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chardev: new qemu_chr_be_update_read_handlers()
[qemu/ar7.git] / vl.c
bloba121a657318cd132417de05a0d2e35024e17259d
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 "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #include "sys/prctl.h"
33 #endif
34
35 #if defined(CONFIG_VDE)
36 #include <libvdeplug.h>
37 #endif
38
39 #ifdef CONFIG_SDL
40 #if defined(__APPLE__) || defined(main)
41 #include <SDL.h>
42 int qemu_main(int argc, char **argv, char **envp);
43 int main(int argc, char **argv)
44 {
45 return qemu_main(argc, argv, NULL);
46 }
47 #undef main
48 #define main qemu_main
49 #endif
50 #endif /* CONFIG_SDL */
51
52 #ifdef CONFIG_COCOA
53 #undef main
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
56
57
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
60 #include "hw/hw.h"
61 #include "hw/boards.h"
62 #include "sysemu/accel.h"
63 #include "hw/usb.h"
64 #include "hw/i386/pc.h"
65 #include "hw/isa/isa.h"
66 #include "hw/scsi/scsi.h"
67 #include "hw/bt.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/smbios/smbios.h"
70 #include "hw/acpi/acpi.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "ui/input.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "chardev/char.h"
86 #include "qemu/bitmap.h"
87 #include "qemu/log.h"
88 #include "sysemu/blockdev.h"
89 #include "hw/block/block.h"
90 #include "migration/misc.h"
91 #include "migration/snapshot.h"
92 #include "migration/global_state.h"
93 #include "sysemu/tpm.h"
94 #include "sysemu/dma.h"
95 #include "hw/audio/soundhw.h"
96 #include "audio/audio.h"
97 #include "sysemu/cpus.h"
98 #include "migration/colo.h"
99 #include "sysemu/kvm.h"
100 #include "sysemu/hax.h"
101 #include "qapi/qobject-input-visitor.h"
102 #include "qapi/qobject-input-visitor.h"
103 #include "qapi-visit.h"
104 #include "qapi/qmp/qjson.h"
105 #include "qemu/option.h"
106 #include "qemu/config-file.h"
107 #include "qemu-options.h"
108 #include "qmp-commands.h"
109 #include "qemu/main-loop.h"
110 #ifdef CONFIG_VIRTFS
111 #include "fsdev/qemu-fsdev.h"
112 #endif
113 #include "sysemu/qtest.h"
114
115 #include "disas/disas.h"
116
117
118 #include "slirp/libslirp.h"
119
120 #include "trace-root.h"
121 #include "trace/control.h"
122 #include "qemu/queue.h"
123 #include "sysemu/arch_init.h"
124
125 #include "ui/qemu-spice.h"
126 #include "qapi/string-input-visitor.h"
127 #include "qapi/opts-visitor.h"
128 #include "qom/object_interfaces.h"
129 #include "qapi-event.h"
130 #include "exec/semihost.h"
131 #include "crypto/init.h"
132 #include "sysemu/replay.h"
133 #include "qapi/qmp/qerror.h"
134 #include "sysemu/iothread.h"
135
136 #define MAX_VIRTIO_CONSOLES 1
137 #define MAX_SCLP_CONSOLES 1
138
139 static const char *data_dir[16];
140 static int data_dir_idx;
141 const char *bios_name = NULL;
142 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
143 int request_opengl = -1;
144 int display_opengl;
145 const char* keyboard_layout = NULL;
146 ram_addr_t ram_size;
147 const char *mem_path = NULL;
148 int mem_prealloc = 0; /* force preallocation of physical target memory */
149 bool enable_mlock = false;
150 int nb_nics;
151 NICInfo nd_table[MAX_NICS];
152 int autostart;
153 static int rtc_utc = 1;
154 static int rtc_date_offset = -1; /* -1 means no change */
155 QEMUClockType rtc_clock;
156 int vga_interface_type = VGA_NONE;
157 static int full_screen = 0;
158 static int no_frame = 0;
159 int no_quit = 0;
160 static bool grab_on_hover;
161 Chardev *serial_hds[MAX_SERIAL_PORTS];
162 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
163 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
164 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
165 int win2k_install_hack = 0;
166 int singlestep = 0;
167 int smp_cpus = 1;
168 int max_cpus = 1;
169 int smp_cores = 1;
170 int smp_threads = 1;
171 int acpi_enabled = 1;
172 int no_hpet = 0;
173 int fd_bootchk = 1;
174 static int no_reboot;
175 int no_shutdown = 0;
176 int cursor_hide = 1;
177 int graphic_rotate = 0;
178 const char *watchdog;
179 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
180 int nb_option_roms;
181 int old_param = 0;
182 const char *qemu_name;
183 int alt_grab = 0;
184 int ctrl_grab = 0;
185 unsigned int nb_prom_envs = 0;
186 const char *prom_envs[MAX_PROM_ENVS];
187 int boot_menu;
188 bool boot_strict;
189 uint8_t *boot_splash_filedata;
190 size_t boot_splash_filedata_size;
191 uint8_t qemu_extra_params_fw[2];
192
193 int icount_align_option;
194
195 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
196 * little-endian "wire format" described in the SMBIOS 2.6 specification.
197 */
198 QemuUUID qemu_uuid;
199 bool qemu_uuid_set;
200
201 static NotifierList exit_notifiers =
202 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
203
204 static NotifierList machine_init_done_notifiers =
205 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
206
207 bool xen_allowed;
208 uint32_t xen_domid;
209 enum xen_mode xen_mode = XEN_EMULATE;
210 bool xen_domid_restrict;
211
212 static int has_defaults = 1;
213 static int default_serial = 1;
214 static int default_parallel = 1;
215 static int default_virtcon = 1;
216 static int default_sclp = 1;
217 static int default_monitor = 1;
218 static int default_floppy = 1;
219 static int default_cdrom = 1;
220 static int default_sdcard = 1;
221 static int default_vga = 1;
222 static int default_net = 1;
223
224 static struct {
225 const char *driver;
226 int *flag;
227 } default_list[] = {
228 { .driver = "isa-serial", .flag = &default_serial },
229 { .driver = "isa-parallel", .flag = &default_parallel },
230 { .driver = "isa-fdc", .flag = &default_floppy },
231 { .driver = "floppy", .flag = &default_floppy },
232 { .driver = "ide-cd", .flag = &default_cdrom },
233 { .driver = "ide-hd", .flag = &default_cdrom },
234 { .driver = "ide-drive", .flag = &default_cdrom },
235 { .driver = "scsi-cd", .flag = &default_cdrom },
236 { .driver = "scsi-hd", .flag = &default_cdrom },
237 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
238 { .driver = "virtio-serial", .flag = &default_virtcon },
239 { .driver = "VGA", .flag = &default_vga },
240 { .driver = "isa-vga", .flag = &default_vga },
241 { .driver = "cirrus-vga", .flag = &default_vga },
242 { .driver = "isa-cirrus-vga", .flag = &default_vga },
243 { .driver = "vmware-svga", .flag = &default_vga },
244 { .driver = "qxl-vga", .flag = &default_vga },
245 { .driver = "virtio-vga", .flag = &default_vga },
246 };
247
248 static QemuOptsList qemu_rtc_opts = {
249 .name = "rtc",
250 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
251 .desc = {
252 {
253 .name = "base",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "clock",
257 .type = QEMU_OPT_STRING,
258 },{
259 .name = "driftfix",
260 .type = QEMU_OPT_STRING,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_sandbox_opts = {
267 .name = "sandbox",
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
270 .desc = {
271 {
272 .name = "enable",
273 .type = QEMU_OPT_BOOL,
274 },
275 {
276 .name = "obsolete",
277 .type = QEMU_OPT_STRING,
278 },
279 {
280 .name = "elevateprivileges",
281 .type = QEMU_OPT_STRING,
282 },
283 {
284 .name = "spawn",
285 .type = QEMU_OPT_STRING,
286 },
287 {
288 .name = "resourcecontrol",
289 .type = QEMU_OPT_STRING,
290 },
291 { /* end of list */ }
292 },
293 };
294
295 static QemuOptsList qemu_option_rom_opts = {
296 .name = "option-rom",
297 .implied_opt_name = "romfile",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
299 .desc = {
300 {
301 .name = "bootindex",
302 .type = QEMU_OPT_NUMBER,
303 }, {
304 .name = "romfile",
305 .type = QEMU_OPT_STRING,
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_machine_opts = {
312 .name = "machine",
313 .implied_opt_name = "type",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
316 .desc = {
317 /*
318 * no elements => accept any
319 * sanity checking will happen later
320 * when setting machine properties
321 */
322 { }
323 },
324 };
325
326 static QemuOptsList qemu_accel_opts = {
327 .name = "accel",
328 .implied_opt_name = "accel",
329 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
330 .merge_lists = true,
331 .desc = {
332 {
333 .name = "accel",
334 .type = QEMU_OPT_STRING,
335 .help = "Select the type of accelerator",
336 },
337 {
338 .name = "thread",
339 .type = QEMU_OPT_STRING,
340 .help = "Enable/disable multi-threaded TCG",
341 },
342 { /* end of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_boot_opts = {
347 .name = "boot-opts",
348 .implied_opt_name = "order",
349 .merge_lists = true,
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
351 .desc = {
352 {
353 .name = "order",
354 .type = QEMU_OPT_STRING,
355 }, {
356 .name = "once",
357 .type = QEMU_OPT_STRING,
358 }, {
359 .name = "menu",
360 .type = QEMU_OPT_BOOL,
361 }, {
362 .name = "splash",
363 .type = QEMU_OPT_STRING,
364 }, {
365 .name = "splash-time",
366 .type = QEMU_OPT_STRING,
367 }, {
368 .name = "reboot-timeout",
369 .type = QEMU_OPT_STRING,
370 }, {
371 .name = "strict",
372 .type = QEMU_OPT_BOOL,
373 },
374 { /*End of list */ }
375 },
376 };
377
378 static QemuOptsList qemu_add_fd_opts = {
379 .name = "add-fd",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
381 .desc = {
382 {
383 .name = "fd",
384 .type = QEMU_OPT_NUMBER,
385 .help = "file descriptor of which a duplicate is added to fd set",
386 },{
387 .name = "set",
388 .type = QEMU_OPT_NUMBER,
389 .help = "ID of the fd set to add fd to",
390 },{
391 .name = "opaque",
392 .type = QEMU_OPT_STRING,
393 .help = "free-form string used to describe fd",
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_object_opts = {
400 .name = "object",
401 .implied_opt_name = "qom-type",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
403 .desc = {
404 { }
405 },
406 };
407
408 static QemuOptsList qemu_tpmdev_opts = {
409 .name = "tpmdev",
410 .implied_opt_name = "type",
411 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
412 .desc = {
413 /* options are defined in the TPM backends */
414 { /* end of list */ }
415 },
416 };
417
418 static QemuOptsList qemu_realtime_opts = {
419 .name = "realtime",
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
421 .desc = {
422 {
423 .name = "mlock",
424 .type = QEMU_OPT_BOOL,
425 },
426 { /* end of list */ }
427 },
428 };
429
430 static QemuOptsList qemu_msg_opts = {
431 .name = "msg",
432 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
433 .desc = {
434 {
435 .name = "timestamp",
436 .type = QEMU_OPT_BOOL,
437 },
438 { /* end of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_name_opts = {
443 .name = "name",
444 .implied_opt_name = "guest",
445 .merge_lists = true,
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
447 .desc = {
448 {
449 .name = "guest",
450 .type = QEMU_OPT_STRING,
451 .help = "Sets the name of the guest.\n"
452 "This name will be displayed in the SDL window caption.\n"
453 "The name will also be used for the VNC server",
454 }, {
455 .name = "process",
456 .type = QEMU_OPT_STRING,
457 .help = "Sets the name of the QEMU process, as shown in top etc",
458 }, {
459 .name = "debug-threads",
460 .type = QEMU_OPT_BOOL,
461 .help = "When enabled, name the individual threads; defaults off.\n"
462 "NOTE: The thread names are for debugging and not a\n"
463 "stable API.",
464 },
465 { /* End of list */ }
466 },
467 };
468
469 static QemuOptsList qemu_mem_opts = {
470 .name = "memory",
471 .implied_opt_name = "size",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
473 .merge_lists = true,
474 .desc = {
475 {
476 .name = "size",
477 .type = QEMU_OPT_SIZE,
478 },
479 {
480 .name = "slots",
481 .type = QEMU_OPT_NUMBER,
482 },
483 {
484 .name = "maxmem",
485 .type = QEMU_OPT_SIZE,
486 },
487 { /* end of list */ }
488 },
489 };
490
491 static QemuOptsList qemu_icount_opts = {
492 .name = "icount",
493 .implied_opt_name = "shift",
494 .merge_lists = true,
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
496 .desc = {
497 {
498 .name = "shift",
499 .type = QEMU_OPT_STRING,
500 }, {
501 .name = "align",
502 .type = QEMU_OPT_BOOL,
503 }, {
504 .name = "sleep",
505 .type = QEMU_OPT_BOOL,
506 }, {
507 .name = "rr",
508 .type = QEMU_OPT_STRING,
509 }, {
510 .name = "rrfile",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "rrsnapshot",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_semihosting_config_opts = {
521 .name = "semihosting-config",
522 .implied_opt_name = "enable",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
524 .desc = {
525 {
526 .name = "enable",
527 .type = QEMU_OPT_BOOL,
528 }, {
529 .name = "target",
530 .type = QEMU_OPT_STRING,
531 }, {
532 .name = "arg",
533 .type = QEMU_OPT_STRING,
534 },
535 { /* end of list */ }
536 },
537 };
538
539 static QemuOptsList qemu_fw_cfg_opts = {
540 .name = "fw_cfg",
541 .implied_opt_name = "name",
542 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
543 .desc = {
544 {
545 .name = "name",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the fw_cfg name of the blob to be inserted",
548 }, {
549 .name = "file",
550 .type = QEMU_OPT_STRING,
551 .help = "Sets the name of the file from which\n"
552 "the fw_cfg blob will be loaded",
553 }, {
554 .name = "string",
555 .type = QEMU_OPT_STRING,
556 .help = "Sets content of the blob to be inserted from a string",
557 },
558 { /* end of list */ }
559 },
560 };
561
562 /**
563 * Get machine options
564 *
565 * Returns: machine options (never null).
566 */
567 QemuOpts *qemu_get_machine_opts(void)
568 {
569 return qemu_find_opts_singleton("machine");
570 }
571
572 const char *qemu_get_vm_name(void)
573 {
574 return qemu_name;
575 }
576
577 static void res_free(void)
578 {
579 g_free(boot_splash_filedata);
580 boot_splash_filedata = NULL;
581 }
582
583 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
584 {
585 const char *driver = qemu_opt_get(opts, "driver");
586 int i;
587
588 if (!driver)
589 return 0;
590 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
591 if (strcmp(default_list[i].driver, driver) != 0)
592 continue;
593 *(default_list[i].flag) = 0;
594 }
595 return 0;
596 }
597
598 /***********************************************************/
599 /* QEMU state */
600
601 static RunState current_run_state = RUN_STATE_PRELAUNCH;
602
603 /* We use RUN_STATE__MAX but any invalid value will do */
604 static RunState vmstop_requested = RUN_STATE__MAX;
605 static QemuMutex vmstop_lock;
606
607 typedef struct {
608 RunState from;
609 RunState to;
610 } RunStateTransition;
611
612 static const RunStateTransition runstate_transitions_def[] = {
613 /* from -> to */
614 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
615 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
617
618 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
619 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
620 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
621 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
622 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
623 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
625 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
626 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
628 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
629 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
630
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
632 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
636 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
638
639 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
640 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
641 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
642 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
643 { RUN_STATE_PAUSED, RUN_STATE_COLO},
644
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
646 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
648
649 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
650 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
651 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
652
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
656 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
657 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
658
659 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
660 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
661
662 { RUN_STATE_COLO, RUN_STATE_RUNNING },
663
664 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
665 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
666 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
667 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
668 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
669 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
670 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
671 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
672 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
673 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
674 { RUN_STATE_RUNNING, RUN_STATE_COLO},
675
676 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
677
678 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
679 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
680 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
681
682 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
683 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
684 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
685 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
686 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
687 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
688
689 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
690 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
691 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
692 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
693
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
695 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
696 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
697
698 { RUN_STATE__MAX, RUN_STATE__MAX },
699 };
700
701 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
702
703 bool runstate_check(RunState state)
704 {
705 return current_run_state == state;
706 }
707
708 bool runstate_store(char *str, size_t size)
709 {
710 const char *state = RunState_str(current_run_state);
711 size_t len = strlen(state) + 1;
712
713 if (len > size) {
714 return false;
715 }
716 memcpy(str, state, len);
717 return true;
718 }
719
720 static void runstate_init(void)
721 {
722 const RunStateTransition *p;
723
724 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
725 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
726 runstate_valid_transitions[p->from][p->to] = true;
727 }
728
729 qemu_mutex_init(&vmstop_lock);
730 }
731
732 /* This function will abort() on invalid state transitions */
733 void runstate_set(RunState new_state)
734 {
735 assert(new_state < RUN_STATE__MAX);
736
737 if (current_run_state == new_state) {
738 return;
739 }
740
741 if (!runstate_valid_transitions[current_run_state][new_state]) {
742 error_report("invalid runstate transition: '%s' -> '%s'",
743 RunState_str(current_run_state),
744 RunState_str(new_state));
745 abort();
746 }
747 trace_runstate_set(new_state);
748 current_run_state = new_state;
749 }
750
751 int runstate_is_running(void)
752 {
753 return runstate_check(RUN_STATE_RUNNING);
754 }
755
756 bool runstate_needs_reset(void)
757 {
758 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
759 runstate_check(RUN_STATE_SHUTDOWN);
760 }
761
762 StatusInfo *qmp_query_status(Error **errp)
763 {
764 StatusInfo *info = g_malloc0(sizeof(*info));
765
766 info->running = runstate_is_running();
767 info->singlestep = singlestep;
768 info->status = current_run_state;
769
770 return info;
771 }
772
773 bool qemu_vmstop_requested(RunState *r)
774 {
775 qemu_mutex_lock(&vmstop_lock);
776 *r = vmstop_requested;
777 vmstop_requested = RUN_STATE__MAX;
778 qemu_mutex_unlock(&vmstop_lock);
779 return *r < RUN_STATE__MAX;
780 }
781
782 void qemu_system_vmstop_request_prepare(void)
783 {
784 qemu_mutex_lock(&vmstop_lock);
785 }
786
787 void qemu_system_vmstop_request(RunState state)
788 {
789 vmstop_requested = state;
790 qemu_mutex_unlock(&vmstop_lock);
791 qemu_notify_event();
792 }
793
794 /***********************************************************/
795 /* real time host monotonic timer */
796
797 static time_t qemu_time(void)
798 {
799 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
800 }
801
802 /***********************************************************/
803 /* host time/date access */
804 void qemu_get_timedate(struct tm *tm, int offset)
805 {
806 time_t ti = qemu_time();
807
808 ti += offset;
809 if (rtc_date_offset == -1) {
810 if (rtc_utc)
811 gmtime_r(&ti, tm);
812 else
813 localtime_r(&ti, tm);
814 } else {
815 ti -= rtc_date_offset;
816 gmtime_r(&ti, tm);
817 }
818 }
819
820 int qemu_timedate_diff(struct tm *tm)
821 {
822 time_t seconds;
823
824 if (rtc_date_offset == -1)
825 if (rtc_utc)
826 seconds = mktimegm(tm);
827 else {
828 struct tm tmp = *tm;
829 tmp.tm_isdst = -1; /* use timezone to figure it out */
830 seconds = mktime(&tmp);
831 }
832 else
833 seconds = mktimegm(tm) + rtc_date_offset;
834
835 return seconds - qemu_time();
836 }
837
838 static void configure_rtc_date_offset(const char *startdate, int legacy)
839 {
840 time_t rtc_start_date;
841 struct tm tm;
842
843 if (!strcmp(startdate, "now") && legacy) {
844 rtc_date_offset = -1;
845 } else {
846 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
847 &tm.tm_year,
848 &tm.tm_mon,
849 &tm.tm_mday,
850 &tm.tm_hour,
851 &tm.tm_min,
852 &tm.tm_sec) == 6) {
853 /* OK */
854 } else if (sscanf(startdate, "%d-%d-%d",
855 &tm.tm_year,
856 &tm.tm_mon,
857 &tm.tm_mday) == 3) {
858 tm.tm_hour = 0;
859 tm.tm_min = 0;
860 tm.tm_sec = 0;
861 } else {
862 goto date_fail;
863 }
864 tm.tm_year -= 1900;
865 tm.tm_mon--;
866 rtc_start_date = mktimegm(&tm);
867 if (rtc_start_date == -1) {
868 date_fail:
869 error_report("invalid date format");
870 error_printf("valid formats: "
871 "'2006-06-17T16:01:21' or '2006-06-17'\n");
872 exit(1);
873 }
874 rtc_date_offset = qemu_time() - rtc_start_date;
875 }
876 }
877
878 static void configure_rtc(QemuOpts *opts)
879 {
880 const char *value;
881
882 value = qemu_opt_get(opts, "base");
883 if (value) {
884 if (!strcmp(value, "utc")) {
885 rtc_utc = 1;
886 } else if (!strcmp(value, "localtime")) {
887 Error *blocker = NULL;
888 rtc_utc = 0;
889 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
890 "-rtc base=localtime");
891 replay_add_blocker(blocker);
892 } else {
893 configure_rtc_date_offset(value, 0);
894 }
895 }
896 value = qemu_opt_get(opts, "clock");
897 if (value) {
898 if (!strcmp(value, "host")) {
899 rtc_clock = QEMU_CLOCK_HOST;
900 } else if (!strcmp(value, "rt")) {
901 rtc_clock = QEMU_CLOCK_REALTIME;
902 } else if (!strcmp(value, "vm")) {
903 rtc_clock = QEMU_CLOCK_VIRTUAL;
904 } else {
905 error_report("invalid option value '%s'", value);
906 exit(1);
907 }
908 }
909 value = qemu_opt_get(opts, "driftfix");
910 if (value) {
911 if (!strcmp(value, "slew")) {
912 static GlobalProperty slew_lost_ticks = {
913 .driver = "mc146818rtc",
914 .property = "lost_tick_policy",
915 .value = "slew",
916 };
917
918 qdev_prop_register_global(&slew_lost_ticks);
919 } else if (!strcmp(value, "none")) {
920 /* discard is default */
921 } else {
922 error_report("invalid option value '%s'", value);
923 exit(1);
924 }
925 }
926 }
927
928 /***********************************************************/
929 /* Bluetooth support */
930 static int nb_hcis;
931 static int cur_hci;
932 static struct HCIInfo *hci_table[MAX_NICS];
933
934 struct HCIInfo *qemu_next_hci(void)
935 {
936 if (cur_hci == nb_hcis)
937 return &null_hci;
938
939 return hci_table[cur_hci++];
940 }
941
942 static int bt_hci_parse(const char *str)
943 {
944 struct HCIInfo *hci;
945 bdaddr_t bdaddr;
946
947 if (nb_hcis >= MAX_NICS) {
948 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
949 return -1;
950 }
951
952 hci = hci_init(str);
953 if (!hci)
954 return -1;
955
956 bdaddr.b[0] = 0x52;
957 bdaddr.b[1] = 0x54;
958 bdaddr.b[2] = 0x00;
959 bdaddr.b[3] = 0x12;
960 bdaddr.b[4] = 0x34;
961 bdaddr.b[5] = 0x56 + nb_hcis;
962 hci->bdaddr_set(hci, bdaddr.b);
963
964 hci_table[nb_hcis++] = hci;
965
966 return 0;
967 }
968
969 static void bt_vhci_add(int vlan_id)
970 {
971 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
972
973 if (!vlan->slave)
974 warn_report("adding a VHCI to an empty scatternet %i",
975 vlan_id);
976
977 bt_vhci_init(bt_new_hci(vlan));
978 }
979
980 static struct bt_device_s *bt_device_add(const char *opt)
981 {
982 struct bt_scatternet_s *vlan;
983 int vlan_id = 0;
984 char *endp = strstr(opt, ",vlan=");
985 int len = (endp ? endp - opt : strlen(opt)) + 1;
986 char devname[10];
987
988 pstrcpy(devname, MIN(sizeof(devname), len), opt);
989
990 if (endp) {
991 vlan_id = strtol(endp + 6, &endp, 0);
992 if (*endp) {
993 error_report("unrecognised bluetooth vlan Id");
994 return 0;
995 }
996 }
997
998 vlan = qemu_find_bt_vlan(vlan_id);
999
1000 if (!vlan->slave)
1001 warn_report("adding a slave device to an empty scatternet %i",
1002 vlan_id);
1003
1004 if (!strcmp(devname, "keyboard"))
1005 return bt_keyboard_init(vlan);
1006
1007 error_report("unsupported bluetooth device '%s'", devname);
1008 return 0;
1009 }
1010
1011 static int bt_parse(const char *opt)
1012 {
1013 const char *endp, *p;
1014 int vlan;
1015
1016 if (strstart(opt, "hci", &endp)) {
1017 if (!*endp || *endp == ',') {
1018 if (*endp)
1019 if (!strstart(endp, ",vlan=", 0))
1020 opt = endp + 1;
1021
1022 return bt_hci_parse(opt);
1023 }
1024 } else if (strstart(opt, "vhci", &endp)) {
1025 if (!*endp || *endp == ',') {
1026 if (*endp) {
1027 if (strstart(endp, ",vlan=", &p)) {
1028 vlan = strtol(p, (char **) &endp, 0);
1029 if (*endp) {
1030 error_report("bad scatternet '%s'", p);
1031 return 1;
1032 }
1033 } else {
1034 error_report("bad parameter '%s'", endp + 1);
1035 return 1;
1036 }
1037 } else
1038 vlan = 0;
1039
1040 bt_vhci_add(vlan);
1041 return 0;
1042 }
1043 } else if (strstart(opt, "device:", &endp))
1044 return !bt_device_add(endp);
1045
1046 error_report("bad bluetooth parameter '%s'", opt);
1047 return 1;
1048 }
1049
1050 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1051 {
1052 if (qemu_opt_get_bool(opts, "enable", false)) {
1053 #ifdef CONFIG_SECCOMP
1054 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1055 | QEMU_SECCOMP_SET_OBSOLETE;
1056 const char *value = NULL;
1057
1058 value = qemu_opt_get(opts, "obsolete");
1059 if (value) {
1060 if (g_str_equal(value, "allow")) {
1061 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1062 } else if (g_str_equal(value, "deny")) {
1063 /* this is the default option, this if is here
1064 * to provide a little bit of consistency for
1065 * the command line */
1066 } else {
1067 error_report("invalid argument for obsolete");
1068 return -1;
1069 }
1070 }
1071
1072 value = qemu_opt_get(opts, "elevateprivileges");
1073 if (value) {
1074 if (g_str_equal(value, "deny")) {
1075 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1076 } else if (g_str_equal(value, "children")) {
1077 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1078
1079 /* calling prctl directly because we're
1080 * not sure if host has CAP_SYS_ADMIN set*/
1081 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1082 error_report("failed to set no_new_privs "
1083 "aborting");
1084 return -1;
1085 }
1086 } else if (g_str_equal(value, "allow")) {
1087 /* default value */
1088 } else {
1089 error_report("invalid argument for elevateprivileges");
1090 return -1;
1091 }
1092 }
1093
1094 value = qemu_opt_get(opts, "spawn");
1095 if (value) {
1096 if (g_str_equal(value, "deny")) {
1097 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1098 } else if (g_str_equal(value, "allow")) {
1099 /* default value */
1100 } else {
1101 error_report("invalid argument for spawn");
1102 return -1;
1103 }
1104 }
1105
1106 value = qemu_opt_get(opts, "resourcecontrol");
1107 if (value) {
1108 if (g_str_equal(value, "deny")) {
1109 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1110 } else if (g_str_equal(value, "allow")) {
1111 /* default value */
1112 } else {
1113 error_report("invalid argument for resourcecontrol");
1114 return -1;
1115 }
1116 }
1117
1118 if (seccomp_start(seccomp_opts) < 0) {
1119 error_report("failed to install seccomp syscall filter "
1120 "in the kernel");
1121 return -1;
1122 }
1123 #else
1124 error_report("seccomp support is disabled");
1125 return -1;
1126 #endif
1127 }
1128
1129 return 0;
1130 }
1131
1132 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1133 {
1134 const char *proc_name;
1135
1136 if (qemu_opt_get(opts, "debug-threads")) {
1137 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1138 }
1139 qemu_name = qemu_opt_get(opts, "guest");
1140
1141 proc_name = qemu_opt_get(opts, "process");
1142 if (proc_name) {
1143 os_set_proc_name(proc_name);
1144 }
1145
1146 return 0;
1147 }
1148
1149 bool defaults_enabled(void)
1150 {
1151 return has_defaults;
1152 }
1153
1154 #ifndef _WIN32
1155 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1156 {
1157 int fd, dupfd, flags;
1158 int64_t fdset_id;
1159 const char *fd_opaque = NULL;
1160 AddfdInfo *fdinfo;
1161
1162 fd = qemu_opt_get_number(opts, "fd", -1);
1163 fdset_id = qemu_opt_get_number(opts, "set", -1);
1164 fd_opaque = qemu_opt_get(opts, "opaque");
1165
1166 if (fd < 0) {
1167 error_report("fd option is required and must be non-negative");
1168 return -1;
1169 }
1170
1171 if (fd <= STDERR_FILENO) {
1172 error_report("fd cannot be a standard I/O stream");
1173 return -1;
1174 }
1175
1176 /*
1177 * All fds inherited across exec() necessarily have FD_CLOEXEC
1178 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1179 */
1180 flags = fcntl(fd, F_GETFD);
1181 if (flags == -1 || (flags & FD_CLOEXEC)) {
1182 error_report("fd is not valid or already in use");
1183 return -1;
1184 }
1185
1186 if (fdset_id < 0) {
1187 error_report("set option is required and must be non-negative");
1188 return -1;
1189 }
1190
1191 #ifdef F_DUPFD_CLOEXEC
1192 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1193 #else
1194 dupfd = dup(fd);
1195 if (dupfd != -1) {
1196 qemu_set_cloexec(dupfd);
1197 }
1198 #endif
1199 if (dupfd == -1) {
1200 error_report("error duplicating fd: %s", strerror(errno));
1201 return -1;
1202 }
1203
1204 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1205 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1206 &error_abort);
1207 g_free(fdinfo);
1208
1209 return 0;
1210 }
1211
1212 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1213 {
1214 int fd;
1215
1216 fd = qemu_opt_get_number(opts, "fd", -1);
1217 close(fd);
1218
1219 return 0;
1220 }
1221 #endif
1222
1223 /***********************************************************/
1224 /* QEMU Block devices */
1225
1226 #define HD_OPTS "media=disk"
1227 #define CDROM_OPTS "media=cdrom"
1228 #define FD_OPTS ""
1229 #define PFLASH_OPTS ""
1230 #define MTD_OPTS ""
1231 #define SD_OPTS ""
1232
1233 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1234 {
1235 BlockInterfaceType *block_default_type = opaque;
1236
1237 return drive_new(opts, *block_default_type) == NULL;
1238 }
1239
1240 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1241 {
1242 if (qemu_opt_get(opts, "snapshot") == NULL) {
1243 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1244 }
1245 return 0;
1246 }
1247
1248 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1249 int index, const char *optstr)
1250 {
1251 QemuOpts *opts;
1252 DriveInfo *dinfo;
1253
1254 if (!enable || drive_get_by_index(type, index)) {
1255 return;
1256 }
1257
1258 opts = drive_add(type, index, NULL, optstr);
1259 if (snapshot) {
1260 drive_enable_snapshot(NULL, opts, NULL);
1261 }
1262
1263 dinfo = drive_new(opts, type);
1264 if (!dinfo) {
1265 exit(1);
1266 }
1267 dinfo->is_default = true;
1268
1269 }
1270
1271 static QemuOptsList qemu_smp_opts = {
1272 .name = "smp-opts",
1273 .implied_opt_name = "cpus",
1274 .merge_lists = true,
1275 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1276 .desc = {
1277 {
1278 .name = "cpus",
1279 .type = QEMU_OPT_NUMBER,
1280 }, {
1281 .name = "sockets",
1282 .type = QEMU_OPT_NUMBER,
1283 }, {
1284 .name = "cores",
1285 .type = QEMU_OPT_NUMBER,
1286 }, {
1287 .name = "threads",
1288 .type = QEMU_OPT_NUMBER,
1289 }, {
1290 .name = "maxcpus",
1291 .type = QEMU_OPT_NUMBER,
1292 },
1293 { /*End of list */ }
1294 },
1295 };
1296
1297 static void smp_parse(QemuOpts *opts)
1298 {
1299 if (opts) {
1300 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1301 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1302 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1303 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1304
1305 /* compute missing values, prefer sockets over cores over threads */
1306 if (cpus == 0 || sockets == 0) {
1307 sockets = sockets > 0 ? sockets : 1;
1308 cores = cores > 0 ? cores : 1;
1309 threads = threads > 0 ? threads : 1;
1310 if (cpus == 0) {
1311 cpus = cores * threads * sockets;
1312 }
1313 } else if (cores == 0) {
1314 threads = threads > 0 ? threads : 1;
1315 cores = cpus / (sockets * threads);
1316 cores = cores > 0 ? cores : 1;
1317 } else if (threads == 0) {
1318 threads = cpus / (cores * sockets);
1319 threads = threads > 0 ? threads : 1;
1320 } else if (sockets * cores * threads < cpus) {
1321 error_report("cpu topology: "
1322 "sockets (%u) * cores (%u) * threads (%u) < "
1323 "smp_cpus (%u)",
1324 sockets, cores, threads, cpus);
1325 exit(1);
1326 }
1327
1328 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1329
1330 if (max_cpus < cpus) {
1331 error_report("maxcpus must be equal to or greater than smp");
1332 exit(1);
1333 }
1334
1335 if (sockets * cores * threads > max_cpus) {
1336 error_report("cpu topology: "
1337 "sockets (%u) * cores (%u) * threads (%u) > "
1338 "maxcpus (%u)",
1339 sockets, cores, threads, max_cpus);
1340 exit(1);
1341 }
1342
1343 smp_cpus = cpus;
1344 smp_cores = cores;
1345 smp_threads = threads;
1346 }
1347
1348 if (smp_cpus > 1) {
1349 Error *blocker = NULL;
1350 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1351 replay_add_blocker(blocker);
1352 }
1353 }
1354
1355 static void realtime_init(void)
1356 {
1357 if (enable_mlock) {
1358 if (os_mlock() < 0) {
1359 error_report("locking memory failed");
1360 exit(1);
1361 }
1362 }
1363 }
1364
1365
1366 static void configure_msg(QemuOpts *opts)
1367 {
1368 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1369 }
1370
1371 /***********************************************************/
1372 /* Semihosting */
1373
1374 typedef struct SemihostingConfig {
1375 bool enabled;
1376 SemihostingTarget target;
1377 const char **argv;
1378 int argc;
1379 const char *cmdline; /* concatenated argv */
1380 } SemihostingConfig;
1381
1382 static SemihostingConfig semihosting;
1383
1384 bool semihosting_enabled(void)
1385 {
1386 return semihosting.enabled;
1387 }
1388
1389 SemihostingTarget semihosting_get_target(void)
1390 {
1391 return semihosting.target;
1392 }
1393
1394 const char *semihosting_get_arg(int i)
1395 {
1396 if (i >= semihosting.argc) {
1397 return NULL;
1398 }
1399 return semihosting.argv[i];
1400 }
1401
1402 int semihosting_get_argc(void)
1403 {
1404 return semihosting.argc;
1405 }
1406
1407 const char *semihosting_get_cmdline(void)
1408 {
1409 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1410 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1411 }
1412 return semihosting.cmdline;
1413 }
1414
1415 static int add_semihosting_arg(void *opaque,
1416 const char *name, const char *val,
1417 Error **errp)
1418 {
1419 SemihostingConfig *s = opaque;
1420 if (strcmp(name, "arg") == 0) {
1421 s->argc++;
1422 /* one extra element as g_strjoinv() expects NULL-terminated array */
1423 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1424 s->argv[s->argc - 1] = val;
1425 s->argv[s->argc] = NULL;
1426 }
1427 return 0;
1428 }
1429
1430 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1431 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1432 {
1433 char *cmd_token;
1434
1435 /* argv[0] */
1436 add_semihosting_arg(&semihosting, "arg", file, NULL);
1437
1438 /* split -append and initialize argv[1..n] */
1439 cmd_token = strtok(g_strdup(cmd), " ");
1440 while (cmd_token) {
1441 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1442 cmd_token = strtok(NULL, " ");
1443 }
1444 }
1445
1446 /* Now we still need this for compatibility with XEN. */
1447 bool has_igd_gfx_passthru;
1448 static void igd_gfx_passthru(void)
1449 {
1450 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1451 }
1452
1453 /***********************************************************/
1454 /* USB devices */
1455
1456 static int usb_device_add(const char *devname)
1457 {
1458 USBDevice *dev = NULL;
1459 #ifndef CONFIG_LINUX
1460 const char *p;
1461 #endif
1462
1463 if (!machine_usb(current_machine)) {
1464 return -1;
1465 }
1466
1467 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1468 dev = usbdevice_create(devname);
1469 if (dev)
1470 goto done;
1471
1472 /* the other ones */
1473 #ifndef CONFIG_LINUX
1474 /* only the linux version is qdev-ified, usb-bsd still needs this */
1475 if (strstart(devname, "host:", &p)) {
1476 dev = usb_host_device_open(usb_bus_find(-1), p);
1477 }
1478 #endif
1479 if (!dev)
1480 return -1;
1481
1482 done:
1483 return 0;
1484 }
1485
1486 static int usb_device_del(const char *devname)
1487 {
1488 int bus_num, addr;
1489 const char *p;
1490
1491 if (strstart(devname, "host:", &p)) {
1492 return -1;
1493 }
1494
1495 if (!machine_usb(current_machine)) {
1496 return -1;
1497 }
1498
1499 p = strchr(devname, '.');
1500 if (!p)
1501 return -1;
1502 bus_num = strtoul(devname, NULL, 0);
1503 addr = strtoul(p + 1, NULL, 0);
1504
1505 return usb_device_delete_addr(bus_num, addr);
1506 }
1507
1508 static int usb_parse(const char *cmdline)
1509 {
1510 int r;
1511 r = usb_device_add(cmdline);
1512 if (r < 0) {
1513 error_report("could not add USB device '%s'", cmdline);
1514 }
1515 return r;
1516 }
1517
1518 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1519 {
1520 const char *devname = qdict_get_str(qdict, "devname");
1521
1522 error_report("usb_add is deprecated, please use device_add instead");
1523
1524 if (usb_device_add(devname) < 0) {
1525 error_report("could not add USB device '%s'", devname);
1526 }
1527 }
1528
1529 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1530 {
1531 const char *devname = qdict_get_str(qdict, "devname");
1532
1533 error_report("usb_del is deprecated, please use device_del instead");
1534
1535 if (usb_device_del(devname) < 0) {
1536 error_report("could not delete USB device '%s'", devname);
1537 }
1538 }
1539
1540 /***********************************************************/
1541 /* machine registration */
1542
1543 MachineState *current_machine;
1544
1545 static MachineClass *find_machine(const char *name)
1546 {
1547 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1548 MachineClass *mc = NULL;
1549
1550 for (el = machines; el; el = el->next) {
1551 MachineClass *temp = el->data;
1552
1553 if (!strcmp(temp->name, name)) {
1554 mc = temp;
1555 break;
1556 }
1557 if (temp->alias &&
1558 !strcmp(temp->alias, name)) {
1559 mc = temp;
1560 break;
1561 }
1562 }
1563
1564 g_slist_free(machines);
1565 return mc;
1566 }
1567
1568 MachineClass *find_default_machine(void)
1569 {
1570 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1571 MachineClass *mc = NULL;
1572
1573 for (el = machines; el; el = el->next) {
1574 MachineClass *temp = el->data;
1575
1576 if (temp->is_default) {
1577 mc = temp;
1578 break;
1579 }
1580 }
1581
1582 g_slist_free(machines);
1583 return mc;
1584 }
1585
1586 MachineInfoList *qmp_query_machines(Error **errp)
1587 {
1588 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1589 MachineInfoList *mach_list = NULL;
1590
1591 for (el = machines; el; el = el->next) {
1592 MachineClass *mc = el->data;
1593 MachineInfoList *entry;
1594 MachineInfo *info;
1595
1596 info = g_malloc0(sizeof(*info));
1597 if (mc->is_default) {
1598 info->has_is_default = true;
1599 info->is_default = true;
1600 }
1601
1602 if (mc->alias) {
1603 info->has_alias = true;
1604 info->alias = g_strdup(mc->alias);
1605 }
1606
1607 info->name = g_strdup(mc->name);
1608 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1609 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1610
1611 entry = g_malloc0(sizeof(*entry));
1612 entry->value = info;
1613 entry->next = mach_list;
1614 mach_list = entry;
1615 }
1616
1617 g_slist_free(machines);
1618 return mach_list;
1619 }
1620
1621 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1622 {
1623 ObjectProperty *prop;
1624 ObjectPropertyIterator iter;
1625
1626 if (!qemu_opt_has_help_opt(opts)) {
1627 return 0;
1628 }
1629
1630 object_property_iter_init(&iter, OBJECT(machine));
1631 while ((prop = object_property_iter_next(&iter))) {
1632 if (!prop->set) {
1633 continue;
1634 }
1635
1636 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1637 prop->name, prop->type);
1638 if (prop->description) {
1639 error_printf(" (%s)\n", prop->description);
1640 } else {
1641 error_printf("\n");
1642 }
1643 }
1644
1645 return 1;
1646 }
1647
1648 /***********************************************************/
1649 /* main execution loop */
1650
1651 struct vm_change_state_entry {
1652 VMChangeStateHandler *cb;
1653 void *opaque;
1654 QLIST_ENTRY (vm_change_state_entry) entries;
1655 };
1656
1657 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1658
1659 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1660 void *opaque)
1661 {
1662 VMChangeStateEntry *e;
1663
1664 e = g_malloc0(sizeof (*e));
1665
1666 e->cb = cb;
1667 e->opaque = opaque;
1668 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1669 return e;
1670 }
1671
1672 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1673 {
1674 QLIST_REMOVE (e, entries);
1675 g_free (e);
1676 }
1677
1678 void vm_state_notify(int running, RunState state)
1679 {
1680 VMChangeStateEntry *e, *next;
1681
1682 trace_vm_state_notify(running, state);
1683
1684 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1685 e->cb(e->opaque, running, state);
1686 }
1687 }
1688
1689 static ShutdownCause reset_requested;
1690 static ShutdownCause shutdown_requested;
1691 static int shutdown_signal;
1692 static pid_t shutdown_pid;
1693 static int powerdown_requested;
1694 static int debug_requested;
1695 static int suspend_requested;
1696 static WakeupReason wakeup_reason;
1697 static NotifierList powerdown_notifiers =
1698 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1699 static NotifierList suspend_notifiers =
1700 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1701 static NotifierList wakeup_notifiers =
1702 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1703 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1704
1705 ShutdownCause qemu_shutdown_requested_get(void)
1706 {
1707 return shutdown_requested;
1708 }
1709
1710 ShutdownCause qemu_reset_requested_get(void)
1711 {
1712 return reset_requested;
1713 }
1714
1715 static int qemu_shutdown_requested(void)
1716 {
1717 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1718 }
1719
1720 static void qemu_kill_report(void)
1721 {
1722 if (!qtest_driver() && shutdown_signal) {
1723 if (shutdown_pid == 0) {
1724 /* This happens for eg ^C at the terminal, so it's worth
1725 * avoiding printing an odd message in that case.
1726 */
1727 error_report("terminating on signal %d", shutdown_signal);
1728 } else {
1729 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1730
1731 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1732 shutdown_signal, shutdown_pid,
1733 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1734 g_free(shutdown_cmd);
1735 }
1736 shutdown_signal = 0;
1737 }
1738 }
1739
1740 static ShutdownCause qemu_reset_requested(void)
1741 {
1742 ShutdownCause r = reset_requested;
1743
1744 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1745 reset_requested = SHUTDOWN_CAUSE_NONE;
1746 return r;
1747 }
1748 return SHUTDOWN_CAUSE_NONE;
1749 }
1750
1751 static int qemu_suspend_requested(void)
1752 {
1753 int r = suspend_requested;
1754 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1755 suspend_requested = 0;
1756 return r;
1757 }
1758 return false;
1759 }
1760
1761 static WakeupReason qemu_wakeup_requested(void)
1762 {
1763 return wakeup_reason;
1764 }
1765
1766 static int qemu_powerdown_requested(void)
1767 {
1768 int r = powerdown_requested;
1769 powerdown_requested = 0;
1770 return r;
1771 }
1772
1773 static int qemu_debug_requested(void)
1774 {
1775 int r = debug_requested;
1776 debug_requested = 0;
1777 return r;
1778 }
1779
1780 /*
1781 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1782 */
1783 void qemu_system_reset(ShutdownCause reason)
1784 {
1785 MachineClass *mc;
1786
1787 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1788
1789 cpu_synchronize_all_states();
1790
1791 if (mc && mc->reset) {
1792 mc->reset();
1793 } else {
1794 qemu_devices_reset();
1795 }
1796 if (reason) {
1797 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1798 &error_abort);
1799 }
1800 cpu_synchronize_all_post_reset();
1801 }
1802
1803 void qemu_system_guest_panicked(GuestPanicInformation *info)
1804 {
1805 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1806
1807 if (current_cpu) {
1808 current_cpu->crash_occurred = true;
1809 }
1810 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1811 !!info, info, &error_abort);
1812 vm_stop(RUN_STATE_GUEST_PANICKED);
1813 if (!no_shutdown) {
1814 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1815 !!info, info, &error_abort);
1816 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1817 }
1818
1819 if (info) {
1820 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1821 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1822 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1823 info->u.hyper_v.arg1,
1824 info->u.hyper_v.arg2,
1825 info->u.hyper_v.arg3,
1826 info->u.hyper_v.arg4,
1827 info->u.hyper_v.arg5);
1828 }
1829 qapi_free_GuestPanicInformation(info);
1830 }
1831 }
1832
1833 void qemu_system_reset_request(ShutdownCause reason)
1834 {
1835 if (no_reboot) {
1836 shutdown_requested = reason;
1837 } else {
1838 reset_requested = reason;
1839 }
1840 cpu_stop_current();
1841 qemu_notify_event();
1842 }
1843
1844 static void qemu_system_suspend(void)
1845 {
1846 pause_all_vcpus();
1847 notifier_list_notify(&suspend_notifiers, NULL);
1848 runstate_set(RUN_STATE_SUSPENDED);
1849 qapi_event_send_suspend(&error_abort);
1850 }
1851
1852 void qemu_system_suspend_request(void)
1853 {
1854 if (runstate_check(RUN_STATE_SUSPENDED)) {
1855 return;
1856 }
1857 suspend_requested = 1;
1858 cpu_stop_current();
1859 qemu_notify_event();
1860 }
1861
1862 void qemu_register_suspend_notifier(Notifier *notifier)
1863 {
1864 notifier_list_add(&suspend_notifiers, notifier);
1865 }
1866
1867 void qemu_system_wakeup_request(WakeupReason reason)
1868 {
1869 trace_system_wakeup_request(reason);
1870
1871 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1872 return;
1873 }
1874 if (!(wakeup_reason_mask & (1 << reason))) {
1875 return;
1876 }
1877 runstate_set(RUN_STATE_RUNNING);
1878 wakeup_reason = reason;
1879 qemu_notify_event();
1880 }
1881
1882 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1883 {
1884 if (enabled) {
1885 wakeup_reason_mask |= (1 << reason);
1886 } else {
1887 wakeup_reason_mask &= ~(1 << reason);
1888 }
1889 }
1890
1891 void qemu_register_wakeup_notifier(Notifier *notifier)
1892 {
1893 notifier_list_add(&wakeup_notifiers, notifier);
1894 }
1895
1896 void qemu_system_killed(int signal, pid_t pid)
1897 {
1898 shutdown_signal = signal;
1899 shutdown_pid = pid;
1900 no_shutdown = 0;
1901
1902 /* Cannot call qemu_system_shutdown_request directly because
1903 * we are in a signal handler.
1904 */
1905 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1906 qemu_notify_event();
1907 }
1908
1909 void qemu_system_shutdown_request(ShutdownCause reason)
1910 {
1911 trace_qemu_system_shutdown_request(reason);
1912 replay_shutdown_request(reason);
1913 shutdown_requested = reason;
1914 qemu_notify_event();
1915 }
1916
1917 static void qemu_system_powerdown(void)
1918 {
1919 qapi_event_send_powerdown(&error_abort);
1920 notifier_list_notify(&powerdown_notifiers, NULL);
1921 }
1922
1923 void qemu_system_powerdown_request(void)
1924 {
1925 trace_qemu_system_powerdown_request();
1926 powerdown_requested = 1;
1927 qemu_notify_event();
1928 }
1929
1930 void qemu_register_powerdown_notifier(Notifier *notifier)
1931 {
1932 notifier_list_add(&powerdown_notifiers, notifier);
1933 }
1934
1935 void qemu_system_debug_request(void)
1936 {
1937 debug_requested = 1;
1938 qemu_notify_event();
1939 }
1940
1941 static bool main_loop_should_exit(void)
1942 {
1943 RunState r;
1944 ShutdownCause request;
1945
1946 if (qemu_debug_requested()) {
1947 vm_stop(RUN_STATE_DEBUG);
1948 }
1949 if (qemu_suspend_requested()) {
1950 qemu_system_suspend();
1951 }
1952 request = qemu_shutdown_requested();
1953 if (request) {
1954 qemu_kill_report();
1955 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1956 &error_abort);
1957 if (no_shutdown) {
1958 vm_stop(RUN_STATE_SHUTDOWN);
1959 } else {
1960 return true;
1961 }
1962 }
1963 request = qemu_reset_requested();
1964 if (request) {
1965 pause_all_vcpus();
1966 qemu_system_reset(request);
1967 resume_all_vcpus();
1968 if (!runstate_check(RUN_STATE_RUNNING) &&
1969 !runstate_check(RUN_STATE_INMIGRATE)) {
1970 runstate_set(RUN_STATE_PRELAUNCH);
1971 }
1972 }
1973 if (qemu_wakeup_requested()) {
1974 pause_all_vcpus();
1975 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1976 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1977 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1978 resume_all_vcpus();
1979 qapi_event_send_wakeup(&error_abort);
1980 }
1981 if (qemu_powerdown_requested()) {
1982 qemu_system_powerdown();
1983 }
1984 if (qemu_vmstop_requested(&r)) {
1985 vm_stop(r);
1986 }
1987 return false;
1988 }
1989
1990 static void main_loop(void)
1991 {
1992 #ifdef CONFIG_PROFILER
1993 int64_t ti;
1994 #endif
1995 do {
1996 #ifdef CONFIG_PROFILER
1997 ti = profile_getclock();
1998 #endif
1999 main_loop_wait(false);
2000 #ifdef CONFIG_PROFILER
2001 dev_time += profile_getclock() - ti;
2002 #endif
2003 } while (!main_loop_should_exit());
2004 }
2005
2006 static void version(void)
2007 {
2008 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
2009 QEMU_COPYRIGHT "\n");
2010 }
2011
2012 static void help(int exitcode)
2013 {
2014 version();
2015 printf("usage: %s [options] [disk_image]\n\n"
2016 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2017 error_get_progname());
2018
2019 #define QEMU_OPTIONS_GENERATE_HELP
2020 #include "qemu-options-wrapper.h"
2021
2022 printf("\nDuring emulation, the following keys are useful:\n"
2023 "ctrl-alt-f toggle full screen\n"
2024 "ctrl-alt-n switch to virtual console 'n'\n"
2025 "ctrl-alt toggle mouse and keyboard grab\n"
2026 "\n"
2027 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2028 "\n"
2029 QEMU_HELP_BOTTOM "\n");
2030
2031 exit(exitcode);
2032 }
2033
2034 #define HAS_ARG 0x0001
2035
2036 typedef struct QEMUOption {
2037 const char *name;
2038 int flags;
2039 int index;
2040 uint32_t arch_mask;
2041 } QEMUOption;
2042
2043 static const QEMUOption qemu_options[] = {
2044 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2045 #define QEMU_OPTIONS_GENERATE_OPTIONS
2046 #include "qemu-options-wrapper.h"
2047 { NULL },
2048 };
2049
2050 typedef struct VGAInterfaceInfo {
2051 const char *opt_name; /* option name */
2052 const char *name; /* human-readable name */
2053 /* Class names indicating that support is available.
2054 * If no class is specified, the interface is always available */
2055 const char *class_names[2];
2056 } VGAInterfaceInfo;
2057
2058 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2059 [VGA_NONE] = {
2060 .opt_name = "none",
2061 },
2062 [VGA_STD] = {
2063 .opt_name = "std",
2064 .name = "standard VGA",
2065 .class_names = { "VGA", "isa-vga" },
2066 },
2067 [VGA_CIRRUS] = {
2068 .opt_name = "cirrus",
2069 .name = "Cirrus VGA",
2070 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2071 },
2072 [VGA_VMWARE] = {
2073 .opt_name = "vmware",
2074 .name = "VMWare SVGA",
2075 .class_names = { "vmware-svga" },
2076 },
2077 [VGA_VIRTIO] = {
2078 .opt_name = "virtio",
2079 .name = "Virtio VGA",
2080 .class_names = { "virtio-vga" },
2081 },
2082 [VGA_QXL] = {
2083 .opt_name = "qxl",
2084 .name = "QXL VGA",
2085 .class_names = { "qxl-vga" },
2086 },
2087 [VGA_TCX] = {
2088 .opt_name = "tcx",
2089 .name = "TCX framebuffer",
2090 .class_names = { "SUNW,tcx" },
2091 },
2092 [VGA_CG3] = {
2093 .opt_name = "cg3",
2094 .name = "CG3 framebuffer",
2095 .class_names = { "cgthree" },
2096 },
2097 [VGA_XENFB] = {
2098 .opt_name = "xenfb",
2099 },
2100 };
2101
2102 static bool vga_interface_available(VGAInterfaceType t)
2103 {
2104 VGAInterfaceInfo *ti = &vga_interfaces[t];
2105
2106 assert(t < VGA_TYPE_MAX);
2107 return !ti->class_names[0] ||
2108 object_class_by_name(ti->class_names[0]) ||
2109 object_class_by_name(ti->class_names[1]);
2110 }
2111
2112 static void select_vgahw(const char *p)
2113 {
2114 const char *opts;
2115 int t;
2116
2117 assert(vga_interface_type == VGA_NONE);
2118 for (t = 0; t < VGA_TYPE_MAX; t++) {
2119 VGAInterfaceInfo *ti = &vga_interfaces[t];
2120 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2121 if (!vga_interface_available(t)) {
2122 error_report("%s not available", ti->name);
2123 exit(1);
2124 }
2125 vga_interface_type = t;
2126 break;
2127 }
2128 }
2129 if (t == VGA_TYPE_MAX) {
2130 invalid_vga:
2131 error_report("unknown vga type: %s", p);
2132 exit(1);
2133 }
2134 while (*opts) {
2135 const char *nextopt;
2136
2137 if (strstart(opts, ",retrace=", &nextopt)) {
2138 opts = nextopt;
2139 if (strstart(opts, "dumb", &nextopt))
2140 vga_retrace_method = VGA_RETRACE_DUMB;
2141 else if (strstart(opts, "precise", &nextopt))
2142 vga_retrace_method = VGA_RETRACE_PRECISE;
2143 else goto invalid_vga;
2144 } else goto invalid_vga;
2145 opts = nextopt;
2146 }
2147 }
2148
2149 typedef enum DisplayType {
2150 DT_DEFAULT,
2151 DT_CURSES,
2152 DT_SDL,
2153 DT_COCOA,
2154 DT_GTK,
2155 DT_EGL,
2156 DT_NONE,
2157 } DisplayType;
2158
2159 static DisplayType select_display(const char *p)
2160 {
2161 const char *opts;
2162 DisplayType display = DT_DEFAULT;
2163
2164 if (strstart(p, "sdl", &opts)) {
2165 #ifdef CONFIG_SDL
2166 display = DT_SDL;
2167 while (*opts) {
2168 const char *nextopt;
2169
2170 if (strstart(opts, ",frame=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "on", &nextopt)) {
2173 no_frame = 0;
2174 } else if (strstart(opts, "off", &nextopt)) {
2175 no_frame = 1;
2176 } else {
2177 goto invalid_sdl_args;
2178 }
2179 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 alt_grab = 1;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 alt_grab = 0;
2185 } else {
2186 goto invalid_sdl_args;
2187 }
2188 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 ctrl_grab = 1;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 ctrl_grab = 0;
2194 } else {
2195 goto invalid_sdl_args;
2196 }
2197 } else if (strstart(opts, ",window_close=", &nextopt)) {
2198 opts = nextopt;
2199 if (strstart(opts, "on", &nextopt)) {
2200 no_quit = 0;
2201 } else if (strstart(opts, "off", &nextopt)) {
2202 no_quit = 1;
2203 } else {
2204 goto invalid_sdl_args;
2205 }
2206 } else if (strstart(opts, ",gl=", &nextopt)) {
2207 opts = nextopt;
2208 if (strstart(opts, "on", &nextopt)) {
2209 request_opengl = 1;
2210 } else if (strstart(opts, "off", &nextopt)) {
2211 request_opengl = 0;
2212 } else {
2213 goto invalid_sdl_args;
2214 }
2215 } else {
2216 invalid_sdl_args:
2217 error_report("invalid SDL option string");
2218 exit(1);
2219 }
2220 opts = nextopt;
2221 }
2222 #else
2223 error_report("SDL support is disabled");
2224 exit(1);
2225 #endif
2226 } else if (strstart(p, "vnc", &opts)) {
2227 if (*opts == '=') {
2228 vnc_parse(opts + 1, &error_fatal);
2229 } else {
2230 error_report("VNC requires a display argument vnc=<display>");
2231 exit(1);
2232 }
2233 } else if (strstart(p, "egl-headless", &opts)) {
2234 #ifdef CONFIG_OPENGL_DMABUF
2235 request_opengl = 1;
2236 display_opengl = 1;
2237 display = DT_EGL;
2238 #else
2239 fprintf(stderr, "egl support is disabled\n");
2240 exit(1);
2241 #endif
2242 } else if (strstart(p, "curses", &opts)) {
2243 #ifdef CONFIG_CURSES
2244 display = DT_CURSES;
2245 #else
2246 error_report("curses support is disabled");
2247 exit(1);
2248 #endif
2249 } else if (strstart(p, "gtk", &opts)) {
2250 #ifdef CONFIG_GTK
2251 display = DT_GTK;
2252 while (*opts) {
2253 const char *nextopt;
2254
2255 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2256 opts = nextopt;
2257 if (strstart(opts, "on", &nextopt)) {
2258 grab_on_hover = true;
2259 } else if (strstart(opts, "off", &nextopt)) {
2260 grab_on_hover = false;
2261 } else {
2262 goto invalid_gtk_args;
2263 }
2264 } else if (strstart(opts, ",gl=", &nextopt)) {
2265 opts = nextopt;
2266 if (strstart(opts, "on", &nextopt)) {
2267 request_opengl = 1;
2268 } else if (strstart(opts, "off", &nextopt)) {
2269 request_opengl = 0;
2270 } else {
2271 goto invalid_gtk_args;
2272 }
2273 } else {
2274 invalid_gtk_args:
2275 error_report("invalid GTK option string");
2276 exit(1);
2277 }
2278 opts = nextopt;
2279 }
2280 #else
2281 error_report("GTK support is disabled");
2282 exit(1);
2283 #endif
2284 } else if (strstart(p, "none", &opts)) {
2285 display = DT_NONE;
2286 } else {
2287 error_report("unknown display type");
2288 exit(1);
2289 }
2290
2291 return display;
2292 }
2293
2294 static int balloon_parse(const char *arg)
2295 {
2296 QemuOpts *opts;
2297
2298 if (strcmp(arg, "none") == 0) {
2299 return 0;
2300 }
2301
2302 if (!strncmp(arg, "virtio", 6)) {
2303 if (arg[6] == ',') {
2304 /* have params -> parse them */
2305 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2306 false);
2307 if (!opts)
2308 return -1;
2309 } else {
2310 /* create empty opts */
2311 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2312 &error_abort);
2313 }
2314 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2315 return 0;
2316 }
2317
2318 return -1;
2319 }
2320
2321 char *qemu_find_file(int type, const char *name)
2322 {
2323 int i;
2324 const char *subdir;
2325 char *buf;
2326
2327 /* Try the name as a straight path first */
2328 if (access(name, R_OK) == 0) {
2329 trace_load_file(name, name);
2330 return g_strdup(name);
2331 }
2332
2333 switch (type) {
2334 case QEMU_FILE_TYPE_BIOS:
2335 subdir = "";
2336 break;
2337 case QEMU_FILE_TYPE_KEYMAP:
2338 subdir = "keymaps/";
2339 break;
2340 default:
2341 abort();
2342 }
2343
2344 for (i = 0; i < data_dir_idx; i++) {
2345 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2346 if (access(buf, R_OK) == 0) {
2347 trace_load_file(name, buf);
2348 return buf;
2349 }
2350 g_free(buf);
2351 }
2352 return NULL;
2353 }
2354
2355 static inline bool nonempty_str(const char *str)
2356 {
2357 return str && *str;
2358 }
2359
2360 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2361 {
2362 gchar *buf;
2363 size_t size;
2364 const char *name, *file, *str;
2365 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2366
2367 if (fw_cfg == NULL) {
2368 error_report("fw_cfg device not available");
2369 return -1;
2370 }
2371 name = qemu_opt_get(opts, "name");
2372 file = qemu_opt_get(opts, "file");
2373 str = qemu_opt_get(opts, "string");
2374
2375 /* we need name and either a file or the content string */
2376 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2377 error_report("invalid argument(s)");
2378 return -1;
2379 }
2380 if (nonempty_str(file) && nonempty_str(str)) {
2381 error_report("file and string are mutually exclusive");
2382 return -1;
2383 }
2384 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2385 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2386 return -1;
2387 }
2388 if (strncmp(name, "opt/", 4) != 0) {
2389 warn_report("externally provided fw_cfg item names "
2390 "should be prefixed with \"opt/\"");
2391 }
2392 if (nonempty_str(str)) {
2393 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2394 buf = g_memdup(str, size);
2395 } else {
2396 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2397 error_report("can't load %s", file);
2398 return -1;
2399 }
2400 }
2401 /* For legacy, keep user files in a specific global order. */
2402 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2403 fw_cfg_add_file(fw_cfg, name, buf, size);
2404 fw_cfg_reset_order_override(fw_cfg);
2405 return 0;
2406 }
2407
2408 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2409 {
2410 return qdev_device_help(opts);
2411 }
2412
2413 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2414 {
2415 Error *err = NULL;
2416 DeviceState *dev;
2417
2418 dev = qdev_device_add(opts, &err);
2419 if (!dev) {
2420 error_report_err(err);
2421 return -1;
2422 }
2423 object_unref(OBJECT(dev));
2424 return 0;
2425 }
2426
2427 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2428 {
2429 Error *local_err = NULL;
2430
2431 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2432 if (local_err) {
2433 error_report_err(local_err);
2434 return -1;
2435 }
2436 exit(0);
2437 }
2438 return 0;
2439 }
2440
2441 #ifdef CONFIG_VIRTFS
2442 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2443 {
2444 return qemu_fsdev_add(opts);
2445 }
2446 #endif
2447
2448 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2449 {
2450 Chardev *chr;
2451 const char *chardev;
2452 const char *mode;
2453 int flags;
2454
2455 mode = qemu_opt_get(opts, "mode");
2456 if (mode == NULL) {
2457 mode = "readline";
2458 }
2459 if (strcmp(mode, "readline") == 0) {
2460 flags = MONITOR_USE_READLINE;
2461 } else if (strcmp(mode, "control") == 0) {
2462 flags = MONITOR_USE_CONTROL;
2463 } else {
2464 error_report("unknown monitor mode \"%s\"", mode);
2465 exit(1);
2466 }
2467
2468 if (qemu_opt_get_bool(opts, "pretty", 0))
2469 flags |= MONITOR_USE_PRETTY;
2470
2471 if (qemu_opt_get_bool(opts, "default", 0)) {
2472 error_report("option 'default' does nothing and is deprecated");
2473 }
2474
2475 chardev = qemu_opt_get(opts, "chardev");
2476 chr = qemu_chr_find(chardev);
2477 if (chr == NULL) {
2478 error_report("chardev \"%s\" not found", chardev);
2479 exit(1);
2480 }
2481
2482 monitor_init(chr, flags);
2483 return 0;
2484 }
2485
2486 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2487 {
2488 static int monitor_device_index = 0;
2489 QemuOpts *opts;
2490 const char *p;
2491 char label[32];
2492
2493 if (strstart(optarg, "chardev:", &p)) {
2494 snprintf(label, sizeof(label), "%s", p);
2495 } else {
2496 snprintf(label, sizeof(label), "compat_monitor%d",
2497 monitor_device_index);
2498 opts = qemu_chr_parse_compat(label, optarg);
2499 if (!opts) {
2500 error_report("parse error: %s", optarg);
2501 exit(1);
2502 }
2503 }
2504
2505 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2506 qemu_opt_set(opts, "mode", mode, &error_abort);
2507 qemu_opt_set(opts, "chardev", label, &error_abort);
2508 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2509 monitor_device_index++;
2510 }
2511
2512 struct device_config {
2513 enum {
2514 DEV_USB, /* -usbdevice */
2515 DEV_BT, /* -bt */
2516 DEV_SERIAL, /* -serial */
2517 DEV_PARALLEL, /* -parallel */
2518 DEV_VIRTCON, /* -virtioconsole */
2519 DEV_DEBUGCON, /* -debugcon */
2520 DEV_GDB, /* -gdb, -s */
2521 DEV_SCLP, /* s390 sclp */
2522 } type;
2523 const char *cmdline;
2524 Location loc;
2525 QTAILQ_ENTRY(device_config) next;
2526 };
2527
2528 static QTAILQ_HEAD(, device_config) device_configs =
2529 QTAILQ_HEAD_INITIALIZER(device_configs);
2530
2531 static void add_device_config(int type, const char *cmdline)
2532 {
2533 struct device_config *conf;
2534
2535 conf = g_malloc0(sizeof(*conf));
2536 conf->type = type;
2537 conf->cmdline = cmdline;
2538 loc_save(&conf->loc);
2539 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2540 }
2541
2542 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2543 {
2544 struct device_config *conf;
2545 int rc;
2546
2547 QTAILQ_FOREACH(conf, &device_configs, next) {
2548 if (conf->type != type)
2549 continue;
2550 loc_push_restore(&conf->loc);
2551 rc = func(conf->cmdline);
2552 loc_pop(&conf->loc);
2553 if (rc) {
2554 return rc;
2555 }
2556 }
2557 return 0;
2558 }
2559
2560 static int serial_parse(const char *devname)
2561 {
2562 static int index = 0;
2563 char label[32];
2564
2565 if (strcmp(devname, "none") == 0)
2566 return 0;
2567 if (index == MAX_SERIAL_PORTS) {
2568 error_report("too many serial ports");
2569 exit(1);
2570 }
2571 snprintf(label, sizeof(label), "serial%d", index);
2572 serial_hds[index] = qemu_chr_new(label, devname);
2573 if (!serial_hds[index]) {
2574 error_report("could not connect serial device"
2575 " to character backend '%s'", devname);
2576 return -1;
2577 }
2578 index++;
2579 return 0;
2580 }
2581
2582 static int parallel_parse(const char *devname)
2583 {
2584 static int index = 0;
2585 char label[32];
2586
2587 if (strcmp(devname, "none") == 0)
2588 return 0;
2589 if (index == MAX_PARALLEL_PORTS) {
2590 error_report("too many parallel ports");
2591 exit(1);
2592 }
2593 snprintf(label, sizeof(label), "parallel%d", index);
2594 parallel_hds[index] = qemu_chr_new(label, devname);
2595 if (!parallel_hds[index]) {
2596 error_report("could not connect parallel device"
2597 " to character backend '%s'", devname);
2598 return -1;
2599 }
2600 index++;
2601 return 0;
2602 }
2603
2604 static int virtcon_parse(const char *devname)
2605 {
2606 QemuOptsList *device = qemu_find_opts("device");
2607 static int index = 0;
2608 char label[32];
2609 QemuOpts *bus_opts, *dev_opts;
2610
2611 if (strcmp(devname, "none") == 0)
2612 return 0;
2613 if (index == MAX_VIRTIO_CONSOLES) {
2614 error_report("too many virtio consoles");
2615 exit(1);
2616 }
2617
2618 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2619 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2620
2621 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2622 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2623
2624 snprintf(label, sizeof(label), "virtcon%d", index);
2625 virtcon_hds[index] = qemu_chr_new(label, devname);
2626 if (!virtcon_hds[index]) {
2627 error_report("could not connect virtio console"
2628 " to character backend '%s'", devname);
2629 return -1;
2630 }
2631 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2632
2633 index++;
2634 return 0;
2635 }
2636
2637 static int sclp_parse(const char *devname)
2638 {
2639 QemuOptsList *device = qemu_find_opts("device");
2640 static int index = 0;
2641 char label[32];
2642 QemuOpts *dev_opts;
2643
2644 if (strcmp(devname, "none") == 0) {
2645 return 0;
2646 }
2647 if (index == MAX_SCLP_CONSOLES) {
2648 error_report("too many sclp consoles");
2649 exit(1);
2650 }
2651
2652 assert(arch_type == QEMU_ARCH_S390X);
2653
2654 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2655 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2656
2657 snprintf(label, sizeof(label), "sclpcon%d", index);
2658 sclp_hds[index] = qemu_chr_new(label, devname);
2659 if (!sclp_hds[index]) {
2660 error_report("could not connect sclp console"
2661 " to character backend '%s'", devname);
2662 return -1;
2663 }
2664 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2665
2666 index++;
2667 return 0;
2668 }
2669
2670 static int debugcon_parse(const char *devname)
2671 {
2672 QemuOpts *opts;
2673
2674 if (!qemu_chr_new("debugcon", devname)) {
2675 exit(1);
2676 }
2677 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2678 if (!opts) {
2679 error_report("already have a debugcon device");
2680 exit(1);
2681 }
2682 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2683 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2684 return 0;
2685 }
2686
2687 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2688 {
2689 const MachineClass *mc1 = a, *mc2 = b;
2690 int res;
2691
2692 if (mc1->family == NULL) {
2693 if (mc2->family == NULL) {
2694 /* Compare standalone machine types against each other; they sort
2695 * in increasing order.
2696 */
2697 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2698 object_class_get_name(OBJECT_CLASS(mc2)));
2699 }
2700
2701 /* Standalone machine types sort after families. */
2702 return 1;
2703 }
2704
2705 if (mc2->family == NULL) {
2706 /* Families sort before standalone machine types. */
2707 return -1;
2708 }
2709
2710 /* Families sort between each other alphabetically increasingly. */
2711 res = strcmp(mc1->family, mc2->family);
2712 if (res != 0) {
2713 return res;
2714 }
2715
2716 /* Within the same family, machine types sort in decreasing order. */
2717 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2718 object_class_get_name(OBJECT_CLASS(mc1)));
2719 }
2720
2721 static MachineClass *machine_parse(const char *name)
2722 {
2723 MachineClass *mc = NULL;
2724 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2725
2726 if (name) {
2727 mc = find_machine(name);
2728 }
2729 if (mc) {
2730 g_slist_free(machines);
2731 return mc;
2732 }
2733 if (name && !is_help_option(name)) {
2734 error_report("unsupported machine type");
2735 error_printf("Use -machine help to list supported machines\n");
2736 } else {
2737 printf("Supported machines are:\n");
2738 machines = g_slist_sort(machines, machine_class_cmp);
2739 for (el = machines; el; el = el->next) {
2740 MachineClass *mc = el->data;
2741 if (mc->alias) {
2742 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2743 }
2744 printf("%-20s %s%s\n", mc->name, mc->desc,
2745 mc->is_default ? " (default)" : "");
2746 }
2747 }
2748
2749 g_slist_free(machines);
2750 exit(!name || !is_help_option(name));
2751 }
2752
2753 void qemu_add_exit_notifier(Notifier *notify)
2754 {
2755 notifier_list_add(&exit_notifiers, notify);
2756 }
2757
2758 void qemu_remove_exit_notifier(Notifier *notify)
2759 {
2760 notifier_remove(notify);
2761 }
2762
2763 static void qemu_run_exit_notifiers(void)
2764 {
2765 notifier_list_notify(&exit_notifiers, NULL);
2766 }
2767
2768 static bool machine_init_done;
2769
2770 void qemu_add_machine_init_done_notifier(Notifier *notify)
2771 {
2772 notifier_list_add(&machine_init_done_notifiers, notify);
2773 if (machine_init_done) {
2774 notify->notify(notify, NULL);
2775 }
2776 }
2777
2778 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2779 {
2780 notifier_remove(notify);
2781 }
2782
2783 static void qemu_run_machine_init_done_notifiers(void)
2784 {
2785 notifier_list_notify(&machine_init_done_notifiers, NULL);
2786 machine_init_done = true;
2787 }
2788
2789 static const QEMUOption *lookup_opt(int argc, char **argv,
2790 const char **poptarg, int *poptind)
2791 {
2792 const QEMUOption *popt;
2793 int optind = *poptind;
2794 char *r = argv[optind];
2795 const char *optarg;
2796
2797 loc_set_cmdline(argv, optind, 1);
2798 optind++;
2799 /* Treat --foo the same as -foo. */
2800 if (r[1] == '-')
2801 r++;
2802 popt = qemu_options;
2803 for(;;) {
2804 if (!popt->name) {
2805 error_report("invalid option");
2806 exit(1);
2807 }
2808 if (!strcmp(popt->name, r + 1))
2809 break;
2810 popt++;
2811 }
2812 if (popt->flags & HAS_ARG) {
2813 if (optind >= argc) {
2814 error_report("requires an argument");
2815 exit(1);
2816 }
2817 optarg = argv[optind++];
2818 loc_set_cmdline(argv, optind - 2, 2);
2819 } else {
2820 optarg = NULL;
2821 }
2822
2823 *poptarg = optarg;
2824 *poptind = optind;
2825
2826 return popt;
2827 }
2828
2829 static MachineClass *select_machine(void)
2830 {
2831 MachineClass *machine_class = find_default_machine();
2832 const char *optarg;
2833 QemuOpts *opts;
2834 Location loc;
2835
2836 loc_push_none(&loc);
2837
2838 opts = qemu_get_machine_opts();
2839 qemu_opts_loc_restore(opts);
2840
2841 optarg = qemu_opt_get(opts, "type");
2842 if (optarg) {
2843 machine_class = machine_parse(optarg);
2844 }
2845
2846 if (!machine_class) {
2847 error_report("No machine specified, and there is no default");
2848 error_printf("Use -machine help to list supported machines\n");
2849 exit(1);
2850 }
2851
2852 loc_pop(&loc);
2853 return machine_class;
2854 }
2855
2856 static int machine_set_property(void *opaque,
2857 const char *name, const char *value,
2858 Error **errp)
2859 {
2860 Object *obj = OBJECT(opaque);
2861 Error *local_err = NULL;
2862 char *p, *qom_name;
2863
2864 if (strcmp(name, "type") == 0) {
2865 return 0;
2866 }
2867
2868 qom_name = g_strdup(name);
2869 for (p = qom_name; *p; p++) {
2870 if (*p == '_') {
2871 *p = '-';
2872 }
2873 }
2874
2875 object_property_parse(obj, value, qom_name, &local_err);
2876 g_free(qom_name);
2877
2878 if (local_err) {
2879 error_report_err(local_err);
2880 return -1;
2881 }
2882
2883 return 0;
2884 }
2885
2886
2887 /*
2888 * Initial object creation happens before all other
2889 * QEMU data types are created. The majority of objects
2890 * can be created at this point. The rng-egd object
2891 * cannot be created here, as it depends on the chardev
2892 * already existing.
2893 */
2894 static bool object_create_initial(const char *type)
2895 {
2896 if (g_str_equal(type, "rng-egd") ||
2897 g_str_has_prefix(type, "pr-manager-")) {
2898 return false;
2899 }
2900
2901 /*
2902 * return false for concrete netfilters since
2903 * they depend on netdevs already existing
2904 */
2905 if (g_str_equal(type, "filter-buffer") ||
2906 g_str_equal(type, "filter-dump") ||
2907 g_str_equal(type, "filter-mirror") ||
2908 g_str_equal(type, "filter-redirector") ||
2909 g_str_equal(type, "colo-compare") ||
2910 g_str_equal(type, "filter-rewriter") ||
2911 g_str_equal(type, "filter-replay")) {
2912 return false;
2913 }
2914
2915 /* Memory allocation by backends needs to be done
2916 * after configure_accelerator() (due to the tcg_enabled()
2917 * checks at memory_region_init_*()).
2918 *
2919 * Also, allocation of large amounts of memory may delay
2920 * chardev initialization for too long, and trigger timeouts
2921 * on software that waits for a monitor socket to be created
2922 * (e.g. libvirt).
2923 */
2924 if (g_str_has_prefix(type, "memory-backend-")) {
2925 return false;
2926 }
2927
2928 return true;
2929 }
2930
2931
2932 /*
2933 * The remainder of object creation happens after the
2934 * creation of chardev, fsdev, net clients and device data types.
2935 */
2936 static bool object_create_delayed(const char *type)
2937 {
2938 return !object_create_initial(type);
2939 }
2940
2941
2942 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2943 MachineClass *mc)
2944 {
2945 uint64_t sz;
2946 const char *mem_str;
2947 const char *maxmem_str, *slots_str;
2948 const ram_addr_t default_ram_size = mc->default_ram_size;
2949 QemuOpts *opts = qemu_find_opts_singleton("memory");
2950 Location loc;
2951
2952 loc_push_none(&loc);
2953 qemu_opts_loc_restore(opts);
2954
2955 sz = 0;
2956 mem_str = qemu_opt_get(opts, "size");
2957 if (mem_str) {
2958 if (!*mem_str) {
2959 error_report("missing 'size' option value");
2960 exit(EXIT_FAILURE);
2961 }
2962
2963 sz = qemu_opt_get_size(opts, "size", ram_size);
2964
2965 /* Fix up legacy suffix-less format */
2966 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2967 uint64_t overflow_check = sz;
2968
2969 sz <<= 20;
2970 if ((sz >> 20) != overflow_check) {
2971 error_report("too large 'size' option value");
2972 exit(EXIT_FAILURE);
2973 }
2974 }
2975 }
2976
2977 /* backward compatibility behaviour for case "-m 0" */
2978 if (sz == 0) {
2979 sz = default_ram_size;
2980 }
2981
2982 sz = QEMU_ALIGN_UP(sz, 8192);
2983 ram_size = sz;
2984 if (ram_size != sz) {
2985 error_report("ram size too large");
2986 exit(EXIT_FAILURE);
2987 }
2988
2989 /* store value for the future use */
2990 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2991 *maxram_size = ram_size;
2992
2993 maxmem_str = qemu_opt_get(opts, "maxmem");
2994 slots_str = qemu_opt_get(opts, "slots");
2995 if (maxmem_str && slots_str) {
2996 uint64_t slots;
2997
2998 sz = qemu_opt_get_size(opts, "maxmem", 0);
2999 slots = qemu_opt_get_number(opts, "slots", 0);
3000 if (sz < ram_size) {
3001 error_report("invalid value of -m option maxmem: "
3002 "maximum memory size (0x%" PRIx64 ") must be at least "
3003 "the initial memory size (0x" RAM_ADDR_FMT ")",
3004 sz, ram_size);
3005 exit(EXIT_FAILURE);
3006 } else if (sz > ram_size) {
3007 if (!slots) {
3008 error_report("invalid value of -m option: maxmem was "
3009 "specified, but no hotplug slots were specified");
3010 exit(EXIT_FAILURE);
3011 }
3012 } else if (slots) {
3013 error_report("invalid value of -m option maxmem: "
3014 "memory slots were specified but maximum memory size "
3015 "(0x%" PRIx64 ") is equal to the initial memory size "
3016 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3017 exit(EXIT_FAILURE);
3018 }
3019
3020 *maxram_size = sz;
3021 *ram_slots = slots;
3022 } else if ((!maxmem_str && slots_str) ||
3023 (maxmem_str && !slots_str)) {
3024 error_report("invalid -m option value: missing "
3025 "'%s' option", slots_str ? "maxmem" : "slots");
3026 exit(EXIT_FAILURE);
3027 }
3028
3029 loc_pop(&loc);
3030 }
3031
3032 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
3033 {
3034 GlobalProperty *g;
3035
3036 g = g_malloc0(sizeof(*g));
3037 g->driver = qemu_opt_get(opts, "driver");
3038 g->property = qemu_opt_get(opts, "property");
3039 g->value = qemu_opt_get(opts, "value");
3040 g->user_provided = true;
3041 g->errp = &error_fatal;
3042 qdev_prop_register_global(g);
3043 return 0;
3044 }
3045
3046 static int qemu_read_default_config_file(void)
3047 {
3048 int ret;
3049
3050 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3051 if (ret < 0 && ret != -ENOENT) {
3052 return ret;
3053 }
3054
3055 return 0;
3056 }
3057
3058 static void user_register_global_props(void)
3059 {
3060 qemu_opts_foreach(qemu_find_opts("global"),
3061 global_init_func, NULL, NULL);
3062 }
3063
3064 /*
3065 * Note: we should see that these properties are actually having a
3066 * priority: accel < machine < user. This means e.g. when user
3067 * specifies something in "-global", it'll always be used with highest
3068 * priority than either machine/accelerator compat properties.
3069 */
3070 static void register_global_properties(MachineState *ms)
3071 {
3072 accel_register_compat_props(ms->accelerator);
3073 machine_register_compat_props(ms);
3074 user_register_global_props();
3075 }
3076
3077 int main(int argc, char **argv, char **envp)
3078 {
3079 int i;
3080 int snapshot, linux_boot;
3081 const char *initrd_filename;
3082 const char *kernel_filename, *kernel_cmdline;
3083 const char *boot_order = NULL;
3084 const char *boot_once = NULL;
3085 DisplayState *ds;
3086 int cyls, heads, secs, translation;
3087 QemuOpts *opts, *machine_opts;
3088 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3089 QemuOptsList *olist;
3090 int optind;
3091 const char *optarg;
3092 const char *loadvm = NULL;
3093 MachineClass *machine_class;
3094 const char *cpu_model;
3095 const char *vga_model = NULL;
3096 const char *qtest_chrdev = NULL;
3097 const char *qtest_log = NULL;
3098 const char *pid_file = NULL;
3099 const char *incoming = NULL;
3100 bool defconfig = true;
3101 bool userconfig = true;
3102 bool nographic = false;
3103 DisplayType display_type = DT_DEFAULT;
3104 int display_remote = 0;
3105 const char *log_mask = NULL;
3106 const char *log_file = NULL;
3107 char *trace_file = NULL;
3108 ram_addr_t maxram_size;
3109 uint64_t ram_slots = 0;
3110 FILE *vmstate_dump_file = NULL;
3111 Error *main_loop_err = NULL;
3112 Error *err = NULL;
3113 bool list_data_dirs = false;
3114 typedef struct BlockdevOptions_queue {
3115 BlockdevOptions *bdo;
3116 Location loc;
3117 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3118 } BlockdevOptions_queue;
3119 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3120 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3121
3122 module_call_init(MODULE_INIT_TRACE);
3123
3124 qemu_init_cpu_list();
3125 qemu_init_cpu_loop();
3126 qemu_mutex_lock_iothread();
3127
3128 atexit(qemu_run_exit_notifiers);
3129 error_set_progname(argv[0]);
3130 qemu_init_exec_dir(argv[0]);
3131
3132 module_call_init(MODULE_INIT_QOM);
3133 monitor_init_qmp_commands();
3134
3135 qemu_add_opts(&qemu_drive_opts);
3136 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3137 qemu_add_drive_opts(&qemu_common_drive_opts);
3138 qemu_add_drive_opts(&qemu_drive_opts);
3139 qemu_add_drive_opts(&bdrv_runtime_opts);
3140 qemu_add_opts(&qemu_chardev_opts);
3141 qemu_add_opts(&qemu_device_opts);
3142 qemu_add_opts(&qemu_netdev_opts);
3143 qemu_add_opts(&qemu_net_opts);
3144 qemu_add_opts(&qemu_rtc_opts);
3145 qemu_add_opts(&qemu_global_opts);
3146 qemu_add_opts(&qemu_mon_opts);
3147 qemu_add_opts(&qemu_trace_opts);
3148 qemu_add_opts(&qemu_option_rom_opts);
3149 qemu_add_opts(&qemu_machine_opts);
3150 qemu_add_opts(&qemu_accel_opts);
3151 qemu_add_opts(&qemu_mem_opts);
3152 qemu_add_opts(&qemu_smp_opts);
3153 qemu_add_opts(&qemu_boot_opts);
3154 qemu_add_opts(&qemu_sandbox_opts);
3155 qemu_add_opts(&qemu_add_fd_opts);
3156 qemu_add_opts(&qemu_object_opts);
3157 qemu_add_opts(&qemu_tpmdev_opts);
3158 qemu_add_opts(&qemu_realtime_opts);
3159 qemu_add_opts(&qemu_msg_opts);
3160 qemu_add_opts(&qemu_name_opts);
3161 qemu_add_opts(&qemu_numa_opts);
3162 qemu_add_opts(&qemu_icount_opts);
3163 qemu_add_opts(&qemu_semihosting_config_opts);
3164 qemu_add_opts(&qemu_fw_cfg_opts);
3165 module_call_init(MODULE_INIT_OPTS);
3166
3167 runstate_init();
3168
3169 if (qcrypto_init(&err) < 0) {
3170 error_reportf_err(err, "cannot initialize crypto: ");
3171 exit(1);
3172 }
3173 rtc_clock = QEMU_CLOCK_HOST;
3174
3175 QLIST_INIT (&vm_change_state_head);
3176 os_setup_early_signal_handling();
3177
3178 cpu_model = NULL;
3179 snapshot = 0;
3180 cyls = heads = secs = 0;
3181 translation = BIOS_ATA_TRANSLATION_AUTO;
3182
3183 nb_nics = 0;
3184
3185 bdrv_init_with_whitelist();
3186
3187 autostart = 1;
3188
3189 /* first pass of option parsing */
3190 optind = 1;
3191 while (optind < argc) {
3192 if (argv[optind][0] != '-') {
3193 /* disk image */
3194 optind++;
3195 } else {
3196 const QEMUOption *popt;
3197
3198 popt = lookup_opt(argc, argv, &optarg, &optind);
3199 switch (popt->index) {
3200 case QEMU_OPTION_nodefconfig:
3201 defconfig = false;
3202 break;
3203 case QEMU_OPTION_nouserconfig:
3204 userconfig = false;
3205 break;
3206 }
3207 }
3208 }
3209
3210 if (defconfig && userconfig) {
3211 if (qemu_read_default_config_file() < 0) {
3212 exit(1);
3213 }
3214 }
3215
3216 /* second pass of option parsing */
3217 optind = 1;
3218 for(;;) {
3219 if (optind >= argc)
3220 break;
3221 if (argv[optind][0] != '-') {
3222 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3223 } else {
3224 const QEMUOption *popt;
3225
3226 popt = lookup_opt(argc, argv, &optarg, &optind);
3227 if (!(popt->arch_mask & arch_type)) {
3228 error_report("Option not supported for this target");
3229 exit(1);
3230 }
3231 switch(popt->index) {
3232 case QEMU_OPTION_no_kvm_irqchip: {
3233 olist = qemu_find_opts("machine");
3234 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3235 break;
3236 }
3237 case QEMU_OPTION_cpu:
3238 /* hw initialization will check this */
3239 cpu_model = optarg;
3240 break;
3241 case QEMU_OPTION_hda:
3242 {
3243 char buf[256];
3244 if (cyls == 0)
3245 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3246 else
3247 snprintf(buf, sizeof(buf),
3248 "%s,cyls=%d,heads=%d,secs=%d%s",
3249 HD_OPTS , cyls, heads, secs,
3250 translation == BIOS_ATA_TRANSLATION_LBA ?
3251 ",trans=lba" :
3252 translation == BIOS_ATA_TRANSLATION_NONE ?
3253 ",trans=none" : "");
3254 drive_add(IF_DEFAULT, 0, optarg, buf);
3255 break;
3256 }
3257 case QEMU_OPTION_hdb:
3258 case QEMU_OPTION_hdc:
3259 case QEMU_OPTION_hdd:
3260 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3261 HD_OPTS);
3262 break;
3263 case QEMU_OPTION_blockdev:
3264 {
3265 Visitor *v;
3266 BlockdevOptions_queue *bdo;
3267
3268 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3269 if (!v) {
3270 error_report_err(err);
3271 exit(1);
3272 }
3273
3274 bdo = g_new(BlockdevOptions_queue, 1);
3275 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3276 &error_fatal);
3277 visit_free(v);
3278 loc_save(&bdo->loc);
3279 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3280 break;
3281 }
3282 case QEMU_OPTION_drive:
3283 if (drive_def(optarg) == NULL) {
3284 exit(1);
3285 }
3286 break;
3287 case QEMU_OPTION_set:
3288 if (qemu_set_option(optarg) != 0)
3289 exit(1);
3290 break;
3291 case QEMU_OPTION_global:
3292 if (qemu_global_option(optarg) != 0)
3293 exit(1);
3294 break;
3295 case QEMU_OPTION_mtdblock:
3296 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3297 break;
3298 case QEMU_OPTION_sd:
3299 drive_add(IF_SD, -1, optarg, SD_OPTS);
3300 break;
3301 case QEMU_OPTION_pflash:
3302 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3303 break;
3304 case QEMU_OPTION_snapshot:
3305 snapshot = 1;
3306 break;
3307 case QEMU_OPTION_hdachs:
3308 {
3309 const char *p;
3310 p = optarg;
3311 cyls = strtol(p, (char **)&p, 0);
3312 if (cyls < 1 || cyls > 16383)
3313 goto chs_fail;
3314 if (*p != ',')
3315 goto chs_fail;
3316 p++;
3317 heads = strtol(p, (char **)&p, 0);
3318 if (heads < 1 || heads > 16)
3319 goto chs_fail;
3320 if (*p != ',')
3321 goto chs_fail;
3322 p++;
3323 secs = strtol(p, (char **)&p, 0);
3324 if (secs < 1 || secs > 63)
3325 goto chs_fail;
3326 if (*p == ',') {
3327 p++;
3328 if (!strcmp(p, "large")) {
3329 translation = BIOS_ATA_TRANSLATION_LARGE;
3330 } else if (!strcmp(p, "rechs")) {
3331 translation = BIOS_ATA_TRANSLATION_RECHS;
3332 } else if (!strcmp(p, "none")) {
3333 translation = BIOS_ATA_TRANSLATION_NONE;
3334 } else if (!strcmp(p, "lba")) {
3335 translation = BIOS_ATA_TRANSLATION_LBA;
3336 } else if (!strcmp(p, "auto")) {
3337 translation = BIOS_ATA_TRANSLATION_AUTO;
3338 } else {
3339 goto chs_fail;
3340 }
3341 } else if (*p != '\0') {
3342 chs_fail:
3343 error_report("invalid physical CHS format");
3344 exit(1);
3345 }
3346 if (hda_opts != NULL) {
3347 qemu_opt_set_number(hda_opts, "cyls", cyls,
3348 &error_abort);
3349 qemu_opt_set_number(hda_opts, "heads", heads,
3350 &error_abort);
3351 qemu_opt_set_number(hda_opts, "secs", secs,
3352 &error_abort);
3353 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3354 qemu_opt_set(hda_opts, "trans", "large",
3355 &error_abort);
3356 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3357 qemu_opt_set(hda_opts, "trans", "rechs",
3358 &error_abort);
3359 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3360 qemu_opt_set(hda_opts, "trans", "lba",
3361 &error_abort);
3362 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3363 qemu_opt_set(hda_opts, "trans", "none",
3364 &error_abort);
3365 }
3366 }
3367 }
3368 error_report("'-hdachs' is deprecated, please use '-device"
3369 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3370 break;
3371 case QEMU_OPTION_numa:
3372 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3373 optarg, true);
3374 if (!opts) {
3375 exit(1);
3376 }
3377 break;
3378 case QEMU_OPTION_display:
3379 display_type = select_display(optarg);
3380 break;
3381 case QEMU_OPTION_nographic:
3382 olist = qemu_find_opts("machine");
3383 qemu_opts_parse_noisily(olist, "graphics=off", false);
3384 nographic = true;
3385 display_type = DT_NONE;
3386 break;
3387 case QEMU_OPTION_curses:
3388 #ifdef CONFIG_CURSES
3389 display_type = DT_CURSES;
3390 #else
3391 error_report("curses support is disabled");
3392 exit(1);
3393 #endif
3394 break;
3395 case QEMU_OPTION_portrait:
3396 graphic_rotate = 90;
3397 break;
3398 case QEMU_OPTION_rotate:
3399 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3400 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3401 graphic_rotate != 180 && graphic_rotate != 270) {
3402 error_report("only 90, 180, 270 deg rotation is available");
3403 exit(1);
3404 }
3405 break;
3406 case QEMU_OPTION_kernel:
3407 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3408 &error_abort);
3409 break;
3410 case QEMU_OPTION_initrd:
3411 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3412 &error_abort);
3413 break;
3414 case QEMU_OPTION_append:
3415 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3416 &error_abort);
3417 break;
3418 case QEMU_OPTION_dtb:
3419 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3420 &error_abort);
3421 break;
3422 case QEMU_OPTION_cdrom:
3423 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3424 break;
3425 case QEMU_OPTION_boot:
3426 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3427 optarg, true);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 break;
3432 case QEMU_OPTION_fda:
3433 case QEMU_OPTION_fdb:
3434 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3435 optarg, FD_OPTS);
3436 break;
3437 case QEMU_OPTION_no_fd_bootchk:
3438 fd_bootchk = 0;
3439 break;
3440 case QEMU_OPTION_netdev:
3441 default_net = 0;
3442 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3443 exit(1);
3444 }
3445 break;
3446 case QEMU_OPTION_net:
3447 default_net = 0;
3448 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3449 exit(1);
3450 }
3451 break;
3452 #ifdef CONFIG_LIBISCSI
3453 case QEMU_OPTION_iscsi:
3454 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3455 optarg, false);
3456 if (!opts) {
3457 exit(1);
3458 }
3459 break;
3460 #endif
3461 #ifdef CONFIG_SLIRP
3462 case QEMU_OPTION_tftp:
3463 error_report("The -tftp option is deprecated. "
3464 "Please use '-netdev user,tftp=...' instead.");
3465 legacy_tftp_prefix = optarg;
3466 break;
3467 case QEMU_OPTION_bootp:
3468 error_report("The -bootp option is deprecated. "
3469 "Please use '-netdev user,bootfile=...' instead.");
3470 legacy_bootp_filename = optarg;
3471 break;
3472 case QEMU_OPTION_redir:
3473 error_report("The -redir option is deprecated. "
3474 "Please use '-netdev user,hostfwd=...' instead.");
3475 if (net_slirp_redir(optarg) < 0)
3476 exit(1);
3477 break;
3478 #endif
3479 case QEMU_OPTION_bt:
3480 add_device_config(DEV_BT, optarg);
3481 break;
3482 case QEMU_OPTION_audio_help:
3483 AUD_help ();
3484 exit (0);
3485 break;
3486 case QEMU_OPTION_soundhw:
3487 select_soundhw (optarg);
3488 break;
3489 case QEMU_OPTION_h:
3490 help(0);
3491 break;
3492 case QEMU_OPTION_version:
3493 version();
3494 exit(0);
3495 break;
3496 case QEMU_OPTION_m:
3497 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3498 optarg, true);
3499 if (!opts) {
3500 exit(EXIT_FAILURE);
3501 }
3502 break;
3503 #ifdef CONFIG_TPM
3504 case QEMU_OPTION_tpmdev:
3505 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3506 exit(1);
3507 }
3508 break;
3509 #endif
3510 case QEMU_OPTION_mempath:
3511 mem_path = optarg;
3512 break;
3513 case QEMU_OPTION_mem_prealloc:
3514 mem_prealloc = 1;
3515 break;
3516 case QEMU_OPTION_d:
3517 log_mask = optarg;
3518 break;
3519 case QEMU_OPTION_D:
3520 log_file = optarg;
3521 break;
3522 case QEMU_OPTION_DFILTER:
3523 qemu_set_dfilter_ranges(optarg, &error_fatal);
3524 break;
3525 case QEMU_OPTION_s:
3526 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3527 break;
3528 case QEMU_OPTION_gdb:
3529 add_device_config(DEV_GDB, optarg);
3530 break;
3531 case QEMU_OPTION_L:
3532 if (is_help_option(optarg)) {
3533 list_data_dirs = true;
3534 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3535 data_dir[data_dir_idx++] = optarg;
3536 }
3537 break;
3538 case QEMU_OPTION_bios:
3539 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3540 &error_abort);
3541 break;
3542 case QEMU_OPTION_singlestep:
3543 singlestep = 1;
3544 break;
3545 case QEMU_OPTION_S:
3546 autostart = 0;
3547 break;
3548 case QEMU_OPTION_k:
3549 keyboard_layout = optarg;
3550 break;
3551 case QEMU_OPTION_localtime:
3552 rtc_utc = 0;
3553 break;
3554 case QEMU_OPTION_vga:
3555 vga_model = optarg;
3556 default_vga = 0;
3557 break;
3558 case QEMU_OPTION_g:
3559 {
3560 const char *p;
3561 int w, h, depth;
3562 p = optarg;
3563 w = strtol(p, (char **)&p, 10);
3564 if (w <= 0) {
3565 graphic_error:
3566 error_report("invalid resolution or depth");
3567 exit(1);
3568 }
3569 if (*p != 'x')
3570 goto graphic_error;
3571 p++;
3572 h = strtol(p, (char **)&p, 10);
3573 if (h <= 0)
3574 goto graphic_error;
3575 if (*p == 'x') {
3576 p++;
3577 depth = strtol(p, (char **)&p, 10);
3578 if (depth != 8 && depth != 15 && depth != 16 &&
3579 depth != 24 && depth != 32)
3580 goto graphic_error;
3581 } else if (*p == '\0') {
3582 depth = graphic_depth;
3583 } else {
3584 goto graphic_error;
3585 }
3586
3587 graphic_width = w;
3588 graphic_height = h;
3589 graphic_depth = depth;
3590 }
3591 break;
3592 case QEMU_OPTION_echr:
3593 {
3594 char *r;
3595 term_escape_char = strtol(optarg, &r, 0);
3596 if (r == optarg)
3597 printf("Bad argument to echr\n");
3598 break;
3599 }
3600 case QEMU_OPTION_monitor:
3601 default_monitor = 0;
3602 if (strncmp(optarg, "none", 4)) {
3603 monitor_parse(optarg, "readline", false);
3604 }
3605 break;
3606 case QEMU_OPTION_qmp:
3607 monitor_parse(optarg, "control", false);
3608 default_monitor = 0;
3609 break;
3610 case QEMU_OPTION_qmp_pretty:
3611 monitor_parse(optarg, "control", true);
3612 default_monitor = 0;
3613 break;
3614 case QEMU_OPTION_mon:
3615 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3616 true);
3617 if (!opts) {
3618 exit(1);
3619 }
3620 default_monitor = 0;
3621 break;
3622 case QEMU_OPTION_chardev:
3623 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3624 optarg, true);
3625 if (!opts) {
3626 exit(1);
3627 }
3628 break;
3629 case QEMU_OPTION_fsdev:
3630 olist = qemu_find_opts("fsdev");
3631 if (!olist) {
3632 error_report("fsdev support is disabled");
3633 exit(1);
3634 }
3635 opts = qemu_opts_parse_noisily(olist, optarg, true);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 break;
3640 case QEMU_OPTION_virtfs: {
3641 QemuOpts *fsdev;
3642 QemuOpts *device;
3643 const char *writeout, *sock_fd, *socket, *path, *security_model;
3644
3645 olist = qemu_find_opts("virtfs");
3646 if (!olist) {
3647 error_report("virtfs support is disabled");
3648 exit(1);
3649 }
3650 opts = qemu_opts_parse_noisily(olist, optarg, true);
3651 if (!opts) {
3652 exit(1);
3653 }
3654
3655 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3656 qemu_opt_get(opts, "mount_tag") == NULL) {
3657 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3658 exit(1);
3659 }
3660 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3661 qemu_opts_id(opts) ?:
3662 qemu_opt_get(opts, "mount_tag"),
3663 1, NULL);
3664 if (!fsdev) {
3665 error_report("duplicate or invalid fsdev id: %s",
3666 qemu_opt_get(opts, "mount_tag"));
3667 exit(1);
3668 }
3669
3670 writeout = qemu_opt_get(opts, "writeout");
3671 if (writeout) {
3672 #ifdef CONFIG_SYNC_FILE_RANGE
3673 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3674 #else
3675 error_report("writeout=immediate not supported "
3676 "on this platform");
3677 exit(1);
3678 #endif
3679 }
3680 qemu_opt_set(fsdev, "fsdriver",
3681 qemu_opt_get(opts, "fsdriver"), &error_abort);
3682 path = qemu_opt_get(opts, "path");
3683 if (path) {
3684 qemu_opt_set(fsdev, "path", path, &error_abort);
3685 }
3686 security_model = qemu_opt_get(opts, "security_model");
3687 if (security_model) {
3688 qemu_opt_set(fsdev, "security_model", security_model,
3689 &error_abort);
3690 }
3691 socket = qemu_opt_get(opts, "socket");
3692 if (socket) {
3693 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3694 }
3695 sock_fd = qemu_opt_get(opts, "sock_fd");
3696 if (sock_fd) {
3697 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3698 }
3699
3700 qemu_opt_set_bool(fsdev, "readonly",
3701 qemu_opt_get_bool(opts, "readonly", 0),
3702 &error_abort);
3703 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3704 &error_abort);
3705 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3706 qemu_opt_set(device, "fsdev",
3707 qemu_opts_id(fsdev), &error_abort);
3708 qemu_opt_set(device, "mount_tag",
3709 qemu_opt_get(opts, "mount_tag"), &error_abort);
3710 break;
3711 }
3712 case QEMU_OPTION_virtfs_synth: {
3713 QemuOpts *fsdev;
3714 QemuOpts *device;
3715
3716 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3717 1, NULL);
3718 if (!fsdev) {
3719 error_report("duplicate option: %s", "virtfs_synth");
3720 exit(1);
3721 }
3722 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3723
3724 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3725 &error_abort);
3726 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3727 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3728 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3729 break;
3730 }
3731 case QEMU_OPTION_serial:
3732 add_device_config(DEV_SERIAL, optarg);
3733 default_serial = 0;
3734 if (strncmp(optarg, "mon:", 4) == 0) {
3735 default_monitor = 0;
3736 }
3737 break;
3738 case QEMU_OPTION_watchdog:
3739 if (watchdog) {
3740 error_report("only one watchdog option may be given");
3741 return 1;
3742 }
3743 watchdog = optarg;
3744 break;
3745 case QEMU_OPTION_watchdog_action:
3746 if (select_watchdog_action(optarg) == -1) {
3747 error_report("unknown -watchdog-action parameter");
3748 exit(1);
3749 }
3750 break;
3751 case QEMU_OPTION_virtiocon:
3752 add_device_config(DEV_VIRTCON, optarg);
3753 default_virtcon = 0;
3754 if (strncmp(optarg, "mon:", 4) == 0) {
3755 default_monitor = 0;
3756 }
3757 break;
3758 case QEMU_OPTION_parallel:
3759 add_device_config(DEV_PARALLEL, optarg);
3760 default_parallel = 0;
3761 if (strncmp(optarg, "mon:", 4) == 0) {
3762 default_monitor = 0;
3763 }
3764 break;
3765 case QEMU_OPTION_debugcon:
3766 add_device_config(DEV_DEBUGCON, optarg);
3767 break;
3768 case QEMU_OPTION_loadvm:
3769 loadvm = optarg;
3770 break;
3771 case QEMU_OPTION_full_screen:
3772 full_screen = 1;
3773 break;
3774 case QEMU_OPTION_no_frame:
3775 no_frame = 1;
3776 break;
3777 case QEMU_OPTION_alt_grab:
3778 alt_grab = 1;
3779 break;
3780 case QEMU_OPTION_ctrl_grab:
3781 ctrl_grab = 1;
3782 break;
3783 case QEMU_OPTION_no_quit:
3784 no_quit = 1;
3785 break;
3786 case QEMU_OPTION_sdl:
3787 #ifdef CONFIG_SDL
3788 display_type = DT_SDL;
3789 break;
3790 #else
3791 error_report("SDL support is disabled");
3792 exit(1);
3793 #endif
3794 case QEMU_OPTION_pidfile:
3795 pid_file = optarg;
3796 break;
3797 case QEMU_OPTION_win2k_hack:
3798 win2k_install_hack = 1;
3799 break;
3800 case QEMU_OPTION_rtc_td_hack: {
3801 static GlobalProperty slew_lost_ticks = {
3802 .driver = "mc146818rtc",
3803 .property = "lost_tick_policy",
3804 .value = "slew",
3805 };
3806
3807 qdev_prop_register_global(&slew_lost_ticks);
3808 break;
3809 }
3810 case QEMU_OPTION_acpitable:
3811 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3812 optarg, true);
3813 if (!opts) {
3814 exit(1);
3815 }
3816 acpi_table_add(opts, &error_fatal);
3817 break;
3818 case QEMU_OPTION_smbios:
3819 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3820 optarg, false);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 smbios_entry_add(opts, &error_fatal);
3825 break;
3826 case QEMU_OPTION_fwcfg:
3827 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3828 optarg, true);
3829 if (opts == NULL) {
3830 exit(1);
3831 }
3832 break;
3833 case QEMU_OPTION_enable_kvm:
3834 olist = qemu_find_opts("machine");
3835 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3836 break;
3837 case QEMU_OPTION_enable_hax:
3838 olist = qemu_find_opts("machine");
3839 qemu_opts_parse_noisily(olist, "accel=hax", false);
3840 break;
3841 case QEMU_OPTION_M:
3842 case QEMU_OPTION_machine:
3843 olist = qemu_find_opts("machine");
3844 opts = qemu_opts_parse_noisily(olist, optarg, true);
3845 if (!opts) {
3846 exit(1);
3847 }
3848 break;
3849 case QEMU_OPTION_no_kvm:
3850 olist = qemu_find_opts("machine");
3851 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3852 break;
3853 case QEMU_OPTION_no_kvm_pit: {
3854 warn_report("ignoring deprecated option");
3855 break;
3856 }
3857 case QEMU_OPTION_no_kvm_pit_reinjection: {
3858 static GlobalProperty kvm_pit_lost_tick_policy = {
3859 .driver = "kvm-pit",
3860 .property = "lost_tick_policy",
3861 .value = "discard",
3862 };
3863
3864 warn_report("deprecated, replaced by "
3865 "-global kvm-pit.lost_tick_policy=discard");
3866 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3867 break;
3868 }
3869 case QEMU_OPTION_accel:
3870 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3871 optarg, true);
3872 optarg = qemu_opt_get(accel_opts, "accel");
3873 if (!optarg || is_help_option(optarg)) {
3874 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3875 exit(0);
3876 }
3877 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3878 false, &error_abort);
3879 qemu_opt_set(opts, "accel", optarg, &error_abort);
3880 break;
3881 case QEMU_OPTION_usb:
3882 olist = qemu_find_opts("machine");
3883 qemu_opts_parse_noisily(olist, "usb=on", false);
3884 break;
3885 case QEMU_OPTION_usbdevice:
3886 error_report("'-usbdevice' is deprecated, please use "
3887 "'-device usb-...' instead");
3888 olist = qemu_find_opts("machine");
3889 qemu_opts_parse_noisily(olist, "usb=on", false);
3890 add_device_config(DEV_USB, optarg);
3891 break;
3892 case QEMU_OPTION_device:
3893 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3894 optarg, true)) {
3895 exit(1);
3896 }
3897 break;
3898 case QEMU_OPTION_smp:
3899 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3900 optarg, true)) {
3901 exit(1);
3902 }
3903 break;
3904 case QEMU_OPTION_vnc:
3905 vnc_parse(optarg, &error_fatal);
3906 break;
3907 case QEMU_OPTION_no_acpi:
3908 acpi_enabled = 0;
3909 break;
3910 case QEMU_OPTION_no_hpet:
3911 no_hpet = 1;
3912 break;
3913 case QEMU_OPTION_balloon:
3914 if (balloon_parse(optarg) < 0) {
3915 error_report("unknown -balloon argument %s", optarg);
3916 exit(1);
3917 }
3918 break;
3919 case QEMU_OPTION_no_reboot:
3920 no_reboot = 1;
3921 break;
3922 case QEMU_OPTION_no_shutdown:
3923 no_shutdown = 1;
3924 break;
3925 case QEMU_OPTION_show_cursor:
3926 cursor_hide = 0;
3927 break;
3928 case QEMU_OPTION_uuid:
3929 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3930 error_report("failed to parse UUID string: wrong format");
3931 exit(1);
3932 }
3933 qemu_uuid_set = true;
3934 break;
3935 case QEMU_OPTION_option_rom:
3936 if (nb_option_roms >= MAX_OPTION_ROMS) {
3937 error_report("too many option ROMs");
3938 exit(1);
3939 }
3940 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3941 optarg, true);
3942 if (!opts) {
3943 exit(1);
3944 }
3945 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3946 option_rom[nb_option_roms].bootindex =
3947 qemu_opt_get_number(opts, "bootindex", -1);
3948 if (!option_rom[nb_option_roms].name) {
3949 error_report("Option ROM file is not specified");
3950 exit(1);
3951 }
3952 nb_option_roms++;
3953 break;
3954 case QEMU_OPTION_semihosting:
3955 semihosting.enabled = true;
3956 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3957 break;
3958 case QEMU_OPTION_semihosting_config:
3959 semihosting.enabled = true;
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3961 optarg, false);
3962 if (opts != NULL) {
3963 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3964 true);
3965 const char *target = qemu_opt_get(opts, "target");
3966 if (target != NULL) {
3967 if (strcmp("native", target) == 0) {
3968 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3969 } else if (strcmp("gdb", target) == 0) {
3970 semihosting.target = SEMIHOSTING_TARGET_GDB;
3971 } else if (strcmp("auto", target) == 0) {
3972 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3973 } else {
3974 error_report("unsupported semihosting-config %s",
3975 optarg);
3976 exit(1);
3977 }
3978 } else {
3979 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3980 }
3981 /* Set semihosting argument count and vector */
3982 qemu_opt_foreach(opts, add_semihosting_arg,
3983 &semihosting, NULL);
3984 } else {
3985 error_report("unsupported semihosting-config %s", optarg);
3986 exit(1);
3987 }
3988 break;
3989 case QEMU_OPTION_tdf:
3990 warn_report("ignoring deprecated option");
3991 break;
3992 case QEMU_OPTION_name:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3994 optarg, true);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 break;
3999 case QEMU_OPTION_prom_env:
4000 if (nb_prom_envs >= MAX_PROM_ENVS) {
4001 error_report("too many prom variables");
4002 exit(1);
4003 }
4004 prom_envs[nb_prom_envs] = optarg;
4005 nb_prom_envs++;
4006 break;
4007 case QEMU_OPTION_old_param:
4008 old_param = 1;
4009 break;
4010 case QEMU_OPTION_clock:
4011 /* Clock options no longer exist. Keep this option for
4012 * backward compatibility.
4013 */
4014 break;
4015 case QEMU_OPTION_startdate:
4016 configure_rtc_date_offset(optarg, 1);
4017 break;
4018 case QEMU_OPTION_rtc:
4019 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
4020 false);
4021 if (!opts) {
4022 exit(1);
4023 }
4024 configure_rtc(opts);
4025 break;
4026 case QEMU_OPTION_tb_size:
4027 #ifndef CONFIG_TCG
4028 error_report("TCG is disabled");
4029 exit(1);
4030 #endif
4031 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
4032 error_report("Invalid argument to -tb-size");
4033 exit(1);
4034 }
4035 break;
4036 case QEMU_OPTION_icount:
4037 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
4038 optarg, true);
4039 if (!icount_opts) {
4040 exit(1);
4041 }
4042 break;
4043 case QEMU_OPTION_incoming:
4044 if (!incoming) {
4045 runstate_set(RUN_STATE_INMIGRATE);
4046 }
4047 incoming = optarg;
4048 break;
4049 case QEMU_OPTION_only_migratable:
4050 /*
4051 * TODO: we can remove this option one day, and we
4052 * should all use:
4053 *
4054 * "-global migration.only-migratable=true"
4055 */
4056 qemu_global_option("migration.only-migratable=true");
4057 break;
4058 case QEMU_OPTION_nodefaults:
4059 has_defaults = 0;
4060 break;
4061 case QEMU_OPTION_xen_domid:
4062 if (!(xen_available())) {
4063 error_report("Option not supported for this target");
4064 exit(1);
4065 }
4066 xen_domid = atoi(optarg);
4067 break;
4068 case QEMU_OPTION_xen_create:
4069 if (!(xen_available())) {
4070 error_report("Option not supported for this target");
4071 exit(1);
4072 }
4073 xen_mode = XEN_CREATE;
4074 break;
4075 case QEMU_OPTION_xen_attach:
4076 if (!(xen_available())) {
4077 error_report("Option not supported for this target");
4078 exit(1);
4079 }
4080 xen_mode = XEN_ATTACH;
4081 break;
4082 case QEMU_OPTION_xen_domid_restrict:
4083 if (!(xen_available())) {
4084 error_report("Option not supported for this target");
4085 exit(1);
4086 }
4087 xen_domid_restrict = true;
4088 break;
4089 case QEMU_OPTION_trace:
4090 g_free(trace_file);
4091 trace_file = trace_opt_parse(optarg);
4092 break;
4093 case QEMU_OPTION_readconfig:
4094 {
4095 int ret = qemu_read_config_file(optarg);
4096 if (ret < 0) {
4097 error_report("read config %s: %s", optarg,
4098 strerror(-ret));
4099 exit(1);
4100 }
4101 break;
4102 }
4103 case QEMU_OPTION_spice:
4104 olist = qemu_find_opts("spice");
4105 if (!olist) {
4106 error_report("spice support is disabled");
4107 exit(1);
4108 }
4109 opts = qemu_opts_parse_noisily(olist, optarg, false);
4110 if (!opts) {
4111 exit(1);
4112 }
4113 display_remote++;
4114 break;
4115 case QEMU_OPTION_writeconfig:
4116 {
4117 FILE *fp;
4118 if (strcmp(optarg, "-") == 0) {
4119 fp = stdout;
4120 } else {
4121 fp = fopen(optarg, "w");
4122 if (fp == NULL) {
4123 error_report("open %s: %s", optarg,
4124 strerror(errno));
4125 exit(1);
4126 }
4127 }
4128 qemu_config_write(fp);
4129 if (fp != stdout) {
4130 fclose(fp);
4131 }
4132 break;
4133 }
4134 case QEMU_OPTION_qtest:
4135 qtest_chrdev = optarg;
4136 break;
4137 case QEMU_OPTION_qtest_log:
4138 qtest_log = optarg;
4139 break;
4140 case QEMU_OPTION_sandbox:
4141 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4142 optarg, true);
4143 if (!opts) {
4144 exit(1);
4145 }
4146 break;
4147 case QEMU_OPTION_add_fd:
4148 #ifndef _WIN32
4149 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4150 optarg, false);
4151 if (!opts) {
4152 exit(1);
4153 }
4154 #else
4155 error_report("File descriptor passing is disabled on this "
4156 "platform");
4157 exit(1);
4158 #endif
4159 break;
4160 case QEMU_OPTION_object:
4161 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4162 optarg, true);
4163 if (!opts) {
4164 exit(1);
4165 }
4166 break;
4167 case QEMU_OPTION_realtime:
4168 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4169 optarg, false);
4170 if (!opts) {
4171 exit(1);
4172 }
4173 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4174 break;
4175 case QEMU_OPTION_msg:
4176 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4177 false);
4178 if (!opts) {
4179 exit(1);
4180 }
4181 configure_msg(opts);
4182 break;
4183 case QEMU_OPTION_dump_vmstate:
4184 if (vmstate_dump_file) {
4185 error_report("only one '-dump-vmstate' "
4186 "option may be given");
4187 exit(1);
4188 }
4189 vmstate_dump_file = fopen(optarg, "w");
4190 if (vmstate_dump_file == NULL) {
4191 error_report("open %s: %s", optarg, strerror(errno));
4192 exit(1);
4193 }
4194 break;
4195 default:
4196 os_parse_cmd_args(popt->index, optarg);
4197 }
4198 }
4199 }
4200 /*
4201 * Clear error location left behind by the loop.
4202 * Best done right after the loop. Do not insert code here!
4203 */
4204 loc_set_none();
4205
4206 replay_configure(icount_opts);
4207
4208 machine_class = select_machine();
4209
4210 set_memory_options(&ram_slots, &maxram_size, machine_class);
4211
4212 os_daemonize();
4213 rcu_disable_atfork();
4214
4215 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4216 error_report("could not acquire pid file: %s", strerror(errno));
4217 exit(1);
4218 }
4219
4220 if (qemu_init_main_loop(&main_loop_err)) {
4221 error_report_err(main_loop_err);
4222 exit(1);
4223 }
4224
4225 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4226 parse_sandbox, NULL, NULL)) {
4227 exit(1);
4228 }
4229
4230 if (qemu_opts_foreach(qemu_find_opts("name"),
4231 parse_name, NULL, NULL)) {
4232 exit(1);
4233 }
4234
4235 #ifndef _WIN32
4236 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4237 parse_add_fd, NULL, NULL)) {
4238 exit(1);
4239 }
4240
4241 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4242 cleanup_add_fd, NULL, NULL)) {
4243 exit(1);
4244 }
4245 #endif
4246
4247 current_machine = MACHINE(object_new(object_class_get_name(
4248 OBJECT_CLASS(machine_class))));
4249 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4250 exit(0);
4251 }
4252 object_property_add_child(object_get_root(), "machine",
4253 OBJECT(current_machine), &error_abort);
4254
4255 if (machine_class->minimum_page_bits) {
4256 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4257 /* This would be a board error: specifying a minimum smaller than
4258 * a target's compile-time fixed setting.
4259 */
4260 g_assert_not_reached();
4261 }
4262 }
4263
4264 cpu_exec_init_all();
4265
4266 if (machine_class->hw_version) {
4267 qemu_set_hw_version(machine_class->hw_version);
4268 }
4269
4270 if (cpu_model && is_help_option(cpu_model)) {
4271 list_cpus(stdout, &fprintf, cpu_model);
4272 exit(0);
4273 }
4274
4275 if (!trace_init_backends()) {
4276 exit(1);
4277 }
4278 trace_init_file(trace_file);
4279
4280 /* Open the logfile at this point and set the log mask if necessary.
4281 */
4282 if (log_file) {
4283 qemu_set_log_filename(log_file, &error_fatal);
4284 }
4285
4286 if (log_mask) {
4287 int mask;
4288 mask = qemu_str_to_log_mask(log_mask);
4289 if (!mask) {
4290 qemu_print_log_usage(stdout);
4291 exit(1);
4292 }
4293 qemu_set_log(mask);
4294 } else {
4295 qemu_set_log(0);
4296 }
4297
4298 /* If no data_dir is specified then try to find it relative to the
4299 executable path. */
4300 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4301 data_dir[data_dir_idx] = os_find_datadir();
4302 if (data_dir[data_dir_idx] != NULL) {
4303 data_dir_idx++;
4304 }
4305 }
4306 /* If all else fails use the install path specified when building. */
4307 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4308 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4309 }
4310
4311 /* -L help lists the data directories and exits. */
4312 if (list_data_dirs) {
4313 for (i = 0; i < data_dir_idx; i++) {
4314 printf("%s\n", data_dir[i]);
4315 }
4316 exit(0);
4317 }
4318
4319 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4320
4321 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4322 if (max_cpus > machine_class->max_cpus) {
4323 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4324 "supported by machine '%s' (%d)", max_cpus,
4325 machine_class->name, machine_class->max_cpus);
4326 exit(1);
4327 }
4328
4329 /*
4330 * Get the default machine options from the machine if it is not already
4331 * specified either by the configuration file or by the command line.
4332 */
4333 if (machine_class->default_machine_opts) {
4334 qemu_opts_set_defaults(qemu_find_opts("machine"),
4335 machine_class->default_machine_opts, 0);
4336 }
4337
4338 qemu_opts_foreach(qemu_find_opts("device"),
4339 default_driver_check, NULL, NULL);
4340 qemu_opts_foreach(qemu_find_opts("global"),
4341 default_driver_check, NULL, NULL);
4342
4343 if (!vga_model && !default_vga) {
4344 vga_interface_type = VGA_DEVICE;
4345 }
4346 if (!has_defaults || machine_class->no_serial) {
4347 default_serial = 0;
4348 }
4349 if (!has_defaults || machine_class->no_parallel) {
4350 default_parallel = 0;
4351 }
4352 if (!has_defaults || !machine_class->use_virtcon) {
4353 default_virtcon = 0;
4354 }
4355 if (!has_defaults || !machine_class->use_sclp) {
4356 default_sclp = 0;
4357 }
4358 if (!has_defaults || machine_class->no_floppy) {
4359 default_floppy = 0;
4360 }
4361 if (!has_defaults || machine_class->no_cdrom) {
4362 default_cdrom = 0;
4363 }
4364 if (!has_defaults || machine_class->no_sdcard) {
4365 default_sdcard = 0;
4366 }
4367 if (!has_defaults) {
4368 default_monitor = 0;
4369 default_net = 0;
4370 default_vga = 0;
4371 }
4372
4373 if (is_daemonized()) {
4374 /* According to documentation and historically, -nographic redirects
4375 * serial port, parallel port and monitor to stdio, which does not work
4376 * with -daemonize. We can redirect these to null instead, but since
4377 * -nographic is legacy, let's just error out.
4378 * We disallow -nographic only if all other ports are not redirected
4379 * explicitly, to not break existing legacy setups which uses
4380 * -nographic _and_ redirects all ports explicitly - this is valid
4381 * usage, -nographic is just a no-op in this case.
4382 */
4383 if (nographic
4384 && (default_parallel || default_serial
4385 || default_monitor || default_virtcon)) {
4386 error_report("-nographic cannot be used with -daemonize");
4387 exit(1);
4388 }
4389 #ifdef CONFIG_CURSES
4390 if (display_type == DT_CURSES) {
4391 error_report("curses display cannot be used with -daemonize");
4392 exit(1);
4393 }
4394 #endif
4395 }
4396
4397 if (nographic) {
4398 if (default_parallel)
4399 add_device_config(DEV_PARALLEL, "null");
4400 if (default_serial && default_monitor) {
4401 add_device_config(DEV_SERIAL, "mon:stdio");
4402 } else if (default_virtcon && default_monitor) {
4403 add_device_config(DEV_VIRTCON, "mon:stdio");
4404 } else if (default_sclp && default_monitor) {
4405 add_device_config(DEV_SCLP, "mon:stdio");
4406 } else {
4407 if (default_serial)
4408 add_device_config(DEV_SERIAL, "stdio");
4409 if (default_virtcon)
4410 add_device_config(DEV_VIRTCON, "stdio");
4411 if (default_sclp) {
4412 add_device_config(DEV_SCLP, "stdio");
4413 }
4414 if (default_monitor)
4415 monitor_parse("stdio", "readline", false);
4416 }
4417 } else {
4418 if (default_serial)
4419 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4420 if (default_parallel)
4421 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4422 if (default_monitor)
4423 monitor_parse("vc:80Cx24C", "readline", false);
4424 if (default_virtcon)
4425 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4426 if (default_sclp) {
4427 add_device_config(DEV_SCLP, "vc:80Cx24C");
4428 }
4429 }
4430
4431 #if defined(CONFIG_VNC)
4432 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4433 display_remote++;
4434 }
4435 #endif
4436 if (display_type == DT_DEFAULT && !display_remote) {
4437 #if defined(CONFIG_GTK)
4438 display_type = DT_GTK;
4439 #elif defined(CONFIG_SDL)
4440 display_type = DT_SDL;
4441 #elif defined(CONFIG_COCOA)
4442 display_type = DT_COCOA;
4443 #elif defined(CONFIG_VNC)
4444 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4445 #else
4446 display_type = DT_NONE;
4447 #endif
4448 }
4449
4450 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4451 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4452 "for SDL, ignoring option");
4453 }
4454 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4455 error_report("-no-quit is only valid for GTK and SDL, "
4456 "ignoring option");
4457 }
4458
4459 if (display_type == DT_GTK) {
4460 early_gtk_display_init(request_opengl);
4461 }
4462
4463 if (display_type == DT_SDL) {
4464 sdl_display_early_init(request_opengl);
4465 }
4466
4467 qemu_console_early_init();
4468
4469 if (request_opengl == 1 && display_opengl == 0) {
4470 #if defined(CONFIG_OPENGL)
4471 error_report("OpenGL is not supported by the display");
4472 #else
4473 error_report("OpenGL support is disabled");
4474 #endif
4475 exit(1);
4476 }
4477
4478 page_size_init();
4479 socket_init();
4480
4481 if (qemu_opts_foreach(qemu_find_opts("object"),
4482 user_creatable_add_opts_foreach,
4483 object_create_initial, NULL)) {
4484 exit(1);
4485 }
4486
4487 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4488 chardev_init_func, NULL, NULL)) {
4489 exit(1);
4490 }
4491
4492 #ifdef CONFIG_VIRTFS
4493 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4494 fsdev_init_func, NULL, NULL)) {
4495 exit(1);
4496 }
4497 #endif
4498
4499 if (qemu_opts_foreach(qemu_find_opts("device"),
4500 device_help_func, NULL, NULL)) {
4501 exit(0);
4502 }
4503
4504 machine_opts = qemu_get_machine_opts();
4505 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4506 NULL)) {
4507 object_unref(OBJECT(current_machine));
4508 exit(1);
4509 }
4510
4511 configure_accelerator(current_machine);
4512
4513 /*
4514 * Register all the global properties, including accel properties,
4515 * machine properties, and user-specified ones.
4516 */
4517 register_global_properties(current_machine);
4518
4519 /*
4520 * Migration object can only be created after global properties
4521 * are applied correctly.
4522 */
4523 migration_object_init();
4524
4525 if (qtest_chrdev) {
4526 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4527 }
4528
4529 machine_opts = qemu_get_machine_opts();
4530 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4531 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4532 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4533 bios_name = qemu_opt_get(machine_opts, "firmware");
4534
4535 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4536 if (opts) {
4537 boot_order = qemu_opt_get(opts, "order");
4538 if (boot_order) {
4539 validate_bootdevices(boot_order, &error_fatal);
4540 }
4541
4542 boot_once = qemu_opt_get(opts, "once");
4543 if (boot_once) {
4544 validate_bootdevices(boot_once, &error_fatal);
4545 }
4546
4547 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4548 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4549 }
4550
4551 if (!boot_order) {
4552 boot_order = machine_class->default_boot_order;
4553 }
4554
4555 if (!kernel_cmdline) {
4556 kernel_cmdline = "";
4557 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4558 }
4559
4560 linux_boot = (kernel_filename != NULL);
4561
4562 if (!linux_boot && *kernel_cmdline != '\0') {
4563 error_report("-append only allowed with -kernel option");
4564 exit(1);
4565 }
4566
4567 if (!linux_boot && initrd_filename != NULL) {
4568 error_report("-initrd only allowed with -kernel option");
4569 exit(1);
4570 }
4571
4572 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4573 /* fall back to the -kernel/-append */
4574 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4575 }
4576
4577 os_set_line_buffering();
4578
4579 /* spice needs the timers to be initialized by this point */
4580 qemu_spice_init();
4581
4582 cpu_ticks_init();
4583 if (icount_opts) {
4584 if (!tcg_enabled()) {
4585 error_report("-icount is not allowed with hardware virtualization");
4586 exit(1);
4587 }
4588 configure_icount(icount_opts, &error_abort);
4589 qemu_opts_del(icount_opts);
4590 }
4591
4592 if (tcg_enabled()) {
4593 qemu_tcg_configure(accel_opts, &error_fatal);
4594 }
4595
4596 if (default_net) {
4597 QemuOptsList *net = qemu_find_opts("net");
4598 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4599 #ifdef CONFIG_SLIRP
4600 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4601 #endif
4602 }
4603
4604 colo_info_init();
4605
4606 if (net_init_clients() < 0) {
4607 exit(1);
4608 }
4609
4610 if (qemu_opts_foreach(qemu_find_opts("object"),
4611 user_creatable_add_opts_foreach,
4612 object_create_delayed, NULL)) {
4613 exit(1);
4614 }
4615
4616 #ifdef CONFIG_TPM
4617 if (tpm_init() < 0) {
4618 exit(1);
4619 }
4620 #endif
4621
4622 /* init the bluetooth world */
4623 if (foreach_device_config(DEV_BT, bt_parse))
4624 exit(1);
4625
4626 if (!xen_enabled()) {
4627 /* On 32-bit hosts, QEMU is limited by virtual address space */
4628 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4629 error_report("at most 2047 MB RAM can be simulated");
4630 exit(1);
4631 }
4632 }
4633
4634 blk_mig_init();
4635 ram_mig_init();
4636
4637 /* If the currently selected machine wishes to override the units-per-bus
4638 * property of its default HBA interface type, do so now. */
4639 if (machine_class->units_per_default_bus) {
4640 override_max_devs(machine_class->block_default_type,
4641 machine_class->units_per_default_bus);
4642 }
4643
4644 /* open the virtual block devices */
4645 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4646 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4647
4648 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4649 loc_push_restore(&bdo->loc);
4650 qmp_blockdev_add(bdo->bdo, &error_fatal);
4651 loc_pop(&bdo->loc);
4652 qapi_free_BlockdevOptions(bdo->bdo);
4653 g_free(bdo);
4654 }
4655 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4656 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4657 NULL, NULL);
4658 }
4659 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4660 &machine_class->block_default_type, NULL)) {
4661 exit(1);
4662 }
4663
4664 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4665 CDROM_OPTS);
4666 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4667 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4668
4669 parse_numa_opts(current_machine);
4670
4671 if (qemu_opts_foreach(qemu_find_opts("mon"),
4672 mon_init_func, NULL, NULL)) {
4673 exit(1);
4674 }
4675
4676 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4677 exit(1);
4678 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4679 exit(1);
4680 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4681 exit(1);
4682 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4683 exit(1);
4684 }
4685 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4686 exit(1);
4687
4688 /* If no default VGA is requested, the default is "none". */
4689 if (default_vga) {
4690 if (machine_class->default_display) {
4691 vga_model = machine_class->default_display;
4692 } else if (vga_interface_available(VGA_CIRRUS)) {
4693 vga_model = "cirrus";
4694 } else if (vga_interface_available(VGA_STD)) {
4695 vga_model = "std";
4696 }
4697 }
4698 if (vga_model) {
4699 select_vgahw(vga_model);
4700 }
4701
4702 if (watchdog) {
4703 i = select_watchdog(watchdog);
4704 if (i > 0)
4705 exit (i == 1 ? 1 : 0);
4706 }
4707
4708 /* This checkpoint is required by replay to separate prior clock
4709 reading from the other reads, because timer polling functions query
4710 clock values from the log. */
4711 replay_checkpoint(CHECKPOINT_INIT);
4712 qdev_machine_init();
4713
4714 current_machine->ram_size = ram_size;
4715 current_machine->maxram_size = maxram_size;
4716 current_machine->ram_slots = ram_slots;
4717 current_machine->boot_order = boot_order;
4718 current_machine->cpu_model = cpu_model;
4719
4720
4721 /* parse features once if machine provides default cpu_type */
4722 if (machine_class->default_cpu_type) {
4723 current_machine->cpu_type = machine_class->default_cpu_type;
4724 if (cpu_model) {
4725 current_machine->cpu_type =
4726 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4727 }
4728 }
4729
4730 machine_run_board_init(current_machine);
4731
4732 realtime_init();
4733
4734 soundhw_init();
4735
4736 if (hax_enabled()) {
4737 hax_sync_vcpus();
4738 }
4739
4740 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4741 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4742 exit(1);
4743 }
4744
4745 /* init USB devices */
4746 if (machine_usb(current_machine)) {
4747 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4748 exit(1);
4749 }
4750
4751 /* Check if IGD GFX passthrough. */
4752 igd_gfx_passthru();
4753
4754 /* init generic devices */
4755 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4756 if (qemu_opts_foreach(qemu_find_opts("device"),
4757 device_init_func, NULL, NULL)) {
4758 exit(1);
4759 }
4760
4761 cpu_synchronize_all_post_init();
4762
4763 rom_reset_order_override();
4764
4765 /*
4766 * Create frontends for -drive if=scsi leftovers.
4767 * Normally, frontends for -drive get created by machine
4768 * initialization for onboard SCSI HBAs. However, we create a few
4769 * more ever since SCSI qdevification, but this is pretty much an
4770 * implementation accident, and deprecated.
4771 */
4772 scsi_legacy_handle_cmdline();
4773
4774 /* Did we create any drives that we failed to create a device for? */
4775 drive_check_orphaned();
4776
4777 /* Don't warn about the default network setup that you get if
4778 * no command line -net or -netdev options are specified. There
4779 * are two cases that we would otherwise complain about:
4780 * (1) board doesn't support a NIC but the implicit "-net nic"
4781 * requested one
4782 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4783 * sets up a nic that isn't connected to anything.
4784 */
4785 if (!default_net) {
4786 net_check_clients();
4787 }
4788
4789
4790 if (boot_once) {
4791 qemu_boot_set(boot_once, &error_fatal);
4792 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4793 }
4794
4795 ds = init_displaystate();
4796
4797 /* init local displays */
4798 switch (display_type) {
4799 case DT_CURSES:
4800 curses_display_init(ds, full_screen);
4801 break;
4802 case DT_SDL:
4803 sdl_display_init(ds, full_screen, no_frame);
4804 break;
4805 case DT_COCOA:
4806 cocoa_display_init(ds, full_screen);
4807 break;
4808 case DT_GTK:
4809 gtk_display_init(ds, full_screen, grab_on_hover);
4810 break;
4811 default:
4812 break;
4813 }
4814
4815 /* must be after terminal init, SDL library changes signal handlers */
4816 os_setup_signal_handling();
4817
4818 /* init remote displays */
4819 #ifdef CONFIG_VNC
4820 qemu_opts_foreach(qemu_find_opts("vnc"),
4821 vnc_init_func, NULL, NULL);
4822 #endif
4823
4824 if (using_spice) {
4825 qemu_spice_display_init();
4826 }
4827
4828 #ifdef CONFIG_OPENGL_DMABUF
4829 if (display_type == DT_EGL) {
4830 egl_headless_init();
4831 }
4832 #endif
4833
4834 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4835 exit(1);
4836 }
4837
4838 qdev_machine_creation_done();
4839
4840 /* TODO: once all bus devices are qdevified, this should be done
4841 * when bus is created by qdev.c */
4842 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4843 qemu_run_machine_init_done_notifiers();
4844
4845 if (rom_check_and_register_reset() != 0) {
4846 error_report("rom check and register reset failed");
4847 exit(1);
4848 }
4849
4850 replay_start();
4851
4852 /* This checkpoint is required by replay to separate prior clock
4853 reading from the other reads, because timer polling functions query
4854 clock values from the log. */
4855 replay_checkpoint(CHECKPOINT_RESET);
4856 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4857 register_global_state();
4858 if (replay_mode != REPLAY_MODE_NONE) {
4859 replay_vmstate_init();
4860 } else if (loadvm) {
4861 Error *local_err = NULL;
4862 if (load_snapshot(loadvm, &local_err) < 0) {
4863 error_report_err(local_err);
4864 autostart = 0;
4865 }
4866 }
4867
4868 qdev_prop_check_globals();
4869 if (vmstate_dump_file) {
4870 /* dump and exit */
4871 dump_vmstate_json_to_file(vmstate_dump_file);
4872 return 0;
4873 }
4874
4875 if (incoming) {
4876 Error *local_err = NULL;
4877 qemu_start_incoming_migration(incoming, &local_err);
4878 if (local_err) {
4879 error_reportf_err(local_err, "-incoming %s: ", incoming);
4880 exit(1);
4881 }
4882 } else if (autostart) {
4883 vm_start();
4884 }
4885
4886 os_setup_post();
4887
4888 main_loop();
4889 replay_disable_events();
4890 iothread_stop_all();
4891
4892 pause_all_vcpus();
4893 bdrv_close_all();
4894 res_free();
4895
4896 /* vhost-user must be cleaned up before chardevs. */
4897 net_cleanup();
4898 audio_cleanup();
4899 monitor_cleanup();
4900 qemu_chr_cleanup();
4901 user_creatable_cleanup();
4902 /* TODO: unref root container, check all devices are ok */
4903
4904 return 0;
4905 }
AR7 emulation for QEMU