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slirp: Fix non blocking connect for w32
[qemu/ar7.git] / vl.c
blob00e11223d760d11659416c4a34fcf297f349894e
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);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/i386/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 /* Trace unassigned memory or i/o accesses. */
196 bool trace_unassigned;
197
198 static NotifierList exit_notifiers =
199 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
200
201 static NotifierList machine_init_done_notifiers =
202 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
203
204 bool xen_allowed;
205 uint32_t xen_domid;
206 enum xen_mode xen_mode = XEN_EMULATE;
207
208 static int has_defaults = 1;
209 static int default_serial = 1;
210 static int default_parallel = 1;
211 static int default_virtcon = 1;
212 static int default_sclp = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218
219 static struct {
220 const char *driver;
221 int *flag;
222 } default_list[] = {
223 { .driver = "isa-serial", .flag = &default_serial },
224 { .driver = "isa-parallel", .flag = &default_parallel },
225 { .driver = "isa-fdc", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
231 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_sandbox_opts = {
261 .name = "sandbox",
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .desc = {
265 {
266 .name = "enable",
267 .type = QEMU_OPT_BOOL,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_trace_opts = {
274 .name = "trace",
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .desc = {
278 {
279 .name = "events",
280 .type = QEMU_OPT_STRING,
281 },{
282 .name = "file",
283 .type = QEMU_OPT_STRING,
284 },
285 { /* end of list */ }
286 },
287 };
288
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .desc = {
294 {
295 .name = "bootindex",
296 .type = QEMU_OPT_NUMBER,
297 }, {
298 .name = "romfile",
299 .type = QEMU_OPT_STRING,
300 },
301 { /* end of list */ }
302 },
303 };
304
305 static QemuOptsList qemu_machine_opts = {
306 .name = "machine",
307 .implied_opt_name = "type",
308 .merge_lists = true,
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
310 .desc = {
311 /*
312 * no elements => accept any
313 * sanity checking will happen later
314 * when setting machine properties
315 */
316 { }
317 },
318 };
319
320 static QemuOptsList qemu_boot_opts = {
321 .name = "boot-opts",
322 .implied_opt_name = "order",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .desc = {
326 {
327 .name = "order",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "once",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "menu",
334 .type = QEMU_OPT_BOOL,
335 }, {
336 .name = "splash",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
344 }, {
345 .name = "strict",
346 .type = QEMU_OPT_BOOL,
347 },
348 { /*End of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_add_fd_opts = {
353 .name = "add-fd",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .desc = {
356 {
357 .name = "fd",
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
360 },{
361 .name = "set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
364 },{
365 .name = "opaque",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
368 },
369 { /* end of list */ }
370 },
371 };
372
373 static QemuOptsList qemu_object_opts = {
374 .name = "object",
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 .desc = {
378 { }
379 },
380 };
381
382 static QemuOptsList qemu_tpmdev_opts = {
383 .name = "tpmdev",
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 .desc = {
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_realtime_opts = {
393 .name = "realtime",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .desc = {
396 {
397 .name = "mlock",
398 .type = QEMU_OPT_BOOL,
399 },
400 { /* end of list */ }
401 },
402 };
403
404 static QemuOptsList qemu_msg_opts = {
405 .name = "msg",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .desc = {
408 {
409 .name = "timestamp",
410 .type = QEMU_OPT_BOOL,
411 },
412 { /* end of list */ }
413 },
414 };
415
416 static QemuOptsList qemu_name_opts = {
417 .name = "name",
418 .implied_opt_name = "guest",
419 .merge_lists = true,
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .desc = {
422 {
423 .name = "guest",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the guest.\n"
426 "This name will be displayed in the SDL window caption.\n"
427 "The name will also be used for the VNC server",
428 }, {
429 .name = "process",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the QEMU process, as shown in top etc",
432 }, {
433 .name = "debug-threads",
434 .type = QEMU_OPT_BOOL,
435 .help = "When enabled, name the individual threads; defaults off.\n"
436 "NOTE: The thread names are for debugging and not a\n"
437 "stable API.",
438 },
439 { /* End of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_mem_opts = {
444 .name = "memory",
445 .implied_opt_name = "size",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
447 .merge_lists = true,
448 .desc = {
449 {
450 .name = "size",
451 .type = QEMU_OPT_SIZE,
452 },
453 {
454 .name = "slots",
455 .type = QEMU_OPT_NUMBER,
456 },
457 {
458 .name = "maxmem",
459 .type = QEMU_OPT_SIZE,
460 },
461 { /* end of list */ }
462 },
463 };
464
465 static QemuOptsList qemu_icount_opts = {
466 .name = "icount",
467 .implied_opt_name = "shift",
468 .merge_lists = true,
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .desc = {
471 {
472 .name = "shift",
473 .type = QEMU_OPT_STRING,
474 }, {
475 .name = "align",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "sleep",
479 .type = QEMU_OPT_BOOL,
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_semihosting_config_opts = {
486 .name = "semihosting-config",
487 .implied_opt_name = "enable",
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
489 .desc = {
490 {
491 .name = "enable",
492 .type = QEMU_OPT_BOOL,
493 }, {
494 .name = "target",
495 .type = QEMU_OPT_STRING,
496 }, {
497 .name = "arg",
498 .type = QEMU_OPT_STRING,
499 },
500 { /* end of list */ }
501 },
502 };
503
504 static QemuOptsList qemu_fw_cfg_opts = {
505 .name = "fw_cfg",
506 .implied_opt_name = "name",
507 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
508 .desc = {
509 {
510 .name = "name",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets the fw_cfg name of the blob to be inserted",
513 }, {
514 .name = "file",
515 .type = QEMU_OPT_STRING,
516 .help = "Sets the name of the file from which\n"
517 "the fw_cfg blob will be loaded",
518 },
519 { /* end of list */ }
520 },
521 };
522
523 /**
524 * Get machine options
525 *
526 * Returns: machine options (never null).
527 */
528 QemuOpts *qemu_get_machine_opts(void)
529 {
530 return qemu_find_opts_singleton("machine");
531 }
532
533 const char *qemu_get_vm_name(void)
534 {
535 return qemu_name;
536 }
537
538 static void res_free(void)
539 {
540 if (boot_splash_filedata != NULL) {
541 g_free(boot_splash_filedata);
542 boot_splash_filedata = NULL;
543 }
544 }
545
546 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 {
548 const char *driver = qemu_opt_get(opts, "driver");
549 int i;
550
551 if (!driver)
552 return 0;
553 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
554 if (strcmp(default_list[i].driver, driver) != 0)
555 continue;
556 *(default_list[i].flag) = 0;
557 }
558 return 0;
559 }
560
561 /***********************************************************/
562 /* QEMU state */
563
564 static RunState current_run_state = RUN_STATE_PRELAUNCH;
565
566 /* We use RUN_STATE_MAX but any invalid value will do */
567 static RunState vmstop_requested = RUN_STATE_MAX;
568 static QemuMutex vmstop_lock;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
581 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
582 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
584 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
585 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
586 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
587 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
588
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
593 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
596 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
602 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
604
605 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
607
608 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
609
610 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
611 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
614 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
616 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
618 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
619 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
620
621 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
622
623 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
624 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
627 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
628 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
629 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
632 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_MAX, RUN_STATE_MAX },
638 };
639
640 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
641
642 bool runstate_check(RunState state)
643 {
644 return current_run_state == state;
645 }
646
647 bool runstate_store(char *str, size_t size)
648 {
649 const char *state = RunState_lookup[current_run_state];
650 size_t len = strlen(state) + 1;
651
652 if (len > size) {
653 return false;
654 }
655 memcpy(str, state, len);
656 return true;
657 }
658
659 static void runstate_init(void)
660 {
661 const RunStateTransition *p;
662
663 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
664 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
665 runstate_valid_transitions[p->from][p->to] = true;
666 }
667
668 qemu_mutex_init(&vmstop_lock);
669 }
670
671 /* This function will abort() on invalid state transitions */
672 void runstate_set(RunState new_state)
673 {
674 assert(new_state < RUN_STATE_MAX);
675
676 if (!runstate_valid_transitions[current_run_state][new_state]) {
677 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
678 RunState_lookup[current_run_state],
679 RunState_lookup[new_state]);
680 abort();
681 }
682 trace_runstate_set(new_state);
683 current_run_state = new_state;
684 }
685
686 int runstate_is_running(void)
687 {
688 return runstate_check(RUN_STATE_RUNNING);
689 }
690
691 bool runstate_needs_reset(void)
692 {
693 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
694 runstate_check(RUN_STATE_SHUTDOWN);
695 }
696
697 StatusInfo *qmp_query_status(Error **errp)
698 {
699 StatusInfo *info = g_malloc0(sizeof(*info));
700
701 info->running = runstate_is_running();
702 info->singlestep = singlestep;
703 info->status = current_run_state;
704
705 return info;
706 }
707
708 static bool qemu_vmstop_requested(RunState *r)
709 {
710 qemu_mutex_lock(&vmstop_lock);
711 *r = vmstop_requested;
712 vmstop_requested = RUN_STATE_MAX;
713 qemu_mutex_unlock(&vmstop_lock);
714 return *r < RUN_STATE_MAX;
715 }
716
717 void qemu_system_vmstop_request_prepare(void)
718 {
719 qemu_mutex_lock(&vmstop_lock);
720 }
721
722 void qemu_system_vmstop_request(RunState state)
723 {
724 vmstop_requested = state;
725 qemu_mutex_unlock(&vmstop_lock);
726 qemu_notify_event();
727 }
728
729 void vm_start(void)
730 {
731 RunState requested;
732
733 qemu_vmstop_requested(&requested);
734 if (runstate_is_running() && requested == RUN_STATE_MAX) {
735 return;
736 }
737
738 /* Ensure that a STOP/RESUME pair of events is emitted if a
739 * vmstop request was pending. The BLOCK_IO_ERROR event, for
740 * example, according to documentation is always followed by
741 * the STOP event.
742 */
743 if (runstate_is_running()) {
744 qapi_event_send_stop(&error_abort);
745 } else {
746 cpu_enable_ticks();
747 runstate_set(RUN_STATE_RUNNING);
748 vm_state_notify(1, RUN_STATE_RUNNING);
749 resume_all_vcpus();
750 }
751
752 qapi_event_send_resume(&error_abort);
753 }
754
755
756 /***********************************************************/
757 /* real time host monotonic timer */
758
759 static time_t qemu_time(void)
760 {
761 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
762 }
763
764 /***********************************************************/
765 /* host time/date access */
766 void qemu_get_timedate(struct tm *tm, int offset)
767 {
768 time_t ti = qemu_time();
769
770 ti += offset;
771 if (rtc_date_offset == -1) {
772 if (rtc_utc)
773 gmtime_r(&ti, tm);
774 else
775 localtime_r(&ti, tm);
776 } else {
777 ti -= rtc_date_offset;
778 gmtime_r(&ti, tm);
779 }
780 }
781
782 int qemu_timedate_diff(struct tm *tm)
783 {
784 time_t seconds;
785
786 if (rtc_date_offset == -1)
787 if (rtc_utc)
788 seconds = mktimegm(tm);
789 else {
790 struct tm tmp = *tm;
791 tmp.tm_isdst = -1; /* use timezone to figure it out */
792 seconds = mktime(&tmp);
793 }
794 else
795 seconds = mktimegm(tm) + rtc_date_offset;
796
797 return seconds - qemu_time();
798 }
799
800 static void configure_rtc_date_offset(const char *startdate, int legacy)
801 {
802 time_t rtc_start_date;
803 struct tm tm;
804
805 if (!strcmp(startdate, "now") && legacy) {
806 rtc_date_offset = -1;
807 } else {
808 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
809 &tm.tm_year,
810 &tm.tm_mon,
811 &tm.tm_mday,
812 &tm.tm_hour,
813 &tm.tm_min,
814 &tm.tm_sec) == 6) {
815 /* OK */
816 } else if (sscanf(startdate, "%d-%d-%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday) == 3) {
820 tm.tm_hour = 0;
821 tm.tm_min = 0;
822 tm.tm_sec = 0;
823 } else {
824 goto date_fail;
825 }
826 tm.tm_year -= 1900;
827 tm.tm_mon--;
828 rtc_start_date = mktimegm(&tm);
829 if (rtc_start_date == -1) {
830 date_fail:
831 fprintf(stderr, "Invalid date format. Valid formats are:\n"
832 "'2006-06-17T16:01:21' or '2006-06-17'\n");
833 exit(1);
834 }
835 rtc_date_offset = qemu_time() - rtc_start_date;
836 }
837 }
838
839 static void configure_rtc(QemuOpts *opts)
840 {
841 const char *value;
842
843 value = qemu_opt_get(opts, "base");
844 if (value) {
845 if (!strcmp(value, "utc")) {
846 rtc_utc = 1;
847 } else if (!strcmp(value, "localtime")) {
848 rtc_utc = 0;
849 } else {
850 configure_rtc_date_offset(value, 0);
851 }
852 }
853 value = qemu_opt_get(opts, "clock");
854 if (value) {
855 if (!strcmp(value, "host")) {
856 rtc_clock = QEMU_CLOCK_HOST;
857 } else if (!strcmp(value, "rt")) {
858 rtc_clock = QEMU_CLOCK_REALTIME;
859 } else if (!strcmp(value, "vm")) {
860 rtc_clock = QEMU_CLOCK_VIRTUAL;
861 } else {
862 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
863 exit(1);
864 }
865 }
866 value = qemu_opt_get(opts, "driftfix");
867 if (value) {
868 if (!strcmp(value, "slew")) {
869 static GlobalProperty slew_lost_ticks[] = {
870 {
871 .driver = "mc146818rtc",
872 .property = "lost_tick_policy",
873 .value = "slew",
874 },
875 { /* end of list */ }
876 };
877
878 qdev_prop_register_global_list(slew_lost_ticks);
879 } else if (!strcmp(value, "none")) {
880 /* discard is default */
881 } else {
882 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 exit(1);
884 }
885 }
886 }
887
888 /***********************************************************/
889 /* Bluetooth support */
890 static int nb_hcis;
891 static int cur_hci;
892 static struct HCIInfo *hci_table[MAX_NICS];
893
894 struct HCIInfo *qemu_next_hci(void)
895 {
896 if (cur_hci == nb_hcis)
897 return &null_hci;
898
899 return hci_table[cur_hci++];
900 }
901
902 static int bt_hci_parse(const char *str)
903 {
904 struct HCIInfo *hci;
905 bdaddr_t bdaddr;
906
907 if (nb_hcis >= MAX_NICS) {
908 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
909 return -1;
910 }
911
912 hci = hci_init(str);
913 if (!hci)
914 return -1;
915
916 bdaddr.b[0] = 0x52;
917 bdaddr.b[1] = 0x54;
918 bdaddr.b[2] = 0x00;
919 bdaddr.b[3] = 0x12;
920 bdaddr.b[4] = 0x34;
921 bdaddr.b[5] = 0x56 + nb_hcis;
922 hci->bdaddr_set(hci, bdaddr.b);
923
924 hci_table[nb_hcis++] = hci;
925
926 return 0;
927 }
928
929 static void bt_vhci_add(int vlan_id)
930 {
931 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
932
933 if (!vlan->slave)
934 fprintf(stderr, "qemu: warning: adding a VHCI to "
935 "an empty scatternet %i\n", vlan_id);
936
937 bt_vhci_init(bt_new_hci(vlan));
938 }
939
940 static struct bt_device_s *bt_device_add(const char *opt)
941 {
942 struct bt_scatternet_s *vlan;
943 int vlan_id = 0;
944 char *endp = strstr(opt, ",vlan=");
945 int len = (endp ? endp - opt : strlen(opt)) + 1;
946 char devname[10];
947
948 pstrcpy(devname, MIN(sizeof(devname), len), opt);
949
950 if (endp) {
951 vlan_id = strtol(endp + 6, &endp, 0);
952 if (*endp) {
953 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
954 return 0;
955 }
956 }
957
958 vlan = qemu_find_bt_vlan(vlan_id);
959
960 if (!vlan->slave)
961 fprintf(stderr, "qemu: warning: adding a slave device to "
962 "an empty scatternet %i\n", vlan_id);
963
964 if (!strcmp(devname, "keyboard"))
965 return bt_keyboard_init(vlan);
966
967 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
968 return 0;
969 }
970
971 static int bt_parse(const char *opt)
972 {
973 const char *endp, *p;
974 int vlan;
975
976 if (strstart(opt, "hci", &endp)) {
977 if (!*endp || *endp == ',') {
978 if (*endp)
979 if (!strstart(endp, ",vlan=", 0))
980 opt = endp + 1;
981
982 return bt_hci_parse(opt);
983 }
984 } else if (strstart(opt, "vhci", &endp)) {
985 if (!*endp || *endp == ',') {
986 if (*endp) {
987 if (strstart(endp, ",vlan=", &p)) {
988 vlan = strtol(p, (char **) &endp, 0);
989 if (*endp) {
990 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
991 return 1;
992 }
993 } else {
994 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
995 return 1;
996 }
997 } else
998 vlan = 0;
999
1000 bt_vhci_add(vlan);
1001 return 0;
1002 }
1003 } else if (strstart(opt, "device:", &endp))
1004 return !bt_device_add(endp);
1005
1006 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1007 return 1;
1008 }
1009
1010 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1011 {
1012 /* FIXME: change this to true for 1.3 */
1013 if (qemu_opt_get_bool(opts, "enable", false)) {
1014 #ifdef CONFIG_SECCOMP
1015 if (seccomp_start() < 0) {
1016 error_report("failed to install seccomp syscall filter "
1017 "in the kernel");
1018 return -1;
1019 }
1020 #else
1021 error_report("sandboxing request but seccomp is not compiled "
1022 "into this build");
1023 return -1;
1024 #endif
1025 }
1026
1027 return 0;
1028 }
1029
1030 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1031 {
1032 const char *proc_name;
1033
1034 if (qemu_opt_get(opts, "debug-threads")) {
1035 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1036 }
1037 qemu_name = qemu_opt_get(opts, "guest");
1038
1039 proc_name = qemu_opt_get(opts, "process");
1040 if (proc_name) {
1041 os_set_proc_name(proc_name);
1042 }
1043
1044 return 0;
1045 }
1046
1047 bool defaults_enabled(void)
1048 {
1049 return has_defaults;
1050 }
1051
1052 bool usb_enabled(void)
1053 {
1054 return machine_usb(current_machine);
1055 }
1056
1057 #ifndef _WIN32
1058 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1059 {
1060 int fd, dupfd, flags;
1061 int64_t fdset_id;
1062 const char *fd_opaque = NULL;
1063 AddfdInfo *fdinfo;
1064
1065 fd = qemu_opt_get_number(opts, "fd", -1);
1066 fdset_id = qemu_opt_get_number(opts, "set", -1);
1067 fd_opaque = qemu_opt_get(opts, "opaque");
1068
1069 if (fd < 0) {
1070 error_report("fd option is required and must be non-negative");
1071 return -1;
1072 }
1073
1074 if (fd <= STDERR_FILENO) {
1075 error_report("fd cannot be a standard I/O stream");
1076 return -1;
1077 }
1078
1079 /*
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1082 */
1083 flags = fcntl(fd, F_GETFD);
1084 if (flags == -1 || (flags & FD_CLOEXEC)) {
1085 error_report("fd is not valid or already in use");
1086 return -1;
1087 }
1088
1089 if (fdset_id < 0) {
1090 error_report("set option is required and must be non-negative");
1091 return -1;
1092 }
1093
1094 #ifdef F_DUPFD_CLOEXEC
1095 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1096 #else
1097 dupfd = dup(fd);
1098 if (dupfd != -1) {
1099 qemu_set_cloexec(dupfd);
1100 }
1101 #endif
1102 if (dupfd == -1) {
1103 error_report("Error duplicating fd: %s", strerror(errno));
1104 return -1;
1105 }
1106
1107 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1108 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1109 &error_abort);
1110 g_free(fdinfo);
1111
1112 return 0;
1113 }
1114
1115 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1116 {
1117 int fd;
1118
1119 fd = qemu_opt_get_number(opts, "fd", -1);
1120 close(fd);
1121
1122 return 0;
1123 }
1124 #endif
1125
1126 /***********************************************************/
1127 /* QEMU Block devices */
1128
1129 #define HD_OPTS "media=disk"
1130 #define CDROM_OPTS "media=cdrom"
1131 #define FD_OPTS ""
1132 #define PFLASH_OPTS ""
1133 #define MTD_OPTS ""
1134 #define SD_OPTS ""
1135
1136 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1137 {
1138 BlockInterfaceType *block_default_type = opaque;
1139
1140 return drive_new(opts, *block_default_type) == NULL;
1141 }
1142
1143 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1144 {
1145 if (qemu_opt_get(opts, "snapshot") == NULL) {
1146 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1147 }
1148 return 0;
1149 }
1150
1151 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1152 int index, const char *optstr)
1153 {
1154 QemuOpts *opts;
1155 DriveInfo *dinfo;
1156
1157 if (!enable || drive_get_by_index(type, index)) {
1158 return;
1159 }
1160
1161 opts = drive_add(type, index, NULL, optstr);
1162 if (snapshot) {
1163 drive_enable_snapshot(NULL, opts, NULL);
1164 }
1165
1166 dinfo = drive_new(opts, type);
1167 if (!dinfo) {
1168 exit(1);
1169 }
1170 dinfo->is_default = true;
1171
1172 }
1173
1174 static QemuOptsList qemu_smp_opts = {
1175 .name = "smp-opts",
1176 .implied_opt_name = "cpus",
1177 .merge_lists = true,
1178 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1179 .desc = {
1180 {
1181 .name = "cpus",
1182 .type = QEMU_OPT_NUMBER,
1183 }, {
1184 .name = "sockets",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "cores",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "threads",
1191 .type = QEMU_OPT_NUMBER,
1192 }, {
1193 .name = "maxcpus",
1194 .type = QEMU_OPT_NUMBER,
1195 },
1196 { /*End of list */ }
1197 },
1198 };
1199
1200 static void smp_parse(QemuOpts *opts)
1201 {
1202 if (opts) {
1203
1204 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1205 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1206 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1207 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1208
1209 /* compute missing values, prefer sockets over cores over threads */
1210 if (cpus == 0 || sockets == 0) {
1211 sockets = sockets > 0 ? sockets : 1;
1212 cores = cores > 0 ? cores : 1;
1213 threads = threads > 0 ? threads : 1;
1214 if (cpus == 0) {
1215 cpus = cores * threads * sockets;
1216 }
1217 } else if (cores == 0) {
1218 threads = threads > 0 ? threads : 1;
1219 cores = cpus / (sockets * threads);
1220 } else if (threads == 0) {
1221 threads = cpus / (cores * sockets);
1222 } else if (sockets * cores * threads < cpus) {
1223 fprintf(stderr, "cpu topology: error: "
1224 "sockets (%u) * cores (%u) * threads (%u) < "
1225 "smp_cpus (%u)\n",
1226 sockets, cores, threads, cpus);
1227 exit(1);
1228 }
1229
1230 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1231
1232 smp_cpus = cpus;
1233 smp_cores = cores > 0 ? cores : 1;
1234 smp_threads = threads > 0 ? threads : 1;
1235
1236 }
1237
1238 if (max_cpus == 0) {
1239 max_cpus = smp_cpus;
1240 }
1241
1242 if (max_cpus > MAX_CPUMASK_BITS) {
1243 fprintf(stderr, "Unsupported number of maxcpus\n");
1244 exit(1);
1245 }
1246 if (max_cpus < smp_cpus) {
1247 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1248 exit(1);
1249 }
1250
1251 }
1252
1253 static void realtime_init(void)
1254 {
1255 if (enable_mlock) {
1256 if (os_mlock() < 0) {
1257 fprintf(stderr, "qemu: locking memory failed\n");
1258 exit(1);
1259 }
1260 }
1261 }
1262
1263
1264 static void configure_msg(QemuOpts *opts)
1265 {
1266 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1267 }
1268
1269 /***********************************************************/
1270 /* Semihosting */
1271
1272 typedef struct SemihostingConfig {
1273 bool enabled;
1274 SemihostingTarget target;
1275 const char **argv;
1276 int argc;
1277 const char *cmdline; /* concatenated argv */
1278 } SemihostingConfig;
1279
1280 static SemihostingConfig semihosting;
1281
1282 bool semihosting_enabled(void)
1283 {
1284 return semihosting.enabled;
1285 }
1286
1287 SemihostingTarget semihosting_get_target(void)
1288 {
1289 return semihosting.target;
1290 }
1291
1292 const char *semihosting_get_arg(int i)
1293 {
1294 if (i >= semihosting.argc) {
1295 return NULL;
1296 }
1297 return semihosting.argv[i];
1298 }
1299
1300 int semihosting_get_argc(void)
1301 {
1302 return semihosting.argc;
1303 }
1304
1305 const char *semihosting_get_cmdline(void)
1306 {
1307 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1308 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1309 }
1310 return semihosting.cmdline;
1311 }
1312
1313 static int add_semihosting_arg(void *opaque,
1314 const char *name, const char *val,
1315 Error **errp)
1316 {
1317 SemihostingConfig *s = opaque;
1318 if (strcmp(name, "arg") == 0) {
1319 s->argc++;
1320 /* one extra element as g_strjoinv() expects NULL-terminated array */
1321 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1322 s->argv[s->argc - 1] = val;
1323 s->argv[s->argc] = NULL;
1324 }
1325 return 0;
1326 }
1327
1328 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1329 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1330 {
1331 char *cmd_token;
1332
1333 /* argv[0] */
1334 add_semihosting_arg(&semihosting, "arg", file, NULL);
1335
1336 /* split -append and initialize argv[1..n] */
1337 cmd_token = strtok(g_strdup(cmd), " ");
1338 while (cmd_token) {
1339 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1340 cmd_token = strtok(NULL, " ");
1341 }
1342 }
1343
1344 /***********************************************************/
1345 /* USB devices */
1346
1347 static int usb_device_add(const char *devname)
1348 {
1349 USBDevice *dev = NULL;
1350 #ifndef CONFIG_LINUX
1351 const char *p;
1352 #endif
1353
1354 if (!usb_enabled()) {
1355 return -1;
1356 }
1357
1358 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1359 dev = usbdevice_create(devname);
1360 if (dev)
1361 goto done;
1362
1363 /* the other ones */
1364 #ifndef CONFIG_LINUX
1365 /* only the linux version is qdev-ified, usb-bsd still needs this */
1366 if (strstart(devname, "host:", &p)) {
1367 dev = usb_host_device_open(usb_bus_find(-1), p);
1368 }
1369 #endif
1370 if (!dev)
1371 return -1;
1372
1373 done:
1374 return 0;
1375 }
1376
1377 static int usb_device_del(const char *devname)
1378 {
1379 int bus_num, addr;
1380 const char *p;
1381
1382 if (strstart(devname, "host:", &p)) {
1383 return -1;
1384 }
1385
1386 if (!usb_enabled()) {
1387 return -1;
1388 }
1389
1390 p = strchr(devname, '.');
1391 if (!p)
1392 return -1;
1393 bus_num = strtoul(devname, NULL, 0);
1394 addr = strtoul(p + 1, NULL, 0);
1395
1396 return usb_device_delete_addr(bus_num, addr);
1397 }
1398
1399 static int usb_parse(const char *cmdline)
1400 {
1401 int r;
1402 r = usb_device_add(cmdline);
1403 if (r < 0) {
1404 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1405 }
1406 return r;
1407 }
1408
1409 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1410 {
1411 const char *devname = qdict_get_str(qdict, "devname");
1412 if (usb_device_add(devname) < 0) {
1413 error_report("could not add USB device '%s'", devname);
1414 }
1415 }
1416
1417 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1418 {
1419 const char *devname = qdict_get_str(qdict, "devname");
1420 if (usb_device_del(devname) < 0) {
1421 error_report("could not delete USB device '%s'", devname);
1422 }
1423 }
1424
1425 /***********************************************************/
1426 /* machine registration */
1427
1428 MachineState *current_machine;
1429
1430 /*
1431 * Transitional class registration/init used for converting from
1432 * legacy QEMUMachine to MachineClass.
1433 */
1434 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1435 {
1436 MachineClass *mc = MACHINE_CLASS(oc);
1437 QEMUMachine *qm = data;
1438 mc->name = qm->name;
1439 mc->desc = qm->desc;
1440 mc->init = qm->init;
1441 mc->kvm_type = qm->kvm_type;
1442 mc->block_default_type = qm->block_default_type;
1443 mc->max_cpus = qm->max_cpus;
1444 mc->no_sdcard = qm->no_sdcard;
1445 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1446 mc->is_default = qm->is_default;
1447 mc->default_machine_opts = qm->default_machine_opts;
1448 mc->default_boot_order = qm->default_boot_order;
1449 }
1450
1451 int qemu_register_machine(QEMUMachine *m)
1452 {
1453 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1454 TypeInfo ti = {
1455 .name = name,
1456 .parent = TYPE_MACHINE,
1457 .class_init = qemu_machine_class_init,
1458 .class_data = (void *)m,
1459 };
1460
1461 type_register(&ti);
1462 g_free(name);
1463
1464 return 0;
1465 }
1466
1467 static MachineClass *find_machine(const char *name)
1468 {
1469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1470 MachineClass *mc = NULL;
1471
1472 for (el = machines; el; el = el->next) {
1473 MachineClass *temp = el->data;
1474
1475 if (!strcmp(temp->name, name)) {
1476 mc = temp;
1477 break;
1478 }
1479 if (temp->alias &&
1480 !strcmp(temp->alias, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 }
1485
1486 g_slist_free(machines);
1487 return mc;
1488 }
1489
1490 MachineClass *find_default_machine(void)
1491 {
1492 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1493 MachineClass *mc = NULL;
1494
1495 for (el = machines; el; el = el->next) {
1496 MachineClass *temp = el->data;
1497
1498 if (temp->is_default) {
1499 mc = temp;
1500 break;
1501 }
1502 }
1503
1504 g_slist_free(machines);
1505 return mc;
1506 }
1507
1508 MachineInfoList *qmp_query_machines(Error **errp)
1509 {
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineInfoList *mach_list = NULL;
1512
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *mc = el->data;
1515 MachineInfoList *entry;
1516 MachineInfo *info;
1517
1518 info = g_malloc0(sizeof(*info));
1519 if (mc->is_default) {
1520 info->has_is_default = true;
1521 info->is_default = true;
1522 }
1523
1524 if (mc->alias) {
1525 info->has_alias = true;
1526 info->alias = g_strdup(mc->alias);
1527 }
1528
1529 info->name = g_strdup(mc->name);
1530 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1531
1532 entry = g_malloc0(sizeof(*entry));
1533 entry->value = info;
1534 entry->next = mach_list;
1535 mach_list = entry;
1536 }
1537
1538 g_slist_free(machines);
1539 return mach_list;
1540 }
1541
1542 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1543 {
1544 ObjectProperty *prop;
1545
1546 if (!qemu_opt_has_help_opt(opts)) {
1547 return 0;
1548 }
1549
1550 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1551 if (!prop->set) {
1552 continue;
1553 }
1554
1555 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1556 prop->name, prop->type);
1557 if (prop->description) {
1558 error_printf(" (%s)\n", prop->description);
1559 } else {
1560 error_printf("\n");
1561 }
1562 }
1563
1564 return 1;
1565 }
1566
1567 /***********************************************************/
1568 /* main execution loop */
1569
1570 struct vm_change_state_entry {
1571 VMChangeStateHandler *cb;
1572 void *opaque;
1573 QLIST_ENTRY (vm_change_state_entry) entries;
1574 };
1575
1576 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1577
1578 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1579 void *opaque)
1580 {
1581 VMChangeStateEntry *e;
1582
1583 e = g_malloc0(sizeof (*e));
1584
1585 e->cb = cb;
1586 e->opaque = opaque;
1587 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1588 return e;
1589 }
1590
1591 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1592 {
1593 QLIST_REMOVE (e, entries);
1594 g_free (e);
1595 }
1596
1597 void vm_state_notify(int running, RunState state)
1598 {
1599 VMChangeStateEntry *e, *next;
1600
1601 trace_vm_state_notify(running, state);
1602
1603 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1604 e->cb(e->opaque, running, state);
1605 }
1606 }
1607
1608 /* reset/shutdown handler */
1609
1610 typedef struct QEMUResetEntry {
1611 QTAILQ_ENTRY(QEMUResetEntry) entry;
1612 QEMUResetHandler *func;
1613 void *opaque;
1614 } QEMUResetEntry;
1615
1616 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1617 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1618 static int reset_requested;
1619 static int shutdown_requested, shutdown_signal = -1;
1620 static pid_t shutdown_pid;
1621 static int powerdown_requested;
1622 static int debug_requested;
1623 static int suspend_requested;
1624 static WakeupReason wakeup_reason;
1625 static NotifierList powerdown_notifiers =
1626 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1627 static NotifierList suspend_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1629 static NotifierList wakeup_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1631 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1632
1633 int qemu_shutdown_requested_get(void)
1634 {
1635 return shutdown_requested;
1636 }
1637
1638 int qemu_reset_requested_get(void)
1639 {
1640 return reset_requested;
1641 }
1642
1643 static int qemu_shutdown_requested(void)
1644 {
1645 return atomic_xchg(&shutdown_requested, 0);
1646 }
1647
1648 static void qemu_kill_report(void)
1649 {
1650 if (!qtest_driver() && shutdown_signal != -1) {
1651 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1652 if (shutdown_pid == 0) {
1653 /* This happens for eg ^C at the terminal, so it's worth
1654 * avoiding printing an odd message in that case.
1655 */
1656 fputc('\n', stderr);
1657 } else {
1658 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1659 }
1660 shutdown_signal = -1;
1661 }
1662 }
1663
1664 static int qemu_reset_requested(void)
1665 {
1666 int r = reset_requested;
1667 reset_requested = 0;
1668 return r;
1669 }
1670
1671 static int qemu_suspend_requested(void)
1672 {
1673 int r = suspend_requested;
1674 suspend_requested = 0;
1675 return r;
1676 }
1677
1678 static WakeupReason qemu_wakeup_requested(void)
1679 {
1680 return wakeup_reason;
1681 }
1682
1683 static int qemu_powerdown_requested(void)
1684 {
1685 int r = powerdown_requested;
1686 powerdown_requested = 0;
1687 return r;
1688 }
1689
1690 static int qemu_debug_requested(void)
1691 {
1692 int r = debug_requested;
1693 debug_requested = 0;
1694 return r;
1695 }
1696
1697 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1698 {
1699 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1700
1701 re->func = func;
1702 re->opaque = opaque;
1703 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1704 }
1705
1706 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1707 {
1708 QEMUResetEntry *re;
1709
1710 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1711 if (re->func == func && re->opaque == opaque) {
1712 QTAILQ_REMOVE(&reset_handlers, re, entry);
1713 g_free(re);
1714 return;
1715 }
1716 }
1717 }
1718
1719 void qemu_devices_reset(void)
1720 {
1721 QEMUResetEntry *re, *nre;
1722
1723 /* reset all devices */
1724 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1725 re->func(re->opaque);
1726 }
1727 }
1728
1729 void qemu_system_reset(bool report)
1730 {
1731 MachineClass *mc;
1732
1733 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1734
1735 if (mc && mc->reset) {
1736 mc->reset();
1737 } else {
1738 qemu_devices_reset();
1739 }
1740 if (report) {
1741 qapi_event_send_reset(&error_abort);
1742 }
1743 cpu_synchronize_all_post_reset();
1744 }
1745
1746 void qemu_system_reset_request(void)
1747 {
1748 if (no_reboot) {
1749 shutdown_requested = 1;
1750 } else {
1751 reset_requested = 1;
1752 }
1753 cpu_stop_current();
1754 qemu_notify_event();
1755 }
1756
1757 static void qemu_system_suspend(void)
1758 {
1759 pause_all_vcpus();
1760 notifier_list_notify(&suspend_notifiers, NULL);
1761 runstate_set(RUN_STATE_SUSPENDED);
1762 qapi_event_send_suspend(&error_abort);
1763 }
1764
1765 void qemu_system_suspend_request(void)
1766 {
1767 if (runstate_check(RUN_STATE_SUSPENDED)) {
1768 return;
1769 }
1770 suspend_requested = 1;
1771 cpu_stop_current();
1772 qemu_notify_event();
1773 }
1774
1775 void qemu_register_suspend_notifier(Notifier *notifier)
1776 {
1777 notifier_list_add(&suspend_notifiers, notifier);
1778 }
1779
1780 void qemu_system_wakeup_request(WakeupReason reason)
1781 {
1782 trace_system_wakeup_request(reason);
1783
1784 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1785 return;
1786 }
1787 if (!(wakeup_reason_mask & (1 << reason))) {
1788 return;
1789 }
1790 runstate_set(RUN_STATE_RUNNING);
1791 wakeup_reason = reason;
1792 qemu_notify_event();
1793 }
1794
1795 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1796 {
1797 if (enabled) {
1798 wakeup_reason_mask |= (1 << reason);
1799 } else {
1800 wakeup_reason_mask &= ~(1 << reason);
1801 }
1802 }
1803
1804 void qemu_register_wakeup_notifier(Notifier *notifier)
1805 {
1806 notifier_list_add(&wakeup_notifiers, notifier);
1807 }
1808
1809 void qemu_system_killed(int signal, pid_t pid)
1810 {
1811 shutdown_signal = signal;
1812 shutdown_pid = pid;
1813 no_shutdown = 0;
1814 qemu_system_shutdown_request();
1815 }
1816
1817 void qemu_system_shutdown_request(void)
1818 {
1819 trace_qemu_system_shutdown_request();
1820 shutdown_requested = 1;
1821 qemu_notify_event();
1822 }
1823
1824 static void qemu_system_powerdown(void)
1825 {
1826 qapi_event_send_powerdown(&error_abort);
1827 notifier_list_notify(&powerdown_notifiers, NULL);
1828 }
1829
1830 void qemu_system_powerdown_request(void)
1831 {
1832 trace_qemu_system_powerdown_request();
1833 powerdown_requested = 1;
1834 qemu_notify_event();
1835 }
1836
1837 void qemu_register_powerdown_notifier(Notifier *notifier)
1838 {
1839 notifier_list_add(&powerdown_notifiers, notifier);
1840 }
1841
1842 void qemu_system_debug_request(void)
1843 {
1844 debug_requested = 1;
1845 qemu_notify_event();
1846 }
1847
1848 static bool main_loop_should_exit(void)
1849 {
1850 RunState r;
1851 if (qemu_debug_requested()) {
1852 vm_stop(RUN_STATE_DEBUG);
1853 }
1854 if (qemu_suspend_requested()) {
1855 qemu_system_suspend();
1856 }
1857 if (qemu_shutdown_requested()) {
1858 qemu_kill_report();
1859 qapi_event_send_shutdown(&error_abort);
1860 if (no_shutdown) {
1861 vm_stop(RUN_STATE_SHUTDOWN);
1862 } else {
1863 return true;
1864 }
1865 }
1866 if (qemu_reset_requested()) {
1867 pause_all_vcpus();
1868 cpu_synchronize_all_states();
1869 qemu_system_reset(VMRESET_REPORT);
1870 resume_all_vcpus();
1871 if (runstate_needs_reset()) {
1872 runstate_set(RUN_STATE_PAUSED);
1873 }
1874 }
1875 if (qemu_wakeup_requested()) {
1876 pause_all_vcpus();
1877 cpu_synchronize_all_states();
1878 qemu_system_reset(VMRESET_SILENT);
1879 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1880 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1881 resume_all_vcpus();
1882 qapi_event_send_wakeup(&error_abort);
1883 }
1884 if (qemu_powerdown_requested()) {
1885 qemu_system_powerdown();
1886 }
1887 if (qemu_vmstop_requested(&r)) {
1888 vm_stop(r);
1889 }
1890 return false;
1891 }
1892
1893 static void main_loop(void)
1894 {
1895 bool nonblocking;
1896 int last_io = 0;
1897 #ifdef CONFIG_PROFILER
1898 int64_t ti;
1899 #endif
1900 do {
1901 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1902 #ifdef CONFIG_PROFILER
1903 ti = profile_getclock();
1904 #endif
1905 last_io = main_loop_wait(nonblocking);
1906 #ifdef CONFIG_PROFILER
1907 dev_time += profile_getclock() - ti;
1908 #endif
1909 } while (!main_loop_should_exit());
1910 }
1911
1912 static void version(void)
1913 {
1914 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1915 }
1916
1917 static void QEMU_NORETURN help(int exitcode)
1918 {
1919 version();
1920 printf("usage: %s [options] [disk_image]\n\n"
1921 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1922 error_get_progname());
1923
1924 #define QEMU_OPTIONS_GENERATE_HELP
1925 #include "qemu-options-wrapper.h"
1926
1927 printf("\nDuring emulation, the following keys are useful:\n"
1928 "ctrl-alt-f toggle full screen\n"
1929 "ctrl-alt-n switch to virtual console 'n'\n"
1930 "ctrl-alt toggle mouse and keyboard grab\n"
1931 "\n"
1932 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1933
1934 exit(exitcode);
1935 }
1936
1937 #define HAS_ARG 0x0001
1938
1939 typedef struct QEMUOption {
1940 const char *name;
1941 int flags;
1942 int index;
1943 uint32_t arch_mask;
1944 } QEMUOption;
1945
1946 static const QEMUOption qemu_options[] = {
1947 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1948 #define QEMU_OPTIONS_GENERATE_OPTIONS
1949 #include "qemu-options-wrapper.h"
1950 { NULL },
1951 };
1952
1953 static bool vga_available(void)
1954 {
1955 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1956 }
1957
1958 static bool cirrus_vga_available(void)
1959 {
1960 return object_class_by_name("cirrus-vga")
1961 || object_class_by_name("isa-cirrus-vga");
1962 }
1963
1964 static bool vmware_vga_available(void)
1965 {
1966 return object_class_by_name("vmware-svga");
1967 }
1968
1969 static bool qxl_vga_available(void)
1970 {
1971 return object_class_by_name("qxl-vga");
1972 }
1973
1974 static bool tcx_vga_available(void)
1975 {
1976 return object_class_by_name("SUNW,tcx");
1977 }
1978
1979 static bool cg3_vga_available(void)
1980 {
1981 return object_class_by_name("cgthree");
1982 }
1983
1984 static bool virtio_vga_available(void)
1985 {
1986 return object_class_by_name("virtio-vga");
1987 }
1988
1989 static void select_vgahw (const char *p)
1990 {
1991 const char *opts;
1992
1993 assert(vga_interface_type == VGA_NONE);
1994 if (strstart(p, "std", &opts)) {
1995 if (vga_available()) {
1996 vga_interface_type = VGA_STD;
1997 } else {
1998 fprintf(stderr, "Error: standard VGA not available\n");
1999 exit(0);
2000 }
2001 } else if (strstart(p, "cirrus", &opts)) {
2002 if (cirrus_vga_available()) {
2003 vga_interface_type = VGA_CIRRUS;
2004 } else {
2005 fprintf(stderr, "Error: Cirrus VGA not available\n");
2006 exit(0);
2007 }
2008 } else if (strstart(p, "vmware", &opts)) {
2009 if (vmware_vga_available()) {
2010 vga_interface_type = VGA_VMWARE;
2011 } else {
2012 fprintf(stderr, "Error: VMWare SVGA not available\n");
2013 exit(0);
2014 }
2015 } else if (strstart(p, "virtio", &opts)) {
2016 if (virtio_vga_available()) {
2017 vga_interface_type = VGA_VIRTIO;
2018 } else {
2019 fprintf(stderr, "Error: Virtio VGA not available\n");
2020 exit(0);
2021 }
2022 } else if (strstart(p, "xenfb", &opts)) {
2023 vga_interface_type = VGA_XENFB;
2024 } else if (strstart(p, "qxl", &opts)) {
2025 if (qxl_vga_available()) {
2026 vga_interface_type = VGA_QXL;
2027 } else {
2028 fprintf(stderr, "Error: QXL VGA not available\n");
2029 exit(0);
2030 }
2031 } else if (strstart(p, "tcx", &opts)) {
2032 if (tcx_vga_available()) {
2033 vga_interface_type = VGA_TCX;
2034 } else {
2035 fprintf(stderr, "Error: TCX framebuffer not available\n");
2036 exit(0);
2037 }
2038 } else if (strstart(p, "cg3", &opts)) {
2039 if (cg3_vga_available()) {
2040 vga_interface_type = VGA_CG3;
2041 } else {
2042 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2043 exit(0);
2044 }
2045 } else if (!strstart(p, "none", &opts)) {
2046 invalid_vga:
2047 fprintf(stderr, "Unknown vga type: %s\n", p);
2048 exit(1);
2049 }
2050 while (*opts) {
2051 const char *nextopt;
2052
2053 if (strstart(opts, ",retrace=", &nextopt)) {
2054 opts = nextopt;
2055 if (strstart(opts, "dumb", &nextopt))
2056 vga_retrace_method = VGA_RETRACE_DUMB;
2057 else if (strstart(opts, "precise", &nextopt))
2058 vga_retrace_method = VGA_RETRACE_PRECISE;
2059 else goto invalid_vga;
2060 } else goto invalid_vga;
2061 opts = nextopt;
2062 }
2063 }
2064
2065 static DisplayType select_display(const char *p)
2066 {
2067 const char *opts;
2068 DisplayType display = DT_DEFAULT;
2069
2070 if (strstart(p, "sdl", &opts)) {
2071 #ifdef CONFIG_SDL
2072 display = DT_SDL;
2073 while (*opts) {
2074 const char *nextopt;
2075
2076 if (strstart(opts, ",frame=", &nextopt)) {
2077 opts = nextopt;
2078 if (strstart(opts, "on", &nextopt)) {
2079 no_frame = 0;
2080 } else if (strstart(opts, "off", &nextopt)) {
2081 no_frame = 1;
2082 } else {
2083 goto invalid_sdl_args;
2084 }
2085 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2086 opts = nextopt;
2087 if (strstart(opts, "on", &nextopt)) {
2088 alt_grab = 1;
2089 } else if (strstart(opts, "off", &nextopt)) {
2090 alt_grab = 0;
2091 } else {
2092 goto invalid_sdl_args;
2093 }
2094 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 ctrl_grab = 1;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 ctrl_grab = 0;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else if (strstart(opts, ",window_close=", &nextopt)) {
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 no_quit = 0;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 no_quit = 1;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else if (strstart(opts, ",gl=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 request_opengl = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 request_opengl = 0;
2118 } else {
2119 goto invalid_sdl_args;
2120 }
2121 } else {
2122 invalid_sdl_args:
2123 error_report("Invalid SDL option string");
2124 exit(1);
2125 }
2126 opts = nextopt;
2127 }
2128 #else
2129 error_report("SDL support is disabled");
2130 exit(1);
2131 #endif
2132 } else if (strstart(p, "vnc", &opts)) {
2133 #ifdef CONFIG_VNC
2134 if (*opts == '=') {
2135 Error *err = NULL;
2136 if (vnc_parse(opts + 1, &err) == NULL) {
2137 error_report_err(err);
2138 exit(1);
2139 }
2140 } else {
2141 error_report("VNC requires a display argument vnc=<display>");
2142 exit(1);
2143 }
2144 #else
2145 error_report("VNC support is disabled");
2146 exit(1);
2147 #endif
2148 } else if (strstart(p, "curses", &opts)) {
2149 #ifdef CONFIG_CURSES
2150 display = DT_CURSES;
2151 #else
2152 error_report("Curses support is disabled");
2153 exit(1);
2154 #endif
2155 } else if (strstart(p, "gtk", &opts)) {
2156 #ifdef CONFIG_GTK
2157 display = DT_GTK;
2158 while (*opts) {
2159 const char *nextopt;
2160
2161 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2162 opts = nextopt;
2163 if (strstart(opts, "on", &nextopt)) {
2164 grab_on_hover = true;
2165 } else if (strstart(opts, "off", &nextopt)) {
2166 grab_on_hover = false;
2167 } else {
2168 goto invalid_gtk_args;
2169 }
2170 } else if (strstart(opts, ",gl=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "on", &nextopt)) {
2173 request_opengl = 1;
2174 } else if (strstart(opts, "off", &nextopt)) {
2175 request_opengl = 0;
2176 } else {
2177 goto invalid_gtk_args;
2178 }
2179 } else {
2180 invalid_gtk_args:
2181 error_report("Invalid GTK option string");
2182 exit(1);
2183 }
2184 opts = nextopt;
2185 }
2186 #else
2187 error_report("GTK support is disabled");
2188 exit(1);
2189 #endif
2190 } else if (strstart(p, "none", &opts)) {
2191 display = DT_NONE;
2192 } else {
2193 error_report("Unknown display type");
2194 exit(1);
2195 }
2196
2197 return display;
2198 }
2199
2200 static int balloon_parse(const char *arg)
2201 {
2202 QemuOpts *opts;
2203
2204 if (strcmp(arg, "none") == 0) {
2205 return 0;
2206 }
2207
2208 if (!strncmp(arg, "virtio", 6)) {
2209 if (arg[6] == ',') {
2210 /* have params -> parse them */
2211 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2212 false);
2213 if (!opts)
2214 return -1;
2215 } else {
2216 /* create empty opts */
2217 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2218 &error_abort);
2219 }
2220 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2221 return 0;
2222 }
2223
2224 return -1;
2225 }
2226
2227 #if defined(CONFIG_RUBY)
2228 /* Ruby interface for QEMU. See README.EXT for programming example. */
2229 #warning mit ruby
2230 #include <ruby.h>
2231
2232 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2233 {
2234 int i;
2235 for (i = 0; i < argc; i++) {
2236 argv[i] = StringValue(argv[i]);
2237 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2238 }
2239 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2240 //~ mode = 0666; /* default value */
2241 //~ }
2242 return INT2FIX(argc);
2243 }
2244
2245 void Init_qemu(void)
2246 {
2247 printf("%s\n", __func__);
2248 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2249 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2250 #if 0
2251 rb_define_method();
2252 #endif
2253 }
2254 #endif /* CONFIG_RUBY */
2255
2256 #if defined(CONFIG_DLL)
2257 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2258 {
2259 return FALSE;
2260 }
2261 #endif /* CONFIG_DLL */
2262
2263 char *qemu_find_file(int type, const char *name)
2264 {
2265 int i;
2266 const char *subdir;
2267 char *buf;
2268
2269 /* Try the name as a straight path first */
2270 if (access(name, R_OK) == 0) {
2271 trace_load_file(name, name);
2272 return g_strdup(name);
2273 }
2274
2275 switch (type) {
2276 case QEMU_FILE_TYPE_BIOS:
2277 subdir = "";
2278 break;
2279 case QEMU_FILE_TYPE_KEYMAP:
2280 subdir = "keymaps/";
2281 break;
2282 default:
2283 abort();
2284 }
2285
2286 for (i = 0; i < data_dir_idx; i++) {
2287 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2288 if (access(buf, R_OK) == 0) {
2289 trace_load_file(name, buf);
2290 return buf;
2291 }
2292 g_free(buf);
2293 }
2294 return NULL;
2295 }
2296
2297 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 gchar *buf;
2300 size_t size;
2301 const char *name, *file;
2302
2303 if (opaque == NULL) {
2304 error_report("fw_cfg device not available");
2305 return -1;
2306 }
2307 name = qemu_opt_get(opts, "name");
2308 file = qemu_opt_get(opts, "file");
2309 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2310 error_report("invalid argument value");
2311 return -1;
2312 }
2313 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2314 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2315 return -1;
2316 }
2317 if (strncmp(name, "opt/", 4) != 0) {
2318 error_report("WARNING: externally provided fw_cfg item names "
2319 "should be prefixed with \"opt/\"!");
2320 }
2321 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2322 error_report("can't load %s", file);
2323 return -1;
2324 }
2325 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2326 return 0;
2327 }
2328
2329 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2330 {
2331 return qdev_device_help(opts);
2332 }
2333
2334 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2335 {
2336 Error *err = NULL;
2337 DeviceState *dev;
2338
2339 dev = qdev_device_add(opts, &err);
2340 if (!dev) {
2341 error_report_err(err);
2342 return -1;
2343 }
2344 object_unref(OBJECT(dev));
2345 return 0;
2346 }
2347
2348 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2349 {
2350 Error *local_err = NULL;
2351
2352 qemu_chr_new_from_opts(opts, NULL, &local_err);
2353 if (local_err) {
2354 error_report_err(local_err);
2355 return -1;
2356 }
2357 return 0;
2358 }
2359
2360 #ifdef CONFIG_VIRTFS
2361 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2362 {
2363 int ret;
2364 ret = qemu_fsdev_add(opts);
2365
2366 return ret;
2367 }
2368 #endif
2369
2370 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2371 {
2372 CharDriverState *chr;
2373 const char *chardev;
2374 const char *mode;
2375 int flags;
2376
2377 mode = qemu_opt_get(opts, "mode");
2378 if (mode == NULL) {
2379 mode = "readline";
2380 }
2381 if (strcmp(mode, "readline") == 0) {
2382 flags = MONITOR_USE_READLINE;
2383 } else if (strcmp(mode, "control") == 0) {
2384 flags = MONITOR_USE_CONTROL;
2385 } else {
2386 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2387 exit(1);
2388 }
2389
2390 if (qemu_opt_get_bool(opts, "pretty", 0))
2391 flags |= MONITOR_USE_PRETTY;
2392
2393 if (qemu_opt_get_bool(opts, "default", 0))
2394 flags |= MONITOR_IS_DEFAULT;
2395
2396 chardev = qemu_opt_get(opts, "chardev");
2397 chr = qemu_chr_find(chardev);
2398 if (chr == NULL) {
2399 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2400 exit(1);
2401 }
2402
2403 qemu_chr_fe_claim_no_fail(chr);
2404 monitor_init(chr, flags);
2405 return 0;
2406 }
2407
2408 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2409 {
2410 static int monitor_device_index = 0;
2411 Error *local_err = NULL;
2412 QemuOpts *opts;
2413 const char *p;
2414 char label[32];
2415 int def = 0;
2416
2417 if (strstart(optarg, "chardev:", &p)) {
2418 snprintf(label, sizeof(label), "%s", p);
2419 } else {
2420 snprintf(label, sizeof(label), "compat_monitor%d",
2421 monitor_device_index);
2422 if (monitor_device_index == 0) {
2423 def = 1;
2424 }
2425 opts = qemu_chr_parse_compat(label, optarg);
2426 if (!opts) {
2427 fprintf(stderr, "parse error: %s\n", optarg);
2428 exit(1);
2429 }
2430 }
2431
2432 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2433 if (!opts) {
2434 error_report_err(local_err);
2435 exit(1);
2436 }
2437 qemu_opt_set(opts, "mode", mode, &error_abort);
2438 qemu_opt_set(opts, "chardev", label, &error_abort);
2439 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2440 if (def)
2441 qemu_opt_set(opts, "default", "on", &error_abort);
2442 monitor_device_index++;
2443 }
2444
2445 struct device_config {
2446 enum {
2447 DEV_USB, /* -usbdevice */
2448 DEV_BT, /* -bt */
2449 DEV_SERIAL, /* -serial */
2450 DEV_PARALLEL, /* -parallel */
2451 DEV_VIRTCON, /* -virtioconsole */
2452 DEV_DEBUGCON, /* -debugcon */
2453 DEV_GDB, /* -gdb, -s */
2454 DEV_SCLP, /* s390 sclp */
2455 } type;
2456 const char *cmdline;
2457 Location loc;
2458 QTAILQ_ENTRY(device_config) next;
2459 };
2460
2461 static QTAILQ_HEAD(, device_config) device_configs =
2462 QTAILQ_HEAD_INITIALIZER(device_configs);
2463
2464 static void add_device_config(int type, const char *cmdline)
2465 {
2466 struct device_config *conf;
2467
2468 conf = g_malloc0(sizeof(*conf));
2469 conf->type = type;
2470 conf->cmdline = cmdline;
2471 loc_save(&conf->loc);
2472 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2473 }
2474
2475 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2476 {
2477 struct device_config *conf;
2478 int rc;
2479
2480 QTAILQ_FOREACH(conf, &device_configs, next) {
2481 if (conf->type != type)
2482 continue;
2483 loc_push_restore(&conf->loc);
2484 rc = func(conf->cmdline);
2485 loc_pop(&conf->loc);
2486 if (rc) {
2487 return rc;
2488 }
2489 }
2490 return 0;
2491 }
2492
2493 static int serial_parse(const char *devname)
2494 {
2495 static int index = 0;
2496 char label[32];
2497
2498 if (strcmp(devname, "none") == 0)
2499 return 0;
2500 if (index == MAX_SERIAL_PORTS) {
2501 fprintf(stderr, "qemu: too many serial ports\n");
2502 exit(1);
2503 }
2504 snprintf(label, sizeof(label), "serial%d", index);
2505 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2506 if (!serial_hds[index]) {
2507 fprintf(stderr, "qemu: could not connect serial device"
2508 " to character backend '%s'\n", devname);
2509 return -1;
2510 }
2511 index++;
2512 return 0;
2513 }
2514
2515 static int parallel_parse(const char *devname)
2516 {
2517 static int index = 0;
2518 char label[32];
2519
2520 if (strcmp(devname, "none") == 0)
2521 return 0;
2522 if (index == MAX_PARALLEL_PORTS) {
2523 fprintf(stderr, "qemu: too many parallel ports\n");
2524 exit(1);
2525 }
2526 snprintf(label, sizeof(label), "parallel%d", index);
2527 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2528 if (!parallel_hds[index]) {
2529 fprintf(stderr, "qemu: could not connect parallel device"
2530 " to character backend '%s'\n", devname);
2531 return -1;
2532 }
2533 index++;
2534 return 0;
2535 }
2536
2537 static int virtcon_parse(const char *devname)
2538 {
2539 QemuOptsList *device = qemu_find_opts("device");
2540 static int index = 0;
2541 char label[32];
2542 QemuOpts *bus_opts, *dev_opts;
2543
2544 if (strcmp(devname, "none") == 0)
2545 return 0;
2546 if (index == MAX_VIRTIO_CONSOLES) {
2547 fprintf(stderr, "qemu: too many virtio consoles\n");
2548 exit(1);
2549 }
2550
2551 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2552 if (arch_type == QEMU_ARCH_S390X) {
2553 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2554 } else {
2555 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2556 }
2557
2558 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2559 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2560
2561 snprintf(label, sizeof(label), "virtcon%d", index);
2562 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2563 if (!virtcon_hds[index]) {
2564 fprintf(stderr, "qemu: could not connect virtio console"
2565 " to character backend '%s'\n", devname);
2566 return -1;
2567 }
2568 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2569
2570 index++;
2571 return 0;
2572 }
2573
2574 static int sclp_parse(const char *devname)
2575 {
2576 QemuOptsList *device = qemu_find_opts("device");
2577 static int index = 0;
2578 char label[32];
2579 QemuOpts *dev_opts;
2580
2581 if (strcmp(devname, "none") == 0) {
2582 return 0;
2583 }
2584 if (index == MAX_SCLP_CONSOLES) {
2585 fprintf(stderr, "qemu: too many sclp consoles\n");
2586 exit(1);
2587 }
2588
2589 assert(arch_type == QEMU_ARCH_S390X);
2590
2591 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2592 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2593
2594 snprintf(label, sizeof(label), "sclpcon%d", index);
2595 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2596 if (!sclp_hds[index]) {
2597 fprintf(stderr, "qemu: could not connect sclp console"
2598 " to character backend '%s'\n", devname);
2599 return -1;
2600 }
2601 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2602
2603 index++;
2604 return 0;
2605 }
2606
2607 static int debugcon_parse(const char *devname)
2608 {
2609 QemuOpts *opts;
2610
2611 if (!qemu_chr_new("debugcon", devname, NULL)) {
2612 exit(1);
2613 }
2614 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2615 if (!opts) {
2616 fprintf(stderr, "qemu: already have a debugcon device\n");
2617 exit(1);
2618 }
2619 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2620 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2621 return 0;
2622 }
2623
2624 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2625 {
2626 const MachineClass *mc1 = a, *mc2 = b;
2627 int res;
2628
2629 if (mc1->family == NULL) {
2630 if (mc2->family == NULL) {
2631 /* Compare standalone machine types against each other; they sort
2632 * in increasing order.
2633 */
2634 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2635 object_class_get_name(OBJECT_CLASS(mc2)));
2636 }
2637
2638 /* Standalone machine types sort after families. */
2639 return 1;
2640 }
2641
2642 if (mc2->family == NULL) {
2643 /* Families sort before standalone machine types. */
2644 return -1;
2645 }
2646
2647 /* Families sort between each other alphabetically increasingly. */
2648 res = strcmp(mc1->family, mc2->family);
2649 if (res != 0) {
2650 return res;
2651 }
2652
2653 /* Within the same family, machine types sort in decreasing order. */
2654 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2655 object_class_get_name(OBJECT_CLASS(mc1)));
2656 }
2657
2658 static MachineClass *machine_parse(const char *name)
2659 {
2660 MachineClass *mc = NULL;
2661 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2662
2663 if (name) {
2664 mc = find_machine(name);
2665 }
2666 if (mc) {
2667 g_slist_free(machines);
2668 return mc;
2669 }
2670 if (name && !is_help_option(name)) {
2671 error_report("Unsupported machine type");
2672 error_printf("Use -machine help to list supported machines!\n");
2673 } else {
2674 printf("Supported machines are:\n");
2675 machines = g_slist_sort(machines, machine_class_cmp);
2676 for (el = machines; el; el = el->next) {
2677 MachineClass *mc = el->data;
2678 if (mc->alias) {
2679 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2680 }
2681 printf("%-20s %s%s\n", mc->name, mc->desc,
2682 mc->is_default ? " (default)" : "");
2683 }
2684 }
2685
2686 g_slist_free(machines);
2687 exit(!name || !is_help_option(name));
2688 }
2689
2690 void qemu_add_exit_notifier(Notifier *notify)
2691 {
2692 notifier_list_add(&exit_notifiers, notify);
2693 }
2694
2695 void qemu_remove_exit_notifier(Notifier *notify)
2696 {
2697 notifier_remove(notify);
2698 }
2699
2700 static void qemu_run_exit_notifiers(void)
2701 {
2702 notifier_list_notify(&exit_notifiers, NULL);
2703 }
2704
2705 static bool machine_init_done;
2706
2707 void qemu_add_machine_init_done_notifier(Notifier *notify)
2708 {
2709 notifier_list_add(&machine_init_done_notifiers, notify);
2710 if (machine_init_done) {
2711 notify->notify(notify, NULL);
2712 }
2713 }
2714
2715 static void qemu_run_machine_init_done_notifiers(void)
2716 {
2717 notifier_list_notify(&machine_init_done_notifiers, NULL);
2718 machine_init_done = true;
2719 }
2720
2721 static const QEMUOption *lookup_opt(int argc, char **argv,
2722 const char **poptarg, int *poptind)
2723 {
2724 const QEMUOption *popt;
2725 int optind = *poptind;
2726 char *r = argv[optind];
2727 const char *optarg;
2728
2729 loc_set_cmdline(argv, optind, 1);
2730 optind++;
2731 /* Treat --foo the same as -foo. */
2732 if (r[1] == '-')
2733 r++;
2734 popt = qemu_options;
2735 for(;;) {
2736 if (!popt->name) {
2737 error_report("invalid option");
2738 exit(1);
2739 }
2740 if (!strcmp(popt->name, r + 1))
2741 break;
2742 popt++;
2743 }
2744 if (popt->flags & HAS_ARG) {
2745 if (optind >= argc) {
2746 error_report("requires an argument");
2747 exit(1);
2748 }
2749 optarg = argv[optind++];
2750 loc_set_cmdline(argv, optind - 2, 2);
2751 } else {
2752 optarg = NULL;
2753 }
2754
2755 *poptarg = optarg;
2756 *poptind = optind;
2757
2758 return popt;
2759 }
2760
2761 static gpointer malloc_and_trace(gsize n_bytes)
2762 {
2763 void *ptr = malloc(n_bytes);
2764 trace_g_malloc(n_bytes, ptr);
2765 return ptr;
2766 }
2767
2768 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2769 {
2770 void *ptr = realloc(mem, n_bytes);
2771 trace_g_realloc(mem, n_bytes, ptr);
2772 return ptr;
2773 }
2774
2775 static void free_and_trace(gpointer mem)
2776 {
2777 trace_g_free(mem);
2778 free(mem);
2779 }
2780
2781 static int machine_set_property(void *opaque,
2782 const char *name, const char *value,
2783 Error **errp)
2784 {
2785 Object *obj = OBJECT(opaque);
2786 Error *local_err = NULL;
2787 char *c, *qom_name;
2788
2789 if (strcmp(name, "type") == 0) {
2790 return 0;
2791 }
2792
2793 qom_name = g_strdup(name);
2794 c = qom_name;
2795 while (*c++) {
2796 if (*c == '_') {
2797 *c = '-';
2798 }
2799 }
2800
2801 object_property_parse(obj, value, qom_name, &local_err);
2802 g_free(qom_name);
2803
2804 if (local_err) {
2805 error_report_err(local_err);
2806 return -1;
2807 }
2808
2809 return 0;
2810 }
2811
2812
2813 /*
2814 * Initial object creation happens before all other
2815 * QEMU data types are created. The majority of objects
2816 * can be created at this point. The rng-egd object
2817 * cannot be created here, as it depends on the chardev
2818 * already existing.
2819 */
2820 static bool object_create_initial(const char *type)
2821 {
2822 if (g_str_equal(type, "rng-egd")) {
2823 return false;
2824 }
2825 return true;
2826 }
2827
2828
2829 /*
2830 * The remainder of object creation happens after the
2831 * creation of chardev, fsdev and device data types.
2832 */
2833 static bool object_create_delayed(const char *type)
2834 {
2835 return !object_create_initial(type);
2836 }
2837
2838
2839 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2840 {
2841 Error *err = NULL;
2842 char *type = NULL;
2843 char *id = NULL;
2844 void *dummy = NULL;
2845 OptsVisitor *ov;
2846 QDict *pdict;
2847 bool (*type_predicate)(const char *) = opaque;
2848
2849 ov = opts_visitor_new(opts);
2850 pdict = qemu_opts_to_qdict(opts, NULL);
2851
2852 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2853 if (err) {
2854 goto out;
2855 }
2856
2857 qdict_del(pdict, "qom-type");
2858 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2859 if (err) {
2860 goto out;
2861 }
2862 if (!type_predicate(type)) {
2863 goto out;
2864 }
2865
2866 qdict_del(pdict, "id");
2867 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2868 if (err) {
2869 goto out;
2870 }
2871
2872 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2873 if (err) {
2874 goto out;
2875 }
2876 visit_end_struct(opts_get_visitor(ov), &err);
2877 if (err) {
2878 qmp_object_del(id, NULL);
2879 }
2880
2881 out:
2882 opts_visitor_cleanup(ov);
2883
2884 QDECREF(pdict);
2885 g_free(id);
2886 g_free(type);
2887 g_free(dummy);
2888 if (err) {
2889 error_report_err(err);
2890 return -1;
2891 }
2892 return 0;
2893 }
2894
2895 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2896 MachineClass *mc)
2897 {
2898 uint64_t sz;
2899 const char *mem_str;
2900 const char *maxmem_str, *slots_str;
2901 const ram_addr_t default_ram_size = mc->default_ram_size;
2902 QemuOpts *opts = qemu_find_opts_singleton("memory");
2903
2904 sz = 0;
2905 mem_str = qemu_opt_get(opts, "size");
2906 if (mem_str) {
2907 if (!*mem_str) {
2908 error_report("missing 'size' option value");
2909 exit(EXIT_FAILURE);
2910 }
2911
2912 sz = qemu_opt_get_size(opts, "size", ram_size);
2913
2914 /* Fix up legacy suffix-less format */
2915 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2916 uint64_t overflow_check = sz;
2917
2918 sz <<= 20;
2919 if ((sz >> 20) != overflow_check) {
2920 error_report("too large 'size' option value");
2921 exit(EXIT_FAILURE);
2922 }
2923 }
2924 }
2925
2926 /* backward compatibility behaviour for case "-m 0" */
2927 if (sz == 0) {
2928 sz = default_ram_size;
2929 }
2930
2931 sz = QEMU_ALIGN_UP(sz, 8192);
2932 ram_size = sz;
2933 if (ram_size != sz) {
2934 error_report("ram size too large");
2935 exit(EXIT_FAILURE);
2936 }
2937
2938 /* store value for the future use */
2939 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2940 *maxram_size = ram_size;
2941
2942 maxmem_str = qemu_opt_get(opts, "maxmem");
2943 slots_str = qemu_opt_get(opts, "slots");
2944 if (maxmem_str && slots_str) {
2945 uint64_t slots;
2946
2947 sz = qemu_opt_get_size(opts, "maxmem", 0);
2948 slots = qemu_opt_get_number(opts, "slots", 0);
2949 if (sz < ram_size) {
2950 error_report("invalid value of -m option maxmem: "
2951 "maximum memory size (0x%" PRIx64 ") must be at least "
2952 "the initial memory size (0x" RAM_ADDR_FMT ")",
2953 sz, ram_size);
2954 exit(EXIT_FAILURE);
2955 } else if (sz > ram_size) {
2956 if (!slots) {
2957 error_report("invalid value of -m option: maxmem was "
2958 "specified, but no hotplug slots were specified");
2959 exit(EXIT_FAILURE);
2960 }
2961 } else if (slots) {
2962 error_report("invalid value of -m option maxmem: "
2963 "memory slots were specified but maximum memory size "
2964 "(0x%" PRIx64 ") is equal to the initial memory size "
2965 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2966 exit(EXIT_FAILURE);
2967 }
2968
2969 *maxram_size = sz;
2970 *ram_slots = slots;
2971 } else if ((!maxmem_str && slots_str) ||
2972 (maxmem_str && !slots_str)) {
2973 error_report("invalid -m option value: missing "
2974 "'%s' option", slots_str ? "maxmem" : "slots");
2975 exit(EXIT_FAILURE);
2976 }
2977 }
2978
2979 int main(int argc, char **argv)
2980 {
2981 int i;
2982 int snapshot, linux_boot;
2983 const char *initrd_filename;
2984 const char *kernel_filename, *kernel_cmdline;
2985 const char *boot_order = NULL;
2986 const char *boot_once = NULL;
2987 DisplayState *ds;
2988 int cyls, heads, secs, translation;
2989 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2990 QemuOptsList *olist;
2991 int optind;
2992 const char *optarg;
2993 const char *loadvm = NULL;
2994 MachineClass *machine_class;
2995 const char *cpu_model;
2996 const char *vga_model = NULL;
2997 const char *qtest_chrdev = NULL;
2998 const char *qtest_log = NULL;
2999 const char *pid_file = NULL;
3000 const char *incoming = NULL;
3001 #ifdef CONFIG_VNC
3002 int show_vnc_port = 0;
3003 #endif
3004 bool defconfig = true;
3005 bool userconfig = true;
3006 const char *log_mask = NULL;
3007 const char *log_file = NULL;
3008 GMemVTable mem_trace = {
3009 .malloc = malloc_and_trace,
3010 .realloc = realloc_and_trace,
3011 .free = free_and_trace,
3012 };
3013 const char *trace_events = NULL;
3014 const char *trace_file = NULL;
3015 ram_addr_t maxram_size;
3016 uint64_t ram_slots = 0;
3017 FILE *vmstate_dump_file = NULL;
3018 Error *main_loop_err = NULL;
3019 Error *err = NULL;
3020
3021 qemu_init_cpu_loop();
3022 qemu_mutex_lock_iothread();
3023
3024 atexit(qemu_run_exit_notifiers);
3025 error_set_progname(argv[0]);
3026 qemu_init_exec_dir(argv[0]);
3027
3028 g_mem_set_vtable(&mem_trace);
3029
3030 module_call_init(MODULE_INIT_QOM);
3031
3032 qemu_add_opts(&qemu_drive_opts);
3033 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3034 qemu_add_drive_opts(&qemu_common_drive_opts);
3035 qemu_add_drive_opts(&qemu_drive_opts);
3036 qemu_add_opts(&qemu_chardev_opts);
3037 qemu_add_opts(&qemu_device_opts);
3038 qemu_add_opts(&qemu_netdev_opts);
3039 qemu_add_opts(&qemu_net_opts);
3040 qemu_add_opts(&qemu_rtc_opts);
3041 qemu_add_opts(&qemu_global_opts);
3042 qemu_add_opts(&qemu_mon_opts);
3043 qemu_add_opts(&qemu_trace_opts);
3044 qemu_add_opts(&qemu_option_rom_opts);
3045 qemu_add_opts(&qemu_machine_opts);
3046 qemu_add_opts(&qemu_mem_opts);
3047 qemu_add_opts(&qemu_smp_opts);
3048 qemu_add_opts(&qemu_boot_opts);
3049 qemu_add_opts(&qemu_sandbox_opts);
3050 qemu_add_opts(&qemu_add_fd_opts);
3051 qemu_add_opts(&qemu_object_opts);
3052 qemu_add_opts(&qemu_tpmdev_opts);
3053 qemu_add_opts(&qemu_realtime_opts);
3054 qemu_add_opts(&qemu_msg_opts);
3055 qemu_add_opts(&qemu_name_opts);
3056 qemu_add_opts(&qemu_numa_opts);
3057 qemu_add_opts(&qemu_icount_opts);
3058 qemu_add_opts(&qemu_semihosting_config_opts);
3059 qemu_add_opts(&qemu_fw_cfg_opts);
3060
3061 runstate_init();
3062
3063 if (qcrypto_init(&err) < 0) {
3064 fprintf(stderr, "Cannot initialize crypto: %s\n",
3065 error_get_pretty(err));
3066 exit(1);
3067 }
3068 rtc_clock = QEMU_CLOCK_HOST;
3069
3070 QLIST_INIT (&vm_change_state_head);
3071 os_setup_early_signal_handling();
3072
3073 module_call_init(MODULE_INIT_MACHINE);
3074 machine_class = 0;
3075 optarg = strrchr(argv[0], '/');
3076 if (optarg != 0) {
3077 machine_class = find_machine(optarg + 1);
3078 }
3079 if (!machine_class) {
3080 machine_class = find_default_machine();
3081 }
3082 cpu_model = NULL;
3083 snapshot = 0;
3084 cyls = heads = secs = 0;
3085 translation = BIOS_ATA_TRANSLATION_AUTO;
3086
3087 nb_nics = 0;
3088
3089 bdrv_init_with_whitelist();
3090
3091 autostart = 1;
3092
3093 /* first pass of option parsing */
3094 optind = 1;
3095 while (optind < argc) {
3096 if (argv[optind][0] != '-') {
3097 /* disk image */
3098 optind++;
3099 } else {
3100 const QEMUOption *popt;
3101
3102 popt = lookup_opt(argc, argv, &optarg, &optind);
3103 switch (popt->index) {
3104 case QEMU_OPTION_nodefconfig:
3105 defconfig = false;
3106 break;
3107 case QEMU_OPTION_nouserconfig:
3108 userconfig = false;
3109 break;
3110 }
3111 }
3112 }
3113
3114 if (defconfig) {
3115 int ret;
3116 ret = qemu_read_default_config_files(userconfig);
3117 if (ret < 0) {
3118 exit(1);
3119 }
3120 }
3121
3122 /* second pass of option parsing */
3123 optind = 1;
3124 for(;;) {
3125 if (optind >= argc)
3126 break;
3127 if (argv[optind][0] != '-') {
3128 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3129 } else {
3130 const QEMUOption *popt;
3131
3132 popt = lookup_opt(argc, argv, &optarg, &optind);
3133 if (!(popt->arch_mask & arch_type)) {
3134 printf("Option %s not supported for this target\n", popt->name);
3135 exit(1);
3136 }
3137 switch(popt->index) {
3138 case QEMU_OPTION_no_kvm_irqchip: {
3139 olist = qemu_find_opts("machine");
3140 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3141 break;
3142 }
3143 case QEMU_OPTION_cpu:
3144 /* hw initialization will check this */
3145 cpu_model = optarg;
3146 break;
3147 case QEMU_OPTION_hda:
3148 {
3149 char buf[256];
3150 if (cyls == 0)
3151 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3152 else
3153 snprintf(buf, sizeof(buf),
3154 "%s,cyls=%d,heads=%d,secs=%d%s",
3155 HD_OPTS , cyls, heads, secs,
3156 translation == BIOS_ATA_TRANSLATION_LBA ?
3157 ",trans=lba" :
3158 translation == BIOS_ATA_TRANSLATION_NONE ?
3159 ",trans=none" : "");
3160 drive_add(IF_DEFAULT, 0, optarg, buf);
3161 break;
3162 }
3163 case QEMU_OPTION_hdb:
3164 case QEMU_OPTION_hdc:
3165 case QEMU_OPTION_hdd:
3166 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3167 HD_OPTS);
3168 break;
3169 case QEMU_OPTION_drive:
3170 if (drive_def(optarg) == NULL) {
3171 exit(1);
3172 }
3173 break;
3174 case QEMU_OPTION_set:
3175 if (qemu_set_option(optarg) != 0)
3176 exit(1);
3177 break;
3178 case QEMU_OPTION_global:
3179 if (qemu_global_option(optarg) != 0)
3180 exit(1);
3181 break;
3182 case QEMU_OPTION_mtdblock:
3183 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3184 break;
3185 case QEMU_OPTION_sd:
3186 drive_add(IF_SD, -1, optarg, SD_OPTS);
3187 break;
3188 case QEMU_OPTION_pflash:
3189 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3190 break;
3191 case QEMU_OPTION_snapshot:
3192 snapshot = 1;
3193 break;
3194 case QEMU_OPTION_hdachs:
3195 {
3196 const char *p;
3197 p = optarg;
3198 cyls = strtol(p, (char **)&p, 0);
3199 if (cyls < 1 || cyls > 16383)
3200 goto chs_fail;
3201 if (*p != ',')
3202 goto chs_fail;
3203 p++;
3204 heads = strtol(p, (char **)&p, 0);
3205 if (heads < 1 || heads > 16)
3206 goto chs_fail;
3207 if (*p != ',')
3208 goto chs_fail;
3209 p++;
3210 secs = strtol(p, (char **)&p, 0);
3211 if (secs < 1 || secs > 63)
3212 goto chs_fail;
3213 if (*p == ',') {
3214 p++;
3215 if (!strcmp(p, "large")) {
3216 translation = BIOS_ATA_TRANSLATION_LARGE;
3217 } else if (!strcmp(p, "rechs")) {
3218 translation = BIOS_ATA_TRANSLATION_RECHS;
3219 } else if (!strcmp(p, "none")) {
3220 translation = BIOS_ATA_TRANSLATION_NONE;
3221 } else if (!strcmp(p, "lba")) {
3222 translation = BIOS_ATA_TRANSLATION_LBA;
3223 } else if (!strcmp(p, "auto")) {
3224 translation = BIOS_ATA_TRANSLATION_AUTO;
3225 } else {
3226 goto chs_fail;
3227 }
3228 } else if (*p != '\0') {
3229 chs_fail:
3230 fprintf(stderr, "qemu: invalid physical CHS format\n");
3231 exit(1);
3232 }
3233 if (hda_opts != NULL) {
3234 qemu_opt_set_number(hda_opts, "cyls", cyls,
3235 &error_abort);
3236 qemu_opt_set_number(hda_opts, "heads", heads,
3237 &error_abort);
3238 qemu_opt_set_number(hda_opts, "secs", secs,
3239 &error_abort);
3240 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3241 qemu_opt_set(hda_opts, "trans", "large",
3242 &error_abort);
3243 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3244 qemu_opt_set(hda_opts, "trans", "rechs",
3245 &error_abort);
3246 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3247 qemu_opt_set(hda_opts, "trans", "lba",
3248 &error_abort);
3249 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3250 qemu_opt_set(hda_opts, "trans", "none",
3251 &error_abort);
3252 }
3253 }
3254 }
3255 break;
3256 case QEMU_OPTION_numa:
3257 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3258 optarg, true);
3259 if (!opts) {
3260 exit(1);
3261 }
3262 break;
3263 case QEMU_OPTION_display:
3264 display_type = select_display(optarg);
3265 break;
3266 case QEMU_OPTION_nographic:
3267 display_type = DT_NOGRAPHIC;
3268 break;
3269 case QEMU_OPTION_curses:
3270 #ifdef CONFIG_CURSES
3271 display_type = DT_CURSES;
3272 #else
3273 fprintf(stderr, "Curses support is disabled\n");
3274 exit(1);
3275 #endif
3276 break;
3277 case QEMU_OPTION_portrait:
3278 graphic_rotate = 90;
3279 break;
3280 case QEMU_OPTION_rotate:
3281 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3282 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3283 graphic_rotate != 180 && graphic_rotate != 270) {
3284 fprintf(stderr,
3285 "qemu: only 90, 180, 270 deg rotation is available\n");
3286 exit(1);
3287 }
3288 break;
3289 case QEMU_OPTION_kernel:
3290 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3291 &error_abort);
3292 break;
3293 case QEMU_OPTION_initrd:
3294 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3295 &error_abort);
3296 break;
3297 case QEMU_OPTION_append:
3298 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3299 &error_abort);
3300 break;
3301 case QEMU_OPTION_dtb:
3302 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3303 &error_abort);
3304 break;
3305 case QEMU_OPTION_cdrom:
3306 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3307 break;
3308 case QEMU_OPTION_boot:
3309 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3310 optarg, true);
3311 if (!opts) {
3312 exit(1);
3313 }
3314 break;
3315 case QEMU_OPTION_fda:
3316 case QEMU_OPTION_fdb:
3317 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3318 optarg, FD_OPTS);
3319 break;
3320 case QEMU_OPTION_no_fd_bootchk:
3321 fd_bootchk = 0;
3322 break;
3323 case QEMU_OPTION_netdev:
3324 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3325 exit(1);
3326 }
3327 break;
3328 case QEMU_OPTION_net:
3329 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3330 exit(1);
3331 }
3332 break;
3333 #ifdef CONFIG_LIBISCSI
3334 case QEMU_OPTION_iscsi:
3335 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3336 optarg, false);
3337 if (!opts) {
3338 exit(1);
3339 }
3340 break;
3341 #endif
3342 #ifdef CONFIG_SLIRP
3343 case QEMU_OPTION_tftp:
3344 legacy_tftp_prefix = optarg;
3345 break;
3346 case QEMU_OPTION_bootp:
3347 legacy_bootp_filename = optarg;
3348 break;
3349 case QEMU_OPTION_redir:
3350 if (net_slirp_redir(optarg) < 0)
3351 exit(1);
3352 break;
3353 #endif
3354 case QEMU_OPTION_bt:
3355 add_device_config(DEV_BT, optarg);
3356 break;
3357 case QEMU_OPTION_audio_help:
3358 AUD_help ();
3359 exit (0);
3360 break;
3361 case QEMU_OPTION_soundhw:
3362 select_soundhw (optarg);
3363 break;
3364 case QEMU_OPTION_h:
3365 help(0);
3366 break;
3367 case QEMU_OPTION_version:
3368 version();
3369 exit(0);
3370 break;
3371 case QEMU_OPTION_m:
3372 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3373 optarg, true);
3374 if (!opts) {
3375 exit(EXIT_FAILURE);
3376 }
3377 break;
3378 #ifdef CONFIG_TPM
3379 case QEMU_OPTION_tpmdev:
3380 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3381 exit(1);
3382 }
3383 break;
3384 #endif
3385 case QEMU_OPTION_mempath:
3386 mem_path = optarg;
3387 break;
3388 case QEMU_OPTION_mem_prealloc:
3389 mem_prealloc = 1;
3390 break;
3391 case QEMU_OPTION_d:
3392 log_mask = optarg;
3393 break;
3394 case QEMU_OPTION_D:
3395 log_file = optarg;
3396 break;
3397 case QEMU_OPTION_s:
3398 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3399 break;
3400 case QEMU_OPTION_gdb:
3401 add_device_config(DEV_GDB, optarg);
3402 break;
3403 case QEMU_OPTION_L:
3404 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3405 data_dir[data_dir_idx++] = optarg;
3406 }
3407 break;
3408 case QEMU_OPTION_bios:
3409 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3410 &error_abort);
3411 break;
3412 case QEMU_OPTION_singlestep:
3413 singlestep = 1;
3414 break;
3415 case QEMU_OPTION_S:
3416 autostart = 0;
3417 break;
3418 case QEMU_OPTION_k:
3419 keyboard_layout = optarg;
3420 break;
3421 case QEMU_OPTION_localtime:
3422 rtc_utc = 0;
3423 break;
3424 case QEMU_OPTION_vga:
3425 vga_model = optarg;
3426 default_vga = 0;
3427 break;
3428 case QEMU_OPTION_g:
3429 {
3430 const char *p;
3431 int w, h, depth;
3432 p = optarg;
3433 w = strtol(p, (char **)&p, 10);
3434 if (w <= 0) {
3435 graphic_error:
3436 fprintf(stderr, "qemu: invalid resolution or depth\n");
3437 exit(1);
3438 }
3439 if (*p != 'x')
3440 goto graphic_error;
3441 p++;
3442 h = strtol(p, (char **)&p, 10);
3443 if (h <= 0)
3444 goto graphic_error;
3445 if (*p == 'x') {
3446 p++;
3447 depth = strtol(p, (char **)&p, 10);
3448 if (depth != 8 && depth != 15 && depth != 16 &&
3449 depth != 24 && depth != 32)
3450 goto graphic_error;
3451 } else if (*p == '\0') {
3452 depth = graphic_depth;
3453 } else {
3454 goto graphic_error;
3455 }
3456
3457 graphic_width = w;
3458 graphic_height = h;
3459 graphic_depth = depth;
3460 }
3461 break;
3462 case QEMU_OPTION_echr:
3463 {
3464 char *r;
3465 term_escape_char = strtol(optarg, &r, 0);
3466 if (r == optarg)
3467 printf("Bad argument to echr\n");
3468 break;
3469 }
3470 case QEMU_OPTION_monitor:
3471 default_monitor = 0;
3472 if (strncmp(optarg, "none", 4)) {
3473 monitor_parse(optarg, "readline", false);
3474 }
3475 break;
3476 case QEMU_OPTION_qmp:
3477 monitor_parse(optarg, "control", false);
3478 default_monitor = 0;
3479 break;
3480 case QEMU_OPTION_qmp_pretty:
3481 monitor_parse(optarg, "control", true);
3482 default_monitor = 0;
3483 break;
3484 case QEMU_OPTION_mon:
3485 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3486 true);
3487 if (!opts) {
3488 exit(1);
3489 }
3490 default_monitor = 0;
3491 break;
3492 case QEMU_OPTION_chardev:
3493 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3494 optarg, true);
3495 if (!opts) {
3496 exit(1);
3497 }
3498 break;
3499 case QEMU_OPTION_fsdev:
3500 olist = qemu_find_opts("fsdev");
3501 if (!olist) {
3502 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3503 exit(1);
3504 }
3505 opts = qemu_opts_parse_noisily(olist, optarg, true);
3506 if (!opts) {
3507 exit(1);
3508 }
3509 break;
3510 case QEMU_OPTION_virtfs: {
3511 QemuOpts *fsdev;
3512 QemuOpts *device;
3513 const char *writeout, *sock_fd, *socket;
3514
3515 olist = qemu_find_opts("virtfs");
3516 if (!olist) {
3517 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3518 exit(1);
3519 }
3520 opts = qemu_opts_parse_noisily(olist, optarg, true);
3521 if (!opts) {
3522 exit(1);
3523 }
3524
3525 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3526 qemu_opt_get(opts, "mount_tag") == NULL) {
3527 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3528 exit(1);
3529 }
3530 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3531 qemu_opt_get(opts, "mount_tag"),
3532 1, NULL);
3533 if (!fsdev) {
3534 fprintf(stderr, "duplicate fsdev id: %s\n",
3535 qemu_opt_get(opts, "mount_tag"));
3536 exit(1);
3537 }
3538
3539 writeout = qemu_opt_get(opts, "writeout");
3540 if (writeout) {
3541 #ifdef CONFIG_SYNC_FILE_RANGE
3542 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3543 #else
3544 fprintf(stderr, "writeout=immediate not supported on "
3545 "this platform\n");
3546 exit(1);
3547 #endif
3548 }
3549 qemu_opt_set(fsdev, "fsdriver",
3550 qemu_opt_get(opts, "fsdriver"), &error_abort);
3551 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3552 &error_abort);
3553 qemu_opt_set(fsdev, "security_model",
3554 qemu_opt_get(opts, "security_model"),
3555 &error_abort);
3556 socket = qemu_opt_get(opts, "socket");
3557 if (socket) {
3558 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3559 }
3560 sock_fd = qemu_opt_get(opts, "sock_fd");
3561 if (sock_fd) {
3562 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3563 }
3564
3565 qemu_opt_set_bool(fsdev, "readonly",
3566 qemu_opt_get_bool(opts, "readonly", 0),
3567 &error_abort);
3568 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3569 &error_abort);
3570 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3571 qemu_opt_set(device, "fsdev",
3572 qemu_opt_get(opts, "mount_tag"), &error_abort);
3573 qemu_opt_set(device, "mount_tag",
3574 qemu_opt_get(opts, "mount_tag"), &error_abort);
3575 break;
3576 }
3577 case QEMU_OPTION_virtfs_synth: {
3578 QemuOpts *fsdev;
3579 QemuOpts *device;
3580
3581 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3582 1, NULL);
3583 if (!fsdev) {
3584 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3585 exit(1);
3586 }
3587 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3588
3589 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3590 &error_abort);
3591 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3592 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3593 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3594 break;
3595 }
3596 case QEMU_OPTION_serial:
3597 add_device_config(DEV_SERIAL, optarg);
3598 default_serial = 0;
3599 if (strncmp(optarg, "mon:", 4) == 0) {
3600 default_monitor = 0;
3601 }
3602 break;
3603 case QEMU_OPTION_watchdog:
3604 if (watchdog) {
3605 fprintf(stderr,
3606 "qemu: only one watchdog option may be given\n");
3607 return 1;
3608 }
3609 watchdog = optarg;
3610 break;
3611 case QEMU_OPTION_watchdog_action:
3612 if (select_watchdog_action(optarg) == -1) {
3613 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3614 exit(1);
3615 }
3616 break;
3617 case QEMU_OPTION_virtiocon:
3618 add_device_config(DEV_VIRTCON, optarg);
3619 default_virtcon = 0;
3620 if (strncmp(optarg, "mon:", 4) == 0) {
3621 default_monitor = 0;
3622 }
3623 break;
3624 case QEMU_OPTION_parallel:
3625 add_device_config(DEV_PARALLEL, optarg);
3626 default_parallel = 0;
3627 if (strncmp(optarg, "mon:", 4) == 0) {
3628 default_monitor = 0;
3629 }
3630 break;
3631 case QEMU_OPTION_debugcon:
3632 add_device_config(DEV_DEBUGCON, optarg);
3633 break;
3634 case QEMU_OPTION_loadvm:
3635 loadvm = optarg;
3636 break;
3637 case QEMU_OPTION_full_screen:
3638 full_screen = 1;
3639 break;
3640 case QEMU_OPTION_no_frame:
3641 no_frame = 1;
3642 break;
3643 case QEMU_OPTION_alt_grab:
3644 alt_grab = 1;
3645 break;
3646 case QEMU_OPTION_ctrl_grab:
3647 ctrl_grab = 1;
3648 break;
3649 case QEMU_OPTION_no_quit:
3650 no_quit = 1;
3651 break;
3652 case QEMU_OPTION_sdl:
3653 #ifdef CONFIG_SDL
3654 display_type = DT_SDL;
3655 break;
3656 #else
3657 fprintf(stderr, "SDL support is disabled\n");
3658 exit(1);
3659 #endif
3660 case QEMU_OPTION_pidfile:
3661 pid_file = optarg;
3662 break;
3663 case QEMU_OPTION_win2k_hack:
3664 win2k_install_hack = 1;
3665 break;
3666 case QEMU_OPTION_rtc_td_hack: {
3667 static GlobalProperty slew_lost_ticks[] = {
3668 {
3669 .driver = "mc146818rtc",
3670 .property = "lost_tick_policy",
3671 .value = "slew",
3672 },
3673 { /* end of list */ }
3674 };
3675
3676 qdev_prop_register_global_list(slew_lost_ticks);
3677 break;
3678 }
3679 case QEMU_OPTION_acpitable:
3680 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3681 optarg, true);
3682 if (!opts) {
3683 exit(1);
3684 }
3685 do_acpitable_option(opts);
3686 break;
3687 case QEMU_OPTION_smbios:
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3689 optarg, false);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 do_smbios_option(opts);
3694 break;
3695 case QEMU_OPTION_fwcfg:
3696 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3697 optarg, true);
3698 if (opts == NULL) {
3699 exit(1);
3700 }
3701 break;
3702 case QEMU_OPTION_enable_kvm:
3703 olist = qemu_find_opts("machine");
3704 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3705 break;
3706 case QEMU_OPTION_M:
3707 case QEMU_OPTION_machine:
3708 olist = qemu_find_opts("machine");
3709 opts = qemu_opts_parse_noisily(olist, optarg, true);
3710 if (!opts) {
3711 exit(1);
3712 }
3713 break;
3714 case QEMU_OPTION_no_kvm:
3715 olist = qemu_find_opts("machine");
3716 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3717 break;
3718 case QEMU_OPTION_no_kvm_pit: {
3719 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3720 "separately.\n");
3721 break;
3722 }
3723 case QEMU_OPTION_no_kvm_pit_reinjection: {
3724 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3725 {
3726 .driver = "kvm-pit",
3727 .property = "lost_tick_policy",
3728 .value = "discard",
3729 },
3730 { /* end of list */ }
3731 };
3732
3733 fprintf(stderr, "Warning: option deprecated, use "
3734 "lost_tick_policy property of kvm-pit instead.\n");
3735 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3736 break;
3737 }
3738 case QEMU_OPTION_usb:
3739 olist = qemu_find_opts("machine");
3740 qemu_opts_parse_noisily(olist, "usb=on", false);
3741 break;
3742 case QEMU_OPTION_usbdevice:
3743 olist = qemu_find_opts("machine");
3744 qemu_opts_parse_noisily(olist, "usb=on", false);
3745 add_device_config(DEV_USB, optarg);
3746 break;
3747 case QEMU_OPTION_device:
3748 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3749 optarg, true)) {
3750 exit(1);
3751 }
3752 break;
3753 case QEMU_OPTION_smp:
3754 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3755 optarg, true)) {
3756 exit(1);
3757 }
3758 break;
3759 case QEMU_OPTION_vnc:
3760 {
3761 #ifdef CONFIG_VNC
3762 Error *local_err = NULL;
3763
3764 if (vnc_parse(optarg, &local_err) == NULL) {
3765 error_report_err(local_err);
3766 exit(1);
3767 }
3768 #else
3769 fprintf(stderr, "VNC support is disabled\n");
3770 exit(1);
3771 #endif
3772 break;
3773 }
3774 case QEMU_OPTION_no_acpi:
3775 acpi_enabled = 0;
3776 break;
3777 case QEMU_OPTION_no_hpet:
3778 no_hpet = 1;
3779 break;
3780 case QEMU_OPTION_balloon:
3781 if (balloon_parse(optarg) < 0) {
3782 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_no_reboot:
3787 no_reboot = 1;
3788 break;
3789 case QEMU_OPTION_no_shutdown:
3790 no_shutdown = 1;
3791 break;
3792 case QEMU_OPTION_show_cursor:
3793 cursor_hide = 0;
3794 break;
3795 case QEMU_OPTION_uuid:
3796 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3797 fprintf(stderr, "Fail to parse UUID string."
3798 " Wrong format.\n");
3799 exit(1);
3800 }
3801 qemu_uuid_set = true;
3802 break;
3803 case QEMU_OPTION_option_rom:
3804 if (nb_option_roms >= MAX_OPTION_ROMS) {
3805 fprintf(stderr, "Too many option ROMs\n");
3806 exit(1);
3807 }
3808 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3809 optarg, true);
3810 if (!opts) {
3811 exit(1);
3812 }
3813 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3814 option_rom[nb_option_roms].bootindex =
3815 qemu_opt_get_number(opts, "bootindex", -1);
3816 if (!option_rom[nb_option_roms].name) {
3817 fprintf(stderr, "Option ROM file is not specified\n");
3818 exit(1);
3819 }
3820 nb_option_roms++;
3821 break;
3822 case QEMU_OPTION_semihosting:
3823 semihosting.enabled = true;
3824 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3825 break;
3826 case QEMU_OPTION_semihosting_config:
3827 semihosting.enabled = true;
3828 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3829 optarg, false);
3830 if (opts != NULL) {
3831 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3832 true);
3833 const char *target = qemu_opt_get(opts, "target");
3834 if (target != NULL) {
3835 if (strcmp("native", target) == 0) {
3836 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3837 } else if (strcmp("gdb", target) == 0) {
3838 semihosting.target = SEMIHOSTING_TARGET_GDB;
3839 } else if (strcmp("auto", target) == 0) {
3840 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3841 } else {
3842 fprintf(stderr, "Unsupported semihosting-config"
3843 " %s\n",
3844 optarg);
3845 exit(1);
3846 }
3847 } else {
3848 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3849 }
3850 /* Set semihosting argument count and vector */
3851 qemu_opt_foreach(opts, add_semihosting_arg,
3852 &semihosting, NULL);
3853 } else {
3854 fprintf(stderr, "Unsupported semihosting-config %s\n",
3855 optarg);
3856 exit(1);
3857 }
3858 break;
3859 case QEMU_OPTION_tdf:
3860 fprintf(stderr, "Warning: user space PIT time drift fix "
3861 "is no longer supported.\n");
3862 break;
3863 case QEMU_OPTION_name:
3864 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3865 optarg, true);
3866 if (!opts) {
3867 exit(1);
3868 }
3869 break;
3870 case QEMU_OPTION_prom_env:
3871 if (nb_prom_envs >= MAX_PROM_ENVS) {
3872 fprintf(stderr, "Too many prom variables\n");
3873 exit(1);
3874 }
3875 prom_envs[nb_prom_envs] = optarg;
3876 nb_prom_envs++;
3877 break;
3878 case QEMU_OPTION_old_param:
3879 old_param = 1;
3880 break;
3881 case QEMU_OPTION_clock:
3882 /* Clock options no longer exist. Keep this option for
3883 * backward compatibility.
3884 */
3885 break;
3886 case QEMU_OPTION_startdate:
3887 configure_rtc_date_offset(optarg, 1);
3888 break;
3889 case QEMU_OPTION_rtc:
3890 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3891 false);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 configure_rtc(opts);
3896 break;
3897 case QEMU_OPTION_tb_size:
3898 tcg_tb_size = strtol(optarg, NULL, 0);
3899 if (tcg_tb_size < 0) {
3900 tcg_tb_size = 0;
3901 }
3902 break;
3903 case QEMU_OPTION_icount:
3904 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3905 optarg, true);
3906 if (!icount_opts) {
3907 exit(1);
3908 }
3909 break;
3910 case QEMU_OPTION_incoming:
3911 if (!incoming) {
3912 runstate_set(RUN_STATE_INMIGRATE);
3913 }
3914 incoming = optarg;
3915 break;
3916 case QEMU_OPTION_nodefaults:
3917 has_defaults = 0;
3918 break;
3919 case QEMU_OPTION_xen_domid:
3920 if (!(xen_available())) {
3921 printf("Option %s not supported for this target\n", popt->name);
3922 exit(1);
3923 }
3924 xen_domid = atoi(optarg);
3925 break;
3926 case QEMU_OPTION_xen_create:
3927 if (!(xen_available())) {
3928 printf("Option %s not supported for this target\n", popt->name);
3929 exit(1);
3930 }
3931 xen_mode = XEN_CREATE;
3932 break;
3933 case QEMU_OPTION_xen_attach:
3934 if (!(xen_available())) {
3935 printf("Option %s not supported for this target\n", popt->name);
3936 exit(1);
3937 }
3938 xen_mode = XEN_ATTACH;
3939 break;
3940 case QEMU_OPTION_trace:
3941 {
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3943 optarg, false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 trace_events = qemu_opt_get(opts, "events");
3948 trace_file = qemu_opt_get(opts, "file");
3949 break;
3950 }
3951 case QEMU_OPTION_trace_unassigned:
3952 trace_unassigned = true;
3953 break;
3954 case QEMU_OPTION_readconfig:
3955 {
3956 int ret = qemu_read_config_file(optarg);
3957 if (ret < 0) {
3958 fprintf(stderr, "read config %s: %s\n", optarg,
3959 strerror(-ret));
3960 exit(1);
3961 }
3962 break;
3963 }
3964 case QEMU_OPTION_spice:
3965 olist = qemu_find_opts("spice");
3966 if (!olist) {
3967 fprintf(stderr, "spice is not supported by this qemu build.\n");
3968 exit(1);
3969 }
3970 opts = qemu_opts_parse_noisily(olist, optarg, false);
3971 if (!opts) {
3972 exit(1);
3973 }
3974 display_remote++;
3975 break;
3976 case QEMU_OPTION_writeconfig:
3977 {
3978 FILE *fp;
3979 if (strcmp(optarg, "-") == 0) {
3980 fp = stdout;
3981 } else {
3982 fp = fopen(optarg, "w");
3983 if (fp == NULL) {
3984 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3985 exit(1);
3986 }
3987 }
3988 qemu_config_write(fp);
3989 if (fp != stdout) {
3990 fclose(fp);
3991 }
3992 break;
3993 }
3994 case QEMU_OPTION_qtest:
3995 qtest_chrdev = optarg;
3996 break;
3997 case QEMU_OPTION_qtest_log:
3998 qtest_log = optarg;
3999 break;
4000 case QEMU_OPTION_sandbox:
4001 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4002 optarg, true);
4003 if (!opts) {
4004 exit(1);
4005 }
4006 break;
4007 case QEMU_OPTION_add_fd:
4008 #ifndef _WIN32
4009 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4010 optarg, false);
4011 if (!opts) {
4012 exit(1);
4013 }
4014 #else
4015 error_report("File descriptor passing is disabled on this "
4016 "platform");
4017 exit(1);
4018 #endif
4019 break;
4020 case QEMU_OPTION_object:
4021 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4022 optarg, true);
4023 if (!opts) {
4024 exit(1);
4025 }
4026 break;
4027 case QEMU_OPTION_realtime:
4028 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4029 optarg, false);
4030 if (!opts) {
4031 exit(1);
4032 }
4033 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4034 break;
4035 case QEMU_OPTION_msg:
4036 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4037 false);
4038 if (!opts) {
4039 exit(1);
4040 }
4041 configure_msg(opts);
4042 break;
4043 case QEMU_OPTION_dump_vmstate:
4044 if (vmstate_dump_file) {
4045 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4046 "option may be given\n");
4047 exit(1);
4048 }
4049 vmstate_dump_file = fopen(optarg, "w");
4050 if (vmstate_dump_file == NULL) {
4051 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4052 exit(1);
4053 }
4054 break;
4055 default:
4056 os_parse_cmd_args(popt->index, optarg);
4057 }
4058 }
4059 }
4060
4061 opts = qemu_get_machine_opts();
4062 optarg = qemu_opt_get(opts, "type");
4063 if (optarg) {
4064 machine_class = machine_parse(optarg);
4065 }
4066
4067 if (machine_class == NULL) {
4068 fprintf(stderr, "No machine specified, and there is no default.\n"
4069 "Use -machine help to list supported machines!\n");
4070 exit(1);
4071 }
4072
4073 set_memory_options(&ram_slots, &maxram_size, machine_class);
4074
4075 loc_set_none();
4076
4077 os_daemonize();
4078
4079 if (qemu_init_main_loop(&main_loop_err)) {
4080 error_report_err(main_loop_err);
4081 exit(1);
4082 }
4083
4084 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4085 parse_sandbox, NULL, NULL)) {
4086 exit(1);
4087 }
4088
4089 if (qemu_opts_foreach(qemu_find_opts("name"),
4090 parse_name, NULL, NULL)) {
4091 exit(1);
4092 }
4093
4094 #ifndef _WIN32
4095 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4096 parse_add_fd, NULL, NULL)) {
4097 exit(1);
4098 }
4099
4100 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4101 cleanup_add_fd, NULL, NULL)) {
4102 exit(1);
4103 }
4104 #endif
4105
4106 current_machine = MACHINE(object_new(object_class_get_name(
4107 OBJECT_CLASS(machine_class))));
4108 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4109 exit(0);
4110 }
4111 object_property_add_child(object_get_root(), "machine",
4112 OBJECT(current_machine), &error_abort);
4113 cpu_exec_init_all();
4114
4115 if (machine_class->hw_version) {
4116 qemu_set_version(machine_class->hw_version);
4117 }
4118
4119 /* Init CPU def lists, based on config
4120 * - Must be called after all the qemu_read_config_file() calls
4121 * - Must be called before list_cpus()
4122 * - Must be called before machine->init()
4123 */
4124 cpudef_init();
4125
4126 if (cpu_model && is_help_option(cpu_model)) {
4127 list_cpus(stdout, &fprintf, cpu_model);
4128 exit(0);
4129 }
4130
4131 /* Open the logfile at this point and set the log mask if necessary.
4132 */
4133 if (log_file) {
4134 qemu_set_log_filename(log_file);
4135 }
4136
4137 if (log_mask) {
4138 int mask;
4139 mask = qemu_str_to_log_mask(log_mask);
4140 if (!mask) {
4141 qemu_print_log_usage(stdout);
4142 exit(1);
4143 }
4144 qemu_set_log(mask);
4145 }
4146
4147 if (!is_daemonized()) {
4148 if (!trace_init_backends(trace_events, trace_file)) {
4149 exit(1);
4150 }
4151 }
4152
4153 /* If no data_dir is specified then try to find it relative to the
4154 executable path. */
4155 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4156 data_dir[data_dir_idx] = os_find_datadir();
4157 if (data_dir[data_dir_idx] != NULL) {
4158 data_dir_idx++;
4159 }
4160 }
4161 /* If all else fails use the install path specified when building. */
4162 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4163 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4164 }
4165
4166 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4167
4168 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4169 if (max_cpus > machine_class->max_cpus) {
4170 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4171 "supported by machine `%s' (%d)\n", max_cpus,
4172 machine_class->name, machine_class->max_cpus);
4173 exit(1);
4174 }
4175
4176 /*
4177 * Get the default machine options from the machine if it is not already
4178 * specified either by the configuration file or by the command line.
4179 */
4180 if (machine_class->default_machine_opts) {
4181 qemu_opts_set_defaults(qemu_find_opts("machine"),
4182 machine_class->default_machine_opts, 0);
4183 }
4184
4185 qemu_opts_foreach(qemu_find_opts("device"),
4186 default_driver_check, NULL, NULL);
4187 qemu_opts_foreach(qemu_find_opts("global"),
4188 default_driver_check, NULL, NULL);
4189
4190 if (!vga_model && !default_vga) {
4191 vga_interface_type = VGA_DEVICE;
4192 }
4193 if (!has_defaults || machine_class->no_serial) {
4194 default_serial = 0;
4195 }
4196 if (!has_defaults || machine_class->no_parallel) {
4197 default_parallel = 0;
4198 }
4199 if (!has_defaults || !machine_class->use_virtcon) {
4200 default_virtcon = 0;
4201 }
4202 if (!has_defaults || !machine_class->use_sclp) {
4203 default_sclp = 0;
4204 }
4205 if (!has_defaults || machine_class->no_floppy) {
4206 default_floppy = 0;
4207 }
4208 if (!has_defaults || machine_class->no_cdrom) {
4209 default_cdrom = 0;
4210 }
4211 if (!has_defaults || machine_class->no_sdcard) {
4212 default_sdcard = 0;
4213 }
4214 if (!has_defaults) {
4215 default_monitor = 0;
4216 default_net = 0;
4217 default_vga = 0;
4218 }
4219
4220 if (is_daemonized()) {
4221 /* According to documentation and historically, -nographic redirects
4222 * serial port, parallel port and monitor to stdio, which does not work
4223 * with -daemonize. We can redirect these to null instead, but since
4224 * -nographic is legacy, let's just error out.
4225 * We disallow -nographic only if all other ports are not redirected
4226 * explicitly, to not break existing legacy setups which uses
4227 * -nographic _and_ redirects all ports explicitly - this is valid
4228 * usage, -nographic is just a no-op in this case.
4229 */
4230 if (display_type == DT_NOGRAPHIC
4231 && (default_parallel || default_serial
4232 || default_monitor || default_virtcon)) {
4233 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4234 exit(1);
4235 }
4236 #ifdef CONFIG_CURSES
4237 if (display_type == DT_CURSES) {
4238 fprintf(stderr, "curses display can not be used with -daemonize\n");
4239 exit(1);
4240 }
4241 #endif
4242 }
4243
4244 if (display_type == DT_NOGRAPHIC) {
4245 if (default_parallel)
4246 add_device_config(DEV_PARALLEL, "null");
4247 if (default_serial && default_monitor) {
4248 add_device_config(DEV_SERIAL, "mon:stdio");
4249 } else if (default_virtcon && default_monitor) {
4250 add_device_config(DEV_VIRTCON, "mon:stdio");
4251 } else if (default_sclp && default_monitor) {
4252 add_device_config(DEV_SCLP, "mon:stdio");
4253 } else {
4254 if (default_serial)
4255 add_device_config(DEV_SERIAL, "stdio");
4256 if (default_virtcon)
4257 add_device_config(DEV_VIRTCON, "stdio");
4258 if (default_sclp) {
4259 add_device_config(DEV_SCLP, "stdio");
4260 }
4261 if (default_monitor)
4262 monitor_parse("stdio", "readline", false);
4263 }
4264 } else {
4265 if (default_serial)
4266 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4267 if (default_parallel)
4268 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4269 if (default_monitor)
4270 monitor_parse("vc:80Cx24C", "readline", false);
4271 if (default_virtcon)
4272 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4273 if (default_sclp) {
4274 add_device_config(DEV_SCLP, "vc:80Cx24C");
4275 }
4276 }
4277
4278 #if defined(CONFIG_VNC)
4279 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4280 display_remote++;
4281 }
4282 #endif
4283 if (display_type == DT_DEFAULT && !display_remote) {
4284 #if defined(CONFIG_GTK)
4285 display_type = DT_GTK;
4286 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4287 display_type = DT_SDL;
4288 #elif defined(CONFIG_VNC)
4289 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4290 show_vnc_port = 1;
4291 #else
4292 display_type = DT_NONE;
4293 #endif
4294 }
4295
4296 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4297 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4298 "for SDL, ignoring option\n");
4299 }
4300 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4301 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4302 "ignoring option\n");
4303 }
4304
4305 #if defined(CONFIG_GTK)
4306 if (display_type == DT_GTK) {
4307 early_gtk_display_init(request_opengl);
4308 }
4309 #endif
4310 #if defined(CONFIG_SDL)
4311 if (display_type == DT_SDL) {
4312 sdl_display_early_init(request_opengl);
4313 }
4314 #endif
4315 if (request_opengl == 1 && display_opengl == 0) {
4316 #if defined(CONFIG_OPENGL)
4317 fprintf(stderr, "OpenGL is not supported by the display.\n");
4318 #else
4319 fprintf(stderr, "QEMU was built without opengl support.\n");
4320 #endif
4321 exit(1);
4322 }
4323
4324 socket_init();
4325
4326 if (qemu_opts_foreach(qemu_find_opts("object"),
4327 object_create,
4328 object_create_initial, NULL)) {
4329 exit(1);
4330 }
4331
4332 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4333 chardev_init_func, NULL, NULL)) {
4334 exit(1);
4335 }
4336
4337 #ifdef CONFIG_VIRTFS
4338 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4339 fsdev_init_func, NULL, NULL)) {
4340 exit(1);
4341 }
4342 #endif
4343
4344 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4345 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4346 exit(1);
4347 }
4348
4349 if (qemu_opts_foreach(qemu_find_opts("device"),
4350 device_help_func, NULL, NULL)) {
4351 exit(0);
4352 }
4353
4354 if (qemu_opts_foreach(qemu_find_opts("object"),
4355 object_create,
4356 object_create_delayed, NULL)) {
4357 exit(1);
4358 }
4359
4360 machine_opts = qemu_get_machine_opts();
4361 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4362 NULL)) {
4363 object_unref(OBJECT(current_machine));
4364 exit(1);
4365 }
4366
4367 configure_accelerator(current_machine);
4368
4369 if (qtest_chrdev) {
4370 Error *local_err = NULL;
4371 qtest_init(qtest_chrdev, qtest_log, &local_err);
4372 if (local_err) {
4373 error_report_err(local_err);
4374 exit(1);
4375 }
4376 }
4377
4378 machine_opts = qemu_get_machine_opts();
4379 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4380 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4381 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4382 bios_name = qemu_opt_get(machine_opts, "firmware");
4383
4384 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4385 if (opts) {
4386 Error *local_err = NULL;
4387
4388 boot_order = qemu_opt_get(opts, "order");
4389 if (boot_order) {
4390 validate_bootdevices(boot_order, &local_err);
4391 if (local_err) {
4392 error_report_err(local_err);
4393 exit(1);
4394 }
4395 }
4396
4397 boot_once = qemu_opt_get(opts, "once");
4398 if (boot_once) {
4399 validate_bootdevices(boot_once, &local_err);
4400 if (local_err) {
4401 error_report_err(local_err);
4402 exit(1);
4403 }
4404 }
4405
4406 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4407 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4408 }
4409
4410 if (!boot_order) {
4411 boot_order = machine_class->default_boot_order;
4412 }
4413
4414 if (!kernel_cmdline) {
4415 kernel_cmdline = "";
4416 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4417 }
4418
4419 linux_boot = (kernel_filename != NULL);
4420
4421 if (!linux_boot && *kernel_cmdline != '\0') {
4422 fprintf(stderr, "-append only allowed with -kernel option\n");
4423 exit(1);
4424 }
4425
4426 if (!linux_boot && initrd_filename != NULL) {
4427 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4428 exit(1);
4429 }
4430
4431 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4432 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4433 exit(1);
4434 }
4435
4436 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4437 /* fall back to the -kernel/-append */
4438 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4439 }
4440
4441 os_set_line_buffering();
4442
4443 #ifdef CONFIG_SPICE
4444 /* spice needs the timers to be initialized by this point */
4445 qemu_spice_init();
4446 #endif
4447
4448 cpu_ticks_init();
4449 if (icount_opts) {
4450 if (kvm_enabled() || xen_enabled()) {
4451 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4452 exit(1);
4453 }
4454 configure_icount(icount_opts, &error_abort);
4455 qemu_opts_del(icount_opts);
4456 }
4457
4458 /* clean up network at qemu process termination */
4459 atexit(&net_cleanup);
4460
4461 if (net_init_clients() < 0) {
4462 exit(1);
4463 }
4464
4465 #ifdef CONFIG_TPM
4466 if (tpm_init() < 0) {
4467 exit(1);
4468 }
4469 #endif
4470
4471 /* init the bluetooth world */
4472 if (foreach_device_config(DEV_BT, bt_parse))
4473 exit(1);
4474
4475 if (!xen_enabled()) {
4476 /* On 32-bit hosts, QEMU is limited by virtual address space */
4477 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4478 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4479 exit(1);
4480 }
4481 }
4482
4483 blk_mig_init();
4484 ram_mig_init();
4485
4486 /* If the currently selected machine wishes to override the units-per-bus
4487 * property of its default HBA interface type, do so now. */
4488 if (machine_class->units_per_default_bus) {
4489 override_max_devs(machine_class->block_default_type,
4490 machine_class->units_per_default_bus);
4491 }
4492
4493 /* open the virtual block devices */
4494 if (snapshot)
4495 qemu_opts_foreach(qemu_find_opts("drive"),
4496 drive_enable_snapshot, NULL, NULL);
4497 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4498 &machine_class->block_default_type, NULL)) {
4499 exit(1);
4500 }
4501
4502 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4503 CDROM_OPTS);
4504 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4505 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4506
4507 parse_numa_opts(machine_class);
4508
4509 if (qemu_opts_foreach(qemu_find_opts("mon"),
4510 mon_init_func, NULL, NULL)) {
4511 exit(1);
4512 }
4513
4514 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4515 exit(1);
4516 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4517 exit(1);
4518 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4519 exit(1);
4520 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4521 exit(1);
4522 }
4523 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4524 exit(1);
4525
4526 /* If no default VGA is requested, the default is "none". */
4527 if (default_vga) {
4528 if (machine_class->default_display) {
4529 vga_model = machine_class->default_display;
4530 } else if (cirrus_vga_available()) {
4531 vga_model = "cirrus";
4532 } else if (vga_available()) {
4533 vga_model = "std";
4534 }
4535 }
4536 if (vga_model) {
4537 select_vgahw(vga_model);
4538 }
4539
4540 if (watchdog) {
4541 i = select_watchdog(watchdog);
4542 if (i > 0)
4543 exit (i == 1 ? 1 : 0);
4544 }
4545
4546 if (machine_class->compat_props) {
4547 qdev_prop_register_global_list(machine_class->compat_props);
4548 }
4549 qemu_add_globals();
4550
4551 qdev_machine_init();
4552
4553 current_machine->ram_size = ram_size;
4554 current_machine->maxram_size = maxram_size;
4555 current_machine->ram_slots = ram_slots;
4556 current_machine->boot_order = boot_order;
4557 current_machine->cpu_model = cpu_model;
4558
4559 machine_class->init(current_machine);
4560
4561 realtime_init();
4562
4563 audio_init();
4564
4565 cpu_synchronize_all_post_init();
4566
4567 numa_post_machine_init();
4568
4569 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4570 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4571 exit(1);
4572 }
4573
4574 /* init USB devices */
4575 if (usb_enabled()) {
4576 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4577 exit(1);
4578 }
4579
4580 /* init generic devices */
4581 if (qemu_opts_foreach(qemu_find_opts("device"),
4582 device_init_func, NULL, NULL)) {
4583 exit(1);
4584 }
4585
4586 /* Did we create any drives that we failed to create a device for? */
4587 drive_check_orphaned();
4588
4589 net_check_clients();
4590
4591 if (boot_once) {
4592 Error *local_err = NULL;
4593 qemu_boot_set(boot_once, &local_err);
4594 if (local_err) {
4595 error_report("%s", error_get_pretty(local_err));
4596 exit(1);
4597 }
4598 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4599 }
4600
4601 ds = init_displaystate();
4602
4603 /* init local displays */
4604 switch (display_type) {
4605 case DT_NOGRAPHIC:
4606 (void)ds; /* avoid warning if no display is configured */
4607 break;
4608 #if defined(CONFIG_CURSES)
4609 case DT_CURSES:
4610 curses_display_init(ds, full_screen);
4611 break;
4612 #endif
4613 #if defined(CONFIG_SDL)
4614 case DT_SDL:
4615 sdl_display_init(ds, full_screen, no_frame);
4616 break;
4617 #elif defined(CONFIG_COCOA)
4618 case DT_SDL:
4619 cocoa_display_init(ds, full_screen);
4620 break;
4621 #endif
4622 #if defined(CONFIG_GTK)
4623 case DT_GTK:
4624 gtk_display_init(ds, full_screen, grab_on_hover);
4625 break;
4626 #endif
4627 default:
4628 break;
4629 }
4630
4631 /* must be after terminal init, SDL library changes signal handlers */
4632 os_setup_signal_handling();
4633
4634 #ifdef CONFIG_VNC
4635 /* init remote displays */
4636 qemu_opts_foreach(qemu_find_opts("vnc"),
4637 vnc_init_func, NULL, NULL);
4638 if (show_vnc_port) {
4639 char *ret = vnc_display_local_addr("default");
4640 printf("VNC server running on `%s'\n", ret);
4641 g_free(ret);
4642 }
4643 #endif
4644 #ifdef CONFIG_SPICE
4645 if (using_spice) {
4646 qemu_spice_display_init();
4647 }
4648 #endif
4649
4650 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4651 exit(1);
4652 }
4653
4654 qdev_machine_creation_done();
4655
4656 /* TODO: once all bus devices are qdevified, this should be done
4657 * when bus is created by qdev.c */
4658 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4659 qemu_run_machine_init_done_notifiers();
4660
4661 if (rom_check_and_register_reset() != 0) {
4662 fprintf(stderr, "rom check and register reset failed\n");
4663 exit(1);
4664 }
4665
4666 qemu_system_reset(VMRESET_SILENT);
4667 register_global_state();
4668 if (loadvm) {
4669 if (load_vmstate(loadvm) < 0) {
4670 autostart = 0;
4671 }
4672 }
4673
4674 qdev_prop_check_globals();
4675 if (vmstate_dump_file) {
4676 /* dump and exit */
4677 dump_vmstate_json_to_file(vmstate_dump_file);
4678 return 0;
4679 }
4680
4681 if (incoming) {
4682 Error *local_err = NULL;
4683 qemu_start_incoming_migration(incoming, &local_err);
4684 if (local_err) {
4685 error_report("-incoming %s: %s", incoming,
4686 error_get_pretty(local_err));
4687 error_free(local_err);
4688 exit(1);
4689 }
4690 } else if (autostart) {
4691 vm_start();
4692 }
4693
4694 os_setup_post();
4695
4696 if (is_daemonized()) {
4697 if (!trace_init_backends(trace_events, trace_file)) {
4698 exit(1);
4699 }
4700 }
4701
4702 main_loop();
4703 bdrv_close_all();
4704 pause_all_vcpus();
4705 res_free();
4706 #ifdef CONFIG_TPM
4707 tpm_cleanup();
4708 #endif
4709
4710 return 0;
4711 }
AR7 emulation for QEMU