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