hw/net: fix mcf_fec driver receiver
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 if (boot_splash_filedata != NULL) {
538 g_free(boot_splash_filedata);
539 boot_splash_filedata = NULL;
540 }
541 }
542
543 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
544 {
545 const char *driver = qemu_opt_get(opts, "driver");
546 int i;
547
548 if (!driver)
549 return 0;
550 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
551 if (strcmp(default_list[i].driver, driver) != 0)
552 continue;
553 *(default_list[i].flag) = 0;
554 }
555 return 0;
556 }
557
558 /***********************************************************/
559 /* QEMU state */
560
561 static RunState current_run_state = RUN_STATE_PRELAUNCH;
562
563 /* We use RUN_STATE_MAX but any invalid value will do */
564 static RunState vmstop_requested = RUN_STATE_MAX;
565 static QemuMutex vmstop_lock;
566
567 typedef struct {
568 RunState from;
569 RunState to;
570 } RunStateTransition;
571
572 static const RunStateTransition runstate_transitions_def[] = {
573 /* from -> to */
574 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
575 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
578 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
579 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
582 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
584 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
585
586 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
587 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
590 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
593 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
596 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
599 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
604
605 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
606
607 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
608 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
609 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
610 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
611 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
613 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
614 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
615 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
616 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
617
618 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
619
620 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
621 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
624 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
625 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
626 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
629 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
632 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_MAX, RUN_STATE_MAX },
635 };
636
637 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
638
639 bool runstate_check(RunState state)
640 {
641 return current_run_state == state;
642 }
643
644 bool runstate_store(char *str, size_t size)
645 {
646 const char *state = RunState_lookup[current_run_state];
647 size_t len = strlen(state) + 1;
648
649 if (len > size) {
650 return false;
651 }
652 memcpy(str, state, len);
653 return true;
654 }
655
656 static void runstate_init(void)
657 {
658 const RunStateTransition *p;
659
660 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
661 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
662 runstate_valid_transitions[p->from][p->to] = true;
663 }
664
665 qemu_mutex_init(&vmstop_lock);
666 }
667
668 /* This function will abort() on invalid state transitions */
669 void runstate_set(RunState new_state)
670 {
671 assert(new_state < RUN_STATE_MAX);
672
673 if (!runstate_valid_transitions[current_run_state][new_state]) {
674 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
675 RunState_lookup[current_run_state],
676 RunState_lookup[new_state]);
677 abort();
678 }
679 trace_runstate_set(new_state);
680 current_run_state = new_state;
681 }
682
683 int runstate_is_running(void)
684 {
685 return runstate_check(RUN_STATE_RUNNING);
686 }
687
688 bool runstate_needs_reset(void)
689 {
690 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
691 runstate_check(RUN_STATE_SHUTDOWN);
692 }
693
694 StatusInfo *qmp_query_status(Error **errp)
695 {
696 StatusInfo *info = g_malloc0(sizeof(*info));
697
698 info->running = runstate_is_running();
699 info->singlestep = singlestep;
700 info->status = current_run_state;
701
702 return info;
703 }
704
705 static bool qemu_vmstop_requested(RunState *r)
706 {
707 qemu_mutex_lock(&vmstop_lock);
708 *r = vmstop_requested;
709 vmstop_requested = RUN_STATE_MAX;
710 qemu_mutex_unlock(&vmstop_lock);
711 return *r < RUN_STATE_MAX;
712 }
713
714 void qemu_system_vmstop_request_prepare(void)
715 {
716 qemu_mutex_lock(&vmstop_lock);
717 }
718
719 void qemu_system_vmstop_request(RunState state)
720 {
721 vmstop_requested = state;
722 qemu_mutex_unlock(&vmstop_lock);
723 qemu_notify_event();
724 }
725
726 void vm_start(void)
727 {
728 RunState requested;
729
730 qemu_vmstop_requested(&requested);
731 if (runstate_is_running() && requested == RUN_STATE_MAX) {
732 return;
733 }
734
735 /* Ensure that a STOP/RESUME pair of events is emitted if a
736 * vmstop request was pending. The BLOCK_IO_ERROR event, for
737 * example, according to documentation is always followed by
738 * the STOP event.
739 */
740 if (runstate_is_running()) {
741 qapi_event_send_stop(&error_abort);
742 } else {
743 cpu_enable_ticks();
744 runstate_set(RUN_STATE_RUNNING);
745 vm_state_notify(1, RUN_STATE_RUNNING);
746 resume_all_vcpus();
747 }
748
749 qapi_event_send_resume(&error_abort);
750 }
751
752
753 /***********************************************************/
754 /* real time host monotonic timer */
755
756 static time_t qemu_time(void)
757 {
758 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
759 }
760
761 /***********************************************************/
762 /* host time/date access */
763 void qemu_get_timedate(struct tm *tm, int offset)
764 {
765 time_t ti = qemu_time();
766
767 ti += offset;
768 if (rtc_date_offset == -1) {
769 if (rtc_utc)
770 gmtime_r(&ti, tm);
771 else
772 localtime_r(&ti, tm);
773 } else {
774 ti -= rtc_date_offset;
775 gmtime_r(&ti, tm);
776 }
777 }
778
779 int qemu_timedate_diff(struct tm *tm)
780 {
781 time_t seconds;
782
783 if (rtc_date_offset == -1)
784 if (rtc_utc)
785 seconds = mktimegm(tm);
786 else {
787 struct tm tmp = *tm;
788 tmp.tm_isdst = -1; /* use timezone to figure it out */
789 seconds = mktime(&tmp);
790 }
791 else
792 seconds = mktimegm(tm) + rtc_date_offset;
793
794 return seconds - qemu_time();
795 }
796
797 static void configure_rtc_date_offset(const char *startdate, int legacy)
798 {
799 time_t rtc_start_date;
800 struct tm tm;
801
802 if (!strcmp(startdate, "now") && legacy) {
803 rtc_date_offset = -1;
804 } else {
805 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
806 &tm.tm_year,
807 &tm.tm_mon,
808 &tm.tm_mday,
809 &tm.tm_hour,
810 &tm.tm_min,
811 &tm.tm_sec) == 6) {
812 /* OK */
813 } else if (sscanf(startdate, "%d-%d-%d",
814 &tm.tm_year,
815 &tm.tm_mon,
816 &tm.tm_mday) == 3) {
817 tm.tm_hour = 0;
818 tm.tm_min = 0;
819 tm.tm_sec = 0;
820 } else {
821 goto date_fail;
822 }
823 tm.tm_year -= 1900;
824 tm.tm_mon--;
825 rtc_start_date = mktimegm(&tm);
826 if (rtc_start_date == -1) {
827 date_fail:
828 fprintf(stderr, "Invalid date format. Valid formats are:\n"
829 "'2006-06-17T16:01:21' or '2006-06-17'\n");
830 exit(1);
831 }
832 rtc_date_offset = qemu_time() - rtc_start_date;
833 }
834 }
835
836 static void configure_rtc(QemuOpts *opts)
837 {
838 const char *value;
839
840 value = qemu_opt_get(opts, "base");
841 if (value) {
842 if (!strcmp(value, "utc")) {
843 rtc_utc = 1;
844 } else if (!strcmp(value, "localtime")) {
845 rtc_utc = 0;
846 } else {
847 configure_rtc_date_offset(value, 0);
848 }
849 }
850 value = qemu_opt_get(opts, "clock");
851 if (value) {
852 if (!strcmp(value, "host")) {
853 rtc_clock = QEMU_CLOCK_HOST;
854 } else if (!strcmp(value, "rt")) {
855 rtc_clock = QEMU_CLOCK_REALTIME;
856 } else if (!strcmp(value, "vm")) {
857 rtc_clock = QEMU_CLOCK_VIRTUAL;
858 } else {
859 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
860 exit(1);
861 }
862 }
863 value = qemu_opt_get(opts, "driftfix");
864 if (value) {
865 if (!strcmp(value, "slew")) {
866 static GlobalProperty slew_lost_ticks[] = {
867 {
868 .driver = "mc146818rtc",
869 .property = "lost_tick_policy",
870 .value = "slew",
871 },
872 { /* end of list */ }
873 };
874
875 qdev_prop_register_global_list(slew_lost_ticks);
876 } else if (!strcmp(value, "none")) {
877 /* discard is default */
878 } else {
879 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
880 exit(1);
881 }
882 }
883 }
884
885 /***********************************************************/
886 /* Bluetooth support */
887 static int nb_hcis;
888 static int cur_hci;
889 static struct HCIInfo *hci_table[MAX_NICS];
890
891 struct HCIInfo *qemu_next_hci(void)
892 {
893 if (cur_hci == nb_hcis)
894 return &null_hci;
895
896 return hci_table[cur_hci++];
897 }
898
899 static int bt_hci_parse(const char *str)
900 {
901 struct HCIInfo *hci;
902 bdaddr_t bdaddr;
903
904 if (nb_hcis >= MAX_NICS) {
905 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
906 return -1;
907 }
908
909 hci = hci_init(str);
910 if (!hci)
911 return -1;
912
913 bdaddr.b[0] = 0x52;
914 bdaddr.b[1] = 0x54;
915 bdaddr.b[2] = 0x00;
916 bdaddr.b[3] = 0x12;
917 bdaddr.b[4] = 0x34;
918 bdaddr.b[5] = 0x56 + nb_hcis;
919 hci->bdaddr_set(hci, bdaddr.b);
920
921 hci_table[nb_hcis++] = hci;
922
923 return 0;
924 }
925
926 static void bt_vhci_add(int vlan_id)
927 {
928 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
929
930 if (!vlan->slave)
931 fprintf(stderr, "qemu: warning: adding a VHCI to "
932 "an empty scatternet %i\n", vlan_id);
933
934 bt_vhci_init(bt_new_hci(vlan));
935 }
936
937 static struct bt_device_s *bt_device_add(const char *opt)
938 {
939 struct bt_scatternet_s *vlan;
940 int vlan_id = 0;
941 char *endp = strstr(opt, ",vlan=");
942 int len = (endp ? endp - opt : strlen(opt)) + 1;
943 char devname[10];
944
945 pstrcpy(devname, MIN(sizeof(devname), len), opt);
946
947 if (endp) {
948 vlan_id = strtol(endp + 6, &endp, 0);
949 if (*endp) {
950 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
951 return 0;
952 }
953 }
954
955 vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 fprintf(stderr, "qemu: warning: adding a slave device to "
959 "an empty scatternet %i\n", vlan_id);
960
961 if (!strcmp(devname, "keyboard"))
962 return bt_keyboard_init(vlan);
963
964 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
965 return 0;
966 }
967
968 static int bt_parse(const char *opt)
969 {
970 const char *endp, *p;
971 int vlan;
972
973 if (strstart(opt, "hci", &endp)) {
974 if (!*endp || *endp == ',') {
975 if (*endp)
976 if (!strstart(endp, ",vlan=", 0))
977 opt = endp + 1;
978
979 return bt_hci_parse(opt);
980 }
981 } else if (strstart(opt, "vhci", &endp)) {
982 if (!*endp || *endp == ',') {
983 if (*endp) {
984 if (strstart(endp, ",vlan=", &p)) {
985 vlan = strtol(p, (char **) &endp, 0);
986 if (*endp) {
987 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
988 return 1;
989 }
990 } else {
991 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
992 return 1;
993 }
994 } else
995 vlan = 0;
996
997 bt_vhci_add(vlan);
998 return 0;
999 }
1000 } else if (strstart(opt, "device:", &endp))
1001 return !bt_device_add(endp);
1002
1003 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1004 return 1;
1005 }
1006
1007 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1008 {
1009 /* FIXME: change this to true for 1.3 */
1010 if (qemu_opt_get_bool(opts, "enable", false)) {
1011 #ifdef CONFIG_SECCOMP
1012 if (seccomp_start() < 0) {
1013 error_report("failed to install seccomp syscall filter "
1014 "in the kernel");
1015 return -1;
1016 }
1017 #else
1018 error_report("sandboxing request but seccomp is not compiled "
1019 "into this build");
1020 return -1;
1021 #endif
1022 }
1023
1024 return 0;
1025 }
1026
1027 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 {
1029 const char *proc_name;
1030
1031 if (qemu_opt_get(opts, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 }
1034 qemu_name = qemu_opt_get(opts, "guest");
1035
1036 proc_name = qemu_opt_get(opts, "process");
1037 if (proc_name) {
1038 os_set_proc_name(proc_name);
1039 }
1040
1041 return 0;
1042 }
1043
1044 bool defaults_enabled(void)
1045 {
1046 return has_defaults;
1047 }
1048
1049 bool usb_enabled(void)
1050 {
1051 return machine_usb(current_machine);
1052 }
1053
1054 #ifndef _WIN32
1055 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1056 {
1057 int fd, dupfd, flags;
1058 int64_t fdset_id;
1059 const char *fd_opaque = NULL;
1060 AddfdInfo *fdinfo;
1061
1062 fd = qemu_opt_get_number(opts, "fd", -1);
1063 fdset_id = qemu_opt_get_number(opts, "set", -1);
1064 fd_opaque = qemu_opt_get(opts, "opaque");
1065
1066 if (fd < 0) {
1067 error_report("fd option is required and must be non-negative");
1068 return -1;
1069 }
1070
1071 if (fd <= STDERR_FILENO) {
1072 error_report("fd cannot be a standard I/O stream");
1073 return -1;
1074 }
1075
1076 /*
1077 * All fds inherited across exec() necessarily have FD_CLOEXEC
1078 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1079 */
1080 flags = fcntl(fd, F_GETFD);
1081 if (flags == -1 || (flags & FD_CLOEXEC)) {
1082 error_report("fd is not valid or already in use");
1083 return -1;
1084 }
1085
1086 if (fdset_id < 0) {
1087 error_report("set option is required and must be non-negative");
1088 return -1;
1089 }
1090
1091 #ifdef F_DUPFD_CLOEXEC
1092 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1093 #else
1094 dupfd = dup(fd);
1095 if (dupfd != -1) {
1096 qemu_set_cloexec(dupfd);
1097 }
1098 #endif
1099 if (dupfd == -1) {
1100 error_report("Error duplicating fd: %s", strerror(errno));
1101 return -1;
1102 }
1103
1104 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1105 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1106 &error_abort);
1107 g_free(fdinfo);
1108
1109 return 0;
1110 }
1111
1112 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1113 {
1114 int fd;
1115
1116 fd = qemu_opt_get_number(opts, "fd", -1);
1117 close(fd);
1118
1119 return 0;
1120 }
1121 #endif
1122
1123 /***********************************************************/
1124 /* QEMU Block devices */
1125
1126 #define HD_OPTS "media=disk"
1127 #define CDROM_OPTS "media=cdrom"
1128 #define FD_OPTS ""
1129 #define PFLASH_OPTS ""
1130 #define MTD_OPTS ""
1131 #define SD_OPTS ""
1132
1133 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 BlockInterfaceType *block_default_type = opaque;
1136
1137 return drive_new(opts, *block_default_type) == NULL;
1138 }
1139
1140 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1141 {
1142 if (qemu_opt_get(opts, "snapshot") == NULL) {
1143 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1144 }
1145 return 0;
1146 }
1147
1148 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1149 int index, const char *optstr)
1150 {
1151 QemuOpts *opts;
1152 DriveInfo *dinfo;
1153
1154 if (!enable || drive_get_by_index(type, index)) {
1155 return;
1156 }
1157
1158 opts = drive_add(type, index, NULL, optstr);
1159 if (snapshot) {
1160 drive_enable_snapshot(NULL, opts, NULL);
1161 }
1162
1163 dinfo = drive_new(opts, type);
1164 if (!dinfo) {
1165 exit(1);
1166 }
1167 dinfo->is_default = true;
1168
1169 }
1170
1171 static QemuOptsList qemu_smp_opts = {
1172 .name = "smp-opts",
1173 .implied_opt_name = "cpus",
1174 .merge_lists = true,
1175 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1176 .desc = {
1177 {
1178 .name = "cpus",
1179 .type = QEMU_OPT_NUMBER,
1180 }, {
1181 .name = "sockets",
1182 .type = QEMU_OPT_NUMBER,
1183 }, {
1184 .name = "cores",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "threads",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "maxcpus",
1191 .type = QEMU_OPT_NUMBER,
1192 },
1193 { /*End of list */ }
1194 },
1195 };
1196
1197 static void smp_parse(QemuOpts *opts)
1198 {
1199 if (opts) {
1200
1201 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1202 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1203 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1204 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1205
1206 /* compute missing values, prefer sockets over cores over threads */
1207 if (cpus == 0 || sockets == 0) {
1208 sockets = sockets > 0 ? sockets : 1;
1209 cores = cores > 0 ? cores : 1;
1210 threads = threads > 0 ? threads : 1;
1211 if (cpus == 0) {
1212 cpus = cores * threads * sockets;
1213 }
1214 } else if (cores == 0) {
1215 threads = threads > 0 ? threads : 1;
1216 cores = cpus / (sockets * threads);
1217 } else if (threads == 0) {
1218 threads = cpus / (cores * sockets);
1219 } else if (sockets * cores * threads < cpus) {
1220 fprintf(stderr, "cpu topology: error: "
1221 "sockets (%u) * cores (%u) * threads (%u) < "
1222 "smp_cpus (%u)\n",
1223 sockets, cores, threads, cpus);
1224 exit(1);
1225 }
1226
1227 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1228
1229 smp_cpus = cpus;
1230 smp_cores = cores > 0 ? cores : 1;
1231 smp_threads = threads > 0 ? threads : 1;
1232
1233 }
1234
1235 if (max_cpus == 0) {
1236 max_cpus = smp_cpus;
1237 }
1238
1239 if (max_cpus > MAX_CPUMASK_BITS) {
1240 fprintf(stderr, "Unsupported number of maxcpus\n");
1241 exit(1);
1242 }
1243 if (max_cpus < smp_cpus) {
1244 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1245 exit(1);
1246 }
1247
1248 }
1249
1250 static void realtime_init(void)
1251 {
1252 if (enable_mlock) {
1253 if (os_mlock() < 0) {
1254 fprintf(stderr, "qemu: locking memory failed\n");
1255 exit(1);
1256 }
1257 }
1258 }
1259
1260
1261 static void configure_msg(QemuOpts *opts)
1262 {
1263 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 }
1265
1266 /***********************************************************/
1267 /* Semihosting */
1268
1269 typedef struct SemihostingConfig {
1270 bool enabled;
1271 SemihostingTarget target;
1272 const char **argv;
1273 int argc;
1274 const char *cmdline; /* concatenated argv */
1275 } SemihostingConfig;
1276
1277 static SemihostingConfig semihosting;
1278
1279 bool semihosting_enabled(void)
1280 {
1281 return semihosting.enabled;
1282 }
1283
1284 SemihostingTarget semihosting_get_target(void)
1285 {
1286 return semihosting.target;
1287 }
1288
1289 const char *semihosting_get_arg(int i)
1290 {
1291 if (i >= semihosting.argc) {
1292 return NULL;
1293 }
1294 return semihosting.argv[i];
1295 }
1296
1297 int semihosting_get_argc(void)
1298 {
1299 return semihosting.argc;
1300 }
1301
1302 const char *semihosting_get_cmdline(void)
1303 {
1304 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1305 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 }
1307 return semihosting.cmdline;
1308 }
1309
1310 static int add_semihosting_arg(void *opaque,
1311 const char *name, const char *val,
1312 Error **errp)
1313 {
1314 SemihostingConfig *s = opaque;
1315 if (strcmp(name, "arg") == 0) {
1316 s->argc++;
1317 /* one extra element as g_strjoinv() expects NULL-terminated array */
1318 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1319 s->argv[s->argc - 1] = val;
1320 s->argv[s->argc] = NULL;
1321 }
1322 return 0;
1323 }
1324
1325 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1326 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1327 {
1328 char *cmd_token;
1329
1330 /* argv[0] */
1331 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332
1333 /* split -append and initialize argv[1..n] */
1334 cmd_token = strtok(g_strdup(cmd), " ");
1335 while (cmd_token) {
1336 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1337 cmd_token = strtok(NULL, " ");
1338 }
1339 }
1340
1341 /***********************************************************/
1342 /* USB devices */
1343
1344 static int usb_device_add(const char *devname)
1345 {
1346 USBDevice *dev = NULL;
1347 #ifndef CONFIG_LINUX
1348 const char *p;
1349 #endif
1350
1351 if (!usb_enabled()) {
1352 return -1;
1353 }
1354
1355 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1356 dev = usbdevice_create(devname);
1357 if (dev)
1358 goto done;
1359
1360 /* the other ones */
1361 #ifndef CONFIG_LINUX
1362 /* only the linux version is qdev-ified, usb-bsd still needs this */
1363 if (strstart(devname, "host:", &p)) {
1364 dev = usb_host_device_open(usb_bus_find(-1), p);
1365 }
1366 #endif
1367 if (!dev)
1368 return -1;
1369
1370 done:
1371 return 0;
1372 }
1373
1374 static int usb_device_del(const char *devname)
1375 {
1376 int bus_num, addr;
1377 const char *p;
1378
1379 if (strstart(devname, "host:", &p)) {
1380 return -1;
1381 }
1382
1383 if (!usb_enabled()) {
1384 return -1;
1385 }
1386
1387 p = strchr(devname, '.');
1388 if (!p)
1389 return -1;
1390 bus_num = strtoul(devname, NULL, 0);
1391 addr = strtoul(p + 1, NULL, 0);
1392
1393 return usb_device_delete_addr(bus_num, addr);
1394 }
1395
1396 static int usb_parse(const char *cmdline)
1397 {
1398 int r;
1399 r = usb_device_add(cmdline);
1400 if (r < 0) {
1401 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1402 }
1403 return r;
1404 }
1405
1406 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1407 {
1408 const char *devname = qdict_get_str(qdict, "devname");
1409 if (usb_device_add(devname) < 0) {
1410 error_report("could not add USB device '%s'", devname);
1411 }
1412 }
1413
1414 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1415 {
1416 const char *devname = qdict_get_str(qdict, "devname");
1417 if (usb_device_del(devname) < 0) {
1418 error_report("could not delete USB device '%s'", devname);
1419 }
1420 }
1421
1422 /***********************************************************/
1423 /* machine registration */
1424
1425 MachineState *current_machine;
1426
1427 /*
1428 * Transitional class registration/init used for converting from
1429 * legacy QEMUMachine to MachineClass.
1430 */
1431 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1432 {
1433 MachineClass *mc = MACHINE_CLASS(oc);
1434 QEMUMachine *qm = data;
1435 mc->name = qm->name;
1436 mc->desc = qm->desc;
1437 mc->init = qm->init;
1438 mc->kvm_type = qm->kvm_type;
1439 mc->block_default_type = qm->block_default_type;
1440 mc->max_cpus = qm->max_cpus;
1441 mc->no_sdcard = qm->no_sdcard;
1442 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1443 mc->is_default = qm->is_default;
1444 mc->default_machine_opts = qm->default_machine_opts;
1445 mc->default_boot_order = qm->default_boot_order;
1446 }
1447
1448 int qemu_register_machine(QEMUMachine *m)
1449 {
1450 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1451 TypeInfo ti = {
1452 .name = name,
1453 .parent = TYPE_MACHINE,
1454 .class_init = qemu_machine_class_init,
1455 .class_data = (void *)m,
1456 };
1457
1458 type_register(&ti);
1459 g_free(name);
1460
1461 return 0;
1462 }
1463
1464 static MachineClass *find_machine(const char *name)
1465 {
1466 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1467 MachineClass *mc = NULL;
1468
1469 for (el = machines; el; el = el->next) {
1470 MachineClass *temp = el->data;
1471
1472 if (!strcmp(temp->name, name)) {
1473 mc = temp;
1474 break;
1475 }
1476 if (temp->alias &&
1477 !strcmp(temp->alias, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 }
1482
1483 g_slist_free(machines);
1484 return mc;
1485 }
1486
1487 MachineClass *find_default_machine(void)
1488 {
1489 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1490 MachineClass *mc = NULL;
1491
1492 for (el = machines; el; el = el->next) {
1493 MachineClass *temp = el->data;
1494
1495 if (temp->is_default) {
1496 mc = temp;
1497 break;
1498 }
1499 }
1500
1501 g_slist_free(machines);
1502 return mc;
1503 }
1504
1505 MachineInfoList *qmp_query_machines(Error **errp)
1506 {
1507 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1508 MachineInfoList *mach_list = NULL;
1509
1510 for (el = machines; el; el = el->next) {
1511 MachineClass *mc = el->data;
1512 MachineInfoList *entry;
1513 MachineInfo *info;
1514
1515 info = g_malloc0(sizeof(*info));
1516 if (mc->is_default) {
1517 info->has_is_default = true;
1518 info->is_default = true;
1519 }
1520
1521 if (mc->alias) {
1522 info->has_alias = true;
1523 info->alias = g_strdup(mc->alias);
1524 }
1525
1526 info->name = g_strdup(mc->name);
1527 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1528
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1532 mach_list = entry;
1533 }
1534
1535 g_slist_free(machines);
1536 return mach_list;
1537 }
1538
1539 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1540 {
1541 ObjectProperty *prop;
1542
1543 if (!qemu_opt_has_help_opt(opts)) {
1544 return 0;
1545 }
1546
1547 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1548 if (!prop->set) {
1549 continue;
1550 }
1551
1552 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1553 prop->name, prop->type);
1554 if (prop->description) {
1555 error_printf(" (%s)\n", prop->description);
1556 } else {
1557 error_printf("\n");
1558 }
1559 }
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 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1649 if (shutdown_pid == 0) {
1650 /* This happens for eg ^C at the terminal, so it's worth
1651 * avoiding printing an odd message in that case.
1652 */
1653 fputc('\n', stderr);
1654 } else {
1655 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1656 }
1657 shutdown_signal = -1;
1658 }
1659 }
1660
1661 static int qemu_reset_requested(void)
1662 {
1663 int r = reset_requested;
1664 reset_requested = 0;
1665 return r;
1666 }
1667
1668 static int qemu_suspend_requested(void)
1669 {
1670 int r = suspend_requested;
1671 suspend_requested = 0;
1672 return r;
1673 }
1674
1675 static WakeupReason qemu_wakeup_requested(void)
1676 {
1677 return wakeup_reason;
1678 }
1679
1680 static int qemu_powerdown_requested(void)
1681 {
1682 int r = powerdown_requested;
1683 powerdown_requested = 0;
1684 return r;
1685 }
1686
1687 static int qemu_debug_requested(void)
1688 {
1689 int r = debug_requested;
1690 debug_requested = 0;
1691 return r;
1692 }
1693
1694 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1695 {
1696 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1697
1698 re->func = func;
1699 re->opaque = opaque;
1700 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1701 }
1702
1703 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1704 {
1705 QEMUResetEntry *re;
1706
1707 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1708 if (re->func == func && re->opaque == opaque) {
1709 QTAILQ_REMOVE(&reset_handlers, re, entry);
1710 g_free(re);
1711 return;
1712 }
1713 }
1714 }
1715
1716 void qemu_devices_reset(void)
1717 {
1718 QEMUResetEntry *re, *nre;
1719
1720 /* reset all devices */
1721 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1722 re->func(re->opaque);
1723 }
1724 }
1725
1726 void qemu_system_reset(bool report)
1727 {
1728 MachineClass *mc;
1729
1730 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1731
1732 if (mc && mc->reset) {
1733 mc->reset();
1734 } else {
1735 qemu_devices_reset();
1736 }
1737 if (report) {
1738 qapi_event_send_reset(&error_abort);
1739 }
1740 cpu_synchronize_all_post_reset();
1741 }
1742
1743 void qemu_system_reset_request(void)
1744 {
1745 if (no_reboot) {
1746 shutdown_requested = 1;
1747 } else {
1748 reset_requested = 1;
1749 }
1750 cpu_stop_current();
1751 qemu_notify_event();
1752 }
1753
1754 static void qemu_system_suspend(void)
1755 {
1756 pause_all_vcpus();
1757 notifier_list_notify(&suspend_notifiers, NULL);
1758 runstate_set(RUN_STATE_SUSPENDED);
1759 qapi_event_send_suspend(&error_abort);
1760 }
1761
1762 void qemu_system_suspend_request(void)
1763 {
1764 if (runstate_check(RUN_STATE_SUSPENDED)) {
1765 return;
1766 }
1767 suspend_requested = 1;
1768 cpu_stop_current();
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_register_suspend_notifier(Notifier *notifier)
1773 {
1774 notifier_list_add(&suspend_notifiers, notifier);
1775 }
1776
1777 void qemu_system_wakeup_request(WakeupReason reason)
1778 {
1779 trace_system_wakeup_request(reason);
1780
1781 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1782 return;
1783 }
1784 if (!(wakeup_reason_mask & (1 << reason))) {
1785 return;
1786 }
1787 runstate_set(RUN_STATE_RUNNING);
1788 wakeup_reason = reason;
1789 qemu_notify_event();
1790 }
1791
1792 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1793 {
1794 if (enabled) {
1795 wakeup_reason_mask |= (1 << reason);
1796 } else {
1797 wakeup_reason_mask &= ~(1 << reason);
1798 }
1799 }
1800
1801 void qemu_register_wakeup_notifier(Notifier *notifier)
1802 {
1803 notifier_list_add(&wakeup_notifiers, notifier);
1804 }
1805
1806 void qemu_system_killed(int signal, pid_t pid)
1807 {
1808 shutdown_signal = signal;
1809 shutdown_pid = pid;
1810 no_shutdown = 0;
1811 qemu_system_shutdown_request();
1812 }
1813
1814 void qemu_system_shutdown_request(void)
1815 {
1816 trace_qemu_system_shutdown_request();
1817 shutdown_requested = 1;
1818 qemu_notify_event();
1819 }
1820
1821 static void qemu_system_powerdown(void)
1822 {
1823 qapi_event_send_powerdown(&error_abort);
1824 notifier_list_notify(&powerdown_notifiers, NULL);
1825 }
1826
1827 void qemu_system_powerdown_request(void)
1828 {
1829 trace_qemu_system_powerdown_request();
1830 powerdown_requested = 1;
1831 qemu_notify_event();
1832 }
1833
1834 void qemu_register_powerdown_notifier(Notifier *notifier)
1835 {
1836 notifier_list_add(&powerdown_notifiers, notifier);
1837 }
1838
1839 void qemu_system_debug_request(void)
1840 {
1841 debug_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 static bool main_loop_should_exit(void)
1846 {
1847 RunState r;
1848 if (qemu_debug_requested()) {
1849 vm_stop(RUN_STATE_DEBUG);
1850 }
1851 if (qemu_suspend_requested()) {
1852 qemu_system_suspend();
1853 }
1854 if (qemu_shutdown_requested()) {
1855 qemu_kill_report();
1856 qapi_event_send_shutdown(&error_abort);
1857 if (no_shutdown) {
1858 vm_stop(RUN_STATE_SHUTDOWN);
1859 } else {
1860 return true;
1861 }
1862 }
1863 if (qemu_reset_requested()) {
1864 pause_all_vcpus();
1865 cpu_synchronize_all_states();
1866 qemu_system_reset(VMRESET_REPORT);
1867 resume_all_vcpus();
1868 if (runstate_needs_reset()) {
1869 runstate_set(RUN_STATE_PAUSED);
1870 }
1871 }
1872 if (qemu_wakeup_requested()) {
1873 pause_all_vcpus();
1874 cpu_synchronize_all_states();
1875 qemu_system_reset(VMRESET_SILENT);
1876 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1877 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1878 resume_all_vcpus();
1879 qapi_event_send_wakeup(&error_abort);
1880 }
1881 if (qemu_powerdown_requested()) {
1882 qemu_system_powerdown();
1883 }
1884 if (qemu_vmstop_requested(&r)) {
1885 vm_stop(r);
1886 }
1887 return false;
1888 }
1889
1890 static void main_loop(void)
1891 {
1892 bool nonblocking;
1893 int last_io = 0;
1894 #ifdef CONFIG_PROFILER
1895 int64_t ti;
1896 #endif
1897 do {
1898 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1899 #ifdef CONFIG_PROFILER
1900 ti = profile_getclock();
1901 #endif
1902 last_io = main_loop_wait(nonblocking);
1903 #ifdef CONFIG_PROFILER
1904 dev_time += profile_getclock() - ti;
1905 #endif
1906 } while (!main_loop_should_exit());
1907 }
1908
1909 static void version(void)
1910 {
1911 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1912 }
1913
1914 static void help(int exitcode)
1915 {
1916 version();
1917 printf("usage: %s [options] [disk_image]\n\n"
1918 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1919 error_get_progname());
1920
1921 #define QEMU_OPTIONS_GENERATE_HELP
1922 #include "qemu-options-wrapper.h"
1923
1924 printf("\nDuring emulation, the following keys are useful:\n"
1925 "ctrl-alt-f toggle full screen\n"
1926 "ctrl-alt-n switch to virtual console 'n'\n"
1927 "ctrl-alt toggle mouse and keyboard grab\n"
1928 "\n"
1929 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1930
1931 exit(exitcode);
1932 }
1933
1934 #define HAS_ARG 0x0001
1935
1936 typedef struct QEMUOption {
1937 const char *name;
1938 int flags;
1939 int index;
1940 uint32_t arch_mask;
1941 } QEMUOption;
1942
1943 static const QEMUOption qemu_options[] = {
1944 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1945 #define QEMU_OPTIONS_GENERATE_OPTIONS
1946 #include "qemu-options-wrapper.h"
1947 { NULL },
1948 };
1949
1950 static bool vga_available(void)
1951 {
1952 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1953 }
1954
1955 static bool cirrus_vga_available(void)
1956 {
1957 return object_class_by_name("cirrus-vga")
1958 || object_class_by_name("isa-cirrus-vga");
1959 }
1960
1961 static bool vmware_vga_available(void)
1962 {
1963 return object_class_by_name("vmware-svga");
1964 }
1965
1966 static bool qxl_vga_available(void)
1967 {
1968 return object_class_by_name("qxl-vga");
1969 }
1970
1971 static bool tcx_vga_available(void)
1972 {
1973 return object_class_by_name("SUNW,tcx");
1974 }
1975
1976 static bool cg3_vga_available(void)
1977 {
1978 return object_class_by_name("cgthree");
1979 }
1980
1981 static bool virtio_vga_available(void)
1982 {
1983 return object_class_by_name("virtio-vga");
1984 }
1985
1986 static void select_vgahw (const char *p)
1987 {
1988 const char *opts;
1989
1990 assert(vga_interface_type == VGA_NONE);
1991 if (strstart(p, "std", &opts)) {
1992 if (vga_available()) {
1993 vga_interface_type = VGA_STD;
1994 } else {
1995 fprintf(stderr, "Error: standard VGA not available\n");
1996 exit(0);
1997 }
1998 } else if (strstart(p, "cirrus", &opts)) {
1999 if (cirrus_vga_available()) {
2000 vga_interface_type = VGA_CIRRUS;
2001 } else {
2002 fprintf(stderr, "Error: Cirrus VGA not available\n");
2003 exit(0);
2004 }
2005 } else if (strstart(p, "vmware", &opts)) {
2006 if (vmware_vga_available()) {
2007 vga_interface_type = VGA_VMWARE;
2008 } else {
2009 fprintf(stderr, "Error: VMWare SVGA not available\n");
2010 exit(0);
2011 }
2012 } else if (strstart(p, "virtio", &opts)) {
2013 if (virtio_vga_available()) {
2014 vga_interface_type = VGA_VIRTIO;
2015 } else {
2016 fprintf(stderr, "Error: Virtio VGA not available\n");
2017 exit(0);
2018 }
2019 } else if (strstart(p, "xenfb", &opts)) {
2020 vga_interface_type = VGA_XENFB;
2021 } else if (strstart(p, "qxl", &opts)) {
2022 if (qxl_vga_available()) {
2023 vga_interface_type = VGA_QXL;
2024 } else {
2025 fprintf(stderr, "Error: QXL VGA not available\n");
2026 exit(0);
2027 }
2028 } else if (strstart(p, "tcx", &opts)) {
2029 if (tcx_vga_available()) {
2030 vga_interface_type = VGA_TCX;
2031 } else {
2032 fprintf(stderr, "Error: TCX framebuffer not available\n");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "cg3", &opts)) {
2036 if (cg3_vga_available()) {
2037 vga_interface_type = VGA_CG3;
2038 } else {
2039 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2040 exit(0);
2041 }
2042 } else if (!strstart(p, "none", &opts)) {
2043 invalid_vga:
2044 fprintf(stderr, "Unknown vga type: %s\n", p);
2045 exit(1);
2046 }
2047 while (*opts) {
2048 const char *nextopt;
2049
2050 if (strstart(opts, ",retrace=", &nextopt)) {
2051 opts = nextopt;
2052 if (strstart(opts, "dumb", &nextopt))
2053 vga_retrace_method = VGA_RETRACE_DUMB;
2054 else if (strstart(opts, "precise", &nextopt))
2055 vga_retrace_method = VGA_RETRACE_PRECISE;
2056 else goto invalid_vga;
2057 } else goto invalid_vga;
2058 opts = nextopt;
2059 }
2060 }
2061
2062 static DisplayType select_display(const char *p)
2063 {
2064 const char *opts;
2065 DisplayType display = DT_DEFAULT;
2066
2067 if (strstart(p, "sdl", &opts)) {
2068 #ifdef CONFIG_SDL
2069 display = DT_SDL;
2070 while (*opts) {
2071 const char *nextopt;
2072
2073 if (strstart(opts, ",frame=", &nextopt)) {
2074 opts = nextopt;
2075 if (strstart(opts, "on", &nextopt)) {
2076 no_frame = 0;
2077 } else if (strstart(opts, "off", &nextopt)) {
2078 no_frame = 1;
2079 } else {
2080 goto invalid_sdl_args;
2081 }
2082 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2083 opts = nextopt;
2084 if (strstart(opts, "on", &nextopt)) {
2085 alt_grab = 1;
2086 } else if (strstart(opts, "off", &nextopt)) {
2087 alt_grab = 0;
2088 } else {
2089 goto invalid_sdl_args;
2090 }
2091 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2092 opts = nextopt;
2093 if (strstart(opts, "on", &nextopt)) {
2094 ctrl_grab = 1;
2095 } else if (strstart(opts, "off", &nextopt)) {
2096 ctrl_grab = 0;
2097 } else {
2098 goto invalid_sdl_args;
2099 }
2100 } else if (strstart(opts, ",window_close=", &nextopt)) {
2101 opts = nextopt;
2102 if (strstart(opts, "on", &nextopt)) {
2103 no_quit = 0;
2104 } else if (strstart(opts, "off", &nextopt)) {
2105 no_quit = 1;
2106 } else {
2107 goto invalid_sdl_args;
2108 }
2109 } else if (strstart(opts, ",gl=", &nextopt)) {
2110 opts = nextopt;
2111 if (strstart(opts, "on", &nextopt)) {
2112 request_opengl = 1;
2113 } else if (strstart(opts, "off", &nextopt)) {
2114 request_opengl = 0;
2115 } else {
2116 goto invalid_sdl_args;
2117 }
2118 } else {
2119 invalid_sdl_args:
2120 error_report("Invalid SDL option string");
2121 exit(1);
2122 }
2123 opts = nextopt;
2124 }
2125 #else
2126 error_report("SDL support is disabled");
2127 exit(1);
2128 #endif
2129 } else if (strstart(p, "vnc", &opts)) {
2130 #ifdef CONFIG_VNC
2131 if (*opts == '=') {
2132 Error *err = NULL;
2133 if (vnc_parse(opts + 1, &err) == NULL) {
2134 error_report_err(err);
2135 exit(1);
2136 }
2137 } else {
2138 error_report("VNC requires a display argument vnc=<display>");
2139 exit(1);
2140 }
2141 #else
2142 error_report("VNC support is disabled");
2143 exit(1);
2144 #endif
2145 } else if (strstart(p, "curses", &opts)) {
2146 #ifdef CONFIG_CURSES
2147 display = DT_CURSES;
2148 #else
2149 error_report("Curses support is disabled");
2150 exit(1);
2151 #endif
2152 } else if (strstart(p, "gtk", &opts)) {
2153 #ifdef CONFIG_GTK
2154 display = DT_GTK;
2155 while (*opts) {
2156 const char *nextopt;
2157
2158 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2159 opts = nextopt;
2160 if (strstart(opts, "on", &nextopt)) {
2161 grab_on_hover = true;
2162 } else if (strstart(opts, "off", &nextopt)) {
2163 grab_on_hover = false;
2164 } else {
2165 goto invalid_gtk_args;
2166 }
2167 } else if (strstart(opts, ",gl=", &nextopt)) {
2168 opts = nextopt;
2169 if (strstart(opts, "on", &nextopt)) {
2170 request_opengl = 1;
2171 } else if (strstart(opts, "off", &nextopt)) {
2172 request_opengl = 0;
2173 } else {
2174 goto invalid_gtk_args;
2175 }
2176 } else {
2177 invalid_gtk_args:
2178 error_report("Invalid GTK option string");
2179 exit(1);
2180 }
2181 opts = nextopt;
2182 }
2183 #else
2184 error_report("GTK support is disabled");
2185 exit(1);
2186 #endif
2187 } else if (strstart(p, "none", &opts)) {
2188 display = DT_NONE;
2189 } else {
2190 error_report("Unknown display type");
2191 exit(1);
2192 }
2193
2194 return display;
2195 }
2196
2197 static int balloon_parse(const char *arg)
2198 {
2199 QemuOpts *opts;
2200
2201 if (strcmp(arg, "none") == 0) {
2202 return 0;
2203 }
2204
2205 if (!strncmp(arg, "virtio", 6)) {
2206 if (arg[6] == ',') {
2207 /* have params -> parse them */
2208 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2209 false);
2210 if (!opts)
2211 return -1;
2212 } else {
2213 /* create empty opts */
2214 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2215 &error_abort);
2216 }
2217 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2218 return 0;
2219 }
2220
2221 return -1;
2222 }
2223
2224 char *qemu_find_file(int type, const char *name)
2225 {
2226 int i;
2227 const char *subdir;
2228 char *buf;
2229
2230 /* Try the name as a straight path first */
2231 if (access(name, R_OK) == 0) {
2232 trace_load_file(name, name);
2233 return g_strdup(name);
2234 }
2235
2236 switch (type) {
2237 case QEMU_FILE_TYPE_BIOS:
2238 subdir = "";
2239 break;
2240 case QEMU_FILE_TYPE_KEYMAP:
2241 subdir = "keymaps/";
2242 break;
2243 default:
2244 abort();
2245 }
2246
2247 for (i = 0; i < data_dir_idx; i++) {
2248 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2249 if (access(buf, R_OK) == 0) {
2250 trace_load_file(name, buf);
2251 return buf;
2252 }
2253 g_free(buf);
2254 }
2255 return NULL;
2256 }
2257
2258 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2259 {
2260 gchar *buf;
2261 size_t size;
2262 const char *name, *file;
2263
2264 if (opaque == NULL) {
2265 error_report("fw_cfg device not available");
2266 return -1;
2267 }
2268 name = qemu_opt_get(opts, "name");
2269 file = qemu_opt_get(opts, "file");
2270 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2271 error_report("invalid argument value");
2272 return -1;
2273 }
2274 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2275 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2276 return -1;
2277 }
2278 if (strncmp(name, "opt/", 4) != 0) {
2279 error_report("WARNING: externally provided fw_cfg item names "
2280 "should be prefixed with \"opt/\"!");
2281 }
2282 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2283 error_report("can't load %s", file);
2284 return -1;
2285 }
2286 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2287 return 0;
2288 }
2289
2290 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 return qdev_device_help(opts);
2293 }
2294
2295 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 Error *err = NULL;
2298 DeviceState *dev;
2299
2300 dev = qdev_device_add(opts, &err);
2301 if (!dev) {
2302 error_report_err(err);
2303 return -1;
2304 }
2305 object_unref(OBJECT(dev));
2306 return 0;
2307 }
2308
2309 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2310 {
2311 Error *local_err = NULL;
2312
2313 qemu_chr_new_from_opts(opts, NULL, &local_err);
2314 if (local_err) {
2315 error_report_err(local_err);
2316 return -1;
2317 }
2318 return 0;
2319 }
2320
2321 #ifdef CONFIG_VIRTFS
2322 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2323 {
2324 int ret;
2325 ret = qemu_fsdev_add(opts);
2326
2327 return ret;
2328 }
2329 #endif
2330
2331 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2332 {
2333 CharDriverState *chr;
2334 const char *chardev;
2335 const char *mode;
2336 int flags;
2337
2338 mode = qemu_opt_get(opts, "mode");
2339 if (mode == NULL) {
2340 mode = "readline";
2341 }
2342 if (strcmp(mode, "readline") == 0) {
2343 flags = MONITOR_USE_READLINE;
2344 } else if (strcmp(mode, "control") == 0) {
2345 flags = MONITOR_USE_CONTROL;
2346 } else {
2347 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2348 exit(1);
2349 }
2350
2351 if (qemu_opt_get_bool(opts, "pretty", 0))
2352 flags |= MONITOR_USE_PRETTY;
2353
2354 if (qemu_opt_get_bool(opts, "default", 0))
2355 flags |= MONITOR_IS_DEFAULT;
2356
2357 chardev = qemu_opt_get(opts, "chardev");
2358 chr = qemu_chr_find(chardev);
2359 if (chr == NULL) {
2360 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2361 exit(1);
2362 }
2363
2364 qemu_chr_fe_claim_no_fail(chr);
2365 monitor_init(chr, flags);
2366 return 0;
2367 }
2368
2369 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2370 {
2371 static int monitor_device_index = 0;
2372 Error *local_err = NULL;
2373 QemuOpts *opts;
2374 const char *p;
2375 char label[32];
2376 int def = 0;
2377
2378 if (strstart(optarg, "chardev:", &p)) {
2379 snprintf(label, sizeof(label), "%s", p);
2380 } else {
2381 snprintf(label, sizeof(label), "compat_monitor%d",
2382 monitor_device_index);
2383 if (monitor_device_index == 0) {
2384 def = 1;
2385 }
2386 opts = qemu_chr_parse_compat(label, optarg);
2387 if (!opts) {
2388 fprintf(stderr, "parse error: %s\n", optarg);
2389 exit(1);
2390 }
2391 }
2392
2393 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2394 if (!opts) {
2395 error_report_err(local_err);
2396 exit(1);
2397 }
2398 qemu_opt_set(opts, "mode", mode, &error_abort);
2399 qemu_opt_set(opts, "chardev", label, &error_abort);
2400 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2401 if (def)
2402 qemu_opt_set(opts, "default", "on", &error_abort);
2403 monitor_device_index++;
2404 }
2405
2406 struct device_config {
2407 enum {
2408 DEV_USB, /* -usbdevice */
2409 DEV_BT, /* -bt */
2410 DEV_SERIAL, /* -serial */
2411 DEV_PARALLEL, /* -parallel */
2412 DEV_VIRTCON, /* -virtioconsole */
2413 DEV_DEBUGCON, /* -debugcon */
2414 DEV_GDB, /* -gdb, -s */
2415 DEV_SCLP, /* s390 sclp */
2416 } type;
2417 const char *cmdline;
2418 Location loc;
2419 QTAILQ_ENTRY(device_config) next;
2420 };
2421
2422 static QTAILQ_HEAD(, device_config) device_configs =
2423 QTAILQ_HEAD_INITIALIZER(device_configs);
2424
2425 static void add_device_config(int type, const char *cmdline)
2426 {
2427 struct device_config *conf;
2428
2429 conf = g_malloc0(sizeof(*conf));
2430 conf->type = type;
2431 conf->cmdline = cmdline;
2432 loc_save(&conf->loc);
2433 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2434 }
2435
2436 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2437 {
2438 struct device_config *conf;
2439 int rc;
2440
2441 QTAILQ_FOREACH(conf, &device_configs, next) {
2442 if (conf->type != type)
2443 continue;
2444 loc_push_restore(&conf->loc);
2445 rc = func(conf->cmdline);
2446 loc_pop(&conf->loc);
2447 if (rc) {
2448 return rc;
2449 }
2450 }
2451 return 0;
2452 }
2453
2454 static int serial_parse(const char *devname)
2455 {
2456 static int index = 0;
2457 char label[32];
2458
2459 if (strcmp(devname, "none") == 0)
2460 return 0;
2461 if (index == MAX_SERIAL_PORTS) {
2462 fprintf(stderr, "qemu: too many serial ports\n");
2463 exit(1);
2464 }
2465 snprintf(label, sizeof(label), "serial%d", index);
2466 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2467 if (!serial_hds[index]) {
2468 fprintf(stderr, "qemu: could not connect serial device"
2469 " to character backend '%s'\n", devname);
2470 return -1;
2471 }
2472 index++;
2473 return 0;
2474 }
2475
2476 static int parallel_parse(const char *devname)
2477 {
2478 static int index = 0;
2479 char label[32];
2480
2481 if (strcmp(devname, "none") == 0)
2482 return 0;
2483 if (index == MAX_PARALLEL_PORTS) {
2484 fprintf(stderr, "qemu: too many parallel ports\n");
2485 exit(1);
2486 }
2487 snprintf(label, sizeof(label), "parallel%d", index);
2488 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2489 if (!parallel_hds[index]) {
2490 fprintf(stderr, "qemu: could not connect parallel device"
2491 " to character backend '%s'\n", devname);
2492 return -1;
2493 }
2494 index++;
2495 return 0;
2496 }
2497
2498 static int virtcon_parse(const char *devname)
2499 {
2500 QemuOptsList *device = qemu_find_opts("device");
2501 static int index = 0;
2502 char label[32];
2503 QemuOpts *bus_opts, *dev_opts;
2504
2505 if (strcmp(devname, "none") == 0)
2506 return 0;
2507 if (index == MAX_VIRTIO_CONSOLES) {
2508 fprintf(stderr, "qemu: too many virtio consoles\n");
2509 exit(1);
2510 }
2511
2512 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2513 if (arch_type == QEMU_ARCH_S390X) {
2514 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2515 } else {
2516 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2517 }
2518
2519 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2520 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2521
2522 snprintf(label, sizeof(label), "virtcon%d", index);
2523 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2524 if (!virtcon_hds[index]) {
2525 fprintf(stderr, "qemu: could not connect virtio console"
2526 " to character backend '%s'\n", devname);
2527 return -1;
2528 }
2529 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2530
2531 index++;
2532 return 0;
2533 }
2534
2535 static int sclp_parse(const char *devname)
2536 {
2537 QemuOptsList *device = qemu_find_opts("device");
2538 static int index = 0;
2539 char label[32];
2540 QemuOpts *dev_opts;
2541
2542 if (strcmp(devname, "none") == 0) {
2543 return 0;
2544 }
2545 if (index == MAX_SCLP_CONSOLES) {
2546 fprintf(stderr, "qemu: too many sclp consoles\n");
2547 exit(1);
2548 }
2549
2550 assert(arch_type == QEMU_ARCH_S390X);
2551
2552 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2553 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2554
2555 snprintf(label, sizeof(label), "sclpcon%d", index);
2556 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2557 if (!sclp_hds[index]) {
2558 fprintf(stderr, "qemu: could not connect sclp console"
2559 " to character backend '%s'\n", devname);
2560 return -1;
2561 }
2562 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2563
2564 index++;
2565 return 0;
2566 }
2567
2568 static int debugcon_parse(const char *devname)
2569 {
2570 QemuOpts *opts;
2571
2572 if (!qemu_chr_new("debugcon", devname, NULL)) {
2573 exit(1);
2574 }
2575 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2576 if (!opts) {
2577 fprintf(stderr, "qemu: already have a debugcon device\n");
2578 exit(1);
2579 }
2580 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2581 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2582 return 0;
2583 }
2584
2585 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2586 {
2587 const MachineClass *mc1 = a, *mc2 = b;
2588 int res;
2589
2590 if (mc1->family == NULL) {
2591 if (mc2->family == NULL) {
2592 /* Compare standalone machine types against each other; they sort
2593 * in increasing order.
2594 */
2595 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2596 object_class_get_name(OBJECT_CLASS(mc2)));
2597 }
2598
2599 /* Standalone machine types sort after families. */
2600 return 1;
2601 }
2602
2603 if (mc2->family == NULL) {
2604 /* Families sort before standalone machine types. */
2605 return -1;
2606 }
2607
2608 /* Families sort between each other alphabetically increasingly. */
2609 res = strcmp(mc1->family, mc2->family);
2610 if (res != 0) {
2611 return res;
2612 }
2613
2614 /* Within the same family, machine types sort in decreasing order. */
2615 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2616 object_class_get_name(OBJECT_CLASS(mc1)));
2617 }
2618
2619 static MachineClass *machine_parse(const char *name)
2620 {
2621 MachineClass *mc = NULL;
2622 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2623
2624 if (name) {
2625 mc = find_machine(name);
2626 }
2627 if (mc) {
2628 g_slist_free(machines);
2629 return mc;
2630 }
2631 if (name && !is_help_option(name)) {
2632 error_report("Unsupported machine type");
2633 error_printf("Use -machine help to list supported machines!\n");
2634 } else {
2635 printf("Supported machines are:\n");
2636 machines = g_slist_sort(machines, machine_class_cmp);
2637 for (el = machines; el; el = el->next) {
2638 MachineClass *mc = el->data;
2639 if (mc->alias) {
2640 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2641 }
2642 printf("%-20s %s%s\n", mc->name, mc->desc,
2643 mc->is_default ? " (default)" : "");
2644 }
2645 }
2646
2647 g_slist_free(machines);
2648 exit(!name || !is_help_option(name));
2649 }
2650
2651 void qemu_add_exit_notifier(Notifier *notify)
2652 {
2653 notifier_list_add(&exit_notifiers, notify);
2654 }
2655
2656 void qemu_remove_exit_notifier(Notifier *notify)
2657 {
2658 notifier_remove(notify);
2659 }
2660
2661 static void qemu_run_exit_notifiers(void)
2662 {
2663 notifier_list_notify(&exit_notifiers, NULL);
2664 }
2665
2666 static bool machine_init_done;
2667
2668 void qemu_add_machine_init_done_notifier(Notifier *notify)
2669 {
2670 notifier_list_add(&machine_init_done_notifiers, notify);
2671 if (machine_init_done) {
2672 notify->notify(notify, NULL);
2673 }
2674 }
2675
2676 static void qemu_run_machine_init_done_notifiers(void)
2677 {
2678 notifier_list_notify(&machine_init_done_notifiers, NULL);
2679 machine_init_done = true;
2680 }
2681
2682 static const QEMUOption *lookup_opt(int argc, char **argv,
2683 const char **poptarg, int *poptind)
2684 {
2685 const QEMUOption *popt;
2686 int optind = *poptind;
2687 char *r = argv[optind];
2688 const char *optarg;
2689
2690 loc_set_cmdline(argv, optind, 1);
2691 optind++;
2692 /* Treat --foo the same as -foo. */
2693 if (r[1] == '-')
2694 r++;
2695 popt = qemu_options;
2696 for(;;) {
2697 if (!popt->name) {
2698 error_report("invalid option");
2699 exit(1);
2700 }
2701 if (!strcmp(popt->name, r + 1))
2702 break;
2703 popt++;
2704 }
2705 if (popt->flags & HAS_ARG) {
2706 if (optind >= argc) {
2707 error_report("requires an argument");
2708 exit(1);
2709 }
2710 optarg = argv[optind++];
2711 loc_set_cmdline(argv, optind - 2, 2);
2712 } else {
2713 optarg = NULL;
2714 }
2715
2716 *poptarg = optarg;
2717 *poptind = optind;
2718
2719 return popt;
2720 }
2721
2722 static gpointer malloc_and_trace(gsize n_bytes)
2723 {
2724 void *ptr = malloc(n_bytes);
2725 trace_g_malloc(n_bytes, ptr);
2726 return ptr;
2727 }
2728
2729 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2730 {
2731 void *ptr = realloc(mem, n_bytes);
2732 trace_g_realloc(mem, n_bytes, ptr);
2733 return ptr;
2734 }
2735
2736 static void free_and_trace(gpointer mem)
2737 {
2738 trace_g_free(mem);
2739 free(mem);
2740 }
2741
2742 static int machine_set_property(void *opaque,
2743 const char *name, const char *value,
2744 Error **errp)
2745 {
2746 Object *obj = OBJECT(opaque);
2747 Error *local_err = NULL;
2748 char *c, *qom_name;
2749
2750 if (strcmp(name, "type") == 0) {
2751 return 0;
2752 }
2753
2754 qom_name = g_strdup(name);
2755 c = qom_name;
2756 while (*c++) {
2757 if (*c == '_') {
2758 *c = '-';
2759 }
2760 }
2761
2762 object_property_parse(obj, value, qom_name, &local_err);
2763 g_free(qom_name);
2764
2765 if (local_err) {
2766 error_report_err(local_err);
2767 return -1;
2768 }
2769
2770 return 0;
2771 }
2772
2773
2774 /*
2775 * Initial object creation happens before all other
2776 * QEMU data types are created. The majority of objects
2777 * can be created at this point. The rng-egd object
2778 * cannot be created here, as it depends on the chardev
2779 * already existing.
2780 */
2781 static bool object_create_initial(const char *type)
2782 {
2783 if (g_str_equal(type, "rng-egd")) {
2784 return false;
2785 }
2786 return true;
2787 }
2788
2789
2790 /*
2791 * The remainder of object creation happens after the
2792 * creation of chardev, fsdev and device data types.
2793 */
2794 static bool object_create_delayed(const char *type)
2795 {
2796 return !object_create_initial(type);
2797 }
2798
2799
2800 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2801 {
2802 Error *err = NULL;
2803 char *type = NULL;
2804 char *id = NULL;
2805 void *dummy = NULL;
2806 OptsVisitor *ov;
2807 QDict *pdict;
2808 bool (*type_predicate)(const char *) = opaque;
2809
2810 ov = opts_visitor_new(opts);
2811 pdict = qemu_opts_to_qdict(opts, NULL);
2812
2813 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2814 if (err) {
2815 goto out;
2816 }
2817
2818 qdict_del(pdict, "qom-type");
2819 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2820 if (err) {
2821 goto out;
2822 }
2823 if (!type_predicate(type)) {
2824 goto out;
2825 }
2826
2827 qdict_del(pdict, "id");
2828 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2829 if (err) {
2830 goto out;
2831 }
2832
2833 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2834 if (err) {
2835 goto out;
2836 }
2837 visit_end_struct(opts_get_visitor(ov), &err);
2838 if (err) {
2839 qmp_object_del(id, NULL);
2840 }
2841
2842 out:
2843 opts_visitor_cleanup(ov);
2844
2845 QDECREF(pdict);
2846 g_free(id);
2847 g_free(type);
2848 g_free(dummy);
2849 if (err) {
2850 error_report_err(err);
2851 return -1;
2852 }
2853 return 0;
2854 }
2855
2856 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2857 MachineClass *mc)
2858 {
2859 uint64_t sz;
2860 const char *mem_str;
2861 const char *maxmem_str, *slots_str;
2862 const ram_addr_t default_ram_size = mc->default_ram_size;
2863 QemuOpts *opts = qemu_find_opts_singleton("memory");
2864
2865 sz = 0;
2866 mem_str = qemu_opt_get(opts, "size");
2867 if (mem_str) {
2868 if (!*mem_str) {
2869 error_report("missing 'size' option value");
2870 exit(EXIT_FAILURE);
2871 }
2872
2873 sz = qemu_opt_get_size(opts, "size", ram_size);
2874
2875 /* Fix up legacy suffix-less format */
2876 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2877 uint64_t overflow_check = sz;
2878
2879 sz <<= 20;
2880 if ((sz >> 20) != overflow_check) {
2881 error_report("too large 'size' option value");
2882 exit(EXIT_FAILURE);
2883 }
2884 }
2885 }
2886
2887 /* backward compatibility behaviour for case "-m 0" */
2888 if (sz == 0) {
2889 sz = default_ram_size;
2890 }
2891
2892 sz = QEMU_ALIGN_UP(sz, 8192);
2893 ram_size = sz;
2894 if (ram_size != sz) {
2895 error_report("ram size too large");
2896 exit(EXIT_FAILURE);
2897 }
2898
2899 /* store value for the future use */
2900 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2901 *maxram_size = ram_size;
2902
2903 maxmem_str = qemu_opt_get(opts, "maxmem");
2904 slots_str = qemu_opt_get(opts, "slots");
2905 if (maxmem_str && slots_str) {
2906 uint64_t slots;
2907
2908 sz = qemu_opt_get_size(opts, "maxmem", 0);
2909 slots = qemu_opt_get_number(opts, "slots", 0);
2910 if (sz < ram_size) {
2911 error_report("invalid value of -m option maxmem: "
2912 "maximum memory size (0x%" PRIx64 ") must be at least "
2913 "the initial memory size (0x" RAM_ADDR_FMT ")",
2914 sz, ram_size);
2915 exit(EXIT_FAILURE);
2916 } else if (sz > ram_size) {
2917 if (!slots) {
2918 error_report("invalid value of -m option: maxmem was "
2919 "specified, but no hotplug slots were specified");
2920 exit(EXIT_FAILURE);
2921 }
2922 } else if (slots) {
2923 error_report("invalid value of -m option maxmem: "
2924 "memory slots were specified but maximum memory size "
2925 "(0x%" PRIx64 ") is equal to the initial memory size "
2926 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2927 exit(EXIT_FAILURE);
2928 }
2929
2930 *maxram_size = sz;
2931 *ram_slots = slots;
2932 } else if ((!maxmem_str && slots_str) ||
2933 (maxmem_str && !slots_str)) {
2934 error_report("invalid -m option value: missing "
2935 "'%s' option", slots_str ? "maxmem" : "slots");
2936 exit(EXIT_FAILURE);
2937 }
2938 }
2939
2940 int main(int argc, char **argv, char **envp)
2941 {
2942 int i;
2943 int snapshot, linux_boot;
2944 const char *initrd_filename;
2945 const char *kernel_filename, *kernel_cmdline;
2946 const char *boot_order = NULL;
2947 const char *boot_once = NULL;
2948 DisplayState *ds;
2949 int cyls, heads, secs, translation;
2950 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2951 QemuOptsList *olist;
2952 int optind;
2953 const char *optarg;
2954 const char *loadvm = NULL;
2955 MachineClass *machine_class;
2956 const char *cpu_model;
2957 const char *vga_model = NULL;
2958 const char *qtest_chrdev = NULL;
2959 const char *qtest_log = NULL;
2960 const char *pid_file = NULL;
2961 const char *incoming = NULL;
2962 #ifdef CONFIG_VNC
2963 int show_vnc_port = 0;
2964 #endif
2965 bool defconfig = true;
2966 bool userconfig = true;
2967 const char *log_mask = NULL;
2968 const char *log_file = NULL;
2969 GMemVTable mem_trace = {
2970 .malloc = malloc_and_trace,
2971 .realloc = realloc_and_trace,
2972 .free = free_and_trace,
2973 };
2974 const char *trace_events = NULL;
2975 const char *trace_file = NULL;
2976 ram_addr_t maxram_size;
2977 uint64_t ram_slots = 0;
2978 FILE *vmstate_dump_file = NULL;
2979 Error *main_loop_err = NULL;
2980 Error *err = NULL;
2981
2982 qemu_init_cpu_loop();
2983 qemu_mutex_lock_iothread();
2984
2985 atexit(qemu_run_exit_notifiers);
2986 error_set_progname(argv[0]);
2987 qemu_init_exec_dir(argv[0]);
2988
2989 g_mem_set_vtable(&mem_trace);
2990
2991 module_call_init(MODULE_INIT_QOM);
2992
2993 qemu_add_opts(&qemu_drive_opts);
2994 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2995 qemu_add_drive_opts(&qemu_common_drive_opts);
2996 qemu_add_drive_opts(&qemu_drive_opts);
2997 qemu_add_opts(&qemu_chardev_opts);
2998 qemu_add_opts(&qemu_device_opts);
2999 qemu_add_opts(&qemu_netdev_opts);
3000 qemu_add_opts(&qemu_net_opts);
3001 qemu_add_opts(&qemu_rtc_opts);
3002 qemu_add_opts(&qemu_global_opts);
3003 qemu_add_opts(&qemu_mon_opts);
3004 qemu_add_opts(&qemu_trace_opts);
3005 qemu_add_opts(&qemu_option_rom_opts);
3006 qemu_add_opts(&qemu_machine_opts);
3007 qemu_add_opts(&qemu_mem_opts);
3008 qemu_add_opts(&qemu_smp_opts);
3009 qemu_add_opts(&qemu_boot_opts);
3010 qemu_add_opts(&qemu_sandbox_opts);
3011 qemu_add_opts(&qemu_add_fd_opts);
3012 qemu_add_opts(&qemu_object_opts);
3013 qemu_add_opts(&qemu_tpmdev_opts);
3014 qemu_add_opts(&qemu_realtime_opts);
3015 qemu_add_opts(&qemu_msg_opts);
3016 qemu_add_opts(&qemu_name_opts);
3017 qemu_add_opts(&qemu_numa_opts);
3018 qemu_add_opts(&qemu_icount_opts);
3019 qemu_add_opts(&qemu_semihosting_config_opts);
3020 qemu_add_opts(&qemu_fw_cfg_opts);
3021
3022 runstate_init();
3023
3024 if (qcrypto_init(&err) < 0) {
3025 fprintf(stderr, "Cannot initialize crypto: %s\n",
3026 error_get_pretty(err));
3027 exit(1);
3028 }
3029 rtc_clock = QEMU_CLOCK_HOST;
3030
3031 QLIST_INIT (&vm_change_state_head);
3032 os_setup_early_signal_handling();
3033
3034 module_call_init(MODULE_INIT_MACHINE);
3035 machine_class = find_default_machine();
3036 cpu_model = NULL;
3037 snapshot = 0;
3038 cyls = heads = secs = 0;
3039 translation = BIOS_ATA_TRANSLATION_AUTO;
3040
3041 nb_nics = 0;
3042
3043 bdrv_init_with_whitelist();
3044
3045 autostart = 1;
3046
3047 /* first pass of option parsing */
3048 optind = 1;
3049 while (optind < argc) {
3050 if (argv[optind][0] != '-') {
3051 /* disk image */
3052 optind++;
3053 } else {
3054 const QEMUOption *popt;
3055
3056 popt = lookup_opt(argc, argv, &optarg, &optind);
3057 switch (popt->index) {
3058 case QEMU_OPTION_nodefconfig:
3059 defconfig = false;
3060 break;
3061 case QEMU_OPTION_nouserconfig:
3062 userconfig = false;
3063 break;
3064 }
3065 }
3066 }
3067
3068 if (defconfig) {
3069 int ret;
3070 ret = qemu_read_default_config_files(userconfig);
3071 if (ret < 0) {
3072 exit(1);
3073 }
3074 }
3075
3076 /* second pass of option parsing */
3077 optind = 1;
3078 for(;;) {
3079 if (optind >= argc)
3080 break;
3081 if (argv[optind][0] != '-') {
3082 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3083 } else {
3084 const QEMUOption *popt;
3085
3086 popt = lookup_opt(argc, argv, &optarg, &optind);
3087 if (!(popt->arch_mask & arch_type)) {
3088 printf("Option %s not supported for this target\n", popt->name);
3089 exit(1);
3090 }
3091 switch(popt->index) {
3092 case QEMU_OPTION_no_kvm_irqchip: {
3093 olist = qemu_find_opts("machine");
3094 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3095 break;
3096 }
3097 case QEMU_OPTION_cpu:
3098 /* hw initialization will check this */
3099 cpu_model = optarg;
3100 break;
3101 case QEMU_OPTION_hda:
3102 {
3103 char buf[256];
3104 if (cyls == 0)
3105 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3106 else
3107 snprintf(buf, sizeof(buf),
3108 "%s,cyls=%d,heads=%d,secs=%d%s",
3109 HD_OPTS , cyls, heads, secs,
3110 translation == BIOS_ATA_TRANSLATION_LBA ?
3111 ",trans=lba" :
3112 translation == BIOS_ATA_TRANSLATION_NONE ?
3113 ",trans=none" : "");
3114 drive_add(IF_DEFAULT, 0, optarg, buf);
3115 break;
3116 }
3117 case QEMU_OPTION_hdb:
3118 case QEMU_OPTION_hdc:
3119 case QEMU_OPTION_hdd:
3120 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3121 HD_OPTS);
3122 break;
3123 case QEMU_OPTION_drive:
3124 if (drive_def(optarg) == NULL) {
3125 exit(1);
3126 }
3127 break;
3128 case QEMU_OPTION_set:
3129 if (qemu_set_option(optarg) != 0)
3130 exit(1);
3131 break;
3132 case QEMU_OPTION_global:
3133 if (qemu_global_option(optarg) != 0)
3134 exit(1);
3135 break;
3136 case QEMU_OPTION_mtdblock:
3137 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3138 break;
3139 case QEMU_OPTION_sd:
3140 drive_add(IF_SD, -1, optarg, SD_OPTS);
3141 break;
3142 case QEMU_OPTION_pflash:
3143 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3144 break;
3145 case QEMU_OPTION_snapshot:
3146 snapshot = 1;
3147 break;
3148 case QEMU_OPTION_hdachs:
3149 {
3150 const char *p;
3151 p = optarg;
3152 cyls = strtol(p, (char **)&p, 0);
3153 if (cyls < 1 || cyls > 16383)
3154 goto chs_fail;
3155 if (*p != ',')
3156 goto chs_fail;
3157 p++;
3158 heads = strtol(p, (char **)&p, 0);
3159 if (heads < 1 || heads > 16)
3160 goto chs_fail;
3161 if (*p != ',')
3162 goto chs_fail;
3163 p++;
3164 secs = strtol(p, (char **)&p, 0);
3165 if (secs < 1 || secs > 63)
3166 goto chs_fail;
3167 if (*p == ',') {
3168 p++;
3169 if (!strcmp(p, "large")) {
3170 translation = BIOS_ATA_TRANSLATION_LARGE;
3171 } else if (!strcmp(p, "rechs")) {
3172 translation = BIOS_ATA_TRANSLATION_RECHS;
3173 } else if (!strcmp(p, "none")) {
3174 translation = BIOS_ATA_TRANSLATION_NONE;
3175 } else if (!strcmp(p, "lba")) {
3176 translation = BIOS_ATA_TRANSLATION_LBA;
3177 } else if (!strcmp(p, "auto")) {
3178 translation = BIOS_ATA_TRANSLATION_AUTO;
3179 } else {
3180 goto chs_fail;
3181 }
3182 } else if (*p != '\0') {
3183 chs_fail:
3184 fprintf(stderr, "qemu: invalid physical CHS format\n");
3185 exit(1);
3186 }
3187 if (hda_opts != NULL) {
3188 qemu_opt_set_number(hda_opts, "cyls", cyls,
3189 &error_abort);
3190 qemu_opt_set_number(hda_opts, "heads", heads,
3191 &error_abort);
3192 qemu_opt_set_number(hda_opts, "secs", secs,
3193 &error_abort);
3194 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3195 qemu_opt_set(hda_opts, "trans", "large",
3196 &error_abort);
3197 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3198 qemu_opt_set(hda_opts, "trans", "rechs",
3199 &error_abort);
3200 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3201 qemu_opt_set(hda_opts, "trans", "lba",
3202 &error_abort);
3203 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3204 qemu_opt_set(hda_opts, "trans", "none",
3205 &error_abort);
3206 }
3207 }
3208 }
3209 break;
3210 case QEMU_OPTION_numa:
3211 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3212 optarg, true);
3213 if (!opts) {
3214 exit(1);
3215 }
3216 break;
3217 case QEMU_OPTION_display:
3218 display_type = select_display(optarg);
3219 break;
3220 case QEMU_OPTION_nographic:
3221 display_type = DT_NOGRAPHIC;
3222 break;
3223 case QEMU_OPTION_curses:
3224 #ifdef CONFIG_CURSES
3225 display_type = DT_CURSES;
3226 #else
3227 fprintf(stderr, "Curses support is disabled\n");
3228 exit(1);
3229 #endif
3230 break;
3231 case QEMU_OPTION_portrait:
3232 graphic_rotate = 90;
3233 break;
3234 case QEMU_OPTION_rotate:
3235 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3236 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3237 graphic_rotate != 180 && graphic_rotate != 270) {
3238 fprintf(stderr,
3239 "qemu: only 90, 180, 270 deg rotation is available\n");
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_kernel:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_initrd:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3249 &error_abort);
3250 break;
3251 case QEMU_OPTION_append:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3253 &error_abort);
3254 break;
3255 case QEMU_OPTION_dtb:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3257 &error_abort);
3258 break;
3259 case QEMU_OPTION_cdrom:
3260 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3261 break;
3262 case QEMU_OPTION_boot:
3263 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3264 optarg, true);
3265 if (!opts) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_fda:
3270 case QEMU_OPTION_fdb:
3271 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3272 optarg, FD_OPTS);
3273 break;
3274 case QEMU_OPTION_no_fd_bootchk:
3275 fd_bootchk = 0;
3276 break;
3277 case QEMU_OPTION_netdev:
3278 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_net:
3283 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3284 exit(1);
3285 }
3286 break;
3287 #ifdef CONFIG_LIBISCSI
3288 case QEMU_OPTION_iscsi:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3290 optarg, false);
3291 if (!opts) {
3292 exit(1);
3293 }
3294 break;
3295 #endif
3296 #ifdef CONFIG_SLIRP
3297 case QEMU_OPTION_tftp:
3298 legacy_tftp_prefix = optarg;
3299 break;
3300 case QEMU_OPTION_bootp:
3301 legacy_bootp_filename = optarg;
3302 break;
3303 case QEMU_OPTION_redir:
3304 if (net_slirp_redir(optarg) < 0)
3305 exit(1);
3306 break;
3307 #endif
3308 case QEMU_OPTION_bt:
3309 add_device_config(DEV_BT, optarg);
3310 break;
3311 case QEMU_OPTION_audio_help:
3312 AUD_help ();
3313 exit (0);
3314 break;
3315 case QEMU_OPTION_soundhw:
3316 select_soundhw (optarg);
3317 break;
3318 case QEMU_OPTION_h:
3319 help(0);
3320 break;
3321 case QEMU_OPTION_version:
3322 version();
3323 exit(0);
3324 break;
3325 case QEMU_OPTION_m:
3326 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3327 optarg, true);
3328 if (!opts) {
3329 exit(EXIT_FAILURE);
3330 }
3331 break;
3332 #ifdef CONFIG_TPM
3333 case QEMU_OPTION_tpmdev:
3334 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3335 exit(1);
3336 }
3337 break;
3338 #endif
3339 case QEMU_OPTION_mempath:
3340 mem_path = optarg;
3341 break;
3342 case QEMU_OPTION_mem_prealloc:
3343 mem_prealloc = 1;
3344 break;
3345 case QEMU_OPTION_d:
3346 log_mask = optarg;
3347 break;
3348 case QEMU_OPTION_D:
3349 log_file = optarg;
3350 break;
3351 case QEMU_OPTION_s:
3352 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3353 break;
3354 case QEMU_OPTION_gdb:
3355 add_device_config(DEV_GDB, optarg);
3356 break;
3357 case QEMU_OPTION_L:
3358 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3359 data_dir[data_dir_idx++] = optarg;
3360 }
3361 break;
3362 case QEMU_OPTION_bios:
3363 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3364 &error_abort);
3365 break;
3366 case QEMU_OPTION_singlestep:
3367 singlestep = 1;
3368 break;
3369 case QEMU_OPTION_S:
3370 autostart = 0;
3371 break;
3372 case QEMU_OPTION_k:
3373 keyboard_layout = optarg;
3374 break;
3375 case QEMU_OPTION_localtime:
3376 rtc_utc = 0;
3377 break;
3378 case QEMU_OPTION_vga:
3379 vga_model = optarg;
3380 default_vga = 0;
3381 break;
3382 case QEMU_OPTION_g:
3383 {
3384 const char *p;
3385 int w, h, depth;
3386 p = optarg;
3387 w = strtol(p, (char **)&p, 10);
3388 if (w <= 0) {
3389 graphic_error:
3390 fprintf(stderr, "qemu: invalid resolution or depth\n");
3391 exit(1);
3392 }
3393 if (*p != 'x')
3394 goto graphic_error;
3395 p++;
3396 h = strtol(p, (char **)&p, 10);
3397 if (h <= 0)
3398 goto graphic_error;
3399 if (*p == 'x') {
3400 p++;
3401 depth = strtol(p, (char **)&p, 10);
3402 if (depth != 8 && depth != 15 && depth != 16 &&
3403 depth != 24 && depth != 32)
3404 goto graphic_error;
3405 } else if (*p == '\0') {
3406 depth = graphic_depth;
3407 } else {
3408 goto graphic_error;
3409 }
3410
3411 graphic_width = w;
3412 graphic_height = h;
3413 graphic_depth = depth;
3414 }
3415 break;
3416 case QEMU_OPTION_echr:
3417 {
3418 char *r;
3419 term_escape_char = strtol(optarg, &r, 0);
3420 if (r == optarg)
3421 printf("Bad argument to echr\n");
3422 break;
3423 }
3424 case QEMU_OPTION_monitor:
3425 default_monitor = 0;
3426 if (strncmp(optarg, "none", 4)) {
3427 monitor_parse(optarg, "readline", false);
3428 }
3429 break;
3430 case QEMU_OPTION_qmp:
3431 monitor_parse(optarg, "control", false);
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_qmp_pretty:
3435 monitor_parse(optarg, "control", true);
3436 default_monitor = 0;
3437 break;
3438 case QEMU_OPTION_mon:
3439 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3440 true);
3441 if (!opts) {
3442 exit(1);
3443 }
3444 default_monitor = 0;
3445 break;
3446 case QEMU_OPTION_chardev:
3447 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3448 optarg, true);
3449 if (!opts) {
3450 exit(1);
3451 }
3452 break;
3453 case QEMU_OPTION_fsdev:
3454 olist = qemu_find_opts("fsdev");
3455 if (!olist) {
3456 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3457 exit(1);
3458 }
3459 opts = qemu_opts_parse_noisily(olist, optarg, true);
3460 if (!opts) {
3461 exit(1);
3462 }
3463 break;
3464 case QEMU_OPTION_virtfs: {
3465 QemuOpts *fsdev;
3466 QemuOpts *device;
3467 const char *writeout, *sock_fd, *socket;
3468
3469 olist = qemu_find_opts("virtfs");
3470 if (!olist) {
3471 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3472 exit(1);
3473 }
3474 opts = qemu_opts_parse_noisily(olist, optarg, true);
3475 if (!opts) {
3476 exit(1);
3477 }
3478
3479 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3480 qemu_opt_get(opts, "mount_tag") == NULL) {
3481 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3482 exit(1);
3483 }
3484 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3485 qemu_opt_get(opts, "mount_tag"),
3486 1, NULL);
3487 if (!fsdev) {
3488 fprintf(stderr, "duplicate fsdev id: %s\n",
3489 qemu_opt_get(opts, "mount_tag"));
3490 exit(1);
3491 }
3492
3493 writeout = qemu_opt_get(opts, "writeout");
3494 if (writeout) {
3495 #ifdef CONFIG_SYNC_FILE_RANGE
3496 qemu_opt_set(fsdev, "writeout"