vl.c: Use MAX_CPUMASK_BITS macro instead of hardcoded constant
[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 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
147 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
148 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
149 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
150 int win2k_install_hack = 0;
151 int singlestep = 0;
152 int smp_cpus = 1;
153 int max_cpus = 0;
154 int smp_cores = 1;
155 int smp_threads = 1;
156 #ifdef CONFIG_VNC
157 const char *vnc_display;
158 #endif
159 int acpi_enabled = 1;
160 int no_hpet = 0;
161 int fd_bootchk = 1;
162 static int no_reboot;
163 int no_shutdown = 0;
164 int cursor_hide = 1;
165 int graphic_rotate = 0;
166 const char *watchdog;
167 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
168 int nb_option_roms;
169 int semihosting_enabled = 0;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 static bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 typedef struct FWBootEntry FWBootEntry;
183
184 struct FWBootEntry {
185 QTAILQ_ENTRY(FWBootEntry) link;
186 int32_t bootindex;
187 DeviceState *dev;
188 char *suffix;
189 };
190
191 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
192 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
193
194 int nb_numa_nodes;
195 uint64_t node_mem[MAX_NODES];
196 unsigned long *node_cpumask[MAX_NODES];
197
198 uint8_t qemu_uuid[16];
199 bool qemu_uuid_set;
200
201 static QEMUBootSetHandler *boot_set_handler;
202 static void *boot_set_opaque;
203
204 static NotifierList exit_notifiers =
205 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
206
207 static NotifierList machine_init_done_notifiers =
208 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
209
210 static bool tcg_allowed = true;
211 bool xen_allowed;
212 uint32_t xen_domid;
213 enum xen_mode xen_mode = XEN_EMULATE;
214 static int tcg_tb_size;
215
216 static int default_serial = 1;
217 static int default_parallel = 1;
218 static int default_virtcon = 1;
219 static int default_sclp = 1;
220 static int default_monitor = 1;
221 static int default_floppy = 1;
222 static int default_cdrom = 1;
223 static int default_sdcard = 1;
224 static int default_vga = 1;
225
226 static struct {
227 const char *driver;
228 int *flag;
229 } default_list[] = {
230 { .driver = "isa-serial", .flag = &default_serial },
231 { .driver = "isa-parallel", .flag = &default_parallel },
232 { .driver = "isa-fdc", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
238 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 };
247
248 static QemuOptsList qemu_rtc_opts = {
249 .name = "rtc",
250 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
251 .desc = {
252 {
253 .name = "base",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "clock",
257 .type = QEMU_OPT_STRING,
258 },{
259 .name = "driftfix",
260 .type = QEMU_OPT_STRING,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_sandbox_opts = {
267 .name = "sandbox",
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
270 .desc = {
271 {
272 .name = "enable",
273 .type = QEMU_OPT_BOOL,
274 },
275 { /* end of list */ }
276 },
277 };
278
279 static QemuOptsList qemu_trace_opts = {
280 .name = "trace",
281 .implied_opt_name = "trace",
282 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
283 .desc = {
284 {
285 .name = "events",
286 .type = QEMU_OPT_STRING,
287 },{
288 .name = "file",
289 .type = QEMU_OPT_STRING,
290 },
291 { /* end of list */ }
292 },
293 };
294
295 static QemuOptsList qemu_option_rom_opts = {
296 .name = "option-rom",
297 .implied_opt_name = "romfile",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
299 .desc = {
300 {
301 .name = "bootindex",
302 .type = QEMU_OPT_NUMBER,
303 }, {
304 .name = "romfile",
305 .type = QEMU_OPT_STRING,
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_machine_opts = {
312 .name = "machine",
313 .implied_opt_name = "type",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
316 .desc = {
317 {
318 .name = "type",
319 .type = QEMU_OPT_STRING,
320 .help = "emulated machine"
321 }, {
322 .name = "accel",
323 .type = QEMU_OPT_STRING,
324 .help = "accelerator list",
325 }, {
326 .name = "kernel_irqchip",
327 .type = QEMU_OPT_BOOL,
328 .help = "use KVM in-kernel irqchip",
329 }, {
330 .name = "kvm_shadow_mem",
331 .type = QEMU_OPT_SIZE,
332 .help = "KVM shadow MMU size",
333 }, {
334 .name = "kernel",
335 .type = QEMU_OPT_STRING,
336 .help = "Linux kernel image file",
337 }, {
338 .name = "initrd",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux initial ramdisk file",
341 }, {
342 .name = "append",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux kernel command line",
345 }, {
346 .name = "dtb",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel device tree file",
349 }, {
350 .name = "dumpdtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Dump current dtb to a file and quit",
353 }, {
354 .name = "phandle_start",
355 .type = QEMU_OPT_NUMBER,
356 .help = "The first phandle ID we may generate dynamically",
357 }, {
358 .name = "dt_compatible",
359 .type = QEMU_OPT_STRING,
360 .help = "Overrides the \"compatible\" property of the dt root node",
361 }, {
362 .name = "dump-guest-core",
363 .type = QEMU_OPT_BOOL,
364 .help = "Include guest memory in a core dump",
365 }, {
366 .name = "mem-merge",
367 .type = QEMU_OPT_BOOL,
368 .help = "enable/disable memory merge support",
369 },{
370 .name = "usb",
371 .type = QEMU_OPT_BOOL,
372 .help = "Set on/off to enable/disable usb",
373 },{
374 .name = "firmware",
375 .type = QEMU_OPT_STRING,
376 .help = "firmware image",
377 },{
378 .name = "kvm-type",
379 .type = QEMU_OPT_STRING,
380 .help = "Specifies the KVM virtualization mode (HV, PR)",
381 },
382 { /* End of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_boot_opts = {
387 .name = "boot-opts",
388 .implied_opt_name = "order",
389 .merge_lists = true,
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
391 .desc = {
392 {
393 .name = "order",
394 .type = QEMU_OPT_STRING,
395 }, {
396 .name = "once",
397 .type = QEMU_OPT_STRING,
398 }, {
399 .name = "menu",
400 .type = QEMU_OPT_BOOL,
401 }, {
402 .name = "splash",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "splash-time",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "reboot-timeout",
409 .type = QEMU_OPT_STRING,
410 }, {
411 .name = "strict",
412 .type = QEMU_OPT_BOOL,
413 },
414 { /*End of list */ }
415 },
416 };
417
418 static QemuOptsList qemu_add_fd_opts = {
419 .name = "add-fd",
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
421 .desc = {
422 {
423 .name = "fd",
424 .type = QEMU_OPT_NUMBER,
425 .help = "file descriptor of which a duplicate is added to fd set",
426 },{
427 .name = "set",
428 .type = QEMU_OPT_NUMBER,
429 .help = "ID of the fd set to add fd to",
430 },{
431 .name = "opaque",
432 .type = QEMU_OPT_STRING,
433 .help = "free-form string used to describe fd",
434 },
435 { /* end of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_object_opts = {
440 .name = "object",
441 .implied_opt_name = "qom-type",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
443 .desc = {
444 { }
445 },
446 };
447
448 static QemuOptsList qemu_tpmdev_opts = {
449 .name = "tpmdev",
450 .implied_opt_name = "type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
452 .desc = {
453 /* options are defined in the TPM backends */
454 { /* end of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_realtime_opts = {
459 .name = "realtime",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
461 .desc = {
462 {
463 .name = "mlock",
464 .type = QEMU_OPT_BOOL,
465 },
466 { /* end of list */ }
467 },
468 };
469
470 static QemuOptsList qemu_msg_opts = {
471 .name = "msg",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
473 .desc = {
474 {
475 .name = "timestamp",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_name_opts = {
483 .name = "name",
484 .implied_opt_name = "guest",
485 .merge_lists = true,
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
487 .desc = {
488 {
489 .name = "guest",
490 .type = QEMU_OPT_STRING,
491 .help = "Sets the name of the guest.\n"
492 "This name will be displayed in the SDL window caption.\n"
493 "The name will also be used for the VNC server",
494 }, {
495 .name = "process",
496 .type = QEMU_OPT_STRING,
497 .help = "Sets the name of the QEMU process, as shown in top etc",
498 }, {
499 .name = "debug-threads",
500 .type = QEMU_OPT_BOOL,
501 .help = "When enabled, name the individual threads; defaults off.\n"
502 "NOTE: The thread names are for debugging and not a\n"
503 "stable API.",
504 },
505 { /* End of list */ }
506 },
507 };
508
509 /**
510 * Get machine options
511 *
512 * Returns: machine options (never null).
513 */
514 QemuOpts *qemu_get_machine_opts(void)
515 {
516 QemuOptsList *list;
517 QemuOpts *opts;
518
519 list = qemu_find_opts("machine");
520 assert(list);
521 opts = qemu_opts_find(list, NULL);
522 if (!opts) {
523 opts = qemu_opts_create(list, NULL, 0, &error_abort);
524 }
525 return opts;
526 }
527
528 const char *qemu_get_vm_name(void)
529 {
530 return qemu_name;
531 }
532
533 static void res_free(void)
534 {
535 if (boot_splash_filedata != NULL) {
536 g_free(boot_splash_filedata);
537 boot_splash_filedata = NULL;
538 }
539 }
540
541 static int default_driver_check(QemuOpts *opts, void *opaque)
542 {
543 const char *driver = qemu_opt_get(opts, "driver");
544 int i;
545
546 if (!driver)
547 return 0;
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
550 continue;
551 *(default_list[i].flag) = 0;
552 }
553 return 0;
554 }
555
556 /***********************************************************/
557 /* QEMU state */
558
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
560
561 typedef struct {
562 RunState from;
563 RunState to;
564 } RunStateTransition;
565
566 static const RunStateTransition runstate_transitions_def[] = {
567 /* from -> to */
568 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
569 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
570
571 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
572 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
573
574 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
575 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
578 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
581 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
584 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
585
586 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
587 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
588 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
589
590 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
591 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
592
593 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
594
595 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
596 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
597 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
598 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
599 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
601 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
602 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
603 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
604 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
605
606 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
607
608 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
609 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
610
611 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
612 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
613 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
614 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
615
616 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
617 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
618
619 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
620 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
621
622 { RUN_STATE_MAX, RUN_STATE_MAX },
623 };
624
625 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
626
627 bool runstate_check(RunState state)
628 {
629 return current_run_state == state;
630 }
631
632 static void runstate_init(void)
633 {
634 const RunStateTransition *p;
635
636 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
637
638 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
639 runstate_valid_transitions[p->from][p->to] = true;
640 }
641 }
642
643 /* This function will abort() on invalid state transitions */
644 void runstate_set(RunState new_state)
645 {
646 assert(new_state < RUN_STATE_MAX);
647
648 if (!runstate_valid_transitions[current_run_state][new_state]) {
649 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
650 RunState_lookup[current_run_state],
651 RunState_lookup[new_state]);
652 abort();
653 }
654 trace_runstate_set(new_state);
655 current_run_state = new_state;
656 }
657
658 int runstate_is_running(void)
659 {
660 return runstate_check(RUN_STATE_RUNNING);
661 }
662
663 bool runstate_needs_reset(void)
664 {
665 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
666 runstate_check(RUN_STATE_SHUTDOWN);
667 }
668
669 StatusInfo *qmp_query_status(Error **errp)
670 {
671 StatusInfo *info = g_malloc0(sizeof(*info));
672
673 info->running = runstate_is_running();
674 info->singlestep = singlestep;
675 info->status = current_run_state;
676
677 return info;
678 }
679
680 /***********************************************************/
681 /* real time host monotonic timer */
682
683 /***********************************************************/
684 /* host time/date access */
685 void qemu_get_timedate(struct tm *tm, int offset)
686 {
687 time_t ti;
688
689 time(&ti);
690 ti += offset;
691 if (rtc_date_offset == -1) {
692 if (rtc_utc)
693 gmtime_r(&ti, tm);
694 else
695 localtime_r(&ti, tm);
696 } else {
697 ti -= rtc_date_offset;
698 gmtime_r(&ti, tm);
699 }
700 }
701
702 int qemu_timedate_diff(struct tm *tm)
703 {
704 time_t seconds;
705
706 if (rtc_date_offset == -1)
707 if (rtc_utc)
708 seconds = mktimegm(tm);
709 else {
710 struct tm tmp = *tm;
711 tmp.tm_isdst = -1; /* use timezone to figure it out */
712 seconds = mktime(&tmp);
713 }
714 else
715 seconds = mktimegm(tm) + rtc_date_offset;
716
717 return seconds - time(NULL);
718 }
719
720 void rtc_change_mon_event(struct tm *tm)
721 {
722 QObject *data;
723
724 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
725 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
726 qobject_decref(data);
727 }
728
729 static void configure_rtc_date_offset(const char *startdate, int legacy)
730 {
731 time_t rtc_start_date;
732 struct tm tm;
733
734 if (!strcmp(startdate, "now") && legacy) {
735 rtc_date_offset = -1;
736 } else {
737 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
738 &tm.tm_year,
739 &tm.tm_mon,
740 &tm.tm_mday,
741 &tm.tm_hour,
742 &tm.tm_min,
743 &tm.tm_sec) == 6) {
744 /* OK */
745 } else if (sscanf(startdate, "%d-%d-%d",
746 &tm.tm_year,
747 &tm.tm_mon,
748 &tm.tm_mday) == 3) {
749 tm.tm_hour = 0;
750 tm.tm_min = 0;
751 tm.tm_sec = 0;
752 } else {
753 goto date_fail;
754 }
755 tm.tm_year -= 1900;
756 tm.tm_mon--;
757 rtc_start_date = mktimegm(&tm);
758 if (rtc_start_date == -1) {
759 date_fail:
760 fprintf(stderr, "Invalid date format. Valid formats are:\n"
761 "'2006-06-17T16:01:21' or '2006-06-17'\n");
762 exit(1);
763 }
764 rtc_date_offset = time(NULL) - rtc_start_date;
765 }
766 }
767
768 static void configure_rtc(QemuOpts *opts)
769 {
770 const char *value;
771
772 value = qemu_opt_get(opts, "base");
773 if (value) {
774 if (!strcmp(value, "utc")) {
775 rtc_utc = 1;
776 } else if (!strcmp(value, "localtime")) {
777 rtc_utc = 0;
778 } else {
779 configure_rtc_date_offset(value, 0);
780 }
781 }
782 value = qemu_opt_get(opts, "clock");
783 if (value) {
784 if (!strcmp(value, "host")) {
785 rtc_clock = QEMU_CLOCK_HOST;
786 } else if (!strcmp(value, "rt")) {
787 rtc_clock = QEMU_CLOCK_REALTIME;
788 } else if (!strcmp(value, "vm")) {
789 rtc_clock = QEMU_CLOCK_VIRTUAL;
790 } else {
791 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
792 exit(1);
793 }
794 }
795 value = qemu_opt_get(opts, "driftfix");
796 if (value) {
797 if (!strcmp(value, "slew")) {
798 static GlobalProperty slew_lost_ticks[] = {
799 {
800 .driver = "mc146818rtc",
801 .property = "lost_tick_policy",
802 .value = "slew",
803 },
804 { /* end of list */ }
805 };
806
807 qdev_prop_register_global_list(slew_lost_ticks);
808 } else if (!strcmp(value, "none")) {
809 /* discard is default */
810 } else {
811 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
812 exit(1);
813 }
814 }
815 }
816
817 /***********************************************************/
818 /* Bluetooth support */
819 static int nb_hcis;
820 static int cur_hci;
821 static struct HCIInfo *hci_table[MAX_NICS];
822
823 struct HCIInfo *qemu_next_hci(void)
824 {
825 if (cur_hci == nb_hcis)
826 return &null_hci;
827
828 return hci_table[cur_hci++];
829 }
830
831 static int bt_hci_parse(const char *str)
832 {
833 struct HCIInfo *hci;
834 bdaddr_t bdaddr;
835
836 if (nb_hcis >= MAX_NICS) {
837 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
838 return -1;
839 }
840
841 hci = hci_init(str);
842 if (!hci)
843 return -1;
844
845 bdaddr.b[0] = 0x52;
846 bdaddr.b[1] = 0x54;
847 bdaddr.b[2] = 0x00;
848 bdaddr.b[3] = 0x12;
849 bdaddr.b[4] = 0x34;
850 bdaddr.b[5] = 0x56 + nb_hcis;
851 hci->bdaddr_set(hci, bdaddr.b);
852
853 hci_table[nb_hcis++] = hci;
854
855 return 0;
856 }
857
858 static void bt_vhci_add(int vlan_id)
859 {
860 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
861
862 if (!vlan->slave)
863 fprintf(stderr, "qemu: warning: adding a VHCI to "
864 "an empty scatternet %i\n", vlan_id);
865
866 bt_vhci_init(bt_new_hci(vlan));
867 }
868
869 static struct bt_device_s *bt_device_add(const char *opt)
870 {
871 struct bt_scatternet_s *vlan;
872 int vlan_id = 0;
873 char *endp = strstr(opt, ",vlan=");
874 int len = (endp ? endp - opt : strlen(opt)) + 1;
875 char devname[10];
876
877 pstrcpy(devname, MIN(sizeof(devname), len), opt);
878
879 if (endp) {
880 vlan_id = strtol(endp + 6, &endp, 0);
881 if (*endp) {
882 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
883 return 0;
884 }
885 }
886
887 vlan = qemu_find_bt_vlan(vlan_id);
888
889 if (!vlan->slave)
890 fprintf(stderr, "qemu: warning: adding a slave device to "
891 "an empty scatternet %i\n", vlan_id);
892
893 if (!strcmp(devname, "keyboard"))
894 return bt_keyboard_init(vlan);
895
896 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
897 return 0;
898 }
899
900 static int bt_parse(const char *opt)
901 {
902 const char *endp, *p;
903 int vlan;
904
905 if (strstart(opt, "hci", &endp)) {
906 if (!*endp || *endp == ',') {
907 if (*endp)
908 if (!strstart(endp, ",vlan=", 0))
909 opt = endp + 1;
910
911 return bt_hci_parse(opt);
912 }
913 } else if (strstart(opt, "vhci", &endp)) {
914 if (!*endp || *endp == ',') {
915 if (*endp) {
916 if (strstart(endp, ",vlan=", &p)) {
917 vlan = strtol(p, (char **) &endp, 0);
918 if (*endp) {
919 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
920 return 1;
921 }
922 } else {
923 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
924 return 1;
925 }
926 } else
927 vlan = 0;
928
929 bt_vhci_add(vlan);
930 return 0;
931 }
932 } else if (strstart(opt, "device:", &endp))
933 return !bt_device_add(endp);
934
935 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
936 return 1;
937 }
938
939 static int parse_sandbox(QemuOpts *opts, void *opaque)
940 {
941 /* FIXME: change this to true for 1.3 */
942 if (qemu_opt_get_bool(opts, "enable", false)) {
943 #ifdef CONFIG_SECCOMP
944 if (seccomp_start() < 0) {
945 qerror_report(ERROR_CLASS_GENERIC_ERROR,
946 "failed to install seccomp syscall filter in the kernel");
947 return -1;
948 }
949 #else
950 qerror_report(ERROR_CLASS_GENERIC_ERROR,
951 "sandboxing request but seccomp is not compiled into this build");
952 return -1;
953 #endif
954 }
955
956 return 0;
957 }
958
959 static void parse_name(QemuOpts *opts)
960 {
961 const char *proc_name;
962
963 if (qemu_opt_get(opts, "debug-threads")) {
964 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
965 }
966 qemu_name = qemu_opt_get(opts, "guest");
967
968 proc_name = qemu_opt_get(opts, "process");
969 if (proc_name) {
970 os_set_proc_name(proc_name);
971 }
972 }
973
974 bool usb_enabled(bool default_usb)
975 {
976 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
977 }
978
979 #ifndef _WIN32
980 static int parse_add_fd(QemuOpts *opts, void *opaque)
981 {
982 int fd, dupfd, flags;
983 int64_t fdset_id;
984 const char *fd_opaque = NULL;
985
986 fd = qemu_opt_get_number(opts, "fd", -1);
987 fdset_id = qemu_opt_get_number(opts, "set", -1);
988 fd_opaque = qemu_opt_get(opts, "opaque");
989
990 if (fd < 0) {
991 qerror_report(ERROR_CLASS_GENERIC_ERROR,
992 "fd option is required and must be non-negative");
993 return -1;
994 }
995
996 if (fd <= STDERR_FILENO) {
997 qerror_report(ERROR_CLASS_GENERIC_ERROR,
998 "fd cannot be a standard I/O stream");
999 return -1;
1000 }
1001
1002 /*
1003 * All fds inherited across exec() necessarily have FD_CLOEXEC
1004 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1005 */
1006 flags = fcntl(fd, F_GETFD);
1007 if (flags == -1 || (flags & FD_CLOEXEC)) {
1008 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1009 "fd is not valid or already in use");
1010 return -1;
1011 }
1012
1013 if (fdset_id < 0) {
1014 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1015 "set option is required and must be non-negative");
1016 return -1;
1017 }
1018
1019 #ifdef F_DUPFD_CLOEXEC
1020 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1021 #else
1022 dupfd = dup(fd);
1023 if (dupfd != -1) {
1024 qemu_set_cloexec(dupfd);
1025 }
1026 #endif
1027 if (dupfd == -1) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "Error duplicating fd: %s", strerror(errno));
1030 return -1;
1031 }
1032
1033 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1034 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1035 fd_opaque, NULL);
1036
1037 return 0;
1038 }
1039
1040 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1041 {
1042 int fd;
1043
1044 fd = qemu_opt_get_number(opts, "fd", -1);
1045 close(fd);
1046
1047 return 0;
1048 }
1049 #endif
1050
1051 /***********************************************************/
1052 /* QEMU Block devices */
1053
1054 #define HD_OPTS "media=disk"
1055 #define CDROM_OPTS "media=cdrom"
1056 #define FD_OPTS ""
1057 #define PFLASH_OPTS ""
1058 #define MTD_OPTS ""
1059 #define SD_OPTS ""
1060
1061 static int drive_init_func(QemuOpts *opts, void *opaque)
1062 {
1063 BlockInterfaceType *block_default_type = opaque;
1064
1065 return drive_init(opts, *block_default_type) == NULL;
1066 }
1067
1068 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1069 {
1070 if (NULL == qemu_opt_get(opts, "snapshot")) {
1071 qemu_opt_set(opts, "snapshot", "on");
1072 }
1073 return 0;
1074 }
1075
1076 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1077 int index, const char *optstr)
1078 {
1079 QemuOpts *opts;
1080
1081 if (!enable || drive_get_by_index(type, index)) {
1082 return;
1083 }
1084
1085 opts = drive_add(type, index, NULL, optstr);
1086 if (snapshot) {
1087 drive_enable_snapshot(opts, NULL);
1088 }
1089 if (!drive_init(opts, type)) {
1090 exit(1);
1091 }
1092 }
1093
1094 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1095 {
1096 boot_set_handler = func;
1097 boot_set_opaque = opaque;
1098 }
1099
1100 int qemu_boot_set(const char *boot_order)
1101 {
1102 if (!boot_set_handler) {
1103 return -EINVAL;
1104 }
1105 return boot_set_handler(boot_set_opaque, boot_order);
1106 }
1107
1108 static void validate_bootdevices(const char *devices)
1109 {
1110 /* We just do some generic consistency checks */
1111 const char *p;
1112 int bitmap = 0;
1113
1114 for (p = devices; *p != '\0'; p++) {
1115 /* Allowed boot devices are:
1116 * a-b: floppy disk drives
1117 * c-f: IDE disk drives
1118 * g-m: machine implementation dependent drives
1119 * n-p: network devices
1120 * It's up to each machine implementation to check if the given boot
1121 * devices match the actual hardware implementation and firmware
1122 * features.
1123 */
1124 if (*p < 'a' || *p > 'p') {
1125 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1126 exit(1);
1127 }
1128 if (bitmap & (1 << (*p - 'a'))) {
1129 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1130 exit(1);
1131 }
1132 bitmap |= 1 << (*p - 'a');
1133 }
1134 }
1135
1136 static void restore_boot_order(void *opaque)
1137 {
1138 char *normal_boot_order = opaque;
1139 static int first = 1;
1140
1141 /* Restore boot order and remove ourselves after the first boot */
1142 if (first) {
1143 first = 0;
1144 return;
1145 }
1146
1147 qemu_boot_set(normal_boot_order);
1148
1149 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1150 g_free(normal_boot_order);
1151 }
1152
1153 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1154 const char *suffix)
1155 {
1156 FWBootEntry *node, *i;
1157
1158 if (bootindex < 0) {
1159 return;
1160 }
1161
1162 assert(dev != NULL || suffix != NULL);
1163
1164 node = g_malloc0(sizeof(FWBootEntry));
1165 node->bootindex = bootindex;
1166 node->suffix = g_strdup(suffix);
1167 node->dev = dev;
1168
1169 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1170 if (i->bootindex == bootindex) {
1171 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1172 exit(1);
1173 } else if (i->bootindex < bootindex) {
1174 continue;
1175 }
1176 QTAILQ_INSERT_BEFORE(i, node, link);
1177 return;
1178 }
1179 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1180 }
1181
1182 DeviceState *get_boot_device(uint32_t position)
1183 {
1184 uint32_t counter = 0;
1185 FWBootEntry *i = NULL;
1186 DeviceState *res = NULL;
1187
1188 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1189 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1190 if (counter == position) {
1191 res = i->dev;
1192 break;
1193 }
1194 counter++;
1195 }
1196 }
1197 return res;
1198 }
1199
1200 /*
1201 * This function returns null terminated string that consist of new line
1202 * separated device paths.
1203 *
1204 * memory pointed by "size" is assigned total length of the array in bytes
1205 *
1206 */
1207 char *get_boot_devices_list(size_t *size)
1208 {
1209 FWBootEntry *i;
1210 size_t total = 0;
1211 char *list = NULL;
1212
1213 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1214 char *devpath = NULL, *bootpath;
1215 size_t len;
1216
1217 if (i->dev) {
1218 devpath = qdev_get_fw_dev_path(i->dev);
1219 assert(devpath);
1220 }
1221
1222 if (i->suffix && devpath) {
1223 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1224
1225 bootpath = g_malloc(bootpathlen);
1226 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1227 g_free(devpath);
1228 } else if (devpath) {
1229 bootpath = devpath;
1230 } else {
1231 assert(i->suffix);
1232 bootpath = g_strdup(i->suffix);
1233 }
1234
1235 if (total) {
1236 list[total-1] = '\n';
1237 }
1238 len = strlen(bootpath) + 1;
1239 list = g_realloc(list, total + len);
1240 memcpy(&list[total], bootpath, len);
1241 total += len;
1242 g_free(bootpath);
1243 }
1244
1245 *size = total;
1246
1247 if (boot_strict && *size > 0) {
1248 list[total-1] = '\n';
1249 list = g_realloc(list, total + 5);
1250 memcpy(&list[total], "HALT", 5);
1251 *size = total + 5;
1252 }
1253 return list;
1254 }
1255
1256 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1257 {
1258 char *endptr;
1259 unsigned long long value, endvalue;
1260
1261 /* Empty CPU range strings will be considered valid, they will simply
1262 * not set any bit in the CPU bitmap.
1263 */
1264 if (!*cpus) {
1265 return;
1266 }
1267
1268 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1269 goto error;
1270 }
1271 if (*endptr == '-') {
1272 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1273 goto error;
1274 }
1275 } else if (*endptr == '\0') {
1276 endvalue = value;
1277 } else {
1278 goto error;
1279 }
1280
1281 if (endvalue >= MAX_CPUMASK_BITS) {
1282 endvalue = MAX_CPUMASK_BITS - 1;
1283 fprintf(stderr,
1284 "qemu: NUMA: A max of %d VCPUs are supported\n",
1285 MAX_CPUMASK_BITS);
1286 }
1287
1288 if (endvalue < value) {
1289 goto error;
1290 }
1291
1292 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1293 return;
1294
1295 error:
1296 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1297 exit(1);
1298 }
1299
1300 static void numa_add(const char *optarg)
1301 {
1302 char option[128];
1303 char *endptr;
1304 unsigned long long nodenr;
1305
1306 optarg = get_opt_name(option, 128, optarg, ',');
1307 if (*optarg == ',') {
1308 optarg++;
1309 }
1310 if (!strcmp(option, "node")) {
1311
1312 if (nb_numa_nodes >= MAX_NODES) {
1313 fprintf(stderr, "qemu: too many NUMA nodes\n");
1314 exit(1);
1315 }
1316
1317 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1318 nodenr = nb_numa_nodes;
1319 } else {
1320 if (parse_uint_full(option, &nodenr, 10) < 0) {
1321 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1322 exit(1);
1323 }
1324 }
1325
1326 if (nodenr >= MAX_NODES) {
1327 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1328 exit(1);
1329 }
1330
1331 if (get_param_value(option, 128, "mem", optarg) == 0) {
1332 node_mem[nodenr] = 0;
1333 } else {
1334 int64_t sval;
1335 sval = strtosz(option, &endptr);
1336 if (sval < 0 || *endptr) {
1337 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1338 exit(1);
1339 }
1340 node_mem[nodenr] = sval;
1341 }
1342 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1343 numa_node_parse_cpus(nodenr, option);
1344 }
1345 nb_numa_nodes++;
1346 } else {
1347 fprintf(stderr, "Invalid -numa option: %s\n", option);
1348 exit(1);
1349 }
1350 }
1351
1352 static QemuOptsList qemu_smp_opts = {
1353 .name = "smp-opts",
1354 .implied_opt_name = "cpus",
1355 .merge_lists = true,
1356 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1357 .desc = {
1358 {
1359 .name = "cpus",
1360 .type = QEMU_OPT_NUMBER,
1361 }, {
1362 .name = "sockets",
1363 .type = QEMU_OPT_NUMBER,
1364 }, {
1365 .name = "cores",
1366 .type = QEMU_OPT_NUMBER,
1367 }, {
1368 .name = "threads",
1369 .type = QEMU_OPT_NUMBER,
1370 }, {
1371 .name = "maxcpus",
1372 .type = QEMU_OPT_NUMBER,
1373 },
1374 { /*End of list */ }
1375 },
1376 };
1377
1378 static void smp_parse(QemuOpts *opts)
1379 {
1380 if (opts) {
1381
1382 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1383 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1384 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1385 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1386
1387 /* compute missing values, prefer sockets over cores over threads */
1388 if (cpus == 0 || sockets == 0) {
1389 sockets = sockets > 0 ? sockets : 1;
1390 cores = cores > 0 ? cores : 1;
1391 threads = threads > 0 ? threads : 1;
1392 if (cpus == 0) {
1393 cpus = cores * threads * sockets;
1394 }
1395 } else {
1396 if (cores == 0) {
1397 threads = threads > 0 ? threads : 1;
1398 cores = cpus / (sockets * threads);
1399 } else {
1400 threads = cpus / (cores * sockets);
1401 }
1402 }
1403
1404 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1405
1406 smp_cpus = cpus;
1407 smp_cores = cores > 0 ? cores : 1;
1408 smp_threads = threads > 0 ? threads : 1;
1409
1410 }
1411
1412 if (max_cpus == 0) {
1413 max_cpus = smp_cpus;
1414 }
1415
1416 if (max_cpus > MAX_CPUMASK_BITS) {
1417 fprintf(stderr, "Unsupported number of maxcpus\n");
1418 exit(1);
1419 }
1420 if (max_cpus < smp_cpus) {
1421 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1422 exit(1);
1423 }
1424
1425 }
1426
1427 static void configure_realtime(QemuOpts *opts)
1428 {
1429 bool enable_mlock;
1430
1431 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1432
1433 if (enable_mlock) {
1434 if (os_mlock() < 0) {
1435 fprintf(stderr, "qemu: locking memory failed\n");
1436 exit(1);
1437 }
1438 }
1439 }
1440
1441
1442 static void configure_msg(QemuOpts *opts)
1443 {
1444 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1445 }
1446
1447 /***********************************************************/
1448 /* USB devices */
1449
1450 static int usb_device_add(const char *devname)
1451 {
1452 USBDevice *dev = NULL;
1453 #ifndef CONFIG_LINUX
1454 const char *p;
1455 #endif
1456
1457 if (!usb_enabled(false)) {
1458 return -1;
1459 }
1460
1461 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1462 dev = usbdevice_create(devname);
1463 if (dev)
1464 goto done;
1465
1466 /* the other ones */
1467 #ifndef CONFIG_LINUX
1468 /* only the linux version is qdev-ified, usb-bsd still needs this */
1469 if (strstart(devname, "host:", &p)) {
1470 dev = usb_host_device_open(usb_bus_find(-1), p);
1471 }
1472 #endif
1473 if (!dev)
1474 return -1;
1475
1476 done:
1477 return 0;
1478 }
1479
1480 static int usb_device_del(const char *devname)
1481 {
1482 int bus_num, addr;
1483 const char *p;
1484
1485 if (strstart(devname, "host:", &p)) {
1486 return -1;
1487 }
1488
1489 if (!usb_enabled(false)) {
1490 return -1;
1491 }
1492
1493 p = strchr(devname, '.');
1494 if (!p)
1495 return -1;
1496 bus_num = strtoul(devname, NULL, 0);
1497 addr = strtoul(p + 1, NULL, 0);
1498
1499 return usb_device_delete_addr(bus_num, addr);
1500 }
1501
1502 static int usb_parse(const char *cmdline)
1503 {
1504 int r;
1505 r = usb_device_add(cmdline);
1506 if (r < 0) {
1507 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1508 }
1509 return r;
1510 }
1511
1512 void do_usb_add(Monitor *mon, const QDict *qdict)
1513 {
1514 const char *devname = qdict_get_str(qdict, "devname");
1515 if (usb_device_add(devname) < 0) {
1516 error_report("could not add USB device '%s'", devname);
1517 }
1518 }
1519
1520 void do_usb_del(Monitor *mon, const QDict *qdict)
1521 {
1522 const char *devname = qdict_get_str(qdict, "devname");
1523 if (usb_device_del(devname) < 0) {
1524 error_report("could not delete USB device '%s'", devname);
1525 }
1526 }
1527
1528 /***********************************************************/
1529 /* PCMCIA/Cardbus */
1530
1531 static struct pcmcia_socket_entry_s {
1532 PCMCIASocket *socket;
1533 struct pcmcia_socket_entry_s *next;
1534 } *pcmcia_sockets = 0;
1535
1536 void pcmcia_socket_register(PCMCIASocket *socket)
1537 {
1538 struct pcmcia_socket_entry_s *entry;
1539
1540 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1541 entry->socket = socket;
1542 entry->next = pcmcia_sockets;
1543 pcmcia_sockets = entry;
1544 }
1545
1546 void pcmcia_socket_unregister(PCMCIASocket *socket)
1547 {
1548 struct pcmcia_socket_entry_s *entry, **ptr;
1549
1550 ptr = &pcmcia_sockets;
1551 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1552 if (entry->socket == socket) {
1553 *ptr = entry->next;
1554 g_free(entry);
1555 }
1556 }
1557
1558 void pcmcia_info(Monitor *mon, const QDict *qdict)
1559 {
1560 struct pcmcia_socket_entry_s *iter;
1561
1562 if (!pcmcia_sockets)
1563 monitor_printf(mon, "No PCMCIA sockets\n");
1564
1565 for (iter = pcmcia_sockets; iter; iter = iter->next)
1566 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1567 iter->socket->attached ? iter->socket->card_string :
1568 "Empty");
1569 }
1570
1571 /***********************************************************/
1572 /* machine registration */
1573
1574 static QEMUMachine *first_machine = NULL;
1575 QEMUMachine *current_machine = NULL;
1576
1577 int qemu_register_machine(QEMUMachine *m)
1578 {
1579 QEMUMachine **pm;
1580 pm = &first_machine;
1581 while (*pm != NULL)
1582 pm = &(*pm)->next;
1583 m->next = NULL;
1584 *pm = m;
1585 return 0;
1586 }
1587
1588 static QEMUMachine *find_machine(const char *name)
1589 {
1590 QEMUMachine *m;
1591
1592 for(m = first_machine; m != NULL; m = m->next) {
1593 if (!strcmp(m->name, name))
1594 return m;
1595 if (m->alias && !strcmp(m->alias, name))
1596 return m;
1597 }
1598 return NULL;
1599 }
1600
1601 QEMUMachine *find_default_machine(void)
1602 {
1603 QEMUMachine *m;
1604
1605 for(m = first_machine; m != NULL; m = m->next) {
1606 if (m->is_default) {
1607 return m;
1608 }
1609 }
1610 return NULL;
1611 }
1612
1613 MachineInfoList *qmp_query_machines(Error **errp)
1614 {
1615 MachineInfoList *mach_list = NULL;
1616 QEMUMachine *m;
1617
1618 for (m = first_machine; m; m = m->next) {
1619 MachineInfoList *entry;
1620 MachineInfo *info;
1621
1622 info = g_malloc0(sizeof(*info));
1623 if (m->is_default) {
1624 info->has_is_default = true;
1625 info->is_default = true;
1626 }
1627
1628 if (m->alias) {
1629 info->has_alias = true;
1630 info->alias = g_strdup(m->alias);
1631 }
1632
1633 info->name = g_strdup(m->name);
1634 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1635
1636 entry = g_malloc0(sizeof(*entry));
1637 entry->value = info;
1638 entry->next = mach_list;
1639 mach_list = entry;
1640 }
1641
1642 return mach_list;
1643 }
1644
1645 /***********************************************************/
1646 /* main execution loop */
1647
1648 struct vm_change_state_entry {
1649 VMChangeStateHandler *cb;
1650 void *opaque;
1651 QLIST_ENTRY (vm_change_state_entry) entries;
1652 };
1653
1654 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1655
1656 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1657 void *opaque)
1658 {
1659 VMChangeStateEntry *e;
1660
1661 e = g_malloc0(sizeof (*e));
1662
1663 e->cb = cb;
1664 e->opaque = opaque;
1665 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1666 return e;
1667 }
1668
1669 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1670 {
1671 QLIST_REMOVE (e, entries);
1672 g_free (e);
1673 }
1674
1675 void vm_state_notify(int running, RunState state)
1676 {
1677 VMChangeStateEntry *e;
1678
1679 trace_vm_state_notify(running, state);
1680
1681 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1682 e->cb(e->opaque, running, state);
1683 }
1684 }
1685
1686 void vm_start(void)
1687 {
1688 if (!runstate_is_running()) {
1689 cpu_enable_ticks();
1690 runstate_set(RUN_STATE_RUNNING);
1691 vm_state_notify(1, RUN_STATE_RUNNING);
1692 resume_all_vcpus();
1693 monitor_protocol_event(QEVENT_RESUME, NULL);
1694 }
1695 }
1696
1697 /* reset/shutdown handler */
1698
1699 typedef struct QEMUResetEntry {
1700 QTAILQ_ENTRY(QEMUResetEntry) entry;
1701 QEMUResetHandler *func;
1702 void *opaque;
1703 } QEMUResetEntry;
1704
1705 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1706 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1707 static int reset_requested;
1708 static int shutdown_requested, shutdown_signal = -1;
1709 static pid_t shutdown_pid;
1710 static int powerdown_requested;
1711 static int debug_requested;
1712 static int suspend_requested;
1713 static WakeupReason wakeup_reason;
1714 static NotifierList powerdown_notifiers =
1715 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1716 static NotifierList suspend_notifiers =
1717 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1718 static NotifierList wakeup_notifiers =
1719 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1720 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1721 static RunState vmstop_requested = RUN_STATE_MAX;
1722
1723 int qemu_shutdown_requested_get(void)
1724 {
1725 return shutdown_requested;
1726 }
1727
1728 int qemu_reset_requested_get(void)
1729 {
1730 return reset_requested;
1731 }
1732
1733 static int qemu_shutdown_requested(void)
1734 {
1735 int r = shutdown_requested;
1736 shutdown_requested = 0;
1737 return r;
1738 }
1739
1740 static void qemu_kill_report(void)
1741 {
1742 if (!qtest_driver() && shutdown_signal != -1) {
1743 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1744 if (shutdown_pid == 0) {
1745 /* This happens for eg ^C at the terminal, so it's worth
1746 * avoiding printing an odd message in that case.
1747 */
1748 fputc('\n', stderr);
1749 } else {
1750 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1751 }
1752 shutdown_signal = -1;
1753 }
1754 }
1755
1756 static int qemu_reset_requested(void)
1757 {
1758 int r = reset_requested;
1759 reset_requested = 0;
1760 return r;
1761 }
1762
1763 static int qemu_suspend_requested(void)
1764 {
1765 int r = suspend_requested;
1766 suspend_requested = 0;
1767 return r;
1768 }
1769
1770 static WakeupReason qemu_wakeup_requested(void)
1771 {
1772 return wakeup_reason;
1773 }
1774
1775 static int qemu_powerdown_requested(void)
1776 {
1777 int r = powerdown_requested;
1778 powerdown_requested = 0;
1779 return r;
1780 }
1781
1782 static int qemu_debug_requested(void)
1783 {
1784 int r = debug_requested;
1785 debug_requested = 0;
1786 return r;
1787 }
1788
1789 /* We use RUN_STATE_MAX but any invalid value will do */
1790 static bool qemu_vmstop_requested(RunState *r)
1791 {
1792 if (vmstop_requested < RUN_STATE_MAX) {
1793 *r = vmstop_requested;
1794 vmstop_requested = RUN_STATE_MAX;
1795 return true;
1796 }
1797
1798 return false;
1799 }
1800
1801 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1802 {
1803 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1804
1805 re->func = func;
1806 re->opaque = opaque;
1807 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1808 }
1809
1810 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1811 {
1812 QEMUResetEntry *re;
1813
1814 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1815 if (re->func == func && re->opaque == opaque) {
1816 QTAILQ_REMOVE(&reset_handlers, re, entry);
1817 g_free(re);
1818 return;
1819 }
1820 }
1821 }
1822
1823 void qemu_devices_reset(void)
1824 {
1825 QEMUResetEntry *re, *nre;
1826
1827 /* reset all devices */
1828 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1829 re->func(re->opaque);
1830 }
1831 }
1832
1833 void qemu_system_reset(bool report)
1834 {
1835 if (current_machine && current_machine->reset) {
1836 current_machine->reset();
1837 } else {
1838 qemu_devices_reset();
1839 }
1840 if (report) {
1841 monitor_protocol_event(QEVENT_RESET, NULL);
1842 }
1843 cpu_synchronize_all_post_reset();
1844 }
1845
1846 void qemu_system_reset_request(void)
1847 {
1848 if (no_reboot) {
1849 shutdown_requested = 1;
1850 } else {
1851 reset_requested = 1;
1852 }
1853 cpu_stop_current();
1854 qemu_notify_event();
1855 }
1856
1857 static void qemu_system_suspend(void)
1858 {
1859 pause_all_vcpus();
1860 notifier_list_notify(&suspend_notifiers, NULL);
1861 runstate_set(RUN_STATE_SUSPENDED);
1862 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1863 }
1864
1865 void qemu_system_suspend_request(void)
1866 {
1867 if (runstate_check(RUN_STATE_SUSPENDED)) {
1868 return;
1869 }
1870 suspend_requested = 1;
1871 cpu_stop_current();
1872 qemu_notify_event();
1873 }
1874
1875 void qemu_register_suspend_notifier(Notifier *notifier)
1876 {
1877 notifier_list_add(&suspend_notifiers, notifier);
1878 }
1879
1880 void qemu_system_wakeup_request(WakeupReason reason)
1881 {
1882 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1883 return;
1884 }
1885 if (!(wakeup_reason_mask & (1 << reason))) {
1886 return;
1887 }
1888 runstate_set(RUN_STATE_RUNNING);
1889 wakeup_reason = reason;
1890 qemu_notify_event();
1891 }
1892
1893 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1894 {
1895 if (enabled) {
1896 wakeup_reason_mask |= (1 << reason);
1897 } else {
1898 wakeup_reason_mask &= ~(1 << reason);
1899 }
1900 }
1901
1902 void qemu_register_wakeup_notifier(Notifier *notifier)
1903 {
1904 notifier_list_add(&wakeup_notifiers, notifier);
1905 }
1906
1907 void qemu_system_killed(int signal, pid_t pid)
1908 {
1909 shutdown_signal = signal;
1910 shutdown_pid = pid;
1911 no_shutdown = 0;
1912 qemu_system_shutdown_request();
1913 }
1914
1915 void qemu_system_shutdown_request(void)
1916 {
1917 shutdown_requested = 1;
1918 qemu_notify_event();
1919 }
1920
1921 static void qemu_system_powerdown(void)
1922 {
1923 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1924 notifier_list_notify(&powerdown_notifiers, NULL);
1925 }
1926
1927 void qemu_system_powerdown_request(void)
1928 {
1929 powerdown_requested = 1;
1930 qemu_notify_event();
1931 }
1932
1933 void qemu_register_powerdown_notifier(Notifier *notifier)
1934 {
1935 notifier_list_add(&powerdown_notifiers, notifier);
1936 }
1937
1938 void qemu_system_debug_request(void)
1939 {
1940 debug_requested = 1;
1941 qemu_notify_event();
1942 }
1943
1944 void qemu_system_vmstop_request(RunState state)
1945 {
1946 vmstop_requested = state;
1947 qemu_notify_event();
1948 }
1949
1950 static bool main_loop_should_exit(void)
1951 {
1952 RunState r;
1953 if (qemu_debug_requested()) {
1954 vm_stop(RUN_STATE_DEBUG);
1955 }
1956 if (qemu_suspend_requested()) {
1957 qemu_system_suspend();
1958 }
1959 if (qemu_shutdown_requested()) {
1960 qemu_kill_report();
1961 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1962 if (no_shutdown) {
1963 vm_stop(RUN_STATE_SHUTDOWN);
1964 } else {
1965 return true;
1966 }
1967 }
1968 if (qemu_reset_requested()) {
1969 pause_all_vcpus();
1970 cpu_synchronize_all_states();
1971 qemu_system_reset(VMRESET_REPORT);
1972 resume_all_vcpus();
1973 if (runstate_needs_reset()) {
1974 runstate_set(RUN_STATE_PAUSED);
1975 }
1976 }
1977 if (qemu_wakeup_requested()) {
1978 pause_all_vcpus();
1979 cpu_synchronize_all_states();
1980 qemu_system_reset(VMRESET_SILENT);
1981 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1982 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1983 resume_all_vcpus();
1984 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1985 }
1986 if (qemu_powerdown_requested()) {
1987 qemu_system_powerdown();
1988 }
1989 if (qemu_vmstop_requested(&r)) {
1990 vm_stop(r);
1991 }
1992 return false;
1993 }
1994
1995 static void main_loop(void)
1996 {
1997 bool nonblocking;
1998 int last_io = 0;
1999 #ifdef CONFIG_PROFILER
2000 int64_t ti;
2001 #endif
2002 do {
2003 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2004 #ifdef CONFIG_PROFILER
2005 ti = profile_getclock();
2006 #endif
2007 last_io = main_loop_wait(nonblocking);
2008 #ifdef CONFIG_PROFILER
2009 dev_time += profile_getclock() - ti;
2010 #endif
2011 } while (!main_loop_should_exit());
2012 }
2013
2014 static void version(void)
2015 {
2016 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2017 }
2018
2019 static void help(int exitcode)
2020 {
2021 version();
2022 printf("usage: %s [options] [disk_image]\n\n"
2023 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2024 error_get_progname());
2025
2026 #define QEMU_OPTIONS_GENERATE_HELP
2027 #include "qemu-options-wrapper.h"
2028
2029 printf("\nDuring emulation, the following keys are useful:\n"
2030 "ctrl-alt-f toggle full screen\n"
2031 "ctrl-alt-n switch to virtual console 'n'\n"
2032 "ctrl-alt toggle mouse and keyboard grab\n"
2033 "\n"
2034 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2035
2036 exit(exitcode);
2037 }
2038
2039 #define HAS_ARG 0x0001
2040
2041 typedef struct QEMUOption {
2042 const char *name;
2043 int flags;
2044 int index;
2045 uint32_t arch_mask;
2046 } QEMUOption;
2047
2048 static const QEMUOption qemu_options[] = {
2049 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2050 #define QEMU_OPTIONS_GENERATE_OPTIONS
2051 #include "qemu-options-wrapper.h"
2052 { NULL },
2053 };
2054
2055 static bool vga_available(void)
2056 {
2057 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2058 }
2059
2060 static bool cirrus_vga_available(void)
2061 {
2062 return object_class_by_name("cirrus-vga")
2063 || object_class_by_name("isa-cirrus-vga");
2064 }
2065
2066 static bool vmware_vga_available(void)
2067 {
2068 return object_class_by_name("vmware-svga");
2069 }
2070
2071 static bool qxl_vga_available(void)
2072 {
2073 return object_class_by_name("qxl-vga");
2074 }
2075
2076 static bool tcx_vga_available(void)
2077 {
2078 return object_class_by_name("SUNW,tcx");
2079 }
2080
2081 static bool cg3_vga_available(void)
2082 {
2083 return object_class_by_name("cgthree");
2084 }
2085
2086 static void select_vgahw (const char *p)
2087 {
2088 const char *opts;
2089
2090 vga_interface_type = VGA_NONE;
2091 if (strstart(p, "std", &opts)) {
2092 if (vga_available()) {
2093 vga_interface_type = VGA_STD;
2094 } else {
2095 fprintf(stderr, "Error: standard VGA not available\n");
2096 exit(0);
2097 }
2098 } else if (strstart(p, "cirrus", &opts)) {
2099 if (cirrus_vga_available()) {
2100 vga_interface_type = VGA_CIRRUS;
2101 } else {
2102 fprintf(stderr, "Error: Cirrus VGA not available\n");
2103 exit(0);
2104 }
2105 } else if (strstart(p, "vmware", &opts)) {
2106 if (vmware_vga_available()) {
2107 vga_interface_type = VGA_VMWARE;
2108 } else {
2109 fprintf(stderr, "Error: VMWare SVGA not available\n");
2110 exit(0);
2111 }
2112 } else if (strstart(p, "xenfb", &opts)) {
2113 vga_interface_type = VGA_XENFB;
2114 } else if (strstart(p, "qxl", &opts)) {
2115 if (qxl_vga_available()) {
2116 vga_interface_type = VGA_QXL;
2117 } else {
2118 fprintf(stderr, "Error: QXL VGA not available\n");
2119 exit(0);
2120 }
2121 } else if (strstart(p, "tcx", &opts)) {
2122 if (tcx_vga_available()) {
2123 vga_interface_type = VGA_TCX;
2124 } else {
2125 fprintf(stderr, "Error: TCX framebuffer not available\n");
2126 exit(0);
2127 }
2128 } else if (strstart(p, "cg3", &opts)) {
2129 if (cg3_vga_available()) {
2130 vga_interface_type = VGA_CG3;
2131 } else {
2132 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2133 exit(0);
2134 }
2135 } else if (!strstart(p, "none", &opts)) {
2136 invalid_vga:
2137 fprintf(stderr, "Unknown vga type: %s\n", p);
2138 exit(1);
2139 }
2140 while (*opts) {
2141 const char *nextopt;
2142
2143 if (strstart(opts, ",retrace=", &nextopt)) {
2144 opts = nextopt;
2145 if (strstart(opts, "dumb", &nextopt))
2146 vga_retrace_method = VGA_RETRACE_DUMB;
2147 else if (strstart(opts, "precise", &nextopt))
2148 vga_retrace_method = VGA_RETRACE_PRECISE;
2149 else goto invalid_vga;
2150 } else goto invalid_vga;
2151 opts = nextopt;
2152 }
2153 }
2154
2155 static DisplayType select_display(const char *p)
2156 {
2157 const char *opts;
2158 DisplayType display = DT_DEFAULT;
2159
2160 if (strstart(p, "sdl", &opts)) {
2161 #ifdef CONFIG_SDL
2162 display = DT_SDL;
2163 while (*opts) {
2164 const char *nextopt;
2165
2166 if (strstart(opts, ",frame=", &nextopt)) {
2167 opts = nextopt;
2168 if (strstart(opts, "on", &nextopt)) {
2169 no_frame = 0;
2170 } else if (strstart(opts, "off", &nextopt)) {
2171 no_frame = 1;
2172 } else {
2173 goto invalid_sdl_args;
2174 }
2175 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2176 opts = nextopt;
2177 if (strstart(opts, "on", &nextopt)) {
2178 alt_grab = 1;
2179 } else if (strstart(opts, "off", &nextopt)) {
2180 alt_grab = 0;
2181 } else {
2182 goto invalid_sdl_args;
2183 }
2184 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2185 opts = nextopt;
2186 if (strstart(opts, "on", &nextopt)) {
2187 ctrl_grab = 1;
2188 } else if (strstart(opts, "off", &nextopt)) {
2189 ctrl_grab = 0;
2190 } else {
2191 goto invalid_sdl_args;
2192 }
2193 } else if (strstart(opts, ",window_close=", &nextopt)) {
2194 opts = nextopt;
2195 if (strstart(opts, "on", &nextopt)) {
2196 no_quit = 0;
2197 } else if (strstart(opts, "off", &nextopt)) {
2198 no_quit = 1;
2199 } else {
2200 goto invalid_sdl_args;
2201 }
2202 } else {
2203 invalid_sdl_args:
2204 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2205 exit(1);
2206 }
2207 opts = nextopt;
2208 }
2209 #else
2210 fprintf(stderr, "SDL support is disabled\n");
2211 exit(1);
2212 #endif
2213 } else if (strstart(p, "vnc", &opts)) {
2214 #ifdef CONFIG_VNC
2215 display_remote++;
2216
2217 if (*opts) {
2218 const char *nextopt;
2219
2220 if (strstart(opts, "=", &nextopt)) {
2221 vnc_display = nextopt;
2222 }
2223 }
2224 if (!vnc_display) {
2225 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2226 exit(1);
2227 }
2228 #else
2229 fprintf(stderr, "VNC support is disabled\n");
2230 exit(1);
2231 #endif
2232 } else if (strstart(p, "curses", &opts)) {
2233 #ifdef CONFIG_CURSES
2234 display = DT_CURSES;
2235 #else
2236 fprintf(stderr, "Curses support is disabled\n");
2237 exit(1);
2238 #endif
2239 } else if (strstart(p, "gtk", &opts)) {
2240 #ifdef CONFIG_GTK
2241 display = DT_GTK;
2242 #else
2243 fprintf(stderr, "GTK support is disabled\n");
2244 exit(1);
2245 #endif
2246 } else if (strstart(p, "none", &opts)) {
2247 display = DT_NONE;
2248 } else {
2249 fprintf(stderr, "Unknown display type: %s\n", p);
2250 exit(1);
2251 }
2252
2253 return display;
2254 }
2255
2256 static int balloon_parse(const char *arg)
2257 {
2258 QemuOpts *opts;
2259
2260 if (strcmp(arg, "none") == 0) {
2261 return 0;
2262 }
2263
2264 if (!strncmp(arg, "virtio", 6)) {
2265 if (arg[6] == ',') {
2266 /* have params -> parse them */
2267 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2268 if (!opts)
2269 return -1;
2270 } else {
2271 /* create empty opts */
2272 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2273 &error_abort);
2274 }
2275 qemu_opt_set(opts, "driver", "virtio-balloon");
2276 return 0;
2277 }
2278
2279 return -1;
2280 }
2281
2282 char *qemu_find_file(int type, const char *name)
2283 {
2284 int i;
2285 const char *subdir;
2286 char *buf;
2287
2288 /* Try the name as a straight path first */
2289 if (access(name, R_OK) == 0) {
2290 trace_load_file(name, name);
2291 return g_strdup(name);
2292 }
2293
2294 switch (type) {
2295 case QEMU_FILE_TYPE_BIOS:
2296 subdir = "";
2297 break;
2298 case QEMU_FILE_TYPE_KEYMAP:
2299 subdir = "keymaps/";
2300 break;
2301 default:
2302 abort();
2303 }
2304
2305 for (i = 0; i < data_dir_idx; i++) {
2306 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2307 if (access(buf, R_OK) == 0) {
2308 trace_load_file(name, buf);
2309 return buf;
2310 }
2311 g_free(buf);
2312 }
2313 return NULL;
2314 }
2315
2316 static int device_help_func(QemuOpts *opts, void *opaque)
2317 {
2318 return qdev_device_help(opts);
2319 }
2320
2321 static int device_init_func(QemuOpts *opts, void *opaque)
2322 {
2323 DeviceState *dev;
2324
2325 dev = qdev_device_add(opts);
2326 if (!dev)
2327 return -1;
2328 object_unref(OBJECT(dev));
2329 return 0;
2330 }
2331
2332 static int chardev_init_func(QemuOpts *opts, void *opaque)
2333 {
2334 Error *local_err = NULL;
2335
2336 qemu_chr_new_from_opts(opts, NULL, &local_err);
2337 if (local_err) {
2338 error_report("%s", error_get_pretty(local_err));
2339 error_free(local_err);
2340 return -1;
2341 }
2342 return 0;
2343 }
2344
2345 #ifdef CONFIG_VIRTFS
2346 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2347 {
2348 int ret;
2349 ret = qemu_fsdev_add(opts);
2350
2351 return ret;
2352 }
2353 #endif
2354
2355 static int mon_init_func(QemuOpts *opts, void *opaque)
2356 {
2357 CharDriverState *chr;
2358 const char *chardev;
2359 const char *mode;
2360 int flags;
2361
2362 mode = qemu_opt_get(opts, "mode");
2363 if (mode == NULL) {
2364 mode = "readline";
2365 }
2366 if (strcmp(mode, "readline") == 0) {
2367 flags = MONITOR_USE_READLINE;
2368 } else if (strcmp(mode, "control") == 0) {
2369 flags = MONITOR_USE_CONTROL;
2370 } else {
2371 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2372 exit(1);
2373 }
2374
2375 if (qemu_opt_get_bool(opts, "pretty", 0))
2376 flags |= MONITOR_USE_PRETTY;
2377
2378 if (qemu_opt_get_bool(opts, "default", 0))
2379 flags |= MONITOR_IS_DEFAULT;
2380
2381 chardev = qemu_opt_get(opts, "chardev");
2382 chr = qemu_chr_find(chardev);
2383 if (chr == NULL) {
2384 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2385 exit(1);
2386 }
2387
2388 qemu_chr_fe_claim_no_fail(chr);
2389 monitor_init(chr, flags);
2390 return 0;
2391 }
2392
2393 static void monitor_parse(const char *optarg, const char *mode)
2394 {
2395 static int monitor_device_index = 0;
2396 QemuOpts *opts;
2397 const char *p;
2398 char label[32];
2399 int def = 0;
2400
2401 if (strstart(optarg, "chardev:", &p)) {
2402 snprintf(label, sizeof(label), "%s", p);
2403 } else {
2404 snprintf(label, sizeof(label), "compat_monitor%d",
2405 monitor_device_index);
2406 if (monitor_device_index == 0) {
2407 def = 1;
2408 }
2409 opts = qemu_chr_parse_compat(label, optarg);
2410 if (!opts) {
2411 fprintf(stderr, "parse error: %s\n", optarg);
2412 exit(1);
2413 }
2414 }
2415
2416 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2417 if (!opts) {
2418 fprintf(stderr, "duplicate chardev: %s\n", label);
2419 exit(1);
2420 }
2421 qemu_opt_set(opts, "mode", mode);
2422 qemu_opt_set(opts, "chardev", label);
2423 if (def)
2424 qemu_opt_set(opts, "default", "on");
2425 monitor_device_index++;
2426 }
2427
2428 struct device_config {
2429 enum {
2430 DEV_USB, /* -usbdevice */
2431 DEV_BT, /* -bt */
2432 DEV_SERIAL, /* -serial */
2433 DEV_PARALLEL, /* -parallel */
2434 DEV_VIRTCON, /* -virtioconsole */
2435 DEV_DEBUGCON, /* -debugcon */
2436 DEV_GDB, /* -gdb, -s */
2437 DEV_SCLP, /* s390 sclp */
2438 } type;
2439 const char *cmdline;
2440 Location loc;
2441 QTAILQ_ENTRY(device_config) next;
2442 };
2443
2444 static QTAILQ_HEAD(, device_config) device_configs =
2445 QTAILQ_HEAD_INITIALIZER(device_configs);
2446
2447 static void add_device_config(int type, const char *cmdline)
2448 {
2449 struct device_config *conf;
2450
2451 conf = g_malloc0(sizeof(*conf));
2452 conf->type = type;
2453 conf->cmdline = cmdline;
2454 loc_save(&conf->loc);
2455 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2456 }
2457
2458 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2459 {
2460 struct device_config *conf;
2461 int rc;
2462
2463 QTAILQ_FOREACH(conf, &device_configs, next) {
2464 if (conf->type != type)
2465 continue;
2466 loc_push_restore(&conf->loc);
2467 rc = func(conf->cmdline);
2468 loc_pop(&conf->loc);
2469 if (0 != rc)
2470 return rc;
2471 }
2472 return 0;
2473 }
2474
2475 static int serial_parse(const char *devname)
2476 {
2477 static int index = 0;
2478 char label[32];
2479
2480 if (strcmp(devname, "none") == 0)
2481 return 0;
2482 if (index == MAX_SERIAL_PORTS) {
2483 fprintf(stderr, "qemu: too many serial ports\n");
2484 exit(1);
2485 }
2486 snprintf(label, sizeof(label), "serial%d", index);
2487 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2488 if (!serial_hds[index]) {
2489 fprintf(stderr, "qemu: could not connect serial device"
2490 " to character backend '%s'\n", devname);
2491 return -1;
2492 }
2493 index++;
2494 return 0;
2495 }
2496
2497 static int parallel_parse(const char *devname)
2498 {
2499 static int index = 0;
2500 char label[32];
2501
2502 if (strcmp(devname, "none") == 0)
2503 return 0;
2504 if (index == MAX_PARALLEL_PORTS) {
2505 fprintf(stderr, "qemu: too many parallel ports\n");
2506 exit(1);
2507 }
2508 snprintf(label, sizeof(label), "parallel%d", index);
2509 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2510 if (!parallel_hds[index]) {
2511 fprintf(stderr, "qemu: could not connect parallel device"
2512 " to character backend '%s'\n", devname);
2513 return -1;
2514 }
2515 index++;
2516 return 0;
2517 }
2518
2519 static int virtcon_parse(const char *devname)
2520 {
2521 QemuOptsList *device = qemu_find_opts("device");
2522 static int index = 0;
2523 char label[32];
2524 QemuOpts *bus_opts, *dev_opts;
2525
2526 if (strcmp(devname, "none") == 0)
2527 return 0;
2528 if (index == MAX_VIRTIO_CONSOLES) {
2529 fprintf(stderr, "qemu: too many virtio consoles\n");
2530 exit(1);
2531 }
2532
2533 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2534 if (arch_type == QEMU_ARCH_S390X) {
2535 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2536 } else {
2537 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2538 }
2539
2540 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2541 qemu_opt_set(dev_opts, "driver", "virtconsole");
2542
2543 snprintf(label, sizeof(label), "virtcon%d", index);
2544 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2545 if (!virtcon_hds[index]) {
2546 fprintf(stderr, "qemu: could not connect virtio console"
2547 " to character backend '%s'\n", devname);
2548 return -1;
2549 }
2550 qemu_opt_set(dev_opts, "chardev", label);
2551
2552 index++;
2553 return 0;
2554 }
2555
2556 static int sclp_parse(const char *devname)
2557 {
2558 QemuOptsList *device = qemu_find_opts("device");
2559 static int index = 0;
2560 char label[32];
2561 QemuOpts *dev_opts;
2562
2563 if (strcmp(devname, "none") == 0) {
2564 return 0;
2565 }
2566 if (index == MAX_SCLP_CONSOLES) {
2567 fprintf(stderr, "qemu: too many sclp consoles\n");
2568 exit(1);
2569 }
2570
2571 assert(arch_type == QEMU_ARCH_S390X);
2572
2573 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2574 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2575
2576 snprintf(label, sizeof(label), "sclpcon%d", index);
2577 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2578 if (!sclp_hds[index]) {
2579 fprintf(stderr, "qemu: could not connect sclp console"
2580 " to character backend '%s'\n", devname);
2581 return -1;
2582 }
2583 qemu_opt_set(dev_opts, "chardev", label);
2584
2585 index++;
2586 return 0;
2587 }
2588
2589 static int debugcon_parse(const char *devname)
2590 {
2591 QemuOpts *opts;
2592
2593 if (!qemu_chr_new("debugcon", devname, NULL)) {
2594 exit(1);
2595 }
2596 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2597 if (!opts) {
2598 fprintf(stderr, "qemu: already have a debugcon device\n");
2599 exit(1);
2600 }
2601 qemu_opt_set(opts, "driver", "isa-debugcon");
2602 qemu_opt_set(opts, "chardev", "debugcon");
2603 return 0;
2604 }
2605
2606 static QEMUMachine *machine_parse(const char *name)
2607 {
2608 QEMUMachine *m, *machine = NULL;
2609
2610 if (name) {
2611 machine = find_machine(name);
2612 }
2613 if (machine) {
2614 return machine;
2615 }
2616 printf("Supported machines are:\n");
2617 for (m = first_machine; m != NULL; m = m->next) {
2618 if (m->alias) {
2619 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2620 }
2621 printf("%-20s %s%s\n", m->name, m->desc,
2622 m->is_default ? " (default)" : "");
2623 }
2624 exit(!name || !is_help_option(name));
2625 }
2626
2627 static int tcg_init(QEMUMachine *machine)
2628 {
2629 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2630 return 0;
2631 }
2632
2633 static struct {
2634 const char *opt_name;
2635 const char *name;
2636 int (*available)(void);
2637 int (*init)(QEMUMachine *);
2638 bool *allowed;
2639 } accel_list[] = {
2640 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2641 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2642 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2643 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2644 };
2645
2646 static int configure_accelerator(QEMUMachine *machine)
2647 {
2648 const char *p;
2649 char buf[10];
2650 int i, ret;
2651 bool accel_initialised = false;
2652 bool init_failed = false;
2653
2654 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2655 if (p == NULL) {
2656 /* Use the default "accelerator", tcg */
2657 p = "tcg";
2658 }
2659
2660 while (!accel_initialised && *p != '\0') {
2661 if (*p == ':') {
2662 p++;
2663 }
2664 p = get_opt_name(buf, sizeof (buf), p, ':');
2665 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2666 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2667 if (!accel_list[i].available()) {
2668 printf("%s not supported for this target\n",
2669 accel_list[i].name);
2670 continue;
2671 }
2672 *(accel_list[i].allowed) = true;
2673 ret = accel_list[i].init(machine);
2674 if (ret < 0) {
2675 init_failed = true;
2676 fprintf(stderr, "failed to initialize %s: %s\n",
2677 accel_list[i].name,
2678 strerror(-ret));
2679 *(accel_list[i].allowed) = false;
2680 } else {
2681 accel_initialised = true;
2682 }
2683 break;
2684 }
2685 }
2686 if (i == ARRAY_SIZE(accel_list)) {
2687 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2688 }
2689 }
2690
2691 if (!accel_initialised) {
2692 if (!init_failed) {
2693 fprintf(stderr, "No accelerator found!\n");
2694 }
2695 exit(1);
2696 }
2697
2698 if (init_failed) {
2699 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2700 }
2701
2702 return !accel_initialised;
2703 }
2704
2705 void qemu_add_exit_notifier(Notifier *notify)
2706 {
2707 notifier_list_add(&exit_notifiers, notify);
2708 }
2709
2710 void qemu_remove_exit_notifier(Notifier *notify)
2711 {
2712 notifier_remove(notify);
2713 }
2714
2715 static void qemu_run_exit_notifiers(void)
2716 {
2717 notifier_list_notify(&exit_notifiers, NULL);
2718 }
2719
2720 void qemu_add_machine_init_done_notifier(Notifier *notify)
2721 {
2722 notifier_list_add(&machine_init_done_notifiers, notify);
2723 }
2724
2725 static void qemu_run_machine_init_done_notifiers(void)
2726 {
2727 notifier_list_notify(&machine_init_done_notifiers, NULL);
2728 }
2729
2730 static const QEMUOption *lookup_opt(int argc, char **argv,
2731 const char **poptarg, int *poptind)
2732 {
2733 const QEMUOption *popt;
2734 int optind = *poptind;
2735 char *r = argv[optind];
2736 const char *optarg;
2737
2738 loc_set_cmdline(argv, optind, 1);
2739 optind++;
2740 /* Treat --foo the same as -foo. */
2741 if (r[1] == '-')
2742 r++;
2743 popt = qemu_options;
2744 for(;;) {
2745 if (!popt->name) {
2746 error_report("invalid option");
2747 exit(1);
2748 }
2749 if (!strcmp(popt->name, r + 1))
2750 break;
2751 popt++;
2752 }
2753 if (popt->flags & HAS_ARG) {
2754 if (optind >= argc) {
2755 error_report("requires an argument");
2756 exit(1);
2757 }
2758 optarg = argv[optind++];
2759 loc_set_cmdline(argv, optind - 2, 2);
2760 } else {
2761 optarg = NULL;
2762 }
2763
2764 *poptarg = optarg;
2765 *poptind = optind;
2766
2767 return popt;
2768 }
2769
2770 static gpointer malloc_and_trace(gsize n_bytes)
2771 {
2772 void *ptr = malloc(n_bytes);
2773 trace_g_malloc(n_bytes, ptr);
2774 return ptr;
2775 }
2776
2777 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2778 {
2779 void *ptr = realloc(mem, n_bytes);
2780 trace_g_realloc(mem, n_bytes, ptr);
2781 return ptr;
2782 }
2783
2784 static void free_and_trace(gpointer mem)
2785 {
2786 trace_g_free(mem);
2787 free(mem);
2788 }
2789
2790 static int object_set_property(const char *name, const char *value, void *opaque)
2791 {
2792 Object *obj = OBJECT(opaque);
2793 StringInputVisitor *siv;
2794 Error *local_err = NULL;
2795
2796 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2797 return 0;
2798 }
2799
2800 siv = string_input_visitor_new(value);
2801 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2802 string_input_visitor_cleanup(siv);
2803
2804 if (local_err) {
2805 qerror_report_err(local_err);
2806 error_free(local_err);
2807 return -1;
2808 }
2809
2810 return 0;
2811 }
2812
2813 static int object_create(QemuOpts *opts, void *opaque)
2814 {
2815 const char *type = qemu_opt_get(opts, "qom-type");
2816 const char *id = qemu_opts_id(opts);
2817 Error *local_err = NULL;
2818 Object *obj;
2819
2820 g_assert(type != NULL);
2821
2822 if (id == NULL) {
2823 qerror_report(QERR_MISSING_PARAMETER, "id");
2824 return -1;
2825 }
2826
2827 obj = object_new(type);
2828 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2829 object_unref(obj);
2830 return -1;
2831 }
2832
2833 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2834 error_setg(&local_err, "object '%s' isn't supported by -object",
2835 id);
2836 goto out;
2837 }
2838
2839 user_creatable_complete(obj, &local_err);
2840 if (local_err) {
2841 goto out;
2842 }
2843
2844 object_property_add_child(container_get(object_get_root(), "/objects"),
2845 id, obj, &local_err);
2846
2847 out:
2848 object_unref(obj);
2849 if (local_err) {
2850 qerror_report_err(local_err);
2851 error_free(local_err);
2852 return -1;
2853 }
2854 return 0;
2855 }
2856
2857 int main(int argc, char **argv, char **envp)
2858 {
2859 int i;
2860 int snapshot, linux_boot;
2861 const char *icount_option = NULL;
2862 const char *initrd_filename;
2863 const char *kernel_filename, *kernel_cmdline;
2864 const char *boot_order;
2865 DisplayState *ds;
2866 int cyls, heads, secs, translation;
2867 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2868 QemuOptsList *olist;
2869 int optind;
2870 const char *optarg;
2871 const char *loadvm = NULL;
2872 QEMUMachine *machine;
2873 const char *cpu_model;
2874 const char *vga_model = "none";
2875 const char *qtest_chrdev = NULL;
2876 const char *qtest_log = NULL;
2877 const char *pid_file = NULL;
2878 const char *incoming = NULL;
2879 #ifdef CONFIG_VNC
2880 int show_vnc_port = 0;
2881 #endif
2882 bool defconfig = true;
2883 bool userconfig = true;
2884 const char *log_mask = NULL;
2885 const char *log_file = NULL;
2886 GMemVTable mem_trace = {
2887 .malloc = malloc_and_trace,
2888 .realloc = realloc_and_trace,
2889 .free = free_and_trace,
2890 };
2891 const char *trace_events = NULL;
2892 const char *trace_file = NULL;
2893
2894 atexit(qemu_run_exit_notifiers);
2895 error_set_progname(argv[0]);
2896 qemu_init_exec_dir(argv[0]);
2897
2898 g_mem_set_vtable(&mem_trace);
2899 if (!g_thread_supported()) {
2900 #if !GLIB_CHECK_VERSION(2, 31, 0)
2901 g_thread_init(NULL);
2902 #else
2903 fprintf(stderr, "glib threading failed to initialize.\n");
2904 exit(1);
2905 #endif
2906 }
2907
2908 module_call_init(MODULE_INIT_QOM);
2909
2910 qemu_add_opts(&qemu_drive_opts);
2911 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2912 qemu_add_drive_opts(&qemu_common_drive_opts);
2913 qemu_add_drive_opts(&qemu_drive_opts);
2914 qemu_add_opts(&qemu_chardev_opts);
2915 qemu_add_opts(&qemu_device_opts);
2916 qemu_add_opts(&qemu_netdev_opts);
2917 qemu_add_opts(&qemu_net_opts);
2918 qemu_add_opts(&qemu_rtc_opts);
2919 qemu_add_opts(&qemu_global_opts);
2920 qemu_add_opts(&qemu_mon_opts);
2921 qemu_add_opts(&qemu_trace_opts);
2922 qemu_add_opts(&qemu_option_rom_opts);
2923 qemu_add_opts(&qemu_machine_opts);
2924 qemu_add_opts(&qemu_smp_opts);
2925 qemu_add_opts(&qemu_boot_opts);
2926 qemu_add_opts(&qemu_sandbox_opts);
2927 qemu_add_opts(&qemu_add_fd_opts);
2928 qemu_add_opts(&qemu_object_opts);
2929 qemu_add_opts(&qemu_tpmdev_opts);
2930 qemu_add_opts(&qemu_realtime_opts);
2931 qemu_add_opts(&qemu_msg_opts);
2932 qemu_add_opts(&qemu_name_opts);
2933
2934 runstate_init();
2935
2936 init_clocks();
2937 rtc_clock = QEMU_CLOCK_HOST;
2938
2939 qemu_init_auxval(envp);
2940 qemu_cache_utils_init();
2941
2942 QLIST_INIT (&vm_change_state_head);
2943 os_setup_early_signal_handling();
2944
2945 module_call_init(MODULE_INIT_MACHINE);
2946 machine = find_default_machine();
2947 cpu_model = NULL;
2948 ram_size = 0;
2949 snapshot = 0;
2950 cyls = heads = secs = 0;
2951 translation = BIOS_ATA_TRANSLATION_AUTO;
2952
2953 for (i = 0; i < MAX_NODES; i++) {
2954 node_mem[i] = 0;
2955 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2956 }
2957
2958 nb_numa_nodes = 0;
2959 nb_nics = 0;
2960
2961 bdrv_init_with_whitelist();
2962
2963 autostart = 1;
2964
2965 /* first pass of option parsing */
2966 optind = 1;
2967 while (optind < argc) {
2968 if (argv[optind][0] != '-') {
2969 /* disk image */
2970 optind++;
2971 continue;
2972 } else {
2973 const QEMUOption *popt;
2974
2975 popt = lookup_opt(argc, argv, &optarg, &optind);
2976 switch (popt->index) {
2977 case QEMU_OPTION_nodefconfig:
2978 defconfig = false;
2979 break;
2980 case QEMU_OPTION_nouserconfig:
2981 userconfig = false;
2982 break;
2983 }
2984 }
2985 }
2986
2987 if (defconfig) {
2988 int ret;
2989 ret = qemu_read_default_config_files(userconfig);
2990 if (ret < 0) {
2991 exit(1);
2992 }
2993 }
2994
2995 /* second pass of option parsing */
2996 optind = 1;
2997 for(;;) {
2998 if (optind >= argc)
2999 break;
3000 if (argv[optind][0] != '-') {
3001 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3002 } else {
3003 const QEMUOption *popt;
3004
3005 popt = lookup_opt(argc, argv, &optarg, &optind);
3006 if (!(popt->arch_mask & arch_type)) {
3007 printf("Option %s not supported for this target\n", popt->name);
3008 exit(1);
3009 }
3010 switch(popt->index) {
3011 case QEMU_OPTION_M:
3012 machine = machine_parse(optarg);
3013 break;
3014 case QEMU_OPTION_no_kvm_irqchip: {
3015 olist = qemu_find_opts("machine");
3016 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3017 break;
3018 }
3019 case QEMU_OPTION_cpu:
3020 /* hw initialization will check this */
3021 cpu_model = optarg;
3022 break;
3023 case QEMU_OPTION_hda:
3024 {
3025 char buf[256];
3026 if (cyls == 0)
3027 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3028 else
3029 snprintf(buf, sizeof(buf),
3030 "%s,cyls=%d,heads=%d,secs=%d%s",
3031 HD_OPTS , cyls, heads, secs,
3032 translation == BIOS_ATA_TRANSLATION_LBA ?
3033 ",trans=lba" :
3034 translation == BIOS_ATA_TRANSLATION_NONE ?
3035 ",trans=none" : "");
3036 drive_add(IF_DEFAULT, 0, optarg, buf);
3037 break;
3038 }
3039 case QEMU_OPTION_hdb:
3040 case QEMU_OPTION_hdc:
3041 case QEMU_OPTION_hdd:
3042 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3043 HD_OPTS);
3044 break;
3045 case QEMU_OPTION_drive:
3046 if (drive_def(optarg) == NULL) {
3047 exit(1);
3048 }
3049 break;
3050 case QEMU_OPTION_set:
3051 if (qemu_set_option(optarg) != 0)
3052 exit(1);
3053 break;
3054 case QEMU_OPTION_global:
3055 if (qemu_global_option(optarg) != 0)
3056 exit(1);
3057 break;
3058 case QEMU_OPTION_mtdblock:
3059 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3060 break;
3061 case QEMU_OPTION_sd:
3062 drive_add(IF_SD, -1, optarg, SD_OPTS);
3063 break;
3064 case QEMU_OPTION_pflash:
3065 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3066 break;
3067 case QEMU_OPTION_snapshot:
3068 snapshot = 1;
3069 break;
3070 case QEMU_OPTION_hdachs:
3071 {
3072 const char *p;
3073 p = optarg;
3074 cyls = strtol(p, (char **)&p, 0);
3075 if (cyls < 1 || cyls > 16383)
3076 goto chs_fail;
3077 if (*p != ',')
3078 goto chs_fail;
3079 p++;
3080 heads = strtol(p, (char **)&p, 0);
3081 if (heads < 1 || heads > 16)
3082 goto chs_fail;
3083 if (*p != ',')
3084 goto chs_fail;
3085 p++;
3086 secs = strtol(p, (char **)&p, 0);
3087 if (secs < 1 || secs > 63)
3088 goto chs_fail;
3089 if (*p == ',') {
3090 p++;
3091 if (!strcmp(p, "large")) {
3092 translation = BIOS_ATA_TRANSLATION_LARGE;
3093 } else if (!strcmp(p, "rechs")) {
3094 translation = BIOS_ATA_TRANSLATION_RECHS;
3095 } else if (!strcmp(p, "none")) {
3096 translation = BIOS_ATA_TRANSLATION_NONE;
3097 } else if (!strcmp(p, "lba")) {
3098 translation = BIOS_ATA_TRANSLATION_LBA;
3099 } else if (!strcmp(p, "auto")) {
3100 translation = BIOS_ATA_TRANSLATION_AUTO;
3101 } else {
3102 goto chs_fail;
3103 }
3104 } else if (*p != '\0') {
3105 chs_fail:
3106 fprintf(stderr, "qemu: invalid physical CHS format\n");
3107 exit(1);
3108 }
3109 if (hda_opts != NULL) {
3110 char num[16];
3111 snprintf(num, sizeof(num), "%d", cyls);
3112 qemu_opt_set(hda_opts, "cyls", num);
3113 snprintf(num, sizeof(num), "%d", heads);
3114 qemu_opt_set(hda_opts, "heads", num);
3115 snprintf(num, sizeof(num), "%d", secs);
3116 qemu_opt_set(hda_opts, "secs", num);
3117 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3118 qemu_opt_set(hda_opts, "trans", "large");
3119 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3120 qemu_opt_set(hda_opts, "trans", "rechs");
3121 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3122 qemu_opt_set(hda_opts, "trans", "lba");
3123 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3124 qemu_opt_set(hda_opts, "trans", "none");
3125 }
3126 }
3127 }
3128 break;
3129 case QEMU_OPTION_numa:
3130 numa_add(optarg);
3131 break;
3132 case QEMU_OPTION_display:
3133 display_type = select_display(optarg);
3134 break;
3135 case QEMU_OPTION_nographic:
3136 display_type = DT_NOGRAPHIC;
3137 break;
3138 case QEMU_OPTION_curses:
3139 #ifdef CONFIG_CURSES
3140 display_type = DT_CURSES;
3141 #else
3142 fprintf(stderr, "Curses support is disabled\n");
3143 exit(1);
3144 #endif
3145 break;
3146 case QEMU_OPTION_portrait:
3147 graphic_rotate = 90;
3148 break;
3149 case QEMU_OPTION_rotate:
3150 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3151 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3152 graphic_rotate != 180 && graphic_rotate != 270) {
3153 fprintf(stderr,
3154 "qemu: only 90, 180, 270 deg rotation is available\n");
3155 exit(1);
3156 }
3157 break;
3158 case QEMU_OPTION_kernel:
3159 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3160 break;
3161 case QEMU_OPTION_initrd:
3162 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3163 break;
3164 case QEMU_OPTION_append:
3165 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3166 break;
3167 case QEMU_OPTION_dtb:
3168 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3169 break;
3170 case QEMU_OPTION_cdrom:
3171 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3172 break;
3173 case QEMU_OPTION_boot:
3174 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3175 if (!opts) {
3176 exit(1);
3177 }
3178 break;
3179 case QEMU_OPTION_fda:
3180 case QEMU_OPTION_fdb:
3181 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3182 optarg, FD_OPTS);
3183 break;
3184 case QEMU_OPTION_no_fd_bootchk:
3185 fd_bootchk = 0;
3186 break;
3187 case QEMU_OPTION_netdev:
3188 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3189 exit(1);
3190 }
3191 break;
3192 case QEMU_OPTION_net:
3193 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3194 exit(1);
3195 }
3196 break;
3197 #ifdef CONFIG_LIBISCSI
3198 case QEMU_OPTION_iscsi:
3199 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3200 if (!opts) {
3201 exit(1);
3202 }
3203 break;
3204 #endif
3205 #ifdef CONFIG_SLIRP
3206 case QEMU_OPTION_tftp:
3207 legacy_tftp_prefix = optarg;
3208 break;
3209 case QEMU_OPTION_bootp:
3210 legacy_bootp_filename = optarg;
3211 break;
3212 case QEMU_OPTION_redir:
3213 if (net_slirp_redir(optarg) < 0)
3214 exit(1);
3215 break;
3216 #endif
3217 case QEMU_OPTION_bt:
3218 add_device_config(DEV_BT, optarg);
3219 break;
3220 case QEMU_OPTION_audio_help:
3221 AUD_help ();
3222 exit (0);
3223 break;
3224 case QEMU_OPTION_soundhw:
3225 select_soundhw (optarg);
3226 break;
3227 case QEMU_OPTION_h:
3228 help(0);
3229 break;
3230 case QEMU_OPTION_version:
3231 version();
3232 exit(0);
3233 break;
3234 case QEMU_OPTION_m: {
3235 int64_t value;
3236 uint64_t sz;
3237 char *end;
3238
3239 value = strtosz(optarg, &end);
3240 if (value < 0 || *end) {
3241 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3242 exit(1);
3243 }
3244 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3245 ram_size = sz;
3246 if (ram_size != sz) {
3247 fprintf(stderr, "qemu: ram size too large\n");
3248 exit(1);
3249 }
3250 break;
3251 }
3252 #ifdef CONFIG_TPM
3253 case QEMU_OPTION_tpmdev:
3254 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3255 exit(1);
3256 }
3257 break;
3258 #endif
3259 case QEMU_OPTION_mempath:
3260 mem_path = optarg;
3261 break;
3262 case QEMU_OPTION_mem_prealloc:
3263 mem_prealloc = 1;
3264 break;
3265 case QEMU_OPTION_d:
3266 log_mask = optarg;
3267 break;
3268 case QEMU_OPTION_D:
3269 log_file = optarg;
3270 break;
3271 case QEMU_OPTION_s:
3272 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3273 break;
3274 case QEMU_OPTION_gdb:
3275 add_device_config(DEV_GDB, optarg);
3276 break;
3277 case QEMU_OPTION_L:
3278 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3279 data_dir[data_dir_idx++] = optarg;
3280 }
3281 break;
3282 case QEMU_OPTION_bios:
3283 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3284 break;
3285 case QEMU_OPTION_singlestep:
3286 singlestep = 1;
3287 break;
3288 case QEMU_OPTION_S:
3289 autostart = 0;
3290 break;
3291 case QEMU_OPTION_k:
3292 keyboard_layout = optarg;
3293 break;
3294 case QEMU_OPTION_localtime:
3295 rtc_utc = 0;
3296 break;
3297 case QEMU_OPTION_vga:
3298 vga_model = optarg;
3299 default_vga = 0;
3300 break;
3301 case QEMU_OPTION_g:
3302 {
3303 const char *p;
3304 int w, h, depth;
3305 p = optarg;
3306 w = strtol(p, (char **)&p, 10);
3307 if (w <= 0) {
3308 graphic_error:
3309 fprintf(stderr, "qemu: invalid resolution or depth\n");
3310 exit(1);
3311 }
3312 if (*p != 'x')
3313 goto graphic_error;
3314 p++;
3315 h = strtol(p, (char **)&p, 10);
3316 if (h <= 0)
3317 goto graphic_error;
3318 if (*p == 'x') {
3319 p++;
3320 depth = strtol(p, (char **)&p, 10);
3321 if (depth != 8 && depth != 15 && depth != 16 &&
3322 depth != 24 && depth != 32)
3323 goto graphic_error;
3324 } else if (*p == '\0') {
3325 depth = graphic_depth;
3326 } else {
3327 goto graphic_error;
3328 }
3329
3330 graphic_width = w;
3331 graphic_height = h;
3332 graphic_depth = depth;
3333 }
3334 break;
3335 case QEMU_OPTION_echr:
3336 {
3337 char *r;
3338 term_escape_char = strtol(optarg, &r, 0);
3339 if (r == optarg)
3340 printf("Bad argument to echr\n");
3341 break;
3342 }
3343 case QEMU_OPTION_monitor:
3344 default_monitor = 0;
3345 if (strncmp(optarg, "none", 4)) {
3346 monitor_parse(optarg, "readline");
3347 }
3348 break;
3349 case QEMU_OPTION_qmp:
3350 monitor_parse(optarg, "control");
3351 default_monitor = 0;
3352 break;
3353 case QEMU_OPTION_mon:
3354 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3355 if (!opts) {
3356 exit(1);
3357 }
3358 default_monitor = 0;
3359 break;
3360 case QEMU_OPTION_chardev:
3361 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3362 if (!opts) {
3363 exit(1);
3364 }
3365 break;
3366 case QEMU_OPTION_fsdev:
3367 olist = qemu_find_opts("fsdev");
3368 if (!olist) {
3369 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3370 exit(1);
3371 }
3372 opts = qemu_opts_parse(olist, optarg, 1);
3373 if (!opts) {
3374 exit(1);
3375 }
3376 break;
3377 case QEMU_OPTION_virtfs: {
3378 QemuOpts *fsdev;
3379 QemuOpts *device;
3380 const char *writeout, *sock_fd, *socket;
3381
3382 olist = qemu_find_opts("virtfs");
3383 if (!olist) {
3384 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3385 exit(1);
3386 }
3387 opts = qemu_opts_parse(olist, optarg, 1);
3388 if (!opts) {
3389 exit(1);
3390 }
3391
3392 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3393 qemu_opt_get(opts, "mount_tag") == NULL) {
3394 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3395 exit(1);
3396 }
3397 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3398 qemu_opt_get(opts, "mount_tag"),
3399 1, NULL);
3400 if (!fsdev) {
3401 fprintf(stderr, "duplicate fsdev id: %s\n",
3402 qemu_opt_get(opts, "mount_tag"));
3403 exit(1);
3404 }
3405
3406 writeout = qemu_opt_get(opts, "writeout");
3407 if (writeout) {
3408 #ifdef CONFIG_SYNC_FILE_RANGE
3409 qemu_opt_set(fsdev, "writeout", writeout);
3410 #else
3411 fprintf(stderr, "writeout=immediate not supported on "
3412 "this platform\n");
3413 exit(1);
3414 #endif
3415 }
3416 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3417 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3418 qemu_opt_set(fsdev, "security_model",
3419 qemu_opt_get(opts, "security_model"));
3420 socket = qemu_opt_get(opts, "socket");
3421 if (socket) {
3422 qemu_opt_set(fsdev, "socket", socket);
3423 }
3424 sock_fd = qemu_opt_get(opts, "sock_fd");
3425 if (sock_fd) {
3426 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3427 }
3428
3429 qemu_opt_set_bool(fsdev, "readonly",
3430 qemu_opt_get_bool(opts, "readonly", 0));
3431 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3432 &error_abort);
3433 qemu_opt_set(device, "driver", "virtio-9p-pci");
3434 qemu_opt_set(device, "fsdev",
3435 qemu_opt_get(opts, "mount_tag"));
3436 qemu_opt_set(device, "mount_tag",
3437 qemu_opt_get(opts, "mount_tag"));
3438 break;
3439 }
3440 case QEMU_OPTION_virtfs_synth: {
3441 QemuOpts *fsdev;
3442 QemuOpts *device;
3443
3444 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3445 1, NULL);
3446 if (!fsdev) {
3447 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3448 exit(1);
3449 }
3450 qemu_opt_set(fsdev, "fsdriver", "synth");
3451
3452 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3453 &error_abort);
3454 qemu_opt_set(device, "driver", "virtio-9p-pci");
3455 qemu_opt_set(device, "fsdev", "v_synth");
3456 qemu_opt_set(device, "mount_tag", "v_synth");
3457 break;
3458 }
3459 case QEMU_OPTION_serial:
3460 add_device_config(DEV_SERIAL, optarg);
3461 default_serial = 0;
3462 if (strncmp(optarg, "mon:", 4) == 0) {
3463 default_monitor = 0;
3464 }
3465 break;
3466 case QEMU_OPTION_watchdog:
3467 if (watchdog) {
3468 fprintf(stderr,
3469 "qemu: only one watchdog option may be given\n");
3470 return 1;
3471 }
3472 watchdog = optarg;
3473 break;
3474 case QEMU_OPTION_watchdog_action:
3475 if (select_watchdog_action(optarg) == -1) {
3476 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3477 exit(1);
3478 }