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Merge remote-tracking branch 'remotes/kraxel/tags/pull-audio-20140930-1' into staging
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 static bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188 typedef struct FWBootEntry FWBootEntry;
189
190 struct FWBootEntry {
191 QTAILQ_ENTRY(FWBootEntry) link;
192 int32_t bootindex;
193 DeviceState *dev;
194 char *suffix;
195 };
196
197 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
198 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
199
200 int nb_numa_nodes;
201 int max_numa_nodeid;
202 NodeInfo numa_info[MAX_NODES];
203
204 uint8_t qemu_uuid[16];
205 bool qemu_uuid_set;
206
207 static QEMUBootSetHandler *boot_set_handler;
208 static void *boot_set_opaque;
209
210 static NotifierList exit_notifiers =
211 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
212
213 static NotifierList machine_init_done_notifiers =
214 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
215
216 static bool tcg_allowed = true;
217 bool xen_allowed;
218 uint32_t xen_domid;
219 enum xen_mode xen_mode = XEN_EMULATE;
220 static int tcg_tb_size;
221
222 static int has_defaults = 1;
223 static int default_serial = 1;
224 static int default_parallel = 1;
225 static int default_virtcon = 1;
226 static int default_sclp = 1;
227 static int default_monitor = 1;
228 static int default_floppy = 1;
229 static int default_cdrom = 1;
230 static int default_sdcard = 1;
231 static int default_vga = 1;
232
233 static struct {
234 const char *driver;
235 int *flag;
236 } default_list[] = {
237 { .driver = "isa-serial", .flag = &default_serial },
238 { .driver = "isa-parallel", .flag = &default_parallel },
239 { .driver = "isa-fdc", .flag = &default_floppy },
240 { .driver = "ide-cd", .flag = &default_cdrom },
241 { .driver = "ide-hd", .flag = &default_cdrom },
242 { .driver = "ide-drive", .flag = &default_cdrom },
243 { .driver = "scsi-cd", .flag = &default_cdrom },
244 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
245 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
246 { .driver = "virtio-serial", .flag = &default_virtcon },
247 { .driver = "VGA", .flag = &default_vga },
248 { .driver = "isa-vga", .flag = &default_vga },
249 { .driver = "cirrus-vga", .flag = &default_vga },
250 { .driver = "isa-cirrus-vga", .flag = &default_vga },
251 { .driver = "vmware-svga", .flag = &default_vga },
252 { .driver = "qxl-vga", .flag = &default_vga },
253 };
254
255 static QemuOptsList qemu_rtc_opts = {
256 .name = "rtc",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
258 .desc = {
259 {
260 .name = "base",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "clock",
264 .type = QEMU_OPT_STRING,
265 },{
266 .name = "driftfix",
267 .type = QEMU_OPT_STRING,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_sandbox_opts = {
274 .name = "sandbox",
275 .implied_opt_name = "enable",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
277 .desc = {
278 {
279 .name = "enable",
280 .type = QEMU_OPT_BOOL,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_trace_opts = {
287 .name = "trace",
288 .implied_opt_name = "trace",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
290 .desc = {
291 {
292 .name = "events",
293 .type = QEMU_OPT_STRING,
294 },{
295 .name = "file",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_option_rom_opts = {
303 .name = "option-rom",
304 .implied_opt_name = "romfile",
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
306 .desc = {
307 {
308 .name = "bootindex",
309 .type = QEMU_OPT_NUMBER,
310 }, {
311 .name = "romfile",
312 .type = QEMU_OPT_STRING,
313 },
314 { /* end of list */ }
315 },
316 };
317
318 static QemuOptsList qemu_machine_opts = {
319 .name = "machine",
320 .implied_opt_name = "type",
321 .merge_lists = true,
322 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
323 .desc = {
324 {
325 .name = "type",
326 .type = QEMU_OPT_STRING,
327 .help = "emulated machine"
328 }, {
329 .name = "accel",
330 .type = QEMU_OPT_STRING,
331 .help = "accelerator list",
332 }, {
333 .name = "kernel_irqchip",
334 .type = QEMU_OPT_BOOL,
335 .help = "use KVM in-kernel irqchip",
336 }, {
337 .name = "kvm_shadow_mem",
338 .type = QEMU_OPT_SIZE,
339 .help = "KVM shadow MMU size",
340 }, {
341 .name = "kernel",
342 .type = QEMU_OPT_STRING,
343 .help = "Linux kernel image file",
344 }, {
345 .name = "initrd",
346 .type = QEMU_OPT_STRING,
347 .help = "Linux initial ramdisk file",
348 }, {
349 .name = "append",
350 .type = QEMU_OPT_STRING,
351 .help = "Linux kernel command line",
352 }, {
353 .name = "dtb",
354 .type = QEMU_OPT_STRING,
355 .help = "Linux kernel device tree file",
356 }, {
357 .name = "dumpdtb",
358 .type = QEMU_OPT_STRING,
359 .help = "Dump current dtb to a file and quit",
360 }, {
361 .name = "phandle_start",
362 .type = QEMU_OPT_NUMBER,
363 .help = "The first phandle ID we may generate dynamically",
364 }, {
365 .name = "dt_compatible",
366 .type = QEMU_OPT_STRING,
367 .help = "Overrides the \"compatible\" property of the dt root node",
368 }, {
369 .name = "dump-guest-core",
370 .type = QEMU_OPT_BOOL,
371 .help = "Include guest memory in a core dump",
372 }, {
373 .name = "mem-merge",
374 .type = QEMU_OPT_BOOL,
375 .help = "enable/disable memory merge support",
376 },{
377 .name = "usb",
378 .type = QEMU_OPT_BOOL,
379 .help = "Set on/off to enable/disable usb",
380 },{
381 .name = "firmware",
382 .type = QEMU_OPT_STRING,
383 .help = "firmware image",
384 },{
385 .name = "kvm-type",
386 .type = QEMU_OPT_STRING,
387 .help = "Specifies the KVM virtualization mode (HV, PR)",
388 },{
389 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
390 .type = QEMU_OPT_SIZE,
391 .help = "maximum ram below the 4G boundary (32bit boundary)",
392 },{
393 .name = "iommu",
394 .type = QEMU_OPT_BOOL,
395 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
396 },
397 { /* End of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_boot_opts = {
402 .name = "boot-opts",
403 .implied_opt_name = "order",
404 .merge_lists = true,
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
406 .desc = {
407 {
408 .name = "order",
409 .type = QEMU_OPT_STRING,
410 }, {
411 .name = "once",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "menu",
415 .type = QEMU_OPT_BOOL,
416 }, {
417 .name = "splash",
418 .type = QEMU_OPT_STRING,
419 }, {
420 .name = "splash-time",
421 .type = QEMU_OPT_STRING,
422 }, {
423 .name = "reboot-timeout",
424 .type = QEMU_OPT_STRING,
425 }, {
426 .name = "strict",
427 .type = QEMU_OPT_BOOL,
428 },
429 { /*End of list */ }
430 },
431 };
432
433 static QemuOptsList qemu_add_fd_opts = {
434 .name = "add-fd",
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
436 .desc = {
437 {
438 .name = "fd",
439 .type = QEMU_OPT_NUMBER,
440 .help = "file descriptor of which a duplicate is added to fd set",
441 },{
442 .name = "set",
443 .type = QEMU_OPT_NUMBER,
444 .help = "ID of the fd set to add fd to",
445 },{
446 .name = "opaque",
447 .type = QEMU_OPT_STRING,
448 .help = "free-form string used to describe fd",
449 },
450 { /* end of list */ }
451 },
452 };
453
454 static QemuOptsList qemu_object_opts = {
455 .name = "object",
456 .implied_opt_name = "qom-type",
457 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
458 .desc = {
459 { }
460 },
461 };
462
463 static QemuOptsList qemu_tpmdev_opts = {
464 .name = "tpmdev",
465 .implied_opt_name = "type",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
467 .desc = {
468 /* options are defined in the TPM backends */
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_realtime_opts = {
474 .name = "realtime",
475 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
476 .desc = {
477 {
478 .name = "mlock",
479 .type = QEMU_OPT_BOOL,
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_msg_opts = {
486 .name = "msg",
487 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
488 .desc = {
489 {
490 .name = "timestamp",
491 .type = QEMU_OPT_BOOL,
492 },
493 { /* end of list */ }
494 },
495 };
496
497 static QemuOptsList qemu_name_opts = {
498 .name = "name",
499 .implied_opt_name = "guest",
500 .merge_lists = true,
501 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
502 .desc = {
503 {
504 .name = "guest",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets the name of the guest.\n"
507 "This name will be displayed in the SDL window caption.\n"
508 "The name will also be used for the VNC server",
509 }, {
510 .name = "process",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets the name of the QEMU process, as shown in top etc",
513 }, {
514 .name = "debug-threads",
515 .type = QEMU_OPT_BOOL,
516 .help = "When enabled, name the individual threads; defaults off.\n"
517 "NOTE: The thread names are for debugging and not a\n"
518 "stable API.",
519 },
520 { /* End of list */ }
521 },
522 };
523
524 static QemuOptsList qemu_mem_opts = {
525 .name = "memory",
526 .implied_opt_name = "size",
527 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
528 .merge_lists = true,
529 .desc = {
530 {
531 .name = "size",
532 .type = QEMU_OPT_SIZE,
533 },
534 {
535 .name = "slots",
536 .type = QEMU_OPT_NUMBER,
537 },
538 {
539 .name = "maxmem",
540 .type = QEMU_OPT_SIZE,
541 },
542 { /* end of list */ }
543 },
544 };
545
546 static QemuOptsList qemu_icount_opts = {
547 .name = "icount",
548 .implied_opt_name = "shift",
549 .merge_lists = true,
550 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
551 .desc = {
552 {
553 .name = "shift",
554 .type = QEMU_OPT_STRING,
555 }, {
556 .name = "align",
557 .type = QEMU_OPT_BOOL,
558 },
559 { /* end of list */ }
560 },
561 };
562
563 /**
564 * Get machine options
565 *
566 * Returns: machine options (never null).
567 */
568 QemuOpts *qemu_get_machine_opts(void)
569 {
570 return qemu_find_opts_singleton("machine");
571 }
572
573 const char *qemu_get_vm_name(void)
574 {
575 return qemu_name;
576 }
577
578 static void res_free(void)
579 {
580 if (boot_splash_filedata != NULL) {
581 g_free(boot_splash_filedata);
582 boot_splash_filedata = NULL;
583 }
584 }
585
586 static int default_driver_check(QemuOpts *opts, void *opaque)
587 {
588 const char *driver = qemu_opt_get(opts, "driver");
589 int i;
590
591 if (!driver)
592 return 0;
593 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
594 if (strcmp(default_list[i].driver, driver) != 0)
595 continue;
596 *(default_list[i].flag) = 0;
597 }
598 return 0;
599 }
600
601 /***********************************************************/
602 /* QEMU state */
603
604 static RunState current_run_state = RUN_STATE_PRELAUNCH;
605
606 /* We use RUN_STATE_MAX but any invalid value will do */
607 static RunState vmstop_requested = RUN_STATE_MAX;
608 static QemuMutex vmstop_lock;
609
610 typedef struct {
611 RunState from;
612 RunState to;
613 } RunStateTransition;
614
615 static const RunStateTransition runstate_transitions_def[] = {
616 /* from -> to */
617 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
618 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
621 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
622
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
624 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
627 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
630 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
634
635 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
638
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
641
642 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
643
644 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
645 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
648 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
652 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
653 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
654
655 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
656
657 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
659
660 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
661 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
662 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
663 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
664
665 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
666 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
667
668 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
669 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
670
671 { RUN_STATE_MAX, RUN_STATE_MAX },
672 };
673
674 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
675
676 bool runstate_check(RunState state)
677 {
678 return current_run_state == state;
679 }
680
681 static void runstate_init(void)
682 {
683 const RunStateTransition *p;
684
685 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
686 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
687 runstate_valid_transitions[p->from][p->to] = true;
688 }
689
690 qemu_mutex_init(&vmstop_lock);
691 }
692
693 /* This function will abort() on invalid state transitions */
694 void runstate_set(RunState new_state)
695 {
696 assert(new_state < RUN_STATE_MAX);
697
698 if (!runstate_valid_transitions[current_run_state][new_state]) {
699 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
700 RunState_lookup[current_run_state],
701 RunState_lookup[new_state]);
702 abort();
703 }
704 trace_runstate_set(new_state);
705 current_run_state = new_state;
706 }
707
708 int runstate_is_running(void)
709 {
710 return runstate_check(RUN_STATE_RUNNING);
711 }
712
713 bool runstate_needs_reset(void)
714 {
715 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
716 runstate_check(RUN_STATE_SHUTDOWN);
717 }
718
719 StatusInfo *qmp_query_status(Error **errp)
720 {
721 StatusInfo *info = g_malloc0(sizeof(*info));
722
723 info->running = runstate_is_running();
724 info->singlestep = singlestep;
725 info->status = current_run_state;
726
727 return info;
728 }
729
730 static bool qemu_vmstop_requested(RunState *r)
731 {
732 qemu_mutex_lock(&vmstop_lock);
733 *r = vmstop_requested;
734 vmstop_requested = RUN_STATE_MAX;
735 qemu_mutex_unlock(&vmstop_lock);
736 return *r < RUN_STATE_MAX;
737 }
738
739 void qemu_system_vmstop_request_prepare(void)
740 {
741 qemu_mutex_lock(&vmstop_lock);
742 }
743
744 void qemu_system_vmstop_request(RunState state)
745 {
746 vmstop_requested = state;
747 qemu_mutex_unlock(&vmstop_lock);
748 qemu_notify_event();
749 }
750
751 void vm_start(void)
752 {
753 RunState requested;
754
755 qemu_vmstop_requested(&requested);
756 if (runstate_is_running() && requested == RUN_STATE_MAX) {
757 return;
758 }
759
760 /* Ensure that a STOP/RESUME pair of events is emitted if a
761 * vmstop request was pending. The BLOCK_IO_ERROR event, for
762 * example, according to documentation is always followed by
763 * the STOP event.
764 */
765 if (runstate_is_running()) {
766 qapi_event_send_stop(&error_abort);
767 } else {
768 cpu_enable_ticks();
769 runstate_set(RUN_STATE_RUNNING);
770 vm_state_notify(1, RUN_STATE_RUNNING);
771 resume_all_vcpus();
772 }
773
774 qapi_event_send_resume(&error_abort);
775 }
776
777
778 /***********************************************************/
779 /* real time host monotonic timer */
780
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm *tm, int offset)
784 {
785 time_t ti;
786
787 time(&ti);
788 ti += offset;
789 if (rtc_date_offset == -1) {
790 if (rtc_utc)
791 gmtime_r(&ti, tm);
792 else
793 localtime_r(&ti, tm);
794 } else {
795 ti -= rtc_date_offset;
796 gmtime_r(&ti, tm);
797 }
798 }
799
800 int qemu_timedate_diff(struct tm *tm)
801 {
802 time_t seconds;
803
804 if (rtc_date_offset == -1)
805 if (rtc_utc)
806 seconds = mktimegm(tm);
807 else {
808 struct tm tmp = *tm;
809 tmp.tm_isdst = -1; /* use timezone to figure it out */
810 seconds = mktime(&tmp);
811 }
812 else
813 seconds = mktimegm(tm) + rtc_date_offset;
814
815 return seconds - time(NULL);
816 }
817
818 static void configure_rtc_date_offset(const char *startdate, int legacy)
819 {
820 time_t rtc_start_date;
821 struct tm tm;
822
823 if (!strcmp(startdate, "now") && legacy) {
824 rtc_date_offset = -1;
825 } else {
826 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
827 &tm.tm_year,
828 &tm.tm_mon,
829 &tm.tm_mday,
830 &tm.tm_hour,
831 &tm.tm_min,
832 &tm.tm_sec) == 6) {
833 /* OK */
834 } else if (sscanf(startdate, "%d-%d-%d",
835 &tm.tm_year,
836 &tm.tm_mon,
837 &tm.tm_mday) == 3) {
838 tm.tm_hour = 0;
839 tm.tm_min = 0;
840 tm.tm_sec = 0;
841 } else {
842 goto date_fail;
843 }
844 tm.tm_year -= 1900;
845 tm.tm_mon--;
846 rtc_start_date = mktimegm(&tm);
847 if (rtc_start_date == -1) {
848 date_fail:
849 fprintf(stderr, "Invalid date format. Valid formats are:\n"
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
851 exit(1);
852 }
853 rtc_date_offset = time(NULL) - rtc_start_date;
854 }
855 }
856
857 static void configure_rtc(QemuOpts *opts)
858 {
859 const char *value;
860
861 value = qemu_opt_get(opts, "base");
862 if (value) {
863 if (!strcmp(value, "utc")) {
864 rtc_utc = 1;
865 } else if (!strcmp(value, "localtime")) {
866 rtc_utc = 0;
867 } else {
868 configure_rtc_date_offset(value, 0);
869 }
870 }
871 value = qemu_opt_get(opts, "clock");
872 if (value) {
873 if (!strcmp(value, "host")) {
874 rtc_clock = QEMU_CLOCK_HOST;
875 } else if (!strcmp(value, "rt")) {
876 rtc_clock = QEMU_CLOCK_REALTIME;
877 } else if (!strcmp(value, "vm")) {
878 rtc_clock = QEMU_CLOCK_VIRTUAL;
879 } else {
880 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
881 exit(1);
882 }
883 }
884 value = qemu_opt_get(opts, "driftfix");
885 if (value) {
886 if (!strcmp(value, "slew")) {
887 static GlobalProperty slew_lost_ticks[] = {
888 {
889 .driver = "mc146818rtc",
890 .property = "lost_tick_policy",
891 .value = "slew",
892 },
893 { /* end of list */ }
894 };
895
896 qdev_prop_register_global_list(slew_lost_ticks);
897 } else if (!strcmp(value, "none")) {
898 /* discard is default */
899 } else {
900 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
901 exit(1);
902 }
903 }
904 }
905
906 /***********************************************************/
907 /* Bluetooth support */
908 static int nb_hcis;
909 static int cur_hci;
910 static struct HCIInfo *hci_table[MAX_NICS];
911
912 struct HCIInfo *qemu_next_hci(void)
913 {
914 if (cur_hci == nb_hcis)
915 return &null_hci;
916
917 return hci_table[cur_hci++];
918 }
919
920 static int bt_hci_parse(const char *str)
921 {
922 struct HCIInfo *hci;
923 bdaddr_t bdaddr;
924
925 if (nb_hcis >= MAX_NICS) {
926 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
927 return -1;
928 }
929
930 hci = hci_init(str);
931 if (!hci)
932 return -1;
933
934 bdaddr.b[0] = 0x52;
935 bdaddr.b[1] = 0x54;
936 bdaddr.b[2] = 0x00;
937 bdaddr.b[3] = 0x12;
938 bdaddr.b[4] = 0x34;
939 bdaddr.b[5] = 0x56 + nb_hcis;
940 hci->bdaddr_set(hci, bdaddr.b);
941
942 hci_table[nb_hcis++] = hci;
943
944 return 0;
945 }
946
947 static void bt_vhci_add(int vlan_id)
948 {
949 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
950
951 if (!vlan->slave)
952 fprintf(stderr, "qemu: warning: adding a VHCI to "
953 "an empty scatternet %i\n", vlan_id);
954
955 bt_vhci_init(bt_new_hci(vlan));
956 }
957
958 static struct bt_device_s *bt_device_add(const char *opt)
959 {
960 struct bt_scatternet_s *vlan;
961 int vlan_id = 0;
962 char *endp = strstr(opt, ",vlan=");
963 int len = (endp ? endp - opt : strlen(opt)) + 1;
964 char devname[10];
965
966 pstrcpy(devname, MIN(sizeof(devname), len), opt);
967
968 if (endp) {
969 vlan_id = strtol(endp + 6, &endp, 0);
970 if (*endp) {
971 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
972 return 0;
973 }
974 }
975
976 vlan = qemu_find_bt_vlan(vlan_id);
977
978 if (!vlan->slave)
979 fprintf(stderr, "qemu: warning: adding a slave device to "
980 "an empty scatternet %i\n", vlan_id);
981
982 if (!strcmp(devname, "keyboard"))
983 return bt_keyboard_init(vlan);
984
985 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
986 return 0;
987 }
988
989 static int bt_parse(const char *opt)
990 {
991 const char *endp, *p;
992 int vlan;
993
994 if (strstart(opt, "hci", &endp)) {
995 if (!*endp || *endp == ',') {
996 if (*endp)
997 if (!strstart(endp, ",vlan=", 0))
998 opt = endp + 1;
999
1000 return bt_hci_parse(opt);
1001 }
1002 } else if (strstart(opt, "vhci", &endp)) {
1003 if (!*endp || *endp == ',') {
1004 if (*endp) {
1005 if (strstart(endp, ",vlan=", &p)) {
1006 vlan = strtol(p, (char **) &endp, 0);
1007 if (*endp) {
1008 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1009 return 1;
1010 }
1011 } else {
1012 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1013 return 1;
1014 }
1015 } else
1016 vlan = 0;
1017
1018 bt_vhci_add(vlan);
1019 return 0;
1020 }
1021 } else if (strstart(opt, "device:", &endp))
1022 return !bt_device_add(endp);
1023
1024 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1025 return 1;
1026 }
1027
1028 static int parse_sandbox(QemuOpts *opts, void *opaque)
1029 {
1030 /* FIXME: change this to true for 1.3 */
1031 if (qemu_opt_get_bool(opts, "enable", false)) {
1032 #ifdef CONFIG_SECCOMP
1033 if (seccomp_start() < 0) {
1034 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1035 "failed to install seccomp syscall filter in the kernel");
1036 return -1;
1037 }
1038 #else
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "sandboxing request but seccomp is not compiled into this build");
1041 return -1;
1042 #endif
1043 }
1044
1045 return 0;
1046 }
1047
1048 static int parse_name(QemuOpts *opts, void *opaque)
1049 {
1050 const char *proc_name;
1051
1052 if (qemu_opt_get(opts, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1054 }
1055 qemu_name = qemu_opt_get(opts, "guest");
1056
1057 proc_name = qemu_opt_get(opts, "process");
1058 if (proc_name) {
1059 os_set_proc_name(proc_name);
1060 }
1061
1062 return 0;
1063 }
1064
1065 bool usb_enabled(bool default_usb)
1066 {
1067 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1068 has_defaults && default_usb);
1069 }
1070
1071 #ifndef _WIN32
1072 static int parse_add_fd(QemuOpts *opts, void *opaque)
1073 {
1074 int fd, dupfd, flags;
1075 int64_t fdset_id;
1076 const char *fd_opaque = NULL;
1077
1078 fd = qemu_opt_get_number(opts, "fd", -1);
1079 fdset_id = qemu_opt_get_number(opts, "set", -1);
1080 fd_opaque = qemu_opt_get(opts, "opaque");
1081
1082 if (fd < 0) {
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "fd option is required and must be non-negative");
1085 return -1;
1086 }
1087
1088 if (fd <= STDERR_FILENO) {
1089 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1090 "fd cannot be a standard I/O stream");
1091 return -1;
1092 }
1093
1094 /*
1095 * All fds inherited across exec() necessarily have FD_CLOEXEC
1096 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1097 */
1098 flags = fcntl(fd, F_GETFD);
1099 if (flags == -1 || (flags & FD_CLOEXEC)) {
1100 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1101 "fd is not valid or already in use");
1102 return -1;
1103 }
1104
1105 if (fdset_id < 0) {
1106 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1107 "set option is required and must be non-negative");
1108 return -1;
1109 }
1110
1111 #ifdef F_DUPFD_CLOEXEC
1112 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1113 #else
1114 dupfd = dup(fd);
1115 if (dupfd != -1) {
1116 qemu_set_cloexec(dupfd);
1117 }
1118 #endif
1119 if (dupfd == -1) {
1120 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1121 "Error duplicating fd: %s", strerror(errno));
1122 return -1;
1123 }
1124
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1127 fd_opaque, NULL);
1128
1129 return 0;
1130 }
1131
1132 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1133 {
1134 int fd;
1135
1136 fd = qemu_opt_get_number(opts, "fd", -1);
1137 close(fd);
1138
1139 return 0;
1140 }
1141 #endif
1142
1143 /***********************************************************/
1144 /* QEMU Block devices */
1145
1146 #define HD_OPTS "media=disk"
1147 #define CDROM_OPTS "media=cdrom"
1148 #define FD_OPTS ""
1149 #define PFLASH_OPTS ""
1150 #define MTD_OPTS ""
1151 #define SD_OPTS ""
1152
1153 static int drive_init_func(QemuOpts *opts, void *opaque)
1154 {
1155 BlockInterfaceType *block_default_type = opaque;
1156
1157 return drive_new(opts, *block_default_type) == NULL;
1158 }
1159
1160 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1161 {
1162 if (qemu_opt_get(opts, "snapshot") == NULL) {
1163 qemu_opt_set(opts, "snapshot", "on");
1164 }
1165 return 0;
1166 }
1167
1168 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1169 int index, const char *optstr)
1170 {
1171 QemuOpts *opts;
1172
1173 if (!enable || drive_get_by_index(type, index)) {
1174 return;
1175 }
1176
1177 opts = drive_add(type, index, NULL, optstr);
1178 if (snapshot) {
1179 drive_enable_snapshot(opts, NULL);
1180 }
1181 if (!drive_new(opts, type)) {
1182 exit(1);
1183 }
1184 }
1185
1186 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1187 {
1188 boot_set_handler = func;
1189 boot_set_opaque = opaque;
1190 }
1191
1192 int qemu_boot_set(const char *boot_order)
1193 {
1194 if (!boot_set_handler) {
1195 return -EINVAL;
1196 }
1197 return boot_set_handler(boot_set_opaque, boot_order);
1198 }
1199
1200 static void validate_bootdevices(const char *devices)
1201 {
1202 /* We just do some generic consistency checks */
1203 const char *p;
1204 int bitmap = 0;
1205
1206 for (p = devices; *p != '\0'; p++) {
1207 /* Allowed boot devices are:
1208 * a-b: floppy disk drives
1209 * c-f: IDE disk drives
1210 * g-m: machine implementation dependent drives
1211 * n-p: network devices
1212 * It's up to each machine implementation to check if the given boot
1213 * devices match the actual hardware implementation and firmware
1214 * features.
1215 */
1216 if (*p < 'a' || *p > 'p') {
1217 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1218 exit(1);
1219 }
1220 if (bitmap & (1 << (*p - 'a'))) {
1221 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1222 exit(1);
1223 }
1224 bitmap |= 1 << (*p - 'a');
1225 }
1226 }
1227
1228 static void restore_boot_order(void *opaque)
1229 {
1230 char *normal_boot_order = opaque;
1231 static int first = 1;
1232
1233 /* Restore boot order and remove ourselves after the first boot */
1234 if (first) {
1235 first = 0;
1236 return;
1237 }
1238
1239 qemu_boot_set(normal_boot_order);
1240
1241 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1242 g_free(normal_boot_order);
1243 }
1244
1245 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1246 const char *suffix)
1247 {
1248 FWBootEntry *node, *i;
1249
1250 if (bootindex < 0) {
1251 return;
1252 }
1253
1254 assert(dev != NULL || suffix != NULL);
1255
1256 node = g_malloc0(sizeof(FWBootEntry));
1257 node->bootindex = bootindex;
1258 node->suffix = g_strdup(suffix);
1259 node->dev = dev;
1260
1261 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1262 if (i->bootindex == bootindex) {
1263 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1264 exit(1);
1265 } else if (i->bootindex < bootindex) {
1266 continue;
1267 }
1268 QTAILQ_INSERT_BEFORE(i, node, link);
1269 return;
1270 }
1271 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1272 }
1273
1274 DeviceState *get_boot_device(uint32_t position)
1275 {
1276 uint32_t counter = 0;
1277 FWBootEntry *i = NULL;
1278 DeviceState *res = NULL;
1279
1280 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1281 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1282 if (counter == position) {
1283 res = i->dev;
1284 break;
1285 }
1286 counter++;
1287 }
1288 }
1289 return res;
1290 }
1291
1292 /*
1293 * This function returns null terminated string that consist of new line
1294 * separated device paths.
1295 *
1296 * memory pointed by "size" is assigned total length of the array in bytes
1297 *
1298 */
1299 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1300 {
1301 FWBootEntry *i;
1302 size_t total = 0;
1303 char *list = NULL;
1304
1305 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1306 char *devpath = NULL, *bootpath;
1307 size_t len;
1308
1309 if (i->dev) {
1310 devpath = qdev_get_fw_dev_path(i->dev);
1311 assert(devpath);
1312 }
1313
1314 if (i->suffix && !ignore_suffixes && devpath) {
1315 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1316
1317 bootpath = g_malloc(bootpathlen);
1318 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1319 g_free(devpath);
1320 } else if (devpath) {
1321 bootpath = devpath;
1322 } else if (!ignore_suffixes) {
1323 assert(i->suffix);
1324 bootpath = g_strdup(i->suffix);
1325 } else {
1326 bootpath = g_strdup("");
1327 }
1328
1329 if (total) {
1330 list[total-1] = '\n';
1331 }
1332 len = strlen(bootpath) + 1;
1333 list = g_realloc(list, total + len);
1334 memcpy(&list[total], bootpath, len);
1335 total += len;
1336 g_free(bootpath);
1337 }
1338
1339 *size = total;
1340
1341 if (boot_strict && *size > 0) {
1342 list[total-1] = '\n';
1343 list = g_realloc(list, total + 5);
1344 memcpy(&list[total], "HALT", 5);
1345 *size = total + 5;
1346 }
1347 return list;
1348 }
1349
1350 static QemuOptsList qemu_smp_opts = {
1351 .name = "smp-opts",
1352 .implied_opt_name = "cpus",
1353 .merge_lists = true,
1354 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1355 .desc = {
1356 {
1357 .name = "cpus",
1358 .type = QEMU_OPT_NUMBER,
1359 }, {
1360 .name = "sockets",
1361 .type = QEMU_OPT_NUMBER,
1362 }, {
1363 .name = "cores",
1364 .type = QEMU_OPT_NUMBER,
1365 }, {
1366 .name = "threads",
1367 .type = QEMU_OPT_NUMBER,
1368 }, {
1369 .name = "maxcpus",
1370 .type = QEMU_OPT_NUMBER,
1371 },
1372 { /*End of list */ }
1373 },
1374 };
1375
1376 static void smp_parse(QemuOpts *opts)
1377 {
1378 if (opts) {
1379
1380 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1381 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1382 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1383 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1384
1385 /* compute missing values, prefer sockets over cores over threads */
1386 if (cpus == 0 || sockets == 0) {
1387 sockets = sockets > 0 ? sockets : 1;
1388 cores = cores > 0 ? cores : 1;
1389 threads = threads > 0 ? threads : 1;
1390 if (cpus == 0) {
1391 cpus = cores * threads * sockets;
1392 }
1393 } else {
1394 if (cores == 0) {
1395 threads = threads > 0 ? threads : 1;
1396 cores = cpus / (sockets * threads);
1397 } else {
1398 threads = cpus / (cores * sockets);
1399 }
1400 }
1401
1402 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1403
1404 smp_cpus = cpus;
1405 smp_cores = cores > 0 ? cores : 1;
1406 smp_threads = threads > 0 ? threads : 1;
1407
1408 }
1409
1410 if (max_cpus == 0) {
1411 max_cpus = smp_cpus;
1412 }
1413
1414 if (max_cpus > MAX_CPUMASK_BITS) {
1415 fprintf(stderr, "Unsupported number of maxcpus\n");
1416 exit(1);
1417 }
1418 if (max_cpus < smp_cpus) {
1419 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1420 exit(1);
1421 }
1422
1423 }
1424
1425 static void realtime_init(void)
1426 {
1427 if (enable_mlock) {
1428 if (os_mlock() < 0) {
1429 fprintf(stderr, "qemu: locking memory failed\n");
1430 exit(1);
1431 }
1432 }
1433 }
1434
1435
1436 static void configure_msg(QemuOpts *opts)
1437 {
1438 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1439 }
1440
1441 /***********************************************************/
1442 /* USB devices */
1443
1444 static int usb_device_add(const char *devname)
1445 {
1446 USBDevice *dev = NULL;
1447 #ifndef CONFIG_LINUX
1448 const char *p;
1449 #endif
1450
1451 if (!usb_enabled(false)) {
1452 return -1;
1453 }
1454
1455 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1456 dev = usbdevice_create(devname);
1457 if (dev)
1458 goto done;
1459
1460 /* the other ones */
1461 #ifndef CONFIG_LINUX
1462 /* only the linux version is qdev-ified, usb-bsd still needs this */
1463 if (strstart(devname, "host:", &p)) {
1464 dev = usb_host_device_open(usb_bus_find(-1), p);
1465 }
1466 #endif
1467 if (!dev)
1468 return -1;
1469
1470 done:
1471 return 0;
1472 }
1473
1474 static int usb_device_del(const char *devname)
1475 {
1476 int bus_num, addr;
1477 const char *p;
1478
1479 if (strstart(devname, "host:", &p)) {
1480 return -1;
1481 }
1482
1483 if (!usb_enabled(false)) {
1484 return -1;
1485 }
1486
1487 p = strchr(devname, '.');
1488 if (!p)
1489 return -1;
1490 bus_num = strtoul(devname, NULL, 0);
1491 addr = strtoul(p + 1, NULL, 0);
1492
1493 return usb_device_delete_addr(bus_num, addr);
1494 }
1495
1496 static int usb_parse(const char *cmdline)
1497 {
1498 int r;
1499 r = usb_device_add(cmdline);
1500 if (r < 0) {
1501 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1502 }
1503 return r;
1504 }
1505
1506 void do_usb_add(Monitor *mon, const QDict *qdict)
1507 {
1508 const char *devname = qdict_get_str(qdict, "devname");
1509 if (usb_device_add(devname) < 0) {
1510 error_report("could not add USB device '%s'", devname);
1511 }
1512 }
1513
1514 void do_usb_del(Monitor *mon, const QDict *qdict)
1515 {
1516 const char *devname = qdict_get_str(qdict, "devname");
1517 if (usb_device_del(devname) < 0) {
1518 error_report("could not delete USB device '%s'", devname);
1519 }
1520 }
1521
1522 /***********************************************************/
1523 /* PCMCIA/Cardbus */
1524
1525 static struct pcmcia_socket_entry_s {
1526 PCMCIASocket *socket;
1527 struct pcmcia_socket_entry_s *next;
1528 } *pcmcia_sockets = 0;
1529
1530 void pcmcia_socket_register(PCMCIASocket *socket)
1531 {
1532 struct pcmcia_socket_entry_s *entry;
1533
1534 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1535 entry->socket = socket;
1536 entry->next = pcmcia_sockets;
1537 pcmcia_sockets = entry;
1538 }
1539
1540 void pcmcia_socket_unregister(PCMCIASocket *socket)
1541 {
1542 struct pcmcia_socket_entry_s *entry, **ptr;
1543
1544 ptr = &pcmcia_sockets;
1545 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1546 if (entry->socket == socket) {
1547 *ptr = entry->next;
1548 g_free(entry);
1549 }
1550 }
1551
1552 void pcmcia_info(Monitor *mon, const QDict *qdict)
1553 {
1554 struct pcmcia_socket_entry_s *iter;
1555
1556 if (!pcmcia_sockets)
1557 monitor_printf(mon, "No PCMCIA sockets\n");
1558
1559 for (iter = pcmcia_sockets; iter; iter = iter->next)
1560 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1561 iter->socket->attached ? iter->socket->card_string :
1562 "Empty");
1563 }
1564
1565 /***********************************************************/
1566 /* machine registration */
1567
1568 MachineState *current_machine;
1569
1570 static void machine_class_init(ObjectClass *oc, void *data)
1571 {
1572 MachineClass *mc = MACHINE_CLASS(oc);
1573 QEMUMachine *qm = data;
1574
1575 mc->name = qm->name;
1576 mc->alias = qm->alias;
1577 mc->desc = qm->desc;
1578 mc->init = qm->init;
1579 mc->reset = qm->reset;
1580 mc->hot_add_cpu = qm->hot_add_cpu;
1581 mc->kvm_type = qm->kvm_type;
1582 mc->block_default_type = qm->block_default_type;
1583 mc->max_cpus = qm->max_cpus;
1584 mc->no_serial = qm->no_serial;
1585 mc->no_parallel = qm->no_parallel;
1586 mc->use_virtcon = qm->use_virtcon;
1587 mc->use_sclp = qm->use_sclp;
1588 mc->no_floppy = qm->no_floppy;
1589 mc->no_cdrom = qm->no_cdrom;
1590 mc->no_sdcard = qm->no_sdcard;
1591 mc->is_default = qm->is_default;
1592 mc->default_machine_opts = qm->default_machine_opts;
1593 mc->default_boot_order = qm->default_boot_order;
1594 mc->compat_props = qm->compat_props;
1595 mc->hw_version = qm->hw_version;
1596 }
1597
1598 int qemu_register_machine(QEMUMachine *m)
1599 {
1600 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1601 TypeInfo ti = {
1602 .name = name,
1603 .parent = TYPE_MACHINE,
1604 .class_init = machine_class_init,
1605 .class_data = (void *)m,
1606 };
1607
1608 type_register(&ti);
1609 g_free(name);
1610
1611 return 0;
1612 }
1613
1614 static MachineClass *find_machine(const char *name)
1615 {
1616 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1617 MachineClass *mc = NULL;
1618
1619 for (el = machines; el; el = el->next) {
1620 MachineClass *temp = el->data;
1621
1622 if (!strcmp(temp->name, name)) {
1623 mc = temp;
1624 break;
1625 }
1626 if (temp->alias &&
1627 !strcmp(temp->alias, name)) {
1628 mc = temp;
1629 break;
1630 }
1631 }
1632
1633 g_slist_free(machines);
1634 return mc;
1635 }
1636
1637 MachineClass *find_default_machine(void)
1638 {
1639 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1640 MachineClass *mc = NULL;
1641
1642 for (el = machines; el; el = el->next) {
1643 MachineClass *temp = el->data;
1644
1645 if (temp->is_default) {
1646 mc = temp;
1647 break;
1648 }
1649 }
1650
1651 g_slist_free(machines);
1652 return mc;
1653 }
1654
1655 MachineInfoList *qmp_query_machines(Error **errp)
1656 {
1657 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1658 MachineInfoList *mach_list = NULL;
1659
1660 for (el = machines; el; el = el->next) {
1661 MachineClass *mc = el->data;
1662 MachineInfoList *entry;
1663 MachineInfo *info;
1664
1665 info = g_malloc0(sizeof(*info));
1666 if (mc->is_default) {
1667 info->has_is_default = true;
1668 info->is_default = true;
1669 }
1670
1671 if (mc->alias) {
1672 info->has_alias = true;
1673 info->alias = g_strdup(mc->alias);
1674 }
1675
1676 info->name = g_strdup(mc->name);
1677 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1678
1679 entry = g_malloc0(sizeof(*entry));
1680 entry->value = info;
1681 entry->next = mach_list;
1682 mach_list = entry;
1683 }
1684
1685 g_slist_free(machines);
1686 return mach_list;
1687 }
1688
1689 /***********************************************************/
1690 /* main execution loop */
1691
1692 struct vm_change_state_entry {
1693 VMChangeStateHandler *cb;
1694 void *opaque;
1695 QLIST_ENTRY (vm_change_state_entry) entries;
1696 };
1697
1698 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1699
1700 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1701 void *opaque)
1702 {
1703 VMChangeStateEntry *e;
1704
1705 e = g_malloc0(sizeof (*e));
1706
1707 e->cb = cb;
1708 e->opaque = opaque;
1709 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1710 return e;
1711 }
1712
1713 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1714 {
1715 QLIST_REMOVE (e, entries);
1716 g_free (e);
1717 }
1718
1719 void vm_state_notify(int running, RunState state)
1720 {
1721 VMChangeStateEntry *e, *next;
1722
1723 trace_vm_state_notify(running, state);
1724
1725 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1726 e->cb(e->opaque, running, state);
1727 }
1728 }
1729
1730 /* reset/shutdown handler */
1731
1732 typedef struct QEMUResetEntry {
1733 QTAILQ_ENTRY(QEMUResetEntry) entry;
1734 QEMUResetHandler *func;
1735 void *opaque;
1736 } QEMUResetEntry;
1737
1738 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1739 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1740 static int reset_requested;
1741 static int shutdown_requested, shutdown_signal = -1;
1742 static pid_t shutdown_pid;
1743 static int powerdown_requested;
1744 static int debug_requested;
1745 static int suspend_requested;
1746 static WakeupReason wakeup_reason;
1747 static NotifierList powerdown_notifiers =
1748 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1749 static NotifierList suspend_notifiers =
1750 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1751 static NotifierList wakeup_notifiers =
1752 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1753 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1754
1755 int qemu_shutdown_requested_get(void)
1756 {
1757 return shutdown_requested;
1758 }
1759
1760 int qemu_reset_requested_get(void)
1761 {
1762 return reset_requested;
1763 }
1764
1765 static int qemu_shutdown_requested(void)
1766 {
1767 int r = shutdown_requested;
1768 shutdown_requested = 0;
1769 return r;
1770 }
1771
1772 static void qemu_kill_report(void)
1773 {
1774 if (!qtest_driver() && shutdown_signal != -1) {
1775 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1776 if (shutdown_pid == 0) {
1777 /* This happens for eg ^C at the terminal, so it's worth
1778 * avoiding printing an odd message in that case.
1779 */
1780 fputc('\n', stderr);
1781 } else {
1782 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1783 }
1784 shutdown_signal = -1;
1785 }
1786 }
1787
1788 static int qemu_reset_requested(void)
1789 {
1790 int r = reset_requested;
1791 reset_requested = 0;
1792 return r;
1793 }
1794
1795 static int qemu_suspend_requested(void)
1796 {
1797 int r = suspend_requested;
1798 suspend_requested = 0;
1799 return r;
1800 }
1801
1802 static WakeupReason qemu_wakeup_requested(void)
1803 {
1804 return wakeup_reason;
1805 }
1806
1807 static int qemu_powerdown_requested(void)
1808 {
1809 int r = powerdown_requested;
1810 powerdown_requested = 0;
1811 return r;
1812 }
1813
1814 static int qemu_debug_requested(void)
1815 {
1816 int r = debug_requested;
1817 debug_requested = 0;
1818 return r;
1819 }
1820
1821 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1822 {
1823 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1824
1825 re->func = func;
1826 re->opaque = opaque;
1827 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1828 }
1829
1830 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1831 {
1832 QEMUResetEntry *re;
1833
1834 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1835 if (re->func == func && re->opaque == opaque) {
1836 QTAILQ_REMOVE(&reset_handlers, re, entry);
1837 g_free(re);
1838 return;
1839 }
1840 }
1841 }
1842
1843 void qemu_devices_reset(void)
1844 {
1845 QEMUResetEntry *re, *nre;
1846
1847 /* reset all devices */
1848 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1849 re->func(re->opaque);
1850 }
1851 }
1852
1853 void qemu_system_reset(bool report)
1854 {
1855 MachineClass *mc;
1856
1857 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1858
1859 if (mc && mc->reset) {
1860 mc->reset();
1861 } else {
1862 qemu_devices_reset();
1863 }
1864 if (report) {
1865 qapi_event_send_reset(&error_abort);
1866 }
1867 cpu_synchronize_all_post_reset();
1868 }
1869
1870 void qemu_system_reset_request(void)
1871 {
1872 if (no_reboot) {
1873 shutdown_requested = 1;
1874 } else {
1875 reset_requested = 1;
1876 }
1877 cpu_stop_current();
1878 qemu_notify_event();
1879 }
1880
1881 static void qemu_system_suspend(void)
1882 {
1883 pause_all_vcpus();
1884 notifier_list_notify(&suspend_notifiers, NULL);
1885 runstate_set(RUN_STATE_SUSPENDED);
1886 qapi_event_send_suspend(&error_abort);
1887 }
1888
1889 void qemu_system_suspend_request(void)
1890 {
1891 if (runstate_check(RUN_STATE_SUSPENDED)) {
1892 return;
1893 }
1894 suspend_requested = 1;
1895 cpu_stop_current();
1896 qemu_notify_event();
1897 }
1898
1899 void qemu_register_suspend_notifier(Notifier *notifier)
1900 {
1901 notifier_list_add(&suspend_notifiers, notifier);
1902 }
1903
1904 void qemu_system_wakeup_request(WakeupReason reason)
1905 {
1906 trace_system_wakeup_request(reason);
1907
1908 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1909 return;
1910 }
1911 if (!(wakeup_reason_mask & (1 << reason))) {
1912 return;
1913 }
1914 runstate_set(RUN_STATE_RUNNING);
1915 wakeup_reason = reason;
1916 qemu_notify_event();
1917 }
1918
1919 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1920 {
1921 if (enabled) {
1922 wakeup_reason_mask |= (1 << reason);
1923 } else {
1924 wakeup_reason_mask &= ~(1 << reason);
1925 }
1926 }
1927
1928 void qemu_register_wakeup_notifier(Notifier *notifier)
1929 {
1930 notifier_list_add(&wakeup_notifiers, notifier);
1931 }
1932
1933 void qemu_system_killed(int signal, pid_t pid)
1934 {
1935 shutdown_signal = signal;
1936 shutdown_pid = pid;
1937 no_shutdown = 0;
1938 qemu_system_shutdown_request();
1939 }
1940
1941 void qemu_system_shutdown_request(void)
1942 {
1943 trace_qemu_system_shutdown_request();
1944 shutdown_requested = 1;
1945 qemu_notify_event();
1946 }
1947
1948 static void qemu_system_powerdown(void)
1949 {
1950 qapi_event_send_powerdown(&error_abort);
1951 notifier_list_notify(&powerdown_notifiers, NULL);
1952 }
1953
1954 void qemu_system_powerdown_request(void)
1955 {
1956 trace_qemu_system_powerdown_request();
1957 powerdown_requested = 1;
1958 qemu_notify_event();
1959 }
1960
1961 void qemu_register_powerdown_notifier(Notifier *notifier)
1962 {
1963 notifier_list_add(&powerdown_notifiers, notifier);
1964 }
1965
1966 void qemu_system_debug_request(void)
1967 {
1968 debug_requested = 1;
1969 qemu_notify_event();
1970 }
1971
1972 static bool main_loop_should_exit(void)
1973 {
1974 RunState r;
1975 if (qemu_debug_requested()) {
1976 vm_stop(RUN_STATE_DEBUG);
1977 }
1978 if (qemu_suspend_requested()) {
1979 qemu_system_suspend();
1980 }
1981 if (qemu_shutdown_requested()) {
1982 qemu_kill_report();
1983 qapi_event_send_shutdown(&error_abort);
1984 if (no_shutdown) {
1985 vm_stop(RUN_STATE_SHUTDOWN);
1986 } else {
1987 return true;
1988 }
1989 }
1990 if (qemu_reset_requested()) {
1991 pause_all_vcpus();
1992 cpu_synchronize_all_states();
1993 qemu_system_reset(VMRESET_REPORT);
1994 resume_all_vcpus();
1995 if (runstate_needs_reset()) {
1996 runstate_set(RUN_STATE_PAUSED);
1997 }
1998 }
1999 if (qemu_wakeup_requested()) {
2000 pause_all_vcpus();
2001 cpu_synchronize_all_states();
2002 qemu_system_reset(VMRESET_SILENT);
2003 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2004 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2005 resume_all_vcpus();
2006 qapi_event_send_wakeup(&error_abort);
2007 }
2008 if (qemu_powerdown_requested()) {
2009 qemu_system_powerdown();
2010 }
2011 if (qemu_vmstop_requested(&r)) {
2012 vm_stop(r);
2013 }
2014 return false;
2015 }
2016
2017 static void main_loop(void)
2018 {
2019 bool nonblocking;
2020 int last_io = 0;
2021 #ifdef CONFIG_PROFILER
2022 int64_t ti;
2023 #endif
2024 do {
2025 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2026 #ifdef CONFIG_PROFILER
2027 ti = profile_getclock();
2028 #endif
2029 last_io = main_loop_wait(nonblocking);
2030 #ifdef CONFIG_PROFILER
2031 dev_time += profile_getclock() - ti;
2032 #endif
2033 } while (!main_loop_should_exit());
2034 }
2035
2036 static void version(void)
2037 {
2038 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2039 }
2040
2041 static void help(int exitcode)
2042 {
2043 version();
2044 printf("usage: %s [options] [disk_image]\n\n"
2045 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2046 error_get_progname());
2047
2048 #define QEMU_OPTIONS_GENERATE_HELP
2049 #include "qemu-options-wrapper.h"
2050
2051 printf("\nDuring emulation, the following keys are useful:\n"
2052 "ctrl-alt-f toggle full screen\n"
2053 "ctrl-alt-n switch to virtual console 'n'\n"
2054 "ctrl-alt toggle mouse and keyboard grab\n"
2055 "\n"
2056 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2057
2058 exit(exitcode);
2059 }
2060
2061 #define HAS_ARG 0x0001
2062
2063 typedef struct QEMUOption {
2064 const char *name;
2065 int flags;
2066 int index;
2067 uint32_t arch_mask;
2068 } QEMUOption;
2069
2070 static const QEMUOption qemu_options[] = {
2071 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2072 #define QEMU_OPTIONS_GENERATE_OPTIONS
2073 #include "qemu-options-wrapper.h"
2074 { NULL },
2075 };
2076
2077 static bool vga_available(void)
2078 {
2079 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2080 }
2081
2082 static bool cirrus_vga_available(void)
2083 {
2084 return object_class_by_name("cirrus-vga")
2085 || object_class_by_name("isa-cirrus-vga");
2086 }
2087
2088 static bool vmware_vga_available(void)
2089 {
2090 return object_class_by_name("vmware-svga");
2091 }
2092
2093 static bool qxl_vga_available(void)
2094 {
2095 return object_class_by_name("qxl-vga");
2096 }
2097
2098 static bool tcx_vga_available(void)
2099 {
2100 return object_class_by_name("SUNW,tcx");
2101 }
2102
2103 static bool cg3_vga_available(void)
2104 {
2105 return object_class_by_name("cgthree");
2106 }
2107
2108 static void select_vgahw (const char *p)
2109 {
2110 const char *opts;
2111
2112 assert(vga_interface_type == VGA_NONE);
2113 if (strstart(p, "std", &opts)) {
2114 if (vga_available()) {
2115 vga_interface_type = VGA_STD;
2116 } else {
2117 fprintf(stderr, "Error: standard VGA not available\n");
2118 exit(0);
2119 }
2120 } else if (strstart(p, "cirrus", &opts)) {
2121 if (cirrus_vga_available()) {
2122 vga_interface_type = VGA_CIRRUS;
2123 } else {
2124 fprintf(stderr, "Error: Cirrus VGA not available\n");
2125 exit(0);
2126 }
2127 } else if (strstart(p, "vmware", &opts)) {
2128 if (vmware_vga_available()) {
2129 vga_interface_type = VGA_VMWARE;
2130 } else {
2131 fprintf(stderr, "Error: VMWare SVGA not available\n");
2132 exit(0);
2133 }
2134 } else if (strstart(p, "xenfb", &opts)) {
2135 vga_interface_type = VGA_XENFB;
2136 } else if (strstart(p, "qxl", &opts)) {
2137 if (qxl_vga_available()) {
2138 vga_interface_type = VGA_QXL;
2139 } else {
2140 fprintf(stderr, "Error: QXL VGA not available\n");
2141 exit(0);
2142 }
2143 } else if (strstart(p, "tcx", &opts)) {
2144 if (tcx_vga_available()) {
2145 vga_interface_type = VGA_TCX;
2146 } else {
2147 fprintf(stderr, "Error: TCX framebuffer not available\n");
2148 exit(0);
2149 }
2150 } else if (strstart(p, "cg3", &opts)) {
2151 if (cg3_vga_available()) {
2152 vga_interface_type = VGA_CG3;
2153 } else {
2154 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2155 exit(0);
2156 }
2157 } else if (!strstart(p, "none", &opts)) {
2158 invalid_vga:
2159 fprintf(stderr, "Unknown vga type: %s\n", p);
2160 exit(1);
2161 }
2162 while (*opts) {
2163 const char *nextopt;
2164
2165 if (strstart(opts, ",retrace=", &nextopt)) {
2166 opts = nextopt;
2167 if (strstart(opts, "dumb", &nextopt))
2168 vga_retrace_method = VGA_RETRACE_DUMB;
2169 else if (strstart(opts, "precise", &nextopt))
2170 vga_retrace_method = VGA_RETRACE_PRECISE;
2171 else goto invalid_vga;
2172 } else goto invalid_vga;
2173 opts = nextopt;
2174 }
2175 }
2176
2177 static DisplayType select_display(const char *p)
2178 {
2179 const char *opts;
2180 DisplayType display = DT_DEFAULT;
2181
2182 if (strstart(p, "sdl", &opts)) {
2183 #ifdef CONFIG_SDL
2184 display = DT_SDL;
2185 while (*opts) {
2186 const char *nextopt;
2187
2188 if (strstart(opts, ",frame=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 no_frame = 0;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 no_frame = 1;
2194 } else {
2195 goto invalid_sdl_args;
2196 }
2197 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2198 opts = nextopt;
2199 if (strstart(opts, "on", &nextopt)) {
2200 alt_grab = 1;
2201 } else if (strstart(opts, "off", &nextopt)) {
2202 alt_grab = 0;
2203 } else {
2204 goto invalid_sdl_args;
2205 }
2206 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2207 opts = nextopt;
2208 if (strstart(opts, "on", &nextopt)) {
2209 ctrl_grab = 1;
2210 } else if (strstart(opts, "off", &nextopt)) {
2211 ctrl_grab = 0;
2212 } else {
2213 goto invalid_sdl_args;
2214 }
2215 } else if (strstart(opts, ",window_close=", &nextopt)) {
2216 opts = nextopt;
2217 if (strstart(opts, "on", &nextopt)) {
2218 no_quit = 0;
2219 } else if (strstart(opts, "off", &nextopt)) {
2220 no_quit = 1;
2221 } else {
2222 goto invalid_sdl_args;
2223 }
2224 } else {
2225 invalid_sdl_args:
2226 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2227 exit(1);
2228 }
2229 opts = nextopt;
2230 }
2231 #else
2232 fprintf(stderr, "SDL support is disabled\n");
2233 exit(1);
2234 #endif
2235 } else if (strstart(p, "vnc", &opts)) {
2236 #ifdef CONFIG_VNC
2237 display_remote++;
2238
2239 if (*opts) {
2240 const char *nextopt;
2241
2242 if (strstart(opts, "=", &nextopt)) {
2243 vnc_display = nextopt;
2244 }
2245 }
2246 if (!vnc_display) {
2247 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2248 exit(1);
2249 }
2250 #else
2251 fprintf(stderr, "VNC support is disabled\n");
2252 exit(1);
2253 #endif
2254 } else if (strstart(p, "curses", &opts)) {
2255 #ifdef CONFIG_CURSES
2256 display = DT_CURSES;
2257 #else
2258 fprintf(stderr, "Curses support is disabled\n");
2259 exit(1);
2260 #endif
2261 } else if (strstart(p, "gtk", &opts)) {
2262 #ifdef CONFIG_GTK
2263 display = DT_GTK;
2264 while (*opts) {
2265 const char *nextopt;
2266
2267 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2268 opts = nextopt;
2269 if (strstart(opts, "on", &nextopt)) {
2270 grab_on_hover = true;
2271 } else if (strstart(opts, "off", &nextopt)) {
2272 grab_on_hover = false;
2273 } else {
2274 goto invalid_gtk_args;
2275 }
2276 } else {
2277 invalid_gtk_args:
2278 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2279 exit(1);
2280 }
2281 opts = nextopt;
2282 }
2283 #else
2284 fprintf(stderr, "GTK support is disabled\n");
2285 exit(1);
2286 #endif
2287 } else if (strstart(p, "none", &opts)) {
2288 display = DT_NONE;
2289 } else {
2290 fprintf(stderr, "Unknown display type: %s\n", p);
2291 exit(1);
2292 }
2293
2294 return display;
2295 }
2296
2297 static int balloon_parse(const char *arg)
2298 {
2299 QemuOpts *opts;
2300
2301 if (strcmp(arg, "none") == 0) {
2302 return 0;
2303 }
2304
2305 if (!strncmp(arg, "virtio", 6)) {
2306 if (arg[6] == ',') {
2307 /* have params -> parse them */
2308 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2309 if (!opts)
2310 return -1;
2311 } else {
2312 /* create empty opts */
2313 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2314 &error_abort);
2315 }
2316 qemu_opt_set(opts, "driver", "virtio-balloon");
2317 return 0;
2318 }
2319
2320 return -1;
2321 }
2322
2323 char *qemu_find_file(int type, const char *name)
2324 {
2325 int i;
2326 const char *subdir;
2327 char *buf;
2328
2329 /* Try the name as a straight path first */
2330 if (access(name, R_OK) == 0) {
2331 trace_load_file(name, name);
2332 return g_strdup(name);
2333 }
2334
2335 switch (type) {
2336 case QEMU_FILE_TYPE_BIOS:
2337 subdir = "";
2338 break;
2339 case QEMU_FILE_TYPE_KEYMAP:
2340 subdir = "keymaps/";
2341 break;
2342 default:
2343 abort();
2344 }
2345
2346 for (i = 0; i < data_dir_idx; i++) {
2347 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2348 if (access(buf, R_OK) == 0) {
2349 trace_load_file(name, buf);
2350 return buf;
2351 }
2352 g_free(buf);
2353 }
2354 return NULL;
2355 }
2356
2357 static int device_help_func(QemuOpts *opts, void *opaque)
2358 {
2359 return qdev_device_help(opts);
2360 }
2361
2362 static int device_init_func(QemuOpts *opts, void *opaque)
2363 {
2364 DeviceState *dev;
2365
2366 dev = qdev_device_add(opts);
2367 if (!dev)
2368 return -1;
2369 object_unref(OBJECT(dev));
2370 return 0;
2371 }
2372
2373 static int chardev_init_func(QemuOpts *opts, void *opaque)
2374 {
2375 Error *local_err = NULL;
2376
2377 qemu_chr_new_from_opts(opts, NULL, &local_err);
2378 if (local_err) {
2379 error_report("%s", error_get_pretty(local_err));
2380 error_free(local_err);
2381 return -1;
2382 }
2383 return 0;
2384 }
2385
2386 #ifdef CONFIG_VIRTFS
2387 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2388 {
2389 int ret;
2390 ret = qemu_fsdev_add(opts);
2391
2392 return ret;
2393 }
2394 #endif
2395
2396 static int mon_init_func(QemuOpts *opts, void *opaque)
2397 {
2398 CharDriverState *chr;
2399 const char *chardev;
2400 const char *mode;
2401 int flags;
2402
2403 mode = qemu_opt_get(opts, "mode");
2404 if (mode == NULL) {
2405 mode = "readline";
2406 }
2407 if (strcmp(mode, "readline") == 0) {
2408 flags = MONITOR_USE_READLINE;
2409 } else if (strcmp(mode, "control") == 0) {
2410 flags = MONITOR_USE_CONTROL;
2411 } else {
2412 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2413 exit(1);
2414 }
2415
2416 if (qemu_opt_get_bool(opts, "pretty", 0))
2417 flags |= MONITOR_USE_PRETTY;
2418
2419 if (qemu_opt_get_bool(opts, "default", 0))
2420 flags |= MONITOR_IS_DEFAULT;
2421
2422 chardev = qemu_opt_get(opts, "chardev");
2423 chr = qemu_chr_find(chardev);
2424 if (chr == NULL) {
2425 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2426 exit(1);
2427 }
2428
2429 qemu_chr_fe_claim_no_fail(chr);
2430 monitor_init(chr, flags);
2431 return 0;
2432 }
2433
2434 static void monitor_parse(const char *optarg, const char *mode)
2435 {
2436 static int monitor_device_index = 0;
2437 QemuOpts *opts;
2438 const char *p;
2439 char label[32];
2440 int def = 0;
2441
2442 if (strstart(optarg, "chardev:", &p)) {
2443 snprintf(label, sizeof(label), "%s", p);
2444 } else {
2445 snprintf(label, sizeof(label), "compat_monitor%d",
2446 monitor_device_index);
2447 if (monitor_device_index == 0) {
2448 def = 1;
2449 }
2450 opts = qemu_chr_parse_compat(label, optarg);
2451 if (!opts) {
2452 fprintf(stderr, "parse error: %s\n", optarg);
2453 exit(1);
2454 }
2455 }
2456
2457 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2458 if (!opts) {
2459 fprintf(stderr, "duplicate chardev: %s\n", label);
2460 exit(1);
2461 }
2462 qemu_opt_set(opts, "mode", mode);
2463 qemu_opt_set(opts, "chardev", label);
2464 if (def)
2465 qemu_opt_set(opts, "default", "on");
2466 monitor_device_index++;
2467 }
2468
2469 struct device_config {
2470 enum {
2471 DEV_USB, /* -usbdevice */
2472 DEV_BT, /* -bt */
2473 DEV_SERIAL, /* -serial */
2474 DEV_PARALLEL, /* -parallel */
2475 DEV_VIRTCON, /* -virtioconsole */
2476 DEV_DEBUGCON, /* -debugcon */
2477 DEV_GDB, /* -gdb, -s */
2478 DEV_SCLP, /* s390 sclp */
2479 } type;
2480 const char *cmdline;
2481 Location loc;
2482 QTAILQ_ENTRY(device_config) next;
2483 };
2484
2485 static QTAILQ_HEAD(, device_config) device_configs =
2486 QTAILQ_HEAD_INITIALIZER(device_configs);
2487
2488 static void add_device_config(int type, const char *cmdline)
2489 {
2490 struct device_config *conf;
2491
2492 conf = g_malloc0(sizeof(*conf));
2493 conf->type = type;
2494 conf->cmdline = cmdline;
2495 loc_save(&conf->loc);
2496 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2497 }
2498
2499 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2500 {
2501 struct device_config *conf;
2502 int rc;
2503
2504 QTAILQ_FOREACH(conf, &device_configs, next) {
2505 if (conf->type != type)
2506 continue;
2507 loc_push_restore(&conf->loc);
2508 rc = func(conf->cmdline);
2509 loc_pop(&conf->loc);
2510 if (rc) {
2511 return rc;
2512 }
2513 }
2514 return 0;
2515 }
2516
2517 static int serial_parse(const char *devname)
2518 {
2519 static int index = 0;
2520 char label[32];
2521
2522 if (strcmp(devname, "none") == 0)
2523 return 0;
2524 if (index == MAX_SERIAL_PORTS) {
2525 fprintf(stderr, "qemu: too many serial ports\n");
2526 exit(1);
2527 }
2528 snprintf(label, sizeof(label), "serial%d", index);
2529 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2530 if (!serial_hds[index]) {
2531 fprintf(stderr, "qemu: could not connect serial device"
2532 " to character backend '%s'\n", devname);
2533 return -1;
2534 }
2535 index++;
2536 return 0;
2537 }
2538
2539 static int parallel_parse(const char *devname)
2540 {
2541 static int index = 0;
2542 char label[32];
2543
2544 if (strcmp(devname, "none") == 0)
2545 return 0;
2546 if (index == MAX_PARALLEL_PORTS) {
2547 fprintf(stderr, "qemu: too many parallel ports\n");
2548 exit(1);
2549 }
2550 snprintf(label, sizeof(label), "parallel%d", index);
2551 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2552 if (!parallel_hds[index]) {
2553 fprintf(stderr, "qemu: could not connect parallel device"
2554 " to character backend '%s'\n", devname);
2555 return -1;
2556 }
2557 index++;
2558 return 0;
2559 }
2560
2561 static int virtcon_parse(const char *devname)
2562 {
2563 QemuOptsList *device = qemu_find_opts("device");
2564 static int index = 0;
2565 char label[32];
2566 QemuOpts *bus_opts, *dev_opts;
2567
2568 if (strcmp(devname, "none") == 0)
2569 return 0;
2570 if (index == MAX_VIRTIO_CONSOLES) {
2571 fprintf(stderr, "qemu: too many virtio consoles\n");
2572 exit(1);
2573 }
2574
2575 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2576 if (arch_type == QEMU_ARCH_S390X) {
2577 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2578 } else {
2579 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2580 }
2581
2582 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2583 qemu_opt_set(dev_opts, "driver", "virtconsole");
2584
2585 snprintf(label, sizeof(label), "virtcon%d", index);
2586 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2587 if (!virtcon_hds[index]) {
2588 fprintf(stderr, "qemu: could not connect virtio console"
2589 " to character backend '%s'\n", devname);
2590 return -1;
2591 }
2592 qemu_opt_set(dev_opts, "chardev", label);
2593
2594 index++;
2595 return 0;
2596 }
2597
2598 static int sclp_parse(const char *devname)
2599 {
2600 QemuOptsList *device = qemu_find_opts("device");
2601 static int index = 0;
2602 char label[32];
2603 QemuOpts *dev_opts;
2604
2605 if (strcmp(devname, "none") == 0) {
2606 return 0;
2607 }
2608 if (index == MAX_SCLP_CONSOLES) {
2609 fprintf(stderr, "qemu: too many sclp consoles\n");
2610 exit(1);
2611 }
2612
2613 assert(arch_type == QEMU_ARCH_S390X);
2614
2615 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2616 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2617
2618 snprintf(label, sizeof(label), "sclpcon%d", index);
2619 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2620 if (!sclp_hds[index]) {
2621 fprintf(stderr, "qemu: could not connect sclp console"
2622 " to character backend '%s'\n", devname);
2623 return -1;
2624 }
2625 qemu_opt_set(dev_opts, "chardev", label);
2626
2627 index++;
2628 return 0;
2629 }
2630
2631 static int debugcon_parse(const char *devname)
2632 {
2633 QemuOpts *opts;
2634
2635 if (!qemu_chr_new("debugcon", devname, NULL)) {
2636 exit(1);
2637 }
2638 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2639 if (!opts) {
2640 fprintf(stderr, "qemu: already have a debugcon device\n");
2641 exit(1);
2642 }
2643 qemu_opt_set(opts, "driver", "isa-debugcon");
2644 qemu_opt_set(opts, "chardev", "debugcon");
2645 return 0;
2646 }
2647
2648 static MachineClass *machine_parse(const char *name)
2649 {
2650 MachineClass *mc = NULL;
2651 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2652
2653 if (name) {
2654 mc = find_machine(name);
2655 }
2656 if (mc) {
2657 return mc;
2658 }
2659 if (name && !is_help_option(name)) {
2660 error_report("Unsupported machine type");
2661 error_printf("Use -machine help to list supported machines!\n");
2662 } else {
2663 printf("Supported machines are:\n");
2664 for (el = machines; el; el = el->next) {
2665 MachineClass *mc = el->data;
2666 if (mc->alias) {
2667 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2668 }
2669 printf("%-20s %s%s\n", mc->name, mc->desc,
2670 mc->is_default ? " (default)" : "");
2671 }
2672 }
2673
2674 g_slist_free(machines);
2675 exit(!name || !is_help_option(name));
2676 }
2677
2678 static int tcg_init(MachineClass *mc)
2679 {
2680 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2681 return 0;
2682 }
2683
2684 static struct {
2685 const char *opt_name;
2686 const char *name;
2687 int (*available)(void);
2688 int (*init)(MachineClass *mc);
2689 bool *allowed;
2690 } accel_list[] = {
2691 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2692 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2693 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2694 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2695 };
2696
2697 static int configure_accelerator(MachineClass *mc)
2698 {
2699 const char *p;
2700 char buf[10];
2701 int i, ret;
2702 bool accel_initialised = false;
2703 bool init_failed = false;
2704
2705 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2706 if (p == NULL) {
2707 /* Use the default "accelerator", tcg */
2708 p = "tcg";
2709 }
2710
2711 while (!accel_initialised && *p != '\0') {
2712 if (*p == ':') {
2713 p++;
2714 }
2715 p = get_opt_name(buf, sizeof (buf), p, ':');
2716 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2717 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2718 if (!accel_list[i].available()) {
2719 printf("%s not supported for this target\n",
2720 accel_list[i].name);
2721 break;
2722 }
2723 *(accel_list[i].allowed) = true;
2724 ret = accel_list[i].init(mc);
2725 if (ret < 0) {
2726 init_failed = true;
2727 fprintf(stderr, "failed to initialize %s: %s\n",
2728 accel_list[i].name,
2729 strerror(-ret));
2730 *(accel_list[i].allowed) = false;
2731 } else {
2732 accel_initialised = true;
2733 }
2734 break;
2735 }
2736 }
2737 if (i == ARRAY_SIZE(accel_list)) {
2738 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2739 }
2740 }
2741
2742 if (!accel_initialised) {
2743 if (!init_failed) {
2744 fprintf(stderr, "No accelerator found!\n");
2745 }
2746 exit(1);
2747 }
2748
2749 if (init_failed) {
2750 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2751 }
2752
2753 return !accel_initialised;
2754 }
2755
2756 void qemu_add_exit_notifier(Notifier *notify)
2757 {
2758 notifier_list_add(&exit_notifiers, notify);
2759 }
2760
2761 void qemu_remove_exit_notifier(Notifier *notify)
2762 {
2763 notifier_remove(notify);
2764 }
2765
2766 static void qemu_run_exit_notifiers(void)
2767 {
2768 notifier_list_notify(&exit_notifiers, NULL);
2769 }
2770
2771 void qemu_add_machine_init_done_notifier(Notifier *notify)
2772 {
2773 notifier_list_add(&machine_init_done_notifiers, notify);
2774 }
2775
2776 static void qemu_run_machine_init_done_notifiers(void)
2777 {
2778 notifier_list_notify(&machine_init_done_notifiers, NULL);
2779 }
2780
2781 static const QEMUOption *lookup_opt(int argc, char **argv,
2782 const char **poptarg, int *poptind)
2783 {
2784 const QEMUOption *popt;
2785 int optind = *poptind;
2786 char *r = argv[optind];
2787 const char *optarg;
2788
2789 loc_set_cmdline(argv, optind, 1);
2790 optind++;
2791 /* Treat --foo the same as -foo. */
2792 if (r[1] == '-')
2793 r++;
2794 popt = qemu_options;
2795 for(;;) {
2796 if (!popt->name) {
2797 error_report("invalid option");
2798 exit(1);
2799 }
2800 if (!strcmp(popt->name, r + 1))
2801 break;
2802 popt++;
2803 }
2804 if (popt->flags & HAS_ARG) {
2805 if (optind >= argc) {
2806 error_report("requires an argument");
2807 exit(1);
2808 }
2809 optarg = argv[optind++];
2810 loc_set_cmdline(argv, optind - 2, 2);
2811 } else {
2812 optarg = NULL;
2813 }
2814
2815 *poptarg = optarg;
2816 *poptind = optind;
2817
2818 return popt;
2819 }
2820
2821 static gpointer malloc_and_trace(gsize n_bytes)
2822 {
2823 void *ptr = malloc(n_bytes);
2824 trace_g_malloc(n_bytes, ptr);
2825 return ptr;
2826 }
2827
2828 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2829 {
2830 void *ptr = realloc(mem, n_bytes);
2831 trace_g_realloc(mem, n_bytes, ptr);
2832 return ptr;
2833 }
2834
2835 static void free_and_trace(gpointer mem)
2836 {
2837 trace_g_free(mem);
2838 free(mem);
2839 }
2840
2841 static int machine_set_property(const char *name, const char *value,
2842 void *opaque)
2843 {
2844 Object *obj = OBJECT(opaque);
2845 StringInputVisitor *siv;
2846 Error *local_err = NULL;
2847 char *c, *qom_name;
2848
2849 if (strcmp(name, "type") == 0) {
2850 return 0;
2851 }
2852
2853 qom_name = g_strdup(name);
2854 c = qom_name;
2855 while (*c++) {
2856 if (*c == '_') {
2857 *c = '-';
2858 }
2859 }
2860
2861 siv = string_input_visitor_new(value);
2862 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2863 string_input_visitor_cleanup(siv);
2864 g_free(qom_name);
2865
2866 if (local_err) {
2867 qerror_report_err(local_err);
2868 error_free(local_err);
2869 return -1;
2870 }
2871
2872 return 0;
2873 }
2874
2875 static int object_create(QemuOpts *opts, void *opaque)
2876 {
2877 Error *err = NULL;
2878 char *type = NULL;
2879 char *id = NULL;
2880 void *dummy = NULL;
2881 OptsVisitor *ov;
2882 QDict *pdict;
2883
2884 ov = opts_visitor_new(opts);
2885 pdict = qemu_opts_to_qdict(opts, NULL);
2886
2887 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2888 if (err) {
2889 goto out;
2890 }
2891
2892 qdict_del(pdict, "qom-type");
2893 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2894 if (err) {
2895 goto out;
2896 }
2897
2898 qdict_del(pdict, "id");
2899 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2900 if (err) {
2901 goto out;
2902 }
2903
2904 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2905 if (err) {
2906 goto out;
2907 }
2908 visit_end_struct(opts_get_visitor(ov), &err);
2909 if (err) {
2910 qmp_object_del(id, NULL);
2911 }
2912
2913 out:
2914 opts_visitor_cleanup(ov);
2915
2916 QDECREF(pdict);
2917 g_free(id);
2918 g_free(type);
2919 g_free(dummy);
2920 if (err) {
2921 qerror_report_err(err);
2922 error_free(err);
2923 return -1;
2924 }
2925 return 0;
2926 }
2927
2928 int main(int argc, char **argv, char **envp)
2929 {
2930 int i;
2931 int snapshot, linux_boot;
2932 const char *initrd_filename;
2933 const char *kernel_filename, *kernel_cmdline;
2934 const char *boot_order;
2935 DisplayState *ds;
2936 int cyls, heads, secs, translation;
2937 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2938 QemuOptsList *olist;
2939 int optind;
2940 const char *optarg;
2941 const char *loadvm = NULL;
2942 MachineClass *machine_class;
2943 const char *cpu_model;
2944 const char *vga_model = NULL;
2945 const char *qtest_chrdev = NULL;
2946 const char *qtest_log = NULL;
2947 const char *pid_file = NULL;
2948 const char *incoming = NULL;
2949 #ifdef CONFIG_VNC
2950 int show_vnc_port = 0;
2951 #endif
2952 bool defconfig = true;
2953 bool userconfig = true;
2954 const char *log_mask = NULL;
2955 const char *log_file = NULL;
2956 GMemVTable mem_trace = {
2957 .malloc = malloc_and_trace,
2958 .realloc = realloc_and_trace,
2959 .free = free_and_trace,
2960 };
2961 const char *trace_events = NULL;
2962 const char *trace_file = NULL;
2963 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2964 1024 * 1024;
2965 ram_addr_t maxram_size = default_ram_size;
2966 uint64_t ram_slots = 0;
2967 FILE *vmstate_dump_file = NULL;
2968 Error *main_loop_err = NULL;
2969
2970 atexit(qemu_run_exit_notifiers);
2971 error_set_progname(argv[0]);
2972 qemu_init_exec_dir(argv[0]);
2973
2974 g_mem_set_vtable(&mem_trace);
2975
2976 module_call_init(MODULE_INIT_QOM);
2977
2978 qemu_add_opts(&qemu_drive_opts);
2979 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2980 qemu_add_drive_opts(&qemu_common_drive_opts);
2981 qemu_add_drive_opts(&qemu_drive_opts);
2982 qemu_add_opts(&qemu_chardev_opts);
2983 qemu_add_opts(&qemu_device_opts);
2984 qemu_add_opts(&qemu_netdev_opts);
2985 qemu_add_opts(&qemu_net_opts);
2986 qemu_add_opts(&qemu_rtc_opts);
2987 qemu_add_opts(&qemu_global_opts);
2988 qemu_add_opts(&qemu_mon_opts);
2989 qemu_add_opts(&qemu_trace_opts);
2990 qemu_add_opts(&qemu_option_rom_opts);
2991 qemu_add_opts(&qemu_machine_opts);
2992 qemu_add_opts(&qemu_mem_opts);
2993 qemu_add_opts(&qemu_smp_opts);
2994 qemu_add_opts(&qemu_boot_opts);
2995 qemu_add_opts(&qemu_sandbox_opts);
2996 qemu_add_opts(&qemu_add_fd_opts);
2997 qemu_add_opts(&qemu_object_opts);
2998 qemu_add_opts(&qemu_tpmdev_opts);
2999 qemu_add_opts(&qemu_realtime_opts);
3000 qemu_add_opts(&qemu_msg_opts);
3001 qemu_add_opts(&qemu_name_opts);
3002 qemu_add_opts(&qemu_numa_opts);
3003 qemu_add_opts(&qemu_icount_opts);
3004
3005 runstate_init();
3006
3007 rtc_clock = QEMU_CLOCK_HOST;
3008
3009 QLIST_INIT (&vm_change_state_head);
3010 os_setup_early_signal_handling();
3011
3012 module_call_init(MODULE_INIT_MACHINE);
3013 machine_class = find_default_machine();
3014 cpu_model = NULL;
3015 ram_size = default_ram_size;
3016 snapshot = 0;
3017 cyls = heads = secs = 0;
3018 translation = BIOS_ATA_TRANSLATION_AUTO;
3019
3020 for (i = 0; i < MAX_NODES; i++) {
3021 numa_info[i].node_mem = 0;
3022 numa_info[i].present = false;
3023 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3024 }
3025
3026 nb_numa_nodes = 0;
3027 max_numa_nodeid = 0;
3028 nb_nics = 0;
3029
3030 bdrv_init_with_whitelist();
3031
3032 autostart = 1;
3033
3034 /* first pass of option parsing */
3035 optind = 1;
3036 while (optind < argc) {
3037 if (argv[optind][0] != '-') {
3038 /* disk image */
3039 optind++;
3040 } else {
3041 const QEMUOption *popt;
3042
3043 popt = lookup_opt(argc, argv, &optarg, &optind);
3044 switch (popt->index) {
3045 case QEMU_OPTION_nodefconfig:
3046 defconfig = false;
3047 break;
3048 case QEMU_OPTION_nouserconfig:
3049 userconfig = false;
3050 break;
3051 }
3052 }
3053 }
3054
3055 if (defconfig) {
3056 int ret;
3057 ret = qemu_read_default_config_files(userconfig);
3058 if (ret < 0) {
3059 exit(1);
3060 }
3061 }
3062
3063 /* second pass of option parsing */
3064 optind = 1;
3065 for(;;) {
3066 if (optind >= argc)
3067 break;
3068 if (argv[optind][0] != '-') {
3069 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3070 } else {
3071 const QEMUOption *popt;
3072
3073 popt = lookup_opt(argc, argv, &optarg, &optind);
3074 if (!(popt->arch_mask & arch_type)) {
3075 printf("Option %s not supported for this target\n", popt->name);
3076 exit(1);
3077 }
3078 switch(popt->index) {
3079 case QEMU_OPTION_M:
3080 machine_class = machine_parse(optarg);
3081 break;
3082 case QEMU_OPTION_no_kvm_irqchip: {
3083 olist = qemu_find_opts("machine");
3084 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3085 break;
3086 }
3087 case QEMU_OPTION_cpu:
3088 /* hw initialization will check this */
3089 cpu_model = optarg;
3090 break;
3091 case QEMU_OPTION_hda:
3092 {
3093 char buf[256];
3094 if (cyls == 0)
3095 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3096 else
3097 snprintf(buf, sizeof(buf),
3098 "%s,cyls=%d,heads=%d,secs=%d%s",
3099 HD_OPTS , cyls, heads, secs,
3100 translation == BIOS_ATA_TRANSLATION_LBA ?
3101 ",trans=lba" :
3102 translation == BIOS_ATA_TRANSLATION_NONE ?
3103 ",trans=none" : "");
3104 drive_add(IF_DEFAULT, 0, optarg, buf);
3105 break;
3106 }
3107 case QEMU_OPTION_hdb:
3108 case QEMU_OPTION_hdc:
3109 case QEMU_OPTION_hdd:
3110 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3111 HD_OPTS);
3112 break;
3113 case QEMU_OPTION_drive:
3114 if (drive_def(optarg) == NULL) {
3115 exit(1);
3116 }
3117 break;
3118 case QEMU_OPTION_set:
3119 if (qemu_set_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_global:
3123 if (qemu_global_option(optarg) != 0)
3124 exit(1);
3125 break;
3126 case QEMU_OPTION_mtdblock:
3127 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3128 break;
3129 case QEMU_OPTION_sd:
3130 drive_add(IF_SD, -1, optarg, SD_OPTS);
3131 break;
3132 case QEMU_OPTION_pflash:
3133 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3134 break;
3135 case QEMU_OPTION_snapshot:
3136 snapshot = 1;
3137 break;
3138 case QEMU_OPTION_hdachs:
3139 {
3140 const char *p;
3141 p = optarg;
3142 cyls = strtol(p, (char **)&p, 0);
3143 if (cyls < 1 || cyls > 16383)
3144 goto chs_fail;
3145 if (*p != ',')
3146 goto chs_fail;
3147 p++;
3148 heads = strtol(p, (char **)&p, 0);
3149 if (heads < 1 || heads > 16)
3150 goto chs_fail;
3151 if (*p != ',')
3152 goto chs_fail;
3153 p++;
3154 secs = strtol(p, (char **)&p, 0);
3155 if (secs < 1 || secs > 63)
3156 goto chs_fail;
3157 if (*p == ',') {
3158 p++;
3159 if (!strcmp(p, "large")) {
3160 translation = BIOS_ATA_TRANSLATION_LARGE;
3161 } else if (!strcmp(p, "rechs")) {
3162 translation = BIOS_ATA_TRANSLATION_RECHS;
3163 } else if (!strcmp(p, "none")) {
3164 translation = BIOS_ATA_TRANSLATION_NONE;
3165 } else if (!strcmp(p, "lba")) {
3166 translation = BIOS_ATA_TRANSLATION_LBA;
3167 } else if (!strcmp(p, "auto")) {
3168 translation = BIOS_ATA_TRANSLATION_AUTO;
3169 } else {
3170 goto chs_fail;
3171 }
3172 } else if (*p != '\0') {
3173 chs_fail:
3174 fprintf(stderr, "qemu: invalid physical CHS format\n");
3175 exit(1);
3176 }
3177 if (hda_opts != NULL) {
3178 char num[16];
3179 snprintf(num, sizeof(num), "%d", cyls);
3180 qemu_opt_set(hda_opts, "cyls", num);
3181 snprintf(num, sizeof(num), "%d", heads);
3182 qemu_opt_set(hda_opts, "heads", num);
3183 snprintf(num, sizeof(num), "%d", secs);
3184 qemu_opt_set(hda_opts, "secs", num);
3185 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3186 qemu_opt_set(hda_opts, "trans", "large");
3187 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3188 qemu_opt_set(hda_opts, "trans", "rechs");
3189 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3190 qemu_opt_set(hda_opts, "trans", "lba");
3191 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3192 qemu_opt_set(hda_opts, "trans", "none");
3193 }
3194 }
3195 }
3196 break;
3197 case QEMU_OPTION_numa:
3198 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3199 if (!opts) {
3200 exit(1);
3201 }
3202 break;
3203 case QEMU_OPTION_display:
3204 display_type = select_display(optarg);
3205 break;
3206 case QEMU_OPTION_nographic:
3207 display_type = DT_NOGRAPHIC;
3208 break;
3209 case QEMU_OPTION_curses:
3210 #ifdef CONFIG_CURSES
3211 display_type = DT_CURSES;
3212 #else
3213 fprintf(stderr, "Curses support is disabled\n");
3214 exit(1);
3215 #endif
3216 break;
3217 case QEMU_OPTION_portrait:
3218 graphic_rotate = 90;
3219 break;
3220 case QEMU_OPTION_rotate:
3221 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3222 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3223 graphic_rotate != 180 && graphic_rotate != 270) {
3224 fprintf(stderr,
3225 "qemu: only 90, 180, 270 deg rotation is available\n");
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_kernel:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3231 break;
3232 case QEMU_OPTION_initrd:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3234 break;
3235 case QEMU_OPTION_append:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3237 break;
3238 case QEMU_OPTION_dtb:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3240 break;
3241 case QEMU_OPTION_cdrom:
3242 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3243 break;
3244 case QEMU_OPTION_boot:
3245 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3246 if (!opts) {
3247 exit(1);
3248 }
3249 break;
3250 case QEMU_OPTION_fda:
3251 case QEMU_OPTION_fdb:
3252 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3253 optarg, FD_OPTS);
3254 break;
3255 case QEMU_OPTION_no_fd_bootchk:
3256 fd_bootchk = 0;
3257 break;
3258 case QEMU_OPTION_netdev:
3259 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3260 exit(1);
3261 }
3262 break;
3263 case QEMU_OPTION_net:
3264 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3265 exit(1);
3266 }
3267 break;
3268 #ifdef CONFIG_LIBISCSI
3269 case QEMU_OPTION_iscsi:
3270 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3271 if (!opts) {
3272 exit(1);
3273 }
3274 break;
3275 #endif
3276 #ifdef CONFIG_SLIRP
3277 case QEMU_OPTION_tftp:
3278 legacy_tftp_prefix = optarg;
3279 break;
3280 case QEMU_OPTION_bootp:
3281 legacy_bootp_filename = optarg;
3282 break;
3283 case QEMU_OPTION_redir:
3284 if (net_slirp_redir(optarg) < 0)
3285 exit(1);
3286 break;
3287 #endif
3288 case QEMU_OPTION_bt:
3289 add_device_config(DEV_BT, optarg);
3290 break;
3291 case QEMU_OPTION_audio_help:
3292 AUD_help ();
3293 exit (0);
3294 break;
3295 case QEMU_OPTION_soundhw:
3296 select_soundhw (optarg);
3297 break;
3298 case QEMU_OPTION_h:
3299 help(0);
3300 break;
3301 case QEMU_OPTION_version:
3302 version();
3303 exit(0);
3304 break;
3305 case QEMU_OPTION_m: {
3306 uint64_t sz;
3307 const char *mem_str;
3308 const char *maxmem_str, *slots_str;
3309
3310 opts = qemu_opts_parse(qemu_find_opts("memory"),
3311 optarg, 1);
3312 if (!opts) {
3313 exit(EXIT_FAILURE);
3314 }
3315
3316 mem_str = qemu_opt_get(opts, "size");
3317 if (!mem_str) {
3318 error_report("invalid -m option, missing 'size' option");
3319 exit(EXIT_FAILURE);
3320 }
3321 if (!*mem_str) {
3322 error_report("missing 'size' option value");
3323 exit(EXIT_FAILURE);
3324 }
3325
3326 sz = qemu_opt_get_size(opts, "size", ram_size);
3327
3328 /* Fix up legacy suffix-less format */
3329 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3330 uint64_t overflow_check = sz;
3331
3332 sz <<= 20;
3333 if ((sz >> 20) != overflow_check) {
3334 error_report("too large 'size' option value");
3335 exit(EXIT_FAILURE);
3336 }
3337 }
3338
3339 /* backward compatibility behaviour for case "-m 0" */
3340 if (sz == 0) {
3341 sz = default_ram_size;
3342 }
3343
3344 sz = QEMU_ALIGN_UP(sz, 8192);
3345 ram_size = sz;
3346 if (ram_size != sz) {
3347 error_report("ram size too large");
3348 exit(EXIT_FAILURE);
3349 }
3350 maxram_size = ram_size;
3351
3352 maxmem_str = qemu_opt_get(opts, "maxmem");
3353 slots_str = qemu_opt_get(opts, "slots");
3354 if (maxmem_str && slots_str) {
3355 uint64_t slots;
3356
3357 sz = qemu_opt_get_size(opts, "maxmem", 0);
3358 if (sz < ram_size) {
3359 error_report("invalid -m option value: maxmem "
3360 "(0x%" PRIx64 ") <= initial memory (0x"
3361 RAM_ADDR_FMT ")", sz, ram_size);
3362 exit(EXIT_FAILURE);
3363 }
3364
3365 slots = qemu_opt_get_number(opts, "slots", 0);
3366 if ((sz > ram_size) && !slots) {
3367 error_report("invalid -m option value: maxmem "
3368 "(0x%" PRIx64 ") more than initial memory (0x"
3369 RAM_ADDR_FMT ") but no hotplug slots where "
3370 "specified", sz, ram_size);
3371 exit(EXIT_FAILURE);
3372 }
3373
3374 if ((sz <= ram_size) && slots) {
3375 error_report("invalid -m option value: %"
3376 PRIu64 " hotplug slots where specified but "
3377 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3378 RAM_ADDR_FMT ")", slots, sz, ram_size);
3379 exit(EXIT_FAILURE);
3380 }
3381 maxram_size = sz;
3382 ram_slots = slots;
3383 } else if ((!maxmem_str && slots_str) ||
3384 (maxmem_str && !slots_str)) {
3385 error_report("invalid -m option value: missing "
3386 "'%s' option", slots_str ? "maxmem" : "slots");
3387 exit(EXIT_FAILURE);
3388 }
3389 break;
3390 }
3391 #ifdef CONFIG_TPM
3392 case QEMU_OPTION_tpmdev:
3393 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3394 exit(1);
3395 }
3396 break;
3397 #endif
3398 case QEMU_OPTION_mempath:
3399 mem_path = optarg;
3400 break;
3401 case QEMU_OPTION_mem_prealloc:
3402 mem_prealloc = 1;
3403 break;
3404 case QEMU_OPTION_d:
3405 log_mask = optarg;
3406 break;
3407 case QEMU_OPTION_D:
3408 log_file = optarg;
3409 break;
3410 case QEMU_OPTION_s:
3411 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3412 break;
3413 case QEMU_OPTION_gdb:
3414 add_device_config(DEV_GDB, optarg);
3415 break;
3416 case QEMU_OPTION_L:
3417 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3418 data_dir[data_dir_idx++] = optarg;
3419 }
3420 break;
3421 case QEMU_OPTION_bios:
3422 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3423 break;
3424 case QEMU_OPTION_singlestep:
3425 singlestep = 1;
3426 break;
3427 case QEMU_OPTION_S:
3428 autostart = 0;
3429 break;
3430 case QEMU_OPTION_k:
3431 keyboard_layout = optarg;
3432 break;
3433 case QEMU_OPTION_localtime:
3434 rtc_utc = 0;
3435 break;
3436 case QEMU_OPTION_vga:
3437 vga_model = optarg;
3438 default_vga = 0;
3439 break;
3440 case QEMU_OPTION_g:
3441 {
3442 const char *p;
3443 int w, h, depth;
3444 p = optarg;
3445 w = strtol(p, (char **)&p, 10);
3446 if (w <= 0) {
3447 graphic_error:
3448 fprintf(stderr, "qemu: invalid resolution or depth\n");
3449 exit(1);
3450 }
3451 if (*p != 'x')
3452 goto graphic_error;
3453 p++;
3454 h = strtol(p, (char **)&p, 10);
3455 if (h <= 0)
3456 goto graphic_error;
3457 if (*p == 'x') {
3458 p++;
3459 depth = strtol(p, (char **)&p, 10);
3460 if (depth != 8 && depth != 15 && depth != 16 &&
3461 depth != 24 && depth != 32)
3462 goto graphic_error;
3463 } else if (*p == '\0') {
3464 depth = graphic_depth;
3465 } else {
3466 goto graphic_error;
3467 }
3468
3469 graphic_width = w;
3470 graphic_height = h;
3471 graphic_depth = depth;
3472 }
3473 break;
3474 case QEMU_OPTION_echr:
3475 {
3476 char *r;
3477 term_escape_char = strtol(optarg, &r, 0);
3478 if (r == optarg)
3479 printf("Bad argument to echr\n");
3480 break;
3481 }
3482 case QEMU_OPTION_monitor:
3483 default_monitor = 0;
3484 if (strncmp(optarg, "none", 4)) {
3485 monitor_parse(optarg, "readline");
3486 }
3487 break;
3488 case QEMU_OPTION_qmp:
3489 monitor_parse(optarg, "control");
3490 default_monitor = 0;
3491 break;
3492 case QEMU_OPTION_mon:
3493 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3494 if (!opts) {
3495 exit(1);
3496 }
3497 default_monitor = 0;
3498 break;
3499 case QEMU_OPTION_chardev:
3500 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3501 if (!opts) {
3502 exit(1);
3503 }
3504 break;
3505 case QEMU_OPTION_fsdev:
3506 olist = qemu_find_opts("fsdev");
3507 if (!olist) {
3508 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3509 exit(1);
3510 }
3511 opts = qemu_opts_parse(olist, optarg, 1);
3512 if (!opts) {
3513 exit(1);
3514 }
3515 break;
3516 case QEMU_OPTION_virtfs: {
3517 QemuOpts *fsdev;
3518 QemuOpts *device;
3519 const char *writeout, *sock_fd, *socket;
3520
3521 olist = qemu_find_opts("virtfs");
3522 if (!olist) {
3523 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3524 exit(1);
3525 }
3526 opts = qemu_opts_parse(olist, optarg, 1);
3527 if (!opts) {
3528 exit(1);
3529 }
3530
3531 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3532 qemu_opt_get(opts, "mount_tag") == NULL) {
3533 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3534 exit(1);
3535 }
3536 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3537 qemu_opt_get(opts, "mount_tag"),
3538 1, NULL);
3539 if (!fsdev) {
3540 fprintf(stderr, "duplicate fsdev id: %s\n",
3541 qemu_opt_get(opts, "mount_tag"));
3542 exit(1);
3543 }
3544
3545 writeout = qemu_opt_get(opts, "writeout");
3546 if (writeout) {
3547 #ifdef CONFIG_SYNC_FILE_RANGE
3548 qemu_opt_set(fsdev, "writeout", writeout);
3549 #else
3550 fprintf(stderr, "writeout=immediate not supported on "
3551 "this platform\n");
3552 exit(1);
3553 #endif
3554 }
3555 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3556 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3557 qemu_opt_set(fsdev, "security_model",
3558 qemu_opt_get(opts, "security_model"));
3559 socket = qemu_opt_get(opts, "socket");
3560 if (socket) {
3561 qemu_opt_set(fsdev, "socket", socket);
3562 }
3563 sock_fd = qemu_opt_get(opts, "sock_fd");
3564 if (sock_fd) {
3565 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3566 }
3567
3568 qemu_opt_set_bool(fsdev, "readonly",
3569 qemu_opt_get_bool(opts, "readonly", 0));
3570 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3571 &error_abort);
3572 qemu_opt_set(device, "driver", "virtio-9p-pci");
3573 qemu_opt_set(device, "fsdev",
3574 qemu_opt_get(opts, "mount_tag"));
3575 qemu_opt_set(device, "mount_tag",
3576 qemu_opt_get(opts, "mount_tag"));
3577 break;
3578 }
3579 case QEMU_OPTION_virtfs_synth: {
3580 QemuOpts *fsdev;
3581 QemuOpts *device;
3582
3583 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3584 1, NULL);
3585 if (!fsdev) {
3586 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3587 exit(1);
3588 }
3589 qemu_opt_set(fsdev, "fsdriver", "synth");
3590
3591 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3592 &error_abort);
3593 qemu_opt_set(device, "driver", "virtio-9p-pci");
3594 qemu_opt_set(device, "fsdev", "v_synth");
3595 qemu_opt_set(device, "mount_tag", "v_synth");
3596 break;
3597 }
3598 case QEMU_OPTION_serial:
3599 add_device_config(DEV_SERIAL, optarg);
3600 default_serial = 0;
3601 if (strncmp(optarg, "mon:", 4) == 0) {
3602 default_monitor = 0;
3603 }
3604 break;
3605 case QEMU_OPTION_watchdog:
3606 if (watchdog) {
3607 fprintf(stderr,
3608 "qemu: only one watchdog option may be given\n");
3609 return 1;
3610 }
3611 watchdog = optarg;
3612 break;
3613 case QEMU_OPTION_watchdog_action:
3614 if (select_watchdog_action(optarg) == -1) {
3615 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3616 exit(1);
3617 }
3618 break;
3619 case QEMU_OPTION_virtiocon:
3620 add_device_config(DEV_VIRTCON, optarg);
3621 default_virtcon = 0;
3622 if (strncmp(optarg, "mon:", 4) == 0) {
3623 default_monitor = 0;
3624 }
3625 break;
3626 case QEMU_OPTION_parallel:
3627 add_device_config(DEV_PARALLEL, optarg);
3628 default_parallel = 0;
3629 if (strncmp(optarg, "mon:", 4) == 0) {
3630 default_monitor = 0;
3631 }
3632 break;
3633 case QEMU_OPTION_debugcon:
3634 add_device_config(DEV_DEBUGCON, optarg);
3635 break;
3636 case QEMU_OPTION_loadvm:
3637 loadvm = optarg;
3638 break;
3639 case QEMU_OPTION_full_screen:
3640 full_screen = 1;
3641 break;
3642 case QEMU_OPTION_no_frame:
3643 no_frame = 1;
3644 break;
3645 case QEMU_OPTION_alt_grab:
3646 alt_grab = 1;
3647 break;
3648 case QEMU_OPTION_ctrl_grab:
3649 ctrl_grab = 1;
3650 break;
3651 case QEMU_OPTION_no_quit:
3652 no_quit = 1;
3653 break;
3654 case QEMU_OPTION_sdl:
3655 #ifdef CONFIG_SDL
3656 display_type = DT_SDL;
3657 break;
3658 #else
3659 fprintf(stderr, "SDL support is disabled\n");
3660 exit(1);
3661 #endif
3662 case QEMU_OPTION_pidfile:
3663 pid_file = optarg;
3664 break;
3665 case QEMU_OPTION_win2k_hack:
3666 win2k_install_hack = 1;
3667 break;
3668 case QEMU_OPTION_rtc_td_hack: {
3669 static GlobalProperty slew_lost_ticks[] = {
3670 {
3671 .driver = "mc146818rtc",
3672 .property = "lost_tick_policy",
3673 .value = "slew",
3674 },
3675 { /* end of list */ }
3676 };
3677
3678 qdev_prop_register_global_list(slew_lost_ticks);
3679 break;
3680 }
3681 case QEMU_OPTION_acpitable:
3682 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3683 if (!opts) {
3684 exit(1);
3685 }
3686 do_acpitable_option(opts);
3687 break;
3688 case QEMU_OPTION_smbios:
3689 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 do_smbios_option(opts);
3694 break;
3695 case QEMU_OPTION_enable_kvm:
3696 olist = qemu_find_opts("machine");
3697 qemu_opts_parse(olist, "accel=kvm", 0);
3698 break;
3699 case QEMU_OPTION_machine:
3700 olist = qemu_find_opts("machine");
3701 opts = qemu_opts_parse(olist, optarg, 1);
3702 if (!opts) {
3703 exit(1);
3704 }
3705 optarg = qemu_opt_get(opts, "type");
3706 if (optarg) {
3707 machine_class = machine_parse(optarg);
3708 }
3709 break;
3710 case QEMU_OPTION_no_kvm:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse(olist, "accel=tcg", 0);
3713 break;
3714 case QEMU_OPTION_no_kvm_pit: {
3715 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3716 "separately.\n");
3717 break;
3718 }
3719 case QEMU_OPTION_no_kvm_pit_reinjection: {
3720 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3721 {
3722 .driver = "kvm-pit",
3723 .property = "lost_tick_policy",
3724 .value = "discard",
3725 },
3726 { /* end of list */ }
3727 };
3728
3729 fprintf(stderr, "Warning: option deprecated, use "
3730 "lost_tick_policy property of kvm-pit instead.\n");
3731 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3732 break;
3733 }
3734 case QEMU_OPTION_usb:
3735 olist = qemu_find_opts("machine");
3736 qemu_opts_parse(olist, "usb=on", 0);
3737 break;
3738 case QEMU_OPTION_usbdevice:
3739 olist = qemu_find_opts("machine");
3740 qemu_opts_parse(olist, "usb=on", 0);
3741 add_device_config(DEV_USB, optarg);
3742 break;
3743 case QEMU_OPTION_device:
3744 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3745 exit(1);
3746 }
3747 break;
3748 case QEMU_OPTION_smp:
3749 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3750 exit(1);
3751 }
3752 break;
3753 case QEMU_OPTION_vnc:
3754 #ifdef CONFIG_VNC
3755 display_remote++;
3756 vnc_display = optarg;
3757 #else
3758 fprintf(stderr, "VNC support is disabled\n");
3759 exit(1);
3760 #endif
3761 break;
3762 case QEMU_OPTION_no_acpi:
3763 acpi_enabled = 0;
3764 break;
3765 case QEMU_OPTION_no_hpet:
3766 no_hpet = 1;
3767 break;
3768 case QEMU_OPTION_balloon:
3769 if (balloon_parse(optarg) < 0) {
3770 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3771 exit(1);
3772 }
3773 break;
3774 case QEMU_OPTION_no_reboot:
3775 no_reboot = 1;
3776 break;
3777 case QEMU_OPTION_no_shutdown:
3778 no_shutdown = 1;
3779 break;
3780 case QEMU_OPTION_show_cursor:
3781 cursor_hide = 0;
3782 break;
3783 case QEMU_OPTION_uuid:
3784 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3785 fprintf(stderr, "Fail to parse UUID string."
3786 " Wrong format.\n");
3787 exit(1);
3788 }
3789 qemu_uuid_set = true;
3790 break;
3791 case QEMU_OPTION_option_rom:
3792 if (nb_option_roms >= MAX_OPTION_ROMS) {
3793 fprintf(stderr, "Too many option ROMs\n");
3794 exit(1);
3795 }
3796 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3797 if (!opts) {
3798 exit(1);
3799 }
3800 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3801 option_rom[nb_option_roms].bootindex =
3802 qemu_opt_get_number(opts, "bootindex", -1);
3803 if (!option_rom[nb_option_roms].name) {
3804 fprintf(stderr, "Option ROM file is not specified\n");
3805 exit(1);
3806 }
3807 nb_option_roms++;
3808 break;
3809 case QEMU_OPTION_semihosting:
3810 semihosting_enabled = 1;
3811 break;
3812 case QEMU_OPTION_tdf:
3813 fprintf(stderr, "Warning: user space PIT time drift fix "
3814 "is no longer supported.\n");
3815 break;
3816 case QEMU_OPTION_name:
3817 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3818 if (!opts) {
3819 exit(1);
3820 }
3821 break;
3822 case QEMU_OPTION_prom_env:
3823 if (nb_prom_envs >= MAX_PROM_ENVS) {
3824 fprintf(stderr, "Too many prom variables\n");
3825 exit(1);
3826 }
3827 prom_envs[nb_prom_envs] = optarg;
3828 nb_prom_envs++;
3829 break;
3830 case QEMU_OPTION_old_param:
3831 old_param = 1;
3832 break;
3833 case QEMU_OPTION_clock:
3834 /* Clock options no longer exist. Keep this option for
3835 * backward compatibility.
3836 */
3837 break;
3838 case QEMU_OPTION_startdate:
3839 configure_rtc_date_offset(optarg, 1);
3840 break;
3841 case QEMU_OPTION_rtc:
3842 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3843 if (!opts) {
3844 exit(1);
3845 }
3846 configure_rtc(opts);
3847 break;
3848 case QEMU_OPTION_tb_size:
3849 tcg_tb_size = strtol(optarg, NULL, 0);
3850 if (tcg_tb_size < 0) {
3851 tcg_tb_size = 0;
3852 }
3853 break;
3854 case QEMU_OPTION_icount:
3855 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3856 optarg, 1);
3857 if (!icount_opts) {
3858 exit(1);
3859 }
3860 break;
3861 case QEMU_OPTION_incoming:
3862 incoming = optarg;
3863 runstate_set(RUN_STATE_INMIGRATE);
3864 break;
3865 case QEMU_OPTION_nodefaults:
3866 has_defaults = 0;
3867 break;
3868 case QEMU_OPTION_xen_domid:
3869 if (!(xen_available())) {
3870 printf("Option %s not supported for this target\n", popt->name);
3871 exit(1);
3872 }
3873 xen_domid = atoi(optarg);
3874 break;
3875 case QEMU_OPTION_xen_create:
3876 if (!(xen_available())) {
3877 printf("Option %s not supported for this target\n", popt->name);
3878 exit(1);
3879 }
3880 xen_mode = XEN_CREATE;
3881 break;
3882 case QEMU_OPTION_xen_attach:
3883 if (!(xen_available())) {
3884 printf("Option %s not supported for this target\n", popt->name);
3885 exit(1);
3886 }
3887 xen_mode = XEN_ATTACH;
3888 break;
3889 case QEMU_OPTION_trace:
3890 {
3891 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 trace_events = qemu_opt_get(opts, "events");
3896 trace_file = qemu_opt_get(opts, "file");
3897 break;
3898 }
3899 case QEMU_OPTION_readconfig:
3900 {
3901 int ret = qemu_read_config_file(optarg);
3902 if (ret < 0) {
3903 fprintf(stderr, "read config %s: %s\n", optarg,
3904 strerror(-ret));
3905 exit(1);
3906 }
3907 break;
3908 }
3909 case QEMU_OPTION_spice:
3910 olist = qemu_find_opts("spice");
3911 if (!olist) {
3912 fprintf(stderr, "spice is not supported by this qemu build.\n");
3913 exit(1);
3914 }
3915 opts = qemu_opts_parse(olist, optarg, 0);
3916 if (!opts) {
3917 exit(1);
3918 }
3919 display_remote++;
3920 break;
3921 case QEMU_OPTION_writeconfig:
3922 {
3923 FILE *fp;
3924 if (strcmp(optarg, "-") == 0) {
3925 fp = stdout;
3926 } else {
3927 fp = fopen(optarg, "w");
3928 if (fp == NULL) {
3929 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3930 exit(1);
3931 }
3932 }
3933 qemu_config_write(fp);
3934 if (fp != stdout) {
3935 fclose(fp);
3936 }
3937 break;
3938 }
3939 case QEMU_OPTION_qtest:
3940 qtest_chrdev = optarg;
3941 break;
3942 case QEMU_OPTION_qtest_log:
3943 qtest_log = optarg;
3944 break;
3945 case QEMU_OPTION_sandbox:
3946 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 break;
3951 case QEMU_OPTION_add_fd:
3952 #ifndef _WIN32
3953 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3954 if (!opts) {
3955 exit(1);
3956 }
3957 #else
3958 error_report("File descriptor passing is disabled on this "
3959 "platform");
3960 exit(1);
3961 #endif
3962 break;
3963 case QEMU_OPTION_object:
3964 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3965 if (!opts) {
3966 exit(1);
3967 }
3968 break;
3969 case QEMU_OPTION_realtime:
3970 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3971 if (!opts) {
3972 exit(1);
3973 }
3974 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3975 break;
3976 case QEMU_OPTION_msg:
3977 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3978 if (!opts) {
3979 exit(1);
3980 }
3981 configure_msg(opts);
3982 break;
3983 case QEMU_OPTION_dump_vmstate:
3984 vmstate_dump_file = fopen(optarg, "w");
3985 if (vmstate_dump_file == NULL) {
3986 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3987 exit(1);
3988 }
3989 break;
3990 default:
3991 os_parse_cmd_args(popt->index, optarg);
3992 }
3993 }
3994 }
3995 loc_set_none();
3996
3997 os_daemonize();
3998
3999 if (qemu_init_main_loop(&main_loop_err)) {
4000 error_report("%s", error_get_pretty(main_loop_err));
4001 exit(1);
4002 }
4003
4004 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4005 exit(1);
4006 }
4007
4008 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4009 exit(1);
4010 }
4011
4012 #ifndef _WIN32
4013 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4014 exit(1);
4015 }
4016
4017 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4018 exit(1);
4019 }
4020 #endif
4021
4022 if (machine_class == NULL) {
4023 fprintf(stderr, "No machine specified, and there is no default.\n"
4024 "Use -machine help to list supported machines!\n");
4025 exit(1);
4026 }
4027
4028 current_machine = MACHINE(object_new(object_class_get_name(
4029 OBJECT_CLASS(machine_class))));
4030 object_property_add_child(object_get_root(), "machine",
4031 OBJECT(current_machine), &error_abort);
4032 cpu_exec_init_all();
4033
4034 if (machine_class->hw_version) {
4035 qemu_set_version(machine_class->hw_version);
4036 }
4037
4038 /* Init CPU def lists, based on config
4039 * - Must be called after all the qemu_read_config_file() calls
4040 * - Must be called before list_cpus()
4041 * - Must be called before machine->init()
4042 */
4043 cpudef_init();
4044
4045 if (cpu_model && is_help_option(cpu_model)) {
4046 list_cpus(stdout, &fprintf, cpu_model);
4047 exit(0);
4048 }
4049
4050 /* Open the logfile at this point, if necessary. We can't open the logfile
4051 * when encountering either of the logging options (-d or -D) because the
4052 * other one may be encountered later on the command line, changing the
4053 * location or level of logging.
4054 */
4055 if (log_mask) {
4056 int mask;
4057 if (log_file) {
4058 qemu_set_log_filename(log_file);
4059 }
4060
4061 mask = qemu_str_to_log_mask(log_mask);
4062 if (!mask) {
4063 qemu_print_log_usage(stdout);
4064 exit(1);
4065 }
4066 qemu_set_log(mask);
4067 }
4068
4069 if (!is_daemonized()) {
4070 if (!trace_init_backends(trace_events, trace_file)) {
4071 exit(1);
4072 }
4073 }
4074
4075 /* If no data_dir is specified then try to find it relative to the
4076 executable path. */
4077 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4078 data_dir[data_dir_idx] = os_find_datadir();
4079 if (data_dir[data_dir_idx] != NULL) {
4080 data_dir_idx++;
4081 }
4082 }
4083 /* If all else fails use the install path specified when building. */
4084 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4085 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4086 }
4087
4088 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4089
4090 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4091 if (smp_cpus > machine_class->max_cpus) {
4092 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4093 "supported by machine `%s' (%d)\n", smp_cpus,
4094 machine_class->name, machine_class->max_cpus);
4095 exit(1);
4096 }
4097
4098 /*
4099 * Get the default machine options from the machine if it is not already
4100 * specified either by the configuration file or by the command line.
4101 */
4102 if (machine_class->default_machine_opts) {
4103 qemu_opts_set_defaults(qemu_find_opts("machine"),
4104 machine_class->default_machine_opts, 0);
4105 }
4106
4107 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4108 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4109
4110 if (!vga_model && !default_vga) {
4111 vga_interface_type = VGA_DEVICE;
4112 }
4113 if (!has_defaults || machine_class->no_serial) {
4114 default_serial = 0;
4115 }
4116 if (!has_defaults || machine_class->no_parallel) {
4117 default_parallel = 0;
4118 }
4119 if (!has_defaults || !machine_class->use_virtcon) {
4120 default_virtcon = 0;
4121 }
4122 if (!has_defaults || !machine_class->use_sclp) {
4123 default_sclp = 0;
4124 }
4125 if (!has_defaults || machine_class->no_floppy) {
4126 default_floppy = 0;
4127 }
4128 if (!has_defaults || machine_class->no_cdrom) {
4129 default_cdrom = 0;
4130 }
4131 if (!has_defaults || machine_class->no_sdcard) {
4132 default_sdcard = 0;
4133 }
4134 if (!has_defaults) {
4135 default_monitor = 0;
4136 default_net = 0;
4137 default_vga = 0;
4138 }
4139
4140 if (is_daemonized()) {
4141 /* According to documentation and historically, -nographic redirects
4142 * serial port, parallel port and monitor to stdio, which does not work
4143 * with -daemonize. We can redirect these to null instead, but since
4144 * -nographic is legacy, let's just error out.
4145 * We disallow -nographic only if all other ports are not redirected
4146 * explicitly, to not break existing legacy setups which uses
4147 * -nographic _and_ redirects all ports explicitly - this is valid
4148 * usage, -nographic is just a no-op in this case.
4149 */
4150 if (display_type == DT_NOGRAPHIC
4151 && (default_parallel || default_serial
4152 || default_monitor || default_virtcon)) {
4153 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4154 exit(1);
4155 }
4156 #ifdef CONFIG_CURSES
4157 if (display_type == DT_CURSES) {
4158 fprintf(stderr, "curses display can not be used with -daemonize\n");
4159 exit(1);
4160 }
4161 #endif
4162 }
4163
4164 if (display_type == DT_NOGRAPHIC) {
4165 if (default_parallel)
4166 add_device_config(DEV_PARALLEL, "null");
4167 if (default_serial && default_monitor) {
4168 add_device_config(DEV_SERIAL, "mon:stdio");
4169 } else if (default_virtcon && default_monitor) {
4170 add_device_config(DEV_VIRTCON, "mon:stdio");
4171 } else if (default_sclp && default_monitor) {
4172 add_device_config(DEV_SCLP, "mon:stdio");
4173 } else {
4174 if (default_serial)
4175 add_device_config(DEV_SERIAL, "stdio");
4176 if (default_virtcon)
4177 add_device_config(DEV_VIRTCON, "stdio");
4178 if (default_sclp) {
4179 add_device_config(DEV_SCLP, "stdio");
4180 }
4181 if (default_monitor)
4182 monitor_parse("stdio", "readline");
4183 }
4184 } else {
4185 if (default_serial)
4186 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4187 if (default_parallel)
4188 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4189 if (default_monitor)
4190 monitor_parse("vc:80Cx24C", "readline");
4191 if (default_virtcon)
4192 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4193 if (default_sclp) {
4194 add_device_config(DEV_SCLP, "vc:80Cx24C");
4195 }
4196 }
4197
4198 if (display_type == DT_DEFAULT && !display_remote) {
4199 #if defined(CONFIG_GTK)
4200 display_type = DT_GTK;
4201 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4202 display_type = DT_SDL;
4203 #elif defined(CONFIG_VNC)
4204 vnc_display = "localhost:0,to=99";
4205 show_vnc_port = 1;
4206 #else
4207 display_type = DT_NONE;
4208 #endif
4209 }
4210
4211 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4212 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4213 "for SDL, ignoring option\n");
4214 }
4215 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4216 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4217 "ignoring option\n");
4218 }
4219
4220 #if defined(CONFIG_GTK)
4221 if (display_type == DT_GTK) {
4222 early_gtk_display_init();
4223 }
4224 #endif
4225
4226 socket_init();
4227
4228 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4229 exit(1);
4230 #ifdef CONFIG_VIRTFS
4231 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4232 exit(1);
4233 }
4234 #endif
4235
4236 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4237 os_pidfile_error();
4238 exit(1);
4239 }
4240
4241 /* store value for the future use */
4242 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4243
4244 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4245 != 0) {
4246 exit(0);
4247 }
4248
4249 if (qemu_opts_foreach(qemu_find_opts("object"),
4250 object_create, NULL, 0) != 0) {
4251 exit(1);
4252 }
4253
4254 machine_opts = qemu_get_machine_opts();
4255 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4256 1) < 0) {
4257 object_unref(OBJECT(current_machine));
4258 exit(1);
4259 }
4260
4261 configure_accelerator(machine_class);
4262
4263 if (qtest_chrdev) {
4264 Error *local_err = NULL;
4265 qtest_init(qtest_chrdev, qtest_log, &local_err);
4266 if (local_err) {
4267 error_report("%s", error_get_pretty(local_err));
4268 error_free(local_err);
4269 exit(1);
4270 }
4271 }
4272
4273 machine_opts = qemu_get_machine_opts();
4274 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4275 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4276 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4277 bios_name = qemu_opt_get(machine_opts, "firmware");
4278
4279 boot_order = machine_class->default_boot_order;
4280 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4281 if (opts) {
4282 char *normal_boot_order;
4283 const char *order, *once;
4284
4285 order = qemu_opt_get(opts, "order");
4286 if (order) {
4287 validate_bootdevices(order);
4288 boot_order = order;
4289 }
4290
4291 once = qemu_opt_get(opts, "once");
4292 if (once) {
4293 validate_bootdevices(once);
4294 normal_boot_order = g_strdup(boot_order);
4295 boot_order = once;
4296 qemu_register_reset(restore_boot_order, normal_boot_order);
4297 }
4298
4299 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4300 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4301 }
4302
4303 if (!kernel_cmdline) {
4304 kernel_cmdline = "";
4305 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4306 }
4307
4308 linux_boot = (kernel_filename != NULL);
4309
4310 if (!linux_boot && *kernel_cmdline != '\0') {
4311 fprintf(stderr, "-append only allowed with -kernel option\n");
4312 exit(1);
4313 }
4314
4315 if (!linux_boot && initrd_filename != NULL) {
4316 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4317 exit(1);
4318 }
4319
4320 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4321 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4322 exit(1);
4323 }
4324
4325 os_set_line_buffering();
4326
4327 qemu_init_cpu_loop();
4328 qemu_mutex_lock_iothread();
4329
4330 #ifdef CONFIG_SPICE
4331 /* spice needs the timers to be initialized by this point */
4332 qemu_spice_init();
4333 #endif
4334
4335 cpu_ticks_init();
4336 if (icount_opts) {
4337 if (kvm_enabled() || xen_enabled()) {
4338 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4339 exit(1);
4340 }
4341 configure_icount(icount_opts, &error_abort);
4342 qemu_opts_del(icount_opts);
4343 }
4344
4345 /* clean up network at qemu process termination */
4346 atexit(&net_cleanup);
4347
4348 if (net_init_clients() < 0) {
4349 exit(1);
4350 }
4351
4352 #ifdef CONFIG_TPM
4353 if (tpm_init() < 0) {
4354 exit(1);
4355 }
4356 #endif
4357
4358 /* init the bluetooth world */
4359 if (foreach_device_config(DEV_BT, bt_parse))
4360 exit(1);
4361
4362 if (!xen_enabled()) {
4363 /* On 32-bit hosts, QEMU is limited by virtual address space */
4364 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4365 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4366 exit(1);
4367 }
4368 }
4369
4370 blk_mig_init();
4371 ram_mig_init();
4372
4373 /* open the virtual block devices */
4374 if (snapshot)
4375 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4376 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4377 &machine_class->block_default_type, 1) != 0) {
4378 exit(1);
4379 }
4380
4381 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4382 CDROM_OPTS);
4383 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4384 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4385
4386 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4387 NULL, 1) != 0) {
4388 exit(1);
4389 }
4390
4391 set_numa_nodes();
4392
4393 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4394 exit(1);
4395 }
4396
4397 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4398 exit(1);
4399 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4400 exit(1);
4401 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4402 exit(1);
4403 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4404 exit(1);
4405 }
4406 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4407 exit(1);
4408
4409 /* If no default VGA is requested, the default is "none". */
4410 if (default_vga) {
4411 if (cirrus_vga_available()) {
4412 vga_model = "cirrus";
4413 } else if (vga_available()) {
4414 vga_model = "std";
4415 }
4416 }
4417 if (vga_model) {
4418 select_vgahw(vga_model);
4419 }
4420
4421 if (watchdog) {
4422 i = select_watchdog(watchdog);
4423 if (i > 0)
4424 exit (i == 1 ? 1 : 0);
4425 }
4426
4427 if (machine_class->compat_props) {
4428 qdev_prop_register_global_list(machine_class->compat_props);
4429 }
4430 qemu_add_globals();
4431
4432 qdev_machine_init();
4433
4434 current_machine->ram_size = ram_size;
4435 current_machine->maxram_size = maxram_size;
4436 current_machine->ram_slots = ram_slots;
4437 current_machine->boot_order = boot_order;
4438 current_machine->cpu_model = cpu_model;
4439
4440 machine_class->init(current_machine);
4441
4442 realtime_init();
4443
4444 audio_init();
4445
4446 cpu_synchronize_all_post_init();
4447
4448 set_numa_modes();
4449
4450 /* init USB devices */
4451 if (usb_enabled(false)) {
4452 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4453 exit(1);
4454 }
4455
4456 /* init generic devices */
4457 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4458 exit(1);
4459
4460 net_check_clients();
4461
4462 ds = init_displaystate();
4463
4464 /* init local displays */
4465 switch (display_type) {
4466 case DT_NOGRAPHIC:
4467 (void)ds; /* avoid warning if no display is configured */
4468 break;
4469 #if defined(CONFIG_CURSES)
4470 case DT_CURSES:
4471 curses_display_init(ds, full_screen);
4472 break;
4473 #endif
4474 #if defined(CONFIG_SDL)
4475 case DT_SDL:
4476 sdl_display_init(ds, full_screen, no_frame);
4477 break;
4478 #elif defined(CONFIG_COCOA)
4479 case DT_SDL:
4480 cocoa_display_init(ds, full_screen);
4481 break;
4482 #endif
4483 #if defined(CONFIG_GTK)
4484 case DT_GTK:
4485 gtk_display_init(ds, full_screen, grab_on_hover);
4486 break;
4487 #endif
4488 default:
4489 break;
4490 }
4491
4492 /* must be after terminal init, SDL library changes signal handlers */
4493 os_setup_signal_handling();
4494
4495 #ifdef CONFIG_VNC
4496 /* init remote displays */
4497 if (vnc_display) {
4498 Error *local_err = NULL;
4499 vnc_display_init(ds);
4500 vnc_display_open(ds, vnc_display, &local_err);
4501 if (local_err != NULL) {
4502 error_report("Failed to start VNC server on `%s': %s",
4503 vnc_display, error_get_pretty(local_err));
4504 error_free(local_err);
4505 exit(1);
4506 }
4507
4508 if (show_vnc_port) {
4509 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4510 }
4511 }
4512 #endif
4513 #ifdef CONFIG_SPICE
4514 if (using_spice) {
4515 qemu_spice_display_init();
4516 }
4517 #endif
4518
4519 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4520 exit(1);
4521 }
4522
4523 qdev_machine_creation_done();
4524
4525 if (rom_load_all() != 0) {
4526 fprintf(stderr, "rom loading failed\n");
4527 exit(1);
4528 }
4529
4530 /* TODO: once all bus devices are qdevified, this should be done
4531 * when bus is created by qdev.c */
4532 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4533 qemu_run_machine_init_done_notifiers();
4534
4535 /* Done notifiers can load ROMs */
4536 rom_load_done();
4537
4538 qemu_system_reset(VMRESET_SILENT);
4539 if (loadvm) {
4540 if (load_vmstate(loadvm) < 0) {
4541 autostart = 0;
4542 }
4543 }
4544
4545 qdev_prop_check_globals();
4546 if (vmstate_dump_file) {
4547 /* dump and exit */
4548 dump_vmstate_json_to_file(vmstate_dump_file);
4549 return 0;
4550 }
4551
4552 if (incoming) {
4553 Error *local_err = NULL;
4554 qemu_start_incoming_migration(incoming, &local_err);
4555 if (local_err) {
4556 error_report("-incoming %s: %s", incoming,
4557 error_get_pretty(local_err));
4558 error_free(local_err);
4559 exit(1);
4560 }
4561 } else if (autostart) {
4562 vm_start();
4563 }
4564
4565 os_setup_post();
4566
4567 if (is_daemonized()) {
4568 if (!trace_init_backends(trace_events, trace_file)) {
4569 exit(1);
4570 }
4571 }
4572
4573 main_loop();
4574 bdrv_close_all();
4575 pause_all_vcpus();
4576 res_free();
4577 #ifdef CONFIG_TPM
4578 tpm_cleanup();
4579 #endif
4580
4581 return 0;
4582 }
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