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ide: move buffered DMA cancel to core
[qemu.git] / vl.c
blob175ebccb813b2570a144c855620eafe055e5ab98
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 "qemu/osdep.h"
25
26
27 #ifdef CONFIG_SECCOMP
28 #include "sysemu/seccomp.h"
29 #endif
30
31 #if defined(CONFIG_VDE)
32 #include <libvdeplug.h>
33 #endif
34
35 #ifdef CONFIG_SDL
36 #if defined(__APPLE__) || defined(main)
37 #include <SDL.h>
38 int qemu_main(int argc, char **argv, char **envp);
39 int main(int argc, char **argv)
40 {
41 return qemu_main(argc, argv, NULL);
42 }
43 #undef main
44 #define main qemu_main
45 #endif
46 #endif /* CONFIG_SDL */
47
48 #ifdef CONFIG_COCOA
49 #undef main
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
52
53 #include <glib.h>
54
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
57 #include "hw/hw.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
60 #include "hw/usb.h"
61 #include "hw/i386/pc.h"
62 #include "hw/isa/isa.h"
63 #include "hw/bt.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "sysemu/char.h"
80 #include "qemu/bitmap.h"
81 #include "sysemu/blockdev.h"
82 #include "hw/block/block.h"
83 #include "migration/block.h"
84 #include "sysemu/tpm.h"
85 #include "sysemu/dma.h"
86 #include "audio/audio.h"
87 #include "migration/migration.h"
88 #include "sysemu/kvm.h"
89 #include "qapi/qmp/qjson.h"
90 #include "qemu/option.h"
91 #include "qemu/config-file.h"
92 #include "qemu-options.h"
93 #include "qmp-commands.h"
94 #include "qemu/main-loop.h"
95 #ifdef CONFIG_VIRTFS
96 #include "fsdev/qemu-fsdev.h"
97 #endif
98 #include "sysemu/qtest.h"
99
100 #include "disas/disas.h"
101
102
103 #include "slirp/libslirp.h"
104
105 #include "trace.h"
106 #include "trace/control.h"
107 #include "qemu/queue.h"
108 #include "sysemu/cpus.h"
109 #include "sysemu/arch_init.h"
110
111 #include "ui/qemu-spice.h"
112 #include "qapi/string-input-visitor.h"
113 #include "qapi/opts-visitor.h"
114 #include "qom/object_interfaces.h"
115 #include "qapi-event.h"
116 #include "exec/semihost.h"
117 #include "crypto/init.h"
118 #include "sysemu/replay.h"
119 #include "qapi/qmp/qerror.h"
120
121 #define MAX_VIRTIO_CONSOLES 1
122 #define MAX_SCLP_CONSOLES 1
123
124 static const char *data_dir[16];
125 static int data_dir_idx;
126 const char *bios_name = NULL;
127 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
128 DisplayType display_type = DT_DEFAULT;
129 int request_opengl = -1;
130 int display_opengl;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 bool enable_mlock = false;
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210
211 static struct {
212 const char *driver;
213 int *flag;
214 } default_list[] = {
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
231 };
232
233 static QemuOptsList qemu_rtc_opts = {
234 .name = "rtc",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
236 .desc = {
237 {
238 .name = "base",
239 .type = QEMU_OPT_STRING,
240 },{
241 .name = "clock",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "driftfix",
245 .type = QEMU_OPT_STRING,
246 },
247 { /* end of list */ }
248 },
249 };
250
251 static QemuOptsList qemu_sandbox_opts = {
252 .name = "sandbox",
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
255 .desc = {
256 {
257 .name = "enable",
258 .type = QEMU_OPT_BOOL,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_trace_opts = {
265 .name = "trace",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_STRING,
272 },
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "rr",
477 .type = QEMU_OPT_STRING,
478 }, {
479 .name = "rrfile",
480 .type = QEMU_OPT_STRING,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
490 .desc = {
491 {
492 .name = "enable",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "target",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "arg",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526 };
527
528 /**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533 QemuOpts *qemu_get_machine_opts(void)
534 {
535 return qemu_find_opts_singleton("machine");
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550 {
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562 }
563
564 /***********************************************************/
565 /* QEMU state */
566
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
568
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
572
573 typedef struct {
574 RunState from;
575 RunState to;
576 } RunStateTransition;
577
578 static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
584 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
586 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
587 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
590 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
594 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
597 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
600 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
604
605 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
606 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
608
609 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
611
612 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
613
614 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
615 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
616 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
617 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
618 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
620 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
621 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
622 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
623 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
624
625 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
626
627 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
628 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
629
630 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
631 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
632 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
633 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
634
635 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
636 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
637
638 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
639 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
640
641 { RUN_STATE__MAX, RUN_STATE__MAX },
642 };
643
644 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
645
646 bool runstate_check(RunState state)
647 {
648 return current_run_state == state;
649 }
650
651 bool runstate_store(char *str, size_t size)
652 {
653 const char *state = RunState_lookup[current_run_state];
654 size_t len = strlen(state) + 1;
655
656 if (len > size) {
657 return false;
658 }
659 memcpy(str, state, len);
660 return true;
661 }
662
663 static void runstate_init(void)
664 {
665 const RunStateTransition *p;
666
667 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
668 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
669 runstate_valid_transitions[p->from][p->to] = true;
670 }
671
672 qemu_mutex_init(&vmstop_lock);
673 }
674
675 /* This function will abort() on invalid state transitions */
676 void runstate_set(RunState new_state)
677 {
678 assert(new_state < RUN_STATE__MAX);
679
680 if (!runstate_valid_transitions[current_run_state][new_state]) {
681 error_report("invalid runstate transition: '%s' -> '%s'",
682 RunState_lookup[current_run_state],
683 RunState_lookup[new_state]);
684 abort();
685 }
686 trace_runstate_set(new_state);
687 current_run_state = new_state;
688 }
689
690 int runstate_is_running(void)
691 {
692 return runstate_check(RUN_STATE_RUNNING);
693 }
694
695 bool runstate_needs_reset(void)
696 {
697 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
698 runstate_check(RUN_STATE_SHUTDOWN);
699 }
700
701 StatusInfo *qmp_query_status(Error **errp)
702 {
703 StatusInfo *info = g_malloc0(sizeof(*info));
704
705 info->running = runstate_is_running();
706 info->singlestep = singlestep;
707 info->status = current_run_state;
708
709 return info;
710 }
711
712 static bool qemu_vmstop_requested(RunState *r)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 *r = vmstop_requested;
716 vmstop_requested = RUN_STATE__MAX;
717 qemu_mutex_unlock(&vmstop_lock);
718 return *r < RUN_STATE__MAX;
719 }
720
721 void qemu_system_vmstop_request_prepare(void)
722 {
723 qemu_mutex_lock(&vmstop_lock);
724 }
725
726 void qemu_system_vmstop_request(RunState state)
727 {
728 vmstop_requested = state;
729 qemu_mutex_unlock(&vmstop_lock);
730 qemu_notify_event();
731 }
732
733 void vm_start(void)
734 {
735 RunState requested;
736
737 qemu_vmstop_requested(&requested);
738 if (runstate_is_running() && requested == RUN_STATE__MAX) {
739 return;
740 }
741
742 /* Ensure that a STOP/RESUME pair of events is emitted if a
743 * vmstop request was pending. The BLOCK_IO_ERROR event, for
744 * example, according to documentation is always followed by
745 * the STOP event.
746 */
747 if (runstate_is_running()) {
748 qapi_event_send_stop(&error_abort);
749 } else {
750 cpu_enable_ticks();
751 runstate_set(RUN_STATE_RUNNING);
752 vm_state_notify(1, RUN_STATE_RUNNING);
753 resume_all_vcpus();
754 }
755
756 qapi_event_send_resume(&error_abort);
757 }
758
759
760 /***********************************************************/
761 /* real time host monotonic timer */
762
763 static time_t qemu_time(void)
764 {
765 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
766 }
767
768 /***********************************************************/
769 /* host time/date access */
770 void qemu_get_timedate(struct tm *tm, int offset)
771 {
772 time_t ti = qemu_time();
773
774 ti += offset;
775 if (rtc_date_offset == -1) {
776 if (rtc_utc)
777 gmtime_r(&ti, tm);
778 else
779 localtime_r(&ti, tm);
780 } else {
781 ti -= rtc_date_offset;
782 gmtime_r(&ti, tm);
783 }
784 }
785
786 int qemu_timedate_diff(struct tm *tm)
787 {
788 time_t seconds;
789
790 if (rtc_date_offset == -1)
791 if (rtc_utc)
792 seconds = mktimegm(tm);
793 else {
794 struct tm tmp = *tm;
795 tmp.tm_isdst = -1; /* use timezone to figure it out */
796 seconds = mktime(&tmp);
797 }
798 else
799 seconds = mktimegm(tm) + rtc_date_offset;
800
801 return seconds - qemu_time();
802 }
803
804 static void configure_rtc_date_offset(const char *startdate, int legacy)
805 {
806 time_t rtc_start_date;
807 struct tm tm;
808
809 if (!strcmp(startdate, "now") && legacy) {
810 rtc_date_offset = -1;
811 } else {
812 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
813 &tm.tm_year,
814 &tm.tm_mon,
815 &tm.tm_mday,
816 &tm.tm_hour,
817 &tm.tm_min,
818 &tm.tm_sec) == 6) {
819 /* OK */
820 } else if (sscanf(startdate, "%d-%d-%d",
821 &tm.tm_year,
822 &tm.tm_mon,
823 &tm.tm_mday) == 3) {
824 tm.tm_hour = 0;
825 tm.tm_min = 0;
826 tm.tm_sec = 0;
827 } else {
828 goto date_fail;
829 }
830 tm.tm_year -= 1900;
831 tm.tm_mon--;
832 rtc_start_date = mktimegm(&tm);
833 if (rtc_start_date == -1) {
834 date_fail:
835 error_report("invalid date format");
836 error_printf("valid formats: "
837 "'2006-06-17T16:01:21' or '2006-06-17'\n");
838 exit(1);
839 }
840 rtc_date_offset = qemu_time() - rtc_start_date;
841 }
842 }
843
844 static void configure_rtc(QemuOpts *opts)
845 {
846 const char *value;
847
848 value = qemu_opt_get(opts, "base");
849 if (value) {
850 if (!strcmp(value, "utc")) {
851 rtc_utc = 1;
852 } else if (!strcmp(value, "localtime")) {
853 Error *blocker = NULL;
854 rtc_utc = 0;
855 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
856 "-rtc base=localtime");
857 replay_add_blocker(blocker);
858 } else {
859 configure_rtc_date_offset(value, 0);
860 }
861 }
862 value = qemu_opt_get(opts, "clock");
863 if (value) {
864 if (!strcmp(value, "host")) {
865 rtc_clock = QEMU_CLOCK_HOST;
866 } else if (!strcmp(value, "rt")) {
867 rtc_clock = QEMU_CLOCK_REALTIME;
868 } else if (!strcmp(value, "vm")) {
869 rtc_clock = QEMU_CLOCK_VIRTUAL;
870 } else {
871 error_report("invalid option value '%s'", value);
872 exit(1);
873 }
874 }
875 value = qemu_opt_get(opts, "driftfix");
876 if (value) {
877 if (!strcmp(value, "slew")) {
878 static GlobalProperty slew_lost_ticks[] = {
879 {
880 .driver = "mc146818rtc",
881 .property = "lost_tick_policy",
882 .value = "slew",
883 },
884 { /* end of list */ }
885 };
886
887 qdev_prop_register_global_list(slew_lost_ticks);
888 } else if (!strcmp(value, "none")) {
889 /* discard is default */
890 } else {
891 error_report("invalid option value '%s'", value);
892 exit(1);
893 }
894 }
895 }
896
897 /***********************************************************/
898 /* Bluetooth support */
899 static int nb_hcis;
900 static int cur_hci;
901 static struct HCIInfo *hci_table[MAX_NICS];
902
903 struct HCIInfo *qemu_next_hci(void)
904 {
905 if (cur_hci == nb_hcis)
906 return &null_hci;
907
908 return hci_table[cur_hci++];
909 }
910
911 static int bt_hci_parse(const char *str)
912 {
913 struct HCIInfo *hci;
914 bdaddr_t bdaddr;
915
916 if (nb_hcis >= MAX_NICS) {
917 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
918 return -1;
919 }
920
921 hci = hci_init(str);
922 if (!hci)
923 return -1;
924
925 bdaddr.b[0] = 0x52;
926 bdaddr.b[1] = 0x54;
927 bdaddr.b[2] = 0x00;
928 bdaddr.b[3] = 0x12;
929 bdaddr.b[4] = 0x34;
930 bdaddr.b[5] = 0x56 + nb_hcis;
931 hci->bdaddr_set(hci, bdaddr.b);
932
933 hci_table[nb_hcis++] = hci;
934
935 return 0;
936 }
937
938 static void bt_vhci_add(int vlan_id)
939 {
940 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
941
942 if (!vlan->slave)
943 error_report("warning: adding a VHCI to an empty scatternet %i",
944 vlan_id);
945
946 bt_vhci_init(bt_new_hci(vlan));
947 }
948
949 static struct bt_device_s *bt_device_add(const char *opt)
950 {
951 struct bt_scatternet_s *vlan;
952 int vlan_id = 0;
953 char *endp = strstr(opt, ",vlan=");
954 int len = (endp ? endp - opt : strlen(opt)) + 1;
955 char devname[10];
956
957 pstrcpy(devname, MIN(sizeof(devname), len), opt);
958
959 if (endp) {
960 vlan_id = strtol(endp + 6, &endp, 0);
961 if (*endp) {
962 error_report("unrecognised bluetooth vlan Id");
963 return 0;
964 }
965 }
966
967 vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
970 error_report("warning: adding a slave device to an empty scatternet %i",
971 vlan_id);
972
973 if (!strcmp(devname, "keyboard"))
974 return bt_keyboard_init(vlan);
975
976 error_report("unsupported bluetooth device '%s'", devname);
977 return 0;
978 }
979
980 static int bt_parse(const char *opt)
981 {
982 const char *endp, *p;
983 int vlan;
984
985 if (strstart(opt, "hci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp)
988 if (!strstart(endp, ",vlan=", 0))
989 opt = endp + 1;
990
991 return bt_hci_parse(opt);
992 }
993 } else if (strstart(opt, "vhci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp) {
996 if (strstart(endp, ",vlan=", &p)) {
997 vlan = strtol(p, (char **) &endp, 0);
998 if (*endp) {
999 error_report("bad scatternet '%s'", p);
1000 return 1;
1001 }
1002 } else {
1003 error_report("bad parameter '%s'", endp + 1);
1004 return 1;
1005 }
1006 } else
1007 vlan = 0;
1008
1009 bt_vhci_add(vlan);
1010 return 0;
1011 }
1012 } else if (strstart(opt, "device:", &endp))
1013 return !bt_device_add(endp);
1014
1015 error_report("bad bluetooth parameter '%s'", opt);
1016 return 1;
1017 }
1018
1019 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1020 {
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 error_report("failed to install seccomp syscall filter "
1026 "in the kernel");
1027 return -1;
1028 }
1029 #else
1030 error_report("seccomp support is disabled");
1031 return -1;
1032 #endif
1033 }
1034
1035 return 0;
1036 }
1037
1038 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 const char *proc_name;
1041
1042 if (qemu_opt_get(opts, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1044 }
1045 qemu_name = qemu_opt_get(opts, "guest");
1046
1047 proc_name = qemu_opt_get(opts, "process");
1048 if (proc_name) {
1049 os_set_proc_name(proc_name);
1050 }
1051
1052 return 0;
1053 }
1054
1055 bool defaults_enabled(void)
1056 {
1057 return has_defaults;
1058 }
1059
1060 bool usb_enabled(void)
1061 {
1062 return machine_usb(current_machine);
1063 }
1064
1065 #ifndef _WIN32
1066 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1067 {
1068 int fd, dupfd, flags;
1069 int64_t fdset_id;
1070 const char *fd_opaque = NULL;
1071 AddfdInfo *fdinfo;
1072
1073 fd = qemu_opt_get_number(opts, "fd", -1);
1074 fdset_id = qemu_opt_get_number(opts, "set", -1);
1075 fd_opaque = qemu_opt_get(opts, "opaque");
1076
1077 if (fd < 0) {
1078 error_report("fd option is required and must be non-negative");
1079 return -1;
1080 }
1081
1082 if (fd <= STDERR_FILENO) {
1083 error_report("fd cannot be a standard I/O stream");
1084 return -1;
1085 }
1086
1087 /*
1088 * All fds inherited across exec() necessarily have FD_CLOEXEC
1089 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1090 */
1091 flags = fcntl(fd, F_GETFD);
1092 if (flags == -1 || (flags & FD_CLOEXEC)) {
1093 error_report("fd is not valid or already in use");
1094 return -1;
1095 }
1096
1097 if (fdset_id < 0) {
1098 error_report("set option is required and must be non-negative");
1099 return -1;
1100 }
1101
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1104 #else
1105 dupfd = dup(fd);
1106 if (dupfd != -1) {
1107 qemu_set_cloexec(dupfd);
1108 }
1109 #endif
1110 if (dupfd == -1) {
1111 error_report("error duplicating fd: %s", strerror(errno));
1112 return -1;
1113 }
1114
1115 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1116 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1117 &error_abort);
1118 g_free(fdinfo);
1119
1120 return 0;
1121 }
1122
1123 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1124 {
1125 int fd;
1126
1127 fd = qemu_opt_get_number(opts, "fd", -1);
1128 close(fd);
1129
1130 return 0;
1131 }
1132 #endif
1133
1134 /***********************************************************/
1135 /* QEMU Block devices */
1136
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1139 #define FD_OPTS ""
1140 #define PFLASH_OPTS ""
1141 #define MTD_OPTS ""
1142 #define SD_OPTS ""
1143
1144 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1145 {
1146 BlockInterfaceType *block_default_type = opaque;
1147
1148 return drive_new(opts, *block_default_type) == NULL;
1149 }
1150
1151 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 if (qemu_opt_get(opts, "snapshot") == NULL) {
1154 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1155 }
1156 return 0;
1157 }
1158
1159 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1160 int index, const char *optstr)
1161 {
1162 QemuOpts *opts;
1163 DriveInfo *dinfo;
1164
1165 if (!enable || drive_get_by_index(type, index)) {
1166 return;
1167 }
1168
1169 opts = drive_add(type, index, NULL, optstr);
1170 if (snapshot) {
1171 drive_enable_snapshot(NULL, opts, NULL);
1172 }
1173
1174 dinfo = drive_new(opts, type);
1175 if (!dinfo) {
1176 exit(1);
1177 }
1178 dinfo->is_default = true;
1179
1180 }
1181
1182 static QemuOptsList qemu_smp_opts = {
1183 .name = "smp-opts",
1184 .implied_opt_name = "cpus",
1185 .merge_lists = true,
1186 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1187 .desc = {
1188 {
1189 .name = "cpus",
1190 .type = QEMU_OPT_NUMBER,
1191 }, {
1192 .name = "sockets",
1193 .type = QEMU_OPT_NUMBER,
1194 }, {
1195 .name = "cores",
1196 .type = QEMU_OPT_NUMBER,
1197 }, {
1198 .name = "threads",
1199 .type = QEMU_OPT_NUMBER,
1200 }, {
1201 .name = "maxcpus",
1202 .type = QEMU_OPT_NUMBER,
1203 },
1204 { /*End of list */ }
1205 },
1206 };
1207
1208 static void smp_parse(QemuOpts *opts)
1209 {
1210 if (opts) {
1211
1212 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1213 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1214 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1215 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1216
1217 /* compute missing values, prefer sockets over cores over threads */
1218 if (cpus == 0 || sockets == 0) {
1219 sockets = sockets > 0 ? sockets : 1;
1220 cores = cores > 0 ? cores : 1;
1221 threads = threads > 0 ? threads : 1;
1222 if (cpus == 0) {
1223 cpus = cores * threads * sockets;
1224 }
1225 } else if (cores == 0) {
1226 threads = threads > 0 ? threads : 1;
1227 cores = cpus / (sockets * threads);
1228 } else if (threads == 0) {
1229 threads = cpus / (cores * sockets);
1230 } else if (sockets * cores * threads < cpus) {
1231 error_report("cpu topology: "
1232 "sockets (%u) * cores (%u) * threads (%u) < "
1233 "smp_cpus (%u)",
1234 sockets, cores, threads, cpus);
1235 exit(1);
1236 }
1237
1238 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1239 if (sockets * cores * threads > max_cpus) {
1240 error_report("cpu topology: "
1241 "sockets (%u) * cores (%u) * threads (%u) > "
1242 "maxcpus (%u)",
1243 sockets, cores, threads, max_cpus);
1244 exit(1);
1245 }
1246
1247 smp_cpus = cpus;
1248 smp_cores = cores > 0 ? cores : 1;
1249 smp_threads = threads > 0 ? threads : 1;
1250
1251 }
1252
1253 if (max_cpus == 0) {
1254 max_cpus = smp_cpus;
1255 }
1256
1257 if (max_cpus > MAX_CPUMASK_BITS) {
1258 error_report("unsupported number of maxcpus");
1259 exit(1);
1260 }
1261 if (max_cpus < smp_cpus) {
1262 error_report("maxcpus must be equal to or greater than smp");
1263 exit(1);
1264 }
1265
1266 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1267 Error *blocker = NULL;
1268 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1269 replay_add_blocker(blocker);
1270 }
1271 }
1272
1273 static void realtime_init(void)
1274 {
1275 if (enable_mlock) {
1276 if (os_mlock() < 0) {
1277 error_report("locking memory failed");
1278 exit(1);
1279 }
1280 }
1281 }
1282
1283
1284 static void configure_msg(QemuOpts *opts)
1285 {
1286 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1287 }
1288
1289 /***********************************************************/
1290 /* Semihosting */
1291
1292 typedef struct SemihostingConfig {
1293 bool enabled;
1294 SemihostingTarget target;
1295 const char **argv;
1296 int argc;
1297 const char *cmdline; /* concatenated argv */
1298 } SemihostingConfig;
1299
1300 static SemihostingConfig semihosting;
1301
1302 bool semihosting_enabled(void)
1303 {
1304 return semihosting.enabled;
1305 }
1306
1307 SemihostingTarget semihosting_get_target(void)
1308 {
1309 return semihosting.target;
1310 }
1311
1312 const char *semihosting_get_arg(int i)
1313 {
1314 if (i >= semihosting.argc) {
1315 return NULL;
1316 }
1317 return semihosting.argv[i];
1318 }
1319
1320 int semihosting_get_argc(void)
1321 {
1322 return semihosting.argc;
1323 }
1324
1325 const char *semihosting_get_cmdline(void)
1326 {
1327 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1328 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1329 }
1330 return semihosting.cmdline;
1331 }
1332
1333 static int add_semihosting_arg(void *opaque,
1334 const char *name, const char *val,
1335 Error **errp)
1336 {
1337 SemihostingConfig *s = opaque;
1338 if (strcmp(name, "arg") == 0) {
1339 s->argc++;
1340 /* one extra element as g_strjoinv() expects NULL-terminated array */
1341 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1342 s->argv[s->argc - 1] = val;
1343 s->argv[s->argc] = NULL;
1344 }
1345 return 0;
1346 }
1347
1348 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1349 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1350 {
1351 char *cmd_token;
1352
1353 /* argv[0] */
1354 add_semihosting_arg(&semihosting, "arg", file, NULL);
1355
1356 /* split -append and initialize argv[1..n] */
1357 cmd_token = strtok(g_strdup(cmd), " ");
1358 while (cmd_token) {
1359 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1360 cmd_token = strtok(NULL, " ");
1361 }
1362 }
1363
1364 /* Now we still need this for compatibility with XEN. */
1365 bool has_igd_gfx_passthru;
1366 static void igd_gfx_passthru(void)
1367 {
1368 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1369 }
1370
1371 /***********************************************************/
1372 /* USB devices */
1373
1374 static int usb_device_add(const char *devname)
1375 {
1376 USBDevice *dev = NULL;
1377 #ifndef CONFIG_LINUX
1378 const char *p;
1379 #endif
1380
1381 if (!usb_enabled()) {
1382 return -1;
1383 }
1384
1385 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1386 dev = usbdevice_create(devname);
1387 if (dev)
1388 goto done;
1389
1390 /* the other ones */
1391 #ifndef CONFIG_LINUX
1392 /* only the linux version is qdev-ified, usb-bsd still needs this */
1393 if (strstart(devname, "host:", &p)) {
1394 dev = usb_host_device_open(usb_bus_find(-1), p);
1395 }
1396 #endif
1397 if (!dev)
1398 return -1;
1399
1400 done:
1401 return 0;
1402 }
1403
1404 static int usb_device_del(const char *devname)
1405 {
1406 int bus_num, addr;
1407 const char *p;
1408
1409 if (strstart(devname, "host:", &p)) {
1410 return -1;
1411 }
1412
1413 if (!usb_enabled()) {
1414 return -1;
1415 }
1416
1417 p = strchr(devname, '.');
1418 if (!p)
1419 return -1;
1420 bus_num = strtoul(devname, NULL, 0);
1421 addr = strtoul(p + 1, NULL, 0);
1422
1423 return usb_device_delete_addr(bus_num, addr);
1424 }
1425
1426 static int usb_parse(const char *cmdline)
1427 {
1428 int r;
1429 r = usb_device_add(cmdline);
1430 if (r < 0) {
1431 error_report("could not add USB device '%s'", cmdline);
1432 }
1433 return r;
1434 }
1435
1436 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1437 {
1438 const char *devname = qdict_get_str(qdict, "devname");
1439 if (usb_device_add(devname) < 0) {
1440 error_report("could not add USB device '%s'", devname);
1441 }
1442 }
1443
1444 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1445 {
1446 const char *devname = qdict_get_str(qdict, "devname");
1447 if (usb_device_del(devname) < 0) {
1448 error_report("could not delete USB device '%s'", devname);
1449 }
1450 }
1451
1452 /***********************************************************/
1453 /* machine registration */
1454
1455 MachineState *current_machine;
1456
1457 static MachineClass *find_machine(const char *name)
1458 {
1459 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1460 MachineClass *mc = NULL;
1461
1462 for (el = machines; el; el = el->next) {
1463 MachineClass *temp = el->data;
1464
1465 if (!strcmp(temp->name, name)) {
1466 mc = temp;
1467 break;
1468 }
1469 if (temp->alias &&
1470 !strcmp(temp->alias, name)) {
1471 mc = temp;
1472 break;
1473 }
1474 }
1475
1476 g_slist_free(machines);
1477 return mc;
1478 }
1479
1480 MachineClass *find_default_machine(void)
1481 {
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineClass *mc = NULL;
1484
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *temp = el->data;
1487
1488 if (temp->is_default) {
1489 mc = temp;
1490 break;
1491 }
1492 }
1493
1494 g_slist_free(machines);
1495 return mc;
1496 }
1497
1498 MachineInfoList *qmp_query_machines(Error **errp)
1499 {
1500 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1501 MachineInfoList *mach_list = NULL;
1502
1503 for (el = machines; el; el = el->next) {
1504 MachineClass *mc = el->data;
1505 MachineInfoList *entry;
1506 MachineInfo *info;
1507
1508 info = g_malloc0(sizeof(*info));
1509 if (mc->is_default) {
1510 info->has_is_default = true;
1511 info->is_default = true;
1512 }
1513
1514 if (mc->alias) {
1515 info->has_alias = true;
1516 info->alias = g_strdup(mc->alias);
1517 }
1518
1519 info->name = g_strdup(mc->name);
1520 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1521
1522 entry = g_malloc0(sizeof(*entry));
1523 entry->value = info;
1524 entry->next = mach_list;
1525 mach_list = entry;
1526 }
1527
1528 g_slist_free(machines);
1529 return mach_list;
1530 }
1531
1532 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1533 {
1534 ObjectProperty *prop;
1535 ObjectPropertyIterator iter;
1536
1537 if (!qemu_opt_has_help_opt(opts)) {
1538 return 0;
1539 }
1540
1541 object_property_iter_init(&iter, OBJECT(machine));
1542 while ((prop = object_property_iter_next(&iter))) {
1543 if (!prop->set) {
1544 continue;
1545 }
1546
1547 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1548 prop->name, prop->type);
1549 if (prop->description) {
1550 error_printf(" (%s)\n", prop->description);
1551 } else {
1552 error_printf("\n");
1553 }
1554 }
1555
1556 return 1;
1557 }
1558
1559 /***********************************************************/
1560 /* main execution loop */
1561
1562 struct vm_change_state_entry {
1563 VMChangeStateHandler *cb;
1564 void *opaque;
1565 QLIST_ENTRY (vm_change_state_entry) entries;
1566 };
1567
1568 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1569
1570 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1571 void *opaque)
1572 {
1573 VMChangeStateEntry *e;
1574
1575 e = g_malloc0(sizeof (*e));
1576
1577 e->cb = cb;
1578 e->opaque = opaque;
1579 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1580 return e;
1581 }
1582
1583 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1584 {
1585 QLIST_REMOVE (e, entries);
1586 g_free (e);
1587 }
1588
1589 void vm_state_notify(int running, RunState state)
1590 {
1591 VMChangeStateEntry *e, *next;
1592
1593 trace_vm_state_notify(running, state);
1594
1595 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1596 e->cb(e->opaque, running, state);
1597 }
1598 }
1599
1600 /* reset/shutdown handler */
1601
1602 typedef struct QEMUResetEntry {
1603 QTAILQ_ENTRY(QEMUResetEntry) entry;
1604 QEMUResetHandler *func;
1605 void *opaque;
1606 } QEMUResetEntry;
1607
1608 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1609 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1610 static int reset_requested;
1611 static int shutdown_requested, shutdown_signal = -1;
1612 static pid_t shutdown_pid;
1613 static int powerdown_requested;
1614 static int debug_requested;
1615 static int suspend_requested;
1616 static WakeupReason wakeup_reason;
1617 static NotifierList powerdown_notifiers =
1618 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1619 static NotifierList suspend_notifiers =
1620 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1621 static NotifierList wakeup_notifiers =
1622 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1623 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1624
1625 int qemu_shutdown_requested_get(void)
1626 {
1627 return shutdown_requested;
1628 }
1629
1630 int qemu_reset_requested_get(void)
1631 {
1632 return reset_requested;
1633 }
1634
1635 static int qemu_shutdown_requested(void)
1636 {
1637 return atomic_xchg(&shutdown_requested, 0);
1638 }
1639
1640 static void qemu_kill_report(void)
1641 {
1642 if (!qtest_driver() && shutdown_signal != -1) {
1643 if (shutdown_pid == 0) {
1644 /* This happens for eg ^C at the terminal, so it's worth
1645 * avoiding printing an odd message in that case.
1646 */
1647 error_report("terminating on signal %d", shutdown_signal);
1648 } else {
1649 error_report("terminating on signal %d from pid " FMT_pid,
1650 shutdown_signal, shutdown_pid);
1651 }
1652 shutdown_signal = -1;
1653 }
1654 }
1655
1656 static int qemu_reset_requested(void)
1657 {
1658 int r = reset_requested;
1659 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1660 reset_requested = 0;
1661 return r;
1662 }
1663 return false;
1664 }
1665
1666 static int qemu_suspend_requested(void)
1667 {
1668 int r = suspend_requested;
1669 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1670 suspend_requested = 0;
1671 return r;
1672 }
1673 return false;
1674 }
1675
1676 static WakeupReason qemu_wakeup_requested(void)
1677 {
1678 return wakeup_reason;
1679 }
1680
1681 static int qemu_powerdown_requested(void)
1682 {
1683 int r = powerdown_requested;
1684 powerdown_requested = 0;
1685 return r;
1686 }
1687
1688 static int qemu_debug_requested(void)
1689 {
1690 int r = debug_requested;
1691 debug_requested = 0;
1692 return r;
1693 }
1694
1695 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1696 {
1697 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1698
1699 re->func = func;
1700 re->opaque = opaque;
1701 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1702 }
1703
1704 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1705 {
1706 QEMUResetEntry *re;
1707
1708 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1709 if (re->func == func && re->opaque == opaque) {
1710 QTAILQ_REMOVE(&reset_handlers, re, entry);
1711 g_free(re);
1712 return;
1713 }
1714 }
1715 }
1716
1717 void qemu_devices_reset(void)
1718 {
1719 QEMUResetEntry *re, *nre;
1720
1721 /* reset all devices */
1722 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1723 re->func(re->opaque);
1724 }
1725 }
1726
1727 void qemu_system_reset(bool report)
1728 {
1729 MachineClass *mc;
1730
1731 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1732
1733 if (mc && mc->reset) {
1734 mc->reset();
1735 } else {
1736 qemu_devices_reset();
1737 }
1738 if (report) {
1739 qapi_event_send_reset(&error_abort);
1740 }
1741 cpu_synchronize_all_post_reset();
1742 }
1743
1744 void qemu_system_guest_panicked(void)
1745 {
1746 if (current_cpu) {
1747 current_cpu->crash_occurred = true;
1748 }
1749 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1750 vm_stop(RUN_STATE_GUEST_PANICKED);
1751 }
1752
1753 void qemu_system_reset_request(void)
1754 {
1755 if (no_reboot) {
1756 shutdown_requested = 1;
1757 } else {
1758 reset_requested = 1;
1759 }
1760 cpu_stop_current();
1761 qemu_notify_event();
1762 }
1763
1764 static void qemu_system_suspend(void)
1765 {
1766 pause_all_vcpus();
1767 notifier_list_notify(&suspend_notifiers, NULL);
1768 runstate_set(RUN_STATE_SUSPENDED);
1769 qapi_event_send_suspend(&error_abort);
1770 }
1771
1772 void qemu_system_suspend_request(void)
1773 {
1774 if (runstate_check(RUN_STATE_SUSPENDED)) {
1775 return;
1776 }
1777 suspend_requested = 1;
1778 cpu_stop_current();
1779 qemu_notify_event();
1780 }
1781
1782 void qemu_register_suspend_notifier(Notifier *notifier)
1783 {
1784 notifier_list_add(&suspend_notifiers, notifier);
1785 }
1786
1787 void qemu_system_wakeup_request(WakeupReason reason)
1788 {
1789 trace_system_wakeup_request(reason);
1790
1791 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1792 return;
1793 }
1794 if (!(wakeup_reason_mask & (1 << reason))) {
1795 return;
1796 }
1797 runstate_set(RUN_STATE_RUNNING);
1798 wakeup_reason = reason;
1799 qemu_notify_event();
1800 }
1801
1802 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1803 {
1804 if (enabled) {
1805 wakeup_reason_mask |= (1 << reason);
1806 } else {
1807 wakeup_reason_mask &= ~(1 << reason);
1808 }
1809 }
1810
1811 void qemu_register_wakeup_notifier(Notifier *notifier)
1812 {
1813 notifier_list_add(&wakeup_notifiers, notifier);
1814 }
1815
1816 void qemu_system_killed(int signal, pid_t pid)
1817 {
1818 shutdown_signal = signal;
1819 shutdown_pid = pid;
1820 no_shutdown = 0;
1821
1822 /* Cannot call qemu_system_shutdown_request directly because
1823 * we are in a signal handler.
1824 */
1825 shutdown_requested = 1;
1826 qemu_notify_event();
1827 }
1828
1829 void qemu_system_shutdown_request(void)
1830 {
1831 trace_qemu_system_shutdown_request();
1832 replay_shutdown_request();
1833 shutdown_requested = 1;
1834 qemu_notify_event();
1835 }
1836
1837 static void qemu_system_powerdown(void)
1838 {
1839 qapi_event_send_powerdown(&error_abort);
1840 notifier_list_notify(&powerdown_notifiers, NULL);
1841 }
1842
1843 void qemu_system_powerdown_request(void)
1844 {
1845 trace_qemu_system_powerdown_request();
1846 powerdown_requested = 1;
1847 qemu_notify_event();
1848 }
1849
1850 void qemu_register_powerdown_notifier(Notifier *notifier)
1851 {
1852 notifier_list_add(&powerdown_notifiers, notifier);
1853 }
1854
1855 void qemu_system_debug_request(void)
1856 {
1857 debug_requested = 1;
1858 qemu_notify_event();
1859 }
1860
1861 static bool main_loop_should_exit(void)
1862 {
1863 RunState r;
1864 if (qemu_debug_requested()) {
1865 vm_stop(RUN_STATE_DEBUG);
1866 }
1867 if (qemu_suspend_requested()) {
1868 qemu_system_suspend();
1869 }
1870 if (qemu_shutdown_requested()) {
1871 qemu_kill_report();
1872 qapi_event_send_shutdown(&error_abort);
1873 if (no_shutdown) {
1874 vm_stop(RUN_STATE_SHUTDOWN);
1875 } else {
1876 return true;
1877 }
1878 }
1879 if (qemu_reset_requested()) {
1880 pause_all_vcpus();
1881 cpu_synchronize_all_states();
1882 qemu_system_reset(VMRESET_REPORT);
1883 resume_all_vcpus();
1884 if (runstate_needs_reset()) {
1885 runstate_set(RUN_STATE_PAUSED);
1886 }
1887 }
1888 if (qemu_wakeup_requested()) {
1889 pause_all_vcpus();
1890 cpu_synchronize_all_states();
1891 qemu_system_reset(VMRESET_SILENT);
1892 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1893 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1894 resume_all_vcpus();
1895 qapi_event_send_wakeup(&error_abort);
1896 }
1897 if (qemu_powerdown_requested()) {
1898 qemu_system_powerdown();
1899 }
1900 if (qemu_vmstop_requested(&r)) {
1901 vm_stop(r);
1902 }
1903 return false;
1904 }
1905
1906 static void main_loop(void)
1907 {
1908 bool nonblocking;
1909 int last_io = 0;
1910 #ifdef CONFIG_PROFILER
1911 int64_t ti;
1912 #endif
1913 do {
1914 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1915 #ifdef CONFIG_PROFILER
1916 ti = profile_getclock();
1917 #endif
1918 last_io = main_loop_wait(nonblocking);
1919 #ifdef CONFIG_PROFILER
1920 dev_time += profile_getclock() - ti;
1921 #endif
1922 } while (!main_loop_should_exit());
1923 }
1924
1925 static void version(void)
1926 {
1927 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1928 }
1929
1930 static void help(int exitcode)
1931 {
1932 version();
1933 printf("usage: %s [options] [disk_image]\n\n"
1934 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1935 error_get_progname());
1936
1937 #define QEMU_OPTIONS_GENERATE_HELP
1938 #include "qemu-options-wrapper.h"
1939
1940 printf("\nDuring emulation, the following keys are useful:\n"
1941 "ctrl-alt-f toggle full screen\n"
1942 "ctrl-alt-n switch to virtual console 'n'\n"
1943 "ctrl-alt toggle mouse and keyboard grab\n"
1944 "\n"
1945 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1946
1947 exit(exitcode);
1948 }
1949
1950 #define HAS_ARG 0x0001
1951
1952 typedef struct QEMUOption {
1953 const char *name;
1954 int flags;
1955 int index;
1956 uint32_t arch_mask;
1957 } QEMUOption;
1958
1959 static const QEMUOption qemu_options[] = {
1960 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1961 #define QEMU_OPTIONS_GENERATE_OPTIONS
1962 #include "qemu-options-wrapper.h"
1963 { NULL },
1964 };
1965
1966 static bool vga_available(void)
1967 {
1968 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1969 }
1970
1971 static bool cirrus_vga_available(void)
1972 {
1973 return object_class_by_name("cirrus-vga")
1974 || object_class_by_name("isa-cirrus-vga");
1975 }
1976
1977 static bool vmware_vga_available(void)
1978 {
1979 return object_class_by_name("vmware-svga");
1980 }
1981
1982 static bool qxl_vga_available(void)
1983 {
1984 return object_class_by_name("qxl-vga");
1985 }
1986
1987 static bool tcx_vga_available(void)
1988 {
1989 return object_class_by_name("SUNW,tcx");
1990 }
1991
1992 static bool cg3_vga_available(void)
1993 {
1994 return object_class_by_name("cgthree");
1995 }
1996
1997 static bool virtio_vga_available(void)
1998 {
1999 return object_class_by_name("virtio-vga");
2000 }
2001
2002 static void select_vgahw (const char *p)
2003 {
2004 const char *opts;
2005
2006 assert(vga_interface_type == VGA_NONE);
2007 if (strstart(p, "std", &opts)) {
2008 if (vga_available()) {
2009 vga_interface_type = VGA_STD;
2010 } else {
2011 error_report("standard VGA not available");
2012 exit(0);
2013 }
2014 } else if (strstart(p, "cirrus", &opts)) {
2015 if (cirrus_vga_available()) {
2016 vga_interface_type = VGA_CIRRUS;
2017 } else {
2018 error_report("Cirrus VGA not available");
2019 exit(0);
2020 }
2021 } else if (strstart(p, "vmware", &opts)) {
2022 if (vmware_vga_available()) {
2023 vga_interface_type = VGA_VMWARE;
2024 } else {
2025 error_report("VMWare SVGA not available");
2026 exit(0);
2027 }
2028 } else if (strstart(p, "virtio", &opts)) {
2029 if (virtio_vga_available()) {
2030 vga_interface_type = VGA_VIRTIO;
2031 } else {
2032 error_report("Virtio VGA not available");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "xenfb", &opts)) {
2036 vga_interface_type = VGA_XENFB;
2037 } else if (strstart(p, "qxl", &opts)) {
2038 if (qxl_vga_available()) {
2039 vga_interface_type = VGA_QXL;
2040 } else {
2041 error_report("QXL VGA not available");
2042 exit(0);
2043 }
2044 } else if (strstart(p, "tcx", &opts)) {
2045 if (tcx_vga_available()) {
2046 vga_interface_type = VGA_TCX;
2047 } else {
2048 error_report("TCX framebuffer not available");
2049 exit(0);
2050 }
2051 } else if (strstart(p, "cg3", &opts)) {
2052 if (cg3_vga_available()) {
2053 vga_interface_type = VGA_CG3;
2054 } else {
2055 error_report("CG3 framebuffer not available");
2056 exit(0);
2057 }
2058 } else if (!strstart(p, "none", &opts)) {
2059 invalid_vga:
2060 error_report("unknown vga type: %s", p);
2061 exit(1);
2062 }
2063 while (*opts) {
2064 const char *nextopt;
2065
2066 if (strstart(opts, ",retrace=", &nextopt)) {
2067 opts = nextopt;
2068 if (strstart(opts, "dumb", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_DUMB;
2070 else if (strstart(opts, "precise", &nextopt))
2071 vga_retrace_method = VGA_RETRACE_PRECISE;
2072 else goto invalid_vga;
2073 } else goto invalid_vga;
2074 opts = nextopt;
2075 }
2076 }
2077
2078 static DisplayType select_display(const char *p)
2079 {
2080 const char *opts;
2081 DisplayType display = DT_DEFAULT;
2082
2083 if (strstart(p, "sdl", &opts)) {
2084 #ifdef CONFIG_SDL
2085 display = DT_SDL;
2086 while (*opts) {
2087 const char *nextopt;
2088
2089 if (strstart(opts, ",frame=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "on", &nextopt)) {
2092 no_frame = 0;
2093 } else if (strstart(opts, "off", &nextopt)) {
2094 no_frame = 1;
2095 } else {
2096 goto invalid_sdl_args;
2097 }
2098 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "on", &nextopt)) {
2101 alt_grab = 1;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 alt_grab = 0;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2108 opts = nextopt;
2109 if (strstart(opts, "on", &nextopt)) {
2110 ctrl_grab = 1;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 ctrl_grab = 0;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",window_close=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 no_quit = 0;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 no_quit = 1;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else if (strstart(opts, ",gl=", &nextopt)) {
2126 opts = nextopt;
2127 if (strstart(opts, "on", &nextopt)) {
2128 request_opengl = 1;
2129 } else if (strstart(opts, "off", &nextopt)) {
2130 request_opengl = 0;
2131 } else {
2132 goto invalid_sdl_args;
2133 }
2134 } else {
2135 invalid_sdl_args:
2136 error_report("invalid SDL option string");
2137 exit(1);
2138 }
2139 opts = nextopt;
2140 }
2141 #else
2142 error_report("SDL support is disabled");
2143 exit(1);
2144 #endif
2145 } else if (strstart(p, "vnc", &opts)) {
2146 #ifdef CONFIG_VNC
2147 if (*opts == '=') {
2148 Error *err = NULL;
2149 if (vnc_parse(opts + 1, &err) == NULL) {
2150 error_report_err(err);
2151 exit(1);
2152 }
2153 } else {
2154 error_report("VNC requires a display argument vnc=<display>");
2155 exit(1);
2156 }
2157 #else
2158 error_report("VNC support is disabled");
2159 exit(1);
2160 #endif
2161 } else if (strstart(p, "curses", &opts)) {
2162 #ifdef CONFIG_CURSES
2163 display = DT_CURSES;
2164 #else
2165 error_report("curses support is disabled");
2166 exit(1);
2167 #endif
2168 } else if (strstart(p, "gtk", &opts)) {
2169 #ifdef CONFIG_GTK
2170 display = DT_GTK;
2171 while (*opts) {
2172 const char *nextopt;
2173
2174 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2175 opts = nextopt;
2176 if (strstart(opts, "on", &nextopt)) {
2177 grab_on_hover = true;
2178 } else if (strstart(opts, "off", &nextopt)) {
2179 grab_on_hover = false;
2180 } else {
2181 goto invalid_gtk_args;
2182 }
2183 } else if (strstart(opts, ",gl=", &nextopt)) {
2184 opts = nextopt;
2185 if (strstart(opts, "on", &nextopt)) {
2186 request_opengl = 1;
2187 } else if (strstart(opts, "off", &nextopt)) {
2188 request_opengl = 0;
2189 } else {
2190 goto invalid_gtk_args;
2191 }
2192 } else {
2193 invalid_gtk_args:
2194 error_report("invalid GTK option string");
2195 exit(1);
2196 }
2197 opts = nextopt;
2198 }
2199 #else
2200 error_report("GTK support is disabled");
2201 exit(1);
2202 #endif
2203 } else if (strstart(p, "none", &opts)) {
2204 display = DT_NONE;
2205 } else {
2206 error_report("unknown display type");
2207 exit(1);
2208 }
2209
2210 return display;
2211 }
2212
2213 static int balloon_parse(const char *arg)
2214 {
2215 QemuOpts *opts;
2216
2217 if (strcmp(arg, "none") == 0) {
2218 return 0;
2219 }
2220
2221 if (!strncmp(arg, "virtio", 6)) {
2222 if (arg[6] == ',') {
2223 /* have params -> parse them */
2224 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2225 false);
2226 if (!opts)
2227 return -1;
2228 } else {
2229 /* create empty opts */
2230 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2231 &error_abort);
2232 }
2233 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2234 return 0;
2235 }
2236
2237 return -1;
2238 }
2239
2240 char *qemu_find_file(int type, const char *name)
2241 {
2242 int i;
2243 const char *subdir;
2244 char *buf;
2245
2246 /* Try the name as a straight path first */
2247 if (access(name, R_OK) == 0) {
2248 trace_load_file(name, name);
2249 return g_strdup(name);
2250 }
2251
2252 switch (type) {
2253 case QEMU_FILE_TYPE_BIOS:
2254 subdir = "";
2255 break;
2256 case QEMU_FILE_TYPE_KEYMAP:
2257 subdir = "keymaps/";
2258 break;
2259 default:
2260 abort();
2261 }
2262
2263 for (i = 0; i < data_dir_idx; i++) {
2264 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2265 if (access(buf, R_OK) == 0) {
2266 trace_load_file(name, buf);
2267 return buf;
2268 }
2269 g_free(buf);
2270 }
2271 return NULL;
2272 }
2273
2274 static inline bool nonempty_str(const char *str)
2275 {
2276 return str && *str;
2277 }
2278
2279 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2280 {
2281 gchar *buf;
2282 size_t size;
2283 const char *name, *file, *str;
2284
2285 if (opaque == NULL) {
2286 error_report("fw_cfg device not available");
2287 return -1;
2288 }
2289 name = qemu_opt_get(opts, "name");
2290 file = qemu_opt_get(opts, "file");
2291 str = qemu_opt_get(opts, "string");
2292
2293 /* we need name and either a file or the content string */
2294 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2295 error_report("invalid argument(s)");
2296 return -1;
2297 }
2298 if (nonempty_str(file) && nonempty_str(str)) {
2299 error_report("file and string are mutually exclusive");
2300 return -1;
2301 }
2302 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2303 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2304 return -1;
2305 }
2306 if (strncmp(name, "opt/", 4) != 0) {
2307 error_report("warning: externally provided fw_cfg item names "
2308 "should be prefixed with \"opt/\"");
2309 }
2310 if (nonempty_str(str)) {
2311 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2312 buf = g_memdup(str, size);
2313 } else {
2314 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2315 error_report("can't load %s", file);
2316 return -1;
2317 }
2318 }
2319 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2320 return 0;
2321 }
2322
2323 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 return qdev_device_help(opts);
2326 }
2327
2328 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 Error *err = NULL;
2331 DeviceState *dev;
2332
2333 dev = qdev_device_add(opts, &err);
2334 if (!dev) {
2335 error_report_err(err);
2336 return -1;
2337 }
2338 object_unref(OBJECT(dev));
2339 return 0;
2340 }
2341
2342 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2343 {
2344 Error *local_err = NULL;
2345
2346 qemu_chr_new_from_opts(opts, NULL, &local_err);
2347 if (local_err) {
2348 error_report_err(local_err);
2349 return -1;
2350 }
2351 return 0;
2352 }
2353
2354 #ifdef CONFIG_VIRTFS
2355 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2356 {
2357 int ret;
2358 ret = qemu_fsdev_add(opts);
2359
2360 return ret;
2361 }
2362 #endif
2363
2364 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365 {
2366 CharDriverState *chr;
2367 const char *chardev;
2368 const char *mode;
2369 int flags;
2370
2371 mode = qemu_opt_get(opts, "mode");
2372 if (mode == NULL) {
2373 mode = "readline";
2374 }
2375 if (strcmp(mode, "readline") == 0) {
2376 flags = MONITOR_USE_READLINE;
2377 } else if (strcmp(mode, "control") == 0) {
2378 flags = MONITOR_USE_CONTROL;
2379 } else {
2380 error_report("unknown monitor mode \"%s\"", mode);
2381 exit(1);
2382 }
2383
2384 if (qemu_opt_get_bool(opts, "pretty", 0))
2385 flags |= MONITOR_USE_PRETTY;
2386
2387 if (qemu_opt_get_bool(opts, "default", 0))
2388 flags |= MONITOR_IS_DEFAULT;
2389
2390 chardev = qemu_opt_get(opts, "chardev");
2391 chr = qemu_chr_find(chardev);
2392 if (chr == NULL) {
2393 error_report("chardev \"%s\" not found", chardev);
2394 exit(1);
2395 }
2396
2397 qemu_chr_fe_claim_no_fail(chr);
2398 monitor_init(chr, flags);
2399 return 0;
2400 }
2401
2402 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2403 {
2404 static int monitor_device_index = 0;
2405 Error *local_err = NULL;
2406 QemuOpts *opts;
2407 const char *p;
2408 char label[32];
2409 int def = 0;
2410
2411 if (strstart(optarg, "chardev:", &p)) {
2412 snprintf(label, sizeof(label), "%s", p);
2413 } else {
2414 snprintf(label, sizeof(label), "compat_monitor%d",
2415 monitor_device_index);
2416 if (monitor_device_index == 0) {
2417 def = 1;
2418 }
2419 opts = qemu_chr_parse_compat(label, optarg);
2420 if (!opts) {
2421 error_report("parse error: %s", optarg);
2422 exit(1);
2423 }
2424 }
2425
2426 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2427 if (!opts) {
2428 error_report_err(local_err);
2429 exit(1);
2430 }
2431 qemu_opt_set(opts, "mode", mode, &error_abort);
2432 qemu_opt_set(opts, "chardev", label, &error_abort);
2433 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2434 if (def)
2435 qemu_opt_set(opts, "default", "on", &error_abort);
2436 monitor_device_index++;
2437 }
2438
2439 struct device_config {
2440 enum {
2441 DEV_USB, /* -usbdevice */
2442 DEV_BT, /* -bt */
2443 DEV_SERIAL, /* -serial */
2444 DEV_PARALLEL, /* -parallel */
2445 DEV_VIRTCON, /* -virtioconsole */
2446 DEV_DEBUGCON, /* -debugcon */
2447 DEV_GDB, /* -gdb, -s */
2448 DEV_SCLP, /* s390 sclp */
2449 } type;
2450 const char *cmdline;
2451 Location loc;
2452 QTAILQ_ENTRY(device_config) next;
2453 };
2454
2455 static QTAILQ_HEAD(, device_config) device_configs =
2456 QTAILQ_HEAD_INITIALIZER(device_configs);
2457
2458 static void add_device_config(int type, const char *cmdline)
2459 {
2460 struct device_config *conf;
2461
2462 conf = g_malloc0(sizeof(*conf));
2463 conf->type = type;
2464 conf->cmdline = cmdline;
2465 loc_save(&conf->loc);
2466 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2467 }
2468
2469 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2470 {
2471 struct device_config *conf;
2472 int rc;
2473
2474 QTAILQ_FOREACH(conf, &device_configs, next) {
2475 if (conf->type != type)
2476 continue;
2477 loc_push_restore(&conf->loc);
2478 rc = func(conf->cmdline);
2479 loc_pop(&conf->loc);
2480 if (rc) {
2481 return rc;
2482 }
2483 }
2484 return 0;
2485 }
2486
2487 static int serial_parse(const char *devname)
2488 {
2489 static int index = 0;
2490 char label[32];
2491
2492 if (strcmp(devname, "none") == 0)
2493 return 0;
2494 if (index == MAX_SERIAL_PORTS) {
2495 error_report("too many serial ports");
2496 exit(1);
2497 }
2498 snprintf(label, sizeof(label), "serial%d", index);
2499 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2500 if (!serial_hds[index]) {
2501 error_report("could not connect serial device"
2502 " to character backend '%s'", devname);
2503 return -1;
2504 }
2505 index++;
2506 return 0;
2507 }
2508
2509 static int parallel_parse(const char *devname)
2510 {
2511 static int index = 0;
2512 char label[32];
2513
2514 if (strcmp(devname, "none") == 0)
2515 return 0;
2516 if (index == MAX_PARALLEL_PORTS) {
2517 error_report("too many parallel ports");
2518 exit(1);
2519 }
2520 snprintf(label, sizeof(label), "parallel%d", index);
2521 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2522 if (!parallel_hds[index]) {
2523 error_report("could not connect parallel device"
2524 " to character backend '%s'", devname);
2525 return -1;
2526 }
2527 index++;
2528 return 0;
2529 }
2530
2531 static int virtcon_parse(const char *devname)
2532 {
2533 QemuOptsList *device = qemu_find_opts("device");
2534 static int index = 0;
2535 char label[32];
2536 QemuOpts *bus_opts, *dev_opts;
2537
2538 if (strcmp(devname, "none") == 0)
2539 return 0;
2540 if (index == MAX_VIRTIO_CONSOLES) {
2541 error_report("too many virtio consoles");
2542 exit(1);
2543 }
2544
2545 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2546 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2547
2548 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2549 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2550
2551 snprintf(label, sizeof(label), "virtcon%d", index);
2552 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2553 if (!virtcon_hds[index]) {
2554 error_report("could not connect virtio console"
2555 " to character backend '%s'", devname);
2556 return -1;
2557 }
2558 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2559
2560 index++;
2561 return 0;
2562 }
2563
2564 static int sclp_parse(const char *devname)
2565 {
2566 QemuOptsList *device = qemu_find_opts("device");
2567 static int index = 0;
2568 char label[32];
2569 QemuOpts *dev_opts;
2570
2571 if (strcmp(devname, "none") == 0) {
2572 return 0;
2573 }
2574 if (index == MAX_SCLP_CONSOLES) {
2575 error_report("too many sclp consoles");
2576 exit(1);
2577 }
2578
2579 assert(arch_type == QEMU_ARCH_S390X);
2580
2581 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2582 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2583
2584 snprintf(label, sizeof(label), "sclpcon%d", index);
2585 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2586 if (!sclp_hds[index]) {
2587 error_report("could not connect sclp console"
2588 " to character backend '%s'", devname);
2589 return -1;
2590 }
2591 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2592
2593 index++;
2594 return 0;
2595 }
2596
2597 static int debugcon_parse(const char *devname)
2598 {
2599 QemuOpts *opts;
2600
2601 if (!qemu_chr_new("debugcon", devname, NULL)) {
2602 exit(1);
2603 }
2604 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2605 if (!opts) {
2606 error_report("already have a debugcon device");
2607 exit(1);
2608 }
2609 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2610 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2611 return 0;
2612 }
2613
2614 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2615 {
2616 const MachineClass *mc1 = a, *mc2 = b;
2617 int res;
2618
2619 if (mc1->family == NULL) {
2620 if (mc2->family == NULL) {
2621 /* Compare standalone machine types against each other; they sort
2622 * in increasing order.
2623 */
2624 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2625 object_class_get_name(OBJECT_CLASS(mc2)));
2626 }
2627
2628 /* Standalone machine types sort after families. */
2629 return 1;
2630 }
2631
2632 if (mc2->family == NULL) {
2633 /* Families sort before standalone machine types. */
2634 return -1;
2635 }
2636
2637 /* Families sort between each other alphabetically increasingly. */
2638 res = strcmp(mc1->family, mc2->family);
2639 if (res != 0) {
2640 return res;
2641 }
2642
2643 /* Within the same family, machine types sort in decreasing order. */
2644 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2645 object_class_get_name(OBJECT_CLASS(mc1)));
2646 }
2647
2648 static MachineClass *machine_parse(const char *name)
2649 {
2650 MachineClass *mc = NULL;
2651 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2652
2653 if (name) {
2654 mc = find_machine(name);
2655 }
2656 if (mc) {
2657 g_slist_free(machines);
2658 return mc;
2659 }
2660 if (name && !is_help_option(name)) {
2661 error_report("unsupported machine type");
2662 error_printf("Use -machine help to list supported machines\n");
2663 } else {
2664 printf("Supported machines are:\n");
2665 machines = g_slist_sort(machines, machine_class_cmp);
2666 for (el = machines; el; el = el->next) {
2667 MachineClass *mc = el->data;
2668 if (mc->alias) {
2669 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2670 }
2671 printf("%-20s %s%s\n", mc->name, mc->desc,
2672 mc->is_default ? " (default)" : "");
2673 }
2674 }
2675
2676 g_slist_free(machines);
2677 exit(!name || !is_help_option(name));
2678 }
2679
2680 void qemu_add_exit_notifier(Notifier *notify)
2681 {
2682 notifier_list_add(&exit_notifiers, notify);
2683 }
2684
2685 void qemu_remove_exit_notifier(Notifier *notify)
2686 {
2687 notifier_remove(notify);
2688 }
2689
2690 static void qemu_run_exit_notifiers(void)
2691 {
2692 notifier_list_notify(&exit_notifiers, NULL);
2693 }
2694
2695 static bool machine_init_done;
2696
2697 void qemu_add_machine_init_done_notifier(Notifier *notify)
2698 {
2699 notifier_list_add(&machine_init_done_notifiers, notify);
2700 if (machine_init_done) {
2701 notify->notify(notify, NULL);
2702 }
2703 }
2704
2705 static void qemu_run_machine_init_done_notifiers(void)
2706 {
2707 notifier_list_notify(&machine_init_done_notifiers, NULL);
2708 machine_init_done = true;
2709 }
2710
2711 static const QEMUOption *lookup_opt(int argc, char **argv,
2712 const char **poptarg, int *poptind)
2713 {
2714 const QEMUOption *popt;
2715 int optind = *poptind;
2716 char *r = argv[optind];
2717 const char *optarg;
2718
2719 loc_set_cmdline(argv, optind, 1);
2720 optind++;
2721 /* Treat --foo the same as -foo. */
2722 if (r[1] == '-')
2723 r++;
2724 popt = qemu_options;
2725 for(;;) {
2726 if (!popt->name) {
2727 error_report("invalid option");
2728 exit(1);
2729 }
2730 if (!strcmp(popt->name, r + 1))
2731 break;
2732 popt++;
2733 }
2734 if (popt->flags & HAS_ARG) {
2735 if (optind >= argc) {
2736 error_report("requires an argument");
2737 exit(1);
2738 }
2739 optarg = argv[optind++];
2740 loc_set_cmdline(argv, optind - 2, 2);
2741 } else {
2742 optarg = NULL;
2743 }
2744
2745 *poptarg = optarg;
2746 *poptind = optind;
2747
2748 return popt;
2749 }
2750
2751 static int machine_set_property(void *opaque,
2752 const char *name, const char *value,
2753 Error **errp)
2754 {
2755 Object *obj = OBJECT(opaque);
2756 Error *local_err = NULL;
2757 char *c, *qom_name;
2758
2759 if (strcmp(name, "type") == 0) {
2760 return 0;
2761 }
2762
2763 qom_name = g_strdup(name);
2764 c = qom_name;
2765 while (*c++) {
2766 if (*c == '_') {
2767 *c = '-';
2768 }
2769 }
2770
2771 object_property_parse(obj, value, qom_name, &local_err);
2772 g_free(qom_name);
2773
2774 if (local_err) {
2775 error_report_err(local_err);
2776 return -1;
2777 }
2778
2779 return 0;
2780 }
2781
2782
2783 /*
2784 * Initial object creation happens before all other
2785 * QEMU data types are created. The majority of objects
2786 * can be created at this point. The rng-egd object
2787 * cannot be created here, as it depends on the chardev
2788 * already existing.
2789 */
2790 static bool object_create_initial(const char *type)
2791 {
2792 if (g_str_equal(type, "rng-egd")) {
2793 return false;
2794 }
2795
2796 /*
2797 * return false for concrete netfilters since
2798 * they depend on netdevs already existing
2799 */
2800 if (g_str_equal(type, "filter-buffer") ||
2801 g_str_equal(type, "filter-dump")) {
2802 return false;
2803 }
2804
2805 return true;
2806 }
2807
2808
2809 /*
2810 * The remainder of object creation happens after the
2811 * creation of chardev, fsdev, net clients and device data types.
2812 */
2813 static bool object_create_delayed(const char *type)
2814 {
2815 return !object_create_initial(type);
2816 }
2817
2818
2819 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2820 {
2821 Error *err = NULL;
2822 Error *err_end = NULL;
2823 char *type = NULL;
2824 char *id = NULL;
2825 OptsVisitor *ov;
2826 QDict *pdict;
2827 bool (*type_predicate)(const char *) = opaque;
2828 Visitor *v;
2829
2830 ov = opts_visitor_new(opts);
2831 pdict = qemu_opts_to_qdict(opts, NULL);
2832 v = opts_get_visitor(ov);
2833
2834 visit_start_struct(v, NULL, NULL, 0, &err);
2835 if (err) {
2836 goto out;
2837 }
2838
2839 qdict_del(pdict, "qom-type");
2840 visit_type_str(v, "qom-type", &type, &err);
2841 if (err) {
2842 goto out;
2843 }
2844 if (!type_predicate(type)) {
2845 visit_end_struct(v, NULL);
2846 goto out;
2847 }
2848
2849 qdict_del(pdict, "id");
2850 visit_type_str(v, "id", &id, &err);
2851 if (err) {
2852 goto out_end;
2853 }
2854
2855 object_add(type, id, pdict, v, &err);
2856
2857 out_end:
2858 visit_end_struct(v, &err_end);
2859 if (!err && err_end) {
2860 qmp_object_del(id, NULL);
2861 }
2862 error_propagate(&err, err_end);
2863
2864 out:
2865 opts_visitor_cleanup(ov);
2866
2867 QDECREF(pdict);
2868 g_free(id);
2869 g_free(type);
2870 if (err) {
2871 error_report_err(err);
2872 return -1;
2873 }
2874 return 0;
2875 }
2876
2877 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2878 MachineClass *mc)
2879 {
2880 uint64_t sz;
2881 const char *mem_str;
2882 const char *maxmem_str, *slots_str;
2883 const ram_addr_t default_ram_size = mc->default_ram_size;
2884 QemuOpts *opts = qemu_find_opts_singleton("memory");
2885
2886 sz = 0;
2887 mem_str = qemu_opt_get(opts, "size");
2888 if (mem_str) {
2889 if (!*mem_str) {
2890 error_report("missing 'size' option value");
2891 exit(EXIT_FAILURE);
2892 }
2893
2894 sz = qemu_opt_get_size(opts, "size", ram_size);
2895
2896 /* Fix up legacy suffix-less format */
2897 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2898 uint64_t overflow_check = sz;
2899
2900 sz <<= 20;
2901 if ((sz >> 20) != overflow_check) {
2902 error_report("too large 'size' option value");
2903 exit(EXIT_FAILURE);
2904 }
2905 }
2906 }
2907
2908 /* backward compatibility behaviour for case "-m 0" */
2909 if (sz == 0) {
2910 sz = default_ram_size;
2911 }
2912
2913 sz = QEMU_ALIGN_UP(sz, 8192);
2914 ram_size = sz;
2915 if (ram_size != sz) {
2916 error_report("ram size too large");
2917 exit(EXIT_FAILURE);
2918 }
2919
2920 /* store value for the future use */
2921 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2922 *maxram_size = ram_size;
2923
2924 maxmem_str = qemu_opt_get(opts, "maxmem");
2925 slots_str = qemu_opt_get(opts, "slots");
2926 if (maxmem_str && slots_str) {
2927 uint64_t slots;
2928
2929 sz = qemu_opt_get_size(opts, "maxmem", 0);
2930 slots = qemu_opt_get_number(opts, "slots", 0);
2931 if (sz < ram_size) {
2932 error_report("invalid value of -m option maxmem: "
2933 "maximum memory size (0x%" PRIx64 ") must be at least "
2934 "the initial memory size (0x" RAM_ADDR_FMT ")",
2935 sz, ram_size);
2936 exit(EXIT_FAILURE);
2937 } else if (sz > ram_size) {
2938 if (!slots) {
2939 error_report("invalid value of -m option: maxmem was "
2940 "specified, but no hotplug slots were specified");
2941 exit(EXIT_FAILURE);
2942 }
2943 } else if (slots) {
2944 error_report("invalid value of -m option maxmem: "
2945 "memory slots were specified but maximum memory size "
2946 "(0x%" PRIx64 ") is equal to the initial memory size "
2947 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2948 exit(EXIT_FAILURE);
2949 }
2950
2951 *maxram_size = sz;
2952 *ram_slots = slots;
2953 } else if ((!maxmem_str && slots_str) ||
2954 (maxmem_str && !slots_str)) {
2955 error_report("invalid -m option value: missing "
2956 "'%s' option", slots_str ? "maxmem" : "slots");
2957 exit(EXIT_FAILURE);
2958 }
2959 }
2960
2961 int main(int argc, char **argv, char **envp)
2962 {
2963 int i;
2964 int snapshot, linux_boot;
2965 const char *initrd_filename;
2966 const char *kernel_filename, *kernel_cmdline;
2967 const char *boot_order = NULL;
2968 const char *boot_once = NULL;
2969 DisplayState *ds;
2970 int cyls, heads, secs, translation;
2971 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2972 QemuOptsList *olist;
2973 int optind;
2974 const char *optarg;
2975 const char *loadvm = NULL;
2976 MachineClass *machine_class;
2977 const char *cpu_model;
2978 const char *vga_model = NULL;
2979 const char *qtest_chrdev = NULL;
2980 const char *qtest_log = NULL;
2981 const char *pid_file = NULL;
2982 const char *incoming = NULL;
2983 #ifdef CONFIG_VNC
2984 int show_vnc_port = 0;
2985 #endif
2986 bool defconfig = true;
2987 bool userconfig = true;
2988 const char *log_mask = NULL;
2989 const char *log_file = NULL;
2990 char *trace_file = NULL;
2991 ram_addr_t maxram_size;
2992 uint64_t ram_slots = 0;
2993 FILE *vmstate_dump_file = NULL;
2994 Error *main_loop_err = NULL;
2995 Error *err = NULL;
2996
2997 qemu_init_cpu_loop();
2998 qemu_mutex_lock_iothread();
2999
3000 atexit(qemu_run_exit_notifiers);
3001 error_set_progname(argv[0]);
3002 qemu_init_exec_dir(argv[0]);
3003
3004 module_call_init(MODULE_INIT_QOM);
3005
3006 qemu_add_opts(&qemu_drive_opts);
3007 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3008 qemu_add_drive_opts(&qemu_common_drive_opts);
3009 qemu_add_drive_opts(&qemu_drive_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_net_opts);
3014 qemu_add_opts(&qemu_rtc_opts);
3015 qemu_add_opts(&qemu_global_opts);
3016 qemu_add_opts(&qemu_mon_opts);
3017 qemu_add_opts(&qemu_trace_opts);
3018 qemu_add_opts(&qemu_option_rom_opts);
3019 qemu_add_opts(&qemu_machine_opts);
3020 qemu_add_opts(&qemu_mem_opts);
3021 qemu_add_opts(&qemu_smp_opts);
3022 qemu_add_opts(&qemu_boot_opts);
3023 qemu_add_opts(&qemu_sandbox_opts);
3024 qemu_add_opts(&qemu_add_fd_opts);
3025 qemu_add_opts(&qemu_object_opts);
3026 qemu_add_opts(&qemu_tpmdev_opts);
3027 qemu_add_opts(&qemu_realtime_opts);
3028 qemu_add_opts(&qemu_msg_opts);
3029 qemu_add_opts(&qemu_name_opts);
3030 qemu_add_opts(&qemu_numa_opts);
3031 qemu_add_opts(&qemu_icount_opts);
3032 qemu_add_opts(&qemu_semihosting_config_opts);
3033 qemu_add_opts(&qemu_fw_cfg_opts);
3034
3035 runstate_init();
3036
3037 if (qcrypto_init(&err) < 0) {
3038 error_reportf_err(err, "cannot initialize crypto: ");
3039 exit(1);
3040 }
3041 rtc_clock = QEMU_CLOCK_HOST;
3042
3043 QLIST_INIT (&vm_change_state_head);
3044 os_setup_early_signal_handling();
3045
3046 module_call_init(MODULE_INIT_MACHINE);
3047 machine_class = find_default_machine();
3048 cpu_model = NULL;
3049 snapshot = 0;
3050 cyls = heads = secs = 0;
3051 translation = BIOS_ATA_TRANSLATION_AUTO;
3052
3053 nb_nics = 0;
3054
3055 bdrv_init_with_whitelist();
3056
3057 autostart = 1;
3058
3059 /* first pass of option parsing */
3060 optind = 1;
3061 while (optind < argc) {
3062 if (argv[optind][0] != '-') {
3063 /* disk image */
3064 optind++;
3065 } else {
3066 const QEMUOption *popt;
3067
3068 popt = lookup_opt(argc, argv, &optarg, &optind);
3069 switch (popt->index) {
3070 case QEMU_OPTION_nodefconfig:
3071 defconfig = false;
3072 break;
3073 case QEMU_OPTION_nouserconfig:
3074 userconfig = false;
3075 break;
3076 }
3077 }
3078 }
3079
3080 if (defconfig) {
3081 int ret;
3082 ret = qemu_read_default_config_files(userconfig);
3083 if (ret < 0) {
3084 exit(1);
3085 }
3086 }
3087
3088 /* second pass of option parsing */
3089 optind = 1;
3090 for(;;) {
3091 if (optind >= argc)
3092 break;
3093 if (argv[optind][0] != '-') {
3094 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3095 } else {
3096 const QEMUOption *popt;
3097
3098 popt = lookup_opt(argc, argv, &optarg, &optind);
3099 if (!(popt->arch_mask & arch_type)) {
3100 printf("Option %s not supported for this target\n", popt->name);
3101 exit(1);
3102 }
3103 switch(popt->index) {
3104 case QEMU_OPTION_no_kvm_irqchip: {
3105 olist = qemu_find_opts("machine");
3106 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3107 break;
3108 }
3109 case QEMU_OPTION_cpu:
3110 /* hw initialization will check this */
3111 cpu_model = optarg;
3112 break;
3113 case QEMU_OPTION_hda:
3114 {
3115 char buf[256];
3116 if (cyls == 0)
3117 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3118 else
3119 snprintf(buf, sizeof(buf),
3120 "%s,cyls=%d,heads=%d,secs=%d%s",
3121 HD_OPTS , cyls, heads, secs,
3122 translation == BIOS_ATA_TRANSLATION_LBA ?
3123 ",trans=lba" :
3124 translation == BIOS_ATA_TRANSLATION_NONE ?
3125 ",trans=none" : "");
3126 drive_add(IF_DEFAULT, 0, optarg, buf);
3127 break;
3128 }
3129 case QEMU_OPTION_hdb:
3130 case QEMU_OPTION_hdc:
3131 case QEMU_OPTION_hdd:
3132 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3133 HD_OPTS);
3134 break;
3135 case QEMU_OPTION_drive:
3136 if (drive_def(optarg) == NULL) {
3137 exit(1);
3138 }
3139 break;
3140 case QEMU_OPTION_set:
3141 if (qemu_set_option(optarg) != 0)
3142 exit(1);
3143 break;
3144 case QEMU_OPTION_global:
3145 if (qemu_global_option(optarg) != 0)
3146 exit(1);
3147 break;
3148 case QEMU_OPTION_mtdblock:
3149 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3150 break;
3151 case QEMU_OPTION_sd:
3152 drive_add(IF_SD, -1, optarg, SD_OPTS);
3153 break;
3154 case QEMU_OPTION_pflash:
3155 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3156 break;
3157 case QEMU_OPTION_snapshot:
3158 snapshot = 1;
3159 break;
3160 case QEMU_OPTION_hdachs:
3161 {
3162 const char *p;
3163 p = optarg;
3164 cyls = strtol(p, (char **)&p, 0);
3165 if (cyls < 1 || cyls > 16383)
3166 goto chs_fail;
3167 if (*p != ',')
3168 goto chs_fail;
3169 p++;
3170 heads = strtol(p, (char **)&p, 0);
3171 if (heads < 1 || heads > 16)
3172 goto chs_fail;
3173 if (*p != ',')
3174 goto chs_fail;
3175 p++;
3176 secs = strtol(p, (char **)&p, 0);
3177 if (secs < 1 || secs > 63)
3178 goto chs_fail;
3179 if (*p == ',') {
3180 p++;
3181 if (!strcmp(p, "large")) {
3182 translation = BIOS_ATA_TRANSLATION_LARGE;
3183 } else if (!strcmp(p, "rechs")) {
3184 translation = BIOS_ATA_TRANSLATION_RECHS;
3185 } else if (!strcmp(p, "none")) {
3186 translation = BIOS_ATA_TRANSLATION_NONE;
3187 } else if (!strcmp(p, "lba")) {
3188 translation = BIOS_ATA_TRANSLATION_LBA;
3189 } else if (!strcmp(p, "auto")) {
3190 translation = BIOS_ATA_TRANSLATION_AUTO;
3191 } else {
3192 goto chs_fail;
3193 }
3194 } else if (*p != '\0') {
3195 chs_fail:
3196 error_report("invalid physical CHS format");
3197 exit(1);
3198 }
3199 if (hda_opts != NULL) {
3200 qemu_opt_set_number(hda_opts, "cyls", cyls,
3201 &error_abort);
3202 qemu_opt_set_number(hda_opts, "heads", heads,
3203 &error_abort);
3204 qemu_opt_set_number(hda_opts, "secs", secs,
3205 &error_abort);
3206 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3207 qemu_opt_set(hda_opts, "trans", "large",
3208 &error_abort);
3209 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3210 qemu_opt_set(hda_opts, "trans", "rechs",
3211 &error_abort);
3212 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3213 qemu_opt_set(hda_opts, "trans", "lba",
3214 &error_abort);
3215 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3216 qemu_opt_set(hda_opts, "trans", "none",
3217 &error_abort);
3218 }
3219 }
3220 }
3221 break;
3222 case QEMU_OPTION_numa:
3223 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3224 optarg, true);
3225 if (!opts) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_display:
3230 display_type = select_display(optarg);
3231 break;
3232 case QEMU_OPTION_nographic:
3233 display_type = DT_NOGRAPHIC;
3234 break;
3235 case QEMU_OPTION_curses:
3236 #ifdef CONFIG_CURSES
3237 display_type = DT_CURSES;
3238 #else
3239 error_report("curses support is disabled");
3240 exit(1);
3241 #endif
3242 break;
3243 case QEMU_OPTION_portrait:
3244 graphic_rotate = 90;
3245 break;
3246 case QEMU_OPTION_rotate:
3247 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3248 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3249 graphic_rotate != 180 && graphic_rotate != 270) {
3250 error_report("only 90, 180, 270 deg rotation is available");
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_kernel:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_initrd:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3260 &error_abort);
3261 break;
3262 case QEMU_OPTION_append:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_dtb:
3267 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3268 &error_abort);
3269 break;
3270 case QEMU_OPTION_cdrom:
3271 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3272 break;
3273 case QEMU_OPTION_boot:
3274 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3275 optarg, true);
3276 if (!opts) {
3277 exit(1);
3278 }
3279 break;
3280 case QEMU_OPTION_fda:
3281 case QEMU_OPTION_fdb:
3282 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3283 optarg, FD_OPTS);
3284 break;
3285 case QEMU_OPTION_no_fd_bootchk:
3286 fd_bootchk = 0;
3287 break;
3288 case QEMU_OPTION_netdev:
3289 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3290 exit(1);
3291 }
3292 break;
3293 case QEMU_OPTION_net:
3294 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3295 exit(1);
3296 }
3297 break;
3298 #ifdef CONFIG_LIBISCSI
3299 case QEMU_OPTION_iscsi:
3300 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3301 optarg, false);
3302 if (!opts) {
3303 exit(1);
3304 }
3305 break;
3306 #endif
3307 #ifdef CONFIG_SLIRP
3308 case QEMU_OPTION_tftp:
3309 error_report("The -tftp option is deprecated. "
3310 "Please use '-netdev user,tftp=...' instead.");
3311 legacy_tftp_prefix = optarg;
3312 break;
3313 case QEMU_OPTION_bootp:
3314 error_report("The -bootp option is deprecated. "
3315 "Please use '-netdev user,bootfile=...' instead.");
3316 legacy_bootp_filename = optarg;
3317 break;
3318 case QEMU_OPTION_redir:
3319 error_report("The -redir option is deprecated. "
3320 "Please use '-netdev user,hostfwd=...' instead.");
3321 if (net_slirp_redir(optarg) < 0)
3322 exit(1);
3323 break;
3324 #endif
3325 case QEMU_OPTION_bt:
3326 add_device_config(DEV_BT, optarg);
3327 break;
3328 case QEMU_OPTION_audio_help:
3329 AUD_help ();
3330 exit (0);
3331 break;
3332 case QEMU_OPTION_soundhw:
3333 select_soundhw (optarg);
3334 break;
3335 case QEMU_OPTION_h:
3336 help(0);
3337 break;
3338 case QEMU_OPTION_version:
3339 version();
3340 exit(0);
3341 break;
3342 case QEMU_OPTION_m:
3343 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3344 optarg, true);
3345 if (!opts) {
3346 exit(EXIT_FAILURE);
3347 }
3348 break;
3349 #ifdef CONFIG_TPM
3350 case QEMU_OPTION_tpmdev:
3351 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3352 exit(1);
3353 }
3354 break;
3355 #endif
3356 case QEMU_OPTION_mempath:
3357 mem_path = optarg;
3358 break;
3359 case QEMU_OPTION_mem_prealloc:
3360 mem_prealloc = 1;
3361 break;
3362 case QEMU_OPTION_d:
3363 log_mask = optarg;
3364 break;
3365 case QEMU_OPTION_D:
3366 log_file = optarg;
3367 break;
3368 case QEMU_OPTION_s:
3369 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3370 break;
3371 case QEMU_OPTION_gdb:
3372 add_device_config(DEV_GDB, optarg);
3373 break;
3374 case QEMU_OPTION_L:
3375 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3376 data_dir[data_dir_idx++] = optarg;
3377 }
3378 break;
3379 case QEMU_OPTION_bios:
3380 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3381 &error_abort);
3382 break;
3383 case QEMU_OPTION_singlestep:
3384 singlestep = 1;
3385 break;
3386 case QEMU_OPTION_S:
3387 autostart = 0;
3388 break;
3389 case QEMU_OPTION_k:
3390 keyboard_layout = optarg;
3391 break;
3392 case QEMU_OPTION_localtime:
3393 rtc_utc = 0;
3394 break;
3395 case QEMU_OPTION_vga:
3396 vga_model = optarg;
3397 default_vga = 0;
3398 break;
3399 case QEMU_OPTION_g:
3400 {
3401 const char *p;
3402 int w, h, depth;
3403 p = optarg;
3404 w = strtol(p, (char **)&p, 10);
3405 if (w <= 0) {
3406 graphic_error:
3407 error_report("invalid resolution or depth");
3408 exit(1);
3409 }
3410 if (*p != 'x')
3411 goto graphic_error;
3412 p++;
3413 h = strtol(p, (char **)&p, 10);
3414 if (h <= 0)
3415 goto graphic_error;
3416 if (*p == 'x') {
3417 p++;
3418 depth = strtol(p, (char **)&p, 10);
3419 if (depth != 8 && depth != 15 && depth != 16 &&
3420 depth != 24 && depth != 32)
3421 goto graphic_error;
3422 } else if (*p == '\0') {
3423 depth = graphic_depth;
3424 } else {
3425 goto graphic_error;
3426 }
3427
3428 graphic_width = w;
3429 graphic_height = h;
3430 graphic_depth = depth;
3431 }
3432 break;
3433 case QEMU_OPTION_echr:
3434 {
3435 char *r;
3436 term_escape_char = strtol(optarg, &r, 0);
3437 if (r == optarg)
3438 printf("Bad argument to echr\n");
3439 break;
3440 }
3441 case QEMU_OPTION_monitor:
3442 default_monitor = 0;
3443 if (strncmp(optarg, "none", 4)) {
3444 monitor_parse(optarg, "readline", false);
3445 }
3446 break;
3447 case QEMU_OPTION_qmp:
3448 monitor_parse(optarg, "control", false);
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_qmp_pretty:
3452 monitor_parse(optarg, "control", true);
3453 default_monitor = 0;
3454 break;
3455 case QEMU_OPTION_mon:
3456 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3457 true);
3458 if (!opts) {
3459 exit(1);
3460 }
3461 default_monitor = 0;
3462 break;
3463 case QEMU_OPTION_chardev:
3464 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3465 optarg, true);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 break;
3470 case QEMU_OPTION_fsdev:
3471 olist = qemu_find_opts("fsdev");
3472 if (!olist) {
3473 error_report("fsdev support is disabled");
3474 exit(1);
3475 }
3476 opts = qemu_opts_parse_noisily(olist, optarg, true);
3477 if (!opts) {
3478 exit(1);
3479 }
3480 break;
3481 case QEMU_OPTION_virtfs: {
3482 QemuOpts *fsdev;
3483 QemuOpts *device;
3484 const char *writeout, *sock_fd, *socket;
3485
3486 olist = qemu_find_opts("virtfs");
3487 if (!olist) {
3488 error_report("virtfs support is disabled");
3489 exit(1);
3490 }
3491 opts = qemu_opts_parse_noisily(olist, optarg, true);
3492 if (!opts) {
3493 exit(1);
3494 }
3495
3496 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3497 qemu_opt_get(opts, "mount_tag") == NULL) {
3498 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3499 exit(1);
3500 }
3501 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3502 qemu_opt_get(opts, "mount_tag"),
3503 1, NULL);
3504 if (!fsdev) {
3505 error_report("duplicate fsdev id: %s",
3506 qemu_opt_get(opts, "mount_tag"));
3507 exit(1);
3508 }
3509
3510 writeout = qemu_opt_get(opts, "writeout");
3511 if (writeout) {
3512 #ifdef CONFIG_SYNC_FILE_RANGE
3513 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3514 #else
3515 error_report("writeout=immediate not supported "
3516 "on this platform");
3517 exit(1);
3518 #endif
3519 }
3520 qemu_opt_set(fsdev, "fsdriver",
3521 qemu_opt_get(opts, "fsdriver"), &error_abort);
3522 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3523 &error_abort);
3524 qemu_opt_set(fsdev, "security_model",
3525 qemu_opt_get(opts, "security_model"),
3526 &error_abort);
3527 socket = qemu_opt_get(opts, "socket");
3528 if (socket) {
3529 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3530 }
3531 sock_fd = qemu_opt_get(opts, "sock_fd");
3532 if (sock_fd) {
3533 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3534 }
3535
3536 qemu_opt_set_bool(fsdev, "readonly",
3537 qemu_opt_get_bool(opts, "readonly", 0),
3538 &error_abort);
3539 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3540 &error_abort);
3541 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3542 qemu_opt_set(device, "fsdev",
3543 qemu_opt_get(opts, "mount_tag"), &error_abort);
3544 qemu_opt_set(device, "mount_tag",
3545 qemu_opt_get(opts, "mount_tag"), &error_abort);
3546 break;
3547 }
3548 case QEMU_OPTION_virtfs_synth: {
3549 QemuOpts *fsdev;
3550 QemuOpts *device;
3551
3552 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3553 1, NULL);
3554 if (!fsdev) {
3555 error_report("duplicate option: %s", "virtfs_synth");
3556 exit(1);
3557 }
3558 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3559
3560 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3561 &error_abort);
3562 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3563 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3564 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3565 break;
3566 }
3567 case QEMU_OPTION_serial:
3568 add_device_config(DEV_SERIAL, optarg);
3569 default_serial = 0;
3570 if (strncmp(optarg, "mon:", 4) == 0) {
3571 default_monitor = 0;
3572 }
3573 break;
3574 case QEMU_OPTION_watchdog:
3575 if (watchdog) {
3576 error_report("only one watchdog option may be given");
3577 return 1;
3578 }
3579 watchdog = optarg;
3580 break;
3581 case QEMU_OPTION_watchdog_action:
3582 if (select_watchdog_action(optarg) == -1) {
3583 error_report("unknown -watchdog-action parameter");
3584 exit(1);
3585 }
3586 break;
3587 case QEMU_OPTION_virtiocon:
3588 add_device_config(DEV_VIRTCON, optarg);
3589 default_virtcon = 0;
3590 if (strncmp(optarg, "mon:", 4) == 0) {
3591 default_monitor = 0;
3592 }
3593 break;
3594 case QEMU_OPTION_parallel:
3595 add_device_config(DEV_PARALLEL, optarg);
3596 default_parallel = 0;
3597 if (strncmp(optarg, "mon:", 4) == 0) {
3598 default_monitor = 0;
3599 }
3600 break;
3601 case QEMU_OPTION_debugcon:
3602 add_device_config(DEV_DEBUGCON, optarg);
3603 break;
3604 case QEMU_OPTION_loadvm:
3605 loadvm = optarg;
3606 break;
3607 case QEMU_OPTION_full_screen:
3608 full_screen = 1;
3609 break;
3610 case QEMU_OPTION_no_frame:
3611 no_frame = 1;
3612 break;
3613 case QEMU_OPTION_alt_grab:
3614 alt_grab = 1;
3615 break;
3616 case QEMU_OPTION_ctrl_grab:
3617 ctrl_grab = 1;
3618 break;
3619 case QEMU_OPTION_no_quit:
3620 no_quit = 1;
3621 break;
3622 case QEMU_OPTION_sdl:
3623 #ifdef CONFIG_SDL
3624 display_type = DT_SDL;
3625 break;
3626 #else
3627 error_report("SDL support is disabled");
3628 exit(1);
3629 #endif
3630 case QEMU_OPTION_pidfile:
3631 pid_file = optarg;
3632 break;
3633 case QEMU_OPTION_win2k_hack:
3634 win2k_install_hack = 1;
3635 break;
3636 case QEMU_OPTION_rtc_td_hack: {
3637 static GlobalProperty slew_lost_ticks[] = {
3638 {
3639 .driver = "mc146818rtc",
3640 .property = "lost_tick_policy",
3641 .value = "slew",
3642 },
3643 { /* end of list */ }
3644 };
3645
3646 qdev_prop_register_global_list(slew_lost_ticks);
3647 break;
3648 }
3649 case QEMU_OPTION_acpitable:
3650 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3651 optarg, true);
3652 if (!opts) {
3653 exit(1);
3654 }
3655 do_acpitable_option(opts);
3656 break;
3657 case QEMU_OPTION_smbios:
3658 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3659 optarg, false);
3660 if (!opts) {
3661 exit(1);
3662 }
3663 do_smbios_option(opts);
3664 break;
3665 case QEMU_OPTION_fwcfg:
3666 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3667 optarg, true);
3668 if (opts == NULL) {
3669 exit(1);
3670 }
3671 break;
3672 case QEMU_OPTION_enable_kvm:
3673 olist = qemu_find_opts("machine");
3674 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3675 break;
3676 case QEMU_OPTION_M:
3677 case QEMU_OPTION_machine:
3678 olist = qemu_find_opts("machine");
3679 opts = qemu_opts_parse_noisily(olist, optarg, true);
3680 if (!opts) {
3681 exit(1);
3682 }
3683 break;
3684 case QEMU_OPTION_no_kvm:
3685 olist = qemu_find_opts("machine");
3686 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3687 break;
3688 case QEMU_OPTION_no_kvm_pit: {
3689 error_report("warning: ignoring deprecated option");
3690 break;
3691 }
3692 case QEMU_OPTION_no_kvm_pit_reinjection: {
3693 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3694 {
3695 .driver = "kvm-pit",
3696 .property = "lost_tick_policy",
3697 .value = "discard",
3698 },
3699 { /* end of list */ }
3700 };
3701
3702 error_report("warning: deprecated, replaced by "
3703 "-global kvm-pit.lost_tick_policy=discard");
3704 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3705 break;
3706 }
3707 case QEMU_OPTION_usb:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "usb=on", false);
3710 break;
3711 case QEMU_OPTION_usbdevice:
3712 olist = qemu_find_opts("machine");
3713 qemu_opts_parse_noisily(olist, "usb=on", false);
3714 add_device_config(DEV_USB, optarg);
3715 break;
3716 case QEMU_OPTION_device:
3717 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3718 optarg, true)) {
3719 exit(1);
3720 }
3721 break;
3722 case QEMU_OPTION_smp:
3723 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3724 optarg, true)) {
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_vnc:
3729 {
3730 #ifdef CONFIG_VNC
3731 Error *local_err = NULL;
3732
3733 if (vnc_parse(optarg, &local_err) == NULL) {
3734 error_report_err(local_err);
3735 exit(1);
3736 }
3737 #else
3738 error_report("VNC support is disabled");
3739 exit(1);
3740 #endif
3741 break;
3742 }
3743 case QEMU_OPTION_no_acpi:
3744 acpi_enabled = 0;
3745 break;
3746 case QEMU_OPTION_no_hpet:
3747 no_hpet = 1;
3748 break;
3749 case QEMU_OPTION_balloon:
3750 if (balloon_parse(optarg) < 0) {
3751 error_report("unknown -balloon argument %s", optarg);
3752 exit(1);
3753 }
3754 break;
3755 case QEMU_OPTION_no_reboot:
3756 no_reboot = 1;
3757 break;
3758 case QEMU_OPTION_no_shutdown:
3759 no_shutdown = 1;
3760 break;
3761 case QEMU_OPTION_show_cursor:
3762 cursor_hide = 0;
3763 break;
3764 case QEMU_OPTION_uuid:
3765 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3766 error_report("failed to parse UUID string: wrong format");
3767 exit(1);
3768 }
3769 qemu_uuid_set = true;
3770 break;
3771 case QEMU_OPTION_option_rom:
3772 if (nb_option_roms >= MAX_OPTION_ROMS) {
3773 error_report("too many option ROMs");
3774 exit(1);
3775 }
3776 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3777 optarg, true);
3778 if (!opts) {
3779 exit(1);
3780 }
3781 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3782 option_rom[nb_option_roms].bootindex =
3783 qemu_opt_get_number(opts, "bootindex", -1);
3784 if (!option_rom[nb_option_roms].name) {
3785 error_report("Option ROM file is not specified");
3786 exit(1);
3787 }
3788 nb_option_roms++;
3789 break;
3790 case QEMU_OPTION_semihosting:
3791 semihosting.enabled = true;
3792 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3793 break;
3794 case QEMU_OPTION_semihosting_config:
3795 semihosting.enabled = true;
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3797 optarg, false);
3798 if (opts != NULL) {
3799 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3800 true);
3801 const char *target = qemu_opt_get(opts, "target");
3802 if (target != NULL) {
3803 if (strcmp("native", target) == 0) {
3804 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3805 } else if (strcmp("gdb", target) == 0) {
3806 semihosting.target = SEMIHOSTING_TARGET_GDB;
3807 } else if (strcmp("auto", target) == 0) {
3808 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3809 } else {
3810 error_report("unsupported semihosting-config %s",
3811 optarg);
3812 exit(1);
3813 }
3814 } else {
3815 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3816 }
3817 /* Set semihosting argument count and vector */
3818 qemu_opt_foreach(opts, add_semihosting_arg,
3819 &semihosting, NULL);
3820 } else {
3821 error_report("unsupported semihosting-config %s", optarg);
3822 exit(1);
3823 }
3824 break;
3825 case QEMU_OPTION_tdf:
3826 error_report("warning: ignoring deprecated option");
3827 break;
3828 case QEMU_OPTION_name:
3829 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3830 optarg, true);
3831 if (!opts) {
3832 exit(1);
3833 }
3834 break;
3835 case QEMU_OPTION_prom_env:
3836 if (nb_prom_envs >= MAX_PROM_ENVS) {
3837 error_report("too many prom variables");
3838 exit(1);
3839 }
3840 prom_envs[nb_prom_envs] = optarg;
3841 nb_prom_envs++;
3842 break;
3843 case QEMU_OPTION_old_param:
3844 old_param = 1;
3845 break;
3846 case QEMU_OPTION_clock:
3847 /* Clock options no longer exist. Keep this option for
3848 * backward compatibility.
3849 */
3850 break;
3851 case QEMU_OPTION_startdate:
3852 configure_rtc_date_offset(optarg, 1);
3853 break;
3854 case QEMU_OPTION_rtc:
3855 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3856 false);
3857 if (!opts) {
3858 exit(1);
3859 }
3860 configure_rtc(opts);
3861 break;
3862 case QEMU_OPTION_tb_size:
3863 tcg_tb_size = strtol(optarg, NULL, 0);
3864 if (tcg_tb_size < 0) {
3865 tcg_tb_size = 0;
3866 }
3867 break;
3868 case QEMU_OPTION_icount:
3869 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3870 optarg, true);
3871 if (!icount_opts) {
3872 exit(1);
3873 }
3874 break;
3875 case QEMU_OPTION_incoming:
3876 if (!incoming) {
3877 runstate_set(RUN_STATE_INMIGRATE);
3878 }
3879 incoming = optarg;
3880 break;
3881 case QEMU_OPTION_nodefaults:
3882 has_defaults = 0;
3883 break;
3884 case QEMU_OPTION_xen_domid:
3885 if (!(xen_available())) {
3886 printf("Option %s not supported for this target\n", popt->name);
3887 exit(1);
3888 }
3889 xen_domid = atoi(optarg);
3890 break;
3891 case QEMU_OPTION_xen_create:
3892 if (!(xen_available())) {
3893 printf("Option %s not supported for this target\n", popt->name);
3894 exit(1);
3895 }
3896 xen_mode = XEN_CREATE;
3897 break;
3898 case QEMU_OPTION_xen_attach:
3899 if (!(xen_available())) {
3900 printf("Option %s not supported for this target\n", popt->name);
3901 exit(1);
3902 }
3903 xen_mode = XEN_ATTACH;
3904 break;
3905 case QEMU_OPTION_trace:
3906 {
3907 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3908 optarg, true);
3909 if (!opts) {
3910 exit(1);
3911 }
3912 if (qemu_opt_get(opts, "enable")) {
3913 trace_enable_events(qemu_opt_get(opts, "enable"));
3914 }
3915 trace_init_events(qemu_opt_get(opts, "events"));
3916 if (trace_file) {
3917 g_free(trace_file);
3918 }
3919 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3920 qemu_opts_del(opts);
3921 break;
3922 }
3923 case QEMU_OPTION_readconfig:
3924 {
3925 int ret = qemu_read_config_file(optarg);
3926 if (ret < 0) {
3927 error_report("read config %s: %s", optarg,
3928 strerror(-ret));
3929 exit(1);
3930 }
3931 break;
3932 }
3933 case QEMU_OPTION_spice:
3934 olist = qemu_find_opts("spice");
3935 if (!olist) {
3936 error_report("spice support is disabled");
3937 exit(1);
3938 }
3939 opts = qemu_opts_parse_noisily(olist, optarg, false);
3940 if (!opts) {
3941 exit(1);
3942 }
3943 display_remote++;
3944 break;
3945 case QEMU_OPTION_writeconfig:
3946 {
3947 FILE *fp;
3948 if (strcmp(optarg, "-") == 0) {
3949 fp = stdout;
3950 } else {
3951 fp = fopen(optarg, "w");
3952 if (fp == NULL) {
3953 error_report("open %s: %s", optarg,
3954 strerror(errno));
3955 exit(1);
3956 }
3957 }
3958 qemu_config_write(fp);
3959 if (fp != stdout) {
3960 fclose(fp);
3961 }
3962 break;
3963 }
3964 case QEMU_OPTION_qtest:
3965 qtest_chrdev = optarg;
3966 break;
3967 case QEMU_OPTION_qtest_log:
3968 qtest_log = optarg;
3969 break;
3970 case QEMU_OPTION_sandbox:
3971 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3972 optarg, true);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 break;
3977 case QEMU_OPTION_add_fd:
3978 #ifndef _WIN32
3979 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3980 optarg, false);
3981 if (!opts) {
3982 exit(1);
3983 }
3984 #else
3985 error_report("File descriptor passing is disabled on this "
3986 "platform");
3987 exit(1);
3988 #endif
3989 break;
3990 case QEMU_OPTION_object:
3991 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3992 optarg, true);
3993 if (!opts) {
3994 exit(1);
3995 }
3996 break;
3997 case QEMU_OPTION_realtime:
3998 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3999 optarg, false);
4000 if (!opts) {
4001 exit(1);
4002 }
4003 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4004 break;
4005 case QEMU_OPTION_msg:
4006 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4007 false);
4008 if (!opts) {
4009 exit(1);
4010 }
4011 configure_msg(opts);
4012 break;
4013 case QEMU_OPTION_dump_vmstate:
4014 if (vmstate_dump_file) {
4015 error_report("only one '-dump-vmstate' "
4016 "option may be given");
4017 exit(1);
4018 }
4019 vmstate_dump_file = fopen(optarg, "w");
4020 if (vmstate_dump_file == NULL) {
4021 error_report("open %s: %s", optarg, strerror(errno));
4022 exit(1);
4023 }
4024 break;
4025 default:
4026 os_parse_cmd_args(popt->index, optarg);
4027 }
4028 }
4029 }
4030
4031 replay_configure(icount_opts);
4032
4033 opts = qemu_get_machine_opts();
4034 optarg = qemu_opt_get(opts, "type");
4035 if (optarg) {
4036 machine_class = machine_parse(optarg);
4037 }
4038
4039 if (machine_class == NULL) {
4040 error_report("No machine specified, and there is no default");
4041 error_printf("Use -machine help to list supported machines\n");
4042 exit(1);
4043 }
4044
4045 set_memory_options(&ram_slots, &maxram_size, machine_class);
4046
4047 loc_set_none();
4048
4049 os_daemonize();
4050
4051 if (qemu_init_main_loop(&main_loop_err)) {
4052 error_report_err(main_loop_err);
4053 exit(1);
4054 }
4055
4056 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4057 parse_sandbox, NULL, NULL)) {
4058 exit(1);
4059 }
4060
4061 if (qemu_opts_foreach(qemu_find_opts("name"),
4062 parse_name, NULL, NULL)) {
4063 exit(1);
4064 }
4065
4066 #ifndef _WIN32
4067 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4068 parse_add_fd, NULL, NULL)) {
4069 exit(1);
4070 }
4071
4072 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4073 cleanup_add_fd, NULL, NULL)) {
4074 exit(1);
4075 }
4076 #endif
4077
4078 current_machine = MACHINE(object_new(object_class_get_name(
4079 OBJECT_CLASS(machine_class))));
4080 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4081 exit(0);
4082 }
4083 object_property_add_child(object_get_root(), "machine",
4084 OBJECT(current_machine), &error_abort);
4085 cpu_exec_init_all();
4086
4087 if (machine_class->hw_version) {
4088 qemu_set_hw_version(machine_class->hw_version);
4089 }
4090
4091 /* Init CPU def lists, based on config
4092 * - Must be called after all the qemu_read_config_file() calls
4093 * - Must be called before list_cpus()
4094 * - Must be called before machine->init()
4095 */
4096 cpudef_init();
4097
4098 if (cpu_model && is_help_option(cpu_model)) {
4099 list_cpus(stdout, &fprintf, cpu_model);
4100 exit(0);
4101 }
4102
4103 trace_init_file(trace_file);
4104
4105 /* Open the logfile at this point and set the log mask if necessary.
4106 */
4107 if (log_file) {
4108 qemu_set_log_filename(log_file);
4109 }
4110
4111 if (log_mask) {
4112 int mask;
4113 mask = qemu_str_to_log_mask(log_mask);
4114 if (!mask) {
4115 qemu_print_log_usage(stdout);
4116 exit(1);
4117 }
4118 qemu_set_log(mask);
4119 } else {
4120 qemu_set_log(0);
4121 }
4122
4123 if (!trace_init_backends()) {
4124 exit(1);
4125 }
4126
4127 /* If no data_dir is specified then try to find it relative to the
4128 executable path. */
4129 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4130 data_dir[data_dir_idx] = os_find_datadir();
4131 if (data_dir[data_dir_idx] != NULL) {
4132 data_dir_idx++;
4133 }
4134 }
4135 /* If all else fails use the install path specified when building. */
4136 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4137 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4138 }
4139
4140 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4141
4142 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4143 if (max_cpus > machine_class->max_cpus) {
4144 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4145 "supported by machine '%s' (%d)", max_cpus,
4146 machine_class->name, machine_class->max_cpus);
4147 exit(1);
4148 }
4149
4150 /*
4151 * Get the default machine options from the machine if it is not already
4152 * specified either by the configuration file or by the command line.
4153 */
4154 if (machine_class->default_machine_opts) {
4155 qemu_opts_set_defaults(qemu_find_opts("machine"),
4156 machine_class->default_machine_opts, 0);
4157 }
4158
4159 qemu_opts_foreach(qemu_find_opts("device"),
4160 default_driver_check, NULL, NULL);
4161 qemu_opts_foreach(qemu_find_opts("global"),
4162 default_driver_check, NULL, NULL);
4163
4164 if (!vga_model && !default_vga) {
4165 vga_interface_type = VGA_DEVICE;
4166 }
4167 if (!has_defaults || machine_class->no_serial) {
4168 default_serial = 0;
4169 }
4170 if (!has_defaults || machine_class->no_parallel) {
4171 default_parallel = 0;
4172 }
4173 if (!has_defaults || !machine_class->use_virtcon) {
4174 default_virtcon = 0;
4175 }
4176 if (!has_defaults || !machine_class->use_sclp) {
4177 default_sclp = 0;
4178 }
4179 if (!has_defaults || machine_class->no_floppy) {
4180 default_floppy = 0;
4181 }
4182 if (!has_defaults || machine_class->no_cdrom) {
4183 default_cdrom = 0;
4184 }
4185 if (!has_defaults || machine_class->no_sdcard) {
4186 default_sdcard = 0;
4187 }
4188 if (!has_defaults) {
4189 default_monitor = 0;
4190 default_net = 0;
4191 default_vga = 0;
4192 }
4193
4194 if (is_daemonized()) {
4195 /* According to documentation and historically, -nographic redirects
4196 * serial port, parallel port and monitor to stdio, which does not work
4197 * with -daemonize. We can redirect these to null instead, but since
4198 * -nographic is legacy, let's just error out.
4199 * We disallow -nographic only if all other ports are not redirected
4200 * explicitly, to not break existing legacy setups which uses
4201 * -nographic _and_ redirects all ports explicitly - this is valid
4202 * usage, -nographic is just a no-op in this case.
4203 */
4204 if (display_type == DT_NOGRAPHIC
4205 && (default_parallel || default_serial
4206 || default_monitor || default_virtcon)) {
4207 error_report("-nographic cannot be used with -daemonize");
4208 exit(1);
4209 }
4210 #ifdef CONFIG_CURSES
4211 if (display_type == DT_CURSES) {
4212 error_report("curses display cannot be used with -daemonize");
4213 exit(1);
4214 }
4215 #endif
4216 }
4217
4218 if (display_type == DT_NOGRAPHIC) {
4219 if (default_parallel)
4220 add_device_config(DEV_PARALLEL, "null");
4221 if (default_serial && default_monitor) {
4222 add_device_config(DEV_SERIAL, "mon:stdio");
4223 } else if (default_virtcon && default_monitor) {
4224 add_device_config(DEV_VIRTCON, "mon:stdio");
4225 } else if (default_sclp && default_monitor) {
4226 add_device_config(DEV_SCLP, "mon:stdio");
4227 } else {
4228 if (default_serial)
4229 add_device_config(DEV_SERIAL, "stdio");
4230 if (default_virtcon)
4231 add_device_config(DEV_VIRTCON, "stdio");
4232 if (default_sclp) {
4233 add_device_config(DEV_SCLP, "stdio");
4234 }
4235 if (default_monitor)
4236 monitor_parse("stdio", "readline", false);
4237 }
4238 } else {
4239 if (default_serial)
4240 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4241 if (default_parallel)
4242 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4243 if (default_monitor)
4244 monitor_parse("vc:80Cx24C", "readline", false);
4245 if (default_virtcon)
4246 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4247 if (default_sclp) {
4248 add_device_config(DEV_SCLP, "vc:80Cx24C");
4249 }
4250 }
4251
4252 #if defined(CONFIG_VNC)
4253 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4254 display_remote++;
4255 }
4256 #endif
4257 if (display_type == DT_DEFAULT && !display_remote) {
4258 #if defined(CONFIG_GTK)
4259 display_type = DT_GTK;
4260 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4261 display_type = DT_SDL;
4262 #elif defined(CONFIG_VNC)
4263 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4264 show_vnc_port = 1;
4265 #else
4266 display_type = DT_NONE;
4267 #endif
4268 }
4269
4270 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4271 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4272 "for SDL, ignoring option");
4273 }
4274 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4275 error_report("-no-quit is only valid for GTK and SDL, "
4276 "ignoring option");
4277 }
4278
4279 #if defined(CONFIG_GTK)
4280 if (display_type == DT_GTK) {
4281 early_gtk_display_init(request_opengl);
4282 }
4283 #endif
4284 #if defined(CONFIG_SDL)
4285 if (display_type == DT_SDL) {
4286 sdl_display_early_init(request_opengl);
4287 }
4288 #endif
4289 if (request_opengl == 1 && display_opengl == 0) {
4290 #if defined(CONFIG_OPENGL)
4291 error_report("OpenGL is not supported by the display");
4292 #else
4293 error_report("OpenGL support is disabled");
4294 #endif
4295 exit(1);
4296 }
4297
4298 page_size_init();
4299 socket_init();
4300
4301 if (qemu_opts_foreach(qemu_find_opts("object"),
4302 object_create,
4303 object_create_initial, NULL)) {
4304 exit(1);
4305 }
4306
4307 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4308 chardev_init_func, NULL, NULL)) {
4309 exit(1);
4310 }
4311
4312 #ifdef CONFIG_VIRTFS
4313 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4314 fsdev_init_func, NULL, NULL)) {
4315 exit(1);
4316 }
4317 #endif
4318
4319 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4320 error_report("could not acquire pid file: %s", strerror(errno));
4321 exit(1);
4322 }
4323
4324 if (qemu_opts_foreach(qemu_find_opts("device"),
4325 device_help_func, NULL, NULL)) {
4326 exit(0);
4327 }
4328
4329 machine_opts = qemu_get_machine_opts();
4330 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4331 NULL)) {
4332 object_unref(OBJECT(current_machine));
4333 exit(1);
4334 }
4335
4336 configure_accelerator(current_machine);
4337
4338 if (qtest_chrdev) {
4339 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4340 }
4341
4342 machine_opts = qemu_get_machine_opts();
4343 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4344 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4345 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4346 bios_name = qemu_opt_get(machine_opts, "firmware");
4347
4348 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4349 if (opts) {
4350 boot_order = qemu_opt_get(opts, "order");
4351 if (boot_order) {
4352 validate_bootdevices(boot_order, &error_fatal);
4353 }
4354
4355 boot_once = qemu_opt_get(opts, "once");
4356 if (boot_once) {
4357 validate_bootdevices(boot_once, &error_fatal);
4358 }
4359
4360 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4361 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4362 }
4363
4364 if (!boot_order) {
4365 boot_order = machine_class->default_boot_order;
4366 }
4367
4368 if (!kernel_cmdline) {
4369 kernel_cmdline = "";
4370 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4371 }
4372
4373 linux_boot = (kernel_filename != NULL);
4374
4375 if (!linux_boot && *kernel_cmdline != '\0') {
4376 error_report("-append only allowed with -kernel option");
4377 exit(1);
4378 }
4379
4380 if (!linux_boot && initrd_filename != NULL) {
4381 error_report("-initrd only allowed with -kernel option");
4382 exit(1);
4383 }
4384
4385 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4386 error_report("-dtb only allowed with -kernel option");
4387 exit(1);
4388 }
4389
4390 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4391 /* fall back to the -kernel/-append */
4392 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4393 }
4394
4395 os_set_line_buffering();
4396
4397 #ifdef CONFIG_SPICE
4398 /* spice needs the timers to be initialized by this point */
4399 qemu_spice_init();
4400 #endif
4401
4402 cpu_ticks_init();
4403 if (icount_opts) {
4404 if (kvm_enabled() || xen_enabled()) {
4405 error_report("-icount is not allowed with kvm or xen");
4406 exit(1);
4407 }
4408 configure_icount(icount_opts, &error_abort);
4409 qemu_opts_del(icount_opts);
4410 }
4411
4412 /* clean up network at qemu process termination */
4413 atexit(&net_cleanup);
4414
4415 if (net_init_clients() < 0) {
4416 exit(1);
4417 }
4418
4419 if (qemu_opts_foreach(qemu_find_opts("object"),
4420 object_create,
4421 object_create_delayed, NULL)) {
4422 exit(1);
4423 }
4424
4425 #ifdef CONFIG_TPM
4426 if (tpm_init() < 0) {
4427 exit(1);
4428 }
4429 #endif
4430
4431 /* init the bluetooth world */
4432 if (foreach_device_config(DEV_BT, bt_parse))
4433 exit(1);
4434
4435 if (!xen_enabled()) {
4436 /* On 32-bit hosts, QEMU is limited by virtual address space */
4437 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4438 error_report("at most 2047 MB RAM can be simulated");
4439 exit(1);
4440 }
4441 }
4442
4443 blk_mig_init();
4444 ram_mig_init();
4445
4446 /* If the currently selected machine wishes to override the units-per-bus
4447 * property of its default HBA interface type, do so now. */
4448 if (machine_class->units_per_default_bus) {
4449 override_max_devs(machine_class->block_default_type,
4450 machine_class->units_per_default_bus);
4451 }
4452
4453 /* open the virtual block devices */
4454 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4455 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4456 NULL, NULL);
4457 }
4458 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4459 &machine_class->block_default_type, NULL)) {
4460 exit(1);
4461 }
4462
4463 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4464 CDROM_OPTS);
4465 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4466 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4467
4468 parse_numa_opts(machine_class);
4469
4470 if (qemu_opts_foreach(qemu_find_opts("mon"),
4471 mon_init_func, NULL, NULL)) {
4472 exit(1);
4473 }
4474
4475 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4476 exit(1);
4477 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4478 exit(1);
4479 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4480 exit(1);
4481 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4482 exit(1);
4483 }
4484 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4485 exit(1);
4486
4487 /* If no default VGA is requested, the default is "none". */
4488 if (default_vga) {
4489 if (machine_class->default_display) {
4490 vga_model = machine_class->default_display;
4491 } else if (cirrus_vga_available()) {
4492 vga_model = "cirrus";
4493 } else if (vga_available()) {
4494 vga_model = "std";
4495 }
4496 }
4497 if (vga_model) {
4498 select_vgahw(vga_model);
4499 }
4500
4501 if (watchdog) {
4502 i = select_watchdog(watchdog);
4503 if (i > 0)
4504 exit (i == 1 ? 1 : 0);
4505 }
4506
4507 if (machine_class->compat_props) {
4508 qdev_prop_register_global_list(machine_class->compat_props);
4509 }
4510 qemu_add_globals();
4511
4512 /* This checkpoint is required by replay to separate prior clock
4513 reading from the other reads, because timer polling functions query
4514 clock values from the log. */
4515 replay_checkpoint(CHECKPOINT_INIT);
4516 qdev_machine_init();
4517
4518 current_machine->ram_size = ram_size;
4519 current_machine->maxram_size = maxram_size;
4520 current_machine->ram_slots = ram_slots;
4521 current_machine->boot_order = boot_order;
4522 current_machine->cpu_model = cpu_model;
4523
4524 machine_class->init(current_machine);
4525
4526 realtime_init();
4527
4528 audio_init();
4529
4530 cpu_synchronize_all_post_init();
4531
4532 numa_post_machine_init();
4533
4534 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4535 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4536 exit(1);
4537 }
4538
4539 /* init USB devices */
4540 if (usb_enabled()) {
4541 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4542 exit(1);
4543 }
4544
4545 /* Check if IGD GFX passthrough. */
4546 igd_gfx_passthru();
4547
4548 /* init generic devices */
4549 if (qemu_opts_foreach(qemu_find_opts("device"),
4550 device_init_func, NULL, NULL)) {
4551 exit(1);
4552 }
4553
4554 /* Did we create any drives that we failed to create a device for? */
4555 drive_check_orphaned();
4556
4557 net_check_clients();
4558
4559 if (boot_once) {
4560 qemu_boot_set(boot_once, &error_fatal);
4561 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4562 }
4563
4564 ds = init_displaystate();
4565
4566 /* init local displays */
4567 switch (display_type) {
4568 case DT_NOGRAPHIC:
4569 (void)ds; /* avoid warning if no display is configured */
4570 break;
4571 #if defined(CONFIG_CURSES)
4572 case DT_CURSES:
4573 curses_display_init(ds, full_screen);
4574 break;
4575 #endif
4576 #if defined(CONFIG_SDL)
4577 case DT_SDL:
4578 sdl_display_init(ds, full_screen, no_frame);
4579 break;
4580 #elif defined(CONFIG_COCOA)
4581 case DT_SDL:
4582 cocoa_display_init(ds, full_screen);
4583 break;
4584 #endif
4585 #if defined(CONFIG_GTK)
4586 case DT_GTK:
4587 gtk_display_init(ds, full_screen, grab_on_hover);
4588 break;
4589 #endif
4590 default:
4591 break;
4592 }
4593
4594 /* must be after terminal init, SDL library changes signal handlers */
4595 os_setup_signal_handling();
4596
4597 #ifdef CONFIG_VNC
4598 /* init remote displays */
4599 qemu_opts_foreach(qemu_find_opts("vnc"),
4600 vnc_init_func, NULL, NULL);
4601 if (show_vnc_port) {
4602 char *ret = vnc_display_local_addr("default");
4603 printf("VNC server running on '%s'\n", ret);
4604 g_free(ret);
4605 }
4606 #endif
4607 #ifdef CONFIG_SPICE
4608 if (using_spice) {
4609 qemu_spice_display_init();
4610 }
4611 #endif
4612
4613 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4614 exit(1);
4615 }
4616
4617 qdev_machine_creation_done();
4618
4619 /* TODO: once all bus devices are qdevified, this should be done
4620 * when bus is created by qdev.c */
4621 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4622 qemu_run_machine_init_done_notifiers();
4623
4624 if (rom_check_and_register_reset() != 0) {
4625 error_report("rom check and register reset failed");
4626 exit(1);
4627 }
4628
4629 replay_start();
4630
4631 /* This checkpoint is required by replay to separate prior clock
4632 reading from the other reads, because timer polling functions query
4633 clock values from the log. */
4634 replay_checkpoint(CHECKPOINT_RESET);
4635 qemu_system_reset(VMRESET_SILENT);
4636 register_global_state();
4637 if (loadvm) {
4638 if (load_vmstate(loadvm) < 0) {
4639 autostart = 0;
4640 }
4641 }
4642
4643 qdev_prop_check_globals();
4644 if (vmstate_dump_file) {
4645 /* dump and exit */
4646 dump_vmstate_json_to_file(vmstate_dump_file);
4647 return 0;
4648 }
4649
4650 if (incoming) {
4651 Error *local_err = NULL;
4652 qemu_start_incoming_migration(incoming, &local_err);
4653 if (local_err) {
4654 error_reportf_err(local_err, "-incoming %s: ", incoming);
4655 exit(1);
4656 }
4657 } else if (autostart) {
4658 vm_start();
4659 }
4660
4661 os_setup_post();
4662
4663 main_loop();
4664 replay_disable_events();
4665
4666 bdrv_close_all();
4667 pause_all_vcpus();
4668 res_free();
4669 #ifdef CONFIG_TPM
4670 tpm_cleanup();
4671 #endif
4672
4673 return 0;
4674 }
QEmu