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