trap signals for "-serial mon:stdio"
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "qemu/bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
122 #include "hw/bt.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
126 #include "hw/qdev.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/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 "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
153 #ifdef CONFIG_VIRTFS
154 #include "fsdev/qemu-fsdev.h"
155 #endif
156 #include "sysemu/qtest.h"
157
158 #include "disas/disas.h"
159
160 #include "qemu/sockets.h"
161
162 #include "slirp/libslirp.h"
163
164 #include "trace.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
170
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
173
174 //#define DEBUG_NET
175 //#define DEBUG_SLIRP
176
177 #define DEFAULT_RAM_SIZE 128
178
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
181
182 static const char *data_dir[16];
183 static int data_dir_idx;
184 const char *bios_name = NULL;
185 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186 DisplayType display_type = DT_DEFAULT;
187 static int display_remote;
188 const char* keyboard_layout = NULL;
189 ram_addr_t ram_size;
190 const char *mem_path = NULL;
191 #ifdef MAP_POPULATE
192 int mem_prealloc = 0; /* force preallocation of physical target memory */
193 #endif
194 int nb_nics;
195 NICInfo nd_table[MAX_NICS];
196 int autostart;
197 static int rtc_utc = 1;
198 static int rtc_date_offset = -1; /* -1 means no change */
199 QEMUClock *rtc_clock;
200 int vga_interface_type = VGA_NONE;
201 static int full_screen = 0;
202 static int no_frame = 0;
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 bool boot_strict;
236 uint8_t *boot_splash_filedata;
237 size_t boot_splash_filedata_size;
238 uint8_t qemu_extra_params_fw[2];
239
240 typedef struct FWBootEntry FWBootEntry;
241
242 struct FWBootEntry {
243 QTAILQ_ENTRY(FWBootEntry) link;
244 int32_t bootindex;
245 DeviceState *dev;
246 char *suffix;
247 };
248
249 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
250 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
251
252 int nb_numa_nodes;
253 uint64_t node_mem[MAX_NODES];
254 unsigned long *node_cpumask[MAX_NODES];
255
256 uint8_t qemu_uuid[16];
257
258 static QEMUBootSetHandler *boot_set_handler;
259 static void *boot_set_opaque;
260
261 static NotifierList exit_notifiers =
262 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
263
264 static NotifierList machine_init_done_notifiers =
265 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
266
267 static bool tcg_allowed = true;
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 .implied_opt_name = "order",
438 .merge_lists = true,
439 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
440 .desc = {
441 {
442 .name = "order",
443 .type = QEMU_OPT_STRING,
444 }, {
445 .name = "once",
446 .type = QEMU_OPT_STRING,
447 }, {
448 .name = "menu",
449 .type = QEMU_OPT_BOOL,
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 .name = "strict",
461 .type = QEMU_OPT_STRING,
462 },
463 { /*End of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_add_fd_opts = {
468 .name = "add-fd",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
470 .desc = {
471 {
472 .name = "fd",
473 .type = QEMU_OPT_NUMBER,
474 .help = "file descriptor of which a duplicate is added to fd set",
475 },{
476 .name = "set",
477 .type = QEMU_OPT_NUMBER,
478 .help = "ID of the fd set to add fd to",
479 },{
480 .name = "opaque",
481 .type = QEMU_OPT_STRING,
482 .help = "free-form string used to describe fd",
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_object_opts = {
489 .name = "object",
490 .implied_opt_name = "qom-type",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
492 .desc = {
493 { }
494 },
495 };
496
497 static QemuOptsList qemu_tpmdev_opts = {
498 .name = "tpmdev",
499 .implied_opt_name = "type",
500 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
501 .desc = {
502 /* options are defined in the TPM backends */
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_realtime_opts = {
508 .name = "realtime",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
510 .desc = {
511 {
512 .name = "mlock",
513 .type = QEMU_OPT_BOOL,
514 },
515 { /* end of list */ }
516 },
517 };
518
519 const char *qemu_get_vm_name(void)
520 {
521 return qemu_name;
522 }
523
524 static void res_free(void)
525 {
526 if (boot_splash_filedata != NULL) {
527 g_free(boot_splash_filedata);
528 boot_splash_filedata = NULL;
529 }
530 }
531
532 static int default_driver_check(QemuOpts *opts, void *opaque)
533 {
534 const char *driver = qemu_opt_get(opts, "driver");
535 int i;
536
537 if (!driver)
538 return 0;
539 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
540 if (strcmp(default_list[i].driver, driver) != 0)
541 continue;
542 *(default_list[i].flag) = 0;
543 }
544 return 0;
545 }
546
547 /***********************************************************/
548 /* QEMU state */
549
550 static RunState current_run_state = RUN_STATE_PRELAUNCH;
551
552 typedef struct {
553 RunState from;
554 RunState to;
555 } RunStateTransition;
556
557 static const RunStateTransition runstate_transitions_def[] = {
558 /* from -> to */
559 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
560
561 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
562 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
563
564 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
565 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
566
567 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
568 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
569
570 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
571 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
572
573 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
574 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
575
576 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
577 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
578 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
579
580 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
582
583 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
584
585 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
586 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
587 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
588 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
589 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
591 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
592 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
594 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
595
596 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
597
598 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
599 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
602 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
603 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
604 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
607 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
610 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
612
613 { RUN_STATE_MAX, RUN_STATE_MAX },
614 };
615
616 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
617
618 bool runstate_check(RunState state)
619 {
620 return current_run_state == state;
621 }
622
623 static void runstate_init(void)
624 {
625 const RunStateTransition *p;
626
627 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
628
629 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
630 runstate_valid_transitions[p->from][p->to] = true;
631 }
632 }
633
634 /* This function will abort() on invalid state transitions */
635 void runstate_set(RunState new_state)
636 {
637 assert(new_state < RUN_STATE_MAX);
638
639 if (!runstate_valid_transitions[current_run_state][new_state]) {
640 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
641 RunState_lookup[current_run_state],
642 RunState_lookup[new_state]);
643 abort();
644 }
645 trace_runstate_set(new_state);
646 current_run_state = new_state;
647 }
648
649 int runstate_is_running(void)
650 {
651 return runstate_check(RUN_STATE_RUNNING);
652 }
653
654 bool runstate_needs_reset(void)
655 {
656 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
657 runstate_check(RUN_STATE_SHUTDOWN) ||
658 runstate_check(RUN_STATE_GUEST_PANICKED);
659 }
660
661 StatusInfo *qmp_query_status(Error **errp)
662 {
663 StatusInfo *info = g_malloc0(sizeof(*info));
664
665 info->running = runstate_is_running();
666 info->singlestep = singlestep;
667 info->status = current_run_state;
668
669 return info;
670 }
671
672 /***********************************************************/
673 /* real time host monotonic timer */
674
675 /***********************************************************/
676 /* host time/date access */
677 void qemu_get_timedate(struct tm *tm, int offset)
678 {
679 time_t ti;
680
681 time(&ti);
682 ti += offset;
683 if (rtc_date_offset == -1) {
684 if (rtc_utc)
685 gmtime_r(&ti, tm);
686 else
687 localtime_r(&ti, tm);
688 } else {
689 ti -= rtc_date_offset;
690 gmtime_r(&ti, tm);
691 }
692 }
693
694 int qemu_timedate_diff(struct tm *tm)
695 {
696 time_t seconds;
697
698 if (rtc_date_offset == -1)
699 if (rtc_utc)
700 seconds = mktimegm(tm);
701 else {
702 struct tm tmp = *tm;
703 tmp.tm_isdst = -1; /* use timezone to figure it out */
704 seconds = mktime(&tmp);
705 }
706 else
707 seconds = mktimegm(tm) + rtc_date_offset;
708
709 return seconds - time(NULL);
710 }
711
712 void rtc_change_mon_event(struct tm *tm)
713 {
714 QObject *data;
715
716 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
717 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
718 qobject_decref(data);
719 }
720
721 static void configure_rtc_date_offset(const char *startdate, int legacy)
722 {
723 time_t rtc_start_date;
724 struct tm tm;
725
726 if (!strcmp(startdate, "now") && legacy) {
727 rtc_date_offset = -1;
728 } else {
729 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
730 &tm.tm_year,
731 &tm.tm_mon,
732 &tm.tm_mday,
733 &tm.tm_hour,
734 &tm.tm_min,
735 &tm.tm_sec) == 6) {
736 /* OK */
737 } else if (sscanf(startdate, "%d-%d-%d",
738 &tm.tm_year,
739 &tm.tm_mon,
740 &tm.tm_mday) == 3) {
741 tm.tm_hour = 0;
742 tm.tm_min = 0;
743 tm.tm_sec = 0;
744 } else {
745 goto date_fail;
746 }
747 tm.tm_year -= 1900;
748 tm.tm_mon--;
749 rtc_start_date = mktimegm(&tm);
750 if (rtc_start_date == -1) {
751 date_fail:
752 fprintf(stderr, "Invalid date format. Valid formats are:\n"
753 "'2006-06-17T16:01:21' or '2006-06-17'\n");
754 exit(1);
755 }
756 rtc_date_offset = time(NULL) - rtc_start_date;
757 }
758 }
759
760 static void configure_rtc(QemuOpts *opts)
761 {
762 const char *value;
763
764 value = qemu_opt_get(opts, "base");
765 if (value) {
766 if (!strcmp(value, "utc")) {
767 rtc_utc = 1;
768 } else if (!strcmp(value, "localtime")) {
769 rtc_utc = 0;
770 } else {
771 configure_rtc_date_offset(value, 0);
772 }
773 }
774 value = qemu_opt_get(opts, "clock");
775 if (value) {
776 if (!strcmp(value, "host")) {
777 rtc_clock = host_clock;
778 } else if (!strcmp(value, "rt")) {
779 rtc_clock = rt_clock;
780 } else if (!strcmp(value, "vm")) {
781 rtc_clock = vm_clock;
782 } else {
783 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
784 exit(1);
785 }
786 }
787 value = qemu_opt_get(opts, "driftfix");
788 if (value) {
789 if (!strcmp(value, "slew")) {
790 static GlobalProperty slew_lost_ticks[] = {
791 {
792 .driver = "mc146818rtc",
793 .property = "lost_tick_policy",
794 .value = "slew",
795 },
796 { /* end of list */ }
797 };
798
799 qdev_prop_register_global_list(slew_lost_ticks);
800 } else if (!strcmp(value, "none")) {
801 /* discard is default */
802 } else {
803 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
804 exit(1);
805 }
806 }
807 }
808
809 /***********************************************************/
810 /* Bluetooth support */
811 static int nb_hcis;
812 static int cur_hci;
813 static struct HCIInfo *hci_table[MAX_NICS];
814
815 static struct bt_vlan_s {
816 struct bt_scatternet_s net;
817 int id;
818 struct bt_vlan_s *next;
819 } *first_bt_vlan;
820
821 /* find or alloc a new bluetooth "VLAN" */
822 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
823 {
824 struct bt_vlan_s **pvlan, *vlan;
825 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
826 if (vlan->id == id)
827 return &vlan->net;
828 }
829 vlan = g_malloc0(sizeof(struct bt_vlan_s));
830 vlan->id = id;
831 pvlan = &first_bt_vlan;
832 while (*pvlan != NULL)
833 pvlan = &(*pvlan)->next;
834 *pvlan = vlan;
835 return &vlan->net;
836 }
837
838 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
839 {
840 }
841
842 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
843 {
844 return -ENOTSUP;
845 }
846
847 static struct HCIInfo null_hci = {
848 .cmd_send = null_hci_send,
849 .sco_send = null_hci_send,
850 .acl_send = null_hci_send,
851 .bdaddr_set = null_hci_addr_set,
852 };
853
854 struct HCIInfo *qemu_next_hci(void)
855 {
856 if (cur_hci == nb_hcis)
857 return &null_hci;
858
859 return hci_table[cur_hci++];
860 }
861
862 static struct HCIInfo *hci_init(const char *str)
863 {
864 char *endp;
865 struct bt_scatternet_s *vlan = 0;
866
867 if (!strcmp(str, "null"))
868 /* null */
869 return &null_hci;
870 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
871 /* host[:hciN] */
872 return bt_host_hci(str[4] ? str + 5 : "hci0");
873 else if (!strncmp(str, "hci", 3)) {
874 /* hci[,vlan=n] */
875 if (str[3]) {
876 if (!strncmp(str + 3, ",vlan=", 6)) {
877 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
878 if (*endp)
879 vlan = 0;
880 }
881 } else
882 vlan = qemu_find_bt_vlan(0);
883 if (vlan)
884 return bt_new_hci(vlan);
885 }
886
887 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
888
889 return 0;
890 }
891
892 static int bt_hci_parse(const char *str)
893 {
894 struct HCIInfo *hci;
895 bdaddr_t bdaddr;
896
897 if (nb_hcis >= MAX_NICS) {
898 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
899 return -1;
900 }
901
902 hci = hci_init(str);
903 if (!hci)
904 return -1;
905
906 bdaddr.b[0] = 0x52;
907 bdaddr.b[1] = 0x54;
908 bdaddr.b[2] = 0x00;
909 bdaddr.b[3] = 0x12;
910 bdaddr.b[4] = 0x34;
911 bdaddr.b[5] = 0x56 + nb_hcis;
912 hci->bdaddr_set(hci, bdaddr.b);
913
914 hci_table[nb_hcis++] = hci;
915
916 return 0;
917 }
918
919 static void bt_vhci_add(int vlan_id)
920 {
921 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
922
923 if (!vlan->slave)
924 fprintf(stderr, "qemu: warning: adding a VHCI to "
925 "an empty scatternet %i\n", vlan_id);
926
927 bt_vhci_init(bt_new_hci(vlan));
928 }
929
930 static struct bt_device_s *bt_device_add(const char *opt)
931 {
932 struct bt_scatternet_s *vlan;
933 int vlan_id = 0;
934 char *endp = strstr(opt, ",vlan=");
935 int len = (endp ? endp - opt : strlen(opt)) + 1;
936 char devname[10];
937
938 pstrcpy(devname, MIN(sizeof(devname), len), opt);
939
940 if (endp) {
941 vlan_id = strtol(endp + 6, &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
944 return 0;
945 }
946 }
947
948 vlan = qemu_find_bt_vlan(vlan_id);
949
950 if (!vlan->slave)
951 fprintf(stderr, "qemu: warning: adding a slave device to "
952 "an empty scatternet %i\n", vlan_id);
953
954 if (!strcmp(devname, "keyboard"))
955 return bt_keyboard_init(vlan);
956
957 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
958 return 0;
959 }
960
961 static int bt_parse(const char *opt)
962 {
963 const char *endp, *p;
964 int vlan;
965
966 if (strstart(opt, "hci", &endp)) {
967 if (!*endp || *endp == ',') {
968 if (*endp)
969 if (!strstart(endp, ",vlan=", 0))
970 opt = endp + 1;
971
972 return bt_hci_parse(opt);
973 }
974 } else if (strstart(opt, "vhci", &endp)) {
975 if (!*endp || *endp == ',') {
976 if (*endp) {
977 if (strstart(endp, ",vlan=", &p)) {
978 vlan = strtol(p, (char **) &endp, 0);
979 if (*endp) {
980 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
981 return 1;
982 }
983 } else {
984 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
985 return 1;
986 }
987 } else
988 vlan = 0;
989
990 bt_vhci_add(vlan);
991 return 0;
992 }
993 } else if (strstart(opt, "device:", &endp))
994 return !bt_device_add(endp);
995
996 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
997 return 1;
998 }
999
1000 static int parse_sandbox(QemuOpts *opts, void *opaque)
1001 {
1002 /* FIXME: change this to true for 1.3 */
1003 if (qemu_opt_get_bool(opts, "enable", false)) {
1004 #ifdef CONFIG_SECCOMP
1005 if (seccomp_start() < 0) {
1006 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1007 "failed to install seccomp syscall filter in the kernel");
1008 return -1;
1009 }
1010 #else
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1012 "sandboxing request but seccomp is not compiled into this build");
1013 return -1;
1014 #endif
1015 }
1016
1017 return 0;
1018 }
1019
1020 /*********QEMU USB setting******/
1021 bool usb_enabled(bool default_usb)
1022 {
1023 QemuOpts *mach_opts;
1024 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
1025 if (mach_opts) {
1026 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
1027 }
1028 return default_usb;
1029 }
1030
1031 #ifndef _WIN32
1032 static int parse_add_fd(QemuOpts *opts, void *opaque)
1033 {
1034 int fd, dupfd, flags;
1035 int64_t fdset_id;
1036 const char *fd_opaque = NULL;
1037
1038 fd = qemu_opt_get_number(opts, "fd", -1);
1039 fdset_id = qemu_opt_get_number(opts, "set", -1);
1040 fd_opaque = qemu_opt_get(opts, "opaque");
1041
1042 if (fd < 0) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "fd option is required and must be non-negative");
1045 return -1;
1046 }
1047
1048 if (fd <= STDERR_FILENO) {
1049 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1050 "fd cannot be a standard I/O stream");
1051 return -1;
1052 }
1053
1054 /*
1055 * All fds inherited across exec() necessarily have FD_CLOEXEC
1056 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1057 */
1058 flags = fcntl(fd, F_GETFD);
1059 if (flags == -1 || (flags & FD_CLOEXEC)) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "fd is not valid or already in use");
1062 return -1;
1063 }
1064
1065 if (fdset_id < 0) {
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1067 "set option is required and must be non-negative");
1068 return -1;
1069 }
1070
1071 #ifdef F_DUPFD_CLOEXEC
1072 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1073 #else
1074 dupfd = dup(fd);
1075 if (dupfd != -1) {
1076 qemu_set_cloexec(dupfd);
1077 }
1078 #endif
1079 if (dupfd == -1) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1081 "Error duplicating fd: %s", strerror(errno));
1082 return -1;
1083 }
1084
1085 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1086 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1087 fd_opaque, NULL);
1088
1089 return 0;
1090 }
1091
1092 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1093 {
1094 int fd;
1095
1096 fd = qemu_opt_get_number(opts, "fd", -1);
1097 close(fd);
1098
1099 return 0;
1100 }
1101 #endif
1102
1103 /***********************************************************/
1104 /* QEMU Block devices */
1105
1106 #define HD_OPTS "media=disk"
1107 #define CDROM_OPTS "media=cdrom"
1108 #define FD_OPTS ""
1109 #define PFLASH_OPTS ""
1110 #define MTD_OPTS ""
1111 #define SD_OPTS ""
1112
1113 static int drive_init_func(QemuOpts *opts, void *opaque)
1114 {
1115 BlockInterfaceType *block_default_type = opaque;
1116
1117 return drive_init(opts, *block_default_type) == NULL;
1118 }
1119
1120 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1121 {
1122 if (NULL == qemu_opt_get(opts, "snapshot")) {
1123 qemu_opt_set(opts, "snapshot", "on");
1124 }
1125 return 0;
1126 }
1127
1128 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1129 int index, const char *optstr)
1130 {
1131 QemuOpts *opts;
1132
1133 if (!enable || drive_get_by_index(type, index)) {
1134 return;
1135 }
1136
1137 opts = drive_add(type, index, NULL, optstr);
1138 if (snapshot) {
1139 drive_enable_snapshot(opts, NULL);
1140 }
1141 if (!drive_init(opts, type)) {
1142 exit(1);
1143 }
1144 }
1145
1146 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1147 {
1148 boot_set_handler = func;
1149 boot_set_opaque = opaque;
1150 }
1151
1152 int qemu_boot_set(const char *boot_order)
1153 {
1154 if (!boot_set_handler) {
1155 return -EINVAL;
1156 }
1157 return boot_set_handler(boot_set_opaque, boot_order);
1158 }
1159
1160 static void validate_bootdevices(const char *devices)
1161 {
1162 /* We just do some generic consistency checks */
1163 const char *p;
1164 int bitmap = 0;
1165
1166 for (p = devices; *p != '\0'; p++) {
1167 /* Allowed boot devices are:
1168 * a-b: floppy disk drives
1169 * c-f: IDE disk drives
1170 * g-m: machine implementation dependent drives
1171 * n-p: network devices
1172 * It's up to each machine implementation to check if the given boot
1173 * devices match the actual hardware implementation and firmware
1174 * features.
1175 */
1176 if (*p < 'a' || *p > 'p') {
1177 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1178 exit(1);
1179 }
1180 if (bitmap & (1 << (*p - 'a'))) {
1181 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1182 exit(1);
1183 }
1184 bitmap |= 1 << (*p - 'a');
1185 }
1186 }
1187
1188 static void restore_boot_order(void *opaque)
1189 {
1190 char *normal_boot_order = opaque;
1191 static int first = 1;
1192
1193 /* Restore boot order and remove ourselves after the first boot */
1194 if (first) {
1195 first = 0;
1196 return;
1197 }
1198
1199 qemu_boot_set(normal_boot_order);
1200
1201 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1202 g_free(normal_boot_order);
1203 }
1204
1205 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1206 const char *suffix)
1207 {
1208 FWBootEntry *node, *i;
1209
1210 if (bootindex < 0) {
1211 return;
1212 }
1213
1214 assert(dev != NULL || suffix != NULL);
1215
1216 node = g_malloc0(sizeof(FWBootEntry));
1217 node->bootindex = bootindex;
1218 node->suffix = g_strdup(suffix);
1219 node->dev = dev;
1220
1221 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1222 if (i->bootindex == bootindex) {
1223 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1224 exit(1);
1225 } else if (i->bootindex < bootindex) {
1226 continue;
1227 }
1228 QTAILQ_INSERT_BEFORE(i, node, link);
1229 return;
1230 }
1231 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1232 }
1233
1234 DeviceState *get_boot_device(uint32_t position)
1235 {
1236 uint32_t counter = 0;
1237 FWBootEntry *i = NULL;
1238 DeviceState *res = NULL;
1239
1240 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1241 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1242 if (counter == position) {
1243 res = i->dev;
1244 break;
1245 }
1246 counter++;
1247 }
1248 }
1249 return res;
1250 }
1251
1252 /*
1253 * This function returns null terminated string that consist of new line
1254 * separated device paths.
1255 *
1256 * memory pointed by "size" is assigned total length of the array in bytes
1257 *
1258 */
1259 char *get_boot_devices_list(size_t *size)
1260 {
1261 FWBootEntry *i;
1262 size_t total = 0;
1263 char *list = NULL;
1264
1265 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1266 char *devpath = NULL, *bootpath;
1267 size_t len;
1268
1269 if (i->dev) {
1270 devpath = qdev_get_fw_dev_path(i->dev);
1271 assert(devpath);
1272 }
1273
1274 if (i->suffix && devpath) {
1275 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1276
1277 bootpath = g_malloc(bootpathlen);
1278 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1279 g_free(devpath);
1280 } else if (devpath) {
1281 bootpath = devpath;
1282 } else {
1283 assert(i->suffix);
1284 bootpath = g_strdup(i->suffix);
1285 }
1286
1287 if (total) {
1288 list[total-1] = '\n';
1289 }
1290 len = strlen(bootpath) + 1;
1291 list = g_realloc(list, total + len);
1292 memcpy(&list[total], bootpath, len);
1293 total += len;
1294 g_free(bootpath);
1295 }
1296
1297 *size = total;
1298
1299 if (boot_strict && *size > 0) {
1300 list[total-1] = '\n';
1301 list = g_realloc(list, total + 5);
1302 memcpy(&list[total], "HALT", 5);
1303 *size = total + 5;
1304 }
1305 return list;
1306 }
1307
1308 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1309 {
1310 char *endptr;
1311 unsigned long long value, endvalue;
1312
1313 /* Empty CPU range strings will be considered valid, they will simply
1314 * not set any bit in the CPU bitmap.
1315 */
1316 if (!*cpus) {
1317 return;
1318 }
1319
1320 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1321 goto error;
1322 }
1323 if (*endptr == '-') {
1324 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1325 goto error;
1326 }
1327 } else if (*endptr == '\0') {
1328 endvalue = value;
1329 } else {
1330 goto error;
1331 }
1332
1333 if (endvalue >= MAX_CPUMASK_BITS) {
1334 endvalue = MAX_CPUMASK_BITS - 1;
1335 fprintf(stderr,
1336 "qemu: NUMA: A max of %d VCPUs are supported\n",
1337 MAX_CPUMASK_BITS);
1338 }
1339
1340 if (endvalue < value) {
1341 goto error;
1342 }
1343
1344 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1345 return;
1346
1347 error:
1348 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1349 exit(1);
1350 }
1351
1352 static void numa_add(const char *optarg)
1353 {
1354 char option[128];
1355 char *endptr;
1356 unsigned long long nodenr;
1357
1358 optarg = get_opt_name(option, 128, optarg, ',');
1359 if (*optarg == ',') {
1360 optarg++;
1361 }
1362 if (!strcmp(option, "node")) {
1363
1364 if (nb_numa_nodes >= MAX_NODES) {
1365 fprintf(stderr, "qemu: too many NUMA nodes\n");
1366 exit(1);
1367 }
1368
1369 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1370 nodenr = nb_numa_nodes;
1371 } else {
1372 if (parse_uint_full(option, &nodenr, 10) < 0) {
1373 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1374 exit(1);
1375 }
1376 }
1377
1378 if (nodenr >= MAX_NODES) {
1379 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1380 exit(1);
1381 }
1382
1383 if (get_param_value(option, 128, "mem", optarg) == 0) {
1384 node_mem[nodenr] = 0;
1385 } else {
1386 int64_t sval;
1387 sval = strtosz(option, &endptr);
1388 if (sval < 0 || *endptr) {
1389 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1390 exit(1);
1391 }
1392 node_mem[nodenr] = sval;
1393 }
1394 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1395 numa_node_parse_cpus(nodenr, option);
1396 }
1397 nb_numa_nodes++;
1398 } else {
1399 fprintf(stderr, "Invalid -numa option: %s\n", option);
1400 exit(1);
1401 }
1402 }
1403
1404 static QemuOptsList qemu_smp_opts = {
1405 .name = "smp-opts",
1406 .implied_opt_name = "cpus",
1407 .merge_lists = true,
1408 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1409 .desc = {
1410 {
1411 .name = "cpus",
1412 .type = QEMU_OPT_NUMBER,
1413 }, {
1414 .name = "sockets",
1415 .type = QEMU_OPT_NUMBER,
1416 }, {
1417 .name = "cores",
1418 .type = QEMU_OPT_NUMBER,
1419 }, {
1420 .name = "threads",
1421 .type = QEMU_OPT_NUMBER,
1422 }, {
1423 .name = "maxcpus",
1424 .type = QEMU_OPT_NUMBER,
1425 },
1426 { /*End of list */ }
1427 },
1428 };
1429
1430 static void smp_parse(QemuOpts *opts)
1431 {
1432 if (opts) {
1433
1434 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1435 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1436 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1437 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1438
1439 /* compute missing values, prefer sockets over cores over threads */
1440 if (cpus == 0 || sockets == 0) {
1441 sockets = sockets > 0 ? sockets : 1;
1442 cores = cores > 0 ? cores : 1;
1443 threads = threads > 0 ? threads : 1;
1444 if (cpus == 0) {
1445 cpus = cores * threads * sockets;
1446 }
1447 } else {
1448 if (cores == 0) {
1449 threads = threads > 0 ? threads : 1;
1450 cores = cpus / (sockets * threads);
1451 } else {
1452 threads = cpus / (cores * sockets);
1453 }
1454 }
1455
1456 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1457
1458 smp_cpus = cpus;
1459 smp_cores = cores > 0 ? cores : 1;
1460 smp_threads = threads > 0 ? threads : 1;
1461
1462 }
1463
1464 if (max_cpus == 0) {
1465 max_cpus = smp_cpus;
1466 }
1467
1468 if (max_cpus > 255) {
1469 fprintf(stderr, "Unsupported number of maxcpus\n");
1470 exit(1);
1471 }
1472 if (max_cpus < smp_cpus) {
1473 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1474 exit(1);
1475 }
1476
1477 }
1478
1479 static void configure_realtime(QemuOpts *opts)
1480 {
1481 bool enable_mlock;
1482
1483 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1484
1485 if (enable_mlock) {
1486 if (os_mlock() < 0) {
1487 fprintf(stderr, "qemu: locking memory failed\n");
1488 exit(1);
1489 }
1490 }
1491 }
1492
1493 /***********************************************************/
1494 /* USB devices */
1495
1496 static int usb_device_add(const char *devname)
1497 {
1498 const char *p;
1499 USBDevice *dev = NULL;
1500
1501 if (!usb_enabled(false)) {
1502 return -1;
1503 }
1504
1505 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1506 dev = usbdevice_create(devname);
1507 if (dev)
1508 goto done;
1509
1510 /* the other ones */
1511 #ifndef CONFIG_LINUX
1512 /* only the linux version is qdev-ified, usb-bsd still needs this */
1513 if (strstart(devname, "host:", &p)) {
1514 dev = usb_host_device_open(usb_bus_find(-1), p);
1515 } else
1516 #endif
1517 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1518 dev = usb_bt_init(usb_bus_find(-1),
1519 devname[2] ? hci_init(p)
1520 : bt_new_hci(qemu_find_bt_vlan(0)));
1521 } else {
1522 return -1;
1523 }
1524 if (!dev)
1525 return -1;
1526
1527 done:
1528 return 0;
1529 }
1530
1531 static int usb_device_del(const char *devname)
1532 {
1533 int bus_num, addr;
1534 const char *p;
1535
1536 if (strstart(devname, "host:", &p)) {
1537 return -1;
1538 }
1539
1540 if (!usb_enabled(false)) {
1541 return -1;
1542 }
1543
1544 p = strchr(devname, '.');
1545 if (!p)
1546 return -1;
1547 bus_num = strtoul(devname, NULL, 0);
1548 addr = strtoul(p + 1, NULL, 0);
1549
1550 return usb_device_delete_addr(bus_num, addr);
1551 }
1552
1553 static int usb_parse(const char *cmdline)
1554 {
1555 int r;
1556 r = usb_device_add(cmdline);
1557 if (r < 0) {
1558 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1559 }
1560 return r;
1561 }
1562
1563 void do_usb_add(Monitor *mon, const QDict *qdict)
1564 {
1565 const char *devname = qdict_get_str(qdict, "devname");
1566 if (usb_device_add(devname) < 0) {
1567 error_report("could not add USB device '%s'", devname);
1568 }
1569 }
1570
1571 void do_usb_del(Monitor *mon, const QDict *qdict)
1572 {
1573 const char *devname = qdict_get_str(qdict, "devname");
1574 if (usb_device_del(devname) < 0) {
1575 error_report("could not delete USB device '%s'", devname);
1576 }
1577 }
1578
1579 /***********************************************************/
1580 /* PCMCIA/Cardbus */
1581
1582 static struct pcmcia_socket_entry_s {
1583 PCMCIASocket *socket;
1584 struct pcmcia_socket_entry_s *next;
1585 } *pcmcia_sockets = 0;
1586
1587 void pcmcia_socket_register(PCMCIASocket *socket)
1588 {
1589 struct pcmcia_socket_entry_s *entry;
1590
1591 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1592 entry->socket = socket;
1593 entry->next = pcmcia_sockets;
1594 pcmcia_sockets = entry;
1595 }
1596
1597 void pcmcia_socket_unregister(PCMCIASocket *socket)
1598 {
1599 struct pcmcia_socket_entry_s *entry, **ptr;
1600
1601 ptr = &pcmcia_sockets;
1602 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1603 if (entry->socket == socket) {
1604 *ptr = entry->next;
1605 g_free(entry);
1606 }
1607 }
1608
1609 void pcmcia_info(Monitor *mon, const QDict *qdict)
1610 {
1611 struct pcmcia_socket_entry_s *iter;
1612
1613 if (!pcmcia_sockets)
1614 monitor_printf(mon, "No PCMCIA sockets\n");
1615
1616 for (iter = pcmcia_sockets; iter; iter = iter->next)
1617 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1618 iter->socket->attached ? iter->socket->card_string :
1619 "Empty");
1620 }
1621
1622 /***********************************************************/
1623 /* machine registration */
1624
1625 static QEMUMachine *first_machine = NULL;
1626 QEMUMachine *current_machine = NULL;
1627
1628 int qemu_register_machine(QEMUMachine *m)
1629 {
1630 QEMUMachine **pm;
1631 pm = &first_machine;
1632 while (*pm != NULL)
1633 pm = &(*pm)->next;
1634 m->next = NULL;
1635 *pm = m;
1636 return 0;
1637 }
1638
1639 static QEMUMachine *find_machine(const char *name)
1640 {
1641 QEMUMachine *m;
1642
1643 for(m = first_machine; m != NULL; m = m->next) {
1644 if (!strcmp(m->name, name))
1645 return m;
1646 if (m->alias && !strcmp(m->alias, name))
1647 return m;
1648 }
1649 return NULL;
1650 }
1651
1652 QEMUMachine *find_default_machine(void)
1653 {
1654 QEMUMachine *m;
1655
1656 for(m = first_machine; m != NULL; m = m->next) {
1657 if (m->is_default) {
1658 return m;
1659 }
1660 }
1661 return NULL;
1662 }
1663
1664 MachineInfoList *qmp_query_machines(Error **errp)
1665 {
1666 MachineInfoList *mach_list = NULL;
1667 QEMUMachine *m;
1668
1669 for (m = first_machine; m; m = m->next) {
1670 MachineInfoList *entry;
1671 MachineInfo *info;
1672
1673 info = g_malloc0(sizeof(*info));
1674 if (m->is_default) {
1675 info->has_is_default = true;
1676 info->is_default = true;
1677 }
1678
1679 if (m->alias) {
1680 info->has_alias = true;
1681 info->alias = g_strdup(m->alias);
1682 }
1683
1684 info->name = g_strdup(m->name);
1685 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1686
1687 entry = g_malloc0(sizeof(*entry));
1688 entry->value = info;
1689 entry->next = mach_list;
1690 mach_list = entry;
1691 }
1692
1693 return mach_list;
1694 }
1695
1696 /***********************************************************/
1697 /* main execution loop */
1698
1699 struct vm_change_state_entry {
1700 VMChangeStateHandler *cb;
1701 void *opaque;
1702 QLIST_ENTRY (vm_change_state_entry) entries;
1703 };
1704
1705 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1706
1707 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1708 void *opaque)
1709 {
1710 VMChangeStateEntry *e;
1711
1712 e = g_malloc0(sizeof (*e));
1713
1714 e->cb = cb;
1715 e->opaque = opaque;
1716 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1717 return e;
1718 }
1719
1720 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1721 {
1722 QLIST_REMOVE (e, entries);
1723 g_free (e);
1724 }
1725
1726 void vm_state_notify(int running, RunState state)
1727 {
1728 VMChangeStateEntry *e;
1729
1730 trace_vm_state_notify(running, state);
1731
1732 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1733 e->cb(e->opaque, running, state);
1734 }
1735 }
1736
1737 void vm_start(void)
1738 {
1739 if (!runstate_is_running()) {
1740 cpu_enable_ticks();
1741 runstate_set(RUN_STATE_RUNNING);
1742 vm_state_notify(1, RUN_STATE_RUNNING);
1743 resume_all_vcpus();
1744 monitor_protocol_event(QEVENT_RESUME, NULL);
1745 }
1746 }
1747
1748 /* reset/shutdown handler */
1749
1750 typedef struct QEMUResetEntry {
1751 QTAILQ_ENTRY(QEMUResetEntry) entry;
1752 QEMUResetHandler *func;
1753 void *opaque;
1754 } QEMUResetEntry;
1755
1756 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1757 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1758 static int reset_requested;
1759 static int shutdown_requested, shutdown_signal = -1;
1760 static pid_t shutdown_pid;
1761 static int powerdown_requested;
1762 static int debug_requested;
1763 static int suspend_requested;
1764 static int wakeup_requested;
1765 static NotifierList powerdown_notifiers =
1766 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1767 static NotifierList suspend_notifiers =
1768 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1769 static NotifierList wakeup_notifiers =
1770 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1771 static uint32_t wakeup_reason_mask = ~0;
1772 static RunState vmstop_requested = RUN_STATE_MAX;
1773
1774 int qemu_shutdown_requested_get(void)
1775 {
1776 return shutdown_requested;
1777 }
1778
1779 int qemu_reset_requested_get(void)
1780 {
1781 return reset_requested;
1782 }
1783
1784 static int qemu_shutdown_requested(void)
1785 {
1786 int r = shutdown_requested;
1787 shutdown_requested = 0;
1788 return r;
1789 }
1790
1791 static void qemu_kill_report(void)
1792 {
1793 if (!qtest_enabled() && shutdown_signal != -1) {
1794 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1795 if (shutdown_pid == 0) {
1796 /* This happens for eg ^C at the terminal, so it's worth
1797 * avoiding printing an odd message in that case.
1798 */
1799 fputc('\n', stderr);
1800 } else {
1801 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1802 }
1803 shutdown_signal = -1;
1804 }
1805 }
1806
1807 static int qemu_reset_requested(void)
1808 {
1809 int r = reset_requested;
1810 reset_requested = 0;
1811 return r;
1812 }
1813
1814 static int qemu_suspend_requested(void)
1815 {
1816 int r = suspend_requested;
1817 suspend_requested = 0;
1818 return r;
1819 }
1820
1821 static int qemu_wakeup_requested(void)
1822 {
1823 int r = wakeup_requested;
1824 wakeup_requested = 0;
1825 return r;
1826 }
1827
1828 static int qemu_powerdown_requested(void)
1829 {
1830 int r = powerdown_requested;
1831 powerdown_requested = 0;
1832 return r;
1833 }
1834
1835 static int qemu_debug_requested(void)
1836 {
1837 int r = debug_requested;
1838 debug_requested = 0;
1839 return r;
1840 }
1841
1842 /* We use RUN_STATE_MAX but any invalid value will do */
1843 static bool qemu_vmstop_requested(RunState *r)
1844 {
1845 if (vmstop_requested < RUN_STATE_MAX) {
1846 *r = vmstop_requested;
1847 vmstop_requested = RUN_STATE_MAX;
1848 return true;
1849 }
1850
1851 return false;
1852 }
1853
1854 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1855 {
1856 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1857
1858 re->func = func;
1859 re->opaque = opaque;
1860 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1861 }
1862
1863 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1864 {
1865 QEMUResetEntry *re;
1866
1867 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1868 if (re->func == func && re->opaque == opaque) {
1869 QTAILQ_REMOVE(&reset_handlers, re, entry);
1870 g_free(re);
1871 return;
1872 }
1873 }
1874 }
1875
1876 void qemu_devices_reset(void)
1877 {
1878 QEMUResetEntry *re, *nre;
1879
1880 /* reset all devices */
1881 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1882 re->func(re->opaque);
1883 }
1884 }
1885
1886 void qemu_system_reset(bool report)
1887 {
1888 if (current_machine && current_machine->reset) {
1889 current_machine->reset();
1890 } else {
1891 qemu_devices_reset();
1892 }
1893 if (report) {
1894 monitor_protocol_event(QEVENT_RESET, NULL);
1895 }
1896 cpu_synchronize_all_post_reset();
1897 }
1898
1899 void qemu_system_reset_request(void)
1900 {
1901 if (no_reboot) {
1902 shutdown_requested = 1;
1903 } else {
1904 reset_requested = 1;
1905 }
1906 cpu_stop_current();
1907 qemu_notify_event();
1908 }
1909
1910 static void qemu_system_suspend(void)
1911 {
1912 pause_all_vcpus();
1913 notifier_list_notify(&suspend_notifiers, NULL);
1914 runstate_set(RUN_STATE_SUSPENDED);
1915 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1916 }
1917
1918 void qemu_system_suspend_request(void)
1919 {
1920 if (runstate_check(RUN_STATE_SUSPENDED)) {
1921 return;
1922 }
1923 suspend_requested = 1;
1924 cpu_stop_current();
1925 qemu_notify_event();
1926 }
1927
1928 void qemu_register_suspend_notifier(Notifier *notifier)
1929 {
1930 notifier_list_add(&suspend_notifiers, notifier);
1931 }
1932
1933 void qemu_system_wakeup_request(WakeupReason reason)
1934 {
1935 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1936 return;
1937 }
1938 if (!(wakeup_reason_mask & (1 << reason))) {
1939 return;
1940 }
1941 runstate_set(RUN_STATE_RUNNING);
1942 notifier_list_notify(&wakeup_notifiers, &reason);
1943 wakeup_requested = 1;
1944 qemu_notify_event();
1945 }
1946
1947 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1948 {
1949 if (enabled) {
1950 wakeup_reason_mask |= (1 << reason);
1951 } else {
1952 wakeup_reason_mask &= ~(1 << reason);
1953 }
1954 }
1955
1956 void qemu_register_wakeup_notifier(Notifier *notifier)
1957 {
1958 notifier_list_add(&wakeup_notifiers, notifier);
1959 }
1960
1961 void qemu_system_killed(int signal, pid_t pid)
1962 {
1963 shutdown_signal = signal;
1964 shutdown_pid = pid;
1965 no_shutdown = 0;
1966 qemu_system_shutdown_request();
1967 }
1968
1969 void qemu_system_shutdown_request(void)
1970 {
1971 shutdown_requested = 1;
1972 qemu_notify_event();
1973 }
1974
1975 static void qemu_system_powerdown(void)
1976 {
1977 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1978 notifier_list_notify(&powerdown_notifiers, NULL);
1979 }
1980
1981 void qemu_system_powerdown_request(void)
1982 {
1983 powerdown_requested = 1;
1984 qemu_notify_event();
1985 }
1986
1987 void qemu_register_powerdown_notifier(Notifier *notifier)
1988 {
1989 notifier_list_add(&powerdown_notifiers, notifier);
1990 }
1991
1992 void qemu_system_debug_request(void)
1993 {
1994 debug_requested = 1;
1995 qemu_notify_event();
1996 }
1997
1998 void qemu_system_vmstop_request(RunState state)
1999 {
2000 vmstop_requested = state;
2001 qemu_notify_event();
2002 }
2003
2004 static bool main_loop_should_exit(void)
2005 {
2006 RunState r;
2007 if (qemu_debug_requested()) {
2008 vm_stop(RUN_STATE_DEBUG);
2009 }
2010 if (qemu_suspend_requested()) {
2011 qemu_system_suspend();
2012 }
2013 if (qemu_shutdown_requested()) {
2014 qemu_kill_report();
2015 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2016 if (no_shutdown) {
2017 vm_stop(RUN_STATE_SHUTDOWN);
2018 } else {
2019 return true;
2020 }
2021 }
2022 if (qemu_reset_requested()) {
2023 pause_all_vcpus();
2024 cpu_synchronize_all_states();
2025 qemu_system_reset(VMRESET_REPORT);
2026 resume_all_vcpus();
2027 if (runstate_needs_reset()) {
2028 runstate_set(RUN_STATE_PAUSED);
2029 }
2030 }
2031 if (qemu_wakeup_requested()) {
2032 pause_all_vcpus();
2033 cpu_synchronize_all_states();
2034 qemu_system_reset(VMRESET_SILENT);
2035 resume_all_vcpus();
2036 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2037 }
2038 if (qemu_powerdown_requested()) {
2039 qemu_system_powerdown();
2040 }
2041 if (qemu_vmstop_requested(&r)) {
2042 vm_stop(r);
2043 }
2044 return false;
2045 }
2046
2047 static void main_loop(void)
2048 {
2049 bool nonblocking;
2050 int last_io = 0;
2051 #ifdef CONFIG_PROFILER
2052 int64_t ti;
2053 #endif
2054 do {
2055 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2056 #ifdef CONFIG_PROFILER
2057 ti = profile_getclock();
2058 #endif
2059 last_io = main_loop_wait(nonblocking);
2060 #ifdef CONFIG_PROFILER
2061 dev_time += profile_getclock() - ti;
2062 #endif
2063 } while (!main_loop_should_exit());
2064 }
2065
2066 static void version(void)
2067 {
2068 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2069 }
2070
2071 static void help(int exitcode)
2072 {
2073 version();
2074 printf("usage: %s [options] [disk_image]\n\n"
2075 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2076 error_get_progname());
2077
2078 #define QEMU_OPTIONS_GENERATE_HELP
2079 #include "qemu-options-wrapper.h"
2080
2081 printf("\nDuring emulation, the following keys are useful:\n"
2082 "ctrl-alt-f toggle full screen\n"
2083 "ctrl-alt-n switch to virtual console 'n'\n"
2084 "ctrl-alt toggle mouse and keyboard grab\n"
2085 "\n"
2086 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2087
2088 exit(exitcode);
2089 }
2090
2091 #define HAS_ARG 0x0001
2092
2093 typedef struct QEMUOption {
2094 const char *name;
2095 int flags;
2096 int index;
2097 uint32_t arch_mask;
2098 } QEMUOption;
2099
2100 static const QEMUOption qemu_options[] = {
2101 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2102 #define QEMU_OPTIONS_GENERATE_OPTIONS
2103 #include "qemu-options-wrapper.h"
2104 { NULL },
2105 };
2106
2107 static bool vga_available(void)
2108 {
2109 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2110 }
2111
2112 static bool cirrus_vga_available(void)
2113 {
2114 return object_class_by_name("cirrus-vga")
2115 || object_class_by_name("isa-cirrus-vga");
2116 }
2117
2118 static bool vmware_vga_available(void)
2119 {
2120 return object_class_by_name("vmware-svga");
2121 }
2122
2123 static bool qxl_vga_available(void)
2124 {
2125 return object_class_by_name("qxl-vga");
2126 }
2127
2128 static void select_vgahw (const char *p)
2129 {
2130 const char *opts;
2131
2132 vga_interface_type = VGA_NONE;
2133 if (strstart(p, "std", &opts)) {
2134 if (vga_available()) {
2135 vga_interface_type = VGA_STD;
2136 } else {
2137 fprintf(stderr, "Error: standard VGA not available\n");
2138 exit(0);
2139 }
2140 } else if (strstart(p, "cirrus", &opts)) {
2141 if (cirrus_vga_available()) {
2142 vga_interface_type = VGA_CIRRUS;
2143 } else {
2144 fprintf(stderr, "Error: Cirrus VGA not available\n");
2145 exit(0);
2146 }
2147 } else if (strstart(p, "vmware", &opts)) {
2148 if (vmware_vga_available()) {
2149 vga_interface_type = VGA_VMWARE;
2150 } else {
2151 fprintf(stderr, "Error: VMWare SVGA not available\n");
2152 exit(0);
2153 }
2154 } else if (strstart(p, "xenfb", &opts)) {
2155 vga_interface_type = VGA_XENFB;
2156 } else if (strstart(p, "qxl", &opts)) {
2157 if (qxl_vga_available()) {
2158 vga_interface_type = VGA_QXL;
2159 } else {
2160 fprintf(stderr, "Error: QXL VGA not available\n");
2161 exit(0);
2162 }
2163 } else if (!strstart(p, "none", &opts)) {
2164 invalid_vga:
2165 fprintf(stderr, "Unknown vga type: %s\n", p);
2166 exit(1);
2167 }
2168 while (*opts) {
2169 const char *nextopt;
2170
2171 if (strstart(opts, ",retrace=", &nextopt)) {
2172 opts = nextopt;
2173 if (strstart(opts, "dumb", &nextopt))
2174 vga_retrace_method = VGA_RETRACE_DUMB;
2175 else if (strstart(opts, "precise", &nextopt))
2176 vga_retrace_method = VGA_RETRACE_PRECISE;
2177 else goto invalid_vga;
2178 } else goto invalid_vga;
2179 opts = nextopt;
2180 }
2181 }
2182
2183 static DisplayType select_display(const char *p)
2184 {
2185 const char *opts;
2186 DisplayType display = DT_DEFAULT;
2187
2188 if (strstart(p, "sdl", &opts)) {
2189 #ifdef CONFIG_SDL
2190 display = DT_SDL;
2191 while (*opts) {
2192 const char *nextopt;
2193
2194 if (strstart(opts, ",frame=", &nextopt)) {
2195 opts = nextopt;
2196 if (strstart(opts, "on", &nextopt)) {
2197 no_frame = 0;
2198 } else if (strstart(opts, "off", &nextopt)) {
2199 no_frame = 1;
2200 } else {
2201 goto invalid_sdl_args;
2202 }
2203 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2204 opts = nextopt;
2205 if (strstart(opts, "on", &nextopt)) {
2206 alt_grab = 1;
2207 } else if (strstart(opts, "off", &nextopt)) {
2208 alt_grab = 0;
2209 } else {
2210 goto invalid_sdl_args;
2211 }
2212 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2213 opts = nextopt;
2214 if (strstart(opts, "on", &nextopt)) {
2215 ctrl_grab = 1;
2216 } else if (strstart(opts, "off", &nextopt)) {
2217 ctrl_grab = 0;
2218 } else {
2219 goto invalid_sdl_args;
2220 }
2221 } else if (strstart(opts, ",window_close=", &nextopt)) {
2222 opts = nextopt;
2223 if (strstart(opts, "on", &nextopt)) {
2224 no_quit = 0;
2225 } else if (strstart(opts, "off", &nextopt)) {
2226 no_quit = 1;
2227 } else {
2228 goto invalid_sdl_args;
2229 }
2230 } else {
2231 invalid_sdl_args:
2232 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2233 exit(1);
2234 }
2235 opts = nextopt;
2236 }
2237 #else
2238 fprintf(stderr, "SDL support is disabled\n");
2239 exit(1);
2240 #endif
2241 } else if (strstart(p, "vnc", &opts)) {
2242 #ifdef CONFIG_VNC
2243 display_remote++;
2244
2245 if (*opts) {
2246 const char *nextopt;
2247
2248 if (strstart(opts, "=", &nextopt)) {
2249 vnc_display = nextopt;
2250 }
2251 }
2252 if (!vnc_display) {
2253 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2254 exit(1);
2255 }
2256 #else
2257 fprintf(stderr, "VNC support is disabled\n");
2258 exit(1);
2259 #endif
2260 } else if (strstart(p, "curses", &opts)) {
2261 #ifdef CONFIG_CURSES
2262 display = DT_CURSES;
2263 #else
2264 fprintf(stderr, "Curses support is disabled\n");
2265 exit(1);
2266 #endif
2267 } else if (strstart(p, "gtk", &opts)) {
2268 #ifdef CONFIG_GTK
2269 display = DT_GTK;
2270 #else
2271 fprintf(stderr, "GTK support is disabled\n");
2272 exit(1);
2273 #endif
2274 } else if (strstart(p, "none", &opts)) {
2275 display = DT_NONE;
2276 } else {
2277 fprintf(stderr, "Unknown display type: %s\n", p);
2278 exit(1);
2279 }
2280
2281 return display;
2282 }
2283
2284 static int balloon_parse(const char *arg)
2285 {
2286 QemuOpts *opts;
2287
2288 if (strcmp(arg, "none") == 0) {
2289 return 0;
2290 }
2291
2292 if (!strncmp(arg, "virtio", 6)) {
2293 if (arg[6] == ',') {
2294 /* have params -> parse them */
2295 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2296 if (!opts)
2297 return -1;
2298 } else {
2299 /* create empty opts */
2300 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2301 }
2302 qemu_opt_set(opts, "driver", "virtio-balloon");
2303 return 0;
2304 }
2305
2306 return -1;
2307 }
2308
2309 char *qemu_find_file(int type, const char *name)
2310 {
2311 int i;
2312 const char *subdir;
2313 char *buf;
2314
2315 /* Try the name as a straight path first */
2316 if (access(name, R_OK) == 0) {
2317 trace_load_file(name, name);
2318 return g_strdup(name);
2319 }
2320
2321 switch (type) {
2322 case QEMU_FILE_TYPE_BIOS:
2323 subdir = "";
2324 break;
2325 case QEMU_FILE_TYPE_KEYMAP:
2326 subdir = "keymaps/";
2327 break;
2328 default:
2329 abort();
2330 }
2331
2332 for (i = 0; i < data_dir_idx; i++) {
2333 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2334 if (access(buf, R_OK) == 0) {
2335 trace_load_file(name, buf);
2336 return buf;
2337 }
2338 g_free(buf);
2339 }
2340 return NULL;
2341 }
2342
2343 static int device_help_func(QemuOpts *opts, void *opaque)
2344 {
2345 return qdev_device_help(opts);
2346 }
2347
2348 static int device_init_func(QemuOpts *opts, void *opaque)
2349 {
2350 DeviceState *dev;
2351
2352 dev = qdev_device_add(opts);
2353 if (!dev)
2354 return -1;
2355 object_unref(OBJECT(dev));
2356 return 0;
2357 }
2358
2359 static int chardev_init_func(QemuOpts *opts, void *opaque)
2360 {
2361 Error *local_err = NULL;
2362
2363 qemu_chr_new_from_opts(opts, NULL, &local_err);
2364 if (error_is_set(&local_err)) {
2365 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2366 error_free(local_err);
2367 return -1;
2368 }
2369 return 0;
2370 }
2371
2372 #ifdef CONFIG_VIRTFS
2373 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2374 {
2375 int ret;
2376 ret = qemu_fsdev_add(opts);
2377
2378 return ret;
2379 }
2380 #endif
2381
2382 static int mon_init_func(QemuOpts *opts, void *opaque)
2383 {
2384 CharDriverState *chr;
2385 const char *chardev;
2386 const char *mode;
2387 int flags;
2388
2389 mode = qemu_opt_get(opts, "mode");
2390 if (mode == NULL) {
2391 mode = "readline";
2392 }
2393 if (strcmp(mode, "readline") == 0) {
2394 flags = MONITOR_USE_READLINE;
2395 } else if (strcmp(mode, "control") == 0) {
2396 flags = MONITOR_USE_CONTROL;
2397 } else {
2398 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2399 exit(1);
2400 }
2401
2402 if (qemu_opt_get_bool(opts, "pretty", 0))
2403 flags |= MONITOR_USE_PRETTY;
2404
2405 if (qemu_opt_get_bool(opts, "default", 0))
2406 flags |= MONITOR_IS_DEFAULT;
2407
2408 chardev = qemu_opt_get(opts, "chardev");
2409 chr = qemu_chr_find(chardev);
2410 if (chr == NULL) {
2411 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2412 exit(1);
2413 }
2414
2415 qemu_chr_fe_claim_no_fail(chr);
2416 monitor_init(chr, flags);
2417 return 0;
2418 }
2419
2420 static void monitor_parse(const char *optarg, const char *mode)
2421 {
2422 static int monitor_device_index = 0;
2423 QemuOpts *opts;
2424 const char *p;
2425 char label[32];
2426 int def = 0;
2427
2428 if (strstart(optarg, "chardev:", &p)) {
2429 snprintf(label, sizeof(label), "%s", p);
2430 } else {
2431 snprintf(label, sizeof(label), "compat_monitor%d",
2432 monitor_device_index);
2433 if (monitor_device_index == 0) {
2434 def = 1;
2435 }
2436 opts = qemu_chr_parse_compat(label, optarg);
2437 if (!opts) {
2438 fprintf(stderr, "parse error: %s\n", optarg);
2439 exit(1);
2440 }
2441 }
2442
2443 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2444 if (!opts) {
2445 fprintf(stderr, "duplicate chardev: %s\n", label);
2446 exit(1);
2447 }
2448 qemu_opt_set(opts, "mode", mode);
2449 qemu_opt_set(opts, "chardev", label);
2450 if (def)
2451 qemu_opt_set(opts, "default", "on");
2452 monitor_device_index++;
2453 }
2454
2455 struct device_config {
2456 enum {
2457 DEV_USB, /* -usbdevice */
2458 DEV_BT, /* -bt */
2459 DEV_SERIAL, /* -serial */
2460 DEV_PARALLEL, /* -parallel */
2461 DEV_VIRTCON, /* -virtioconsole */
2462 DEV_DEBUGCON, /* -debugcon */
2463 DEV_GDB, /* -gdb, -s */
2464 DEV_SCLP, /* s390 sclp */
2465 } type;
2466 const char *cmdline;
2467 Location loc;
2468 QTAILQ_ENTRY(device_config) next;
2469 };
2470
2471 static QTAILQ_HEAD(, device_config) device_configs =
2472 QTAILQ_HEAD_INITIALIZER(device_configs);
2473
2474 static void add_device_config(int type, const char *cmdline)
2475 {
2476 struct device_config *conf;
2477
2478 conf = g_malloc0(sizeof(*conf));
2479 conf->type = type;
2480 conf->cmdline = cmdline;
2481 loc_save(&conf->loc);
2482 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2483 }
2484
2485 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2486 {
2487 struct device_config *conf;
2488 int rc;
2489
2490 QTAILQ_FOREACH(conf, &device_configs, next) {
2491 if (conf->type != type)
2492 continue;
2493 loc_push_restore(&conf->loc);
2494 rc = func(conf->cmdline);
2495 loc_pop(&conf->loc);
2496 if (0 != rc)
2497 return rc;
2498 }
2499 return 0;
2500 }
2501
2502 static int serial_parse(const char *devname)
2503 {
2504 static int index = 0;
2505 char label[32];
2506
2507 if (strcmp(devname, "none") == 0)
2508 return 0;
2509 if (index == MAX_SERIAL_PORTS) {
2510 fprintf(stderr, "qemu: too many serial ports\n");
2511 exit(1);
2512 }
2513 snprintf(label, sizeof(label), "serial%d", index);
2514 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2515 if (!serial_hds[index]) {
2516 fprintf(stderr, "qemu: could not connect serial device"
2517 " to character backend '%s'\n", devname);
2518 return -1;
2519 }
2520 index++;
2521 return 0;
2522 }
2523
2524 static int parallel_parse(const char *devname)
2525 {
2526 static int index = 0;
2527 char label[32];
2528
2529 if (strcmp(devname, "none") == 0)
2530 return 0;
2531 if (index == MAX_PARALLEL_PORTS) {
2532 fprintf(stderr, "qemu: too many parallel ports\n");
2533 exit(1);
2534 }
2535 snprintf(label, sizeof(label), "parallel%d", index);
2536 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2537 if (!parallel_hds[index]) {
2538 fprintf(stderr, "qemu: could not connect parallel device"
2539 " to character backend '%s'\n", devname);
2540 return -1;
2541 }
2542 index++;
2543 return 0;
2544 }
2545
2546 static int virtcon_parse(const char *devname)
2547 {
2548 QemuOptsList *device = qemu_find_opts("device");
2549 static int index = 0;
2550 char label[32];
2551 QemuOpts *bus_opts, *dev_opts;
2552
2553 if (strcmp(devname, "none") == 0)
2554 return 0;
2555 if (index == MAX_VIRTIO_CONSOLES) {
2556 fprintf(stderr, "qemu: too many virtio consoles\n");
2557 exit(1);
2558 }
2559
2560 bus_opts = qemu_opts_create_nofail(device);
2561 if (arch_type == QEMU_ARCH_S390X) {
2562 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2563 } else {
2564 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2565 }
2566
2567 dev_opts = qemu_opts_create_nofail(device);
2568 qemu_opt_set(dev_opts, "driver", "virtconsole");
2569
2570 snprintf(label, sizeof(label), "virtcon%d", index);
2571 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2572 if (!virtcon_hds[index]) {
2573 fprintf(stderr, "qemu: could not connect virtio console"
2574 " to character backend '%s'\n", devname);
2575 return -1;
2576 }
2577 qemu_opt_set(dev_opts, "chardev", label);
2578
2579 index++;
2580 return 0;
2581 }
2582
2583 static int sclp_parse(const char *devname)
2584 {
2585 QemuOptsList *device = qemu_find_opts("device");
2586 static int index = 0;
2587 char label[32];
2588 QemuOpts *dev_opts;
2589
2590 if (strcmp(devname, "none") == 0) {
2591 return 0;
2592 }
2593 if (index == MAX_SCLP_CONSOLES) {
2594 fprintf(stderr, "qemu: too many sclp consoles\n");
2595 exit(1);
2596 }
2597
2598 assert(arch_type == QEMU_ARCH_S390X);
2599
2600 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2601 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2602
2603 snprintf(label, sizeof(label), "sclpcon%d", index);
2604 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2605 if (!sclp_hds[index]) {
2606 fprintf(stderr, "qemu: could not connect sclp console"
2607 " to character backend '%s'\n", devname);
2608 return -1;
2609 }
2610 qemu_opt_set(dev_opts, "chardev", label);
2611
2612 index++;
2613 return 0;
2614 }
2615
2616 static int debugcon_parse(const char *devname)
2617 {
2618 QemuOpts *opts;
2619
2620 if (!qemu_chr_new("debugcon", devname, NULL)) {
2621 exit(1);
2622 }
2623 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2624 if (!opts) {
2625 fprintf(stderr, "qemu: already have a debugcon device\n");
2626 exit(1);
2627 }
2628 qemu_opt_set(opts, "driver", "isa-debugcon");
2629 qemu_opt_set(opts, "chardev", "debugcon");
2630 return 0;
2631 }
2632
2633 static QEMUMachine *machine_parse(const char *name)
2634 {
2635 QEMUMachine *m, *machine = NULL;
2636
2637 if (name) {
2638 machine = find_machine(name);
2639 }
2640 if (machine) {
2641 return machine;
2642 }
2643 printf("Supported machines are:\n");
2644 for (m = first_machine; m != NULL; m = m->next) {
2645 if (m->alias) {
2646 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2647 }
2648 printf("%-20s %s%s\n", m->name, m->desc,
2649 m->is_default ? " (default)" : "");
2650 }
2651 exit(!name || !is_help_option(name));
2652 }
2653
2654 static int tcg_init(void)
2655 {
2656 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2657 return 0;
2658 }
2659
2660 static struct {
2661 const char *opt_name;
2662 const char *name;
2663 int (*available)(void);
2664 int (*init)(void);
2665 bool *allowed;
2666 } accel_list[] = {
2667 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2668 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2669 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2670 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2671 };
2672
2673 static int configure_accelerator(void)
2674 {
2675 const char *p = NULL;
2676 char buf[10];
2677 int i, ret;
2678 bool accel_initialised = false;
2679 bool init_failed = false;
2680
2681 QemuOptsList *list = qemu_find_opts("machine");
2682 if (!QTAILQ_EMPTY(&list->head)) {
2683 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2684 }
2685
2686 if (p == NULL) {
2687 /* Use the default "accelerator", tcg */
2688 p = "tcg";
2689 }
2690
2691 while (!accel_initialised && *p != '\0') {
2692 if (*p == ':') {
2693 p++;
2694 }
2695 p = get_opt_name(buf, sizeof (buf), p, ':');
2696 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2697 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2698 if (!accel_list[i].available()) {
2699 printf("%s not supported for this target\n",
2700 accel_list[i].name);
2701 continue;
2702 }
2703 *(accel_list[i].allowed) = true;
2704 ret = accel_list[i].init();
2705 if (ret < 0) {
2706 init_failed = true;
2707 fprintf(stderr, "failed to initialize %s: %s\n",
2708 accel_list[i].name,
2709 strerror(-ret));
2710 *(accel_list[i].allowed) = false;
2711 } else {
2712 accel_initialised = true;
2713 }
2714 break;
2715 }
2716 }
2717 if (i == ARRAY_SIZE(accel_list)) {
2718 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2719 }
2720 }
2721
2722 if (!accel_initialised) {
2723 if (!init_failed) {
2724 fprintf(stderr, "No accelerator found!\n");
2725 }
2726 exit(1);
2727 }
2728
2729 if (init_failed) {
2730 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2731 }
2732
2733 return !accel_initialised;
2734 }
2735
2736 void qemu_add_exit_notifier(Notifier *notify)
2737 {
2738 notifier_list_add(&exit_notifiers, notify);
2739 }
2740
2741 void qemu_remove_exit_notifier(Notifier *notify)
2742 {
2743 notifier_remove(notify);
2744 }
2745
2746 static void qemu_run_exit_notifiers(void)
2747 {
2748 notifier_list_notify(&exit_notifiers, NULL);
2749 }
2750
2751 void qemu_add_machine_init_done_notifier(Notifier *notify)
2752 {
2753 notifier_list_add(&machine_init_done_notifiers, notify);
2754 }
2755
2756 static void qemu_run_machine_init_done_notifiers(void)
2757 {
2758 notifier_list_notify(&machine_init_done_notifiers, NULL);
2759 }
2760
2761 static const QEMUOption *lookup_opt(int argc, char **argv,
2762 const char **poptarg, int *poptind)
2763 {
2764 const QEMUOption *popt;
2765 int optind = *poptind;
2766 char *r = argv[optind];
2767 const char *optarg;
2768
2769 loc_set_cmdline(argv, optind, 1);
2770 optind++;
2771 /* Treat --foo the same as -foo. */
2772 if (r[1] == '-')
2773 r++;
2774 popt = qemu_options;
2775 for(;;) {
2776 if (!popt->name) {
2777 error_report("invalid option");
2778 exit(1);
2779 }
2780 if (!strcmp(popt->name, r + 1))
2781 break;
2782 popt++;
2783 }
2784 if (popt->flags & HAS_ARG) {
2785 if (optind >= argc) {
2786 error_report("requires an argument");
2787 exit(1);
2788 }
2789 optarg = argv[optind++];
2790 loc_set_cmdline(argv, optind - 2, 2);
2791 } else {
2792 optarg = NULL;
2793 }
2794
2795 *poptarg = optarg;
2796 *poptind = optind;
2797
2798 return popt;
2799 }
2800
2801 static gpointer malloc_and_trace(gsize n_bytes)
2802 {
2803 void *ptr = malloc(n_bytes);
2804 trace_g_malloc(n_bytes, ptr);
2805 return ptr;
2806 }
2807
2808 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2809 {
2810 void *ptr = realloc(mem, n_bytes);
2811 trace_g_realloc(mem, n_bytes, ptr);
2812 return ptr;
2813 }
2814
2815 static void free_and_trace(gpointer mem)
2816 {
2817 trace_g_free(mem);
2818 free(mem);
2819 }
2820
2821 static int object_set_property(const char *name, const char *value, void *opaque)
2822 {
2823 Object *obj = OBJECT(opaque);
2824 StringInputVisitor *siv;
2825 Error *local_err = NULL;
2826
2827 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2828 return 0;
2829 }
2830
2831 siv = string_input_visitor_new(value);
2832 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2833 string_input_visitor_cleanup(siv);
2834
2835 if (local_err) {
2836 qerror_report_err(local_err);
2837 error_free(local_err);
2838 return -1;
2839 }
2840
2841 return 0;
2842 }
2843
2844 static int object_create(QemuOpts *opts, void *opaque)
2845 {
2846 const char *type = qemu_opt_get(opts, "qom-type");
2847 const char *id = qemu_opts_id(opts);
2848 Object *obj;
2849
2850 g_assert(type != NULL);
2851
2852 if (id == NULL) {
2853 qerror_report(QERR_MISSING_PARAMETER, "id");
2854 return -1;
2855 }
2856
2857 obj = object_new(type);
2858 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2859 return -1;
2860 }
2861
2862 object_property_add_child(container_get(object_get_root(), "/objects"),
2863 id, obj, NULL);
2864
2865 return 0;
2866 }
2867
2868 int main(int argc, char **argv, char **envp)
2869 {
2870 int i;
2871 int snapshot, linux_boot;
2872 const char *icount_option = NULL;
2873 const char *initrd_filename;
2874 const char *kernel_filename, *kernel_cmdline;
2875 const char *boot_order = NULL;
2876 DisplayState *ds;
2877 int cyls, heads, secs, translation;
2878 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2879 QemuOptsList *olist;
2880 int optind;
2881 const char *optarg;
2882 const char *loadvm = NULL;
2883 QEMUMachine *machine;
2884 const char *cpu_model;
2885 const char *vga_model = "none";
2886 const char *pid_file = NULL;
2887 const char *incoming = NULL;
2888 #ifdef CONFIG_VNC
2889 int show_vnc_port = 0;
2890 #endif
2891 bool defconfig = true;
2892 bool userconfig = true;
2893 const char *log_mask = NULL;
2894 const char *log_file = NULL;
2895 GMemVTable mem_trace = {
2896 .malloc = malloc_and_trace,
2897 .realloc = realloc_and_trace,
2898 .free = free_and_trace,
2899 };
2900 const char *trace_events = NULL;
2901 const char *trace_file = NULL;
2902
2903 atexit(qemu_run_exit_notifiers);
2904 error_set_progname(argv[0]);
2905
2906 g_mem_set_vtable(&mem_trace);
2907 if (!g_thread_supported()) {
2908 #if !GLIB_CHECK_VERSION(2, 31, 0)
2909 g_thread_init(NULL);
2910 #else
2911 fprintf(stderr, "glib threading failed to initialize.\n");
2912 exit(1);
2913 #endif
2914 }
2915
2916 module_call_init(MODULE_INIT_QOM);
2917
2918 qemu_add_opts(&qemu_drive_opts);
2919 qemu_add_opts(&qemu_chardev_opts);
2920 qemu_add_opts(&qemu_device_opts);
2921 qemu_add_opts(&qemu_netdev_opts);
2922 qemu_add_opts(&qemu_net_opts);
2923 qemu_add_opts(&qemu_rtc_opts);
2924 qemu_add_opts(&qemu_global_opts);
2925 qemu_add_opts(&qemu_mon_opts);
2926 qemu_add_opts(&qemu_trace_opts);
2927 qemu_add_opts(&qemu_option_rom_opts);
2928 qemu_add_opts(&qemu_machine_opts);
2929 qemu_add_opts(&qemu_smp_opts);
2930 qemu_add_opts(&qemu_boot_opts);
2931 qemu_add_opts(&qemu_sandbox_opts);
2932 qemu_add_opts(&qemu_add_fd_opts);
2933 qemu_add_opts(&qemu_object_opts);
2934 qemu_add_opts(&qemu_tpmdev_opts);
2935 qemu_add_opts(&qemu_realtime_opts);
2936
2937 runstate_init();
2938
2939 init_clocks();
2940 rtc_clock = host_clock;
2941
2942 qemu_cache_utils_init(envp);
2943
2944 QLIST_INIT (&vm_change_state_head);
2945 os_setup_early_signal_handling();
2946
2947 module_call_init(MODULE_INIT_MACHINE);
2948 machine = find_default_machine();
2949 cpu_model = NULL;
2950 ram_size = 0;
2951 snapshot = 0;
2952 cyls = heads = secs = 0;
2953 translation = BIOS_ATA_TRANSLATION_AUTO;
2954
2955 for (i = 0; i < MAX_NODES; i++) {
2956 node_mem[i] = 0;
2957 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2958 }
2959
2960 nb_numa_nodes = 0;
2961 nb_nics = 0;
2962
2963 bdrv_init_with_whitelist();
2964
2965 autostart= 1;
2966
2967 /* first pass of option parsing */
2968 optind = 1;
2969 while (optind < argc) {
2970 if (argv[optind][0] != '-') {
2971 /* disk image */
2972 optind++;
2973 continue;
2974 } else {
2975 const QEMUOption *popt;
2976
2977 popt = lookup_opt(argc, argv, &optarg, &optind);
2978 switch (popt->index) {
2979 case QEMU_OPTION_nodefconfig:
2980 defconfig = false;
2981 break;
2982 case QEMU_OPTION_nouserconfig:
2983 userconfig = false;
2984 break;
2985 }
2986 }
2987 }
2988
2989 if (defconfig) {
2990 int ret;
2991 ret = qemu_read_default_config_files(userconfig);
2992 if (ret < 0) {
2993 exit(1);
2994 }
2995 }
2996
2997 /* second pass of option parsing */
2998 optind = 1;
2999 for(;;) {
3000 if (optind >= argc)
3001 break;
3002 if (argv[optind][0] != '-') {
3003 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3004 } else {
3005 const QEMUOption *popt;
3006
3007 popt = lookup_opt(argc, argv, &optarg, &optind);
3008 if (!(popt->arch_mask & arch_type)) {
3009 printf("Option %s not supported for this target\n", popt->name);
3010 exit(1);
3011 }
3012 switch(popt->index) {
3013 case QEMU_OPTION_M:
3014 machine = machine_parse(optarg);
3015 break;
3016 case QEMU_OPTION_no_kvm_irqchip: {
3017 olist = qemu_find_opts("machine");
3018 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3019 break;
3020 }
3021 case QEMU_OPTION_cpu:
3022 /* hw initialization will check this */
3023 cpu_model = optarg;
3024 break;
3025 case QEMU_OPTION_hda:
3026 {
3027 char buf[256];
3028 if (cyls == 0)
3029 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3030 else
3031 snprintf(buf, sizeof(buf),
3032 "%s,cyls=%d,heads=%d,secs=%d%s",
3033 HD_OPTS , cyls, heads, secs,
3034 translation == BIOS_ATA_TRANSLATION_LBA ?
3035 ",trans=lba" :
3036 translation == BIOS_ATA_TRANSLATION_NONE ?
3037 ",trans=none" : "");
3038 drive_add(IF_DEFAULT, 0, optarg, buf);
3039 break;
3040 }
3041 case QEMU_OPTION_hdb:
3042 case QEMU_OPTION_hdc:
3043 case QEMU_OPTION_hdd:
3044 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3045 HD_OPTS);
3046 break;
3047 case QEMU_OPTION_drive:
3048 if (drive_def(optarg) == NULL) {
3049 exit(1);
3050 }
3051 break;
3052 case QEMU_OPTION_set:
3053 if (qemu_set_option(optarg) != 0)
3054 exit(1);
3055 break;
3056 case QEMU_OPTION_global:
3057 if (qemu_global_option(optarg) != 0)
3058 exit(1);
3059 break;
3060 case QEMU_OPTION_mtdblock:
3061 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3062 break;
3063 case QEMU_OPTION_sd:
3064 drive_add(IF_SD, -1, optarg, SD_OPTS);
3065 break;
3066 case QEMU_OPTION_pflash:
3067 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3068 break;
3069 case QEMU_OPTION_snapshot:
3070 snapshot = 1;
3071 break;
3072 case QEMU_OPTION_hdachs:
3073 {
3074 const char *p;
3075 p = optarg;
3076 cyls = strtol(p, (char **)&p, 0);
3077 if (cyls < 1 || cyls > 16383)
3078 goto chs_fail;
3079 if (*p != ',')
3080 goto chs_fail;
3081 p++;
3082 heads = strtol(p, (char **)&p, 0);
3083 if (heads < 1 || heads > 16)
3084 goto chs_fail;
3085 if (*p != ',')
3086 goto chs_fail;
3087 p++;
3088 secs = strtol(p, (char **)&p, 0);
3089 if (secs < 1 || secs > 63)
3090 goto chs_fail;
3091 if (*p == ',') {
3092 p++;
3093 if (!strcmp(p, "none"))
3094 translation = BIOS_ATA_TRANSLATION_NONE;
3095 else if (!strcmp(p, "lba"))
3096 translation = BIOS_ATA_TRANSLATION_LBA;
3097 else if (!strcmp(p, "auto"))
3098 translation = BIOS_ATA_TRANSLATION_AUTO;
3099 else
3100 goto chs_fail;
3101 } else if (*p != '\0') {
3102 chs_fail:
3103 fprintf(stderr, "qemu: invalid physical CHS format\n");
3104 exit(1);
3105 }
3106 if (hda_opts != NULL) {
3107 char num[16];
3108 snprintf(num, sizeof(num), "%d", cyls);
3109 qemu_opt_set(hda_opts, "cyls", num);
3110 snprintf(num, sizeof(num), "%d", heads);
3111 qemu_opt_set(hda_opts, "heads", num);
3112 snprintf(num, sizeof(num), "%d", secs);
3113 qemu_opt_set(hda_opts, "secs", num);
3114 if (translation == BIOS_ATA_TRANSLATION_LBA)
3115 qemu_opt_set(hda_opts, "trans", "lba");
3116 if (translation == BIOS_ATA_TRANSLATION_NONE)
3117 qemu_opt_set(hda_opts, "trans", "none");
3118 }
3119 }
3120 break;
3121 case QEMU_OPTION_numa:
3122 numa_add(optarg);
3123 break;
3124 case QEMU_OPTION_display:
3125 display_type = select_display(optarg);
3126 break;
3127 case QEMU_OPTION_nographic:
3128 display_type = DT_NOGRAPHIC;
3129 break;
3130 case QEMU_OPTION_curses:
3131 #ifdef CONFIG_CURSES
3132 display_type = DT_CURSES;
3133 #else
3134 fprintf(stderr, "Curses support is disabled\n");
3135 exit(1);
3136 #endif
3137 break;
3138 case QEMU_OPTION_portrait:
3139 graphic_rotate = 90;
3140 break;
3141 case QEMU_OPTION_rotate:
3142 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3143 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3144 graphic_rotate != 180 && graphic_rotate != 270) {
3145 fprintf(stderr,
3146 "qemu: only 90, 180, 270 deg rotation is available\n");
3147 exit(1);
3148 }
3149 break;
3150 case QEMU_OPTION_kernel:
3151 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3152 break;
3153 case QEMU_OPTION_initrd:
3154 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3155 break;
3156 case QEMU_OPTION_append:
3157 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3158 break;
3159 case QEMU_OPTION_dtb:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3161 break;
3162 case QEMU_OPTION_cdrom:
3163 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3164 break;
3165 case QEMU_OPTION_boot:
3166 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3167 if (!opts) {
3168 exit(1);
3169 }
3170 break;
3171 case QEMU_OPTION_fda:
3172 case QEMU_OPTION_fdb:
3173 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3174 optarg, FD_OPTS);
3175 break;
3176 case QEMU_OPTION_no_fd_bootchk:
3177 fd_bootchk = 0;
3178 break;
3179 case QEMU_OPTION_netdev:
3180 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3181 exit(1);
3182 }
3183 break;
3184 case QEMU_OPTION_net:
3185 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3186 exit(1);
3187 }
3188 break;
3189 #ifdef CONFIG_LIBISCSI
3190 case QEMU_OPTION_iscsi:
3191 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3192 if (!opts) {
3193 exit(1);
3194 }
3195 break;
3196 #endif
3197 #ifdef CONFIG_SLIRP
3198 case QEMU_OPTION_tftp:
3199 legacy_tftp_prefix = optarg;
3200 break;
3201 case QEMU_OPTION_bootp:
3202 legacy_bootp_filename = optarg;
3203 break;
3204 case QEMU_OPTION_redir:
3205 if (net_slirp_redir(optarg) < 0)
3206 exit(1);
3207 break;
3208 #endif
3209 case QEMU_OPTION_bt:
3210 add_device_config(DEV_BT, optarg);
3211 break;
3212 case QEMU_OPTION_audio_help:
3213 AUD_help ();
3214 exit (0);
3215 break;
3216 case QEMU_OPTION_soundhw:
3217 select_soundhw (optarg);
3218 break;
3219 case QEMU_OPTION_h:
3220 help(0);
3221 break;
3222 case QEMU_OPTION_version:
3223 version();
3224 exit(0);
3225 break;
3226 case QEMU_OPTION_m: {
3227 int64_t value;
3228 uint64_t sz;
3229 char *end;
3230
3231 value = strtosz(optarg, &end);
3232 if (value < 0 || *end) {
3233 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3234 exit(1);
3235 }
3236 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3237 ram_size = sz;
3238 if (ram_size != sz) {
3239 fprintf(stderr, "qemu: ram size too large\n");
3240 exit(1);
3241 }
3242 break;
3243 }
3244 #ifdef CONFIG_TPM
3245 case QEMU_OPTION_tpmdev:
3246 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3247 exit(1);
3248 }
3249 break;
3250 #endif
3251 case QEMU_OPTION_mempath:
3252 mem_path = optarg;
3253 break;
3254 #ifdef MAP_POPULATE
3255 case QEMU_OPTION_mem_prealloc:
3256 mem_prealloc = 1;
3257 break;
3258 #endif
3259 case QEMU_OPTION_d:
3260 log_mask = optarg;
3261 break;
3262 case QEMU_OPTION_D:
3263 log_file = optarg;
3264 break;
3265 case QEMU_OPTION_s:
3266 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3267 break;
3268 case QEMU_OPTION_gdb:
3269 add_device_config(DEV_GDB, optarg);
3270 break;
3271 case QEMU_OPTION_L:
3272 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3273 data_dir[data_dir_idx++] = optarg;
3274 }
3275 break;
3276 case QEMU_OPTION_bios:
3277 bios_name = optarg;
3278 break;
3279 case QEMU_OPTION_singlestep:
3280 singlestep = 1;
3281 break;
3282 case QEMU_OPTION_S:
3283 autostart = 0;
3284 break;
3285 case QEMU_OPTION_k:
3286 keyboard_layout = optarg;
3287 break;
3288 case QEMU_OPTION_localtime:
3289 rtc_utc = 0;
3290 break;
3291 case QEMU_OPTION_vga:
3292 vga_model = optarg;
3293 default_vga = 0;
3294 break;
3295 case QEMU_OPTION_g:
3296 {
3297 const char *p;
3298 int w, h, depth;
3299 p = optarg;
3300 w = strtol(p, (char **)&p, 10);
3301 if (w <= 0) {
3302 graphic_error:
3303 fprintf(stderr, "qemu: invalid resolution or depth\n");
3304 exit(1);
3305 }
3306 if (*p != 'x')
3307 goto graphic_error;
3308 p++;
3309 h = strtol(p, (char **)&p, 10);
3310 if (h <= 0)
3311 goto graphic_error;
3312 if (*p == 'x') {
3313 p++;
3314 depth = strtol(p, (char **)&p, 10);
3315 if (depth != 8 && depth != 15 && depth != 16 &&
3316 depth != 24 && depth != 32)
3317 goto graphic_error;
3318 } else if (*p == '\0') {
3319 depth = graphic_depth;
3320 } else {
3321 goto graphic_error;
3322 }
3323
3324 graphic_width = w;
3325 graphic_height = h;
3326 graphic_depth = depth;
3327 }
3328 break;
3329 case QEMU_OPTION_echr:
3330 {
3331 char *r;
3332 term_escape_char = strtol(optarg, &r, 0);
3333 if (r == optarg)
3334 printf("Bad argument to echr\n");
3335 break;
3336 }
3337 case QEMU_OPTION_monitor:
3338 default_monitor = 0;
3339 if (strncmp(optarg, "none", 4)) {
3340 monitor_parse(optarg, "readline");
3341 }
3342 break;
3343 case QEMU_OPTION_qmp:
3344 monitor_parse(optarg, "control");
3345 default_monitor = 0;
3346 break;
3347 case QEMU_OPTION_mon:
3348 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3349 if (!opts) {
3350 exit(1);
3351 }
3352 default_monitor = 0;
3353 break;
3354 case QEMU_OPTION_chardev:
3355 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3356 if (!opts) {
3357 exit(1);
3358 }
3359 break;
3360 case QEMU_OPTION_fsdev:
3361 olist = qemu_find_opts("fsdev");
3362 if (!olist) {
3363 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3364 exit(1);
3365 }
3366 opts = qemu_opts_parse(olist, optarg, 1);
3367 if (!opts) {
3368 exit(1);
3369 }
3370 break;
3371 case QEMU_OPTION_virtfs: {
3372 QemuOpts *fsdev;
3373 QemuOpts *device;
3374 const char *writeout, *sock_fd, *socket;
3375
3376 olist = qemu_find_opts("virtfs");
3377 if (!olist) {
3378 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3379 exit(1);
3380 }
3381 opts = qemu_opts_parse(olist, optarg, 1);
3382 if (!opts) {
3383 exit(1);
3384 }
3385
3386 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3387 qemu_opt_get(opts, "mount_tag") == NULL) {
3388 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3389 exit(1);
3390 }
3391 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3392 qemu_opt_get(opts, "mount_tag"),
3393 1, NULL);
3394 if (!fsdev) {
3395 fprintf(stderr, "duplicate fsdev id: %s\n",
3396 qemu_opt_get(opts, "mount_tag"));
3397 exit(1);
3398 }
3399
3400 writeout = qemu_opt_get(opts, "writeout");
3401 if (writeout) {
3402 #ifdef CONFIG_SYNC_FILE_RANGE
3403 qemu_opt_set(fsdev, "writeout", writeout);
3404 #else
3405 fprintf(stderr, "writeout=immediate not supported on "
3406 "this platform\n");
3407 exit(1);
3408 #endif
3409 }
3410 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3411 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3412 qemu_opt_set(fsdev, "security_model",
3413 qemu_opt_get(opts, "security_model"));
3414 socket = qemu_opt_get(opts, "socket");
3415 if (socket) {
3416 qemu_opt_set(fsdev, "socket", socket);
3417 }
3418 sock_fd = qemu_opt_get(opts, "sock_fd");
3419 if (sock_fd) {
3420 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3421 }
3422
3423 qemu_opt_set_bool(fsdev, "readonly",
3424 qemu_opt_get_bool(opts, "readonly", 0));
3425 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3426 qemu_opt_set(device, "driver", "virtio-9p-pci");
3427 qemu_opt_set(device, "fsdev",
3428 qemu_opt_get(opts, "mount_tag"));
3429 qemu_opt_set(device, "mount_tag",
3430 qemu_opt_get(opts, "mount_tag"));
3431 break;
3432 }
3433 case QEMU_OPTION_virtfs_synth: {
3434 QemuOpts *fsdev;
3435 QemuOpts *device;
3436
3437 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3438 1, NULL);
3439 if (!fsdev) {
3440 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3441 exit(1);
3442 }
3443 qemu_opt_set(fsdev, "fsdriver", "synth");
3444
3445 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3446 qemu_opt_set(device, "driver", "virtio-9p-pci");
3447 qemu_opt_set(device, "fsdev", "v_synth");
3448 qemu_opt_set(device, "mount_tag", "v_synth");
3449 break;
3450 }
3451 case QEMU_OPTION_serial:
3452 add_device_config(DEV_SERIAL, optarg);
3453 default_serial = 0;
3454 if (strncmp(optarg, "mon:", 4) == 0) {
3455 default_monitor = 0;
3456 }
3457 break;
3458 case QEMU_OPTION_watchdog:
3459 if (watchdog) {
3460 fprintf(stderr,
3461 "qemu: only one watchdog option may be given\n");
3462 return 1;
3463 }
3464 watchdog = optarg;
3465 break;
3466 case QEMU_OPTION_watchdog_action:
3467 if (select_watchdog_action(optarg) == -1) {
3468 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3469 exit(1);
3470 }
3471 break;
3472 case QEMU_OPTION_virtiocon:
3473 add_device_config(DEV_VIRTCON, optarg);
3474 default_virtcon = 0;
3475 if (strncmp(optarg, "mon:", 4) == 0) {
3476 default_monitor = 0;
3477 }
3478 break;
3479 case QEMU_OPTION_parallel:
3480 add_device_config(DEV_PARALLEL, optarg);
3481 default_parallel = 0;
3482 if (strncmp(optarg, "mon:", 4) == 0) {
3483 default_monitor = 0;
3484 }
3485 break;
3486 case QEMU_OPTION_debugcon:
3487 add_device_config(DEV_DEBUGCON, optarg);
3488 break;
3489 case QEMU_OPTION_loadvm:
3490 loadvm = optarg;
3491 break;
3492 case QEMU_OPTION_full_screen:
3493 full_screen = 1;
3494 break;
3495 case QEMU_OPTION_no_frame:
3496 no_frame = 1;
3497 break;
3498 case QEMU_OPTION_alt_grab:
3499 alt_grab = 1;
3500 break;
3501 case QEMU_OPTION_ctrl_grab:
3502 ctrl_grab = 1;
3503 break;
3504 case QEMU_OPTION_no_quit:
3505 no_quit = 1;
3506 break;
3507 case QEMU_OPTION_sdl:
3508 #ifdef CONFIG_SDL
3509 display_type = DT_SDL;
3510 break;
3511 #else
3512 fprintf(stderr, "SDL support is disabled\n");
3513 exit(1);
3514 #endif
3515 case QEMU_OPTION_pidfile:
3516 pid_file = optarg;
3517 break;
3518 case QEMU_OPTION_win2k_hack:
3519 win2k_install_hack = 1;
3520 break;
3521 case QEMU_OPTION_rtc_td_hack: {
3522 static GlobalProperty slew_lost_ticks[] = {
3523 {
3524 .driver = "mc146818rtc",
3525 .property = "lost_tick_policy",
3526 .value = "slew",
3527 },
3528 { /* end of list */ }
3529 };
3530
3531 qdev_prop_register_global_list(slew_lost_ticks);
3532 break;
3533 }
3534 case QEMU_OPTION_acpitable:
3535 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3536 g_assert(opts != NULL);
3537 do_acpitable_option(opts);
3538 break;
3539 case QEMU_OPTION_smbios:
3540 do_smbios_option(optarg);
3541 break;
3542 case QEMU_OPTION_enable_kvm:
3543 olist = qemu_find_opts("machine");
3544 qemu_opts_parse(olist, "accel=kvm", 0);
3545 break;
3546 case QEMU_OPTION_machine:
3547 olist = qemu_find_opts("machine");
3548 opts = qemu_opts_parse(olist, optarg, 1);
3549 if (!opts) {
3550 exit(1);
3551 }
3552 optarg = qemu_opt_get(opts, "type");
3553 if (optarg) {
3554 machine = machine_parse(optarg);
3555 }
3556 break;
3557 case QEMU_OPTION_no_kvm:
3558 olist = qemu_find_opts("machine");
3559 qemu_opts_parse(olist, "accel=tcg", 0);
3560 break;
3561 case QEMU_OPTION_no_kvm_pit: {
3562 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3563 "separately.\n");
3564 break;
3565 }
3566 case QEMU_OPTION_no_kvm_pit_reinjection: {
3567 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3568 {
3569 .driver = "kvm-pit",
3570 .property = "lost_tick_policy",
3571 .value = "discard",
3572 },
3573 { /* end of list */ }
3574 };
3575
3576 fprintf(stderr, "Warning: option deprecated, use "
3577 "lost_tick_policy property of kvm-pit instead.\n");
3578 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3579 break;
3580 }
3581 case QEMU_OPTION_usb:
3582 olist = qemu_find_opts("machine");
3583 qemu_opts_parse(olist, "usb=on", 0);
3584 break;
3585 case QEMU_OPTION_usbdevice:
3586 olist = qemu_find_opts("machine");
3587 qemu_opts_parse(olist, "usb=on", 0);
3588 add_device_config(DEV_USB, optarg);
3589 break;
3590 case QEMU_OPTION_device:
3591 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3592 exit(1);
3593 }
3594 break;
3595 case QEMU_OPTION_smp:
3596 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3597 exit(1);
3598 }
3599 break;
3600 case QEMU_OPTION_vnc:
3601 #ifdef CONFIG_VNC
3602 display_remote++;
3603 vnc_display = optarg;
3604 #else
3605 fprintf(stderr, "VNC support is disabled\n");
3606 exit(1);
3607 #endif
3608 break;
3609 case QEMU_OPTION_no_acpi:
3610 acpi_enabled = 0;
3611 break;
3612 case QEMU_OPTION_no_hpet:
3613 no_hpet = 1;
3614 break;
3615 case QEMU_OPTION_balloon:
3616 if (balloon_parse(optarg) < 0) {
3617 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3618 exit(1);
3619 }
3620 break;
3621 case QEMU_OPTION_no_reboot:
3622 no_reboot = 1;
3623 break;
3624 case QEMU_OPTION_no_shutdown:
3625 no_shutdown = 1;
3626 break;
3627 case QEMU_OPTION_show_cursor:
3628 cursor_hide = 0;
3629 break;
3630 case QEMU_OPTION_uuid:
3631 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3632 fprintf(stderr, "Fail to parse UUID string."
3633 " Wrong format.\n");
3634 exit(1);
3635 }
3636 break;
3637 case QEMU_OPTION_option_rom:
3638 if (nb_option_roms >= MAX_OPTION_ROMS) {
3639 fprintf(stderr, "Too many option ROMs\n");
3640 exit(1);
3641 }
3642 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3643 if (!opts) {
3644 exit(1);
3645 }
3646 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3647 option_rom[nb_option_roms].bootindex =
3648 qemu_opt_get_number(opts, "bootindex", -1);
3649 if (!option_rom[nb_option_roms].name) {
3650 fprintf(stderr, "Option ROM file is not specified\n");
3651 exit(1);
3652 }
3653 nb_option_roms++;
3654 break;
3655 case QEMU_OPTION_semihosting:
3656 semihosting_enabled = 1;
3657 break;
3658 case QEMU_OPTION_tdf:
3659 fprintf(stderr, "Warning: user space PIT time drift fix "
3660 "is no longer supported.\n");
3661 break;
3662 case QEMU_OPTION_name:
3663 qemu_name = g_strdup(optarg);
3664 {
3665 char *p = strchr(qemu_name, ',');
3666 if (p != NULL) {
3667 *p++ = 0;
3668 if (strncmp(p, "process=", 8)) {
3669 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3670 exit(1);
3671 }
3672 p += 8;
3673 os_set_proc_name(p);
3674 }
3675 }
3676 break;
3677 case QEMU_OPTION_prom_env:
3678 if (nb_prom_envs >= MAX_PROM_ENVS) {
3679 fprintf(stderr, "Too many prom variables\n");
3680 exit(1);
3681 }
3682 prom_envs[nb_prom_envs] = optarg;
3683 nb_prom_envs++;
3684 break;
3685 case QEMU_OPTION_old_param:
3686 old_param = 1;
3687 break;
3688 case QEMU_OPTION_clock:
3689 configure_alarms(optarg);
3690 break;
3691 case QEMU_OPTION_startdate:
3692 configure_rtc_date_offset(optarg, 1);
3693 break;
3694 case QEMU_OPTION_rtc:
3695 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 configure_rtc(opts);
3700 break;
3701 case QEMU_OPTION_tb_size:
3702 tcg_tb_size = strtol(optarg, NULL, 0);
3703 if (tcg_tb_size < 0) {
3704 tcg_tb_size = 0;
3705 }
3706 break;
3707 case QEMU_OPTION_icount:
3708 icount_option = optarg;
3709 break;
3710 case QEMU_OPTION_incoming:
3711 incoming = optarg;
3712 runstate_set(RUN_STATE_INMIGRATE);
3713 break;
3714 case QEMU_OPTION_nodefaults:
3715 default_serial = 0;
3716 default_parallel = 0;
3717 default_virtcon = 0;
3718 default_sclp = 0;
3719 default_monitor = 0;
3720 default_net = 0;
3721 default_floppy = 0;
3722 default_cdrom = 0;
3723 default_sdcard = 0;
3724 default_vga = 0;
3725 break;
3726 case QEMU_OPTION_xen_domid:
3727 if (!(xen_available())) {
3728 printf("Option %s not supported for this target\n", popt->name);
3729 exit(1);
3730 }
3731 xen_domid = atoi(optarg);
3732 break;
3733 case QEMU_OPTION_xen_create:
3734 if (!(xen_available())) {
3735 printf("Option %s not supported for this target\n", popt->name);
3736 exit(1);
3737 }
3738 xen_mode = XEN_CREATE;
3739 break;
3740 case QEMU_OPTION_xen_attach:
3741 if (!(xen_available())) {
3742 printf("Option %s not supported for this target\n", popt->name);
3743 exit(1);
3744 }
3745 xen_mode = XEN_ATTACH;
3746 break;
3747 case QEMU_OPTION_trace:
3748 {
3749 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3750 if (!opts) {
3751 exit(1);
3752 }
3753 trace_events = qemu_opt_get(opts, "events");
3754 trace_file = qemu_opt_get(opts, "file");
3755 break;
3756 }
3757 case QEMU_OPTION_readconfig:
3758 {
3759 int ret = qemu_read_config_file(optarg);
3760 if (ret < 0) {
3761 fprintf(stderr, "read config %s: %s\n", optarg,
3762 strerror(-ret));
3763 exit(1);
3764 }
3765 break;
3766 }
3767 case QEMU_OPTION_spice:
3768 olist = qemu_find_opts("spice");
3769 if (!olist) {
3770 fprintf(stderr, "spice is not supported by this qemu build.\n");
3771 exit(1);
3772 }
3773 opts = qemu_opts_parse(olist, optarg, 0);
3774 if (!opts) {
3775 exit(1);
3776 }
3777 display_remote++;
3778 break;
3779 case QEMU_OPTION_writeconfig:
3780 {
3781 FILE *fp;
3782 if (strcmp(optarg, "-") == 0) {
3783 fp = stdout;
3784 } else {
3785 fp = fopen(optarg, "w");
3786 if (fp == NULL) {
3787 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3788 exit(1);
3789 }
3790 }
3791 qemu_config_write(fp);
3792 fclose(fp);
3793 break;
3794 }
3795 case QEMU_OPTION_qtest:
3796 qtest_chrdev = optarg;
3797 break;
3798 case QEMU_OPTION_qtest_log:
3799 qtest_log = optarg;
3800 break;
3801 case QEMU_OPTION_sandbox:
3802 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3803 if (!opts) {
3804 exit(1);
3805 }
3806 break;
3807 case QEMU_OPTION_add_fd:
3808 #ifndef _WIN32
3809 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3810 if (!opts) {
3811 exit(1);
3812 }
3813 #else
3814 error_report("File descriptor passing is disabled on this "
3815 "platform");
3816 exit(1);
3817 #endif
3818 break;
3819 case QEMU_OPTION_object:
3820 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 break;
3825 case QEMU_OPTION_realtime:
3826 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3827 if (!opts) {
3828 exit(1);
3829 }
3830 configure_realtime(opts);
3831 break;
3832 default:
3833 os_parse_cmd_args(popt->index, optarg);
3834 }
3835 }
3836 }
3837 loc_set_none();
3838
3839 if (qemu_init_main_loop()) {
3840 fprintf(stderr, "qemu_init_main_loop failed\n");
3841 exit(1);
3842 }
3843
3844 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3845 exit(1);
3846 }
3847
3848 #ifndef _WIN32
3849 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3850 exit(1);
3851 }
3852
3853 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3854 exit(1);
3855 }
3856 #endif
3857
3858 if (machine == NULL) {
3859 fprintf(stderr, "No machine found.\n");
3860 exit(1);
3861 }
3862
3863 if (machine->hw_version) {
3864 qemu_set_version(machine->hw_version);
3865 }
3866
3867 if (qemu_opts_foreach(qemu_find_opts("object"),
3868 object_create, NULL, 0) != 0) {
3869 exit(1);
3870 }
3871
3872 /* Init CPU def lists, based on config
3873 * - Must be called after all the qemu_read_config_file() calls
3874 * - Must be called before list_cpus()
3875 * - Must be called before machine->init()
3876 */
3877 cpudef_init();
3878
3879 if (cpu_model && is_help_option(cpu_model)) {
3880 list_cpus(stdout, &fprintf, cpu_model);
3881 exit(0);
3882 }
3883
3884 /* Open the logfile at this point, if necessary. We can't open the logfile
3885 * when encountering either of the logging options (-d or -D) because the
3886 * other one may be encountered later on the command line, changing the
3887 * location or level of logging.
3888 */
3889 if (log_mask) {
3890 int mask;
3891 if (log_file) {
3892 qemu_set_log_filename(log_file);
3893 }
3894
3895 mask = qemu_str_to_log_mask(log_mask);
3896 if (!mask) {
3897 qemu_print_log_usage(stdout);
3898 exit(1);
3899 }
3900 qemu_set_log(mask);
3901 }
3902
3903 if (!trace_backend_init(trace_events, trace_file)) {
3904 exit(1);
3905 }