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s390: Channel I/O basic definitions.
[qemu.git] / vl.c
blob8b0961ef0142d2779df33f9ef6c81e118ad4db4d
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 int tcg_allowed = 1;
267 int kvm_allowed = 0;
268 int xen_allowed = 0;
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, ',') + 1;
1257 if (!strcmp(option, "node")) {
1258 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1259 nodenr = nb_numa_nodes;
1260 } else {
1261 nodenr = strtoull(option, NULL, 10);
1262 }
1263
1264 if (get_param_value(option, 128, "mem", optarg) == 0) {
1265 node_mem[nodenr] = 0;
1266 } else {
1267 int64_t sval;
1268 sval = strtosz(option, &endptr);
1269 if (sval < 0 || *endptr) {
1270 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1271 exit(1);
1272 }
1273 node_mem[nodenr] = sval;
1274 }
1275 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1276 value = strtoull(option, &endptr, 10);
1277 if (*endptr == '-') {
1278 endvalue = strtoull(endptr+1, &endptr, 10);
1279 } else {
1280 endvalue = value;
1281 }
1282
1283 if (!(endvalue < MAX_CPUMASK_BITS)) {
1284 endvalue = MAX_CPUMASK_BITS - 1;
1285 fprintf(stderr,
1286 "A max of %d CPUs are supported in a guest\n",
1287 MAX_CPUMASK_BITS);
1288 }
1289
1290 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1291 }
1292 nb_numa_nodes++;
1293 }
1294 }
1295
1296 static void smp_parse(const char *optarg)
1297 {
1298 int smp, sockets = 0, threads = 0, cores = 0;
1299 char *endptr;
1300 char option[128];
1301
1302 smp = strtoul(optarg, &endptr, 10);
1303 if (endptr != optarg) {
1304 if (*endptr == ',') {
1305 endptr++;
1306 }
1307 }
1308 if (get_param_value(option, 128, "sockets", endptr) != 0)
1309 sockets = strtoull(option, NULL, 10);
1310 if (get_param_value(option, 128, "cores", endptr) != 0)
1311 cores = strtoull(option, NULL, 10);
1312 if (get_param_value(option, 128, "threads", endptr) != 0)
1313 threads = strtoull(option, NULL, 10);
1314 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1315 max_cpus = strtoull(option, NULL, 10);
1316
1317 /* compute missing values, prefer sockets over cores over threads */
1318 if (smp == 0 || sockets == 0) {
1319 sockets = sockets > 0 ? sockets : 1;
1320 cores = cores > 0 ? cores : 1;
1321 threads = threads > 0 ? threads : 1;
1322 if (smp == 0) {
1323 smp = cores * threads * sockets;
1324 }
1325 } else {
1326 if (cores == 0) {
1327 threads = threads > 0 ? threads : 1;
1328 cores = smp / (sockets * threads);
1329 } else {
1330 threads = smp / (cores * sockets);
1331 }
1332 }
1333 smp_cpus = smp;
1334 smp_cores = cores > 0 ? cores : 1;
1335 smp_threads = threads > 0 ? threads : 1;
1336 if (max_cpus == 0)
1337 max_cpus = smp_cpus;
1338 }
1339
1340 /***********************************************************/
1341 /* USB devices */
1342
1343 static int usb_device_add(const char *devname)
1344 {
1345 const char *p;
1346 USBDevice *dev = NULL;
1347
1348 if (!usb_enabled(false)) {
1349 return -1;
1350 }
1351
1352 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1353 dev = usbdevice_create(devname);
1354 if (dev)
1355 goto done;
1356
1357 /* the other ones */
1358 #ifndef CONFIG_LINUX
1359 /* only the linux version is qdev-ified, usb-bsd still needs this */
1360 if (strstart(devname, "host:", &p)) {
1361 dev = usb_host_device_open(usb_bus_find(-1), p);
1362 } else
1363 #endif
1364 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1365 dev = usb_bt_init(usb_bus_find(-1),
1366 devname[2] ? hci_init(p)
1367 : bt_new_hci(qemu_find_bt_vlan(0)));
1368 } else {
1369 return -1;
1370 }
1371 if (!dev)
1372 return -1;
1373
1374 done:
1375 return 0;
1376 }
1377
1378 static int usb_device_del(const char *devname)
1379 {
1380 int bus_num, addr;
1381 const char *p;
1382
1383 if (strstart(devname, "host:", &p))
1384 return usb_host_device_close(p);
1385
1386 if (!usb_enabled(false)) {
1387 return -1;
1388 }
1389
1390 p = strchr(devname, '.');
1391 if (!p)
1392 return -1;
1393 bus_num = strtoul(devname, NULL, 0);
1394 addr = strtoul(p + 1, NULL, 0);
1395
1396 return usb_device_delete_addr(bus_num, addr);
1397 }
1398
1399 static int usb_parse(const char *cmdline)
1400 {
1401 int r;
1402 r = usb_device_add(cmdline);
1403 if (r < 0) {
1404 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1405 }
1406 return r;
1407 }
1408
1409 void do_usb_add(Monitor *mon, const QDict *qdict)
1410 {
1411 const char *devname = qdict_get_str(qdict, "devname");
1412 if (usb_device_add(devname) < 0) {
1413 error_report("could not add USB device '%s'", devname);
1414 }
1415 }
1416
1417 void do_usb_del(Monitor *mon, const QDict *qdict)
1418 {
1419 const char *devname = qdict_get_str(qdict, "devname");
1420 if (usb_device_del(devname) < 0) {
1421 error_report("could not delete USB device '%s'", devname);
1422 }
1423 }
1424
1425 /***********************************************************/
1426 /* PCMCIA/Cardbus */
1427
1428 static struct pcmcia_socket_entry_s {
1429 PCMCIASocket *socket;
1430 struct pcmcia_socket_entry_s *next;
1431 } *pcmcia_sockets = 0;
1432
1433 void pcmcia_socket_register(PCMCIASocket *socket)
1434 {
1435 struct pcmcia_socket_entry_s *entry;
1436
1437 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1438 entry->socket = socket;
1439 entry->next = pcmcia_sockets;
1440 pcmcia_sockets = entry;
1441 }
1442
1443 void pcmcia_socket_unregister(PCMCIASocket *socket)
1444 {
1445 struct pcmcia_socket_entry_s *entry, **ptr;
1446
1447 ptr = &pcmcia_sockets;
1448 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1449 if (entry->socket == socket) {
1450 *ptr = entry->next;
1451 g_free(entry);
1452 }
1453 }
1454
1455 void pcmcia_info(Monitor *mon, const QDict *qdict)
1456 {
1457 struct pcmcia_socket_entry_s *iter;
1458
1459 if (!pcmcia_sockets)
1460 monitor_printf(mon, "No PCMCIA sockets\n");
1461
1462 for (iter = pcmcia_sockets; iter; iter = iter->next)
1463 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1464 iter->socket->attached ? iter->socket->card_string :
1465 "Empty");
1466 }
1467
1468 /***********************************************************/
1469 /* machine registration */
1470
1471 static QEMUMachine *first_machine = NULL;
1472 QEMUMachine *current_machine = NULL;
1473
1474 int qemu_register_machine(QEMUMachine *m)
1475 {
1476 QEMUMachine **pm;
1477 pm = &first_machine;
1478 while (*pm != NULL)
1479 pm = &(*pm)->next;
1480 m->next = NULL;
1481 *pm = m;
1482 return 0;
1483 }
1484
1485 static QEMUMachine *find_machine(const char *name)
1486 {
1487 QEMUMachine *m;
1488
1489 for(m = first_machine; m != NULL; m = m->next) {
1490 if (!strcmp(m->name, name))
1491 return m;
1492 if (m->alias && !strcmp(m->alias, name))
1493 return m;
1494 }
1495 return NULL;
1496 }
1497
1498 QEMUMachine *find_default_machine(void)
1499 {
1500 QEMUMachine *m;
1501
1502 for(m = first_machine; m != NULL; m = m->next) {
1503 if (m->is_default) {
1504 return m;
1505 }
1506 }
1507 return NULL;
1508 }
1509
1510 MachineInfoList *qmp_query_machines(Error **errp)
1511 {
1512 MachineInfoList *mach_list = NULL;
1513 QEMUMachine *m;
1514
1515 for (m = first_machine; m; m = m->next) {
1516 MachineInfoList *entry;
1517 MachineInfo *info;
1518
1519 info = g_malloc0(sizeof(*info));
1520 if (m->is_default) {
1521 info->has_is_default = true;
1522 info->is_default = true;
1523 }
1524
1525 if (m->alias) {
1526 info->has_alias = true;
1527 info->alias = g_strdup(m->alias);
1528 }
1529
1530 info->name = g_strdup(m->name);
1531
1532 entry = g_malloc0(sizeof(*entry));
1533 entry->value = info;
1534 entry->next = mach_list;
1535 mach_list = entry;
1536 }
1537
1538 return mach_list;
1539 }
1540
1541 /***********************************************************/
1542 /* main execution loop */
1543
1544 static void gui_update(void *opaque)
1545 {
1546 uint64_t interval = GUI_REFRESH_INTERVAL;
1547 DisplayState *ds = opaque;
1548 DisplayChangeListener *dcl;
1549
1550 dpy_refresh(ds);
1551
1552 QLIST_FOREACH(dcl, &ds->listeners, next) {
1553 if (dcl->gui_timer_interval &&
1554 dcl->gui_timer_interval < interval)
1555 interval = dcl->gui_timer_interval;
1556 }
1557 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1558 }
1559
1560 void gui_setup_refresh(DisplayState *ds)
1561 {
1562 DisplayChangeListener *dcl;
1563 bool need_timer = false;
1564 bool have_gfx = false;
1565 bool have_text = false;
1566
1567 QLIST_FOREACH(dcl, &ds->listeners, next) {
1568 if (dcl->dpy_refresh != NULL) {
1569 need_timer = true;
1570 }
1571 if (dcl->dpy_gfx_update != NULL) {
1572 have_gfx = true;
1573 }
1574 if (dcl->dpy_text_update != NULL) {
1575 have_text = true;
1576 }
1577 }
1578
1579 if (need_timer && ds->gui_timer == NULL) {
1580 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1581 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1582 }
1583 if (!need_timer && ds->gui_timer != NULL) {
1584 qemu_del_timer(ds->gui_timer);
1585 qemu_free_timer(ds->gui_timer);
1586 ds->gui_timer = NULL;
1587 }
1588
1589 ds->have_gfx = have_gfx;
1590 ds->have_text = have_text;
1591 }
1592
1593 struct vm_change_state_entry {
1594 VMChangeStateHandler *cb;
1595 void *opaque;
1596 QLIST_ENTRY (vm_change_state_entry) entries;
1597 };
1598
1599 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1600
1601 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1602 void *opaque)
1603 {
1604 VMChangeStateEntry *e;
1605
1606 e = g_malloc0(sizeof (*e));
1607
1608 e->cb = cb;
1609 e->opaque = opaque;
1610 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1611 return e;
1612 }
1613
1614 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1615 {
1616 QLIST_REMOVE (e, entries);
1617 g_free (e);
1618 }
1619
1620 void vm_state_notify(int running, RunState state)
1621 {
1622 VMChangeStateEntry *e;
1623
1624 trace_vm_state_notify(running, state);
1625
1626 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1627 e->cb(e->opaque, running, state);
1628 }
1629 }
1630
1631 void vm_start(void)
1632 {
1633 if (!runstate_is_running()) {
1634 cpu_enable_ticks();
1635 runstate_set(RUN_STATE_RUNNING);
1636 vm_state_notify(1, RUN_STATE_RUNNING);
1637 resume_all_vcpus();
1638 monitor_protocol_event(QEVENT_RESUME, NULL);
1639 }
1640 }
1641
1642 /* reset/shutdown handler */
1643
1644 typedef struct QEMUResetEntry {
1645 QTAILQ_ENTRY(QEMUResetEntry) entry;
1646 QEMUResetHandler *func;
1647 void *opaque;
1648 } QEMUResetEntry;
1649
1650 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1651 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1652 static int reset_requested;
1653 static int shutdown_requested, shutdown_signal = -1;
1654 static pid_t shutdown_pid;
1655 static int powerdown_requested;
1656 static int debug_requested;
1657 static int suspend_requested;
1658 static int wakeup_requested;
1659 static NotifierList powerdown_notifiers =
1660 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1661 static NotifierList suspend_notifiers =
1662 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1663 static NotifierList wakeup_notifiers =
1664 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1665 static uint32_t wakeup_reason_mask = ~0;
1666 static RunState vmstop_requested = RUN_STATE_MAX;
1667
1668 int qemu_shutdown_requested_get(void)
1669 {
1670 return shutdown_requested;
1671 }
1672
1673 int qemu_reset_requested_get(void)
1674 {
1675 return reset_requested;
1676 }
1677
1678 static int qemu_shutdown_requested(void)
1679 {
1680 int r = shutdown_requested;
1681 shutdown_requested = 0;
1682 return r;
1683 }
1684
1685 static void qemu_kill_report(void)
1686 {
1687 if (!qtest_enabled() && shutdown_signal != -1) {
1688 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1689 if (shutdown_pid == 0) {
1690 /* This happens for eg ^C at the terminal, so it's worth
1691 * avoiding printing an odd message in that case.
1692 */
1693 fputc('\n', stderr);
1694 } else {
1695 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1696 }
1697 shutdown_signal = -1;
1698 }
1699 }
1700
1701 static int qemu_reset_requested(void)
1702 {
1703 int r = reset_requested;
1704 reset_requested = 0;
1705 return r;
1706 }
1707
1708 static int qemu_suspend_requested(void)
1709 {
1710 int r = suspend_requested;
1711 suspend_requested = 0;
1712 return r;
1713 }
1714
1715 static int qemu_wakeup_requested(void)
1716 {
1717 int r = wakeup_requested;
1718 wakeup_requested = 0;
1719 return r;
1720 }
1721
1722 static int qemu_powerdown_requested(void)
1723 {
1724 int r = powerdown_requested;
1725 powerdown_requested = 0;
1726 return r;
1727 }
1728
1729 static int qemu_debug_requested(void)
1730 {
1731 int r = debug_requested;
1732 debug_requested = 0;
1733 return r;
1734 }
1735
1736 /* We use RUN_STATE_MAX but any invalid value will do */
1737 static bool qemu_vmstop_requested(RunState *r)
1738 {
1739 if (vmstop_requested < RUN_STATE_MAX) {
1740 *r = vmstop_requested;
1741 vmstop_requested = RUN_STATE_MAX;
1742 return true;
1743 }
1744
1745 return false;
1746 }
1747
1748 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1749 {
1750 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1751
1752 re->func = func;
1753 re->opaque = opaque;
1754 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1755 }
1756
1757 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1758 {
1759 QEMUResetEntry *re;
1760
1761 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1762 if (re->func == func && re->opaque == opaque) {
1763 QTAILQ_REMOVE(&reset_handlers, re, entry);
1764 g_free(re);
1765 return;
1766 }
1767 }
1768 }
1769
1770 void qemu_devices_reset(void)
1771 {
1772 QEMUResetEntry *re, *nre;
1773
1774 /* reset all devices */
1775 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1776 re->func(re->opaque);
1777 }
1778 }
1779
1780 void qemu_system_reset(bool report)
1781 {
1782 if (current_machine && current_machine->reset) {
1783 current_machine->reset();
1784 } else {
1785 qemu_devices_reset();
1786 }
1787 if (report) {
1788 monitor_protocol_event(QEVENT_RESET, NULL);
1789 }
1790 cpu_synchronize_all_post_reset();
1791 }
1792
1793 void qemu_system_reset_request(void)
1794 {
1795 if (no_reboot) {
1796 shutdown_requested = 1;
1797 } else {
1798 reset_requested = 1;
1799 }
1800 cpu_stop_current();
1801 qemu_notify_event();
1802 }
1803
1804 static void qemu_system_suspend(void)
1805 {
1806 pause_all_vcpus();
1807 notifier_list_notify(&suspend_notifiers, NULL);
1808 runstate_set(RUN_STATE_SUSPENDED);
1809 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1810 }
1811
1812 void qemu_system_suspend_request(void)
1813 {
1814 if (runstate_check(RUN_STATE_SUSPENDED)) {
1815 return;
1816 }
1817 suspend_requested = 1;
1818 cpu_stop_current();
1819 qemu_notify_event();
1820 }
1821
1822 void qemu_register_suspend_notifier(Notifier *notifier)
1823 {
1824 notifier_list_add(&suspend_notifiers, notifier);
1825 }
1826
1827 void qemu_system_wakeup_request(WakeupReason reason)
1828 {
1829 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1830 return;
1831 }
1832 if (!(wakeup_reason_mask & (1 << reason))) {
1833 return;
1834 }
1835 runstate_set(RUN_STATE_RUNNING);
1836 notifier_list_notify(&wakeup_notifiers, &reason);
1837 wakeup_requested = 1;
1838 qemu_notify_event();
1839 }
1840
1841 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1842 {
1843 if (enabled) {
1844 wakeup_reason_mask |= (1 << reason);
1845 } else {
1846 wakeup_reason_mask &= ~(1 << reason);
1847 }
1848 }
1849
1850 void qemu_register_wakeup_notifier(Notifier *notifier)
1851 {
1852 notifier_list_add(&wakeup_notifiers, notifier);
1853 }
1854
1855 void qemu_system_killed(int signal, pid_t pid)
1856 {
1857 shutdown_signal = signal;
1858 shutdown_pid = pid;
1859 no_shutdown = 0;
1860 qemu_system_shutdown_request();
1861 }
1862
1863 void qemu_system_shutdown_request(void)
1864 {
1865 shutdown_requested = 1;
1866 qemu_notify_event();
1867 }
1868
1869 static void qemu_system_powerdown(void)
1870 {
1871 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1872 notifier_list_notify(&powerdown_notifiers, NULL);
1873 }
1874
1875 void qemu_system_powerdown_request(void)
1876 {
1877 powerdown_requested = 1;
1878 qemu_notify_event();
1879 }
1880
1881 void qemu_register_powerdown_notifier(Notifier *notifier)
1882 {
1883 notifier_list_add(&powerdown_notifiers, notifier);
1884 }
1885
1886 void qemu_system_debug_request(void)
1887 {
1888 debug_requested = 1;
1889 qemu_notify_event();
1890 }
1891
1892 void qemu_system_vmstop_request(RunState state)
1893 {
1894 vmstop_requested = state;
1895 qemu_notify_event();
1896 }
1897
1898 static bool main_loop_should_exit(void)
1899 {
1900 RunState r;
1901 if (qemu_debug_requested()) {
1902 vm_stop(RUN_STATE_DEBUG);
1903 }
1904 if (qemu_suspend_requested()) {
1905 qemu_system_suspend();
1906 }
1907 if (qemu_shutdown_requested()) {
1908 qemu_kill_report();
1909 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1910 if (no_shutdown) {
1911 vm_stop(RUN_STATE_SHUTDOWN);
1912 } else {
1913 return true;
1914 }
1915 }
1916 if (qemu_reset_requested()) {
1917 pause_all_vcpus();
1918 cpu_synchronize_all_states();
1919 qemu_system_reset(VMRESET_REPORT);
1920 resume_all_vcpus();
1921 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1922 runstate_check(RUN_STATE_SHUTDOWN)) {
1923 runstate_set(RUN_STATE_PAUSED);
1924 }
1925 }
1926 if (qemu_wakeup_requested()) {
1927 pause_all_vcpus();
1928 cpu_synchronize_all_states();
1929 qemu_system_reset(VMRESET_SILENT);
1930 resume_all_vcpus();
1931 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1932 }
1933 if (qemu_powerdown_requested()) {
1934 qemu_system_powerdown();
1935 }
1936 if (qemu_vmstop_requested(&r)) {
1937 vm_stop(r);
1938 }
1939 return false;
1940 }
1941
1942 static void main_loop(void)
1943 {
1944 bool nonblocking;
1945 int last_io = 0;
1946 #ifdef CONFIG_PROFILER
1947 int64_t ti;
1948 #endif
1949 do {
1950 nonblocking = !kvm_enabled() && last_io > 0;
1951 #ifdef CONFIG_PROFILER
1952 ti = profile_getclock();
1953 #endif
1954 last_io = main_loop_wait(nonblocking);
1955 #ifdef CONFIG_PROFILER
1956 dev_time += profile_getclock() - ti;
1957 #endif
1958 } while (!main_loop_should_exit());
1959 }
1960
1961 static void version(void)
1962 {
1963 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1964 }
1965
1966 static void help(int exitcode)
1967 {
1968 version();
1969 printf("usage: %s [options] [disk_image]\n\n"
1970 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1971 error_get_progname());
1972
1973 #define QEMU_OPTIONS_GENERATE_HELP
1974 #include "qemu-options-wrapper.h"
1975
1976 printf("\nDuring emulation, the following keys are useful:\n"
1977 "ctrl-alt-f toggle full screen\n"
1978 "ctrl-alt-n switch to virtual console 'n'\n"
1979 "ctrl-alt toggle mouse and keyboard grab\n"
1980 "\n"
1981 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1982
1983 exit(exitcode);
1984 }
1985
1986 #define HAS_ARG 0x0001
1987
1988 typedef struct QEMUOption {
1989 const char *name;
1990 int flags;
1991 int index;
1992 uint32_t arch_mask;
1993 } QEMUOption;
1994
1995 static const QEMUOption qemu_options[] = {
1996 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1997 #define QEMU_OPTIONS_GENERATE_OPTIONS
1998 #include "qemu-options-wrapper.h"
1999 { NULL },
2000 };
2001
2002 static bool vga_available(void)
2003 {
2004 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2005 }
2006
2007 static bool cirrus_vga_available(void)
2008 {
2009 return object_class_by_name("cirrus-vga")
2010 || object_class_by_name("isa-cirrus-vga");
2011 }
2012
2013 static bool vmware_vga_available(void)
2014 {
2015 return object_class_by_name("vmware-svga");
2016 }
2017
2018 static bool qxl_vga_available(void)
2019 {
2020 return object_class_by_name("qxl-vga");
2021 }
2022
2023 static void select_vgahw (const char *p)
2024 {
2025 const char *opts;
2026
2027 vga_interface_type = VGA_NONE;
2028 if (strstart(p, "std", &opts)) {
2029 if (vga_available()) {
2030 vga_interface_type = VGA_STD;
2031 } else {
2032 fprintf(stderr, "Error: standard VGA not available\n");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "cirrus", &opts)) {
2036 if (cirrus_vga_available()) {
2037 vga_interface_type = VGA_CIRRUS;
2038 } else {
2039 fprintf(stderr, "Error: Cirrus VGA not available\n");
2040 exit(0);
2041 }
2042 } else if (strstart(p, "vmware", &opts)) {
2043 if (vmware_vga_available()) {
2044 vga_interface_type = VGA_VMWARE;
2045 } else {
2046 fprintf(stderr, "Error: VMWare SVGA not available\n");
2047 exit(0);
2048 }
2049 } else if (strstart(p, "xenfb", &opts)) {
2050 vga_interface_type = VGA_XENFB;
2051 } else if (strstart(p, "qxl", &opts)) {
2052 if (qxl_vga_available()) {
2053 vga_interface_type = VGA_QXL;
2054 } else {
2055 fprintf(stderr, "Error: QXL VGA not available\n");
2056 exit(0);
2057 }
2058 } else if (!strstart(p, "none", &opts)) {
2059 invalid_vga:
2060 fprintf(stderr, "Unknown vga type: %s\n", p);
2061 exit(1);
2062 }
2063 while (*opts) {
2064 const char *nextopt;
2065
2066 if (strstart(opts, ",retrace=", &nextopt)) {
2067 opts = nextopt;
2068 if (strstart(opts, "dumb", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_DUMB;
2070 else if (strstart(opts, "precise", &nextopt))
2071 vga_retrace_method = VGA_RETRACE_PRECISE;
2072 else goto invalid_vga;
2073 } else goto invalid_vga;
2074 opts = nextopt;
2075 }
2076 }
2077
2078 static DisplayType select_display(const char *p)
2079 {
2080 const char *opts;
2081 DisplayType display = DT_DEFAULT;
2082
2083 if (strstart(p, "sdl", &opts)) {
2084 #ifdef CONFIG_SDL
2085 display = DT_SDL;
2086 while (*opts) {
2087 const char *nextopt;
2088
2089 if (strstart(opts, ",frame=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "on", &nextopt)) {
2092 no_frame = 0;
2093 } else if (strstart(opts, "off", &nextopt)) {
2094 no_frame = 1;
2095 } else {
2096 goto invalid_sdl_args;
2097 }
2098 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "on", &nextopt)) {
2101 alt_grab = 1;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 alt_grab = 0;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2108 opts = nextopt;
2109 if (strstart(opts, "on", &nextopt)) {
2110 ctrl_grab = 1;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 ctrl_grab = 0;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",window_close=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 no_quit = 0;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 no_quit = 1;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else {
2126 invalid_sdl_args:
2127 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2128 exit(1);
2129 }
2130 opts = nextopt;
2131 }
2132 #else
2133 fprintf(stderr, "SDL support is disabled\n");
2134 exit(1);
2135 #endif
2136 } else if (strstart(p, "vnc", &opts)) {
2137 #ifdef CONFIG_VNC
2138 display_remote++;
2139
2140 if (*opts) {
2141 const char *nextopt;
2142
2143 if (strstart(opts, "=", &nextopt)) {
2144 vnc_display = nextopt;
2145 }
2146 }
2147 if (!vnc_display) {
2148 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2149 exit(1);
2150 }
2151 #else
2152 fprintf(stderr, "VNC support is disabled\n");
2153 exit(1);
2154 #endif
2155 } else if (strstart(p, "curses", &opts)) {
2156 #ifdef CONFIG_CURSES
2157 display = DT_CURSES;
2158 #else
2159 fprintf(stderr, "Curses support is disabled\n");
2160 exit(1);
2161 #endif
2162 } else if (strstart(p, "none", &opts)) {
2163 display = DT_NONE;
2164 } else {
2165 fprintf(stderr, "Unknown display type: %s\n", p);
2166 exit(1);
2167 }
2168
2169 return display;
2170 }
2171
2172 static int balloon_parse(const char *arg)
2173 {
2174 QemuOpts *opts;
2175
2176 if (strcmp(arg, "none") == 0) {
2177 return 0;
2178 }
2179
2180 if (!strncmp(arg, "virtio", 6)) {
2181 if (arg[6] == ',') {
2182 /* have params -> parse them */
2183 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2184 if (!opts)
2185 return -1;
2186 } else {
2187 /* create empty opts */
2188 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2189 }
2190 qemu_opt_set(opts, "driver", "virtio-balloon");
2191 return 0;
2192 }
2193
2194 return -1;
2195 }
2196
2197 char *qemu_find_file(int type, const char *name)
2198 {
2199 int len;
2200 const char *subdir;
2201 char *buf;
2202
2203 /* Try the name as a straight path first */
2204 if (access(name, R_OK) == 0) {
2205 return g_strdup(name);
2206 }
2207 switch (type) {
2208 case QEMU_FILE_TYPE_BIOS:
2209 subdir = "";
2210 break;
2211 case QEMU_FILE_TYPE_KEYMAP:
2212 subdir = "keymaps/";
2213 break;
2214 default:
2215 abort();
2216 }
2217 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2218 buf = g_malloc0(len);
2219 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2220 if (access(buf, R_OK)) {
2221 g_free(buf);
2222 return NULL;
2223 }
2224 return buf;
2225 }
2226
2227 static int device_help_func(QemuOpts *opts, void *opaque)
2228 {
2229 return qdev_device_help(opts);
2230 }
2231
2232 static int device_init_func(QemuOpts *opts, void *opaque)
2233 {
2234 DeviceState *dev;
2235
2236 dev = qdev_device_add(opts);
2237 if (!dev)
2238 return -1;
2239 return 0;
2240 }
2241
2242 static int chardev_init_func(QemuOpts *opts, void *opaque)
2243 {
2244 Error *local_err = NULL;
2245
2246 qemu_chr_new_from_opts(opts, NULL, &local_err);
2247 if (error_is_set(&local_err)) {
2248 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2249 error_free(local_err);
2250 return -1;
2251 }
2252 return 0;
2253 }
2254
2255 #ifdef CONFIG_VIRTFS
2256 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2257 {
2258 int ret;
2259 ret = qemu_fsdev_add(opts);
2260
2261 return ret;
2262 }
2263 #endif
2264
2265 static int mon_init_func(QemuOpts *opts, void *opaque)
2266 {
2267 CharDriverState *chr;
2268 const char *chardev;
2269 const char *mode;
2270 int flags;
2271
2272 mode = qemu_opt_get(opts, "mode");
2273 if (mode == NULL) {
2274 mode = "readline";
2275 }
2276 if (strcmp(mode, "readline") == 0) {
2277 flags = MONITOR_USE_READLINE;
2278 } else if (strcmp(mode, "control") == 0) {
2279 flags = MONITOR_USE_CONTROL;
2280 } else {
2281 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2282 exit(1);
2283 }
2284
2285 if (qemu_opt_get_bool(opts, "pretty", 0))
2286 flags |= MONITOR_USE_PRETTY;
2287
2288 if (qemu_opt_get_bool(opts, "default", 0))
2289 flags |= MONITOR_IS_DEFAULT;
2290
2291 chardev = qemu_opt_get(opts, "chardev");
2292 chr = qemu_chr_find(chardev);
2293 if (chr == NULL) {
2294 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2295 exit(1);
2296 }
2297
2298 monitor_init(chr, flags);
2299 return 0;
2300 }
2301
2302 static void monitor_parse(const char *optarg, const char *mode)
2303 {
2304 static int monitor_device_index = 0;
2305 QemuOpts *opts;
2306 const char *p;
2307 char label[32];
2308 int def = 0;
2309
2310 if (strstart(optarg, "chardev:", &p)) {
2311 snprintf(label, sizeof(label), "%s", p);
2312 } else {
2313 snprintf(label, sizeof(label), "compat_monitor%d",
2314 monitor_device_index);
2315 if (monitor_device_index == 0) {
2316 def = 1;
2317 }
2318 opts = qemu_chr_parse_compat(label, optarg);
2319 if (!opts) {
2320 fprintf(stderr, "parse error: %s\n", optarg);
2321 exit(1);
2322 }
2323 }
2324
2325 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2326 if (!opts) {
2327 fprintf(stderr, "duplicate chardev: %s\n", label);
2328 exit(1);
2329 }
2330 qemu_opt_set(opts, "mode", mode);
2331 qemu_opt_set(opts, "chardev", label);
2332 if (def)
2333 qemu_opt_set(opts, "default", "on");
2334 monitor_device_index++;
2335 }
2336
2337 struct device_config {
2338 enum {
2339 DEV_USB, /* -usbdevice */
2340 DEV_BT, /* -bt */
2341 DEV_SERIAL, /* -serial */
2342 DEV_PARALLEL, /* -parallel */
2343 DEV_VIRTCON, /* -virtioconsole */
2344 DEV_DEBUGCON, /* -debugcon */
2345 DEV_GDB, /* -gdb, -s */
2346 DEV_SCLP, /* s390 sclp */
2347 } type;
2348 const char *cmdline;
2349 Location loc;
2350 QTAILQ_ENTRY(device_config) next;
2351 };
2352
2353 static QTAILQ_HEAD(, device_config) device_configs =
2354 QTAILQ_HEAD_INITIALIZER(device_configs);
2355
2356 static void add_device_config(int type, const char *cmdline)
2357 {
2358 struct device_config *conf;
2359
2360 conf = g_malloc0(sizeof(*conf));
2361 conf->type = type;
2362 conf->cmdline = cmdline;
2363 loc_save(&conf->loc);
2364 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2365 }
2366
2367 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2368 {
2369 struct device_config *conf;
2370 int rc;
2371
2372 QTAILQ_FOREACH(conf, &device_configs, next) {
2373 if (conf->type != type)
2374 continue;
2375 loc_push_restore(&conf->loc);
2376 rc = func(conf->cmdline);
2377 loc_pop(&conf->loc);
2378 if (0 != rc)
2379 return rc;
2380 }
2381 return 0;
2382 }
2383
2384 static int serial_parse(const char *devname)
2385 {
2386 static int index = 0;
2387 char label[32];
2388
2389 if (strcmp(devname, "none") == 0)
2390 return 0;
2391 if (index == MAX_SERIAL_PORTS) {
2392 fprintf(stderr, "qemu: too many serial ports\n");
2393 exit(1);
2394 }
2395 snprintf(label, sizeof(label), "serial%d", index);
2396 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2397 if (!serial_hds[index]) {
2398 fprintf(stderr, "qemu: could not connect serial device"
2399 " to character backend '%s'\n", devname);
2400 return -1;
2401 }
2402 index++;
2403 return 0;
2404 }
2405
2406 static int parallel_parse(const char *devname)
2407 {
2408 static int index = 0;
2409 char label[32];
2410
2411 if (strcmp(devname, "none") == 0)
2412 return 0;
2413 if (index == MAX_PARALLEL_PORTS) {
2414 fprintf(stderr, "qemu: too many parallel ports\n");
2415 exit(1);
2416 }
2417 snprintf(label, sizeof(label), "parallel%d", index);
2418 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2419 if (!parallel_hds[index]) {
2420 fprintf(stderr, "qemu: could not connect parallel device"
2421 " to character backend '%s'\n", devname);
2422 return -1;
2423 }
2424 index++;
2425 return 0;
2426 }
2427
2428 static int virtcon_parse(const char *devname)
2429 {
2430 QemuOptsList *device = qemu_find_opts("device");
2431 static int index = 0;
2432 char label[32];
2433 QemuOpts *bus_opts, *dev_opts;
2434
2435 if (strcmp(devname, "none") == 0)
2436 return 0;
2437 if (index == MAX_VIRTIO_CONSOLES) {
2438 fprintf(stderr, "qemu: too many virtio consoles\n");
2439 exit(1);
2440 }
2441
2442 bus_opts = qemu_opts_create_nofail(device);
2443 if (arch_type == QEMU_ARCH_S390X) {
2444 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2445 } else {
2446 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2447 }
2448
2449 dev_opts = qemu_opts_create_nofail(device);
2450 qemu_opt_set(dev_opts, "driver", "virtconsole");
2451
2452 snprintf(label, sizeof(label), "virtcon%d", index);
2453 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2454 if (!virtcon_hds[index]) {
2455 fprintf(stderr, "qemu: could not connect virtio console"
2456 " to character backend '%s'\n", devname);
2457 return -1;
2458 }
2459 qemu_opt_set(dev_opts, "chardev", label);
2460
2461 index++;
2462 return 0;
2463 }
2464
2465 static int sclp_parse(const char *devname)
2466 {
2467 QemuOptsList *device = qemu_find_opts("device");
2468 static int index = 0;
2469 char label[32];
2470 QemuOpts *dev_opts;
2471
2472 if (strcmp(devname, "none") == 0) {
2473 return 0;
2474 }
2475 if (index == MAX_SCLP_CONSOLES) {
2476 fprintf(stderr, "qemu: too many sclp consoles\n");
2477 exit(1);
2478 }
2479
2480 assert(arch_type == QEMU_ARCH_S390X);
2481
2482 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2483 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2484
2485 snprintf(label, sizeof(label), "sclpcon%d", index);
2486 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2487 if (!sclp_hds[index]) {
2488 fprintf(stderr, "qemu: could not connect sclp console"
2489 " to character backend '%s'\n", devname);
2490 return -1;
2491 }
2492 qemu_opt_set(dev_opts, "chardev", label);
2493
2494 index++;
2495 return 0;
2496 }
2497
2498 static int debugcon_parse(const char *devname)
2499 {
2500 QemuOpts *opts;
2501
2502 if (!qemu_chr_new("debugcon", devname, NULL)) {
2503 exit(1);
2504 }
2505 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2506 if (!opts) {
2507 fprintf(stderr, "qemu: already have a debugcon device\n");
2508 exit(1);
2509 }
2510 qemu_opt_set(opts, "driver", "isa-debugcon");
2511 qemu_opt_set(opts, "chardev", "debugcon");
2512 return 0;
2513 }
2514
2515 static QEMUMachine *machine_parse(const char *name)
2516 {
2517 QEMUMachine *m, *machine = NULL;
2518
2519 if (name) {
2520 machine = find_machine(name);
2521 }
2522 if (machine) {
2523 return machine;
2524 }
2525 printf("Supported machines are:\n");
2526 for (m = first_machine; m != NULL; m = m->next) {
2527 if (m->alias) {
2528 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2529 }
2530 printf("%-20s %s%s\n", m->name, m->desc,
2531 m->is_default ? " (default)" : "");
2532 }
2533 exit(!name || !is_help_option(name));
2534 }
2535
2536 static int tcg_init(void)
2537 {
2538 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2539 return 0;
2540 }
2541
2542 static struct {
2543 const char *opt_name;
2544 const char *name;
2545 int (*available)(void);
2546 int (*init)(void);
2547 int *allowed;
2548 } accel_list[] = {
2549 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2550 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2551 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2552 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2553 };
2554
2555 static int configure_accelerator(void)
2556 {
2557 const char *p = NULL;
2558 char buf[10];
2559 int i, ret;
2560 bool accel_initialised = 0;
2561 bool init_failed = 0;
2562
2563 QemuOptsList *list = qemu_find_opts("machine");
2564 if (!QTAILQ_EMPTY(&list->head)) {
2565 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2566 }
2567
2568 if (p == NULL) {
2569 /* Use the default "accelerator", tcg */
2570 p = "tcg";
2571 }
2572
2573 while (!accel_initialised && *p != '\0') {
2574 if (*p == ':') {
2575 p++;
2576 }
2577 p = get_opt_name(buf, sizeof (buf), p, ':');
2578 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2579 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2580 *(accel_list[i].allowed) = 1;
2581 ret = accel_list[i].init();
2582 if (ret < 0) {
2583 init_failed = 1;
2584 if (!accel_list[i].available()) {
2585 printf("%s not supported for this target\n",
2586 accel_list[i].name);
2587 } else {
2588 fprintf(stderr, "failed to initialize %s: %s\n",
2589 accel_list[i].name,
2590 strerror(-ret));
2591 }
2592 *(accel_list[i].allowed) = 0;
2593 } else {
2594 accel_initialised = 1;
2595 }
2596 break;
2597 }
2598 }
2599 if (i == ARRAY_SIZE(accel_list)) {
2600 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2601 }
2602 }
2603
2604 if (!accel_initialised) {
2605 fprintf(stderr, "No accelerator found!\n");
2606 exit(1);
2607 }
2608
2609 if (init_failed) {
2610 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2611 }
2612
2613 return !accel_initialised;
2614 }
2615
2616 void qemu_add_exit_notifier(Notifier *notify)
2617 {
2618 notifier_list_add(&exit_notifiers, notify);
2619 }
2620
2621 void qemu_remove_exit_notifier(Notifier *notify)
2622 {
2623 notifier_remove(notify);
2624 }
2625
2626 static void qemu_run_exit_notifiers(void)
2627 {
2628 notifier_list_notify(&exit_notifiers, NULL);
2629 }
2630
2631 void qemu_add_machine_init_done_notifier(Notifier *notify)
2632 {
2633 notifier_list_add(&machine_init_done_notifiers, notify);
2634 }
2635
2636 static void qemu_run_machine_init_done_notifiers(void)
2637 {
2638 notifier_list_notify(&machine_init_done_notifiers, NULL);
2639 }
2640
2641 static const QEMUOption *lookup_opt(int argc, char **argv,
2642 const char **poptarg, int *poptind)
2643 {
2644 const QEMUOption *popt;
2645 int optind = *poptind;
2646 char *r = argv[optind];
2647 const char *optarg;
2648
2649 loc_set_cmdline(argv, optind, 1);
2650 optind++;
2651 /* Treat --foo the same as -foo. */
2652 if (r[1] == '-')
2653 r++;
2654 popt = qemu_options;
2655 for(;;) {
2656 if (!popt->name) {
2657 error_report("invalid option");
2658 exit(1);
2659 }
2660 if (!strcmp(popt->name, r + 1))
2661 break;
2662 popt++;
2663 }
2664 if (popt->flags & HAS_ARG) {
2665 if (optind >= argc) {
2666 error_report("requires an argument");
2667 exit(1);
2668 }
2669 optarg = argv[optind++];
2670 loc_set_cmdline(argv, optind - 2, 2);
2671 } else {
2672 optarg = NULL;
2673 }
2674
2675 *poptarg = optarg;
2676 *poptind = optind;
2677
2678 return popt;
2679 }
2680
2681 static gpointer malloc_and_trace(gsize n_bytes)
2682 {
2683 void *ptr = malloc(n_bytes);
2684 trace_g_malloc(n_bytes, ptr);
2685 return ptr;
2686 }
2687
2688 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2689 {
2690 void *ptr = realloc(mem, n_bytes);
2691 trace_g_realloc(mem, n_bytes, ptr);
2692 return ptr;
2693 }
2694
2695 static void free_and_trace(gpointer mem)
2696 {
2697 trace_g_free(mem);
2698 free(mem);
2699 }
2700
2701 static int object_set_property(const char *name, const char *value, void *opaque)
2702 {
2703 Object *obj = OBJECT(opaque);
2704 StringInputVisitor *siv;
2705 Error *local_err = NULL;
2706
2707 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2708 return 0;
2709 }
2710
2711 siv = string_input_visitor_new(value);
2712 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2713 string_input_visitor_cleanup(siv);
2714
2715 if (local_err) {
2716 qerror_report_err(local_err);
2717 error_free(local_err);
2718 return -1;
2719 }
2720
2721 return 0;
2722 }
2723
2724 static int object_create(QemuOpts *opts, void *opaque)
2725 {
2726 const char *type = qemu_opt_get(opts, "qom-type");
2727 const char *id = qemu_opts_id(opts);
2728 Object *obj;
2729
2730 g_assert(type != NULL);
2731
2732 if (id == NULL) {
2733 qerror_report(QERR_MISSING_PARAMETER, "id");
2734 return -1;
2735 }
2736
2737 obj = object_new(type);
2738 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2739 return -1;
2740 }
2741
2742 object_property_add_child(container_get(object_get_root(), "/objects"),
2743 id, obj, NULL);
2744
2745 return 0;
2746 }
2747
2748 int main(int argc, char **argv, char **envp)
2749 {
2750 int i;
2751 int snapshot, linux_boot;
2752 const char *icount_option = NULL;
2753 const char *initrd_filename;
2754 const char *kernel_filename, *kernel_cmdline;
2755 char boot_devices[33] = "";
2756 DisplayState *ds;
2757 int cyls, heads, secs, translation;
2758 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2759 QemuOptsList *olist;
2760 int optind;
2761 const char *optarg;
2762 const char *loadvm = NULL;
2763 QEMUMachine *machine;
2764 const char *cpu_model;
2765 const char *vga_model = "none";
2766 const char *pid_file = NULL;
2767 const char *incoming = NULL;
2768 #ifdef CONFIG_VNC
2769 int show_vnc_port = 0;
2770 #endif
2771 bool defconfig = true;
2772 bool userconfig = true;
2773 const char *log_mask = NULL;
2774 const char *log_file = NULL;
2775 GMemVTable mem_trace = {
2776 .malloc = malloc_and_trace,
2777 .realloc = realloc_and_trace,
2778 .free = free_and_trace,
2779 };
2780 const char *trace_events = NULL;
2781 const char *trace_file = NULL;
2782
2783 atexit(qemu_run_exit_notifiers);
2784 error_set_progname(argv[0]);
2785
2786 g_mem_set_vtable(&mem_trace);
2787 if (!g_thread_supported()) {
2788 #if !GLIB_CHECK_VERSION(2, 31, 0)
2789 g_thread_init(NULL);
2790 #else
2791 fprintf(stderr, "glib threading failed to initialize.\n");
2792 exit(1);
2793 #endif
2794 }
2795
2796 module_call_init(MODULE_INIT_QOM);
2797
2798 qemu_add_opts(&qemu_drive_opts);
2799 qemu_add_opts(&qemu_chardev_opts);
2800 qemu_add_opts(&qemu_device_opts);
2801 qemu_add_opts(&qemu_netdev_opts);
2802 qemu_add_opts(&qemu_net_opts);
2803 qemu_add_opts(&qemu_rtc_opts);
2804 qemu_add_opts(&qemu_global_opts);
2805 qemu_add_opts(&qemu_mon_opts);
2806 qemu_add_opts(&qemu_trace_opts);
2807 qemu_add_opts(&qemu_option_rom_opts);
2808 qemu_add_opts(&qemu_machine_opts);
2809 qemu_add_opts(&qemu_boot_opts);
2810 qemu_add_opts(&qemu_sandbox_opts);
2811 qemu_add_opts(&qemu_add_fd_opts);
2812 qemu_add_opts(&qemu_object_opts);
2813
2814 runstate_init();
2815
2816 init_clocks();
2817 rtc_clock = host_clock;
2818
2819 qemu_cache_utils_init(envp);
2820
2821 QLIST_INIT (&vm_change_state_head);
2822 os_setup_early_signal_handling();
2823
2824 module_call_init(MODULE_INIT_MACHINE);
2825 machine = find_default_machine();
2826 cpu_model = NULL;
2827 ram_size = 0;
2828 snapshot = 0;
2829 cyls = heads = secs = 0;
2830 translation = BIOS_ATA_TRANSLATION_AUTO;
2831
2832 for (i = 0; i < MAX_NODES; i++) {
2833 node_mem[i] = 0;
2834 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2835 }
2836
2837 nb_numa_nodes = 0;
2838 nb_nics = 0;
2839
2840 autostart= 1;
2841
2842 /* first pass of option parsing */
2843 optind = 1;
2844 while (optind < argc) {
2845 if (argv[optind][0] != '-') {
2846 /* disk image */
2847 optind++;
2848 continue;
2849 } else {
2850 const QEMUOption *popt;
2851
2852 popt = lookup_opt(argc, argv, &optarg, &optind);
2853 switch (popt->index) {
2854 case QEMU_OPTION_nodefconfig:
2855 defconfig = false;
2856 break;
2857 case QEMU_OPTION_nouserconfig:
2858 userconfig = false;
2859 break;
2860 }
2861 }
2862 }
2863
2864 if (defconfig) {
2865 int ret;
2866 ret = qemu_read_default_config_files(userconfig);
2867 if (ret < 0) {
2868 exit(1);
2869 }
2870 }
2871
2872 /* second pass of option parsing */
2873 optind = 1;
2874 for(;;) {
2875 if (optind >= argc)
2876 break;
2877 if (argv[optind][0] != '-') {
2878 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2879 } else {
2880 const QEMUOption *popt;
2881
2882 popt = lookup_opt(argc, argv, &optarg, &optind);
2883 if (!(popt->arch_mask & arch_type)) {
2884 printf("Option %s not supported for this target\n", popt->name);
2885 exit(1);
2886 }
2887 switch(popt->index) {
2888 case QEMU_OPTION_M:
2889 machine = machine_parse(optarg);
2890 break;
2891 case QEMU_OPTION_no_kvm_irqchip: {
2892 olist = qemu_find_opts("machine");
2893 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2894 break;
2895 }
2896 case QEMU_OPTION_cpu:
2897 /* hw initialization will check this */
2898 cpu_model = optarg;
2899 break;
2900 case QEMU_OPTION_hda:
2901 {
2902 char buf[256];
2903 if (cyls == 0)
2904 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2905 else
2906 snprintf(buf, sizeof(buf),
2907 "%s,cyls=%d,heads=%d,secs=%d%s",
2908 HD_OPTS , cyls, heads, secs,
2909 translation == BIOS_ATA_TRANSLATION_LBA ?
2910 ",trans=lba" :
2911 translation == BIOS_ATA_TRANSLATION_NONE ?
2912 ",trans=none" : "");
2913 drive_add(IF_DEFAULT, 0, optarg, buf);
2914 break;
2915 }
2916 case QEMU_OPTION_hdb:
2917 case QEMU_OPTION_hdc:
2918 case QEMU_OPTION_hdd:
2919 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2920 HD_OPTS);
2921 break;
2922 case QEMU_OPTION_drive:
2923 if (drive_def(optarg) == NULL) {
2924 exit(1);
2925 }
2926 break;
2927 case QEMU_OPTION_set:
2928 if (qemu_set_option(optarg) != 0)
2929 exit(1);
2930 break;
2931 case QEMU_OPTION_global:
2932 if (qemu_global_option(optarg) != 0)
2933 exit(1);
2934 break;
2935 case QEMU_OPTION_mtdblock:
2936 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2937 break;
2938 case QEMU_OPTION_sd:
2939 drive_add(IF_SD, 0, optarg, SD_OPTS);
2940 break;
2941 case QEMU_OPTION_pflash:
2942 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2943 break;
2944 case QEMU_OPTION_snapshot:
2945 snapshot = 1;
2946 break;
2947 case QEMU_OPTION_hdachs:
2948 {
2949 const char *p;
2950 p = optarg;
2951 cyls = strtol(p, (char **)&p, 0);
2952 if (cyls < 1 || cyls > 16383)
2953 goto chs_fail;
2954 if (*p != ',')
2955 goto chs_fail;
2956 p++;
2957 heads = strtol(p, (char **)&p, 0);
2958 if (heads < 1 || heads > 16)
2959 goto chs_fail;
2960 if (*p != ',')
2961 goto chs_fail;
2962 p++;
2963 secs = strtol(p, (char **)&p, 0);
2964 if (secs < 1 || secs > 63)
2965 goto chs_fail;
2966 if (*p == ',') {
2967 p++;
2968 if (!strcmp(p, "none"))
2969 translation = BIOS_ATA_TRANSLATION_NONE;
2970 else if (!strcmp(p, "lba"))
2971 translation = BIOS_ATA_TRANSLATION_LBA;
2972 else if (!strcmp(p, "auto"))
2973 translation = BIOS_ATA_TRANSLATION_AUTO;
2974 else
2975 goto chs_fail;
2976 } else if (*p != '\0') {
2977 chs_fail:
2978 fprintf(stderr, "qemu: invalid physical CHS format\n");
2979 exit(1);
2980 }
2981 if (hda_opts != NULL) {
2982 char num[16];
2983 snprintf(num, sizeof(num), "%d", cyls);
2984 qemu_opt_set(hda_opts, "cyls", num);
2985 snprintf(num, sizeof(num), "%d", heads);
2986 qemu_opt_set(hda_opts, "heads", num);
2987 snprintf(num, sizeof(num), "%d", secs);
2988 qemu_opt_set(hda_opts, "secs", num);
2989 if (translation == BIOS_ATA_TRANSLATION_LBA)
2990 qemu_opt_set(hda_opts, "trans", "lba");
2991 if (translation == BIOS_ATA_TRANSLATION_NONE)
2992 qemu_opt_set(hda_opts, "trans", "none");
2993 }
2994 }
2995 break;
2996 case QEMU_OPTION_numa:
2997 if (nb_numa_nodes >= MAX_NODES) {
2998 fprintf(stderr, "qemu: too many NUMA nodes\n");
2999 exit(1);
3000 }
3001 numa_add(optarg);
3002 break;
3003 case QEMU_OPTION_display:
3004 display_type = select_display(optarg);
3005 break;
3006 case QEMU_OPTION_nographic:
3007 display_type = DT_NOGRAPHIC;
3008 break;
3009 case QEMU_OPTION_curses:
3010 #ifdef CONFIG_CURSES
3011 display_type = DT_CURSES;
3012 #else
3013 fprintf(stderr, "Curses support is disabled\n");
3014 exit(1);
3015 #endif
3016 break;
3017 case QEMU_OPTION_portrait:
3018 graphic_rotate = 90;
3019 break;
3020 case QEMU_OPTION_rotate:
3021 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3022 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3023 graphic_rotate != 180 && graphic_rotate != 270) {
3024 fprintf(stderr,
3025 "qemu: only 90, 180, 270 deg rotation is available\n");
3026 exit(1);
3027 }
3028 break;
3029 case QEMU_OPTION_kernel:
3030 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3031 break;
3032 case QEMU_OPTION_initrd:
3033 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3034 break;
3035 case QEMU_OPTION_append:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3037 break;
3038 case QEMU_OPTION_dtb:
3039 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3040 break;
3041 case QEMU_OPTION_cdrom:
3042 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3043 break;
3044 case QEMU_OPTION_boot:
3045 {
3046 static const char * const params[] = {
3047 "order", "once", "menu",
3048 "splash", "splash-time",
3049 "reboot-timeout", NULL
3050 };
3051 char buf[sizeof(boot_devices)];
3052 char *standard_boot_devices;
3053 int legacy = 0;
3054
3055 if (!strchr(optarg, '=')) {
3056 legacy = 1;
3057 pstrcpy(buf, sizeof(buf), optarg);
3058 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3059 fprintf(stderr,
3060 "qemu: unknown boot parameter '%s' in '%s'\n",
3061 buf, optarg);
3062 exit(1);
3063 }
3064
3065 if (legacy ||
3066 get_param_value(buf, sizeof(buf), "order", optarg)) {
3067 validate_bootdevices(buf);
3068 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3069 }
3070 if (!legacy) {
3071 if (get_param_value(buf, sizeof(buf),
3072 "once", optarg)) {
3073 validate_bootdevices(buf);
3074 standard_boot_devices = g_strdup(boot_devices);
3075 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3076 qemu_register_reset(restore_boot_devices,
3077 standard_boot_devices);
3078 }
3079 if (get_param_value(buf, sizeof(buf),
3080 "menu", optarg)) {
3081 if (!strcmp(buf, "on")) {
3082 boot_menu = 1;
3083 } else if (!strcmp(buf, "off")) {
3084 boot_menu = 0;
3085 } else {
3086 fprintf(stderr,
3087 "qemu: invalid option value '%s'\n",
3088 buf);
3089 exit(1);
3090 }
3091 }
3092 qemu_opts_parse(qemu_find_opts("boot-opts"),
3093 optarg, 0);
3094 }
3095 }
3096 break;
3097 case QEMU_OPTION_fda:
3098 case QEMU_OPTION_fdb:
3099 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3100 optarg, FD_OPTS);
3101 break;
3102 case QEMU_OPTION_no_fd_bootchk:
3103 fd_bootchk = 0;
3104 break;
3105 case QEMU_OPTION_netdev:
3106 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3107 exit(1);
3108 }
3109 break;
3110 case QEMU_OPTION_net:
3111 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3112 exit(1);
3113 }
3114 break;
3115 #ifdef CONFIG_LIBISCSI
3116 case QEMU_OPTION_iscsi:
3117 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3118 if (!opts) {
3119 exit(1);
3120 }
3121 break;
3122 #endif
3123 #ifdef CONFIG_SLIRP
3124 case QEMU_OPTION_tftp:
3125 legacy_tftp_prefix = optarg;
3126 break;
3127 case QEMU_OPTION_bootp:
3128 legacy_bootp_filename = optarg;
3129 break;
3130 case QEMU_OPTION_redir:
3131 if (net_slirp_redir(optarg) < 0)
3132 exit(1);
3133 break;
3134 #endif
3135 case QEMU_OPTION_bt:
3136 add_device_config(DEV_BT, optarg);
3137 break;
3138 case QEMU_OPTION_audio_help:
3139 if (!(audio_available())) {
3140 printf("Option %s not supported for this target\n", popt->name);
3141 exit(1);
3142 }
3143 AUD_help ();
3144 exit (0);
3145 break;
3146 case QEMU_OPTION_soundhw:
3147 if (!(audio_available())) {
3148 printf("Option %s not supported for this target\n", popt->name);
3149 exit(1);
3150 }
3151 select_soundhw (optarg);
3152 break;
3153 case QEMU_OPTION_h:
3154 help(0);
3155 break;
3156 case QEMU_OPTION_version:
3157 version();
3158 exit(0);
3159 break;
3160 case QEMU_OPTION_m: {
3161 int64_t value;
3162 uint64_t sz;
3163 char *end;
3164
3165 value = strtosz(optarg, &end);
3166 if (value < 0 || *end) {
3167 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3168 exit(1);
3169 }
3170 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3171 ram_size = sz;
3172 if (ram_size != sz) {
3173 fprintf(stderr, "qemu: ram size too large\n");
3174 exit(1);
3175 }
3176 break;
3177 }
3178 case QEMU_OPTION_mempath:
3179 mem_path = optarg;
3180 break;
3181 #ifdef MAP_POPULATE
3182 case QEMU_OPTION_mem_prealloc:
3183 mem_prealloc = 1;
3184 break;
3185 #endif
3186 case QEMU_OPTION_d:
3187 log_mask = optarg;
3188 break;
3189 case QEMU_OPTION_D:
3190 log_file = optarg;
3191 break;
3192 case QEMU_OPTION_s:
3193 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3194 break;
3195 case QEMU_OPTION_gdb:
3196 add_device_config(DEV_GDB, optarg);
3197 break;
3198 case QEMU_OPTION_L:
3199 data_dir = optarg;
3200 break;
3201 case QEMU_OPTION_bios:
3202 bios_name = optarg;
3203 break;
3204 case QEMU_OPTION_singlestep:
3205 singlestep = 1;
3206 break;
3207 case QEMU_OPTION_S:
3208 autostart = 0;
3209 break;
3210 case QEMU_OPTION_k:
3211 keyboard_layout = optarg;
3212 break;
3213 case QEMU_OPTION_localtime:
3214 rtc_utc = 0;
3215 break;
3216 case QEMU_OPTION_vga:
3217 vga_model = optarg;
3218 default_vga = 0;
3219 break;
3220 case QEMU_OPTION_g:
3221 {
3222 const char *p;
3223 int w, h, depth;
3224 p = optarg;
3225 w = strtol(p, (char **)&p, 10);
3226 if (w <= 0) {
3227 graphic_error:
3228 fprintf(stderr, "qemu: invalid resolution or depth\n");
3229 exit(1);
3230 }
3231 if (*p != 'x')
3232 goto graphic_error;
3233 p++;
3234 h = strtol(p, (char **)&p, 10);
3235 if (h <= 0)
3236 goto graphic_error;
3237 if (*p == 'x') {
3238 p++;
3239 depth = strtol(p, (char **)&p, 10);
3240 if (depth != 8 && depth != 15 && depth != 16 &&
3241 depth != 24 && depth != 32)
3242 goto graphic_error;
3243 } else if (*p == '\0') {
3244 depth = graphic_depth;
3245 } else {
3246 goto graphic_error;
3247 }
3248
3249 graphic_width = w;
3250 graphic_height = h;
3251 graphic_depth = depth;
3252 }
3253 break;
3254 case QEMU_OPTION_echr:
3255 {
3256 char *r;
3257 term_escape_char = strtol(optarg, &r, 0);
3258 if (r == optarg)
3259 printf("Bad argument to echr\n");
3260 break;
3261 }
3262 case QEMU_OPTION_monitor:
3263 monitor_parse(optarg, "readline");
3264 default_monitor = 0;
3265 break;
3266 case QEMU_OPTION_qmp:
3267 monitor_parse(optarg, "control");
3268 default_monitor = 0;
3269 break;
3270 case QEMU_OPTION_mon:
3271 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3272 if (!opts) {
3273 exit(1);
3274 }
3275 default_monitor = 0;
3276 break;
3277 case QEMU_OPTION_chardev:
3278 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 break;
3283 case QEMU_OPTION_fsdev:
3284 olist = qemu_find_opts("fsdev");
3285 if (!olist) {
3286 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3287 exit(1);
3288 }
3289 opts = qemu_opts_parse(olist, optarg, 1);
3290 if (!opts) {
3291 fprintf(stderr, "parse error: %s\n", optarg);
3292 exit(1);
3293 }
3294 break;
3295 case QEMU_OPTION_virtfs: {
3296 QemuOpts *fsdev;
3297 QemuOpts *device;
3298 const char *writeout, *sock_fd, *socket;
3299
3300 olist = qemu_find_opts("virtfs");
3301 if (!olist) {
3302 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3303 exit(1);
3304 }
3305 opts = qemu_opts_parse(olist, optarg, 1);
3306 if (!opts) {
3307 fprintf(stderr, "parse error: %s\n", optarg);
3308 exit(1);
3309 }
3310
3311 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3312 qemu_opt_get(opts, "mount_tag") == NULL) {
3313 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3314 exit(1);
3315 }
3316 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3317 qemu_opt_get(opts, "mount_tag"),
3318 1, NULL);
3319 if (!fsdev) {
3320 fprintf(stderr, "duplicate fsdev id: %s\n",
3321 qemu_opt_get(opts, "mount_tag"));
3322 exit(1);
3323 }
3324
3325 writeout = qemu_opt_get(opts, "writeout");
3326 if (writeout) {
3327 #ifdef CONFIG_SYNC_FILE_RANGE
3328 qemu_opt_set(fsdev, "writeout", writeout);
3329 #else
3330 fprintf(stderr, "writeout=immediate not supported on "
3331 "this platform\n");
3332 exit(1);
3333 #endif
3334 }
3335 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3336 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3337 qemu_opt_set(fsdev, "security_model",
3338 qemu_opt_get(opts, "security_model"));
3339 socket = qemu_opt_get(opts, "socket");
3340 if (socket) {
3341 qemu_opt_set(fsdev, "socket", socket);
3342 }
3343 sock_fd = qemu_opt_get(opts, "sock_fd");
3344 if (sock_fd) {
3345 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3346 }
3347
3348 qemu_opt_set_bool(fsdev, "readonly",
3349 qemu_opt_get_bool(opts, "readonly", 0));
3350 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3351 qemu_opt_set(device, "driver", "virtio-9p-pci");
3352 qemu_opt_set(device, "fsdev",
3353 qemu_opt_get(opts, "mount_tag"));
3354 qemu_opt_set(device, "mount_tag",
3355 qemu_opt_get(opts, "mount_tag"));
3356 break;
3357 }
3358 case QEMU_OPTION_virtfs_synth: {
3359 QemuOpts *fsdev;
3360 QemuOpts *device;
3361
3362 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3363 1, NULL);
3364 if (!fsdev) {
3365 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3366 exit(1);
3367 }
3368 qemu_opt_set(fsdev, "fsdriver", "synth");
3369
3370 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3371 qemu_opt_set(device, "driver", "virtio-9p-pci");
3372 qemu_opt_set(device, "fsdev", "v_synth");
3373 qemu_opt_set(device, "mount_tag", "v_synth");
3374 break;
3375 }
3376 case QEMU_OPTION_serial:
3377 add_device_config(DEV_SERIAL, optarg);
3378 default_serial = 0;
3379 if (strncmp(optarg, "mon:", 4) == 0) {
3380 default_monitor = 0;
3381 }
3382 break;
3383 case QEMU_OPTION_watchdog:
3384 if (watchdog) {
3385 fprintf(stderr,
3386 "qemu: only one watchdog option may be given\n");
3387 return 1;
3388 }
3389 watchdog = optarg;
3390 break;
3391 case QEMU_OPTION_watchdog_action:
3392 if (select_watchdog_action(optarg) == -1) {
3393 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3394 exit(1);
3395 }
3396 break;
3397 case QEMU_OPTION_virtiocon:
3398 add_device_config(DEV_VIRTCON, optarg);
3399 default_virtcon = 0;
3400 if (strncmp(optarg, "mon:", 4) == 0) {
3401 default_monitor = 0;
3402 }
3403 break;
3404 case QEMU_OPTION_parallel:
3405 add_device_config(DEV_PARALLEL, optarg);
3406 default_parallel = 0;
3407 if (strncmp(optarg, "mon:", 4) == 0) {
3408 default_monitor = 0;
3409 }
3410 break;
3411 case QEMU_OPTION_debugcon:
3412 add_device_config(DEV_DEBUGCON, optarg);
3413 break;
3414 case QEMU_OPTION_loadvm:
3415 loadvm = optarg;
3416 break;
3417 case QEMU_OPTION_full_screen:
3418 full_screen = 1;
3419 break;
3420 #ifdef CONFIG_SDL
3421 case QEMU_OPTION_no_frame:
3422 no_frame = 1;
3423 break;
3424 case QEMU_OPTION_alt_grab:
3425 alt_grab = 1;
3426 break;
3427 case QEMU_OPTION_ctrl_grab:
3428 ctrl_grab = 1;
3429 break;
3430 case QEMU_OPTION_no_quit:
3431 no_quit = 1;
3432 break;
3433 case QEMU_OPTION_sdl:
3434 display_type = DT_SDL;
3435 break;
3436 #else
3437 case QEMU_OPTION_no_frame:
3438 case QEMU_OPTION_alt_grab:
3439 case QEMU_OPTION_ctrl_grab:
3440 case QEMU_OPTION_no_quit:
3441 case QEMU_OPTION_sdl:
3442 fprintf(stderr, "SDL support is disabled\n");
3443 exit(1);
3444 #endif
3445 case QEMU_OPTION_pidfile:
3446 pid_file = optarg;
3447 break;
3448 case QEMU_OPTION_win2k_hack:
3449 win2k_install_hack = 1;
3450 break;
3451 case QEMU_OPTION_rtc_td_hack: {
3452 static GlobalProperty slew_lost_ticks[] = {
3453 {
3454 .driver = "mc146818rtc",
3455 .property = "lost_tick_policy",
3456 .value = "slew",
3457 },
3458 { /* end of list */ }
3459 };
3460
3461 qdev_prop_register_global_list(slew_lost_ticks);
3462 break;
3463 }
3464 case QEMU_OPTION_acpitable:
3465 do_acpitable_option(optarg);
3466 break;
3467 case QEMU_OPTION_smbios:
3468 do_smbios_option(optarg);
3469 break;
3470 case QEMU_OPTION_enable_kvm:
3471 olist = qemu_find_opts("machine");
3472 qemu_opts_parse(olist, "accel=kvm", 0);
3473 break;
3474 case QEMU_OPTION_machine:
3475 olist = qemu_find_opts("machine");
3476 opts = qemu_opts_parse(olist, optarg, 1);
3477 if (!opts) {
3478 fprintf(stderr, "parse error: %s\n", optarg);
3479 exit(1);
3480 }
3481 optarg = qemu_opt_get(opts, "type");
3482 if (optarg) {
3483 machine = machine_parse(optarg);
3484 }
3485 break;
3486 case QEMU_OPTION_no_kvm:
3487 olist = qemu_find_opts("machine");
3488 qemu_opts_parse(olist, "accel=tcg", 0);
3489 break;
3490 case QEMU_OPTION_no_kvm_pit: {
3491 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3492 "separately.\n");
3493 break;
3494 }
3495 case QEMU_OPTION_no_kvm_pit_reinjection: {
3496 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3497 {
3498 .driver = "kvm-pit",
3499 .property = "lost_tick_policy",
3500 .value = "discard",
3501 },
3502 { /* end of list */ }
3503 };
3504
3505 fprintf(stderr, "Warning: option deprecated, use "
3506 "lost_tick_policy property of kvm-pit instead.\n");
3507 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3508 break;
3509 }
3510 case QEMU_OPTION_usb:
3511 olist = qemu_find_opts("machine");
3512 qemu_opts_parse(olist, "usb=on", 0);
3513 break;
3514 case QEMU_OPTION_usbdevice:
3515 olist = qemu_find_opts("machine");
3516 qemu_opts_parse(olist, "usb=on", 0);
3517 add_device_config(DEV_USB, optarg);
3518 break;
3519 case QEMU_OPTION_device:
3520 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3521 exit(1);
3522 }
3523 break;
3524 case QEMU_OPTION_smp:
3525 smp_parse(optarg);
3526 if (smp_cpus < 1) {
3527 fprintf(stderr, "Invalid number of CPUs\n");
3528 exit(1);
3529 }
3530 if (max_cpus < smp_cpus) {
3531 fprintf(stderr, "maxcpus must be equal to or greater than "
3532 "smp\n");
3533 exit(1);
3534 }
3535 if (max_cpus > 255) {
3536 fprintf(stderr, "Unsupported number of maxcpus\n");
3537 exit(1);
3538 }
3539 break;
3540 case QEMU_OPTION_vnc:
3541 #ifdef CONFIG_VNC
3542 display_remote++;
3543 vnc_display = optarg;
3544 #else
3545 fprintf(stderr, "VNC support is disabled\n");
3546 exit(1);
3547 #endif
3548 break;
3549 case QEMU_OPTION_no_acpi:
3550 acpi_enabled = 0;
3551 break;
3552 case QEMU_OPTION_no_hpet:
3553 no_hpet = 1;
3554 break;
3555 case QEMU_OPTION_balloon:
3556 if (balloon_parse(optarg) < 0) {
3557 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3558 exit(1);
3559 }
3560 break;
3561 case QEMU_OPTION_no_reboot:
3562 no_reboot = 1;
3563 break;
3564 case QEMU_OPTION_no_shutdown:
3565 no_shutdown = 1;
3566 break;
3567 case QEMU_OPTION_show_cursor:
3568 cursor_hide = 0;
3569 break;
3570 case QEMU_OPTION_uuid:
3571 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3572 fprintf(stderr, "Fail to parse UUID string."
3573 " Wrong format.\n");
3574 exit(1);
3575 }
3576 break;
3577 case QEMU_OPTION_option_rom:
3578 if (nb_option_roms >= MAX_OPTION_ROMS) {
3579 fprintf(stderr, "Too many option ROMs\n");
3580 exit(1);
3581 }
3582 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3583 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3584 option_rom[nb_option_roms].bootindex =
3585 qemu_opt_get_number(opts, "bootindex", -1);
3586 if (!option_rom[nb_option_roms].name) {
3587 fprintf(stderr, "Option ROM file is not specified\n");
3588 exit(1);
3589 }
3590 nb_option_roms++;
3591 break;
3592 case QEMU_OPTION_semihosting:
3593 semihosting_enabled = 1;
3594 break;
3595 case QEMU_OPTION_tdf:
3596 fprintf(stderr, "Warning: user space PIT time drift fix "
3597 "is no longer supported.\n");
3598 break;
3599 case QEMU_OPTION_name:
3600 qemu_name = g_strdup(optarg);
3601 {
3602 char *p = strchr(qemu_name, ',');
3603 if (p != NULL) {
3604 *p++ = 0;
3605 if (strncmp(p, "process=", 8)) {
3606 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3607 exit(1);
3608 }
3609 p += 8;
3610 os_set_proc_name(p);
3611 }
3612 }
3613 break;
3614 case QEMU_OPTION_prom_env:
3615 if (nb_prom_envs >= MAX_PROM_ENVS) {
3616 fprintf(stderr, "Too many prom variables\n");
3617 exit(1);
3618 }
3619 prom_envs[nb_prom_envs] = optarg;
3620 nb_prom_envs++;
3621 break;
3622 case QEMU_OPTION_old_param:
3623 old_param = 1;
3624 break;
3625 case QEMU_OPTION_clock:
3626 configure_alarms(optarg);
3627 break;
3628 case QEMU_OPTION_startdate:
3629 configure_rtc_date_offset(optarg, 1);
3630 break;
3631 case QEMU_OPTION_rtc:
3632 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3633 if (!opts) {
3634 exit(1);
3635 }
3636 configure_rtc(opts);
3637 break;
3638 case QEMU_OPTION_tb_size:
3639 tcg_tb_size = strtol(optarg, NULL, 0);
3640 if (tcg_tb_size < 0) {
3641 tcg_tb_size = 0;
3642 }
3643 break;
3644 case QEMU_OPTION_icount:
3645 icount_option = optarg;
3646 break;
3647 case QEMU_OPTION_incoming:
3648 incoming = optarg;
3649 runstate_set(RUN_STATE_INMIGRATE);
3650 break;
3651 case QEMU_OPTION_nodefaults:
3652 default_serial = 0;
3653 default_parallel = 0;
3654 default_virtcon = 0;
3655 default_monitor = 0;
3656 default_net = 0;
3657 default_floppy = 0;
3658 default_cdrom = 0;
3659 default_sdcard = 0;
3660 default_vga = 0;
3661 break;
3662 case QEMU_OPTION_xen_domid:
3663 if (!(xen_available())) {
3664 printf("Option %s not supported for this target\n", popt->name);
3665 exit(1);
3666 }
3667 xen_domid = atoi(optarg);
3668 break;
3669 case QEMU_OPTION_xen_create:
3670 if (!(xen_available())) {
3671 printf("Option %s not supported for this target\n", popt->name);
3672 exit(1);
3673 }
3674 xen_mode = XEN_CREATE;
3675 break;
3676 case QEMU_OPTION_xen_attach:
3677 if (!(xen_available())) {
3678 printf("Option %s not supported for this target\n", popt->name);
3679 exit(1);
3680 }
3681 xen_mode = XEN_ATTACH;
3682 break;
3683 case QEMU_OPTION_trace:
3684 {
3685 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3686 if (!opts) {
3687 exit(1);
3688 }
3689 trace_events = qemu_opt_get(opts, "events");
3690 trace_file = qemu_opt_get(opts, "file");
3691 break;
3692 }
3693 case QEMU_OPTION_readconfig:
3694 {
3695 int ret = qemu_read_config_file(optarg);
3696 if (ret < 0) {
3697 fprintf(stderr, "read config %s: %s\n", optarg,
3698 strerror(-ret));
3699 exit(1);
3700 }
3701 break;
3702 }
3703 case QEMU_OPTION_spice:
3704 olist = qemu_find_opts("spice");
3705 if (!olist) {
3706 fprintf(stderr, "spice is not supported by this qemu build.\n");
3707 exit(1);
3708 }
3709 opts = qemu_opts_parse(olist, optarg, 0);
3710 if (!opts) {
3711 fprintf(stderr, "parse error: %s\n", optarg);
3712 exit(1);
3713 }
3714 break;
3715 case QEMU_OPTION_writeconfig:
3716 {
3717 FILE *fp;
3718 if (strcmp(optarg, "-") == 0) {
3719 fp = stdout;
3720 } else {
3721 fp = fopen(optarg, "w");
3722 if (fp == NULL) {
3723 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3724 exit(1);
3725 }
3726 }
3727 qemu_config_write(fp);
3728 fclose(fp);
3729 break;
3730 }
3731 case QEMU_OPTION_qtest:
3732 qtest_chrdev = optarg;
3733 break;
3734 case QEMU_OPTION_qtest_log:
3735 qtest_log = optarg;
3736 break;
3737 case QEMU_OPTION_sandbox:
3738 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3739 if (!opts) {
3740 exit(0);
3741 }
3742 break;
3743 case QEMU_OPTION_add_fd:
3744 #ifndef _WIN32
3745 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3746 if (!opts) {
3747 exit(0);
3748 }
3749 #else
3750 error_report("File descriptor passing is disabled on this "
3751 "platform");
3752 exit(1);
3753 #endif
3754 break;
3755 case QEMU_OPTION_object:
3756 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3757 break;
3758 default:
3759 os_parse_cmd_args(popt->index, optarg);
3760 }
3761 }
3762 }
3763 loc_set_none();
3764
3765 if (qemu_init_main_loop()) {
3766 fprintf(stderr, "qemu_init_main_loop failed\n");
3767 exit(1);
3768 }
3769
3770 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3771 exit(1);
3772 }
3773
3774 #ifndef _WIN32
3775 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3776 exit(1);
3777 }
3778
3779 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3780 exit(1);
3781 }
3782 #endif
3783
3784 if (machine == NULL) {
3785 fprintf(stderr, "No machine found.\n");
3786 exit(1);
3787 }
3788
3789 if (machine->hw_version) {
3790 qemu_set_version(machine->hw_version);
3791 }
3792
3793 if (qemu_opts_foreach(qemu_find_opts("object"),
3794 object_create, NULL, 0) != 0) {
3795 exit(1);
3796 }
3797
3798 /* Init CPU def lists, based on config
3799 * - Must be called after all the qemu_read_config_file() calls
3800 * - Must be called before list_cpus()
3801 * - Must be called before machine->init()
3802 */
3803 cpudef_init();
3804
3805 if (cpu_model && is_help_option(cpu_model)) {
3806 list_cpus(stdout, &fprintf, cpu_model);
3807 exit(0);
3808 }
3809
3810 /* Open the logfile at this point, if necessary. We can't open the logfile
3811 * when encountering either of the logging options (-d or -D) because the
3812 * other one may be encountered later on the command line, changing the
3813 * location or level of logging.
3814 */
3815 if (log_mask) {
3816 if (log_file) {
3817 set_cpu_log_filename(log_file);
3818 }
3819 set_cpu_log(log_mask);
3820 }
3821
3822 if (!trace_backend_init(trace_events, trace_file)) {
3823 exit(1);
3824 }
3825
3826 /* If no data_dir is specified then try to find it relative to the
3827 executable path. */
3828 if (!data_dir) {
3829 data_dir = os_find_datadir(argv[0]);
3830 }
3831 /* If all else fails use the install path specified when building. */
3832 if (!data_dir) {
3833 data_dir = CONFIG_QEMU_DATADIR;
3834 }
3835
3836 /*
3837 * Default to max_cpus = smp_cpus, in case the user doesn't
3838 * specify a max_cpus value.
3839 */
3840 if (!max_cpus)
3841 max_cpus = smp_cpus;
3842
3843 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3844 if (smp_cpus > machine->max_cpus) {
3845 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3846 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3847 machine->max_cpus);
3848 exit(1);
3849 }
3850
3851 /*
3852 * Get the default machine options from the machine if it is not already
3853 * specified either by the configuration file or by the command line.
3854 */
3855 if (machine->default_machine_opts) {
3856 qemu_opts_set_defaults(qemu_find_opts("machine"),
3857 machine->default_machine_opts, 0);
3858 }
3859
3860 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3861 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3862
3863 if (machine->no_serial) {
3864 default_serial = 0;
3865 }
3866 if (machine->no_parallel) {
3867 default_parallel = 0;
3868 }
3869 if (!machine->use_virtcon) {
3870 default_virtcon = 0;
3871 }
3872 if (!machine->use_sclp) {
3873 default_sclp = 0;
3874 }
3875 if (machine->no_floppy) {
3876 default_floppy = 0;
3877 }
3878 if (machine->no_cdrom) {
3879 default_cdrom = 0;
3880 }
3881 if (machine->no_sdcard) {
3882 default_sdcard = 0;
3883 }
3884
3885 if (is_daemonized()) {
3886 /* According to documentation and historically, -nographic redirects
3887 * serial port, parallel port and monitor to stdio, which does not work
3888 * with -daemonize. We can redirect these to null instead, but since
3889 * -nographic is legacy, let's just error out.
3890 * We disallow -nographic only if all other ports are not redirected
3891 * explicitly, to not break existing legacy setups which uses
3892 * -nographic _and_ redirects all ports explicitly - this is valid
3893 * usage, -nographic is just a no-op in this case.
3894 */
3895 if (display_type == DT_NOGRAPHIC
3896 && (default_parallel || default_serial
3897 || default_monitor || default_virtcon)) {
3898 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3899 exit(1);
3900 }
3901 #ifdef CONFIG_CURSES
3902 if (display_type == DT_CURSES) {
3903 fprintf(stderr, "curses display can not be used with -daemonize\n");
3904 exit(1);
3905 }
3906 #endif
3907 }
3908
3909 if (display_type == DT_NOGRAPHIC) {
3910 if (default_parallel)
3911 add_device_config(DEV_PARALLEL, "null");
3912 if (default_serial && default_monitor) {
3913 add_device_config(DEV_SERIAL, "mon:stdio");
3914 } else if (default_virtcon && default_monitor) {
3915 add_device_config(DEV_VIRTCON, "mon:stdio");
3916 } else if (default_sclp && default_monitor) {
3917 add_device_config(DEV_SCLP, "mon:stdio");
3918 } else {
3919 if (default_serial)
3920 add_device_config(DEV_SERIAL, "stdio");
3921 if (default_virtcon)
3922 add_device_config(DEV_VIRTCON, "stdio");
3923 if (default_sclp) {
3924 add_device_config(DEV_SCLP, "stdio");
3925 }
3926 if (default_monitor)
3927 monitor_parse("stdio", "readline");
3928 }
3929 } else {
3930 if (default_serial)
3931 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3932 if (default_parallel)
3933 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3934 if (default_monitor)
3935 monitor_parse("vc:80Cx24C", "readline");
3936 if (default_virtcon)
3937 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3938 if (default_sclp) {
3939 add_device_config(DEV_SCLP, "vc:80Cx24C");
3940 }
3941 }
3942
3943 socket_init();
3944
3945 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3946 exit(1);
3947 #ifdef CONFIG_VIRTFS
3948 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3949 exit(1);
3950 }
3951 #endif
3952
3953 os_daemonize();
3954
3955 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3956 os_pidfile_error();
3957 exit(1);
3958 }
3959
3960 /* init the memory */
3961 if (ram_size == 0) {
3962 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3963 }
3964
3965 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3966 != 0) {
3967 exit(0);
3968 }
3969
3970 configure_accelerator();
3971
3972 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3973 if (machine_opts) {
3974 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3975 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3976 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3977 } else {
3978 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3979 }
3980
3981 if (!kernel_cmdline) {
3982 kernel_cmdline = "";
3983 }
3984
3985 linux_boot = (kernel_filename != NULL);
3986
3987 if (!linux_boot && *kernel_cmdline != '\0') {
3988 fprintf(stderr, "-append only allowed with -kernel option\n");
3989 exit(1);
3990 }
3991
3992 if (!linux_boot && initrd_filename != NULL) {
3993 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3994 exit(1);
3995 }
3996
3997 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3998 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3999 exit(1);
4000 }
4001
4002 os_set_line_buffering();
4003
4004 qemu_init_cpu_loop();
4005 qemu_mutex_lock_iothread();
4006
4007 #ifdef CONFIG_SPICE
4008 /* spice needs the timers to be initialized by this point */
4009 qemu_spice_init();
4010 #endif
4011
4012 if (icount_option && (kvm_enabled() || xen_enabled())) {
4013 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4014 exit(1);
4015 }
4016 configure_icount(icount_option);
4017
4018 /* clean up network at qemu process termination */
4019 atexit(&net_cleanup);
4020
4021 if (net_init_clients() < 0) {
4022 exit(1);
4023 }
4024
4025 /* init the bluetooth world */
4026 if (foreach_device_config(DEV_BT, bt_parse))
4027 exit(1);
4028
4029 if (!xen_enabled()) {
4030 /* On 32-bit hosts, QEMU is limited by virtual address space */
4031 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4032 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4033 exit(1);
4034 }
4035 }
4036
4037 cpu_exec_init_all();
4038
4039 bdrv_init_with_whitelist();
4040
4041 blk_mig_init();
4042
4043 /* open the virtual block devices */
4044 if (snapshot)
4045 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4046 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4047 &machine->block_default_type, 1) != 0) {
4048 exit(1);
4049 }
4050
4051 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4052 CDROM_OPTS);
4053 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4054 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4055
4056 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4057
4058 if (nb_numa_nodes > 0) {
4059 int i;
4060
4061 if (nb_numa_nodes > MAX_NODES) {
4062 nb_numa_nodes = MAX_NODES;
4063 }
4064
4065 /* If no memory size if given for any node, assume the default case
4066 * and distribute the available memory equally across all nodes
4067 */
4068 for (i = 0; i < nb_numa_nodes; i++) {
4069 if (node_mem[i] != 0)
4070 break;
4071 }
4072 if (i == nb_numa_nodes) {
4073 uint64_t usedmem = 0;
4074
4075 /* On Linux, the each node's border has to be 8MB aligned,
4076 * the final node gets the rest.
4077 */
4078 for (i = 0; i < nb_numa_nodes - 1; i++) {
4079 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4080 usedmem += node_mem[i];
4081 }
4082 node_mem[i] = ram_size - usedmem;
4083 }
4084
4085 for (i = 0; i < nb_numa_nodes; i++) {
4086 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4087 break;
4088 }
4089 }
4090 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4091 * must cope with this anyway, because there are BIOSes out there in
4092 * real machines which also use this scheme.
4093 */
4094 if (i == nb_numa_nodes) {
4095 for (i = 0; i < max_cpus; i++) {
4096 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4097 }
4098 }
4099 }
4100
4101 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4102 exit(1);
4103 }
4104
4105 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4106 exit(1);
4107 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4108 exit(1);
4109 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4110 exit(1);
4111 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4112 exit(1);
4113 }
4114 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4115 exit(1);
4116
4117 /* If no default VGA is requested, the default is "none". */
4118 if (default_vga) {
4119 if (cirrus_vga_available()) {
4120 vga_model = "cirrus";
4121 } else if (vga_available()) {
4122 vga_model = "std";
4123 }
4124 }
4125 select_vgahw(vga_model);
4126
4127 if (watchdog) {
4128 i = select_watchdog(watchdog);
4129 if (i > 0)
4130 exit (i == 1 ? 1 : 0);
4131 }
4132
4133 if (machine->compat_props) {
4134 qdev_prop_register_global_list(machine->compat_props);
4135 }
4136 qemu_add_globals();
4137
4138 qdev_machine_init();
4139
4140 QEMUMachineInitArgs args = { .ram_size = ram_size,
4141 .boot_device = (boot_devices[0] == '\0') ?
4142 machine->boot_order :
4143 boot_devices,
4144 .kernel_filename = kernel_filename,
4145 .kernel_cmdline = kernel_cmdline,
4146 .initrd_filename = initrd_filename,
4147 .cpu_model = cpu_model };
4148 machine->init(&args);
4149
4150 cpu_synchronize_all_post_init();
4151
4152 set_numa_modes();
4153
4154 current_machine = machine;
4155
4156 /* init USB devices */
4157 if (usb_enabled(false)) {
4158 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4159 exit(1);
4160 }
4161
4162 /* init generic devices */
4163 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4164 exit(1);
4165
4166 net_check_clients();
4167
4168 /* just use the first displaystate for the moment */
4169 ds = get_displaystate();
4170
4171 if (using_spice)
4172 display_remote++;
4173 if (display_type == DT_DEFAULT && !display_remote) {
4174 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4175 display_type = DT_SDL;
4176 #elif defined(CONFIG_VNC)
4177 vnc_display = "localhost:0,to=99";
4178 show_vnc_port = 1;
4179 #else
4180 display_type = DT_NONE;
4181 #endif
4182 }
4183
4184
4185 /* init local displays */
4186 switch (display_type) {
4187 case DT_NOGRAPHIC:
4188 break;
4189 #if defined(CONFIG_CURSES)
4190 case DT_CURSES:
4191 curses_display_init(ds, full_screen);
4192 break;
4193 #endif
4194 #if defined(CONFIG_SDL)
4195 case DT_SDL:
4196 sdl_display_init(ds, full_screen, no_frame);
4197 break;
4198 #elif defined(CONFIG_COCOA)
4199 case DT_SDL:
4200 cocoa_display_init(ds, full_screen);
4201 break;
4202 #endif
4203 default:
4204 break;
4205 }
4206
4207 /* must be after terminal init, SDL library changes signal handlers */
4208 os_setup_signal_handling();
4209
4210 #ifdef CONFIG_VNC
4211 /* init remote displays */
4212 if (vnc_display) {
4213 Error *local_err = NULL;
4214 vnc_display_init(ds);
4215 vnc_display_open(ds, vnc_display, &local_err);
4216 if (local_err != NULL) {
4217 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4218 vnc_display, error_get_pretty(local_err));
4219 error_free(local_err);
4220 exit(1);
4221 }
4222
4223 if (show_vnc_port) {
4224 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4225 }
4226 }
4227 #endif
4228 #ifdef CONFIG_SPICE
4229 if (using_spice && !qxl_enabled) {
4230 qemu_spice_display_init(ds);
4231 }
4232 #endif
4233
4234 /* display setup */
4235 text_consoles_set_display(ds);
4236
4237 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4238 exit(1);
4239 }
4240
4241 qdev_machine_creation_done();
4242
4243 if (rom_load_all() != 0) {
4244 fprintf(stderr, "rom loading failed\n");
4245 exit(1);
4246 }
4247
4248 /* TODO: once all bus devices are qdevified, this should be done
4249 * when bus is created by qdev.c */
4250 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4251 qemu_run_machine_init_done_notifiers();
4252
4253 qemu_system_reset(VMRESET_SILENT);
4254 if (loadvm) {
4255 if (load_vmstate(loadvm) < 0) {
4256 autostart = 0;
4257 }
4258 }
4259
4260 if (incoming) {
4261 Error *local_err = NULL;
4262 qemu_start_incoming_migration(incoming, &local_err);
4263 if (local_err) {
4264 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4265 error_free(local_err);
4266 exit(1);
4267 }
4268 } else if (autostart) {
4269 vm_start();
4270 }
4271
4272 os_setup_post();
4273
4274 resume_all_vcpus();
4275 main_loop();
4276 bdrv_close_all();
4277 pause_all_vcpus();
4278 res_free();
4279
4280 return 0;
4281 }
QEmu