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enable multi-function hot-add
[qemu/ar7.git] / vl.c
blobf5f7c3f7c455f43448f1b06ba78ba23603bc10e7
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 .name = "string",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets content of the blob to be inserted from a string",
519 },
520 { /* end of list */ }
521 },
522 };
523
524 /**
525 * Get machine options
526 *
527 * Returns: machine options (never null).
528 */
529 QemuOpts *qemu_get_machine_opts(void)
530 {
531 return qemu_find_opts_singleton("machine");
532 }
533
534 const char *qemu_get_vm_name(void)
535 {
536 return qemu_name;
537 }
538
539 static void res_free(void)
540 {
541 g_free(boot_splash_filedata);
542 boot_splash_filedata = NULL;
543 }
544
545 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
546 {
547 const char *driver = qemu_opt_get(opts, "driver");
548 int i;
549
550 if (!driver)
551 return 0;
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
554 continue;
555 *(default_list[i].flag) = 0;
556 }
557 return 0;
558 }
559
560 /***********************************************************/
561 /* QEMU state */
562
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
564
565 /* We use RUN_STATE_MAX but any invalid value will do */
566 static RunState vmstop_requested = RUN_STATE_MAX;
567 static QemuMutex vmstop_lock;
568
569 typedef struct {
570 RunState from;
571 RunState to;
572 } RunStateTransition;
573
574 static const RunStateTransition runstate_transitions_def[] = {
575 /* from -> to */
576 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
577 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
578
579 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
580 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
583 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
584 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
585 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
586 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
593 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
596 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
602 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
604
605 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
607
608 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
609
610 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
611 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
614 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
616 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
618 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
619 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
620
621 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
622
623 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
624 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
627 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
628 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
629 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
632 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_MAX, RUN_STATE_MAX },
638 };
639
640 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
641
642 bool runstate_check(RunState state)
643 {
644 return current_run_state == state;
645 }
646
647 bool runstate_store(char *str, size_t size)
648 {
649 const char *state = RunState_lookup[current_run_state];
650 size_t len = strlen(state) + 1;
651
652 if (len > size) {
653 return false;
654 }
655 memcpy(str, state, len);
656 return true;
657 }
658
659 static void runstate_init(void)
660 {
661 const RunStateTransition *p;
662
663 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
664 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
665 runstate_valid_transitions[p->from][p->to] = true;
666 }
667
668 qemu_mutex_init(&vmstop_lock);
669 }
670
671 /* This function will abort() on invalid state transitions */
672 void runstate_set(RunState new_state)
673 {
674 assert(new_state < RUN_STATE_MAX);
675
676 if (!runstate_valid_transitions[current_run_state][new_state]) {
677 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
678 RunState_lookup[current_run_state],
679 RunState_lookup[new_state]);
680 abort();
681 }
682 trace_runstate_set(new_state);
683 current_run_state = new_state;
684 }
685
686 int runstate_is_running(void)
687 {
688 return runstate_check(RUN_STATE_RUNNING);
689 }
690
691 bool runstate_needs_reset(void)
692 {
693 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
694 runstate_check(RUN_STATE_SHUTDOWN);
695 }
696
697 StatusInfo *qmp_query_status(Error **errp)
698 {
699 StatusInfo *info = g_malloc0(sizeof(*info));
700
701 info->running = runstate_is_running();
702 info->singlestep = singlestep;
703 info->status = current_run_state;
704
705 return info;
706 }
707
708 static bool qemu_vmstop_requested(RunState *r)
709 {
710 qemu_mutex_lock(&vmstop_lock);
711 *r = vmstop_requested;
712 vmstop_requested = RUN_STATE_MAX;
713 qemu_mutex_unlock(&vmstop_lock);
714 return *r < RUN_STATE_MAX;
715 }
716
717 void qemu_system_vmstop_request_prepare(void)
718 {
719 qemu_mutex_lock(&vmstop_lock);
720 }
721
722 void qemu_system_vmstop_request(RunState state)
723 {
724 vmstop_requested = state;
725 qemu_mutex_unlock(&vmstop_lock);
726 qemu_notify_event();
727 }
728
729 void vm_start(void)
730 {
731 RunState requested;
732
733 qemu_vmstop_requested(&requested);
734 if (runstate_is_running() && requested == RUN_STATE_MAX) {
735 return;
736 }
737
738 /* Ensure that a STOP/RESUME pair of events is emitted if a
739 * vmstop request was pending. The BLOCK_IO_ERROR event, for
740 * example, according to documentation is always followed by
741 * the STOP event.
742 */
743 if (runstate_is_running()) {
744 qapi_event_send_stop(&error_abort);
745 } else {
746 cpu_enable_ticks();
747 runstate_set(RUN_STATE_RUNNING);
748 vm_state_notify(1, RUN_STATE_RUNNING);
749 resume_all_vcpus();
750 }
751
752 qapi_event_send_resume(&error_abort);
753 }
754
755
756 /***********************************************************/
757 /* real time host monotonic timer */
758
759 static time_t qemu_time(void)
760 {
761 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
762 }
763
764 /***********************************************************/
765 /* host time/date access */
766 void qemu_get_timedate(struct tm *tm, int offset)
767 {
768 time_t ti = qemu_time();
769
770 ti += offset;
771 if (rtc_date_offset == -1) {
772 if (rtc_utc)
773 gmtime_r(&ti, tm);
774 else
775 localtime_r(&ti, tm);
776 } else {
777 ti -= rtc_date_offset;
778 gmtime_r(&ti, tm);
779 }
780 }
781
782 int qemu_timedate_diff(struct tm *tm)
783 {
784 time_t seconds;
785
786 if (rtc_date_offset == -1)
787 if (rtc_utc)
788 seconds = mktimegm(tm);
789 else {
790 struct tm tmp = *tm;
791 tmp.tm_isdst = -1; /* use timezone to figure it out */
792 seconds = mktime(&tmp);
793 }
794 else
795 seconds = mktimegm(tm) + rtc_date_offset;
796
797 return seconds - qemu_time();
798 }
799
800 static void configure_rtc_date_offset(const char *startdate, int legacy)
801 {
802 time_t rtc_start_date;
803 struct tm tm;
804
805 if (!strcmp(startdate, "now") && legacy) {
806 rtc_date_offset = -1;
807 } else {
808 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
809 &tm.tm_year,
810 &tm.tm_mon,
811 &tm.tm_mday,
812 &tm.tm_hour,
813 &tm.tm_min,
814 &tm.tm_sec) == 6) {
815 /* OK */
816 } else if (sscanf(startdate, "%d-%d-%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday) == 3) {
820 tm.tm_hour = 0;
821 tm.tm_min = 0;
822 tm.tm_sec = 0;
823 } else {
824 goto date_fail;
825 }
826 tm.tm_year -= 1900;
827 tm.tm_mon--;
828 rtc_start_date = mktimegm(&tm);
829 if (rtc_start_date == -1) {
830 date_fail:
831 fprintf(stderr, "Invalid date format. Valid formats are:\n"
832 "'2006-06-17T16:01:21' or '2006-06-17'\n");
833 exit(1);
834 }
835 rtc_date_offset = qemu_time() - rtc_start_date;
836 }
837 }
838
839 static void configure_rtc(QemuOpts *opts)
840 {
841 const char *value;
842
843 value = qemu_opt_get(opts, "base");
844 if (value) {
845 if (!strcmp(value, "utc")) {
846 rtc_utc = 1;
847 } else if (!strcmp(value, "localtime")) {
848 rtc_utc = 0;
849 } else {
850 configure_rtc_date_offset(value, 0);
851 }
852 }
853 value = qemu_opt_get(opts, "clock");
854 if (value) {
855 if (!strcmp(value, "host")) {
856 rtc_clock = QEMU_CLOCK_HOST;
857 } else if (!strcmp(value, "rt")) {
858 rtc_clock = QEMU_CLOCK_REALTIME;
859 } else if (!strcmp(value, "vm")) {
860 rtc_clock = QEMU_CLOCK_VIRTUAL;
861 } else {
862 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
863 exit(1);
864 }
865 }
866 value = qemu_opt_get(opts, "driftfix");
867 if (value) {
868 if (!strcmp(value, "slew")) {
869 static GlobalProperty slew_lost_ticks[] = {
870 {
871 .driver = "mc146818rtc",
872 .property = "lost_tick_policy",
873 .value = "slew",
874 },
875 { /* end of list */ }
876 };
877
878 qdev_prop_register_global_list(slew_lost_ticks);
879 } else if (!strcmp(value, "none")) {
880 /* discard is default */
881 } else {
882 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 exit(1);
884 }
885 }
886 }
887
888 /***********************************************************/
889 /* Bluetooth support */
890 static int nb_hcis;
891 static int cur_hci;
892 static struct HCIInfo *hci_table[MAX_NICS];
893
894 struct HCIInfo *qemu_next_hci(void)
895 {
896 if (cur_hci == nb_hcis)
897 return &null_hci;
898
899 return hci_table[cur_hci++];
900 }
901
902 static int bt_hci_parse(const char *str)
903 {
904 struct HCIInfo *hci;
905 bdaddr_t bdaddr;
906
907 if (nb_hcis >= MAX_NICS) {
908 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
909 return -1;
910 }
911
912 hci = hci_init(str);
913 if (!hci)
914 return -1;
915
916 bdaddr.b[0] = 0x52;
917 bdaddr.b[1] = 0x54;
918 bdaddr.b[2] = 0x00;
919 bdaddr.b[3] = 0x12;
920 bdaddr.b[4] = 0x34;
921 bdaddr.b[5] = 0x56 + nb_hcis;
922 hci->bdaddr_set(hci, bdaddr.b);
923
924 hci_table[nb_hcis++] = hci;
925
926 return 0;
927 }
928
929 static void bt_vhci_add(int vlan_id)
930 {
931 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
932
933 if (!vlan->slave)
934 fprintf(stderr, "qemu: warning: adding a VHCI to "
935 "an empty scatternet %i\n", vlan_id);
936
937 bt_vhci_init(bt_new_hci(vlan));
938 }
939
940 static struct bt_device_s *bt_device_add(const char *opt)
941 {
942 struct bt_scatternet_s *vlan;
943 int vlan_id = 0;
944 char *endp = strstr(opt, ",vlan=");
945 int len = (endp ? endp - opt : strlen(opt)) + 1;
946 char devname[10];
947
948 pstrcpy(devname, MIN(sizeof(devname), len), opt);
949
950 if (endp) {
951 vlan_id = strtol(endp + 6, &endp, 0);
952 if (*endp) {
953 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
954 return 0;
955 }
956 }
957
958 vlan = qemu_find_bt_vlan(vlan_id);
959
960 if (!vlan->slave)
961 fprintf(stderr, "qemu: warning: adding a slave device to "
962 "an empty scatternet %i\n", vlan_id);
963
964 if (!strcmp(devname, "keyboard"))
965 return bt_keyboard_init(vlan);
966
967 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
968 return 0;
969 }
970
971 static int bt_parse(const char *opt)
972 {
973 const char *endp, *p;
974 int vlan;
975
976 if (strstart(opt, "hci", &endp)) {
977 if (!*endp || *endp == ',') {
978 if (*endp)
979 if (!strstart(endp, ",vlan=", 0))
980 opt = endp + 1;
981
982 return bt_hci_parse(opt);
983 }
984 } else if (strstart(opt, "vhci", &endp)) {
985 if (!*endp || *endp == ',') {
986 if (*endp) {
987 if (strstart(endp, ",vlan=", &p)) {
988 vlan = strtol(p, (char **) &endp, 0);
989 if (*endp) {
990 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
991 return 1;
992 }
993 } else {
994 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
995 return 1;
996 }
997 } else
998 vlan = 0;
999
1000 bt_vhci_add(vlan);
1001 return 0;
1002 }
1003 } else if (strstart(opt, "device:", &endp))
1004 return !bt_device_add(endp);
1005
1006 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1007 return 1;
1008 }
1009
1010 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1011 {
1012 /* FIXME: change this to true for 1.3 */
1013 if (qemu_opt_get_bool(opts, "enable", false)) {
1014 #ifdef CONFIG_SECCOMP
1015 if (seccomp_start() < 0) {
1016 error_report("failed to install seccomp syscall filter "
1017 "in the kernel");
1018 return -1;
1019 }
1020 #else
1021 error_report("sandboxing request but seccomp is not compiled "
1022 "into this build");
1023 return -1;
1024 #endif
1025 }
1026
1027 return 0;
1028 }
1029
1030 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1031 {
1032 const char *proc_name;
1033
1034 if (qemu_opt_get(opts, "debug-threads")) {
1035 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1036 }
1037 qemu_name = qemu_opt_get(opts, "guest");
1038
1039 proc_name = qemu_opt_get(opts, "process");
1040 if (proc_name) {
1041 os_set_proc_name(proc_name);
1042 }
1043
1044 return 0;
1045 }
1046
1047 bool defaults_enabled(void)
1048 {
1049 return has_defaults;
1050 }
1051
1052 bool usb_enabled(void)
1053 {
1054 return machine_usb(current_machine);
1055 }
1056
1057 #ifndef _WIN32
1058 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1059 {
1060 int fd, dupfd, flags;
1061 int64_t fdset_id;
1062 const char *fd_opaque = NULL;
1063 AddfdInfo *fdinfo;
1064
1065 fd = qemu_opt_get_number(opts, "fd", -1);
1066 fdset_id = qemu_opt_get_number(opts, "set", -1);
1067 fd_opaque = qemu_opt_get(opts, "opaque");
1068
1069 if (fd < 0) {
1070 error_report("fd option is required and must be non-negative");
1071 return -1;
1072 }
1073
1074 if (fd <= STDERR_FILENO) {
1075 error_report("fd cannot be a standard I/O stream");
1076 return -1;
1077 }
1078
1079 /*
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1082 */
1083 flags = fcntl(fd, F_GETFD);
1084 if (flags == -1 || (flags & FD_CLOEXEC)) {
1085 error_report("fd is not valid or already in use");
1086 return -1;
1087 }
1088
1089 if (fdset_id < 0) {
1090 error_report("set option is required and must be non-negative");
1091 return -1;
1092 }
1093
1094 #ifdef F_DUPFD_CLOEXEC
1095 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1096 #else
1097 dupfd = dup(fd);
1098 if (dupfd != -1) {
1099 qemu_set_cloexec(dupfd);
1100 }
1101 #endif
1102 if (dupfd == -1) {
1103 error_report("Error duplicating fd: %s", strerror(errno));
1104 return -1;
1105 }
1106
1107 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1108 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1109 &error_abort);
1110 g_free(fdinfo);
1111
1112 return 0;
1113 }
1114
1115 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1116 {
1117 int fd;
1118
1119 fd = qemu_opt_get_number(opts, "fd", -1);
1120 close(fd);
1121
1122 return 0;
1123 }
1124 #endif
1125
1126 /***********************************************************/
1127 /* QEMU Block devices */
1128
1129 #define HD_OPTS "media=disk"
1130 #define CDROM_OPTS "media=cdrom"
1131 #define FD_OPTS ""
1132 #define PFLASH_OPTS ""
1133 #define MTD_OPTS ""
1134 #define SD_OPTS ""
1135
1136 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1137 {
1138 BlockInterfaceType *block_default_type = opaque;
1139
1140 return drive_new(opts, *block_default_type) == NULL;
1141 }
1142
1143 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1144 {
1145 if (qemu_opt_get(opts, "snapshot") == NULL) {
1146 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1147 }
1148 return 0;
1149 }
1150
1151 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1152 int index, const char *optstr)
1153 {
1154 QemuOpts *opts;
1155 DriveInfo *dinfo;
1156
1157 if (!enable || drive_get_by_index(type, index)) {
1158 return;
1159 }
1160
1161 opts = drive_add(type, index, NULL, optstr);
1162 if (snapshot) {
1163 drive_enable_snapshot(NULL, opts, NULL);
1164 }
1165
1166 dinfo = drive_new(opts, type);
1167 if (!dinfo) {
1168 exit(1);
1169 }
1170 dinfo->is_default = true;
1171
1172 }
1173
1174 static QemuOptsList qemu_smp_opts = {
1175 .name = "smp-opts",
1176 .implied_opt_name = "cpus",
1177 .merge_lists = true,
1178 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1179 .desc = {
1180 {
1181 .name = "cpus",
1182 .type = QEMU_OPT_NUMBER,
1183 }, {
1184 .name = "sockets",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "cores",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "threads",
1191 .type = QEMU_OPT_NUMBER,
1192 }, {
1193 .name = "maxcpus",
1194 .type = QEMU_OPT_NUMBER,
1195 },
1196 { /*End of list */ }
1197 },
1198 };
1199
1200 static void smp_parse(QemuOpts *opts)
1201 {
1202 if (opts) {
1203
1204 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1205 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1206 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1207 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1208
1209 /* compute missing values, prefer sockets over cores over threads */
1210 if (cpus == 0 || sockets == 0) {
1211 sockets = sockets > 0 ? sockets : 1;
1212 cores = cores > 0 ? cores : 1;
1213 threads = threads > 0 ? threads : 1;
1214 if (cpus == 0) {
1215 cpus = cores * threads * sockets;
1216 }
1217 } else if (cores == 0) {
1218 threads = threads > 0 ? threads : 1;
1219 cores = cpus / (sockets * threads);
1220 } else if (threads == 0) {
1221 threads = cpus / (cores * sockets);
1222 } else if (sockets * cores * threads < cpus) {
1223 fprintf(stderr, "cpu topology: error: "
1224 "sockets (%u) * cores (%u) * threads (%u) < "
1225 "smp_cpus (%u)\n",
1226 sockets, cores, threads, cpus);
1227 exit(1);
1228 }
1229
1230 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1231 if (sockets * cores * threads > max_cpus) {
1232 fprintf(stderr, "cpu topology: error: "
1233 "sockets (%u) * cores (%u) * threads (%u) > maxcpus (%u)\n",
1234 sockets, cores, threads, max_cpus);
1235 exit(1);
1236 }
1237
1238 smp_cpus = cpus;
1239 smp_cores = cores > 0 ? cores : 1;
1240 smp_threads = threads > 0 ? threads : 1;
1241
1242 }
1243
1244 if (max_cpus == 0) {
1245 max_cpus = smp_cpus;
1246 }
1247
1248 if (max_cpus > MAX_CPUMASK_BITS) {
1249 fprintf(stderr, "Unsupported number of maxcpus\n");
1250 exit(1);
1251 }
1252 if (max_cpus < smp_cpus) {
1253 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1254 exit(1);
1255 }
1256
1257 }
1258
1259 static void realtime_init(void)
1260 {
1261 if (enable_mlock) {
1262 if (os_mlock() < 0) {
1263 fprintf(stderr, "qemu: locking memory failed\n");
1264 exit(1);
1265 }
1266 }
1267 }
1268
1269
1270 static void configure_msg(QemuOpts *opts)
1271 {
1272 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1273 }
1274
1275 /***********************************************************/
1276 /* Semihosting */
1277
1278 typedef struct SemihostingConfig {
1279 bool enabled;
1280 SemihostingTarget target;
1281 const char **argv;
1282 int argc;
1283 const char *cmdline; /* concatenated argv */
1284 } SemihostingConfig;
1285
1286 static SemihostingConfig semihosting;
1287
1288 bool semihosting_enabled(void)
1289 {
1290 return semihosting.enabled;
1291 }
1292
1293 SemihostingTarget semihosting_get_target(void)
1294 {
1295 return semihosting.target;
1296 }
1297
1298 const char *semihosting_get_arg(int i)
1299 {
1300 if (i >= semihosting.argc) {
1301 return NULL;
1302 }
1303 return semihosting.argv[i];
1304 }
1305
1306 int semihosting_get_argc(void)
1307 {
1308 return semihosting.argc;
1309 }
1310
1311 const char *semihosting_get_cmdline(void)
1312 {
1313 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1314 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1315 }
1316 return semihosting.cmdline;
1317 }
1318
1319 static int add_semihosting_arg(void *opaque,
1320 const char *name, const char *val,
1321 Error **errp)
1322 {
1323 SemihostingConfig *s = opaque;
1324 if (strcmp(name, "arg") == 0) {
1325 s->argc++;
1326 /* one extra element as g_strjoinv() expects NULL-terminated array */
1327 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1328 s->argv[s->argc - 1] = val;
1329 s->argv[s->argc] = NULL;
1330 }
1331 return 0;
1332 }
1333
1334 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1335 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1336 {
1337 char *cmd_token;
1338
1339 /* argv[0] */
1340 add_semihosting_arg(&semihosting, "arg", file, NULL);
1341
1342 /* split -append and initialize argv[1..n] */
1343 cmd_token = strtok(g_strdup(cmd), " ");
1344 while (cmd_token) {
1345 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1346 cmd_token = strtok(NULL, " ");
1347 }
1348 }
1349
1350 /* Now we still need this for compatibility with XEN. */
1351 bool has_igd_gfx_passthru;
1352 static void igd_gfx_passthru(void)
1353 {
1354 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1355 }
1356
1357 /***********************************************************/
1358 /* USB devices */
1359
1360 static int usb_device_add(const char *devname)
1361 {
1362 USBDevice *dev = NULL;
1363 #ifndef CONFIG_LINUX
1364 const char *p;
1365 #endif
1366
1367 if (!usb_enabled()) {
1368 return -1;
1369 }
1370
1371 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1372 dev = usbdevice_create(devname);
1373 if (dev)
1374 goto done;
1375
1376 /* the other ones */
1377 #ifndef CONFIG_LINUX
1378 /* only the linux version is qdev-ified, usb-bsd still needs this */
1379 if (strstart(devname, "host:", &p)) {
1380 dev = usb_host_device_open(usb_bus_find(-1), p);
1381 }
1382 #endif
1383 if (!dev)
1384 return -1;
1385
1386 done:
1387 return 0;
1388 }
1389
1390 static int usb_device_del(const char *devname)
1391 {
1392 int bus_num, addr;
1393 const char *p;
1394
1395 if (strstart(devname, "host:", &p)) {
1396 return -1;
1397 }
1398
1399 if (!usb_enabled()) {
1400 return -1;
1401 }
1402
1403 p = strchr(devname, '.');
1404 if (!p)
1405 return -1;
1406 bus_num = strtoul(devname, NULL, 0);
1407 addr = strtoul(p + 1, NULL, 0);
1408
1409 return usb_device_delete_addr(bus_num, addr);
1410 }
1411
1412 static int usb_parse(const char *cmdline)
1413 {
1414 int r;
1415 r = usb_device_add(cmdline);
1416 if (r < 0) {
1417 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1418 }
1419 return r;
1420 }
1421
1422 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1423 {
1424 const char *devname = qdict_get_str(qdict, "devname");
1425 if (usb_device_add(devname) < 0) {
1426 error_report("could not add USB device '%s'", devname);
1427 }
1428 }
1429
1430 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1431 {
1432 const char *devname = qdict_get_str(qdict, "devname");
1433 if (usb_device_del(devname) < 0) {
1434 error_report("could not delete USB device '%s'", devname);
1435 }
1436 }
1437
1438 /***********************************************************/
1439 /* machine registration */
1440
1441 MachineState *current_machine;
1442
1443 static MachineClass *find_machine(const char *name)
1444 {
1445 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1446 MachineClass *mc = NULL;
1447
1448 for (el = machines; el; el = el->next) {
1449 MachineClass *temp = el->data;
1450
1451 if (!strcmp(temp->name, name)) {
1452 mc = temp;
1453 break;
1454 }
1455 if (temp->alias &&
1456 !strcmp(temp->alias, name)) {
1457 mc = temp;
1458 break;
1459 }
1460 }
1461
1462 g_slist_free(machines);
1463 return mc;
1464 }
1465
1466 MachineClass *find_default_machine(void)
1467 {
1468 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1469 MachineClass *mc = NULL;
1470
1471 for (el = machines; el; el = el->next) {
1472 MachineClass *temp = el->data;
1473
1474 if (temp->is_default) {
1475 mc = temp;
1476 break;
1477 }
1478 }
1479
1480 g_slist_free(machines);
1481 return mc;
1482 }
1483
1484 MachineInfoList *qmp_query_machines(Error **errp)
1485 {
1486 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1487 MachineInfoList *mach_list = NULL;
1488
1489 for (el = machines; el; el = el->next) {
1490 MachineClass *mc = el->data;
1491 MachineInfoList *entry;
1492 MachineInfo *info;
1493
1494 info = g_malloc0(sizeof(*info));
1495 if (mc->is_default) {
1496 info->has_is_default = true;
1497 info->is_default = true;
1498 }
1499
1500 if (mc->alias) {
1501 info->has_alias = true;
1502 info->alias = g_strdup(mc->alias);
1503 }
1504
1505 info->name = g_strdup(mc->name);
1506 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1507
1508 entry = g_malloc0(sizeof(*entry));
1509 entry->value = info;
1510 entry->next = mach_list;
1511 mach_list = entry;
1512 }
1513
1514 g_slist_free(machines);
1515 return mach_list;
1516 }
1517
1518 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1519 {
1520 ObjectProperty *prop;
1521
1522 if (!qemu_opt_has_help_opt(opts)) {
1523 return 0;
1524 }
1525
1526 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1527 if (!prop->set) {
1528 continue;
1529 }
1530
1531 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1532 prop->name, prop->type);
1533 if (prop->description) {
1534 error_printf(" (%s)\n", prop->description);
1535 } else {
1536 error_printf("\n");
1537 }
1538 }
1539
1540 return 1;
1541 }
1542
1543 /***********************************************************/
1544 /* main execution loop */
1545
1546 struct vm_change_state_entry {
1547 VMChangeStateHandler *cb;
1548 void *opaque;
1549 QLIST_ENTRY (vm_change_state_entry) entries;
1550 };
1551
1552 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1553
1554 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1555 void *opaque)
1556 {
1557 VMChangeStateEntry *e;
1558
1559 e = g_malloc0(sizeof (*e));
1560
1561 e->cb = cb;
1562 e->opaque = opaque;
1563 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1564 return e;
1565 }
1566
1567 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1568 {
1569 QLIST_REMOVE (e, entries);
1570 g_free (e);
1571 }
1572
1573 void vm_state_notify(int running, RunState state)
1574 {
1575 VMChangeStateEntry *e, *next;
1576
1577 trace_vm_state_notify(running, state);
1578
1579 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1580 e->cb(e->opaque, running, state);
1581 }
1582 }
1583
1584 /* reset/shutdown handler */
1585
1586 typedef struct QEMUResetEntry {
1587 QTAILQ_ENTRY(QEMUResetEntry) entry;
1588 QEMUResetHandler *func;
1589 void *opaque;
1590 } QEMUResetEntry;
1591
1592 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1593 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1594 static int reset_requested;
1595 static int shutdown_requested, shutdown_signal = -1;
1596 static pid_t shutdown_pid;
1597 static int powerdown_requested;
1598 static int debug_requested;
1599 static int suspend_requested;
1600 static WakeupReason wakeup_reason;
1601 static NotifierList powerdown_notifiers =
1602 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1603 static NotifierList suspend_notifiers =
1604 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1605 static NotifierList wakeup_notifiers =
1606 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1607 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1608
1609 int qemu_shutdown_requested_get(void)
1610 {
1611 return shutdown_requested;
1612 }
1613
1614 int qemu_reset_requested_get(void)
1615 {
1616 return reset_requested;
1617 }
1618
1619 static int qemu_shutdown_requested(void)
1620 {
1621 return atomic_xchg(&shutdown_requested, 0);
1622 }
1623
1624 static void qemu_kill_report(void)
1625 {
1626 if (!qtest_driver() && shutdown_signal != -1) {
1627 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1628 if (shutdown_pid == 0) {
1629 /* This happens for eg ^C at the terminal, so it's worth
1630 * avoiding printing an odd message in that case.
1631 */
1632 fputc('\n', stderr);
1633 } else {
1634 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1635 }
1636 shutdown_signal = -1;
1637 }
1638 }
1639
1640 static int qemu_reset_requested(void)
1641 {
1642 int r = reset_requested;
1643 reset_requested = 0;
1644 return r;
1645 }
1646
1647 static int qemu_suspend_requested(void)
1648 {
1649 int r = suspend_requested;
1650 suspend_requested = 0;
1651 return r;
1652 }
1653
1654 static WakeupReason qemu_wakeup_requested(void)
1655 {
1656 return wakeup_reason;
1657 }
1658
1659 static int qemu_powerdown_requested(void)
1660 {
1661 int r = powerdown_requested;
1662 powerdown_requested = 0;
1663 return r;
1664 }
1665
1666 static int qemu_debug_requested(void)
1667 {
1668 int r = debug_requested;
1669 debug_requested = 0;
1670 return r;
1671 }
1672
1673 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1674 {
1675 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1676
1677 re->func = func;
1678 re->opaque = opaque;
1679 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1680 }
1681
1682 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1683 {
1684 QEMUResetEntry *re;
1685
1686 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1687 if (re->func == func && re->opaque == opaque) {
1688 QTAILQ_REMOVE(&reset_handlers, re, entry);
1689 g_free(re);
1690 return;
1691 }
1692 }
1693 }
1694
1695 void qemu_devices_reset(void)
1696 {
1697 QEMUResetEntry *re, *nre;
1698
1699 /* reset all devices */
1700 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1701 re->func(re->opaque);
1702 }
1703 }
1704
1705 void qemu_system_reset(bool report)
1706 {
1707 MachineClass *mc;
1708
1709 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1710
1711 if (mc && mc->reset) {
1712 mc->reset();
1713 } else {
1714 qemu_devices_reset();
1715 }
1716 if (report) {
1717 qapi_event_send_reset(&error_abort);
1718 }
1719 cpu_synchronize_all_post_reset();
1720 }
1721
1722 void qemu_system_guest_panicked(void)
1723 {
1724 if (current_cpu) {
1725 current_cpu->crash_occurred = true;
1726 }
1727 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1728 vm_stop(RUN_STATE_GUEST_PANICKED);
1729 }
1730
1731 void qemu_system_reset_request(void)
1732 {
1733 if (no_reboot) {
1734 shutdown_requested = 1;
1735 } else {
1736 reset_requested = 1;
1737 }
1738 cpu_stop_current();
1739 qemu_notify_event();
1740 }
1741
1742 static void qemu_system_suspend(void)
1743 {
1744 pause_all_vcpus();
1745 notifier_list_notify(&suspend_notifiers, NULL);
1746 runstate_set(RUN_STATE_SUSPENDED);
1747 qapi_event_send_suspend(&error_abort);
1748 }
1749
1750 void qemu_system_suspend_request(void)
1751 {
1752 if (runstate_check(RUN_STATE_SUSPENDED)) {
1753 return;
1754 }
1755 suspend_requested = 1;
1756 cpu_stop_current();
1757 qemu_notify_event();
1758 }
1759
1760 void qemu_register_suspend_notifier(Notifier *notifier)
1761 {
1762 notifier_list_add(&suspend_notifiers, notifier);
1763 }
1764
1765 void qemu_system_wakeup_request(WakeupReason reason)
1766 {
1767 trace_system_wakeup_request(reason);
1768
1769 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1770 return;
1771 }
1772 if (!(wakeup_reason_mask & (1 << reason))) {
1773 return;
1774 }
1775 runstate_set(RUN_STATE_RUNNING);
1776 wakeup_reason = reason;
1777 qemu_notify_event();
1778 }
1779
1780 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1781 {
1782 if (enabled) {
1783 wakeup_reason_mask |= (1 << reason);
1784 } else {
1785 wakeup_reason_mask &= ~(1 << reason);
1786 }
1787 }
1788
1789 void qemu_register_wakeup_notifier(Notifier *notifier)
1790 {
1791 notifier_list_add(&wakeup_notifiers, notifier);
1792 }
1793
1794 void qemu_system_killed(int signal, pid_t pid)
1795 {
1796 shutdown_signal = signal;
1797 shutdown_pid = pid;
1798 no_shutdown = 0;
1799 qemu_system_shutdown_request();
1800 }
1801
1802 void qemu_system_shutdown_request(void)
1803 {
1804 trace_qemu_system_shutdown_request();
1805 shutdown_requested = 1;
1806 qemu_notify_event();
1807 }
1808
1809 static void qemu_system_powerdown(void)
1810 {
1811 qapi_event_send_powerdown(&error_abort);
1812 notifier_list_notify(&powerdown_notifiers, NULL);
1813 }
1814
1815 void qemu_system_powerdown_request(void)
1816 {
1817 trace_qemu_system_powerdown_request();
1818 powerdown_requested = 1;
1819 qemu_notify_event();
1820 }
1821
1822 void qemu_register_powerdown_notifier(Notifier *notifier)
1823 {
1824 notifier_list_add(&powerdown_notifiers, notifier);
1825 }
1826
1827 void qemu_system_debug_request(void)
1828 {
1829 debug_requested = 1;
1830 qemu_notify_event();
1831 }
1832
1833 static bool main_loop_should_exit(void)
1834 {
1835 RunState r;
1836 if (qemu_debug_requested()) {
1837 vm_stop(RUN_STATE_DEBUG);
1838 }
1839 if (qemu_suspend_requested()) {
1840 qemu_system_suspend();
1841 }
1842 if (qemu_shutdown_requested()) {
1843 qemu_kill_report();
1844 qapi_event_send_shutdown(&error_abort);
1845 if (no_shutdown) {
1846 vm_stop(RUN_STATE_SHUTDOWN);
1847 } else {
1848 return true;
1849 }
1850 }
1851 if (qemu_reset_requested()) {
1852 pause_all_vcpus();
1853 cpu_synchronize_all_states();
1854 qemu_system_reset(VMRESET_REPORT);
1855 resume_all_vcpus();
1856 if (runstate_needs_reset()) {
1857 runstate_set(RUN_STATE_PAUSED);
1858 }
1859 }
1860 if (qemu_wakeup_requested()) {
1861 pause_all_vcpus();
1862 cpu_synchronize_all_states();
1863 qemu_system_reset(VMRESET_SILENT);
1864 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1865 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1866 resume_all_vcpus();
1867 qapi_event_send_wakeup(&error_abort);
1868 }
1869 if (qemu_powerdown_requested()) {
1870 qemu_system_powerdown();
1871 }
1872 if (qemu_vmstop_requested(&r)) {
1873 vm_stop(r);
1874 }
1875 return false;
1876 }
1877
1878 static void main_loop(void)
1879 {
1880 bool nonblocking;
1881 int last_io = 0;
1882 #ifdef CONFIG_PROFILER
1883 int64_t ti;
1884 #endif
1885 do {
1886 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1887 #ifdef CONFIG_PROFILER
1888 ti = profile_getclock();
1889 #endif
1890 last_io = main_loop_wait(nonblocking);
1891 #ifdef CONFIG_PROFILER
1892 dev_time += profile_getclock() - ti;
1893 #endif
1894 } while (!main_loop_should_exit());
1895 }
1896
1897 static void version(void)
1898 {
1899 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1900 }
1901
1902 static void help(int exitcode)
1903 {
1904 version();
1905 printf("usage: %s [options] [disk_image]\n\n"
1906 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1907 error_get_progname());
1908
1909 #define QEMU_OPTIONS_GENERATE_HELP
1910 #include "qemu-options-wrapper.h"
1911
1912 printf("\nDuring emulation, the following keys are useful:\n"
1913 "ctrl-alt-f toggle full screen\n"
1914 "ctrl-alt-n switch to virtual console 'n'\n"
1915 "ctrl-alt toggle mouse and keyboard grab\n"
1916 "\n"
1917 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1918
1919 exit(exitcode);
1920 }
1921
1922 #define HAS_ARG 0x0001
1923
1924 typedef struct QEMUOption {
1925 const char *name;
1926 int flags;
1927 int index;
1928 uint32_t arch_mask;
1929 } QEMUOption;
1930
1931 static const QEMUOption qemu_options[] = {
1932 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1933 #define QEMU_OPTIONS_GENERATE_OPTIONS
1934 #include "qemu-options-wrapper.h"
1935 { NULL },
1936 };
1937
1938 static bool vga_available(void)
1939 {
1940 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1941 }
1942
1943 static bool cirrus_vga_available(void)
1944 {
1945 return object_class_by_name("cirrus-vga")
1946 || object_class_by_name("isa-cirrus-vga");
1947 }
1948
1949 static bool vmware_vga_available(void)
1950 {
1951 return object_class_by_name("vmware-svga");
1952 }
1953
1954 static bool qxl_vga_available(void)
1955 {
1956 return object_class_by_name("qxl-vga");
1957 }
1958
1959 static bool tcx_vga_available(void)
1960 {
1961 return object_class_by_name("SUNW,tcx");
1962 }
1963
1964 static bool cg3_vga_available(void)
1965 {
1966 return object_class_by_name("cgthree");
1967 }
1968
1969 static bool virtio_vga_available(void)
1970 {
1971 return object_class_by_name("virtio-vga");
1972 }
1973
1974 static void select_vgahw (const char *p)
1975 {
1976 const char *opts;
1977
1978 assert(vga_interface_type == VGA_NONE);
1979 if (strstart(p, "std", &opts)) {
1980 if (vga_available()) {
1981 vga_interface_type = VGA_STD;
1982 } else {
1983 fprintf(stderr, "Error: standard VGA not available\n");
1984 exit(0);
1985 }
1986 } else if (strstart(p, "cirrus", &opts)) {
1987 if (cirrus_vga_available()) {
1988 vga_interface_type = VGA_CIRRUS;
1989 } else {
1990 fprintf(stderr, "Error: Cirrus VGA not available\n");
1991 exit(0);
1992 }
1993 } else if (strstart(p, "vmware", &opts)) {
1994 if (vmware_vga_available()) {
1995 vga_interface_type = VGA_VMWARE;
1996 } else {
1997 fprintf(stderr, "Error: VMWare SVGA not available\n");
1998 exit(0);
1999 }
2000 } else if (strstart(p, "virtio", &opts)) {
2001 if (virtio_vga_available()) {
2002 vga_interface_type = VGA_VIRTIO;
2003 } else {
2004 fprintf(stderr, "Error: Virtio VGA not available\n");
2005 exit(0);
2006 }
2007 } else if (strstart(p, "xenfb", &opts)) {
2008 vga_interface_type = VGA_XENFB;
2009 } else if (strstart(p, "qxl", &opts)) {
2010 if (qxl_vga_available()) {
2011 vga_interface_type = VGA_QXL;
2012 } else {
2013 fprintf(stderr, "Error: QXL VGA not available\n");
2014 exit(0);
2015 }
2016 } else if (strstart(p, "tcx", &opts)) {
2017 if (tcx_vga_available()) {
2018 vga_interface_type = VGA_TCX;
2019 } else {
2020 fprintf(stderr, "Error: TCX framebuffer not available\n");
2021 exit(0);
2022 }
2023 } else if (strstart(p, "cg3", &opts)) {
2024 if (cg3_vga_available()) {
2025 vga_interface_type = VGA_CG3;
2026 } else {
2027 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2028 exit(0);
2029 }
2030 } else if (!strstart(p, "none", &opts)) {
2031 invalid_vga:
2032 fprintf(stderr, "Unknown vga type: %s\n", p);
2033 exit(1);
2034 }
2035 while (*opts) {
2036 const char *nextopt;
2037
2038 if (strstart(opts, ",retrace=", &nextopt)) {
2039 opts = nextopt;
2040 if (strstart(opts, "dumb", &nextopt))
2041 vga_retrace_method = VGA_RETRACE_DUMB;
2042 else if (strstart(opts, "precise", &nextopt))
2043 vga_retrace_method = VGA_RETRACE_PRECISE;
2044 else goto invalid_vga;
2045 } else goto invalid_vga;
2046 opts = nextopt;
2047 }
2048 }
2049
2050 static DisplayType select_display(const char *p)
2051 {
2052 const char *opts;
2053 DisplayType display = DT_DEFAULT;
2054
2055 if (strstart(p, "sdl", &opts)) {
2056 #ifdef CONFIG_SDL
2057 display = DT_SDL;
2058 while (*opts) {
2059 const char *nextopt;
2060
2061 if (strstart(opts, ",frame=", &nextopt)) {
2062 opts = nextopt;
2063 if (strstart(opts, "on", &nextopt)) {
2064 no_frame = 0;
2065 } else if (strstart(opts, "off", &nextopt)) {
2066 no_frame = 1;
2067 } else {
2068 goto invalid_sdl_args;
2069 }
2070 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2071 opts = nextopt;
2072 if (strstart(opts, "on", &nextopt)) {
2073 alt_grab = 1;
2074 } else if (strstart(opts, "off", &nextopt)) {
2075 alt_grab = 0;
2076 } else {
2077 goto invalid_sdl_args;
2078 }
2079 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2080 opts = nextopt;
2081 if (strstart(opts, "on", &nextopt)) {
2082 ctrl_grab = 1;
2083 } else if (strstart(opts, "off", &nextopt)) {
2084 ctrl_grab = 0;
2085 } else {
2086 goto invalid_sdl_args;
2087 }
2088 } else if (strstart(opts, ",window_close=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 no_quit = 0;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 no_quit = 1;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",gl=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 request_opengl = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 request_opengl = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else {
2107 invalid_sdl_args:
2108 error_report("Invalid SDL option string");
2109 exit(1);
2110 }
2111 opts = nextopt;
2112 }
2113 #else
2114 error_report("SDL support is disabled");
2115 exit(1);
2116 #endif
2117 } else if (strstart(p, "vnc", &opts)) {
2118 #ifdef CONFIG_VNC
2119 if (*opts == '=') {
2120 Error *err = NULL;
2121 if (vnc_parse(opts + 1, &err) == NULL) {
2122 error_report_err(err);
2123 exit(1);
2124 }
2125 } else {
2126 error_report("VNC requires a display argument vnc=<display>");
2127 exit(1);
2128 }
2129 #else
2130 error_report("VNC support is disabled");
2131 exit(1);
2132 #endif
2133 } else if (strstart(p, "curses", &opts)) {
2134 #ifdef CONFIG_CURSES
2135 display = DT_CURSES;
2136 #else
2137 error_report("Curses support is disabled");
2138 exit(1);
2139 #endif
2140 } else if (strstart(p, "gtk", &opts)) {
2141 #ifdef CONFIG_GTK
2142 display = DT_GTK;
2143 while (*opts) {
2144 const char *nextopt;
2145
2146 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2147 opts = nextopt;
2148 if (strstart(opts, "on", &nextopt)) {
2149 grab_on_hover = true;
2150 } else if (strstart(opts, "off", &nextopt)) {
2151 grab_on_hover = false;
2152 } else {
2153 goto invalid_gtk_args;
2154 }
2155 } else if (strstart(opts, ",gl=", &nextopt)) {
2156 opts = nextopt;
2157 if (strstart(opts, "on", &nextopt)) {
2158 request_opengl = 1;
2159 } else if (strstart(opts, "off", &nextopt)) {
2160 request_opengl = 0;
2161 } else {
2162 goto invalid_gtk_args;
2163 }
2164 } else {
2165 invalid_gtk_args:
2166 error_report("Invalid GTK option string");
2167 exit(1);
2168 }
2169 opts = nextopt;
2170 }
2171 #else
2172 error_report("GTK support is disabled");
2173 exit(1);
2174 #endif
2175 } else if (strstart(p, "none", &opts)) {
2176 display = DT_NONE;
2177 } else {
2178 error_report("Unknown display type");
2179 exit(1);
2180 }
2181
2182 return display;
2183 }
2184
2185 static int balloon_parse(const char *arg)
2186 {
2187 QemuOpts *opts;
2188
2189 if (strcmp(arg, "none") == 0) {
2190 return 0;
2191 }
2192
2193 if (!strncmp(arg, "virtio", 6)) {
2194 if (arg[6] == ',') {
2195 /* have params -> parse them */
2196 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2197 false);
2198 if (!opts)
2199 return -1;
2200 } else {
2201 /* create empty opts */
2202 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2203 &error_abort);
2204 }
2205 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2206 return 0;
2207 }
2208
2209 return -1;
2210 }
2211
2212 char *qemu_find_file(int type, const char *name)
2213 {
2214 int i;
2215 const char *subdir;
2216 char *buf;
2217
2218 /* Try the name as a straight path first */
2219 if (access(name, R_OK) == 0) {
2220 trace_load_file(name, name);
2221 return g_strdup(name);
2222 }
2223
2224 switch (type) {
2225 case QEMU_FILE_TYPE_BIOS:
2226 subdir = "";
2227 break;
2228 case QEMU_FILE_TYPE_KEYMAP:
2229 subdir = "keymaps/";
2230 break;
2231 default:
2232 abort();
2233 }
2234
2235 for (i = 0; i < data_dir_idx; i++) {
2236 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2237 if (access(buf, R_OK) == 0) {
2238 trace_load_file(name, buf);
2239 return buf;
2240 }
2241 g_free(buf);
2242 }
2243 return NULL;
2244 }
2245
2246 static inline bool nonempty_str(const char *str)
2247 {
2248 return str && *str;
2249 }
2250
2251 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2252 {
2253 gchar *buf;
2254 size_t size;
2255 const char *name, *file, *str;
2256
2257 if (opaque == NULL) {
2258 error_report("fw_cfg device not available");
2259 return -1;
2260 }
2261 name = qemu_opt_get(opts, "name");
2262 file = qemu_opt_get(opts, "file");
2263 str = qemu_opt_get(opts, "string");
2264
2265 /* we need name and either a file or the content string */
2266 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2267 error_report("invalid argument(s)");
2268 return -1;
2269 }
2270 if (nonempty_str(file) && nonempty_str(str)) {
2271 error_report("file and string are mutually exclusive");
2272 return -1;
2273 }
2274 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2275 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2276 return -1;
2277 }
2278 if (strncmp(name, "opt/", 4) != 0) {
2279 error_report("WARNING: externally provided fw_cfg item names "
2280 "should be prefixed with \"opt/\"!");
2281 }
2282 if (nonempty_str(str)) {
2283 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2284 buf = g_memdup(str, size);
2285 } else {
2286 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2287 error_report("can't load %s", file);
2288 return -1;
2289 }
2290 }
2291 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2292 return 0;
2293 }
2294
2295 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 return qdev_device_help(opts);
2298 }
2299
2300 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2301 {
2302 Error *err = NULL;
2303 DeviceState *dev;
2304
2305 dev = qdev_device_add(opts, &err);
2306 if (!dev) {
2307 error_report_err(err);
2308 return -1;
2309 }
2310 object_unref(OBJECT(dev));
2311 return 0;
2312 }
2313
2314 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2315 {
2316 Error *local_err = NULL;
2317
2318 qemu_chr_new_from_opts(opts, NULL, &local_err);
2319 if (local_err) {
2320 error_report_err(local_err);
2321 return -1;
2322 }
2323 return 0;
2324 }
2325
2326 #ifdef CONFIG_VIRTFS
2327 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2328 {
2329 int ret;
2330 ret = qemu_fsdev_add(opts);
2331
2332 return ret;
2333 }
2334 #endif
2335
2336 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 {
2338 CharDriverState *chr;
2339 const char *chardev;
2340 const char *mode;
2341 int flags;
2342
2343 mode = qemu_opt_get(opts, "mode");
2344 if (mode == NULL) {
2345 mode = "readline";
2346 }
2347 if (strcmp(mode, "readline") == 0) {
2348 flags = MONITOR_USE_READLINE;
2349 } else if (strcmp(mode, "control") == 0) {
2350 flags = MONITOR_USE_CONTROL;
2351 } else {
2352 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2353 exit(1);
2354 }
2355
2356 if (qemu_opt_get_bool(opts, "pretty", 0))
2357 flags |= MONITOR_USE_PRETTY;
2358
2359 if (qemu_opt_get_bool(opts, "default", 0))
2360 flags |= MONITOR_IS_DEFAULT;
2361
2362 chardev = qemu_opt_get(opts, "chardev");
2363 chr = qemu_chr_find(chardev);
2364 if (chr == NULL) {
2365 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2366 exit(1);
2367 }
2368
2369 qemu_chr_fe_claim_no_fail(chr);
2370 monitor_init(chr, flags);
2371 return 0;
2372 }
2373
2374 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2375 {
2376 static int monitor_device_index = 0;
2377 Error *local_err = NULL;
2378 QemuOpts *opts;
2379 const char *p;
2380 char label[32];
2381 int def = 0;
2382
2383 if (strstart(optarg, "chardev:", &p)) {
2384 snprintf(label, sizeof(label), "%s", p);
2385 } else {
2386 snprintf(label, sizeof(label), "compat_monitor%d",
2387 monitor_device_index);
2388 if (monitor_device_index == 0) {
2389 def = 1;
2390 }
2391 opts = qemu_chr_parse_compat(label, optarg);
2392 if (!opts) {
2393 fprintf(stderr, "parse error: %s\n", optarg);
2394 exit(1);
2395 }
2396 }
2397
2398 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2399 if (!opts) {
2400 error_report_err(local_err);
2401 exit(1);
2402 }
2403 qemu_opt_set(opts, "mode", mode, &error_abort);
2404 qemu_opt_set(opts, "chardev", label, &error_abort);
2405 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2406 if (def)
2407 qemu_opt_set(opts, "default", "on", &error_abort);
2408 monitor_device_index++;
2409 }
2410
2411 struct device_config {
2412 enum {
2413 DEV_USB, /* -usbdevice */
2414 DEV_BT, /* -bt */
2415 DEV_SERIAL, /* -serial */
2416 DEV_PARALLEL, /* -parallel */
2417 DEV_VIRTCON, /* -virtioconsole */
2418 DEV_DEBUGCON, /* -debugcon */
2419 DEV_GDB, /* -gdb, -s */
2420 DEV_SCLP, /* s390 sclp */
2421 } type;
2422 const char *cmdline;
2423 Location loc;
2424 QTAILQ_ENTRY(device_config) next;
2425 };
2426
2427 static QTAILQ_HEAD(, device_config) device_configs =
2428 QTAILQ_HEAD_INITIALIZER(device_configs);
2429
2430 static void add_device_config(int type, const char *cmdline)
2431 {
2432 struct device_config *conf;
2433
2434 conf = g_malloc0(sizeof(*conf));
2435 conf->type = type;
2436 conf->cmdline = cmdline;
2437 loc_save(&conf->loc);
2438 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2439 }
2440
2441 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2442 {
2443 struct device_config *conf;
2444 int rc;
2445
2446 QTAILQ_FOREACH(conf, &device_configs, next) {
2447 if (conf->type != type)
2448 continue;
2449 loc_push_restore(&conf->loc);
2450 rc = func(conf->cmdline);
2451 loc_pop(&conf->loc);
2452 if (rc) {
2453 return rc;
2454 }
2455 }
2456 return 0;
2457 }
2458
2459 static int serial_parse(const char *devname)
2460 {
2461 static int index = 0;
2462 char label[32];
2463
2464 if (strcmp(devname, "none") == 0)
2465 return 0;
2466 if (index == MAX_SERIAL_PORTS) {
2467 fprintf(stderr, "qemu: too many serial ports\n");
2468 exit(1);
2469 }
2470 snprintf(label, sizeof(label), "serial%d", index);
2471 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2472 if (!serial_hds[index]) {
2473 fprintf(stderr, "qemu: could not connect serial device"
2474 " to character backend '%s'\n", devname);
2475 return -1;
2476 }
2477 index++;
2478 return 0;
2479 }
2480
2481 static int parallel_parse(const char *devname)
2482 {
2483 static int index = 0;
2484 char label[32];
2485
2486 if (strcmp(devname, "none") == 0)
2487 return 0;
2488 if (index == MAX_PARALLEL_PORTS) {
2489 fprintf(stderr, "qemu: too many parallel ports\n");
2490 exit(1);
2491 }
2492 snprintf(label, sizeof(label), "parallel%d", index);
2493 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2494 if (!parallel_hds[index]) {
2495 fprintf(stderr, "qemu: could not connect parallel device"
2496 " to character backend '%s'\n", devname);
2497 return -1;
2498 }
2499 index++;
2500 return 0;
2501 }
2502
2503 static int virtcon_parse(const char *devname)
2504 {
2505 QemuOptsList *device = qemu_find_opts("device");
2506 static int index = 0;
2507 char label[32];
2508 QemuOpts *bus_opts, *dev_opts;
2509
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_VIRTIO_CONSOLES) {
2513 fprintf(stderr, "qemu: too many virtio consoles\n");
2514 exit(1);
2515 }
2516
2517 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2518 if (arch_type == QEMU_ARCH_S390X) {
2519 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2520 } else {
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2522 }
2523
2524 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2525 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2526
2527 snprintf(label, sizeof(label), "virtcon%d", index);
2528 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2529 if (!virtcon_hds[index]) {
2530 fprintf(stderr, "qemu: could not connect virtio console"
2531 " to character backend '%s'\n", devname);
2532 return -1;
2533 }
2534 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2535
2536 index++;
2537 return 0;
2538 }
2539
2540 static int sclp_parse(const char *devname)
2541 {
2542 QemuOptsList *device = qemu_find_opts("device");
2543 static int index = 0;
2544 char label[32];
2545 QemuOpts *dev_opts;
2546
2547 if (strcmp(devname, "none") == 0) {
2548 return 0;
2549 }
2550 if (index == MAX_SCLP_CONSOLES) {
2551 fprintf(stderr, "qemu: too many sclp consoles\n");
2552 exit(1);
2553 }
2554
2555 assert(arch_type == QEMU_ARCH_S390X);
2556
2557 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2558 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2559
2560 snprintf(label, sizeof(label), "sclpcon%d", index);
2561 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!sclp_hds[index]) {
2563 fprintf(stderr, "qemu: could not connect sclp console"
2564 " to character backend '%s'\n", devname);
2565 return -1;
2566 }
2567 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2568
2569 index++;
2570 return 0;
2571 }
2572
2573 static int debugcon_parse(const char *devname)
2574 {
2575 QemuOpts *opts;
2576
2577 if (!qemu_chr_new("debugcon", devname, NULL)) {
2578 exit(1);
2579 }
2580 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2581 if (!opts) {
2582 fprintf(stderr, "qemu: already have a debugcon device\n");
2583 exit(1);
2584 }
2585 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2586 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2587 return 0;
2588 }
2589
2590 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2591 {
2592 const MachineClass *mc1 = a, *mc2 = b;
2593 int res;
2594
2595 if (mc1->family == NULL) {
2596 if (mc2->family == NULL) {
2597 /* Compare standalone machine types against each other; they sort
2598 * in increasing order.
2599 */
2600 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2601 object_class_get_name(OBJECT_CLASS(mc2)));
2602 }
2603
2604 /* Standalone machine types sort after families. */
2605 return 1;
2606 }
2607
2608 if (mc2->family == NULL) {
2609 /* Families sort before standalone machine types. */
2610 return -1;
2611 }
2612
2613 /* Families sort between each other alphabetically increasingly. */
2614 res = strcmp(mc1->family, mc2->family);
2615 if (res != 0) {
2616 return res;
2617 }
2618
2619 /* Within the same family, machine types sort in decreasing order. */
2620 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2621 object_class_get_name(OBJECT_CLASS(mc1)));
2622 }
2623
2624 static MachineClass *machine_parse(const char *name)
2625 {
2626 MachineClass *mc = NULL;
2627 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2628
2629 if (name) {
2630 mc = find_machine(name);
2631 }
2632 if (mc) {
2633 g_slist_free(machines);
2634 return mc;
2635 }
2636 if (name && !is_help_option(name)) {
2637 error_report("Unsupported machine type");
2638 error_printf("Use -machine help to list supported machines!\n");
2639 } else {
2640 printf("Supported machines are:\n");
2641 machines = g_slist_sort(machines, machine_class_cmp);
2642 for (el = machines; el; el = el->next) {
2643 MachineClass *mc = el->data;
2644 if (mc->alias) {
2645 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2646 }
2647 printf("%-20s %s%s\n", mc->name, mc->desc,
2648 mc->is_default ? " (default)" : "");
2649 }
2650 }
2651
2652 g_slist_free(machines);
2653 exit(!name || !is_help_option(name));
2654 }
2655
2656 void qemu_add_exit_notifier(Notifier *notify)
2657 {
2658 notifier_list_add(&exit_notifiers, notify);
2659 }
2660
2661 void qemu_remove_exit_notifier(Notifier *notify)
2662 {
2663 notifier_remove(notify);
2664 }
2665
2666 static void qemu_run_exit_notifiers(void)
2667 {
2668 notifier_list_notify(&exit_notifiers, NULL);
2669 }
2670
2671 static bool machine_init_done;
2672
2673 void qemu_add_machine_init_done_notifier(Notifier *notify)
2674 {
2675 notifier_list_add(&machine_init_done_notifiers, notify);
2676 if (machine_init_done) {
2677 notify->notify(notify, NULL);
2678 }
2679 }
2680
2681 static void qemu_run_machine_init_done_notifiers(void)
2682 {
2683 notifier_list_notify(&machine_init_done_notifiers, NULL);
2684 machine_init_done = true;
2685 }
2686
2687 static const QEMUOption *lookup_opt(int argc, char **argv,
2688 const char **poptarg, int *poptind)
2689 {
2690 const QEMUOption *popt;
2691 int optind = *poptind;
2692 char *r = argv[optind];
2693 const char *optarg;
2694
2695 loc_set_cmdline(argv, optind, 1);
2696 optind++;
2697 /* Treat --foo the same as -foo. */
2698 if (r[1] == '-')
2699 r++;
2700 popt = qemu_options;
2701 for(;;) {
2702 if (!popt->name) {
2703 error_report("invalid option");
2704 exit(1);
2705 }
2706 if (!strcmp(popt->name, r + 1))
2707 break;
2708 popt++;
2709 }
2710 if (popt->flags & HAS_ARG) {
2711 if (optind >= argc) {
2712 error_report("requires an argument");
2713 exit(1);
2714 }
2715 optarg = argv[optind++];
2716 loc_set_cmdline(argv, optind - 2, 2);
2717 } else {
2718 optarg = NULL;
2719 }
2720
2721 *poptarg = optarg;
2722 *poptind = optind;
2723
2724 return popt;
2725 }
2726
2727 static int machine_set_property(void *opaque,
2728 const char *name, const char *value,
2729 Error **errp)
2730 {
2731 Object *obj = OBJECT(opaque);
2732 Error *local_err = NULL;
2733 char *c, *qom_name;
2734
2735 if (strcmp(name, "type") == 0) {
2736 return 0;
2737 }
2738
2739 qom_name = g_strdup(name);
2740 c = qom_name;
2741 while (*c++) {
2742 if (*c == '_') {
2743 *c = '-';
2744 }
2745 }
2746
2747 object_property_parse(obj, value, qom_name, &local_err);
2748 g_free(qom_name);
2749
2750 if (local_err) {
2751 error_report_err(local_err);
2752 return -1;
2753 }
2754
2755 return 0;
2756 }
2757
2758
2759 /*
2760 * Initial object creation happens before all other
2761 * QEMU data types are created. The majority of objects
2762 * can be created at this point. The rng-egd object
2763 * cannot be created here, as it depends on the chardev
2764 * already existing.
2765 */
2766 static bool object_create_initial(const char *type)
2767 {
2768 if (g_str_equal(type, "rng-egd")) {
2769 return false;
2770 }
2771
2772 /*
2773 * return false for concrete netfilters since
2774 * they depend on netdevs already existing
2775 */
2776 if (g_str_equal(type, "filter-buffer") ||
2777 g_str_equal(type, "filter-dump")) {
2778 return false;
2779 }
2780
2781 return true;
2782 }
2783
2784
2785 /*
2786 * The remainder of object creation happens after the
2787 * creation of chardev, fsdev, net clients and device data types.
2788 */
2789 static bool object_create_delayed(const char *type)
2790 {
2791 return !object_create_initial(type);
2792 }
2793
2794
2795 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2796 {
2797 Error *err = NULL;
2798 char *type = NULL;
2799 char *id = NULL;
2800 void *dummy = NULL;
2801 OptsVisitor *ov;
2802 QDict *pdict;
2803 bool (*type_predicate)(const char *) = opaque;
2804
2805 ov = opts_visitor_new(opts);
2806 pdict = qemu_opts_to_qdict(opts, NULL);
2807
2808 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2809 if (err) {
2810 goto out;
2811 }
2812
2813 qdict_del(pdict, "qom-type");
2814 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2815 if (err) {
2816 goto out;
2817 }
2818 if (!type_predicate(type)) {
2819 goto out;
2820 }
2821
2822 qdict_del(pdict, "id");
2823 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2824 if (err) {
2825 goto out;
2826 }
2827
2828 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2829 if (err) {
2830 goto out;
2831 }
2832 visit_end_struct(opts_get_visitor(ov), &err);
2833 if (err) {
2834 qmp_object_del(id, NULL);
2835 }
2836
2837 out:
2838 opts_visitor_cleanup(ov);
2839
2840 QDECREF(pdict);
2841 g_free(id);
2842 g_free(type);
2843 g_free(dummy);
2844 if (err) {
2845 error_report_err(err);
2846 return -1;
2847 }
2848 return 0;
2849 }
2850
2851 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2852 MachineClass *mc)
2853 {
2854 uint64_t sz;
2855 const char *mem_str;
2856 const char *maxmem_str, *slots_str;
2857 const ram_addr_t default_ram_size = mc->default_ram_size;
2858 QemuOpts *opts = qemu_find_opts_singleton("memory");
2859
2860 sz = 0;
2861 mem_str = qemu_opt_get(opts, "size");
2862 if (mem_str) {
2863 if (!*mem_str) {
2864 error_report("missing 'size' option value");
2865 exit(EXIT_FAILURE);
2866 }
2867
2868 sz = qemu_opt_get_size(opts, "size", ram_size);
2869
2870 /* Fix up legacy suffix-less format */
2871 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2872 uint64_t overflow_check = sz;
2873
2874 sz <<= 20;
2875 if ((sz >> 20) != overflow_check) {
2876 error_report("too large 'size' option value");
2877 exit(EXIT_FAILURE);
2878 }
2879 }
2880 }
2881
2882 /* backward compatibility behaviour for case "-m 0" */
2883 if (sz == 0) {
2884 sz = default_ram_size;
2885 }
2886
2887 sz = QEMU_ALIGN_UP(sz, 8192);
2888 ram_size = sz;
2889 if (ram_size != sz) {
2890 error_report("ram size too large");
2891 exit(EXIT_FAILURE);
2892 }
2893
2894 /* store value for the future use */
2895 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2896 *maxram_size = ram_size;
2897
2898 maxmem_str = qemu_opt_get(opts, "maxmem");
2899 slots_str = qemu_opt_get(opts, "slots");
2900 if (maxmem_str && slots_str) {
2901 uint64_t slots;
2902
2903 sz = qemu_opt_get_size(opts, "maxmem", 0);
2904 slots = qemu_opt_get_number(opts, "slots", 0);
2905 if (sz < ram_size) {
2906 error_report("invalid value of -m option maxmem: "
2907 "maximum memory size (0x%" PRIx64 ") must be at least "
2908 "the initial memory size (0x" RAM_ADDR_FMT ")",
2909 sz, ram_size);
2910 exit(EXIT_FAILURE);
2911 } else if (sz > ram_size) {
2912 if (!slots) {
2913 error_report("invalid value of -m option: maxmem was "
2914 "specified, but no hotplug slots were specified");
2915 exit(EXIT_FAILURE);
2916 }
2917 } else if (slots) {
2918 error_report("invalid value of -m option maxmem: "
2919 "memory slots were specified but maximum memory size "
2920 "(0x%" PRIx64 ") is equal to the initial memory size "
2921 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2922 exit(EXIT_FAILURE);
2923 }
2924
2925 *maxram_size = sz;
2926 *ram_slots = slots;
2927 } else if ((!maxmem_str && slots_str) ||
2928 (maxmem_str && !slots_str)) {
2929 error_report("invalid -m option value: missing "
2930 "'%s' option", slots_str ? "maxmem" : "slots");
2931 exit(EXIT_FAILURE);
2932 }
2933 }
2934
2935 int main(int argc, char **argv, char **envp)
2936 {
2937 int i;
2938 int snapshot, linux_boot;
2939 const char *initrd_filename;
2940 const char *kernel_filename, *kernel_cmdline;
2941 const char *boot_order = NULL;
2942 const char *boot_once = NULL;
2943 DisplayState *ds;
2944 int cyls, heads, secs, translation;
2945 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2946 QemuOptsList *olist;
2947 int optind;
2948 const char *optarg;
2949 const char *loadvm = NULL;
2950 MachineClass *machine_class;
2951 const char *cpu_model;
2952 const char *vga_model = NULL;
2953 const char *qtest_chrdev = NULL;
2954 const char *qtest_log = NULL;
2955 const char *pid_file = NULL;
2956 const char *incoming = NULL;
2957 #ifdef CONFIG_VNC
2958 int show_vnc_port = 0;
2959 #endif
2960 bool defconfig = true;
2961 bool userconfig = true;
2962 const char *log_mask = NULL;
2963 const char *log_file = NULL;
2964 const char *trace_events = NULL;
2965 const char *trace_file = NULL;
2966 ram_addr_t maxram_size;
2967 uint64_t ram_slots = 0;
2968 FILE *vmstate_dump_file = NULL;
2969 Error *main_loop_err = NULL;
2970 Error *err = NULL;
2971
2972 qemu_init_cpu_loop();
2973 qemu_mutex_lock_iothread();
2974
2975 atexit(qemu_run_exit_notifiers);
2976 error_set_progname(argv[0]);
2977 qemu_init_exec_dir(argv[0]);
2978
2979 module_call_init(MODULE_INIT_QOM);
2980
2981 qemu_add_opts(&qemu_drive_opts);
2982 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2983 qemu_add_drive_opts(&qemu_common_drive_opts);
2984 qemu_add_drive_opts(&qemu_drive_opts);
2985 qemu_add_opts(&qemu_chardev_opts);
2986 qemu_add_opts(&qemu_device_opts);
2987 qemu_add_opts(&qemu_netdev_opts);
2988 qemu_add_opts(&qemu_net_opts);
2989 qemu_add_opts(&qemu_rtc_opts);
2990 qemu_add_opts(&qemu_global_opts);
2991 qemu_add_opts(&qemu_mon_opts);
2992 qemu_add_opts(&qemu_trace_opts);
2993 qemu_add_opts(&qemu_option_rom_opts);
2994 qemu_add_opts(&qemu_machine_opts);
2995 qemu_add_opts(&qemu_mem_opts);
2996 qemu_add_opts(&qemu_smp_opts);
2997 qemu_add_opts(&qemu_boot_opts);
2998 qemu_add_opts(&qemu_sandbox_opts);
2999 qemu_add_opts(&qemu_add_fd_opts);
3000 qemu_add_opts(&qemu_object_opts);
3001 qemu_add_opts(&qemu_tpmdev_opts);
3002 qemu_add_opts(&qemu_realtime_opts);
3003 qemu_add_opts(&qemu_msg_opts);
3004 qemu_add_opts(&qemu_name_opts);
3005 qemu_add_opts(&qemu_numa_opts);
3006 qemu_add_opts(&qemu_icount_opts);
3007 qemu_add_opts(&qemu_semihosting_config_opts);
3008 qemu_add_opts(&qemu_fw_cfg_opts);
3009
3010 runstate_init();
3011
3012 if (qcrypto_init(&err) < 0) {
3013 fprintf(stderr, "Cannot initialize crypto: %s\n",
3014 error_get_pretty(err));
3015 exit(1);
3016 }
3017 rtc_clock = QEMU_CLOCK_HOST;
3018
3019 QLIST_INIT (&vm_change_state_head);
3020 os_setup_early_signal_handling();
3021
3022 module_call_init(MODULE_INIT_MACHINE);
3023 machine_class = find_default_machine();
3024 cpu_model = NULL;
3025 snapshot = 0;
3026 cyls = heads = secs = 0;
3027 translation = BIOS_ATA_TRANSLATION_AUTO;
3028
3029 nb_nics = 0;
3030
3031 bdrv_init_with_whitelist();
3032
3033 autostart = 1;
3034
3035 /* first pass of option parsing */
3036 optind = 1;
3037 while (optind < argc) {
3038 if (argv[optind][0] != '-') {
3039 /* disk image */
3040 optind++;
3041 } else {
3042 const QEMUOption *popt;
3043
3044 popt = lookup_opt(argc, argv, &optarg, &optind);
3045 switch (popt->index) {
3046 case QEMU_OPTION_nodefconfig:
3047 defconfig = false;
3048 break;
3049 case QEMU_OPTION_nouserconfig:
3050 userconfig = false;
3051 break;
3052 }
3053 }
3054 }
3055
3056 if (defconfig) {
3057 int ret;
3058 ret = qemu_read_default_config_files(userconfig);
3059 if (ret < 0) {
3060 exit(1);
3061 }
3062 }
3063
3064 /* second pass of option parsing */
3065 optind = 1;
3066 for(;;) {
3067 if (optind >= argc)
3068 break;
3069 if (argv[optind][0] != '-') {
3070 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3071 } else {
3072 const QEMUOption *popt;
3073
3074 popt = lookup_opt(argc, argv, &optarg, &optind);
3075 if (!(popt->arch_mask & arch_type)) {
3076 printf("Option %s not supported for this target\n", popt->name);
3077 exit(1);
3078 }
3079 switch(popt->index) {
3080 case QEMU_OPTION_no_kvm_irqchip: {
3081 olist = qemu_find_opts("machine");
3082 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3083 break;
3084 }
3085 case QEMU_OPTION_cpu:
3086 /* hw initialization will check this */
3087 cpu_model = optarg;
3088 break;
3089 case QEMU_OPTION_hda:
3090 {
3091 char buf[256];
3092 if (cyls == 0)
3093 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3094 else
3095 snprintf(buf, sizeof(buf),
3096 "%s,cyls=%d,heads=%d,secs=%d%s",
3097 HD_OPTS , cyls, heads, secs,
3098 translation == BIOS_ATA_TRANSLATION_LBA ?
3099 ",trans=lba" :
3100 translation == BIOS_ATA_TRANSLATION_NONE ?
3101 ",trans=none" : "");
3102 drive_add(IF_DEFAULT, 0, optarg, buf);
3103 break;
3104 }
3105 case QEMU_OPTION_hdb:
3106 case QEMU_OPTION_hdc:
3107 case QEMU_OPTION_hdd:
3108 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3109 HD_OPTS);
3110 break;
3111 case QEMU_OPTION_drive:
3112 if (drive_def(optarg) == NULL) {
3113 exit(1);
3114 }
3115 break;
3116 case QEMU_OPTION_set:
3117 if (qemu_set_option(optarg) != 0)
3118 exit(1);
3119 break;
3120 case QEMU_OPTION_global:
3121 if (qemu_global_option(optarg) != 0)
3122 exit(1);
3123 break;
3124 case QEMU_OPTION_mtdblock:
3125 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3126 break;
3127 case QEMU_OPTION_sd:
3128 drive_add(IF_SD, -1, optarg, SD_OPTS);
3129 break;
3130 case QEMU_OPTION_pflash:
3131 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3132 break;
3133 case QEMU_OPTION_snapshot:
3134 snapshot = 1;
3135 break;
3136 case QEMU_OPTION_hdachs:
3137 {
3138 const char *p;
3139 p = optarg;
3140 cyls = strtol(p, (char **)&p, 0);
3141 if (cyls < 1 || cyls > 16383)
3142 goto chs_fail;
3143 if (*p != ',')
3144 goto chs_fail;
3145 p++;
3146 heads = strtol(p, (char **)&p, 0);
3147 if (heads < 1 || heads > 16)
3148 goto chs_fail;
3149 if (*p != ',')
3150 goto chs_fail;
3151 p++;
3152 secs = strtol(p, (char **)&p, 0);
3153 if (secs < 1 || secs > 63)
3154 goto chs_fail;
3155 if (*p == ',') {
3156 p++;
3157 if (!strcmp(p, "large")) {
3158 translation = BIOS_ATA_TRANSLATION_LARGE;
3159 } else if (!strcmp(p, "rechs")) {
3160 translation = BIOS_ATA_TRANSLATION_RECHS;
3161 } else if (!strcmp(p, "none")) {
3162 translation = BIOS_ATA_TRANSLATION_NONE;
3163 } else if (!strcmp(p, "lba")) {
3164 translation = BIOS_ATA_TRANSLATION_LBA;
3165 } else if (!strcmp(p, "auto")) {
3166 translation = BIOS_ATA_TRANSLATION_AUTO;
3167 } else {
3168 goto chs_fail;
3169 }
3170 } else if (*p != '\0') {
3171 chs_fail:
3172 fprintf(stderr, "qemu: invalid physical CHS format\n");
3173 exit(1);
3174 }
3175 if (hda_opts != NULL) {
3176 qemu_opt_set_number(hda_opts, "cyls", cyls,
3177 &error_abort);
3178 qemu_opt_set_number(hda_opts, "heads", heads,
3179 &error_abort);
3180 qemu_opt_set_number(hda_opts, "secs", secs,
3181 &error_abort);
3182 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3183 qemu_opt_set(hda_opts, "trans", "large",
3184 &error_abort);
3185 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3186 qemu_opt_set(hda_opts, "trans", "rechs",
3187 &error_abort);
3188 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3189 qemu_opt_set(hda_opts, "trans", "lba",
3190 &error_abort);
3191 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3192 qemu_opt_set(hda_opts, "trans", "none",
3193 &error_abort);
3194 }
3195 }
3196 }
3197 break;
3198 case QEMU_OPTION_numa:
3199 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3200 optarg, true);
3201 if (!opts) {
3202 exit(1);
3203 }
3204 break;
3205 case QEMU_OPTION_display:
3206 display_type = select_display(optarg);
3207 break;
3208 case QEMU_OPTION_nographic:
3209 display_type = DT_NOGRAPHIC;
3210 break;
3211 case QEMU_OPTION_curses:
3212 #ifdef CONFIG_CURSES
3213 display_type = DT_CURSES;
3214 #else
3215 fprintf(stderr, "Curses support is disabled\n");
3216 exit(1);
3217 #endif
3218 break;
3219 case QEMU_OPTION_portrait:
3220 graphic_rotate = 90;
3221 break;
3222 case QEMU_OPTION_rotate:
3223 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3224 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3225 graphic_rotate != 180 && graphic_rotate != 270) {
3226 fprintf(stderr,
3227 "qemu: only 90, 180, 270 deg rotation is available\n");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_append:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_fda:
3258 case QEMU_OPTION_fdb:
3259 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3260 optarg, FD_OPTS);
3261 break;
3262 case QEMU_OPTION_no_fd_bootchk:
3263 fd_bootchk = 0;
3264 break;
3265 case QEMU_OPTION_netdev:
3266 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3267 exit(1);
3268 }
3269 break;
3270 case QEMU_OPTION_net:
3271 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3272 exit(1);
3273 }
3274 break;
3275 #ifdef CONFIG_LIBISCSI
3276 case QEMU_OPTION_iscsi:
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3278 optarg, false);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 break;
3283 #endif
3284 #ifdef CONFIG_SLIRP
3285 case QEMU_OPTION_tftp:
3286 legacy_tftp_prefix = optarg;
3287 break;
3288 case QEMU_OPTION_bootp:
3289 legacy_bootp_filename = optarg;
3290 break;
3291 case QEMU_OPTION_redir:
3292 if (net_slirp_redir(optarg) < 0)
3293 exit(1);
3294 break;
3295 #endif
3296 case QEMU_OPTION_bt:
3297 add_device_config(DEV_BT, optarg);
3298 break;
3299 case QEMU_OPTION_audio_help:
3300 AUD_help ();
3301 exit (0);
3302 break;
3303 case QEMU_OPTION_soundhw:
3304 select_soundhw (optarg);
3305 break;
3306 case QEMU_OPTION_h:
3307 help(0);
3308 break;
3309 case QEMU_OPTION_version:
3310 version();
3311 exit(0);
3312 break;
3313 case QEMU_OPTION_m:
3314 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3315 optarg, true);
3316 if (!opts) {
3317 exit(EXIT_FAILURE);
3318 }
3319 break;
3320 #ifdef CONFIG_TPM
3321 case QEMU_OPTION_tpmdev:
3322 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3323 exit(1);
3324 }
3325 break;
3326 #endif
3327 case QEMU_OPTION_mempath:
3328 mem_path = optarg;
3329 break;
3330 case QEMU_OPTION_mem_prealloc:
3331 mem_prealloc = 1;
3332 break;
3333 case QEMU_OPTION_d:
3334 log_mask = optarg;
3335 break;
3336 case QEMU_OPTION_D:
3337 log_file = optarg;
3338 break;
3339 case QEMU_OPTION_s:
3340 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3341 break;
3342 case QEMU_OPTION_gdb:
3343 add_device_config(DEV_GDB, optarg);
3344 break;
3345 case QEMU_OPTION_L:
3346 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3347 data_dir[data_dir_idx++] = optarg;
3348 }
3349 break;
3350 case QEMU_OPTION_bios:
3351 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3352 &error_abort);
3353 break;
3354 case QEMU_OPTION_singlestep:
3355 singlestep = 1;
3356 break;
3357 case QEMU_OPTION_S:
3358 autostart = 0;
3359 break;
3360 case QEMU_OPTION_k:
3361 keyboard_layout = optarg;
3362 break;
3363 case QEMU_OPTION_localtime:
3364 rtc_utc = 0;
3365 break;
3366 case QEMU_OPTION_vga:
3367 vga_model = optarg;
3368 default_vga = 0;
3369 break;
3370 case QEMU_OPTION_g:
3371 {
3372 const char *p;
3373 int w, h, depth;
3374 p = optarg;
3375 w = strtol(p, (char **)&p, 10);
3376 if (w <= 0) {
3377 graphic_error:
3378 fprintf(stderr, "qemu: invalid resolution or depth\n");
3379 exit(1);
3380 }
3381 if (*p != 'x')
3382 goto graphic_error;
3383 p++;
3384 h = strtol(p, (char **)&p, 10);
3385 if (h <= 0)
3386 goto graphic_error;
3387 if (*p == 'x') {
3388 p++;
3389 depth = strtol(p, (char **)&p, 10);
3390 if (depth != 8 && depth != 15 && depth != 16 &&
3391 depth != 24 && depth != 32)
3392 goto graphic_error;
3393 } else if (*p == '\0') {
3394 depth = graphic_depth;
3395 } else {
3396 goto graphic_error;
3397 }
3398
3399 graphic_width = w;
3400 graphic_height = h;
3401 graphic_depth = depth;
3402 }
3403 break;
3404 case QEMU_OPTION_echr:
3405 {
3406 char *r;
3407 term_escape_char = strtol(optarg, &r, 0);
3408 if (r == optarg)
3409 printf("Bad argument to echr\n");
3410 break;
3411 }
3412 case QEMU_OPTION_monitor:
3413 default_monitor = 0;
3414 if (strncmp(optarg, "none", 4)) {
3415 monitor_parse(optarg, "readline", false);
3416 }
3417 break;
3418 case QEMU_OPTION_qmp:
3419 monitor_parse(optarg, "control", false);
3420 default_monitor = 0;
3421 break;
3422 case QEMU_OPTION_qmp_pretty:
3423 monitor_parse(optarg, "control", true);
3424 default_monitor = 0;
3425 break;
3426 case QEMU_OPTION_mon:
3427 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3428 true);
3429 if (!opts) {
3430 exit(1);
3431 }
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_chardev:
3435 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3436 optarg, true);
3437 if (!opts) {
3438 exit(1);
3439 }
3440 break;
3441 case QEMU_OPTION_fsdev:
3442 olist = qemu_find_opts("fsdev");
3443 if (!olist) {
3444 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3445 exit(1);
3446 }
3447 opts = qemu_opts_parse_noisily(olist, optarg, true);
3448 if (!opts) {
3449 exit(1);
3450 }
3451 break;
3452 case QEMU_OPTION_virtfs: {
3453 QemuOpts *fsdev;
3454 QemuOpts *device;
3455 const char *writeout, *sock_fd, *socket;
3456
3457 olist = qemu_find_opts("virtfs");
3458 if (!olist) {
3459 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3460 exit(1);
3461 }
3462 opts = qemu_opts_parse_noisily(olist, optarg, true);
3463 if (!opts) {
3464 exit(1);
3465 }
3466
3467 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3468 qemu_opt_get(opts, "mount_tag") == NULL) {
3469 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3470 exit(1);
3471 }
3472 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3473 qemu_opt_get(opts, "mount_tag"),
3474 1, NULL);
3475 if (!fsdev) {
3476 fprintf(stderr, "duplicate fsdev id: %s\n",
3477 qemu_opt_get(opts, "mount_tag"));
3478 exit(1);
3479 }
3480
3481 writeout = qemu_opt_get(opts, "writeout");
3482 if (writeout) {
3483 #ifdef CONFIG_SYNC_FILE_RANGE
3484 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3485 #else
3486 fprintf(stderr, "writeout=immediate not supported on "
3487 "this platform\n");
3488 exit(1);
3489 #endif
3490 }
3491 qemu_opt_set(fsdev, "fsdriver",
3492 qemu_opt_get(opts, "fsdriver"), &error_abort);
3493 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3494 &error_abort);
3495 qemu_opt_set(fsdev, "security_model",
3496 qemu_opt_get(opts, "security_model"),
3497 &error_abort);
3498 socket = qemu_opt_get(opts, "socket");
3499 if (socket) {
3500 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3501 }
3502 sock_fd = qemu_opt_get(opts, "sock_fd");
3503 if (sock_fd) {
3504 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3505 }
3506
3507 qemu_opt_set_bool(fsdev, "readonly",
3508 qemu_opt_get_bool(opts, "readonly", 0),
3509 &error_abort);
3510 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3511 &error_abort);
3512 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3513 qemu_opt_set(device, "fsdev",
3514 qemu_opt_get(opts, "mount_tag"), &error_abort);
3515 qemu_opt_set(device, "mount_tag",
3516 qemu_opt_get(opts, "mount_tag"), &error_abort);
3517 break;
3518 }
3519 case QEMU_OPTION_virtfs_synth: {
3520 QemuOpts *fsdev;
3521 QemuOpts *device;
3522
3523 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3524 1, NULL);
3525 if (!fsdev) {
3526 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3527 exit(1);
3528 }
3529 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3530
3531 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3532 &error_abort);
3533 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3534 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3535 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3536 break;
3537 }
3538 case QEMU_OPTION_serial:
3539 add_device_config(DEV_SERIAL, optarg);
3540 default_serial = 0;
3541 if (strncmp(optarg, "mon:", 4) == 0) {
3542 default_monitor = 0;
3543 }
3544 break;
3545 case QEMU_OPTION_watchdog:
3546 if (watchdog) {
3547 fprintf(stderr,
3548 "qemu: only one watchdog option may be given\n");
3549 return 1;
3550 }
3551 watchdog = optarg;
3552 break;
3553 case QEMU_OPTION_watchdog_action:
3554 if (select_watchdog_action(optarg) == -1) {
3555 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3556 exit(1);
3557 }
3558 break;
3559 case QEMU_OPTION_virtiocon:
3560 add_device_config(DEV_VIRTCON, optarg);
3561 default_virtcon = 0;
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3564 }
3565 break;
3566 case QEMU_OPTION_parallel:
3567 add_device_config(DEV_PARALLEL, optarg);
3568 default_parallel = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_debugcon:
3574 add_device_config(DEV_DEBUGCON, optarg);
3575 break;
3576 case QEMU_OPTION_loadvm:
3577 loadvm = optarg;
3578 break;
3579 case QEMU_OPTION_full_screen:
3580 full_screen = 1;
3581 break;
3582 case QEMU_OPTION_no_frame:
3583 no_frame = 1;
3584 break;
3585 case QEMU_OPTION_alt_grab:
3586 alt_grab = 1;
3587 break;
3588 case QEMU_OPTION_ctrl_grab:
3589 ctrl_grab = 1;
3590 break;
3591 case QEMU_OPTION_no_quit:
3592 no_quit = 1;
3593 break;
3594 case QEMU_OPTION_sdl:
3595 #ifdef CONFIG_SDL
3596 display_type = DT_SDL;
3597 break;
3598 #else
3599 fprintf(stderr, "SDL support is disabled\n");
3600 exit(1);
3601 #endif
3602 case QEMU_OPTION_pidfile:
3603 pid_file = optarg;
3604 break;
3605 case QEMU_OPTION_win2k_hack:
3606 win2k_install_hack = 1;
3607 break;
3608 case QEMU_OPTION_rtc_td_hack: {
3609 static GlobalProperty slew_lost_ticks[] = {
3610 {
3611 .driver = "mc146818rtc",
3612 .property = "lost_tick_policy",
3613 .value = "slew",
3614 },
3615 { /* end of list */ }
3616 };
3617
3618 qdev_prop_register_global_list(slew_lost_ticks);
3619 break;
3620 }
3621 case QEMU_OPTION_acpitable:
3622 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3623 optarg, true);
3624 if (!opts) {
3625 exit(1);
3626 }
3627 do_acpitable_option(opts);
3628 break;
3629 case QEMU_OPTION_smbios:
3630 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3631 optarg, false);
3632 if (!opts) {
3633 exit(1);
3634 }
3635 do_smbios_option(opts);
3636 break;
3637 case QEMU_OPTION_fwcfg:
3638 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3639 optarg, true);
3640 if (opts == NULL) {
3641 exit(1);
3642 }
3643 break;
3644 case QEMU_OPTION_enable_kvm:
3645 olist = qemu_find_opts("machine");
3646 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3647 break;
3648 case QEMU_OPTION_M:
3649 case QEMU_OPTION_machine:
3650 olist = qemu_find_opts("machine");
3651 opts = qemu_opts_parse_noisily(olist, optarg, true);
3652 if (!opts) {
3653 exit(1);
3654 }
3655 break;
3656 case QEMU_OPTION_no_kvm:
3657 olist = qemu_find_opts("machine");
3658 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3659 break;
3660 case QEMU_OPTION_no_kvm_pit: {
3661 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3662 "separately.\n");
3663 break;
3664 }
3665 case QEMU_OPTION_no_kvm_pit_reinjection: {
3666 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3667 {
3668 .driver = "kvm-pit",
3669 .property = "lost_tick_policy",
3670 .value = "discard",
3671 },
3672 { /* end of list */ }
3673 };
3674
3675 fprintf(stderr, "Warning: option deprecated, use "
3676 "lost_tick_policy property of kvm-pit instead.\n");
3677 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3678 break;
3679 }
3680 case QEMU_OPTION_usb:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse_noisily(olist, "usb=on", false);
3683 break;
3684 case QEMU_OPTION_usbdevice:
3685 olist = qemu_find_opts("machine");
3686 qemu_opts_parse_noisily(olist, "usb=on", false);
3687 add_device_config(DEV_USB, optarg);
3688 break;
3689 case QEMU_OPTION_device:
3690 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3691 optarg, true)) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_smp:
3696 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3697 optarg, true)) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_vnc:
3702 {
3703 #ifdef CONFIG_VNC
3704 Error *local_err = NULL;
3705
3706 if (vnc_parse(optarg, &local_err) == NULL) {
3707 error_report_err(local_err);
3708 exit(1);
3709 }
3710 #else
3711 fprintf(stderr, "VNC support is disabled\n");
3712 exit(1);
3713 #endif
3714 break;
3715 }
3716 case QEMU_OPTION_no_acpi:
3717 acpi_enabled = 0;
3718 break;
3719 case QEMU_OPTION_no_hpet:
3720 no_hpet = 1;
3721 break;
3722 case QEMU_OPTION_balloon:
3723 if (balloon_parse(optarg) < 0) {
3724 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_no_reboot:
3729 no_reboot = 1;
3730 break;
3731 case QEMU_OPTION_no_shutdown:
3732 no_shutdown = 1;
3733 break;
3734 case QEMU_OPTION_show_cursor:
3735 cursor_hide = 0;
3736 break;
3737 case QEMU_OPTION_uuid:
3738 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3739 fprintf(stderr, "Fail to parse UUID string."
3740 " Wrong format.\n");
3741 exit(1);
3742 }
3743 qemu_uuid_set = true;
3744 break;
3745 case QEMU_OPTION_option_rom:
3746 if (nb_option_roms >= MAX_OPTION_ROMS) {
3747 fprintf(stderr, "Too many option ROMs\n");
3748 exit(1);
3749 }
3750 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3751 optarg, true);
3752 if (!opts) {
3753 exit(1);
3754 }
3755 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3756 option_rom[nb_option_roms].bootindex =
3757 qemu_opt_get_number(opts, "bootindex", -1);
3758 if (!option_rom[nb_option_roms].name) {
3759 fprintf(stderr, "Option ROM file is not specified\n");
3760 exit(1);
3761 }
3762 nb_option_roms++;
3763 break;
3764 case QEMU_OPTION_semihosting:
3765 semihosting.enabled = true;
3766 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3767 break;
3768 case QEMU_OPTION_semihosting_config:
3769 semihosting.enabled = true;
3770 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3771 optarg, false);
3772 if (opts != NULL) {
3773 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3774 true);
3775 const char *target = qemu_opt_get(opts, "target");
3776 if (target != NULL) {
3777 if (strcmp("native", target) == 0) {
3778 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3779 } else if (strcmp("gdb", target) == 0) {
3780 semihosting.target = SEMIHOSTING_TARGET_GDB;
3781 } else if (strcmp("auto", target) == 0) {
3782 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3783 } else {
3784 fprintf(stderr, "Unsupported semihosting-config"
3785 " %s\n",
3786 optarg);
3787 exit(1);
3788 }
3789 } else {
3790 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3791 }
3792 /* Set semihosting argument count and vector */
3793 qemu_opt_foreach(opts, add_semihosting_arg,
3794 &semihosting, NULL);
3795 } else {
3796 fprintf(stderr, "Unsupported semihosting-config %s\n",
3797 optarg);
3798 exit(1);
3799 }
3800 break;
3801 case QEMU_OPTION_tdf:
3802 fprintf(stderr, "Warning: user space PIT time drift fix "
3803 "is no longer supported.\n");
3804 break;
3805 case QEMU_OPTION_name:
3806 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3807 optarg, true);
3808 if (!opts) {
3809 exit(1);
3810 }
3811 break;
3812 case QEMU_OPTION_prom_env:
3813 if (nb_prom_envs >= MAX_PROM_ENVS) {
3814 fprintf(stderr, "Too many prom variables\n");
3815 exit(1);
3816 }
3817 prom_envs[nb_prom_envs] = optarg;
3818 nb_prom_envs++;
3819 break;
3820 case QEMU_OPTION_old_param:
3821 old_param = 1;
3822 break;
3823 case QEMU_OPTION_clock:
3824 /* Clock options no longer exist. Keep this option for
3825 * backward compatibility.
3826 */
3827 break;
3828 case QEMU_OPTION_startdate:
3829 configure_rtc_date_offset(optarg, 1);
3830 break;
3831 case QEMU_OPTION_rtc:
3832 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3833 false);
3834 if (!opts) {
3835 exit(1);
3836 }
3837 configure_rtc(opts);
3838 break;
3839 case QEMU_OPTION_tb_size:
3840 tcg_tb_size = strtol(optarg, NULL, 0);
3841 if (tcg_tb_size < 0) {
3842 tcg_tb_size = 0;
3843 }
3844 break;
3845 case QEMU_OPTION_icount:
3846 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3847 optarg, true);
3848 if (!icount_opts) {
3849 exit(1);
3850 }
3851 break;
3852 case QEMU_OPTION_incoming:
3853 if (!incoming) {
3854 runstate_set(RUN_STATE_INMIGRATE);
3855 }
3856 incoming = optarg;
3857 break;
3858 case QEMU_OPTION_nodefaults:
3859 has_defaults = 0;
3860 break;
3861 case QEMU_OPTION_xen_domid:
3862 if (!(xen_available())) {
3863 printf("Option %s not supported for this target\n", popt->name);
3864 exit(1);
3865 }
3866 xen_domid = atoi(optarg);
3867 break;
3868 case QEMU_OPTION_xen_create:
3869 if (!(xen_available())) {
3870 printf("Option %s not supported for this target\n", popt->name);
3871 exit(1);
3872 }
3873 xen_mode = XEN_CREATE;
3874 break;
3875 case QEMU_OPTION_xen_attach:
3876 if (!(xen_available())) {
3877 printf("Option %s not supported for this target\n", popt->name);
3878 exit(1);
3879 }
3880 xen_mode = XEN_ATTACH;
3881 break;
3882 case QEMU_OPTION_trace:
3883 {
3884 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3885 optarg, false);
3886 if (!opts) {
3887 exit(1);
3888 }
3889 trace_events = qemu_opt_get(opts, "events");
3890 trace_file = qemu_opt_get(opts, "file");
3891 break;
3892 }
3893 case QEMU_OPTION_readconfig:
3894 {
3895 int ret = qemu_read_config_file(optarg);
3896 if (ret < 0) {
3897 fprintf(stderr, "read config %s: %s\n", optarg,
3898 strerror(-ret));
3899 exit(1);
3900 }
3901 break;
3902 }
3903 case QEMU_OPTION_spice:
3904 olist = qemu_find_opts("spice");
3905 if (!olist) {
3906 fprintf(stderr, "spice is not supported by this qemu build.\n");
3907 exit(1);
3908 }
3909 opts = qemu_opts_parse_noisily(olist, optarg, false);
3910 if (!opts) {
3911 exit(1);
3912 }
3913 display_remote++;
3914 break;
3915 case QEMU_OPTION_writeconfig:
3916 {
3917 FILE *fp;
3918 if (strcmp(optarg, "-") == 0) {
3919 fp = stdout;
3920 } else {
3921 fp = fopen(optarg, "w");
3922 if (fp == NULL) {
3923 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3924 exit(1);
3925 }
3926 }
3927 qemu_config_write(fp);
3928 if (fp != stdout) {
3929 fclose(fp);
3930 }
3931 break;
3932 }
3933 case QEMU_OPTION_qtest:
3934 qtest_chrdev = optarg;
3935 break;
3936 case QEMU_OPTION_qtest_log:
3937 qtest_log = optarg;
3938 break;
3939 case QEMU_OPTION_sandbox:
3940 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3941 optarg, true);
3942 if (!opts) {
3943 exit(1);
3944 }
3945 break;
3946 case QEMU_OPTION_add_fd:
3947 #ifndef _WIN32
3948 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3949 optarg, false);
3950 if (!opts) {
3951 exit(1);
3952 }
3953 #else
3954 error_report("File descriptor passing is disabled on this "
3955 "platform");
3956 exit(1);
3957 #endif
3958 break;
3959 case QEMU_OPTION_object:
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3961 optarg, true);
3962 if (!opts) {
3963 exit(1);
3964 }
3965 break;
3966 case QEMU_OPTION_realtime:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3968 optarg, false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3973 break;
3974 case QEMU_OPTION_msg:
3975 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3976 false);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 configure_msg(opts);
3981 break;
3982 case QEMU_OPTION_dump_vmstate:
3983 if (vmstate_dump_file) {
3984 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3985 "option may be given\n");
3986 exit(1);
3987 }
3988 vmstate_dump_file = fopen(optarg, "w");
3989 if (vmstate_dump_file == NULL) {
3990 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3991 exit(1);
3992 }
3993 break;
3994 default:
3995 os_parse_cmd_args(popt->index, optarg);
3996 }
3997 }
3998 }
3999
4000 opts = qemu_get_machine_opts();
4001 optarg = qemu_opt_get(opts, "type");
4002 if (optarg) {
4003 machine_class = machine_parse(optarg);
4004 }
4005
4006 if (machine_class == NULL) {
4007 fprintf(stderr, "No machine specified, and there is no default.\n"
4008 "Use -machine help to list supported machines!\n");
4009 exit(1);
4010 }
4011
4012 set_memory_options(&ram_slots, &maxram_size, machine_class);
4013
4014 loc_set_none();
4015
4016 os_daemonize();
4017
4018 if (qemu_init_main_loop(&main_loop_err)) {
4019 error_report_err(main_loop_err);
4020 exit(1);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4024 parse_sandbox, NULL, NULL)) {
4025 exit(1);
4026 }
4027
4028 if (qemu_opts_foreach(qemu_find_opts("name"),
4029 parse_name, NULL, NULL)) {
4030 exit(1);
4031 }
4032
4033 #ifndef _WIN32
4034 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4035 parse_add_fd, NULL, NULL)) {
4036 exit(1);
4037 }
4038
4039 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4040 cleanup_add_fd, NULL, NULL)) {
4041 exit(1);
4042 }
4043 #endif
4044
4045 current_machine = MACHINE(object_new(object_class_get_name(
4046 OBJECT_CLASS(machine_class))));
4047 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4048 exit(0);
4049 }
4050 object_property_add_child(object_get_root(), "machine",
4051 OBJECT(current_machine), &error_abort);
4052 cpu_exec_init_all();
4053
4054 if (machine_class->hw_version) {
4055 qemu_set_version(machine_class->hw_version);
4056 }
4057
4058 /* Init CPU def lists, based on config
4059 * - Must be called after all the qemu_read_config_file() calls
4060 * - Must be called before list_cpus()
4061 * - Must be called before machine->init()
4062 */
4063 cpudef_init();
4064
4065 if (cpu_model && is_help_option(cpu_model)) {
4066 list_cpus(stdout, &fprintf, cpu_model);
4067 exit(0);
4068 }
4069
4070 /* Open the logfile at this point and set the log mask if necessary.
4071 */
4072 if (log_file) {
4073 qemu_set_log_filename(log_file);
4074 }
4075
4076 if (log_mask) {
4077 int mask;
4078 mask = qemu_str_to_log_mask(log_mask);
4079 if (!mask) {
4080 qemu_print_log_usage(stdout);
4081 exit(1);
4082 }
4083 qemu_set_log(mask);
4084 }
4085
4086 if (!is_daemonized()) {
4087 if (!trace_init_backends(trace_events, trace_file)) {
4088 exit(1);
4089 }
4090 }
4091
4092 /* If no data_dir is specified then try to find it relative to the
4093 executable path. */
4094 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4095 data_dir[data_dir_idx] = os_find_datadir();
4096 if (data_dir[data_dir_idx] != NULL) {
4097 data_dir_idx++;
4098 }
4099 }
4100 /* If all else fails use the install path specified when building. */
4101 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4102 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4103 }
4104
4105 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4106
4107 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4108 if (max_cpus > machine_class->max_cpus) {
4109 fprintf(stderr, "Number of SMP CPUs requested (%d) exceeds max CPUs "
4110 "supported by machine '%s' (%d)\n", max_cpus,
4111 machine_class->name, machine_class->max_cpus);
4112 exit(1);
4113 }
4114
4115 /*
4116 * Get the default machine options from the machine if it is not already
4117 * specified either by the configuration file or by the command line.
4118 */
4119 if (machine_class->default_machine_opts) {
4120 qemu_opts_set_defaults(qemu_find_opts("machine"),
4121 machine_class->default_machine_opts, 0);
4122 }
4123
4124 qemu_opts_foreach(qemu_find_opts("device"),
4125 default_driver_check, NULL, NULL);
4126 qemu_opts_foreach(qemu_find_opts("global"),
4127 default_driver_check, NULL, NULL);
4128
4129 if (!vga_model && !default_vga) {
4130 vga_interface_type = VGA_DEVICE;
4131 }
4132 if (!has_defaults || machine_class->no_serial) {
4133 default_serial = 0;
4134 }
4135 if (!has_defaults || machine_class->no_parallel) {
4136 default_parallel = 0;
4137 }
4138 if (!has_defaults || !machine_class->use_virtcon) {
4139 default_virtcon = 0;
4140 }
4141 if (!has_defaults || !machine_class->use_sclp) {
4142 default_sclp = 0;
4143 }
4144 if (!has_defaults || machine_class->no_floppy) {
4145 default_floppy = 0;
4146 }
4147 if (!has_defaults || machine_class->no_cdrom) {
4148 default_cdrom = 0;
4149 }
4150 if (!has_defaults || machine_class->no_sdcard) {
4151 default_sdcard = 0;
4152 }
4153 if (!has_defaults) {
4154 default_monitor = 0;
4155 default_net = 0;
4156 default_vga = 0;
4157 }
4158
4159 if (is_daemonized()) {
4160 /* According to documentation and historically, -nographic redirects
4161 * serial port, parallel port and monitor to stdio, which does not work
4162 * with -daemonize. We can redirect these to null instead, but since
4163 * -nographic is legacy, let's just error out.
4164 * We disallow -nographic only if all other ports are not redirected
4165 * explicitly, to not break existing legacy setups which uses
4166 * -nographic _and_ redirects all ports explicitly - this is valid
4167 * usage, -nographic is just a no-op in this case.
4168 */
4169 if (display_type == DT_NOGRAPHIC
4170 && (default_parallel || default_serial
4171 || default_monitor || default_virtcon)) {
4172 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4173 exit(1);
4174 }
4175 #ifdef CONFIG_CURSES
4176 if (display_type == DT_CURSES) {
4177 fprintf(stderr, "curses display can not be used with -daemonize\n");
4178 exit(1);
4179 }
4180 #endif
4181 }
4182
4183 if (display_type == DT_NOGRAPHIC) {
4184 if (default_parallel)
4185 add_device_config(DEV_PARALLEL, "null");
4186 if (default_serial && default_monitor) {
4187 add_device_config(DEV_SERIAL, "mon:stdio");
4188 } else if (default_virtcon && default_monitor) {
4189 add_device_config(DEV_VIRTCON, "mon:stdio");
4190 } else if (default_sclp && default_monitor) {
4191 add_device_config(DEV_SCLP, "mon:stdio");
4192 } else {
4193 if (default_serial)
4194 add_device_config(DEV_SERIAL, "stdio");
4195 if (default_virtcon)
4196 add_device_config(DEV_VIRTCON, "stdio");
4197 if (default_sclp) {
4198 add_device_config(DEV_SCLP, "stdio");
4199 }
4200 if (default_monitor)
4201 monitor_parse("stdio", "readline", false);
4202 }
4203 } else {
4204 if (default_serial)
4205 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4206 if (default_parallel)
4207 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4208 if (default_monitor)
4209 monitor_parse("vc:80Cx24C", "readline", false);
4210 if (default_virtcon)
4211 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4212 if (default_sclp) {
4213 add_device_config(DEV_SCLP, "vc:80Cx24C");
4214 }
4215 }
4216
4217 #if defined(CONFIG_VNC)
4218 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4219 display_remote++;
4220 }
4221 #endif
4222 if (display_type == DT_DEFAULT && !display_remote) {
4223 #if defined(CONFIG_GTK)
4224 display_type = DT_GTK;
4225 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4226 display_type = DT_SDL;
4227 #elif defined(CONFIG_VNC)
4228 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4229 show_vnc_port = 1;
4230 #else
4231 display_type = DT_NONE;
4232 #endif
4233 }
4234
4235 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4236 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4237 "for SDL, ignoring option\n");
4238 }
4239 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4240 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4241 "ignoring option\n");
4242 }
4243
4244 #if defined(CONFIG_GTK)
4245 if (display_type == DT_GTK) {
4246 early_gtk_display_init(request_opengl);
4247 }
4248 #endif
4249 #if defined(CONFIG_SDL)
4250 if (display_type == DT_SDL) {
4251 sdl_display_early_init(request_opengl);
4252 }
4253 #endif
4254 if (request_opengl == 1 && display_opengl == 0) {
4255 #if defined(CONFIG_OPENGL)
4256 fprintf(stderr, "OpenGL is not supported by the display.\n");
4257 #else
4258 fprintf(stderr, "QEMU was built without opengl support.\n");
4259 #endif
4260 exit(1);
4261 }
4262
4263 socket_init();
4264
4265 if (qemu_opts_foreach(qemu_find_opts("object"),
4266 object_create,
4267 object_create_initial, NULL)) {
4268 exit(1);
4269 }
4270
4271 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4272 chardev_init_func, NULL, NULL)) {
4273 exit(1);
4274 }
4275
4276 #ifdef CONFIG_VIRTFS
4277 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4278 fsdev_init_func, NULL, NULL)) {
4279 exit(1);
4280 }
4281 #endif
4282
4283 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4284 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4285 exit(1);
4286 }
4287
4288 if (qemu_opts_foreach(qemu_find_opts("device"),
4289 device_help_func, NULL, NULL)) {
4290 exit(0);
4291 }
4292
4293 machine_opts = qemu_get_machine_opts();
4294 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4295 NULL)) {
4296 object_unref(OBJECT(current_machine));
4297 exit(1);
4298 }
4299
4300 configure_accelerator(current_machine);
4301
4302 if (qtest_chrdev) {
4303 Error *local_err = NULL;
4304 qtest_init(qtest_chrdev, qtest_log, &local_err);
4305 if (local_err) {
4306 error_report_err(local_err);
4307 exit(1);
4308 }
4309 }
4310
4311 machine_opts = qemu_get_machine_opts();
4312 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4313 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4314 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4315 bios_name = qemu_opt_get(machine_opts, "firmware");
4316
4317 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4318 if (opts) {
4319 Error *local_err = NULL;
4320
4321 boot_order = qemu_opt_get(opts, "order");
4322 if (boot_order) {
4323 validate_bootdevices(boot_order, &local_err);
4324 if (local_err) {
4325 error_report_err(local_err);
4326 exit(1);
4327 }
4328 }
4329
4330 boot_once = qemu_opt_get(opts, "once");
4331 if (boot_once) {
4332 validate_bootdevices(boot_once, &local_err);
4333 if (local_err) {
4334 error_report_err(local_err);
4335 exit(1);
4336 }
4337 }
4338
4339 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4340 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4341 }
4342
4343 if (!boot_order) {
4344 boot_order = machine_class->default_boot_order;
4345 }
4346
4347 if (!kernel_cmdline) {
4348 kernel_cmdline = "";
4349 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4350 }
4351
4352 linux_boot = (kernel_filename != NULL);
4353
4354 if (!linux_boot && *kernel_cmdline != '\0') {
4355 fprintf(stderr, "-append only allowed with -kernel option\n");
4356 exit(1);
4357 }
4358
4359 if (!linux_boot && initrd_filename != NULL) {
4360 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4361 exit(1);
4362 }
4363
4364 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4365 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4366 exit(1);
4367 }
4368
4369 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4370 /* fall back to the -kernel/-append */
4371 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4372 }
4373
4374 os_set_line_buffering();
4375
4376 #ifdef CONFIG_SPICE
4377 /* spice needs the timers to be initialized by this point */
4378 qemu_spice_init();
4379 #endif
4380
4381 cpu_ticks_init();
4382 if (icount_opts) {
4383 if (kvm_enabled() || xen_enabled()) {
4384 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4385 exit(1);
4386 }
4387 configure_icount(icount_opts, &error_abort);
4388 qemu_opts_del(icount_opts);
4389 }
4390
4391 /* clean up network at qemu process termination */
4392 atexit(&net_cleanup);
4393
4394 if (net_init_clients() < 0) {
4395 exit(1);
4396 }
4397
4398 if (qemu_opts_foreach(qemu_find_opts("object"),
4399 object_create,
4400 object_create_delayed, NULL)) {
4401 exit(1);
4402 }
4403
4404 #ifdef CONFIG_TPM
4405 if (tpm_init() < 0) {
4406 exit(1);
4407 }
4408 #endif
4409
4410 /* init the bluetooth world */
4411 if (foreach_device_config(DEV_BT, bt_parse))
4412 exit(1);
4413
4414 if (!xen_enabled()) {
4415 /* On 32-bit hosts, QEMU is limited by virtual address space */
4416 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4417 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4418 exit(1);
4419 }
4420 }
4421
4422 blk_mig_init();
4423 ram_mig_init();
4424
4425 /* If the currently selected machine wishes to override the units-per-bus
4426 * property of its default HBA interface type, do so now. */
4427 if (machine_class->units_per_default_bus) {
4428 override_max_devs(machine_class->block_default_type,
4429 machine_class->units_per_default_bus);
4430 }
4431
4432 /* open the virtual block devices */
4433 if (snapshot)
4434 qemu_opts_foreach(qemu_find_opts("drive"),
4435 drive_enable_snapshot, NULL, NULL);
4436 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4437 &machine_class->block_default_type, NULL)) {
4438 exit(1);
4439 }
4440
4441 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4442 CDROM_OPTS);
4443 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4444 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4445
4446 parse_numa_opts(machine_class);
4447
4448 if (qemu_opts_foreach(qemu_find_opts("mon"),
4449 mon_init_func, NULL, NULL)) {
4450 exit(1);
4451 }
4452
4453 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4454 exit(1);
4455 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4456 exit(1);
4457 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4458 exit(1);
4459 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4460 exit(1);
4461 }
4462 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4463 exit(1);
4464
4465 /* If no default VGA is requested, the default is "none". */
4466 if (default_vga) {
4467 if (machine_class->default_display) {
4468 vga_model = machine_class->default_display;
4469 } else if (cirrus_vga_available()) {
4470 vga_model = "cirrus";
4471 } else if (vga_available()) {
4472 vga_model = "std";
4473 }
4474 }
4475 if (vga_model) {
4476 select_vgahw(vga_model);
4477 }
4478
4479 if (watchdog) {
4480 i = select_watchdog(watchdog);
4481 if (i > 0)
4482 exit (i == 1 ? 1 : 0);
4483 }
4484
4485 if (machine_class->compat_props) {
4486 qdev_prop_register_global_list(machine_class->compat_props);
4487 }
4488 qemu_add_globals();
4489
4490 qdev_machine_init();
4491
4492 current_machine->ram_size = ram_size;
4493 current_machine->maxram_size = maxram_size;
4494 current_machine->ram_slots = ram_slots;
4495 current_machine->boot_order = boot_order;
4496 current_machine->cpu_model = cpu_model;
4497
4498 machine_class->init(current_machine);
4499
4500 realtime_init();
4501
4502 audio_init();
4503
4504 cpu_synchronize_all_post_init();
4505
4506 numa_post_machine_init();
4507
4508 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4509 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4510 exit(1);
4511 }
4512
4513 /* init USB devices */
4514 if (usb_enabled()) {
4515 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4516 exit(1);
4517 }
4518
4519 /* Check if IGD GFX passthrough. */
4520 igd_gfx_passthru();
4521
4522 /* init generic devices */
4523 if (qemu_opts_foreach(qemu_find_opts("device"),
4524 device_init_func, NULL, NULL)) {
4525 exit(1);
4526 }
4527
4528 /* Did we create any drives that we failed to create a device for? */
4529 drive_check_orphaned();
4530
4531 net_check_clients();
4532
4533 if (boot_once) {
4534 Error *local_err = NULL;
4535 qemu_boot_set(boot_once, &local_err);
4536 if (local_err) {
4537 error_report("%s", error_get_pretty(local_err));
4538 exit(1);
4539 }
4540 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4541 }
4542
4543 ds = init_displaystate();
4544
4545 /* init local displays */
4546 switch (display_type) {
4547 case DT_NOGRAPHIC:
4548 (void)ds; /* avoid warning if no display is configured */
4549 break;
4550 #if defined(CONFIG_CURSES)
4551 case DT_CURSES:
4552 curses_display_init(ds, full_screen);
4553 break;
4554 #endif
4555 #if defined(CONFIG_SDL)
4556 case DT_SDL:
4557 sdl_display_init(ds, full_screen, no_frame);
4558 break;
4559 #elif defined(CONFIG_COCOA)
4560 case DT_SDL:
4561 cocoa_display_init(ds, full_screen);
4562 break;
4563 #endif
4564 #if defined(CONFIG_GTK)
4565 case DT_GTK:
4566 gtk_display_init(ds, full_screen, grab_on_hover);
4567 break;
4568 #endif
4569 default:
4570 break;
4571 }
4572
4573 /* must be after terminal init, SDL library changes signal handlers */
4574 os_setup_signal_handling();
4575
4576 #ifdef CONFIG_VNC
4577 /* init remote displays */
4578 qemu_opts_foreach(qemu_find_opts("vnc"),
4579 vnc_init_func, NULL, NULL);
4580 if (show_vnc_port) {
4581 char *ret = vnc_display_local_addr("default");
4582 printf("VNC server running on `%s'\n", ret);
4583 g_free(ret);
4584 }
4585 #endif
4586 #ifdef CONFIG_SPICE
4587 if (using_spice) {
4588 qemu_spice_display_init();
4589 }
4590 #endif
4591
4592 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4593 exit(1);
4594 }
4595
4596 qdev_machine_creation_done();
4597
4598 /* TODO: once all bus devices are qdevified, this should be done
4599 * when bus is created by qdev.c */
4600 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4601 qemu_run_machine_init_done_notifiers();
4602
4603 if (rom_check_and_register_reset() != 0) {
4604 fprintf(stderr, "rom check and register reset failed\n");
4605 exit(1);
4606 }
4607
4608 qemu_system_reset(VMRESET_SILENT);
4609 register_global_state();
4610 if (loadvm) {
4611 if (load_vmstate(loadvm) < 0) {
4612 autostart = 0;
4613 }
4614 }
4615
4616 qdev_prop_check_globals();
4617 if (vmstate_dump_file) {
4618 /* dump and exit */
4619 dump_vmstate_json_to_file(vmstate_dump_file);
4620 return 0;
4621 }
4622
4623 if (incoming) {
4624 Error *local_err = NULL;
4625 qemu_start_incoming_migration(incoming, &local_err);
4626 if (local_err) {
4627 error_report("-incoming %s: %s", incoming,
4628 error_get_pretty(local_err));
4629 error_free(local_err);
4630 exit(1);
4631 }
4632 } else if (autostart) {
4633 vm_start();
4634 }
4635
4636 os_setup_post();
4637
4638 if (is_daemonized()) {
4639 if (!trace_init_backends(trace_events, trace_file)) {
4640 exit(1);
4641 }
4642 }
4643
4644 main_loop();
4645 bdrv_close_all();
4646 pause_all_vcpus();
4647 res_free();
4648 #ifdef CONFIG_TPM
4649 tpm_cleanup();
4650 #endif
4651
4652 return 0;
4653 }
AR7 emulation for QEMU