Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.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 "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
120
121 #define DEFAULT_RAM_SIZE 128
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 typedef struct FWBootEntry FWBootEntry;
186
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
192 };
193
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
196
197 int nb_numa_nodes;
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
200
201 uint8_t qemu_uuid[16];
202 bool qemu_uuid_set;
203
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
206
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
209
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
212
213 static bool tcg_allowed = true;
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
218
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
229
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
275 {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
288 {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
291 },{
292 .name = "file",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
304 {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
321 {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
373 },{
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
377 },{
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
381 },{
382 .name = "kvm-type",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
385 },
386 { /* End of list */ }
387 },
388 };
389
390 static QemuOptsList qemu_boot_opts = {
391 .name = "boot-opts",
392 .implied_opt_name = "order",
393 .merge_lists = true,
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
395 .desc = {
396 {
397 .name = "order",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "once",
401 .type = QEMU_OPT_STRING,
402 }, {
403 .name = "menu",
404 .type = QEMU_OPT_BOOL,
405 }, {
406 .name = "splash",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "strict",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /*End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_add_fd_opts = {
423 .name = "add-fd",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
425 .desc = {
426 {
427 .name = "fd",
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
430 },{
431 .name = "set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
434 },{
435 .name = "opaque",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
438 },
439 { /* end of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_object_opts = {
444 .name = "object",
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
447 .desc = {
448 { }
449 },
450 };
451
452 static QemuOptsList qemu_tpmdev_opts = {
453 .name = "tpmdev",
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 .desc = {
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_realtime_opts = {
463 .name = "realtime",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
465 .desc = {
466 {
467 .name = "mlock",
468 .type = QEMU_OPT_BOOL,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_msg_opts = {
475 .name = "msg",
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
477 .desc = {
478 {
479 .name = "timestamp",
480 .type = QEMU_OPT_BOOL,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_name_opts = {
487 .name = "name",
488 .implied_opt_name = "guest",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
491 .desc = {
492 {
493 .name = "guest",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
498 }, {
499 .name = "process",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
502 }, {
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
507 "stable API.",
508 },
509 { /* End of list */ }
510 },
511 };
512
513 /**
514 * Get machine options
515 *
516 * Returns: machine options (never null).
517 */
518 QemuOpts *qemu_get_machine_opts(void)
519 {
520 QemuOptsList *list;
521 QemuOpts *opts;
522
523 list = qemu_find_opts("machine");
524 assert(list);
525 opts = qemu_opts_find(list, NULL);
526 if (!opts) {
527 opts = qemu_opts_create(list, NULL, 0, &error_abort);
528 }
529 return opts;
530 }
531
532 const char *qemu_get_vm_name(void)
533 {
534 return qemu_name;
535 }
536
537 static void res_free(void)
538 {
539 if (boot_splash_filedata != NULL) {
540 g_free(boot_splash_filedata);
541 boot_splash_filedata = NULL;
542 }
543 }
544
545 static int default_driver_check(QemuOpts *opts, void *opaque)
546 {
547 const char *driver = qemu_opt_get(opts, "driver");
548 int i;
549
550 if (!driver)
551 return 0;
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
554 continue;
555 *(default_list[i].flag) = 0;
556 }
557 return 0;
558 }
559
560 /***********************************************************/
561 /* QEMU state */
562
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
564
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
569
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
577
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
580
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
583
584 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
585 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
591 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
593
594 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
598
599 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
600 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
603 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
605 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
607 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
608 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
609
610 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
611
612 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
613 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
614
615 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
616 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
617 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
618 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
621 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_MAX, RUN_STATE_MAX },
627 };
628
629 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
630
631 bool runstate_check(RunState state)
632 {
633 return current_run_state == state;
634 }
635
636 static void runstate_init(void)
637 {
638 const RunStateTransition *p;
639
640 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
641
642 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
643 runstate_valid_transitions[p->from][p->to] = true;
644 }
645 }
646
647 /* This function will abort() on invalid state transitions */
648 void runstate_set(RunState new_state)
649 {
650 assert(new_state < RUN_STATE_MAX);
651
652 if (!runstate_valid_transitions[current_run_state][new_state]) {
653 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
654 RunState_lookup[current_run_state],
655 RunState_lookup[new_state]);
656 abort();
657 }
658 trace_runstate_set(new_state);
659 current_run_state = new_state;
660 }
661
662 int runstate_is_running(void)
663 {
664 return runstate_check(RUN_STATE_RUNNING);
665 }
666
667 bool runstate_needs_reset(void)
668 {
669 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
670 runstate_check(RUN_STATE_SHUTDOWN);
671 }
672
673 StatusInfo *qmp_query_status(Error **errp)
674 {
675 StatusInfo *info = g_malloc0(sizeof(*info));
676
677 info->running = runstate_is_running();
678 info->singlestep = singlestep;
679 info->status = current_run_state;
680
681 return info;
682 }
683
684 /***********************************************************/
685 /* real time host monotonic timer */
686
687 /***********************************************************/
688 /* host time/date access */
689 void qemu_get_timedate(struct tm *tm, int offset)
690 {
691 time_t ti;
692
693 time(&ti);
694 ti += offset;
695 if (rtc_date_offset == -1) {
696 if (rtc_utc)
697 gmtime_r(&ti, tm);
698 else
699 localtime_r(&ti, tm);
700 } else {
701 ti -= rtc_date_offset;
702 gmtime_r(&ti, tm);
703 }
704 }
705
706 int qemu_timedate_diff(struct tm *tm)
707 {
708 time_t seconds;
709
710 if (rtc_date_offset == -1)
711 if (rtc_utc)
712 seconds = mktimegm(tm);
713 else {
714 struct tm tmp = *tm;
715 tmp.tm_isdst = -1; /* use timezone to figure it out */
716 seconds = mktime(&tmp);
717 }
718 else
719 seconds = mktimegm(tm) + rtc_date_offset;
720
721 return seconds - time(NULL);
722 }
723
724 void rtc_change_mon_event(struct tm *tm)
725 {
726 QObject *data;
727
728 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
729 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
730 qobject_decref(data);
731 }
732
733 static void configure_rtc_date_offset(const char *startdate, int legacy)
734 {
735 time_t rtc_start_date;
736 struct tm tm;
737
738 if (!strcmp(startdate, "now") && legacy) {
739 rtc_date_offset = -1;
740 } else {
741 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
742 &tm.tm_year,
743 &tm.tm_mon,
744 &tm.tm_mday,
745 &tm.tm_hour,
746 &tm.tm_min,
747 &tm.tm_sec) == 6) {
748 /* OK */
749 } else if (sscanf(startdate, "%d-%d-%d",
750 &tm.tm_year,
751 &tm.tm_mon,
752 &tm.tm_mday) == 3) {
753 tm.tm_hour = 0;
754 tm.tm_min = 0;
755 tm.tm_sec = 0;
756 } else {
757 goto date_fail;
758 }
759 tm.tm_year -= 1900;
760 tm.tm_mon--;
761 rtc_start_date = mktimegm(&tm);
762 if (rtc_start_date == -1) {
763 date_fail:
764 fprintf(stderr, "Invalid date format. Valid formats are:\n"
765 "'2006-06-17T16:01:21' or '2006-06-17'\n");
766 exit(1);
767 }
768 rtc_date_offset = time(NULL) - rtc_start_date;
769 }
770 }
771
772 static void configure_rtc(QemuOpts *opts)
773 {
774 const char *value;
775
776 value = qemu_opt_get(opts, "base");
777 if (value) {
778 if (!strcmp(value, "utc")) {
779 rtc_utc = 1;
780 } else if (!strcmp(value, "localtime")) {
781 rtc_utc = 0;
782 } else {
783 configure_rtc_date_offset(value, 0);
784 }
785 }
786 value = qemu_opt_get(opts, "clock");
787 if (value) {
788 if (!strcmp(value, "host")) {
789 rtc_clock = QEMU_CLOCK_HOST;
790 } else if (!strcmp(value, "rt")) {
791 rtc_clock = QEMU_CLOCK_REALTIME;
792 } else if (!strcmp(value, "vm")) {
793 rtc_clock = QEMU_CLOCK_VIRTUAL;
794 } else {
795 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
796 exit(1);
797 }
798 }
799 value = qemu_opt_get(opts, "driftfix");
800 if (value) {
801 if (!strcmp(value, "slew")) {
802 static GlobalProperty slew_lost_ticks[] = {
803 {
804 .driver = "mc146818rtc",
805 .property = "lost_tick_policy",
806 .value = "slew",
807 },
808 { /* end of list */ }
809 };
810
811 qdev_prop_register_global_list(slew_lost_ticks);
812 } else if (!strcmp(value, "none")) {
813 /* discard is default */
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
817 }
818 }
819 }
820
821 /***********************************************************/
822 /* Bluetooth support */
823 static int nb_hcis;
824 static int cur_hci;
825 static struct HCIInfo *hci_table[MAX_NICS];
826
827 struct HCIInfo *qemu_next_hci(void)
828 {
829 if (cur_hci == nb_hcis)
830 return &null_hci;
831
832 return hci_table[cur_hci++];
833 }
834
835 static int bt_hci_parse(const char *str)
836 {
837 struct HCIInfo *hci;
838 bdaddr_t bdaddr;
839
840 if (nb_hcis >= MAX_NICS) {
841 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
842 return -1;
843 }
844
845 hci = hci_init(str);
846 if (!hci)
847 return -1;
848
849 bdaddr.b[0] = 0x52;
850 bdaddr.b[1] = 0x54;
851 bdaddr.b[2] = 0x00;
852 bdaddr.b[3] = 0x12;
853 bdaddr.b[4] = 0x34;
854 bdaddr.b[5] = 0x56 + nb_hcis;
855 hci->bdaddr_set(hci, bdaddr.b);
856
857 hci_table[nb_hcis++] = hci;
858
859 return 0;
860 }
861
862 static void bt_vhci_add(int vlan_id)
863 {
864 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
865
866 if (!vlan->slave)
867 fprintf(stderr, "qemu: warning: adding a VHCI to "
868 "an empty scatternet %i\n", vlan_id);
869
870 bt_vhci_init(bt_new_hci(vlan));
871 }
872
873 static struct bt_device_s *bt_device_add(const char *opt)
874 {
875 struct bt_scatternet_s *vlan;
876 int vlan_id = 0;
877 char *endp = strstr(opt, ",vlan=");
878 int len = (endp ? endp - opt : strlen(opt)) + 1;
879 char devname[10];
880
881 pstrcpy(devname, MIN(sizeof(devname), len), opt);
882
883 if (endp) {
884 vlan_id = strtol(endp + 6, &endp, 0);
885 if (*endp) {
886 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
887 return 0;
888 }
889 }
890
891 vlan = qemu_find_bt_vlan(vlan_id);
892
893 if (!vlan->slave)
894 fprintf(stderr, "qemu: warning: adding a slave device to "
895 "an empty scatternet %i\n", vlan_id);
896
897 if (!strcmp(devname, "keyboard"))
898 return bt_keyboard_init(vlan);
899
900 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
901 return 0;
902 }
903
904 static int bt_parse(const char *opt)
905 {
906 const char *endp, *p;
907 int vlan;
908
909 if (strstart(opt, "hci", &endp)) {
910 if (!*endp || *endp == ',') {
911 if (*endp)
912 if (!strstart(endp, ",vlan=", 0))
913 opt = endp + 1;
914
915 return bt_hci_parse(opt);
916 }
917 } else if (strstart(opt, "vhci", &endp)) {
918 if (!*endp || *endp == ',') {
919 if (*endp) {
920 if (strstart(endp, ",vlan=", &p)) {
921 vlan = strtol(p, (char **) &endp, 0);
922 if (*endp) {
923 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
924 return 1;
925 }
926 } else {
927 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
928 return 1;
929 }
930 } else
931 vlan = 0;
932
933 bt_vhci_add(vlan);
934 return 0;
935 }
936 } else if (strstart(opt, "device:", &endp))
937 return !bt_device_add(endp);
938
939 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
940 return 1;
941 }
942
943 static int parse_sandbox(QemuOpts *opts, void *opaque)
944 {
945 /* FIXME: change this to true for 1.3 */
946 if (qemu_opt_get_bool(opts, "enable", false)) {
947 #ifdef CONFIG_SECCOMP
948 if (seccomp_start() < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR,
950 "failed to install seccomp syscall filter in the kernel");
951 return -1;
952 }
953 #else
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "sandboxing request but seccomp is not compiled into this build");
956 return -1;
957 #endif
958 }
959
960 return 0;
961 }
962
963 static void parse_name(QemuOpts *opts)
964 {
965 const char *proc_name;
966
967 if (qemu_opt_get(opts, "debug-threads")) {
968 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
969 }
970 qemu_name = qemu_opt_get(opts, "guest");
971
972 proc_name = qemu_opt_get(opts, "process");
973 if (proc_name) {
974 os_set_proc_name(proc_name);
975 }
976 }
977
978 bool usb_enabled(bool default_usb)
979 {
980 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
981 has_defaults && default_usb);
982 }
983
984 #ifndef _WIN32
985 static int parse_add_fd(QemuOpts *opts, void *opaque)
986 {
987 int fd, dupfd, flags;
988 int64_t fdset_id;
989 const char *fd_opaque = NULL;
990
991 fd = qemu_opt_get_number(opts, "fd", -1);
992 fdset_id = qemu_opt_get_number(opts, "set", -1);
993 fd_opaque = qemu_opt_get(opts, "opaque");
994
995 if (fd < 0) {
996 qerror_report(ERROR_CLASS_GENERIC_ERROR,
997 "fd option is required and must be non-negative");
998 return -1;
999 }
1000
1001 if (fd <= STDERR_FILENO) {
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1003 "fd cannot be a standard I/O stream");
1004 return -1;
1005 }
1006
1007 /*
1008 * All fds inherited across exec() necessarily have FD_CLOEXEC
1009 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1010 */
1011 flags = fcntl(fd, F_GETFD);
1012 if (flags == -1 || (flags & FD_CLOEXEC)) {
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1014 "fd is not valid or already in use");
1015 return -1;
1016 }
1017
1018 if (fdset_id < 0) {
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1020 "set option is required and must be non-negative");
1021 return -1;
1022 }
1023
1024 #ifdef F_DUPFD_CLOEXEC
1025 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1026 #else
1027 dupfd = dup(fd);
1028 if (dupfd != -1) {
1029 qemu_set_cloexec(dupfd);
1030 }
1031 #endif
1032 if (dupfd == -1) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "Error duplicating fd: %s", strerror(errno));
1035 return -1;
1036 }
1037
1038 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1039 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1040 fd_opaque, NULL);
1041
1042 return 0;
1043 }
1044
1045 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1046 {
1047 int fd;
1048
1049 fd = qemu_opt_get_number(opts, "fd", -1);
1050 close(fd);
1051
1052 return 0;
1053 }
1054 #endif
1055
1056 /***********************************************************/
1057 /* QEMU Block devices */
1058
1059 #define HD_OPTS "media=disk"
1060 #define CDROM_OPTS "media=cdrom"
1061 #define FD_OPTS ""
1062 #define PFLASH_OPTS ""
1063 #define MTD_OPTS ""
1064 #define SD_OPTS ""
1065
1066 static int drive_init_func(QemuOpts *opts, void *opaque)
1067 {
1068 BlockInterfaceType *block_default_type = opaque;
1069
1070 return drive_init(opts, *block_default_type) == NULL;
1071 }
1072
1073 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1074 {
1075 if (NULL == qemu_opt_get(opts, "snapshot")) {
1076 qemu_opt_set(opts, "snapshot", "on");
1077 }
1078 return 0;
1079 }
1080
1081 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1082 int index, const char *optstr)
1083 {
1084 QemuOpts *opts;
1085
1086 if (!enable || drive_get_by_index(type, index)) {
1087 return;
1088 }
1089
1090 opts = drive_add(type, index, NULL, optstr);
1091 if (snapshot) {
1092 drive_enable_snapshot(opts, NULL);
1093 }
1094 if (!drive_init(opts, type)) {
1095 exit(1);
1096 }
1097 }
1098
1099 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1100 {
1101 boot_set_handler = func;
1102 boot_set_opaque = opaque;
1103 }
1104
1105 int qemu_boot_set(const char *boot_order)
1106 {
1107 if (!boot_set_handler) {
1108 return -EINVAL;
1109 }
1110 return boot_set_handler(boot_set_opaque, boot_order);
1111 }
1112
1113 static void validate_bootdevices(const char *devices)
1114 {
1115 /* We just do some generic consistency checks */
1116 const char *p;
1117 int bitmap = 0;
1118
1119 for (p = devices; *p != '\0'; p++) {
1120 /* Allowed boot devices are:
1121 * a-b: floppy disk drives
1122 * c-f: IDE disk drives
1123 * g-m: machine implementation dependent drives
1124 * n-p: network devices
1125 * It's up to each machine implementation to check if the given boot
1126 * devices match the actual hardware implementation and firmware
1127 * features.
1128 */
1129 if (*p < 'a' || *p > 'p') {
1130 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1131 exit(1);
1132 }
1133 if (bitmap & (1 << (*p - 'a'))) {
1134 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1135 exit(1);
1136 }
1137 bitmap |= 1 << (*p - 'a');
1138 }
1139 }
1140
1141 static void restore_boot_order(void *opaque)
1142 {
1143 char *normal_boot_order = opaque;
1144 static int first = 1;
1145
1146 /* Restore boot order and remove ourselves after the first boot */
1147 if (first) {
1148 first = 0;
1149 return;
1150 }
1151
1152 qemu_boot_set(normal_boot_order);
1153
1154 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1155 g_free(normal_boot_order);
1156 }
1157
1158 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1159 const char *suffix)
1160 {
1161 FWBootEntry *node, *i;
1162
1163 if (bootindex < 0) {
1164 return;
1165 }
1166
1167 assert(dev != NULL || suffix != NULL);
1168
1169 node = g_malloc0(sizeof(FWBootEntry));
1170 node->bootindex = bootindex;
1171 node->suffix = g_strdup(suffix);
1172 node->dev = dev;
1173
1174 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1175 if (i->bootindex == bootindex) {
1176 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1177 exit(1);
1178 } else if (i->bootindex < bootindex) {
1179 continue;
1180 }
1181 QTAILQ_INSERT_BEFORE(i, node, link);
1182 return;
1183 }
1184 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1185 }
1186
1187 DeviceState *get_boot_device(uint32_t position)
1188 {
1189 uint32_t counter = 0;
1190 FWBootEntry *i = NULL;
1191 DeviceState *res = NULL;
1192
1193 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1194 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1195 if (counter == position) {
1196 res = i->dev;
1197 break;
1198 }
1199 counter++;
1200 }
1201 }
1202 return res;
1203 }
1204
1205 /*
1206 * This function returns null terminated string that consist of new line
1207 * separated device paths.
1208 *
1209 * memory pointed by "size" is assigned total length of the array in bytes
1210 *
1211 */
1212 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1213 {
1214 FWBootEntry *i;
1215 size_t total = 0;
1216 char *list = NULL;
1217
1218 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1219 char *devpath = NULL, *bootpath;
1220 size_t len;
1221
1222 if (i->dev) {
1223 devpath = qdev_get_fw_dev_path(i->dev);
1224 assert(devpath);
1225 }
1226
1227 if (i->suffix && !ignore_suffixes && devpath) {
1228 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1229
1230 bootpath = g_malloc(bootpathlen);
1231 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1232 g_free(devpath);
1233 } else if (devpath) {
1234 bootpath = devpath;
1235 } else if (!ignore_suffixes) {
1236 assert(i->suffix);
1237 bootpath = g_strdup(i->suffix);
1238 } else {
1239 bootpath = g_strdup("");
1240 }
1241
1242 if (total) {
1243 list[total-1] = '\n';
1244 }
1245 len = strlen(bootpath) + 1;
1246 list = g_realloc(list, total + len);
1247 memcpy(&list[total], bootpath, len);
1248 total += len;
1249 g_free(bootpath);
1250 }
1251
1252 *size = total;
1253
1254 if (boot_strict && *size > 0) {
1255 list[total-1] = '\n';
1256 list = g_realloc(list, total + 5);
1257 memcpy(&list[total], "HALT", 5);
1258 *size = total + 5;
1259 }
1260 return list;
1261 }
1262
1263 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1264 {
1265 char *endptr;
1266 unsigned long long value, endvalue;
1267
1268 /* Empty CPU range strings will be considered valid, they will simply
1269 * not set any bit in the CPU bitmap.
1270 */
1271 if (!*cpus) {
1272 return;
1273 }
1274
1275 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1276 goto error;
1277 }
1278 if (*endptr == '-') {
1279 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1280 goto error;
1281 }
1282 } else if (*endptr == '\0') {
1283 endvalue = value;
1284 } else {
1285 goto error;
1286 }
1287
1288 if (endvalue >= MAX_CPUMASK_BITS) {
1289 endvalue = MAX_CPUMASK_BITS - 1;
1290 fprintf(stderr,
1291 "qemu: NUMA: A max of %d VCPUs are supported\n",
1292 MAX_CPUMASK_BITS);
1293 }
1294
1295 if (endvalue < value) {
1296 goto error;
1297 }
1298
1299 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1300 return;
1301
1302 error:
1303 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1304 exit(1);
1305 }
1306
1307 static void numa_add(const char *optarg)
1308 {
1309 char option[128];
1310 char *endptr;
1311 unsigned long long nodenr;
1312
1313 optarg = get_opt_name(option, 128, optarg, ',');
1314 if (*optarg == ',') {
1315 optarg++;
1316 }
1317 if (!strcmp(option, "node")) {
1318
1319 if (nb_numa_nodes >= MAX_NODES) {
1320 fprintf(stderr, "qemu: too many NUMA nodes\n");
1321 exit(1);
1322 }
1323
1324 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1325 nodenr = nb_numa_nodes;
1326 } else {
1327 if (parse_uint_full(option, &nodenr, 10) < 0) {
1328 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1329 exit(1);
1330 }
1331 }
1332
1333 if (nodenr >= MAX_NODES) {
1334 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1335 exit(1);
1336 }
1337
1338 if (get_param_value(option, 128, "mem", optarg) == 0) {
1339 node_mem[nodenr] = 0;
1340 } else {
1341 int64_t sval;
1342 sval = strtosz(option, &endptr);
1343 if (sval < 0 || *endptr) {
1344 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1345 exit(1);
1346 }
1347 node_mem[nodenr] = sval;
1348 }
1349 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1350 numa_node_parse_cpus(nodenr, option);
1351 }
1352 nb_numa_nodes++;
1353 } else {
1354 fprintf(stderr, "Invalid -numa option: %s\n", option);
1355 exit(1);
1356 }
1357 }
1358
1359 static QemuOptsList qemu_smp_opts = {
1360 .name = "smp-opts",
1361 .implied_opt_name = "cpus",
1362 .merge_lists = true,
1363 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1364 .desc = {
1365 {
1366 .name = "cpus",
1367 .type = QEMU_OPT_NUMBER,
1368 }, {
1369 .name = "sockets",
1370 .type = QEMU_OPT_NUMBER,
1371 }, {
1372 .name = "cores",
1373 .type = QEMU_OPT_NUMBER,
1374 }, {
1375 .name = "threads",
1376 .type = QEMU_OPT_NUMBER,
1377 }, {
1378 .name = "maxcpus",
1379 .type = QEMU_OPT_NUMBER,
1380 },
1381 { /*End of list */ }
1382 },
1383 };
1384
1385 static void smp_parse(QemuOpts *opts)
1386 {
1387 if (opts) {
1388
1389 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1390 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1391 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1392 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1393
1394 /* compute missing values, prefer sockets over cores over threads */
1395 if (cpus == 0 || sockets == 0) {
1396 sockets = sockets > 0 ? sockets : 1;
1397 cores = cores > 0 ? cores : 1;
1398 threads = threads > 0 ? threads : 1;
1399 if (cpus == 0) {
1400 cpus = cores * threads * sockets;
1401 }
1402 } else {
1403 if (cores == 0) {
1404 threads = threads > 0 ? threads : 1;
1405 cores = cpus / (sockets * threads);
1406 } else {
1407 threads = cpus / (cores * sockets);
1408 }
1409 }
1410
1411 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1412
1413 smp_cpus = cpus;
1414 smp_cores = cores > 0 ? cores : 1;
1415 smp_threads = threads > 0 ? threads : 1;
1416
1417 }
1418
1419 if (max_cpus == 0) {
1420 max_cpus = smp_cpus;
1421 }
1422
1423 if (max_cpus > MAX_CPUMASK_BITS) {
1424 fprintf(stderr, "Unsupported number of maxcpus\n");
1425 exit(1);
1426 }
1427 if (max_cpus < smp_cpus) {
1428 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1429 exit(1);
1430 }
1431
1432 }
1433
1434 static void configure_realtime(QemuOpts *opts)
1435 {
1436 bool enable_mlock;
1437
1438 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1439
1440 if (enable_mlock) {
1441 if (os_mlock() < 0) {
1442 fprintf(stderr, "qemu: locking memory failed\n");
1443 exit(1);
1444 }
1445 }
1446 }
1447
1448
1449 static void configure_msg(QemuOpts *opts)
1450 {
1451 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1452 }
1453
1454 /***********************************************************/
1455 /* USB devices */
1456
1457 static int usb_device_add(const char *devname)
1458 {
1459 USBDevice *dev = NULL;
1460 #ifndef CONFIG_LINUX
1461 const char *p;
1462 #endif
1463
1464 if (!usb_enabled(false)) {
1465 return -1;
1466 }
1467
1468 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1469 dev = usbdevice_create(devname);
1470 if (dev)
1471 goto done;
1472
1473 /* the other ones */
1474 #ifndef CONFIG_LINUX
1475 /* only the linux version is qdev-ified, usb-bsd still needs this */
1476 if (strstart(devname, "host:", &p)) {
1477 dev = usb_host_device_open(usb_bus_find(-1), p);
1478 }
1479 #endif
1480 if (!dev)
1481 return -1;
1482
1483 done:
1484 return 0;
1485 }
1486
1487 static int usb_device_del(const char *devname)
1488 {
1489 int bus_num, addr;
1490 const char *p;
1491
1492 if (strstart(devname, "host:", &p)) {
1493 return -1;
1494 }
1495
1496 if (!usb_enabled(false)) {
1497 return -1;
1498 }
1499
1500 p = strchr(devname, '.');
1501 if (!p)
1502 return -1;
1503 bus_num = strtoul(devname, NULL, 0);
1504 addr = strtoul(p + 1, NULL, 0);
1505
1506 return usb_device_delete_addr(bus_num, addr);
1507 }
1508
1509 static int usb_parse(const char *cmdline)
1510 {
1511 int r;
1512 r = usb_device_add(cmdline);
1513 if (r < 0) {
1514 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1515 }
1516 return r;
1517 }
1518
1519 void do_usb_add(Monitor *mon, const QDict *qdict)
1520 {
1521 const char *devname = qdict_get_str(qdict, "devname");
1522 if (usb_device_add(devname) < 0) {
1523 error_report("could not add USB device '%s'", devname);
1524 }
1525 }
1526
1527 void do_usb_del(Monitor *mon, const QDict *qdict)
1528 {
1529 const char *devname = qdict_get_str(qdict, "devname");
1530 if (usb_device_del(devname) < 0) {
1531 error_report("could not delete USB device '%s'", devname);
1532 }
1533 }
1534
1535 /***********************************************************/
1536 /* PCMCIA/Cardbus */
1537
1538 static struct pcmcia_socket_entry_s {
1539 PCMCIASocket *socket;
1540 struct pcmcia_socket_entry_s *next;
1541 } *pcmcia_sockets = 0;
1542
1543 void pcmcia_socket_register(PCMCIASocket *socket)
1544 {
1545 struct pcmcia_socket_entry_s *entry;
1546
1547 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1548 entry->socket = socket;
1549 entry->next = pcmcia_sockets;
1550 pcmcia_sockets = entry;
1551 }
1552
1553 void pcmcia_socket_unregister(PCMCIASocket *socket)
1554 {
1555 struct pcmcia_socket_entry_s *entry, **ptr;
1556
1557 ptr = &pcmcia_sockets;
1558 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1559 if (entry->socket == socket) {
1560 *ptr = entry->next;
1561 g_free(entry);
1562 }
1563 }
1564
1565 void pcmcia_info(Monitor *mon, const QDict *qdict)
1566 {
1567 struct pcmcia_socket_entry_s *iter;
1568
1569 if (!pcmcia_sockets)
1570 monitor_printf(mon, "No PCMCIA sockets\n");
1571
1572 for (iter = pcmcia_sockets; iter; iter = iter->next)
1573 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1574 iter->socket->attached ? iter->socket->card_string :
1575 "Empty");
1576 }
1577
1578 /***********************************************************/
1579 /* machine registration */
1580
1581 MachineState *current_machine;
1582
1583 static void machine_class_init(ObjectClass *oc, void *data)
1584 {
1585 MachineClass *mc = MACHINE_CLASS(oc);
1586
1587 mc->qemu_machine = data;
1588 }
1589
1590 int qemu_register_machine(QEMUMachine *m)
1591 {
1592 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1593 TypeInfo ti = {
1594 .name = name,
1595 .parent = TYPE_MACHINE,
1596 .class_init = machine_class_init,
1597 .class_data = (void *)m,
1598 };
1599
1600 type_register(&ti);
1601 g_free(name);
1602
1603 return 0;
1604 }
1605
1606 static MachineClass *find_machine(const char *name)
1607 {
1608 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1609 MachineClass *mc = NULL;
1610
1611 for (el = machines; el; el = el->next) {
1612 MachineClass *temp = el->data;
1613
1614 if (!strcmp(temp->qemu_machine->name, name)) {
1615 mc = temp;
1616 break;
1617 }
1618 if (temp->qemu_machine->alias &&
1619 !strcmp(temp->qemu_machine->alias, name)) {
1620 mc = temp;
1621 break;
1622 }
1623 }
1624
1625 g_slist_free(machines);
1626 return mc;
1627 }
1628
1629 MachineClass *find_default_machine(void)
1630 {
1631 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1632 MachineClass *mc = NULL;
1633
1634 for (el = machines; el; el = el->next) {
1635 MachineClass *temp = el->data;
1636
1637 if (temp->qemu_machine->is_default) {
1638 mc = temp;
1639 break;
1640 }
1641 }
1642
1643 g_slist_free(machines);
1644 return mc;
1645 }
1646
1647 MachineInfoList *qmp_query_machines(Error **errp)
1648 {
1649 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1650 MachineInfoList *mach_list = NULL;
1651 QEMUMachine *m;
1652
1653 for (el = machines; el; el = el->next) {
1654 MachineClass *mc = el->data;
1655 MachineInfoList *entry;
1656 MachineInfo *info;
1657
1658 m = mc->qemu_machine;
1659 info = g_malloc0(sizeof(*info));
1660 if (m->is_default) {
1661 info->has_is_default = true;
1662 info->is_default = true;
1663 }
1664
1665 if (m->alias) {
1666 info->has_alias = true;
1667 info->alias = g_strdup(m->alias);
1668 }
1669
1670 info->name = g_strdup(m->name);
1671 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1672
1673 entry = g_malloc0(sizeof(*entry));
1674 entry->value = info;
1675 entry->next = mach_list;
1676 mach_list = entry;
1677 }
1678
1679 g_slist_free(machines);
1680 return mach_list;
1681 }
1682
1683 /***********************************************************/
1684 /* main execution loop */
1685
1686 struct vm_change_state_entry {
1687 VMChangeStateHandler *cb;
1688 void *opaque;
1689 QLIST_ENTRY (vm_change_state_entry) entries;
1690 };
1691
1692 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1693
1694 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1695 void *opaque)
1696 {
1697 VMChangeStateEntry *e;
1698
1699 e = g_malloc0(sizeof (*e));
1700
1701 e->cb = cb;
1702 e->opaque = opaque;
1703 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1704 return e;
1705 }
1706
1707 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1708 {
1709 QLIST_REMOVE (e, entries);
1710 g_free (e);
1711 }
1712
1713 void vm_state_notify(int running, RunState state)
1714 {
1715 VMChangeStateEntry *e;
1716
1717 trace_vm_state_notify(running, state);
1718
1719 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1720 e->cb(e->opaque, running, state);
1721 }
1722 }
1723
1724 void vm_start(void)
1725 {
1726 if (!runstate_is_running()) {
1727 cpu_enable_ticks();
1728 runstate_set(RUN_STATE_RUNNING);
1729 vm_state_notify(1, RUN_STATE_RUNNING);
1730 resume_all_vcpus();
1731 monitor_protocol_event(QEVENT_RESUME, NULL);
1732 }
1733 }
1734
1735 /* reset/shutdown handler */
1736
1737 typedef struct QEMUResetEntry {
1738 QTAILQ_ENTRY(QEMUResetEntry) entry;
1739 QEMUResetHandler *func;
1740 void *opaque;
1741 } QEMUResetEntry;
1742
1743 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1744 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1745 static int reset_requested;
1746 static int shutdown_requested, shutdown_signal = -1;
1747 static pid_t shutdown_pid;
1748 static int powerdown_requested;
1749 static int debug_requested;
1750 static int suspend_requested;
1751 static WakeupReason wakeup_reason;
1752 static NotifierList powerdown_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1754 static NotifierList suspend_notifiers =
1755 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1756 static NotifierList wakeup_notifiers =
1757 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1758 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1759 static RunState vmstop_requested = RUN_STATE_MAX;
1760
1761 int qemu_shutdown_requested_get(void)
1762 {
1763 return shutdown_requested;
1764 }
1765
1766 int qemu_reset_requested_get(void)
1767 {
1768 return reset_requested;
1769 }
1770
1771 static int qemu_shutdown_requested(void)
1772 {
1773 int r = shutdown_requested;
1774 shutdown_requested = 0;
1775 return r;
1776 }
1777
1778 static void qemu_kill_report(void)
1779 {
1780 if (!qtest_driver() && shutdown_signal != -1) {
1781 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1782 if (shutdown_pid == 0) {
1783 /* This happens for eg ^C at the terminal, so it's worth
1784 * avoiding printing an odd message in that case.
1785 */
1786 fputc('\n', stderr);
1787 } else {
1788 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1789 }
1790 shutdown_signal = -1;
1791 }
1792 }
1793
1794 static int qemu_reset_requested(void)
1795 {
1796 int r = reset_requested;
1797 reset_requested = 0;
1798 return r;
1799 }
1800
1801 static int qemu_suspend_requested(void)
1802 {
1803 int r = suspend_requested;
1804 suspend_requested = 0;
1805 return r;
1806 }
1807
1808 static WakeupReason qemu_wakeup_requested(void)
1809 {
1810 return wakeup_reason;
1811 }
1812
1813 static int qemu_powerdown_requested(void)
1814 {
1815 int r = powerdown_requested;
1816 powerdown_requested = 0;
1817 return r;
1818 }
1819
1820 static int qemu_debug_requested(void)
1821 {
1822 int r = debug_requested;
1823 debug_requested = 0;
1824 return r;
1825 }
1826
1827 /* We use RUN_STATE_MAX but any invalid value will do */
1828 static bool qemu_vmstop_requested(RunState *r)
1829 {
1830 if (vmstop_requested < RUN_STATE_MAX) {
1831 *r = vmstop_requested;
1832 vmstop_requested = RUN_STATE_MAX;
1833 return true;
1834 }
1835
1836 return false;
1837 }
1838
1839 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1840 {
1841 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1842
1843 re->func = func;
1844 re->opaque = opaque;
1845 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1846 }
1847
1848 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1849 {
1850 QEMUResetEntry *re;
1851
1852 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1853 if (re->func == func && re->opaque == opaque) {
1854 QTAILQ_REMOVE(&reset_handlers, re, entry);
1855 g_free(re);
1856 return;
1857 }
1858 }
1859 }
1860
1861 void qemu_devices_reset(void)
1862 {
1863 QEMUResetEntry *re, *nre;
1864
1865 /* reset all devices */
1866 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1867 re->func(re->opaque);
1868 }
1869 }
1870
1871 void qemu_system_reset(bool report)
1872 {
1873 MachineClass *mc;
1874
1875 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1876
1877 if (mc && mc->qemu_machine->reset) {
1878 mc->qemu_machine->reset();
1879 } else {
1880 qemu_devices_reset();
1881 }
1882 if (report) {
1883 monitor_protocol_event(QEVENT_RESET, NULL);
1884 }
1885 cpu_synchronize_all_post_reset();
1886 }
1887
1888 void qemu_system_reset_request(void)
1889 {
1890 if (no_reboot) {
1891 shutdown_requested = 1;
1892 } else {
1893 reset_requested = 1;
1894 }
1895 cpu_stop_current();
1896 qemu_notify_event();
1897 }
1898
1899 static void qemu_system_suspend(void)
1900 {
1901 pause_all_vcpus();
1902 notifier_list_notify(&suspend_notifiers, NULL);
1903 runstate_set(RUN_STATE_SUSPENDED);
1904 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1905 }
1906
1907 void qemu_system_suspend_request(void)
1908 {
1909 if (runstate_check(RUN_STATE_SUSPENDED)) {
1910 return;
1911 }
1912 suspend_requested = 1;
1913 cpu_stop_current();
1914 qemu_notify_event();
1915 }
1916
1917 void qemu_register_suspend_notifier(Notifier *notifier)
1918 {
1919 notifier_list_add(&suspend_notifiers, notifier);
1920 }
1921
1922 void qemu_system_wakeup_request(WakeupReason reason)
1923 {
1924 trace_system_wakeup_request(reason);
1925
1926 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1927 return;
1928 }
1929 if (!(wakeup_reason_mask & (1 << reason))) {
1930 return;
1931 }
1932 runstate_set(RUN_STATE_RUNNING);
1933 wakeup_reason = reason;
1934 qemu_notify_event();
1935 }
1936
1937 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1938 {
1939 if (enabled) {
1940 wakeup_reason_mask |= (1 << reason);
1941 } else {
1942 wakeup_reason_mask &= ~(1 << reason);
1943 }
1944 }
1945
1946 void qemu_register_wakeup_notifier(Notifier *notifier)
1947 {
1948 notifier_list_add(&wakeup_notifiers, notifier);
1949 }
1950
1951 void qemu_system_killed(int signal, pid_t pid)
1952 {
1953 shutdown_signal = signal;
1954 shutdown_pid = pid;
1955 no_shutdown = 0;
1956 qemu_system_shutdown_request();
1957 }
1958
1959 void qemu_system_shutdown_request(void)
1960 {
1961 shutdown_requested = 1;
1962 qemu_notify_event();
1963 }
1964
1965 static void qemu_system_powerdown(void)
1966 {
1967 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1968 notifier_list_notify(&powerdown_notifiers, NULL);
1969 }
1970
1971 void qemu_system_powerdown_request(void)
1972 {
1973 powerdown_requested = 1;
1974 qemu_notify_event();
1975 }
1976
1977 void qemu_register_powerdown_notifier(Notifier *notifier)
1978 {
1979 notifier_list_add(&powerdown_notifiers, notifier);
1980 }
1981
1982 void qemu_system_debug_request(void)
1983 {
1984 debug_requested = 1;
1985 qemu_notify_event();
1986 }
1987
1988 void qemu_system_vmstop_request(RunState state)
1989 {
1990 vmstop_requested = state;
1991 qemu_notify_event();
1992 }
1993
1994 static bool main_loop_should_exit(void)
1995 {
1996 RunState r;
1997 if (qemu_debug_requested()) {
1998 vm_stop(RUN_STATE_DEBUG);
1999 }
2000 if (qemu_suspend_requested()) {
2001 qemu_system_suspend();
2002 }
2003 if (qemu_shutdown_requested()) {
2004 qemu_kill_report();
2005 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2006 if (no_shutdown) {
2007 vm_stop(RUN_STATE_SHUTDOWN);
2008 } else {
2009 return true;
2010 }
2011 }
2012 if (qemu_reset_requested()) {
2013 pause_all_vcpus();
2014 cpu_synchronize_all_states();
2015 qemu_system_reset(VMRESET_REPORT);
2016 resume_all_vcpus();
2017 if (runstate_needs_reset()) {
2018 runstate_set(RUN_STATE_PAUSED);
2019 }
2020 }
2021 if (qemu_wakeup_requested()) {
2022 pause_all_vcpus();
2023 cpu_synchronize_all_states();
2024 qemu_system_reset(VMRESET_SILENT);
2025 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2026 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2027 resume_all_vcpus();
2028 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2029 }
2030 if (qemu_powerdown_requested()) {
2031 qemu_system_powerdown();
2032 }
2033 if (qemu_vmstop_requested(&r)) {
2034 vm_stop(r);
2035 }
2036 return false;
2037 }
2038
2039 static void main_loop(void)
2040 {
2041 bool nonblocking;
2042 int last_io = 0;
2043 #ifdef CONFIG_PROFILER
2044 int64_t ti;
2045 #endif
2046 do {
2047 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2048 #ifdef CONFIG_PROFILER
2049 ti = profile_getclock();
2050 #endif
2051 last_io = main_loop_wait(nonblocking);
2052 #ifdef CONFIG_PROFILER
2053 dev_time += profile_getclock() - ti;
2054 #endif
2055 } while (!main_loop_should_exit());
2056 }
2057
2058 static void version(void)
2059 {
2060 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2061 }
2062
2063 static void help(int exitcode)
2064 {
2065 version();
2066 printf("usage: %s [options] [disk_image]\n\n"
2067 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2068 error_get_progname());
2069
2070 #define QEMU_OPTIONS_GENERATE_HELP
2071 #include "qemu-options-wrapper.h"
2072
2073 printf("\nDuring emulation, the following keys are useful:\n"
2074 "ctrl-alt-f toggle full screen\n"
2075 "ctrl-alt-n switch to virtual console 'n'\n"
2076 "ctrl-alt toggle mouse and keyboard grab\n"
2077 "\n"
2078 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2079
2080 exit(exitcode);
2081 }
2082
2083 #define HAS_ARG 0x0001
2084
2085 typedef struct QEMUOption {
2086 const char *name;
2087 int flags;
2088 int index;
2089 uint32_t arch_mask;
2090 } QEMUOption;
2091
2092 static const QEMUOption qemu_options[] = {
2093 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2094 #define QEMU_OPTIONS_GENERATE_OPTIONS
2095 #include "qemu-options-wrapper.h"
2096 { NULL },
2097 };
2098
2099 static bool vga_available(void)
2100 {
2101 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2102 }
2103
2104 static bool cirrus_vga_available(void)
2105 {
2106 return object_class_by_name("cirrus-vga")
2107 || object_class_by_name("isa-cirrus-vga");
2108 }
2109
2110 static bool vmware_vga_available(void)
2111 {
2112 return object_class_by_name("vmware-svga");
2113 }
2114
2115 static bool qxl_vga_available(void)
2116 {
2117 return object_class_by_name("qxl-vga");
2118 }
2119
2120 static bool tcx_vga_available(void)
2121 {
2122 return object_class_by_name("SUNW,tcx");
2123 }
2124
2125 static bool cg3_vga_available(void)
2126 {
2127 return object_class_by_name("cgthree");
2128 }
2129
2130 static void select_vgahw (const char *p)
2131 {
2132 const char *opts;
2133
2134 assert(vga_interface_type == VGA_NONE);
2135 if (strstart(p, "std", &opts)) {
2136 if (vga_available()) {
2137 vga_interface_type = VGA_STD;
2138 } else {
2139 fprintf(stderr, "Error: standard VGA not available\n");
2140 exit(0);
2141 }
2142 } else if (strstart(p, "cirrus", &opts)) {
2143 if (cirrus_vga_available()) {
2144 vga_interface_type = VGA_CIRRUS;
2145 } else {
2146 fprintf(stderr, "Error: Cirrus VGA not available\n");
2147 exit(0);
2148 }
2149 } else if (strstart(p, "vmware", &opts)) {
2150 if (vmware_vga_available()) {
2151 vga_interface_type = VGA_VMWARE;
2152 } else {
2153 fprintf(stderr, "Error: VMWare SVGA not available\n");
2154 exit(0);
2155 }
2156 } else if (strstart(p, "xenfb", &opts)) {
2157 vga_interface_type = VGA_XENFB;
2158 } else if (strstart(p, "qxl", &opts)) {
2159 if (qxl_vga_available()) {
2160 vga_interface_type = VGA_QXL;
2161 } else {
2162 fprintf(stderr, "Error: QXL VGA not available\n");
2163 exit(0);
2164 }
2165 } else if (strstart(p, "tcx", &opts)) {
2166 if (tcx_vga_available()) {
2167 vga_interface_type = VGA_TCX;
2168 } else {
2169 fprintf(stderr, "Error: TCX framebuffer not available\n");
2170 exit(0);
2171 }
2172 } else if (strstart(p, "cg3", &opts)) {
2173 if (cg3_vga_available()) {
2174 vga_interface_type = VGA_CG3;
2175 } else {
2176 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2177 exit(0);
2178 }
2179 } else if (!strstart(p, "none", &opts)) {
2180 invalid_vga:
2181 fprintf(stderr, "Unknown vga type: %s\n", p);
2182 exit(1);
2183 }
2184 while (*opts) {
2185 const char *nextopt;
2186
2187 if (strstart(opts, ",retrace=", &nextopt)) {
2188 opts = nextopt;
2189 if (strstart(opts, "dumb", &nextopt))
2190 vga_retrace_method = VGA_RETRACE_DUMB;
2191 else if (strstart(opts, "precise", &nextopt))
2192 vga_retrace_method = VGA_RETRACE_PRECISE;
2193 else goto invalid_vga;
2194 } else goto invalid_vga;
2195 opts = nextopt;
2196 }
2197 }
2198
2199 static DisplayType select_display(const char *p)
2200 {
2201 const char *opts;
2202 DisplayType display = DT_DEFAULT;
2203
2204 if (strstart(p, "sdl", &opts)) {
2205 #ifdef CONFIG_SDL
2206 display = DT_SDL;
2207 while (*opts) {
2208 const char *nextopt;
2209
2210 if (strstart(opts, ",frame=", &nextopt)) {
2211 opts = nextopt;
2212 if (strstart(opts, "on", &nextopt)) {
2213 no_frame = 0;
2214 } else if (strstart(opts, "off", &nextopt)) {
2215 no_frame = 1;
2216 } else {
2217 goto invalid_sdl_args;
2218 }
2219 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2220 opts = nextopt;
2221 if (strstart(opts, "on", &nextopt)) {
2222 alt_grab = 1;
2223 } else if (strstart(opts, "off", &nextopt)) {
2224 alt_grab = 0;
2225 } else {
2226 goto invalid_sdl_args;
2227 }
2228 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2229 opts = nextopt;
2230 if (strstart(opts, "on", &nextopt)) {
2231 ctrl_grab = 1;
2232 } else if (strstart(opts, "off", &nextopt)) {
2233 ctrl_grab = 0;
2234 } else {
2235 goto invalid_sdl_args;
2236 }
2237 } else if (strstart(opts, ",window_close=", &nextopt)) {
2238 opts = nextopt;
2239 if (strstart(opts, "on", &nextopt)) {
2240 no_quit = 0;
2241 } else if (strstart(opts, "off", &nextopt)) {
2242 no_quit = 1;
2243 } else {
2244 goto invalid_sdl_args;
2245 }
2246 } else {
2247 invalid_sdl_args:
2248 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2249 exit(1);
2250 }
2251 opts = nextopt;
2252 }
2253 #else
2254 fprintf(stderr, "SDL support is disabled\n");
2255 exit(1);
2256 #endif
2257 } else if (strstart(p, "vnc", &opts)) {
2258 #ifdef CONFIG_VNC
2259 display_remote++;
2260
2261 if (*opts) {
2262 const char *nextopt;
2263
2264 if (strstart(opts, "=", &nextopt)) {
2265 vnc_display = nextopt;
2266 }
2267 }
2268 if (!vnc_display) {
2269 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2270 exit(1);
2271 }
2272 #else
2273 fprintf(stderr, "VNC support is disabled\n");
2274 exit(1);
2275 #endif
2276 } else if (strstart(p, "curses", &opts)) {
2277 #ifdef CONFIG_CURSES
2278 display = DT_CURSES;
2279 #else
2280 fprintf(stderr, "Curses support is disabled\n");
2281 exit(1);
2282 #endif
2283 } else if (strstart(p, "gtk", &opts)) {
2284 #ifdef CONFIG_GTK
2285 display = DT_GTK;
2286 while (*opts) {
2287 const char *nextopt;
2288
2289 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2290 opts = nextopt;
2291 if (strstart(opts, "on", &nextopt)) {
2292 grab_on_hover = true;
2293 } else if (strstart(opts, "off", &nextopt)) {
2294 grab_on_hover = false;
2295 } else {
2296 goto invalid_gtk_args;
2297 }
2298 } else {
2299 invalid_gtk_args:
2300 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2301 exit(1);
2302 }
2303 opts = nextopt;
2304 }
2305 #else
2306 fprintf(stderr, "GTK support is disabled\n");
2307 exit(1);
2308 #endif
2309 } else if (strstart(p, "none", &opts)) {
2310 display = DT_NONE;
2311 } else {
2312 fprintf(stderr, "Unknown display type: %s\n", p);
2313 exit(1);
2314 }
2315
2316 return display;
2317 }
2318
2319 static int balloon_parse(const char *arg)
2320 {
2321 QemuOpts *opts;
2322
2323 if (strcmp(arg, "none") == 0) {
2324 return 0;
2325 }
2326
2327 if (!strncmp(arg, "virtio", 6)) {
2328 if (arg[6] == ',') {
2329 /* have params -> parse them */
2330 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2331 if (!opts)
2332 return -1;
2333 } else {
2334 /* create empty opts */
2335 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2336 &error_abort);
2337 }
2338 qemu_opt_set(opts, "driver", "virtio-balloon");
2339 return 0;
2340 }
2341
2342 return -1;
2343 }
2344
2345 char *qemu_find_file(int type, const char *name)
2346 {
2347 int i;
2348 const char *subdir;
2349 char *buf;
2350
2351 /* Try the name as a straight path first */
2352 if (access(name, R_OK) == 0) {
2353 trace_load_file(name, name);
2354 return g_strdup(name);
2355 }
2356
2357 switch (type) {
2358 case QEMU_FILE_TYPE_BIOS:
2359 subdir = "";
2360 break;
2361 case QEMU_FILE_TYPE_KEYMAP:
2362 subdir = "keymaps/";
2363 break;
2364 default:
2365 abort();
2366 }
2367
2368 for (i = 0; i < data_dir_idx; i++) {
2369 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2370 if (access(buf, R_OK) == 0) {
2371 trace_load_file(name, buf);
2372 return buf;
2373 }
2374 g_free(buf);
2375 }
2376 return NULL;
2377 }
2378
2379 static int device_help_func(QemuOpts *opts, void *opaque)
2380 {
2381 return qdev_device_help(opts);
2382 }
2383
2384 static int device_init_func(QemuOpts *opts, void *opaque)
2385 {
2386 DeviceState *dev;
2387
2388 dev = qdev_device_add(opts);
2389 if (!dev)
2390 return -1;
2391 object_unref(OBJECT(dev));
2392 return 0;
2393 }
2394
2395 static int chardev_init_func(QemuOpts *opts, void *opaque)
2396 {
2397 Error *local_err = NULL;
2398
2399 qemu_chr_new_from_opts(opts, NULL, &local_err);
2400 if (local_err) {
2401 error_report("%s", error_get_pretty(local_err));
2402 error_free(local_err);
2403 return -1;
2404 }
2405 return 0;
2406 }
2407
2408 #ifdef CONFIG_VIRTFS
2409 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2410 {
2411 int ret;
2412 ret = qemu_fsdev_add(opts);
2413
2414 return ret;
2415 }
2416 #endif
2417
2418 static int mon_init_func(QemuOpts *opts, void *opaque)
2419 {
2420 CharDriverState *chr;
2421 const char *chardev;
2422 const char *mode;
2423 int flags;
2424
2425 mode = qemu_opt_get(opts, "mode");
2426 if (mode == NULL) {
2427 mode = "readline";
2428 }
2429 if (strcmp(mode, "readline") == 0) {
2430 flags = MONITOR_USE_READLINE;
2431 } else if (strcmp(mode, "control") == 0) {
2432 flags = MONITOR_USE_CONTROL;
2433 } else {
2434 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2435 exit(1);
2436 }
2437
2438 if (qemu_opt_get_bool(opts, "pretty", 0))
2439 flags |= MONITOR_USE_PRETTY;
2440
2441 if (qemu_opt_get_bool(opts, "default", 0))
2442 flags |= MONITOR_IS_DEFAULT;
2443
2444 chardev = qemu_opt_get(opts, "chardev");
2445 chr = qemu_chr_find(chardev);
2446 if (chr == NULL) {
2447 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2448 exit(1);
2449 }
2450
2451 qemu_chr_fe_claim_no_fail(chr);
2452 monitor_init(chr, flags);
2453 return 0;
2454 }
2455
2456 static void monitor_parse(const char *optarg, const char *mode)
2457 {
2458 static int monitor_device_index = 0;
2459 QemuOpts *opts;
2460 const char *p;
2461 char label[32];
2462 int def = 0;
2463
2464 if (strstart(optarg, "chardev:", &p)) {
2465 snprintf(label, sizeof(label), "%s", p);
2466 } else {
2467 snprintf(label, sizeof(label), "compat_monitor%d",
2468 monitor_device_index);
2469 if (monitor_device_index == 0) {
2470 def = 1;
2471 }
2472 opts = qemu_chr_parse_compat(label, optarg);
2473 if (!opts) {
2474 fprintf(stderr, "parse error: %s\n", optarg);
2475 exit(1);
2476 }
2477 }
2478
2479 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2480 if (!opts) {
2481 fprintf(stderr, "duplicate chardev: %s\n", label);
2482 exit(1);
2483 }
2484 qemu_opt_set(opts, "mode", mode);
2485 qemu_opt_set(opts, "chardev", label);
2486 if (def)
2487 qemu_opt_set(opts, "default", "on");
2488 monitor_device_index++;
2489 }
2490
2491 struct device_config {
2492 enum {
2493 DEV_USB, /* -usbdevice */
2494 DEV_BT, /* -bt */
2495 DEV_SERIAL, /* -serial */
2496 DEV_PARALLEL, /* -parallel */
2497 DEV_VIRTCON, /* -virtioconsole */
2498 DEV_DEBUGCON, /* -debugcon */
2499 DEV_GDB, /* -gdb, -s */
2500 DEV_SCLP, /* s390 sclp */
2501 } type;
2502 const char *cmdline;
2503 Location loc;
2504 QTAILQ_ENTRY(device_config) next;
2505 };
2506
2507 static QTAILQ_HEAD(, device_config) device_configs =
2508 QTAILQ_HEAD_INITIALIZER(device_configs);
2509
2510 static void add_device_config(int type, const char *cmdline)
2511 {
2512 struct device_config *conf;
2513
2514 conf = g_malloc0(sizeof(*conf));
2515 conf->type = type;
2516 conf->cmdline = cmdline;
2517 loc_save(&conf->loc);
2518 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2519 }
2520
2521 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2522 {
2523 struct device_config *conf;
2524 int rc;
2525
2526 QTAILQ_FOREACH(conf, &device_configs, next) {
2527 if (conf->type != type)
2528 continue;
2529 loc_push_restore(&conf->loc);
2530 rc = func(conf->cmdline);
2531 loc_pop(&conf->loc);
2532 if (0 != rc)
2533 return rc;
2534 }
2535 return 0;
2536 }
2537
2538 static int serial_parse(const char *devname)
2539 {
2540 static int index = 0;
2541 char label[32];
2542
2543 if (strcmp(devname, "none") == 0)
2544 return 0;
2545 if (index == MAX_SERIAL_PORTS) {
2546 fprintf(stderr, "qemu: too many serial ports\n");
2547 exit(1);
2548 }
2549 snprintf(label, sizeof(label), "serial%d", index);
2550 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2551 if (!serial_hds[index]) {
2552 fprintf(stderr, "qemu: could not connect serial device"
2553 " to character backend '%s'\n", devname);
2554 return -1;
2555 }
2556 index++;
2557 return 0;
2558 }
2559
2560 static int parallel_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_PARALLEL_PORTS) {
2568 fprintf(stderr, "qemu: too many parallel ports\n");
2569 exit(1);
2570 }
2571 snprintf(label, sizeof(label), "parallel%d", index);
2572 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2573 if (!parallel_hds[index]) {
2574 fprintf(stderr, "qemu: could not connect parallel device"
2575 " to character backend '%s'\n", devname);
2576 return -1;
2577 }
2578 index++;
2579 return 0;
2580 }
2581
2582 static int virtcon_parse(const char *devname)
2583 {
2584 QemuOptsList *device = qemu_find_opts("device");
2585 static int index = 0;
2586 char label[32];
2587 QemuOpts *bus_opts, *dev_opts;
2588
2589 if (strcmp(devname, "none") == 0)
2590 return 0;
2591 if (index == MAX_VIRTIO_CONSOLES) {
2592 fprintf(stderr, "qemu: too many virtio consoles\n");
2593 exit(1);
2594 }
2595
2596 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2597 if (arch_type == QEMU_ARCH_S390X) {
2598 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2599 } else {
2600 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2601 }
2602
2603 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2604 qemu_opt_set(dev_opts, "driver", "virtconsole");
2605
2606 snprintf(label, sizeof(label), "virtcon%d", index);
2607 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2608 if (!virtcon_hds[index]) {
2609 fprintf(stderr, "qemu: could not connect virtio console"
2610 " to character backend '%s'\n", devname);
2611 return -1;
2612 }
2613 qemu_opt_set(dev_opts, "chardev", label);
2614
2615 index++;
2616 return 0;
2617 }
2618
2619 static int sclp_parse(const char *devname)
2620 {
2621 QemuOptsList *device = qemu_find_opts("device");
2622 static int index = 0;
2623 char label[32];
2624 QemuOpts *dev_opts;
2625
2626 if (strcmp(devname, "none") == 0) {
2627 return 0;
2628 }
2629 if (index == MAX_SCLP_CONSOLES) {
2630 fprintf(stderr, "qemu: too many sclp consoles\n");
2631 exit(1);
2632 }
2633
2634 assert(arch_type == QEMU_ARCH_S390X);
2635
2636 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2637 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2638
2639 snprintf(label, sizeof(label), "sclpcon%d", index);
2640 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2641 if (!sclp_hds[index]) {
2642 fprintf(stderr, "qemu: could not connect sclp console"
2643 " to character backend '%s'\n", devname);
2644 return -1;
2645 }
2646 qemu_opt_set(dev_opts, "chardev", label);
2647
2648 index++;
2649 return 0;
2650 }
2651
2652 static int debugcon_parse(const char *devname)
2653 {
2654 QemuOpts *opts;
2655
2656 if (!qemu_chr_new("debugcon", devname, NULL)) {
2657 exit(1);
2658 }
2659 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2660 if (!opts) {
2661 fprintf(stderr, "qemu: already have a debugcon device\n");
2662 exit(1);
2663 }
2664 qemu_opt_set(opts, "driver", "isa-debugcon");
2665 qemu_opt_set(opts, "chardev", "debugcon");
2666 return 0;
2667 }
2668
2669 static MachineClass *machine_parse(const char *name)
2670 {
2671 MachineClass *mc = NULL;
2672 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2673
2674 if (name) {
2675 mc = find_machine(name);
2676 }
2677 if (mc) {
2678 return mc;
2679 }
2680 if (name && !is_help_option(name)) {
2681 error_report("Unsupported machine type");
2682 error_printf("Use -machine help to list supported machines!\n");
2683 } else {
2684 printf("Supported machines are:\n");
2685 for (el = machines; el; el = el->next) {
2686 MachineClass *mc = el->data;
2687 QEMUMachine *m = mc->qemu_machine;
2688 if (m->alias) {
2689 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2690 }
2691 printf("%-20s %s%s\n", m->name, m->desc,
2692 m->is_default ? " (default)" : "");
2693 }
2694 }
2695
2696 g_slist_free(machines);
2697 exit(!name || !is_help_option(name));
2698 }
2699
2700 static int tcg_init(QEMUMachine *machine)
2701 {
2702 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2703 return 0;
2704 }
2705
2706 static struct {
2707 const char *opt_name;
2708 const char *name;
2709 int (*available)(void);
2710 int (*init)(QEMUMachine *);
2711 bool *allowed;
2712 } accel_list[] = {
2713 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2714 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2715 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2716 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2717 };
2718
2719 static int configure_accelerator(QEMUMachine *machine)
2720 {
2721 const char *p;
2722 char buf[10];
2723 int i, ret;
2724 bool accel_initialised = false;
2725 bool init_failed = false;
2726
2727 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2728 if (p == NULL) {
2729 /* Use the default "accelerator", tcg */
2730 p = "tcg";
2731 }
2732
2733 while (!accel_initialised && *p != '\0') {
2734 if (*p == ':') {
2735 p++;
2736 }
2737 p = get_opt_name(buf, sizeof (buf), p, ':');
2738 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2739 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2740 if (!accel_list[i].available()) {
2741 printf("%s not supported for this target\n",
2742 accel_list[i].name);
2743 continue;
2744 }
2745 *(accel_list[i].allowed) = true;
2746 ret = accel_list[i].init(machine);
2747 if (ret < 0) {
2748 init_failed = true;
2749 fprintf(stderr, "failed to initialize %s: %s\n",
2750 accel_list[i].name,
2751 strerror(-ret));
2752 *(accel_list[i].allowed) = false;
2753 } else {
2754 accel_initialised = true;
2755 }
2756 break;
2757 }
2758 }
2759 if (i == ARRAY_SIZE(accel_list)) {
2760 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2761 }
2762 }
2763
2764 if (!accel_initialised) {
2765 if (!init_failed) {
2766 fprintf(stderr, "No accelerator found!\n");
2767 }
2768 exit(1);
2769 }
2770
2771 if (init_failed) {
2772 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2773 }
2774
2775 return !accel_initialised;
2776 }
2777
2778 void qemu_add_exit_notifier(Notifier *notify)
2779 {
2780 notifier_list_add(&exit_notifiers, notify);
2781 }
2782
2783 void qemu_remove_exit_notifier(Notifier *notify)
2784 {
2785 notifier_remove(notify);
2786 }
2787
2788 static void qemu_run_exit_notifiers(void)
2789 {
2790 notifier_list_notify(&exit_notifiers, NULL);
2791 }
2792
2793 void qemu_add_machine_init_done_notifier(Notifier *notify)
2794 {
2795 notifier_list_add(&machine_init_done_notifiers, notify);
2796 }
2797
2798 static void qemu_run_machine_init_done_notifiers(void)
2799 {
2800 notifier_list_notify(&machine_init_done_notifiers, NULL);
2801 }
2802
2803 static const QEMUOption *lookup_opt(int argc, char **argv,
2804 const char **poptarg, int *poptind)
2805 {
2806 const QEMUOption *popt;
2807 int optind = *poptind;
2808 char *r = argv[optind];
2809 const char *optarg;
2810
2811 loc_set_cmdline(argv, optind, 1);
2812 optind++;
2813 /* Treat --foo the same as -foo. */
2814 if (r[1] == '-')
2815 r++;
2816 popt = qemu_options;
2817 for(;;) {
2818 if (!popt->name) {
2819 error_report("invalid option");
2820 exit(1);
2821 }
2822 if (!strcmp(popt->name, r + 1))
2823 break;
2824 popt++;
2825 }
2826 if (popt->flags & HAS_ARG) {
2827 if (optind >= argc) {
2828 error_report("requires an argument");
2829 exit(1);
2830 }
2831 optarg = argv[optind++];
2832 loc_set_cmdline(argv, optind - 2, 2);
2833 } else {
2834 optarg = NULL;
2835 }
2836
2837 *poptarg = optarg;
2838 *poptind = optind;
2839
2840 return popt;
2841 }
2842
2843 static gpointer malloc_and_trace(gsize n_bytes)
2844 {
2845 void *ptr = malloc(n_bytes);
2846 trace_g_malloc(n_bytes, ptr);
2847 return ptr;
2848 }
2849
2850 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2851 {
2852 void *ptr = realloc(mem, n_bytes);
2853 trace_g_realloc(mem, n_bytes, ptr);
2854 return ptr;
2855 }
2856
2857 static void free_and_trace(gpointer mem)
2858 {
2859 trace_g_free(mem);
2860 free(mem);
2861 }
2862
2863 static int object_set_property(const char *name, const char *value, void *opaque)
2864 {
2865 Object *obj = OBJECT(opaque);
2866 StringInputVisitor *siv;
2867 Error *local_err = NULL;
2868
2869 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2870 return 0;
2871 }
2872
2873 siv = string_input_visitor_new(value);
2874 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2875 string_input_visitor_cleanup(siv);
2876
2877 if (local_err) {
2878 qerror_report_err(local_err);
2879 error_free(local_err);
2880 return -1;
2881 }
2882
2883 return 0;
2884 }
2885
2886 static int object_create(QemuOpts *opts, void *opaque)
2887 {
2888 const char *type = qemu_opt_get(opts, "qom-type");
2889 const char *id = qemu_opts_id(opts);
2890 Error *local_err = NULL;
2891 Object *obj;
2892
2893 g_assert(type != NULL);
2894
2895 if (id == NULL) {
2896 qerror_report(QERR_MISSING_PARAMETER, "id");
2897 return -1;
2898 }
2899
2900 obj = object_new(type);
2901 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2902 object_unref(obj);
2903 return -1;
2904 }
2905
2906 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2907 error_setg(&local_err, "object '%s' isn't supported by -object",
2908 id);
2909 goto out;
2910 }
2911
2912 user_creatable_complete(obj, &local_err);
2913 if (local_err) {
2914 goto out;
2915 }
2916
2917 object_property_add_child(container_get(object_get_root(), "/objects"),
2918 id, obj, &local_err);
2919
2920 out:
2921 object_unref(obj);
2922 if (local_err) {
2923 qerror_report_err(local_err);
2924 error_free(local_err);
2925 return -1;
2926 }
2927 return 0;
2928 }
2929
2930 int main(int argc, char **argv, char **envp)
2931 {
2932 int i;
2933 int snapshot, linux_boot;
2934 const char *icount_option = NULL;
2935 const char *initrd_filename;
2936 const char *kernel_filename, *kernel_cmdline;
2937 const char *boot_order;
2938 DisplayState *ds;
2939 int cyls, heads, secs, translation;
2940 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2941 QemuOptsList *olist;
2942 int optind;
2943 const char *optarg;
2944 const char *loadvm = NULL;
2945 MachineClass *machine_class;
2946 QEMUMachine *machine;
2947 const char *cpu_model;
2948 const char *vga_model = NULL;
2949 const char *qtest_chrdev = NULL;
2950 const char *qtest_log = NULL;
2951 const char *pid_file = NULL;
2952 const char *incoming = NULL;
2953 #ifdef CONFIG_VNC
2954 int show_vnc_port = 0;
2955 #endif
2956 bool defconfig = true;
2957 bool userconfig = true;
2958 const char *log_mask = NULL;
2959 const char *log_file = NULL;
2960 GMemVTable mem_trace = {
2961 .malloc = malloc_and_trace,
2962 .realloc = realloc_and_trace,
2963 .free = free_and_trace,
2964 };
2965 const char *trace_events = NULL;
2966 const char *trace_file = NULL;
2967
2968 atexit(qemu_run_exit_notifiers);
2969 error_set_progname(argv[0]);
2970 qemu_init_exec_dir(argv[0]);
2971
2972 g_mem_set_vtable(&mem_trace);
2973 if (!g_thread_supported()) {
2974 #if !GLIB_CHECK_VERSION(2, 31, 0)
2975 g_thread_init(NULL);
2976 #else
2977 fprintf(stderr, "glib threading failed to initialize.\n");
2978 exit(1);
2979 #endif
2980 }
2981
2982 module_call_init(MODULE_INIT_QOM);
2983
2984 qemu_add_opts(&qemu_drive_opts);
2985 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2986 qemu_add_drive_opts(&qemu_common_drive_opts);
2987 qemu_add_drive_opts(&qemu_drive_opts);
2988 qemu_add_opts(&qemu_chardev_opts);
2989 qemu_add_opts(&qemu_device_opts);
2990 qemu_add_opts(&qemu_netdev_opts);
2991 qemu_add_opts(&qemu_net_opts);
2992 qemu_add_opts(&qemu_rtc_opts);
2993 qemu_add_opts(&qemu_global_opts);
2994 qemu_add_opts(&qemu_mon_opts);
2995 qemu_add_opts(&qemu_trace_opts);
2996 qemu_add_opts(&qemu_option_rom_opts);
2997 qemu_add_opts(&qemu_machine_opts);
2998 qemu_add_opts(&qemu_smp_opts);
2999 qemu_add_opts(&qemu_boot_opts);
3000 qemu_add_opts(&qemu_sandbox_opts);
3001 qemu_add_opts(&qemu_add_fd_opts);
3002 qemu_add_opts(&qemu_object_opts);
3003 qemu_add_opts(&qemu_tpmdev_opts);
3004 qemu_add_opts(&qemu_realtime_opts);
3005 qemu_add_opts(&qemu_msg_opts);
3006 qemu_add_opts(&qemu_name_opts);
3007
3008 runstate_init();
3009
3010 init_clocks();
3011 rtc_clock = QEMU_CLOCK_HOST;
3012
3013 qemu_init_auxval(envp);
3014 qemu_cache_utils_init();
3015
3016 QLIST_INIT (&vm_change_state_head);
3017 os_setup_early_signal_handling();
3018
3019 module_call_init(MODULE_INIT_MACHINE);
3020 machine_class = find_default_machine();
3021 cpu_model = NULL;
3022 ram_size = 0;
3023 snapshot = 0;
3024 cyls = heads = secs = 0;
3025 translation = BIOS_ATA_TRANSLATION_AUTO;
3026
3027 for (i = 0; i < MAX_NODES; i++) {
3028 node_mem[i] = 0;
3029 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3030 }
3031
3032 nb_numa_nodes = 0;
3033 nb_nics = 0;
3034
3035 bdrv_init_with_whitelist();
3036
3037 autostart = 1;
3038
3039 /* first pass of option parsing */
3040 optind = 1;
3041 while (optind < argc) {
3042 if (argv[optind][0] != '-') {
3043 /* disk image */
3044 optind++;
3045 continue;
3046 } else {
3047 const QEMUOption *popt;
3048
3049 popt = lookup_opt(argc, argv, &optarg, &optind);
3050 switch (popt->index) {
3051 case QEMU_OPTION_nodefconfig:
3052 defconfig = false;
3053 break;
3054 case QEMU_OPTION_nouserconfig:
3055 userconfig = false;
3056 break;
3057 }
3058 }
3059 }
3060
3061 if (defconfig) {
3062 int ret;
3063 ret = qemu_read_default_config_files(userconfig);
3064 if (ret < 0) {
3065 exit(1);
3066 }
3067 }
3068
3069 /* second pass of option parsing */
3070 optind = 1;
3071 for(;;) {
3072 if (optind >= argc)
3073 break;
3074 if (argv[optind][0] != '-') {
3075 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3076 } else {
3077 const QEMUOption *popt;
3078
3079 popt = lookup_opt(argc, argv, &optarg, &optind);
3080 if (!(popt->arch_mask & arch_type)) {
3081 printf("Option %s not supported for this target\n", popt->name);
3082 exit(1);
3083 }
3084 switch(popt->index) {
3085 case QEMU_OPTION_M:
3086 machine_class = machine_parse(optarg);
3087 break;
3088 case QEMU_OPTION_no_kvm_irqchip: {
3089 olist = qemu_find_opts("machine");
3090 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3091 break;
3092 }
3093 case QEMU_OPTION_cpu:
3094 /* hw initialization will check this */
3095 cpu_model = optarg;
3096 break;
3097 case QEMU_OPTION_hda:
3098 {
3099 char buf[256];
3100 if (cyls == 0)
3101 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3102 else
3103 snprintf(buf, sizeof(buf),
3104 "%s,cyls=%d,heads=%d,secs=%d%s",
3105 HD_OPTS , cyls, heads, secs,
3106 translation == BIOS_ATA_TRANSLATION_LBA ?
3107 ",trans=lba" :
3108 translation == BIOS_ATA_TRANSLATION_NONE ?
3109 ",trans=none" : "");
3110 drive_add(IF_DEFAULT, 0, optarg, buf);
3111 break;
3112 }
3113 case QEMU_OPTION_hdb:
3114 case QEMU_OPTION_hdc:
3115 case QEMU_OPTION_hdd:
3116 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3117 HD_OPTS);
3118 break;
3119 case QEMU_OPTION_drive:
3120 if (drive_def(optarg) == NULL) {
3121 exit(1);
3122 }
3123 break;
3124 case QEMU_OPTION_set:
3125 if (qemu_set_option(optarg) != 0)
3126 exit(1);
3127 break;
3128 case QEMU_OPTION_global:
3129 if (qemu_global_option(optarg) != 0)
3130 exit(1);
3131 break;
3132 case QEMU_OPTION_mtdblock:
3133 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3134 break;
3135 case QEMU_OPTION_sd:
3136 drive_add(IF_SD, -1, optarg, SD_OPTS);
3137 break;
3138 case QEMU_OPTION_pflash:
3139 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3140 break;
3141 case QEMU_OPTION_snapshot:
3142 snapshot = 1;
3143 break;
3144 case QEMU_OPTION_hdachs:
3145 {
3146 const char *p;
3147 p = optarg;
3148 cyls = strtol(p, (char **)&p, 0);
3149 if (cyls < 1 || cyls > 16383)
3150 goto chs_fail;
3151 if (*p != ',')
3152 goto chs_fail;
3153 p++;
3154 heads = strtol(p, (char **)&p, 0);
3155 if (heads < 1 || heads > 16)
3156 goto chs_fail;
3157 if (*p != ',')
3158 goto chs_fail;
3159 p++;
3160 secs = strtol(p, (char **)&p, 0);
3161 if (secs < 1 || secs > 63)
3162 goto chs_fail;
3163 if (*p == ',') {
3164 p++;
3165 if (!strcmp(p, "large")) {
3166 translation = BIOS_ATA_TRANSLATION_LARGE;
3167 } else if (!strcmp(p, "rechs")) {
3168 translation = BIOS_ATA_TRANSLATION_RECHS;
3169 } else if (!strcmp(p, "none")) {
3170 translation = BIOS_ATA_TRANSLATION_NONE;
3171 } else if (!strcmp(p, "lba")) {
3172 translation = BIOS_ATA_TRANSLATION_LBA;
3173 } else if (!strcmp(p, "auto")) {
3174 translation = BIOS_ATA_TRANSLATION_AUTO;
3175 } else {
3176 goto chs_fail;
3177 }
3178 } else if (*p != '\0') {
3179 chs_fail:
3180 fprintf(stderr, "qemu: invalid physical CHS format\n");
3181 exit(1);
3182 }
3183 if (hda_opts != NULL) {
3184 char num[16];
3185 snprintf(num, sizeof(num), "%d", cyls);
3186 qemu_opt_set(hda_opts, "cyls", num);
3187 snprintf(num, sizeof(num), "%d", heads);
3188 qemu_opt_set(hda_opts, "heads", num);
3189 snprintf(num, sizeof(num), "%d", secs);
3190 qemu_opt_set(hda_opts, "secs", num);
3191 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3192 qemu_opt_set(hda_opts, "trans", "large");
3193 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3194 qemu_opt_set(hda_opts, "trans", "rechs");
3195 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3196 qemu_opt_set(hda_opts, "trans", "lba");
3197 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3198 qemu_opt_set(hda_opts, "trans", "none");
3199 }
3200 }
3201 }
3202 break;
3203 case QEMU_OPTION_numa:
3204 numa_add(optarg);
3205 break;
3206 case QEMU_OPTION_display:
3207 display_type = select_display(optarg);
3208 break;
3209 case QEMU_OPTION_nographic:
3210 display_type = DT_NOGRAPHIC;
3211 break;
3212 case QEMU_OPTION_curses:
3213 #ifdef CONFIG_CURSES
3214 display_type = DT_CURSES;
3215 #else
3216 fprintf(stderr, "Curses support is disabled\n");
3217 exit(1);
3218 #endif
3219 break;
3220 case QEMU_OPTION_portrait:
3221 graphic_rotate = 90;
3222 break;
3223 case QEMU_OPTION_rotate:
3224 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3225 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3226 graphic_rotate != 180 && graphic_rotate != 270) {
3227 fprintf(stderr,
3228 "qemu: only 90, 180, 270 deg rotation is available\n");
3229 exit(1);
3230 }
3231 break;
3232 case QEMU_OPTION_kernel:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3237 break;
3238 case QEMU_OPTION_append:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3240 break;
3241 case QEMU_OPTION_dtb:
3242 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3243 break;
3244 case QEMU_OPTION_cdrom:
3245 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3246 break;
3247 case QEMU_OPTION_boot:
3248 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3249 if (!opts) {
3250 exit(1);
3251 }
3252 break;
3253 case QEMU_OPTION_fda:
3254 case QEMU_OPTION_fdb:
3255 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3256 optarg, FD_OPTS);
3257 break;
3258 case QEMU_OPTION_no_fd_bootchk:
3259 fd_bootchk = 0;
3260 break;
3261 case QEMU_OPTION_netdev:
3262 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_net:
3267 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3268 exit(1);
3269 }
3270 break;
3271 #ifdef CONFIG_LIBISCSI
3272 case QEMU_OPTION_iscsi:
3273 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3274 if (!opts) {
3275 exit(1);
3276 }
3277 break;
3278 #endif
3279 #ifdef CONFIG_SLIRP
3280 case QEMU_OPTION_tftp:
3281 legacy_tftp_prefix = optarg;
3282 break;
3283 case QEMU_OPTION_bootp:
3284 legacy_bootp_filename = optarg;
3285 break;
3286 case QEMU_OPTION_redir:
3287 if (net_slirp_redir(optarg) < 0)
3288 exit(1);
3289 break;
3290 #endif
3291 case QEMU_OPTION_bt:
3292 add_device_config(DEV_BT, optarg);
3293 break;
3294 case QEMU_OPTION_audio_help:
3295 AUD_help ();
3296 exit (0);
3297 break;
3298 case QEMU_OPTION_soundhw:
3299 select_soundhw (optarg);
3300 break;
3301 case QEMU_OPTION_h:
3302 help(0);
3303 break;
3304 case QEMU_OPTION_version:
3305 version();
3306 exit(0);
3307 break;
3308 case QEMU_OPTION_m: {
3309 int64_t value;
3310 uint64_t sz;
3311 char *end;
3312
3313 value = strtosz(optarg, &end);
3314 if (value < 0 || *end) {
3315 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3316 exit(1);
3317 }
3318 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3319 ram_size = sz;
3320 if (ram_size != sz) {
3321 fprintf(stderr, "qemu: ram size too large\n");
3322 exit(1);
3323 }
3324 break;
3325 }
3326 #ifdef CONFIG_TPM
3327 case QEMU_OPTION_tpmdev:
3328 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3329 exit(1);
3330 }
3331 break;
3332 #endif
3333 case QEMU_OPTION_mempath:
3334 mem_path = optarg;
3335 break;
3336 case QEMU_OPTION_mem_prealloc:
3337 mem_prealloc = 1;
3338 break;
3339 case QEMU_OPTION_d:
3340 log_mask = optarg;
3341 break;
3342 case QEMU_OPTION_D:
3343 log_file = optarg;
3344 break;
3345 case QEMU_OPTION_s:
3346 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3347 break;
3348 case QEMU_OPTION_gdb:
3349 add_device_config(DEV_GDB, optarg);
3350 break;
3351 case QEMU_OPTION_L:
3352 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3353 data_dir[data_dir_idx++] = optarg;
3354 }
3355 break;
3356 case QEMU_OPTION_bios:
3357 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3358 break;
3359 case QEMU_OPTION_singlestep:
3360 singlestep = 1;
3361 break;
3362 case QEMU_OPTION_S:
3363 autostart = 0;
3364 break;
3365 case QEMU_OPTION_k:
3366 keyboard_layout = optarg;
3367 break;
3368 case QEMU_OPTION_localtime:
3369 rtc_utc = 0;
3370 break;
3371 case QEMU_OPTION_vga:
3372 vga_model = optarg;
3373 default_vga = 0;
3374 break;
3375 case QEMU_OPTION_g:
3376 {
3377 const char *p;
3378 int w, h, depth;
3379 p = optarg;
3380 w = strtol(p, (char **)&p, 10);
3381 if (w <= 0) {
3382 graphic_error:
3383 fprintf(stderr, "qemu: invalid resolution or depth\n");
3384 exit(1);
3385 }
3386 if (*p != 'x')
3387 goto graphic_error;
3388 p++;
3389 h = strtol(p, (char **)&p, 10);
3390 if (h <= 0)
3391 goto graphic_error;
3392 if (*p == 'x') {
3393 p++;
3394 depth = strtol(p, (char **)&p, 10);
3395 if (depth != 8 && depth != 15 && depth != 16 &&
3396 depth != 24 && depth != 32)
3397 goto graphic_error;
3398 } else if (*p == '\0') {
3399 depth = graphic_depth;
3400 } else {
3401 goto graphic_error;
3402 }
3403
3404 graphic_width = w;
3405 graphic_height = h;
3406 graphic_depth = depth;
3407 }
3408 break;
3409 case QEMU_OPTION_echr:
3410 {
3411 char *r;
3412 term_escape_char = strtol(optarg, &r, 0);
3413 if (r == optarg)
3414 printf("Bad argument to echr\n");
3415 break;
3416 }
3417 case QEMU_OPTION_monitor:
3418 default_monitor = 0;
3419 if (strncmp(optarg, "none", 4)) {
3420 monitor_parse(optarg, "readline");
3421 }
3422 break;
3423 case QEMU_OPTION_qmp:
3424 monitor_parse(optarg, "control");
3425 default_monitor = 0;
3426 break;
3427 case QEMU_OPTION_mon:
3428 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3429 if (!opts) {
3430 exit(1);
3431 }
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_chardev:
3435 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3436 if (!opts) {
3437 exit(1);
3438 }
3439 break;
3440 case QEMU_OPTION_fsdev:
3441 olist = qemu_find_opts("fsdev");
3442 if (!olist) {
3443 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3444 exit(1);
3445 }
3446 opts = qemu_opts_parse(olist, optarg, 1);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 break;
3451 case QEMU_OPTION_virtfs: {
3452 QemuOpts *fsdev;
3453 QemuOpts *device;
3454 const char *writeout, *sock_fd, *socket;
3455
3456 olist = qemu_find_opts("virtfs");
3457 if (!olist) {
3458 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3459 exit(1);
3460 }
3461 opts = qemu_opts_parse(olist, optarg, 1);
3462 if (!opts) {
3463 exit(1);
3464 }
3465
3466 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3467 qemu_opt_get(opts, "mount_tag") == NULL) {
3468 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3469 exit(1);
3470 }
3471 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3472 qemu_opt_get(opts, "mount_tag"),
3473 1, NULL);
3474 if (!fsdev) {
3475 fprintf(stderr, "duplicate fsdev id: %s\n",
3476 qemu_opt_get(opts, "mount_tag"));
3477 exit(1);
3478 }
3479
3480 writeout = qemu_opt_get(opts, "writeout");
3481 if (writeout) {
3482 #ifdef CONFIG_SYNC_FILE_RANGE
3483 qemu_opt_set(fsdev, "writeout", writeout);
3484 #else
3485 fprintf(stderr, "writeout=immediate not supported on "
3486 "this platform\n");
3487 exit(1);