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exynos4: Use MachineClass instead of exynos4_machines array
[qemu/cris-port.git] / vl.c
blob3b926351f1fa93788c16d5d3e8b2182918fe1fb8
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
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_MAX, RUN_STATE_MAX },
633 };
634
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636
637 bool runstate_check(RunState state)
638 {
639 return current_run_state == state;
640 }
641
642 bool runstate_store(char *str, size_t size)
643 {
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
646
647 if (len > size) {
648 return false;
649 }
650 memcpy(str, state, len);
651 return true;
652 }
653
654 static void runstate_init(void)
655 {
656 const RunStateTransition *p;
657
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
661 }
662
663 qemu_mutex_init(&vmstop_lock);
664 }
665
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
668 {
669 assert(new_state < RUN_STATE_MAX);
670
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
675 abort();
676 }
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
679 }
680
681 int runstate_is_running(void)
682 {
683 return runstate_check(RUN_STATE_RUNNING);
684 }
685
686 bool runstate_needs_reset(void)
687 {
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
690 }
691
692 StatusInfo *qmp_query_status(Error **errp)
693 {
694 StatusInfo *info = g_malloc0(sizeof(*info));
695
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
699
700 return info;
701 }
702
703 static bool qemu_vmstop_requested(RunState *r)
704 {
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
710 }
711
712 void qemu_system_vmstop_request_prepare(void)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 }
716
717 void qemu_system_vmstop_request(RunState state)
718 {
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
721 qemu_notify_event();
722 }
723
724 void vm_start(void)
725 {
726 RunState requested;
727
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
730 return;
731 }
732
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
736 * the STOP event.
737 */
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
740 } else {
741 cpu_enable_ticks();
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
744 resume_all_vcpus();
745 }
746
747 qapi_event_send_resume(&error_abort);
748 }
749
750
751 /***********************************************************/
752 /* real time host monotonic timer */
753
754 static time_t qemu_time(void)
755 {
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
757 }
758
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
762 {
763 time_t ti = qemu_time();
764
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - qemu_time();
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = qemu_time() - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1012 "in the kernel");
1013 return -1;
1014 }
1015 #else
1016 error_report("sandboxing request but seccomp is not compiled "
1017 "into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool defaults_enabled(void)
1043 {
1044 return has_defaults;
1045 }
1046
1047 bool usb_enabled(void)
1048 {
1049 return machine_usb(current_machine);
1050 }
1051
1052 #ifndef _WIN32
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 int fd, dupfd, flags;
1056 int64_t fdset_id;
1057 const char *fd_opaque = NULL;
1058 AddfdInfo *fdinfo;
1059
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1063
1064 if (fd < 0) {
1065 error_report("fd option is required and must be non-negative");
1066 return -1;
1067 }
1068
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1071 return -1;
1072 }
1073
1074 /*
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1077 */
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1081 return -1;
1082 }
1083
1084 if (fdset_id < 0) {
1085 error_report("set option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1091 #else
1092 dupfd = dup(fd);
1093 if (dupfd != -1) {
1094 qemu_set_cloexec(dupfd);
1095 }
1096 #endif
1097 if (dupfd == -1) {
1098 error_report("Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1104 &error_abort);
1105 g_free(fdinfo);
1106
1107 return 0;
1108 }
1109
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1111 {
1112 int fd;
1113
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1115 close(fd);
1116
1117 return 0;
1118 }
1119 #endif
1120
1121 /***********************************************************/
1122 /* QEMU Block devices */
1123
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1126 #define FD_OPTS ""
1127 #define PFLASH_OPTS ""
1128 #define MTD_OPTS ""
1129 #define SD_OPTS ""
1130
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1132 {
1133 BlockInterfaceType *block_default_type = opaque;
1134
1135 return drive_new(opts, *block_default_type) == NULL;
1136 }
1137
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1142 }
1143 return 0;
1144 }
1145
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1148 {
1149 QemuOpts *opts;
1150 DriveInfo *dinfo;
1151
1152 if (!enable || drive_get_by_index(type, index)) {
1153 return;
1154 }
1155
1156 opts = drive_add(type, index, NULL, optstr);
1157 if (snapshot) {
1158 drive_enable_snapshot(NULL, opts, NULL);
1159 }
1160
1161 dinfo = drive_new(opts, type);
1162 if (!dinfo) {
1163 exit(1);
1164 }
1165 dinfo->is_default = true;
1166
1167 }
1168
1169 static QemuOptsList qemu_smp_opts = {
1170 .name = "smp-opts",
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1174 .desc = {
1175 {
1176 .name = "cpus",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "sockets",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "cores",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "threads",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "maxcpus",
1189 .type = QEMU_OPT_NUMBER,
1190 },
1191 { /*End of list */ }
1192 },
1193 };
1194
1195 static void smp_parse(QemuOpts *opts)
1196 {
1197 if (opts) {
1198
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1203
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1209 if (cpus == 0) {
1210 cpus = cores * threads * sockets;
1211 }
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1220 "smp_cpus (%u)\n",
1221 sockets, cores, threads, cpus);
1222 exit(1);
1223 }
1224
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1226
1227 smp_cpus = cpus;
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1230
1231 }
1232
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1235 }
1236
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1239 exit(1);
1240 }
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1243 exit(1);
1244 }
1245
1246 }
1247
1248 static void realtime_init(void)
1249 {
1250 if (enable_mlock) {
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1253 exit(1);
1254 }
1255 }
1256 }
1257
1258
1259 static void configure_msg(QemuOpts *opts)
1260 {
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1262 }
1263
1264 /***********************************************************/
1265 /* Semihosting */
1266
1267 typedef struct SemihostingConfig {
1268 bool enabled;
1269 SemihostingTarget target;
1270 const char **argv;
1271 int argc;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1274
1275 static SemihostingConfig semihosting;
1276
1277 bool semihosting_enabled(void)
1278 {
1279 return semihosting.enabled;
1280 }
1281
1282 SemihostingTarget semihosting_get_target(void)
1283 {
1284 return semihosting.target;
1285 }
1286
1287 const char *semihosting_get_arg(int i)
1288 {
1289 if (i >= semihosting.argc) {
1290 return NULL;
1291 }
1292 return semihosting.argv[i];
1293 }
1294
1295 int semihosting_get_argc(void)
1296 {
1297 return semihosting.argc;
1298 }
1299
1300 const char *semihosting_get_cmdline(void)
1301 {
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1304 }
1305 return semihosting.cmdline;
1306 }
1307
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1310 Error **errp)
1311 {
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1314 s->argc++;
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1319 }
1320 return 0;
1321 }
1322
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1325 {
1326 char *cmd_token;
1327
1328 /* argv[0] */
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1330
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1333 while (cmd_token) {
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1336 }
1337 }
1338
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1342 {
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1344 }
1345
1346 /***********************************************************/
1347 /* USB devices */
1348
1349 static int usb_device_add(const char *devname)
1350 {
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1353 const char *p;
1354 #endif
1355
1356 if (!usb_enabled()) {
1357 return -1;
1358 }
1359
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1362 if (dev)
1363 goto done;
1364
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1370 }
1371 #endif
1372 if (!dev)
1373 return -1;
1374
1375 done:
1376 return 0;
1377 }
1378
1379 static int usb_device_del(const char *devname)
1380 {
1381 int bus_num, addr;
1382 const char *p;
1383
1384 if (strstart(devname, "host:", &p)) {
1385 return -1;
1386 }
1387
1388 if (!usb_enabled()) {
1389 return -1;
1390 }
1391
1392 p = strchr(devname, '.');
1393 if (!p)
1394 return -1;
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1397
1398 return usb_device_delete_addr(bus_num, addr);
1399 }
1400
1401 static int usb_parse(const char *cmdline)
1402 {
1403 int r;
1404 r = usb_device_add(cmdline);
1405 if (r < 0) {
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1407 }
1408 return r;
1409 }
1410
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1412 {
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1416 }
1417 }
1418
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1420 {
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1424 }
1425 }
1426
1427 /***********************************************************/
1428 /* machine registration */
1429
1430 MachineState *current_machine;
1431
1432 /*
1433 * Transitional class registration/init used for converting from
1434 * legacy QEMUMachine to MachineClass.
1435 */
1436 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1437 {
1438 MachineClass *mc = MACHINE_CLASS(oc);
1439 QEMUMachine *qm = data;
1440 mc->desc = qm->desc;
1441 mc->init = qm->init;
1442 mc->kvm_type = qm->kvm_type;
1443 mc->block_default_type = qm->block_default_type;
1444 mc->max_cpus = qm->max_cpus;
1445 mc->no_sdcard = qm->no_sdcard;
1446 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1447 mc->is_default = qm->is_default;
1448 mc->default_machine_opts = qm->default_machine_opts;
1449 mc->default_boot_order = qm->default_boot_order;
1450 }
1451
1452 int qemu_register_machine(QEMUMachine *m)
1453 {
1454 char *name = g_strdup_printf(MACHINE_TYPE_NAME("%s"), m->name);
1455 TypeInfo ti = {
1456 .name = name,
1457 .parent = TYPE_MACHINE,
1458 .class_init = qemu_machine_class_init,
1459 .class_data = (void *)m,
1460 };
1461
1462 type_register(&ti);
1463 g_free(name);
1464
1465 return 0;
1466 }
1467
1468 static MachineClass *find_machine(const char *name)
1469 {
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineClass *mc = NULL;
1472
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *temp = el->data;
1475
1476 if (!strcmp(temp->name, name)) {
1477 mc = temp;
1478 break;
1479 }
1480 if (temp->alias &&
1481 !strcmp(temp->alias, name)) {
1482 mc = temp;
1483 break;
1484 }
1485 }
1486
1487 g_slist_free(machines);
1488 return mc;
1489 }
1490
1491 MachineClass *find_default_machine(void)
1492 {
1493 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1494 MachineClass *mc = NULL;
1495
1496 for (el = machines; el; el = el->next) {
1497 MachineClass *temp = el->data;
1498
1499 if (temp->is_default) {
1500 mc = temp;
1501 break;
1502 }
1503 }
1504
1505 g_slist_free(machines);
1506 return mc;
1507 }
1508
1509 MachineInfoList *qmp_query_machines(Error **errp)
1510 {
1511 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1512 MachineInfoList *mach_list = NULL;
1513
1514 for (el = machines; el; el = el->next) {
1515 MachineClass *mc = el->data;
1516 MachineInfoList *entry;
1517 MachineInfo *info;
1518
1519 info = g_malloc0(sizeof(*info));
1520 if (mc->is_default) {
1521 info->has_is_default = true;
1522 info->is_default = true;
1523 }
1524
1525 if (mc->alias) {
1526 info->has_alias = true;
1527 info->alias = g_strdup(mc->alias);
1528 }
1529
1530 info->name = g_strdup(mc->name);
1531 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1532
1533 entry = g_malloc0(sizeof(*entry));
1534 entry->value = info;
1535 entry->next = mach_list;
1536 mach_list = entry;
1537 }
1538
1539 g_slist_free(machines);
1540 return mach_list;
1541 }
1542
1543 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1544 {
1545 ObjectProperty *prop;
1546
1547 if (!qemu_opt_has_help_opt(opts)) {
1548 return 0;
1549 }
1550
1551 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1552 if (!prop->set) {
1553 continue;
1554 }
1555
1556 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1557 prop->name, prop->type);
1558 if (prop->description) {
1559 error_printf(" (%s)\n", prop->description);
1560 } else {
1561 error_printf("\n");
1562 }
1563 }
1564
1565 return 1;
1566 }
1567
1568 /***********************************************************/
1569 /* main execution loop */
1570
1571 struct vm_change_state_entry {
1572 VMChangeStateHandler *cb;
1573 void *opaque;
1574 QLIST_ENTRY (vm_change_state_entry) entries;
1575 };
1576
1577 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1578
1579 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1580 void *opaque)
1581 {
1582 VMChangeStateEntry *e;
1583
1584 e = g_malloc0(sizeof (*e));
1585
1586 e->cb = cb;
1587 e->opaque = opaque;
1588 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1589 return e;
1590 }
1591
1592 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1593 {
1594 QLIST_REMOVE (e, entries);
1595 g_free (e);
1596 }
1597
1598 void vm_state_notify(int running, RunState state)
1599 {
1600 VMChangeStateEntry *e, *next;
1601
1602 trace_vm_state_notify(running, state);
1603
1604 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1605 e->cb(e->opaque, running, state);
1606 }
1607 }
1608
1609 /* reset/shutdown handler */
1610
1611 typedef struct QEMUResetEntry {
1612 QTAILQ_ENTRY(QEMUResetEntry) entry;
1613 QEMUResetHandler *func;
1614 void *opaque;
1615 } QEMUResetEntry;
1616
1617 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1618 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1619 static int reset_requested;
1620 static int shutdown_requested, shutdown_signal = -1;
1621 static pid_t shutdown_pid;
1622 static int powerdown_requested;
1623 static int debug_requested;
1624 static int suspend_requested;
1625 static WakeupReason wakeup_reason;
1626 static NotifierList powerdown_notifiers =
1627 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1628 static NotifierList suspend_notifiers =
1629 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1630 static NotifierList wakeup_notifiers =
1631 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1632 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1633
1634 int qemu_shutdown_requested_get(void)
1635 {
1636 return shutdown_requested;
1637 }
1638
1639 int qemu_reset_requested_get(void)
1640 {
1641 return reset_requested;
1642 }
1643
1644 static int qemu_shutdown_requested(void)
1645 {
1646 return atomic_xchg(&shutdown_requested, 0);
1647 }
1648
1649 static void qemu_kill_report(void)
1650 {
1651 if (!qtest_driver() && shutdown_signal != -1) {
1652 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1653 if (shutdown_pid == 0) {
1654 /* This happens for eg ^C at the terminal, so it's worth
1655 * avoiding printing an odd message in that case.
1656 */
1657 fputc('\n', stderr);
1658 } else {
1659 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1660 }
1661 shutdown_signal = -1;
1662 }
1663 }
1664
1665 static int qemu_reset_requested(void)
1666 {
1667 int r = reset_requested;
1668 reset_requested = 0;
1669 return r;
1670 }
1671
1672 static int qemu_suspend_requested(void)
1673 {
1674 int r = suspend_requested;
1675 suspend_requested = 0;
1676 return r;
1677 }
1678
1679 static WakeupReason qemu_wakeup_requested(void)
1680 {
1681 return wakeup_reason;
1682 }
1683
1684 static int qemu_powerdown_requested(void)
1685 {
1686 int r = powerdown_requested;
1687 powerdown_requested = 0;
1688 return r;
1689 }
1690
1691 static int qemu_debug_requested(void)
1692 {
1693 int r = debug_requested;
1694 debug_requested = 0;
1695 return r;
1696 }
1697
1698 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1699 {
1700 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1701
1702 re->func = func;
1703 re->opaque = opaque;
1704 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1705 }
1706
1707 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1708 {
1709 QEMUResetEntry *re;
1710
1711 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1712 if (re->func == func && re->opaque == opaque) {
1713 QTAILQ_REMOVE(&reset_handlers, re, entry);
1714 g_free(re);
1715 return;
1716 }
1717 }
1718 }
1719
1720 void qemu_devices_reset(void)
1721 {
1722 QEMUResetEntry *re, *nre;
1723
1724 /* reset all devices */
1725 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1726 re->func(re->opaque);
1727 }
1728 }
1729
1730 void qemu_system_reset(bool report)
1731 {
1732 MachineClass *mc;
1733
1734 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1735
1736 if (mc && mc->reset) {
1737 mc->reset();
1738 } else {
1739 qemu_devices_reset();
1740 }
1741 if (report) {
1742 qapi_event_send_reset(&error_abort);
1743 }
1744 cpu_synchronize_all_post_reset();
1745 }
1746
1747 void qemu_system_guest_panicked(void)
1748 {
1749 if (current_cpu) {
1750 current_cpu->crash_occurred = true;
1751 }
1752 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1753 vm_stop(RUN_STATE_GUEST_PANICKED);
1754 }
1755
1756 void qemu_system_reset_request(void)
1757 {
1758 if (no_reboot) {
1759 shutdown_requested = 1;
1760 } else {
1761 reset_requested = 1;
1762 }
1763 cpu_stop_current();
1764 qemu_notify_event();
1765 }
1766
1767 static void qemu_system_suspend(void)
1768 {
1769 pause_all_vcpus();
1770 notifier_list_notify(&suspend_notifiers, NULL);
1771 runstate_set(RUN_STATE_SUSPENDED);
1772 qapi_event_send_suspend(&error_abort);
1773 }
1774
1775 void qemu_system_suspend_request(void)
1776 {
1777 if (runstate_check(RUN_STATE_SUSPENDED)) {
1778 return;
1779 }
1780 suspend_requested = 1;
1781 cpu_stop_current();
1782 qemu_notify_event();
1783 }
1784
1785 void qemu_register_suspend_notifier(Notifier *notifier)
1786 {
1787 notifier_list_add(&suspend_notifiers, notifier);
1788 }
1789
1790 void qemu_system_wakeup_request(WakeupReason reason)
1791 {
1792 trace_system_wakeup_request(reason);
1793
1794 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1795 return;
1796 }
1797 if (!(wakeup_reason_mask & (1 << reason))) {
1798 return;
1799 }
1800 runstate_set(RUN_STATE_RUNNING);
1801 wakeup_reason = reason;
1802 qemu_notify_event();
1803 }
1804
1805 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1806 {
1807 if (enabled) {
1808 wakeup_reason_mask |= (1 << reason);
1809 } else {
1810 wakeup_reason_mask &= ~(1 << reason);
1811 }
1812 }
1813
1814 void qemu_register_wakeup_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&wakeup_notifiers, notifier);
1817 }
1818
1819 void qemu_system_killed(int signal, pid_t pid)
1820 {
1821 shutdown_signal = signal;
1822 shutdown_pid = pid;
1823 no_shutdown = 0;
1824 qemu_system_shutdown_request();
1825 }
1826
1827 void qemu_system_shutdown_request(void)
1828 {
1829 trace_qemu_system_shutdown_request();
1830 shutdown_requested = 1;
1831 qemu_notify_event();
1832 }
1833
1834 static void qemu_system_powerdown(void)
1835 {
1836 qapi_event_send_powerdown(&error_abort);
1837 notifier_list_notify(&powerdown_notifiers, NULL);
1838 }
1839
1840 void qemu_system_powerdown_request(void)
1841 {
1842 trace_qemu_system_powerdown_request();
1843 powerdown_requested = 1;
1844 qemu_notify_event();
1845 }
1846
1847 void qemu_register_powerdown_notifier(Notifier *notifier)
1848 {
1849 notifier_list_add(&powerdown_notifiers, notifier);
1850 }
1851
1852 void qemu_system_debug_request(void)
1853 {
1854 debug_requested = 1;
1855 qemu_notify_event();
1856 }
1857
1858 static bool main_loop_should_exit(void)
1859 {
1860 RunState r;
1861 if (qemu_debug_requested()) {
1862 vm_stop(RUN_STATE_DEBUG);
1863 }
1864 if (qemu_suspend_requested()) {
1865 qemu_system_suspend();
1866 }
1867 if (qemu_shutdown_requested()) {
1868 qemu_kill_report();
1869 qapi_event_send_shutdown(&error_abort);
1870 if (no_shutdown) {
1871 vm_stop(RUN_STATE_SHUTDOWN);
1872 } else {
1873 return true;
1874 }
1875 }
1876 if (qemu_reset_requested()) {
1877 pause_all_vcpus();
1878 cpu_synchronize_all_states();
1879 qemu_system_reset(VMRESET_REPORT);
1880 resume_all_vcpus();
1881 if (runstate_needs_reset()) {
1882 runstate_set(RUN_STATE_PAUSED);
1883 }
1884 }
1885 if (qemu_wakeup_requested()) {
1886 pause_all_vcpus();
1887 cpu_synchronize_all_states();
1888 qemu_system_reset(VMRESET_SILENT);
1889 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1890 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1891 resume_all_vcpus();
1892 qapi_event_send_wakeup(&error_abort);
1893 }
1894 if (qemu_powerdown_requested()) {
1895 qemu_system_powerdown();
1896 }
1897 if (qemu_vmstop_requested(&r)) {
1898 vm_stop(r);
1899 }
1900 return false;
1901 }
1902
1903 static void main_loop(void)
1904 {
1905 bool nonblocking;
1906 int last_io = 0;
1907 #ifdef CONFIG_PROFILER
1908 int64_t ti;
1909 #endif
1910 do {
1911 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1912 #ifdef CONFIG_PROFILER
1913 ti = profile_getclock();
1914 #endif
1915 last_io = main_loop_wait(nonblocking);
1916 #ifdef CONFIG_PROFILER
1917 dev_time += profile_getclock() - ti;
1918 #endif
1919 } while (!main_loop_should_exit());
1920 }
1921
1922 static void version(void)
1923 {
1924 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1925 }
1926
1927 static void help(int exitcode)
1928 {
1929 version();
1930 printf("usage: %s [options] [disk_image]\n\n"
1931 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1932 error_get_progname());
1933
1934 #define QEMU_OPTIONS_GENERATE_HELP
1935 #include "qemu-options-wrapper.h"
1936
1937 printf("\nDuring emulation, the following keys are useful:\n"
1938 "ctrl-alt-f toggle full screen\n"
1939 "ctrl-alt-n switch to virtual console 'n'\n"
1940 "ctrl-alt toggle mouse and keyboard grab\n"
1941 "\n"
1942 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1943
1944 exit(exitcode);
1945 }
1946
1947 #define HAS_ARG 0x0001
1948
1949 typedef struct QEMUOption {
1950 const char *name;
1951 int flags;
1952 int index;
1953 uint32_t arch_mask;
1954 } QEMUOption;
1955
1956 static const QEMUOption qemu_options[] = {
1957 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1958 #define QEMU_OPTIONS_GENERATE_OPTIONS
1959 #include "qemu-options-wrapper.h"
1960 { NULL },
1961 };
1962
1963 static bool vga_available(void)
1964 {
1965 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1966 }
1967
1968 static bool cirrus_vga_available(void)
1969 {
1970 return object_class_by_name("cirrus-vga")
1971 || object_class_by_name("isa-cirrus-vga");
1972 }
1973
1974 static bool vmware_vga_available(void)
1975 {
1976 return object_class_by_name("vmware-svga");
1977 }
1978
1979 static bool qxl_vga_available(void)
1980 {
1981 return object_class_by_name("qxl-vga");
1982 }
1983
1984 static bool tcx_vga_available(void)
1985 {
1986 return object_class_by_name("SUNW,tcx");
1987 }
1988
1989 static bool cg3_vga_available(void)
1990 {
1991 return object_class_by_name("cgthree");
1992 }
1993
1994 static bool virtio_vga_available(void)
1995 {
1996 return object_class_by_name("virtio-vga");
1997 }
1998
1999 static void select_vgahw (const char *p)
2000 {
2001 const char *opts;
2002
2003 assert(vga_interface_type == VGA_NONE);
2004 if (strstart(p, "std", &opts)) {
2005 if (vga_available()) {
2006 vga_interface_type = VGA_STD;
2007 } else {
2008 fprintf(stderr, "Error: standard VGA not available\n");
2009 exit(0);
2010 }
2011 } else if (strstart(p, "cirrus", &opts)) {
2012 if (cirrus_vga_available()) {
2013 vga_interface_type = VGA_CIRRUS;
2014 } else {
2015 fprintf(stderr, "Error: Cirrus VGA not available\n");
2016 exit(0);
2017 }
2018 } else if (strstart(p, "vmware", &opts)) {
2019 if (vmware_vga_available()) {
2020 vga_interface_type = VGA_VMWARE;
2021 } else {
2022 fprintf(stderr, "Error: VMWare SVGA not available\n");
2023 exit(0);
2024 }
2025 } else if (strstart(p, "virtio", &opts)) {
2026 if (virtio_vga_available()) {
2027 vga_interface_type = VGA_VIRTIO;
2028 } else {
2029 fprintf(stderr, "Error: Virtio VGA not available\n");
2030 exit(0);
2031 }
2032 } else if (strstart(p, "xenfb", &opts)) {
2033 vga_interface_type = VGA_XENFB;
2034 } else if (strstart(p, "qxl", &opts)) {
2035 if (qxl_vga_available()) {
2036 vga_interface_type = VGA_QXL;
2037 } else {
2038 fprintf(stderr, "Error: QXL VGA not available\n");
2039 exit(0);
2040 }
2041 } else if (strstart(p, "tcx", &opts)) {
2042 if (tcx_vga_available()) {
2043 vga_interface_type = VGA_TCX;
2044 } else {
2045 fprintf(stderr, "Error: TCX framebuffer not available\n");
2046 exit(0);
2047 }
2048 } else if (strstart(p, "cg3", &opts)) {
2049 if (cg3_vga_available()) {
2050 vga_interface_type = VGA_CG3;
2051 } else {
2052 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2053 exit(0);
2054 }
2055 } else if (!strstart(p, "none", &opts)) {
2056 invalid_vga:
2057 fprintf(stderr, "Unknown vga type: %s\n", p);
2058 exit(1);
2059 }
2060 while (*opts) {
2061 const char *nextopt;
2062
2063 if (strstart(opts, ",retrace=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "dumb", &nextopt))
2066 vga_retrace_method = VGA_RETRACE_DUMB;
2067 else if (strstart(opts, "precise", &nextopt))
2068 vga_retrace_method = VGA_RETRACE_PRECISE;
2069 else goto invalid_vga;
2070 } else goto invalid_vga;
2071 opts = nextopt;
2072 }
2073 }
2074
2075 static DisplayType select_display(const char *p)
2076 {
2077 const char *opts;
2078 DisplayType display = DT_DEFAULT;
2079
2080 if (strstart(p, "sdl", &opts)) {
2081 #ifdef CONFIG_SDL
2082 display = DT_SDL;
2083 while (*opts) {
2084 const char *nextopt;
2085
2086 if (strstart(opts, ",frame=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "on", &nextopt)) {
2089 no_frame = 0;
2090 } else if (strstart(opts, "off", &nextopt)) {
2091 no_frame = 1;
2092 } else {
2093 goto invalid_sdl_args;
2094 }
2095 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2096 opts = nextopt;
2097 if (strstart(opts, "on", &nextopt)) {
2098 alt_grab = 1;
2099 } else if (strstart(opts, "off", &nextopt)) {
2100 alt_grab = 0;
2101 } else {
2102 goto invalid_sdl_args;
2103 }
2104 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2105 opts = nextopt;
2106 if (strstart(opts, "on", &nextopt)) {
2107 ctrl_grab = 1;
2108 } else if (strstart(opts, "off", &nextopt)) {
2109 ctrl_grab = 0;
2110 } else {
2111 goto invalid_sdl_args;
2112 }
2113 } else if (strstart(opts, ",window_close=", &nextopt)) {
2114 opts = nextopt;
2115 if (strstart(opts, "on", &nextopt)) {
2116 no_quit = 0;
2117 } else if (strstart(opts, "off", &nextopt)) {
2118 no_quit = 1;
2119 } else {
2120 goto invalid_sdl_args;
2121 }
2122 } else if (strstart(opts, ",gl=", &nextopt)) {
2123 opts = nextopt;
2124 if (strstart(opts, "on", &nextopt)) {
2125 request_opengl = 1;
2126 } else if (strstart(opts, "off", &nextopt)) {
2127 request_opengl = 0;
2128 } else {
2129 goto invalid_sdl_args;
2130 }
2131 } else {
2132 invalid_sdl_args:
2133 error_report("Invalid SDL option string");
2134 exit(1);
2135 }
2136 opts = nextopt;
2137 }
2138 #else
2139 error_report("SDL support is disabled");
2140 exit(1);
2141 #endif
2142 } else if (strstart(p, "vnc", &opts)) {
2143 #ifdef CONFIG_VNC
2144 if (*opts == '=') {
2145 Error *err = NULL;
2146 if (vnc_parse(opts + 1, &err) == NULL) {
2147 error_report_err(err);
2148 exit(1);
2149 }
2150 } else {
2151 error_report("VNC requires a display argument vnc=<display>");
2152 exit(1);
2153 }
2154 #else
2155 error_report("VNC support is disabled");
2156 exit(1);
2157 #endif
2158 } else if (strstart(p, "curses", &opts)) {
2159 #ifdef CONFIG_CURSES
2160 display = DT_CURSES;
2161 #else
2162 error_report("Curses support is disabled");
2163 exit(1);
2164 #endif
2165 } else if (strstart(p, "gtk", &opts)) {
2166 #ifdef CONFIG_GTK
2167 display = DT_GTK;
2168 while (*opts) {
2169 const char *nextopt;
2170
2171 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2172 opts = nextopt;
2173 if (strstart(opts, "on", &nextopt)) {
2174 grab_on_hover = true;
2175 } else if (strstart(opts, "off", &nextopt)) {
2176 grab_on_hover = false;
2177 } else {
2178 goto invalid_gtk_args;
2179 }
2180 } else if (strstart(opts, ",gl=", &nextopt)) {
2181 opts = nextopt;
2182 if (strstart(opts, "on", &nextopt)) {
2183 request_opengl = 1;
2184 } else if (strstart(opts, "off", &nextopt)) {
2185 request_opengl = 0;
2186 } else {
2187 goto invalid_gtk_args;
2188 }
2189 } else {
2190 invalid_gtk_args:
2191 error_report("Invalid GTK option string");
2192 exit(1);
2193 }
2194 opts = nextopt;
2195 }
2196 #else
2197 error_report("GTK support is disabled");
2198 exit(1);
2199 #endif
2200 } else if (strstart(p, "none", &opts)) {
2201 display = DT_NONE;
2202 } else {
2203 error_report("Unknown display type");
2204 exit(1);
2205 }
2206
2207 return display;
2208 }
2209
2210 static int balloon_parse(const char *arg)
2211 {
2212 QemuOpts *opts;
2213
2214 if (strcmp(arg, "none") == 0) {
2215 return 0;
2216 }
2217
2218 if (!strncmp(arg, "virtio", 6)) {
2219 if (arg[6] == ',') {
2220 /* have params -> parse them */
2221 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2222 false);
2223 if (!opts)
2224 return -1;
2225 } else {
2226 /* create empty opts */
2227 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2228 &error_abort);
2229 }
2230 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2231 return 0;
2232 }
2233
2234 return -1;
2235 }
2236
2237 char *qemu_find_file(int type, const char *name)
2238 {
2239 int i;
2240 const char *subdir;
2241 char *buf;
2242
2243 /* Try the name as a straight path first */
2244 if (access(name, R_OK) == 0) {
2245 trace_load_file(name, name);
2246 return g_strdup(name);
2247 }
2248
2249 switch (type) {
2250 case QEMU_FILE_TYPE_BIOS:
2251 subdir = "";
2252 break;
2253 case QEMU_FILE_TYPE_KEYMAP:
2254 subdir = "keymaps/";
2255 break;
2256 default:
2257 abort();
2258 }
2259
2260 for (i = 0; i < data_dir_idx; i++) {
2261 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2262 if (access(buf, R_OK) == 0) {
2263 trace_load_file(name, buf);
2264 return buf;
2265 }
2266 g_free(buf);
2267 }
2268 return NULL;
2269 }
2270
2271 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2272 {
2273 gchar *buf;
2274 size_t size;
2275 const char *name, *file;
2276
2277 if (opaque == NULL) {
2278 error_report("fw_cfg device not available");
2279 return -1;
2280 }
2281 name = qemu_opt_get(opts, "name");
2282 file = qemu_opt_get(opts, "file");
2283 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2284 error_report("invalid argument value");
2285 return -1;
2286 }
2287 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2288 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2289 return -1;
2290 }
2291 if (strncmp(name, "opt/", 4) != 0) {
2292 error_report("WARNING: externally provided fw_cfg item names "
2293 "should be prefixed with \"opt/\"!");
2294 }
2295 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2296 error_report("can't load %s", file);
2297 return -1;
2298 }
2299 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2300 return 0;
2301 }
2302
2303 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2304 {
2305 return qdev_device_help(opts);
2306 }
2307
2308 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2309 {
2310 Error *err = NULL;
2311 DeviceState *dev;
2312
2313 dev = qdev_device_add(opts, &err);
2314 if (!dev) {
2315 error_report_err(err);
2316 return -1;
2317 }
2318 object_unref(OBJECT(dev));
2319 return 0;
2320 }
2321
2322 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2323 {
2324 Error *local_err = NULL;
2325
2326 qemu_chr_new_from_opts(opts, NULL, &local_err);
2327 if (local_err) {
2328 error_report_err(local_err);
2329 return -1;
2330 }
2331 return 0;
2332 }
2333
2334 #ifdef CONFIG_VIRTFS
2335 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2336 {
2337 int ret;
2338 ret = qemu_fsdev_add(opts);
2339
2340 return ret;
2341 }
2342 #endif
2343
2344 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 CharDriverState *chr;
2347 const char *chardev;
2348 const char *mode;
2349 int flags;
2350
2351 mode = qemu_opt_get(opts, "mode");
2352 if (mode == NULL) {
2353 mode = "readline";
2354 }
2355 if (strcmp(mode, "readline") == 0) {
2356 flags = MONITOR_USE_READLINE;
2357 } else if (strcmp(mode, "control") == 0) {
2358 flags = MONITOR_USE_CONTROL;
2359 } else {
2360 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2361 exit(1);
2362 }
2363
2364 if (qemu_opt_get_bool(opts, "pretty", 0))
2365 flags |= MONITOR_USE_PRETTY;
2366
2367 if (qemu_opt_get_bool(opts, "default", 0))
2368 flags |= MONITOR_IS_DEFAULT;
2369
2370 chardev = qemu_opt_get(opts, "chardev");
2371 chr = qemu_chr_find(chardev);
2372 if (chr == NULL) {
2373 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2374 exit(1);
2375 }
2376
2377 qemu_chr_fe_claim_no_fail(chr);
2378 monitor_init(chr, flags);
2379 return 0;
2380 }
2381
2382 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2383 {
2384 static int monitor_device_index = 0;
2385 Error *local_err = NULL;
2386 QemuOpts *opts;
2387 const char *p;
2388 char label[32];
2389 int def = 0;
2390
2391 if (strstart(optarg, "chardev:", &p)) {
2392 snprintf(label, sizeof(label), "%s", p);
2393 } else {
2394 snprintf(label, sizeof(label), "compat_monitor%d",
2395 monitor_device_index);
2396 if (monitor_device_index == 0) {
2397 def = 1;
2398 }
2399 opts = qemu_chr_parse_compat(label, optarg);
2400 if (!opts) {
2401 fprintf(stderr, "parse error: %s\n", optarg);
2402 exit(1);
2403 }
2404 }
2405
2406 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2407 if (!opts) {
2408 error_report_err(local_err);
2409 exit(1);
2410 }
2411 qemu_opt_set(opts, "mode", mode, &error_abort);
2412 qemu_opt_set(opts, "chardev", label, &error_abort);
2413 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2414 if (def)
2415 qemu_opt_set(opts, "default", "on", &error_abort);
2416 monitor_device_index++;
2417 }
2418
2419 struct device_config {
2420 enum {
2421 DEV_USB, /* -usbdevice */
2422 DEV_BT, /* -bt */
2423 DEV_SERIAL, /* -serial */
2424 DEV_PARALLEL, /* -parallel */
2425 DEV_VIRTCON, /* -virtioconsole */
2426 DEV_DEBUGCON, /* -debugcon */
2427 DEV_GDB, /* -gdb, -s */
2428 DEV_SCLP, /* s390 sclp */
2429 } type;
2430 const char *cmdline;
2431 Location loc;
2432 QTAILQ_ENTRY(device_config) next;
2433 };
2434
2435 static QTAILQ_HEAD(, device_config) device_configs =
2436 QTAILQ_HEAD_INITIALIZER(device_configs);
2437
2438 static void add_device_config(int type, const char *cmdline)
2439 {
2440 struct device_config *conf;
2441
2442 conf = g_malloc0(sizeof(*conf));
2443 conf->type = type;
2444 conf->cmdline = cmdline;
2445 loc_save(&conf->loc);
2446 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2447 }
2448
2449 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2450 {
2451 struct device_config *conf;
2452 int rc;
2453
2454 QTAILQ_FOREACH(conf, &device_configs, next) {
2455 if (conf->type != type)
2456 continue;
2457 loc_push_restore(&conf->loc);
2458 rc = func(conf->cmdline);
2459 loc_pop(&conf->loc);
2460 if (rc) {
2461 return rc;
2462 }
2463 }
2464 return 0;
2465 }
2466
2467 static int serial_parse(const char *devname)
2468 {
2469 static int index = 0;
2470 char label[32];
2471
2472 if (strcmp(devname, "none") == 0)
2473 return 0;
2474 if (index == MAX_SERIAL_PORTS) {
2475 fprintf(stderr, "qemu: too many serial ports\n");
2476 exit(1);
2477 }
2478 snprintf(label, sizeof(label), "serial%d", index);
2479 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2480 if (!serial_hds[index]) {
2481 fprintf(stderr, "qemu: could not connect serial device"
2482 " to character backend '%s'\n", devname);
2483 return -1;
2484 }
2485 index++;
2486 return 0;
2487 }
2488
2489 static int parallel_parse(const char *devname)
2490 {
2491 static int index = 0;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 if (index == MAX_PARALLEL_PORTS) {
2497 fprintf(stderr, "qemu: too many parallel ports\n");
2498 exit(1);
2499 }
2500 snprintf(label, sizeof(label), "parallel%d", index);
2501 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!parallel_hds[index]) {
2503 fprintf(stderr, "qemu: could not connect parallel device"
2504 " to character backend '%s'\n", devname);
2505 return -1;
2506 }
2507 index++;
2508 return 0;
2509 }
2510
2511 static int virtcon_parse(const char *devname)
2512 {
2513 QemuOptsList *device = qemu_find_opts("device");
2514 static int index = 0;
2515 char label[32];
2516 QemuOpts *bus_opts, *dev_opts;
2517
2518 if (strcmp(devname, "none") == 0)
2519 return 0;
2520 if (index == MAX_VIRTIO_CONSOLES) {
2521 fprintf(stderr, "qemu: too many virtio consoles\n");
2522 exit(1);
2523 }
2524
2525 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2526 if (arch_type == QEMU_ARCH_S390X) {
2527 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2528 } else {
2529 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2530 }
2531
2532 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2533 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2534
2535 snprintf(label, sizeof(label), "virtcon%d", index);
2536 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2537 if (!virtcon_hds[index]) {
2538 fprintf(stderr, "qemu: could not connect virtio console"
2539 " to character backend '%s'\n", devname);
2540 return -1;
2541 }
2542 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2543
2544 index++;
2545 return 0;
2546 }
2547
2548 static int sclp_parse(const char *devname)
2549 {
2550 QemuOptsList *device = qemu_find_opts("device");
2551 static int index = 0;
2552 char label[32];
2553 QemuOpts *dev_opts;
2554
2555 if (strcmp(devname, "none") == 0) {
2556 return 0;
2557 }
2558 if (index == MAX_SCLP_CONSOLES) {
2559 fprintf(stderr, "qemu: too many sclp consoles\n");
2560 exit(1);
2561 }
2562
2563 assert(arch_type == QEMU_ARCH_S390X);
2564
2565 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2566 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2567
2568 snprintf(label, sizeof(label), "sclpcon%d", index);
2569 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2570 if (!sclp_hds[index]) {
2571 fprintf(stderr, "qemu: could not connect sclp console"
2572 " to character backend '%s'\n", devname);
2573 return -1;
2574 }
2575 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2576
2577 index++;
2578 return 0;
2579 }
2580
2581 static int debugcon_parse(const char *devname)
2582 {
2583 QemuOpts *opts;
2584
2585 if (!qemu_chr_new("debugcon", devname, NULL)) {
2586 exit(1);
2587 }
2588 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2589 if (!opts) {
2590 fprintf(stderr, "qemu: already have a debugcon device\n");
2591 exit(1);
2592 }
2593 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2594 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2595 return 0;
2596 }
2597
2598 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2599 {
2600 const MachineClass *mc1 = a, *mc2 = b;
2601 int res;
2602
2603 if (mc1->family == NULL) {
2604 if (mc2->family == NULL) {
2605 /* Compare standalone machine types against each other; they sort
2606 * in increasing order.
2607 */
2608 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2609 object_class_get_name(OBJECT_CLASS(mc2)));
2610 }
2611
2612 /* Standalone machine types sort after families. */
2613 return 1;
2614 }
2615
2616 if (mc2->family == NULL) {
2617 /* Families sort before standalone machine types. */
2618 return -1;
2619 }
2620
2621 /* Families sort between each other alphabetically increasingly. */
2622 res = strcmp(mc1->family, mc2->family);
2623 if (res != 0) {
2624 return res;
2625 }
2626
2627 /* Within the same family, machine types sort in decreasing order. */
2628 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2629 object_class_get_name(OBJECT_CLASS(mc1)));
2630 }
2631
2632 static MachineClass *machine_parse(const char *name)
2633 {
2634 MachineClass *mc = NULL;
2635 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2636
2637 if (name) {
2638 mc = find_machine(name);
2639 }
2640 if (mc) {
2641 g_slist_free(machines);
2642 return mc;
2643 }
2644 if (name && !is_help_option(name)) {
2645 error_report("Unsupported machine type");
2646 error_printf("Use -machine help to list supported machines!\n");
2647 } else {
2648 printf("Supported machines are:\n");
2649 machines = g_slist_sort(machines, machine_class_cmp);
2650 for (el = machines; el; el = el->next) {
2651 MachineClass *mc = el->data;
2652 if (mc->alias) {
2653 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2654 }
2655 printf("%-20s %s%s\n", mc->name, mc->desc,
2656 mc->is_default ? " (default)" : "");
2657 }
2658 }
2659
2660 g_slist_free(machines);
2661 exit(!name || !is_help_option(name));
2662 }
2663
2664 void qemu_add_exit_notifier(Notifier *notify)
2665 {
2666 notifier_list_add(&exit_notifiers, notify);
2667 }
2668
2669 void qemu_remove_exit_notifier(Notifier *notify)
2670 {
2671 notifier_remove(notify);
2672 }
2673
2674 static void qemu_run_exit_notifiers(void)
2675 {
2676 notifier_list_notify(&exit_notifiers, NULL);
2677 }
2678
2679 static bool machine_init_done;
2680
2681 void qemu_add_machine_init_done_notifier(Notifier *notify)
2682 {
2683 notifier_list_add(&machine_init_done_notifiers, notify);
2684 if (machine_init_done) {
2685 notify->notify(notify, NULL);
2686 }
2687 }
2688
2689 static void qemu_run_machine_init_done_notifiers(void)
2690 {
2691 notifier_list_notify(&machine_init_done_notifiers, NULL);
2692 machine_init_done = true;
2693 }
2694
2695 static const QEMUOption *lookup_opt(int argc, char **argv,
2696 const char **poptarg, int *poptind)
2697 {
2698 const QEMUOption *popt;
2699 int optind = *poptind;
2700 char *r = argv[optind];
2701 const char *optarg;
2702
2703 loc_set_cmdline(argv, optind, 1);
2704 optind++;
2705 /* Treat --foo the same as -foo. */
2706 if (r[1] == '-')
2707 r++;
2708 popt = qemu_options;
2709 for(;;) {
2710 if (!popt->name) {
2711 error_report("invalid option");
2712 exit(1);
2713 }
2714 if (!strcmp(popt->name, r + 1))
2715 break;
2716 popt++;
2717 }
2718 if (popt->flags & HAS_ARG) {
2719 if (optind >= argc) {
2720 error_report("requires an argument");
2721 exit(1);
2722 }
2723 optarg = argv[optind++];
2724 loc_set_cmdline(argv, optind - 2, 2);
2725 } else {
2726 optarg = NULL;
2727 }
2728
2729 *poptarg = optarg;
2730 *poptind = optind;
2731
2732 return popt;
2733 }
2734
2735 static gpointer malloc_and_trace(gsize n_bytes)
2736 {
2737 void *ptr = malloc(n_bytes);
2738 trace_g_malloc(n_bytes, ptr);
2739 return ptr;
2740 }
2741
2742 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2743 {
2744 void *ptr = realloc(mem, n_bytes);
2745 trace_g_realloc(mem, n_bytes, ptr);
2746 return ptr;
2747 }
2748
2749 static void free_and_trace(gpointer mem)
2750 {
2751 trace_g_free(mem);
2752 free(mem);
2753 }
2754
2755 static int machine_set_property(void *opaque,
2756 const char *name, const char *value,
2757 Error **errp)
2758 {
2759 Object *obj = OBJECT(opaque);
2760 Error *local_err = NULL;
2761 char *c, *qom_name;
2762
2763 if (strcmp(name, "type") == 0) {
2764 return 0;
2765 }
2766
2767 qom_name = g_strdup(name);
2768 c = qom_name;
2769 while (*c++) {
2770 if (*c == '_') {
2771 *c = '-';
2772 }
2773 }
2774
2775 object_property_parse(obj, value, qom_name, &local_err);
2776 g_free(qom_name);
2777
2778 if (local_err) {
2779 error_report_err(local_err);
2780 return -1;
2781 }
2782
2783 return 0;
2784 }
2785
2786
2787 /*
2788 * Initial object creation happens before all other
2789 * QEMU data types are created. The majority of objects
2790 * can be created at this point. The rng-egd object
2791 * cannot be created here, as it depends on the chardev
2792 * already existing.
2793 */
2794 static bool object_create_initial(const char *type)
2795 {
2796 if (g_str_equal(type, "rng-egd")) {
2797 return false;
2798 }
2799 return true;
2800 }
2801
2802
2803 /*
2804 * The remainder of object creation happens after the
2805 * creation of chardev, fsdev and device data types.
2806 */
2807 static bool object_create_delayed(const char *type)
2808 {
2809 return !object_create_initial(type);
2810 }
2811
2812
2813 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2814 {
2815 Error *err = NULL;
2816 char *type = NULL;
2817 char *id = NULL;
2818 void *dummy = NULL;
2819 OptsVisitor *ov;
2820 QDict *pdict;
2821 bool (*type_predicate)(const char *) = opaque;
2822
2823 ov = opts_visitor_new(opts);
2824 pdict = qemu_opts_to_qdict(opts, NULL);
2825
2826 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2827 if (err) {
2828 goto out;
2829 }
2830
2831 qdict_del(pdict, "qom-type");
2832 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2833 if (err) {
2834 goto out;
2835 }
2836 if (!type_predicate(type)) {
2837 goto out;
2838 }
2839
2840 qdict_del(pdict, "id");
2841 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2842 if (err) {
2843 goto out;
2844 }
2845
2846 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2847 if (err) {
2848 goto out;
2849 }
2850 visit_end_struct(opts_get_visitor(ov), &err);
2851 if (err) {
2852 qmp_object_del(id, NULL);
2853 }
2854
2855 out:
2856 opts_visitor_cleanup(ov);
2857
2858 QDECREF(pdict);
2859 g_free(id);
2860 g_free(type);
2861 g_free(dummy);
2862 if (err) {
2863 error_report_err(err);
2864 return -1;
2865 }
2866 return 0;
2867 }
2868
2869 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2870 MachineClass *mc)
2871 {
2872 uint64_t sz;
2873 const char *mem_str;
2874 const char *maxmem_str, *slots_str;
2875 const ram_addr_t default_ram_size = mc->default_ram_size;
2876 QemuOpts *opts = qemu_find_opts_singleton("memory");
2877
2878 sz = 0;
2879 mem_str = qemu_opt_get(opts, "size");
2880 if (mem_str) {
2881 if (!*mem_str) {
2882 error_report("missing 'size' option value");
2883 exit(EXIT_FAILURE);
2884 }
2885
2886 sz = qemu_opt_get_size(opts, "size", ram_size);
2887
2888 /* Fix up legacy suffix-less format */
2889 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2890 uint64_t overflow_check = sz;
2891
2892 sz <<= 20;
2893 if ((sz >> 20) != overflow_check) {
2894 error_report("too large 'size' option value");
2895 exit(EXIT_FAILURE);
2896 }
2897 }
2898 }
2899
2900 /* backward compatibility behaviour for case "-m 0" */
2901 if (sz == 0) {
2902 sz = default_ram_size;
2903 }
2904
2905 sz = QEMU_ALIGN_UP(sz, 8192);
2906 ram_size = sz;
2907 if (ram_size != sz) {
2908 error_report("ram size too large");
2909 exit(EXIT_FAILURE);
2910 }
2911
2912 /* store value for the future use */
2913 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2914 *maxram_size = ram_size;
2915
2916 maxmem_str = qemu_opt_get(opts, "maxmem");
2917 slots_str = qemu_opt_get(opts, "slots");
2918 if (maxmem_str && slots_str) {
2919 uint64_t slots;
2920
2921 sz = qemu_opt_get_size(opts, "maxmem", 0);
2922 slots = qemu_opt_get_number(opts, "slots", 0);
2923 if (sz < ram_size) {
2924 error_report("invalid value of -m option maxmem: "
2925 "maximum memory size (0x%" PRIx64 ") must be at least "
2926 "the initial memory size (0x" RAM_ADDR_FMT ")",
2927 sz, ram_size);
2928 exit(EXIT_FAILURE);
2929 } else if (sz > ram_size) {
2930 if (!slots) {
2931 error_report("invalid value of -m option: maxmem was "
2932 "specified, but no hotplug slots were specified");
2933 exit(EXIT_FAILURE);
2934 }
2935 } else if (slots) {
2936 error_report("invalid value of -m option maxmem: "
2937 "memory slots were specified but maximum memory size "
2938 "(0x%" PRIx64 ") is equal to the initial memory size "
2939 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2940 exit(EXIT_FAILURE);
2941 }
2942
2943 *maxram_size = sz;
2944 *ram_slots = slots;
2945 } else if ((!maxmem_str && slots_str) ||
2946 (maxmem_str && !slots_str)) {
2947 error_report("invalid -m option value: missing "
2948 "'%s' option", slots_str ? "maxmem" : "slots");
2949 exit(EXIT_FAILURE);
2950 }
2951 }
2952
2953 int main(int argc, char **argv, char **envp)
2954 {
2955 int i;
2956 int snapshot, linux_boot;
2957 const char *initrd_filename;
2958 const char *kernel_filename, *kernel_cmdline;
2959 const char *boot_order = NULL;
2960 const char *boot_once = NULL;
2961 DisplayState *ds;
2962 int cyls, heads, secs, translation;
2963 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2964 QemuOptsList *olist;
2965 int optind;
2966 const char *optarg;
2967 const char *loadvm = NULL;
2968 MachineClass *machine_class;
2969 const char *cpu_model;
2970 const char *vga_model = NULL;
2971 const char *qtest_chrdev = NULL;
2972 const char *qtest_log = NULL;
2973 const char *pid_file = NULL;
2974 const char *incoming = NULL;
2975 #ifdef CONFIG_VNC
2976 int show_vnc_port = 0;
2977 #endif
2978 bool defconfig = true;
2979 bool userconfig = true;
2980 const char *log_mask = NULL;
2981 const char *log_file = NULL;
2982 GMemVTable mem_trace = {
2983 .malloc = malloc_and_trace,
2984 .realloc = realloc_and_trace,
2985 .free = free_and_trace,
2986 };
2987 const char *trace_events = NULL;
2988 const char *trace_file = NULL;
2989 ram_addr_t maxram_size;
2990 uint64_t ram_slots = 0;
2991 FILE *vmstate_dump_file = NULL;
2992 Error *main_loop_err = NULL;
2993 Error *err = NULL;
2994
2995 qemu_init_cpu_loop();
2996 qemu_mutex_lock_iothread();
2997
2998 atexit(qemu_run_exit_notifiers);
2999 error_set_progname(argv[0]);
3000 qemu_init_exec_dir(argv[0]);
3001
3002 g_mem_set_vtable(&mem_trace);
3003
3004 module_call_init(MODULE_INIT_QOM);
3005
3006 qemu_add_opts(&qemu_drive_opts);
3007 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3008 qemu_add_drive_opts(&qemu_common_drive_opts);
3009 qemu_add_drive_opts(&qemu_drive_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_net_opts);
3014 qemu_add_opts(&qemu_rtc_opts);
3015 qemu_add_opts(&qemu_global_opts);
3016 qemu_add_opts(&qemu_mon_opts);
3017 qemu_add_opts(&qemu_trace_opts);
3018 qemu_add_opts(&qemu_option_rom_opts);
3019 qemu_add_opts(&qemu_machine_opts);
3020 qemu_add_opts(&qemu_mem_opts);
3021 qemu_add_opts(&qemu_smp_opts);
3022 qemu_add_opts(&qemu_boot_opts);
3023 qemu_add_opts(&qemu_sandbox_opts);
3024 qemu_add_opts(&qemu_add_fd_opts);
3025 qemu_add_opts(&qemu_object_opts);
3026 qemu_add_opts(&qemu_tpmdev_opts);
3027 qemu_add_opts(&qemu_realtime_opts);
3028 qemu_add_opts(&qemu_msg_opts);
3029 qemu_add_opts(&qemu_name_opts);
3030 qemu_add_opts(&qemu_numa_opts);
3031 qemu_add_opts(&qemu_icount_opts);
3032 qemu_add_opts(&qemu_semihosting_config_opts);
3033 qemu_add_opts(&qemu_fw_cfg_opts);
3034
3035 runstate_init();
3036
3037 if (qcrypto_init(&err) < 0) {
3038 fprintf(stderr, "Cannot initialize crypto: %s\n",
3039 error_get_pretty(err));
3040 exit(1);
3041 }
3042 rtc_clock = QEMU_CLOCK_HOST;
3043
3044 QLIST_INIT (&vm_change_state_head);
3045 os_setup_early_signal_handling();
3046
3047 module_call_init(MODULE_INIT_MACHINE);
3048 machine_class = find_default_machine();
3049 cpu_model = NULL;
3050 snapshot = 0;
3051 cyls = heads = secs = 0;
3052 translation = BIOS_ATA_TRANSLATION_AUTO;
3053
3054 nb_nics = 0;
3055
3056 bdrv_init_with_whitelist();
3057
3058 autostart = 1;
3059
3060 /* first pass of option parsing */
3061 optind = 1;
3062 while (optind < argc) {
3063 if (argv[optind][0] != '-') {
3064 /* disk image */
3065 optind++;
3066 } else {
3067 const QEMUOption *popt;
3068
3069 popt = lookup_opt(argc, argv, &optarg, &optind);
3070 switch (popt->index) {
3071 case QEMU_OPTION_nodefconfig:
3072 defconfig = false;
3073 break;
3074 case QEMU_OPTION_nouserconfig:
3075 userconfig = false;
3076 break;
3077 }
3078 }
3079 }
3080
3081 if (defconfig) {
3082 int ret;
3083 ret = qemu_read_default_config_files(userconfig);
3084 if (ret < 0) {
3085 exit(1);
3086 }
3087 }
3088
3089 /* second pass of option parsing */
3090 optind = 1;
3091 for(;;) {
3092 if (optind >= argc)
3093 break;
3094 if (argv[optind][0] != '-') {
3095 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3096 } else {
3097 const QEMUOption *popt;
3098
3099 popt = lookup_opt(argc, argv, &optarg, &optind);
3100 if (!(popt->arch_mask & arch_type)) {
3101 printf("Option %s not supported for this target\n", popt->name);
3102 exit(1);
3103 }
3104 switch(popt->index) {
3105 case QEMU_OPTION_no_kvm_irqchip: {
3106 olist = qemu_find_opts("machine");
3107 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3108 break;
3109 }
3110 case QEMU_OPTION_cpu:
3111 /* hw initialization will check this */
3112 cpu_model = optarg;
3113 break;
3114 case QEMU_OPTION_hda:
3115 {
3116 char buf[256];
3117 if (cyls == 0)
3118 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3119 else
3120 snprintf(buf, sizeof(buf),
3121 "%s,cyls=%d,heads=%d,secs=%d%s",
3122 HD_OPTS , cyls, heads, secs,
3123 translation == BIOS_ATA_TRANSLATION_LBA ?
3124 ",trans=lba" :
3125 translation == BIOS_ATA_TRANSLATION_NONE ?
3126 ",trans=none" : "");
3127 drive_add(IF_DEFAULT, 0, optarg, buf);
3128 break;
3129 }
3130 case QEMU_OPTION_hdb:
3131 case QEMU_OPTION_hdc:
3132 case QEMU_OPTION_hdd:
3133 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3134 HD_OPTS);
3135 break;
3136 case QEMU_OPTION_drive:
3137 if (drive_def(optarg) == NULL) {
3138 exit(1);
3139 }
3140 break;
3141 case QEMU_OPTION_set:
3142 if (qemu_set_option(optarg) != 0)
3143 exit(1);
3144 break;
3145 case QEMU_OPTION_global:
3146 if (qemu_global_option(optarg) != 0)
3147 exit(1);
3148 break;
3149 case QEMU_OPTION_mtdblock:
3150 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3151 break;
3152 case QEMU_OPTION_sd:
3153 drive_add(IF_SD, -1, optarg, SD_OPTS);
3154 break;
3155 case QEMU_OPTION_pflash:
3156 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3157 break;
3158 case QEMU_OPTION_snapshot:
3159 snapshot = 1;
3160 break;
3161 case QEMU_OPTION_hdachs:
3162 {
3163 const char *p;
3164 p = optarg;
3165 cyls = strtol(p, (char **)&p, 0);
3166 if (cyls < 1 || cyls > 16383)
3167 goto chs_fail;
3168 if (*p != ',')
3169 goto chs_fail;
3170 p++;
3171 heads = strtol(p, (char **)&p, 0);
3172 if (heads < 1 || heads > 16)
3173 goto chs_fail;
3174 if (*p != ',')
3175 goto chs_fail;
3176 p++;
3177 secs = strtol(p, (char **)&p, 0);
3178 if (secs < 1 || secs > 63)
3179 goto chs_fail;
3180 if (*p == ',') {
3181 p++;
3182 if (!strcmp(p, "large")) {
3183 translation = BIOS_ATA_TRANSLATION_LARGE;
3184 } else if (!strcmp(p, "rechs")) {
3185 translation = BIOS_ATA_TRANSLATION_RECHS;
3186 } else if (!strcmp(p, "none")) {
3187 translation = BIOS_ATA_TRANSLATION_NONE;
3188 } else if (!strcmp(p, "lba")) {
3189 translation = BIOS_ATA_TRANSLATION_LBA;
3190 } else if (!strcmp(p, "auto")) {
3191 translation = BIOS_ATA_TRANSLATION_AUTO;
3192 } else {
3193 goto chs_fail;
3194 }
3195 } else if (*p != '\0') {
3196 chs_fail:
3197 fprintf(stderr, "qemu: invalid physical CHS format\n");
3198 exit(1);
3199 }
3200 if (hda_opts != NULL) {
3201 qemu_opt_set_number(hda_opts, "cyls", cyls,
3202 &error_abort);
3203 qemu_opt_set_number(hda_opts, "heads", heads,
3204 &error_abort);
3205 qemu_opt_set_number(hda_opts, "secs", secs,
3206 &error_abort);
3207 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3208 qemu_opt_set(hda_opts, "trans", "large",
3209 &error_abort);
3210 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3211 qemu_opt_set(hda_opts, "trans", "rechs",
3212 &error_abort);
3213 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3214 qemu_opt_set(hda_opts, "trans", "lba",
3215 &error_abort);
3216 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3217 qemu_opt_set(hda_opts, "trans", "none",
3218 &error_abort);
3219 }
3220 }
3221 }
3222 break;
3223 case QEMU_OPTION_numa:
3224 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3225 optarg, true);
3226 if (!opts) {
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_display:
3231 display_type = select_display(optarg);
3232 break;
3233 case QEMU_OPTION_nographic:
3234 display_type = DT_NOGRAPHIC;
3235 break;
3236 case QEMU_OPTION_curses:
3237 #ifdef CONFIG_CURSES
3238 display_type = DT_CURSES;
3239 #else
3240 fprintf(stderr, "Curses support is disabled\n");
3241 exit(1);
3242 #endif
3243 break;
3244 case QEMU_OPTION_portrait:
3245 graphic_rotate = 90;
3246 break;
3247 case QEMU_OPTION_rotate:
3248 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3249 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3250 graphic_rotate != 180 && graphic_rotate != 270) {
3251 fprintf(stderr,
3252 "qemu: only 90, 180, 270 deg rotation is available\n");
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_kernel:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3258 &error_abort);
3259 break;
3260 case QEMU_OPTION_initrd:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3262 &error_abort);
3263 break;
3264 case QEMU_OPTION_append:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3266 &error_abort);
3267 break;
3268 case QEMU_OPTION_dtb:
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3270 &error_abort);
3271 break;
3272 case QEMU_OPTION_cdrom:
3273 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3274 break;
3275 case QEMU_OPTION_boot:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3277 optarg, true);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_fda:
3283 case QEMU_OPTION_fdb:
3284 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3285 optarg, FD_OPTS);
3286 break;
3287 case QEMU_OPTION_no_fd_bootchk:
3288 fd_bootchk = 0;
3289 break;
3290 case QEMU_OPTION_netdev:
3291 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3292 exit(1);
3293 }
3294 break;
3295 case QEMU_OPTION_net:
3296 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3297 exit(1);
3298 }
3299 break;
3300 #ifdef CONFIG_LIBISCSI
3301 case QEMU_OPTION_iscsi:
3302 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3303 optarg, false);
3304 if (!opts) {
3305 exit(1);
3306 }
3307 break;
3308 #endif
3309 #ifdef CONFIG_SLIRP
3310 case QEMU_OPTION_tftp:
3311 legacy_tftp_prefix = optarg;
3312 break;
3313 case QEMU_OPTION_bootp:
3314 legacy_bootp_filename = optarg;
3315 break;
3316 case QEMU_OPTION_redir:
3317 if (net_slirp_redir(optarg) < 0)
3318 exit(1);
3319 break;
3320 #endif
3321 case QEMU_OPTION_bt:
3322 add_device_config(DEV_BT, optarg);
3323 break;
3324 case QEMU_OPTION_audio_help:
3325 AUD_help ();
3326 exit (0);
3327 break;
3328 case QEMU_OPTION_soundhw:
3329 select_soundhw (optarg);
3330 break;
3331 case QEMU_OPTION_h:
3332 help(0);
3333 break;
3334 case QEMU_OPTION_version:
3335 version();
3336 exit(0);
3337 break;
3338 case QEMU_OPTION_m:
3339 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3340 optarg, true);
3341 if (!opts) {
3342 exit(EXIT_FAILURE);
3343 }
3344 break;
3345 #ifdef CONFIG_TPM
3346 case QEMU_OPTION_tpmdev:
3347 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3348 exit(1);
3349 }
3350 break;
3351 #endif
3352 case QEMU_OPTION_mempath:
3353 mem_path = optarg;
3354 break;
3355 case QEMU_OPTION_mem_prealloc:
3356 mem_prealloc = 1;
3357 break;
3358 case QEMU_OPTION_d:
3359 log_mask = optarg;
3360 break;
3361 case QEMU_OPTION_D:
3362 log_file = optarg;
3363 break;
3364 case QEMU_OPTION_s:
3365 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3366 break;
3367 case QEMU_OPTION_gdb:
3368 add_device_config(DEV_GDB, optarg);
3369 break;
3370 case QEMU_OPTION_L:
3371 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3372 data_dir[data_dir_idx++] = optarg;
3373 }
3374 break;
3375 case QEMU_OPTION_bios:
3376 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3377 &error_abort);
3378 break;
3379 case QEMU_OPTION_singlestep:
3380 singlestep = 1;
3381 break;
3382 case QEMU_OPTION_S:
3383 autostart = 0;
3384 break;
3385 case QEMU_OPTION_k:
3386 keyboard_layout = optarg;
3387 break;
3388 case QEMU_OPTION_localtime:
3389 rtc_utc = 0;
3390 break;
3391 case QEMU_OPTION_vga:
3392 vga_model = optarg;
3393 default_vga = 0;
3394 break;
3395 case QEMU_OPTION_g:
3396 {
3397 const char *p;
3398 int w, h, depth;
3399 p = optarg;
3400 w = strtol(p, (char **)&p, 10);
3401 if (w <= 0) {
3402 graphic_error:
3403 fprintf(stderr, "qemu: invalid resolution or depth\n");
3404 exit(1);
3405 }
3406 if (*p != 'x')
3407 goto graphic_error;
3408 p++;
3409 h = strtol(p, (char **)&p, 10);
3410 if (h <= 0)
3411 goto graphic_error;
3412 if (*p == 'x') {
3413 p++;
3414 depth = strtol(p, (char **)&p, 10);
3415 if (depth != 8 && depth != 15 && depth != 16 &&
3416 depth != 24 && depth != 32)
3417 goto graphic_error;
3418 } else if (*p == '\0') {
3419 depth = graphic_depth;
3420 } else {
3421 goto graphic_error;
3422 }
3423
3424 graphic_width = w;
3425 graphic_height = h;
3426 graphic_depth = depth;
3427 }
3428 break;
3429 case QEMU_OPTION_echr:
3430 {
3431 char *r;
3432 term_escape_char = strtol(optarg, &r, 0);
3433 if (r == optarg)
3434 printf("Bad argument to echr\n");
3435 break;
3436 }
3437 case QEMU_OPTION_monitor:
3438 default_monitor = 0;
3439 if (strncmp(optarg, "none", 4)) {
3440 monitor_parse(optarg, "readline", false);
3441 }
3442 break;
3443 case QEMU_OPTION_qmp:
3444 monitor_parse(optarg, "control", false);
3445 default_monitor = 0;
3446 break;
3447 case QEMU_OPTION_qmp_pretty:
3448 monitor_parse(optarg, "control", true);
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_mon:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3453 true);
3454 if (!opts) {
3455 exit(1);
3456 }
3457 default_monitor = 0;
3458 break;
3459 case QEMU_OPTION_chardev:
3460 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3461 optarg, true);
3462 if (!opts) {
3463 exit(1);
3464 }
3465 break;
3466 case QEMU_OPTION_fsdev:
3467 olist = qemu_find_opts("fsdev");
3468 if (!olist) {
3469 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3470 exit(1);
3471 }
3472 opts = qemu_opts_parse_noisily(olist, optarg, true);
3473 if (!opts) {
3474 exit(1);
3475 }
3476 break;
3477 case QEMU_OPTION_virtfs: {
3478 QemuOpts *fsdev;
3479 QemuOpts *device;
3480 const char *writeout, *sock_fd, *socket;
3481
3482 olist = qemu_find_opts("virtfs");
3483 if (!olist) {
3484 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3485 exit(1);
3486 }
3487 opts = qemu_opts_parse_noisily(olist, optarg, true);
3488 if (!opts) {
3489 exit(1);
3490 }
3491
3492 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3493 qemu_opt_get(opts, "mount_tag") == NULL) {
3494 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3495 exit(1);
3496 }
3497 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3498 qemu_opt_get(opts, "mount_tag"),
3499 1, NULL);
3500 if (!fsdev) {
3501 fprintf(stderr, "duplicate fsdev id: %s\n",
3502 qemu_opt_get(opts, "mount_tag"));
3503 exit(1);
3504 }
3505
3506 writeout = qemu_opt_get(opts, "writeout");
3507 if (writeout) {
3508 #ifdef CONFIG_SYNC_FILE_RANGE
3509 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3510 #else
3511 fprintf(stderr, "writeout=immediate not supported on "
3512 "this platform\n");
3513 exit(1);
3514 #endif
3515 }
3516 qemu_opt_set(fsdev, "fsdriver",
3517 qemu_opt_get(opts, "fsdriver"), &error_abort);
3518 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3519 &error_abort);
3520 qemu_opt_set(fsdev, "security_model",
3521 qemu_opt_get(opts, "security_model"),
3522 &error_abort);
3523 socket = qemu_opt_get(opts, "socket");
3524 if (socket) {
3525 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3526 }
3527 sock_fd = qemu_opt_get(opts, "sock_fd");
3528 if (sock_fd) {
3529 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3530 }
3531
3532 qemu_opt_set_bool(fsdev, "readonly",
3533 qemu_opt_get_bool(opts, "readonly", 0),
3534 &error_abort);
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3536 &error_abort);
3537 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3538 qemu_opt_set(device, "fsdev",
3539 qemu_opt_get(opts, "mount_tag"), &error_abort);
3540 qemu_opt_set(device, "mount_tag",
3541 qemu_opt_get(opts, "mount_tag"), &error_abort);
3542 break;
3543 }
3544 case QEMU_OPTION_virtfs_synth: {
3545 QemuOpts *fsdev;
3546 QemuOpts *device;
3547
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3549 1, NULL);
3550 if (!fsdev) {
3551 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3552 exit(1);
3553 }
3554 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3555
3556 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3557 &error_abort);
3558 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3559 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3560 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3561 break;
3562 }
3563 case QEMU_OPTION_serial:
3564 add_device_config(DEV_SERIAL, optarg);
3565 default_serial = 0;
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3568 }
3569 break;
3570 case QEMU_OPTION_watchdog:
3571 if (watchdog) {
3572 fprintf(stderr,
3573 "qemu: only one watchdog option may be given\n");
3574 return 1;
3575 }
3576 watchdog = optarg;
3577 break;
3578 case QEMU_OPTION_watchdog_action:
3579 if (select_watchdog_action(optarg) == -1) {
3580 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3581 exit(1);
3582 }
3583 break;
3584 case QEMU_OPTION_virtiocon:
3585 add_device_config(DEV_VIRTCON, optarg);
3586 default_virtcon = 0;
3587 if (strncmp(optarg, "mon:", 4) == 0) {
3588 default_monitor = 0;
3589 }
3590 break;
3591 case QEMU_OPTION_parallel:
3592 add_device_config(DEV_PARALLEL, optarg);
3593 default_parallel = 0;
3594 if (strncmp(optarg, "mon:", 4) == 0) {
3595 default_monitor = 0;
3596 }
3597 break;
3598 case QEMU_OPTION_debugcon:
3599 add_device_config(DEV_DEBUGCON, optarg);
3600 break;
3601 case QEMU_OPTION_loadvm:
3602 loadvm = optarg;
3603 break;
3604 case QEMU_OPTION_full_screen:
3605 full_screen = 1;
3606 break;
3607 case QEMU_OPTION_no_frame:
3608 no_frame = 1;
3609 break;
3610 case QEMU_OPTION_alt_grab:
3611 alt_grab = 1;
3612 break;
3613 case QEMU_OPTION_ctrl_grab:
3614 ctrl_grab = 1;
3615 break;
3616 case QEMU_OPTION_no_quit:
3617 no_quit = 1;
3618 break;
3619 case QEMU_OPTION_sdl:
3620 #ifdef CONFIG_SDL
3621 display_type = DT_SDL;
3622 break;
3623 #else
3624 fprintf(stderr, "SDL support is disabled\n");
3625 exit(1);
3626 #endif
3627 case QEMU_OPTION_pidfile:
3628 pid_file = optarg;
3629 break;
3630 case QEMU_OPTION_win2k_hack:
3631 win2k_install_hack = 1;
3632 break;
3633 case QEMU_OPTION_rtc_td_hack: {
3634 static GlobalProperty slew_lost_ticks[] = {
3635 {
3636 .driver = "mc146818rtc",
3637 .property = "lost_tick_policy",
3638 .value = "slew",
3639 },
3640 { /* end of list */ }
3641 };
3642
3643 qdev_prop_register_global_list(slew_lost_ticks);
3644 break;
3645 }
3646 case QEMU_OPTION_acpitable:
3647 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3648 optarg, true);
3649 if (!opts) {
3650 exit(1);
3651 }
3652 do_acpitable_option(opts);
3653 break;
3654 case QEMU_OPTION_smbios:
3655 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3656 optarg, false);
3657 if (!opts) {
3658 exit(1);
3659 }
3660 do_smbios_option(opts);
3661 break;
3662 case QEMU_OPTION_fwcfg:
3663 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3664 optarg, true);
3665 if (opts == NULL) {
3666 exit(1);
3667 }
3668 break;
3669 case QEMU_OPTION_enable_kvm:
3670 olist = qemu_find_opts("machine");
3671 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3672 break;
3673 case QEMU_OPTION_M:
3674 case QEMU_OPTION_machine:
3675 olist = qemu_find_opts("machine");
3676 opts = qemu_opts_parse_noisily(olist, optarg, true);
3677 if (!opts) {
3678 exit(1);
3679 }
3680 break;
3681 case QEMU_OPTION_no_kvm:
3682 olist = qemu_find_opts("machine");
3683 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3684 break;
3685 case QEMU_OPTION_no_kvm_pit: {
3686 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3687 "separately.\n");
3688 break;
3689 }
3690 case QEMU_OPTION_no_kvm_pit_reinjection: {
3691 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3692 {
3693 .driver = "kvm-pit",
3694 .property = "lost_tick_policy",
3695 .value = "discard",
3696 },
3697 { /* end of list */ }
3698 };
3699
3700 fprintf(stderr, "Warning: option deprecated, use "
3701 "lost_tick_policy property of kvm-pit instead.\n");
3702 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3703 break;
3704 }
3705 case QEMU_OPTION_usb:
3706 olist = qemu_find_opts("machine");
3707 qemu_opts_parse_noisily(olist, "usb=on", false);
3708 break;
3709 case QEMU_OPTION_usbdevice:
3710 olist = qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist, "usb=on", false);
3712 add_device_config(DEV_USB, optarg);
3713 break;
3714 case QEMU_OPTION_device:
3715 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3716 optarg, true)) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_smp:
3721 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3722 optarg, true)) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_vnc:
3727 {
3728 #ifdef CONFIG_VNC
3729 Error *local_err = NULL;
3730
3731 if (vnc_parse(optarg, &local_err) == NULL) {
3732 error_report_err(local_err);
3733 exit(1);
3734 }
3735 #else
3736 fprintf(stderr, "VNC support is disabled\n");
3737 exit(1);
3738 #endif
3739 break;
3740 }
3741 case QEMU_OPTION_no_acpi:
3742 acpi_enabled = 0;
3743 break;
3744 case QEMU_OPTION_no_hpet:
3745 no_hpet = 1;
3746 break;
3747 case QEMU_OPTION_balloon:
3748 if (balloon_parse(optarg) < 0) {
3749 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3750 exit(1);
3751 }
3752 break;
3753 case QEMU_OPTION_no_reboot:
3754 no_reboot = 1;
3755 break;
3756 case QEMU_OPTION_no_shutdown:
3757 no_shutdown = 1;
3758 break;
3759 case QEMU_OPTION_show_cursor:
3760 cursor_hide = 0;
3761 break;
3762 case QEMU_OPTION_uuid:
3763 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3764 fprintf(stderr, "Fail to parse UUID string."
3765 " Wrong format.\n");
3766 exit(1);
3767 }
3768 qemu_uuid_set = true;
3769 break;
3770 case QEMU_OPTION_option_rom:
3771 if (nb_option_roms >= MAX_OPTION_ROMS) {
3772 fprintf(stderr, "Too many option ROMs\n");
3773 exit(1);
3774 }
3775 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3776 optarg, true);
3777 if (!opts) {
3778 exit(1);
3779 }
3780 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3781 option_rom[nb_option_roms].bootindex =
3782 qemu_opt_get_number(opts, "bootindex", -1);
3783 if (!option_rom[nb_option_roms].name) {
3784 fprintf(stderr, "Option ROM file is not specified\n");
3785 exit(1);
3786 }
3787 nb_option_roms++;
3788 break;
3789 case QEMU_OPTION_semihosting:
3790 semihosting.enabled = true;
3791 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3792 break;
3793 case QEMU_OPTION_semihosting_config:
3794 semihosting.enabled = true;
3795 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3796 optarg, false);
3797 if (opts != NULL) {
3798 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3799 true);
3800 const char *target = qemu_opt_get(opts, "target");
3801 if (target != NULL) {
3802 if (strcmp("native", target) == 0) {
3803 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3804 } else if (strcmp("gdb", target) == 0) {
3805 semihosting.target = SEMIHOSTING_TARGET_GDB;
3806 } else if (strcmp("auto", target) == 0) {
3807 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3808 } else {
3809 fprintf(stderr, "Unsupported semihosting-config"
3810 " %s\n",
3811 optarg);
3812 exit(1);
3813 }
3814 } else {
3815 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3816 }
3817 /* Set semihosting argument count and vector */
3818 qemu_opt_foreach(opts, add_semihosting_arg,
3819 &semihosting, NULL);
3820 } else {
3821 fprintf(stderr, "Unsupported semihosting-config %s\n",
3822 optarg);
3823 exit(1);
3824 }
3825 break;
3826 case QEMU_OPTION_tdf:
3827 fprintf(stderr, "Warning: user space PIT time drift fix "
3828 "is no longer supported.\n");
3829 break;
3830 case QEMU_OPTION_name:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3832 optarg, true);
3833 if (!opts) {
3834 exit(1);
3835 }
3836 break;
3837 case QEMU_OPTION_prom_env:
3838 if (nb_prom_envs >= MAX_PROM_ENVS) {
3839 fprintf(stderr, "Too many prom variables\n");
3840 exit(1);
3841 }
3842 prom_envs[nb_prom_envs] = optarg;
3843 nb_prom_envs++;
3844 break;
3845 case QEMU_OPTION_old_param:
3846 old_param = 1;
3847 break;
3848 case QEMU_OPTION_clock:
3849 /* Clock options no longer exist. Keep this option for
3850 * backward compatibility.
3851 */
3852 break;
3853 case QEMU_OPTION_startdate:
3854 configure_rtc_date_offset(optarg, 1);
3855 break;
3856 case QEMU_OPTION_rtc:
3857 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3858 false);
3859 if (!opts) {
3860 exit(1);
3861 }
3862 configure_rtc(opts);
3863 break;
3864 case QEMU_OPTION_tb_size:
3865 tcg_tb_size = strtol(optarg, NULL, 0);
3866 if (tcg_tb_size < 0) {
3867 tcg_tb_size = 0;
3868 }
3869 break;
3870 case QEMU_OPTION_icount:
3871 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3872 optarg, true);
3873 if (!icount_opts) {
3874 exit(1);
3875 }
3876 break;
3877 case QEMU_OPTION_incoming:
3878 if (!incoming) {
3879 runstate_set(RUN_STATE_INMIGRATE);
3880 }
3881 incoming = optarg;
3882 break;
3883 case QEMU_OPTION_nodefaults:
3884 has_defaults = 0;
3885 break;
3886 case QEMU_OPTION_xen_domid:
3887 if (!(xen_available())) {
3888 printf("Option %s not supported for this target\n", popt->name);
3889 exit(1);
3890 }
3891 xen_domid = atoi(optarg);
3892 break;
3893 case QEMU_OPTION_xen_create:
3894 if (!(xen_available())) {
3895 printf("Option %s not supported for this target\n", popt->name);
3896 exit(1);
3897 }
3898 xen_mode = XEN_CREATE;
3899 break;
3900 case QEMU_OPTION_xen_attach:
3901 if (!(xen_available())) {
3902 printf("Option %s not supported for this target\n", popt->name);
3903 exit(1);
3904 }
3905 xen_mode = XEN_ATTACH;
3906 break;
3907 case QEMU_OPTION_trace:
3908 {
3909 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3910 optarg, false);
3911 if (!opts) {
3912 exit(1);
3913 }
3914 trace_events = qemu_opt_get(opts, "events");
3915 trace_file = qemu_opt_get(opts, "file");
3916 break;
3917 }
3918 case QEMU_OPTION_readconfig:
3919 {
3920 int ret = qemu_read_config_file(optarg);
3921 if (ret < 0) {
3922 fprintf(stderr, "read config %s: %s\n", optarg,
3923 strerror(-ret));
3924 exit(1);
3925 }
3926 break;
3927 }
3928 case QEMU_OPTION_spice:
3929 olist = qemu_find_opts("spice");
3930 if (!olist) {
3931 fprintf(stderr, "spice is not supported by this qemu build.\n");
3932 exit(1);
3933 }
3934 opts = qemu_opts_parse_noisily(olist, optarg, false);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 display_remote++;
3939 break;
3940 case QEMU_OPTION_writeconfig:
3941 {
3942 FILE *fp;
3943 if (strcmp(optarg, "-") == 0) {
3944 fp = stdout;
3945 } else {
3946 fp = fopen(optarg, "w");
3947 if (fp == NULL) {
3948 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3949 exit(1);
3950 }
3951 }
3952 qemu_config_write(fp);
3953 if (fp != stdout) {
3954 fclose(fp);
3955 }
3956 break;
3957 }
3958 case QEMU_OPTION_qtest:
3959 qtest_chrdev = optarg;
3960 break;
3961 case QEMU_OPTION_qtest_log:
3962 qtest_log = optarg;
3963 break;
3964 case QEMU_OPTION_sandbox:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3966 optarg, true);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 break;
3971 case QEMU_OPTION_add_fd:
3972 #ifndef _WIN32
3973 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3974 optarg, false);
3975 if (!opts) {
3976 exit(1);
3977 }
3978 #else
3979 error_report("File descriptor passing is disabled on this "
3980 "platform");
3981 exit(1);
3982 #endif
3983 break;
3984 case QEMU_OPTION_object:
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3986 optarg, true);
3987 if (!opts) {
3988 exit(1);
3989 }
3990 break;
3991 case QEMU_OPTION_realtime:
3992 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3993 optarg, false);
3994 if (!opts) {
3995 exit(1);
3996 }
3997 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3998 break;
3999 case QEMU_OPTION_msg:
4000 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4001 false);
4002 if (!opts) {
4003 exit(1);
4004 }
4005 configure_msg(opts);
4006 break;
4007 case QEMU_OPTION_dump_vmstate:
4008 if (vmstate_dump_file) {
4009 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4010 "option may be given\n");
4011 exit(1);
4012 }
4013 vmstate_dump_file = fopen(optarg, "w");
4014 if (vmstate_dump_file == NULL) {
4015 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4016 exit(1);
4017 }
4018 break;
4019 default:
4020 os_parse_cmd_args(popt->index, optarg);
4021 }
4022 }
4023 }
4024
4025 opts = qemu_get_machine_opts();
4026 optarg = qemu_opt_get(opts, "type");
4027 if (optarg) {
4028 machine_class = machine_parse(optarg);
4029 }
4030
4031 if (machine_class == NULL) {
4032 fprintf(stderr, "No machine specified, and there is no default.\n"
4033 "Use -machine help to list supported machines!\n");
4034 exit(1);
4035 }
4036
4037 set_memory_options(&ram_slots, &maxram_size, machine_class);
4038
4039 loc_set_none();
4040
4041 os_daemonize();
4042
4043 if (qemu_init_main_loop(&main_loop_err)) {
4044 error_report_err(main_loop_err);
4045 exit(1);
4046 }
4047
4048 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4049 parse_sandbox, NULL, NULL)) {
4050 exit(1);
4051 }
4052
4053 if (qemu_opts_foreach(qemu_find_opts("name"),
4054 parse_name, NULL, NULL)) {
4055 exit(1);
4056 }
4057
4058 #ifndef _WIN32
4059 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4060 parse_add_fd, NULL, NULL)) {
4061 exit(1);
4062 }
4063
4064 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4065 cleanup_add_fd, NULL, NULL)) {
4066 exit(1);
4067 }
4068 #endif
4069
4070 current_machine = MACHINE(object_new(object_class_get_name(
4071 OBJECT_CLASS(machine_class))));
4072 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4073 exit(0);
4074 }
4075 object_property_add_child(object_get_root(), "machine",
4076 OBJECT(current_machine), &error_abort);
4077 cpu_exec_init_all();
4078
4079 if (machine_class->hw_version) {
4080 qemu_set_version(machine_class->hw_version);
4081 }
4082
4083 /* Init CPU def lists, based on config
4084 * - Must be called after all the qemu_read_config_file() calls
4085 * - Must be called before list_cpus()
4086 * - Must be called before machine->init()
4087 */
4088 cpudef_init();
4089
4090 if (cpu_model && is_help_option(cpu_model)) {
4091 list_cpus(stdout, &fprintf, cpu_model);
4092 exit(0);
4093 }
4094
4095 /* Open the logfile at this point and set the log mask if necessary.
4096 */
4097 if (log_file) {
4098 qemu_set_log_filename(log_file);
4099 }
4100
4101 if (log_mask) {
4102 int mask;
4103 mask = qemu_str_to_log_mask(log_mask);
4104 if (!mask) {
4105 qemu_print_log_usage(stdout);
4106 exit(1);
4107 }
4108 qemu_set_log(mask);
4109 }
4110
4111 if (!is_daemonized()) {
4112 if (!trace_init_backends(trace_events, trace_file)) {
4113 exit(1);
4114 }
4115 }
4116
4117 /* If no data_dir is specified then try to find it relative to the
4118 executable path. */
4119 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4120 data_dir[data_dir_idx] = os_find_datadir();
4121 if (data_dir[data_dir_idx] != NULL) {
4122 data_dir_idx++;
4123 }
4124 }
4125 /* If all else fails use the install path specified when building. */
4126 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4127 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4128 }
4129
4130 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4131
4132 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4133 if (max_cpus > machine_class->max_cpus) {
4134 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4135 "supported by machine `%s' (%d)\n", max_cpus,
4136 machine_class->name, machine_class->max_cpus);
4137 exit(1);
4138 }
4139
4140 /*
4141 * Get the default machine options from the machine if it is not already
4142 * specified either by the configuration file or by the command line.
4143 */
4144 if (machine_class->default_machine_opts) {
4145 qemu_opts_set_defaults(qemu_find_opts("machine"),
4146 machine_class->default_machine_opts, 0);
4147 }
4148
4149 qemu_opts_foreach(qemu_find_opts("device"),
4150 default_driver_check, NULL, NULL);
4151 qemu_opts_foreach(qemu_find_opts("global"),
4152 default_driver_check, NULL, NULL);
4153
4154 if (!vga_model && !default_vga) {
4155 vga_interface_type = VGA_DEVICE;
4156 }
4157 if (!has_defaults || machine_class->no_serial) {
4158 default_serial = 0;
4159 }
4160 if (!has_defaults || machine_class->no_parallel) {
4161 default_parallel = 0;
4162 }
4163 if (!has_defaults || !machine_class->use_virtcon) {
4164 default_virtcon = 0;
4165 }
4166 if (!has_defaults || !machine_class->use_sclp) {
4167 default_sclp = 0;
4168 }
4169 if (!has_defaults || machine_class->no_floppy) {
4170 default_floppy = 0;
4171 }
4172 if (!has_defaults || machine_class->no_cdrom) {
4173 default_cdrom = 0;
4174 }
4175 if (!has_defaults || machine_class->no_sdcard) {
4176 default_sdcard = 0;
4177 }
4178 if (!has_defaults) {
4179 default_monitor = 0;
4180 default_net = 0;
4181 default_vga = 0;
4182 }
4183
4184 if (is_daemonized()) {
4185 /* According to documentation and historically, -nographic redirects
4186 * serial port, parallel port and monitor to stdio, which does not work
4187 * with -daemonize. We can redirect these to null instead, but since
4188 * -nographic is legacy, let's just error out.
4189 * We disallow -nographic only if all other ports are not redirected
4190 * explicitly, to not break existing legacy setups which uses
4191 * -nographic _and_ redirects all ports explicitly - this is valid
4192 * usage, -nographic is just a no-op in this case.
4193 */
4194 if (display_type == DT_NOGRAPHIC
4195 && (default_parallel || default_serial
4196 || default_monitor || default_virtcon)) {
4197 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4198 exit(1);
4199 }
4200 #ifdef CONFIG_CURSES
4201 if (display_type == DT_CURSES) {
4202 fprintf(stderr, "curses display can not be used with -daemonize\n");
4203 exit(1);
4204 }
4205 #endif
4206 }
4207
4208 if (display_type == DT_NOGRAPHIC) {
4209 if (default_parallel)
4210 add_device_config(DEV_PARALLEL, "null");
4211 if (default_serial && default_monitor) {
4212 add_device_config(DEV_SERIAL, "mon:stdio");
4213 } else if (default_virtcon && default_monitor) {
4214 add_device_config(DEV_VIRTCON, "mon:stdio");
4215 } else if (default_sclp && default_monitor) {
4216 add_device_config(DEV_SCLP, "mon:stdio");
4217 } else {
4218 if (default_serial)
4219 add_device_config(DEV_SERIAL, "stdio");
4220 if (default_virtcon)
4221 add_device_config(DEV_VIRTCON, "stdio");
4222 if (default_sclp) {
4223 add_device_config(DEV_SCLP, "stdio");
4224 }
4225 if (default_monitor)
4226 monitor_parse("stdio", "readline", false);
4227 }
4228 } else {
4229 if (default_serial)
4230 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4231 if (default_parallel)
4232 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4233 if (default_monitor)
4234 monitor_parse("vc:80Cx24C", "readline", false);
4235 if (default_virtcon)
4236 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4237 if (default_sclp) {
4238 add_device_config(DEV_SCLP, "vc:80Cx24C");
4239 }
4240 }
4241
4242 #if defined(CONFIG_VNC)
4243 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4244 display_remote++;
4245 }
4246 #endif
4247 if (display_type == DT_DEFAULT && !display_remote) {
4248 #if defined(CONFIG_GTK)
4249 display_type = DT_GTK;
4250 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4251 display_type = DT_SDL;
4252 #elif defined(CONFIG_VNC)
4253 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4254 show_vnc_port = 1;
4255 #else
4256 display_type = DT_NONE;
4257 #endif
4258 }
4259
4260 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4261 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4262 "for SDL, ignoring option\n");
4263 }
4264 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4265 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4266 "ignoring option\n");
4267 }
4268
4269 #if defined(CONFIG_GTK)
4270 if (display_type == DT_GTK) {
4271 early_gtk_display_init(request_opengl);
4272 }
4273 #endif
4274 #if defined(CONFIG_SDL)
4275 if (display_type == DT_SDL) {
4276 sdl_display_early_init(request_opengl);
4277 }
4278 #endif
4279 if (request_opengl == 1 && display_opengl == 0) {
4280 #if defined(CONFIG_OPENGL)
4281 fprintf(stderr, "OpenGL is not supported by the display.\n");
4282 #else
4283 fprintf(stderr, "QEMU was built without opengl support.\n");
4284 #endif
4285 exit(1);
4286 }
4287
4288 socket_init();
4289
4290 if (qemu_opts_foreach(qemu_find_opts("object"),
4291 object_create,
4292 object_create_initial, NULL)) {
4293 exit(1);
4294 }
4295
4296 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4297 chardev_init_func, NULL, NULL)) {
4298 exit(1);
4299 }
4300
4301 #ifdef CONFIG_VIRTFS
4302 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4303 fsdev_init_func, NULL, NULL)) {
4304 exit(1);
4305 }
4306 #endif
4307
4308 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4309 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4310 exit(1);
4311 }
4312
4313 if (qemu_opts_foreach(qemu_find_opts("device"),
4314 device_help_func, NULL, NULL)) {
4315 exit(0);
4316 }
4317
4318 if (qemu_opts_foreach(qemu_find_opts("object"),
4319 object_create,
4320 object_create_delayed, NULL)) {
4321 exit(1);
4322 }
4323
4324 machine_opts = qemu_get_machine_opts();
4325 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4326 NULL)) {
4327 object_unref(OBJECT(current_machine));
4328 exit(1);
4329 }
4330
4331 configure_accelerator(current_machine);
4332
4333 if (qtest_chrdev) {
4334 Error *local_err = NULL;
4335 qtest_init(qtest_chrdev, qtest_log, &local_err);
4336 if (local_err) {
4337 error_report_err(local_err);
4338 exit(1);
4339 }
4340 }
4341
4342 machine_opts = qemu_get_machine_opts();
4343 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4344 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4345 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4346 bios_name = qemu_opt_get(machine_opts, "firmware");
4347
4348 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4349 if (opts) {
4350 Error *local_err = NULL;
4351
4352 boot_order = qemu_opt_get(opts, "order");
4353 if (boot_order) {
4354 validate_bootdevices(boot_order, &local_err);
4355 if (local_err) {
4356 error_report_err(local_err);
4357 exit(1);
4358 }
4359 }
4360
4361 boot_once = qemu_opt_get(opts, "once");
4362 if (boot_once) {
4363 validate_bootdevices(boot_once, &local_err);
4364 if (local_err) {
4365 error_report_err(local_err);
4366 exit(1);
4367 }
4368 }
4369
4370 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4371 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4372 }
4373
4374 if (!boot_order) {
4375 boot_order = machine_class->default_boot_order;
4376 }
4377
4378 if (!kernel_cmdline) {
4379 kernel_cmdline = "";
4380 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4381 }
4382
4383 linux_boot = (kernel_filename != NULL);
4384
4385 if (!linux_boot && *kernel_cmdline != '\0') {
4386 fprintf(stderr, "-append only allowed with -kernel option\n");
4387 exit(1);
4388 }
4389
4390 if (!linux_boot && initrd_filename != NULL) {
4391 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4392 exit(1);
4393 }
4394
4395 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4396 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4397 exit(1);
4398 }
4399
4400 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4401 /* fall back to the -kernel/-append */
4402 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4403 }
4404
4405 os_set_line_buffering();
4406
4407 #ifdef CONFIG_SPICE
4408 /* spice needs the timers to be initialized by this point */
4409 qemu_spice_init();
4410 #endif
4411
4412 cpu_ticks_init();
4413 if (icount_opts) {
4414 if (kvm_enabled() || xen_enabled()) {
4415 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4416 exit(1);
4417 }
4418 configure_icount(icount_opts, &error_abort);
4419 qemu_opts_del(icount_opts);
4420 }
4421
4422 /* clean up network at qemu process termination */
4423 atexit(&net_cleanup);
4424
4425 if (net_init_clients() < 0) {
4426 exit(1);
4427 }
4428
4429 #ifdef CONFIG_TPM
4430 if (tpm_init() < 0) {
4431 exit(1);
4432 }
4433 #endif
4434
4435 /* init the bluetooth world */
4436 if (foreach_device_config(DEV_BT, bt_parse))
4437 exit(1);
4438
4439 if (!xen_enabled()) {
4440 /* On 32-bit hosts, QEMU is limited by virtual address space */
4441 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4442 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4443 exit(1);
4444 }
4445 }
4446
4447 blk_mig_init();
4448 ram_mig_init();
4449
4450 /* If the currently selected machine wishes to override the units-per-bus
4451 * property of its default HBA interface type, do so now. */
4452 if (machine_class->units_per_default_bus) {
4453 override_max_devs(machine_class->block_default_type,
4454 machine_class->units_per_default_bus);
4455 }
4456
4457 /* open the virtual block devices */
4458 if (snapshot)
4459 qemu_opts_foreach(qemu_find_opts("drive"),
4460 drive_enable_snapshot, NULL, NULL);
4461 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4462 &machine_class->block_default_type, NULL)) {
4463 exit(1);
4464 }
4465
4466 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4467 CDROM_OPTS);
4468 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4469 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4470
4471 parse_numa_opts(machine_class);
4472
4473 if (qemu_opts_foreach(qemu_find_opts("mon"),
4474 mon_init_func, NULL, NULL)) {
4475 exit(1);
4476 }
4477
4478 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4479 exit(1);
4480 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4481 exit(1);
4482 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4483 exit(1);
4484 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4485 exit(1);
4486 }
4487 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4488 exit(1);
4489
4490 /* If no default VGA is requested, the default is "none". */
4491 if (default_vga) {
4492 if (machine_class->default_display) {
4493 vga_model = machine_class->default_display;
4494 } else if (cirrus_vga_available()) {
4495 vga_model = "cirrus";
4496 } else if (vga_available()) {
4497 vga_model = "std";
4498 }
4499 }
4500 if (vga_model) {
4501 select_vgahw(vga_model);
4502 }
4503
4504 if (watchdog) {
4505 i = select_watchdog(watchdog);
4506 if (i > 0)
4507 exit (i == 1 ? 1 : 0);
4508 }
4509
4510 if (machine_class->compat_props) {
4511 qdev_prop_register_global_list(machine_class->compat_props);
4512 }
4513 qemu_add_globals();
4514
4515 qdev_machine_init();
4516
4517 current_machine->ram_size = ram_size;
4518 current_machine->maxram_size = maxram_size;
4519 current_machine->ram_slots = ram_slots;
4520 current_machine->boot_order = boot_order;
4521 current_machine->cpu_model = cpu_model;
4522
4523 machine_class->init(current_machine);
4524
4525 realtime_init();
4526
4527 audio_init();
4528
4529 cpu_synchronize_all_post_init();
4530
4531 numa_post_machine_init();
4532
4533 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4534 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4535 exit(1);
4536 }
4537
4538 /* init USB devices */
4539 if (usb_enabled()) {
4540 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4541 exit(1);
4542 }
4543
4544 /* Check if IGD GFX passthrough. */
4545 igd_gfx_passthru();
4546
4547 /* init generic devices */
4548 if (qemu_opts_foreach(qemu_find_opts("device"),
4549 device_init_func, NULL, NULL)) {
4550 exit(1);
4551 }
4552
4553 /* Did we create any drives that we failed to create a device for? */
4554 drive_check_orphaned();
4555
4556 net_check_clients();
4557
4558 if (boot_once) {
4559 Error *local_err = NULL;
4560 qemu_boot_set(boot_once, &local_err);
4561 if (local_err) {
4562 error_report("%s", error_get_pretty(local_err));
4563 exit(1);
4564 }
4565 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4566 }
4567
4568 ds = init_displaystate();
4569
4570 /* init local displays */
4571 switch (display_type) {
4572 case DT_NOGRAPHIC:
4573 (void)ds; /* avoid warning if no display is configured */
4574 break;
4575 #if defined(CONFIG_CURSES)
4576 case DT_CURSES:
4577 curses_display_init(ds, full_screen);
4578 break;
4579 #endif
4580 #if defined(CONFIG_SDL)
4581 case DT_SDL:
4582 sdl_display_init(ds, full_screen, no_frame);
4583 break;
4584 #elif defined(CONFIG_COCOA)
4585 case DT_SDL:
4586 cocoa_display_init(ds, full_screen);
4587 break;
4588 #endif
4589 #if defined(CONFIG_GTK)
4590 case DT_GTK:
4591 gtk_display_init(ds, full_screen, grab_on_hover);
4592 break;
4593 #endif
4594 default:
4595 break;
4596 }
4597
4598 /* must be after terminal init, SDL library changes signal handlers */
4599 os_setup_signal_handling();
4600
4601 #ifdef CONFIG_VNC
4602 /* init remote displays */
4603 qemu_opts_foreach(qemu_find_opts("vnc"),
4604 vnc_init_func, NULL, NULL);
4605 if (show_vnc_port) {
4606 char *ret = vnc_display_local_addr("default");
4607 printf("VNC server running on `%s'\n", ret);
4608 g_free(ret);
4609 }
4610 #endif
4611 #ifdef CONFIG_SPICE
4612 if (using_spice) {
4613 qemu_spice_display_init();
4614 }
4615 #endif
4616
4617 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4618 exit(1);
4619 }
4620
4621 qdev_machine_creation_done();
4622
4623 /* TODO: once all bus devices are qdevified, this should be done
4624 * when bus is created by qdev.c */
4625 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4626 qemu_run_machine_init_done_notifiers();
4627
4628 if (rom_check_and_register_reset() != 0) {
4629 fprintf(stderr, "rom check and register reset failed\n");
4630 exit(1);
4631 }
4632
4633 qemu_system_reset(VMRESET_SILENT);
4634 register_global_state();
4635 if (loadvm) {
4636 if (load_vmstate(loadvm) < 0) {
4637 autostart = 0;
4638 }
4639 }
4640
4641 qdev_prop_check_globals();
4642 if (vmstate_dump_file) {
4643 /* dump and exit */
4644 dump_vmstate_json_to_file(vmstate_dump_file);
4645 return 0;
4646 }
4647
4648 if (incoming) {
4649 Error *local_err = NULL;
4650 qemu_start_incoming_migration(incoming, &local_err);
4651 if (local_err) {
4652 error_report("-incoming %s: %s", incoming,
4653 error_get_pretty(local_err));
4654 error_free(local_err);
4655 exit(1);
4656 }
4657 } else if (autostart) {
4658 vm_start();
4659 }
4660
4661 os_setup_post();
4662
4663 if (is_daemonized()) {
4664 if (!trace_init_backends(trace_events, trace_file)) {
4665 exit(1);
4666 }
4667 }
4668
4669 main_loop();
4670 bdrv_close_all();
4671 pause_all_vcpus();
4672 res_free();
4673 #ifdef CONFIG_TPM
4674 tpm_cleanup();
4675 #endif
4676
4677 return 0;
4678 }
CRIS target port of Qemu