_pretty(local_err));
4534 exit(1);
4535 }
4536 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4537 }
4538
4539 ds = init_displaystate();
4540
4541 /* init local displays */
4542 switch (display_type) {
4543 case DT_NOGRAPHIC:
4544 (void)ds; /* avoid warning if no display is configured */
4545 break;
4546 #if defined(CONFIG_CURSES)
4547 case DT_CURSES:
4548 curses_display_init(ds, full_screen);
4549 break;
4550 #endif
4551 #if defined(CONFIG_SDL)
4552 case DT_SDL:
4553 sdl_display_init(ds, full_screen, no_frame);
4554 break;
4555 #elif defined(CONFIG_COCOA)
4556 case DT_SDL:
4557 cocoa_display_init(ds, full_screen);
4558 break;
4559 #endif
4560 #if defined(CONFIG_GTK)
4561 case DT_GTK:
4562 gtk_display_init(ds, full_screen, grab_on_hover);
4563 break;
4564 #endif
4565 default:
4566 break;
4567 }
4568
4569 /* must be after terminal init, SDL library changes signal handlers */
4570 os_setup_signal_handling();
4571
4572 #ifdef CONFIG_VNC
4573 /* init remote displays */
4574 qemu_opts_foreach(qemu_find_opts("vnc"),
4575 vnc_init_func, NULL, NULL);
4576 if (show_vnc_port) {
4577 char *ret = vnc_display_local_addr("default");
4578 printf("VNC server running on `%s'\n", ret);
4579 g_free(ret);
4580 }
4581 #endif
4582 #ifdef CONFIG_SPICE
4583 if (using_spice) {
4584 qemu_spice_display_init();
4585 }
4586 #endif
4587
4588 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4589 exit(1);
4590 }
4591
4592 qdev_machine_creation_done();
4593
4594 /* TODO: once all bus devices are qdevified, this should be done
4595 * when bus is created by qdev.c */
4596 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4597 qemu_run_machine_init_done_notifiers();
4598
4599 if (rom_check_and_register_reset() != 0) {
4600 fprintf(stderr, "rom check and register reset failed\n");
4601 exit(1);
4602 }
4603
4604 qemu_system_reset(VMRESET_SILENT);
4605 register_global_state();
4606 if (loadvm) {
4607 if (load_vmstate(loadvm) < 0) {
4608 autostart = 0;
4609 }
4610 }
4611
4612 qdev_prop_check_globals();
4613 if (vmstate_dump_file) {
4614 /* dump and exit */
4615 dump_vmstate_json_to_file(vmstate_dump_file);
4616 return 0;
4617 }
4618
4619 if (incoming) {
4620 Error *local_err = NULL;
4621 qemu_start_incoming_migration(incoming, &local_err);
4622 if (local_err) {
4623 error_report("-incoming %s: %s", incoming,
4624 error_get_pretty(local_err));
4625 error_free(local_err);
4626 exit(1);
4627 }
4628 } else if (autostart) {
4629 vm_start();
4630 }
4631
4632 os_setup_post();
4633
4634 if (is_daemonized()) {
4635 if (!trace_init_backends(trace_events, trace_file)) {
4636 exit(1);
4637 }
4638 }
4639
4640 main_loop();
4641 bdrv_close_all();
4642 pause_all_vcpus();
4643 res_free();
4644 #ifdef CONFIG_TPM
4645 tpm_cleanup();
4646 #endif
4647
4648 return 0;
4649 }
Ray Wang's QEMU Repository