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char: Explain qmp_chardev_add()'s unusual error handling
[qemu-kvm.git] / vl.c
blob709d8cda8dc63715cc7f760e1fb142ae65f7fd5c
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 void parse_name(QemuOpts *opts)
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
983 bool usb_enabled(bool default_usb)
984 {
985 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
986 has_defaults && default_usb);
987 }
988
989 #ifndef _WIN32
990 static int parse_add_fd(QemuOpts *opts, void *opaque)
991 {
992 int fd, dupfd, flags;
993 int64_t fdset_id;
994 const char *fd_opaque = NULL;
995
996 fd = qemu_opt_get_number(opts, "fd", -1);
997 fdset_id = qemu_opt_get_number(opts, "set", -1);
998 fd_opaque = qemu_opt_get(opts, "opaque");
999
1000 if (fd < 0) {
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1002 "fd option is required and must be non-negative");
1003 return -1;
1004 }
1005
1006 if (fd <= STDERR_FILENO) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1008 "fd cannot be a standard I/O stream");
1009 return -1;
1010 }
1011
1012 /*
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1015 */
1016 flags = fcntl(fd, F_GETFD);
1017 if (flags == -1 || (flags & FD_CLOEXEC)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd is not valid or already in use");
1020 return -1;
1021 }
1022
1023 if (fdset_id < 0) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "set option is required and must be non-negative");
1026 return -1;
1027 }
1028
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1031 #else
1032 dupfd = dup(fd);
1033 if (dupfd != -1) {
1034 qemu_set_cloexec(dupfd);
1035 }
1036 #endif
1037 if (dupfd == -1) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "Error duplicating fd: %s", strerror(errno));
1040 return -1;
1041 }
1042
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1045 fd_opaque, NULL);
1046
1047 return 0;
1048 }
1049
1050 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1051 {
1052 int fd;
1053
1054 fd = qemu_opt_get_number(opts, "fd", -1);
1055 close(fd);
1056
1057 return 0;
1058 }
1059 #endif
1060
1061 /***********************************************************/
1062 /* QEMU Block devices */
1063
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1066 #define FD_OPTS ""
1067 #define PFLASH_OPTS ""
1068 #define MTD_OPTS ""
1069 #define SD_OPTS ""
1070
1071 static int drive_init_func(QemuOpts *opts, void *opaque)
1072 {
1073 BlockInterfaceType *block_default_type = opaque;
1074
1075 return drive_init(opts, *block_default_type) == NULL;
1076 }
1077
1078 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1079 {
1080 if (NULL == qemu_opt_get(opts, "snapshot")) {
1081 qemu_opt_set(opts, "snapshot", "on");
1082 }
1083 return 0;
1084 }
1085
1086 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1087 int index, const char *optstr)
1088 {
1089 QemuOpts *opts;
1090
1091 if (!enable || drive_get_by_index(type, index)) {
1092 return;
1093 }
1094
1095 opts = drive_add(type, index, NULL, optstr);
1096 if (snapshot) {
1097 drive_enable_snapshot(opts, NULL);
1098 }
1099 if (!drive_init(opts, type)) {
1100 exit(1);
1101 }
1102 }
1103
1104 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1105 {
1106 boot_set_handler = func;
1107 boot_set_opaque = opaque;
1108 }
1109
1110 int qemu_boot_set(const char *boot_order)
1111 {
1112 if (!boot_set_handler) {
1113 return -EINVAL;
1114 }
1115 return boot_set_handler(boot_set_opaque, boot_order);
1116 }
1117
1118 static void validate_bootdevices(const char *devices)
1119 {
1120 /* We just do some generic consistency checks */
1121 const char *p;
1122 int bitmap = 0;
1123
1124 for (p = devices; *p != '\0'; p++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1132 * features.
1133 */
1134 if (*p < 'a' || *p > 'p') {
1135 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1136 exit(1);
1137 }
1138 if (bitmap & (1 << (*p - 'a'))) {
1139 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1140 exit(1);
1141 }
1142 bitmap |= 1 << (*p - 'a');
1143 }
1144 }
1145
1146 static void restore_boot_order(void *opaque)
1147 {
1148 char *normal_boot_order = opaque;
1149 static int first = 1;
1150
1151 /* Restore boot order and remove ourselves after the first boot */
1152 if (first) {
1153 first = 0;
1154 return;
1155 }
1156
1157 qemu_boot_set(normal_boot_order);
1158
1159 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1160 g_free(normal_boot_order);
1161 }
1162
1163 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1164 const char *suffix)
1165 {
1166 FWBootEntry *node, *i;
1167
1168 if (bootindex < 0) {
1169 return;
1170 }
1171
1172 assert(dev != NULL || suffix != NULL);
1173
1174 node = g_malloc0(sizeof(FWBootEntry));
1175 node->bootindex = bootindex;
1176 node->suffix = g_strdup(suffix);
1177 node->dev = dev;
1178
1179 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1180 if (i->bootindex == bootindex) {
1181 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1182 exit(1);
1183 } else if (i->bootindex < bootindex) {
1184 continue;
1185 }
1186 QTAILQ_INSERT_BEFORE(i, node, link);
1187 return;
1188 }
1189 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1190 }
1191
1192 DeviceState *get_boot_device(uint32_t position)
1193 {
1194 uint32_t counter = 0;
1195 FWBootEntry *i = NULL;
1196 DeviceState *res = NULL;
1197
1198 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1199 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1200 if (counter == position) {
1201 res = i->dev;
1202 break;
1203 }
1204 counter++;
1205 }
1206 }
1207 return res;
1208 }
1209
1210 /*
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1213 *
1214 * memory pointed by "size" is assigned total length of the array in bytes
1215 *
1216 */
1217 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1218 {
1219 FWBootEntry *i;
1220 size_t total = 0;
1221 char *list = NULL;
1222
1223 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1224 char *devpath = NULL, *bootpath;
1225 size_t len;
1226
1227 if (i->dev) {
1228 devpath = qdev_get_fw_dev_path(i->dev);
1229 assert(devpath);
1230 }
1231
1232 if (i->suffix && !ignore_suffixes && devpath) {
1233 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1234
1235 bootpath = g_malloc(bootpathlen);
1236 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1237 g_free(devpath);
1238 } else if (devpath) {
1239 bootpath = devpath;
1240 } else if (!ignore_suffixes) {
1241 assert(i->suffix);
1242 bootpath = g_strdup(i->suffix);
1243 } else {
1244 bootpath = g_strdup("");
1245 }
1246
1247 if (total) {
1248 list[total-1] = '\n';
1249 }
1250 len = strlen(bootpath) + 1;
1251 list = g_realloc(list, total + len);
1252 memcpy(&list[total], bootpath, len);
1253 total += len;
1254 g_free(bootpath);
1255 }
1256
1257 *size = total;
1258
1259 if (boot_strict && *size > 0) {
1260 list[total-1] = '\n';
1261 list = g_realloc(list, total + 5);
1262 memcpy(&list[total], "HALT", 5);
1263 *size = total + 5;
1264 }
1265 return list;
1266 }
1267
1268 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1269 {
1270 char *endptr;
1271 unsigned long long value, endvalue;
1272
1273 /* Empty CPU range strings will be considered valid, they will simply
1274 * not set any bit in the CPU bitmap.
1275 */
1276 if (!*cpus) {
1277 return;
1278 }
1279
1280 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1281 goto error;
1282 }
1283 if (*endptr == '-') {
1284 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1285 goto error;
1286 }
1287 } else if (*endptr == '\0') {
1288 endvalue = value;
1289 } else {
1290 goto error;
1291 }
1292
1293 if (endvalue >= MAX_CPUMASK_BITS) {
1294 endvalue = MAX_CPUMASK_BITS - 1;
1295 fprintf(stderr,
1296 "qemu: NUMA: A max of %d VCPUs are supported\n",
1297 MAX_CPUMASK_BITS);
1298 }
1299
1300 if (endvalue < value) {
1301 goto error;
1302 }
1303
1304 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1305 return;
1306
1307 error:
1308 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1309 exit(1);
1310 }
1311
1312 static void numa_add(const char *optarg)
1313 {
1314 char option[128];
1315 char *endptr;
1316 unsigned long long nodenr;
1317
1318 optarg = get_opt_name(option, 128, optarg, ',');
1319 if (*optarg == ',') {
1320 optarg++;
1321 }
1322 if (!strcmp(option, "node")) {
1323
1324 if (nb_numa_nodes >= MAX_NODES) {
1325 fprintf(stderr, "qemu: too many NUMA nodes\n");
1326 exit(1);
1327 }
1328
1329 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1330 nodenr = nb_numa_nodes;
1331 } else {
1332 if (parse_uint_full(option, &nodenr, 10) < 0) {
1333 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1334 exit(1);
1335 }
1336 }
1337
1338 if (nodenr >= MAX_NODES) {
1339 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1340 exit(1);
1341 }
1342
1343 if (get_param_value(option, 128, "mem", optarg) == 0) {
1344 node_mem[nodenr] = 0;
1345 } else {
1346 int64_t sval;
1347 sval = strtosz(option, &endptr);
1348 if (sval < 0 || *endptr) {
1349 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1350 exit(1);
1351 }
1352 node_mem[nodenr] = sval;
1353 }
1354 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1355 numa_node_parse_cpus(nodenr, option);
1356 }
1357 nb_numa_nodes++;
1358 } else {
1359 fprintf(stderr, "Invalid -numa option: %s\n", option);
1360 exit(1);
1361 }
1362 }
1363
1364 static QemuOptsList qemu_smp_opts = {
1365 .name = "smp-opts",
1366 .implied_opt_name = "cpus",
1367 .merge_lists = true,
1368 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1369 .desc = {
1370 {
1371 .name = "cpus",
1372 .type = QEMU_OPT_NUMBER,
1373 }, {
1374 .name = "sockets",
1375 .type = QEMU_OPT_NUMBER,
1376 }, {
1377 .name = "cores",
1378 .type = QEMU_OPT_NUMBER,
1379 }, {
1380 .name = "threads",
1381 .type = QEMU_OPT_NUMBER,
1382 }, {
1383 .name = "maxcpus",
1384 .type = QEMU_OPT_NUMBER,
1385 },
1386 { /*End of list */ }
1387 },
1388 };
1389
1390 static void smp_parse(QemuOpts *opts)
1391 {
1392 if (opts) {
1393
1394 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1395 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1396 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1397 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1398
1399 /* compute missing values, prefer sockets over cores over threads */
1400 if (cpus == 0 || sockets == 0) {
1401 sockets = sockets > 0 ? sockets : 1;
1402 cores = cores > 0 ? cores : 1;
1403 threads = threads > 0 ? threads : 1;
1404 if (cpus == 0) {
1405 cpus = cores * threads * sockets;
1406 }
1407 } else {
1408 if (cores == 0) {
1409 threads = threads > 0 ? threads : 1;
1410 cores = cpus / (sockets * threads);
1411 } else {
1412 threads = cpus / (cores * sockets);
1413 }
1414 }
1415
1416 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1417
1418 smp_cpus = cpus;
1419 smp_cores = cores > 0 ? cores : 1;
1420 smp_threads = threads > 0 ? threads : 1;
1421
1422 }
1423
1424 if (max_cpus == 0) {
1425 max_cpus = smp_cpus;
1426 }
1427
1428 if (max_cpus > MAX_CPUMASK_BITS) {
1429 fprintf(stderr, "Unsupported number of maxcpus\n");
1430 exit(1);
1431 }
1432 if (max_cpus < smp_cpus) {
1433 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1434 exit(1);
1435 }
1436
1437 }
1438
1439 static void configure_realtime(QemuOpts *opts)
1440 {
1441 bool enable_mlock;
1442
1443 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1444
1445 if (enable_mlock) {
1446 if (os_mlock() < 0) {
1447 fprintf(stderr, "qemu: locking memory failed\n");
1448 exit(1);
1449 }
1450 }
1451 }
1452
1453
1454 static void configure_msg(QemuOpts *opts)
1455 {
1456 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1457 }
1458
1459 /***********************************************************/
1460 /* USB devices */
1461
1462 static int usb_device_add(const char *devname)
1463 {
1464 USBDevice *dev = NULL;
1465 #ifndef CONFIG_LINUX
1466 const char *p;
1467 #endif
1468
1469 if (!usb_enabled(false)) {
1470 return -1;
1471 }
1472
1473 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1474 dev = usbdevice_create(devname);
1475 if (dev)
1476 goto done;
1477
1478 /* the other ones */
1479 #ifndef CONFIG_LINUX
1480 /* only the linux version is qdev-ified, usb-bsd still needs this */
1481 if (strstart(devname, "host:", &p)) {
1482 dev = usb_host_device_open(usb_bus_find(-1), p);
1483 }
1484 #endif
1485 if (!dev)
1486 return -1;
1487
1488 done:
1489 return 0;
1490 }
1491
1492 static int usb_device_del(const char *devname)
1493 {
1494 int bus_num, addr;
1495 const char *p;
1496
1497 if (strstart(devname, "host:", &p)) {
1498 return -1;
1499 }
1500
1501 if (!usb_enabled(false)) {
1502 return -1;
1503 }
1504
1505 p = strchr(devname, '.');
1506 if (!p)
1507 return -1;
1508 bus_num = strtoul(devname, NULL, 0);
1509 addr = strtoul(p + 1, NULL, 0);
1510
1511 return usb_device_delete_addr(bus_num, addr);
1512 }
1513
1514 static int usb_parse(const char *cmdline)
1515 {
1516 int r;
1517 r = usb_device_add(cmdline);
1518 if (r < 0) {
1519 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1520 }
1521 return r;
1522 }
1523
1524 void do_usb_add(Monitor *mon, const QDict *qdict)
1525 {
1526 const char *devname = qdict_get_str(qdict, "devname");
1527 if (usb_device_add(devname) < 0) {
1528 error_report("could not add USB device '%s'", devname);
1529 }
1530 }
1531
1532 void do_usb_del(Monitor *mon, const QDict *qdict)
1533 {
1534 const char *devname = qdict_get_str(qdict, "devname");
1535 if (usb_device_del(devname) < 0) {
1536 error_report("could not delete USB device '%s'", devname);
1537 }
1538 }
1539
1540 /***********************************************************/
1541 /* PCMCIA/Cardbus */
1542
1543 static struct pcmcia_socket_entry_s {
1544 PCMCIASocket *socket;
1545 struct pcmcia_socket_entry_s *next;
1546 } *pcmcia_sockets = 0;
1547
1548 void pcmcia_socket_register(PCMCIASocket *socket)
1549 {
1550 struct pcmcia_socket_entry_s *entry;
1551
1552 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1553 entry->socket = socket;
1554 entry->next = pcmcia_sockets;
1555 pcmcia_sockets = entry;
1556 }
1557
1558 void pcmcia_socket_unregister(PCMCIASocket *socket)
1559 {
1560 struct pcmcia_socket_entry_s *entry, **ptr;
1561
1562 ptr = &pcmcia_sockets;
1563 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1564 if (entry->socket == socket) {
1565 *ptr = entry->next;
1566 g_free(entry);
1567 }
1568 }
1569
1570 void pcmcia_info(Monitor *mon, const QDict *qdict)
1571 {
1572 struct pcmcia_socket_entry_s *iter;
1573
1574 if (!pcmcia_sockets)
1575 monitor_printf(mon, "No PCMCIA sockets\n");
1576
1577 for (iter = pcmcia_sockets; iter; iter = iter->next)
1578 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1579 iter->socket->attached ? iter->socket->card_string :
1580 "Empty");
1581 }
1582
1583 /***********************************************************/
1584 /* machine registration */
1585
1586 MachineState *current_machine;
1587
1588 static void machine_class_init(ObjectClass *oc, void *data)
1589 {
1590 MachineClass *mc = MACHINE_CLASS(oc);
1591 QEMUMachine *qm = data;
1592
1593 mc->name = qm->name;
1594 mc->alias = qm->alias;
1595 mc->desc = qm->desc;
1596 mc->init = qm->init;
1597 mc->reset = qm->reset;
1598 mc->hot_add_cpu = qm->hot_add_cpu;
1599 mc->kvm_type = qm->kvm_type;
1600 mc->block_default_type = qm->block_default_type;
1601 mc->max_cpus = qm->max_cpus;
1602 mc->no_serial = qm->no_serial;
1603 mc->no_parallel = qm->no_parallel;
1604 mc->use_virtcon = qm->use_virtcon;
1605 mc->use_sclp = qm->use_sclp;
1606 mc->no_floppy = qm->no_floppy;
1607 mc->no_cdrom = qm->no_cdrom;
1608 mc->no_sdcard = qm->no_sdcard;
1609 mc->is_default = qm->is_default;
1610 mc->default_machine_opts = qm->default_machine_opts;
1611 mc->default_boot_order = qm->default_boot_order;
1612 mc->compat_props = qm->compat_props;
1613 mc->hw_version = qm->hw_version;
1614 }
1615
1616 int qemu_register_machine(QEMUMachine *m)
1617 {
1618 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1619 TypeInfo ti = {
1620 .name = name,
1621 .parent = TYPE_MACHINE,
1622 .class_init = machine_class_init,
1623 .class_data = (void *)m,
1624 };
1625
1626 type_register(&ti);
1627 g_free(name);
1628
1629 return 0;
1630 }
1631
1632 static MachineClass *find_machine(const char *name)
1633 {
1634 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1635 MachineClass *mc = NULL;
1636
1637 for (el = machines; el; el = el->next) {
1638 MachineClass *temp = el->data;
1639
1640 if (!strcmp(temp->name, name)) {
1641 mc = temp;
1642 break;
1643 }
1644 if (temp->alias &&
1645 !strcmp(temp->alias, name)) {
1646 mc = temp;
1647 break;
1648 }
1649 }
1650
1651 g_slist_free(machines);
1652 return mc;
1653 }
1654
1655 MachineClass *find_default_machine(void)
1656 {
1657 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1658 MachineClass *mc = NULL;
1659
1660 for (el = machines; el; el = el->next) {
1661 MachineClass *temp = el->data;
1662
1663 if (temp->is_default) {
1664 mc = temp;
1665 break;
1666 }
1667 }
1668
1669 g_slist_free(machines);
1670 return mc;
1671 }
1672
1673 MachineInfoList *qmp_query_machines(Error **errp)
1674 {
1675 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1676 MachineInfoList *mach_list = NULL;
1677
1678 for (el = machines; el; el = el->next) {
1679 MachineClass *mc = el->data;
1680 MachineInfoList *entry;
1681 MachineInfo *info;
1682
1683 info = g_malloc0(sizeof(*info));
1684 if (mc->is_default) {
1685 info->has_is_default = true;
1686 info->is_default = true;
1687 }
1688
1689 if (mc->alias) {
1690 info->has_alias = true;
1691 info->alias = g_strdup(mc->alias);
1692 }
1693
1694 info->name = g_strdup(mc->name);
1695 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1696
1697 entry = g_malloc0(sizeof(*entry));
1698 entry->value = info;
1699 entry->next = mach_list;
1700 mach_list = entry;
1701 }
1702
1703 g_slist_free(machines);
1704 return mach_list;
1705 }
1706
1707 /***********************************************************/
1708 /* main execution loop */
1709
1710 struct vm_change_state_entry {
1711 VMChangeStateHandler *cb;
1712 void *opaque;
1713 QLIST_ENTRY (vm_change_state_entry) entries;
1714 };
1715
1716 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1717
1718 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1719 void *opaque)
1720 {
1721 VMChangeStateEntry *e;
1722
1723 e = g_malloc0(sizeof (*e));
1724
1725 e->cb = cb;
1726 e->opaque = opaque;
1727 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1728 return e;
1729 }
1730
1731 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1732 {
1733 QLIST_REMOVE (e, entries);
1734 g_free (e);
1735 }
1736
1737 void vm_state_notify(int running, RunState state)
1738 {
1739 VMChangeStateEntry *e;
1740
1741 trace_vm_state_notify(running, state);
1742
1743 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1744 e->cb(e->opaque, running, state);
1745 }
1746 }
1747
1748 void vm_start(void)
1749 {
1750 if (!runstate_is_running()) {
1751 cpu_enable_ticks();
1752 runstate_set(RUN_STATE_RUNNING);
1753 vm_state_notify(1, RUN_STATE_RUNNING);
1754 resume_all_vcpus();
1755 monitor_protocol_event(QEVENT_RESUME, NULL);
1756 }
1757 }
1758
1759 /* reset/shutdown handler */
1760
1761 typedef struct QEMUResetEntry {
1762 QTAILQ_ENTRY(QEMUResetEntry) entry;
1763 QEMUResetHandler *func;
1764 void *opaque;
1765 } QEMUResetEntry;
1766
1767 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1768 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1769 static int reset_requested;
1770 static int shutdown_requested, shutdown_signal = -1;
1771 static pid_t shutdown_pid;
1772 static int powerdown_requested;
1773 static int debug_requested;
1774 static int suspend_requested;
1775 static WakeupReason wakeup_reason;
1776 static NotifierList powerdown_notifiers =
1777 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1778 static NotifierList suspend_notifiers =
1779 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1780 static NotifierList wakeup_notifiers =
1781 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1782 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1783 static RunState vmstop_requested = RUN_STATE_MAX;
1784
1785 int qemu_shutdown_requested_get(void)
1786 {
1787 return shutdown_requested;
1788 }
1789
1790 int qemu_reset_requested_get(void)
1791 {
1792 return reset_requested;
1793 }
1794
1795 static int qemu_shutdown_requested(void)
1796 {
1797 int r = shutdown_requested;
1798 shutdown_requested = 0;
1799 return r;
1800 }
1801
1802 static void qemu_kill_report(void)
1803 {
1804 if (!qtest_driver() && shutdown_signal != -1) {
1805 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1806 if (shutdown_pid == 0) {
1807 /* This happens for eg ^C at the terminal, so it's worth
1808 * avoiding printing an odd message in that case.
1809 */
1810 fputc('\n', stderr);
1811 } else {
1812 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1813 }
1814 shutdown_signal = -1;
1815 }
1816 }
1817
1818 static int qemu_reset_requested(void)
1819 {
1820 int r = reset_requested;
1821 reset_requested = 0;
1822 return r;
1823 }
1824
1825 static int qemu_suspend_requested(void)
1826 {
1827 int r = suspend_requested;
1828 suspend_requested = 0;
1829 return r;
1830 }
1831
1832 static WakeupReason qemu_wakeup_requested(void)
1833 {
1834 return wakeup_reason;
1835 }
1836
1837 static int qemu_powerdown_requested(void)
1838 {
1839 int r = powerdown_requested;
1840 powerdown_requested = 0;
1841 return r;
1842 }
1843
1844 static int qemu_debug_requested(void)
1845 {
1846 int r = debug_requested;
1847 debug_requested = 0;
1848 return r;
1849 }
1850
1851 /* We use RUN_STATE_MAX but any invalid value will do */
1852 static bool qemu_vmstop_requested(RunState *r)
1853 {
1854 if (vmstop_requested < RUN_STATE_MAX) {
1855 *r = vmstop_requested;
1856 vmstop_requested = RUN_STATE_MAX;
1857 return true;
1858 }
1859
1860 return false;
1861 }
1862
1863 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1864 {
1865 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1866
1867 re->func = func;
1868 re->opaque = opaque;
1869 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1870 }
1871
1872 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1873 {
1874 QEMUResetEntry *re;
1875
1876 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1877 if (re->func == func && re->opaque == opaque) {
1878 QTAILQ_REMOVE(&reset_handlers, re, entry);
1879 g_free(re);
1880 return;
1881 }
1882 }
1883 }
1884
1885 void qemu_devices_reset(void)
1886 {
1887 QEMUResetEntry *re, *nre;
1888
1889 /* reset all devices */
1890 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1891 re->func(re->opaque);
1892 }
1893 }
1894
1895 void qemu_system_reset(bool report)
1896 {
1897 MachineClass *mc;
1898
1899 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1900
1901 if (mc && mc->reset) {
1902 mc->reset();
1903 } else {
1904 qemu_devices_reset();
1905 }
1906 if (report) {
1907 monitor_protocol_event(QEVENT_RESET, NULL);
1908 }
1909 cpu_synchronize_all_post_reset();
1910 }
1911
1912 void qemu_system_reset_request(void)
1913 {
1914 if (no_reboot) {
1915 shutdown_requested = 1;
1916 } else {
1917 reset_requested = 1;
1918 }
1919 cpu_stop_current();
1920 qemu_notify_event();
1921 }
1922
1923 static void qemu_system_suspend(void)
1924 {
1925 pause_all_vcpus();
1926 notifier_list_notify(&suspend_notifiers, NULL);
1927 runstate_set(RUN_STATE_SUSPENDED);
1928 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1929 }
1930
1931 void qemu_system_suspend_request(void)
1932 {
1933 if (runstate_check(RUN_STATE_SUSPENDED)) {
1934 return;
1935 }
1936 suspend_requested = 1;
1937 cpu_stop_current();
1938 qemu_notify_event();
1939 }
1940
1941 void qemu_register_suspend_notifier(Notifier *notifier)
1942 {
1943 notifier_list_add(&suspend_notifiers, notifier);
1944 }
1945
1946 void qemu_system_wakeup_request(WakeupReason reason)
1947 {
1948 trace_system_wakeup_request(reason);
1949
1950 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1951 return;
1952 }
1953 if (!(wakeup_reason_mask & (1 << reason))) {
1954 return;
1955 }
1956 runstate_set(RUN_STATE_RUNNING);
1957 wakeup_reason = reason;
1958 qemu_notify_event();
1959 }
1960
1961 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1962 {
1963 if (enabled) {
1964 wakeup_reason_mask |= (1 << reason);
1965 } else {
1966 wakeup_reason_mask &= ~(1 << reason);
1967 }
1968 }
1969
1970 void qemu_register_wakeup_notifier(Notifier *notifier)
1971 {
1972 notifier_list_add(&wakeup_notifiers, notifier);
1973 }
1974
1975 void qemu_system_killed(int signal, pid_t pid)
1976 {
1977 shutdown_signal = signal;
1978 shutdown_pid = pid;
1979 no_shutdown = 0;
1980 qemu_system_shutdown_request();
1981 }
1982
1983 void qemu_system_shutdown_request(void)
1984 {
1985 shutdown_requested = 1;
1986 qemu_notify_event();
1987 }
1988
1989 static void qemu_system_powerdown(void)
1990 {
1991 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1992 notifier_list_notify(&powerdown_notifiers, NULL);
1993 }
1994
1995 void qemu_system_powerdown_request(void)
1996 {
1997 powerdown_requested = 1;
1998 qemu_notify_event();
1999 }
2000
2001 void qemu_register_powerdown_notifier(Notifier *notifier)
2002 {
2003 notifier_list_add(&powerdown_notifiers, notifier);
2004 }
2005
2006 void qemu_system_debug_request(void)
2007 {
2008 debug_requested = 1;
2009 qemu_notify_event();
2010 }
2011
2012 void qemu_system_vmstop_request(RunState state)
2013 {
2014 vmstop_requested = state;
2015 qemu_notify_event();
2016 }
2017
2018 static bool main_loop_should_exit(void)
2019 {
2020 RunState r;
2021 if (qemu_debug_requested()) {
2022 vm_stop(RUN_STATE_DEBUG);
2023 }
2024 if (qemu_suspend_requested()) {
2025 qemu_system_suspend();
2026 }
2027 if (qemu_shutdown_requested()) {
2028 qemu_kill_report();
2029 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2030 if (no_shutdown) {
2031 vm_stop(RUN_STATE_SHUTDOWN);
2032 } else {
2033 return true;
2034 }
2035 }
2036 if (qemu_reset_requested()) {
2037 pause_all_vcpus();
2038 cpu_synchronize_all_states();
2039 qemu_system_reset(VMRESET_REPORT);
2040 resume_all_vcpus();
2041 if (runstate_needs_reset()) {
2042 runstate_set(RUN_STATE_PAUSED);
2043 }
2044 }
2045 if (qemu_wakeup_requested()) {
2046 pause_all_vcpus();
2047 cpu_synchronize_all_states();
2048 qemu_system_reset(VMRESET_SILENT);
2049 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2050 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2051 resume_all_vcpus();
2052 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2053 }
2054 if (qemu_powerdown_requested()) {
2055 qemu_system_powerdown();
2056 }
2057 if (qemu_vmstop_requested(&r)) {
2058 vm_stop(r);
2059 }
2060 return false;
2061 }
2062
2063 static void main_loop(void)
2064 {
2065 bool nonblocking;
2066 int last_io = 0;
2067 #ifdef CONFIG_PROFILER
2068 int64_t ti;
2069 #endif
2070 do {
2071 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2072 #ifdef CONFIG_PROFILER
2073 ti = profile_getclock();
2074 #endif
2075 last_io = main_loop_wait(nonblocking);
2076 #ifdef CONFIG_PROFILER
2077 dev_time += profile_getclock() - ti;
2078 #endif
2079 } while (!main_loop_should_exit());
2080 }
2081
2082 static void version(void)
2083 {
2084 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2085 }
2086
2087 static void help(int exitcode)
2088 {
2089 version();
2090 printf("usage: %s [options] [disk_image]\n\n"
2091 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2092 error_get_progname());
2093
2094 #define QEMU_OPTIONS_GENERATE_HELP
2095 #include "qemu-options-wrapper.h"
2096
2097 printf("\nDuring emulation, the following keys are useful:\n"
2098 "ctrl-alt-f toggle full screen\n"
2099 "ctrl-alt-n switch to virtual console 'n'\n"
2100 "ctrl-alt toggle mouse and keyboard grab\n"
2101 "\n"
2102 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2103
2104 exit(exitcode);
2105 }
2106
2107 #define HAS_ARG 0x0001
2108
2109 typedef struct QEMUOption {
2110 const char *name;
2111 int flags;
2112 int index;
2113 uint32_t arch_mask;
2114 } QEMUOption;
2115
2116 static const QEMUOption qemu_options[] = {
2117 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2118 #define QEMU_OPTIONS_GENERATE_OPTIONS
2119 #include "qemu-options-wrapper.h"
2120 { NULL },
2121 };
2122
2123 static bool vga_available(void)
2124 {
2125 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2126 }
2127
2128 static bool cirrus_vga_available(void)
2129 {
2130 return object_class_by_name("cirrus-vga")
2131 || object_class_by_name("isa-cirrus-vga");
2132 }
2133
2134 static bool vmware_vga_available(void)
2135 {
2136 return object_class_by_name("vmware-svga");
2137 }
2138
2139 static bool qxl_vga_available(void)
2140 {
2141 return object_class_by_name("qxl-vga");
2142 }
2143
2144 static bool tcx_vga_available(void)
2145 {
2146 return object_class_by_name("SUNW,tcx");
2147 }
2148
2149 static bool cg3_vga_available(void)
2150 {
2151 return object_class_by_name("cgthree");
2152 }
2153
2154 static void select_vgahw (const char *p)
2155 {
2156 const char *opts;
2157
2158 assert(vga_interface_type == VGA_NONE);
2159 if (strstart(p, "std", &opts)) {
2160 if (vga_available()) {
2161 vga_interface_type = VGA_STD;
2162 } else {
2163 fprintf(stderr, "Error: standard VGA not available\n");
2164 exit(0);
2165 }
2166 } else if (strstart(p, "cirrus", &opts)) {
2167 if (cirrus_vga_available()) {
2168 vga_interface_type = VGA_CIRRUS;
2169 } else {
2170 fprintf(stderr, "Error: Cirrus VGA not available\n");
2171 exit(0);
2172 }
2173 } else if (strstart(p, "vmware", &opts)) {
2174 if (vmware_vga_available()) {
2175 vga_interface_type = VGA_VMWARE;
2176 } else {
2177 fprintf(stderr, "Error: VMWare SVGA not available\n");
2178 exit(0);
2179 }
2180 } else if (strstart(p, "xenfb", &opts)) {
2181 vga_interface_type = VGA_XENFB;
2182 } else if (strstart(p, "qxl", &opts)) {
2183 if (qxl_vga_available()) {
2184 vga_interface_type = VGA_QXL;
2185 } else {
2186 fprintf(stderr, "Error: QXL VGA not available\n");
2187 exit(0);
2188 }
2189 } else if (strstart(p, "tcx", &opts)) {
2190 if (tcx_vga_available()) {
2191 vga_interface_type = VGA_TCX;
2192 } else {
2193 fprintf(stderr, "Error: TCX framebuffer not available\n");
2194 exit(0);
2195 }
2196 } else if (strstart(p, "cg3", &opts)) {
2197 if (cg3_vga_available()) {
2198 vga_interface_type = VGA_CG3;
2199 } else {
2200 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2201 exit(0);
2202 }
2203 } else if (!strstart(p, "none", &opts)) {
2204 invalid_vga:
2205 fprintf(stderr, "Unknown vga type: %s\n", p);
2206 exit(1);
2207 }
2208 while (*opts) {
2209 const char *nextopt;
2210
2211 if (strstart(opts, ",retrace=", &nextopt)) {
2212 opts = nextopt;
2213 if (strstart(opts, "dumb", &nextopt))
2214 vga_retrace_method = VGA_RETRACE_DUMB;
2215 else if (strstart(opts, "precise", &nextopt))
2216 vga_retrace_method = VGA_RETRACE_PRECISE;
2217 else goto invalid_vga;
2218 } else goto invalid_vga;
2219 opts = nextopt;
2220 }
2221 }
2222
2223 static DisplayType select_display(const char *p)
2224 {
2225 const char *opts;
2226 DisplayType display = DT_DEFAULT;
2227
2228 if (strstart(p, "sdl", &opts)) {
2229 #ifdef CONFIG_SDL
2230 display = DT_SDL;
2231 while (*opts) {
2232 const char *nextopt;
2233
2234 if (strstart(opts, ",frame=", &nextopt)) {
2235 opts = nextopt;
2236 if (strstart(opts, "on", &nextopt)) {
2237 no_frame = 0;
2238 } else if (strstart(opts, "off", &nextopt)) {
2239 no_frame = 1;
2240 } else {
2241 goto invalid_sdl_args;
2242 }
2243 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2244 opts = nextopt;
2245 if (strstart(opts, "on", &nextopt)) {
2246 alt_grab = 1;
2247 } else if (strstart(opts, "off", &nextopt)) {
2248 alt_grab = 0;
2249 } else {
2250 goto invalid_sdl_args;
2251 }
2252 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2253 opts = nextopt;
2254 if (strstart(opts, "on", &nextopt)) {
2255 ctrl_grab = 1;
2256 } else if (strstart(opts, "off", &nextopt)) {
2257 ctrl_grab = 0;
2258 } else {
2259 goto invalid_sdl_args;
2260 }
2261 } else if (strstart(opts, ",window_close=", &nextopt)) {
2262 opts = nextopt;
2263 if (strstart(opts, "on", &nextopt)) {
2264 no_quit = 0;
2265 } else if (strstart(opts, "off", &nextopt)) {
2266 no_quit = 1;
2267 } else {
2268 goto invalid_sdl_args;
2269 }
2270 } else {
2271 invalid_sdl_args:
2272 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2273 exit(1);
2274 }
2275 opts = nextopt;
2276 }
2277 #else
2278 fprintf(stderr, "SDL support is disabled\n");
2279 exit(1);
2280 #endif
2281 } else if (strstart(p, "vnc", &opts)) {
2282 #ifdef CONFIG_VNC
2283 display_remote++;
2284
2285 if (*opts) {
2286 const char *nextopt;
2287
2288 if (strstart(opts, "=", &nextopt)) {
2289 vnc_display = nextopt;
2290 }
2291 }
2292 if (!vnc_display) {
2293 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2294 exit(1);
2295 }
2296 #else
2297 fprintf(stderr, "VNC support is disabled\n");
2298 exit(1);
2299 #endif
2300 } else if (strstart(p, "curses", &opts)) {
2301 #ifdef CONFIG_CURSES
2302 display = DT_CURSES;
2303 #else
2304 fprintf(stderr, "Curses support is disabled\n");
2305 exit(1);
2306 #endif
2307 } else if (strstart(p, "gtk", &opts)) {
2308 #ifdef CONFIG_GTK
2309 display = DT_GTK;
2310 while (*opts) {
2311 const char *nextopt;
2312
2313 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2314 opts = nextopt;
2315 if (strstart(opts, "on", &nextopt)) {
2316 grab_on_hover = true;
2317 } else if (strstart(opts, "off", &nextopt)) {
2318 grab_on_hover = false;
2319 } else {
2320 goto invalid_gtk_args;
2321 }
2322 } else {
2323 invalid_gtk_args:
2324 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2325 exit(1);
2326 }
2327 opts = nextopt;
2328 }
2329 #else
2330 fprintf(stderr, "GTK support is disabled\n");
2331 exit(1);
2332 #endif
2333 } else if (strstart(p, "none", &opts)) {
2334 display = DT_NONE;
2335 } else {
2336 fprintf(stderr, "Unknown display type: %s\n", p);
2337 exit(1);
2338 }
2339
2340 return display;
2341 }
2342
2343 static int balloon_parse(const char *arg)
2344 {
2345 QemuOpts *opts;
2346
2347 if (strcmp(arg, "none") == 0) {
2348 return 0;
2349 }
2350
2351 if (!strncmp(arg, "virtio", 6)) {
2352 if (arg[6] == ',') {
2353 /* have params -> parse them */
2354 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2355 if (!opts)
2356 return -1;
2357 } else {
2358 /* create empty opts */
2359 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2360 &error_abort);
2361 }
2362 qemu_opt_set(opts, "driver", "virtio-balloon");
2363 return 0;
2364 }
2365
2366 return -1;
2367 }
2368
2369 char *qemu_find_file(int type, const char *name)
2370 {
2371 int i;
2372 const char *subdir;
2373 char *buf;
2374
2375 /* Try the name as a straight path first */
2376 if (access(name, R_OK) == 0) {
2377 trace_load_file(name, name);
2378 return g_strdup(name);
2379 }
2380
2381 switch (type) {
2382 case QEMU_FILE_TYPE_BIOS:
2383 subdir = "";
2384 break;
2385 case QEMU_FILE_TYPE_KEYMAP:
2386 subdir = "keymaps/";
2387 break;
2388 default:
2389 abort();
2390 }
2391
2392 for (i = 0; i < data_dir_idx; i++) {
2393 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2394 if (access(buf, R_OK) == 0) {
2395 trace_load_file(name, buf);
2396 return buf;
2397 }
2398 g_free(buf);
2399 }
2400 return NULL;
2401 }
2402
2403 static int device_help_func(QemuOpts *opts, void *opaque)
2404 {
2405 return qdev_device_help(opts);
2406 }
2407
2408 static int device_init_func(QemuOpts *opts, void *opaque)
2409 {
2410 DeviceState *dev;
2411
2412 dev = qdev_device_add(opts);
2413 if (!dev)
2414 return -1;
2415 object_unref(OBJECT(dev));
2416 return 0;
2417 }
2418
2419 static int chardev_init_func(QemuOpts *opts, void *opaque)
2420 {
2421 Error *local_err = NULL;
2422
2423 qemu_chr_new_from_opts(opts, NULL, &local_err);
2424 if (local_err) {
2425 error_report("%s", error_get_pretty(local_err));
2426 error_free(local_err);
2427 return -1;
2428 }
2429 return 0;
2430 }
2431
2432 #ifdef CONFIG_VIRTFS
2433 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2434 {
2435 int ret;
2436 ret = qemu_fsdev_add(opts);
2437
2438 return ret;
2439 }
2440 #endif
2441
2442 static int mon_init_func(QemuOpts *opts, void *opaque)
2443 {
2444 CharDriverState *chr;
2445 const char *chardev;
2446 const char *mode;
2447 int flags;
2448
2449 mode = qemu_opt_get(opts, "mode");
2450 if (mode == NULL) {
2451 mode = "readline";
2452 }
2453 if (strcmp(mode, "readline") == 0) {
2454 flags = MONITOR_USE_READLINE;
2455 } else if (strcmp(mode, "control") == 0) {
2456 flags = MONITOR_USE_CONTROL;
2457 } else {
2458 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2459 exit(1);
2460 }
2461
2462 if (qemu_opt_get_bool(opts, "pretty", 0))
2463 flags |= MONITOR_USE_PRETTY;
2464
2465 if (qemu_opt_get_bool(opts, "default", 0))
2466 flags |= MONITOR_IS_DEFAULT;
2467
2468 chardev = qemu_opt_get(opts, "chardev");
2469 chr = qemu_chr_find(chardev);
2470 if (chr == NULL) {
2471 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2472 exit(1);
2473 }
2474
2475 qemu_chr_fe_claim_no_fail(chr);
2476 monitor_init(chr, flags);
2477 return 0;
2478 }
2479
2480 static void monitor_parse(const char *optarg, const char *mode)
2481 {
2482 static int monitor_device_index = 0;
2483 QemuOpts *opts;
2484 const char *p;
2485 char label[32];
2486 int def = 0;
2487
2488 if (strstart(optarg, "chardev:", &p)) {
2489 snprintf(label, sizeof(label), "%s", p);
2490 } else {
2491 snprintf(label, sizeof(label), "compat_monitor%d",
2492 monitor_device_index);
2493 if (monitor_device_index == 0) {
2494 def = 1;
2495 }
2496 opts = qemu_chr_parse_compat(label, optarg);
2497 if (!opts) {
2498 fprintf(stderr, "parse error: %s\n", optarg);
2499 exit(1);
2500 }
2501 }
2502
2503 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2504 if (!opts) {
2505 fprintf(stderr, "duplicate chardev: %s\n", label);
2506 exit(1);
2507 }
2508 qemu_opt_set(opts, "mode", mode);
2509 qemu_opt_set(opts, "chardev", label);
2510 if (def)
2511 qemu_opt_set(opts, "default", "on");
2512 monitor_device_index++;
2513 }
2514
2515 struct device_config {
2516 enum {
2517 DEV_USB, /* -usbdevice */
2518 DEV_BT, /* -bt */
2519 DEV_SERIAL, /* -serial */
2520 DEV_PARALLEL, /* -parallel */
2521 DEV_VIRTCON, /* -virtioconsole */
2522 DEV_DEBUGCON, /* -debugcon */
2523 DEV_GDB, /* -gdb, -s */
2524 DEV_SCLP, /* s390 sclp */
2525 } type;
2526 const char *cmdline;
2527 Location loc;
2528 QTAILQ_ENTRY(device_config) next;
2529 };
2530
2531 static QTAILQ_HEAD(, device_config) device_configs =
2532 QTAILQ_HEAD_INITIALIZER(device_configs);
2533
2534 static void add_device_config(int type, const char *cmdline)
2535 {
2536 struct device_config *conf;
2537
2538 conf = g_malloc0(sizeof(*conf));
2539 conf->type = type;
2540 conf->cmdline = cmdline;
2541 loc_save(&conf->loc);
2542 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2543 }
2544
2545 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2546 {
2547 struct device_config *conf;
2548 int rc;
2549
2550 QTAILQ_FOREACH(conf, &device_configs, next) {
2551 if (conf->type != type)
2552 continue;
2553 loc_push_restore(&conf->loc);
2554 rc = func(conf->cmdline);
2555 loc_pop(&conf->loc);
2556 if (0 != rc)
2557 return rc;
2558 }
2559 return 0;
2560 }
2561
2562 static int serial_parse(const char *devname)
2563 {
2564 static int index = 0;
2565 char label[32];
2566
2567 if (strcmp(devname, "none") == 0)
2568 return 0;
2569 if (index == MAX_SERIAL_PORTS) {
2570 fprintf(stderr, "qemu: too many serial ports\n");
2571 exit(1);
2572 }
2573 snprintf(label, sizeof(label), "serial%d", index);
2574 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2575 if (!serial_hds[index]) {
2576 fprintf(stderr, "qemu: could not connect serial device"
2577 " to character backend '%s'\n", devname);
2578 return -1;
2579 }
2580 index++;
2581 return 0;
2582 }
2583
2584 static int parallel_parse(const char *devname)
2585 {
2586 static int index = 0;
2587 char label[32];
2588
2589 if (strcmp(devname, "none") == 0)
2590 return 0;
2591 if (index == MAX_PARALLEL_PORTS) {
2592 fprintf(stderr, "qemu: too many parallel ports\n");
2593 exit(1);
2594 }
2595 snprintf(label, sizeof(label), "parallel%d", index);
2596 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2597 if (!parallel_hds[index]) {
2598 fprintf(stderr, "qemu: could not connect parallel device"
2599 " to character backend '%s'\n", devname);
2600 return -1;
2601 }
2602 index++;
2603 return 0;
2604 }
2605
2606 static int virtcon_parse(const char *devname)
2607 {
2608 QemuOptsList *device = qemu_find_opts("device");
2609 static int index = 0;
2610 char label[32];
2611 QemuOpts *bus_opts, *dev_opts;
2612
2613 if (strcmp(devname, "none") == 0)
2614 return 0;
2615 if (index == MAX_VIRTIO_CONSOLES) {
2616 fprintf(stderr, "qemu: too many virtio consoles\n");
2617 exit(1);
2618 }
2619
2620 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2621 if (arch_type == QEMU_ARCH_S390X) {
2622 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2623 } else {
2624 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2625 }
2626
2627 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2628 qemu_opt_set(dev_opts, "driver", "virtconsole");
2629
2630 snprintf(label, sizeof(label), "virtcon%d", index);
2631 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2632 if (!virtcon_hds[index]) {
2633 fprintf(stderr, "qemu: could not connect virtio console"
2634 " to character backend '%s'\n", devname);
2635 return -1;
2636 }
2637 qemu_opt_set(dev_opts, "chardev", label);
2638
2639 index++;
2640 return 0;
2641 }
2642
2643 static int sclp_parse(const char *devname)
2644 {
2645 QemuOptsList *device = qemu_find_opts("device");
2646 static int index = 0;
2647 char label[32];
2648 QemuOpts *dev_opts;
2649
2650 if (strcmp(devname, "none") == 0) {
2651 return 0;
2652 }
2653 if (index == MAX_SCLP_CONSOLES) {
2654 fprintf(stderr, "qemu: too many sclp consoles\n");
2655 exit(1);
2656 }
2657
2658 assert(arch_type == QEMU_ARCH_S390X);
2659
2660 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2661 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2662
2663 snprintf(label, sizeof(label), "sclpcon%d", index);
2664 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2665 if (!sclp_hds[index]) {
2666 fprintf(stderr, "qemu: could not connect sclp console"
2667 " to character backend '%s'\n", devname);
2668 return -1;
2669 }
2670 qemu_opt_set(dev_opts, "chardev", label);
2671
2672 index++;
2673 return 0;
2674 }
2675
2676 static int debugcon_parse(const char *devname)
2677 {
2678 QemuOpts *opts;
2679
2680 if (!qemu_chr_new("debugcon", devname, NULL)) {
2681 exit(1);
2682 }
2683 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2684 if (!opts) {
2685 fprintf(stderr, "qemu: already have a debugcon device\n");
2686 exit(1);
2687 }
2688 qemu_opt_set(opts, "driver", "isa-debugcon");
2689 qemu_opt_set(opts, "chardev", "debugcon");
2690 return 0;
2691 }
2692
2693 static MachineClass *machine_parse(const char *name)
2694 {
2695 MachineClass *mc = NULL;
2696 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2697
2698 if (name) {
2699 mc = find_machine(name);
2700 }
2701 if (mc) {
2702 return mc;
2703 }
2704 if (name && !is_help_option(name)) {
2705 error_report("Unsupported machine type");
2706 error_printf("Use -machine help to list supported machines!\n");
2707 } else {
2708 printf("Supported machines are:\n");
2709 for (el = machines; el; el = el->next) {
2710 MachineClass *mc = el->data;
2711 if (mc->alias) {
2712 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2713 }
2714 printf("%-20s %s%s\n", mc->name, mc->desc,
2715 mc->is_default ? " (default)" : "");
2716 }
2717 }
2718
2719 g_slist_free(machines);
2720 exit(!name || !is_help_option(name));
2721 }
2722
2723 static int tcg_init(MachineClass *mc)
2724 {
2725 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2726 return 0;
2727 }
2728
2729 static struct {
2730 const char *opt_name;
2731 const char *name;
2732 int (*available)(void);
2733 int (*init)(MachineClass *mc);
2734 bool *allowed;
2735 } accel_list[] = {
2736 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2737 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2738 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2739 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2740 };
2741
2742 static int configure_accelerator(MachineClass *mc)
2743 {
2744 const char *p;
2745 char buf[10];
2746 int i, ret;
2747 bool accel_initialised = false;
2748 bool init_failed = false;
2749
2750 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2751 if (p == NULL) {
2752 /* Use the default "accelerator", tcg */
2753 p = "tcg";
2754 }
2755
2756 while (!accel_initialised && *p != '\0') {
2757 if (*p == ':') {
2758 p++;
2759 }
2760 p = get_opt_name(buf, sizeof (buf), p, ':');
2761 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2762 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2763 if (!accel_list[i].available()) {
2764 printf("%s not supported for this target\n",
2765 accel_list[i].name);
2766 break;
2767 }
2768 *(accel_list[i].allowed) = true;
2769 ret = accel_list[i].init(mc);
2770 if (ret < 0) {
2771 init_failed = true;
2772 fprintf(stderr, "failed to initialize %s: %s\n",
2773 accel_list[i].name,
2774 strerror(-ret));
2775 *(accel_list[i].allowed) = false;
2776 } else {
2777 accel_initialised = true;
2778 }
2779 break;
2780 }
2781 }
2782 if (i == ARRAY_SIZE(accel_list)) {
2783 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2784 }
2785 }
2786
2787 if (!accel_initialised) {
2788 if (!init_failed) {
2789 fprintf(stderr, "No accelerator found!\n");
2790 }
2791 exit(1);
2792 }
2793
2794 if (init_failed) {
2795 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2796 }
2797
2798 return !accel_initialised;
2799 }
2800
2801 void qemu_add_exit_notifier(Notifier *notify)
2802 {
2803 notifier_list_add(&exit_notifiers, notify);
2804 }
2805
2806 void qemu_remove_exit_notifier(Notifier *notify)
2807 {
2808 notifier_remove(notify);
2809 }
2810
2811 static void qemu_run_exit_notifiers(void)
2812 {
2813 notifier_list_notify(&exit_notifiers, NULL);
2814 }
2815
2816 void qemu_add_machine_init_done_notifier(Notifier *notify)
2817 {
2818 notifier_list_add(&machine_init_done_notifiers, notify);
2819 }
2820
2821 static void qemu_run_machine_init_done_notifiers(void)
2822 {
2823 notifier_list_notify(&machine_init_done_notifiers, NULL);
2824 }
2825
2826 static const QEMUOption *lookup_opt(int argc, char **argv,
2827 const char **poptarg, int *poptind)
2828 {
2829 const QEMUOption *popt;
2830 int optind = *poptind;
2831 char *r = argv[optind];
2832 const char *optarg;
2833
2834 loc_set_cmdline(argv, optind, 1);
2835 optind++;
2836 /* Treat --foo the same as -foo. */
2837 if (r[1] == '-')
2838 r++;
2839 popt = qemu_options;
2840 for(;;) {
2841 if (!popt->name) {
2842 error_report("invalid option");
2843 exit(1);
2844 }
2845 if (!strcmp(popt->name, r + 1))
2846 break;
2847 popt++;
2848 }
2849 if (popt->flags & HAS_ARG) {
2850 if (optind >= argc) {
2851 error_report("requires an argument");
2852 exit(1);
2853 }
2854 optarg = argv[optind++];
2855 loc_set_cmdline(argv, optind - 2, 2);
2856 } else {
2857 optarg = NULL;
2858 }
2859
2860 *poptarg = optarg;
2861 *poptind = optind;
2862
2863 return popt;
2864 }
2865
2866 static gpointer malloc_and_trace(gsize n_bytes)
2867 {
2868 void *ptr = malloc(n_bytes);
2869 trace_g_malloc(n_bytes, ptr);
2870 return ptr;
2871 }
2872
2873 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2874 {
2875 void *ptr = realloc(mem, n_bytes);
2876 trace_g_realloc(mem, n_bytes, ptr);
2877 return ptr;
2878 }
2879
2880 static void free_and_trace(gpointer mem)
2881 {
2882 trace_g_free(mem);
2883 free(mem);
2884 }
2885
2886 static int object_set_property(const char *name, const char *value, void *opaque)
2887 {
2888 Object *obj = OBJECT(opaque);
2889 StringInputVisitor *siv;
2890 Error *local_err = NULL;
2891
2892 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2893 return 0;
2894 }
2895
2896 siv = string_input_visitor_new(value);
2897 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2898 string_input_visitor_cleanup(siv);
2899
2900 if (local_err) {
2901 qerror_report_err(local_err);
2902 error_free(local_err);
2903 return -1;
2904 }
2905
2906 return 0;
2907 }
2908
2909 static int object_create(QemuOpts *opts, void *opaque)
2910 {
2911 const char *type = qemu_opt_get(opts, "qom-type");
2912 const char *id = qemu_opts_id(opts);
2913 Error *local_err = NULL;
2914 Object *obj;
2915
2916 g_assert(type != NULL);
2917
2918 if (id == NULL) {
2919 qerror_report(QERR_MISSING_PARAMETER, "id");
2920 return -1;
2921 }
2922
2923 obj = object_new(type);
2924 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2925 object_unref(obj);
2926 return -1;
2927 }
2928
2929 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2930 error_setg(&local_err, "object '%s' isn't supported by -object",
2931 id);
2932 goto out;
2933 }
2934
2935 user_creatable_complete(obj, &local_err);
2936 if (local_err) {
2937 goto out;
2938 }
2939
2940 object_property_add_child(container_get(object_get_root(), "/objects"),
2941 id, obj, &local_err);
2942
2943 out:
2944 object_unref(obj);
2945 if (local_err) {
2946 qerror_report_err(local_err);
2947 error_free(local_err);
2948 return -1;
2949 }
2950 return 0;
2951 }
2952
2953 int main(int argc, char **argv, char **envp)
2954 {
2955 int i;
2956 int snapshot, linux_boot;
2957 const char *icount_option = NULL;
2958 const char *initrd_filename;
2959 const char *kernel_filename, *kernel_cmdline;
2960 const char *boot_order;
2961 DisplayState *ds;
2962 int cyls, heads, secs, translation;
2963 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2964 QemuOptsList *olist;
2965 int optind;
2966 const char *optarg;
2967 const char *loadvm = NULL;
2968 MachineClass *machine_class;
2969 const char *cpu_model;
2970 const char *vga_model = NULL;
2971 const char *qtest_chrdev = NULL;
2972 const char *qtest_log = NULL;
2973 const char *pid_file = NULL;
2974 const char *incoming = NULL;
2975 #ifdef CONFIG_VNC
2976 int show_vnc_port = 0;
2977 #endif
2978 bool defconfig = true;
2979 bool userconfig = true;
2980 const char *log_mask = NULL;
2981 const char *log_file = NULL;
2982 GMemVTable mem_trace = {
2983 .malloc = malloc_and_trace,
2984 .realloc = realloc_and_trace,
2985 .free = free_and_trace,
2986 };
2987 const char *trace_events = NULL;
2988 const char *trace_file = NULL;
2989 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2990 1024 * 1024;
2991
2992 atexit(qemu_run_exit_notifiers);
2993 error_set_progname(argv[0]);
2994 qemu_init_exec_dir(argv[0]);
2995
2996 g_mem_set_vtable(&mem_trace);
2997
2998 module_call_init(MODULE_INIT_QOM);
2999
3000 qemu_add_opts(&qemu_drive_opts);
3001 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3002 qemu_add_drive_opts(&qemu_common_drive_opts);
3003 qemu_add_drive_opts(&qemu_drive_opts);
3004 qemu_add_opts(&qemu_chardev_opts);
3005 qemu_add_opts(&qemu_device_opts);
3006 qemu_add_opts(&qemu_netdev_opts);
3007 qemu_add_opts(&qemu_net_opts);
3008 qemu_add_opts(&qemu_rtc_opts);
3009 qemu_add_opts(&qemu_global_opts);
3010 qemu_add_opts(&qemu_mon_opts);
3011 qemu_add_opts(&qemu_trace_opts);
3012 qemu_add_opts(&qemu_option_rom_opts);
3013 qemu_add_opts(&qemu_machine_opts);
3014 qemu_add_opts(&qemu_mem_opts);
3015 qemu_add_opts(&qemu_smp_opts);
3016 qemu_add_opts(&qemu_boot_opts);
3017 qemu_add_opts(&qemu_sandbox_opts);
3018 qemu_add_opts(&qemu_add_fd_opts);
3019 qemu_add_opts(&qemu_object_opts);
3020 qemu_add_opts(&qemu_tpmdev_opts);
3021 qemu_add_opts(&qemu_realtime_opts);
3022 qemu_add_opts(&qemu_msg_opts);
3023 qemu_add_opts(&qemu_name_opts);
3024
3025 runstate_init();
3026
3027 rtc_clock = QEMU_CLOCK_HOST;
3028
3029 qemu_init_auxval(envp);
3030 qemu_cache_utils_init();
3031
3032 QLIST_INIT (&vm_change_state_head);
3033 os_setup_early_signal_handling();
3034
3035 module_call_init(MODULE_INIT_MACHINE);
3036 machine_class = find_default_machine();
3037 cpu_model = NULL;
3038 ram_size = default_ram_size;
3039 snapshot = 0;
3040 cyls = heads = secs = 0;
3041 translation = BIOS_ATA_TRANSLATION_AUTO;
3042
3043 for (i = 0; i < MAX_NODES; i++) {
3044 node_mem[i] = 0;
3045 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3046 }
3047
3048 nb_numa_nodes = 0;
3049 nb_nics = 0;
3050
3051 bdrv_init_with_whitelist();
3052
3053 autostart = 1;
3054
3055 /* first pass of option parsing */
3056 optind = 1;
3057 while (optind < argc) {
3058 if (argv[optind][0] != '-') {
3059 /* disk image */
3060 optind++;
3061 } else {
3062 const QEMUOption *popt;
3063
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 switch (popt->index) {
3066 case QEMU_OPTION_nodefconfig:
3067 defconfig = false;
3068 break;
3069 case QEMU_OPTION_nouserconfig:
3070 userconfig = false;
3071 break;
3072 }
3073 }
3074 }
3075
3076 if (defconfig) {
3077 int ret;
3078 ret = qemu_read_default_config_files(userconfig);
3079 if (ret < 0) {
3080 exit(1);
3081 }
3082 }
3083
3084 /* second pass of option parsing */
3085 optind = 1;
3086 for(;;) {
3087 if (optind >= argc)
3088 break;
3089 if (argv[optind][0] != '-') {
3090 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3091 } else {
3092 const QEMUOption *popt;
3093
3094 popt = lookup_opt(argc, argv, &optarg, &optind);
3095 if (!(popt->arch_mask & arch_type)) {
3096 printf("Option %s not supported for this target\n", popt->name);
3097 exit(1);
3098 }
3099 switch(popt->index) {
3100 case QEMU_OPTION_M:
3101 machine_class = machine_parse(optarg);
3102 break;
3103 case QEMU_OPTION_no_kvm_irqchip: {
3104 olist = qemu_find_opts("machine");
3105 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3106 break;
3107 }
3108 case QEMU_OPTION_cpu:
3109 /* hw initialization will check this */
3110 cpu_model = optarg;
3111 break;
3112 case QEMU_OPTION_hda:
3113 {
3114 char buf[256];
3115 if (cyls == 0)
3116 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3117 else
3118 snprintf(buf, sizeof(buf),
3119 "%s,cyls=%d,heads=%d,secs=%d%s",
3120 HD_OPTS , cyls, heads, secs,
3121 translation == BIOS_ATA_TRANSLATION_LBA ?
3122 ",trans=lba" :
3123 translation == BIOS_ATA_TRANSLATION_NONE ?
3124 ",trans=none" : "");
3125 drive_add(IF_DEFAULT, 0, optarg, buf);
3126 break;
3127 }
3128 case QEMU_OPTION_hdb:
3129 case QEMU_OPTION_hdc:
3130 case QEMU_OPTION_hdd:
3131 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3132 HD_OPTS);
3133 break;
3134 case QEMU_OPTION_drive:
3135 if (drive_def(optarg) == NULL) {
3136 exit(1);
3137 }
3138 break;
3139 case QEMU_OPTION_set:
3140 if (qemu_set_option(optarg) != 0)
3141 exit(1);
3142 break;
3143 case QEMU_OPTION_global:
3144 if (qemu_global_option(optarg) != 0)
3145 exit(1);
3146 break;
3147 case QEMU_OPTION_mtdblock:
3148 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3149 break;
3150 case QEMU_OPTION_sd:
3151 drive_add(IF_SD, -1, optarg, SD_OPTS);
3152 break;
3153 case QEMU_OPTION_pflash:
3154 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3155 break;
3156 case QEMU_OPTION_snapshot:
3157 snapshot = 1;
3158 break;
3159 case QEMU_OPTION_hdachs:
3160 {
3161 const char *p;
3162 p = optarg;
3163 cyls = strtol(p, (char **)&p, 0);
3164 if (cyls < 1 || cyls > 16383)
3165 goto chs_fail;
3166 if (*p != ',')
3167 goto chs_fail;
3168 p++;
3169 heads = strtol(p, (char **)&p, 0);
3170 if (heads < 1 || heads > 16)
3171 goto chs_fail;
3172 if (*p != ',')
3173 goto chs_fail;
3174 p++;
3175 secs = strtol(p, (char **)&p, 0);
3176 if (secs < 1 || secs > 63)
3177 goto chs_fail;
3178 if (*p == ',') {
3179 p++;
3180 if (!strcmp(p, "large")) {
3181 translation = BIOS_ATA_TRANSLATION_LARGE;
3182 } else if (!strcmp(p, "rechs")) {
3183 translation = BIOS_ATA_TRANSLATION_RECHS;
3184 } else if (!strcmp(p, "none")) {
3185 translation = BIOS_ATA_TRANSLATION_NONE;
3186 } else if (!strcmp(p, "lba")) {
3187 translation = BIOS_ATA_TRANSLATION_LBA;
3188 } else if (!strcmp(p, "auto")) {
3189 translation = BIOS_ATA_TRANSLATION_AUTO;
3190 } else {
3191 goto chs_fail;
3192 }
3193 } else if (*p != '\0') {
3194 chs_fail:
3195 fprintf(stderr, "qemu: invalid physical CHS format\n");
3196 exit(1);
3197 }
3198 if (hda_opts != NULL) {
3199 char num[16];
3200 snprintf(num, sizeof(num), "%d", cyls);
3201 qemu_opt_set(hda_opts, "cyls", num);
3202 snprintf(num, sizeof(num), "%d", heads);
3203 qemu_opt_set(hda_opts, "heads", num);
3204 snprintf(num, sizeof(num), "%d", secs);
3205 qemu_opt_set(hda_opts, "secs", num);
3206 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3207 qemu_opt_set(hda_opts, "trans", "large");
3208 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3209 qemu_opt_set(hda_opts, "trans", "rechs");
3210 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3211 qemu_opt_set(hda_opts, "trans", "lba");
3212 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3213 qemu_opt_set(hda_opts, "trans", "none");
3214 }
3215 }
3216 }
3217 break;
3218 case QEMU_OPTION_numa:
3219 numa_add(optarg);
3220 break;
3221 case QEMU_OPTION_display:
3222 display_type = select_display(optarg);
3223 break;
3224 case QEMU_OPTION_nographic:
3225 display_type = DT_NOGRAPHIC;
3226 break;
3227 case QEMU_OPTION_curses:
3228 #ifdef CONFIG_CURSES
3229 display_type = DT_CURSES;
3230 #else
3231 fprintf(stderr, "Curses support is disabled\n");
3232 exit(1);
3233 #endif
3234 break;
3235 case QEMU_OPTION_portrait:
3236 graphic_rotate = 90;
3237 break;
3238 case QEMU_OPTION_rotate:
3239 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3240 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3241 graphic_rotate != 180 && graphic_rotate != 270) {
3242 fprintf(stderr,
3243 "qemu: only 90, 180, 270 deg rotation is available\n");
3244 exit(1);
3245 }
3246 break;
3247 case QEMU_OPTION_kernel:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3249 break;
3250 case QEMU_OPTION_initrd:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3252 break;
3253 case QEMU_OPTION_append:
3254 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3255 break;
3256 case QEMU_OPTION_dtb:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3258 break;
3259 case QEMU_OPTION_cdrom:
3260 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3261 break;
3262 case QEMU_OPTION_boot:
3263 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3264 if (!opts) {
3265 exit(1);
3266 }
3267 break;
3268 case QEMU_OPTION_fda:
3269 case QEMU_OPTION_fdb:
3270 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3271 optarg, FD_OPTS);
3272 break;
3273 case QEMU_OPTION_no_fd_bootchk:
3274 fd_bootchk = 0;
3275 break;
3276 case QEMU_OPTION_netdev:
3277 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3278 exit(1);
3279 }
3280 break;
3281 case QEMU_OPTION_net:
3282 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3283 exit(1);
3284 }
3285 break;
3286 #ifdef CONFIG_LIBISCSI
3287 case QEMU_OPTION_iscsi:
3288 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3289 if (!opts) {
3290 exit(1);
3291 }
3292 break;
3293 #endif
3294 #ifdef CONFIG_SLIRP
3295 case QEMU_OPTION_tftp:
3296 legacy_tftp_prefix = optarg;
3297 break;
3298 case QEMU_OPTION_bootp:
3299 legacy_bootp_filename = optarg;
3300 break;
3301 case QEMU_OPTION_redir:
3302 if (net_slirp_redir(optarg) < 0)
3303 exit(1);
3304 break;
3305 #endif
3306 case QEMU_OPTION_bt:
3307 add_device_config(DEV_BT, optarg);
3308 break;
3309 case QEMU_OPTION_audio_help:
3310 AUD_help ();
3311 exit (0);
3312 break;
3313 case QEMU_OPTION_soundhw:
3314 select_soundhw (optarg);
3315 break;
3316 case QEMU_OPTION_h:
3317 help(0);
3318 break;
3319 case QEMU_OPTION_version:
3320 version();
3321 exit(0);
3322 break;
3323 case QEMU_OPTION_m: {
3324 uint64_t sz;
3325 const char *mem_str;
3326
3327 opts = qemu_opts_parse(qemu_find_opts("memory"),
3328 optarg, 1);
3329 if (!opts) {
3330 exit(EXIT_FAILURE);
3331 }
3332
3333 mem_str = qemu_opt_get(opts, "size");
3334 if (!mem_str) {
3335 error_report("invalid -m option, missing 'size' option");
3336 exit(EXIT_FAILURE);
3337 }
3338 if (!*mem_str) {
3339 error_report("missing 'size' option value");
3340 exit(EXIT_FAILURE);
3341 }
3342
3343 sz = qemu_opt_get_size(opts, "size", ram_size);
3344
3345 /* Fix up legacy suffix-less format */
3346 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3347 uint64_t overflow_check = sz;
3348
3349 sz <<= 20;
3350 if ((sz >> 20) != overflow_check) {
3351 error_report("too large 'size' option value");
3352 exit(EXIT_FAILURE);
3353 }
3354 }
3355
3356 /* backward compatibility behaviour for case "-m 0" */
3357 if (sz == 0) {
3358 sz = default_ram_size;
3359 }
3360
3361 sz = QEMU_ALIGN_UP(sz, 8192);
3362 ram_size = sz;
3363 if (ram_size != sz) {
3364 error_report("ram size too large");
3365 exit(EXIT_FAILURE);
3366 }
3367 break;
3368 }
3369 #ifdef CONFIG_TPM
3370 case QEMU_OPTION_tpmdev:
3371 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3372 exit(1);
3373 }
3374 break;
3375 #endif
3376 case QEMU_OPTION_mempath:
3377 mem_path = optarg;
3378 break;
3379 case QEMU_OPTION_mem_prealloc:
3380 mem_prealloc = 1;
3381 break;
3382 case QEMU_OPTION_d:
3383 log_mask = optarg;
3384 break;
3385 case QEMU_OPTION_D:
3386 log_file = optarg;
3387 break;
3388 case QEMU_OPTION_s:
3389 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3390 break;
3391 case QEMU_OPTION_gdb:
3392 add_device_config(DEV_GDB, optarg);
3393 break;
3394 case QEMU_OPTION_L:
3395 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3396 data_dir[data_dir_idx++] = optarg;
3397 }
3398 break;
3399 case QEMU_OPTION_bios:
3400 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3401 break;
3402 case QEMU_OPTION_singlestep:
3403 singlestep = 1;
3404 break;
3405 case QEMU_OPTION_S:
3406 autostart = 0;
3407 break;
3408 case QEMU_OPTION_k:
3409 keyboard_layout = optarg;
3410 break;
3411 case QEMU_OPTION_localtime:
3412 rtc_utc = 0;
3413 break;
3414 case QEMU_OPTION_vga:
3415 vga_model = optarg;
3416 default_vga = 0;
3417 break;
3418 case QEMU_OPTION_g:
3419 {
3420 const char *p;
3421 int w, h, depth;
3422 p = optarg;
3423 w = strtol(p, (char **)&p, 10);
3424 if (w <= 0) {
3425 graphic_error:
3426 fprintf(stderr, "qemu: invalid resolution or depth\n");
3427 exit(1);
3428 }
3429 if (*p != 'x')
3430 goto graphic_error;
3431 p++;
3432 h = strtol(p, (char **)&p, 10);
3433 if (h <= 0)
3434 goto graphic_error;
3435 if (*p == 'x') {
3436 p++;
3437 depth = strtol(p, (char **)&p, 10);
3438 if (depth != 8 && depth != 15 && depth != 16 &&
3439 depth != 24 && depth != 32)
3440 goto graphic_error;
3441 } else if (*p == '\0') {
3442 depth = graphic_depth;
3443 } else {
3444 goto graphic_error;
3445 }
3446
3447 graphic_width = w;
3448 graphic_height = h;
3449 graphic_depth = depth;
3450 }
3451 break;
3452 case QEMU_OPTION_echr:
3453 {
3454 char *r;
3455 term_escape_char = strtol(optarg, &r, 0);
3456 if (r == optarg)
3457 printf("Bad argument to echr\n");
3458 break;
3459 }
3460 case QEMU_OPTION_monitor:
3461 default_monitor = 0;
3462 if (strncmp(optarg, "none", 4)) {
3463 monitor_parse(optarg, "readline");
3464 }
3465 break;
3466 case QEMU_OPTION_qmp:
3467 monitor_parse(optarg, "control");
3468 default_monitor = 0;
3469 break;
3470 case QEMU_OPTION_mon:
3471 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3472 if (!opts) {
3473 exit(1);
3474 }
3475 default_monitor = 0;
3476 break;
3477 case QEMU_OPTION_chardev:
3478 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3479 if (!opts) {
3480 exit(1);
3481 }
3482 break;
3483 case QEMU_OPTION_fsdev:
3484 olist = qemu_find_opts("fsdev");
3485 if (!olist) {
3486 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3487 exit(1);
3488 }
3489 opts = qemu_opts_parse(olist, optarg, 1);
3490 if (!opts) {
3491 exit(1);
3492 }
3493 break;
3494 case QEMU_OPTION_virtfs: {
3495 QemuOpts *fsdev;
3496 QemuOpts *device;
3497 const char *writeout, *sock_fd, *socket;
3498
3499 olist = qemu_find_opts("virtfs");
3500 if (!olist) {
3501 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3502 exit(1);
3503 }
3504 opts = qemu_opts_parse(olist, optarg, 1);
3505 if (!opts) {
3506 exit(1);
3507 }
3508
3509 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3510 qemu_opt_get(opts, "mount_tag") == NULL) {
3511 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3512 exit(1);
3513 }
3514 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3515 qemu_opt_get(opts, "mount_tag"),
3516 1, NULL);
3517 if (!fsdev) {
3518 fprintf(stderr, "duplicate fsdev id: %s\n",
3519 qemu_opt_get(opts, "mount_tag"));
3520 exit(1);
3521 }
3522
3523 writeout = qemu_opt_get(opts, "writeout");
3524 if (writeout) {
3525 #ifdef CONFIG_SYNC_FILE_RANGE
3526 qemu_opt_set(fsdev, "writeout", writeout);
3527 #else
3528 fprintf(stderr, "writeout=immediate not supported on "
3529 "this platform\n");
3530 exit(1);
3531 #endif
3532 }
3533 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3534 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3535 qemu_opt_set(fsdev, "security_model",
3536 qemu_opt_get(opts, "security_model"));
3537 socket = qemu_opt_get(opts, "socket");
3538 if (socket) {
3539 qemu_opt_set(fsdev, "socket", socket);
3540 }
3541 sock_fd = qemu_opt_get(opts, "sock_fd");
3542 if (sock_fd) {
3543 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3544 }
3545
3546 qemu_opt_set_bool(fsdev, "readonly",
3547 qemu_opt_get_bool(opts, "readonly", 0));
3548 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3549 &error_abort);
3550 qemu_opt_set(device, "driver", "virtio-9p-pci");
3551 qemu_opt_set(device, "fsdev",
3552 qemu_opt_get(opts, "mount_tag"));
3553 qemu_opt_set(device, "mount_tag",
3554 qemu_opt_get(opts, "mount_tag"));
3555 break;
3556 }
3557 case QEMU_OPTION_virtfs_synth: {
3558 QemuOpts *fsdev;
3559 QemuOpts *device;
3560
3561 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3562 1, NULL);
3563 if (!fsdev) {
3564 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3565 exit(1);
3566 }
3567 qemu_opt_set(fsdev, "fsdriver", "synth");
3568
3569 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3570 &error_abort);
3571 qemu_opt_set(device, "driver", "virtio-9p-pci");
3572 qemu_opt_set(device, "fsdev", "v_synth");
3573 qemu_opt_set(device, "mount_tag", "v_synth");
3574 break;
3575 }
3576 case QEMU_OPTION_serial:
3577 add_device_config(DEV_SERIAL, optarg);
3578 default_serial = 0;
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3581 }
3582 break;
3583 case QEMU_OPTION_watchdog:
3584 if (watchdog) {
3585 fprintf(stderr,
3586 "qemu: only one watchdog option may be given\n");
3587 return 1;
3588 }
3589 watchdog = optarg;
3590 break;
3591 case QEMU_OPTION_watchdog_action:
3592 if (select_watchdog_action(optarg) == -1) {
3593 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3594 exit(1);
3595 }
3596 break;
3597 case QEMU_OPTION_virtiocon:
3598 add_device_config(DEV_VIRTCON, optarg);
3599 default_virtcon = 0;
3600 if (strncmp(optarg, "mon:", 4) == 0) {
3601 default_monitor = 0;
3602 }
3603 break;
3604 case QEMU_OPTION_parallel:
3605 add_device_config(DEV_PARALLEL, optarg);
3606 default_parallel = 0;
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_debugcon:
3612 add_device_config(DEV_DEBUGCON, optarg);
3613 break;
3614 case QEMU_OPTION_loadvm:
3615 loadvm = optarg;
3616 break;
3617 case QEMU_OPTION_full_screen:
3618 full_screen = 1;
3619 break;
3620 case QEMU_OPTION_no_frame:
3621 no_frame = 1;
3622 break;
3623 case QEMU_OPTION_alt_grab:
3624 alt_grab = 1;
3625 break;
3626 case QEMU_OPTION_ctrl_grab:
3627 ctrl_grab = 1;
3628 break;
3629 case QEMU_OPTION_no_quit:
3630 no_quit = 1;
3631 break;
3632 case QEMU_OPTION_sdl:
3633 #ifdef CONFIG_SDL
3634 display_type = DT_SDL;
3635 break;
3636 #else
3637 fprintf(stderr, "SDL support is disabled\n");
3638 exit(1);
3639 #endif
3640 case QEMU_OPTION_pidfile:
3641 pid_file = optarg;
3642 break;
3643 case QEMU_OPTION_win2k_hack:
3644 win2k_install_hack = 1;
3645 break;
3646 case QEMU_OPTION_rtc_td_hack: {
3647 static GlobalProperty slew_lost_ticks[] = {
3648 {
3649 .driver = "mc146818rtc",
3650 .property = "lost_tick_policy",
3651 .value = "slew",
3652 },
3653 { /* end of list */ }
3654 };
3655
3656 qdev_prop_register_global_list(slew_lost_ticks);
3657 break;
3658 }
3659 case QEMU_OPTION_acpitable:
3660 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3661 if (!opts) {
3662 exit(1);
3663 }
3664 do_acpitable_option(opts);
3665 break;
3666 case QEMU_OPTION_smbios:
3667 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3668 if (!opts) {
3669 exit(1);
3670 }
3671 do_smbios_option(opts);
3672 break;
3673 case QEMU_OPTION_enable_kvm:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse(olist, "accel=kvm", 0);
3676 break;
3677 case QEMU_OPTION_machine:
3678 olist = qemu_find_opts("machine");
3679 opts = qemu_opts_parse(olist, optarg, 1);
3680 if (!opts) {
3681 exit(1);
3682 }
3683 optarg = qemu_opt_get(opts, "type");
3684 if (optarg) {
3685 machine_class = machine_parse(optarg);
3686 }
3687 break;
3688 case QEMU_OPTION_no_kvm:
3689 olist = qemu_find_opts("machine");
3690 qemu_opts_parse(olist, "accel=tcg", 0);
3691 break;
3692 case QEMU_OPTION_no_kvm_pit: {
3693 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3694 "separately.\n");
3695 break;
3696 }
3697 case QEMU_OPTION_no_kvm_pit_reinjection: {
3698 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3699 {
3700 .driver = "kvm-pit",
3701 .property = "lost_tick_policy",
3702 .value = "discard",
3703 },
3704 { /* end of list */ }
3705 };
3706
3707 fprintf(stderr, "Warning: option deprecated, use "
3708 "lost_tick_policy property of kvm-pit instead.\n");
3709 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3710 break;
3711 }
3712 case QEMU_OPTION_usb:
3713 olist = qemu_find_opts("machine");
3714 qemu_opts_parse(olist, "usb=on", 0);
3715 break;
3716 case QEMU_OPTION_usbdevice:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse(olist, "usb=on", 0);
3719 add_device_config(DEV_USB, optarg);
3720 break;
3721 case QEMU_OPTION_device:
3722 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_smp:
3727 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3728 exit(1);
3729 }
3730 break;
3731 case QEMU_OPTION_vnc:
3732 #ifdef CONFIG_VNC
3733 display_remote++;
3734 vnc_display = optarg;
3735 #else
3736 fprintf(stderr, "VNC support is disabled\n");
3737 exit(1);
3738 #endif
3739 break;
3740 case QEMU_OPTION_no_acpi:
3741 acpi_enabled = 0;
3742 break;
3743 case QEMU_OPTION_no_hpet:
3744 no_hpet = 1;
3745 break;
3746 case QEMU_OPTION_balloon:
3747 if (balloon_parse(optarg) < 0) {
3748 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3749 exit(1);
3750 }
3751 break;
3752 case QEMU_OPTION_no_reboot:
3753 no_reboot = 1;
3754 break;
3755 case QEMU_OPTION_no_shutdown:
3756 no_shutdown = 1;
3757 break;
3758 case QEMU_OPTION_show_cursor:
3759 cursor_hide = 0;
3760 break;
3761 case QEMU_OPTION_uuid:
3762 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3763 fprintf(stderr, "Fail to parse UUID string."
3764 " Wrong format.\n");
3765 exit(1);
3766 }
3767 qemu_uuid_set = true;
3768 break;
3769 case QEMU_OPTION_option_rom:
3770 if (nb_option_roms >= MAX_OPTION_ROMS) {
3771 fprintf(stderr, "Too many option ROMs\n");
3772 exit(1);
3773 }
3774 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3779 option_rom[nb_option_roms].bootindex =
3780 qemu_opt_get_number(opts, "bootindex", -1);
3781 if (!option_rom[nb_option_roms].name) {
3782 fprintf(stderr, "Option ROM file is not specified\n");
3783 exit(1);
3784 }
3785 nb_option_roms++;
3786 break;
3787 case QEMU_OPTION_semihosting:
3788 semihosting_enabled = 1;
3789 break;
3790 case QEMU_OPTION_tdf:
3791 fprintf(stderr, "Warning: user space PIT time drift fix "
3792 "is no longer supported.\n");
3793 break;
3794 case QEMU_OPTION_name:
3795 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3796 if (!opts) {
3797 exit(1);
3798 }
3799 parse_name(opts);
3800 break;
3801 case QEMU_OPTION_prom_env:
3802 if (nb_prom_envs >= MAX_PROM_ENVS) {
3803 fprintf(stderr, "Too many prom variables\n");
3804 exit(1);
3805 }
3806 prom_envs[nb_prom_envs] = optarg;
3807 nb_prom_envs++;
3808 break;
3809 case QEMU_OPTION_old_param:
3810 old_param = 1;
3811 break;
3812 case QEMU_OPTION_clock:
3813 /* Clock options no longer exist. Keep this option for
3814 * backward compatibility.
3815 */
3816 break;
3817 case QEMU_OPTION_startdate:
3818 configure_rtc_date_offset(optarg, 1);
3819 break;
3820 case QEMU_OPTION_rtc:
3821 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3822 if (!opts) {
3823 exit(1);
3824 }
3825 configure_rtc(opts);
3826 break;
3827 case QEMU_OPTION_tb_size:
3828 tcg_tb_size = strtol(optarg, NULL, 0);
3829 if (tcg_tb_size < 0) {
3830 tcg_tb_size = 0;
3831 }
3832 break;
3833 case QEMU_OPTION_icount:
3834 icount_option = optarg;
3835 break;
3836 case QEMU_OPTION_incoming:
3837 incoming = optarg;
3838 runstate_set(RUN_STATE_INMIGRATE);
3839 break;
3840 case QEMU_OPTION_nodefaults:
3841 has_defaults = 0;
3842 break;
3843 case QEMU_OPTION_xen_domid:
3844 if (!(xen_available())) {
3845 printf("Option %s not supported for this target\n", popt->name);
3846 exit(1);
3847 }
3848 xen_domid = atoi(optarg);
3849 break;
3850 case QEMU_OPTION_xen_create:
3851 if (!(xen_available())) {
3852 printf("Option %s not supported for this target\n", popt->name);
3853 exit(1);
3854 }
3855 xen_mode = XEN_CREATE;
3856 break;
3857 case QEMU_OPTION_xen_attach:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt->name);
3860 exit(1);
3861 }
3862 xen_mode = XEN_ATTACH;
3863 break;
3864 case QEMU_OPTION_trace:
3865 {
3866 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3867 if (!opts) {
3868 exit(1);
3869 }
3870 trace_events = qemu_opt_get(opts, "events");
3871 trace_file = qemu_opt_get(opts, "file");
3872 break;
3873 }
3874 case QEMU_OPTION_readconfig:
3875 {
3876 int ret = qemu_read_config_file(optarg);
3877 if (ret < 0) {
3878 fprintf(stderr, "read config %s: %s\n", optarg,
3879 strerror(-ret));
3880 exit(1);
3881 }
3882 break;
3883 }
3884 case QEMU_OPTION_spice:
3885 olist = qemu_find_opts("spice");
3886 if (!olist) {
3887 fprintf(stderr, "spice is not supported by this qemu build.\n");
3888 exit(1);
3889 }
3890 opts = qemu_opts_parse(olist, optarg, 0);
3891 if (!opts) {
3892 exit(1);
3893 }
3894 display_remote++;
3895 break;
3896 case QEMU_OPTION_writeconfig:
3897 {
3898 FILE *fp;
3899 if (strcmp(optarg, "-") == 0) {
3900 fp = stdout;
3901 } else {
3902 fp = fopen(optarg, "w");
3903 if (fp == NULL) {
3904 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3905 exit(1);
3906 }
3907 }
3908 qemu_config_write(fp);
3909 if (fp != stdout) {
3910 fclose(fp);
3911 }
3912 break;
3913 }
3914 case QEMU_OPTION_qtest:
3915 qtest_chrdev = optarg;
3916 break;
3917 case QEMU_OPTION_qtest_log:
3918 qtest_log = optarg;
3919 break;
3920 case QEMU_OPTION_sandbox:
3921 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3922 if (!opts) {
3923 exit(1);
3924 }
3925 break;
3926 case QEMU_OPTION_add_fd:
3927 #ifndef _WIN32
3928 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 #else
3933 error_report("File descriptor passing is disabled on this "
3934 "platform");
3935 exit(1);
3936 #endif
3937 break;
3938 case QEMU_OPTION_object:
3939 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3940 if (!opts) {
3941 exit(1);
3942 }
3943 break;
3944 case QEMU_OPTION_realtime:
3945 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 configure_realtime(opts);
3950 break;
3951 case QEMU_OPTION_msg:
3952 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3953 if (!opts) {
3954 exit(1);
3955 }
3956 configure_msg(opts);
3957 break;
3958 default:
3959 os_parse_cmd_args(popt->index, optarg);
3960 }
3961 }
3962 }
3963 loc_set_none();
3964
3965 if (qemu_init_main_loop()) {
3966 fprintf(stderr, "qemu_init_main_loop failed\n");
3967 exit(1);
3968 }
3969
3970 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3971 exit(1);
3972 }
3973
3974 #ifndef _WIN32
3975 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3976 exit(1);
3977 }
3978
3979 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3980 exit(1);
3981 }
3982 #endif
3983
3984 if (machine_class == NULL) {
3985 fprintf(stderr, "No machine specified, and there is no default.\n"
3986 "Use -machine help to list supported machines!\n");
3987 exit(1);
3988 }
3989
3990 current_machine = MACHINE(object_new(object_class_get_name(
3991 OBJECT_CLASS(machine_class))));
3992 object_property_add_child(object_get_root(), "machine",
3993 OBJECT(current_machine), &error_abort);
3994
3995 if (machine_class->hw_version) {
3996 qemu_set_version(machine_class->hw_version);
3997 }
3998
3999 if (qemu_opts_foreach(qemu_find_opts("object"),
4000 object_create, NULL, 0) != 0) {
4001 exit(1);
4002 }
4003
4004 /* Init CPU def lists, based on config
4005 * - Must be called after all the qemu_read_config_file() calls
4006 * - Must be called before list_cpus()
4007 * - Must be called before machine->init()
4008 */
4009 cpudef_init();
4010
4011 if (cpu_model && is_help_option(cpu_model)) {
4012 list_cpus(stdout, &fprintf, cpu_model);
4013 exit(0);
4014 }
4015
4016 /* Open the logfile at this point, if necessary. We can't open the logfile
4017 * when encountering either of the logging options (-d or -D) because the
4018 * other one may be encountered later on the command line, changing the
4019 * location or level of logging.
4020 */
4021 if (log_mask) {
4022 int mask;
4023 if (log_file) {
4024 qemu_set_log_filename(log_file);
4025 }
4026
4027 mask = qemu_str_to_log_mask(log_mask);
4028 if (!mask) {
4029 qemu_print_log_usage(stdout);
4030 exit(1);
4031 }
4032 qemu_set_log(mask);
4033 }
4034
4035 if (!is_daemonized()) {
4036 if (!trace_backend_init(trace_events, trace_file)) {
4037 exit(1);
4038 }
4039 }
4040
4041 /* If no data_dir is specified then try to find it relative to the
4042 executable path. */
4043 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4044 data_dir[data_dir_idx] = os_find_datadir();
4045 if (data_dir[data_dir_idx] != NULL) {
4046 data_dir_idx++;
4047 }
4048 }
4049 /* If all else fails use the install path specified when building. */
4050 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4051 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4052 }
4053
4054 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4055
4056 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4057 if (smp_cpus > machine_class->max_cpus) {
4058 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4059 "supported by machine `%s' (%d)\n", smp_cpus,
4060 machine_class->name, machine_class->max_cpus);
4061 exit(1);
4062 }
4063
4064 /*
4065 * Get the default machine options from the machine if it is not already
4066 * specified either by the configuration file or by the command line.
4067 */
4068 if (machine_class->default_machine_opts) {
4069 qemu_opts_set_defaults(qemu_find_opts("machine"),
4070 machine_class->default_machine_opts, 0);
4071 }
4072
4073 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4074 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4075
4076 if (!vga_model && !default_vga) {
4077 vga_interface_type = VGA_DEVICE;
4078 }
4079 if (!has_defaults || machine_class->no_serial) {
4080 default_serial = 0;
4081 }
4082 if (!has_defaults || machine_class->no_parallel) {
4083 default_parallel = 0;
4084 }
4085 if (!has_defaults || !machine_class->use_virtcon) {
4086 default_virtcon = 0;
4087 }
4088 if (!has_defaults || !machine_class->use_sclp) {
4089 default_sclp = 0;
4090 }
4091 if (!has_defaults || machine_class->no_floppy) {
4092 default_floppy = 0;
4093 }
4094 if (!has_defaults || machine_class->no_cdrom) {
4095 default_cdrom = 0;
4096 }
4097 if (!has_defaults || machine_class->no_sdcard) {
4098 default_sdcard = 0;
4099 }
4100 if (!has_defaults) {
4101 default_monitor = 0;
4102 default_net = 0;
4103 default_vga = 0;
4104 }
4105
4106 if (is_daemonized()) {
4107 /* According to documentation and historically, -nographic redirects
4108 * serial port, parallel port and monitor to stdio, which does not work
4109 * with -daemonize. We can redirect these to null instead, but since
4110 * -nographic is legacy, let's just error out.
4111 * We disallow -nographic only if all other ports are not redirected
4112 * explicitly, to not break existing legacy setups which uses
4113 * -nographic _and_ redirects all ports explicitly - this is valid
4114 * usage, -nographic is just a no-op in this case.
4115 */
4116 if (display_type == DT_NOGRAPHIC
4117 && (default_parallel || default_serial
4118 || default_monitor || default_virtcon)) {
4119 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4120 exit(1);
4121 }
4122 #ifdef CONFIG_CURSES
4123 if (display_type == DT_CURSES) {
4124 fprintf(stderr, "curses display can not be used with -daemonize\n");
4125 exit(1);
4126 }
4127 #endif
4128 }
4129
4130 if (display_type == DT_NOGRAPHIC) {
4131 if (default_parallel)
4132 add_device_config(DEV_PARALLEL, "null");
4133 if (default_serial && default_monitor) {
4134 add_device_config(DEV_SERIAL, "mon:stdio");
4135 } else if (default_virtcon && default_monitor) {
4136 add_device_config(DEV_VIRTCON, "mon:stdio");
4137 } else if (default_sclp && default_monitor) {
4138 add_device_config(DEV_SCLP, "mon:stdio");
4139 } else {
4140 if (default_serial)
4141 add_device_config(DEV_SERIAL, "stdio");
4142 if (default_virtcon)
4143 add_device_config(DEV_VIRTCON, "stdio");
4144 if (default_sclp) {
4145 add_device_config(DEV_SCLP, "stdio");
4146 }
4147 if (default_monitor)
4148 monitor_parse("stdio", "readline");
4149 }
4150 } else {
4151 if (default_serial)
4152 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4153 if (default_parallel)
4154 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4155 if (default_monitor)
4156 monitor_parse("vc:80Cx24C", "readline");
4157 if (default_virtcon)
4158 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4159 if (default_sclp) {
4160 add_device_config(DEV_SCLP, "vc:80Cx24C");
4161 }
4162 }
4163
4164 if (display_type == DT_DEFAULT && !display_remote) {
4165 #if defined(CONFIG_GTK)
4166 display_type = DT_GTK;
4167 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4168 display_type = DT_SDL;
4169 #elif defined(CONFIG_VNC)
4170 vnc_display = "localhost:0,to=99";
4171 show_vnc_port = 1;
4172 #else
4173 display_type = DT_NONE;
4174 #endif
4175 }
4176
4177 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4178 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4179 "for SDL, ignoring option\n");
4180 }
4181 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4182 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4183 "ignoring option\n");
4184 }
4185
4186 #if defined(CONFIG_GTK)
4187 if (display_type == DT_GTK) {
4188 early_gtk_display_init();
4189 }
4190 #endif
4191
4192 socket_init();
4193
4194 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4195 exit(1);
4196 #ifdef CONFIG_VIRTFS
4197 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4198 exit(1);
4199 }
4200 #endif
4201
4202 os_daemonize();
4203
4204 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4205 os_pidfile_error();
4206 exit(1);
4207 }
4208
4209 /* store value for the future use */
4210 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4211
4212 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4213 != 0) {
4214 exit(0);
4215 }
4216
4217 configure_accelerator(machine_class);
4218
4219 if (qtest_chrdev) {
4220 Error *local_err = NULL;
4221 qtest_init(qtest_chrdev, qtest_log, &local_err);
4222 if (local_err) {
4223 error_report("%s", error_get_pretty(local_err));
4224 error_free(local_err);
4225 exit(1);
4226 }
4227 }
4228
4229 machine_opts = qemu_get_machine_opts();
4230 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4231 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4232 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4233 bios_name = qemu_opt_get(machine_opts, "firmware");
4234
4235 boot_order = machine_class->default_boot_order;
4236 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4237 if (opts) {
4238 char *normal_boot_order;
4239 const char *order, *once;
4240
4241 order = qemu_opt_get(opts, "order");
4242 if (order) {
4243 validate_bootdevices(order);
4244 boot_order = order;
4245 }
4246
4247 once = qemu_opt_get(opts, "once");
4248 if (once) {
4249 validate_bootdevices(once);
4250 normal_boot_order = g_strdup(boot_order);
4251 boot_order = once;
4252 qemu_register_reset(restore_boot_order, normal_boot_order);
4253 }
4254
4255 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4256 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4257 }
4258
4259 if (!kernel_cmdline) {
4260 kernel_cmdline = "";
4261 }
4262
4263 linux_boot = (kernel_filename != NULL);
4264
4265 if (!linux_boot && *kernel_cmdline != '\0') {
4266 fprintf(stderr, "-append only allowed with -kernel option\n");
4267 exit(1);
4268 }
4269
4270 if (!linux_boot && initrd_filename != NULL) {
4271 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4272 exit(1);
4273 }
4274
4275 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4276 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4277 exit(1);
4278 }
4279
4280 os_set_line_buffering();
4281
4282 qemu_init_cpu_loop();
4283 qemu_mutex_lock_iothread();
4284
4285 #ifdef CONFIG_SPICE
4286 /* spice needs the timers to be initialized by this point */
4287 qemu_spice_init();
4288 #endif
4289
4290 if (icount_option && (kvm_enabled() || xen_enabled())) {
4291 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4292 exit(1);
4293 }
4294 configure_icount(icount_option);
4295
4296 /* clean up network at qemu process termination */
4297 atexit(&net_cleanup);
4298
4299 if (net_init_clients() < 0) {
4300 exit(1);
4301 }
4302
4303 #ifdef CONFIG_TPM
4304 if (tpm_init() < 0) {
4305 exit(1);
4306 }
4307 #endif
4308
4309 /* init the bluetooth world */
4310 if (foreach_device_config(DEV_BT, bt_parse))
4311 exit(1);
4312
4313 if (!xen_enabled()) {
4314 /* On 32-bit hosts, QEMU is limited by virtual address space */
4315 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4316 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4317 exit(1);
4318 }
4319 }
4320
4321 cpu_exec_init_all();
4322
4323 blk_mig_init();
4324 ram_mig_init();
4325
4326 /* open the virtual block devices */
4327 if (snapshot)
4328 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4329 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4330 &machine_class->block_default_type, 1) != 0) {
4331 exit(1);
4332 }
4333
4334 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4335 CDROM_OPTS);
4336 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4337 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4338
4339 if (nb_numa_nodes > 0) {
4340 int i;
4341
4342 if (nb_numa_nodes > MAX_NODES) {
4343 nb_numa_nodes = MAX_NODES;
4344 }
4345
4346 /* If no memory size if given for any node, assume the default case
4347 * and distribute the available memory equally across all nodes
4348 */
4349 for (i = 0; i < nb_numa_nodes; i++) {
4350 if (node_mem[i] != 0)
4351 break;
4352 }
4353 if (i == nb_numa_nodes) {
4354 uint64_t usedmem = 0;
4355
4356 /* On Linux, the each node's border has to be 8MB aligned,
4357 * the final node gets the rest.
4358 */
4359 for (i = 0; i < nb_numa_nodes - 1; i++) {
4360 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4361 usedmem += node_mem[i];
4362 }
4363 node_mem[i] = ram_size - usedmem;
4364 }
4365
4366 for (i = 0; i < nb_numa_nodes; i++) {
4367 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4368 break;
4369 }
4370 }
4371 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4372 * must cope with this anyway, because there are BIOSes out there in
4373 * real machines which also use this scheme.
4374 */
4375 if (i == nb_numa_nodes) {
4376 for (i = 0; i < max_cpus; i++) {
4377 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4378 }
4379 }
4380 }
4381
4382 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4383 exit(1);
4384 }
4385
4386 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4387 exit(1);
4388 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4389 exit(1);
4390 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4391 exit(1);
4392 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4393 exit(1);
4394 }
4395 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4396 exit(1);
4397
4398 /* If no default VGA is requested, the default is "none". */
4399 if (default_vga) {
4400 if (cirrus_vga_available()) {
4401 vga_model = "cirrus";
4402 } else if (vga_available()) {
4403 vga_model = "std";
4404 }
4405 }
4406 if (vga_model) {
4407 select_vgahw(vga_model);
4408 }
4409
4410 if (watchdog) {
4411 i = select_watchdog(watchdog);
4412 if (i > 0)
4413 exit (i == 1 ? 1 : 0);
4414 }
4415
4416 if (machine_class->compat_props) {
4417 qdev_prop_register_global_list(machine_class->compat_props);
4418 }
4419 qemu_add_globals();
4420
4421 qdev_machine_init();
4422
4423 current_machine->init_args = (QEMUMachineInitArgs) {
4424 .machine = machine_class,
4425 .ram_size = ram_size,
4426 .boot_order = boot_order,
4427 .kernel_filename = kernel_filename,
4428 .kernel_cmdline = kernel_cmdline,
4429 .initrd_filename = initrd_filename,
4430 .cpu_model = cpu_model };
4431
4432 machine_class->init(&current_machine->init_args);
4433
4434 audio_init();
4435
4436 cpu_synchronize_all_post_init();
4437
4438 set_numa_modes();
4439
4440 /* init USB devices */
4441 if (usb_enabled(false)) {
4442 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4443 exit(1);
4444 }
4445
4446 /* init generic devices */
4447 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4448 exit(1);
4449
4450 net_check_clients();
4451
4452 ds = init_displaystate();
4453
4454 /* init local displays */
4455 switch (display_type) {
4456 case DT_NOGRAPHIC:
4457 (void)ds; /* avoid warning if no display is configured */
4458 break;
4459 #if defined(CONFIG_CURSES)
4460 case DT_CURSES:
4461 curses_display_init(ds, full_screen);
4462 break;
4463 #endif
4464 #if defined(CONFIG_SDL)
4465 case DT_SDL:
4466 sdl_display_init(ds, full_screen, no_frame);
4467 break;
4468 #elif defined(CONFIG_COCOA)
4469 case DT_SDL:
4470 cocoa_display_init(ds, full_screen);
4471 break;
4472 #endif
4473 #if defined(CONFIG_GTK)
4474 case DT_GTK:
4475 gtk_display_init(ds, full_screen, grab_on_hover);
4476 break;
4477 #endif
4478 default:
4479 break;
4480 }
4481
4482 /* must be after terminal init, SDL library changes signal handlers */
4483 os_setup_signal_handling();
4484
4485 #ifdef CONFIG_VNC
4486 /* init remote displays */
4487 if (vnc_display) {
4488 Error *local_err = NULL;
4489 vnc_display_init(ds);
4490 vnc_display_open(ds, vnc_display, &local_err);
4491 if (local_err != NULL) {
4492 error_report("Failed to start VNC server on `%s': %s",
4493 vnc_display, error_get_pretty(local_err));
4494 error_free(local_err);
4495 exit(1);
4496 }
4497
4498 if (show_vnc_port) {
4499 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4500 }
4501 }
4502 #endif
4503 #ifdef CONFIG_SPICE
4504 if (using_spice) {
4505 qemu_spice_display_init();
4506 }
4507 #endif
4508
4509 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4510 exit(1);
4511 }
4512
4513 qdev_machine_creation_done();
4514
4515 if (rom_load_all() != 0) {
4516 fprintf(stderr, "rom loading failed\n");
4517 exit(1);
4518 }
4519
4520 /* TODO: once all bus devices are qdevified, this should be done
4521 * when bus is created by qdev.c */
4522 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4523 qemu_run_machine_init_done_notifiers();
4524
4525 /* Done notifiers can load ROMs */
4526 rom_load_done();
4527
4528 qemu_system_reset(VMRESET_SILENT);
4529 if (loadvm) {
4530 if (load_vmstate(loadvm) < 0) {
4531 autostart = 0;
4532 }
4533 }
4534
4535 if (incoming) {
4536 Error *local_err = NULL;
4537 qemu_start_incoming_migration(incoming, &local_err);
4538 if (local_err) {
4539 error_report("-incoming %s: %s", incoming,
4540 error_get_pretty(local_err));
4541 error_free(local_err);
4542 exit(1);
4543 }
4544 } else if (autostart) {
4545 vm_start();
4546 }
4547
4548 os_setup_post();
4549
4550 if (is_daemonized()) {
4551 if (!trace_backend_init(trace_events, trace_file)) {
4552 exit(1);
4553 }
4554 }
4555
4556 main_loop();
4557 bdrv_close_all();
4558 pause_all_vcpus();
4559 res_free();
4560 #ifdef CONFIG_TPM
4561 tpm_cleanup();
4562 #endif
4563
4564 return 0;
4565 }
QEMU modified to work with kvm