?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
target-arm: Split DISAS_YIELD from DISAS_WFE
[qemu/ar7.git] / vl.c
blob69ad90c87f7fd7f0c7be21305b04700040817c4a
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int request_opengl = -1;
134 int display_opengl;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 #ifdef CONFIG_GTK
152 static bool grab_on_hover;
153 #endif
154 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
155 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
156 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus = 1;
161 int max_cpus = 0;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
191 uint8_t qemu_uuid[16];
192 bool qemu_uuid_set;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203
204 static int has_defaults = 1;
205 static int default_serial = 1;
206 static int default_parallel = 1;
207 static int default_virtcon = 1;
208 static int default_sclp = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
235 { .driver = "virtio-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_trace_opts = {
270 .name = "trace",
271 .implied_opt_name = "trace",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
273 .desc = {
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 }, {
474 .name = "sleep",
475 .type = QEMU_OPT_BOOL,
476 },
477 { /* end of list */ }
478 },
479 };
480
481 static QemuOptsList qemu_semihosting_config_opts = {
482 .name = "semihosting-config",
483 .implied_opt_name = "enable",
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
485 .desc = {
486 {
487 .name = "enable",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "target",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "arg",
494 .type = QEMU_OPT_STRING,
495 },
496 { /* end of list */ }
497 },
498 };
499
500 static QemuOptsList qemu_fw_cfg_opts = {
501 .name = "fw_cfg",
502 .implied_opt_name = "name",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
504 .desc = {
505 {
506 .name = "name",
507 .type = QEMU_OPT_STRING,
508 .help = "Sets the fw_cfg name of the blob to be inserted",
509 }, {
510 .name = "file",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets the name of the file from which\n"
513 "the fw_cfg blob will be loaded",
514 },
515 { /* end of list */ }
516 },
517 };
518
519 /**
520 * Get machine options
521 *
522 * Returns: machine options (never null).
523 */
524 QemuOpts *qemu_get_machine_opts(void)
525 {
526 return qemu_find_opts_singleton("machine");
527 }
528
529 const char *qemu_get_vm_name(void)
530 {
531 return qemu_name;
532 }
533
534 static void res_free(void)
535 {
536 if (boot_splash_filedata != NULL) {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540 }
541
542 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
543 {
544 const char *driver = qemu_opt_get(opts, "driver");
545 int i;
546
547 if (!driver)
548 return 0;
549 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
550 if (strcmp(default_list[i].driver, driver) != 0)
551 continue;
552 *(default_list[i].flag) = 0;
553 }
554 return 0;
555 }
556
557 /***********************************************************/
558 /* QEMU state */
559
560 static RunState current_run_state = RUN_STATE_PRELAUNCH;
561
562 /* We use RUN_STATE_MAX but any invalid value will do */
563 static RunState vmstop_requested = RUN_STATE_MAX;
564 static QemuMutex vmstop_lock;
565
566 typedef struct {
567 RunState from;
568 RunState to;
569 } RunStateTransition;
570
571 static const RunStateTransition runstate_transitions_def[] = {
572 /* from -> to */
573 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
574 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575
576 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
580 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
581
582 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
583 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
584
585 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
586 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
587
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
590
591 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
594
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
596 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
597
598 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
599
600 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
601 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
603 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
604 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
605 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
607 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
608 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
609 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
610
611 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
612
613 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
614 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
615
616 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
617 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
618 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
619 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
622 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
623
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
625 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
626
627 { RUN_STATE_MAX, RUN_STATE_MAX },
628 };
629
630 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
631
632 bool runstate_check(RunState state)
633 {
634 return current_run_state == state;
635 }
636
637 static void runstate_init(void)
638 {
639 const RunStateTransition *p;
640
641 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
642 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
643 runstate_valid_transitions[p->from][p->to] = true;
644 }
645
646 qemu_mutex_init(&vmstop_lock);
647 }
648
649 /* This function will abort() on invalid state transitions */
650 void runstate_set(RunState new_state)
651 {
652 assert(new_state < RUN_STATE_MAX);
653
654 if (!runstate_valid_transitions[current_run_state][new_state]) {
655 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
656 RunState_lookup[current_run_state],
657 RunState_lookup[new_state]);
658 abort();
659 }
660 trace_runstate_set(new_state);
661 current_run_state = new_state;
662 }
663
664 int runstate_is_running(void)
665 {
666 return runstate_check(RUN_STATE_RUNNING);
667 }
668
669 bool runstate_needs_reset(void)
670 {
671 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
672 runstate_check(RUN_STATE_SHUTDOWN);
673 }
674
675 StatusInfo *qmp_query_status(Error **errp)
676 {
677 StatusInfo *info = g_malloc0(sizeof(*info));
678
679 info->running = runstate_is_running();
680 info->singlestep = singlestep;
681 info->status = current_run_state;
682
683 return info;
684 }
685
686 static bool qemu_vmstop_requested(RunState *r)
687 {
688 qemu_mutex_lock(&vmstop_lock);
689 *r = vmstop_requested;
690 vmstop_requested = RUN_STATE_MAX;
691 qemu_mutex_unlock(&vmstop_lock);
692 return *r < RUN_STATE_MAX;
693 }
694
695 void qemu_system_vmstop_request_prepare(void)
696 {
697 qemu_mutex_lock(&vmstop_lock);
698 }
699
700 void qemu_system_vmstop_request(RunState state)
701 {
702 vmstop_requested = state;
703 qemu_mutex_unlock(&vmstop_lock);
704 qemu_notify_event();
705 }
706
707 void vm_start(void)
708 {
709 RunState requested;
710
711 qemu_vmstop_requested(&requested);
712 if (runstate_is_running() && requested == RUN_STATE_MAX) {
713 return;
714 }
715
716 /* Ensure that a STOP/RESUME pair of events is emitted if a
717 * vmstop request was pending. The BLOCK_IO_ERROR event, for
718 * example, according to documentation is always followed by
719 * the STOP event.
720 */
721 if (runstate_is_running()) {
722 qapi_event_send_stop(&error_abort);
723 } else {
724 cpu_enable_ticks();
725 runstate_set(RUN_STATE_RUNNING);
726 vm_state_notify(1, RUN_STATE_RUNNING);
727 resume_all_vcpus();
728 }
729
730 qapi_event_send_resume(&error_abort);
731 }
732
733
734 /***********************************************************/
735 /* real time host monotonic timer */
736
737 static time_t qemu_time(void)
738 {
739 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
740 }
741
742 /***********************************************************/
743 /* host time/date access */
744 void qemu_get_timedate(struct tm *tm, int offset)
745 {
746 time_t ti = qemu_time();
747
748 ti += offset;
749 if (rtc_date_offset == -1) {
750 if (rtc_utc)
751 gmtime_r(&ti, tm);
752 else
753 localtime_r(&ti, tm);
754 } else {
755 ti -= rtc_date_offset;
756 gmtime_r(&ti, tm);
757 }
758 }
759
760 int qemu_timedate_diff(struct tm *tm)
761 {
762 time_t seconds;
763
764 if (rtc_date_offset == -1)
765 if (rtc_utc)
766 seconds = mktimegm(tm);
767 else {
768 struct tm tmp = *tm;
769 tmp.tm_isdst = -1; /* use timezone to figure it out */
770 seconds = mktime(&tmp);
771 }
772 else
773 seconds = mktimegm(tm) + rtc_date_offset;
774
775 return seconds - qemu_time();
776 }
777
778 static void configure_rtc_date_offset(const char *startdate, int legacy)
779 {
780 time_t rtc_start_date;
781 struct tm tm;
782
783 if (!strcmp(startdate, "now") && legacy) {
784 rtc_date_offset = -1;
785 } else {
786 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
787 &tm.tm_year,
788 &tm.tm_mon,
789 &tm.tm_mday,
790 &tm.tm_hour,
791 &tm.tm_min,
792 &tm.tm_sec) == 6) {
793 /* OK */
794 } else if (sscanf(startdate, "%d-%d-%d",
795 &tm.tm_year,
796 &tm.tm_mon,
797 &tm.tm_mday) == 3) {
798 tm.tm_hour = 0;
799 tm.tm_min = 0;
800 tm.tm_sec = 0;
801 } else {
802 goto date_fail;
803 }
804 tm.tm_year -= 1900;
805 tm.tm_mon--;
806 rtc_start_date = mktimegm(&tm);
807 if (rtc_start_date == -1) {
808 date_fail:
809 fprintf(stderr, "Invalid date format. Valid formats are:\n"
810 "'2006-06-17T16:01:21' or '2006-06-17'\n");
811 exit(1);
812 }
813 rtc_date_offset = qemu_time() - rtc_start_date;
814 }
815 }
816
817 static void configure_rtc(QemuOpts *opts)
818 {
819 const char *value;
820
821 value = qemu_opt_get(opts, "base");
822 if (value) {
823 if (!strcmp(value, "utc")) {
824 rtc_utc = 1;
825 } else if (!strcmp(value, "localtime")) {
826 rtc_utc = 0;
827 } else {
828 configure_rtc_date_offset(value, 0);
829 }
830 }
831 value = qemu_opt_get(opts, "clock");
832 if (value) {
833 if (!strcmp(value, "host")) {
834 rtc_clock = QEMU_CLOCK_HOST;
835 } else if (!strcmp(value, "rt")) {
836 rtc_clock = QEMU_CLOCK_REALTIME;
837 } else if (!strcmp(value, "vm")) {
838 rtc_clock = QEMU_CLOCK_VIRTUAL;
839 } else {
840 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
841 exit(1);
842 }
843 }
844 value = qemu_opt_get(opts, "driftfix");
845 if (value) {
846 if (!strcmp(value, "slew")) {
847 static GlobalProperty slew_lost_ticks[] = {
848 {
849 .driver = "mc146818rtc",
850 .property = "lost_tick_policy",
851 .value = "slew",
852 },
853 { /* end of list */ }
854 };
855
856 qdev_prop_register_global_list(slew_lost_ticks);
857 } else if (!strcmp(value, "none")) {
858 /* discard is default */
859 } else {
860 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
861 exit(1);
862 }
863 }
864 }
865
866 /***********************************************************/
867 /* Bluetooth support */
868 static int nb_hcis;
869 static int cur_hci;
870 static struct HCIInfo *hci_table[MAX_NICS];
871
872 struct HCIInfo *qemu_next_hci(void)
873 {
874 if (cur_hci == nb_hcis)
875 return &null_hci;
876
877 return hci_table[cur_hci++];
878 }
879
880 static int bt_hci_parse(const char *str)
881 {
882 struct HCIInfo *hci;
883 bdaddr_t bdaddr;
884
885 if (nb_hcis >= MAX_NICS) {
886 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
887 return -1;
888 }
889
890 hci = hci_init(str);
891 if (!hci)
892 return -1;
893
894 bdaddr.b[0] = 0x52;
895 bdaddr.b[1] = 0x54;
896 bdaddr.b[2] = 0x00;
897 bdaddr.b[3] = 0x12;
898 bdaddr.b[4] = 0x34;
899 bdaddr.b[5] = 0x56 + nb_hcis;
900 hci->bdaddr_set(hci, bdaddr.b);
901
902 hci_table[nb_hcis++] = hci;
903
904 return 0;
905 }
906
907 static void bt_vhci_add(int vlan_id)
908 {
909 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
910
911 if (!vlan->slave)
912 fprintf(stderr, "qemu: warning: adding a VHCI to "
913 "an empty scatternet %i\n", vlan_id);
914
915 bt_vhci_init(bt_new_hci(vlan));
916 }
917
918 static struct bt_device_s *bt_device_add(const char *opt)
919 {
920 struct bt_scatternet_s *vlan;
921 int vlan_id = 0;
922 char *endp = strstr(opt, ",vlan=");
923 int len = (endp ? endp - opt : strlen(opt)) + 1;
924 char devname[10];
925
926 pstrcpy(devname, MIN(sizeof(devname), len), opt);
927
928 if (endp) {
929 vlan_id = strtol(endp + 6, &endp, 0);
930 if (*endp) {
931 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
932 return 0;
933 }
934 }
935
936 vlan = qemu_find_bt_vlan(vlan_id);
937
938 if (!vlan->slave)
939 fprintf(stderr, "qemu: warning: adding a slave device to "
940 "an empty scatternet %i\n", vlan_id);
941
942 if (!strcmp(devname, "keyboard"))
943 return bt_keyboard_init(vlan);
944
945 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
946 return 0;
947 }
948
949 static int bt_parse(const char *opt)
950 {
951 const char *endp, *p;
952 int vlan;
953
954 if (strstart(opt, "hci", &endp)) {
955 if (!*endp || *endp == ',') {
956 if (*endp)
957 if (!strstart(endp, ",vlan=", 0))
958 opt = endp + 1;
959
960 return bt_hci_parse(opt);
961 }
962 } else if (strstart(opt, "vhci", &endp)) {
963 if (!*endp || *endp == ',') {
964 if (*endp) {
965 if (strstart(endp, ",vlan=", &p)) {
966 vlan = strtol(p, (char **) &endp, 0);
967 if (*endp) {
968 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
969 return 1;
970 }
971 } else {
972 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
973 return 1;
974 }
975 } else
976 vlan = 0;
977
978 bt_vhci_add(vlan);
979 return 0;
980 }
981 } else if (strstart(opt, "device:", &endp))
982 return !bt_device_add(endp);
983
984 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
985 return 1;
986 }
987
988 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
989 {
990 /* FIXME: change this to true for 1.3 */
991 if (qemu_opt_get_bool(opts, "enable", false)) {
992 #ifdef CONFIG_SECCOMP
993 if (seccomp_start() < 0) {
994 error_report("failed to install seccomp syscall filter "
995 "in the kernel");
996 return -1;
997 }
998 #else
999 error_report("sandboxing request but seccomp is not compiled "
1000 "into this build");
1001 return -1;
1002 #endif
1003 }
1004
1005 return 0;
1006 }
1007
1008 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1009 {
1010 const char *proc_name;
1011
1012 if (qemu_opt_get(opts, "debug-threads")) {
1013 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1014 }
1015 qemu_name = qemu_opt_get(opts, "guest");
1016
1017 proc_name = qemu_opt_get(opts, "process");
1018 if (proc_name) {
1019 os_set_proc_name(proc_name);
1020 }
1021
1022 return 0;
1023 }
1024
1025 bool defaults_enabled(void)
1026 {
1027 return has_defaults;
1028 }
1029
1030 bool usb_enabled(void)
1031 {
1032 return machine_usb(current_machine);
1033 }
1034
1035 #ifndef _WIN32
1036 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1037 {
1038 int fd, dupfd, flags;
1039 int64_t fdset_id;
1040 const char *fd_opaque = NULL;
1041 AddfdInfo *fdinfo;
1042
1043 fd = qemu_opt_get_number(opts, "fd", -1);
1044 fdset_id = qemu_opt_get_number(opts, "set", -1);
1045 fd_opaque = qemu_opt_get(opts, "opaque");
1046
1047 if (fd < 0) {
1048 error_report("fd option is required and must be non-negative");
1049 return -1;
1050 }
1051
1052 if (fd <= STDERR_FILENO) {
1053 error_report("fd cannot be a standard I/O stream");
1054 return -1;
1055 }
1056
1057 /*
1058 * All fds inherited across exec() necessarily have FD_CLOEXEC
1059 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1060 */
1061 flags = fcntl(fd, F_GETFD);
1062 if (flags == -1 || (flags & FD_CLOEXEC)) {
1063 error_report("fd is not valid or already in use");
1064 return -1;
1065 }
1066
1067 if (fdset_id < 0) {
1068 error_report("set option is required and must be non-negative");
1069 return -1;
1070 }
1071
1072 #ifdef F_DUPFD_CLOEXEC
1073 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1074 #else
1075 dupfd = dup(fd);
1076 if (dupfd != -1) {
1077 qemu_set_cloexec(dupfd);
1078 }
1079 #endif
1080 if (dupfd == -1) {
1081 error_report("Error duplicating fd: %s", strerror(errno));
1082 return -1;
1083 }
1084
1085 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1086 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1087 &error_abort);
1088 g_free(fdinfo);
1089
1090 return 0;
1091 }
1092
1093 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1094 {
1095 int fd;
1096
1097 fd = qemu_opt_get_number(opts, "fd", -1);
1098 close(fd);
1099
1100 return 0;
1101 }
1102 #endif
1103
1104 /***********************************************************/
1105 /* QEMU Block devices */
1106
1107 #define HD_OPTS "media=disk"
1108 #define CDROM_OPTS "media=cdrom"
1109 #define FD_OPTS ""
1110 #define PFLASH_OPTS ""
1111 #define MTD_OPTS ""
1112 #define SD_OPTS ""
1113
1114 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1115 {
1116 BlockInterfaceType *block_default_type = opaque;
1117
1118 return drive_new(opts, *block_default_type) == NULL;
1119 }
1120
1121 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1122 {
1123 if (qemu_opt_get(opts, "snapshot") == NULL) {
1124 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1125 }
1126 return 0;
1127 }
1128
1129 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1130 int index, const char *optstr)
1131 {
1132 QemuOpts *opts;
1133 DriveInfo *dinfo;
1134
1135 if (!enable || drive_get_by_index(type, index)) {
1136 return;
1137 }
1138
1139 opts = drive_add(type, index, NULL, optstr);
1140 if (snapshot) {
1141 drive_enable_snapshot(NULL, opts, NULL);
1142 }
1143
1144 dinfo = drive_new(opts, type);
1145 if (!dinfo) {
1146 exit(1);
1147 }
1148 dinfo->is_default = true;
1149
1150 }
1151
1152 static QemuOptsList qemu_smp_opts = {
1153 .name = "smp-opts",
1154 .implied_opt_name = "cpus",
1155 .merge_lists = true,
1156 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1157 .desc = {
1158 {
1159 .name = "cpus",
1160 .type = QEMU_OPT_NUMBER,
1161 }, {
1162 .name = "sockets",
1163 .type = QEMU_OPT_NUMBER,
1164 }, {
1165 .name = "cores",
1166 .type = QEMU_OPT_NUMBER,
1167 }, {
1168 .name = "threads",
1169 .type = QEMU_OPT_NUMBER,
1170 }, {
1171 .name = "maxcpus",
1172 .type = QEMU_OPT_NUMBER,
1173 },
1174 { /*End of list */ }
1175 },
1176 };
1177
1178 static void smp_parse(QemuOpts *opts)
1179 {
1180 if (opts) {
1181
1182 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1183 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1184 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1185 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1186
1187 /* compute missing values, prefer sockets over cores over threads */
1188 if (cpus == 0 || sockets == 0) {
1189 sockets = sockets > 0 ? sockets : 1;
1190 cores = cores > 0 ? cores : 1;
1191 threads = threads > 0 ? threads : 1;
1192 if (cpus == 0) {
1193 cpus = cores * threads * sockets;
1194 }
1195 } else if (cores == 0) {
1196 threads = threads > 0 ? threads : 1;
1197 cores = cpus / (sockets * threads);
1198 } else if (threads == 0) {
1199 threads = cpus / (cores * sockets);
1200 } else if (sockets * cores * threads < cpus) {
1201 fprintf(stderr, "cpu topology: error: "
1202 "sockets (%u) * cores (%u) * threads (%u) < "
1203 "smp_cpus (%u)\n",
1204 sockets, cores, threads, cpus);
1205 exit(1);
1206 }
1207
1208 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1209
1210 smp_cpus = cpus;
1211 smp_cores = cores > 0 ? cores : 1;
1212 smp_threads = threads > 0 ? threads : 1;
1213
1214 }
1215
1216 if (max_cpus == 0) {
1217 max_cpus = smp_cpus;
1218 }
1219
1220 if (max_cpus > MAX_CPUMASK_BITS) {
1221 fprintf(stderr, "Unsupported number of maxcpus\n");
1222 exit(1);
1223 }
1224 if (max_cpus < smp_cpus) {
1225 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1226 exit(1);
1227 }
1228
1229 }
1230
1231 static void realtime_init(void)
1232 {
1233 if (enable_mlock) {
1234 if (os_mlock() < 0) {
1235 fprintf(stderr, "qemu: locking memory failed\n");
1236 exit(1);
1237 }
1238 }
1239 }
1240
1241
1242 static void configure_msg(QemuOpts *opts)
1243 {
1244 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1245 }
1246
1247 /***********************************************************/
1248 /* Semihosting */
1249
1250 typedef struct SemihostingConfig {
1251 bool enabled;
1252 SemihostingTarget target;
1253 const char **argv;
1254 int argc;
1255 const char *cmdline; /* concatenated argv */
1256 } SemihostingConfig;
1257
1258 static SemihostingConfig semihosting;
1259
1260 bool semihosting_enabled(void)
1261 {
1262 return semihosting.enabled;
1263 }
1264
1265 SemihostingTarget semihosting_get_target(void)
1266 {
1267 return semihosting.target;
1268 }
1269
1270 const char *semihosting_get_arg(int i)
1271 {
1272 if (i >= semihosting.argc) {
1273 return NULL;
1274 }
1275 return semihosting.argv[i];
1276 }
1277
1278 int semihosting_get_argc(void)
1279 {
1280 return semihosting.argc;
1281 }
1282
1283 const char *semihosting_get_cmdline(void)
1284 {
1285 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1286 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1287 }
1288 return semihosting.cmdline;
1289 }
1290
1291 static int add_semihosting_arg(void *opaque,
1292 const char *name, const char *val,
1293 Error **errp)
1294 {
1295 SemihostingConfig *s = opaque;
1296 if (strcmp(name, "arg") == 0) {
1297 s->argc++;
1298 /* one extra element as g_strjoinv() expects NULL-terminated array */
1299 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1300 s->argv[s->argc - 1] = val;
1301 s->argv[s->argc] = NULL;
1302 }
1303 return 0;
1304 }
1305
1306 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1307 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1308 {
1309 char *cmd_token;
1310
1311 /* argv[0] */
1312 add_semihosting_arg(&semihosting, "arg", file, NULL);
1313
1314 /* split -append and initialize argv[1..n] */
1315 cmd_token = strtok(g_strdup(cmd), " ");
1316 while (cmd_token) {
1317 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1318 cmd_token = strtok(NULL, " ");
1319 }
1320 }
1321
1322 /***********************************************************/
1323 /* USB devices */
1324
1325 static int usb_device_add(const char *devname)
1326 {
1327 USBDevice *dev = NULL;
1328 #ifndef CONFIG_LINUX
1329 const char *p;
1330 #endif
1331
1332 if (!usb_enabled()) {
1333 return -1;
1334 }
1335
1336 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1337 dev = usbdevice_create(devname);
1338 if (dev)
1339 goto done;
1340
1341 /* the other ones */
1342 #ifndef CONFIG_LINUX
1343 /* only the linux version is qdev-ified, usb-bsd still needs this */
1344 if (strstart(devname, "host:", &p)) {
1345 dev = usb_host_device_open(usb_bus_find(-1), p);
1346 }
1347 #endif
1348 if (!dev)
1349 return -1;
1350
1351 done:
1352 return 0;
1353 }
1354
1355 static int usb_device_del(const char *devname)
1356 {
1357 int bus_num, addr;
1358 const char *p;
1359
1360 if (strstart(devname, "host:", &p)) {
1361 return -1;
1362 }
1363
1364 if (!usb_enabled()) {
1365 return -1;
1366 }
1367
1368 p = strchr(devname, '.');
1369 if (!p)
1370 return -1;
1371 bus_num = strtoul(devname, NULL, 0);
1372 addr = strtoul(p + 1, NULL, 0);
1373
1374 return usb_device_delete_addr(bus_num, addr);
1375 }
1376
1377 static int usb_parse(const char *cmdline)
1378 {
1379 int r;
1380 r = usb_device_add(cmdline);
1381 if (r < 0) {
1382 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1383 }
1384 return r;
1385 }
1386
1387 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1388 {
1389 const char *devname = qdict_get_str(qdict, "devname");
1390 if (usb_device_add(devname) < 0) {
1391 error_report("could not add USB device '%s'", devname);
1392 }
1393 }
1394
1395 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1396 {
1397 const char *devname = qdict_get_str(qdict, "devname");
1398 if (usb_device_del(devname) < 0) {
1399 error_report("could not delete USB device '%s'", devname);
1400 }
1401 }
1402
1403 /***********************************************************/
1404 /* machine registration */
1405
1406 MachineState *current_machine;
1407
1408 /*
1409 * Transitional class registration/init used for converting from
1410 * legacy QEMUMachine to MachineClass.
1411 */
1412 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1413 {
1414 MachineClass *mc = MACHINE_CLASS(oc);
1415 QEMUMachine *qm = data;
1416 mc->name = qm->name;
1417 mc->desc = qm->desc;
1418 mc->init = qm->init;
1419 mc->kvm_type = qm->kvm_type;
1420 mc->block_default_type = qm->block_default_type;
1421 mc->max_cpus = qm->max_cpus;
1422 mc->no_sdcard = qm->no_sdcard;
1423 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1424 mc->is_default = qm->is_default;
1425 mc->default_machine_opts = qm->default_machine_opts;
1426 mc->default_boot_order = qm->default_boot_order;
1427 }
1428
1429 int qemu_register_machine(QEMUMachine *m)
1430 {
1431 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1432 TypeInfo ti = {
1433 .name = name,
1434 .parent = TYPE_MACHINE,
1435 .class_init = qemu_machine_class_init,
1436 .class_data = (void *)m,
1437 };
1438
1439 type_register(&ti);
1440 g_free(name);
1441
1442 return 0;
1443 }
1444
1445 static MachineClass *find_machine(const char *name)
1446 {
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1449
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1452
1453 if (!strcmp(temp->name, name)) {
1454 mc = temp;
1455 break;
1456 }
1457 if (temp->alias &&
1458 !strcmp(temp->alias, name)) {
1459 mc = temp;
1460 break;
1461 }
1462 }
1463
1464 g_slist_free(machines);
1465 return mc;
1466 }
1467
1468 MachineClass *find_default_machine(void)
1469 {
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineClass *mc = NULL;
1472
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *temp = el->data;
1475
1476 if (temp->is_default) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineInfoList *qmp_query_machines(Error **errp)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineInfoList *mach_list = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *mc = el->data;
1493 MachineInfoList *entry;
1494 MachineInfo *info;
1495
1496 info = g_malloc0(sizeof(*info));
1497 if (mc->is_default) {
1498 info->has_is_default = true;
1499 info->is_default = true;
1500 }
1501
1502 if (mc->alias) {
1503 info->has_alias = true;
1504 info->alias = g_strdup(mc->alias);
1505 }
1506
1507 info->name = g_strdup(mc->name);
1508 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1509
1510 entry = g_malloc0(sizeof(*entry));
1511 entry->value = info;
1512 entry->next = mach_list;
1513 mach_list = entry;
1514 }
1515
1516 g_slist_free(machines);
1517 return mach_list;
1518 }
1519
1520 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1521 {
1522 ObjectProperty *prop;
1523
1524 if (!qemu_opt_has_help_opt(opts)) {
1525 return 0;
1526 }
1527
1528 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1529 if (!prop->set) {
1530 continue;
1531 }
1532
1533 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1534 prop->name, prop->type);
1535 if (prop->description) {
1536 error_printf(" (%s)\n", prop->description);
1537 } else {
1538 error_printf("\n");
1539 }
1540 }
1541
1542 return 1;
1543 }
1544
1545 /***********************************************************/
1546 /* main execution loop */
1547
1548 struct vm_change_state_entry {
1549 VMChangeStateHandler *cb;
1550 void *opaque;
1551 QLIST_ENTRY (vm_change_state_entry) entries;
1552 };
1553
1554 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1555
1556 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1557 void *opaque)
1558 {
1559 VMChangeStateEntry *e;
1560
1561 e = g_malloc0(sizeof (*e));
1562
1563 e->cb = cb;
1564 e->opaque = opaque;
1565 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1566 return e;
1567 }
1568
1569 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1570 {
1571 QLIST_REMOVE (e, entries);
1572 g_free (e);
1573 }
1574
1575 void vm_state_notify(int running, RunState state)
1576 {
1577 VMChangeStateEntry *e, *next;
1578
1579 trace_vm_state_notify(running, state);
1580
1581 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1582 e->cb(e->opaque, running, state);
1583 }
1584 }
1585
1586 /* reset/shutdown handler */
1587
1588 typedef struct QEMUResetEntry {
1589 QTAILQ_ENTRY(QEMUResetEntry) entry;
1590 QEMUResetHandler *func;
1591 void *opaque;
1592 } QEMUResetEntry;
1593
1594 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1595 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1596 static int reset_requested;
1597 static int shutdown_requested, shutdown_signal = -1;
1598 static pid_t shutdown_pid;
1599 static int powerdown_requested;
1600 static int debug_requested;
1601 static int suspend_requested;
1602 static WakeupReason wakeup_reason;
1603 static NotifierList powerdown_notifiers =
1604 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1605 static NotifierList suspend_notifiers =
1606 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1607 static NotifierList wakeup_notifiers =
1608 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1609 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1610
1611 int qemu_shutdown_requested_get(void)
1612 {
1613 return shutdown_requested;
1614 }
1615
1616 int qemu_reset_requested_get(void)
1617 {
1618 return reset_requested;
1619 }
1620
1621 static int qemu_shutdown_requested(void)
1622 {
1623 return atomic_xchg(&shutdown_requested, 0);
1624 }
1625
1626 static void qemu_kill_report(void)
1627 {
1628 if (!qtest_driver() && shutdown_signal != -1) {
1629 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1630 if (shutdown_pid == 0) {
1631 /* This happens for eg ^C at the terminal, so it's worth
1632 * avoiding printing an odd message in that case.
1633 */
1634 fputc('\n', stderr);
1635 } else {
1636 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1637 }
1638 shutdown_signal = -1;
1639 }
1640 }
1641
1642 static int qemu_reset_requested(void)
1643 {
1644 int r = reset_requested;
1645 reset_requested = 0;
1646 return r;
1647 }
1648
1649 static int qemu_suspend_requested(void)
1650 {
1651 int r = suspend_requested;
1652 suspend_requested = 0;
1653 return r;
1654 }
1655
1656 static WakeupReason qemu_wakeup_requested(void)
1657 {
1658 return wakeup_reason;
1659 }
1660
1661 static int qemu_powerdown_requested(void)
1662 {
1663 int r = powerdown_requested;
1664 powerdown_requested = 0;
1665 return r;
1666 }
1667
1668 static int qemu_debug_requested(void)
1669 {
1670 int r = debug_requested;
1671 debug_requested = 0;
1672 return r;
1673 }
1674
1675 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1676 {
1677 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1678
1679 re->func = func;
1680 re->opaque = opaque;
1681 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1682 }
1683
1684 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1685 {
1686 QEMUResetEntry *re;
1687
1688 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1689 if (re->func == func && re->opaque == opaque) {
1690 QTAILQ_REMOVE(&reset_handlers, re, entry);
1691 g_free(re);
1692 return;
1693 }
1694 }
1695 }
1696
1697 void qemu_devices_reset(void)
1698 {
1699 QEMUResetEntry *re, *nre;
1700
1701 /* reset all devices */
1702 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1703 re->func(re->opaque);
1704 }
1705 }
1706
1707 void qemu_system_reset(bool report)
1708 {
1709 MachineClass *mc;
1710
1711 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1712
1713 if (mc && mc->reset) {
1714 mc->reset();
1715 } else {
1716 qemu_devices_reset();
1717 }
1718 if (report) {
1719 qapi_event_send_reset(&error_abort);
1720 }
1721 cpu_synchronize_all_post_reset();
1722 }
1723
1724 void qemu_system_reset_request(void)
1725 {
1726 if (no_reboot) {
1727 shutdown_requested = 1;
1728 } else {
1729 reset_requested = 1;
1730 }
1731 cpu_stop_current();
1732 qemu_notify_event();
1733 }
1734
1735 static void qemu_system_suspend(void)
1736 {
1737 pause_all_vcpus();
1738 notifier_list_notify(&suspend_notifiers, NULL);
1739 runstate_set(RUN_STATE_SUSPENDED);
1740 qapi_event_send_suspend(&error_abort);
1741 }
1742
1743 void qemu_system_suspend_request(void)
1744 {
1745 if (runstate_check(RUN_STATE_SUSPENDED)) {
1746 return;
1747 }
1748 suspend_requested = 1;
1749 cpu_stop_current();
1750 qemu_notify_event();
1751 }
1752
1753 void qemu_register_suspend_notifier(Notifier *notifier)
1754 {
1755 notifier_list_add(&suspend_notifiers, notifier);
1756 }
1757
1758 void qemu_system_wakeup_request(WakeupReason reason)
1759 {
1760 trace_system_wakeup_request(reason);
1761
1762 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1763 return;
1764 }
1765 if (!(wakeup_reason_mask & (1 << reason))) {
1766 return;
1767 }
1768 runstate_set(RUN_STATE_RUNNING);
1769 wakeup_reason = reason;
1770 qemu_notify_event();
1771 }
1772
1773 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1774 {
1775 if (enabled) {
1776 wakeup_reason_mask |= (1 << reason);
1777 } else {
1778 wakeup_reason_mask &= ~(1 << reason);
1779 }
1780 }
1781
1782 void qemu_register_wakeup_notifier(Notifier *notifier)
1783 {
1784 notifier_list_add(&wakeup_notifiers, notifier);
1785 }
1786
1787 void qemu_system_killed(int signal, pid_t pid)
1788 {
1789 shutdown_signal = signal;
1790 shutdown_pid = pid;
1791 no_shutdown = 0;
1792 qemu_system_shutdown_request();
1793 }
1794
1795 void qemu_system_shutdown_request(void)
1796 {
1797 trace_qemu_system_shutdown_request();
1798 shutdown_requested = 1;
1799 qemu_notify_event();
1800 }
1801
1802 static void qemu_system_powerdown(void)
1803 {
1804 qapi_event_send_powerdown(&error_abort);
1805 notifier_list_notify(&powerdown_notifiers, NULL);
1806 }
1807
1808 void qemu_system_powerdown_request(void)
1809 {
1810 trace_qemu_system_powerdown_request();
1811 powerdown_requested = 1;
1812 qemu_notify_event();
1813 }
1814
1815 void qemu_register_powerdown_notifier(Notifier *notifier)
1816 {
1817 notifier_list_add(&powerdown_notifiers, notifier);
1818 }
1819
1820 void qemu_system_debug_request(void)
1821 {
1822 debug_requested = 1;
1823 qemu_notify_event();
1824 }
1825
1826 static bool main_loop_should_exit(void)
1827 {
1828 RunState r;
1829 if (qemu_debug_requested()) {
1830 vm_stop(RUN_STATE_DEBUG);
1831 }
1832 if (qemu_suspend_requested()) {
1833 qemu_system_suspend();
1834 }
1835 if (qemu_shutdown_requested()) {
1836 qemu_kill_report();
1837 qapi_event_send_shutdown(&error_abort);
1838 if (no_shutdown) {
1839 vm_stop(RUN_STATE_SHUTDOWN);
1840 } else {
1841 return true;
1842 }
1843 }
1844 if (qemu_reset_requested()) {
1845 pause_all_vcpus();
1846 cpu_synchronize_all_states();
1847 qemu_system_reset(VMRESET_REPORT);
1848 resume_all_vcpus();
1849 if (runstate_needs_reset()) {
1850 runstate_set(RUN_STATE_PAUSED);
1851 }
1852 }
1853 if (qemu_wakeup_requested()) {
1854 pause_all_vcpus();
1855 cpu_synchronize_all_states();
1856 qemu_system_reset(VMRESET_SILENT);
1857 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1858 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1859 resume_all_vcpus();
1860 qapi_event_send_wakeup(&error_abort);
1861 }
1862 if (qemu_powerdown_requested()) {
1863 qemu_system_powerdown();
1864 }
1865 if (qemu_vmstop_requested(&r)) {
1866 vm_stop(r);
1867 }
1868 return false;
1869 }
1870
1871 static void main_loop(void)
1872 {
1873 bool nonblocking;
1874 int last_io = 0;
1875 #ifdef CONFIG_PROFILER
1876 int64_t ti;
1877 #endif
1878 do {
1879 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1880 #ifdef CONFIG_PROFILER
1881 ti = profile_getclock();
1882 #endif
1883 last_io = main_loop_wait(nonblocking);
1884 #ifdef CONFIG_PROFILER
1885 dev_time += profile_getclock() - ti;
1886 #endif
1887 } while (!main_loop_should_exit());
1888 }
1889
1890 static void version(void)
1891 {
1892 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1893 }
1894
1895 static void help(int exitcode)
1896 {
1897 version();
1898 printf("usage: %s [options] [disk_image]\n\n"
1899 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1900 error_get_progname());
1901
1902 #define QEMU_OPTIONS_GENERATE_HELP
1903 #include "qemu-options-wrapper.h"
1904
1905 printf("\nDuring emulation, the following keys are useful:\n"
1906 "ctrl-alt-f toggle full screen\n"
1907 "ctrl-alt-n switch to virtual console 'n'\n"
1908 "ctrl-alt toggle mouse and keyboard grab\n"
1909 "\n"
1910 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1911
1912 exit(exitcode);
1913 }
1914
1915 #define HAS_ARG 0x0001
1916
1917 typedef struct QEMUOption {
1918 const char *name;
1919 int flags;
1920 int index;
1921 uint32_t arch_mask;
1922 } QEMUOption;
1923
1924 static const QEMUOption qemu_options[] = {
1925 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1926 #define QEMU_OPTIONS_GENERATE_OPTIONS
1927 #include "qemu-options-wrapper.h"
1928 { NULL },
1929 };
1930
1931 static bool vga_available(void)
1932 {
1933 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1934 }
1935
1936 static bool cirrus_vga_available(void)
1937 {
1938 return object_class_by_name("cirrus-vga")
1939 || object_class_by_name("isa-cirrus-vga");
1940 }
1941
1942 static bool vmware_vga_available(void)
1943 {
1944 return object_class_by_name("vmware-svga");
1945 }
1946
1947 static bool qxl_vga_available(void)
1948 {
1949 return object_class_by_name("qxl-vga");
1950 }
1951
1952 static bool tcx_vga_available(void)
1953 {
1954 return object_class_by_name("SUNW,tcx");
1955 }
1956
1957 static bool cg3_vga_available(void)
1958 {
1959 return object_class_by_name("cgthree");
1960 }
1961
1962 static bool virtio_vga_available(void)
1963 {
1964 return object_class_by_name("virtio-vga");
1965 }
1966
1967 static void select_vgahw (const char *p)
1968 {
1969 const char *opts;
1970
1971 assert(vga_interface_type == VGA_NONE);
1972 if (strstart(p, "std", &opts)) {
1973 if (vga_available()) {
1974 vga_interface_type = VGA_STD;
1975 } else {
1976 fprintf(stderr, "Error: standard VGA not available\n");
1977 exit(0);
1978 }
1979 } else if (strstart(p, "cirrus", &opts)) {
1980 if (cirrus_vga_available()) {
1981 vga_interface_type = VGA_CIRRUS;
1982 } else {
1983 fprintf(stderr, "Error: Cirrus VGA not available\n");
1984 exit(0);
1985 }
1986 } else if (strstart(p, "vmware", &opts)) {
1987 if (vmware_vga_available()) {
1988 vga_interface_type = VGA_VMWARE;
1989 } else {
1990 fprintf(stderr, "Error: VMWare SVGA not available\n");
1991 exit(0);
1992 }
1993 } else if (strstart(p, "virtio", &opts)) {
1994 if (virtio_vga_available()) {
1995 vga_interface_type = VGA_VIRTIO;
1996 } else {
1997 fprintf(stderr, "Error: Virtio VGA not available\n");
1998 exit(0);
1999 }
2000 } else if (strstart(p, "xenfb", &opts)) {
2001 vga_interface_type = VGA_XENFB;
2002 } else if (strstart(p, "qxl", &opts)) {
2003 if (qxl_vga_available()) {
2004 vga_interface_type = VGA_QXL;
2005 } else {
2006 fprintf(stderr, "Error: QXL VGA not available\n");
2007 exit(0);
2008 }
2009 } else if (strstart(p, "tcx", &opts)) {
2010 if (tcx_vga_available()) {
2011 vga_interface_type = VGA_TCX;
2012 } else {
2013 fprintf(stderr, "Error: TCX framebuffer not available\n");
2014 exit(0);
2015 }
2016 } else if (strstart(p, "cg3", &opts)) {
2017 if (cg3_vga_available()) {
2018 vga_interface_type = VGA_CG3;
2019 } else {
2020 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2021 exit(0);
2022 }
2023 } else if (!strstart(p, "none", &opts)) {
2024 invalid_vga:
2025 fprintf(stderr, "Unknown vga type: %s\n", p);
2026 exit(1);
2027 }
2028 while (*opts) {
2029 const char *nextopt;
2030
2031 if (strstart(opts, ",retrace=", &nextopt)) {
2032 opts = nextopt;
2033 if (strstart(opts, "dumb", &nextopt))
2034 vga_retrace_method = VGA_RETRACE_DUMB;
2035 else if (strstart(opts, "precise", &nextopt))
2036 vga_retrace_method = VGA_RETRACE_PRECISE;
2037 else goto invalid_vga;
2038 } else goto invalid_vga;
2039 opts = nextopt;
2040 }
2041 }
2042
2043 static DisplayType select_display(const char *p)
2044 {
2045 Error *err = NULL;
2046 const char *opts;
2047 DisplayType display = DT_DEFAULT;
2048
2049 if (strstart(p, "sdl", &opts)) {
2050 #ifdef CONFIG_SDL
2051 display = DT_SDL;
2052 while (*opts) {
2053 const char *nextopt;
2054
2055 if (strstart(opts, ",frame=", &nextopt)) {
2056 opts = nextopt;
2057 if (strstart(opts, "on", &nextopt)) {
2058 no_frame = 0;
2059 } else if (strstart(opts, "off", &nextopt)) {
2060 no_frame = 1;
2061 } else {
2062 goto invalid_sdl_args;
2063 }
2064 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2065 opts = nextopt;
2066 if (strstart(opts, "on", &nextopt)) {
2067 alt_grab = 1;
2068 } else if (strstart(opts, "off", &nextopt)) {
2069 alt_grab = 0;
2070 } else {
2071 goto invalid_sdl_args;
2072 }
2073 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2074 opts = nextopt;
2075 if (strstart(opts, "on", &nextopt)) {
2076 ctrl_grab = 1;
2077 } else if (strstart(opts, "off", &nextopt)) {
2078 ctrl_grab = 0;
2079 } else {
2080 goto invalid_sdl_args;
2081 }
2082 } else if (strstart(opts, ",window_close=", &nextopt)) {
2083 opts = nextopt;
2084 if (strstart(opts, "on", &nextopt)) {
2085 no_quit = 0;
2086 } else if (strstart(opts, "off", &nextopt)) {
2087 no_quit = 1;
2088 } else {
2089 goto invalid_sdl_args;
2090 }
2091 } else if (strstart(opts, ",gl=", &nextopt)) {
2092 opts = nextopt;
2093 if (strstart(opts, "on", &nextopt)) {
2094 request_opengl = 1;
2095 } else if (strstart(opts, "off", &nextopt)) {
2096 request_opengl = 0;
2097 } else {
2098 goto invalid_sdl_args;
2099 }
2100 } else {
2101 invalid_sdl_args:
2102 error_report("Invalid SDL option string");
2103 exit(1);
2104 }
2105 opts = nextopt;
2106 }
2107 #else
2108 error_report("SDL support is disabled");
2109 exit(1);
2110 #endif
2111 } else if (strstart(p, "vnc", &opts)) {
2112 #ifdef CONFIG_VNC
2113 if (*opts == '=') {
2114 if (vnc_parse(opts + 1, &err) == NULL) {
2115 error_report_err(err);
2116 exit(1);
2117 }
2118 } else {
2119 error_report("VNC requires a display argument vnc=<display>");
2120 exit(1);
2121 }
2122 #else
2123 error_report("VNC support is disabled");
2124 exit(1);
2125 #endif
2126 } else if (strstart(p, "curses", &opts)) {
2127 #ifdef CONFIG_CURSES
2128 display = DT_CURSES;
2129 #else
2130 error_report("Curses support is disabled");
2131 exit(1);
2132 #endif
2133 } else if (strstart(p, "gtk", &opts)) {
2134 #ifdef CONFIG_GTK
2135 display = DT_GTK;
2136 while (*opts) {
2137 const char *nextopt;
2138
2139 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2140 opts = nextopt;
2141 if (strstart(opts, "on", &nextopt)) {
2142 grab_on_hover = true;
2143 } else if (strstart(opts, "off", &nextopt)) {
2144 grab_on_hover = false;
2145 } else {
2146 goto invalid_gtk_args;
2147 }
2148 } else if (strstart(opts, ",gl=", &nextopt)) {
2149 opts = nextopt;
2150 if (strstart(opts, "on", &nextopt)) {
2151 request_opengl = 1;
2152 } else if (strstart(opts, "off", &nextopt)) {
2153 request_opengl = 0;
2154 } else {
2155 goto invalid_gtk_args;
2156 }
2157 } else {
2158 invalid_gtk_args:
2159 error_report("Invalid GTK option string");
2160 exit(1);
2161 }
2162 opts = nextopt;
2163 }
2164 #else
2165 error_report("GTK support is disabled");
2166 exit(1);
2167 #endif
2168 } else if (strstart(p, "none", &opts)) {
2169 display = DT_NONE;
2170 } else {
2171 error_report("Unknown display type");
2172 exit(1);
2173 }
2174
2175 return display;
2176 }
2177
2178 static int balloon_parse(const char *arg)
2179 {
2180 QemuOpts *opts;
2181
2182 if (strcmp(arg, "none") == 0) {
2183 return 0;
2184 }
2185
2186 if (!strncmp(arg, "virtio", 6)) {
2187 if (arg[6] == ',') {
2188 /* have params -> parse them */
2189 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2190 false);
2191 if (!opts)
2192 return -1;
2193 } else {
2194 /* create empty opts */
2195 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2196 &error_abort);
2197 }
2198 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2199 return 0;
2200 }
2201
2202 return -1;
2203 }
2204
2205 char *qemu_find_file(int type, const char *name)
2206 {
2207 int i;
2208 const char *subdir;
2209 char *buf;
2210
2211 /* Try the name as a straight path first */
2212 if (access(name, R_OK) == 0) {
2213 trace_load_file(name, name);
2214 return g_strdup(name);
2215 }
2216
2217 switch (type) {
2218 case QEMU_FILE_TYPE_BIOS:
2219 subdir = "";
2220 break;
2221 case QEMU_FILE_TYPE_KEYMAP:
2222 subdir = "keymaps/";
2223 break;
2224 default:
2225 abort();
2226 }
2227
2228 for (i = 0; i < data_dir_idx; i++) {
2229 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2230 if (access(buf, R_OK) == 0) {
2231 trace_load_file(name, buf);
2232 return buf;
2233 }
2234 g_free(buf);
2235 }
2236 return NULL;
2237 }
2238
2239 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2240 {
2241 gchar *buf;
2242 size_t size;
2243 const char *name, *file;
2244
2245 if (opaque == NULL) {
2246 error_report("fw_cfg device not available");
2247 return -1;
2248 }
2249 name = qemu_opt_get(opts, "name");
2250 file = qemu_opt_get(opts, "file");
2251 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2252 error_report("invalid argument value");
2253 return -1;
2254 }
2255 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2256 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2257 return -1;
2258 }
2259 if (strncmp(name, "opt/", 4) != 0) {
2260 error_report("WARNING: externally provided fw_cfg item names "
2261 "should be prefixed with \"opt/\"!");
2262 }
2263 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2264 error_report("can't load %s", file);
2265 return -1;
2266 }
2267 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2268 return 0;
2269 }
2270
2271 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2272 {
2273 return qdev_device_help(opts);
2274 }
2275
2276 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2277 {
2278 Error *err = NULL;
2279 DeviceState *dev;
2280
2281 dev = qdev_device_add(opts, &err);
2282 if (!dev) {
2283 error_report_err(err);
2284 return -1;
2285 }
2286 object_unref(OBJECT(dev));
2287 return 0;
2288 }
2289
2290 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 Error *local_err = NULL;
2293
2294 qemu_chr_new_from_opts(opts, NULL, &local_err);
2295 if (local_err) {
2296 error_report_err(local_err);
2297 return -1;
2298 }
2299 return 0;
2300 }
2301
2302 #ifdef CONFIG_VIRTFS
2303 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2304 {
2305 int ret;
2306 ret = qemu_fsdev_add(opts);
2307
2308 return ret;
2309 }
2310 #endif
2311
2312 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2313 {
2314 CharDriverState *chr;
2315 const char *chardev;
2316 const char *mode;
2317 int flags;
2318
2319 mode = qemu_opt_get(opts, "mode");
2320 if (mode == NULL) {
2321 mode = "readline";
2322 }
2323 if (strcmp(mode, "readline") == 0) {
2324 flags = MONITOR_USE_READLINE;
2325 } else if (strcmp(mode, "control") == 0) {
2326 flags = MONITOR_USE_CONTROL;
2327 } else {
2328 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2329 exit(1);
2330 }
2331
2332 if (qemu_opt_get_bool(opts, "pretty", 0))
2333 flags |= MONITOR_USE_PRETTY;
2334
2335 if (qemu_opt_get_bool(opts, "default", 0))
2336 flags |= MONITOR_IS_DEFAULT;
2337
2338 chardev = qemu_opt_get(opts, "chardev");
2339 chr = qemu_chr_find(chardev);
2340 if (chr == NULL) {
2341 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2342 exit(1);
2343 }
2344
2345 qemu_chr_fe_claim_no_fail(chr);
2346 monitor_init(chr, flags);
2347 return 0;
2348 }
2349
2350 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2351 {
2352 static int monitor_device_index = 0;
2353 Error *local_err = NULL;
2354 QemuOpts *opts;
2355 const char *p;
2356 char label[32];
2357 int def = 0;
2358
2359 if (strstart(optarg, "chardev:", &p)) {
2360 snprintf(label, sizeof(label), "%s", p);
2361 } else {
2362 snprintf(label, sizeof(label), "compat_monitor%d",
2363 monitor_device_index);
2364 if (monitor_device_index == 0) {
2365 def = 1;
2366 }
2367 opts = qemu_chr_parse_compat(label, optarg);
2368 if (!opts) {
2369 fprintf(stderr, "parse error: %s\n", optarg);
2370 exit(1);
2371 }
2372 }
2373
2374 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2375 if (!opts) {
2376 error_report_err(local_err);
2377 exit(1);
2378 }
2379 qemu_opt_set(opts, "mode", mode, &error_abort);
2380 qemu_opt_set(opts, "chardev", label, &error_abort);
2381 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2382 if (def)
2383 qemu_opt_set(opts, "default", "on", &error_abort);
2384 monitor_device_index++;
2385 }
2386
2387 struct device_config {
2388 enum {
2389 DEV_USB, /* -usbdevice */
2390 DEV_BT, /* -bt */
2391 DEV_SERIAL, /* -serial */
2392 DEV_PARALLEL, /* -parallel */
2393 DEV_VIRTCON, /* -virtioconsole */
2394 DEV_DEBUGCON, /* -debugcon */
2395 DEV_GDB, /* -gdb, -s */
2396 DEV_SCLP, /* s390 sclp */
2397 } type;
2398 const char *cmdline;
2399 Location loc;
2400 QTAILQ_ENTRY(device_config) next;
2401 };
2402
2403 static QTAILQ_HEAD(, device_config) device_configs =
2404 QTAILQ_HEAD_INITIALIZER(device_configs);
2405
2406 static void add_device_config(int type, const char *cmdline)
2407 {
2408 struct device_config *conf;
2409
2410 conf = g_malloc0(sizeof(*conf));
2411 conf->type = type;
2412 conf->cmdline = cmdline;
2413 loc_save(&conf->loc);
2414 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2415 }
2416
2417 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2418 {
2419 struct device_config *conf;
2420 int rc;
2421
2422 QTAILQ_FOREACH(conf, &device_configs, next) {
2423 if (conf->type != type)
2424 continue;
2425 loc_push_restore(&conf->loc);
2426 rc = func(conf->cmdline);
2427 loc_pop(&conf->loc);
2428 if (rc) {
2429 return rc;
2430 }
2431 }
2432 return 0;
2433 }
2434
2435 static int serial_parse(const char *devname)
2436 {
2437 static int index = 0;
2438 char label[32];
2439
2440 if (strcmp(devname, "none") == 0)
2441 return 0;
2442 if (index == MAX_SERIAL_PORTS) {
2443 fprintf(stderr, "qemu: too many serial ports\n");
2444 exit(1);
2445 }
2446 snprintf(label, sizeof(label), "serial%d", index);
2447 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2448 if (!serial_hds[index]) {
2449 fprintf(stderr, "qemu: could not connect serial device"
2450 " to character backend '%s'\n", devname);
2451 return -1;
2452 }
2453 index++;
2454 return 0;
2455 }
2456
2457 static int parallel_parse(const char *devname)
2458 {
2459 static int index = 0;
2460 char label[32];
2461
2462 if (strcmp(devname, "none") == 0)
2463 return 0;
2464 if (index == MAX_PARALLEL_PORTS) {
2465 fprintf(stderr, "qemu: too many parallel ports\n");
2466 exit(1);
2467 }
2468 snprintf(label, sizeof(label), "parallel%d", index);
2469 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2470 if (!parallel_hds[index]) {
2471 fprintf(stderr, "qemu: could not connect parallel device"
2472 " to character backend '%s'\n", devname);
2473 return -1;
2474 }
2475 index++;
2476 return 0;
2477 }
2478
2479 static int virtcon_parse(const char *devname)
2480 {
2481 QemuOptsList *device = qemu_find_opts("device");
2482 static int index = 0;
2483 char label[32];
2484 QemuOpts *bus_opts, *dev_opts;
2485
2486 if (strcmp(devname, "none") == 0)
2487 return 0;
2488 if (index == MAX_VIRTIO_CONSOLES) {
2489 fprintf(stderr, "qemu: too many virtio consoles\n");
2490 exit(1);
2491 }
2492
2493 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2494 if (arch_type == QEMU_ARCH_S390X) {
2495 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2496 } else {
2497 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2498 }
2499
2500 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2501 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2502
2503 snprintf(label, sizeof(label), "virtcon%d", index);
2504 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2505 if (!virtcon_hds[index]) {
2506 fprintf(stderr, "qemu: could not connect virtio console"
2507 " to character backend '%s'\n", devname);
2508 return -1;
2509 }
2510 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2511
2512 index++;
2513 return 0;
2514 }
2515
2516 static int sclp_parse(const char *devname)
2517 {
2518 QemuOptsList *device = qemu_find_opts("device");
2519 static int index = 0;
2520 char label[32];
2521 QemuOpts *dev_opts;
2522
2523 if (strcmp(devname, "none") == 0) {
2524 return 0;
2525 }
2526 if (index == MAX_SCLP_CONSOLES) {
2527 fprintf(stderr, "qemu: too many sclp consoles\n");
2528 exit(1);
2529 }
2530
2531 assert(arch_type == QEMU_ARCH_S390X);
2532
2533 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2534 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2535
2536 snprintf(label, sizeof(label), "sclpcon%d", index);
2537 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2538 if (!sclp_hds[index]) {
2539 fprintf(stderr, "qemu: could not connect sclp console"
2540 " to character backend '%s'\n", devname);
2541 return -1;
2542 }
2543 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2544
2545 index++;
2546 return 0;
2547 }
2548
2549 static int debugcon_parse(const char *devname)
2550 {
2551 QemuOpts *opts;
2552
2553 if (!qemu_chr_new("debugcon", devname, NULL)) {
2554 exit(1);
2555 }
2556 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2557 if (!opts) {
2558 fprintf(stderr, "qemu: already have a debugcon device\n");
2559 exit(1);
2560 }
2561 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2562 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2563 return 0;
2564 }
2565
2566 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2567 {
2568 const MachineClass *mc1 = a, *mc2 = b;
2569 int res;
2570
2571 if (mc1->family == NULL) {
2572 if (mc2->family == NULL) {
2573 /* Compare standalone machine types against each other; they sort
2574 * in increasing order.
2575 */
2576 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2577 object_class_get_name(OBJECT_CLASS(mc2)));
2578 }
2579
2580 /* Standalone machine types sort after families. */
2581 return 1;
2582 }
2583
2584 if (mc2->family == NULL) {
2585 /* Families sort before standalone machine types. */
2586 return -1;
2587 }
2588
2589 /* Families sort between each other alphabetically increasingly. */
2590 res = strcmp(mc1->family, mc2->family);
2591 if (res != 0) {
2592 return res;
2593 }
2594
2595 /* Within the same family, machine types sort in decreasing order. */
2596 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2597 object_class_get_name(OBJECT_CLASS(mc1)));
2598 }
2599
2600 static MachineClass *machine_parse(const char *name)
2601 {
2602 MachineClass *mc = NULL;
2603 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2604
2605 if (name) {
2606 mc = find_machine(name);
2607 }
2608 if (mc) {
2609 g_slist_free(machines);
2610 return mc;
2611 }
2612 if (name && !is_help_option(name)) {
2613 error_report("Unsupported machine type");
2614 error_printf("Use -machine help to list supported machines!\n");
2615 } else {
2616 printf("Supported machines are:\n");
2617 machines = g_slist_sort(machines, machine_class_cmp);
2618 for (el = machines; el; el = el->next) {
2619 MachineClass *mc = el->data;
2620 if (mc->alias) {
2621 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2622 }
2623 printf("%-20s %s%s\n", mc->name, mc->desc,
2624 mc->is_default ? " (default)" : "");
2625 }
2626 }
2627
2628 g_slist_free(machines);
2629 exit(!name || !is_help_option(name));
2630 }
2631
2632 void qemu_add_exit_notifier(Notifier *notify)
2633 {
2634 notifier_list_add(&exit_notifiers, notify);
2635 }
2636
2637 void qemu_remove_exit_notifier(Notifier *notify)
2638 {
2639 notifier_remove(notify);
2640 }
2641
2642 static void qemu_run_exit_notifiers(void)
2643 {
2644 notifier_list_notify(&exit_notifiers, NULL);
2645 }
2646
2647 static bool machine_init_done;
2648
2649 void qemu_add_machine_init_done_notifier(Notifier *notify)
2650 {
2651 notifier_list_add(&machine_init_done_notifiers, notify);
2652 if (machine_init_done) {
2653 notify->notify(notify, NULL);
2654 }
2655 }
2656
2657 static void qemu_run_machine_init_done_notifiers(void)
2658 {
2659 notifier_list_notify(&machine_init_done_notifiers, NULL);
2660 machine_init_done = true;
2661 }
2662
2663 static const QEMUOption *lookup_opt(int argc, char **argv,
2664 const char **poptarg, int *poptind)
2665 {
2666 const QEMUOption *popt;
2667 int optind = *poptind;
2668 char *r = argv[optind];
2669 const char *optarg;
2670
2671 loc_set_cmdline(argv, optind, 1);
2672 optind++;
2673 /* Treat --foo the same as -foo. */
2674 if (r[1] == '-')
2675 r++;
2676 popt = qemu_options;
2677 for(;;) {
2678 if (!popt->name) {
2679 error_report("invalid option");
2680 exit(1);
2681 }
2682 if (!strcmp(popt->name, r + 1))
2683 break;
2684 popt++;
2685 }
2686 if (popt->flags & HAS_ARG) {
2687 if (optind >= argc) {
2688 error_report("requires an argument");
2689 exit(1);
2690 }
2691 optarg = argv[optind++];
2692 loc_set_cmdline(argv, optind - 2, 2);
2693 } else {
2694 optarg = NULL;
2695 }
2696
2697 *poptarg = optarg;
2698 *poptind = optind;
2699
2700 return popt;
2701 }
2702
2703 static gpointer malloc_and_trace(gsize n_bytes)
2704 {
2705 void *ptr = malloc(n_bytes);
2706 trace_g_malloc(n_bytes, ptr);
2707 return ptr;
2708 }
2709
2710 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2711 {
2712 void *ptr = realloc(mem, n_bytes);
2713 trace_g_realloc(mem, n_bytes, ptr);
2714 return ptr;
2715 }
2716
2717 static void free_and_trace(gpointer mem)
2718 {
2719 trace_g_free(mem);
2720 free(mem);
2721 }
2722
2723 static int machine_set_property(void *opaque,
2724 const char *name, const char *value,
2725 Error **errp)
2726 {
2727 Object *obj = OBJECT(opaque);
2728 Error *local_err = NULL;
2729 char *c, *qom_name;
2730
2731 if (strcmp(name, "type") == 0) {
2732 return 0;
2733 }
2734
2735 qom_name = g_strdup(name);
2736 c = qom_name;
2737 while (*c++) {
2738 if (*c == '_') {
2739 *c = '-';
2740 }
2741 }
2742
2743 object_property_parse(obj, value, qom_name, &local_err);
2744 g_free(qom_name);
2745
2746 if (local_err) {
2747 error_report_err(local_err);
2748 return -1;
2749 }
2750
2751 return 0;
2752 }
2753
2754
2755 /*
2756 * Initial object creation happens before all other
2757 * QEMU data types are created. The majority of objects
2758 * can be created at this point. The rng-egd object
2759 * cannot be created here, as it depends on the chardev
2760 * already existing.
2761 */
2762 static bool object_create_initial(const char *type)
2763 {
2764 if (g_str_equal(type, "rng-egd")) {
2765 return false;
2766 }
2767 return true;
2768 }
2769
2770
2771 /*
2772 * The remainder of object creation happens after the
2773 * creation of chardev, fsdev and device data types.
2774 */
2775 static bool object_create_delayed(const char *type)
2776 {
2777 return !object_create_initial(type);
2778 }
2779
2780
2781 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2782 {
2783 Error *err = NULL;
2784 char *type = NULL;
2785 char *id = NULL;
2786 void *dummy = NULL;
2787 OptsVisitor *ov;
2788 QDict *pdict;
2789 bool (*type_predicate)(const char *) = opaque;
2790
2791 ov = opts_visitor_new(opts);
2792 pdict = qemu_opts_to_qdict(opts, NULL);
2793
2794 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2795 if (err) {
2796 goto out;
2797 }
2798
2799 qdict_del(pdict, "qom-type");
2800 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2801 if (err) {
2802 goto out;
2803 }
2804 if (!type_predicate(type)) {
2805 goto out;
2806 }
2807
2808 qdict_del(pdict, "id");
2809 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2810 if (err) {
2811 goto out;
2812 }
2813
2814 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2815 if (err) {
2816 goto out;
2817 }
2818 visit_end_struct(opts_get_visitor(ov), &err);
2819 if (err) {
2820 qmp_object_del(id, NULL);
2821 }
2822
2823 out:
2824 opts_visitor_cleanup(ov);
2825
2826 QDECREF(pdict);
2827 g_free(id);
2828 g_free(type);
2829 g_free(dummy);
2830 if (err) {
2831 error_report_err(err);
2832 return -1;
2833 }
2834 return 0;
2835 }
2836
2837 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2838 MachineClass *mc)
2839 {
2840 uint64_t sz;
2841 const char *mem_str;
2842 const char *maxmem_str, *slots_str;
2843 const ram_addr_t default_ram_size = mc->default_ram_size;
2844 QemuOpts *opts = qemu_find_opts_singleton("memory");
2845
2846 sz = 0;
2847 mem_str = qemu_opt_get(opts, "size");
2848 if (mem_str) {
2849 if (!*mem_str) {
2850 error_report("missing 'size' option value");
2851 exit(EXIT_FAILURE);
2852 }
2853
2854 sz = qemu_opt_get_size(opts, "size", ram_size);
2855
2856 /* Fix up legacy suffix-less format */
2857 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2858 uint64_t overflow_check = sz;
2859
2860 sz <<= 20;
2861 if ((sz >> 20) != overflow_check) {
2862 error_report("too large 'size' option value");
2863 exit(EXIT_FAILURE);
2864 }
2865 }
2866 }
2867
2868 /* backward compatibility behaviour for case "-m 0" */
2869 if (sz == 0) {
2870 sz = default_ram_size;
2871 }
2872
2873 sz = QEMU_ALIGN_UP(sz, 8192);
2874 ram_size = sz;
2875 if (ram_size != sz) {
2876 error_report("ram size too large");
2877 exit(EXIT_FAILURE);
2878 }
2879
2880 /* store value for the future use */
2881 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2882 *maxram_size = ram_size;
2883
2884 maxmem_str = qemu_opt_get(opts, "maxmem");
2885 slots_str = qemu_opt_get(opts, "slots");
2886 if (maxmem_str && slots_str) {
2887 uint64_t slots;
2888
2889 sz = qemu_opt_get_size(opts, "maxmem", 0);
2890 slots = qemu_opt_get_number(opts, "slots", 0);
2891 if (sz < ram_size) {
2892 error_report("invalid value of -m option maxmem: "
2893 "maximum memory size (0x%" PRIx64 ") must be at least "
2894 "the initial memory size (0x" RAM_ADDR_FMT ")",
2895 sz, ram_size);
2896 exit(EXIT_FAILURE);
2897 } else if (sz > ram_size) {
2898 if (!slots) {
2899 error_report("invalid value of -m option: maxmem was "
2900 "specified, but no hotplug slots were specified");
2901 exit(EXIT_FAILURE);
2902 }
2903 } else if (slots) {
2904 error_report("invalid value of -m option maxmem: "
2905 "memory slots were specified but maximum memory size "
2906 "(0x%" PRIx64 ") is equal to the initial memory size "
2907 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2908 exit(EXIT_FAILURE);
2909 }
2910
2911 *maxram_size = sz;
2912 *ram_slots = slots;
2913 } else if ((!maxmem_str && slots_str) ||
2914 (maxmem_str && !slots_str)) {
2915 error_report("invalid -m option value: missing "
2916 "'%s' option", slots_str ? "maxmem" : "slots");
2917 exit(EXIT_FAILURE);
2918 }
2919 }
2920
2921 int main(int argc, char **argv, char **envp)
2922 {
2923 int i;
2924 int snapshot, linux_boot;
2925 const char *initrd_filename;
2926 const char *kernel_filename, *kernel_cmdline;
2927 const char *boot_order = NULL;
2928 const char *boot_once = NULL;
2929 DisplayState *ds;
2930 int cyls, heads, secs, translation;
2931 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2932 QemuOptsList *olist;
2933 int optind;
2934 const char *optarg;
2935 const char *loadvm = NULL;
2936 MachineClass *machine_class;
2937 const char *cpu_model;
2938 const char *vga_model = NULL;
2939 const char *qtest_chrdev = NULL;
2940 const char *qtest_log = NULL;
2941 const char *pid_file = NULL;
2942 const char *incoming = NULL;
2943 #ifdef CONFIG_VNC
2944 int show_vnc_port = 0;
2945 #endif
2946 bool defconfig = true;
2947 bool userconfig = true;
2948 const char *log_mask = NULL;
2949 const char *log_file = NULL;
2950 GMemVTable mem_trace = {
2951 .malloc = malloc_and_trace,
2952 .realloc = realloc_and_trace,
2953 .free = free_and_trace,
2954 };
2955 const char *trace_events = NULL;
2956 const char *trace_file = NULL;
2957 ram_addr_t maxram_size;
2958 uint64_t ram_slots = 0;
2959 FILE *vmstate_dump_file = NULL;
2960 Error *main_loop_err = NULL;
2961
2962 qemu_init_cpu_loop();
2963 qemu_mutex_lock_iothread();
2964
2965 atexit(qemu_run_exit_notifiers);
2966 error_set_progname(argv[0]);
2967 qemu_init_exec_dir(argv[0]);
2968
2969 g_mem_set_vtable(&mem_trace);
2970
2971 module_call_init(MODULE_INIT_QOM);
2972
2973 qemu_add_opts(&qemu_drive_opts);
2974 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2975 qemu_add_drive_opts(&qemu_common_drive_opts);
2976 qemu_add_drive_opts(&qemu_drive_opts);
2977 qemu_add_opts(&qemu_chardev_opts);
2978 qemu_add_opts(&qemu_device_opts);
2979 qemu_add_opts(&qemu_netdev_opts);
2980 qemu_add_opts(&qemu_net_opts);
2981 qemu_add_opts(&qemu_rtc_opts);
2982 qemu_add_opts(&qemu_global_opts);
2983 qemu_add_opts(&qemu_mon_opts);
2984 qemu_add_opts(&qemu_trace_opts);
2985 qemu_add_opts(&qemu_option_rom_opts);
2986 qemu_add_opts(&qemu_machine_opts);
2987 qemu_add_opts(&qemu_mem_opts);
2988 qemu_add_opts(&qemu_smp_opts);
2989 qemu_add_opts(&qemu_boot_opts);
2990 qemu_add_opts(&qemu_sandbox_opts);
2991 qemu_add_opts(&qemu_add_fd_opts);
2992 qemu_add_opts(&qemu_object_opts);
2993 qemu_add_opts(&qemu_tpmdev_opts);
2994 qemu_add_opts(&qemu_realtime_opts);
2995 qemu_add_opts(&qemu_msg_opts);
2996 qemu_add_opts(&qemu_name_opts);
2997 qemu_add_opts(&qemu_numa_opts);
2998 qemu_add_opts(&qemu_icount_opts);
2999 qemu_add_opts(&qemu_semihosting_config_opts);
3000 qemu_add_opts(&qemu_fw_cfg_opts);
3001
3002 runstate_init();
3003
3004 rtc_clock = QEMU_CLOCK_HOST;
3005
3006 QLIST_INIT (&vm_change_state_head);
3007 os_setup_early_signal_handling();
3008
3009 module_call_init(MODULE_INIT_MACHINE);
3010 machine_class = find_default_machine();
3011 cpu_model = NULL;
3012 snapshot = 0;
3013 cyls = heads = secs = 0;
3014 translation = BIOS_ATA_TRANSLATION_AUTO;
3015
3016 nb_nics = 0;
3017
3018 bdrv_init_with_whitelist();
3019
3020 autostart = 1;
3021
3022 /* first pass of option parsing */
3023 optind = 1;
3024 while (optind < argc) {
3025 if (argv[optind][0] != '-') {
3026 /* disk image */
3027 optind++;
3028 } else {
3029 const QEMUOption *popt;
3030
3031 popt = lookup_opt(argc, argv, &optarg, &optind);
3032 switch (popt->index) {
3033 case QEMU_OPTION_nodefconfig:
3034 defconfig = false;
3035 break;
3036 case QEMU_OPTION_nouserconfig:
3037 userconfig = false;
3038 break;
3039 }
3040 }
3041 }
3042
3043 if (defconfig) {
3044 int ret;
3045 ret = qemu_read_default_config_files(userconfig);
3046 if (ret < 0) {
3047 exit(1);
3048 }
3049 }
3050
3051 /* second pass of option parsing */
3052 optind = 1;
3053 for(;;) {
3054 if (optind >= argc)
3055 break;
3056 if (argv[optind][0] != '-') {
3057 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3058 } else {
3059 const QEMUOption *popt;
3060
3061 popt = lookup_opt(argc, argv, &optarg, &optind);
3062 if (!(popt->arch_mask & arch_type)) {
3063 printf("Option %s not supported for this target\n", popt->name);
3064 exit(1);
3065 }
3066 switch(popt->index) {
3067 case QEMU_OPTION_no_kvm_irqchip: {
3068 olist = qemu_find_opts("machine");
3069 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3070 break;
3071 }
3072 case QEMU_OPTION_cpu:
3073 /* hw initialization will check this */
3074 cpu_model = optarg;
3075 break;
3076 case QEMU_OPTION_hda:
3077 {
3078 char buf[256];
3079 if (cyls == 0)
3080 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3081 else
3082 snprintf(buf, sizeof(buf),
3083 "%s,cyls=%d,heads=%d,secs=%d%s",
3084 HD_OPTS , cyls, heads, secs,
3085 translation == BIOS_ATA_TRANSLATION_LBA ?
3086 ",trans=lba" :
3087 translation == BIOS_ATA_TRANSLATION_NONE ?
3088 ",trans=none" : "");
3089 drive_add(IF_DEFAULT, 0, optarg, buf);
3090 break;
3091 }
3092 case QEMU_OPTION_hdb:
3093 case QEMU_OPTION_hdc:
3094 case QEMU_OPTION_hdd:
3095 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3096 HD_OPTS);
3097 break;
3098 case QEMU_OPTION_drive:
3099 if (drive_def(optarg) == NULL) {
3100 exit(1);
3101 }
3102 break;
3103 case QEMU_OPTION_set:
3104 if (qemu_set_option(optarg) != 0)
3105 exit(1);
3106 break;
3107 case QEMU_OPTION_global:
3108 if (qemu_global_option(optarg) != 0)
3109 exit(1);
3110 break;
3111 case QEMU_OPTION_mtdblock:
3112 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3113 break;
3114 case QEMU_OPTION_sd:
3115 drive_add(IF_SD, -1, optarg, SD_OPTS);
3116 break;
3117 case QEMU_OPTION_pflash:
3118 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3119 break;
3120 case QEMU_OPTION_snapshot:
3121 snapshot = 1;
3122 break;
3123 case QEMU_OPTION_hdachs:
3124 {
3125 const char *p;
3126 p = optarg;
3127 cyls = strtol(p, (char **)&p, 0);
3128 if (cyls < 1 || cyls > 16383)
3129 goto chs_fail;
3130 if (*p != ',')
3131 goto chs_fail;
3132 p++;
3133 heads = strtol(p, (char **)&p, 0);
3134 if (heads < 1 || heads > 16)
3135 goto chs_fail;
3136 if (*p != ',')
3137 goto chs_fail;
3138 p++;
3139 secs = strtol(p, (char **)&p, 0);
3140 if (secs < 1 || secs > 63)
3141 goto chs_fail;
3142 if (*p == ',') {
3143 p++;
3144 if (!strcmp(p, "large")) {
3145 translation = BIOS_ATA_TRANSLATION_LARGE;
3146 } else if (!strcmp(p, "rechs")) {
3147 translation = BIOS_ATA_TRANSLATION_RECHS;
3148 } else if (!strcmp(p, "none")) {
3149 translation = BIOS_ATA_TRANSLATION_NONE;
3150 } else if (!strcmp(p, "lba")) {
3151 translation = BIOS_ATA_TRANSLATION_LBA;
3152 } else if (!strcmp(p, "auto")) {
3153 translation = BIOS_ATA_TRANSLATION_AUTO;
3154 } else {
3155 goto chs_fail;
3156 }
3157 } else if (*p != '\0') {
3158 chs_fail:
3159 fprintf(stderr, "qemu: invalid physical CHS format\n");
3160 exit(1);
3161 }
3162 if (hda_opts != NULL) {
3163 qemu_opt_set_number(hda_opts, "cyls", cyls,
3164 &error_abort);
3165 qemu_opt_set_number(hda_opts, "heads", heads,
3166 &error_abort);
3167 qemu_opt_set_number(hda_opts, "secs", secs,
3168 &error_abort);
3169 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3170 qemu_opt_set(hda_opts, "trans", "large",
3171 &error_abort);
3172 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3173 qemu_opt_set(hda_opts, "trans", "rechs",
3174 &error_abort);
3175 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3176 qemu_opt_set(hda_opts, "trans", "lba",
3177 &error_abort);
3178 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3179 qemu_opt_set(hda_opts, "trans", "none",
3180 &error_abort);
3181 }
3182 }
3183 }
3184 break;
3185 case QEMU_OPTION_numa:
3186 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3187 optarg, true);
3188 if (!opts) {
3189 exit(1);
3190 }
3191 break;
3192 case QEMU_OPTION_display:
3193 display_type = select_display(optarg);
3194 break;
3195 case QEMU_OPTION_nographic:
3196 display_type = DT_NOGRAPHIC;
3197 break;
3198 case QEMU_OPTION_curses:
3199 #ifdef CONFIG_CURSES
3200 display_type = DT_CURSES;
3201 #else
3202 fprintf(stderr, "Curses support is disabled\n");
3203 exit(1);
3204 #endif
3205 break;
3206 case QEMU_OPTION_portrait:
3207 graphic_rotate = 90;
3208 break;
3209 case QEMU_OPTION_rotate:
3210 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3211 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3212 graphic_rotate != 180 && graphic_rotate != 270) {
3213 fprintf(stderr,
3214 "qemu: only 90, 180, 270 deg rotation is available\n");
3215 exit(1);
3216 }
3217 break;
3218 case QEMU_OPTION_kernel:
3219 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3220 &error_abort);
3221 break;
3222 case QEMU_OPTION_initrd:
3223 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3224 &error_abort);
3225 break;
3226 case QEMU_OPTION_append:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3228 &error_abort);
3229 break;
3230 case QEMU_OPTION_dtb:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3232 &error_abort);
3233 break;
3234 case QEMU_OPTION_cdrom:
3235 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3236 break;
3237 case QEMU_OPTION_boot:
3238 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3239 optarg, true);
3240 if (!opts) {
3241 exit(1);
3242 }
3243 break;
3244 case QEMU_OPTION_fda:
3245 case QEMU_OPTION_fdb:
3246 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3247 optarg, FD_OPTS);
3248 break;
3249 case QEMU_OPTION_no_fd_bootchk:
3250 fd_bootchk = 0;
3251 break;
3252 case QEMU_OPTION_netdev:
3253 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_net:
3258 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3259 exit(1);
3260 }
3261 break;
3262 #ifdef CONFIG_LIBISCSI
3263 case QEMU_OPTION_iscsi:
3264 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3265 optarg, false);
3266 if (!opts) {
3267 exit(1);
3268 }
3269 break;
3270 #endif
3271 #ifdef CONFIG_SLIRP
3272 case QEMU_OPTION_tftp:
3273 legacy_tftp_prefix = optarg;
3274 break;
3275 case QEMU_OPTION_bootp:
3276 legacy_bootp_filename = optarg;
3277 break;
3278 case QEMU_OPTION_redir:
3279 if (net_slirp_redir(optarg) < 0)
3280 exit(1);
3281 break;
3282 #endif
3283 case QEMU_OPTION_bt:
3284 add_device_config(DEV_BT, optarg);
3285 break;
3286 case QEMU_OPTION_audio_help:
3287 AUD_help ();
3288 exit (0);
3289 break;
3290 case QEMU_OPTION_soundhw:
3291 select_soundhw (optarg);
3292 break;
3293 case QEMU_OPTION_h:
3294 help(0);
3295 break;
3296 case QEMU_OPTION_version:
3297 version();
3298 exit(0);
3299 break;
3300 case QEMU_OPTION_m:
3301 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3302 optarg, true);
3303 if (!opts) {
3304 exit(EXIT_FAILURE);
3305 }
3306 break;
3307 #ifdef CONFIG_TPM
3308 case QEMU_OPTION_tpmdev:
3309 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3310 exit(1);
3311 }
3312 break;
3313 #endif
3314 case QEMU_OPTION_mempath:
3315 mem_path = optarg;
3316 break;
3317 case QEMU_OPTION_mem_prealloc:
3318 mem_prealloc = 1;
3319 break;
3320 case QEMU_OPTION_d:
3321 log_mask = optarg;
3322 break;
3323 case QEMU_OPTION_D:
3324 log_file = optarg;
3325 break;
3326 case QEMU_OPTION_s:
3327 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3328 break;
3329 case QEMU_OPTION_gdb:
3330 add_device_config(DEV_GDB, optarg);
3331 break;
3332 case QEMU_OPTION_L:
3333 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3334 data_dir[data_dir_idx++] = optarg;
3335 }
3336 break;
3337 case QEMU_OPTION_bios:
3338 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3339 &error_abort);
3340 break;
3341 case QEMU_OPTION_singlestep:
3342 singlestep = 1;
3343 break;
3344 case QEMU_OPTION_S:
3345 autostart = 0;
3346 break;
3347 case QEMU_OPTION_k:
3348 keyboard_layout = optarg;
3349 break;
3350 case QEMU_OPTION_localtime:
3351 rtc_utc = 0;
3352 break;
3353 case QEMU_OPTION_vga:
3354 vga_model = optarg;
3355 default_vga = 0;
3356 break;
3357 case QEMU_OPTION_g:
3358 {
3359 const char *p;
3360 int w, h, depth;
3361 p = optarg;
3362 w = strtol(p, (char **)&p, 10);
3363 if (w <= 0) {
3364 graphic_error:
3365 fprintf(stderr, "qemu: invalid resolution or depth\n");
3366 exit(1);
3367 }
3368 if (*p != 'x')
3369 goto graphic_error;
3370 p++;
3371 h = strtol(p, (char **)&p, 10);
3372 if (h <= 0)
3373 goto graphic_error;
3374 if (*p == 'x') {
3375 p++;
3376 depth = strtol(p, (char **)&p, 10);
3377 if (depth != 8 && depth != 15 && depth != 16 &&
3378 depth != 24 && depth != 32)
3379 goto graphic_error;
3380 } else if (*p == '\0') {
3381 depth = graphic_depth;
3382 } else {
3383 goto graphic_error;
3384 }
3385
3386 graphic_width = w;
3387 graphic_height = h;
3388 graphic_depth = depth;
3389 }
3390 break;
3391 case QEMU_OPTION_echr:
3392 {
3393 char *r;
3394 term_escape_char = strtol(optarg, &r, 0);
3395 if (r == optarg)
3396 printf("Bad argument to echr\n");
3397 break;
3398 }
3399 case QEMU_OPTION_monitor:
3400 default_monitor = 0;
3401 if (strncmp(optarg, "none", 4)) {
3402 monitor_parse(optarg, "readline", false);
3403 }
3404 break;
3405 case QEMU_OPTION_qmp:
3406 monitor_parse(optarg, "control", false);
3407 default_monitor = 0;
3408 break;
3409 case QEMU_OPTION_qmp_pretty:
3410 monitor_parse(optarg, "control", true);
3411 default_monitor = 0;
3412 break;
3413 case QEMU_OPTION_mon:
3414 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3415 true);
3416 if (!opts) {
3417 exit(1);
3418 }
3419 default_monitor = 0;
3420 break;
3421 case QEMU_OPTION_chardev:
3422 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3423 optarg, true);
3424 if (!opts) {
3425 exit(1);
3426 }
3427 break;
3428 case QEMU_OPTION_fsdev:
3429 olist = qemu_find_opts("fsdev");
3430 if (!olist) {
3431 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3432 exit(1);
3433 }
3434 opts = qemu_opts_parse_noisily(olist, optarg, true);
3435 if (!opts) {
3436 exit(1);
3437 }
3438 break;
3439 case QEMU_OPTION_virtfs: {
3440 QemuOpts *fsdev;
3441 QemuOpts *device;
3442 const char *writeout, *sock_fd, *socket;
3443
3444 olist = qemu_find_opts("virtfs");
3445 if (!olist) {
3446 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3447 exit(1);
3448 }
3449 opts = qemu_opts_parse_noisily(olist, optarg, true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453
3454 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3455 qemu_opt_get(opts, "mount_tag") == NULL) {
3456 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3457 exit(1);
3458 }
3459 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3460 qemu_opt_get(opts, "mount_tag"),
3461 1, NULL);
3462 if (!fsdev) {
3463 fprintf(stderr, "duplicate fsdev id: %s\n",
3464 qemu_opt_get(opts, "mount_tag"));
3465 exit(1);
3466 }
3467
3468 writeout = qemu_opt_get(opts, "writeout");
3469 if (writeout) {
3470 #ifdef CONFIG_SYNC_FILE_RANGE
3471 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3472 #else
3473 fprintf(stderr, "writeout=immediate not supported on "
3474 "this platform\n");
3475 exit(1);
3476 #endif
3477 }
3478 qemu_opt_set(fsdev, "fsdriver",
3479 qemu_opt_get(opts, "fsdriver"), &error_abort);
3480 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3481 &error_abort);
3482 qemu_opt_set(fsdev, "security_model",
3483 qemu_opt_get(opts, "security_model"),
3484 &error_abort);
3485 socket = qemu_opt_get(opts, "socket");
3486 if (socket) {
3487 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3488 }
3489 sock_fd = qemu_opt_get(opts, "sock_fd");
3490 if (sock_fd) {
3491 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3492 }
3493
3494 qemu_opt_set_bool(fsdev, "readonly",
3495 qemu_opt_get_bool(opts, "readonly", 0),
3496 &error_abort);
3497 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3498 &error_abort);
3499 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3500 qemu_opt_set(device, "fsdev",
3501 qemu_opt_get(opts, "mount_tag"), &error_abort);
3502 qemu_opt_set(device, "mount_tag",
3503 qemu_opt_get(opts, "mount_tag"), &error_abort);
3504 break;
3505 }
3506 case QEMU_OPTION_virtfs_synth: {
3507 QemuOpts *fsdev;
3508 QemuOpts *device;
3509
3510 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3511 1, NULL);
3512 if (!fsdev) {
3513 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3514 exit(1);
3515 }
3516 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3517
3518 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 &error_abort);
3520 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3521 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3522 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3523 break;
3524 }
3525 case QEMU_OPTION_serial:
3526 add_device_config(DEV_SERIAL, optarg);
3527 default_serial = 0;
3528 if (strncmp(optarg, "mon:", 4) == 0) {
3529 default_monitor = 0;
3530 }
3531 break;
3532 case QEMU_OPTION_watchdog:
3533 if (watchdog) {
3534 fprintf(stderr,
3535 "qemu: only one watchdog option may be given\n");
3536 return 1;
3537 }
3538 watchdog = optarg;
3539 break;
3540 case QEMU_OPTION_watchdog_action:
3541 if (select_watchdog_action(optarg) == -1) {
3542 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3543 exit(1);
3544 }
3545 break;
3546 case QEMU_OPTION_virtiocon:
3547 add_device_config(DEV_VIRTCON, optarg);
3548 default_virtcon = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_parallel:
3554 add_device_config(DEV_PARALLEL, optarg);
3555 default_parallel = 0;
3556 if (strncmp(optarg, "mon:", 4) == 0) {
3557 default_monitor = 0;
3558 }
3559 break;
3560 case QEMU_OPTION_debugcon:
3561 add_device_config(DEV_DEBUGCON, optarg);
3562 break;
3563 case QEMU_OPTION_loadvm:
3564 loadvm = optarg;
3565 break;
3566 case QEMU_OPTION_full_screen:
3567 full_screen = 1;
3568 break;
3569 case QEMU_OPTION_no_frame:
3570 no_frame = 1;
3571 break;
3572 case QEMU_OPTION_alt_grab:
3573 alt_grab = 1;
3574 break;
3575 case QEMU_OPTION_ctrl_grab:
3576 ctrl_grab = 1;
3577 break;
3578 case QEMU_OPTION_no_quit:
3579 no_quit = 1;
3580 break;
3581 case QEMU_OPTION_sdl:
3582 #ifdef CONFIG_SDL
3583 display_type = DT_SDL;
3584 break;
3585 #else
3586 fprintf(stderr, "SDL support is disabled\n");
3587 exit(1);
3588 #endif
3589 case QEMU_OPTION_pidfile:
3590 pid_file = optarg;
3591 break;
3592 case QEMU_OPTION_win2k_hack:
3593 win2k_install_hack = 1;
3594 break;
3595 case QEMU_OPTION_rtc_td_hack: {
3596 static GlobalProperty slew_lost_ticks[] = {
3597 {
3598 .driver = "mc146818rtc",
3599 .property = "lost_tick_policy",
3600 .value = "slew",
3601 },
3602 { /* end of list */ }
3603 };
3604
3605 qdev_prop_register_global_list(slew_lost_ticks);
3606 break;
3607 }
3608 case QEMU_OPTION_acpitable:
3609 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3610 optarg, true);
3611 if (!opts) {
3612 exit(1);
3613 }
3614 do_acpitable_option(opts);
3615 break;
3616 case QEMU_OPTION_smbios:
3617 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3618 optarg, false);
3619 if (!opts) {
3620 exit(1);
3621 }
3622 do_smbios_option(opts);
3623 break;
3624 case QEMU_OPTION_fwcfg:
3625 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3626 optarg, true);
3627 if (opts == NULL) {
3628 exit(1);
3629 }
3630 break;
3631 case QEMU_OPTION_enable_kvm:
3632 olist = qemu_find_opts("machine");
3633 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3634 break;
3635 case QEMU_OPTION_M:
3636 case QEMU_OPTION_machine:
3637 olist = qemu_find_opts("machine");
3638 opts = qemu_opts_parse_noisily(olist, optarg, true);
3639 if (!opts) {
3640 exit(1);
3641 }
3642 break;
3643 case QEMU_OPTION_no_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3646 break;
3647 case QEMU_OPTION_no_kvm_pit: {
3648 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3649 "separately.\n");
3650 break;
3651 }
3652 case QEMU_OPTION_no_kvm_pit_reinjection: {
3653 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3654 {
3655 .driver = "kvm-pit",
3656 .property = "lost_tick_policy",
3657 .value = "discard",
3658 },
3659 { /* end of list */ }
3660 };
3661
3662 fprintf(stderr, "Warning: option deprecated, use "
3663 "lost_tick_policy property of kvm-pit instead.\n");
3664 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3665 break;
3666 }
3667 case QEMU_OPTION_usb:
3668 olist = qemu_find_opts("machine");
3669 qemu_opts_parse_noisily(olist, "usb=on", false);
3670 break;
3671 case QEMU_OPTION_usbdevice:
3672 olist = qemu_find_opts("machine");
3673 qemu_opts_parse_noisily(olist, "usb=on", false);
3674 add_device_config(DEV_USB, optarg);
3675 break;
3676 case QEMU_OPTION_device:
3677 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3678 optarg, true)) {
3679 exit(1);
3680 }
3681 break;
3682 case QEMU_OPTION_smp:
3683 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3684 optarg, true)) {
3685 exit(1);
3686 }
3687 break;
3688 case QEMU_OPTION_vnc:
3689 {
3690 #ifdef CONFIG_VNC
3691 Error *local_err = NULL;
3692
3693 if (vnc_parse(optarg, &local_err) == NULL) {
3694 error_report_err(local_err);
3695 exit(1);
3696 }
3697 #else
3698 fprintf(stderr, "VNC support is disabled\n");
3699 exit(1);
3700 #endif
3701 break;
3702 }
3703 case QEMU_OPTION_no_acpi:
3704 acpi_enabled = 0;
3705 break;
3706 case QEMU_OPTION_no_hpet:
3707 no_hpet = 1;
3708 break;
3709 case QEMU_OPTION_balloon:
3710 if (balloon_parse(optarg) < 0) {
3711 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3712 exit(1);
3713 }
3714 break;
3715 case QEMU_OPTION_no_reboot:
3716 no_reboot = 1;
3717 break;
3718 case QEMU_OPTION_no_shutdown:
3719 no_shutdown = 1;
3720 break;
3721 case QEMU_OPTION_show_cursor:
3722 cursor_hide = 0;
3723 break;
3724 case QEMU_OPTION_uuid:
3725 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3726 fprintf(stderr, "Fail to parse UUID string."
3727 " Wrong format.\n");
3728 exit(1);
3729 }
3730 qemu_uuid_set = true;
3731 break;
3732 case QEMU_OPTION_option_rom:
3733 if (nb_option_roms >= MAX_OPTION_ROMS) {
3734 fprintf(stderr, "Too many option ROMs\n");
3735 exit(1);
3736 }
3737 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3738 optarg, true);
3739 if (!opts) {
3740 exit(1);
3741 }
3742 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3743 option_rom[nb_option_roms].bootindex =
3744 qemu_opt_get_number(opts, "bootindex", -1);
3745 if (!option_rom[nb_option_roms].name) {
3746 fprintf(stderr, "Option ROM file is not specified\n");
3747 exit(1);
3748 }
3749 nb_option_roms++;
3750 break;
3751 case QEMU_OPTION_semihosting:
3752 semihosting.enabled = true;
3753 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3754 break;
3755 case QEMU_OPTION_semihosting_config:
3756 semihosting.enabled = true;
3757 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3758 optarg, false);
3759 if (opts != NULL) {
3760 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3761 true);
3762 const char *target = qemu_opt_get(opts, "target");
3763 if (target != NULL) {
3764 if (strcmp("native", target) == 0) {
3765 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3766 } else if (strcmp("gdb", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_GDB;
3768 } else if (strcmp("auto", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3770 } else {
3771 fprintf(stderr, "Unsupported semihosting-config"
3772 " %s\n",
3773 optarg);
3774 exit(1);
3775 }
3776 } else {
3777 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3778 }
3779 /* Set semihosting argument count and vector */
3780 qemu_opt_foreach(opts, add_semihosting_arg,
3781 &semihosting, NULL);
3782 } else {
3783 fprintf(stderr, "Unsupported semihosting-config %s\n",
3784 optarg);
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_tdf:
3789 fprintf(stderr, "Warning: user space PIT time drift fix "
3790 "is no longer supported.\n");
3791 break;
3792 case QEMU_OPTION_name:
3793 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3794 optarg, true);
3795 if (!opts) {
3796 exit(1);
3797 }
3798 break;
3799 case QEMU_OPTION_prom_env:
3800 if (nb_prom_envs >= MAX_PROM_ENVS) {
3801 fprintf(stderr, "Too many prom variables\n");
3802 exit(1);
3803 }
3804 prom_envs[nb_prom_envs] = optarg;
3805 nb_prom_envs++;
3806 break;
3807 case QEMU_OPTION_old_param:
3808 old_param = 1;
3809 break;
3810 case QEMU_OPTION_clock:
3811 /* Clock options no longer exist. Keep this option for
3812 * backward compatibility.
3813 */
3814 break;
3815 case QEMU_OPTION_startdate:
3816 configure_rtc_date_offset(optarg, 1);
3817 break;
3818 case QEMU_OPTION_rtc:
3819 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3820 false);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 configure_rtc(opts);
3825 break;
3826 case QEMU_OPTION_tb_size:
3827 tcg_tb_size = strtol(optarg, NULL, 0);
3828 if (tcg_tb_size < 0) {
3829 tcg_tb_size = 0;
3830 }
3831 break;
3832 case QEMU_OPTION_icount:
3833 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3834 optarg, true);
3835 if (!icount_opts) {
3836 exit(1);
3837 }
3838 break;
3839 case QEMU_OPTION_incoming:
3840 if (!incoming) {
3841 runstate_set(RUN_STATE_INMIGRATE);
3842 }
3843 incoming = optarg;
3844 break;
3845 case QEMU_OPTION_nodefaults:
3846 has_defaults = 0;
3847 break;
3848 case QEMU_OPTION_xen_domid:
3849 if (!(xen_available())) {
3850 printf("Option %s not supported for this target\n", popt->name);
3851 exit(1);
3852 }
3853 xen_domid = atoi(optarg);
3854 break;
3855 case QEMU_OPTION_xen_create:
3856 if (!(xen_available())) {
3857 printf("Option %s not supported for this target\n", popt->name);
3858 exit(1);
3859 }
3860 xen_mode = XEN_CREATE;
3861 break;
3862 case QEMU_OPTION_xen_attach:
3863 if (!(xen_available())) {
3864 printf("Option %s not supported for this target\n", popt->name);
3865 exit(1);
3866 }
3867 xen_mode = XEN_ATTACH;
3868 break;
3869 case QEMU_OPTION_trace:
3870 {
3871 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3872 optarg, false);
3873 if (!opts) {
3874 exit(1);
3875 }
3876 trace_events = qemu_opt_get(opts, "events");
3877 trace_file = qemu_opt_get(opts, "file");
3878 break;
3879 }
3880 case QEMU_OPTION_readconfig:
3881 {
3882 int ret = qemu_read_config_file(optarg);
3883 if (ret < 0) {
3884 fprintf(stderr, "read config %s: %s\n", optarg,
3885 strerror(-ret));
3886 exit(1);
3887 }
3888 break;
3889 }
3890 case QEMU_OPTION_spice:
3891 olist = qemu_find_opts("spice");
3892 if (!olist) {
3893 fprintf(stderr, "spice is not supported by this qemu build.\n");
3894 exit(1);
3895 }
3896 opts = qemu_opts_parse_noisily(olist, optarg, false);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 display_remote++;
3901 break;
3902 case QEMU_OPTION_writeconfig:
3903 {
3904 FILE *fp;
3905 if (strcmp(optarg, "-") == 0) {
3906 fp = stdout;
3907 } else {
3908 fp = fopen(optarg, "w");
3909 if (fp == NULL) {
3910 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3911 exit(1);
3912 }
3913 }
3914 qemu_config_write(fp);
3915 if (fp != stdout) {
3916 fclose(fp);
3917 }
3918 break;
3919 }
3920 case QEMU_OPTION_qtest:
3921 qtest_chrdev = optarg;
3922 break;
3923 case QEMU_OPTION_qtest_log:
3924 qtest_log = optarg;
3925 break;
3926 case QEMU_OPTION_sandbox:
3927 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3928 optarg, true);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 break;
3933 case QEMU_OPTION_add_fd:
3934 #ifndef _WIN32
3935 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3936 optarg, false);
3937 if (!opts) {
3938 exit(1);
3939 }
3940 #else
3941 error_report("File descriptor passing is disabled on this "
3942 "platform");
3943 exit(1);
3944 #endif
3945 break;
3946 case QEMU_OPTION_object:
3947 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3948 optarg, true);
3949 if (!opts) {
3950 exit(1);
3951 }
3952 break;
3953 case QEMU_OPTION_realtime:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3955 optarg, false);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3960 break;
3961 case QEMU_OPTION_msg:
3962 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3963 false);
3964 if (!opts) {
3965 exit(1);
3966 }
3967 configure_msg(opts);
3968 break;
3969 case QEMU_OPTION_dump_vmstate:
3970 if (vmstate_dump_file) {
3971 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3972 "option may be given\n");
3973 exit(1);
3974 }
3975 vmstate_dump_file = fopen(optarg, "w");
3976 if (vmstate_dump_file == NULL) {
3977 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3978 exit(1);
3979 }
3980 break;
3981 default:
3982 os_parse_cmd_args(popt->index, optarg);
3983 }
3984 }
3985 }
3986
3987 opts = qemu_get_machine_opts();
3988 optarg = qemu_opt_get(opts, "type");
3989 if (optarg) {
3990 machine_class = machine_parse(optarg);
3991 }
3992
3993 if (machine_class == NULL) {
3994 fprintf(stderr, "No machine specified, and there is no default.\n"
3995 "Use -machine help to list supported machines!\n");
3996 exit(1);
3997 }
3998
3999 set_memory_options(&ram_slots, &maxram_size, machine_class);
4000
4001 loc_set_none();
4002
4003 os_daemonize();
4004
4005 if (qemu_init_main_loop(&main_loop_err)) {
4006 error_report_err(main_loop_err);
4007 exit(1);
4008 }
4009
4010 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4011 parse_sandbox, NULL, NULL)) {
4012 exit(1);
4013 }
4014
4015 if (qemu_opts_foreach(qemu_find_opts("name"),
4016 parse_name, NULL, NULL)) {
4017 exit(1);
4018 }
4019
4020 #ifndef _WIN32
4021 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4022 parse_add_fd, NULL, NULL)) {
4023 exit(1);
4024 }
4025
4026 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4027 cleanup_add_fd, NULL, NULL)) {
4028 exit(1);
4029 }
4030 #endif
4031
4032 current_machine = MACHINE(object_new(object_class_get_name(
4033 OBJECT_CLASS(machine_class))));
4034 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4035 exit(0);
4036 }
4037 object_property_add_child(object_get_root(), "machine",
4038 OBJECT(current_machine), &error_abort);
4039 cpu_exec_init_all();
4040
4041 if (machine_class->hw_version) {
4042 qemu_set_version(machine_class->hw_version);
4043 }
4044
4045 /* Init CPU def lists, based on config
4046 * - Must be called after all the qemu_read_config_file() calls
4047 * - Must be called before list_cpus()
4048 * - Must be called before machine->init()
4049 */
4050 cpudef_init();
4051
4052 if (cpu_model && is_help_option(cpu_model)) {
4053 list_cpus(stdout, &fprintf, cpu_model);
4054 exit(0);
4055 }
4056
4057 /* Open the logfile at this point and set the log mask if necessary.
4058 */
4059 if (log_file) {
4060 qemu_set_log_filename(log_file);
4061 }
4062
4063 if (log_mask) {
4064 int mask;
4065 mask = qemu_str_to_log_mask(log_mask);
4066 if (!mask) {
4067 qemu_print_log_usage(stdout);
4068 exit(1);
4069 }
4070 qemu_set_log(mask);
4071 }
4072
4073 if (!is_daemonized()) {
4074 if (!trace_init_backends(trace_events, trace_file)) {
4075 exit(1);
4076 }
4077 }
4078
4079 /* If no data_dir is specified then try to find it relative to the
4080 executable path. */
4081 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4082 data_dir[data_dir_idx] = os_find_datadir();
4083 if (data_dir[data_dir_idx] != NULL) {
4084 data_dir_idx++;
4085 }
4086 }
4087 /* If all else fails use the install path specified when building. */
4088 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4089 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4090 }
4091
4092 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4093
4094 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4095 if (max_cpus > machine_class->max_cpus) {
4096 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4097 "supported by machine `%s' (%d)\n", max_cpus,
4098 machine_class->name, machine_class->max_cpus);
4099 exit(1);
4100 }
4101
4102 /*
4103 * Get the default machine options from the machine if it is not already
4104 * specified either by the configuration file or by the command line.
4105 */
4106 if (machine_class->default_machine_opts) {
4107 qemu_opts_set_defaults(qemu_find_opts("machine"),
4108 machine_class->default_machine_opts, 0);
4109 }
4110
4111 qemu_opts_foreach(qemu_find_opts("device"),
4112 default_driver_check, NULL, NULL);
4113 qemu_opts_foreach(qemu_find_opts("global"),
4114 default_driver_check, NULL, NULL);
4115
4116 if (!vga_model && !default_vga) {
4117 vga_interface_type = VGA_DEVICE;
4118 }
4119 if (!has_defaults || machine_class->no_serial) {
4120 default_serial = 0;
4121 }
4122 if (!has_defaults || machine_class->no_parallel) {
4123 default_parallel = 0;
4124 }
4125 if (!has_defaults || !machine_class->use_virtcon) {
4126 default_virtcon = 0;
4127 }
4128 if (!has_defaults || !machine_class->use_sclp) {
4129 default_sclp = 0;
4130 }
4131 if (!has_defaults || machine_class->no_floppy) {
4132 default_floppy = 0;
4133 }
4134 if (!has_defaults || machine_class->no_cdrom) {
4135 default_cdrom = 0;
4136 }
4137 if (!has_defaults || machine_class->no_sdcard) {
4138 default_sdcard = 0;
4139 }
4140 if (!has_defaults) {
4141 default_monitor = 0;
4142 default_net = 0;
4143 default_vga = 0;
4144 }
4145
4146 if (is_daemonized()) {
4147 /* According to documentation and historically, -nographic redirects
4148 * serial port, parallel port and monitor to stdio, which does not work
4149 * with -daemonize. We can redirect these to null instead, but since
4150 * -nographic is legacy, let's just error out.
4151 * We disallow -nographic only if all other ports are not redirected
4152 * explicitly, to not break existing legacy setups which uses
4153 * -nographic _and_ redirects all ports explicitly - this is valid
4154 * usage, -nographic is just a no-op in this case.
4155 */
4156 if (display_type == DT_NOGRAPHIC
4157 && (default_parallel || default_serial
4158 || default_monitor || default_virtcon)) {
4159 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4160 exit(1);
4161 }
4162 #ifdef CONFIG_CURSES
4163 if (display_type == DT_CURSES) {
4164 fprintf(stderr, "curses display can not be used with -daemonize\n");
4165 exit(1);
4166 }
4167 #endif
4168 }
4169
4170 if (display_type == DT_NOGRAPHIC) {
4171 if (default_parallel)
4172 add_device_config(DEV_PARALLEL, "null");
4173 if (default_serial && default_monitor) {
4174 add_device_config(DEV_SERIAL, "mon:stdio");
4175 } else if (default_virtcon && default_monitor) {
4176 add_device_config(DEV_VIRTCON, "mon:stdio");
4177 } else if (default_sclp && default_monitor) {
4178 add_device_config(DEV_SCLP, "mon:stdio");
4179 } else {
4180 if (default_serial)
4181 add_device_config(DEV_SERIAL, "stdio");
4182 if (default_virtcon)
4183 add_device_config(DEV_VIRTCON, "stdio");
4184 if (default_sclp) {
4185 add_device_config(DEV_SCLP, "stdio");
4186 }
4187 if (default_monitor)
4188 monitor_parse("stdio", "readline", false);
4189 }
4190 } else {
4191 if (default_serial)
4192 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4193 if (default_parallel)
4194 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4195 if (default_monitor)
4196 monitor_parse("vc:80Cx24C", "readline", false);
4197 if (default_virtcon)
4198 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4199 if (default_sclp) {
4200 add_device_config(DEV_SCLP, "vc:80Cx24C");
4201 }
4202 }
4203
4204 #if defined(CONFIG_VNC)
4205 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4206 display_remote++;
4207 }
4208 #endif
4209 if (display_type == DT_DEFAULT && !display_remote) {
4210 #if defined(CONFIG_GTK)
4211 display_type = DT_GTK;
4212 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4213 display_type = DT_SDL;
4214 #elif defined(CONFIG_VNC)
4215 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4216 show_vnc_port = 1;
4217 #else
4218 display_type = DT_NONE;
4219 #endif
4220 }
4221
4222 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4223 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4224 "for SDL, ignoring option\n");
4225 }
4226 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4227 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4228 "ignoring option\n");
4229 }
4230
4231 #if defined(CONFIG_GTK)
4232 if (display_type == DT_GTK) {
4233 early_gtk_display_init(request_opengl);
4234 }
4235 #endif
4236 #if defined(CONFIG_SDL)
4237 if (display_type == DT_SDL) {
4238 sdl_display_early_init(request_opengl);
4239 }
4240 #endif
4241 if (request_opengl == 1 && display_opengl == 0) {
4242 #if defined(CONFIG_OPENGL)
4243 fprintf(stderr, "OpenGL is not supported by the display.\n");
4244 #else
4245 fprintf(stderr, "QEMU was built without opengl support.\n");
4246 #endif
4247 exit(1);
4248 }
4249
4250 socket_init();
4251
4252 if (qemu_opts_foreach(qemu_find_opts("object"),
4253 object_create,
4254 object_create_initial, NULL)) {
4255 exit(1);
4256 }
4257
4258 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4259 chardev_init_func, NULL, NULL)) {
4260 exit(1);
4261 }
4262
4263 #ifdef CONFIG_VIRTFS
4264 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4265 fsdev_init_func, NULL, NULL)) {
4266 exit(1);
4267 }
4268 #endif
4269
4270 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4271 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4272 exit(1);
4273 }
4274
4275 if (qemu_opts_foreach(qemu_find_opts("device"),
4276 device_help_func, NULL, NULL)) {
4277 exit(0);
4278 }
4279
4280 if (qemu_opts_foreach(qemu_find_opts("object"),
4281 object_create,
4282 object_create_delayed, NULL)) {
4283 exit(1);
4284 }
4285
4286 machine_opts = qemu_get_machine_opts();
4287 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4288 NULL)) {
4289 object_unref(OBJECT(current_machine));
4290 exit(1);
4291 }
4292
4293 configure_accelerator(current_machine);
4294
4295 if (qtest_chrdev) {
4296 Error *local_err = NULL;
4297 qtest_init(qtest_chrdev, qtest_log, &local_err);
4298 if (local_err) {
4299 error_report_err(local_err);
4300 exit(1);
4301 }
4302 }
4303
4304 machine_opts = qemu_get_machine_opts();
4305 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4306 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4307 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4308 bios_name = qemu_opt_get(machine_opts, "firmware");
4309
4310 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4311 if (opts) {
4312 Error *local_err = NULL;
4313
4314 boot_order = qemu_opt_get(opts, "order");
4315 if (boot_order) {
4316 validate_bootdevices(boot_order, &local_err);
4317 if (local_err) {
4318 error_report_err(local_err);
4319 exit(1);
4320 }
4321 }
4322
4323 boot_once = qemu_opt_get(opts, "once");
4324 if (boot_once) {
4325 validate_bootdevices(boot_once, &local_err);
4326 if (local_err) {
4327 error_report_err(local_err);
4328 exit(1);
4329 }
4330 }
4331
4332 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4333 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4334 }
4335
4336 if (!boot_order) {
4337 boot_order = machine_class->default_boot_order;
4338 }
4339
4340 if (!kernel_cmdline) {
4341 kernel_cmdline = "";
4342 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4343 }
4344
4345 linux_boot = (kernel_filename != NULL);
4346
4347 if (!linux_boot && *kernel_cmdline != '\0') {
4348 fprintf(stderr, "-append only allowed with -kernel option\n");
4349 exit(1);
4350 }
4351
4352 if (!linux_boot && initrd_filename != NULL) {
4353 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4354 exit(1);
4355 }
4356
4357 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4358 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4359 exit(1);
4360 }
4361
4362 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4363 /* fall back to the -kernel/-append */
4364 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4365 }
4366
4367 os_set_line_buffering();
4368
4369 #ifdef CONFIG_SPICE
4370 /* spice needs the timers to be initialized by this point */
4371 qemu_spice_init();
4372 #endif
4373
4374 cpu_ticks_init();
4375 if (icount_opts) {
4376 if (kvm_enabled() || xen_enabled()) {
4377 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4378 exit(1);
4379 }
4380 configure_icount(icount_opts, &error_abort);
4381 qemu_opts_del(icount_opts);
4382 }
4383
4384 /* clean up network at qemu process termination */
4385 atexit(&net_cleanup);
4386
4387 if (net_init_clients() < 0) {
4388 exit(1);
4389 }
4390
4391 #ifdef CONFIG_TPM
4392 if (tpm_init() < 0) {
4393 exit(1);
4394 }
4395 #endif
4396
4397 /* init the bluetooth world */
4398 if (foreach_device_config(DEV_BT, bt_parse))
4399 exit(1);
4400
4401 if (!xen_enabled()) {
4402 /* On 32-bit hosts, QEMU is limited by virtual address space */
4403 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4404 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4405 exit(1);
4406 }
4407 }
4408
4409 blk_mig_init();
4410 ram_mig_init();
4411
4412 /* If the currently selected machine wishes to override the units-per-bus
4413 * property of its default HBA interface type, do so now. */
4414 if (machine_class->units_per_default_bus) {
4415 override_max_devs(machine_class->block_default_type,
4416 machine_class->units_per_default_bus);
4417 }
4418
4419 /* open the virtual block devices */
4420 if (snapshot)
4421 qemu_opts_foreach(qemu_find_opts("drive"),
4422 drive_enable_snapshot, NULL, NULL);
4423 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4424 &machine_class->block_default_type, NULL)) {
4425 exit(1);
4426 }
4427
4428 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4429 CDROM_OPTS);
4430 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4431 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4432
4433 parse_numa_opts(machine_class);
4434
4435 if (qemu_opts_foreach(qemu_find_opts("mon"),
4436 mon_init_func, NULL, NULL)) {
4437 exit(1);
4438 }
4439
4440 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4441 exit(1);
4442 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4443 exit(1);
4444 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4445 exit(1);
4446 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4447 exit(1);
4448 }
4449 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4450 exit(1);
4451
4452 /* If no default VGA is requested, the default is "none". */
4453 if (default_vga) {
4454 if (machine_class->default_display) {
4455 vga_model = machine_class->default_display;
4456 } else if (cirrus_vga_available()) {
4457 vga_model = "cirrus";
4458 } else if (vga_available()) {
4459 vga_model = "std";
4460 }
4461 }
4462 if (vga_model) {
4463 select_vgahw(vga_model);
4464 }
4465
4466 if (watchdog) {
4467 i = select_watchdog(watchdog);
4468 if (i > 0)
4469 exit (i == 1 ? 1 : 0);
4470 }
4471
4472 if (machine_class->compat_props) {
4473 qdev_prop_register_global_list(machine_class->compat_props);
4474 }
4475 qemu_add_globals();
4476
4477 qdev_machine_init();
4478
4479 current_machine->ram_size = ram_size;
4480 current_machine->maxram_size = maxram_size;
4481 current_machine->ram_slots = ram_slots;
4482 current_machine->boot_order = boot_order;
4483 current_machine->cpu_model = cpu_model;
4484
4485 machine_class->init(current_machine);
4486
4487 realtime_init();
4488
4489 audio_init();
4490
4491 cpu_synchronize_all_post_init();
4492
4493 numa_post_machine_init();
4494
4495 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4496 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4497 exit(1);
4498 }
4499
4500 /* init USB devices */
4501 if (usb_enabled()) {
4502 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4503 exit(1);
4504 }
4505
4506 /* init generic devices */
4507 if (qemu_opts_foreach(qemu_find_opts("device"),
4508 device_init_func, NULL, NULL)) {
4509 exit(1);
4510 }
4511
4512 /* Did we create any drives that we failed to create a device for? */
4513 drive_check_orphaned();
4514
4515 net_check_clients();
4516
4517 if (boot_once) {
4518 Error *local_err = NULL;
4519 qemu_boot_set(boot_once, &local_err);
4520 if (local_err) {
4521 error_report("%s", error_get_pretty(local_err));
4522 exit(1);
4523 }
4524 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4525 }
4526
4527 ds = init_displaystate();
4528
4529 /* init local displays */
4530 switch (display_type) {
4531 case DT_NOGRAPHIC:
4532 (void)ds; /* avoid warning if no display is configured */
4533 break;
4534 #if defined(CONFIG_CURSES)
4535 case DT_CURSES:
4536 curses_display_init(ds, full_screen);
4537 break;
4538 #endif
4539 #if defined(CONFIG_SDL)
4540 case DT_SDL:
4541 sdl_display_init(ds, full_screen, no_frame);
4542 break;
4543 #elif defined(CONFIG_COCOA)
4544 case DT_SDL:
4545 cocoa_display_init(ds, full_screen);
4546 break;
4547 #endif
4548 #if defined(CONFIG_GTK)
4549 case DT_GTK:
4550 gtk_display_init(ds, full_screen, grab_on_hover);
4551 break;
4552 #endif
4553 default:
4554 break;
4555 }
4556
4557 /* must be after terminal init, SDL library changes signal handlers */
4558 os_setup_signal_handling();
4559
4560 #ifdef CONFIG_VNC
4561 /* init remote displays */
4562 qemu_opts_foreach(qemu_find_opts("vnc"),
4563 vnc_init_func, NULL, NULL);
4564 if (show_vnc_port) {
4565 char *ret = vnc_display_local_addr("default");
4566 printf("VNC server running on `%s'\n", ret);
4567 g_free(ret);
4568 }
4569 #endif
4570 #ifdef CONFIG_SPICE
4571 if (using_spice) {
4572 qemu_spice_display_init();
4573 }
4574 #endif
4575
4576 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4577 exit(1);
4578 }
4579
4580 qdev_machine_creation_done();
4581
4582 if (rom_load_all() != 0) {
4583 fprintf(stderr, "rom loading failed\n");
4584 exit(1);
4585 }
4586
4587 /* TODO: once all bus devices are qdevified, this should be done
4588 * when bus is created by qdev.c */
4589 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4590 qemu_run_machine_init_done_notifiers();
4591
4592 /* Done notifiers can load ROMs */
4593 rom_load_done();
4594
4595 qemu_system_reset(VMRESET_SILENT);
4596 if (loadvm) {
4597 if (load_vmstate(loadvm) < 0) {
4598 autostart = 0;
4599 }
4600 }
4601
4602 qdev_prop_check_globals();
4603 if (vmstate_dump_file) {
4604 /* dump and exit */
4605 dump_vmstate_json_to_file(vmstate_dump_file);
4606 return 0;
4607 }
4608
4609 if (incoming) {
4610 Error *local_err = NULL;
4611 qemu_start_incoming_migration(incoming, &local_err);
4612 if (local_err) {
4613 error_report("-incoming %s: %s", incoming,
4614 error_get_pretty(local_err));
4615 error_free(local_err);
4616 exit(1);
4617 }
4618 } else if (autostart) {
4619 vm_start();
4620 }
4621
4622 os_setup_post();
4623
4624 if (is_daemonized()) {
4625 if (!trace_init_backends(trace_events, trace_file)) {
4626 exit(1);
4627 }
4628 }
4629
4630 main_loop();
4631 bdrv_close_all();
4632 pause_all_vcpus();
4633 res_free();
4634 #ifdef CONFIG_TPM
4635 tpm_cleanup();
4636 #endif
4637
4638 return 0;
4639 }
AR7 emulation for QEMU