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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
[qemu/rayw.git] / vl.c
blob59ce0636015b4a1b1d0cde26ab72164fba352058
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 #include <zlib.h>
31 #include "qemu/bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.h"
142 #include "sysemu/dma.h"
143 #include "audio/audio.h"
144 #include "migration/migration.h"
145 #include "sysemu/kvm.h"
146 #include "qapi/qmp/qjson.h"
147 #include "qemu/option.h"
148 #include "qemu/config-file.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "qemu/main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "sysemu/qtest.h"
156
157 #include "disas/disas.h"
158
159 #include "qemu/sockets.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu/queue.h"
166 #include "sysemu/cpus.h"
167 #include "sysemu/arch_init.h"
168 #include "qemu/osdep.h"
169
170 #include "ui/qemu-spice.h"
171 #include "qapi/string-input-visitor.h"
172
173 //#define DEBUG_NET
174 //#define DEBUG_SLIRP
175
176 #define DEFAULT_RAM_SIZE 128
177
178 #define MAX_VIRTIO_CONSOLES 1
179
180 static const char *data_dir;
181 const char *bios_name = NULL;
182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
183 DisplayType display_type = DT_DEFAULT;
184 static int display_remote;
185 const char* keyboard_layout = NULL;
186 ram_addr_t ram_size;
187 const char *mem_path = NULL;
188 #ifdef MAP_POPULATE
189 int mem_prealloc = 0; /* force preallocation of physical target memory */
190 #endif
191 int nb_nics;
192 NICInfo nd_table[MAX_NICS];
193 int autostart;
194 static int rtc_utc = 1;
195 static int rtc_date_offset = -1; /* -1 means no change */
196 QEMUClock *rtc_clock;
197 int vga_interface_type = VGA_NONE;
198 static int full_screen = 0;
199 #ifdef CONFIG_SDL
200 static int no_frame = 0;
201 #endif
202 int no_quit = 0;
203 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
204 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
205 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
206 int win2k_install_hack = 0;
207 int singlestep = 0;
208 int smp_cpus = 1;
209 int max_cpus = 0;
210 int smp_cores = 1;
211 int smp_threads = 1;
212 #ifdef CONFIG_VNC
213 const char *vnc_display;
214 #endif
215 int acpi_enabled = 1;
216 int no_hpet = 0;
217 int fd_bootchk = 1;
218 static int no_reboot;
219 int no_shutdown = 0;
220 int cursor_hide = 1;
221 int graphic_rotate = 0;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int nb_option_roms;
225 int semihosting_enabled = 0;
226 int old_param = 0;
227 const char *qemu_name;
228 int alt_grab = 0;
229 int ctrl_grab = 0;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
232 int boot_menu;
233 uint8_t *boot_splash_filedata;
234 int boot_splash_filedata_size;
235 uint8_t qemu_extra_params_fw[2];
236
237 typedef struct FWBootEntry FWBootEntry;
238
239 struct FWBootEntry {
240 QTAILQ_ENTRY(FWBootEntry) link;
241 int32_t bootindex;
242 DeviceState *dev;
243 char *suffix;
244 };
245
246 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
247 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
248
249 int nb_numa_nodes;
250 uint64_t node_mem[MAX_NODES];
251 unsigned long *node_cpumask[MAX_NODES];
252
253 uint8_t qemu_uuid[16];
254
255 static QEMUBootSetHandler *boot_set_handler;
256 static void *boot_set_opaque;
257
258 static NotifierList exit_notifiers =
259 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
260
261 static NotifierList machine_init_done_notifiers =
262 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
263
264 static int tcg_allowed = 1;
265 int kvm_allowed = 0;
266 int xen_allowed = 0;
267 uint32_t xen_domid;
268 enum xen_mode xen_mode = XEN_EMULATE;
269 static int tcg_tb_size;
270
271 static int default_serial = 1;
272 static int default_parallel = 1;
273 static int default_virtcon = 1;
274 static int default_monitor = 1;
275 static int default_floppy = 1;
276 static int default_cdrom = 1;
277 static int default_sdcard = 1;
278 static int default_vga = 1;
279
280 static struct {
281 const char *driver;
282 int *flag;
283 } default_list[] = {
284 { .driver = "isa-serial", .flag = &default_serial },
285 { .driver = "isa-parallel", .flag = &default_parallel },
286 { .driver = "isa-fdc", .flag = &default_floppy },
287 { .driver = "ide-cd", .flag = &default_cdrom },
288 { .driver = "ide-hd", .flag = &default_cdrom },
289 { .driver = "ide-drive", .flag = &default_cdrom },
290 { .driver = "scsi-cd", .flag = &default_cdrom },
291 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
292 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
293 { .driver = "virtio-serial", .flag = &default_virtcon },
294 { .driver = "VGA", .flag = &default_vga },
295 { .driver = "isa-vga", .flag = &default_vga },
296 { .driver = "cirrus-vga", .flag = &default_vga },
297 { .driver = "isa-cirrus-vga", .flag = &default_vga },
298 { .driver = "vmware-svga", .flag = &default_vga },
299 { .driver = "qxl-vga", .flag = &default_vga },
300 };
301
302 static QemuOptsList qemu_rtc_opts = {
303 .name = "rtc",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
305 .desc = {
306 {
307 .name = "base",
308 .type = QEMU_OPT_STRING,
309 },{
310 .name = "clock",
311 .type = QEMU_OPT_STRING,
312 },{
313 .name = "driftfix",
314 .type = QEMU_OPT_STRING,
315 },
316 { /* end of list */ }
317 },
318 };
319
320 static QemuOptsList qemu_sandbox_opts = {
321 .name = "sandbox",
322 .implied_opt_name = "enable",
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
324 .desc = {
325 {
326 .name = "enable",
327 .type = QEMU_OPT_BOOL,
328 },
329 { /* end of list */ }
330 },
331 };
332
333 static QemuOptsList qemu_trace_opts = {
334 .name = "trace",
335 .implied_opt_name = "trace",
336 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
337 .desc = {
338 {
339 .name = "events",
340 .type = QEMU_OPT_STRING,
341 },{
342 .name = "file",
343 .type = QEMU_OPT_STRING,
344 },
345 { /* end of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_option_rom_opts = {
350 .name = "option-rom",
351 .implied_opt_name = "romfile",
352 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
353 .desc = {
354 {
355 .name = "bootindex",
356 .type = QEMU_OPT_NUMBER,
357 }, {
358 .name = "romfile",
359 .type = QEMU_OPT_STRING,
360 },
361 { /* end of list */ }
362 },
363 };
364
365 static QemuOptsList qemu_machine_opts = {
366 .name = "machine",
367 .implied_opt_name = "type",
368 .merge_lists = true,
369 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
370 .desc = {
371 {
372 .name = "type",
373 .type = QEMU_OPT_STRING,
374 .help = "emulated machine"
375 }, {
376 .name = "accel",
377 .type = QEMU_OPT_STRING,
378 .help = "accelerator list",
379 }, {
380 .name = "kernel_irqchip",
381 .type = QEMU_OPT_BOOL,
382 .help = "use KVM in-kernel irqchip",
383 }, {
384 .name = "kvm_shadow_mem",
385 .type = QEMU_OPT_SIZE,
386 .help = "KVM shadow MMU size",
387 }, {
388 .name = "kernel",
389 .type = QEMU_OPT_STRING,
390 .help = "Linux kernel image file",
391 }, {
392 .name = "initrd",
393 .type = QEMU_OPT_STRING,
394 .help = "Linux initial ramdisk file",
395 }, {
396 .name = "append",
397 .type = QEMU_OPT_STRING,
398 .help = "Linux kernel command line",
399 }, {
400 .name = "dtb",
401 .type = QEMU_OPT_STRING,
402 .help = "Linux kernel device tree file",
403 }, {
404 .name = "dumpdtb",
405 .type = QEMU_OPT_STRING,
406 .help = "Dump current dtb to a file and quit",
407 }, {
408 .name = "phandle_start",
409 .type = QEMU_OPT_STRING,
410 .help = "The first phandle ID we may generate dynamically",
411 }, {
412 .name = "dt_compatible",
413 .type = QEMU_OPT_STRING,
414 .help = "Overrides the \"compatible\" property of the dt root node",
415 }, {
416 .name = "dump-guest-core",
417 .type = QEMU_OPT_BOOL,
418 .help = "Include guest memory in a core dump",
419 }, {
420 .name = "mem-merge",
421 .type = QEMU_OPT_BOOL,
422 .help = "enable/disable memory merge support",
423 },{
424 .name = "usb",
425 .type = QEMU_OPT_BOOL,
426 .help = "Set on/off to enable/disable usb",
427 },
428 { /* End of list */ }
429 },
430 };
431
432 static QemuOptsList qemu_boot_opts = {
433 .name = "boot-opts",
434 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
435 .desc = {
436 /* the three names below are not used now */
437 {
438 .name = "order",
439 .type = QEMU_OPT_STRING,
440 }, {
441 .name = "once",
442 .type = QEMU_OPT_STRING,
443 }, {
444 .name = "menu",
445 .type = QEMU_OPT_STRING,
446 /* following are really used */
447 }, {
448 .name = "splash",
449 .type = QEMU_OPT_STRING,
450 }, {
451 .name = "splash-time",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "reboot-timeout",
455 .type = QEMU_OPT_STRING,
456 },
457 { /*End of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_add_fd_opts = {
462 .name = "add-fd",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
464 .desc = {
465 {
466 .name = "fd",
467 .type = QEMU_OPT_NUMBER,
468 .help = "file descriptor of which a duplicate is added to fd set",
469 },{
470 .name = "set",
471 .type = QEMU_OPT_NUMBER,
472 .help = "ID of the fd set to add fd to",
473 },{
474 .name = "opaque",
475 .type = QEMU_OPT_STRING,
476 .help = "free-form string used to describe fd",
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_object_opts = {
483 .name = "object",
484 .implied_opt_name = "qom-type",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
486 .desc = {
487 { }
488 },
489 };
490
491 const char *qemu_get_vm_name(void)
492 {
493 return qemu_name;
494 }
495
496 static void res_free(void)
497 {
498 if (boot_splash_filedata != NULL) {
499 g_free(boot_splash_filedata);
500 boot_splash_filedata = NULL;
501 }
502 }
503
504 static int default_driver_check(QemuOpts *opts, void *opaque)
505 {
506 const char *driver = qemu_opt_get(opts, "driver");
507 int i;
508
509 if (!driver)
510 return 0;
511 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
512 if (strcmp(default_list[i].driver, driver) != 0)
513 continue;
514 *(default_list[i].flag) = 0;
515 }
516 return 0;
517 }
518
519 /***********************************************************/
520 /* QEMU state */
521
522 static RunState current_run_state = RUN_STATE_PRELAUNCH;
523
524 typedef struct {
525 RunState from;
526 RunState to;
527 } RunStateTransition;
528
529 static const RunStateTransition runstate_transitions_def[] = {
530 /* from -> to */
531 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
532
533 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
534 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
535
536 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
537 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
538
539 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
540 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
541
542 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
543 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
544
545 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
546 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
547
548 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
549 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
550 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
551
552 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
553 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
554
555 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
556
557 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
558 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
559 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
560 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
561 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
562 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
563 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
564 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
565 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
566
567 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
568
569 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
570 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
571
572 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
573 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
574 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
575 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
578 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_MAX, RUN_STATE_MAX },
581 };
582
583 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
584
585 bool runstate_check(RunState state)
586 {
587 return current_run_state == state;
588 }
589
590 static void runstate_init(void)
591 {
592 const RunStateTransition *p;
593
594 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
595
596 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
597 runstate_valid_transitions[p->from][p->to] = true;
598 }
599 }
600
601 /* This function will abort() on invalid state transitions */
602 void runstate_set(RunState new_state)
603 {
604 assert(new_state < RUN_STATE_MAX);
605
606 if (!runstate_valid_transitions[current_run_state][new_state]) {
607 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
608 RunState_lookup[current_run_state],
609 RunState_lookup[new_state]);
610 abort();
611 }
612
613 current_run_state = new_state;
614 }
615
616 int runstate_is_running(void)
617 {
618 return runstate_check(RUN_STATE_RUNNING);
619 }
620
621 StatusInfo *qmp_query_status(Error **errp)
622 {
623 StatusInfo *info = g_malloc0(sizeof(*info));
624
625 info->running = runstate_is_running();
626 info->singlestep = singlestep;
627 info->status = current_run_state;
628
629 return info;
630 }
631
632 /***********************************************************/
633 /* real time host monotonic timer */
634
635 /***********************************************************/
636 /* host time/date access */
637 void qemu_get_timedate(struct tm *tm, int offset)
638 {
639 time_t ti;
640
641 time(&ti);
642 ti += offset;
643 if (rtc_date_offset == -1) {
644 if (rtc_utc)
645 gmtime_r(&ti, tm);
646 else
647 localtime_r(&ti, tm);
648 } else {
649 ti -= rtc_date_offset;
650 gmtime_r(&ti, tm);
651 }
652 }
653
654 int qemu_timedate_diff(struct tm *tm)
655 {
656 time_t seconds;
657
658 if (rtc_date_offset == -1)
659 if (rtc_utc)
660 seconds = mktimegm(tm);
661 else {
662 struct tm tmp = *tm;
663 tmp.tm_isdst = -1; /* use timezone to figure it out */
664 seconds = mktime(&tmp);
665 }
666 else
667 seconds = mktimegm(tm) + rtc_date_offset;
668
669 return seconds - time(NULL);
670 }
671
672 void rtc_change_mon_event(struct tm *tm)
673 {
674 QObject *data;
675
676 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
677 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
678 qobject_decref(data);
679 }
680
681 static void configure_rtc_date_offset(const char *startdate, int legacy)
682 {
683 time_t rtc_start_date;
684 struct tm tm;
685
686 if (!strcmp(startdate, "now") && legacy) {
687 rtc_date_offset = -1;
688 } else {
689 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
690 &tm.tm_year,
691 &tm.tm_mon,
692 &tm.tm_mday,
693 &tm.tm_hour,
694 &tm.tm_min,
695 &tm.tm_sec) == 6) {
696 /* OK */
697 } else if (sscanf(startdate, "%d-%d-%d",
698 &tm.tm_year,
699 &tm.tm_mon,
700 &tm.tm_mday) == 3) {
701 tm.tm_hour = 0;
702 tm.tm_min = 0;
703 tm.tm_sec = 0;
704 } else {
705 goto date_fail;
706 }
707 tm.tm_year -= 1900;
708 tm.tm_mon--;
709 rtc_start_date = mktimegm(&tm);
710 if (rtc_start_date == -1) {
711 date_fail:
712 fprintf(stderr, "Invalid date format. Valid formats are:\n"
713 "'2006-06-17T16:01:21' or '2006-06-17'\n");
714 exit(1);
715 }
716 rtc_date_offset = time(NULL) - rtc_start_date;
717 }
718 }
719
720 static void configure_rtc(QemuOpts *opts)
721 {
722 const char *value;
723
724 value = qemu_opt_get(opts, "base");
725 if (value) {
726 if (!strcmp(value, "utc")) {
727 rtc_utc = 1;
728 } else if (!strcmp(value, "localtime")) {
729 rtc_utc = 0;
730 } else {
731 configure_rtc_date_offset(value, 0);
732 }
733 }
734 value = qemu_opt_get(opts, "clock");
735 if (value) {
736 if (!strcmp(value, "host")) {
737 rtc_clock = host_clock;
738 } else if (!strcmp(value, "rt")) {
739 rtc_clock = rt_clock;
740 } else if (!strcmp(value, "vm")) {
741 rtc_clock = vm_clock;
742 } else {
743 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
744 exit(1);
745 }
746 }
747 value = qemu_opt_get(opts, "driftfix");
748 if (value) {
749 if (!strcmp(value, "slew")) {
750 static GlobalProperty slew_lost_ticks[] = {
751 {
752 .driver = "mc146818rtc",
753 .property = "lost_tick_policy",
754 .value = "slew",
755 },
756 { /* end of list */ }
757 };
758
759 qdev_prop_register_global_list(slew_lost_ticks);
760 } else if (!strcmp(value, "none")) {
761 /* discard is default */
762 } else {
763 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
764 exit(1);
765 }
766 }
767 }
768
769 /***********************************************************/
770 /* Bluetooth support */
771 static int nb_hcis;
772 static int cur_hci;
773 static struct HCIInfo *hci_table[MAX_NICS];
774
775 static struct bt_vlan_s {
776 struct bt_scatternet_s net;
777 int id;
778 struct bt_vlan_s *next;
779 } *first_bt_vlan;
780
781 /* find or alloc a new bluetooth "VLAN" */
782 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
783 {
784 struct bt_vlan_s **pvlan, *vlan;
785 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
786 if (vlan->id == id)
787 return &vlan->net;
788 }
789 vlan = g_malloc0(sizeof(struct bt_vlan_s));
790 vlan->id = id;
791 pvlan = &first_bt_vlan;
792 while (*pvlan != NULL)
793 pvlan = &(*pvlan)->next;
794 *pvlan = vlan;
795 return &vlan->net;
796 }
797
798 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
799 {
800 }
801
802 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
803 {
804 return -ENOTSUP;
805 }
806
807 static struct HCIInfo null_hci = {
808 .cmd_send = null_hci_send,
809 .sco_send = null_hci_send,
810 .acl_send = null_hci_send,
811 .bdaddr_set = null_hci_addr_set,
812 };
813
814 struct HCIInfo *qemu_next_hci(void)
815 {
816 if (cur_hci == nb_hcis)
817 return &null_hci;
818
819 return hci_table[cur_hci++];
820 }
821
822 static struct HCIInfo *hci_init(const char *str)
823 {
824 char *endp;
825 struct bt_scatternet_s *vlan = 0;
826
827 if (!strcmp(str, "null"))
828 /* null */
829 return &null_hci;
830 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
831 /* host[:hciN] */
832 return bt_host_hci(str[4] ? str + 5 : "hci0");
833 else if (!strncmp(str, "hci", 3)) {
834 /* hci[,vlan=n] */
835 if (str[3]) {
836 if (!strncmp(str + 3, ",vlan=", 6)) {
837 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
838 if (*endp)
839 vlan = 0;
840 }
841 } else
842 vlan = qemu_find_bt_vlan(0);
843 if (vlan)
844 return bt_new_hci(vlan);
845 }
846
847 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
848
849 return 0;
850 }
851
852 static int bt_hci_parse(const char *str)
853 {
854 struct HCIInfo *hci;
855 bdaddr_t bdaddr;
856
857 if (nb_hcis >= MAX_NICS) {
858 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
859 return -1;
860 }
861
862 hci = hci_init(str);
863 if (!hci)
864 return -1;
865
866 bdaddr.b[0] = 0x52;
867 bdaddr.b[1] = 0x54;
868 bdaddr.b[2] = 0x00;
869 bdaddr.b[3] = 0x12;
870 bdaddr.b[4] = 0x34;
871 bdaddr.b[5] = 0x56 + nb_hcis;
872 hci->bdaddr_set(hci, bdaddr.b);
873
874 hci_table[nb_hcis++] = hci;
875
876 return 0;
877 }
878
879 static void bt_vhci_add(int vlan_id)
880 {
881 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
882
883 if (!vlan->slave)
884 fprintf(stderr, "qemu: warning: adding a VHCI to "
885 "an empty scatternet %i\n", vlan_id);
886
887 bt_vhci_init(bt_new_hci(vlan));
888 }
889
890 static struct bt_device_s *bt_device_add(const char *opt)
891 {
892 struct bt_scatternet_s *vlan;
893 int vlan_id = 0;
894 char *endp = strstr(opt, ",vlan=");
895 int len = (endp ? endp - opt : strlen(opt)) + 1;
896 char devname[10];
897
898 pstrcpy(devname, MIN(sizeof(devname), len), opt);
899
900 if (endp) {
901 vlan_id = strtol(endp + 6, &endp, 0);
902 if (*endp) {
903 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
904 return 0;
905 }
906 }
907
908 vlan = qemu_find_bt_vlan(vlan_id);
909
910 if (!vlan->slave)
911 fprintf(stderr, "qemu: warning: adding a slave device to "
912 "an empty scatternet %i\n", vlan_id);
913
914 if (!strcmp(devname, "keyboard"))
915 return bt_keyboard_init(vlan);
916
917 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
918 return 0;
919 }
920
921 static int bt_parse(const char *opt)
922 {
923 const char *endp, *p;
924 int vlan;
925
926 if (strstart(opt, "hci", &endp)) {
927 if (!*endp || *endp == ',') {
928 if (*endp)
929 if (!strstart(endp, ",vlan=", 0))
930 opt = endp + 1;
931
932 return bt_hci_parse(opt);
933 }
934 } else if (strstart(opt, "vhci", &endp)) {
935 if (!*endp || *endp == ',') {
936 if (*endp) {
937 if (strstart(endp, ",vlan=", &p)) {
938 vlan = strtol(p, (char **) &endp, 0);
939 if (*endp) {
940 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
941 return 1;
942 }
943 } else {
944 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
945 return 1;
946 }
947 } else
948 vlan = 0;
949
950 bt_vhci_add(vlan);
951 return 0;
952 }
953 } else if (strstart(opt, "device:", &endp))
954 return !bt_device_add(endp);
955
956 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
957 return 1;
958 }
959
960 static int parse_sandbox(QemuOpts *opts, void *opaque)
961 {
962 /* FIXME: change this to true for 1.3 */
963 if (qemu_opt_get_bool(opts, "enable", false)) {
964 #ifdef CONFIG_SECCOMP
965 if (seccomp_start() < 0) {
966 qerror_report(ERROR_CLASS_GENERIC_ERROR,
967 "failed to install seccomp syscall filter in the kernel");
968 return -1;
969 }
970 #else
971 qerror_report(ERROR_CLASS_GENERIC_ERROR,
972 "sandboxing request but seccomp is not compiled into this build");
973 return -1;
974 #endif
975 }
976
977 return 0;
978 }
979
980 /*********QEMU USB setting******/
981 bool usb_enabled(bool default_usb)
982 {
983 QemuOpts *mach_opts;
984 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
985 if (mach_opts) {
986 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
987 }
988 return default_usb;
989 }
990
991 #ifndef _WIN32
992 static int parse_add_fd(QemuOpts *opts, void *opaque)
993 {
994 int fd, dupfd, flags;
995 int64_t fdset_id;
996 const char *fd_opaque = NULL;
997
998 fd = qemu_opt_get_number(opts, "fd", -1);
999 fdset_id = qemu_opt_get_number(opts, "set", -1);
1000 fd_opaque = qemu_opt_get(opts, "opaque");
1001
1002 if (fd < 0) {
1003 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1004 "fd option is required and must be non-negative");
1005 return -1;
1006 }
1007
1008 if (fd <= STDERR_FILENO) {
1009 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1010 "fd cannot be a standard I/O stream");
1011 return -1;
1012 }
1013
1014 /*
1015 * All fds inherited across exec() necessarily have FD_CLOEXEC
1016 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1017 */
1018 flags = fcntl(fd, F_GETFD);
1019 if (flags == -1 || (flags & FD_CLOEXEC)) {
1020 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1021 "fd is not valid or already in use");
1022 return -1;
1023 }
1024
1025 if (fdset_id < 0) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1027 "set option is required and must be non-negative");
1028 return -1;
1029 }
1030
1031 #ifdef F_DUPFD_CLOEXEC
1032 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1033 #else
1034 dupfd = dup(fd);
1035 if (dupfd != -1) {
1036 qemu_set_cloexec(dupfd);
1037 }
1038 #endif
1039 if (dupfd == -1) {
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1041 "Error duplicating fd: %s", strerror(errno));
1042 return -1;
1043 }
1044
1045 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1046 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1047 fd_opaque, NULL);
1048
1049 return 0;
1050 }
1051
1052 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1053 {
1054 int fd;
1055
1056 fd = qemu_opt_get_number(opts, "fd", -1);
1057 close(fd);
1058
1059 return 0;
1060 }
1061 #endif
1062
1063 /***********************************************************/
1064 /* QEMU Block devices */
1065
1066 #define HD_OPTS "media=disk"
1067 #define CDROM_OPTS "media=cdrom"
1068 #define FD_OPTS ""
1069 #define PFLASH_OPTS ""
1070 #define MTD_OPTS ""
1071 #define SD_OPTS ""
1072
1073 static int drive_init_func(QemuOpts *opts, void *opaque)
1074 {
1075 BlockInterfaceType *block_default_type = opaque;
1076
1077 return drive_init(opts, *block_default_type) == NULL;
1078 }
1079
1080 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1081 {
1082 if (NULL == qemu_opt_get(opts, "snapshot")) {
1083 qemu_opt_set(opts, "snapshot", "on");
1084 }
1085 return 0;
1086 }
1087
1088 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1089 int index, const char *optstr)
1090 {
1091 QemuOpts *opts;
1092
1093 if (!enable || drive_get_by_index(type, index)) {
1094 return;
1095 }
1096
1097 opts = drive_add(type, index, NULL, optstr);
1098 if (snapshot) {
1099 drive_enable_snapshot(opts, NULL);
1100 }
1101 if (!drive_init(opts, type)) {
1102 exit(1);
1103 }
1104 }
1105
1106 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1107 {
1108 boot_set_handler = func;
1109 boot_set_opaque = opaque;
1110 }
1111
1112 int qemu_boot_set(const char *boot_devices)
1113 {
1114 if (!boot_set_handler) {
1115 return -EINVAL;
1116 }
1117 return boot_set_handler(boot_set_opaque, boot_devices);
1118 }
1119
1120 static void validate_bootdevices(char *devices)
1121 {
1122 /* We just do some generic consistency checks */
1123 const char *p;
1124 int bitmap = 0;
1125
1126 for (p = devices; *p != '\0'; p++) {
1127 /* Allowed boot devices are:
1128 * a-b: floppy disk drives
1129 * c-f: IDE disk drives
1130 * g-m: machine implementation dependent drives
1131 * n-p: network devices
1132 * It's up to each machine implementation to check if the given boot
1133 * devices match the actual hardware implementation and firmware
1134 * features.
1135 */
1136 if (*p < 'a' || *p > 'p') {
1137 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1138 exit(1);
1139 }
1140 if (bitmap & (1 << (*p - 'a'))) {
1141 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1142 exit(1);
1143 }
1144 bitmap |= 1 << (*p - 'a');
1145 }
1146 }
1147
1148 static void restore_boot_devices(void *opaque)
1149 {
1150 char *standard_boot_devices = opaque;
1151 static int first = 1;
1152
1153 /* Restore boot order and remove ourselves after the first boot */
1154 if (first) {
1155 first = 0;
1156 return;
1157 }
1158
1159 qemu_boot_set(standard_boot_devices);
1160
1161 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1162 g_free(standard_boot_devices);
1163 }
1164
1165 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1166 const char *suffix)
1167 {
1168 FWBootEntry *node, *i;
1169
1170 if (bootindex < 0) {
1171 return;
1172 }
1173
1174 assert(dev != NULL || suffix != NULL);
1175
1176 node = g_malloc0(sizeof(FWBootEntry));
1177 node->bootindex = bootindex;
1178 node->suffix = suffix ? g_strdup(suffix) : NULL;
1179 node->dev = dev;
1180
1181 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1182 if (i->bootindex == bootindex) {
1183 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1184 exit(1);
1185 } else if (i->bootindex < bootindex) {
1186 continue;
1187 }
1188 QTAILQ_INSERT_BEFORE(i, node, link);
1189 return;
1190 }
1191 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1192 }
1193
1194 /*
1195 * This function returns null terminated string that consist of new line
1196 * separated device paths.
1197 *
1198 * memory pointed by "size" is assigned total length of the array in bytes
1199 *
1200 */
1201 char *get_boot_devices_list(uint32_t *size)
1202 {
1203 FWBootEntry *i;
1204 uint32_t total = 0;
1205 char *list = NULL;
1206
1207 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1208 char *devpath = NULL, *bootpath;
1209 int len;
1210
1211 if (i->dev) {
1212 devpath = qdev_get_fw_dev_path(i->dev);
1213 assert(devpath);
1214 }
1215
1216 if (i->suffix && devpath) {
1217 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1218
1219 bootpath = g_malloc(bootpathlen);
1220 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1221 g_free(devpath);
1222 } else if (devpath) {
1223 bootpath = devpath;
1224 } else {
1225 assert(i->suffix);
1226 bootpath = g_strdup(i->suffix);
1227 }
1228
1229 if (total) {
1230 list[total-1] = '\n';
1231 }
1232 len = strlen(bootpath) + 1;
1233 list = g_realloc(list, total + len);
1234 memcpy(&list[total], bootpath, len);
1235 total += len;
1236 g_free(bootpath);
1237 }
1238
1239 *size = total;
1240
1241 return list;
1242 }
1243
1244 static void numa_add(const char *optarg)
1245 {
1246 char option[128];
1247 char *endptr;
1248 unsigned long long value, endvalue;
1249 int nodenr;
1250
1251 value = endvalue = 0ULL;
1252
1253 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1254 if (!strcmp(option, "node")) {
1255 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1256 nodenr = nb_numa_nodes;
1257 } else {
1258 nodenr = strtoull(option, NULL, 10);
1259 }
1260
1261 if (get_param_value(option, 128, "mem", optarg) == 0) {
1262 node_mem[nodenr] = 0;
1263 } else {
1264 int64_t sval;
1265 sval = strtosz(option, &endptr);
1266 if (sval < 0 || *endptr) {
1267 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1268 exit(1);
1269 }
1270 node_mem[nodenr] = sval;
1271 }
1272 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1273 value = strtoull(option, &endptr, 10);
1274 if (*endptr == '-') {
1275 endvalue = strtoull(endptr+1, &endptr, 10);
1276 } else {
1277 endvalue = value;
1278 }
1279
1280 if (!(endvalue < MAX_CPUMASK_BITS)) {
1281 endvalue = MAX_CPUMASK_BITS - 1;
1282 fprintf(stderr,
1283 "A max of %d CPUs are supported in a guest\n",
1284 MAX_CPUMASK_BITS);
1285 }
1286
1287 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1288 }
1289 nb_numa_nodes++;
1290 }
1291 }
1292
1293 static void smp_parse(const char *optarg)
1294 {
1295 int smp, sockets = 0, threads = 0, cores = 0;
1296 char *endptr;
1297 char option[128];
1298
1299 smp = strtoul(optarg, &endptr, 10);
1300 if (endptr != optarg) {
1301 if (*endptr == ',') {
1302 endptr++;
1303 }
1304 }
1305 if (get_param_value(option, 128, "sockets", endptr) != 0)
1306 sockets = strtoull(option, NULL, 10);
1307 if (get_param_value(option, 128, "cores", endptr) != 0)
1308 cores = strtoull(option, NULL, 10);
1309 if (get_param_value(option, 128, "threads", endptr) != 0)
1310 threads = strtoull(option, NULL, 10);
1311 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1312 max_cpus = strtoull(option, NULL, 10);
1313
1314 /* compute missing values, prefer sockets over cores over threads */
1315 if (smp == 0 || sockets == 0) {
1316 sockets = sockets > 0 ? sockets : 1;
1317 cores = cores > 0 ? cores : 1;
1318 threads = threads > 0 ? threads : 1;
1319 if (smp == 0) {
1320 smp = cores * threads * sockets;
1321 }
1322 } else {
1323 if (cores == 0) {
1324 threads = threads > 0 ? threads : 1;
1325 cores = smp / (sockets * threads);
1326 } else {
1327 threads = smp / (cores * sockets);
1328 }
1329 }
1330 smp_cpus = smp;
1331 smp_cores = cores > 0 ? cores : 1;
1332 smp_threads = threads > 0 ? threads : 1;
1333 if (max_cpus == 0)
1334 max_cpus = smp_cpus;
1335 }
1336
1337 /***********************************************************/
1338 /* USB devices */
1339
1340 static int usb_device_add(const char *devname)
1341 {
1342 const char *p;
1343 USBDevice *dev = NULL;
1344
1345 if (!usb_enabled(false)) {
1346 return -1;
1347 }
1348
1349 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1350 dev = usbdevice_create(devname);
1351 if (dev)
1352 goto done;
1353
1354 /* the other ones */
1355 #ifndef CONFIG_LINUX
1356 /* only the linux version is qdev-ified, usb-bsd still needs this */
1357 if (strstart(devname, "host:", &p)) {
1358 dev = usb_host_device_open(usb_bus_find(-1), p);
1359 } else
1360 #endif
1361 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1362 dev = usb_bt_init(usb_bus_find(-1),
1363 devname[2] ? hci_init(p)
1364 : bt_new_hci(qemu_find_bt_vlan(0)));
1365 } else {
1366 return -1;
1367 }
1368 if (!dev)
1369 return -1;
1370
1371 done:
1372 return 0;
1373 }
1374
1375 static int usb_device_del(const char *devname)
1376 {
1377 int bus_num, addr;
1378 const char *p;
1379
1380 if (strstart(devname, "host:", &p))
1381 return usb_host_device_close(p);
1382
1383 if (!usb_enabled(false)) {
1384 return -1;
1385 }
1386
1387 p = strchr(devname, '.');
1388 if (!p)
1389 return -1;
1390 bus_num = strtoul(devname, NULL, 0);
1391 addr = strtoul(p + 1, NULL, 0);
1392
1393 return usb_device_delete_addr(bus_num, addr);
1394 }
1395
1396 static int usb_parse(const char *cmdline)
1397 {
1398 int r;
1399 r = usb_device_add(cmdline);
1400 if (r < 0) {
1401 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1402 }
1403 return r;
1404 }
1405
1406 void do_usb_add(Monitor *mon, const QDict *qdict)
1407 {
1408 const char *devname = qdict_get_str(qdict, "devname");
1409 if (usb_device_add(devname) < 0) {
1410 error_report("could not add USB device '%s'", devname);
1411 }
1412 }
1413
1414 void do_usb_del(Monitor *mon, const QDict *qdict)
1415 {
1416 const char *devname = qdict_get_str(qdict, "devname");
1417 if (usb_device_del(devname) < 0) {
1418 error_report("could not delete USB device '%s'", devname);
1419 }
1420 }
1421
1422 /***********************************************************/
1423 /* PCMCIA/Cardbus */
1424
1425 static struct pcmcia_socket_entry_s {
1426 PCMCIASocket *socket;
1427 struct pcmcia_socket_entry_s *next;
1428 } *pcmcia_sockets = 0;
1429
1430 void pcmcia_socket_register(PCMCIASocket *socket)
1431 {
1432 struct pcmcia_socket_entry_s *entry;
1433
1434 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1435 entry->socket = socket;
1436 entry->next = pcmcia_sockets;
1437 pcmcia_sockets = entry;
1438 }
1439
1440 void pcmcia_socket_unregister(PCMCIASocket *socket)
1441 {
1442 struct pcmcia_socket_entry_s *entry, **ptr;
1443
1444 ptr = &pcmcia_sockets;
1445 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1446 if (entry->socket == socket) {
1447 *ptr = entry->next;
1448 g_free(entry);
1449 }
1450 }
1451
1452 void pcmcia_info(Monitor *mon)
1453 {
1454 struct pcmcia_socket_entry_s *iter;
1455
1456 if (!pcmcia_sockets)
1457 monitor_printf(mon, "No PCMCIA sockets\n");
1458
1459 for (iter = pcmcia_sockets; iter; iter = iter->next)
1460 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1461 iter->socket->attached ? iter->socket->card_string :
1462 "Empty");
1463 }
1464
1465 /***********************************************************/
1466 /* machine registration */
1467
1468 static QEMUMachine *first_machine = NULL;
1469 QEMUMachine *current_machine = NULL;
1470
1471 int qemu_register_machine(QEMUMachine *m)
1472 {
1473 QEMUMachine **pm;
1474 pm = &first_machine;
1475 while (*pm != NULL)
1476 pm = &(*pm)->next;
1477 m->next = NULL;
1478 *pm = m;
1479 return 0;
1480 }
1481
1482 static QEMUMachine *find_machine(const char *name)
1483 {
1484 QEMUMachine *m;
1485
1486 for(m = first_machine; m != NULL; m = m->next) {
1487 if (!strcmp(m->name, name))
1488 return m;
1489 if (m->alias && !strcmp(m->alias, name))
1490 return m;
1491 }
1492 return NULL;
1493 }
1494
1495 QEMUMachine *find_default_machine(void)
1496 {
1497 QEMUMachine *m;
1498
1499 for(m = first_machine; m != NULL; m = m->next) {
1500 if (m->is_default) {
1501 return m;
1502 }
1503 }
1504 return NULL;
1505 }
1506
1507 MachineInfoList *qmp_query_machines(Error **errp)
1508 {
1509 MachineInfoList *mach_list = NULL;
1510 QEMUMachine *m;
1511
1512 for (m = first_machine; m; m = m->next) {
1513 MachineInfoList *entry;
1514 MachineInfo *info;
1515
1516 info = g_malloc0(sizeof(*info));
1517 if (m->is_default) {
1518 info->has_is_default = true;
1519 info->is_default = true;
1520 }
1521
1522 if (m->alias) {
1523 info->has_alias = true;
1524 info->alias = g_strdup(m->alias);
1525 }
1526
1527 info->name = g_strdup(m->name);
1528
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1532 mach_list = entry;
1533 }
1534
1535 return mach_list;
1536 }
1537
1538 /***********************************************************/
1539 /* main execution loop */
1540
1541 static void gui_update(void *opaque)
1542 {
1543 uint64_t interval = GUI_REFRESH_INTERVAL;
1544 DisplayState *ds = opaque;
1545 DisplayChangeListener *dcl;
1546
1547 dpy_refresh(ds);
1548
1549 QLIST_FOREACH(dcl, &ds->listeners, next) {
1550 if (dcl->gui_timer_interval &&
1551 dcl->gui_timer_interval < interval)
1552 interval = dcl->gui_timer_interval;
1553 }
1554 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1555 }
1556
1557 void gui_setup_refresh(DisplayState *ds)
1558 {
1559 DisplayChangeListener *dcl;
1560 bool need_timer = false;
1561 bool have_gfx = false;
1562 bool have_text = false;
1563
1564 QLIST_FOREACH(dcl, &ds->listeners, next) {
1565 if (dcl->dpy_refresh != NULL) {
1566 need_timer = true;
1567 }
1568 if (dcl->dpy_gfx_update != NULL) {
1569 have_gfx = true;
1570 }
1571 if (dcl->dpy_text_update != NULL) {
1572 have_text = true;
1573 }
1574 }
1575
1576 if (need_timer && ds->gui_timer == NULL) {
1577 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1578 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1579 }
1580 if (!need_timer && ds->gui_timer != NULL) {
1581 qemu_del_timer(ds->gui_timer);
1582 qemu_free_timer(ds->gui_timer);
1583 ds->gui_timer = NULL;
1584 }
1585
1586 ds->have_gfx = have_gfx;
1587 ds->have_text = have_text;
1588 }
1589
1590 struct vm_change_state_entry {
1591 VMChangeStateHandler *cb;
1592 void *opaque;
1593 QLIST_ENTRY (vm_change_state_entry) entries;
1594 };
1595
1596 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1597
1598 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1599 void *opaque)
1600 {
1601 VMChangeStateEntry *e;
1602
1603 e = g_malloc0(sizeof (*e));
1604
1605 e->cb = cb;
1606 e->opaque = opaque;
1607 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1608 return e;
1609 }
1610
1611 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1612 {
1613 QLIST_REMOVE (e, entries);
1614 g_free (e);
1615 }
1616
1617 void vm_state_notify(int running, RunState state)
1618 {
1619 VMChangeStateEntry *e;
1620
1621 trace_vm_state_notify(running, state);
1622
1623 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1624 e->cb(e->opaque, running, state);
1625 }
1626 }
1627
1628 void vm_start(void)
1629 {
1630 if (!runstate_is_running()) {
1631 cpu_enable_ticks();
1632 runstate_set(RUN_STATE_RUNNING);
1633 vm_state_notify(1, RUN_STATE_RUNNING);
1634 resume_all_vcpus();
1635 monitor_protocol_event(QEVENT_RESUME, NULL);
1636 }
1637 }
1638
1639 /* reset/shutdown handler */
1640
1641 typedef struct QEMUResetEntry {
1642 QTAILQ_ENTRY(QEMUResetEntry) entry;
1643 QEMUResetHandler *func;
1644 void *opaque;
1645 } QEMUResetEntry;
1646
1647 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1648 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1649 static int reset_requested;
1650 static int shutdown_requested, shutdown_signal = -1;
1651 static pid_t shutdown_pid;
1652 static int powerdown_requested;
1653 static int debug_requested;
1654 static int suspend_requested;
1655 static int wakeup_requested;
1656 static NotifierList powerdown_notifiers =
1657 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1658 static NotifierList suspend_notifiers =
1659 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1660 static NotifierList wakeup_notifiers =
1661 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1662 static uint32_t wakeup_reason_mask = ~0;
1663 static RunState vmstop_requested = RUN_STATE_MAX;
1664
1665 int qemu_shutdown_requested_get(void)
1666 {
1667 return shutdown_requested;
1668 }
1669
1670 int qemu_reset_requested_get(void)
1671 {
1672 return reset_requested;
1673 }
1674
1675 static int qemu_shutdown_requested(void)
1676 {
1677 int r = shutdown_requested;
1678 shutdown_requested = 0;
1679 return r;
1680 }
1681
1682 static void qemu_kill_report(void)
1683 {
1684 if (!qtest_enabled() && shutdown_signal != -1) {
1685 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1686 if (shutdown_pid == 0) {
1687 /* This happens for eg ^C at the terminal, so it's worth
1688 * avoiding printing an odd message in that case.
1689 */
1690 fputc('\n', stderr);
1691 } else {
1692 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1693 }
1694 shutdown_signal = -1;
1695 }
1696 }
1697
1698 static int qemu_reset_requested(void)
1699 {
1700 int r = reset_requested;
1701 reset_requested = 0;
1702 return r;
1703 }
1704
1705 static int qemu_suspend_requested(void)
1706 {
1707 int r = suspend_requested;
1708 suspend_requested = 0;
1709 return r;
1710 }
1711
1712 static int qemu_wakeup_requested(void)
1713 {
1714 int r = wakeup_requested;
1715 wakeup_requested = 0;
1716 return r;
1717 }
1718
1719 static int qemu_powerdown_requested(void)
1720 {
1721 int r = powerdown_requested;
1722 powerdown_requested = 0;
1723 return r;
1724 }
1725
1726 static int qemu_debug_requested(void)
1727 {
1728 int r = debug_requested;
1729 debug_requested = 0;
1730 return r;
1731 }
1732
1733 /* We use RUN_STATE_MAX but any invalid value will do */
1734 static bool qemu_vmstop_requested(RunState *r)
1735 {
1736 if (vmstop_requested < RUN_STATE_MAX) {
1737 *r = vmstop_requested;
1738 vmstop_requested = RUN_STATE_MAX;
1739 return true;
1740 }
1741
1742 return false;
1743 }
1744
1745 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1746 {
1747 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1748
1749 re->func = func;
1750 re->opaque = opaque;
1751 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1752 }
1753
1754 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1755 {
1756 QEMUResetEntry *re;
1757
1758 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1759 if (re->func == func && re->opaque == opaque) {
1760 QTAILQ_REMOVE(&reset_handlers, re, entry);
1761 g_free(re);
1762 return;
1763 }
1764 }
1765 }
1766
1767 void qemu_devices_reset(void)
1768 {
1769 QEMUResetEntry *re, *nre;
1770
1771 /* reset all devices */
1772 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1773 re->func(re->opaque);
1774 }
1775 }
1776
1777 void qemu_system_reset(bool report)
1778 {
1779 if (current_machine && current_machine->reset) {
1780 current_machine->reset();
1781 } else {
1782 qemu_devices_reset();
1783 }
1784 if (report) {
1785 monitor_protocol_event(QEVENT_RESET, NULL);
1786 }
1787 cpu_synchronize_all_post_reset();
1788 }
1789
1790 void qemu_system_reset_request(void)
1791 {
1792 if (no_reboot) {
1793 shutdown_requested = 1;
1794 } else {
1795 reset_requested = 1;
1796 }
1797 cpu_stop_current();
1798 qemu_notify_event();
1799 }
1800
1801 static void qemu_system_suspend(void)
1802 {
1803 pause_all_vcpus();
1804 notifier_list_notify(&suspend_notifiers, NULL);
1805 runstate_set(RUN_STATE_SUSPENDED);
1806 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1807 }
1808
1809 void qemu_system_suspend_request(void)
1810 {
1811 if (runstate_check(RUN_STATE_SUSPENDED)) {
1812 return;
1813 }
1814 suspend_requested = 1;
1815 cpu_stop_current();
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_register_suspend_notifier(Notifier *notifier)
1820 {
1821 notifier_list_add(&suspend_notifiers, notifier);
1822 }
1823
1824 void qemu_system_wakeup_request(WakeupReason reason)
1825 {
1826 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1827 return;
1828 }
1829 if (!(wakeup_reason_mask & (1 << reason))) {
1830 return;
1831 }
1832 runstate_set(RUN_STATE_RUNNING);
1833 notifier_list_notify(&wakeup_notifiers, &reason);
1834 wakeup_requested = 1;
1835 qemu_notify_event();
1836 }
1837
1838 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1839 {
1840 if (enabled) {
1841 wakeup_reason_mask |= (1 << reason);
1842 } else {
1843 wakeup_reason_mask &= ~(1 << reason);
1844 }
1845 }
1846
1847 void qemu_register_wakeup_notifier(Notifier *notifier)
1848 {
1849 notifier_list_add(&wakeup_notifiers, notifier);
1850 }
1851
1852 void qemu_system_killed(int signal, pid_t pid)
1853 {
1854 shutdown_signal = signal;
1855 shutdown_pid = pid;
1856 no_shutdown = 0;
1857 qemu_system_shutdown_request();
1858 }
1859
1860 void qemu_system_shutdown_request(void)
1861 {
1862 shutdown_requested = 1;
1863 qemu_notify_event();
1864 }
1865
1866 static void qemu_system_powerdown(void)
1867 {
1868 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1869 notifier_list_notify(&powerdown_notifiers, NULL);
1870 }
1871
1872 void qemu_system_powerdown_request(void)
1873 {
1874 powerdown_requested = 1;
1875 qemu_notify_event();
1876 }
1877
1878 void qemu_register_powerdown_notifier(Notifier *notifier)
1879 {
1880 notifier_list_add(&powerdown_notifiers, notifier);
1881 }
1882
1883 void qemu_system_debug_request(void)
1884 {
1885 debug_requested = 1;
1886 qemu_notify_event();
1887 }
1888
1889 void qemu_system_vmstop_request(RunState state)
1890 {
1891 vmstop_requested = state;
1892 qemu_notify_event();
1893 }
1894
1895 static bool main_loop_should_exit(void)
1896 {
1897 RunState r;
1898 if (qemu_debug_requested()) {
1899 vm_stop(RUN_STATE_DEBUG);
1900 }
1901 if (qemu_suspend_requested()) {
1902 qemu_system_suspend();
1903 }
1904 if (qemu_shutdown_requested()) {
1905 qemu_kill_report();
1906 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1907 if (no_shutdown) {
1908 vm_stop(RUN_STATE_SHUTDOWN);
1909 } else {
1910 return true;
1911 }
1912 }
1913 if (qemu_reset_requested()) {
1914 pause_all_vcpus();
1915 cpu_synchronize_all_states();
1916 qemu_system_reset(VMRESET_REPORT);
1917 resume_all_vcpus();
1918 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1919 runstate_check(RUN_STATE_SHUTDOWN)) {
1920 runstate_set(RUN_STATE_PAUSED);
1921 }
1922 }
1923 if (qemu_wakeup_requested()) {
1924 pause_all_vcpus();
1925 cpu_synchronize_all_states();
1926 qemu_system_reset(VMRESET_SILENT);
1927 resume_all_vcpus();
1928 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1929 }
1930 if (qemu_powerdown_requested()) {
1931 qemu_system_powerdown();
1932 }
1933 if (qemu_vmstop_requested(&r)) {
1934 vm_stop(r);
1935 }
1936 return false;
1937 }
1938
1939 static void main_loop(void)
1940 {
1941 bool nonblocking;
1942 int last_io = 0;
1943 #ifdef CONFIG_PROFILER
1944 int64_t ti;
1945 #endif
1946 do {
1947 nonblocking = !kvm_enabled() && last_io > 0;
1948 #ifdef CONFIG_PROFILER
1949 ti = profile_getclock();
1950 #endif
1951 last_io = main_loop_wait(nonblocking);
1952 #ifdef CONFIG_PROFILER
1953 dev_time += profile_getclock() - ti;
1954 #endif
1955 } while (!main_loop_should_exit());
1956 }
1957
1958 static void version(void)
1959 {
1960 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1961 }
1962
1963 static void help(int exitcode)
1964 {
1965 version();
1966 printf("usage: %s [options] [disk_image]\n\n"
1967 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1968 error_get_progname());
1969
1970 #define QEMU_OPTIONS_GENERATE_HELP
1971 #include "qemu-options-wrapper.h"
1972
1973 printf("\nDuring emulation, the following keys are useful:\n"
1974 "ctrl-alt-f toggle full screen\n"
1975 "ctrl-alt-n switch to virtual console 'n'\n"
1976 "ctrl-alt toggle mouse and keyboard grab\n"
1977 "\n"
1978 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1979
1980 exit(exitcode);
1981 }
1982
1983 #define HAS_ARG 0x0001
1984
1985 typedef struct QEMUOption {
1986 const char *name;
1987 int flags;
1988 int index;
1989 uint32_t arch_mask;
1990 } QEMUOption;
1991
1992 static const QEMUOption qemu_options[] = {
1993 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1994 #define QEMU_OPTIONS_GENERATE_OPTIONS
1995 #include "qemu-options-wrapper.h"
1996 { NULL },
1997 };
1998
1999 static bool vga_available(void)
2000 {
2001 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2002 }
2003
2004 static bool cirrus_vga_available(void)
2005 {
2006 return object_class_by_name("cirrus-vga")
2007 || object_class_by_name("isa-cirrus-vga");
2008 }
2009
2010 static bool vmware_vga_available(void)
2011 {
2012 return object_class_by_name("vmware-svga");
2013 }
2014
2015 static bool qxl_vga_available(void)
2016 {
2017 return object_class_by_name("qxl-vga");
2018 }
2019
2020 static void select_vgahw (const char *p)
2021 {
2022 const char *opts;
2023
2024 vga_interface_type = VGA_NONE;
2025 if (strstart(p, "std", &opts)) {
2026 if (vga_available()) {
2027 vga_interface_type = VGA_STD;
2028 } else {
2029 fprintf(stderr, "Error: standard VGA not available\n");
2030 exit(0);
2031 }
2032 } else if (strstart(p, "cirrus", &opts)) {
2033 if (cirrus_vga_available()) {
2034 vga_interface_type = VGA_CIRRUS;
2035 } else {
2036 fprintf(stderr, "Error: Cirrus VGA not available\n");
2037 exit(0);
2038 }
2039 } else if (strstart(p, "vmware", &opts)) {
2040 if (vmware_vga_available()) {
2041 vga_interface_type = VGA_VMWARE;
2042 } else {
2043 fprintf(stderr, "Error: VMWare SVGA not available\n");
2044 exit(0);
2045 }
2046 } else if (strstart(p, "xenfb", &opts)) {
2047 vga_interface_type = VGA_XENFB;
2048 } else if (strstart(p, "qxl", &opts)) {
2049 if (qxl_vga_available()) {
2050 vga_interface_type = VGA_QXL;
2051 } else {
2052 fprintf(stderr, "Error: QXL VGA not available\n");
2053 exit(0);
2054 }
2055 } else if (!strstart(p, "none", &opts)) {
2056 invalid_vga:
2057 fprintf(stderr, "Unknown vga type: %s\n", p);
2058 exit(1);
2059 }
2060 while (*opts) {
2061 const char *nextopt;
2062
2063 if (strstart(opts, ",retrace=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "dumb", &nextopt))
2066 vga_retrace_method = VGA_RETRACE_DUMB;
2067 else if (strstart(opts, "precise", &nextopt))
2068 vga_retrace_method = VGA_RETRACE_PRECISE;
2069 else goto invalid_vga;
2070 } else goto invalid_vga;
2071 opts = nextopt;
2072 }
2073 }
2074
2075 static DisplayType select_display(const char *p)
2076 {
2077 const char *opts;
2078 DisplayType display = DT_DEFAULT;
2079
2080 if (strstart(p, "sdl", &opts)) {
2081 #ifdef CONFIG_SDL
2082 display = DT_SDL;
2083 while (*opts) {
2084 const char *nextopt;
2085
2086 if (strstart(opts, ",frame=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "on", &nextopt)) {
2089 no_frame = 0;
2090 } else if (strstart(opts, "off", &nextopt)) {
2091 no_frame = 1;
2092 } else {
2093 goto invalid_sdl_args;
2094 }
2095 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2096 opts = nextopt;
2097 if (strstart(opts, "on", &nextopt)) {
2098 alt_grab = 1;
2099 } else if (strstart(opts, "off", &nextopt)) {
2100 alt_grab = 0;
2101 } else {
2102 goto invalid_sdl_args;
2103 }
2104 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2105 opts = nextopt;
2106 if (strstart(opts, "on", &nextopt)) {
2107 ctrl_grab = 1;
2108 } else if (strstart(opts, "off", &nextopt)) {
2109 ctrl_grab = 0;
2110 } else {
2111 goto invalid_sdl_args;
2112 }
2113 } else if (strstart(opts, ",window_close=", &nextopt)) {
2114 opts = nextopt;
2115 if (strstart(opts, "on", &nextopt)) {
2116 no_quit = 0;
2117 } else if (strstart(opts, "off", &nextopt)) {
2118 no_quit = 1;
2119 } else {
2120 goto invalid_sdl_args;
2121 }
2122 } else {
2123 invalid_sdl_args:
2124 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2125 exit(1);
2126 }
2127 opts = nextopt;
2128 }
2129 #else
2130 fprintf(stderr, "SDL support is disabled\n");
2131 exit(1);
2132 #endif
2133 } else if (strstart(p, "vnc", &opts)) {
2134 #ifdef CONFIG_VNC
2135 display_remote++;
2136
2137 if (*opts) {
2138 const char *nextopt;
2139
2140 if (strstart(opts, "=", &nextopt)) {
2141 vnc_display = nextopt;
2142 }
2143 }
2144 if (!vnc_display) {
2145 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2146 exit(1);
2147 }
2148 #else
2149 fprintf(stderr, "VNC support is disabled\n");
2150 exit(1);
2151 #endif
2152 } else if (strstart(p, "curses", &opts)) {
2153 #ifdef CONFIG_CURSES
2154 display = DT_CURSES;
2155 #else
2156 fprintf(stderr, "Curses support is disabled\n");
2157 exit(1);
2158 #endif
2159 } else if (strstart(p, "none", &opts)) {
2160 display = DT_NONE;
2161 } else {
2162 fprintf(stderr, "Unknown display type: %s\n", p);
2163 exit(1);
2164 }
2165
2166 return display;
2167 }
2168
2169 static int balloon_parse(const char *arg)
2170 {
2171 QemuOpts *opts;
2172
2173 if (strcmp(arg, "none") == 0) {
2174 return 0;
2175 }
2176
2177 if (!strncmp(arg, "virtio", 6)) {
2178 if (arg[6] == ',') {
2179 /* have params -> parse them */
2180 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2181 if (!opts)
2182 return -1;
2183 } else {
2184 /* create empty opts */
2185 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2186 }
2187 qemu_opt_set(opts, "driver", "virtio-balloon");
2188 return 0;
2189 }
2190
2191 return -1;
2192 }
2193
2194 char *qemu_find_file(int type, const char *name)
2195 {
2196 int len;
2197 const char *subdir;
2198 char *buf;
2199
2200 /* Try the name as a straight path first */
2201 if (access(name, R_OK) == 0) {
2202 return g_strdup(name);
2203 }
2204 switch (type) {
2205 case QEMU_FILE_TYPE_BIOS:
2206 subdir = "";
2207 break;
2208 case QEMU_FILE_TYPE_KEYMAP:
2209 subdir = "keymaps/";
2210 break;
2211 default:
2212 abort();
2213 }
2214 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2215 buf = g_malloc0(len);
2216 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2217 if (access(buf, R_OK)) {
2218 g_free(buf);
2219 return NULL;
2220 }
2221 return buf;
2222 }
2223
2224 static int device_help_func(QemuOpts *opts, void *opaque)
2225 {
2226 return qdev_device_help(opts);
2227 }
2228
2229 static int device_init_func(QemuOpts *opts, void *opaque)
2230 {
2231 DeviceState *dev;
2232
2233 dev = qdev_device_add(opts);
2234 if (!dev)
2235 return -1;
2236 return 0;
2237 }
2238
2239 static int chardev_init_func(QemuOpts *opts, void *opaque)
2240 {
2241 CharDriverState *chr;
2242
2243 chr = qemu_chr_new_from_opts(opts, NULL);
2244 if (!chr)
2245 return -1;
2246 return 0;
2247 }
2248
2249 #ifdef CONFIG_VIRTFS
2250 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2251 {
2252 int ret;
2253 ret = qemu_fsdev_add(opts);
2254
2255 return ret;
2256 }
2257 #endif
2258
2259 static int mon_init_func(QemuOpts *opts, void *opaque)
2260 {
2261 CharDriverState *chr;
2262 const char *chardev;
2263 const char *mode;
2264 int flags;
2265
2266 mode = qemu_opt_get(opts, "mode");
2267 if (mode == NULL) {
2268 mode = "readline";
2269 }
2270 if (strcmp(mode, "readline") == 0) {
2271 flags = MONITOR_USE_READLINE;
2272 } else if (strcmp(mode, "control") == 0) {
2273 flags = MONITOR_USE_CONTROL;
2274 } else {
2275 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2276 exit(1);
2277 }
2278
2279 if (qemu_opt_get_bool(opts, "pretty", 0))
2280 flags |= MONITOR_USE_PRETTY;
2281
2282 if (qemu_opt_get_bool(opts, "default", 0))
2283 flags |= MONITOR_IS_DEFAULT;
2284
2285 chardev = qemu_opt_get(opts, "chardev");
2286 chr = qemu_chr_find(chardev);
2287 if (chr == NULL) {
2288 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2289 exit(1);
2290 }
2291
2292 monitor_init(chr, flags);
2293 return 0;
2294 }
2295
2296 static void monitor_parse(const char *optarg, const char *mode)
2297 {
2298 static int monitor_device_index = 0;
2299 QemuOpts *opts;
2300 const char *p;
2301 char label[32];
2302 int def = 0;
2303
2304 if (strstart(optarg, "chardev:", &p)) {
2305 snprintf(label, sizeof(label), "%s", p);
2306 } else {
2307 snprintf(label, sizeof(label), "compat_monitor%d",
2308 monitor_device_index);
2309 if (monitor_device_index == 0) {
2310 def = 1;
2311 }
2312 opts = qemu_chr_parse_compat(label, optarg);
2313 if (!opts) {
2314 fprintf(stderr, "parse error: %s\n", optarg);
2315 exit(1);
2316 }
2317 }
2318
2319 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2320 if (!opts) {
2321 fprintf(stderr, "duplicate chardev: %s\n", label);
2322 exit(1);
2323 }
2324 qemu_opt_set(opts, "mode", mode);
2325 qemu_opt_set(opts, "chardev", label);
2326 if (def)
2327 qemu_opt_set(opts, "default", "on");
2328 monitor_device_index++;
2329 }
2330
2331 struct device_config {
2332 enum {
2333 DEV_USB, /* -usbdevice */
2334 DEV_BT, /* -bt */
2335 DEV_SERIAL, /* -serial */
2336 DEV_PARALLEL, /* -parallel */
2337 DEV_VIRTCON, /* -virtioconsole */
2338 DEV_DEBUGCON, /* -debugcon */
2339 DEV_GDB, /* -gdb, -s */
2340 } type;
2341 const char *cmdline;
2342 Location loc;
2343 QTAILQ_ENTRY(device_config) next;
2344 };
2345
2346 static QTAILQ_HEAD(, device_config) device_configs =
2347 QTAILQ_HEAD_INITIALIZER(device_configs);
2348
2349 static void add_device_config(int type, const char *cmdline)
2350 {
2351 struct device_config *conf;
2352
2353 conf = g_malloc0(sizeof(*conf));
2354 conf->type = type;
2355 conf->cmdline = cmdline;
2356 loc_save(&conf->loc);
2357 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2358 }
2359
2360 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2361 {
2362 struct device_config *conf;
2363 int rc;
2364
2365 QTAILQ_FOREACH(conf, &device_configs, next) {
2366 if (conf->type != type)
2367 continue;
2368 loc_push_restore(&conf->loc);
2369 rc = func(conf->cmdline);
2370 loc_pop(&conf->loc);
2371 if (0 != rc)
2372 return rc;
2373 }
2374 return 0;
2375 }
2376
2377 static int serial_parse(const char *devname)
2378 {
2379 static int index = 0;
2380 char label[32];
2381
2382 if (strcmp(devname, "none") == 0)
2383 return 0;
2384 if (index == MAX_SERIAL_PORTS) {
2385 fprintf(stderr, "qemu: too many serial ports\n");
2386 exit(1);
2387 }
2388 snprintf(label, sizeof(label), "serial%d", index);
2389 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2390 if (!serial_hds[index]) {
2391 fprintf(stderr, "qemu: could not connect serial device"
2392 " to character backend '%s'\n", devname);
2393 return -1;
2394 }
2395 index++;
2396 return 0;
2397 }
2398
2399 static int parallel_parse(const char *devname)
2400 {
2401 static int index = 0;
2402 char label[32];
2403
2404 if (strcmp(devname, "none") == 0)
2405 return 0;
2406 if (index == MAX_PARALLEL_PORTS) {
2407 fprintf(stderr, "qemu: too many parallel ports\n");
2408 exit(1);
2409 }
2410 snprintf(label, sizeof(label), "parallel%d", index);
2411 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2412 if (!parallel_hds[index]) {
2413 fprintf(stderr, "qemu: could not connect parallel device"
2414 " to character backend '%s'\n", devname);
2415 return -1;
2416 }
2417 index++;
2418 return 0;
2419 }
2420
2421 static int virtcon_parse(const char *devname)
2422 {
2423 QemuOptsList *device = qemu_find_opts("device");
2424 static int index = 0;
2425 char label[32];
2426 QemuOpts *bus_opts, *dev_opts;
2427
2428 if (strcmp(devname, "none") == 0)
2429 return 0;
2430 if (index == MAX_VIRTIO_CONSOLES) {
2431 fprintf(stderr, "qemu: too many virtio consoles\n");
2432 exit(1);
2433 }
2434
2435 bus_opts = qemu_opts_create_nofail(device);
2436 if (arch_type == QEMU_ARCH_S390X) {
2437 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2438 } else {
2439 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2440 }
2441
2442 dev_opts = qemu_opts_create_nofail(device);
2443 qemu_opt_set(dev_opts, "driver", "virtconsole");
2444
2445 snprintf(label, sizeof(label), "virtcon%d", index);
2446 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2447 if (!virtcon_hds[index]) {
2448 fprintf(stderr, "qemu: could not connect virtio console"
2449 " to character backend '%s'\n", devname);
2450 return -1;
2451 }
2452 qemu_opt_set(dev_opts, "chardev", label);
2453
2454 index++;
2455 return 0;
2456 }
2457
2458 static int debugcon_parse(const char *devname)
2459 {
2460 QemuOpts *opts;
2461
2462 if (!qemu_chr_new("debugcon", devname, NULL)) {
2463 exit(1);
2464 }
2465 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2466 if (!opts) {
2467 fprintf(stderr, "qemu: already have a debugcon device\n");
2468 exit(1);
2469 }
2470 qemu_opt_set(opts, "driver", "isa-debugcon");
2471 qemu_opt_set(opts, "chardev", "debugcon");
2472 return 0;
2473 }
2474
2475 static QEMUMachine *machine_parse(const char *name)
2476 {
2477 QEMUMachine *m, *machine = NULL;
2478
2479 if (name) {
2480 machine = find_machine(name);
2481 }
2482 if (machine) {
2483 return machine;
2484 }
2485 printf("Supported machines are:\n");
2486 for (m = first_machine; m != NULL; m = m->next) {
2487 if (m->alias) {
2488 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2489 }
2490 printf("%-20s %s%s\n", m->name, m->desc,
2491 m->is_default ? " (default)" : "");
2492 }
2493 exit(!name || !is_help_option(name));
2494 }
2495
2496 static int tcg_init(void)
2497 {
2498 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2499 return 0;
2500 }
2501
2502 static struct {
2503 const char *opt_name;
2504 const char *name;
2505 int (*available)(void);
2506 int (*init)(void);
2507 int *allowed;
2508 } accel_list[] = {
2509 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2510 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2511 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2512 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2513 };
2514
2515 static int configure_accelerator(void)
2516 {
2517 const char *p = NULL;
2518 char buf[10];
2519 int i, ret;
2520 bool accel_initialised = 0;
2521 bool init_failed = 0;
2522
2523 QemuOptsList *list = qemu_find_opts("machine");
2524 if (!QTAILQ_EMPTY(&list->head)) {
2525 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2526 }
2527
2528 if (p == NULL) {
2529 /* Use the default "accelerator", tcg */
2530 p = "tcg";
2531 }
2532
2533 while (!accel_initialised && *p != '\0') {
2534 if (*p == ':') {
2535 p++;
2536 }
2537 p = get_opt_name(buf, sizeof (buf), p, ':');
2538 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2539 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2540 *(accel_list[i].allowed) = 1;
2541 ret = accel_list[i].init();
2542 if (ret < 0) {
2543 init_failed = 1;
2544 if (!accel_list[i].available()) {
2545 printf("%s not supported for this target\n",
2546 accel_list[i].name);
2547 } else {
2548 fprintf(stderr, "failed to initialize %s: %s\n",
2549 accel_list[i].name,
2550 strerror(-ret));
2551 }
2552 *(accel_list[i].allowed) = 0;
2553 } else {
2554 accel_initialised = 1;
2555 }
2556 break;
2557 }
2558 }
2559 if (i == ARRAY_SIZE(accel_list)) {
2560 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2561 }
2562 }
2563
2564 if (!accel_initialised) {
2565 fprintf(stderr, "No accelerator found!\n");
2566 exit(1);
2567 }
2568
2569 if (init_failed) {
2570 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2571 }
2572
2573 return !accel_initialised;
2574 }
2575
2576 void qemu_add_exit_notifier(Notifier *notify)
2577 {
2578 notifier_list_add(&exit_notifiers, notify);
2579 }
2580
2581 void qemu_remove_exit_notifier(Notifier *notify)
2582 {
2583 notifier_remove(notify);
2584 }
2585
2586 static void qemu_run_exit_notifiers(void)
2587 {
2588 notifier_list_notify(&exit_notifiers, NULL);
2589 }
2590
2591 void qemu_add_machine_init_done_notifier(Notifier *notify)
2592 {
2593 notifier_list_add(&machine_init_done_notifiers, notify);
2594 }
2595
2596 static void qemu_run_machine_init_done_notifiers(void)
2597 {
2598 notifier_list_notify(&machine_init_done_notifiers, NULL);
2599 }
2600
2601 static const QEMUOption *lookup_opt(int argc, char **argv,
2602 const char **poptarg, int *poptind)
2603 {
2604 const QEMUOption *popt;
2605 int optind = *poptind;
2606 char *r = argv[optind];
2607 const char *optarg;
2608
2609 loc_set_cmdline(argv, optind, 1);
2610 optind++;
2611 /* Treat --foo the same as -foo. */
2612 if (r[1] == '-')
2613 r++;
2614 popt = qemu_options;
2615 for(;;) {
2616 if (!popt->name) {
2617 error_report("invalid option");
2618 exit(1);
2619 }
2620 if (!strcmp(popt->name, r + 1))
2621 break;
2622 popt++;
2623 }
2624 if (popt->flags & HAS_ARG) {
2625 if (optind >= argc) {
2626 error_report("requires an argument");
2627 exit(1);
2628 }
2629 optarg = argv[optind++];
2630 loc_set_cmdline(argv, optind - 2, 2);
2631 } else {
2632 optarg = NULL;
2633 }
2634
2635 *poptarg = optarg;
2636 *poptind = optind;
2637
2638 return popt;
2639 }
2640
2641 static gpointer malloc_and_trace(gsize n_bytes)
2642 {
2643 void *ptr = malloc(n_bytes);
2644 trace_g_malloc(n_bytes, ptr);
2645 return ptr;
2646 }
2647
2648 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2649 {
2650 void *ptr = realloc(mem, n_bytes);
2651 trace_g_realloc(mem, n_bytes, ptr);
2652 return ptr;
2653 }
2654
2655 static void free_and_trace(gpointer mem)
2656 {
2657 trace_g_free(mem);
2658 free(mem);
2659 }
2660
2661 static int object_set_property(const char *name, const char *value, void *opaque)
2662 {
2663 Object *obj = OBJECT(opaque);
2664 StringInputVisitor *siv;
2665 Error *local_err = NULL;
2666
2667 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2668 return 0;
2669 }
2670
2671 siv = string_input_visitor_new(value);
2672 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2673 string_input_visitor_cleanup(siv);
2674
2675 if (local_err) {
2676 qerror_report_err(local_err);
2677 error_free(local_err);
2678 return -1;
2679 }
2680
2681 return 0;
2682 }
2683
2684 static int object_create(QemuOpts *opts, void *opaque)
2685 {
2686 const char *type = qemu_opt_get(opts, "qom-type");
2687 const char *id = qemu_opts_id(opts);
2688 Object *obj;
2689
2690 g_assert(type != NULL);
2691
2692 if (id == NULL) {
2693 qerror_report(QERR_MISSING_PARAMETER, "id");
2694 return -1;
2695 }
2696
2697 obj = object_new(type);
2698 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2699 return -1;
2700 }
2701
2702 object_property_add_child(container_get(object_get_root(), "/objects"),
2703 id, obj, NULL);
2704
2705 return 0;
2706 }
2707
2708 int main(int argc, char **argv, char **envp)
2709 {
2710 int i;
2711 int snapshot, linux_boot;
2712 const char *icount_option = NULL;
2713 const char *initrd_filename;
2714 const char *kernel_filename, *kernel_cmdline;
2715 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2716 DisplayState *ds;
2717 int cyls, heads, secs, translation;
2718 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2719 QemuOptsList *olist;
2720 int optind;
2721 const char *optarg;
2722 const char *loadvm = NULL;
2723 QEMUMachine *machine;
2724 const char *cpu_model;
2725 const char *vga_model = "none";
2726 const char *pid_file = NULL;
2727 const char *incoming = NULL;
2728 #ifdef CONFIG_VNC
2729 int show_vnc_port = 0;
2730 #endif
2731 bool defconfig = true;
2732 bool userconfig = true;
2733 const char *log_mask = NULL;
2734 const char *log_file = NULL;
2735 GMemVTable mem_trace = {
2736 .malloc = malloc_and_trace,
2737 .realloc = realloc_and_trace,
2738 .free = free_and_trace,
2739 };
2740 const char *trace_events = NULL;
2741 const char *trace_file = NULL;
2742
2743 atexit(qemu_run_exit_notifiers);
2744 error_set_progname(argv[0]);
2745
2746 g_mem_set_vtable(&mem_trace);
2747 if (!g_thread_supported()) {
2748 #if !GLIB_CHECK_VERSION(2, 31, 0)
2749 g_thread_init(NULL);
2750 #else
2751 fprintf(stderr, "glib threading failed to initialize.\n");
2752 exit(1);
2753 #endif
2754 }
2755
2756 module_call_init(MODULE_INIT_QOM);
2757
2758 qemu_add_opts(&qemu_drive_opts);
2759 qemu_add_opts(&qemu_chardev_opts);
2760 qemu_add_opts(&qemu_device_opts);
2761 qemu_add_opts(&qemu_netdev_opts);
2762 qemu_add_opts(&qemu_net_opts);
2763 qemu_add_opts(&qemu_rtc_opts);
2764 qemu_add_opts(&qemu_global_opts);
2765 qemu_add_opts(&qemu_mon_opts);
2766 qemu_add_opts(&qemu_trace_opts);
2767 qemu_add_opts(&qemu_option_rom_opts);
2768 qemu_add_opts(&qemu_machine_opts);
2769 qemu_add_opts(&qemu_boot_opts);
2770 qemu_add_opts(&qemu_sandbox_opts);
2771 qemu_add_opts(&qemu_add_fd_opts);
2772 qemu_add_opts(&qemu_object_opts);
2773
2774 runstate_init();
2775
2776 init_clocks();
2777 rtc_clock = host_clock;
2778
2779 qemu_cache_utils_init(envp);
2780
2781 QLIST_INIT (&vm_change_state_head);
2782 os_setup_early_signal_handling();
2783
2784 module_call_init(MODULE_INIT_MACHINE);
2785 machine = find_default_machine();
2786 cpu_model = NULL;
2787 ram_size = 0;
2788 snapshot = 0;
2789 cyls = heads = secs = 0;
2790 translation = BIOS_ATA_TRANSLATION_AUTO;
2791
2792 for (i = 0; i < MAX_NODES; i++) {
2793 node_mem[i] = 0;
2794 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2795 }
2796
2797 nb_numa_nodes = 0;
2798 nb_nics = 0;
2799
2800 autostart= 1;
2801
2802 /* first pass of option parsing */
2803 optind = 1;
2804 while (optind < argc) {
2805 if (argv[optind][0] != '-') {
2806 /* disk image */
2807 optind++;
2808 continue;
2809 } else {
2810 const QEMUOption *popt;
2811
2812 popt = lookup_opt(argc, argv, &optarg, &optind);
2813 switch (popt->index) {
2814 case QEMU_OPTION_nodefconfig:
2815 defconfig = false;
2816 break;
2817 case QEMU_OPTION_nouserconfig:
2818 userconfig = false;
2819 break;
2820 }
2821 }
2822 }
2823
2824 if (defconfig) {
2825 int ret;
2826 ret = qemu_read_default_config_files(userconfig);
2827 if (ret < 0) {
2828 exit(1);
2829 }
2830 }
2831
2832 /* second pass of option parsing */
2833 optind = 1;
2834 for(;;) {
2835 if (optind >= argc)
2836 break;
2837 if (argv[optind][0] != '-') {
2838 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2839 } else {
2840 const QEMUOption *popt;
2841
2842 popt = lookup_opt(argc, argv, &optarg, &optind);
2843 if (!(popt->arch_mask & arch_type)) {
2844 printf("Option %s not supported for this target\n", popt->name);
2845 exit(1);
2846 }
2847 switch(popt->index) {
2848 case QEMU_OPTION_M:
2849 machine = machine_parse(optarg);
2850 break;
2851 case QEMU_OPTION_no_kvm_irqchip: {
2852 olist = qemu_find_opts("machine");
2853 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2854 break;
2855 }
2856 case QEMU_OPTION_cpu:
2857 /* hw initialization will check this */
2858 cpu_model = optarg;
2859 break;
2860 case QEMU_OPTION_hda:
2861 {
2862 char buf[256];
2863 if (cyls == 0)
2864 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2865 else
2866 snprintf(buf, sizeof(buf),
2867 "%s,cyls=%d,heads=%d,secs=%d%s",
2868 HD_OPTS , cyls, heads, secs,
2869 translation == BIOS_ATA_TRANSLATION_LBA ?
2870 ",trans=lba" :
2871 translation == BIOS_ATA_TRANSLATION_NONE ?
2872 ",trans=none" : "");
2873 drive_add(IF_DEFAULT, 0, optarg, buf);
2874 break;
2875 }
2876 case QEMU_OPTION_hdb:
2877 case QEMU_OPTION_hdc:
2878 case QEMU_OPTION_hdd:
2879 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2880 HD_OPTS);
2881 break;
2882 case QEMU_OPTION_drive:
2883 if (drive_def(optarg) == NULL) {
2884 exit(1);
2885 }
2886 break;
2887 case QEMU_OPTION_set:
2888 if (qemu_set_option(optarg) != 0)
2889 exit(1);
2890 break;
2891 case QEMU_OPTION_global:
2892 if (qemu_global_option(optarg) != 0)
2893 exit(1);
2894 break;
2895 case QEMU_OPTION_mtdblock:
2896 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2897 break;
2898 case QEMU_OPTION_sd:
2899 drive_add(IF_SD, 0, optarg, SD_OPTS);
2900 break;
2901 case QEMU_OPTION_pflash:
2902 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2903 break;
2904 case QEMU_OPTION_snapshot:
2905 snapshot = 1;
2906 break;
2907 case QEMU_OPTION_hdachs:
2908 {
2909 const char *p;
2910 p = optarg;
2911 cyls = strtol(p, (char **)&p, 0);
2912 if (cyls < 1 || cyls > 16383)
2913 goto chs_fail;
2914 if (*p != ',')
2915 goto chs_fail;
2916 p++;
2917 heads = strtol(p, (char **)&p, 0);
2918 if (heads < 1 || heads > 16)
2919 goto chs_fail;
2920 if (*p != ',')
2921 goto chs_fail;
2922 p++;
2923 secs = strtol(p, (char **)&p, 0);
2924 if (secs < 1 || secs > 63)
2925 goto chs_fail;
2926 if (*p == ',') {
2927 p++;
2928 if (!strcmp(p, "none"))
2929 translation = BIOS_ATA_TRANSLATION_NONE;
2930 else if (!strcmp(p, "lba"))
2931 translation = BIOS_ATA_TRANSLATION_LBA;
2932 else if (!strcmp(p, "auto"))
2933 translation = BIOS_ATA_TRANSLATION_AUTO;
2934 else
2935 goto chs_fail;
2936 } else if (*p != '\0') {
2937 chs_fail:
2938 fprintf(stderr, "qemu: invalid physical CHS format\n");
2939 exit(1);
2940 }
2941 if (hda_opts != NULL) {
2942 char num[16];
2943 snprintf(num, sizeof(num), "%d", cyls);
2944 qemu_opt_set(hda_opts, "cyls", num);
2945 snprintf(num, sizeof(num), "%d", heads);
2946 qemu_opt_set(hda_opts, "heads", num);
2947 snprintf(num, sizeof(num), "%d", secs);
2948 qemu_opt_set(hda_opts, "secs", num);
2949 if (translation == BIOS_ATA_TRANSLATION_LBA)
2950 qemu_opt_set(hda_opts, "trans", "lba");
2951 if (translation == BIOS_ATA_TRANSLATION_NONE)
2952 qemu_opt_set(hda_opts, "trans", "none");
2953 }
2954 }
2955 break;
2956 case QEMU_OPTION_numa:
2957 if (nb_numa_nodes >= MAX_NODES) {
2958 fprintf(stderr, "qemu: too many NUMA nodes\n");
2959 exit(1);
2960 }
2961 numa_add(optarg);
2962 break;
2963 case QEMU_OPTION_display:
2964 display_type = select_display(optarg);
2965 break;
2966 case QEMU_OPTION_nographic:
2967 display_type = DT_NOGRAPHIC;
2968 break;
2969 case QEMU_OPTION_curses:
2970 #ifdef CONFIG_CURSES
2971 display_type = DT_CURSES;
2972 #else
2973 fprintf(stderr, "Curses support is disabled\n");
2974 exit(1);
2975 #endif
2976 break;
2977 case QEMU_OPTION_portrait:
2978 graphic_rotate = 90;
2979 break;
2980 case QEMU_OPTION_rotate:
2981 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2982 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2983 graphic_rotate != 180 && graphic_rotate != 270) {
2984 fprintf(stderr,
2985 "qemu: only 90, 180, 270 deg rotation is available\n");
2986 exit(1);
2987 }
2988 break;
2989 case QEMU_OPTION_kernel:
2990 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2991 break;
2992 case QEMU_OPTION_initrd:
2993 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2994 break;
2995 case QEMU_OPTION_append:
2996 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2997 break;
2998 case QEMU_OPTION_dtb:
2999 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3000 break;
3001 case QEMU_OPTION_cdrom:
3002 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3003 break;
3004 case QEMU_OPTION_boot:
3005 {
3006 static const char * const params[] = {
3007 "order", "once", "menu",
3008 "splash", "splash-time",
3009 "reboot-timeout", NULL
3010 };
3011 char buf[sizeof(boot_devices)];
3012 char *standard_boot_devices;
3013 int legacy = 0;
3014
3015 if (!strchr(optarg, '=')) {
3016 legacy = 1;
3017 pstrcpy(buf, sizeof(buf), optarg);
3018 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3019 fprintf(stderr,
3020 "qemu: unknown boot parameter '%s' in '%s'\n",
3021 buf, optarg);
3022 exit(1);
3023 }
3024
3025 if (legacy ||
3026 get_param_value(buf, sizeof(buf), "order", optarg)) {
3027 validate_bootdevices(buf);
3028 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3029 }
3030 if (!legacy) {
3031 if (get_param_value(buf, sizeof(buf),
3032 "once", optarg)) {
3033 validate_bootdevices(buf);
3034 standard_boot_devices = g_strdup(boot_devices);
3035 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3036 qemu_register_reset(restore_boot_devices,
3037 standard_boot_devices);
3038 }
3039 if (get_param_value(buf, sizeof(buf),
3040 "menu", optarg)) {
3041 if (!strcmp(buf, "on")) {
3042 boot_menu = 1;
3043 } else if (!strcmp(buf, "off")) {
3044 boot_menu = 0;
3045 } else {
3046 fprintf(stderr,
3047 "qemu: invalid option value '%s'\n",
3048 buf);
3049 exit(1);
3050 }
3051 }
3052 qemu_opts_parse(qemu_find_opts("boot-opts"),
3053 optarg, 0);
3054 }
3055 }
3056 break;
3057 case QEMU_OPTION_fda:
3058 case QEMU_OPTION_fdb:
3059 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3060 optarg, FD_OPTS);
3061 break;
3062 case QEMU_OPTION_no_fd_bootchk:
3063 fd_bootchk = 0;
3064 break;
3065 case QEMU_OPTION_netdev:
3066 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3067 exit(1);
3068 }
3069 break;
3070 case QEMU_OPTION_net:
3071 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3072 exit(1);
3073 }
3074 break;
3075 #ifdef CONFIG_LIBISCSI
3076 case QEMU_OPTION_iscsi:
3077 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3078 if (!opts) {
3079 exit(1);
3080 }
3081 break;
3082 #endif
3083 #ifdef CONFIG_SLIRP
3084 case QEMU_OPTION_tftp:
3085 legacy_tftp_prefix = optarg;
3086 break;
3087 case QEMU_OPTION_bootp:
3088 legacy_bootp_filename = optarg;
3089 break;
3090 case QEMU_OPTION_redir:
3091 if (net_slirp_redir(optarg) < 0)
3092 exit(1);
3093 break;
3094 #endif
3095 case QEMU_OPTION_bt:
3096 add_device_config(DEV_BT, optarg);
3097 break;
3098 case QEMU_OPTION_audio_help:
3099 if (!(audio_available())) {
3100 printf("Option %s not supported for this target\n", popt->name);
3101 exit(1);
3102 }
3103 AUD_help ();
3104 exit (0);
3105 break;
3106 case QEMU_OPTION_soundhw:
3107 if (!(audio_available())) {
3108 printf("Option %s not supported for this target\n", popt->name);
3109 exit(1);
3110 }
3111 select_soundhw (optarg);
3112 break;
3113 case QEMU_OPTION_h:
3114 help(0);
3115 break;
3116 case QEMU_OPTION_version:
3117 version();
3118 exit(0);
3119 break;
3120 case QEMU_OPTION_m: {
3121 int64_t value;
3122 uint64_t sz;
3123 char *end;
3124
3125 value = strtosz(optarg, &end);
3126 if (value < 0 || *end) {
3127 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3128 exit(1);
3129 }
3130 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3131 ram_size = sz;
3132 if (ram_size != sz) {
3133 fprintf(stderr, "qemu: ram size too large\n");
3134 exit(1);
3135 }
3136 break;
3137 }
3138 case QEMU_OPTION_mempath:
3139 mem_path = optarg;
3140 break;
3141 #ifdef MAP_POPULATE
3142 case QEMU_OPTION_mem_prealloc:
3143 mem_prealloc = 1;
3144 break;
3145 #endif
3146 case QEMU_OPTION_d:
3147 log_mask = optarg;
3148 break;
3149 case QEMU_OPTION_D:
3150 log_file = optarg;
3151 break;
3152 case QEMU_OPTION_s:
3153 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3154 break;
3155 case QEMU_OPTION_gdb:
3156 add_device_config(DEV_GDB, optarg);
3157 break;
3158 case QEMU_OPTION_L:
3159 data_dir = optarg;
3160 break;
3161 case QEMU_OPTION_bios:
3162 bios_name = optarg;
3163 break;
3164 case QEMU_OPTION_singlestep:
3165 singlestep = 1;
3166 break;
3167 case QEMU_OPTION_S:
3168 autostart = 0;
3169 break;
3170 case QEMU_OPTION_k:
3171 keyboard_layout = optarg;
3172 break;
3173 case QEMU_OPTION_localtime:
3174 rtc_utc = 0;
3175 break;
3176 case QEMU_OPTION_vga:
3177 vga_model = optarg;
3178 default_vga = 0;
3179 break;
3180 case QEMU_OPTION_g:
3181 {
3182 const char *p;
3183 int w, h, depth;
3184 p = optarg;
3185 w = strtol(p, (char **)&p, 10);
3186 if (w <= 0) {
3187 graphic_error:
3188 fprintf(stderr, "qemu: invalid resolution or depth\n");
3189 exit(1);
3190 }
3191 if (*p != 'x')
3192 goto graphic_error;
3193 p++;
3194 h = strtol(p, (char **)&p, 10);
3195 if (h <= 0)
3196 goto graphic_error;
3197 if (*p == 'x') {
3198 p++;
3199 depth = strtol(p, (char **)&p, 10);
3200 if (depth != 8 && depth != 15 && depth != 16 &&
3201 depth != 24 && depth != 32)
3202 goto graphic_error;
3203 } else if (*p == '\0') {
3204 depth = graphic_depth;
3205 } else {
3206 goto graphic_error;
3207 }
3208
3209 graphic_width = w;
3210 graphic_height = h;
3211 graphic_depth = depth;
3212 }
3213 break;
3214 case QEMU_OPTION_echr:
3215 {
3216 char *r;
3217 term_escape_char = strtol(optarg, &r, 0);
3218 if (r == optarg)
3219 printf("Bad argument to echr\n");
3220 break;
3221 }
3222 case QEMU_OPTION_monitor:
3223 monitor_parse(optarg, "readline");
3224 default_monitor = 0;
3225 break;
3226 case QEMU_OPTION_qmp:
3227 monitor_parse(optarg, "control");
3228 default_monitor = 0;
3229 break;
3230 case QEMU_OPTION_mon:
3231 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3232 if (!opts) {
3233 exit(1);
3234 }
3235 default_monitor = 0;
3236 break;
3237 case QEMU_OPTION_chardev:
3238 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3239 if (!opts) {
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_fsdev:
3244 olist = qemu_find_opts("fsdev");
3245 if (!olist) {
3246 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3247 exit(1);
3248 }
3249 opts = qemu_opts_parse(olist, optarg, 1);
3250 if (!opts) {
3251 fprintf(stderr, "parse error: %s\n", optarg);
3252 exit(1);
3253 }
3254 break;
3255 case QEMU_OPTION_virtfs: {
3256 QemuOpts *fsdev;
3257 QemuOpts *device;
3258 const char *writeout, *sock_fd, *socket;
3259
3260 olist = qemu_find_opts("virtfs");
3261 if (!olist) {
3262 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3263 exit(1);
3264 }
3265 opts = qemu_opts_parse(olist, optarg, 1);
3266 if (!opts) {
3267 fprintf(stderr, "parse error: %s\n", optarg);
3268 exit(1);
3269 }
3270
3271 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3272 qemu_opt_get(opts, "mount_tag") == NULL) {
3273 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3274 exit(1);
3275 }
3276 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3277 qemu_opt_get(opts, "mount_tag"),
3278 1, NULL);
3279 if (!fsdev) {
3280 fprintf(stderr, "duplicate fsdev id: %s\n",
3281 qemu_opt_get(opts, "mount_tag"));
3282 exit(1);
3283 }
3284
3285 writeout = qemu_opt_get(opts, "writeout");
3286 if (writeout) {
3287 #ifdef CONFIG_SYNC_FILE_RANGE
3288 qemu_opt_set(fsdev, "writeout", writeout);
3289 #else
3290 fprintf(stderr, "writeout=immediate not supported on "
3291 "this platform\n");
3292 exit(1);
3293 #endif
3294 }
3295 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3296 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3297 qemu_opt_set(fsdev, "security_model",
3298 qemu_opt_get(opts, "security_model"));
3299 socket = qemu_opt_get(opts, "socket");
3300 if (socket) {
3301 qemu_opt_set(fsdev, "socket", socket);
3302 }
3303 sock_fd = qemu_opt_get(opts, "sock_fd");
3304 if (sock_fd) {
3305 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3306 }
3307
3308 qemu_opt_set_bool(fsdev, "readonly",
3309 qemu_opt_get_bool(opts, "readonly", 0));
3310 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3311 qemu_opt_set(device, "driver", "virtio-9p-pci");
3312 qemu_opt_set(device, "fsdev",
3313 qemu_opt_get(opts, "mount_tag"));
3314 qemu_opt_set(device, "mount_tag",
3315 qemu_opt_get(opts, "mount_tag"));
3316 break;
3317 }
3318 case QEMU_OPTION_virtfs_synth: {
3319 QemuOpts *fsdev;
3320 QemuOpts *device;
3321
3322 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3323 1, NULL);
3324 if (!fsdev) {
3325 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3326 exit(1);
3327 }
3328 qemu_opt_set(fsdev, "fsdriver", "synth");
3329
3330 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3331 qemu_opt_set(device, "driver", "virtio-9p-pci");
3332 qemu_opt_set(device, "fsdev", "v_synth");
3333 qemu_opt_set(device, "mount_tag", "v_synth");
3334 break;
3335 }
3336 case QEMU_OPTION_serial:
3337 add_device_config(DEV_SERIAL, optarg);
3338 default_serial = 0;
3339 if (strncmp(optarg, "mon:", 4) == 0) {
3340 default_monitor = 0;
3341 }
3342 break;
3343 case QEMU_OPTION_watchdog:
3344 if (watchdog) {
3345 fprintf(stderr,
3346 "qemu: only one watchdog option may be given\n");
3347 return 1;
3348 }
3349 watchdog = optarg;
3350 break;
3351 case QEMU_OPTION_watchdog_action:
3352 if (select_watchdog_action(optarg) == -1) {
3353 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3354 exit(1);
3355 }
3356 break;
3357 case QEMU_OPTION_virtiocon:
3358 add_device_config(DEV_VIRTCON, optarg);
3359 default_virtcon = 0;
3360 if (strncmp(optarg, "mon:", 4) == 0) {
3361 default_monitor = 0;
3362 }
3363 break;
3364 case QEMU_OPTION_parallel:
3365 add_device_config(DEV_PARALLEL, optarg);
3366 default_parallel = 0;
3367 if (strncmp(optarg, "mon:", 4) == 0) {
3368 default_monitor = 0;
3369 }
3370 break;
3371 case QEMU_OPTION_debugcon:
3372 add_device_config(DEV_DEBUGCON, optarg);
3373 break;
3374 case QEMU_OPTION_loadvm:
3375 loadvm = optarg;
3376 break;
3377 case QEMU_OPTION_full_screen:
3378 full_screen = 1;
3379 break;
3380 #ifdef CONFIG_SDL
3381 case QEMU_OPTION_no_frame:
3382 no_frame = 1;
3383 break;
3384 case QEMU_OPTION_alt_grab:
3385 alt_grab = 1;
3386 break;
3387 case QEMU_OPTION_ctrl_grab:
3388 ctrl_grab = 1;
3389 break;
3390 case QEMU_OPTION_no_quit:
3391 no_quit = 1;
3392 break;
3393 case QEMU_OPTION_sdl:
3394 display_type = DT_SDL;
3395 break;
3396 #else
3397 case QEMU_OPTION_no_frame:
3398 case QEMU_OPTION_alt_grab:
3399 case QEMU_OPTION_ctrl_grab:
3400 case QEMU_OPTION_no_quit:
3401 case QEMU_OPTION_sdl:
3402 fprintf(stderr, "SDL support is disabled\n");
3403 exit(1);
3404 #endif
3405 case QEMU_OPTION_pidfile:
3406 pid_file = optarg;
3407 break;
3408 case QEMU_OPTION_win2k_hack:
3409 win2k_install_hack = 1;
3410 break;
3411 case QEMU_OPTION_rtc_td_hack: {
3412 static GlobalProperty slew_lost_ticks[] = {
3413 {
3414 .driver = "mc146818rtc",
3415 .property = "lost_tick_policy",
3416 .value = "slew",
3417 },
3418 { /* end of list */ }
3419 };
3420
3421 qdev_prop_register_global_list(slew_lost_ticks);
3422 break;
3423 }
3424 case QEMU_OPTION_acpitable:
3425 do_acpitable_option(optarg);
3426 break;
3427 case QEMU_OPTION_smbios:
3428 do_smbios_option(optarg);
3429 break;
3430 case QEMU_OPTION_enable_kvm:
3431 olist = qemu_find_opts("machine");
3432 qemu_opts_parse(olist, "accel=kvm", 0);
3433 break;
3434 case QEMU_OPTION_machine:
3435 olist = qemu_find_opts("machine");
3436 opts = qemu_opts_parse(olist, optarg, 1);
3437 if (!opts) {
3438 fprintf(stderr, "parse error: %s\n", optarg);
3439 exit(1);
3440 }
3441 optarg = qemu_opt_get(opts, "type");
3442 if (optarg) {
3443 machine = machine_parse(optarg);
3444 }
3445 break;
3446 case QEMU_OPTION_no_kvm:
3447 olist = qemu_find_opts("machine");
3448 qemu_opts_parse(olist, "accel=tcg", 0);
3449 break;
3450 case QEMU_OPTION_no_kvm_pit: {
3451 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3452 "separately.\n");
3453 break;
3454 }
3455 case QEMU_OPTION_no_kvm_pit_reinjection: {
3456 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3457 {
3458 .driver = "kvm-pit",
3459 .property = "lost_tick_policy",
3460 .value = "discard",
3461 },
3462 { /* end of list */ }
3463 };
3464
3465 fprintf(stderr, "Warning: option deprecated, use "
3466 "lost_tick_policy property of kvm-pit instead.\n");
3467 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3468 break;
3469 }
3470 case QEMU_OPTION_usb:
3471 olist = qemu_find_opts("machine");
3472 qemu_opts_parse(olist, "usb=on", 0);
3473 break;
3474 case QEMU_OPTION_usbdevice:
3475 olist = qemu_find_opts("machine");
3476 qemu_opts_parse(olist, "usb=on", 0);
3477 add_device_config(DEV_USB, optarg);
3478 break;
3479 case QEMU_OPTION_device:
3480 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3481 exit(1);
3482 }
3483 break;
3484 case QEMU_OPTION_smp:
3485 smp_parse(optarg);
3486 if (smp_cpus < 1) {
3487 fprintf(stderr, "Invalid number of CPUs\n");
3488 exit(1);
3489 }
3490 if (max_cpus < smp_cpus) {
3491 fprintf(stderr, "maxcpus must be equal to or greater than "
3492 "smp\n");
3493 exit(1);
3494 }
3495 if (max_cpus > 255) {
3496 fprintf(stderr, "Unsupported number of maxcpus\n");
3497 exit(1);
3498 }
3499 break;
3500 case QEMU_OPTION_vnc:
3501 #ifdef CONFIG_VNC
3502 display_remote++;
3503 vnc_display = optarg;
3504 #else
3505 fprintf(stderr, "VNC support is disabled\n");
3506 exit(1);
3507 #endif
3508 break;
3509 case QEMU_OPTION_no_acpi:
3510 acpi_enabled = 0;
3511 break;
3512 case QEMU_OPTION_no_hpet:
3513 no_hpet = 1;
3514 break;
3515 case QEMU_OPTION_balloon:
3516 if (balloon_parse(optarg) < 0) {
3517 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3518 exit(1);
3519 }
3520 break;
3521 case QEMU_OPTION_no_reboot:
3522 no_reboot = 1;
3523 break;
3524 case QEMU_OPTION_no_shutdown:
3525 no_shutdown = 1;
3526 break;
3527 case QEMU_OPTION_show_cursor:
3528 cursor_hide = 0;
3529 break;
3530 case QEMU_OPTION_uuid:
3531 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3532 fprintf(stderr, "Fail to parse UUID string."
3533 " Wrong format.\n");
3534 exit(1);
3535 }
3536 break;
3537 case QEMU_OPTION_option_rom:
3538 if (nb_option_roms >= MAX_OPTION_ROMS) {
3539 fprintf(stderr, "Too many option ROMs\n");
3540 exit(1);
3541 }
3542 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3543 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3544 option_rom[nb_option_roms].bootindex =
3545 qemu_opt_get_number(opts, "bootindex", -1);
3546 if (!option_rom[nb_option_roms].name) {
3547 fprintf(stderr, "Option ROM file is not specified\n");
3548 exit(1);
3549 }
3550 nb_option_roms++;
3551 break;
3552 case QEMU_OPTION_semihosting:
3553 semihosting_enabled = 1;
3554 break;
3555 case QEMU_OPTION_tdf:
3556 fprintf(stderr, "Warning: user space PIT time drift fix "
3557 "is no longer supported.\n");
3558 break;
3559 case QEMU_OPTION_name:
3560 qemu_name = g_strdup(optarg);
3561 {
3562 char *p = strchr(qemu_name, ',');
3563 if (p != NULL) {
3564 *p++ = 0;
3565 if (strncmp(p, "process=", 8)) {
3566 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3567 exit(1);
3568 }
3569 p += 8;
3570 os_set_proc_name(p);
3571 }
3572 }
3573 break;
3574 case QEMU_OPTION_prom_env:
3575 if (nb_prom_envs >= MAX_PROM_ENVS) {
3576 fprintf(stderr, "Too many prom variables\n");
3577 exit(1);
3578 }
3579 prom_envs[nb_prom_envs] = optarg;
3580 nb_prom_envs++;
3581 break;
3582 case QEMU_OPTION_old_param:
3583 old_param = 1;
3584 break;
3585 case QEMU_OPTION_clock:
3586 configure_alarms(optarg);
3587 break;
3588 case QEMU_OPTION_startdate:
3589 configure_rtc_date_offset(optarg, 1);
3590 break;
3591 case QEMU_OPTION_rtc:
3592 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3593 if (!opts) {
3594 exit(1);
3595 }
3596 configure_rtc(opts);
3597 break;
3598 case QEMU_OPTION_tb_size:
3599 tcg_tb_size = strtol(optarg, NULL, 0);
3600 if (tcg_tb_size < 0) {
3601 tcg_tb_size = 0;
3602 }
3603 break;
3604 case QEMU_OPTION_icount:
3605 icount_option = optarg;
3606 break;
3607 case QEMU_OPTION_incoming:
3608 incoming = optarg;
3609 runstate_set(RUN_STATE_INMIGRATE);
3610 break;
3611 case QEMU_OPTION_nodefaults:
3612 default_serial = 0;
3613 default_parallel = 0;
3614 default_virtcon = 0;
3615 default_monitor = 0;
3616 default_net = 0;
3617 default_floppy = 0;
3618 default_cdrom = 0;
3619 default_sdcard = 0;
3620 default_vga = 0;
3621 break;
3622 case QEMU_OPTION_xen_domid:
3623 if (!(xen_available())) {
3624 printf("Option %s not supported for this target\n", popt->name);
3625 exit(1);
3626 }
3627 xen_domid = atoi(optarg);
3628 break;
3629 case QEMU_OPTION_xen_create:
3630 if (!(xen_available())) {
3631 printf("Option %s not supported for this target\n", popt->name);
3632 exit(1);
3633 }
3634 xen_mode = XEN_CREATE;
3635 break;
3636 case QEMU_OPTION_xen_attach:
3637 if (!(xen_available())) {
3638 printf("Option %s not supported for this target\n", popt->name);
3639 exit(1);
3640 }
3641 xen_mode = XEN_ATTACH;
3642 break;
3643 case QEMU_OPTION_trace:
3644 {
3645 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3646 if (!opts) {
3647 exit(1);
3648 }
3649 trace_events = qemu_opt_get(opts, "events");
3650 trace_file = qemu_opt_get(opts, "file");
3651 break;
3652 }
3653 case QEMU_OPTION_readconfig:
3654 {
3655 int ret = qemu_read_config_file(optarg);
3656 if (ret < 0) {
3657 fprintf(stderr, "read config %s: %s\n", optarg,
3658 strerror(-ret));
3659 exit(1);
3660 }
3661 break;
3662 }
3663 case QEMU_OPTION_spice:
3664 olist = qemu_find_opts("spice");
3665 if (!olist) {
3666 fprintf(stderr, "spice is not supported by this qemu build.\n");
3667 exit(1);
3668 }
3669 opts = qemu_opts_parse(olist, optarg, 0);
3670 if (!opts) {
3671 fprintf(stderr, "parse error: %s\n", optarg);
3672 exit(1);
3673 }
3674 break;
3675 case QEMU_OPTION_writeconfig:
3676 {
3677 FILE *fp;
3678 if (strcmp(optarg, "-") == 0) {
3679 fp = stdout;
3680 } else {
3681 fp = fopen(optarg, "w");
3682 if (fp == NULL) {
3683 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3684 exit(1);
3685 }
3686 }
3687 qemu_config_write(fp);
3688 fclose(fp);
3689 break;
3690 }
3691 case QEMU_OPTION_qtest:
3692 qtest_chrdev = optarg;
3693 break;
3694 case QEMU_OPTION_qtest_log:
3695 qtest_log = optarg;
3696 break;
3697 case QEMU_OPTION_sandbox:
3698 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3699 if (!opts) {
3700 exit(0);
3701 }
3702 break;
3703 case QEMU_OPTION_add_fd:
3704 #ifndef _WIN32
3705 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3706 if (!opts) {
3707 exit(0);
3708 }
3709 #else
3710 error_report("File descriptor passing is disabled on this "
3711 "platform");
3712 exit(1);
3713 #endif
3714 break;
3715 case QEMU_OPTION_object:
3716 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3717 break;
3718 default:
3719 os_parse_cmd_args(popt->index, optarg);
3720 }
3721 }
3722 }
3723 loc_set_none();
3724
3725 if (qemu_init_main_loop()) {
3726 fprintf(stderr, "qemu_init_main_loop failed\n");
3727 exit(1);
3728 }
3729
3730 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3731 exit(1);
3732 }
3733
3734 #ifndef _WIN32
3735 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3736 exit(1);
3737 }
3738
3739 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3740 exit(1);
3741 }
3742 #endif
3743
3744 if (machine == NULL) {
3745 fprintf(stderr, "No machine found.\n");
3746 exit(1);
3747 }
3748
3749 if (machine->hw_version) {
3750 qemu_set_version(machine->hw_version);
3751 }
3752
3753 if (qemu_opts_foreach(qemu_find_opts("object"),
3754 object_create, NULL, 0) != 0) {
3755 exit(1);
3756 }
3757
3758 /* Init CPU def lists, based on config
3759 * - Must be called after all the qemu_read_config_file() calls
3760 * - Must be called before list_cpus()
3761 * - Must be called before machine->init()
3762 */
3763 cpudef_init();
3764
3765 if (cpu_model && is_help_option(cpu_model)) {
3766 list_cpus(stdout, &fprintf, cpu_model);
3767 exit(0);
3768 }
3769
3770 /* Open the logfile at this point, if necessary. We can't open the logfile
3771 * when encountering either of the logging options (-d or -D) because the
3772 * other one may be encountered later on the command line, changing the
3773 * location or level of logging.
3774 */
3775 if (log_mask) {
3776 if (log_file) {
3777 set_cpu_log_filename(log_file);
3778 }
3779 set_cpu_log(log_mask);
3780 }
3781
3782 if (!trace_backend_init(trace_events, trace_file)) {
3783 exit(1);
3784 }
3785
3786 /* If no data_dir is specified then try to find it relative to the
3787 executable path. */
3788 if (!data_dir) {
3789 data_dir = os_find_datadir(argv[0]);
3790 }
3791 /* If all else fails use the install path specified when building. */
3792 if (!data_dir) {
3793 data_dir = CONFIG_QEMU_DATADIR;
3794 }
3795
3796 /*
3797 * Default to max_cpus = smp_cpus, in case the user doesn't
3798 * specify a max_cpus value.
3799 */
3800 if (!max_cpus)
3801 max_cpus = smp_cpus;
3802
3803 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3804 if (smp_cpus > machine->max_cpus) {
3805 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3806 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3807 machine->max_cpus);
3808 exit(1);
3809 }
3810
3811 /*
3812 * Get the default machine options from the machine if it is not already
3813 * specified either by the configuration file or by the command line.
3814 */
3815 if (machine->default_machine_opts) {
3816 qemu_opts_set_defaults(qemu_find_opts("machine"),
3817 machine->default_machine_opts, 0);
3818 }
3819
3820 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3821 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3822
3823 if (machine->no_serial) {
3824 default_serial = 0;
3825 }
3826 if (machine->no_parallel) {
3827 default_parallel = 0;
3828 }
3829 if (!machine->use_virtcon) {
3830 default_virtcon = 0;
3831 }
3832 if (machine->no_floppy) {
3833 default_floppy = 0;
3834 }
3835 if (machine->no_cdrom) {
3836 default_cdrom = 0;
3837 }
3838 if (machine->no_sdcard) {
3839 default_sdcard = 0;
3840 }
3841
3842 if (is_daemonized()) {
3843 /* According to documentation and historically, -nographic redirects
3844 * serial port, parallel port and monitor to stdio, which does not work
3845 * with -daemonize. We can redirect these to null instead, but since
3846 * -nographic is legacy, let's just error out.
3847 * We disallow -nographic only if all other ports are not redirected
3848 * explicitly, to not break existing legacy setups which uses
3849 * -nographic _and_ redirects all ports explicitly - this is valid
3850 * usage, -nographic is just a no-op in this case.
3851 */
3852 if (display_type == DT_NOGRAPHIC
3853 && (default_parallel || default_serial
3854 || default_monitor || default_virtcon)) {
3855 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3856 exit(1);
3857 }
3858 #ifdef CONFIG_CURSES
3859 if (display_type == DT_CURSES) {
3860 fprintf(stderr, "curses display can not be used with -daemonize\n");
3861 exit(1);
3862 }
3863 #endif
3864 }
3865
3866 if (display_type == DT_NOGRAPHIC) {
3867 if (default_parallel)
3868 add_device_config(DEV_PARALLEL, "null");
3869 if (default_serial && default_monitor) {
3870 add_device_config(DEV_SERIAL, "mon:stdio");
3871 } else if (default_virtcon && default_monitor) {
3872 add_device_config(DEV_VIRTCON, "mon:stdio");
3873 } else {
3874 if (default_serial)
3875 add_device_config(DEV_SERIAL, "stdio");
3876 if (default_virtcon)
3877 add_device_config(DEV_VIRTCON, "stdio");
3878 if (default_monitor)
3879 monitor_parse("stdio", "readline");
3880 }
3881 } else {
3882 if (default_serial)
3883 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3884 if (default_parallel)
3885 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3886 if (default_monitor)
3887 monitor_parse("vc:80Cx24C", "readline");
3888 if (default_virtcon)
3889 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3890 }
3891
3892 socket_init();
3893
3894 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3895 exit(1);
3896 #ifdef CONFIG_VIRTFS
3897 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3898 exit(1);
3899 }
3900 #endif
3901
3902 os_daemonize();
3903
3904 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3905 os_pidfile_error();
3906 exit(1);
3907 }
3908
3909 /* init the memory */
3910 if (ram_size == 0) {
3911 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3912 }
3913
3914 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3915 != 0) {
3916 exit(0);
3917 }
3918
3919 configure_accelerator();
3920
3921 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3922 if (machine_opts) {
3923 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3924 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3925 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3926 } else {
3927 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3928 }
3929
3930 if (!kernel_cmdline) {
3931 kernel_cmdline = "";
3932 }
3933
3934 linux_boot = (kernel_filename != NULL);
3935
3936 if (!linux_boot && *kernel_cmdline != '\0') {
3937 fprintf(stderr, "-append only allowed with -kernel option\n");
3938 exit(1);
3939 }
3940
3941 if (!linux_boot && initrd_filename != NULL) {
3942 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3943 exit(1);
3944 }
3945
3946 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3947 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3948 exit(1);
3949 }
3950
3951 os_set_line_buffering();
3952
3953 qemu_init_cpu_loop();
3954 qemu_mutex_lock_iothread();
3955
3956 #ifdef CONFIG_SPICE
3957 /* spice needs the timers to be initialized by this point */
3958 qemu_spice_init();
3959 #endif
3960
3961 if (icount_option && (kvm_enabled() || xen_enabled())) {
3962 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3963 exit(1);
3964 }
3965 configure_icount(icount_option);
3966
3967 /* clean up network at qemu process termination */
3968 atexit(&net_cleanup);
3969
3970 if (net_init_clients() < 0) {
3971 exit(1);
3972 }
3973
3974 /* init the bluetooth world */
3975 if (foreach_device_config(DEV_BT, bt_parse))
3976 exit(1);
3977
3978 if (!xen_enabled()) {
3979 /* On 32-bit hosts, QEMU is limited by virtual address space */
3980 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3981 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3982 exit(1);
3983 }
3984 }
3985
3986 cpu_exec_init_all();
3987
3988 bdrv_init_with_whitelist();
3989
3990 blk_mig_init();
3991
3992 /* open the virtual block devices */
3993 if (snapshot)
3994 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3995 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
3996 &machine->block_default_type, 1) != 0) {
3997 exit(1);
3998 }
3999
4000 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4001 CDROM_OPTS);
4002 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4003 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4004
4005 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4006
4007 if (nb_numa_nodes > 0) {
4008 int i;
4009
4010 if (nb_numa_nodes > MAX_NODES) {
4011 nb_numa_nodes = MAX_NODES;
4012 }
4013
4014 /* If no memory size if given for any node, assume the default case
4015 * and distribute the available memory equally across all nodes
4016 */
4017 for (i = 0; i < nb_numa_nodes; i++) {
4018 if (node_mem[i] != 0)
4019 break;
4020 }
4021 if (i == nb_numa_nodes) {
4022 uint64_t usedmem = 0;
4023
4024 /* On Linux, the each node's border has to be 8MB aligned,
4025 * the final node gets the rest.
4026 */
4027 for (i = 0; i < nb_numa_nodes - 1; i++) {
4028 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4029 usedmem += node_mem[i];
4030 }
4031 node_mem[i] = ram_size - usedmem;
4032 }
4033
4034 for (i = 0; i < nb_numa_nodes; i++) {
4035 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4036 break;
4037 }
4038 }
4039 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4040 * must cope with this anyway, because there are BIOSes out there in
4041 * real machines which also use this scheme.
4042 */
4043 if (i == nb_numa_nodes) {
4044 for (i = 0; i < max_cpus; i++) {
4045 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4046 }
4047 }
4048 }
4049
4050 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4051 exit(1);
4052 }
4053
4054 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4055 exit(1);
4056 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4057 exit(1);
4058 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4059 exit(1);
4060 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4061 exit(1);
4062
4063 /* If no default VGA is requested, the default is "none". */
4064 if (default_vga) {
4065 if (cirrus_vga_available()) {
4066 vga_model = "cirrus";
4067 } else if (vga_available()) {
4068 vga_model = "std";
4069 }
4070 }
4071 select_vgahw(vga_model);
4072
4073 if (watchdog) {
4074 i = select_watchdog(watchdog);
4075 if (i > 0)
4076 exit (i == 1 ? 1 : 0);
4077 }
4078
4079 if (machine->compat_props) {
4080 qdev_prop_register_global_list(machine->compat_props);
4081 }
4082 qemu_add_globals();
4083
4084 qdev_machine_init();
4085
4086 QEMUMachineInitArgs args = { .ram_size = ram_size,
4087 .boot_device = boot_devices,
4088 .kernel_filename = kernel_filename,
4089 .kernel_cmdline = kernel_cmdline,
4090 .initrd_filename = initrd_filename,
4091 .cpu_model = cpu_model };
4092 machine->init(&args);
4093
4094 cpu_synchronize_all_post_init();
4095
4096 set_numa_modes();
4097
4098 current_machine = machine;
4099
4100 /* init USB devices */
4101 if (usb_enabled(false)) {
4102 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4103 exit(1);
4104 }
4105
4106 /* init generic devices */
4107 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4108 exit(1);
4109
4110 net_check_clients();
4111
4112 /* just use the first displaystate for the moment */
4113 ds = get_displaystate();
4114
4115 if (using_spice)
4116 display_remote++;
4117 if (display_type == DT_DEFAULT && !display_remote) {
4118 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4119 display_type = DT_SDL;
4120 #elif defined(CONFIG_VNC)
4121 vnc_display = "localhost:0,to=99";
4122 show_vnc_port = 1;
4123 #else
4124 display_type = DT_NONE;
4125 #endif
4126 }
4127
4128
4129 /* init local displays */
4130 switch (display_type) {
4131 case DT_NOGRAPHIC:
4132 break;
4133 #if defined(CONFIG_CURSES)
4134 case DT_CURSES:
4135 curses_display_init(ds, full_screen);
4136 break;
4137 #endif
4138 #if defined(CONFIG_SDL)
4139 case DT_SDL:
4140 sdl_display_init(ds, full_screen, no_frame);
4141 break;
4142 #elif defined(CONFIG_COCOA)
4143 case DT_SDL:
4144 cocoa_display_init(ds, full_screen);
4145 break;
4146 #endif
4147 default:
4148 break;
4149 }
4150
4151 /* must be after terminal init, SDL library changes signal handlers */
4152 os_setup_signal_handling();
4153
4154 #ifdef CONFIG_VNC
4155 /* init remote displays */
4156 if (vnc_display) {
4157 Error *local_err = NULL;
4158 vnc_display_init(ds);
4159 vnc_display_open(ds, vnc_display, &local_err);
4160 if (local_err != NULL) {
4161 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4162 vnc_display, error_get_pretty(local_err));
4163 error_free(local_err);
4164 exit(1);
4165 }
4166
4167 if (show_vnc_port) {
4168 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4169 }
4170 }
4171 #endif
4172 #ifdef CONFIG_SPICE
4173 if (using_spice && !qxl_enabled) {
4174 qemu_spice_display_init(ds);
4175 }
4176 #endif
4177
4178 /* display setup */
4179 text_consoles_set_display(ds);
4180
4181 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4182 exit(1);
4183 }
4184
4185 qdev_machine_creation_done();
4186
4187 if (rom_load_all() != 0) {
4188 fprintf(stderr, "rom loading failed\n");
4189 exit(1);
4190 }
4191
4192 /* TODO: once all bus devices are qdevified, this should be done
4193 * when bus is created by qdev.c */
4194 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4195 qemu_run_machine_init_done_notifiers();
4196
4197 qemu_system_reset(VMRESET_SILENT);
4198 if (loadvm) {
4199 if (load_vmstate(loadvm) < 0) {
4200 autostart = 0;
4201 }
4202 }
4203
4204 if (incoming) {
4205 Error *local_err = NULL;
4206 qemu_start_incoming_migration(incoming, &local_err);
4207 if (local_err) {
4208 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4209 error_free(local_err);
4210 exit(1);
4211 }
4212 } else if (autostart) {
4213 vm_start();
4214 }
4215
4216 os_setup_post();
4217
4218 resume_all_vcpus();
4219 main_loop();
4220 bdrv_close_all();
4221 pause_all_vcpus();
4222 res_free();
4223
4224 return 0;
4225 }
Ray Wang's QEMU Repository