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vl.c: Replace QEMUMachine with MachineClass in QEMUMachineInitArgs
[qemu-kvm.git] / vl.c
blob2c2b625b3753cb243c1bbc678d79b49499c92aec
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
120
121 #define DEFAULT_RAM_SIZE 128
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 typedef struct FWBootEntry FWBootEntry;
186
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
192 };
193
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
196
197 int nb_numa_nodes;
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
200
201 uint8_t qemu_uuid[16];
202 bool qemu_uuid_set;
203
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
206
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
209
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
212
213 static bool tcg_allowed = true;
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
218
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
229
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
275 {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
288 {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
291 },{
292 .name = "file",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
304 {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
321 {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
373 },{
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
377 },{
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
381 },{
382 .name = "kvm-type",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
385 },
386 { /* End of list */ }
387 },
388 };
389
390 static QemuOptsList qemu_boot_opts = {
391 .name = "boot-opts",
392 .implied_opt_name = "order",
393 .merge_lists = true,
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
395 .desc = {
396 {
397 .name = "order",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "once",
401 .type = QEMU_OPT_STRING,
402 }, {
403 .name = "menu",
404 .type = QEMU_OPT_BOOL,
405 }, {
406 .name = "splash",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "strict",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /*End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_add_fd_opts = {
423 .name = "add-fd",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
425 .desc = {
426 {
427 .name = "fd",
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
430 },{
431 .name = "set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
434 },{
435 .name = "opaque",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
438 },
439 { /* end of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_object_opts = {
444 .name = "object",
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
447 .desc = {
448 { }
449 },
450 };
451
452 static QemuOptsList qemu_tpmdev_opts = {
453 .name = "tpmdev",
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 .desc = {
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_realtime_opts = {
463 .name = "realtime",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
465 .desc = {
466 {
467 .name = "mlock",
468 .type = QEMU_OPT_BOOL,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_msg_opts = {
475 .name = "msg",
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
477 .desc = {
478 {
479 .name = "timestamp",
480 .type = QEMU_OPT_BOOL,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_name_opts = {
487 .name = "name",
488 .implied_opt_name = "guest",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
491 .desc = {
492 {
493 .name = "guest",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
498 }, {
499 .name = "process",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
502 }, {
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
507 "stable API.",
508 },
509 { /* End of list */ }
510 },
511 };
512
513 static QemuOptsList qemu_mem_opts = {
514 .name = "memory",
515 .implied_opt_name = "size",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
517 .merge_lists = true,
518 .desc = {
519 {
520 .name = "size",
521 .type = QEMU_OPT_SIZE,
522 },
523 { /* end of list */ }
524 },
525 };
526
527 /**
528 * Get machine options
529 *
530 * Returns: machine options (never null).
531 */
532 QemuOpts *qemu_get_machine_opts(void)
533 {
534 return qemu_find_opts_singleton("machine");
535 }
536
537 const char *qemu_get_vm_name(void)
538 {
539 return qemu_name;
540 }
541
542 static void res_free(void)
543 {
544 if (boot_splash_filedata != NULL) {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548 }
549
550 static int default_driver_check(QemuOpts *opts, void *opaque)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582
583 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
585
586 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
587 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
590 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
598
599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
601
602 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
603
604 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
614
615 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
616
617 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
621 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
622 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
623 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
624
625 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
626 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
627
628 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_MAX, RUN_STATE_MAX },
632 };
633
634 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
635
636 bool runstate_check(RunState state)
637 {
638 return current_run_state == state;
639 }
640
641 static void runstate_init(void)
642 {
643 const RunStateTransition *p;
644
645 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
646
647 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
648 runstate_valid_transitions[p->from][p->to] = true;
649 }
650 }
651
652 /* This function will abort() on invalid state transitions */
653 void runstate_set(RunState new_state)
654 {
655 assert(new_state < RUN_STATE_MAX);
656
657 if (!runstate_valid_transitions[current_run_state][new_state]) {
658 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
659 RunState_lookup[current_run_state],
660 RunState_lookup[new_state]);
661 abort();
662 }
663 trace_runstate_set(new_state);
664 current_run_state = new_state;
665 }
666
667 int runstate_is_running(void)
668 {
669 return runstate_check(RUN_STATE_RUNNING);
670 }
671
672 bool runstate_needs_reset(void)
673 {
674 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
675 runstate_check(RUN_STATE_SHUTDOWN);
676 }
677
678 StatusInfo *qmp_query_status(Error **errp)
679 {
680 StatusInfo *info = g_malloc0(sizeof(*info));
681
682 info->running = runstate_is_running();
683 info->singlestep = singlestep;
684 info->status = current_run_state;
685
686 return info;
687 }
688
689 /***********************************************************/
690 /* real time host monotonic timer */
691
692 /***********************************************************/
693 /* host time/date access */
694 void qemu_get_timedate(struct tm *tm, int offset)
695 {
696 time_t ti;
697
698 time(&ti);
699 ti += offset;
700 if (rtc_date_offset == -1) {
701 if (rtc_utc)
702 gmtime_r(&ti, tm);
703 else
704 localtime_r(&ti, tm);
705 } else {
706 ti -= rtc_date_offset;
707 gmtime_r(&ti, tm);
708 }
709 }
710
711 int qemu_timedate_diff(struct tm *tm)
712 {
713 time_t seconds;
714
715 if (rtc_date_offset == -1)
716 if (rtc_utc)
717 seconds = mktimegm(tm);
718 else {
719 struct tm tmp = *tm;
720 tmp.tm_isdst = -1; /* use timezone to figure it out */
721 seconds = mktime(&tmp);
722 }
723 else
724 seconds = mktimegm(tm) + rtc_date_offset;
725
726 return seconds - time(NULL);
727 }
728
729 void rtc_change_mon_event(struct tm *tm)
730 {
731 QObject *data;
732
733 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
734 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
735 qobject_decref(data);
736 }
737
738 static void configure_rtc_date_offset(const char *startdate, int legacy)
739 {
740 time_t rtc_start_date;
741 struct tm tm;
742
743 if (!strcmp(startdate, "now") && legacy) {
744 rtc_date_offset = -1;
745 } else {
746 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
747 &tm.tm_year,
748 &tm.tm_mon,
749 &tm.tm_mday,
750 &tm.tm_hour,
751 &tm.tm_min,
752 &tm.tm_sec) == 6) {
753 /* OK */
754 } else if (sscanf(startdate, "%d-%d-%d",
755 &tm.tm_year,
756 &tm.tm_mon,
757 &tm.tm_mday) == 3) {
758 tm.tm_hour = 0;
759 tm.tm_min = 0;
760 tm.tm_sec = 0;
761 } else {
762 goto date_fail;
763 }
764 tm.tm_year -= 1900;
765 tm.tm_mon--;
766 rtc_start_date = mktimegm(&tm);
767 if (rtc_start_date == -1) {
768 date_fail:
769 fprintf(stderr, "Invalid date format. Valid formats are:\n"
770 "'2006-06-17T16:01:21' or '2006-06-17'\n");
771 exit(1);
772 }
773 rtc_date_offset = time(NULL) - rtc_start_date;
774 }
775 }
776
777 static void configure_rtc(QemuOpts *opts)
778 {
779 const char *value;
780
781 value = qemu_opt_get(opts, "base");
782 if (value) {
783 if (!strcmp(value, "utc")) {
784 rtc_utc = 1;
785 } else if (!strcmp(value, "localtime")) {
786 rtc_utc = 0;
787 } else {
788 configure_rtc_date_offset(value, 0);
789 }
790 }
791 value = qemu_opt_get(opts, "clock");
792 if (value) {
793 if (!strcmp(value, "host")) {
794 rtc_clock = QEMU_CLOCK_HOST;
795 } else if (!strcmp(value, "rt")) {
796 rtc_clock = QEMU_CLOCK_REALTIME;
797 } else if (!strcmp(value, "vm")) {
798 rtc_clock = QEMU_CLOCK_VIRTUAL;
799 } else {
800 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
801 exit(1);
802 }
803 }
804 value = qemu_opt_get(opts, "driftfix");
805 if (value) {
806 if (!strcmp(value, "slew")) {
807 static GlobalProperty slew_lost_ticks[] = {
808 {
809 .driver = "mc146818rtc",
810 .property = "lost_tick_policy",
811 .value = "slew",
812 },
813 { /* end of list */ }
814 };
815
816 qdev_prop_register_global_list(slew_lost_ticks);
817 } else if (!strcmp(value, "none")) {
818 /* discard is default */
819 } else {
820 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
821 exit(1);
822 }
823 }
824 }
825
826 /***********************************************************/
827 /* Bluetooth support */
828 static int nb_hcis;
829 static int cur_hci;
830 static struct HCIInfo *hci_table[MAX_NICS];
831
832 struct HCIInfo *qemu_next_hci(void)
833 {
834 if (cur_hci == nb_hcis)
835 return &null_hci;
836
837 return hci_table[cur_hci++];
838 }
839
840 static int bt_hci_parse(const char *str)
841 {
842 struct HCIInfo *hci;
843 bdaddr_t bdaddr;
844
845 if (nb_hcis >= MAX_NICS) {
846 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
847 return -1;
848 }
849
850 hci = hci_init(str);
851 if (!hci)
852 return -1;
853
854 bdaddr.b[0] = 0x52;
855 bdaddr.b[1] = 0x54;
856 bdaddr.b[2] = 0x00;
857 bdaddr.b[3] = 0x12;
858 bdaddr.b[4] = 0x34;
859 bdaddr.b[5] = 0x56 + nb_hcis;
860 hci->bdaddr_set(hci, bdaddr.b);
861
862 hci_table[nb_hcis++] = hci;
863
864 return 0;
865 }
866
867 static void bt_vhci_add(int vlan_id)
868 {
869 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
870
871 if (!vlan->slave)
872 fprintf(stderr, "qemu: warning: adding a VHCI to "
873 "an empty scatternet %i\n", vlan_id);
874
875 bt_vhci_init(bt_new_hci(vlan));
876 }
877
878 static struct bt_device_s *bt_device_add(const char *opt)
879 {
880 struct bt_scatternet_s *vlan;
881 int vlan_id = 0;
882 char *endp = strstr(opt, ",vlan=");
883 int len = (endp ? endp - opt : strlen(opt)) + 1;
884 char devname[10];
885
886 pstrcpy(devname, MIN(sizeof(devname), len), opt);
887
888 if (endp) {
889 vlan_id = strtol(endp + 6, &endp, 0);
890 if (*endp) {
891 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
892 return 0;
893 }
894 }
895
896 vlan = qemu_find_bt_vlan(vlan_id);
897
898 if (!vlan->slave)
899 fprintf(stderr, "qemu: warning: adding a slave device to "
900 "an empty scatternet %i\n", vlan_id);
901
902 if (!strcmp(devname, "keyboard"))
903 return bt_keyboard_init(vlan);
904
905 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
906 return 0;
907 }
908
909 static int bt_parse(const char *opt)
910 {
911 const char *endp, *p;
912 int vlan;
913
914 if (strstart(opt, "hci", &endp)) {
915 if (!*endp || *endp == ',') {
916 if (*endp)
917 if (!strstart(endp, ",vlan=", 0))
918 opt = endp + 1;
919
920 return bt_hci_parse(opt);
921 }
922 } else if (strstart(opt, "vhci", &endp)) {
923 if (!*endp || *endp == ',') {
924 if (*endp) {
925 if (strstart(endp, ",vlan=", &p)) {
926 vlan = strtol(p, (char **) &endp, 0);
927 if (*endp) {
928 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
929 return 1;
930 }
931 } else {
932 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
933 return 1;
934 }
935 } else
936 vlan = 0;
937
938 bt_vhci_add(vlan);
939 return 0;
940 }
941 } else if (strstart(opt, "device:", &endp))
942 return !bt_device_add(endp);
943
944 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
945 return 1;
946 }
947
948 static int parse_sandbox(QemuOpts *opts, void *opaque)
949 {
950 /* FIXME: change this to true for 1.3 */
951 if (qemu_opt_get_bool(opts, "enable", false)) {
952 #ifdef CONFIG_SECCOMP
953 if (seccomp_start() < 0) {
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "failed to install seccomp syscall filter in the kernel");
956 return -1;
957 }
958 #else
959 qerror_report(ERROR_CLASS_GENERIC_ERROR,
960 "sandboxing request but seccomp is not compiled into this build");
961 return -1;
962 #endif
963 }
964
965 return 0;
966 }
967
968 static void parse_name(QemuOpts *opts)
969 {
970 const char *proc_name;
971
972 if (qemu_opt_get(opts, "debug-threads")) {
973 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
974 }
975 qemu_name = qemu_opt_get(opts, "guest");
976
977 proc_name = qemu_opt_get(opts, "process");
978 if (proc_name) {
979 os_set_proc_name(proc_name);
980 }
981 }
982
983 bool usb_enabled(bool default_usb)
984 {
985 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
986 has_defaults && default_usb);
987 }
988
989 #ifndef _WIN32
990 static int parse_add_fd(QemuOpts *opts, void *opaque)
991 {
992 int fd, dupfd, flags;
993 int64_t fdset_id;
994 const char *fd_opaque = NULL;
995
996 fd = qemu_opt_get_number(opts, "fd", -1);
997 fdset_id = qemu_opt_get_number(opts, "set", -1);
998 fd_opaque = qemu_opt_get(opts, "opaque");
999
1000 if (fd < 0) {
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1002 "fd option is required and must be non-negative");
1003 return -1;
1004 }
1005
1006 if (fd <= STDERR_FILENO) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1008 "fd cannot be a standard I/O stream");
1009 return -1;
1010 }
1011
1012 /*
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1015 */
1016 flags = fcntl(fd, F_GETFD);
1017 if (flags == -1 || (flags & FD_CLOEXEC)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd is not valid or already in use");
1020 return -1;
1021 }
1022
1023 if (fdset_id < 0) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "set option is required and must be non-negative");
1026 return -1;
1027 }
1028
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1031 #else
1032 dupfd = dup(fd);
1033 if (dupfd != -1) {
1034 qemu_set_cloexec(dupfd);
1035 }
1036 #endif
1037 if (dupfd == -1) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "Error duplicating fd: %s", strerror(errno));
1040 return -1;
1041 }
1042
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1045 fd_opaque, NULL);
1046
1047 return 0;
1048 }
1049
1050 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1051 {
1052 int fd;
1053
1054 fd = qemu_opt_get_number(opts, "fd", -1);
1055 close(fd);
1056
1057 return 0;
1058 }
1059 #endif
1060
1061 /***********************************************************/
1062 /* QEMU Block devices */
1063
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1066 #define FD_OPTS ""
1067 #define PFLASH_OPTS ""
1068 #define MTD_OPTS ""
1069 #define SD_OPTS ""
1070
1071 static int drive_init_func(QemuOpts *opts, void *opaque)
1072 {
1073 BlockInterfaceType *block_default_type = opaque;
1074
1075 return drive_init(opts, *block_default_type) == NULL;
1076 }
1077
1078 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1079 {
1080 if (NULL == qemu_opt_get(opts, "snapshot")) {
1081 qemu_opt_set(opts, "snapshot", "on");
1082 }
1083 return 0;
1084 }
1085
1086 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1087 int index, const char *optstr)
1088 {
1089 QemuOpts *opts;
1090
1091 if (!enable || drive_get_by_index(type, index)) {
1092 return;
1093 }
1094
1095 opts = drive_add(type, index, NULL, optstr);
1096 if (snapshot) {
1097 drive_enable_snapshot(opts, NULL);
1098 }
1099 if (!drive_init(opts, type)) {
1100 exit(1);
1101 }
1102 }
1103
1104 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1105 {
1106 boot_set_handler = func;
1107 boot_set_opaque = opaque;
1108 }
1109
1110 int qemu_boot_set(const char *boot_order)
1111 {
1112 if (!boot_set_handler) {
1113 return -EINVAL;
1114 }
1115 return boot_set_handler(boot_set_opaque, boot_order);
1116 }
1117
1118 static void validate_bootdevices(const char *devices)
1119 {
1120 /* We just do some generic consistency checks */
1121 const char *p;
1122 int bitmap = 0;
1123
1124 for (p = devices; *p != '\0'; p++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1132 * features.
1133 */
1134 if (*p < 'a' || *p > 'p') {
1135 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1136 exit(1);
1137 }
1138 if (bitmap & (1 << (*p - 'a'))) {
1139 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1140 exit(1);
1141 }
1142 bitmap |= 1 << (*p - 'a');
1143 }
1144 }
1145
1146 static void restore_boot_order(void *opaque)
1147 {
1148 char *normal_boot_order = opaque;
1149 static int first = 1;
1150
1151 /* Restore boot order and remove ourselves after the first boot */
1152 if (first) {
1153 first = 0;
1154 return;
1155 }
1156
1157 qemu_boot_set(normal_boot_order);
1158
1159 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1160 g_free(normal_boot_order);
1161 }
1162
1163 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1164 const char *suffix)
1165 {
1166 FWBootEntry *node, *i;
1167
1168 if (bootindex < 0) {
1169 return;
1170 }
1171
1172 assert(dev != NULL || suffix != NULL);
1173
1174 node = g_malloc0(sizeof(FWBootEntry));
1175 node->bootindex = bootindex;
1176 node->suffix = g_strdup(suffix);
1177 node->dev = dev;
1178
1179 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1180 if (i->bootindex == bootindex) {
1181 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1182 exit(1);
1183 } else if (i->bootindex < bootindex) {
1184 continue;
1185 }
1186 QTAILQ_INSERT_BEFORE(i, node, link);
1187 return;
1188 }
1189 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1190 }
1191
1192 DeviceState *get_boot_device(uint32_t position)
1193 {
1194 uint32_t counter = 0;
1195 FWBootEntry *i = NULL;
1196 DeviceState *res = NULL;
1197
1198 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1199 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1200 if (counter == position) {
1201 res = i->dev;
1202 break;
1203 }
1204 counter++;
1205 }
1206 }
1207 return res;
1208 }
1209
1210 /*
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1213 *
1214 * memory pointed by "size" is assigned total length of the array in bytes
1215 *
1216 */
1217 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1218 {
1219 FWBootEntry *i;
1220 size_t total = 0;
1221 char *list = NULL;
1222
1223 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1224 char *devpath = NULL, *bootpath;
1225 size_t len;
1226
1227 if (i->dev) {
1228 devpath = qdev_get_fw_dev_path(i->dev);
1229 assert(devpath);
1230 }
1231
1232 if (i->suffix && !ignore_suffixes && devpath) {
1233 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1234
1235 bootpath = g_malloc(bootpathlen);
1236 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1237 g_free(devpath);
1238 } else if (devpath) {
1239 bootpath = devpath;
1240 } else if (!ignore_suffixes) {
1241 assert(i->suffix);
1242 bootpath = g_strdup(i->suffix);
1243 } else {
1244 bootpath = g_strdup("");
1245 }
1246
1247 if (total) {
1248 list[total-1] = '\n';
1249 }
1250 len = strlen(bootpath) + 1;
1251 list = g_realloc(list, total + len);
1252 memcpy(&list[total], bootpath, len);
1253 total += len;
1254 g_free(bootpath);
1255 }
1256
1257 *size = total;
1258
1259 if (boot_strict && *size > 0) {
1260 list[total-1] = '\n';
1261 list = g_realloc(list, total + 5);
1262 memcpy(&list[total], "HALT", 5);
1263 *size = total + 5;
1264 }
1265 return list;
1266 }
1267
1268 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1269 {
1270 char *endptr;
1271 unsigned long long value, endvalue;
1272
1273 /* Empty CPU range strings will be considered valid, they will simply
1274 * not set any bit in the CPU bitmap.
1275 */
1276 if (!*cpus) {
1277 return;
1278 }
1279
1280 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1281 goto error;
1282 }
1283 if (*endptr == '-') {
1284 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1285 goto error;
1286 }
1287 } else if (*endptr == '\0') {
1288 endvalue = value;
1289 } else {
1290 goto error;
1291 }
1292
1293 if (endvalue >= MAX_CPUMASK_BITS) {
1294 endvalue = MAX_CPUMASK_BITS - 1;
1295 fprintf(stderr,
1296 "qemu: NUMA: A max of %d VCPUs are supported\n",
1297 MAX_CPUMASK_BITS);
1298 }
1299
1300 if (endvalue < value) {
1301 goto error;
1302 }
1303
1304 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1305 return;
1306
1307 error:
1308 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1309 exit(1);
1310 }
1311
1312 static void numa_add(const char *optarg)
1313 {
1314 char option[128];
1315 char *endptr;
1316 unsigned long long nodenr;
1317
1318 optarg = get_opt_name(option, 128, optarg, ',');
1319 if (*optarg == ',') {
1320 optarg++;
1321 }
1322 if (!strcmp(option, "node")) {
1323
1324 if (nb_numa_nodes >= MAX_NODES) {
1325 fprintf(stderr, "qemu: too many NUMA nodes\n");
1326 exit(1);
1327 }
1328
1329 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1330 nodenr = nb_numa_nodes;
1331 } else {
1332 if (parse_uint_full(option, &nodenr, 10) < 0) {
1333 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1334 exit(1);
1335 }
1336 }
1337
1338 if (nodenr >= MAX_NODES) {
1339 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1340 exit(1);
1341 }
1342
1343 if (get_param_value(option, 128, "mem", optarg) == 0) {
1344 node_mem[nodenr] = 0;
1345 } else {
1346 int64_t sval;
1347 sval = strtosz(option, &endptr);
1348 if (sval < 0 || *endptr) {
1349 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1350 exit(1);
1351 }
1352 node_mem[nodenr] = sval;
1353 }
1354 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1355 numa_node_parse_cpus(nodenr, option);
1356 }
1357 nb_numa_nodes++;
1358 } else {
1359 fprintf(stderr, "Invalid -numa option: %s\n", option);
1360 exit(1);
1361 }
1362 }
1363
1364 static QemuOptsList qemu_smp_opts = {
1365 .name = "smp-opts",
1366 .implied_opt_name = "cpus",
1367 .merge_lists = true,
1368 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1369 .desc = {
1370 {
1371 .name = "cpus",
1372 .type = QEMU_OPT_NUMBER,
1373 }, {
1374 .name = "sockets",
1375 .type = QEMU_OPT_NUMBER,
1376 }, {
1377 .name = "cores",
1378 .type = QEMU_OPT_NUMBER,
1379 }, {
1380 .name = "threads",
1381 .type = QEMU_OPT_NUMBER,
1382 }, {
1383 .name = "maxcpus",
1384 .type = QEMU_OPT_NUMBER,
1385 },
1386 { /*End of list */ }
1387 },
1388 };
1389
1390 static void smp_parse(QemuOpts *opts)
1391 {
1392 if (opts) {
1393
1394 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1395 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1396 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1397 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1398
1399 /* compute missing values, prefer sockets over cores over threads */
1400 if (cpus == 0 || sockets == 0) {
1401 sockets = sockets > 0 ? sockets : 1;
1402 cores = cores > 0 ? cores : 1;
1403 threads = threads > 0 ? threads : 1;
1404 if (cpus == 0) {
1405 cpus = cores * threads * sockets;
1406 }
1407 } else {
1408 if (cores == 0) {
1409 threads = threads > 0 ? threads : 1;
1410 cores = cpus / (sockets * threads);
1411 } else {
1412 threads = cpus / (cores * sockets);
1413 }
1414 }
1415
1416 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1417
1418 smp_cpus = cpus;
1419 smp_cores = cores > 0 ? cores : 1;
1420 smp_threads = threads > 0 ? threads : 1;
1421
1422 }
1423
1424 if (max_cpus == 0) {
1425 max_cpus = smp_cpus;
1426 }
1427
1428 if (max_cpus > MAX_CPUMASK_BITS) {
1429 fprintf(stderr, "Unsupported number of maxcpus\n");
1430 exit(1);
1431 }
1432 if (max_cpus < smp_cpus) {
1433 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1434 exit(1);
1435 }
1436
1437 }
1438
1439 static void configure_realtime(QemuOpts *opts)
1440 {
1441 bool enable_mlock;
1442
1443 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1444
1445 if (enable_mlock) {
1446 if (os_mlock() < 0) {
1447 fprintf(stderr, "qemu: locking memory failed\n");
1448 exit(1);
1449 }
1450 }
1451 }
1452
1453
1454 static void configure_msg(QemuOpts *opts)
1455 {
1456 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1457 }
1458
1459 /***********************************************************/
1460 /* USB devices */
1461
1462 static int usb_device_add(const char *devname)
1463 {
1464 USBDevice *dev = NULL;
1465 #ifndef CONFIG_LINUX
1466 const char *p;
1467 #endif
1468
1469 if (!usb_enabled(false)) {
1470 return -1;
1471 }
1472
1473 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1474 dev = usbdevice_create(devname);
1475 if (dev)
1476 goto done;
1477
1478 /* the other ones */
1479 #ifndef CONFIG_LINUX
1480 /* only the linux version is qdev-ified, usb-bsd still needs this */
1481 if (strstart(devname, "host:", &p)) {
1482 dev = usb_host_device_open(usb_bus_find(-1), p);
1483 }
1484 #endif
1485 if (!dev)
1486 return -1;
1487
1488 done:
1489 return 0;
1490 }
1491
1492 static int usb_device_del(const char *devname)
1493 {
1494 int bus_num, addr;
1495 const char *p;
1496
1497 if (strstart(devname, "host:", &p)) {
1498 return -1;
1499 }
1500
1501 if (!usb_enabled(false)) {
1502 return -1;
1503 }
1504
1505 p = strchr(devname, '.');
1506 if (!p)
1507 return -1;
1508 bus_num = strtoul(devname, NULL, 0);
1509 addr = strtoul(p + 1, NULL, 0);
1510
1511 return usb_device_delete_addr(bus_num, addr);
1512 }
1513
1514 static int usb_parse(const char *cmdline)
1515 {
1516 int r;
1517 r = usb_device_add(cmdline);
1518 if (r < 0) {
1519 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1520 }
1521 return r;
1522 }
1523
1524 void do_usb_add(Monitor *mon, const QDict *qdict)
1525 {
1526 const char *devname = qdict_get_str(qdict, "devname");
1527 if (usb_device_add(devname) < 0) {
1528 error_report("could not add USB device '%s'", devname);
1529 }
1530 }
1531
1532 void do_usb_del(Monitor *mon, const QDict *qdict)
1533 {
1534 const char *devname = qdict_get_str(qdict, "devname");
1535 if (usb_device_del(devname) < 0) {
1536 error_report("could not delete USB device '%s'", devname);
1537 }
1538 }
1539
1540 /***********************************************************/
1541 /* PCMCIA/Cardbus */
1542
1543 static struct pcmcia_socket_entry_s {
1544 PCMCIASocket *socket;
1545 struct pcmcia_socket_entry_s *next;
1546 } *pcmcia_sockets = 0;
1547
1548 void pcmcia_socket_register(PCMCIASocket *socket)
1549 {
1550 struct pcmcia_socket_entry_s *entry;
1551
1552 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1553 entry->socket = socket;
1554 entry->next = pcmcia_sockets;
1555 pcmcia_sockets = entry;
1556 }
1557
1558 void pcmcia_socket_unregister(PCMCIASocket *socket)
1559 {
1560 struct pcmcia_socket_entry_s *entry, **ptr;
1561
1562 ptr = &pcmcia_sockets;
1563 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1564 if (entry->socket == socket) {
1565 *ptr = entry->next;
1566 g_free(entry);
1567 }
1568 }
1569
1570 void pcmcia_info(Monitor *mon, const QDict *qdict)
1571 {
1572 struct pcmcia_socket_entry_s *iter;
1573
1574 if (!pcmcia_sockets)
1575 monitor_printf(mon, "No PCMCIA sockets\n");
1576
1577 for (iter = pcmcia_sockets; iter; iter = iter->next)
1578 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1579 iter->socket->attached ? iter->socket->card_string :
1580 "Empty");
1581 }
1582
1583 /***********************************************************/
1584 /* machine registration */
1585
1586 MachineState *current_machine;
1587
1588 static void machine_class_init(ObjectClass *oc, void *data)
1589 {
1590 MachineClass *mc = MACHINE_CLASS(oc);
1591 QEMUMachine *qm = data;
1592
1593 mc->qemu_machine = data;
1594
1595 mc->name = qm->name;
1596 mc->alias = qm->alias;
1597 mc->desc = qm->desc;
1598 mc->init = qm->init;
1599 mc->reset = qm->reset;
1600 mc->hot_add_cpu = qm->hot_add_cpu;
1601 mc->kvm_type = qm->kvm_type;
1602 mc->block_default_type = qm->block_default_type;
1603 mc->max_cpus = qm->max_cpus;
1604 mc->no_serial = qm->no_serial;
1605 mc->no_parallel = qm->no_parallel;
1606 mc->use_virtcon = qm->use_virtcon;
1607 mc->use_sclp = qm->use_sclp;
1608 mc->no_floppy = qm->no_floppy;
1609 mc->no_cdrom = qm->no_cdrom;
1610 mc->no_sdcard = qm->no_sdcard;
1611 mc->is_default = qm->is_default;
1612 mc->default_machine_opts = qm->default_machine_opts;
1613 mc->default_boot_order = qm->default_boot_order;
1614 mc->compat_props = qm->compat_props;
1615 mc->hw_version = qm->hw_version;
1616 }
1617
1618 int qemu_register_machine(QEMUMachine *m)
1619 {
1620 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1621 TypeInfo ti = {
1622 .name = name,
1623 .parent = TYPE_MACHINE,
1624 .class_init = machine_class_init,
1625 .class_data = (void *)m,
1626 };
1627
1628 type_register(&ti);
1629 g_free(name);
1630
1631 return 0;
1632 }
1633
1634 static MachineClass *find_machine(const char *name)
1635 {
1636 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1637 MachineClass *mc = NULL;
1638
1639 for (el = machines; el; el = el->next) {
1640 MachineClass *temp = el->data;
1641
1642 if (!strcmp(temp->qemu_machine->name, name)) {
1643 mc = temp;
1644 break;
1645 }
1646 if (temp->qemu_machine->alias &&
1647 !strcmp(temp->qemu_machine->alias, name)) {
1648 mc = temp;
1649 break;
1650 }
1651 }
1652
1653 g_slist_free(machines);
1654 return mc;
1655 }
1656
1657 MachineClass *find_default_machine(void)
1658 {
1659 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1660 MachineClass *mc = NULL;
1661
1662 for (el = machines; el; el = el->next) {
1663 MachineClass *temp = el->data;
1664
1665 if (temp->qemu_machine->is_default) {
1666 mc = temp;
1667 break;
1668 }
1669 }
1670
1671 g_slist_free(machines);
1672 return mc;
1673 }
1674
1675 MachineInfoList *qmp_query_machines(Error **errp)
1676 {
1677 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1678 MachineInfoList *mach_list = NULL;
1679 QEMUMachine *m;
1680
1681 for (el = machines; el; el = el->next) {
1682 MachineClass *mc = el->data;
1683 MachineInfoList *entry;
1684 MachineInfo *info;
1685
1686 m = mc->qemu_machine;
1687 info = g_malloc0(sizeof(*info));
1688 if (m->is_default) {
1689 info->has_is_default = true;
1690 info->is_default = true;
1691 }
1692
1693 if (m->alias) {
1694 info->has_alias = true;
1695 info->alias = g_strdup(m->alias);
1696 }
1697
1698 info->name = g_strdup(m->name);
1699 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1700
1701 entry = g_malloc0(sizeof(*entry));
1702 entry->value = info;
1703 entry->next = mach_list;
1704 mach_list = entry;
1705 }
1706
1707 g_slist_free(machines);
1708 return mach_list;
1709 }
1710
1711 /***********************************************************/
1712 /* main execution loop */
1713
1714 struct vm_change_state_entry {
1715 VMChangeStateHandler *cb;
1716 void *opaque;
1717 QLIST_ENTRY (vm_change_state_entry) entries;
1718 };
1719
1720 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1721
1722 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1723 void *opaque)
1724 {
1725 VMChangeStateEntry *e;
1726
1727 e = g_malloc0(sizeof (*e));
1728
1729 e->cb = cb;
1730 e->opaque = opaque;
1731 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1732 return e;
1733 }
1734
1735 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1736 {
1737 QLIST_REMOVE (e, entries);
1738 g_free (e);
1739 }
1740
1741 void vm_state_notify(int running, RunState state)
1742 {
1743 VMChangeStateEntry *e;
1744
1745 trace_vm_state_notify(running, state);
1746
1747 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1748 e->cb(e->opaque, running, state);
1749 }
1750 }
1751
1752 void vm_start(void)
1753 {
1754 if (!runstate_is_running()) {
1755 cpu_enable_ticks();
1756 runstate_set(RUN_STATE_RUNNING);
1757 vm_state_notify(1, RUN_STATE_RUNNING);
1758 resume_all_vcpus();
1759 monitor_protocol_event(QEVENT_RESUME, NULL);
1760 }
1761 }
1762
1763 /* reset/shutdown handler */
1764
1765 typedef struct QEMUResetEntry {
1766 QTAILQ_ENTRY(QEMUResetEntry) entry;
1767 QEMUResetHandler *func;
1768 void *opaque;
1769 } QEMUResetEntry;
1770
1771 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1772 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1773 static int reset_requested;
1774 static int shutdown_requested, shutdown_signal = -1;
1775 static pid_t shutdown_pid;
1776 static int powerdown_requested;
1777 static int debug_requested;
1778 static int suspend_requested;
1779 static WakeupReason wakeup_reason;
1780 static NotifierList powerdown_notifiers =
1781 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1782 static NotifierList suspend_notifiers =
1783 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1784 static NotifierList wakeup_notifiers =
1785 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1786 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1787 static RunState vmstop_requested = RUN_STATE_MAX;
1788
1789 int qemu_shutdown_requested_get(void)
1790 {
1791 return shutdown_requested;
1792 }
1793
1794 int qemu_reset_requested_get(void)
1795 {
1796 return reset_requested;
1797 }
1798
1799 static int qemu_shutdown_requested(void)
1800 {
1801 int r = shutdown_requested;
1802 shutdown_requested = 0;
1803 return r;
1804 }
1805
1806 static void qemu_kill_report(void)
1807 {
1808 if (!qtest_driver() && shutdown_signal != -1) {
1809 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1810 if (shutdown_pid == 0) {
1811 /* This happens for eg ^C at the terminal, so it's worth
1812 * avoiding printing an odd message in that case.
1813 */
1814 fputc('\n', stderr);
1815 } else {
1816 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1817 }
1818 shutdown_signal = -1;
1819 }
1820 }
1821
1822 static int qemu_reset_requested(void)
1823 {
1824 int r = reset_requested;
1825 reset_requested = 0;
1826 return r;
1827 }
1828
1829 static int qemu_suspend_requested(void)
1830 {
1831 int r = suspend_requested;
1832 suspend_requested = 0;
1833 return r;
1834 }
1835
1836 static WakeupReason qemu_wakeup_requested(void)
1837 {
1838 return wakeup_reason;
1839 }
1840
1841 static int qemu_powerdown_requested(void)
1842 {
1843 int r = powerdown_requested;
1844 powerdown_requested = 0;
1845 return r;
1846 }
1847
1848 static int qemu_debug_requested(void)
1849 {
1850 int r = debug_requested;
1851 debug_requested = 0;
1852 return r;
1853 }
1854
1855 /* We use RUN_STATE_MAX but any invalid value will do */
1856 static bool qemu_vmstop_requested(RunState *r)
1857 {
1858 if (vmstop_requested < RUN_STATE_MAX) {
1859 *r = vmstop_requested;
1860 vmstop_requested = RUN_STATE_MAX;
1861 return true;
1862 }
1863
1864 return false;
1865 }
1866
1867 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1868 {
1869 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1870
1871 re->func = func;
1872 re->opaque = opaque;
1873 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1874 }
1875
1876 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1877 {
1878 QEMUResetEntry *re;
1879
1880 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1881 if (re->func == func && re->opaque == opaque) {
1882 QTAILQ_REMOVE(&reset_handlers, re, entry);
1883 g_free(re);
1884 return;
1885 }
1886 }
1887 }
1888
1889 void qemu_devices_reset(void)
1890 {
1891 QEMUResetEntry *re, *nre;
1892
1893 /* reset all devices */
1894 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1895 re->func(re->opaque);
1896 }
1897 }
1898
1899 void qemu_system_reset(bool report)
1900 {
1901 MachineClass *mc;
1902
1903 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1904
1905 if (mc && mc->qemu_machine->reset) {
1906 mc->qemu_machine->reset();
1907 } else {
1908 qemu_devices_reset();
1909 }
1910 if (report) {
1911 monitor_protocol_event(QEVENT_RESET, NULL);
1912 }
1913 cpu_synchronize_all_post_reset();
1914 }
1915
1916 void qemu_system_reset_request(void)
1917 {
1918 if (no_reboot) {
1919 shutdown_requested = 1;
1920 } else {
1921 reset_requested = 1;
1922 }
1923 cpu_stop_current();
1924 qemu_notify_event();
1925 }
1926
1927 static void qemu_system_suspend(void)
1928 {
1929 pause_all_vcpus();
1930 notifier_list_notify(&suspend_notifiers, NULL);
1931 runstate_set(RUN_STATE_SUSPENDED);
1932 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1933 }
1934
1935 void qemu_system_suspend_request(void)
1936 {
1937 if (runstate_check(RUN_STATE_SUSPENDED)) {
1938 return;
1939 }
1940 suspend_requested = 1;
1941 cpu_stop_current();
1942 qemu_notify_event();
1943 }
1944
1945 void qemu_register_suspend_notifier(Notifier *notifier)
1946 {
1947 notifier_list_add(&suspend_notifiers, notifier);
1948 }
1949
1950 void qemu_system_wakeup_request(WakeupReason reason)
1951 {
1952 trace_system_wakeup_request(reason);
1953
1954 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1955 return;
1956 }
1957 if (!(wakeup_reason_mask & (1 << reason))) {
1958 return;
1959 }
1960 runstate_set(RUN_STATE_RUNNING);
1961 wakeup_reason = reason;
1962 qemu_notify_event();
1963 }
1964
1965 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1966 {
1967 if (enabled) {
1968 wakeup_reason_mask |= (1 << reason);
1969 } else {
1970 wakeup_reason_mask &= ~(1 << reason);
1971 }
1972 }
1973
1974 void qemu_register_wakeup_notifier(Notifier *notifier)
1975 {
1976 notifier_list_add(&wakeup_notifiers, notifier);
1977 }
1978
1979 void qemu_system_killed(int signal, pid_t pid)
1980 {
1981 shutdown_signal = signal;
1982 shutdown_pid = pid;
1983 no_shutdown = 0;
1984 qemu_system_shutdown_request();
1985 }
1986
1987 void qemu_system_shutdown_request(void)
1988 {
1989 shutdown_requested = 1;
1990 qemu_notify_event();
1991 }
1992
1993 static void qemu_system_powerdown(void)
1994 {
1995 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1996 notifier_list_notify(&powerdown_notifiers, NULL);
1997 }
1998
1999 void qemu_system_powerdown_request(void)
2000 {
2001 powerdown_requested = 1;
2002 qemu_notify_event();
2003 }
2004
2005 void qemu_register_powerdown_notifier(Notifier *notifier)
2006 {
2007 notifier_list_add(&powerdown_notifiers, notifier);
2008 }
2009
2010 void qemu_system_debug_request(void)
2011 {
2012 debug_requested = 1;
2013 qemu_notify_event();
2014 }
2015
2016 void qemu_system_vmstop_request(RunState state)
2017 {
2018 vmstop_requested = state;
2019 qemu_notify_event();
2020 }
2021
2022 static bool main_loop_should_exit(void)
2023 {
2024 RunState r;
2025 if (qemu_debug_requested()) {
2026 vm_stop(RUN_STATE_DEBUG);
2027 }
2028 if (qemu_suspend_requested()) {
2029 qemu_system_suspend();
2030 }
2031 if (qemu_shutdown_requested()) {
2032 qemu_kill_report();
2033 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2034 if (no_shutdown) {
2035 vm_stop(RUN_STATE_SHUTDOWN);
2036 } else {
2037 return true;
2038 }
2039 }
2040 if (qemu_reset_requested()) {
2041 pause_all_vcpus();
2042 cpu_synchronize_all_states();
2043 qemu_system_reset(VMRESET_REPORT);
2044 resume_all_vcpus();
2045 if (runstate_needs_reset()) {
2046 runstate_set(RUN_STATE_PAUSED);
2047 }
2048 }
2049 if (qemu_wakeup_requested()) {
2050 pause_all_vcpus();
2051 cpu_synchronize_all_states();
2052 qemu_system_reset(VMRESET_SILENT);
2053 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2054 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2055 resume_all_vcpus();
2056 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2057 }
2058 if (qemu_powerdown_requested()) {
2059 qemu_system_powerdown();
2060 }
2061 if (qemu_vmstop_requested(&r)) {
2062 vm_stop(r);
2063 }
2064 return false;
2065 }
2066
2067 static void main_loop(void)
2068 {
2069 bool nonblocking;
2070 int last_io = 0;
2071 #ifdef CONFIG_PROFILER
2072 int64_t ti;
2073 #endif
2074 do {
2075 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2076 #ifdef CONFIG_PROFILER
2077 ti = profile_getclock();
2078 #endif
2079 last_io = main_loop_wait(nonblocking);
2080 #ifdef CONFIG_PROFILER
2081 dev_time += profile_getclock() - ti;
2082 #endif
2083 } while (!main_loop_should_exit());
2084 }
2085
2086 static void version(void)
2087 {
2088 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2089 }
2090
2091 static void help(int exitcode)
2092 {
2093 version();
2094 printf("usage: %s [options] [disk_image]\n\n"
2095 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2096 error_get_progname());
2097
2098 #define QEMU_OPTIONS_GENERATE_HELP
2099 #include "qemu-options-wrapper.h"
2100
2101 printf("\nDuring emulation, the following keys are useful:\n"
2102 "ctrl-alt-f toggle full screen\n"
2103 "ctrl-alt-n switch to virtual console 'n'\n"
2104 "ctrl-alt toggle mouse and keyboard grab\n"
2105 "\n"
2106 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2107
2108 exit(exitcode);
2109 }
2110
2111 #define HAS_ARG 0x0001
2112
2113 typedef struct QEMUOption {
2114 const char *name;
2115 int flags;
2116 int index;
2117 uint32_t arch_mask;
2118 } QEMUOption;
2119
2120 static const QEMUOption qemu_options[] = {
2121 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2122 #define QEMU_OPTIONS_GENERATE_OPTIONS
2123 #include "qemu-options-wrapper.h"
2124 { NULL },
2125 };
2126
2127 static bool vga_available(void)
2128 {
2129 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2130 }
2131
2132 static bool cirrus_vga_available(void)
2133 {
2134 return object_class_by_name("cirrus-vga")
2135 || object_class_by_name("isa-cirrus-vga");
2136 }
2137
2138 static bool vmware_vga_available(void)
2139 {
2140 return object_class_by_name("vmware-svga");
2141 }
2142
2143 static bool qxl_vga_available(void)
2144 {
2145 return object_class_by_name("qxl-vga");
2146 }
2147
2148 static bool tcx_vga_available(void)
2149 {
2150 return object_class_by_name("SUNW,tcx");
2151 }
2152
2153 static bool cg3_vga_available(void)
2154 {
2155 return object_class_by_name("cgthree");
2156 }
2157
2158 static void select_vgahw (const char *p)
2159 {
2160 const char *opts;
2161
2162 assert(vga_interface_type == VGA_NONE);
2163 if (strstart(p, "std", &opts)) {
2164 if (vga_available()) {
2165 vga_interface_type = VGA_STD;
2166 } else {
2167 fprintf(stderr, "Error: standard VGA not available\n");
2168 exit(0);
2169 }
2170 } else if (strstart(p, "cirrus", &opts)) {
2171 if (cirrus_vga_available()) {
2172 vga_interface_type = VGA_CIRRUS;
2173 } else {
2174 fprintf(stderr, "Error: Cirrus VGA not available\n");
2175 exit(0);
2176 }
2177 } else if (strstart(p, "vmware", &opts)) {
2178 if (vmware_vga_available()) {
2179 vga_interface_type = VGA_VMWARE;
2180 } else {
2181 fprintf(stderr, "Error: VMWare SVGA not available\n");
2182 exit(0);
2183 }
2184 } else if (strstart(p, "xenfb", &opts)) {
2185 vga_interface_type = VGA_XENFB;
2186 } else if (strstart(p, "qxl", &opts)) {
2187 if (qxl_vga_available()) {
2188 vga_interface_type = VGA_QXL;
2189 } else {
2190 fprintf(stderr, "Error: QXL VGA not available\n");
2191 exit(0);
2192 }
2193 } else if (strstart(p, "tcx", &opts)) {
2194 if (tcx_vga_available()) {
2195 vga_interface_type = VGA_TCX;
2196 } else {
2197 fprintf(stderr, "Error: TCX framebuffer not available\n");
2198 exit(0);
2199 }
2200 } else if (strstart(p, "cg3", &opts)) {
2201 if (cg3_vga_available()) {
2202 vga_interface_type = VGA_CG3;
2203 } else {
2204 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2205 exit(0);
2206 }
2207 } else if (!strstart(p, "none", &opts)) {
2208 invalid_vga:
2209 fprintf(stderr, "Unknown vga type: %s\n", p);
2210 exit(1);
2211 }
2212 while (*opts) {
2213 const char *nextopt;
2214
2215 if (strstart(opts, ",retrace=", &nextopt)) {
2216 opts = nextopt;
2217 if (strstart(opts, "dumb", &nextopt))
2218 vga_retrace_method = VGA_RETRACE_DUMB;
2219 else if (strstart(opts, "precise", &nextopt))
2220 vga_retrace_method = VGA_RETRACE_PRECISE;
2221 else goto invalid_vga;
2222 } else goto invalid_vga;
2223 opts = nextopt;
2224 }
2225 }
2226
2227 static DisplayType select_display(const char *p)
2228 {
2229 const char *opts;
2230 DisplayType display = DT_DEFAULT;
2231
2232 if (strstart(p, "sdl", &opts)) {
2233 #ifdef CONFIG_SDL
2234 display = DT_SDL;
2235 while (*opts) {
2236 const char *nextopt;
2237
2238 if (strstart(opts, ",frame=", &nextopt)) {
2239 opts = nextopt;
2240 if (strstart(opts, "on", &nextopt)) {
2241 no_frame = 0;
2242 } else if (strstart(opts, "off", &nextopt)) {
2243 no_frame = 1;
2244 } else {
2245 goto invalid_sdl_args;
2246 }
2247 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2248 opts = nextopt;
2249 if (strstart(opts, "on", &nextopt)) {
2250 alt_grab = 1;
2251 } else if (strstart(opts, "off", &nextopt)) {
2252 alt_grab = 0;
2253 } else {
2254 goto invalid_sdl_args;
2255 }
2256 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2257 opts = nextopt;
2258 if (strstart(opts, "on", &nextopt)) {
2259 ctrl_grab = 1;
2260 } else if (strstart(opts, "off", &nextopt)) {
2261 ctrl_grab = 0;
2262 } else {
2263 goto invalid_sdl_args;
2264 }
2265 } else if (strstart(opts, ",window_close=", &nextopt)) {
2266 opts = nextopt;
2267 if (strstart(opts, "on", &nextopt)) {
2268 no_quit = 0;
2269 } else if (strstart(opts, "off", &nextopt)) {
2270 no_quit = 1;
2271 } else {
2272 goto invalid_sdl_args;
2273 }
2274 } else {
2275 invalid_sdl_args:
2276 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2277 exit(1);
2278 }
2279 opts = nextopt;
2280 }
2281 #else
2282 fprintf(stderr, "SDL support is disabled\n");
2283 exit(1);
2284 #endif
2285 } else if (strstart(p, "vnc", &opts)) {
2286 #ifdef CONFIG_VNC
2287 display_remote++;
2288
2289 if (*opts) {
2290 const char *nextopt;
2291
2292 if (strstart(opts, "=", &nextopt)) {
2293 vnc_display = nextopt;
2294 }
2295 }
2296 if (!vnc_display) {
2297 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2298 exit(1);
2299 }
2300 #else
2301 fprintf(stderr, "VNC support is disabled\n");
2302 exit(1);
2303 #endif
2304 } else if (strstart(p, "curses", &opts)) {
2305 #ifdef CONFIG_CURSES
2306 display = DT_CURSES;
2307 #else
2308 fprintf(stderr, "Curses support is disabled\n");
2309 exit(1);
2310 #endif
2311 } else if (strstart(p, "gtk", &opts)) {
2312 #ifdef CONFIG_GTK
2313 display = DT_GTK;
2314 while (*opts) {
2315 const char *nextopt;
2316
2317 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2318 opts = nextopt;
2319 if (strstart(opts, "on", &nextopt)) {
2320 grab_on_hover = true;
2321 } else if (strstart(opts, "off", &nextopt)) {
2322 grab_on_hover = false;
2323 } else {
2324 goto invalid_gtk_args;
2325 }
2326 } else {
2327 invalid_gtk_args:
2328 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2329 exit(1);
2330 }
2331 opts = nextopt;
2332 }
2333 #else
2334 fprintf(stderr, "GTK support is disabled\n");
2335 exit(1);
2336 #endif
2337 } else if (strstart(p, "none", &opts)) {
2338 display = DT_NONE;
2339 } else {
2340 fprintf(stderr, "Unknown display type: %s\n", p);
2341 exit(1);
2342 }
2343
2344 return display;
2345 }
2346
2347 static int balloon_parse(const char *arg)
2348 {
2349 QemuOpts *opts;
2350
2351 if (strcmp(arg, "none") == 0) {
2352 return 0;
2353 }
2354
2355 if (!strncmp(arg, "virtio", 6)) {
2356 if (arg[6] == ',') {
2357 /* have params -> parse them */
2358 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2359 if (!opts)
2360 return -1;
2361 } else {
2362 /* create empty opts */
2363 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2364 &error_abort);
2365 }
2366 qemu_opt_set(opts, "driver", "virtio-balloon");
2367 return 0;
2368 }
2369
2370 return -1;
2371 }
2372
2373 char *qemu_find_file(int type, const char *name)
2374 {
2375 int i;
2376 const char *subdir;
2377 char *buf;
2378
2379 /* Try the name as a straight path first */
2380 if (access(name, R_OK) == 0) {
2381 trace_load_file(name, name);
2382 return g_strdup(name);
2383 }
2384
2385 switch (type) {
2386 case QEMU_FILE_TYPE_BIOS:
2387 subdir = "";
2388 break;
2389 case QEMU_FILE_TYPE_KEYMAP:
2390 subdir = "keymaps/";
2391 break;
2392 default:
2393 abort();
2394 }
2395
2396 for (i = 0; i < data_dir_idx; i++) {
2397 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2398 if (access(buf, R_OK) == 0) {
2399 trace_load_file(name, buf);
2400 return buf;
2401 }
2402 g_free(buf);
2403 }
2404 return NULL;
2405 }
2406
2407 static int device_help_func(QemuOpts *opts, void *opaque)
2408 {
2409 return qdev_device_help(opts);
2410 }
2411
2412 static int device_init_func(QemuOpts *opts, void *opaque)
2413 {
2414 DeviceState *dev;
2415
2416 dev = qdev_device_add(opts);
2417 if (!dev)
2418 return -1;
2419 object_unref(OBJECT(dev));
2420 return 0;
2421 }
2422
2423 static int chardev_init_func(QemuOpts *opts, void *opaque)
2424 {
2425 Error *local_err = NULL;
2426
2427 qemu_chr_new_from_opts(opts, NULL, &local_err);
2428 if (local_err) {
2429 error_report("%s", error_get_pretty(local_err));
2430 error_free(local_err);
2431 return -1;
2432 }
2433 return 0;
2434 }
2435
2436 #ifdef CONFIG_VIRTFS
2437 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2438 {
2439 int ret;
2440 ret = qemu_fsdev_add(opts);
2441
2442 return ret;
2443 }
2444 #endif
2445
2446 static int mon_init_func(QemuOpts *opts, void *opaque)
2447 {
2448 CharDriverState *chr;
2449 const char *chardev;
2450 const char *mode;
2451 int flags;
2452
2453 mode = qemu_opt_get(opts, "mode");
2454 if (mode == NULL) {
2455 mode = "readline";
2456 }
2457 if (strcmp(mode, "readline") == 0) {
2458 flags = MONITOR_USE_READLINE;
2459 } else if (strcmp(mode, "control") == 0) {
2460 flags = MONITOR_USE_CONTROL;
2461 } else {
2462 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2463 exit(1);
2464 }
2465
2466 if (qemu_opt_get_bool(opts, "pretty", 0))
2467 flags |= MONITOR_USE_PRETTY;
2468
2469 if (qemu_opt_get_bool(opts, "default", 0))
2470 flags |= MONITOR_IS_DEFAULT;
2471
2472 chardev = qemu_opt_get(opts, "chardev");
2473 chr = qemu_chr_find(chardev);
2474 if (chr == NULL) {
2475 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2476 exit(1);
2477 }
2478
2479 qemu_chr_fe_claim_no_fail(chr);
2480 monitor_init(chr, flags);
2481 return 0;
2482 }
2483
2484 static void monitor_parse(const char *optarg, const char *mode)
2485 {
2486 static int monitor_device_index = 0;
2487 QemuOpts *opts;
2488 const char *p;
2489 char label[32];
2490 int def = 0;
2491
2492 if (strstart(optarg, "chardev:", &p)) {
2493 snprintf(label, sizeof(label), "%s", p);
2494 } else {
2495 snprintf(label, sizeof(label), "compat_monitor%d",
2496 monitor_device_index);
2497 if (monitor_device_index == 0) {
2498 def = 1;
2499 }
2500 opts = qemu_chr_parse_compat(label, optarg);
2501 if (!opts) {
2502 fprintf(stderr, "parse error: %s\n", optarg);
2503 exit(1);
2504 }
2505 }
2506
2507 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2508 if (!opts) {
2509 fprintf(stderr, "duplicate chardev: %s\n", label);
2510 exit(1);
2511 }
2512 qemu_opt_set(opts, "mode", mode);
2513 qemu_opt_set(opts, "chardev", label);
2514 if (def)
2515 qemu_opt_set(opts, "default", "on");
2516 monitor_device_index++;
2517 }
2518
2519 struct device_config {
2520 enum {
2521 DEV_USB, /* -usbdevice */
2522 DEV_BT, /* -bt */
2523 DEV_SERIAL, /* -serial */
2524 DEV_PARALLEL, /* -parallel */
2525 DEV_VIRTCON, /* -virtioconsole */
2526 DEV_DEBUGCON, /* -debugcon */
2527 DEV_GDB, /* -gdb, -s */
2528 DEV_SCLP, /* s390 sclp */
2529 } type;
2530 const char *cmdline;
2531 Location loc;
2532 QTAILQ_ENTRY(device_config) next;
2533 };
2534
2535 static QTAILQ_HEAD(, device_config) device_configs =
2536 QTAILQ_HEAD_INITIALIZER(device_configs);
2537
2538 static void add_device_config(int type, const char *cmdline)
2539 {
2540 struct device_config *conf;
2541
2542 conf = g_malloc0(sizeof(*conf));
2543 conf->type = type;
2544 conf->cmdline = cmdline;
2545 loc_save(&conf->loc);
2546 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2547 }
2548
2549 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2550 {
2551 struct device_config *conf;
2552 int rc;
2553
2554 QTAILQ_FOREACH(conf, &device_configs, next) {
2555 if (conf->type != type)
2556 continue;
2557 loc_push_restore(&conf->loc);
2558 rc = func(conf->cmdline);
2559 loc_pop(&conf->loc);
2560 if (0 != rc)
2561 return rc;
2562 }
2563 return 0;
2564 }
2565
2566 static int serial_parse(const char *devname)
2567 {
2568 static int index = 0;
2569 char label[32];
2570
2571 if (strcmp(devname, "none") == 0)
2572 return 0;
2573 if (index == MAX_SERIAL_PORTS) {
2574 fprintf(stderr, "qemu: too many serial ports\n");
2575 exit(1);
2576 }
2577 snprintf(label, sizeof(label), "serial%d", index);
2578 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2579 if (!serial_hds[index]) {
2580 fprintf(stderr, "qemu: could not connect serial device"
2581 " to character backend '%s'\n", devname);
2582 return -1;
2583 }
2584 index++;
2585 return 0;
2586 }
2587
2588 static int parallel_parse(const char *devname)
2589 {
2590 static int index = 0;
2591 char label[32];
2592
2593 if (strcmp(devname, "none") == 0)
2594 return 0;
2595 if (index == MAX_PARALLEL_PORTS) {
2596 fprintf(stderr, "qemu: too many parallel ports\n");
2597 exit(1);
2598 }
2599 snprintf(label, sizeof(label), "parallel%d", index);
2600 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2601 if (!parallel_hds[index]) {
2602 fprintf(stderr, "qemu: could not connect parallel device"
2603 " to character backend '%s'\n", devname);
2604 return -1;
2605 }
2606 index++;
2607 return 0;
2608 }
2609
2610 static int virtcon_parse(const char *devname)
2611 {
2612 QemuOptsList *device = qemu_find_opts("device");
2613 static int index = 0;
2614 char label[32];
2615 QemuOpts *bus_opts, *dev_opts;
2616
2617 if (strcmp(devname, "none") == 0)
2618 return 0;
2619 if (index == MAX_VIRTIO_CONSOLES) {
2620 fprintf(stderr, "qemu: too many virtio consoles\n");
2621 exit(1);
2622 }
2623
2624 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2625 if (arch_type == QEMU_ARCH_S390X) {
2626 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2627 } else {
2628 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2629 }
2630
2631 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2632 qemu_opt_set(dev_opts, "driver", "virtconsole");
2633
2634 snprintf(label, sizeof(label), "virtcon%d", index);
2635 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2636 if (!virtcon_hds[index]) {
2637 fprintf(stderr, "qemu: could not connect virtio console"
2638 " to character backend '%s'\n", devname);
2639 return -1;
2640 }
2641 qemu_opt_set(dev_opts, "chardev", label);
2642
2643 index++;
2644 return 0;
2645 }
2646
2647 static int sclp_parse(const char *devname)
2648 {
2649 QemuOptsList *device = qemu_find_opts("device");
2650 static int index = 0;
2651 char label[32];
2652 QemuOpts *dev_opts;
2653
2654 if (strcmp(devname, "none") == 0) {
2655 return 0;
2656 }
2657 if (index == MAX_SCLP_CONSOLES) {
2658 fprintf(stderr, "qemu: too many sclp consoles\n");
2659 exit(1);
2660 }
2661
2662 assert(arch_type == QEMU_ARCH_S390X);
2663
2664 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2665 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2666
2667 snprintf(label, sizeof(label), "sclpcon%d", index);
2668 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2669 if (!sclp_hds[index]) {
2670 fprintf(stderr, "qemu: could not connect sclp console"
2671 " to character backend '%s'\n", devname);
2672 return -1;
2673 }
2674 qemu_opt_set(dev_opts, "chardev", label);
2675
2676 index++;
2677 return 0;
2678 }
2679
2680 static int debugcon_parse(const char *devname)
2681 {
2682 QemuOpts *opts;
2683
2684 if (!qemu_chr_new("debugcon", devname, NULL)) {
2685 exit(1);
2686 }
2687 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2688 if (!opts) {
2689 fprintf(stderr, "qemu: already have a debugcon device\n");
2690 exit(1);
2691 }
2692 qemu_opt_set(opts, "driver", "isa-debugcon");
2693 qemu_opt_set(opts, "chardev", "debugcon");
2694 return 0;
2695 }
2696
2697 static MachineClass *machine_parse(const char *name)
2698 {
2699 MachineClass *mc = NULL;
2700 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2701
2702 if (name) {
2703 mc = find_machine(name);
2704 }
2705 if (mc) {
2706 return mc;
2707 }
2708 if (name && !is_help_option(name)) {
2709 error_report("Unsupported machine type");
2710 error_printf("Use -machine help to list supported machines!\n");
2711 } else {
2712 printf("Supported machines are:\n");
2713 for (el = machines; el; el = el->next) {
2714 MachineClass *mc = el->data;
2715 QEMUMachine *m = mc->qemu_machine;
2716 if (m->alias) {
2717 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2718 }
2719 printf("%-20s %s%s\n", m->name, m->desc,
2720 m->is_default ? " (default)" : "");
2721 }
2722 }
2723
2724 g_slist_free(machines);
2725 exit(!name || !is_help_option(name));
2726 }
2727
2728 static int tcg_init(QEMUMachine *machine)
2729 {
2730 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2731 return 0;
2732 }
2733
2734 static struct {
2735 const char *opt_name;
2736 const char *name;
2737 int (*available)(void);
2738 int (*init)(QEMUMachine *);
2739 bool *allowed;
2740 } accel_list[] = {
2741 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2742 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2743 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2744 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2745 };
2746
2747 static int configure_accelerator(QEMUMachine *machine)
2748 {
2749 const char *p;
2750 char buf[10];
2751 int i, ret;
2752 bool accel_initialised = false;
2753 bool init_failed = false;
2754
2755 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2756 if (p == NULL) {
2757 /* Use the default "accelerator", tcg */
2758 p = "tcg";
2759 }
2760
2761 while (!accel_initialised && *p != '\0') {
2762 if (*p == ':') {
2763 p++;
2764 }
2765 p = get_opt_name(buf, sizeof (buf), p, ':');
2766 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2767 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2768 if (!accel_list[i].available()) {
2769 printf("%s not supported for this target\n",
2770 accel_list[i].name);
2771 break;
2772 }
2773 *(accel_list[i].allowed) = true;
2774 ret = accel_list[i].init(machine);
2775 if (ret < 0) {
2776 init_failed = true;
2777 fprintf(stderr, "failed to initialize %s: %s\n",
2778 accel_list[i].name,
2779 strerror(-ret));
2780 *(accel_list[i].allowed) = false;
2781 } else {
2782 accel_initialised = true;
2783 }
2784 break;
2785 }
2786 }
2787 if (i == ARRAY_SIZE(accel_list)) {
2788 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2789 }
2790 }
2791
2792 if (!accel_initialised) {
2793 if (!init_failed) {
2794 fprintf(stderr, "No accelerator found!\n");
2795 }
2796 exit(1);
2797 }
2798
2799 if (init_failed) {
2800 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2801 }
2802
2803 return !accel_initialised;
2804 }
2805
2806 void qemu_add_exit_notifier(Notifier *notify)
2807 {
2808 notifier_list_add(&exit_notifiers, notify);
2809 }
2810
2811 void qemu_remove_exit_notifier(Notifier *notify)
2812 {
2813 notifier_remove(notify);
2814 }
2815
2816 static void qemu_run_exit_notifiers(void)
2817 {
2818 notifier_list_notify(&exit_notifiers, NULL);
2819 }
2820
2821 void qemu_add_machine_init_done_notifier(Notifier *notify)
2822 {
2823 notifier_list_add(&machine_init_done_notifiers, notify);
2824 }
2825
2826 static void qemu_run_machine_init_done_notifiers(void)
2827 {
2828 notifier_list_notify(&machine_init_done_notifiers, NULL);
2829 }
2830
2831 static const QEMUOption *lookup_opt(int argc, char **argv,
2832 const char **poptarg, int *poptind)
2833 {
2834 const QEMUOption *popt;
2835 int optind = *poptind;
2836 char *r = argv[optind];
2837 const char *optarg;
2838
2839 loc_set_cmdline(argv, optind, 1);
2840 optind++;
2841 /* Treat --foo the same as -foo. */
2842 if (r[1] == '-')
2843 r++;
2844 popt = qemu_options;
2845 for(;;) {
2846 if (!popt->name) {
2847 error_report("invalid option");
2848 exit(1);
2849 }
2850 if (!strcmp(popt->name, r + 1))
2851 break;
2852 popt++;
2853 }
2854 if (popt->flags & HAS_ARG) {
2855 if (optind >= argc) {
2856 error_report("requires an argument");
2857 exit(1);
2858 }
2859 optarg = argv[optind++];
2860 loc_set_cmdline(argv, optind - 2, 2);
2861 } else {
2862 optarg = NULL;
2863 }
2864
2865 *poptarg = optarg;
2866 *poptind = optind;
2867
2868 return popt;
2869 }
2870
2871 static gpointer malloc_and_trace(gsize n_bytes)
2872 {
2873 void *ptr = malloc(n_bytes);
2874 trace_g_malloc(n_bytes, ptr);
2875 return ptr;
2876 }
2877
2878 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2879 {
2880 void *ptr = realloc(mem, n_bytes);
2881 trace_g_realloc(mem, n_bytes, ptr);
2882 return ptr;
2883 }
2884
2885 static void free_and_trace(gpointer mem)
2886 {
2887 trace_g_free(mem);
2888 free(mem);
2889 }
2890
2891 static int object_set_property(const char *name, const char *value, void *opaque)
2892 {
2893 Object *obj = OBJECT(opaque);
2894 StringInputVisitor *siv;
2895 Error *local_err = NULL;
2896
2897 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2898 return 0;
2899 }
2900
2901 siv = string_input_visitor_new(value);
2902 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2903 string_input_visitor_cleanup(siv);
2904
2905 if (local_err) {
2906 qerror_report_err(local_err);
2907 error_free(local_err);
2908 return -1;
2909 }
2910
2911 return 0;
2912 }
2913
2914 static int object_create(QemuOpts *opts, void *opaque)
2915 {
2916 const char *type = qemu_opt_get(opts, "qom-type");
2917 const char *id = qemu_opts_id(opts);
2918 Error *local_err = NULL;
2919 Object *obj;
2920
2921 g_assert(type != NULL);
2922
2923 if (id == NULL) {
2924 qerror_report(QERR_MISSING_PARAMETER, "id");
2925 return -1;
2926 }
2927
2928 obj = object_new(type);
2929 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2930 object_unref(obj);
2931 return -1;
2932 }
2933
2934 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2935 error_setg(&local_err, "object '%s' isn't supported by -object",
2936 id);
2937 goto out;
2938 }
2939
2940 user_creatable_complete(obj, &local_err);
2941 if (local_err) {
2942 goto out;
2943 }
2944
2945 object_property_add_child(container_get(object_get_root(), "/objects"),
2946 id, obj, &local_err);
2947
2948 out:
2949 object_unref(obj);
2950 if (local_err) {
2951 qerror_report_err(local_err);
2952 error_free(local_err);
2953 return -1;
2954 }
2955 return 0;
2956 }
2957
2958 int main(int argc, char **argv, char **envp)
2959 {
2960 int i;
2961 int snapshot, linux_boot;
2962 const char *icount_option = NULL;
2963 const char *initrd_filename;
2964 const char *kernel_filename, *kernel_cmdline;
2965 const char *boot_order;
2966 DisplayState *ds;
2967 int cyls, heads, secs, translation;
2968 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2969 QemuOptsList *olist;
2970 int optind;
2971 const char *optarg;
2972 const char *loadvm = NULL;
2973 MachineClass *machine_class;
2974 QEMUMachine *machine;
2975 const char *cpu_model;
2976 const char *vga_model = NULL;
2977 const char *qtest_chrdev = NULL;
2978 const char *qtest_log = NULL;
2979 const char *pid_file = NULL;
2980 const char *incoming = NULL;
2981 #ifdef CONFIG_VNC
2982 int show_vnc_port = 0;
2983 #endif
2984 bool defconfig = true;
2985 bool userconfig = true;
2986 const char *log_mask = NULL;
2987 const char *log_file = NULL;
2988 GMemVTable mem_trace = {
2989 .malloc = malloc_and_trace,
2990 .realloc = realloc_and_trace,
2991 .free = free_and_trace,
2992 };
2993 const char *trace_events = NULL;
2994 const char *trace_file = NULL;
2995 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2996 1024 * 1024;
2997
2998 atexit(qemu_run_exit_notifiers);
2999 error_set_progname(argv[0]);
3000 qemu_init_exec_dir(argv[0]);
3001
3002 g_mem_set_vtable(&mem_trace);
3003
3004 module_call_init(MODULE_INIT_QOM);
3005
3006 qemu_add_opts(&qemu_drive_opts);
3007 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3008 qemu_add_drive_opts(&qemu_common_drive_opts);
3009 qemu_add_drive_opts(&qemu_drive_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_net_opts);
3014 qemu_add_opts(&qemu_rtc_opts);
3015 qemu_add_opts(&qemu_global_opts);
3016 qemu_add_opts(&qemu_mon_opts);
3017 qemu_add_opts(&qemu_trace_opts);
3018 qemu_add_opts(&qemu_option_rom_opts);
3019 qemu_add_opts(&qemu_machine_opts);
3020 qemu_add_opts(&qemu_mem_opts);
3021 qemu_add_opts(&qemu_smp_opts);
3022 qemu_add_opts(&qemu_boot_opts);
3023 qemu_add_opts(&qemu_sandbox_opts);
3024 qemu_add_opts(&qemu_add_fd_opts);
3025 qemu_add_opts(&qemu_object_opts);
3026 qemu_add_opts(&qemu_tpmdev_opts);
3027 qemu_add_opts(&qemu_realtime_opts);
3028 qemu_add_opts(&qemu_msg_opts);
3029 qemu_add_opts(&qemu_name_opts);
3030
3031 runstate_init();
3032
3033 init_clocks();
3034 rtc_clock = QEMU_CLOCK_HOST;
3035
3036 qemu_init_auxval(envp);
3037 qemu_cache_utils_init();
3038
3039 QLIST_INIT (&vm_change_state_head);
3040 os_setup_early_signal_handling();
3041
3042 module_call_init(MODULE_INIT_MACHINE);
3043 machine_class = find_default_machine();
3044 cpu_model = NULL;
3045 ram_size = default_ram_size;
3046 snapshot = 0;
3047 cyls = heads = secs = 0;
3048 translation = BIOS_ATA_TRANSLATION_AUTO;
3049
3050 for (i = 0; i < MAX_NODES; i++) {
3051 node_mem[i] = 0;
3052 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3053 }
3054
3055 nb_numa_nodes = 0;
3056 nb_nics = 0;
3057
3058 bdrv_init_with_whitelist();
3059
3060 autostart = 1;
3061
3062 /* first pass of option parsing */
3063 optind = 1;
3064 while (optind < argc) {
3065 if (argv[optind][0] != '-') {
3066 /* disk image */
3067 optind++;
3068 } else {
3069 const QEMUOption *popt;
3070
3071 popt = lookup_opt(argc, argv, &optarg, &optind);
3072 switch (popt->index) {
3073 case QEMU_OPTION_nodefconfig:
3074 defconfig = false;
3075 break;
3076 case QEMU_OPTION_nouserconfig:
3077 userconfig = false;
3078 break;
3079 }
3080 }
3081 }
3082
3083 if (defconfig) {
3084 int ret;
3085 ret = qemu_read_default_config_files(userconfig);
3086 if (ret < 0) {
3087 exit(1);
3088 }
3089 }
3090
3091 /* second pass of option parsing */
3092 optind = 1;
3093 for(;;) {
3094 if (optind >= argc)
3095 break;
3096 if (argv[optind][0] != '-') {
3097 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3098 } else {
3099 const QEMUOption *popt;
3100
3101 popt = lookup_opt(argc, argv, &optarg, &optind);
3102 if (!(popt->arch_mask & arch_type)) {
3103 printf("Option %s not supported for this target\n", popt->name);
3104 exit(1);
3105 }
3106 switch(popt->index) {
3107 case QEMU_OPTION_M:
3108 machine_class = machine_parse(optarg);
3109 break;
3110 case QEMU_OPTION_no_kvm_irqchip: {
3111 olist = qemu_find_opts("machine");
3112 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3113 break;
3114 }
3115 case QEMU_OPTION_cpu:
3116 /* hw initialization will check this */
3117 cpu_model = optarg;
3118 break;
3119 case QEMU_OPTION_hda:
3120 {
3121 char buf[256];
3122 if (cyls == 0)
3123 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3124 else
3125 snprintf(buf, sizeof(buf),
3126 "%s,cyls=%d,heads=%d,secs=%d%s",
3127 HD_OPTS , cyls, heads, secs,
3128 translation == BIOS_ATA_TRANSLATION_LBA ?
3129 ",trans=lba" :
3130 translation == BIOS_ATA_TRANSLATION_NONE ?
3131 ",trans=none" : "");
3132 drive_add(IF_DEFAULT, 0, optarg, buf);
3133 break;
3134 }
3135 case QEMU_OPTION_hdb:
3136 case QEMU_OPTION_hdc:
3137 case QEMU_OPTION_hdd:
3138 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3139 HD_OPTS);
3140 break;
3141 case QEMU_OPTION_drive:
3142 if (drive_def(optarg) == NULL) {
3143 exit(1);
3144 }
3145 break;
3146 case QEMU_OPTION_set:
3147 if (qemu_set_option(optarg) != 0)
3148 exit(1);
3149 break;
3150 case QEMU_OPTION_global:
3151 if (qemu_global_option(optarg) != 0)
3152 exit(1);
3153 break;
3154 case QEMU_OPTION_mtdblock:
3155 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3156 break;
3157 case QEMU_OPTION_sd:
3158 drive_add(IF_SD, -1, optarg, SD_OPTS);
3159 break;
3160 case QEMU_OPTION_pflash:
3161 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3162 break;
3163 case QEMU_OPTION_snapshot:
3164 snapshot = 1;
3165 break;
3166 case QEMU_OPTION_hdachs:
3167 {
3168 const char *p;
3169 p = optarg;
3170 cyls = strtol(p, (char **)&p, 0);
3171 if (cyls < 1 || cyls > 16383)
3172 goto chs_fail;
3173 if (*p != ',')
3174 goto chs_fail;
3175 p++;
3176 heads = strtol(p, (char **)&p, 0);
3177 if (heads < 1 || heads > 16)
3178 goto chs_fail;
3179 if (*p != ',')
3180 goto chs_fail;
3181 p++;
3182 secs = strtol(p, (char **)&p, 0);
3183 if (secs < 1 || secs > 63)
3184 goto chs_fail;
3185 if (*p == ',') {
3186 p++;
3187 if (!strcmp(p, "large")) {
3188 translation = BIOS_ATA_TRANSLATION_LARGE;
3189 } else if (!strcmp(p, "rechs")) {
3190 translation = BIOS_ATA_TRANSLATION_RECHS;
3191 } else if (!strcmp(p, "none")) {
3192 translation = BIOS_ATA_TRANSLATION_NONE;
3193 } else if (!strcmp(p, "lba")) {
3194 translation = BIOS_ATA_TRANSLATION_LBA;
3195 } else if (!strcmp(p, "auto")) {
3196 translation = BIOS_ATA_TRANSLATION_AUTO;
3197 } else {
3198 goto chs_fail;
3199 }
3200 } else if (*p != '\0') {
3201 chs_fail:
3202 fprintf(stderr, "qemu: invalid physical CHS format\n");
3203 exit(1);
3204 }
3205 if (hda_opts != NULL) {
3206 char num[16];
3207 snprintf(num, sizeof(num), "%d", cyls);
3208 qemu_opt_set(hda_opts, "cyls", num);
3209 snprintf(num, sizeof(num), "%d", heads);
3210 qemu_opt_set(hda_opts, "heads", num);
3211 snprintf(num, sizeof(num), "%d", secs);
3212 qemu_opt_set(hda_opts, "secs", num);
3213 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3214 qemu_opt_set(hda_opts, "trans", "large");
3215 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3216 qemu_opt_set(hda_opts, "trans", "rechs");
3217 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3218 qemu_opt_set(hda_opts, "trans", "lba");
3219 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3220 qemu_opt_set(hda_opts, "trans", "none");
3221 }
3222 }
3223 }
3224 break;
3225 case QEMU_OPTION_numa:
3226 numa_add(optarg);
3227 break;
3228 case QEMU_OPTION_display:
3229 display_type = select_display(optarg);
3230 break;
3231 case QEMU_OPTION_nographic:
3232 display_type = DT_NOGRAPHIC;
3233 break;
3234 case QEMU_OPTION_curses:
3235 #ifdef CONFIG_CURSES
3236 display_type = DT_CURSES;
3237 #else
3238 fprintf(stderr, "Curses support is disabled\n");
3239 exit(1);
3240 #endif
3241 break;
3242 case QEMU_OPTION_portrait:
3243 graphic_rotate = 90;
3244 break;
3245 case QEMU_OPTION_rotate:
3246 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3247 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3248 graphic_rotate != 180 && graphic_rotate != 270) {
3249 fprintf(stderr,
3250 "qemu: only 90, 180, 270 deg rotation is available\n");
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_kernel:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3256 break;
3257 case QEMU_OPTION_initrd:
3258 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3259 break;
3260 case QEMU_OPTION_append:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3262 break;
3263 case QEMU_OPTION_dtb:
3264 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3265 break;
3266 case QEMU_OPTION_cdrom:
3267 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3268 break;
3269 case QEMU_OPTION_boot:
3270 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3271 if (!opts) {
3272 exit(1);
3273 }
3274 break;
3275 case QEMU_OPTION_fda:
3276 case QEMU_OPTION_fdb:
3277 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3278 optarg, FD_OPTS);
3279 break;
3280 case QEMU_OPTION_no_fd_bootchk:
3281 fd_bootchk = 0;
3282 break;
3283 case QEMU_OPTION_netdev:
3284 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3285 exit(1);
3286 }
3287 break;
3288 case QEMU_OPTION_net:
3289 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3290 exit(1);
3291 }
3292 break;
3293 #ifdef CONFIG_LIBISCSI
3294 case QEMU_OPTION_iscsi:
3295 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3296 if (!opts) {
3297 exit(1);
3298 }
3299 break;
3300 #endif
3301 #ifdef CONFIG_SLIRP
3302 case QEMU_OPTION_tftp:
3303 legacy_tftp_prefix = optarg;
3304 break;
3305 case QEMU_OPTION_bootp:
3306 legacy_bootp_filename = optarg;
3307 break;
3308 case QEMU_OPTION_redir:
3309 if (net_slirp_redir(optarg) < 0)
3310 exit(1);
3311 break;
3312 #endif
3313 case QEMU_OPTION_bt:
3314 add_device_config(DEV_BT, optarg);
3315 break;
3316 case QEMU_OPTION_audio_help:
3317 AUD_help ();
3318 exit (0);
3319 break;
3320 case QEMU_OPTION_soundhw:
3321 select_soundhw (optarg);
3322 break;
3323 case QEMU_OPTION_h:
3324 help(0);
3325 break;
3326 case QEMU_OPTION_version:
3327 version();
3328 exit(0);
3329 break;
3330 case QEMU_OPTION_m: {
3331 uint64_t sz;
3332 const char *mem_str;
3333
3334 opts = qemu_opts_parse(qemu_find_opts("memory"),
3335 optarg, 1);
3336 if (!opts) {
3337 exit(EXIT_FAILURE);
3338 }
3339
3340 mem_str = qemu_opt_get(opts, "size");
3341 if (!mem_str) {
3342 error_report("invalid -m option, missing 'size' option");
3343 exit(EXIT_FAILURE);
3344 }
3345 if (!*mem_str) {
3346 error_report("missing 'size' option value");
3347 exit(EXIT_FAILURE);
3348 }
3349
3350 sz = qemu_opt_get_size(opts, "size", ram_size);
3351
3352 /* Fix up legacy suffix-less format */
3353 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3354 uint64_t overflow_check = sz;
3355
3356 sz <<= 20;
3357 if ((sz >> 20) != overflow_check) {
3358 error_report("too large 'size' option value");
3359 exit(EXIT_FAILURE);
3360 }
3361 }
3362
3363 /* backward compatibility behaviour for case "-m 0" */
3364 if (sz == 0) {
3365 sz = default_ram_size;
3366 }
3367
3368 sz = QEMU_ALIGN_UP(sz, 8192);
3369 ram_size = sz;
3370 if (ram_size != sz) {
3371 error_report("ram size too large");
3372 exit(EXIT_FAILURE);
3373 }
3374 break;
3375 }
3376 #ifdef CONFIG_TPM
3377 case QEMU_OPTION_tpmdev:
3378 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3379 exit(1);
3380 }
3381 break;
3382 #endif
3383 case QEMU_OPTION_mempath:
3384 mem_path = optarg;
3385 break;
3386 case QEMU_OPTION_mem_prealloc:
3387 mem_prealloc = 1;
3388 break;
3389 case QEMU_OPTION_d:
3390 log_mask = optarg;
3391 break;
3392 case QEMU_OPTION_D:
3393 log_file = optarg;
3394 break;
3395 case QEMU_OPTION_s:
3396 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3397 break;
3398 case QEMU_OPTION_gdb:
3399 add_device_config(DEV_GDB, optarg);
3400 break;
3401 case QEMU_OPTION_L:
3402 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3403 data_dir[data_dir_idx++] = optarg;
3404 }
3405 break;
3406 case QEMU_OPTION_bios:
3407 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3408 break;
3409 case QEMU_OPTION_singlestep:
3410 singlestep = 1;
3411 break;
3412 case QEMU_OPTION_S:
3413 autostart = 0;
3414 break;
3415 case QEMU_OPTION_k:
3416 keyboard_layout = optarg;
3417 break;
3418 case QEMU_OPTION_localtime:
3419 rtc_utc = 0;
3420 break;
3421 case QEMU_OPTION_vga:
3422 vga_model = optarg;
3423 default_vga = 0;
3424 break;
3425 case QEMU_OPTION_g:
3426 {
3427 const char *p;
3428 int w, h, depth;
3429 p = optarg;
3430 w = strtol(p, (char **)&p, 10);
3431 if (w <= 0) {
3432 graphic_error:
3433 fprintf(stderr, "qemu: invalid resolution or depth\n");
3434 exit(1);
3435 }
3436 if (*p != 'x')
3437 goto graphic_error;
3438 p++;
3439 h = strtol(p, (char **)&p, 10);
3440 if (h <= 0)
3441 goto graphic_error;
3442 if (*p == 'x') {
3443 p++;
3444 depth = strtol(p, (char **)&p, 10);
3445 if (depth != 8 && depth != 15 && depth != 16 &&
3446 depth != 24 && depth != 32)
3447 goto graphic_error;
3448 } else if (*p == '\0') {
3449 depth = graphic_depth;
3450 } else {
3451 goto graphic_error;
3452 }
3453
3454 graphic_width = w;
3455 graphic_height = h;
3456 graphic_depth = depth;
3457 }
3458 break;
3459 case QEMU_OPTION_echr:
3460 {
3461 char *r;
3462 term_escape_char = strtol(optarg, &r, 0);
3463 if (r == optarg)
3464 printf("Bad argument to echr\n");
3465 break;
3466 }
3467 case QEMU_OPTION_monitor:
3468 default_monitor = 0;
3469 if (strncmp(optarg, "none", 4)) {
3470 monitor_parse(optarg, "readline");
3471 }
3472 break;
3473 case QEMU_OPTION_qmp:
3474 monitor_parse(optarg, "control");
3475 default_monitor = 0;
3476 break;
3477 case QEMU_OPTION_mon:
3478 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3479 if (!opts) {
3480 exit(1);
3481 }
3482 default_monitor = 0;
3483 break;
3484 case QEMU_OPTION_chardev:
3485 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3486 if (!opts) {
3487 exit(1);
3488 }
3489 break;
3490 case QEMU_OPTION_fsdev:
3491 olist = qemu_find_opts("fsdev");
3492 if (!olist) {
3493 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3494 exit(1);
3495 }
3496 opts = qemu_opts_parse(olist, optarg, 1);
3497 if (!opts) {
3498 exit(1);
3499 }
3500 break;
3501 case QEMU_OPTION_virtfs: {
3502 QemuOpts *fsdev;
3503 QemuOpts *device;
3504 const char *writeout, *sock_fd, *socket;
3505
3506 olist = qemu_find_opts("virtfs");
3507 if (!olist) {
3508 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3509 exit(1);
3510 }
3511 opts = qemu_opts_parse(olist, optarg, 1);
3512 if (!opts) {
3513 exit(1);
3514 }
3515
3516 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3517 qemu_opt_get(opts, "mount_tag") == NULL) {
3518 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3519 exit(1);
3520 }
3521 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3522 qemu_opt_get(opts, "mount_tag"),
3523 1, NULL);
3524 if (!fsdev) {
3525 fprintf(stderr, "duplicate fsdev id: %s\n",
3526 qemu_opt_get(opts, "mount_tag"));
3527 exit(1);
3528 }
3529
3530 writeout = qemu_opt_get(opts, "writeout");
3531 if (writeout) {
3532 #ifdef CONFIG_SYNC_FILE_RANGE
3533 qemu_opt_set(fsdev, "writeout", writeout);
3534 #else
3535 fprintf(stderr, "writeout=immediate not supported on "
3536 "this platform\n");
3537 exit(1);
3538 #endif
3539 }
3540 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3541 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3542 qemu_opt_set(fsdev, "security_model",
3543 qemu_opt_get(opts, "security_model"));
3544 socket = qemu_opt_get(opts, "socket");
3545 if (socket) {
3546 qemu_opt_set(fsdev, "socket", socket);
3547 }
3548 sock_fd = qemu_opt_get(opts, "sock_fd");
3549 if (sock_fd) {
3550 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3551 }
3552
3553 qemu_opt_set_bool(fsdev, "readonly",
3554 qemu_opt_get_bool(opts, "readonly", 0));
3555 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3556 &error_abort);
3557 qemu_opt_set(device, "driver", "virtio-9p-pci");
3558 qemu_opt_set(device, "fsdev",
3559 qemu_opt_get(opts, "mount_tag"));
3560 qemu_opt_set(device, "mount_tag",
3561 qemu_opt_get(opts, "mount_tag"));
3562 break;
3563 }
3564 case QEMU_OPTION_virtfs_synth: {
3565 QemuOpts *fsdev;
3566 QemuOpts *device;
3567
3568 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3569 1, NULL);
3570 if (!fsdev) {
3571 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3572 exit(1);
3573 }
3574 qemu_opt_set(fsdev, "fsdriver", "synth");
3575
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", "v_synth");
3580 qemu_opt_set(device, "mount_tag", "v_synth");
3581 break;
3582 }
3583 case QEMU_OPTION_serial:
3584 add_device_config(DEV_SERIAL, optarg);
3585 default_serial = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3588 }
3589 break;
3590 case QEMU_OPTION_watchdog:
3591 if (watchdog) {
3592 fprintf(stderr,
3593 "qemu: only one watchdog option may be given\n");
3594 return 1;
3595 }
3596 watchdog = optarg;
3597 break;
3598 case QEMU_OPTION_watchdog_action:
3599 if (select_watchdog_action(optarg) == -1) {
3600 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3601 exit(1);
3602 }
3603 break;
3604 case QEMU_OPTION_virtiocon:
3605 add_device_config(DEV_VIRTCON, optarg);
3606 default_virtcon = 0;
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_parallel:
3612 add_device_config(DEV_PARALLEL, optarg);
3613 default_parallel = 0;
3614 if (strncmp(optarg, "mon:", 4) == 0) {
3615 default_monitor = 0;
3616 }
3617 break;
3618 case QEMU_OPTION_debugcon:
3619 add_device_config(DEV_DEBUGCON, optarg);
3620 break;
3621 case QEMU_OPTION_loadvm:
3622 loadvm = optarg;
3623 break;
3624 case QEMU_OPTION_full_screen:
3625 full_screen = 1;
3626 break;
3627 case QEMU_OPTION_no_frame:
3628 no_frame = 1;
3629 break;
3630 case QEMU_OPTION_alt_grab:
3631 alt_grab = 1;
3632 break;
3633 case QEMU_OPTION_ctrl_grab:
3634 ctrl_grab = 1;
3635 break;
3636 case QEMU_OPTION_no_quit:
3637 no_quit = 1;
3638 break;
3639 case QEMU_OPTION_sdl:
3640 #ifdef CONFIG_SDL
3641 display_type = DT_SDL;
3642 break;
3643 #else
3644 fprintf(stderr, "SDL support is disabled\n");
3645 exit(1);
3646 #endif
3647 case QEMU_OPTION_pidfile:
3648 pid_file = optarg;
3649 break;
3650 case QEMU_OPTION_win2k_hack:
3651 win2k_install_hack = 1;
3652 break;
3653 case QEMU_OPTION_rtc_td_hack: {
3654 static GlobalProperty slew_lost_ticks[] = {
3655 {
3656 .driver = "mc146818rtc",
3657 .property = "lost_tick_policy",
3658 .value = "slew",
3659 },
3660 { /* end of list */ }
3661 };
3662
3663 qdev_prop_register_global_list(slew_lost_ticks);
3664 break;
3665 }
3666 case QEMU_OPTION_acpitable:
3667 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3668 if (!opts) {
3669 exit(1);
3670 }
3671 do_acpitable_option(opts);
3672 break;
3673 case QEMU_OPTION_smbios:
3674 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3675 if (!opts) {
3676 exit(1);
3677 }
3678 do_smbios_option(opts);
3679 break;
3680 case QEMU_OPTION_enable_kvm:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse(olist, "accel=kvm", 0);
3683 break;
3684 case QEMU_OPTION_machine:
3685 olist = qemu_find_opts("machine");
3686 opts = qemu_opts_parse(olist, optarg, 1);
3687 if (!opts) {
3688 exit(1);
3689 }
3690 optarg = qemu_opt_get(opts, "type");
3691 if (optarg) {
3692 machine_class = machine_parse(optarg);
3693 }
3694 break;
3695 case QEMU_OPTION_no_kvm:
3696 olist = qemu_find_opts("machine");
3697 qemu_opts_parse(olist, "accel=tcg", 0);
3698 break;
3699 case QEMU_OPTION_no_kvm_pit: {
3700 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3701 "separately.\n");
3702 break;
3703 }
3704 case QEMU_OPTION_no_kvm_pit_reinjection: {
3705 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3706 {
3707 .driver = "kvm-pit",
3708 .property = "lost_tick_policy",
3709 .value = "discard",
3710 },
3711 { /* end of list */ }
3712 };
3713
3714 fprintf(stderr, "Warning: option deprecated, use "
3715 "lost_tick_policy property of kvm-pit instead.\n");
3716 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3717 break;
3718 }
3719 case QEMU_OPTION_usb:
3720 olist = qemu_find_opts("machine");
3721 qemu_opts_parse(olist, "usb=on", 0);
3722 break;
3723 case QEMU_OPTION_usbdevice:
3724 olist = qemu_find_opts("machine");
3725 qemu_opts_parse(olist, "usb=on", 0);
3726 add_device_config(DEV_USB, optarg);
3727 break;
3728 case QEMU_OPTION_device:
3729 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3730 exit(1);
3731 }
3732 break;
3733 case QEMU_OPTION_smp:
3734 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3735 exit(1);
3736 }
3737 break;
3738 case QEMU_OPTION_vnc:
3739 #ifdef CONFIG_VNC
3740 display_remote++;
3741 vnc_display = optarg;
3742 #else
3743 fprintf(stderr, "VNC support is disabled\n");
3744 exit(1);
3745 #endif
3746 break;
3747 case QEMU_OPTION_no_acpi:
3748 acpi_enabled = 0;
3749 break;
3750 case QEMU_OPTION_no_hpet:
3751 no_hpet = 1;
3752 break;
3753 case QEMU_OPTION_balloon:
3754 if (balloon_parse(optarg) < 0) {
3755 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3756 exit(1);
3757 }
3758 break;
3759 case QEMU_OPTION_no_reboot:
3760 no_reboot = 1;
3761 break;
3762 case QEMU_OPTION_no_shutdown:
3763 no_shutdown = 1;
3764 break;
3765 case QEMU_OPTION_show_cursor:
3766 cursor_hide = 0;
3767 break;
3768 case QEMU_OPTION_uuid:
3769 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3770 fprintf(stderr, "Fail to parse UUID string."
3771 " Wrong format.\n");
3772 exit(1);
3773 }
3774 qemu_uuid_set = true;
3775 break;
3776 case QEMU_OPTION_option_rom:
3777 if (nb_option_roms >= MAX_OPTION_ROMS) {
3778 fprintf(stderr, "Too many option ROMs\n");
3779 exit(1);
3780 }
3781 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3782 if (!opts) {
3783 exit(1);
3784 }
3785 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3786 option_rom[nb_option_roms].bootindex =
3787 qemu_opt_get_number(opts, "bootindex", -1);
3788 if (!option_rom[nb_option_roms].name) {
3789 fprintf(stderr, "Option ROM file is not specified\n");
3790 exit(1);
3791 }
3792 nb_option_roms++;
3793 break;
3794 case QEMU_OPTION_semihosting:
3795 semihosting_enabled = 1;
3796 break;
3797 case QEMU_OPTION_tdf:
3798 fprintf(stderr, "Warning: user space PIT time drift fix "
3799 "is no longer supported.\n");
3800 break;
3801 case QEMU_OPTION_name:
3802 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3803 if (!opts) {
3804 exit(1);
3805 }
3806 parse_name(opts);
3807 break;
3808 case QEMU_OPTION_prom_env:
3809 if (nb_prom_envs >= MAX_PROM_ENVS) {
3810 fprintf(stderr, "Too many prom variables\n");
3811 exit(1);
3812 }
3813 prom_envs[nb_prom_envs] = optarg;
3814 nb_prom_envs++;
3815 break;
3816 case QEMU_OPTION_old_param:
3817 old_param = 1;
3818 break;
3819 case QEMU_OPTION_clock:
3820 /* Clock options no longer exist. Keep this option for
3821 * backward compatibility.
3822 */
3823 break;
3824 case QEMU_OPTION_startdate:
3825 configure_rtc_date_offset(optarg, 1);
3826 break;
3827 case QEMU_OPTION_rtc:
3828 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3829 if (!opts) {
3830 exit(1);
3831 }
3832 configure_rtc(opts);
3833 break;
3834 case QEMU_OPTION_tb_size:
3835 tcg_tb_size = strtol(optarg, NULL, 0);
3836 if (tcg_tb_size < 0) {
3837 tcg_tb_size = 0;
3838 }
3839 break;
3840 case QEMU_OPTION_icount:
3841 icount_option = optarg;
3842 break;
3843 case QEMU_OPTION_incoming:
3844 incoming = optarg;
3845 runstate_set(RUN_STATE_INMIGRATE);
3846 break;
3847 case QEMU_OPTION_nodefaults:
3848 has_defaults = 0;
3849 break;
3850 case QEMU_OPTION_xen_domid:
3851 if (!(xen_available())) {
3852 printf("Option %s not supported for this target\n", popt->name);
3853 exit(1);
3854 }
3855 xen_domid = atoi(optarg);
3856 break;
3857 case QEMU_OPTION_xen_create:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt->name);
3860 exit(1);
3861 }
3862 xen_mode = XEN_CREATE;
3863 break;
3864 case QEMU_OPTION_xen_attach:
3865 if (!(xen_available())) {
3866 printf("Option %s not supported for this target\n", popt->name);
3867 exit(1);
3868 }
3869 xen_mode = XEN_ATTACH;
3870 break;
3871 case QEMU_OPTION_trace:
3872 {
3873 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3874 if (!opts) {
3875 exit(1);
3876 }
3877 trace_events = qemu_opt_get(opts, "events");
3878 trace_file = qemu_opt_get(opts, "file");
3879 break;
3880 }
3881 case QEMU_OPTION_readconfig:
3882 {
3883 int ret = qemu_read_config_file(optarg);
3884 if (ret < 0) {
3885 fprintf(stderr, "read config %s: %s\n", optarg,
3886 strerror(-ret));
3887 exit(1);
3888 }
3889 break;
3890 }
3891 case QEMU_OPTION_spice:
3892 olist = qemu_find_opts("spice");
3893 if (!olist) {
3894 fprintf(stderr, "spice is not supported by this qemu build.\n");
3895 exit(1);
3896 }
3897 opts = qemu_opts_parse(olist, optarg, 0);
3898 if (!opts) {
3899 exit(1);
3900 }
3901 display_remote++;
3902 break;
3903 case QEMU_OPTION_writeconfig:
3904 {
3905 FILE *fp;
3906 if (strcmp(optarg, "-") == 0) {
3907 fp = stdout;
3908 } else {
3909 fp = fopen(optarg, "w");
3910 if (fp == NULL) {
3911 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3912 exit(1);
3913 }
3914 }
3915 qemu_config_write(fp);
3916 if (fp != stdout) {
3917 fclose(fp);
3918 }
3919 break;
3920 }
3921 case QEMU_OPTION_qtest:
3922 qtest_chrdev = optarg;
3923 break;
3924 case QEMU_OPTION_qtest_log:
3925 qtest_log = optarg;
3926 break;
3927 case QEMU_OPTION_sandbox:
3928 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 break;
3933 case QEMU_OPTION_add_fd:
3934 #ifndef _WIN32
3935 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 #else
3940 error_report("File descriptor passing is disabled on this "
3941 "platform");
3942 exit(1);
3943 #endif
3944 break;
3945 case QEMU_OPTION_object:
3946 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 break;
3951 case QEMU_OPTION_realtime:
3952 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3953 if (!opts) {
3954 exit(1);
3955 }
3956 configure_realtime(opts);
3957 break;
3958 case QEMU_OPTION_msg:
3959 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3960 if (!opts) {
3961 exit(1);
3962 }
3963 configure_msg(opts);
3964 break;
3965 default:
3966 os_parse_cmd_args(popt->index, optarg);
3967 }
3968 }
3969 }
3970 loc_set_none();
3971
3972 if (qemu_init_main_loop()) {
3973 fprintf(stderr, "qemu_init_main_loop failed\n");
3974 exit(1);
3975 }
3976
3977 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3978 exit(1);
3979 }
3980
3981 #ifndef _WIN32
3982 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3983 exit(1);
3984 }
3985
3986 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3987 exit(1);
3988 }
3989 #endif
3990
3991 if (machine_class == NULL) {
3992 fprintf(stderr, "No machine specified, and there is no default.\n"
3993 "Use -machine help to list supported machines!\n");
3994 exit(1);
3995 }
3996
3997 current_machine = MACHINE(object_new(object_class_get_name(
3998 OBJECT_CLASS(machine_class))));
3999 object_property_add_child(object_get_root(), "machine",
4000 OBJECT(current_machine), &error_abort);
4001
4002 machine = machine_class->qemu_machine;
4003 if (machine->hw_version) {
4004 qemu_set_version(machine->hw_version);
4005 }
4006
4007 if (qemu_opts_foreach(qemu_find_opts("object"),
4008 object_create, NULL, 0) != 0) {
4009 exit(1);
4010 }
4011
4012 /* Init CPU def lists, based on config
4013 * - Must be called after all the qemu_read_config_file() calls
4014 * - Must be called before list_cpus()
4015 * - Must be called before machine->init()
4016 */
4017 cpudef_init();
4018
4019 if (cpu_model && is_help_option(cpu_model)) {
4020 list_cpus(stdout, &fprintf, cpu_model);
4021 exit(0);
4022 }
4023
4024 /* Open the logfile at this point, if necessary. We can't open the logfile
4025 * when encountering either of the logging options (-d or -D) because the
4026 * other one may be encountered later on the command line, changing the
4027 * location or level of logging.
4028 */
4029 if (log_mask) {
4030 int mask;
4031 if (log_file) {
4032 qemu_set_log_filename(log_file);
4033 }
4034
4035 mask = qemu_str_to_log_mask(log_mask);
4036 if (!mask) {
4037 qemu_print_log_usage(stdout);
4038 exit(1);
4039 }
4040 qemu_set_log(mask);
4041 }
4042
4043 if (!is_daemonized()) {
4044 if (!trace_backend_init(trace_events, trace_file)) {
4045 exit(1);
4046 }
4047 }
4048
4049 /* If no data_dir is specified then try to find it relative to the
4050 executable path. */
4051 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4052 data_dir[data_dir_idx] = os_find_datadir();
4053 if (data_dir[data_dir_idx] != NULL) {
4054 data_dir_idx++;
4055 }
4056 }
4057 /* If all else fails use the install path specified when building. */
4058 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4059 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4060 }
4061
4062 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4063
4064 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
4065 if (smp_cpus > machine->max_cpus) {
4066 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4067 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
4068 machine->max_cpus);
4069 exit(1);
4070 }
4071
4072 /*
4073 * Get the default machine options from the machine if it is not already
4074 * specified either by the configuration file or by the command line.
4075 */
4076 if (machine->default_machine_opts) {
4077 qemu_opts_set_defaults(qemu_find_opts("machine"),
4078 machine->default_machine_opts, 0);
4079 }
4080
4081 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4082 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4083
4084 if (!vga_model && !default_vga) {
4085 vga_interface_type = VGA_DEVICE;
4086 }
4087 if (!has_defaults || machine->no_serial) {
4088 default_serial = 0;
4089 }
4090 if (!has_defaults || machine->no_parallel) {
4091 default_parallel = 0;
4092 }
4093 if (!has_defaults || !machine->use_virtcon) {
4094 default_virtcon = 0;
4095 }
4096 if (!has_defaults || !machine->use_sclp) {
4097 default_sclp = 0;
4098 }
4099 if (!has_defaults || machine->no_floppy) {
4100 default_floppy = 0;
4101 }
4102 if (!has_defaults || machine->no_cdrom) {
4103 default_cdrom = 0;
4104 }
4105 if (!has_defaults || machine->no_sdcard) {
4106 default_sdcard = 0;
4107 }
4108 if (!has_defaults) {
4109 default_monitor = 0;
4110 default_net = 0;
4111 default_vga = 0;
4112 }
4113
4114 if (is_daemonized()) {
4115 /* According to documentation and historically, -nographic redirects
4116 * serial port, parallel port and monitor to stdio, which does not work
4117 * with -daemonize. We can redirect these to null instead, but since
4118 * -nographic is legacy, let's just error out.
4119 * We disallow -nographic only if all other ports are not redirected
4120 * explicitly, to not break existing legacy setups which uses
4121 * -nographic _and_ redirects all ports explicitly - this is valid
4122 * usage, -nographic is just a no-op in this case.
4123 */
4124 if (display_type == DT_NOGRAPHIC
4125 && (default_parallel || default_serial
4126 || default_monitor || default_virtcon)) {
4127 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4128 exit(1);
4129 }
4130 #ifdef CONFIG_CURSES
4131 if (display_type == DT_CURSES) {
4132 fprintf(stderr, "curses display can not be used with -daemonize\n");
4133 exit(1);
4134 }
4135 #endif
4136 }
4137
4138 if (display_type == DT_NOGRAPHIC) {
4139 if (default_parallel)
4140 add_device_config(DEV_PARALLEL, "null");
4141 if (default_serial && default_monitor) {
4142 add_device_config(DEV_SERIAL, "mon:stdio");
4143 } else if (default_virtcon && default_monitor) {
4144 add_device_config(DEV_VIRTCON, "mon:stdio");
4145 } else if (default_sclp && default_monitor) {
4146 add_device_config(DEV_SCLP, "mon:stdio");
4147 } else {
4148 if (default_serial)
4149 add_device_config(DEV_SERIAL, "stdio");
4150 if (default_virtcon)
4151 add_device_config(DEV_VIRTCON, "stdio");
4152 if (default_sclp) {
4153 add_device_config(DEV_SCLP, "stdio");
4154 }
4155 if (default_monitor)
4156 monitor_parse("stdio", "readline");
4157 }
4158 } else {
4159 if (default_serial)
4160 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4161 if (default_parallel)
4162 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4163 if (default_monitor)
4164 monitor_parse("vc:80Cx24C", "readline");
4165 if (default_virtcon)
4166 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4167 if (default_sclp) {
4168 add_device_config(DEV_SCLP, "vc:80Cx24C");
4169 }
4170 }
4171
4172 if (display_type == DT_DEFAULT && !display_remote) {
4173 #if defined(CONFIG_GTK)
4174 display_type = DT_GTK;
4175 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4176 display_type = DT_SDL;
4177 #elif defined(CONFIG_VNC)
4178 vnc_display = "localhost:0,to=99";
4179 show_vnc_port = 1;
4180 #else
4181 display_type = DT_NONE;
4182 #endif
4183 }
4184
4185 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4186 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4187 "for SDL, ignoring option\n");
4188 }
4189 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4190 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4191 "ignoring option\n");
4192 }
4193
4194 #if defined(CONFIG_GTK)
4195 if (display_type == DT_GTK) {
4196 early_gtk_display_init();
4197 }
4198 #endif
4199
4200 socket_init();
4201
4202 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4203 exit(1);
4204 #ifdef CONFIG_VIRTFS
4205 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4206 exit(1);
4207 }
4208 #endif
4209
4210 os_daemonize();
4211
4212 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4213 os_pidfile_error();
4214 exit(1);
4215 }
4216
4217 /* store value for the future use */
4218 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4219
4220 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4221 != 0) {
4222 exit(0);
4223 }
4224
4225 configure_accelerator(machine);
4226
4227 if (qtest_chrdev) {
4228 Error *local_err = NULL;
4229 qtest_init(qtest_chrdev, qtest_log, &local_err);
4230 if (local_err) {
4231 error_report("%s", error_get_pretty(local_err));
4232 error_free(local_err);
4233 exit(1);
4234 }
4235 }
4236
4237 machine_opts = qemu_get_machine_opts();
4238 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4239 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4240 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4241 bios_name = qemu_opt_get(machine_opts, "firmware");
4242
4243 boot_order = machine->default_boot_order;
4244 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4245 if (opts) {
4246 char *normal_boot_order;
4247 const char *order, *once;
4248
4249 order = qemu_opt_get(opts, "order");
4250 if (order) {
4251 validate_bootdevices(order);
4252 boot_order = order;
4253 }
4254
4255 once = qemu_opt_get(opts, "once");
4256 if (once) {
4257 validate_bootdevices(once);
4258 normal_boot_order = g_strdup(boot_order);
4259 boot_order = once;
4260 qemu_register_reset(restore_boot_order, normal_boot_order);
4261 }
4262
4263 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4264 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4265 }
4266
4267 if (!kernel_cmdline) {
4268 kernel_cmdline = "";
4269 }
4270
4271 linux_boot = (kernel_filename != NULL);
4272
4273 if (!linux_boot && *kernel_cmdline != '\0') {
4274 fprintf(stderr, "-append only allowed with -kernel option\n");
4275 exit(1);
4276 }
4277
4278 if (!linux_boot && initrd_filename != NULL) {
4279 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4280 exit(1);
4281 }
4282
4283 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4284 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4285 exit(1);
4286 }
4287
4288 os_set_line_buffering();
4289
4290 qemu_init_cpu_loop();
4291 qemu_mutex_lock_iothread();
4292
4293 #ifdef CONFIG_SPICE
4294 /* spice needs the timers to be initialized by this point */
4295 qemu_spice_init();
4296 #endif
4297
4298 if (icount_option && (kvm_enabled() || xen_enabled())) {
4299 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4300 exit(1);
4301 }
4302 configure_icount(icount_option);
4303
4304 /* clean up network at qemu process termination */
4305 atexit(&net_cleanup);
4306
4307 if (net_init_clients() < 0) {
4308 exit(1);
4309 }
4310
4311 #ifdef CONFIG_TPM
4312 if (tpm_init() < 0) {
4313 exit(1);
4314 }
4315 #endif
4316
4317 /* init the bluetooth world */
4318 if (foreach_device_config(DEV_BT, bt_parse))
4319 exit(1);
4320
4321 if (!xen_enabled()) {
4322 /* On 32-bit hosts, QEMU is limited by virtual address space */
4323 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4324 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4325 exit(1);
4326 }
4327 }
4328
4329 cpu_exec_init_all();
4330
4331 blk_mig_init();
4332
4333 /* open the virtual block devices */
4334 if (snapshot)
4335 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4336 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4337 &machine->block_default_type, 1) != 0) {
4338 exit(1);
4339 }
4340
4341 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4342 CDROM_OPTS);
4343 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4344 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4345
4346 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4347
4348 if (nb_numa_nodes > 0) {
4349 int i;
4350
4351 if (nb_numa_nodes > MAX_NODES) {
4352 nb_numa_nodes = MAX_NODES;
4353 }
4354
4355 /* If no memory size if given for any node, assume the default case
4356 * and distribute the available memory equally across all nodes
4357 */
4358 for (i = 0; i < nb_numa_nodes; i++) {
4359 if (node_mem[i] != 0)
4360 break;
4361 }
4362 if (i == nb_numa_nodes) {
4363 uint64_t usedmem = 0;
4364
4365 /* On Linux, the each node's border has to be 8MB aligned,
4366 * the final node gets the rest.
4367 */
4368 for (i = 0; i < nb_numa_nodes - 1; i++) {
4369 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4370 usedmem += node_mem[i];
4371 }
4372 node_mem[i] = ram_size - usedmem;
4373 }
4374
4375 for (i = 0; i < nb_numa_nodes; i++) {
4376 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4377 break;
4378 }
4379 }
4380 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4381 * must cope with this anyway, because there are BIOSes out there in
4382 * real machines which also use this scheme.
4383 */
4384 if (i == nb_numa_nodes) {
4385 for (i = 0; i < max_cpus; i++) {
4386 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4387 }
4388 }
4389 }
4390
4391 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4392 exit(1);
4393 }
4394
4395 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4396 exit(1);
4397 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4398 exit(1);
4399 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4400 exit(1);
4401 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4402 exit(1);
4403 }
4404 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4405 exit(1);
4406
4407 /* If no default VGA is requested, the default is "none". */
4408 if (default_vga) {
4409 if (cirrus_vga_available()) {
4410 vga_model = "cirrus";
4411 } else if (vga_available()) {
4412 vga_model = "std";
4413 }
4414 }
4415 if (vga_model) {
4416 select_vgahw(vga_model);
4417 }
4418
4419 if (watchdog) {
4420 i = select_watchdog(watchdog);
4421 if (i > 0)
4422 exit (i == 1 ? 1 : 0);
4423 }
4424
4425 if (machine->compat_props) {
4426 qdev_prop_register_global_list(machine->compat_props);
4427 }
4428 qemu_add_globals();
4429
4430 qdev_machine_init();
4431
4432 current_machine->init_args = (QEMUMachineInitArgs) {
4433 .machine = machine_class,
4434 .ram_size = ram_size,
4435 .boot_order = boot_order,
4436 .kernel_filename = kernel_filename,
4437 .kernel_cmdline = kernel_cmdline,
4438 .initrd_filename = initrd_filename,
4439 .cpu_model = cpu_model };
4440
4441 machine->init(&current_machine->init_args);
4442
4443 audio_init();
4444
4445 cpu_synchronize_all_post_init();
4446
4447 set_numa_modes();
4448
4449 /* init USB devices */
4450 if (usb_enabled(false)) {
4451 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4452 exit(1);
4453 }
4454
4455 /* init generic devices */
4456 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4457 exit(1);
4458
4459 net_check_clients();
4460
4461 ds = init_displaystate();
4462
4463 /* init local displays */
4464 switch (display_type) {
4465 case DT_NOGRAPHIC:
4466 (void)ds; /* avoid warning if no display is configured */
4467 break;
4468 #if defined(CONFIG_CURSES)
4469 case DT_CURSES:
4470 curses_display_init(ds, full_screen);
4471 break;
4472 #endif
4473 #if defined(CONFIG_SDL)
4474 case DT_SDL:
4475 sdl_display_init(ds, full_screen, no_frame);
4476 break;
4477 #elif defined(CONFIG_COCOA)
4478 case DT_SDL:
4479 cocoa_display_init(ds, full_screen);
4480 break;
4481 #endif
4482 #if defined(CONFIG_GTK)
4483 case DT_GTK:
4484 gtk_display_init(ds, full_screen, grab_on_hover);
4485 break;
4486 #endif
4487 default:
4488 break;
4489 }
4490
4491 /* must be after terminal init, SDL library changes signal handlers */
4492 os_setup_signal_handling();
4493
4494 #ifdef CONFIG_VNC
4495 /* init remote displays */
4496 if (vnc_display) {
4497 Error *local_err = NULL;
4498 vnc_display_init(ds);
4499 vnc_display_open(ds, vnc_display, &local_err);
4500 if (local_err != NULL) {
4501 error_report("Failed to start VNC server on `%s': %s",
4502 vnc_display, error_get_pretty(local_err));
4503 error_free(local_err);
4504 exit(1);
4505 }
4506
4507 if (show_vnc_port) {
4508 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4509 }
4510 }
4511 #endif
4512 #ifdef CONFIG_SPICE
4513 if (using_spice) {
4514 qemu_spice_display_init();
4515 }
4516 #endif
4517
4518 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4519 exit(1);
4520 }
4521
4522 qdev_machine_creation_done();
4523
4524 if (rom_load_all() != 0) {
4525 fprintf(stderr, "rom loading failed\n");
4526 exit(1);
4527 }
4528
4529 /* TODO: once all bus devices are qdevified, this should be done
4530 * when bus is created by qdev.c */
4531 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4532 qemu_run_machine_init_done_notifiers();
4533
4534 /* Done notifiers can load ROMs */
4535 rom_load_done();
4536
4537 qemu_system_reset(VMRESET_SILENT);
4538 if (loadvm) {
4539 if (load_vmstate(loadvm) < 0) {
4540 autostart = 0;
4541 }
4542 }
4543
4544 if (incoming) {
4545 Error *local_err = NULL;
4546 qemu_start_incoming_migration(incoming, &local_err);
4547 if (local_err) {
4548 error_report("-incoming %s: %s", incoming,
4549 error_get_pretty(local_err));
4550 error_free(local_err);
4551 exit(1);
4552 }
4553 } else if (autostart) {
4554 vm_start();
4555 }
4556
4557 os_setup_post();
4558
4559 if (is_daemonized()) {
4560 if (!trace_backend_init(trace_events, trace_file)) {
4561 exit(1);
4562 }
4563 }
4564
4565 main_loop();
4566 bdrv_close_all();
4567 pause_all_vcpus();
4568 res_free();
4569 #ifdef CONFIG_TPM
4570 tpm_cleanup();
4571 #endif
4572
4573 return 0;
4574 }
QEMU modified to work with kvm