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block/sheepdog: Propagate errors through sd_prealloc()
[qemu/qmp-unstable.git] / vl.c
blob99b6fc00508bf408eafc1faedac9c6c641350159
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
120
121 #define DEFAULT_RAM_SIZE 128
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 typedef struct FWBootEntry FWBootEntry;
186
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
192 };
193
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
196
197 int nb_numa_nodes;
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
200
201 uint8_t qemu_uuid[16];
202 bool qemu_uuid_set;
203
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
206
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
209
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
212
213 static bool tcg_allowed = true;
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
218
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
229
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
275 {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
288 {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
291 },{
292 .name = "file",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
304 {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
321 {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
373 },{
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
377 },{
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
381 },{
382 .name = "kvm-type",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
385 },
386 { /* End of list */ }
387 },
388 };
389
390 static QemuOptsList qemu_boot_opts = {
391 .name = "boot-opts",
392 .implied_opt_name = "order",
393 .merge_lists = true,
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
395 .desc = {
396 {
397 .name = "order",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "once",
401 .type = QEMU_OPT_STRING,
402 }, {
403 .name = "menu",
404 .type = QEMU_OPT_BOOL,
405 }, {
406 .name = "splash",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "strict",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /*End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_add_fd_opts = {
423 .name = "add-fd",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
425 .desc = {
426 {
427 .name = "fd",
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
430 },{
431 .name = "set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
434 },{
435 .name = "opaque",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
438 },
439 { /* end of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_object_opts = {
444 .name = "object",
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
447 .desc = {
448 { }
449 },
450 };
451
452 static QemuOptsList qemu_tpmdev_opts = {
453 .name = "tpmdev",
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 .desc = {
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_realtime_opts = {
463 .name = "realtime",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
465 .desc = {
466 {
467 .name = "mlock",
468 .type = QEMU_OPT_BOOL,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_msg_opts = {
475 .name = "msg",
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
477 .desc = {
478 {
479 .name = "timestamp",
480 .type = QEMU_OPT_BOOL,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_name_opts = {
487 .name = "name",
488 .implied_opt_name = "guest",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
491 .desc = {
492 {
493 .name = "guest",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
498 }, {
499 .name = "process",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
502 }, {
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
507 "stable API.",
508 },
509 { /* End of list */ }
510 },
511 };
512
513 static QemuOptsList qemu_mem_opts = {
514 .name = "memory",
515 .implied_opt_name = "size",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
517 .merge_lists = true,
518 .desc = {
519 {
520 .name = "size",
521 .type = QEMU_OPT_SIZE,
522 },
523 { /* end of list */ }
524 },
525 };
526
527 /**
528 * Get machine options
529 *
530 * Returns: machine options (never null).
531 */
532 QemuOpts *qemu_get_machine_opts(void)
533 {
534 return qemu_find_opts_singleton("machine");
535 }
536
537 const char *qemu_get_vm_name(void)
538 {
539 return qemu_name;
540 }
541
542 static void res_free(void)
543 {
544 if (boot_splash_filedata != NULL) {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548 }
549
550 static int default_driver_check(QemuOpts *opts, void *opaque)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582
583 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
585
586 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
587 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
590 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
598
599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
601
602 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
603
604 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
614
615 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
616
617 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
621 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
622 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
623 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
624
625 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
626 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_MAX, RUN_STATE_MAX },
632 };
633
634 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
635
636 bool runstate_check(RunState state)
637 {
638 return current_run_state == state;
639 }
640
641 static void runstate_init(void)
642 {
643 const RunStateTransition *p;
644
645 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
646
647 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
648 runstate_valid_transitions[p->from][p->to] = true;
649 }
650 }
651
652 /* This function will abort() on invalid state transitions */
653 void runstate_set(RunState new_state)
654 {
655 assert(new_state < RUN_STATE_MAX);
656
657 if (!runstate_valid_transitions[current_run_state][new_state]) {
658 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
659 RunState_lookup[current_run_state],
660 RunState_lookup[new_state]);
661 abort();
662 }
663 trace_runstate_set(new_state);
664 current_run_state = new_state;
665 }
666
667 int runstate_is_running(void)
668 {
669 return runstate_check(RUN_STATE_RUNNING);
670 }
671
672 bool runstate_needs_reset(void)
673 {
674 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
675 runstate_check(RUN_STATE_SHUTDOWN);
676 }
677
678 StatusInfo *qmp_query_status(Error **errp)
679 {
680 StatusInfo *info = g_malloc0(sizeof(*info));
681
682 info->running = runstate_is_running();
683 info->singlestep = singlestep;
684 info->status = current_run_state;
685
686 return info;
687 }
688
689 /***********************************************************/
690 /* real time host monotonic timer */
691
692 /***********************************************************/
693 /* host time/date access */
694 void qemu_get_timedate(struct tm *tm, int offset)
695 {
696 time_t ti;
697
698 time(&ti);
699 ti += offset;
700 if (rtc_date_offset == -1) {
701 if (rtc_utc)
702 gmtime_r(&ti, tm);
703 else
704 localtime_r(&ti, tm);
705 } else {
706 ti -= rtc_date_offset;
707 gmtime_r(&ti, tm);
708 }
709 }
710
711 int qemu_timedate_diff(struct tm *tm)
712 {
713 time_t seconds;
714
715 if (rtc_date_offset == -1)
716 if (rtc_utc)
717 seconds = mktimegm(tm);
718 else {
719 struct tm tmp = *tm;
720 tmp.tm_isdst = -1; /* use timezone to figure it out */
721 seconds = mktime(&tmp);
722 }
723 else
724 seconds = mktimegm(tm) + rtc_date_offset;
725
726 return seconds - time(NULL);
727 }
728
729 void rtc_change_mon_event(struct tm *tm)
730 {
731 QObject *data;
732
733 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
734 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
735 qobject_decref(data);
736 }
737
738 static void configure_rtc_date_offset(const char *startdate, int legacy)
739 {
740 time_t rtc_start_date;
741 struct tm tm;
742
743 if (!strcmp(startdate, "now") && legacy) {
744 rtc_date_offset = -1;
745 } else {
746 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
747 &tm.tm_year,
748 &tm.tm_mon,
749 &tm.tm_mday,
750 &tm.tm_hour,
751 &tm.tm_min,
752 &tm.tm_sec) == 6) {
753 /* OK */
754 } else if (sscanf(startdate, "%d-%d-%d",
755 &tm.tm_year,
756 &tm.tm_mon,
757 &tm.tm_mday) == 3) {
758 tm.tm_hour = 0;
759 tm.tm_min = 0;
760 tm.tm_sec = 0;
761 } else {
762 goto date_fail;
763 }
764 tm.tm_year -= 1900;
765 tm.tm_mon--;
766 rtc_start_date = mktimegm(&tm);
767 if (rtc_start_date == -1) {
768 date_fail:
769 fprintf(stderr, "Invalid date format. Valid formats are:\n"
770 "'2006-06-17T16:01:21' or '2006-06-17'\n");
771 exit(1);
772 }
773 rtc_date_offset = time(NULL) - rtc_start_date;
774 }
775 }
776
777 static void configure_rtc(QemuOpts *opts)
778 {
779 const char *value;
780
781 value = qemu_opt_get(opts, "base");
782 if (value) {
783 if (!strcmp(value, "utc")) {
784 rtc_utc = 1;
785 } else if (!strcmp(value, "localtime")) {
786 rtc_utc = 0;
787 } else {
788 configure_rtc_date_offset(value, 0);
789 }
790 }
791 value = qemu_opt_get(opts, "clock");
792 if (value) {
793 if (!strcmp(value, "host")) {
794 rtc_clock = QEMU_CLOCK_HOST;
795 } else if (!strcmp(value, "rt")) {
796 rtc_clock = QEMU_CLOCK_REALTIME;
797 } else if (!strcmp(value, "vm")) {
798 rtc_clock = QEMU_CLOCK_VIRTUAL;
799 } else {
800 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
801 exit(1);
802 }
803 }
804 value = qemu_opt_get(opts, "driftfix");
805 if (value) {
806 if (!strcmp(value, "slew")) {
807 static GlobalProperty slew_lost_ticks[] = {
808 {
809 .driver = "mc146818rtc",
810 .property = "lost_tick_policy",
811 .value = "slew",
812 },
813 { /* end of list */ }
814 };
815
816 qdev_prop_register_global_list(slew_lost_ticks);
817 } else if (!strcmp(value, "none")) {
818 /* discard is default */
819 } else {
820 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
821 exit(1);
822 }
823 }
824 }
825
826 /***********************************************************/
827 /* Bluetooth support */
828 static int nb_hcis;
829 static int cur_hci;
830 static struct HCIInfo *hci_table[MAX_NICS];
831
832 struct HCIInfo *qemu_next_hci(void)
833 {
834 if (cur_hci == nb_hcis)
835 return &null_hci;
836
837 return hci_table[cur_hci++];
838 }
839
840 static int bt_hci_parse(const char *str)
841 {
842 struct HCIInfo *hci;
843 bdaddr_t bdaddr;
844
845 if (nb_hcis >= MAX_NICS) {
846 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
847 return -1;
848 }
849
850 hci = hci_init(str);
851 if (!hci)
852 return -1;
853
854 bdaddr.b[0] = 0x52;
855 bdaddr.b[1] = 0x54;
856 bdaddr.b[2] = 0x00;
857 bdaddr.b[3] = 0x12;
858 bdaddr.b[4] = 0x34;
859 bdaddr.b[5] = 0x56 + nb_hcis;
860 hci->bdaddr_set(hci, bdaddr.b);
861
862 hci_table[nb_hcis++] = hci;
863
864 return 0;
865 }
866
867 static void bt_vhci_add(int vlan_id)
868 {
869 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
870
871 if (!vlan->slave)
872 fprintf(stderr, "qemu: warning: adding a VHCI to "
873 "an empty scatternet %i\n", vlan_id);
874
875 bt_vhci_init(bt_new_hci(vlan));
876 }
877
878 static struct bt_device_s *bt_device_add(const char *opt)
879 {
880 struct bt_scatternet_s *vlan;
881 int vlan_id = 0;
882 char *endp = strstr(opt, ",vlan=");
883 int len = (endp ? endp - opt : strlen(opt)) + 1;
884 char devname[10];
885
886 pstrcpy(devname, MIN(sizeof(devname), len), opt);
887
888 if (endp) {
889 vlan_id = strtol(endp + 6, &endp, 0);
890 if (*endp) {
891 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
892 return 0;
893 }
894 }
895
896 vlan = qemu_find_bt_vlan(vlan_id);
897
898 if (!vlan->slave)
899 fprintf(stderr, "qemu: warning: adding a slave device to "
900 "an empty scatternet %i\n", vlan_id);
901
902 if (!strcmp(devname, "keyboard"))
903 return bt_keyboard_init(vlan);
904
905 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
906 return 0;
907 }
908
909 static int bt_parse(const char *opt)
910 {
911 const char *endp, *p;
912 int vlan;
913
914 if (strstart(opt, "hci", &endp)) {
915 if (!*endp || *endp == ',') {
916 if (*endp)
917 if (!strstart(endp, ",vlan=", 0))
918 opt = endp + 1;
919
920 return bt_hci_parse(opt);
921 }
922 } else if (strstart(opt, "vhci", &endp)) {
923 if (!*endp || *endp == ',') {
924 if (*endp) {
925 if (strstart(endp, ",vlan=", &p)) {
926 vlan = strtol(p, (char **) &endp, 0);
927 if (*endp) {
928 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
929 return 1;
930 }
931 } else {
932 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
933 return 1;
934 }
935 } else
936 vlan = 0;
937
938 bt_vhci_add(vlan);
939 return 0;
940 }
941 } else if (strstart(opt, "device:", &endp))
942 return !bt_device_add(endp);
943
944 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
945 return 1;
946 }
947
948 static int parse_sandbox(QemuOpts *opts, void *opaque)
949 {
950 /* FIXME: change this to true for 1.3 */
951 if (qemu_opt_get_bool(opts, "enable", false)) {
952 #ifdef CONFIG_SECCOMP
953 if (seccomp_start() < 0) {
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "failed to install seccomp syscall filter in the kernel");
956 return -1;
957 }
958 #else
959 qerror_report(ERROR_CLASS_GENERIC_ERROR,
960 "sandboxing request but seccomp is not compiled into this build");
961 return -1;
962 #endif
963 }
964
965 return 0;
966 }
967
968 static int parse_name(QemuOpts *opts, void *opaque)
969 {
970 const char *proc_name;
971
972 if (qemu_opt_get(opts, "debug-threads")) {
973 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
974 }
975 qemu_name = qemu_opt_get(opts, "guest");
976
977 proc_name = qemu_opt_get(opts, "process");
978 if (proc_name) {
979 os_set_proc_name(proc_name);
980 }
981
982 return 0;
983 }
984
985 bool usb_enabled(bool default_usb)
986 {
987 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
988 has_defaults && default_usb);
989 }
990
991 #ifndef _WIN32
992 static int parse_add_fd(QemuOpts *opts, void *opaque)
993 {
994 int fd, dupfd, flags;
995 int64_t fdset_id;
996 const char *fd_opaque = NULL;
997
998 fd = qemu_opt_get_number(opts, "fd", -1);
999 fdset_id = qemu_opt_get_number(opts, "set", -1);
1000 fd_opaque = qemu_opt_get(opts, "opaque");
1001
1002 if (fd < 0) {
1003 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1004 "fd option is required and must be non-negative");
1005 return -1;
1006 }
1007
1008 if (fd <= STDERR_FILENO) {
1009 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1010 "fd cannot be a standard I/O stream");
1011 return -1;
1012 }
1013
1014 /*
1015 * All fds inherited across exec() necessarily have FD_CLOEXEC
1016 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1017 */
1018 flags = fcntl(fd, F_GETFD);
1019 if (flags == -1 || (flags & FD_CLOEXEC)) {
1020 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1021 "fd is not valid or already in use");
1022 return -1;
1023 }
1024
1025 if (fdset_id < 0) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1027 "set option is required and must be non-negative");
1028 return -1;
1029 }
1030
1031 #ifdef F_DUPFD_CLOEXEC
1032 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1033 #else
1034 dupfd = dup(fd);
1035 if (dupfd != -1) {
1036 qemu_set_cloexec(dupfd);
1037 }
1038 #endif
1039 if (dupfd == -1) {
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1041 "Error duplicating fd: %s", strerror(errno));
1042 return -1;
1043 }
1044
1045 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1046 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1047 fd_opaque, NULL);
1048
1049 return 0;
1050 }
1051
1052 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1053 {
1054 int fd;
1055
1056 fd = qemu_opt_get_number(opts, "fd", -1);
1057 close(fd);
1058
1059 return 0;
1060 }
1061 #endif
1062
1063 /***********************************************************/
1064 /* QEMU Block devices */
1065
1066 #define HD_OPTS "media=disk"
1067 #define CDROM_OPTS "media=cdrom"
1068 #define FD_OPTS ""
1069 #define PFLASH_OPTS ""
1070 #define MTD_OPTS ""
1071 #define SD_OPTS ""
1072
1073 static int drive_init_func(QemuOpts *opts, void *opaque)
1074 {
1075 BlockInterfaceType *block_default_type = opaque;
1076
1077 return drive_init(opts, *block_default_type) == NULL;
1078 }
1079
1080 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1081 {
1082 if (NULL == qemu_opt_get(opts, "snapshot")) {
1083 qemu_opt_set(opts, "snapshot", "on");
1084 }
1085 return 0;
1086 }
1087
1088 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1089 int index, const char *optstr)
1090 {
1091 QemuOpts *opts;
1092
1093 if (!enable || drive_get_by_index(type, index)) {
1094 return;
1095 }
1096
1097 opts = drive_add(type, index, NULL, optstr);
1098 if (snapshot) {
1099 drive_enable_snapshot(opts, NULL);
1100 }
1101 if (!drive_init(opts, type)) {
1102 exit(1);
1103 }
1104 }
1105
1106 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1107 {
1108 boot_set_handler = func;
1109 boot_set_opaque = opaque;
1110 }
1111
1112 int qemu_boot_set(const char *boot_order)
1113 {
1114 if (!boot_set_handler) {
1115 return -EINVAL;
1116 }
1117 return boot_set_handler(boot_set_opaque, boot_order);
1118 }
1119
1120 static void validate_bootdevices(const char *devices)
1121 {
1122 /* We just do some generic consistency checks */
1123 const char *p;
1124 int bitmap = 0;
1125
1126 for (p = devices; *p != '\0'; p++) {
1127 /* Allowed boot devices are:
1128 * a-b: floppy disk drives
1129 * c-f: IDE disk drives
1130 * g-m: machine implementation dependent drives
1131 * n-p: network devices
1132 * It's up to each machine implementation to check if the given boot
1133 * devices match the actual hardware implementation and firmware
1134 * features.
1135 */
1136 if (*p < 'a' || *p > 'p') {
1137 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1138 exit(1);
1139 }
1140 if (bitmap & (1 << (*p - 'a'))) {
1141 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1142 exit(1);
1143 }
1144 bitmap |= 1 << (*p - 'a');
1145 }
1146 }
1147
1148 static void restore_boot_order(void *opaque)
1149 {
1150 char *normal_boot_order = opaque;
1151 static int first = 1;
1152
1153 /* Restore boot order and remove ourselves after the first boot */
1154 if (first) {
1155 first = 0;
1156 return;
1157 }
1158
1159 qemu_boot_set(normal_boot_order);
1160
1161 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1162 g_free(normal_boot_order);
1163 }
1164
1165 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1166 const char *suffix)
1167 {
1168 FWBootEntry *node, *i;
1169
1170 if (bootindex < 0) {
1171 return;
1172 }
1173
1174 assert(dev != NULL || suffix != NULL);
1175
1176 node = g_malloc0(sizeof(FWBootEntry));
1177 node->bootindex = bootindex;
1178 node->suffix = g_strdup(suffix);
1179 node->dev = dev;
1180
1181 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1182 if (i->bootindex == bootindex) {
1183 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1184 exit(1);
1185 } else if (i->bootindex < bootindex) {
1186 continue;
1187 }
1188 QTAILQ_INSERT_BEFORE(i, node, link);
1189 return;
1190 }
1191 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1192 }
1193
1194 DeviceState *get_boot_device(uint32_t position)
1195 {
1196 uint32_t counter = 0;
1197 FWBootEntry *i = NULL;
1198 DeviceState *res = NULL;
1199
1200 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1201 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1202 if (counter == position) {
1203 res = i->dev;
1204 break;
1205 }
1206 counter++;
1207 }
1208 }
1209 return res;
1210 }
1211
1212 /*
1213 * This function returns null terminated string that consist of new line
1214 * separated device paths.
1215 *
1216 * memory pointed by "size" is assigned total length of the array in bytes
1217 *
1218 */
1219 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1220 {
1221 FWBootEntry *i;
1222 size_t total = 0;
1223 char *list = NULL;
1224
1225 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1226 char *devpath = NULL, *bootpath;
1227 size_t len;
1228
1229 if (i->dev) {
1230 devpath = qdev_get_fw_dev_path(i->dev);
1231 assert(devpath);
1232 }
1233
1234 if (i->suffix && !ignore_suffixes && devpath) {
1235 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1236
1237 bootpath = g_malloc(bootpathlen);
1238 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1239 g_free(devpath);
1240 } else if (devpath) {
1241 bootpath = devpath;
1242 } else if (!ignore_suffixes) {
1243 assert(i->suffix);
1244 bootpath = g_strdup(i->suffix);
1245 } else {
1246 bootpath = g_strdup("");
1247 }
1248
1249 if (total) {
1250 list[total-1] = '\n';
1251 }
1252 len = strlen(bootpath) + 1;
1253 list = g_realloc(list, total + len);
1254 memcpy(&list[total], bootpath, len);
1255 total += len;
1256 g_free(bootpath);
1257 }
1258
1259 *size = total;
1260
1261 if (boot_strict && *size > 0) {
1262 list[total-1] = '\n';
1263 list = g_realloc(list, total + 5);
1264 memcpy(&list[total], "HALT", 5);
1265 *size = total + 5;
1266 }
1267 return list;
1268 }
1269
1270 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1271 {
1272 char *endptr;
1273 unsigned long long value, endvalue;
1274
1275 /* Empty CPU range strings will be considered valid, they will simply
1276 * not set any bit in the CPU bitmap.
1277 */
1278 if (!*cpus) {
1279 return;
1280 }
1281
1282 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1283 goto error;
1284 }
1285 if (*endptr == '-') {
1286 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1287 goto error;
1288 }
1289 } else if (*endptr == '\0') {
1290 endvalue = value;
1291 } else {
1292 goto error;
1293 }
1294
1295 if (endvalue >= MAX_CPUMASK_BITS) {
1296 endvalue = MAX_CPUMASK_BITS - 1;
1297 fprintf(stderr,
1298 "qemu: NUMA: A max of %d VCPUs are supported\n",
1299 MAX_CPUMASK_BITS);
1300 }
1301
1302 if (endvalue < value) {
1303 goto error;
1304 }
1305
1306 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1307 return;
1308
1309 error:
1310 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1311 exit(1);
1312 }
1313
1314 static void numa_add(const char *optarg)
1315 {
1316 char option[128];
1317 char *endptr;
1318 unsigned long long nodenr;
1319
1320 optarg = get_opt_name(option, 128, optarg, ',');
1321 if (*optarg == ',') {
1322 optarg++;
1323 }
1324 if (!strcmp(option, "node")) {
1325
1326 if (nb_numa_nodes >= MAX_NODES) {
1327 fprintf(stderr, "qemu: too many NUMA nodes\n");
1328 exit(1);
1329 }
1330
1331 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1332 nodenr = nb_numa_nodes;
1333 } else {
1334 if (parse_uint_full(option, &nodenr, 10) < 0) {
1335 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1336 exit(1);
1337 }
1338 }
1339
1340 if (nodenr >= MAX_NODES) {
1341 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1342 exit(1);
1343 }
1344
1345 if (get_param_value(option, 128, "mem", optarg) == 0) {
1346 node_mem[nodenr] = 0;
1347 } else {
1348 int64_t sval;
1349 sval = strtosz(option, &endptr);
1350 if (sval < 0 || *endptr) {
1351 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1352 exit(1);
1353 }
1354 node_mem[nodenr] = sval;
1355 }
1356 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1357 numa_node_parse_cpus(nodenr, option);
1358 }
1359 nb_numa_nodes++;
1360 } else {
1361 fprintf(stderr, "Invalid -numa option: %s\n", option);
1362 exit(1);
1363 }
1364 }
1365
1366 static QemuOptsList qemu_smp_opts = {
1367 .name = "smp-opts",
1368 .implied_opt_name = "cpus",
1369 .merge_lists = true,
1370 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1371 .desc = {
1372 {
1373 .name = "cpus",
1374 .type = QEMU_OPT_NUMBER,
1375 }, {
1376 .name = "sockets",
1377 .type = QEMU_OPT_NUMBER,
1378 }, {
1379 .name = "cores",
1380 .type = QEMU_OPT_NUMBER,
1381 }, {
1382 .name = "threads",
1383 .type = QEMU_OPT_NUMBER,
1384 }, {
1385 .name = "maxcpus",
1386 .type = QEMU_OPT_NUMBER,
1387 },
1388 { /*End of list */ }
1389 },
1390 };
1391
1392 static void smp_parse(QemuOpts *opts)
1393 {
1394 if (opts) {
1395
1396 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1397 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1398 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1399 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1400
1401 /* compute missing values, prefer sockets over cores over threads */
1402 if (cpus == 0 || sockets == 0) {
1403 sockets = sockets > 0 ? sockets : 1;
1404 cores = cores > 0 ? cores : 1;
1405 threads = threads > 0 ? threads : 1;
1406 if (cpus == 0) {
1407 cpus = cores * threads * sockets;
1408 }
1409 } else {
1410 if (cores == 0) {
1411 threads = threads > 0 ? threads : 1;
1412 cores = cpus / (sockets * threads);
1413 } else {
1414 threads = cpus / (cores * sockets);
1415 }
1416 }
1417
1418 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1419
1420 smp_cpus = cpus;
1421 smp_cores = cores > 0 ? cores : 1;
1422 smp_threads = threads > 0 ? threads : 1;
1423
1424 }
1425
1426 if (max_cpus == 0) {
1427 max_cpus = smp_cpus;
1428 }
1429
1430 if (max_cpus > MAX_CPUMASK_BITS) {
1431 fprintf(stderr, "Unsupported number of maxcpus\n");
1432 exit(1);
1433 }
1434 if (max_cpus < smp_cpus) {
1435 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1436 exit(1);
1437 }
1438
1439 }
1440
1441 static void configure_realtime(QemuOpts *opts)
1442 {
1443 bool enable_mlock;
1444
1445 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1446
1447 if (enable_mlock) {
1448 if (os_mlock() < 0) {
1449 fprintf(stderr, "qemu: locking memory failed\n");
1450 exit(1);
1451 }
1452 }
1453 }
1454
1455
1456 static void configure_msg(QemuOpts *opts)
1457 {
1458 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1459 }
1460
1461 /***********************************************************/
1462 /* USB devices */
1463
1464 static int usb_device_add(const char *devname)
1465 {
1466 USBDevice *dev = NULL;
1467 #ifndef CONFIG_LINUX
1468 const char *p;
1469 #endif
1470
1471 if (!usb_enabled(false)) {
1472 return -1;
1473 }
1474
1475 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1476 dev = usbdevice_create(devname);
1477 if (dev)
1478 goto done;
1479
1480 /* the other ones */
1481 #ifndef CONFIG_LINUX
1482 /* only the linux version is qdev-ified, usb-bsd still needs this */
1483 if (strstart(devname, "host:", &p)) {
1484 dev = usb_host_device_open(usb_bus_find(-1), p);
1485 }
1486 #endif
1487 if (!dev)
1488 return -1;
1489
1490 done:
1491 return 0;
1492 }
1493
1494 static int usb_device_del(const char *devname)
1495 {
1496 int bus_num, addr;
1497 const char *p;
1498
1499 if (strstart(devname, "host:", &p)) {
1500 return -1;
1501 }
1502
1503 if (!usb_enabled(false)) {
1504 return -1;
1505 }
1506
1507 p = strchr(devname, '.');
1508 if (!p)
1509 return -1;
1510 bus_num = strtoul(devname, NULL, 0);
1511 addr = strtoul(p + 1, NULL, 0);
1512
1513 return usb_device_delete_addr(bus_num, addr);
1514 }
1515
1516 static int usb_parse(const char *cmdline)
1517 {
1518 int r;
1519 r = usb_device_add(cmdline);
1520 if (r < 0) {
1521 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1522 }
1523 return r;
1524 }
1525
1526 void do_usb_add(Monitor *mon, const QDict *qdict)
1527 {
1528 const char *devname = qdict_get_str(qdict, "devname");
1529 if (usb_device_add(devname) < 0) {
1530 error_report("could not add USB device '%s'", devname);
1531 }
1532 }
1533
1534 void do_usb_del(Monitor *mon, const QDict *qdict)
1535 {
1536 const char *devname = qdict_get_str(qdict, "devname");
1537 if (usb_device_del(devname) < 0) {
1538 error_report("could not delete USB device '%s'", devname);
1539 }
1540 }
1541
1542 /***********************************************************/
1543 /* PCMCIA/Cardbus */
1544
1545 static struct pcmcia_socket_entry_s {
1546 PCMCIASocket *socket;
1547 struct pcmcia_socket_entry_s *next;
1548 } *pcmcia_sockets = 0;
1549
1550 void pcmcia_socket_register(PCMCIASocket *socket)
1551 {
1552 struct pcmcia_socket_entry_s *entry;
1553
1554 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1555 entry->socket = socket;
1556 entry->next = pcmcia_sockets;
1557 pcmcia_sockets = entry;
1558 }
1559
1560 void pcmcia_socket_unregister(PCMCIASocket *socket)
1561 {
1562 struct pcmcia_socket_entry_s *entry, **ptr;
1563
1564 ptr = &pcmcia_sockets;
1565 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1566 if (entry->socket == socket) {
1567 *ptr = entry->next;
1568 g_free(entry);
1569 }
1570 }
1571
1572 void pcmcia_info(Monitor *mon, const QDict *qdict)
1573 {
1574 struct pcmcia_socket_entry_s *iter;
1575
1576 if (!pcmcia_sockets)
1577 monitor_printf(mon, "No PCMCIA sockets\n");
1578
1579 for (iter = pcmcia_sockets; iter; iter = iter->next)
1580 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1581 iter->socket->attached ? iter->socket->card_string :
1582 "Empty");
1583 }
1584
1585 /***********************************************************/
1586 /* machine registration */
1587
1588 MachineState *current_machine;
1589
1590 static void machine_class_init(ObjectClass *oc, void *data)
1591 {
1592 MachineClass *mc = MACHINE_CLASS(oc);
1593 QEMUMachine *qm = data;
1594
1595 mc->name = qm->name;
1596 mc->alias = qm->alias;
1597 mc->desc = qm->desc;
1598 mc->init = qm->init;
1599 mc->reset = qm->reset;
1600 mc->hot_add_cpu = qm->hot_add_cpu;
1601 mc->kvm_type = qm->kvm_type;
1602 mc->block_default_type = qm->block_default_type;
1603 mc->max_cpus = qm->max_cpus;
1604 mc->no_serial = qm->no_serial;
1605 mc->no_parallel = qm->no_parallel;
1606 mc->use_virtcon = qm->use_virtcon;
1607 mc->use_sclp = qm->use_sclp;
1608 mc->no_floppy = qm->no_floppy;
1609 mc->no_cdrom = qm->no_cdrom;
1610 mc->no_sdcard = qm->no_sdcard;
1611 mc->is_default = qm->is_default;
1612 mc->default_machine_opts = qm->default_machine_opts;
1613 mc->default_boot_order = qm->default_boot_order;
1614 mc->compat_props = qm->compat_props;
1615 mc->hw_version = qm->hw_version;
1616 }
1617
1618 int qemu_register_machine(QEMUMachine *m)
1619 {
1620 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1621 TypeInfo ti = {
1622 .name = name,
1623 .parent = TYPE_MACHINE,
1624 .class_init = machine_class_init,
1625 .class_data = (void *)m,
1626 };
1627
1628 type_register(&ti);
1629 g_free(name);
1630
1631 return 0;
1632 }
1633
1634 static MachineClass *find_machine(const char *name)
1635 {
1636 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1637 MachineClass *mc = NULL;
1638
1639 for (el = machines; el; el = el->next) {
1640 MachineClass *temp = el->data;
1641
1642 if (!strcmp(temp->name, name)) {
1643 mc = temp;
1644 break;
1645 }
1646 if (temp->alias &&
1647 !strcmp(temp->alias, name)) {
1648 mc = temp;
1649 break;
1650 }
1651 }
1652
1653 g_slist_free(machines);
1654 return mc;
1655 }
1656
1657 MachineClass *find_default_machine(void)
1658 {
1659 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1660 MachineClass *mc = NULL;
1661
1662 for (el = machines; el; el = el->next) {
1663 MachineClass *temp = el->data;
1664
1665 if (temp->is_default) {
1666 mc = temp;
1667 break;
1668 }
1669 }
1670
1671 g_slist_free(machines);
1672 return mc;
1673 }
1674
1675 MachineInfoList *qmp_query_machines(Error **errp)
1676 {
1677 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1678 MachineInfoList *mach_list = NULL;
1679
1680 for (el = machines; el; el = el->next) {
1681 MachineClass *mc = el->data;
1682 MachineInfoList *entry;
1683 MachineInfo *info;
1684
1685 info = g_malloc0(sizeof(*info));
1686 if (mc->is_default) {
1687 info->has_is_default = true;
1688 info->is_default = true;
1689 }
1690
1691 if (mc->alias) {
1692 info->has_alias = true;
1693 info->alias = g_strdup(mc->alias);
1694 }
1695
1696 info->name = g_strdup(mc->name);
1697 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1698
1699 entry = g_malloc0(sizeof(*entry));
1700 entry->value = info;
1701 entry->next = mach_list;
1702 mach_list = entry;
1703 }
1704
1705 g_slist_free(machines);
1706 return mach_list;
1707 }
1708
1709 /***********************************************************/
1710 /* main execution loop */
1711
1712 struct vm_change_state_entry {
1713 VMChangeStateHandler *cb;
1714 void *opaque;
1715 QLIST_ENTRY (vm_change_state_entry) entries;
1716 };
1717
1718 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1719
1720 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1721 void *opaque)
1722 {
1723 VMChangeStateEntry *e;
1724
1725 e = g_malloc0(sizeof (*e));
1726
1727 e->cb = cb;
1728 e->opaque = opaque;
1729 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1730 return e;
1731 }
1732
1733 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1734 {
1735 QLIST_REMOVE (e, entries);
1736 g_free (e);
1737 }
1738
1739 void vm_state_notify(int running, RunState state)
1740 {
1741 VMChangeStateEntry *e;
1742
1743 trace_vm_state_notify(running, state);
1744
1745 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1746 e->cb(e->opaque, running, state);
1747 }
1748 }
1749
1750 void vm_start(void)
1751 {
1752 if (!runstate_is_running()) {
1753 cpu_enable_ticks();
1754 runstate_set(RUN_STATE_RUNNING);
1755 vm_state_notify(1, RUN_STATE_RUNNING);
1756 resume_all_vcpus();
1757 monitor_protocol_event(QEVENT_RESUME, NULL);
1758 }
1759 }
1760
1761 /* reset/shutdown handler */
1762
1763 typedef struct QEMUResetEntry {
1764 QTAILQ_ENTRY(QEMUResetEntry) entry;
1765 QEMUResetHandler *func;
1766 void *opaque;
1767 } QEMUResetEntry;
1768
1769 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1770 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1771 static int reset_requested;
1772 static int shutdown_requested, shutdown_signal = -1;
1773 static pid_t shutdown_pid;
1774 static int powerdown_requested;
1775 static int debug_requested;
1776 static int suspend_requested;
1777 static WakeupReason wakeup_reason;
1778 static NotifierList powerdown_notifiers =
1779 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1780 static NotifierList suspend_notifiers =
1781 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1782 static NotifierList wakeup_notifiers =
1783 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1784 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1785 static RunState vmstop_requested = RUN_STATE_MAX;
1786
1787 int qemu_shutdown_requested_get(void)
1788 {
1789 return shutdown_requested;
1790 }
1791
1792 int qemu_reset_requested_get(void)
1793 {
1794 return reset_requested;
1795 }
1796
1797 static int qemu_shutdown_requested(void)
1798 {
1799 int r = shutdown_requested;
1800 shutdown_requested = 0;
1801 return r;
1802 }
1803
1804 static void qemu_kill_report(void)
1805 {
1806 if (!qtest_driver() && shutdown_signal != -1) {
1807 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1808 if (shutdown_pid == 0) {
1809 /* This happens for eg ^C at the terminal, so it's worth
1810 * avoiding printing an odd message in that case.
1811 */
1812 fputc('\n', stderr);
1813 } else {
1814 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1815 }
1816 shutdown_signal = -1;
1817 }
1818 }
1819
1820 static int qemu_reset_requested(void)
1821 {
1822 int r = reset_requested;
1823 reset_requested = 0;
1824 return r;
1825 }
1826
1827 static int qemu_suspend_requested(void)
1828 {
1829 int r = suspend_requested;
1830 suspend_requested = 0;
1831 return r;
1832 }
1833
1834 static WakeupReason qemu_wakeup_requested(void)
1835 {
1836 return wakeup_reason;
1837 }
1838
1839 static int qemu_powerdown_requested(void)
1840 {
1841 int r = powerdown_requested;
1842 powerdown_requested = 0;
1843 return r;
1844 }
1845
1846 static int qemu_debug_requested(void)
1847 {
1848 int r = debug_requested;
1849 debug_requested = 0;
1850 return r;
1851 }
1852
1853 /* We use RUN_STATE_MAX but any invalid value will do */
1854 static bool qemu_vmstop_requested(RunState *r)
1855 {
1856 if (vmstop_requested < RUN_STATE_MAX) {
1857 *r = vmstop_requested;
1858 vmstop_requested = RUN_STATE_MAX;
1859 return true;
1860 }
1861
1862 return false;
1863 }
1864
1865 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1866 {
1867 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1868
1869 re->func = func;
1870 re->opaque = opaque;
1871 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1872 }
1873
1874 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1875 {
1876 QEMUResetEntry *re;
1877
1878 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1879 if (re->func == func && re->opaque == opaque) {
1880 QTAILQ_REMOVE(&reset_handlers, re, entry);
1881 g_free(re);
1882 return;
1883 }
1884 }
1885 }
1886
1887 void qemu_devices_reset(void)
1888 {
1889 QEMUResetEntry *re, *nre;
1890
1891 /* reset all devices */
1892 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1893 re->func(re->opaque);
1894 }
1895 }
1896
1897 void qemu_system_reset(bool report)
1898 {
1899 MachineClass *mc;
1900
1901 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1902
1903 if (mc && mc->reset) {
1904 mc->reset();
1905 } else {
1906 qemu_devices_reset();
1907 }
1908 if (report) {
1909 monitor_protocol_event(QEVENT_RESET, NULL);
1910 }
1911 cpu_synchronize_all_post_reset();
1912 }
1913
1914 void qemu_system_reset_request(void)
1915 {
1916 if (no_reboot) {
1917 shutdown_requested = 1;
1918 } else {
1919 reset_requested = 1;
1920 }
1921 cpu_stop_current();
1922 qemu_notify_event();
1923 }
1924
1925 static void qemu_system_suspend(void)
1926 {
1927 pause_all_vcpus();
1928 notifier_list_notify(&suspend_notifiers, NULL);
1929 runstate_set(RUN_STATE_SUSPENDED);
1930 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1931 }
1932
1933 void qemu_system_suspend_request(void)
1934 {
1935 if (runstate_check(RUN_STATE_SUSPENDED)) {
1936 return;
1937 }
1938 suspend_requested = 1;
1939 cpu_stop_current();
1940 qemu_notify_event();
1941 }
1942
1943 void qemu_register_suspend_notifier(Notifier *notifier)
1944 {
1945 notifier_list_add(&suspend_notifiers, notifier);
1946 }
1947
1948 void qemu_system_wakeup_request(WakeupReason reason)
1949 {
1950 trace_system_wakeup_request(reason);
1951
1952 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1953 return;
1954 }
1955 if (!(wakeup_reason_mask & (1 << reason))) {
1956 return;
1957 }
1958 runstate_set(RUN_STATE_RUNNING);
1959 wakeup_reason = reason;
1960 qemu_notify_event();
1961 }
1962
1963 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1964 {
1965 if (enabled) {
1966 wakeup_reason_mask |= (1 << reason);
1967 } else {
1968 wakeup_reason_mask &= ~(1 << reason);
1969 }
1970 }
1971
1972 void qemu_register_wakeup_notifier(Notifier *notifier)
1973 {
1974 notifier_list_add(&wakeup_notifiers, notifier);
1975 }
1976
1977 void qemu_system_killed(int signal, pid_t pid)
1978 {
1979 shutdown_signal = signal;
1980 shutdown_pid = pid;
1981 no_shutdown = 0;
1982 qemu_system_shutdown_request();
1983 }
1984
1985 void qemu_system_shutdown_request(void)
1986 {
1987 shutdown_requested = 1;
1988 qemu_notify_event();
1989 }
1990
1991 static void qemu_system_powerdown(void)
1992 {
1993 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1994 notifier_list_notify(&powerdown_notifiers, NULL);
1995 }
1996
1997 void qemu_system_powerdown_request(void)
1998 {
1999 powerdown_requested = 1;
2000 qemu_notify_event();
2001 }
2002
2003 void qemu_register_powerdown_notifier(Notifier *notifier)
2004 {
2005 notifier_list_add(&powerdown_notifiers, notifier);
2006 }
2007
2008 void qemu_system_debug_request(void)
2009 {
2010 debug_requested = 1;
2011 qemu_notify_event();
2012 }
2013
2014 void qemu_system_vmstop_request(RunState state)
2015 {
2016 vmstop_requested = state;
2017 qemu_notify_event();
2018 }
2019
2020 static bool main_loop_should_exit(void)
2021 {
2022 RunState r;
2023 if (qemu_debug_requested()) {
2024 vm_stop(RUN_STATE_DEBUG);
2025 }
2026 if (qemu_suspend_requested()) {
2027 qemu_system_suspend();
2028 }
2029 if (qemu_shutdown_requested()) {
2030 qemu_kill_report();
2031 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2032 if (no_shutdown) {
2033 vm_stop(RUN_STATE_SHUTDOWN);
2034 } else {
2035 return true;
2036 }
2037 }
2038 if (qemu_reset_requested()) {
2039 pause_all_vcpus();
2040 cpu_synchronize_all_states();
2041 qemu_system_reset(VMRESET_REPORT);
2042 resume_all_vcpus();
2043 if (runstate_needs_reset()) {
2044 runstate_set(RUN_STATE_PAUSED);
2045 }
2046 }
2047 if (qemu_wakeup_requested()) {
2048 pause_all_vcpus();
2049 cpu_synchronize_all_states();
2050 qemu_system_reset(VMRESET_SILENT);
2051 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2052 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2053 resume_all_vcpus();
2054 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2055 }
2056 if (qemu_powerdown_requested()) {
2057 qemu_system_powerdown();
2058 }
2059 if (qemu_vmstop_requested(&r)) {
2060 vm_stop(r);
2061 }
2062 return false;
2063 }
2064
2065 static void main_loop(void)
2066 {
2067 bool nonblocking;
2068 int last_io = 0;
2069 #ifdef CONFIG_PROFILER
2070 int64_t ti;
2071 #endif
2072 do {
2073 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2074 #ifdef CONFIG_PROFILER
2075 ti = profile_getclock();
2076 #endif
2077 last_io = main_loop_wait(nonblocking);
2078 #ifdef CONFIG_PROFILER
2079 dev_time += profile_getclock() - ti;
2080 #endif
2081 } while (!main_loop_should_exit());
2082 }
2083
2084 static void version(void)
2085 {
2086 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2087 }
2088
2089 static void help(int exitcode)
2090 {
2091 version();
2092 printf("usage: %s [options] [disk_image]\n\n"
2093 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2094 error_get_progname());
2095
2096 #define QEMU_OPTIONS_GENERATE_HELP
2097 #include "qemu-options-wrapper.h"
2098
2099 printf("\nDuring emulation, the following keys are useful:\n"
2100 "ctrl-alt-f toggle full screen\n"
2101 "ctrl-alt-n switch to virtual console 'n'\n"
2102 "ctrl-alt toggle mouse and keyboard grab\n"
2103 "\n"
2104 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2105
2106 exit(exitcode);
2107 }
2108
2109 #define HAS_ARG 0x0001
2110
2111 typedef struct QEMUOption {
2112 const char *name;
2113 int flags;
2114 int index;
2115 uint32_t arch_mask;
2116 } QEMUOption;
2117
2118 static const QEMUOption qemu_options[] = {
2119 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2120 #define QEMU_OPTIONS_GENERATE_OPTIONS
2121 #include "qemu-options-wrapper.h"
2122 { NULL },
2123 };
2124
2125 static bool vga_available(void)
2126 {
2127 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2128 }
2129
2130 static bool cirrus_vga_available(void)
2131 {
2132 return object_class_by_name("cirrus-vga")
2133 || object_class_by_name("isa-cirrus-vga");
2134 }
2135
2136 static bool vmware_vga_available(void)
2137 {
2138 return object_class_by_name("vmware-svga");
2139 }
2140
2141 static bool qxl_vga_available(void)
2142 {
2143 return object_class_by_name("qxl-vga");
2144 }
2145
2146 static bool tcx_vga_available(void)
2147 {
2148 return object_class_by_name("SUNW,tcx");
2149 }
2150
2151 static bool cg3_vga_available(void)
2152 {
2153 return object_class_by_name("cgthree");
2154 }
2155
2156 static void select_vgahw (const char *p)
2157 {
2158 const char *opts;
2159
2160 assert(vga_interface_type == VGA_NONE);
2161 if (strstart(p, "std", &opts)) {
2162 if (vga_available()) {
2163 vga_interface_type = VGA_STD;
2164 } else {
2165 fprintf(stderr, "Error: standard VGA not available\n");
2166 exit(0);
2167 }
2168 } else if (strstart(p, "cirrus", &opts)) {
2169 if (cirrus_vga_available()) {
2170 vga_interface_type = VGA_CIRRUS;
2171 } else {
2172 fprintf(stderr, "Error: Cirrus VGA not available\n");
2173 exit(0);
2174 }
2175 } else if (strstart(p, "vmware", &opts)) {
2176 if (vmware_vga_available()) {
2177 vga_interface_type = VGA_VMWARE;
2178 } else {
2179 fprintf(stderr, "Error: VMWare SVGA not available\n");
2180 exit(0);
2181 }
2182 } else if (strstart(p, "xenfb", &opts)) {
2183 vga_interface_type = VGA_XENFB;
2184 } else if (strstart(p, "qxl", &opts)) {
2185 if (qxl_vga_available()) {
2186 vga_interface_type = VGA_QXL;
2187 } else {
2188 fprintf(stderr, "Error: QXL VGA not available\n");
2189 exit(0);
2190 }
2191 } else if (strstart(p, "tcx", &opts)) {
2192 if (tcx_vga_available()) {
2193 vga_interface_type = VGA_TCX;
2194 } else {
2195 fprintf(stderr, "Error: TCX framebuffer not available\n");
2196 exit(0);
2197 }
2198 } else if (strstart(p, "cg3", &opts)) {
2199 if (cg3_vga_available()) {
2200 vga_interface_type = VGA_CG3;
2201 } else {
2202 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2203 exit(0);
2204 }
2205 } else if (!strstart(p, "none", &opts)) {
2206 invalid_vga:
2207 fprintf(stderr, "Unknown vga type: %s\n", p);
2208 exit(1);
2209 }
2210 while (*opts) {
2211 const char *nextopt;
2212
2213 if (strstart(opts, ",retrace=", &nextopt)) {
2214 opts = nextopt;
2215 if (strstart(opts, "dumb", &nextopt))
2216 vga_retrace_method = VGA_RETRACE_DUMB;
2217 else if (strstart(opts, "precise", &nextopt))
2218 vga_retrace_method = VGA_RETRACE_PRECISE;
2219 else goto invalid_vga;
2220 } else goto invalid_vga;
2221 opts = nextopt;
2222 }
2223 }
2224
2225 static DisplayType select_display(const char *p)
2226 {
2227 const char *opts;
2228 DisplayType display = DT_DEFAULT;
2229
2230 if (strstart(p, "sdl", &opts)) {
2231 #ifdef CONFIG_SDL
2232 display = DT_SDL;
2233 while (*opts) {
2234 const char *nextopt;
2235
2236 if (strstart(opts, ",frame=", &nextopt)) {
2237 opts = nextopt;
2238 if (strstart(opts, "on", &nextopt)) {
2239 no_frame = 0;
2240 } else if (strstart(opts, "off", &nextopt)) {
2241 no_frame = 1;
2242 } else {
2243 goto invalid_sdl_args;
2244 }
2245 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2246 opts = nextopt;
2247 if (strstart(opts, "on", &nextopt)) {
2248 alt_grab = 1;
2249 } else if (strstart(opts, "off", &nextopt)) {
2250 alt_grab = 0;
2251 } else {
2252 goto invalid_sdl_args;
2253 }
2254 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2255 opts = nextopt;
2256 if (strstart(opts, "on", &nextopt)) {
2257 ctrl_grab = 1;
2258 } else if (strstart(opts, "off", &nextopt)) {
2259 ctrl_grab = 0;
2260 } else {
2261 goto invalid_sdl_args;
2262 }
2263 } else if (strstart(opts, ",window_close=", &nextopt)) {
2264 opts = nextopt;
2265 if (strstart(opts, "on", &nextopt)) {
2266 no_quit = 0;
2267 } else if (strstart(opts, "off", &nextopt)) {
2268 no_quit = 1;
2269 } else {
2270 goto invalid_sdl_args;
2271 }
2272 } else {
2273 invalid_sdl_args:
2274 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2275 exit(1);
2276 }
2277 opts = nextopt;
2278 }
2279 #else
2280 fprintf(stderr, "SDL support is disabled\n");
2281 exit(1);
2282 #endif
2283 } else if (strstart(p, "vnc", &opts)) {
2284 #ifdef CONFIG_VNC
2285 display_remote++;
2286
2287 if (*opts) {
2288 const char *nextopt;
2289
2290 if (strstart(opts, "=", &nextopt)) {
2291 vnc_display = nextopt;
2292 }
2293 }
2294 if (!vnc_display) {
2295 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2296 exit(1);
2297 }
2298 #else
2299 fprintf(stderr, "VNC support is disabled\n");
2300 exit(1);
2301 #endif
2302 } else if (strstart(p, "curses", &opts)) {
2303 #ifdef CONFIG_CURSES
2304 display = DT_CURSES;
2305 #else
2306 fprintf(stderr, "Curses support is disabled\n");
2307 exit(1);
2308 #endif
2309 } else if (strstart(p, "gtk", &opts)) {
2310 #ifdef CONFIG_GTK
2311 display = DT_GTK;
2312 while (*opts) {
2313 const char *nextopt;
2314
2315 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2316 opts = nextopt;
2317 if (strstart(opts, "on", &nextopt)) {
2318 grab_on_hover = true;
2319 } else if (strstart(opts, "off", &nextopt)) {
2320 grab_on_hover = false;
2321 } else {
2322 goto invalid_gtk_args;
2323 }
2324 } else {
2325 invalid_gtk_args:
2326 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2327 exit(1);
2328 }
2329 opts = nextopt;
2330 }
2331 #else
2332 fprintf(stderr, "GTK support is disabled\n");
2333 exit(1);
2334 #endif
2335 } else if (strstart(p, "none", &opts)) {
2336 display = DT_NONE;
2337 } else {
2338 fprintf(stderr, "Unknown display type: %s\n", p);
2339 exit(1);
2340 }
2341
2342 return display;
2343 }
2344
2345 static int balloon_parse(const char *arg)
2346 {
2347 QemuOpts *opts;
2348
2349 if (strcmp(arg, "none") == 0) {
2350 return 0;
2351 }
2352
2353 if (!strncmp(arg, "virtio", 6)) {
2354 if (arg[6] == ',') {
2355 /* have params -> parse them */
2356 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2357 if (!opts)
2358 return -1;
2359 } else {
2360 /* create empty opts */
2361 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2362 &error_abort);
2363 }
2364 qemu_opt_set(opts, "driver", "virtio-balloon");
2365 return 0;
2366 }
2367
2368 return -1;
2369 }
2370
2371 char *qemu_find_file(int type, const char *name)
2372 {
2373 int i;
2374 const char *subdir;
2375 char *buf;
2376
2377 /* Try the name as a straight path first */
2378 if (access(name, R_OK) == 0) {
2379 trace_load_file(name, name);
2380 return g_strdup(name);
2381 }
2382
2383 switch (type) {
2384 case QEMU_FILE_TYPE_BIOS:
2385 subdir = "";
2386 break;
2387 case QEMU_FILE_TYPE_KEYMAP:
2388 subdir = "keymaps/";
2389 break;
2390 default:
2391 abort();
2392 }
2393
2394 for (i = 0; i < data_dir_idx; i++) {
2395 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2396 if (access(buf, R_OK) == 0) {
2397 trace_load_file(name, buf);
2398 return buf;
2399 }
2400 g_free(buf);
2401 }
2402 return NULL;
2403 }
2404
2405 static int device_help_func(QemuOpts *opts, void *opaque)
2406 {
2407 return qdev_device_help(opts);
2408 }
2409
2410 static int device_init_func(QemuOpts *opts, void *opaque)
2411 {
2412 DeviceState *dev;
2413
2414 dev = qdev_device_add(opts);
2415 if (!dev)
2416 return -1;
2417 object_unref(OBJECT(dev));
2418 return 0;
2419 }
2420
2421 static int chardev_init_func(QemuOpts *opts, void *opaque)
2422 {
2423 Error *local_err = NULL;
2424
2425 qemu_chr_new_from_opts(opts, NULL, &local_err);
2426 if (local_err) {
2427 error_report("%s", error_get_pretty(local_err));
2428 error_free(local_err);
2429 return -1;
2430 }
2431 return 0;
2432 }
2433
2434 #ifdef CONFIG_VIRTFS
2435 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2436 {
2437 int ret;
2438 ret = qemu_fsdev_add(opts);
2439
2440 return ret;
2441 }
2442 #endif
2443
2444 static int mon_init_func(QemuOpts *opts, void *opaque)
2445 {
2446 CharDriverState *chr;
2447 const char *chardev;
2448 const char *mode;
2449 int flags;
2450
2451 mode = qemu_opt_get(opts, "mode");
2452 if (mode == NULL) {
2453 mode = "readline";
2454 }
2455 if (strcmp(mode, "readline") == 0) {
2456 flags = MONITOR_USE_READLINE;
2457 } else if (strcmp(mode, "control") == 0) {
2458 flags = MONITOR_USE_CONTROL;
2459 } else {
2460 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2461 exit(1);
2462 }
2463
2464 if (qemu_opt_get_bool(opts, "pretty", 0))
2465 flags |= MONITOR_USE_PRETTY;
2466
2467 if (qemu_opt_get_bool(opts, "default", 0))
2468 flags |= MONITOR_IS_DEFAULT;
2469
2470 chardev = qemu_opt_get(opts, "chardev");
2471 chr = qemu_chr_find(chardev);
2472 if (chr == NULL) {
2473 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2474 exit(1);
2475 }
2476
2477 qemu_chr_fe_claim_no_fail(chr);
2478 monitor_init(chr, flags);
2479 return 0;
2480 }
2481
2482 static void monitor_parse(const char *optarg, const char *mode)
2483 {
2484 static int monitor_device_index = 0;
2485 QemuOpts *opts;
2486 const char *p;
2487 char label[32];
2488 int def = 0;
2489
2490 if (strstart(optarg, "chardev:", &p)) {
2491 snprintf(label, sizeof(label), "%s", p);
2492 } else {
2493 snprintf(label, sizeof(label), "compat_monitor%d",
2494 monitor_device_index);
2495 if (monitor_device_index == 0) {
2496 def = 1;
2497 }
2498 opts = qemu_chr_parse_compat(label, optarg);
2499 if (!opts) {
2500 fprintf(stderr, "parse error: %s\n", optarg);
2501 exit(1);
2502 }
2503 }
2504
2505 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2506 if (!opts) {
2507 fprintf(stderr, "duplicate chardev: %s\n", label);
2508 exit(1);
2509 }
2510 qemu_opt_set(opts, "mode", mode);
2511 qemu_opt_set(opts, "chardev", label);
2512 if (def)
2513 qemu_opt_set(opts, "default", "on");
2514 monitor_device_index++;
2515 }
2516
2517 struct device_config {
2518 enum {
2519 DEV_USB, /* -usbdevice */
2520 DEV_BT, /* -bt */
2521 DEV_SERIAL, /* -serial */
2522 DEV_PARALLEL, /* -parallel */
2523 DEV_VIRTCON, /* -virtioconsole */
2524 DEV_DEBUGCON, /* -debugcon */
2525 DEV_GDB, /* -gdb, -s */
2526 DEV_SCLP, /* s390 sclp */
2527 } type;
2528 const char *cmdline;
2529 Location loc;
2530 QTAILQ_ENTRY(device_config) next;
2531 };
2532
2533 static QTAILQ_HEAD(, device_config) device_configs =
2534 QTAILQ_HEAD_INITIALIZER(device_configs);
2535
2536 static void add_device_config(int type, const char *cmdline)
2537 {
2538 struct device_config *conf;
2539
2540 conf = g_malloc0(sizeof(*conf));
2541 conf->type = type;
2542 conf->cmdline = cmdline;
2543 loc_save(&conf->loc);
2544 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2545 }
2546
2547 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2548 {
2549 struct device_config *conf;
2550 int rc;
2551
2552 QTAILQ_FOREACH(conf, &device_configs, next) {
2553 if (conf->type != type)
2554 continue;
2555 loc_push_restore(&conf->loc);
2556 rc = func(conf->cmdline);
2557 loc_pop(&conf->loc);
2558 if (0 != rc)
2559 return rc;
2560 }
2561 return 0;
2562 }
2563
2564 static int serial_parse(const char *devname)
2565 {
2566 static int index = 0;
2567 char label[32];
2568
2569 if (strcmp(devname, "none") == 0)
2570 return 0;
2571 if (index == MAX_SERIAL_PORTS) {
2572 fprintf(stderr, "qemu: too many serial ports\n");
2573 exit(1);
2574 }
2575 snprintf(label, sizeof(label), "serial%d", index);
2576 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2577 if (!serial_hds[index]) {
2578 fprintf(stderr, "qemu: could not connect serial device"
2579 " to character backend '%s'\n", devname);
2580 return -1;
2581 }
2582 index++;
2583 return 0;
2584 }
2585
2586 static int parallel_parse(const char *devname)
2587 {
2588 static int index = 0;
2589 char label[32];
2590
2591 if (strcmp(devname, "none") == 0)
2592 return 0;
2593 if (index == MAX_PARALLEL_PORTS) {
2594 fprintf(stderr, "qemu: too many parallel ports\n");
2595 exit(1);
2596 }
2597 snprintf(label, sizeof(label), "parallel%d", index);
2598 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2599 if (!parallel_hds[index]) {
2600 fprintf(stderr, "qemu: could not connect parallel device"
2601 " to character backend '%s'\n", devname);
2602 return -1;
2603 }
2604 index++;
2605 return 0;
2606 }
2607
2608 static int virtcon_parse(const char *devname)
2609 {
2610 QemuOptsList *device = qemu_find_opts("device");
2611 static int index = 0;
2612 char label[32];
2613 QemuOpts *bus_opts, *dev_opts;
2614
2615 if (strcmp(devname, "none") == 0)
2616 return 0;
2617 if (index == MAX_VIRTIO_CONSOLES) {
2618 fprintf(stderr, "qemu: too many virtio consoles\n");
2619 exit(1);
2620 }
2621
2622 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2623 if (arch_type == QEMU_ARCH_S390X) {
2624 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2625 } else {
2626 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2627 }
2628
2629 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2630 qemu_opt_set(dev_opts, "driver", "virtconsole");
2631
2632 snprintf(label, sizeof(label), "virtcon%d", index);
2633 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2634 if (!virtcon_hds[index]) {
2635 fprintf(stderr, "qemu: could not connect virtio console"
2636 " to character backend '%s'\n", devname);
2637 return -1;
2638 }
2639 qemu_opt_set(dev_opts, "chardev", label);
2640
2641 index++;
2642 return 0;
2643 }
2644
2645 static int sclp_parse(const char *devname)
2646 {
2647 QemuOptsList *device = qemu_find_opts("device");
2648 static int index = 0;
2649 char label[32];
2650 QemuOpts *dev_opts;
2651
2652 if (strcmp(devname, "none") == 0) {
2653 return 0;
2654 }
2655 if (index == MAX_SCLP_CONSOLES) {
2656 fprintf(stderr, "qemu: too many sclp consoles\n");
2657 exit(1);
2658 }
2659
2660 assert(arch_type == QEMU_ARCH_S390X);
2661
2662 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2663 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2664
2665 snprintf(label, sizeof(label), "sclpcon%d", index);
2666 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2667 if (!sclp_hds[index]) {
2668 fprintf(stderr, "qemu: could not connect sclp console"
2669 " to character backend '%s'\n", devname);
2670 return -1;
2671 }
2672 qemu_opt_set(dev_opts, "chardev", label);
2673
2674 index++;
2675 return 0;
2676 }
2677
2678 static int debugcon_parse(const char *devname)
2679 {
2680 QemuOpts *opts;
2681
2682 if (!qemu_chr_new("debugcon", devname, NULL)) {
2683 exit(1);
2684 }
2685 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2686 if (!opts) {
2687 fprintf(stderr, "qemu: already have a debugcon device\n");
2688 exit(1);
2689 }
2690 qemu_opt_set(opts, "driver", "isa-debugcon");
2691 qemu_opt_set(opts, "chardev", "debugcon");
2692 return 0;
2693 }
2694
2695 static MachineClass *machine_parse(const char *name)
2696 {
2697 MachineClass *mc = NULL;
2698 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2699
2700 if (name) {
2701 mc = find_machine(name);
2702 }
2703 if (mc) {
2704 return mc;
2705 }
2706 if (name && !is_help_option(name)) {
2707 error_report("Unsupported machine type");
2708 error_printf("Use -machine help to list supported machines!\n");
2709 } else {
2710 printf("Supported machines are:\n");
2711 for (el = machines; el; el = el->next) {
2712 MachineClass *mc = el->data;
2713 if (mc->alias) {
2714 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2715 }
2716 printf("%-20s %s%s\n", mc->name, mc->desc,
2717 mc->is_default ? " (default)" : "");
2718 }
2719 }
2720
2721 g_slist_free(machines);
2722 exit(!name || !is_help_option(name));
2723 }
2724
2725 static int tcg_init(MachineClass *mc)
2726 {
2727 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2728 return 0;
2729 }
2730
2731 static struct {
2732 const char *opt_name;
2733 const char *name;
2734 int (*available)(void);
2735 int (*init)(MachineClass *mc);
2736 bool *allowed;
2737 } accel_list[] = {
2738 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2739 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2740 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2741 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2742 };
2743
2744 static int configure_accelerator(MachineClass *mc)
2745 {
2746 const char *p;
2747 char buf[10];
2748 int i, ret;
2749 bool accel_initialised = false;
2750 bool init_failed = false;
2751
2752 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2753 if (p == NULL) {
2754 /* Use the default "accelerator", tcg */
2755 p = "tcg";
2756 }
2757
2758 while (!accel_initialised && *p != '\0') {
2759 if (*p == ':') {
2760 p++;
2761 }
2762 p = get_opt_name(buf, sizeof (buf), p, ':');
2763 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2764 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2765 if (!accel_list[i].available()) {
2766 printf("%s not supported for this target\n",
2767 accel_list[i].name);
2768 break;
2769 }
2770 *(accel_list[i].allowed) = true;
2771 ret = accel_list[i].init(mc);
2772 if (ret < 0) {
2773 init_failed = true;
2774 fprintf(stderr, "failed to initialize %s: %s\n",
2775 accel_list[i].name,
2776 strerror(-ret));
2777 *(accel_list[i].allowed) = false;
2778 } else {
2779 accel_initialised = true;
2780 }
2781 break;
2782 }
2783 }
2784 if (i == ARRAY_SIZE(accel_list)) {
2785 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2786 }
2787 }
2788
2789 if (!accel_initialised) {
2790 if (!init_failed) {
2791 fprintf(stderr, "No accelerator found!\n");
2792 }
2793 exit(1);
2794 }
2795
2796 if (init_failed) {
2797 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2798 }
2799
2800 return !accel_initialised;
2801 }
2802
2803 void qemu_add_exit_notifier(Notifier *notify)
2804 {
2805 notifier_list_add(&exit_notifiers, notify);
2806 }
2807
2808 void qemu_remove_exit_notifier(Notifier *notify)
2809 {
2810 notifier_remove(notify);
2811 }
2812
2813 static void qemu_run_exit_notifiers(void)
2814 {
2815 notifier_list_notify(&exit_notifiers, NULL);
2816 }
2817
2818 void qemu_add_machine_init_done_notifier(Notifier *notify)
2819 {
2820 notifier_list_add(&machine_init_done_notifiers, notify);
2821 }
2822
2823 static void qemu_run_machine_init_done_notifiers(void)
2824 {
2825 notifier_list_notify(&machine_init_done_notifiers, NULL);
2826 }
2827
2828 static const QEMUOption *lookup_opt(int argc, char **argv,
2829 const char **poptarg, int *poptind)
2830 {
2831 const QEMUOption *popt;
2832 int optind = *poptind;
2833 char *r = argv[optind];
2834 const char *optarg;
2835
2836 loc_set_cmdline(argv, optind, 1);
2837 optind++;
2838 /* Treat --foo the same as -foo. */
2839 if (r[1] == '-')
2840 r++;
2841 popt = qemu_options;
2842 for(;;) {
2843 if (!popt->name) {
2844 error_report("invalid option");
2845 exit(1);
2846 }
2847 if (!strcmp(popt->name, r + 1))
2848 break;
2849 popt++;
2850 }
2851 if (popt->flags & HAS_ARG) {
2852 if (optind >= argc) {
2853 error_report("requires an argument");
2854 exit(1);
2855 }
2856 optarg = argv[optind++];
2857 loc_set_cmdline(argv, optind - 2, 2);
2858 } else {
2859 optarg = NULL;
2860 }
2861
2862 *poptarg = optarg;
2863 *poptind = optind;
2864
2865 return popt;
2866 }
2867
2868 static gpointer malloc_and_trace(gsize n_bytes)
2869 {
2870 void *ptr = malloc(n_bytes);
2871 trace_g_malloc(n_bytes, ptr);
2872 return ptr;
2873 }
2874
2875 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2876 {
2877 void *ptr = realloc(mem, n_bytes);
2878 trace_g_realloc(mem, n_bytes, ptr);
2879 return ptr;
2880 }
2881
2882 static void free_and_trace(gpointer mem)
2883 {
2884 trace_g_free(mem);
2885 free(mem);
2886 }
2887
2888 static int object_set_property(const char *name, const char *value, void *opaque)
2889 {
2890 Object *obj = OBJECT(opaque);
2891 StringInputVisitor *siv;
2892 Error *local_err = NULL;
2893
2894 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2895 return 0;
2896 }
2897
2898 siv = string_input_visitor_new(value);
2899 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2900 string_input_visitor_cleanup(siv);
2901
2902 if (local_err) {
2903 qerror_report_err(local_err);
2904 error_free(local_err);
2905 return -1;
2906 }
2907
2908 return 0;
2909 }
2910
2911 static int object_create(QemuOpts *opts, void *opaque)
2912 {
2913 const char *type = qemu_opt_get(opts, "qom-type");
2914 const char *id = qemu_opts_id(opts);
2915 Error *local_err = NULL;
2916 Object *obj;
2917
2918 g_assert(type != NULL);
2919
2920 if (id == NULL) {
2921 qerror_report(QERR_MISSING_PARAMETER, "id");
2922 return -1;
2923 }
2924
2925 obj = object_new(type);
2926 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2927 object_unref(obj);
2928 return -1;
2929 }
2930
2931 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2932 error_setg(&local_err, "object '%s' isn't supported by -object",
2933 id);
2934 goto out;
2935 }
2936
2937 user_creatable_complete(obj, &local_err);
2938 if (local_err) {
2939 goto out;
2940 }
2941
2942 object_property_add_child(container_get(object_get_root(), "/objects"),
2943 id, obj, &local_err);
2944
2945 out:
2946 object_unref(obj);
2947 if (local_err) {
2948 qerror_report_err(local_err);
2949 error_free(local_err);
2950 return -1;
2951 }
2952 return 0;
2953 }
2954
2955 int main(int argc, char **argv, char **envp)
2956 {
2957 int i;
2958 int snapshot, linux_boot;
2959 const char *icount_option = NULL;
2960 const char *initrd_filename;
2961 const char *kernel_filename, *kernel_cmdline;
2962 const char *boot_order;
2963 DisplayState *ds;
2964 int cyls, heads, secs, translation;
2965 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2966 QemuOptsList *olist;
2967 int optind;
2968 const char *optarg;
2969 const char *loadvm = NULL;
2970 MachineClass *machine_class;
2971 const char *cpu_model;
2972 const char *vga_model = NULL;
2973 const char *qtest_chrdev = NULL;
2974 const char *qtest_log = NULL;
2975 const char *pid_file = NULL;
2976 const char *incoming = NULL;
2977 #ifdef CONFIG_VNC
2978 int show_vnc_port = 0;
2979 #endif
2980 bool defconfig = true;
2981 bool userconfig = true;
2982 const char *log_mask = NULL;
2983 const char *log_file = NULL;
2984 GMemVTable mem_trace = {
2985 .malloc = malloc_and_trace,
2986 .realloc = realloc_and_trace,
2987 .free = free_and_trace,
2988 };
2989 const char *trace_events = NULL;
2990 const char *trace_file = NULL;
2991 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2992 1024 * 1024;
2993
2994 atexit(qemu_run_exit_notifiers);
2995 error_set_progname(argv[0]);
2996 qemu_init_exec_dir(argv[0]);
2997
2998 g_mem_set_vtable(&mem_trace);
2999
3000 module_call_init(MODULE_INIT_QOM);
3001
3002 qemu_add_opts(&qemu_drive_opts);
3003 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3004 qemu_add_drive_opts(&qemu_common_drive_opts);
3005 qemu_add_drive_opts(&qemu_drive_opts);
3006 qemu_add_opts(&qemu_chardev_opts);
3007 qemu_add_opts(&qemu_device_opts);
3008 qemu_add_opts(&qemu_netdev_opts);
3009 qemu_add_opts(&qemu_net_opts);
3010 qemu_add_opts(&qemu_rtc_opts);
3011 qemu_add_opts(&qemu_global_opts);
3012 qemu_add_opts(&qemu_mon_opts);
3013 qemu_add_opts(&qemu_trace_opts);
3014 qemu_add_opts(&qemu_option_rom_opts);
3015 qemu_add_opts(&qemu_machine_opts);
3016 qemu_add_opts(&qemu_mem_opts);
3017 qemu_add_opts(&qemu_smp_opts);
3018 qemu_add_opts(&qemu_boot_opts);
3019 qemu_add_opts(&qemu_sandbox_opts);
3020 qemu_add_opts(&qemu_add_fd_opts);
3021 qemu_add_opts(&qemu_object_opts);
3022 qemu_add_opts(&qemu_tpmdev_opts);
3023 qemu_add_opts(&qemu_realtime_opts);
3024 qemu_add_opts(&qemu_msg_opts);
3025 qemu_add_opts(&qemu_name_opts);
3026
3027 runstate_init();
3028
3029 rtc_clock = QEMU_CLOCK_HOST;
3030
3031 qemu_init_auxval(envp);
3032 qemu_cache_utils_init();
3033
3034 QLIST_INIT (&vm_change_state_head);
3035 os_setup_early_signal_handling();
3036
3037 module_call_init(MODULE_INIT_MACHINE);
3038 machine_class = find_default_machine();
3039 cpu_model = NULL;
3040 ram_size = default_ram_size;
3041 snapshot = 0;
3042 cyls = heads = secs = 0;
3043 translation = BIOS_ATA_TRANSLATION_AUTO;
3044
3045 for (i = 0; i < MAX_NODES; i++) {
3046 node_mem[i] = 0;
3047 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3048 }
3049
3050 nb_numa_nodes = 0;
3051 nb_nics = 0;
3052
3053 bdrv_init_with_whitelist();
3054
3055 autostart = 1;
3056
3057 /* first pass of option parsing */
3058 optind = 1;
3059 while (optind < argc) {
3060 if (argv[optind][0] != '-') {
3061 /* disk image */
3062 optind++;
3063 } else {
3064 const QEMUOption *popt;
3065
3066 popt = lookup_opt(argc, argv, &optarg, &optind);
3067 switch (popt->index) {
3068 case QEMU_OPTION_nodefconfig:
3069 defconfig = false;
3070 break;
3071 case QEMU_OPTION_nouserconfig:
3072 userconfig = false;
3073 break;
3074 }
3075 }
3076 }
3077
3078 if (defconfig) {
3079 int ret;
3080 ret = qemu_read_default_config_files(userconfig);
3081 if (ret < 0) {
3082 exit(1);
3083 }
3084 }
3085
3086 /* second pass of option parsing */
3087 optind = 1;
3088 for(;;) {
3089 if (optind >= argc)
3090 break;
3091 if (argv[optind][0] != '-') {
3092 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3093 } else {
3094 const QEMUOption *popt;
3095
3096 popt = lookup_opt(argc, argv, &optarg, &optind);
3097 if (!(popt->arch_mask & arch_type)) {
3098 printf("Option %s not supported for this target\n", popt->name);
3099 exit(1);
3100 }
3101 switch(popt->index) {
3102 case QEMU_OPTION_M:
3103 machine_class = machine_parse(optarg);
3104 break;
3105 case QEMU_OPTION_no_kvm_irqchip: {
3106 olist = qemu_find_opts("machine");
3107 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3108 break;
3109 }
3110 case QEMU_OPTION_cpu:
3111 /* hw initialization will check this */
3112 cpu_model = optarg;
3113 break;
3114 case QEMU_OPTION_hda:
3115 {
3116 char buf[256];
3117 if (cyls == 0)
3118 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3119 else
3120 snprintf(buf, sizeof(buf),
3121 "%s,cyls=%d,heads=%d,secs=%d%s",
3122 HD_OPTS , cyls, heads, secs,
3123 translation == BIOS_ATA_TRANSLATION_LBA ?
3124 ",trans=lba" :
3125 translation == BIOS_ATA_TRANSLATION_NONE ?
3126 ",trans=none" : "");
3127 drive_add(IF_DEFAULT, 0, optarg, buf);
3128 break;
3129 }
3130 case QEMU_OPTION_hdb:
3131 case QEMU_OPTION_hdc:
3132 case QEMU_OPTION_hdd:
3133 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3134 HD_OPTS);
3135 break;
3136 case QEMU_OPTION_drive:
3137 if (drive_def(optarg) == NULL) {
3138 exit(1);
3139 }
3140 break;
3141 case QEMU_OPTION_set:
3142 if (qemu_set_option(optarg) != 0)
3143 exit(1);
3144 break;
3145 case QEMU_OPTION_global:
3146 if (qemu_global_option(optarg) != 0)
3147 exit(1);
3148 break;
3149 case QEMU_OPTION_mtdblock:
3150 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3151 break;
3152 case QEMU_OPTION_sd:
3153 drive_add(IF_SD, -1, optarg, SD_OPTS);
3154 break;
3155 case QEMU_OPTION_pflash:
3156 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3157 break;
3158 case QEMU_OPTION_snapshot:
3159 snapshot = 1;
3160 break;
3161 case QEMU_OPTION_hdachs:
3162 {
3163 const char *p;
3164 p = optarg;
3165 cyls = strtol(p, (char **)&p, 0);
3166 if (cyls < 1 || cyls > 16383)
3167 goto chs_fail;
3168 if (*p != ',')
3169 goto chs_fail;
3170 p++;
3171 heads = strtol(p, (char **)&p, 0);
3172 if (heads < 1 || heads > 16)
3173 goto chs_fail;
3174 if (*p != ',')
3175 goto chs_fail;
3176 p++;
3177 secs = strtol(p, (char **)&p, 0);
3178 if (secs < 1 || secs > 63)
3179 goto chs_fail;
3180 if (*p == ',') {
3181 p++;
3182 if (!strcmp(p, "large")) {
3183 translation = BIOS_ATA_TRANSLATION_LARGE;
3184 } else if (!strcmp(p, "rechs")) {
3185 translation = BIOS_ATA_TRANSLATION_RECHS;
3186 } else if (!strcmp(p, "none")) {
3187 translation = BIOS_ATA_TRANSLATION_NONE;
3188 } else if (!strcmp(p, "lba")) {
3189 translation = BIOS_ATA_TRANSLATION_LBA;
3190 } else if (!strcmp(p, "auto")) {
3191 translation = BIOS_ATA_TRANSLATION_AUTO;
3192 } else {
3193 goto chs_fail;
3194 }
3195 } else if (*p != '\0') {
3196 chs_fail:
3197 fprintf(stderr, "qemu: invalid physical CHS format\n");
3198 exit(1);
3199 }
3200 if (hda_opts != NULL) {
3201 char num[16];
3202 snprintf(num, sizeof(num), "%d", cyls);
3203 qemu_opt_set(hda_opts, "cyls", num);
3204 snprintf(num, sizeof(num), "%d", heads);
3205 qemu_opt_set(hda_opts, "heads", num);
3206 snprintf(num, sizeof(num), "%d", secs);
3207 qemu_opt_set(hda_opts, "secs", num);
3208 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3209 qemu_opt_set(hda_opts, "trans", "large");
3210 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3211 qemu_opt_set(hda_opts, "trans", "rechs");
3212 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3213 qemu_opt_set(hda_opts, "trans", "lba");
3214 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3215 qemu_opt_set(hda_opts, "trans", "none");
3216 }
3217 }
3218 }
3219 break;
3220 case QEMU_OPTION_numa:
3221 numa_add(optarg);
3222 break;
3223 case QEMU_OPTION_display:
3224 display_type = select_display(optarg);
3225 break;
3226 case QEMU_OPTION_nographic:
3227 display_type = DT_NOGRAPHIC;
3228 break;
3229 case QEMU_OPTION_curses:
3230 #ifdef CONFIG_CURSES
3231 display_type = DT_CURSES;
3232 #else
3233 fprintf(stderr, "Curses support is disabled\n");
3234 exit(1);
3235 #endif
3236 break;
3237 case QEMU_OPTION_portrait:
3238 graphic_rotate = 90;
3239 break;
3240 case QEMU_OPTION_rotate:
3241 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3242 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3243 graphic_rotate != 180 && graphic_rotate != 270) {
3244 fprintf(stderr,
3245 "qemu: only 90, 180, 270 deg rotation is available\n");
3246 exit(1);
3247 }
3248 break;
3249 case QEMU_OPTION_kernel:
3250 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3251 break;
3252 case QEMU_OPTION_initrd:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3254 break;
3255 case QEMU_OPTION_append:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3257 break;
3258 case QEMU_OPTION_dtb:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3260 break;
3261 case QEMU_OPTION_cdrom:
3262 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3263 break;
3264 case QEMU_OPTION_boot:
3265 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3266 if (!opts) {
3267 exit(1);
3268 }
3269 break;
3270 case QEMU_OPTION_fda:
3271 case QEMU_OPTION_fdb:
3272 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3273 optarg, FD_OPTS);
3274 break;
3275 case QEMU_OPTION_no_fd_bootchk:
3276 fd_bootchk = 0;
3277 break;
3278 case QEMU_OPTION_netdev:
3279 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3280 exit(1);
3281 }
3282 break;
3283 case QEMU_OPTION_net:
3284 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3285 exit(1);
3286 }
3287 break;
3288 #ifdef CONFIG_LIBISCSI
3289 case QEMU_OPTION_iscsi:
3290 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3291 if (!opts) {
3292 exit(1);
3293 }
3294 break;
3295 #endif
3296 #ifdef CONFIG_SLIRP
3297 case QEMU_OPTION_tftp:
3298 legacy_tftp_prefix = optarg;
3299 break;
3300 case QEMU_OPTION_bootp:
3301 legacy_bootp_filename = optarg;
3302 break;
3303 case QEMU_OPTION_redir:
3304 if (net_slirp_redir(optarg) < 0)
3305 exit(1);
3306 break;
3307 #endif
3308 case QEMU_OPTION_bt:
3309 add_device_config(DEV_BT, optarg);
3310 break;
3311 case QEMU_OPTION_audio_help:
3312 AUD_help ();
3313 exit (0);
3314 break;
3315 case QEMU_OPTION_soundhw:
3316 select_soundhw (optarg);
3317 break;
3318 case QEMU_OPTION_h:
3319 help(0);
3320 break;
3321 case QEMU_OPTION_version:
3322 version();
3323 exit(0);
3324 break;
3325 case QEMU_OPTION_m: {
3326 uint64_t sz;
3327 const char *mem_str;
3328
3329 opts = qemu_opts_parse(qemu_find_opts("memory"),
3330 optarg, 1);
3331 if (!opts) {
3332 exit(EXIT_FAILURE);
3333 }
3334
3335 mem_str = qemu_opt_get(opts, "size");
3336 if (!mem_str) {
3337 error_report("invalid -m option, missing 'size' option");
3338 exit(EXIT_FAILURE);
3339 }
3340 if (!*mem_str) {
3341 error_report("missing 'size' option value");
3342 exit(EXIT_FAILURE);
3343 }
3344
3345 sz = qemu_opt_get_size(opts, "size", ram_size);
3346
3347 /* Fix up legacy suffix-less format */
3348 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3349 uint64_t overflow_check = sz;
3350
3351 sz <<= 20;
3352 if ((sz >> 20) != overflow_check) {
3353 error_report("too large 'size' option value");
3354 exit(EXIT_FAILURE);
3355 }
3356 }
3357
3358 /* backward compatibility behaviour for case "-m 0" */
3359 if (sz == 0) {
3360 sz = default_ram_size;
3361 }
3362
3363 sz = QEMU_ALIGN_UP(sz, 8192);
3364 ram_size = sz;
3365 if (ram_size != sz) {
3366 error_report("ram size too large");
3367 exit(EXIT_FAILURE);
3368 }
3369 break;
3370 }
3371 #ifdef CONFIG_TPM
3372 case QEMU_OPTION_tpmdev:
3373 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3374 exit(1);
3375 }
3376 break;
3377 #endif
3378 case QEMU_OPTION_mempath:
3379 mem_path = optarg;
3380 break;
3381 case QEMU_OPTION_mem_prealloc:
3382 mem_prealloc = 1;
3383 break;
3384 case QEMU_OPTION_d:
3385 log_mask = optarg;
3386 break;
3387 case QEMU_OPTION_D:
3388 log_file = optarg;
3389 break;
3390 case QEMU_OPTION_s:
3391 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3392 break;
3393 case QEMU_OPTION_gdb:
3394 add_device_config(DEV_GDB, optarg);
3395 break;
3396 case QEMU_OPTION_L:
3397 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3398 data_dir[data_dir_idx++] = optarg;
3399 }
3400 break;
3401 case QEMU_OPTION_bios:
3402 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3403 break;
3404 case QEMU_OPTION_singlestep:
3405 singlestep = 1;
3406 break;
3407 case QEMU_OPTION_S:
3408 autostart = 0;
3409 break;
3410 case QEMU_OPTION_k:
3411 keyboard_layout = optarg;
3412 break;
3413 case QEMU_OPTION_localtime:
3414 rtc_utc = 0;
3415 break;
3416 case QEMU_OPTION_vga:
3417 vga_model = optarg;
3418 default_vga = 0;
3419 break;
3420 case QEMU_OPTION_g:
3421 {
3422 const char *p;
3423 int w, h, depth;
3424 p = optarg;
3425 w = strtol(p, (char **)&p, 10);
3426 if (w <= 0) {
3427 graphic_error:
3428 fprintf(stderr, "qemu: invalid resolution or depth\n");
3429 exit(1);
3430 }
3431 if (*p != 'x')
3432 goto graphic_error;
3433 p++;
3434 h = strtol(p, (char **)&p, 10);
3435 if (h <= 0)
3436 goto graphic_error;
3437 if (*p == 'x') {
3438 p++;
3439 depth = strtol(p, (char **)&p, 10);
3440 if (depth != 8 && depth != 15 && depth != 16 &&
3441 depth != 24 && depth != 32)
3442 goto graphic_error;
3443 } else if (*p == '\0') {
3444 depth = graphic_depth;
3445 } else {
3446 goto graphic_error;
3447 }
3448
3449 graphic_width = w;
3450 graphic_height = h;
3451 graphic_depth = depth;
3452 }
3453 break;
3454 case QEMU_OPTION_echr:
3455 {
3456 char *r;
3457 term_escape_char = strtol(optarg, &r, 0);
3458 if (r == optarg)
3459 printf("Bad argument to echr\n");
3460 break;
3461 }
3462 case QEMU_OPTION_monitor:
3463 default_monitor = 0;
3464 if (strncmp(optarg, "none", 4)) {
3465 monitor_parse(optarg, "readline");
3466 }
3467 break;
3468 case QEMU_OPTION_qmp:
3469 monitor_parse(optarg, "control");
3470 default_monitor = 0;
3471 break;
3472 case QEMU_OPTION_mon:
3473 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3474 if (!opts) {
3475 exit(1);
3476 }
3477 default_monitor = 0;
3478 break;
3479 case QEMU_OPTION_chardev:
3480 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3481 if (!opts) {
3482 exit(1);
3483 }
3484 break;
3485 case QEMU_OPTION_fsdev:
3486 olist = qemu_find_opts("fsdev");
3487 if (!olist) {
3488 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3489 exit(1);
3490 }
3491 opts = qemu_opts_parse(olist, optarg, 1);
3492 if (!opts) {
3493 exit(1);
3494 }
3495 break;
3496 case QEMU_OPTION_virtfs: {
3497 QemuOpts *fsdev;
3498 QemuOpts *device;
3499 const char *writeout, *sock_fd, *socket;
3500
3501 olist = qemu_find_opts("virtfs");
3502 if (!olist) {
3503 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3504 exit(1);
3505 }
3506 opts = qemu_opts_parse(olist, optarg, 1);
3507 if (!opts) {
3508 exit(1);
3509 }
3510
3511 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3512 qemu_opt_get(opts, "mount_tag") == NULL) {
3513 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3514 exit(1);
3515 }
3516 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3517 qemu_opt_get(opts, "mount_tag"),
3518 1, NULL);
3519 if (!fsdev) {
3520 fprintf(stderr, "duplicate fsdev id: %s\n",
3521 qemu_opt_get(opts, "mount_tag"));
3522 exit(1);
3523 }
3524
3525 writeout = qemu_opt_get(opts, "writeout");
3526 if (writeout) {
3527 #ifdef CONFIG_SYNC_FILE_RANGE
3528 qemu_opt_set(fsdev, "writeout", writeout);
3529 #else
3530 fprintf(stderr, "writeout=immediate not supported on "
3531 "this platform\n");
3532 exit(1);
3533 #endif
3534 }
3535 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3536 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3537 qemu_opt_set(fsdev, "security_model",
3538 qemu_opt_get(opts, "security_model"));
3539 socket = qemu_opt_get(opts, "socket");
3540 if (socket) {
3541 qemu_opt_set(fsdev, "socket", socket);
3542 }
3543 sock_fd = qemu_opt_get(opts, "sock_fd");
3544 if (sock_fd) {
3545 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3546 }
3547
3548 qemu_opt_set_bool(fsdev, "readonly",
3549 qemu_opt_get_bool(opts, "readonly", 0));
3550 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3551 &error_abort);
3552 qemu_opt_set(device, "driver", "virtio-9p-pci");
3553 qemu_opt_set(device, "fsdev",
3554 qemu_opt_get(opts, "mount_tag"));
3555 qemu_opt_set(device, "mount_tag",
3556 qemu_opt_get(opts, "mount_tag"));
3557 break;
3558 }
3559 case QEMU_OPTION_virtfs_synth: {
3560 QemuOpts *fsdev;
3561 QemuOpts *device;
3562
3563 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3564 1, NULL);
3565 if (!fsdev) {
3566 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3567 exit(1);
3568 }
3569 qemu_opt_set(fsdev, "fsdriver", "synth");
3570
3571 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3572 &error_abort);
3573 qemu_opt_set(device, "driver", "virtio-9p-pci");
3574 qemu_opt_set(device, "fsdev", "v_synth");
3575 qemu_opt_set(device, "mount_tag", "v_synth");
3576 break;
3577 }
3578 case QEMU_OPTION_serial:
3579 add_device_config(DEV_SERIAL, optarg);
3580 default_serial = 0;
3581 if (strncmp(optarg, "mon:", 4) == 0) {
3582 default_monitor = 0;
3583 }
3584 break;
3585 case QEMU_OPTION_watchdog:
3586 if (watchdog) {
3587 fprintf(stderr,
3588 "qemu: only one watchdog option may be given\n");
3589 return 1;
3590 }
3591 watchdog = optarg;
3592 break;
3593 case QEMU_OPTION_watchdog_action:
3594 if (select_watchdog_action(optarg) == -1) {
3595 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3596 exit(1);
3597 }
3598 break;
3599 case QEMU_OPTION_virtiocon:
3600 add_device_config(DEV_VIRTCON, optarg);
3601 default_virtcon = 0;
3602 if (strncmp(optarg, "mon:", 4) == 0) {
3603 default_monitor = 0;
3604 }
3605 break;
3606 case QEMU_OPTION_parallel:
3607 add_device_config(DEV_PARALLEL, optarg);
3608 default_parallel = 0;
3609 if (strncmp(optarg, "mon:", 4) == 0) {
3610 default_monitor = 0;
3611 }
3612 break;
3613 case QEMU_OPTION_debugcon:
3614 add_device_config(DEV_DEBUGCON, optarg);
3615 break;
3616 case QEMU_OPTION_loadvm:
3617 loadvm = optarg;
3618 break;
3619 case QEMU_OPTION_full_screen:
3620 full_screen = 1;
3621 break;
3622 case QEMU_OPTION_no_frame:
3623 no_frame = 1;
3624 break;
3625 case QEMU_OPTION_alt_grab:
3626 alt_grab = 1;
3627 break;
3628 case QEMU_OPTION_ctrl_grab:
3629 ctrl_grab = 1;
3630 break;
3631 case QEMU_OPTION_no_quit:
3632 no_quit = 1;
3633 break;
3634 case QEMU_OPTION_sdl:
3635 #ifdef CONFIG_SDL
3636 display_type = DT_SDL;
3637 break;
3638 #else
3639 fprintf(stderr, "SDL support is disabled\n");
3640 exit(1);
3641 #endif
3642 case QEMU_OPTION_pidfile:
3643 pid_file = optarg;
3644 break;
3645 case QEMU_OPTION_win2k_hack:
3646 win2k_install_hack = 1;
3647 break;
3648 case QEMU_OPTION_rtc_td_hack: {
3649 static GlobalProperty slew_lost_ticks[] = {
3650 {
3651 .driver = "mc146818rtc",
3652 .property = "lost_tick_policy",
3653 .value = "slew",
3654 },
3655 { /* end of list */ }
3656 };
3657
3658 qdev_prop_register_global_list(slew_lost_ticks);
3659 break;
3660 }
3661 case QEMU_OPTION_acpitable:
3662 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3663 if (!opts) {
3664 exit(1);
3665 }
3666 do_acpitable_option(opts);
3667 break;
3668 case QEMU_OPTION_smbios:
3669 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3670 if (!opts) {
3671 exit(1);
3672 }
3673 do_smbios_option(opts);
3674 break;
3675 case QEMU_OPTION_enable_kvm:
3676 olist = qemu_find_opts("machine");
3677 qemu_opts_parse(olist, "accel=kvm", 0);
3678 break;
3679 case QEMU_OPTION_machine:
3680 olist = qemu_find_opts("machine");
3681 opts = qemu_opts_parse(olist, optarg, 1);
3682 if (!opts) {
3683 exit(1);
3684 }
3685 optarg = qemu_opt_get(opts, "type");
3686 if (optarg) {
3687 machine_class = machine_parse(optarg);
3688 }
3689 break;
3690 case QEMU_OPTION_no_kvm:
3691 olist = qemu_find_opts("machine");
3692 qemu_opts_parse(olist, "accel=tcg", 0);
3693 break;
3694 case QEMU_OPTION_no_kvm_pit: {
3695 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3696 "separately.\n");
3697 break;
3698 }
3699 case QEMU_OPTION_no_kvm_pit_reinjection: {
3700 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3701 {
3702 .driver = "kvm-pit",
3703 .property = "lost_tick_policy",
3704 .value = "discard",
3705 },
3706 { /* end of list */ }
3707 };
3708
3709 fprintf(stderr, "Warning: option deprecated, use "
3710 "lost_tick_policy property of kvm-pit instead.\n");
3711 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3712 break;
3713 }
3714 case QEMU_OPTION_usb:
3715 olist = qemu_find_opts("machine");
3716 qemu_opts_parse(olist, "usb=on", 0);
3717 break;
3718 case QEMU_OPTION_usbdevice:
3719 olist = qemu_find_opts("machine");
3720 qemu_opts_parse(olist, "usb=on", 0);
3721 add_device_config(DEV_USB, optarg);
3722 break;
3723 case QEMU_OPTION_device:
3724 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_smp:
3729 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3730 exit(1);
3731 }
3732 break;
3733 case QEMU_OPTION_vnc:
3734 #ifdef CONFIG_VNC
3735 display_remote++;
3736 vnc_display = optarg;
3737 #else
3738 fprintf(stderr, "VNC support is disabled\n");
3739 exit(1);
3740 #endif
3741 break;
3742 case QEMU_OPTION_no_acpi:
3743 acpi_enabled = 0;
3744 break;
3745 case QEMU_OPTION_no_hpet:
3746 no_hpet = 1;
3747 break;
3748 case QEMU_OPTION_balloon:
3749 if (balloon_parse(optarg) < 0) {
3750 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_no_reboot:
3755 no_reboot = 1;
3756 break;
3757 case QEMU_OPTION_no_shutdown:
3758 no_shutdown = 1;
3759 break;
3760 case QEMU_OPTION_show_cursor:
3761 cursor_hide = 0;
3762 break;
3763 case QEMU_OPTION_uuid:
3764 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3765 fprintf(stderr, "Fail to parse UUID string."
3766 " Wrong format.\n");
3767 exit(1);
3768 }
3769 qemu_uuid_set = true;
3770 break;
3771 case QEMU_OPTION_option_rom:
3772 if (nb_option_roms >= MAX_OPTION_ROMS) {
3773 fprintf(stderr, "Too many option ROMs\n");
3774 exit(1);
3775 }
3776 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3777 if (!opts) {
3778 exit(1);
3779 }
3780 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3781 option_rom[nb_option_roms].bootindex =
3782 qemu_opt_get_number(opts, "bootindex", -1);
3783 if (!option_rom[nb_option_roms].name) {
3784 fprintf(stderr, "Option ROM file is not specified\n");
3785 exit(1);
3786 }
3787 nb_option_roms++;
3788 break;
3789 case QEMU_OPTION_semihosting:
3790 semihosting_enabled = 1;
3791 break;
3792 case QEMU_OPTION_tdf:
3793 fprintf(stderr, "Warning: user space PIT time drift fix "
3794 "is no longer supported.\n");
3795 break;
3796 case QEMU_OPTION_name:
3797 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3798 if (!opts) {
3799 exit(1);
3800 }
3801 break;
3802 case QEMU_OPTION_prom_env:
3803 if (nb_prom_envs >= MAX_PROM_ENVS) {
3804 fprintf(stderr, "Too many prom variables\n");
3805 exit(1);
3806 }
3807 prom_envs[nb_prom_envs] = optarg;
3808 nb_prom_envs++;
3809 break;
3810 case QEMU_OPTION_old_param:
3811 old_param = 1;
3812 break;
3813 case QEMU_OPTION_clock:
3814 /* Clock options no longer exist. Keep this option for
3815 * backward compatibility.
3816 */
3817 break;
3818 case QEMU_OPTION_startdate:
3819 configure_rtc_date_offset(optarg, 1);
3820 break;
3821 case QEMU_OPTION_rtc:
3822 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3823 if (!opts) {
3824 exit(1);
3825 }
3826 configure_rtc(opts);
3827 break;
3828 case QEMU_OPTION_tb_size:
3829 tcg_tb_size = strtol(optarg, NULL, 0);
3830 if (tcg_tb_size < 0) {
3831 tcg_tb_size = 0;
3832 }
3833 break;
3834 case QEMU_OPTION_icount:
3835 icount_option = optarg;
3836 break;
3837 case QEMU_OPTION_incoming:
3838 incoming = optarg;
3839 runstate_set(RUN_STATE_INMIGRATE);
3840 break;
3841 case QEMU_OPTION_nodefaults:
3842 has_defaults = 0;
3843 break;
3844 case QEMU_OPTION_xen_domid:
3845 if (!(xen_available())) {
3846 printf("Option %s not supported for this target\n", popt->name);
3847 exit(1);
3848 }
3849 xen_domid = atoi(optarg);
3850 break;
3851 case QEMU_OPTION_xen_create:
3852 if (!(xen_available())) {
3853 printf("Option %s not supported for this target\n", popt->name);
3854 exit(1);
3855 }
3856 xen_mode = XEN_CREATE;
3857 break;
3858 case QEMU_OPTION_xen_attach:
3859 if (!(xen_available())) {
3860 printf("Option %s not supported for this target\n", popt->name);
3861 exit(1);
3862 }
3863 xen_mode = XEN_ATTACH;
3864 break;
3865 case QEMU_OPTION_trace:
3866 {
3867 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3868 if (!opts) {
3869 exit(1);
3870 }
3871 trace_events = qemu_opt_get(opts, "events");
3872 trace_file = qemu_opt_get(opts, "file");
3873 break;
3874 }
3875 case QEMU_OPTION_readconfig:
3876 {
3877 int ret = qemu_read_config_file(optarg);
3878 if (ret < 0) {
3879 fprintf(stderr, "read config %s: %s\n", optarg,
3880 strerror(-ret));
3881 exit(1);
3882 }
3883 break;
3884 }
3885 case QEMU_OPTION_spice:
3886 olist = qemu_find_opts("spice");
3887 if (!olist) {
3888 fprintf(stderr, "spice is not supported by this qemu build.\n");
3889 exit(1);
3890 }
3891 opts = qemu_opts_parse(olist, optarg, 0);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 display_remote++;
3896 break;
3897 case QEMU_OPTION_writeconfig:
3898 {
3899 FILE *fp;
3900 if (strcmp(optarg, "-") == 0) {
3901 fp = stdout;
3902 } else {
3903 fp = fopen(optarg, "w");
3904 if (fp == NULL) {
3905 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3906 exit(1);
3907 }
3908 }
3909 qemu_config_write(fp);
3910 if (fp != stdout) {
3911 fclose(fp);
3912 }
3913 break;
3914 }
3915 case QEMU_OPTION_qtest:
3916 qtest_chrdev = optarg;
3917 break;
3918 case QEMU_OPTION_qtest_log:
3919 qtest_log = optarg;
3920 break;
3921 case QEMU_OPTION_sandbox:
3922 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3923 if (!opts) {
3924 exit(1);
3925 }
3926 break;
3927 case QEMU_OPTION_add_fd:
3928 #ifndef _WIN32
3929 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3930 if (!opts) {
3931 exit(1);
3932 }
3933 #else
3934 error_report("File descriptor passing is disabled on this "
3935 "platform");
3936 exit(1);
3937 #endif
3938 break;
3939 case QEMU_OPTION_object:
3940 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3941 if (!opts) {
3942 exit(1);
3943 }
3944 break;
3945 case QEMU_OPTION_realtime:
3946 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 configure_realtime(opts);
3951 break;
3952 case QEMU_OPTION_msg:
3953 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3954 if (!opts) {
3955 exit(1);
3956 }
3957 configure_msg(opts);
3958 break;
3959 default:
3960 os_parse_cmd_args(popt->index, optarg);
3961 }
3962 }
3963 }
3964 loc_set_none();
3965
3966 if (qemu_init_main_loop()) {
3967 fprintf(stderr, "qemu_init_main_loop failed\n");
3968 exit(1);
3969 }
3970
3971 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3972 exit(1);
3973 }
3974
3975 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3976 exit(1);
3977 }
3978
3979 #ifndef _WIN32
3980 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3981 exit(1);
3982 }
3983
3984 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3985 exit(1);
3986 }
3987 #endif
3988
3989 if (machine_class == NULL) {
3990 fprintf(stderr, "No machine specified, and there is no default.\n"
3991 "Use -machine help to list supported machines!\n");
3992 exit(1);
3993 }
3994
3995 current_machine = MACHINE(object_new(object_class_get_name(
3996 OBJECT_CLASS(machine_class))));
3997 object_property_add_child(object_get_root(), "machine",
3998 OBJECT(current_machine), &error_abort);
3999
4000 if (machine_class->hw_version) {
4001 qemu_set_version(machine_class->hw_version);
4002 }
4003
4004 if (qemu_opts_foreach(qemu_find_opts("object"),
4005 object_create, NULL, 0) != 0) {
4006 exit(1);
4007 }
4008
4009 /* Init CPU def lists, based on config
4010 * - Must be called after all the qemu_read_config_file() calls
4011 * - Must be called before list_cpus()
4012 * - Must be called before machine->init()
4013 */
4014 cpudef_init();
4015
4016 if (cpu_model && is_help_option(cpu_model)) {
4017 list_cpus(stdout, &fprintf, cpu_model);
4018 exit(0);
4019 }
4020
4021 /* Open the logfile at this point, if necessary. We can't open the logfile
4022 * when encountering either of the logging options (-d or -D) because the
4023 * other one may be encountered later on the command line, changing the
4024 * location or level of logging.
4025 */
4026 if (log_mask) {
4027 int mask;
4028 if (log_file) {
4029 qemu_set_log_filename(log_file);
4030 }
4031
4032 mask = qemu_str_to_log_mask(log_mask);
4033 if (!mask) {
4034 qemu_print_log_usage(stdout);
4035 exit(1);
4036 }
4037 qemu_set_log(mask);
4038 }
4039
4040 if (!is_daemonized()) {
4041 if (!trace_backend_init(trace_events, trace_file)) {
4042 exit(1);
4043 }
4044 }
4045
4046 /* If no data_dir is specified then try to find it relative to the
4047 executable path. */
4048 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4049 data_dir[data_dir_idx] = os_find_datadir();
4050 if (data_dir[data_dir_idx] != NULL) {
4051 data_dir_idx++;
4052 }
4053 }
4054 /* If all else fails use the install path specified when building. */
4055 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4056 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4057 }
4058
4059 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4060
4061 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4062 if (smp_cpus > machine_class->max_cpus) {
4063 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4064 "supported by machine `%s' (%d)\n", smp_cpus,
4065 machine_class->name, machine_class->max_cpus);
4066 exit(1);
4067 }
4068
4069 /*
4070 * Get the default machine options from the machine if it is not already
4071 * specified either by the configuration file or by the command line.
4072 */
4073 if (machine_class->default_machine_opts) {
4074 qemu_opts_set_defaults(qemu_find_opts("machine"),
4075 machine_class->default_machine_opts, 0);
4076 }
4077
4078 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4079 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4080
4081 if (!vga_model && !default_vga) {
4082 vga_interface_type = VGA_DEVICE;
4083 }
4084 if (!has_defaults || machine_class->no_serial) {
4085 default_serial = 0;
4086 }
4087 if (!has_defaults || machine_class->no_parallel) {
4088 default_parallel = 0;
4089 }
4090 if (!has_defaults || !machine_class->use_virtcon) {
4091 default_virtcon = 0;
4092 }
4093 if (!has_defaults || !machine_class->use_sclp) {
4094 default_sclp = 0;
4095 }
4096 if (!has_defaults || machine_class->no_floppy) {
4097 default_floppy = 0;
4098 }
4099 if (!has_defaults || machine_class->no_cdrom) {
4100 default_cdrom = 0;
4101 }
4102 if (!has_defaults || machine_class->no_sdcard) {
4103 default_sdcard = 0;
4104 }
4105 if (!has_defaults) {
4106 default_monitor = 0;
4107 default_net = 0;
4108 default_vga = 0;
4109 }
4110
4111 if (is_daemonized()) {
4112 /* According to documentation and historically, -nographic redirects
4113 * serial port, parallel port and monitor to stdio, which does not work
4114 * with -daemonize. We can redirect these to null instead, but since
4115 * -nographic is legacy, let's just error out.
4116 * We disallow -nographic only if all other ports are not redirected
4117 * explicitly, to not break existing legacy setups which uses
4118 * -nographic _and_ redirects all ports explicitly - this is valid
4119 * usage, -nographic is just a no-op in this case.
4120 */
4121 if (display_type == DT_NOGRAPHIC
4122 && (default_parallel || default_serial
4123 || default_monitor || default_virtcon)) {
4124 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4125 exit(1);
4126 }
4127 #ifdef CONFIG_CURSES
4128 if (display_type == DT_CURSES) {
4129 fprintf(stderr, "curses display can not be used with -daemonize\n");
4130 exit(1);
4131 }
4132 #endif
4133 }
4134
4135 if (display_type == DT_NOGRAPHIC) {
4136 if (default_parallel)
4137 add_device_config(DEV_PARALLEL, "null");
4138 if (default_serial && default_monitor) {
4139 add_device_config(DEV_SERIAL, "mon:stdio");
4140 } else if (default_virtcon && default_monitor) {
4141 add_device_config(DEV_VIRTCON, "mon:stdio");
4142 } else if (default_sclp && default_monitor) {
4143 add_device_config(DEV_SCLP, "mon:stdio");
4144 } else {
4145 if (default_serial)
4146 add_device_config(DEV_SERIAL, "stdio");
4147 if (default_virtcon)
4148 add_device_config(DEV_VIRTCON, "stdio");
4149 if (default_sclp) {
4150 add_device_config(DEV_SCLP, "stdio");
4151 }
4152 if (default_monitor)
4153 monitor_parse("stdio", "readline");
4154 }
4155 } else {
4156 if (default_serial)
4157 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4158 if (default_parallel)
4159 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4160 if (default_monitor)
4161 monitor_parse("vc:80Cx24C", "readline");
4162 if (default_virtcon)
4163 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4164 if (default_sclp) {
4165 add_device_config(DEV_SCLP, "vc:80Cx24C");
4166 }
4167 }
4168
4169 if (display_type == DT_DEFAULT && !display_remote) {
4170 #if defined(CONFIG_GTK)
4171 display_type = DT_GTK;
4172 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4173 display_type = DT_SDL;
4174 #elif defined(CONFIG_VNC)
4175 vnc_display = "localhost:0,to=99";
4176 show_vnc_port = 1;
4177 #else
4178 display_type = DT_NONE;
4179 #endif
4180 }
4181
4182 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4183 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4184 "for SDL, ignoring option\n");
4185 }
4186 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4187 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4188 "ignoring option\n");
4189 }
4190
4191 #if defined(CONFIG_GTK)
4192 if (display_type == DT_GTK) {
4193 early_gtk_display_init();
4194 }
4195 #endif
4196
4197 socket_init();
4198
4199 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4200 exit(1);
4201 #ifdef CONFIG_VIRTFS
4202 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4203 exit(1);
4204 }
4205 #endif
4206
4207 os_daemonize();
4208
4209 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4210 os_pidfile_error();
4211 exit(1);
4212 }
4213
4214 /* store value for the future use */
4215 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4216
4217 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4218 != 0) {
4219 exit(0);
4220 }
4221
4222 configure_accelerator(machine_class);
4223
4224 if (qtest_chrdev) {
4225 Error *local_err = NULL;
4226 qtest_init(qtest_chrdev, qtest_log, &local_err);
4227 if (local_err) {
4228 error_report("%s", error_get_pretty(local_err));
4229 error_free(local_err);
4230 exit(1);
4231 }
4232 }
4233
4234 machine_opts = qemu_get_machine_opts();
4235 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4236 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4237 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4238 bios_name = qemu_opt_get(machine_opts, "firmware");
4239
4240 boot_order = machine_class->default_boot_order;
4241 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4242 if (opts) {
4243 char *normal_boot_order;
4244 const char *order, *once;
4245
4246 order = qemu_opt_get(opts, "order");
4247 if (order) {
4248 validate_bootdevices(order);
4249 boot_order = order;
4250 }
4251
4252 once = qemu_opt_get(opts, "once");
4253 if (once) {
4254 validate_bootdevices(once);
4255 normal_boot_order = g_strdup(boot_order);
4256 boot_order = once;
4257 qemu_register_reset(restore_boot_order, normal_boot_order);
4258 }
4259
4260 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4261 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4262 }
4263
4264 if (!kernel_cmdline) {
4265 kernel_cmdline = "";
4266 }
4267
4268 linux_boot = (kernel_filename != NULL);
4269
4270 if (!linux_boot && *kernel_cmdline != '\0') {
4271 fprintf(stderr, "-append only allowed with -kernel option\n");
4272 exit(1);
4273 }
4274
4275 if (!linux_boot && initrd_filename != NULL) {
4276 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4277 exit(1);
4278 }
4279
4280 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4281 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4282 exit(1);
4283 }
4284
4285 os_set_line_buffering();
4286
4287 qemu_init_cpu_loop();
4288 qemu_mutex_lock_iothread();
4289
4290 #ifdef CONFIG_SPICE
4291 /* spice needs the timers to be initialized by this point */
4292 qemu_spice_init();
4293 #endif
4294
4295 if (icount_option && (kvm_enabled() || xen_enabled())) {
4296 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4297 exit(1);
4298 }
4299 configure_icount(icount_option);
4300
4301 /* clean up network at qemu process termination */
4302 atexit(&net_cleanup);
4303
4304 if (net_init_clients() < 0) {
4305 exit(1);
4306 }
4307
4308 #ifdef CONFIG_TPM
4309 if (tpm_init() < 0) {
4310 exit(1);
4311 }
4312 #endif
4313
4314 /* init the bluetooth world */
4315 if (foreach_device_config(DEV_BT, bt_parse))
4316 exit(1);
4317
4318 if (!xen_enabled()) {
4319 /* On 32-bit hosts, QEMU is limited by virtual address space */
4320 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4321 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4322 exit(1);
4323 }
4324 }
4325
4326 cpu_exec_init_all();
4327
4328 blk_mig_init();
4329 ram_mig_init();
4330
4331 /* open the virtual block devices */
4332 if (snapshot)
4333 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4334 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4335 &machine_class->block_default_type, 1) != 0) {
4336 exit(1);
4337 }
4338
4339 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4340 CDROM_OPTS);
4341 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4342 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4343
4344 if (nb_numa_nodes > 0) {
4345 int i;
4346
4347 if (nb_numa_nodes > MAX_NODES) {
4348 nb_numa_nodes = MAX_NODES;
4349 }
4350
4351 /* If no memory size if given for any node, assume the default case
4352 * and distribute the available memory equally across all nodes
4353 */
4354 for (i = 0; i < nb_numa_nodes; i++) {
4355 if (node_mem[i] != 0)
4356 break;
4357 }
4358 if (i == nb_numa_nodes) {
4359 uint64_t usedmem = 0;
4360
4361 /* On Linux, the each node's border has to be 8MB aligned,
4362 * the final node gets the rest.
4363 */
4364 for (i = 0; i < nb_numa_nodes - 1; i++) {
4365 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4366 usedmem += node_mem[i];
4367 }
4368 node_mem[i] = ram_size - usedmem;
4369 }
4370
4371 for (i = 0; i < nb_numa_nodes; i++) {
4372 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4373 break;
4374 }
4375 }
4376 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4377 * must cope with this anyway, because there are BIOSes out there in
4378 * real machines which also use this scheme.
4379 */
4380 if (i == nb_numa_nodes) {
4381 for (i = 0; i < max_cpus; i++) {
4382 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4383 }
4384 }
4385 }
4386
4387 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4388 exit(1);
4389 }
4390
4391 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4392 exit(1);
4393 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4394 exit(1);
4395 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4396 exit(1);
4397 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4398 exit(1);
4399 }
4400 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4401 exit(1);
4402
4403 /* If no default VGA is requested, the default is "none". */
4404 if (default_vga) {
4405 if (cirrus_vga_available()) {
4406 vga_model = "cirrus";
4407 } else if (vga_available()) {
4408 vga_model = "std";
4409 }
4410 }
4411 if (vga_model) {
4412 select_vgahw(vga_model);
4413 }
4414
4415 if (watchdog) {
4416 i = select_watchdog(watchdog);
4417 if (i > 0)
4418 exit (i == 1 ? 1 : 0);
4419 }
4420
4421 if (machine_class->compat_props) {
4422 qdev_prop_register_global_list(machine_class->compat_props);
4423 }
4424 qemu_add_globals();
4425
4426 qdev_machine_init();
4427
4428 current_machine->init_args = (QEMUMachineInitArgs) {
4429 .machine = machine_class,
4430 .ram_size = ram_size,
4431 .boot_order = boot_order,
4432 .kernel_filename = kernel_filename,
4433 .kernel_cmdline = kernel_cmdline,
4434 .initrd_filename = initrd_filename,
4435 .cpu_model = cpu_model };
4436
4437 machine_class->init(&current_machine->init_args);
4438
4439 audio_init();
4440
4441 cpu_synchronize_all_post_init();
4442
4443 set_numa_modes();
4444
4445 /* init USB devices */
4446 if (usb_enabled(false)) {
4447 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4448 exit(1);
4449 }
4450
4451 /* init generic devices */
4452 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4453 exit(1);
4454
4455 net_check_clients();
4456
4457 ds = init_displaystate();
4458
4459 /* init local displays */
4460 switch (display_type) {
4461 case DT_NOGRAPHIC:
4462 (void)ds; /* avoid warning if no display is configured */
4463 break;
4464 #if defined(CONFIG_CURSES)
4465 case DT_CURSES:
4466 curses_display_init(ds, full_screen);
4467 break;
4468 #endif
4469 #if defined(CONFIG_SDL)
4470 case DT_SDL:
4471 sdl_display_init(ds, full_screen, no_frame);
4472 break;
4473 #elif defined(CONFIG_COCOA)
4474 case DT_SDL:
4475 cocoa_display_init(ds, full_screen);
4476 break;
4477 #endif
4478 #if defined(CONFIG_GTK)
4479 case DT_GTK:
4480 gtk_display_init(ds, full_screen, grab_on_hover);
4481 break;
4482 #endif
4483 default:
4484 break;
4485 }
4486
4487 /* must be after terminal init, SDL library changes signal handlers */
4488 os_setup_signal_handling();
4489
4490 #ifdef CONFIG_VNC
4491 /* init remote displays */
4492 if (vnc_display) {
4493 Error *local_err = NULL;
4494 vnc_display_init(ds);
4495 vnc_display_open(ds, vnc_display, &local_err);
4496 if (local_err != NULL) {
4497 error_report("Failed to start VNC server on `%s': %s",
4498 vnc_display, error_get_pretty(local_err));
4499 error_free(local_err);
4500 exit(1);
4501 }
4502
4503 if (show_vnc_port) {
4504 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4505 }
4506 }
4507 #endif
4508 #ifdef CONFIG_SPICE
4509 if (using_spice) {
4510 qemu_spice_display_init();
4511 }
4512 #endif
4513
4514 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4515 exit(1);
4516 }
4517
4518 qdev_machine_creation_done();
4519
4520 if (rom_load_all() != 0) {
4521 fprintf(stderr, "rom loading failed\n");
4522 exit(1);
4523 }
4524
4525 /* TODO: once all bus devices are qdevified, this should be done
4526 * when bus is created by qdev.c */
4527 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4528 qemu_run_machine_init_done_notifiers();
4529
4530 /* Done notifiers can load ROMs */
4531 rom_load_done();
4532
4533 qemu_system_reset(VMRESET_SILENT);
4534 if (loadvm) {
4535 if (load_vmstate(loadvm) < 0) {
4536 autostart = 0;
4537 }
4538 }
4539
4540 if (incoming) {
4541 Error *local_err = NULL;
4542 qemu_start_incoming_migration(incoming, &local_err);
4543 if (local_err) {
4544 error_report("-incoming %s: %s", incoming,
4545 error_get_pretty(local_err));
4546 error_free(local_err);
4547 exit(1);
4548 }
4549 } else if (autostart) {
4550 vm_start();
4551 }
4552
4553 os_setup_post();
4554
4555 if (is_daemonized()) {
4556 if (!trace_backend_init(trace_events, trace_file)) {
4557 exit(1);
4558 }
4559 }
4560
4561 main_loop();
4562 bdrv_close_all();
4563 pause_all_vcpus();
4564 res_free();
4565 #ifdef CONFIG_TPM
4566 tpm_cleanup();
4567 #endif
4568
4569 return 0;
4570 }
QEMU Monitor Protocol