numa: add -numa node,memdev= option
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
120
121 #define DEFAULT_RAM_SIZE 128
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 typedef struct FWBootEntry FWBootEntry;
186
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
192 };
193
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
196
197 int nb_numa_nodes;
198 NodeInfo numa_info[MAX_NODES];
199
200 uint8_t qemu_uuid[16];
201 bool qemu_uuid_set;
202
203 static QEMUBootSetHandler *boot_set_handler;
204 static void *boot_set_opaque;
205
206 static NotifierList exit_notifiers =
207 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
208
209 static NotifierList machine_init_done_notifiers =
210 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
211
212 static bool tcg_allowed = true;
213 bool xen_allowed;
214 uint32_t xen_domid;
215 enum xen_mode xen_mode = XEN_EMULATE;
216 static int tcg_tb_size;
217
218 static int has_defaults = 1;
219 static int default_serial = 1;
220 static int default_parallel = 1;
221 static int default_virtcon = 1;
222 static int default_sclp = 1;
223 static int default_monitor = 1;
224 static int default_floppy = 1;
225 static int default_cdrom = 1;
226 static int default_sdcard = 1;
227 static int default_vga = 1;
228
229 static struct {
230 const char *driver;
231 int *flag;
232 } default_list[] = {
233 { .driver = "isa-serial", .flag = &default_serial },
234 { .driver = "isa-parallel", .flag = &default_parallel },
235 { .driver = "isa-fdc", .flag = &default_floppy },
236 { .driver = "ide-cd", .flag = &default_cdrom },
237 { .driver = "ide-hd", .flag = &default_cdrom },
238 { .driver = "ide-drive", .flag = &default_cdrom },
239 { .driver = "scsi-cd", .flag = &default_cdrom },
240 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
241 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
242 { .driver = "virtio-serial", .flag = &default_virtcon },
243 { .driver = "VGA", .flag = &default_vga },
244 { .driver = "isa-vga", .flag = &default_vga },
245 { .driver = "cirrus-vga", .flag = &default_vga },
246 { .driver = "isa-cirrus-vga", .flag = &default_vga },
247 { .driver = "vmware-svga", .flag = &default_vga },
248 { .driver = "qxl-vga", .flag = &default_vga },
249 };
250
251 static QemuOptsList qemu_rtc_opts = {
252 .name = "rtc",
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
254 .desc = {
255 {
256 .name = "base",
257 .type = QEMU_OPT_STRING,
258 },{
259 .name = "clock",
260 .type = QEMU_OPT_STRING,
261 },{
262 .name = "driftfix",
263 .type = QEMU_OPT_STRING,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_sandbox_opts = {
270 .name = "sandbox",
271 .implied_opt_name = "enable",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
273 .desc = {
274 {
275 .name = "enable",
276 .type = QEMU_OPT_BOOL,
277 },
278 { /* end of list */ }
279 },
280 };
281
282 static QemuOptsList qemu_trace_opts = {
283 .name = "trace",
284 .implied_opt_name = "trace",
285 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
286 .desc = {
287 {
288 .name = "events",
289 .type = QEMU_OPT_STRING,
290 },{
291 .name = "file",
292 .type = QEMU_OPT_STRING,
293 },
294 { /* end of list */ }
295 },
296 };
297
298 static QemuOptsList qemu_option_rom_opts = {
299 .name = "option-rom",
300 .implied_opt_name = "romfile",
301 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
302 .desc = {
303 {
304 .name = "bootindex",
305 .type = QEMU_OPT_NUMBER,
306 }, {
307 .name = "romfile",
308 .type = QEMU_OPT_STRING,
309 },
310 { /* end of list */ }
311 },
312 };
313
314 static QemuOptsList qemu_machine_opts = {
315 .name = "machine",
316 .implied_opt_name = "type",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
319 .desc = {
320 {
321 .name = "type",
322 .type = QEMU_OPT_STRING,
323 .help = "emulated machine"
324 }, {
325 .name = "accel",
326 .type = QEMU_OPT_STRING,
327 .help = "accelerator list",
328 }, {
329 .name = "kernel_irqchip",
330 .type = QEMU_OPT_BOOL,
331 .help = "use KVM in-kernel irqchip",
332 }, {
333 .name = "kvm_shadow_mem",
334 .type = QEMU_OPT_SIZE,
335 .help = "KVM shadow MMU size",
336 }, {
337 .name = "kernel",
338 .type = QEMU_OPT_STRING,
339 .help = "Linux kernel image file",
340 }, {
341 .name = "initrd",
342 .type = QEMU_OPT_STRING,
343 .help = "Linux initial ramdisk file",
344 }, {
345 .name = "append",
346 .type = QEMU_OPT_STRING,
347 .help = "Linux kernel command line",
348 }, {
349 .name = "dtb",
350 .type = QEMU_OPT_STRING,
351 .help = "Linux kernel device tree file",
352 }, {
353 .name = "dumpdtb",
354 .type = QEMU_OPT_STRING,
355 .help = "Dump current dtb to a file and quit",
356 }, {
357 .name = "phandle_start",
358 .type = QEMU_OPT_NUMBER,
359 .help = "The first phandle ID we may generate dynamically",
360 }, {
361 .name = "dt_compatible",
362 .type = QEMU_OPT_STRING,
363 .help = "Overrides the \"compatible\" property of the dt root node",
364 }, {
365 .name = "dump-guest-core",
366 .type = QEMU_OPT_BOOL,
367 .help = "Include guest memory in a core dump",
368 }, {
369 .name = "mem-merge",
370 .type = QEMU_OPT_BOOL,
371 .help = "enable/disable memory merge support",
372 },{
373 .name = "usb",
374 .type = QEMU_OPT_BOOL,
375 .help = "Set on/off to enable/disable usb",
376 },{
377 .name = "firmware",
378 .type = QEMU_OPT_STRING,
379 .help = "firmware image",
380 },{
381 .name = "kvm-type",
382 .type = QEMU_OPT_STRING,
383 .help = "Specifies the KVM virtualization mode (HV, PR)",
384 },
385 { /* End of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_boot_opts = {
390 .name = "boot-opts",
391 .implied_opt_name = "order",
392 .merge_lists = true,
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
394 .desc = {
395 {
396 .name = "order",
397 .type = QEMU_OPT_STRING,
398 }, {
399 .name = "once",
400 .type = QEMU_OPT_STRING,
401 }, {
402 .name = "menu",
403 .type = QEMU_OPT_BOOL,
404 }, {
405 .name = "splash",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "splash-time",
409 .type = QEMU_OPT_STRING,
410 }, {
411 .name = "reboot-timeout",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "strict",
415 .type = QEMU_OPT_BOOL,
416 },
417 { /*End of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_add_fd_opts = {
422 .name = "add-fd",
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
424 .desc = {
425 {
426 .name = "fd",
427 .type = QEMU_OPT_NUMBER,
428 .help = "file descriptor of which a duplicate is added to fd set",
429 },{
430 .name = "set",
431 .type = QEMU_OPT_NUMBER,
432 .help = "ID of the fd set to add fd to",
433 },{
434 .name = "opaque",
435 .type = QEMU_OPT_STRING,
436 .help = "free-form string used to describe fd",
437 },
438 { /* end of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_object_opts = {
443 .name = "object",
444 .implied_opt_name = "qom-type",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
446 .desc = {
447 { }
448 },
449 };
450
451 static QemuOptsList qemu_tpmdev_opts = {
452 .name = "tpmdev",
453 .implied_opt_name = "type",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
455 .desc = {
456 /* options are defined in the TPM backends */
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_realtime_opts = {
462 .name = "realtime",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
464 .desc = {
465 {
466 .name = "mlock",
467 .type = QEMU_OPT_BOOL,
468 },
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_msg_opts = {
474 .name = "msg",
475 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
476 .desc = {
477 {
478 .name = "timestamp",
479 .type = QEMU_OPT_BOOL,
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_name_opts = {
486 .name = "name",
487 .implied_opt_name = "guest",
488 .merge_lists = true,
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
490 .desc = {
491 {
492 .name = "guest",
493 .type = QEMU_OPT_STRING,
494 .help = "Sets the name of the guest.\n"
495 "This name will be displayed in the SDL window caption.\n"
496 "The name will also be used for the VNC server",
497 }, {
498 .name = "process",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the QEMU process, as shown in top etc",
501 }, {
502 .name = "debug-threads",
503 .type = QEMU_OPT_BOOL,
504 .help = "When enabled, name the individual threads; defaults off.\n"
505 "NOTE: The thread names are for debugging and not a\n"
506 "stable API.",
507 },
508 { /* End of list */ }
509 },
510 };
511
512 static QemuOptsList qemu_mem_opts = {
513 .name = "memory",
514 .implied_opt_name = "size",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
516 .merge_lists = true,
517 .desc = {
518 {
519 .name = "size",
520 .type = QEMU_OPT_SIZE,
521 },
522 {
523 .name = "slots",
524 .type = QEMU_OPT_NUMBER,
525 },
526 {
527 .name = "maxmem",
528 .type = QEMU_OPT_SIZE,
529 },
530 { /* end of list */ }
531 },
532 };
533
534 /**
535 * Get machine options
536 *
537 * Returns: machine options (never null).
538 */
539 QemuOpts *qemu_get_machine_opts(void)
540 {
541 return qemu_find_opts_singleton("machine");
542 }
543
544 const char *qemu_get_vm_name(void)
545 {
546 return qemu_name;
547 }
548
549 static void res_free(void)
550 {
551 if (boot_splash_filedata != NULL) {
552 g_free(boot_splash_filedata);
553 boot_splash_filedata = NULL;
554 }
555 }
556
557 static int default_driver_check(QemuOpts *opts, void *opaque)
558 {
559 const char *driver = qemu_opt_get(opts, "driver");
560 int i;
561
562 if (!driver)
563 return 0;
564 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
565 if (strcmp(default_list[i].driver, driver) != 0)
566 continue;
567 *(default_list[i].flag) = 0;
568 }
569 return 0;
570 }
571
572 /***********************************************************/
573 /* QEMU state */
574
575 static RunState current_run_state = RUN_STATE_PRELAUNCH;
576
577 typedef struct {
578 RunState from;
579 RunState to;
580 } RunStateTransition;
581
582 static const RunStateTransition runstate_transitions_def[] = {
583 /* from -> to */
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
589
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
591 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
594 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
597 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
605
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
607 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
608
609 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
610
611 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
612 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
614 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
615 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
618 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
620 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
621
622 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
623
624 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
625 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
626
627 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
628 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
629 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
630 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
633 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
634
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
636 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
637
638 { RUN_STATE_MAX, RUN_STATE_MAX },
639 };
640
641 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
642
643 bool runstate_check(RunState state)
644 {
645 return current_run_state == state;
646 }
647
648 static void runstate_init(void)
649 {
650 const RunStateTransition *p;
651
652 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
653
654 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
655 runstate_valid_transitions[p->from][p->to] = true;
656 }
657 }
658
659 /* This function will abort() on invalid state transitions */
660 void runstate_set(RunState new_state)
661 {
662 assert(new_state < RUN_STATE_MAX);
663
664 if (!runstate_valid_transitions[current_run_state][new_state]) {
665 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
666 RunState_lookup[current_run_state],
667 RunState_lookup[new_state]);
668 abort();
669 }
670 trace_runstate_set(new_state);
671 current_run_state = new_state;
672 }
673
674 int runstate_is_running(void)
675 {
676 return runstate_check(RUN_STATE_RUNNING);
677 }
678
679 bool runstate_needs_reset(void)
680 {
681 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
682 runstate_check(RUN_STATE_SHUTDOWN);
683 }
684
685 StatusInfo *qmp_query_status(Error **errp)
686 {
687 StatusInfo *info = g_malloc0(sizeof(*info));
688
689 info->running = runstate_is_running();
690 info->singlestep = singlestep;
691 info->status = current_run_state;
692
693 return info;
694 }
695
696 /***********************************************************/
697 /* real time host monotonic timer */
698
699 /***********************************************************/
700 /* host time/date access */
701 void qemu_get_timedate(struct tm *tm, int offset)
702 {
703 time_t ti;
704
705 time(&ti);
706 ti += offset;
707 if (rtc_date_offset == -1) {
708 if (rtc_utc)
709 gmtime_r(&ti, tm);
710 else
711 localtime_r(&ti, tm);
712 } else {
713 ti -= rtc_date_offset;
714 gmtime_r(&ti, tm);
715 }
716 }
717
718 int qemu_timedate_diff(struct tm *tm)
719 {
720 time_t seconds;
721
722 if (rtc_date_offset == -1)
723 if (rtc_utc)
724 seconds = mktimegm(tm);
725 else {
726 struct tm tmp = *tm;
727 tmp.tm_isdst = -1; /* use timezone to figure it out */
728 seconds = mktime(&tmp);
729 }
730 else
731 seconds = mktimegm(tm) + rtc_date_offset;
732
733 return seconds - time(NULL);
734 }
735
736 void rtc_change_mon_event(struct tm *tm)
737 {
738 QObject *data;
739
740 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
741 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
742 qobject_decref(data);
743 }
744
745 static void configure_rtc_date_offset(const char *startdate, int legacy)
746 {
747 time_t rtc_start_date;
748 struct tm tm;
749
750 if (!strcmp(startdate, "now") && legacy) {
751 rtc_date_offset = -1;
752 } else {
753 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
754 &tm.tm_year,
755 &tm.tm_mon,
756 &tm.tm_mday,
757 &tm.tm_hour,
758 &tm.tm_min,
759 &tm.tm_sec) == 6) {
760 /* OK */
761 } else if (sscanf(startdate, "%d-%d-%d",
762 &tm.tm_year,
763 &tm.tm_mon,
764 &tm.tm_mday) == 3) {
765 tm.tm_hour = 0;
766 tm.tm_min = 0;
767 tm.tm_sec = 0;
768 } else {
769 goto date_fail;
770 }
771 tm.tm_year -= 1900;
772 tm.tm_mon--;
773 rtc_start_date = mktimegm(&tm);
774 if (rtc_start_date == -1) {
775 date_fail:
776 fprintf(stderr, "Invalid date format. Valid formats are:\n"
777 "'2006-06-17T16:01:21' or '2006-06-17'\n");
778 exit(1);
779 }
780 rtc_date_offset = time(NULL) - rtc_start_date;
781 }
782 }
783
784 static void configure_rtc(QemuOpts *opts)
785 {
786 const char *value;
787
788 value = qemu_opt_get(opts, "base");
789 if (value) {
790 if (!strcmp(value, "utc")) {
791 rtc_utc = 1;
792 } else if (!strcmp(value, "localtime")) {
793 rtc_utc = 0;
794 } else {
795 configure_rtc_date_offset(value, 0);
796 }
797 }
798 value = qemu_opt_get(opts, "clock");
799 if (value) {
800 if (!strcmp(value, "host")) {
801 rtc_clock = QEMU_CLOCK_HOST;
802 } else if (!strcmp(value, "rt")) {
803 rtc_clock = QEMU_CLOCK_REALTIME;
804 } else if (!strcmp(value, "vm")) {
805 rtc_clock = QEMU_CLOCK_VIRTUAL;
806 } else {
807 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
808 exit(1);
809 }
810 }
811 value = qemu_opt_get(opts, "driftfix");
812 if (value) {
813 if (!strcmp(value, "slew")) {
814 static GlobalProperty slew_lost_ticks[] = {
815 {
816 .driver = "mc146818rtc",
817 .property = "lost_tick_policy",
818 .value = "slew",
819 },
820 { /* end of list */ }
821 };
822
823 qdev_prop_register_global_list(slew_lost_ticks);
824 } else if (!strcmp(value, "none")) {
825 /* discard is default */
826 } else {
827 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
828 exit(1);
829 }
830 }
831 }
832
833 /***********************************************************/
834 /* Bluetooth support */
835 static int nb_hcis;
836 static int cur_hci;
837 static struct HCIInfo *hci_table[MAX_NICS];
838
839 struct HCIInfo *qemu_next_hci(void)
840 {
841 if (cur_hci == nb_hcis)
842 return &null_hci;
843
844 return hci_table[cur_hci++];
845 }
846
847 static int bt_hci_parse(const char *str)
848 {
849 struct HCIInfo *hci;
850 bdaddr_t bdaddr;
851
852 if (nb_hcis >= MAX_NICS) {
853 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
854 return -1;
855 }
856
857 hci = hci_init(str);
858 if (!hci)
859 return -1;
860
861 bdaddr.b[0] = 0x52;
862 bdaddr.b[1] = 0x54;
863 bdaddr.b[2] = 0x00;
864 bdaddr.b[3] = 0x12;
865 bdaddr.b[4] = 0x34;
866 bdaddr.b[5] = 0x56 + nb_hcis;
867 hci->bdaddr_set(hci, bdaddr.b);
868
869 hci_table[nb_hcis++] = hci;
870
871 return 0;
872 }
873
874 static void bt_vhci_add(int vlan_id)
875 {
876 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
877
878 if (!vlan->slave)
879 fprintf(stderr, "qemu: warning: adding a VHCI to "
880 "an empty scatternet %i\n", vlan_id);
881
882 bt_vhci_init(bt_new_hci(vlan));
883 }
884
885 static struct bt_device_s *bt_device_add(const char *opt)
886 {
887 struct bt_scatternet_s *vlan;
888 int vlan_id = 0;
889 char *endp = strstr(opt, ",vlan=");
890 int len = (endp ? endp - opt : strlen(opt)) + 1;
891 char devname[10];
892
893 pstrcpy(devname, MIN(sizeof(devname), len), opt);
894
895 if (endp) {
896 vlan_id = strtol(endp + 6, &endp, 0);
897 if (*endp) {
898 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
899 return 0;
900 }
901 }
902
903 vlan = qemu_find_bt_vlan(vlan_id);
904
905 if (!vlan->slave)
906 fprintf(stderr, "qemu: warning: adding a slave device to "
907 "an empty scatternet %i\n", vlan_id);
908
909 if (!strcmp(devname, "keyboard"))
910 return bt_keyboard_init(vlan);
911
912 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
913 return 0;
914 }
915
916 static int bt_parse(const char *opt)
917 {
918 const char *endp, *p;
919 int vlan;
920
921 if (strstart(opt, "hci", &endp)) {
922 if (!*endp || *endp == ',') {
923 if (*endp)
924 if (!strstart(endp, ",vlan=", 0))
925 opt = endp + 1;
926
927 return bt_hci_parse(opt);
928 }
929 } else if (strstart(opt, "vhci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp) {
932 if (strstart(endp, ",vlan=", &p)) {
933 vlan = strtol(p, (char **) &endp, 0);
934 if (*endp) {
935 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
936 return 1;
937 }
938 } else {
939 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
940 return 1;
941 }
942 } else
943 vlan = 0;
944
945 bt_vhci_add(vlan);
946 return 0;
947 }
948 } else if (strstart(opt, "device:", &endp))
949 return !bt_device_add(endp);
950
951 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
952 return 1;
953 }
954
955 static int parse_sandbox(QemuOpts *opts, void *opaque)
956 {
957 /* FIXME: change this to true for 1.3 */
958 if (qemu_opt_get_bool(opts, "enable", false)) {
959 #ifdef CONFIG_SECCOMP
960 if (seccomp_start() < 0) {
961 qerror_report(ERROR_CLASS_GENERIC_ERROR,
962 "failed to install seccomp syscall filter in the kernel");
963 return -1;
964 }
965 #else
966 qerror_report(ERROR_CLASS_GENERIC_ERROR,
967 "sandboxing request but seccomp is not compiled into this build");
968 return -1;
969 #endif
970 }
971
972 return 0;
973 }
974
975 static int parse_name(QemuOpts *opts, void *opaque)
976 {
977 const char *proc_name;
978
979 if (qemu_opt_get(opts, "debug-threads")) {
980 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
981 }
982 qemu_name = qemu_opt_get(opts, "guest");
983
984 proc_name = qemu_opt_get(opts, "process");
985 if (proc_name) {
986 os_set_proc_name(proc_name);
987 }
988
989 return 0;
990 }
991
992 bool usb_enabled(bool default_usb)
993 {
994 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
995 has_defaults && default_usb);
996 }
997
998 #ifndef _WIN32
999 static int parse_add_fd(QemuOpts *opts, void *opaque)
1000 {
1001 int fd, dupfd, flags;
1002 int64_t fdset_id;
1003 const char *fd_opaque = NULL;
1004
1005 fd = qemu_opt_get_number(opts, "fd", -1);
1006 fdset_id = qemu_opt_get_number(opts, "set", -1);
1007 fd_opaque = qemu_opt_get(opts, "opaque");
1008
1009 if (fd < 0) {
1010 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1011 "fd option is required and must be non-negative");
1012 return -1;
1013 }
1014
1015 if (fd <= STDERR_FILENO) {
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "fd cannot be a standard I/O stream");
1018 return -1;
1019 }
1020
1021 /*
1022 * All fds inherited across exec() necessarily have FD_CLOEXEC
1023 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1024 */
1025 flags = fcntl(fd, F_GETFD);
1026 if (flags == -1 || (flags & FD_CLOEXEC)) {
1027 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1028 "fd is not valid or already in use");
1029 return -1;
1030 }
1031
1032 if (fdset_id < 0) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "set option is required and must be non-negative");
1035 return -1;
1036 }
1037
1038 #ifdef F_DUPFD_CLOEXEC
1039 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1040 #else
1041 dupfd = dup(fd);
1042 if (dupfd != -1) {
1043 qemu_set_cloexec(dupfd);
1044 }
1045 #endif
1046 if (dupfd == -1) {
1047 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1048 "Error duplicating fd: %s", strerror(errno));
1049 return -1;
1050 }
1051
1052 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1053 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1054 fd_opaque, NULL);
1055
1056 return 0;
1057 }
1058
1059 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1060 {
1061 int fd;
1062
1063 fd = qemu_opt_get_number(opts, "fd", -1);
1064 close(fd);
1065
1066 return 0;
1067 }
1068 #endif
1069
1070 /***********************************************************/
1071 /* QEMU Block devices */
1072
1073 #define HD_OPTS "media=disk"
1074 #define CDROM_OPTS "media=cdrom"
1075 #define FD_OPTS ""
1076 #define PFLASH_OPTS ""
1077 #define MTD_OPTS ""
1078 #define SD_OPTS ""
1079
1080 static int drive_init_func(QemuOpts *opts, void *opaque)
1081 {
1082 BlockInterfaceType *block_default_type = opaque;
1083
1084 return drive_new(opts, *block_default_type) == NULL;
1085 }
1086
1087 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1088 {
1089 if (NULL == qemu_opt_get(opts, "snapshot")) {
1090 qemu_opt_set(opts, "snapshot", "on");
1091 }
1092 return 0;
1093 }
1094
1095 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1096 int index, const char *optstr)
1097 {
1098 QemuOpts *opts;
1099
1100 if (!enable || drive_get_by_index(type, index)) {
1101 return;
1102 }
1103
1104 opts = drive_add(type, index, NULL, optstr);
1105 if (snapshot) {
1106 drive_enable_snapshot(opts, NULL);
1107 }
1108 if (!drive_new(opts, type)) {
1109 exit(1);
1110 }
1111 }
1112
1113 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1114 {
1115 boot_set_handler = func;
1116 boot_set_opaque = opaque;
1117 }
1118
1119 int qemu_boot_set(const char *boot_order)
1120 {
1121 if (!boot_set_handler) {
1122 return -EINVAL;
1123 }
1124 return boot_set_handler(boot_set_opaque, boot_order);
1125 }
1126
1127 static void validate_bootdevices(const char *devices)
1128 {
1129 /* We just do some generic consistency checks */
1130 const char *p;
1131 int bitmap = 0;
1132
1133 for (p = devices; *p != '\0'; p++) {
1134 /* Allowed boot devices are:
1135 * a-b: floppy disk drives
1136 * c-f: IDE disk drives
1137 * g-m: machine implementation dependent drives
1138 * n-p: network devices
1139 * It's up to each machine implementation to check if the given boot
1140 * devices match the actual hardware implementation and firmware
1141 * features.
1142 */
1143 if (*p < 'a' || *p > 'p') {
1144 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1145 exit(1);
1146 }
1147 if (bitmap & (1 << (*p - 'a'))) {
1148 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1149 exit(1);
1150 }
1151 bitmap |= 1 << (*p - 'a');
1152 }
1153 }
1154
1155 static void restore_boot_order(void *opaque)
1156 {
1157 char *normal_boot_order = opaque;
1158 static int first = 1;
1159
1160 /* Restore boot order and remove ourselves after the first boot */
1161 if (first) {
1162 first = 0;
1163 return;
1164 }
1165
1166 qemu_boot_set(normal_boot_order);
1167
1168 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1169 g_free(normal_boot_order);
1170 }
1171
1172 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1173 const char *suffix)
1174 {
1175 FWBootEntry *node, *i;
1176
1177 if (bootindex < 0) {
1178 return;
1179 }
1180
1181 assert(dev != NULL || suffix != NULL);
1182
1183 node = g_malloc0(sizeof(FWBootEntry));
1184 node->bootindex = bootindex;
1185 node->suffix = g_strdup(suffix);
1186 node->dev = dev;
1187
1188 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1189 if (i->bootindex == bootindex) {
1190 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1191 exit(1);
1192 } else if (i->bootindex < bootindex) {
1193 continue;
1194 }
1195 QTAILQ_INSERT_BEFORE(i, node, link);
1196 return;
1197 }
1198 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1199 }
1200
1201 DeviceState *get_boot_device(uint32_t position)
1202 {
1203 uint32_t counter = 0;
1204 FWBootEntry *i = NULL;
1205 DeviceState *res = NULL;
1206
1207 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1208 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1209 if (counter == position) {
1210 res = i->dev;
1211 break;
1212 }
1213 counter++;
1214 }
1215 }
1216 return res;
1217 }
1218
1219 /*
1220 * This function returns null terminated string that consist of new line
1221 * separated device paths.
1222 *
1223 * memory pointed by "size" is assigned total length of the array in bytes
1224 *
1225 */
1226 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1227 {
1228 FWBootEntry *i;
1229 size_t total = 0;
1230 char *list = NULL;
1231
1232 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1233 char *devpath = NULL, *bootpath;
1234 size_t len;
1235
1236 if (i->dev) {
1237 devpath = qdev_get_fw_dev_path(i->dev);
1238 assert(devpath);
1239 }
1240
1241 if (i->suffix && !ignore_suffixes && devpath) {
1242 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1243
1244 bootpath = g_malloc(bootpathlen);
1245 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1246 g_free(devpath);
1247 } else if (devpath) {
1248 bootpath = devpath;
1249 } else if (!ignore_suffixes) {
1250 assert(i->suffix);
1251 bootpath = g_strdup(i->suffix);
1252 } else {
1253 bootpath = g_strdup("");
1254 }
1255
1256 if (total) {
1257 list[total-1] = '\n';
1258 }
1259 len = strlen(bootpath) + 1;
1260 list = g_realloc(list, total + len);
1261 memcpy(&list[total], bootpath, len);
1262 total += len;
1263 g_free(bootpath);
1264 }
1265
1266 *size = total;
1267
1268 if (boot_strict && *size > 0) {
1269 list[total-1] = '\n';
1270 list = g_realloc(list, total + 5);
1271 memcpy(&list[total], "HALT", 5);
1272 *size = total + 5;
1273 }
1274 return list;
1275 }
1276
1277 static QemuOptsList qemu_smp_opts = {
1278 .name = "smp-opts",
1279 .implied_opt_name = "cpus",
1280 .merge_lists = true,
1281 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1282 .desc = {
1283 {
1284 .name = "cpus",
1285 .type = QEMU_OPT_NUMBER,
1286 }, {
1287 .name = "sockets",
1288 .type = QEMU_OPT_NUMBER,
1289 }, {
1290 .name = "cores",
1291 .type = QEMU_OPT_NUMBER,
1292 }, {
1293 .name = "threads",
1294 .type = QEMU_OPT_NUMBER,
1295 }, {
1296 .name = "maxcpus",
1297 .type = QEMU_OPT_NUMBER,
1298 },
1299 { /*End of list */ }
1300 },
1301 };
1302
1303 static void smp_parse(QemuOpts *opts)
1304 {
1305 if (opts) {
1306
1307 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1308 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1309 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1310 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1311
1312 /* compute missing values, prefer sockets over cores over threads */
1313 if (cpus == 0 || sockets == 0) {
1314 sockets = sockets > 0 ? sockets : 1;
1315 cores = cores > 0 ? cores : 1;
1316 threads = threads > 0 ? threads : 1;
1317 if (cpus == 0) {
1318 cpus = cores * threads * sockets;
1319 }
1320 } else {
1321 if (cores == 0) {
1322 threads = threads > 0 ? threads : 1;
1323 cores = cpus / (sockets * threads);
1324 } else {
1325 threads = cpus / (cores * sockets);
1326 }
1327 }
1328
1329 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1330
1331 smp_cpus = cpus;
1332 smp_cores = cores > 0 ? cores : 1;
1333 smp_threads = threads > 0 ? threads : 1;
1334
1335 }
1336
1337 if (max_cpus == 0) {
1338 max_cpus = smp_cpus;
1339 }
1340
1341 if (max_cpus > MAX_CPUMASK_BITS) {
1342 fprintf(stderr, "Unsupported number of maxcpus\n");
1343 exit(1);
1344 }
1345 if (max_cpus < smp_cpus) {
1346 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1347 exit(1);
1348 }
1349
1350 }
1351
1352 static void configure_realtime(QemuOpts *opts)
1353 {
1354 bool enable_mlock;
1355
1356 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1357
1358 if (enable_mlock) {
1359 if (os_mlock() < 0) {
1360 fprintf(stderr, "qemu: locking memory failed\n");
1361 exit(1);
1362 }
1363 }
1364 }
1365
1366
1367 static void configure_msg(QemuOpts *opts)
1368 {
1369 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1370 }
1371
1372 /***********************************************************/
1373 /* USB devices */
1374
1375 static int usb_device_add(const char *devname)
1376 {
1377 USBDevice *dev = NULL;
1378 #ifndef CONFIG_LINUX
1379 const char *p;
1380 #endif
1381
1382 if (!usb_enabled(false)) {
1383 return -1;
1384 }
1385
1386 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1387 dev = usbdevice_create(devname);
1388 if (dev)
1389 goto done;
1390
1391 /* the other ones */
1392 #ifndef CONFIG_LINUX
1393 /* only the linux version is qdev-ified, usb-bsd still needs this */
1394 if (strstart(devname, "host:", &p)) {
1395 dev = usb_host_device_open(usb_bus_find(-1), p);
1396 }
1397 #endif
1398 if (!dev)
1399 return -1;
1400
1401 done:
1402 return 0;
1403 }
1404
1405 static int usb_device_del(const char *devname)
1406 {
1407 int bus_num, addr;
1408 const char *p;
1409
1410 if (strstart(devname, "host:", &p)) {
1411 return -1;
1412 }
1413
1414 if (!usb_enabled(false)) {
1415 return -1;
1416 }
1417
1418 p = strchr(devname, '.');
1419 if (!p)
1420 return -1;
1421 bus_num = strtoul(devname, NULL, 0);
1422 addr = strtoul(p + 1, NULL, 0);
1423
1424 return usb_device_delete_addr(bus_num, addr);
1425 }
1426
1427 static int usb_parse(const char *cmdline)
1428 {
1429 int r;
1430 r = usb_device_add(cmdline);
1431 if (r < 0) {
1432 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1433 }
1434 return r;
1435 }
1436
1437 void do_usb_add(Monitor *mon, const QDict *qdict)
1438 {
1439 const char *devname = qdict_get_str(qdict, "devname");
1440 if (usb_device_add(devname) < 0) {
1441 error_report("could not add USB device '%s'", devname);
1442 }
1443 }
1444
1445 void do_usb_del(Monitor *mon, const QDict *qdict)
1446 {
1447 const char *devname = qdict_get_str(qdict, "devname");
1448 if (usb_device_del(devname) < 0) {
1449 error_report("could not delete USB device '%s'", devname);
1450 }
1451 }
1452
1453 /***********************************************************/
1454 /* PCMCIA/Cardbus */
1455
1456 static struct pcmcia_socket_entry_s {
1457 PCMCIASocket *socket;
1458 struct pcmcia_socket_entry_s *next;
1459 } *pcmcia_sockets = 0;
1460
1461 void pcmcia_socket_register(PCMCIASocket *socket)
1462 {
1463 struct pcmcia_socket_entry_s *entry;
1464
1465 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1466 entry->socket = socket;
1467 entry->next = pcmcia_sockets;
1468 pcmcia_sockets = entry;
1469 }
1470
1471 void pcmcia_socket_unregister(PCMCIASocket *socket)
1472 {
1473 struct pcmcia_socket_entry_s *entry, **ptr;
1474
1475 ptr = &pcmcia_sockets;
1476 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1477 if (entry->socket == socket) {
1478 *ptr = entry->next;
1479 g_free(entry);
1480 }
1481 }
1482
1483 void pcmcia_info(Monitor *mon, const QDict *qdict)
1484 {
1485 struct pcmcia_socket_entry_s *iter;
1486
1487 if (!pcmcia_sockets)
1488 monitor_printf(mon, "No PCMCIA sockets\n");
1489
1490 for (iter = pcmcia_sockets; iter; iter = iter->next)
1491 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1492 iter->socket->attached ? iter->socket->card_string :
1493 "Empty");
1494 }
1495
1496 /***********************************************************/
1497 /* machine registration */
1498
1499 MachineState *current_machine;
1500
1501 static void machine_class_init(ObjectClass *oc, void *data)
1502 {
1503 MachineClass *mc = MACHINE_CLASS(oc);
1504 QEMUMachine *qm = data;
1505
1506 mc->name = qm->name;
1507 mc->alias = qm->alias;
1508 mc->desc = qm->desc;
1509 mc->init = qm->init;
1510 mc->reset = qm->reset;
1511 mc->hot_add_cpu = qm->hot_add_cpu;
1512 mc->kvm_type = qm->kvm_type;
1513 mc->block_default_type = qm->block_default_type;
1514 mc->max_cpus = qm->max_cpus;
1515 mc->no_serial = qm->no_serial;
1516 mc->no_parallel = qm->no_parallel;
1517 mc->use_virtcon = qm->use_virtcon;
1518 mc->use_sclp = qm->use_sclp;
1519 mc->no_floppy = qm->no_floppy;
1520 mc->no_cdrom = qm->no_cdrom;
1521 mc->no_sdcard = qm->no_sdcard;
1522 mc->is_default = qm->is_default;
1523 mc->default_machine_opts = qm->default_machine_opts;
1524 mc->default_boot_order = qm->default_boot_order;
1525 mc->compat_props = qm->compat_props;
1526 mc->hw_version = qm->hw_version;
1527 }
1528
1529 int qemu_register_machine(QEMUMachine *m)
1530 {
1531 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1532 TypeInfo ti = {
1533 .name = name,
1534 .parent = TYPE_MACHINE,
1535 .class_init = machine_class_init,
1536 .class_data = (void *)m,
1537 };
1538
1539 type_register(&ti);
1540 g_free(name);
1541
1542 return 0;
1543 }
1544
1545 static MachineClass *find_machine(const char *name)
1546 {
1547 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1548 MachineClass *mc = NULL;
1549
1550 for (el = machines; el; el = el->next) {
1551 MachineClass *temp = el->data;
1552
1553 if (!strcmp(temp->name, name)) {
1554 mc = temp;
1555 break;
1556 }
1557 if (temp->alias &&
1558 !strcmp(temp->alias, name)) {
1559 mc = temp;
1560 break;
1561 }
1562 }
1563
1564 g_slist_free(machines);
1565 return mc;
1566 }
1567
1568 MachineClass *find_default_machine(void)
1569 {
1570 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1571 MachineClass *mc = NULL;
1572
1573 for (el = machines; el; el = el->next) {
1574 MachineClass *temp = el->data;
1575
1576 if (temp->is_default) {
1577 mc = temp;
1578 break;
1579 }
1580 }
1581
1582 g_slist_free(machines);
1583 return mc;
1584 }
1585
1586 MachineInfoList *qmp_query_machines(Error **errp)
1587 {
1588 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1589 MachineInfoList *mach_list = NULL;
1590
1591 for (el = machines; el; el = el->next) {
1592 MachineClass *mc = el->data;
1593 MachineInfoList *entry;
1594 MachineInfo *info;
1595
1596 info = g_malloc0(sizeof(*info));
1597 if (mc->is_default) {
1598 info->has_is_default = true;
1599 info->is_default = true;
1600 }
1601
1602 if (mc->alias) {
1603 info->has_alias = true;
1604 info->alias = g_strdup(mc->alias);
1605 }
1606
1607 info->name = g_strdup(mc->name);
1608 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1609
1610 entry = g_malloc0(sizeof(*entry));
1611 entry->value = info;
1612 entry->next = mach_list;
1613 mach_list = entry;
1614 }
1615
1616 g_slist_free(machines);
1617 return mach_list;
1618 }
1619
1620 /***********************************************************/
1621 /* main execution loop */
1622
1623 struct vm_change_state_entry {
1624 VMChangeStateHandler *cb;
1625 void *opaque;
1626 QLIST_ENTRY (vm_change_state_entry) entries;
1627 };
1628
1629 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1630
1631 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1632 void *opaque)
1633 {
1634 VMChangeStateEntry *e;
1635
1636 e = g_malloc0(sizeof (*e));
1637
1638 e->cb = cb;
1639 e->opaque = opaque;
1640 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1641 return e;
1642 }
1643
1644 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1645 {
1646 QLIST_REMOVE (e, entries);
1647 g_free (e);
1648 }
1649
1650 void vm_state_notify(int running, RunState state)
1651 {
1652 VMChangeStateEntry *e;
1653
1654 trace_vm_state_notify(running, state);
1655
1656 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1657 e->cb(e->opaque, running, state);
1658 }
1659 }
1660
1661 void vm_start(void)
1662 {
1663 if (!runstate_is_running()) {
1664 cpu_enable_ticks();
1665 runstate_set(RUN_STATE_RUNNING);
1666 vm_state_notify(1, RUN_STATE_RUNNING);
1667 resume_all_vcpus();
1668 monitor_protocol_event(QEVENT_RESUME, NULL);
1669 }
1670 }
1671
1672 /* reset/shutdown handler */
1673
1674 typedef struct QEMUResetEntry {
1675 QTAILQ_ENTRY(QEMUResetEntry) entry;
1676 QEMUResetHandler *func;
1677 void *opaque;
1678 } QEMUResetEntry;
1679
1680 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1681 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1682 static int reset_requested;
1683 static int shutdown_requested, shutdown_signal = -1;
1684 static pid_t shutdown_pid;
1685 static int powerdown_requested;
1686 static int debug_requested;
1687 static int suspend_requested;
1688 static WakeupReason wakeup_reason;
1689 static NotifierList powerdown_notifiers =
1690 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1691 static NotifierList suspend_notifiers =
1692 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1693 static NotifierList wakeup_notifiers =
1694 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1695 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1696 static RunState vmstop_requested = RUN_STATE_MAX;
1697
1698 int qemu_shutdown_requested_get(void)
1699 {
1700 return shutdown_requested;
1701 }
1702
1703 int qemu_reset_requested_get(void)
1704 {
1705 return reset_requested;
1706 }
1707
1708 static int qemu_shutdown_requested(void)
1709 {
1710 int r = shutdown_requested;
1711 shutdown_requested = 0;
1712 return r;
1713 }
1714
1715 static void qemu_kill_report(void)
1716 {
1717 if (!qtest_driver() && shutdown_signal != -1) {
1718 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1719 if (shutdown_pid == 0) {
1720 /* This happens for eg ^C at the terminal, so it's worth
1721 * avoiding printing an odd message in that case.
1722 */
1723 fputc('\n', stderr);
1724 } else {
1725 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1726 }
1727 shutdown_signal = -1;
1728 }
1729 }
1730
1731 static int qemu_reset_requested(void)
1732 {
1733 int r = reset_requested;
1734 reset_requested = 0;
1735 return r;
1736 }
1737
1738 static int qemu_suspend_requested(void)
1739 {
1740 int r = suspend_requested;
1741 suspend_requested = 0;
1742 return r;
1743 }
1744
1745 static WakeupReason qemu_wakeup_requested(void)
1746 {
1747 return wakeup_reason;
1748 }
1749
1750 static int qemu_powerdown_requested(void)
1751 {
1752 int r = powerdown_requested;
1753 powerdown_requested = 0;
1754 return r;
1755 }
1756
1757 static int qemu_debug_requested(void)
1758 {
1759 int r = debug_requested;
1760 debug_requested = 0;
1761 return r;
1762 }
1763
1764 /* We use RUN_STATE_MAX but any invalid value will do */
1765 static bool qemu_vmstop_requested(RunState *r)
1766 {
1767 if (vmstop_requested < RUN_STATE_MAX) {
1768 *r = vmstop_requested;
1769 vmstop_requested = RUN_STATE_MAX;
1770 return true;
1771 }
1772
1773 return false;
1774 }
1775
1776 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1777 {
1778 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1779
1780 re->func = func;
1781 re->opaque = opaque;
1782 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1783 }
1784
1785 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1786 {
1787 QEMUResetEntry *re;
1788
1789 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1790 if (re->func == func && re->opaque == opaque) {
1791 QTAILQ_REMOVE(&reset_handlers, re, entry);
1792 g_free(re);
1793 return;
1794 }
1795 }
1796 }
1797
1798 void qemu_devices_reset(void)
1799 {
1800 QEMUResetEntry *re, *nre;
1801
1802 /* reset all devices */
1803 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1804 re->func(re->opaque);
1805 }
1806 }
1807
1808 void qemu_system_reset(bool report)
1809 {
1810 MachineClass *mc;
1811
1812 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1813
1814 if (mc && mc->reset) {
1815 mc->reset();
1816 } else {
1817 qemu_devices_reset();
1818 }
1819 if (report) {
1820 monitor_protocol_event(QEVENT_RESET, NULL);
1821 }
1822 cpu_synchronize_all_post_reset();
1823 }
1824
1825 void qemu_system_reset_request(void)
1826 {
1827 if (no_reboot) {
1828 shutdown_requested = 1;
1829 } else {
1830 reset_requested = 1;
1831 }
1832 cpu_stop_current();
1833 qemu_notify_event();
1834 }
1835
1836 static void qemu_system_suspend(void)
1837 {
1838 pause_all_vcpus();
1839 notifier_list_notify(&suspend_notifiers, NULL);
1840 runstate_set(RUN_STATE_SUSPENDED);
1841 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1842 }
1843
1844 void qemu_system_suspend_request(void)
1845 {
1846 if (runstate_check(RUN_STATE_SUSPENDED)) {
1847 return;
1848 }
1849 suspend_requested = 1;
1850 cpu_stop_current();
1851 qemu_notify_event();
1852 }
1853
1854 void qemu_register_suspend_notifier(Notifier *notifier)
1855 {
1856 notifier_list_add(&suspend_notifiers, notifier);
1857 }
1858
1859 void qemu_system_wakeup_request(WakeupReason reason)
1860 {
1861 trace_system_wakeup_request(reason);
1862
1863 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1864 return;
1865 }
1866 if (!(wakeup_reason_mask & (1 << reason))) {
1867 return;
1868 }
1869 runstate_set(RUN_STATE_RUNNING);
1870 wakeup_reason = reason;
1871 qemu_notify_event();
1872 }
1873
1874 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1875 {
1876 if (enabled) {
1877 wakeup_reason_mask |= (1 << reason);
1878 } else {
1879 wakeup_reason_mask &= ~(1 << reason);
1880 }
1881 }
1882
1883 void qemu_register_wakeup_notifier(Notifier *notifier)
1884 {
1885 notifier_list_add(&wakeup_notifiers, notifier);
1886 }
1887
1888 void qemu_system_killed(int signal, pid_t pid)
1889 {
1890 shutdown_signal = signal;
1891 shutdown_pid = pid;
1892 no_shutdown = 0;
1893 qemu_system_shutdown_request();
1894 }
1895
1896 void qemu_system_shutdown_request(void)
1897 {
1898 shutdown_requested = 1;
1899 qemu_notify_event();
1900 }
1901
1902 static void qemu_system_powerdown(void)
1903 {
1904 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1905 notifier_list_notify(&powerdown_notifiers, NULL);
1906 }
1907
1908 void qemu_system_powerdown_request(void)
1909 {
1910 powerdown_requested = 1;
1911 qemu_notify_event();
1912 }
1913
1914 void qemu_register_powerdown_notifier(Notifier *notifier)
1915 {
1916 notifier_list_add(&powerdown_notifiers, notifier);
1917 }
1918
1919 void qemu_system_debug_request(void)
1920 {
1921 debug_requested = 1;
1922 qemu_notify_event();
1923 }
1924
1925 void qemu_system_vmstop_request(RunState state)
1926 {
1927 vmstop_requested = state;
1928 qemu_notify_event();
1929 }
1930
1931 static bool main_loop_should_exit(void)
1932 {
1933 RunState r;
1934 if (qemu_debug_requested()) {
1935 vm_stop(RUN_STATE_DEBUG);
1936 }
1937 if (qemu_suspend_requested()) {
1938 qemu_system_suspend();
1939 }
1940 if (qemu_shutdown_requested()) {
1941 qemu_kill_report();
1942 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1943 if (no_shutdown) {
1944 vm_stop(RUN_STATE_SHUTDOWN);
1945 } else {
1946 return true;
1947 }
1948 }
1949 if (qemu_reset_requested()) {
1950 pause_all_vcpus();
1951 cpu_synchronize_all_states();
1952 qemu_system_reset(VMRESET_REPORT);
1953 resume_all_vcpus();
1954 if (runstate_needs_reset()) {
1955 runstate_set(RUN_STATE_PAUSED);
1956 }
1957 }
1958 if (qemu_wakeup_requested()) {
1959 pause_all_vcpus();
1960 cpu_synchronize_all_states();
1961 qemu_system_reset(VMRESET_SILENT);
1962 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1963 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1964 resume_all_vcpus();
1965 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1966 }
1967 if (qemu_powerdown_requested()) {
1968 qemu_system_powerdown();
1969 }
1970 if (qemu_vmstop_requested(&r)) {
1971 vm_stop(r);
1972 }
1973 return false;
1974 }
1975
1976 static void main_loop(void)
1977 {
1978 bool nonblocking;
1979 int last_io = 0;
1980 #ifdef CONFIG_PROFILER
1981 int64_t ti;
1982 #endif
1983 do {
1984 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1985 #ifdef CONFIG_PROFILER
1986 ti = profile_getclock();
1987 #endif
1988 last_io = main_loop_wait(nonblocking);
1989 #ifdef CONFIG_PROFILER
1990 dev_time += profile_getclock() - ti;
1991 #endif
1992 } while (!main_loop_should_exit());
1993 }
1994
1995 static void version(void)
1996 {
1997 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1998 }
1999
2000 static void help(int exitcode)
2001 {
2002 version();
2003 printf("usage: %s [options] [disk_image]\n\n"
2004 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2005 error_get_progname());
2006
2007 #define QEMU_OPTIONS_GENERATE_HELP
2008 #include "qemu-options-wrapper.h"
2009
2010 printf("\nDuring emulation, the following keys are useful:\n"
2011 "ctrl-alt-f toggle full screen\n"
2012 "ctrl-alt-n switch to virtual console 'n'\n"
2013 "ctrl-alt toggle mouse and keyboard grab\n"
2014 "\n"
2015 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2016
2017 exit(exitcode);
2018 }
2019
2020 #define HAS_ARG 0x0001
2021
2022 typedef struct QEMUOption {
2023 const char *name;
2024 int flags;
2025 int index;
2026 uint32_t arch_mask;
2027 } QEMUOption;
2028
2029 static const QEMUOption qemu_options[] = {
2030 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2031 #define QEMU_OPTIONS_GENERATE_OPTIONS
2032 #include "qemu-options-wrapper.h"
2033 { NULL },
2034 };
2035
2036 static bool vga_available(void)
2037 {
2038 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2039 }
2040
2041 static bool cirrus_vga_available(void)
2042 {
2043 return object_class_by_name("cirrus-vga")
2044 || object_class_by_name("isa-cirrus-vga");
2045 }
2046
2047 static bool vmware_vga_available(void)
2048 {
2049 return object_class_by_name("vmware-svga");
2050 }
2051
2052 static bool qxl_vga_available(void)
2053 {
2054 return object_class_by_name("qxl-vga");
2055 }
2056
2057 static bool tcx_vga_available(void)
2058 {
2059 return object_class_by_name("SUNW,tcx");
2060 }
2061
2062 static bool cg3_vga_available(void)
2063 {
2064 return object_class_by_name("cgthree");
2065 }
2066
2067 static void select_vgahw (const char *p)
2068 {
2069 const char *opts;
2070
2071 assert(vga_interface_type == VGA_NONE);
2072 if (strstart(p, "std", &opts)) {
2073 if (vga_available()) {
2074 vga_interface_type = VGA_STD;
2075 } else {
2076 fprintf(stderr, "Error: standard VGA not available\n");
2077 exit(0);
2078 }
2079 } else if (strstart(p, "cirrus", &opts)) {
2080 if (cirrus_vga_available()) {
2081 vga_interface_type = VGA_CIRRUS;
2082 } else {
2083 fprintf(stderr, "Error: Cirrus VGA not available\n");
2084 exit(0);
2085 }
2086 } else if (strstart(p, "vmware", &opts)) {
2087 if (vmware_vga_available()) {
2088 vga_interface_type = VGA_VMWARE;
2089 } else {
2090 fprintf(stderr, "Error: VMWare SVGA not available\n");
2091 exit(0);
2092 }
2093 } else if (strstart(p, "xenfb", &opts)) {
2094 vga_interface_type = VGA_XENFB;
2095 } else if (strstart(p, "qxl", &opts)) {
2096 if (qxl_vga_available()) {
2097 vga_interface_type = VGA_QXL;
2098 } else {
2099 fprintf(stderr, "Error: QXL VGA not available\n");
2100 exit(0);
2101 }
2102 } else if (strstart(p, "tcx", &opts)) {
2103 if (tcx_vga_available()) {
2104 vga_interface_type = VGA_TCX;
2105 } else {
2106 fprintf(stderr, "Error: TCX framebuffer not available\n");
2107 exit(0);
2108 }
2109 } else if (strstart(p, "cg3", &opts)) {
2110 if (cg3_vga_available()) {
2111 vga_interface_type = VGA_CG3;
2112 } else {
2113 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2114 exit(0);
2115 }
2116 } else if (!strstart(p, "none", &opts)) {
2117 invalid_vga:
2118 fprintf(stderr, "Unknown vga type: %s\n", p);
2119 exit(1);
2120 }
2121 while (*opts) {
2122 const char *nextopt;
2123
2124 if (strstart(opts, ",retrace=", &nextopt)) {
2125 opts = nextopt;
2126 if (strstart(opts, "dumb", &nextopt))
2127 vga_retrace_method = VGA_RETRACE_DUMB;
2128 else if (strstart(opts, "precise", &nextopt))
2129 vga_retrace_method = VGA_RETRACE_PRECISE;
2130 else goto invalid_vga;
2131 } else goto invalid_vga;
2132 opts = nextopt;
2133 }
2134 }
2135
2136 static DisplayType select_display(const char *p)
2137 {
2138 const char *opts;
2139 DisplayType display = DT_DEFAULT;
2140
2141 if (strstart(p, "sdl", &opts)) {
2142 #ifdef CONFIG_SDL
2143 display = DT_SDL;
2144 while (*opts) {
2145 const char *nextopt;
2146
2147 if (strstart(opts, ",frame=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 no_frame = 0;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 no_frame = 1;
2153 } else {
2154 goto invalid_sdl_args;
2155 }
2156 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2157 opts = nextopt;
2158 if (strstart(opts, "on", &nextopt)) {
2159 alt_grab = 1;
2160 } else if (strstart(opts, "off", &nextopt)) {
2161 alt_grab = 0;
2162 } else {
2163 goto invalid_sdl_args;
2164 }
2165 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2166 opts = nextopt;
2167 if (strstart(opts, "on", &nextopt)) {
2168 ctrl_grab = 1;
2169 } else if (strstart(opts, "off", &nextopt)) {
2170 ctrl_grab = 0;
2171 } else {
2172 goto invalid_sdl_args;
2173 }
2174 } else if (strstart(opts, ",window_close=", &nextopt)) {
2175 opts = nextopt;
2176 if (strstart(opts, "on", &nextopt)) {
2177 no_quit = 0;
2178 } else if (strstart(opts, "off", &nextopt)) {
2179 no_quit = 1;
2180 } else {
2181 goto invalid_sdl_args;
2182 }
2183 } else {
2184 invalid_sdl_args:
2185 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2186 exit(1);
2187 }
2188 opts = nextopt;
2189 }
2190 #else
2191 fprintf(stderr, "SDL support is disabled\n");
2192 exit(1);
2193 #endif
2194 } else if (strstart(p, "vnc", &opts)) {
2195 #ifdef CONFIG_VNC
2196 display_remote++;
2197
2198 if (*opts) {
2199 const char *nextopt;
2200
2201 if (strstart(opts, "=", &nextopt)) {
2202 vnc_display = nextopt;
2203 }
2204 }
2205 if (!vnc_display) {
2206 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2207 exit(1);
2208 }
2209 #else
2210 fprintf(stderr, "VNC support is disabled\n");
2211 exit(1);
2212 #endif
2213 } else if (strstart(p, "curses", &opts)) {
2214 #ifdef CONFIG_CURSES
2215 display = DT_CURSES;
2216 #else
2217 fprintf(stderr, "Curses support is disabled\n");
2218 exit(1);
2219 #endif
2220 } else if (strstart(p, "gtk", &opts)) {
2221 #ifdef CONFIG_GTK
2222 display = DT_GTK;
2223 while (*opts) {
2224 const char *nextopt;
2225
2226 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2227 opts = nextopt;
2228 if (strstart(opts, "on", &nextopt)) {
2229 grab_on_hover = true;
2230 } else if (strstart(opts, "off", &nextopt)) {
2231 grab_on_hover = false;
2232 } else {
2233 goto invalid_gtk_args;
2234 }
2235 } else {
2236 invalid_gtk_args:
2237 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2238 exit(1);
2239 }
2240 opts = nextopt;
2241 }
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 MachineClass *machine_parse(const char *name)
2607 {
2608 MachineClass *mc = NULL;
2609 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2610
2611 if (name) {
2612 mc = find_machine(name);
2613 }
2614 if (mc) {
2615 return mc;
2616 }
2617 if (name && !is_help_option(name)) {
2618 error_report("Unsupported machine type");
2619 error_printf("Use -machine help to list supported machines!\n");
2620 } else {
2621 printf("Supported machines are:\n");
2622 for (el = machines; el; el = el->next) {
2623 MachineClass *mc = el->data;
2624 if (mc->alias) {
2625 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2626 }
2627 printf("%-20s %s%s\n", mc->name, mc->desc,
2628 mc->is_default ? " (default)" : "");
2629 }
2630 }
2631
2632 g_slist_free(machines);
2633 exit(!name || !is_help_option(name));
2634 }
2635
2636 static int tcg_init(MachineClass *mc)
2637 {
2638 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2639 return 0;
2640 }
2641
2642 static struct {
2643 const char *opt_name;
2644 const char *name;
2645 int (*available)(void);
2646 int (*init)(MachineClass *mc);
2647 bool *allowed;
2648 } accel_list[] = {
2649 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2650 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2651 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2652 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2653 };
2654
2655 static int configure_accelerator(MachineClass *mc)
2656 {
2657 const char *p;
2658 char buf[10];
2659 int i, ret;
2660 bool accel_initialised = false;
2661 bool init_failed = false;
2662
2663 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2664 if (p == NULL) {
2665 /* Use the default "accelerator", tcg */
2666 p = "tcg";
2667 }
2668
2669 while (!accel_initialised && *p != '\0') {
2670 if (*p == ':') {
2671 p++;
2672 }
2673 p = get_opt_name(buf, sizeof (buf), p, ':');
2674 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2675 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2676 if (!accel_list[i].available()) {
2677 printf("%s not supported for this target\n",
2678 accel_list[i].name);
2679 break;
2680 }
2681 *(accel_list[i].allowed) = true;
2682 ret = accel_list[i].init(mc);
2683 if (ret < 0) {
2684 init_failed = true;
2685 fprintf(stderr, "failed to initialize %s: %s\n",
2686 accel_list[i].name,
2687 strerror(-ret));
2688 *(accel_list[i].allowed) = false;
2689 } else {
2690 accel_initialised = true;
2691 }
2692 break;
2693 }
2694 }
2695 if (i == ARRAY_SIZE(accel_list)) {
2696 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2697 }
2698 }
2699
2700 if (!accel_initialised) {
2701 if (!init_failed) {
2702 fprintf(stderr, "No accelerator found!\n");
2703 }
2704 exit(1);
2705 }
2706
2707 if (init_failed) {
2708 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2709 }
2710
2711 return !accel_initialised;
2712 }
2713
2714 void qemu_add_exit_notifier(Notifier *notify)
2715 {
2716 notifier_list_add(&exit_notifiers, notify);
2717 }
2718
2719 void qemu_remove_exit_notifier(Notifier *notify)
2720 {
2721 notifier_remove(notify);
2722 }
2723
2724 static void qemu_run_exit_notifiers(void)
2725 {
2726 notifier_list_notify(&exit_notifiers, NULL);
2727 }
2728
2729 void qemu_add_machine_init_done_notifier(Notifier *notify)
2730 {
2731 notifier_list_add(&machine_init_done_notifiers, notify);
2732 }
2733
2734 static void qemu_run_machine_init_done_notifiers(void)
2735 {
2736 notifier_list_notify(&machine_init_done_notifiers, NULL);
2737 }
2738
2739 static const QEMUOption *lookup_opt(int argc, char **argv,
2740 const char **poptarg, int *poptind)
2741 {
2742 const QEMUOption *popt;
2743 int optind = *poptind;
2744 char *r = argv[optind];
2745 const char *optarg;
2746
2747 loc_set_cmdline(argv, optind, 1);
2748 optind++;
2749 /* Treat --foo the same as -foo. */
2750 if (r[1] == '-')
2751 r++;
2752 popt = qemu_options;
2753 for(;;) {
2754 if (!popt->name) {
2755 error_report("invalid option");
2756 exit(1);
2757 }
2758 if (!strcmp(popt->name, r + 1))
2759 break;
2760 popt++;
2761 }
2762 if (popt->flags & HAS_ARG) {
2763 if (optind >= argc) {
2764 error_report("requires an argument");
2765 exit(1);
2766 }
2767 optarg = argv[optind++];
2768 loc_set_cmdline(argv, optind - 2, 2);
2769 } else {
2770 optarg = NULL;
2771 }
2772
2773 *poptarg = optarg;
2774 *poptind = optind;
2775
2776 return popt;
2777 }
2778
2779 static gpointer malloc_and_trace(gsize n_bytes)
2780 {
2781 void *ptr = malloc(n_bytes);
2782 trace_g_malloc(n_bytes, ptr);
2783 return ptr;
2784 }
2785
2786 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2787 {
2788 void *ptr = realloc(mem, n_bytes);
2789 trace_g_realloc(mem, n_bytes, ptr);
2790 return ptr;
2791 }
2792
2793 static void free_and_trace(gpointer mem)
2794 {
2795 trace_g_free(mem);
2796 free(mem);
2797 }
2798
2799 static int object_set_property(const char *name, const char *value, void *opaque)
2800 {
2801 Object *obj = OBJECT(opaque);
2802 StringInputVisitor *siv;
2803 Error *local_err = NULL;
2804
2805 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2806 strcmp(name, "type") == 0) {
2807 return 0;
2808 }
2809
2810 siv = string_input_visitor_new(value);
2811 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2812 string_input_visitor_cleanup(siv);
2813
2814 if (local_err) {
2815 qerror_report_err(local_err);
2816 error_free(local_err);
2817 return -1;
2818 }
2819
2820 return 0;
2821 }
2822
2823 static int object_create(QemuOpts *opts, void *opaque)
2824 {
2825 const char *type = qemu_opt_get(opts, "qom-type");
2826 const char *id = qemu_opts_id(opts);
2827 Error *local_err = NULL;
2828 Object *obj;
2829
2830 g_assert(type != NULL);
2831
2832 if (id == NULL) {
2833 qerror_report(QERR_MISSING_PARAMETER, "id");
2834 return -1;
2835 }
2836
2837 obj = object_new(type);
2838 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2839 object_unref(obj);
2840 return -1;
2841 }
2842
2843 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2844 error_setg(&local_err, "object '%s' isn't supported by -object",
2845 id);
2846 goto out;
2847 }
2848
2849 object_property_add_child(container_get(object_get_root(), "/objects"),
2850 id, obj, &local_err);
2851
2852 user_creatable_complete(obj, &local_err);
2853 if (local_err) {
2854 object_property_del(container_get(object_get_root(), "/objects"),
2855 id, &error_abort);
2856 goto out;
2857 }
2858 out:
2859 object_unref(obj);
2860 if (local_err) {
2861 qerror_report_err(local_err);
2862 error_free(local_err);
2863 return -1;
2864 }
2865 return 0;
2866 }
2867
2868 int main(int argc, char **argv, char **envp)
2869 {
2870 int i;
2871 int snapshot, linux_boot;
2872 const char *icount_option = NULL;
2873 const char *initrd_filename;
2874 const char *kernel_filename, *kernel_cmdline;
2875 const char *boot_order;
2876 DisplayState *ds;
2877 int cyls, heads, secs, translation;
2878 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2879 QemuOptsList *olist;
2880 int optind;
2881 const char *optarg;
2882 const char *loadvm = NULL;
2883 MachineClass *machine_class;
2884 const char *cpu_model;
2885 const char *vga_model = NULL;
2886 const char *qtest_chrdev = NULL;
2887 const char *qtest_log = NULL;
2888 const char *pid_file = NULL;
2889 const char *incoming = NULL;
2890 #ifdef CONFIG_VNC
2891 int show_vnc_port = 0;
2892 #endif
2893 bool defconfig = true;
2894 bool userconfig = true;
2895 const char *log_mask = NULL;
2896 const char *log_file = NULL;
2897 GMemVTable mem_trace = {
2898 .malloc = malloc_and_trace,
2899 .realloc = realloc_and_trace,
2900 .free = free_and_trace,
2901 };
2902 const char *trace_events = NULL;
2903 const char *trace_file = NULL;
2904 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2905 1024 * 1024;
2906 ram_addr_t maxram_size = default_ram_size;
2907 uint64_t ram_slots = 0;
2908
2909 atexit(qemu_run_exit_notifiers);
2910 error_set_progname(argv[0]);
2911 qemu_init_exec_dir(argv[0]);
2912
2913 g_mem_set_vtable(&mem_trace);
2914
2915 module_call_init(MODULE_INIT_QOM);
2916
2917 qemu_add_opts(&qemu_drive_opts);
2918 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2919 qemu_add_drive_opts(&qemu_common_drive_opts);
2920 qemu_add_drive_opts(&qemu_drive_opts);
2921 qemu_add_opts(&qemu_chardev_opts);
2922 qemu_add_opts(&qemu_device_opts);
2923 qemu_add_opts(&qemu_netdev_opts);
2924 qemu_add_opts(&qemu_net_opts);
2925 qemu_add_opts(&qemu_rtc_opts);
2926 qemu_add_opts(&qemu_global_opts);
2927 qemu_add_opts(&qemu_mon_opts);
2928 qemu_add_opts(&qemu_trace_opts);
2929 qemu_add_opts(&qemu_option_rom_opts);
2930 qemu_add_opts(&qemu_machine_opts);
2931 qemu_add_opts(&qemu_mem_opts);
2932 qemu_add_opts(&qemu_smp_opts);
2933 qemu_add_opts(&qemu_boot_opts);
2934 qemu_add_opts(&qemu_sandbox_opts);
2935 qemu_add_opts(&qemu_add_fd_opts);
2936 qemu_add_opts(&qemu_object_opts);
2937 qemu_add_opts(&qemu_tpmdev_opts);
2938 qemu_add_opts(&qemu_realtime_opts);
2939 qemu_add_opts(&qemu_msg_opts);
2940 qemu_add_opts(&qemu_name_opts);
2941 qemu_add_opts(&qemu_numa_opts);
2942
2943 runstate_init();
2944
2945 rtc_clock = QEMU_CLOCK_HOST;
2946
2947 qemu_init_auxval(envp);
2948 qemu_cache_utils_init();
2949
2950 QLIST_INIT (&vm_change_state_head);
2951 os_setup_early_signal_handling();
2952
2953 module_call_init(MODULE_INIT_MACHINE);
2954 machine_class = find_default_machine();
2955 cpu_model = NULL;
2956 ram_size = default_ram_size;
2957 snapshot = 0;
2958 cyls = heads = secs = 0;
2959 translation = BIOS_ATA_TRANSLATION_AUTO;
2960
2961 for (i = 0; i < MAX_NODES; i++) {
2962 numa_info[i].node_mem = 0;
2963 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2964 }
2965
2966 nb_numa_nodes = 0;
2967 nb_nics = 0;
2968
2969 bdrv_init_with_whitelist();
2970
2971 autostart = 1;
2972
2973 /* first pass of option parsing */
2974 optind = 1;
2975 while (optind < argc) {
2976 if (argv[optind][0] != '-') {
2977 /* disk image */
2978 optind++;
2979 } else {
2980 const QEMUOption *popt;
2981
2982 popt = lookup_opt(argc, argv, &optarg, &optind);
2983 switch (popt->index) {
2984 case QEMU_OPTION_nodefconfig:
2985 defconfig = false;
2986 break;
2987 case QEMU_OPTION_nouserconfig:
2988 userconfig = false;
2989 break;
2990 }
2991 }
2992 }
2993
2994 if (defconfig) {
2995 int ret;
2996 ret = qemu_read_default_config_files(userconfig);
2997 if (ret < 0) {
2998 exit(1);
2999 }
3000 }
3001
3002 /* second pass of option parsing */
3003 optind = 1;
3004 for(;;) {
3005 if (optind >= argc)
3006 break;
3007 if (argv[optind][0] != '-') {
3008 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3009 } else {
3010 const QEMUOption *popt;
3011
3012 popt = lookup_opt(argc, argv, &optarg, &optind);
3013 if (!(popt->arch_mask & arch_type)) {
3014 printf("Option %s not supported for this target\n", popt->name);
3015 exit(1);
3016 }
3017 switch(popt->index) {
3018 case QEMU_OPTION_M:
3019 machine_class = machine_parse(optarg);
3020 break;
3021 case QEMU_OPTION_no_kvm_irqchip: {
3022 olist = qemu_find_opts("machine");
3023 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3024 break;
3025 }
3026 case QEMU_OPTION_cpu:
3027 /* hw initialization will check this */
3028 cpu_model = optarg;
3029 break;
3030 case QEMU_OPTION_hda:
3031 {
3032 char buf[256];
3033 if (cyls == 0)
3034 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3035 else
3036 snprintf(buf, sizeof(buf),
3037 "%s,cyls=%d,heads=%d,secs=%d%s",
3038 HD_OPTS , cyls, heads, secs,
3039 translation == BIOS_ATA_TRANSLATION_LBA ?
3040 ",trans=lba" :
3041 translation == BIOS_ATA_TRANSLATION_NONE ?
3042 ",trans=none" : "");
3043 drive_add(IF_DEFAULT, 0, optarg, buf);
3044 break;
3045 }
3046 case QEMU_OPTION_hdb:
3047 case QEMU_OPTION_hdc:
3048 case QEMU_OPTION_hdd:
3049 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3050 HD_OPTS);
3051 break;
3052 case QEMU_OPTION_drive:
3053 if (drive_def(optarg) == NULL) {
3054 exit(1);
3055 }
3056 break;
3057 case QEMU_OPTION_set:
3058 if (qemu_set_option(optarg) != 0)
3059 exit(1);
3060 break;
3061 case QEMU_OPTION_global:
3062 if (qemu_global_option(optarg) != 0)
3063 exit(1);
3064 break;
3065 case QEMU_OPTION_mtdblock:
3066 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3067 break;
3068 case QEMU_OPTION_sd:
3069 drive_add(IF_SD, -1, optarg, SD_OPTS);
3070 break;
3071 case QEMU_OPTION_pflash:
3072 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3073 break;
3074 case QEMU_OPTION_snapshot:
3075 snapshot = 1;
3076 break;
3077 case QEMU_OPTION_hdachs:
3078 {
3079 const char *p;
3080 p = optarg;
3081 cyls = strtol(p, (char **)&p, 0);
3082 if (cyls < 1 || cyls > 16383)
3083 goto chs_fail;
3084 if (*p != ',')
3085 goto chs_fail;
3086 p++;
3087 heads = strtol(p, (char **)&p, 0);
3088 if (heads < 1 || heads > 16)
3089 goto chs_fail;
3090 if (*p != ',')
3091 goto chs_fail;
3092 p++;
3093 secs = strtol(p, (char **)&p, 0);
3094 if (secs < 1 || secs > 63)
3095 goto chs_fail;
3096 if (*p == ',') {
3097 p++;
3098 if (!strcmp(p, "large")) {
3099 translation = BIOS_ATA_TRANSLATION_LARGE;
3100 } else if (!strcmp(p, "rechs")) {
3101 translation = BIOS_ATA_TRANSLATION_RECHS;
3102 } else if (!strcmp(p, "none")) {
3103 translation = BIOS_ATA_TRANSLATION_NONE;
3104 } else if (!strcmp(p, "lba")) {
3105 translation = BIOS_ATA_TRANSLATION_LBA;
3106 } else if (!strcmp(p, "auto")) {
3107 translation = BIOS_ATA_TRANSLATION_AUTO;
3108 } else {
3109 goto chs_fail;
3110 }
3111 } else if (*p != '\0') {
3112 chs_fail:
3113 fprintf(stderr, "qemu: invalid physical CHS format\n");
3114 exit(1);
3115 }
3116 if (hda_opts != NULL) {
3117 char num[16];
3118 snprintf(num, sizeof(num), "%d", cyls);
3119 qemu_opt_set(hda_opts, "cyls", num);
3120 snprintf(num, sizeof(num), "%d", heads);
3121 qemu_opt_set(hda_opts, "heads", num);
3122 snprintf(num, sizeof(num), "%d", secs);
3123 qemu_opt_set(hda_opts, "secs", num);
3124 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3125 qemu_opt_set(hda_opts, "trans", "large");
3126 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3127 qemu_opt_set(hda_opts, "trans", "rechs");
3128 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3129 qemu_opt_set(hda_opts, "trans", "lba");
3130 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3131 qemu_opt_set(hda_opts, "trans", "none");
3132 }
3133 }
3134 }
3135 break;
3136 case QEMU_OPTION_numa:
3137 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3138 if (!opts) {
3139 exit(1);
3140 }
3141 break;
3142 case QEMU_OPTION_display:
3143 display_type = select_display(optarg);
3144 break;
3145 case QEMU_OPTION_nographic:
3146 display_type = DT_NOGRAPHIC;
3147 break;
3148 case QEMU_OPTION_curses:
3149 #ifdef CONFIG_CURSES
3150 display_type = DT_CURSES;
3151 #else
3152 fprintf(stderr, "Curses support is disabled\n");
3153 exit(1);
3154 #endif
3155 break;
3156 case QEMU_OPTION_portrait:
3157 graphic_rotate = 90;
3158 break;
3159 case QEMU_OPTION_rotate:
3160 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3161 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3162 graphic_rotate != 180 && graphic_rotate != 270) {
3163 fprintf(stderr,
3164 "qemu: only 90, 180, 270 deg rotation is available\n");
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_kernel:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3170 break;
3171 case QEMU_OPTION_initrd:
3172 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3173 break;
3174 case QEMU_OPTION_append:
3175 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3176 break;
3177 case QEMU_OPTION_dtb:
3178 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3179 break;
3180 case QEMU_OPTION_cdrom:
3181 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3182 break;
3183 case QEMU_OPTION_boot:
3184 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3185 if (!opts) {
3186 exit(1);
3187 }
3188 break;
3189 case QEMU_OPTION_fda:
3190 case QEMU_OPTION_fdb:
3191 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3192 optarg, FD_OPTS);
3193 break;
3194 case QEMU_OPTION_no_fd_bootchk:
3195 fd_bootchk = 0;
3196 break;
3197 case QEMU_OPTION_netdev:
3198 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3199 exit(1);
3200 }
3201 break;
3202 case QEMU_OPTION_net:
3203 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3204 exit(1);
3205 }
3206 break;
3207 #ifdef CONFIG_LIBISCSI
3208 case QEMU_OPTION_iscsi:
3209 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3210 if (!opts) {
3211 exit(1);
3212 }
3213 break;
3214 #endif
3215 #ifdef CONFIG_SLIRP
3216 case QEMU_OPTION_tftp:
3217 legacy_tftp_prefix = optarg;
3218 break;
3219 case QEMU_OPTION_bootp:
3220 legacy_bootp_filename = optarg;
3221 break;
3222 case QEMU_OPTION_redir:
3223 if (net_slirp_redir(optarg) < 0)
3224 exit(1);
3225 break;
3226 #endif
3227 case QEMU_OPTION_bt:
3228 add_device_config(DEV_BT, optarg);
3229 break;
3230 case QEMU_OPTION_audio_help:
3231 AUD_help ();
3232 exit (0);
3233 break;
3234 case QEMU_OPTION_soundhw:
3235 select_soundhw (optarg);
3236 break;
3237 case QEMU_OPTION_h:
3238 help(0);
3239 break;
3240 case QEMU_OPTION_version:
3241 version();
3242 exit(0);
3243 break;
3244 case QEMU_OPTION_m: {
3245 uint64_t sz;
3246 const char *mem_str;
3247 const char *maxmem_str, *slots_str;
3248
3249 opts = qemu_opts_parse(qemu_find_opts("memory"),
3250 optarg, 1);
3251 if (!opts) {
3252 exit(EXIT_FAILURE);
3253 }
3254
3255 mem_str = qemu_opt_get(opts, "size");
3256 if (!mem_str) {
3257 error_report("invalid -m option, missing 'size' option");
3258 exit(EXIT_FAILURE);
3259 }
3260 if (!*mem_str) {
3261 error_report("missing 'size' option value");
3262 exit(EXIT_FAILURE);
3263 }
3264
3265 sz = qemu_opt_get_size(opts, "size", ram_size);
3266
3267 /* Fix up legacy suffix-less format */
3268 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3269 uint64_t overflow_check = sz;
3270
3271 sz <<= 20;
3272 if ((sz >> 20) != overflow_check) {
3273 error_report("too large 'size' option value");
3274 exit(EXIT_FAILURE);
3275 }
3276 }
3277
3278 /* backward compatibility behaviour for case "-m 0" */
3279 if (sz == 0) {
3280 sz = default_ram_size;
3281 }
3282
3283 sz = QEMU_ALIGN_UP(sz, 8192);
3284 ram_size = sz;
3285 if (ram_size != sz) {
3286 error_report("ram size too large");
3287 exit(EXIT_FAILURE);
3288 }
3289
3290 maxmem_str = qemu_opt_get(opts, "maxmem");
3291 slots_str = qemu_opt_get(opts, "slots");
3292 if (maxmem_str && slots_str) {
3293 uint64_t slots;
3294
3295 sz = qemu_opt_get_size(opts, "maxmem", 0);
3296 if (sz < ram_size) {
3297 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3298 "(%" PRIu64 ") <= initial memory (%"
3299 PRIu64 ")\n", sz, ram_size);
3300 exit(EXIT_FAILURE);
3301 }
3302
3303 slots = qemu_opt_get_number(opts, "slots", 0);
3304 if ((sz > ram_size) && !slots) {
3305 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3306 "(%" PRIu64 ") more than initial memory (%"
3307 PRIu64 ") but no hotplug slots where "
3308 "specified\n", sz, ram_size);
3309 exit(EXIT_FAILURE);
3310 }
3311
3312 if ((sz <= ram_size) && slots) {
3313 fprintf(stderr, "qemu: invalid -m option value: %"
3314 PRIu64 " hotplug slots where specified but "
3315 "maxmem (%" PRIu64 ") <= initial memory (%"
3316 PRIu64 ")\n", slots, sz, ram_size);
3317 exit(EXIT_FAILURE);
3318 }
3319 maxram_size = sz;
3320 ram_slots = slots;
3321 } else if ((!maxmem_str && slots_str) ||
3322 (maxmem_str && !slots_str)) {
3323 fprintf(stderr, "qemu: invalid -m option value: missing "
3324 "'%s' option\n", slots_str ? "maxmem" : "slots");
3325 exit(EXIT_FAILURE);
3326 }
3327 break;
3328 }
3329 #ifdef CONFIG_TPM
3330 case QEMU_OPTION_tpmdev:
3331 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3332 exit(1);
3333 }
3334 break;
3335 #endif
3336 case QEMU_OPTION_mempath:
3337 mem_path = optarg;
3338 break;
3339 case QEMU_OPTION_mem_prealloc:
3340 mem_prealloc = 1;
3341 break;
3342 case QEMU_OPTION_d:
3343 log_mask = optarg;
3344 break;
3345 case QEMU_OPTION_D:
3346 log_file = optarg;
3347 break;
3348 case QEMU_OPTION_s:
3349 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3350 break;
3351 case QEMU_OPTION_gdb:
3352 add_device_config(DEV_GDB, optarg);
3353 break;
3354 case QEMU_OPTION_L:
3355 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3356 data_dir[data_dir_idx++] = optarg;
3357 }
3358 break;
3359 case QEMU_OPTION_bios:
3360 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3361 break;
3362 case QEMU_OPTION_singlestep:
3363 singlestep = 1;
3364 break;
3365 case QEMU_OPTION_S:
3366 autostart = 0;
3367 break;
3368 case QEMU_OPTION_k:
3369 keyboard_layout = optarg;
3370 break;
3371 case QEMU_OPTION_localtime:
3372 rtc_utc = 0;
3373 break;
3374 case QEMU_OPTION_vga:
3375 vga_model = optarg;
3376 default_vga = 0;
3377 break;
3378 case QEMU_OPTION_g:
3379 {
3380 const char *p;
3381 int w, h, depth;
3382 p = optarg;
3383 w = strtol(p, (char **)&p, 10);
3384 if (w <= 0) {
3385 graphic_error:
3386 fprintf(stderr, "qemu: invalid resolution or depth\n");
3387 exit(1);
3388 }
3389 if (*p != 'x')
3390 goto graphic_error;
3391 p++;
3392 h = strtol(p, (char **)&p, 10);
3393 if (h <= 0)
3394 goto graphic_error;
3395 if (*p == 'x') {
3396 p++;
3397 depth = strtol(p, (char **)&p, 10);
3398 if (depth != 8 && depth != 15 && depth != 16 &&
3399 depth != 24 && depth != 32)
3400 goto graphic_error;
3401 } else if (*p == '\0') {
3402 depth = graphic_depth;
3403 } else {
3404 goto graphic_error;
3405 }
3406
3407 graphic_width = w;
3408 graphic_height = h;
3409 graphic_depth = depth;
3410 }
3411 break;
3412 case QEMU_OPTION_echr:
3413 {
3414 char *r;
3415 term_escape_char = strtol(optarg, &r, 0);
3416 if (r == optarg)
3417 printf("Bad argument to echr\n");
3418 break;
3419 }
3420 case QEMU_OPTION_monitor:
3421 default_monitor = 0;
3422 if (strncmp(optarg, "none", 4)) {
3423 monitor_parse(optarg, "readline");
3424 }
3425 break;
3426 case QEMU_OPTION_qmp:
3427 monitor_parse(optarg, "control");
3428 default_monitor = 0;
3429 break;
3430 case QEMU_OPTION_mon:
3431 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3432 if (!opts) {
3433 exit(1);
3434 }
3435 default_monitor = 0;
3436 break;
3437 case QEMU_OPTION_chardev:
3438 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 break;
3443 case QEMU_OPTION_fsdev:
3444 olist = qemu_find_opts("fsdev");
3445 if (!olist) {
3446 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3447 exit(1);
3448 }
3449 opts = qemu_opts_parse(olist, optarg, 1);
3450 if (!opts) {
3451 exit(1);
3452 }
3453 break;
3454 case QEMU_OPTION_virtfs: {
3455 QemuOpts *fsdev;
3456 QemuOpts *device;
3457 const char *writeout, *sock_fd, *socket;
3458
3459 olist = qemu_find_opts("virtfs");
3460 if (!olist) {
3461 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3462 exit(1);
3463 }
3464 opts = qemu_opts_parse(olist, optarg, 1);
3465 if (!opts) {
3466 exit(1);
3467 }
3468
3469 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3470 qemu_opt_get(opts, "mount_tag") == NULL) {
3471 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3472 exit(1);
3473 }
3474 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3475 qemu_opt_get(opts, "mount_tag"),
3476 1, NULL);
3477 if (!fsdev) {
3478 fprintf(stderr, "duplicate fsdev id: %s\n",
3479 qemu_opt_get(opts, "mount_tag"));
3480 exit(1);
3481 }
3482
3483 writeout = qemu_opt_get(opts, "writeout&