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gdbstub: Allow target CPUs to specify watchpoint STOP_BEFORE_ACCESS flag
[qemu.git] / vl.c
blobdebcbcceea8957dd342ec00d08768dc1925bae85
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->units_per_default_bus = qm->units_per_default_bus;
1589 mc->max_cpus = qm->max_cpus;
1590 mc->no_serial = qm->no_serial;
1591 mc->no_parallel = qm->no_parallel;
1592 mc->use_virtcon = qm->use_virtcon;
1593 mc->use_sclp = qm->use_sclp;
1594 mc->no_floppy = qm->no_floppy;
1595 mc->no_cdrom = qm->no_cdrom;
1596 mc->no_sdcard = qm->no_sdcard;
1597 mc->is_default = qm->is_default;
1598 mc->default_machine_opts = qm->default_machine_opts;
1599 mc->default_boot_order = qm->default_boot_order;
1600 mc->compat_props = qm->compat_props;
1601 mc->hw_version = qm->hw_version;
1602 }
1603
1604 int qemu_register_machine(QEMUMachine *m)
1605 {
1606 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1607 TypeInfo ti = {
1608 .name = name,
1609 .parent = TYPE_MACHINE,
1610 .class_init = machine_class_init,
1611 .class_data = (void *)m,
1612 };
1613
1614 type_register(&ti);
1615 g_free(name);
1616
1617 return 0;
1618 }
1619
1620 static MachineClass *find_machine(const char *name)
1621 {
1622 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1623 MachineClass *mc = NULL;
1624
1625 for (el = machines; el; el = el->next) {
1626 MachineClass *temp = el->data;
1627
1628 if (!strcmp(temp->name, name)) {
1629 mc = temp;
1630 break;
1631 }
1632 if (temp->alias &&
1633 !strcmp(temp->alias, name)) {
1634 mc = temp;
1635 break;
1636 }
1637 }
1638
1639 g_slist_free(machines);
1640 return mc;
1641 }
1642
1643 MachineClass *find_default_machine(void)
1644 {
1645 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1646 MachineClass *mc = NULL;
1647
1648 for (el = machines; el; el = el->next) {
1649 MachineClass *temp = el->data;
1650
1651 if (temp->is_default) {
1652 mc = temp;
1653 break;
1654 }
1655 }
1656
1657 g_slist_free(machines);
1658 return mc;
1659 }
1660
1661 MachineInfoList *qmp_query_machines(Error **errp)
1662 {
1663 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1664 MachineInfoList *mach_list = NULL;
1665
1666 for (el = machines; el; el = el->next) {
1667 MachineClass *mc = el->data;
1668 MachineInfoList *entry;
1669 MachineInfo *info;
1670
1671 info = g_malloc0(sizeof(*info));
1672 if (mc->is_default) {
1673 info->has_is_default = true;
1674 info->is_default = true;
1675 }
1676
1677 if (mc->alias) {
1678 info->has_alias = true;
1679 info->alias = g_strdup(mc->alias);
1680 }
1681
1682 info->name = g_strdup(mc->name);
1683 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1684
1685 entry = g_malloc0(sizeof(*entry));
1686 entry->value = info;
1687 entry->next = mach_list;
1688 mach_list = entry;
1689 }
1690
1691 g_slist_free(machines);
1692 return mach_list;
1693 }
1694
1695 /***********************************************************/
1696 /* main execution loop */
1697
1698 struct vm_change_state_entry {
1699 VMChangeStateHandler *cb;
1700 void *opaque;
1701 QLIST_ENTRY (vm_change_state_entry) entries;
1702 };
1703
1704 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1705
1706 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1707 void *opaque)
1708 {
1709 VMChangeStateEntry *e;
1710
1711 e = g_malloc0(sizeof (*e));
1712
1713 e->cb = cb;
1714 e->opaque = opaque;
1715 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1716 return e;
1717 }
1718
1719 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1720 {
1721 QLIST_REMOVE (e, entries);
1722 g_free (e);
1723 }
1724
1725 void vm_state_notify(int running, RunState state)
1726 {
1727 VMChangeStateEntry *e, *next;
1728
1729 trace_vm_state_notify(running, state);
1730
1731 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1732 e->cb(e->opaque, running, state);
1733 }
1734 }
1735
1736 /* reset/shutdown handler */
1737
1738 typedef struct QEMUResetEntry {
1739 QTAILQ_ENTRY(QEMUResetEntry) entry;
1740 QEMUResetHandler *func;
1741 void *opaque;
1742 } QEMUResetEntry;
1743
1744 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1745 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1746 static int reset_requested;
1747 static int shutdown_requested, shutdown_signal = -1;
1748 static pid_t shutdown_pid;
1749 static int powerdown_requested;
1750 static int debug_requested;
1751 static int suspend_requested;
1752 static WakeupReason wakeup_reason;
1753 static NotifierList powerdown_notifiers =
1754 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1755 static NotifierList suspend_notifiers =
1756 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1757 static NotifierList wakeup_notifiers =
1758 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1759 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1760
1761 int qemu_shutdown_requested_get(void)
1762 {
1763 return shutdown_requested;
1764 }
1765
1766 int qemu_reset_requested_get(void)
1767 {
1768 return reset_requested;
1769 }
1770
1771 static int qemu_shutdown_requested(void)
1772 {
1773 int r = shutdown_requested;
1774 shutdown_requested = 0;
1775 return r;
1776 }
1777
1778 static void qemu_kill_report(void)
1779 {
1780 if (!qtest_driver() && shutdown_signal != -1) {
1781 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1782 if (shutdown_pid == 0) {
1783 /* This happens for eg ^C at the terminal, so it's worth
1784 * avoiding printing an odd message in that case.
1785 */
1786 fputc('\n', stderr);
1787 } else {
1788 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1789 }
1790 shutdown_signal = -1;
1791 }
1792 }
1793
1794 static int qemu_reset_requested(void)
1795 {
1796 int r = reset_requested;
1797 reset_requested = 0;
1798 return r;
1799 }
1800
1801 static int qemu_suspend_requested(void)
1802 {
1803 int r = suspend_requested;
1804 suspend_requested = 0;
1805 return r;
1806 }
1807
1808 static WakeupReason qemu_wakeup_requested(void)
1809 {
1810 return wakeup_reason;
1811 }
1812
1813 static int qemu_powerdown_requested(void)
1814 {
1815 int r = powerdown_requested;
1816 powerdown_requested = 0;
1817 return r;
1818 }
1819
1820 static int qemu_debug_requested(void)
1821 {
1822 int r = debug_requested;
1823 debug_requested = 0;
1824 return r;
1825 }
1826
1827 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1828 {
1829 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1830
1831 re->func = func;
1832 re->opaque = opaque;
1833 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1834 }
1835
1836 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1837 {
1838 QEMUResetEntry *re;
1839
1840 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1841 if (re->func == func && re->opaque == opaque) {
1842 QTAILQ_REMOVE(&reset_handlers, re, entry);
1843 g_free(re);
1844 return;
1845 }
1846 }
1847 }
1848
1849 void qemu_devices_reset(void)
1850 {
1851 QEMUResetEntry *re, *nre;
1852
1853 /* reset all devices */
1854 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1855 re->func(re->opaque);
1856 }
1857 }
1858
1859 void qemu_system_reset(bool report)
1860 {
1861 MachineClass *mc;
1862
1863 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1864
1865 if (mc && mc->reset) {
1866 mc->reset();
1867 } else {
1868 qemu_devices_reset();
1869 }
1870 if (report) {
1871 qapi_event_send_reset(&error_abort);
1872 }
1873 cpu_synchronize_all_post_reset();
1874 }
1875
1876 void qemu_system_reset_request(void)
1877 {
1878 if (no_reboot) {
1879 shutdown_requested = 1;
1880 } else {
1881 reset_requested = 1;
1882 }
1883 cpu_stop_current();
1884 qemu_notify_event();
1885 }
1886
1887 static void qemu_system_suspend(void)
1888 {
1889 pause_all_vcpus();
1890 notifier_list_notify(&suspend_notifiers, NULL);
1891 runstate_set(RUN_STATE_SUSPENDED);
1892 qapi_event_send_suspend(&error_abort);
1893 }
1894
1895 void qemu_system_suspend_request(void)
1896 {
1897 if (runstate_check(RUN_STATE_SUSPENDED)) {
1898 return;
1899 }
1900 suspend_requested = 1;
1901 cpu_stop_current();
1902 qemu_notify_event();
1903 }
1904
1905 void qemu_register_suspend_notifier(Notifier *notifier)
1906 {
1907 notifier_list_add(&suspend_notifiers, notifier);
1908 }
1909
1910 void qemu_system_wakeup_request(WakeupReason reason)
1911 {
1912 trace_system_wakeup_request(reason);
1913
1914 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1915 return;
1916 }
1917 if (!(wakeup_reason_mask & (1 << reason))) {
1918 return;
1919 }
1920 runstate_set(RUN_STATE_RUNNING);
1921 wakeup_reason = reason;
1922 qemu_notify_event();
1923 }
1924
1925 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1926 {
1927 if (enabled) {
1928 wakeup_reason_mask |= (1 << reason);
1929 } else {
1930 wakeup_reason_mask &= ~(1 << reason);
1931 }
1932 }
1933
1934 void qemu_register_wakeup_notifier(Notifier *notifier)
1935 {
1936 notifier_list_add(&wakeup_notifiers, notifier);
1937 }
1938
1939 void qemu_system_killed(int signal, pid_t pid)
1940 {
1941 shutdown_signal = signal;
1942 shutdown_pid = pid;
1943 no_shutdown = 0;
1944 qemu_system_shutdown_request();
1945 }
1946
1947 void qemu_system_shutdown_request(void)
1948 {
1949 trace_qemu_system_shutdown_request();
1950 shutdown_requested = 1;
1951 qemu_notify_event();
1952 }
1953
1954 static void qemu_system_powerdown(void)
1955 {
1956 qapi_event_send_powerdown(&error_abort);
1957 notifier_list_notify(&powerdown_notifiers, NULL);
1958 }
1959
1960 void qemu_system_powerdown_request(void)
1961 {
1962 trace_qemu_system_powerdown_request();
1963 powerdown_requested = 1;
1964 qemu_notify_event();
1965 }
1966
1967 void qemu_register_powerdown_notifier(Notifier *notifier)
1968 {
1969 notifier_list_add(&powerdown_notifiers, notifier);
1970 }
1971
1972 void qemu_system_debug_request(void)
1973 {
1974 debug_requested = 1;
1975 qemu_notify_event();
1976 }
1977
1978 static bool main_loop_should_exit(void)
1979 {
1980 RunState r;
1981 if (qemu_debug_requested()) {
1982 vm_stop(RUN_STATE_DEBUG);
1983 }
1984 if (qemu_suspend_requested()) {
1985 qemu_system_suspend();
1986 }
1987 if (qemu_shutdown_requested()) {
1988 qemu_kill_report();
1989 qapi_event_send_shutdown(&error_abort);
1990 if (no_shutdown) {
1991 vm_stop(RUN_STATE_SHUTDOWN);
1992 } else {
1993 return true;
1994 }
1995 }
1996 if (qemu_reset_requested()) {
1997 pause_all_vcpus();
1998 cpu_synchronize_all_states();
1999 qemu_system_reset(VMRESET_REPORT);
2000 resume_all_vcpus();
2001 if (runstate_needs_reset()) {
2002 runstate_set(RUN_STATE_PAUSED);
2003 }
2004 }
2005 if (qemu_wakeup_requested()) {
2006 pause_all_vcpus();
2007 cpu_synchronize_all_states();
2008 qemu_system_reset(VMRESET_SILENT);
2009 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2010 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2011 resume_all_vcpus();
2012 qapi_event_send_wakeup(&error_abort);
2013 }
2014 if (qemu_powerdown_requested()) {
2015 qemu_system_powerdown();
2016 }
2017 if (qemu_vmstop_requested(&r)) {
2018 vm_stop(r);
2019 }
2020 return false;
2021 }
2022
2023 static void main_loop(void)
2024 {
2025 bool nonblocking;
2026 int last_io = 0;
2027 #ifdef CONFIG_PROFILER
2028 int64_t ti;
2029 #endif
2030 do {
2031 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2032 #ifdef CONFIG_PROFILER
2033 ti = profile_getclock();
2034 #endif
2035 last_io = main_loop_wait(nonblocking);
2036 #ifdef CONFIG_PROFILER
2037 dev_time += profile_getclock() - ti;
2038 #endif
2039 } while (!main_loop_should_exit());
2040 }
2041
2042 static void version(void)
2043 {
2044 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2045 }
2046
2047 static void help(int exitcode)
2048 {
2049 version();
2050 printf("usage: %s [options] [disk_image]\n\n"
2051 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2052 error_get_progname());
2053
2054 #define QEMU_OPTIONS_GENERATE_HELP
2055 #include "qemu-options-wrapper.h"
2056
2057 printf("\nDuring emulation, the following keys are useful:\n"
2058 "ctrl-alt-f toggle full screen\n"
2059 "ctrl-alt-n switch to virtual console 'n'\n"
2060 "ctrl-alt toggle mouse and keyboard grab\n"
2061 "\n"
2062 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2063
2064 exit(exitcode);
2065 }
2066
2067 #define HAS_ARG 0x0001
2068
2069 typedef struct QEMUOption {
2070 const char *name;
2071 int flags;
2072 int index;
2073 uint32_t arch_mask;
2074 } QEMUOption;
2075
2076 static const QEMUOption qemu_options[] = {
2077 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2078 #define QEMU_OPTIONS_GENERATE_OPTIONS
2079 #include "qemu-options-wrapper.h"
2080 { NULL },
2081 };
2082
2083 static bool vga_available(void)
2084 {
2085 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2086 }
2087
2088 static bool cirrus_vga_available(void)
2089 {
2090 return object_class_by_name("cirrus-vga")
2091 || object_class_by_name("isa-cirrus-vga");
2092 }
2093
2094 static bool vmware_vga_available(void)
2095 {
2096 return object_class_by_name("vmware-svga");
2097 }
2098
2099 static bool qxl_vga_available(void)
2100 {
2101 return object_class_by_name("qxl-vga");
2102 }
2103
2104 static bool tcx_vga_available(void)
2105 {
2106 return object_class_by_name("SUNW,tcx");
2107 }
2108
2109 static bool cg3_vga_available(void)
2110 {
2111 return object_class_by_name("cgthree");
2112 }
2113
2114 static void select_vgahw (const char *p)
2115 {
2116 const char *opts;
2117
2118 assert(vga_interface_type == VGA_NONE);
2119 if (strstart(p, "std", &opts)) {
2120 if (vga_available()) {
2121 vga_interface_type = VGA_STD;
2122 } else {
2123 fprintf(stderr, "Error: standard VGA not available\n");
2124 exit(0);
2125 }
2126 } else if (strstart(p, "cirrus", &opts)) {
2127 if (cirrus_vga_available()) {
2128 vga_interface_type = VGA_CIRRUS;
2129 } else {
2130 fprintf(stderr, "Error: Cirrus VGA not available\n");
2131 exit(0);
2132 }
2133 } else if (strstart(p, "vmware", &opts)) {
2134 if (vmware_vga_available()) {
2135 vga_interface_type = VGA_VMWARE;
2136 } else {
2137 fprintf(stderr, "Error: VMWare SVGA not available\n");
2138 exit(0);
2139 }
2140 } else if (strstart(p, "xenfb", &opts)) {
2141 vga_interface_type = VGA_XENFB;
2142 } else if (strstart(p, "qxl", &opts)) {
2143 if (qxl_vga_available()) {
2144 vga_interface_type = VGA_QXL;
2145 } else {
2146 fprintf(stderr, "Error: QXL VGA not available\n");
2147 exit(0);
2148 }
2149 } else if (strstart(p, "tcx", &opts)) {
2150 if (tcx_vga_available()) {
2151 vga_interface_type = VGA_TCX;
2152 } else {
2153 fprintf(stderr, "Error: TCX framebuffer not available\n");
2154 exit(0);
2155 }
2156 } else if (strstart(p, "cg3", &opts)) {
2157 if (cg3_vga_available()) {
2158 vga_interface_type = VGA_CG3;
2159 } else {
2160 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2161 exit(0);
2162 }
2163 } else if (!strstart(p, "none", &opts)) {
2164 invalid_vga:
2165 fprintf(stderr, "Unknown vga type: %s\n", p);
2166 exit(1);
2167 }
2168 while (*opts) {
2169 const char *nextopt;
2170
2171 if (strstart(opts, ",retrace=", &nextopt)) {
2172 opts = nextopt;
2173 if (strstart(opts, "dumb", &nextopt))
2174 vga_retrace_method = VGA_RETRACE_DUMB;
2175 else if (strstart(opts, "precise", &nextopt))
2176 vga_retrace_method = VGA_RETRACE_PRECISE;
2177 else goto invalid_vga;
2178 } else goto invalid_vga;
2179 opts = nextopt;
2180 }
2181 }
2182
2183 static DisplayType select_display(const char *p)
2184 {
2185 const char *opts;
2186 DisplayType display = DT_DEFAULT;
2187
2188 if (strstart(p, "sdl", &opts)) {
2189 #ifdef CONFIG_SDL
2190 display = DT_SDL;
2191 while (*opts) {
2192 const char *nextopt;
2193
2194 if (strstart(opts, ",frame=", &nextopt)) {
2195 opts = nextopt;
2196 if (strstart(opts, "on", &nextopt)) {
2197 no_frame = 0;
2198 } else if (strstart(opts, "off", &nextopt)) {
2199 no_frame = 1;
2200 } else {
2201 goto invalid_sdl_args;
2202 }
2203 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2204 opts = nextopt;
2205 if (strstart(opts, "on", &nextopt)) {
2206 alt_grab = 1;
2207 } else if (strstart(opts, "off", &nextopt)) {
2208 alt_grab = 0;
2209 } else {
2210 goto invalid_sdl_args;
2211 }
2212 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2213 opts = nextopt;
2214 if (strstart(opts, "on", &nextopt)) {
2215 ctrl_grab = 1;
2216 } else if (strstart(opts, "off", &nextopt)) {
2217 ctrl_grab = 0;
2218 } else {
2219 goto invalid_sdl_args;
2220 }
2221 } else if (strstart(opts, ",window_close=", &nextopt)) {
2222 opts = nextopt;
2223 if (strstart(opts, "on", &nextopt)) {
2224 no_quit = 0;
2225 } else if (strstart(opts, "off", &nextopt)) {
2226 no_quit = 1;
2227 } else {
2228 goto invalid_sdl_args;
2229 }
2230 } else {
2231 invalid_sdl_args:
2232 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2233 exit(1);
2234 }
2235 opts = nextopt;
2236 }
2237 #else
2238 fprintf(stderr, "SDL support is disabled\n");
2239 exit(1);
2240 #endif
2241 } else if (strstart(p, "vnc", &opts)) {
2242 #ifdef CONFIG_VNC
2243 display_remote++;
2244
2245 if (*opts) {
2246 const char *nextopt;
2247
2248 if (strstart(opts, "=", &nextopt)) {
2249 vnc_display = nextopt;
2250 }
2251 }
2252 if (!vnc_display) {
2253 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2254 exit(1);
2255 }
2256 #else
2257 fprintf(stderr, "VNC support is disabled\n");
2258 exit(1);
2259 #endif
2260 } else if (strstart(p, "curses", &opts)) {
2261 #ifdef CONFIG_CURSES
2262 display = DT_CURSES;
2263 #else
2264 fprintf(stderr, "Curses support is disabled\n");
2265 exit(1);
2266 #endif
2267 } else if (strstart(p, "gtk", &opts)) {
2268 #ifdef CONFIG_GTK
2269 display = DT_GTK;
2270 while (*opts) {
2271 const char *nextopt;
2272
2273 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2274 opts = nextopt;
2275 if (strstart(opts, "on", &nextopt)) {
2276 grab_on_hover = true;
2277 } else if (strstart(opts, "off", &nextopt)) {
2278 grab_on_hover = false;
2279 } else {
2280 goto invalid_gtk_args;
2281 }
2282 } else {
2283 invalid_gtk_args:
2284 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2285 exit(1);
2286 }
2287 opts = nextopt;
2288 }
2289 #else
2290 fprintf(stderr, "GTK support is disabled\n");
2291 exit(1);
2292 #endif
2293 } else if (strstart(p, "none", &opts)) {
2294 display = DT_NONE;
2295 } else {
2296 fprintf(stderr, "Unknown display type: %s\n", p);
2297 exit(1);
2298 }
2299
2300 return display;
2301 }
2302
2303 static int balloon_parse(const char *arg)
2304 {
2305 QemuOpts *opts;
2306
2307 if (strcmp(arg, "none") == 0) {
2308 return 0;
2309 }
2310
2311 if (!strncmp(arg, "virtio", 6)) {
2312 if (arg[6] == ',') {
2313 /* have params -> parse them */
2314 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2315 if (!opts)
2316 return -1;
2317 } else {
2318 /* create empty opts */
2319 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2320 &error_abort);
2321 }
2322 qemu_opt_set(opts, "driver", "virtio-balloon");
2323 return 0;
2324 }
2325
2326 return -1;
2327 }
2328
2329 char *qemu_find_file(int type, const char *name)
2330 {
2331 int i;
2332 const char *subdir;
2333 char *buf;
2334
2335 /* Try the name as a straight path first */
2336 if (access(name, R_OK) == 0) {
2337 trace_load_file(name, name);
2338 return g_strdup(name);
2339 }
2340
2341 switch (type) {
2342 case QEMU_FILE_TYPE_BIOS:
2343 subdir = "";
2344 break;
2345 case QEMU_FILE_TYPE_KEYMAP:
2346 subdir = "keymaps/";
2347 break;
2348 default:
2349 abort();
2350 }
2351
2352 for (i = 0; i < data_dir_idx; i++) {
2353 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2354 if (access(buf, R_OK) == 0) {
2355 trace_load_file(name, buf);
2356 return buf;
2357 }
2358 g_free(buf);
2359 }
2360 return NULL;
2361 }
2362
2363 static int device_help_func(QemuOpts *opts, void *opaque)
2364 {
2365 return qdev_device_help(opts);
2366 }
2367
2368 static int device_init_func(QemuOpts *opts, void *opaque)
2369 {
2370 DeviceState *dev;
2371
2372 dev = qdev_device_add(opts);
2373 if (!dev)
2374 return -1;
2375 object_unref(OBJECT(dev));
2376 return 0;
2377 }
2378
2379 static int chardev_init_func(QemuOpts *opts, void *opaque)
2380 {
2381 Error *local_err = NULL;
2382
2383 qemu_chr_new_from_opts(opts, NULL, &local_err);
2384 if (local_err) {
2385 error_report("%s", error_get_pretty(local_err));
2386 error_free(local_err);
2387 return -1;
2388 }
2389 return 0;
2390 }
2391
2392 #ifdef CONFIG_VIRTFS
2393 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2394 {
2395 int ret;
2396 ret = qemu_fsdev_add(opts);
2397
2398 return ret;
2399 }
2400 #endif
2401
2402 static int mon_init_func(QemuOpts *opts, void *opaque)
2403 {
2404 CharDriverState *chr;
2405 const char *chardev;
2406 const char *mode;
2407 int flags;
2408
2409 mode = qemu_opt_get(opts, "mode");
2410 if (mode == NULL) {
2411 mode = "readline";
2412 }
2413 if (strcmp(mode, "readline") == 0) {
2414 flags = MONITOR_USE_READLINE;
2415 } else if (strcmp(mode, "control") == 0) {
2416 flags = MONITOR_USE_CONTROL;
2417 } else {
2418 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2419 exit(1);
2420 }
2421
2422 if (qemu_opt_get_bool(opts, "pretty", 0))
2423 flags |= MONITOR_USE_PRETTY;
2424
2425 if (qemu_opt_get_bool(opts, "default", 0))
2426 flags |= MONITOR_IS_DEFAULT;
2427
2428 chardev = qemu_opt_get(opts, "chardev");
2429 chr = qemu_chr_find(chardev);
2430 if (chr == NULL) {
2431 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2432 exit(1);
2433 }
2434
2435 qemu_chr_fe_claim_no_fail(chr);
2436 monitor_init(chr, flags);
2437 return 0;
2438 }
2439
2440 static void monitor_parse(const char *optarg, const char *mode)
2441 {
2442 static int monitor_device_index = 0;
2443 QemuOpts *opts;
2444 const char *p;
2445 char label[32];
2446 int def = 0;
2447
2448 if (strstart(optarg, "chardev:", &p)) {
2449 snprintf(label, sizeof(label), "%s", p);
2450 } else {
2451 snprintf(label, sizeof(label), "compat_monitor%d",
2452 monitor_device_index);
2453 if (monitor_device_index == 0) {
2454 def = 1;
2455 }
2456 opts = qemu_chr_parse_compat(label, optarg);
2457 if (!opts) {
2458 fprintf(stderr, "parse error: %s\n", optarg);
2459 exit(1);
2460 }
2461 }
2462
2463 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2464 if (!opts) {
2465 fprintf(stderr, "duplicate chardev: %s\n", label);
2466 exit(1);
2467 }
2468 qemu_opt_set(opts, "mode", mode);
2469 qemu_opt_set(opts, "chardev", label);
2470 if (def)
2471 qemu_opt_set(opts, "default", "on");
2472 monitor_device_index++;
2473 }
2474
2475 struct device_config {
2476 enum {
2477 DEV_USB, /* -usbdevice */
2478 DEV_BT, /* -bt */
2479 DEV_SERIAL, /* -serial */
2480 DEV_PARALLEL, /* -parallel */
2481 DEV_VIRTCON, /* -virtioconsole */
2482 DEV_DEBUGCON, /* -debugcon */
2483 DEV_GDB, /* -gdb, -s */
2484 DEV_SCLP, /* s390 sclp */
2485 } type;
2486 const char *cmdline;
2487 Location loc;
2488 QTAILQ_ENTRY(device_config) next;
2489 };
2490
2491 static QTAILQ_HEAD(, device_config) device_configs =
2492 QTAILQ_HEAD_INITIALIZER(device_configs);
2493
2494 static void add_device_config(int type, const char *cmdline)
2495 {
2496 struct device_config *conf;
2497
2498 conf = g_malloc0(sizeof(*conf));
2499 conf->type = type;
2500 conf->cmdline = cmdline;
2501 loc_save(&conf->loc);
2502 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2503 }
2504
2505 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2506 {
2507 struct device_config *conf;
2508 int rc;
2509
2510 QTAILQ_FOREACH(conf, &device_configs, next) {
2511 if (conf->type != type)
2512 continue;
2513 loc_push_restore(&conf->loc);
2514 rc = func(conf->cmdline);
2515 loc_pop(&conf->loc);
2516 if (rc) {
2517 return rc;
2518 }
2519 }
2520 return 0;
2521 }
2522
2523 static int serial_parse(const char *devname)
2524 {
2525 static int index = 0;
2526 char label[32];
2527
2528 if (strcmp(devname, "none") == 0)
2529 return 0;
2530 if (index == MAX_SERIAL_PORTS) {
2531 fprintf(stderr, "qemu: too many serial ports\n");
2532 exit(1);
2533 }
2534 snprintf(label, sizeof(label), "serial%d", index);
2535 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!serial_hds[index]) {
2537 fprintf(stderr, "qemu: could not connect serial device"
2538 " to character backend '%s'\n", devname);
2539 return -1;
2540 }
2541 index++;
2542 return 0;
2543 }
2544
2545 static int parallel_parse(const char *devname)
2546 {
2547 static int index = 0;
2548 char label[32];
2549
2550 if (strcmp(devname, "none") == 0)
2551 return 0;
2552 if (index == MAX_PARALLEL_PORTS) {
2553 fprintf(stderr, "qemu: too many parallel ports\n");
2554 exit(1);
2555 }
2556 snprintf(label, sizeof(label), "parallel%d", index);
2557 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2558 if (!parallel_hds[index]) {
2559 fprintf(stderr, "qemu: could not connect parallel device"
2560 " to character backend '%s'\n", devname);
2561 return -1;
2562 }
2563 index++;
2564 return 0;
2565 }
2566
2567 static int virtcon_parse(const char *devname)
2568 {
2569 QemuOptsList *device = qemu_find_opts("device");
2570 static int index = 0;
2571 char label[32];
2572 QemuOpts *bus_opts, *dev_opts;
2573
2574 if (strcmp(devname, "none") == 0)
2575 return 0;
2576 if (index == MAX_VIRTIO_CONSOLES) {
2577 fprintf(stderr, "qemu: too many virtio consoles\n");
2578 exit(1);
2579 }
2580
2581 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2582 if (arch_type == QEMU_ARCH_S390X) {
2583 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2584 } else {
2585 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2586 }
2587
2588 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2589 qemu_opt_set(dev_opts, "driver", "virtconsole");
2590
2591 snprintf(label, sizeof(label), "virtcon%d", index);
2592 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2593 if (!virtcon_hds[index]) {
2594 fprintf(stderr, "qemu: could not connect virtio console"
2595 " to character backend '%s'\n", devname);
2596 return -1;
2597 }
2598 qemu_opt_set(dev_opts, "chardev", label);
2599
2600 index++;
2601 return 0;
2602 }
2603
2604 static int sclp_parse(const char *devname)
2605 {
2606 QemuOptsList *device = qemu_find_opts("device");
2607 static int index = 0;
2608 char label[32];
2609 QemuOpts *dev_opts;
2610
2611 if (strcmp(devname, "none") == 0) {
2612 return 0;
2613 }
2614 if (index == MAX_SCLP_CONSOLES) {
2615 fprintf(stderr, "qemu: too many sclp consoles\n");
2616 exit(1);
2617 }
2618
2619 assert(arch_type == QEMU_ARCH_S390X);
2620
2621 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2622 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2623
2624 snprintf(label, sizeof(label), "sclpcon%d", index);
2625 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2626 if (!sclp_hds[index]) {
2627 fprintf(stderr, "qemu: could not connect sclp console"
2628 " to character backend '%s'\n", devname);
2629 return -1;
2630 }
2631 qemu_opt_set(dev_opts, "chardev", label);
2632
2633 index++;
2634 return 0;
2635 }
2636
2637 static int debugcon_parse(const char *devname)
2638 {
2639 QemuOpts *opts;
2640
2641 if (!qemu_chr_new("debugcon", devname, NULL)) {
2642 exit(1);
2643 }
2644 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2645 if (!opts) {
2646 fprintf(stderr, "qemu: already have a debugcon device\n");
2647 exit(1);
2648 }
2649 qemu_opt_set(opts, "driver", "isa-debugcon");
2650 qemu_opt_set(opts, "chardev", "debugcon");
2651 return 0;
2652 }
2653
2654 static MachineClass *machine_parse(const char *name)
2655 {
2656 MachineClass *mc = NULL;
2657 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2658
2659 if (name) {
2660 mc = find_machine(name);
2661 }
2662 if (mc) {
2663 return mc;
2664 }
2665 if (name && !is_help_option(name)) {
2666 error_report("Unsupported machine type");
2667 error_printf("Use -machine help to list supported machines!\n");
2668 } else {
2669 printf("Supported machines are:\n");
2670 for (el = machines; el; el = el->next) {
2671 MachineClass *mc = el->data;
2672 if (mc->alias) {
2673 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2674 }
2675 printf("%-20s %s%s\n", mc->name, mc->desc,
2676 mc->is_default ? " (default)" : "");
2677 }
2678 }
2679
2680 g_slist_free(machines);
2681 exit(!name || !is_help_option(name));
2682 }
2683
2684 static int tcg_init(MachineClass *mc)
2685 {
2686 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2687 return 0;
2688 }
2689
2690 static struct {
2691 const char *opt_name;
2692 const char *name;
2693 int (*available)(void);
2694 int (*init)(MachineClass *mc);
2695 bool *allowed;
2696 } accel_list[] = {
2697 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2698 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2699 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2700 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2701 };
2702
2703 static int configure_accelerator(MachineClass *mc)
2704 {
2705 const char *p;
2706 char buf[10];
2707 int i, ret;
2708 bool accel_initialised = false;
2709 bool init_failed = false;
2710
2711 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2712 if (p == NULL) {
2713 /* Use the default "accelerator", tcg */
2714 p = "tcg";
2715 }
2716
2717 while (!accel_initialised && *p != '\0') {
2718 if (*p == ':') {
2719 p++;
2720 }
2721 p = get_opt_name(buf, sizeof (buf), p, ':');
2722 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2723 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2724 if (!accel_list[i].available()) {
2725 printf("%s not supported for this target\n",
2726 accel_list[i].name);
2727 break;
2728 }
2729 *(accel_list[i].allowed) = true;
2730 ret = accel_list[i].init(mc);
2731 if (ret < 0) {
2732 init_failed = true;
2733 fprintf(stderr, "failed to initialize %s: %s\n",
2734 accel_list[i].name,
2735 strerror(-ret));
2736 *(accel_list[i].allowed) = false;
2737 } else {
2738 accel_initialised = true;
2739 }
2740 break;
2741 }
2742 }
2743 if (i == ARRAY_SIZE(accel_list)) {
2744 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2745 }
2746 }
2747
2748 if (!accel_initialised) {
2749 if (!init_failed) {
2750 fprintf(stderr, "No accelerator found!\n");
2751 }
2752 exit(1);
2753 }
2754
2755 if (init_failed) {
2756 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2757 }
2758
2759 return !accel_initialised;
2760 }
2761
2762 void qemu_add_exit_notifier(Notifier *notify)
2763 {
2764 notifier_list_add(&exit_notifiers, notify);
2765 }
2766
2767 void qemu_remove_exit_notifier(Notifier *notify)
2768 {
2769 notifier_remove(notify);
2770 }
2771
2772 static void qemu_run_exit_notifiers(void)
2773 {
2774 notifier_list_notify(&exit_notifiers, NULL);
2775 }
2776
2777 void qemu_add_machine_init_done_notifier(Notifier *notify)
2778 {
2779 notifier_list_add(&machine_init_done_notifiers, notify);
2780 }
2781
2782 static void qemu_run_machine_init_done_notifiers(void)
2783 {
2784 notifier_list_notify(&machine_init_done_notifiers, NULL);
2785 }
2786
2787 static const QEMUOption *lookup_opt(int argc, char **argv,
2788 const char **poptarg, int *poptind)
2789 {
2790 const QEMUOption *popt;
2791 int optind = *poptind;
2792 char *r = argv[optind];
2793 const char *optarg;
2794
2795 loc_set_cmdline(argv, optind, 1);
2796 optind++;
2797 /* Treat --foo the same as -foo. */
2798 if (r[1] == '-')
2799 r++;
2800 popt = qemu_options;
2801 for(;;) {
2802 if (!popt->name) {
2803 error_report("invalid option");
2804 exit(1);
2805 }
2806 if (!strcmp(popt->name, r + 1))
2807 break;
2808 popt++;
2809 }
2810 if (popt->flags & HAS_ARG) {
2811 if (optind >= argc) {
2812 error_report("requires an argument");
2813 exit(1);
2814 }
2815 optarg = argv[optind++];
2816 loc_set_cmdline(argv, optind - 2, 2);
2817 } else {
2818 optarg = NULL;
2819 }
2820
2821 *poptarg = optarg;
2822 *poptind = optind;
2823
2824 return popt;
2825 }
2826
2827 static gpointer malloc_and_trace(gsize n_bytes)
2828 {
2829 void *ptr = malloc(n_bytes);
2830 trace_g_malloc(n_bytes, ptr);
2831 return ptr;
2832 }
2833
2834 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2835 {
2836 void *ptr = realloc(mem, n_bytes);
2837 trace_g_realloc(mem, n_bytes, ptr);
2838 return ptr;
2839 }
2840
2841 static void free_and_trace(gpointer mem)
2842 {
2843 trace_g_free(mem);
2844 free(mem);
2845 }
2846
2847 static int machine_set_property(const char *name, const char *value,
2848 void *opaque)
2849 {
2850 Object *obj = OBJECT(opaque);
2851 StringInputVisitor *siv;
2852 Error *local_err = NULL;
2853 char *c, *qom_name;
2854
2855 if (strcmp(name, "type") == 0) {
2856 return 0;
2857 }
2858
2859 qom_name = g_strdup(name);
2860 c = qom_name;
2861 while (*c++) {
2862 if (*c == '_') {
2863 *c = '-';
2864 }
2865 }
2866
2867 siv = string_input_visitor_new(value);
2868 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2869 string_input_visitor_cleanup(siv);
2870 g_free(qom_name);
2871
2872 if (local_err) {
2873 qerror_report_err(local_err);
2874 error_free(local_err);
2875 return -1;
2876 }
2877
2878 return 0;
2879 }
2880
2881 static int object_create(QemuOpts *opts, void *opaque)
2882 {
2883 Error *err = NULL;
2884 char *type = NULL;
2885 char *id = NULL;
2886 void *dummy = NULL;
2887 OptsVisitor *ov;
2888 QDict *pdict;
2889
2890 ov = opts_visitor_new(opts);
2891 pdict = qemu_opts_to_qdict(opts, NULL);
2892
2893 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2894 if (err) {
2895 goto out;
2896 }
2897
2898 qdict_del(pdict, "qom-type");
2899 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2900 if (err) {
2901 goto out;
2902 }
2903
2904 qdict_del(pdict, "id");
2905 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2906 if (err) {
2907 goto out;
2908 }
2909
2910 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2911 if (err) {
2912 goto out;
2913 }
2914 visit_end_struct(opts_get_visitor(ov), &err);
2915 if (err) {
2916 qmp_object_del(id, NULL);
2917 }
2918
2919 out:
2920 opts_visitor_cleanup(ov);
2921
2922 QDECREF(pdict);
2923 g_free(id);
2924 g_free(type);
2925 g_free(dummy);
2926 if (err) {
2927 qerror_report_err(err);
2928 error_free(err);
2929 return -1;
2930 }
2931 return 0;
2932 }
2933
2934 int main(int argc, char **argv, char **envp)
2935 {
2936 int i;
2937 int snapshot, linux_boot;
2938 const char *initrd_filename;
2939 const char *kernel_filename, *kernel_cmdline;
2940 const char *boot_order;
2941 DisplayState *ds;
2942 int cyls, heads, secs, translation;
2943 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2944 QemuOptsList *olist;
2945 int optind;
2946 const char *optarg;
2947 const char *loadvm = NULL;
2948 MachineClass *machine_class;
2949 const char *cpu_model;
2950 const char *vga_model = NULL;
2951 const char *qtest_chrdev = NULL;
2952 const char *qtest_log = NULL;
2953 const char *pid_file = NULL;
2954 const char *incoming = NULL;
2955 #ifdef CONFIG_VNC
2956 int show_vnc_port = 0;
2957 #endif
2958 bool defconfig = true;
2959 bool userconfig = true;
2960 const char *log_mask = NULL;
2961 const char *log_file = NULL;
2962 GMemVTable mem_trace = {
2963 .malloc = malloc_and_trace,
2964 .realloc = realloc_and_trace,
2965 .free = free_and_trace,
2966 };
2967 const char *trace_events = NULL;
2968 const char *trace_file = NULL;
2969 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2970 1024 * 1024;
2971 ram_addr_t maxram_size = default_ram_size;
2972 uint64_t ram_slots = 0;
2973 FILE *vmstate_dump_file = NULL;
2974 Error *main_loop_err = NULL;
2975
2976 atexit(qemu_run_exit_notifiers);
2977 error_set_progname(argv[0]);
2978 qemu_init_exec_dir(argv[0]);
2979
2980 g_mem_set_vtable(&mem_trace);
2981
2982 module_call_init(MODULE_INIT_QOM);
2983
2984 qemu_add_opts(&qemu_drive_opts);
2985 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2986 qemu_add_drive_opts(&qemu_common_drive_opts);
2987 qemu_add_drive_opts(&qemu_drive_opts);
2988 qemu_add_opts(&qemu_chardev_opts);
2989 qemu_add_opts(&qemu_device_opts);
2990 qemu_add_opts(&qemu_netdev_opts);
2991 qemu_add_opts(&qemu_net_opts);
2992 qemu_add_opts(&qemu_rtc_opts);
2993 qemu_add_opts(&qemu_global_opts);
2994 qemu_add_opts(&qemu_mon_opts);
2995 qemu_add_opts(&qemu_trace_opts);
2996 qemu_add_opts(&qemu_option_rom_opts);
2997 qemu_add_opts(&qemu_machine_opts);
2998 qemu_add_opts(&qemu_mem_opts);
2999 qemu_add_opts(&qemu_smp_opts);
3000 qemu_add_opts(&qemu_boot_opts);
3001 qemu_add_opts(&qemu_sandbox_opts);
3002 qemu_add_opts(&qemu_add_fd_opts);
3003 qemu_add_opts(&qemu_object_opts);
3004 qemu_add_opts(&qemu_tpmdev_opts);
3005 qemu_add_opts(&qemu_realtime_opts);
3006 qemu_add_opts(&qemu_msg_opts);
3007 qemu_add_opts(&qemu_name_opts);
3008 qemu_add_opts(&qemu_numa_opts);
3009 qemu_add_opts(&qemu_icount_opts);
3010
3011 runstate_init();
3012
3013 rtc_clock = QEMU_CLOCK_HOST;
3014
3015 QLIST_INIT (&vm_change_state_head);
3016 os_setup_early_signal_handling();
3017
3018 module_call_init(MODULE_INIT_MACHINE);
3019 machine_class = find_default_machine();
3020 cpu_model = NULL;
3021 ram_size = default_ram_size;
3022 snapshot = 0;
3023 cyls = heads = secs = 0;
3024 translation = BIOS_ATA_TRANSLATION_AUTO;
3025
3026 for (i = 0; i < MAX_NODES; i++) {
3027 numa_info[i].node_mem = 0;
3028 numa_info[i].present = false;
3029 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3030 }
3031
3032 nb_numa_nodes = 0;
3033 max_numa_nodeid = 0;
3034 nb_nics = 0;
3035
3036 bdrv_init_with_whitelist();
3037
3038 autostart = 1;
3039
3040 /* first pass of option parsing */
3041 optind = 1;
3042 while (optind < argc) {
3043 if (argv[optind][0] != '-') {
3044 /* disk image */
3045 optind++;
3046 } else {
3047 const QEMUOption *popt;
3048
3049 popt = lookup_opt(argc, argv, &optarg, &optind);
3050 switch (popt->index) {
3051 case QEMU_OPTION_nodefconfig:
3052 defconfig = false;
3053 break;
3054 case QEMU_OPTION_nouserconfig:
3055 userconfig = false;
3056 break;
3057 }
3058 }
3059 }
3060
3061 if (defconfig) {
3062 int ret;
3063 ret = qemu_read_default_config_files(userconfig);
3064 if (ret < 0) {
3065 exit(1);
3066 }
3067 }
3068
3069 /* second pass of option parsing */
3070 optind = 1;
3071 for(;;) {
3072 if (optind >= argc)
3073 break;
3074 if (argv[optind][0] != '-') {
3075 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3076 } else {
3077 const QEMUOption *popt;
3078
3079 popt = lookup_opt(argc, argv, &optarg, &optind);
3080 if (!(popt->arch_mask & arch_type)) {
3081 printf("Option %s not supported for this target\n", popt->name);
3082 exit(1);
3083 }
3084 switch(popt->index) {
3085 case QEMU_OPTION_M:
3086 machine_class = machine_parse(optarg);
3087 break;
3088 case QEMU_OPTION_no_kvm_irqchip: {
3089 olist = qemu_find_opts("machine");
3090 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3091 break;
3092 }
3093 case QEMU_OPTION_cpu:
3094 /* hw initialization will check this */
3095 cpu_model = optarg;
3096 break;
3097 case QEMU_OPTION_hda:
3098 {
3099 char buf[256];
3100 if (cyls == 0)
3101 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3102 else
3103 snprintf(buf, sizeof(buf),
3104 "%s,cyls=%d,heads=%d,secs=%d%s",
3105 HD_OPTS , cyls, heads, secs,
3106 translation == BIOS_ATA_TRANSLATION_LBA ?
3107 ",trans=lba" :
3108 translation == BIOS_ATA_TRANSLATION_NONE ?
3109 ",trans=none" : "");
3110 drive_add(IF_DEFAULT, 0, optarg, buf);
3111 break;
3112 }
3113 case QEMU_OPTION_hdb:
3114 case QEMU_OPTION_hdc:
3115 case QEMU_OPTION_hdd:
3116 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3117 HD_OPTS);
3118 break;
3119 case QEMU_OPTION_drive:
3120 if (drive_def(optarg) == NULL) {
3121 exit(1);
3122 }
3123 break;
3124 case QEMU_OPTION_set:
3125 if (qemu_set_option(optarg) != 0)
3126 exit(1);
3127 break;
3128 case QEMU_OPTION_global:
3129 if (qemu_global_option(optarg) != 0)
3130 exit(1);
3131 break;
3132 case QEMU_OPTION_mtdblock:
3133 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3134 break;
3135 case QEMU_OPTION_sd:
3136 drive_add(IF_SD, -1, optarg, SD_OPTS);
3137 break;
3138 case QEMU_OPTION_pflash:
3139 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3140 break;
3141 case QEMU_OPTION_snapshot:
3142 snapshot = 1;
3143 break;
3144 case QEMU_OPTION_hdachs:
3145 {
3146 const char *p;
3147 p = optarg;
3148 cyls = strtol(p, (char **)&p, 0);
3149 if (cyls < 1 || cyls > 16383)
3150 goto chs_fail;
3151 if (*p != ',')
3152 goto chs_fail;
3153 p++;
3154 heads = strtol(p, (char **)&p, 0);
3155 if (heads < 1 || heads > 16)
3156 goto chs_fail;
3157 if (*p != ',')
3158 goto chs_fail;
3159 p++;
3160 secs = strtol(p, (char **)&p, 0);
3161 if (secs < 1 || secs > 63)
3162 goto chs_fail;
3163 if (*p == ',') {
3164 p++;
3165 if (!strcmp(p, "large")) {
3166 translation = BIOS_ATA_TRANSLATION_LARGE;
3167 } else if (!strcmp(p, "rechs")) {
3168 translation = BIOS_ATA_TRANSLATION_RECHS;
3169 } else if (!strcmp(p, "none")) {
3170 translation = BIOS_ATA_TRANSLATION_NONE;
3171 } else if (!strcmp(p, "lba")) {
3172 translation = BIOS_ATA_TRANSLATION_LBA;
3173 } else if (!strcmp(p, "auto")) {
3174 translation = BIOS_ATA_TRANSLATION_AUTO;
3175 } else {
3176 goto chs_fail;
3177 }
3178 } else if (*p != '\0') {
3179 chs_fail:
3180 fprintf(stderr, "qemu: invalid physical CHS format\n");
3181 exit(1);
3182 }
3183 if (hda_opts != NULL) {
3184 char num[16];
3185 snprintf(num, sizeof(num), "%d", cyls);
3186 qemu_opt_set(hda_opts, "cyls", num);
3187 snprintf(num, sizeof(num), "%d", heads);
3188 qemu_opt_set(hda_opts, "heads", num);
3189 snprintf(num, sizeof(num), "%d", secs);
3190 qemu_opt_set(hda_opts, "secs", num);
3191 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3192 qemu_opt_set(hda_opts, "trans", "large");
3193 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3194 qemu_opt_set(hda_opts, "trans", "rechs");
3195 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3196 qemu_opt_set(hda_opts, "trans", "lba");
3197 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3198 qemu_opt_set(hda_opts, "trans", "none");
3199 }
3200 }
3201 }
3202 break;
3203 case QEMU_OPTION_numa:
3204 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3205 if (!opts) {
3206 exit(1);
3207 }
3208 break;
3209 case QEMU_OPTION_display:
3210 display_type = select_display(optarg);
3211 break;
3212 case QEMU_OPTION_nographic:
3213 display_type = DT_NOGRAPHIC;
3214 break;
3215 case QEMU_OPTION_curses:
3216 #ifdef CONFIG_CURSES
3217 display_type = DT_CURSES;
3218 #else
3219 fprintf(stderr, "Curses support is disabled\n");
3220 exit(1);
3221 #endif
3222 break;
3223 case QEMU_OPTION_portrait:
3224 graphic_rotate = 90;
3225 break;
3226 case QEMU_OPTION_rotate:
3227 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3228 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3229 graphic_rotate != 180 && graphic_rotate != 270) {
3230 fprintf(stderr,
3231 "qemu: only 90, 180, 270 deg rotation is available\n");
3232 exit(1);
3233 }
3234 break;
3235 case QEMU_OPTION_kernel:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3237 break;
3238 case QEMU_OPTION_initrd:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3240 break;
3241 case QEMU_OPTION_append:
3242 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3243 break;
3244 case QEMU_OPTION_dtb:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3252 if (!opts) {
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_fda:
3257 case QEMU_OPTION_fdb:
3258 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3259 optarg, FD_OPTS);
3260 break;
3261 case QEMU_OPTION_no_fd_bootchk:
3262 fd_bootchk = 0;
3263 break;
3264 case QEMU_OPTION_netdev:
3265 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_net:
3270 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3271 exit(1);
3272 }
3273 break;
3274 #ifdef CONFIG_LIBISCSI
3275 case QEMU_OPTION_iscsi:
3276 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3277 if (!opts) {
3278 exit(1);
3279 }
3280 break;
3281 #endif
3282 #ifdef CONFIG_SLIRP
3283 case QEMU_OPTION_tftp:
3284 legacy_tftp_prefix = optarg;
3285 break;
3286 case QEMU_OPTION_bootp:
3287 legacy_bootp_filename = optarg;
3288 break;
3289 case QEMU_OPTION_redir:
3290 if (net_slirp_redir(optarg) < 0)
3291 exit(1);
3292 break;
3293 #endif
3294 case QEMU_OPTION_bt:
3295 add_device_config(DEV_BT, optarg);
3296 break;
3297 case QEMU_OPTION_audio_help:
3298 AUD_help ();
3299 exit (0);
3300 break;
3301 case QEMU_OPTION_soundhw:
3302 select_soundhw (optarg);
3303 break;
3304 case QEMU_OPTION_h:
3305 help(0);
3306 break;
3307 case QEMU_OPTION_version:
3308 version();
3309 exit(0);
3310 break;
3311 case QEMU_OPTION_m: {
3312 uint64_t sz;
3313 const char *mem_str;
3314 const char *maxmem_str, *slots_str;
3315
3316 opts = qemu_opts_parse(qemu_find_opts("memory"),
3317 optarg, 1);
3318 if (!opts) {
3319 exit(EXIT_FAILURE);
3320 }
3321
3322 mem_str = qemu_opt_get(opts, "size");
3323 if (!mem_str) {
3324 error_report("invalid -m option, missing 'size' option");
3325 exit(EXIT_FAILURE);
3326 }
3327 if (!*mem_str) {
3328 error_report("missing 'size' option value");
3329 exit(EXIT_FAILURE);
3330 }
3331
3332 sz = qemu_opt_get_size(opts, "size", ram_size);
3333
3334 /* Fix up legacy suffix-less format */
3335 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3336 uint64_t overflow_check = sz;
3337
3338 sz <<= 20;
3339 if ((sz >> 20) != overflow_check) {
3340 error_report("too large 'size' option value");
3341 exit(EXIT_FAILURE);
3342 }
3343 }
3344
3345 /* backward compatibility behaviour for case "-m 0" */
3346 if (sz == 0) {
3347 sz = default_ram_size;
3348 }
3349
3350 sz = QEMU_ALIGN_UP(sz, 8192);
3351 ram_size = sz;
3352 if (ram_size != sz) {
3353 error_report("ram size too large");
3354 exit(EXIT_FAILURE);
3355 }
3356 maxram_size = ram_size;
3357
3358 maxmem_str = qemu_opt_get(opts, "maxmem");
3359 slots_str = qemu_opt_get(opts, "slots");
3360 if (maxmem_str && slots_str) {
3361 uint64_t slots;
3362
3363 sz = qemu_opt_get_size(opts, "maxmem", 0);
3364 if (sz < ram_size) {
3365 error_report("invalid -m option value: maxmem "
3366 "(0x%" PRIx64 ") <= initial memory (0x"
3367 RAM_ADDR_FMT ")", sz, ram_size);
3368 exit(EXIT_FAILURE);
3369 }
3370
3371 slots = qemu_opt_get_number(opts, "slots", 0);
3372 if ((sz > ram_size) && !slots) {
3373 error_report("invalid -m option value: maxmem "
3374 "(0x%" PRIx64 ") more than initial memory (0x"
3375 RAM_ADDR_FMT ") but no hotplug slots where "
3376 "specified", sz, ram_size);
3377 exit(EXIT_FAILURE);
3378 }
3379
3380 if ((sz <= ram_size) && slots) {
3381 error_report("invalid -m option value: %"
3382 PRIu64 " hotplug slots where specified but "
3383 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3384 RAM_ADDR_FMT ")", slots, sz, ram_size);
3385 exit(EXIT_FAILURE);
3386 }
3387 maxram_size = sz;
3388 ram_slots = slots;
3389 } else if ((!maxmem_str && slots_str) ||
3390 (maxmem_str && !slots_str)) {
3391 error_report("invalid -m option value: missing "
3392 "'%s' option", slots_str ? "maxmem" : "slots");
3393 exit(EXIT_FAILURE);
3394 }
3395 break;
3396 }
3397 #ifdef CONFIG_TPM
3398 case QEMU_OPTION_tpmdev:
3399 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3400 exit(1);
3401 }
3402 break;
3403 #endif
3404 case QEMU_OPTION_mempath:
3405 mem_path = optarg;
3406 break;
3407 case QEMU_OPTION_mem_prealloc:
3408 mem_prealloc = 1;
3409 break;
3410 case QEMU_OPTION_d:
3411 log_mask = optarg;
3412 break;
3413 case QEMU_OPTION_D:
3414 log_file = optarg;
3415 break;
3416 case QEMU_OPTION_s:
3417 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3418 break;
3419 case QEMU_OPTION_gdb:
3420 add_device_config(DEV_GDB, optarg);
3421 break;
3422 case QEMU_OPTION_L:
3423 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3424 data_dir[data_dir_idx++] = optarg;
3425 }
3426 break;
3427 case QEMU_OPTION_bios:
3428 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3429 break;
3430 case QEMU_OPTION_singlestep:
3431 singlestep = 1;
3432 break;
3433 case QEMU_OPTION_S:
3434 autostart = 0;
3435 break;
3436 case QEMU_OPTION_k:
3437 keyboard_layout = optarg;
3438 break;
3439 case QEMU_OPTION_localtime:
3440 rtc_utc = 0;
3441 break;
3442 case QEMU_OPTION_vga:
3443 vga_model = optarg;
3444 default_vga = 0;
3445 break;
3446 case QEMU_OPTION_g:
3447 {
3448 const char *p;
3449 int w, h, depth;
3450 p = optarg;
3451 w = strtol(p, (char **)&p, 10);
3452 if (w <= 0) {
3453 graphic_error:
3454 fprintf(stderr, "qemu: invalid resolution or depth\n");
3455 exit(1);
3456 }
3457 if (*p != 'x')
3458 goto graphic_error;
3459 p++;
3460 h = strtol(p, (char **)&p, 10);
3461 if (h <= 0)
3462 goto graphic_error;
3463 if (*p == 'x') {
3464 p++;
3465 depth = strtol(p, (char **)&p, 10);
3466 if (depth != 8 && depth != 15 && depth != 16 &&
3467 depth != 24 && depth != 32)
3468 goto graphic_error;
3469 } else if (*p == '\0') {
3470 depth = graphic_depth;
3471 } else {
3472 goto graphic_error;
3473 }
3474
3475 graphic_width = w;
3476 graphic_height = h;
3477 graphic_depth = depth;
3478 }
3479 break;
3480 case QEMU_OPTION_echr:
3481 {
3482 char *r;
3483 term_escape_char = strtol(optarg, &r, 0);
3484 if (r == optarg)
3485 printf("Bad argument to echr\n");
3486 break;
3487 }
3488 case QEMU_OPTION_monitor:
3489 default_monitor = 0;
3490 if (strncmp(optarg, "none", 4)) {
3491 monitor_parse(optarg, "readline");
3492 }
3493 break;
3494 case QEMU_OPTION_qmp:
3495 monitor_parse(optarg, "control");
3496 default_monitor = 0;
3497 break;
3498 case QEMU_OPTION_mon:
3499 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3500 if (!opts) {
3501 exit(1);
3502 }
3503 default_monitor = 0;
3504 break;
3505 case QEMU_OPTION_chardev:
3506 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3507 if (!opts) {
3508 exit(1);
3509 }
3510 break;
3511 case QEMU_OPTION_fsdev:
3512 olist = qemu_find_opts("fsdev");
3513 if (!olist) {
3514 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3515 exit(1);
3516 }
3517 opts = qemu_opts_parse(olist, optarg, 1);
3518 if (!opts) {
3519 exit(1);
3520 }
3521 break;
3522 case QEMU_OPTION_virtfs: {
3523 QemuOpts *fsdev;
3524 QemuOpts *device;
3525 const char *writeout, *sock_fd, *socket;
3526
3527 olist = qemu_find_opts("virtfs");
3528 if (!olist) {
3529 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3530 exit(1);
3531 }
3532 opts = qemu_opts_parse(olist, optarg, 1);
3533 if (!opts) {
3534 exit(1);
3535 }
3536
3537 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3538 qemu_opt_get(opts, "mount_tag") == NULL) {
3539 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3540 exit(1);
3541 }
3542 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3543 qemu_opt_get(opts, "mount_tag"),
3544 1, NULL);
3545 if (!fsdev) {
3546 fprintf(stderr, "duplicate fsdev id: %s\n",
3547 qemu_opt_get(opts, "mount_tag"));
3548 exit(1);
3549 }
3550
3551 writeout = qemu_opt_get(opts, "writeout");
3552 if (writeout) {
3553 #ifdef CONFIG_SYNC_FILE_RANGE
3554 qemu_opt_set(fsdev, "writeout", writeout);
3555 #else
3556 fprintf(stderr, "writeout=immediate not supported on "
3557 "this platform\n");
3558 exit(1);
3559 #endif
3560 }
3561 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3562 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3563 qemu_opt_set(fsdev, "security_model",
3564 qemu_opt_get(opts, "security_model"));
3565 socket = qemu_opt_get(opts, "socket");
3566 if (socket) {
3567 qemu_opt_set(fsdev, "socket", socket);
3568 }
3569 sock_fd = qemu_opt_get(opts, "sock_fd");
3570 if (sock_fd) {
3571 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3572 }
3573
3574 qemu_opt_set_bool(fsdev, "readonly",
3575 qemu_opt_get_bool(opts, "readonly", 0));
3576 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3577 &error_abort);
3578 qemu_opt_set(device, "driver", "virtio-9p-pci");
3579 qemu_opt_set(device, "fsdev",
3580 qemu_opt_get(opts, "mount_tag"));
3581 qemu_opt_set(device, "mount_tag",
3582 qemu_opt_get(opts, "mount_tag"));
3583 break;
3584 }
3585 case QEMU_OPTION_virtfs_synth: {
3586 QemuOpts *fsdev;
3587 QemuOpts *device;
3588
3589 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3590 1, NULL);
3591 if (!fsdev) {
3592 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3593 exit(1);
3594 }
3595 qemu_opt_set(fsdev, "fsdriver", "synth");
3596
3597 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3598 &error_abort);
3599 qemu_opt_set(device, "driver", "virtio-9p-pci");
3600 qemu_opt_set(device, "fsdev", "v_synth");
3601 qemu_opt_set(device, "mount_tag", "v_synth");
3602 break;
3603 }
3604 case QEMU_OPTION_serial:
3605 add_device_config(DEV_SERIAL, optarg);
3606 default_serial = 0;
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_watchdog:
3612 if (watchdog) {
3613 fprintf(stderr,
3614 "qemu: only one watchdog option may be given\n");
3615 return 1;
3616 }
3617 watchdog = optarg;
3618 break;
3619 case QEMU_OPTION_watchdog_action:
3620 if (select_watchdog_action(optarg) == -1) {
3621 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3622 exit(1);
3623 }
3624 break;
3625 case QEMU_OPTION_virtiocon:
3626 add_device_config(DEV_VIRTCON, optarg);
3627 default_virtcon = 0;
3628 if (strncmp(optarg, "mon:", 4) == 0) {
3629 default_monitor = 0;
3630 }
3631 break;
3632 case QEMU_OPTION_parallel:
3633 add_device_config(DEV_PARALLEL, optarg);
3634 default_parallel = 0;
3635 if (strncmp(optarg, "mon:", 4) == 0) {
3636 default_monitor = 0;
3637 }
3638 break;
3639 case QEMU_OPTION_debugcon:
3640 add_device_config(DEV_DEBUGCON, optarg);
3641 break;
3642 case QEMU_OPTION_loadvm:
3643 loadvm = optarg;
3644 break;
3645 case QEMU_OPTION_full_screen:
3646 full_screen = 1;
3647 break;
3648 case QEMU_OPTION_no_frame:
3649 no_frame = 1;
3650 break;
3651 case QEMU_OPTION_alt_grab:
3652 alt_grab = 1;
3653 break;
3654 case QEMU_OPTION_ctrl_grab:
3655 ctrl_grab = 1;
3656 break;
3657 case QEMU_OPTION_no_quit:
3658 no_quit = 1;
3659 break;
3660 case QEMU_OPTION_sdl:
3661 #ifdef CONFIG_SDL
3662 display_type = DT_SDL;
3663 break;
3664 #else
3665 fprintf(stderr, "SDL support is disabled\n");
3666 exit(1);
3667 #endif
3668 case QEMU_OPTION_pidfile:
3669 pid_file = optarg;
3670 break;
3671 case QEMU_OPTION_win2k_hack:
3672 win2k_install_hack = 1;
3673 break;
3674 case QEMU_OPTION_rtc_td_hack: {
3675 static GlobalProperty slew_lost_ticks[] = {
3676 {
3677 .driver = "mc146818rtc",
3678 .property = "lost_tick_policy",
3679 .value = "slew",
3680 },
3681 { /* end of list */ }
3682 };
3683
3684 qdev_prop_register_global_list(slew_lost_ticks);
3685 break;
3686 }
3687 case QEMU_OPTION_acpitable:
3688 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3689 if (!opts) {
3690 exit(1);
3691 }
3692 do_acpitable_option(opts);
3693 break;
3694 case QEMU_OPTION_smbios:
3695 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 do_smbios_option(opts);
3700 break;
3701 case QEMU_OPTION_enable_kvm:
3702 olist = qemu_find_opts("machine");
3703 qemu_opts_parse(olist, "accel=kvm", 0);
3704 break;
3705 case QEMU_OPTION_machine:
3706 olist = qemu_find_opts("machine");
3707 opts = qemu_opts_parse(olist, optarg, 1);
3708 if (!opts) {
3709 exit(1);
3710 }
3711 optarg = qemu_opt_get(opts, "type");
3712 if (optarg) {
3713 machine_class = machine_parse(optarg);
3714 }
3715 break;
3716 case QEMU_OPTION_no_kvm:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse(olist, "accel=tcg", 0);
3719 break;
3720 case QEMU_OPTION_no_kvm_pit: {
3721 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3722 "separately.\n");
3723 break;
3724 }
3725 case QEMU_OPTION_no_kvm_pit_reinjection: {
3726 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3727 {
3728 .driver = "kvm-pit",
3729 .property = "lost_tick_policy",
3730 .value = "discard",
3731 },
3732 { /* end of list */ }
3733 };
3734
3735 fprintf(stderr, "Warning: option deprecated, use "
3736 "lost_tick_policy property of kvm-pit instead.\n");
3737 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3738 break;
3739 }
3740 case QEMU_OPTION_usb:
3741 olist = qemu_find_opts("machine");
3742 qemu_opts_parse(olist, "usb=on", 0);
3743 break;
3744 case QEMU_OPTION_usbdevice:
3745 olist = qemu_find_opts("machine");
3746 qemu_opts_parse(olist, "usb=on", 0);
3747 add_device_config(DEV_USB, optarg);
3748 break;
3749 case QEMU_OPTION_device:
3750 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_smp:
3755 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3756 exit(1);
3757 }
3758 break;
3759 case QEMU_OPTION_vnc:
3760 #ifdef CONFIG_VNC
3761 display_remote++;
3762 vnc_display = optarg;
3763 #else
3764 fprintf(stderr, "VNC support is disabled\n");
3765 exit(1);
3766 #endif
3767 break;
3768 case QEMU_OPTION_no_acpi:
3769 acpi_enabled = 0;
3770 break;
3771 case QEMU_OPTION_no_hpet:
3772 no_hpet = 1;
3773 break;
3774 case QEMU_OPTION_balloon:
3775 if (balloon_parse(optarg) < 0) {
3776 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3777 exit(1);
3778 }
3779 break;
3780 case QEMU_OPTION_no_reboot:
3781 no_reboot = 1;
3782 break;
3783 case QEMU_OPTION_no_shutdown:
3784 no_shutdown = 1;
3785 break;
3786 case QEMU_OPTION_show_cursor:
3787 cursor_hide = 0;
3788 break;
3789 case QEMU_OPTION_uuid:
3790 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3791 fprintf(stderr, "Fail to parse UUID string."
3792 " Wrong format.\n");
3793 exit(1);
3794 }
3795 qemu_uuid_set = true;
3796 break;
3797 case QEMU_OPTION_option_rom:
3798 if (nb_option_roms >= MAX_OPTION_ROMS) {
3799 fprintf(stderr, "Too many option ROMs\n");
3800 exit(1);
3801 }
3802 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3803 if (!opts) {
3804 exit(1);
3805 }
3806 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3807 option_rom[nb_option_roms].bootindex =
3808 qemu_opt_get_number(opts, "bootindex", -1);
3809 if (!option_rom[nb_option_roms].name) {
3810 fprintf(stderr, "Option ROM file is not specified\n");
3811 exit(1);
3812 }
3813 nb_option_roms++;
3814 break;
3815 case QEMU_OPTION_semihosting:
3816 semihosting_enabled = 1;
3817 break;
3818 case QEMU_OPTION_tdf:
3819 fprintf(stderr, "Warning: user space PIT time drift fix "
3820 "is no longer supported.\n");
3821 break;
3822 case QEMU_OPTION_name:
3823 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3824 if (!opts) {
3825 exit(1);
3826 }
3827 break;
3828 case QEMU_OPTION_prom_env:
3829 if (nb_prom_envs >= MAX_PROM_ENVS) {
3830 fprintf(stderr, "Too many prom variables\n");
3831 exit(1);
3832 }
3833 prom_envs[nb_prom_envs] = optarg;
3834 nb_prom_envs++;
3835 break;
3836 case QEMU_OPTION_old_param:
3837 old_param = 1;
3838 break;
3839 case QEMU_OPTION_clock:
3840 /* Clock options no longer exist. Keep this option for
3841 * backward compatibility.
3842 */
3843 break;
3844 case QEMU_OPTION_startdate:
3845 configure_rtc_date_offset(optarg, 1);
3846 break;
3847 case QEMU_OPTION_rtc:
3848 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3849 if (!opts) {
3850 exit(1);
3851 }
3852 configure_rtc(opts);
3853 break;
3854 case QEMU_OPTION_tb_size:
3855 tcg_tb_size = strtol(optarg, NULL, 0);
3856 if (tcg_tb_size < 0) {
3857 tcg_tb_size = 0;
3858 }
3859 break;
3860 case QEMU_OPTION_icount:
3861 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3862 optarg, 1);
3863 if (!icount_opts) {
3864 exit(1);
3865 }
3866 break;
3867 case QEMU_OPTION_incoming:
3868 incoming = optarg;
3869 runstate_set(RUN_STATE_INMIGRATE);
3870 break;
3871 case QEMU_OPTION_nodefaults:
3872 has_defaults = 0;
3873 break;
3874 case QEMU_OPTION_xen_domid:
3875 if (!(xen_available())) {
3876 printf("Option %s not supported for this target\n", popt->name);
3877 exit(1);
3878 }
3879 xen_domid = atoi(optarg);
3880 break;
3881 case QEMU_OPTION_xen_create:
3882 if (!(xen_available())) {
3883 printf("Option %s not supported for this target\n", popt->name);
3884 exit(1);
3885 }
3886 xen_mode = XEN_CREATE;
3887 break;
3888 case QEMU_OPTION_xen_attach:
3889 if (!(xen_available())) {
3890 printf("Option %s not supported for this target\n", popt->name);
3891 exit(1);
3892 }
3893 xen_mode = XEN_ATTACH;
3894 break;
3895 case QEMU_OPTION_trace:
3896 {
3897 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3898 if (!opts) {
3899 exit(1);
3900 }
3901 trace_events = qemu_opt_get(opts, "events");
3902 trace_file = qemu_opt_get(opts, "file");
3903 break;
3904 }
3905 case QEMU_OPTION_readconfig:
3906 {
3907 int ret = qemu_read_config_file(optarg);
3908 if (ret < 0) {
3909 fprintf(stderr, "read config %s: %s\n", optarg,
3910 strerror(-ret));
3911 exit(1);
3912 }
3913 break;
3914 }
3915 case QEMU_OPTION_spice:
3916 olist = qemu_find_opts("spice");
3917 if (!olist) {
3918 fprintf(stderr, "spice is not supported by this qemu build.\n");
3919 exit(1);
3920 }
3921 opts = qemu_opts_parse(olist, optarg, 0);
3922 if (!opts) {
3923 exit(1);
3924 }
3925 display_remote++;
3926 break;
3927 case QEMU_OPTION_writeconfig:
3928 {
3929 FILE *fp;
3930 if (strcmp(optarg, "-") == 0) {
3931 fp = stdout;
3932 } else {
3933 fp = fopen(optarg, "w");
3934 if (fp == NULL) {
3935 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3936 exit(1);
3937 }
3938 }
3939 qemu_config_write(fp);
3940 if (fp != stdout) {
3941 fclose(fp);
3942 }
3943 break;
3944 }
3945 case QEMU_OPTION_qtest:
3946 qtest_chrdev = optarg;
3947 break;
3948 case QEMU_OPTION_qtest_log:
3949 qtest_log = optarg;
3950 break;
3951 case QEMU_OPTION_sandbox:
3952 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3953 if (!opts) {
3954 exit(1);
3955 }
3956 break;
3957 case QEMU_OPTION_add_fd:
3958 #ifndef _WIN32
3959 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3960 if (!opts) {
3961 exit(1);
3962 }
3963 #else
3964 error_report("File descriptor passing is disabled on this "
3965 "platform");
3966 exit(1);
3967 #endif
3968 break;
3969 case QEMU_OPTION_object:
3970 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3971 if (!opts) {
3972 exit(1);
3973 }
3974 break;
3975 case QEMU_OPTION_realtime:
3976 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3981 break;
3982 case QEMU_OPTION_msg:
3983 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3984 if (!opts) {
3985 exit(1);
3986 }
3987 configure_msg(opts);
3988 break;
3989 case QEMU_OPTION_dump_vmstate:
3990 vmstate_dump_file = fopen(optarg, "w");
3991 if (vmstate_dump_file == NULL) {
3992 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3993 exit(1);
3994 }
3995 break;
3996 default:
3997 os_parse_cmd_args(popt->index, optarg);
3998 }
3999 }
4000 }
4001 loc_set_none();
4002
4003 os_daemonize();
4004
4005 if (qemu_init_main_loop(&main_loop_err)) {
4006 error_report("%s", error_get_pretty(main_loop_err));
4007 exit(1);
4008 }
4009
4010 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4011 exit(1);
4012 }
4013
4014 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4015 exit(1);
4016 }
4017
4018 #ifndef _WIN32
4019 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4020 exit(1);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4024 exit(1);
4025 }
4026 #endif
4027
4028 if (machine_class == NULL) {
4029 fprintf(stderr, "No machine specified, and there is no default.\n"
4030 "Use -machine help to list supported machines!\n");
4031 exit(1);
4032 }
4033
4034 current_machine = MACHINE(object_new(object_class_get_name(
4035 OBJECT_CLASS(machine_class))));
4036 object_property_add_child(object_get_root(), "machine",
4037 OBJECT(current_machine), &error_abort);
4038 cpu_exec_init_all();
4039
4040 if (machine_class->hw_version) {
4041 qemu_set_version(machine_class->hw_version);
4042 }
4043
4044 /* Init CPU def lists, based on config
4045 * - Must be called after all the qemu_read_config_file() calls
4046 * - Must be called before list_cpus()
4047 * - Must be called before machine->init()
4048 */
4049 cpudef_init();
4050
4051 if (cpu_model && is_help_option(cpu_model)) {
4052 list_cpus(stdout, &fprintf, cpu_model);
4053 exit(0);
4054 }
4055
4056 /* Open the logfile at this point, if necessary. We can't open the logfile
4057 * when encountering either of the logging options (-d or -D) because the
4058 * other one may be encountered later on the command line, changing the
4059 * location or level of logging.
4060 */
4061 if (log_mask) {
4062 int mask;
4063 if (log_file) {
4064 qemu_set_log_filename(log_file);
4065 }
4066
4067 mask = qemu_str_to_log_mask(log_mask);
4068 if (!mask) {
4069 qemu_print_log_usage(stdout);
4070 exit(1);
4071 }
4072 qemu_set_log(mask);
4073 }
4074
4075 if (!is_daemonized()) {
4076 if (!trace_init_backends(trace_events, trace_file)) {
4077 exit(1);
4078 }
4079 }
4080
4081 /* If no data_dir is specified then try to find it relative to the
4082 executable path. */
4083 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4084 data_dir[data_dir_idx] = os_find_datadir();
4085 if (data_dir[data_dir_idx] != NULL) {
4086 data_dir_idx++;
4087 }
4088 }
4089 /* If all else fails use the install path specified when building. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4092 }
4093
4094 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4095
4096 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4097 if (smp_cpus > machine_class->max_cpus) {
4098 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4099 "supported by machine `%s' (%d)\n", smp_cpus,
4100 machine_class->name, machine_class->max_cpus);
4101 exit(1);
4102 }
4103
4104 /*
4105 * Get the default machine options from the machine if it is not already
4106 * specified either by the configuration file or by the command line.
4107 */
4108 if (machine_class->default_machine_opts) {
4109 qemu_opts_set_defaults(qemu_find_opts("machine"),
4110 machine_class->default_machine_opts, 0);
4111 }
4112
4113 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4114 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4115
4116 if (!vga_model && !default_vga) {
4117 vga_interface_type = VGA_DEVICE;
4118 }
4119 if (!has_defaults || machine_class->no_serial) {
4120 default_serial = 0;
4121 }
4122 if (!has_defaults || machine_class->no_parallel) {
4123 default_parallel = 0;
4124 }
4125 if (!has_defaults || !machine_class->use_virtcon) {
4126 default_virtcon = 0;
4127 }
4128 if (!has_defaults || !machine_class->use_sclp) {
4129 default_sclp = 0;
4130 }
4131 if (!has_defaults || machine_class->no_floppy) {
4132 default_floppy = 0;
4133 }
4134 if (!has_defaults || machine_class->no_cdrom) {
4135 default_cdrom = 0;
4136 }
4137 if (!has_defaults || machine_class->no_sdcard) {
4138 default_sdcard = 0;
4139 }
4140 if (!has_defaults) {
4141 default_monitor = 0;
4142 default_net = 0;
4143 default_vga = 0;
4144 }
4145
4146 if (is_daemonized()) {
4147 /* According to documentation and historically, -nographic redirects
4148 * serial port, parallel port and monitor to stdio, which does not work
4149 * with -daemonize. We can redirect these to null instead, but since
4150 * -nographic is legacy, let's just error out.
4151 * We disallow -nographic only if all other ports are not redirected
4152 * explicitly, to not break existing legacy setups which uses
4153 * -nographic _and_ redirects all ports explicitly - this is valid
4154 * usage, -nographic is just a no-op in this case.
4155 */
4156 if (display_type == DT_NOGRAPHIC
4157 && (default_parallel || default_serial
4158 || default_monitor || default_virtcon)) {
4159 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4160 exit(1);
4161 }
4162 #ifdef CONFIG_CURSES
4163 if (display_type == DT_CURSES) {
4164 fprintf(stderr, "curses display can not be used with -daemonize\n");
4165 exit(1);
4166 }
4167 #endif
4168 }
4169
4170 if (display_type == DT_NOGRAPHIC) {
4171 if (default_parallel)
4172 add_device_config(DEV_PARALLEL, "null");
4173 if (default_serial && default_monitor) {
4174 add_device_config(DEV_SERIAL, "mon:stdio");
4175 } else if (default_virtcon && default_monitor) {
4176 add_device_config(DEV_VIRTCON, "mon:stdio");
4177 } else if (default_sclp && default_monitor) {
4178 add_device_config(DEV_SCLP, "mon:stdio");
4179 } else {
4180 if (default_serial)
4181 add_device_config(DEV_SERIAL, "stdio");
4182 if (default_virtcon)
4183 add_device_config(DEV_VIRTCON, "stdio");
4184 if (default_sclp) {
4185 add_device_config(DEV_SCLP, "stdio");
4186 }
4187 if (default_monitor)
4188 monitor_parse("stdio", "readline");
4189 }
4190 } else {
4191 if (default_serial)
4192 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4193 if (default_parallel)
4194 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4195 if (default_monitor)
4196 monitor_parse("vc:80Cx24C", "readline");
4197 if (default_virtcon)
4198 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4199 if (default_sclp) {
4200 add_device_config(DEV_SCLP, "vc:80Cx24C");
4201 }
4202 }
4203
4204 if (display_type == DT_DEFAULT && !display_remote) {
4205 #if defined(CONFIG_GTK)
4206 display_type = DT_GTK;
4207 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4208 display_type = DT_SDL;
4209 #elif defined(CONFIG_VNC)
4210 vnc_display = "localhost:0,to=99";
4211 show_vnc_port = 1;
4212 #else
4213 display_type = DT_NONE;
4214 #endif
4215 }
4216
4217 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4218 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4219 "for SDL, ignoring option\n");
4220 }
4221 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4222 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4223 "ignoring option\n");
4224 }
4225
4226 #if defined(CONFIG_GTK)
4227 if (display_type == DT_GTK) {
4228 early_gtk_display_init();
4229 }
4230 #endif
4231
4232 socket_init();
4233
4234 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4235 exit(1);
4236 #ifdef CONFIG_VIRTFS
4237 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4238 exit(1);
4239 }
4240 #endif
4241
4242 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4243 os_pidfile_error();
4244 exit(1);
4245 }
4246
4247 /* store value for the future use */
4248 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4249
4250 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4251 != 0) {
4252 exit(0);
4253 }
4254
4255 if (qemu_opts_foreach(qemu_find_opts("object"),
4256 object_create, NULL, 0) != 0) {
4257 exit(1);
4258 }
4259
4260 machine_opts = qemu_get_machine_opts();
4261 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4262 1) < 0) {
4263 object_unref(OBJECT(current_machine));
4264 exit(1);
4265 }
4266
4267 configure_accelerator(machine_class);
4268
4269 if (qtest_chrdev) {
4270 Error *local_err = NULL;
4271 qtest_init(qtest_chrdev, qtest_log, &local_err);
4272 if (local_err) {
4273 error_report("%s", error_get_pretty(local_err));
4274 error_free(local_err);
4275 exit(1);
4276 }
4277 }
4278
4279 machine_opts = qemu_get_machine_opts();
4280 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4281 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4282 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4283 bios_name = qemu_opt_get(machine_opts, "firmware");
4284
4285 boot_order = machine_class->default_boot_order;
4286 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4287 if (opts) {
4288 char *normal_boot_order;
4289 const char *order, *once;
4290
4291 order = qemu_opt_get(opts, "order");
4292 if (order) {
4293 validate_bootdevices(order);
4294 boot_order = order;
4295 }
4296
4297 once = qemu_opt_get(opts, "once");
4298 if (once) {
4299 validate_bootdevices(once);
4300 normal_boot_order = g_strdup(boot_order);
4301 boot_order = once;
4302 qemu_register_reset(restore_boot_order, normal_boot_order);
4303 }
4304
4305 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4306 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4307 }
4308
4309 if (!kernel_cmdline) {
4310 kernel_cmdline = "";
4311 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4312 }
4313
4314 linux_boot = (kernel_filename != NULL);
4315
4316 if (!linux_boot && *kernel_cmdline != '\0') {
4317 fprintf(stderr, "-append only allowed with -kernel option\n");
4318 exit(1);
4319 }
4320
4321 if (!linux_boot && initrd_filename != NULL) {
4322 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4323 exit(1);
4324 }
4325
4326 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4327 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4328 exit(1);
4329 }
4330
4331 os_set_line_buffering();
4332
4333 qemu_init_cpu_loop();
4334 qemu_mutex_lock_iothread();
4335
4336 #ifdef CONFIG_SPICE
4337 /* spice needs the timers to be initialized by this point */
4338 qemu_spice_init();
4339 #endif
4340
4341 cpu_ticks_init();
4342 if (icount_opts) {
4343 if (kvm_enabled() || xen_enabled()) {
4344 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4345 exit(1);
4346 }
4347 configure_icount(icount_opts, &error_abort);
4348 qemu_opts_del(icount_opts);
4349 }
4350
4351 /* clean up network at qemu process termination */
4352 atexit(&net_cleanup);
4353
4354 if (net_init_clients() < 0) {
4355 exit(1);
4356 }
4357
4358 #ifdef CONFIG_TPM
4359 if (tpm_init() < 0) {
4360 exit(1);
4361 }
4362 #endif
4363
4364 /* init the bluetooth world */
4365 if (foreach_device_config(DEV_BT, bt_parse))
4366 exit(1);
4367
4368 if (!xen_enabled()) {
4369 /* On 32-bit hosts, QEMU is limited by virtual address space */
4370 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4371 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4372 exit(1);
4373 }
4374 }
4375
4376 blk_mig_init();
4377 ram_mig_init();
4378
4379 /* If the currently selected machine wishes to override the units-per-bus
4380 * property of its default HBA interface type, do so now. */
4381 if (machine_class->units_per_default_bus) {
4382 override_max_devs(machine_class->block_default_type,
4383 machine_class->units_per_default_bus);
4384 }
4385
4386 /* open the virtual block devices */
4387 if (snapshot)
4388 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4389 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4390 &machine_class->block_default_type, 1) != 0) {
4391 exit(1);
4392 }
4393
4394 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4395 CDROM_OPTS);
4396 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4397 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4398
4399 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4400 NULL, 1) != 0) {
4401 exit(1);
4402 }
4403
4404 set_numa_nodes();
4405
4406 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4407 exit(1);
4408 }
4409
4410 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4411 exit(1);
4412 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4413 exit(1);
4414 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4415 exit(1);
4416 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4417 exit(1);
4418 }
4419 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4420 exit(1);
4421
4422 /* If no default VGA is requested, the default is "none". */
4423 if (default_vga) {
4424 if (cirrus_vga_available()) {
4425 vga_model = "cirrus";
4426 } else if (vga_available()) {
4427 vga_model = "std";
4428 }
4429 }
4430 if (vga_model) {
4431 select_vgahw(vga_model);
4432 }
4433
4434 if (watchdog) {
4435 i = select_watchdog(watchdog);
4436 if (i > 0)
4437 exit (i == 1 ? 1 : 0);
4438 }
4439
4440 if (machine_class->compat_props) {
4441 qdev_prop_register_global_list(machine_class->compat_props);
4442 }
4443 qemu_add_globals();
4444
4445 qdev_machine_init();
4446
4447 current_machine->ram_size = ram_size;
4448 current_machine->maxram_size = maxram_size;
4449 current_machine->ram_slots = ram_slots;
4450 current_machine->boot_order = boot_order;
4451 current_machine->cpu_model = cpu_model;
4452
4453 machine_class->init(current_machine);
4454
4455 realtime_init();
4456
4457 audio_init();
4458
4459 cpu_synchronize_all_post_init();
4460
4461 set_numa_modes();
4462
4463 /* init USB devices */
4464 if (usb_enabled(false)) {
4465 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4466 exit(1);
4467 }
4468
4469 /* init generic devices */
4470 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4471 exit(1);
4472
4473 /* Did we create any drives that we failed to create a device for? */
4474 drive_check_orphaned();
4475
4476 net_check_clients();
4477
4478 ds = init_displaystate();
4479
4480 /* init local displays */
4481 switch (display_type) {
4482 case DT_NOGRAPHIC:
4483 (void)ds; /* avoid warning if no display is configured */
4484 break;
4485 #if defined(CONFIG_CURSES)
4486 case DT_CURSES:
4487 curses_display_init(ds, full_screen);
4488 break;
4489 #endif
4490 #if defined(CONFIG_SDL)
4491 case DT_SDL:
4492 sdl_display_init(ds, full_screen, no_frame);
4493 break;
4494 #elif defined(CONFIG_COCOA)
4495 case DT_SDL:
4496 cocoa_display_init(ds, full_screen);
4497 break;
4498 #endif
4499 #if defined(CONFIG_GTK)
4500 case DT_GTK:
4501 gtk_display_init(ds, full_screen, grab_on_hover);
4502 break;
4503 #endif
4504 default:
4505 break;
4506 }
4507
4508 /* must be after terminal init, SDL library changes signal handlers */
4509 os_setup_signal_handling();
4510
4511 #ifdef CONFIG_VNC
4512 /* init remote displays */
4513 if (vnc_display) {
4514 Error *local_err = NULL;
4515 vnc_display_init(ds);
4516 vnc_display_open(ds, vnc_display, &local_err);
4517 if (local_err != NULL) {
4518 error_report("Failed to start VNC server on `%s': %s",
4519 vnc_display, error_get_pretty(local_err));
4520 error_free(local_err);
4521 exit(1);
4522 }
4523
4524 if (show_vnc_port) {
4525 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4526 }
4527 }
4528 #endif
4529 #ifdef CONFIG_SPICE
4530 if (using_spice) {
4531 qemu_spice_display_init();
4532 }
4533 #endif
4534
4535 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4536 exit(1);
4537 }
4538
4539 qdev_machine_creation_done();
4540
4541 if (rom_load_all() != 0) {
4542 fprintf(stderr, "rom loading failed\n");
4543 exit(1);
4544 }
4545
4546 /* TODO: once all bus devices are qdevified, this should be done
4547 * when bus is created by qdev.c */
4548 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4549 qemu_run_machine_init_done_notifiers();
4550
4551 /* Done notifiers can load ROMs */
4552 rom_load_done();
4553
4554 qemu_system_reset(VMRESET_SILENT);
4555 if (loadvm) {
4556 if (load_vmstate(loadvm) < 0) {
4557 autostart = 0;
4558 }
4559 }
4560
4561 qdev_prop_check_globals();
4562 if (vmstate_dump_file) {
4563 /* dump and exit */
4564 dump_vmstate_json_to_file(vmstate_dump_file);
4565 return 0;
4566 }
4567
4568 if (incoming) {
4569 Error *local_err = NULL;
4570 qemu_start_incoming_migration(incoming, &local_err);
4571 if (local_err) {
4572 error_report("-incoming %s: %s", incoming,
4573 error_get_pretty(local_err));
4574 error_free(local_err);
4575 exit(1);
4576 }
4577 } else if (autostart) {
4578 vm_start();
4579 }
4580
4581 os_setup_post();
4582
4583 if (is_daemonized()) {
4584 if (!trace_init_backends(trace_events, trace_file)) {
4585 exit(1);
4586 }
4587 }
4588
4589 main_loop();
4590 bdrv_close_all();
4591 pause_all_vcpus();
4592 res_free();
4593 #ifdef CONFIG_TPM
4594 tpm_cleanup();
4595 #endif
4596
4597 return 0;
4598 }
QEmu