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libqos: allow zero-size allocations
[qemu/ar7.git] / vl.c
blob5aaea77b0a29c46bcb8d03bd64a45fd09cf988cd
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125 #include "sysemu/replay.h"
126 #include "qapi/qmp/qerror.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 DisplayType display_type = DT_DEFAULT;
136 int request_opengl = -1;
137 int display_opengl;
138 static int display_remote;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 int nb_nics;
145 NICInfo nd_table[MAX_NICS];
146 int autostart;
147 static int rtc_utc = 1;
148 static int rtc_date_offset = -1; /* -1 means no change */
149 QEMUClockType rtc_clock;
150 int vga_interface_type = VGA_NONE;
151 static int full_screen = 0;
152 static int no_frame = 0;
153 int no_quit = 0;
154 #ifdef CONFIG_GTK
155 static bool grab_on_hover;
156 #endif
157 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
158 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
159 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
161 int win2k_install_hack = 0;
162 int singlestep = 0;
163 int smp_cpus = 1;
164 int max_cpus = 0;
165 int smp_cores = 1;
166 int smp_threads = 1;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 size_t boot_splash_filedata_size;
187 uint8_t qemu_extra_params_fw[2];
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 uint8_t qemu_uuid[16];
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_sclp = 1;
212 static int default_monitor = 1;
213 static int default_floppy = 1;
214 static int default_cdrom = 1;
215 static int default_sdcard = 1;
216 static int default_vga = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
230 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
231 { .driver = "virtio-serial", .flag = &default_virtcon },
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
238 { .driver = "virtio-vga", .flag = &default_vga },
239 };
240
241 static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .desc = {
245 {
246 .name = "base",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "clock",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "driftfix",
253 .type = QEMU_OPT_STRING,
254 },
255 { /* end of list */ }
256 },
257 };
258
259 static QemuOptsList qemu_sandbox_opts = {
260 .name = "sandbox",
261 .implied_opt_name = "enable",
262 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
263 .desc = {
264 {
265 .name = "enable",
266 .type = QEMU_OPT_BOOL,
267 },
268 { /* end of list */ }
269 },
270 };
271
272 static QemuOptsList qemu_trace_opts = {
273 .name = "trace",
274 .implied_opt_name = "trace",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
276 .desc = {
277 {
278 .name = "events",
279 .type = QEMU_OPT_STRING,
280 },{
281 .name = "file",
282 .type = QEMU_OPT_STRING,
283 },
284 { /* end of list */ }
285 },
286 };
287
288 static QemuOptsList qemu_option_rom_opts = {
289 .name = "option-rom",
290 .implied_opt_name = "romfile",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .desc = {
293 {
294 .name = "bootindex",
295 .type = QEMU_OPT_NUMBER,
296 }, {
297 .name = "romfile",
298 .type = QEMU_OPT_STRING,
299 },
300 { /* end of list */ }
301 },
302 };
303
304 static QemuOptsList qemu_machine_opts = {
305 .name = "machine",
306 .implied_opt_name = "type",
307 .merge_lists = true,
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 .desc = {
310 /*
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
314 */
315 { }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_msg_opts = {
404 .name = "msg",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
406 .desc = {
407 {
408 .name = "timestamp",
409 .type = QEMU_OPT_BOOL,
410 },
411 { /* end of list */ }
412 },
413 };
414
415 static QemuOptsList qemu_name_opts = {
416 .name = "name",
417 .implied_opt_name = "guest",
418 .merge_lists = true,
419 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
420 .desc = {
421 {
422 .name = "guest",
423 .type = QEMU_OPT_STRING,
424 .help = "Sets the name of the guest.\n"
425 "This name will be displayed in the SDL window caption.\n"
426 "The name will also be used for the VNC server",
427 }, {
428 .name = "process",
429 .type = QEMU_OPT_STRING,
430 .help = "Sets the name of the QEMU process, as shown in top etc",
431 }, {
432 .name = "debug-threads",
433 .type = QEMU_OPT_BOOL,
434 .help = "When enabled, name the individual threads; defaults off.\n"
435 "NOTE: The thread names are for debugging and not a\n"
436 "stable API.",
437 },
438 { /* End of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_mem_opts = {
443 .name = "memory",
444 .implied_opt_name = "size",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
446 .merge_lists = true,
447 .desc = {
448 {
449 .name = "size",
450 .type = QEMU_OPT_SIZE,
451 },
452 {
453 .name = "slots",
454 .type = QEMU_OPT_NUMBER,
455 },
456 {
457 .name = "maxmem",
458 .type = QEMU_OPT_SIZE,
459 },
460 { /* end of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_icount_opts = {
465 .name = "icount",
466 .implied_opt_name = "shift",
467 .merge_lists = true,
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
469 .desc = {
470 {
471 .name = "shift",
472 .type = QEMU_OPT_STRING,
473 }, {
474 .name = "align",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "sleep",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "rr",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "rrfile",
484 .type = QEMU_OPT_STRING,
485 },
486 { /* end of list */ }
487 },
488 };
489
490 static QemuOptsList qemu_semihosting_config_opts = {
491 .name = "semihosting-config",
492 .implied_opt_name = "enable",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
494 .desc = {
495 {
496 .name = "enable",
497 .type = QEMU_OPT_BOOL,
498 }, {
499 .name = "target",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "arg",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_fw_cfg_opts = {
510 .name = "fw_cfg",
511 .implied_opt_name = "name",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
513 .desc = {
514 {
515 .name = "name",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the fw_cfg name of the blob to be inserted",
518 }, {
519 .name = "file",
520 .type = QEMU_OPT_STRING,
521 .help = "Sets the name of the file from which\n"
522 "the fw_cfg blob will be loaded",
523 }, {
524 .name = "string",
525 .type = QEMU_OPT_STRING,
526 .help = "Sets content of the blob to be inserted from a string",
527 },
528 { /* end of list */ }
529 },
530 };
531
532 /**
533 * Get machine options
534 *
535 * Returns: machine options (never null).
536 */
537 QemuOpts *qemu_get_machine_opts(void)
538 {
539 return qemu_find_opts_singleton("machine");
540 }
541
542 const char *qemu_get_vm_name(void)
543 {
544 return qemu_name;
545 }
546
547 static void res_free(void)
548 {
549 g_free(boot_splash_filedata);
550 boot_splash_filedata = NULL;
551 }
552
553 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
554 {
555 const char *driver = qemu_opt_get(opts, "driver");
556 int i;
557
558 if (!driver)
559 return 0;
560 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
561 if (strcmp(default_list[i].driver, driver) != 0)
562 continue;
563 *(default_list[i].flag) = 0;
564 }
565 return 0;
566 }
567
568 /***********************************************************/
569 /* QEMU state */
570
571 static RunState current_run_state = RUN_STATE_PRELAUNCH;
572
573 /* We use RUN_STATE__MAX but any invalid value will do */
574 static RunState vmstop_requested = RUN_STATE__MAX;
575 static QemuMutex vmstop_lock;
576
577 typedef struct {
578 RunState from;
579 RunState to;
580 } RunStateTransition;
581
582 static const RunStateTransition runstate_transitions_def[] = {
583 /* from -> to */
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
594 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
595 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
604 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
607 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
610 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
612
613 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
614 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
615
616 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
619 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
620 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
621 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
622 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
624 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
625 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
626 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
627 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
628
629 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
630
631 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
632 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
635 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
636 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
637 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
638
639 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
640 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
643 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
644
645 { RUN_STATE__MAX, RUN_STATE__MAX },
646 };
647
648 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
649
650 bool runstate_check(RunState state)
651 {
652 return current_run_state == state;
653 }
654
655 bool runstate_store(char *str, size_t size)
656 {
657 const char *state = RunState_lookup[current_run_state];
658 size_t len = strlen(state) + 1;
659
660 if (len > size) {
661 return false;
662 }
663 memcpy(str, state, len);
664 return true;
665 }
666
667 static void runstate_init(void)
668 {
669 const RunStateTransition *p;
670
671 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
672 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
673 runstate_valid_transitions[p->from][p->to] = true;
674 }
675
676 qemu_mutex_init(&vmstop_lock);
677 }
678
679 /* This function will abort() on invalid state transitions */
680 void runstate_set(RunState new_state)
681 {
682 assert(new_state < RUN_STATE__MAX);
683
684 if (!runstate_valid_transitions[current_run_state][new_state]) {
685 error_report("invalid runstate transition: '%s' -> '%s'",
686 RunState_lookup[current_run_state],
687 RunState_lookup[new_state]);
688 abort();
689 }
690 trace_runstate_set(new_state);
691 current_run_state = new_state;
692 }
693
694 int runstate_is_running(void)
695 {
696 return runstate_check(RUN_STATE_RUNNING);
697 }
698
699 bool runstate_needs_reset(void)
700 {
701 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
702 runstate_check(RUN_STATE_SHUTDOWN);
703 }
704
705 StatusInfo *qmp_query_status(Error **errp)
706 {
707 StatusInfo *info = g_malloc0(sizeof(*info));
708
709 info->running = runstate_is_running();
710 info->singlestep = singlestep;
711 info->status = current_run_state;
712
713 return info;
714 }
715
716 static bool qemu_vmstop_requested(RunState *r)
717 {
718 qemu_mutex_lock(&vmstop_lock);
719 *r = vmstop_requested;
720 vmstop_requested = RUN_STATE__MAX;
721 qemu_mutex_unlock(&vmstop_lock);
722 return *r < RUN_STATE__MAX;
723 }
724
725 void qemu_system_vmstop_request_prepare(void)
726 {
727 qemu_mutex_lock(&vmstop_lock);
728 }
729
730 void qemu_system_vmstop_request(RunState state)
731 {
732 vmstop_requested = state;
733 qemu_mutex_unlock(&vmstop_lock);
734 qemu_notify_event();
735 }
736
737 void vm_start(void)
738 {
739 RunState requested;
740
741 qemu_vmstop_requested(&requested);
742 if (runstate_is_running() && requested == RUN_STATE__MAX) {
743 return;
744 }
745
746 /* Ensure that a STOP/RESUME pair of events is emitted if a
747 * vmstop request was pending. The BLOCK_IO_ERROR event, for
748 * example, according to documentation is always followed by
749 * the STOP event.
750 */
751 if (runstate_is_running()) {
752 qapi_event_send_stop(&error_abort);
753 } else {
754 cpu_enable_ticks();
755 runstate_set(RUN_STATE_RUNNING);
756 vm_state_notify(1, RUN_STATE_RUNNING);
757 resume_all_vcpus();
758 }
759
760 qapi_event_send_resume(&error_abort);
761 }
762
763
764 /***********************************************************/
765 /* real time host monotonic timer */
766
767 static time_t qemu_time(void)
768 {
769 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
770 }
771
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
775 {
776 time_t ti = qemu_time();
777
778 ti += offset;
779 if (rtc_date_offset == -1) {
780 if (rtc_utc)
781 gmtime_r(&ti, tm);
782 else
783 localtime_r(&ti, tm);
784 } else {
785 ti -= rtc_date_offset;
786 gmtime_r(&ti, tm);
787 }
788 }
789
790 int qemu_timedate_diff(struct tm *tm)
791 {
792 time_t seconds;
793
794 if (rtc_date_offset == -1)
795 if (rtc_utc)
796 seconds = mktimegm(tm);
797 else {
798 struct tm tmp = *tm;
799 tmp.tm_isdst = -1; /* use timezone to figure it out */
800 seconds = mktime(&tmp);
801 }
802 else
803 seconds = mktimegm(tm) + rtc_date_offset;
804
805 return seconds - qemu_time();
806 }
807
808 static void configure_rtc_date_offset(const char *startdate, int legacy)
809 {
810 time_t rtc_start_date;
811 struct tm tm;
812
813 if (!strcmp(startdate, "now") && legacy) {
814 rtc_date_offset = -1;
815 } else {
816 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday,
820 &tm.tm_hour,
821 &tm.tm_min,
822 &tm.tm_sec) == 6) {
823 /* OK */
824 } else if (sscanf(startdate, "%d-%d-%d",
825 &tm.tm_year,
826 &tm.tm_mon,
827 &tm.tm_mday) == 3) {
828 tm.tm_hour = 0;
829 tm.tm_min = 0;
830 tm.tm_sec = 0;
831 } else {
832 goto date_fail;
833 }
834 tm.tm_year -= 1900;
835 tm.tm_mon--;
836 rtc_start_date = mktimegm(&tm);
837 if (rtc_start_date == -1) {
838 date_fail:
839 error_report("invalid date format");
840 error_printf("valid formats: "
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
842 exit(1);
843 }
844 rtc_date_offset = qemu_time() - rtc_start_date;
845 }
846 }
847
848 static void configure_rtc(QemuOpts *opts)
849 {
850 const char *value;
851
852 value = qemu_opt_get(opts, "base");
853 if (value) {
854 if (!strcmp(value, "utc")) {
855 rtc_utc = 1;
856 } else if (!strcmp(value, "localtime")) {
857 Error *blocker = NULL;
858 rtc_utc = 0;
859 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
860 "-rtc base=localtime");
861 replay_add_blocker(blocker);
862 } else {
863 configure_rtc_date_offset(value, 0);
864 }
865 }
866 value = qemu_opt_get(opts, "clock");
867 if (value) {
868 if (!strcmp(value, "host")) {
869 rtc_clock = QEMU_CLOCK_HOST;
870 } else if (!strcmp(value, "rt")) {
871 rtc_clock = QEMU_CLOCK_REALTIME;
872 } else if (!strcmp(value, "vm")) {
873 rtc_clock = QEMU_CLOCK_VIRTUAL;
874 } else {
875 error_report("invalid option value '%s'", value);
876 exit(1);
877 }
878 }
879 value = qemu_opt_get(opts, "driftfix");
880 if (value) {
881 if (!strcmp(value, "slew")) {
882 static GlobalProperty slew_lost_ticks[] = {
883 {
884 .driver = "mc146818rtc",
885 .property = "lost_tick_policy",
886 .value = "slew",
887 },
888 { /* end of list */ }
889 };
890
891 qdev_prop_register_global_list(slew_lost_ticks);
892 } else if (!strcmp(value, "none")) {
893 /* discard is default */
894 } else {
895 error_report("invalid option value '%s'", value);
896 exit(1);
897 }
898 }
899 }
900
901 /***********************************************************/
902 /* Bluetooth support */
903 static int nb_hcis;
904 static int cur_hci;
905 static struct HCIInfo *hci_table[MAX_NICS];
906
907 struct HCIInfo *qemu_next_hci(void)
908 {
909 if (cur_hci == nb_hcis)
910 return &null_hci;
911
912 return hci_table[cur_hci++];
913 }
914
915 static int bt_hci_parse(const char *str)
916 {
917 struct HCIInfo *hci;
918 bdaddr_t bdaddr;
919
920 if (nb_hcis >= MAX_NICS) {
921 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
922 return -1;
923 }
924
925 hci = hci_init(str);
926 if (!hci)
927 return -1;
928
929 bdaddr.b[0] = 0x52;
930 bdaddr.b[1] = 0x54;
931 bdaddr.b[2] = 0x00;
932 bdaddr.b[3] = 0x12;
933 bdaddr.b[4] = 0x34;
934 bdaddr.b[5] = 0x56 + nb_hcis;
935 hci->bdaddr_set(hci, bdaddr.b);
936
937 hci_table[nb_hcis++] = hci;
938
939 return 0;
940 }
941
942 static void bt_vhci_add(int vlan_id)
943 {
944 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
945
946 if (!vlan->slave)
947 error_report("warning: adding a VHCI to an empty scatternet %i",
948 vlan_id);
949
950 bt_vhci_init(bt_new_hci(vlan));
951 }
952
953 static struct bt_device_s *bt_device_add(const char *opt)
954 {
955 struct bt_scatternet_s *vlan;
956 int vlan_id = 0;
957 char *endp = strstr(opt, ",vlan=");
958 int len = (endp ? endp - opt : strlen(opt)) + 1;
959 char devname[10];
960
961 pstrcpy(devname, MIN(sizeof(devname), len), opt);
962
963 if (endp) {
964 vlan_id = strtol(endp + 6, &endp, 0);
965 if (*endp) {
966 error_report("unrecognised bluetooth vlan Id");
967 return 0;
968 }
969 }
970
971 vlan = qemu_find_bt_vlan(vlan_id);
972
973 if (!vlan->slave)
974 error_report("warning: adding a slave device to an empty scatternet %i",
975 vlan_id);
976
977 if (!strcmp(devname, "keyboard"))
978 return bt_keyboard_init(vlan);
979
980 error_report("unsupported bluetooth device '%s'", devname);
981 return 0;
982 }
983
984 static int bt_parse(const char *opt)
985 {
986 const char *endp, *p;
987 int vlan;
988
989 if (strstart(opt, "hci", &endp)) {
990 if (!*endp || *endp == ',') {
991 if (*endp)
992 if (!strstart(endp, ",vlan=", 0))
993 opt = endp + 1;
994
995 return bt_hci_parse(opt);
996 }
997 } else if (strstart(opt, "vhci", &endp)) {
998 if (!*endp || *endp == ',') {
999 if (*endp) {
1000 if (strstart(endp, ",vlan=", &p)) {
1001 vlan = strtol(p, (char **) &endp, 0);
1002 if (*endp) {
1003 error_report("bad scatternet '%s'", p);
1004 return 1;
1005 }
1006 } else {
1007 error_report("bad parameter '%s'", endp + 1);
1008 return 1;
1009 }
1010 } else
1011 vlan = 0;
1012
1013 bt_vhci_add(vlan);
1014 return 0;
1015 }
1016 } else if (strstart(opt, "device:", &endp))
1017 return !bt_device_add(endp);
1018
1019 error_report("bad bluetooth parameter '%s'", opt);
1020 return 1;
1021 }
1022
1023 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1024 {
1025 /* FIXME: change this to true for 1.3 */
1026 if (qemu_opt_get_bool(opts, "enable", false)) {
1027 #ifdef CONFIG_SECCOMP
1028 if (seccomp_start() < 0) {
1029 error_report("failed to install seccomp syscall filter "
1030 "in the kernel");
1031 return -1;
1032 }
1033 #else
1034 error_report("seccomp support is disabled");
1035 return -1;
1036 #endif
1037 }
1038
1039 return 0;
1040 }
1041
1042 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1043 {
1044 const char *proc_name;
1045
1046 if (qemu_opt_get(opts, "debug-threads")) {
1047 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1048 }
1049 qemu_name = qemu_opt_get(opts, "guest");
1050
1051 proc_name = qemu_opt_get(opts, "process");
1052 if (proc_name) {
1053 os_set_proc_name(proc_name);
1054 }
1055
1056 return 0;
1057 }
1058
1059 bool defaults_enabled(void)
1060 {
1061 return has_defaults;
1062 }
1063
1064 bool usb_enabled(void)
1065 {
1066 return machine_usb(current_machine);
1067 }
1068
1069 #ifndef _WIN32
1070 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1071 {
1072 int fd, dupfd, flags;
1073 int64_t fdset_id;
1074 const char *fd_opaque = NULL;
1075 AddfdInfo *fdinfo;
1076
1077 fd = qemu_opt_get_number(opts, "fd", -1);
1078 fdset_id = qemu_opt_get_number(opts, "set", -1);
1079 fd_opaque = qemu_opt_get(opts, "opaque");
1080
1081 if (fd < 0) {
1082 error_report("fd option is required and must be non-negative");
1083 return -1;
1084 }
1085
1086 if (fd <= STDERR_FILENO) {
1087 error_report("fd cannot be a standard I/O stream");
1088 return -1;
1089 }
1090
1091 /*
1092 * All fds inherited across exec() necessarily have FD_CLOEXEC
1093 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1094 */
1095 flags = fcntl(fd, F_GETFD);
1096 if (flags == -1 || (flags & FD_CLOEXEC)) {
1097 error_report("fd is not valid or already in use");
1098 return -1;
1099 }
1100
1101 if (fdset_id < 0) {
1102 error_report("set option is required and must be non-negative");
1103 return -1;
1104 }
1105
1106 #ifdef F_DUPFD_CLOEXEC
1107 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1108 #else
1109 dupfd = dup(fd);
1110 if (dupfd != -1) {
1111 qemu_set_cloexec(dupfd);
1112 }
1113 #endif
1114 if (dupfd == -1) {
1115 error_report("error duplicating fd: %s", strerror(errno));
1116 return -1;
1117 }
1118
1119 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1120 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1121 &error_abort);
1122 g_free(fdinfo);
1123
1124 return 0;
1125 }
1126
1127 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1128 {
1129 int fd;
1130
1131 fd = qemu_opt_get_number(opts, "fd", -1);
1132 close(fd);
1133
1134 return 0;
1135 }
1136 #endif
1137
1138 /***********************************************************/
1139 /* QEMU Block devices */
1140
1141 #define HD_OPTS "media=disk"
1142 #define CDROM_OPTS "media=cdrom"
1143 #define FD_OPTS ""
1144 #define PFLASH_OPTS ""
1145 #define MTD_OPTS ""
1146 #define SD_OPTS ""
1147
1148 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1149 {
1150 BlockInterfaceType *block_default_type = opaque;
1151
1152 return drive_new(opts, *block_default_type) == NULL;
1153 }
1154
1155 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1156 {
1157 if (qemu_opt_get(opts, "snapshot") == NULL) {
1158 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1159 }
1160 return 0;
1161 }
1162
1163 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1164 int index, const char *optstr)
1165 {
1166 QemuOpts *opts;
1167 DriveInfo *dinfo;
1168
1169 if (!enable || drive_get_by_index(type, index)) {
1170 return;
1171 }
1172
1173 opts = drive_add(type, index, NULL, optstr);
1174 if (snapshot) {
1175 drive_enable_snapshot(NULL, opts, NULL);
1176 }
1177
1178 dinfo = drive_new(opts, type);
1179 if (!dinfo) {
1180 exit(1);
1181 }
1182 dinfo->is_default = true;
1183
1184 }
1185
1186 static QemuOptsList qemu_smp_opts = {
1187 .name = "smp-opts",
1188 .implied_opt_name = "cpus",
1189 .merge_lists = true,
1190 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1191 .desc = {
1192 {
1193 .name = "cpus",
1194 .type = QEMU_OPT_NUMBER,
1195 }, {
1196 .name = "sockets",
1197 .type = QEMU_OPT_NUMBER,
1198 }, {
1199 .name = "cores",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "threads",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "maxcpus",
1206 .type = QEMU_OPT_NUMBER,
1207 },
1208 { /*End of list */ }
1209 },
1210 };
1211
1212 static void smp_parse(QemuOpts *opts)
1213 {
1214 if (opts) {
1215
1216 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1217 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1218 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1219 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1220
1221 /* compute missing values, prefer sockets over cores over threads */
1222 if (cpus == 0 || sockets == 0) {
1223 sockets = sockets > 0 ? sockets : 1;
1224 cores = cores > 0 ? cores : 1;
1225 threads = threads > 0 ? threads : 1;
1226 if (cpus == 0) {
1227 cpus = cores * threads * sockets;
1228 }
1229 } else if (cores == 0) {
1230 threads = threads > 0 ? threads : 1;
1231 cores = cpus / (sockets * threads);
1232 } else if (threads == 0) {
1233 threads = cpus / (cores * sockets);
1234 } else if (sockets * cores * threads < cpus) {
1235 error_report("cpu topology: "
1236 "sockets (%u) * cores (%u) * threads (%u) < "
1237 "smp_cpus (%u)",
1238 sockets, cores, threads, cpus);
1239 exit(1);
1240 }
1241
1242 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1243 if (sockets * cores * threads > max_cpus) {
1244 error_report("cpu topology: "
1245 "sockets (%u) * cores (%u) * threads (%u) > "
1246 "maxcpus (%u)",
1247 sockets, cores, threads, max_cpus);
1248 exit(1);
1249 }
1250
1251 smp_cpus = cpus;
1252 smp_cores = cores > 0 ? cores : 1;
1253 smp_threads = threads > 0 ? threads : 1;
1254
1255 }
1256
1257 if (max_cpus == 0) {
1258 max_cpus = smp_cpus;
1259 }
1260
1261 if (max_cpus > MAX_CPUMASK_BITS) {
1262 error_report("unsupported number of maxcpus");
1263 exit(1);
1264 }
1265 if (max_cpus < smp_cpus) {
1266 error_report("maxcpus must be equal to or greater than smp");
1267 exit(1);
1268 }
1269
1270 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1271 Error *blocker = NULL;
1272 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1273 replay_add_blocker(blocker);
1274 }
1275 }
1276
1277 static void realtime_init(void)
1278 {
1279 if (enable_mlock) {
1280 if (os_mlock() < 0) {
1281 error_report("locking memory failed");
1282 exit(1);
1283 }
1284 }
1285 }
1286
1287
1288 static void configure_msg(QemuOpts *opts)
1289 {
1290 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1291 }
1292
1293 /***********************************************************/
1294 /* Semihosting */
1295
1296 typedef struct SemihostingConfig {
1297 bool enabled;
1298 SemihostingTarget target;
1299 const char **argv;
1300 int argc;
1301 const char *cmdline; /* concatenated argv */
1302 } SemihostingConfig;
1303
1304 static SemihostingConfig semihosting;
1305
1306 bool semihosting_enabled(void)
1307 {
1308 return semihosting.enabled;
1309 }
1310
1311 SemihostingTarget semihosting_get_target(void)
1312 {
1313 return semihosting.target;
1314 }
1315
1316 const char *semihosting_get_arg(int i)
1317 {
1318 if (i >= semihosting.argc) {
1319 return NULL;
1320 }
1321 return semihosting.argv[i];
1322 }
1323
1324 int semihosting_get_argc(void)
1325 {
1326 return semihosting.argc;
1327 }
1328
1329 const char *semihosting_get_cmdline(void)
1330 {
1331 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1332 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1333 }
1334 return semihosting.cmdline;
1335 }
1336
1337 static int add_semihosting_arg(void *opaque,
1338 const char *name, const char *val,
1339 Error **errp)
1340 {
1341 SemihostingConfig *s = opaque;
1342 if (strcmp(name, "arg") == 0) {
1343 s->argc++;
1344 /* one extra element as g_strjoinv() expects NULL-terminated array */
1345 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1346 s->argv[s->argc - 1] = val;
1347 s->argv[s->argc] = NULL;
1348 }
1349 return 0;
1350 }
1351
1352 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1353 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1354 {
1355 char *cmd_token;
1356
1357 /* argv[0] */
1358 add_semihosting_arg(&semihosting, "arg", file, NULL);
1359
1360 /* split -append and initialize argv[1..n] */
1361 cmd_token = strtok(g_strdup(cmd), " ");
1362 while (cmd_token) {
1363 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1364 cmd_token = strtok(NULL, " ");
1365 }
1366 }
1367
1368 /* Now we still need this for compatibility with XEN. */
1369 bool has_igd_gfx_passthru;
1370 static void igd_gfx_passthru(void)
1371 {
1372 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1373 }
1374
1375 /***********************************************************/
1376 /* USB devices */
1377
1378 static int usb_device_add(const char *devname)
1379 {
1380 USBDevice *dev = NULL;
1381 #ifndef CONFIG_LINUX
1382 const char *p;
1383 #endif
1384
1385 if (!usb_enabled()) {
1386 return -1;
1387 }
1388
1389 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1390 dev = usbdevice_create(devname);
1391 if (dev)
1392 goto done;
1393
1394 /* the other ones */
1395 #ifndef CONFIG_LINUX
1396 /* only the linux version is qdev-ified, usb-bsd still needs this */
1397 if (strstart(devname, "host:", &p)) {
1398 dev = usb_host_device_open(usb_bus_find(-1), p);
1399 }
1400 #endif
1401 if (!dev)
1402 return -1;
1403
1404 done:
1405 return 0;
1406 }
1407
1408 static int usb_device_del(const char *devname)
1409 {
1410 int bus_num, addr;
1411 const char *p;
1412
1413 if (strstart(devname, "host:", &p)) {
1414 return -1;
1415 }
1416
1417 if (!usb_enabled()) {
1418 return -1;
1419 }
1420
1421 p = strchr(devname, '.');
1422 if (!p)
1423 return -1;
1424 bus_num = strtoul(devname, NULL, 0);
1425 addr = strtoul(p + 1, NULL, 0);
1426
1427 return usb_device_delete_addr(bus_num, addr);
1428 }
1429
1430 static int usb_parse(const char *cmdline)
1431 {
1432 int r;
1433 r = usb_device_add(cmdline);
1434 if (r < 0) {
1435 error_report("could not add USB device '%s'", cmdline);
1436 }
1437 return r;
1438 }
1439
1440 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1441 {
1442 const char *devname = qdict_get_str(qdict, "devname");
1443 if (usb_device_add(devname) < 0) {
1444 error_report("could not add USB device '%s'", devname);
1445 }
1446 }
1447
1448 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1449 {
1450 const char *devname = qdict_get_str(qdict, "devname");
1451 if (usb_device_del(devname) < 0) {
1452 error_report("could not delete USB device '%s'", devname);
1453 }
1454 }
1455
1456 /***********************************************************/
1457 /* machine registration */
1458
1459 MachineState *current_machine;
1460
1461 static MachineClass *find_machine(const char *name)
1462 {
1463 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1464 MachineClass *mc = NULL;
1465
1466 for (el = machines; el; el = el->next) {
1467 MachineClass *temp = el->data;
1468
1469 if (!strcmp(temp->name, name)) {
1470 mc = temp;
1471 break;
1472 }
1473 if (temp->alias &&
1474 !strcmp(temp->alias, name)) {
1475 mc = temp;
1476 break;
1477 }
1478 }
1479
1480 g_slist_free(machines);
1481 return mc;
1482 }
1483
1484 MachineClass *find_default_machine(void)
1485 {
1486 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1487 MachineClass *mc = NULL;
1488
1489 for (el = machines; el; el = el->next) {
1490 MachineClass *temp = el->data;
1491
1492 if (temp->is_default) {
1493 mc = temp;
1494 break;
1495 }
1496 }
1497
1498 g_slist_free(machines);
1499 return mc;
1500 }
1501
1502 MachineInfoList *qmp_query_machines(Error **errp)
1503 {
1504 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1505 MachineInfoList *mach_list = NULL;
1506
1507 for (el = machines; el; el = el->next) {
1508 MachineClass *mc = el->data;
1509 MachineInfoList *entry;
1510 MachineInfo *info;
1511
1512 info = g_malloc0(sizeof(*info));
1513 if (mc->is_default) {
1514 info->has_is_default = true;
1515 info->is_default = true;
1516 }
1517
1518 if (mc->alias) {
1519 info->has_alias = true;
1520 info->alias = g_strdup(mc->alias);
1521 }
1522
1523 info->name = g_strdup(mc->name);
1524 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1525
1526 entry = g_malloc0(sizeof(*entry));
1527 entry->value = info;
1528 entry->next = mach_list;
1529 mach_list = entry;
1530 }
1531
1532 g_slist_free(machines);
1533 return mach_list;
1534 }
1535
1536 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1537 {
1538 ObjectProperty *prop;
1539 ObjectPropertyIterator *iter;
1540
1541 if (!qemu_opt_has_help_opt(opts)) {
1542 return 0;
1543 }
1544
1545 iter = object_property_iter_init(OBJECT(machine));
1546 while ((prop = object_property_iter_next(iter))) {
1547 if (!prop->set) {
1548 continue;
1549 }
1550
1551 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1552 prop->name, prop->type);
1553 if (prop->description) {
1554 error_printf(" (%s)\n", prop->description);
1555 } else {
1556 error_printf("\n");
1557 }
1558 }
1559 object_property_iter_free(iter);
1560
1561 return 1;
1562 }
1563
1564 /***********************************************************/
1565 /* main execution loop */
1566
1567 struct vm_change_state_entry {
1568 VMChangeStateHandler *cb;
1569 void *opaque;
1570 QLIST_ENTRY (vm_change_state_entry) entries;
1571 };
1572
1573 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1574
1575 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1576 void *opaque)
1577 {
1578 VMChangeStateEntry *e;
1579
1580 e = g_malloc0(sizeof (*e));
1581
1582 e->cb = cb;
1583 e->opaque = opaque;
1584 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1585 return e;
1586 }
1587
1588 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1589 {
1590 QLIST_REMOVE (e, entries);
1591 g_free (e);
1592 }
1593
1594 void vm_state_notify(int running, RunState state)
1595 {
1596 VMChangeStateEntry *e, *next;
1597
1598 trace_vm_state_notify(running, state);
1599
1600 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1601 e->cb(e->opaque, running, state);
1602 }
1603 }
1604
1605 /* reset/shutdown handler */
1606
1607 typedef struct QEMUResetEntry {
1608 QTAILQ_ENTRY(QEMUResetEntry) entry;
1609 QEMUResetHandler *func;
1610 void *opaque;
1611 } QEMUResetEntry;
1612
1613 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1614 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1615 static int reset_requested;
1616 static int shutdown_requested, shutdown_signal = -1;
1617 static pid_t shutdown_pid;
1618 static int powerdown_requested;
1619 static int debug_requested;
1620 static int suspend_requested;
1621 static WakeupReason wakeup_reason;
1622 static NotifierList powerdown_notifiers =
1623 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1624 static NotifierList suspend_notifiers =
1625 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1626 static NotifierList wakeup_notifiers =
1627 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1628 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1629
1630 int qemu_shutdown_requested_get(void)
1631 {
1632 return shutdown_requested;
1633 }
1634
1635 int qemu_reset_requested_get(void)
1636 {
1637 return reset_requested;
1638 }
1639
1640 static int qemu_shutdown_requested(void)
1641 {
1642 return atomic_xchg(&shutdown_requested, 0);
1643 }
1644
1645 static void qemu_kill_report(void)
1646 {
1647 if (!qtest_driver() && shutdown_signal != -1) {
1648 if (shutdown_pid == 0) {
1649 /* This happens for eg ^C at the terminal, so it's worth
1650 * avoiding printing an odd message in that case.
1651 */
1652 error_report("terminating on signal %d", shutdown_signal);
1653 } else {
1654 error_report("terminating on signal %d from pid " FMT_pid,
1655 shutdown_signal, shutdown_pid);
1656 }
1657 shutdown_signal = -1;
1658 }
1659 }
1660
1661 static int qemu_reset_requested(void)
1662 {
1663 int r = reset_requested;
1664 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1665 reset_requested = 0;
1666 return r;
1667 }
1668 return false;
1669 }
1670
1671 static int qemu_suspend_requested(void)
1672 {
1673 int r = suspend_requested;
1674 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1675 suspend_requested = 0;
1676 return r;
1677 }
1678 return false;
1679 }
1680
1681 static WakeupReason qemu_wakeup_requested(void)
1682 {
1683 return wakeup_reason;
1684 }
1685
1686 static int qemu_powerdown_requested(void)
1687 {
1688 int r = powerdown_requested;
1689 powerdown_requested = 0;
1690 return r;
1691 }
1692
1693 static int qemu_debug_requested(void)
1694 {
1695 int r = debug_requested;
1696 debug_requested = 0;
1697 return r;
1698 }
1699
1700 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1701 {
1702 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1703
1704 re->func = func;
1705 re->opaque = opaque;
1706 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1707 }
1708
1709 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1710 {
1711 QEMUResetEntry *re;
1712
1713 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1714 if (re->func == func && re->opaque == opaque) {
1715 QTAILQ_REMOVE(&reset_handlers, re, entry);
1716 g_free(re);
1717 return;
1718 }
1719 }
1720 }
1721
1722 void qemu_devices_reset(void)
1723 {
1724 QEMUResetEntry *re, *nre;
1725
1726 /* reset all devices */
1727 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1728 re->func(re->opaque);
1729 }
1730 }
1731
1732 void qemu_system_reset(bool report)
1733 {
1734 MachineClass *mc;
1735
1736 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1737
1738 if (mc && mc->reset) {
1739 mc->reset();
1740 } else {
1741 qemu_devices_reset();
1742 }
1743 if (report) {
1744 qapi_event_send_reset(&error_abort);
1745 }
1746 cpu_synchronize_all_post_reset();
1747 }
1748
1749 void qemu_system_guest_panicked(void)
1750 {
1751 if (current_cpu) {
1752 current_cpu->crash_occurred = true;
1753 }
1754 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1755 vm_stop(RUN_STATE_GUEST_PANICKED);
1756 }
1757
1758 void qemu_system_reset_request(void)
1759 {
1760 if (no_reboot) {
1761 shutdown_requested = 1;
1762 } else {
1763 reset_requested = 1;
1764 }
1765 cpu_stop_current();
1766 qemu_notify_event();
1767 }
1768
1769 static void qemu_system_suspend(void)
1770 {
1771 pause_all_vcpus();
1772 notifier_list_notify(&suspend_notifiers, NULL);
1773 runstate_set(RUN_STATE_SUSPENDED);
1774 qapi_event_send_suspend(&error_abort);
1775 }
1776
1777 void qemu_system_suspend_request(void)
1778 {
1779 if (runstate_check(RUN_STATE_SUSPENDED)) {
1780 return;
1781 }
1782 suspend_requested = 1;
1783 cpu_stop_current();
1784 qemu_notify_event();
1785 }
1786
1787 void qemu_register_suspend_notifier(Notifier *notifier)
1788 {
1789 notifier_list_add(&suspend_notifiers, notifier);
1790 }
1791
1792 void qemu_system_wakeup_request(WakeupReason reason)
1793 {
1794 trace_system_wakeup_request(reason);
1795
1796 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1797 return;
1798 }
1799 if (!(wakeup_reason_mask & (1 << reason))) {
1800 return;
1801 }
1802 runstate_set(RUN_STATE_RUNNING);
1803 wakeup_reason = reason;
1804 qemu_notify_event();
1805 }
1806
1807 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1808 {
1809 if (enabled) {
1810 wakeup_reason_mask |= (1 << reason);
1811 } else {
1812 wakeup_reason_mask &= ~(1 << reason);
1813 }
1814 }
1815
1816 void qemu_register_wakeup_notifier(Notifier *notifier)
1817 {
1818 notifier_list_add(&wakeup_notifiers, notifier);
1819 }
1820
1821 void qemu_system_killed(int signal, pid_t pid)
1822 {
1823 shutdown_signal = signal;
1824 shutdown_pid = pid;
1825 no_shutdown = 0;
1826
1827 /* Cannot call qemu_system_shutdown_request directly because
1828 * we are in a signal handler.
1829 */
1830 shutdown_requested = 1;
1831 qemu_notify_event();
1832 }
1833
1834 void qemu_system_shutdown_request(void)
1835 {
1836 trace_qemu_system_shutdown_request();
1837 replay_shutdown_request();
1838 shutdown_requested = 1;
1839 qemu_notify_event();
1840 }
1841
1842 static void qemu_system_powerdown(void)
1843 {
1844 qapi_event_send_powerdown(&error_abort);
1845 notifier_list_notify(&powerdown_notifiers, NULL);
1846 }
1847
1848 void qemu_system_powerdown_request(void)
1849 {
1850 trace_qemu_system_powerdown_request();
1851 powerdown_requested = 1;
1852 qemu_notify_event();
1853 }
1854
1855 void qemu_register_powerdown_notifier(Notifier *notifier)
1856 {
1857 notifier_list_add(&powerdown_notifiers, notifier);
1858 }
1859
1860 void qemu_system_debug_request(void)
1861 {
1862 debug_requested = 1;
1863 qemu_notify_event();
1864 }
1865
1866 static bool main_loop_should_exit(void)
1867 {
1868 RunState r;
1869 if (qemu_debug_requested()) {
1870 vm_stop(RUN_STATE_DEBUG);
1871 }
1872 if (qemu_suspend_requested()) {
1873 qemu_system_suspend();
1874 }
1875 if (qemu_shutdown_requested()) {
1876 qemu_kill_report();
1877 qapi_event_send_shutdown(&error_abort);
1878 if (no_shutdown) {
1879 vm_stop(RUN_STATE_SHUTDOWN);
1880 } else {
1881 return true;
1882 }
1883 }
1884 if (qemu_reset_requested()) {
1885 pause_all_vcpus();
1886 cpu_synchronize_all_states();
1887 qemu_system_reset(VMRESET_REPORT);
1888 resume_all_vcpus();
1889 if (runstate_needs_reset()) {
1890 runstate_set(RUN_STATE_PAUSED);
1891 }
1892 }
1893 if (qemu_wakeup_requested()) {
1894 pause_all_vcpus();
1895 cpu_synchronize_all_states();
1896 qemu_system_reset(VMRESET_SILENT);
1897 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1898 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1899 resume_all_vcpus();
1900 qapi_event_send_wakeup(&error_abort);
1901 }
1902 if (qemu_powerdown_requested()) {
1903 qemu_system_powerdown();
1904 }
1905 if (qemu_vmstop_requested(&r)) {
1906 vm_stop(r);
1907 }
1908 return false;
1909 }
1910
1911 static void main_loop(void)
1912 {
1913 bool nonblocking;
1914 int last_io = 0;
1915 #ifdef CONFIG_PROFILER
1916 int64_t ti;
1917 #endif
1918 do {
1919 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1920 #ifdef CONFIG_PROFILER
1921 ti = profile_getclock();
1922 #endif
1923 last_io = main_loop_wait(nonblocking);
1924 #ifdef CONFIG_PROFILER
1925 dev_time += profile_getclock() - ti;
1926 #endif
1927 } while (!main_loop_should_exit());
1928 }
1929
1930 static void version(void)
1931 {
1932 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1933 }
1934
1935 static void help(int exitcode)
1936 {
1937 version();
1938 printf("usage: %s [options] [disk_image]\n\n"
1939 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1940 error_get_progname());
1941
1942 #define QEMU_OPTIONS_GENERATE_HELP
1943 #include "qemu-options-wrapper.h"
1944
1945 printf("\nDuring emulation, the following keys are useful:\n"
1946 "ctrl-alt-f toggle full screen\n"
1947 "ctrl-alt-n switch to virtual console 'n'\n"
1948 "ctrl-alt toggle mouse and keyboard grab\n"
1949 "\n"
1950 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1951
1952 exit(exitcode);
1953 }
1954
1955 #define HAS_ARG 0x0001
1956
1957 typedef struct QEMUOption {
1958 const char *name;
1959 int flags;
1960 int index;
1961 uint32_t arch_mask;
1962 } QEMUOption;
1963
1964 static const QEMUOption qemu_options[] = {
1965 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1966 #define QEMU_OPTIONS_GENERATE_OPTIONS
1967 #include "qemu-options-wrapper.h"
1968 { NULL },
1969 };
1970
1971 static bool vga_available(void)
1972 {
1973 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1974 }
1975
1976 static bool cirrus_vga_available(void)
1977 {
1978 return object_class_by_name("cirrus-vga")
1979 || object_class_by_name("isa-cirrus-vga");
1980 }
1981
1982 static bool vmware_vga_available(void)
1983 {
1984 return object_class_by_name("vmware-svga");
1985 }
1986
1987 static bool qxl_vga_available(void)
1988 {
1989 return object_class_by_name("qxl-vga");
1990 }
1991
1992 static bool tcx_vga_available(void)
1993 {
1994 return object_class_by_name("SUNW,tcx");
1995 }
1996
1997 static bool cg3_vga_available(void)
1998 {
1999 return object_class_by_name("cgthree");
2000 }
2001
2002 static bool virtio_vga_available(void)
2003 {
2004 return object_class_by_name("virtio-vga");
2005 }
2006
2007 static void select_vgahw (const char *p)
2008 {
2009 const char *opts;
2010
2011 assert(vga_interface_type == VGA_NONE);
2012 if (strstart(p, "std", &opts)) {
2013 if (vga_available()) {
2014 vga_interface_type = VGA_STD;
2015 } else {
2016 error_report("standard VGA not available");
2017 exit(0);
2018 }
2019 } else if (strstart(p, "cirrus", &opts)) {
2020 if (cirrus_vga_available()) {
2021 vga_interface_type = VGA_CIRRUS;
2022 } else {
2023 error_report("Cirrus VGA not available");
2024 exit(0);
2025 }
2026 } else if (strstart(p, "vmware", &opts)) {
2027 if (vmware_vga_available()) {
2028 vga_interface_type = VGA_VMWARE;
2029 } else {
2030 error_report("VMWare SVGA not available");
2031 exit(0);
2032 }
2033 } else if (strstart(p, "virtio", &opts)) {
2034 if (virtio_vga_available()) {
2035 vga_interface_type = VGA_VIRTIO;
2036 } else {
2037 error_report("Virtio VGA not available");
2038 exit(0);
2039 }
2040 } else if (strstart(p, "xenfb", &opts)) {
2041 vga_interface_type = VGA_XENFB;
2042 } else if (strstart(p, "qxl", &opts)) {
2043 if (qxl_vga_available()) {
2044 vga_interface_type = VGA_QXL;
2045 } else {
2046 error_report("QXL VGA not available");
2047 exit(0);
2048 }
2049 } else if (strstart(p, "tcx", &opts)) {
2050 if (tcx_vga_available()) {
2051 vga_interface_type = VGA_TCX;
2052 } else {
2053 error_report("TCX framebuffer not available");
2054 exit(0);
2055 }
2056 } else if (strstart(p, "cg3", &opts)) {
2057 if (cg3_vga_available()) {
2058 vga_interface_type = VGA_CG3;
2059 } else {
2060 error_report("CG3 framebuffer not available");
2061 exit(0);
2062 }
2063 } else if (!strstart(p, "none", &opts)) {
2064 invalid_vga:
2065 error_report("unknown vga type: %s", p);
2066 exit(1);
2067 }
2068 while (*opts) {
2069 const char *nextopt;
2070
2071 if (strstart(opts, ",retrace=", &nextopt)) {
2072 opts = nextopt;
2073 if (strstart(opts, "dumb", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_DUMB;
2075 else if (strstart(opts, "precise", &nextopt))
2076 vga_retrace_method = VGA_RETRACE_PRECISE;
2077 else goto invalid_vga;
2078 } else goto invalid_vga;
2079 opts = nextopt;
2080 }
2081 }
2082
2083 static DisplayType select_display(const char *p)
2084 {
2085 const char *opts;
2086 DisplayType display = DT_DEFAULT;
2087
2088 if (strstart(p, "sdl", &opts)) {
2089 #ifdef CONFIG_SDL
2090 display = DT_SDL;
2091 while (*opts) {
2092 const char *nextopt;
2093
2094 if (strstart(opts, ",frame=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 no_frame = 0;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 no_frame = 1;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 alt_grab = 1;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 alt_grab = 0;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 ctrl_grab = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 ctrl_grab = 0;
2118 } else {
2119 goto invalid_sdl_args;
2120 }
2121 } else if (strstart(opts, ",window_close=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 no_quit = 0;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 no_quit = 1;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",gl=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 request_opengl = 1;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 request_opengl = 0;
2136 } else {
2137 goto invalid_sdl_args;
2138 }
2139 } else {
2140 invalid_sdl_args:
2141 error_report("invalid SDL option string");
2142 exit(1);
2143 }
2144 opts = nextopt;
2145 }
2146 #else
2147 error_report("SDL support is disabled");
2148 exit(1);
2149 #endif
2150 } else if (strstart(p, "vnc", &opts)) {
2151 #ifdef CONFIG_VNC
2152 if (*opts == '=') {
2153 Error *err = NULL;
2154 if (vnc_parse(opts + 1, &err) == NULL) {
2155 error_report_err(err);
2156 exit(1);
2157 }
2158 } else {
2159 error_report("VNC requires a display argument vnc=<display>");
2160 exit(1);
2161 }
2162 #else
2163 error_report("VNC support is disabled");
2164 exit(1);
2165 #endif
2166 } else if (strstart(p, "curses", &opts)) {
2167 #ifdef CONFIG_CURSES
2168 display = DT_CURSES;
2169 #else
2170 error_report("curses support is disabled");
2171 exit(1);
2172 #endif
2173 } else if (strstart(p, "gtk", &opts)) {
2174 #ifdef CONFIG_GTK
2175 display = DT_GTK;
2176 while (*opts) {
2177 const char *nextopt;
2178
2179 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 grab_on_hover = true;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 grab_on_hover = false;
2185 } else {
2186 goto invalid_gtk_args;
2187 }
2188 } else if (strstart(opts, ",gl=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 request_opengl = 1;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 request_opengl = 0;
2194 } else {
2195 goto invalid_gtk_args;
2196 }
2197 } else {
2198 invalid_gtk_args:
2199 error_report("invalid GTK option string");
2200 exit(1);
2201 }
2202 opts = nextopt;
2203 }
2204 #else
2205 error_report("GTK support is disabled");
2206 exit(1);
2207 #endif
2208 } else if (strstart(p, "none", &opts)) {
2209 display = DT_NONE;
2210 } else {
2211 error_report("unknown display type");
2212 exit(1);
2213 }
2214
2215 return display;
2216 }
2217
2218 static int balloon_parse(const char *arg)
2219 {
2220 QemuOpts *opts;
2221
2222 if (strcmp(arg, "none") == 0) {
2223 return 0;
2224 }
2225
2226 if (!strncmp(arg, "virtio", 6)) {
2227 if (arg[6] == ',') {
2228 /* have params -> parse them */
2229 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2230 false);
2231 if (!opts)
2232 return -1;
2233 } else {
2234 /* create empty opts */
2235 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2236 &error_abort);
2237 }
2238 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2239 return 0;
2240 }
2241
2242 return -1;
2243 }
2244
2245 char *qemu_find_file(int type, const char *name)
2246 {
2247 int i;
2248 const char *subdir;
2249 char *buf;
2250
2251 /* Try the name as a straight path first */
2252 if (access(name, R_OK) == 0) {
2253 trace_load_file(name, name);
2254 return g_strdup(name);
2255 }
2256
2257 switch (type) {
2258 case QEMU_FILE_TYPE_BIOS:
2259 subdir = "";
2260 break;
2261 case QEMU_FILE_TYPE_KEYMAP:
2262 subdir = "keymaps/";
2263 break;
2264 default:
2265 abort();
2266 }
2267
2268 for (i = 0; i < data_dir_idx; i++) {
2269 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2270 if (access(buf, R_OK) == 0) {
2271 trace_load_file(name, buf);
2272 return buf;
2273 }
2274 g_free(buf);
2275 }
2276 return NULL;
2277 }
2278
2279 static inline bool nonempty_str(const char *str)
2280 {
2281 return str && *str;
2282 }
2283
2284 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2285 {
2286 gchar *buf;
2287 size_t size;
2288 const char *name, *file, *str;
2289
2290 if (opaque == NULL) {
2291 error_report("fw_cfg device not available");
2292 return -1;
2293 }
2294 name = qemu_opt_get(opts, "name");
2295 file = qemu_opt_get(opts, "file");
2296 str = qemu_opt_get(opts, "string");
2297
2298 /* we need name and either a file or the content string */
2299 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2300 error_report("invalid argument(s)");
2301 return -1;
2302 }
2303 if (nonempty_str(file) && nonempty_str(str)) {
2304 error_report("file and string are mutually exclusive");
2305 return -1;
2306 }
2307 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2308 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2309 return -1;
2310 }
2311 if (strncmp(name, "opt/", 4) != 0) {
2312 error_report("warning: externally provided fw_cfg item names "
2313 "should be prefixed with \"opt/\"");
2314 }
2315 if (nonempty_str(str)) {
2316 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2317 buf = g_memdup(str, size);
2318 } else {
2319 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2320 error_report("can't load %s", file);
2321 return -1;
2322 }
2323 }
2324 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2325 return 0;
2326 }
2327
2328 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 return qdev_device_help(opts);
2331 }
2332
2333 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2334 {
2335 Error *err = NULL;
2336 DeviceState *dev;
2337
2338 dev = qdev_device_add(opts, &err);
2339 if (!dev) {
2340 error_report_err(err);
2341 return -1;
2342 }
2343 object_unref(OBJECT(dev));
2344 return 0;
2345 }
2346
2347 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2348 {
2349 Error *local_err = NULL;
2350
2351 qemu_chr_new_from_opts(opts, NULL, &local_err);
2352 if (local_err) {
2353 error_report_err(local_err);
2354 return -1;
2355 }
2356 return 0;
2357 }
2358
2359 #ifdef CONFIG_VIRTFS
2360 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2361 {
2362 int ret;
2363 ret = qemu_fsdev_add(opts);
2364
2365 return ret;
2366 }
2367 #endif
2368
2369 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2370 {
2371 CharDriverState *chr;
2372 const char *chardev;
2373 const char *mode;
2374 int flags;
2375
2376 mode = qemu_opt_get(opts, "mode");
2377 if (mode == NULL) {
2378 mode = "readline";
2379 }
2380 if (strcmp(mode, "readline") == 0) {
2381 flags = MONITOR_USE_READLINE;
2382 } else if (strcmp(mode, "control") == 0) {
2383 flags = MONITOR_USE_CONTROL;
2384 } else {
2385 error_report("unknown monitor mode \"%s\"", mode);
2386 exit(1);
2387 }
2388
2389 if (qemu_opt_get_bool(opts, "pretty", 0))
2390 flags |= MONITOR_USE_PRETTY;
2391
2392 if (qemu_opt_get_bool(opts, "default", 0))
2393 flags |= MONITOR_IS_DEFAULT;
2394
2395 chardev = qemu_opt_get(opts, "chardev");
2396 chr = qemu_chr_find(chardev);
2397 if (chr == NULL) {
2398 error_report("chardev \"%s\" not found", chardev);
2399 exit(1);
2400 }
2401
2402 qemu_chr_fe_claim_no_fail(chr);
2403 monitor_init(chr, flags);
2404 return 0;
2405 }
2406
2407 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2408 {
2409 static int monitor_device_index = 0;
2410 Error *local_err = NULL;
2411 QemuOpts *opts;
2412 const char *p;
2413 char label[32];
2414 int def = 0;
2415
2416 if (strstart(optarg, "chardev:", &p)) {
2417 snprintf(label, sizeof(label), "%s", p);
2418 } else {
2419 snprintf(label, sizeof(label), "compat_monitor%d",
2420 monitor_device_index);
2421 if (monitor_device_index == 0) {
2422 def = 1;
2423 }
2424 opts = qemu_chr_parse_compat(label, optarg);
2425 if (!opts) {
2426 error_report("parse error: %s", optarg);
2427 exit(1);
2428 }
2429 }
2430
2431 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2432 if (!opts) {
2433 error_report_err(local_err);
2434 exit(1);
2435 }
2436 qemu_opt_set(opts, "mode", mode, &error_abort);
2437 qemu_opt_set(opts, "chardev", label, &error_abort);
2438 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2439 if (def)
2440 qemu_opt_set(opts, "default", "on", &error_abort);
2441 monitor_device_index++;
2442 }
2443
2444 struct device_config {
2445 enum {
2446 DEV_USB, /* -usbdevice */
2447 DEV_BT, /* -bt */
2448 DEV_SERIAL, /* -serial */
2449 DEV_PARALLEL, /* -parallel */
2450 DEV_VIRTCON, /* -virtioconsole */
2451 DEV_DEBUGCON, /* -debugcon */
2452 DEV_GDB, /* -gdb, -s */
2453 DEV_SCLP, /* s390 sclp */
2454 } type;
2455 const char *cmdline;
2456 Location loc;
2457 QTAILQ_ENTRY(device_config) next;
2458 };
2459
2460 static QTAILQ_HEAD(, device_config) device_configs =
2461 QTAILQ_HEAD_INITIALIZER(device_configs);
2462
2463 static void add_device_config(int type, const char *cmdline)
2464 {
2465 struct device_config *conf;
2466
2467 conf = g_malloc0(sizeof(*conf));
2468 conf->type = type;
2469 conf->cmdline = cmdline;
2470 loc_save(&conf->loc);
2471 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2472 }
2473
2474 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2475 {
2476 struct device_config *conf;
2477 int rc;
2478
2479 QTAILQ_FOREACH(conf, &device_configs, next) {
2480 if (conf->type != type)
2481 continue;
2482 loc_push_restore(&conf->loc);
2483 rc = func(conf->cmdline);
2484 loc_pop(&conf->loc);
2485 if (rc) {
2486 return rc;
2487 }
2488 }
2489 return 0;
2490 }
2491
2492 static int serial_parse(const char *devname)
2493 {
2494 static int index = 0;
2495 char label[32];
2496
2497 if (strcmp(devname, "none") == 0)
2498 return 0;
2499 if (index == MAX_SERIAL_PORTS) {
2500 error_report("too many serial ports");
2501 exit(1);
2502 }
2503 snprintf(label, sizeof(label), "serial%d", index);
2504 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2505 if (!serial_hds[index]) {
2506 error_report("could not connect serial device"
2507 " to character backend '%s'", devname);
2508 return -1;
2509 }
2510 index++;
2511 return 0;
2512 }
2513
2514 static int parallel_parse(const char *devname)
2515 {
2516 static int index = 0;
2517 char label[32];
2518
2519 if (strcmp(devname, "none") == 0)
2520 return 0;
2521 if (index == MAX_PARALLEL_PORTS) {
2522 error_report("too many parallel ports");
2523 exit(1);
2524 }
2525 snprintf(label, sizeof(label), "parallel%d", index);
2526 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2527 if (!parallel_hds[index]) {
2528 error_report("could not connect parallel device"
2529 " to character backend '%s'", devname);
2530 return -1;
2531 }
2532 index++;
2533 return 0;
2534 }
2535
2536 static int virtcon_parse(const char *devname)
2537 {
2538 QemuOptsList *device = qemu_find_opts("device");
2539 static int index = 0;
2540 char label[32];
2541 QemuOpts *bus_opts, *dev_opts;
2542
2543 if (strcmp(devname, "none") == 0)
2544 return 0;
2545 if (index == MAX_VIRTIO_CONSOLES) {
2546 error_report("too many virtio consoles");
2547 exit(1);
2548 }
2549
2550 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2551 if (arch_type == QEMU_ARCH_S390X) {
2552 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2553 } else {
2554 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2555 }
2556
2557 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2558 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2559
2560 snprintf(label, sizeof(label), "virtcon%d", index);
2561 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!virtcon_hds[index]) {
2563 error_report("could not connect virtio console"
2564 " to character backend '%s'", devname);
2565 return -1;
2566 }
2567 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2568
2569 index++;
2570 return 0;
2571 }
2572
2573 static int sclp_parse(const char *devname)
2574 {
2575 QemuOptsList *device = qemu_find_opts("device");
2576 static int index = 0;
2577 char label[32];
2578 QemuOpts *dev_opts;
2579
2580 if (strcmp(devname, "none") == 0) {
2581 return 0;
2582 }
2583 if (index == MAX_SCLP_CONSOLES) {
2584 error_report("too many sclp consoles");
2585 exit(1);
2586 }
2587
2588 assert(arch_type == QEMU_ARCH_S390X);
2589
2590 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2591 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2592
2593 snprintf(label, sizeof(label), "sclpcon%d", index);
2594 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2595 if (!sclp_hds[index]) {
2596 error_report("could not connect sclp console"
2597 " to character backend '%s'", devname);
2598 return -1;
2599 }
2600 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2601
2602 index++;
2603 return 0;
2604 }
2605
2606 static int debugcon_parse(const char *devname)
2607 {
2608 QemuOpts *opts;
2609
2610 if (!qemu_chr_new("debugcon", devname, NULL)) {
2611 exit(1);
2612 }
2613 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2614 if (!opts) {
2615 error_report("already have a debugcon device");
2616 exit(1);
2617 }
2618 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2619 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2620 return 0;
2621 }
2622
2623 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2624 {
2625 const MachineClass *mc1 = a, *mc2 = b;
2626 int res;
2627
2628 if (mc1->family == NULL) {
2629 if (mc2->family == NULL) {
2630 /* Compare standalone machine types against each other; they sort
2631 * in increasing order.
2632 */
2633 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2634 object_class_get_name(OBJECT_CLASS(mc2)));
2635 }
2636
2637 /* Standalone machine types sort after families. */
2638 return 1;
2639 }
2640
2641 if (mc2->family == NULL) {
2642 /* Families sort before standalone machine types. */
2643 return -1;
2644 }
2645
2646 /* Families sort between each other alphabetically increasingly. */
2647 res = strcmp(mc1->family, mc2->family);
2648 if (res != 0) {
2649 return res;
2650 }
2651
2652 /* Within the same family, machine types sort in decreasing order. */
2653 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2654 object_class_get_name(OBJECT_CLASS(mc1)));
2655 }
2656
2657 static MachineClass *machine_parse(const char *name)
2658 {
2659 MachineClass *mc = NULL;
2660 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2661
2662 if (name) {
2663 mc = find_machine(name);
2664 }
2665 if (mc) {
2666 g_slist_free(machines);
2667 return mc;
2668 }
2669 if (name && !is_help_option(name)) {
2670 error_report("unsupported machine type");
2671 error_printf("Use -machine help to list supported machines\n");
2672 } else {
2673 printf("Supported machines are:\n");
2674 machines = g_slist_sort(machines, machine_class_cmp);
2675 for (el = machines; el; el = el->next) {
2676 MachineClass *mc = el->data;
2677 if (mc->alias) {
2678 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2679 }
2680 printf("%-20s %s%s\n", mc->name, mc->desc,
2681 mc->is_default ? " (default)" : "");
2682 }
2683 }
2684
2685 g_slist_free(machines);
2686 exit(!name || !is_help_option(name));
2687 }
2688
2689 void qemu_add_exit_notifier(Notifier *notify)
2690 {
2691 notifier_list_add(&exit_notifiers, notify);
2692 }
2693
2694 void qemu_remove_exit_notifier(Notifier *notify)
2695 {
2696 notifier_remove(notify);
2697 }
2698
2699 static void qemu_run_exit_notifiers(void)
2700 {
2701 notifier_list_notify(&exit_notifiers, NULL);
2702 }
2703
2704 static bool machine_init_done;
2705
2706 void qemu_add_machine_init_done_notifier(Notifier *notify)
2707 {
2708 notifier_list_add(&machine_init_done_notifiers, notify);
2709 if (machine_init_done) {
2710 notify->notify(notify, NULL);
2711 }
2712 }
2713
2714 static void qemu_run_machine_init_done_notifiers(void)
2715 {
2716 notifier_list_notify(&machine_init_done_notifiers, NULL);
2717 machine_init_done = true;
2718 }
2719
2720 static const QEMUOption *lookup_opt(int argc, char **argv,
2721 const char **poptarg, int *poptind)
2722 {
2723 const QEMUOption *popt;
2724 int optind = *poptind;
2725 char *r = argv[optind];
2726 const char *optarg;
2727
2728 loc_set_cmdline(argv, optind, 1);
2729 optind++;
2730 /* Treat --foo the same as -foo. */
2731 if (r[1] == '-')
2732 r++;
2733 popt = qemu_options;
2734 for(;;) {
2735 if (!popt->name) {
2736 error_report("invalid option");
2737 exit(1);
2738 }
2739 if (!strcmp(popt->name, r + 1))
2740 break;
2741 popt++;
2742 }
2743 if (popt->flags & HAS_ARG) {
2744 if (optind >= argc) {
2745 error_report("requires an argument");
2746 exit(1);
2747 }
2748 optarg = argv[optind++];
2749 loc_set_cmdline(argv, optind - 2, 2);
2750 } else {
2751 optarg = NULL;
2752 }
2753
2754 *poptarg = optarg;
2755 *poptind = optind;
2756
2757 return popt;
2758 }
2759
2760 static int machine_set_property(void *opaque,
2761 const char *name, const char *value,
2762 Error **errp)
2763 {
2764 Object *obj = OBJECT(opaque);
2765 Error *local_err = NULL;
2766 char *c, *qom_name;
2767
2768 if (strcmp(name, "type") == 0) {
2769 return 0;
2770 }
2771
2772 qom_name = g_strdup(name);
2773 c = qom_name;
2774 while (*c++) {
2775 if (*c == '_') {
2776 *c = '-';
2777 }
2778 }
2779
2780 object_property_parse(obj, value, qom_name, &local_err);
2781 g_free(qom_name);
2782
2783 if (local_err) {
2784 error_report_err(local_err);
2785 return -1;
2786 }
2787
2788 return 0;
2789 }
2790
2791
2792 /*
2793 * Initial object creation happens before all other
2794 * QEMU data types are created. The majority of objects
2795 * can be created at this point. The rng-egd object
2796 * cannot be created here, as it depends on the chardev
2797 * already existing.
2798 */
2799 static bool object_create_initial(const char *type)
2800 {
2801 if (g_str_equal(type, "rng-egd")) {
2802 return false;
2803 }
2804
2805 /*
2806 * return false for concrete netfilters since
2807 * they depend on netdevs already existing
2808 */
2809 if (g_str_equal(type, "filter-buffer") ||
2810 g_str_equal(type, "filter-dump")) {
2811 return false;
2812 }
2813
2814 return true;
2815 }
2816
2817
2818 /*
2819 * The remainder of object creation happens after the
2820 * creation of chardev, fsdev, net clients and device data types.
2821 */
2822 static bool object_create_delayed(const char *type)
2823 {
2824 return !object_create_initial(type);
2825 }
2826
2827
2828 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2829 {
2830 Error *err = NULL;
2831 char *type = NULL;
2832 char *id = NULL;
2833 void *dummy = NULL;
2834 OptsVisitor *ov;
2835 QDict *pdict;
2836 bool (*type_predicate)(const char *) = opaque;
2837
2838 ov = opts_visitor_new(opts);
2839 pdict = qemu_opts_to_qdict(opts, NULL);
2840
2841 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2842 if (err) {
2843 goto out;
2844 }
2845
2846 qdict_del(pdict, "qom-type");
2847 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2848 if (err) {
2849 goto out;
2850 }
2851 if (!type_predicate(type)) {
2852 goto out;
2853 }
2854
2855 qdict_del(pdict, "id");
2856 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2857 if (err) {
2858 goto out;
2859 }
2860
2861 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2862 if (err) {
2863 goto out;
2864 }
2865 visit_end_struct(opts_get_visitor(ov), &err);
2866 if (err) {
2867 qmp_object_del(id, NULL);
2868 }
2869
2870 out:
2871 opts_visitor_cleanup(ov);
2872
2873 QDECREF(pdict);
2874 g_free(id);
2875 g_free(type);
2876 g_free(dummy);
2877 if (err) {
2878 error_report_err(err);
2879 return -1;
2880 }
2881 return 0;
2882 }
2883
2884 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2885 MachineClass *mc)
2886 {
2887 uint64_t sz;
2888 const char *mem_str;
2889 const char *maxmem_str, *slots_str;
2890 const ram_addr_t default_ram_size = mc->default_ram_size;
2891 QemuOpts *opts = qemu_find_opts_singleton("memory");
2892
2893 sz = 0;
2894 mem_str = qemu_opt_get(opts, "size");
2895 if (mem_str) {
2896 if (!*mem_str) {
2897 error_report("missing 'size' option value");
2898 exit(EXIT_FAILURE);
2899 }
2900
2901 sz = qemu_opt_get_size(opts, "size", ram_size);
2902
2903 /* Fix up legacy suffix-less format */
2904 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2905 uint64_t overflow_check = sz;
2906
2907 sz <<= 20;
2908 if ((sz >> 20) != overflow_check) {
2909 error_report("too large 'size' option value");
2910 exit(EXIT_FAILURE);
2911 }
2912 }
2913 }
2914
2915 /* backward compatibility behaviour for case "-m 0" */
2916 if (sz == 0) {
2917 sz = default_ram_size;
2918 }
2919
2920 sz = QEMU_ALIGN_UP(sz, 8192);
2921 ram_size = sz;
2922 if (ram_size != sz) {
2923 error_report("ram size too large");
2924 exit(EXIT_FAILURE);
2925 }
2926
2927 /* store value for the future use */
2928 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2929 *maxram_size = ram_size;
2930
2931 maxmem_str = qemu_opt_get(opts, "maxmem");
2932 slots_str = qemu_opt_get(opts, "slots");
2933 if (maxmem_str && slots_str) {
2934 uint64_t slots;
2935
2936 sz = qemu_opt_get_size(opts, "maxmem", 0);
2937 slots = qemu_opt_get_number(opts, "slots", 0);
2938 if (sz < ram_size) {
2939 error_report("invalid value of -m option maxmem: "
2940 "maximum memory size (0x%" PRIx64 ") must be at least "
2941 "the initial memory size (0x" RAM_ADDR_FMT ")",
2942 sz, ram_size);
2943 exit(EXIT_FAILURE);
2944 } else if (sz > ram_size) {
2945 if (!slots) {
2946 error_report("invalid value of -m option: maxmem was "
2947 "specified, but no hotplug slots were specified");
2948 exit(EXIT_FAILURE);
2949 }
2950 } else if (slots) {
2951 error_report("invalid value of -m option maxmem: "
2952 "memory slots were specified but maximum memory size "
2953 "(0x%" PRIx64 ") is equal to the initial memory size "
2954 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2955 exit(EXIT_FAILURE);
2956 }
2957
2958 *maxram_size = sz;
2959 *ram_slots = slots;
2960 } else if ((!maxmem_str && slots_str) ||
2961 (maxmem_str && !slots_str)) {
2962 error_report("invalid -m option value: missing "
2963 "'%s' option", slots_str ? "maxmem" : "slots");
2964 exit(EXIT_FAILURE);
2965 }
2966 }
2967
2968 int main(int argc, char **argv, char **envp)
2969 {
2970 int i;
2971 int snapshot, linux_boot;
2972 const char *initrd_filename;
2973 const char *kernel_filename, *kernel_cmdline;
2974 const char *boot_order = NULL;
2975 const char *boot_once = NULL;
2976 DisplayState *ds;
2977 int cyls, heads, secs, translation;
2978 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2979 QemuOptsList *olist;
2980 int optind;
2981 const char *optarg;
2982 const char *loadvm = NULL;
2983 MachineClass *machine_class;
2984 const char *cpu_model;
2985 const char *vga_model = NULL;
2986 const char *qtest_chrdev = NULL;
2987 const char *qtest_log = NULL;
2988 const char *pid_file = NULL;
2989 const char *incoming = NULL;
2990 #ifdef CONFIG_VNC
2991 int show_vnc_port = 0;
2992 #endif
2993 bool defconfig = true;
2994 bool userconfig = true;
2995 const char *log_mask = NULL;
2996 const char *log_file = NULL;
2997 const char *trace_events = NULL;
2998 const char *trace_file = NULL;
2999 ram_addr_t maxram_size;
3000 uint64_t ram_slots = 0;
3001 FILE *vmstate_dump_file = NULL;
3002 Error *main_loop_err = NULL;
3003 Error *err = NULL;
3004
3005 qemu_init_cpu_loop();
3006 qemu_mutex_lock_iothread();
3007
3008 atexit(qemu_run_exit_notifiers);
3009 error_set_progname(argv[0]);
3010 qemu_init_exec_dir(argv[0]);
3011
3012 module_call_init(MODULE_INIT_QOM);
3013
3014 qemu_add_opts(&qemu_drive_opts);
3015 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3016 qemu_add_drive_opts(&qemu_common_drive_opts);
3017 qemu_add_drive_opts(&qemu_drive_opts);
3018 qemu_add_opts(&qemu_chardev_opts);
3019 qemu_add_opts(&qemu_device_opts);
3020 qemu_add_opts(&qemu_netdev_opts);
3021 qemu_add_opts(&qemu_net_opts);
3022 qemu_add_opts(&qemu_rtc_opts);
3023 qemu_add_opts(&qemu_global_opts);
3024 qemu_add_opts(&qemu_mon_opts);
3025 qemu_add_opts(&qemu_trace_opts);
3026 qemu_add_opts(&qemu_option_rom_opts);
3027 qemu_add_opts(&qemu_machine_opts);
3028 qemu_add_opts(&qemu_mem_opts);
3029 qemu_add_opts(&qemu_smp_opts);
3030 qemu_add_opts(&qemu_boot_opts);
3031 qemu_add_opts(&qemu_sandbox_opts);
3032 qemu_add_opts(&qemu_add_fd_opts);
3033 qemu_add_opts(&qemu_object_opts);
3034 qemu_add_opts(&qemu_tpmdev_opts);
3035 qemu_add_opts(&qemu_realtime_opts);
3036 qemu_add_opts(&qemu_msg_opts);
3037 qemu_add_opts(&qemu_name_opts);
3038 qemu_add_opts(&qemu_numa_opts);
3039 qemu_add_opts(&qemu_icount_opts);
3040 qemu_add_opts(&qemu_semihosting_config_opts);
3041 qemu_add_opts(&qemu_fw_cfg_opts);
3042
3043 runstate_init();
3044
3045 if (qcrypto_init(&err) < 0) {
3046 error_report("cannot initialize crypto: %s", error_get_pretty(err));
3047 exit(1);
3048 }
3049 rtc_clock = QEMU_CLOCK_HOST;
3050
3051 QLIST_INIT (&vm_change_state_head);
3052 os_setup_early_signal_handling();
3053
3054 module_call_init(MODULE_INIT_MACHINE);
3055 machine_class = find_default_machine();
3056 cpu_model = NULL;
3057 snapshot = 0;
3058 cyls = heads = secs = 0;
3059 translation = BIOS_ATA_TRANSLATION_AUTO;
3060
3061 nb_nics = 0;
3062
3063 bdrv_init_with_whitelist();
3064
3065 autostart = 1;
3066
3067 /* first pass of option parsing */
3068 optind = 1;
3069 while (optind < argc) {
3070 if (argv[optind][0] != '-') {
3071 /* disk image */
3072 optind++;
3073 } else {
3074 const QEMUOption *popt;
3075
3076 popt = lookup_opt(argc, argv, &optarg, &optind);
3077 switch (popt->index) {
3078 case QEMU_OPTION_nodefconfig:
3079 defconfig = false;
3080 break;
3081 case QEMU_OPTION_nouserconfig:
3082 userconfig = false;
3083 break;
3084 }
3085 }
3086 }
3087
3088 if (defconfig) {
3089 int ret;
3090 ret = qemu_read_default_config_files(userconfig);
3091 if (ret < 0) {
3092 exit(1);
3093 }
3094 }
3095
3096 /* second pass of option parsing */
3097 optind = 1;
3098 for(;;) {
3099 if (optind >= argc)
3100 break;
3101 if (argv[optind][0] != '-') {
3102 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3103 } else {
3104 const QEMUOption *popt;
3105
3106 popt = lookup_opt(argc, argv, &optarg, &optind);
3107 if (!(popt->arch_mask & arch_type)) {
3108 printf("Option %s not supported for this target\n", popt->name);
3109 exit(1);
3110 }
3111 switch(popt->index) {
3112 case QEMU_OPTION_no_kvm_irqchip: {
3113 olist = qemu_find_opts("machine");
3114 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3115 break;
3116 }
3117 case QEMU_OPTION_cpu:
3118 /* hw initialization will check this */
3119 cpu_model = optarg;
3120 break;
3121 case QEMU_OPTION_hda:
3122 {
3123 char buf[256];
3124 if (cyls == 0)
3125 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3126 else
3127 snprintf(buf, sizeof(buf),
3128 "%s,cyls=%d,heads=%d,secs=%d%s",
3129 HD_OPTS , cyls, heads, secs,
3130 translation == BIOS_ATA_TRANSLATION_LBA ?
3131 ",trans=lba" :
3132 translation == BIOS_ATA_TRANSLATION_NONE ?
3133 ",trans=none" : "");
3134 drive_add(IF_DEFAULT, 0, optarg, buf);
3135 break;
3136 }
3137 case QEMU_OPTION_hdb:
3138 case QEMU_OPTION_hdc:
3139 case QEMU_OPTION_hdd:
3140 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3141 HD_OPTS);
3142 break;
3143 case QEMU_OPTION_drive:
3144 if (drive_def(optarg) == NULL) {
3145 exit(1);
3146 }
3147 break;
3148 case QEMU_OPTION_set:
3149 if (qemu_set_option(optarg) != 0)
3150 exit(1);
3151 break;
3152 case QEMU_OPTION_global:
3153 if (qemu_global_option(optarg) != 0)
3154 exit(1);
3155 break;
3156 case QEMU_OPTION_mtdblock:
3157 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3158 break;
3159 case QEMU_OPTION_sd:
3160 drive_add(IF_SD, -1, optarg, SD_OPTS);
3161 break;
3162 case QEMU_OPTION_pflash:
3163 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3164 break;
3165 case QEMU_OPTION_snapshot:
3166 snapshot = 1;
3167 break;
3168 case QEMU_OPTION_hdachs:
3169 {
3170 const char *p;
3171 p = optarg;
3172 cyls = strtol(p, (char **)&p, 0);
3173 if (cyls < 1 || cyls > 16383)
3174 goto chs_fail;
3175 if (*p != ',')
3176 goto chs_fail;
3177 p++;
3178 heads = strtol(p, (char **)&p, 0);
3179 if (heads < 1 || heads > 16)
3180 goto chs_fail;
3181 if (*p != ',')
3182 goto chs_fail;
3183 p++;
3184 secs = strtol(p, (char **)&p, 0);
3185 if (secs < 1 || secs > 63)
3186 goto chs_fail;
3187 if (*p == ',') {
3188 p++;
3189 if (!strcmp(p, "large")) {
3190 translation = BIOS_ATA_TRANSLATION_LARGE;
3191 } else if (!strcmp(p, "rechs")) {
3192 translation = BIOS_ATA_TRANSLATION_RECHS;
3193 } else if (!strcmp(p, "none")) {
3194 translation = BIOS_ATA_TRANSLATION_NONE;
3195 } else if (!strcmp(p, "lba")) {
3196 translation = BIOS_ATA_TRANSLATION_LBA;
3197 } else if (!strcmp(p, "auto")) {
3198 translation = BIOS_ATA_TRANSLATION_AUTO;
3199 } else {
3200 goto chs_fail;
3201 }
3202 } else if (*p != '\0') {
3203 chs_fail:
3204 error_report("invalid physical CHS format");
3205 exit(1);
3206 }
3207 if (hda_opts != NULL) {
3208 qemu_opt_set_number(hda_opts, "cyls", cyls,
3209 &error_abort);
3210 qemu_opt_set_number(hda_opts, "heads", heads,
3211 &error_abort);
3212 qemu_opt_set_number(hda_opts, "secs", secs,
3213 &error_abort);
3214 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3215 qemu_opt_set(hda_opts, "trans", "large",
3216 &error_abort);
3217 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3218 qemu_opt_set(hda_opts, "trans", "rechs",
3219 &error_abort);
3220 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3221 qemu_opt_set(hda_opts, "trans", "lba",
3222 &error_abort);
3223 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3224 qemu_opt_set(hda_opts, "trans", "none",
3225 &error_abort);
3226 }
3227 }
3228 }
3229 break;
3230 case QEMU_OPTION_numa:
3231 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3232 optarg, true);
3233 if (!opts) {
3234 exit(1);
3235 }
3236 break;
3237 case QEMU_OPTION_display:
3238 display_type = select_display(optarg);
3239 break;
3240 case QEMU_OPTION_nographic:
3241 display_type = DT_NOGRAPHIC;
3242 break;
3243 case QEMU_OPTION_curses:
3244 #ifdef CONFIG_CURSES
3245 display_type = DT_CURSES;
3246 #else
3247 error_report("curses support is disabled");
3248 exit(1);
3249 #endif
3250 break;
3251 case QEMU_OPTION_portrait:
3252 graphic_rotate = 90;
3253 break;
3254 case QEMU_OPTION_rotate:
3255 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3256 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3257 graphic_rotate != 180 && graphic_rotate != 270) {
3258 error_report("only 90, 180, 270 deg rotation is available");
3259 exit(1);
3260 }
3261 break;
3262 case QEMU_OPTION_kernel:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_initrd:
3267 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3268 &error_abort);
3269 break;
3270 case QEMU_OPTION_append:
3271 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3272 &error_abort);
3273 break;
3274 case QEMU_OPTION_dtb:
3275 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3276 &error_abort);
3277 break;
3278 case QEMU_OPTION_cdrom:
3279 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3280 break;
3281 case QEMU_OPTION_boot:
3282 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3283 optarg, true);
3284 if (!opts) {
3285 exit(1);
3286 }
3287 break;
3288 case QEMU_OPTION_fda:
3289 case QEMU_OPTION_fdb:
3290 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3291 optarg, FD_OPTS);
3292 break;
3293 case QEMU_OPTION_no_fd_bootchk:
3294 fd_bootchk = 0;
3295 break;
3296 case QEMU_OPTION_netdev:
3297 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3298 exit(1);
3299 }
3300 break;
3301 case QEMU_OPTION_net:
3302 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3303 exit(1);
3304 }
3305 break;
3306 #ifdef CONFIG_LIBISCSI
3307 case QEMU_OPTION_iscsi:
3308 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3309 optarg, false);
3310 if (!opts) {
3311 exit(1);
3312 }
3313 break;
3314 #endif
3315 #ifdef CONFIG_SLIRP
3316 case QEMU_OPTION_tftp:
3317 legacy_tftp_prefix = optarg;
3318 break;
3319 case QEMU_OPTION_bootp:
3320 legacy_bootp_filename = optarg;
3321 break;
3322 case QEMU_OPTION_redir:
3323 if (net_slirp_redir(optarg) < 0)
3324 exit(1);
3325 break;
3326 #endif
3327 case QEMU_OPTION_bt:
3328 add_device_config(DEV_BT, optarg);
3329 break;
3330 case QEMU_OPTION_audio_help:
3331 AUD_help ();
3332 exit (0);
3333 break;
3334 case QEMU_OPTION_soundhw:
3335 select_soundhw (optarg);
3336 break;
3337 case QEMU_OPTION_h:
3338 help(0);
3339 break;
3340 case QEMU_OPTION_version:
3341 version();
3342 exit(0);
3343 break;
3344 case QEMU_OPTION_m:
3345 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3346 optarg, true);
3347 if (!opts) {
3348 exit(EXIT_FAILURE);
3349 }
3350 break;
3351 #ifdef CONFIG_TPM
3352 case QEMU_OPTION_tpmdev:
3353 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3354 exit(1);
3355 }
3356 break;
3357 #endif
3358 case QEMU_OPTION_mempath:
3359 mem_path = optarg;
3360 break;
3361 case QEMU_OPTION_mem_prealloc:
3362 mem_prealloc = 1;
3363 break;
3364 case QEMU_OPTION_d:
3365 log_mask = optarg;
3366 break;
3367 case QEMU_OPTION_D:
3368 log_file = optarg;
3369 break;
3370 case QEMU_OPTION_s:
3371 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3372 break;
3373 case QEMU_OPTION_gdb:
3374 add_device_config(DEV_GDB, optarg);
3375 break;
3376 case QEMU_OPTION_L:
3377 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3378 data_dir[data_dir_idx++] = optarg;
3379 }
3380 break;
3381 case QEMU_OPTION_bios:
3382 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3383 &error_abort);
3384 break;
3385 case QEMU_OPTION_singlestep:
3386 singlestep = 1;
3387 break;
3388 case QEMU_OPTION_S:
3389 autostart = 0;
3390 break;
3391 case QEMU_OPTION_k:
3392 keyboard_layout = optarg;
3393 break;
3394 case QEMU_OPTION_localtime:
3395 rtc_utc = 0;
3396 break;
3397 case QEMU_OPTION_vga:
3398 vga_model = optarg;
3399 default_vga = 0;
3400 break;
3401 case QEMU_OPTION_g:
3402 {
3403 const char *p;
3404 int w, h, depth;
3405 p = optarg;
3406 w = strtol(p, (char **)&p, 10);
3407 if (w <= 0) {
3408 graphic_error:
3409 error_report("invalid resolution or depth");
3410 exit(1);
3411 }
3412 if (*p != 'x')
3413 goto graphic_error;
3414 p++;
3415 h = strtol(p, (char **)&p, 10);
3416 if (h <= 0)
3417 goto graphic_error;
3418 if (*p == 'x') {
3419 p++;
3420 depth = strtol(p, (char **)&p, 10);
3421 if (depth != 8 && depth != 15 && depth != 16 &&
3422 depth != 24 && depth != 32)
3423 goto graphic_error;
3424 } else if (*p == '\0') {
3425 depth = graphic_depth;
3426 } else {
3427 goto graphic_error;
3428 }
3429
3430 graphic_width = w;
3431 graphic_height = h;
3432 graphic_depth = depth;
3433 }
3434 break;
3435 case QEMU_OPTION_echr:
3436 {
3437 char *r;
3438 term_escape_char = strtol(optarg, &r, 0);
3439 if (r == optarg)
3440 printf("Bad argument to echr\n");
3441 break;
3442 }
3443 case QEMU_OPTION_monitor:
3444 default_monitor = 0;
3445 if (strncmp(optarg, "none", 4)) {
3446 monitor_parse(optarg, "readline", false);
3447 }
3448 break;
3449 case QEMU_OPTION_qmp:
3450 monitor_parse(optarg, "control", false);
3451 default_monitor = 0;
3452 break;
3453 case QEMU_OPTION_qmp_pretty:
3454 monitor_parse(optarg, "control", true);
3455 default_monitor = 0;
3456 break;
3457 case QEMU_OPTION_mon:
3458 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3459 true);
3460 if (!opts) {
3461 exit(1);
3462 }
3463 default_monitor = 0;
3464 break;
3465 case QEMU_OPTION_chardev:
3466 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3467 optarg, true);
3468 if (!opts) {
3469 exit(1);
3470 }
3471 break;
3472 case QEMU_OPTION_fsdev:
3473 olist = qemu_find_opts("fsdev");
3474 if (!olist) {
3475 error_report("fsdev support is disabled");
3476 exit(1);
3477 }
3478 opts = qemu_opts_parse_noisily(olist, optarg, true);
3479 if (!opts) {
3480 exit(1);
3481 }
3482 break;
3483 case QEMU_OPTION_virtfs: {
3484 QemuOpts *fsdev;
3485 QemuOpts *device;
3486 const char *writeout, *sock_fd, *socket;
3487
3488 olist = qemu_find_opts("virtfs");
3489 if (!olist) {
3490 error_report("virtfs support is disabled");
3491 exit(1);
3492 }
3493 opts = qemu_opts_parse_noisily(olist, optarg, true);
3494 if (!opts) {
3495 exit(1);
3496 }
3497
3498 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3499 qemu_opt_get(opts, "mount_tag") == NULL) {
3500 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3501 exit(1);
3502 }
3503 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3504 qemu_opt_get(opts, "mount_tag"),
3505 1, NULL);
3506 if (!fsdev) {
3507 error_report("duplicate fsdev id: %s",
3508 qemu_opt_get(opts, "mount_tag"));
3509 exit(1);
3510 }
3511
3512 writeout = qemu_opt_get(opts, "writeout");
3513 if (writeout) {
3514 #ifdef CONFIG_SYNC_FILE_RANGE
3515 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3516 #else
3517 error_report("writeout=immediate not supported "
3518 "on this platform");
3519 exit(1);
3520 #endif
3521 }
3522 qemu_opt_set(fsdev, "fsdriver",
3523 qemu_opt_get(opts, "fsdriver"), &error_abort);
3524 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3525 &error_abort);
3526 qemu_opt_set(fsdev, "security_model",
3527 qemu_opt_get(opts, "security_model"),
3528 &error_abort);
3529 socket = qemu_opt_get(opts, "socket");
3530 if (socket) {
3531 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3532 }
3533 sock_fd = qemu_opt_get(opts, "sock_fd");
3534 if (sock_fd) {
3535 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3536 }
3537
3538 qemu_opt_set_bool(fsdev, "readonly",
3539 qemu_opt_get_bool(opts, "readonly", 0),
3540 &error_abort);
3541 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3542 &error_abort);
3543 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3544 qemu_opt_set(device, "fsdev",
3545 qemu_opt_get(opts, "mount_tag"), &error_abort);
3546 qemu_opt_set(device, "mount_tag",
3547 qemu_opt_get(opts, "mount_tag"), &error_abort);
3548 break;
3549 }
3550 case QEMU_OPTION_virtfs_synth: {
3551 QemuOpts *fsdev;
3552 QemuOpts *device;
3553
3554 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3555 1, NULL);
3556 if (!fsdev) {
3557 error_report("duplicate option: %s", "virtfs_synth");
3558 exit(1);
3559 }
3560 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3561
3562 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3563 &error_abort);
3564 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3565 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3566 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3567 break;
3568 }
3569 case QEMU_OPTION_serial:
3570 add_device_config(DEV_SERIAL, optarg);
3571 default_serial = 0;
3572 if (strncmp(optarg, "mon:", 4) == 0) {
3573 default_monitor = 0;
3574 }
3575 break;
3576 case QEMU_OPTION_watchdog:
3577 if (watchdog) {
3578 error_report("only one watchdog option may be given");
3579 return 1;
3580 }
3581 watchdog = optarg;
3582 break;
3583 case QEMU_OPTION_watchdog_action:
3584 if (select_watchdog_action(optarg) == -1) {
3585 error_report("unknown -watchdog-action parameter");
3586 exit(1);
3587 }
3588 break;
3589 case QEMU_OPTION_virtiocon:
3590 add_device_config(DEV_VIRTCON, optarg);
3591 default_virtcon = 0;
3592 if (strncmp(optarg, "mon:", 4) == 0) {
3593 default_monitor = 0;
3594 }
3595 break;
3596 case QEMU_OPTION_parallel:
3597 add_device_config(DEV_PARALLEL, optarg);
3598 default_parallel = 0;
3599 if (strncmp(optarg, "mon:", 4) == 0) {
3600 default_monitor = 0;
3601 }
3602 break;
3603 case QEMU_OPTION_debugcon:
3604 add_device_config(DEV_DEBUGCON, optarg);
3605 break;
3606 case QEMU_OPTION_loadvm:
3607 loadvm = optarg;
3608 break;
3609 case QEMU_OPTION_full_screen:
3610 full_screen = 1;
3611 break;
3612 case QEMU_OPTION_no_frame:
3613 no_frame = 1;
3614 break;
3615 case QEMU_OPTION_alt_grab:
3616 alt_grab = 1;
3617 break;
3618 case QEMU_OPTION_ctrl_grab:
3619 ctrl_grab = 1;
3620 break;
3621 case QEMU_OPTION_no_quit:
3622 no_quit = 1;
3623 break;
3624 case QEMU_OPTION_sdl:
3625 #ifdef CONFIG_SDL
3626 display_type = DT_SDL;
3627 break;
3628 #else
3629 error_report("SDL support is disabled");
3630 exit(1);
3631 #endif
3632 case QEMU_OPTION_pidfile:
3633 pid_file = optarg;
3634 break;
3635 case QEMU_OPTION_win2k_hack:
3636 win2k_install_hack = 1;
3637 break;
3638 case QEMU_OPTION_rtc_td_hack: {
3639 static GlobalProperty slew_lost_ticks[] = {
3640 {
3641 .driver = "mc146818rtc",
3642 .property = "lost_tick_policy",
3643 .value = "slew",
3644 },
3645 { /* end of list */ }
3646 };
3647
3648 qdev_prop_register_global_list(slew_lost_ticks);
3649 break;
3650 }
3651 case QEMU_OPTION_acpitable:
3652 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3653 optarg, true);
3654 if (!opts) {
3655 exit(1);
3656 }
3657 do_acpitable_option(opts);
3658 break;
3659 case QEMU_OPTION_smbios:
3660 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3661 optarg, false);
3662 if (!opts) {
3663 exit(1);
3664 }
3665 do_smbios_option(opts);
3666 break;
3667 case QEMU_OPTION_fwcfg:
3668 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3669 optarg, true);
3670 if (opts == NULL) {
3671 exit(1);
3672 }
3673 break;
3674 case QEMU_OPTION_enable_kvm:
3675 olist = qemu_find_opts("machine");
3676 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3677 break;
3678 case QEMU_OPTION_M:
3679 case QEMU_OPTION_machine:
3680 olist = qemu_find_opts("machine");
3681 opts = qemu_opts_parse_noisily(olist, optarg, true);
3682 if (!opts) {
3683 exit(1);
3684 }
3685 break;
3686 case QEMU_OPTION_no_kvm:
3687 olist = qemu_find_opts("machine");
3688 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3689 break;
3690 case QEMU_OPTION_no_kvm_pit: {
3691 error_report("warning: ignoring deprecated option");
3692 break;
3693 }
3694 case QEMU_OPTION_no_kvm_pit_reinjection: {
3695 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3696 {
3697 .driver = "kvm-pit",
3698 .property = "lost_tick_policy",
3699 .value = "discard",
3700 },
3701 { /* end of list */ }
3702 };
3703
3704 error_report("warning: deprecated, replaced by "
3705 "-global kvm-pit.lost_tick_policy=discard");
3706 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3707 break;
3708 }
3709 case QEMU_OPTION_usb:
3710 olist = qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist, "usb=on", false);
3712 break;
3713 case QEMU_OPTION_usbdevice:
3714 olist = qemu_find_opts("machine");
3715 qemu_opts_parse_noisily(olist, "usb=on", false);
3716 add_device_config(DEV_USB, optarg);
3717 break;
3718 case QEMU_OPTION_device:
3719 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3720 optarg, true)) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_smp:
3725 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3726 optarg, true)) {
3727 exit(1);
3728 }
3729 break;
3730 case QEMU_OPTION_vnc:
3731 {
3732 #ifdef CONFIG_VNC
3733 Error *local_err = NULL;
3734
3735 if (vnc_parse(optarg, &local_err) == NULL) {
3736 error_report_err(local_err);
3737 exit(1);
3738 }
3739 #else
3740 error_report("VNC support is disabled");
3741 exit(1);
3742 #endif
3743 break;
3744 }
3745 case QEMU_OPTION_no_acpi:
3746 acpi_enabled = 0;
3747 break;
3748 case QEMU_OPTION_no_hpet:
3749 no_hpet = 1;
3750 break;
3751 case QEMU_OPTION_balloon:
3752 if (balloon_parse(optarg) < 0) {
3753 error_report("unknown -balloon argument %s", optarg);
3754 exit(1);
3755 }
3756 break;
3757 case QEMU_OPTION_no_reboot:
3758 no_reboot = 1;
3759 break;
3760 case QEMU_OPTION_no_shutdown:
3761 no_shutdown = 1;
3762 break;
3763 case QEMU_OPTION_show_cursor:
3764 cursor_hide = 0;
3765 break;
3766 case QEMU_OPTION_uuid:
3767 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3768 error_report("failed to parse UUID string: wrong format");
3769 exit(1);
3770 }
3771 qemu_uuid_set = true;
3772 break;
3773 case QEMU_OPTION_option_rom:
3774 if (nb_option_roms >= MAX_OPTION_ROMS) {
3775 error_report("too many option ROMs");
3776 exit(1);
3777 }
3778 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3779 optarg, true);
3780 if (!opts) {
3781 exit(1);
3782 }
3783 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3784 option_rom[nb_option_roms].bootindex =
3785 qemu_opt_get_number(opts, "bootindex", -1);
3786 if (!option_rom[nb_option_roms].name) {
3787 error_report("Option ROM file is not specified");
3788 exit(1);
3789 }
3790 nb_option_roms++;
3791 break;
3792 case QEMU_OPTION_semihosting:
3793 semihosting.enabled = true;
3794 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3795 break;
3796 case QEMU_OPTION_semihosting_config:
3797 semihosting.enabled = true;
3798 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3799 optarg, false);
3800 if (opts != NULL) {
3801 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3802 true);
3803 const char *target = qemu_opt_get(opts, "target");
3804 if (target != NULL) {
3805 if (strcmp("native", target) == 0) {
3806 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3807 } else if (strcmp("gdb", target) == 0) {
3808 semihosting.target = SEMIHOSTING_TARGET_GDB;
3809 } else if (strcmp("auto", target) == 0) {
3810 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3811 } else {
3812 error_report("unsupported semihosting-config %s",
3813 optarg);
3814 exit(1);
3815 }
3816 } else {
3817 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3818 }
3819 /* Set semihosting argument count and vector */
3820 qemu_opt_foreach(opts, add_semihosting_arg,
3821 &semihosting, NULL);
3822 } else {
3823 error_report("unsupported semihosting-config %s", optarg);
3824 exit(1);
3825 }
3826 break;
3827 case QEMU_OPTION_tdf:
3828 error_report("warning: ignoring deprecated option");
3829 break;
3830 case QEMU_OPTION_name:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3832 optarg, true);
3833 if (!opts) {
3834 exit(1);
3835 }
3836 break;
3837 case QEMU_OPTION_prom_env:
3838 if (nb_prom_envs >= MAX_PROM_ENVS) {
3839 error_report("too many prom variables");
3840 exit(1);
3841 }
3842 prom_envs[nb_prom_envs] = optarg;
3843 nb_prom_envs++;
3844 break;
3845 case QEMU_OPTION_old_param:
3846 old_param = 1;
3847 break;
3848 case QEMU_OPTION_clock:
3849 /* Clock options no longer exist. Keep this option for
3850 * backward compatibility.
3851 */
3852 break;
3853 case QEMU_OPTION_startdate:
3854 configure_rtc_date_offset(optarg, 1);
3855 break;
3856 case QEMU_OPTION_rtc:
3857 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3858 false);
3859 if (!opts) {
3860 exit(1);
3861 }
3862 configure_rtc(opts);
3863 break;
3864 case QEMU_OPTION_tb_size:
3865 tcg_tb_size = strtol(optarg, NULL, 0);
3866 if (tcg_tb_size < 0) {
3867 tcg_tb_size = 0;
3868 }
3869 break;
3870 case QEMU_OPTION_icount:
3871 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3872 optarg, true);
3873 if (!icount_opts) {
3874 exit(1);
3875 }
3876 break;
3877 case QEMU_OPTION_incoming:
3878 if (!incoming) {
3879 runstate_set(RUN_STATE_INMIGRATE);
3880 }
3881 incoming = optarg;
3882 break;
3883 case QEMU_OPTION_nodefaults:
3884 has_defaults = 0;
3885 break;
3886 case QEMU_OPTION_xen_domid:
3887 if (!(xen_available())) {
3888 printf("Option %s not supported for this target\n", popt->name);
3889 exit(1);
3890 }
3891 xen_domid = atoi(optarg);
3892 break;
3893 case QEMU_OPTION_xen_create:
3894 if (!(xen_available())) {
3895 printf("Option %s not supported for this target\n", popt->name);
3896 exit(1);
3897 }
3898 xen_mode = XEN_CREATE;
3899 break;
3900 case QEMU_OPTION_xen_attach:
3901 if (!(xen_available())) {
3902 printf("Option %s not supported for this target\n", popt->name);
3903 exit(1);
3904 }
3905 xen_mode = XEN_ATTACH;
3906 break;
3907 case QEMU_OPTION_trace:
3908 {
3909 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3910 optarg, false);
3911 if (!opts) {
3912 exit(1);
3913 }
3914 trace_events = qemu_opt_get(opts, "events");
3915 trace_file = qemu_opt_get(opts, "file");
3916 break;
3917 }
3918 case QEMU_OPTION_readconfig:
3919 {
3920 int ret = qemu_read_config_file(optarg);
3921 if (ret < 0) {
3922 error_report("read config %s: %s", optarg,
3923 strerror(-ret));
3924 exit(1);
3925 }
3926 break;
3927 }
3928 case QEMU_OPTION_spice:
3929 olist = qemu_find_opts("spice");
3930 if (!olist) {
3931 error_report("spice support is disabled");
3932 exit(1);
3933 }
3934 opts = qemu_opts_parse_noisily(olist, optarg, false);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 display_remote++;
3939 break;
3940 case QEMU_OPTION_writeconfig:
3941 {
3942 FILE *fp;
3943 if (strcmp(optarg, "-") == 0) {
3944 fp = stdout;
3945 } else {
3946 fp = fopen(optarg, "w");
3947 if (fp == NULL) {
3948 error_report("open %s: %s", optarg,
3949 strerror(errno));
3950 exit(1);
3951 }
3952 }
3953 qemu_config_write(fp);
3954 if (fp != stdout) {
3955 fclose(fp);
3956 }
3957 break;
3958 }
3959 case QEMU_OPTION_qtest:
3960 qtest_chrdev = optarg;
3961 break;
3962 case QEMU_OPTION_qtest_log:
3963 qtest_log = optarg;
3964 break;
3965 case QEMU_OPTION_sandbox:
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3967 optarg, true);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 break;
3972 case QEMU_OPTION_add_fd:
3973 #ifndef _WIN32
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3975 optarg, false);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 #else
3980 error_report("File descriptor passing is disabled on this "
3981 "platform");
3982 exit(1);
3983 #endif
3984 break;
3985 case QEMU_OPTION_object:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3987 optarg, true);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 break;
3992 case QEMU_OPTION_realtime:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3994 optarg, false);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3999 break;
4000 case QEMU_OPTION_msg:
4001 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4002 false);
4003 if (!opts) {
4004 exit(1);
4005 }
4006 configure_msg(opts);
4007 break;
4008 case QEMU_OPTION_dump_vmstate:
4009 if (vmstate_dump_file) {
4010 error_report("only one '-dump-vmstate' "
4011 "option may be given");
4012 exit(1);
4013 }
4014 vmstate_dump_file = fopen(optarg, "w");
4015 if (vmstate_dump_file == NULL) {
4016 error_report("open %s: %s", optarg, strerror(errno));
4017 exit(1);
4018 }
4019 break;
4020 default:
4021 os_parse_cmd_args(popt->index, optarg);
4022 }
4023 }
4024 }
4025
4026 replay_configure(icount_opts);
4027
4028 opts = qemu_get_machine_opts();
4029 optarg = qemu_opt_get(opts, "type");
4030 if (optarg) {
4031 machine_class = machine_parse(optarg);
4032 }
4033
4034 if (machine_class == NULL) {
4035 error_report("No machine specified, and there is no default");
4036 error_printf("Use -machine help to list supported machines\n");
4037 exit(1);
4038 }
4039
4040 set_memory_options(&ram_slots, &maxram_size, machine_class);
4041
4042 loc_set_none();
4043
4044 os_daemonize();
4045
4046 if (qemu_init_main_loop(&main_loop_err)) {
4047 error_report_err(main_loop_err);
4048 exit(1);
4049 }
4050
4051 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4052 parse_sandbox, NULL, NULL)) {
4053 exit(1);
4054 }
4055
4056 if (qemu_opts_foreach(qemu_find_opts("name"),
4057 parse_name, NULL, NULL)) {
4058 exit(1);
4059 }
4060
4061 #ifndef _WIN32
4062 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4063 parse_add_fd, NULL, NULL)) {
4064 exit(1);
4065 }
4066
4067 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4068 cleanup_add_fd, NULL, NULL)) {
4069 exit(1);
4070 }
4071 #endif
4072
4073 current_machine = MACHINE(object_new(object_class_get_name(
4074 OBJECT_CLASS(machine_class))));
4075 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4076 exit(0);
4077 }
4078 object_property_add_child(object_get_root(), "machine",
4079 OBJECT(current_machine), &error_abort);
4080 cpu_exec_init_all();
4081
4082 if (machine_class->hw_version) {
4083 qemu_set_hw_version(machine_class->hw_version);
4084 }
4085
4086 /* Init CPU def lists, based on config
4087 * - Must be called after all the qemu_read_config_file() calls
4088 * - Must be called before list_cpus()
4089 * - Must be called before machine->init()
4090 */
4091 cpudef_init();
4092
4093 if (cpu_model && is_help_option(cpu_model)) {
4094 list_cpus(stdout, &fprintf, cpu_model);
4095 exit(0);
4096 }
4097
4098 /* Open the logfile at this point and set the log mask if necessary.
4099 */
4100 if (log_file) {
4101 qemu_set_log_filename(log_file);
4102 }
4103
4104 if (log_mask) {
4105 int mask;
4106 mask = qemu_str_to_log_mask(log_mask);
4107 if (!mask) {
4108 qemu_print_log_usage(stdout);
4109 exit(1);
4110 }
4111 qemu_set_log(mask);
4112 }
4113
4114 if (!is_daemonized()) {
4115 if (!trace_init_backends(trace_events, trace_file)) {
4116 exit(1);
4117 }
4118 }
4119
4120 /* If no data_dir is specified then try to find it relative to the
4121 executable path. */
4122 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4123 data_dir[data_dir_idx] = os_find_datadir();
4124 if (data_dir[data_dir_idx] != NULL) {
4125 data_dir_idx++;
4126 }
4127 }
4128 /* If all else fails use the install path specified when building. */
4129 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4130 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4131 }
4132
4133 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4134
4135 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4136 if (max_cpus > machine_class->max_cpus) {
4137 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4138 "supported by machine '%s' (%d)", max_cpus,
4139 machine_class->name, machine_class->max_cpus);
4140 exit(1);
4141 }
4142
4143 /*
4144 * Get the default machine options from the machine if it is not already
4145 * specified either by the configuration file or by the command line.
4146 */
4147 if (machine_class->default_machine_opts) {
4148 qemu_opts_set_defaults(qemu_find_opts("machine"),
4149 machine_class->default_machine_opts, 0);
4150 }
4151
4152 qemu_opts_foreach(qemu_find_opts("device"),
4153 default_driver_check, NULL, NULL);
4154 qemu_opts_foreach(qemu_find_opts("global"),
4155 default_driver_check, NULL, NULL);
4156
4157 if (!vga_model && !default_vga) {
4158 vga_interface_type = VGA_DEVICE;
4159 }
4160 if (!has_defaults || machine_class->no_serial) {
4161 default_serial = 0;
4162 }
4163 if (!has_defaults || machine_class->no_parallel) {
4164 default_parallel = 0;
4165 }
4166 if (!has_defaults || !machine_class->use_virtcon) {
4167 default_virtcon = 0;
4168 }
4169 if (!has_defaults || !machine_class->use_sclp) {
4170 default_sclp = 0;
4171 }
4172 if (!has_defaults || machine_class->no_floppy) {
4173 default_floppy = 0;
4174 }
4175 if (!has_defaults || machine_class->no_cdrom) {
4176 default_cdrom = 0;
4177 }
4178 if (!has_defaults || machine_class->no_sdcard) {
4179 default_sdcard = 0;
4180 }
4181 if (!has_defaults) {
4182 default_monitor = 0;
4183 default_net = 0;
4184 default_vga = 0;
4185 }
4186
4187 if (is_daemonized()) {
4188 /* According to documentation and historically, -nographic redirects
4189 * serial port, parallel port and monitor to stdio, which does not work
4190 * with -daemonize. We can redirect these to null instead, but since
4191 * -nographic is legacy, let's just error out.
4192 * We disallow -nographic only if all other ports are not redirected
4193 * explicitly, to not break existing legacy setups which uses
4194 * -nographic _and_ redirects all ports explicitly - this is valid
4195 * usage, -nographic is just a no-op in this case.
4196 */
4197 if (display_type == DT_NOGRAPHIC
4198 && (default_parallel || default_serial
4199 || default_monitor || default_virtcon)) {
4200 error_report("-nographic cannot be used with -daemonize");
4201 exit(1);
4202 }
4203 #ifdef CONFIG_CURSES
4204 if (display_type == DT_CURSES) {
4205 error_report("curses display cannot be used with -daemonize");
4206 exit(1);
4207 }
4208 #endif
4209 }
4210
4211 if (display_type == DT_NOGRAPHIC) {
4212 if (default_parallel)
4213 add_device_config(DEV_PARALLEL, "null");
4214 if (default_serial && default_monitor) {
4215 add_device_config(DEV_SERIAL, "mon:stdio");
4216 } else if (default_virtcon && default_monitor) {
4217 add_device_config(DEV_VIRTCON, "mon:stdio");
4218 } else if (default_sclp && default_monitor) {
4219 add_device_config(DEV_SCLP, "mon:stdio");
4220 } else {
4221 if (default_serial)
4222 add_device_config(DEV_SERIAL, "stdio");
4223 if (default_virtcon)
4224 add_device_config(DEV_VIRTCON, "stdio");
4225 if (default_sclp) {
4226 add_device_config(DEV_SCLP, "stdio");
4227 }
4228 if (default_monitor)
4229 monitor_parse("stdio", "readline", false);
4230 }
4231 } else {
4232 if (default_serial)
4233 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4234 if (default_parallel)
4235 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4236 if (default_monitor)
4237 monitor_parse("vc:80Cx24C", "readline", false);
4238 if (default_virtcon)
4239 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4240 if (default_sclp) {
4241 add_device_config(DEV_SCLP, "vc:80Cx24C");
4242 }
4243 }
4244
4245 #if defined(CONFIG_VNC)
4246 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4247 display_remote++;
4248 }
4249 #endif
4250 if (display_type == DT_DEFAULT && !display_remote) {
4251 #if defined(CONFIG_GTK)
4252 display_type = DT_GTK;
4253 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4254 display_type = DT_SDL;
4255 #elif defined(CONFIG_VNC)
4256 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4257 show_vnc_port = 1;
4258 #else
4259 display_type = DT_NONE;
4260 #endif
4261 }
4262
4263 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4264 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4265 "for SDL, ignoring option");
4266 }
4267 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4268 error_report("-no-quit is only valid for GTK and SDL, "
4269 "ignoring option");
4270 }
4271
4272 #if defined(CONFIG_GTK)
4273 if (display_type == DT_GTK) {
4274 early_gtk_display_init(request_opengl);
4275 }
4276 #endif
4277 #if defined(CONFIG_SDL)
4278 if (display_type == DT_SDL) {
4279 sdl_display_early_init(request_opengl);
4280 }
4281 #endif
4282 if (request_opengl == 1 && display_opengl == 0) {
4283 #if defined(CONFIG_OPENGL)
4284 error_report("OpenGL is not supported by the display");
4285 #else
4286 error_report("OpenGL support is disabled");
4287 #endif
4288 exit(1);
4289 }
4290
4291 page_size_init();
4292 socket_init();
4293
4294 if (qemu_opts_foreach(qemu_find_opts("object"),
4295 object_create,
4296 object_create_initial, NULL)) {
4297 exit(1);
4298 }
4299
4300 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4301 chardev_init_func, NULL, NULL)) {
4302 exit(1);
4303 }
4304
4305 #ifdef CONFIG_VIRTFS
4306 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4307 fsdev_init_func, NULL, NULL)) {
4308 exit(1);
4309 }
4310 #endif
4311
4312 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4313 error_report("could not acquire pid file: %s", strerror(errno));
4314 exit(1);
4315 }
4316
4317 if (qemu_opts_foreach(qemu_find_opts("device"),
4318 device_help_func, NULL, NULL)) {
4319 exit(0);
4320 }
4321
4322 machine_opts = qemu_get_machine_opts();
4323 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4324 NULL)) {
4325 object_unref(OBJECT(current_machine));
4326 exit(1);
4327 }
4328
4329 configure_accelerator(current_machine);
4330
4331 if (qtest_chrdev) {
4332 Error *local_err = NULL;
4333 qtest_init(qtest_chrdev, qtest_log, &local_err);
4334 if (local_err) {
4335 error_report_err(local_err);
4336 exit(1);
4337 }
4338 }
4339
4340 machine_opts = qemu_get_machine_opts();
4341 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4342 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4343 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4344 bios_name = qemu_opt_get(machine_opts, "firmware");
4345
4346 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4347 if (opts) {
4348 Error *local_err = NULL;
4349
4350 boot_order = qemu_opt_get(opts, "order");
4351 if (boot_order) {
4352 validate_bootdevices(boot_order, &local_err);
4353 if (local_err) {
4354 error_report_err(local_err);
4355 exit(1);
4356 }
4357 }
4358
4359 boot_once = qemu_opt_get(opts, "once");
4360 if (boot_once) {
4361 validate_bootdevices(boot_once, &local_err);
4362 if (local_err) {
4363 error_report_err(local_err);
4364 exit(1);
4365 }
4366 }
4367
4368 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4369 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4370 }
4371
4372 if (!boot_order) {
4373 boot_order = machine_class->default_boot_order;
4374 }
4375
4376 if (!kernel_cmdline) {
4377 kernel_cmdline = "";
4378 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4379 }
4380
4381 linux_boot = (kernel_filename != NULL);
4382
4383 if (!linux_boot && *kernel_cmdline != '\0') {
4384 error_report("-append only allowed with -kernel option");
4385 exit(1);
4386 }
4387
4388 if (!linux_boot && initrd_filename != NULL) {
4389 error_report("-initrd only allowed with -kernel option");
4390 exit(1);
4391 }
4392
4393 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4394 error_report("-dtb only allowed with -kernel option");
4395 exit(1);
4396 }
4397
4398 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4399 /* fall back to the -kernel/-append */
4400 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4401 }
4402
4403 os_set_line_buffering();
4404
4405 #ifdef CONFIG_SPICE
4406 /* spice needs the timers to be initialized by this point */
4407 qemu_spice_init();
4408 #endif
4409
4410 cpu_ticks_init();
4411 if (icount_opts) {
4412 if (kvm_enabled() || xen_enabled()) {
4413 error_report("-icount is not allowed with kvm or xen");
4414 exit(1);
4415 }
4416 configure_icount(icount_opts, &error_abort);
4417 qemu_opts_del(icount_opts);
4418 }
4419
4420 /* clean up network at qemu process termination */
4421 atexit(&net_cleanup);
4422
4423 if (net_init_clients() < 0) {
4424 exit(1);
4425 }
4426
4427 if (qemu_opts_foreach(qemu_find_opts("object"),
4428 object_create,
4429 object_create_delayed, NULL)) {
4430 exit(1);
4431 }
4432
4433 #ifdef CONFIG_TPM
4434 if (tpm_init() < 0) {
4435 exit(1);
4436 }
4437 #endif
4438
4439 /* init the bluetooth world */
4440 if (foreach_device_config(DEV_BT, bt_parse))
4441 exit(1);
4442
4443 if (!xen_enabled()) {
4444 /* On 32-bit hosts, QEMU is limited by virtual address space */
4445 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4446 error_report("at most 2047 MB RAM can be simulated");
4447 exit(1);
4448 }
4449 }
4450
4451 blk_mig_init();
4452 ram_mig_init();
4453
4454 /* If the currently selected machine wishes to override the units-per-bus
4455 * property of its default HBA interface type, do so now. */
4456 if (machine_class->units_per_default_bus) {
4457 override_max_devs(machine_class->block_default_type,
4458 machine_class->units_per_default_bus);
4459 }
4460
4461 /* open the virtual block devices */
4462 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4463 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4464 NULL, NULL);
4465 }
4466 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4467 &machine_class->block_default_type, NULL)) {
4468 exit(1);
4469 }
4470
4471 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4472 CDROM_OPTS);
4473 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4474 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4475
4476 parse_numa_opts(machine_class);
4477
4478 if (qemu_opts_foreach(qemu_find_opts("mon"),
4479 mon_init_func, NULL, NULL)) {
4480 exit(1);
4481 }
4482
4483 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4484 exit(1);
4485 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4486 exit(1);
4487 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4488 exit(1);
4489 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4490 exit(1);
4491 }
4492 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4493 exit(1);
4494
4495 /* If no default VGA is requested, the default is "none". */
4496 if (default_vga) {
4497 if (machine_class->default_display) {
4498 vga_model = machine_class->default_display;
4499 } else if (cirrus_vga_available()) {
4500 vga_model = "cirrus";
4501 } else if (vga_available()) {
4502 vga_model = "std";
4503 }
4504 }
4505 if (vga_model) {
4506 select_vgahw(vga_model);
4507 }
4508
4509 if (watchdog) {
4510 i = select_watchdog(watchdog);
4511 if (i > 0)
4512 exit (i == 1 ? 1 : 0);
4513 }
4514
4515 if (machine_class->compat_props) {
4516 qdev_prop_register_global_list(machine_class->compat_props);
4517 }
4518 qemu_add_globals();
4519
4520 /* This checkpoint is required by replay to separate prior clock
4521 reading from the other reads, because timer polling functions query
4522 clock values from the log. */
4523 replay_checkpoint(CHECKPOINT_INIT);
4524 qdev_machine_init();
4525
4526 current_machine->ram_size = ram_size;
4527 current_machine->maxram_size = maxram_size;
4528 current_machine->ram_slots = ram_slots;
4529 current_machine->boot_order = boot_order;
4530 current_machine->cpu_model = cpu_model;
4531
4532 machine_class->init(current_machine);
4533
4534 realtime_init();
4535
4536 audio_init();
4537
4538 cpu_synchronize_all_post_init();
4539
4540 numa_post_machine_init();
4541
4542 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4543 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4544 exit(1);
4545 }
4546
4547 /* init USB devices */
4548 if (usb_enabled()) {
4549 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4550 exit(1);
4551 }
4552
4553 /* Check if IGD GFX passthrough. */
4554 igd_gfx_passthru();
4555
4556 /* init generic devices */
4557 if (qemu_opts_foreach(qemu_find_opts("device"),
4558 device_init_func, NULL, NULL)) {
4559 exit(1);
4560 }
4561
4562 /* Did we create any drives that we failed to create a device for? */
4563 drive_check_orphaned();
4564
4565 net_check_clients();
4566
4567 if (boot_once) {
4568 Error *local_err = NULL;
4569 qemu_boot_set(boot_once, &local_err);
4570 if (local_err) {
4571 error_report("%s", error_get_pretty(local_err));
4572 exit(1);
4573 }
4574 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4575 }
4576
4577 ds = init_displaystate();
4578
4579 /* init local displays */
4580 switch (display_type) {
4581 case DT_NOGRAPHIC:
4582 (void)ds; /* avoid warning if no display is configured */
4583 break;
4584 #if defined(CONFIG_CURSES)
4585 case DT_CURSES:
4586 curses_display_init(ds, full_screen);
4587 break;
4588 #endif
4589 #if defined(CONFIG_SDL)
4590 case DT_SDL:
4591 sdl_display_init(ds, full_screen, no_frame);
4592 break;
4593 #elif defined(CONFIG_COCOA)
4594 case DT_SDL:
4595 cocoa_display_init(ds, full_screen);
4596 break;
4597 #endif
4598 #if defined(CONFIG_GTK)
4599 case DT_GTK:
4600 gtk_display_init(ds, full_screen, grab_on_hover);
4601 break;
4602 #endif
4603 default:
4604 break;
4605 }
4606
4607 /* must be after terminal init, SDL library changes signal handlers */
4608 os_setup_signal_handling();
4609
4610 #ifdef CONFIG_VNC
4611 /* init remote displays */
4612 qemu_opts_foreach(qemu_find_opts("vnc"),
4613 vnc_init_func, NULL, NULL);
4614 if (show_vnc_port) {
4615 char *ret = vnc_display_local_addr("default");
4616 printf("VNC server running on '%s'\n", ret);
4617 g_free(ret);
4618 }
4619 #endif
4620 #ifdef CONFIG_SPICE
4621 if (using_spice) {
4622 qemu_spice_display_init();
4623 }
4624 #endif
4625
4626 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4627 exit(1);
4628 }
4629
4630 qdev_machine_creation_done();
4631
4632 /* TODO: once all bus devices are qdevified, this should be done
4633 * when bus is created by qdev.c */
4634 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4635 qemu_run_machine_init_done_notifiers();
4636
4637 if (rom_check_and_register_reset() != 0) {
4638 error_report("rom check and register reset failed");
4639 exit(1);
4640 }
4641
4642 replay_start();
4643
4644 /* This checkpoint is required by replay to separate prior clock
4645 reading from the other reads, because timer polling functions query
4646 clock values from the log. */
4647 replay_checkpoint(CHECKPOINT_RESET);
4648 qemu_system_reset(VMRESET_SILENT);
4649 register_global_state();
4650 if (loadvm) {
4651 if (load_vmstate(loadvm) < 0) {
4652 autostart = 0;
4653 }
4654 }
4655
4656 qdev_prop_check_globals();
4657 if (vmstate_dump_file) {
4658 /* dump and exit */
4659 dump_vmstate_json_to_file(vmstate_dump_file);
4660 return 0;
4661 }
4662
4663 if (incoming) {
4664 Error *local_err = NULL;
4665 qemu_start_incoming_migration(incoming, &local_err);
4666 if (local_err) {
4667 error_report("-incoming %s: %s", incoming,
4668 error_get_pretty(local_err));
4669 error_free(local_err);
4670 exit(1);
4671 }
4672 } else if (autostart) {
4673 vm_start();
4674 }
4675
4676 os_setup_post();
4677
4678 if (is_daemonized()) {
4679 if (!trace_init_backends(trace_events, trace_file)) {
4680 exit(1);
4681 }
4682 }
4683
4684 main_loop();
4685 replay_disable_events();
4686
4687 bdrv_close_all();
4688 pause_all_vcpus();
4689 res_free();
4690 #ifdef CONFIG_TPM
4691 tpm_cleanup();
4692 #endif
4693
4694 return 0;
4695 }
AR7 emulation for QEMU