?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
qerror: Clean up QERR_ macros to expand into a single string
[qemu/ar7.git] / vl.c
blob33b0d86fc3af7be14f33f178eb009bc2fde8520c
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/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122 #include "exec/semihost.h"
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 int request_opengl = -1;
133 int display_opengl;
134 static int display_remote;
135 const char* keyboard_layout = NULL;
136 ram_addr_t ram_size;
137 const char *mem_path = NULL;
138 int mem_prealloc = 0; /* force preallocation of physical target memory */
139 bool enable_mlock = false;
140 int nb_nics;
141 NICInfo nd_table[MAX_NICS];
142 int autostart;
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
149 int no_quit = 0;
150 #ifdef CONFIG_GTK
151 static bool grab_on_hover;
152 #endif
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
158 int singlestep = 0;
159 int smp_cpus = 1;
160 int max_cpus = 0;
161 int smp_cores = 1;
162 int smp_threads = 1;
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_trace_opts = {
269 .name = "trace",
270 .implied_opt_name = "trace",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
272 .desc = {
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_semihosting_config_opts = {
481 .name = "semihosting-config",
482 .implied_opt_name = "enable",
483 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
484 .desc = {
485 {
486 .name = "enable",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "target",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "arg",
493 .type = QEMU_OPT_STRING,
494 },
495 { /* end of list */ }
496 },
497 };
498
499 static QemuOptsList qemu_fw_cfg_opts = {
500 .name = "fw_cfg",
501 .implied_opt_name = "name",
502 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
503 .desc = {
504 {
505 .name = "name",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets the fw_cfg name of the blob to be inserted",
508 }, {
509 .name = "file",
510 .type = QEMU_OPT_STRING,
511 .help = "Sets the name of the file from which\n"
512 "the fw_cfg blob will be loaded",
513 },
514 { /* end of list */ }
515 },
516 };
517
518 /**
519 * Get machine options
520 *
521 * Returns: machine options (never null).
522 */
523 QemuOpts *qemu_get_machine_opts(void)
524 {
525 return qemu_find_opts_singleton("machine");
526 }
527
528 const char *qemu_get_vm_name(void)
529 {
530 return qemu_name;
531 }
532
533 static void res_free(void)
534 {
535 if (boot_splash_filedata != NULL) {
536 g_free(boot_splash_filedata);
537 boot_splash_filedata = NULL;
538 }
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_RUNNING },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
577
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
580
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
583
584 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
585 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
591 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
593
594 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
598
599 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
600 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
603 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
605 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
607 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
608 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
609
610 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
611
612 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
613 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
614
615 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
616 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
617 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
618 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
621 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_MAX, RUN_STATE_MAX },
627 };
628
629 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
630
631 bool runstate_check(RunState state)
632 {
633 return current_run_state == state;
634 }
635
636 static void runstate_init(void)
637 {
638 const RunStateTransition *p;
639
640 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
641 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
642 runstate_valid_transitions[p->from][p->to] = true;
643 }
644
645 qemu_mutex_init(&vmstop_lock);
646 }
647
648 /* This function will abort() on invalid state transitions */
649 void runstate_set(RunState new_state)
650 {
651 assert(new_state < RUN_STATE_MAX);
652
653 if (!runstate_valid_transitions[current_run_state][new_state]) {
654 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
655 RunState_lookup[current_run_state],
656 RunState_lookup[new_state]);
657 abort();
658 }
659 trace_runstate_set(new_state);
660 current_run_state = new_state;
661 }
662
663 int runstate_is_running(void)
664 {
665 return runstate_check(RUN_STATE_RUNNING);
666 }
667
668 bool runstate_needs_reset(void)
669 {
670 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
671 runstate_check(RUN_STATE_SHUTDOWN);
672 }
673
674 StatusInfo *qmp_query_status(Error **errp)
675 {
676 StatusInfo *info = g_malloc0(sizeof(*info));
677
678 info->running = runstate_is_running();
679 info->singlestep = singlestep;
680 info->status = current_run_state;
681
682 return info;
683 }
684
685 static bool qemu_vmstop_requested(RunState *r)
686 {
687 qemu_mutex_lock(&vmstop_lock);
688 *r = vmstop_requested;
689 vmstop_requested = RUN_STATE_MAX;
690 qemu_mutex_unlock(&vmstop_lock);
691 return *r < RUN_STATE_MAX;
692 }
693
694 void qemu_system_vmstop_request_prepare(void)
695 {
696 qemu_mutex_lock(&vmstop_lock);
697 }
698
699 void qemu_system_vmstop_request(RunState state)
700 {
701 vmstop_requested = state;
702 qemu_mutex_unlock(&vmstop_lock);
703 qemu_notify_event();
704 }
705
706 void vm_start(void)
707 {
708 RunState requested;
709
710 qemu_vmstop_requested(&requested);
711 if (runstate_is_running() && requested == RUN_STATE_MAX) {
712 return;
713 }
714
715 /* Ensure that a STOP/RESUME pair of events is emitted if a
716 * vmstop request was pending. The BLOCK_IO_ERROR event, for
717 * example, according to documentation is always followed by
718 * the STOP event.
719 */
720 if (runstate_is_running()) {
721 qapi_event_send_stop(&error_abort);
722 } else {
723 cpu_enable_ticks();
724 runstate_set(RUN_STATE_RUNNING);
725 vm_state_notify(1, RUN_STATE_RUNNING);
726 resume_all_vcpus();
727 }
728
729 qapi_event_send_resume(&error_abort);
730 }
731
732
733 /***********************************************************/
734 /* real time host monotonic timer */
735
736 static time_t qemu_time(void)
737 {
738 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
739 }
740
741 /***********************************************************/
742 /* host time/date access */
743 void qemu_get_timedate(struct tm *tm, int offset)
744 {
745 time_t ti = qemu_time();
746
747 ti += offset;
748 if (rtc_date_offset == -1) {
749 if (rtc_utc)
750 gmtime_r(&ti, tm);
751 else
752 localtime_r(&ti, tm);
753 } else {
754 ti -= rtc_date_offset;
755 gmtime_r(&ti, tm);
756 }
757 }
758
759 int qemu_timedate_diff(struct tm *tm)
760 {
761 time_t seconds;
762
763 if (rtc_date_offset == -1)
764 if (rtc_utc)
765 seconds = mktimegm(tm);
766 else {
767 struct tm tmp = *tm;
768 tmp.tm_isdst = -1; /* use timezone to figure it out */
769 seconds = mktime(&tmp);
770 }
771 else
772 seconds = mktimegm(tm) + rtc_date_offset;
773
774 return seconds - qemu_time();
775 }
776
777 static void configure_rtc_date_offset(const char *startdate, int legacy)
778 {
779 time_t rtc_start_date;
780 struct tm tm;
781
782 if (!strcmp(startdate, "now") && legacy) {
783 rtc_date_offset = -1;
784 } else {
785 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
786 &tm.tm_year,
787 &tm.tm_mon,
788 &tm.tm_mday,
789 &tm.tm_hour,
790 &tm.tm_min,
791 &tm.tm_sec) == 6) {
792 /* OK */
793 } else if (sscanf(startdate, "%d-%d-%d",
794 &tm.tm_year,
795 &tm.tm_mon,
796 &tm.tm_mday) == 3) {
797 tm.tm_hour = 0;
798 tm.tm_min = 0;
799 tm.tm_sec = 0;
800 } else {
801 goto date_fail;
802 }
803 tm.tm_year -= 1900;
804 tm.tm_mon--;
805 rtc_start_date = mktimegm(&tm);
806 if (rtc_start_date == -1) {
807 date_fail:
808 fprintf(stderr, "Invalid date format. Valid formats are:\n"
809 "'2006-06-17T16:01:21' or '2006-06-17'\n");
810 exit(1);
811 }
812 rtc_date_offset = qemu_time() - rtc_start_date;
813 }
814 }
815
816 static void configure_rtc(QemuOpts *opts)
817 {
818 const char *value;
819
820 value = qemu_opt_get(opts, "base");
821 if (value) {
822 if (!strcmp(value, "utc")) {
823 rtc_utc = 1;
824 } else if (!strcmp(value, "localtime")) {
825 rtc_utc = 0;
826 } else {
827 configure_rtc_date_offset(value, 0);
828 }
829 }
830 value = qemu_opt_get(opts, "clock");
831 if (value) {
832 if (!strcmp(value, "host")) {
833 rtc_clock = QEMU_CLOCK_HOST;
834 } else if (!strcmp(value, "rt")) {
835 rtc_clock = QEMU_CLOCK_REALTIME;
836 } else if (!strcmp(value, "vm")) {
837 rtc_clock = QEMU_CLOCK_VIRTUAL;
838 } else {
839 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
840 exit(1);
841 }
842 }
843 value = qemu_opt_get(opts, "driftfix");
844 if (value) {
845 if (!strcmp(value, "slew")) {
846 static GlobalProperty slew_lost_ticks[] = {
847 {
848 .driver = "mc146818rtc",
849 .property = "lost_tick_policy",
850 .value = "slew",
851 },
852 { /* end of list */ }
853 };
854
855 qdev_prop_register_global_list(slew_lost_ticks);
856 } else if (!strcmp(value, "none")) {
857 /* discard is default */
858 } else {
859 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
860 exit(1);
861 }
862 }
863 }
864
865 /***********************************************************/
866 /* Bluetooth support */
867 static int nb_hcis;
868 static int cur_hci;
869 static struct HCIInfo *hci_table[MAX_NICS];
870
871 struct HCIInfo *qemu_next_hci(void)
872 {
873 if (cur_hci == nb_hcis)
874 return &null_hci;
875
876 return hci_table[cur_hci++];
877 }
878
879 static int bt_hci_parse(const char *str)
880 {
881 struct HCIInfo *hci;
882 bdaddr_t bdaddr;
883
884 if (nb_hcis >= MAX_NICS) {
885 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
886 return -1;
887 }
888
889 hci = hci_init(str);
890 if (!hci)
891 return -1;
892
893 bdaddr.b[0] = 0x52;
894 bdaddr.b[1] = 0x54;
895 bdaddr.b[2] = 0x00;
896 bdaddr.b[3] = 0x12;
897 bdaddr.b[4] = 0x34;
898 bdaddr.b[5] = 0x56 + nb_hcis;
899 hci->bdaddr_set(hci, bdaddr.b);
900
901 hci_table[nb_hcis++] = hci;
902
903 return 0;
904 }
905
906 static void bt_vhci_add(int vlan_id)
907 {
908 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
909
910 if (!vlan->slave)
911 fprintf(stderr, "qemu: warning: adding a VHCI to "
912 "an empty scatternet %i\n", vlan_id);
913
914 bt_vhci_init(bt_new_hci(vlan));
915 }
916
917 static struct bt_device_s *bt_device_add(const char *opt)
918 {
919 struct bt_scatternet_s *vlan;
920 int vlan_id = 0;
921 char *endp = strstr(opt, ",vlan=");
922 int len = (endp ? endp - opt : strlen(opt)) + 1;
923 char devname[10];
924
925 pstrcpy(devname, MIN(sizeof(devname), len), opt);
926
927 if (endp) {
928 vlan_id = strtol(endp + 6, &endp, 0);
929 if (*endp) {
930 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
931 return 0;
932 }
933 }
934
935 vlan = qemu_find_bt_vlan(vlan_id);
936
937 if (!vlan->slave)
938 fprintf(stderr, "qemu: warning: adding a slave device to "
939 "an empty scatternet %i\n", vlan_id);
940
941 if (!strcmp(devname, "keyboard"))
942 return bt_keyboard_init(vlan);
943
944 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
945 return 0;
946 }
947
948 static int bt_parse(const char *opt)
949 {
950 const char *endp, *p;
951 int vlan;
952
953 if (strstart(opt, "hci", &endp)) {
954 if (!*endp || *endp == ',') {
955 if (*endp)
956 if (!strstart(endp, ",vlan=", 0))
957 opt = endp + 1;
958
959 return bt_hci_parse(opt);
960 }
961 } else if (strstart(opt, "vhci", &endp)) {
962 if (!*endp || *endp == ',') {
963 if (*endp) {
964 if (strstart(endp, ",vlan=", &p)) {
965 vlan = strtol(p, (char **) &endp, 0);
966 if (*endp) {
967 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
968 return 1;
969 }
970 } else {
971 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
972 return 1;
973 }
974 } else
975 vlan = 0;
976
977 bt_vhci_add(vlan);
978 return 0;
979 }
980 } else if (strstart(opt, "device:", &endp))
981 return !bt_device_add(endp);
982
983 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
984 return 1;
985 }
986
987 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
988 {
989 /* FIXME: change this to true for 1.3 */
990 if (qemu_opt_get_bool(opts, "enable", false)) {
991 #ifdef CONFIG_SECCOMP
992 if (seccomp_start() < 0) {
993 error_report("failed to install seccomp syscall filter "
994 "in the kernel");
995 return -1;
996 }
997 #else
998 error_report("sandboxing request but seccomp is not compiled "
999 "into this build");
1000 return -1;
1001 #endif
1002 }
1003
1004 return 0;
1005 }
1006
1007 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1008 {
1009 const char *proc_name;
1010
1011 if (qemu_opt_get(opts, "debug-threads")) {
1012 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1013 }
1014 qemu_name = qemu_opt_get(opts, "guest");
1015
1016 proc_name = qemu_opt_get(opts, "process");
1017 if (proc_name) {
1018 os_set_proc_name(proc_name);
1019 }
1020
1021 return 0;
1022 }
1023
1024 bool defaults_enabled(void)
1025 {
1026 return has_defaults;
1027 }
1028
1029 bool usb_enabled(void)
1030 {
1031 return machine_usb(current_machine);
1032 }
1033
1034 #ifndef _WIN32
1035 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1036 {
1037 int fd, dupfd, flags;
1038 int64_t fdset_id;
1039 const char *fd_opaque = NULL;
1040 AddfdInfo *fdinfo;
1041
1042 fd = qemu_opt_get_number(opts, "fd", -1);
1043 fdset_id = qemu_opt_get_number(opts, "set", -1);
1044 fd_opaque = qemu_opt_get(opts, "opaque");
1045
1046 if (fd < 0) {
1047 error_report("fd option is required and must be non-negative");
1048 return -1;
1049 }
1050
1051 if (fd <= STDERR_FILENO) {
1052 error_report("fd cannot be a standard I/O stream");
1053 return -1;
1054 }
1055
1056 /*
1057 * All fds inherited across exec() necessarily have FD_CLOEXEC
1058 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1059 */
1060 flags = fcntl(fd, F_GETFD);
1061 if (flags == -1 || (flags & FD_CLOEXEC)) {
1062 error_report("fd is not valid or already in use");
1063 return -1;
1064 }
1065
1066 if (fdset_id < 0) {
1067 error_report("set option is required and must be non-negative");
1068 return -1;
1069 }
1070
1071 #ifdef F_DUPFD_CLOEXEC
1072 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1073 #else
1074 dupfd = dup(fd);
1075 if (dupfd != -1) {
1076 qemu_set_cloexec(dupfd);
1077 }
1078 #endif
1079 if (dupfd == -1) {
1080 error_report("Error duplicating fd: %s", strerror(errno));
1081 return -1;
1082 }
1083
1084 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1085 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1086 &error_abort);
1087 g_free(fdinfo);
1088
1089 return 0;
1090 }
1091
1092 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1093 {
1094 int fd;
1095
1096 fd = qemu_opt_get_number(opts, "fd", -1);
1097 close(fd);
1098
1099 return 0;
1100 }
1101 #endif
1102
1103 /***********************************************************/
1104 /* QEMU Block devices */
1105
1106 #define HD_OPTS "media=disk"
1107 #define CDROM_OPTS "media=cdrom"
1108 #define FD_OPTS ""
1109 #define PFLASH_OPTS ""
1110 #define MTD_OPTS ""
1111 #define SD_OPTS ""
1112
1113 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1114 {
1115 BlockInterfaceType *block_default_type = opaque;
1116
1117 return drive_new(opts, *block_default_type) == NULL;
1118 }
1119
1120 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1121 {
1122 if (qemu_opt_get(opts, "snapshot") == NULL) {
1123 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1124 }
1125 return 0;
1126 }
1127
1128 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1129 int index, const char *optstr)
1130 {
1131 QemuOpts *opts;
1132 DriveInfo *dinfo;
1133
1134 if (!enable || drive_get_by_index(type, index)) {
1135 return;
1136 }
1137
1138 opts = drive_add(type, index, NULL, optstr);
1139 if (snapshot) {
1140 drive_enable_snapshot(NULL, opts, NULL);
1141 }
1142
1143 dinfo = drive_new(opts, type);
1144 if (!dinfo) {
1145 exit(1);
1146 }
1147 dinfo->is_default = true;
1148
1149 }
1150
1151 static QemuOptsList qemu_smp_opts = {
1152 .name = "smp-opts",
1153 .implied_opt_name = "cpus",
1154 .merge_lists = true,
1155 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1156 .desc = {
1157 {
1158 .name = "cpus",
1159 .type = QEMU_OPT_NUMBER,
1160 }, {
1161 .name = "sockets",
1162 .type = QEMU_OPT_NUMBER,
1163 }, {
1164 .name = "cores",
1165 .type = QEMU_OPT_NUMBER,
1166 }, {
1167 .name = "threads",
1168 .type = QEMU_OPT_NUMBER,
1169 }, {
1170 .name = "maxcpus",
1171 .type = QEMU_OPT_NUMBER,
1172 },
1173 { /*End of list */ }
1174 },
1175 };
1176
1177 static void smp_parse(QemuOpts *opts)
1178 {
1179 if (opts) {
1180
1181 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1182 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1183 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1184 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1185
1186 /* compute missing values, prefer sockets over cores over threads */
1187 if (cpus == 0 || sockets == 0) {
1188 sockets = sockets > 0 ? sockets : 1;
1189 cores = cores > 0 ? cores : 1;
1190 threads = threads > 0 ? threads : 1;
1191 if (cpus == 0) {
1192 cpus = cores * threads * sockets;
1193 }
1194 } else if (cores == 0) {
1195 threads = threads > 0 ? threads : 1;
1196 cores = cpus / (sockets * threads);
1197 } else if (threads == 0) {
1198 threads = cpus / (cores * sockets);
1199 } else if (sockets * cores * threads < cpus) {
1200 fprintf(stderr, "cpu topology: error: "
1201 "sockets (%u) * cores (%u) * threads (%u) < "
1202 "smp_cpus (%u)\n",
1203 sockets, cores, threads, cpus);
1204 exit(1);
1205 }
1206
1207 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1208
1209 smp_cpus = cpus;
1210 smp_cores = cores > 0 ? cores : 1;
1211 smp_threads = threads > 0 ? threads : 1;
1212
1213 }
1214
1215 if (max_cpus == 0) {
1216 max_cpus = smp_cpus;
1217 }
1218
1219 if (max_cpus > MAX_CPUMASK_BITS) {
1220 fprintf(stderr, "Unsupported number of maxcpus\n");
1221 exit(1);
1222 }
1223 if (max_cpus < smp_cpus) {
1224 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1225 exit(1);
1226 }
1227
1228 }
1229
1230 static void realtime_init(void)
1231 {
1232 if (enable_mlock) {
1233 if (os_mlock() < 0) {
1234 fprintf(stderr, "qemu: locking memory failed\n");
1235 exit(1);
1236 }
1237 }
1238 }
1239
1240
1241 static void configure_msg(QemuOpts *opts)
1242 {
1243 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1244 }
1245
1246 /***********************************************************/
1247 /* Semihosting */
1248
1249 typedef struct SemihostingConfig {
1250 bool enabled;
1251 SemihostingTarget target;
1252 const char **argv;
1253 int argc;
1254 const char *cmdline; /* concatenated argv */
1255 } SemihostingConfig;
1256
1257 static SemihostingConfig semihosting;
1258
1259 bool semihosting_enabled(void)
1260 {
1261 return semihosting.enabled;
1262 }
1263
1264 SemihostingTarget semihosting_get_target(void)
1265 {
1266 return semihosting.target;
1267 }
1268
1269 const char *semihosting_get_arg(int i)
1270 {
1271 if (i >= semihosting.argc) {
1272 return NULL;
1273 }
1274 return semihosting.argv[i];
1275 }
1276
1277 int semihosting_get_argc(void)
1278 {
1279 return semihosting.argc;
1280 }
1281
1282 const char *semihosting_get_cmdline(void)
1283 {
1284 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1285 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1286 }
1287 return semihosting.cmdline;
1288 }
1289
1290 static int add_semihosting_arg(void *opaque,
1291 const char *name, const char *val,
1292 Error **errp)
1293 {
1294 SemihostingConfig *s = opaque;
1295 if (strcmp(name, "arg") == 0) {
1296 s->argc++;
1297 /* one extra element as g_strjoinv() expects NULL-terminated array */
1298 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1299 s->argv[s->argc - 1] = val;
1300 s->argv[s->argc] = NULL;
1301 }
1302 return 0;
1303 }
1304
1305 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1306 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1307 {
1308 char *cmd_token;
1309
1310 /* argv[0] */
1311 add_semihosting_arg(&semihosting, "arg", file, NULL);
1312
1313 /* split -append and initialize argv[1..n] */
1314 cmd_token = strtok(g_strdup(cmd), " ");
1315 while (cmd_token) {
1316 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1317 cmd_token = strtok(NULL, " ");
1318 }
1319 }
1320
1321 /***********************************************************/
1322 /* USB devices */
1323
1324 static int usb_device_add(const char *devname)
1325 {
1326 USBDevice *dev = NULL;
1327 #ifndef CONFIG_LINUX
1328 const char *p;
1329 #endif
1330
1331 if (!usb_enabled()) {
1332 return -1;
1333 }
1334
1335 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1336 dev = usbdevice_create(devname);
1337 if (dev)
1338 goto done;
1339
1340 /* the other ones */
1341 #ifndef CONFIG_LINUX
1342 /* only the linux version is qdev-ified, usb-bsd still needs this */
1343 if (strstart(devname, "host:", &p)) {
1344 dev = usb_host_device_open(usb_bus_find(-1), p);
1345 }
1346 #endif
1347 if (!dev)
1348 return -1;
1349
1350 done:
1351 return 0;
1352 }
1353
1354 static int usb_device_del(const char *devname)
1355 {
1356 int bus_num, addr;
1357 const char *p;
1358
1359 if (strstart(devname, "host:", &p)) {
1360 return -1;
1361 }
1362
1363 if (!usb_enabled()) {
1364 return -1;
1365 }
1366
1367 p = strchr(devname, '.');
1368 if (!p)
1369 return -1;
1370 bus_num = strtoul(devname, NULL, 0);
1371 addr = strtoul(p + 1, NULL, 0);
1372
1373 return usb_device_delete_addr(bus_num, addr);
1374 }
1375
1376 static int usb_parse(const char *cmdline)
1377 {
1378 int r;
1379 r = usb_device_add(cmdline);
1380 if (r < 0) {
1381 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1382 }
1383 return r;
1384 }
1385
1386 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1387 {
1388 const char *devname = qdict_get_str(qdict, "devname");
1389 if (usb_device_add(devname) < 0) {
1390 error_report("could not add USB device '%s'", devname);
1391 }
1392 }
1393
1394 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1395 {
1396 const char *devname = qdict_get_str(qdict, "devname");
1397 if (usb_device_del(devname) < 0) {
1398 error_report("could not delete USB device '%s'", devname);
1399 }
1400 }
1401
1402 /***********************************************************/
1403 /* machine registration */
1404
1405 MachineState *current_machine;
1406
1407 /*
1408 * Transitional class registration/init used for converting from
1409 * legacy QEMUMachine to MachineClass.
1410 */
1411 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1412 {
1413 MachineClass *mc = MACHINE_CLASS(oc);
1414 QEMUMachine *qm = data;
1415 mc->name = qm->name;
1416 mc->desc = qm->desc;
1417 mc->init = qm->init;
1418 mc->kvm_type = qm->kvm_type;
1419 mc->block_default_type = qm->block_default_type;
1420 mc->max_cpus = qm->max_cpus;
1421 mc->no_sdcard = qm->no_sdcard;
1422 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1423 mc->is_default = qm->is_default;
1424 mc->default_machine_opts = qm->default_machine_opts;
1425 mc->default_boot_order = qm->default_boot_order;
1426 }
1427
1428 int qemu_register_machine(QEMUMachine *m)
1429 {
1430 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1431 TypeInfo ti = {
1432 .name = name,
1433 .parent = TYPE_MACHINE,
1434 .class_init = qemu_machine_class_init,
1435 .class_data = (void *)m,
1436 };
1437
1438 type_register(&ti);
1439 g_free(name);
1440
1441 return 0;
1442 }
1443
1444 static MachineClass *find_machine(const char *name)
1445 {
1446 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1447 MachineClass *mc = NULL;
1448
1449 for (el = machines; el; el = el->next) {
1450 MachineClass *temp = el->data;
1451
1452 if (!strcmp(temp->name, name)) {
1453 mc = temp;
1454 break;
1455 }
1456 if (temp->alias &&
1457 !strcmp(temp->alias, name)) {
1458 mc = temp;
1459 break;
1460 }
1461 }
1462
1463 g_slist_free(machines);
1464 return mc;
1465 }
1466
1467 MachineClass *find_default_machine(void)
1468 {
1469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1470 MachineClass *mc = NULL;
1471
1472 for (el = machines; el; el = el->next) {
1473 MachineClass *temp = el->data;
1474
1475 if (temp->is_default) {
1476 mc = temp;
1477 break;
1478 }
1479 }
1480
1481 g_slist_free(machines);
1482 return mc;
1483 }
1484
1485 MachineInfoList *qmp_query_machines(Error **errp)
1486 {
1487 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1488 MachineInfoList *mach_list = NULL;
1489
1490 for (el = machines; el; el = el->next) {
1491 MachineClass *mc = el->data;
1492 MachineInfoList *entry;
1493 MachineInfo *info;
1494
1495 info = g_malloc0(sizeof(*info));
1496 if (mc->is_default) {
1497 info->has_is_default = true;
1498 info->is_default = true;
1499 }
1500
1501 if (mc->alias) {
1502 info->has_alias = true;
1503 info->alias = g_strdup(mc->alias);
1504 }
1505
1506 info->name = g_strdup(mc->name);
1507 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1508
1509 entry = g_malloc0(sizeof(*entry));
1510 entry->value = info;
1511 entry->next = mach_list;
1512 mach_list = entry;
1513 }
1514
1515 g_slist_free(machines);
1516 return mach_list;
1517 }
1518
1519 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1520 {
1521 ObjectProperty *prop;
1522
1523 if (!qemu_opt_has_help_opt(opts)) {
1524 return 0;
1525 }
1526
1527 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1528 if (!prop->set) {
1529 continue;
1530 }
1531
1532 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1533 prop->name, prop->type);
1534 if (prop->description) {
1535 error_printf(" (%s)\n", prop->description);
1536 } else {
1537 error_printf("\n");
1538 }
1539 }
1540
1541 return 1;
1542 }
1543
1544 /***********************************************************/
1545 /* main execution loop */
1546
1547 struct vm_change_state_entry {
1548 VMChangeStateHandler *cb;
1549 void *opaque;
1550 QLIST_ENTRY (vm_change_state_entry) entries;
1551 };
1552
1553 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1554
1555 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1556 void *opaque)
1557 {
1558 VMChangeStateEntry *e;
1559
1560 e = g_malloc0(sizeof (*e));
1561
1562 e->cb = cb;
1563 e->opaque = opaque;
1564 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1565 return e;
1566 }
1567
1568 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1569 {
1570 QLIST_REMOVE (e, entries);
1571 g_free (e);
1572 }
1573
1574 void vm_state_notify(int running, RunState state)
1575 {
1576 VMChangeStateEntry *e, *next;
1577
1578 trace_vm_state_notify(running, state);
1579
1580 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1581 e->cb(e->opaque, running, state);
1582 }
1583 }
1584
1585 /* reset/shutdown handler */
1586
1587 typedef struct QEMUResetEntry {
1588 QTAILQ_ENTRY(QEMUResetEntry) entry;
1589 QEMUResetHandler *func;
1590 void *opaque;
1591 } QEMUResetEntry;
1592
1593 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1594 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1595 static int reset_requested;
1596 static int shutdown_requested, shutdown_signal = -1;
1597 static pid_t shutdown_pid;
1598 static int powerdown_requested;
1599 static int debug_requested;
1600 static int suspend_requested;
1601 static WakeupReason wakeup_reason;
1602 static NotifierList powerdown_notifiers =
1603 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1604 static NotifierList suspend_notifiers =
1605 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1606 static NotifierList wakeup_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1608 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1609
1610 int qemu_shutdown_requested_get(void)
1611 {
1612 return shutdown_requested;
1613 }
1614
1615 int qemu_reset_requested_get(void)
1616 {
1617 return reset_requested;
1618 }
1619
1620 static int qemu_shutdown_requested(void)
1621 {
1622 return atomic_xchg(&shutdown_requested, 0);
1623 }
1624
1625 static void qemu_kill_report(void)
1626 {
1627 if (!qtest_driver() && shutdown_signal != -1) {
1628 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1629 if (shutdown_pid == 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1632 */
1633 fputc('\n', stderr);
1634 } else {
1635 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1636 }
1637 shutdown_signal = -1;
1638 }
1639 }
1640
1641 static int qemu_reset_requested(void)
1642 {
1643 int r = reset_requested;
1644 reset_requested = 0;
1645 return r;
1646 }
1647
1648 static int qemu_suspend_requested(void)
1649 {
1650 int r = suspend_requested;
1651 suspend_requested = 0;
1652 return r;
1653 }
1654
1655 static WakeupReason qemu_wakeup_requested(void)
1656 {
1657 return wakeup_reason;
1658 }
1659
1660 static int qemu_powerdown_requested(void)
1661 {
1662 int r = powerdown_requested;
1663 powerdown_requested = 0;
1664 return r;
1665 }
1666
1667 static int qemu_debug_requested(void)
1668 {
1669 int r = debug_requested;
1670 debug_requested = 0;
1671 return r;
1672 }
1673
1674 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1675 {
1676 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1677
1678 re->func = func;
1679 re->opaque = opaque;
1680 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1681 }
1682
1683 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1684 {
1685 QEMUResetEntry *re;
1686
1687 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1688 if (re->func == func && re->opaque == opaque) {
1689 QTAILQ_REMOVE(&reset_handlers, re, entry);
1690 g_free(re);
1691 return;
1692 }
1693 }
1694 }
1695
1696 void qemu_devices_reset(void)
1697 {
1698 QEMUResetEntry *re, *nre;
1699
1700 /* reset all devices */
1701 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1702 re->func(re->opaque);
1703 }
1704 }
1705
1706 void qemu_system_reset(bool report)
1707 {
1708 MachineClass *mc;
1709
1710 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1711
1712 if (mc && mc->reset) {
1713 mc->reset();
1714 } else {
1715 qemu_devices_reset();
1716 }
1717 if (report) {
1718 qapi_event_send_reset(&error_abort);
1719 }
1720 cpu_synchronize_all_post_reset();
1721 }
1722
1723 void qemu_system_reset_request(void)
1724 {
1725 if (no_reboot) {
1726 shutdown_requested = 1;
1727 } else {
1728 reset_requested = 1;
1729 }
1730 cpu_stop_current();
1731 qemu_notify_event();
1732 }
1733
1734 static void qemu_system_suspend(void)
1735 {
1736 pause_all_vcpus();
1737 notifier_list_notify(&suspend_notifiers, NULL);
1738 runstate_set(RUN_STATE_SUSPENDED);
1739 qapi_event_send_suspend(&error_abort);
1740 }
1741
1742 void qemu_system_suspend_request(void)
1743 {
1744 if (runstate_check(RUN_STATE_SUSPENDED)) {
1745 return;
1746 }
1747 suspend_requested = 1;
1748 cpu_stop_current();
1749 qemu_notify_event();
1750 }
1751
1752 void qemu_register_suspend_notifier(Notifier *notifier)
1753 {
1754 notifier_list_add(&suspend_notifiers, notifier);
1755 }
1756
1757 void qemu_system_wakeup_request(WakeupReason reason)
1758 {
1759 trace_system_wakeup_request(reason);
1760
1761 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_system_killed(int signal, pid_t pid)
1787 {
1788 shutdown_signal = signal;
1789 shutdown_pid = pid;
1790 no_shutdown = 0;
1791 qemu_system_shutdown_request();
1792 }
1793
1794 void qemu_system_shutdown_request(void)
1795 {
1796 trace_qemu_system_shutdown_request();
1797 shutdown_requested = 1;
1798 qemu_notify_event();
1799 }
1800
1801 static void qemu_system_powerdown(void)
1802 {
1803 qapi_event_send_powerdown(&error_abort);
1804 notifier_list_notify(&powerdown_notifiers, NULL);
1805 }
1806
1807 void qemu_system_powerdown_request(void)
1808 {
1809 trace_qemu_system_powerdown_request();
1810 powerdown_requested = 1;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_register_powerdown_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&powerdown_notifiers, notifier);
1817 }
1818
1819 void qemu_system_debug_request(void)
1820 {
1821 debug_requested = 1;
1822 qemu_notify_event();
1823 }
1824
1825 static bool main_loop_should_exit(void)
1826 {
1827 RunState r;
1828 if (qemu_debug_requested()) {
1829 vm_stop(RUN_STATE_DEBUG);
1830 }
1831 if (qemu_suspend_requested()) {
1832 qemu_system_suspend();
1833 }
1834 if (qemu_shutdown_requested()) {
1835 qemu_kill_report();
1836 qapi_event_send_shutdown(&error_abort);
1837 if (no_shutdown) {
1838 vm_stop(RUN_STATE_SHUTDOWN);
1839 } else {
1840 return true;
1841 }
1842 }
1843 if (qemu_reset_requested()) {
1844 pause_all_vcpus();
1845 cpu_synchronize_all_states();
1846 qemu_system_reset(VMRESET_REPORT);
1847 resume_all_vcpus();
1848 if (runstate_needs_reset()) {
1849 runstate_set(RUN_STATE_PAUSED);
1850 }
1851 }
1852 if (qemu_wakeup_requested()) {
1853 pause_all_vcpus();
1854 cpu_synchronize_all_states();
1855 qemu_system_reset(VMRESET_SILENT);
1856 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1857 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1858 resume_all_vcpus();
1859 qapi_event_send_wakeup(&error_abort);
1860 }
1861 if (qemu_powerdown_requested()) {
1862 qemu_system_powerdown();
1863 }
1864 if (qemu_vmstop_requested(&r)) {
1865 vm_stop(r);
1866 }
1867 return false;
1868 }
1869
1870 static void main_loop(void)
1871 {
1872 bool nonblocking;
1873 int last_io = 0;
1874 #ifdef CONFIG_PROFILER
1875 int64_t ti;
1876 #endif
1877 do {
1878 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1879 #ifdef CONFIG_PROFILER
1880 ti = profile_getclock();
1881 #endif
1882 last_io = main_loop_wait(nonblocking);
1883 #ifdef CONFIG_PROFILER
1884 dev_time += profile_getclock() - ti;
1885 #endif
1886 } while (!main_loop_should_exit());
1887 }
1888
1889 static void version(void)
1890 {
1891 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1892 }
1893
1894 static void help(int exitcode)
1895 {
1896 version();
1897 printf("usage: %s [options] [disk_image]\n\n"
1898 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1899 error_get_progname());
1900
1901 #define QEMU_OPTIONS_GENERATE_HELP
1902 #include "qemu-options-wrapper.h"
1903
1904 printf("\nDuring emulation, the following keys are useful:\n"
1905 "ctrl-alt-f toggle full screen\n"
1906 "ctrl-alt-n switch to virtual console 'n'\n"
1907 "ctrl-alt toggle mouse and keyboard grab\n"
1908 "\n"
1909 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1910
1911 exit(exitcode);
1912 }
1913
1914 #define HAS_ARG 0x0001
1915
1916 typedef struct QEMUOption {
1917 const char *name;
1918 int flags;
1919 int index;
1920 uint32_t arch_mask;
1921 } QEMUOption;
1922
1923 static const QEMUOption qemu_options[] = {
1924 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1925 #define QEMU_OPTIONS_GENERATE_OPTIONS
1926 #include "qemu-options-wrapper.h"
1927 { NULL },
1928 };
1929
1930 static bool vga_available(void)
1931 {
1932 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1933 }
1934
1935 static bool cirrus_vga_available(void)
1936 {
1937 return object_class_by_name("cirrus-vga")
1938 || object_class_by_name("isa-cirrus-vga");
1939 }
1940
1941 static bool vmware_vga_available(void)
1942 {
1943 return object_class_by_name("vmware-svga");
1944 }
1945
1946 static bool qxl_vga_available(void)
1947 {
1948 return object_class_by_name("qxl-vga");
1949 }
1950
1951 static bool tcx_vga_available(void)
1952 {
1953 return object_class_by_name("SUNW,tcx");
1954 }
1955
1956 static bool cg3_vga_available(void)
1957 {
1958 return object_class_by_name("cgthree");
1959 }
1960
1961 static bool virtio_vga_available(void)
1962 {
1963 return object_class_by_name("virtio-vga");
1964 }
1965
1966 static void select_vgahw (const char *p)
1967 {
1968 const char *opts;
1969
1970 assert(vga_interface_type == VGA_NONE);
1971 if (strstart(p, "std", &opts)) {
1972 if (vga_available()) {
1973 vga_interface_type = VGA_STD;
1974 } else {
1975 fprintf(stderr, "Error: standard VGA not available\n");
1976 exit(0);
1977 }
1978 } else if (strstart(p, "cirrus", &opts)) {
1979 if (cirrus_vga_available()) {
1980 vga_interface_type = VGA_CIRRUS;
1981 } else {
1982 fprintf(stderr, "Error: Cirrus VGA not available\n");
1983 exit(0);
1984 }
1985 } else if (strstart(p, "vmware", &opts)) {
1986 if (vmware_vga_available()) {
1987 vga_interface_type = VGA_VMWARE;
1988 } else {
1989 fprintf(stderr, "Error: VMWare SVGA not available\n");
1990 exit(0);
1991 }
1992 } else if (strstart(p, "virtio", &opts)) {
1993 if (virtio_vga_available()) {
1994 vga_interface_type = VGA_VIRTIO;
1995 } else {
1996 fprintf(stderr, "Error: Virtio VGA not available\n");
1997 exit(0);
1998 }
1999 } else if (strstart(p, "xenfb", &opts)) {
2000 vga_interface_type = VGA_XENFB;
2001 } else if (strstart(p, "qxl", &opts)) {
2002 if (qxl_vga_available()) {
2003 vga_interface_type = VGA_QXL;
2004 } else {
2005 fprintf(stderr, "Error: QXL VGA not available\n");
2006 exit(0);
2007 }
2008 } else if (strstart(p, "tcx", &opts)) {
2009 if (tcx_vga_available()) {
2010 vga_interface_type = VGA_TCX;
2011 } else {
2012 fprintf(stderr, "Error: TCX framebuffer not available\n");
2013 exit(0);
2014 }
2015 } else if (strstart(p, "cg3", &opts)) {
2016 if (cg3_vga_available()) {
2017 vga_interface_type = VGA_CG3;
2018 } else {
2019 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2020 exit(0);
2021 }
2022 } else if (!strstart(p, "none", &opts)) {
2023 invalid_vga:
2024 fprintf(stderr, "Unknown vga type: %s\n", p);
2025 exit(1);
2026 }
2027 while (*opts) {
2028 const char *nextopt;
2029
2030 if (strstart(opts, ",retrace=", &nextopt)) {
2031 opts = nextopt;
2032 if (strstart(opts, "dumb", &nextopt))
2033 vga_retrace_method = VGA_RETRACE_DUMB;
2034 else if (strstart(opts, "precise", &nextopt))
2035 vga_retrace_method = VGA_RETRACE_PRECISE;
2036 else goto invalid_vga;
2037 } else goto invalid_vga;
2038 opts = nextopt;
2039 }
2040 }
2041
2042 static DisplayType select_display(const char *p)
2043 {
2044 Error *err = NULL;
2045 const char *opts;
2046 DisplayType display = DT_DEFAULT;
2047
2048 if (strstart(p, "sdl", &opts)) {
2049 #ifdef CONFIG_SDL
2050 display = DT_SDL;
2051 while (*opts) {
2052 const char *nextopt;
2053
2054 if (strstart(opts, ",frame=", &nextopt)) {
2055 opts = nextopt;
2056 if (strstart(opts, "on", &nextopt)) {
2057 no_frame = 0;
2058 } else if (strstart(opts, "off", &nextopt)) {
2059 no_frame = 1;
2060 } else {
2061 goto invalid_sdl_args;
2062 }
2063 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "on", &nextopt)) {
2066 alt_grab = 1;
2067 } else if (strstart(opts, "off", &nextopt)) {
2068 alt_grab = 0;
2069 } else {
2070 goto invalid_sdl_args;
2071 }
2072 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2073 opts = nextopt;
2074 if (strstart(opts, "on", &nextopt)) {
2075 ctrl_grab = 1;
2076 } else if (strstart(opts, "off", &nextopt)) {
2077 ctrl_grab = 0;
2078 } else {
2079 goto invalid_sdl_args;
2080 }
2081 } else if (strstart(opts, ",window_close=", &nextopt)) {
2082 opts = nextopt;
2083 if (strstart(opts, "on", &nextopt)) {
2084 no_quit = 0;
2085 } else if (strstart(opts, "off", &nextopt)) {
2086 no_quit = 1;
2087 } else {
2088 goto invalid_sdl_args;
2089 }
2090 } else if (strstart(opts, ",gl=", &nextopt)) {
2091 opts = nextopt;
2092 if (strstart(opts, "on", &nextopt)) {
2093 request_opengl = 1;
2094 } else if (strstart(opts, "off", &nextopt)) {
2095 request_opengl = 0;
2096 } else {
2097 goto invalid_sdl_args;
2098 }
2099 } else {
2100 invalid_sdl_args:
2101 error_report("Invalid SDL option string");
2102 exit(1);
2103 }
2104 opts = nextopt;
2105 }
2106 #else
2107 error_report("SDL support is disabled");
2108 exit(1);
2109 #endif
2110 } else if (strstart(p, "vnc", &opts)) {
2111 #ifdef CONFIG_VNC
2112 if (*opts == '=') {
2113 if (vnc_parse(opts + 1, &err) == NULL) {
2114 error_report_err(err);
2115 exit(1);
2116 }
2117 } else {
2118 error_report("VNC requires a display argument vnc=<display>");
2119 exit(1);
2120 }
2121 #else
2122 error_report("VNC support is disabled");
2123 exit(1);
2124 #endif
2125 } else if (strstart(p, "curses", &opts)) {
2126 #ifdef CONFIG_CURSES
2127 display = DT_CURSES;
2128 #else
2129 error_report("Curses support is disabled");
2130 exit(1);
2131 #endif
2132 } else if (strstart(p, "gtk", &opts)) {
2133 #ifdef CONFIG_GTK
2134 display = DT_GTK;
2135 while (*opts) {
2136 const char *nextopt;
2137
2138 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2139 opts = nextopt;
2140 if (strstart(opts, "on", &nextopt)) {
2141 grab_on_hover = true;
2142 } else if (strstart(opts, "off", &nextopt)) {
2143 grab_on_hover = false;
2144 } else {
2145 goto invalid_gtk_args;
2146 }
2147 } else if (strstart(opts, ",gl=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 request_opengl = 1;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 request_opengl = 0;
2153 } else {
2154 goto invalid_gtk_args;
2155 }
2156 } else {
2157 invalid_gtk_args:
2158 error_report("Invalid GTK option string");
2159 exit(1);
2160 }
2161 opts = nextopt;
2162 }
2163 #else
2164 error_report("GTK support is disabled");
2165 exit(1);
2166 #endif
2167 } else if (strstart(p, "none", &opts)) {
2168 display = DT_NONE;
2169 } else {
2170 error_report("Unknown display type");
2171 exit(1);
2172 }
2173
2174 return display;
2175 }
2176
2177 static int balloon_parse(const char *arg)
2178 {
2179 QemuOpts *opts;
2180
2181 if (strcmp(arg, "none") == 0) {
2182 return 0;
2183 }
2184
2185 if (!strncmp(arg, "virtio", 6)) {
2186 if (arg[6] == ',') {
2187 /* have params -> parse them */
2188 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2189 false);
2190 if (!opts)
2191 return -1;
2192 } else {
2193 /* create empty opts */
2194 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2195 &error_abort);
2196 }
2197 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2198 return 0;
2199 }
2200
2201 return -1;
2202 }
2203
2204 char *qemu_find_file(int type, const char *name)
2205 {
2206 int i;
2207 const char *subdir;
2208 char *buf;
2209
2210 /* Try the name as a straight path first */
2211 if (access(name, R_OK) == 0) {
2212 trace_load_file(name, name);
2213 return g_strdup(name);
2214 }
2215
2216 switch (type) {
2217 case QEMU_FILE_TYPE_BIOS:
2218 subdir = "";
2219 break;
2220 case QEMU_FILE_TYPE_KEYMAP:
2221 subdir = "keymaps/";
2222 break;
2223 default:
2224 abort();
2225 }
2226
2227 for (i = 0; i < data_dir_idx; i++) {
2228 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2229 if (access(buf, R_OK) == 0) {
2230 trace_load_file(name, buf);
2231 return buf;
2232 }
2233 g_free(buf);
2234 }
2235 return NULL;
2236 }
2237
2238 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2239 {
2240 gchar *buf;
2241 size_t size;
2242 const char *name, *file;
2243
2244 if (opaque == NULL) {
2245 error_report("fw_cfg device not available");
2246 return -1;
2247 }
2248 name = qemu_opt_get(opts, "name");
2249 file = qemu_opt_get(opts, "file");
2250 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2251 error_report("invalid argument value");
2252 return -1;
2253 }
2254 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2255 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2256 return -1;
2257 }
2258 if (strncmp(name, "opt/", 4) != 0) {
2259 error_report("WARNING: externally provided fw_cfg item names "
2260 "should be prefixed with \"opt/\"!");
2261 }
2262 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2263 error_report("can't load %s", file);
2264 return -1;
2265 }
2266 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2267 return 0;
2268 }
2269
2270 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2271 {
2272 return qdev_device_help(opts);
2273 }
2274
2275 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2276 {
2277 Error *err = NULL;
2278 DeviceState *dev;
2279
2280 dev = qdev_device_add(opts, &err);
2281 if (!dev) {
2282 error_report_err(err);
2283 return -1;
2284 }
2285 object_unref(OBJECT(dev));
2286 return 0;
2287 }
2288
2289 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2290 {
2291 Error *local_err = NULL;
2292
2293 qemu_chr_new_from_opts(opts, NULL, &local_err);
2294 if (local_err) {
2295 error_report_err(local_err);
2296 return -1;
2297 }
2298 return 0;
2299 }
2300
2301 #ifdef CONFIG_VIRTFS
2302 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 int ret;
2305 ret = qemu_fsdev_add(opts);
2306
2307 return ret;
2308 }
2309 #endif
2310
2311 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2312 {
2313 CharDriverState *chr;
2314 const char *chardev;
2315 const char *mode;
2316 int flags;
2317
2318 mode = qemu_opt_get(opts, "mode");
2319 if (mode == NULL) {
2320 mode = "readline";
2321 }
2322 if (strcmp(mode, "readline") == 0) {
2323 flags = MONITOR_USE_READLINE;
2324 } else if (strcmp(mode, "control") == 0) {
2325 flags = MONITOR_USE_CONTROL;
2326 } else {
2327 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2328 exit(1);
2329 }
2330
2331 if (qemu_opt_get_bool(opts, "pretty", 0))
2332 flags |= MONITOR_USE_PRETTY;
2333
2334 if (qemu_opt_get_bool(opts, "default", 0))
2335 flags |= MONITOR_IS_DEFAULT;
2336
2337 chardev = qemu_opt_get(opts, "chardev");
2338 chr = qemu_chr_find(chardev);
2339 if (chr == NULL) {
2340 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2341 exit(1);
2342 }
2343
2344 qemu_chr_fe_claim_no_fail(chr);
2345 monitor_init(chr, flags);
2346 return 0;
2347 }
2348
2349 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2350 {
2351 static int monitor_device_index = 0;
2352 Error *local_err = NULL;
2353 QemuOpts *opts;
2354 const char *p;
2355 char label[32];
2356 int def = 0;
2357
2358 if (strstart(optarg, "chardev:", &p)) {
2359 snprintf(label, sizeof(label), "%s", p);
2360 } else {
2361 snprintf(label, sizeof(label), "compat_monitor%d",
2362 monitor_device_index);
2363 if (monitor_device_index == 0) {
2364 def = 1;
2365 }
2366 opts = qemu_chr_parse_compat(label, optarg);
2367 if (!opts) {
2368 fprintf(stderr, "parse error: %s\n", optarg);
2369 exit(1);
2370 }
2371 }
2372
2373 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2374 if (!opts) {
2375 error_report_err(local_err);
2376 exit(1);
2377 }
2378 qemu_opt_set(opts, "mode", mode, &error_abort);
2379 qemu_opt_set(opts, "chardev", label, &error_abort);
2380 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2381 if (def)
2382 qemu_opt_set(opts, "default", "on", &error_abort);
2383 monitor_device_index++;
2384 }
2385
2386 struct device_config {
2387 enum {
2388 DEV_USB, /* -usbdevice */
2389 DEV_BT, /* -bt */
2390 DEV_SERIAL, /* -serial */
2391 DEV_PARALLEL, /* -parallel */
2392 DEV_VIRTCON, /* -virtioconsole */
2393 DEV_DEBUGCON, /* -debugcon */
2394 DEV_GDB, /* -gdb, -s */
2395 DEV_SCLP, /* s390 sclp */
2396 } type;
2397 const char *cmdline;
2398 Location loc;
2399 QTAILQ_ENTRY(device_config) next;
2400 };
2401
2402 static QTAILQ_HEAD(, device_config) device_configs =
2403 QTAILQ_HEAD_INITIALIZER(device_configs);
2404
2405 static void add_device_config(int type, const char *cmdline)
2406 {
2407 struct device_config *conf;
2408
2409 conf = g_malloc0(sizeof(*conf));
2410 conf->type = type;
2411 conf->cmdline = cmdline;
2412 loc_save(&conf->loc);
2413 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2414 }
2415
2416 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2417 {
2418 struct device_config *conf;
2419 int rc;
2420
2421 QTAILQ_FOREACH(conf, &device_configs, next) {
2422 if (conf->type != type)
2423 continue;
2424 loc_push_restore(&conf->loc);
2425 rc = func(conf->cmdline);
2426 loc_pop(&conf->loc);
2427 if (rc) {
2428 return rc;
2429 }
2430 }
2431 return 0;
2432 }
2433
2434 static int serial_parse(const char *devname)
2435 {
2436 static int index = 0;
2437 char label[32];
2438
2439 if (strcmp(devname, "none") == 0)
2440 return 0;
2441 if (index == MAX_SERIAL_PORTS) {
2442 fprintf(stderr, "qemu: too many serial ports\n");
2443 exit(1);
2444 }
2445 snprintf(label, sizeof(label), "serial%d", index);
2446 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2447 if (!serial_hds[index]) {
2448 fprintf(stderr, "qemu: could not connect serial device"
2449 " to character backend '%s'\n", devname);
2450 return -1;
2451 }
2452 index++;
2453 return 0;
2454 }
2455
2456 static int parallel_parse(const char *devname)
2457 {
2458 static int index = 0;
2459 char label[32];
2460
2461 if (strcmp(devname, "none") == 0)
2462 return 0;
2463 if (index == MAX_PARALLEL_PORTS) {
2464 fprintf(stderr, "qemu: too many parallel ports\n");
2465 exit(1);
2466 }
2467 snprintf(label, sizeof(label), "parallel%d", index);
2468 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2469 if (!parallel_hds[index]) {
2470 fprintf(stderr, "qemu: could not connect parallel device"
2471 " to character backend '%s'\n", devname);
2472 return -1;
2473 }
2474 index++;
2475 return 0;
2476 }
2477
2478 static int virtcon_parse(const char *devname)
2479 {
2480 QemuOptsList *device = qemu_find_opts("device");
2481 static int index = 0;
2482 char label[32];
2483 QemuOpts *bus_opts, *dev_opts;
2484
2485 if (strcmp(devname, "none") == 0)
2486 return 0;
2487 if (index == MAX_VIRTIO_CONSOLES) {
2488 fprintf(stderr, "qemu: too many virtio consoles\n");
2489 exit(1);
2490 }
2491
2492 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2493 if (arch_type == QEMU_ARCH_S390X) {
2494 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2495 } else {
2496 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2497 }
2498
2499 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2500 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2501
2502 snprintf(label, sizeof(label), "virtcon%d", index);
2503 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2504 if (!virtcon_hds[index]) {
2505 fprintf(stderr, "qemu: could not connect virtio console"
2506 " to character backend '%s'\n", devname);
2507 return -1;
2508 }
2509 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2510
2511 index++;
2512 return 0;
2513 }
2514
2515 static int sclp_parse(const char *devname)
2516 {
2517 QemuOptsList *device = qemu_find_opts("device");
2518 static int index = 0;
2519 char label[32];
2520 QemuOpts *dev_opts;
2521
2522 if (strcmp(devname, "none") == 0) {
2523 return 0;
2524 }
2525 if (index == MAX_SCLP_CONSOLES) {
2526 fprintf(stderr, "qemu: too many sclp consoles\n");
2527 exit(1);
2528 }
2529
2530 assert(arch_type == QEMU_ARCH_S390X);
2531
2532 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2533 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2534
2535 snprintf(label, sizeof(label), "sclpcon%d", index);
2536 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2537 if (!sclp_hds[index]) {
2538 fprintf(stderr, "qemu: could not connect sclp 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 debugcon_parse(const char *devname)
2549 {
2550 QemuOpts *opts;
2551
2552 if (!qemu_chr_new("debugcon", devname, NULL)) {
2553 exit(1);
2554 }
2555 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2556 if (!opts) {
2557 fprintf(stderr, "qemu: already have a debugcon device\n");
2558 exit(1);
2559 }
2560 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2561 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2562 return 0;
2563 }
2564
2565 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2566 {
2567 const MachineClass *mc1 = a, *mc2 = b;
2568 int res;
2569
2570 if (mc1->family == NULL) {
2571 if (mc2->family == NULL) {
2572 /* Compare standalone machine types against each other; they sort
2573 * in increasing order.
2574 */
2575 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2576 object_class_get_name(OBJECT_CLASS(mc2)));
2577 }
2578
2579 /* Standalone machine types sort after families. */
2580 return 1;
2581 }
2582
2583 if (mc2->family == NULL) {
2584 /* Families sort before standalone machine types. */
2585 return -1;
2586 }
2587
2588 /* Families sort between each other alphabetically increasingly. */
2589 res = strcmp(mc1->family, mc2->family);
2590 if (res != 0) {
2591 return res;
2592 }
2593
2594 /* Within the same family, machine types sort in decreasing order. */
2595 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2596 object_class_get_name(OBJECT_CLASS(mc1)));
2597 }
2598
2599 static MachineClass *machine_parse(const char *name)
2600 {
2601 MachineClass *mc = NULL;
2602 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2603
2604 if (name) {
2605 mc = find_machine(name);
2606 }
2607 if (mc) {
2608 g_slist_free(machines);
2609 return mc;
2610 }
2611 if (name && !is_help_option(name)) {
2612 error_report("Unsupported machine type");
2613 error_printf("Use -machine help to list supported machines!\n");
2614 } else {
2615 printf("Supported machines are:\n");
2616 machines = g_slist_sort(machines, machine_class_cmp);
2617 for (el = machines; el; el = el->next) {
2618 MachineClass *mc = el->data;
2619 if (mc->alias) {
2620 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2621 }
2622 printf("%-20s %s%s\n", mc->name, mc->desc,
2623 mc->is_default ? " (default)" : "");
2624 }
2625 }
2626
2627 g_slist_free(machines);
2628 exit(!name || !is_help_option(name));
2629 }
2630
2631 void qemu_add_exit_notifier(Notifier *notify)
2632 {
2633 notifier_list_add(&exit_notifiers, notify);
2634 }
2635
2636 void qemu_remove_exit_notifier(Notifier *notify)
2637 {
2638 notifier_remove(notify);
2639 }
2640
2641 static void qemu_run_exit_notifiers(void)
2642 {
2643 notifier_list_notify(&exit_notifiers, NULL);
2644 }
2645
2646 static bool machine_init_done;
2647
2648 void qemu_add_machine_init_done_notifier(Notifier *notify)
2649 {
2650 notifier_list_add(&machine_init_done_notifiers, notify);
2651 if (machine_init_done) {
2652 notify->notify(notify, NULL);
2653 }
2654 }
2655
2656 static void qemu_run_machine_init_done_notifiers(void)
2657 {
2658 notifier_list_notify(&machine_init_done_notifiers, NULL);
2659 machine_init_done = true;
2660 }
2661
2662 static const QEMUOption *lookup_opt(int argc, char **argv,
2663 const char **poptarg, int *poptind)
2664 {
2665 const QEMUOption *popt;
2666 int optind = *poptind;
2667 char *r = argv[optind];
2668 const char *optarg;
2669
2670 loc_set_cmdline(argv, optind, 1);
2671 optind++;
2672 /* Treat --foo the same as -foo. */
2673 if (r[1] == '-')
2674 r++;
2675 popt = qemu_options;
2676 for(;;) {
2677 if (!popt->name) {
2678 error_report("invalid option");
2679 exit(1);
2680 }
2681 if (!strcmp(popt->name, r + 1))
2682 break;
2683 popt++;
2684 }
2685 if (popt->flags & HAS_ARG) {
2686 if (optind >= argc) {
2687 error_report("requires an argument");
2688 exit(1);
2689 }
2690 optarg = argv[optind++];
2691 loc_set_cmdline(argv, optind - 2, 2);
2692 } else {
2693 optarg = NULL;
2694 }
2695
2696 *poptarg = optarg;
2697 *poptind = optind;
2698
2699 return popt;
2700 }
2701
2702 static gpointer malloc_and_trace(gsize n_bytes)
2703 {
2704 void *ptr = malloc(n_bytes);
2705 trace_g_malloc(n_bytes, ptr);
2706 return ptr;
2707 }
2708
2709 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2710 {
2711 void *ptr = realloc(mem, n_bytes);
2712 trace_g_realloc(mem, n_bytes, ptr);
2713 return ptr;
2714 }
2715
2716 static void free_and_trace(gpointer mem)
2717 {
2718 trace_g_free(mem);
2719 free(mem);
2720 }
2721
2722 static int machine_set_property(void *opaque,
2723 const char *name, const char *value,
2724 Error **errp)
2725 {
2726 Object *obj = OBJECT(opaque);
2727 Error *local_err = NULL;
2728 char *c, *qom_name;
2729
2730 if (strcmp(name, "type") == 0) {
2731 return 0;
2732 }
2733
2734 qom_name = g_strdup(name);
2735 c = qom_name;
2736 while (*c++) {
2737 if (*c == '_') {
2738 *c = '-';
2739 }
2740 }
2741
2742 object_property_parse(obj, value, qom_name, &local_err);
2743 g_free(qom_name);
2744
2745 if (local_err) {
2746 error_report_err(local_err);
2747 return -1;
2748 }
2749
2750 return 0;
2751 }
2752
2753
2754 /*
2755 * Initial object creation happens before all other
2756 * QEMU data types are created. The majority of objects
2757 * can be created at this point. The rng-egd object
2758 * cannot be created here, as it depends on the chardev
2759 * already existing.
2760 */
2761 static bool object_create_initial(const char *type)
2762 {
2763 if (g_str_equal(type, "rng-egd")) {
2764 return false;
2765 }
2766 return true;
2767 }
2768
2769
2770 /*
2771 * The remainder of object creation happens after the
2772 * creation of chardev, fsdev and device data types.
2773 */
2774 static bool object_create_delayed(const char *type)
2775 {
2776 return !object_create_initial(type);
2777 }
2778
2779
2780 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2781 {
2782 Error *err = NULL;
2783 char *type = NULL;
2784 char *id = NULL;
2785 void *dummy = NULL;
2786 OptsVisitor *ov;
2787 QDict *pdict;
2788 bool (*type_predicate)(const char *) = opaque;
2789
2790 ov = opts_visitor_new(opts);
2791 pdict = qemu_opts_to_qdict(opts, NULL);
2792
2793 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2794 if (err) {
2795 goto out;
2796 }
2797
2798 qdict_del(pdict, "qom-type");
2799 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2800 if (err) {
2801 goto out;
2802 }
2803 if (!type_predicate(type)) {
2804 goto out;
2805 }
2806
2807 qdict_del(pdict, "id");
2808 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2809 if (err) {
2810 goto out;
2811 }
2812
2813 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2814 if (err) {
2815 goto out;
2816 }
2817 visit_end_struct(opts_get_visitor(ov), &err);
2818 if (err) {
2819 qmp_object_del(id, NULL);
2820 }
2821
2822 out:
2823 opts_visitor_cleanup(ov);
2824
2825 QDECREF(pdict);
2826 g_free(id);
2827 g_free(type);
2828 g_free(dummy);
2829 if (err) {
2830 error_report_err(err);
2831 return -1;
2832 }
2833 return 0;
2834 }
2835
2836 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2837 MachineClass *mc)
2838 {
2839 uint64_t sz;
2840 const char *mem_str;
2841 const char *maxmem_str, *slots_str;
2842 const ram_addr_t default_ram_size = mc->default_ram_size;
2843 QemuOpts *opts = qemu_find_opts_singleton("memory");
2844
2845 sz = 0;
2846 mem_str = qemu_opt_get(opts, "size");
2847 if (mem_str) {
2848 if (!*mem_str) {
2849 error_report("missing 'size' option value");
2850 exit(EXIT_FAILURE);
2851 }
2852
2853 sz = qemu_opt_get_size(opts, "size", ram_size);
2854
2855 /* Fix up legacy suffix-less format */
2856 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2857 uint64_t overflow_check = sz;
2858
2859 sz <<= 20;
2860 if ((sz >> 20) != overflow_check) {
2861 error_report("too large 'size' option value");
2862 exit(EXIT_FAILURE);
2863 }
2864 }
2865 }
2866
2867 /* backward compatibility behaviour for case "-m 0" */
2868 if (sz == 0) {
2869 sz = default_ram_size;
2870 }
2871
2872 sz = QEMU_ALIGN_UP(sz, 8192);
2873 ram_size = sz;
2874 if (ram_size != sz) {
2875 error_report("ram size too large");
2876 exit(EXIT_FAILURE);
2877 }
2878
2879 /* store value for the future use */
2880 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2881 *maxram_size = ram_size;
2882
2883 maxmem_str = qemu_opt_get(opts, "maxmem");
2884 slots_str = qemu_opt_get(opts, "slots");
2885 if (maxmem_str && slots_str) {
2886 uint64_t slots;
2887
2888 sz = qemu_opt_get_size(opts, "maxmem", 0);
2889 slots = qemu_opt_get_number(opts, "slots", 0);
2890 if (sz < ram_size) {
2891 error_report("invalid value of -m option maxmem: "
2892 "maximum memory size (0x%" PRIx64 ") must be at least "
2893 "the initial memory size (0x" RAM_ADDR_FMT ")",
2894 sz, ram_size);
2895 exit(EXIT_FAILURE);
2896 } else if (sz > ram_size) {
2897 if (!slots) {
2898 error_report("invalid value of -m option: maxmem was "
2899 "specified, but no hotplug slots were specified");
2900 exit(EXIT_FAILURE);
2901 }
2902 } else if (slots) {
2903 error_report("invalid value of -m option maxmem: "
2904 "memory slots were specified but maximum memory size "
2905 "(0x%" PRIx64 ") is equal to the initial memory size "
2906 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2907 exit(EXIT_FAILURE);
2908 }
2909
2910 *maxram_size = sz;
2911 *ram_slots = slots;
2912 } else if ((!maxmem_str && slots_str) ||
2913 (maxmem_str && !slots_str)) {
2914 error_report("invalid -m option value: missing "
2915 "'%s' option", slots_str ? "maxmem" : "slots");
2916 exit(EXIT_FAILURE);
2917 }
2918 }
2919
2920 int main(int argc, char **argv, char **envp)
2921 {
2922 int i;
2923 int snapshot, linux_boot;
2924 const char *initrd_filename;
2925 const char *kernel_filename, *kernel_cmdline;
2926 const char *boot_order = NULL;
2927 const char *boot_once = NULL;
2928 DisplayState *ds;
2929 int cyls, heads, secs, translation;
2930 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2931 QemuOptsList *olist;
2932 int optind;
2933 const char *optarg;
2934 const char *loadvm = NULL;
2935 MachineClass *machine_class;
2936 const char *cpu_model;
2937 const char *vga_model = NULL;
2938 const char *qtest_chrdev = NULL;
2939 const char *qtest_log = NULL;
2940 const char *pid_file = NULL;
2941 const char *incoming = NULL;
2942 #ifdef CONFIG_VNC
2943 int show_vnc_port = 0;
2944 #endif
2945 bool defconfig = true;
2946 bool userconfig = true;
2947 const char *log_mask = NULL;
2948 const char *log_file = NULL;
2949 GMemVTable mem_trace = {
2950 .malloc = malloc_and_trace,
2951 .realloc = realloc_and_trace,
2952 .free = free_and_trace,
2953 };
2954 const char *trace_events = NULL;
2955 const char *trace_file = NULL;
2956 ram_addr_t maxram_size;
2957 uint64_t ram_slots = 0;
2958 FILE *vmstate_dump_file = NULL;
2959 Error *main_loop_err = NULL;
2960
2961 qemu_init_cpu_loop();
2962 qemu_mutex_lock_iothread();
2963
2964 atexit(qemu_run_exit_notifiers);
2965 error_set_progname(argv[0]);
2966 qemu_init_exec_dir(argv[0]);
2967
2968 g_mem_set_vtable(&mem_trace);
2969
2970 module_call_init(MODULE_INIT_QOM);
2971
2972 qemu_add_opts(&qemu_drive_opts);
2973 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2974 qemu_add_drive_opts(&qemu_common_drive_opts);
2975 qemu_add_drive_opts(&qemu_drive_opts);
2976 qemu_add_opts(&qemu_chardev_opts);
2977 qemu_add_opts(&qemu_device_opts);
2978 qemu_add_opts(&qemu_netdev_opts);
2979 qemu_add_opts(&qemu_net_opts);
2980 qemu_add_opts(&qemu_rtc_opts);
2981 qemu_add_opts(&qemu_global_opts);
2982 qemu_add_opts(&qemu_mon_opts);
2983 qemu_add_opts(&qemu_trace_opts);
2984 qemu_add_opts(&qemu_option_rom_opts);
2985 qemu_add_opts(&qemu_machine_opts);
2986 qemu_add_opts(&qemu_mem_opts);
2987 qemu_add_opts(&qemu_smp_opts);
2988 qemu_add_opts(&qemu_boot_opts);
2989 qemu_add_opts(&qemu_sandbox_opts);
2990 qemu_add_opts(&qemu_add_fd_opts);
2991 qemu_add_opts(&qemu_object_opts);
2992 qemu_add_opts(&qemu_tpmdev_opts);
2993 qemu_add_opts(&qemu_realtime_opts);
2994 qemu_add_opts(&qemu_msg_opts);
2995 qemu_add_opts(&qemu_name_opts);
2996 qemu_add_opts(&qemu_numa_opts);
2997 qemu_add_opts(&qemu_icount_opts);
2998 qemu_add_opts(&qemu_semihosting_config_opts);
2999 qemu_add_opts(&qemu_fw_cfg_opts);
3000
3001 runstate_init();
3002
3003 rtc_clock = QEMU_CLOCK_HOST;
3004
3005 QLIST_INIT (&vm_change_state_head);
3006 os_setup_early_signal_handling();
3007
3008 module_call_init(MODULE_INIT_MACHINE);
3009 machine_class = find_default_machine();
3010 cpu_model = NULL;
3011 snapshot = 0;
3012 cyls = heads = secs = 0;
3013 translation = BIOS_ATA_TRANSLATION_AUTO;
3014
3015 nb_nics = 0;
3016
3017 bdrv_init_with_whitelist();
3018
3019 autostart = 1;
3020
3021 /* first pass of option parsing */
3022 optind = 1;
3023 while (optind < argc) {
3024 if (argv[optind][0] != '-') {
3025 /* disk image */
3026 optind++;
3027 } else {
3028 const QEMUOption *popt;
3029
3030 popt = lookup_opt(argc, argv, &optarg, &optind);
3031 switch (popt->index) {
3032 case QEMU_OPTION_nodefconfig:
3033 defconfig = false;
3034 break;
3035 case QEMU_OPTION_nouserconfig:
3036 userconfig = false;
3037 break;
3038 }
3039 }
3040 }
3041
3042 if (defconfig) {
3043 int ret;
3044 ret = qemu_read_default_config_files(userconfig);
3045 if (ret < 0) {
3046 exit(1);
3047 }
3048 }
3049
3050 /* second pass of option parsing */
3051 optind = 1;
3052 for(;;) {
3053 if (optind >= argc)
3054 break;
3055 if (argv[optind][0] != '-') {
3056 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3057 } else {
3058 const QEMUOption *popt;
3059
3060 popt = lookup_opt(argc, argv, &optarg, &optind);
3061 if (!(popt->arch_mask & arch_type)) {
3062 printf("Option %s not supported for this target\n", popt->name);
3063 exit(1);
3064 }
3065 switch(popt->index) {
3066 case QEMU_OPTION_no_kvm_irqchip: {
3067 olist = qemu_find_opts("machine");
3068 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3069 break;
3070 }
3071 case QEMU_OPTION_cpu:
3072 /* hw initialization will check this */
3073 cpu_model = optarg;
3074 break;
3075 case QEMU_OPTION_hda:
3076 {
3077 char buf[256];
3078 if (cyls == 0)
3079 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3080 else
3081 snprintf(buf, sizeof(buf),
3082 "%s,cyls=%d,heads=%d,secs=%d%s",
3083 HD_OPTS , cyls, heads, secs,
3084 translation == BIOS_ATA_TRANSLATION_LBA ?
3085 ",trans=lba" :
3086 translation == BIOS_ATA_TRANSLATION_NONE ?
3087 ",trans=none" : "");
3088 drive_add(IF_DEFAULT, 0, optarg, buf);
3089 break;
3090 }
3091 case QEMU_OPTION_hdb:
3092 case QEMU_OPTION_hdc:
3093 case QEMU_OPTION_hdd:
3094 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3095 HD_OPTS);
3096 break;
3097 case QEMU_OPTION_drive:
3098 if (drive_def(optarg) == NULL) {
3099 exit(1);
3100 }
3101 break;
3102 case QEMU_OPTION_set:
3103 if (qemu_set_option(optarg) != 0)
3104 exit(1);
3105 break;
3106 case QEMU_OPTION_global:
3107 if (qemu_global_option(optarg) != 0)
3108 exit(1);
3109 break;
3110 case QEMU_OPTION_mtdblock:
3111 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3112 break;
3113 case QEMU_OPTION_sd:
3114 drive_add(IF_SD, -1, optarg, SD_OPTS);
3115 break;
3116 case QEMU_OPTION_pflash:
3117 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3118 break;
3119 case QEMU_OPTION_snapshot:
3120 snapshot = 1;
3121 break;
3122 case QEMU_OPTION_hdachs:
3123 {
3124 const char *p;
3125 p = optarg;
3126 cyls = strtol(p, (char **)&p, 0);
3127 if (cyls < 1 || cyls > 16383)
3128 goto chs_fail;
3129 if (*p != ',')
3130 goto chs_fail;
3131 p++;
3132 heads = strtol(p, (char **)&p, 0);
3133 if (heads < 1 || heads > 16)
3134 goto chs_fail;
3135 if (*p != ',')
3136 goto chs_fail;
3137 p++;
3138 secs = strtol(p, (char **)&p, 0);
3139 if (secs < 1 || secs > 63)
3140 goto chs_fail;
3141 if (*p == ',') {
3142 p++;
3143 if (!strcmp(p, "large")) {
3144 translation = BIOS_ATA_TRANSLATION_LARGE;
3145 } else if (!strcmp(p, "rechs")) {
3146 translation = BIOS_ATA_TRANSLATION_RECHS;
3147 } else if (!strcmp(p, "none")) {
3148 translation = BIOS_ATA_TRANSLATION_NONE;
3149 } else if (!strcmp(p, "lba")) {
3150 translation = BIOS_ATA_TRANSLATION_LBA;
3151 } else if (!strcmp(p, "auto")) {
3152 translation = BIOS_ATA_TRANSLATION_AUTO;
3153 } else {
3154 goto chs_fail;
3155 }
3156 } else if (*p != '\0') {
3157 chs_fail:
3158 fprintf(stderr, "qemu: invalid physical CHS format\n");
3159 exit(1);
3160 }
3161 if (hda_opts != NULL) {
3162 qemu_opt_set_number(hda_opts, "cyls", cyls,
3163 &error_abort);
3164 qemu_opt_set_number(hda_opts, "heads", heads,
3165 &error_abort);
3166 qemu_opt_set_number(hda_opts, "secs", secs,
3167 &error_abort);
3168 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3169 qemu_opt_set(hda_opts, "trans", "large",
3170 &error_abort);
3171 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3172 qemu_opt_set(hda_opts, "trans", "rechs",
3173 &error_abort);
3174 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3175 qemu_opt_set(hda_opts, "trans", "lba",
3176 &error_abort);
3177 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3178 qemu_opt_set(hda_opts, "trans", "none",
3179 &error_abort);
3180 }
3181 }
3182 }
3183 break;
3184 case QEMU_OPTION_numa:
3185 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3186 optarg, true);
3187 if (!opts) {
3188 exit(1);
3189 }
3190 break;
3191 case QEMU_OPTION_display:
3192 display_type = select_display(optarg);
3193 break;
3194 case QEMU_OPTION_nographic:
3195 display_type = DT_NOGRAPHIC;
3196 break;
3197 case QEMU_OPTION_curses:
3198 #ifdef CONFIG_CURSES
3199 display_type = DT_CURSES;
3200 #else
3201 fprintf(stderr, "Curses support is disabled\n");
3202 exit(1);
3203 #endif
3204 break;
3205 case QEMU_OPTION_portrait:
3206 graphic_rotate = 90;
3207 break;
3208 case QEMU_OPTION_rotate:
3209 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3210 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3211 graphic_rotate != 180 && graphic_rotate != 270) {
3212 fprintf(stderr,
3213 "qemu: only 90, 180, 270 deg rotation is available\n");
3214 exit(1);
3215 }
3216 break;
3217 case QEMU_OPTION_kernel:
3218 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3219 &error_abort);
3220 break;
3221 case QEMU_OPTION_initrd:
3222 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3223 &error_abort);
3224 break;
3225 case QEMU_OPTION_append:
3226 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3227 &error_abort);
3228 break;
3229 case QEMU_OPTION_dtb:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3231 &error_abort);
3232 break;
3233 case QEMU_OPTION_cdrom:
3234 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3235 break;
3236 case QEMU_OPTION_boot:
3237 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3238 optarg, true);
3239 if (!opts) {
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_fda:
3244 case QEMU_OPTION_fdb:
3245 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3246 optarg, FD_OPTS);
3247 break;
3248 case QEMU_OPTION_no_fd_bootchk:
3249 fd_bootchk = 0;
3250 break;
3251 case QEMU_OPTION_netdev:
3252 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_net:
3257 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3258 exit(1);
3259 }
3260 break;
3261 #ifdef CONFIG_LIBISCSI
3262 case QEMU_OPTION_iscsi:
3263 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3264 optarg, false);
3265 if (!opts) {
3266 exit(1);
3267 }
3268 break;
3269 #endif
3270 #ifdef CONFIG_SLIRP
3271 case QEMU_OPTION_tftp:
3272 legacy_tftp_prefix = optarg;
3273 break;
3274 case QEMU_OPTION_bootp:
3275 legacy_bootp_filename = optarg;
3276 break;
3277 case QEMU_OPTION_redir:
3278 if (net_slirp_redir(optarg) < 0)
3279 exit(1);
3280 break;
3281 #endif
3282 case QEMU_OPTION_bt:
3283 add_device_config(DEV_BT, optarg);
3284 break;
3285 case QEMU_OPTION_audio_help:
3286 AUD_help ();
3287 exit (0);
3288 break;
3289 case QEMU_OPTION_soundhw:
3290 select_soundhw (optarg);
3291 break;
3292 case QEMU_OPTION_h:
3293 help(0);
3294 break;
3295 case QEMU_OPTION_version:
3296 version();
3297 exit(0);
3298 break;
3299 case QEMU_OPTION_m:
3300 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3301 optarg, true);
3302 if (!opts) {
3303 exit(EXIT_FAILURE);
3304 }
3305 break;
3306 #ifdef CONFIG_TPM
3307 case QEMU_OPTION_tpmdev:
3308 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3309 exit(1);
3310 }
3311 break;
3312 #endif
3313 case QEMU_OPTION_mempath:
3314 mem_path = optarg;
3315 break;
3316 case QEMU_OPTION_mem_prealloc:
3317 mem_prealloc = 1;
3318 break;
3319 case QEMU_OPTION_d:
3320 log_mask = optarg;
3321 break;
3322 case QEMU_OPTION_D:
3323 log_file = optarg;
3324 break;
3325 case QEMU_OPTION_s:
3326 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3327 break;
3328 case QEMU_OPTION_gdb:
3329 add_device_config(DEV_GDB, optarg);
3330 break;
3331 case QEMU_OPTION_L:
3332 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3333 data_dir[data_dir_idx++] = optarg;
3334 }
3335 break;
3336 case QEMU_OPTION_bios:
3337 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3338 &error_abort);
3339 break;
3340 case QEMU_OPTION_singlestep:
3341 singlestep = 1;
3342 break;
3343 case QEMU_OPTION_S:
3344 autostart = 0;
3345 break;
3346 case QEMU_OPTION_k:
3347 keyboard_layout = optarg;
3348 break;
3349 case QEMU_OPTION_localtime:
3350 rtc_utc = 0;
3351 break;
3352 case QEMU_OPTION_vga:
3353 vga_model = optarg;
3354 default_vga = 0;
3355 break;
3356 case QEMU_OPTION_g:
3357 {
3358 const char *p;
3359 int w, h, depth;
3360 p = optarg;
3361 w = strtol(p, (char **)&p, 10);
3362 if (w <= 0) {
3363 graphic_error:
3364 fprintf(stderr, "qemu: invalid resolution or depth\n");
3365 exit(1);
3366 }
3367 if (*p != 'x')
3368 goto graphic_error;
3369 p++;
3370 h = strtol(p, (char **)&p, 10);
3371 if (h <= 0)
3372 goto graphic_error;
3373 if (*p == 'x') {
3374 p++;
3375 depth = strtol(p, (char **)&p, 10);
3376 if (depth != 8 && depth != 15 && depth != 16 &&
3377 depth != 24 && depth != 32)
3378 goto graphic_error;
3379 } else if (*p == '\0') {
3380 depth = graphic_depth;
3381 } else {
3382 goto graphic_error;
3383 }
3384
3385 graphic_width = w;
3386 graphic_height = h;
3387 graphic_depth = depth;
3388 }
3389 break;
3390 case QEMU_OPTION_echr:
3391 {
3392 char *r;
3393 term_escape_char = strtol(optarg, &r, 0);
3394 if (r == optarg)
3395 printf("Bad argument to echr\n");
3396 break;
3397 }
3398 case QEMU_OPTION_monitor:
3399 default_monitor = 0;
3400 if (strncmp(optarg, "none", 4)) {
3401 monitor_parse(optarg, "readline", false);
3402 }
3403 break;
3404 case QEMU_OPTION_qmp:
3405 monitor_parse(optarg, "control", false);
3406 default_monitor = 0;
3407 break;
3408 case QEMU_OPTION_qmp_pretty:
3409 monitor_parse(optarg, "control", true);
3410 default_monitor = 0;
3411 break;
3412 case QEMU_OPTION_mon:
3413 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3414 true);
3415 if (!opts) {
3416 exit(1);
3417 }
3418 default_monitor = 0;
3419 break;
3420 case QEMU_OPTION_chardev:
3421 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3422 optarg, true);
3423 if (!opts) {
3424 exit(1);
3425 }
3426 break;
3427 case QEMU_OPTION_fsdev:
3428 olist = qemu_find_opts("fsdev");
3429 if (!olist) {
3430 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3431 exit(1);
3432 }
3433 opts = qemu_opts_parse_noisily(olist, optarg, true);
3434 if (!opts) {
3435 exit(1);
3436 }
3437 break;
3438 case QEMU_OPTION_virtfs: {
3439 QemuOpts *fsdev;
3440 QemuOpts *device;
3441 const char *writeout, *sock_fd, *socket;
3442
3443 olist = qemu_find_opts("virtfs");
3444 if (!olist) {
3445 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3446 exit(1);
3447 }
3448 opts = qemu_opts_parse_noisily(olist, optarg, true);
3449 if (!opts) {
3450 exit(1);
3451 }
3452
3453 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3454 qemu_opt_get(opts, "mount_tag") == NULL) {
3455 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3456 exit(1);
3457 }
3458 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3459 qemu_opt_get(opts, "mount_tag"),
3460 1, NULL);
3461 if (!fsdev) {
3462 fprintf(stderr, "duplicate fsdev id: %s\n",
3463 qemu_opt_get(opts, "mount_tag"));
3464 exit(1);
3465 }
3466
3467 writeout = qemu_opt_get(opts, "writeout");
3468 if (writeout) {
3469 #ifdef CONFIG_SYNC_FILE_RANGE
3470 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3471 #else
3472 fprintf(stderr, "writeout=immediate not supported on "
3473 "this platform\n");
3474 exit(1);
3475 #endif
3476 }
3477 qemu_opt_set(fsdev, "fsdriver",
3478 qemu_opt_get(opts, "fsdriver"), &error_abort);
3479 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3480 &error_abort);
3481 qemu_opt_set(fsdev, "security_model",
3482 qemu_opt_get(opts, "security_model"),
3483 &error_abort);
3484 socket = qemu_opt_get(opts, "socket");
3485 if (socket) {
3486 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3487 }
3488 sock_fd = qemu_opt_get(opts, "sock_fd");
3489 if (sock_fd) {
3490 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3491 }
3492
3493 qemu_opt_set_bool(fsdev, "readonly",
3494 qemu_opt_get_bool(opts, "readonly", 0),
3495 &error_abort);
3496 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3497 &error_abort);
3498 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3499 qemu_opt_set(device, "fsdev",
3500 qemu_opt_get(opts, "mount_tag"), &error_abort);
3501 qemu_opt_set(device, "mount_tag",
3502 qemu_opt_get(opts, "mount_tag"), &error_abort);
3503 break;
3504 }
3505 case QEMU_OPTION_virtfs_synth: {
3506 QemuOpts *fsdev;
3507 QemuOpts *device;
3508
3509 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3510 1, NULL);
3511 if (!fsdev) {
3512 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3513 exit(1);
3514 }
3515 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3516
3517 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3518 &error_abort);
3519 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3520 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3521 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3522 break;
3523 }
3524 case QEMU_OPTION_serial:
3525 add_device_config(DEV_SERIAL, optarg);
3526 default_serial = 0;
3527 if (strncmp(optarg, "mon:", 4) == 0) {
3528 default_monitor = 0;
3529 }
3530 break;
3531 case QEMU_OPTION_watchdog:
3532 if (watchdog) {
3533 fprintf(stderr,
3534 "qemu: only one watchdog option may be given\n");
3535 return 1;
3536 }
3537 watchdog = optarg;
3538 break;
3539 case QEMU_OPTION_watchdog_action:
3540 if (select_watchdog_action(optarg) == -1) {
3541 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3542 exit(1);
3543 }
3544 break;
3545 case QEMU_OPTION_virtiocon:
3546 add_device_config(DEV_VIRTCON, optarg);
3547 default_virtcon = 0;
3548 if (strncmp(optarg, "mon:", 4) == 0) {
3549 default_monitor = 0;
3550 }
3551 break;
3552 case QEMU_OPTION_parallel:
3553 add_device_config(DEV_PARALLEL, optarg);
3554 default_parallel = 0;
3555 if (strncmp(optarg, "mon:", 4) == 0) {
3556 default_monitor = 0;
3557 }
3558 break;
3559 case QEMU_OPTION_debugcon:
3560 add_device_config(DEV_DEBUGCON, optarg);
3561 break;
3562 case QEMU_OPTION_loadvm:
3563 loadvm = optarg;
3564 break;
3565 case QEMU_OPTION_full_screen:
3566 full_screen = 1;
3567 break;
3568 case QEMU_OPTION_no_frame:
3569 no_frame = 1;
3570 break;
3571 case QEMU_OPTION_alt_grab:
3572 alt_grab = 1;
3573 break;
3574 case QEMU_OPTION_ctrl_grab:
3575 ctrl_grab = 1;
3576 break;
3577 case QEMU_OPTION_no_quit:
3578 no_quit = 1;
3579 break;
3580 case QEMU_OPTION_sdl:
3581 #ifdef CONFIG_SDL
3582 display_type = DT_SDL;
3583 break;
3584 #else
3585 fprintf(stderr, "SDL support is disabled\n");
3586 exit(1);
3587 #endif
3588 case QEMU_OPTION_pidfile:
3589 pid_file = optarg;
3590 break;
3591 case QEMU_OPTION_win2k_hack:
3592 win2k_install_hack = 1;
3593 break;
3594 case QEMU_OPTION_rtc_td_hack: {
3595 static GlobalProperty slew_lost_ticks[] = {
3596 {
3597 .driver = "mc146818rtc",
3598 .property = "lost_tick_policy",
3599 .value = "slew",
3600 },
3601 { /* end of list */ }
3602 };
3603
3604 qdev_prop_register_global_list(slew_lost_ticks);
3605 break;
3606 }
3607 case QEMU_OPTION_acpitable:
3608 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3609 optarg, true);
3610 if (!opts) {
3611 exit(1);
3612 }
3613 do_acpitable_option(opts);
3614 break;
3615 case QEMU_OPTION_smbios:
3616 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3617 optarg, false);
3618 if (!opts) {
3619 exit(1);
3620 }
3621 do_smbios_option(opts);
3622 break;
3623 case QEMU_OPTION_fwcfg:
3624 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3625 optarg, true);
3626 if (opts == NULL) {
3627 exit(1);
3628 }
3629 break;
3630 case QEMU_OPTION_enable_kvm:
3631 olist = qemu_find_opts("machine");
3632 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3633 break;
3634 case QEMU_OPTION_M:
3635 case QEMU_OPTION_machine:
3636 olist = qemu_find_opts("machine");
3637 opts = qemu_opts_parse_noisily(olist, optarg, true);
3638 if (!opts) {
3639 exit(1);
3640 }
3641 break;
3642 case QEMU_OPTION_no_kvm:
3643 olist = qemu_find_opts("machine");
3644 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3645 break;
3646 case QEMU_OPTION_no_kvm_pit: {
3647 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3648 "separately.\n");
3649 break;
3650 }
3651 case QEMU_OPTION_no_kvm_pit_reinjection: {
3652 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3653 {
3654 .driver = "kvm-pit",
3655 .property = "lost_tick_policy",
3656 .value = "discard",
3657 },
3658 { /* end of list */ }
3659 };
3660
3661 fprintf(stderr, "Warning: option deprecated, use "
3662 "lost_tick_policy property of kvm-pit instead.\n");
3663 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3664 break;
3665 }
3666 case QEMU_OPTION_usb:
3667 olist = qemu_find_opts("machine");
3668 qemu_opts_parse_noisily(olist, "usb=on", false);
3669 break;
3670 case QEMU_OPTION_usbdevice:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "usb=on", false);
3673 add_device_config(DEV_USB, optarg);
3674 break;
3675 case QEMU_OPTION_device:
3676 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3677 optarg, true)) {
3678 exit(1);
3679 }
3680 break;
3681 case QEMU_OPTION_smp:
3682 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3683 optarg, true)) {
3684 exit(1);
3685 }
3686 break;
3687 case QEMU_OPTION_vnc:
3688 {
3689 #ifdef CONFIG_VNC
3690 Error *local_err = NULL;
3691
3692 if (vnc_parse(optarg, &local_err) == NULL) {
3693 error_report_err(local_err);
3694 exit(1);
3695 }
3696 #else
3697 fprintf(stderr, "VNC support is disabled\n");
3698 exit(1);
3699 #endif
3700 break;
3701 }
3702 case QEMU_OPTION_no_acpi:
3703 acpi_enabled = 0;
3704 break;
3705 case QEMU_OPTION_no_hpet:
3706 no_hpet = 1;
3707 break;
3708 case QEMU_OPTION_balloon:
3709 if (balloon_parse(optarg) < 0) {
3710 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3711 exit(1);
3712 }
3713 break;
3714 case QEMU_OPTION_no_reboot:
3715 no_reboot = 1;
3716 break;
3717 case QEMU_OPTION_no_shutdown:
3718 no_shutdown = 1;
3719 break;
3720 case QEMU_OPTION_show_cursor:
3721 cursor_hide = 0;
3722 break;
3723 case QEMU_OPTION_uuid:
3724 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3725 fprintf(stderr, "Fail to parse UUID string."
3726 " Wrong format.\n");
3727 exit(1);
3728 }
3729 qemu_uuid_set = true;
3730 break;
3731 case QEMU_OPTION_option_rom:
3732 if (nb_option_roms >= MAX_OPTION_ROMS) {
3733 fprintf(stderr, "Too many option ROMs\n");
3734 exit(1);
3735 }
3736 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3737 optarg, true);
3738 if (!opts) {
3739 exit(1);
3740 }
3741 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3742 option_rom[nb_option_roms].bootindex =
3743 qemu_opt_get_number(opts, "bootindex", -1);
3744 if (!option_rom[nb_option_roms].name) {
3745 fprintf(stderr, "Option ROM file is not specified\n");
3746 exit(1);
3747 }
3748 nb_option_roms++;
3749 break;
3750 case QEMU_OPTION_semihosting:
3751 semihosting.enabled = true;
3752 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3753 break;
3754 case QEMU_OPTION_semihosting_config:
3755 semihosting.enabled = true;
3756 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3757 optarg, false);
3758 if (opts != NULL) {
3759 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3760 true);
3761 const char *target = qemu_opt_get(opts, "target");
3762 if (target != NULL) {
3763 if (strcmp("native", target) == 0) {
3764 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3765 } else if (strcmp("gdb", target) == 0) {
3766 semihosting.target = SEMIHOSTING_TARGET_GDB;
3767 } else if (strcmp("auto", target) == 0) {
3768 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3769 } else {
3770 fprintf(stderr, "Unsupported semihosting-config"
3771 " %s\n",
3772 optarg);
3773 exit(1);
3774 }
3775 } else {
3776 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3777 }
3778 /* Set semihosting argument count and vector */
3779 qemu_opt_foreach(opts, add_semihosting_arg,
3780 &semihosting, NULL);
3781 } else {
3782 fprintf(stderr, "Unsupported semihosting-config %s\n",
3783 optarg);
3784 exit(1);
3785 }
3786 break;
3787 case QEMU_OPTION_tdf:
3788 fprintf(stderr, "Warning: user space PIT time drift fix "
3789 "is no longer supported.\n");
3790 break;
3791 case QEMU_OPTION_name:
3792 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3793 optarg, true);
3794 if (!opts) {
3795 exit(1);
3796 }
3797 break;
3798 case QEMU_OPTION_prom_env:
3799 if (nb_prom_envs >= MAX_PROM_ENVS) {
3800 fprintf(stderr, "Too many prom variables\n");
3801 exit(1);
3802 }
3803 prom_envs[nb_prom_envs] = optarg;
3804 nb_prom_envs++;
3805 break;
3806 case QEMU_OPTION_old_param:
3807 old_param = 1;
3808 break;
3809 case QEMU_OPTION_clock:
3810 /* Clock options no longer exist. Keep this option for
3811 * backward compatibility.
3812 */
3813 break;
3814 case QEMU_OPTION_startdate:
3815 configure_rtc_date_offset(optarg, 1);
3816 break;
3817 case QEMU_OPTION_rtc:
3818 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3819 false);
3820 if (!opts) {
3821 exit(1);
3822 }
3823 configure_rtc(opts);
3824 break;
3825 case QEMU_OPTION_tb_size:
3826 tcg_tb_size = strtol(optarg, NULL, 0);
3827 if (tcg_tb_size < 0) {
3828 tcg_tb_size = 0;
3829 }
3830 break;
3831 case QEMU_OPTION_icount:
3832 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3833 optarg, true);
3834 if (!icount_opts) {
3835 exit(1);
3836 }
3837 break;
3838 case QEMU_OPTION_incoming:
3839 if (!incoming) {
3840 runstate_set(RUN_STATE_INMIGRATE);
3841 }
3842 incoming = optarg;
3843 break;
3844 case QEMU_OPTION_nodefaults:
3845 has_defaults = 0;
3846 break;
3847 case QEMU_OPTION_xen_domid:
3848 if (!(xen_available())) {
3849 printf("Option %s not supported for this target\n", popt->name);
3850 exit(1);
3851 }
3852 xen_domid = atoi(optarg);
3853 break;
3854 case QEMU_OPTION_xen_create:
3855 if (!(xen_available())) {
3856 printf("Option %s not supported for this target\n", popt->name);
3857 exit(1);
3858 }
3859 xen_mode = XEN_CREATE;
3860 break;
3861 case QEMU_OPTION_xen_attach:
3862 if (!(xen_available())) {
3863 printf("Option %s not supported for this target\n", popt->name);
3864 exit(1);
3865 }
3866 xen_mode = XEN_ATTACH;
3867 break;
3868 case QEMU_OPTION_trace:
3869 {
3870 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3871 optarg, false);
3872 if (!opts) {
3873 exit(1);
3874 }
3875 trace_events = qemu_opt_get(opts, "events");
3876 trace_file = qemu_opt_get(opts, "file");
3877 break;
3878 }
3879 case QEMU_OPTION_readconfig:
3880 {
3881 int ret = qemu_read_config_file(optarg);
3882 if (ret < 0) {
3883 fprintf(stderr, "read config %s: %s\n", optarg,
3884 strerror(-ret));
3885 exit(1);
3886 }
3887 break;
3888 }
3889 case QEMU_OPTION_spice:
3890 olist = qemu_find_opts("spice");
3891 if (!olist) {
3892 fprintf(stderr, "spice is not supported by this qemu build.\n");
3893 exit(1);
3894 }
3895 opts = qemu_opts_parse_noisily(olist, optarg, false);
3896 if (!opts) {
3897 exit(1);
3898 }
3899 display_remote++;
3900 break;
3901 case QEMU_OPTION_writeconfig:
3902 {
3903 FILE *fp;
3904 if (strcmp(optarg, "-") == 0) {
3905 fp = stdout;
3906 } else {
3907 fp = fopen(optarg, "w");
3908 if (fp == NULL) {
3909 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3910 exit(1);
3911 }
3912 }
3913 qemu_config_write(fp);
3914 if (fp != stdout) {
3915 fclose(fp);
3916 }
3917 break;
3918 }
3919 case QEMU_OPTION_qtest:
3920 qtest_chrdev = optarg;
3921 break;
3922 case QEMU_OPTION_qtest_log:
3923 qtest_log = optarg;
3924 break;
3925 case QEMU_OPTION_sandbox:
3926 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3927 optarg, true);
3928 if (!opts) {
3929 exit(1);
3930 }
3931 break;
3932 case QEMU_OPTION_add_fd:
3933 #ifndef _WIN32
3934 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3935 optarg, false);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 #else
3940 error_report("File descriptor passing is disabled on this "
3941 "platform");
3942 exit(1);
3943 #endif
3944 break;
3945 case QEMU_OPTION_object:
3946 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3947 optarg, true);
3948 if (!opts) {
3949 exit(1);
3950 }
3951 break;
3952 case QEMU_OPTION_realtime:
3953 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3954 optarg, false);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3959 break;
3960 case QEMU_OPTION_msg:
3961 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3962 false);
3963 if (!opts) {
3964 exit(1);
3965 }
3966 configure_msg(opts);
3967 break;
3968 case QEMU_OPTION_dump_vmstate:
3969 if (vmstate_dump_file) {
3970 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3971 "option may be given\n");
3972 exit(1);
3973 }
3974 vmstate_dump_file = fopen(optarg, "w");
3975 if (vmstate_dump_file == NULL) {
3976 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3977 exit(1);
3978 }
3979 break;
3980 default:
3981 os_parse_cmd_args(popt->index, optarg);
3982 }
3983 }
3984 }
3985
3986 opts = qemu_get_machine_opts();
3987 optarg = qemu_opt_get(opts, "type");
3988 if (optarg) {
3989 machine_class = machine_parse(optarg);
3990 }
3991
3992 if (machine_class == NULL) {
3993 fprintf(stderr, "No machine specified, and there is no default.\n"
3994 "Use -machine help to list supported machines!\n");
3995 exit(1);
3996 }
3997
3998 set_memory_options(&ram_slots, &maxram_size, machine_class);
3999
4000 loc_set_none();
4001
4002 os_daemonize();
4003
4004 if (qemu_init_main_loop(&main_loop_err)) {
4005 error_report_err(main_loop_err);
4006 exit(1);
4007 }
4008
4009 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4010 parse_sandbox, NULL, NULL)) {
4011 exit(1);
4012 }
4013
4014 if (qemu_opts_foreach(qemu_find_opts("name"),
4015 parse_name, NULL, NULL)) {
4016 exit(1);
4017 }
4018
4019 #ifndef _WIN32
4020 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4021 parse_add_fd, NULL, NULL)) {
4022 exit(1);
4023 }
4024
4025 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 cleanup_add_fd, NULL, NULL)) {
4027 exit(1);
4028 }
4029 #endif
4030
4031 current_machine = MACHINE(object_new(object_class_get_name(
4032 OBJECT_CLASS(machine_class))));
4033 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4034 exit(0);
4035 }
4036 object_property_add_child(object_get_root(), "machine",
4037 OBJECT(current_machine), &error_abort);
4038 cpu_exec_init_all();
4039
4040 if (machine_class->hw_version) {
4041 qemu_set_version(machine_class->hw_version);
4042 }
4043
4044 /* Init CPU def lists, based on config
4045 * - Must be called after all the qemu_read_config_file() calls
4046 * - Must be called before list_cpus()
4047 * - Must be called before machine->init()
4048 */
4049 cpudef_init();
4050
4051 if (cpu_model && is_help_option(cpu_model)) {
4052 list_cpus(stdout, &fprintf, cpu_model);
4053 exit(0);
4054 }
4055
4056 /* Open the logfile at this point and set the log mask if necessary.
4057 */
4058 if (log_file) {
4059 qemu_set_log_filename(log_file);
4060 }
4061
4062 if (log_mask) {
4063 int mask;
4064 mask = qemu_str_to_log_mask(log_mask);
4065 if (!mask) {
4066 qemu_print_log_usage(stdout);
4067 exit(1);
4068 }
4069 qemu_set_log(mask);
4070 }
4071
4072 if (!is_daemonized()) {
4073 if (!trace_init_backends(trace_events, trace_file)) {
4074 exit(1);
4075 }
4076 }
4077
4078 /* If no data_dir is specified then try to find it relative to the
4079 executable path. */
4080 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4081 data_dir[data_dir_idx] = os_find_datadir();
4082 if (data_dir[data_dir_idx] != NULL) {
4083 data_dir_idx++;
4084 }
4085 }
4086 /* If all else fails use the install path specified when building. */
4087 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4088 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4089 }
4090
4091 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4092
4093 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4094 if (max_cpus > machine_class->max_cpus) {
4095 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4096 "supported by machine `%s' (%d)\n", max_cpus,
4097 machine_class->name, machine_class->max_cpus);
4098 exit(1);
4099 }
4100
4101 /*
4102 * Get the default machine options from the machine if it is not already
4103 * specified either by the configuration file or by the command line.
4104 */
4105 if (machine_class->default_machine_opts) {
4106 qemu_opts_set_defaults(qemu_find_opts("machine"),
4107 machine_class->default_machine_opts, 0);
4108 }
4109
4110 qemu_opts_foreach(qemu_find_opts("device"),
4111 default_driver_check, NULL, NULL);
4112 qemu_opts_foreach(qemu_find_opts("global"),
4113 default_driver_check, NULL, NULL);
4114
4115 if (!vga_model && !default_vga) {
4116 vga_interface_type = VGA_DEVICE;
4117 }
4118 if (!has_defaults || machine_class->no_serial) {
4119 default_serial = 0;
4120 }
4121 if (!has_defaults || machine_class->no_parallel) {
4122 default_parallel = 0;
4123 }
4124 if (!has_defaults || !machine_class->use_virtcon) {
4125 default_virtcon = 0;
4126 }
4127 if (!has_defaults || !machine_class->use_sclp) {
4128 default_sclp = 0;
4129 }
4130 if (!has_defaults || machine_class->no_floppy) {
4131 default_floppy = 0;
4132 }
4133 if (!has_defaults || machine_class->no_cdrom) {
4134 default_cdrom = 0;
4135 }
4136 if (!has_defaults || machine_class->no_sdcard) {
4137 default_sdcard = 0;
4138 }
4139 if (!has_defaults) {
4140 default_monitor = 0;
4141 default_net = 0;
4142 default_vga = 0;
4143 }
4144
4145 if (is_daemonized()) {
4146 /* According to documentation and historically, -nographic redirects
4147 * serial port, parallel port and monitor to stdio, which does not work
4148 * with -daemonize. We can redirect these to null instead, but since
4149 * -nographic is legacy, let's just error out.
4150 * We disallow -nographic only if all other ports are not redirected
4151 * explicitly, to not break existing legacy setups which uses
4152 * -nographic _and_ redirects all ports explicitly - this is valid
4153 * usage, -nographic is just a no-op in this case.
4154 */
4155 if (display_type == DT_NOGRAPHIC
4156 && (default_parallel || default_serial
4157 || default_monitor || default_virtcon)) {
4158 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4159 exit(1);
4160 }
4161 #ifdef CONFIG_CURSES
4162 if (display_type == DT_CURSES) {
4163 fprintf(stderr, "curses display can not be used with -daemonize\n");
4164 exit(1);
4165 }
4166 #endif
4167 }
4168
4169 if (display_type == DT_NOGRAPHIC) {
4170 if (default_parallel)
4171 add_device_config(DEV_PARALLEL, "null");
4172 if (default_serial && default_monitor) {
4173 add_device_config(DEV_SERIAL, "mon:stdio");
4174 } else if (default_virtcon && default_monitor) {
4175 add_device_config(DEV_VIRTCON, "mon:stdio");
4176 } else if (default_sclp && default_monitor) {
4177 add_device_config(DEV_SCLP, "mon:stdio");
4178 } else {
4179 if (default_serial)
4180 add_device_config(DEV_SERIAL, "stdio");
4181 if (default_virtcon)
4182 add_device_config(DEV_VIRTCON, "stdio");
4183 if (default_sclp) {
4184 add_device_config(DEV_SCLP, "stdio");
4185 }
4186 if (default_monitor)
4187 monitor_parse("stdio", "readline", false);
4188 }
4189 } else {
4190 if (default_serial)
4191 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4192 if (default_parallel)
4193 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4194 if (default_monitor)
4195 monitor_parse("vc:80Cx24C", "readline", false);
4196 if (default_virtcon)
4197 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4198 if (default_sclp) {
4199 add_device_config(DEV_SCLP, "vc:80Cx24C");
4200 }
4201 }
4202
4203 #if defined(CONFIG_VNC)
4204 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4205 display_remote++;
4206 }
4207 #endif
4208 if (display_type == DT_DEFAULT && !display_remote) {
4209 #if defined(CONFIG_GTK)
4210 display_type = DT_GTK;
4211 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4212 display_type = DT_SDL;
4213 #elif defined(CONFIG_VNC)
4214 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4215 show_vnc_port = 1;
4216 #else
4217 display_type = DT_NONE;
4218 #endif
4219 }
4220
4221 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4222 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4223 "for SDL, ignoring option\n");
4224 }
4225 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4226 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4227 "ignoring option\n");
4228 }
4229
4230 #if defined(CONFIG_GTK)
4231 if (display_type == DT_GTK) {
4232 early_gtk_display_init(request_opengl);
4233 }
4234 #endif
4235 #if defined(CONFIG_SDL)
4236 if (display_type == DT_SDL) {
4237 sdl_display_early_init(request_opengl);
4238 }
4239 #endif
4240 if (request_opengl == 1 && display_opengl == 0) {
4241 #if defined(CONFIG_OPENGL)
4242 fprintf(stderr, "OpenGL is not supported by the display.\n");
4243 #else
4244 fprintf(stderr, "QEMU was built without opengl support.\n");
4245 #endif
4246 exit(1);
4247 }
4248
4249 socket_init();
4250
4251 if (qemu_opts_foreach(qemu_find_opts("object"),
4252 object_create,
4253 object_create_initial, NULL)) {
4254 exit(1);
4255 }
4256
4257 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4258 chardev_init_func, NULL, NULL)) {
4259 exit(1);
4260 }
4261
4262 #ifdef CONFIG_VIRTFS
4263 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4264 fsdev_init_func, NULL, NULL)) {
4265 exit(1);
4266 }
4267 #endif
4268
4269 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4270 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4271 exit(1);
4272 }
4273
4274 if (qemu_opts_foreach(qemu_find_opts("device"),
4275 device_help_func, NULL, NULL)) {
4276 exit(0);
4277 }
4278
4279 if (qemu_opts_foreach(qemu_find_opts("object"),
4280 object_create,
4281 object_create_delayed, NULL)) {
4282 exit(1);
4283 }
4284
4285 machine_opts = qemu_get_machine_opts();
4286 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4287 NULL)) {
4288 object_unref(OBJECT(current_machine));
4289 exit(1);
4290 }
4291
4292 configure_accelerator(current_machine);
4293
4294 if (qtest_chrdev) {
4295 Error *local_err = NULL;
4296 qtest_init(qtest_chrdev, qtest_log, &local_err);
4297 if (local_err) {
4298 error_report_err(local_err);
4299 exit(1);
4300 }
4301 }
4302
4303 machine_opts = qemu_get_machine_opts();
4304 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4305 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4306 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4307 bios_name = qemu_opt_get(machine_opts, "firmware");
4308
4309 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4310 if (opts) {
4311 Error *local_err = NULL;
4312
4313 boot_order = qemu_opt_get(opts, "order");
4314 if (boot_order) {
4315 validate_bootdevices(boot_order, &local_err);
4316 if (local_err) {
4317 error_report_err(local_err);
4318 exit(1);
4319 }
4320 }
4321
4322 boot_once = qemu_opt_get(opts, "once");
4323 if (boot_once) {
4324 validate_bootdevices(boot_once, &local_err);
4325 if (local_err) {
4326 error_report_err(local_err);
4327 exit(1);
4328 }
4329 }
4330
4331 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4332 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4333 }
4334
4335 if (!boot_order) {
4336 boot_order = machine_class->default_boot_order;
4337 }
4338
4339 if (!kernel_cmdline) {
4340 kernel_cmdline = "";
4341 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4342 }
4343
4344 linux_boot = (kernel_filename != NULL);
4345
4346 if (!linux_boot && *kernel_cmdline != '\0') {
4347 fprintf(stderr, "-append only allowed with -kernel option\n");
4348 exit(1);
4349 }
4350
4351 if (!linux_boot && initrd_filename != NULL) {
4352 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4353 exit(1);
4354 }
4355
4356 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4357 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4358 exit(1);
4359 }
4360
4361 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4362 /* fall back to the -kernel/-append */
4363 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4364 }
4365
4366 os_set_line_buffering();
4367
4368 #ifdef CONFIG_SPICE
4369 /* spice needs the timers to be initialized by this point */
4370 qemu_spice_init();
4371 #endif
4372
4373 cpu_ticks_init();
4374 if (icount_opts) {
4375 if (kvm_enabled() || xen_enabled()) {
4376 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4377 exit(1);
4378 }
4379 configure_icount(icount_opts, &error_abort);
4380 qemu_opts_del(icount_opts);
4381 }
4382
4383 /* clean up network at qemu process termination */
4384 atexit(&net_cleanup);
4385
4386 if (net_init_clients() < 0) {
4387 exit(1);
4388 }
4389
4390 #ifdef CONFIG_TPM
4391 if (tpm_init() < 0) {
4392 exit(1);
4393 }
4394 #endif
4395
4396 /* init the bluetooth world */
4397 if (foreach_device_config(DEV_BT, bt_parse))
4398 exit(1);
4399
4400 if (!xen_enabled()) {
4401 /* On 32-bit hosts, QEMU is limited by virtual address space */
4402 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4403 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4404 exit(1);
4405 }
4406 }
4407
4408 blk_mig_init();
4409 ram_mig_init();
4410
4411 /* If the currently selected machine wishes to override the units-per-bus
4412 * property of its default HBA interface type, do so now. */
4413 if (machine_class->units_per_default_bus) {
4414 override_max_devs(machine_class->block_default_type,
4415 machine_class->units_per_default_bus);
4416 }
4417
4418 /* open the virtual block devices */
4419 if (snapshot)
4420 qemu_opts_foreach(qemu_find_opts("drive"),
4421 drive_enable_snapshot, NULL, NULL);
4422 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4423 &machine_class->block_default_type, NULL)) {
4424 exit(1);
4425 }
4426
4427 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4428 CDROM_OPTS);
4429 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4430 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4431
4432 parse_numa_opts(machine_class);
4433
4434 if (qemu_opts_foreach(qemu_find_opts("mon"),
4435 mon_init_func, NULL, NULL)) {
4436 exit(1);
4437 }
4438
4439 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4440 exit(1);
4441 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4442 exit(1);
4443 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4444 exit(1);
4445 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4446 exit(1);
4447 }
4448 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4449 exit(1);
4450
4451 /* If no default VGA is requested, the default is "none". */
4452 if (default_vga) {
4453 if (machine_class->default_display) {
4454 vga_model = machine_class->default_display;
4455 } else if (cirrus_vga_available()) {
4456 vga_model = "cirrus";
4457 } else if (vga_available()) {
4458 vga_model = "std";
4459 }
4460 }
4461 if (vga_model) {
4462 select_vgahw(vga_model);
4463 }
4464
4465 if (watchdog) {
4466 i = select_watchdog(watchdog);
4467 if (i > 0)
4468 exit (i == 1 ? 1 : 0);
4469 }
4470
4471 if (machine_class->compat_props) {
4472 qdev_prop_register_global_list(machine_class->compat_props);
4473 }
4474 qemu_add_globals();
4475
4476 qdev_machine_init();
4477
4478 current_machine->ram_size = ram_size;
4479 current_machine->maxram_size = maxram_size;
4480 current_machine->ram_slots = ram_slots;
4481 current_machine->boot_order = boot_order;
4482 current_machine->cpu_model = cpu_model;
4483
4484 machine_class->init(current_machine);
4485
4486 realtime_init();
4487
4488 audio_init();
4489
4490 cpu_synchronize_all_post_init();
4491
4492 numa_post_machine_init();
4493
4494 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4495 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4496 exit(1);
4497 }
4498
4499 /* init USB devices */
4500 if (usb_enabled()) {
4501 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4502 exit(1);
4503 }
4504
4505 /* init generic devices */
4506 if (qemu_opts_foreach(qemu_find_opts("device"),
4507 device_init_func, NULL, NULL)) {
4508 exit(1);
4509 }
4510
4511 /* Did we create any drives that we failed to create a device for? */
4512 drive_check_orphaned();
4513
4514 net_check_clients();
4515
4516 if (boot_once) {
4517 Error *local_err = NULL;
4518 qemu_boot_set(boot_once, &local_err);
4519 if (local_err) {
4520 error_report("%s", error_get_pretty(local_err));
4521 exit(1);
4522 }
4523 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4524 }
4525
4526 ds = init_displaystate();
4527
4528 /* init local displays */
4529 switch (display_type) {
4530 case DT_NOGRAPHIC:
4531 (void)ds; /* avoid warning if no display is configured */
4532 break;
4533 #if defined(CONFIG_CURSES)
4534 case DT_CURSES:
4535 curses_display_init(ds, full_screen);
4536 break;
4537 #endif
4538 #if defined(CONFIG_SDL)
4539 case DT_SDL:
4540 sdl_display_init(ds, full_screen, no_frame);
4541 break;
4542 #elif defined(CONFIG_COCOA)
4543 case DT_SDL:
4544 cocoa_display_init(ds, full_screen);
4545 break;
4546 #endif
4547 #if defined(CONFIG_GTK)
4548 case DT_GTK:
4549 gtk_display_init(ds, full_screen, grab_on_hover);
4550 break;
4551 #endif
4552 default:
4553 break;
4554 }
4555
4556 /* must be after terminal init, SDL library changes signal handlers */
4557 os_setup_signal_handling();
4558
4559 #ifdef CONFIG_VNC
4560 /* init remote displays */
4561 qemu_opts_foreach(qemu_find_opts("vnc"),
4562 vnc_init_func, NULL, NULL);
4563 if (show_vnc_port) {
4564 char *ret = vnc_display_local_addr("default");
4565 printf("VNC server running on `%s'\n", ret);
4566 g_free(ret);
4567 }
4568 #endif
4569 #ifdef CONFIG_SPICE
4570 if (using_spice) {
4571 qemu_spice_display_init();
4572 }
4573 #endif
4574
4575 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4576 exit(1);
4577 }
4578
4579 qdev_machine_creation_done();
4580
4581 if (rom_load_all() != 0) {
4582 fprintf(stderr, "rom loading failed\n");
4583 exit(1);
4584 }
4585
4586 /* TODO: once all bus devices are qdevified, this should be done
4587 * when bus is created by qdev.c */
4588 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4589 qemu_run_machine_init_done_notifiers();
4590
4591 /* Done notifiers can load ROMs */
4592 rom_load_done();
4593
4594 qemu_system_reset(VMRESET_SILENT);
4595 if (loadvm) {
4596 if (load_vmstate(loadvm) < 0) {
4597 autostart = 0;
4598 }
4599 }
4600
4601 qdev_prop_check_globals();
4602 if (vmstate_dump_file) {
4603 /* dump and exit */
4604 dump_vmstate_json_to_file(vmstate_dump_file);
4605 return 0;
4606 }
4607
4608 if (incoming) {
4609 Error *local_err = NULL;
4610 qemu_start_incoming_migration(incoming, &local_err);
4611 if (local_err) {
4612 error_report("-incoming %s: %s", incoming,
4613 error_get_pretty(local_err));
4614 error_free(local_err);
4615 exit(1);
4616 }
4617 } else if (autostart) {
4618 vm_start();
4619 }
4620
4621 os_setup_post();
4622
4623 if (is_daemonized()) {
4624 if (!trace_init_backends(trace_events, trace_file)) {
4625 exit(1);
4626 }
4627 }
4628
4629 main_loop();
4630 bdrv_close_all();
4631 pause_all_vcpus();
4632 res_free();
4633 #ifdef CONFIG_TPM
4634 tpm_cleanup();
4635 #endif
4636
4637 return 0;
4638 }
AR7 emulation for QEMU