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virtio: introduce virtqueue_discard()
[qemu/ar7.git] / vl.c
blob8d1846c06c8482808297648cd1a83745e52c66d4
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
584
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
586 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
587
588 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
589 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
590
591 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
592 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
593
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
600
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
602 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
603
604 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
605
606 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
607 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
609 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
610 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
613 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
614 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
615 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
616
617 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
618
619 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
620 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
621
622 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
623 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
624 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
625 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
626
627 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
628 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
629
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
631 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
632
633 { RUN_STATE_MAX, RUN_STATE_MAX },
634 };
635
636 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
637
638 bool runstate_check(RunState state)
639 {
640 return current_run_state == state;
641 }
642
643 bool runstate_store(char *str, size_t size)
644 {
645 const char *state = RunState_lookup[current_run_state];
646 size_t len = strlen(state) + 1;
647
648 if (len > size) {
649 return false;
650 }
651 memcpy(str, state, len);
652 return true;
653 }
654
655 static void runstate_init(void)
656 {
657 const RunStateTransition *p;
658
659 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
660 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
661 runstate_valid_transitions[p->from][p->to] = true;
662 }
663
664 qemu_mutex_init(&vmstop_lock);
665 }
666
667 /* This function will abort() on invalid state transitions */
668 void runstate_set(RunState new_state)
669 {
670 assert(new_state < RUN_STATE_MAX);
671
672 if (!runstate_valid_transitions[current_run_state][new_state]) {
673 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
674 RunState_lookup[current_run_state],
675 RunState_lookup[new_state]);
676 abort();
677 }
678 trace_runstate_set(new_state);
679 current_run_state = new_state;
680 }
681
682 int runstate_is_running(void)
683 {
684 return runstate_check(RUN_STATE_RUNNING);
685 }
686
687 bool runstate_needs_reset(void)
688 {
689 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
690 runstate_check(RUN_STATE_SHUTDOWN);
691 }
692
693 StatusInfo *qmp_query_status(Error **errp)
694 {
695 StatusInfo *info = g_malloc0(sizeof(*info));
696
697 info->running = runstate_is_running();
698 info->singlestep = singlestep;
699 info->status = current_run_state;
700
701 return info;
702 }
703
704 static bool qemu_vmstop_requested(RunState *r)
705 {
706 qemu_mutex_lock(&vmstop_lock);
707 *r = vmstop_requested;
708 vmstop_requested = RUN_STATE_MAX;
709 qemu_mutex_unlock(&vmstop_lock);
710 return *r < RUN_STATE_MAX;
711 }
712
713 void qemu_system_vmstop_request_prepare(void)
714 {
715 qemu_mutex_lock(&vmstop_lock);
716 }
717
718 void qemu_system_vmstop_request(RunState state)
719 {
720 vmstop_requested = state;
721 qemu_mutex_unlock(&vmstop_lock);
722 qemu_notify_event();
723 }
724
725 void vm_start(void)
726 {
727 RunState requested;
728
729 qemu_vmstop_requested(&requested);
730 if (runstate_is_running() && requested == RUN_STATE_MAX) {
731 return;
732 }
733
734 /* Ensure that a STOP/RESUME pair of events is emitted if a
735 * vmstop request was pending. The BLOCK_IO_ERROR event, for
736 * example, according to documentation is always followed by
737 * the STOP event.
738 */
739 if (runstate_is_running()) {
740 qapi_event_send_stop(&error_abort);
741 } else {
742 cpu_enable_ticks();
743 runstate_set(RUN_STATE_RUNNING);
744 vm_state_notify(1, RUN_STATE_RUNNING);
745 resume_all_vcpus();
746 }
747
748 qapi_event_send_resume(&error_abort);
749 }
750
751
752 /***********************************************************/
753 /* real time host monotonic timer */
754
755 static time_t qemu_time(void)
756 {
757 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
758 }
759
760 /***********************************************************/
761 /* host time/date access */
762 void qemu_get_timedate(struct tm *tm, int offset)
763 {
764 time_t ti = qemu_time();
765
766 ti += offset;
767 if (rtc_date_offset == -1) {
768 if (rtc_utc)
769 gmtime_r(&ti, tm);
770 else
771 localtime_r(&ti, tm);
772 } else {
773 ti -= rtc_date_offset;
774 gmtime_r(&ti, tm);
775 }
776 }
777
778 int qemu_timedate_diff(struct tm *tm)
779 {
780 time_t seconds;
781
782 if (rtc_date_offset == -1)
783 if (rtc_utc)
784 seconds = mktimegm(tm);
785 else {
786 struct tm tmp = *tm;
787 tmp.tm_isdst = -1; /* use timezone to figure it out */
788 seconds = mktime(&tmp);
789 }
790 else
791 seconds = mktimegm(tm) + rtc_date_offset;
792
793 return seconds - qemu_time();
794 }
795
796 static void configure_rtc_date_offset(const char *startdate, int legacy)
797 {
798 time_t rtc_start_date;
799 struct tm tm;
800
801 if (!strcmp(startdate, "now") && legacy) {
802 rtc_date_offset = -1;
803 } else {
804 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
805 &tm.tm_year,
806 &tm.tm_mon,
807 &tm.tm_mday,
808 &tm.tm_hour,
809 &tm.tm_min,
810 &tm.tm_sec) == 6) {
811 /* OK */
812 } else if (sscanf(startdate, "%d-%d-%d",
813 &tm.tm_year,
814 &tm.tm_mon,
815 &tm.tm_mday) == 3) {
816 tm.tm_hour = 0;
817 tm.tm_min = 0;
818 tm.tm_sec = 0;
819 } else {
820 goto date_fail;
821 }
822 tm.tm_year -= 1900;
823 tm.tm_mon--;
824 rtc_start_date = mktimegm(&tm);
825 if (rtc_start_date == -1) {
826 date_fail:
827 fprintf(stderr, "Invalid date format. Valid formats are:\n"
828 "'2006-06-17T16:01:21' or '2006-06-17'\n");
829 exit(1);
830 }
831 rtc_date_offset = qemu_time() - rtc_start_date;
832 }
833 }
834
835 static void configure_rtc(QemuOpts *opts)
836 {
837 const char *value;
838
839 value = qemu_opt_get(opts, "base");
840 if (value) {
841 if (!strcmp(value, "utc")) {
842 rtc_utc = 1;
843 } else if (!strcmp(value, "localtime")) {
844 rtc_utc = 0;
845 } else {
846 configure_rtc_date_offset(value, 0);
847 }
848 }
849 value = qemu_opt_get(opts, "clock");
850 if (value) {
851 if (!strcmp(value, "host")) {
852 rtc_clock = QEMU_CLOCK_HOST;
853 } else if (!strcmp(value, "rt")) {
854 rtc_clock = QEMU_CLOCK_REALTIME;
855 } else if (!strcmp(value, "vm")) {
856 rtc_clock = QEMU_CLOCK_VIRTUAL;
857 } else {
858 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
859 exit(1);
860 }
861 }
862 value = qemu_opt_get(opts, "driftfix");
863 if (value) {
864 if (!strcmp(value, "slew")) {
865 static GlobalProperty slew_lost_ticks[] = {
866 {
867 .driver = "mc146818rtc",
868 .property = "lost_tick_policy",
869 .value = "slew",
870 },
871 { /* end of list */ }
872 };
873
874 qdev_prop_register_global_list(slew_lost_ticks);
875 } else if (!strcmp(value, "none")) {
876 /* discard is default */
877 } else {
878 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
879 exit(1);
880 }
881 }
882 }
883
884 /***********************************************************/
885 /* Bluetooth support */
886 static int nb_hcis;
887 static int cur_hci;
888 static struct HCIInfo *hci_table[MAX_NICS];
889
890 struct HCIInfo *qemu_next_hci(void)
891 {
892 if (cur_hci == nb_hcis)
893 return &null_hci;
894
895 return hci_table[cur_hci++];
896 }
897
898 static int bt_hci_parse(const char *str)
899 {
900 struct HCIInfo *hci;
901 bdaddr_t bdaddr;
902
903 if (nb_hcis >= MAX_NICS) {
904 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
905 return -1;
906 }
907
908 hci = hci_init(str);
909 if (!hci)
910 return -1;
911
912 bdaddr.b[0] = 0x52;
913 bdaddr.b[1] = 0x54;
914 bdaddr.b[2] = 0x00;
915 bdaddr.b[3] = 0x12;
916 bdaddr.b[4] = 0x34;
917 bdaddr.b[5] = 0x56 + nb_hcis;
918 hci->bdaddr_set(hci, bdaddr.b);
919
920 hci_table[nb_hcis++] = hci;
921
922 return 0;
923 }
924
925 static void bt_vhci_add(int vlan_id)
926 {
927 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
928
929 if (!vlan->slave)
930 fprintf(stderr, "qemu: warning: adding a VHCI to "
931 "an empty scatternet %i\n", vlan_id);
932
933 bt_vhci_init(bt_new_hci(vlan));
934 }
935
936 static struct bt_device_s *bt_device_add(const char *opt)
937 {
938 struct bt_scatternet_s *vlan;
939 int vlan_id = 0;
940 char *endp = strstr(opt, ",vlan=");
941 int len = (endp ? endp - opt : strlen(opt)) + 1;
942 char devname[10];
943
944 pstrcpy(devname, MIN(sizeof(devname), len), opt);
945
946 if (endp) {
947 vlan_id = strtol(endp + 6, &endp, 0);
948 if (*endp) {
949 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
950 return 0;
951 }
952 }
953
954 vlan = qemu_find_bt_vlan(vlan_id);
955
956 if (!vlan->slave)
957 fprintf(stderr, "qemu: warning: adding a slave device to "
958 "an empty scatternet %i\n", vlan_id);
959
960 if (!strcmp(devname, "keyboard"))
961 return bt_keyboard_init(vlan);
962
963 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
964 return 0;
965 }
966
967 static int bt_parse(const char *opt)
968 {
969 const char *endp, *p;
970 int vlan;
971
972 if (strstart(opt, "hci", &endp)) {
973 if (!*endp || *endp == ',') {
974 if (*endp)
975 if (!strstart(endp, ",vlan=", 0))
976 opt = endp + 1;
977
978 return bt_hci_parse(opt);
979 }
980 } else if (strstart(opt, "vhci", &endp)) {
981 if (!*endp || *endp == ',') {
982 if (*endp) {
983 if (strstart(endp, ",vlan=", &p)) {
984 vlan = strtol(p, (char **) &endp, 0);
985 if (*endp) {
986 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
987 return 1;
988 }
989 } else {
990 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
991 return 1;
992 }
993 } else
994 vlan = 0;
995
996 bt_vhci_add(vlan);
997 return 0;
998 }
999 } else if (strstart(opt, "device:", &endp))
1000 return !bt_device_add(endp);
1001
1002 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1003 return 1;
1004 }
1005
1006 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1007 {
1008 /* FIXME: change this to true for 1.3 */
1009 if (qemu_opt_get_bool(opts, "enable", false)) {
1010 #ifdef CONFIG_SECCOMP
1011 if (seccomp_start() < 0) {
1012 error_report("failed to install seccomp syscall filter "
1013 "in the kernel");
1014 return -1;
1015 }
1016 #else
1017 error_report("sandboxing request but seccomp is not compiled "
1018 "into this build");
1019 return -1;
1020 #endif
1021 }
1022
1023 return 0;
1024 }
1025
1026 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1027 {
1028 const char *proc_name;
1029
1030 if (qemu_opt_get(opts, "debug-threads")) {
1031 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1032 }
1033 qemu_name = qemu_opt_get(opts, "guest");
1034
1035 proc_name = qemu_opt_get(opts, "process");
1036 if (proc_name) {
1037 os_set_proc_name(proc_name);
1038 }
1039
1040 return 0;
1041 }
1042
1043 bool defaults_enabled(void)
1044 {
1045 return has_defaults;
1046 }
1047
1048 bool usb_enabled(void)
1049 {
1050 return machine_usb(current_machine);
1051 }
1052
1053 #ifndef _WIN32
1054 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1055 {
1056 int fd, dupfd, flags;
1057 int64_t fdset_id;
1058 const char *fd_opaque = NULL;
1059 AddfdInfo *fdinfo;
1060
1061 fd = qemu_opt_get_number(opts, "fd", -1);
1062 fdset_id = qemu_opt_get_number(opts, "set", -1);
1063 fd_opaque = qemu_opt_get(opts, "opaque");
1064
1065 if (fd < 0) {
1066 error_report("fd option is required and must be non-negative");
1067 return -1;
1068 }
1069
1070 if (fd <= STDERR_FILENO) {
1071 error_report("fd cannot be a standard I/O stream");
1072 return -1;
1073 }
1074
1075 /*
1076 * All fds inherited across exec() necessarily have FD_CLOEXEC
1077 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1078 */
1079 flags = fcntl(fd, F_GETFD);
1080 if (flags == -1 || (flags & FD_CLOEXEC)) {
1081 error_report("fd is not valid or already in use");
1082 return -1;
1083 }
1084
1085 if (fdset_id < 0) {
1086 error_report("set option is required and must be non-negative");
1087 return -1;
1088 }
1089
1090 #ifdef F_DUPFD_CLOEXEC
1091 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1092 #else
1093 dupfd = dup(fd);
1094 if (dupfd != -1) {
1095 qemu_set_cloexec(dupfd);
1096 }
1097 #endif
1098 if (dupfd == -1) {
1099 error_report("Error duplicating fd: %s", strerror(errno));
1100 return -1;
1101 }
1102
1103 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1104 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1105 &error_abort);
1106 g_free(fdinfo);
1107
1108 return 0;
1109 }
1110
1111 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1112 {
1113 int fd;
1114
1115 fd = qemu_opt_get_number(opts, "fd", -1);
1116 close(fd);
1117
1118 return 0;
1119 }
1120 #endif
1121
1122 /***********************************************************/
1123 /* QEMU Block devices */
1124
1125 #define HD_OPTS "media=disk"
1126 #define CDROM_OPTS "media=cdrom"
1127 #define FD_OPTS ""
1128 #define PFLASH_OPTS ""
1129 #define MTD_OPTS ""
1130 #define SD_OPTS ""
1131
1132 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1133 {
1134 BlockInterfaceType *block_default_type = opaque;
1135
1136 return drive_new(opts, *block_default_type) == NULL;
1137 }
1138
1139 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1140 {
1141 if (qemu_opt_get(opts, "snapshot") == NULL) {
1142 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1143 }
1144 return 0;
1145 }
1146
1147 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1148 int index, const char *optstr)
1149 {
1150 QemuOpts *opts;
1151 DriveInfo *dinfo;
1152
1153 if (!enable || drive_get_by_index(type, index)) {
1154 return;
1155 }
1156
1157 opts = drive_add(type, index, NULL, optstr);
1158 if (snapshot) {
1159 drive_enable_snapshot(NULL, opts, NULL);
1160 }
1161
1162 dinfo = drive_new(opts, type);
1163 if (!dinfo) {
1164 exit(1);
1165 }
1166 dinfo->is_default = true;
1167
1168 }
1169
1170 static QemuOptsList qemu_smp_opts = {
1171 .name = "smp-opts",
1172 .implied_opt_name = "cpus",
1173 .merge_lists = true,
1174 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1175 .desc = {
1176 {
1177 .name = "cpus",
1178 .type = QEMU_OPT_NUMBER,
1179 }, {
1180 .name = "sockets",
1181 .type = QEMU_OPT_NUMBER,
1182 }, {
1183 .name = "cores",
1184 .type = QEMU_OPT_NUMBER,
1185 }, {
1186 .name = "threads",
1187 .type = QEMU_OPT_NUMBER,
1188 }, {
1189 .name = "maxcpus",
1190 .type = QEMU_OPT_NUMBER,
1191 },
1192 { /*End of list */ }
1193 },
1194 };
1195
1196 static void smp_parse(QemuOpts *opts)
1197 {
1198 if (opts) {
1199
1200 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1201 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1202 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1203 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1204
1205 /* compute missing values, prefer sockets over cores over threads */
1206 if (cpus == 0 || sockets == 0) {
1207 sockets = sockets > 0 ? sockets : 1;
1208 cores = cores > 0 ? cores : 1;
1209 threads = threads > 0 ? threads : 1;
1210 if (cpus == 0) {
1211 cpus = cores * threads * sockets;
1212 }
1213 } else if (cores == 0) {
1214 threads = threads > 0 ? threads : 1;
1215 cores = cpus / (sockets * threads);
1216 } else if (threads == 0) {
1217 threads = cpus / (cores * sockets);
1218 } else if (sockets * cores * threads < cpus) {
1219 fprintf(stderr, "cpu topology: error: "
1220 "sockets (%u) * cores (%u) * threads (%u) < "
1221 "smp_cpus (%u)\n",
1222 sockets, cores, threads, cpus);
1223 exit(1);
1224 }
1225
1226 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1227
1228 smp_cpus = cpus;
1229 smp_cores = cores > 0 ? cores : 1;
1230 smp_threads = threads > 0 ? threads : 1;
1231
1232 }
1233
1234 if (max_cpus == 0) {
1235 max_cpus = smp_cpus;
1236 }
1237
1238 if (max_cpus > MAX_CPUMASK_BITS) {
1239 fprintf(stderr, "Unsupported number of maxcpus\n");
1240 exit(1);
1241 }
1242 if (max_cpus < smp_cpus) {
1243 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1244 exit(1);
1245 }
1246
1247 }
1248
1249 static void realtime_init(void)
1250 {
1251 if (enable_mlock) {
1252 if (os_mlock() < 0) {
1253 fprintf(stderr, "qemu: locking memory failed\n");
1254 exit(1);
1255 }
1256 }
1257 }
1258
1259
1260 static void configure_msg(QemuOpts *opts)
1261 {
1262 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1263 }
1264
1265 /***********************************************************/
1266 /* Semihosting */
1267
1268 typedef struct SemihostingConfig {
1269 bool enabled;
1270 SemihostingTarget target;
1271 const char **argv;
1272 int argc;
1273 const char *cmdline; /* concatenated argv */
1274 } SemihostingConfig;
1275
1276 static SemihostingConfig semihosting;
1277
1278 bool semihosting_enabled(void)
1279 {
1280 return semihosting.enabled;
1281 }
1282
1283 SemihostingTarget semihosting_get_target(void)
1284 {
1285 return semihosting.target;
1286 }
1287
1288 const char *semihosting_get_arg(int i)
1289 {
1290 if (i >= semihosting.argc) {
1291 return NULL;
1292 }
1293 return semihosting.argv[i];
1294 }
1295
1296 int semihosting_get_argc(void)
1297 {
1298 return semihosting.argc;
1299 }
1300
1301 const char *semihosting_get_cmdline(void)
1302 {
1303 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1304 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1305 }
1306 return semihosting.cmdline;
1307 }
1308
1309 static int add_semihosting_arg(void *opaque,
1310 const char *name, const char *val,
1311 Error **errp)
1312 {
1313 SemihostingConfig *s = opaque;
1314 if (strcmp(name, "arg") == 0) {
1315 s->argc++;
1316 /* one extra element as g_strjoinv() expects NULL-terminated array */
1317 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1318 s->argv[s->argc - 1] = val;
1319 s->argv[s->argc] = NULL;
1320 }
1321 return 0;
1322 }
1323
1324 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1325 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1326 {
1327 char *cmd_token;
1328
1329 /* argv[0] */
1330 add_semihosting_arg(&semihosting, "arg", file, NULL);
1331
1332 /* split -append and initialize argv[1..n] */
1333 cmd_token = strtok(g_strdup(cmd), " ");
1334 while (cmd_token) {
1335 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1336 cmd_token = strtok(NULL, " ");
1337 }
1338 }
1339
1340 /* Now we still need this for compatibility with XEN. */
1341 bool has_igd_gfx_passthru;
1342 static void igd_gfx_passthru(void)
1343 {
1344 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1345 }
1346
1347 /***********************************************************/
1348 /* USB devices */
1349
1350 static int usb_device_add(const char *devname)
1351 {
1352 USBDevice *dev = NULL;
1353 #ifndef CONFIG_LINUX
1354 const char *p;
1355 #endif
1356
1357 if (!usb_enabled()) {
1358 return -1;
1359 }
1360
1361 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1362 dev = usbdevice_create(devname);
1363 if (dev)
1364 goto done;
1365
1366 /* the other ones */
1367 #ifndef CONFIG_LINUX
1368 /* only the linux version is qdev-ified, usb-bsd still needs this */
1369 if (strstart(devname, "host:", &p)) {
1370 dev = usb_host_device_open(usb_bus_find(-1), p);
1371 }
1372 #endif
1373 if (!dev)
1374 return -1;
1375
1376 done:
1377 return 0;
1378 }
1379
1380 static int usb_device_del(const char *devname)
1381 {
1382 int bus_num, addr;
1383 const char *p;
1384
1385 if (strstart(devname, "host:", &p)) {
1386 return -1;
1387 }
1388
1389 if (!usb_enabled()) {
1390 return -1;
1391 }
1392
1393 p = strchr(devname, '.');
1394 if (!p)
1395 return -1;
1396 bus_num = strtoul(devname, NULL, 0);
1397 addr = strtoul(p + 1, NULL, 0);
1398
1399 return usb_device_delete_addr(bus_num, addr);
1400 }
1401
1402 static int usb_parse(const char *cmdline)
1403 {
1404 int r;
1405 r = usb_device_add(cmdline);
1406 if (r < 0) {
1407 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1408 }
1409 return r;
1410 }
1411
1412 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1413 {
1414 const char *devname = qdict_get_str(qdict, "devname");
1415 if (usb_device_add(devname) < 0) {
1416 error_report("could not add USB device '%s'", devname);
1417 }
1418 }
1419
1420 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1421 {
1422 const char *devname = qdict_get_str(qdict, "devname");
1423 if (usb_device_del(devname) < 0) {
1424 error_report("could not delete USB device '%s'", devname);
1425 }
1426 }
1427
1428 /***********************************************************/
1429 /* machine registration */
1430
1431 MachineState *current_machine;
1432
1433 static MachineClass *find_machine(const char *name)
1434 {
1435 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1436 MachineClass *mc = NULL;
1437
1438 for (el = machines; el; el = el->next) {
1439 MachineClass *temp = el->data;
1440
1441 if (!strcmp(temp->name, name)) {
1442 mc = temp;
1443 break;
1444 }
1445 if (temp->alias &&
1446 !strcmp(temp->alias, name)) {
1447 mc = temp;
1448 break;
1449 }
1450 }
1451
1452 g_slist_free(machines);
1453 return mc;
1454 }
1455
1456 MachineClass *find_default_machine(void)
1457 {
1458 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1459 MachineClass *mc = NULL;
1460
1461 for (el = machines; el; el = el->next) {
1462 MachineClass *temp = el->data;
1463
1464 if (temp->is_default) {
1465 mc = temp;
1466 break;
1467 }
1468 }
1469
1470 g_slist_free(machines);
1471 return mc;
1472 }
1473
1474 MachineInfoList *qmp_query_machines(Error **errp)
1475 {
1476 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1477 MachineInfoList *mach_list = NULL;
1478
1479 for (el = machines; el; el = el->next) {
1480 MachineClass *mc = el->data;
1481 MachineInfoList *entry;
1482 MachineInfo *info;
1483
1484 info = g_malloc0(sizeof(*info));
1485 if (mc->is_default) {
1486 info->has_is_default = true;
1487 info->is_default = true;
1488 }
1489
1490 if (mc->alias) {
1491 info->has_alias = true;
1492 info->alias = g_strdup(mc->alias);
1493 }
1494
1495 info->name = g_strdup(mc->name);
1496 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1497
1498 entry = g_malloc0(sizeof(*entry));
1499 entry->value = info;
1500 entry->next = mach_list;
1501 mach_list = entry;
1502 }
1503
1504 g_slist_free(machines);
1505 return mach_list;
1506 }
1507
1508 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1509 {
1510 ObjectProperty *prop;
1511
1512 if (!qemu_opt_has_help_opt(opts)) {
1513 return 0;
1514 }
1515
1516 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1517 if (!prop->set) {
1518 continue;
1519 }
1520
1521 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1522 prop->name, prop->type);
1523 if (prop->description) {
1524 error_printf(" (%s)\n", prop->description);
1525 } else {
1526 error_printf("\n");
1527 }
1528 }
1529
1530 return 1;
1531 }
1532
1533 /***********************************************************/
1534 /* main execution loop */
1535
1536 struct vm_change_state_entry {
1537 VMChangeStateHandler *cb;
1538 void *opaque;
1539 QLIST_ENTRY (vm_change_state_entry) entries;
1540 };
1541
1542 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1543
1544 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1545 void *opaque)
1546 {
1547 VMChangeStateEntry *e;
1548
1549 e = g_malloc0(sizeof (*e));
1550
1551 e->cb = cb;
1552 e->opaque = opaque;
1553 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1554 return e;
1555 }
1556
1557 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1558 {
1559 QLIST_REMOVE (e, entries);
1560 g_free (e);
1561 }
1562
1563 void vm_state_notify(int running, RunState state)
1564 {
1565 VMChangeStateEntry *e, *next;
1566
1567 trace_vm_state_notify(running, state);
1568
1569 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1570 e->cb(e->opaque, running, state);
1571 }
1572 }
1573
1574 /* reset/shutdown handler */
1575
1576 typedef struct QEMUResetEntry {
1577 QTAILQ_ENTRY(QEMUResetEntry) entry;
1578 QEMUResetHandler *func;
1579 void *opaque;
1580 } QEMUResetEntry;
1581
1582 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1583 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1584 static int reset_requested;
1585 static int shutdown_requested, shutdown_signal = -1;
1586 static pid_t shutdown_pid;
1587 static int powerdown_requested;
1588 static int debug_requested;
1589 static int suspend_requested;
1590 static WakeupReason wakeup_reason;
1591 static NotifierList powerdown_notifiers =
1592 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1593 static NotifierList suspend_notifiers =
1594 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1595 static NotifierList wakeup_notifiers =
1596 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1597 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1598
1599 int qemu_shutdown_requested_get(void)
1600 {
1601 return shutdown_requested;
1602 }
1603
1604 int qemu_reset_requested_get(void)
1605 {
1606 return reset_requested;
1607 }
1608
1609 static int qemu_shutdown_requested(void)
1610 {
1611 return atomic_xchg(&shutdown_requested, 0);
1612 }
1613
1614 static void qemu_kill_report(void)
1615 {
1616 if (!qtest_driver() && shutdown_signal != -1) {
1617 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1618 if (shutdown_pid == 0) {
1619 /* This happens for eg ^C at the terminal, so it's worth
1620 * avoiding printing an odd message in that case.
1621 */
1622 fputc('\n', stderr);
1623 } else {
1624 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1625 }
1626 shutdown_signal = -1;
1627 }
1628 }
1629
1630 static int qemu_reset_requested(void)
1631 {
1632 int r = reset_requested;
1633 reset_requested = 0;
1634 return r;
1635 }
1636
1637 static int qemu_suspend_requested(void)
1638 {
1639 int r = suspend_requested;
1640 suspend_requested = 0;
1641 return r;
1642 }
1643
1644 static WakeupReason qemu_wakeup_requested(void)
1645 {
1646 return wakeup_reason;
1647 }
1648
1649 static int qemu_powerdown_requested(void)
1650 {
1651 int r = powerdown_requested;
1652 powerdown_requested = 0;
1653 return r;
1654 }
1655
1656 static int qemu_debug_requested(void)
1657 {
1658 int r = debug_requested;
1659 debug_requested = 0;
1660 return r;
1661 }
1662
1663 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1664 {
1665 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1666
1667 re->func = func;
1668 re->opaque = opaque;
1669 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1670 }
1671
1672 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1673 {
1674 QEMUResetEntry *re;
1675
1676 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1677 if (re->func == func && re->opaque == opaque) {
1678 QTAILQ_REMOVE(&reset_handlers, re, entry);
1679 g_free(re);
1680 return;
1681 }
1682 }
1683 }
1684
1685 void qemu_devices_reset(void)
1686 {
1687 QEMUResetEntry *re, *nre;
1688
1689 /* reset all devices */
1690 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1691 re->func(re->opaque);
1692 }
1693 }
1694
1695 void qemu_system_reset(bool report)
1696 {
1697 MachineClass *mc;
1698
1699 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1700
1701 if (mc && mc->reset) {
1702 mc->reset();
1703 } else {
1704 qemu_devices_reset();
1705 }
1706 if (report) {
1707 qapi_event_send_reset(&error_abort);
1708 }
1709 cpu_synchronize_all_post_reset();
1710 }
1711
1712 void qemu_system_guest_panicked(void)
1713 {
1714 if (current_cpu) {
1715 current_cpu->crash_occurred = true;
1716 }
1717 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1718 vm_stop(RUN_STATE_GUEST_PANICKED);
1719 }
1720
1721 void qemu_system_reset_request(void)
1722 {
1723 if (no_reboot) {
1724 shutdown_requested = 1;
1725 } else {
1726 reset_requested = 1;
1727 }
1728 cpu_stop_current();
1729 qemu_notify_event();
1730 }
1731
1732 static void qemu_system_suspend(void)
1733 {
1734 pause_all_vcpus();
1735 notifier_list_notify(&suspend_notifiers, NULL);
1736 runstate_set(RUN_STATE_SUSPENDED);
1737 qapi_event_send_suspend(&error_abort);
1738 }
1739
1740 void qemu_system_suspend_request(void)
1741 {
1742 if (runstate_check(RUN_STATE_SUSPENDED)) {
1743 return;
1744 }
1745 suspend_requested = 1;
1746 cpu_stop_current();
1747 qemu_notify_event();
1748 }
1749
1750 void qemu_register_suspend_notifier(Notifier *notifier)
1751 {
1752 notifier_list_add(&suspend_notifiers, notifier);
1753 }
1754
1755 void qemu_system_wakeup_request(WakeupReason reason)
1756 {
1757 trace_system_wakeup_request(reason);
1758
1759 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1760 return;
1761 }
1762 if (!(wakeup_reason_mask & (1 << reason))) {
1763 return;
1764 }
1765 runstate_set(RUN_STATE_RUNNING);
1766 wakeup_reason = reason;
1767 qemu_notify_event();
1768 }
1769
1770 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1771 {
1772 if (enabled) {
1773 wakeup_reason_mask |= (1 << reason);
1774 } else {
1775 wakeup_reason_mask &= ~(1 << reason);
1776 }
1777 }
1778
1779 void qemu_register_wakeup_notifier(Notifier *notifier)
1780 {
1781 notifier_list_add(&wakeup_notifiers, notifier);
1782 }
1783
1784 void qemu_system_killed(int signal, pid_t pid)
1785 {
1786 shutdown_signal = signal;
1787 shutdown_pid = pid;
1788 no_shutdown = 0;
1789 qemu_system_shutdown_request();
1790 }
1791
1792 void qemu_system_shutdown_request(void)
1793 {
1794 trace_qemu_system_shutdown_request();
1795 shutdown_requested = 1;
1796 qemu_notify_event();
1797 }
1798
1799 static void qemu_system_powerdown(void)
1800 {
1801 qapi_event_send_powerdown(&error_abort);
1802 notifier_list_notify(&powerdown_notifiers, NULL);
1803 }
1804
1805 void qemu_system_powerdown_request(void)
1806 {
1807 trace_qemu_system_powerdown_request();
1808 powerdown_requested = 1;
1809 qemu_notify_event();
1810 }
1811
1812 void qemu_register_powerdown_notifier(Notifier *notifier)
1813 {
1814 notifier_list_add(&powerdown_notifiers, notifier);
1815 }
1816
1817 void qemu_system_debug_request(void)
1818 {
1819 debug_requested = 1;
1820 qemu_notify_event();
1821 }
1822
1823 static bool main_loop_should_exit(void)
1824 {
1825 RunState r;
1826 if (qemu_debug_requested()) {
1827 vm_stop(RUN_STATE_DEBUG);
1828 }
1829 if (qemu_suspend_requested()) {
1830 qemu_system_suspend();
1831 }
1832 if (qemu_shutdown_requested()) {
1833 qemu_kill_report();
1834 qapi_event_send_shutdown(&error_abort);
1835 if (no_shutdown) {
1836 vm_stop(RUN_STATE_SHUTDOWN);
1837 } else {
1838 return true;
1839 }
1840 }
1841 if (qemu_reset_requested()) {
1842 pause_all_vcpus();
1843 cpu_synchronize_all_states();
1844 qemu_system_reset(VMRESET_REPORT);
1845 resume_all_vcpus();
1846 if (runstate_needs_reset()) {
1847 runstate_set(RUN_STATE_PAUSED);
1848 }
1849 }
1850 if (qemu_wakeup_requested()) {
1851 pause_all_vcpus();
1852 cpu_synchronize_all_states();
1853 qemu_system_reset(VMRESET_SILENT);
1854 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1855 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1856 resume_all_vcpus();
1857 qapi_event_send_wakeup(&error_abort);
1858 }
1859 if (qemu_powerdown_requested()) {
1860 qemu_system_powerdown();
1861 }
1862 if (qemu_vmstop_requested(&r)) {
1863 vm_stop(r);
1864 }
1865 return false;
1866 }
1867
1868 static void main_loop(void)
1869 {
1870 bool nonblocking;
1871 int last_io = 0;
1872 #ifdef CONFIG_PROFILER
1873 int64_t ti;
1874 #endif
1875 do {
1876 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1877 #ifdef CONFIG_PROFILER
1878 ti = profile_getclock();
1879 #endif
1880 last_io = main_loop_wait(nonblocking);
1881 #ifdef CONFIG_PROFILER
1882 dev_time += profile_getclock() - ti;
1883 #endif
1884 } while (!main_loop_should_exit());
1885 }
1886
1887 static void version(void)
1888 {
1889 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1890 }
1891
1892 static void help(int exitcode)
1893 {
1894 version();
1895 printf("usage: %s [options] [disk_image]\n\n"
1896 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1897 error_get_progname());
1898
1899 #define QEMU_OPTIONS_GENERATE_HELP
1900 #include "qemu-options-wrapper.h"
1901
1902 printf("\nDuring emulation, the following keys are useful:\n"
1903 "ctrl-alt-f toggle full screen\n"
1904 "ctrl-alt-n switch to virtual console 'n'\n"
1905 "ctrl-alt toggle mouse and keyboard grab\n"
1906 "\n"
1907 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1908
1909 exit(exitcode);
1910 }
1911
1912 #define HAS_ARG 0x0001
1913
1914 typedef struct QEMUOption {
1915 const char *name;
1916 int flags;
1917 int index;
1918 uint32_t arch_mask;
1919 } QEMUOption;
1920
1921 static const QEMUOption qemu_options[] = {
1922 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1923 #define QEMU_OPTIONS_GENERATE_OPTIONS
1924 #include "qemu-options-wrapper.h"
1925 { NULL },
1926 };
1927
1928 static bool vga_available(void)
1929 {
1930 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1931 }
1932
1933 static bool cirrus_vga_available(void)
1934 {
1935 return object_class_by_name("cirrus-vga")
1936 || object_class_by_name("isa-cirrus-vga");
1937 }
1938
1939 static bool vmware_vga_available(void)
1940 {
1941 return object_class_by_name("vmware-svga");
1942 }
1943
1944 static bool qxl_vga_available(void)
1945 {
1946 return object_class_by_name("qxl-vga");
1947 }
1948
1949 static bool tcx_vga_available(void)
1950 {
1951 return object_class_by_name("SUNW,tcx");
1952 }
1953
1954 static bool cg3_vga_available(void)
1955 {
1956 return object_class_by_name("cgthree");
1957 }
1958
1959 static bool virtio_vga_available(void)
1960 {
1961 return object_class_by_name("virtio-vga");
1962 }
1963
1964 static void select_vgahw (const char *p)
1965 {
1966 const char *opts;
1967
1968 assert(vga_interface_type == VGA_NONE);
1969 if (strstart(p, "std", &opts)) {
1970 if (vga_available()) {
1971 vga_interface_type = VGA_STD;
1972 } else {
1973 fprintf(stderr, "Error: standard VGA not available\n");
1974 exit(0);
1975 }
1976 } else if (strstart(p, "cirrus", &opts)) {
1977 if (cirrus_vga_available()) {
1978 vga_interface_type = VGA_CIRRUS;
1979 } else {
1980 fprintf(stderr, "Error: Cirrus VGA not available\n");
1981 exit(0);
1982 }
1983 } else if (strstart(p, "vmware", &opts)) {
1984 if (vmware_vga_available()) {
1985 vga_interface_type = VGA_VMWARE;
1986 } else {
1987 fprintf(stderr, "Error: VMWare SVGA not available\n");
1988 exit(0);
1989 }
1990 } else if (strstart(p, "virtio", &opts)) {
1991 if (virtio_vga_available()) {
1992 vga_interface_type = VGA_VIRTIO;
1993 } else {
1994 fprintf(stderr, "Error: Virtio VGA not available\n");
1995 exit(0);
1996 }
1997 } else if (strstart(p, "xenfb", &opts)) {
1998 vga_interface_type = VGA_XENFB;
1999 } else if (strstart(p, "qxl", &opts)) {
2000 if (qxl_vga_available()) {
2001 vga_interface_type = VGA_QXL;
2002 } else {
2003 fprintf(stderr, "Error: QXL VGA not available\n");
2004 exit(0);
2005 }
2006 } else if (strstart(p, "tcx", &opts)) {
2007 if (tcx_vga_available()) {
2008 vga_interface_type = VGA_TCX;
2009 } else {
2010 fprintf(stderr, "Error: TCX framebuffer not available\n");
2011 exit(0);
2012 }
2013 } else if (strstart(p, "cg3", &opts)) {
2014 if (cg3_vga_available()) {
2015 vga_interface_type = VGA_CG3;
2016 } else {
2017 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2018 exit(0);
2019 }
2020 } else if (!strstart(p, "none", &opts)) {
2021 invalid_vga:
2022 fprintf(stderr, "Unknown vga type: %s\n", p);
2023 exit(1);
2024 }
2025 while (*opts) {
2026 const char *nextopt;
2027
2028 if (strstart(opts, ",retrace=", &nextopt)) {
2029 opts = nextopt;
2030 if (strstart(opts, "dumb", &nextopt))
2031 vga_retrace_method = VGA_RETRACE_DUMB;
2032 else if (strstart(opts, "precise", &nextopt))
2033 vga_retrace_method = VGA_RETRACE_PRECISE;
2034 else goto invalid_vga;
2035 } else goto invalid_vga;
2036 opts = nextopt;
2037 }
2038 }
2039
2040 static DisplayType select_display(const char *p)
2041 {
2042 const char *opts;
2043 DisplayType display = DT_DEFAULT;
2044
2045 if (strstart(p, "sdl", &opts)) {
2046 #ifdef CONFIG_SDL
2047 display = DT_SDL;
2048 while (*opts) {
2049 const char *nextopt;
2050
2051 if (strstart(opts, ",frame=", &nextopt)) {
2052 opts = nextopt;
2053 if (strstart(opts, "on", &nextopt)) {
2054 no_frame = 0;
2055 } else if (strstart(opts, "off", &nextopt)) {
2056 no_frame = 1;
2057 } else {
2058 goto invalid_sdl_args;
2059 }
2060 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2061 opts = nextopt;
2062 if (strstart(opts, "on", &nextopt)) {
2063 alt_grab = 1;
2064 } else if (strstart(opts, "off", &nextopt)) {
2065 alt_grab = 0;
2066 } else {
2067 goto invalid_sdl_args;
2068 }
2069 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "on", &nextopt)) {
2072 ctrl_grab = 1;
2073 } else if (strstart(opts, "off", &nextopt)) {
2074 ctrl_grab = 0;
2075 } else {
2076 goto invalid_sdl_args;
2077 }
2078 } else if (strstart(opts, ",window_close=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "on", &nextopt)) {
2081 no_quit = 0;
2082 } else if (strstart(opts, "off", &nextopt)) {
2083 no_quit = 1;
2084 } else {
2085 goto invalid_sdl_args;
2086 }
2087 } else if (strstart(opts, ",gl=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 request_opengl = 1;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 request_opengl = 0;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else {
2097 invalid_sdl_args:
2098 error_report("Invalid SDL option string");
2099 exit(1);
2100 }
2101 opts = nextopt;
2102 }
2103 #else
2104 error_report("SDL support is disabled");
2105 exit(1);
2106 #endif
2107 } else if (strstart(p, "vnc", &opts)) {
2108 #ifdef CONFIG_VNC
2109 if (*opts == '=') {
2110 Error *err = NULL;
2111 if (vnc_parse(opts + 1, &err) == NULL) {
2112 error_report_err(err);
2113 exit(1);
2114 }
2115 } else {
2116 error_report("VNC requires a display argument vnc=<display>");
2117 exit(1);
2118 }
2119 #else
2120 error_report("VNC support is disabled");
2121 exit(1);
2122 #endif
2123 } else if (strstart(p, "curses", &opts)) {
2124 #ifdef CONFIG_CURSES
2125 display = DT_CURSES;
2126 #else
2127 error_report("Curses support is disabled");
2128 exit(1);
2129 #endif
2130 } else if (strstart(p, "gtk", &opts)) {
2131 #ifdef CONFIG_GTK
2132 display = DT_GTK;
2133 while (*opts) {
2134 const char *nextopt;
2135
2136 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2137 opts = nextopt;
2138 if (strstart(opts, "on", &nextopt)) {
2139 grab_on_hover = true;
2140 } else if (strstart(opts, "off", &nextopt)) {
2141 grab_on_hover = false;
2142 } else {
2143 goto invalid_gtk_args;
2144 }
2145 } else if (strstart(opts, ",gl=", &nextopt)) {
2146 opts = nextopt;
2147 if (strstart(opts, "on", &nextopt)) {
2148 request_opengl = 1;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 request_opengl = 0;
2151 } else {
2152 goto invalid_gtk_args;
2153 }
2154 } else {
2155 invalid_gtk_args:
2156 error_report("Invalid GTK option string");
2157 exit(1);
2158 }
2159 opts = nextopt;
2160 }
2161 #else
2162 error_report("GTK support is disabled");
2163 exit(1);
2164 #endif
2165 } else if (strstart(p, "none", &opts)) {
2166 display = DT_NONE;
2167 } else {
2168 error_report("Unknown display type");
2169 exit(1);
2170 }
2171
2172 return display;
2173 }
2174
2175 static int balloon_parse(const char *arg)
2176 {
2177 QemuOpts *opts;
2178
2179 if (strcmp(arg, "none") == 0) {
2180 return 0;
2181 }
2182
2183 if (!strncmp(arg, "virtio", 6)) {
2184 if (arg[6] == ',') {
2185 /* have params -> parse them */
2186 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2187 false);
2188 if (!opts)
2189 return -1;
2190 } else {
2191 /* create empty opts */
2192 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2193 &error_abort);
2194 }
2195 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2196 return 0;
2197 }
2198
2199 return -1;
2200 }
2201
2202 char *qemu_find_file(int type, const char *name)
2203 {
2204 int i;
2205 const char *subdir;
2206 char *buf;
2207
2208 /* Try the name as a straight path first */
2209 if (access(name, R_OK) == 0) {
2210 trace_load_file(name, name);
2211 return g_strdup(name);
2212 }
2213
2214 switch (type) {
2215 case QEMU_FILE_TYPE_BIOS:
2216 subdir = "";
2217 break;
2218 case QEMU_FILE_TYPE_KEYMAP:
2219 subdir = "keymaps/";
2220 break;
2221 default:
2222 abort();
2223 }
2224
2225 for (i = 0; i < data_dir_idx; i++) {
2226 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2227 if (access(buf, R_OK) == 0) {
2228 trace_load_file(name, buf);
2229 return buf;
2230 }
2231 g_free(buf);
2232 }
2233 return NULL;
2234 }
2235
2236 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2237 {
2238 gchar *buf;
2239 size_t size;
2240 const char *name, *file;
2241
2242 if (opaque == NULL) {
2243 error_report("fw_cfg device not available");
2244 return -1;
2245 }
2246 name = qemu_opt_get(opts, "name");
2247 file = qemu_opt_get(opts, "file");
2248 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2249 error_report("invalid argument value");
2250 return -1;
2251 }
2252 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2253 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2254 return -1;
2255 }
2256 if (strncmp(name, "opt/", 4) != 0) {
2257 error_report("WARNING: externally provided fw_cfg item names "
2258 "should be prefixed with \"opt/\"!");
2259 }
2260 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2261 error_report("can't load %s", file);
2262 return -1;
2263 }
2264 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2265 return 0;
2266 }
2267
2268 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2269 {
2270 return qdev_device_help(opts);
2271 }
2272
2273 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2274 {
2275 Error *err = NULL;
2276 DeviceState *dev;
2277
2278 dev = qdev_device_add(opts, &err);
2279 if (!dev) {
2280 error_report_err(err);
2281 return -1;
2282 }
2283 object_unref(OBJECT(dev));
2284 return 0;
2285 }
2286
2287 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2288 {
2289 Error *local_err = NULL;
2290
2291 qemu_chr_new_from_opts(opts, NULL, &local_err);
2292 if (local_err) {
2293 error_report_err(local_err);
2294 return -1;
2295 }
2296 return 0;
2297 }
2298
2299 #ifdef CONFIG_VIRTFS
2300 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2301 {
2302 int ret;
2303 ret = qemu_fsdev_add(opts);
2304
2305 return ret;
2306 }
2307 #endif
2308
2309 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2310 {
2311 CharDriverState *chr;
2312 const char *chardev;
2313 const char *mode;
2314 int flags;
2315
2316 mode = qemu_opt_get(opts, "mode");
2317 if (mode == NULL) {
2318 mode = "readline";
2319 }
2320 if (strcmp(mode, "readline") == 0) {
2321 flags = MONITOR_USE_READLINE;
2322 } else if (strcmp(mode, "control") == 0) {
2323 flags = MONITOR_USE_CONTROL;
2324 } else {
2325 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2326 exit(1);
2327 }
2328
2329 if (qemu_opt_get_bool(opts, "pretty", 0))
2330 flags |= MONITOR_USE_PRETTY;
2331
2332 if (qemu_opt_get_bool(opts, "default", 0))
2333 flags |= MONITOR_IS_DEFAULT;
2334
2335 chardev = qemu_opt_get(opts, "chardev");
2336 chr = qemu_chr_find(chardev);
2337 if (chr == NULL) {
2338 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2339 exit(1);
2340 }
2341
2342 qemu_chr_fe_claim_no_fail(chr);
2343 monitor_init(chr, flags);
2344 return 0;
2345 }
2346
2347 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2348 {
2349 static int monitor_device_index = 0;
2350 Error *local_err = NULL;
2351 QemuOpts *opts;
2352 const char *p;
2353 char label[32];
2354 int def = 0;
2355
2356 if (strstart(optarg, "chardev:", &p)) {
2357 snprintf(label, sizeof(label), "%s", p);
2358 } else {
2359 snprintf(label, sizeof(label), "compat_monitor%d",
2360 monitor_device_index);
2361 if (monitor_device_index == 0) {
2362 def = 1;
2363 }
2364 opts = qemu_chr_parse_compat(label, optarg);
2365 if (!opts) {
2366 fprintf(stderr, "parse error: %s\n", optarg);
2367 exit(1);
2368 }
2369 }
2370
2371 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2372 if (!opts) {
2373 error_report_err(local_err);
2374 exit(1);
2375 }
2376 qemu_opt_set(opts, "mode", mode, &error_abort);
2377 qemu_opt_set(opts, "chardev", label, &error_abort);
2378 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2379 if (def)
2380 qemu_opt_set(opts, "default", "on", &error_abort);
2381 monitor_device_index++;
2382 }
2383
2384 struct device_config {
2385 enum {
2386 DEV_USB, /* -usbdevice */
2387 DEV_BT, /* -bt */
2388 DEV_SERIAL, /* -serial */
2389 DEV_PARALLEL, /* -parallel */
2390 DEV_VIRTCON, /* -virtioconsole */
2391 DEV_DEBUGCON, /* -debugcon */
2392 DEV_GDB, /* -gdb, -s */
2393 DEV_SCLP, /* s390 sclp */
2394 } type;
2395 const char *cmdline;
2396 Location loc;
2397 QTAILQ_ENTRY(device_config) next;
2398 };
2399
2400 static QTAILQ_HEAD(, device_config) device_configs =
2401 QTAILQ_HEAD_INITIALIZER(device_configs);
2402
2403 static void add_device_config(int type, const char *cmdline)
2404 {
2405 struct device_config *conf;
2406
2407 conf = g_malloc0(sizeof(*conf));
2408 conf->type = type;
2409 conf->cmdline = cmdline;
2410 loc_save(&conf->loc);
2411 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2412 }
2413
2414 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2415 {
2416 struct device_config *conf;
2417 int rc;
2418
2419 QTAILQ_FOREACH(conf, &device_configs, next) {
2420 if (conf->type != type)
2421 continue;
2422 loc_push_restore(&conf->loc);
2423 rc = func(conf->cmdline);
2424 loc_pop(&conf->loc);
2425 if (rc) {
2426 return rc;
2427 }
2428 }
2429 return 0;
2430 }
2431
2432 static int serial_parse(const char *devname)
2433 {
2434 static int index = 0;
2435 char label[32];
2436
2437 if (strcmp(devname, "none") == 0)
2438 return 0;
2439 if (index == MAX_SERIAL_PORTS) {
2440 fprintf(stderr, "qemu: too many serial ports\n");
2441 exit(1);
2442 }
2443 snprintf(label, sizeof(label), "serial%d", index);
2444 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2445 if (!serial_hds[index]) {
2446 fprintf(stderr, "qemu: could not connect serial device"
2447 " to character backend '%s'\n", devname);
2448 return -1;
2449 }
2450 index++;
2451 return 0;
2452 }
2453
2454 static int parallel_parse(const char *devname)
2455 {
2456 static int index = 0;
2457 char label[32];
2458
2459 if (strcmp(devname, "none") == 0)
2460 return 0;
2461 if (index == MAX_PARALLEL_PORTS) {
2462 fprintf(stderr, "qemu: too many parallel ports\n");
2463 exit(1);
2464 }
2465 snprintf(label, sizeof(label), "parallel%d", index);
2466 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2467 if (!parallel_hds[index]) {
2468 fprintf(stderr, "qemu: could not connect parallel device"
2469 " to character backend '%s'\n", devname);
2470 return -1;
2471 }
2472 index++;
2473 return 0;
2474 }
2475
2476 static int virtcon_parse(const char *devname)
2477 {
2478 QemuOptsList *device = qemu_find_opts("device");
2479 static int index = 0;
2480 char label[32];
2481 QemuOpts *bus_opts, *dev_opts;
2482
2483 if (strcmp(devname, "none") == 0)
2484 return 0;
2485 if (index == MAX_VIRTIO_CONSOLES) {
2486 fprintf(stderr, "qemu: too many virtio consoles\n");
2487 exit(1);
2488 }
2489
2490 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2491 if (arch_type == QEMU_ARCH_S390X) {
2492 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2493 } else {
2494 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2495 }
2496
2497 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2498 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2499
2500 snprintf(label, sizeof(label), "virtcon%d", index);
2501 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!virtcon_hds[index]) {
2503 fprintf(stderr, "qemu: could not connect virtio console"
2504 " to character backend '%s'\n", devname);
2505 return -1;
2506 }
2507 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2508
2509 index++;
2510 return 0;
2511 }
2512
2513 static int sclp_parse(const char *devname)
2514 {
2515 QemuOptsList *device = qemu_find_opts("device");
2516 static int index = 0;
2517 char label[32];
2518 QemuOpts *dev_opts;
2519
2520 if (strcmp(devname, "none") == 0) {
2521 return 0;
2522 }
2523 if (index == MAX_SCLP_CONSOLES) {
2524 fprintf(stderr, "qemu: too many sclp consoles\n");
2525 exit(1);
2526 }
2527
2528 assert(arch_type == QEMU_ARCH_S390X);
2529
2530 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2531 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2532
2533 snprintf(label, sizeof(label), "sclpcon%d", index);
2534 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!sclp_hds[index]) {
2536 fprintf(stderr, "qemu: could not connect sclp console"
2537 " to character backend '%s'\n", devname);
2538 return -1;
2539 }
2540 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2541
2542 index++;
2543 return 0;
2544 }
2545
2546 static int debugcon_parse(const char *devname)
2547 {
2548 QemuOpts *opts;
2549
2550 if (!qemu_chr_new("debugcon", devname, NULL)) {
2551 exit(1);
2552 }
2553 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2554 if (!opts) {
2555 fprintf(stderr, "qemu: already have a debugcon device\n");
2556 exit(1);
2557 }
2558 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2559 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2560 return 0;
2561 }
2562
2563 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2564 {
2565 const MachineClass *mc1 = a, *mc2 = b;
2566 int res;
2567
2568 if (mc1->family == NULL) {
2569 if (mc2->family == NULL) {
2570 /* Compare standalone machine types against each other; they sort
2571 * in increasing order.
2572 */
2573 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2574 object_class_get_name(OBJECT_CLASS(mc2)));
2575 }
2576
2577 /* Standalone machine types sort after families. */
2578 return 1;
2579 }
2580
2581 if (mc2->family == NULL) {
2582 /* Families sort before standalone machine types. */
2583 return -1;
2584 }
2585
2586 /* Families sort between each other alphabetically increasingly. */
2587 res = strcmp(mc1->family, mc2->family);
2588 if (res != 0) {
2589 return res;
2590 }
2591
2592 /* Within the same family, machine types sort in decreasing order. */
2593 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2594 object_class_get_name(OBJECT_CLASS(mc1)));
2595 }
2596
2597 static MachineClass *machine_parse(const char *name)
2598 {
2599 MachineClass *mc = NULL;
2600 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2601
2602 if (name) {
2603 mc = find_machine(name);
2604 }
2605 if (mc) {
2606 g_slist_free(machines);
2607 return mc;
2608 }
2609 if (name && !is_help_option(name)) {
2610 error_report("Unsupported machine type");
2611 error_printf("Use -machine help to list supported machines!\n");
2612 } else {
2613 printf("Supported machines are:\n");
2614 machines = g_slist_sort(machines, machine_class_cmp);
2615 for (el = machines; el; el = el->next) {
2616 MachineClass *mc = el->data;
2617 if (mc->alias) {
2618 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2619 }
2620 printf("%-20s %s%s\n", mc->name, mc->desc,
2621 mc->is_default ? " (default)" : "");
2622 }
2623 }
2624
2625 g_slist_free(machines);
2626 exit(!name || !is_help_option(name));
2627 }
2628
2629 void qemu_add_exit_notifier(Notifier *notify)
2630 {
2631 notifier_list_add(&exit_notifiers, notify);
2632 }
2633
2634 void qemu_remove_exit_notifier(Notifier *notify)
2635 {
2636 notifier_remove(notify);
2637 }
2638
2639 static void qemu_run_exit_notifiers(void)
2640 {
2641 notifier_list_notify(&exit_notifiers, NULL);
2642 }
2643
2644 static bool machine_init_done;
2645
2646 void qemu_add_machine_init_done_notifier(Notifier *notify)
2647 {
2648 notifier_list_add(&machine_init_done_notifiers, notify);
2649 if (machine_init_done) {
2650 notify->notify(notify, NULL);
2651 }
2652 }
2653
2654 static void qemu_run_machine_init_done_notifiers(void)
2655 {
2656 notifier_list_notify(&machine_init_done_notifiers, NULL);
2657 machine_init_done = true;
2658 }
2659
2660 static const QEMUOption *lookup_opt(int argc, char **argv,
2661 const char **poptarg, int *poptind)
2662 {
2663 const QEMUOption *popt;
2664 int optind = *poptind;
2665 char *r = argv[optind];
2666 const char *optarg;
2667
2668 loc_set_cmdline(argv, optind, 1);
2669 optind++;
2670 /* Treat --foo the same as -foo. */
2671 if (r[1] == '-')
2672 r++;
2673 popt = qemu_options;
2674 for(;;) {
2675 if (!popt->name) {
2676 error_report("invalid option");
2677 exit(1);
2678 }
2679 if (!strcmp(popt->name, r + 1))
2680 break;
2681 popt++;
2682 }
2683 if (popt->flags & HAS_ARG) {
2684 if (optind >= argc) {
2685 error_report("requires an argument");
2686 exit(1);
2687 }
2688 optarg = argv[optind++];
2689 loc_set_cmdline(argv, optind - 2, 2);
2690 } else {
2691 optarg = NULL;
2692 }
2693
2694 *poptarg = optarg;
2695 *poptind = optind;
2696
2697 return popt;
2698 }
2699
2700 static gpointer malloc_and_trace(gsize n_bytes)
2701 {
2702 void *ptr = malloc(n_bytes);
2703 trace_g_malloc(n_bytes, ptr);
2704 return ptr;
2705 }
2706
2707 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2708 {
2709 void *ptr = realloc(mem, n_bytes);
2710 trace_g_realloc(mem, n_bytes, ptr);
2711 return ptr;
2712 }
2713
2714 static void free_and_trace(gpointer mem)
2715 {
2716 trace_g_free(mem);
2717 free(mem);
2718 }
2719
2720 static int machine_set_property(void *opaque,
2721 const char *name, const char *value,
2722 Error **errp)
2723 {
2724 Object *obj = OBJECT(opaque);
2725 Error *local_err = NULL;
2726 char *c, *qom_name;
2727
2728 if (strcmp(name, "type") == 0) {
2729 return 0;
2730 }
2731
2732 qom_name = g_strdup(name);
2733 c = qom_name;
2734 while (*c++) {
2735 if (*c == '_') {
2736 *c = '-';
2737 }
2738 }
2739
2740 object_property_parse(obj, value, qom_name, &local_err);
2741 g_free(qom_name);
2742
2743 if (local_err) {
2744 error_report_err(local_err);
2745 return -1;
2746 }
2747
2748 return 0;
2749 }
2750
2751
2752 /*
2753 * Initial object creation happens before all other
2754 * QEMU data types are created. The majority of objects
2755 * can be created at this point. The rng-egd object
2756 * cannot be created here, as it depends on the chardev
2757 * already existing.
2758 */
2759 static bool object_create_initial(const char *type)
2760 {
2761 if (g_str_equal(type, "rng-egd")) {
2762 return false;
2763 }
2764 return true;
2765 }
2766
2767
2768 /*
2769 * The remainder of object creation happens after the
2770 * creation of chardev, fsdev and device data types.
2771 */
2772 static bool object_create_delayed(const char *type)
2773 {
2774 return !object_create_initial(type);
2775 }
2776
2777
2778 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2779 {
2780 Error *err = NULL;
2781 char *type = NULL;
2782 char *id = NULL;
2783 void *dummy = NULL;
2784 OptsVisitor *ov;
2785 QDict *pdict;
2786 bool (*type_predicate)(const char *) = opaque;
2787
2788 ov = opts_visitor_new(opts);
2789 pdict = qemu_opts_to_qdict(opts, NULL);
2790
2791 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2792 if (err) {
2793 goto out;
2794 }
2795
2796 qdict_del(pdict, "qom-type");
2797 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2798 if (err) {
2799 goto out;
2800 }
2801 if (!type_predicate(type)) {
2802 goto out;
2803 }
2804
2805 qdict_del(pdict, "id");
2806 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2807 if (err) {
2808 goto out;
2809 }
2810
2811 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2812 if (err) {
2813 goto out;
2814 }
2815 visit_end_struct(opts_get_visitor(ov), &err);
2816 if (err) {
2817 qmp_object_del(id, NULL);
2818 }
2819
2820 out:
2821 opts_visitor_cleanup(ov);
2822
2823 QDECREF(pdict);
2824 g_free(id);
2825 g_free(type);
2826 g_free(dummy);
2827 if (err) {
2828 error_report_err(err);
2829 return -1;
2830 }
2831 return 0;
2832 }
2833
2834 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2835 MachineClass *mc)
2836 {
2837 uint64_t sz;
2838 const char *mem_str;
2839 const char *maxmem_str, *slots_str;
2840 const ram_addr_t default_ram_size = mc->default_ram_size;
2841 QemuOpts *opts = qemu_find_opts_singleton("memory");
2842
2843 sz = 0;
2844 mem_str = qemu_opt_get(opts, "size");
2845 if (mem_str) {
2846 if (!*mem_str) {
2847 error_report("missing 'size' option value");
2848 exit(EXIT_FAILURE);
2849 }
2850
2851 sz = qemu_opt_get_size(opts, "size", ram_size);
2852
2853 /* Fix up legacy suffix-less format */
2854 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2855 uint64_t overflow_check = sz;
2856
2857 sz <<= 20;
2858 if ((sz >> 20) != overflow_check) {
2859 error_report("too large 'size' option value");
2860 exit(EXIT_FAILURE);
2861 }
2862 }
2863 }
2864
2865 /* backward compatibility behaviour for case "-m 0" */
2866 if (sz == 0) {
2867 sz = default_ram_size;
2868 }
2869
2870 sz = QEMU_ALIGN_UP(sz, 8192);
2871 ram_size = sz;
2872 if (ram_size != sz) {
2873 error_report("ram size too large");
2874 exit(EXIT_FAILURE);
2875 }
2876
2877 /* store value for the future use */
2878 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2879 *maxram_size = ram_size;
2880
2881 maxmem_str = qemu_opt_get(opts, "maxmem");
2882 slots_str = qemu_opt_get(opts, "slots");
2883 if (maxmem_str && slots_str) {
2884 uint64_t slots;
2885
2886 sz = qemu_opt_get_size(opts, "maxmem", 0);
2887 slots = qemu_opt_get_number(opts, "slots", 0);
2888 if (sz < ram_size) {
2889 error_report("invalid value of -m option maxmem: "
2890 "maximum memory size (0x%" PRIx64 ") must be at least "
2891 "the initial memory size (0x" RAM_ADDR_FMT ")",
2892 sz, ram_size);
2893 exit(EXIT_FAILURE);
2894 } else if (sz > ram_size) {
2895 if (!slots) {
2896 error_report("invalid value of -m option: maxmem was "
2897 "specified, but no hotplug slots were specified");
2898 exit(EXIT_FAILURE);
2899 }
2900 } else if (slots) {
2901 error_report("invalid value of -m option maxmem: "
2902 "memory slots were specified but maximum memory size "
2903 "(0x%" PRIx64 ") is equal to the initial memory size "
2904 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2905 exit(EXIT_FAILURE);
2906 }
2907
2908 *maxram_size = sz;
2909 *ram_slots = slots;
2910 } else if ((!maxmem_str && slots_str) ||
2911 (maxmem_str && !slots_str)) {
2912 error_report("invalid -m option value: missing "
2913 "'%s' option", slots_str ? "maxmem" : "slots");
2914 exit(EXIT_FAILURE);
2915 }
2916 }
2917
2918 int main(int argc, char **argv, char **envp)
2919 {
2920 int i;
2921 int snapshot, linux_boot;
2922 const char *initrd_filename;
2923 const char *kernel_filename, *kernel_cmdline;
2924 const char *boot_order = NULL;
2925 const char *boot_once = NULL;
2926 DisplayState *ds;
2927 int cyls, heads, secs, translation;
2928 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2929 QemuOptsList *olist;
2930 int optind;
2931 const char *optarg;
2932 const char *loadvm = NULL;
2933 MachineClass *machine_class;
2934 const char *cpu_model;
2935 const char *vga_model = NULL;
2936 const char *qtest_chrdev = NULL;
2937 const char *qtest_log = NULL;
2938 const char *pid_file = NULL;
2939 const char *incoming = NULL;
2940 #ifdef CONFIG_VNC
2941 int show_vnc_port = 0;
2942 #endif
2943 bool defconfig = true;
2944 bool userconfig = true;
2945 const char *log_mask = NULL;
2946 const char *log_file = NULL;
2947 GMemVTable mem_trace = {
2948 .malloc = malloc_and_trace,
2949 .realloc = realloc_and_trace,
2950 .free = free_and_trace,
2951 };
2952 const char *trace_events = NULL;
2953 const char *trace_file = NULL;
2954 ram_addr_t maxram_size;
2955 uint64_t ram_slots = 0;
2956 FILE *vmstate_dump_file = NULL;
2957 Error *main_loop_err = NULL;
2958 Error *err = NULL;
2959
2960 qemu_init_cpu_loop();
2961 qemu_mutex_lock_iothread();
2962
2963 atexit(qemu_run_exit_notifiers);
2964 error_set_progname(argv[0]);
2965 qemu_init_exec_dir(argv[0]);
2966
2967 g_mem_set_vtable(&mem_trace);
2968
2969 module_call_init(MODULE_INIT_QOM);
2970
2971 qemu_add_opts(&qemu_drive_opts);
2972 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2973 qemu_add_drive_opts(&qemu_common_drive_opts);
2974 qemu_add_drive_opts(&qemu_drive_opts);
2975 qemu_add_opts(&qemu_chardev_opts);
2976 qemu_add_opts(&qemu_device_opts);
2977 qemu_add_opts(&qemu_netdev_opts);
2978 qemu_add_opts(&qemu_net_opts);
2979 qemu_add_opts(&qemu_rtc_opts);
2980 qemu_add_opts(&qemu_global_opts);
2981 qemu_add_opts(&qemu_mon_opts);
2982 qemu_add_opts(&qemu_trace_opts);
2983 qemu_add_opts(&qemu_option_rom_opts);
2984 qemu_add_opts(&qemu_machine_opts);
2985 qemu_add_opts(&qemu_mem_opts);
2986 qemu_add_opts(&qemu_smp_opts);
2987 qemu_add_opts(&qemu_boot_opts);
2988 qemu_add_opts(&qemu_sandbox_opts);
2989 qemu_add_opts(&qemu_add_fd_opts);
2990 qemu_add_opts(&qemu_object_opts);
2991 qemu_add_opts(&qemu_tpmdev_opts);
2992 qemu_add_opts(&qemu_realtime_opts);
2993 qemu_add_opts(&qemu_msg_opts);
2994 qemu_add_opts(&qemu_name_opts);
2995 qemu_add_opts(&qemu_numa_opts);
2996 qemu_add_opts(&qemu_icount_opts);
2997 qemu_add_opts(&qemu_semihosting_config_opts);
2998 qemu_add_opts(&qemu_fw_cfg_opts);
2999
3000 runstate_init();
3001
3002 if (qcrypto_init(&err) < 0) {
3003 fprintf(stderr, "Cannot initialize crypto: %s\n",
3004 error_get_pretty(err));
3005 exit(1);
3006 }
3007 rtc_clock = QEMU_CLOCK_HOST;
3008
3009 QLIST_INIT (&vm_change_state_head);
3010 os_setup_early_signal_handling();
3011
3012 module_call_init(MODULE_INIT_MACHINE);
3013 machine_class = find_default_machine();
3014 cpu_model = NULL;
3015 snapshot = 0;
3016 cyls = heads = secs = 0;
3017 translation = BIOS_ATA_TRANSLATION_AUTO;
3018
3019 nb_nics = 0;
3020
3021 bdrv_init_with_whitelist();
3022
3023 autostart = 1;
3024
3025 /* first pass of option parsing */
3026 optind = 1;
3027 while (optind < argc) {
3028 if (argv[optind][0] != '-') {
3029 /* disk image */
3030 optind++;
3031 } else {
3032 const QEMUOption *popt;
3033
3034 popt = lookup_opt(argc, argv, &optarg, &optind);
3035 switch (popt->index) {
3036 case QEMU_OPTION_nodefconfig:
3037 defconfig = false;
3038 break;
3039 case QEMU_OPTION_nouserconfig:
3040 userconfig = false;
3041 break;
3042 }
3043 }
3044 }
3045
3046 if (defconfig) {
3047 int ret;
3048 ret = qemu_read_default_config_files(userconfig);
3049 if (ret < 0) {
3050 exit(1);
3051 }
3052 }
3053
3054 /* second pass of option parsing */
3055 optind = 1;
3056 for(;;) {
3057 if (optind >= argc)
3058 break;
3059 if (argv[optind][0] != '-') {
3060 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3061 } else {
3062 const QEMUOption *popt;
3063
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 if (!(popt->arch_mask & arch_type)) {
3066 printf("Option %s not supported for this target\n", popt->name);
3067 exit(1);
3068 }
3069 switch(popt->index) {
3070 case QEMU_OPTION_no_kvm_irqchip: {
3071 olist = qemu_find_opts("machine");
3072 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3073 break;
3074 }
3075 case QEMU_OPTION_cpu:
3076 /* hw initialization will check this */
3077 cpu_model = optarg;
3078 break;
3079 case QEMU_OPTION_hda:
3080 {
3081 char buf[256];
3082 if (cyls == 0)
3083 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3084 else
3085 snprintf(buf, sizeof(buf),
3086 "%s,cyls=%d,heads=%d,secs=%d%s",
3087 HD_OPTS , cyls, heads, secs,
3088 translation == BIOS_ATA_TRANSLATION_LBA ?
3089 ",trans=lba" :
3090 translation == BIOS_ATA_TRANSLATION_NONE ?
3091 ",trans=none" : "");
3092 drive_add(IF_DEFAULT, 0, optarg, buf);
3093 break;
3094 }
3095 case QEMU_OPTION_hdb:
3096 case QEMU_OPTION_hdc:
3097 case QEMU_OPTION_hdd:
3098 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3099 HD_OPTS);
3100 break;
3101 case QEMU_OPTION_drive:
3102 if (drive_def(optarg) == NULL) {
3103 exit(1);
3104 }
3105 break;
3106 case QEMU_OPTION_set:
3107 if (qemu_set_option(optarg) != 0)
3108 exit(1);
3109 break;
3110 case QEMU_OPTION_global:
3111 if (qemu_global_option(optarg) != 0)
3112 exit(1);
3113 break;
3114 case QEMU_OPTION_mtdblock:
3115 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3116 break;
3117 case QEMU_OPTION_sd:
3118 drive_add(IF_SD, -1, optarg, SD_OPTS);
3119 break;
3120 case QEMU_OPTION_pflash:
3121 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3122 break;
3123 case QEMU_OPTION_snapshot:
3124 snapshot = 1;
3125 break;
3126 case QEMU_OPTION_hdachs:
3127 {
3128 const char *p;
3129 p = optarg;
3130 cyls = strtol(p, (char **)&p, 0);
3131 if (cyls < 1 || cyls > 16383)
3132 goto chs_fail;
3133 if (*p != ',')
3134 goto chs_fail;
3135 p++;
3136 heads = strtol(p, (char **)&p, 0);
3137 if (heads < 1 || heads > 16)
3138 goto chs_fail;
3139 if (*p != ',')
3140 goto chs_fail;
3141 p++;
3142 secs = strtol(p, (char **)&p, 0);
3143 if (secs < 1 || secs > 63)
3144 goto chs_fail;
3145 if (*p == ',') {
3146 p++;
3147 if (!strcmp(p, "large")) {
3148 translation = BIOS_ATA_TRANSLATION_LARGE;
3149 } else if (!strcmp(p, "rechs")) {
3150 translation = BIOS_ATA_TRANSLATION_RECHS;
3151 } else if (!strcmp(p, "none")) {
3152 translation = BIOS_ATA_TRANSLATION_NONE;
3153 } else if (!strcmp(p, "lba")) {
3154 translation = BIOS_ATA_TRANSLATION_LBA;
3155 } else if (!strcmp(p, "auto")) {
3156 translation = BIOS_ATA_TRANSLATION_AUTO;
3157 } else {
3158 goto chs_fail;
3159 }
3160 } else if (*p != '\0') {
3161 chs_fail:
3162 fprintf(stderr, "qemu: invalid physical CHS format\n");
3163 exit(1);
3164 }
3165 if (hda_opts != NULL) {
3166 qemu_opt_set_number(hda_opts, "cyls", cyls,
3167 &error_abort);
3168 qemu_opt_set_number(hda_opts, "heads", heads,
3169 &error_abort);
3170 qemu_opt_set_number(hda_opts, "secs", secs,
3171 &error_abort);
3172 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3173 qemu_opt_set(hda_opts, "trans", "large",
3174 &error_abort);
3175 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3176 qemu_opt_set(hda_opts, "trans", "rechs",
3177 &error_abort);
3178 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3179 qemu_opt_set(hda_opts, "trans", "lba",
3180 &error_abort);
3181 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3182 qemu_opt_set(hda_opts, "trans", "none",
3183 &error_abort);
3184 }
3185 }
3186 }
3187 break;
3188 case QEMU_OPTION_numa:
3189 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3190 optarg, true);
3191 if (!opts) {
3192 exit(1);
3193 }
3194 break;
3195 case QEMU_OPTION_display:
3196 display_type = select_display(optarg);
3197 break;
3198 case QEMU_OPTION_nographic:
3199 display_type = DT_NOGRAPHIC;
3200 break;
3201 case QEMU_OPTION_curses:
3202 #ifdef CONFIG_CURSES
3203 display_type = DT_CURSES;
3204 #else
3205 fprintf(stderr, "Curses support is disabled\n");
3206 exit(1);
3207 #endif
3208 break;
3209 case QEMU_OPTION_portrait:
3210 graphic_rotate = 90;
3211 break;
3212 case QEMU_OPTION_rotate:
3213 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3214 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3215 graphic_rotate != 180 && graphic_rotate != 270) {
3216 fprintf(stderr,
3217 "qemu: only 90, 180, 270 deg rotation is available\n");
3218 exit(1);
3219 }
3220 break;
3221 case QEMU_OPTION_kernel:
3222 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3223 &error_abort);
3224 break;
3225 case QEMU_OPTION_initrd:
3226 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3227 &error_abort);
3228 break;
3229 case QEMU_OPTION_append:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3231 &error_abort);
3232 break;
3233 case QEMU_OPTION_dtb:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3235 &error_abort);
3236 break;
3237 case QEMU_OPTION_cdrom:
3238 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3239 break;
3240 case QEMU_OPTION_boot:
3241 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3242 optarg, true);
3243 if (!opts) {
3244 exit(1);
3245 }
3246 break;
3247 case QEMU_OPTION_fda:
3248 case QEMU_OPTION_fdb:
3249 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3250 optarg, FD_OPTS);
3251 break;
3252 case QEMU_OPTION_no_fd_bootchk:
3253 fd_bootchk = 0;
3254 break;
3255 case QEMU_OPTION_netdev:
3256 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3257 exit(1);
3258 }
3259 break;
3260 case QEMU_OPTION_net:
3261 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3262 exit(1);
3263 }
3264 break;
3265 #ifdef CONFIG_LIBISCSI
3266 case QEMU_OPTION_iscsi:
3267 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3268 optarg, false);
3269 if (!opts) {
3270 exit(1);
3271 }
3272 break;
3273 #endif
3274 #ifdef CONFIG_SLIRP
3275 case QEMU_OPTION_tftp:
3276 legacy_tftp_prefix = optarg;
3277 break;
3278 case QEMU_OPTION_bootp:
3279 legacy_bootp_filename = optarg;
3280 break;
3281 case QEMU_OPTION_redir:
3282 if (net_slirp_redir(optarg) < 0)
3283 exit(1);
3284 break;
3285 #endif
3286 case QEMU_OPTION_bt:
3287 add_device_config(DEV_BT, optarg);
3288 break;
3289 case QEMU_OPTION_audio_help:
3290 AUD_help ();
3291 exit (0);
3292 break;
3293 case QEMU_OPTION_soundhw:
3294 select_soundhw (optarg);
3295 break;
3296 case QEMU_OPTION_h:
3297 help(0);
3298 break;
3299 case QEMU_OPTION_version:
3300 version();
3301 exit(0);
3302 break;
3303 case QEMU_OPTION_m:
3304 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3305 optarg, true);
3306 if (!opts) {
3307 exit(EXIT_FAILURE);
3308 }
3309 break;
3310 #ifdef CONFIG_TPM
3311 case QEMU_OPTION_tpmdev:
3312 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3313 exit(1);
3314 }
3315 break;
3316 #endif
3317 case QEMU_OPTION_mempath:
3318 mem_path = optarg;
3319 break;
3320 case QEMU_OPTION_mem_prealloc:
3321 mem_prealloc = 1;
3322 break;
3323 case QEMU_OPTION_d:
3324 log_mask = optarg;
3325 break;
3326 case QEMU_OPTION_D:
3327 log_file = optarg;
3328 break;
3329 case QEMU_OPTION_s:
3330 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3331 break;
3332 case QEMU_OPTION_gdb:
3333 add_device_config(DEV_GDB, optarg);
3334 break;
3335 case QEMU_OPTION_L:
3336 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3337 data_dir[data_dir_idx++] = optarg;
3338 }
3339 break;
3340 case QEMU_OPTION_bios:
3341 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3342 &error_abort);
3343 break;
3344 case QEMU_OPTION_singlestep:
3345 singlestep = 1;
3346 break;
3347 case QEMU_OPTION_S:
3348 autostart = 0;
3349 break;
3350 case QEMU_OPTION_k:
3351 keyboard_layout = optarg;
3352 break;
3353 case QEMU_OPTION_localtime:
3354 rtc_utc = 0;
3355 break;
3356 case QEMU_OPTION_vga:
3357 vga_model = optarg;
3358 default_vga = 0;
3359 break;
3360 case QEMU_OPTION_g:
3361 {
3362 const char *p;
3363 int w, h, depth;
3364 p = optarg;
3365 w = strtol(p, (char **)&p, 10);
3366 if (w <= 0) {
3367 graphic_error:
3368 fprintf(stderr, "qemu: invalid resolution or depth\n");
3369 exit(1);
3370 }
3371 if (*p != 'x')
3372 goto graphic_error;
3373 p++;
3374 h = strtol(p, (char **)&p, 10);
3375 if (h <= 0)
3376 goto graphic_error;
3377 if (*p == 'x') {
3378 p++;
3379 depth = strtol(p, (char **)&p, 10);
3380 if (depth != 8 && depth != 15 && depth != 16 &&
3381 depth != 24 && depth != 32)
3382 goto graphic_error;
3383 } else if (*p == '\0') {
3384 depth = graphic_depth;
3385 } else {
3386 goto graphic_error;
3387 }
3388
3389 graphic_width = w;
3390 graphic_height = h;
3391 graphic_depth = depth;
3392 }
3393 break;
3394 case QEMU_OPTION_echr:
3395 {
3396 char *r;
3397 term_escape_char = strtol(optarg, &r, 0);
3398 if (r == optarg)
3399 printf("Bad argument to echr\n");
3400 break;
3401 }
3402 case QEMU_OPTION_monitor:
3403 default_monitor = 0;
3404 if (strncmp(optarg, "none", 4)) {
3405 monitor_parse(optarg, "readline", false);
3406 }
3407 break;
3408 case QEMU_OPTION_qmp:
3409 monitor_parse(optarg, "control", false);
3410 default_monitor = 0;
3411 break;
3412 case QEMU_OPTION_qmp_pretty:
3413 monitor_parse(optarg, "control", true);
3414 default_monitor = 0;
3415 break;
3416 case QEMU_OPTION_mon:
3417 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3418 true);
3419 if (!opts) {
3420 exit(1);
3421 }
3422 default_monitor = 0;
3423 break;
3424 case QEMU_OPTION_chardev:
3425 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3426 optarg, true);
3427 if (!opts) {
3428 exit(1);
3429 }
3430 break;
3431 case QEMU_OPTION_fsdev:
3432 olist = qemu_find_opts("fsdev");
3433 if (!olist) {
3434 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3435 exit(1);
3436 }
3437 opts = qemu_opts_parse_noisily(olist, optarg, true);
3438 if (!opts) {
3439 exit(1);
3440 }
3441 break;
3442 case QEMU_OPTION_virtfs: {
3443 QemuOpts *fsdev;
3444 QemuOpts *device;
3445 const char *writeout, *sock_fd, *socket;
3446
3447 olist = qemu_find_opts("virtfs");
3448 if (!olist) {
3449 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3450 exit(1);
3451 }
3452 opts = qemu_opts_parse_noisily(olist, optarg, true);
3453 if (!opts) {
3454 exit(1);
3455 }
3456
3457 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3458 qemu_opt_get(opts, "mount_tag") == NULL) {
3459 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3460 exit(1);
3461 }
3462 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3463 qemu_opt_get(opts, "mount_tag"),
3464 1, NULL);
3465 if (!fsdev) {
3466 fprintf(stderr, "duplicate fsdev id: %s\n",
3467 qemu_opt_get(opts, "mount_tag"));
3468 exit(1);
3469 }
3470
3471 writeout = qemu_opt_get(opts, "writeout");
3472 if (writeout) {
3473 #ifdef CONFIG_SYNC_FILE_RANGE
3474 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3475 #else
3476 fprintf(stderr, "writeout=immediate not supported on "
3477 "this platform\n");
3478 exit(1);
3479 #endif
3480 }
3481 qemu_opt_set(fsdev, "fsdriver",
3482 qemu_opt_get(opts, "fsdriver"), &error_abort);
3483 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3484 &error_abort);
3485 qemu_opt_set(fsdev, "security_model",
3486 qemu_opt_get(opts, "security_model"),
3487 &error_abort);
3488 socket = qemu_opt_get(opts, "socket");
3489 if (socket) {
3490 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3491 }
3492 sock_fd = qemu_opt_get(opts, "sock_fd");
3493 if (sock_fd) {
3494 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3495 }
3496
3497 qemu_opt_set_bool(fsdev, "readonly",
3498 qemu_opt_get_bool(opts, "readonly", 0),
3499 &error_abort);
3500 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3501 &error_abort);
3502 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3503 qemu_opt_set(device, "fsdev",
3504 qemu_opt_get(opts, "mount_tag"), &error_abort);
3505 qemu_opt_set(device, "mount_tag",
3506 qemu_opt_get(opts, "mount_tag"), &error_abort);
3507 break;
3508 }
3509 case QEMU_OPTION_virtfs_synth: {
3510 QemuOpts *fsdev;
3511 QemuOpts *device;
3512
3513 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3514 1, NULL);
3515 if (!fsdev) {
3516 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3517 exit(1);
3518 }
3519 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3520
3521 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3522 &error_abort);
3523 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3524 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3525 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3526 break;
3527 }
3528 case QEMU_OPTION_serial:
3529 add_device_config(DEV_SERIAL, optarg);
3530 default_serial = 0;
3531 if (strncmp(optarg, "mon:", 4) == 0) {
3532 default_monitor = 0;
3533 }
3534 break;
3535 case QEMU_OPTION_watchdog:
3536 if (watchdog) {
3537 fprintf(stderr,
3538 "qemu: only one watchdog option may be given\n");
3539 return 1;
3540 }
3541 watchdog = optarg;
3542 break;
3543 case QEMU_OPTION_watchdog_action:
3544 if (select_watchdog_action(optarg) == -1) {
3545 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3546 exit(1);
3547 }
3548 break;
3549 case QEMU_OPTION_virtiocon:
3550 add_device_config(DEV_VIRTCON, optarg);
3551 default_virtcon = 0;
3552 if (strncmp(optarg, "mon:", 4) == 0) {
3553 default_monitor = 0;
3554 }
3555 break;
3556 case QEMU_OPTION_parallel:
3557 add_device_config(DEV_PARALLEL, optarg);
3558 default_parallel = 0;
3559 if (strncmp(optarg, "mon:", 4) == 0) {
3560 default_monitor = 0;
3561 }
3562 break;
3563 case QEMU_OPTION_debugcon:
3564 add_device_config(DEV_DEBUGCON, optarg);
3565 break;
3566 case QEMU_OPTION_loadvm:
3567 loadvm = optarg;
3568 break;
3569 case QEMU_OPTION_full_screen:
3570 full_screen = 1;
3571 break;
3572 case QEMU_OPTION_no_frame:
3573 no_frame = 1;
3574 break;
3575 case QEMU_OPTION_alt_grab:
3576 alt_grab = 1;
3577 break;
3578 case QEMU_OPTION_ctrl_grab:
3579 ctrl_grab = 1;
3580 break;
3581 case QEMU_OPTION_no_quit:
3582 no_quit = 1;
3583 break;
3584 case QEMU_OPTION_sdl:
3585 #ifdef CONFIG_SDL
3586 display_type = DT_SDL;
3587 break;
3588 #else
3589 fprintf(stderr, "SDL support is disabled\n");
3590 exit(1);
3591 #endif
3592 case QEMU_OPTION_pidfile:
3593 pid_file = optarg;
3594 break;
3595 case QEMU_OPTION_win2k_hack:
3596 win2k_install_hack = 1;
3597 break;
3598 case QEMU_OPTION_rtc_td_hack: {
3599 static GlobalProperty slew_lost_ticks[] = {
3600 {
3601 .driver = "mc146818rtc",
3602 .property = "lost_tick_policy",
3603 .value = "slew",
3604 },
3605 { /* end of list */ }
3606 };
3607
3608 qdev_prop_register_global_list(slew_lost_ticks);
3609 break;
3610 }
3611 case QEMU_OPTION_acpitable:
3612 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3613 optarg, true);
3614 if (!opts) {
3615 exit(1);
3616 }
3617 do_acpitable_option(opts);
3618 break;
3619 case QEMU_OPTION_smbios:
3620 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3621 optarg, false);
3622 if (!opts) {
3623 exit(1);
3624 }
3625 do_smbios_option(opts);
3626 break;
3627 case QEMU_OPTION_fwcfg:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3629 optarg, true);
3630 if (opts == NULL) {
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_enable_kvm:
3635 olist = qemu_find_opts("machine");
3636 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3637 break;
3638 case QEMU_OPTION_M:
3639 case QEMU_OPTION_machine:
3640 olist = qemu_find_opts("machine");
3641 opts = qemu_opts_parse_noisily(olist, optarg, true);
3642 if (!opts) {
3643 exit(1);
3644 }
3645 break;
3646 case QEMU_OPTION_no_kvm:
3647 olist = qemu_find_opts("machine");
3648 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3649 break;
3650 case QEMU_OPTION_no_kvm_pit: {
3651 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3652 "separately.\n");
3653 break;
3654 }
3655 case QEMU_OPTION_no_kvm_pit_reinjection: {
3656 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3657 {
3658 .driver = "kvm-pit",
3659 .property = "lost_tick_policy",
3660 .value = "discard",
3661 },
3662 { /* end of list */ }
3663 };
3664
3665 fprintf(stderr, "Warning: option deprecated, use "
3666 "lost_tick_policy property of kvm-pit instead.\n");
3667 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3668 break;
3669 }
3670 case QEMU_OPTION_usb:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "usb=on", false);
3673 break;
3674 case QEMU_OPTION_usbdevice:
3675 olist = qemu_find_opts("machine");
3676 qemu_opts_parse_noisily(olist, "usb=on", false);
3677 add_device_config(DEV_USB, optarg);
3678 break;
3679 case QEMU_OPTION_device:
3680 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3681 optarg, true)) {
3682 exit(1);
3683 }
3684 break;
3685 case QEMU_OPTION_smp:
3686 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3687 optarg, true)) {
3688 exit(1);
3689 }
3690 break;
3691 case QEMU_OPTION_vnc:
3692 {
3693 #ifdef CONFIG_VNC
3694 Error *local_err = NULL;
3695
3696 if (vnc_parse(optarg, &local_err) == NULL) {
3697 error_report_err(local_err);
3698 exit(1);
3699 }
3700 #else
3701 fprintf(stderr, "VNC support is disabled\n");
3702 exit(1);
3703 #endif
3704 break;
3705 }
3706 case QEMU_OPTION_no_acpi:
3707 acpi_enabled = 0;
3708 break;
3709 case QEMU_OPTION_no_hpet:
3710 no_hpet = 1;
3711 break;
3712 case QEMU_OPTION_balloon:
3713 if (balloon_parse(optarg) < 0) {
3714 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_no_reboot:
3719 no_reboot = 1;
3720 break;
3721 case QEMU_OPTION_no_shutdown:
3722 no_shutdown = 1;
3723 break;
3724 case QEMU_OPTION_show_cursor:
3725 cursor_hide = 0;
3726 break;
3727 case QEMU_OPTION_uuid:
3728 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3729 fprintf(stderr, "Fail to parse UUID string."
3730 " Wrong format.\n");
3731 exit(1);
3732 }
3733 qemu_uuid_set = true;
3734 break;
3735 case QEMU_OPTION_option_rom:
3736 if (nb_option_roms >= MAX_OPTION_ROMS) {
3737 fprintf(stderr, "Too many option ROMs\n");
3738 exit(1);
3739 }
3740 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3741 optarg, true);
3742 if (!opts) {
3743 exit(1);
3744 }
3745 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3746 option_rom[nb_option_roms].bootindex =
3747 qemu_opt_get_number(opts, "bootindex", -1);
3748 if (!option_rom[nb_option_roms].name) {
3749 fprintf(stderr, "Option ROM file is not specified\n");
3750 exit(1);
3751 }
3752 nb_option_roms++;
3753 break;
3754 case QEMU_OPTION_semihosting:
3755 semihosting.enabled = true;
3756 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3757 break;
3758 case QEMU_OPTION_semihosting_config:
3759 semihosting.enabled = true;
3760 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3761 optarg, false);
3762 if (opts != NULL) {
3763 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3764 true);
3765 const char *target = qemu_opt_get(opts, "target");
3766 if (target != NULL) {
3767 if (strcmp("native", target) == 0) {
3768 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3769 } else if (strcmp("gdb", target) == 0) {
3770 semihosting.target = SEMIHOSTING_TARGET_GDB;
3771 } else if (strcmp("auto", target) == 0) {
3772 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3773 } else {
3774 fprintf(stderr, "Unsupported semihosting-config"
3775 " %s\n",
3776 optarg);
3777 exit(1);
3778 }
3779 } else {
3780 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3781 }
3782 /* Set semihosting argument count and vector */
3783 qemu_opt_foreach(opts, add_semihosting_arg,
3784 &semihosting, NULL);
3785 } else {
3786 fprintf(stderr, "Unsupported semihosting-config %s\n",
3787 optarg);
3788 exit(1);
3789 }
3790 break;
3791 case QEMU_OPTION_tdf:
3792 fprintf(stderr, "Warning: user space PIT time drift fix "
3793 "is no longer supported.\n");
3794 break;
3795 case QEMU_OPTION_name:
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3797 optarg, true);
3798 if (!opts) {
3799 exit(1);
3800 }
3801 break;
3802 case QEMU_OPTION_prom_env:
3803 if (nb_prom_envs >= MAX_PROM_ENVS) {
3804 fprintf(stderr, "Too many prom variables\n");
3805 exit(1);
3806 }
3807 prom_envs[nb_prom_envs] = optarg;
3808 nb_prom_envs++;
3809 break;
3810 case QEMU_OPTION_old_param:
3811 old_param = 1;
3812 break;
3813 case QEMU_OPTION_clock:
3814 /* Clock options no longer exist. Keep this option for
3815 * backward compatibility.
3816 */
3817 break;
3818 case QEMU_OPTION_startdate:
3819 configure_rtc_date_offset(optarg, 1);
3820 break;
3821 case QEMU_OPTION_rtc:
3822 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3823 false);
3824 if (!opts) {
3825 exit(1);
3826 }
3827 configure_rtc(opts);
3828 break;
3829 case QEMU_OPTION_tb_size:
3830 tcg_tb_size = strtol(optarg, NULL, 0);
3831 if (tcg_tb_size < 0) {
3832 tcg_tb_size = 0;
3833 }
3834 break;
3835 case QEMU_OPTION_icount:
3836 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3837 optarg, true);
3838 if (!icount_opts) {
3839 exit(1);
3840 }
3841 break;
3842 case QEMU_OPTION_incoming:
3843 if (!incoming) {
3844 runstate_set(RUN_STATE_INMIGRATE);
3845 }
3846 incoming = optarg;
3847 break;
3848 case QEMU_OPTION_nodefaults:
3849 has_defaults = 0;
3850 break;
3851 case QEMU_OPTION_xen_domid:
3852 if (!(xen_available())) {
3853 printf("Option %s not supported for this target\n", popt->name);
3854 exit(1);
3855 }
3856 xen_domid = atoi(optarg);
3857 break;
3858 case QEMU_OPTION_xen_create:
3859 if (!(xen_available())) {
3860 printf("Option %s not supported for this target\n", popt->name);
3861 exit(1);
3862 }
3863 xen_mode = XEN_CREATE;
3864 break;
3865 case QEMU_OPTION_xen_attach:
3866 if (!(xen_available())) {
3867 printf("Option %s not supported for this target\n", popt->name);
3868 exit(1);
3869 }
3870 xen_mode = XEN_ATTACH;
3871 break;
3872 case QEMU_OPTION_trace:
3873 {
3874 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3875 optarg, false);
3876 if (!opts) {
3877 exit(1);
3878 }
3879 trace_events = qemu_opt_get(opts, "events");
3880 trace_file = qemu_opt_get(opts, "file");
3881 break;
3882 }
3883 case QEMU_OPTION_readconfig:
3884 {
3885 int ret = qemu_read_config_file(optarg);
3886 if (ret < 0) {
3887 fprintf(stderr, "read config %s: %s\n", optarg,
3888 strerror(-ret));
3889 exit(1);
3890 }
3891 break;
3892 }
3893 case QEMU_OPTION_spice:
3894 olist = qemu_find_opts("spice");
3895 if (!olist) {
3896 fprintf(stderr, "spice is not supported by this qemu build.\n");
3897 exit(1);
3898 }
3899 opts = qemu_opts_parse_noisily(olist, optarg, false);
3900 if (!opts) {
3901 exit(1);
3902 }
3903 display_remote++;
3904 break;
3905 case QEMU_OPTION_writeconfig:
3906 {
3907 FILE *fp;
3908 if (strcmp(optarg, "-") == 0) {
3909 fp = stdout;
3910 } else {
3911 fp = fopen(optarg, "w");
3912 if (fp == NULL) {
3913 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3914 exit(1);
3915 }
3916 }
3917 qemu_config_write(fp);
3918 if (fp != stdout) {
3919 fclose(fp);
3920 }
3921 break;
3922 }
3923 case QEMU_OPTION_qtest:
3924 qtest_chrdev = optarg;
3925 break;
3926 case QEMU_OPTION_qtest_log:
3927 qtest_log = optarg;
3928 break;
3929 case QEMU_OPTION_sandbox:
3930 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3931 optarg, true);
3932 if (!opts) {
3933 exit(1);
3934 }
3935 break;
3936 case QEMU_OPTION_add_fd:
3937 #ifndef _WIN32
3938 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3939 optarg, false);
3940 if (!opts) {
3941 exit(1);
3942 }
3943 #else
3944 error_report("File descriptor passing is disabled on this "
3945 "platform");
3946 exit(1);
3947 #endif
3948 break;
3949 case QEMU_OPTION_object:
3950 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3951 optarg, true);
3952 if (!opts) {
3953 exit(1);
3954 }
3955 break;
3956 case QEMU_OPTION_realtime:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3958 optarg, false);
3959 if (!opts) {
3960 exit(1);
3961 }
3962 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3963 break;
3964 case QEMU_OPTION_msg:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3966 false);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 configure_msg(opts);
3971 break;
3972 case QEMU_OPTION_dump_vmstate:
3973 if (vmstate_dump_file) {
3974 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3975 "option may be given\n");
3976 exit(1);
3977 }
3978 vmstate_dump_file = fopen(optarg, "w");
3979 if (vmstate_dump_file == NULL) {
3980 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3981 exit(1);
3982 }
3983 break;
3984 default:
3985 os_parse_cmd_args(popt->index, optarg);
3986 }
3987 }
3988 }
3989
3990 opts = qemu_get_machine_opts();
3991 optarg = qemu_opt_get(opts, "type");
3992 if (optarg) {
3993 machine_class = machine_parse(optarg);
3994 }
3995
3996 if (machine_class == NULL) {
3997 fprintf(stderr, "No machine specified, and there is no default.\n"
3998 "Use -machine help to list supported machines!\n");
3999 exit(1);
4000 }
4001
4002 set_memory_options(&ram_slots, &maxram_size, machine_class);
4003
4004 loc_set_none();
4005
4006 os_daemonize();
4007
4008 if (qemu_init_main_loop(&main_loop_err)) {
4009 error_report_err(main_loop_err);
4010 exit(1);
4011 }
4012
4013 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4014 parse_sandbox, NULL, NULL)) {
4015 exit(1);
4016 }
4017
4018 if (qemu_opts_foreach(qemu_find_opts("name"),
4019 parse_name, NULL, NULL)) {
4020 exit(1);
4021 }
4022
4023 #ifndef _WIN32
4024 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4025 parse_add_fd, NULL, NULL)) {
4026 exit(1);
4027 }
4028
4029 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4030 cleanup_add_fd, NULL, NULL)) {
4031 exit(1);
4032 }
4033 #endif
4034
4035 current_machine = MACHINE(object_new(object_class_get_name(
4036 OBJECT_CLASS(machine_class))));
4037 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4038 exit(0);
4039 }
4040 object_property_add_child(object_get_root(), "machine",
4041 OBJECT(current_machine), &error_abort);
4042 cpu_exec_init_all();
4043
4044 if (machine_class->hw_version) {
4045 qemu_set_version(machine_class->hw_version);
4046 }
4047
4048 /* Init CPU def lists, based on config
4049 * - Must be called after all the qemu_read_config_file() calls
4050 * - Must be called before list_cpus()
4051 * - Must be called before machine->init()
4052 */
4053 cpudef_init();
4054
4055 if (cpu_model && is_help_option(cpu_model)) {
4056 list_cpus(stdout, &fprintf, cpu_model);
4057 exit(0);
4058 }
4059
4060 /* Open the logfile at this point and set the log mask if necessary.
4061 */
4062 if (log_file) {
4063 qemu_set_log_filename(log_file);
4064 }
4065
4066 if (log_mask) {
4067 int mask;
4068 mask = qemu_str_to_log_mask(log_mask);
4069 if (!mask) {
4070 qemu_print_log_usage(stdout);
4071 exit(1);
4072 }
4073 qemu_set_log(mask);
4074 }
4075
4076 if (!is_daemonized()) {
4077 if (!trace_init_backends(trace_events, trace_file)) {
4078 exit(1);
4079 }
4080 }
4081
4082 /* If no data_dir is specified then try to find it relative to the
4083 executable path. */
4084 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4085 data_dir[data_dir_idx] = os_find_datadir();
4086 if (data_dir[data_dir_idx] != NULL) {
4087 data_dir_idx++;
4088 }
4089 }
4090 /* If all else fails use the install path specified when building. */
4091 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4092 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4093 }
4094
4095 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4096
4097 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4098 if (max_cpus > machine_class->max_cpus) {
4099 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4100 "supported by machine `%s' (%d)\n", max_cpus,
4101 machine_class->name, machine_class->max_cpus);
4102 exit(1);
4103 }
4104
4105 /*
4106 * Get the default machine options from the machine if it is not already
4107 * specified either by the configuration file or by the command line.
4108 */
4109 if (machine_class->default_machine_opts) {
4110 qemu_opts_set_defaults(qemu_find_opts("machine"),
4111 machine_class->default_machine_opts, 0);
4112 }
4113
4114 qemu_opts_foreach(qemu_find_opts("device"),
4115 default_driver_check, NULL, NULL);
4116 qemu_opts_foreach(qemu_find_opts("global"),
4117 default_driver_check, NULL, NULL);
4118
4119 if (!vga_model && !default_vga) {
4120 vga_interface_type = VGA_DEVICE;
4121 }
4122 if (!has_defaults || machine_class->no_serial) {
4123 default_serial = 0;
4124 }
4125 if (!has_defaults || machine_class->no_parallel) {
4126 default_parallel = 0;
4127 }
4128 if (!has_defaults || !machine_class->use_virtcon) {
4129 default_virtcon = 0;
4130 }
4131 if (!has_defaults || !machine_class->use_sclp) {
4132 default_sclp = 0;
4133 }
4134 if (!has_defaults || machine_class->no_floppy) {
4135 default_floppy = 0;
4136 }
4137 if (!has_defaults || machine_class->no_cdrom) {
4138 default_cdrom = 0;
4139 }
4140 if (!has_defaults || machine_class->no_sdcard) {
4141 default_sdcard = 0;
4142 }
4143 if (!has_defaults) {
4144 default_monitor = 0;
4145 default_net = 0;
4146 default_vga = 0;
4147 }
4148
4149 if (is_daemonized()) {
4150 /* According to documentation and historically, -nographic redirects
4151 * serial port, parallel port and monitor to stdio, which does not work
4152 * with -daemonize. We can redirect these to null instead, but since
4153 * -nographic is legacy, let's just error out.
4154 * We disallow -nographic only if all other ports are not redirected
4155 * explicitly, to not break existing legacy setups which uses
4156 * -nographic _and_ redirects all ports explicitly - this is valid
4157 * usage, -nographic is just a no-op in this case.
4158 */
4159 if (display_type == DT_NOGRAPHIC
4160 && (default_parallel || default_serial
4161 || default_monitor || default_virtcon)) {
4162 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4163 exit(1);
4164 }
4165 #ifdef CONFIG_CURSES
4166 if (display_type == DT_CURSES) {
4167 fprintf(stderr, "curses display can not be used with -daemonize\n");
4168 exit(1);
4169 }
4170 #endif
4171 }
4172
4173 if (display_type == DT_NOGRAPHIC) {
4174 if (default_parallel)
4175 add_device_config(DEV_PARALLEL, "null");
4176 if (default_serial && default_monitor) {
4177 add_device_config(DEV_SERIAL, "mon:stdio");
4178 } else if (default_virtcon && default_monitor) {
4179 add_device_config(DEV_VIRTCON, "mon:stdio");
4180 } else if (default_sclp && default_monitor) {
4181 add_device_config(DEV_SCLP, "mon:stdio");
4182 } else {
4183 if (default_serial)
4184 add_device_config(DEV_SERIAL, "stdio");
4185 if (default_virtcon)
4186 add_device_config(DEV_VIRTCON, "stdio");
4187 if (default_sclp) {
4188 add_device_config(DEV_SCLP, "stdio");
4189 }
4190 if (default_monitor)
4191 monitor_parse("stdio", "readline", false);
4192 }
4193 } else {
4194 if (default_serial)
4195 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4196 if (default_parallel)
4197 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4198 if (default_monitor)
4199 monitor_parse("vc:80Cx24C", "readline", false);
4200 if (default_virtcon)
4201 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4202 if (default_sclp) {
4203 add_device_config(DEV_SCLP, "vc:80Cx24C");
4204 }
4205 }
4206
4207 #if defined(CONFIG_VNC)
4208 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4209 display_remote++;
4210 }
4211 #endif
4212 if (display_type == DT_DEFAULT && !display_remote) {
4213 #if defined(CONFIG_GTK)
4214 display_type = DT_GTK;
4215 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4216 display_type = DT_SDL;
4217 #elif defined(CONFIG_VNC)
4218 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4219 show_vnc_port = 1;
4220 #else
4221 display_type = DT_NONE;
4222 #endif
4223 }
4224
4225 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4226 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4227 "for SDL, ignoring option\n");
4228 }
4229 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4230 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4231 "ignoring option\n");
4232 }
4233
4234 #if defined(CONFIG_GTK)
4235 if (display_type == DT_GTK) {
4236 early_gtk_display_init(request_opengl);
4237 }
4238 #endif
4239 #if defined(CONFIG_SDL)
4240 if (display_type == DT_SDL) {
4241 sdl_display_early_init(request_opengl);
4242 }
4243 #endif
4244 if (request_opengl == 1 && display_opengl == 0) {
4245 #if defined(CONFIG_OPENGL)
4246 fprintf(stderr, "OpenGL is not supported by the display.\n");
4247 #else
4248 fprintf(stderr, "QEMU was built without opengl support.\n");
4249 #endif
4250 exit(1);
4251 }
4252
4253 socket_init();
4254
4255 if (qemu_opts_foreach(qemu_find_opts("object"),
4256 object_create,
4257 object_create_initial, NULL)) {
4258 exit(1);
4259 }
4260
4261 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4262 chardev_init_func, NULL, NULL)) {
4263 exit(1);
4264 }
4265
4266 #ifdef CONFIG_VIRTFS
4267 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4268 fsdev_init_func, NULL, NULL)) {
4269 exit(1);
4270 }
4271 #endif
4272
4273 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4274 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4275 exit(1);
4276 }
4277
4278 if (qemu_opts_foreach(qemu_find_opts("device"),
4279 device_help_func, NULL, NULL)) {
4280 exit(0);
4281 }
4282
4283 if (qemu_opts_foreach(qemu_find_opts("object"),
4284 object_create,
4285 object_create_delayed, NULL)) {
4286 exit(1);
4287 }
4288
4289 machine_opts = qemu_get_machine_opts();
4290 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4291 NULL)) {
4292 object_unref(OBJECT(current_machine));
4293 exit(1);
4294 }
4295
4296 configure_accelerator(current_machine);
4297
4298 if (qtest_chrdev) {
4299 Error *local_err = NULL;
4300 qtest_init(qtest_chrdev, qtest_log, &local_err);
4301 if (local_err) {
4302 error_report_err(local_err);
4303 exit(1);
4304 }
4305 }
4306
4307 machine_opts = qemu_get_machine_opts();
4308 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4309 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4310 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4311 bios_name = qemu_opt_get(machine_opts, "firmware");
4312
4313 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4314 if (opts) {
4315 Error *local_err = NULL;
4316
4317 boot_order = qemu_opt_get(opts, "order");
4318 if (boot_order) {
4319 validate_bootdevices(boot_order, &local_err);
4320 if (local_err) {
4321 error_report_err(local_err);
4322 exit(1);
4323 }
4324 }
4325
4326 boot_once = qemu_opt_get(opts, "once");
4327 if (boot_once) {
4328 validate_bootdevices(boot_once, &local_err);
4329 if (local_err) {
4330 error_report_err(local_err);
4331 exit(1);
4332 }
4333 }
4334
4335 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4336 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4337 }
4338
4339 if (!boot_order) {
4340 boot_order = machine_class->default_boot_order;
4341 }
4342
4343 if (!kernel_cmdline) {
4344 kernel_cmdline = "";
4345 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4346 }
4347
4348 linux_boot = (kernel_filename != NULL);
4349
4350 if (!linux_boot && *kernel_cmdline != '\0') {
4351 fprintf(stderr, "-append only allowed with -kernel option\n");
4352 exit(1);
4353 }
4354
4355 if (!linux_boot && initrd_filename != NULL) {
4356 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4357 exit(1);
4358 }
4359
4360 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4361 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4362 exit(1);
4363 }
4364
4365 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4366 /* fall back to the -kernel/-append */
4367 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4368 }
4369
4370 os_set_line_buffering();
4371
4372 #ifdef CONFIG_SPICE
4373 /* spice needs the timers to be initialized by this point */
4374 qemu_spice_init();
4375 #endif
4376
4377 cpu_ticks_init();
4378 if (icount_opts) {
4379 if (kvm_enabled() || xen_enabled()) {
4380 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4381 exit(1);
4382 }
4383 configure_icount(icount_opts, &error_abort);
4384 qemu_opts_del(icount_opts);
4385 }
4386
4387 /* clean up network at qemu process termination */
4388 atexit(&net_cleanup);
4389
4390 if (net_init_clients() < 0) {
4391 exit(1);
4392 }
4393
4394 #ifdef CONFIG_TPM
4395 if (tpm_init() < 0) {
4396 exit(1);
4397 }
4398 #endif
4399
4400 /* init the bluetooth world */
4401 if (foreach_device_config(DEV_BT, bt_parse))
4402 exit(1);
4403
4404 if (!xen_enabled()) {
4405 /* On 32-bit hosts, QEMU is limited by virtual address space */
4406 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4407 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4408 exit(1);
4409 }
4410 }
4411
4412 blk_mig_init();
4413 ram_mig_init();
4414
4415 /* If the currently selected machine wishes to override the units-per-bus
4416 * property of its default HBA interface type, do so now. */
4417 if (machine_class->units_per_default_bus) {
4418 override_max_devs(machine_class->block_default_type,
4419 machine_class->units_per_default_bus);
4420 }
4421
4422 /* open the virtual block devices */
4423 if (snapshot)
4424 qemu_opts_foreach(qemu_find_opts("drive"),
4425 drive_enable_snapshot, NULL, NULL);
4426 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4427 &machine_class->block_default_type, NULL)) {
4428 exit(1);
4429 }
4430
4431 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4432 CDROM_OPTS);
4433 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4434 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4435
4436 parse_numa_opts(machine_class);
4437
4438 if (qemu_opts_foreach(qemu_find_opts("mon"),
4439 mon_init_func, NULL, NULL)) {
4440 exit(1);
4441 }
4442
4443 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4444 exit(1);
4445 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4446 exit(1);
4447 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4448 exit(1);
4449 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4450 exit(1);
4451 }
4452 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4453 exit(1);
4454
4455 /* If no default VGA is requested, the default is "none". */
4456 if (default_vga) {
4457 if (machine_class->default_display) {
4458 vga_model = machine_class->default_display;
4459 } else if (cirrus_vga_available()) {
4460 vga_model = "cirrus";
4461 } else if (vga_available()) {
4462 vga_model = "std";
4463 }
4464 }
4465 if (vga_model) {
4466 select_vgahw(vga_model);
4467 }
4468
4469 if (watchdog) {
4470 i = select_watchdog(watchdog);
4471 if (i > 0)
4472 exit (i == 1 ? 1 : 0);
4473 }
4474
4475 if (machine_class->compat_props) {
4476 qdev_prop_register_global_list(machine_class->compat_props);
4477 }
4478 qemu_add_globals();
4479
4480 qdev_machine_init();
4481
4482 current_machine->ram_size = ram_size;
4483 current_machine->maxram_size = maxram_size;
4484 current_machine->ram_slots = ram_slots;
4485 current_machine->boot_order = boot_order;
4486 current_machine->cpu_model = cpu_model;
4487
4488 machine_class->init(current_machine);
4489
4490 realtime_init();
4491
4492 audio_init();
4493
4494 cpu_synchronize_all_post_init();
4495
4496 numa_post_machine_init();
4497
4498 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4499 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4500 exit(1);
4501 }
4502
4503 /* init USB devices */
4504 if (usb_enabled()) {
4505 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4506 exit(1);
4507 }
4508
4509 /* Check if IGD GFX passthrough. */
4510 igd_gfx_passthru();
4511
4512 /* init generic devices */
4513 if (qemu_opts_foreach(qemu_find_opts("device"),
4514 device_init_func, NULL, NULL)) {
4515 exit(1);
4516 }
4517
4518 /* Did we create any drives that we failed to create a device for? */
4519 drive_check_orphaned();
4520
4521 net_check_clients();
4522
4523 if (boot_once) {
4524 Error *local_err = NULL;
4525 qemu_boot_set(boot_once, &local_err);
4526 if (local_err) {
4527 error_report("%s", error_get_pretty(local_err));
4528 exit(1);
4529 }
4530 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4531 }
4532
4533 ds = init_displaystate();
4534
4535 /* init local displays */
4536 switch (display_type) {
4537 case DT_NOGRAPHIC:
4538 (void)ds; /* avoid warning if no display is configured */
4539 break;
4540 #if defined(CONFIG_CURSES)
4541 case DT_CURSES:
4542 curses_display_init(ds, full_screen);
4543 break;
4544 #endif
4545 #if defined(CONFIG_SDL)
4546 case DT_SDL:
4547 sdl_display_init(ds, full_screen, no_frame);
4548 break;
4549 #elif defined(CONFIG_COCOA)
4550 case DT_SDL:
4551 cocoa_display_init(ds, full_screen);
4552 break;
4553 #endif
4554 #if defined(CONFIG_GTK)
4555 case DT_GTK:
4556 gtk_display_init(ds, full_screen, grab_on_hover);
4557 break;
4558 #endif
4559 default:
4560 break;
4561 }
4562
4563 /* must be after terminal init, SDL library changes signal handlers */
4564 os_setup_signal_handling();
4565
4566 #ifdef CONFIG_VNC
4567 /* init remote displays */
4568 qemu_opts_foreach(qemu_find_opts("vnc"),
4569 vnc_init_func, NULL, NULL);
4570 if (show_vnc_port) {
4571 char *ret = vnc_display_local_addr("default");
4572 printf("VNC server running on `%s'\n", ret);
4573 g_free(ret);
4574 }
4575 #endif
4576 #ifdef CONFIG_SPICE
4577 if (using_spice) {
4578 qemu_spice_display_init();
4579 }
4580 #endif
4581
4582 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4583 exit(1);
4584 }
4585
4586 qdev_machine_creation_done();
4587
4588 /* TODO: once all bus devices are qdevified, this should be done
4589 * when bus is created by qdev.c */
4590 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4591 qemu_run_machine_init_done_notifiers();
4592
4593 if (rom_check_and_register_reset() != 0) {
4594 fprintf(stderr, "rom check and register reset failed\n");
4595 exit(1);
4596 }
4597
4598 qemu_system_reset(VMRESET_SILENT);
4599 register_global_state();
4600 if (loadvm) {
4601 if (load_vmstate(loadvm) < 0) {
4602 autostart = 0;
4603 }
4604 }
4605
4606 qdev_prop_check_globals();
4607 if (vmstate_dump_file) {
4608 /* dump and exit */
4609 dump_vmstate_json_to_file(vmstate_dump_file);
4610 return 0;
4611 }
4612
4613 if (incoming) {
4614 Error *local_err = NULL;
4615 qemu_start_incoming_migration(incoming, &local_err);
4616 if (local_err) {
4617 error_report("-incoming %s: %s", incoming,
4618 error_get_pretty(local_err));
4619 error_free(local_err);
4620 exit(1);
4621 }
4622 } else if (autostart) {
4623 vm_start();
4624 }
4625
4626 os_setup_post();
4627
4628 if (is_daemonized()) {
4629 if (!trace_init_backends(trace_events, trace_file)) {
4630 exit(1);
4631 }
4632 }
4633
4634 main_loop();
4635 bdrv_close_all();
4636 pause_all_vcpus();
4637 res_free();
4638 #ifdef CONFIG_TPM
4639 tpm_cleanup();
4640 #endif
4641
4642 return 0;
4643 }
AR7 emulation for QEMU