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loader: Fix read_targphys() to behave when read() fails
[qemu/agraf.git] / vl.c
blobf5afed4c49030f4dcad4755a7596719f83ff0d99
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 dependant 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, NULL);
957 if (sval < 0) {
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 const char *options_help =
1496 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1497 opt_help
1498 #define DEFHEADING(text) stringify(text) "\n"
1499 #include "qemu-options.def"
1500 #undef DEF
1501 #undef DEFHEADING
1502 #undef GEN_DOCS
1503 ;
1504 version();
1505 printf("usage: %s [options] [disk_image]\n"
1506 "\n"
1507 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1508 "\n"
1509 "%s\n"
1510 "During emulation, the following keys are useful:\n"
1511 "ctrl-alt-f toggle full screen\n"
1512 "ctrl-alt-n switch to virtual console 'n'\n"
1513 "ctrl-alt toggle mouse and keyboard grab\n"
1514 "\n"
1515 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1516 "qemu",
1517 options_help);
1518 exit(exitcode);
1519 }
1520
1521 #define HAS_ARG 0x0001
1522
1523 typedef struct QEMUOption {
1524 const char *name;
1525 int flags;
1526 int index;
1527 uint32_t arch_mask;
1528 } QEMUOption;
1529
1530 static const QEMUOption qemu_options[] = {
1531 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1532 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1533 { option, opt_arg, opt_enum, arch_mask },
1534 #define DEFHEADING(text)
1535 #include "qemu-options.def"
1536 #undef DEF
1537 #undef DEFHEADING
1538 #undef GEN_DOCS
1539 { NULL },
1540 };
1541 static void select_vgahw (const char *p)
1542 {
1543 const char *opts;
1544
1545 default_vga = 0;
1546 vga_interface_type = VGA_NONE;
1547 if (strstart(p, "std", &opts)) {
1548 vga_interface_type = VGA_STD;
1549 } else if (strstart(p, "cirrus", &opts)) {
1550 vga_interface_type = VGA_CIRRUS;
1551 } else if (strstart(p, "vmware", &opts)) {
1552 vga_interface_type = VGA_VMWARE;
1553 } else if (strstart(p, "xenfb", &opts)) {
1554 vga_interface_type = VGA_XENFB;
1555 } else if (strstart(p, "qxl", &opts)) {
1556 vga_interface_type = VGA_QXL;
1557 } else if (!strstart(p, "none", &opts)) {
1558 invalid_vga:
1559 fprintf(stderr, "Unknown vga type: %s\n", p);
1560 exit(1);
1561 }
1562 while (*opts) {
1563 const char *nextopt;
1564
1565 if (strstart(opts, ",retrace=", &nextopt)) {
1566 opts = nextopt;
1567 if (strstart(opts, "dumb", &nextopt))
1568 vga_retrace_method = VGA_RETRACE_DUMB;
1569 else if (strstart(opts, "precise", &nextopt))
1570 vga_retrace_method = VGA_RETRACE_PRECISE;
1571 else goto invalid_vga;
1572 } else goto invalid_vga;
1573 opts = nextopt;
1574 }
1575 }
1576
1577 static DisplayType select_display(const char *p)
1578 {
1579 const char *opts;
1580 DisplayType display = DT_DEFAULT;
1581
1582 if (strstart(p, "sdl", &opts)) {
1583 #ifdef CONFIG_SDL
1584 display = DT_SDL;
1585 while (*opts) {
1586 const char *nextopt;
1587
1588 if (strstart(opts, ",frame=", &nextopt)) {
1589 opts = nextopt;
1590 if (strstart(opts, "on", &nextopt)) {
1591 no_frame = 0;
1592 } else if (strstart(opts, "off", &nextopt)) {
1593 no_frame = 1;
1594 } else {
1595 goto invalid_sdl_args;
1596 }
1597 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1598 opts = nextopt;
1599 if (strstart(opts, "on", &nextopt)) {
1600 alt_grab = 1;
1601 } else if (strstart(opts, "off", &nextopt)) {
1602 alt_grab = 0;
1603 } else {
1604 goto invalid_sdl_args;
1605 }
1606 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1607 opts = nextopt;
1608 if (strstart(opts, "on", &nextopt)) {
1609 ctrl_grab = 1;
1610 } else if (strstart(opts, "off", &nextopt)) {
1611 ctrl_grab = 0;
1612 } else {
1613 goto invalid_sdl_args;
1614 }
1615 } else if (strstart(opts, ",window_close=", &nextopt)) {
1616 opts = nextopt;
1617 if (strstart(opts, "on", &nextopt)) {
1618 no_quit = 0;
1619 } else if (strstart(opts, "off", &nextopt)) {
1620 no_quit = 1;
1621 } else {
1622 goto invalid_sdl_args;
1623 }
1624 } else {
1625 invalid_sdl_args:
1626 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1627 exit(1);
1628 }
1629 opts = nextopt;
1630 }
1631 #else
1632 fprintf(stderr, "SDL support is disabled\n");
1633 exit(1);
1634 #endif
1635 } else if (strstart(p, "vnc", &opts)) {
1636 #ifdef CONFIG_VNC
1637 display_remote++;
1638
1639 if (*opts) {
1640 const char *nextopt;
1641
1642 if (strstart(opts, "=", &nextopt)) {
1643 vnc_display = nextopt;
1644 }
1645 }
1646 if (!vnc_display) {
1647 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1648 exit(1);
1649 }
1650 #else
1651 fprintf(stderr, "VNC support is disabled\n");
1652 exit(1);
1653 #endif
1654 } else if (strstart(p, "curses", &opts)) {
1655 #ifdef CONFIG_CURSES
1656 display = DT_CURSES;
1657 #else
1658 fprintf(stderr, "Curses support is disabled\n");
1659 exit(1);
1660 #endif
1661 } else if (strstart(p, "none", &opts)) {
1662 display = DT_NONE;
1663 } else {
1664 fprintf(stderr, "Unknown display type: %s\n", p);
1665 exit(1);
1666 }
1667
1668 return display;
1669 }
1670
1671 static int balloon_parse(const char *arg)
1672 {
1673 QemuOpts *opts;
1674
1675 if (strcmp(arg, "none") == 0) {
1676 return 0;
1677 }
1678
1679 if (!strncmp(arg, "virtio", 6)) {
1680 if (arg[6] == ',') {
1681 /* have params -> parse them */
1682 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1683 if (!opts)
1684 return -1;
1685 } else {
1686 /* create empty opts */
1687 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1688 }
1689 qemu_opt_set(opts, "driver", "virtio-balloon");
1690 return 0;
1691 }
1692
1693 return -1;
1694 }
1695
1696 char *qemu_find_file(int type, const char *name)
1697 {
1698 int len;
1699 const char *subdir;
1700 char *buf;
1701
1702 /* If name contains path separators then try it as a straight path. */
1703 if ((strchr(name, '/') || strchr(name, '\\'))
1704 && access(name, R_OK) == 0) {
1705 return g_strdup(name);
1706 }
1707 switch (type) {
1708 case QEMU_FILE_TYPE_BIOS:
1709 subdir = "";
1710 break;
1711 case QEMU_FILE_TYPE_KEYMAP:
1712 subdir = "keymaps/";
1713 break;
1714 default:
1715 abort();
1716 }
1717 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1718 buf = g_malloc0(len);
1719 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1720 if (access(buf, R_OK)) {
1721 g_free(buf);
1722 return NULL;
1723 }
1724 return buf;
1725 }
1726
1727 static int device_help_func(QemuOpts *opts, void *opaque)
1728 {
1729 return qdev_device_help(opts);
1730 }
1731
1732 static int device_init_func(QemuOpts *opts, void *opaque)
1733 {
1734 DeviceState *dev;
1735
1736 dev = qdev_device_add(opts);
1737 if (!dev)
1738 return -1;
1739 return 0;
1740 }
1741
1742 static int chardev_init_func(QemuOpts *opts, void *opaque)
1743 {
1744 CharDriverState *chr;
1745
1746 chr = qemu_chr_new_from_opts(opts, NULL);
1747 if (!chr)
1748 return -1;
1749 return 0;
1750 }
1751
1752 #ifdef CONFIG_VIRTFS
1753 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1754 {
1755 int ret;
1756 ret = qemu_fsdev_add(opts);
1757
1758 return ret;
1759 }
1760 #endif
1761
1762 static int mon_init_func(QemuOpts *opts, void *opaque)
1763 {
1764 CharDriverState *chr;
1765 const char *chardev;
1766 const char *mode;
1767 int flags;
1768
1769 mode = qemu_opt_get(opts, "mode");
1770 if (mode == NULL) {
1771 mode = "readline";
1772 }
1773 if (strcmp(mode, "readline") == 0) {
1774 flags = MONITOR_USE_READLINE;
1775 } else if (strcmp(mode, "control") == 0) {
1776 flags = MONITOR_USE_CONTROL;
1777 } else {
1778 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1779 exit(1);
1780 }
1781
1782 if (qemu_opt_get_bool(opts, "pretty", 0))
1783 flags |= MONITOR_USE_PRETTY;
1784
1785 if (qemu_opt_get_bool(opts, "default", 0))
1786 flags |= MONITOR_IS_DEFAULT;
1787
1788 chardev = qemu_opt_get(opts, "chardev");
1789 chr = qemu_chr_find(chardev);
1790 if (chr == NULL) {
1791 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1792 exit(1);
1793 }
1794
1795 monitor_init(chr, flags);
1796 return 0;
1797 }
1798
1799 static void monitor_parse(const char *optarg, const char *mode)
1800 {
1801 static int monitor_device_index = 0;
1802 QemuOpts *opts;
1803 const char *p;
1804 char label[32];
1805 int def = 0;
1806
1807 if (strstart(optarg, "chardev:", &p)) {
1808 snprintf(label, sizeof(label), "%s", p);
1809 } else {
1810 snprintf(label, sizeof(label), "compat_monitor%d",
1811 monitor_device_index);
1812 if (monitor_device_index == 0) {
1813 def = 1;
1814 }
1815 opts = qemu_chr_parse_compat(label, optarg);
1816 if (!opts) {
1817 fprintf(stderr, "parse error: %s\n", optarg);
1818 exit(1);
1819 }
1820 }
1821
1822 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1823 if (!opts) {
1824 fprintf(stderr, "duplicate chardev: %s\n", label);
1825 exit(1);
1826 }
1827 qemu_opt_set(opts, "mode", mode);
1828 qemu_opt_set(opts, "chardev", label);
1829 if (def)
1830 qemu_opt_set(opts, "default", "on");
1831 monitor_device_index++;
1832 }
1833
1834 struct device_config {
1835 enum {
1836 DEV_USB, /* -usbdevice */
1837 DEV_BT, /* -bt */
1838 DEV_SERIAL, /* -serial */
1839 DEV_PARALLEL, /* -parallel */
1840 DEV_VIRTCON, /* -virtioconsole */
1841 DEV_DEBUGCON, /* -debugcon */
1842 } type;
1843 const char *cmdline;
1844 QTAILQ_ENTRY(device_config) next;
1845 };
1846 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1847
1848 static void add_device_config(int type, const char *cmdline)
1849 {
1850 struct device_config *conf;
1851
1852 conf = g_malloc0(sizeof(*conf));
1853 conf->type = type;
1854 conf->cmdline = cmdline;
1855 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1856 }
1857
1858 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1859 {
1860 struct device_config *conf;
1861 int rc;
1862
1863 QTAILQ_FOREACH(conf, &device_configs, next) {
1864 if (conf->type != type)
1865 continue;
1866 rc = func(conf->cmdline);
1867 if (0 != rc)
1868 return rc;
1869 }
1870 return 0;
1871 }
1872
1873 static int serial_parse(const char *devname)
1874 {
1875 static int index = 0;
1876 char label[32];
1877
1878 if (strcmp(devname, "none") == 0)
1879 return 0;
1880 if (index == MAX_SERIAL_PORTS) {
1881 fprintf(stderr, "qemu: too many serial ports\n");
1882 exit(1);
1883 }
1884 snprintf(label, sizeof(label), "serial%d", index);
1885 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1886 if (!serial_hds[index]) {
1887 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1888 devname, strerror(errno));
1889 return -1;
1890 }
1891 index++;
1892 return 0;
1893 }
1894
1895 static int parallel_parse(const char *devname)
1896 {
1897 static int index = 0;
1898 char label[32];
1899
1900 if (strcmp(devname, "none") == 0)
1901 return 0;
1902 if (index == MAX_PARALLEL_PORTS) {
1903 fprintf(stderr, "qemu: too many parallel ports\n");
1904 exit(1);
1905 }
1906 snprintf(label, sizeof(label), "parallel%d", index);
1907 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1908 if (!parallel_hds[index]) {
1909 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1910 devname, strerror(errno));
1911 return -1;
1912 }
1913 index++;
1914 return 0;
1915 }
1916
1917 static int virtcon_parse(const char *devname)
1918 {
1919 QemuOptsList *device = qemu_find_opts("device");
1920 static int index = 0;
1921 char label[32];
1922 QemuOpts *bus_opts, *dev_opts;
1923
1924 if (strcmp(devname, "none") == 0)
1925 return 0;
1926 if (index == MAX_VIRTIO_CONSOLES) {
1927 fprintf(stderr, "qemu: too many virtio consoles\n");
1928 exit(1);
1929 }
1930
1931 bus_opts = qemu_opts_create(device, NULL, 0);
1932 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1933
1934 dev_opts = qemu_opts_create(device, NULL, 0);
1935 qemu_opt_set(dev_opts, "driver", "virtconsole");
1936
1937 snprintf(label, sizeof(label), "virtcon%d", index);
1938 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1939 if (!virtcon_hds[index]) {
1940 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1941 devname, strerror(errno));
1942 return -1;
1943 }
1944 qemu_opt_set(dev_opts, "chardev", label);
1945
1946 index++;
1947 return 0;
1948 }
1949
1950 static int debugcon_parse(const char *devname)
1951 {
1952 QemuOpts *opts;
1953
1954 if (!qemu_chr_new("debugcon", devname, NULL)) {
1955 exit(1);
1956 }
1957 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1958 if (!opts) {
1959 fprintf(stderr, "qemu: already have a debugcon device\n");
1960 exit(1);
1961 }
1962 qemu_opt_set(opts, "driver", "isa-debugcon");
1963 qemu_opt_set(opts, "chardev", "debugcon");
1964 return 0;
1965 }
1966
1967 static QEMUMachine *machine_parse(const char *name)
1968 {
1969 QEMUMachine *m, *machine = NULL;
1970
1971 if (name) {
1972 machine = find_machine(name);
1973 }
1974 if (machine) {
1975 return machine;
1976 }
1977 printf("Supported machines are:\n");
1978 for (m = first_machine; m != NULL; m = m->next) {
1979 if (m->alias) {
1980 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1981 }
1982 printf("%-10s %s%s\n", m->name, m->desc,
1983 m->is_default ? " (default)" : "");
1984 }
1985 exit(!name || *name != '?');
1986 }
1987
1988 static int tcg_init(void)
1989 {
1990 tcg_exec_init(tcg_tb_size * 1024 * 1024);
1991 return 0;
1992 }
1993
1994 static struct {
1995 const char *opt_name;
1996 const char *name;
1997 int (*available)(void);
1998 int (*init)(void);
1999 int *allowed;
2000 } accel_list[] = {
2001 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2002 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2003 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2004 };
2005
2006 static int configure_accelerator(void)
2007 {
2008 const char *p = NULL;
2009 char buf[10];
2010 int i, ret;
2011 bool accel_initalised = 0;
2012 bool init_failed = 0;
2013
2014 QemuOptsList *list = qemu_find_opts("machine");
2015 if (!QTAILQ_EMPTY(&list->head)) {
2016 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2017 }
2018
2019 if (p == NULL) {
2020 /* Use the default "accelerator", tcg */
2021 p = "tcg";
2022 }
2023
2024 while (!accel_initalised && *p != '\0') {
2025 if (*p == ':') {
2026 p++;
2027 }
2028 p = get_opt_name(buf, sizeof (buf), p, ':');
2029 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2030 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2031 *(accel_list[i].allowed) = 1;
2032 ret = accel_list[i].init();
2033 if (ret < 0) {
2034 init_failed = 1;
2035 if (!accel_list[i].available()) {
2036 printf("%s not supported for this target\n",
2037 accel_list[i].name);
2038 } else {
2039 fprintf(stderr, "failed to initialize %s: %s\n",
2040 accel_list[i].name,
2041 strerror(-ret));
2042 }
2043 *(accel_list[i].allowed) = 0;
2044 } else {
2045 accel_initalised = 1;
2046 }
2047 break;
2048 }
2049 }
2050 if (i == ARRAY_SIZE(accel_list)) {
2051 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2052 }
2053 }
2054
2055 if (!accel_initalised) {
2056 fprintf(stderr, "No accelerator found!\n");
2057 exit(1);
2058 }
2059
2060 if (init_failed) {
2061 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2062 }
2063
2064 return !accel_initalised;
2065 }
2066
2067 void qemu_add_exit_notifier(Notifier *notify)
2068 {
2069 notifier_list_add(&exit_notifiers, notify);
2070 }
2071
2072 void qemu_remove_exit_notifier(Notifier *notify)
2073 {
2074 notifier_list_remove(&exit_notifiers, notify);
2075 }
2076
2077 static void qemu_run_exit_notifiers(void)
2078 {
2079 notifier_list_notify(&exit_notifiers, NULL);
2080 }
2081
2082 void qemu_add_machine_init_done_notifier(Notifier *notify)
2083 {
2084 notifier_list_add(&machine_init_done_notifiers, notify);
2085 }
2086
2087 static void qemu_run_machine_init_done_notifiers(void)
2088 {
2089 notifier_list_notify(&machine_init_done_notifiers, NULL);
2090 }
2091
2092 static const QEMUOption *lookup_opt(int argc, char **argv,
2093 const char **poptarg, int *poptind)
2094 {
2095 const QEMUOption *popt;
2096 int optind = *poptind;
2097 char *r = argv[optind];
2098 const char *optarg;
2099
2100 loc_set_cmdline(argv, optind, 1);
2101 optind++;
2102 /* Treat --foo the same as -foo. */
2103 if (r[1] == '-')
2104 r++;
2105 popt = qemu_options;
2106 for(;;) {
2107 if (!popt->name) {
2108 error_report("invalid option");
2109 exit(1);
2110 }
2111 if (!strcmp(popt->name, r + 1))
2112 break;
2113 popt++;
2114 }
2115 if (popt->flags & HAS_ARG) {
2116 if (optind >= argc) {
2117 error_report("requires an argument");
2118 exit(1);
2119 }
2120 optarg = argv[optind++];
2121 loc_set_cmdline(argv, optind - 2, 2);
2122 } else {
2123 optarg = NULL;
2124 }
2125
2126 *poptarg = optarg;
2127 *poptind = optind;
2128
2129 return popt;
2130 }
2131
2132 static gpointer malloc_and_trace(gsize n_bytes)
2133 {
2134 void *ptr = malloc(n_bytes);
2135 trace_g_malloc(n_bytes, ptr);
2136 return ptr;
2137 }
2138
2139 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2140 {
2141 void *ptr = realloc(mem, n_bytes);
2142 trace_g_realloc(mem, n_bytes, ptr);
2143 return ptr;
2144 }
2145
2146 static void free_and_trace(gpointer mem)
2147 {
2148 trace_g_free(mem);
2149 free(mem);
2150 }
2151
2152 int main(int argc, char **argv, char **envp)
2153 {
2154 const char *gdbstub_dev = NULL;
2155 int i;
2156 int snapshot, linux_boot;
2157 const char *icount_option = NULL;
2158 const char *initrd_filename;
2159 const char *kernel_filename, *kernel_cmdline;
2160 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2161 DisplayState *ds;
2162 DisplayChangeListener *dcl;
2163 int cyls, heads, secs, translation;
2164 QemuOpts *hda_opts = NULL, *opts;
2165 QemuOptsList *olist;
2166 int optind;
2167 const char *optarg;
2168 const char *loadvm = NULL;
2169 QEMUMachine *machine;
2170 const char *cpu_model;
2171 const char *pid_file = NULL;
2172 const char *incoming = NULL;
2173 #ifdef CONFIG_VNC
2174 int show_vnc_port = 0;
2175 #endif
2176 int defconfig = 1;
2177 const char *log_mask = NULL;
2178 const char *log_file = NULL;
2179 GMemVTable mem_trace = {
2180 .malloc = malloc_and_trace,
2181 .realloc = realloc_and_trace,
2182 .free = free_and_trace,
2183 };
2184 const char *trace_events = NULL;
2185 const char *trace_file = NULL;
2186
2187 atexit(qemu_run_exit_notifiers);
2188 error_set_progname(argv[0]);
2189
2190 g_mem_set_vtable(&mem_trace);
2191 if (!g_thread_supported()) {
2192 g_thread_init(NULL);
2193 }
2194
2195 runstate_init();
2196
2197 init_clocks();
2198 rtc_clock = host_clock;
2199
2200 qemu_cache_utils_init(envp);
2201
2202 QLIST_INIT (&vm_change_state_head);
2203 os_setup_early_signal_handling();
2204
2205 module_call_init(MODULE_INIT_MACHINE);
2206 machine = find_default_machine();
2207 cpu_model = NULL;
2208 initrd_filename = NULL;
2209 ram_size = 0;
2210 snapshot = 0;
2211 kernel_filename = NULL;
2212 kernel_cmdline = "";
2213 cyls = heads = secs = 0;
2214 translation = BIOS_ATA_TRANSLATION_AUTO;
2215
2216 for (i = 0; i < MAX_NODES; i++) {
2217 node_mem[i] = 0;
2218 node_cpumask[i] = 0;
2219 }
2220
2221 nb_numa_nodes = 0;
2222 nb_nics = 0;
2223
2224 autostart= 1;
2225
2226 /* first pass of option parsing */
2227 optind = 1;
2228 while (optind < argc) {
2229 if (argv[optind][0] != '-') {
2230 /* disk image */
2231 optind++;
2232 continue;
2233 } else {
2234 const QEMUOption *popt;
2235
2236 popt = lookup_opt(argc, argv, &optarg, &optind);
2237 switch (popt->index) {
2238 case QEMU_OPTION_nodefconfig:
2239 defconfig=0;
2240 break;
2241 }
2242 }
2243 }
2244
2245 if (defconfig) {
2246 int ret;
2247
2248 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2249 if (ret < 0 && ret != -ENOENT) {
2250 exit(1);
2251 }
2252
2253 ret = qemu_read_config_file(arch_config_name);
2254 if (ret < 0 && ret != -ENOENT) {
2255 exit(1);
2256 }
2257 }
2258 cpudef_init();
2259
2260 /* second pass of option parsing */
2261 optind = 1;
2262 for(;;) {
2263 if (optind >= argc)
2264 break;
2265 if (argv[optind][0] != '-') {
2266 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2267 } else {
2268 const QEMUOption *popt;
2269
2270 popt = lookup_opt(argc, argv, &optarg, &optind);
2271 if (!(popt->arch_mask & arch_type)) {
2272 printf("Option %s not supported for this target\n", popt->name);
2273 exit(1);
2274 }
2275 switch(popt->index) {
2276 case QEMU_OPTION_M:
2277 machine = machine_parse(optarg);
2278 break;
2279 case QEMU_OPTION_cpu:
2280 /* hw initialization will check this */
2281 if (*optarg == '?') {
2282 list_cpus(stdout, &fprintf, optarg);
2283 exit(0);
2284 } else {
2285 cpu_model = optarg;
2286 }
2287 break;
2288 case QEMU_OPTION_initrd:
2289 initrd_filename = optarg;
2290 break;
2291 case QEMU_OPTION_hda:
2292 {
2293 char buf[256];
2294 if (cyls == 0)
2295 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2296 else
2297 snprintf(buf, sizeof(buf),
2298 "%s,cyls=%d,heads=%d,secs=%d%s",
2299 HD_OPTS , cyls, heads, secs,
2300 translation == BIOS_ATA_TRANSLATION_LBA ?
2301 ",trans=lba" :
2302 translation == BIOS_ATA_TRANSLATION_NONE ?
2303 ",trans=none" : "");
2304 drive_add(IF_DEFAULT, 0, optarg, buf);
2305 break;
2306 }
2307 case QEMU_OPTION_hdb:
2308 case QEMU_OPTION_hdc:
2309 case QEMU_OPTION_hdd:
2310 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2311 HD_OPTS);
2312 break;
2313 case QEMU_OPTION_drive:
2314 if (drive_def(optarg) == NULL) {
2315 exit(1);
2316 }
2317 break;
2318 case QEMU_OPTION_set:
2319 if (qemu_set_option(optarg) != 0)
2320 exit(1);
2321 break;
2322 case QEMU_OPTION_global:
2323 if (qemu_global_option(optarg) != 0)
2324 exit(1);
2325 break;
2326 case QEMU_OPTION_mtdblock:
2327 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2328 break;
2329 case QEMU_OPTION_sd:
2330 drive_add(IF_SD, 0, optarg, SD_OPTS);
2331 break;
2332 case QEMU_OPTION_pflash:
2333 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2334 break;
2335 case QEMU_OPTION_snapshot:
2336 snapshot = 1;
2337 break;
2338 case QEMU_OPTION_hdachs:
2339 {
2340 const char *p;
2341 p = optarg;
2342 cyls = strtol(p, (char **)&p, 0);
2343 if (cyls < 1 || cyls > 16383)
2344 goto chs_fail;
2345 if (*p != ',')
2346 goto chs_fail;
2347 p++;
2348 heads = strtol(p, (char **)&p, 0);
2349 if (heads < 1 || heads > 16)
2350 goto chs_fail;
2351 if (*p != ',')
2352 goto chs_fail;
2353 p++;
2354 secs = strtol(p, (char **)&p, 0);
2355 if (secs < 1 || secs > 63)
2356 goto chs_fail;
2357 if (*p == ',') {
2358 p++;
2359 if (!strcmp(p, "none"))
2360 translation = BIOS_ATA_TRANSLATION_NONE;
2361 else if (!strcmp(p, "lba"))
2362 translation = BIOS_ATA_TRANSLATION_LBA;
2363 else if (!strcmp(p, "auto"))
2364 translation = BIOS_ATA_TRANSLATION_AUTO;
2365 else
2366 goto chs_fail;
2367 } else if (*p != '\0') {
2368 chs_fail:
2369 fprintf(stderr, "qemu: invalid physical CHS format\n");
2370 exit(1);
2371 }
2372 if (hda_opts != NULL) {
2373 char num[16];
2374 snprintf(num, sizeof(num), "%d", cyls);
2375 qemu_opt_set(hda_opts, "cyls", num);
2376 snprintf(num, sizeof(num), "%d", heads);
2377 qemu_opt_set(hda_opts, "heads", num);
2378 snprintf(num, sizeof(num), "%d", secs);
2379 qemu_opt_set(hda_opts, "secs", num);
2380 if (translation == BIOS_ATA_TRANSLATION_LBA)
2381 qemu_opt_set(hda_opts, "trans", "lba");
2382 if (translation == BIOS_ATA_TRANSLATION_NONE)
2383 qemu_opt_set(hda_opts, "trans", "none");
2384 }
2385 }
2386 break;
2387 case QEMU_OPTION_numa:
2388 if (nb_numa_nodes >= MAX_NODES) {
2389 fprintf(stderr, "qemu: too many NUMA nodes\n");
2390 exit(1);
2391 }
2392 numa_add(optarg);
2393 break;
2394 case QEMU_OPTION_display:
2395 display_type = select_display(optarg);
2396 break;
2397 case QEMU_OPTION_nographic:
2398 display_type = DT_NOGRAPHIC;
2399 break;
2400 case QEMU_OPTION_curses:
2401 #ifdef CONFIG_CURSES
2402 display_type = DT_CURSES;
2403 #else
2404 fprintf(stderr, "Curses support is disabled\n");
2405 exit(1);
2406 #endif
2407 break;
2408 case QEMU_OPTION_portrait:
2409 graphic_rotate = 90;
2410 break;
2411 case QEMU_OPTION_rotate:
2412 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2413 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2414 graphic_rotate != 180 && graphic_rotate != 270) {
2415 fprintf(stderr,
2416 "qemu: only 90, 180, 270 deg rotation is available\n");
2417 exit(1);
2418 }
2419 break;
2420 case QEMU_OPTION_kernel:
2421 kernel_filename = optarg;
2422 break;
2423 case QEMU_OPTION_append:
2424 kernel_cmdline = optarg;
2425 break;
2426 case QEMU_OPTION_cdrom:
2427 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2428 break;
2429 case QEMU_OPTION_boot:
2430 {
2431 static const char * const params[] = {
2432 "order", "once", "menu",
2433 "splash", "splash-time", NULL
2434 };
2435 char buf[sizeof(boot_devices)];
2436 char *standard_boot_devices;
2437 int legacy = 0;
2438
2439 if (!strchr(optarg, '=')) {
2440 legacy = 1;
2441 pstrcpy(buf, sizeof(buf), optarg);
2442 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2443 fprintf(stderr,
2444 "qemu: unknown boot parameter '%s' in '%s'\n",
2445 buf, optarg);
2446 exit(1);
2447 }
2448
2449 if (legacy ||
2450 get_param_value(buf, sizeof(buf), "order", optarg)) {
2451 validate_bootdevices(buf);
2452 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2453 }
2454 if (!legacy) {
2455 if (get_param_value(buf, sizeof(buf),
2456 "once", optarg)) {
2457 validate_bootdevices(buf);
2458 standard_boot_devices = g_strdup(boot_devices);
2459 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2460 qemu_register_reset(restore_boot_devices,
2461 standard_boot_devices);
2462 }
2463 if (get_param_value(buf, sizeof(buf),
2464 "menu", optarg)) {
2465 if (!strcmp(buf, "on")) {
2466 boot_menu = 1;
2467 } else if (!strcmp(buf, "off")) {
2468 boot_menu = 0;
2469 } else {
2470 fprintf(stderr,
2471 "qemu: invalid option value '%s'\n",
2472 buf);
2473 exit(1);
2474 }
2475 }
2476 qemu_opts_parse(qemu_find_opts("boot-opts"),
2477 optarg, 0);
2478 }
2479 }
2480 break;
2481 case QEMU_OPTION_fda:
2482 case QEMU_OPTION_fdb:
2483 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2484 optarg, FD_OPTS);
2485 break;
2486 case QEMU_OPTION_no_fd_bootchk:
2487 fd_bootchk = 0;
2488 break;
2489 case QEMU_OPTION_netdev:
2490 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2491 exit(1);
2492 }
2493 break;
2494 case QEMU_OPTION_net:
2495 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2496 exit(1);
2497 }
2498 break;
2499 #ifdef CONFIG_SLIRP
2500 case QEMU_OPTION_tftp:
2501 legacy_tftp_prefix = optarg;
2502 break;
2503 case QEMU_OPTION_bootp:
2504 legacy_bootp_filename = optarg;
2505 break;
2506 case QEMU_OPTION_redir:
2507 if (net_slirp_redir(optarg) < 0)
2508 exit(1);
2509 break;
2510 #endif
2511 case QEMU_OPTION_bt:
2512 add_device_config(DEV_BT, optarg);
2513 break;
2514 case QEMU_OPTION_audio_help:
2515 if (!(audio_available())) {
2516 printf("Option %s not supported for this target\n", popt->name);
2517 exit(1);
2518 }
2519 AUD_help ();
2520 exit (0);
2521 break;
2522 case QEMU_OPTION_soundhw:
2523 if (!(audio_available())) {
2524 printf("Option %s not supported for this target\n", popt->name);
2525 exit(1);
2526 }
2527 select_soundhw (optarg);
2528 break;
2529 case QEMU_OPTION_h:
2530 help(0);
2531 break;
2532 case QEMU_OPTION_version:
2533 version();
2534 exit(0);
2535 break;
2536 case QEMU_OPTION_m: {
2537 int64_t value;
2538
2539 value = strtosz(optarg, NULL);
2540 if (value < 0) {
2541 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2542 exit(1);
2543 }
2544
2545 if (value != (uint64_t)(ram_addr_t)value) {
2546 fprintf(stderr, "qemu: ram size too large\n");
2547 exit(1);
2548 }
2549 ram_size = value;
2550 break;
2551 }
2552 case QEMU_OPTION_mempath:
2553 mem_path = optarg;
2554 break;
2555 #ifdef MAP_POPULATE
2556 case QEMU_OPTION_mem_prealloc:
2557 mem_prealloc = 1;
2558 break;
2559 #endif
2560 case QEMU_OPTION_d:
2561 log_mask = optarg;
2562 break;
2563 case QEMU_OPTION_D:
2564 log_file = optarg;
2565 break;
2566 case QEMU_OPTION_s:
2567 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2568 break;
2569 case QEMU_OPTION_gdb:
2570 gdbstub_dev = optarg;
2571 break;
2572 case QEMU_OPTION_L:
2573 data_dir = optarg;
2574 break;
2575 case QEMU_OPTION_bios:
2576 bios_name = optarg;
2577 break;
2578 case QEMU_OPTION_singlestep:
2579 singlestep = 1;
2580 break;
2581 case QEMU_OPTION_S:
2582 autostart = 0;
2583 break;
2584 case QEMU_OPTION_k:
2585 keyboard_layout = optarg;
2586 break;
2587 case QEMU_OPTION_localtime:
2588 rtc_utc = 0;
2589 break;
2590 case QEMU_OPTION_vga:
2591 select_vgahw (optarg);
2592 break;
2593 case QEMU_OPTION_g:
2594 {
2595 const char *p;
2596 int w, h, depth;
2597 p = optarg;
2598 w = strtol(p, (char **)&p, 10);
2599 if (w <= 0) {
2600 graphic_error:
2601 fprintf(stderr, "qemu: invalid resolution or depth\n");
2602 exit(1);
2603 }
2604 if (*p != 'x')
2605 goto graphic_error;
2606 p++;
2607 h = strtol(p, (char **)&p, 10);
2608 if (h <= 0)
2609 goto graphic_error;
2610 if (*p == 'x') {
2611 p++;
2612 depth = strtol(p, (char **)&p, 10);
2613 if (depth != 8 && depth != 15 && depth != 16 &&
2614 depth != 24 && depth != 32)
2615 goto graphic_error;
2616 } else if (*p == '\0') {
2617 depth = graphic_depth;
2618 } else {
2619 goto graphic_error;
2620 }
2621
2622 graphic_width = w;
2623 graphic_height = h;
2624 graphic_depth = depth;
2625 }
2626 break;
2627 case QEMU_OPTION_echr:
2628 {
2629 char *r;
2630 term_escape_char = strtol(optarg, &r, 0);
2631 if (r == optarg)
2632 printf("Bad argument to echr\n");
2633 break;
2634 }
2635 case QEMU_OPTION_monitor:
2636 monitor_parse(optarg, "readline");
2637 default_monitor = 0;
2638 break;
2639 case QEMU_OPTION_qmp:
2640 monitor_parse(optarg, "control");
2641 default_monitor = 0;
2642 break;
2643 case QEMU_OPTION_mon:
2644 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2645 if (!opts) {
2646 exit(1);
2647 }
2648 default_monitor = 0;
2649 break;
2650 case QEMU_OPTION_chardev:
2651 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2652 if (!opts) {
2653 exit(1);
2654 }
2655 break;
2656 case QEMU_OPTION_fsdev:
2657 olist = qemu_find_opts("fsdev");
2658 if (!olist) {
2659 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2660 exit(1);
2661 }
2662 opts = qemu_opts_parse(olist, optarg, 1);
2663 if (!opts) {
2664 fprintf(stderr, "parse error: %s\n", optarg);
2665 exit(1);
2666 }
2667 break;
2668 case QEMU_OPTION_virtfs: {
2669 QemuOpts *fsdev;
2670 QemuOpts *device;
2671 const char *writeout;
2672
2673 olist = qemu_find_opts("virtfs");
2674 if (!olist) {
2675 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2676 exit(1);
2677 }
2678 opts = qemu_opts_parse(olist, optarg, 1);
2679 if (!opts) {
2680 fprintf(stderr, "parse error: %s\n", optarg);
2681 exit(1);
2682 }
2683
2684 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2685 qemu_opt_get(opts, "mount_tag") == NULL ||
2686 qemu_opt_get(opts, "path") == NULL) {
2687 fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
2688 "[security_model={mapped|passthrough|none}],"
2689 "mount_tag=tag.\n");
2690 exit(1);
2691 }
2692 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2693 qemu_opt_get(opts, "mount_tag"), 1);
2694 if (!fsdev) {
2695 fprintf(stderr, "duplicate fsdev id: %s\n",
2696 qemu_opt_get(opts, "mount_tag"));
2697 exit(1);
2698 }
2699
2700 writeout = qemu_opt_get(opts, "writeout");
2701 if (writeout) {
2702 #ifdef CONFIG_SYNC_FILE_RANGE
2703 qemu_opt_set(fsdev, "writeout", writeout);
2704 #else
2705 fprintf(stderr, "writeout=immediate not supported on "
2706 "this platform\n");
2707 exit(1);
2708 #endif
2709 }
2710 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2711 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2712 qemu_opt_set(fsdev, "security_model",
2713 qemu_opt_get(opts, "security_model"));
2714
2715 qemu_opt_set_bool(fsdev, "readonly",
2716 qemu_opt_get_bool(opts, "readonly", 0));
2717 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2718 qemu_opt_set(device, "driver", "virtio-9p-pci");
2719 qemu_opt_set(device, "fsdev",
2720 qemu_opt_get(opts, "mount_tag"));
2721 qemu_opt_set(device, "mount_tag",
2722 qemu_opt_get(opts, "mount_tag"));
2723 break;
2724 }
2725 case QEMU_OPTION_virtfs_synth: {
2726 QemuOpts *fsdev;
2727 QemuOpts *device;
2728
2729 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2730 if (!fsdev) {
2731 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2732 exit(1);
2733 }
2734 qemu_opt_set(fsdev, "fsdriver", "synth");
2735 qemu_opt_set(fsdev, "path", "/"); /* ignored */
2736
2737 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2738 qemu_opt_set(device, "driver", "virtio-9p-pci");
2739 qemu_opt_set(device, "fsdev", "v_synth");
2740 qemu_opt_set(device, "mount_tag", "v_synth");
2741 break;
2742 }
2743 case QEMU_OPTION_serial:
2744 add_device_config(DEV_SERIAL, optarg);
2745 default_serial = 0;
2746 if (strncmp(optarg, "mon:", 4) == 0) {
2747 default_monitor = 0;
2748 }
2749 break;
2750 case QEMU_OPTION_watchdog:
2751 if (watchdog) {
2752 fprintf(stderr,
2753 "qemu: only one watchdog option may be given\n");
2754 return 1;
2755 }
2756 watchdog = optarg;
2757 break;
2758 case QEMU_OPTION_watchdog_action:
2759 if (select_watchdog_action(optarg) == -1) {
2760 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2761 exit(1);
2762 }
2763 break;
2764 case QEMU_OPTION_virtiocon:
2765 add_device_config(DEV_VIRTCON, optarg);
2766 default_virtcon = 0;
2767 if (strncmp(optarg, "mon:", 4) == 0) {
2768 default_monitor = 0;
2769 }
2770 break;
2771 case QEMU_OPTION_parallel:
2772 add_device_config(DEV_PARALLEL, optarg);
2773 default_parallel = 0;
2774 if (strncmp(optarg, "mon:", 4) == 0) {
2775 default_monitor = 0;
2776 }
2777 break;
2778 case QEMU_OPTION_debugcon:
2779 add_device_config(DEV_DEBUGCON, optarg);
2780 break;
2781 case QEMU_OPTION_loadvm:
2782 loadvm = optarg;
2783 break;
2784 case QEMU_OPTION_full_screen:
2785 full_screen = 1;
2786 break;
2787 #ifdef CONFIG_SDL
2788 case QEMU_OPTION_no_frame:
2789 no_frame = 1;
2790 break;
2791 case QEMU_OPTION_alt_grab:
2792 alt_grab = 1;
2793 break;
2794 case QEMU_OPTION_ctrl_grab:
2795 ctrl_grab = 1;
2796 break;
2797 case QEMU_OPTION_no_quit:
2798 no_quit = 1;
2799 break;
2800 case QEMU_OPTION_sdl:
2801 display_type = DT_SDL;
2802 break;
2803 #else
2804 case QEMU_OPTION_no_frame:
2805 case QEMU_OPTION_alt_grab:
2806 case QEMU_OPTION_ctrl_grab:
2807 case QEMU_OPTION_no_quit:
2808 case QEMU_OPTION_sdl:
2809 fprintf(stderr, "SDL support is disabled\n");
2810 exit(1);
2811 #endif
2812 case QEMU_OPTION_pidfile:
2813 pid_file = optarg;
2814 break;
2815 case QEMU_OPTION_win2k_hack:
2816 win2k_install_hack = 1;
2817 break;
2818 case QEMU_OPTION_rtc_td_hack:
2819 rtc_td_hack = 1;
2820 break;
2821 case QEMU_OPTION_acpitable:
2822 do_acpitable_option(optarg);
2823 break;
2824 case QEMU_OPTION_smbios:
2825 do_smbios_option(optarg);
2826 break;
2827 case QEMU_OPTION_enable_kvm:
2828 olist = qemu_find_opts("machine");
2829 qemu_opts_reset(olist);
2830 qemu_opts_parse(olist, "accel=kvm", 0);
2831 break;
2832 case QEMU_OPTION_machine:
2833 olist = qemu_find_opts("machine");
2834 qemu_opts_reset(olist);
2835 opts = qemu_opts_parse(olist, optarg, 1);
2836 if (!opts) {
2837 fprintf(stderr, "parse error: %s\n", optarg);
2838 exit(1);
2839 }
2840 optarg = qemu_opt_get(opts, "type");
2841 if (optarg) {
2842 machine = machine_parse(optarg);
2843 }
2844 break;
2845 case QEMU_OPTION_usb:
2846 usb_enabled = 1;
2847 break;
2848 case QEMU_OPTION_usbdevice:
2849 usb_enabled = 1;
2850 add_device_config(DEV_USB, optarg);
2851 break;
2852 case QEMU_OPTION_device:
2853 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2854 exit(1);
2855 }
2856 break;
2857 case QEMU_OPTION_smp:
2858 smp_parse(optarg);
2859 if (smp_cpus < 1) {
2860 fprintf(stderr, "Invalid number of CPUs\n");
2861 exit(1);
2862 }
2863 if (max_cpus < smp_cpus) {
2864 fprintf(stderr, "maxcpus must be equal to or greater than "
2865 "smp\n");
2866 exit(1);
2867 }
2868 if (max_cpus > 255) {
2869 fprintf(stderr, "Unsupported number of maxcpus\n");
2870 exit(1);
2871 }
2872 break;
2873 case QEMU_OPTION_vnc:
2874 #ifdef CONFIG_VNC
2875 display_remote++;
2876 vnc_display = optarg;
2877 #else
2878 fprintf(stderr, "VNC support is disabled\n");
2879 exit(1);
2880 #endif
2881 break;
2882 case QEMU_OPTION_no_acpi:
2883 acpi_enabled = 0;
2884 break;
2885 case QEMU_OPTION_no_hpet:
2886 no_hpet = 1;
2887 break;
2888 case QEMU_OPTION_balloon:
2889 if (balloon_parse(optarg) < 0) {
2890 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2891 exit(1);
2892 }
2893 break;
2894 case QEMU_OPTION_no_reboot:
2895 no_reboot = 1;
2896 break;
2897 case QEMU_OPTION_no_shutdown:
2898 no_shutdown = 1;
2899 break;
2900 case QEMU_OPTION_show_cursor:
2901 cursor_hide = 0;
2902 break;
2903 case QEMU_OPTION_uuid:
2904 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2905 fprintf(stderr, "Fail to parse UUID string."
2906 " Wrong format.\n");
2907 exit(1);
2908 }
2909 break;
2910 case QEMU_OPTION_option_rom:
2911 if (nb_option_roms >= MAX_OPTION_ROMS) {
2912 fprintf(stderr, "Too many option ROMs\n");
2913 exit(1);
2914 }
2915 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2916 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2917 option_rom[nb_option_roms].bootindex =
2918 qemu_opt_get_number(opts, "bootindex", -1);
2919 if (!option_rom[nb_option_roms].name) {
2920 fprintf(stderr, "Option ROM file is not specified\n");
2921 exit(1);
2922 }
2923 nb_option_roms++;
2924 break;
2925 case QEMU_OPTION_semihosting:
2926 semihosting_enabled = 1;
2927 break;
2928 case QEMU_OPTION_name:
2929 qemu_name = g_strdup(optarg);
2930 {
2931 char *p = strchr(qemu_name, ',');
2932 if (p != NULL) {
2933 *p++ = 0;
2934 if (strncmp(p, "process=", 8)) {
2935 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2936 exit(1);
2937 }
2938 p += 8;
2939 os_set_proc_name(p);
2940 }
2941 }
2942 break;
2943 case QEMU_OPTION_prom_env:
2944 if (nb_prom_envs >= MAX_PROM_ENVS) {
2945 fprintf(stderr, "Too many prom variables\n");
2946 exit(1);
2947 }
2948 prom_envs[nb_prom_envs] = optarg;
2949 nb_prom_envs++;
2950 break;
2951 case QEMU_OPTION_old_param:
2952 old_param = 1;
2953 break;
2954 case QEMU_OPTION_clock:
2955 configure_alarms(optarg);
2956 break;
2957 case QEMU_OPTION_startdate:
2958 configure_rtc_date_offset(optarg, 1);
2959 break;
2960 case QEMU_OPTION_rtc:
2961 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2962 if (!opts) {
2963 exit(1);
2964 }
2965 configure_rtc(opts);
2966 break;
2967 case QEMU_OPTION_tb_size:
2968 tcg_tb_size = strtol(optarg, NULL, 0);
2969 if (tcg_tb_size < 0) {
2970 tcg_tb_size = 0;
2971 }
2972 break;
2973 case QEMU_OPTION_icount:
2974 icount_option = optarg;
2975 break;
2976 case QEMU_OPTION_incoming:
2977 incoming = optarg;
2978 break;
2979 case QEMU_OPTION_nodefaults:
2980 default_serial = 0;
2981 default_parallel = 0;
2982 default_virtcon = 0;
2983 default_monitor = 0;
2984 default_vga = 0;
2985 default_net = 0;
2986 default_floppy = 0;
2987 default_cdrom = 0;
2988 default_sdcard = 0;
2989 break;
2990 case QEMU_OPTION_xen_domid:
2991 if (!(xen_available())) {
2992 printf("Option %s not supported for this target\n", popt->name);
2993 exit(1);
2994 }
2995 xen_domid = atoi(optarg);
2996 break;
2997 case QEMU_OPTION_xen_create:
2998 if (!(xen_available())) {
2999 printf("Option %s not supported for this target\n", popt->name);
3000 exit(1);
3001 }
3002 xen_mode = XEN_CREATE;
3003 break;
3004 case QEMU_OPTION_xen_attach:
3005 if (!(xen_available())) {
3006 printf("Option %s not supported for this target\n", popt->name);
3007 exit(1);
3008 }
3009 xen_mode = XEN_ATTACH;
3010 break;
3011 case QEMU_OPTION_trace:
3012 {
3013 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3014 if (!opts) {
3015 exit(1);
3016 }
3017 trace_events = qemu_opt_get(opts, "events");
3018 trace_file = qemu_opt_get(opts, "file");
3019 break;
3020 }
3021 case QEMU_OPTION_readconfig:
3022 {
3023 int ret = qemu_read_config_file(optarg);
3024 if (ret < 0) {
3025 fprintf(stderr, "read config %s: %s\n", optarg,
3026 strerror(-ret));
3027 exit(1);
3028 }
3029 break;
3030 }
3031 case QEMU_OPTION_spice:
3032 olist = qemu_find_opts("spice");
3033 if (!olist) {
3034 fprintf(stderr, "spice is not supported by this qemu build.\n");
3035 exit(1);
3036 }
3037 opts = qemu_opts_parse(olist, optarg, 0);
3038 if (!opts) {
3039 fprintf(stderr, "parse error: %s\n", optarg);
3040 exit(1);
3041 }
3042 break;
3043 case QEMU_OPTION_writeconfig:
3044 {
3045 FILE *fp;
3046 if (strcmp(optarg, "-") == 0) {
3047 fp = stdout;
3048 } else {
3049 fp = fopen(optarg, "w");
3050 if (fp == NULL) {
3051 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3052 exit(1);
3053 }
3054 }
3055 qemu_config_write(fp);
3056 fclose(fp);
3057 break;
3058 }
3059 default:
3060 os_parse_cmd_args(popt->index, optarg);
3061 }
3062 }
3063 }
3064 loc_set_none();
3065
3066 /* Open the logfile at this point, if necessary. We can't open the logfile
3067 * when encountering either of the logging options (-d or -D) because the
3068 * other one may be encountered later on the command line, changing the
3069 * location or level of logging.
3070 */
3071 if (log_mask) {
3072 if (log_file) {
3073 set_cpu_log_filename(log_file);
3074 }
3075 set_cpu_log(log_mask);
3076 }
3077
3078 if (!trace_backend_init(trace_events, trace_file)) {
3079 exit(1);
3080 }
3081
3082 /* If no data_dir is specified then try to find it relative to the
3083 executable path. */
3084 if (!data_dir) {
3085 data_dir = os_find_datadir(argv[0]);
3086 }
3087 /* If all else fails use the install path specified when building. */
3088 if (!data_dir) {
3089 data_dir = CONFIG_QEMU_DATADIR;
3090 }
3091
3092 if (machine == NULL) {
3093 fprintf(stderr, "No machine found.\n");
3094 exit(1);
3095 }
3096
3097 /*
3098 * Default to max_cpus = smp_cpus, in case the user doesn't
3099 * specify a max_cpus value.
3100 */
3101 if (!max_cpus)
3102 max_cpus = smp_cpus;
3103
3104 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3105 if (smp_cpus > machine->max_cpus) {
3106 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3107 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3108 machine->max_cpus);
3109 exit(1);
3110 }
3111
3112 /*
3113 * Get the default machine options from the machine if it is not already
3114 * specified either by the configuration file or by the command line.
3115 */
3116 if (machine->default_machine_opts) {
3117 QemuOptsList *list = qemu_find_opts("machine");
3118 const char *p = NULL;
3119
3120 if (!QTAILQ_EMPTY(&list->head)) {
3121 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3122 }
3123 if (p == NULL) {
3124 qemu_opts_reset(list);
3125 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3126 if (!opts) {
3127 fprintf(stderr, "parse error for machine %s: %s\n",
3128 machine->name, machine->default_machine_opts);
3129 exit(1);
3130 }
3131 }
3132 }
3133
3134 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3135 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3136
3137 if (machine->no_serial) {
3138 default_serial = 0;
3139 }
3140 if (machine->no_parallel) {
3141 default_parallel = 0;
3142 }
3143 if (!machine->use_virtcon) {
3144 default_virtcon = 0;
3145 }
3146 if (machine->no_vga) {
3147 default_vga = 0;
3148 }
3149 if (machine->no_floppy) {
3150 default_floppy = 0;
3151 }
3152 if (machine->no_cdrom) {
3153 default_cdrom = 0;
3154 }
3155 if (machine->no_sdcard) {
3156 default_sdcard = 0;
3157 }
3158
3159 if (display_type == DT_NOGRAPHIC) {
3160 if (default_parallel)
3161 add_device_config(DEV_PARALLEL, "null");
3162 if (default_serial && default_monitor) {
3163 add_device_config(DEV_SERIAL, "mon:stdio");
3164 } else if (default_virtcon && default_monitor) {
3165 add_device_config(DEV_VIRTCON, "mon:stdio");
3166 } else {
3167 if (default_serial)
3168 add_device_config(DEV_SERIAL, "stdio");
3169 if (default_virtcon)
3170 add_device_config(DEV_VIRTCON, "stdio");
3171 if (default_monitor)
3172 monitor_parse("stdio", "readline");
3173 }
3174 } else {
3175 if (default_serial)
3176 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3177 if (default_parallel)
3178 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3179 if (default_monitor)
3180 monitor_parse("vc:80Cx24C", "readline");
3181 if (default_virtcon)
3182 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3183 }
3184 if (default_vga)
3185 vga_interface_type = VGA_CIRRUS;
3186
3187 socket_init();
3188
3189 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3190 exit(1);
3191 #ifdef CONFIG_VIRTFS
3192 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3193 exit(1);
3194 }
3195 #endif
3196
3197 os_daemonize();
3198
3199 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3200 os_pidfile_error();
3201 exit(1);
3202 }
3203
3204 /* init the memory */
3205 if (ram_size == 0) {
3206 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3207 }
3208
3209 configure_accelerator();
3210
3211 qemu_init_cpu_loop();
3212 if (qemu_init_main_loop()) {
3213 fprintf(stderr, "qemu_init_main_loop failed\n");
3214 exit(1);
3215 }
3216 linux_boot = (kernel_filename != NULL);
3217
3218 if (!linux_boot && *kernel_cmdline != '\0') {
3219 fprintf(stderr, "-append only allowed with -kernel option\n");
3220 exit(1);
3221 }
3222
3223 if (!linux_boot && initrd_filename != NULL) {
3224 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3225 exit(1);
3226 }
3227
3228 os_set_line_buffering();
3229
3230 if (init_timer_alarm() < 0) {
3231 fprintf(stderr, "could not initialize alarm timer\n");
3232 exit(1);
3233 }
3234
3235 if (icount_option && (kvm_enabled() || xen_enabled())) {
3236 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3237 exit(1);
3238 }
3239 configure_icount(icount_option);
3240
3241 if (net_init_clients() < 0) {
3242 exit(1);
3243 }
3244
3245 /* init the bluetooth world */
3246 if (foreach_device_config(DEV_BT, bt_parse))
3247 exit(1);
3248
3249 if (!xen_enabled()) {
3250 /* On 32-bit hosts, QEMU is limited by virtual address space */
3251 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3252 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3253 exit(1);
3254 }
3255 }
3256
3257 cpu_exec_init_all();
3258
3259 bdrv_init_with_whitelist();
3260
3261 blk_mig_init();
3262
3263 /* open the virtual block devices */
3264 if (snapshot)
3265 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3266 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3267 exit(1);
3268
3269 default_drive(default_cdrom, snapshot, machine->use_scsi,
3270 IF_DEFAULT, 2, CDROM_OPTS);
3271 default_drive(default_floppy, snapshot, machine->use_scsi,
3272 IF_FLOPPY, 0, FD_OPTS);
3273 default_drive(default_sdcard, snapshot, machine->use_scsi,
3274 IF_SD, 0, SD_OPTS);
3275
3276 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3277 ram_load, NULL);
3278
3279 if (nb_numa_nodes > 0) {
3280 int i;
3281
3282 if (nb_numa_nodes > MAX_NODES) {
3283 nb_numa_nodes = MAX_NODES;
3284 }
3285
3286 /* If no memory size if given for any node, assume the default case
3287 * and distribute the available memory equally across all nodes
3288 */
3289 for (i = 0; i < nb_numa_nodes; i++) {
3290 if (node_mem[i] != 0)
3291 break;
3292 }
3293 if (i == nb_numa_nodes) {
3294 uint64_t usedmem = 0;
3295
3296 /* On Linux, the each node's border has to be 8MB aligned,
3297 * the final node gets the rest.
3298 */
3299 for (i = 0; i < nb_numa_nodes - 1; i++) {
3300 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3301 usedmem += node_mem[i];
3302 }
3303 node_mem[i] = ram_size - usedmem;
3304 }
3305
3306 for (i = 0; i < nb_numa_nodes; i++) {
3307 if (node_cpumask[i] != 0)
3308 break;
3309 }
3310 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3311 * must cope with this anyway, because there are BIOSes out there in
3312 * real machines which also use this scheme.
3313 */
3314 if (i == nb_numa_nodes) {
3315 for (i = 0; i < smp_cpus; i++) {
3316 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3317 }
3318 }
3319 }
3320
3321 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3322 exit(1);
3323 }
3324
3325 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3326 exit(1);
3327 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3328 exit(1);
3329 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3330 exit(1);
3331 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3332 exit(1);
3333
3334 module_call_init(MODULE_INIT_DEVICE);
3335
3336 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3337 exit(0);
3338
3339 if (watchdog) {
3340 i = select_watchdog(watchdog);
3341 if (i > 0)
3342 exit (i == 1 ? 1 : 0);
3343 }
3344
3345 if (machine->compat_props) {
3346 qdev_prop_register_global_list(machine->compat_props);
3347 }
3348 qemu_add_globals();
3349
3350 machine->init(ram_size, boot_devices,
3351 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3352
3353 cpu_synchronize_all_post_init();
3354
3355 set_numa_modes();
3356
3357 current_machine = machine;
3358
3359 /* init USB devices */
3360 if (usb_enabled) {
3361 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3362 exit(1);
3363 }
3364
3365 /* init generic devices */
3366 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3367 exit(1);
3368
3369 net_check_clients();
3370
3371 /* just use the first displaystate for the moment */
3372 ds = get_displaystate();
3373
3374 if (using_spice)
3375 display_remote++;
3376 if (display_type == DT_DEFAULT && !display_remote) {
3377 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3378 display_type = DT_SDL;
3379 #elif defined(CONFIG_VNC)
3380 vnc_display = "localhost:0,to=99";
3381 show_vnc_port = 1;
3382 #else
3383 display_type = DT_NONE;
3384 #endif
3385 }
3386
3387
3388 /* init local displays */
3389 switch (display_type) {
3390 case DT_NOGRAPHIC:
3391 break;
3392 #if defined(CONFIG_CURSES)
3393 case DT_CURSES:
3394 curses_display_init(ds, full_screen);
3395 break;
3396 #endif
3397 #if defined(CONFIG_SDL)
3398 case DT_SDL:
3399 sdl_display_init(ds, full_screen, no_frame);
3400 break;
3401 #elif defined(CONFIG_COCOA)
3402 case DT_SDL:
3403 cocoa_display_init(ds, full_screen);
3404 break;
3405 #endif
3406 default:
3407 break;
3408 }
3409
3410 /* must be after terminal init, SDL library changes signal handlers */
3411 os_setup_signal_handling();
3412
3413 #ifdef CONFIG_VNC
3414 /* init remote displays */
3415 if (vnc_display) {
3416 vnc_display_init(ds);
3417 if (vnc_display_open(ds, vnc_display) < 0)
3418 exit(1);
3419
3420 if (show_vnc_port) {
3421 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3422 }
3423 }
3424 #endif
3425 #ifdef CONFIG_SPICE
3426 if (using_spice && !qxl_enabled) {
3427 qemu_spice_display_init(ds);
3428 }
3429 #endif
3430
3431 /* display setup */
3432 dpy_resize(ds);
3433 dcl = ds->listeners;
3434 while (dcl != NULL) {
3435 if (dcl->dpy_refresh != NULL) {
3436 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3437 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3438 break;
3439 }
3440 dcl = dcl->next;
3441 }
3442 text_consoles_set_display(ds);
3443
3444 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3445 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3446 gdbstub_dev);
3447 exit(1);
3448 }
3449
3450 qdev_machine_creation_done();
3451
3452 if (rom_load_all() != 0) {
3453 fprintf(stderr, "rom loading failed\n");
3454 exit(1);
3455 }
3456
3457 /* TODO: once all bus devices are qdevified, this should be done
3458 * when bus is created by qdev.c */
3459 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3460 qemu_run_machine_init_done_notifiers();
3461
3462 qemu_system_reset(VMRESET_SILENT);
3463 if (loadvm) {
3464 if (load_vmstate(loadvm) < 0) {
3465 autostart = 0;
3466 }
3467 }
3468
3469 if (incoming) {
3470 runstate_set(RUN_STATE_INMIGRATE);
3471 int ret = qemu_start_incoming_migration(incoming);
3472 if (ret < 0) {
3473 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3474 incoming, ret);
3475 exit(ret);
3476 }
3477 } else if (autostart) {
3478 vm_start();
3479 }
3480
3481 os_setup_post();
3482
3483 resume_all_vcpus();
3484 main_loop();
3485 bdrv_close_all();
3486 pause_all_vcpus();
3487 net_cleanup();
3488 res_free();
3489
3490 return 0;
3491 }
Qemu with PowerPC KVM improvements