Merge remote-tracking branch 'remotes/kraxel/tags/pull-gtk-3' 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 "hw/hw.h"
62 #include "hw/boards.h"
63 #include "hw/usb.h"
64 #include "hw/pcmcia.h"
65 #include "hw/i386/pc.h"
66 #include "hw/isa/isa.h"
67 #include "hw/bt.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/i386/smbios.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "sysemu/sysemu.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/cache-utils.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106 #include "qemu/sockets.h"
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)
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 && 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 {
1236 assert(i->suffix);
1237 bootpath = g_strdup(i->suffix);
1238 }
1239
1240 if (total) {
1241 list[total-1] = '\n';
1242 }
1243 len = strlen(bootpath) + 1;
1244 list = g_realloc(list, total + len);
1245 memcpy(&list[total], bootpath, len);
1246 total += len;
1247 g_free(bootpath);
1248 }
1249
1250 *size = total;
1251
1252 if (boot_strict && *size > 0) {
1253 list[total-1] = '\n';
1254 list = g_realloc(list, total + 5);
1255 memcpy(&list[total], "HALT", 5);
1256 *size = total + 5;
1257 }
1258 return list;
1259 }
1260
1261 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1262 {
1263 char *endptr;
1264 unsigned long long value, endvalue;
1265
1266 /* Empty CPU range strings will be considered valid, they will simply
1267 * not set any bit in the CPU bitmap.
1268 */
1269 if (!*cpus) {
1270 return;
1271 }
1272
1273 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1274 goto error;
1275 }
1276 if (*endptr == '-') {
1277 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1278 goto error;
1279 }
1280 } else if (*endptr == '\0') {
1281 endvalue = value;
1282 } else {
1283 goto error;
1284 }
1285
1286 if (endvalue >= MAX_CPUMASK_BITS) {
1287 endvalue = MAX_CPUMASK_BITS - 1;
1288 fprintf(stderr,
1289 "qemu: NUMA: A max of %d VCPUs are supported\n",
1290 MAX_CPUMASK_BITS);
1291 }
1292
1293 if (endvalue < value) {
1294 goto error;
1295 }
1296
1297 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1298 return;
1299
1300 error:
1301 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1302 exit(1);
1303 }
1304
1305 static void numa_add(const char *optarg)
1306 {
1307 char option[128];
1308 char *endptr;
1309 unsigned long long nodenr;
1310
1311 optarg = get_opt_name(option, 128, optarg, ',');
1312 if (*optarg == ',') {
1313 optarg++;
1314 }
1315 if (!strcmp(option, "node")) {
1316
1317 if (nb_numa_nodes >= MAX_NODES) {
1318 fprintf(stderr, "qemu: too many NUMA nodes\n");
1319 exit(1);
1320 }
1321
1322 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1323 nodenr = nb_numa_nodes;
1324 } else {
1325 if (parse_uint_full(option, &nodenr, 10) < 0) {
1326 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1327 exit(1);
1328 }
1329 }
1330
1331 if (nodenr >= MAX_NODES) {
1332 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1333 exit(1);
1334 }
1335
1336 if (get_param_value(option, 128, "mem", optarg) == 0) {
1337 node_mem[nodenr] = 0;
1338 } else {
1339 int64_t sval;
1340 sval = strtosz(option, &endptr);
1341 if (sval < 0 || *endptr) {
1342 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1343 exit(1);
1344 }
1345 node_mem[nodenr] = sval;
1346 }
1347 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1348 numa_node_parse_cpus(nodenr, option);
1349 }
1350 nb_numa_nodes++;
1351 } else {
1352 fprintf(stderr, "Invalid -numa option: %s\n", option);
1353 exit(1);
1354 }
1355 }
1356
1357 static QemuOptsList qemu_smp_opts = {
1358 .name = "smp-opts",
1359 .implied_opt_name = "cpus",
1360 .merge_lists = true,
1361 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1362 .desc = {
1363 {
1364 .name = "cpus",
1365 .type = QEMU_OPT_NUMBER,
1366 }, {
1367 .name = "sockets",
1368 .type = QEMU_OPT_NUMBER,
1369 }, {
1370 .name = "cores",
1371 .type = QEMU_OPT_NUMBER,
1372 }, {
1373 .name = "threads",
1374 .type = QEMU_OPT_NUMBER,
1375 }, {
1376 .name = "maxcpus",
1377 .type = QEMU_OPT_NUMBER,
1378 },
1379 { /*End of list */ }
1380 },
1381 };
1382
1383 static void smp_parse(QemuOpts *opts)
1384 {
1385 if (opts) {
1386
1387 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1388 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1389 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1390 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1391
1392 /* compute missing values, prefer sockets over cores over threads */
1393 if (cpus == 0 || sockets == 0) {
1394 sockets = sockets > 0 ? sockets : 1;
1395 cores = cores > 0 ? cores : 1;
1396 threads = threads > 0 ? threads : 1;
1397 if (cpus == 0) {
1398 cpus = cores * threads * sockets;
1399 }
1400 } else {
1401 if (cores == 0) {
1402 threads = threads > 0 ? threads : 1;
1403 cores = cpus / (sockets * threads);
1404 } else {
1405 threads = cpus / (cores * sockets);
1406 }
1407 }
1408
1409 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1410
1411 smp_cpus = cpus;
1412 smp_cores = cores > 0 ? cores : 1;
1413 smp_threads = threads > 0 ? threads : 1;
1414
1415 }
1416
1417 if (max_cpus == 0) {
1418 max_cpus = smp_cpus;
1419 }
1420
1421 if (max_cpus > 255) {
1422 fprintf(stderr, "Unsupported number of maxcpus\n");
1423 exit(1);
1424 }
1425 if (max_cpus < smp_cpus) {
1426 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1427 exit(1);
1428 }
1429
1430 }
1431
1432 static void configure_realtime(QemuOpts *opts)
1433 {
1434 bool enable_mlock;
1435
1436 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1437
1438 if (enable_mlock) {
1439 if (os_mlock() < 0) {
1440 fprintf(stderr, "qemu: locking memory failed\n");
1441 exit(1);
1442 }
1443 }
1444 }
1445
1446
1447 static void configure_msg(QemuOpts *opts)
1448 {
1449 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1450 }
1451
1452 /***********************************************************/
1453 /* USB devices */
1454
1455 static int usb_device_add(const char *devname)
1456 {
1457 USBDevice *dev = NULL;
1458 #ifndef CONFIG_LINUX
1459 const char *p;
1460 #endif
1461
1462 if (!usb_enabled(false)) {
1463 return -1;
1464 }
1465
1466 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1467 dev = usbdevice_create(devname);
1468 if (dev)
1469 goto done;
1470
1471 /* the other ones */
1472 #ifndef CONFIG_LINUX
1473 /* only the linux version is qdev-ified, usb-bsd still needs this */
1474 if (strstart(devname, "host:", &p)) {
1475 dev = usb_host_device_open(usb_bus_find(-1), p);
1476 }
1477 #endif
1478 if (!dev)
1479 return -1;
1480
1481 done:
1482 return 0;
1483 }
1484
1485 static int usb_device_del(const char *devname)
1486 {
1487 int bus_num, addr;
1488 const char *p;
1489
1490 if (strstart(devname, "host:", &p)) {
1491 return -1;
1492 }
1493
1494 if (!usb_enabled(false)) {
1495 return -1;
1496 }
1497
1498 p = strchr(devname, '.');
1499 if (!p)
1500 return -1;
1501 bus_num = strtoul(devname, NULL, 0);
1502 addr = strtoul(p + 1, NULL, 0);
1503
1504 return usb_device_delete_addr(bus_num, addr);
1505 }
1506
1507 static int usb_parse(const char *cmdline)
1508 {
1509 int r;
1510 r = usb_device_add(cmdline);
1511 if (r < 0) {
1512 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1513 }
1514 return r;
1515 }
1516
1517 void do_usb_add(Monitor *mon, const QDict *qdict)
1518 {
1519 const char *devname = qdict_get_str(qdict, "devname");
1520 if (usb_device_add(devname) < 0) {
1521 error_report("could not add USB device '%s'", devname);
1522 }
1523 }
1524
1525 void do_usb_del(Monitor *mon, const QDict *qdict)
1526 {
1527 const char *devname = qdict_get_str(qdict, "devname");
1528 if (usb_device_del(devname) < 0) {
1529 error_report("could not delete USB device '%s'", devname);
1530 }
1531 }
1532
1533 /***********************************************************/
1534 /* PCMCIA/Cardbus */
1535
1536 static struct pcmcia_socket_entry_s {
1537 PCMCIASocket *socket;
1538 struct pcmcia_socket_entry_s *next;
1539 } *pcmcia_sockets = 0;
1540
1541 void pcmcia_socket_register(PCMCIASocket *socket)
1542 {
1543 struct pcmcia_socket_entry_s *entry;
1544
1545 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1546 entry->socket = socket;
1547 entry->next = pcmcia_sockets;
1548 pcmcia_sockets = entry;
1549 }
1550
1551 void pcmcia_socket_unregister(PCMCIASocket *socket)
1552 {
1553 struct pcmcia_socket_entry_s *entry, **ptr;
1554
1555 ptr = &pcmcia_sockets;
1556 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1557 if (entry->socket == socket) {
1558 *ptr = entry->next;
1559 g_free(entry);
1560 }
1561 }
1562
1563 void pcmcia_info(Monitor *mon, const QDict *qdict)
1564 {
1565 struct pcmcia_socket_entry_s *iter;
1566
1567 if (!pcmcia_sockets)
1568 monitor_printf(mon, "No PCMCIA sockets\n");
1569
1570 for (iter = pcmcia_sockets; iter; iter = iter->next)
1571 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1572 iter->socket->attached ? iter->socket->card_string :
1573 "Empty");
1574 }
1575
1576 /***********************************************************/
1577 /* machine registration */
1578
1579 MachineState *current_machine;
1580
1581 static void machine_class_init(ObjectClass *oc, void *data)
1582 {
1583 MachineClass *mc = MACHINE_CLASS(oc);
1584
1585 mc->qemu_machine = data;
1586 }
1587
1588 int qemu_register_machine(QEMUMachine *m)
1589 {
1590 TypeInfo ti = {
1591 .name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL),
1592 .parent = TYPE_MACHINE,
1593 .class_init = machine_class_init,
1594 .class_data = (void *)m,
1595 };
1596
1597 type_register(&ti);
1598
1599 return 0;
1600 }
1601
1602 static MachineClass *find_machine(const char *name)
1603 {
1604 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1605 MachineClass *mc = NULL;
1606
1607 for (el = machines; el; el = el->next) {
1608 MachineClass *temp = el->data;
1609
1610 if (!strcmp(temp->qemu_machine->name, name)) {
1611 mc = temp;
1612 break;
1613 }
1614 if (temp->qemu_machine->alias &&
1615 !strcmp(temp->qemu_machine->alias, name)) {
1616 mc = temp;
1617 break;
1618 }
1619 }
1620
1621 g_slist_free(machines);
1622 return mc;
1623 }
1624
1625 MachineClass *find_default_machine(void)
1626 {
1627 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1628 MachineClass *mc = NULL;
1629
1630 for (el = machines; el; el = el->next) {
1631 MachineClass *temp = el->data;
1632
1633 if (temp->qemu_machine->is_default) {
1634 mc = temp;
1635 break;
1636 }
1637 }
1638
1639 g_slist_free(machines);
1640 return mc;
1641 }
1642
1643 MachineInfoList *qmp_query_machines(Error **errp)
1644 {
1645 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1646 MachineInfoList *mach_list = NULL;
1647 QEMUMachine *m;
1648
1649 for (el = machines; el; el = el->next) {
1650 MachineClass *mc = el->data;
1651 MachineInfoList *entry;
1652 MachineInfo *info;
1653
1654 m = mc->qemu_machine;
1655 info = g_malloc0(sizeof(*info));
1656 if (m->is_default) {
1657 info->has_is_default = true;
1658 info->is_default = true;
1659 }
1660
1661 if (m->alias) {
1662 info->has_alias = true;
1663 info->alias = g_strdup(m->alias);
1664 }
1665
1666 info->name = g_strdup(m->name);
1667 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1668
1669 entry = g_malloc0(sizeof(*entry));
1670 entry->value = info;
1671 entry->next = mach_list;
1672 mach_list = entry;
1673 }
1674
1675 g_slist_free(machines);
1676 return mach_list;
1677 }
1678
1679 /***********************************************************/
1680 /* main execution loop */
1681
1682 struct vm_change_state_entry {
1683 VMChangeStateHandler *cb;
1684 void *opaque;
1685 QLIST_ENTRY (vm_change_state_entry) entries;
1686 };
1687
1688 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1689
1690 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1691 void *opaque)
1692 {
1693 VMChangeStateEntry *e;
1694
1695 e = g_malloc0(sizeof (*e));
1696
1697 e->cb = cb;
1698 e->opaque = opaque;
1699 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1700 return e;
1701 }
1702
1703 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1704 {
1705 QLIST_REMOVE (e, entries);
1706 g_free (e);
1707 }
1708
1709 void vm_state_notify(int running, RunState state)
1710 {
1711 VMChangeStateEntry *e;
1712
1713 trace_vm_state_notify(running, state);
1714
1715 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1716 e->cb(e->opaque, running, state);
1717 }
1718 }
1719
1720 void vm_start(void)
1721 {
1722 if (!runstate_is_running()) {
1723 cpu_enable_ticks();
1724 runstate_set(RUN_STATE_RUNNING);
1725 vm_state_notify(1, RUN_STATE_RUNNING);
1726 resume_all_vcpus();
1727 monitor_protocol_event(QEVENT_RESUME, NULL);
1728 }
1729 }
1730
1731 /* reset/shutdown handler */
1732
1733 typedef struct QEMUResetEntry {
1734 QTAILQ_ENTRY(QEMUResetEntry) entry;
1735 QEMUResetHandler *func;
1736 void *opaque;
1737 } QEMUResetEntry;
1738
1739 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1740 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1741 static int reset_requested;
1742 static int shutdown_requested, shutdown_signal = -1;
1743 static pid_t shutdown_pid;
1744 static int powerdown_requested;
1745 static int debug_requested;
1746 static int suspend_requested;
1747 static WakeupReason wakeup_reason;
1748 static NotifierList powerdown_notifiers =
1749 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1750 static NotifierList suspend_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1752 static NotifierList wakeup_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1754 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1755 static RunState vmstop_requested = RUN_STATE_MAX;
1756
1757 int qemu_shutdown_requested_get(void)
1758 {
1759 return shutdown_requested;
1760 }
1761
1762 int qemu_reset_requested_get(void)
1763 {
1764 return reset_requested;
1765 }
1766
1767 static int qemu_shutdown_requested(void)
1768 {
1769 int r = shutdown_requested;
1770 shutdown_requested = 0;
1771 return r;
1772 }
1773
1774 static void qemu_kill_report(void)
1775 {
1776 if (!qtest_driver() && shutdown_signal != -1) {
1777 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1778 if (shutdown_pid == 0) {
1779 /* This happens for eg ^C at the terminal, so it's worth
1780 * avoiding printing an odd message in that case.
1781 */
1782 fputc('\n', stderr);
1783 } else {
1784 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1785 }
1786 shutdown_signal = -1;
1787 }
1788 }
1789
1790 static int qemu_reset_requested(void)
1791 {
1792 int r = reset_requested;
1793 reset_requested = 0;
1794 return r;
1795 }
1796
1797 static int qemu_suspend_requested(void)
1798 {
1799 int r = suspend_requested;
1800 suspend_requested = 0;
1801 return r;
1802 }
1803
1804 static WakeupReason qemu_wakeup_requested(void)
1805 {
1806 return wakeup_reason;
1807 }
1808
1809 static int qemu_powerdown_requested(void)
1810 {
1811 int r = powerdown_requested;
1812 powerdown_requested = 0;
1813 return r;
1814 }
1815
1816 static int qemu_debug_requested(void)
1817 {
1818 int r = debug_requested;
1819 debug_requested = 0;
1820 return r;
1821 }
1822
1823 /* We use RUN_STATE_MAX but any invalid value will do */
1824 static bool qemu_vmstop_requested(RunState *r)
1825 {
1826 if (vmstop_requested < RUN_STATE_MAX) {
1827 *r = vmstop_requested;
1828 vmstop_requested = RUN_STATE_MAX;
1829 return true;
1830 }
1831
1832 return false;
1833 }
1834
1835 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1836 {
1837 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1838
1839 re->func = func;
1840 re->opaque = opaque;
1841 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1842 }
1843
1844 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1845 {
1846 QEMUResetEntry *re;
1847
1848 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1849 if (re->func == func && re->opaque == opaque) {
1850 QTAILQ_REMOVE(&reset_handlers, re, entry);
1851 g_free(re);
1852 return;
1853 }
1854 }
1855 }
1856
1857 void qemu_devices_reset(void)
1858 {
1859 QEMUResetEntry *re, *nre;
1860
1861 /* reset all devices */
1862 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1863 re->func(re->opaque);
1864 }
1865 }
1866
1867 void qemu_system_reset(bool report)
1868 {
1869 MachineClass *mc;
1870
1871 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1872
1873 if (mc && mc->qemu_machine->reset) {
1874 mc->qemu_machine->reset();
1875 } else {
1876 qemu_devices_reset();
1877 }
1878 if (report) {
1879 monitor_protocol_event(QEVENT_RESET, NULL);
1880 }
1881 cpu_synchronize_all_post_reset();
1882 }
1883
1884 void qemu_system_reset_request(void)
1885 {
1886 if (no_reboot) {
1887 shutdown_requested = 1;
1888 } else {
1889 reset_requested = 1;
1890 }
1891 cpu_stop_current();
1892 qemu_notify_event();
1893 }
1894
1895 static void qemu_system_suspend(void)
1896 {
1897 pause_all_vcpus();
1898 notifier_list_notify(&suspend_notifiers, NULL);
1899 runstate_set(RUN_STATE_SUSPENDED);
1900 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1901 }
1902
1903 void qemu_system_suspend_request(void)
1904 {
1905 if (runstate_check(RUN_STATE_SUSPENDED)) {
1906 return;
1907 }
1908 suspend_requested = 1;
1909 cpu_stop_current();
1910 qemu_notify_event();
1911 }
1912
1913 void qemu_register_suspend_notifier(Notifier *notifier)
1914 {
1915 notifier_list_add(&suspend_notifiers, notifier);
1916 }
1917
1918 void qemu_system_wakeup_request(WakeupReason reason)
1919 {
1920 trace_system_wakeup_request(reason);
1921
1922 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1923 return;
1924 }
1925 if (!(wakeup_reason_mask & (1 << reason))) {
1926 return;
1927 }
1928 runstate_set(RUN_STATE_RUNNING);
1929 wakeup_reason = reason;
1930 qemu_notify_event();
1931 }
1932
1933 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1934 {
1935 if (enabled) {
1936 wakeup_reason_mask |= (1 << reason);
1937 } else {
1938 wakeup_reason_mask &= ~(1 << reason);
1939 }
1940 }
1941
1942 void qemu_register_wakeup_notifier(Notifier *notifier)
1943 {
1944 notifier_list_add(&wakeup_notifiers, notifier);
1945 }
1946
1947 void qemu_system_killed(int signal, pid_t pid)
1948 {
1949 shutdown_signal = signal;
1950 shutdown_pid = pid;
1951 no_shutdown = 0;
1952 qemu_system_shutdown_request();
1953 }
1954
1955 void qemu_system_shutdown_request(void)
1956 {
1957 shutdown_requested = 1;
1958 qemu_notify_event();
1959 }
1960
1961 static void qemu_system_powerdown(void)
1962 {
1963 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1964 notifier_list_notify(&powerdown_notifiers, NULL);
1965 }
1966
1967 void qemu_system_powerdown_request(void)
1968 {
1969 powerdown_requested = 1;
1970 qemu_notify_event();
1971 }
1972
1973 void qemu_register_powerdown_notifier(Notifier *notifier)
1974 {
1975 notifier_list_add(&powerdown_notifiers, notifier);
1976 }
1977
1978 void qemu_system_debug_request(void)
1979 {
1980 debug_requested = 1;
1981 qemu_notify_event();
1982 }
1983
1984 void qemu_system_vmstop_request(RunState state)
1985 {
1986 vmstop_requested = state;
1987 qemu_notify_event();
1988 }
1989
1990 static bool main_loop_should_exit(void)
1991 {
1992 RunState r;
1993 if (qemu_debug_requested()) {
1994 vm_stop(RUN_STATE_DEBUG);
1995 }
1996 if (qemu_suspend_requested()) {
1997 qemu_system_suspend();
1998 }
1999 if (qemu_shutdown_requested()) {
2000 qemu_kill_report();
2001 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2002 if (no_shutdown) {
2003 vm_stop(RUN_STATE_SHUTDOWN);
2004 } else {
2005 return true;
2006 }
2007 }
2008 if (qemu_reset_requested()) {
2009 pause_all_vcpus();
2010 cpu_synchronize_all_states();
2011 qemu_system_reset(VMRESET_REPORT);
2012 resume_all_vcpus();
2013 if (runstate_needs_reset()) {
2014 runstate_set(RUN_STATE_PAUSED);
2015 }
2016 }
2017 if (qemu_wakeup_requested()) {
2018 pause_all_vcpus();
2019 cpu_synchronize_all_states();
2020 qemu_system_reset(VMRESET_SILENT);
2021 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2022 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2023 resume_all_vcpus();
2024 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2025 }
2026 if (qemu_powerdown_requested()) {
2027 qemu_system_powerdown();
2028 }
2029 if (qemu_vmstop_requested(&r)) {
2030 vm_stop(r);
2031 }
2032 return false;
2033 }
2034
2035 static void main_loop(void)
2036 {
2037 bool nonblocking;
2038 int last_io = 0;
2039 #ifdef CONFIG_PROFILER
2040 int64_t ti;
2041 #endif
2042 do {
2043 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2044 #ifdef CONFIG_PROFILER
2045 ti = profile_getclock();
2046 #endif
2047 last_io = main_loop_wait(nonblocking);
2048 #ifdef CONFIG_PROFILER
2049 dev_time += profile_getclock() - ti;
2050 #endif
2051 } while (!main_loop_should_exit());
2052 }
2053
2054 static void version(void)
2055 {
2056 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2057 }
2058
2059 static void help(int exitcode)
2060 {
2061 version();
2062 printf("usage: %s [options] [disk_image]\n\n"
2063 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2064 error_get_progname());
2065
2066 #define QEMU_OPTIONS_GENERATE_HELP
2067 #include "qemu-options-wrapper.h"
2068
2069 printf("\nDuring emulation, the following keys are useful:\n"
2070 "ctrl-alt-f toggle full screen\n"
2071 "ctrl-alt-n switch to virtual console 'n'\n"
2072 "ctrl-alt toggle mouse and keyboard grab\n"
2073 "\n"
2074 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2075
2076 exit(exitcode);
2077 }
2078
2079 #define HAS_ARG 0x0001
2080
2081 typedef struct QEMUOption {
2082 const char *name;
2083 int flags;
2084 int index;
2085 uint32_t arch_mask;
2086 } QEMUOption;
2087
2088 static const QEMUOption qemu_options[] = {
2089 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2090 #define QEMU_OPTIONS_GENERATE_OPTIONS
2091 #include "qemu-options-wrapper.h"
2092 { NULL },
2093 };
2094
2095 static bool vga_available(void)
2096 {
2097 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2098 }
2099
2100 static bool cirrus_vga_available(void)
2101 {
2102 return object_class_by_name("cirrus-vga")
2103 || object_class_by_name("isa-cirrus-vga");
2104 }
2105
2106 static bool vmware_vga_available(void)
2107 {
2108 return object_class_by_name("vmware-svga");
2109 }
2110
2111 static bool qxl_vga_available(void)
2112 {
2113 return object_class_by_name("qxl-vga");
2114 }
2115
2116 static bool tcx_vga_available(void)
2117 {
2118 return object_class_by_name("SUNW,tcx");
2119 }
2120
2121 static bool cg3_vga_available(void)
2122 {
2123 return object_class_by_name("cgthree");
2124 }
2125
2126 static void select_vgahw (const char *p)
2127 {
2128 const char *opts;
2129
2130 assert(vga_interface_type == VGA_NONE);
2131 if (strstart(p, "std", &opts)) {
2132 if (vga_available()) {
2133 vga_interface_type = VGA_STD;
2134 } else {
2135 fprintf(stderr, "Error: standard VGA not available\n");
2136 exit(0);
2137 }
2138 } else if (strstart(p, "cirrus", &opts)) {
2139 if (cirrus_vga_available()) {
2140 vga_interface_type = VGA_CIRRUS;
2141 } else {
2142 fprintf(stderr, "Error: Cirrus VGA not available\n");
2143 exit(0);
2144 }
2145 } else if (strstart(p, "vmware", &opts)) {
2146 if (vmware_vga_available()) {
2147 vga_interface_type = VGA_VMWARE;
2148 } else {
2149 fprintf(stderr, "Error: VMWare SVGA not available\n");
2150 exit(0);
2151 }
2152 } else if (strstart(p, "xenfb", &opts)) {
2153 vga_interface_type = VGA_XENFB;
2154 } else if (strstart(p, "qxl", &opts)) {
2155 if (qxl_vga_available()) {
2156 vga_interface_type = VGA_QXL;
2157 } else {
2158 fprintf(stderr, "Error: QXL VGA not available\n");
2159 exit(0);
2160 }
2161 } else if (strstart(p, "tcx", &opts)) {
2162 if (tcx_vga_available()) {
2163 vga_interface_type = VGA_TCX;
2164 } else {
2165 fprintf(stderr, "Error: TCX framebuffer not available\n");
2166 exit(0);
2167 }
2168 } else if (strstart(p, "cg3", &opts)) {
2169 if (cg3_vga_available()) {
2170 vga_interface_type = VGA_CG3;
2171 } else {
2172 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2173 exit(0);
2174 }
2175 } else if (!strstart(p, "none", &opts)) {
2176 invalid_vga:
2177 fprintf(stderr, "Unknown vga type: %s\n", p);
2178 exit(1);
2179 }
2180 while (*opts) {
2181 const char *nextopt;
2182
2183 if (strstart(opts, ",retrace=", &nextopt)) {
2184 opts = nextopt;
2185 if (strstart(opts, "dumb", &nextopt))
2186 vga_retrace_method = VGA_RETRACE_DUMB;
2187 else if (strstart(opts, "precise", &nextopt))
2188 vga_retrace_method = VGA_RETRACE_PRECISE;
2189 else goto invalid_vga;
2190 } else goto invalid_vga;
2191 opts = nextopt;
2192 }
2193 }
2194
2195 static DisplayType select_display(const char *p)
2196 {
2197 const char *opts;
2198 DisplayType display = DT_DEFAULT;
2199
2200 if (strstart(p, "sdl", &opts)) {
2201 #ifdef CONFIG_SDL
2202 display = DT_SDL;
2203 while (*opts) {
2204 const char *nextopt;
2205
2206 if (strstart(opts, ",frame=", &nextopt)) {
2207 opts = nextopt;
2208 if (strstart(opts, "on", &nextopt)) {
2209 no_frame = 0;
2210 } else if (strstart(opts, "off", &nextopt)) {
2211 no_frame = 1;
2212 } else {
2213 goto invalid_sdl_args;
2214 }
2215 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2216 opts = nextopt;
2217 if (strstart(opts, "on", &nextopt)) {
2218 alt_grab = 1;
2219 } else if (strstart(opts, "off", &nextopt)) {
2220 alt_grab = 0;
2221 } else {
2222 goto invalid_sdl_args;
2223 }
2224 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2225 opts = nextopt;
2226 if (strstart(opts, "on", &nextopt)) {
2227 ctrl_grab = 1;
2228 } else if (strstart(opts, "off", &nextopt)) {
2229 ctrl_grab = 0;
2230 } else {
2231 goto invalid_sdl_args;
2232 }
2233 } else if (strstart(opts, ",window_close=", &nextopt)) {
2234 opts = nextopt;
2235 if (strstart(opts, "on", &nextopt)) {
2236 no_quit = 0;
2237 } else if (strstart(opts, "off", &nextopt)) {
2238 no_quit = 1;
2239 } else {
2240 goto invalid_sdl_args;
2241 }
2242 } else {
2243 invalid_sdl_args:
2244 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2245 exit(1);
2246 }
2247 opts = nextopt;
2248 }
2249 #else
2250 fprintf(stderr, "SDL support is disabled\n");
2251 exit(1);
2252 #endif
2253 } else if (strstart(p, "vnc", &opts)) {
2254 #ifdef CONFIG_VNC
2255 display_remote++;
2256
2257 if (*opts) {
2258 const char *nextopt;
2259
2260 if (strstart(opts, "=", &nextopt)) {
2261 vnc_display = nextopt;
2262 }
2263 }
2264 if (!vnc_display) {
2265 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2266 exit(1);
2267 }
2268 #else
2269 fprintf(stderr, "VNC support is disabled\n");
2270 exit(1);
2271 #endif
2272 } else if (strstart(p, "curses", &opts)) {
2273 #ifdef CONFIG_CURSES
2274 display = DT_CURSES;
2275 #else
2276 fprintf(stderr, "Curses support is disabled\n");
2277 exit(1);
2278 #endif
2279 } else if (strstart(p, "gtk", &opts)) {
2280 #ifdef CONFIG_GTK
2281 display = DT_GTK;
2282 while (*opts) {
2283 const char *nextopt;
2284
2285 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2286 opts = nextopt;
2287 if (strstart(opts, "on", &nextopt)) {
2288 grab_on_hover = true;
2289 } else if (strstart(opts, "off", &nextopt)) {
2290 grab_on_hover = false;
2291 } else {
2292 goto invalid_gtk_args;
2293 }
2294 } else {
2295 invalid_gtk_args:
2296 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2297 exit(1);
2298 }
2299 opts = nextopt;
2300 }
2301 #else
2302 fprintf(stderr, "GTK support is disabled\n");
2303 exit(1);
2304 #endif
2305 } else if (strstart(p, "none", &opts)) {
2306 display = DT_NONE;
2307 } else {
2308 fprintf(stderr, "Unknown display type: %s\n", p);
2309 exit(1);
2310 }
2311
2312 return display;
2313 }
2314
2315 static int balloon_parse(const char *arg)
2316 {
2317 QemuOpts *opts;
2318
2319 if (strcmp(arg, "none") == 0) {
2320 return 0;
2321 }
2322
2323 if (!strncmp(arg, "virtio", 6)) {
2324 if (arg[6] == ',') {
2325 /* have params -> parse them */
2326 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2327 if (!opts)
2328 return -1;
2329 } else {
2330 /* create empty opts */
2331 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2332 &error_abort);
2333 }
2334 qemu_opt_set(opts, "driver", "virtio-balloon");
2335 return 0;
2336 }
2337
2338 return -1;
2339 }
2340
2341 char *qemu_find_file(int type, const char *name)
2342 {
2343 int i;
2344 const char *subdir;
2345 char *buf;
2346
2347 /* Try the name as a straight path first */
2348 if (access(name, R_OK) == 0) {
2349 trace_load_file(name, name);
2350 return g_strdup(name);
2351 }
2352
2353 switch (type) {
2354 case QEMU_FILE_TYPE_BIOS:
2355 subdir = "";
2356 break;
2357 case QEMU_FILE_TYPE_KEYMAP:
2358 subdir = "keymaps/";
2359 break;
2360 default:
2361 abort();
2362 }
2363
2364 for (i = 0; i < data_dir_idx; i++) {
2365 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2366 if (access(buf, R_OK) == 0) {
2367 trace_load_file(name, buf);
2368 return buf;
2369 }
2370 g_free(buf);
2371 }
2372 return NULL;
2373 }
2374
2375 static int device_help_func(QemuOpts *opts, void *opaque)
2376 {
2377 return qdev_device_help(opts);
2378 }
2379
2380 static int device_init_func(QemuOpts *opts, void *opaque)
2381 {
2382 DeviceState *dev;
2383
2384 dev = qdev_device_add(opts);
2385 if (!dev)
2386 return -1;
2387 object_unref(OBJECT(dev));
2388 return 0;
2389 }
2390
2391 static int chardev_init_func(QemuOpts *opts, void *opaque)
2392 {
2393 Error *local_err = NULL;
2394
2395 qemu_chr_new_from_opts(opts, NULL, &local_err);
2396 if (local_err) {
2397 error_report("%s", error_get_pretty(local_err));
2398 error_free(local_err);
2399 return -1;
2400 }
2401 return 0;
2402 }
2403
2404 #ifdef CONFIG_VIRTFS
2405 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2406 {
2407 int ret;
2408 ret = qemu_fsdev_add(opts);
2409
2410 return ret;
2411 }
2412 #endif
2413
2414 static int mon_init_func(QemuOpts *opts, void *opaque)
2415 {
2416 CharDriverState *chr;
2417 const char *chardev;
2418 const char *mode;
2419 int flags;
2420
2421 mode = qemu_opt_get(opts, "mode");
2422 if (mode == NULL) {
2423 mode = "readline";
2424 }
2425 if (strcmp(mode, "readline") == 0) {
2426 flags = MONITOR_USE_READLINE;
2427 } else if (strcmp(mode, "control") == 0) {
2428 flags = MONITOR_USE_CONTROL;
2429 } else {
2430 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2431 exit(1);
2432 }
2433
2434 if (qemu_opt_get_bool(opts, "pretty", 0))
2435 flags |= MONITOR_USE_PRETTY;
2436
2437 if (qemu_opt_get_bool(opts, "default", 0))
2438 flags |= MONITOR_IS_DEFAULT;
2439
2440 chardev = qemu_opt_get(opts, "chardev");
2441 chr = qemu_chr_find(chardev);
2442 if (chr == NULL) {
2443 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2444 exit(1);
2445 }
2446
2447 qemu_chr_fe_claim_no_fail(chr);
2448 monitor_init(chr, flags);
2449 return 0;
2450 }
2451
2452 static void monitor_parse(const char *optarg, const char *mode)
2453 {
2454 static int monitor_device_index = 0;
2455 QemuOpts *opts;
2456 const char *p;
2457 char label[32];
2458 int def = 0;
2459
2460 if (strstart(optarg, "chardev:", &p)) {
2461 snprintf(label, sizeof(label), "%s", p);
2462 } else {
2463 snprintf(label, sizeof(label), "compat_monitor%d",
2464 monitor_device_index);
2465 if (monitor_device_index == 0) {
2466 def = 1;
2467 }
2468 opts = qemu_chr_parse_compat(label, optarg);
2469 if (!opts) {
2470 fprintf(stderr, "parse error: %s\n", optarg);
2471 exit(1);
2472 }
2473 }
2474
2475 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2476 if (!opts) {
2477 fprintf(stderr, "duplicate chardev: %s\n", label);
2478 exit(1);
2479 }
2480 qemu_opt_set(opts, "mode", mode);
2481 qemu_opt_set(opts, "chardev", label);
2482 if (def)
2483 qemu_opt_set(opts, "default", "on");
2484 monitor_device_index++;
2485 }
2486
2487 struct device_config {
2488 enum {
2489 DEV_USB, /* -usbdevice */
2490 DEV_BT, /* -bt */
2491 DEV_SERIAL, /* -serial */
2492 DEV_PARALLEL, /* -parallel */
2493 DEV_VIRTCON, /* -virtioconsole */
2494 DEV_DEBUGCON, /* -debugcon */
2495 DEV_GDB, /* -gdb, -s */
2496 DEV_SCLP, /* s390 sclp */
2497 } type;
2498 const char *cmdline;
2499 Location loc;
2500 QTAILQ_ENTRY(device_config) next;
2501 };
2502
2503 static QTAILQ_HEAD(, device_config) device_configs =
2504 QTAILQ_HEAD_INITIALIZER(device_configs);
2505
2506 static void add_device_config(int type, const char *cmdline)
2507 {
2508 struct device_config *conf;
2509
2510 conf = g_malloc0(sizeof(*conf));
2511 conf->type = type;
2512 conf->cmdline = cmdline;
2513 loc_save(&conf->loc);
2514 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2515 }
2516
2517 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2518 {
2519 struct device_config *conf;
2520 int rc;
2521
2522 QTAILQ_FOREACH(conf, &device_configs, next) {
2523 if (conf->type != type)
2524 continue;
2525 loc_push_restore(&conf->loc);
2526 rc = func(conf->cmdline);
2527 loc_pop(&conf->loc);
2528 if (0 != rc)
2529 return rc;
2530 }
2531 return 0;
2532 }
2533
2534 static int serial_parse(const char *devname)
2535 {
2536 static int index = 0;
2537 char label[32];
2538
2539 if (strcmp(devname, "none") == 0)
2540 return 0;
2541 if (index == MAX_SERIAL_PORTS) {
2542 fprintf(stderr, "qemu: too many serial ports\n");
2543 exit(1);
2544 }
2545 snprintf(label, sizeof(label), "serial%d", index);
2546 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2547 if (!serial_hds[index]) {
2548 fprintf(stderr, "qemu: could not connect serial device"
2549 " to character backend '%s'\n", devname);
2550 return -1;
2551 }
2552 index++;
2553 return 0;
2554 }
2555
2556 static int parallel_parse(const char *devname)
2557 {
2558 static int index = 0;
2559 char label[32];
2560
2561 if (strcmp(devname, "none") == 0)
2562 return 0;
2563 if (index == MAX_PARALLEL_PORTS) {
2564 fprintf(stderr, "qemu: too many parallel ports\n");
2565 exit(1);
2566 }
2567 snprintf(label, sizeof(label), "parallel%d", index);
2568 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2569 if (!parallel_hds[index]) {
2570 fprintf(stderr, "qemu: could not connect parallel device"
2571 " to character backend '%s'\n", devname);
2572 return -1;
2573 }
2574 index++;
2575 return 0;
2576 }
2577
2578 static int virtcon_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *bus_opts, *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0)
2586 return 0;
2587 if (index == MAX_VIRTIO_CONSOLES) {
2588 fprintf(stderr, "qemu: too many virtio consoles\n");
2589 exit(1);
2590 }
2591
2592 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2593 if (arch_type == QEMU_ARCH_S390X) {
2594 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2595 } else {
2596 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2597 }
2598
2599 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2600 qemu_opt_set(dev_opts, "driver", "virtconsole");
2601
2602 snprintf(label, sizeof(label), "virtcon%d", index);
2603 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2604 if (!virtcon_hds[index]) {
2605 fprintf(stderr, "qemu: could not connect virtio console"
2606 " to character backend '%s'\n", devname);
2607 return -1;
2608 }
2609 qemu_opt_set(dev_opts, "chardev", label);
2610
2611 index++;
2612 return 0;
2613 }
2614
2615 static int sclp_parse(const char *devname)
2616 {
2617 QemuOptsList *device = qemu_find_opts("device");
2618 static int index = 0;
2619 char label[32];
2620 QemuOpts *dev_opts;
2621
2622 if (strcmp(devname, "none") == 0) {
2623 return 0;
2624 }
2625 if (index == MAX_SCLP_CONSOLES) {
2626 fprintf(stderr, "qemu: too many sclp consoles\n");
2627 exit(1);
2628 }
2629
2630 assert(arch_type == QEMU_ARCH_S390X);
2631
2632 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2633 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2634
2635 snprintf(label, sizeof(label), "sclpcon%d", index);
2636 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2637 if (!sclp_hds[index]) {
2638 fprintf(stderr, "qemu: could not connect sclp console"
2639 " to character backend '%s'\n", devname);
2640 return -1;
2641 }
2642 qemu_opt_set(dev_opts, "chardev", label);
2643
2644 index++;
2645 return 0;
2646 }
2647
2648 static int debugcon_parse(const char *devname)
2649 {
2650 QemuOpts *opts;
2651
2652 if (!qemu_chr_new("debugcon", devname, NULL)) {
2653 exit(1);
2654 }
2655 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2656 if (!opts) {
2657 fprintf(stderr, "qemu: already have a debugcon device\n");
2658 exit(1);
2659 }
2660 qemu_opt_set(opts, "driver", "isa-debugcon");
2661 qemu_opt_set(opts, "chardev", "debugcon");
2662 return 0;
2663 }
2664
2665 static MachineClass *machine_parse(const char *name)
2666 {
2667 MachineClass *mc = NULL;
2668 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2669
2670 if (name) {
2671 mc = find_machine(name);
2672 }
2673 if (mc) {
2674 return mc;
2675 }
2676 if (name && !is_help_option(name)) {
2677 error_report("Unsupported machine type");
2678 error_printf("Use -machine help to list supported machines!\n");
2679 } else {
2680 printf("Supported machines are:\n");
2681 for (el = machines; el; el = el->next) {
2682 MachineClass *mc = el->data;
2683 QEMUMachine *m = mc->qemu_machine;
2684 if (m->alias) {
2685 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2686 }
2687 printf("%-20s %s%s\n", m->name, m->desc,
2688 m->is_default ? " (default)" : "");
2689 }
2690 }
2691
2692 g_slist_free(machines);
2693 exit(!name || !is_help_option(name));
2694 }
2695
2696 static int tcg_init(QEMUMachine *machine)
2697 {
2698 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2699 return 0;
2700 }
2701
2702 static struct {
2703 const char *opt_name;
2704 const char *name;
2705 int (*available)(void);
2706 int (*init)(QEMUMachine *);
2707 bool *allowed;
2708 } accel_list[] = {
2709 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2710 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2711 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2712 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2713 };
2714
2715 static int configure_accelerator(QEMUMachine *machine)
2716 {
2717 const char *p;
2718 char buf[10];
2719 int i, ret;
2720 bool accel_initialised = false;
2721 bool init_failed = false;
2722
2723 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2724 if (p == NULL) {
2725 /* Use the default "accelerator", tcg */
2726 p = "tcg";
2727 }
2728
2729 while (!accel_initialised && *p != '\0') {
2730 if (*p == ':') {
2731 p++;
2732 }
2733 p = get_opt_name(buf, sizeof (buf), p, ':');
2734 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2735 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2736 if (!accel_list[i].available()) {
2737 printf("%s not supported for this target\n",
2738 accel_list[i].name);
2739 continue;
2740 }
2741 *(accel_list[i].allowed) = true;
2742 ret = accel_list[i].init(machine);
2743 if (ret < 0) {
2744 init_failed = true;
2745 fprintf(stderr, "failed to initialize %s: %s\n",
2746 accel_list[i].name,
2747 strerror(-ret));
2748 *(accel_list[i].allowed) = false;
2749 } else {
2750 accel_initialised = true;
2751 }
2752 break;
2753 }
2754 }
2755 if (i == ARRAY_SIZE(accel_list)) {
2756 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2757 }
2758 }
2759
2760 if (!accel_initialised) {
2761 if (!init_failed) {
2762 fprintf(stderr, "No accelerator found!\n");
2763 }
2764 exit(1);
2765 }
2766
2767 if (init_failed) {
2768 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2769 }
2770
2771 return !accel_initialised;
2772 }
2773
2774 void qemu_add_exit_notifier(Notifier *notify)
2775 {
2776 notifier_list_add(&exit_notifiers, notify);
2777 }
2778
2779 void qemu_remove_exit_notifier(Notifier *notify)
2780 {
2781 notifier_remove(notify);
2782 }
2783
2784 static void qemu_run_exit_notifiers(void)
2785 {
2786 notifier_list_notify(&exit_notifiers, NULL);
2787 }
2788
2789 void qemu_add_machine_init_done_notifier(Notifier *notify)
2790 {
2791 notifier_list_add(&machine_init_done_notifiers, notify);
2792 }
2793
2794 static void qemu_run_machine_init_done_notifiers(void)
2795 {
2796 notifier_list_notify(&machine_init_done_notifiers, NULL);
2797 }
2798
2799 static const QEMUOption *lookup_opt(int argc, char **argv,
2800 const char **poptarg, int *poptind)
2801 {
2802 const QEMUOption *popt;
2803 int optind = *poptind;
2804 char *r = argv[optind];
2805 const char *optarg;
2806
2807 loc_set_cmdline(argv, optind, 1);
2808 optind++;
2809 /* Treat --foo the same as -foo. */
2810 if (r[1] == '-')
2811 r++;
2812 popt = qemu_options;
2813 for(;;) {
2814 if (!popt->name) {
2815 error_report("invalid option");
2816 exit(1);
2817 }
2818 if (!strcmp(popt->name, r + 1))
2819 break;
2820 popt++;
2821 }
2822 if (popt->flags & HAS_ARG) {
2823 if (optind >= argc) {
2824 error_report("requires an argument");
2825 exit(1);
2826 }
2827 optarg = argv[optind++];
2828 loc_set_cmdline(argv, optind - 2, 2);
2829 } else {
2830 optarg = NULL;
2831 }
2832
2833 *poptarg = optarg;
2834 *poptind = optind;
2835
2836 return popt;
2837 }
2838
2839 static gpointer malloc_and_trace(gsize n_bytes)
2840 {
2841 void *ptr = malloc(n_bytes);
2842 trace_g_malloc(n_bytes, ptr);
2843 return ptr;
2844 }
2845
2846 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2847 {
2848 void *ptr = realloc(mem, n_bytes);
2849 trace_g_realloc(mem, n_bytes, ptr);
2850 return ptr;
2851 }
2852
2853 static void free_and_trace(gpointer mem)
2854 {
2855 trace_g_free(mem);
2856 free(mem);
2857 }
2858
2859 static int object_set_property(const char *name, const char *value, void *opaque)
2860 {
2861 Object *obj = OBJECT(opaque);
2862 StringInputVisitor *siv;
2863 Error *local_err = NULL;
2864
2865 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2866 return 0;
2867 }
2868
2869 siv = string_input_visitor_new(value);
2870 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2871 string_input_visitor_cleanup(siv);
2872
2873 if (local_err) {
2874 qerror_report_err(local_err);
2875 error_free(local_err);
2876 return -1;
2877 }
2878
2879 return 0;
2880 }
2881
2882 static int object_create(QemuOpts *opts, void *opaque)
2883 {
2884 const char *type = qemu_opt_get(opts, "qom-type");
2885 const char *id = qemu_opts_id(opts);
2886 Error *local_err = NULL;
2887 Object *obj;
2888
2889 g_assert(type != NULL);
2890
2891 if (id == NULL) {
2892 qerror_report(QERR_MISSING_PARAMETER, "id");
2893 return -1;
2894 }
2895
2896 obj = object_new(type);
2897 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2898 object_unref(obj);
2899 return -1;
2900 }
2901
2902 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2903 error_setg(&local_err, "object '%s' isn't supported by -object",
2904 id);
2905 goto out;
2906 }
2907
2908 user_creatable_complete(obj, &local_err);
2909 if (local_err) {
2910 goto out;
2911 }
2912
2913 object_property_add_child(container_get(object_get_root(), "/objects"),
2914 id, obj, &local_err);
2915
2916 out:
2917 object_unref(obj);
2918 if (local_err) {
2919 qerror_report_err(local_err);
2920 error_free(local_err);
2921 return -1;
2922 }
2923 return 0;
2924 }
2925
2926 int main(int argc, char **argv, char **envp)
2927 {
2928 int i;
2929 int snapshot, linux_boot;
2930 const char *icount_option = NULL;
2931 const char *initrd_filename;
2932 const char *kernel_filename, *kernel_cmdline;
2933 const char *boot_order;
2934 DisplayState *ds;
2935 int cyls, heads, secs, translation;
2936 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2937 QemuOptsList *olist;
2938 int optind;
2939 const char *optarg;
2940 const char *loadvm = NULL;
2941 MachineClass *machine_class;
2942 QEMUMachine *machine;
2943 const char *cpu_model;
2944 const char *vga_model = NULL;
2945 const char *qtest_chrdev = NULL;
2946 const char *qtest_log = NULL;
2947 const char *pid_file = NULL;
2948 const char *incoming = NULL;
2949 #ifdef CONFIG_VNC
2950 int show_vnc_port = 0;
2951 #endif
2952 bool defconfig = true;
2953 bool userconfig = true;
2954 const char *log_mask = NULL;
2955 const char *log_file = NULL;
2956 GMemVTable mem_trace = {
2957 .malloc = malloc_and_trace,
2958 .realloc = realloc_and_trace,
2959 .free = free_and_trace,
2960 };
2961 const char *trace_events = NULL;
2962 const char *trace_file = NULL;
2963
2964 atexit(qemu_run_exit_notifiers);
2965 error_set_progname(argv[0]);
2966 qemu_init_exec_dir(argv[0]);
2967
2968 g_mem_set_vtable(&mem_trace);
2969 if (!g_thread_supported()) {
2970 #if !GLIB_CHECK_VERSION(2, 31, 0)
2971 g_thread_init(NULL);
2972 #else
2973 fprintf(stderr, "glib threading failed to initialize.\n");
2974 exit(1);
2975 #endif
2976 }
2977
2978 module_call_init(MODULE_INIT_QOM);
2979
2980 qemu_add_opts(&qemu_drive_opts);
2981 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2982 qemu_add_drive_opts(&qemu_common_drive_opts);
2983 qemu_add_drive_opts(&qemu_drive_opts);
2984 qemu_add_opts(&qemu_chardev_opts);
2985 qemu_add_opts(&qemu_device_opts);
2986 qemu_add_opts(&qemu_netdev_opts);
2987 qemu_add_opts(&qemu_net_opts);
2988 qemu_add_opts(&qemu_rtc_opts);
2989 qemu_add_opts(&qemu_global_opts);
2990 qemu_add_opts(&qemu_mon_opts);
2991 qemu_add_opts(&qemu_trace_opts);
2992 qemu_add_opts(&qemu_option_rom_opts);
2993 qemu_add_opts(&qemu_machine_opts);
2994 qemu_add_opts(&qemu_smp_opts);
2995 qemu_add_opts(&qemu_boot_opts);
2996 qemu_add_opts(&qemu_sandbox_opts);
2997 qemu_add_opts(&qemu_add_fd_opts);
2998 qemu_add_opts(&qemu_object_opts);
2999 qemu_add_opts(&qemu_tpmdev_opts);
3000 qemu_add_opts(&qemu_realtime_opts);
3001 qemu_add_opts(&qemu_msg_opts);
3002 qemu_add_opts(&qemu_name_opts);
3003
3004 runstate_init();
3005
3006 init_clocks();
3007 rtc_clock = QEMU_CLOCK_HOST;
3008
3009 qemu_init_auxval(envp);
3010 qemu_cache_utils_init();
3011
3012 QLIST_INIT (&vm_change_state_head);
3013 os_setup_early_signal_handling();
3014
3015 module_call_init(MODULE_INIT_MACHINE);
3016 machine_class = find_default_machine();
3017 cpu_model = NULL;
3018 ram_size = 0;
3019 snapshot = 0;
3020 cyls = heads = secs = 0;
3021 translation = BIOS_ATA_TRANSLATION_AUTO;
3022
3023 for (i = 0; i < MAX_NODES; i++) {
3024 node_mem[i] = 0;
3025 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3026 }
3027
3028 nb_numa_nodes = 0;
3029 nb_nics = 0;
3030
3031 bdrv_init_with_whitelist();
3032
3033 autostart = 1;
3034
3035 /* first pass of option parsing */
3036 optind = 1;
3037 while (optind < argc) {
3038 if (argv[optind][0] != '-') {
3039 /* disk image */
3040 optind++;
3041 continue;
3042 } else {
3043 const QEMUOption *popt;
3044
3045 popt = lookup_opt(argc, argv, &optarg, &optind);
3046 switch (popt->index) {
3047 case QEMU_OPTION_nodefconfig:
3048 defconfig = false;
3049 break;
3050 case QEMU_OPTION_nouserconfig:
3051 userconfig = false;
3052 break;
3053 }
3054 }
3055 }
3056
3057 if (defconfig) {
3058 int ret;
3059 ret = qemu_read_default_config_files(userconfig);
3060 if (ret < 0) {
3061 exit(1);
3062 }
3063 }
3064
3065 /* second pass of option parsing */
3066 optind = 1;
3067 for(;;) {
3068 if (optind >= argc)
3069 break;
3070 if (argv[optind][0] != '-') {
3071 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3072 } else {
3073 const QEMUOption *popt;
3074
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 if (!(popt->arch_mask & arch_type)) {
3077 printf("Option %s not supported for this target\n", popt->name);
3078 exit(1);
3079 }
3080 switch(popt->index) {
3081 case QEMU_OPTION_M:
3082 machine_class = machine_parse(optarg);
3083 break;
3084 case QEMU_OPTION_no_kvm_irqchip: {
3085 olist = qemu_find_opts("machine");
3086 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3087 break;
3088 }
3089 case QEMU_OPTION_cpu:
3090 /* hw initialization will check this */
3091 cpu_model = optarg;
3092 break;
3093 case QEMU_OPTION_hda:
3094 {
3095 char buf[256];
3096 if (cyls == 0)
3097 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3098 else
3099 snprintf(buf, sizeof(buf),
3100 "%s,cyls=%d,heads=%d,secs=%d%s",
3101 HD_OPTS , cyls, heads, secs,
3102 translation == BIOS_ATA_TRANSLATION_LBA ?
3103 ",trans=lba" :
3104 translation == BIOS_ATA_TRANSLATION_NONE ?
3105 ",trans=none" : "");
3106 drive_add(IF_DEFAULT, 0, optarg, buf);
3107 break;
3108 }
3109 case QEMU_OPTION_hdb:
3110 case QEMU_OPTION_hdc:
3111 case QEMU_OPTION_hdd:
3112 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3113 HD_OPTS);
3114 break;
3115 case QEMU_OPTION_drive:
3116 if (drive_def(optarg) == NULL) {
3117 exit(1);
3118 }
3119 break;
3120 case QEMU_OPTION_set:
3121 if (qemu_set_option(optarg) != 0)
3122 exit(1);
3123 break;
3124 case QEMU_OPTION_global:
3125 if (qemu_global_option(optarg) != 0)
3126 exit(1);
3127 break;
3128 case QEMU_OPTION_mtdblock:
3129 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3130 break;
3131 case QEMU_OPTION_sd:
3132 drive_add(IF_SD, -1, optarg, SD_OPTS);
3133 break;
3134 case QEMU_OPTION_pflash:
3135 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3136 break;
3137 case QEMU_OPTION_snapshot:
3138 snapshot = 1;
3139 break;
3140 case QEMU_OPTION_hdachs:
3141 {
3142 const char *p;
3143 p = optarg;
3144 cyls = strtol(p, (char **)&p, 0);
3145 if (cyls < 1 || cyls > 16383)
3146 goto chs_fail;
3147 if (*p != ',')
3148 goto chs_fail;
3149 p++;
3150 heads = strtol(p, (char **)&p, 0);
3151 if (heads < 1 || heads > 16)
3152 goto chs_fail;
3153 if (*p != ',')
3154 goto chs_fail;
3155 p++;
3156 secs = strtol(p, (char **)&p, 0);
3157 if (secs < 1 || secs > 63)
3158 goto chs_fail;
3159 if (*p == ',') {
3160 p++;
3161 if (!strcmp(p, "large")) {
3162 translation = BIOS_ATA_TRANSLATION_LARGE;
3163 } else if (!strcmp(p, "rechs")) {
3164 translation = BIOS_ATA_TRANSLATION_RECHS;
3165 } else if (!strcmp(p, "none")) {
3166 translation = BIOS_ATA_TRANSLATION_NONE;
3167 } else if (!strcmp(p, "lba")) {
3168 translation = BIOS_ATA_TRANSLATION_LBA;
3169 } else if (!strcmp(p, "auto")) {
3170 translation = BIOS_ATA_TRANSLATION_AUTO;
3171 } else {
3172 goto chs_fail;
3173 }
3174 } else if (*p != '\0') {
3175 chs_fail:
3176 fprintf(stderr, "qemu: invalid physical CHS format\n");
3177 exit(1);
3178 }
3179 if (hda_opts != NULL) {
3180 char num[16];
3181 snprintf(num, sizeof(num), "%d", cyls);
3182 qemu_opt_set(hda_opts, "cyls", num);
3183 snprintf(num, sizeof(num), "%d", heads);
3184 qemu_opt_set(hda_opts, "heads", num);
3185 snprintf(num, sizeof(num), "%d", secs);
3186 qemu_opt_set(hda_opts, "secs", num);
3187 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3188 qemu_opt_set(hda_opts, "trans", "large");
3189 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3190 qemu_opt_set(hda_opts, "trans", "rechs");
3191 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3192 qemu_opt_set(hda_opts, "trans", "lba");
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none");
3195 }
3196 }
3197 }
3198 break;
3199 case QEMU_OPTION_numa:
3200 numa_add(optarg);
3201 break;
3202 case QEMU_OPTION_display:
3203 display_type = select_display(optarg);
3204 break;
3205 case QEMU_OPTION_nographic:
3206 display_type = DT_NOGRAPHIC;
3207 break;
3208 case QEMU_OPTION_curses:
3209 #ifdef CONFIG_CURSES
3210 display_type = DT_CURSES;
3211 #else
3212 fprintf(stderr, "Curses support is disabled\n");
3213 exit(1);
3214 #endif
3215 break;
3216 case QEMU_OPTION_portrait:
3217 graphic_rotate = 90;
3218 break;
3219 case QEMU_OPTION_rotate:
3220 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3221 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3222 graphic_rotate != 180 && graphic_rotate != 270) {
3223 fprintf(stderr,
3224 "qemu: only 90, 180, 270 deg rotation is available\n");
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_kernel:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3230 break;
3231 case QEMU_OPTION_initrd:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3233 break;
3234 case QEMU_OPTION_append:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3236 break;
3237 case QEMU_OPTION_dtb:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3239 break;
3240 case QEMU_OPTION_cdrom:
3241 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3242 break;
3243 case QEMU_OPTION_boot:
3244 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3245 if (!opts) {
3246 exit(1);
3247 }
3248 break;
3249 case QEMU_OPTION_fda:
3250 case QEMU_OPTION_fdb:
3251 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3252 optarg, FD_OPTS);
3253 break;
3254 case QEMU_OPTION_no_fd_bootchk:
3255 fd_bootchk = 0;
3256 break;
3257 case QEMU_OPTION_netdev:
3258 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3259 exit(1);
3260 }
3261 break;
3262 case QEMU_OPTION_net:
3263 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3264 exit(1);
3265 }
3266 break;
3267 #ifdef CONFIG_LIBISCSI
3268 case QEMU_OPTION_iscsi:
3269 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3270 if (!opts) {
3271 exit(1);
3272 }
3273 break;
3274 #endif
3275 #ifdef CONFIG_SLIRP
3276 case QEMU_OPTION_tftp:
3277 legacy_tftp_prefix = optarg;
3278 break;
3279 case QEMU_OPTION_bootp:
3280 legacy_bootp_filename = optarg;
3281 break;
3282 case QEMU_OPTION_redir:
3283 if (net_slirp_redir(optarg) < 0)
3284 exit(1);
3285 break;
3286 #endif
3287 case QEMU_OPTION_bt:
3288 add_device_config(DEV_BT, optarg);
3289 break;
3290 case QEMU_OPTION_audio_help:
3291 AUD_help ();
3292 exit (0);
3293 break;
3294 case QEMU_OPTION_soundhw:
3295 select_soundhw (optarg);
3296 break;
3297 case QEMU_OPTION_h:
3298 help(0);
3299 break;
3300 case QEMU_OPTION_version:
3301 version();
3302 exit(0);
3303 break;
3304 case QEMU_OPTION_m: {
3305 int64_t value;
3306 uint64_t sz;
3307 char *end;
3308
3309 value = strtosz(optarg, &end);
3310 if (value < 0 || *end) {
3311 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3312 exit(1);
3313 }
3314 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3315 ram_size = sz;
3316 if (ram_size != sz) {
3317 fprintf(stderr, "qemu: ram size too large\n");
3318 exit(1);
3319 }
3320 break;
3321 }
3322 #ifdef CONFIG_TPM
3323 case QEMU_OPTION_tpmdev:
3324 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3325 exit(1);
3326 }
3327 break;
3328 #endif
3329 case QEMU_OPTION_mempath:
3330 mem_path = optarg;
3331 break;
3332 case QEMU_OPTION_mem_prealloc:
3333 mem_prealloc = 1;
3334 break;
3335 case QEMU_OPTION_d:
3336 log_mask = optarg;
3337 break;
3338 case QEMU_OPTION_D:
3339 log_file = optarg;
3340 break;
3341 case QEMU_OPTION_s:
3342 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3343 break;
3344 case QEMU_OPTION_gdb:
3345 add_device_config(DEV_GDB, optarg);
3346 break;
3347 case QEMU_OPTION_L:
3348 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3349 data_dir[data_dir_idx++] = optarg;
3350 }
3351 break;
3352 case QEMU_OPTION_bios:
3353 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3354 break;
3355 case QEMU_OPTION_singlestep:
3356 singlestep = 1;
3357 break;
3358 case QEMU_OPTION_S:
3359 autostart = 0;
3360 break;
3361 case QEMU_OPTION_k:
3362 keyboard_layout = optarg;
3363 break;
3364 case QEMU_OPTION_localtime:
3365 rtc_utc = 0;
3366 break;
3367 case QEMU_OPTION_vga:
3368 vga_model = optarg;
3369 default_vga = 0;
3370 break;
3371 case QEMU_OPTION_g:
3372 {
3373 const char *p;
3374 int w, h, depth;
3375 p = optarg;
3376 w = strtol(p, (char **)&p, 10);
3377 if (w <= 0) {
3378 graphic_error:
3379 fprintf(stderr, "qemu: invalid resolution or depth\n");
3380 exit(1);
3381 }
3382 if (*p != 'x')
3383 goto graphic_error;
3384 p++;
3385 h = strtol(p, (char **)&p, 10);
3386 if (h <= 0)
3387 goto graphic_error;
3388 if (*p == 'x') {
3389 p++;
3390 depth = strtol(p, (char **)&p, 10);
3391 if (depth != 8 && depth != 15 && depth != 16 &&
3392 depth != 24 && depth != 32)
3393 goto graphic_error;
3394 } else if (*p == '\0') {
3395 depth = graphic_depth;
3396 } else {
3397 goto graphic_error;
3398 }
3399
3400 graphic_width = w;
3401 graphic_height = h;
3402 graphic_depth = depth;
3403 }
3404 break;
3405 case QEMU_OPTION_echr:
3406 {
3407 char *r;
3408 term_escape_char = strtol(optarg, &r, 0);
3409 if (r == optarg)
3410 printf("Bad argument to echr\n");
3411 break;
3412 }
3413 case QEMU_OPTION_monitor:
3414 default_monitor = 0;
3415 if (strncmp(optarg, "none", 4)) {
3416 monitor_parse(optarg, "readline");
3417 }
3418 break;
3419 case QEMU_OPTION_qmp:
3420 monitor_parse(optarg, "control");
3421 default_monitor = 0;
3422 break;
3423 case QEMU_OPTION_mon:
3424 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3425 if (!opts) {
3426 exit(1);
3427 }
3428 default_monitor = 0;
3429 break;
3430 case QEMU_OPTION_chardev:
3431 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3432 if (!opts) {
3433 exit(1);
3434 }
3435 break;
3436 case QEMU_OPTION_fsdev:
3437 olist = qemu_find_opts("fsdev");
3438 if (!olist) {
3439 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3440 exit(1);
3441 }
3442 opts = qemu_opts_parse(olist, optarg, 1);
3443 if (!opts) {
3444 exit(1);
3445 }
3446 break;
3447 case QEMU_OPTION_virtfs: {
3448 QemuOpts *fsdev;
3449 QemuOpts *device;
3450 const char *writeout, *sock_fd, *socket;
3451
3452 olist = qemu_find_opts("virtfs");
3453 if (!olist) {
3454 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3455 exit(1);
3456 }
3457 opts = qemu_opts_parse(olist, optarg, 1);
3458 if (!opts) {
3459 exit(1);
3460 }
3461
3462 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3463 qemu_opt_get(opts, "mount_tag") == NULL) {
3464 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3465 exit(1);
3466 }
3467 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3468 qemu_opt_get(opts, "mount_tag"),
3469 1, NULL);
3470 if (!fsdev) {
3471 fprintf(stderr, "duplicate fsdev id: %s\n",
3472 qemu_opt_get(opts, "mount_tag"));
3473 exit(1);
3474 }
3475
3476 writeout = qemu_opt_get(opts, "writeout");
3477 if (writeout) {
3478 #ifdef CONFIG_SYNC_FILE_RANGE
3479 qemu_opt_set(fsdev, "writeout", writeout);
3480 #else
3481 fprintf(stderr, "writeout=immediate not supported on "
3482 "this platform\n");
3483 exit(1);
3484 #endif
3485 }
3486 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3487 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"<