]> git.proxmox.com Git - mirror_qemu.git/blob - vl.c
projects / mirror_qemu.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
vl.c: Fix off-by-one bug when handling "-numa node" argument
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #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 #define MAX_SCLP_CONSOLES 1
180
181 static const char *data_dir;
182 const char *bios_name = NULL;
183 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
184 DisplayType display_type = DT_DEFAULT;
185 static int display_remote;
186 const char* keyboard_layout = NULL;
187 ram_addr_t ram_size;
188 const char *mem_path = NULL;
189 #ifdef MAP_POPULATE
190 int mem_prealloc = 0; /* force preallocation of physical target memory */
191 #endif
192 int nb_nics;
193 NICInfo nd_table[MAX_NICS];
194 int autostart;
195 static int rtc_utc = 1;
196 static int rtc_date_offset = -1; /* -1 means no change */
197 QEMUClock *rtc_clock;
198 int vga_interface_type = VGA_NONE;
199 static int full_screen = 0;
200 #ifdef CONFIG_SDL
201 static int no_frame = 0;
202 #endif
203 int no_quit = 0;
204 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208 int win2k_install_hack = 0;
209 int singlestep = 0;
210 int smp_cpus = 1;
211 int max_cpus = 0;
212 int smp_cores = 1;
213 int smp_threads = 1;
214 #ifdef CONFIG_VNC
215 const char *vnc_display;
216 #endif
217 int acpi_enabled = 1;
218 int no_hpet = 0;
219 int fd_bootchk = 1;
220 static int no_reboot;
221 int no_shutdown = 0;
222 int cursor_hide = 1;
223 int graphic_rotate = 0;
224 const char *watchdog;
225 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226 int nb_option_roms;
227 int semihosting_enabled = 0;
228 int old_param = 0;
229 const char *qemu_name;
230 int alt_grab = 0;
231 int ctrl_grab = 0;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
234 int boot_menu;
235 uint8_t *boot_splash_filedata;
236 size_t boot_splash_filedata_size;
237 uint8_t qemu_extra_params_fw[2];
238
239 typedef struct FWBootEntry FWBootEntry;
240
241 struct FWBootEntry {
242 QTAILQ_ENTRY(FWBootEntry) link;
243 int32_t bootindex;
244 DeviceState *dev;
245 char *suffix;
246 };
247
248 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
249 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
250
251 int nb_numa_nodes;
252 uint64_t node_mem[MAX_NODES];
253 unsigned long *node_cpumask[MAX_NODES];
254
255 uint8_t qemu_uuid[16];
256
257 static QEMUBootSetHandler *boot_set_handler;
258 static void *boot_set_opaque;
259
260 static NotifierList exit_notifiers =
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
262
263 static NotifierList machine_init_done_notifiers =
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
265
266 static bool tcg_allowed = true;
267 bool kvm_allowed;
268 bool xen_allowed;
269 uint32_t xen_domid;
270 enum xen_mode xen_mode = XEN_EMULATE;
271 static int tcg_tb_size;
272
273 static int default_serial = 1;
274 static int default_parallel = 1;
275 static int default_virtcon = 1;
276 static int default_sclp = 1;
277 static int default_monitor = 1;
278 static int default_floppy = 1;
279 static int default_cdrom = 1;
280 static int default_sdcard = 1;
281 static int default_vga = 1;
282
283 static struct {
284 const char *driver;
285 int *flag;
286 } default_list[] = {
287 { .driver = "isa-serial", .flag = &default_serial },
288 { .driver = "isa-parallel", .flag = &default_parallel },
289 { .driver = "isa-fdc", .flag = &default_floppy },
290 { .driver = "ide-cd", .flag = &default_cdrom },
291 { .driver = "ide-hd", .flag = &default_cdrom },
292 { .driver = "ide-drive", .flag = &default_cdrom },
293 { .driver = "scsi-cd", .flag = &default_cdrom },
294 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
295 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
296 { .driver = "virtio-serial", .flag = &default_virtcon },
297 { .driver = "VGA", .flag = &default_vga },
298 { .driver = "isa-vga", .flag = &default_vga },
299 { .driver = "cirrus-vga", .flag = &default_vga },
300 { .driver = "isa-cirrus-vga", .flag = &default_vga },
301 { .driver = "vmware-svga", .flag = &default_vga },
302 { .driver = "qxl-vga", .flag = &default_vga },
303 };
304
305 static QemuOptsList qemu_rtc_opts = {
306 .name = "rtc",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308 .desc = {
309 {
310 .name = "base",
311 .type = QEMU_OPT_STRING,
312 },{
313 .name = "clock",
314 .type = QEMU_OPT_STRING,
315 },{
316 .name = "driftfix",
317 .type = QEMU_OPT_STRING,
318 },
319 { /* end of list */ }
320 },
321 };
322
323 static QemuOptsList qemu_sandbox_opts = {
324 .name = "sandbox",
325 .implied_opt_name = "enable",
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327 .desc = {
328 {
329 .name = "enable",
330 .type = QEMU_OPT_BOOL,
331 },
332 { /* end of list */ }
333 },
334 };
335
336 static QemuOptsList qemu_trace_opts = {
337 .name = "trace",
338 .implied_opt_name = "trace",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340 .desc = {
341 {
342 .name = "events",
343 .type = QEMU_OPT_STRING,
344 },{
345 .name = "file",
346 .type = QEMU_OPT_STRING,
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_option_rom_opts = {
353 .name = "option-rom",
354 .implied_opt_name = "romfile",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356 .desc = {
357 {
358 .name = "bootindex",
359 .type = QEMU_OPT_NUMBER,
360 }, {
361 .name = "romfile",
362 .type = QEMU_OPT_STRING,
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_machine_opts = {
369 .name = "machine",
370 .implied_opt_name = "type",
371 .merge_lists = true,
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373 .desc = {
374 {
375 .name = "type",
376 .type = QEMU_OPT_STRING,
377 .help = "emulated machine"
378 }, {
379 .name = "accel",
380 .type = QEMU_OPT_STRING,
381 .help = "accelerator list",
382 }, {
383 .name = "kernel_irqchip",
384 .type = QEMU_OPT_BOOL,
385 .help = "use KVM in-kernel irqchip",
386 }, {
387 .name = "kvm_shadow_mem",
388 .type = QEMU_OPT_SIZE,
389 .help = "KVM shadow MMU size",
390 }, {
391 .name = "kernel",
392 .type = QEMU_OPT_STRING,
393 .help = "Linux kernel image file",
394 }, {
395 .name = "initrd",
396 .type = QEMU_OPT_STRING,
397 .help = "Linux initial ramdisk file",
398 }, {
399 .name = "append",
400 .type = QEMU_OPT_STRING,
401 .help = "Linux kernel command line",
402 }, {
403 .name = "dtb",
404 .type = QEMU_OPT_STRING,
405 .help = "Linux kernel device tree file",
406 }, {
407 .name = "dumpdtb",
408 .type = QEMU_OPT_STRING,
409 .help = "Dump current dtb to a file and quit",
410 }, {
411 .name = "phandle_start",
412 .type = QEMU_OPT_STRING,
413 .help = "The first phandle ID we may generate dynamically",
414 }, {
415 .name = "dt_compatible",
416 .type = QEMU_OPT_STRING,
417 .help = "Overrides the \"compatible\" property of the dt root node",
418 }, {
419 .name = "dump-guest-core",
420 .type = QEMU_OPT_BOOL,
421 .help = "Include guest memory in a core dump",
422 }, {
423 .name = "mem-merge",
424 .type = QEMU_OPT_BOOL,
425 .help = "enable/disable memory merge support",
426 },{
427 .name = "usb",
428 .type = QEMU_OPT_BOOL,
429 .help = "Set on/off to enable/disable usb",
430 },
431 { /* End of list */ }
432 },
433 };
434
435 static QemuOptsList qemu_boot_opts = {
436 .name = "boot-opts",
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
438 .desc = {
439 /* the three names below are not used now */
440 {
441 .name = "order",
442 .type = QEMU_OPT_STRING,
443 }, {
444 .name = "once",
445 .type = QEMU_OPT_STRING,
446 }, {
447 .name = "menu",
448 .type = QEMU_OPT_STRING,
449 /* following are really used */
450 }, {
451 .name = "splash",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
459 },
460 { /*End of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_add_fd_opts = {
465 .name = "add-fd",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
467 .desc = {
468 {
469 .name = "fd",
470 .type = QEMU_OPT_NUMBER,
471 .help = "file descriptor of which a duplicate is added to fd set",
472 },{
473 .name = "set",
474 .type = QEMU_OPT_NUMBER,
475 .help = "ID of the fd set to add fd to",
476 },{
477 .name = "opaque",
478 .type = QEMU_OPT_STRING,
479 .help = "free-form string used to describe fd",
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_object_opts = {
486 .name = "object",
487 .implied_opt_name = "qom-type",
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
489 .desc = {
490 { }
491 },
492 };
493
494 const char *qemu_get_vm_name(void)
495 {
496 return qemu_name;
497 }
498
499 static void res_free(void)
500 {
501 if (boot_splash_filedata != NULL) {
502 g_free(boot_splash_filedata);
503 boot_splash_filedata = NULL;
504 }
505 }
506
507 static int default_driver_check(QemuOpts *opts, void *opaque)
508 {
509 const char *driver = qemu_opt_get(opts, "driver");
510 int i;
511
512 if (!driver)
513 return 0;
514 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
515 if (strcmp(default_list[i].driver, driver) != 0)
516 continue;
517 *(default_list[i].flag) = 0;
518 }
519 return 0;
520 }
521
522 /***********************************************************/
523 /* QEMU state */
524
525 static RunState current_run_state = RUN_STATE_PRELAUNCH;
526
527 typedef struct {
528 RunState from;
529 RunState to;
530 } RunStateTransition;
531
532 static const RunStateTransition runstate_transitions_def[] = {
533 /* from -> to */
534 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
535
536 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
537 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
538
539 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
540 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
541
542 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
543 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
544
545 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
546 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
547
548 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
549 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
550
551 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
552 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
553 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
554
555 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
557
558 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
559
560 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
561 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
562 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
563 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
564 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
565 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
566 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
567 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
568 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
569
570 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
571
572 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
573 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
576 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
577 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
578 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
581 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_MAX, RUN_STATE_MAX },
584 };
585
586 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
587
588 bool runstate_check(RunState state)
589 {
590 return current_run_state == state;
591 }
592
593 static void runstate_init(void)
594 {
595 const RunStateTransition *p;
596
597 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
598
599 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
600 runstate_valid_transitions[p->from][p->to] = true;
601 }
602 }
603
604 /* This function will abort() on invalid state transitions */
605 void runstate_set(RunState new_state)
606 {
607 assert(new_state < RUN_STATE_MAX);
608
609 if (!runstate_valid_transitions[current_run_state][new_state]) {
610 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
611 RunState_lookup[current_run_state],
612 RunState_lookup[new_state]);
613 abort();
614 }
615
616 current_run_state = new_state;
617 }
618
619 int runstate_is_running(void)
620 {
621 return runstate_check(RUN_STATE_RUNNING);
622 }
623
624 StatusInfo *qmp_query_status(Error **errp)
625 {
626 StatusInfo *info = g_malloc0(sizeof(*info));
627
628 info->running = runstate_is_running();
629 info->singlestep = singlestep;
630 info->status = current_run_state;
631
632 return info;
633 }
634
635 /***********************************************************/
636 /* real time host monotonic timer */
637
638 /***********************************************************/
639 /* host time/date access */
640 void qemu_get_timedate(struct tm *tm, int offset)
641 {
642 time_t ti;
643
644 time(&ti);
645 ti += offset;
646 if (rtc_date_offset == -1) {
647 if (rtc_utc)
648 gmtime_r(&ti, tm);
649 else
650 localtime_r(&ti, tm);
651 } else {
652 ti -= rtc_date_offset;
653 gmtime_r(&ti, tm);
654 }
655 }
656
657 int qemu_timedate_diff(struct tm *tm)
658 {
659 time_t seconds;
660
661 if (rtc_date_offset == -1)
662 if (rtc_utc)
663 seconds = mktimegm(tm);
664 else {
665 struct tm tmp = *tm;
666 tmp.tm_isdst = -1; /* use timezone to figure it out */
667 seconds = mktime(&tmp);
668 }
669 else
670 seconds = mktimegm(tm) + rtc_date_offset;
671
672 return seconds - time(NULL);
673 }
674
675 void rtc_change_mon_event(struct tm *tm)
676 {
677 QObject *data;
678
679 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
680 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
681 qobject_decref(data);
682 }
683
684 static void configure_rtc_date_offset(const char *startdate, int legacy)
685 {
686 time_t rtc_start_date;
687 struct tm tm;
688
689 if (!strcmp(startdate, "now") && legacy) {
690 rtc_date_offset = -1;
691 } else {
692 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
693 &tm.tm_year,
694 &tm.tm_mon,
695 &tm.tm_mday,
696 &tm.tm_hour,
697 &tm.tm_min,
698 &tm.tm_sec) == 6) {
699 /* OK */
700 } else if (sscanf(startdate, "%d-%d-%d",
701 &tm.tm_year,
702 &tm.tm_mon,
703 &tm.tm_mday) == 3) {
704 tm.tm_hour = 0;
705 tm.tm_min = 0;
706 tm.tm_sec = 0;
707 } else {
708 goto date_fail;
709 }
710 tm.tm_year -= 1900;
711 tm.tm_mon--;
712 rtc_start_date = mktimegm(&tm);
713 if (rtc_start_date == -1) {
714 date_fail:
715 fprintf(stderr, "Invalid date format. Valid formats are:\n"
716 "'2006-06-17T16:01:21' or '2006-06-17'\n");
717 exit(1);
718 }
719 rtc_date_offset = time(NULL) - rtc_start_date;
720 }
721 }
722
723 static void configure_rtc(QemuOpts *opts)
724 {
725 const char *value;
726
727 value = qemu_opt_get(opts, "base");
728 if (value) {
729 if (!strcmp(value, "utc")) {
730 rtc_utc = 1;
731 } else if (!strcmp(value, "localtime")) {
732 rtc_utc = 0;
733 } else {
734 configure_rtc_date_offset(value, 0);
735 }
736 }
737 value = qemu_opt_get(opts, "clock");
738 if (value) {
739 if (!strcmp(value, "host")) {
740 rtc_clock = host_clock;
741 } else if (!strcmp(value, "rt")) {
742 rtc_clock = rt_clock;
743 } else if (!strcmp(value, "vm")) {
744 rtc_clock = vm_clock;
745 } else {
746 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
747 exit(1);
748 }
749 }
750 value = qemu_opt_get(opts, "driftfix");
751 if (value) {
752 if (!strcmp(value, "slew")) {
753 static GlobalProperty slew_lost_ticks[] = {
754 {
755 .driver = "mc146818rtc",
756 .property = "lost_tick_policy",
757 .value = "slew",
758 },
759 { /* end of list */ }
760 };
761
762 qdev_prop_register_global_list(slew_lost_ticks);
763 } else if (!strcmp(value, "none")) {
764 /* discard is default */
765 } else {
766 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
767 exit(1);
768 }
769 }
770 }
771
772 /***********************************************************/
773 /* Bluetooth support */
774 static int nb_hcis;
775 static int cur_hci;
776 static struct HCIInfo *hci_table[MAX_NICS];
777
778 static struct bt_vlan_s {
779 struct bt_scatternet_s net;
780 int id;
781 struct bt_vlan_s *next;
782 } *first_bt_vlan;
783
784 /* find or alloc a new bluetooth "VLAN" */
785 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
786 {
787 struct bt_vlan_s **pvlan, *vlan;
788 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
789 if (vlan->id == id)
790 return &vlan->net;
791 }
792 vlan = g_malloc0(sizeof(struct bt_vlan_s));
793 vlan->id = id;
794 pvlan = &first_bt_vlan;
795 while (*pvlan != NULL)
796 pvlan = &(*pvlan)->next;
797 *pvlan = vlan;
798 return &vlan->net;
799 }
800
801 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
802 {
803 }
804
805 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
806 {
807 return -ENOTSUP;
808 }
809
810 static struct HCIInfo null_hci = {
811 .cmd_send = null_hci_send,
812 .sco_send = null_hci_send,
813 .acl_send = null_hci_send,
814 .bdaddr_set = null_hci_addr_set,
815 };
816
817 struct HCIInfo *qemu_next_hci(void)
818 {
819 if (cur_hci == nb_hcis)
820 return &null_hci;
821
822 return hci_table[cur_hci++];
823 }
824
825 static struct HCIInfo *hci_init(const char *str)
826 {
827 char *endp;
828 struct bt_scatternet_s *vlan = 0;
829
830 if (!strcmp(str, "null"))
831 /* null */
832 return &null_hci;
833 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
834 /* host[:hciN] */
835 return bt_host_hci(str[4] ? str + 5 : "hci0");
836 else if (!strncmp(str, "hci", 3)) {
837 /* hci[,vlan=n] */
838 if (str[3]) {
839 if (!strncmp(str + 3, ",vlan=", 6)) {
840 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
841 if (*endp)
842 vlan = 0;
843 }
844 } else
845 vlan = qemu_find_bt_vlan(0);
846 if (vlan)
847 return bt_new_hci(vlan);
848 }
849
850 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
851
852 return 0;
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 /*********QEMU USB setting******/
984 bool usb_enabled(bool default_usb)
985 {
986 QemuOpts *mach_opts;
987 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
988 if (mach_opts) {
989 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
990 }
991 return default_usb;
992 }
993
994 #ifndef _WIN32
995 static int parse_add_fd(QemuOpts *opts, void *opaque)
996 {
997 int fd, dupfd, flags;
998 int64_t fdset_id;
999 const char *fd_opaque = NULL;
1000
1001 fd = qemu_opt_get_number(opts, "fd", -1);
1002 fdset_id = qemu_opt_get_number(opts, "set", -1);
1003 fd_opaque = qemu_opt_get(opts, "opaque");
1004
1005 if (fd < 0) {
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1007 "fd option is required and must be non-negative");
1008 return -1;
1009 }
1010
1011 if (fd <= STDERR_FILENO) {
1012 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1013 "fd cannot be a standard I/O stream");
1014 return -1;
1015 }
1016
1017 /*
1018 * All fds inherited across exec() necessarily have FD_CLOEXEC
1019 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1020 */
1021 flags = fcntl(fd, F_GETFD);
1022 if (flags == -1 || (flags & FD_CLOEXEC)) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd is not valid or already in use");
1025 return -1;
1026 }
1027
1028 if (fdset_id < 0) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "set option is required and must be non-negative");
1031 return -1;
1032 }
1033
1034 #ifdef F_DUPFD_CLOEXEC
1035 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1036 #else
1037 dupfd = dup(fd);
1038 if (dupfd != -1) {
1039 qemu_set_cloexec(dupfd);
1040 }
1041 #endif
1042 if (dupfd == -1) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "Error duplicating fd: %s", strerror(errno));
1045 return -1;
1046 }
1047
1048 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1049 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1050 fd_opaque, NULL);
1051
1052 return 0;
1053 }
1054
1055 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1056 {
1057 int fd;
1058
1059 fd = qemu_opt_get_number(opts, "fd", -1);
1060 close(fd);
1061
1062 return 0;
1063 }
1064 #endif
1065
1066 /***********************************************************/
1067 /* QEMU Block devices */
1068
1069 #define HD_OPTS "media=disk"
1070 #define CDROM_OPTS "media=cdrom"
1071 #define FD_OPTS ""
1072 #define PFLASH_OPTS ""
1073 #define MTD_OPTS ""
1074 #define SD_OPTS ""
1075
1076 static int drive_init_func(QemuOpts *opts, void *opaque)
1077 {
1078 BlockInterfaceType *block_default_type = opaque;
1079
1080 return drive_init(opts, *block_default_type) == NULL;
1081 }
1082
1083 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1084 {
1085 if (NULL == qemu_opt_get(opts, "snapshot")) {
1086 qemu_opt_set(opts, "snapshot", "on");
1087 }
1088 return 0;
1089 }
1090
1091 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1092 int index, const char *optstr)
1093 {
1094 QemuOpts *opts;
1095
1096 if (!enable || drive_get_by_index(type, index)) {
1097 return;
1098 }
1099
1100 opts = drive_add(type, index, NULL, optstr);
1101 if (snapshot) {
1102 drive_enable_snapshot(opts, NULL);
1103 }
1104 if (!drive_init(opts, type)) {
1105 exit(1);
1106 }
1107 }
1108
1109 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1110 {
1111 boot_set_handler = func;
1112 boot_set_opaque = opaque;
1113 }
1114
1115 int qemu_boot_set(const char *boot_devices)
1116 {
1117 if (!boot_set_handler) {
1118 return -EINVAL;
1119 }
1120 return boot_set_handler(boot_set_opaque, boot_devices);
1121 }
1122
1123 static void validate_bootdevices(char *devices)
1124 {
1125 /* We just do some generic consistency checks */
1126 const char *p;
1127 int bitmap = 0;
1128
1129 for (p = devices; *p != '\0'; p++) {
1130 /* Allowed boot devices are:
1131 * a-b: floppy disk drives
1132 * c-f: IDE disk drives
1133 * g-m: machine implementation dependent drives
1134 * n-p: network devices
1135 * It's up to each machine implementation to check if the given boot
1136 * devices match the actual hardware implementation and firmware
1137 * features.
1138 */
1139 if (*p < 'a' || *p > 'p') {
1140 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1141 exit(1);
1142 }
1143 if (bitmap & (1 << (*p - 'a'))) {
1144 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1145 exit(1);
1146 }
1147 bitmap |= 1 << (*p - 'a');
1148 }
1149 }
1150
1151 static void restore_boot_devices(void *opaque)
1152 {
1153 char *standard_boot_devices = opaque;
1154 static int first = 1;
1155
1156 /* Restore boot order and remove ourselves after the first boot */
1157 if (first) {
1158 first = 0;
1159 return;
1160 }
1161
1162 qemu_boot_set(standard_boot_devices);
1163
1164 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1165 g_free(standard_boot_devices);
1166 }
1167
1168 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1169 const char *suffix)
1170 {
1171 FWBootEntry *node, *i;
1172
1173 if (bootindex < 0) {
1174 return;
1175 }
1176
1177 assert(dev != NULL || suffix != NULL);
1178
1179 node = g_malloc0(sizeof(FWBootEntry));
1180 node->bootindex = bootindex;
1181 node->suffix = suffix ? g_strdup(suffix) : NULL;
1182 node->dev = dev;
1183
1184 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1185 if (i->bootindex == bootindex) {
1186 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1187 exit(1);
1188 } else if (i->bootindex < bootindex) {
1189 continue;
1190 }
1191 QTAILQ_INSERT_BEFORE(i, node, link);
1192 return;
1193 }
1194 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1195 }
1196
1197 /*
1198 * This function returns null terminated string that consist of new line
1199 * separated device paths.
1200 *
1201 * memory pointed by "size" is assigned total length of the array in bytes
1202 *
1203 */
1204 char *get_boot_devices_list(size_t *size)
1205 {
1206 FWBootEntry *i;
1207 size_t total = 0;
1208 char *list = NULL;
1209
1210 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1211 char *devpath = NULL, *bootpath;
1212 size_t len;
1213
1214 if (i->dev) {
1215 devpath = qdev_get_fw_dev_path(i->dev);
1216 assert(devpath);
1217 }
1218
1219 if (i->suffix && devpath) {
1220 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1221
1222 bootpath = g_malloc(bootpathlen);
1223 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1224 g_free(devpath);
1225 } else if (devpath) {
1226 bootpath = devpath;
1227 } else {
1228 assert(i->suffix);
1229 bootpath = g_strdup(i->suffix);
1230 }
1231
1232 if (total) {
1233 list[total-1] = '\n';
1234 }
1235 len = strlen(bootpath) + 1;
1236 list = g_realloc(list, total + len);
1237 memcpy(&list[total], bootpath, len);
1238 total += len;
1239 g_free(bootpath);
1240 }
1241
1242 *size = total;
1243
1244 return list;
1245 }
1246
1247 static void numa_add(const char *optarg)
1248 {
1249 char option[128];
1250 char *endptr;
1251 unsigned long long value, endvalue;
1252 int nodenr;
1253
1254 value = endvalue = 0ULL;
1255
1256 optarg = get_opt_name(option, 128, optarg, ',');
1257 if (*optarg == ',') {
1258 optarg++;
1259 }
1260 if (!strcmp(option, "node")) {
1261 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1262 nodenr = nb_numa_nodes;
1263 } else {
1264 nodenr = strtoull(option, NULL, 10);
1265 }
1266
1267 if (get_param_value(option, 128, "mem", optarg) == 0) {
1268 node_mem[nodenr] = 0;
1269 } else {
1270 int64_t sval;
1271 sval = strtosz(option, &endptr);
1272 if (sval < 0 || *endptr) {
1273 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1274 exit(1);
1275 }
1276 node_mem[nodenr] = sval;
1277 }
1278 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1279 value = strtoull(option, &endptr, 10);
1280 if (*endptr == '-') {
1281 endvalue = strtoull(endptr+1, &endptr, 10);
1282 } else {
1283 endvalue = value;
1284 }
1285
1286 if (!(endvalue < MAX_CPUMASK_BITS)) {
1287 endvalue = MAX_CPUMASK_BITS - 1;
1288 fprintf(stderr,
1289 "A max of %d CPUs are supported in a guest\n",
1290 MAX_CPUMASK_BITS);
1291 }
1292
1293 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1294 }
1295 nb_numa_nodes++;
1296 }
1297 }
1298
1299 static void smp_parse(const char *optarg)
1300 {
1301 int smp, sockets = 0, threads = 0, cores = 0;
1302 char *endptr;
1303 char option[128];
1304
1305 smp = strtoul(optarg, &endptr, 10);
1306 if (endptr != optarg) {
1307 if (*endptr == ',') {
1308 endptr++;
1309 }
1310 }
1311 if (get_param_value(option, 128, "sockets", endptr) != 0)
1312 sockets = strtoull(option, NULL, 10);
1313 if (get_param_value(option, 128, "cores", endptr) != 0)
1314 cores = strtoull(option, NULL, 10);
1315 if (get_param_value(option, 128, "threads", endptr) != 0)
1316 threads = strtoull(option, NULL, 10);
1317 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1318 max_cpus = strtoull(option, NULL, 10);
1319
1320 /* compute missing values, prefer sockets over cores over threads */
1321 if (smp == 0 || sockets == 0) {
1322 sockets = sockets > 0 ? sockets : 1;
1323 cores = cores > 0 ? cores : 1;
1324 threads = threads > 0 ? threads : 1;
1325 if (smp == 0) {
1326 smp = cores * threads * sockets;
1327 }
1328 } else {
1329 if (cores == 0) {
1330 threads = threads > 0 ? threads : 1;
1331 cores = smp / (sockets * threads);
1332 } else {
1333 threads = smp / (cores * sockets);
1334 }
1335 }
1336 smp_cpus = smp;
1337 smp_cores = cores > 0 ? cores : 1;
1338 smp_threads = threads > 0 ? threads : 1;
1339 if (max_cpus == 0)
1340 max_cpus = smp_cpus;
1341 }
1342
1343 /***********************************************************/
1344 /* USB devices */
1345
1346 static int usb_device_add(const char *devname)
1347 {
1348 const char *p;
1349 USBDevice *dev = NULL;
1350
1351 if (!usb_enabled(false)) {
1352 return -1;
1353 }
1354
1355 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1356 dev = usbdevice_create(devname);
1357 if (dev)
1358 goto done;
1359
1360 /* the other ones */
1361 #ifndef CONFIG_LINUX
1362 /* only the linux version is qdev-ified, usb-bsd still needs this */
1363 if (strstart(devname, "host:", &p)) {
1364 dev = usb_host_device_open(usb_bus_find(-1), p);
1365 } else
1366 #endif
1367 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1368 dev = usb_bt_init(usb_bus_find(-1),
1369 devname[2] ? hci_init(p)
1370 : bt_new_hci(qemu_find_bt_vlan(0)));
1371 } else {
1372 return -1;
1373 }
1374 if (!dev)
1375 return -1;
1376
1377 done:
1378 return 0;
1379 }
1380
1381 static int usb_device_del(const char *devname)
1382 {
1383 int bus_num, addr;
1384 const char *p;
1385
1386 if (strstart(devname, "host:", &p))
1387 return usb_host_device_close(p);
1388
1389 if (!usb_enabled(false)) {
1390 return -1;
1391 }
1392
1393 p = strchr(devname, '.');
1394 if (!p)
1395 return -1;
1396 bus_num = strtoul(devname, NULL, 0);
1397 addr = strtoul(p + 1, NULL, 0);
1398
1399 return usb_device_delete_addr(bus_num, addr);
1400 }
1401
1402 static int usb_parse(const char *cmdline)
1403 {
1404 int r;
1405 r = usb_device_add(cmdline);
1406 if (r < 0) {
1407 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1408 }
1409 return r;
1410 }
1411
1412 void do_usb_add(Monitor *mon, const QDict *qdict)
1413 {
1414 const char *devname = qdict_get_str(qdict, "devname");
1415 if (usb_device_add(devname) < 0) {
1416 error_report("could not add USB device '%s'", devname);
1417 }
1418 }
1419
1420 void do_usb_del(Monitor *mon, const QDict *qdict)
1421 {
1422 const char *devname = qdict_get_str(qdict, "devname");
1423 if (usb_device_del(devname) < 0) {
1424 error_report("could not delete USB device '%s'", devname);
1425 }
1426 }
1427
1428 /***********************************************************/
1429 /* PCMCIA/Cardbus */
1430
1431 static struct pcmcia_socket_entry_s {
1432 PCMCIASocket *socket;
1433 struct pcmcia_socket_entry_s *next;
1434 } *pcmcia_sockets = 0;
1435
1436 void pcmcia_socket_register(PCMCIASocket *socket)
1437 {
1438 struct pcmcia_socket_entry_s *entry;
1439
1440 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1441 entry->socket = socket;
1442 entry->next = pcmcia_sockets;
1443 pcmcia_sockets = entry;
1444 }
1445
1446 void pcmcia_socket_unregister(PCMCIASocket *socket)
1447 {
1448 struct pcmcia_socket_entry_s *entry, **ptr;
1449
1450 ptr = &pcmcia_sockets;
1451 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1452 if (entry->socket == socket) {
1453 *ptr = entry->next;
1454 g_free(entry);
1455 }
1456 }
1457
1458 void pcmcia_info(Monitor *mon, const QDict *qdict)
1459 {
1460 struct pcmcia_socket_entry_s *iter;
1461
1462 if (!pcmcia_sockets)
1463 monitor_printf(mon, "No PCMCIA sockets\n");
1464
1465 for (iter = pcmcia_sockets; iter; iter = iter->next)
1466 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1467 iter->socket->attached ? iter->socket->card_string :
1468 "Empty");
1469 }
1470
1471 /***********************************************************/
1472 /* machine registration */
1473
1474 static QEMUMachine *first_machine = NULL;
1475 QEMUMachine *current_machine = NULL;
1476
1477 int qemu_register_machine(QEMUMachine *m)
1478 {
1479 QEMUMachine **pm;
1480 pm = &first_machine;
1481 while (*pm != NULL)
1482 pm = &(*pm)->next;
1483 m->next = NULL;
1484 *pm = m;
1485 return 0;
1486 }
1487
1488 static QEMUMachine *find_machine(const char *name)
1489 {
1490 QEMUMachine *m;
1491
1492 for(m = first_machine; m != NULL; m = m->next) {
1493 if (!strcmp(m->name, name))
1494 return m;
1495 if (m->alias && !strcmp(m->alias, name))
1496 return m;
1497 }
1498 return NULL;
1499 }
1500
1501 QEMUMachine *find_default_machine(void)
1502 {
1503 QEMUMachine *m;
1504
1505 for(m = first_machine; m != NULL; m = m->next) {
1506 if (m->is_default) {
1507 return m;
1508 }
1509 }
1510 return NULL;
1511 }
1512
1513 MachineInfoList *qmp_query_machines(Error **errp)
1514 {
1515 MachineInfoList *mach_list = NULL;
1516 QEMUMachine *m;
1517
1518 for (m = first_machine; m; m = m->next) {
1519 MachineInfoList *entry;
1520 MachineInfo *info;
1521
1522 info = g_malloc0(sizeof(*info));
1523 if (m->is_default) {
1524 info->has_is_default = true;
1525 info->is_default = true;
1526 }
1527
1528 if (m->alias) {
1529 info->has_alias = true;
1530 info->alias = g_strdup(m->alias);
1531 }
1532
1533 info->name = g_strdup(m->name);
1534
1535 entry = g_malloc0(sizeof(*entry));
1536 entry->value = info;
1537 entry->next = mach_list;
1538 mach_list = entry;
1539 }
1540
1541 return mach_list;
1542 }
1543
1544 /***********************************************************/
1545 /* main execution loop */
1546
1547 static void gui_update(void *opaque)
1548 {
1549 uint64_t interval = GUI_REFRESH_INTERVAL;
1550 DisplayState *ds = opaque;
1551 DisplayChangeListener *dcl;
1552
1553 dpy_refresh(ds);
1554
1555 QLIST_FOREACH(dcl, &ds->listeners, next) {
1556 if (dcl->gui_timer_interval &&
1557 dcl->gui_timer_interval < interval)
1558 interval = dcl->gui_timer_interval;
1559 }
1560 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1561 }
1562
1563 void gui_setup_refresh(DisplayState *ds)
1564 {
1565 DisplayChangeListener *dcl;
1566 bool need_timer = false;
1567 bool have_gfx = false;
1568 bool have_text = false;
1569
1570 QLIST_FOREACH(dcl, &ds->listeners, next) {
1571 if (dcl->dpy_refresh != NULL) {
1572 need_timer = true;
1573 }
1574 if (dcl->dpy_gfx_update != NULL) {
1575 have_gfx = true;
1576 }
1577 if (dcl->dpy_text_update != NULL) {
1578 have_text = true;
1579 }
1580 }
1581
1582 if (need_timer && ds->gui_timer == NULL) {
1583 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1584 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1585 }
1586 if (!need_timer && ds->gui_timer != NULL) {
1587 qemu_del_timer(ds->gui_timer);
1588 qemu_free_timer(ds->gui_timer);
1589 ds->gui_timer = NULL;
1590 }
1591
1592 ds->have_gfx = have_gfx;
1593 ds->have_text = have_text;
1594 }
1595
1596 struct vm_change_state_entry {
1597 VMChangeStateHandler *cb;
1598 void *opaque;
1599 QLIST_ENTRY (vm_change_state_entry) entries;
1600 };
1601
1602 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1603
1604 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1605 void *opaque)
1606 {
1607 VMChangeStateEntry *e;
1608
1609 e = g_malloc0(sizeof (*e));
1610
1611 e->cb = cb;
1612 e->opaque = opaque;
1613 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1614 return e;
1615 }
1616
1617 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1618 {
1619 QLIST_REMOVE (e, entries);
1620 g_free (e);
1621 }
1622
1623 void vm_state_notify(int running, RunState state)
1624 {
1625 VMChangeStateEntry *e;
1626
1627 trace_vm_state_notify(running, state);
1628
1629 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1630 e->cb(e->opaque, running, state);
1631 }
1632 }
1633
1634 void vm_start(void)
1635 {
1636 if (!runstate_is_running()) {
1637 cpu_enable_ticks();
1638 runstate_set(RUN_STATE_RUNNING);
1639 vm_state_notify(1, RUN_STATE_RUNNING);
1640 resume_all_vcpus();
1641 monitor_protocol_event(QEVENT_RESUME, NULL);
1642 }
1643 }
1644
1645 /* reset/shutdown handler */
1646
1647 typedef struct QEMUResetEntry {
1648 QTAILQ_ENTRY(QEMUResetEntry) entry;
1649 QEMUResetHandler *func;
1650 void *opaque;
1651 } QEMUResetEntry;
1652
1653 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1654 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1655 static int reset_requested;
1656 static int shutdown_requested, shutdown_signal = -1;
1657 static pid_t shutdown_pid;
1658 static int powerdown_requested;
1659 static int debug_requested;
1660 static int suspend_requested;
1661 static int wakeup_requested;
1662 static NotifierList powerdown_notifiers =
1663 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1664 static NotifierList suspend_notifiers =
1665 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1666 static NotifierList wakeup_notifiers =
1667 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1668 static uint32_t wakeup_reason_mask = ~0;
1669 static RunState vmstop_requested = RUN_STATE_MAX;
1670
1671 int qemu_shutdown_requested_get(void)
1672 {
1673 return shutdown_requested;
1674 }
1675
1676 int qemu_reset_requested_get(void)
1677 {
1678 return reset_requested;
1679 }
1680
1681 static int qemu_shutdown_requested(void)
1682 {
1683 int r = shutdown_requested;
1684 shutdown_requested = 0;
1685 return r;
1686 }
1687
1688 static void qemu_kill_report(void)
1689 {
1690 if (!qtest_enabled() && shutdown_signal != -1) {
1691 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1692 if (shutdown_pid == 0) {
1693 /* This happens for eg ^C at the terminal, so it's worth
1694 * avoiding printing an odd message in that case.
1695 */
1696 fputc('\n', stderr);
1697 } else {
1698 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1699 }
1700 shutdown_signal = -1;
1701 }
1702 }
1703
1704 static int qemu_reset_requested(void)
1705 {
1706 int r = reset_requested;
1707 reset_requested = 0;
1708 return r;
1709 }
1710
1711 static int qemu_suspend_requested(void)
1712 {
1713 int r = suspend_requested;
1714 suspend_requested = 0;
1715 return r;
1716 }
1717
1718 static int qemu_wakeup_requested(void)
1719 {
1720 int r = wakeup_requested;
1721 wakeup_requested = 0;
1722 return r;
1723 }
1724
1725 static int qemu_powerdown_requested(void)
1726 {
1727 int r = powerdown_requested;
1728 powerdown_requested = 0;
1729 return r;
1730 }
1731
1732 static int qemu_debug_requested(void)
1733 {
1734 int r = debug_requested;
1735 debug_requested = 0;
1736 return r;
1737 }
1738
1739 /* We use RUN_STATE_MAX but any invalid value will do */
1740 static bool qemu_vmstop_requested(RunState *r)
1741 {
1742 if (vmstop_requested < RUN_STATE_MAX) {
1743 *r = vmstop_requested;
1744 vmstop_requested = RUN_STATE_MAX;
1745 return true;
1746 }
1747
1748 return false;
1749 }
1750
1751 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1752 {
1753 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1754
1755 re->func = func;
1756 re->opaque = opaque;
1757 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1758 }
1759
1760 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1761 {
1762 QEMUResetEntry *re;
1763
1764 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1765 if (re->func == func && re->opaque == opaque) {
1766 QTAILQ_REMOVE(&reset_handlers, re, entry);
1767 g_free(re);
1768 return;
1769 }
1770 }
1771 }
1772
1773 void qemu_devices_reset(void)
1774 {
1775 QEMUResetEntry *re, *nre;
1776
1777 /* reset all devices */
1778 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1779 re->func(re->opaque);
1780 }
1781 }
1782
1783 void qemu_system_reset(bool report)
1784 {
1785 if (current_machine && current_machine->reset) {
1786 current_machine->reset();
1787 } else {
1788 qemu_devices_reset();
1789 }
1790 if (report) {
1791 monitor_protocol_event(QEVENT_RESET, NULL);
1792 }
1793 cpu_synchronize_all_post_reset();
1794 }
1795
1796 void qemu_system_reset_request(void)
1797 {
1798 if (no_reboot) {
1799 shutdown_requested = 1;
1800 } else {
1801 reset_requested = 1;
1802 }
1803 cpu_stop_current();
1804 qemu_notify_event();
1805 }
1806
1807 static void qemu_system_suspend(void)
1808 {
1809 pause_all_vcpus();
1810 notifier_list_notify(&suspend_notifiers, NULL);
1811 runstate_set(RUN_STATE_SUSPENDED);
1812 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1813 }
1814
1815 void qemu_system_suspend_request(void)
1816 {
1817 if (runstate_check(RUN_STATE_SUSPENDED)) {
1818 return;
1819 }
1820 suspend_requested = 1;
1821 cpu_stop_current();
1822 qemu_notify_event();
1823 }
1824
1825 void qemu_register_suspend_notifier(Notifier *notifier)
1826 {
1827 notifier_list_add(&suspend_notifiers, notifier);
1828 }
1829
1830 void qemu_system_wakeup_request(WakeupReason reason)
1831 {
1832 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1833 return;
1834 }
1835 if (!(wakeup_reason_mask & (1 << reason))) {
1836 return;
1837 }
1838 runstate_set(RUN_STATE_RUNNING);
1839 notifier_list_notify(&wakeup_notifiers, &reason);
1840 wakeup_requested = 1;
1841 qemu_notify_event();
1842 }
1843
1844 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1845 {
1846 if (enabled) {
1847 wakeup_reason_mask |= (1 << reason);
1848 } else {
1849 wakeup_reason_mask &= ~(1 << reason);
1850 }
1851 }
1852
1853 void qemu_register_wakeup_notifier(Notifier *notifier)
1854 {
1855 notifier_list_add(&wakeup_notifiers, notifier);
1856 }
1857
1858 void qemu_system_killed(int signal, pid_t pid)
1859 {
1860 shutdown_signal = signal;
1861 shutdown_pid = pid;
1862 no_shutdown = 0;
1863 qemu_system_shutdown_request();
1864 }
1865
1866 void qemu_system_shutdown_request(void)
1867 {
1868 shutdown_requested = 1;
1869 qemu_notify_event();
1870 }
1871
1872 static void qemu_system_powerdown(void)
1873 {
1874 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1875 notifier_list_notify(&powerdown_notifiers, NULL);
1876 }
1877
1878 void qemu_system_powerdown_request(void)
1879 {
1880 powerdown_requested = 1;
1881 qemu_notify_event();
1882 }
1883
1884 void qemu_register_powerdown_notifier(Notifier *notifier)
1885 {
1886 notifier_list_add(&powerdown_notifiers, notifier);
1887 }
1888
1889 void qemu_system_debug_request(void)
1890 {
1891 debug_requested = 1;
1892 qemu_notify_event();
1893 }
1894
1895 void qemu_system_vmstop_request(RunState state)
1896 {
1897 vmstop_requested = state;
1898 qemu_notify_event();
1899 }
1900
1901 static bool main_loop_should_exit(void)
1902 {
1903 RunState r;
1904 if (qemu_debug_requested()) {
1905 vm_stop(RUN_STATE_DEBUG);
1906 }
1907 if (qemu_suspend_requested()) {
1908 qemu_system_suspend();
1909 }
1910 if (qemu_shutdown_requested()) {
1911 qemu_kill_report();
1912 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1913 if (no_shutdown) {
1914 vm_stop(RUN_STATE_SHUTDOWN);
1915 } else {
1916 return true;
1917 }
1918 }
1919 if (qemu_reset_requested()) {
1920 pause_all_vcpus();
1921 cpu_synchronize_all_states();
1922 qemu_system_reset(VMRESET_REPORT);
1923 resume_all_vcpus();
1924 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1925 runstate_check(RUN_STATE_SHUTDOWN)) {
1926 runstate_set(RUN_STATE_PAUSED);
1927 }
1928 }
1929 if (qemu_wakeup_requested()) {
1930 pause_all_vcpus();
1931 cpu_synchronize_all_states();
1932 qemu_system_reset(VMRESET_SILENT);
1933 resume_all_vcpus();
1934 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1935 }
1936 if (qemu_powerdown_requested()) {
1937 qemu_system_powerdown();
1938 }
1939 if (qemu_vmstop_requested(&r)) {
1940 vm_stop(r);
1941 }
1942 return false;
1943 }
1944
1945 static void main_loop(void)
1946 {
1947 bool nonblocking;
1948 int last_io = 0;
1949 #ifdef CONFIG_PROFILER
1950 int64_t ti;
1951 #endif
1952 do {
1953 nonblocking = !kvm_enabled() && last_io > 0;
1954 #ifdef CONFIG_PROFILER
1955 ti = profile_getclock();
1956 #endif
1957 last_io = main_loop_wait(nonblocking);
1958 #ifdef CONFIG_PROFILER
1959 dev_time += profile_getclock() - ti;
1960 #endif
1961 } while (!main_loop_should_exit());
1962 }
1963
1964 static void version(void)
1965 {
1966 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1967 }
1968
1969 static void help(int exitcode)
1970 {
1971 version();
1972 printf("usage: %s [options] [disk_image]\n\n"
1973 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1974 error_get_progname());
1975
1976 #define QEMU_OPTIONS_GENERATE_HELP
1977 #include "qemu-options-wrapper.h"
1978
1979 printf("\nDuring emulation, the following keys are useful:\n"
1980 "ctrl-alt-f toggle full screen\n"
1981 "ctrl-alt-n switch to virtual console 'n'\n"
1982 "ctrl-alt toggle mouse and keyboard grab\n"
1983 "\n"
1984 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1985
1986 exit(exitcode);
1987 }
1988
1989 #define HAS_ARG 0x0001
1990
1991 typedef struct QEMUOption {
1992 const char *name;
1993 int flags;
1994 int index;
1995 uint32_t arch_mask;
1996 } QEMUOption;
1997
1998 static const QEMUOption qemu_options[] = {
1999 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2000 #define QEMU_OPTIONS_GENERATE_OPTIONS
2001 #include "qemu-options-wrapper.h"
2002 { NULL },
2003 };
2004
2005 static bool vga_available(void)
2006 {
2007 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2008 }
2009
2010 static bool cirrus_vga_available(void)
2011 {
2012 return object_class_by_name("cirrus-vga")
2013 || object_class_by_name("isa-cirrus-vga");
2014 }
2015
2016 static bool vmware_vga_available(void)
2017 {
2018 return object_class_by_name("vmware-svga");
2019 }
2020
2021 static bool qxl_vga_available(void)
2022 {
2023 return object_class_by_name("qxl-vga");
2024 }
2025
2026 static void select_vgahw (const char *p)
2027 {
2028 const char *opts;
2029
2030 vga_interface_type = VGA_NONE;
2031 if (strstart(p, "std", &opts)) {
2032 if (vga_available()) {
2033 vga_interface_type = VGA_STD;
2034 } else {
2035 fprintf(stderr, "Error: standard VGA not available\n");
2036 exit(0);
2037 }
2038 } else if (strstart(p, "cirrus", &opts)) {
2039 if (cirrus_vga_available()) {
2040 vga_interface_type = VGA_CIRRUS;
2041 } else {
2042 fprintf(stderr, "Error: Cirrus VGA not available\n");
2043 exit(0);
2044 }
2045 } else if (strstart(p, "vmware", &opts)) {
2046 if (vmware_vga_available()) {
2047 vga_interface_type = VGA_VMWARE;
2048 } else {
2049 fprintf(stderr, "Error: VMWare SVGA not available\n");
2050 exit(0);
2051 }
2052 } else if (strstart(p, "xenfb", &opts)) {
2053 vga_interface_type = VGA_XENFB;
2054 } else if (strstart(p, "qxl", &opts)) {
2055 if (qxl_vga_available()) {
2056 vga_interface_type = VGA_QXL;
2057 } else {
2058 fprintf(stderr, "Error: QXL VGA not available\n");
2059 exit(0);
2060 }
2061 } else if (!strstart(p, "none", &opts)) {
2062 invalid_vga:
2063 fprintf(stderr, "Unknown vga type: %s\n", p);
2064 exit(1);
2065 }
2066 while (*opts) {
2067 const char *nextopt;
2068
2069 if (strstart(opts, ",retrace=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "dumb", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_DUMB;
2073 else if (strstart(opts, "precise", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_PRECISE;
2075 else goto invalid_vga;
2076 } else goto invalid_vga;
2077 opts = nextopt;
2078 }
2079 }
2080
2081 static DisplayType select_display(const char *p)
2082 {
2083 const char *opts;
2084 DisplayType display = DT_DEFAULT;
2085
2086 if (strstart(p, "sdl", &opts)) {
2087 #ifdef CONFIG_SDL
2088 display = DT_SDL;
2089 while (*opts) {
2090 const char *nextopt;
2091
2092 if (strstart(opts, ",frame=", &nextopt)) {
2093 opts = nextopt;
2094 if (strstart(opts, "on", &nextopt)) {
2095 no_frame = 0;
2096 } else if (strstart(opts, "off", &nextopt)) {
2097 no_frame = 1;
2098 } else {
2099 goto invalid_sdl_args;
2100 }
2101 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2102 opts = nextopt;
2103 if (strstart(opts, "on", &nextopt)) {
2104 alt_grab = 1;
2105 } else if (strstart(opts, "off", &nextopt)) {
2106 alt_grab = 0;
2107 } else {
2108 goto invalid_sdl_args;
2109 }
2110 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2111 opts = nextopt;
2112 if (strstart(opts, "on", &nextopt)) {
2113 ctrl_grab = 1;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 ctrl_grab = 0;
2116 } else {
2117 goto invalid_sdl_args;
2118 }
2119 } else if (strstart(opts, ",window_close=", &nextopt)) {
2120 opts = nextopt;
2121 if (strstart(opts, "on", &nextopt)) {
2122 no_quit = 0;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 no_quit = 1;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else {
2129 invalid_sdl_args:
2130 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2131 exit(1);
2132 }
2133 opts = nextopt;
2134 }
2135 #else
2136 fprintf(stderr, "SDL support is disabled\n");
2137 exit(1);
2138 #endif
2139 } else if (strstart(p, "vnc", &opts)) {
2140 #ifdef CONFIG_VNC
2141 display_remote++;
2142
2143 if (*opts) {
2144 const char *nextopt;
2145
2146 if (strstart(opts, "=", &nextopt)) {
2147 vnc_display = nextopt;
2148 }
2149 }
2150 if (!vnc_display) {
2151 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2152 exit(1);
2153 }
2154 #else
2155 fprintf(stderr, "VNC support is disabled\n");
2156 exit(1);
2157 #endif
2158 } else if (strstart(p, "curses", &opts)) {
2159 #ifdef CONFIG_CURSES
2160 display = DT_CURSES;
2161 #else
2162 fprintf(stderr, "Curses support is disabled\n");
2163 exit(1);
2164 #endif
2165 } else if (strstart(p, "none", &opts)) {
2166 display = DT_NONE;
2167 } else {
2168 fprintf(stderr, "Unknown display type: %s\n", p);
2169 exit(1);
2170 }
2171
2172 return display;
2173 }
2174
2175 static int balloon_parse(const char *arg)
2176 {
2177 QemuOpts *opts;
2178
2179 if (strcmp(arg, "none") == 0) {
2180 return 0;
2181 }
2182
2183 if (!strncmp(arg, "virtio", 6)) {
2184 if (arg[6] == ',') {
2185 /* have params -> parse them */
2186 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2187 if (!opts)
2188 return -1;
2189 } else {
2190 /* create empty opts */
2191 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2192 }
2193 qemu_opt_set(opts, "driver", "virtio-balloon");
2194 return 0;
2195 }
2196
2197 return -1;
2198 }
2199
2200 char *qemu_find_file(int type, const char *name)
2201 {
2202 int len;
2203 const char *subdir;
2204 char *buf;
2205
2206 /* Try the name as a straight path first */
2207 if (access(name, R_OK) == 0) {
2208 return g_strdup(name);
2209 }
2210 switch (type) {
2211 case QEMU_FILE_TYPE_BIOS:
2212 subdir = "";
2213 break;
2214 case QEMU_FILE_TYPE_KEYMAP:
2215 subdir = "keymaps/";
2216 break;
2217 default:
2218 abort();
2219 }
2220 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2221 buf = g_malloc0(len);
2222 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2223 if (access(buf, R_OK)) {
2224 g_free(buf);
2225 return NULL;
2226 }
2227 return buf;
2228 }
2229
2230 static int device_help_func(QemuOpts *opts, void *opaque)
2231 {
2232 return qdev_device_help(opts);
2233 }
2234
2235 static int device_init_func(QemuOpts *opts, void *opaque)
2236 {
2237 DeviceState *dev;
2238
2239 dev = qdev_device_add(opts);
2240 if (!dev)
2241 return -1;
2242 object_unref(OBJECT(dev));
2243 return 0;
2244 }
2245
2246 static int chardev_init_func(QemuOpts *opts, void *opaque)
2247 {
2248 Error *local_err = NULL;
2249
2250 qemu_chr_new_from_opts(opts, NULL, &local_err);
2251 if (error_is_set(&local_err)) {
2252 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2253 error_free(local_err);
2254 return -1;
2255 }
2256 return 0;
2257 }
2258
2259 #ifdef CONFIG_VIRTFS
2260 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2261 {
2262 int ret;
2263 ret = qemu_fsdev_add(opts);
2264
2265 return ret;
2266 }
2267 #endif
2268
2269 static int mon_init_func(QemuOpts *opts, void *opaque)
2270 {
2271 CharDriverState *chr;
2272 const char *chardev;
2273 const char *mode;
2274 int flags;
2275
2276 mode = qemu_opt_get(opts, "mode");
2277 if (mode == NULL) {
2278 mode = "readline";
2279 }
2280 if (strcmp(mode, "readline") == 0) {
2281 flags = MONITOR_USE_READLINE;
2282 } else if (strcmp(mode, "control") == 0) {
2283 flags = MONITOR_USE_CONTROL;
2284 } else {
2285 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2286 exit(1);
2287 }
2288
2289 if (qemu_opt_get_bool(opts, "pretty", 0))
2290 flags |= MONITOR_USE_PRETTY;
2291
2292 if (qemu_opt_get_bool(opts, "default", 0))
2293 flags |= MONITOR_IS_DEFAULT;
2294
2295 chardev = qemu_opt_get(opts, "chardev");
2296 chr = qemu_chr_find(chardev);
2297 if (chr == NULL) {
2298 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2299 exit(1);
2300 }
2301
2302 monitor_init(chr, flags);
2303 return 0;
2304 }
2305
2306 static void monitor_parse(const char *optarg, const char *mode)
2307 {
2308 static int monitor_device_index = 0;
2309 QemuOpts *opts;
2310 const char *p;
2311 char label[32];
2312 int def = 0;
2313
2314 if (strstart(optarg, "chardev:", &p)) {
2315 snprintf(label, sizeof(label), "%s", p);
2316 } else {
2317 snprintf(label, sizeof(label), "compat_monitor%d",
2318 monitor_device_index);
2319 if (monitor_device_index == 0) {
2320 def = 1;
2321 }
2322 opts = qemu_chr_parse_compat(label, optarg);
2323 if (!opts) {
2324 fprintf(stderr, "parse error: %s\n", optarg);
2325 exit(1);
2326 }
2327 }
2328
2329 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2330 if (!opts) {
2331 fprintf(stderr, "duplicate chardev: %s\n", label);
2332 exit(1);
2333 }
2334 qemu_opt_set(opts, "mode", mode);
2335 qemu_opt_set(opts, "chardev", label);
2336 if (def)
2337 qemu_opt_set(opts, "default", "on");
2338 monitor_device_index++;
2339 }
2340
2341 struct device_config {
2342 enum {
2343 DEV_USB, /* -usbdevice */
2344 DEV_BT, /* -bt */
2345 DEV_SERIAL, /* -serial */
2346 DEV_PARALLEL, /* -parallel */
2347 DEV_VIRTCON, /* -virtioconsole */
2348 DEV_DEBUGCON, /* -debugcon */
2349 DEV_GDB, /* -gdb, -s */
2350 DEV_SCLP, /* s390 sclp */
2351 } type;
2352 const char *cmdline;
2353 Location loc;
2354 QTAILQ_ENTRY(device_config) next;
2355 };
2356
2357 static QTAILQ_HEAD(, device_config) device_configs =
2358 QTAILQ_HEAD_INITIALIZER(device_configs);
2359
2360 static void add_device_config(int type, const char *cmdline)
2361 {
2362 struct device_config *conf;
2363
2364 conf = g_malloc0(sizeof(*conf));
2365 conf->type = type;
2366 conf->cmdline = cmdline;
2367 loc_save(&conf->loc);
2368 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2369 }
2370
2371 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2372 {
2373 struct device_config *conf;
2374 int rc;
2375
2376 QTAILQ_FOREACH(conf, &device_configs, next) {
2377 if (conf->type != type)
2378 continue;
2379 loc_push_restore(&conf->loc);
2380 rc = func(conf->cmdline);
2381 loc_pop(&conf->loc);
2382 if (0 != rc)
2383 return rc;
2384 }
2385 return 0;
2386 }
2387
2388 static int serial_parse(const char *devname)
2389 {
2390 static int index = 0;
2391 char label[32];
2392
2393 if (strcmp(devname, "none") == 0)
2394 return 0;
2395 if (index == MAX_SERIAL_PORTS) {
2396 fprintf(stderr, "qemu: too many serial ports\n");
2397 exit(1);
2398 }
2399 snprintf(label, sizeof(label), "serial%d", index);
2400 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2401 if (!serial_hds[index]) {
2402 fprintf(stderr, "qemu: could not connect serial device"
2403 " to character backend '%s'\n", devname);
2404 return -1;
2405 }
2406 index++;
2407 return 0;
2408 }
2409
2410 static int parallel_parse(const char *devname)
2411 {
2412 static int index = 0;
2413 char label[32];
2414
2415 if (strcmp(devname, "none") == 0)
2416 return 0;
2417 if (index == MAX_PARALLEL_PORTS) {
2418 fprintf(stderr, "qemu: too many parallel ports\n");
2419 exit(1);
2420 }
2421 snprintf(label, sizeof(label), "parallel%d", index);
2422 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2423 if (!parallel_hds[index]) {
2424 fprintf(stderr, "qemu: could not connect parallel device"
2425 " to character backend '%s'\n", devname);
2426 return -1;
2427 }
2428 index++;
2429 return 0;
2430 }
2431
2432 static int virtcon_parse(const char *devname)
2433 {
2434 QemuOptsList *device = qemu_find_opts("device");
2435 static int index = 0;
2436 char label[32];
2437 QemuOpts *bus_opts, *dev_opts;
2438
2439 if (strcmp(devname, "none") == 0)
2440 return 0;
2441 if (index == MAX_VIRTIO_CONSOLES) {
2442 fprintf(stderr, "qemu: too many virtio consoles\n");
2443 exit(1);
2444 }
2445
2446 bus_opts = qemu_opts_create_nofail(device);
2447 if (arch_type == QEMU_ARCH_S390X) {
2448 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2449 } else {
2450 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2451 }
2452
2453 dev_opts = qemu_opts_create_nofail(device);
2454 qemu_opt_set(dev_opts, "driver", "virtconsole");
2455
2456 snprintf(label, sizeof(label), "virtcon%d", index);
2457 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2458 if (!virtcon_hds[index]) {
2459 fprintf(stderr, "qemu: could not connect virtio console"
2460 " to character backend '%s'\n", devname);
2461 return -1;
2462 }
2463 qemu_opt_set(dev_opts, "chardev", label);
2464
2465 index++;
2466 return 0;
2467 }
2468
2469 static int sclp_parse(const char *devname)
2470 {
2471 QemuOptsList *device = qemu_find_opts("device");
2472 static int index = 0;
2473 char label[32];
2474 QemuOpts *dev_opts;
2475
2476 if (strcmp(devname, "none") == 0) {
2477 return 0;
2478 }
2479 if (index == MAX_SCLP_CONSOLES) {
2480 fprintf(stderr, "qemu: too many sclp consoles\n");
2481 exit(1);
2482 }
2483
2484 assert(arch_type == QEMU_ARCH_S390X);
2485
2486 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2487 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2488
2489 snprintf(label, sizeof(label), "sclpcon%d", index);
2490 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2491 if (!sclp_hds[index]) {
2492 fprintf(stderr, "qemu: could not connect sclp console"
2493 " to character backend '%s'\n", devname);
2494 return -1;
2495 }
2496 qemu_opt_set(dev_opts, "chardev", label);
2497
2498 index++;
2499 return 0;
2500 }
2501
2502 static int debugcon_parse(const char *devname)
2503 {
2504 QemuOpts *opts;
2505
2506 if (!qemu_chr_new("debugcon", devname, NULL)) {
2507 exit(1);
2508 }
2509 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2510 if (!opts) {
2511 fprintf(stderr, "qemu: already have a debugcon device\n");
2512 exit(1);
2513 }
2514 qemu_opt_set(opts, "driver", "isa-debugcon");
2515 qemu_opt_set(opts, "chardev", "debugcon");
2516 return 0;
2517 }
2518
2519 static QEMUMachine *machine_parse(const char *name)
2520 {
2521 QEMUMachine *m, *machine = NULL;
2522
2523 if (name) {
2524 machine = find_machine(name);
2525 }
2526 if (machine) {
2527 return machine;
2528 }
2529 printf("Supported machines are:\n");
2530 for (m = first_machine; m != NULL; m = m->next) {
2531 if (m->alias) {
2532 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2533 }
2534 printf("%-20s %s%s\n", m->name, m->desc,
2535 m->is_default ? " (default)" : "");
2536 }
2537 exit(!name || !is_help_option(name));
2538 }
2539
2540 static int tcg_init(void)
2541 {
2542 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2543 return 0;
2544 }
2545
2546 static struct {
2547 const char *opt_name;
2548 const char *name;
2549 int (*available)(void);
2550 int (*init)(void);
2551 bool *allowed;
2552 } accel_list[] = {
2553 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2554 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2555 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2556 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2557 };
2558
2559 static int configure_accelerator(void)
2560 {
2561 const char *p = NULL;
2562 char buf[10];
2563 int i, ret;
2564 bool accel_initialised = false;
2565 bool init_failed = false;
2566
2567 QemuOptsList *list = qemu_find_opts("machine");
2568 if (!QTAILQ_EMPTY(&list->head)) {
2569 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2570 }
2571
2572 if (p == NULL) {
2573 /* Use the default "accelerator", tcg */
2574 p = "tcg";
2575 }
2576
2577 while (!accel_initialised && *p != '\0') {
2578 if (*p == ':') {
2579 p++;
2580 }
2581 p = get_opt_name(buf, sizeof (buf), p, ':');
2582 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2583 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2584 if (!accel_list[i].available()) {
2585 printf("%s not supported for this target\n",
2586 accel_list[i].name);
2587 continue;
2588 }
2589 *(accel_list[i].allowed) = true;
2590 ret = accel_list[i].init();
2591 if (ret < 0) {
2592 init_failed = true;
2593 fprintf(stderr, "failed to initialize %s: %s\n",
2594 accel_list[i].name,
2595 strerror(-ret));
2596 *(accel_list[i].allowed) = false;
2597 } else {
2598 accel_initialised = true;
2599 }
2600 break;
2601 }
2602 }
2603 if (i == ARRAY_SIZE(accel_list)) {
2604 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2605 }
2606 }
2607
2608 if (!accel_initialised) {
2609 if (!init_failed) {
2610 fprintf(stderr, "No accelerator found!\n");
2611 }
2612 exit(1);
2613 }
2614
2615 if (init_failed) {
2616 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2617 }
2618
2619 return !accel_initialised;
2620 }
2621
2622 void qemu_add_exit_notifier(Notifier *notify)
2623 {
2624 notifier_list_add(&exit_notifiers, notify);
2625 }
2626
2627 void qemu_remove_exit_notifier(Notifier *notify)
2628 {
2629 notifier_remove(notify);
2630 }
2631
2632 static void qemu_run_exit_notifiers(void)
2633 {
2634 notifier_list_notify(&exit_notifiers, NULL);
2635 }
2636
2637 void qemu_add_machine_init_done_notifier(Notifier *notify)
2638 {
2639 notifier_list_add(&machine_init_done_notifiers, notify);
2640 }
2641
2642 static void qemu_run_machine_init_done_notifiers(void)
2643 {
2644 notifier_list_notify(&machine_init_done_notifiers, NULL);
2645 }
2646
2647 static const QEMUOption *lookup_opt(int argc, char **argv,
2648 const char **poptarg, int *poptind)
2649 {
2650 const QEMUOption *popt;
2651 int optind = *poptind;
2652 char *r = argv[optind];
2653 const char *optarg;
2654
2655 loc_set_cmdline(argv, optind, 1);
2656 optind++;
2657 /* Treat --foo the same as -foo. */
2658 if (r[1] == '-')
2659 r++;
2660 popt = qemu_options;
2661 for(;;) {
2662 if (!popt->name) {
2663 error_report("invalid option");
2664 exit(1);
2665 }
2666 if (!strcmp(popt->name, r + 1))
2667 break;
2668 popt++;
2669 }
2670 if (popt->flags & HAS_ARG) {
2671 if (optind >= argc) {
2672 error_report("requires an argument");
2673 exit(1);
2674 }
2675 optarg = argv[optind++];
2676 loc_set_cmdline(argv, optind - 2, 2);
2677 } else {
2678 optarg = NULL;
2679 }
2680
2681 *poptarg = optarg;
2682 *poptind = optind;
2683
2684 return popt;
2685 }
2686
2687 static gpointer malloc_and_trace(gsize n_bytes)
2688 {
2689 void *ptr = malloc(n_bytes);
2690 trace_g_malloc(n_bytes, ptr);
2691 return ptr;
2692 }
2693
2694 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2695 {
2696 void *ptr = realloc(mem, n_bytes);
2697 trace_g_realloc(mem, n_bytes, ptr);
2698 return ptr;
2699 }
2700
2701 static void free_and_trace(gpointer mem)
2702 {
2703 trace_g_free(mem);
2704 free(mem);
2705 }
2706
2707 static int object_set_property(const char *name, const char *value, void *opaque)
2708 {
2709 Object *obj = OBJECT(opaque);
2710 StringInputVisitor *siv;
2711 Error *local_err = NULL;
2712
2713 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2714 return 0;
2715 }
2716
2717 siv = string_input_visitor_new(value);
2718 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2719 string_input_visitor_cleanup(siv);
2720
2721 if (local_err) {
2722 qerror_report_err(local_err);
2723 error_free(local_err);
2724 return -1;
2725 }
2726
2727 return 0;
2728 }
2729
2730 static int object_create(QemuOpts *opts, void *opaque)
2731 {
2732 const char *type = qemu_opt_get(opts, "qom-type");
2733 const char *id = qemu_opts_id(opts);
2734 Object *obj;
2735
2736 g_assert(type != NULL);
2737
2738 if (id == NULL) {
2739 qerror_report(QERR_MISSING_PARAMETER, "id");
2740 return -1;
2741 }
2742
2743 obj = object_new(type);
2744 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2745 return -1;
2746 }
2747
2748 object_property_add_child(container_get(object_get_root(), "/objects"),
2749 id, obj, NULL);
2750
2751 return 0;
2752 }
2753
2754 int main(int argc, char **argv, char **envp)
2755 {
2756 int i;
2757 int snapshot, linux_boot;
2758 const char *icount_option = NULL;
2759 const char *initrd_filename;
2760 const char *kernel_filename, *kernel_cmdline;
2761 char boot_devices[33] = "";
2762 DisplayState *ds;
2763 int cyls, heads, secs, translation;
2764 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2765 QemuOptsList *olist;
2766 int optind;
2767 const char *optarg;
2768 const char *loadvm = NULL;
2769 QEMUMachine *machine;
2770 const char *cpu_model;
2771 const char *vga_model = "none";
2772 const char *pid_file = NULL;
2773 const char *incoming = NULL;
2774 #ifdef CONFIG_VNC
2775 int show_vnc_port = 0;
2776 #endif
2777 bool defconfig = true;
2778 bool userconfig = true;
2779 const char *log_mask = NULL;
2780 const char *log_file = NULL;
2781 GMemVTable mem_trace = {
2782 .malloc = malloc_and_trace,
2783 .realloc = realloc_and_trace,
2784 .free = free_and_trace,
2785 };
2786 const char *trace_events = NULL;
2787 const char *trace_file = NULL;
2788
2789 atexit(qemu_run_exit_notifiers);
2790 error_set_progname(argv[0]);
2791
2792 g_mem_set_vtable(&mem_trace);
2793 if (!g_thread_supported()) {
2794 #if !GLIB_CHECK_VERSION(2, 31, 0)
2795 g_thread_init(NULL);
2796 #else
2797 fprintf(stderr, "glib threading failed to initialize.\n");
2798 exit(1);
2799 #endif
2800 }
2801
2802 module_call_init(MODULE_INIT_QOM);
2803
2804 qemu_add_opts(&qemu_drive_opts);
2805 qemu_add_opts(&qemu_chardev_opts);
2806 qemu_add_opts(&qemu_device_opts);
2807 qemu_add_opts(&qemu_netdev_opts);
2808 qemu_add_opts(&qemu_net_opts);
2809 qemu_add_opts(&qemu_rtc_opts);
2810 qemu_add_opts(&qemu_global_opts);
2811 qemu_add_opts(&qemu_mon_opts);
2812 qemu_add_opts(&qemu_trace_opts);
2813 qemu_add_opts(&qemu_option_rom_opts);
2814 qemu_add_opts(&qemu_machine_opts);
2815 qemu_add_opts(&qemu_boot_opts);
2816 qemu_add_opts(&qemu_sandbox_opts);
2817 qemu_add_opts(&qemu_add_fd_opts);
2818 qemu_add_opts(&qemu_object_opts);
2819
2820 runstate_init();
2821
2822 init_clocks();
2823 rtc_clock = host_clock;
2824
2825 qemu_cache_utils_init(envp);
2826
2827 QLIST_INIT (&vm_change_state_head);
2828 os_setup_early_signal_handling();
2829
2830 module_call_init(MODULE_INIT_MACHINE);
2831 machine = find_default_machine();
2832 cpu_model = NULL;
2833 ram_size = 0;
2834 snapshot = 0;
2835 cyls = heads = secs = 0;
2836 translation = BIOS_ATA_TRANSLATION_AUTO;
2837
2838 for (i = 0; i < MAX_NODES; i++) {
2839 node_mem[i] = 0;
2840 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2841 }
2842
2843 nb_numa_nodes = 0;
2844 nb_nics = 0;
2845
2846 autostart= 1;
2847
2848 /* first pass of option parsing */
2849 optind = 1;
2850 while (optind < argc) {
2851 if (argv[optind][0] != '-') {
2852 /* disk image */
2853 optind++;
2854 continue;
2855 } else {
2856 const QEMUOption *popt;
2857
2858 popt = lookup_opt(argc, argv, &optarg, &optind);
2859 switch (popt->index) {
2860 case QEMU_OPTION_nodefconfig:
2861 defconfig = false;
2862 break;
2863 case QEMU_OPTION_nouserconfig:
2864 userconfig = false;
2865 break;
2866 }
2867 }
2868 }
2869
2870 if (defconfig) {
2871 int ret;
2872 ret = qemu_read_default_config_files(userconfig);
2873 if (ret < 0) {
2874 exit(1);
2875 }
2876 }
2877
2878 /* second pass of option parsing */
2879 optind = 1;
2880 for(;;) {
2881 if (optind >= argc)
2882 break;
2883 if (argv[optind][0] != '-') {
2884 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2885 } else {
2886 const QEMUOption *popt;
2887
2888 popt = lookup_opt(argc, argv, &optarg, &optind);
2889 if (!(popt->arch_mask & arch_type)) {
2890 printf("Option %s not supported for this target\n", popt->name);
2891 exit(1);
2892 }
2893 switch(popt->index) {
2894 case QEMU_OPTION_M:
2895 machine = machine_parse(optarg);
2896 break;
2897 case QEMU_OPTION_no_kvm_irqchip: {
2898 olist = qemu_find_opts("machine");
2899 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2900 break;
2901 }
2902 case QEMU_OPTION_cpu:
2903 /* hw initialization will check this */
2904 cpu_model = optarg;
2905 break;
2906 case QEMU_OPTION_hda:
2907 {
2908 char buf[256];
2909 if (cyls == 0)
2910 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2911 else
2912 snprintf(buf, sizeof(buf),
2913 "%s,cyls=%d,heads=%d,secs=%d%s",
2914 HD_OPTS , cyls, heads, secs,
2915 translation == BIOS_ATA_TRANSLATION_LBA ?
2916 ",trans=lba" :
2917 translation == BIOS_ATA_TRANSLATION_NONE ?
2918 ",trans=none" : "");
2919 drive_add(IF_DEFAULT, 0, optarg, buf);
2920 break;
2921 }
2922 case QEMU_OPTION_hdb:
2923 case QEMU_OPTION_hdc:
2924 case QEMU_OPTION_hdd:
2925 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2926 HD_OPTS);
2927 break;
2928 case QEMU_OPTION_drive:
2929 if (drive_def(optarg) == NULL) {
2930 exit(1);
2931 }
2932 break;
2933 case QEMU_OPTION_set:
2934 if (qemu_set_option(optarg) != 0)
2935 exit(1);
2936 break;
2937 case QEMU_OPTION_global:
2938 if (qemu_global_option(optarg) != 0)
2939 exit(1);
2940 break;
2941 case QEMU_OPTION_mtdblock:
2942 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2943 break;
2944 case QEMU_OPTION_sd:
2945 drive_add(IF_SD, 0, optarg, SD_OPTS);
2946 break;
2947 case QEMU_OPTION_pflash:
2948 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2949 break;
2950 case QEMU_OPTION_snapshot:
2951 snapshot = 1;
2952 break;
2953 case QEMU_OPTION_hdachs:
2954 {
2955 const char *p;
2956 p = optarg;
2957 cyls = strtol(p, (char **)&p, 0);
2958 if (cyls < 1 || cyls > 16383)
2959 goto chs_fail;
2960 if (*p != ',')
2961 goto chs_fail;
2962 p++;
2963 heads = strtol(p, (char **)&p, 0);
2964 if (heads < 1 || heads > 16)
2965 goto chs_fail;
2966 if (*p != ',')
2967 goto chs_fail;
2968 p++;
2969 secs = strtol(p, (char **)&p, 0);
2970 if (secs < 1 || secs > 63)
2971 goto chs_fail;
2972 if (*p == ',') {
2973 p++;
2974 if (!strcmp(p, "none"))
2975 translation = BIOS_ATA_TRANSLATION_NONE;
2976 else if (!strcmp(p, "lba"))
2977 translation = BIOS_ATA_TRANSLATION_LBA;
2978 else if (!strcmp(p, "auto"))
2979 translation = BIOS_ATA_TRANSLATION_AUTO;
2980 else
2981 goto chs_fail;
2982 } else if (*p != '\0') {
2983 chs_fail:
2984 fprintf(stderr, "qemu: invalid physical CHS format\n");
2985 exit(1);
2986 }
2987 if (hda_opts != NULL) {
2988 char num[16];
2989 snprintf(num, sizeof(num), "%d", cyls);
2990 qemu_opt_set(hda_opts, "cyls", num);
2991 snprintf(num, sizeof(num), "%d", heads);
2992 qemu_opt_set(hda_opts, "heads", num);
2993 snprintf(num, sizeof(num), "%d", secs);
2994 qemu_opt_set(hda_opts, "secs", num);
2995 if (translation == BIOS_ATA_TRANSLATION_LBA)
2996 qemu_opt_set(hda_opts, "trans", "lba");
2997 if (translation == BIOS_ATA_TRANSLATION_NONE)
2998 qemu_opt_set(hda_opts, "trans", "none");
2999 }
3000 }
3001 break;
3002 case QEMU_OPTION_numa:
3003 if (nb_numa_nodes >= MAX_NODES) {
3004 fprintf(stderr, "qemu: too many NUMA nodes\n");
3005 exit(1);
3006 }
3007 numa_add(optarg);
3008 break;
3009 case QEMU_OPTION_display:
3010 display_type = select_display(optarg);
3011 break;
3012 case QEMU_OPTION_nographic:
3013 display_type = DT_NOGRAPHIC;
3014 break;
3015 case QEMU_OPTION_curses:
3016 #ifdef CONFIG_CURSES
3017 display_type = DT_CURSES;
3018 #else
3019 fprintf(stderr, "Curses support is disabled\n");
3020 exit(1);
3021 #endif
3022 break;
3023 case QEMU_OPTION_portrait:
3024 graphic_rotate = 90;
3025 break;
3026 case QEMU_OPTION_rotate:
3027 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3028 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3029 graphic_rotate != 180 && graphic_rotate != 270) {
3030 fprintf(stderr,
3031 "qemu: only 90, 180, 270 deg rotation is available\n");
3032 exit(1);
3033 }
3034 break;
3035 case QEMU_OPTION_kernel:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3037 break;
3038 case QEMU_OPTION_initrd:
3039 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3040 break;
3041 case QEMU_OPTION_append:
3042 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3043 break;
3044 case QEMU_OPTION_dtb:
3045 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3046 break;
3047 case QEMU_OPTION_cdrom:
3048 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3049 break;
3050 case QEMU_OPTION_boot:
3051 {
3052 static const char * const params[] = {
3053 "order", "once", "menu",
3054 "splash", "splash-time",
3055 "reboot-timeout", NULL
3056 };
3057 char buf[sizeof(boot_devices)];
3058 char *standard_boot_devices;
3059 int legacy = 0;
3060
3061 if (!strchr(optarg, '=')) {
3062 legacy = 1;
3063 pstrcpy(buf, sizeof(buf), optarg);
3064 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3065 fprintf(stderr,
3066 "qemu: unknown boot parameter '%s' in '%s'\n",
3067 buf, optarg);
3068 exit(1);
3069 }
3070
3071 if (legacy ||
3072 get_param_value(buf, sizeof(buf), "order", optarg)) {
3073 validate_bootdevices(buf);
3074 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3075 }
3076 if (!legacy) {
3077 if (get_param_value(buf, sizeof(buf),
3078 "once", optarg)) {
3079 validate_bootdevices(buf);
3080 standard_boot_devices = g_strdup(boot_devices);
3081 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3082 qemu_register_reset(restore_boot_devices,
3083 standard_boot_devices);
3084 }
3085 if (get_param_value(buf, sizeof(buf),
3086 "menu", optarg)) {
3087 if (!strcmp(buf, "on")) {
3088 boot_menu = 1;
3089 } else if (!strcmp(buf, "off")) {
3090 boot_menu = 0;
3091 } else {
3092 fprintf(stderr,
3093 "qemu: invalid option value '%s'\n",
3094 buf);
3095 exit(1);
3096 }
3097 }
3098 qemu_opts_parse(qemu_find_opts("boot-opts"),
3099 optarg, 0);
3100 }
3101 }
3102 break;
3103 case QEMU_OPTION_fda:
3104 case QEMU_OPTION_fdb:
3105 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3106 optarg, FD_OPTS);
3107 break;
3108 case QEMU_OPTION_no_fd_bootchk:
3109 fd_bootchk = 0;
3110 break;
3111 case QEMU_OPTION_netdev:
3112 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3113 exit(1);
3114 }
3115 break;
3116 case QEMU_OPTION_net:
3117 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3118 exit(1);
3119 }
3120 break;
3121 #ifdef CONFIG_LIBISCSI
3122 case QEMU_OPTION_iscsi:
3123 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3124 if (!opts) {
3125 exit(1);
3126 }
3127 break;
3128 #endif
3129 #ifdef CONFIG_SLIRP
3130 case QEMU_OPTION_tftp:
3131 legacy_tftp_prefix = optarg;
3132 break;
3133 case QEMU_OPTION_bootp:
3134 legacy_bootp_filename = optarg;
3135 break;
3136 case QEMU_OPTION_redir:
3137 if (net_slirp_redir(optarg) < 0)
3138 exit(1);
3139 break;
3140 #endif
3141 case QEMU_OPTION_bt:
3142 add_device_config(DEV_BT, optarg);
3143 break;
3144 case QEMU_OPTION_audio_help:
3145 if (!(audio_available())) {
3146 printf("Option %s not supported for this target\n", popt->name);
3147 exit(1);
3148 }
3149 AUD_help ();
3150 exit (0);
3151 break;
3152 case QEMU_OPTION_soundhw:
3153 if (!(audio_available())) {
3154 printf("Option %s not supported for this target\n", popt->name);
3155 exit(1);
3156 }
3157 select_soundhw (optarg);
3158 break;
3159 case QEMU_OPTION_h:
3160 help(0);
3161 break;
3162 case QEMU_OPTION_version:
3163 version();
3164 exit(0);
3165 break;
3166 case QEMU_OPTION_m: {
3167 int64_t value;
3168 uint64_t sz;
3169 char *end;
3170
3171 value = strtosz(optarg, &end);
3172 if (value < 0 || *end) {
3173 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3174 exit(1);
3175 }
3176 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3177 ram_size = sz;
3178 if (ram_size != sz) {
3179 fprintf(stderr, "qemu: ram size too large\n");
3180 exit(1);
3181 }
3182 break;
3183 }
3184 case QEMU_OPTION_mempath:
3185 mem_path = optarg;
3186 break;
3187 #ifdef MAP_POPULATE
3188 case QEMU_OPTION_mem_prealloc:
3189 mem_prealloc = 1;
3190 break;
3191 #endif
3192 case QEMU_OPTION_d:
3193 log_mask = optarg;
3194 break;
3195 case QEMU_OPTION_D:
3196 log_file = optarg;
3197 break;
3198 case QEMU_OPTION_s:
3199 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3200 break;
3201 case QEMU_OPTION_gdb:
3202 add_device_config(DEV_GDB, optarg);
3203 break;
3204 case QEMU_OPTION_L:
3205 data_dir = optarg;
3206 break;
3207 case QEMU_OPTION_bios:
3208 bios_name = optarg;
3209 break;
3210 case QEMU_OPTION_singlestep:
3211 singlestep = 1;
3212 break;
3213 case QEMU_OPTION_S:
3214 autostart = 0;
3215 break;
3216 case QEMU_OPTION_k:
3217 keyboard_layout = optarg;
3218 break;
3219 case QEMU_OPTION_localtime:
3220 rtc_utc = 0;
3221 break;
3222 case QEMU_OPTION_vga:
3223 vga_model = optarg;
3224 default_vga = 0;
3225 break;
3226 case QEMU_OPTION_g:
3227 {
3228 const char *p;
3229 int w, h, depth;
3230 p = optarg;
3231 w = strtol(p, (char **)&p, 10);
3232 if (w <= 0) {
3233 graphic_error:
3234 fprintf(stderr, "qemu: invalid resolution or depth\n");
3235 exit(1);
3236 }
3237 if (*p != 'x')
3238 goto graphic_error;
3239 p++;
3240 h = strtol(p, (char **)&p, 10);
3241 if (h <= 0)
3242 goto graphic_error;
3243 if (*p == 'x') {
3244 p++;
3245 depth = strtol(p, (char **)&p, 10);
3246 if (depth != 8 && depth != 15 && depth != 16 &&
3247 depth != 24 && depth != 32)
3248 goto graphic_error;
3249 } else if (*p == '\0') {
3250 depth = graphic_depth;
3251 } else {
3252 goto graphic_error;
3253 }
3254
3255 graphic_width = w;
3256 graphic_height = h;
3257 graphic_depth = depth;
3258 }
3259 break;
3260 case QEMU_OPTION_echr:
3261 {
3262 char *r;
3263 term_escape_char = strtol(optarg, &r, 0);
3264 if (r == optarg)
3265 printf("Bad argument to echr\n");
3266 break;
3267 }
3268 case QEMU_OPTION_monitor:
3269 monitor_parse(optarg, "readline");
3270 default_monitor = 0;
3271 break;
3272 case QEMU_OPTION_qmp:
3273 monitor_parse(optarg, "control");
3274 default_monitor = 0;
3275 break;
3276 case QEMU_OPTION_mon:
3277 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 default_monitor = 0;
3282 break;
3283 case QEMU_OPTION_chardev:
3284 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3285 if (!opts) {
3286 exit(1);
3287 }
3288 break;
3289 case QEMU_OPTION_fsdev:
3290 olist = qemu_find_opts("fsdev");
3291 if (!olist) {
3292 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3293 exit(1);
3294 }
3295 opts = qemu_opts_parse(olist, optarg, 1);
3296 if (!opts) {
3297 fprintf(stderr, "parse error: %s\n", optarg);
3298 exit(1);
3299 }
3300 break;
3301 case QEMU_OPTION_virtfs: {
3302 QemuOpts *fsdev;
3303 QemuOpts *device;
3304 const char *writeout, *sock_fd, *socket;
3305
3306 olist = qemu_find_opts("virtfs");
3307 if (!olist) {
3308 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3309 exit(1);
3310 }
3311 opts = qemu_opts_parse(olist, optarg, 1);
3312 if (!opts) {
3313 fprintf(stderr, "parse error: %s\n", optarg);
3314 exit(1);
3315 }
3316
3317 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3318 qemu_opt_get(opts, "mount_tag") == NULL) {
3319 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3320 exit(1);
3321 }
3322 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3323 qemu_opt_get(opts, "mount_tag"),
3324 1, NULL);
3325 if (!fsdev) {
3326 fprintf(stderr, "duplicate fsdev id: %s\n",
3327 qemu_opt_get(opts, "mount_tag"));
3328 exit(1);
3329 }
3330
3331 writeout = qemu_opt_get(opts, "writeout");
3332 if (writeout) {
3333 #ifdef CONFIG_SYNC_FILE_RANGE
3334 qemu_opt_set(fsdev, "writeout", writeout);
3335 #else
3336 fprintf(stderr, "writeout=immediate not supported on "
3337 "this platform\n");
3338 exit(1);
3339 #endif
3340 }
3341 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3342 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3343 qemu_opt_set(fsdev, "security_model",
3344 qemu_opt_get(opts, "security_model"));
3345 socket = qemu_opt_get(opts, "socket");
3346 if (socket) {
3347 qemu_opt_set(fsdev, "socket", socket);
3348 }
3349 sock_fd = qemu_opt_get(opts, "sock_fd");
3350 if (sock_fd) {
3351 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3352 }
3353
3354 qemu_opt_set_bool(fsdev, "readonly",
3355 qemu_opt_get_bool(opts, "readonly", 0));
3356 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3357 qemu_opt_set(device, "driver", "virtio-9p-pci");
3358 qemu_opt_set(device, "fsdev",
3359 qemu_opt_get(opts, "mount_tag"));
3360 qemu_opt_set(device, "mount_tag",
3361 qemu_opt_get(opts, "mount_tag"));
3362 break;
3363 }
3364 case QEMU_OPTION_virtfs_synth: {
3365 QemuOpts *fsdev;
3366 QemuOpts *device;
3367
3368 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3369 1, NULL);
3370 if (!fsdev) {
3371 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3372 exit(1);
3373 }
3374 qemu_opt_set(fsdev, "fsdriver", "synth");
3375
3376 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3377 qemu_opt_set(device, "driver", "virtio-9p-pci");
3378 qemu_opt_set(device, "fsdev", "v_synth");
3379 qemu_opt_set(device, "mount_tag", "v_synth");
3380 break;
3381 }
3382 case QEMU_OPTION_serial:
3383 add_device_config(DEV_SERIAL, optarg);
3384 default_serial = 0;
3385 if (strncmp(optarg, "mon:", 4) == 0) {
3386 default_monitor = 0;
3387 }
3388 break;
3389 case QEMU_OPTION_watchdog:
3390 if (watchdog) {
3391 fprintf(stderr,
3392 "qemu: only one watchdog option may be given\n");
3393 return 1;
3394 }
3395 watchdog = optarg;
3396 break;
3397 case QEMU_OPTION_watchdog_action:
3398 if (select_watchdog_action(optarg) == -1) {
3399 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3400 exit(1);
3401 }
3402 break;
3403 case QEMU_OPTION_virtiocon:
3404 add_device_config(DEV_VIRTCON, optarg);
3405 default_virtcon = 0;
3406 if (strncmp(optarg, "mon:", 4) == 0) {
3407 default_monitor = 0;
3408 }
3409 break;
3410 case QEMU_OPTION_parallel:
3411 add_device_config(DEV_PARALLEL, optarg);
3412 default_parallel = 0;
3413 if (strncmp(optarg, "mon:", 4) == 0) {
3414 default_monitor = 0;
3415 }
3416 break;
3417 case QEMU_OPTION_debugcon:
3418 add_device_config(DEV_DEBUGCON, optarg);
3419 break;
3420 case QEMU_OPTION_loadvm:
3421 loadvm = optarg;
3422 break;
3423 case QEMU_OPTION_full_screen:
3424 full_screen = 1;
3425 break;
3426 #ifdef CONFIG_SDL
3427 case QEMU_OPTION_no_frame:
3428 no_frame = 1;
3429 break;
3430 case QEMU_OPTION_alt_grab:
3431 alt_grab = 1;
3432 break;
3433 case QEMU_OPTION_ctrl_grab:
3434 ctrl_grab = 1;
3435 break;
3436 case QEMU_OPTION_no_quit:
3437 no_quit = 1;
3438 break;
3439 case QEMU_OPTION_sdl:
3440 display_type = DT_SDL;
3441 break;
3442 #else
3443 case QEMU_OPTION_no_frame:
3444 case QEMU_OPTION_alt_grab:
3445 case QEMU_OPTION_ctrl_grab:
3446 case QEMU_OPTION_no_quit:
3447 case QEMU_OPTION_sdl:
3448 fprintf(stderr, "SDL support is disabled\n");
3449 exit(1);
3450 #endif
3451 case QEMU_OPTION_pidfile:
3452 pid_file = optarg;
3453 break;
3454 case QEMU_OPTION_win2k_hack:
3455 win2k_install_hack = 1;
3456 break;
3457 case QEMU_OPTION_rtc_td_hack: {
3458 static GlobalProperty slew_lost_ticks[] = {
3459 {
3460 .driver = "mc146818rtc",
3461 .property = "lost_tick_policy",
3462 .value = "slew",
3463 },
3464 { /* end of list */ }
3465 };
3466
3467 qdev_prop_register_global_list(slew_lost_ticks);
3468 break;
3469 }
3470 case QEMU_OPTION_acpitable:
3471 do_acpitable_option(optarg);
3472 break;
3473 case QEMU_OPTION_smbios:
3474 do_smbios_option(optarg);
3475 break;
3476 case QEMU_OPTION_enable_kvm:
3477 olist = qemu_find_opts("machine");
3478 qemu_opts_parse(olist, "accel=kvm", 0);
3479 break;
3480 case QEMU_OPTION_machine:
3481 olist = qemu_find_opts("machine");
3482 opts = qemu_opts_parse(olist, optarg, 1);
3483 if (!opts) {
3484 fprintf(stderr, "parse error: %s\n", optarg);
3485 exit(1);
3486 }
3487 optarg = qemu_opt_get(opts, "type");
3488 if (optarg) {
3489 machine = machine_parse(optarg);
3490 }
3491 break;
3492 case QEMU_OPTION_no_kvm:
3493 olist = qemu_find_opts("machine");
3494 qemu_opts_parse(olist, "accel=tcg", 0);
3495 break;
3496 case QEMU_OPTION_no_kvm_pit: {
3497 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3498 "separately.\n");
3499 break;
3500 }
3501 case QEMU_OPTION_no_kvm_pit_reinjection: {
3502 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3503 {
3504 .driver = "kvm-pit",
3505 .property = "lost_tick_policy",
3506 .value = "discard",
3507 },
3508 { /* end of list */ }
3509 };
3510
3511 fprintf(stderr, "Warning: option deprecated, use "
3512 "lost_tick_policy property of kvm-pit instead.\n");
3513 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3514 break;
3515 }
3516 case QEMU_OPTION_usb:
3517 olist = qemu_find_opts("machine");
3518 qemu_opts_parse(olist, "usb=on", 0);
3519 break;
3520 case QEMU_OPTION_usbdevice:
3521 olist = qemu_find_opts("machine");
3522 qemu_opts_parse(olist, "usb=on", 0);
3523 add_device_config(DEV_USB, optarg);
3524 break;
3525 case QEMU_OPTION_device:
3526 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3527 exit(1);
3528 }
3529 break;
3530 case QEMU_OPTION_smp:
3531 smp_parse(optarg);
3532 if (smp_cpus < 1) {
3533 fprintf(stderr, "Invalid number of CPUs\n");
3534 exit(1);
3535 }
3536 if (max_cpus < smp_cpus) {
3537 fprintf(stderr, "maxcpus must be equal to or greater than "
3538 "smp\n");
3539 exit(1);
3540 }
3541 if (max_cpus > 255) {
3542 fprintf(stderr, "Unsupported number of maxcpus\n");
3543 exit(1);
3544 }
3545 break;
3546 case QEMU_OPTION_vnc:
3547 #ifdef CONFIG_VNC
3548 display_remote++;
3549 vnc_display = optarg;
3550 #else
3551 fprintf(stderr, "VNC support is disabled\n");
3552 exit(1);
3553 #endif
3554 break;
3555 case QEMU_OPTION_no_acpi:
3556 acpi_enabled = 0;
3557 break;
3558 case QEMU_OPTION_no_hpet:
3559 no_hpet = 1;
3560 break;
3561 case QEMU_OPTION_balloon:
3562 if (balloon_parse(optarg) < 0) {
3563 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3564 exit(1);
3565 }
3566 break;
3567 case QEMU_OPTION_no_reboot:
3568 no_reboot = 1;
3569 break;
3570 case QEMU_OPTION_no_shutdown:
3571 no_shutdown = 1;
3572 break;
3573 case QEMU_OPTION_show_cursor:
3574 cursor_hide = 0;
3575 break;
3576 case QEMU_OPTION_uuid:
3577 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3578 fprintf(stderr, "Fail to parse UUID string."
3579 " Wrong format.\n");
3580 exit(1);
3581 }
3582 break;
3583 case QEMU_OPTION_option_rom:
3584 if (nb_option_roms >= MAX_OPTION_ROMS) {
3585 fprintf(stderr, "Too many option ROMs\n");
3586 exit(1);
3587 }
3588 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3589 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3590 option_rom[nb_option_roms].bootindex =
3591 qemu_opt_get_number(opts, "bootindex", -1);
3592 if (!option_rom[nb_option_roms].name) {
3593 fprintf(stderr, "Option ROM file is not specified\n");
3594 exit(1);
3595 }
3596 nb_option_roms++;
3597 break;
3598 case QEMU_OPTION_semihosting:
3599 semihosting_enabled = 1;
3600 break;
3601 case QEMU_OPTION_tdf:
3602 fprintf(stderr, "Warning: user space PIT time drift fix "
3603 "is no longer supported.\n");
3604 break;
3605 case QEMU_OPTION_name:
3606 qemu_name = g_strdup(optarg);
3607 {
3608 char *p = strchr(qemu_name, ',');
3609 if (p != NULL) {
3610 *p++ = 0;
3611 if (strncmp(p, "process=", 8)) {
3612 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3613 exit(1);
3614 }
3615 p += 8;
3616 os_set_proc_name(p);
3617 }
3618 }
3619 break;
3620 case QEMU_OPTION_prom_env:
3621 if (nb_prom_envs >= MAX_PROM_ENVS) {
3622 fprintf(stderr, "Too many prom variables\n");
3623 exit(1);
3624 }
3625 prom_envs[nb_prom_envs] = optarg;
3626 nb_prom_envs++;
3627 break;
3628 case QEMU_OPTION_old_param:
3629 old_param = 1;
3630 break;
3631 case QEMU_OPTION_clock:
3632 configure_alarms(optarg);
3633 break;
3634 case QEMU_OPTION_startdate:
3635 configure_rtc_date_offset(optarg, 1);
3636 break;
3637 case QEMU_OPTION_rtc:
3638 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3639 if (!opts) {
3640 exit(1);
3641 }
3642 configure_rtc(opts);
3643 break;
3644 case QEMU_OPTION_tb_size:
3645 tcg_tb_size = strtol(optarg, NULL, 0);
3646 if (tcg_tb_size < 0) {
3647 tcg_tb_size = 0;
3648 }
3649 break;
3650 case QEMU_OPTION_icount:
3651 icount_option = optarg;
3652 break;
3653 case QEMU_OPTION_incoming:
3654 incoming = optarg;
3655 runstate_set(RUN_STATE_INMIGRATE);
3656 break;
3657 case QEMU_OPTION_nodefaults:
3658 default_serial = 0;
3659 default_parallel = 0;
3660 default_virtcon = 0;
3661 default_sclp = 0;
3662 default_monitor = 0;
3663 default_net = 0;
3664 default_floppy = 0;
3665 default_cdrom = 0;
3666 default_sdcard = 0;
3667 default_vga = 0;
3668 break;
3669 case QEMU_OPTION_xen_domid:
3670 if (!(xen_available())) {
3671 printf("Option %s not supported for this target\n", popt->name);
3672 exit(1);
3673 }
3674 xen_domid = atoi(optarg);
3675 break;
3676 case QEMU_OPTION_xen_create:
3677 if (!(xen_available())) {
3678 printf("Option %s not supported for this target\n", popt->name);
3679 exit(1);
3680 }
3681 xen_mode = XEN_CREATE;
3682 break;
3683 case QEMU_OPTION_xen_attach:
3684 if (!(xen_available())) {
3685 printf("Option %s not supported for this target\n", popt->name);
3686 exit(1);
3687 }
3688 xen_mode = XEN_ATTACH;
3689 break;
3690 case QEMU_OPTION_trace:
3691 {
3692 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3693 if (!opts) {
3694 exit(1);
3695 }
3696 trace_events = qemu_opt_get(opts, "events");
3697 trace_file = qemu_opt_get(opts, "file");
3698 break;
3699 }
3700 case QEMU_OPTION_readconfig:
3701 {
3702 int ret = qemu_read_config_file(optarg);
3703 if (ret < 0) {
3704 fprintf(stderr, "read config %s: %s\n", optarg,
3705 strerror(-ret));
3706 exit(1);
3707 }
3708 break;
3709 }
3710 case QEMU_OPTION_spice:
3711 olist = qemu_find_opts("spice");
3712 if (!olist) {
3713 fprintf(stderr, "spice is not supported by this qemu build.\n");
3714 exit(1);
3715 }
3716 opts = qemu_opts_parse(olist, optarg, 0);
3717 if (!opts) {
3718 fprintf(stderr, "parse error: %s\n", optarg);
3719 exit(1);
3720 }
3721 break;
3722 case QEMU_OPTION_writeconfig:
3723 {
3724 FILE *fp;
3725 if (strcmp(optarg, "-") == 0) {
3726 fp = stdout;
3727 } else {
3728 fp = fopen(optarg, "w");
3729 if (fp == NULL) {
3730 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3731 exit(1);
3732 }
3733 }
3734 qemu_config_write(fp);
3735 fclose(fp);
3736 break;
3737 }
3738 case QEMU_OPTION_qtest:
3739 qtest_chrdev = optarg;
3740 break;
3741 case QEMU_OPTION_qtest_log:
3742 qtest_log = optarg;
3743 break;
3744 case QEMU_OPTION_sandbox:
3745 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3746 if (!opts) {
3747 exit(0);
3748 }
3749 break;
3750 case QEMU_OPTION_add_fd:
3751 #ifndef _WIN32
3752 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3753 if (!opts) {
3754 exit(0);
3755 }
3756 #else
3757 error_report("File descriptor passing is disabled on this "
3758 "platform");
3759 exit(1);
3760 #endif
3761 break;
3762 case QEMU_OPTION_object:
3763 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3764 break;
3765 default:
3766 os_parse_cmd_args(popt->index, optarg);
3767 }
3768 }
3769 }
3770 loc_set_none();
3771
3772 if (qemu_init_main_loop()) {
3773 fprintf(stderr, "qemu_init_main_loop failed\n");
3774 exit(1);
3775 }
3776
3777 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3778 exit(1);
3779 }
3780
3781 #ifndef _WIN32
3782 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3783 exit(1);
3784 }
3785
3786 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3787 exit(1);
3788 }
3789 #endif
3790
3791 if (machine == NULL) {
3792 fprintf(stderr, "No machine found.\n");
3793 exit(1);
3794 }
3795
3796 if (machine->hw_version) {
3797 qemu_set_version(machine->hw_version);
3798 }
3799
3800 if (qemu_opts_foreach(qemu_find_opts("object"),
3801 object_create, NULL, 0) != 0) {
3802 exit(1);
3803 }
3804
3805 /* Init CPU def lists, based on config
3806 * - Must be called after all the qemu_read_config_file() calls
3807 * - Must be called before list_cpus()
3808 * - Must be called before machine->init()
3809 */
3810 cpudef_init();
3811
3812 if (cpu_model && is_help_option(cpu_model)) {
3813 list_cpus(stdout, &fprintf, cpu_model);
3814 exit(0);
3815 }
3816
3817 /* Open the logfile at this point, if necessary. We can't open the logfile
3818 * when encountering either of the logging options (-d or -D) because the
3819 * other one may be encountered later on the command line, changing the
3820 * location or level of logging.
3821 */
3822 if (log_mask) {
3823 if (log_file) {
3824 set_cpu_log_filename(log_file);
3825 }
3826 set_cpu_log(log_mask);
3827 }
3828
3829 if (!trace_backend_init(trace_events, trace_file)) {
3830 exit(1);
3831 }
3832
3833 /* If no data_dir is specified then try to find it relative to the
3834 executable path. */
3835 if (!data_dir) {
3836 data_dir = os_find_datadir(argv[0]);
3837 }
3838 /* If all else fails use the install path specified when building. */
3839 if (!data_dir) {
3840 data_dir = CONFIG_QEMU_DATADIR;
3841 }
3842
3843 /*
3844 * Default to max_cpus = smp_cpus, in case the user doesn't
3845 * specify a max_cpus value.
3846 */
3847 if (!max_cpus)
3848 max_cpus = smp_cpus;
3849
3850 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3851 if (smp_cpus > machine->max_cpus) {
3852 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3853 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3854 machine->max_cpus);
3855 exit(1);
3856 }
3857
3858 /*
3859 * Get the default machine options from the machine if it is not already
3860 * specified either by the configuration file or by the command line.
3861 */
3862 if (machine->default_machine_opts) {
3863 qemu_opts_set_defaults(qemu_find_opts("machine"),
3864 machine->default_machine_opts, 0);
3865 }
3866
3867 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3868 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3869
3870 if (machine->no_serial) {
3871 default_serial = 0;
3872 }
3873 if (machine->no_parallel) {
3874 default_parallel = 0;
3875 }
3876 if (!machine->use_virtcon) {
3877 default_virtcon = 0;
3878 }
3879 if (!machine->use_sclp) {
3880 default_sclp = 0;
3881 }
3882 if (machine->no_floppy) {
3883 default_floppy = 0;
3884 }
3885 if (machine->no_cdrom) {
3886 default_cdrom = 0;
3887 }
3888 if (machine->no_sdcard) {
3889 default_sdcard = 0;
3890 }
3891
3892 if (is_daemonized()) {
3893 /* According to documentation and historically, -nographic redirects
3894 * serial port, parallel port and monitor to stdio, which does not work
3895 * with -daemonize. We can redirect these to null instead, but since
3896 * -nographic is legacy, let's just error out.
3897 * We disallow -nographic only if all other ports are not redirected
3898 * explicitly, to not break existing legacy setups which uses
3899 * -nographic _and_ redirects all ports explicitly - this is valid
3900 * usage, -nographic is just a no-op in this case.
3901 */
3902 if (display_type == DT_NOGRAPHIC
3903 && (default_parallel || default_serial
3904 || default_monitor || default_virtcon)) {
3905 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3906 exit(1);
3907 }
3908 #ifdef CONFIG_CURSES
3909 if (display_type == DT_CURSES) {
3910 fprintf(stderr, "curses display can not be used with -daemonize\n");
3911 exit(1);
3912 }
3913 #endif
3914 }
3915
3916 if (display_type == DT_NOGRAPHIC) {
3917 if (default_parallel)
3918 add_device_config(DEV_PARALLEL, "null");
3919 if (default_serial && default_monitor) {
3920 add_device_config(DEV_SERIAL, "mon:stdio");
3921 } else if (default_virtcon && default_monitor) {
3922 add_device_config(DEV_VIRTCON, "mon:stdio");
3923 } else if (default_sclp && default_monitor) {
3924 add_device_config(DEV_SCLP, "mon:stdio");
3925 } else {
3926 if (default_serial)
3927 add_device_config(DEV_SERIAL, "stdio");
3928 if (default_virtcon)
3929 add_device_config(DEV_VIRTCON, "stdio");
3930 if (default_sclp) {
3931 add_device_config(DEV_SCLP, "stdio");
3932 }
3933 if (default_monitor)
3934 monitor_parse("stdio", "readline");
3935 }
3936 } else {
3937 if (default_serial)
3938 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3939 if (default_parallel)
3940 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3941 if (default_monitor)
3942 monitor_parse("vc:80Cx24C", "readline");
3943 if (default_virtcon)
3944 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3945 if (default_sclp) {
3946 add_device_config(DEV_SCLP, "vc:80Cx24C");
3947 }
3948 }
3949
3950 socket_init();
3951
3952 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3953 exit(1);
3954 #ifdef CONFIG_VIRTFS
3955 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3956 exit(1);
3957 }
3958 #endif
3959
3960 os_daemonize();
3961
3962 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3963 os_pidfile_error();
3964 exit(1);
3965 }
3966
3967 /* init the memory */
3968 if (ram_size == 0) {
3969 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3970 }
3971
3972 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3973 != 0) {
3974 exit(0);
3975 }
3976
3977 configure_accelerator();
3978
3979 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3980 if (machine_opts) {
3981 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3982 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3983 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3984 } else {
3985 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3986 }
3987
3988 if (!kernel_cmdline) {
3989 kernel_cmdline = "";
3990 }
3991
3992 linux_boot = (kernel_filename != NULL);
3993
3994 if (!linux_boot && *kernel_cmdline != '\0') {
3995 fprintf(stderr, "-append only allowed with -kernel option\n");
3996 exit(1);
3997 }
3998
3999 if (!linux_boot && initrd_filename != NULL) {
4000 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4001 exit(1);
4002 }
4003
4004 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4005 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4006 exit(1);
4007 }
4008
4009 os_set_line_buffering();
4010
4011 qemu_init_cpu_loop();
4012 qemu_mutex_lock_iothread();
4013
4014 #ifdef CONFIG_SPICE
4015 /* spice needs the timers to be initialized by this point */
4016 qemu_spice_init();
4017 #endif
4018
4019 if (icount_option && (kvm_enabled() || xen_enabled())) {
4020 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4021 exit(1);
4022 }
4023 configure_icount(icount_option);
4024
4025 /* clean up network at qemu process termination */
4026 atexit(&net_cleanup);
4027
4028 if (net_init_clients() < 0) {
4029 exit(1);
4030 }
4031
4032 /* init the bluetooth world */
4033 if (foreach_device_config(DEV_BT, bt_parse))
4034 exit(1);
4035
4036 if (!xen_enabled()) {
4037 /* On 32-bit hosts, QEMU is limited by virtual address space */
4038 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4039 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4040 exit(1);
4041 }
4042 }
4043
4044 cpu_exec_init_all();
4045
4046 bdrv_init_with_whitelist();
4047
4048 blk_mig_init();
4049
4050 /* open the virtual block devices */
4051 if (snapshot)
4052 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4053 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4054 &machine->block_default_type, 1) != 0) {
4055 exit(1);
4056 }
4057
4058 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4059 CDROM_OPTS);
4060 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4061 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4062
4063 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4064
4065 if (nb_numa_nodes > 0) {
4066 int i;
4067
4068 if (nb_numa_nodes > MAX_NODES) {
4069 nb_numa_nodes = MAX_NODES;
4070 }
4071
4072 /* If no memory size if given for any node, assume the default case
4073 * and distribute the available memory equally across all nodes
4074 */
4075 for (i = 0; i < nb_numa_nodes; i++) {
4076 if (node_mem[i] != 0)
4077 break;
4078 }
4079 if (i == nb_numa_nodes) {
4080 uint64_t usedmem = 0;
4081
4082 /* On Linux, the each node's border has to be 8MB aligned,
4083 * the final node gets the rest.
4084 */
4085 for (i = 0; i < nb_numa_nodes - 1; i++) {
4086 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4087 usedmem += node_mem[i];
4088 }
4089 node_mem[i] = ram_size - usedmem;
4090 }
4091
4092 for (i = 0; i < nb_numa_nodes; i++) {
4093 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4094 break;
4095 }
4096 }
4097 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4098 * must cope with this anyway, because there are BIOSes out there in
4099 * real machines which also use this scheme.
4100 */
4101 if (i == nb_numa_nodes) {
4102 for (i = 0; i < max_cpus; i++) {
4103 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4104 }
4105 }
4106 }
4107
4108 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4109 exit(1);
4110 }
4111
4112 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4113 exit(1);
4114 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4115 exit(1);
4116 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4117 exit(1);
4118 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4119 exit(1);
4120 }
4121 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4122 exit(1);
4123
4124 /* If no default VGA is requested, the default is "none". */
4125 if (default_vga) {
4126 if (cirrus_vga_available()) {
4127 vga_model = "cirrus";
4128 } else if (vga_available()) {
4129 vga_model = "std";
4130 }
4131 }
4132 select_vgahw(vga_model);
4133
4134 if (watchdog) {
4135 i = select_watchdog(watchdog);
4136 if (i > 0)
4137 exit (i == 1 ? 1 : 0);
4138 }
4139
4140 if (machine->compat_props) {
4141 qdev_prop_register_global_list(machine->compat_props);
4142 }
4143 qemu_add_globals();
4144
4145 qdev_machine_init();
4146
4147 QEMUMachineInitArgs args = { .ram_size = ram_size,
4148 .boot_device = (boot_devices[0] == '\0') ?
4149 machine->boot_order :
4150 boot_devices,
4151 .kernel_filename = kernel_filename,
4152 .kernel_cmdline = kernel_cmdline,
4153 .initrd_filename = initrd_filename,
4154 .cpu_model = cpu_model };
4155 machine->init(&args);
4156
4157 cpu_synchronize_all_post_init();
4158
4159 set_numa_modes();
4160
4161 current_machine = machine;
4162
4163 /* init USB devices */
4164 if (usb_enabled(false)) {
4165 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4166 exit(1);
4167 }
4168
4169 /* init generic devices */
4170 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4171 exit(1);
4172
4173 net_check_clients();
4174
4175 /* just use the first displaystate for the moment */
4176 ds = get_displaystate();
4177
4178 if (using_spice)
4179 display_remote++;
4180 if (display_type == DT_DEFAULT && !display_remote) {
4181 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4182 display_type = DT_SDL;
4183 #elif defined(CONFIG_VNC)
4184 vnc_display = "localhost:0,to=99";
4185 show_vnc_port = 1;
4186 #else
4187 display_type = DT_NONE;
4188 #endif
4189 }
4190
4191
4192 /* init local displays */
4193 switch (display_type) {
4194 case DT_NOGRAPHIC:
4195 break;
4196 #if defined(CONFIG_CURSES)
4197 case DT_CURSES:
4198 curses_display_init(ds, full_screen);
4199 break;
4200 #endif
4201 #if defined(CONFIG_SDL)
4202 case DT_SDL:
4203 sdl_display_init(ds, full_screen, no_frame);
4204 break;
4205 #elif defined(CONFIG_COCOA)
4206 case DT_SDL:
4207 cocoa_display_init(ds, full_screen);
4208 break;
4209 #endif
4210 default:
4211 break;
4212 }
4213
4214 /* must be after terminal init, SDL library changes signal handlers */
4215 os_setup_signal_handling();
4216
4217 #ifdef CONFIG_VNC
4218 /* init remote displays */
4219 if (vnc_display) {
4220 Error *local_err = NULL;
4221 vnc_display_init(ds);
4222 vnc_display_open(ds, vnc_display, &local_err);
4223 if (local_err != NULL) {
4224 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4225 vnc_display, error_get_pretty(local_err));
4226 error_free(local_err);
4227 exit(1);
4228 }
4229
4230 if (show_vnc_port) {
4231 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4232 }
4233 }
4234 #endif
4235 #ifdef CONFIG_SPICE
4236 if (using_spice && !qxl_enabled) {
4237 qemu_spice_display_init(ds);
4238 }
4239 #endif
4240
4241 /* display setup */
4242 text_consoles_set_display(ds);
4243
4244 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4245 exit(1);
4246 }
4247
4248 qdev_machine_creation_done();
4249
4250 if (rom_load_all() != 0) {
4251 fprintf(stderr, "rom loading failed\n");
4252 exit(1);
4253 }
4254
4255 /* TODO: once all bus devices are qdevified, this should be done
4256 * when bus is created by qdev.c */
4257 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4258 qemu_run_machine_init_done_notifiers();
4259
4260 qemu_system_reset(VMRESET_SILENT);
4261 if (loadvm) {
4262 if (load_vmstate(loadvm) < 0) {
4263 autostart = 0;
4264 }
4265 }
4266
4267 if (incoming) {
4268 Error *local_err = NULL;
4269 qemu_start_incoming_migration(incoming, &local_err);
4270 if (local_err) {
4271 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4272 error_free(local_err);
4273 exit(1);
4274 }
4275 } else if (autostart) {
4276 vm_start();
4277 }
4278
4279 os_setup_post();
4280
4281 resume_all_vcpus();
4282 main_loop();
4283 bdrv_close_all();
4284 pause_all_vcpus();
4285 res_free();
4286
4287 return 0;
4288 }
QEMU mirror