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hw/9pfs: Add support to use named socket for proxy FS
[qemu/kevin.git] / vl.c
blobba55b356cf71398f0a887fb2eaa86812040b22f4
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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "block.h"
140 #include "blockdev.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qjson.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155
156 #include "disas.h"
157
158 #include "qemu_socket.h"
159
160 #include "slirp/libslirp.h"
161
162 #include "trace.h"
163 #include "trace/control.h"
164 #include "qemu-queue.h"
165 #include "cpus.h"
166 #include "arch_init.h"
167
168 #include "ui/qemu-spice.h"
169
170 //#define DEBUG_NET
171 //#define DEBUG_SLIRP
172
173 #define DEFAULT_RAM_SIZE 128
174
175 #define MAX_VIRTIO_CONSOLES 1
176
177 static const char *data_dir;
178 const char *bios_name = NULL;
179 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180 DisplayType display_type = DT_DEFAULT;
181 int display_remote = 0;
182 const char* keyboard_layout = NULL;
183 ram_addr_t ram_size;
184 const char *mem_path = NULL;
185 #ifdef MAP_POPULATE
186 int mem_prealloc = 0; /* force preallocation of physical target memory */
187 #endif
188 int nb_nics;
189 NICInfo nd_table[MAX_NICS];
190 int autostart;
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
196 #ifdef CONFIG_SDL
197 static int no_frame = 0;
198 #endif
199 int no_quit = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
204 int rtc_td_hack = 0;
205 int usb_enabled = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 #ifdef CONFIG_VNC
212 const char *vnc_display;
213 #endif
214 int acpi_enabled = 1;
215 int no_hpet = 0;
216 int fd_bootchk = 1;
217 int no_reboot = 0;
218 int no_shutdown = 0;
219 int cursor_hide = 1;
220 int graphic_rotate = 0;
221 uint8_t irq0override = 1;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int nb_option_roms;
225 int semihosting_enabled = 0;
226 int old_param = 0;
227 const char *qemu_name;
228 int alt_grab = 0;
229 int ctrl_grab = 0;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
232 int boot_menu;
233 uint8_t *boot_splash_filedata;
234 int boot_splash_filedata_size;
235 uint8_t qemu_extra_params_fw[2];
236
237 typedef struct FWBootEntry FWBootEntry;
238
239 struct FWBootEntry {
240 QTAILQ_ENTRY(FWBootEntry) link;
241 int32_t bootindex;
242 DeviceState *dev;
243 char *suffix;
244 };
245
246 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
247
248 int nb_numa_nodes;
249 uint64_t node_mem[MAX_NODES];
250 uint64_t node_cpumask[MAX_NODES];
251
252 uint8_t qemu_uuid[16];
253
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
256
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262
263 static int tcg_allowed = 1;
264 int kvm_allowed = 0;
265 int xen_allowed = 0;
266 uint32_t xen_domid;
267 enum xen_mode xen_mode = XEN_EMULATE;
268 static int tcg_tb_size;
269
270 static int default_serial = 1;
271 static int default_parallel = 1;
272 static int default_virtcon = 1;
273 static int default_monitor = 1;
274 static int default_vga = 1;
275 static int default_floppy = 1;
276 static int default_cdrom = 1;
277 static int default_sdcard = 1;
278
279 static struct {
280 const char *driver;
281 int *flag;
282 } default_list[] = {
283 { .driver = "isa-serial", .flag = &default_serial },
284 { .driver = "isa-parallel", .flag = &default_parallel },
285 { .driver = "isa-fdc", .flag = &default_floppy },
286 { .driver = "ide-cd", .flag = &default_cdrom },
287 { .driver = "ide-hd", .flag = &default_cdrom },
288 { .driver = "ide-drive", .flag = &default_cdrom },
289 { .driver = "scsi-cd", .flag = &default_cdrom },
290 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
291 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
292 { .driver = "virtio-serial", .flag = &default_virtcon },
293 { .driver = "VGA", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "vmware-svga", .flag = &default_vga },
296 { .driver = "isa-vga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
298 };
299
300 static void res_free(void)
301 {
302 if (boot_splash_filedata != NULL) {
303 g_free(boot_splash_filedata);
304 boot_splash_filedata = NULL;
305 }
306 }
307
308 static int default_driver_check(QemuOpts *opts, void *opaque)
309 {
310 const char *driver = qemu_opt_get(opts, "driver");
311 int i;
312
313 if (!driver)
314 return 0;
315 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
316 if (strcmp(default_list[i].driver, driver) != 0)
317 continue;
318 *(default_list[i].flag) = 0;
319 }
320 return 0;
321 }
322
323 /***********************************************************/
324 /* QEMU state */
325
326 static RunState current_run_state = RUN_STATE_PRELAUNCH;
327
328 typedef struct {
329 RunState from;
330 RunState to;
331 } RunStateTransition;
332
333 static const RunStateTransition runstate_transitions_def[] = {
334 /* from -> to */
335 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
336
337 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
338 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
339
340 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
341 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
342
343 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
344 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
345
346 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
347 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
348
349 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
350 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
351
352 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
353 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
354 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
355
356 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
357 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
358
359 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
360
361 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
362 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
363 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
364 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
365 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
366 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
367 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
368 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
369 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
370
371 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
372
373 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
374 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
375
376 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
377 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
378
379 { RUN_STATE_MAX, RUN_STATE_MAX },
380 };
381
382 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
383
384 bool runstate_check(RunState state)
385 {
386 return current_run_state == state;
387 }
388
389 void runstate_init(void)
390 {
391 const RunStateTransition *p;
392
393 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
394
395 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
396 runstate_valid_transitions[p->from][p->to] = true;
397 }
398 }
399
400 /* This function will abort() on invalid state transitions */
401 void runstate_set(RunState new_state)
402 {
403 assert(new_state < RUN_STATE_MAX);
404
405 if (!runstate_valid_transitions[current_run_state][new_state]) {
406 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
407 RunState_lookup[current_run_state],
408 RunState_lookup[new_state]);
409 abort();
410 }
411
412 current_run_state = new_state;
413 }
414
415 int runstate_is_running(void)
416 {
417 return runstate_check(RUN_STATE_RUNNING);
418 }
419
420 StatusInfo *qmp_query_status(Error **errp)
421 {
422 StatusInfo *info = g_malloc0(sizeof(*info));
423
424 info->running = runstate_is_running();
425 info->singlestep = singlestep;
426 info->status = current_run_state;
427
428 return info;
429 }
430
431 /***********************************************************/
432 /* real time host monotonic timer */
433
434 /***********************************************************/
435 /* host time/date access */
436 void qemu_get_timedate(struct tm *tm, int offset)
437 {
438 time_t ti;
439 struct tm *ret;
440
441 time(&ti);
442 ti += offset;
443 if (rtc_date_offset == -1) {
444 if (rtc_utc)
445 ret = gmtime(&ti);
446 else
447 ret = localtime(&ti);
448 } else {
449 ti -= rtc_date_offset;
450 ret = gmtime(&ti);
451 }
452
453 memcpy(tm, ret, sizeof(struct tm));
454 }
455
456 int qemu_timedate_diff(struct tm *tm)
457 {
458 time_t seconds;
459
460 if (rtc_date_offset == -1)
461 if (rtc_utc)
462 seconds = mktimegm(tm);
463 else {
464 struct tm tmp = *tm;
465 tmp.tm_isdst = -1; /* use timezone to figure it out */
466 seconds = mktime(&tmp);
467 }
468 else
469 seconds = mktimegm(tm) + rtc_date_offset;
470
471 return seconds - time(NULL);
472 }
473
474 void rtc_change_mon_event(struct tm *tm)
475 {
476 QObject *data;
477
478 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
479 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
480 qobject_decref(data);
481 }
482
483 static void configure_rtc_date_offset(const char *startdate, int legacy)
484 {
485 time_t rtc_start_date;
486 struct tm tm;
487
488 if (!strcmp(startdate, "now") && legacy) {
489 rtc_date_offset = -1;
490 } else {
491 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
492 &tm.tm_year,
493 &tm.tm_mon,
494 &tm.tm_mday,
495 &tm.tm_hour,
496 &tm.tm_min,
497 &tm.tm_sec) == 6) {
498 /* OK */
499 } else if (sscanf(startdate, "%d-%d-%d",
500 &tm.tm_year,
501 &tm.tm_mon,
502 &tm.tm_mday) == 3) {
503 tm.tm_hour = 0;
504 tm.tm_min = 0;
505 tm.tm_sec = 0;
506 } else {
507 goto date_fail;
508 }
509 tm.tm_year -= 1900;
510 tm.tm_mon--;
511 rtc_start_date = mktimegm(&tm);
512 if (rtc_start_date == -1) {
513 date_fail:
514 fprintf(stderr, "Invalid date format. Valid formats are:\n"
515 "'2006-06-17T16:01:21' or '2006-06-17'\n");
516 exit(1);
517 }
518 rtc_date_offset = time(NULL) - rtc_start_date;
519 }
520 }
521
522 static void configure_rtc(QemuOpts *opts)
523 {
524 const char *value;
525
526 value = qemu_opt_get(opts, "base");
527 if (value) {
528 if (!strcmp(value, "utc")) {
529 rtc_utc = 1;
530 } else if (!strcmp(value, "localtime")) {
531 rtc_utc = 0;
532 } else {
533 configure_rtc_date_offset(value, 0);
534 }
535 }
536 value = qemu_opt_get(opts, "clock");
537 if (value) {
538 if (!strcmp(value, "host")) {
539 rtc_clock = host_clock;
540 } else if (!strcmp(value, "vm")) {
541 rtc_clock = vm_clock;
542 } else {
543 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
544 exit(1);
545 }
546 }
547 value = qemu_opt_get(opts, "driftfix");
548 if (value) {
549 if (!strcmp(value, "slew")) {
550 rtc_td_hack = 1;
551 } else if (!strcmp(value, "none")) {
552 rtc_td_hack = 0;
553 } else {
554 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
555 exit(1);
556 }
557 }
558 }
559
560 /***********************************************************/
561 /* Bluetooth support */
562 static int nb_hcis;
563 static int cur_hci;
564 static struct HCIInfo *hci_table[MAX_NICS];
565
566 static struct bt_vlan_s {
567 struct bt_scatternet_s net;
568 int id;
569 struct bt_vlan_s *next;
570 } *first_bt_vlan;
571
572 /* find or alloc a new bluetooth "VLAN" */
573 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
574 {
575 struct bt_vlan_s **pvlan, *vlan;
576 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
577 if (vlan->id == id)
578 return &vlan->net;
579 }
580 vlan = g_malloc0(sizeof(struct bt_vlan_s));
581 vlan->id = id;
582 pvlan = &first_bt_vlan;
583 while (*pvlan != NULL)
584 pvlan = &(*pvlan)->next;
585 *pvlan = vlan;
586 return &vlan->net;
587 }
588
589 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
590 {
591 }
592
593 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
594 {
595 return -ENOTSUP;
596 }
597
598 static struct HCIInfo null_hci = {
599 .cmd_send = null_hci_send,
600 .sco_send = null_hci_send,
601 .acl_send = null_hci_send,
602 .bdaddr_set = null_hci_addr_set,
603 };
604
605 struct HCIInfo *qemu_next_hci(void)
606 {
607 if (cur_hci == nb_hcis)
608 return &null_hci;
609
610 return hci_table[cur_hci++];
611 }
612
613 static struct HCIInfo *hci_init(const char *str)
614 {
615 char *endp;
616 struct bt_scatternet_s *vlan = 0;
617
618 if (!strcmp(str, "null"))
619 /* null */
620 return &null_hci;
621 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
622 /* host[:hciN] */
623 return bt_host_hci(str[4] ? str + 5 : "hci0");
624 else if (!strncmp(str, "hci", 3)) {
625 /* hci[,vlan=n] */
626 if (str[3]) {
627 if (!strncmp(str + 3, ",vlan=", 6)) {
628 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
629 if (*endp)
630 vlan = 0;
631 }
632 } else
633 vlan = qemu_find_bt_vlan(0);
634 if (vlan)
635 return bt_new_hci(vlan);
636 }
637
638 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
639
640 return 0;
641 }
642
643 static int bt_hci_parse(const char *str)
644 {
645 struct HCIInfo *hci;
646 bdaddr_t bdaddr;
647
648 if (nb_hcis >= MAX_NICS) {
649 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
650 return -1;
651 }
652
653 hci = hci_init(str);
654 if (!hci)
655 return -1;
656
657 bdaddr.b[0] = 0x52;
658 bdaddr.b[1] = 0x54;
659 bdaddr.b[2] = 0x00;
660 bdaddr.b[3] = 0x12;
661 bdaddr.b[4] = 0x34;
662 bdaddr.b[5] = 0x56 + nb_hcis;
663 hci->bdaddr_set(hci, bdaddr.b);
664
665 hci_table[nb_hcis++] = hci;
666
667 return 0;
668 }
669
670 static void bt_vhci_add(int vlan_id)
671 {
672 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
673
674 if (!vlan->slave)
675 fprintf(stderr, "qemu: warning: adding a VHCI to "
676 "an empty scatternet %i\n", vlan_id);
677
678 bt_vhci_init(bt_new_hci(vlan));
679 }
680
681 static struct bt_device_s *bt_device_add(const char *opt)
682 {
683 struct bt_scatternet_s *vlan;
684 int vlan_id = 0;
685 char *endp = strstr(opt, ",vlan=");
686 int len = (endp ? endp - opt : strlen(opt)) + 1;
687 char devname[10];
688
689 pstrcpy(devname, MIN(sizeof(devname), len), opt);
690
691 if (endp) {
692 vlan_id = strtol(endp + 6, &endp, 0);
693 if (*endp) {
694 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
695 return 0;
696 }
697 }
698
699 vlan = qemu_find_bt_vlan(vlan_id);
700
701 if (!vlan->slave)
702 fprintf(stderr, "qemu: warning: adding a slave device to "
703 "an empty scatternet %i\n", vlan_id);
704
705 if (!strcmp(devname, "keyboard"))
706 return bt_keyboard_init(vlan);
707
708 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
709 return 0;
710 }
711
712 static int bt_parse(const char *opt)
713 {
714 const char *endp, *p;
715 int vlan;
716
717 if (strstart(opt, "hci", &endp)) {
718 if (!*endp || *endp == ',') {
719 if (*endp)
720 if (!strstart(endp, ",vlan=", 0))
721 opt = endp + 1;
722
723 return bt_hci_parse(opt);
724 }
725 } else if (strstart(opt, "vhci", &endp)) {
726 if (!*endp || *endp == ',') {
727 if (*endp) {
728 if (strstart(endp, ",vlan=", &p)) {
729 vlan = strtol(p, (char **) &endp, 0);
730 if (*endp) {
731 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
732 return 1;
733 }
734 } else {
735 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
736 return 1;
737 }
738 } else
739 vlan = 0;
740
741 bt_vhci_add(vlan);
742 return 0;
743 }
744 } else if (strstart(opt, "device:", &endp))
745 return !bt_device_add(endp);
746
747 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
748 return 1;
749 }
750
751 /***********************************************************/
752 /* QEMU Block devices */
753
754 #define HD_OPTS "media=disk"
755 #define CDROM_OPTS "media=cdrom"
756 #define FD_OPTS ""
757 #define PFLASH_OPTS ""
758 #define MTD_OPTS ""
759 #define SD_OPTS ""
760
761 static int drive_init_func(QemuOpts *opts, void *opaque)
762 {
763 int *use_scsi = opaque;
764
765 return drive_init(opts, *use_scsi) == NULL;
766 }
767
768 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
769 {
770 if (NULL == qemu_opt_get(opts, "snapshot")) {
771 qemu_opt_set(opts, "snapshot", "on");
772 }
773 return 0;
774 }
775
776 static void default_drive(int enable, int snapshot, int use_scsi,
777 BlockInterfaceType type, int index,
778 const char *optstr)
779 {
780 QemuOpts *opts;
781
782 if (type == IF_DEFAULT) {
783 type = use_scsi ? IF_SCSI : IF_IDE;
784 }
785
786 if (!enable || drive_get_by_index(type, index)) {
787 return;
788 }
789
790 opts = drive_add(type, index, NULL, optstr);
791 if (snapshot) {
792 drive_enable_snapshot(opts, NULL);
793 }
794 if (!drive_init(opts, use_scsi)) {
795 exit(1);
796 }
797 }
798
799 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
800 {
801 boot_set_handler = func;
802 boot_set_opaque = opaque;
803 }
804
805 int qemu_boot_set(const char *boot_devices)
806 {
807 if (!boot_set_handler) {
808 return -EINVAL;
809 }
810 return boot_set_handler(boot_set_opaque, boot_devices);
811 }
812
813 static void validate_bootdevices(char *devices)
814 {
815 /* We just do some generic consistency checks */
816 const char *p;
817 int bitmap = 0;
818
819 for (p = devices; *p != '\0'; p++) {
820 /* Allowed boot devices are:
821 * a-b: floppy disk drives
822 * c-f: IDE disk drives
823 * g-m: machine implementation dependent drives
824 * n-p: network devices
825 * It's up to each machine implementation to check if the given boot
826 * devices match the actual hardware implementation and firmware
827 * features.
828 */
829 if (*p < 'a' || *p > 'p') {
830 fprintf(stderr, "Invalid boot device '%c'\n", *p);
831 exit(1);
832 }
833 if (bitmap & (1 << (*p - 'a'))) {
834 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
835 exit(1);
836 }
837 bitmap |= 1 << (*p - 'a');
838 }
839 }
840
841 static void restore_boot_devices(void *opaque)
842 {
843 char *standard_boot_devices = opaque;
844 static int first = 1;
845
846 /* Restore boot order and remove ourselves after the first boot */
847 if (first) {
848 first = 0;
849 return;
850 }
851
852 qemu_boot_set(standard_boot_devices);
853
854 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
855 g_free(standard_boot_devices);
856 }
857
858 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
859 const char *suffix)
860 {
861 FWBootEntry *node, *i;
862
863 if (bootindex < 0) {
864 return;
865 }
866
867 assert(dev != NULL || suffix != NULL);
868
869 node = g_malloc0(sizeof(FWBootEntry));
870 node->bootindex = bootindex;
871 node->suffix = suffix ? g_strdup(suffix) : NULL;
872 node->dev = dev;
873
874 QTAILQ_FOREACH(i, &fw_boot_order, link) {
875 if (i->bootindex == bootindex) {
876 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
877 exit(1);
878 } else if (i->bootindex < bootindex) {
879 continue;
880 }
881 QTAILQ_INSERT_BEFORE(i, node, link);
882 return;
883 }
884 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
885 }
886
887 /*
888 * This function returns null terminated string that consist of new line
889 * separated device paths.
890 *
891 * memory pointed by "size" is assigned total length of the array in bytes
892 *
893 */
894 char *get_boot_devices_list(uint32_t *size)
895 {
896 FWBootEntry *i;
897 uint32_t total = 0;
898 char *list = NULL;
899
900 QTAILQ_FOREACH(i, &fw_boot_order, link) {
901 char *devpath = NULL, *bootpath;
902 int len;
903
904 if (i->dev) {
905 devpath = qdev_get_fw_dev_path(i->dev);
906 assert(devpath);
907 }
908
909 if (i->suffix && devpath) {
910 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
911
912 bootpath = g_malloc(bootpathlen);
913 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
914 g_free(devpath);
915 } else if (devpath) {
916 bootpath = devpath;
917 } else {
918 assert(i->suffix);
919 bootpath = g_strdup(i->suffix);
920 }
921
922 if (total) {
923 list[total-1] = '\n';
924 }
925 len = strlen(bootpath) + 1;
926 list = g_realloc(list, total + len);
927 memcpy(&list[total], bootpath, len);
928 total += len;
929 g_free(bootpath);
930 }
931
932 *size = total;
933
934 return list;
935 }
936
937 static void numa_add(const char *optarg)
938 {
939 char option[128];
940 char *endptr;
941 unsigned long long value, endvalue;
942 int nodenr;
943
944 optarg = get_opt_name(option, 128, optarg, ',') + 1;
945 if (!strcmp(option, "node")) {
946 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
947 nodenr = nb_numa_nodes;
948 } else {
949 nodenr = strtoull(option, NULL, 10);
950 }
951
952 if (get_param_value(option, 128, "mem", optarg) == 0) {
953 node_mem[nodenr] = 0;
954 } else {
955 int64_t sval;
956 sval = strtosz(option, &endptr);
957 if (sval < 0 || *endptr) {
958 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
959 exit(1);
960 }
961 node_mem[nodenr] = sval;
962 }
963 if (get_param_value(option, 128, "cpus", optarg) == 0) {
964 node_cpumask[nodenr] = 0;
965 } else {
966 value = strtoull(option, &endptr, 10);
967 if (value >= 64) {
968 value = 63;
969 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
970 } else {
971 if (*endptr == '-') {
972 endvalue = strtoull(endptr+1, &endptr, 10);
973 if (endvalue >= 63) {
974 endvalue = 62;
975 fprintf(stderr,
976 "only 63 CPUs in NUMA mode supported.\n");
977 }
978 value = (2ULL << endvalue) - (1ULL << value);
979 } else {
980 value = 1ULL << value;
981 }
982 }
983 node_cpumask[nodenr] = value;
984 }
985 nb_numa_nodes++;
986 }
987 return;
988 }
989
990 static void smp_parse(const char *optarg)
991 {
992 int smp, sockets = 0, threads = 0, cores = 0;
993 char *endptr;
994 char option[128];
995
996 smp = strtoul(optarg, &endptr, 10);
997 if (endptr != optarg) {
998 if (*endptr == ',') {
999 endptr++;
1000 }
1001 }
1002 if (get_param_value(option, 128, "sockets", endptr) != 0)
1003 sockets = strtoull(option, NULL, 10);
1004 if (get_param_value(option, 128, "cores", endptr) != 0)
1005 cores = strtoull(option, NULL, 10);
1006 if (get_param_value(option, 128, "threads", endptr) != 0)
1007 threads = strtoull(option, NULL, 10);
1008 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1009 max_cpus = strtoull(option, NULL, 10);
1010
1011 /* compute missing values, prefer sockets over cores over threads */
1012 if (smp == 0 || sockets == 0) {
1013 sockets = sockets > 0 ? sockets : 1;
1014 cores = cores > 0 ? cores : 1;
1015 threads = threads > 0 ? threads : 1;
1016 if (smp == 0) {
1017 smp = cores * threads * sockets;
1018 }
1019 } else {
1020 if (cores == 0) {
1021 threads = threads > 0 ? threads : 1;
1022 cores = smp / (sockets * threads);
1023 } else {
1024 threads = smp / (cores * sockets);
1025 }
1026 }
1027 smp_cpus = smp;
1028 smp_cores = cores > 0 ? cores : 1;
1029 smp_threads = threads > 0 ? threads : 1;
1030 if (max_cpus == 0)
1031 max_cpus = smp_cpus;
1032 }
1033
1034 /***********************************************************/
1035 /* USB devices */
1036
1037 static int usb_device_add(const char *devname)
1038 {
1039 const char *p;
1040 USBDevice *dev = NULL;
1041
1042 if (!usb_enabled)
1043 return -1;
1044
1045 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1046 dev = usbdevice_create(devname);
1047 if (dev)
1048 goto done;
1049
1050 /* the other ones */
1051 #ifndef CONFIG_LINUX
1052 /* only the linux version is qdev-ified, usb-bsd still needs this */
1053 if (strstart(devname, "host:", &p)) {
1054 dev = usb_host_device_open(p);
1055 } else
1056 #endif
1057 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1058 dev = usb_bt_init(devname[2] ? hci_init(p) :
1059 bt_new_hci(qemu_find_bt_vlan(0)));
1060 } else {
1061 return -1;
1062 }
1063 if (!dev)
1064 return -1;
1065
1066 done:
1067 return 0;
1068 }
1069
1070 static int usb_device_del(const char *devname)
1071 {
1072 int bus_num, addr;
1073 const char *p;
1074
1075 if (strstart(devname, "host:", &p))
1076 return usb_host_device_close(p);
1077
1078 if (!usb_enabled)
1079 return -1;
1080
1081 p = strchr(devname, '.');
1082 if (!p)
1083 return -1;
1084 bus_num = strtoul(devname, NULL, 0);
1085 addr = strtoul(p + 1, NULL, 0);
1086
1087 return usb_device_delete_addr(bus_num, addr);
1088 }
1089
1090 static int usb_parse(const char *cmdline)
1091 {
1092 int r;
1093 r = usb_device_add(cmdline);
1094 if (r < 0) {
1095 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1096 }
1097 return r;
1098 }
1099
1100 void do_usb_add(Monitor *mon, const QDict *qdict)
1101 {
1102 const char *devname = qdict_get_str(qdict, "devname");
1103 if (usb_device_add(devname) < 0) {
1104 error_report("could not add USB device '%s'", devname);
1105 }
1106 }
1107
1108 void do_usb_del(Monitor *mon, const QDict *qdict)
1109 {
1110 const char *devname = qdict_get_str(qdict, "devname");
1111 if (usb_device_del(devname) < 0) {
1112 error_report("could not delete USB device '%s'", devname);
1113 }
1114 }
1115
1116 /***********************************************************/
1117 /* PCMCIA/Cardbus */
1118
1119 static struct pcmcia_socket_entry_s {
1120 PCMCIASocket *socket;
1121 struct pcmcia_socket_entry_s *next;
1122 } *pcmcia_sockets = 0;
1123
1124 void pcmcia_socket_register(PCMCIASocket *socket)
1125 {
1126 struct pcmcia_socket_entry_s *entry;
1127
1128 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1129 entry->socket = socket;
1130 entry->next = pcmcia_sockets;
1131 pcmcia_sockets = entry;
1132 }
1133
1134 void pcmcia_socket_unregister(PCMCIASocket *socket)
1135 {
1136 struct pcmcia_socket_entry_s *entry, **ptr;
1137
1138 ptr = &pcmcia_sockets;
1139 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1140 if (entry->socket == socket) {
1141 *ptr = entry->next;
1142 g_free(entry);
1143 }
1144 }
1145
1146 void pcmcia_info(Monitor *mon)
1147 {
1148 struct pcmcia_socket_entry_s *iter;
1149
1150 if (!pcmcia_sockets)
1151 monitor_printf(mon, "No PCMCIA sockets\n");
1152
1153 for (iter = pcmcia_sockets; iter; iter = iter->next)
1154 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1155 iter->socket->attached ? iter->socket->card_string :
1156 "Empty");
1157 }
1158
1159 /***********************************************************/
1160 /* machine registration */
1161
1162 static QEMUMachine *first_machine = NULL;
1163 QEMUMachine *current_machine = NULL;
1164
1165 int qemu_register_machine(QEMUMachine *m)
1166 {
1167 QEMUMachine **pm;
1168 pm = &first_machine;
1169 while (*pm != NULL)
1170 pm = &(*pm)->next;
1171 m->next = NULL;
1172 *pm = m;
1173 return 0;
1174 }
1175
1176 static QEMUMachine *find_machine(const char *name)
1177 {
1178 QEMUMachine *m;
1179
1180 for(m = first_machine; m != NULL; m = m->next) {
1181 if (!strcmp(m->name, name))
1182 return m;
1183 if (m->alias && !strcmp(m->alias, name))
1184 return m;
1185 }
1186 return NULL;
1187 }
1188
1189 static QEMUMachine *find_default_machine(void)
1190 {
1191 QEMUMachine *m;
1192
1193 for(m = first_machine; m != NULL; m = m->next) {
1194 if (m->is_default) {
1195 return m;
1196 }
1197 }
1198 return NULL;
1199 }
1200
1201 /***********************************************************/
1202 /* main execution loop */
1203
1204 static void gui_update(void *opaque)
1205 {
1206 uint64_t interval = GUI_REFRESH_INTERVAL;
1207 DisplayState *ds = opaque;
1208 DisplayChangeListener *dcl = ds->listeners;
1209
1210 dpy_refresh(ds);
1211
1212 while (dcl != NULL) {
1213 if (dcl->gui_timer_interval &&
1214 dcl->gui_timer_interval < interval)
1215 interval = dcl->gui_timer_interval;
1216 dcl = dcl->next;
1217 }
1218 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1219 }
1220
1221 struct vm_change_state_entry {
1222 VMChangeStateHandler *cb;
1223 void *opaque;
1224 QLIST_ENTRY (vm_change_state_entry) entries;
1225 };
1226
1227 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1228
1229 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1230 void *opaque)
1231 {
1232 VMChangeStateEntry *e;
1233
1234 e = g_malloc0(sizeof (*e));
1235
1236 e->cb = cb;
1237 e->opaque = opaque;
1238 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1239 return e;
1240 }
1241
1242 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1243 {
1244 QLIST_REMOVE (e, entries);
1245 g_free (e);
1246 }
1247
1248 void vm_state_notify(int running, RunState state)
1249 {
1250 VMChangeStateEntry *e;
1251
1252 trace_vm_state_notify(running, state);
1253
1254 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1255 e->cb(e->opaque, running, state);
1256 }
1257 }
1258
1259 void vm_start(void)
1260 {
1261 if (!runstate_is_running()) {
1262 cpu_enable_ticks();
1263 runstate_set(RUN_STATE_RUNNING);
1264 vm_state_notify(1, RUN_STATE_RUNNING);
1265 resume_all_vcpus();
1266 monitor_protocol_event(QEVENT_RESUME, NULL);
1267 }
1268 }
1269
1270 /* reset/shutdown handler */
1271
1272 typedef struct QEMUResetEntry {
1273 QTAILQ_ENTRY(QEMUResetEntry) entry;
1274 QEMUResetHandler *func;
1275 void *opaque;
1276 } QEMUResetEntry;
1277
1278 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1279 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1280 static int reset_requested;
1281 static int shutdown_requested, shutdown_signal = -1;
1282 static pid_t shutdown_pid;
1283 static int powerdown_requested;
1284 static int debug_requested;
1285 static RunState vmstop_requested = RUN_STATE_MAX;
1286
1287 int qemu_shutdown_requested_get(void)
1288 {
1289 return shutdown_requested;
1290 }
1291
1292 int qemu_reset_requested_get(void)
1293 {
1294 return reset_requested;
1295 }
1296
1297 int qemu_shutdown_requested(void)
1298 {
1299 int r = shutdown_requested;
1300 shutdown_requested = 0;
1301 return r;
1302 }
1303
1304 void qemu_kill_report(void)
1305 {
1306 if (shutdown_signal != -1) {
1307 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1308 if (shutdown_pid == 0) {
1309 /* This happens for eg ^C at the terminal, so it's worth
1310 * avoiding printing an odd message in that case.
1311 */
1312 fputc('\n', stderr);
1313 } else {
1314 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1315 }
1316 shutdown_signal = -1;
1317 }
1318 }
1319
1320 int qemu_reset_requested(void)
1321 {
1322 int r = reset_requested;
1323 reset_requested = 0;
1324 return r;
1325 }
1326
1327 int qemu_powerdown_requested(void)
1328 {
1329 int r = powerdown_requested;
1330 powerdown_requested = 0;
1331 return r;
1332 }
1333
1334 static int qemu_debug_requested(void)
1335 {
1336 int r = debug_requested;
1337 debug_requested = 0;
1338 return r;
1339 }
1340
1341 /* We use RUN_STATE_MAX but any invalid value will do */
1342 static bool qemu_vmstop_requested(RunState *r)
1343 {
1344 if (vmstop_requested < RUN_STATE_MAX) {
1345 *r = vmstop_requested;
1346 vmstop_requested = RUN_STATE_MAX;
1347 return true;
1348 }
1349
1350 return false;
1351 }
1352
1353 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1354 {
1355 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1356
1357 re->func = func;
1358 re->opaque = opaque;
1359 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1360 }
1361
1362 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1363 {
1364 QEMUResetEntry *re;
1365
1366 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1367 if (re->func == func && re->opaque == opaque) {
1368 QTAILQ_REMOVE(&reset_handlers, re, entry);
1369 g_free(re);
1370 return;
1371 }
1372 }
1373 }
1374
1375 void qemu_system_reset(bool report)
1376 {
1377 QEMUResetEntry *re, *nre;
1378
1379 /* reset all devices */
1380 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1381 re->func(re->opaque);
1382 }
1383 if (report) {
1384 monitor_protocol_event(QEVENT_RESET, NULL);
1385 }
1386 cpu_synchronize_all_post_reset();
1387 }
1388
1389 void qemu_system_reset_request(void)
1390 {
1391 if (no_reboot) {
1392 shutdown_requested = 1;
1393 } else {
1394 reset_requested = 1;
1395 }
1396 cpu_stop_current();
1397 qemu_notify_event();
1398 }
1399
1400 void qemu_system_killed(int signal, pid_t pid)
1401 {
1402 shutdown_signal = signal;
1403 shutdown_pid = pid;
1404 no_shutdown = 0;
1405 qemu_system_shutdown_request();
1406 }
1407
1408 void qemu_system_shutdown_request(void)
1409 {
1410 shutdown_requested = 1;
1411 qemu_notify_event();
1412 }
1413
1414 void qemu_system_powerdown_request(void)
1415 {
1416 powerdown_requested = 1;
1417 qemu_notify_event();
1418 }
1419
1420 void qemu_system_debug_request(void)
1421 {
1422 debug_requested = 1;
1423 qemu_notify_event();
1424 }
1425
1426 void qemu_system_vmstop_request(RunState state)
1427 {
1428 vmstop_requested = state;
1429 qemu_notify_event();
1430 }
1431
1432 qemu_irq qemu_system_powerdown;
1433
1434 static bool main_loop_should_exit(void)
1435 {
1436 RunState r;
1437 if (qemu_debug_requested()) {
1438 vm_stop(RUN_STATE_DEBUG);
1439 }
1440 if (qemu_shutdown_requested()) {
1441 qemu_kill_report();
1442 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1443 if (no_shutdown) {
1444 vm_stop(RUN_STATE_SHUTDOWN);
1445 } else {
1446 return true;
1447 }
1448 }
1449 if (qemu_reset_requested()) {
1450 pause_all_vcpus();
1451 cpu_synchronize_all_states();
1452 qemu_system_reset(VMRESET_REPORT);
1453 resume_all_vcpus();
1454 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1455 runstate_check(RUN_STATE_SHUTDOWN)) {
1456 runstate_set(RUN_STATE_PAUSED);
1457 }
1458 }
1459 if (qemu_powerdown_requested()) {
1460 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1461 qemu_irq_raise(qemu_system_powerdown);
1462 }
1463 if (qemu_vmstop_requested(&r)) {
1464 vm_stop(r);
1465 }
1466 return false;
1467 }
1468
1469 static void main_loop(void)
1470 {
1471 bool nonblocking;
1472 int last_io = 0;
1473 #ifdef CONFIG_PROFILER
1474 int64_t ti;
1475 #endif
1476 do {
1477 nonblocking = !kvm_enabled() && last_io > 0;
1478 #ifdef CONFIG_PROFILER
1479 ti = profile_getclock();
1480 #endif
1481 last_io = main_loop_wait(nonblocking);
1482 #ifdef CONFIG_PROFILER
1483 dev_time += profile_getclock() - ti;
1484 #endif
1485 } while (!main_loop_should_exit());
1486 }
1487
1488 static void version(void)
1489 {
1490 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1491 }
1492
1493 static void help(int exitcode)
1494 {
1495 version();
1496 printf("usage: %s [options] [disk_image]\n\n"
1497 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1498 error_get_progname());
1499
1500 #define QEMU_OPTIONS_GENERATE_HELP
1501 #include "qemu-options-wrapper.h"
1502
1503 printf("\nDuring emulation, the following keys are useful:\n"
1504 "ctrl-alt-f toggle full screen\n"
1505 "ctrl-alt-n switch to virtual console 'n'\n"
1506 "ctrl-alt toggle mouse and keyboard grab\n"
1507 "\n"
1508 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1509
1510 exit(exitcode);
1511 }
1512
1513 #define HAS_ARG 0x0001
1514
1515 typedef struct QEMUOption {
1516 const char *name;
1517 int flags;
1518 int index;
1519 uint32_t arch_mask;
1520 } QEMUOption;
1521
1522 static const QEMUOption qemu_options[] = {
1523 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1524 #define QEMU_OPTIONS_GENERATE_OPTIONS
1525 #include "qemu-options-wrapper.h"
1526 { NULL },
1527 };
1528 static void select_vgahw (const char *p)
1529 {
1530 const char *opts;
1531
1532 default_vga = 0;
1533 vga_interface_type = VGA_NONE;
1534 if (strstart(p, "std", &opts)) {
1535 vga_interface_type = VGA_STD;
1536 } else if (strstart(p, "cirrus", &opts)) {
1537 vga_interface_type = VGA_CIRRUS;
1538 } else if (strstart(p, "vmware", &opts)) {
1539 vga_interface_type = VGA_VMWARE;
1540 } else if (strstart(p, "xenfb", &opts)) {
1541 vga_interface_type = VGA_XENFB;
1542 } else if (strstart(p, "qxl", &opts)) {
1543 vga_interface_type = VGA_QXL;
1544 } else if (!strstart(p, "none", &opts)) {
1545 invalid_vga:
1546 fprintf(stderr, "Unknown vga type: %s\n", p);
1547 exit(1);
1548 }
1549 while (*opts) {
1550 const char *nextopt;
1551
1552 if (strstart(opts, ",retrace=", &nextopt)) {
1553 opts = nextopt;
1554 if (strstart(opts, "dumb", &nextopt))
1555 vga_retrace_method = VGA_RETRACE_DUMB;
1556 else if (strstart(opts, "precise", &nextopt))
1557 vga_retrace_method = VGA_RETRACE_PRECISE;
1558 else goto invalid_vga;
1559 } else goto invalid_vga;
1560 opts = nextopt;
1561 }
1562 }
1563
1564 static DisplayType select_display(const char *p)
1565 {
1566 const char *opts;
1567 DisplayType display = DT_DEFAULT;
1568
1569 if (strstart(p, "sdl", &opts)) {
1570 #ifdef CONFIG_SDL
1571 display = DT_SDL;
1572 while (*opts) {
1573 const char *nextopt;
1574
1575 if (strstart(opts, ",frame=", &nextopt)) {
1576 opts = nextopt;
1577 if (strstart(opts, "on", &nextopt)) {
1578 no_frame = 0;
1579 } else if (strstart(opts, "off", &nextopt)) {
1580 no_frame = 1;
1581 } else {
1582 goto invalid_sdl_args;
1583 }
1584 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1585 opts = nextopt;
1586 if (strstart(opts, "on", &nextopt)) {
1587 alt_grab = 1;
1588 } else if (strstart(opts, "off", &nextopt)) {
1589 alt_grab = 0;
1590 } else {
1591 goto invalid_sdl_args;
1592 }
1593 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1594 opts = nextopt;
1595 if (strstart(opts, "on", &nextopt)) {
1596 ctrl_grab = 1;
1597 } else if (strstart(opts, "off", &nextopt)) {
1598 ctrl_grab = 0;
1599 } else {
1600 goto invalid_sdl_args;
1601 }
1602 } else if (strstart(opts, ",window_close=", &nextopt)) {
1603 opts = nextopt;
1604 if (strstart(opts, "on", &nextopt)) {
1605 no_quit = 0;
1606 } else if (strstart(opts, "off", &nextopt)) {
1607 no_quit = 1;
1608 } else {
1609 goto invalid_sdl_args;
1610 }
1611 } else {
1612 invalid_sdl_args:
1613 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1614 exit(1);
1615 }
1616 opts = nextopt;
1617 }
1618 #else
1619 fprintf(stderr, "SDL support is disabled\n");
1620 exit(1);
1621 #endif
1622 } else if (strstart(p, "vnc", &opts)) {
1623 #ifdef CONFIG_VNC
1624 display_remote++;
1625
1626 if (*opts) {
1627 const char *nextopt;
1628
1629 if (strstart(opts, "=", &nextopt)) {
1630 vnc_display = nextopt;
1631 }
1632 }
1633 if (!vnc_display) {
1634 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1635 exit(1);
1636 }
1637 #else
1638 fprintf(stderr, "VNC support is disabled\n");
1639 exit(1);
1640 #endif
1641 } else if (strstart(p, "curses", &opts)) {
1642 #ifdef CONFIG_CURSES
1643 display = DT_CURSES;
1644 #else
1645 fprintf(stderr, "Curses support is disabled\n");
1646 exit(1);
1647 #endif
1648 } else if (strstart(p, "none", &opts)) {
1649 display = DT_NONE;
1650 } else {
1651 fprintf(stderr, "Unknown display type: %s\n", p);
1652 exit(1);
1653 }
1654
1655 return display;
1656 }
1657
1658 static int balloon_parse(const char *arg)
1659 {
1660 QemuOpts *opts;
1661
1662 if (strcmp(arg, "none") == 0) {
1663 return 0;
1664 }
1665
1666 if (!strncmp(arg, "virtio", 6)) {
1667 if (arg[6] == ',') {
1668 /* have params -> parse them */
1669 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1670 if (!opts)
1671 return -1;
1672 } else {
1673 /* create empty opts */
1674 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1675 }
1676 qemu_opt_set(opts, "driver", "virtio-balloon");
1677 return 0;
1678 }
1679
1680 return -1;
1681 }
1682
1683 char *qemu_find_file(int type, const char *name)
1684 {
1685 int len;
1686 const char *subdir;
1687 char *buf;
1688
1689 /* If name contains path separators then try it as a straight path. */
1690 if ((strchr(name, '/') || strchr(name, '\\'))
1691 && access(name, R_OK) == 0) {
1692 return g_strdup(name);
1693 }
1694 switch (type) {
1695 case QEMU_FILE_TYPE_BIOS:
1696 subdir = "";
1697 break;
1698 case QEMU_FILE_TYPE_KEYMAP:
1699 subdir = "keymaps/";
1700 break;
1701 default:
1702 abort();
1703 }
1704 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1705 buf = g_malloc0(len);
1706 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1707 if (access(buf, R_OK)) {
1708 g_free(buf);
1709 return NULL;
1710 }
1711 return buf;
1712 }
1713
1714 static int device_help_func(QemuOpts *opts, void *opaque)
1715 {
1716 return qdev_device_help(opts);
1717 }
1718
1719 static int device_init_func(QemuOpts *opts, void *opaque)
1720 {
1721 DeviceState *dev;
1722
1723 dev = qdev_device_add(opts);
1724 if (!dev)
1725 return -1;
1726 return 0;
1727 }
1728
1729 static int chardev_init_func(QemuOpts *opts, void *opaque)
1730 {
1731 CharDriverState *chr;
1732
1733 chr = qemu_chr_new_from_opts(opts, NULL);
1734 if (!chr)
1735 return -1;
1736 return 0;
1737 }
1738
1739 #ifdef CONFIG_VIRTFS
1740 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1741 {
1742 int ret;
1743 ret = qemu_fsdev_add(opts);
1744
1745 return ret;
1746 }
1747 #endif
1748
1749 static int mon_init_func(QemuOpts *opts, void *opaque)
1750 {
1751 CharDriverState *chr;
1752 const char *chardev;
1753 const char *mode;
1754 int flags;
1755
1756 mode = qemu_opt_get(opts, "mode");
1757 if (mode == NULL) {
1758 mode = "readline";
1759 }
1760 if (strcmp(mode, "readline") == 0) {
1761 flags = MONITOR_USE_READLINE;
1762 } else if (strcmp(mode, "control") == 0) {
1763 flags = MONITOR_USE_CONTROL;
1764 } else {
1765 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1766 exit(1);
1767 }
1768
1769 if (qemu_opt_get_bool(opts, "pretty", 0))
1770 flags |= MONITOR_USE_PRETTY;
1771
1772 if (qemu_opt_get_bool(opts, "default", 0))
1773 flags |= MONITOR_IS_DEFAULT;
1774
1775 chardev = qemu_opt_get(opts, "chardev");
1776 chr = qemu_chr_find(chardev);
1777 if (chr == NULL) {
1778 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1779 exit(1);
1780 }
1781
1782 monitor_init(chr, flags);
1783 return 0;
1784 }
1785
1786 static void monitor_parse(const char *optarg, const char *mode)
1787 {
1788 static int monitor_device_index = 0;
1789 QemuOpts *opts;
1790 const char *p;
1791 char label[32];
1792 int def = 0;
1793
1794 if (strstart(optarg, "chardev:", &p)) {
1795 snprintf(label, sizeof(label), "%s", p);
1796 } else {
1797 snprintf(label, sizeof(label), "compat_monitor%d",
1798 monitor_device_index);
1799 if (monitor_device_index == 0) {
1800 def = 1;
1801 }
1802 opts = qemu_chr_parse_compat(label, optarg);
1803 if (!opts) {
1804 fprintf(stderr, "parse error: %s\n", optarg);
1805 exit(1);
1806 }
1807 }
1808
1809 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1810 if (!opts) {
1811 fprintf(stderr, "duplicate chardev: %s\n", label);
1812 exit(1);
1813 }
1814 qemu_opt_set(opts, "mode", mode);
1815 qemu_opt_set(opts, "chardev", label);
1816 if (def)
1817 qemu_opt_set(opts, "default", "on");
1818 monitor_device_index++;
1819 }
1820
1821 struct device_config {
1822 enum {
1823 DEV_USB, /* -usbdevice */
1824 DEV_BT, /* -bt */
1825 DEV_SERIAL, /* -serial */
1826 DEV_PARALLEL, /* -parallel */
1827 DEV_VIRTCON, /* -virtioconsole */
1828 DEV_DEBUGCON, /* -debugcon */
1829 } type;
1830 const char *cmdline;
1831 QTAILQ_ENTRY(device_config) next;
1832 };
1833 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1834
1835 static void add_device_config(int type, const char *cmdline)
1836 {
1837 struct device_config *conf;
1838
1839 conf = g_malloc0(sizeof(*conf));
1840 conf->type = type;
1841 conf->cmdline = cmdline;
1842 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1843 }
1844
1845 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1846 {
1847 struct device_config *conf;
1848 int rc;
1849
1850 QTAILQ_FOREACH(conf, &device_configs, next) {
1851 if (conf->type != type)
1852 continue;
1853 rc = func(conf->cmdline);
1854 if (0 != rc)
1855 return rc;
1856 }
1857 return 0;
1858 }
1859
1860 static int serial_parse(const char *devname)
1861 {
1862 static int index = 0;
1863 char label[32];
1864
1865 if (strcmp(devname, "none") == 0)
1866 return 0;
1867 if (index == MAX_SERIAL_PORTS) {
1868 fprintf(stderr, "qemu: too many serial ports\n");
1869 exit(1);
1870 }
1871 snprintf(label, sizeof(label), "serial%d", index);
1872 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1873 if (!serial_hds[index]) {
1874 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1875 devname, strerror(errno));
1876 return -1;
1877 }
1878 index++;
1879 return 0;
1880 }
1881
1882 static int parallel_parse(const char *devname)
1883 {
1884 static int index = 0;
1885 char label[32];
1886
1887 if (strcmp(devname, "none") == 0)
1888 return 0;
1889 if (index == MAX_PARALLEL_PORTS) {
1890 fprintf(stderr, "qemu: too many parallel ports\n");
1891 exit(1);
1892 }
1893 snprintf(label, sizeof(label), "parallel%d", index);
1894 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1895 if (!parallel_hds[index]) {
1896 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1897 devname, strerror(errno));
1898 return -1;
1899 }
1900 index++;
1901 return 0;
1902 }
1903
1904 static int virtcon_parse(const char *devname)
1905 {
1906 QemuOptsList *device = qemu_find_opts("device");
1907 static int index = 0;
1908 char label[32];
1909 QemuOpts *bus_opts, *dev_opts;
1910
1911 if (strcmp(devname, "none") == 0)
1912 return 0;
1913 if (index == MAX_VIRTIO_CONSOLES) {
1914 fprintf(stderr, "qemu: too many virtio consoles\n");
1915 exit(1);
1916 }
1917
1918 bus_opts = qemu_opts_create(device, NULL, 0);
1919 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1920
1921 dev_opts = qemu_opts_create(device, NULL, 0);
1922 qemu_opt_set(dev_opts, "driver", "virtconsole");
1923
1924 snprintf(label, sizeof(label), "virtcon%d", index);
1925 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1926 if (!virtcon_hds[index]) {
1927 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1928 devname, strerror(errno));
1929 return -1;
1930 }
1931 qemu_opt_set(dev_opts, "chardev", label);
1932
1933 index++;
1934 return 0;
1935 }
1936
1937 static int debugcon_parse(const char *devname)
1938 {
1939 QemuOpts *opts;
1940
1941 if (!qemu_chr_new("debugcon", devname, NULL)) {
1942 exit(1);
1943 }
1944 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1945 if (!opts) {
1946 fprintf(stderr, "qemu: already have a debugcon device\n");
1947 exit(1);
1948 }
1949 qemu_opt_set(opts, "driver", "isa-debugcon");
1950 qemu_opt_set(opts, "chardev", "debugcon");
1951 return 0;
1952 }
1953
1954 static QEMUMachine *machine_parse(const char *name)
1955 {
1956 QEMUMachine *m, *machine = NULL;
1957
1958 if (name) {
1959 machine = find_machine(name);
1960 }
1961 if (machine) {
1962 return machine;
1963 }
1964 printf("Supported machines are:\n");
1965 for (m = first_machine; m != NULL; m = m->next) {
1966 if (m->alias) {
1967 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1968 }
1969 printf("%-10s %s%s\n", m->name, m->desc,
1970 m->is_default ? " (default)" : "");
1971 }
1972 exit(!name || *name != '?');
1973 }
1974
1975 static int tcg_init(void)
1976 {
1977 tcg_exec_init(tcg_tb_size * 1024 * 1024);
1978 return 0;
1979 }
1980
1981 static struct {
1982 const char *opt_name;
1983 const char *name;
1984 int (*available)(void);
1985 int (*init)(void);
1986 int *allowed;
1987 } accel_list[] = {
1988 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1989 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1990 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1991 };
1992
1993 static int configure_accelerator(void)
1994 {
1995 const char *p = NULL;
1996 char buf[10];
1997 int i, ret;
1998 bool accel_initalised = 0;
1999 bool init_failed = 0;
2000
2001 QemuOptsList *list = qemu_find_opts("machine");
2002 if (!QTAILQ_EMPTY(&list->head)) {
2003 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2004 }
2005
2006 if (p == NULL) {
2007 /* Use the default "accelerator", tcg */
2008 p = "tcg";
2009 }
2010
2011 while (!accel_initalised && *p != '\0') {
2012 if (*p == ':') {
2013 p++;
2014 }
2015 p = get_opt_name(buf, sizeof (buf), p, ':');
2016 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2017 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2018 *(accel_list[i].allowed) = 1;
2019 ret = accel_list[i].init();
2020 if (ret < 0) {
2021 init_failed = 1;
2022 if (!accel_list[i].available()) {
2023 printf("%s not supported for this target\n",
2024 accel_list[i].name);
2025 } else {
2026 fprintf(stderr, "failed to initialize %s: %s\n",
2027 accel_list[i].name,
2028 strerror(-ret));
2029 }
2030 *(accel_list[i].allowed) = 0;
2031 } else {
2032 accel_initalised = 1;
2033 }
2034 break;
2035 }
2036 }
2037 if (i == ARRAY_SIZE(accel_list)) {
2038 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2039 }
2040 }
2041
2042 if (!accel_initalised) {
2043 fprintf(stderr, "No accelerator found!\n");
2044 exit(1);
2045 }
2046
2047 if (init_failed) {
2048 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2049 }
2050
2051 return !accel_initalised;
2052 }
2053
2054 void qemu_add_exit_notifier(Notifier *notify)
2055 {
2056 notifier_list_add(&exit_notifiers, notify);
2057 }
2058
2059 void qemu_remove_exit_notifier(Notifier *notify)
2060 {
2061 notifier_list_remove(&exit_notifiers, notify);
2062 }
2063
2064 static void qemu_run_exit_notifiers(void)
2065 {
2066 notifier_list_notify(&exit_notifiers, NULL);
2067 }
2068
2069 void qemu_add_machine_init_done_notifier(Notifier *notify)
2070 {
2071 notifier_list_add(&machine_init_done_notifiers, notify);
2072 }
2073
2074 static void qemu_run_machine_init_done_notifiers(void)
2075 {
2076 notifier_list_notify(&machine_init_done_notifiers, NULL);
2077 }
2078
2079 static const QEMUOption *lookup_opt(int argc, char **argv,
2080 const char **poptarg, int *poptind)
2081 {
2082 const QEMUOption *popt;
2083 int optind = *poptind;
2084 char *r = argv[optind];
2085 const char *optarg;
2086
2087 loc_set_cmdline(argv, optind, 1);
2088 optind++;
2089 /* Treat --foo the same as -foo. */
2090 if (r[1] == '-')
2091 r++;
2092 popt = qemu_options;
2093 for(;;) {
2094 if (!popt->name) {
2095 error_report("invalid option");
2096 exit(1);
2097 }
2098 if (!strcmp(popt->name, r + 1))
2099 break;
2100 popt++;
2101 }
2102 if (popt->flags & HAS_ARG) {
2103 if (optind >= argc) {
2104 error_report("requires an argument");
2105 exit(1);
2106 }
2107 optarg = argv[optind++];
2108 loc_set_cmdline(argv, optind - 2, 2);
2109 } else {
2110 optarg = NULL;
2111 }
2112
2113 *poptarg = optarg;
2114 *poptind = optind;
2115
2116 return popt;
2117 }
2118
2119 static gpointer malloc_and_trace(gsize n_bytes)
2120 {
2121 void *ptr = malloc(n_bytes);
2122 trace_g_malloc(n_bytes, ptr);
2123 return ptr;
2124 }
2125
2126 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2127 {
2128 void *ptr = realloc(mem, n_bytes);
2129 trace_g_realloc(mem, n_bytes, ptr);
2130 return ptr;
2131 }
2132
2133 static void free_and_trace(gpointer mem)
2134 {
2135 trace_g_free(mem);
2136 free(mem);
2137 }
2138
2139 int main(int argc, char **argv, char **envp)
2140 {
2141 const char *gdbstub_dev = NULL;
2142 int i;
2143 int snapshot, linux_boot;
2144 const char *icount_option = NULL;
2145 const char *initrd_filename;
2146 const char *kernel_filename, *kernel_cmdline;
2147 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2148 DisplayState *ds;
2149 DisplayChangeListener *dcl;
2150 int cyls, heads, secs, translation;
2151 QemuOpts *hda_opts = NULL, *opts;
2152 QemuOptsList *olist;
2153 int optind;
2154 const char *optarg;
2155 const char *loadvm = NULL;
2156 QEMUMachine *machine;
2157 const char *cpu_model;
2158 const char *pid_file = NULL;
2159 const char *incoming = NULL;
2160 #ifdef CONFIG_VNC
2161 int show_vnc_port = 0;
2162 #endif
2163 int defconfig = 1;
2164 const char *log_mask = NULL;
2165 const char *log_file = NULL;
2166 GMemVTable mem_trace = {
2167 .malloc = malloc_and_trace,
2168 .realloc = realloc_and_trace,
2169 .free = free_and_trace,
2170 };
2171 const char *trace_events = NULL;
2172 const char *trace_file = NULL;
2173
2174 atexit(qemu_run_exit_notifiers);
2175 error_set_progname(argv[0]);
2176
2177 g_mem_set_vtable(&mem_trace);
2178 if (!g_thread_supported()) {
2179 #if !GLIB_CHECK_VERSION(2, 31, 0)
2180 g_thread_init(NULL);
2181 #else
2182 fprintf(stderr, "glib threading failed to initialize.\n");
2183 exit(1);
2184 #endif
2185 }
2186
2187 runstate_init();
2188
2189 init_clocks();
2190 rtc_clock = host_clock;
2191
2192 qemu_cache_utils_init(envp);
2193
2194 QLIST_INIT (&vm_change_state_head);
2195 os_setup_early_signal_handling();
2196
2197 module_call_init(MODULE_INIT_MACHINE);
2198 machine = find_default_machine();
2199 cpu_model = NULL;
2200 initrd_filename = NULL;
2201 ram_size = 0;
2202 snapshot = 0;
2203 kernel_filename = NULL;
2204 kernel_cmdline = "";
2205 cyls = heads = secs = 0;
2206 translation = BIOS_ATA_TRANSLATION_AUTO;
2207
2208 for (i = 0; i < MAX_NODES; i++) {
2209 node_mem[i] = 0;
2210 node_cpumask[i] = 0;
2211 }
2212
2213 nb_numa_nodes = 0;
2214 nb_nics = 0;
2215
2216 autostart= 1;
2217
2218 /* first pass of option parsing */
2219 optind = 1;
2220 while (optind < argc) {
2221 if (argv[optind][0] != '-') {
2222 /* disk image */
2223 optind++;
2224 continue;
2225 } else {
2226 const QEMUOption *popt;
2227
2228 popt = lookup_opt(argc, argv, &optarg, &optind);
2229 switch (popt->index) {
2230 case QEMU_OPTION_nodefconfig:
2231 defconfig=0;
2232 break;
2233 }
2234 }
2235 }
2236
2237 if (defconfig) {
2238 int ret;
2239
2240 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2241 if (ret < 0 && ret != -ENOENT) {
2242 exit(1);
2243 }
2244
2245 ret = qemu_read_config_file(arch_config_name);
2246 if (ret < 0 && ret != -ENOENT) {
2247 exit(1);
2248 }
2249 }
2250 cpudef_init();
2251
2252 /* second pass of option parsing */
2253 optind = 1;
2254 for(;;) {
2255 if (optind >= argc)
2256 break;
2257 if (argv[optind][0] != '-') {
2258 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2259 } else {
2260 const QEMUOption *popt;
2261
2262 popt = lookup_opt(argc, argv, &optarg, &optind);
2263 if (!(popt->arch_mask & arch_type)) {
2264 printf("Option %s not supported for this target\n", popt->name);
2265 exit(1);
2266 }
2267 switch(popt->index) {
2268 case QEMU_OPTION_M:
2269 machine = machine_parse(optarg);
2270 break;
2271 case QEMU_OPTION_cpu:
2272 /* hw initialization will check this */
2273 if (*optarg == '?') {
2274 list_cpus(stdout, &fprintf, optarg);
2275 exit(0);
2276 } else {
2277 cpu_model = optarg;
2278 }
2279 break;
2280 case QEMU_OPTION_initrd:
2281 initrd_filename = optarg;
2282 break;
2283 case QEMU_OPTION_hda:
2284 {
2285 char buf[256];
2286 if (cyls == 0)
2287 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2288 else
2289 snprintf(buf, sizeof(buf),
2290 "%s,cyls=%d,heads=%d,secs=%d%s",
2291 HD_OPTS , cyls, heads, secs,
2292 translation == BIOS_ATA_TRANSLATION_LBA ?
2293 ",trans=lba" :
2294 translation == BIOS_ATA_TRANSLATION_NONE ?
2295 ",trans=none" : "");
2296 drive_add(IF_DEFAULT, 0, optarg, buf);
2297 break;
2298 }
2299 case QEMU_OPTION_hdb:
2300 case QEMU_OPTION_hdc:
2301 case QEMU_OPTION_hdd:
2302 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2303 HD_OPTS);
2304 break;
2305 case QEMU_OPTION_drive:
2306 if (drive_def(optarg) == NULL) {
2307 exit(1);
2308 }
2309 break;
2310 case QEMU_OPTION_set:
2311 if (qemu_set_option(optarg) != 0)
2312 exit(1);
2313 break;
2314 case QEMU_OPTION_global:
2315 if (qemu_global_option(optarg) != 0)
2316 exit(1);
2317 break;
2318 case QEMU_OPTION_mtdblock:
2319 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2320 break;
2321 case QEMU_OPTION_sd:
2322 drive_add(IF_SD, 0, optarg, SD_OPTS);
2323 break;
2324 case QEMU_OPTION_pflash:
2325 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2326 break;
2327 case QEMU_OPTION_snapshot:
2328 snapshot = 1;
2329 break;
2330 case QEMU_OPTION_hdachs:
2331 {
2332 const char *p;
2333 p = optarg;
2334 cyls = strtol(p, (char **)&p, 0);
2335 if (cyls < 1 || cyls > 16383)
2336 goto chs_fail;
2337 if (*p != ',')
2338 goto chs_fail;
2339 p++;
2340 heads = strtol(p, (char **)&p, 0);
2341 if (heads < 1 || heads > 16)
2342 goto chs_fail;
2343 if (*p != ',')
2344 goto chs_fail;
2345 p++;
2346 secs = strtol(p, (char **)&p, 0);
2347 if (secs < 1 || secs > 63)
2348 goto chs_fail;
2349 if (*p == ',') {
2350 p++;
2351 if (!strcmp(p, "none"))
2352 translation = BIOS_ATA_TRANSLATION_NONE;
2353 else if (!strcmp(p, "lba"))
2354 translation = BIOS_ATA_TRANSLATION_LBA;
2355 else if (!strcmp(p, "auto"))
2356 translation = BIOS_ATA_TRANSLATION_AUTO;
2357 else
2358 goto chs_fail;
2359 } else if (*p != '\0') {
2360 chs_fail:
2361 fprintf(stderr, "qemu: invalid physical CHS format\n");
2362 exit(1);
2363 }
2364 if (hda_opts != NULL) {
2365 char num[16];
2366 snprintf(num, sizeof(num), "%d", cyls);
2367 qemu_opt_set(hda_opts, "cyls", num);
2368 snprintf(num, sizeof(num), "%d", heads);
2369 qemu_opt_set(hda_opts, "heads", num);
2370 snprintf(num, sizeof(num), "%d", secs);
2371 qemu_opt_set(hda_opts, "secs", num);
2372 if (translation == BIOS_ATA_TRANSLATION_LBA)
2373 qemu_opt_set(hda_opts, "trans", "lba");
2374 if (translation == BIOS_ATA_TRANSLATION_NONE)
2375 qemu_opt_set(hda_opts, "trans", "none");
2376 }
2377 }
2378 break;
2379 case QEMU_OPTION_numa:
2380 if (nb_numa_nodes >= MAX_NODES) {
2381 fprintf(stderr, "qemu: too many NUMA nodes\n");
2382 exit(1);
2383 }
2384 numa_add(optarg);
2385 break;
2386 case QEMU_OPTION_display:
2387 display_type = select_display(optarg);
2388 break;
2389 case QEMU_OPTION_nographic:
2390 display_type = DT_NOGRAPHIC;
2391 break;
2392 case QEMU_OPTION_curses:
2393 #ifdef CONFIG_CURSES
2394 display_type = DT_CURSES;
2395 #else
2396 fprintf(stderr, "Curses support is disabled\n");
2397 exit(1);
2398 #endif
2399 break;
2400 case QEMU_OPTION_portrait:
2401 graphic_rotate = 90;
2402 break;
2403 case QEMU_OPTION_rotate:
2404 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2405 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2406 graphic_rotate != 180 && graphic_rotate != 270) {
2407 fprintf(stderr,
2408 "qemu: only 90, 180, 270 deg rotation is available\n");
2409 exit(1);
2410 }
2411 break;
2412 case QEMU_OPTION_kernel:
2413 kernel_filename = optarg;
2414 break;
2415 case QEMU_OPTION_append:
2416 kernel_cmdline = optarg;
2417 break;
2418 case QEMU_OPTION_cdrom:
2419 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2420 break;
2421 case QEMU_OPTION_boot:
2422 {
2423 static const char * const params[] = {
2424 "order", "once", "menu",
2425 "splash", "splash-time", NULL
2426 };
2427 char buf[sizeof(boot_devices)];
2428 char *standard_boot_devices;
2429 int legacy = 0;
2430
2431 if (!strchr(optarg, '=')) {
2432 legacy = 1;
2433 pstrcpy(buf, sizeof(buf), optarg);
2434 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2435 fprintf(stderr,
2436 "qemu: unknown boot parameter '%s' in '%s'\n",
2437 buf, optarg);
2438 exit(1);
2439 }
2440
2441 if (legacy ||
2442 get_param_value(buf, sizeof(buf), "order", optarg)) {
2443 validate_bootdevices(buf);
2444 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2445 }
2446 if (!legacy) {
2447 if (get_param_value(buf, sizeof(buf),
2448 "once", optarg)) {
2449 validate_bootdevices(buf);
2450 standard_boot_devices = g_strdup(boot_devices);
2451 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2452 qemu_register_reset(restore_boot_devices,
2453 standard_boot_devices);
2454 }
2455 if (get_param_value(buf, sizeof(buf),
2456 "menu", optarg)) {
2457 if (!strcmp(buf, "on")) {
2458 boot_menu = 1;
2459 } else if (!strcmp(buf, "off")) {
2460 boot_menu = 0;
2461 } else {
2462 fprintf(stderr,
2463 "qemu: invalid option value '%s'\n",
2464 buf);
2465 exit(1);
2466 }
2467 }
2468 qemu_opts_parse(qemu_find_opts("boot-opts"),
2469 optarg, 0);
2470 }
2471 }
2472 break;
2473 case QEMU_OPTION_fda:
2474 case QEMU_OPTION_fdb:
2475 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2476 optarg, FD_OPTS);
2477 break;
2478 case QEMU_OPTION_no_fd_bootchk:
2479 fd_bootchk = 0;
2480 break;
2481 case QEMU_OPTION_netdev:
2482 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2483 exit(1);
2484 }
2485 break;
2486 case QEMU_OPTION_net:
2487 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2488 exit(1);
2489 }
2490 break;
2491 #ifdef CONFIG_SLIRP
2492 case QEMU_OPTION_tftp:
2493 legacy_tftp_prefix = optarg;
2494 break;
2495 case QEMU_OPTION_bootp:
2496 legacy_bootp_filename = optarg;
2497 break;
2498 case QEMU_OPTION_redir:
2499 if (net_slirp_redir(optarg) < 0)
2500 exit(1);
2501 break;
2502 #endif
2503 case QEMU_OPTION_bt:
2504 add_device_config(DEV_BT, optarg);
2505 break;
2506 case QEMU_OPTION_audio_help:
2507 if (!(audio_available())) {
2508 printf("Option %s not supported for this target\n", popt->name);
2509 exit(1);
2510 }
2511 AUD_help ();
2512 exit (0);
2513 break;
2514 case QEMU_OPTION_soundhw:
2515 if (!(audio_available())) {
2516 printf("Option %s not supported for this target\n", popt->name);
2517 exit(1);
2518 }
2519 select_soundhw (optarg);
2520 break;
2521 case QEMU_OPTION_h:
2522 help(0);
2523 break;
2524 case QEMU_OPTION_version:
2525 version();
2526 exit(0);
2527 break;
2528 case QEMU_OPTION_m: {
2529 int64_t value;
2530 char *end;
2531
2532 value = strtosz(optarg, &end);
2533 if (value < 0 || *end) {
2534 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2535 exit(1);
2536 }
2537
2538 if (value != (uint64_t)(ram_addr_t)value) {
2539 fprintf(stderr, "qemu: ram size too large\n");
2540 exit(1);
2541 }
2542 ram_size = value;
2543 break;
2544 }
2545 case QEMU_OPTION_mempath:
2546 mem_path = optarg;
2547 break;
2548 #ifdef MAP_POPULATE
2549 case QEMU_OPTION_mem_prealloc:
2550 mem_prealloc = 1;
2551 break;
2552 #endif
2553 case QEMU_OPTION_d:
2554 log_mask = optarg;
2555 break;
2556 case QEMU_OPTION_D:
2557 log_file = optarg;
2558 break;
2559 case QEMU_OPTION_s:
2560 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2561 break;
2562 case QEMU_OPTION_gdb:
2563 gdbstub_dev = optarg;
2564 break;
2565 case QEMU_OPTION_L:
2566 data_dir = optarg;
2567 break;
2568 case QEMU_OPTION_bios:
2569 bios_name = optarg;
2570 break;
2571 case QEMU_OPTION_singlestep:
2572 singlestep = 1;
2573 break;
2574 case QEMU_OPTION_S:
2575 autostart = 0;
2576 break;
2577 case QEMU_OPTION_k:
2578 keyboard_layout = optarg;
2579 break;
2580 case QEMU_OPTION_localtime:
2581 rtc_utc = 0;
2582 break;
2583 case QEMU_OPTION_vga:
2584 select_vgahw (optarg);
2585 break;
2586 case QEMU_OPTION_g:
2587 {
2588 const char *p;
2589 int w, h, depth;
2590 p = optarg;
2591 w = strtol(p, (char **)&p, 10);
2592 if (w <= 0) {
2593 graphic_error:
2594 fprintf(stderr, "qemu: invalid resolution or depth\n");
2595 exit(1);
2596 }
2597 if (*p != 'x')
2598 goto graphic_error;
2599 p++;
2600 h = strtol(p, (char **)&p, 10);
2601 if (h <= 0)
2602 goto graphic_error;
2603 if (*p == 'x') {
2604 p++;
2605 depth = strtol(p, (char **)&p, 10);
2606 if (depth != 8 && depth != 15 && depth != 16 &&
2607 depth != 24 && depth != 32)
2608 goto graphic_error;
2609 } else if (*p == '\0') {
2610 depth = graphic_depth;
2611 } else {
2612 goto graphic_error;
2613 }
2614
2615 graphic_width = w;
2616 graphic_height = h;
2617 graphic_depth = depth;
2618 }
2619 break;
2620 case QEMU_OPTION_echr:
2621 {
2622 char *r;
2623 term_escape_char = strtol(optarg, &r, 0);
2624 if (r == optarg)
2625 printf("Bad argument to echr\n");
2626 break;
2627 }
2628 case QEMU_OPTION_monitor:
2629 monitor_parse(optarg, "readline");
2630 default_monitor = 0;
2631 break;
2632 case QEMU_OPTION_qmp:
2633 monitor_parse(optarg, "control");
2634 default_monitor = 0;
2635 break;
2636 case QEMU_OPTION_mon:
2637 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2638 if (!opts) {
2639 exit(1);
2640 }
2641 default_monitor = 0;
2642 break;
2643 case QEMU_OPTION_chardev:
2644 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2645 if (!opts) {
2646 exit(1);
2647 }
2648 break;
2649 case QEMU_OPTION_fsdev:
2650 olist = qemu_find_opts("fsdev");
2651 if (!olist) {
2652 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2653 exit(1);
2654 }
2655 opts = qemu_opts_parse(olist, optarg, 1);
2656 if (!opts) {
2657 fprintf(stderr, "parse error: %s\n", optarg);
2658 exit(1);
2659 }
2660 break;
2661 case QEMU_OPTION_virtfs: {
2662 QemuOpts *fsdev;
2663 QemuOpts *device;
2664 const char *writeout, *sock_fd, *socket;
2665
2666 olist = qemu_find_opts("virtfs");
2667 if (!olist) {
2668 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2669 exit(1);
2670 }
2671 opts = qemu_opts_parse(olist, optarg, 1);
2672 if (!opts) {
2673 fprintf(stderr, "parse error: %s\n", optarg);
2674 exit(1);
2675 }
2676
2677 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2678 qemu_opt_get(opts, "mount_tag") == NULL) {
2679 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2680 exit(1);
2681 }
2682 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2683 qemu_opt_get(opts, "mount_tag"), 1);
2684 if (!fsdev) {
2685 fprintf(stderr, "duplicate fsdev id: %s\n",
2686 qemu_opt_get(opts, "mount_tag"));
2687 exit(1);
2688 }
2689
2690 writeout = qemu_opt_get(opts, "writeout");
2691 if (writeout) {
2692 #ifdef CONFIG_SYNC_FILE_RANGE
2693 qemu_opt_set(fsdev, "writeout", writeout);
2694 #else
2695 fprintf(stderr, "writeout=immediate not supported on "
2696 "this platform\n");
2697 exit(1);
2698 #endif
2699 }
2700 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2701 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2702 qemu_opt_set(fsdev, "security_model",
2703 qemu_opt_get(opts, "security_model"));
2704 socket = qemu_opt_get(opts, "socket");
2705 if (socket) {
2706 qemu_opt_set(fsdev, "socket", socket);
2707 }
2708 sock_fd = qemu_opt_get(opts, "sock_fd");
2709 if (sock_fd) {
2710 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2711 }
2712
2713 qemu_opt_set_bool(fsdev, "readonly",
2714 qemu_opt_get_bool(opts, "readonly", 0));
2715 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2716 qemu_opt_set(device, "driver", "virtio-9p-pci");
2717 qemu_opt_set(device, "fsdev",
2718 qemu_opt_get(opts, "mount_tag"));
2719 qemu_opt_set(device, "mount_tag",
2720 qemu_opt_get(opts, "mount_tag"));
2721 break;
2722 }
2723 case QEMU_OPTION_virtfs_synth: {
2724 QemuOpts *fsdev;
2725 QemuOpts *device;
2726
2727 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2728 if (!fsdev) {
2729 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2730 exit(1);
2731 }
2732 qemu_opt_set(fsdev, "fsdriver", "synth");
2733
2734 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2735 qemu_opt_set(device, "driver", "virtio-9p-pci");
2736 qemu_opt_set(device, "fsdev", "v_synth");
2737 qemu_opt_set(device, "mount_tag", "v_synth");
2738 break;
2739 }
2740 case QEMU_OPTION_serial:
2741 add_device_config(DEV_SERIAL, optarg);
2742 default_serial = 0;
2743 if (strncmp(optarg, "mon:", 4) == 0) {
2744 default_monitor = 0;
2745 }
2746 break;
2747 case QEMU_OPTION_watchdog:
2748 if (watchdog) {
2749 fprintf(stderr,
2750 "qemu: only one watchdog option may be given\n");
2751 return 1;
2752 }
2753 watchdog = optarg;
2754 break;
2755 case QEMU_OPTION_watchdog_action:
2756 if (select_watchdog_action(optarg) == -1) {
2757 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2758 exit(1);
2759 }
2760 break;
2761 case QEMU_OPTION_virtiocon:
2762 add_device_config(DEV_VIRTCON, optarg);
2763 default_virtcon = 0;
2764 if (strncmp(optarg, "mon:", 4) == 0) {
2765 default_monitor = 0;
2766 }
2767 break;
2768 case QEMU_OPTION_parallel:
2769 add_device_config(DEV_PARALLEL, optarg);
2770 default_parallel = 0;
2771 if (strncmp(optarg, "mon:", 4) == 0) {
2772 default_monitor = 0;
2773 }
2774 break;
2775 case QEMU_OPTION_debugcon:
2776 add_device_config(DEV_DEBUGCON, optarg);
2777 break;
2778 case QEMU_OPTION_loadvm:
2779 loadvm = optarg;
2780 break;
2781 case QEMU_OPTION_full_screen:
2782 full_screen = 1;
2783 break;
2784 #ifdef CONFIG_SDL
2785 case QEMU_OPTION_no_frame:
2786 no_frame = 1;
2787 break;
2788 case QEMU_OPTION_alt_grab:
2789 alt_grab = 1;
2790 break;
2791 case QEMU_OPTION_ctrl_grab:
2792 ctrl_grab = 1;
2793 break;
2794 case QEMU_OPTION_no_quit:
2795 no_quit = 1;
2796 break;
2797 case QEMU_OPTION_sdl:
2798 display_type = DT_SDL;
2799 break;
2800 #else
2801 case QEMU_OPTION_no_frame:
2802 case QEMU_OPTION_alt_grab:
2803 case QEMU_OPTION_ctrl_grab:
2804 case QEMU_OPTION_no_quit:
2805 case QEMU_OPTION_sdl:
2806 fprintf(stderr, "SDL support is disabled\n");
2807 exit(1);
2808 #endif
2809 case QEMU_OPTION_pidfile:
2810 pid_file = optarg;
2811 break;
2812 case QEMU_OPTION_win2k_hack:
2813 win2k_install_hack = 1;
2814 break;
2815 case QEMU_OPTION_rtc_td_hack:
2816 rtc_td_hack = 1;
2817 break;
2818 case QEMU_OPTION_acpitable:
2819 do_acpitable_option(optarg);
2820 break;
2821 case QEMU_OPTION_smbios:
2822 do_smbios_option(optarg);
2823 break;
2824 case QEMU_OPTION_enable_kvm:
2825 olist = qemu_find_opts("machine");
2826 qemu_opts_reset(olist);
2827 qemu_opts_parse(olist, "accel=kvm", 0);
2828 break;
2829 case QEMU_OPTION_machine:
2830 olist = qemu_find_opts("machine");
2831 qemu_opts_reset(olist);
2832 opts = qemu_opts_parse(olist, optarg, 1);
2833 if (!opts) {
2834 fprintf(stderr, "parse error: %s\n", optarg);
2835 exit(1);
2836 }
2837 optarg = qemu_opt_get(opts, "type");
2838 if (optarg) {
2839 machine = machine_parse(optarg);
2840 }
2841 break;
2842 case QEMU_OPTION_usb:
2843 usb_enabled = 1;
2844 break;
2845 case QEMU_OPTION_usbdevice:
2846 usb_enabled = 1;
2847 add_device_config(DEV_USB, optarg);
2848 break;
2849 case QEMU_OPTION_device:
2850 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2851 exit(1);
2852 }
2853 break;
2854 case QEMU_OPTION_smp:
2855 smp_parse(optarg);
2856 if (smp_cpus < 1) {
2857 fprintf(stderr, "Invalid number of CPUs\n");
2858 exit(1);
2859 }
2860 if (max_cpus < smp_cpus) {
2861 fprintf(stderr, "maxcpus must be equal to or greater than "
2862 "smp\n");
2863 exit(1);
2864 }
2865 if (max_cpus > 255) {
2866 fprintf(stderr, "Unsupported number of maxcpus\n");
2867 exit(1);
2868 }
2869 break;
2870 case QEMU_OPTION_vnc:
2871 #ifdef CONFIG_VNC
2872 display_remote++;
2873 vnc_display = optarg;
2874 #else
2875 fprintf(stderr, "VNC support is disabled\n");
2876 exit(1);
2877 #endif
2878 break;
2879 case QEMU_OPTION_no_acpi:
2880 acpi_enabled = 0;
2881 break;
2882 case QEMU_OPTION_no_hpet:
2883 no_hpet = 1;
2884 break;
2885 case QEMU_OPTION_balloon:
2886 if (balloon_parse(optarg) < 0) {
2887 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2888 exit(1);
2889 }
2890 break;
2891 case QEMU_OPTION_no_reboot:
2892 no_reboot = 1;
2893 break;
2894 case QEMU_OPTION_no_shutdown:
2895 no_shutdown = 1;
2896 break;
2897 case QEMU_OPTION_show_cursor:
2898 cursor_hide = 0;
2899 break;
2900 case QEMU_OPTION_uuid:
2901 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2902 fprintf(stderr, "Fail to parse UUID string."
2903 " Wrong format.\n");
2904 exit(1);
2905 }
2906 break;
2907 case QEMU_OPTION_option_rom:
2908 if (nb_option_roms >= MAX_OPTION_ROMS) {
2909 fprintf(stderr, "Too many option ROMs\n");
2910 exit(1);
2911 }
2912 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2913 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2914 option_rom[nb_option_roms].bootindex =
2915 qemu_opt_get_number(opts, "bootindex", -1);
2916 if (!option_rom[nb_option_roms].name) {
2917 fprintf(stderr, "Option ROM file is not specified\n");
2918 exit(1);
2919 }
2920 nb_option_roms++;
2921 break;
2922 case QEMU_OPTION_semihosting:
2923 semihosting_enabled = 1;
2924 break;
2925 case QEMU_OPTION_name:
2926 qemu_name = g_strdup(optarg);
2927 {
2928 char *p = strchr(qemu_name, ',');
2929 if (p != NULL) {
2930 *p++ = 0;
2931 if (strncmp(p, "process=", 8)) {
2932 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2933 exit(1);
2934 }
2935 p += 8;
2936 os_set_proc_name(p);
2937 }
2938 }
2939 break;
2940 case QEMU_OPTION_prom_env:
2941 if (nb_prom_envs >= MAX_PROM_ENVS) {
2942 fprintf(stderr, "Too many prom variables\n");
2943 exit(1);
2944 }
2945 prom_envs[nb_prom_envs] = optarg;
2946 nb_prom_envs++;
2947 break;
2948 case QEMU_OPTION_old_param:
2949 old_param = 1;
2950 break;
2951 case QEMU_OPTION_clock:
2952 configure_alarms(optarg);
2953 break;
2954 case QEMU_OPTION_startdate:
2955 configure_rtc_date_offset(optarg, 1);
2956 break;
2957 case QEMU_OPTION_rtc:
2958 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2959 if (!opts) {
2960 exit(1);
2961 }
2962 configure_rtc(opts);
2963 break;
2964 case QEMU_OPTION_tb_size:
2965 tcg_tb_size = strtol(optarg, NULL, 0);
2966 if (tcg_tb_size < 0) {
2967 tcg_tb_size = 0;
2968 }
2969 break;
2970 case QEMU_OPTION_icount:
2971 icount_option = optarg;
2972 break;
2973 case QEMU_OPTION_incoming:
2974 incoming = optarg;
2975 break;
2976 case QEMU_OPTION_nodefaults:
2977 default_serial = 0;
2978 default_parallel = 0;
2979 default_virtcon = 0;
2980 default_monitor = 0;
2981 default_vga = 0;
2982 default_net = 0;
2983 default_floppy = 0;
2984 default_cdrom = 0;
2985 default_sdcard = 0;
2986 break;
2987 case QEMU_OPTION_xen_domid:
2988 if (!(xen_available())) {
2989 printf("Option %s not supported for this target\n", popt->name);
2990 exit(1);
2991 }
2992 xen_domid = atoi(optarg);
2993 break;
2994 case QEMU_OPTION_xen_create:
2995 if (!(xen_available())) {
2996 printf("Option %s not supported for this target\n", popt->name);
2997 exit(1);
2998 }
2999 xen_mode = XEN_CREATE;
3000 break;
3001 case QEMU_OPTION_xen_attach:
3002 if (!(xen_available())) {
3003 printf("Option %s not supported for this target\n", popt->name);
3004 exit(1);
3005 }
3006 xen_mode = XEN_ATTACH;
3007 break;
3008 case QEMU_OPTION_trace:
3009 {
3010 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3011 if (!opts) {
3012 exit(1);
3013 }
3014 trace_events = qemu_opt_get(opts, "events");
3015 trace_file = qemu_opt_get(opts, "file");
3016 break;
3017 }
3018 case QEMU_OPTION_readconfig:
3019 {
3020 int ret = qemu_read_config_file(optarg);
3021 if (ret < 0) {
3022 fprintf(stderr, "read config %s: %s\n", optarg,
3023 strerror(-ret));
3024 exit(1);
3025 }
3026 break;
3027 }
3028 case QEMU_OPTION_spice:
3029 olist = qemu_find_opts("spice");
3030 if (!olist) {
3031 fprintf(stderr, "spice is not supported by this qemu build.\n");
3032 exit(1);
3033 }
3034 opts = qemu_opts_parse(olist, optarg, 0);
3035 if (!opts) {
3036 fprintf(stderr, "parse error: %s\n", optarg);
3037 exit(1);
3038 }
3039 break;
3040 case QEMU_OPTION_writeconfig:
3041 {
3042 FILE *fp;
3043 if (strcmp(optarg, "-") == 0) {
3044 fp = stdout;
3045 } else {
3046 fp = fopen(optarg, "w");
3047 if (fp == NULL) {
3048 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3049 exit(1);
3050 }
3051 }
3052 qemu_config_write(fp);
3053 fclose(fp);
3054 break;
3055 }
3056 default:
3057 os_parse_cmd_args(popt->index, optarg);
3058 }
3059 }
3060 }
3061 loc_set_none();
3062
3063 /* Open the logfile at this point, if necessary. We can't open the logfile
3064 * when encountering either of the logging options (-d or -D) because the
3065 * other one may be encountered later on the command line, changing the
3066 * location or level of logging.
3067 */
3068 if (log_mask) {
3069 if (log_file) {
3070 set_cpu_log_filename(log_file);
3071 }
3072 set_cpu_log(log_mask);
3073 }
3074
3075 if (!trace_backend_init(trace_events, trace_file)) {
3076 exit(1);
3077 }
3078
3079 /* If no data_dir is specified then try to find it relative to the
3080 executable path. */
3081 if (!data_dir) {
3082 data_dir = os_find_datadir(argv[0]);
3083 }
3084 /* If all else fails use the install path specified when building. */
3085 if (!data_dir) {
3086 data_dir = CONFIG_QEMU_DATADIR;
3087 }
3088
3089 if (machine == NULL) {
3090 fprintf(stderr, "No machine found.\n");
3091 exit(1);
3092 }
3093
3094 /*
3095 * Default to max_cpus = smp_cpus, in case the user doesn't
3096 * specify a max_cpus value.
3097 */
3098 if (!max_cpus)
3099 max_cpus = smp_cpus;
3100
3101 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3102 if (smp_cpus > machine->max_cpus) {
3103 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3104 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3105 machine->max_cpus);
3106 exit(1);
3107 }
3108
3109 /*
3110 * Get the default machine options from the machine if it is not already
3111 * specified either by the configuration file or by the command line.
3112 */
3113 if (machine->default_machine_opts) {
3114 QemuOptsList *list = qemu_find_opts("machine");
3115 const char *p = NULL;
3116
3117 if (!QTAILQ_EMPTY(&list->head)) {
3118 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3119 }
3120 if (p == NULL) {
3121 qemu_opts_reset(list);
3122 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3123 if (!opts) {
3124 fprintf(stderr, "parse error for machine %s: %s\n",
3125 machine->name, machine->default_machine_opts);
3126 exit(1);
3127 }
3128 }
3129 }
3130
3131 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3132 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3133
3134 if (machine->no_serial) {
3135 default_serial = 0;
3136 }
3137 if (machine->no_parallel) {
3138 default_parallel = 0;
3139 }
3140 if (!machine->use_virtcon) {
3141 default_virtcon = 0;
3142 }
3143 if (machine->no_vga) {
3144 default_vga = 0;
3145 }
3146 if (machine->no_floppy) {
3147 default_floppy = 0;
3148 }
3149 if (machine->no_cdrom) {
3150 default_cdrom = 0;
3151 }
3152 if (machine->no_sdcard) {
3153 default_sdcard = 0;
3154 }
3155
3156 if (display_type == DT_NOGRAPHIC) {
3157 if (default_parallel)
3158 add_device_config(DEV_PARALLEL, "null");
3159 if (default_serial && default_monitor) {
3160 add_device_config(DEV_SERIAL, "mon:stdio");
3161 } else if (default_virtcon && default_monitor) {
3162 add_device_config(DEV_VIRTCON, "mon:stdio");
3163 } else {
3164 if (default_serial)
3165 add_device_config(DEV_SERIAL, "stdio");
3166 if (default_virtcon)
3167 add_device_config(DEV_VIRTCON, "stdio");
3168 if (default_monitor)
3169 monitor_parse("stdio", "readline");
3170 }
3171 } else {
3172 if (default_serial)
3173 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3174 if (default_parallel)
3175 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3176 if (default_monitor)
3177 monitor_parse("vc:80Cx24C", "readline");
3178 if (default_virtcon)
3179 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3180 }
3181 if (default_vga)
3182 vga_interface_type = VGA_CIRRUS;
3183
3184 socket_init();
3185
3186 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3187 exit(1);
3188 #ifdef CONFIG_VIRTFS
3189 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3190 exit(1);
3191 }
3192 #endif
3193
3194 os_daemonize();
3195
3196 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3197 os_pidfile_error();
3198 exit(1);
3199 }
3200
3201 /* init the memory */
3202 if (ram_size == 0) {
3203 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3204 }
3205
3206 configure_accelerator();
3207
3208 qemu_init_cpu_loop();
3209 if (qemu_init_main_loop()) {
3210 fprintf(stderr, "qemu_init_main_loop failed\n");
3211 exit(1);
3212 }
3213 linux_boot = (kernel_filename != NULL);
3214
3215 if (!linux_boot && *kernel_cmdline != '\0') {
3216 fprintf(stderr, "-append only allowed with -kernel option\n");
3217 exit(1);
3218 }
3219
3220 if (!linux_boot && initrd_filename != NULL) {
3221 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3222 exit(1);
3223 }
3224
3225 os_set_line_buffering();
3226
3227 if (init_timer_alarm() < 0) {
3228 fprintf(stderr, "could not initialize alarm timer\n");
3229 exit(1);
3230 }
3231
3232 if (icount_option && (kvm_enabled() || xen_enabled())) {
3233 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3234 exit(1);
3235 }
3236 configure_icount(icount_option);
3237
3238 if (net_init_clients() < 0) {
3239 exit(1);
3240 }
3241
3242 /* init the bluetooth world */
3243 if (foreach_device_config(DEV_BT, bt_parse))
3244 exit(1);
3245
3246 if (!xen_enabled()) {
3247 /* On 32-bit hosts, QEMU is limited by virtual address space */
3248 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3249 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3250 exit(1);
3251 }
3252 }
3253
3254 cpu_exec_init_all();
3255
3256 bdrv_init_with_whitelist();
3257
3258 blk_mig_init();
3259
3260 /* open the virtual block devices */
3261 if (snapshot)
3262 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3263 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3264 exit(1);
3265
3266 default_drive(default_cdrom, snapshot, machine->use_scsi,
3267 IF_DEFAULT, 2, CDROM_OPTS);
3268 default_drive(default_floppy, snapshot, machine->use_scsi,
3269 IF_FLOPPY, 0, FD_OPTS);
3270 default_drive(default_sdcard, snapshot, machine->use_scsi,
3271 IF_SD, 0, SD_OPTS);
3272
3273 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3274 ram_load, NULL);
3275
3276 if (nb_numa_nodes > 0) {
3277 int i;
3278
3279 if (nb_numa_nodes > MAX_NODES) {
3280 nb_numa_nodes = MAX_NODES;
3281 }
3282
3283 /* If no memory size if given for any node, assume the default case
3284 * and distribute the available memory equally across all nodes
3285 */
3286 for (i = 0; i < nb_numa_nodes; i++) {
3287 if (node_mem[i] != 0)
3288 break;
3289 }
3290 if (i == nb_numa_nodes) {
3291 uint64_t usedmem = 0;
3292
3293 /* On Linux, the each node's border has to be 8MB aligned,
3294 * the final node gets the rest.
3295 */
3296 for (i = 0; i < nb_numa_nodes - 1; i++) {
3297 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3298 usedmem += node_mem[i];
3299 }
3300 node_mem[i] = ram_size - usedmem;
3301 }
3302
3303 for (i = 0; i < nb_numa_nodes; i++) {
3304 if (node_cpumask[i] != 0)
3305 break;
3306 }
3307 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3308 * must cope with this anyway, because there are BIOSes out there in
3309 * real machines which also use this scheme.
3310 */
3311 if (i == nb_numa_nodes) {
3312 for (i = 0; i < max_cpus; i++) {
3313 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3314 }
3315 }
3316 }
3317
3318 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3319 exit(1);
3320 }
3321
3322 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3323 exit(1);
3324 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3325 exit(1);
3326 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3327 exit(1);
3328 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3329 exit(1);
3330
3331 module_call_init(MODULE_INIT_DEVICE);
3332
3333 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3334 exit(0);
3335
3336 if (watchdog) {
3337 i = select_watchdog(watchdog);
3338 if (i > 0)
3339 exit (i == 1 ? 1 : 0);
3340 }
3341
3342 if (machine->compat_props) {
3343 qdev_prop_register_global_list(machine->compat_props);
3344 }
3345 qemu_add_globals();
3346
3347 qdev_machine_init();
3348
3349 machine->init(ram_size, boot_devices,
3350 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3351
3352 cpu_synchronize_all_post_init();
3353
3354 set_numa_modes();
3355
3356 current_machine = machine;
3357
3358 /* init USB devices */
3359 if (usb_enabled) {
3360 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3361 exit(1);
3362 }
3363
3364 /* init generic devices */
3365 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3366 exit(1);
3367
3368 net_check_clients();
3369
3370 /* just use the first displaystate for the moment */
3371 ds = get_displaystate();
3372
3373 if (using_spice)
3374 display_remote++;
3375 if (display_type == DT_DEFAULT && !display_remote) {
3376 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3377 display_type = DT_SDL;
3378 #elif defined(CONFIG_VNC)
3379 vnc_display = "localhost:0,to=99";
3380 show_vnc_port = 1;
3381 #else
3382 display_type = DT_NONE;
3383 #endif
3384 }
3385
3386
3387 /* init local displays */
3388 switch (display_type) {
3389 case DT_NOGRAPHIC:
3390 break;
3391 #if defined(CONFIG_CURSES)
3392 case DT_CURSES:
3393 curses_display_init(ds, full_screen);
3394 break;
3395 #endif
3396 #if defined(CONFIG_SDL)
3397 case DT_SDL:
3398 sdl_display_init(ds, full_screen, no_frame);
3399 break;
3400 #elif defined(CONFIG_COCOA)
3401 case DT_SDL:
3402 cocoa_display_init(ds, full_screen);
3403 break;
3404 #endif
3405 default:
3406 break;
3407 }
3408
3409 /* must be after terminal init, SDL library changes signal handlers */
3410 os_setup_signal_handling();
3411
3412 #ifdef CONFIG_VNC
3413 /* init remote displays */
3414 if (vnc_display) {
3415 vnc_display_init(ds);
3416 if (vnc_display_open(ds, vnc_display) < 0)
3417 exit(1);
3418
3419 if (show_vnc_port) {
3420 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3421 }
3422 }
3423 #endif
3424 #ifdef CONFIG_SPICE
3425 if (using_spice && !qxl_enabled) {
3426 qemu_spice_display_init(ds);
3427 }
3428 #endif
3429
3430 /* display setup */
3431 dpy_resize(ds);
3432 dcl = ds->listeners;
3433 while (dcl != NULL) {
3434 if (dcl->dpy_refresh != NULL) {
3435 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3436 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3437 break;
3438 }
3439 dcl = dcl->next;
3440 }
3441 text_consoles_set_display(ds);
3442
3443 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3444 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3445 gdbstub_dev);
3446 exit(1);
3447 }
3448
3449 qdev_machine_creation_done();
3450
3451 if (rom_load_all() != 0) {
3452 fprintf(stderr, "rom loading failed\n");
3453 exit(1);
3454 }
3455
3456 /* TODO: once all bus devices are qdevified, this should be done
3457 * when bus is created by qdev.c */
3458 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3459 qemu_run_machine_init_done_notifiers();
3460
3461 qemu_system_reset(VMRESET_SILENT);
3462 if (loadvm) {
3463 if (load_vmstate(loadvm) < 0) {
3464 autostart = 0;
3465 }
3466 }
3467
3468 if (incoming) {
3469 runstate_set(RUN_STATE_INMIGRATE);
3470 int ret = qemu_start_incoming_migration(incoming);
3471 if (ret < 0) {
3472 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3473 incoming, ret);
3474 exit(ret);
3475 }
3476 } else if (autostart) {
3477 vm_start();
3478 }
3479
3480 os_setup_post();
3481
3482 resume_all_vcpus();
3483 main_loop();
3484 bdrv_close_all();
3485 pause_all_vcpus();
3486 net_cleanup();
3487 res_free();
3488
3489 return 0;
3490 }
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