spapr: Fix return value of vga initialization
[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 has_defaults = 1;
217 static int default_serial = 1;
218 static int default_parallel = 1;
219 static int default_virtcon = 1;
220 static int default_sclp = 1;
221 static int default_monitor = 1;
222 static int default_floppy = 1;
223 static int default_cdrom = 1;
224 static int default_sdcard = 1;
225 static int default_vga = 1;
226
227 static struct {
228 const char *driver;
229 int *flag;
230 } default_list[] = {
231 { .driver = "isa-serial", .flag = &default_serial },
232 { .driver = "isa-parallel", .flag = &default_parallel },
233 { .driver = "isa-fdc", .flag = &default_floppy },
234 { .driver = "ide-cd", .flag = &default_cdrom },
235 { .driver = "ide-hd", .flag = &default_cdrom },
236 { .driver = "ide-drive", .flag = &default_cdrom },
237 { .driver = "scsi-cd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
240 { .driver = "virtio-serial", .flag = &default_virtcon },
241 { .driver = "VGA", .flag = &default_vga },
242 { .driver = "isa-vga", .flag = &default_vga },
243 { .driver = "cirrus-vga", .flag = &default_vga },
244 { .driver = "isa-cirrus-vga", .flag = &default_vga },
245 { .driver = "vmware-svga", .flag = &default_vga },
246 { .driver = "qxl-vga", .flag = &default_vga },
247 };
248
249 static QemuOptsList qemu_rtc_opts = {
250 .name = "rtc",
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .desc = {
253 {
254 .name = "base",
255 .type = QEMU_OPT_STRING,
256 },{
257 .name = "clock",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "driftfix",
261 .type = QEMU_OPT_STRING,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_sandbox_opts = {
268 .name = "sandbox",
269 .implied_opt_name = "enable",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
271 .desc = {
272 {
273 .name = "enable",
274 .type = QEMU_OPT_BOOL,
275 },
276 { /* end of list */ }
277 },
278 };
279
280 static QemuOptsList qemu_trace_opts = {
281 .name = "trace",
282 .implied_opt_name = "trace",
283 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
284 .desc = {
285 {
286 .name = "events",
287 .type = QEMU_OPT_STRING,
288 },{
289 .name = "file",
290 .type = QEMU_OPT_STRING,
291 },
292 { /* end of list */ }
293 },
294 };
295
296 static QemuOptsList qemu_option_rom_opts = {
297 .name = "option-rom",
298 .implied_opt_name = "romfile",
299 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
300 .desc = {
301 {
302 .name = "bootindex",
303 .type = QEMU_OPT_NUMBER,
304 }, {
305 .name = "romfile",
306 .type = QEMU_OPT_STRING,
307 },
308 { /* end of list */ }
309 },
310 };
311
312 static QemuOptsList qemu_machine_opts = {
313 .name = "machine",
314 .implied_opt_name = "type",
315 .merge_lists = true,
316 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
317 .desc = {
318 {
319 .name = "type",
320 .type = QEMU_OPT_STRING,
321 .help = "emulated machine"
322 }, {
323 .name = "accel",
324 .type = QEMU_OPT_STRING,
325 .help = "accelerator list",
326 }, {
327 .name = "kernel_irqchip",
328 .type = QEMU_OPT_BOOL,
329 .help = "use KVM in-kernel irqchip",
330 }, {
331 .name = "kvm_shadow_mem",
332 .type = QEMU_OPT_SIZE,
333 .help = "KVM shadow MMU size",
334 }, {
335 .name = "kernel",
336 .type = QEMU_OPT_STRING,
337 .help = "Linux kernel image file",
338 }, {
339 .name = "initrd",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux initial ramdisk file",
342 }, {
343 .name = "append",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux kernel command line",
346 }, {
347 .name = "dtb",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux kernel device tree file",
350 }, {
351 .name = "dumpdtb",
352 .type = QEMU_OPT_STRING,
353 .help = "Dump current dtb to a file and quit",
354 }, {
355 .name = "phandle_start",
356 .type = QEMU_OPT_NUMBER,
357 .help = "The first phandle ID we may generate dynamically",
358 }, {
359 .name = "dt_compatible",
360 .type = QEMU_OPT_STRING,
361 .help = "Overrides the \"compatible\" property of the dt root node",
362 }, {
363 .name = "dump-guest-core",
364 .type = QEMU_OPT_BOOL,
365 .help = "Include guest memory in a core dump",
366 }, {
367 .name = "mem-merge",
368 .type = QEMU_OPT_BOOL,
369 .help = "enable/disable memory merge support",
370 },{
371 .name = "usb",
372 .type = QEMU_OPT_BOOL,
373 .help = "Set on/off to enable/disable usb",
374 },{
375 .name = "firmware",
376 .type = QEMU_OPT_STRING,
377 .help = "firmware image",
378 },{
379 .name = "kvm-type",
380 .type = QEMU_OPT_STRING,
381 .help = "Specifies the KVM virtualization mode (HV, PR)",
382 },
383 { /* End of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_boot_opts = {
388 .name = "boot-opts",
389 .implied_opt_name = "order",
390 .merge_lists = true,
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
392 .desc = {
393 {
394 .name = "order",
395 .type = QEMU_OPT_STRING,
396 }, {
397 .name = "once",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "menu",
401 .type = QEMU_OPT_BOOL,
402 }, {
403 .name = "splash",
404 .type = QEMU_OPT_STRING,
405 }, {
406 .name = "splash-time",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "reboot-timeout",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "strict",
413 .type = QEMU_OPT_BOOL,
414 },
415 { /*End of list */ }
416 },
417 };
418
419 static QemuOptsList qemu_add_fd_opts = {
420 .name = "add-fd",
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
422 .desc = {
423 {
424 .name = "fd",
425 .type = QEMU_OPT_NUMBER,
426 .help = "file descriptor of which a duplicate is added to fd set",
427 },{
428 .name = "set",
429 .type = QEMU_OPT_NUMBER,
430 .help = "ID of the fd set to add fd to",
431 },{
432 .name = "opaque",
433 .type = QEMU_OPT_STRING,
434 .help = "free-form string used to describe fd",
435 },
436 { /* end of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_object_opts = {
441 .name = "object",
442 .implied_opt_name = "qom-type",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
444 .desc = {
445 { }
446 },
447 };
448
449 static QemuOptsList qemu_tpmdev_opts = {
450 .name = "tpmdev",
451 .implied_opt_name = "type",
452 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
453 .desc = {
454 /* options are defined in the TPM backends */
455 { /* end of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_realtime_opts = {
460 .name = "realtime",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
462 .desc = {
463 {
464 .name = "mlock",
465 .type = QEMU_OPT_BOOL,
466 },
467 { /* end of list */ }
468 },
469 };
470
471 static QemuOptsList qemu_msg_opts = {
472 .name = "msg",
473 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
474 .desc = {
475 {
476 .name = "timestamp",
477 .type = QEMU_OPT_BOOL,
478 },
479 { /* end of list */ }
480 },
481 };
482
483 static QemuOptsList qemu_name_opts = {
484 .name = "name",
485 .implied_opt_name = "guest",
486 .merge_lists = true,
487 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
488 .desc = {
489 {
490 .name = "guest",
491 .type = QEMU_OPT_STRING,
492 .help = "Sets the name of the guest.\n"
493 "This name will be displayed in the SDL window caption.\n"
494 "The name will also be used for the VNC server",
495 }, {
496 .name = "process",
497 .type = QEMU_OPT_STRING,
498 .help = "Sets the name of the QEMU process, as shown in top etc",
499 }, {
500 .name = "debug-threads",
501 .type = QEMU_OPT_BOOL,
502 .help = "When enabled, name the individual threads; defaults off.\n"
503 "NOTE: The thread names are for debugging and not a\n"
504 "stable API.",
505 },
506 { /* End of list */ }
507 },
508 };
509
510 /**
511 * Get machine options
512 *
513 * Returns: machine options (never null).
514 */
515 QemuOpts *qemu_get_machine_opts(void)
516 {
517 QemuOptsList *list;
518 QemuOpts *opts;
519
520 list = qemu_find_opts("machine");
521 assert(list);
522 opts = qemu_opts_find(list, NULL);
523 if (!opts) {
524 opts = qemu_opts_create(list, NULL, 0, &error_abort);
525 }
526 return opts;
527 }
528
529 const char *qemu_get_vm_name(void)
530 {
531 return qemu_name;
532 }
533
534 static void res_free(void)
535 {
536 if (boot_splash_filedata != NULL) {
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
539 }
540 }
541
542 static int default_driver_check(QemuOpts *opts, void *opaque)
543 {
544 const char *driver = qemu_opt_get(opts, "driver");
545 int i;
546
547 if (!driver)
548 return 0;
549 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
550 if (strcmp(default_list[i].driver, driver) != 0)
551 continue;
552 *(default_list[i].flag) = 0;
553 }
554 return 0;
555 }
556
557 /***********************************************************/
558 /* QEMU state */
559
560 static RunState current_run_state = RUN_STATE_PRELAUNCH;
561
562 typedef struct {
563 RunState from;
564 RunState to;
565 } RunStateTransition;
566
567 static const RunStateTransition runstate_transitions_def[] = {
568 /* from -> to */
569 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
570 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
571
572 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
573 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
574
575 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
576 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
577
578 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
579 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
580
581 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
582 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
583
584 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
585 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
588 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
590
591 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
593
594 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
595
596 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
597 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
598 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
599 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
600 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
602 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
603 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
604 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
605 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
606
607 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
608
609 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
610 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
611
612 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
613 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
614 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
615 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
616
617 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
618 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
621 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_MAX, RUN_STATE_MAX },
624 };
625
626 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
627
628 bool runstate_check(RunState state)
629 {
630 return current_run_state == state;
631 }
632
633 static void runstate_init(void)
634 {
635 const RunStateTransition *p;
636
637 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
638
639 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
640 runstate_valid_transitions[p->from][p->to] = true;
641 }
642 }
643
644 /* This function will abort() on invalid state transitions */
645 void runstate_set(RunState new_state)
646 {
647 assert(new_state < RUN_STATE_MAX);
648
649 if (!runstate_valid_transitions[current_run_state][new_state]) {
650 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
651 RunState_lookup[current_run_state],
652 RunState_lookup[new_state]);
653 abort();
654 }
655 trace_runstate_set(new_state);
656 current_run_state = new_state;
657 }
658
659 int runstate_is_running(void)
660 {
661 return runstate_check(RUN_STATE_RUNNING);
662 }
663
664 bool runstate_needs_reset(void)
665 {
666 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
667 runstate_check(RUN_STATE_SHUTDOWN);
668 }
669
670 StatusInfo *qmp_query_status(Error **errp)
671 {
672 StatusInfo *info = g_malloc0(sizeof(*info));
673
674 info->running = runstate_is_running();
675 info->singlestep = singlestep;
676 info->status = current_run_state;
677
678 return info;
679 }
680
681 /***********************************************************/
682 /* real time host monotonic timer */
683
684 /***********************************************************/
685 /* host time/date access */
686 void qemu_get_timedate(struct tm *tm, int offset)
687 {
688 time_t ti;
689
690 time(&ti);
691 ti += offset;
692 if (rtc_date_offset == -1) {
693 if (rtc_utc)
694 gmtime_r(&ti, tm);
695 else
696 localtime_r(&ti, tm);
697 } else {
698 ti -= rtc_date_offset;
699 gmtime_r(&ti, tm);
700 }
701 }
702
703 int qemu_timedate_diff(struct tm *tm)
704 {
705 time_t seconds;
706
707 if (rtc_date_offset == -1)
708 if (rtc_utc)
709 seconds = mktimegm(tm);
710 else {
711 struct tm tmp = *tm;
712 tmp.tm_isdst = -1; /* use timezone to figure it out */
713 seconds = mktime(&tmp);
714 }
715 else
716 seconds = mktimegm(tm) + rtc_date_offset;
717
718 return seconds - time(NULL);
719 }
720
721 void rtc_change_mon_event(struct tm *tm)
722 {
723 QObject *data;
724
725 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
726 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
727 qobject_decref(data);
728 }
729
730 static void configure_rtc_date_offset(const char *startdate, int legacy)
731 {
732 time_t rtc_start_date;
733 struct tm tm;
734
735 if (!strcmp(startdate, "now") && legacy) {
736 rtc_date_offset = -1;
737 } else {
738 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
739 &tm.tm_year,
740 &tm.tm_mon,
741 &tm.tm_mday,
742 &tm.tm_hour,
743 &tm.tm_min,
744 &tm.tm_sec) == 6) {
745 /* OK */
746 } else if (sscanf(startdate, "%d-%d-%d",
747 &tm.tm_year,
748 &tm.tm_mon,
749 &tm.tm_mday) == 3) {
750 tm.tm_hour = 0;
751 tm.tm_min = 0;
752 tm.tm_sec = 0;
753 } else {
754 goto date_fail;
755 }
756 tm.tm_year -= 1900;
757 tm.tm_mon--;
758 rtc_start_date = mktimegm(&tm);
759 if (rtc_start_date == -1) {
760 date_fail:
761 fprintf(stderr, "Invalid date format. Valid formats are:\n"
762 "'2006-06-17T16:01:21' or '2006-06-17'\n");
763 exit(1);
764 }
765 rtc_date_offset = time(NULL) - rtc_start_date;
766 }
767 }
768
769 static void configure_rtc(QemuOpts *opts)
770 {
771 const char *value;
772
773 value = qemu_opt_get(opts, "base");
774 if (value) {
775 if (!strcmp(value, "utc")) {
776 rtc_utc = 1;
777 } else if (!strcmp(value, "localtime")) {
778 rtc_utc = 0;
779 } else {
780 configure_rtc_date_offset(value, 0);
781 }
782 }
783 value = qemu_opt_get(opts, "clock");
784 if (value) {
785 if (!strcmp(value, "host")) {
786 rtc_clock = QEMU_CLOCK_HOST;
787 } else if (!strcmp(value, "rt")) {
788 rtc_clock = QEMU_CLOCK_REALTIME;
789 } else if (!strcmp(value, "vm")) {
790 rtc_clock = QEMU_CLOCK_VIRTUAL;
791 } else {
792 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
793 exit(1);
794 }
795 }
796 value = qemu_opt_get(opts, "driftfix");
797 if (value) {
798 if (!strcmp(value, "slew")) {
799 static GlobalProperty slew_lost_ticks[] = {
800 {
801 .driver = "mc146818rtc",
802 .property = "lost_tick_policy",
803 .value = "slew",
804 },
805 { /* end of list */ }
806 };
807
808 qdev_prop_register_global_list(slew_lost_ticks);
809 } else if (!strcmp(value, "none")) {
810 /* discard is default */
811 } else {
812 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
813 exit(1);
814 }
815 }
816 }
817
818 /***********************************************************/
819 /* Bluetooth support */
820 static int nb_hcis;
821 static int cur_hci;
822 static struct HCIInfo *hci_table[MAX_NICS];
823
824 struct HCIInfo *qemu_next_hci(void)
825 {
826 if (cur_hci == nb_hcis)
827 return &null_hci;
828
829 return hci_table[cur_hci++];
830 }
831
832 static int bt_hci_parse(const char *str)
833 {
834 struct HCIInfo *hci;
835 bdaddr_t bdaddr;
836
837 if (nb_hcis >= MAX_NICS) {
838 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
839 return -1;
840 }
841
842 hci = hci_init(str);
843 if (!hci)
844 return -1;
845
846 bdaddr.b[0] = 0x52;
847 bdaddr.b[1] = 0x54;
848 bdaddr.b[2] = 0x00;
849 bdaddr.b[3] = 0x12;
850 bdaddr.b[4] = 0x34;
851 bdaddr.b[5] = 0x56 + nb_hcis;
852 hci->bdaddr_set(hci, bdaddr.b);
853
854 hci_table[nb_hcis++] = hci;
855
856 return 0;
857 }
858
859 static void bt_vhci_add(int vlan_id)
860 {
861 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
862
863 if (!vlan->slave)
864 fprintf(stderr, "qemu: warning: adding a VHCI to "
865 "an empty scatternet %i\n", vlan_id);
866
867 bt_vhci_init(bt_new_hci(vlan));
868 }
869
870 static struct bt_device_s *bt_device_add(const char *opt)
871 {
872 struct bt_scatternet_s *vlan;
873 int vlan_id = 0;
874 char *endp = strstr(opt, ",vlan=");
875 int len = (endp ? endp - opt : strlen(opt)) + 1;
876 char devname[10];
877
878 pstrcpy(devname, MIN(sizeof(devname), len), opt);
879
880 if (endp) {
881 vlan_id = strtol(endp + 6, &endp, 0);
882 if (*endp) {
883 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
884 return 0;
885 }
886 }
887
888 vlan = qemu_find_bt_vlan(vlan_id);
889
890 if (!vlan->slave)
891 fprintf(stderr, "qemu: warning: adding a slave device to "
892 "an empty scatternet %i\n", vlan_id);
893
894 if (!strcmp(devname, "keyboard"))
895 return bt_keyboard_init(vlan);
896
897 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
898 return 0;
899 }
900
901 static int bt_parse(const char *opt)
902 {
903 const char *endp, *p;
904 int vlan;
905
906 if (strstart(opt, "hci", &endp)) {
907 if (!*endp || *endp == ',') {
908 if (*endp)
909 if (!strstart(endp, ",vlan=", 0))
910 opt = endp + 1;
911
912 return bt_hci_parse(opt);
913 }
914 } else if (strstart(opt, "vhci", &endp)) {
915 if (!*endp || *endp == ',') {
916 if (*endp) {
917 if (strstart(endp, ",vlan=", &p)) {
918 vlan = strtol(p, (char **) &endp, 0);
919 if (*endp) {
920 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
921 return 1;
922 }
923 } else {
924 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
925 return 1;
926 }
927 } else
928 vlan = 0;
929
930 bt_vhci_add(vlan);
931 return 0;
932 }
933 } else if (strstart(opt, "device:", &endp))
934 return !bt_device_add(endp);
935
936 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
937 return 1;
938 }
939
940 static int parse_sandbox(QemuOpts *opts, void *opaque)
941 {
942 /* FIXME: change this to true for 1.3 */
943 if (qemu_opt_get_bool(opts, "enable", false)) {
944 #ifdef CONFIG_SECCOMP
945 if (seccomp_start() < 0) {
946 qerror_report(ERROR_CLASS_GENERIC_ERROR,
947 "failed to install seccomp syscall filter in the kernel");
948 return -1;
949 }
950 #else
951 qerror_report(ERROR_CLASS_GENERIC_ERROR,
952 "sandboxing request but seccomp is not compiled into this build");
953 return -1;
954 #endif
955 }
956
957 return 0;
958 }
959
960 static void parse_name(QemuOpts *opts)
961 {
962 const char *proc_name;
963
964 if (qemu_opt_get(opts, "debug-threads")) {
965 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
966 }
967 qemu_name = qemu_opt_get(opts, "guest");
968
969 proc_name = qemu_opt_get(opts, "process");
970 if (proc_name) {
971 os_set_proc_name(proc_name);
972 }
973 }
974
975 bool usb_enabled(bool default_usb)
976 {
977 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
978 has_defaults && default_usb);
979 }
980
981 #ifndef _WIN32
982 static int parse_add_fd(QemuOpts *opts, void *opaque)
983 {
984 int fd, dupfd, flags;
985 int64_t fdset_id;
986 const char *fd_opaque = NULL;
987
988 fd = qemu_opt_get_number(opts, "fd", -1);
989 fdset_id = qemu_opt_get_number(opts, "set", -1);
990 fd_opaque = qemu_opt_get(opts, "opaque");
991
992 if (fd < 0) {
993 qerror_report(ERROR_CLASS_GENERIC_ERROR,
994 "fd option is required and must be non-negative");
995 return -1;
996 }
997
998 if (fd <= STDERR_FILENO) {
999 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1000 "fd cannot be a standard I/O stream");
1001 return -1;
1002 }
1003
1004 /*
1005 * All fds inherited across exec() necessarily have FD_CLOEXEC
1006 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1007 */
1008 flags = fcntl(fd, F_GETFD);
1009 if (flags == -1 || (flags & FD_CLOEXEC)) {
1010 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1011 "fd is not valid or already in use");
1012 return -1;
1013 }
1014
1015 if (fdset_id < 0) {
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "set option is required and must be non-negative");
1018 return -1;
1019 }
1020
1021 #ifdef F_DUPFD_CLOEXEC
1022 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1023 #else
1024 dupfd = dup(fd);
1025 if (dupfd != -1) {
1026 qemu_set_cloexec(dupfd);
1027 }
1028 #endif
1029 if (dupfd == -1) {
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031 "Error duplicating fd: %s", strerror(errno));
1032 return -1;
1033 }
1034
1035 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1036 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1037 fd_opaque, NULL);
1038
1039 return 0;
1040 }
1041
1042 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1043 {
1044 int fd;
1045
1046 fd = qemu_opt_get_number(opts, "fd", -1);
1047 close(fd);
1048
1049 return 0;
1050 }
1051 #endif
1052
1053 /***********************************************************/
1054 /* QEMU Block devices */
1055
1056 #define HD_OPTS "media=disk"
1057 #define CDROM_OPTS "media=cdrom"
1058 #define FD_OPTS ""
1059 #define PFLASH_OPTS ""
1060 #define MTD_OPTS ""
1061 #define SD_OPTS ""
1062
1063 static int drive_init_func(QemuOpts *opts, void *opaque)
1064 {
1065 BlockInterfaceType *block_default_type = opaque;
1066
1067 return drive_init(opts, *block_default_type) == NULL;
1068 }
1069
1070 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1071 {
1072 if (NULL == qemu_opt_get(opts, "snapshot")) {
1073 qemu_opt_set(opts, "snapshot", "on");
1074 }
1075 return 0;
1076 }
1077
1078 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1079 int index, const char *optstr)
1080 {
1081 QemuOpts *opts;
1082
1083 if (!enable || drive_get_by_index(type, index)) {
1084 return;
1085 }
1086
1087 opts = drive_add(type, index, NULL, optstr);
1088 if (snapshot) {
1089 drive_enable_snapshot(opts, NULL);
1090 }
1091 if (!drive_init(opts, type)) {
1092 exit(1);
1093 }
1094 }
1095
1096 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1097 {
1098 boot_set_handler = func;
1099 boot_set_opaque = opaque;
1100 }
1101
1102 int qemu_boot_set(const char *boot_order)
1103 {
1104 if (!boot_set_handler) {
1105 return -EINVAL;
1106 }
1107 return boot_set_handler(boot_set_opaque, boot_order);
1108 }
1109
1110 static void validate_bootdevices(const char *devices)
1111 {
1112 /* We just do some generic consistency checks */
1113 const char *p;
1114 int bitmap = 0;
1115
1116 for (p = devices; *p != '\0'; p++) {
1117 /* Allowed boot devices are:
1118 * a-b: floppy disk drives
1119 * c-f: IDE disk drives
1120 * g-m: machine implementation dependent drives
1121 * n-p: network devices
1122 * It's up to each machine implementation to check if the given boot
1123 * devices match the actual hardware implementation and firmware
1124 * features.
1125 */
1126 if (*p < 'a' || *p > 'p') {
1127 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1128 exit(1);
1129 }
1130 if (bitmap & (1 << (*p - 'a'))) {
1131 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1132 exit(1);
1133 }
1134 bitmap |= 1 << (*p - 'a');
1135 }
1136 }
1137
1138 static void restore_boot_order(void *opaque)
1139 {
1140 char *normal_boot_order = opaque;
1141 static int first = 1;
1142
1143 /* Restore boot order and remove ourselves after the first boot */
1144 if (first) {
1145 first = 0;
1146 return;
1147 }
1148
1149 qemu_boot_set(normal_boot_order);
1150
1151 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1152 g_free(normal_boot_order);
1153 }
1154
1155 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1156 const char *suffix)
1157 {
1158 FWBootEntry *node, *i;
1159
1160 if (bootindex < 0) {
1161 return;
1162 }
1163
1164 assert(dev != NULL || suffix != NULL);
1165
1166 node = g_malloc0(sizeof(FWBootEntry));
1167 node->bootindex = bootindex;
1168 node->suffix = g_strdup(suffix);
1169 node->dev = dev;
1170
1171 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1172 if (i->bootindex == bootindex) {
1173 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1174 exit(1);
1175 } else if (i->bootindex < bootindex) {
1176 continue;
1177 }
1178 QTAILQ_INSERT_BEFORE(i, node, link);
1179 return;
1180 }
1181 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1182 }
1183
1184 DeviceState *get_boot_device(uint32_t position)
1185 {
1186 uint32_t counter = 0;
1187 FWBootEntry *i = NULL;
1188 DeviceState *res = NULL;
1189
1190 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1191 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1192 if (counter == position) {
1193 res = i->dev;
1194 break;
1195 }
1196 counter++;
1197 }
1198 }
1199 return res;
1200 }
1201
1202 /*
1203 * This function returns null terminated string that consist of new line
1204 * separated device paths.
1205 *
1206 * memory pointed by "size" is assigned total length of the array in bytes
1207 *
1208 */
1209 char *get_boot_devices_list(size_t *size)
1210 {
1211 FWBootEntry *i;
1212 size_t total = 0;
1213 char *list = NULL;
1214
1215 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1216 char *devpath = NULL, *bootpath;
1217 size_t len;
1218
1219 if (i->dev) {
1220 devpath = qdev_get_fw_dev_path(i->dev);
1221 assert(devpath);
1222 }
1223
1224 if (i->suffix && devpath) {
1225 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1226
1227 bootpath = g_malloc(bootpathlen);
1228 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1229 g_free(devpath);
1230 } else if (devpath) {
1231 bootpath = devpath;
1232 } else {
1233 assert(i->suffix);
1234 bootpath = g_strdup(i->suffix);
1235 }
1236
1237 if (total) {
1238 list[total-1] = '\n';
1239 }
1240 len = strlen(bootpath) + 1;
1241 list = g_realloc(list, total + len);
1242 memcpy(&list[total], bootpath, len);
1243 total += len;
1244 g_free(bootpath);
1245 }
1246
1247 *size = total;
1248
1249 if (boot_strict && *size > 0) {
1250 list[total-1] = '\n';
1251 list = g_realloc(list, total + 5);
1252 memcpy(&list[total], "HALT", 5);
1253 *size = total + 5;
1254 }
1255 return list;
1256 }
1257
1258 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1259 {
1260 char *endptr;
1261 unsigned long long value, endvalue;
1262
1263 /* Empty CPU range strings will be considered valid, they will simply
1264 * not set any bit in the CPU bitmap.
1265 */
1266 if (!*cpus) {
1267 return;
1268 }
1269
1270 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1271 goto error;
1272 }
1273 if (*endptr == '-') {
1274 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1275 goto error;
1276 }
1277 } else if (*endptr == '\0') {
1278 endvalue = value;
1279 } else {
1280 goto error;
1281 }
1282
1283 if (endvalue >= MAX_CPUMASK_BITS) {
1284 endvalue = MAX_CPUMASK_BITS - 1;
1285 fprintf(stderr,
1286 "qemu: NUMA: A max of %d VCPUs are supported\n",
1287 MAX_CPUMASK_BITS);
1288 }
1289
1290 if (endvalue < value) {
1291 goto error;
1292 }
1293
1294 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1295 return;
1296
1297 error:
1298 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1299 exit(1);
1300 }
1301
1302 static void numa_add(const char *optarg)
1303 {
1304 char option[128];
1305 char *endptr;
1306 unsigned long long nodenr;
1307
1308 optarg = get_opt_name(option, 128, optarg, ',');
1309 if (*optarg == ',') {
1310 optarg++;
1311 }
1312 if (!strcmp(option, "node")) {
1313
1314 if (nb_numa_nodes >= MAX_NODES) {
1315 fprintf(stderr, "qemu: too many NUMA nodes\n");
1316 exit(1);
1317 }
1318
1319 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1320 nodenr = nb_numa_nodes;
1321 } else {
1322 if (parse_uint_full(option, &nodenr, 10) < 0) {
1323 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1324 exit(1);
1325 }
1326 }
1327
1328 if (nodenr >= MAX_NODES) {
1329 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1330 exit(1);
1331 }
1332
1333 if (get_param_value(option, 128, "mem", optarg) == 0) {
1334 node_mem[nodenr] = 0;
1335 } else {
1336 int64_t sval;
1337 sval = strtosz(option, &endptr);
1338 if (sval < 0 || *endptr) {
1339 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1340 exit(1);
1341 }
1342 node_mem[nodenr] = sval;
1343 }
1344 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1345 numa_node_parse_cpus(nodenr, option);
1346 }
1347 nb_numa_nodes++;
1348 } else {
1349 fprintf(stderr, "Invalid -numa option: %s\n", option);
1350 exit(1);
1351 }
1352 }
1353
1354 static QemuOptsList qemu_smp_opts = {
1355 .name = "smp-opts",
1356 .implied_opt_name = "cpus",
1357 .merge_lists = true,
1358 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1359 .desc = {
1360 {
1361 .name = "cpus",
1362 .type = QEMU_OPT_NUMBER,
1363 }, {
1364 .name = "sockets",
1365 .type = QEMU_OPT_NUMBER,
1366 }, {
1367 .name = "cores",
1368 .type = QEMU_OPT_NUMBER,
1369 }, {
1370 .name = "threads",
1371 .type = QEMU_OPT_NUMBER,
1372 }, {
1373 .name = "maxcpus",
1374 .type = QEMU_OPT_NUMBER,
1375 },
1376 { /*End of list */ }
1377 },
1378 };
1379
1380 static void smp_parse(QemuOpts *opts)
1381 {
1382 if (opts) {
1383
1384 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1385 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1386 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1387 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1388
1389 /* compute missing values, prefer sockets over cores over threads */
1390 if (cpus == 0 || sockets == 0) {
1391 sockets = sockets > 0 ? sockets : 1;
1392 cores = cores > 0 ? cores : 1;
1393 threads = threads > 0 ? threads : 1;
1394 if (cpus == 0) {
1395 cpus = cores * threads * sockets;
1396 }
1397 } else {
1398 if (cores == 0) {
1399 threads = threads > 0 ? threads : 1;
1400 cores = cpus / (sockets * threads);
1401 } else {
1402 threads = cpus / (cores * sockets);
1403 }
1404 }
1405
1406 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1407
1408 smp_cpus = cpus;
1409 smp_cores = cores > 0 ? cores : 1;
1410 smp_threads = threads > 0 ? threads : 1;
1411
1412 }
1413
1414 if (max_cpus == 0) {
1415 max_cpus = smp_cpus;
1416 }
1417
1418 if (max_cpus > 255) {
1419 fprintf(stderr, "Unsupported number of maxcpus\n");
1420 exit(1);
1421 }
1422 if (max_cpus < smp_cpus) {
1423 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1424 exit(1);
1425 }
1426
1427 }
1428
1429 static void configure_realtime(QemuOpts *opts)
1430 {
1431 bool enable_mlock;
1432
1433 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1434
1435 if (enable_mlock) {
1436 if (os_mlock() < 0) {
1437 fprintf(stderr, "qemu: locking memory failed\n");
1438 exit(1);
1439 }
1440 }
1441 }
1442
1443
1444 static void configure_msg(QemuOpts *opts)
1445 {
1446 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1447 }
1448
1449 /***********************************************************/
1450 /* USB devices */
1451
1452 static int usb_device_add(const char *devname)
1453 {
1454 USBDevice *dev = NULL;
1455 #ifndef CONFIG_LINUX
1456 const char *p;
1457 #endif
1458
1459 if (!usb_enabled(false)) {
1460 return -1;
1461 }
1462
1463 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1464 dev = usbdevice_create(devname);
1465 if (dev)
1466 goto done;
1467
1468 /* the other ones */
1469 #ifndef CONFIG_LINUX
1470 /* only the linux version is qdev-ified, usb-bsd still needs this */
1471 if (strstart(devname, "host:", &p)) {
1472 dev = usb_host_device_open(usb_bus_find(-1), p);
1473 }
1474 #endif
1475 if (!dev)
1476 return -1;
1477
1478 done:
1479 return 0;
1480 }
1481
1482 static int usb_device_del(const char *devname)
1483 {
1484 int bus_num, addr;
1485 const char *p;
1486
1487 if (strstart(devname, "host:", &p)) {
1488 return -1;
1489 }
1490
1491 if (!usb_enabled(false)) {
1492 return -1;
1493 }
1494
1495 p = strchr(devname, '.');
1496 if (!p)
1497 return -1;
1498 bus_num = strtoul(devname, NULL, 0);
1499 addr = strtoul(p + 1, NULL, 0);
1500
1501 return usb_device_delete_addr(bus_num, addr);
1502 }
1503
1504 static int usb_parse(const char *cmdline)
1505 {
1506 int r;
1507 r = usb_device_add(cmdline);
1508 if (r < 0) {
1509 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1510 }
1511 return r;
1512 }
1513
1514 void do_usb_add(Monitor *mon, const QDict *qdict)
1515 {
1516 const char *devname = qdict_get_str(qdict, "devname");
1517 if (usb_device_add(devname) < 0) {
1518 error_report("could not add USB device '%s'", devname);
1519 }
1520 }
1521
1522 void do_usb_del(Monitor *mon, const QDict *qdict)
1523 {
1524 const char *devname = qdict_get_str(qdict, "devname");
1525 if (usb_device_del(devname) < 0) {
1526 error_report("could not delete USB device '%s'", devname);
1527 }
1528 }
1529
1530 /***********************************************************/
1531 /* PCMCIA/Cardbus */
1532
1533 static struct pcmcia_socket_entry_s {
1534 PCMCIASocket *socket;
1535 struct pcmcia_socket_entry_s *next;
1536 } *pcmcia_sockets = 0;
1537
1538 void pcmcia_socket_register(PCMCIASocket *socket)
1539 {
1540 struct pcmcia_socket_entry_s *entry;
1541
1542 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1543 entry->socket = socket;
1544 entry->next = pcmcia_sockets;
1545 pcmcia_sockets = entry;
1546 }
1547
1548 void pcmcia_socket_unregister(PCMCIASocket *socket)
1549 {
1550 struct pcmcia_socket_entry_s *entry, **ptr;
1551
1552 ptr = &pcmcia_sockets;
1553 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1554 if (entry->socket == socket) {
1555 *ptr = entry->next;
1556 g_free(entry);
1557 }
1558 }
1559
1560 void pcmcia_info(Monitor *mon, const QDict *qdict)
1561 {
1562 struct pcmcia_socket_entry_s *iter;
1563
1564 if (!pcmcia_sockets)
1565 monitor_printf(mon, "No PCMCIA sockets\n");
1566
1567 for (iter = pcmcia_sockets; iter; iter = iter->next)
1568 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1569 iter->socket->attached ? iter->socket->card_string :
1570 "Empty");
1571 }
1572
1573 /***********************************************************/
1574 /* machine registration */
1575
1576 MachineState *current_machine;
1577
1578 static void machine_class_init(ObjectClass *oc, void *data)
1579 {
1580 MachineClass *mc = MACHINE_CLASS(oc);
1581
1582 mc->qemu_machine = data;
1583 }
1584
1585 int qemu_register_machine(QEMUMachine *m)
1586 {
1587 TypeInfo ti = {
1588 .name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL),
1589 .parent = TYPE_MACHINE,
1590 .class_init = machine_class_init,
1591 .class_data = (void *)m,
1592 };
1593
1594 type_register(&ti);
1595
1596 return 0;
1597 }
1598
1599 static MachineClass *find_machine(const char *name)
1600 {
1601 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1602 MachineClass *mc = NULL;
1603
1604 for (el = machines; el; el = el->next) {
1605 MachineClass *temp = el->data;
1606
1607 if (!strcmp(temp->qemu_machine->name, name)) {
1608 mc = temp;
1609 break;
1610 }
1611 if (temp->qemu_machine->alias &&
1612 !strcmp(temp->qemu_machine->alias, name)) {
1613 mc = temp;
1614 break;
1615 }
1616 }
1617
1618 g_slist_free(machines);
1619 return mc;
1620 }
1621
1622 MachineClass *find_default_machine(void)
1623 {
1624 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1625 MachineClass *mc = NULL;
1626
1627 for (el = machines; el; el = el->next) {
1628 MachineClass *temp = el->data;
1629
1630 if (temp->qemu_machine->is_default) {
1631 mc = temp;
1632 break;
1633 }
1634 }
1635
1636 g_slist_free(machines);
1637 return mc;
1638 }
1639
1640 MachineInfoList *qmp_query_machines(Error **errp)
1641 {
1642 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1643 MachineInfoList *mach_list = NULL;
1644 QEMUMachine *m;
1645
1646 for (el = machines; el; el = el->next) {
1647 MachineClass *mc = el->data;
1648 MachineInfoList *entry;
1649 MachineInfo *info;
1650
1651 m = mc->qemu_machine;
1652 info = g_malloc0(sizeof(*info));
1653 if (m->is_default) {
1654 info->has_is_default = true;
1655 info->is_default = true;
1656 }
1657
1658 if (m->alias) {
1659 info->has_alias = true;
1660 info->alias = g_strdup(m->alias);
1661 }
1662
1663 info->name = g_strdup(m->name);
1664 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1665
1666 entry = g_malloc0(sizeof(*entry));
1667 entry->value = info;
1668 entry->next = mach_list;
1669 mach_list = entry;
1670 }
1671
1672 g_slist_free(machines);
1673 return mach_list;
1674 }
1675
1676 /***********************************************************/
1677 /* main execution loop */
1678
1679 struct vm_change_state_entry {
1680 VMChangeStateHandler *cb;
1681 void *opaque;
1682 QLIST_ENTRY (vm_change_state_entry) entries;
1683 };
1684
1685 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1686
1687 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1688 void *opaque)
1689 {
1690 VMChangeStateEntry *e;
1691
1692 e = g_malloc0(sizeof (*e));
1693
1694 e->cb = cb;
1695 e->opaque = opaque;
1696 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1697 return e;
1698 }
1699
1700 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1701 {
1702 QLIST_REMOVE (e, entries);
1703 g_free (e);
1704 }
1705
1706 void vm_state_notify(int running, RunState state)
1707 {
1708 VMChangeStateEntry *e;
1709
1710 trace_vm_state_notify(running, state);
1711
1712 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1713 e->cb(e->opaque, running, state);
1714 }
1715 }
1716
1717 void vm_start(void)
1718 {
1719 if (!runstate_is_running()) {
1720 cpu_enable_ticks();
1721 runstate_set(RUN_STATE_RUNNING);
1722 vm_state_notify(1, RUN_STATE_RUNNING);
1723 resume_all_vcpus();
1724 monitor_protocol_event(QEVENT_RESUME, NULL);
1725 }
1726 }
1727
1728 /* reset/shutdown handler */
1729
1730 typedef struct QEMUResetEntry {
1731 QTAILQ_ENTRY(QEMUResetEntry) entry;
1732 QEMUResetHandler *func;
1733 void *opaque;
1734 } QEMUResetEntry;
1735
1736 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1737 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1738 static int reset_requested;
1739 static int shutdown_requested, shutdown_signal = -1;
1740 static pid_t shutdown_pid;
1741 static int powerdown_requested;
1742 static int debug_requested;
1743 static int suspend_requested;
1744 static WakeupReason wakeup_reason;
1745 static NotifierList powerdown_notifiers =
1746 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1747 static NotifierList suspend_notifiers =
1748 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1749 static NotifierList wakeup_notifiers =
1750 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1751 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1752 static RunState vmstop_requested = RUN_STATE_MAX;
1753
1754 int qemu_shutdown_requested_get(void)
1755 {
1756 return shutdown_requested;
1757 }
1758
1759 int qemu_reset_requested_get(void)
1760 {
1761 return reset_requested;
1762 }
1763
1764 static int qemu_shutdown_requested(void)
1765 {
1766 int r = shutdown_requested;
1767 shutdown_requested = 0;
1768 return r;
1769 }
1770
1771 static void qemu_kill_report(void)
1772 {
1773 if (!qtest_driver() && shutdown_signal != -1) {
1774 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1775 if (shutdown_pid == 0) {
1776 /* This happens for eg ^C at the terminal, so it's worth
1777 * avoiding printing an odd message in that case.
1778 */
1779 fputc('\n', stderr);
1780 } else {
1781 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1782 }
1783 shutdown_signal = -1;
1784 }
1785 }
1786
1787 static int qemu_reset_requested(void)
1788 {
1789 int r = reset_requested;
1790 reset_requested = 0;
1791 return r;
1792 }
1793
1794 static int qemu_suspend_requested(void)
1795 {
1796 int r = suspend_requested;
1797 suspend_requested = 0;
1798 return r;
1799 }
1800
1801 static WakeupReason qemu_wakeup_requested(void)
1802 {
1803 return wakeup_reason;
1804 }
1805
1806 static int qemu_powerdown_requested(void)
1807 {
1808 int r = powerdown_requested;
1809 powerdown_requested = 0;
1810 return r;
1811 }
1812
1813 static int qemu_debug_requested(void)
1814 {
1815 int r = debug_requested;
1816 debug_requested = 0;
1817 return r;
1818 }
1819
1820 /* We use RUN_STATE_MAX but any invalid value will do */
1821 static bool qemu_vmstop_requested(RunState *r)
1822 {
1823 if (vmstop_requested < RUN_STATE_MAX) {
1824 *r = vmstop_requested;
1825 vmstop_requested = RUN_STATE_MAX;
1826 return true;
1827 }
1828
1829 return false;
1830 }
1831
1832 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1833 {
1834 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1835
1836 re->func = func;
1837 re->opaque = opaque;
1838 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1839 }
1840
1841 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1842 {
1843 QEMUResetEntry *re;
1844
1845 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1846 if (re->func == func && re->opaque == opaque) {
1847 QTAILQ_REMOVE(&reset_handlers, re, entry);
1848 g_free(re);
1849 return;
1850 }
1851 }
1852 }
1853
1854 void qemu_devices_reset(void)
1855 {
1856 QEMUResetEntry *re, *nre;
1857
1858 /* reset all devices */
1859 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1860 re->func(re->opaque);
1861 }
1862 }
1863
1864 void qemu_system_reset(bool report)
1865 {
1866 MachineClass *mc;
1867
1868 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1869
1870 if (mc && mc->qemu_machine->reset) {
1871 mc->qemu_machine->reset();
1872 } else {
1873 qemu_devices_reset();
1874 }
1875 if (report) {
1876 monitor_protocol_event(QEVENT_RESET, NULL);
1877 }
1878 cpu_synchronize_all_post_reset();
1879 }
1880
1881 void qemu_system_reset_request(void)
1882 {
1883 if (no_reboot) {
1884 shutdown_requested = 1;
1885 } else {
1886 reset_requested = 1;
1887 }
1888 cpu_stop_current();
1889 qemu_notify_event();
1890 }
1891
1892 static void qemu_system_suspend(void)
1893 {
1894 pause_all_vcpus();
1895 notifier_list_notify(&suspend_notifiers, NULL);
1896 runstate_set(RUN_STATE_SUSPENDED);
1897 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1898 }
1899
1900 void qemu_system_suspend_request(void)
1901 {
1902 if (runstate_check(RUN_STATE_SUSPENDED)) {
1903 return;
1904 }
1905 suspend_requested = 1;
1906 cpu_stop_current();
1907 qemu_notify_event();
1908 }
1909
1910 void qemu_register_suspend_notifier(Notifier *notifier)
1911 {
1912 notifier_list_add(&suspend_notifiers, notifier);
1913 }
1914
1915 void qemu_system_wakeup_request(WakeupReason reason)
1916 {
1917 trace_system_wakeup_request(reason);
1918
1919 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1920 return;
1921 }
1922 if (!(wakeup_reason_mask & (1 << reason))) {
1923 return;
1924 }
1925 runstate_set(RUN_STATE_RUNNING);
1926 wakeup_reason = reason;
1927 qemu_notify_event();
1928 }
1929
1930 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1931 {
1932 if (enabled) {
1933 wakeup_reason_mask |= (1 << reason);
1934 } else {
1935 wakeup_reason_mask &= ~(1 << reason);
1936 }
1937 }
1938
1939 void qemu_register_wakeup_notifier(Notifier *notifier)
1940 {
1941 notifier_list_add(&wakeup_notifiers, notifier);
1942 }
1943
1944 void qemu_system_killed(int signal, pid_t pid)
1945 {
1946 shutdown_signal = signal;
1947 shutdown_pid = pid;
1948 no_shutdown = 0;
1949 qemu_system_shutdown_request();
1950 }
1951
1952 void qemu_system_shutdown_request(void)
1953 {
1954 shutdown_requested = 1;
1955 qemu_notify_event();
1956 }
1957
1958 static void qemu_system_powerdown(void)
1959 {
1960 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1961 notifier_list_notify(&powerdown_notifiers, NULL);
1962 }
1963
1964 void qemu_system_powerdown_request(void)
1965 {
1966 powerdown_requested = 1;
1967 qemu_notify_event();
1968 }
1969
1970 void qemu_register_powerdown_notifier(Notifier *notifier)
1971 {
1972 notifier_list_add(&powerdown_notifiers, notifier);
1973 }
1974
1975 void qemu_system_debug_request(void)
1976 {
1977 debug_requested = 1;
1978 qemu_notify_event();
1979 }
1980
1981 void qemu_system_vmstop_request(RunState state)
1982 {
1983 vmstop_requested = state;
1984 qemu_notify_event();
1985 }
1986
1987 static bool main_loop_should_exit(void)
1988 {
1989 RunState r;
1990 if (qemu_debug_requested()) {
1991 vm_stop(RUN_STATE_DEBUG);
1992 }
1993 if (qemu_suspend_requested()) {
1994 qemu_system_suspend();
1995 }
1996 if (qemu_shutdown_requested()) {
1997 qemu_kill_report();
1998 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1999 if (no_shutdown) {
2000 vm_stop(RUN_STATE_SHUTDOWN);
2001 } else {
2002 return true;
2003 }
2004 }
2005 if (qemu_reset_requested()) {
2006 pause_all_vcpus();
2007 cpu_synchronize_all_states();
2008 qemu_system_reset(VMRESET_REPORT);
2009 resume_all_vcpus();
2010 if (runstate_needs_reset()) {
2011 runstate_set(RUN_STATE_PAUSED);
2012 }
2013 }
2014 if (qemu_wakeup_requested()) {
2015 pause_all_vcpus();
2016 cpu_synchronize_all_states();
2017 qemu_system_reset(VMRESET_SILENT);
2018 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2019 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2020 resume_all_vcpus();
2021 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2022 }
2023 if (qemu_powerdown_requested()) {
2024 qemu_system_powerdown();
2025 }
2026 if (qemu_vmstop_requested(&r)) {
2027 vm_stop(r);
2028 }
2029 return false;
2030 }
2031
2032 static void main_loop(void)
2033 {
2034 bool nonblocking;
2035 int last_io = 0;
2036 #ifdef CONFIG_PROFILER
2037 int64_t ti;
2038 #endif
2039 do {
2040 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2041 #ifdef CONFIG_PROFILER
2042 ti = profile_getclock();
2043 #endif
2044 last_io = main_loop_wait(nonblocking);
2045 #ifdef CONFIG_PROFILER
2046 dev_time += profile_getclock() - ti;
2047 #endif
2048 } while (!main_loop_should_exit());
2049 }
2050
2051 static void version(void)
2052 {
2053 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2054 }
2055
2056 static void help(int exitcode)
2057 {
2058 version();
2059 printf("usage: %s [options] [disk_image]\n\n"
2060 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2061 error_get_progname());
2062
2063 #define QEMU_OPTIONS_GENERATE_HELP
2064 #include "qemu-options-wrapper.h"
2065
2066 printf("\nDuring emulation, the following keys are useful:\n"
2067 "ctrl-alt-f toggle full screen\n"
2068 "ctrl-alt-n switch to virtual console 'n'\n"
2069 "ctrl-alt toggle mouse and keyboard grab\n"
2070 "\n"
2071 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2072
2073 exit(exitcode);
2074 }
2075
2076 #define HAS_ARG 0x0001
2077
2078 typedef struct QEMUOption {
2079 const char *name;
2080 int flags;
2081 int index;
2082 uint32_t arch_mask;
2083 } QEMUOption;
2084
2085 static const QEMUOption qemu_options[] = {
2086 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2087 #define QEMU_OPTIONS_GENERATE_OPTIONS
2088 #include "qemu-options-wrapper.h"
2089 { NULL },
2090 };
2091
2092 static bool vga_available(void)
2093 {
2094 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2095 }
2096
2097 static bool cirrus_vga_available(void)
2098 {
2099 return object_class_by_name("cirrus-vga")
2100 || object_class_by_name("isa-cirrus-vga");
2101 }
2102
2103 static bool vmware_vga_available(void)
2104 {
2105 return object_class_by_name("vmware-svga");
2106 }
2107
2108 static bool qxl_vga_available(void)
2109 {
2110 return object_class_by_name("qxl-vga");
2111 }
2112
2113 static bool tcx_vga_available(void)
2114 {
2115 return object_class_by_name("SUNW,tcx");
2116 }
2117
2118 static bool cg3_vga_available(void)
2119 {
2120 return object_class_by_name("cgthree");
2121 }
2122
2123 static void select_vgahw (const char *p)
2124 {
2125 const char *opts;
2126
2127 assert(vga_interface_type == VGA_NONE);
2128 if (strstart(p, "std", &opts)) {
2129 if (vga_available()) {
2130 vga_interface_type = VGA_STD;
2131 } else {
2132 fprintf(stderr, "Error: standard VGA not available\n");
2133 exit(0);
2134 }
2135 } else if (strstart(p, "cirrus", &opts)) {
2136 if (cirrus_vga_available()) {
2137 vga_interface_type = VGA_CIRRUS;
2138 } else {
2139 fprintf(stderr, "Error: Cirrus VGA not available\n");
2140 exit(0);
2141 }
2142 } else if (strstart(p, "vmware", &opts)) {
2143 if (vmware_vga_available()) {
2144 vga_interface_type = VGA_VMWARE;
2145 } else {
2146 fprintf(stderr, "Error: VMWare SVGA not available\n");
2147 exit(0);
2148 }
2149 } else if (strstart(p, "xenfb", &opts)) {
2150 vga_interface_type = VGA_XENFB;
2151 } else if (strstart(p, "qxl", &opts)) {
2152 if (qxl_vga_available()) {
2153 vga_interface_type = VGA_QXL;
2154 } else {
2155 fprintf(stderr, "Error: QXL VGA not available\n");
2156 exit(0);
2157 }
2158 } else if (strstart(p, "tcx", &opts)) {
2159 if (tcx_vga_available()) {
2160 vga_interface_type = VGA_TCX;
2161 } else {
2162 fprintf(stderr, "Error: TCX framebuffer not available\n");
2163 exit(0);
2164 }
2165 } else if (strstart(p, "cg3", &opts)) {
2166 if (cg3_vga_available()) {
2167 vga_interface_type = VGA_CG3;
2168 } else {
2169 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2170 exit(0);
2171 }
2172 } else if (!strstart(p, "none", &opts)) {
2173 invalid_vga:
2174 fprintf(stderr, "Unknown vga type: %s\n", p);
2175 exit(1);
2176 }
2177 while (*opts) {
2178 const char *nextopt;
2179
2180 if (strstart(opts, ",retrace=", &nextopt)) {
2181 opts = nextopt;
2182 if (strstart(opts, "dumb", &nextopt))
2183 vga_retrace_method = VGA_RETRACE_DUMB;
2184 else if (strstart(opts, "precise", &nextopt))
2185 vga_retrace_method = VGA_RETRACE_PRECISE;
2186 else goto invalid_vga;
2187 } else goto invalid_vga;
2188 opts = nextopt;
2189 }
2190 }
2191
2192 static DisplayType select_display(const char *p)
2193 {
2194 const char *opts;
2195 DisplayType display = DT_DEFAULT;
2196
2197 if (strstart(p, "sdl", &opts)) {
2198 #ifdef CONFIG_SDL
2199 display = DT_SDL;
2200 while (*opts) {
2201 const char *nextopt;
2202
2203 if (strstart(opts, ",frame=", &nextopt)) {
2204 opts = nextopt;
2205 if (strstart(opts, "on", &nextopt)) {
2206 no_frame = 0;
2207 } else if (strstart(opts, "off", &nextopt)) {
2208 no_frame = 1;
2209 } else {
2210 goto invalid_sdl_args;
2211 }
2212 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2213 opts = nextopt;
2214 if (strstart(opts, "on", &nextopt)) {
2215 alt_grab = 1;
2216 } else if (strstart(opts, "off", &nextopt)) {
2217 alt_grab = 0;
2218 } else {
2219 goto invalid_sdl_args;
2220 }
2221 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2222 opts = nextopt;
2223 if (strstart(opts, "on", &nextopt)) {
2224 ctrl_grab = 1;
2225 } else if (strstart(opts, "off", &nextopt)) {
2226 ctrl_grab = 0;
2227 } else {
2228 goto invalid_sdl_args;
2229 }
2230 } else if (strstart(opts, ",window_close=", &nextopt)) {
2231 opts = nextopt;
2232 if (strstart(opts, "on", &nextopt)) {
2233 no_quit = 0;
2234 } else if (strstart(opts, "off", &nextopt)) {
2235 no_quit = 1;
2236 } else {
2237 goto invalid_sdl_args;
2238 }
2239 } else {
2240 invalid_sdl_args:
2241 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2242 exit(1);
2243 }
2244 opts = nextopt;
2245 }
2246 #else
2247 fprintf(stderr, "SDL support is disabled\n");
2248 exit(1);
2249 #endif
2250 } else if (strstart(p, "vnc", &opts)) {
2251 #ifdef CONFIG_VNC
2252 display_remote++;
2253
2254 if (*opts) {
2255 const char *nextopt;
2256
2257 if (strstart(opts, "=", &nextopt)) {
2258 vnc_display = nextopt;
2259 }
2260 }
2261 if (!vnc_display) {
2262 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2263 exit(1);
2264 }
2265 #else
2266 fprintf(stderr, "VNC support is disabled\n");
2267 exit(1);
2268 #endif
2269 } else if (strstart(p, "curses", &opts)) {
2270 #ifdef CONFIG_CURSES
2271 display = DT_CURSES;
2272 #else
2273 fprintf(stderr, "Curses support is disabled\n");
2274 exit(1);
2275 #endif
2276 } else if (strstart(p, "gtk", &opts)) {
2277 #ifdef CONFIG_GTK
2278 display = DT_GTK;
2279 #else
2280 fprintf(stderr, "GTK support is disabled\n");
2281 exit(1);
2282 #endif
2283 } else if (strstart(p, "none", &opts)) {
2284 display = DT_NONE;
2285 } else {
2286 fprintf(stderr, "Unknown display type: %s\n", p);
2287 exit(1);
2288 }
2289
2290 return display;
2291 }
2292
2293 static int balloon_parse(const char *arg)
2294 {
2295 QemuOpts *opts;
2296
2297 if (strcmp(arg, "none") == 0) {
2298 return 0;
2299 }
2300
2301 if (!strncmp(arg, "virtio", 6)) {
2302 if (arg[6] == ',') {
2303 /* have params -> parse them */
2304 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2305 if (!opts)
2306 return -1;
2307 } else {
2308 /* create empty opts */
2309 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2310 &error_abort);
2311 }
2312 qemu_opt_set(opts, "driver", "virtio-balloon");
2313 return 0;
2314 }
2315
2316 return -1;
2317 }
2318
2319 char *qemu_find_file(int type, const char *name)
2320 {
2321 int i;
2322 const char *subdir;
2323 char *buf;
2324
2325 /* Try the name as a straight path first */
2326 if (access(name, R_OK) == 0) {
2327 trace_load_file(name, name);
2328 return g_strdup(name);
2329 }
2330
2331 switch (type) {
2332 case QEMU_FILE_TYPE_BIOS:
2333 subdir = "";
2334 break;
2335 case QEMU_FILE_TYPE_KEYMAP:
2336 subdir = "keymaps/";
2337 break;
2338 default:
2339 abort();
2340 }
2341
2342 for (i = 0; i < data_dir_idx; i++) {
2343 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2344 if (access(buf, R_OK) == 0) {
2345 trace_load_file(name, buf);
2346 return buf;
2347 }
2348 g_free(buf);
2349 }
2350 return NULL;
2351 }
2352
2353 static int device_help_func(QemuOpts *opts, void *opaque)
2354 {
2355 return qdev_device_help(opts);
2356 }
2357
2358 static int device_init_func(QemuOpts *opts, void *opaque)
2359 {
2360 DeviceState *dev;
2361
2362 dev = qdev_device_add(opts);
2363 if (!dev)
2364 return -1;
2365 object_unref(OBJECT(dev));
2366 return 0;
2367 }
2368
2369 static int chardev_init_func(QemuOpts *opts, void *opaque)
2370 {
2371 Error *local_err = NULL;
2372
2373 qemu_chr_new_from_opts(opts, NULL, &local_err);
2374 if (local_err) {
2375 error_report("%s", error_get_pretty(local_err));
2376 error_free(local_err);
2377 return -1;
2378 }
2379 return 0;
2380 }
2381
2382 #ifdef CONFIG_VIRTFS
2383 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2384 {
2385 int ret;
2386 ret = qemu_fsdev_add(opts);
2387
2388 return ret;
2389 }
2390 #endif
2391
2392 static int mon_init_func(QemuOpts *opts, void *opaque)
2393 {
2394 CharDriverState *chr;
2395 const char *chardev;
2396 const char *mode;
2397 int flags;
2398
2399 mode = qemu_opt_get(opts, "mode");
2400 if (mode == NULL) {
2401 mode = "readline";
2402 }
2403 if (strcmp(mode, "readline") == 0) {
2404 flags = MONITOR_USE_READLINE;
2405 } else if (strcmp(mode, "control") == 0) {
2406 flags = MONITOR_USE_CONTROL;
2407 } else {
2408 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2409 exit(1);
2410 }
2411
2412 if (qemu_opt_get_bool(opts, "pretty", 0))
2413 flags |= MONITOR_USE_PRETTY;
2414
2415 if (qemu_opt_get_bool(opts, "default", 0))
2416 flags |= MONITOR_IS_DEFAULT;
2417
2418 chardev = qemu_opt_get(opts, "chardev");
2419 chr = qemu_chr_find(chardev);
2420 if (chr == NULL) {
2421 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2422 exit(1);
2423 }
2424
2425 qemu_chr_fe_claim_no_fail(chr);
2426 monitor_init(chr, flags);
2427 return 0;
2428 }
2429
2430 static void monitor_parse(const char *optarg, const char *mode)
2431 {
2432 static int monitor_device_index = 0;
2433 QemuOpts *opts;
2434 const char *p;
2435 char label[32];
2436 int def = 0;
2437
2438 if (strstart(optarg, "chardev:", &p)) {
2439 snprintf(label, sizeof(label), "%s", p);
2440 } else {
2441 snprintf(label, sizeof(label), "compat_monitor%d",
2442 monitor_device_index);
2443 if (monitor_device_index == 0) {
2444 def = 1;
2445 }
2446 opts = qemu_chr_parse_compat(label, optarg);
2447 if (!opts) {
2448 fprintf(stderr, "parse error: %s\n", optarg);
2449 exit(1);
2450 }
2451 }
2452
2453 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2454 if (!opts) {
2455 fprintf(stderr, "duplicate chardev: %s\n", label);
2456 exit(1);
2457 }
2458 qemu_opt_set(opts, "mode", mode);
2459 qemu_opt_set(opts, "chardev", label);
2460 if (def)
2461 qemu_opt_set(opts, "default", "on");
2462 monitor_device_index++;
2463 }
2464
2465 struct device_config {
2466 enum {
2467 DEV_USB, /* -usbdevice */
2468 DEV_BT, /* -bt */
2469 DEV_SERIAL, /* -serial */
2470 DEV_PARALLEL, /* -parallel */
2471 DEV_VIRTCON, /* -virtioconsole */
2472 DEV_DEBUGCON, /* -debugcon */
2473 DEV_GDB, /* -gdb, -s */
2474 DEV_SCLP, /* s390 sclp */
2475 } type;
2476 const char *cmdline;
2477 Location loc;
2478 QTAILQ_ENTRY(device_config) next;
2479 };
2480
2481 static QTAILQ_HEAD(, device_config) device_configs =
2482 QTAILQ_HEAD_INITIALIZER(device_configs);
2483
2484 static void add_device_config(int type, const char *cmdline)
2485 {
2486 struct device_config *conf;
2487
2488 conf = g_malloc0(sizeof(*conf));
2489 conf->type = type;
2490 conf->cmdline = cmdline;
2491 loc_save(&conf->loc);
2492 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2493 }
2494
2495 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2496 {
2497 struct device_config *conf;
2498 int rc;
2499
2500 QTAILQ_FOREACH(conf, &device_configs, next) {
2501 if (conf->type != type)
2502 continue;
2503 loc_push_restore(&conf->loc);
2504 rc = func(conf->cmdline);
2505 loc_pop(&conf->loc);
2506 if (0 != rc)
2507 return rc;
2508 }
2509 return 0;
2510 }
2511
2512 static int serial_parse(const char *devname)
2513 {
2514 static int index = 0;
2515 char label[32];
2516
2517 if (strcmp(devname, "none") == 0)
2518 return 0;
2519 if (index == MAX_SERIAL_PORTS) {
2520 fprintf(stderr, "qemu: too many serial ports\n");
2521 exit(1);
2522 }
2523 snprintf(label, sizeof(label), "serial%d", index);
2524 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2525 if (!serial_hds[index]) {
2526 fprintf(stderr, "qemu: could not connect serial device"
2527 " to character backend '%s'\n", devname);
2528 return -1;
2529 }
2530 index++;
2531 return 0;
2532 }
2533
2534 static int parallel_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_PARALLEL_PORTS) {
2542 fprintf(stderr, "qemu: too many parallel ports\n");
2543 exit(1);
2544 }
2545 snprintf(label, sizeof(label), "parallel%d", index);
2546 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2547 if (!parallel_hds[index]) {
2548 fprintf(stderr, "qemu: could not connect parallel device"
2549 " to character backend '%s'\n", devname);
2550 return -1;
2551 }
2552 index++;
2553 return 0;
2554 }
2555
2556 static int virtcon_parse(const char *devname)
2557 {
2558 QemuOptsList *device = qemu_find_opts("device");
2559 static int index = 0;
2560 char label[32];
2561 QemuOpts *bus_opts, *dev_opts;
2562
2563 if (strcmp(devname, "none") == 0)
2564 return 0;
2565 if (index == MAX_VIRTIO_CONSOLES) {
2566 fprintf(stderr, "qemu: too many virtio consoles\n");
2567 exit(1);
2568 }
2569
2570 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2571 if (arch_type == QEMU_ARCH_S390X) {
2572 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2573 } else {
2574 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2575 }
2576
2577 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2578 qemu_opt_set(dev_opts, "driver", "virtconsole");
2579
2580 snprintf(label, sizeof(label), "virtcon%d", index);
2581 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2582 if (!virtcon_hds[index]) {
2583 fprintf(stderr, "qemu: could not connect virtio console"
2584 " to character backend '%s'\n", devname);
2585 return -1;
2586 }
2587 qemu_opt_set(dev_opts, "chardev", label);
2588
2589 index++;
2590 return 0;
2591 }
2592
2593 static int sclp_parse(const char *devname)
2594 {
2595 QemuOptsList *device = qemu_find_opts("device");
2596 static int index = 0;
2597 char label[32];
2598 QemuOpts *dev_opts;
2599
2600 if (strcmp(devname, "none") == 0) {
2601 return 0;
2602 }
2603 if (index == MAX_SCLP_CONSOLES) {
2604 fprintf(stderr, "qemu: too many sclp consoles\n");
2605 exit(1);
2606 }
2607
2608 assert(arch_type == QEMU_ARCH_S390X);
2609
2610 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2611 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2612
2613 snprintf(label, sizeof(label), "sclpcon%d", index);
2614 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2615 if (!sclp_hds[index]) {
2616 fprintf(stderr, "qemu: could not connect sclp console"
2617 " to character backend '%s'\n", devname);
2618 return -1;
2619 }
2620 qemu_opt_set(dev_opts, "chardev", label);
2621
2622 index++;
2623 return 0;
2624 }
2625
2626 static int debugcon_parse(const char *devname)
2627 {
2628 QemuOpts *opts;
2629
2630 if (!qemu_chr_new("debugcon", devname, NULL)) {
2631 exit(1);
2632 }
2633 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2634 if (!opts) {
2635 fprintf(stderr, "qemu: already have a debugcon device\n");
2636 exit(1);
2637 }
2638 qemu_opt_set(opts, "driver", "isa-debugcon");
2639 qemu_opt_set(opts, "chardev", "debugcon");
2640 return 0;
2641 }
2642
2643 static MachineClass *machine_parse(const char *name)
2644 {
2645 MachineClass *mc = NULL;
2646 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2647
2648 if (name) {
2649 mc = find_machine(name);
2650 }
2651 if (mc) {
2652 return mc;
2653 }
2654 printf("Supported machines are:\n");
2655 for (el = machines; el; el = el->next) {
2656 MachineClass *mc = el->data;
2657 QEMUMachine *m = mc->qemu_machine;
2658 if (m->alias) {
2659 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2660 }
2661 printf("%-20s %s%s\n", m->name, m->desc,
2662 m->is_default ? " (default)" : "");
2663 }
2664
2665 g_slist_free(machines);
2666 exit(!name || !is_help_option(name));
2667 }
2668
2669 static int tcg_init(QEMUMachine *machine)
2670 {
2671 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2672 return 0;
2673 }
2674
2675 static struct {
2676 const char *opt_name;
2677 const char *name;
2678 int (*available)(void);
2679 int (*init)(QEMUMachine *);
2680 bool *allowed;
2681 } accel_list[] = {
2682 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2683 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2684 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2685 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2686 };
2687
2688 static int configure_accelerator(QEMUMachine *machine)
2689 {
2690 const char *p;
2691 char buf[10];
2692 int i, ret;
2693 bool accel_initialised = false;
2694 bool init_failed = false;
2695
2696 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2697 if (p == NULL) {
2698 /* Use the default "accelerator", tcg */
2699 p = "tcg";
2700 }
2701
2702 while (!accel_initialised && *p != '\0') {
2703 if (*p == ':') {
2704 p++;
2705 }
2706 p = get_opt_name(buf, sizeof (buf), p, ':');
2707 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2708 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2709 if (!accel_list[i].available()) {
2710 printf("%s not supported for this target\n",
2711 accel_list[i].name);
2712 continue;
2713 }
2714 *(accel_list[i].allowed) = true;
2715 ret = accel_list[i].init(machine);
2716 if (ret < 0) {
2717 init_failed = true;
2718 fprintf(stderr, "failed to initialize %s: %s\n",
2719 accel_list[i].name,
2720 strerror(-ret));
2721 *(accel_list[i].allowed) = false;
2722 } else {
2723 accel_initialised = true;
2724 }
2725 break;
2726 }
2727 }
2728 if (i == ARRAY_SIZE(accel_list)) {
2729 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2730 }
2731 }
2732
2733 if (!accel_initialised) {
2734 if (!init_failed) {
2735 fprintf(stderr, "No accelerator found!\n");
2736 }
2737 exit(1);
2738 }
2739
2740 if (init_failed) {
2741 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2742 }
2743
2744 return !accel_initialised;
2745 }
2746
2747 void qemu_add_exit_notifier(Notifier *notify)
2748 {
2749 notifier_list_add(&exit_notifiers, notify);
2750 }
2751
2752 void qemu_remove_exit_notifier(Notifier *notify)
2753 {
2754 notifier_remove(notify);
2755 }
2756
2757 static void qemu_run_exit_notifiers(void)
2758 {
2759 notifier_list_notify(&exit_notifiers, NULL);
2760 }
2761
2762 void qemu_add_machine_init_done_notifier(Notifier *notify)
2763 {
2764 notifier_list_add(&machine_init_done_notifiers, notify);
2765 }
2766
2767 static void qemu_run_machine_init_done_notifiers(void)
2768 {
2769 notifier_list_notify(&machine_init_done_notifiers, NULL);
2770 }
2771
2772 static const QEMUOption *lookup_opt(int argc, char **argv,
2773 const char **poptarg, int *poptind)
2774 {
2775 const QEMUOption *popt;
2776 int optind = *poptind;
2777 char *r = argv[optind];
2778 const char *optarg;
2779
2780 loc_set_cmdline(argv, optind, 1);
2781 optind++;
2782 /* Treat --foo the same as -foo. */
2783 if (r[1] == '-')
2784 r++;
2785 popt = qemu_options;
2786 for(;;) {
2787 if (!popt->name) {
2788 error_report("invalid option");
2789 exit(1);
2790 }
2791 if (!strcmp(popt->name, r + 1))
2792 break;
2793 popt++;
2794 }
2795 if (popt->flags & HAS_ARG) {
2796 if (optind >= argc) {
2797 error_report("requires an argument");
2798 exit(1);
2799 }
2800 optarg = argv[optind++];
2801 loc_set_cmdline(argv, optind - 2, 2);
2802 } else {
2803 optarg = NULL;
2804 }
2805
2806 *poptarg = optarg;
2807 *poptind = optind;
2808
2809 return popt;
2810 }
2811
2812 static gpointer malloc_and_trace(gsize n_bytes)
2813 {
2814 void *ptr = malloc(n_bytes);
2815 trace_g_malloc(n_bytes, ptr);
2816 return ptr;
2817 }
2818
2819 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2820 {
2821 void *ptr = realloc(mem, n_bytes);
2822 trace_g_realloc(mem, n_bytes, ptr);
2823 return ptr;
2824 }
2825
2826 static void free_and_trace(gpointer mem)
2827 {
2828 trace_g_free(mem);
2829 free(mem);
2830 }
2831
2832 static int object_set_property(const char *name, const char *value, void *opaque)
2833 {
2834 Object *obj = OBJECT(opaque);
2835 StringInputVisitor *siv;
2836 Error *local_err = NULL;
2837
2838 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2839 return 0;
2840 }
2841
2842 siv = string_input_visitor_new(value);
2843 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2844 string_input_visitor_cleanup(siv);
2845
2846 if (local_err) {
2847 qerror_report_err(local_err);
2848 error_free(local_err);
2849 return -1;
2850 }
2851
2852 return 0;
2853 }
2854
2855 static int object_create(QemuOpts *opts, void *opaque)
2856 {
2857 const char *type = qemu_opt_get(opts, "qom-type");
2858 const char *id = qemu_opts_id(opts);
2859 Error *local_err = NULL;
2860 Object *obj;
2861
2862 g_assert(type != NULL);
2863
2864 if (id == NULL) {
2865 qerror_report(QERR_MISSING_PARAMETER, "id");
2866 return -1;
2867 }
2868
2869 obj = object_new(type);
2870 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2871 object_unref(obj);
2872 return -1;
2873 }
2874
2875 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2876 error_setg(&local_err, "object '%s' isn't supported by -object",
2877 id);
2878 goto out;
2879 }
2880
2881 user_creatable_complete(obj, &local_err);
2882 if (local_err) {
2883 goto out;
2884 }
2885
2886 object_property_add_child(container_get(object_get_root(), "/objects"),
2887 id, obj, &local_err);
2888
2889 out:
2890 object_unref(obj);
2891 if (local_err) {
2892 qerror_report_err(local_err);
2893 error_free(local_err);
2894 return -1;
2895 }
2896 return 0;
2897 }
2898
2899 int main(int argc, char **argv, char **envp)
2900 {
2901 int i;
2902 int snapshot, linux_boot;
2903 const char *icount_option = NULL;
2904 const char *initrd_filename;
2905 const char *kernel_filename, *kernel_cmdline;
2906 const char *boot_order;
2907 DisplayState *ds;
2908 int cyls, heads, secs, translation;
2909 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2910 QemuOptsList *olist;
2911 int optind;
2912 const char *optarg;
2913 const char *loadvm = NULL;
2914 MachineClass *machine_class;
2915 QEMUMachine *machine;
2916 const char *cpu_model;
2917 const char *vga_model = NULL;
2918 const char *qtest_chrdev = NULL;
2919 const char *qtest_log = NULL;
2920 const char *pid_file = NULL;
2921 const char *incoming = NULL;
2922 #ifdef CONFIG_VNC
2923 int show_vnc_port = 0;
2924 #endif
2925 bool defconfig = true;
2926 bool userconfig = true;
2927 const char *log_mask = NULL;
2928 const char *log_file = NULL;
2929 GMemVTable mem_trace = {
2930 .malloc = malloc_and_trace,
2931 .realloc = realloc_and_trace,
2932 .free = free_and_trace,
2933 };
2934 const char *trace_events = NULL;
2935 const char *trace_file = NULL;
2936
2937 atexit(qemu_run_exit_notifiers);
2938 error_set_progname(argv[0]);
2939 qemu_init_exec_dir(argv[0]);
2940
2941 g_mem_set_vtable(&mem_trace);
2942 if (!g_thread_supported()) {
2943 #if !GLIB_CHECK_VERSION(2, 31, 0)
2944 g_thread_init(NULL);
2945 #else
2946 fprintf(stderr, "glib threading failed to initialize.\n");
2947 exit(1);
2948 #endif
2949 }
2950
2951 module_call_init(MODULE_INIT_QOM);
2952
2953 qemu_add_opts(&qemu_drive_opts);
2954 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2955 qemu_add_drive_opts(&qemu_common_drive_opts);
2956 qemu_add_drive_opts(&qemu_drive_opts);
2957 qemu_add_opts(&qemu_chardev_opts);
2958 qemu_add_opts(&qemu_device_opts);
2959 qemu_add_opts(&qemu_netdev_opts);
2960 qemu_add_opts(&qemu_net_opts);
2961 qemu_add_opts(&qemu_rtc_opts);
2962 qemu_add_opts(&qemu_global_opts);
2963 qemu_add_opts(&qemu_mon_opts);
2964 qemu_add_opts(&qemu_trace_opts);
2965 qemu_add_opts(&qemu_option_rom_opts);
2966 qemu_add_opts(&qemu_machine_opts);
2967 qemu_add_opts(&qemu_smp_opts);
2968 qemu_add_opts(&qemu_boot_opts);
2969 qemu_add_opts(&qemu_sandbox_opts);
2970 qemu_add_opts(&qemu_add_fd_opts);
2971 qemu_add_opts(&qemu_object_opts);
2972 qemu_add_opts(&qemu_tpmdev_opts);
2973 qemu_add_opts(&qemu_realtime_opts);
2974 qemu_add_opts(&qemu_msg_opts);
2975 qemu_add_opts(&qemu_name_opts);
2976
2977 runstate_init();
2978
2979 init_clocks();
2980 rtc_clock = QEMU_CLOCK_HOST;
2981
2982 qemu_init_auxval(envp);
2983 qemu_cache_utils_init();
2984
2985 QLIST_INIT (&vm_change_state_head);
2986 os_setup_early_signal_handling();
2987
2988 module_call_init(MODULE_INIT_MACHINE);
2989 machine_class = find_default_machine();
2990 cpu_model = NULL;
2991 ram_size = 0;
2992 snapshot = 0;
2993 cyls = heads = secs = 0;
2994 translation = BIOS_ATA_TRANSLATION_AUTO;
2995
2996 for (i = 0; i < MAX_NODES; i++) {
2997 node_mem[i] = 0;
2998 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2999 }
3000
3001 nb_numa_nodes = 0;
3002 nb_nics = 0;
3003
3004 bdrv_init_with_whitelist();
3005
3006 autostart = 1;
3007
3008 /* first pass of option parsing */
3009 optind = 1;
3010 while (optind < argc) {
3011 if (argv[optind][0] != '-') {
3012 /* disk image */
3013 optind++;
3014 continue;
3015 } else {
3016 const QEMUOption *popt;
3017
3018 popt = lookup_opt(argc, argv, &optarg, &optind);
3019 switch (popt->index) {
3020 case QEMU_OPTION_nodefconfig:
3021 defconfig = false;
3022 break;
3023 case QEMU_OPTION_nouserconfig:
3024 userconfig = false;
3025 break;
3026 }
3027 }
3028 }
3029
3030 if (defconfig) {
3031 int ret;
3032 ret = qemu_read_default_config_files(userconfig);
3033 if (ret < 0) {
3034 exit(1);
3035 }
3036 }
3037
3038 /* second pass of option parsing */
3039 optind = 1;
3040 for(;;) {
3041 if (optind >= argc)
3042 break;
3043 if (argv[optind][0] != '-') {
3044 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3045 } else {
3046 const QEMUOption *popt;
3047
3048 popt = lookup_opt(argc, argv, &optarg, &optind);
3049 if (!(popt->arch_mask & arch_type)) {
3050 printf("Option %s not supported for this target\n", popt->name);
3051 exit(1);
3052 }
3053 switch(popt->index) {
3054 case QEMU_OPTION_M:
3055 machine_class = machine_parse(optarg);
3056 break;
3057 case QEMU_OPTION_no_kvm_irqchip: {
3058 olist = qemu_find_opts("machine");
3059 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3060 break;
3061 }
3062 case QEMU_OPTION_cpu:
3063 /* hw initialization will check this */
3064 cpu_model = optarg;
3065 break;
3066 case QEMU_OPTION_hda:
3067 {
3068 char buf[256];
3069 if (cyls == 0)
3070 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3071 else
3072 snprintf(buf, sizeof(buf),
3073 "%s,cyls=%d,heads=%d,secs=%d%s",
3074 HD_OPTS , cyls, heads, secs,
3075 translation == BIOS_ATA_TRANSLATION_LBA ?
3076 ",trans=lba" :
3077 translation == BIOS_ATA_TRANSLATION_NONE ?
3078 ",trans=none" : "");
3079 drive_add(IF_DEFAULT, 0, optarg, buf);
3080 break;
3081 }
3082 case QEMU_OPTION_hdb:
3083 case QEMU_OPTION_hdc:
3084 case QEMU_OPTION_hdd:
3085 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3086 HD_OPTS);
3087 break;
3088 case QEMU_OPTION_drive:
3089 if (drive_def(optarg) == NULL) {
3090 exit(1);
3091 }
3092 break;
3093 case QEMU_OPTION_set:
3094 if (qemu_set_option(optarg) != 0)
3095 exit(1);
3096 break;
3097 case QEMU_OPTION_global:
3098 if (qemu_global_option(optarg) != 0)
3099 exit(1);
3100 break;
3101 case QEMU_OPTION_mtdblock:
3102 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3103 break;
3104 case QEMU_OPTION_sd:
3105 drive_add(IF_SD, -1, optarg, SD_OPTS);
3106 break;
3107 case QEMU_OPTION_pflash:
3108 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3109 break;
3110 case QEMU_OPTION_snapshot:
3111 snapshot = 1;
3112 break;
3113 case QEMU_OPTION_hdachs:
3114 {
3115 const char *p;
3116 p = optarg;
3117 cyls = strtol(p, (char **)&p, 0);
3118 if (cyls < 1 || cyls > 16383)
3119 goto chs_fail;
3120 if (*p != ',')
3121 goto chs_fail;
3122 p++;
3123 heads = strtol(p, (char **)&p, 0);
3124 if (heads < 1 || heads > 16)
3125 goto chs_fail;
3126 if (*p != ',')
3127 goto chs_fail;
3128 p++;
3129 secs = strtol(p, (char **)&p, 0);
3130 if (secs < 1 || secs > 63)
3131 goto chs_fail;
3132 if (*p == ',') {
3133 p++;
3134 if (!strcmp(p, "large")) {
3135 translation = BIOS_ATA_TRANSLATION_LARGE;
3136 } else if (!strcmp(p, "rechs")) {
3137 translation = BIOS_ATA_TRANSLATION_RECHS;
3138 } else if (!strcmp(p, "none")) {
3139 translation = BIOS_ATA_TRANSLATION_NONE;
3140 } else if (!strcmp(p, "lba")) {
3141 translation = BIOS_ATA_TRANSLATION_LBA;
3142 } else if (!strcmp(p, "auto")) {
3143 translation = BIOS_ATA_TRANSLATION_AUTO;
3144 } else {
3145 goto chs_fail;
3146 }
3147 } else if (*p != '\0') {
3148 chs_fail:
3149 fprintf(stderr, "qemu: invalid physical CHS format\n");
3150 exit(1);
3151 }
3152 if (hda_opts != NULL) {
3153 char num[16];
3154 snprintf(num, sizeof(num), "%d", cyls);
3155 qemu_opt_set(hda_opts, "cyls", num);
3156 snprintf(num, sizeof(num), "%d", heads);
3157 qemu_opt_set(hda_opts, "heads", num);
3158 snprintf(num, sizeof(num), "%d", secs);
3159 qemu_opt_set(hda_opts, "secs", num);
3160 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3161 qemu_opt_set(hda_opts, "trans", "large");
3162 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3163 qemu_opt_set(hda_opts, "trans", "rechs");
3164 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3165 qemu_opt_set(hda_opts, "trans", "lba");
3166 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3167 qemu_opt_set(hda_opts, "trans", "none");
3168 }
3169 }
3170 }
3171 break;
3172 case QEMU_OPTION_numa:
3173 numa_add(optarg);
3174 break;
3175 case QEMU_OPTION_display:
3176 display_type = select_display(optarg);
3177 break;
3178 case QEMU_OPTION_nographic:
3179 display_type = DT_NOGRAPHIC;
3180 break;
3181 case QEMU_OPTION_curses:
3182 #ifdef CONFIG_CURSES
3183 display_type = DT_CURSES;
3184 #else
3185 fprintf(stderr, "Curses support is disabled\n");
3186 exit(1);
3187 #endif
3188 break;
3189 case QEMU_OPTION_portrait:
3190 graphic_rotate = 90;
3191 break;
3192 case QEMU_OPTION_rotate:
3193 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3194 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3195 graphic_rotate != 180 && graphic_rotate != 270) {
3196 fprintf(stderr,
3197 "qemu: only 90, 180, 270 deg rotation is available\n");
3198 exit(1);
3199 }
3200 break;
3201 case QEMU_OPTION_kernel:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3203 break;
3204 case QEMU_OPTION_initrd:
3205 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3206 break;
3207 case QEMU_OPTION_append:
3208 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3209 break;
3210 case QEMU_OPTION_dtb:
3211 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3212 break;
3213 case QEMU_OPTION_cdrom:
3214 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3215 break;
3216 case QEMU_OPTION_boot:
3217 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3218 if (!opts) {
3219 exit(1);
3220 }
3221 break;
3222 case QEMU_OPTION_fda:
3223 case QEMU_OPTION_fdb:
3224 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3225 optarg, FD_OPTS);
3226 break;
3227 case QEMU_OPTION_no_fd_bootchk:
3228 fd_bootchk = 0;
3229 break;
3230 case QEMU_OPTION_netdev:
3231 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3232 exit(1);
3233 }
3234 break;
3235 case QEMU_OPTION_net:
3236 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3237 exit(1);
3238 }
3239 break;
3240 #ifdef CONFIG_LIBISCSI
3241 case QEMU_OPTION_iscsi:
3242 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3243 if (!opts) {
3244 exit(1);
3245 }
3246 break;
3247 #endif
3248 #ifdef CONFIG_SLIRP
3249 case QEMU_OPTION_tftp:
3250 legacy_tftp_prefix = optarg;
3251 break;
3252 case QEMU_OPTION_bootp:
3253 legacy_bootp_filename = optarg;
3254 break;
3255 case QEMU_OPTION_redir:
3256 if (net_slirp_redir(optarg) < 0)
3257 exit(1);
3258 break;
3259 #endif
3260 case QEMU_OPTION_bt:
3261 add_device_config(DEV_BT, optarg);
3262 break;
3263 case QEMU_OPTION_audio_help:
3264 AUD_help ();
3265 exit (0);
3266 break;
3267 case QEMU_OPTION_soundhw:
3268 select_soundhw (optarg);
3269 break;
3270 case QEMU_OPTION_h:
3271 help(0);
3272 break;
3273 case QEMU_OPTION_version:
3274 version();
3275 exit(0);
3276 break;
3277 case QEMU_OPTION_m: {
3278 int64_t value;
3279 uint64_t sz;
3280 char *end;
3281
3282 value = strtosz(optarg, &end);
3283 if (value < 0 || *end) {
3284 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3285 exit(1);
3286 }
3287 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3288 ram_size = sz;
3289 if (ram_size != sz) {
3290 fprintf(stderr, "qemu: ram size too large\n");
3291 exit(1);
3292 }
3293 break;
3294 }
3295 #ifdef CONFIG_TPM
3296 case QEMU_OPTION_tpmdev:
3297 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3298 exit(1);
3299 }
3300 break;
3301 #endif
3302 case QEMU_OPTION_mempath:
3303 mem_path = optarg;
3304 break;
3305 case QEMU_OPTION_mem_prealloc:
3306 mem_prealloc = 1;
3307 break;
3308 case QEMU_OPTION_d:
3309 log_mask = optarg;
3310 break;
3311 case QEMU_OPTION_D:
3312 log_file = optarg;
3313 break;
3314 case QEMU_OPTION_s:
3315 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3316 break;
3317 case QEMU_OPTION_gdb:
3318 add_device_config(DEV_GDB, optarg);
3319 break;
3320 case QEMU_OPTION_L:
3321 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3322 data_dir[data_dir_idx++] = optarg;
3323 }
3324 break;
3325 case QEMU_OPTION_bios:
3326 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3327 break;
3328 case QEMU_OPTION_singlestep:
3329 singlestep = 1;
3330 break;
3331 case QEMU_OPTION_S:
3332 autostart = 0;
3333 break;
3334 case QEMU_OPTION_k:
3335 keyboard_layout = optarg;
3336 break;
3337 case QEMU_OPTION_localtime:
3338 rtc_utc = 0;
3339 break;
3340 case QEMU_OPTION_vga:
3341 vga_model = optarg;
3342 default_vga = 0;
3343 break;
3344 case QEMU_OPTION_g:
3345 {
3346 const char *p;
3347 int w, h, depth;
3348 p = optarg;
3349 w = strtol(p, (char **)&p, 10);
3350 if (w <= 0) {
3351 graphic_error:
3352 fprintf(stderr, "qemu: invalid resolution or depth\n");
3353 exit(1);
3354 }
3355 if (*p != 'x')
3356 goto graphic_error;
3357 p++;
3358 h = strtol(p, (char **)&p, 10);
3359 if (h <= 0)
3360 goto graphic_error;
3361 if (*p == 'x') {
3362 p++;
3363 depth = strtol(p, (char **)&p, 10);
3364 if (depth != 8 && depth != 15 && depth != 16 &&
3365 depth != 24 && depth != 32)
3366 goto graphic_error;
3367 } else if (*p == '\0') {
3368 depth = graphic_depth;
3369 } else {
3370 goto graphic_error;
3371 }
3372
3373 graphic_width = w;
3374 graphic_height = h;
3375 graphic_depth = depth;
3376 }
3377 break;
3378 case QEMU_OPTION_echr:
3379 {
3380 char *r;
3381 term_escape_char = strtol(optarg, &r, 0);
3382 if (r == optarg)
3383 printf("Bad argument to echr\n");
3384 break;
3385 }
3386 case QEMU_OPTION_monitor:
3387 default_monitor = 0;
3388 if (strncmp(optarg, "none", 4)) {
3389 monitor_parse(optarg, "readline");
3390 }
3391 break;
3392 case QEMU_OPTION_qmp:
3393 monitor_parse(optarg, "control");
3394 default_monitor = 0;
3395 break;
3396 case QEMU_OPTION_mon:
3397 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3398 if (!opts) {
3399 exit(1);
3400 }
3401 default_monitor = 0;
3402 break;
3403 case QEMU_OPTION_chardev:
3404 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3405 if (!opts) {
3406 exit(1);
3407 }
3408 break;
3409 case QEMU_OPTION_fsdev:
3410 olist = qemu_find_opts("fsdev");
3411 if (!olist) {
3412 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3413 exit(1);
3414 }
3415 opts = qemu_opts_parse(olist, optarg, 1);
3416 if (!opts) {
3417 exit(1);
3418 }
3419 break;
3420 case QEMU_OPTION_virtfs: {
3421 QemuOpts *fsdev;
3422 QemuOpts *device;
3423 const char *writeout, *sock_fd, *socket;
3424
3425 olist = qemu_find_opts("virtfs");
3426 if (!olist) {
3427 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3428 exit(1);
3429 }
3430 opts = qemu_opts_parse(olist, optarg, 1);
3431 if (!opts) {
3432 exit(1);
3433 }
3434
3435 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3436 qemu_opt_get(opts, "mount_tag") == NULL) {
3437 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3438 exit(1);
3439 }
3440 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3441 qemu_opt_get(opts, "mount_tag"),
3442 1, NULL);
3443 if (!fsdev) {
3444 fprintf(stderr, "duplicate fsdev id: %s\n",
3445 qemu_opt_get(opts, "mount_tag"));
3446 exit(1);
3447 }
3448
3449 writeout = qemu_opt_get(opts, "writeout");
3450 if (writeout) {
3451 #ifdef CONFIG_SYNC_FILE_RANGE
3452 qemu_opt_set(fsdev, "writeout", writeout);
3453 #else
3454 fprintf(stderr, "writeout=immediate not supported on "
3455 "this platform\n");
3456 exit(1);
3457 #endif
3458 }
3459 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3460 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3461 qemu_opt_set(fsdev, "security_model",
3462 qemu_opt_get(opts, "security_model"));
3463 socket = qemu_opt_get(opts, "socket");
3464 if (socket) {
3465 qemu_opt_set(fsdev, "socket", socket);
3466 }
3467 sock_fd = qemu_opt_get(opts, "sock_fd");
3468 if (sock_fd) {
3469 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3470 }
3471
3472 qemu_opt_set_bool(fsdev, "readonly",
3473 qemu_opt_get_bool(opts, "readonly", 0));
3474 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3475 &error_abort);
3476 qemu_opt_set(device, "driver", "virtio-9p-pci");
3477 qemu_opt_set(device, "fsdev",
3478 qemu_opt_get(opts, "mount_tag"));
3479 qemu_opt_set(device, "mount_tag",
3480 qemu_opt_get(opts, "mount_tag"));
3481 break;
3482 }
3483 case QEMU_OPTION_virtfs_synth: {
3484 QemuOpts *fsdev