?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
tcg: Move tci_tb_ptr to -common
[qemu/ar7.git] / vl.c
blob3c6480dadf794e77aee2cb58ff165fcc69a38e9b
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 },
516 { /* end of list */ }
517 },
518 };
519
520 /**
521 * Get machine options
522 *
523 * Returns: machine options (never null).
524 */
525 QemuOpts *qemu_get_machine_opts(void)
526 {
527 return qemu_find_opts_singleton("machine");
528 }
529
530 const char *qemu_get_vm_name(void)
531 {
532 return qemu_name;
533 }
534
535 static void res_free(void)
536 {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_MAX, RUN_STATE_MAX },
633 };
634
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636
637 bool runstate_check(RunState state)
638 {
639 return current_run_state == state;
640 }
641
642 bool runstate_store(char *str, size_t size)
643 {
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
646
647 if (len > size) {
648 return false;
649 }
650 memcpy(str, state, len);
651 return true;
652 }
653
654 static void runstate_init(void)
655 {
656 const RunStateTransition *p;
657
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
661 }
662
663 qemu_mutex_init(&vmstop_lock);
664 }
665
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
668 {
669 assert(new_state < RUN_STATE_MAX);
670
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
675 abort();
676 }
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
679 }
680
681 int runstate_is_running(void)
682 {
683 return runstate_check(RUN_STATE_RUNNING);
684 }
685
686 bool runstate_needs_reset(void)
687 {
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
690 }
691
692 StatusInfo *qmp_query_status(Error **errp)
693 {
694 StatusInfo *info = g_malloc0(sizeof(*info));
695
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
699
700 return info;
701 }
702
703 static bool qemu_vmstop_requested(RunState *r)
704 {
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
710 }
711
712 void qemu_system_vmstop_request_prepare(void)
713 {
714 qemu_mutex_lock(&vmstop_lock);
715 }
716
717 void qemu_system_vmstop_request(RunState state)
718 {
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
721 qemu_notify_event();
722 }
723
724 void vm_start(void)
725 {
726 RunState requested;
727
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
730 return;
731 }
732
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
736 * the STOP event.
737 */
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
740 } else {
741 cpu_enable_ticks();
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
744 resume_all_vcpus();
745 }
746
747 qapi_event_send_resume(&error_abort);
748 }
749
750
751 /***********************************************************/
752 /* real time host monotonic timer */
753
754 static time_t qemu_time(void)
755 {
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
757 }
758
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
762 {
763 time_t ti = qemu_time();
764
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - qemu_time();
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = qemu_time() - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1012 "in the kernel");
1013 return -1;
1014 }
1015 #else
1016 error_report("sandboxing request but seccomp is not compiled "
1017 "into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool defaults_enabled(void)
1043 {
1044 return has_defaults;
1045 }
1046
1047 bool usb_enabled(void)
1048 {
1049 return machine_usb(current_machine);
1050 }
1051
1052 #ifndef _WIN32
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 int fd, dupfd, flags;
1056 int64_t fdset_id;
1057 const char *fd_opaque = NULL;
1058 AddfdInfo *fdinfo;
1059
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1063
1064 if (fd < 0) {
1065 error_report("fd option is required and must be non-negative");
1066 return -1;
1067 }
1068
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1071 return -1;
1072 }
1073
1074 /*
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1077 */
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1081 return -1;
1082 }
1083
1084 if (fdset_id < 0) {
1085 error_report("set option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1091 #else
1092 dupfd = dup(fd);
1093 if (dupfd != -1) {
1094 qemu_set_cloexec(dupfd);
1095 }
1096 #endif
1097 if (dupfd == -1) {
1098 error_report("Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1104 &error_abort);
1105 g_free(fdinfo);
1106
1107 return 0;
1108 }
1109
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1111 {
1112 int fd;
1113
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1115 close(fd);
1116
1117 return 0;
1118 }
1119 #endif
1120
1121 /***********************************************************/
1122 /* QEMU Block devices */
1123
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1126 #define FD_OPTS ""
1127 #define PFLASH_OPTS ""
1128 #define MTD_OPTS ""
1129 #define SD_OPTS ""
1130
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1132 {
1133 BlockInterfaceType *block_default_type = opaque;
1134
1135 return drive_new(opts, *block_default_type) == NULL;
1136 }
1137
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1142 }
1143 return 0;
1144 }
1145
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1148 {
1149 QemuOpts *opts;
1150 DriveInfo *dinfo;
1151
1152 if (!enable || drive_get_by_index(type, index)) {
1153 return;
1154 }
1155
1156 opts = drive_add(type, index, NULL, optstr);
1157 if (snapshot) {
1158 drive_enable_snapshot(NULL, opts, NULL);
1159 }
1160
1161 dinfo = drive_new(opts, type);
1162 if (!dinfo) {
1163 exit(1);
1164 }
1165 dinfo->is_default = true;
1166
1167 }
1168
1169 static QemuOptsList qemu_smp_opts = {
1170 .name = "smp-opts",
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1174 .desc = {
1175 {
1176 .name = "cpus",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "sockets",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "cores",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "threads",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "maxcpus",
1189 .type = QEMU_OPT_NUMBER,
1190 },
1191 { /*End of list */ }
1192 },
1193 };
1194
1195 static void smp_parse(QemuOpts *opts)
1196 {
1197 if (opts) {
1198
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1203
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1209 if (cpus == 0) {
1210 cpus = cores * threads * sockets;
1211 }
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1220 "smp_cpus (%u)\n",
1221 sockets, cores, threads, cpus);
1222 exit(1);
1223 }
1224
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1226
1227 smp_cpus = cpus;
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1230
1231 }
1232
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1235 }
1236
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1239 exit(1);
1240 }
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1243 exit(1);
1244 }
1245
1246 }
1247
1248 static void realtime_init(void)
1249 {
1250 if (enable_mlock) {
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1253 exit(1);
1254 }
1255 }
1256 }
1257
1258
1259 static void configure_msg(QemuOpts *opts)
1260 {
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1262 }
1263
1264 /***********************************************************/
1265 /* Semihosting */
1266
1267 typedef struct SemihostingConfig {
1268 bool enabled;
1269 SemihostingTarget target;
1270 const char **argv;
1271 int argc;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1274
1275 static SemihostingConfig semihosting;
1276
1277 bool semihosting_enabled(void)
1278 {
1279 return semihosting.enabled;
1280 }
1281
1282 SemihostingTarget semihosting_get_target(void)
1283 {
1284 return semihosting.target;
1285 }
1286
1287 const char *semihosting_get_arg(int i)
1288 {
1289 if (i >= semihosting.argc) {
1290 return NULL;
1291 }
1292 return semihosting.argv[i];
1293 }
1294
1295 int semihosting_get_argc(void)
1296 {
1297 return semihosting.argc;
1298 }
1299
1300 const char *semihosting_get_cmdline(void)
1301 {
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1304 }
1305 return semihosting.cmdline;
1306 }
1307
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1310 Error **errp)
1311 {
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1314 s->argc++;
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1319 }
1320 return 0;
1321 }
1322
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1325 {
1326 char *cmd_token;
1327
1328 /* argv[0] */
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1330
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1333 while (cmd_token) {
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1336 }
1337 }
1338
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1342 {
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1344 }
1345
1346 /***********************************************************/
1347 /* USB devices */
1348
1349 static int usb_device_add(const char *devname)
1350 {
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1353 const char *p;
1354 #endif
1355
1356 if (!usb_enabled()) {
1357 return -1;
1358 }
1359
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1362 if (dev)
1363 goto done;
1364
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1370 }
1371 #endif
1372 if (!dev)
1373 return -1;
1374
1375 done:
1376 return 0;
1377 }
1378
1379 static int usb_device_del(const char *devname)
1380 {
1381 int bus_num, addr;
1382 const char *p;
1383
1384 if (strstart(devname, "host:", &p)) {
1385 return -1;
1386 }
1387
1388 if (!usb_enabled()) {
1389 return -1;
1390 }
1391
1392 p = strchr(devname, '.');
1393 if (!p)
1394 return -1;
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1397
1398 return usb_device_delete_addr(bus_num, addr);
1399 }
1400
1401 static int usb_parse(const char *cmdline)
1402 {
1403 int r;
1404 r = usb_device_add(cmdline);
1405 if (r < 0) {
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1407 }
1408 return r;
1409 }
1410
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1412 {
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1416 }
1417 }
1418
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1420 {
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1424 }
1425 }
1426
1427 /***********************************************************/
1428 /* machine registration */
1429
1430 MachineState *current_machine;
1431
1432 /*
1433 * Transitional class registration/init used for converting from
1434 * legacy QEMUMachine to MachineClass.
1435 */
1436 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1437 {
1438 MachineClass *mc = MACHINE_CLASS(oc);
1439 QEMUMachine *qm = data;
1440 mc->name = qm->name;
1441 mc->desc = qm->desc;
1442 mc->init = qm->init;
1443 mc->kvm_type = qm->kvm_type;
1444 mc->block_default_type = qm->block_default_type;
1445 mc->max_cpus = qm->max_cpus;
1446 mc->no_sdcard = qm->no_sdcard;
1447 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1448 mc->is_default = qm->is_default;
1449 mc->default_machine_opts = qm->default_machine_opts;
1450 mc->default_boot_order = qm->default_boot_order;
1451 }
1452
1453 int qemu_register_machine(QEMUMachine *m)
1454 {
1455 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1456 TypeInfo ti = {
1457 .name = name,
1458 .parent = TYPE_MACHINE,
1459 .class_init = qemu_machine_class_init,
1460 .class_data = (void *)m,
1461 };
1462
1463 type_register(&ti);
1464 g_free(name);
1465
1466 return 0;
1467 }
1468
1469 static MachineClass *find_machine(const char *name)
1470 {
1471 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1472 MachineClass *mc = NULL;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *temp = el->data;
1476
1477 if (!strcmp(temp->name, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 if (temp->alias &&
1482 !strcmp(temp->alias, name)) {
1483 mc = temp;
1484 break;
1485 }
1486 }
1487
1488 g_slist_free(machines);
1489 return mc;
1490 }
1491
1492 MachineClass *find_default_machine(void)
1493 {
1494 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1495 MachineClass *mc = NULL;
1496
1497 for (el = machines; el; el = el->next) {
1498 MachineClass *temp = el->data;
1499
1500 if (temp->is_default) {
1501 mc = temp;
1502 break;
1503 }
1504 }
1505
1506 g_slist_free(machines);
1507 return mc;
1508 }
1509
1510 MachineInfoList *qmp_query_machines(Error **errp)
1511 {
1512 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1513 MachineInfoList *mach_list = NULL;
1514
1515 for (el = machines; el; el = el->next) {
1516 MachineClass *mc = el->data;
1517 MachineInfoList *entry;
1518 MachineInfo *info;
1519
1520 info = g_malloc0(sizeof(*info));
1521 if (mc->is_default) {
1522 info->has_is_default = true;
1523 info->is_default = true;
1524 }
1525
1526 if (mc->alias) {
1527 info->has_alias = true;
1528 info->alias = g_strdup(mc->alias);
1529 }
1530
1531 info->name = g_strdup(mc->name);
1532 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1533
1534 entry = g_malloc0(sizeof(*entry));
1535 entry->value = info;
1536 entry->next = mach_list;
1537 mach_list = entry;
1538 }
1539
1540 g_slist_free(machines);
1541 return mach_list;
1542 }
1543
1544 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1545 {
1546 ObjectProperty *prop;
1547
1548 if (!qemu_opt_has_help_opt(opts)) {
1549 return 0;
1550 }
1551
1552 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1553 if (!prop->set) {
1554 continue;
1555 }
1556
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1558 prop->name, prop->type);
1559 if (prop->description) {
1560 error_printf(" (%s)\n", prop->description);
1561 } else {
1562 error_printf("\n");
1563 }
1564 }
1565
1566 return 1;
1567 }
1568
1569 /***********************************************************/
1570 /* main execution loop */
1571
1572 struct vm_change_state_entry {
1573 VMChangeStateHandler *cb;
1574 void *opaque;
1575 QLIST_ENTRY (vm_change_state_entry) entries;
1576 };
1577
1578 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1579
1580 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1581 void *opaque)
1582 {
1583 VMChangeStateEntry *e;
1584
1585 e = g_malloc0(sizeof (*e));
1586
1587 e->cb = cb;
1588 e->opaque = opaque;
1589 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1590 return e;
1591 }
1592
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1594 {
1595 QLIST_REMOVE (e, entries);
1596 g_free (e);
1597 }
1598
1599 void vm_state_notify(int running, RunState state)
1600 {
1601 VMChangeStateEntry *e, *next;
1602
1603 trace_vm_state_notify(running, state);
1604
1605 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1606 e->cb(e->opaque, running, state);
1607 }
1608 }
1609
1610 /* reset/shutdown handler */
1611
1612 typedef struct QEMUResetEntry {
1613 QTAILQ_ENTRY(QEMUResetEntry) entry;
1614 QEMUResetHandler *func;
1615 void *opaque;
1616 } QEMUResetEntry;
1617
1618 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1620 static int reset_requested;
1621 static int shutdown_requested, shutdown_signal = -1;
1622 static pid_t shutdown_pid;
1623 static int powerdown_requested;
1624 static int debug_requested;
1625 static int suspend_requested;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1634
1635 int qemu_shutdown_requested_get(void)
1636 {
1637 return shutdown_requested;
1638 }
1639
1640 int qemu_reset_requested_get(void)
1641 {
1642 return reset_requested;
1643 }
1644
1645 static int qemu_shutdown_requested(void)
1646 {
1647 return atomic_xchg(&shutdown_requested, 0);
1648 }
1649
1650 static void qemu_kill_report(void)
1651 {
1652 if (!qtest_driver() && shutdown_signal != -1) {
1653 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1654 if (shutdown_pid == 0) {
1655 /* This happens for eg ^C at the terminal, so it's worth
1656 * avoiding printing an odd message in that case.
1657 */
1658 fputc('\n', stderr);
1659 } else {
1660 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1661 }
1662 shutdown_signal = -1;
1663 }
1664 }
1665
1666 static int qemu_reset_requested(void)
1667 {
1668 int r = reset_requested;
1669 reset_requested = 0;
1670 return r;
1671 }
1672
1673 static int qemu_suspend_requested(void)
1674 {
1675 int r = suspend_requested;
1676 suspend_requested = 0;
1677 return r;
1678 }
1679
1680 static WakeupReason qemu_wakeup_requested(void)
1681 {
1682 return wakeup_reason;
1683 }
1684
1685 static int qemu_powerdown_requested(void)
1686 {
1687 int r = powerdown_requested;
1688 powerdown_requested = 0;
1689 return r;
1690 }
1691
1692 static int qemu_debug_requested(void)
1693 {
1694 int r = debug_requested;
1695 debug_requested = 0;
1696 return r;
1697 }
1698
1699 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1700 {
1701 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1702
1703 re->func = func;
1704 re->opaque = opaque;
1705 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1706 }
1707
1708 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1709 {
1710 QEMUResetEntry *re;
1711
1712 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1713 if (re->func == func && re->opaque == opaque) {
1714 QTAILQ_REMOVE(&reset_handlers, re, entry);
1715 g_free(re);
1716 return;
1717 }
1718 }
1719 }
1720
1721 void qemu_devices_reset(void)
1722 {
1723 QEMUResetEntry *re, *nre;
1724
1725 /* reset all devices */
1726 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1727 re->func(re->opaque);
1728 }
1729 }
1730
1731 void qemu_system_reset(bool report)
1732 {
1733 MachineClass *mc;
1734
1735 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1736
1737 if (mc && mc->reset) {
1738 mc->reset();
1739 } else {
1740 qemu_devices_reset();
1741 }
1742 if (report) {
1743 qapi_event_send_reset(&error_abort);
1744 }
1745 cpu_synchronize_all_post_reset();
1746 }
1747
1748 void qemu_system_guest_panicked(void)
1749 {
1750 if (current_cpu) {
1751 current_cpu->crash_occurred = true;
1752 }
1753 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1754 vm_stop(RUN_STATE_GUEST_PANICKED);
1755 }
1756
1757 void qemu_system_reset_request(void)
1758 {
1759 if (no_reboot) {
1760 shutdown_requested = 1;
1761 } else {
1762 reset_requested = 1;
1763 }
1764 cpu_stop_current();
1765 qemu_notify_event();
1766 }
1767
1768 static void qemu_system_suspend(void)
1769 {
1770 pause_all_vcpus();
1771 notifier_list_notify(&suspend_notifiers, NULL);
1772 runstate_set(RUN_STATE_SUSPENDED);
1773 qapi_event_send_suspend(&error_abort);
1774 }
1775
1776 void qemu_system_suspend_request(void)
1777 {
1778 if (runstate_check(RUN_STATE_SUSPENDED)) {
1779 return;
1780 }
1781 suspend_requested = 1;
1782 cpu_stop_current();
1783 qemu_notify_event();
1784 }
1785
1786 void qemu_register_suspend_notifier(Notifier *notifier)
1787 {
1788 notifier_list_add(&suspend_notifiers, notifier);
1789 }
1790
1791 void qemu_system_wakeup_request(WakeupReason reason)
1792 {
1793 trace_system_wakeup_request(reason);
1794
1795 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1796 return;
1797 }
1798 if (!(wakeup_reason_mask & (1 << reason))) {
1799 return;
1800 }
1801 runstate_set(RUN_STATE_RUNNING);
1802 wakeup_reason = reason;
1803 qemu_notify_event();
1804 }
1805
1806 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1807 {
1808 if (enabled) {
1809 wakeup_reason_mask |= (1 << reason);
1810 } else {
1811 wakeup_reason_mask &= ~(1 << reason);
1812 }
1813 }
1814
1815 void qemu_register_wakeup_notifier(Notifier *notifier)
1816 {
1817 notifier_list_add(&wakeup_notifiers, notifier);
1818 }
1819
1820 void qemu_system_killed(int signal, pid_t pid)
1821 {
1822 shutdown_signal = signal;
1823 shutdown_pid = pid;
1824 no_shutdown = 0;
1825 qemu_system_shutdown_request();
1826 }
1827
1828 void qemu_system_shutdown_request(void)
1829 {
1830 trace_qemu_system_shutdown_request();
1831 shutdown_requested = 1;
1832 qemu_notify_event();
1833 }
1834
1835 static void qemu_system_powerdown(void)
1836 {
1837 qapi_event_send_powerdown(&error_abort);
1838 notifier_list_notify(&powerdown_notifiers, NULL);
1839 }
1840
1841 void qemu_system_powerdown_request(void)
1842 {
1843 trace_qemu_system_powerdown_request();
1844 powerdown_requested = 1;
1845 qemu_notify_event();
1846 }
1847
1848 void qemu_register_powerdown_notifier(Notifier *notifier)
1849 {
1850 notifier_list_add(&powerdown_notifiers, notifier);
1851 }
1852
1853 void qemu_system_debug_request(void)
1854 {
1855 debug_requested = 1;
1856 qemu_notify_event();
1857 }
1858
1859 static bool main_loop_should_exit(void)
1860 {
1861 RunState r;
1862 if (qemu_debug_requested()) {
1863 vm_stop(RUN_STATE_DEBUG);
1864 }
1865 if (qemu_suspend_requested()) {
1866 qemu_system_suspend();
1867 }
1868 if (qemu_shutdown_requested()) {
1869 qemu_kill_report();
1870 qapi_event_send_shutdown(&error_abort);
1871 if (no_shutdown) {
1872 vm_stop(RUN_STATE_SHUTDOWN);
1873 } else {
1874 return true;
1875 }
1876 }
1877 if (qemu_reset_requested()) {
1878 pause_all_vcpus();
1879 cpu_synchronize_all_states();
1880 qemu_system_reset(VMRESET_REPORT);
1881 resume_all_vcpus();
1882 if (runstate_needs_reset()) {
1883 runstate_set(RUN_STATE_PAUSED);
1884 }
1885 }
1886 if (qemu_wakeup_requested()) {
1887 pause_all_vcpus();
1888 cpu_synchronize_all_states();
1889 qemu_system_reset(VMRESET_SILENT);
1890 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1891 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1892 resume_all_vcpus();
1893 qapi_event_send_wakeup(&error_abort);
1894 }
1895 if (qemu_powerdown_requested()) {
1896 qemu_system_powerdown();
1897 }
1898 if (qemu_vmstop_requested(&r)) {
1899 vm_stop(r);
1900 }
1901 return false;
1902 }
1903
1904 static void main_loop(void)
1905 {
1906 bool nonblocking;
1907 int last_io = 0;
1908 #ifdef CONFIG_PROFILER
1909 int64_t ti;
1910 #endif
1911 do {
1912 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1913 #ifdef CONFIG_PROFILER
1914 ti = profile_getclock();
1915 #endif
1916 last_io = main_loop_wait(nonblocking);
1917 #ifdef CONFIG_PROFILER
1918 dev_time += profile_getclock() - ti;
1919 #endif
1920 } while (!main_loop_should_exit());
1921 }
1922
1923 static void version(void)
1924 {
1925 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1926 }
1927
1928 static void help(int exitcode)
1929 {
1930 version();
1931 printf("usage: %s [options] [disk_image]\n\n"
1932 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1933 error_get_progname());
1934
1935 #define QEMU_OPTIONS_GENERATE_HELP
1936 #include "qemu-options-wrapper.h"
1937
1938 printf("\nDuring emulation, the following keys are useful:\n"
1939 "ctrl-alt-f toggle full screen\n"
1940 "ctrl-alt-n switch to virtual console 'n'\n"
1941 "ctrl-alt toggle mouse and keyboard grab\n"
1942 "\n"
1943 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1944
1945 exit(exitcode);
1946 }
1947
1948 #define HAS_ARG 0x0001
1949
1950 typedef struct QEMUOption {
1951 const char *name;
1952 int flags;
1953 int index;
1954 uint32_t arch_mask;
1955 } QEMUOption;
1956
1957 static const QEMUOption qemu_options[] = {
1958 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1959 #define QEMU_OPTIONS_GENERATE_OPTIONS
1960 #include "qemu-options-wrapper.h"
1961 { NULL },
1962 };
1963
1964 static bool vga_available(void)
1965 {
1966 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1967 }
1968
1969 static bool cirrus_vga_available(void)
1970 {
1971 return object_class_by_name("cirrus-vga")
1972 || object_class_by_name("isa-cirrus-vga");
1973 }
1974
1975 static bool vmware_vga_available(void)
1976 {
1977 return object_class_by_name("vmware-svga");
1978 }
1979
1980 static bool qxl_vga_available(void)
1981 {
1982 return object_class_by_name("qxl-vga");
1983 }
1984
1985 static bool tcx_vga_available(void)
1986 {
1987 return object_class_by_name("SUNW,tcx");
1988 }
1989
1990 static bool cg3_vga_available(void)
1991 {
1992 return object_class_by_name("cgthree");
1993 }
1994
1995 static bool virtio_vga_available(void)
1996 {
1997 return object_class_by_name("virtio-vga");
1998 }
1999
2000 static void select_vgahw (const char *p)
2001 {
2002 const char *opts;
2003
2004 assert(vga_interface_type == VGA_NONE);
2005 if (strstart(p, "std", &opts)) {
2006 if (vga_available()) {
2007 vga_interface_type = VGA_STD;
2008 } else {
2009 fprintf(stderr, "Error: standard VGA not available\n");
2010 exit(0);
2011 }
2012 } else if (strstart(p, "cirrus", &opts)) {
2013 if (cirrus_vga_available()) {
2014 vga_interface_type = VGA_CIRRUS;
2015 } else {
2016 fprintf(stderr, "Error: Cirrus VGA not available\n");
2017 exit(0);
2018 }
2019 } else if (strstart(p, "vmware", &opts)) {
2020 if (vmware_vga_available()) {
2021 vga_interface_type = VGA_VMWARE;
2022 } else {
2023 fprintf(stderr, "Error: VMWare SVGA not available\n");
2024 exit(0);
2025 }
2026 } else if (strstart(p, "virtio", &opts)) {
2027 if (virtio_vga_available()) {
2028 vga_interface_type = VGA_VIRTIO;
2029 } else {
2030 fprintf(stderr, "Error: Virtio VGA not available\n");
2031 exit(0);
2032 }
2033 } else if (strstart(p, "xenfb", &opts)) {
2034 vga_interface_type = VGA_XENFB;
2035 } else if (strstart(p, "qxl", &opts)) {
2036 if (qxl_vga_available()) {
2037 vga_interface_type = VGA_QXL;
2038 } else {
2039 fprintf(stderr, "Error: QXL VGA not available\n");
2040 exit(0);
2041 }
2042 } else if (strstart(p, "tcx", &opts)) {
2043 if (tcx_vga_available()) {
2044 vga_interface_type = VGA_TCX;
2045 } else {
2046 fprintf(stderr, "Error: TCX framebuffer not available\n");
2047 exit(0);
2048 }
2049 } else if (strstart(p, "cg3", &opts)) {
2050 if (cg3_vga_available()) {
2051 vga_interface_type = VGA_CG3;
2052 } else {
2053 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2054 exit(0);
2055 }
2056 } else if (!strstart(p, "none", &opts)) {
2057 invalid_vga:
2058 fprintf(stderr, "Unknown vga type: %s\n", p);
2059 exit(1);
2060 }
2061 while (*opts) {
2062 const char *nextopt;
2063
2064 if (strstart(opts, ",retrace=", &nextopt)) {
2065 opts = nextopt;
2066 if (strstart(opts, "dumb", &nextopt))
2067 vga_retrace_method = VGA_RETRACE_DUMB;
2068 else if (strstart(opts, "precise", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_PRECISE;
2070 else goto invalid_vga;
2071 } else goto invalid_vga;
2072 opts = nextopt;
2073 }
2074 }
2075
2076 static DisplayType select_display(const char *p)
2077 {
2078 const char *opts;
2079 DisplayType display = DT_DEFAULT;
2080
2081 if (strstart(p, "sdl", &opts)) {
2082 #ifdef CONFIG_SDL
2083 display = DT_SDL;
2084 while (*opts) {
2085 const char *nextopt;
2086
2087 if (strstart(opts, ",frame=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 no_frame = 0;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 no_frame = 1;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 alt_grab = 1;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 alt_grab = 0;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 ctrl_grab = 1;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 ctrl_grab = 0;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",window_close=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 no_quit = 0;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 no_quit = 1;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",gl=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 request_opengl = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 request_opengl = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else {
2133 invalid_sdl_args:
2134 error_report("Invalid SDL option string");
2135 exit(1);
2136 }
2137 opts = nextopt;
2138 }
2139 #else
2140 error_report("SDL support is disabled");
2141 exit(1);
2142 #endif
2143 } else if (strstart(p, "vnc", &opts)) {
2144 #ifdef CONFIG_VNC
2145 if (*opts == '=') {
2146 Error *err = NULL;
2147 if (vnc_parse(opts + 1, &err) == NULL) {
2148 error_report_err(err);
2149 exit(1);
2150 }
2151 } else {
2152 error_report("VNC requires a display argument vnc=<display>");
2153 exit(1);
2154 }
2155 #else
2156 error_report("VNC support is disabled");
2157 exit(1);
2158 #endif
2159 } else if (strstart(p, "curses", &opts)) {
2160 #ifdef CONFIG_CURSES
2161 display = DT_CURSES;
2162 #else
2163 error_report("Curses support is disabled");
2164 exit(1);
2165 #endif
2166 } else if (strstart(p, "gtk", &opts)) {
2167 #ifdef CONFIG_GTK
2168 display = DT_GTK;
2169 while (*opts) {
2170 const char *nextopt;
2171
2172 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2173 opts = nextopt;
2174 if (strstart(opts, "on", &nextopt)) {
2175 grab_on_hover = true;
2176 } else if (strstart(opts, "off", &nextopt)) {
2177 grab_on_hover = false;
2178 } else {
2179 goto invalid_gtk_args;
2180 }
2181 } else if (strstart(opts, ",gl=", &nextopt)) {
2182 opts = nextopt;
2183 if (strstart(opts, "on", &nextopt)) {
2184 request_opengl = 1;
2185 } else if (strstart(opts, "off", &nextopt)) {
2186 request_opengl = 0;
2187 } else {
2188 goto invalid_gtk_args;
2189 }
2190 } else {
2191 invalid_gtk_args:
2192 error_report("Invalid GTK option string");
2193 exit(1);
2194 }
2195 opts = nextopt;
2196 }
2197 #else
2198 error_report("GTK support is disabled");
2199 exit(1);
2200 #endif
2201 } else if (strstart(p, "none", &opts)) {
2202 display = DT_NONE;
2203 } else {
2204 error_report("Unknown display type");
2205 exit(1);
2206 }
2207
2208 return display;
2209 }
2210
2211 static int balloon_parse(const char *arg)
2212 {
2213 QemuOpts *opts;
2214
2215 if (strcmp(arg, "none") == 0) {
2216 return 0;
2217 }
2218
2219 if (!strncmp(arg, "virtio", 6)) {
2220 if (arg[6] == ',') {
2221 /* have params -> parse them */
2222 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2223 false);
2224 if (!opts)
2225 return -1;
2226 } else {
2227 /* create empty opts */
2228 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2229 &error_abort);
2230 }
2231 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2232 return 0;
2233 }
2234
2235 return -1;
2236 }
2237
2238 char *qemu_find_file(int type, const char *name)
2239 {
2240 int i;
2241 const char *subdir;
2242 char *buf;
2243
2244 /* Try the name as a straight path first */
2245 if (access(name, R_OK) == 0) {
2246 trace_load_file(name, name);
2247 return g_strdup(name);
2248 }
2249
2250 switch (type) {
2251 case QEMU_FILE_TYPE_BIOS:
2252 subdir = "";
2253 break;
2254 case QEMU_FILE_TYPE_KEYMAP:
2255 subdir = "keymaps/";
2256 break;
2257 default:
2258 abort();
2259 }
2260
2261 for (i = 0; i < data_dir_idx; i++) {
2262 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2263 if (access(buf, R_OK) == 0) {
2264 trace_load_file(name, buf);
2265 return buf;
2266 }
2267 g_free(buf);
2268 }
2269 return NULL;
2270 }
2271
2272 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2273 {
2274 gchar *buf;
2275 size_t size;
2276 const char *name, *file;
2277
2278 if (opaque == NULL) {
2279 error_report("fw_cfg device not available");
2280 return -1;
2281 }
2282 name = qemu_opt_get(opts, "name");
2283 file = qemu_opt_get(opts, "file");
2284 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2285 error_report("invalid argument value");
2286 return -1;
2287 }
2288 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2289 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2290 return -1;
2291 }
2292 if (strncmp(name, "opt/", 4) != 0) {
2293 error_report("WARNING: externally provided fw_cfg item names "
2294 "should be prefixed with \"opt/\"!");
2295 }
2296 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2297 error_report("can't load %s", file);
2298 return -1;
2299 }
2300 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2301 return 0;
2302 }
2303
2304 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2305 {
2306 return qdev_device_help(opts);
2307 }
2308
2309 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2310 {
2311 Error *err = NULL;
2312 DeviceState *dev;
2313
2314 dev = qdev_device_add(opts, &err);
2315 if (!dev) {
2316 error_report_err(err);
2317 return -1;
2318 }
2319 object_unref(OBJECT(dev));
2320 return 0;
2321 }
2322
2323 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 Error *local_err = NULL;
2326
2327 qemu_chr_new_from_opts(opts, NULL, &local_err);
2328 if (local_err) {
2329 error_report_err(local_err);
2330 return -1;
2331 }
2332 return 0;
2333 }
2334
2335 #ifdef CONFIG_VIRTFS
2336 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 {
2338 int ret;
2339 ret = qemu_fsdev_add(opts);
2340
2341 return ret;
2342 }
2343 #endif
2344
2345 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 CharDriverState *chr;
2348 const char *chardev;
2349 const char *mode;
2350 int flags;
2351
2352 mode = qemu_opt_get(opts, "mode");
2353 if (mode == NULL) {
2354 mode = "readline";
2355 }
2356 if (strcmp(mode, "readline") == 0) {
2357 flags = MONITOR_USE_READLINE;
2358 } else if (strcmp(mode, "control") == 0) {
2359 flags = MONITOR_USE_CONTROL;
2360 } else {
2361 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2362 exit(1);
2363 }
2364
2365 if (qemu_opt_get_bool(opts, "pretty", 0))
2366 flags |= MONITOR_USE_PRETTY;
2367
2368 if (qemu_opt_get_bool(opts, "default", 0))
2369 flags |= MONITOR_IS_DEFAULT;
2370
2371 chardev = qemu_opt_get(opts, "chardev");
2372 chr = qemu_chr_find(chardev);
2373 if (chr == NULL) {
2374 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2375 exit(1);
2376 }
2377
2378 qemu_chr_fe_claim_no_fail(chr);
2379 monitor_init(chr, flags);
2380 return 0;
2381 }
2382
2383 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2384 {
2385 static int monitor_device_index = 0;
2386 Error *local_err = NULL;
2387 QemuOpts *opts;
2388 const char *p;
2389 char label[32];
2390 int def = 0;
2391
2392 if (strstart(optarg, "chardev:", &p)) {
2393 snprintf(label, sizeof(label), "%s", p);
2394 } else {
2395 snprintf(label, sizeof(label), "compat_monitor%d",
2396 monitor_device_index);
2397 if (monitor_device_index == 0) {
2398 def = 1;
2399 }
2400 opts = qemu_chr_parse_compat(label, optarg);
2401 if (!opts) {
2402 fprintf(stderr, "parse error: %s\n", optarg);
2403 exit(1);
2404 }
2405 }
2406
2407 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2408 if (!opts) {
2409 error_report_err(local_err);
2410 exit(1);
2411 }
2412 qemu_opt_set(opts, "mode", mode, &error_abort);
2413 qemu_opt_set(opts, "chardev", label, &error_abort);
2414 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2415 if (def)
2416 qemu_opt_set(opts, "default", "on", &error_abort);
2417 monitor_device_index++;
2418 }
2419
2420 struct device_config {
2421 enum {
2422 DEV_USB, /* -usbdevice */
2423 DEV_BT, /* -bt */
2424 DEV_SERIAL, /* -serial */
2425 DEV_PARALLEL, /* -parallel */
2426 DEV_VIRTCON, /* -virtioconsole */
2427 DEV_DEBUGCON, /* -debugcon */
2428 DEV_GDB, /* -gdb, -s */
2429 DEV_SCLP, /* s390 sclp */
2430 } type;
2431 const char *cmdline;
2432 Location loc;
2433 QTAILQ_ENTRY(device_config) next;
2434 };
2435
2436 static QTAILQ_HEAD(, device_config) device_configs =
2437 QTAILQ_HEAD_INITIALIZER(device_configs);
2438
2439 static void add_device_config(int type, const char *cmdline)
2440 {
2441 struct device_config *conf;
2442
2443 conf = g_malloc0(sizeof(*conf));
2444 conf->type = type;
2445 conf->cmdline = cmdline;
2446 loc_save(&conf->loc);
2447 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2448 }
2449
2450 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2451 {
2452 struct device_config *conf;
2453 int rc;
2454
2455 QTAILQ_FOREACH(conf, &device_configs, next) {
2456 if (conf->type != type)
2457 continue;
2458 loc_push_restore(&conf->loc);
2459 rc = func(conf->cmdline);
2460 loc_pop(&conf->loc);
2461 if (rc) {
2462 return rc;
2463 }
2464 }
2465 return 0;
2466 }
2467
2468 static int serial_parse(const char *devname)
2469 {
2470 static int index = 0;
2471 char label[32];
2472
2473 if (strcmp(devname, "none") == 0)
2474 return 0;
2475 if (index == MAX_SERIAL_PORTS) {
2476 fprintf(stderr, "qemu: too many serial ports\n");
2477 exit(1);
2478 }
2479 snprintf(label, sizeof(label), "serial%d", index);
2480 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2481 if (!serial_hds[index]) {
2482 fprintf(stderr, "qemu: could not connect serial device"
2483 " to character backend '%s'\n", devname);
2484 return -1;
2485 }
2486 index++;
2487 return 0;
2488 }
2489
2490 static int parallel_parse(const char *devname)
2491 {
2492 static int index = 0;
2493 char label[32];
2494
2495 if (strcmp(devname, "none") == 0)
2496 return 0;
2497 if (index == MAX_PARALLEL_PORTS) {
2498 fprintf(stderr, "qemu: too many parallel ports\n");
2499 exit(1);
2500 }
2501 snprintf(label, sizeof(label), "parallel%d", index);
2502 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2503 if (!parallel_hds[index]) {
2504 fprintf(stderr, "qemu: could not connect parallel device"
2505 " to character backend '%s'\n", devname);
2506 return -1;
2507 }
2508 index++;
2509 return 0;
2510 }
2511
2512 static int virtcon_parse(const char *devname)
2513 {
2514 QemuOptsList *device = qemu_find_opts("device");
2515 static int index = 0;
2516 char label[32];
2517 QemuOpts *bus_opts, *dev_opts;
2518
2519 if (strcmp(devname, "none") == 0)
2520 return 0;
2521 if (index == MAX_VIRTIO_CONSOLES) {
2522 fprintf(stderr, "qemu: too many virtio consoles\n");
2523 exit(1);
2524 }
2525
2526 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2527 if (arch_type == QEMU_ARCH_S390X) {
2528 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2529 } else {
2530 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2531 }
2532
2533 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2534 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2535
2536 snprintf(label, sizeof(label), "virtcon%d", index);
2537 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2538 if (!virtcon_hds[index]) {
2539 fprintf(stderr, "qemu: could not connect virtio console"
2540 " to character backend '%s'\n", devname);
2541 return -1;
2542 }
2543 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2544
2545 index++;
2546 return 0;
2547 }
2548
2549 static int sclp_parse(const char *devname)
2550 {
2551 QemuOptsList *device = qemu_find_opts("device");
2552 static int index = 0;
2553 char label[32];
2554 QemuOpts *dev_opts;
2555
2556 if (strcmp(devname, "none") == 0) {
2557 return 0;
2558 }
2559 if (index == MAX_SCLP_CONSOLES) {
2560 fprintf(stderr, "qemu: too many sclp consoles\n");
2561 exit(1);
2562 }
2563
2564 assert(arch_type == QEMU_ARCH_S390X);
2565
2566 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2567 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2568
2569 snprintf(label, sizeof(label), "sclpcon%d", index);
2570 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2571 if (!sclp_hds[index]) {
2572 fprintf(stderr, "qemu: could not connect sclp console"
2573 " to character backend '%s'\n", devname);
2574 return -1;
2575 }
2576 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2577
2578 index++;
2579 return 0;
2580 }
2581
2582 static int debugcon_parse(const char *devname)
2583 {
2584 QemuOpts *opts;
2585
2586 if (!qemu_chr_new("debugcon", devname, NULL)) {
2587 exit(1);
2588 }
2589 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2590 if (!opts) {
2591 fprintf(stderr, "qemu: already have a debugcon device\n");
2592 exit(1);
2593 }
2594 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2595 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2596 return 0;
2597 }
2598
2599 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2600 {
2601 const MachineClass *mc1 = a, *mc2 = b;
2602 int res;
2603
2604 if (mc1->family == NULL) {
2605 if (mc2->family == NULL) {
2606 /* Compare standalone machine types against each other; they sort
2607 * in increasing order.
2608 */
2609 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2610 object_class_get_name(OBJECT_CLASS(mc2)));
2611 }
2612
2613 /* Standalone machine types sort after families. */
2614 return 1;
2615 }
2616
2617 if (mc2->family == NULL) {
2618 /* Families sort before standalone machine types. */
2619 return -1;
2620 }
2621
2622 /* Families sort between each other alphabetically increasingly. */
2623 res = strcmp(mc1->family, mc2->family);
2624 if (res != 0) {
2625 return res;
2626 }
2627
2628 /* Within the same family, machine types sort in decreasing order. */
2629 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2630 object_class_get_name(OBJECT_CLASS(mc1)));
2631 }
2632
2633 static MachineClass *machine_parse(const char *name)
2634 {
2635 MachineClass *mc = NULL;
2636 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2637
2638 if (name) {
2639 mc = find_machine(name);
2640 }
2641 if (mc) {
2642 g_slist_free(machines);
2643 return mc;
2644 }
2645 if (name && !is_help_option(name)) {
2646 error_report("Unsupported machine type");
2647 error_printf("Use -machine help to list supported machines!\n");
2648 } else {
2649 printf("Supported machines are:\n");
2650 machines = g_slist_sort(machines, machine_class_cmp);
2651 for (el = machines; el; el = el->next) {
2652 MachineClass *mc = el->data;
2653 if (mc->alias) {
2654 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2655 }
2656 printf("%-20s %s%s\n", mc->name, mc->desc,
2657 mc->is_default ? " (default)" : "");
2658 }
2659 }
2660
2661 g_slist_free(machines);
2662 exit(!name || !is_help_option(name));
2663 }
2664
2665 void qemu_add_exit_notifier(Notifier *notify)
2666 {
2667 notifier_list_add(&exit_notifiers, notify);
2668 }
2669
2670 void qemu_remove_exit_notifier(Notifier *notify)
2671 {
2672 notifier_remove(notify);
2673 }
2674
2675 static void qemu_run_exit_notifiers(void)
2676 {
2677 notifier_list_notify(&exit_notifiers, NULL);
2678 }
2679
2680 static bool machine_init_done;
2681
2682 void qemu_add_machine_init_done_notifier(Notifier *notify)
2683 {
2684 notifier_list_add(&machine_init_done_notifiers, notify);
2685 if (machine_init_done) {
2686 notify->notify(notify, NULL);
2687 }
2688 }
2689
2690 static void qemu_run_machine_init_done_notifiers(void)
2691 {
2692 notifier_list_notify(&machine_init_done_notifiers, NULL);
2693 machine_init_done = true;
2694 }
2695
2696 static const QEMUOption *lookup_opt(int argc, char **argv,
2697 const char **poptarg, int *poptind)
2698 {
2699 const QEMUOption *popt;
2700 int optind = *poptind;
2701 char *r = argv[optind];
2702 const char *optarg;
2703
2704 loc_set_cmdline(argv, optind, 1);
2705 optind++;
2706 /* Treat --foo the same as -foo. */
2707 if (r[1] == '-')
2708 r++;
2709 popt = qemu_options;
2710 for(;;) {
2711 if (!popt->name) {
2712 error_report("invalid option");
2713 exit(1);
2714 }
2715 if (!strcmp(popt->name, r + 1))
2716 break;
2717 popt++;
2718 }
2719 if (popt->flags & HAS_ARG) {
2720 if (optind >= argc) {
2721 error_report("requires an argument");
2722 exit(1);
2723 }
2724 optarg = argv[optind++];
2725 loc_set_cmdline(argv, optind - 2, 2);
2726 } else {
2727 optarg = NULL;
2728 }
2729
2730 *poptarg = optarg;
2731 *poptind = optind;
2732
2733 return popt;
2734 }
2735
2736 static gpointer malloc_and_trace(gsize n_bytes)
2737 {
2738 void *ptr = malloc(n_bytes);
2739 trace_g_malloc(n_bytes, ptr);
2740 return ptr;
2741 }
2742
2743 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2744 {
2745 void *ptr = realloc(mem, n_bytes);
2746 trace_g_realloc(mem, n_bytes, ptr);
2747 return ptr;
2748 }
2749
2750 static void free_and_trace(gpointer mem)
2751 {
2752 trace_g_free(mem);
2753 free(mem);
2754 }
2755
2756 static int machine_set_property(void *opaque,
2757 const char *name, const char *value,
2758 Error **errp)
2759 {
2760 Object *obj = OBJECT(opaque);
2761 Error *local_err = NULL;
2762 char *c, *qom_name;
2763
2764 if (strcmp(name, "type") == 0) {
2765 return 0;
2766 }
2767
2768 qom_name = g_strdup(name);
2769 c = qom_name;
2770 while (*c++) {
2771 if (*c == '_') {
2772 *c = '-';
2773 }
2774 }
2775
2776 object_property_parse(obj, value, qom_name, &local_err);
2777 g_free(qom_name);
2778
2779 if (local_err) {
2780 error_report_err(local_err);
2781 return -1;
2782 }
2783
2784 return 0;
2785 }
2786
2787
2788 /*
2789 * Initial object creation happens before all other
2790 * QEMU data types are created. The majority of objects
2791 * can be created at this point. The rng-egd object
2792 * cannot be created here, as it depends on the chardev
2793 * already existing.
2794 */
2795 static bool object_create_initial(const char *type)
2796 {
2797 if (g_str_equal(type, "rng-egd")) {
2798 return false;
2799 }
2800 return true;
2801 }
2802
2803
2804 /*
2805 * The remainder of object creation happens after the
2806 * creation of chardev, fsdev and device data types.
2807 */
2808 static bool object_create_delayed(const char *type)
2809 {
2810 return !object_create_initial(type);
2811 }
2812
2813
2814 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2815 {
2816 Error *err = NULL;
2817 char *type = NULL;
2818 char *id = NULL;
2819 void *dummy = NULL;
2820 OptsVisitor *ov;
2821 QDict *pdict;
2822 bool (*type_predicate)(const char *) = opaque;
2823
2824 ov = opts_visitor_new(opts);
2825 pdict = qemu_opts_to_qdict(opts, NULL);
2826
2827 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2828 if (err) {
2829 goto out;
2830 }
2831
2832 qdict_del(pdict, "qom-type");
2833 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2834 if (err) {
2835 goto out;
2836 }
2837 if (!type_predicate(type)) {
2838 goto out;
2839 }
2840
2841 qdict_del(pdict, "id");
2842 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2843 if (err) {
2844 goto out;
2845 }
2846
2847 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2848 if (err) {
2849 goto out;
2850 }
2851 visit_end_struct(opts_get_visitor(ov), &err);
2852 if (err) {
2853 qmp_object_del(id, NULL);
2854 }
2855
2856 out:
2857 opts_visitor_cleanup(ov);
2858
2859 QDECREF(pdict);
2860 g_free(id);
2861 g_free(type);
2862 g_free(dummy);
2863 if (err) {
2864 error_report_err(err);
2865 return -1;
2866 }
2867 return 0;
2868 }
2869
2870 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2871 MachineClass *mc)
2872 {
2873 uint64_t sz;
2874 const char *mem_str;
2875 const char *maxmem_str, *slots_str;
2876 const ram_addr_t default_ram_size = mc->default_ram_size;
2877 QemuOpts *opts = qemu_find_opts_singleton("memory");
2878
2879 sz = 0;
2880 mem_str = qemu_opt_get(opts, "size");
2881 if (mem_str) {
2882 if (!*mem_str) {
2883 error_report("missing 'size' option value");
2884 exit(EXIT_FAILURE);
2885 }
2886
2887 sz = qemu_opt_get_size(opts, "size", ram_size);
2888
2889 /* Fix up legacy suffix-less format */
2890 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2891 uint64_t overflow_check = sz;
2892
2893 sz <<= 20;
2894 if ((sz >> 20) != overflow_check) {
2895 error_report("too large 'size' option value");
2896 exit(EXIT_FAILURE);
2897 }
2898 }
2899 }
2900
2901 /* backward compatibility behaviour for case "-m 0" */
2902 if (sz == 0) {
2903 sz = default_ram_size;
2904 }
2905
2906 sz = QEMU_ALIGN_UP(sz, 8192);
2907 ram_size = sz;
2908 if (ram_size != sz) {
2909 error_report("ram size too large");
2910 exit(EXIT_FAILURE);
2911 }
2912
2913 /* store value for the future use */
2914 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2915 *maxram_size = ram_size;
2916
2917 maxmem_str = qemu_opt_get(opts, "maxmem");
2918 slots_str = qemu_opt_get(opts, "slots");
2919 if (maxmem_str && slots_str) {
2920 uint64_t slots;
2921
2922 sz = qemu_opt_get_size(opts, "maxmem", 0);
2923 slots = qemu_opt_get_number(opts, "slots", 0);
2924 if (sz < ram_size) {
2925 error_report("invalid value of -m option maxmem: "
2926 "maximum memory size (0x%" PRIx64 ") must be at least "
2927 "the initial memory size (0x" RAM_ADDR_FMT ")",
2928 sz, ram_size);
2929 exit(EXIT_FAILURE);
2930 } else if (sz > ram_size) {
2931 if (!slots) {
2932 error_report("invalid value of -m option: maxmem was "
2933 "specified, but no hotplug slots were specified");
2934 exit(EXIT_FAILURE);
2935 }
2936 } else if (slots) {
2937 error_report("invalid value of -m option maxmem: "
2938 "memory slots were specified but maximum memory size "
2939 "(0x%" PRIx64 ") is equal to the initial memory size "
2940 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 *maxram_size = sz;
2945 *ram_slots = slots;
2946 } else if ((!maxmem_str && slots_str) ||
2947 (maxmem_str && !slots_str)) {
2948 error_report("invalid -m option value: missing "
2949 "'%s' option", slots_str ? "maxmem" : "slots");
2950 exit(EXIT_FAILURE);
2951 }
2952 }
2953
2954 int main(int argc, char **argv, char **envp)
2955 {
2956 int i;
2957 int snapshot, linux_boot;
2958 const char *initrd_filename;
2959 const char *kernel_filename, *kernel_cmdline;
2960 const char *boot_order = NULL;
2961 const char *boot_once = NULL;
2962 DisplayState *ds;
2963 int cyls, heads, secs, translation;
2964 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2965 QemuOptsList *olist;
2966 int optind;
2967 const char *optarg;
2968 const char *loadvm = NULL;
2969 MachineClass *machine_class;
2970 const char *cpu_model;
2971 const char *vga_model = NULL;
2972 const char *qtest_chrdev = NULL;
2973 const char *qtest_log = NULL;
2974 const char *pid_file = NULL;
2975 const char *incoming = NULL;
2976 #ifdef CONFIG_VNC
2977 int show_vnc_port = 0;
2978 #endif
2979 bool defconfig = true;
2980 bool userconfig = true;
2981 const char *log_mask = NULL;
2982 const char *log_file = NULL;
2983 GMemVTable mem_trace = {
2984 .malloc = malloc_and_trace,
2985 .realloc = realloc_and_trace,
2986 .free = free_and_trace,
2987 };
2988 const char *trace_events = NULL;
2989 const char *trace_file = NULL;
2990 ram_addr_t maxram_size;
2991 uint64_t ram_slots = 0;
2992 FILE *vmstate_dump_file = NULL;
2993 Error *main_loop_err = NULL;
2994 Error *err = NULL;
2995
2996 qemu_init_cpu_loop();
2997 qemu_mutex_lock_iothread();
2998
2999 atexit(qemu_run_exit_notifiers);
3000 error_set_progname(argv[0]);
3001 qemu_init_exec_dir(argv[0]);
3002
3003 g_mem_set_vtable(&mem_trace);
3004
3005 module_call_init(MODULE_INIT_QOM);
3006
3007 qemu_add_opts(&qemu_drive_opts);
3008 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3009 qemu_add_drive_opts(&qemu_common_drive_opts);
3010 qemu_add_drive_opts(&qemu_drive_opts);
3011 qemu_add_opts(&qemu_chardev_opts);
3012 qemu_add_opts(&qemu_device_opts);
3013 qemu_add_opts(&qemu_netdev_opts);
3014 qemu_add_opts(&qemu_net_opts);
3015 qemu_add_opts(&qemu_rtc_opts);
3016 qemu_add_opts(&qemu_global_opts);
3017 qemu_add_opts(&qemu_mon_opts);
3018 qemu_add_opts(&qemu_trace_opts);
3019 qemu_add_opts(&qemu_option_rom_opts);
3020 qemu_add_opts(&qemu_machine_opts);
3021 qemu_add_opts(&qemu_mem_opts);
3022 qemu_add_opts(&qemu_smp_opts);
3023 qemu_add_opts(&qemu_boot_opts);
3024 qemu_add_opts(&qemu_sandbox_opts);
3025 qemu_add_opts(&qemu_add_fd_opts);
3026 qemu_add_opts(&qemu_object_opts);
3027 qemu_add_opts(&qemu_tpmdev_opts);
3028 qemu_add_opts(&qemu_realtime_opts);
3029 qemu_add_opts(&qemu_msg_opts);
3030 qemu_add_opts(&qemu_name_opts);
3031 qemu_add_opts(&qemu_numa_opts);
3032 qemu_add_opts(&qemu_icount_opts);
3033 qemu_add_opts(&qemu_semihosting_config_opts);
3034 qemu_add_opts(&qemu_fw_cfg_opts);
3035
3036 runstate_init();
3037
3038 if (qcrypto_init(&err) < 0) {
3039 fprintf(stderr, "Cannot initialize crypto: %s\n",
3040 error_get_pretty(err));
3041 exit(1);
3042 }
3043 rtc_clock = QEMU_CLOCK_HOST;
3044
3045 QLIST_INIT (&vm_change_state_head);
3046 os_setup_early_signal_handling();
3047
3048 module_call_init(MODULE_INIT_MACHINE);
3049 machine_class = find_default_machine();
3050 cpu_model = NULL;
3051 snapshot = 0;
3052 cyls = heads = secs = 0;
3053 translation = BIOS_ATA_TRANSLATION_AUTO;
3054
3055 nb_nics = 0;
3056
3057 bdrv_init_with_whitelist();
3058
3059 autostart = 1;
3060
3061 /* first pass of option parsing */
3062 optind = 1;
3063 while (optind < argc) {
3064 if (argv[optind][0] != '-') {
3065 /* disk image */
3066 optind++;
3067 } else {
3068 const QEMUOption *popt;
3069
3070 popt = lookup_opt(argc, argv, &optarg, &optind);
3071 switch (popt->index) {
3072 case QEMU_OPTION_nodefconfig:
3073 defconfig = false;
3074 break;
3075 case QEMU_OPTION_nouserconfig:
3076 userconfig = false;
3077 break;
3078 }
3079 }
3080 }
3081
3082 if (defconfig) {
3083 int ret;
3084 ret = qemu_read_default_config_files(userconfig);
3085 if (ret < 0) {
3086 exit(1);
3087 }
3088 }
3089
3090 /* second pass of option parsing */
3091 optind = 1;
3092 for(;;) {
3093 if (optind >= argc)
3094 break;
3095 if (argv[optind][0] != '-') {
3096 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3097 } else {
3098 const QEMUOption *popt;
3099
3100 popt = lookup_opt(argc, argv, &optarg, &optind);
3101 if (!(popt->arch_mask & arch_type)) {
3102 printf("Option %s not supported for this target\n", popt->name);
3103 exit(1);
3104 }
3105 switch(popt->index) {
3106 case QEMU_OPTION_no_kvm_irqchip: {
3107 olist = qemu_find_opts("machine");
3108 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3109 break;
3110 }
3111 case QEMU_OPTION_cpu:
3112 /* hw initialization will check this */
3113 cpu_model = optarg;
3114 break;
3115 case QEMU_OPTION_hda:
3116 {
3117 char buf[256];
3118 if (cyls == 0)
3119 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3120 else
3121 snprintf(buf, sizeof(buf),
3122 "%s,cyls=%d,heads=%d,secs=%d%s",
3123 HD_OPTS , cyls, heads, secs,
3124 translation == BIOS_ATA_TRANSLATION_LBA ?
3125 ",trans=lba" :
3126 translation == BIOS_ATA_TRANSLATION_NONE ?
3127 ",trans=none" : "");
3128 drive_add(IF_DEFAULT, 0, optarg, buf);
3129 break;
3130 }
3131 case QEMU_OPTION_hdb:
3132 case QEMU_OPTION_hdc:
3133 case QEMU_OPTION_hdd:
3134 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3135 HD_OPTS);
3136 break;
3137 case QEMU_OPTION_drive:
3138 if (drive_def(optarg) == NULL) {
3139 exit(1);
3140 }
3141 break;
3142 case QEMU_OPTION_set:
3143 if (qemu_set_option(optarg) != 0)
3144 exit(1);
3145 break;
3146 case QEMU_OPTION_global:
3147 if (qemu_global_option(optarg) != 0)
3148 exit(1);
3149 break;
3150 case QEMU_OPTION_mtdblock:
3151 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3152 break;
3153 case QEMU_OPTION_sd:
3154 drive_add(IF_SD, -1, optarg, SD_OPTS);
3155 break;
3156 case QEMU_OPTION_pflash:
3157 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3158 break;
3159 case QEMU_OPTION_snapshot:
3160 snapshot = 1;
3161 break;
3162 case QEMU_OPTION_hdachs:
3163 {
3164 const char *p;
3165 p = optarg;
3166 cyls = strtol(p, (char **)&p, 0);
3167 if (cyls < 1 || cyls > 16383)
3168 goto chs_fail;
3169 if (*p != ',')
3170 goto chs_fail;
3171 p++;
3172 heads = strtol(p, (char **)&p, 0);
3173 if (heads < 1 || heads > 16)
3174 goto chs_fail;
3175 if (*p != ',')
3176 goto chs_fail;
3177 p++;
3178 secs = strtol(p, (char **)&p, 0);
3179 if (secs < 1 || secs > 63)
3180 goto chs_fail;
3181 if (*p == ',') {
3182 p++;
3183 if (!strcmp(p, "large")) {
3184 translation = BIOS_ATA_TRANSLATION_LARGE;
3185 } else if (!strcmp(p, "rechs")) {
3186 translation = BIOS_ATA_TRANSLATION_RECHS;
3187 } else if (!strcmp(p, "none")) {
3188 translation = BIOS_ATA_TRANSLATION_NONE;
3189 } else if (!strcmp(p, "lba")) {
3190 translation = BIOS_ATA_TRANSLATION_LBA;
3191 } else if (!strcmp(p, "auto")) {
3192 translation = BIOS_ATA_TRANSLATION_AUTO;
3193 } else {
3194 goto chs_fail;
3195 }
3196 } else if (*p != '\0') {
3197 chs_fail:
3198 fprintf(stderr, "qemu: invalid physical CHS format\n");
3199 exit(1);
3200 }
3201 if (hda_opts != NULL) {
3202 qemu_opt_set_number(hda_opts, "cyls", cyls,
3203 &error_abort);
3204 qemu_opt_set_number(hda_opts, "heads", heads,
3205 &error_abort);
3206 qemu_opt_set_number(hda_opts, "secs", secs,
3207 &error_abort);
3208 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3209 qemu_opt_set(hda_opts, "trans", "large",
3210 &error_abort);
3211 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3212 qemu_opt_set(hda_opts, "trans", "rechs",
3213 &error_abort);
3214 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3215 qemu_opt_set(hda_opts, "trans", "lba",
3216 &error_abort);
3217 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3218 qemu_opt_set(hda_opts, "trans", "none",
3219 &error_abort);
3220 }
3221 }
3222 }
3223 break;
3224 case QEMU_OPTION_numa:
3225 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3226 optarg, true);
3227 if (!opts) {
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_display:
3232 display_type = select_display(optarg);
3233 break;
3234 case QEMU_OPTION_nographic:
3235 display_type = DT_NOGRAPHIC;
3236 break;
3237 case QEMU_OPTION_curses:
3238 #ifdef CONFIG_CURSES
3239 display_type = DT_CURSES;
3240 #else
3241 fprintf(stderr, "Curses support is disabled\n");
3242 exit(1);
3243 #endif
3244 break;
3245 case QEMU_OPTION_portrait:
3246 graphic_rotate = 90;
3247 break;
3248 case QEMU_OPTION_rotate:
3249 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3250 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3251 graphic_rotate != 180 && graphic_rotate != 270) {
3252 fprintf(stderr,
3253 "qemu: only 90, 180, 270 deg rotation is available\n");
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_kernel:
3258 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3259 &error_abort);
3260 break;
3261 case QEMU_OPTION_initrd:
3262 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3263 &error_abort);
3264 break;
3265 case QEMU_OPTION_append:
3266 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3267 &error_abort);
3268 break;
3269 case QEMU_OPTION_dtb:
3270 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3271 &error_abort);
3272 break;
3273 case QEMU_OPTION_cdrom:
3274 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3275 break;
3276 case QEMU_OPTION_boot:
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3278 optarg, true);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 break;
3283 case QEMU_OPTION_fda:
3284 case QEMU_OPTION_fdb:
3285 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3286 optarg, FD_OPTS);
3287 break;
3288 case QEMU_OPTION_no_fd_bootchk:
3289 fd_bootchk = 0;
3290 break;
3291 case QEMU_OPTION_netdev:
3292 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3293 exit(1);
3294 }
3295 break;
3296 case QEMU_OPTION_net:
3297 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3298 exit(1);
3299 }
3300 break;
3301 #ifdef CONFIG_LIBISCSI
3302 case QEMU_OPTION_iscsi:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3304 optarg, false);
3305 if (!opts) {
3306 exit(1);
3307 }
3308 break;
3309 #endif
3310 #ifdef CONFIG_SLIRP
3311 case QEMU_OPTION_tftp:
3312 legacy_tftp_prefix = optarg;
3313 break;
3314 case QEMU_OPTION_bootp:
3315 legacy_bootp_filename = optarg;
3316 break;
3317 case QEMU_OPTION_redir:
3318 if (net_slirp_redir(optarg) < 0)
3319 exit(1);
3320 break;
3321 #endif
3322 case QEMU_OPTION_bt:
3323 add_device_config(DEV_BT, optarg);
3324 break;
3325 case QEMU_OPTION_audio_help:
3326 AUD_help ();
3327 exit (0);
3328 break;
3329 case QEMU_OPTION_soundhw:
3330 select_soundhw (optarg);
3331 break;
3332 case QEMU_OPTION_h:
3333 help(0);
3334 break;
3335 case QEMU_OPTION_version:
3336 version();
3337 exit(0);
3338 break;
3339 case QEMU_OPTION_m:
3340 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3341 optarg, true);
3342 if (!opts) {
3343 exit(EXIT_FAILURE);
3344 }
3345 break;
3346 #ifdef CONFIG_TPM
3347 case QEMU_OPTION_tpmdev:
3348 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3349 exit(1);
3350 }
3351 break;
3352 #endif
3353 case QEMU_OPTION_mempath:
3354 mem_path = optarg;
3355 break;
3356 case QEMU_OPTION_mem_prealloc:
3357 mem_prealloc = 1;
3358 break;
3359 case QEMU_OPTION_d:
3360 log_mask = optarg;
3361 break;
3362 case QEMU_OPTION_D:
3363 log_file = optarg;
3364 break;
3365 case QEMU_OPTION_s:
3366 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3367 break;
3368 case QEMU_OPTION_gdb:
3369 add_device_config(DEV_GDB, optarg);
3370 break;
3371 case QEMU_OPTION_L:
3372 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3373 data_dir[data_dir_idx++] = optarg;
3374 }
3375 break;
3376 case QEMU_OPTION_bios:
3377 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3378 &error_abort);
3379 break;
3380 case QEMU_OPTION_singlestep:
3381 singlestep = 1;
3382 break;
3383 case QEMU_OPTION_S:
3384 autostart = 0;
3385 break;
3386 case QEMU_OPTION_k:
3387 keyboard_layout = optarg;
3388 break;
3389 case QEMU_OPTION_localtime:
3390 rtc_utc = 0;
3391 break;
3392 case QEMU_OPTION_vga:
3393 vga_model = optarg;
3394 default_vga = 0;
3395 break;
3396 case QEMU_OPTION_g:
3397 {
3398 const char *p;
3399 int w, h, depth;
3400 p = optarg;
3401 w = strtol(p, (char **)&p, 10);
3402 if (w <= 0) {
3403 graphic_error:
3404 fprintf(stderr, "qemu: invalid resolution or depth\n");
3405 exit(1);
3406 }
3407 if (*p != 'x')
3408 goto graphic_error;
3409 p++;
3410 h = strtol(p, (char **)&p, 10);
3411 if (h <= 0)
3412 goto graphic_error;
3413 if (*p == 'x') {
3414 p++;
3415 depth = strtol(p, (char **)&p, 10);
3416 if (depth != 8 && depth != 15 && depth != 16 &&
3417 depth != 24 && depth != 32)
3418 goto graphic_error;
3419 } else if (*p == '\0') {
3420 depth = graphic_depth;
3421 } else {
3422 goto graphic_error;
3423 }
3424
3425 graphic_width = w;
3426 graphic_height = h;
3427 graphic_depth = depth;
3428 }
3429 break;
3430 case QEMU_OPTION_echr:
3431 {
3432 char *r;
3433 term_escape_char = strtol(optarg, &r, 0);
3434 if (r == optarg)
3435 printf("Bad argument to echr\n");
3436 break;
3437 }
3438 case QEMU_OPTION_monitor:
3439 default_monitor = 0;
3440 if (strncmp(optarg, "none", 4)) {
3441 monitor_parse(optarg, "readline", false);
3442 }
3443 break;
3444 case QEMU_OPTION_qmp:
3445 monitor_parse(optarg, "control", false);
3446 default_monitor = 0;
3447 break;
3448 case QEMU_OPTION_qmp_pretty:
3449 monitor_parse(optarg, "control", true);
3450 default_monitor = 0;
3451 break;
3452 case QEMU_OPTION_mon:
3453 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3454 true);
3455 if (!opts) {
3456 exit(1);
3457 }
3458 default_monitor = 0;
3459 break;
3460 case QEMU_OPTION_chardev:
3461 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3462 optarg, true);
3463 if (!opts) {
3464 exit(1);
3465 }
3466 break;
3467 case QEMU_OPTION_fsdev:
3468 olist = qemu_find_opts("fsdev");
3469 if (!olist) {
3470 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3471 exit(1);
3472 }
3473 opts = qemu_opts_parse_noisily(olist, optarg, true);
3474 if (!opts) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_virtfs: {
3479 QemuOpts *fsdev;
3480 QemuOpts *device;
3481 const char *writeout, *sock_fd, *socket;
3482
3483 olist = qemu_find_opts("virtfs");
3484 if (!olist) {
3485 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3486 exit(1);
3487 }
3488 opts = qemu_opts_parse_noisily(olist, optarg, true);
3489 if (!opts) {
3490 exit(1);
3491 }
3492
3493 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3494 qemu_opt_get(opts, "mount_tag") == NULL) {
3495 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3496 exit(1);
3497 }
3498 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3499 qemu_opt_get(opts, "mount_tag"),
3500 1, NULL);
3501 if (!fsdev) {
3502 fprintf(stderr, "duplicate fsdev id: %s\n",
3503 qemu_opt_get(opts, "mount_tag"));
3504 exit(1);
3505 }
3506
3507 writeout = qemu_opt_get(opts, "writeout");
3508 if (writeout) {
3509 #ifdef CONFIG_SYNC_FILE_RANGE
3510 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3511 #else
3512 fprintf(stderr, "writeout=immediate not supported on "
3513 "this platform\n");
3514 exit(1);
3515 #endif
3516 }
3517 qemu_opt_set(fsdev, "fsdriver",
3518 qemu_opt_get(opts, "fsdriver"), &error_abort);
3519 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3520 &error_abort);
3521 qemu_opt_set(fsdev, "security_model",
3522 qemu_opt_get(opts, "security_model"),
3523 &error_abort);
3524 socket = qemu_opt_get(opts, "socket");
3525 if (socket) {
3526 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3527 }
3528 sock_fd = qemu_opt_get(opts, "sock_fd");
3529 if (sock_fd) {
3530 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3531 }
3532
3533 qemu_opt_set_bool(fsdev, "readonly",
3534 qemu_opt_get_bool(opts, "readonly", 0),
3535 &error_abort);
3536 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3537 &error_abort);
3538 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3539 qemu_opt_set(device, "fsdev",
3540 qemu_opt_get(opts, "mount_tag"), &error_abort);
3541 qemu_opt_set(device, "mount_tag",
3542 qemu_opt_get(opts, "mount_tag"), &error_abort);
3543 break;
3544 }
3545 case QEMU_OPTION_virtfs_synth: {
3546 QemuOpts *fsdev;
3547 QemuOpts *device;
3548
3549 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3550 1, NULL);
3551 if (!fsdev) {
3552 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3553 exit(1);
3554 }
3555 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3556
3557 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3558 &error_abort);
3559 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3560 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3561 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3562 break;
3563 }
3564 case QEMU_OPTION_serial:
3565 add_device_config(DEV_SERIAL, optarg);
3566 default_serial = 0;
3567 if (strncmp(optarg, "mon:", 4) == 0) {
3568 default_monitor = 0;
3569 }
3570 break;
3571 case QEMU_OPTION_watchdog:
3572 if (watchdog) {
3573 fprintf(stderr,
3574 "qemu: only one watchdog option may be given\n");
3575 return 1;
3576 }
3577 watchdog = optarg;
3578 break;
3579 case QEMU_OPTION_watchdog_action:
3580 if (select_watchdog_action(optarg) == -1) {
3581 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3582 exit(1);
3583 }
3584 break;
3585 case QEMU_OPTION_virtiocon:
3586 add_device_config(DEV_VIRTCON, optarg);
3587 default_virtcon = 0;
3588 if (strncmp(optarg, "mon:", 4) == 0) {
3589 default_monitor = 0;
3590 }
3591 break;
3592 case QEMU_OPTION_parallel:
3593 add_device_config(DEV_PARALLEL, optarg);
3594 default_parallel = 0;
3595 if (strncmp(optarg, "mon:", 4) == 0) {
3596 default_monitor = 0;
3597 }
3598 break;
3599 case QEMU_OPTION_debugcon:
3600 add_device_config(DEV_DEBUGCON, optarg);
3601 break;
3602 case QEMU_OPTION_loadvm:
3603 loadvm = optarg;
3604 break;
3605 case QEMU_OPTION_full_screen:
3606 full_screen = 1;
3607 break;
3608 case QEMU_OPTION_no_frame:
3609 no_frame = 1;
3610 break;
3611 case QEMU_OPTION_alt_grab:
3612 alt_grab = 1;
3613 break;
3614 case QEMU_OPTION_ctrl_grab:
3615 ctrl_grab = 1;
3616 break;
3617 case QEMU_OPTION_no_quit:
3618 no_quit = 1;
3619 break;
3620 case QEMU_OPTION_sdl:
3621 #ifdef CONFIG_SDL
3622 display_type = DT_SDL;
3623 break;
3624 #else
3625 fprintf(stderr, "SDL support is disabled\n");
3626 exit(1);
3627 #endif
3628 case QEMU_OPTION_pidfile:
3629 pid_file = optarg;
3630 break;
3631 case QEMU_OPTION_win2k_hack:
3632 win2k_install_hack = 1;
3633 break;
3634 case QEMU_OPTION_rtc_td_hack: {
3635 static GlobalProperty slew_lost_ticks[] = {
3636 {
3637 .driver = "mc146818rtc",
3638 .property = "lost_tick_policy",
3639 .value = "slew",
3640 },
3641 { /* end of list */ }
3642 };
3643
3644 qdev_prop_register_global_list(slew_lost_ticks);
3645 break;
3646 }
3647 case QEMU_OPTION_acpitable:
3648 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3649 optarg, true);
3650 if (!opts) {
3651 exit(1);
3652 }
3653 do_acpitable_option(opts);
3654 break;
3655 case QEMU_OPTION_smbios:
3656 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3657 optarg, false);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 do_smbios_option(opts);
3662 break;
3663 case QEMU_OPTION_fwcfg:
3664 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3665 optarg, true);
3666 if (opts == NULL) {
3667 exit(1);
3668 }
3669 break;
3670 case QEMU_OPTION_enable_kvm:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3673 break;
3674 case QEMU_OPTION_M:
3675 case QEMU_OPTION_machine:
3676 olist = qemu_find_opts("machine");
3677 opts = qemu_opts_parse_noisily(olist, optarg, true);
3678 if (!opts) {
3679 exit(1);
3680 }
3681 break;
3682 case QEMU_OPTION_no_kvm:
3683 olist = qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3685 break;
3686 case QEMU_OPTION_no_kvm_pit: {
3687 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3688 "separately.\n");
3689 break;
3690 }
3691 case QEMU_OPTION_no_kvm_pit_reinjection: {
3692 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3693 {
3694 .driver = "kvm-pit",
3695 .property = "lost_tick_policy",
3696 .value = "discard",
3697 },
3698 { /* end of list */ }
3699 };
3700
3701 fprintf(stderr, "Warning: option deprecated, use "
3702 "lost_tick_policy property of kvm-pit instead.\n");
3703 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3704 break;
3705 }
3706 case QEMU_OPTION_usb:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse_noisily(olist, "usb=on", false);
3709 break;
3710 case QEMU_OPTION_usbdevice:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "usb=on", false);
3713 add_device_config(DEV_USB, optarg);
3714 break;
3715 case QEMU_OPTION_device:
3716 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3717 optarg, true)) {
3718 exit(1);
3719 }
3720 break;
3721 case QEMU_OPTION_smp:
3722 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3723 optarg, true)) {
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_vnc:
3728 {
3729 #ifdef CONFIG_VNC
3730 Error *local_err = NULL;
3731
3732 if (vnc_parse(optarg, &local_err) == NULL) {
3733 error_report_err(local_err);
3734 exit(1);
3735 }
3736 #else
3737 fprintf(stderr, "VNC support is disabled\n");
3738 exit(1);
3739 #endif
3740 break;
3741 }
3742 case QEMU_OPTION_no_acpi:
3743 acpi_enabled = 0;
3744 break;
3745 case QEMU_OPTION_no_hpet:
3746 no_hpet = 1;
3747 break;
3748 case QEMU_OPTION_balloon:
3749 if (balloon_parse(optarg) < 0) {
3750 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_no_reboot:
3755 no_reboot = 1;
3756 break;
3757 case QEMU_OPTION_no_shutdown:
3758 no_shutdown = 1;
3759 break;
3760 case QEMU_OPTION_show_cursor:
3761 cursor_hide = 0;
3762 break;
3763 case QEMU_OPTION_uuid:
3764 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3765 fprintf(stderr, "Fail to parse UUID string."
3766 " Wrong format.\n");
3767 exit(1);
3768 }
3769 qemu_uuid_set = true;
3770 break;
3771 case QEMU_OPTION_option_rom:
3772 if (nb_option_roms >= MAX_OPTION_ROMS) {
3773 fprintf(stderr, "Too many option ROMs\n");
3774 exit(1);
3775 }
3776 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3777 optarg, true);
3778 if (!opts) {
3779 exit(1);
3780 }
3781 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3782 option_rom[nb_option_roms].bootindex =
3783 qemu_opt_get_number(opts, "bootindex", -1);
3784 if (!option_rom[nb_option_roms].name) {
3785 fprintf(stderr, "Option ROM file is not specified\n");
3786 exit(1);
3787 }
3788 nb_option_roms++;
3789 break;
3790 case QEMU_OPTION_semihosting:
3791 semihosting.enabled = true;
3792 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3793 break;
3794 case QEMU_OPTION_semihosting_config:
3795 semihosting.enabled = true;
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3797 optarg, false);
3798 if (opts != NULL) {
3799 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3800 true);
3801 const char *target = qemu_opt_get(opts, "target");
3802 if (target != NULL) {
3803 if (strcmp("native", target) == 0) {
3804 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3805 } else if (strcmp("gdb", target) == 0) {
3806 semihosting.target = SEMIHOSTING_TARGET_GDB;
3807 } else if (strcmp("auto", target) == 0) {
3808 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3809 } else {
3810 fprintf(stderr, "Unsupported semihosting-config"
3811 " %s\n",
3812 optarg);
3813 exit(1);
3814 }
3815 } else {
3816 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3817 }
3818 /* Set semihosting argument count and vector */
3819 qemu_opt_foreach(opts, add_semihosting_arg,
3820 &semihosting, NULL);
3821 } else {
3822 fprintf(stderr, "Unsupported semihosting-config %s\n",
3823 optarg);
3824 exit(1);
3825 }
3826 break;
3827 case QEMU_OPTION_tdf:
3828 fprintf(stderr, "Warning: user space PIT time drift fix "
3829 "is no longer supported.\n");
3830 break;
3831 case QEMU_OPTION_name:
3832 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3833 optarg, true);
3834 if (!opts) {
3835 exit(1);
3836 }
3837 break;
3838 case QEMU_OPTION_prom_env:
3839 if (nb_prom_envs >= MAX_PROM_ENVS) {
3840 fprintf(stderr, "Too many prom variables\n");
3841 exit(1);
3842 }
3843 prom_envs[nb_prom_envs] = optarg;
3844 nb_prom_envs++;
3845 break;
3846 case QEMU_OPTION_old_param:
3847 old_param = 1;
3848 break;
3849 case QEMU_OPTION_clock:
3850 /* Clock options no longer exist. Keep this option for
3851 * backward compatibility.
3852 */
3853 break;
3854 case QEMU_OPTION_startdate:
3855 configure_rtc_date_offset(optarg, 1);
3856 break;
3857 case QEMU_OPTION_rtc:
3858 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3859 false);
3860 if (!opts) {
3861 exit(1);
3862 }
3863 configure_rtc(opts);
3864 break;
3865 case QEMU_OPTION_tb_size:
3866 tcg_tb_size = strtol(optarg, NULL, 0);
3867 if (tcg_tb_size < 0) {
3868 tcg_tb_size = 0;
3869 }
3870 break;
3871 case QEMU_OPTION_icount:
3872 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3873 optarg, true);
3874 if (!icount_opts) {
3875 exit(1);
3876 }
3877 break;
3878 case QEMU_OPTION_incoming:
3879 if (!incoming) {
3880 runstate_set(RUN_STATE_INMIGRATE);
3881 }
3882 incoming = optarg;
3883 break;
3884 case QEMU_OPTION_nodefaults:
3885 has_defaults = 0;
3886 break;
3887 case QEMU_OPTION_xen_domid:
3888 if (!(xen_available())) {
3889 printf("Option %s not supported for this target\n", popt->name);
3890 exit(1);
3891 }
3892 xen_domid = atoi(optarg);
3893 break;
3894 case QEMU_OPTION_xen_create:
3895 if (!(xen_available())) {
3896 printf("Option %s not supported for this target\n", popt->name);
3897 exit(1);
3898 }
3899 xen_mode = XEN_CREATE;
3900 break;
3901 case QEMU_OPTION_xen_attach:
3902 if (!(xen_available())) {
3903 printf("Option %s not supported for this target\n", popt->name);
3904 exit(1);
3905 }
3906 xen_mode = XEN_ATTACH;
3907 break;
3908 case QEMU_OPTION_trace:
3909 {
3910 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3911 optarg, false);
3912 if (!opts) {
3913 exit(1);
3914 }
3915 trace_events = qemu_opt_get(opts, "events");
3916 trace_file = qemu_opt_get(opts, "file");
3917 break;
3918 }
3919 case QEMU_OPTION_readconfig:
3920 {
3921 int ret = qemu_read_config_file(optarg);
3922 if (ret < 0) {
3923 fprintf(stderr, "read config %s: %s\n", optarg,
3924 strerror(-ret));
3925 exit(1);
3926 }
3927 break;
3928 }
3929 case QEMU_OPTION_spice:
3930 olist = qemu_find_opts("spice");
3931 if (!olist) {
3932 fprintf(stderr, "spice is not supported by this qemu build.\n");
3933 exit(1);
3934 }
3935 opts = qemu_opts_parse_noisily(olist, optarg, false);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 display_remote++;
3940 break;
3941 case QEMU_OPTION_writeconfig:
3942 {
3943 FILE *fp;
3944 if (strcmp(optarg, "-") == 0) {
3945 fp = stdout;
3946 } else {
3947 fp = fopen(optarg, "w");
3948 if (fp == NULL) {
3949 fprintf(stderr, "open %s: %s\n", optarg, 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 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4011 "option may be given\n");
4012 exit(1);
4013 }
4014 vmstate_dump_file = fopen(optarg, "w");
4015 if (vmstate_dump_file == NULL) {
4016 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4017 exit(1);
4018 }
4019 break;
4020 default:
4021 os_parse_cmd_args(popt->index, optarg);
4022 }
4023 }
4024 }
4025
4026 opts = qemu_get_machine_opts();
4027 optarg = qemu_opt_get(opts, "type");
4028 if (optarg) {
4029 machine_class = machine_parse(optarg);
4030 }
4031
4032 if (machine_class == NULL) {
4033 fprintf(stderr, "No machine specified, and there is no default.\n"
4034 "Use -machine help to list supported machines!\n");
4035 exit(1);
4036 }
4037
4038 set_memory_options(&ram_slots, &maxram_size, machine_class);
4039
4040 loc_set_none();
4041
4042 os_daemonize();
4043
4044 if (qemu_init_main_loop(&main_loop_err)) {
4045 error_report_err(main_loop_err);
4046 exit(1);
4047 }
4048
4049 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4050 parse_sandbox, NULL, NULL)) {
4051 exit(1);
4052 }
4053
4054 if (qemu_opts_foreach(qemu_find_opts("name"),
4055 parse_name, NULL, NULL)) {
4056 exit(1);
4057 }
4058
4059 #ifndef _WIN32
4060 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4061 parse_add_fd, NULL, NULL)) {
4062 exit(1);
4063 }
4064
4065 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4066 cleanup_add_fd, NULL, NULL)) {
4067 exit(1);
4068 }
4069 #endif
4070
4071 current_machine = MACHINE(object_new(object_class_get_name(
4072 OBJECT_CLASS(machine_class))));
4073 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4074 exit(0);
4075 }
4076 object_property_add_child(object_get_root(), "machine",
4077 OBJECT(current_machine), &error_abort);
4078 cpu_exec_init_all();
4079
4080 if (machine_class->hw_version) {
4081 qemu_set_version(machine_class->hw_version);
4082 }
4083
4084 /* Init CPU def lists, based on config
4085 * - Must be called after all the qemu_read_config_file() calls
4086 * - Must be called before list_cpus()
4087 * - Must be called before machine->init()
4088 */
4089 cpudef_init();
4090
4091 if (cpu_model && is_help_option(cpu_model)) {
4092 list_cpus(stdout, &fprintf, cpu_model);
4093 exit(0);
4094 }
4095
4096 /* Open the logfile at this point and set the log mask if necessary.
4097 */
4098 if (log_file) {
4099 qemu_set_log_filename(log_file);
4100 }
4101
4102 if (log_mask) {
4103 int mask;
4104 mask = qemu_str_to_log_mask(log_mask);
4105 if (!mask) {
4106 qemu_print_log_usage(stdout);
4107 exit(1);
4108 }
4109 qemu_set_log(mask);
4110 }
4111
4112 if (!is_daemonized()) {
4113 if (!trace_init_backends(trace_events, trace_file)) {
4114 exit(1);
4115 }
4116 }
4117
4118 /* If no data_dir is specified then try to find it relative to the
4119 executable path. */
4120 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4121 data_dir[data_dir_idx] = os_find_datadir();
4122 if (data_dir[data_dir_idx] != NULL) {
4123 data_dir_idx++;
4124 }
4125 }
4126 /* If all else fails use the install path specified when building. */
4127 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4128 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4129 }
4130
4131 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4132
4133 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4134 if (max_cpus > machine_class->max_cpus) {
4135 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4136 "supported by machine `%s' (%d)\n", max_cpus,
4137 machine_class->name, machine_class->max_cpus);
4138 exit(1);
4139 }
4140
4141 /*
4142 * Get the default machine options from the machine if it is not already
4143 * specified either by the configuration file or by the command line.
4144 */
4145 if (machine_class->default_machine_opts) {
4146 qemu_opts_set_defaults(qemu_find_opts("machine"),
4147 machine_class->default_machine_opts, 0);
4148 }
4149
4150 qemu_opts_foreach(qemu_find_opts("device"),
4151 default_driver_check, NULL, NULL);
4152 qemu_opts_foreach(qemu_find_opts("global"),
4153 default_driver_check, NULL, NULL);
4154
4155 if (!vga_model && !default_vga) {
4156 vga_interface_type = VGA_DEVICE;
4157 }
4158 if (!has_defaults || machine_class->no_serial) {
4159 default_serial = 0;
4160 }
4161 if (!has_defaults || machine_class->no_parallel) {
4162 default_parallel = 0;
4163 }
4164 if (!has_defaults || !machine_class->use_virtcon) {
4165 default_virtcon = 0;
4166 }
4167 if (!has_defaults || !machine_class->use_sclp) {
4168 default_sclp = 0;
4169 }
4170 if (!has_defaults || machine_class->no_floppy) {
4171 default_floppy = 0;
4172 }
4173 if (!has_defaults || machine_class->no_cdrom) {
4174 default_cdrom = 0;
4175 }
4176 if (!has_defaults || machine_class->no_sdcard) {
4177 default_sdcard = 0;
4178 }
4179 if (!has_defaults) {
4180 default_monitor = 0;
4181 default_net = 0;
4182 default_vga = 0;
4183 }
4184
4185 if (is_daemonized()) {
4186 /* According to documentation and historically, -nographic redirects
4187 * serial port, parallel port and monitor to stdio, which does not work
4188 * with -daemonize. We can redirect these to null instead, but since
4189 * -nographic is legacy, let's just error out.
4190 * We disallow -nographic only if all other ports are not redirected
4191 * explicitly, to not break existing legacy setups which uses
4192 * -nographic _and_ redirects all ports explicitly - this is valid
4193 * usage, -nographic is just a no-op in this case.
4194 */
4195 if (display_type == DT_NOGRAPHIC
4196 && (default_parallel || default_serial
4197 || default_monitor || default_virtcon)) {
4198 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4199 exit(1);
4200 }
4201 #ifdef CONFIG_CURSES
4202 if (display_type == DT_CURSES) {
4203 fprintf(stderr, "curses display can not be used with -daemonize\n");
4204 exit(1);
4205 }
4206 #endif
4207 }
4208
4209 if (display_type == DT_NOGRAPHIC) {
4210 if (default_parallel)
4211 add_device_config(DEV_PARALLEL, "null");
4212 if (default_serial && default_monitor) {
4213 add_device_config(DEV_SERIAL, "mon:stdio");
4214 } else if (default_virtcon && default_monitor) {
4215 add_device_config(DEV_VIRTCON, "mon:stdio");
4216 } else if (default_sclp && default_monitor) {
4217 add_device_config(DEV_SCLP, "mon:stdio");
4218 } else {
4219 if (default_serial)
4220 add_device_config(DEV_SERIAL, "stdio");
4221 if (default_virtcon)
4222 add_device_config(DEV_VIRTCON, "stdio");
4223 if (default_sclp) {
4224 add_device_config(DEV_SCLP, "stdio");
4225 }
4226 if (default_monitor)
4227 monitor_parse("stdio", "readline", false);
4228 }
4229 } else {
4230 if (default_serial)
4231 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4232 if (default_parallel)
4233 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4234 if (default_monitor)
4235 monitor_parse("vc:80Cx24C", "readline", false);
4236 if (default_virtcon)
4237 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4238 if (default_sclp) {
4239 add_device_config(DEV_SCLP, "vc:80Cx24C");
4240 }
4241 }
4242
4243 #if defined(CONFIG_VNC)
4244 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4245 display_remote++;
4246 }
4247 #endif
4248 if (display_type == DT_DEFAULT && !display_remote) {
4249 #if defined(CONFIG_GTK)
4250 display_type = DT_GTK;
4251 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4252 display_type = DT_SDL;
4253 #elif defined(CONFIG_VNC)
4254 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4255 show_vnc_port = 1;
4256 #else
4257 display_type = DT_NONE;
4258 #endif
4259 }
4260
4261 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4262 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4263 "for SDL, ignoring option\n");
4264 }
4265 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4266 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4267 "ignoring option\n");
4268 }
4269
4270 #if defined(CONFIG_GTK)
4271 if (display_type == DT_GTK) {
4272 early_gtk_display_init(request_opengl);
4273 }
4274 #endif
4275 #if defined(CONFIG_SDL)
4276 if (display_type == DT_SDL) {
4277 sdl_display_early_init(request_opengl);
4278 }
4279 #endif
4280 if (request_opengl == 1 && display_opengl == 0) {
4281 #if defined(CONFIG_OPENGL)
4282 fprintf(stderr, "OpenGL is not supported by the display.\n");
4283 #else
4284 fprintf(stderr, "QEMU was built without opengl support.\n");
4285 #endif
4286 exit(1);
4287 }
4288
4289 socket_init();
4290
4291 if (qemu_opts_foreach(qemu_find_opts("object"),
4292 object_create,
4293 object_create_initial, NULL)) {
4294 exit(1);
4295 }
4296
4297 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4298 chardev_init_func, NULL, NULL)) {
4299 exit(1);
4300 }
4301
4302 #ifdef CONFIG_VIRTFS
4303 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4304 fsdev_init_func, NULL, NULL)) {
4305 exit(1);
4306 }
4307 #endif
4308
4309 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4310 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4311 exit(1);
4312 }
4313
4314 if (qemu_opts_foreach(qemu_find_opts("device"),
4315 device_help_func, NULL, NULL)) {
4316 exit(0);
4317 }
4318
4319 if (qemu_opts_foreach(qemu_find_opts("object"),
4320 object_create,
4321 object_create_delayed, NULL)) {
4322 exit(1);
4323 }
4324
4325 machine_opts = qemu_get_machine_opts();
4326 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4327 NULL)) {
4328 object_unref(OBJECT(current_machine));
4329 exit(1);
4330 }
4331
4332 configure_accelerator(current_machine);
4333
4334 if (qtest_chrdev) {
4335 Error *local_err = NULL;
4336 qtest_init(qtest_chrdev, qtest_log, &local_err);
4337 if (local_err) {
4338 error_report_err(local_err);
4339 exit(1);
4340 }
4341 }
4342
4343 machine_opts = qemu_get_machine_opts();
4344 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4345 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4346 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4347 bios_name = qemu_opt_get(machine_opts, "firmware");
4348
4349 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4350 if (opts) {
4351 Error *local_err = NULL;
4352
4353 boot_order = qemu_opt_get(opts, "order");
4354 if (boot_order) {
4355 validate_bootdevices(boot_order, &local_err);
4356 if (local_err) {
4357 error_report_err(local_err);
4358 exit(1);
4359 }
4360 }
4361
4362 boot_once = qemu_opt_get(opts, "once");
4363 if (boot_once) {
4364 validate_bootdevices(boot_once, &local_err);
4365 if (local_err) {
4366 error_report_err(local_err);
4367 exit(1);
4368 }
4369 }
4370
4371 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4372 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4373 }
4374
4375 if (!boot_order) {
4376 boot_order = machine_class->default_boot_order;
4377 }
4378
4379 if (!kernel_cmdline) {
4380 kernel_cmdline = "";
4381 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4382 }
4383
4384 linux_boot = (kernel_filename != NULL);
4385
4386 if (!linux_boot && *kernel_cmdline != '\0') {
4387 fprintf(stderr, "-append only allowed with -kernel option\n");
4388 exit(1);
4389 }
4390
4391 if (!linux_boot && initrd_filename != NULL) {
4392 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4393 exit(1);
4394 }
4395
4396 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4397 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4398 exit(1);
4399 }
4400
4401 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4402 /* fall back to the -kernel/-append */
4403 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4404 }
4405
4406 os_set_line_buffering();
4407
4408 #ifdef CONFIG_SPICE
4409 /* spice needs the timers to be initialized by this point */
4410 qemu_spice_init();
4411 #endif
4412
4413 cpu_ticks_init();
4414 if (icount_opts) {
4415 if (kvm_enabled() || xen_enabled()) {
4416 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4417 exit(1);
4418 }
4419 configure_icount(icount_opts, &error_abort);
4420 qemu_opts_del(icount_opts);
4421 }
4422
4423 /* clean up network at qemu process termination */
4424 atexit(&net_cleanup);
4425
4426 if (net_init_clients() < 0) {
4427 exit(1);
4428 }
4429
4430 #ifdef CONFIG_TPM
4431 if (tpm_init() < 0) {
4432 exit(1);
4433 }
4434 #endif
4435
4436 /* init the bluetooth world */
4437 if (foreach_device_config(DEV_BT, bt_parse))
4438 exit(1);
4439
4440 if (!xen_enabled()) {
4441 /* On 32-bit hosts, QEMU is limited by virtual address space */
4442 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4443 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4444 exit(1);
4445 }
4446 }
4447
4448 blk_mig_init();
4449 ram_mig_init();
4450
4451 /* If the currently selected machine wishes to override the units-per-bus
4452 * property of its default HBA interface type, do so now. */
4453 if (machine_class->units_per_default_bus) {
4454 override_max_devs(machine_class->block_default_type,
4455 machine_class->units_per_default_bus);
4456 }
4457
4458 /* open the virtual block devices */
4459 if (snapshot)
4460 qemu_opts_foreach(qemu_find_opts("drive"),
4461 drive_enable_snapshot, NULL, NULL);
4462 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4463 &machine_class->block_default_type, NULL)) {
4464 exit(1);
4465 }
4466
4467 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4468 CDROM_OPTS);
4469 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4470 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4471
4472 parse_numa_opts(machine_class);
4473
4474 if (qemu_opts_foreach(qemu_find_opts("mon"),
4475 mon_init_func, NULL, NULL)) {
4476 exit(1);
4477 }
4478
4479 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4480 exit(1);
4481 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4482 exit(1);
4483 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4484 exit(1);
4485 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4486 exit(1);
4487 }
4488 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4489 exit(1);
4490
4491 /* If no default VGA is requested, the default is "none". */
4492 if (default_vga) {
4493 if (machine_class->default_display) {
4494 vga_model = machine_class->default_display;
4495 } else if (cirrus_vga_available()) {
4496 vga_model = "cirrus";
4497 } else if (vga_available()) {
4498 vga_model = "std";
4499 }
4500 }
4501 if (vga_model) {
4502 select_vgahw(vga_model);
4503 }
4504
4505 if (watchdog) {
4506 i = select_watchdog(watchdog);
4507 if (i > 0)
4508 exit (i == 1 ? 1 : 0);
4509 }
4510
4511 if (machine_class->compat_props) {
4512 qdev_prop_register_global_list(machine_class->compat_props);
4513 }
4514 qemu_add_globals();
4515
4516 qdev_machine_init();
4517
4518 current_machine->ram_size = ram_size;
4519 current_machine->maxram_size = maxram_size;
4520 current_machine->ram_slots = ram_slots;
4521 current_machine->boot_order = boot_order;
4522 current_machine->cpu_model = cpu_model;
4523
4524 machine_class->init(current_machine);
4525
4526 realtime_init();
4527
4528 audio_init();
4529
4530 cpu_synchronize_all_post_init();
4531
4532 numa_post_machine_init();
4533
4534 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4535 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4536 exit(1);
4537 }
4538
4539 /* init USB devices */
4540 if (usb_enabled()) {
4541 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4542 exit(1);
4543 }
4544
4545 /* Check if IGD GFX passthrough. */
4546 igd_gfx_passthru();
4547
4548 /* init generic devices */
4549 if (qemu_opts_foreach(qemu_find_opts("device"),
4550 device_init_func, NULL, NULL)) {
4551 exit(1);
4552 }
4553
4554 /* Did we create any drives that we failed to create a device for? */
4555 drive_check_orphaned();
4556
4557 net_check_clients();
4558
4559 if (boot_once) {
4560 Error *local_err = NULL;
4561 qemu_boot_set(boot_once, &local_err);
4562 if (local_err) {
4563 error_report("%s", error_get_pretty(local_err));
4564 exit(1);
4565 }
4566 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4567 }
4568
4569 ds = init_displaystate();
4570
4571 /* init local displays */
4572 switch (display_type) {
4573 case DT_NOGRAPHIC:
4574 (void)ds; /* avoid warning if no display is configured */
4575 break;
4576 #if defined(CONFIG_CURSES)
4577 case DT_CURSES:
4578 curses_display_init(ds, full_screen);
4579 break;
4580 #endif
4581 #if defined(CONFIG_SDL)
4582 case DT_SDL:
4583 sdl_display_init(ds, full_screen, no_frame);
4584 break;
4585 #elif defined(CONFIG_COCOA)
4586 case DT_SDL:
4587 cocoa_display_init(ds, full_screen);
4588 break;
4589 #endif
4590 #if defined(CONFIG_GTK)
4591 case DT_GTK:
4592 gtk_display_init(ds, full_screen, grab_on_hover);
4593 break;
4594 #endif
4595 default:
4596 break;
4597 }
4598
4599 /* must be after terminal init, SDL library changes signal handlers */
4600 os_setup_signal_handling();
4601
4602 #ifdef CONFIG_VNC
4603 /* init remote displays */
4604 qemu_opts_foreach(qemu_find_opts("vnc"),
4605 vnc_init_func, NULL, NULL);
4606 if (show_vnc_port) {
4607 char *ret = vnc_display_local_addr("default");
4608 printf("VNC server running on `%s'\n", ret);
4609 g_free(ret);
4610 }
4611 #endif
4612 #ifdef CONFIG_SPICE
4613 if (using_spice) {
4614 qemu_spice_display_init();
4615 }
4616 #endif
4617
4618 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4619 exit(1);
4620 }
4621
4622 qdev_machine_creation_done();
4623
4624 /* TODO: once all bus devices are qdevified, this should be done
4625 * when bus is created by qdev.c */
4626 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4627 qemu_run_machine_init_done_notifiers();
4628
4629 if (rom_check_and_register_reset() != 0) {
4630 fprintf(stderr, "rom check and register reset failed\n");
4631 exit(1);
4632 }
4633
4634 qemu_system_reset(VMRESET_SILENT);
4635 register_global_state();
4636 if (loadvm) {
4637 if (load_vmstate(loadvm) < 0) {
4638 autostart = 0;
4639 }
4640 }
4641
4642 qdev_prop_check_globals();
4643 if (vmstate_dump_file) {
4644 /* dump and exit */
4645 dump_vmstate_json_to_file(vmstate_dump_file);
4646 return 0;
4647 }
4648
4649 if (incoming) {
4650 Error *local_err = NULL;
4651 qemu_start_incoming_migration(incoming, &local_err);
4652 if (local_err) {
4653 error_report("-incoming %s: %s", incoming,
4654 error_get_pretty(local_err));
4655 error_free(local_err);
4656 exit(1);
4657 }
4658 } else if (autostart) {
4659 vm_start();
4660 }
4661
4662 os_setup_post();
4663
4664 if (is_daemonized()) {
4665 if (!trace_init_backends(trace_events, trace_file)) {
4666 exit(1);
4667 }
4668 }
4669
4670 main_loop();
4671 bdrv_close_all();
4672 pause_all_vcpus();
4673 res_free();
4674 #ifdef CONFIG_TPM
4675 tpm_cleanup();
4676 #endif
4677
4678 return 0;
4679 }
AR7 emulation for QEMU