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blockdev: Allow overriding if_max_dev property
[qemu.git] / vl.c
blob4bc8f97c25a2e300bf856fec177e69fbcc51125b
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 DriveInfo *dinfo;
1173
1174 if (!enable || drive_get_by_index(type, index)) {
1175 return;
1176 }
1177
1178 opts = drive_add(type, index, NULL, optstr);
1179 if (snapshot) {
1180 drive_enable_snapshot(opts, NULL);
1181 }
1182
1183 dinfo = drive_new(opts, type);
1184 if (!dinfo) {
1185 exit(1);
1186 }
1187 dinfo->is_default = true;
1188
1189 }
1190
1191 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1192 {
1193 boot_set_handler = func;
1194 boot_set_opaque = opaque;
1195 }
1196
1197 int qemu_boot_set(const char *boot_order)
1198 {
1199 if (!boot_set_handler) {
1200 return -EINVAL;
1201 }
1202 return boot_set_handler(boot_set_opaque, boot_order);
1203 }
1204
1205 static void validate_bootdevices(const char *devices)
1206 {
1207 /* We just do some generic consistency checks */
1208 const char *p;
1209 int bitmap = 0;
1210
1211 for (p = devices; *p != '\0'; p++) {
1212 /* Allowed boot devices are:
1213 * a-b: floppy disk drives
1214 * c-f: IDE disk drives
1215 * g-m: machine implementation dependent drives
1216 * n-p: network devices
1217 * It's up to each machine implementation to check if the given boot
1218 * devices match the actual hardware implementation and firmware
1219 * features.
1220 */
1221 if (*p < 'a' || *p > 'p') {
1222 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1223 exit(1);
1224 }
1225 if (bitmap & (1 << (*p - 'a'))) {
1226 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1227 exit(1);
1228 }
1229 bitmap |= 1 << (*p - 'a');
1230 }
1231 }
1232
1233 static void restore_boot_order(void *opaque)
1234 {
1235 char *normal_boot_order = opaque;
1236 static int first = 1;
1237
1238 /* Restore boot order and remove ourselves after the first boot */
1239 if (first) {
1240 first = 0;
1241 return;
1242 }
1243
1244 qemu_boot_set(normal_boot_order);
1245
1246 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1247 g_free(normal_boot_order);
1248 }
1249
1250 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1251 const char *suffix)
1252 {
1253 FWBootEntry *node, *i;
1254
1255 if (bootindex < 0) {
1256 return;
1257 }
1258
1259 assert(dev != NULL || suffix != NULL);
1260
1261 node = g_malloc0(sizeof(FWBootEntry));
1262 node->bootindex = bootindex;
1263 node->suffix = g_strdup(suffix);
1264 node->dev = dev;
1265
1266 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1267 if (i->bootindex == bootindex) {
1268 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1269 exit(1);
1270 } else if (i->bootindex < bootindex) {
1271 continue;
1272 }
1273 QTAILQ_INSERT_BEFORE(i, node, link);
1274 return;
1275 }
1276 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1277 }
1278
1279 DeviceState *get_boot_device(uint32_t position)
1280 {
1281 uint32_t counter = 0;
1282 FWBootEntry *i = NULL;
1283 DeviceState *res = NULL;
1284
1285 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1286 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1287 if (counter == position) {
1288 res = i->dev;
1289 break;
1290 }
1291 counter++;
1292 }
1293 }
1294 return res;
1295 }
1296
1297 /*
1298 * This function returns null terminated string that consist of new line
1299 * separated device paths.
1300 *
1301 * memory pointed by "size" is assigned total length of the array in bytes
1302 *
1303 */
1304 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1305 {
1306 FWBootEntry *i;
1307 size_t total = 0;
1308 char *list = NULL;
1309
1310 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1311 char *devpath = NULL, *bootpath;
1312 size_t len;
1313
1314 if (i->dev) {
1315 devpath = qdev_get_fw_dev_path(i->dev);
1316 assert(devpath);
1317 }
1318
1319 if (i->suffix && !ignore_suffixes && devpath) {
1320 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1321
1322 bootpath = g_malloc(bootpathlen);
1323 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1324 g_free(devpath);
1325 } else if (devpath) {
1326 bootpath = devpath;
1327 } else if (!ignore_suffixes) {
1328 assert(i->suffix);
1329 bootpath = g_strdup(i->suffix);
1330 } else {
1331 bootpath = g_strdup("");
1332 }
1333
1334 if (total) {
1335 list[total-1] = '\n';
1336 }
1337 len = strlen(bootpath) + 1;
1338 list = g_realloc(list, total + len);
1339 memcpy(&list[total], bootpath, len);
1340 total += len;
1341 g_free(bootpath);
1342 }
1343
1344 *size = total;
1345
1346 if (boot_strict && *size > 0) {
1347 list[total-1] = '\n';
1348 list = g_realloc(list, total + 5);
1349 memcpy(&list[total], "HALT", 5);
1350 *size = total + 5;
1351 }
1352 return list;
1353 }
1354
1355 static QemuOptsList qemu_smp_opts = {
1356 .name = "smp-opts",
1357 .implied_opt_name = "cpus",
1358 .merge_lists = true,
1359 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1360 .desc = {
1361 {
1362 .name = "cpus",
1363 .type = QEMU_OPT_NUMBER,
1364 }, {
1365 .name = "sockets",
1366 .type = QEMU_OPT_NUMBER,
1367 }, {
1368 .name = "cores",
1369 .type = QEMU_OPT_NUMBER,
1370 }, {
1371 .name = "threads",
1372 .type = QEMU_OPT_NUMBER,
1373 }, {
1374 .name = "maxcpus",
1375 .type = QEMU_OPT_NUMBER,
1376 },
1377 { /*End of list */ }
1378 },
1379 };
1380
1381 static void smp_parse(QemuOpts *opts)
1382 {
1383 if (opts) {
1384
1385 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1386 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1387 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1388 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1389
1390 /* compute missing values, prefer sockets over cores over threads */
1391 if (cpus == 0 || sockets == 0) {
1392 sockets = sockets > 0 ? sockets : 1;
1393 cores = cores > 0 ? cores : 1;
1394 threads = threads > 0 ? threads : 1;
1395 if (cpus == 0) {
1396 cpus = cores * threads * sockets;
1397 }
1398 } else {
1399 if (cores == 0) {
1400 threads = threads > 0 ? threads : 1;
1401 cores = cpus / (sockets * threads);
1402 } else {
1403 threads = cpus / (cores * sockets);
1404 }
1405 }
1406
1407 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1408
1409 smp_cpus = cpus;
1410 smp_cores = cores > 0 ? cores : 1;
1411 smp_threads = threads > 0 ? threads : 1;
1412
1413 }
1414
1415 if (max_cpus == 0) {
1416 max_cpus = smp_cpus;
1417 }
1418
1419 if (max_cpus > MAX_CPUMASK_BITS) {
1420 fprintf(stderr, "Unsupported number of maxcpus\n");
1421 exit(1);
1422 }
1423 if (max_cpus < smp_cpus) {
1424 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1425 exit(1);
1426 }
1427
1428 }
1429
1430 static void realtime_init(void)
1431 {
1432 if (enable_mlock) {
1433 if (os_mlock() < 0) {
1434 fprintf(stderr, "qemu: locking memory failed\n");
1435 exit(1);
1436 }
1437 }
1438 }
1439
1440
1441 static void configure_msg(QemuOpts *opts)
1442 {
1443 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1444 }
1445
1446 /***********************************************************/
1447 /* USB devices */
1448
1449 static int usb_device_add(const char *devname)
1450 {
1451 USBDevice *dev = NULL;
1452 #ifndef CONFIG_LINUX
1453 const char *p;
1454 #endif
1455
1456 if (!usb_enabled(false)) {
1457 return -1;
1458 }
1459
1460 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1461 dev = usbdevice_create(devname);
1462 if (dev)
1463 goto done;
1464
1465 /* the other ones */
1466 #ifndef CONFIG_LINUX
1467 /* only the linux version is qdev-ified, usb-bsd still needs this */
1468 if (strstart(devname, "host:", &p)) {
1469 dev = usb_host_device_open(usb_bus_find(-1), p);
1470 }
1471 #endif
1472 if (!dev)
1473 return -1;
1474
1475 done:
1476 return 0;
1477 }
1478
1479 static int usb_device_del(const char *devname)
1480 {
1481 int bus_num, addr;
1482 const char *p;
1483
1484 if (strstart(devname, "host:", &p)) {
1485 return -1;
1486 }
1487
1488 if (!usb_enabled(false)) {
1489 return -1;
1490 }
1491
1492 p = strchr(devname, '.');
1493 if (!p)
1494 return -1;
1495 bus_num = strtoul(devname, NULL, 0);
1496 addr = strtoul(p + 1, NULL, 0);
1497
1498 return usb_device_delete_addr(bus_num, addr);
1499 }
1500
1501 static int usb_parse(const char *cmdline)
1502 {
1503 int r;
1504 r = usb_device_add(cmdline);
1505 if (r < 0) {
1506 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1507 }
1508 return r;
1509 }
1510
1511 void do_usb_add(Monitor *mon, const QDict *qdict)
1512 {
1513 const char *devname = qdict_get_str(qdict, "devname");
1514 if (usb_device_add(devname) < 0) {
1515 error_report("could not add USB device '%s'", devname);
1516 }
1517 }
1518
1519 void do_usb_del(Monitor *mon, const QDict *qdict)
1520 {
1521 const char *devname = qdict_get_str(qdict, "devname");
1522 if (usb_device_del(devname) < 0) {
1523 error_report("could not delete USB device '%s'", devname);
1524 }
1525 }
1526
1527 /***********************************************************/
1528 /* PCMCIA/Cardbus */
1529
1530 static struct pcmcia_socket_entry_s {
1531 PCMCIASocket *socket;
1532 struct pcmcia_socket_entry_s *next;
1533 } *pcmcia_sockets = 0;
1534
1535 void pcmcia_socket_register(PCMCIASocket *socket)
1536 {
1537 struct pcmcia_socket_entry_s *entry;
1538
1539 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1540 entry->socket = socket;
1541 entry->next = pcmcia_sockets;
1542 pcmcia_sockets = entry;
1543 }
1544
1545 void pcmcia_socket_unregister(PCMCIASocket *socket)
1546 {
1547 struct pcmcia_socket_entry_s *entry, **ptr;
1548
1549 ptr = &pcmcia_sockets;
1550 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1551 if (entry->socket == socket) {
1552 *ptr = entry->next;
1553 g_free(entry);
1554 }
1555 }
1556
1557 void pcmcia_info(Monitor *mon, const QDict *qdict)
1558 {
1559 struct pcmcia_socket_entry_s *iter;
1560
1561 if (!pcmcia_sockets)
1562 monitor_printf(mon, "No PCMCIA sockets\n");
1563
1564 for (iter = pcmcia_sockets; iter; iter = iter->next)
1565 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1566 iter->socket->attached ? iter->socket->card_string :
1567 "Empty");
1568 }
1569
1570 /***********************************************************/
1571 /* machine registration */
1572
1573 MachineState *current_machine;
1574
1575 static void machine_class_init(ObjectClass *oc, void *data)
1576 {
1577 MachineClass *mc = MACHINE_CLASS(oc);
1578 QEMUMachine *qm = data;
1579
1580 mc->name = qm->name;
1581 mc->alias = qm->alias;
1582 mc->desc = qm->desc;
1583 mc->init = qm->init;
1584 mc->reset = qm->reset;
1585 mc->hot_add_cpu = qm->hot_add_cpu;
1586 mc->kvm_type = qm->kvm_type;
1587 mc->block_default_type = qm->block_default_type;
1588 mc->max_cpus = qm->max_cpus;
1589 mc->no_serial = qm->no_serial;
1590 mc->no_parallel = qm->no_parallel;
1591 mc->use_virtcon = qm->use_virtcon;
1592 mc->use_sclp = qm->use_sclp;
1593 mc->no_floppy = qm->no_floppy;
1594 mc->no_cdrom = qm->no_cdrom;
1595 mc->no_sdcard = qm->no_sdcard;
1596 mc->is_default = qm->is_default;
1597 mc->default_machine_opts = qm->default_machine_opts;
1598 mc->default_boot_order = qm->default_boot_order;
1599 mc->compat_props = qm->compat_props;
1600 mc->hw_version = qm->hw_version;
1601 }
1602
1603 int qemu_register_machine(QEMUMachine *m)
1604 {
1605 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1606 TypeInfo ti = {
1607 .name = name,
1608 .parent = TYPE_MACHINE,
1609 .class_init = machine_class_init,
1610 .class_data = (void *)m,
1611 };
1612
1613 type_register(&ti);
1614 g_free(name);
1615
1616 return 0;
1617 }
1618
1619 static MachineClass *find_machine(const char *name)
1620 {
1621 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1622 MachineClass *mc = NULL;
1623
1624 for (el = machines; el; el = el->next) {
1625 MachineClass *temp = el->data;
1626
1627 if (!strcmp(temp->name, name)) {
1628 mc = temp;
1629 break;
1630 }
1631 if (temp->alias &&
1632 !strcmp(temp->alias, name)) {
1633 mc = temp;
1634 break;
1635 }
1636 }
1637
1638 g_slist_free(machines);
1639 return mc;
1640 }
1641
1642 MachineClass *find_default_machine(void)
1643 {
1644 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1645 MachineClass *mc = NULL;
1646
1647 for (el = machines; el; el = el->next) {
1648 MachineClass *temp = el->data;
1649
1650 if (temp->is_default) {
1651 mc = temp;
1652 break;
1653 }
1654 }
1655
1656 g_slist_free(machines);
1657 return mc;
1658 }
1659
1660 MachineInfoList *qmp_query_machines(Error **errp)
1661 {
1662 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1663 MachineInfoList *mach_list = NULL;
1664
1665 for (el = machines; el; el = el->next) {
1666 MachineClass *mc = el->data;
1667 MachineInfoList *entry;
1668 MachineInfo *info;
1669
1670 info = g_malloc0(sizeof(*info));
1671 if (mc->is_default) {
1672 info->has_is_default = true;
1673 info->is_default = true;
1674 }
1675
1676 if (mc->alias) {
1677 info->has_alias = true;
1678 info->alias = g_strdup(mc->alias);
1679 }
1680
1681 info->name = g_strdup(mc->name);
1682 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1683
1684 entry = g_malloc0(sizeof(*entry));
1685 entry->value = info;
1686 entry->next = mach_list;
1687 mach_list = entry;
1688 }
1689
1690 g_slist_free(machines);
1691 return mach_list;
1692 }
1693
1694 /***********************************************************/
1695 /* main execution loop */
1696
1697 struct vm_change_state_entry {
1698 VMChangeStateHandler *cb;
1699 void *opaque;
1700 QLIST_ENTRY (vm_change_state_entry) entries;
1701 };
1702
1703 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1704
1705 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1706 void *opaque)
1707 {
1708 VMChangeStateEntry *e;
1709
1710 e = g_malloc0(sizeof (*e));
1711
1712 e->cb = cb;
1713 e->opaque = opaque;
1714 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1715 return e;
1716 }
1717
1718 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1719 {
1720 QLIST_REMOVE (e, entries);
1721 g_free (e);
1722 }
1723
1724 void vm_state_notify(int running, RunState state)
1725 {
1726 VMChangeStateEntry *e, *next;
1727
1728 trace_vm_state_notify(running, state);
1729
1730 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1731 e->cb(e->opaque, running, state);
1732 }
1733 }
1734
1735 /* reset/shutdown handler */
1736
1737 typedef struct QEMUResetEntry {
1738 QTAILQ_ENTRY(QEMUResetEntry) entry;
1739 QEMUResetHandler *func;
1740 void *opaque;
1741 } QEMUResetEntry;
1742
1743 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1744 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1745 static int reset_requested;
1746 static int shutdown_requested, shutdown_signal = -1;
1747 static pid_t shutdown_pid;
1748 static int powerdown_requested;
1749 static int debug_requested;
1750 static int suspend_requested;
1751 static WakeupReason wakeup_reason;
1752 static NotifierList powerdown_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1754 static NotifierList suspend_notifiers =
1755 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1756 static NotifierList wakeup_notifiers =
1757 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1758 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1759
1760 int qemu_shutdown_requested_get(void)
1761 {
1762 return shutdown_requested;
1763 }
1764
1765 int qemu_reset_requested_get(void)
1766 {
1767 return reset_requested;
1768 }
1769
1770 static int qemu_shutdown_requested(void)
1771 {
1772 int r = shutdown_requested;
1773 shutdown_requested = 0;
1774 return r;
1775 }
1776
1777 static void qemu_kill_report(void)
1778 {
1779 if (!qtest_driver() && shutdown_signal != -1) {
1780 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1781 if (shutdown_pid == 0) {
1782 /* This happens for eg ^C at the terminal, so it's worth
1783 * avoiding printing an odd message in that case.
1784 */
1785 fputc('\n', stderr);
1786 } else {
1787 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1788 }
1789 shutdown_signal = -1;
1790 }
1791 }
1792
1793 static int qemu_reset_requested(void)
1794 {
1795 int r = reset_requested;
1796 reset_requested = 0;
1797 return r;
1798 }
1799
1800 static int qemu_suspend_requested(void)
1801 {
1802 int r = suspend_requested;
1803 suspend_requested = 0;
1804 return r;
1805 }
1806
1807 static WakeupReason qemu_wakeup_requested(void)
1808 {
1809 return wakeup_reason;
1810 }
1811
1812 static int qemu_powerdown_requested(void)
1813 {
1814 int r = powerdown_requested;
1815 powerdown_requested = 0;
1816 return r;
1817 }
1818
1819 static int qemu_debug_requested(void)
1820 {
1821 int r = debug_requested;
1822 debug_requested = 0;
1823 return r;
1824 }
1825
1826 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1827 {
1828 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1829
1830 re->func = func;
1831 re->opaque = opaque;
1832 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1833 }
1834
1835 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1836 {
1837 QEMUResetEntry *re;
1838
1839 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1840 if (re->func == func && re->opaque == opaque) {
1841 QTAILQ_REMOVE(&reset_handlers, re, entry);
1842 g_free(re);
1843 return;
1844 }
1845 }
1846 }
1847
1848 void qemu_devices_reset(void)
1849 {
1850 QEMUResetEntry *re, *nre;
1851
1852 /* reset all devices */
1853 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1854 re->func(re->opaque);
1855 }
1856 }
1857
1858 void qemu_system_reset(bool report)
1859 {
1860 MachineClass *mc;
1861
1862 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1863
1864 if (mc && mc->reset) {
1865 mc->reset();
1866 } else {
1867 qemu_devices_reset();
1868 }
1869 if (report) {
1870 qapi_event_send_reset(&error_abort);
1871 }
1872 cpu_synchronize_all_post_reset();
1873 }
1874
1875 void qemu_system_reset_request(void)
1876 {
1877 if (no_reboot) {
1878 shutdown_requested = 1;
1879 } else {
1880 reset_requested = 1;
1881 }
1882 cpu_stop_current();
1883 qemu_notify_event();
1884 }
1885
1886 static void qemu_system_suspend(void)
1887 {
1888 pause_all_vcpus();
1889 notifier_list_notify(&suspend_notifiers, NULL);
1890 runstate_set(RUN_STATE_SUSPENDED);
1891 qapi_event_send_suspend(&error_abort);
1892 }
1893
1894 void qemu_system_suspend_request(void)
1895 {
1896 if (runstate_check(RUN_STATE_SUSPENDED)) {
1897 return;
1898 }
1899 suspend_requested = 1;
1900 cpu_stop_current();
1901 qemu_notify_event();
1902 }
1903
1904 void qemu_register_suspend_notifier(Notifier *notifier)
1905 {
1906 notifier_list_add(&suspend_notifiers, notifier);
1907 }
1908
1909 void qemu_system_wakeup_request(WakeupReason reason)
1910 {
1911 trace_system_wakeup_request(reason);
1912
1913 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1914 return;
1915 }
1916 if (!(wakeup_reason_mask & (1 << reason))) {
1917 return;
1918 }
1919 runstate_set(RUN_STATE_RUNNING);
1920 wakeup_reason = reason;
1921 qemu_notify_event();
1922 }
1923
1924 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1925 {
1926 if (enabled) {
1927 wakeup_reason_mask |= (1 << reason);
1928 } else {
1929 wakeup_reason_mask &= ~(1 << reason);
1930 }
1931 }
1932
1933 void qemu_register_wakeup_notifier(Notifier *notifier)
1934 {
1935 notifier_list_add(&wakeup_notifiers, notifier);
1936 }
1937
1938 void qemu_system_killed(int signal, pid_t pid)
1939 {
1940 shutdown_signal = signal;
1941 shutdown_pid = pid;
1942 no_shutdown = 0;
1943 qemu_system_shutdown_request();
1944 }
1945
1946 void qemu_system_shutdown_request(void)
1947 {
1948 trace_qemu_system_shutdown_request();
1949 shutdown_requested = 1;
1950 qemu_notify_event();
1951 }
1952
1953 static void qemu_system_powerdown(void)
1954 {
1955 qapi_event_send_powerdown(&error_abort);
1956 notifier_list_notify(&powerdown_notifiers, NULL);
1957 }
1958
1959 void qemu_system_powerdown_request(void)
1960 {
1961 trace_qemu_system_powerdown_request();
1962 powerdown_requested = 1;
1963 qemu_notify_event();
1964 }
1965
1966 void qemu_register_powerdown_notifier(Notifier *notifier)
1967 {
1968 notifier_list_add(&powerdown_notifiers, notifier);
1969 }
1970
1971 void qemu_system_debug_request(void)
1972 {
1973 debug_requested = 1;
1974 qemu_notify_event();
1975 }
1976
1977 static bool main_loop_should_exit(void)
1978 {
1979 RunState r;
1980 if (qemu_debug_requested()) {
1981 vm_stop(RUN_STATE_DEBUG);
1982 }
1983 if (qemu_suspend_requested()) {
1984 qemu_system_suspend();
1985 }
1986 if (qemu_shutdown_requested()) {
1987 qemu_kill_report();
1988 qapi_event_send_shutdown(&error_abort);
1989 if (no_shutdown) {
1990 vm_stop(RUN_STATE_SHUTDOWN);
1991 } else {
1992 return true;
1993 }
1994 }
1995 if (qemu_reset_requested()) {
1996 pause_all_vcpus();
1997 cpu_synchronize_all_states();
1998 qemu_system_reset(VMRESET_REPORT);
1999 resume_all_vcpus();
2000 if (runstate_needs_reset()) {
2001 runstate_set(RUN_STATE_PAUSED);
2002 }
2003 }
2004 if (qemu_wakeup_requested()) {
2005 pause_all_vcpus();
2006 cpu_synchronize_all_states();
2007 qemu_system_reset(VMRESET_SILENT);
2008 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2009 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2010 resume_all_vcpus();
2011 qapi_event_send_wakeup(&error_abort);
2012 }
2013 if (qemu_powerdown_requested()) {
2014 qemu_system_powerdown();
2015 }
2016 if (qemu_vmstop_requested(&r)) {
2017 vm_stop(r);
2018 }
2019 return false;
2020 }
2021
2022 static void main_loop(void)
2023 {
2024 bool nonblocking;
2025 int last_io = 0;
2026 #ifdef CONFIG_PROFILER
2027 int64_t ti;
2028 #endif
2029 do {
2030 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2031 #ifdef CONFIG_PROFILER
2032 ti = profile_getclock();
2033 #endif
2034 last_io = main_loop_wait(nonblocking);
2035 #ifdef CONFIG_PROFILER
2036 dev_time += profile_getclock() - ti;
2037 #endif
2038 } while (!main_loop_should_exit());
2039 }
2040
2041 static void version(void)
2042 {
2043 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2044 }
2045
2046 static void help(int exitcode)
2047 {
2048 version();
2049 printf("usage: %s [options] [disk_image]\n\n"
2050 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2051 error_get_progname());
2052
2053 #define QEMU_OPTIONS_GENERATE_HELP
2054 #include "qemu-options-wrapper.h"
2055
2056 printf("\nDuring emulation, the following keys are useful:\n"
2057 "ctrl-alt-f toggle full screen\n"
2058 "ctrl-alt-n switch to virtual console 'n'\n"
2059 "ctrl-alt toggle mouse and keyboard grab\n"
2060 "\n"
2061 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2062
2063 exit(exitcode);
2064 }
2065
2066 #define HAS_ARG 0x0001
2067
2068 typedef struct QEMUOption {
2069 const char *name;
2070 int flags;
2071 int index;
2072 uint32_t arch_mask;
2073 } QEMUOption;
2074
2075 static const QEMUOption qemu_options[] = {
2076 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2077 #define QEMU_OPTIONS_GENERATE_OPTIONS
2078 #include "qemu-options-wrapper.h"
2079 { NULL },
2080 };
2081
2082 static bool vga_available(void)
2083 {
2084 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2085 }
2086
2087 static bool cirrus_vga_available(void)
2088 {
2089 return object_class_by_name("cirrus-vga")
2090 || object_class_by_name("isa-cirrus-vga");
2091 }
2092
2093 static bool vmware_vga_available(void)
2094 {
2095 return object_class_by_name("vmware-svga");
2096 }
2097
2098 static bool qxl_vga_available(void)
2099 {
2100 return object_class_by_name("qxl-vga");
2101 }
2102
2103 static bool tcx_vga_available(void)
2104 {
2105 return object_class_by_name("SUNW,tcx");
2106 }
2107
2108 static bool cg3_vga_available(void)
2109 {
2110 return object_class_by_name("cgthree");
2111 }
2112
2113 static void select_vgahw (const char *p)
2114 {
2115 const char *opts;
2116
2117 assert(vga_interface_type == VGA_NONE);
2118 if (strstart(p, "std", &opts)) {
2119 if (vga_available()) {
2120 vga_interface_type = VGA_STD;
2121 } else {
2122 fprintf(stderr, "Error: standard VGA not available\n");
2123 exit(0);
2124 }
2125 } else if (strstart(p, "cirrus", &opts)) {
2126 if (cirrus_vga_available()) {
2127 vga_interface_type = VGA_CIRRUS;
2128 } else {
2129 fprintf(stderr, "Error: Cirrus VGA not available\n");
2130 exit(0);
2131 }
2132 } else if (strstart(p, "vmware", &opts)) {
2133 if (vmware_vga_available()) {
2134 vga_interface_type = VGA_VMWARE;
2135 } else {
2136 fprintf(stderr, "Error: VMWare SVGA not available\n");
2137 exit(0);
2138 }
2139 } else if (strstart(p, "xenfb", &opts)) {
2140 vga_interface_type = VGA_XENFB;
2141 } else if (strstart(p, "qxl", &opts)) {
2142 if (qxl_vga_available()) {
2143 vga_interface_type = VGA_QXL;
2144 } else {
2145 fprintf(stderr, "Error: QXL VGA not available\n");
2146 exit(0);
2147 }
2148 } else if (strstart(p, "tcx", &opts)) {
2149 if (tcx_vga_available()) {
2150 vga_interface_type = VGA_TCX;
2151 } else {
2152 fprintf(stderr, "Error: TCX framebuffer not available\n");
2153 exit(0);
2154 }
2155 } else if (strstart(p, "cg3", &opts)) {
2156 if (cg3_vga_available()) {
2157 vga_interface_type = VGA_CG3;
2158 } else {
2159 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2160 exit(0);
2161 }
2162 } else if (!strstart(p, "none", &opts)) {
2163 invalid_vga:
2164 fprintf(stderr, "Unknown vga type: %s\n", p);
2165 exit(1);
2166 }
2167 while (*opts) {
2168 const char *nextopt;
2169
2170 if (strstart(opts, ",retrace=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "dumb", &nextopt))
2173 vga_retrace_method = VGA_RETRACE_DUMB;
2174 else if (strstart(opts, "precise", &nextopt))
2175 vga_retrace_method = VGA_RETRACE_PRECISE;
2176 else goto invalid_vga;
2177 } else goto invalid_vga;
2178 opts = nextopt;
2179 }
2180 }
2181
2182 static DisplayType select_display(const char *p)
2183 {
2184 const char *opts;
2185 DisplayType display = DT_DEFAULT;
2186
2187 if (strstart(p, "sdl", &opts)) {
2188 #ifdef CONFIG_SDL
2189 display = DT_SDL;
2190 while (*opts) {
2191 const char *nextopt;
2192
2193 if (strstart(opts, ",frame=", &nextopt)) {
2194 opts = nextopt;
2195 if (strstart(opts, "on", &nextopt)) {
2196 no_frame = 0;
2197 } else if (strstart(opts, "off", &nextopt)) {
2198 no_frame = 1;
2199 } else {
2200 goto invalid_sdl_args;
2201 }
2202 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2203 opts = nextopt;
2204 if (strstart(opts, "on", &nextopt)) {
2205 alt_grab = 1;
2206 } else if (strstart(opts, "off", &nextopt)) {
2207 alt_grab = 0;
2208 } else {
2209 goto invalid_sdl_args;
2210 }
2211 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2212 opts = nextopt;
2213 if (strstart(opts, "on", &nextopt)) {
2214 ctrl_grab = 1;
2215 } else if (strstart(opts, "off", &nextopt)) {
2216 ctrl_grab = 0;
2217 } else {
2218 goto invalid_sdl_args;
2219 }
2220 } else if (strstart(opts, ",window_close=", &nextopt)) {
2221 opts = nextopt;
2222 if (strstart(opts, "on", &nextopt)) {
2223 no_quit = 0;
2224 } else if (strstart(opts, "off", &nextopt)) {
2225 no_quit = 1;
2226 } else {
2227 goto invalid_sdl_args;
2228 }
2229 } else {
2230 invalid_sdl_args:
2231 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2232 exit(1);
2233 }
2234 opts = nextopt;
2235 }
2236 #else
2237 fprintf(stderr, "SDL support is disabled\n");
2238 exit(1);
2239 #endif
2240 } else if (strstart(p, "vnc", &opts)) {
2241 #ifdef CONFIG_VNC
2242 display_remote++;
2243
2244 if (*opts) {
2245 const char *nextopt;
2246
2247 if (strstart(opts, "=", &nextopt)) {
2248 vnc_display = nextopt;
2249 }
2250 }
2251 if (!vnc_display) {
2252 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2253 exit(1);
2254 }
2255 #else
2256 fprintf(stderr, "VNC support is disabled\n");
2257 exit(1);
2258 #endif
2259 } else if (strstart(p, "curses", &opts)) {
2260 #ifdef CONFIG_CURSES
2261 display = DT_CURSES;
2262 #else
2263 fprintf(stderr, "Curses support is disabled\n");
2264 exit(1);
2265 #endif
2266 } else if (strstart(p, "gtk", &opts)) {
2267 #ifdef CONFIG_GTK
2268 display = DT_GTK;
2269 while (*opts) {
2270 const char *nextopt;
2271
2272 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2273 opts = nextopt;
2274 if (strstart(opts, "on", &nextopt)) {
2275 grab_on_hover = true;
2276 } else if (strstart(opts, "off", &nextopt)) {
2277 grab_on_hover = false;
2278 } else {
2279 goto invalid_gtk_args;
2280 }
2281 } else {
2282 invalid_gtk_args:
2283 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2284 exit(1);
2285 }
2286 opts = nextopt;
2287 }
2288 #else
2289 fprintf(stderr, "GTK support is disabled\n");
2290 exit(1);
2291 #endif
2292 } else if (strstart(p, "none", &opts)) {
2293 display = DT_NONE;
2294 } else {
2295 fprintf(stderr, "Unknown display type: %s\n", p);
2296 exit(1);
2297 }
2298
2299 return display;
2300 }
2301
2302 static int balloon_parse(const char *arg)
2303 {
2304 QemuOpts *opts;
2305
2306 if (strcmp(arg, "none") == 0) {
2307 return 0;
2308 }
2309
2310 if (!strncmp(arg, "virtio", 6)) {
2311 if (arg[6] == ',') {
2312 /* have params -> parse them */
2313 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2314 if (!opts)
2315 return -1;
2316 } else {
2317 /* create empty opts */
2318 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2319 &error_abort);
2320 }
2321 qemu_opt_set(opts, "driver", "virtio-balloon");
2322 return 0;
2323 }
2324
2325 return -1;
2326 }
2327
2328 char *qemu_find_file(int type, const char *name)
2329 {
2330 int i;
2331 const char *subdir;
2332 char *buf;
2333
2334 /* Try the name as a straight path first */
2335 if (access(name, R_OK) == 0) {
2336 trace_load_file(name, name);
2337 return g_strdup(name);
2338 }
2339
2340 switch (type) {
2341 case QEMU_FILE_TYPE_BIOS:
2342 subdir = "";
2343 break;
2344 case QEMU_FILE_TYPE_KEYMAP:
2345 subdir = "keymaps/";
2346 break;
2347 default:
2348 abort();
2349 }
2350
2351 for (i = 0; i < data_dir_idx; i++) {
2352 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2353 if (access(buf, R_OK) == 0) {
2354 trace_load_file(name, buf);
2355 return buf;
2356 }
2357 g_free(buf);
2358 }
2359 return NULL;
2360 }
2361
2362 static int device_help_func(QemuOpts *opts, void *opaque)
2363 {
2364 return qdev_device_help(opts);
2365 }
2366
2367 static int device_init_func(QemuOpts *opts, void *opaque)
2368 {
2369 DeviceState *dev;
2370
2371 dev = qdev_device_add(opts);
2372 if (!dev)
2373 return -1;
2374 object_unref(OBJECT(dev));
2375 return 0;
2376 }
2377
2378 static int chardev_init_func(QemuOpts *opts, void *opaque)
2379 {
2380 Error *local_err = NULL;
2381
2382 qemu_chr_new_from_opts(opts, NULL, &local_err);
2383 if (local_err) {
2384 error_report("%s", error_get_pretty(local_err));
2385 error_free(local_err);
2386 return -1;
2387 }
2388 return 0;
2389 }
2390
2391 #ifdef CONFIG_VIRTFS
2392 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2393 {
2394 int ret;
2395 ret = qemu_fsdev_add(opts);
2396
2397 return ret;
2398 }
2399 #endif
2400
2401 static int mon_init_func(QemuOpts *opts, void *opaque)
2402 {
2403 CharDriverState *chr;
2404 const char *chardev;
2405 const char *mode;
2406 int flags;
2407
2408 mode = qemu_opt_get(opts, "mode");
2409 if (mode == NULL) {
2410 mode = "readline";
2411 }
2412 if (strcmp(mode, "readline") == 0) {
2413 flags = MONITOR_USE_READLINE;
2414 } else if (strcmp(mode, "control") == 0) {
2415 flags = MONITOR_USE_CONTROL;
2416 } else {
2417 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2418 exit(1);
2419 }
2420
2421 if (qemu_opt_get_bool(opts, "pretty", 0))
2422 flags |= MONITOR_USE_PRETTY;
2423
2424 if (qemu_opt_get_bool(opts, "default", 0))
2425 flags |= MONITOR_IS_DEFAULT;
2426
2427 chardev = qemu_opt_get(opts, "chardev");
2428 chr = qemu_chr_find(chardev);
2429 if (chr == NULL) {
2430 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2431 exit(1);
2432 }
2433
2434 qemu_chr_fe_claim_no_fail(chr);
2435 monitor_init(chr, flags);
2436 return 0;
2437 }
2438
2439 static void monitor_parse(const char *optarg, const char *mode)
2440 {
2441 static int monitor_device_index = 0;
2442 QemuOpts *opts;
2443 const char *p;
2444 char label[32];
2445 int def = 0;
2446
2447 if (strstart(optarg, "chardev:", &p)) {
2448 snprintf(label, sizeof(label), "%s", p);
2449 } else {
2450 snprintf(label, sizeof(label), "compat_monitor%d",
2451 monitor_device_index);
2452 if (monitor_device_index == 0) {
2453 def = 1;
2454 }
2455 opts = qemu_chr_parse_compat(label, optarg);
2456 if (!opts) {
2457 fprintf(stderr, "parse error: %s\n", optarg);
2458 exit(1);
2459 }
2460 }
2461
2462 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2463 if (!opts) {
2464 fprintf(stderr, "duplicate chardev: %s\n", label);
2465 exit(1);
2466 }
2467 qemu_opt_set(opts, "mode", mode);
2468 qemu_opt_set(opts, "chardev", label);
2469 if (def)
2470 qemu_opt_set(opts, "default", "on");
2471 monitor_device_index++;
2472 }
2473
2474 struct device_config {
2475 enum {
2476 DEV_USB, /* -usbdevice */
2477 DEV_BT, /* -bt */
2478 DEV_SERIAL, /* -serial */
2479 DEV_PARALLEL, /* -parallel */
2480 DEV_VIRTCON, /* -virtioconsole */
2481 DEV_DEBUGCON, /* -debugcon */
2482 DEV_GDB, /* -gdb, -s */
2483 DEV_SCLP, /* s390 sclp */
2484 } type;
2485 const char *cmdline;
2486 Location loc;
2487 QTAILQ_ENTRY(device_config) next;
2488 };
2489
2490 static QTAILQ_HEAD(, device_config) device_configs =
2491 QTAILQ_HEAD_INITIALIZER(device_configs);
2492
2493 static void add_device_config(int type, const char *cmdline)
2494 {
2495 struct device_config *conf;
2496
2497 conf = g_malloc0(sizeof(*conf));
2498 conf->type = type;
2499 conf->cmdline = cmdline;
2500 loc_save(&conf->loc);
2501 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2502 }
2503
2504 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2505 {
2506 struct device_config *conf;
2507 int rc;
2508
2509 QTAILQ_FOREACH(conf, &device_configs, next) {
2510 if (conf->type != type)
2511 continue;
2512 loc_push_restore(&conf->loc);
2513 rc = func(conf->cmdline);
2514 loc_pop(&conf->loc);
2515 if (rc) {
2516 return rc;
2517 }
2518 }
2519 return 0;
2520 }
2521
2522 static int serial_parse(const char *devname)
2523 {
2524 static int index = 0;
2525 char label[32];
2526
2527 if (strcmp(devname, "none") == 0)
2528 return 0;
2529 if (index == MAX_SERIAL_PORTS) {
2530 fprintf(stderr, "qemu: too many serial ports\n");
2531 exit(1);
2532 }
2533 snprintf(label, sizeof(label), "serial%d", index);
2534 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!serial_hds[index]) {
2536 fprintf(stderr, "qemu: could not connect serial device"
2537 " to character backend '%s'\n", devname);
2538 return -1;
2539 }
2540 index++;
2541 return 0;
2542 }
2543
2544 static int parallel_parse(const char *devname)
2545 {
2546 static int index = 0;
2547 char label[32];
2548
2549 if (strcmp(devname, "none") == 0)
2550 return 0;
2551 if (index == MAX_PARALLEL_PORTS) {
2552 fprintf(stderr, "qemu: too many parallel ports\n");
2553 exit(1);
2554 }
2555 snprintf(label, sizeof(label), "parallel%d", index);
2556 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2557 if (!parallel_hds[index]) {
2558 fprintf(stderr, "qemu: could not connect parallel device"
2559 " to character backend '%s'\n", devname);
2560 return -1;
2561 }
2562 index++;
2563 return 0;
2564 }
2565
2566 static int virtcon_parse(const char *devname)
2567 {
2568 QemuOptsList *device = qemu_find_opts("device");
2569 static int index = 0;
2570 char label[32];
2571 QemuOpts *bus_opts, *dev_opts;
2572
2573 if (strcmp(devname, "none") == 0)
2574 return 0;
2575 if (index == MAX_VIRTIO_CONSOLES) {
2576 fprintf(stderr, "qemu: too many virtio consoles\n");
2577 exit(1);
2578 }
2579
2580 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2581 if (arch_type == QEMU_ARCH_S390X) {
2582 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2583 } else {
2584 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2585 }
2586
2587 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2588 qemu_opt_set(dev_opts, "driver", "virtconsole");
2589
2590 snprintf(label, sizeof(label), "virtcon%d", index);
2591 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2592 if (!virtcon_hds[index]) {
2593 fprintf(stderr, "qemu: could not connect virtio console"
2594 " to character backend '%s'\n", devname);
2595 return -1;
2596 }
2597 qemu_opt_set(dev_opts, "chardev", label);
2598
2599 index++;
2600 return 0;
2601 }
2602
2603 static int sclp_parse(const char *devname)
2604 {
2605 QemuOptsList *device = qemu_find_opts("device");
2606 static int index = 0;
2607 char label[32];
2608 QemuOpts *dev_opts;
2609
2610 if (strcmp(devname, "none") == 0) {
2611 return 0;
2612 }
2613 if (index == MAX_SCLP_CONSOLES) {
2614 fprintf(stderr, "qemu: too many sclp consoles\n");
2615 exit(1);
2616 }
2617
2618 assert(arch_type == QEMU_ARCH_S390X);
2619
2620 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2621 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2622
2623 snprintf(label, sizeof(label), "sclpcon%d", index);
2624 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2625 if (!sclp_hds[index]) {
2626 fprintf(stderr, "qemu: could not connect sclp console"
2627 " to character backend '%s'\n", devname);
2628 return -1;
2629 }
2630 qemu_opt_set(dev_opts, "chardev", label);
2631
2632 index++;
2633 return 0;
2634 }
2635
2636 static int debugcon_parse(const char *devname)
2637 {
2638 QemuOpts *opts;
2639
2640 if (!qemu_chr_new("debugcon", devname, NULL)) {
2641 exit(1);
2642 }
2643 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2644 if (!opts) {
2645 fprintf(stderr, "qemu: already have a debugcon device\n");
2646 exit(1);
2647 }
2648 qemu_opt_set(opts, "driver", "isa-debugcon");
2649 qemu_opt_set(opts, "chardev", "debugcon");
2650 return 0;
2651 }
2652
2653 static MachineClass *machine_parse(const char *name)
2654 {
2655 MachineClass *mc = NULL;
2656 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2657
2658 if (name) {
2659 mc = find_machine(name);
2660 }
2661 if (mc) {
2662 return mc;
2663 }
2664 if (name && !is_help_option(name)) {
2665 error_report("Unsupported machine type");
2666 error_printf("Use -machine help to list supported machines!\n");
2667 } else {
2668 printf("Supported machines are:\n");
2669 for (el = machines; el; el = el->next) {
2670 MachineClass *mc = el->data;
2671 if (mc->alias) {
2672 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2673 }
2674 printf("%-20s %s%s\n", mc->name, mc->desc,
2675 mc->is_default ? " (default)" : "");
2676 }
2677 }
2678
2679 g_slist_free(machines);
2680 exit(!name || !is_help_option(name));
2681 }
2682
2683 static int tcg_init(MachineClass *mc)
2684 {
2685 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2686 return 0;
2687 }
2688
2689 static struct {
2690 const char *opt_name;
2691 const char *name;
2692 int (*available)(void);
2693 int (*init)(MachineClass *mc);
2694 bool *allowed;
2695 } accel_list[] = {
2696 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2697 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2698 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2699 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2700 };
2701
2702 static int configure_accelerator(MachineClass *mc)
2703 {
2704 const char *p;
2705 char buf[10];
2706 int i, ret;
2707 bool accel_initialised = false;
2708 bool init_failed = false;
2709
2710 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2711 if (p == NULL) {
2712 /* Use the default "accelerator", tcg */
2713 p = "tcg";
2714 }
2715
2716 while (!accel_initialised && *p != '\0') {
2717 if (*p == ':') {
2718 p++;
2719 }
2720 p = get_opt_name(buf, sizeof (buf), p, ':');
2721 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2722 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2723 if (!accel_list[i].available()) {
2724 printf("%s not supported for this target\n",
2725 accel_list[i].name);
2726 break;
2727 }
2728 *(accel_list[i].allowed) = true;
2729 ret = accel_list[i].init(mc);
2730 if (ret < 0) {
2731 init_failed = true;
2732 fprintf(stderr, "failed to initialize %s: %s\n",
2733 accel_list[i].name,
2734 strerror(-ret));
2735 *(accel_list[i].allowed) = false;
2736 } else {
2737 accel_initialised = true;
2738 }
2739 break;
2740 }
2741 }
2742 if (i == ARRAY_SIZE(accel_list)) {
2743 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2744 }
2745 }
2746
2747 if (!accel_initialised) {
2748 if (!init_failed) {
2749 fprintf(stderr, "No accelerator found!\n");
2750 }
2751 exit(1);
2752 }
2753
2754 if (init_failed) {
2755 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2756 }
2757
2758 return !accel_initialised;
2759 }
2760
2761 void qemu_add_exit_notifier(Notifier *notify)
2762 {
2763 notifier_list_add(&exit_notifiers, notify);
2764 }
2765
2766 void qemu_remove_exit_notifier(Notifier *notify)
2767 {
2768 notifier_remove(notify);
2769 }
2770
2771 static void qemu_run_exit_notifiers(void)
2772 {
2773 notifier_list_notify(&exit_notifiers, NULL);
2774 }
2775
2776 void qemu_add_machine_init_done_notifier(Notifier *notify)
2777 {
2778 notifier_list_add(&machine_init_done_notifiers, notify);
2779 }
2780
2781 static void qemu_run_machine_init_done_notifiers(void)
2782 {
2783 notifier_list_notify(&machine_init_done_notifiers, NULL);
2784 }
2785
2786 static const QEMUOption *lookup_opt(int argc, char **argv,
2787 const char **poptarg, int *poptind)
2788 {
2789 const QEMUOption *popt;
2790 int optind = *poptind;
2791 char *r = argv[optind];
2792 const char *optarg;
2793
2794 loc_set_cmdline(argv, optind, 1);
2795 optind++;
2796 /* Treat --foo the same as -foo. */
2797 if (r[1] == '-')
2798 r++;
2799 popt = qemu_options;
2800 for(;;) {
2801 if (!popt->name) {
2802 error_report("invalid option");
2803 exit(1);
2804 }
2805 if (!strcmp(popt->name, r + 1))
2806 break;
2807 popt++;
2808 }
2809 if (popt->flags & HAS_ARG) {
2810 if (optind >= argc) {
2811 error_report("requires an argument");
2812 exit(1);
2813 }
2814 optarg = argv[optind++];
2815 loc_set_cmdline(argv, optind - 2, 2);
2816 } else {
2817 optarg = NULL;
2818 }
2819
2820 *poptarg = optarg;
2821 *poptind = optind;
2822
2823 return popt;
2824 }
2825
2826 static gpointer malloc_and_trace(gsize n_bytes)
2827 {
2828 void *ptr = malloc(n_bytes);
2829 trace_g_malloc(n_bytes, ptr);
2830 return ptr;
2831 }
2832
2833 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2834 {
2835 void *ptr = realloc(mem, n_bytes);
2836 trace_g_realloc(mem, n_bytes, ptr);
2837 return ptr;
2838 }
2839
2840 static void free_and_trace(gpointer mem)
2841 {
2842 trace_g_free(mem);
2843 free(mem);
2844 }
2845
2846 static int machine_set_property(const char *name, const char *value,
2847 void *opaque)
2848 {
2849 Object *obj = OBJECT(opaque);
2850 StringInputVisitor *siv;
2851 Error *local_err = NULL;
2852 char *c, *qom_name;
2853
2854 if (strcmp(name, "type") == 0) {
2855 return 0;
2856 }
2857
2858 qom_name = g_strdup(name);
2859 c = qom_name;
2860 while (*c++) {
2861 if (*c == '_') {
2862 *c = '-';
2863 }
2864 }
2865
2866 siv = string_input_visitor_new(value);
2867 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2868 string_input_visitor_cleanup(siv);
2869 g_free(qom_name);
2870
2871 if (local_err) {
2872 qerror_report_err(local_err);
2873 error_free(local_err);
2874 return -1;
2875 }
2876
2877 return 0;
2878 }
2879
2880 static int object_create(QemuOpts *opts, void *opaque)
2881 {
2882 Error *err = NULL;
2883 char *type = NULL;
2884 char *id = NULL;
2885 void *dummy = NULL;
2886 OptsVisitor *ov;
2887 QDict *pdict;
2888
2889 ov = opts_visitor_new(opts);
2890 pdict = qemu_opts_to_qdict(opts, NULL);
2891
2892 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2893 if (err) {
2894 goto out;
2895 }
2896
2897 qdict_del(pdict, "qom-type");
2898 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2899 if (err) {
2900 goto out;
2901 }
2902
2903 qdict_del(pdict, "id");
2904 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2905 if (err) {
2906 goto out;
2907 }
2908
2909 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2910 if (err) {
2911 goto out;
2912 }
2913 visit_end_struct(opts_get_visitor(ov), &err);
2914 if (err) {
2915 qmp_object_del(id, NULL);
2916 }
2917
2918 out:
2919 opts_visitor_cleanup(ov);
2920
2921 QDECREF(pdict);
2922 g_free(id);
2923 g_free(type);
2924 g_free(dummy);
2925 if (err) {
2926 qerror_report_err(err);
2927 error_free(err);
2928 return -1;
2929 }
2930 return 0;
2931 }
2932
2933 int main(int argc, char **argv, char **envp)
2934 {
2935 int i;
2936 int snapshot, linux_boot;
2937 const char *initrd_filename;
2938 const char *kernel_filename, *kernel_cmdline;
2939 const char *boot_order;
2940 DisplayState *ds;
2941 int cyls, heads, secs, translation;
2942 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2943 QemuOptsList *olist;
2944 int optind;
2945 const char *optarg;
2946 const char *loadvm = NULL;
2947 MachineClass *machine_class;
2948 const char *cpu_model;
2949 const char *vga_model = NULL;
2950 const char *qtest_chrdev = NULL;
2951 const char *qtest_log = NULL;
2952 const char *pid_file = NULL;
2953 const char *incoming = NULL;
2954 #ifdef CONFIG_VNC
2955 int show_vnc_port = 0;
2956 #endif
2957 bool defconfig = true;
2958 bool userconfig = true;
2959 const char *log_mask = NULL;
2960 const char *log_file = NULL;
2961 GMemVTable mem_trace = {
2962 .malloc = malloc_and_trace,
2963 .realloc = realloc_and_trace,
2964 .free = free_and_trace,
2965 };
2966 const char *trace_events = NULL;
2967 const char *trace_file = NULL;
2968 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2969 1024 * 1024;
2970 ram_addr_t maxram_size = default_ram_size;
2971 uint64_t ram_slots = 0;
2972 FILE *vmstate_dump_file = NULL;
2973 Error *main_loop_err = NULL;
2974
2975 atexit(qemu_run_exit_notifiers);
2976 error_set_progname(argv[0]);
2977 qemu_init_exec_dir(argv[0]);
2978
2979 g_mem_set_vtable(&mem_trace);
2980
2981 module_call_init(MODULE_INIT_QOM);
2982
2983 qemu_add_opts(&qemu_drive_opts);
2984 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2985 qemu_add_drive_opts(&qemu_common_drive_opts);
2986 qemu_add_drive_opts(&qemu_drive_opts);
2987 qemu_add_opts(&qemu_chardev_opts);
2988 qemu_add_opts(&qemu_device_opts);
2989 qemu_add_opts(&qemu_netdev_opts);
2990 qemu_add_opts(&qemu_net_opts);
2991 qemu_add_opts(&qemu_rtc_opts);
2992 qemu_add_opts(&qemu_global_opts);
2993 qemu_add_opts(&qemu_mon_opts);
2994 qemu_add_opts(&qemu_trace_opts);
2995 qemu_add_opts(&qemu_option_rom_opts);
2996 qemu_add_opts(&qemu_machine_opts);
2997 qemu_add_opts(&qemu_mem_opts);
2998 qemu_add_opts(&qemu_smp_opts);
2999 qemu_add_opts(&qemu_boot_opts);
3000 qemu_add_opts(&qemu_sandbox_opts);
3001 qemu_add_opts(&qemu_add_fd_opts);
3002 qemu_add_opts(&qemu_object_opts);
3003 qemu_add_opts(&qemu_tpmdev_opts);
3004 qemu_add_opts(&qemu_realtime_opts);
3005 qemu_add_opts(&qemu_msg_opts);
3006 qemu_add_opts(&qemu_name_opts);
3007 qemu_add_opts(&qemu_numa_opts);
3008 qemu_add_opts(&qemu_icount_opts);
3009
3010 runstate_init();
3011
3012 rtc_clock = QEMU_CLOCK_HOST;
3013
3014 QLIST_INIT (&vm_change_state_head);
3015 os_setup_early_signal_handling();
3016
3017 module_call_init(MODULE_INIT_MACHINE);
3018 machine_class = find_default_machine();
3019 cpu_model = NULL;
3020 ram_size = default_ram_size;
3021 snapshot = 0;
3022 cyls = heads = secs = 0;
3023 translation = BIOS_ATA_TRANSLATION_AUTO;
3024
3025 for (i = 0; i < MAX_NODES; i++) {
3026 numa_info[i].node_mem = 0;
3027 numa_info[i].present = false;
3028 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3029 }
3030
3031 nb_numa_nodes = 0;
3032 max_numa_nodeid = 0;
3033 nb_nics = 0;
3034
3035 bdrv_init_with_whitelist();
3036
3037 autostart = 1;
3038
3039 /* first pass of option parsing */
3040 optind = 1;
3041 while (optind < argc) {
3042 if (argv[optind][0] != '-') {
3043 /* disk image */
3044 optind++;
3045 } else {
3046 const QEMUOption *popt;
3047
3048 popt = lookup_opt(argc, argv, &optarg, &optind);
3049 switch (popt->index) {
3050 case QEMU_OPTION_nodefconfig:
3051 defconfig = false;
3052 break;
3053 case QEMU_OPTION_nouserconfig:
3054 userconfig = false;
3055 break;
3056 }
3057 }
3058 }
3059
3060 if (defconfig) {
3061 int ret;
3062 ret = qemu_read_default_config_files(userconfig);
3063 if (ret < 0) {
3064 exit(1);
3065 }
3066 }
3067
3068 /* second pass of option parsing */
3069 optind = 1;
3070 for(;;) {
3071 if (optind >= argc)
3072 break;
3073 if (argv[optind][0] != '-') {
3074 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3075 } else {
3076 const QEMUOption *popt;
3077
3078 popt = lookup_opt(argc, argv, &optarg, &optind);
3079 if (!(popt->arch_mask & arch_type)) {
3080 printf("Option %s not supported for this target\n", popt->name);
3081 exit(1);
3082 }
3083 switch(popt->index) {
3084 case QEMU_OPTION_M:
3085 machine_class = machine_parse(optarg);
3086 break;
3087 case QEMU_OPTION_no_kvm_irqchip: {
3088 olist = qemu_find_opts("machine");
3089 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3090 break;
3091 }
3092 case QEMU_OPTION_cpu:
3093 /* hw initialization will check this */
3094 cpu_model = optarg;
3095 break;
3096 case QEMU_OPTION_hda:
3097 {
3098 char buf[256];
3099 if (cyls == 0)
3100 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3101 else
3102 snprintf(buf, sizeof(buf),
3103 "%s,cyls=%d,heads=%d,secs=%d%s",
3104 HD_OPTS , cyls, heads, secs,
3105 translation == BIOS_ATA_TRANSLATION_LBA ?
3106 ",trans=lba" :
3107 translation == BIOS_ATA_TRANSLATION_NONE ?
3108 ",trans=none" : "");
3109 drive_add(IF_DEFAULT, 0, optarg, buf);
3110 break;
3111 }
3112 case QEMU_OPTION_hdb:
3113 case QEMU_OPTION_hdc:
3114 case QEMU_OPTION_hdd:
3115 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3116 HD_OPTS);
3117 break;
3118 case QEMU_OPTION_drive:
3119 if (drive_def(optarg) == NULL) {
3120 exit(1);
3121 }
3122 break;
3123 case QEMU_OPTION_set:
3124 if (qemu_set_option(optarg) != 0)
3125 exit(1);
3126 break;
3127 case QEMU_OPTION_global:
3128 if (qemu_global_option(optarg) != 0)
3129 exit(1);
3130 break;
3131 case QEMU_OPTION_mtdblock:
3132 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3133 break;
3134 case QEMU_OPTION_sd:
3135 drive_add(IF_SD, -1, optarg, SD_OPTS);
3136 break;
3137 case QEMU_OPTION_pflash:
3138 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3139 break;
3140 case QEMU_OPTION_snapshot:
3141 snapshot = 1;
3142 break;
3143 case QEMU_OPTION_hdachs:
3144 {
3145 const char *p;
3146 p = optarg;
3147 cyls = strtol(p, (char **)&p, 0);
3148 if (cyls < 1 || cyls > 16383)
3149 goto chs_fail;
3150 if (*p != ',')
3151 goto chs_fail;
3152 p++;
3153 heads = strtol(p, (char **)&p, 0);
3154 if (heads < 1 || heads > 16)
3155 goto chs_fail;
3156 if (*p != ',')
3157 goto chs_fail;
3158 p++;
3159 secs = strtol(p, (char **)&p, 0);
3160 if (secs < 1 || secs > 63)
3161 goto chs_fail;
3162 if (*p == ',') {
3163 p++;
3164 if (!strcmp(p, "large")) {
3165 translation = BIOS_ATA_TRANSLATION_LARGE;
3166 } else if (!strcmp(p, "rechs")) {
3167 translation = BIOS_ATA_TRANSLATION_RECHS;
3168 } else if (!strcmp(p, "none")) {
3169 translation = BIOS_ATA_TRANSLATION_NONE;
3170 } else if (!strcmp(p, "lba")) {
3171 translation = BIOS_ATA_TRANSLATION_LBA;
3172 } else if (!strcmp(p, "auto")) {
3173 translation = BIOS_ATA_TRANSLATION_AUTO;
3174 } else {
3175 goto chs_fail;
3176 }
3177 } else if (*p != '\0') {
3178 chs_fail:
3179 fprintf(stderr, "qemu: invalid physical CHS format\n");
3180 exit(1);
3181 }
3182 if (hda_opts != NULL) {
3183 char num[16];
3184 snprintf(num, sizeof(num), "%d", cyls);
3185 qemu_opt_set(hda_opts, "cyls", num);
3186 snprintf(num, sizeof(num), "%d", heads);
3187 qemu_opt_set(hda_opts, "heads", num);
3188 snprintf(num, sizeof(num), "%d", secs);
3189 qemu_opt_set(hda_opts, "secs", num);
3190 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3191 qemu_opt_set(hda_opts, "trans", "large");
3192 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3193 qemu_opt_set(hda_opts, "trans", "rechs");
3194 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3195 qemu_opt_set(hda_opts, "trans", "lba");
3196 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3197 qemu_opt_set(hda_opts, "trans", "none");
3198 }
3199 }
3200 }
3201 break;
3202 case QEMU_OPTION_numa:
3203 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3204 if (!opts) {
3205 exit(1);
3206 }
3207 break;
3208 case QEMU_OPTION_display:
3209 display_type = select_display(optarg);
3210 break;
3211 case QEMU_OPTION_nographic:
3212 display_type = DT_NOGRAPHIC;
3213 break;
3214 case QEMU_OPTION_curses:
3215 #ifdef CONFIG_CURSES
3216 display_type = DT_CURSES;
3217 #else
3218 fprintf(stderr, "Curses support is disabled\n");
3219 exit(1);
3220 #endif
3221 break;
3222 case QEMU_OPTION_portrait:
3223 graphic_rotate = 90;
3224 break;
3225 case QEMU_OPTION_rotate:
3226 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3227 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3228 graphic_rotate != 180 && graphic_rotate != 270) {
3229 fprintf(stderr,
3230 "qemu: only 90, 180, 270 deg rotation is available\n");
3231 exit(1);
3232 }
3233 break;
3234 case QEMU_OPTION_kernel:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3236 break;
3237 case QEMU_OPTION_initrd:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3239 break;
3240 case QEMU_OPTION_append:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3245 break;
3246 case QEMU_OPTION_cdrom:
3247 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3248 break;
3249 case QEMU_OPTION_boot:
3250 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3251 if (!opts) {
3252 exit(1);
3253 }
3254 break;
3255 case QEMU_OPTION_fda:
3256 case QEMU_OPTION_fdb:
3257 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3258 optarg, FD_OPTS);
3259 break;
3260 case QEMU_OPTION_no_fd_bootchk:
3261 fd_bootchk = 0;
3262 break;
3263 case QEMU_OPTION_netdev:
3264 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3265 exit(1);
3266 }
3267 break;
3268 case QEMU_OPTION_net:
3269 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3270 exit(1);
3271 }
3272 break;
3273 #ifdef CONFIG_LIBISCSI
3274 case QEMU_OPTION_iscsi:
3275 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3276 if (!opts) {
3277 exit(1);
3278 }
3279 break;
3280 #endif
3281 #ifdef CONFIG_SLIRP
3282 case QEMU_OPTION_tftp:
3283 legacy_tftp_prefix = optarg;
3284 break;
3285 case QEMU_OPTION_bootp:
3286 legacy_bootp_filename = optarg;
3287 break;
3288 case QEMU_OPTION_redir:
3289 if (net_slirp_redir(optarg) < 0)
3290 exit(1);
3291 break;
3292 #endif
3293 case QEMU_OPTION_bt:
3294 add_device_config(DEV_BT, optarg);
3295 break;
3296 case QEMU_OPTION_audio_help:
3297 AUD_help ();
3298 exit (0);
3299 break;
3300 case QEMU_OPTION_soundhw:
3301 select_soundhw (optarg);
3302 break;
3303 case QEMU_OPTION_h:
3304 help(0);
3305 break;
3306 case QEMU_OPTION_version:
3307 version();
3308 exit(0);
3309 break;
3310 case QEMU_OPTION_m: {
3311 uint64_t sz;
3312 const char *mem_str;
3313 const char *maxmem_str, *slots_str;
3314
3315 opts = qemu_opts_parse(qemu_find_opts("memory"),
3316 optarg, 1);
3317 if (!opts) {
3318 exit(EXIT_FAILURE);
3319 }
3320
3321 mem_str = qemu_opt_get(opts, "size");
3322 if (!mem_str) {
3323 error_report("invalid -m option, missing 'size' option");
3324 exit(EXIT_FAILURE);
3325 }
3326 if (!*mem_str) {
3327 error_report("missing 'size' option value");
3328 exit(EXIT_FAILURE);
3329 }
3330
3331 sz = qemu_opt_get_size(opts, "size", ram_size);
3332
3333 /* Fix up legacy suffix-less format */
3334 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3335 uint64_t overflow_check = sz;
3336
3337 sz <<= 20;
3338 if ((sz >> 20) != overflow_check) {
3339 error_report("too large 'size' option value");
3340 exit(EXIT_FAILURE);
3341 }
3342 }
3343
3344 /* backward compatibility behaviour for case "-m 0" */
3345 if (sz == 0) {
3346 sz = default_ram_size;
3347 }
3348
3349 sz = QEMU_ALIGN_UP(sz, 8192);
3350 ram_size = sz;
3351 if (ram_size != sz) {
3352 error_report("ram size too large");
3353 exit(EXIT_FAILURE);
3354 }
3355 maxram_size = ram_size;
3356
3357 maxmem_str = qemu_opt_get(opts, "maxmem");
3358 slots_str = qemu_opt_get(opts, "slots");
3359 if (maxmem_str && slots_str) {
3360 uint64_t slots;
3361
3362 sz = qemu_opt_get_size(opts, "maxmem", 0);
3363 if (sz < ram_size) {
3364 error_report("invalid -m option value: maxmem "
3365 "(0x%" PRIx64 ") <= initial memory (0x"
3366 RAM_ADDR_FMT ")", sz, ram_size);
3367 exit(EXIT_FAILURE);
3368 }
3369
3370 slots = qemu_opt_get_number(opts, "slots", 0);
3371 if ((sz > ram_size) && !slots) {
3372 error_report("invalid -m option value: maxmem "
3373 "(0x%" PRIx64 ") more than initial memory (0x"
3374 RAM_ADDR_FMT ") but no hotplug slots where "
3375 "specified", sz, ram_size);
3376 exit(EXIT_FAILURE);
3377 }
3378
3379 if ((sz <= ram_size) && slots) {
3380 error_report("invalid -m option value: %"
3381 PRIu64 " hotplug slots where specified but "
3382 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3383 RAM_ADDR_FMT ")", slots, sz, ram_size);
3384 exit(EXIT_FAILURE);
3385 }
3386 maxram_size = sz;
3387 ram_slots = slots;
3388 } else if ((!maxmem_str && slots_str) ||
3389 (maxmem_str && !slots_str)) {
3390 error_report("invalid -m option value: missing "
3391 "'%s' option", slots_str ? "maxmem" : "slots");
3392 exit(EXIT_FAILURE);
3393 }
3394 break;
3395 }
3396 #ifdef CONFIG_TPM
3397 case QEMU_OPTION_tpmdev:
3398 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3399 exit(1);
3400 }
3401 break;
3402 #endif
3403 case QEMU_OPTION_mempath:
3404 mem_path = optarg;
3405 break;
3406 case QEMU_OPTION_mem_prealloc:
3407 mem_prealloc = 1;
3408 break;
3409 case QEMU_OPTION_d:
3410 log_mask = optarg;
3411 break;
3412 case QEMU_OPTION_D:
3413 log_file = optarg;
3414 break;
3415 case QEMU_OPTION_s:
3416 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3417 break;
3418 case QEMU_OPTION_gdb:
3419 add_device_config(DEV_GDB, optarg);
3420 break;
3421 case QEMU_OPTION_L:
3422 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3423 data_dir[data_dir_idx++] = optarg;
3424 }
3425 break;
3426 case QEMU_OPTION_bios:
3427 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3428 break;
3429 case QEMU_OPTION_singlestep:
3430 singlestep = 1;
3431 break;
3432 case QEMU_OPTION_S:
3433 autostart = 0;
3434 break;
3435 case QEMU_OPTION_k:
3436 keyboard_layout = optarg;
3437 break;
3438 case QEMU_OPTION_localtime:
3439 rtc_utc = 0;
3440 break;
3441 case QEMU_OPTION_vga:
3442 vga_model = optarg;
3443 default_vga = 0;
3444 break;
3445 case QEMU_OPTION_g:
3446 {
3447 const char *p;
3448 int w, h, depth;
3449 p = optarg;
3450 w = strtol(p, (char **)&p, 10);
3451 if (w <= 0) {
3452 graphic_error:
3453 fprintf(stderr, "qemu: invalid resolution or depth\n");
3454 exit(1);
3455 }
3456 if (*p != 'x')
3457 goto graphic_error;
3458 p++;
3459 h = strtol(p, (char **)&p, 10);
3460 if (h <= 0)
3461 goto graphic_error;
3462 if (*p == 'x') {
3463 p++;
3464 depth = strtol(p, (char **)&p, 10);
3465 if (depth != 8 && depth != 15 && depth != 16 &&
3466 depth != 24 && depth != 32)
3467 goto graphic_error;
3468 } else if (*p == '\0') {
3469 depth = graphic_depth;
3470 } else {
3471 goto graphic_error;
3472 }
3473
3474 graphic_width = w;
3475 graphic_height = h;
3476 graphic_depth = depth;
3477 }
3478 break;
3479 case QEMU_OPTION_echr:
3480 {
3481 char *r;
3482 term_escape_char = strtol(optarg, &r, 0);
3483 if (r == optarg)
3484 printf("Bad argument to echr\n");
3485 break;
3486 }
3487 case QEMU_OPTION_monitor:
3488 default_monitor = 0;
3489 if (strncmp(optarg, "none", 4)) {
3490 monitor_parse(optarg, "readline");
3491 }
3492 break;
3493 case QEMU_OPTION_qmp:
3494 monitor_parse(optarg, "control");
3495 default_monitor = 0;
3496 break;
3497 case QEMU_OPTION_mon:
3498 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3499 if (!opts) {
3500 exit(1);
3501 }
3502 default_monitor = 0;
3503 break;
3504 case QEMU_OPTION_chardev:
3505 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3506 if (!opts) {
3507 exit(1);
3508 }
3509 break;
3510 case QEMU_OPTION_fsdev:
3511 olist = qemu_find_opts("fsdev");
3512 if (!olist) {
3513 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3514 exit(1);
3515 }
3516 opts = qemu_opts_parse(olist, optarg, 1);
3517 if (!opts) {
3518 exit(1);
3519 }
3520 break;
3521 case QEMU_OPTION_virtfs: {
3522 QemuOpts *fsdev;
3523 QemuOpts *device;
3524 const char *writeout, *sock_fd, *socket;
3525
3526 olist = qemu_find_opts("virtfs");
3527 if (!olist) {
3528 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3529 exit(1);
3530 }
3531 opts = qemu_opts_parse(olist, optarg, 1);
3532 if (!opts) {
3533 exit(1);
3534 }
3535
3536 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3537 qemu_opt_get(opts, "mount_tag") == NULL) {
3538 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3539 exit(1);
3540 }
3541 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3542 qemu_opt_get(opts, "mount_tag"),
3543 1, NULL);
3544 if (!fsdev) {
3545 fprintf(stderr, "duplicate fsdev id: %s\n",
3546 qemu_opt_get(opts, "mount_tag"));
3547 exit(1);
3548 }
3549
3550 writeout = qemu_opt_get(opts, "writeout");
3551 if (writeout) {
3552 #ifdef CONFIG_SYNC_FILE_RANGE
3553 qemu_opt_set(fsdev, "writeout", writeout);
3554 #else
3555 fprintf(stderr, "writeout=immediate not supported on "
3556 "this platform\n");
3557 exit(1);
3558 #endif
3559 }
3560 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3561 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3562 qemu_opt_set(fsdev, "security_model",
3563 qemu_opt_get(opts, "security_model"));
3564 socket = qemu_opt_get(opts, "socket");
3565 if (socket) {
3566 qemu_opt_set(fsdev, "socket", socket);
3567 }
3568 sock_fd = qemu_opt_get(opts, "sock_fd");
3569 if (sock_fd) {
3570 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3571 }
3572
3573 qemu_opt_set_bool(fsdev, "readonly",
3574 qemu_opt_get_bool(opts, "readonly", 0));
3575 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3576 &error_abort);
3577 qemu_opt_set(device, "driver", "virtio-9p-pci");
3578 qemu_opt_set(device, "fsdev",
3579 qemu_opt_get(opts, "mount_tag"));
3580 qemu_opt_set(device, "mount_tag",
3581 qemu_opt_get(opts, "mount_tag"));
3582 break;
3583 }
3584 case QEMU_OPTION_virtfs_synth: {
3585 QemuOpts *fsdev;
3586 QemuOpts *device;
3587
3588 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3589 1, NULL);
3590 if (!fsdev) {
3591 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3592 exit(1);
3593 }
3594 qemu_opt_set(fsdev, "fsdriver", "synth");
3595
3596 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3597 &error_abort);
3598 qemu_opt_set(device, "driver", "virtio-9p-pci");
3599 qemu_opt_set(device, "fsdev", "v_synth");
3600 qemu_opt_set(device, "mount_tag", "v_synth");
3601 break;
3602 }
3603 case QEMU_OPTION_serial:
3604 add_device_config(DEV_SERIAL, optarg);
3605 default_serial = 0;
3606 if (strncmp(optarg, "mon:", 4) == 0) {
3607 default_monitor = 0;
3608 }
3609 break;
3610 case QEMU_OPTION_watchdog:
3611 if (watchdog) {
3612 fprintf(stderr,
3613 "qemu: only one watchdog option may be given\n");
3614 return 1;
3615 }
3616 watchdog = optarg;
3617 break;
3618 case QEMU_OPTION_watchdog_action:
3619 if (select_watchdog_action(optarg) == -1) {
3620 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3621 exit(1);
3622 }
3623 break;
3624 case QEMU_OPTION_virtiocon:
3625 add_device_config(DEV_VIRTCON, optarg);
3626 default_virtcon = 0;
3627 if (strncmp(optarg, "mon:", 4) == 0) {
3628 default_monitor = 0;
3629 }
3630 break;
3631 case QEMU_OPTION_parallel:
3632 add_device_config(DEV_PARALLEL, optarg);
3633 default_parallel = 0;
3634 if (strncmp(optarg, "mon:", 4) == 0) {
3635 default_monitor = 0;
3636 }
3637 break;
3638 case QEMU_OPTION_debugcon:
3639 add_device_config(DEV_DEBUGCON, optarg);
3640 break;
3641 case QEMU_OPTION_loadvm:
3642 loadvm = optarg;
3643 break;
3644 case QEMU_OPTION_full_screen:
3645 full_screen = 1;
3646 break;
3647 case QEMU_OPTION_no_frame:
3648 no_frame = 1;
3649 break;
3650 case QEMU_OPTION_alt_grab:
3651 alt_grab = 1;
3652 break;
3653 case QEMU_OPTION_ctrl_grab:
3654 ctrl_grab = 1;
3655 break;
3656 case QEMU_OPTION_no_quit:
3657 no_quit = 1;
3658 break;
3659 case QEMU_OPTION_sdl:
3660 #ifdef CONFIG_SDL
3661 display_type = DT_SDL;
3662 break;
3663 #else
3664 fprintf(stderr, "SDL support is disabled\n");
3665 exit(1);
3666 #endif
3667 case QEMU_OPTION_pidfile:
3668 pid_file = optarg;
3669 break;
3670 case QEMU_OPTION_win2k_hack:
3671 win2k_install_hack = 1;
3672 break;
3673 case QEMU_OPTION_rtc_td_hack: {
3674 static GlobalProperty slew_lost_ticks[] = {
3675 {
3676 .driver = "mc146818rtc",
3677 .property = "lost_tick_policy",
3678 .value = "slew",
3679 },
3680 { /* end of list */ }
3681 };
3682
3683 qdev_prop_register_global_list(slew_lost_ticks);
3684 break;
3685 }
3686 case QEMU_OPTION_acpitable:
3687 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3688 if (!opts) {
3689 exit(1);
3690 }
3691 do_acpitable_option(opts);
3692 break;
3693 case QEMU_OPTION_smbios:
3694 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3695 if (!opts) {
3696 exit(1);
3697 }
3698 do_smbios_option(opts);
3699 break;
3700 case QEMU_OPTION_enable_kvm:
3701 olist = qemu_find_opts("machine");
3702 qemu_opts_parse(olist, "accel=kvm", 0);
3703 break;
3704 case QEMU_OPTION_machine:
3705 olist = qemu_find_opts("machine");
3706 opts = qemu_opts_parse(olist, optarg, 1);
3707 if (!opts) {
3708 exit(1);
3709 }
3710 optarg = qemu_opt_get(opts, "type");
3711 if (optarg) {
3712 machine_class = machine_parse(optarg);
3713 }
3714 break;
3715 case QEMU_OPTION_no_kvm:
3716 olist = qemu_find_opts("machine");
3717 qemu_opts_parse(olist, "accel=tcg", 0);
3718 break;
3719 case QEMU_OPTION_no_kvm_pit: {
3720 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3721 "separately.\n");
3722 break;
3723 }
3724 case QEMU_OPTION_no_kvm_pit_reinjection: {
3725 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3726 {
3727 .driver = "kvm-pit",
3728 .property = "lost_tick_policy",
3729 .value = "discard",
3730 },
3731 { /* end of list */ }
3732 };
3733
3734 fprintf(stderr, "Warning: option deprecated, use "
3735 "lost_tick_policy property of kvm-pit instead.\n");
3736 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3737 break;
3738 }
3739 case QEMU_OPTION_usb:
3740 olist = qemu_find_opts("machine");
3741 qemu_opts_parse(olist, "usb=on", 0);
3742 break;
3743 case QEMU_OPTION_usbdevice:
3744 olist = qemu_find_opts("machine");
3745 qemu_opts_parse(olist, "usb=on", 0);
3746 add_device_config(DEV_USB, optarg);
3747 break;
3748 case QEMU_OPTION_device:
3749 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3750 exit(1);
3751 }
3752 break;
3753 case QEMU_OPTION_smp:
3754 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3755 exit(1);
3756 }
3757 break;
3758 case QEMU_OPTION_vnc:
3759 #ifdef CONFIG_VNC
3760 display_remote++;
3761 vnc_display = optarg;
3762 #else
3763 fprintf(stderr, "VNC support is disabled\n");
3764 exit(1);
3765 #endif
3766 break;
3767 case QEMU_OPTION_no_acpi:
3768 acpi_enabled = 0;
3769 break;
3770 case QEMU_OPTION_no_hpet:
3771 no_hpet = 1;
3772 break;
3773 case QEMU_OPTION_balloon:
3774 if (balloon_parse(optarg) < 0) {
3775 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3776 exit(1);
3777 }
3778 break;
3779 case QEMU_OPTION_no_reboot:
3780 no_reboot = 1;
3781 break;
3782 case QEMU_OPTION_no_shutdown:
3783 no_shutdown = 1;
3784 break;
3785 case QEMU_OPTION_show_cursor:
3786 cursor_hide = 0;
3787 break;
3788 case QEMU_OPTION_uuid:
3789 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3790 fprintf(stderr, "Fail to parse UUID string."
3791 " Wrong format.\n");
3792 exit(1);
3793 }
3794 qemu_uuid_set = true;
3795 break;
3796 case QEMU_OPTION_option_rom:
3797 if (nb_option_roms >= MAX_OPTION_ROMS) {
3798 fprintf(stderr, "Too many option ROMs\n");
3799 exit(1);
3800 }
3801 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3802 if (!opts) {
3803 exit(1);
3804 }
3805 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3806 option_rom[nb_option_roms].bootindex =
3807 qemu_opt_get_number(opts, "bootindex", -1);
3808 if (!option_rom[nb_option_roms].name) {
3809 fprintf(stderr, "Option ROM file is not specified\n");
3810 exit(1);
3811 }
3812 nb_option_roms++;
3813 break;
3814 case QEMU_OPTION_semihosting:
3815 semihosting_enabled = 1;
3816 break;
3817 case QEMU_OPTION_tdf:
3818 fprintf(stderr, "Warning: user space PIT time drift fix "
3819 "is no longer supported.\n");
3820 break;
3821 case QEMU_OPTION_name:
3822 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3823 if (!opts) {
3824 exit(1);
3825 }
3826 break;
3827 case QEMU_OPTION_prom_env:
3828 if (nb_prom_envs >= MAX_PROM_ENVS) {
3829 fprintf(stderr, "Too many prom variables\n");
3830 exit(1);
3831 }
3832 prom_envs[nb_prom_envs] = optarg;
3833 nb_prom_envs++;
3834 break;
3835 case QEMU_OPTION_old_param:
3836 old_param = 1;
3837 break;
3838 case QEMU_OPTION_clock:
3839 /* Clock options no longer exist. Keep this option for
3840 * backward compatibility.
3841 */
3842 break;
3843 case QEMU_OPTION_startdate:
3844 configure_rtc_date_offset(optarg, 1);
3845 break;
3846 case QEMU_OPTION_rtc:
3847 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3848 if (!opts) {
3849 exit(1);
3850 }
3851 configure_rtc(opts);
3852 break;
3853 case QEMU_OPTION_tb_size:
3854 tcg_tb_size = strtol(optarg, NULL, 0);
3855 if (tcg_tb_size < 0) {
3856 tcg_tb_size = 0;
3857 }
3858 break;
3859 case QEMU_OPTION_icount:
3860 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3861 optarg, 1);
3862 if (!icount_opts) {
3863 exit(1);
3864 }
3865 break;
3866 case QEMU_OPTION_incoming:
3867 incoming = optarg;
3868 runstate_set(RUN_STATE_INMIGRATE);
3869 break;
3870 case QEMU_OPTION_nodefaults:
3871 has_defaults = 0;
3872 break;
3873 case QEMU_OPTION_xen_domid:
3874 if (!(xen_available())) {
3875 printf("Option %s not supported for this target\n", popt->name);
3876 exit(1);
3877 }
3878 xen_domid = atoi(optarg);
3879 break;
3880 case QEMU_OPTION_xen_create:
3881 if (!(xen_available())) {
3882 printf("Option %s not supported for this target\n", popt->name);
3883 exit(1);
3884 }
3885 xen_mode = XEN_CREATE;
3886 break;
3887 case QEMU_OPTION_xen_attach:
3888 if (!(xen_available())) {
3889 printf("Option %s not supported for this target\n", popt->name);
3890 exit(1);
3891 }
3892 xen_mode = XEN_ATTACH;
3893 break;
3894 case QEMU_OPTION_trace:
3895 {
3896 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 trace_events = qemu_opt_get(opts, "events");
3901 trace_file = qemu_opt_get(opts, "file");
3902 break;
3903 }
3904 case QEMU_OPTION_readconfig:
3905 {
3906 int ret = qemu_read_config_file(optarg);
3907 if (ret < 0) {
3908 fprintf(stderr, "read config %s: %s\n", optarg,
3909 strerror(-ret));
3910 exit(1);
3911 }
3912 break;
3913 }
3914 case QEMU_OPTION_spice:
3915 olist = qemu_find_opts("spice");
3916 if (!olist) {
3917 fprintf(stderr, "spice is not supported by this qemu build.\n");
3918 exit(1);
3919 }
3920 opts = qemu_opts_parse(olist, optarg, 0);
3921 if (!opts) {
3922 exit(1);
3923 }
3924 display_remote++;
3925 break;
3926 case QEMU_OPTION_writeconfig:
3927 {
3928 FILE *fp;
3929 if (strcmp(optarg, "-") == 0) {
3930 fp = stdout;
3931 } else {
3932 fp = fopen(optarg, "w");
3933 if (fp == NULL) {
3934 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3935 exit(1);
3936 }
3937 }
3938 qemu_config_write(fp);
3939 if (fp != stdout) {
3940 fclose(fp);
3941 }
3942 break;
3943 }
3944 case QEMU_OPTION_qtest:
3945 qtest_chrdev = optarg;
3946 break;
3947 case QEMU_OPTION_qtest_log:
3948 qtest_log = optarg;
3949 break;
3950 case QEMU_OPTION_sandbox:
3951 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3952 if (!opts) {
3953 exit(1);
3954 }
3955 break;
3956 case QEMU_OPTION_add_fd:
3957 #ifndef _WIN32
3958 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3959 if (!opts) {
3960 exit(1);
3961 }
3962 #else
3963 error_report("File descriptor passing is disabled on this "
3964 "platform");
3965 exit(1);
3966 #endif
3967 break;
3968 case QEMU_OPTION_object:
3969 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3970 if (!opts) {
3971 exit(1);
3972 }
3973 break;
3974 case QEMU_OPTION_realtime:
3975 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3980 break;
3981 case QEMU_OPTION_msg:
3982 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3983 if (!opts) {
3984 exit(1);
3985 }
3986 configure_msg(opts);
3987 break;
3988 case QEMU_OPTION_dump_vmstate:
3989 vmstate_dump_file = fopen(optarg, "w");
3990 if (vmstate_dump_file == NULL) {
3991 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3992 exit(1);
3993 }
3994 break;
3995 default:
3996 os_parse_cmd_args(popt->index, optarg);
3997 }
3998 }
3999 }
4000 loc_set_none();
4001
4002 os_daemonize();
4003
4004 if (qemu_init_main_loop(&main_loop_err)) {
4005 error_report("%s", error_get_pretty(main_loop_err));
4006 exit(1);
4007 }
4008
4009 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4010 exit(1);
4011 }
4012
4013 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4014 exit(1);
4015 }
4016
4017 #ifndef _WIN32
4018 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4023 exit(1);
4024 }
4025 #endif
4026
4027 if (machine_class == NULL) {
4028 fprintf(stderr, "No machine specified, and there is no default.\n"
4029 "Use -machine help to list supported machines!\n");
4030 exit(1);
4031 }
4032
4033 current_machine = MACHINE(object_new(object_class_get_name(
4034 OBJECT_CLASS(machine_class))));
4035 object_property_add_child(object_get_root(), "machine",
4036 OBJECT(current_machine), &error_abort);
4037 cpu_exec_init_all();
4038
4039 if (machine_class->hw_version) {
4040 qemu_set_version(machine_class->hw_version);
4041 }
4042
4043 /* Init CPU def lists, based on config
4044 * - Must be called after all the qemu_read_config_file() calls
4045 * - Must be called before list_cpus()
4046 * - Must be called before machine->init()
4047 */
4048 cpudef_init();
4049
4050 if (cpu_model && is_help_option(cpu_model)) {
4051 list_cpus(stdout, &fprintf, cpu_model);
4052 exit(0);
4053 }
4054
4055 /* Open the logfile at this point, if necessary. We can't open the logfile
4056 * when encountering either of the logging options (-d or -D) because the
4057 * other one may be encountered later on the command line, changing the
4058 * location or level of logging.
4059 */
4060 if (log_mask) {
4061 int mask;
4062 if (log_file) {
4063 qemu_set_log_filename(log_file);
4064 }
4065
4066 mask = qemu_str_to_log_mask(log_mask);
4067 if (!mask) {
4068 qemu_print_log_usage(stdout);
4069 exit(1);
4070 }
4071 qemu_set_log(mask);
4072 }
4073
4074 if (!is_daemonized()) {
4075 if (!trace_init_backends(trace_events, trace_file)) {
4076 exit(1);
4077 }
4078 }
4079
4080 /* If no data_dir is specified then try to find it relative to the
4081 executable path. */
4082 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4083 data_dir[data_dir_idx] = os_find_datadir();
4084 if (data_dir[data_dir_idx] != NULL) {
4085 data_dir_idx++;
4086 }
4087 }
4088 /* If all else fails use the install path specified when building. */
4089 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4090 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4091 }
4092
4093 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4094
4095 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4096 if (smp_cpus > machine_class->max_cpus) {
4097 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4098 "supported by machine `%s' (%d)\n", smp_cpus,
4099 machine_class->name, machine_class->max_cpus);
4100 exit(1);
4101 }
4102
4103 /*
4104 * Get the default machine options from the machine if it is not already
4105 * specified either by the configuration file or by the command line.
4106 */
4107 if (machine_class->default_machine_opts) {
4108 qemu_opts_set_defaults(qemu_find_opts("machine"),
4109 machine_class->default_machine_opts, 0);
4110 }
4111
4112 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4113 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4114
4115 if (!vga_model && !default_vga) {
4116 vga_interface_type = VGA_DEVICE;
4117 }
4118 if (!has_defaults || machine_class->no_serial) {
4119 default_serial = 0;
4120 }
4121 if (!has_defaults || machine_class->no_parallel) {
4122 default_parallel = 0;
4123 }
4124 if (!has_defaults || !machine_class->use_virtcon) {
4125 default_virtcon = 0;
4126 }
4127 if (!has_defaults || !machine_class->use_sclp) {
4128 default_sclp = 0;
4129 }
4130 if (!has_defaults || machine_class->no_floppy) {
4131 default_floppy = 0;
4132 }
4133 if (!has_defaults || machine_class->no_cdrom) {
4134 default_cdrom = 0;
4135 }
4136 if (!has_defaults || machine_class->no_sdcard) {
4137 default_sdcard = 0;
4138 }
4139 if (!has_defaults) {
4140 default_monitor = 0;
4141 default_net = 0;
4142 default_vga = 0;
4143 }
4144
4145 if (is_daemonized()) {
4146 /* According to documentation and historically, -nographic redirects
4147 * serial port, parallel port and monitor to stdio, which does not work
4148 * with -daemonize. We can redirect these to null instead, but since
4149 * -nographic is legacy, let's just error out.
4150 * We disallow -nographic only if all other ports are not redirected
4151 * explicitly, to not break existing legacy setups which uses
4152 * -nographic _and_ redirects all ports explicitly - this is valid
4153 * usage, -nographic is just a no-op in this case.
4154 */
4155 if (display_type == DT_NOGRAPHIC
4156 && (default_parallel || default_serial
4157 || default_monitor || default_virtcon)) {
4158 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4159 exit(1);
4160 }
4161 #ifdef CONFIG_CURSES
4162 if (display_type == DT_CURSES) {
4163 fprintf(stderr, "curses display can not be used with -daemonize\n");
4164 exit(1);
4165 }
4166 #endif
4167 }
4168
4169 if (display_type == DT_NOGRAPHIC) {
4170 if (default_parallel)
4171 add_device_config(DEV_PARALLEL, "null");
4172 if (default_serial && default_monitor) {
4173 add_device_config(DEV_SERIAL, "mon:stdio");
4174 } else if (default_virtcon && default_monitor) {
4175 add_device_config(DEV_VIRTCON, "mon:stdio");
4176 } else if (default_sclp && default_monitor) {
4177 add_device_config(DEV_SCLP, "mon:stdio");
4178 } else {
4179 if (default_serial)
4180 add_device_config(DEV_SERIAL, "stdio");
4181 if (default_virtcon)
4182 add_device_config(DEV_VIRTCON, "stdio");
4183 if (default_sclp) {
4184 add_device_config(DEV_SCLP, "stdio");
4185 }
4186 if (default_monitor)
4187 monitor_parse("stdio", "readline");
4188 }
4189 } else {
4190 if (default_serial)
4191 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4192 if (default_parallel)
4193 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4194 if (default_monitor)
4195 monitor_parse("vc:80Cx24C", "readline");
4196 if (default_virtcon)
4197 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4198 if (default_sclp) {
4199 add_device_config(DEV_SCLP, "vc:80Cx24C");
4200 }
4201 }
4202
4203 if (display_type == DT_DEFAULT && !display_remote) {
4204 #if defined(CONFIG_GTK)
4205 display_type = DT_GTK;
4206 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4207 display_type = DT_SDL;
4208 #elif defined(CONFIG_VNC)
4209 vnc_display = "localhost:0,to=99";
4210 show_vnc_port = 1;
4211 #else
4212 display_type = DT_NONE;
4213 #endif
4214 }
4215
4216 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4217 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4218 "for SDL, ignoring option\n");
4219 }
4220 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4221 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4222 "ignoring option\n");
4223 }
4224
4225 #if defined(CONFIG_GTK)
4226 if (display_type == DT_GTK) {
4227 early_gtk_display_init();
4228 }
4229 #endif
4230
4231 socket_init();
4232
4233 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4234 exit(1);
4235 #ifdef CONFIG_VIRTFS
4236 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4237 exit(1);
4238 }
4239 #endif
4240
4241 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4242 os_pidfile_error();
4243 exit(1);
4244 }
4245
4246 /* store value for the future use */
4247 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4248
4249 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4250 != 0) {
4251 exit(0);
4252 }
4253
4254 if (qemu_opts_foreach(qemu_find_opts("object"),
4255 object_create, NULL, 0) != 0) {
4256 exit(1);
4257 }
4258
4259 machine_opts = qemu_get_machine_opts();
4260 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4261 1) < 0) {
4262 object_unref(OBJECT(current_machine));
4263 exit(1);
4264 }
4265
4266 configure_accelerator(machine_class);
4267
4268 if (qtest_chrdev) {
4269 Error *local_err = NULL;
4270 qtest_init(qtest_chrdev, qtest_log, &local_err);
4271 if (local_err) {
4272 error_report("%s", error_get_pretty(local_err));
4273 error_free(local_err);
4274 exit(1);
4275 }
4276 }
4277
4278 machine_opts = qemu_get_machine_opts();
4279 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4280 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4281 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4282 bios_name = qemu_opt_get(machine_opts, "firmware");
4283
4284 boot_order = machine_class->default_boot_order;
4285 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4286 if (opts) {
4287 char *normal_boot_order;
4288 const char *order, *once;
4289
4290 order = qemu_opt_get(opts, "order");
4291 if (order) {
4292 validate_bootdevices(order);
4293 boot_order = order;
4294 }
4295
4296 once = qemu_opt_get(opts, "once");
4297 if (once) {
4298 validate_bootdevices(once);
4299 normal_boot_order = g_strdup(boot_order);
4300 boot_order = once;
4301 qemu_register_reset(restore_boot_order, normal_boot_order);
4302 }
4303
4304 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4305 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4306 }
4307
4308 if (!kernel_cmdline) {
4309 kernel_cmdline = "";
4310 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4311 }
4312
4313 linux_boot = (kernel_filename != NULL);
4314
4315 if (!linux_boot && *kernel_cmdline != '\0') {
4316 fprintf(stderr, "-append only allowed with -kernel option\n");
4317 exit(1);
4318 }
4319
4320 if (!linux_boot && initrd_filename != NULL) {
4321 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4322 exit(1);
4323 }
4324
4325 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4326 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4327 exit(1);
4328 }
4329
4330 os_set_line_buffering();
4331
4332 qemu_init_cpu_loop();
4333 qemu_mutex_lock_iothread();
4334
4335 #ifdef CONFIG_SPICE
4336 /* spice needs the timers to be initialized by this point */
4337 qemu_spice_init();
4338 #endif
4339
4340 cpu_ticks_init();
4341 if (icount_opts) {
4342 if (kvm_enabled() || xen_enabled()) {
4343 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4344 exit(1);
4345 }
4346 configure_icount(icount_opts, &error_abort);
4347 qemu_opts_del(icount_opts);
4348 }
4349
4350 /* clean up network at qemu process termination */
4351 atexit(&net_cleanup);
4352
4353 if (net_init_clients() < 0) {
4354 exit(1);
4355 }
4356
4357 #ifdef CONFIG_TPM
4358 if (tpm_init() < 0) {
4359 exit(1);
4360 }
4361 #endif
4362
4363 /* init the bluetooth world */
4364 if (foreach_device_config(DEV_BT, bt_parse))
4365 exit(1);
4366
4367 if (!xen_enabled()) {
4368 /* On 32-bit hosts, QEMU is limited by virtual address space */
4369 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4370 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4371 exit(1);
4372 }
4373 }
4374
4375 blk_mig_init();
4376 ram_mig_init();
4377
4378 /* open the virtual block devices */
4379 if (snapshot)
4380 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4381 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4382 &machine_class->block_default_type, 1) != 0) {
4383 exit(1);
4384 }
4385
4386 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4387 CDROM_OPTS);
4388 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4389 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4390
4391 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4392 NULL, 1) != 0) {
4393 exit(1);
4394 }
4395
4396 set_numa_nodes();
4397
4398 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4399 exit(1);
4400 }
4401
4402 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4403 exit(1);
4404 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4405 exit(1);
4406 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4407 exit(1);
4408 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4409 exit(1);
4410 }
4411 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4412 exit(1);
4413
4414 /* If no default VGA is requested, the default is "none". */
4415 if (default_vga) {
4416 if (cirrus_vga_available()) {
4417 vga_model = "cirrus";
4418 } else if (vga_available()) {
4419 vga_model = "std";
4420 }
4421 }
4422 if (vga_model) {
4423 select_vgahw(vga_model);
4424 }
4425
4426 if (watchdog) {
4427 i = select_watchdog(watchdog);
4428 if (i > 0)
4429 exit (i == 1 ? 1 : 0);
4430 }
4431
4432 if (machine_class->compat_props) {
4433 qdev_prop_register_global_list(machine_class->compat_props);
4434 }
4435 qemu_add_globals();
4436
4437 qdev_machine_init();
4438
4439 current_machine->ram_size = ram_size;
4440 current_machine->maxram_size = maxram_size;
4441 current_machine->ram_slots = ram_slots;
4442 current_machine->boot_order = boot_order;
4443 current_machine->cpu_model = cpu_model;
4444
4445 machine_class->init(current_machine);
4446
4447 realtime_init();
4448
4449 audio_init();
4450
4451 cpu_synchronize_all_post_init();
4452
4453 set_numa_modes();
4454
4455 /* init USB devices */
4456 if (usb_enabled(false)) {
4457 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4458 exit(1);
4459 }
4460
4461 /* init generic devices */
4462 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4463 exit(1);
4464
4465 /* Did we create any drives that we failed to create a device for? */
4466 drive_check_orphaned();
4467
4468 net_check_clients();
4469
4470 ds = init_displaystate();
4471
4472 /* init local displays */
4473 switch (display_type) {
4474 case DT_NOGRAPHIC:
4475 (void)ds; /* avoid warning if no display is configured */
4476 break;
4477 #if defined(CONFIG_CURSES)
4478 case DT_CURSES:
4479 curses_display_init(ds, full_screen);
4480 break;
4481 #endif
4482 #if defined(CONFIG_SDL)
4483 case DT_SDL:
4484 sdl_display_init(ds, full_screen, no_frame);
4485 break;
4486 #elif defined(CONFIG_COCOA)
4487 case DT_SDL:
4488 cocoa_display_init(ds, full_screen);
4489 break;
4490 #endif
4491 #if defined(CONFIG_GTK)
4492 case DT_GTK:
4493 gtk_display_init(ds, full_screen, grab_on_hover);
4494 break;
4495 #endif
4496 default:
4497 break;
4498 }
4499
4500 /* must be after terminal init, SDL library changes signal handlers */
4501 os_setup_signal_handling();
4502
4503 #ifdef CONFIG_VNC
4504 /* init remote displays */
4505 if (vnc_display) {
4506 Error *local_err = NULL;
4507 vnc_display_init(ds);
4508 vnc_display_open(ds, vnc_display, &local_err);
4509 if (local_err != NULL) {
4510 error_report("Failed to start VNC server on `%s': %s",
4511 vnc_display, error_get_pretty(local_err));
4512 error_free(local_err);
4513 exit(1);
4514 }
4515
4516 if (show_vnc_port) {
4517 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4518 }
4519 }
4520 #endif
4521 #ifdef CONFIG_SPICE
4522 if (using_spice) {
4523 qemu_spice_display_init();
4524 }
4525 #endif
4526
4527 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4528 exit(1);
4529 }
4530
4531 qdev_machine_creation_done();
4532
4533 if (rom_load_all() != 0) {
4534 fprintf(stderr, "rom loading failed\n");
4535 exit(1);
4536 }
4537
4538 /* TODO: once all bus devices are qdevified, this should be done
4539 * when bus is created by qdev.c */
4540 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4541 qemu_run_machine_init_done_notifiers();
4542
4543 /* Done notifiers can load ROMs */
4544 rom_load_done();
4545
4546 qemu_system_reset(VMRESET_SILENT);
4547 if (loadvm) {
4548 if (load_vmstate(loadvm) < 0) {
4549 autostart = 0;
4550 }
4551 }
4552
4553 qdev_prop_check_globals();
4554 if (vmstate_dump_file) {
4555 /* dump and exit */
4556 dump_vmstate_json_to_file(vmstate_dump_file);
4557 return 0;
4558 }
4559
4560 if (incoming) {
4561 Error *local_err = NULL;
4562 qemu_start_incoming_migration(incoming, &local_err);
4563 if (local_err) {
4564 error_report("-incoming %s: %s", incoming,
4565 error_get_pretty(local_err));
4566 error_free(local_err);
4567 exit(1);
4568 }
4569 } else if (autostart) {
4570 vm_start();
4571 }
4572
4573 os_setup_post();
4574
4575 if (is_daemonized()) {
4576 if (!trace_init_backends(trace_events, trace_file)) {
4577 exit(1);
4578 }
4579 }
4580
4581 main_loop();
4582 bdrv_close_all();
4583 pause_all_vcpus();
4584 res_free();
4585 #ifdef CONFIG_TPM
4586 tpm_cleanup();
4587 #endif
4588
4589 return 0;
4590 }
QEmu