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bitops: unify bitops_ffsl with the one in host-utils.h, call it bitops_ctzl
[qemu/agraf.git] / vl.c
blob315598994fe0bf973710dcfef8afd5ad284b669c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "qemu/bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "char/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block-common.h"
141 #include "migration/block.h"
142 #include "sysemu/dma.h"
143 #include "audio/audio.h"
144 #include "migration/migration.h"
145 #include "sysemu/kvm.h"
146 #include "qapi/qmp/qjson.h"
147 #include "qemu/option.h"
148 #include "qemu/config-file.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "qemu/main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "sysemu/qtest.h"
156
157 #include "disas/disas.h"
158
159 #include "qemu/sockets.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu/queue.h"
166 #include "sysemu/cpus.h"
167 #include "sysemu/arch_init.h"
168 #include "qemu/osdep.h"
169
170 #include "ui/qemu-spice.h"
171 #include "qapi/string-input-visitor.h"
172
173 //#define DEBUG_NET
174 //#define DEBUG_SLIRP
175
176 #define DEFAULT_RAM_SIZE 128
177
178 #define MAX_VIRTIO_CONSOLES 1
179 #define MAX_SCLP_CONSOLES 1
180
181 static const char *data_dir;
182 const char *bios_name = NULL;
183 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
184 DisplayType display_type = DT_DEFAULT;
185 static int display_remote;
186 const char* keyboard_layout = NULL;
187 ram_addr_t ram_size;
188 const char *mem_path = NULL;
189 #ifdef MAP_POPULATE
190 int mem_prealloc = 0; /* force preallocation of physical target memory */
191 #endif
192 int nb_nics;
193 NICInfo nd_table[MAX_NICS];
194 int autostart;
195 static int rtc_utc = 1;
196 static int rtc_date_offset = -1; /* -1 means no change */
197 QEMUClock *rtc_clock;
198 int vga_interface_type = VGA_NONE;
199 static int full_screen = 0;
200 #ifdef CONFIG_SDL
201 static int no_frame = 0;
202 #endif
203 int no_quit = 0;
204 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208 int win2k_install_hack = 0;
209 int singlestep = 0;
210 int smp_cpus = 1;
211 int max_cpus = 0;
212 int smp_cores = 1;
213 int smp_threads = 1;
214 #ifdef CONFIG_VNC
215 const char *vnc_display;
216 #endif
217 int acpi_enabled = 1;
218 int no_hpet = 0;
219 int fd_bootchk = 1;
220 static int no_reboot;
221 int no_shutdown = 0;
222 int cursor_hide = 1;
223 int graphic_rotate = 0;
224 const char *watchdog;
225 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226 int nb_option_roms;
227 int semihosting_enabled = 0;
228 int old_param = 0;
229 const char *qemu_name;
230 int alt_grab = 0;
231 int ctrl_grab = 0;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
234 int boot_menu;
235 uint8_t *boot_splash_filedata;
236 size_t boot_splash_filedata_size;
237 uint8_t qemu_extra_params_fw[2];
238
239 typedef struct FWBootEntry FWBootEntry;
240
241 struct FWBootEntry {
242 QTAILQ_ENTRY(FWBootEntry) link;
243 int32_t bootindex;
244 DeviceState *dev;
245 char *suffix;
246 };
247
248 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
249 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
250
251 int nb_numa_nodes;
252 uint64_t node_mem[MAX_NODES];
253 unsigned long *node_cpumask[MAX_NODES];
254
255 uint8_t qemu_uuid[16];
256
257 static QEMUBootSetHandler *boot_set_handler;
258 static void *boot_set_opaque;
259
260 static NotifierList exit_notifiers =
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
262
263 static NotifierList machine_init_done_notifiers =
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
265
266 static bool tcg_allowed = true;
267 bool kvm_allowed;
268 bool xen_allowed;
269 uint32_t xen_domid;
270 enum xen_mode xen_mode = XEN_EMULATE;
271 static int tcg_tb_size;
272
273 static int default_serial = 1;
274 static int default_parallel = 1;
275 static int default_virtcon = 1;
276 static int default_sclp = 1;
277 static int default_monitor = 1;
278 static int default_floppy = 1;
279 static int default_cdrom = 1;
280 static int default_sdcard = 1;
281 static int default_vga = 1;
282
283 static struct {
284 const char *driver;
285 int *flag;
286 } default_list[] = {
287 { .driver = "isa-serial", .flag = &default_serial },
288 { .driver = "isa-parallel", .flag = &default_parallel },
289 { .driver = "isa-fdc", .flag = &default_floppy },
290 { .driver = "ide-cd", .flag = &default_cdrom },
291 { .driver = "ide-hd", .flag = &default_cdrom },
292 { .driver = "ide-drive", .flag = &default_cdrom },
293 { .driver = "scsi-cd", .flag = &default_cdrom },
294 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
295 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
296 { .driver = "virtio-serial", .flag = &default_virtcon },
297 { .driver = "VGA", .flag = &default_vga },
298 { .driver = "isa-vga", .flag = &default_vga },
299 { .driver = "cirrus-vga", .flag = &default_vga },
300 { .driver = "isa-cirrus-vga", .flag = &default_vga },
301 { .driver = "vmware-svga", .flag = &default_vga },
302 { .driver = "qxl-vga", .flag = &default_vga },
303 };
304
305 static QemuOptsList qemu_rtc_opts = {
306 .name = "rtc",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308 .desc = {
309 {
310 .name = "base",
311 .type = QEMU_OPT_STRING,
312 },{
313 .name = "clock",
314 .type = QEMU_OPT_STRING,
315 },{
316 .name = "driftfix",
317 .type = QEMU_OPT_STRING,
318 },
319 { /* end of list */ }
320 },
321 };
322
323 static QemuOptsList qemu_sandbox_opts = {
324 .name = "sandbox",
325 .implied_opt_name = "enable",
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327 .desc = {
328 {
329 .name = "enable",
330 .type = QEMU_OPT_BOOL,
331 },
332 { /* end of list */ }
333 },
334 };
335
336 static QemuOptsList qemu_trace_opts = {
337 .name = "trace",
338 .implied_opt_name = "trace",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340 .desc = {
341 {
342 .name = "events",
343 .type = QEMU_OPT_STRING,
344 },{
345 .name = "file",
346 .type = QEMU_OPT_STRING,
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_option_rom_opts = {
353 .name = "option-rom",
354 .implied_opt_name = "romfile",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356 .desc = {
357 {
358 .name = "bootindex",
359 .type = QEMU_OPT_NUMBER,
360 }, {
361 .name = "romfile",
362 .type = QEMU_OPT_STRING,
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_machine_opts = {
369 .name = "machine",
370 .implied_opt_name = "type",
371 .merge_lists = true,
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373 .desc = {
374 {
375 .name = "type",
376 .type = QEMU_OPT_STRING,
377 .help = "emulated machine"
378 }, {
379 .name = "accel",
380 .type = QEMU_OPT_STRING,
381 .help = "accelerator list",
382 }, {
383 .name = "kernel_irqchip",
384 .type = QEMU_OPT_BOOL,
385 .help = "use KVM in-kernel irqchip",
386 }, {
387 .name = "kvm_shadow_mem",
388 .type = QEMU_OPT_SIZE,
389 .help = "KVM shadow MMU size",
390 }, {
391 .name = "kernel",
392 .type = QEMU_OPT_STRING,
393 .help = "Linux kernel image file",
394 }, {
395 .name = "initrd",
396 .type = QEMU_OPT_STRING,
397 .help = "Linux initial ramdisk file",
398 }, {
399 .name = "append",
400 .type = QEMU_OPT_STRING,
401 .help = "Linux kernel command line",
402 }, {
403 .name = "dtb",
404 .type = QEMU_OPT_STRING,
405 .help = "Linux kernel device tree file",
406 }, {
407 .name = "dumpdtb",
408 .type = QEMU_OPT_STRING,
409 .help = "Dump current dtb to a file and quit",
410 }, {
411 .name = "phandle_start",
412 .type = QEMU_OPT_STRING,
413 .help = "The first phandle ID we may generate dynamically",
414 }, {
415 .name = "dt_compatible",
416 .type = QEMU_OPT_STRING,
417 .help = "Overrides the \"compatible\" property of the dt root node",
418 }, {
419 .name = "dump-guest-core",
420 .type = QEMU_OPT_BOOL,
421 .help = "Include guest memory in a core dump",
422 }, {
423 .name = "mem-merge",
424 .type = QEMU_OPT_BOOL,
425 .help = "enable/disable memory merge support",
426 },{
427 .name = "usb",
428 .type = QEMU_OPT_BOOL,
429 .help = "Set on/off to enable/disable usb",
430 },
431 { /* End of list */ }
432 },
433 };
434
435 static QemuOptsList qemu_boot_opts = {
436 .name = "boot-opts",
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
438 .desc = {
439 /* the three names below are not used now */
440 {
441 .name = "order",
442 .type = QEMU_OPT_STRING,
443 }, {
444 .name = "once",
445 .type = QEMU_OPT_STRING,
446 }, {
447 .name = "menu",
448 .type = QEMU_OPT_STRING,
449 /* following are really used */
450 }, {
451 .name = "splash",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
459 },
460 { /*End of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_add_fd_opts = {
465 .name = "add-fd",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
467 .desc = {
468 {
469 .name = "fd",
470 .type = QEMU_OPT_NUMBER,
471 .help = "file descriptor of which a duplicate is added to fd set",
472 },{
473 .name = "set",
474 .type = QEMU_OPT_NUMBER,
475 .help = "ID of the fd set to add fd to",
476 },{
477 .name = "opaque",
478 .type = QEMU_OPT_STRING,
479 .help = "free-form string used to describe fd",
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_object_opts = {
486 .name = "object",
487 .implied_opt_name = "qom-type",
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
489 .desc = {
490 { }
491 },
492 };
493
494 const char *qemu_get_vm_name(void)
495 {
496 return qemu_name;
497 }
498
499 static void res_free(void)
500 {
501 if (boot_splash_filedata != NULL) {
502 g_free(boot_splash_filedata);
503 boot_splash_filedata = NULL;
504 }
505 }
506
507 static int default_driver_check(QemuOpts *opts, void *opaque)
508 {
509 const char *driver = qemu_opt_get(opts, "driver");
510 int i;
511
512 if (!driver)
513 return 0;
514 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
515 if (strcmp(default_list[i].driver, driver) != 0)
516 continue;
517 *(default_list[i].flag) = 0;
518 }
519 return 0;
520 }
521
522 /***********************************************************/
523 /* QEMU state */
524
525 static RunState current_run_state = RUN_STATE_PRELAUNCH;
526
527 typedef struct {
528 RunState from;
529 RunState to;
530 } RunStateTransition;
531
532 static const RunStateTransition runstate_transitions_def[] = {
533 /* from -> to */
534 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
535
536 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
537 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
538
539 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
540 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
541
542 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
543 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
544
545 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
546 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
547
548 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
549 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
550
551 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
552 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
553 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
554
555 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
557
558 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
559
560 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
561 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
562 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
563 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
564 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
565 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
566 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
567 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
568 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
569
570 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
571
572 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
573 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
574
575 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
576 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
577 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
578 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
581 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_MAX, RUN_STATE_MAX },
584 };
585
586 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
587
588 bool runstate_check(RunState state)
589 {
590 return current_run_state == state;
591 }
592
593 static void runstate_init(void)
594 {
595 const RunStateTransition *p;
596
597 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
598
599 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
600 runstate_valid_transitions[p->from][p->to] = true;
601 }
602 }
603
604 /* This function will abort() on invalid state transitions */
605 void runstate_set(RunState new_state)
606 {
607 assert(new_state < RUN_STATE_MAX);
608
609 if (!runstate_valid_transitions[current_run_state][new_state]) {
610 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
611 RunState_lookup[current_run_state],
612 RunState_lookup[new_state]);
613 abort();
614 }
615
616 current_run_state = new_state;
617 }
618
619 int runstate_is_running(void)
620 {
621 return runstate_check(RUN_STATE_RUNNING);
622 }
623
624 StatusInfo *qmp_query_status(Error **errp)
625 {
626 StatusInfo *info = g_malloc0(sizeof(*info));
627
628 info->running = runstate_is_running();
629 info->singlestep = singlestep;
630 info->status = current_run_state;
631
632 return info;
633 }
634
635 /***********************************************************/
636 /* real time host monotonic timer */
637
638 /***********************************************************/
639 /* host time/date access */
640 void qemu_get_timedate(struct tm *tm, int offset)
641 {
642 time_t ti;
643
644 time(&ti);
645 ti += offset;
646 if (rtc_date_offset == -1) {
647 if (rtc_utc)
648 gmtime_r(&ti, tm);
649 else
650 localtime_r(&ti, tm);
651 } else {
652 ti -= rtc_date_offset;
653 gmtime_r(&ti, tm);
654 }
655 }
656
657 int qemu_timedate_diff(struct tm *tm)
658 {
659 time_t seconds;
660
661 if (rtc_date_offset == -1)
662 if (rtc_utc)
663 seconds = mktimegm(tm);
664 else {
665 struct tm tmp = *tm;
666 tmp.tm_isdst = -1; /* use timezone to figure it out */
667 seconds = mktime(&tmp);
668 }
669 else
670 seconds = mktimegm(tm) + rtc_date_offset;
671
672 return seconds - time(NULL);
673 }
674
675 void rtc_change_mon_event(struct tm *tm)
676 {
677 QObject *data;
678
679 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
680 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
681 qobject_decref(data);
682 }
683
684 static void configure_rtc_date_offset(const char *startdate, int legacy)
685 {
686 time_t rtc_start_date;
687 struct tm tm;
688
689 if (!strcmp(startdate, "now") && legacy) {
690 rtc_date_offset = -1;
691 } else {
692 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
693 &tm.tm_year,
694 &tm.tm_mon,
695 &tm.tm_mday,
696 &tm.tm_hour,
697 &tm.tm_min,
698 &tm.tm_sec) == 6) {
699 /* OK */
700 } else if (sscanf(startdate, "%d-%d-%d",
701 &tm.tm_year,
702 &tm.tm_mon,
703 &tm.tm_mday) == 3) {
704 tm.tm_hour = 0;
705 tm.tm_min = 0;
706 tm.tm_sec = 0;
707 } else {
708 goto date_fail;
709 }
710 tm.tm_year -= 1900;
711 tm.tm_mon--;
712 rtc_start_date = mktimegm(&tm);
713 if (rtc_start_date == -1) {
714 date_fail:
715 fprintf(stderr, "Invalid date format. Valid formats are:\n"
716 "'2006-06-17T16:01:21' or '2006-06-17'\n");
717 exit(1);
718 }
719 rtc_date_offset = time(NULL) - rtc_start_date;
720 }
721 }
722
723 static void configure_rtc(QemuOpts *opts)
724 {
725 const char *value;
726
727 value = qemu_opt_get(opts, "base");
728 if (value) {
729 if (!strcmp(value, "utc")) {
730 rtc_utc = 1;
731 } else if (!strcmp(value, "localtime")) {
732 rtc_utc = 0;
733 } else {
734 configure_rtc_date_offset(value, 0);
735 }
736 }
737 value = qemu_opt_get(opts, "clock");
738 if (value) {
739 if (!strcmp(value, "host")) {
740 rtc_clock = host_clock;
741 } else if (!strcmp(value, "rt")) {
742 rtc_clock = rt_clock;
743 } else if (!strcmp(value, "vm")) {
744 rtc_clock = vm_clock;
745 } else {
746 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
747 exit(1);
748 }
749 }
750 value = qemu_opt_get(opts, "driftfix");
751 if (value) {
752 if (!strcmp(value, "slew")) {
753 static GlobalProperty slew_lost_ticks[] = {
754 {
755 .driver = "mc146818rtc",
756 .property = "lost_tick_policy",
757 .value = "slew",
758 },
759 { /* end of list */ }
760 };
761
762 qdev_prop_register_global_list(slew_lost_ticks);
763 } else if (!strcmp(value, "none")) {
764 /* discard is default */
765 } else {
766 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
767 exit(1);
768 }
769 }
770 }
771
772 /***********************************************************/
773 /* Bluetooth support */
774 static int nb_hcis;
775 static int cur_hci;
776 static struct HCIInfo *hci_table[MAX_NICS];
777
778 static struct bt_vlan_s {
779 struct bt_scatternet_s net;
780 int id;
781 struct bt_vlan_s *next;
782 } *first_bt_vlan;
783
784 /* find or alloc a new bluetooth "VLAN" */
785 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
786 {
787 struct bt_vlan_s **pvlan, *vlan;
788 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
789 if (vlan->id == id)
790 return &vlan->net;
791 }
792 vlan = g_malloc0(sizeof(struct bt_vlan_s));
793 vlan->id = id;
794 pvlan = &first_bt_vlan;
795 while (*pvlan != NULL)
796 pvlan = &(*pvlan)->next;
797 *pvlan = vlan;
798 return &vlan->net;
799 }
800
801 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
802 {
803 }
804
805 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
806 {
807 return -ENOTSUP;
808 }
809
810 static struct HCIInfo null_hci = {
811 .cmd_send = null_hci_send,
812 .sco_send = null_hci_send,
813 .acl_send = null_hci_send,
814 .bdaddr_set = null_hci_addr_set,
815 };
816
817 struct HCIInfo *qemu_next_hci(void)
818 {
819 if (cur_hci == nb_hcis)
820 return &null_hci;
821
822 return hci_table[cur_hci++];
823 }
824
825 static struct HCIInfo *hci_init(const char *str)
826 {
827 char *endp;
828 struct bt_scatternet_s *vlan = 0;
829
830 if (!strcmp(str, "null"))
831 /* null */
832 return &null_hci;
833 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
834 /* host[:hciN] */
835 return bt_host_hci(str[4] ? str + 5 : "hci0");
836 else if (!strncmp(str, "hci", 3)) {
837 /* hci[,vlan=n] */
838 if (str[3]) {
839 if (!strncmp(str + 3, ",vlan=", 6)) {
840 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
841 if (*endp)
842 vlan = 0;
843 }
844 } else
845 vlan = qemu_find_bt_vlan(0);
846 if (vlan)
847 return bt_new_hci(vlan);
848 }
849
850 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
851
852 return 0;
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 /*********QEMU USB setting******/
984 bool usb_enabled(bool default_usb)
985 {
986 QemuOpts *mach_opts;
987 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
988 if (mach_opts) {
989 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
990 }
991 return default_usb;
992 }
993
994 #ifndef _WIN32
995 static int parse_add_fd(QemuOpts *opts, void *opaque)
996 {
997 int fd, dupfd, flags;
998 int64_t fdset_id;
999 const char *fd_opaque = NULL;
1000
1001 fd = qemu_opt_get_number(opts, "fd", -1);
1002 fdset_id = qemu_opt_get_number(opts, "set", -1);
1003 fd_opaque = qemu_opt_get(opts, "opaque");
1004
1005 if (fd < 0) {
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1007 "fd option is required and must be non-negative");
1008 return -1;
1009 }
1010
1011 if (fd <= STDERR_FILENO) {
1012 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1013 "fd cannot be a standard I/O stream");
1014 return -1;
1015 }
1016
1017 /*
1018 * All fds inherited across exec() necessarily have FD_CLOEXEC
1019 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1020 */
1021 flags = fcntl(fd, F_GETFD);
1022 if (flags == -1 || (flags & FD_CLOEXEC)) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd is not valid or already in use");
1025 return -1;
1026 }
1027
1028 if (fdset_id < 0) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "set option is required and must be non-negative");
1031 return -1;
1032 }
1033
1034 #ifdef F_DUPFD_CLOEXEC
1035 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1036 #else
1037 dupfd = dup(fd);
1038 if (dupfd != -1) {
1039 qemu_set_cloexec(dupfd);
1040 }
1041 #endif
1042 if (dupfd == -1) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "Error duplicating fd: %s", strerror(errno));
1045 return -1;
1046 }
1047
1048 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1049 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1050 fd_opaque, NULL);
1051
1052 return 0;
1053 }
1054
1055 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1056 {
1057 int fd;
1058
1059 fd = qemu_opt_get_number(opts, "fd", -1);
1060 close(fd);
1061
1062 return 0;
1063 }
1064 #endif
1065
1066 /***********************************************************/
1067 /* QEMU Block devices */
1068
1069 #define HD_OPTS "media=disk"
1070 #define CDROM_OPTS "media=cdrom"
1071 #define FD_OPTS ""
1072 #define PFLASH_OPTS ""
1073 #define MTD_OPTS ""
1074 #define SD_OPTS ""
1075
1076 static int drive_init_func(QemuOpts *opts, void *opaque)
1077 {
1078 BlockInterfaceType *block_default_type = opaque;
1079
1080 return drive_init(opts, *block_default_type) == NULL;
1081 }
1082
1083 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1084 {
1085 if (NULL == qemu_opt_get(opts, "snapshot")) {
1086 qemu_opt_set(opts, "snapshot", "on");
1087 }
1088 return 0;
1089 }
1090
1091 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1092 int index, const char *optstr)
1093 {
1094 QemuOpts *opts;
1095
1096 if (!enable || drive_get_by_index(type, index)) {
1097 return;
1098 }
1099
1100 opts = drive_add(type, index, NULL, optstr);
1101 if (snapshot) {
1102 drive_enable_snapshot(opts, NULL);
1103 }
1104 if (!drive_init(opts, type)) {
1105 exit(1);
1106 }
1107 }
1108
1109 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1110 {
1111 boot_set_handler = func;
1112 boot_set_opaque = opaque;
1113 }
1114
1115 int qemu_boot_set(const char *boot_devices)
1116 {
1117 if (!boot_set_handler) {
1118 return -EINVAL;
1119 }
1120 return boot_set_handler(boot_set_opaque, boot_devices);
1121 }
1122
1123 static void validate_bootdevices(char *devices)
1124 {
1125 /* We just do some generic consistency checks */
1126 const char *p;
1127 int bitmap = 0;
1128
1129 for (p = devices; *p != '\0'; p++) {
1130 /* Allowed boot devices are:
1131 * a-b: floppy disk drives
1132 * c-f: IDE disk drives
1133 * g-m: machine implementation dependent drives
1134 * n-p: network devices
1135 * It's up to each machine implementation to check if the given boot
1136 * devices match the actual hardware implementation and firmware
1137 * features.
1138 */
1139 if (*p < 'a' || *p > 'p') {
1140 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1141 exit(1);
1142 }
1143 if (bitmap & (1 << (*p - 'a'))) {
1144 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1145 exit(1);
1146 }
1147 bitmap |= 1 << (*p - 'a');
1148 }
1149 }
1150
1151 static void restore_boot_devices(void *opaque)
1152 {
1153 char *standard_boot_devices = opaque;
1154 static int first = 1;
1155
1156 /* Restore boot order and remove ourselves after the first boot */
1157 if (first) {
1158 first = 0;
1159 return;
1160 }
1161
1162 qemu_boot_set(standard_boot_devices);
1163
1164 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1165 g_free(standard_boot_devices);
1166 }
1167
1168 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1169 const char *suffix)
1170 {
1171 FWBootEntry *node, *i;
1172
1173 if (bootindex < 0) {
1174 return;
1175 }
1176
1177 assert(dev != NULL || suffix != NULL);
1178
1179 node = g_malloc0(sizeof(FWBootEntry));
1180 node->bootindex = bootindex;
1181 node->suffix = suffix ? g_strdup(suffix) : NULL;
1182 node->dev = dev;
1183
1184 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1185 if (i->bootindex == bootindex) {
1186 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1187 exit(1);
1188 } else if (i->bootindex < bootindex) {
1189 continue;
1190 }
1191 QTAILQ_INSERT_BEFORE(i, node, link);
1192 return;
1193 }
1194 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1195 }
1196
1197 /*
1198 * This function returns null terminated string that consist of new line
1199 * separated device paths.
1200 *
1201 * memory pointed by "size" is assigned total length of the array in bytes
1202 *
1203 */
1204 char *get_boot_devices_list(size_t *size)
1205 {
1206 FWBootEntry *i;
1207 size_t total = 0;
1208 char *list = NULL;
1209
1210 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1211 char *devpath = NULL, *bootpath;
1212 size_t len;
1213
1214 if (i->dev) {
1215 devpath = qdev_get_fw_dev_path(i->dev);
1216 assert(devpath);
1217 }
1218
1219 if (i->suffix && devpath) {
1220 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1221
1222 bootpath = g_malloc(bootpathlen);
1223 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1224 g_free(devpath);
1225 } else if (devpath) {
1226 bootpath = devpath;
1227 } else {
1228 assert(i->suffix);
1229 bootpath = g_strdup(i->suffix);
1230 }
1231
1232 if (total) {
1233 list[total-1] = '\n';
1234 }
1235 len = strlen(bootpath) + 1;
1236 list = g_realloc(list, total + len);
1237 memcpy(&list[total], bootpath, len);
1238 total += len;
1239 g_free(bootpath);
1240 }
1241
1242 *size = total;
1243
1244 return list;
1245 }
1246
1247 static void numa_add(const char *optarg)
1248 {
1249 char option[128];
1250 char *endptr;
1251 unsigned long long value, endvalue;
1252 int nodenr;
1253
1254 value = endvalue = 0ULL;
1255
1256 optarg = get_opt_name(option, 128, optarg, ',') + 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 object_unref(OBJECT(dev));
2240 return 0;
2241 }
2242
2243 static int chardev_init_func(QemuOpts *opts, void *opaque)
2244 {
2245 Error *local_err = NULL;
2246
2247 qemu_chr_new_from_opts(opts, NULL, &local_err);
2248 if (error_is_set(&local_err)) {
2249 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2250 error_free(local_err);
2251 return -1;
2252 }
2253 return 0;
2254 }
2255
2256 #ifdef CONFIG_VIRTFS
2257 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2258 {
2259 int ret;
2260 ret = qemu_fsdev_add(opts);
2261
2262 return ret;
2263 }
2264 #endif
2265
2266 static int mon_init_func(QemuOpts *opts, void *opaque)
2267 {
2268 CharDriverState *chr;
2269 const char *chardev;
2270 const char *mode;
2271 int flags;
2272
2273 mode = qemu_opt_get(opts, "mode");
2274 if (mode == NULL) {
2275 mode = "readline";
2276 }
2277 if (strcmp(mode, "readline") == 0) {
2278 flags = MONITOR_USE_READLINE;
2279 } else if (strcmp(mode, "control") == 0) {
2280 flags = MONITOR_USE_CONTROL;
2281 } else {
2282 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2283 exit(1);
2284 }
2285
2286 if (qemu_opt_get_bool(opts, "pretty", 0))
2287 flags |= MONITOR_USE_PRETTY;
2288
2289 if (qemu_opt_get_bool(opts, "default", 0))
2290 flags |= MONITOR_IS_DEFAULT;
2291
2292 chardev = qemu_opt_get(opts, "chardev");
2293 chr = qemu_chr_find(chardev);
2294 if (chr == NULL) {
2295 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2296 exit(1);
2297 }
2298
2299 monitor_init(chr, flags);
2300 return 0;
2301 }
2302
2303 static void monitor_parse(const char *optarg, const char *mode)
2304 {
2305 static int monitor_device_index = 0;
2306 QemuOpts *opts;
2307 const char *p;
2308 char label[32];
2309 int def = 0;
2310
2311 if (strstart(optarg, "chardev:", &p)) {
2312 snprintf(label, sizeof(label), "%s", p);
2313 } else {
2314 snprintf(label, sizeof(label), "compat_monitor%d",
2315 monitor_device_index);
2316 if (monitor_device_index == 0) {
2317 def = 1;
2318 }
2319 opts = qemu_chr_parse_compat(label, optarg);
2320 if (!opts) {
2321 fprintf(stderr, "parse error: %s\n", optarg);
2322 exit(1);
2323 }
2324 }
2325
2326 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2327 if (!opts) {
2328 fprintf(stderr, "duplicate chardev: %s\n", label);
2329 exit(1);
2330 }
2331 qemu_opt_set(opts, "mode", mode);
2332 qemu_opt_set(opts, "chardev", label);
2333 if (def)
2334 qemu_opt_set(opts, "default", "on");
2335 monitor_device_index++;
2336 }
2337
2338 struct device_config {
2339 enum {
2340 DEV_USB, /* -usbdevice */
2341 DEV_BT, /* -bt */
2342 DEV_SERIAL, /* -serial */
2343 DEV_PARALLEL, /* -parallel */
2344 DEV_VIRTCON, /* -virtioconsole */
2345 DEV_DEBUGCON, /* -debugcon */
2346 DEV_GDB, /* -gdb, -s */
2347 DEV_SCLP, /* s390 sclp */
2348 } type;
2349 const char *cmdline;
2350 Location loc;
2351 QTAILQ_ENTRY(device_config) next;
2352 };
2353
2354 static QTAILQ_HEAD(, device_config) device_configs =
2355 QTAILQ_HEAD_INITIALIZER(device_configs);
2356
2357 static void add_device_config(int type, const char *cmdline)
2358 {
2359 struct device_config *conf;
2360
2361 conf = g_malloc0(sizeof(*conf));
2362 conf->type = type;
2363 conf->cmdline = cmdline;
2364 loc_save(&conf->loc);
2365 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2366 }
2367
2368 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2369 {
2370 struct device_config *conf;
2371 int rc;
2372
2373 QTAILQ_FOREACH(conf, &device_configs, next) {
2374 if (conf->type != type)
2375 continue;
2376 loc_push_restore(&conf->loc);
2377 rc = func(conf->cmdline);
2378 loc_pop(&conf->loc);
2379 if (0 != rc)
2380 return rc;
2381 }
2382 return 0;
2383 }
2384
2385 static int serial_parse(const char *devname)
2386 {
2387 static int index = 0;
2388 char label[32];
2389
2390 if (strcmp(devname, "none") == 0)
2391 return 0;
2392 if (index == MAX_SERIAL_PORTS) {
2393 fprintf(stderr, "qemu: too many serial ports\n");
2394 exit(1);
2395 }
2396 snprintf(label, sizeof(label), "serial%d", index);
2397 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2398 if (!serial_hds[index]) {
2399 fprintf(stderr, "qemu: could not connect serial device"
2400 " to character backend '%s'\n", devname);
2401 return -1;
2402 }
2403 index++;
2404 return 0;
2405 }
2406
2407 static int parallel_parse(const char *devname)
2408 {
2409 static int index = 0;
2410 char label[32];
2411
2412 if (strcmp(devname, "none") == 0)
2413 return 0;
2414 if (index == MAX_PARALLEL_PORTS) {
2415 fprintf(stderr, "qemu: too many parallel ports\n");
2416 exit(1);
2417 }
2418 snprintf(label, sizeof(label), "parallel%d", index);
2419 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2420 if (!parallel_hds[index]) {
2421 fprintf(stderr, "qemu: could not connect parallel device"
2422 " to character backend '%s'\n", devname);
2423 return -1;
2424 }
2425 index++;
2426 return 0;
2427 }
2428
2429 static int virtcon_parse(const char *devname)
2430 {
2431 QemuOptsList *device = qemu_find_opts("device");
2432 static int index = 0;
2433 char label[32];
2434 QemuOpts *bus_opts, *dev_opts;
2435
2436 if (strcmp(devname, "none") == 0)
2437 return 0;
2438 if (index == MAX_VIRTIO_CONSOLES) {
2439 fprintf(stderr, "qemu: too many virtio consoles\n");
2440 exit(1);
2441 }
2442
2443 bus_opts = qemu_opts_create_nofail(device);
2444 if (arch_type == QEMU_ARCH_S390X) {
2445 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2446 } else {
2447 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2448 }
2449
2450 dev_opts = qemu_opts_create_nofail(device);
2451 qemu_opt_set(dev_opts, "driver", "virtconsole");
2452
2453 snprintf(label, sizeof(label), "virtcon%d", index);
2454 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2455 if (!virtcon_hds[index]) {
2456 fprintf(stderr, "qemu: could not connect virtio console"
2457 " to character backend '%s'\n", devname);
2458 return -1;
2459 }
2460 qemu_opt_set(dev_opts, "chardev", label);
2461
2462 index++;
2463 return 0;
2464 }
2465
2466 static int sclp_parse(const char *devname)
2467 {
2468 QemuOptsList *device = qemu_find_opts("device");
2469 static int index = 0;
2470 char label[32];
2471 QemuOpts *dev_opts;
2472
2473 if (strcmp(devname, "none") == 0) {
2474 return 0;
2475 }
2476 if (index == MAX_SCLP_CONSOLES) {
2477 fprintf(stderr, "qemu: too many sclp consoles\n");
2478 exit(1);
2479 }
2480
2481 assert(arch_type == QEMU_ARCH_S390X);
2482
2483 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2484 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2485
2486 snprintf(label, sizeof(label), "sclpcon%d", index);
2487 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2488 if (!sclp_hds[index]) {
2489 fprintf(stderr, "qemu: could not connect sclp console"
2490 " to character backend '%s'\n", devname);
2491 return -1;
2492 }
2493 qemu_opt_set(dev_opts, "chardev", label);
2494
2495 index++;
2496 return 0;
2497 }
2498
2499 static int debugcon_parse(const char *devname)
2500 {
2501 QemuOpts *opts;
2502
2503 if (!qemu_chr_new("debugcon", devname, NULL)) {
2504 exit(1);
2505 }
2506 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2507 if (!opts) {
2508 fprintf(stderr, "qemu: already have a debugcon device\n");
2509 exit(1);
2510 }
2511 qemu_opt_set(opts, "driver", "isa-debugcon");
2512 qemu_opt_set(opts, "chardev", "debugcon");
2513 return 0;
2514 }
2515
2516 static QEMUMachine *machine_parse(const char *name)
2517 {
2518 QEMUMachine *m, *machine = NULL;
2519
2520 if (name) {
2521 machine = find_machine(name);
2522 }
2523 if (machine) {
2524 return machine;
2525 }
2526 printf("Supported machines are:\n");
2527 for (m = first_machine; m != NULL; m = m->next) {
2528 if (m->alias) {
2529 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2530 }
2531 printf("%-20s %s%s\n", m->name, m->desc,
2532 m->is_default ? " (default)" : "");
2533 }
2534 exit(!name || !is_help_option(name));
2535 }
2536
2537 static int tcg_init(void)
2538 {
2539 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2540 return 0;
2541 }
2542
2543 static struct {
2544 const char *opt_name;
2545 const char *name;
2546 int (*available)(void);
2547 int (*init)(void);
2548 bool *allowed;
2549 } accel_list[] = {
2550 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2551 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2552 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2553 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2554 };
2555
2556 static int configure_accelerator(void)
2557 {
2558 const char *p = NULL;
2559 char buf[10];
2560 int i, ret;
2561 bool accel_initialised = false;
2562 bool init_failed = false;
2563
2564 QemuOptsList *list = qemu_find_opts("machine");
2565 if (!QTAILQ_EMPTY(&list->head)) {
2566 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2567 }
2568
2569 if (p == NULL) {
2570 /* Use the default "accelerator", tcg */
2571 p = "tcg";
2572 }
2573
2574 while (!accel_initialised && *p != '\0') {
2575 if (*p == ':') {
2576 p++;
2577 }
2578 p = get_opt_name(buf, sizeof (buf), p, ':');
2579 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2580 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2581 if (!accel_list[i].available()) {
2582 printf("%s not supported for this target\n",
2583 accel_list[i].name);
2584 continue;
2585 }
2586 *(accel_list[i].allowed) = true;
2587 ret = accel_list[i].init();
2588 if (ret < 0) {
2589 init_failed = true;
2590 fprintf(stderr, "failed to initialize %s: %s\n",
2591 accel_list[i].name,
2592 strerror(-ret));
2593 *(accel_list[i].allowed) = false;
2594 } else {
2595 accel_initialised = true;
2596 }
2597 break;
2598 }
2599 }
2600 if (i == ARRAY_SIZE(accel_list)) {
2601 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2602 }
2603 }
2604
2605 if (!accel_initialised) {
2606 if (!init_failed) {
2607 fprintf(stderr, "No accelerator found!\n");
2608 }
2609 exit(1);
2610 }
2611
2612 if (init_failed) {
2613 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2614 }
2615
2616 return !accel_initialised;
2617 }
2618
2619 void qemu_add_exit_notifier(Notifier *notify)
2620 {
2621 notifier_list_add(&exit_notifiers, notify);
2622 }
2623
2624 void qemu_remove_exit_notifier(Notifier *notify)
2625 {
2626 notifier_remove(notify);
2627 }
2628
2629 static void qemu_run_exit_notifiers(void)
2630 {
2631 notifier_list_notify(&exit_notifiers, NULL);
2632 }
2633
2634 void qemu_add_machine_init_done_notifier(Notifier *notify)
2635 {
2636 notifier_list_add(&machine_init_done_notifiers, notify);
2637 }
2638
2639 static void qemu_run_machine_init_done_notifiers(void)
2640 {
2641 notifier_list_notify(&machine_init_done_notifiers, NULL);
2642 }
2643
2644 static const QEMUOption *lookup_opt(int argc, char **argv,
2645 const char **poptarg, int *poptind)
2646 {
2647 const QEMUOption *popt;
2648 int optind = *poptind;
2649 char *r = argv[optind];
2650 const char *optarg;
2651
2652 loc_set_cmdline(argv, optind, 1);
2653 optind++;
2654 /* Treat --foo the same as -foo. */
2655 if (r[1] == '-')
2656 r++;
2657 popt = qemu_options;
2658 for(;;) {
2659 if (!popt->name) {
2660 error_report("invalid option");
2661 exit(1);
2662 }
2663 if (!strcmp(popt->name, r + 1))
2664 break;
2665 popt++;
2666 }
2667 if (popt->flags & HAS_ARG) {
2668 if (optind >= argc) {
2669 error_report("requires an argument");
2670 exit(1);
2671 }
2672 optarg = argv[optind++];
2673 loc_set_cmdline(argv, optind - 2, 2);
2674 } else {
2675 optarg = NULL;
2676 }
2677
2678 *poptarg = optarg;
2679 *poptind = optind;
2680
2681 return popt;
2682 }
2683
2684 static gpointer malloc_and_trace(gsize n_bytes)
2685 {
2686 void *ptr = malloc(n_bytes);
2687 trace_g_malloc(n_bytes, ptr);
2688 return ptr;
2689 }
2690
2691 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2692 {
2693 void *ptr = realloc(mem, n_bytes);
2694 trace_g_realloc(mem, n_bytes, ptr);
2695 return ptr;
2696 }
2697
2698 static void free_and_trace(gpointer mem)
2699 {
2700 trace_g_free(mem);
2701 free(mem);
2702 }
2703
2704 static int object_set_property(const char *name, const char *value, void *opaque)
2705 {
2706 Object *obj = OBJECT(opaque);
2707 StringInputVisitor *siv;
2708 Error *local_err = NULL;
2709
2710 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2711 return 0;
2712 }
2713
2714 siv = string_input_visitor_new(value);
2715 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2716 string_input_visitor_cleanup(siv);
2717
2718 if (local_err) {
2719 qerror_report_err(local_err);
2720 error_free(local_err);
2721 return -1;
2722 }
2723
2724 return 0;
2725 }
2726
2727 static int object_create(QemuOpts *opts, void *opaque)
2728 {
2729 const char *type = qemu_opt_get(opts, "qom-type");
2730 const char *id = qemu_opts_id(opts);
2731 Object *obj;
2732
2733 g_assert(type != NULL);
2734
2735 if (id == NULL) {
2736 qerror_report(QERR_MISSING_PARAMETER, "id");
2737 return -1;
2738 }
2739
2740 obj = object_new(type);
2741 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2742 return -1;
2743 }
2744
2745 object_property_add_child(container_get(object_get_root(), "/objects"),
2746 id, obj, NULL);
2747
2748 return 0;
2749 }
2750
2751 int main(int argc, char **argv, char **envp)
2752 {
2753 int i;
2754 int snapshot, linux_boot;
2755 const char *icount_option = NULL;
2756 const char *initrd_filename;
2757 const char *kernel_filename, *kernel_cmdline;
2758 char boot_devices[33] = "";
2759 DisplayState *ds;
2760 int cyls, heads, secs, translation;
2761 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2762 QemuOptsList *olist;
2763 int optind;
2764 const char *optarg;
2765 const char *loadvm = NULL;
2766 QEMUMachine *machine;
2767 const char *cpu_model;
2768 const char *vga_model = "none";
2769 const char *pid_file = NULL;
2770 const char *incoming = NULL;
2771 #ifdef CONFIG_VNC
2772 int show_vnc_port = 0;
2773 #endif
2774 bool defconfig = true;
2775 bool userconfig = true;
2776 const char *log_mask = NULL;
2777 const char *log_file = NULL;
2778 GMemVTable mem_trace = {
2779 .malloc = malloc_and_trace,
2780 .realloc = realloc_and_trace,
2781 .free = free_and_trace,
2782 };
2783 const char *trace_events = NULL;
2784 const char *trace_file = NULL;
2785
2786 atexit(qemu_run_exit_notifiers);
2787 error_set_progname(argv[0]);
2788
2789 g_mem_set_vtable(&mem_trace);
2790 if (!g_thread_supported()) {
2791 #if !GLIB_CHECK_VERSION(2, 31, 0)
2792 g_thread_init(NULL);
2793 #else
2794 fprintf(stderr, "glib threading failed to initialize.\n");
2795 exit(1);
2796 #endif
2797 }
2798
2799 module_call_init(MODULE_INIT_QOM);
2800
2801 qemu_add_opts(&qemu_drive_opts);
2802 qemu_add_opts(&qemu_chardev_opts);
2803 qemu_add_opts(&qemu_device_opts);
2804 qemu_add_opts(&qemu_netdev_opts);
2805 qemu_add_opts(&qemu_net_opts);
2806 qemu_add_opts(&qemu_rtc_opts);
2807 qemu_add_opts(&qemu_global_opts);
2808 qemu_add_opts(&qemu_mon_opts);
2809 qemu_add_opts(&qemu_trace_opts);
2810 qemu_add_opts(&qemu_option_rom_opts);
2811 qemu_add_opts(&qemu_machine_opts);
2812 qemu_add_opts(&qemu_boot_opts);
2813 qemu_add_opts(&qemu_sandbox_opts);
2814 qemu_add_opts(&qemu_add_fd_opts);
2815 qemu_add_opts(&qemu_object_opts);
2816
2817 runstate_init();
2818
2819 init_clocks();
2820 rtc_clock = host_clock;
2821
2822 qemu_cache_utils_init(envp);
2823
2824 QLIST_INIT (&vm_change_state_head);
2825 os_setup_early_signal_handling();
2826
2827 module_call_init(MODULE_INIT_MACHINE);
2828 machine = find_default_machine();
2829 cpu_model = NULL;
2830 ram_size = 0;
2831 snapshot = 0;
2832 cyls = heads = secs = 0;
2833 translation = BIOS_ATA_TRANSLATION_AUTO;
2834
2835 for (i = 0; i < MAX_NODES; i++) {
2836 node_mem[i] = 0;
2837 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2838 }
2839
2840 nb_numa_nodes = 0;
2841 nb_nics = 0;
2842
2843 autostart= 1;
2844
2845 /* first pass of option parsing */
2846 optind = 1;
2847 while (optind < argc) {
2848 if (argv[optind][0] != '-') {
2849 /* disk image */
2850 optind++;
2851 continue;
2852 } else {
2853 const QEMUOption *popt;
2854
2855 popt = lookup_opt(argc, argv, &optarg, &optind);
2856 switch (popt->index) {
2857 case QEMU_OPTION_nodefconfig:
2858 defconfig = false;
2859 break;
2860 case QEMU_OPTION_nouserconfig:
2861 userconfig = false;
2862 break;
2863 }
2864 }
2865 }
2866
2867 if (defconfig) {
2868 int ret;
2869 ret = qemu_read_default_config_files(userconfig);
2870 if (ret < 0) {
2871 exit(1);
2872 }
2873 }
2874
2875 /* second pass of option parsing */
2876 optind = 1;
2877 for(;;) {
2878 if (optind >= argc)
2879 break;
2880 if (argv[optind][0] != '-') {
2881 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2882 } else {
2883 const QEMUOption *popt;
2884
2885 popt = lookup_opt(argc, argv, &optarg, &optind);
2886 if (!(popt->arch_mask & arch_type)) {
2887 printf("Option %s not supported for this target\n", popt->name);
2888 exit(1);
2889 }
2890 switch(popt->index) {
2891 case QEMU_OPTION_M:
2892 machine = machine_parse(optarg);
2893 break;
2894 case QEMU_OPTION_no_kvm_irqchip: {
2895 olist = qemu_find_opts("machine");
2896 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2897 break;
2898 }
2899 case QEMU_OPTION_cpu:
2900 /* hw initialization will check this */
2901 cpu_model = optarg;
2902 break;
2903 case QEMU_OPTION_hda:
2904 {
2905 char buf[256];
2906 if (cyls == 0)
2907 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2908 else
2909 snprintf(buf, sizeof(buf),
2910 "%s,cyls=%d,heads=%d,secs=%d%s",
2911 HD_OPTS , cyls, heads, secs,
2912 translation == BIOS_ATA_TRANSLATION_LBA ?
2913 ",trans=lba" :
2914 translation == BIOS_ATA_TRANSLATION_NONE ?
2915 ",trans=none" : "");
2916 drive_add(IF_DEFAULT, 0, optarg, buf);
2917 break;
2918 }
2919 case QEMU_OPTION_hdb:
2920 case QEMU_OPTION_hdc:
2921 case QEMU_OPTION_hdd:
2922 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2923 HD_OPTS);
2924 break;
2925 case QEMU_OPTION_drive:
2926 if (drive_def(optarg) == NULL) {
2927 exit(1);
2928 }
2929 break;
2930 case QEMU_OPTION_set:
2931 if (qemu_set_option(optarg) != 0)
2932 exit(1);
2933 break;
2934 case QEMU_OPTION_global:
2935 if (qemu_global_option(optarg) != 0)
2936 exit(1);
2937 break;
2938 case QEMU_OPTION_mtdblock:
2939 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2940 break;
2941 case QEMU_OPTION_sd:
2942 drive_add(IF_SD, 0, optarg, SD_OPTS);
2943 break;
2944 case QEMU_OPTION_pflash:
2945 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2946 break;
2947 case QEMU_OPTION_snapshot:
2948 snapshot = 1;
2949 break;
2950 case QEMU_OPTION_hdachs:
2951 {
2952 const char *p;
2953 p = optarg;
2954 cyls = strtol(p, (char **)&p, 0);
2955 if (cyls < 1 || cyls > 16383)
2956 goto chs_fail;
2957 if (*p != ',')
2958 goto chs_fail;
2959 p++;
2960 heads = strtol(p, (char **)&p, 0);
2961 if (heads < 1 || heads > 16)
2962 goto chs_fail;
2963 if (*p != ',')
2964 goto chs_fail;
2965 p++;
2966 secs = strtol(p, (char **)&p, 0);
2967 if (secs < 1 || secs > 63)
2968 goto chs_fail;
2969 if (*p == ',') {
2970 p++;
2971 if (!strcmp(p, "none"))
2972 translation = BIOS_ATA_TRANSLATION_NONE;
2973 else if (!strcmp(p, "lba"))
2974 translation = BIOS_ATA_TRANSLATION_LBA;
2975 else if (!strcmp(p, "auto"))
2976 translation = BIOS_ATA_TRANSLATION_AUTO;
2977 else
2978 goto chs_fail;
2979 } else if (*p != '\0') {
2980 chs_fail:
2981 fprintf(stderr, "qemu: invalid physical CHS format\n");
2982 exit(1);
2983 }
2984 if (hda_opts != NULL) {
2985 char num[16];
2986 snprintf(num, sizeof(num), "%d", cyls);
2987 qemu_opt_set(hda_opts, "cyls", num);
2988 snprintf(num, sizeof(num), "%d", heads);
2989 qemu_opt_set(hda_opts, "heads", num);
2990 snprintf(num, sizeof(num), "%d", secs);
2991 qemu_opt_set(hda_opts, "secs", num);
2992 if (translation == BIOS_ATA_TRANSLATION_LBA)
2993 qemu_opt_set(hda_opts, "trans", "lba");
2994 if (translation == BIOS_ATA_TRANSLATION_NONE)
2995 qemu_opt_set(hda_opts, "trans", "none");
2996 }
2997 }
2998 break;
2999 case QEMU_OPTION_numa:
3000 if (nb_numa_nodes >= MAX_NODES) {
3001 fprintf(stderr, "qemu: too many NUMA nodes\n");
3002 exit(1);
3003 }
3004 numa_add(optarg);
3005 break;
3006 case QEMU_OPTION_display:
3007 display_type = select_display(optarg);
3008 break;
3009 case QEMU_OPTION_nographic:
3010 display_type = DT_NOGRAPHIC;
3011 break;
3012 case QEMU_OPTION_curses:
3013 #ifdef CONFIG_CURSES
3014 display_type = DT_CURSES;
3015 #else
3016 fprintf(stderr, "Curses support is disabled\n");
3017 exit(1);
3018 #endif
3019 break;
3020 case QEMU_OPTION_portrait:
3021 graphic_rotate = 90;
3022 break;
3023 case QEMU_OPTION_rotate:
3024 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3025 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3026 graphic_rotate != 180 && graphic_rotate != 270) {
3027 fprintf(stderr,
3028 "qemu: only 90, 180, 270 deg rotation is available\n");
3029 exit(1);
3030 }
3031 break;
3032 case QEMU_OPTION_kernel:
3033 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3034 break;
3035 case QEMU_OPTION_initrd:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3037 break;
3038 case QEMU_OPTION_append:
3039 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3040 break;
3041 case QEMU_OPTION_dtb:
3042 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3043 break;
3044 case QEMU_OPTION_cdrom:
3045 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3046 break;
3047 case QEMU_OPTION_boot:
3048 {
3049 static const char * const params[] = {
3050 "order", "once", "menu",
3051 "splash", "splash-time",
3052 "reboot-timeout", NULL
3053 };
3054 char buf[sizeof(boot_devices)];
3055 char *standard_boot_devices;
3056 int legacy = 0;
3057
3058 if (!strchr(optarg, '=')) {
3059 legacy = 1;
3060 pstrcpy(buf, sizeof(buf), optarg);
3061 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3062 fprintf(stderr,
3063 "qemu: unknown boot parameter '%s' in '%s'\n",
3064 buf, optarg);
3065 exit(1);
3066 }
3067
3068 if (legacy ||
3069 get_param_value(buf, sizeof(buf), "order", optarg)) {
3070 validate_bootdevices(buf);
3071 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3072 }
3073 if (!legacy) {
3074 if (get_param_value(buf, sizeof(buf),
3075 "once", optarg)) {
3076 validate_bootdevices(buf);
3077 standard_boot_devices = g_strdup(boot_devices);
3078 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3079 qemu_register_reset(restore_boot_devices,
3080 standard_boot_devices);
3081 }
3082 if (get_param_value(buf, sizeof(buf),
3083 "menu", optarg)) {
3084 if (!strcmp(buf, "on")) {
3085 boot_menu = 1;
3086 } else if (!strcmp(buf, "off")) {
3087 boot_menu = 0;
3088 } else {
3089 fprintf(stderr,
3090 "qemu: invalid option value '%s'\n",
3091 buf);
3092 exit(1);
3093 }
3094 }
3095 qemu_opts_parse(qemu_find_opts("boot-opts"),
3096 optarg, 0);
3097 }
3098 }
3099 break;
3100 case QEMU_OPTION_fda:
3101 case QEMU_OPTION_fdb:
3102 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3103 optarg, FD_OPTS);
3104 break;
3105 case QEMU_OPTION_no_fd_bootchk:
3106 fd_bootchk = 0;
3107 break;
3108 case QEMU_OPTION_netdev:
3109 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3110 exit(1);
3111 }
3112 break;
3113 case QEMU_OPTION_net:
3114 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3115 exit(1);
3116 }
3117 break;
3118 #ifdef CONFIG_LIBISCSI
3119 case QEMU_OPTION_iscsi:
3120 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3121 if (!opts) {
3122 exit(1);
3123 }
3124 break;
3125 #endif
3126 #ifdef CONFIG_SLIRP
3127 case QEMU_OPTION_tftp:
3128 legacy_tftp_prefix = optarg;
3129 break;
3130 case QEMU_OPTION_bootp:
3131 legacy_bootp_filename = optarg;
3132 break;
3133 case QEMU_OPTION_redir:
3134 if (net_slirp_redir(optarg) < 0)
3135 exit(1);
3136 break;
3137 #endif
3138 case QEMU_OPTION_bt:
3139 add_device_config(DEV_BT, optarg);
3140 break;
3141 case QEMU_OPTION_audio_help:
3142 if (!(audio_available())) {
3143 printf("Option %s not supported for this target\n", popt->name);
3144 exit(1);
3145 }
3146 AUD_help ();
3147 exit (0);
3148 break;
3149 case QEMU_OPTION_soundhw:
3150 if (!(audio_available())) {
3151 printf("Option %s not supported for this target\n", popt->name);
3152 exit(1);
3153 }
3154 select_soundhw (optarg);
3155 break;
3156 case QEMU_OPTION_h:
3157 help(0);
3158 break;
3159 case QEMU_OPTION_version:
3160 version();
3161 exit(0);
3162 break;
3163 case QEMU_OPTION_m: {
3164 int64_t value;
3165 uint64_t sz;
3166 char *end;
3167
3168 value = strtosz(optarg, &end);
3169 if (value < 0 || *end) {
3170 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3171 exit(1);
3172 }
3173 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3174 ram_size = sz;
3175 if (ram_size != sz) {
3176 fprintf(stderr, "qemu: ram size too large\n");
3177 exit(1);
3178 }
3179 break;
3180 }
3181 case QEMU_OPTION_mempath:
3182 mem_path = optarg;
3183 break;
3184 #ifdef MAP_POPULATE
3185 case QEMU_OPTION_mem_prealloc:
3186 mem_prealloc = 1;
3187 break;
3188 #endif
3189 case QEMU_OPTION_d:
3190 log_mask = optarg;
3191 break;
3192 case QEMU_OPTION_D:
3193 log_file = optarg;
3194 break;
3195 case QEMU_OPTION_s:
3196 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3197 break;
3198 case QEMU_OPTION_gdb:
3199 add_device_config(DEV_GDB, optarg);
3200 break;
3201 case QEMU_OPTION_L:
3202 data_dir = optarg;
3203 break;
3204 case QEMU_OPTION_bios:
3205 bios_name = optarg;
3206 break;
3207 case QEMU_OPTION_singlestep:
3208 singlestep = 1;
3209 break;
3210 case QEMU_OPTION_S:
3211 autostart = 0;
3212 break;
3213 case QEMU_OPTION_k:
3214 keyboard_layout = optarg;
3215 break;
3216 case QEMU_OPTION_localtime:
3217 rtc_utc = 0;
3218 break;
3219 case QEMU_OPTION_vga:
3220 vga_model = optarg;
3221 default_vga = 0;
3222 break;
3223 case QEMU_OPTION_g:
3224 {
3225 const char *p;
3226 int w, h, depth;
3227 p = optarg;
3228 w = strtol(p, (char **)&p, 10);
3229 if (w <= 0) {
3230 graphic_error:
3231 fprintf(stderr, "qemu: invalid resolution or depth\n");
3232 exit(1);
3233 }
3234 if (*p != 'x')
3235 goto graphic_error;
3236 p++;
3237 h = strtol(p, (char **)&p, 10);
3238 if (h <= 0)
3239 goto graphic_error;
3240 if (*p == 'x') {
3241 p++;
3242 depth = strtol(p, (char **)&p, 10);
3243 if (depth != 8 && depth != 15 && depth != 16 &&
3244 depth != 24 && depth != 32)
3245 goto graphic_error;
3246 } else if (*p == '\0') {
3247 depth = graphic_depth;
3248 } else {
3249 goto graphic_error;
3250 }
3251
3252 graphic_width = w;
3253 graphic_height = h;
3254 graphic_depth = depth;
3255 }
3256 break;
3257 case QEMU_OPTION_echr:
3258 {
3259 char *r;
3260 term_escape_char = strtol(optarg, &r, 0);
3261 if (r == optarg)
3262 printf("Bad argument to echr\n");
3263 break;
3264 }
3265 case QEMU_OPTION_monitor:
3266 monitor_parse(optarg, "readline");
3267 default_monitor = 0;
3268 break;
3269 case QEMU_OPTION_qmp:
3270 monitor_parse(optarg, "control");
3271 default_monitor = 0;
3272 break;
3273 case QEMU_OPTION_mon:
3274 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3275 if (!opts) {
3276 exit(1);
3277 }
3278 default_monitor = 0;
3279 break;
3280 case QEMU_OPTION_chardev:
3281 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3282 if (!opts) {
3283 exit(1);
3284 }
3285 break;
3286 case QEMU_OPTION_fsdev:
3287 olist = qemu_find_opts("fsdev");
3288 if (!olist) {
3289 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3290 exit(1);
3291 }
3292 opts = qemu_opts_parse(olist, optarg, 1);
3293 if (!opts) {
3294 fprintf(stderr, "parse error: %s\n", optarg);
3295 exit(1);
3296 }
3297 break;
3298 case QEMU_OPTION_virtfs: {
3299 QemuOpts *fsdev;
3300 QemuOpts *device;
3301 const char *writeout, *sock_fd, *socket;
3302
3303 olist = qemu_find_opts("virtfs");
3304 if (!olist) {
3305 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3306 exit(1);
3307 }
3308 opts = qemu_opts_parse(olist, optarg, 1);
3309 if (!opts) {
3310 fprintf(stderr, "parse error: %s\n", optarg);
3311 exit(1);
3312 }
3313
3314 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3315 qemu_opt_get(opts, "mount_tag") == NULL) {
3316 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3317 exit(1);
3318 }
3319 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3320 qemu_opt_get(opts, "mount_tag"),
3321 1, NULL);
3322 if (!fsdev) {
3323 fprintf(stderr, "duplicate fsdev id: %s\n",
3324 qemu_opt_get(opts, "mount_tag"));
3325 exit(1);
3326 }
3327
3328 writeout = qemu_opt_get(opts, "writeout");
3329 if (writeout) {
3330 #ifdef CONFIG_SYNC_FILE_RANGE
3331 qemu_opt_set(fsdev, "writeout", writeout);
3332 #else
3333 fprintf(stderr, "writeout=immediate not supported on "
3334 "this platform\n");
3335 exit(1);
3336 #endif
3337 }
3338 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3339 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3340 qemu_opt_set(fsdev, "security_model",
3341 qemu_opt_get(opts, "security_model"));
3342 socket = qemu_opt_get(opts, "socket");
3343 if (socket) {
3344 qemu_opt_set(fsdev, "socket", socket);
3345 }
3346 sock_fd = qemu_opt_get(opts, "sock_fd");
3347 if (sock_fd) {
3348 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3349 }
3350
3351 qemu_opt_set_bool(fsdev, "readonly",
3352 qemu_opt_get_bool(opts, "readonly", 0));
3353 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3354 qemu_opt_set(device, "driver", "virtio-9p-pci");
3355 qemu_opt_set(device, "fsdev",
3356 qemu_opt_get(opts, "mount_tag"));
3357 qemu_opt_set(device, "mount_tag",
3358 qemu_opt_get(opts, "mount_tag"));
3359 break;
3360 }
3361 case QEMU_OPTION_virtfs_synth: {
3362 QemuOpts *fsdev;
3363 QemuOpts *device;
3364
3365 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3366 1, NULL);
3367 if (!fsdev) {
3368 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3369 exit(1);
3370 }
3371 qemu_opt_set(fsdev, "fsdriver", "synth");
3372
3373 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3374 qemu_opt_set(device, "driver", "virtio-9p-pci");
3375 qemu_opt_set(device, "fsdev", "v_synth");
3376 qemu_opt_set(device, "mount_tag", "v_synth");
3377 break;
3378 }
3379 case QEMU_OPTION_serial:
3380 add_device_config(DEV_SERIAL, optarg);
3381 default_serial = 0;
3382 if (strncmp(optarg, "mon:", 4) == 0) {
3383 default_monitor = 0;
3384 }
3385 break;
3386 case QEMU_OPTION_watchdog:
3387 if (watchdog) {
3388 fprintf(stderr,
3389 "qemu: only one watchdog option may be given\n");
3390 return 1;
3391 }
3392 watchdog = optarg;
3393 break;
3394 case QEMU_OPTION_watchdog_action:
3395 if (select_watchdog_action(optarg) == -1) {
3396 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3397 exit(1);
3398 }
3399 break;
3400 case QEMU_OPTION_virtiocon:
3401 add_device_config(DEV_VIRTCON, optarg);
3402 default_virtcon = 0;
3403 if (strncmp(optarg, "mon:", 4) == 0) {
3404 default_monitor = 0;
3405 }
3406 break;
3407 case QEMU_OPTION_parallel:
3408 add_device_config(DEV_PARALLEL, optarg);
3409 default_parallel = 0;
3410 if (strncmp(optarg, "mon:", 4) == 0) {
3411 default_monitor = 0;
3412 }
3413 break;
3414 case QEMU_OPTION_debugcon:
3415 add_device_config(DEV_DEBUGCON, optarg);
3416 break;
3417 case QEMU_OPTION_loadvm:
3418 loadvm = optarg;
3419 break;
3420 case QEMU_OPTION_full_screen:
3421 full_screen = 1;
3422 break;
3423 #ifdef CONFIG_SDL
3424 case QEMU_OPTION_no_frame:
3425 no_frame = 1;
3426 break;
3427 case QEMU_OPTION_alt_grab:
3428 alt_grab = 1;
3429 break;
3430 case QEMU_OPTION_ctrl_grab:
3431 ctrl_grab = 1;
3432 break;
3433 case QEMU_OPTION_no_quit:
3434 no_quit = 1;
3435 break;
3436 case QEMU_OPTION_sdl:
3437 display_type = DT_SDL;
3438 break;
3439 #else
3440 case QEMU_OPTION_no_frame:
3441 case QEMU_OPTION_alt_grab:
3442 case QEMU_OPTION_ctrl_grab:
3443 case QEMU_OPTION_no_quit:
3444 case QEMU_OPTION_sdl:
3445 fprintf(stderr, "SDL support is disabled\n");
3446 exit(1);
3447 #endif
3448 case QEMU_OPTION_pidfile:
3449 pid_file = optarg;
3450 break;
3451 case QEMU_OPTION_win2k_hack:
3452 win2k_install_hack = 1;
3453 break;
3454 case QEMU_OPTION_rtc_td_hack: {
3455 static GlobalProperty slew_lost_ticks[] = {
3456 {
3457 .driver = "mc146818rtc",
3458 .property = "lost_tick_policy",
3459 .value = "slew",
3460 },
3461 { /* end of list */ }
3462 };
3463
3464 qdev_prop_register_global_list(slew_lost_ticks);
3465 break;
3466 }
3467 case QEMU_OPTION_acpitable:
3468 do_acpitable_option(optarg);
3469 break;
3470 case QEMU_OPTION_smbios:
3471 do_smbios_option(optarg);
3472 break;
3473 case QEMU_OPTION_enable_kvm:
3474 olist = qemu_find_opts("machine");
3475 qemu_opts_parse(olist, "accel=kvm", 0);
3476 break;
3477 case QEMU_OPTION_machine:
3478 olist = qemu_find_opts("machine");
3479 opts = qemu_opts_parse(olist, optarg, 1);
3480 if (!opts) {
3481 fprintf(stderr, "parse error: %s\n", optarg);
3482 exit(1);
3483 }
3484 optarg = qemu_opt_get(opts, "type");
3485 if (optarg) {
3486 machine = machine_parse(optarg);
3487 }
3488 break;
3489 case QEMU_OPTION_no_kvm:
3490 olist = qemu_find_opts("machine");
3491 qemu_opts_parse(olist, "accel=tcg", 0);
3492 break;
3493 case QEMU_OPTION_no_kvm_pit: {
3494 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3495 "separately.\n");
3496 break;
3497 }
3498 case QEMU_OPTION_no_kvm_pit_reinjection: {
3499 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3500 {
3501 .driver = "kvm-pit",
3502 .property = "lost_tick_policy",
3503 .value = "discard",
3504 },
3505 { /* end of list */ }
3506 };
3507
3508 fprintf(stderr, "Warning: option deprecated, use "
3509 "lost_tick_policy property of kvm-pit instead.\n");
3510 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3511 break;
3512 }
3513 case QEMU_OPTION_usb:
3514 olist = qemu_find_opts("machine");
3515 qemu_opts_parse(olist, "usb=on", 0);
3516 break;
3517 case QEMU_OPTION_usbdevice:
3518 olist = qemu_find_opts("machine");
3519 qemu_opts_parse(olist, "usb=on", 0);
3520 add_device_config(DEV_USB, optarg);
3521 break;
3522 case QEMU_OPTION_device:
3523 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3524 exit(1);
3525 }
3526 break;
3527 case QEMU_OPTION_smp:
3528 smp_parse(optarg);
3529 if (smp_cpus < 1) {
3530 fprintf(stderr, "Invalid number of CPUs\n");
3531 exit(1);
3532 }
3533 if (max_cpus < smp_cpus) {
3534 fprintf(stderr, "maxcpus must be equal to or greater than "
3535 "smp\n");
3536 exit(1);
3537 }
3538 if (max_cpus > 255) {
3539 fprintf(stderr, "Unsupported number of maxcpus\n");
3540 exit(1);
3541 }
3542 break;
3543 case QEMU_OPTION_vnc:
3544 #ifdef CONFIG_VNC
3545 display_remote++;
3546 vnc_display = optarg;
3547 #else
3548 fprintf(stderr, "VNC support is disabled\n");
3549 exit(1);
3550 #endif
3551 break;
3552 case QEMU_OPTION_no_acpi:
3553 acpi_enabled = 0;
3554 break;
3555 case QEMU_OPTION_no_hpet:
3556 no_hpet = 1;
3557 break;
3558 case QEMU_OPTION_balloon:
3559 if (balloon_parse(optarg) < 0) {
3560 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3561 exit(1);
3562 }
3563 break;
3564 case QEMU_OPTION_no_reboot:
3565 no_reboot = 1;
3566 break;
3567 case QEMU_OPTION_no_shutdown:
3568 no_shutdown = 1;
3569 break;
3570 case QEMU_OPTION_show_cursor:
3571 cursor_hide = 0;
3572 break;
3573 case QEMU_OPTION_uuid:
3574 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3575 fprintf(stderr, "Fail to parse UUID string."
3576 " Wrong format.\n");
3577 exit(1);
3578 }
3579 break;
3580 case QEMU_OPTION_option_rom:
3581 if (nb_option_roms >= MAX_OPTION_ROMS) {
3582 fprintf(stderr, "Too many option ROMs\n");
3583 exit(1);
3584 }
3585 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3586 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3587 option_rom[nb_option_roms].bootindex =
3588 qemu_opt_get_number(opts, "bootindex", -1);
3589 if (!option_rom[nb_option_roms].name) {
3590 fprintf(stderr, "Option ROM file is not specified\n");
3591 exit(1);
3592 }
3593 nb_option_roms++;
3594 break;
3595 case QEMU_OPTION_semihosting:
3596 semihosting_enabled = 1;
3597 break;
3598 case QEMU_OPTION_tdf:
3599 fprintf(stderr, "Warning: user space PIT time drift fix "
3600 "is no longer supported.\n");
3601 break;
3602 case QEMU_OPTION_name:
3603 qemu_name = g_strdup(optarg);
3604 {
3605 char *p = strchr(qemu_name, ',');
3606 if (p != NULL) {
3607 *p++ = 0;
3608 if (strncmp(p, "process=", 8)) {
3609 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3610 exit(1);
3611 }
3612 p += 8;
3613 os_set_proc_name(p);
3614 }
3615 }
3616 break;
3617 case QEMU_OPTION_prom_env:
3618 if (nb_prom_envs >= MAX_PROM_ENVS) {
3619 fprintf(stderr, "Too many prom variables\n");
3620 exit(1);
3621 }
3622 prom_envs[nb_prom_envs] = optarg;
3623 nb_prom_envs++;
3624 break;
3625 case QEMU_OPTION_old_param:
3626 old_param = 1;
3627 break;
3628 case QEMU_OPTION_clock:
3629 configure_alarms(optarg);
3630 break;
3631 case QEMU_OPTION_startdate:
3632 configure_rtc_date_offset(optarg, 1);
3633 break;
3634 case QEMU_OPTION_rtc:
3635 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 configure_rtc(opts);
3640 break;
3641 case QEMU_OPTION_tb_size:
3642 tcg_tb_size = strtol(optarg, NULL, 0);
3643 if (tcg_tb_size < 0) {
3644 tcg_tb_size = 0;
3645 }
3646 break;
3647 case QEMU_OPTION_icount:
3648 icount_option = optarg;
3649 break;
3650 case QEMU_OPTION_incoming:
3651 incoming = optarg;
3652 runstate_set(RUN_STATE_INMIGRATE);
3653 break;
3654 case QEMU_OPTION_nodefaults:
3655 default_serial = 0;
3656 default_parallel = 0;
3657 default_virtcon = 0;
3658 default_sclp = 0;
3659 default_monitor = 0;
3660 default_net = 0;
3661 default_floppy = 0;
3662 default_cdrom = 0;
3663 default_sdcard = 0;
3664 default_vga = 0;
3665 break;
3666 case QEMU_OPTION_xen_domid:
3667 if (!(xen_available())) {
3668 printf("Option %s not supported for this target\n", popt->name);
3669 exit(1);
3670 }
3671 xen_domid = atoi(optarg);
3672 break;
3673 case QEMU_OPTION_xen_create:
3674 if (!(xen_available())) {
3675 printf("Option %s not supported for this target\n", popt->name);
3676 exit(1);
3677 }
3678 xen_mode = XEN_CREATE;
3679 break;
3680 case QEMU_OPTION_xen_attach:
3681 if (!(xen_available())) {
3682 printf("Option %s not supported for this target\n", popt->name);
3683 exit(1);
3684 }
3685 xen_mode = XEN_ATTACH;
3686 break;
3687 case QEMU_OPTION_trace:
3688 {
3689 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 trace_events = qemu_opt_get(opts, "events");
3694 trace_file = qemu_opt_get(opts, "file");
3695 break;
3696 }
3697 case QEMU_OPTION_readconfig:
3698 {
3699 int ret = qemu_read_config_file(optarg);
3700 if (ret < 0) {
3701 fprintf(stderr, "read config %s: %s\n", optarg,
3702 strerror(-ret));
3703 exit(1);
3704 }
3705 break;
3706 }
3707 case QEMU_OPTION_spice:
3708 olist = qemu_find_opts("spice");
3709 if (!olist) {
3710 fprintf(stderr, "spice is not supported by this qemu build.\n");
3711 exit(1);
3712 }
3713 opts = qemu_opts_parse(olist, optarg, 0);
3714 if (!opts) {
3715 fprintf(stderr, "parse error: %s\n", optarg);
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_writeconfig:
3720 {
3721 FILE *fp;
3722 if (strcmp(optarg, "-") == 0) {
3723 fp = stdout;
3724 } else {
3725 fp = fopen(optarg, "w");
3726 if (fp == NULL) {
3727 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3728 exit(1);
3729 }
3730 }
3731 qemu_config_write(fp);
3732 fclose(fp);
3733 break;
3734 }
3735 case QEMU_OPTION_qtest:
3736 qtest_chrdev = optarg;
3737 break;
3738 case QEMU_OPTION_qtest_log:
3739 qtest_log = optarg;
3740 break;
3741 case QEMU_OPTION_sandbox:
3742 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3743 if (!opts) {
3744 exit(0);
3745 }
3746 break;
3747 case QEMU_OPTION_add_fd:
3748 #ifndef _WIN32
3749 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3750 if (!opts) {
3751 exit(0);
3752 }
3753 #else
3754 error_report("File descriptor passing is disabled on this "
3755 "platform");
3756 exit(1);
3757 #endif
3758 break;
3759 case QEMU_OPTION_object:
3760 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3761 break;
3762 default:
3763 os_parse_cmd_args(popt->index, optarg);
3764 }
3765 }
3766 }
3767 loc_set_none();
3768
3769 if (qemu_init_main_loop()) {
3770 fprintf(stderr, "qemu_init_main_loop failed\n");
3771 exit(1);
3772 }
3773
3774 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3775 exit(1);
3776 }
3777
3778 #ifndef _WIN32
3779 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3780 exit(1);
3781 }
3782
3783 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3784 exit(1);
3785 }
3786 #endif
3787
3788 if (machine == NULL) {
3789 fprintf(stderr, "No machine found.\n");
3790 exit(1);
3791 }
3792
3793 if (machine->hw_version) {
3794 qemu_set_version(machine->hw_version);
3795 }
3796
3797 if (qemu_opts_foreach(qemu_find_opts("object"),
3798 object_create, NULL, 0) != 0) {
3799 exit(1);
3800 }
3801
3802 /* Init CPU def lists, based on config
3803 * - Must be called after all the qemu_read_config_file() calls
3804 * - Must be called before list_cpus()
3805 * - Must be called before machine->init()
3806 */
3807 cpudef_init();
3808
3809 if (cpu_model && is_help_option(cpu_model)) {
3810 list_cpus(stdout, &fprintf, cpu_model);
3811 exit(0);
3812 }
3813
3814 /* Open the logfile at this point, if necessary. We can't open the logfile
3815 * when encountering either of the logging options (-d or -D) because the
3816 * other one may be encountered later on the command line, changing the
3817 * location or level of logging.
3818 */
3819 if (log_mask) {
3820 if (log_file) {
3821 set_cpu_log_filename(log_file);
3822 }
3823 set_cpu_log(log_mask);
3824 }
3825
3826 if (!trace_backend_init(trace_events, trace_file)) {
3827 exit(1);
3828 }
3829
3830 /* If no data_dir is specified then try to find it relative to the
3831 executable path. */
3832 if (!data_dir) {
3833 data_dir = os_find_datadir(argv[0]);
3834 }
3835 /* If all else fails use the install path specified when building. */
3836 if (!data_dir) {
3837 data_dir = CONFIG_QEMU_DATADIR;
3838 }
3839
3840 /*
3841 * Default to max_cpus = smp_cpus, in case the user doesn't
3842 * specify a max_cpus value.
3843 */
3844 if (!max_cpus)
3845 max_cpus = smp_cpus;
3846
3847 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3848 if (smp_cpus > machine->max_cpus) {
3849 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3850 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3851 machine->max_cpus);
3852 exit(1);
3853 }
3854
3855 /*
3856 * Get the default machine options from the machine if it is not already
3857 * specified either by the configuration file or by the command line.
3858 */
3859 if (machine->default_machine_opts) {
3860 qemu_opts_set_defaults(qemu_find_opts("machine"),
3861 machine->default_machine_opts, 0);
3862 }
3863
3864 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3865 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3866
3867 if (machine->no_serial) {
3868 default_serial = 0;
3869 }
3870 if (machine->no_parallel) {
3871 default_parallel = 0;
3872 }
3873 if (!machine->use_virtcon) {
3874 default_virtcon = 0;
3875 }
3876 if (!machine->use_sclp) {
3877 default_sclp = 0;
3878 }
3879 if (machine->no_floppy) {
3880 default_floppy = 0;
3881 }
3882 if (machine->no_cdrom) {
3883 default_cdrom = 0;
3884 }
3885 if (machine->no_sdcard) {
3886 default_sdcard = 0;
3887 }
3888
3889 if (is_daemonized()) {
3890 /* According to documentation and historically, -nographic redirects
3891 * serial port, parallel port and monitor to stdio, which does not work
3892 * with -daemonize. We can redirect these to null instead, but since
3893 * -nographic is legacy, let's just error out.
3894 * We disallow -nographic only if all other ports are not redirected
3895 * explicitly, to not break existing legacy setups which uses
3896 * -nographic _and_ redirects all ports explicitly - this is valid
3897 * usage, -nographic is just a no-op in this case.
3898 */
3899 if (display_type == DT_NOGRAPHIC
3900 && (default_parallel || default_serial
3901 || default_monitor || default_virtcon)) {
3902 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3903 exit(1);
3904 }
3905 #ifdef CONFIG_CURSES
3906 if (display_type == DT_CURSES) {
3907 fprintf(stderr, "curses display can not be used with -daemonize\n");
3908 exit(1);
3909 }
3910 #endif
3911 }
3912
3913 if (display_type == DT_NOGRAPHIC) {
3914 if (default_parallel)
3915 add_device_config(DEV_PARALLEL, "null");
3916 if (default_serial && default_monitor) {
3917 add_device_config(DEV_SERIAL, "mon:stdio");
3918 } else if (default_virtcon && default_monitor) {
3919 add_device_config(DEV_VIRTCON, "mon:stdio");
3920 } else if (default_sclp && default_monitor) {
3921 add_device_config(DEV_SCLP, "mon:stdio");
3922 } else {
3923 if (default_serial)
3924 add_device_config(DEV_SERIAL, "stdio");
3925 if (default_virtcon)
3926 add_device_config(DEV_VIRTCON, "stdio");
3927 if (default_sclp) {
3928 add_device_config(DEV_SCLP, "stdio");
3929 }
3930 if (default_monitor)
3931 monitor_parse("stdio", "readline");
3932 }
3933 } else {
3934 if (default_serial)
3935 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3936 if (default_parallel)
3937 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3938 if (default_monitor)
3939 monitor_parse("vc:80Cx24C", "readline");
3940 if (default_virtcon)
3941 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3942 if (default_sclp) {
3943 add_device_config(DEV_SCLP, "vc:80Cx24C");
3944 }
3945 }
3946
3947 socket_init();
3948
3949 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3950 exit(1);
3951 #ifdef CONFIG_VIRTFS
3952 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3953 exit(1);
3954 }
3955 #endif
3956
3957 os_daemonize();
3958
3959 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3960 os_pidfile_error();
3961 exit(1);
3962 }
3963
3964 /* init the memory */
3965 if (ram_size == 0) {
3966 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3967 }
3968
3969 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3970 != 0) {
3971 exit(0);
3972 }
3973
3974 configure_accelerator();
3975
3976 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3977 if (machine_opts) {
3978 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3979 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3980 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3981 } else {
3982 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3983 }
3984
3985 if (!kernel_cmdline) {
3986 kernel_cmdline = "";
3987 }
3988
3989 linux_boot = (kernel_filename != NULL);
3990
3991 if (!linux_boot && *kernel_cmdline != '\0') {
3992 fprintf(stderr, "-append only allowed with -kernel option\n");
3993 exit(1);
3994 }
3995
3996 if (!linux_boot && initrd_filename != NULL) {
3997 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3998 exit(1);
3999 }
4000
4001 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4002 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4003 exit(1);
4004 }
4005
4006 os_set_line_buffering();
4007
4008 qemu_init_cpu_loop();
4009 qemu_mutex_lock_iothread();
4010
4011 #ifdef CONFIG_SPICE
4012 /* spice needs the timers to be initialized by this point */
4013 qemu_spice_init();
4014 #endif
4015
4016 if (icount_option && (kvm_enabled() || xen_enabled())) {
4017 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4018 exit(1);
4019 }
4020 configure_icount(icount_option);
4021
4022 /* clean up network at qemu process termination */
4023 atexit(&net_cleanup);
4024
4025 if (net_init_clients() < 0) {
4026 exit(1);
4027 }
4028
4029 /* init the bluetooth world */
4030 if (foreach_device_config(DEV_BT, bt_parse))
4031 exit(1);
4032
4033 if (!xen_enabled()) {
4034 /* On 32-bit hosts, QEMU is limited by virtual address space */
4035 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4036 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4037 exit(1);
4038 }
4039 }
4040
4041 cpu_exec_init_all();
4042
4043 bdrv_init_with_whitelist();
4044
4045 blk_mig_init();
4046
4047 /* open the virtual block devices */
4048 if (snapshot)
4049 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4050 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4051 &machine->block_default_type, 1) != 0) {
4052 exit(1);
4053 }
4054
4055 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4056 CDROM_OPTS);
4057 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4058 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4059
4060 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4061
4062 if (nb_numa_nodes > 0) {
4063 int i;
4064
4065 if (nb_numa_nodes > MAX_NODES) {
4066 nb_numa_nodes = MAX_NODES;
4067 }
4068
4069 /* If no memory size if given for any node, assume the default case
4070 * and distribute the available memory equally across all nodes
4071 */
4072 for (i = 0; i < nb_numa_nodes; i++) {
4073 if (node_mem[i] != 0)
4074 break;
4075 }
4076 if (i == nb_numa_nodes) {
4077 uint64_t usedmem = 0;
4078
4079 /* On Linux, the each node's border has to be 8MB aligned,
4080 * the final node gets the rest.
4081 */
4082 for (i = 0; i < nb_numa_nodes - 1; i++) {
4083 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4084 usedmem += node_mem[i];
4085 }
4086 node_mem[i] = ram_size - usedmem;
4087 }
4088
4089 for (i = 0; i < nb_numa_nodes; i++) {
4090 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4091 break;
4092 }
4093 }
4094 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4095 * must cope with this anyway, because there are BIOSes out there in
4096 * real machines which also use this scheme.
4097 */
4098 if (i == nb_numa_nodes) {
4099 for (i = 0; i < max_cpus; i++) {
4100 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4101 }
4102 }
4103 }
4104
4105 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4106 exit(1);
4107 }
4108
4109 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4110 exit(1);
4111 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4112 exit(1);
4113 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4114 exit(1);
4115 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4116 exit(1);
4117 }
4118 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4119 exit(1);
4120
4121 /* If no default VGA is requested, the default is "none". */
4122 if (default_vga) {
4123 if (cirrus_vga_available()) {
4124 vga_model = "cirrus";
4125 } else if (vga_available()) {
4126 vga_model = "std";
4127 }
4128 }
4129 select_vgahw(vga_model);
4130
4131 if (watchdog) {
4132 i = select_watchdog(watchdog);
4133 if (i > 0)
4134 exit (i == 1 ? 1 : 0);
4135 }
4136
4137 if (machine->compat_props) {
4138 qdev_prop_register_global_list(machine->compat_props);
4139 }
4140 qemu_add_globals();
4141
4142 qdev_machine_init();
4143
4144 QEMUMachineInitArgs args = { .ram_size = ram_size,
4145 .boot_device = (boot_devices[0] == '\0') ?
4146 machine->boot_order :
4147 boot_devices,
4148 .kernel_filename = kernel_filename,
4149 .kernel_cmdline = kernel_cmdline,
4150 .initrd_filename = initrd_filename,
4151 .cpu_model = cpu_model };
4152 machine->init(&args);
4153
4154 cpu_synchronize_all_post_init();
4155
4156 set_numa_modes();
4157
4158 current_machine = machine;
4159
4160 /* init USB devices */
4161 if (usb_enabled(false)) {
4162 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4163 exit(1);
4164 }
4165
4166 /* init generic devices */
4167 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4168 exit(1);
4169
4170 net_check_clients();
4171
4172 /* just use the first displaystate for the moment */
4173 ds = get_displaystate();
4174
4175 if (using_spice)
4176 display_remote++;
4177 if (display_type == DT_DEFAULT && !display_remote) {
4178 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4179 display_type = DT_SDL;
4180 #elif defined(CONFIG_VNC)
4181 vnc_display = "localhost:0,to=99";
4182 show_vnc_port = 1;
4183 #else
4184 display_type = DT_NONE;
4185 #endif
4186 }
4187
4188
4189 /* init local displays */
4190 switch (display_type) {
4191 case DT_NOGRAPHIC:
4192 break;
4193 #if defined(CONFIG_CURSES)
4194 case DT_CURSES:
4195 curses_display_init(ds, full_screen);
4196 break;
4197 #endif
4198 #if defined(CONFIG_SDL)
4199 case DT_SDL:
4200 sdl_display_init(ds, full_screen, no_frame);
4201 break;
4202 #elif defined(CONFIG_COCOA)
4203 case DT_SDL:
4204 cocoa_display_init(ds, full_screen);
4205 break;
4206 #endif
4207 default:
4208 break;
4209 }
4210
4211 /* must be after terminal init, SDL library changes signal handlers */
4212 os_setup_signal_handling();
4213
4214 #ifdef CONFIG_VNC
4215 /* init remote displays */
4216 if (vnc_display) {
4217 Error *local_err = NULL;
4218 vnc_display_init(ds);
4219 vnc_display_open(ds, vnc_display, &local_err);
4220 if (local_err != NULL) {
4221 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4222 vnc_display, error_get_pretty(local_err));
4223 error_free(local_err);
4224 exit(1);
4225 }
4226
4227 if (show_vnc_port) {
4228 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4229 }
4230 }
4231 #endif
4232 #ifdef CONFIG_SPICE
4233 if (using_spice && !qxl_enabled) {
4234 qemu_spice_display_init(ds);
4235 }
4236 #endif
4237
4238 /* display setup */
4239 text_consoles_set_display(ds);
4240
4241 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4242 exit(1);
4243 }
4244
4245 qdev_machine_creation_done();
4246
4247 if (rom_load_all() != 0) {
4248 fprintf(stderr, "rom loading failed\n");
4249 exit(1);
4250 }
4251
4252 /* TODO: once all bus devices are qdevified, this should be done
4253 * when bus is created by qdev.c */
4254 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4255 qemu_run_machine_init_done_notifiers();
4256
4257 qemu_system_reset(VMRESET_SILENT);
4258 if (loadvm) {
4259 if (load_vmstate(loadvm) < 0) {
4260 autostart = 0;
4261 }
4262 }
4263
4264 if (incoming) {
4265 Error *local_err = NULL;
4266 qemu_start_incoming_migration(incoming, &local_err);
4267 if (local_err) {
4268 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4269 error_free(local_err);
4270 exit(1);
4271 }
4272 } else if (autostart) {
4273 vm_start();
4274 }
4275
4276 os_setup_post();
4277
4278 resume_all_vcpus();
4279 main_loop();
4280 bdrv_close_all();
4281 pause_all_vcpus();
4282 res_free();
4283
4284 return 0;
4285 }
Qemu with PowerPC KVM improvements