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0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB
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.
0824d6fc 23 */
0824d6fc 24#include <unistd.h>
0824d6fc
FB
25#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
0824d6fc 28#include <errno.h>
67b915a5 29#include <sys/time.h>
c88676f8 30#include <zlib.h>
67b915a5 31
71e72a19 32/* Needed early for CONFIG_BSD etc. */
d40cdb10 33#include "config-host.h"
96555a96
BS
34/* Needed early to override system queue definitions on BSD */
35#include "sys-queue.h"
d40cdb10 36
67b915a5 37#ifndef _WIN32
5cea8590 38#include <libgen.h>
0858532e 39#include <pwd.h>
67b915a5 40#include <sys/times.h>
f1510b2c 41#include <sys/wait.h>
67b915a5 42#include <termios.h>
67b915a5 43#include <sys/mman.h>
f1510b2c 44#include <sys/ioctl.h>
24646c7e 45#include <sys/resource.h>
f1510b2c 46#include <sys/socket.h>
c94c8d64 47#include <netinet/in.h>
24646c7e
BS
48#include <net/if.h>
49#if defined(__NetBSD__)
50#include <net/if_tap.h>
51#endif
52#ifdef __linux__
53#include <linux/if_tun.h>
54#endif
55#include <arpa/inet.h>
9d728e8c 56#include <dirent.h>
7c9d8e07 57#include <netdb.h>
cb4b976b 58#include <sys/select.h>
71e72a19 59#ifdef CONFIG_BSD
7d3505c5 60#include <sys/stat.h>
c5e97233 61#if defined(__FreeBSD__) || defined(__DragonFly__)
7d3505c5 62#include <libutil.h>
24646c7e
BS
63#else
64#include <util.h>
128ab2ff 65#endif
5c40d2bd
TS
66#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
67#include <freebsd/stdlib.h>
7d3505c5 68#else
223f0d72 69#ifdef __linux__
7d3505c5
FB
70#include <pty.h>
71#include <malloc.h>
fd872598 72#include <linux/rtc.h>
1889465a 73#include <sys/prctl.h>
bd494f4c
TS
74
75/* For the benefit of older linux systems which don't supply it,
76 we use a local copy of hpet.h. */
77/* #include <linux/hpet.h> */
78#include "hpet.h"
79
e57a8c0e 80#include <linux/ppdev.h>
5867c88a 81#include <linux/parport.h>
223f0d72
BS
82#endif
83#ifdef __sun__
d5d10bc3
TS
84#include <sys/stat.h>
85#include <sys/ethernet.h>
86#include <sys/sockio.h>
d5d10bc3
TS
87#include <netinet/arp.h>
88#include <netinet/in.h>
89#include <netinet/in_systm.h>
90#include <netinet/ip.h>
91#include <netinet/ip_icmp.h> // must come after ip.h
92#include <netinet/udp.h>
93#include <netinet/tcp.h>
94#include <net/if.h>
95#include <syslog.h>
96#include <stropts.h>
67b915a5 97#endif
7d3505c5 98#endif
ec530c81 99#endif
67b915a5 100
9892fbfb
BS
101#if defined(__OpenBSD__)
102#include <util.h>
103#endif
104
8a16d273
TS
105#if defined(CONFIG_VDE)
106#include <libvdeplug.h>
107#endif
108
67b915a5 109#ifdef _WIN32
49dc768d 110#include <windows.h>
4fddf62a 111#include <mmsystem.h>
67b915a5
FB
112#endif
113
73332e5c 114#ifdef CONFIG_SDL
59a36a2f 115#if defined(__APPLE__) || defined(main)
6693665a 116#include <SDL.h>
880fec5d 117int qemu_main(int argc, char **argv, char **envp);
118int main(int argc, char **argv)
119{
59a36a2f 120 return qemu_main(argc, argv, NULL);
880fec5d 121}
122#undef main
123#define main qemu_main
96bcd4f8 124#endif
73332e5c 125#endif /* CONFIG_SDL */
0824d6fc 126
5b0753e0
FB
127#ifdef CONFIG_COCOA
128#undef main
129#define main qemu_main
130#endif /* CONFIG_COCOA */
131
511d2b14
BS
132#include "hw/hw.h"
133#include "hw/boards.h"
134#include "hw/usb.h"
135#include "hw/pcmcia.h"
136#include "hw/pc.h"
137#include "hw/audiodev.h"
138#include "hw/isa.h"
139#include "hw/baum.h"
140#include "hw/bt.h"
9dd986cc 141#include "hw/watchdog.h"
b6f6e3d3 142#include "hw/smbios.h"
e37630ca 143#include "hw/xen.h"
bd3c948d 144#include "hw/qdev.h"
5ef4efa4 145#include "bt-host.h"
511d2b14
BS
146#include "net.h"
147#include "monitor.h"
148#include "console.h"
149#include "sysemu.h"
150#include "gdbstub.h"
151#include "qemu-timer.h"
152#include "qemu-char.h"
153#include "cache-utils.h"
154#include "block.h"
a718acec 155#include "dma.h"
511d2b14
BS
156#include "audio/audio.h"
157#include "migration.h"
158#include "kvm.h"
159#include "balloon.h"
d3f24367 160#include "qemu-option.h"
7282a033 161#include "qemu-config.h"
511d2b14 162
0824d6fc 163#include "disas.h"
fc01f7e7 164
8a7ddc38 165#include "exec-all.h"
0824d6fc 166
511d2b14
BS
167#include "qemu_socket.h"
168
d918f23e 169#include "slirp/libslirp.h"
511d2b14 170
9dc63a1e
BS
171//#define DEBUG_NET
172//#define DEBUG_SLIRP
330d0414 173
1bfe856e 174#define DEFAULT_RAM_SIZE 128
313aa567 175
ddd9bbd9
JK
176/* Maximum number of monitor devices */
177#define MAX_MONITOR_DEVICES 10
178
5cea8590 179static const char *data_dir;
1192dad8 180const char *bios_name = NULL;
e4bcb14c 181/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 182 to store the VM snapshots */
751c6a17 183struct drivelist drives = TAILQ_HEAD_INITIALIZER(drives);
3b0ba927 184struct driveoptlist driveopts = TAILQ_HEAD_INITIALIZER(driveopts);
cb5a7aa8 185enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
3023f332 186static DisplayState *display_state;
993fbfdb 187DisplayType display_type = DT_DEFAULT;
3d11d0eb 188const char* keyboard_layout = NULL;
313aa567 189int64_t ticks_per_sec;
00f82b8a 190ram_addr_t ram_size;
c4b1fcc0 191int nb_nics;
7c9d8e07 192NICInfo nd_table[MAX_NICS];
8a7ddc38 193int vm_running;
d399f677 194int autostart;
f6503059
AZ
195static int rtc_utc = 1;
196static int rtc_date_offset = -1; /* -1 means no change */
86176759 197int vga_interface_type = VGA_CIRRUS;
d827220b
FB
198#ifdef TARGET_SPARC
199int graphic_width = 1024;
200int graphic_height = 768;
eee0b836 201int graphic_depth = 8;
d827220b 202#else
1bfe856e
FB
203int graphic_width = 800;
204int graphic_height = 600;
e9b137c2 205int graphic_depth = 15;
eee0b836 206#endif
dbed7e40 207static int full_screen = 0;
634a21f6 208#ifdef CONFIG_SDL
dbed7e40 209static int no_frame = 0;
634a21f6 210#endif
667accab 211int no_quit = 0;
8d11df9e 212CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 213CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 214CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f
FB
215#ifdef TARGET_I386
216int win2k_install_hack = 0;
73822ec8 217int rtc_td_hack = 0;
a09db21f 218#endif
bb36d470 219int usb_enabled = 0;
1b530a6d 220int singlestep = 0;
6a00d601 221int smp_cpus = 1;
6be68d7e 222int max_cpus = 0;
dc6b1c09
AP
223int smp_cores = 1;
224int smp_threads = 1;
73fc9742 225const char *vnc_display;
6515b203 226int acpi_enabled = 1;
16b29ae1 227int no_hpet = 0;
52ca8d6a 228int fd_bootchk = 1;
d1beab82 229int no_reboot = 0;
b2f76161 230int no_shutdown = 0;
9467cd46 231int cursor_hide = 1;
a171fe39 232int graphic_rotate = 0;
6b35e7bf 233uint8_t irq0override = 1;
b9e82a59 234#ifndef _WIN32
71e3ceb8 235int daemonize = 0;
b9e82a59 236#endif
09aaa160 237const char *watchdog;
9ae02555
TS
238const char *option_rom[MAX_OPTION_ROMS];
239int nb_option_roms;
8e71621f 240int semihosting_enabled = 0;
2b8f2d41
AZ
241#ifdef TARGET_ARM
242int old_param = 0;
243#endif
c35734b2 244const char *qemu_name;
3780e197 245int alt_grab = 0;
95efd11c 246#if defined(TARGET_SPARC) || defined(TARGET_PPC)
66508601
BS
247unsigned int nb_prom_envs = 0;
248const char *prom_envs[MAX_PROM_ENVS];
249#endif
95387491 250int boot_menu;
0824d6fc 251
268a362c
AL
252int nb_numa_nodes;
253uint64_t node_mem[MAX_NODES];
254uint64_t node_cpumask[MAX_NODES];
255
ee5605e5
AZ
256static CPUState *cur_cpu;
257static CPUState *next_cpu;
43b96858 258static int timer_alarm_pending = 1;
bf20dc07 259/* Conversion factor from emulated instructions to virtual clock ticks. */
2e70f6ef 260static int icount_time_shift;
bf20dc07 261/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
2e70f6ef
PB
262#define MAX_ICOUNT_SHIFT 10
263/* Compensate for varying guest execution speed. */
264static int64_t qemu_icount_bias;
dbed7e40
BS
265static QEMUTimer *icount_rt_timer;
266static QEMUTimer *icount_vm_timer;
9043b62d 267static QEMUTimer *nographic_timer;
ee5605e5 268
8fcb1b90
BS
269uint8_t qemu_uuid[16];
270
76e30d0f
JK
271static QEMUBootSetHandler *boot_set_handler;
272static void *boot_set_opaque;
273
0824d6fc 274/***********************************************************/
26aa7d72
FB
275/* x86 ISA bus support */
276
277target_phys_addr_t isa_mem_base = 0;
3de388f6 278PicState2 *isa_pic;
0824d6fc 279
0824d6fc 280/***********************************************************/
0824d6fc
FB
281void hw_error(const char *fmt, ...)
282{
283 va_list ap;
6a00d601 284 CPUState *env;
0824d6fc
FB
285
286 va_start(ap, fmt);
287 fprintf(stderr, "qemu: hardware error: ");
288 vfprintf(stderr, fmt, ap);
289 fprintf(stderr, "\n");
6a00d601
FB
290 for(env = first_cpu; env != NULL; env = env->next_cpu) {
291 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
0824d6fc 292#ifdef TARGET_I386
6a00d601 293 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
c45886db 294#else
6a00d601 295 cpu_dump_state(env, stderr, fprintf, 0);
0824d6fc 296#endif
6a00d601 297 }
0824d6fc
FB
298 va_end(ap);
299 abort();
300}
1889465a
AK
301
302static void set_proc_name(const char *s)
303{
6ca8d0fd 304#if defined(__linux__) && defined(PR_SET_NAME)
1889465a
AK
305 char name[16];
306 if (!s)
307 return;
308 name[sizeof(name) - 1] = 0;
309 strncpy(name, s, sizeof(name));
310 /* Could rewrite argv[0] too, but that's a bit more complicated.
311 This simple way is enough for `top'. */
312 prctl(PR_SET_NAME, name);
313#endif
314}
df751fa8
AL
315
316/***************/
317/* ballooning */
318
319static QEMUBalloonEvent *qemu_balloon_event;
320void *qemu_balloon_event_opaque;
321
322void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
323{
324 qemu_balloon_event = func;
325 qemu_balloon_event_opaque = opaque;
326}
327
328void qemu_balloon(ram_addr_t target)
329{
330 if (qemu_balloon_event)
331 qemu_balloon_event(qemu_balloon_event_opaque, target);
332}
333
334ram_addr_t qemu_balloon_status(void)
335{
336 if (qemu_balloon_event)
337 return qemu_balloon_event(qemu_balloon_event_opaque, 0);
338 return 0;
339}
0824d6fc 340
63066f4f
FB
341/***********************************************************/
342/* keyboard/mouse */
343
344static QEMUPutKBDEvent *qemu_put_kbd_event;
345static void *qemu_put_kbd_event_opaque;
455204eb
TS
346static QEMUPutMouseEntry *qemu_put_mouse_event_head;
347static QEMUPutMouseEntry *qemu_put_mouse_event_current;
63066f4f
FB
348
349void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
350{
351 qemu_put_kbd_event_opaque = opaque;
352 qemu_put_kbd_event = func;
353}
354
455204eb
TS
355QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
356 void *opaque, int absolute,
357 const char *name)
63066f4f 358{
455204eb
TS
359 QEMUPutMouseEntry *s, *cursor;
360
361 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
455204eb
TS
362
363 s->qemu_put_mouse_event = func;
364 s->qemu_put_mouse_event_opaque = opaque;
365 s->qemu_put_mouse_event_absolute = absolute;
366 s->qemu_put_mouse_event_name = qemu_strdup(name);
367 s->next = NULL;
368
369 if (!qemu_put_mouse_event_head) {
370 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
371 return s;
372 }
373
374 cursor = qemu_put_mouse_event_head;
375 while (cursor->next != NULL)
376 cursor = cursor->next;
377
378 cursor->next = s;
379 qemu_put_mouse_event_current = s;
380
381 return s;
382}
383
384void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
385{
386 QEMUPutMouseEntry *prev = NULL, *cursor;
387
388 if (!qemu_put_mouse_event_head || entry == NULL)
389 return;
390
391 cursor = qemu_put_mouse_event_head;
392 while (cursor != NULL && cursor != entry) {
393 prev = cursor;
394 cursor = cursor->next;
395 }
396
397 if (cursor == NULL) // does not exist or list empty
398 return;
399 else if (prev == NULL) { // entry is head
400 qemu_put_mouse_event_head = cursor->next;
401 if (qemu_put_mouse_event_current == entry)
402 qemu_put_mouse_event_current = cursor->next;
403 qemu_free(entry->qemu_put_mouse_event_name);
404 qemu_free(entry);
405 return;
406 }
407
408 prev->next = entry->next;
409
410 if (qemu_put_mouse_event_current == entry)
411 qemu_put_mouse_event_current = prev;
412
413 qemu_free(entry->qemu_put_mouse_event_name);
414 qemu_free(entry);
63066f4f
FB
415}
416
417void kbd_put_keycode(int keycode)
418{
419 if (qemu_put_kbd_event) {
420 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
421 }
422}
423
424void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
425{
455204eb
TS
426 QEMUPutMouseEvent *mouse_event;
427 void *mouse_event_opaque;
a171fe39 428 int width;
455204eb
TS
429
430 if (!qemu_put_mouse_event_current) {
431 return;
432 }
433
434 mouse_event =
435 qemu_put_mouse_event_current->qemu_put_mouse_event;
436 mouse_event_opaque =
437 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
438
439 if (mouse_event) {
a171fe39
AZ
440 if (graphic_rotate) {
441 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
442 width = 0x7fff;
443 else
b94ed577 444 width = graphic_width - 1;
a171fe39
AZ
445 mouse_event(mouse_event_opaque,
446 width - dy, dx, dz, buttons_state);
447 } else
448 mouse_event(mouse_event_opaque,
449 dx, dy, dz, buttons_state);
63066f4f
FB
450 }
451}
452
09b26c5e
FB
453int kbd_mouse_is_absolute(void)
454{
455204eb
TS
455 if (!qemu_put_mouse_event_current)
456 return 0;
457
458 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
459}
460
376253ec 461void do_info_mice(Monitor *mon)
455204eb
TS
462{
463 QEMUPutMouseEntry *cursor;
464 int index = 0;
465
466 if (!qemu_put_mouse_event_head) {
376253ec 467 monitor_printf(mon, "No mouse devices connected\n");
455204eb
TS
468 return;
469 }
470
376253ec 471 monitor_printf(mon, "Mouse devices available:\n");
455204eb
TS
472 cursor = qemu_put_mouse_event_head;
473 while (cursor != NULL) {
376253ec
AL
474 monitor_printf(mon, "%c Mouse #%d: %s\n",
475 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
476 index, cursor->qemu_put_mouse_event_name);
455204eb
TS
477 index++;
478 cursor = cursor->next;
479 }
480}
481
d54908a5 482void do_mouse_set(Monitor *mon, const QDict *qdict)
455204eb
TS
483{
484 QEMUPutMouseEntry *cursor;
485 int i = 0;
d54908a5 486 int index = qdict_get_int(qdict, "index");
455204eb
TS
487
488 if (!qemu_put_mouse_event_head) {
376253ec 489 monitor_printf(mon, "No mouse devices connected\n");
455204eb
TS
490 return;
491 }
492
493 cursor = qemu_put_mouse_event_head;
494 while (cursor != NULL && index != i) {
495 i++;
496 cursor = cursor->next;
497 }
498
499 if (cursor != NULL)
500 qemu_put_mouse_event_current = cursor;
501 else
376253ec 502 monitor_printf(mon, "Mouse at given index not found\n");
09b26c5e
FB
503}
504
1dce7c3c
FB
505/* compute with 96 bit intermediate result: (a*b)/c */
506uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 507{
1dce7c3c
FB
508 union {
509 uint64_t ll;
510 struct {
e2542fe2 511#ifdef HOST_WORDS_BIGENDIAN
1dce7c3c
FB
512 uint32_t high, low;
513#else
514 uint32_t low, high;
3b46e624 515#endif
1dce7c3c
FB
516 } l;
517 } u, res;
518 uint64_t rl, rh;
0824d6fc 519
1dce7c3c
FB
520 u.ll = a;
521 rl = (uint64_t)u.l.low * (uint64_t)b;
522 rh = (uint64_t)u.l.high * (uint64_t)b;
523 rh += (rl >> 32);
524 res.l.high = rh / c;
525 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
526 return res.ll;
34865134
FB
527}
528
1dce7c3c
FB
529/***********************************************************/
530/* real time host monotonic timer */
34865134 531
1dce7c3c 532#define QEMU_TIMER_BASE 1000000000LL
34865134 533
1dce7c3c 534#ifdef WIN32
0824d6fc 535
1dce7c3c 536static int64_t clock_freq;
1115dde7 537
1dce7c3c 538static void init_get_clock(void)
1115dde7 539{
a8e5ac33
FB
540 LARGE_INTEGER freq;
541 int ret;
1dce7c3c
FB
542 ret = QueryPerformanceFrequency(&freq);
543 if (ret == 0) {
544 fprintf(stderr, "Could not calibrate ticks\n");
545 exit(1);
546 }
547 clock_freq = freq.QuadPart;
1115dde7
FB
548}
549
1dce7c3c 550static int64_t get_clock(void)
b8076a74 551{
1dce7c3c
FB
552 LARGE_INTEGER ti;
553 QueryPerformanceCounter(&ti);
554 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
b8076a74
FB
555}
556
1dce7c3c 557#else
90cb9493 558
1dce7c3c
FB
559static int use_rt_clock;
560
561static void init_get_clock(void)
90cb9493 562{
1dce7c3c 563 use_rt_clock = 0;
c5e97233
BS
564#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
565 || defined(__DragonFly__)
1dce7c3c
FB
566 {
567 struct timespec ts;
568 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
569 use_rt_clock = 1;
570 }
571 }
572#endif
90cb9493
FB
573}
574
1dce7c3c 575static int64_t get_clock(void)
fdbb4691 576{
c5e97233
BS
577#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
578 || defined(__DragonFly__)
1dce7c3c
FB
579 if (use_rt_clock) {
580 struct timespec ts;
581 clock_gettime(CLOCK_MONOTONIC, &ts);
582 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
5fafdf24 583 } else
fdbb4691 584#endif
1dce7c3c
FB
585 {
586 /* XXX: using gettimeofday leads to problems if the date
587 changes, so it should be avoided. */
588 struct timeval tv;
589 gettimeofday(&tv, NULL);
590 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
591 }
fdbb4691 592}
34865134
FB
593#endif
594
2e70f6ef
PB
595/* Return the virtual CPU time, based on the instruction counter. */
596static int64_t cpu_get_icount(void)
597{
598 int64_t icount;
599 CPUState *env = cpu_single_env;;
600 icount = qemu_icount;
601 if (env) {
602 if (!can_do_io(env))
603 fprintf(stderr, "Bad clock read\n");
604 icount -= (env->icount_decr.u16.low + env->icount_extra);
605 }
606 return qemu_icount_bias + (icount << icount_time_shift);
607}
608
1dce7c3c
FB
609/***********************************************************/
610/* guest cycle counter */
611
eade0f19 612static int64_t cpu_ticks_prev;
34865134 613static int64_t cpu_ticks_offset;
1dce7c3c 614static int64_t cpu_clock_offset;
8a7ddc38 615static int cpu_ticks_enabled;
34865134 616
1dce7c3c
FB
617/* return the host CPU cycle counter and handle stop/restart */
618int64_t cpu_get_ticks(void)
34865134 619{
2e70f6ef
PB
620 if (use_icount) {
621 return cpu_get_icount();
622 }
8a7ddc38
FB
623 if (!cpu_ticks_enabled) {
624 return cpu_ticks_offset;
625 } else {
eade0f19
FB
626 int64_t ticks;
627 ticks = cpu_get_real_ticks();
628 if (cpu_ticks_prev > ticks) {
629 /* Note: non increasing ticks may happen if the host uses
630 software suspend */
631 cpu_ticks_offset += cpu_ticks_prev - ticks;
632 }
633 cpu_ticks_prev = ticks;
634 return ticks + cpu_ticks_offset;
8a7ddc38 635 }
34865134
FB
636}
637
1dce7c3c
FB
638/* return the host CPU monotonic timer and handle stop/restart */
639static int64_t cpu_get_clock(void)
640{
641 int64_t ti;
642 if (!cpu_ticks_enabled) {
643 return cpu_clock_offset;
644 } else {
645 ti = get_clock();
646 return ti + cpu_clock_offset;
647 }
648}
649
34865134
FB
650/* enable cpu_get_ticks() */
651void cpu_enable_ticks(void)
652{
8a7ddc38
FB
653 if (!cpu_ticks_enabled) {
654 cpu_ticks_offset -= cpu_get_real_ticks();
1dce7c3c 655 cpu_clock_offset -= get_clock();
8a7ddc38
FB
656 cpu_ticks_enabled = 1;
657 }
34865134
FB
658}
659
660/* disable cpu_get_ticks() : the clock is stopped. You must not call
661 cpu_get_ticks() after that. */
662void cpu_disable_ticks(void)
663{
8a7ddc38
FB
664 if (cpu_ticks_enabled) {
665 cpu_ticks_offset = cpu_get_ticks();
1dce7c3c 666 cpu_clock_offset = cpu_get_clock();
8a7ddc38
FB
667 cpu_ticks_enabled = 0;
668 }
34865134
FB
669}
670
1dce7c3c
FB
671/***********************************************************/
672/* timers */
5fafdf24 673
8a7ddc38
FB
674#define QEMU_TIMER_REALTIME 0
675#define QEMU_TIMER_VIRTUAL 1
676
677struct QEMUClock {
678 int type;
679 /* XXX: add frequency */
680};
681
682struct QEMUTimer {
683 QEMUClock *clock;
684 int64_t expire_time;
685 QEMUTimerCB *cb;
686 void *opaque;
687 struct QEMUTimer *next;
688};
689
c8994013
TS
690struct qemu_alarm_timer {
691 char const *name;
efe75411 692 unsigned int flags;
c8994013
TS
693
694 int (*start)(struct qemu_alarm_timer *t);
695 void (*stop)(struct qemu_alarm_timer *t);
efe75411 696 void (*rearm)(struct qemu_alarm_timer *t);
c8994013
TS
697 void *priv;
698};
699
efe75411 700#define ALARM_FLAG_DYNTICKS 0x1
d5d08334 701#define ALARM_FLAG_EXPIRED 0x2
efe75411
TS
702
703static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
704{
e332340a 705 return t && (t->flags & ALARM_FLAG_DYNTICKS);
efe75411
TS
706}
707
708static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
709{
710 if (!alarm_has_dynticks(t))
711 return;
712
713 t->rearm(t);
714}
715
716/* TODO: MIN_TIMER_REARM_US should be optimized */
717#define MIN_TIMER_REARM_US 250
718
c8994013 719static struct qemu_alarm_timer *alarm_timer;
8a7ddc38 720
40c3bac3 721#ifdef _WIN32
c8994013
TS
722
723struct qemu_alarm_win32 {
724 MMRESULT timerId;
c8994013 725 unsigned int period;
ef28c4b0 726} alarm_win32_data = {0, -1};
c8994013
TS
727
728static int win32_start_timer(struct qemu_alarm_timer *t);
729static void win32_stop_timer(struct qemu_alarm_timer *t);
efe75411 730static void win32_rearm_timer(struct qemu_alarm_timer *t);
c8994013 731
40c3bac3 732#else
c8994013
TS
733
734static int unix_start_timer(struct qemu_alarm_timer *t);
735static void unix_stop_timer(struct qemu_alarm_timer *t);
736
231c6586
TS
737#ifdef __linux__
738
efe75411
TS
739static int dynticks_start_timer(struct qemu_alarm_timer *t);
740static void dynticks_stop_timer(struct qemu_alarm_timer *t);
741static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
742
c40ec5a9
TS
743static int hpet_start_timer(struct qemu_alarm_timer *t);
744static void hpet_stop_timer(struct qemu_alarm_timer *t);
745
c8994013
TS
746static int rtc_start_timer(struct qemu_alarm_timer *t);
747static void rtc_stop_timer(struct qemu_alarm_timer *t);
748
efe75411 749#endif /* __linux__ */
8a7ddc38 750
c8994013
TS
751#endif /* _WIN32 */
752
2e70f6ef 753/* Correlation between real and virtual time is always going to be
bf20dc07 754 fairly approximate, so ignore small variation.
2e70f6ef
PB
755 When the guest is idle real and virtual time will be aligned in
756 the IO wait loop. */
757#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
758
759static void icount_adjust(void)
760{
761 int64_t cur_time;
762 int64_t cur_icount;
763 int64_t delta;
764 static int64_t last_delta;
765 /* If the VM is not running, then do nothing. */
766 if (!vm_running)
767 return;
768
769 cur_time = cpu_get_clock();
770 cur_icount = qemu_get_clock(vm_clock);
771 delta = cur_icount - cur_time;
772 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
773 if (delta > 0
774 && last_delta + ICOUNT_WOBBLE < delta * 2
775 && icount_time_shift > 0) {
776 /* The guest is getting too far ahead. Slow time down. */
777 icount_time_shift--;
778 }
779 if (delta < 0
780 && last_delta - ICOUNT_WOBBLE > delta * 2
781 && icount_time_shift < MAX_ICOUNT_SHIFT) {
782 /* The guest is getting too far behind. Speed time up. */
783 icount_time_shift++;
784 }
785 last_delta = delta;
786 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
787}
788
789static void icount_adjust_rt(void * opaque)
790{
791 qemu_mod_timer(icount_rt_timer,
792 qemu_get_clock(rt_clock) + 1000);
793 icount_adjust();
794}
795
796static void icount_adjust_vm(void * opaque)
797{
798 qemu_mod_timer(icount_vm_timer,
799 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
800 icount_adjust();
801}
802
803static void init_icount_adjust(void)
804{
805 /* Have both realtime and virtual time triggers for speed adjustment.
806 The realtime trigger catches emulated time passing too slowly,
807 the virtual time trigger catches emulated time passing too fast.
808 Realtime triggers occur even when idle, so use them less frequently
809 than VM triggers. */
810 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
811 qemu_mod_timer(icount_rt_timer,
812 qemu_get_clock(rt_clock) + 1000);
813 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
814 qemu_mod_timer(icount_vm_timer,
815 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
816}
817
c8994013 818static struct qemu_alarm_timer alarm_timers[] = {
efe75411 819#ifndef _WIN32
231c6586 820#ifdef __linux__
efe75411
TS
821 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
822 dynticks_stop_timer, dynticks_rearm_timer, NULL},
c40ec5a9 823 /* HPET - if available - is preferred */
efe75411 824 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
c40ec5a9 825 /* ...otherwise try RTC */
efe75411 826 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
c8994013 827#endif
efe75411 828 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
c8994013 829#else
efe75411
TS
830 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
831 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
832 {"win32", 0, win32_start_timer,
833 win32_stop_timer, NULL, &alarm_win32_data},
c8994013
TS
834#endif
835 {NULL, }
836};
837
3f47aa8c 838static void show_available_alarms(void)
f3dcfada
TS
839{
840 int i;
841
842 printf("Available alarm timers, in order of precedence:\n");
843 for (i = 0; alarm_timers[i].name; i++)
844 printf("%s\n", alarm_timers[i].name);
845}
846
847static void configure_alarms(char const *opt)
848{
849 int i;
850 int cur = 0;
b1503cda 851 int count = ARRAY_SIZE(alarm_timers) - 1;
f3dcfada
TS
852 char *arg;
853 char *name;
2e70f6ef 854 struct qemu_alarm_timer tmp;
f3dcfada 855
3adda04c 856 if (!strcmp(opt, "?")) {
f3dcfada
TS
857 show_available_alarms();
858 exit(0);
859 }
860
73ffc805 861 arg = qemu_strdup(opt);
f3dcfada
TS
862
863 /* Reorder the array */
864 name = strtok(arg, ",");
865 while (name) {
e2b577e5 866 for (i = 0; i < count && alarm_timers[i].name; i++) {
f3dcfada
TS
867 if (!strcmp(alarm_timers[i].name, name))
868 break;
869 }
870
871 if (i == count) {
872 fprintf(stderr, "Unknown clock %s\n", name);
873 goto next;
874 }
875
876 if (i < cur)
877 /* Ignore */
878 goto next;
879
880 /* Swap */
881 tmp = alarm_timers[i];
882 alarm_timers[i] = alarm_timers[cur];
883 alarm_timers[cur] = tmp;
884
885 cur++;
886next:
887 name = strtok(NULL, ",");
888 }
889
73ffc805 890 qemu_free(arg);
f3dcfada
TS
891
892 if (cur) {
2e70f6ef 893 /* Disable remaining timers */
f3dcfada
TS
894 for (i = cur; i < count; i++)
895 alarm_timers[i].name = NULL;
3adda04c
AJ
896 } else {
897 show_available_alarms();
898 exit(1);
f3dcfada 899 }
f3dcfada
TS
900}
901
c8994013
TS
902QEMUClock *rt_clock;
903QEMUClock *vm_clock;
904
905static QEMUTimer *active_timers[2];
906
9596ebb7 907static QEMUClock *qemu_new_clock(int type)
8a7ddc38
FB
908{
909 QEMUClock *clock;
910 clock = qemu_mallocz(sizeof(QEMUClock));
8a7ddc38
FB
911 clock->type = type;
912 return clock;
913}
914
915QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
916{
917 QEMUTimer *ts;
918
919 ts = qemu_mallocz(sizeof(QEMUTimer));
920 ts->clock = clock;
921 ts->cb = cb;
922 ts->opaque = opaque;
923 return ts;
924}
925
926void qemu_free_timer(QEMUTimer *ts)
927{
928 qemu_free(ts);
929}
930
931/* stop a timer, but do not dealloc it */
932void qemu_del_timer(QEMUTimer *ts)
933{
934 QEMUTimer **pt, *t;
935
936 /* NOTE: this code must be signal safe because
937 qemu_timer_expired() can be called from a signal. */
938 pt = &active_timers[ts->clock->type];
939 for(;;) {
940 t = *pt;
941 if (!t)
942 break;
943 if (t == ts) {
944 *pt = t->next;
945 break;
946 }
947 pt = &t->next;
948 }
949}
950
951/* modify the current timer so that it will be fired when current_time
952 >= expire_time. The corresponding callback will be called. */
953void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
954{
955 QEMUTimer **pt, *t;
956
957 qemu_del_timer(ts);
958
959 /* add the timer in the sorted list */
960 /* NOTE: this code must be signal safe because
961 qemu_timer_expired() can be called from a signal. */
962 pt = &active_timers[ts->clock->type];
963 for(;;) {
964 t = *pt;
965 if (!t)
966 break;
5fafdf24 967 if (t->expire_time > expire_time)
8a7ddc38
FB
968 break;
969 pt = &t->next;
970 }
971 ts->expire_time = expire_time;
972 ts->next = *pt;
973 *pt = ts;
d5d08334
AZ
974
975 /* Rearm if necessary */
2e70f6ef
PB
976 if (pt == &active_timers[ts->clock->type]) {
977 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
978 qemu_rearm_alarm_timer(alarm_timer);
979 }
980 /* Interrupt execution to force deadline recalculation. */
d9f75a4e
AL
981 if (use_icount)
982 qemu_notify_event();
2e70f6ef 983 }
8a7ddc38
FB
984}
985
986int qemu_timer_pending(QEMUTimer *ts)
987{
988 QEMUTimer *t;
989 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
990 if (t == ts)
991 return 1;
992 }
993 return 0;
994}
995
2430ffe4 996int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
8a7ddc38
FB
997{
998 if (!timer_head)
999 return 0;
1000 return (timer_head->expire_time <= current_time);
1001}
1002
1003static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1004{
1005 QEMUTimer *ts;
3b46e624 1006
8a7ddc38
FB
1007 for(;;) {
1008 ts = *ptimer_head;
e95c8d51 1009 if (!ts || ts->expire_time > current_time)
8a7ddc38
FB
1010 break;
1011 /* remove timer from the list before calling the callback */
1012 *ptimer_head = ts->next;
1013 ts->next = NULL;
3b46e624 1014
8a7ddc38
FB
1015 /* run the callback (the timer list can be modified) */
1016 ts->cb(ts->opaque);
1017 }
1018}
1019
1020int64_t qemu_get_clock(QEMUClock *clock)
1021{
1022 switch(clock->type) {
1023 case QEMU_TIMER_REALTIME:
1dce7c3c 1024 return get_clock() / 1000000;
8a7ddc38
FB
1025 default:
1026 case QEMU_TIMER_VIRTUAL:
2e70f6ef
PB
1027 if (use_icount) {
1028 return cpu_get_icount();
1029 } else {
1030 return cpu_get_clock();
1031 }
8a7ddc38
FB
1032 }
1033}
1034
1dce7c3c
FB
1035static void init_timers(void)
1036{
1037 init_get_clock();
1038 ticks_per_sec = QEMU_TIMER_BASE;
1039 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1040 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1041}
1042
8a7ddc38
FB
1043/* save a timer */
1044void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1045{
1046 uint64_t expire_time;
1047
1048 if (qemu_timer_pending(ts)) {
1049 expire_time = ts->expire_time;
1050 } else {
1051 expire_time = -1;
1052 }
1053 qemu_put_be64(f, expire_time);
1054}
1055
1056void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1057{
1058 uint64_t expire_time;
1059
1060 expire_time = qemu_get_be64(f);
1061 if (expire_time != -1) {
1062 qemu_mod_timer(ts, expire_time);
1063 } else {
1064 qemu_del_timer(ts);
1065 }
1066}
1067
1068static void timer_save(QEMUFile *f, void *opaque)
1069{
1070 if (cpu_ticks_enabled) {
1071 hw_error("cannot save state if virtual timers are running");
1072 }
bee8d684
TS
1073 qemu_put_be64(f, cpu_ticks_offset);
1074 qemu_put_be64(f, ticks_per_sec);
1075 qemu_put_be64(f, cpu_clock_offset);
8a7ddc38
FB
1076}
1077
1078static int timer_load(QEMUFile *f, void *opaque, int version_id)
1079{
c88676f8 1080 if (version_id != 1 && version_id != 2)
8a7ddc38
FB
1081 return -EINVAL;
1082 if (cpu_ticks_enabled) {
1083 return -EINVAL;
1084 }
bee8d684
TS
1085 cpu_ticks_offset=qemu_get_be64(f);
1086 ticks_per_sec=qemu_get_be64(f);
c88676f8 1087 if (version_id == 2) {
bee8d684 1088 cpu_clock_offset=qemu_get_be64(f);
c88676f8 1089 }
8a7ddc38
FB
1090 return 0;
1091}
1092
50317c7f
AL
1093static void qemu_event_increment(void);
1094
67b915a5 1095#ifdef _WIN32
b9e82a59
BS
1096static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1097 DWORD_PTR dwUser, DWORD_PTR dw1,
1098 DWORD_PTR dw2)
67b915a5 1099#else
8a7ddc38 1100static void host_alarm_handler(int host_signum)
67b915a5 1101#endif
8a7ddc38 1102{
02ba45c5
FB
1103#if 0
1104#define DISP_FREQ 1000
1105 {
1106 static int64_t delta_min = INT64_MAX;
1107 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1108 static int count;
1109 ti = qemu_get_clock(vm_clock);
1110 if (last_clock != 0) {
1111 delta = ti - last_clock;
1112 if (delta < delta_min)
1113 delta_min = delta;
1114 if (delta > delta_max)
1115 delta_max = delta;
1116 delta_cum += delta;
1117 if (++count == DISP_FREQ) {
26a76461 1118 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
02ba45c5
FB
1119 muldiv64(delta_min, 1000000, ticks_per_sec),
1120 muldiv64(delta_max, 1000000, ticks_per_sec),
1121 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1122 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1123 count = 0;
1124 delta_min = INT64_MAX;
1125 delta_max = 0;
1126 delta_cum = 0;
1127 }
1128 }
1129 last_clock = ti;
1130 }
1131#endif
efe75411 1132 if (alarm_has_dynticks(alarm_timer) ||
2e70f6ef
PB
1133 (!use_icount &&
1134 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1135 qemu_get_clock(vm_clock))) ||
8a7ddc38
FB
1136 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1137 qemu_get_clock(rt_clock))) {
50317c7f 1138 qemu_event_increment();
e332340a 1139 if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
d5d08334 1140
d6dc3d42
AL
1141#ifndef CONFIG_IOTHREAD
1142 if (next_cpu) {
4f8eb8da 1143 /* stop the currently executing cpu because a timer occured */
d6dc3d42 1144 cpu_exit(next_cpu);
4f8eb8da 1145 }
d6dc3d42 1146#endif
43b96858 1147 timer_alarm_pending = 1;
d9f75a4e 1148 qemu_notify_event();
8a7ddc38
FB
1149 }
1150}
1151
2e70f6ef 1152static int64_t qemu_next_deadline(void)
efe75411 1153{
2e70f6ef 1154 int64_t delta;
efe75411
TS
1155
1156 if (active_timers[QEMU_TIMER_VIRTUAL]) {
2e70f6ef
PB
1157 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1158 qemu_get_clock(vm_clock);
1159 } else {
1160 /* To avoid problems with overflow limit this to 2^32. */
1161 delta = INT32_MAX;
efe75411
TS
1162 }
1163
2e70f6ef
PB
1164 if (delta < 0)
1165 delta = 0;
efe75411 1166
2e70f6ef
PB
1167 return delta;
1168}
1169
8632fb9a 1170#if defined(__linux__) || defined(_WIN32)
2e70f6ef
PB
1171static uint64_t qemu_next_deadline_dyntick(void)
1172{
1173 int64_t delta;
1174 int64_t rtdelta;
1175
1176 if (use_icount)
1177 delta = INT32_MAX;
1178 else
1179 delta = (qemu_next_deadline() + 999) / 1000;
1180
1181 if (active_timers[QEMU_TIMER_REALTIME]) {
1182 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1183 qemu_get_clock(rt_clock))*1000;
1184 if (rtdelta < delta)
1185 delta = rtdelta;
1186 }
1187
1188 if (delta < MIN_TIMER_REARM_US)
1189 delta = MIN_TIMER_REARM_US;
1190
1191 return delta;
efe75411 1192}
8632fb9a 1193#endif
efe75411 1194
fd872598
FB
1195#ifndef _WIN32
1196
7183b4b4
AL
1197/* Sets a specific flag */
1198static int fcntl_setfl(int fd, int flag)
1199{
1200 int flags;
1201
1202 flags = fcntl(fd, F_GETFL);
1203 if (flags == -1)
1204 return -errno;
1205
1206 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1207 return -errno;
1208
1209 return 0;
1210}
1211
829309c7
FB
1212#if defined(__linux__)
1213
fd872598
FB
1214#define RTC_FREQ 1024
1215
de9a95f0 1216static void enable_sigio_timer(int fd)
c8994013
TS
1217{
1218 struct sigaction act;
1219
1220 /* timer signal */
1221 sigfillset(&act.sa_mask);
1222 act.sa_flags = 0;
c8994013
TS
1223 act.sa_handler = host_alarm_handler;
1224
1225 sigaction(SIGIO, &act, NULL);
7183b4b4 1226 fcntl_setfl(fd, O_ASYNC);
c8994013
TS
1227 fcntl(fd, F_SETOWN, getpid());
1228}
829309c7 1229
c40ec5a9
TS
1230static int hpet_start_timer(struct qemu_alarm_timer *t)
1231{
1232 struct hpet_info info;
1233 int r, fd;
1234
1235 fd = open("/dev/hpet", O_RDONLY);
1236 if (fd < 0)
1237 return -1;
1238
1239 /* Set frequency */
1240 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1241 if (r < 0) {
1242 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1243 "error, but for better emulation accuracy type:\n"
1244 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1245 goto fail;
1246 }
1247
1248 /* Check capabilities */
1249 r = ioctl(fd, HPET_INFO, &info);
1250 if (r < 0)
1251 goto fail;
1252
1253 /* Enable periodic mode */
1254 r = ioctl(fd, HPET_EPI, 0);
1255 if (info.hi_flags && (r < 0))
1256 goto fail;
1257
1258 /* Enable interrupt */
1259 r = ioctl(fd, HPET_IE_ON, 0);
1260 if (r < 0)
1261 goto fail;
1262
1263 enable_sigio_timer(fd);
fcdc2129 1264 t->priv = (void *)(long)fd;
c40ec5a9
TS
1265
1266 return 0;
1267fail:
1268 close(fd);
1269 return -1;
1270}
1271
1272static void hpet_stop_timer(struct qemu_alarm_timer *t)
1273{
fcdc2129 1274 int fd = (long)t->priv;
c40ec5a9
TS
1275
1276 close(fd);
1277}
1278
c8994013 1279static int rtc_start_timer(struct qemu_alarm_timer *t)
fd872598 1280{
c8994013 1281 int rtc_fd;
b5a23ad4 1282 unsigned long current_rtc_freq = 0;
c8994013 1283
aeb30be6 1284 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
fd872598
FB
1285 if (rtc_fd < 0)
1286 return -1;
b5a23ad4
AZ
1287 ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
1288 if (current_rtc_freq != RTC_FREQ &&
1289 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
fd872598
FB
1290 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1291 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1292 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1293 goto fail;
1294 }
1295 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1296 fail:
1297 close(rtc_fd);
1298 return -1;
1299 }
c8994013
TS
1300
1301 enable_sigio_timer(rtc_fd);
1302
fcdc2129 1303 t->priv = (void *)(long)rtc_fd;
c8994013 1304
fd872598
FB
1305 return 0;
1306}
1307
c8994013 1308static void rtc_stop_timer(struct qemu_alarm_timer *t)
829309c7 1309{
fcdc2129 1310 int rtc_fd = (long)t->priv;
c8994013
TS
1311
1312 close(rtc_fd);
829309c7
FB
1313}
1314
efe75411
TS
1315static int dynticks_start_timer(struct qemu_alarm_timer *t)
1316{
1317 struct sigevent ev;
1318 timer_t host_timer;
1319 struct sigaction act;
1320
1321 sigfillset(&act.sa_mask);
1322 act.sa_flags = 0;
efe75411
TS
1323 act.sa_handler = host_alarm_handler;
1324
1325 sigaction(SIGALRM, &act, NULL);
1326
9ed415b2
JCD
1327 /*
1328 * Initialize ev struct to 0 to avoid valgrind complaining
1329 * about uninitialized data in timer_create call
1330 */
1331 memset(&ev, 0, sizeof(ev));
efe75411
TS
1332 ev.sigev_value.sival_int = 0;
1333 ev.sigev_notify = SIGEV_SIGNAL;
1334 ev.sigev_signo = SIGALRM;
1335
1336 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1337 perror("timer_create");
1338
1339 /* disable dynticks */
1340 fprintf(stderr, "Dynamic Ticks disabled\n");
1341
1342 return -1;
1343 }
1344
0399bfe0 1345 t->priv = (void *)(long)host_timer;
efe75411
TS
1346
1347 return 0;
1348}
1349
1350static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1351{
0399bfe0 1352 timer_t host_timer = (timer_t)(long)t->priv;
efe75411
TS
1353
1354 timer_delete(host_timer);
1355}
1356
1357static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1358{
0399bfe0 1359 timer_t host_timer = (timer_t)(long)t->priv;
efe75411
TS
1360 struct itimerspec timeout;
1361 int64_t nearest_delta_us = INT64_MAX;
1362 int64_t current_us;
1363
1364 if (!active_timers[QEMU_TIMER_REALTIME] &&
1365 !active_timers[QEMU_TIMER_VIRTUAL])
d5d08334 1366 return;
efe75411 1367
2e70f6ef 1368 nearest_delta_us = qemu_next_deadline_dyntick();
efe75411
TS
1369
1370 /* check whether a timer is already running */
1371 if (timer_gettime(host_timer, &timeout)) {
1372 perror("gettime");
1373 fprintf(stderr, "Internal timer error: aborting\n");
1374 exit(1);
1375 }
1376 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1377 if (current_us && current_us <= nearest_delta_us)
1378 return;
1379
1380 timeout.it_interval.tv_sec = 0;
1381 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1382 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1383 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1384 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1385 perror("settime");
1386 fprintf(stderr, "Internal timer error: aborting\n");
1387 exit(1);
1388 }
1389}
1390
70744b3a 1391#endif /* defined(__linux__) */
231c6586 1392
c8994013
TS
1393static int unix_start_timer(struct qemu_alarm_timer *t)
1394{
1395 struct sigaction act;
1396 struct itimerval itv;
1397 int err;
1398
1399 /* timer signal */
1400 sigfillset(&act.sa_mask);
1401 act.sa_flags = 0;
c8994013
TS
1402 act.sa_handler = host_alarm_handler;
1403
1404 sigaction(SIGALRM, &act, NULL);
1405
1406 itv.it_interval.tv_sec = 0;
1407 /* for i386 kernel 2.6 to get 1 ms */
1408 itv.it_interval.tv_usec = 999;
1409 itv.it_value.tv_sec = 0;
1410 itv.it_value.tv_usec = 10 * 1000;
1411
1412 err = setitimer(ITIMER_REAL, &itv, NULL);
1413 if (err)
1414 return -1;
1415
1416 return 0;
1417}
1418
1419static void unix_stop_timer(struct qemu_alarm_timer *t)
1420{
1421 struct itimerval itv;
1422
1423 memset(&itv, 0, sizeof(itv));
1424 setitimer(ITIMER_REAL, &itv, NULL);
1425}
1426
829309c7 1427#endif /* !defined(_WIN32) */
fd872598 1428
f49e58dc 1429
c8994013
TS
1430#ifdef _WIN32
1431
1432static int win32_start_timer(struct qemu_alarm_timer *t)
1433{
1434 TIMECAPS tc;
1435 struct qemu_alarm_win32 *data = t->priv;
efe75411 1436 UINT flags;
c8994013 1437
c8994013
TS
1438 memset(&tc, 0, sizeof(tc));
1439 timeGetDevCaps(&tc, sizeof(tc));
1440
1441 if (data->period < tc.wPeriodMin)
1442 data->period = tc.wPeriodMin;
1443
1444 timeBeginPeriod(data->period);
1445
efe75411
TS
1446 flags = TIME_CALLBACK_FUNCTION;
1447 if (alarm_has_dynticks(t))
1448 flags |= TIME_ONESHOT;
1449 else
1450 flags |= TIME_PERIODIC;
1451
c8994013
TS
1452 data->timerId = timeSetEvent(1, // interval (ms)
1453 data->period, // resolution
1454 host_alarm_handler, // function
1455 (DWORD)t, // parameter
efe75411 1456 flags);
c8994013
TS
1457
1458 if (!data->timerId) {
1459 perror("Failed to initialize win32 alarm timer");
c8994013 1460 timeEndPeriod(data->period);
c8994013
TS
1461 return -1;
1462 }
1463
c8994013
TS
1464 return 0;
1465}
1466
1467static void win32_stop_timer(struct qemu_alarm_timer *t)
1468{
1469 struct qemu_alarm_win32 *data = t->priv;
1470
1471 timeKillEvent(data->timerId);
1472 timeEndPeriod(data->period);
c8994013
TS
1473}
1474
efe75411
TS
1475static void win32_rearm_timer(struct qemu_alarm_timer *t)
1476{
1477 struct qemu_alarm_win32 *data = t->priv;
1478 uint64_t nearest_delta_us;
1479
1480 if (!active_timers[QEMU_TIMER_REALTIME] &&
1481 !active_timers[QEMU_TIMER_VIRTUAL])
d5d08334 1482 return;
efe75411 1483
2e70f6ef 1484 nearest_delta_us = qemu_next_deadline_dyntick();
efe75411
TS
1485 nearest_delta_us /= 1000;
1486
1487 timeKillEvent(data->timerId);
1488
1489 data->timerId = timeSetEvent(1,
1490 data->period,
1491 host_alarm_handler,
1492 (DWORD)t,
1493 TIME_ONESHOT | TIME_PERIODIC);
1494
1495 if (!data->timerId) {
1496 perror("Failed to re-arm win32 alarm timer");
1497
1498 timeEndPeriod(data->period);
efe75411
TS
1499 exit(1);
1500 }
1501}
1502
c8994013
TS
1503#endif /* _WIN32 */
1504
7183b4b4 1505static int init_timer_alarm(void)
8a7ddc38 1506{
223f0d72 1507 struct qemu_alarm_timer *t = NULL;
c8994013 1508 int i, err = -1;
f49e58dc 1509
c8994013
TS
1510 for (i = 0; alarm_timers[i].name; i++) {
1511 t = &alarm_timers[i];
1512
c8994013
TS
1513 err = t->start(t);
1514 if (!err)
1515 break;
67b915a5 1516 }
fd872598 1517
c8994013 1518 if (err) {
7183b4b4
AL
1519 err = -ENOENT;
1520 goto fail;
67b915a5 1521 }
c8994013
TS
1522
1523 alarm_timer = t;
7183b4b4 1524
6abfbd79 1525 return 0;
7183b4b4
AL
1526
1527fail:
7183b4b4 1528 return err;
8a7ddc38
FB
1529}
1530
9596ebb7 1531static void quit_timers(void)
40c3bac3 1532{
c8994013
TS
1533 alarm_timer->stop(alarm_timer);
1534 alarm_timer = NULL;
40c3bac3
FB
1535}
1536
f6503059
AZ
1537/***********************************************************/
1538/* host time/date access */
1539void qemu_get_timedate(struct tm *tm, int offset)
1540{
1541 time_t ti;
1542 struct tm *ret;
1543
1544 time(&ti);
1545 ti += offset;
1546 if (rtc_date_offset == -1) {
1547 if (rtc_utc)
1548 ret = gmtime(&ti);
1549 else
1550 ret = localtime(&ti);
1551 } else {
1552 ti -= rtc_date_offset;
1553 ret = gmtime(&ti);
1554 }
1555
1556 memcpy(tm, ret, sizeof(struct tm));
1557}
1558
1559int qemu_timedate_diff(struct tm *tm)
1560{
1561 time_t seconds;
1562
1563 if (rtc_date_offset == -1)
1564 if (rtc_utc)
1565 seconds = mktimegm(tm);
1566 else
1567 seconds = mktime(tm);
1568 else
1569 seconds = mktimegm(tm) + rtc_date_offset;
1570
1571 return seconds - time(NULL);
1572}
1573
fd1dff4b 1574#ifdef _WIN32
fd1dff4b
FB
1575static void socket_cleanup(void)
1576{
1577 WSACleanup();
1578}
82c643ff 1579
fd1dff4b
FB
1580static int socket_init(void)
1581{
1582 WSADATA Data;
1583 int ret, err;
1584
1585 ret = WSAStartup(MAKEWORD(2,2), &Data);
1586 if (ret != 0) {
1587 err = WSAGetLastError();
1588 fprintf(stderr, "WSAStartup: %d\n", err);
1589 return -1;
1590 }
1591 atexit(socket_cleanup);
1592 return 0;
1593}
64b7b733
AJ
1594#endif
1595
1ae26a18
AZ
1596/***********************************************************/
1597/* Bluetooth support */
1598static int nb_hcis;
1599static int cur_hci;
1600static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 1601
1ae26a18
AZ
1602static struct bt_vlan_s {
1603 struct bt_scatternet_s net;
1604 int id;
1605 struct bt_vlan_s *next;
1606} *first_bt_vlan;
1607
1608/* find or alloc a new bluetooth "VLAN" */
674bb261 1609static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ
1610{
1611 struct bt_vlan_s **pvlan, *vlan;
1612 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1613 if (vlan->id == id)
1614 return &vlan->net;
1615 }
1616 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1617 vlan->id = id;
1618 pvlan = &first_bt_vlan;
1619 while (*pvlan != NULL)
1620 pvlan = &(*pvlan)->next;
1621 *pvlan = vlan;
1622 return &vlan->net;
1623}
1624
1625static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1626{
1627}
1628
1629static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1630{
1631 return -ENOTSUP;
1632}
1633
1634static struct HCIInfo null_hci = {
1635 .cmd_send = null_hci_send,
1636 .sco_send = null_hci_send,
1637 .acl_send = null_hci_send,
1638 .bdaddr_set = null_hci_addr_set,
1639};
1640
1641struct HCIInfo *qemu_next_hci(void)
1642{
1643 if (cur_hci == nb_hcis)
1644 return &null_hci;
1645
1646 return hci_table[cur_hci++];
1647}
1648
dc72ac14
AZ
1649static struct HCIInfo *hci_init(const char *str)
1650{
1651 char *endp;
1652 struct bt_scatternet_s *vlan = 0;
1653
1654 if (!strcmp(str, "null"))
1655 /* null */
1656 return &null_hci;
1657 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
1658 /* host[:hciN] */
1659 return bt_host_hci(str[4] ? str + 5 : "hci0");
1660 else if (!strncmp(str, "hci", 3)) {
1661 /* hci[,vlan=n] */
1662 if (str[3]) {
1663 if (!strncmp(str + 3, ",vlan=", 6)) {
1664 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
1665 if (*endp)
1666 vlan = 0;
1667 }
1668 } else
1669 vlan = qemu_find_bt_vlan(0);
1670 if (vlan)
1671 return bt_new_hci(vlan);
1672 }
1673
1674 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
1675
1676 return 0;
1677}
1678
1679static int bt_hci_parse(const char *str)
1680{
1681 struct HCIInfo *hci;
1682 bdaddr_t bdaddr;
1683
1684 if (nb_hcis >= MAX_NICS) {
1685 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
1686 return -1;
1687 }
1688
1689 hci = hci_init(str);
1690 if (!hci)
1691 return -1;
1692
1693 bdaddr.b[0] = 0x52;
1694 bdaddr.b[1] = 0x54;
1695 bdaddr.b[2] = 0x00;
1696 bdaddr.b[3] = 0x12;
1697 bdaddr.b[4] = 0x34;
1698 bdaddr.b[5] = 0x56 + nb_hcis;
1699 hci->bdaddr_set(hci, bdaddr.b);
1700
1701 hci_table[nb_hcis++] = hci;
1702
1703 return 0;
1704}
1705
1706static void bt_vhci_add(int vlan_id)
1707{
1708 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
1709
1710 if (!vlan->slave)
1711 fprintf(stderr, "qemu: warning: adding a VHCI to "
1712 "an empty scatternet %i\n", vlan_id);
1713
1714 bt_vhci_init(bt_new_hci(vlan));
1715}
1716
1717static struct bt_device_s *bt_device_add(const char *opt)
1718{
1719 struct bt_scatternet_s *vlan;
1720 int vlan_id = 0;
1721 char *endp = strstr(opt, ",vlan=");
1722 int len = (endp ? endp - opt : strlen(opt)) + 1;
1723 char devname[10];
1724
1725 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1726
1727 if (endp) {
1728 vlan_id = strtol(endp + 6, &endp, 0);
1729 if (*endp) {
1730 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
1731 return 0;
1732 }
1733 }
1734
1735 vlan = qemu_find_bt_vlan(vlan_id);
1736
1737 if (!vlan->slave)
1738 fprintf(stderr, "qemu: warning: adding a slave device to "
1739 "an empty scatternet %i\n", vlan_id);
1740
1741 if (!strcmp(devname, "keyboard"))
1742 return bt_keyboard_init(vlan);
1743
1744 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
1745 return 0;
1746}
1747
1748static int bt_parse(const char *opt)
1749{
1750 const char *endp, *p;
1751 int vlan;
1752
1753 if (strstart(opt, "hci", &endp)) {
1754 if (!*endp || *endp == ',') {
1755 if (*endp)
1756 if (!strstart(endp, ",vlan=", 0))
1757 opt = endp + 1;
1758
1759 return bt_hci_parse(opt);
1760 }
1761 } else if (strstart(opt, "vhci", &endp)) {
1762 if (!*endp || *endp == ',') {
1763 if (*endp) {
1764 if (strstart(endp, ",vlan=", &p)) {
1765 vlan = strtol(p, (char **) &endp, 0);
1766 if (*endp) {
1767 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1768 return 1;
1769 }
1770 } else {
1771 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1772 return 1;
1773 }
1774 } else
1775 vlan = 0;
1776
1777 bt_vhci_add(vlan);
1778 return 0;
1779 }
1780 } else if (strstart(opt, "device:", &endp))
1781 return !bt_device_add(endp);
1782
1783 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1784 return 1;
1785}
1786
1ae26a18
AZ
1787/***********************************************************/
1788/* QEMU Block devices */
1789
609497ab 1790#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 1791#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 1792#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ
1793#define PFLASH_ALIAS "if=pflash"
1794#define MTD_ALIAS "if=mtd"
9d413d1d 1795#define SD_ALIAS "index=0,if=sd"
e4bcb14c 1796
9dfd7c7a 1797QemuOpts *drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS
1798{
1799 va_list ap;
9dfd7c7a
GH
1800 char optstr[1024];
1801 QemuOpts *opts;
e4bcb14c 1802
e4bcb14c 1803 va_start(ap, fmt);
9dfd7c7a 1804 vsnprintf(optstr, sizeof(optstr), fmt, ap);
e4bcb14c
TS
1805 va_end(ap);
1806
7282a033 1807 opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL);
9dfd7c7a
GH
1808 if (!opts) {
1809 fprintf(stderr, "%s: huh? duplicate? (%s)\n",
1810 __FUNCTION__, optstr);
1811 return NULL;
1812 }
1813 if (file)
1814 qemu_opt_set(opts, "file", file);
1815 return opts;
b01b1111
AL
1816}
1817
751c6a17 1818DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
e4bcb14c 1819{
751c6a17 1820 DriveInfo *dinfo;
e4bcb14c
TS
1821
1822 /* seek interface, bus and unit */
1823
751c6a17
GH
1824 TAILQ_FOREACH(dinfo, &drives, next) {
1825 if (dinfo->type == type &&
1826 dinfo->bus == bus &&
1827 dinfo->unit == unit)
1828 return dinfo;
1829 }
e4bcb14c 1830
751c6a17 1831 return NULL;
e4bcb14c
TS
1832}
1833
2e810b36 1834DriveInfo *drive_get_by_id(const char *id)
1dae12e6
GH
1835{
1836 DriveInfo *dinfo;
1837
1838 TAILQ_FOREACH(dinfo, &drives, next) {
1839 if (strcmp(id, dinfo->id))
1840 continue;
1841 return dinfo;
1842 }
1843 return NULL;
1844}
1845
f60d39bc 1846int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS
1847{
1848 int max_bus;
751c6a17 1849 DriveInfo *dinfo;
e4bcb14c
TS
1850
1851 max_bus = -1;
751c6a17
GH
1852 TAILQ_FOREACH(dinfo, &drives, next) {
1853 if(dinfo->type == type &&
1854 dinfo->bus > max_bus)
1855 max_bus = dinfo->bus;
e4bcb14c
TS
1856 }
1857 return max_bus;
1858}
1859
fa879c64
AL
1860const char *drive_get_serial(BlockDriverState *bdrv)
1861{
751c6a17 1862 DriveInfo *dinfo;
fa879c64 1863
751c6a17
GH
1864 TAILQ_FOREACH(dinfo, &drives, next) {
1865 if (dinfo->bdrv == bdrv)
1866 return dinfo->serial;
1867 }
fa879c64
AL
1868
1869 return "\0";
1870}
1871
428c5705
AL
1872BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
1873{
751c6a17 1874 DriveInfo *dinfo;
428c5705 1875
751c6a17
GH
1876 TAILQ_FOREACH(dinfo, &drives, next) {
1877 if (dinfo->bdrv == bdrv)
1878 return dinfo->onerror;
1879 }
428c5705 1880
cdad4bd8 1881 return BLOCK_ERR_STOP_ENOSPC;
428c5705
AL
1882}
1883
a1620fac
AJ
1884static void bdrv_format_print(void *opaque, const char *name)
1885{
1886 fprintf(stderr, " %s", name);
1887}
1888
b01b1111
AL
1889void drive_uninit(BlockDriverState *bdrv)
1890{
751c6a17 1891 DriveInfo *dinfo;
b01b1111 1892
751c6a17
GH
1893 TAILQ_FOREACH(dinfo, &drives, next) {
1894 if (dinfo->bdrv != bdrv)
1895 continue;
9dfd7c7a 1896 qemu_opts_del(dinfo->opts);
751c6a17
GH
1897 TAILQ_REMOVE(&drives, dinfo, next);
1898 qemu_free(dinfo);
1899 break;
1900 }
b01b1111
AL
1901}
1902
9dfd7c7a 1903DriveInfo *drive_init(QemuOpts *opts, void *opaque,
751c6a17 1904 int *fatal_error)
e4bcb14c 1905{
9dfd7c7a
GH
1906 const char *buf;
1907 const char *file = NULL;
c8522bdf 1908 char devname[128];
9dfd7c7a 1909 const char *serial;
c8522bdf 1910 const char *mediastr = "";
f60d39bc 1911 BlockInterfaceType type;
e4bcb14c
TS
1912 enum { MEDIA_DISK, MEDIA_CDROM } media;
1913 int bus_id, unit_id;
1914 int cyls, heads, secs, translation;
1e72d3b7 1915 BlockDriver *drv = NULL;
4d73cd3b 1916 QEMUMachine *machine = opaque;
e4bcb14c
TS
1917 int max_devs;
1918 int index;
33f00271 1919 int cache;
5c6c3a6c 1920 int aio = 0;
428c5705 1921 int bdrv_flags, onerror;
c2cc47a4 1922 const char *devaddr;
751c6a17 1923 DriveInfo *dinfo;
9dfd7c7a 1924 int snapshot = 0;
e4bcb14c 1925
9dfd7c7a 1926 *fatal_error = 1;
e4bcb14c 1927
e4bcb14c 1928 translation = BIOS_ATA_TRANSLATION_AUTO;
0aa217e4 1929 cache = 1;
e4bcb14c 1930
4d007814 1931 if (machine && machine->use_scsi) {
f60d39bc 1932 type = IF_SCSI;
e4bcb14c 1933 max_devs = MAX_SCSI_DEVS;
363a37d5 1934 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 1935 } else {
f60d39bc 1936 type = IF_IDE;
e4bcb14c 1937 max_devs = MAX_IDE_DEVS;
363a37d5 1938 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS
1939 }
1940 media = MEDIA_DISK;
1941
1942 /* extract parameters */
9dfd7c7a
GH
1943 bus_id = qemu_opt_get_number(opts, "bus", 0);
1944 unit_id = qemu_opt_get_number(opts, "unit", -1);
1945 index = qemu_opt_get_number(opts, "index", -1);
e4bcb14c 1946
9dfd7c7a
GH
1947 cyls = qemu_opt_get_number(opts, "cyls", 0);
1948 heads = qemu_opt_get_number(opts, "heads", 0);
1949 secs = qemu_opt_get_number(opts, "secs", 0);
e4bcb14c 1950
9dfd7c7a 1951 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
e4bcb14c 1952
9dfd7c7a
GH
1953 file = qemu_opt_get(opts, "file");
1954 serial = qemu_opt_get(opts, "serial");
1955
1956 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
ae45d369 1957 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 1958 if (!strcmp(buf, "ide")) {
f60d39bc 1959 type = IF_IDE;
e4bcb14c
TS
1960 max_devs = MAX_IDE_DEVS;
1961 } else if (!strcmp(buf, "scsi")) {
f60d39bc 1962 type = IF_SCSI;
e4bcb14c
TS
1963 max_devs = MAX_SCSI_DEVS;
1964 } else if (!strcmp(buf, "floppy")) {
f60d39bc 1965 type = IF_FLOPPY;
e4bcb14c
TS
1966 max_devs = 0;
1967 } else if (!strcmp(buf, "pflash")) {
f60d39bc 1968 type = IF_PFLASH;
e4bcb14c
TS
1969 max_devs = 0;
1970 } else if (!strcmp(buf, "mtd")) {
f60d39bc 1971 type = IF_MTD;
e4bcb14c
TS
1972 max_devs = 0;
1973 } else if (!strcmp(buf, "sd")) {
f60d39bc 1974 type = IF_SD;
e4bcb14c 1975 max_devs = 0;
6e02c38d
AL
1976 } else if (!strcmp(buf, "virtio")) {
1977 type = IF_VIRTIO;
1978 max_devs = 0;
62d23efa
AL
1979 } else if (!strcmp(buf, "xen")) {
1980 type = IF_XEN;
1981 max_devs = 0;
a8659e90
GH
1982 } else if (!strcmp(buf, "none")) {
1983 type = IF_NONE;
1984 max_devs = 0;
62d23efa 1985 } else {
9dfd7c7a 1986 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
751c6a17 1987 return NULL;
e4bcb14c
TS
1988 }
1989 }
1990
e4bcb14c
TS
1991 if (cyls || heads || secs) {
1992 if (cyls < 1 || cyls > 16383) {
9dfd7c7a 1993 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
751c6a17 1994 return NULL;
e4bcb14c
TS
1995 }
1996 if (heads < 1 || heads > 16) {
9dfd7c7a 1997 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
751c6a17 1998 return NULL;
e4bcb14c
TS
1999 }
2000 if (secs < 1 || secs > 63) {
9dfd7c7a 2001 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
751c6a17 2002 return NULL;
e4bcb14c
TS
2003 }
2004 }
2005
9dfd7c7a 2006 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
e4bcb14c
TS
2007 if (!cyls) {
2008 fprintf(stderr,
2009 "qemu: '%s' trans must be used with cyls,heads and secs\n",
9dfd7c7a 2010 buf);
751c6a17 2011 return NULL;
e4bcb14c
TS
2012 }
2013 if (!strcmp(buf, "none"))
2014 translation = BIOS_ATA_TRANSLATION_NONE;
2015 else if (!strcmp(buf, "lba"))
2016 translation = BIOS_ATA_TRANSLATION_LBA;
2017 else if (!strcmp(buf, "auto"))
2018 translation = BIOS_ATA_TRANSLATION_AUTO;
2019 else {
9dfd7c7a 2020 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
751c6a17 2021 return NULL;
e4bcb14c
TS
2022 }
2023 }
2024
9dfd7c7a 2025 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
e4bcb14c
TS
2026 if (!strcmp(buf, "disk")) {
2027 media = MEDIA_DISK;
2028 } else if (!strcmp(buf, "cdrom")) {
2029 if (cyls || secs || heads) {
2030 fprintf(stderr,
9dfd7c7a 2031 "qemu: '%s' invalid physical CHS format\n", buf);
751c6a17 2032 return NULL;
e4bcb14c
TS
2033 }
2034 media = MEDIA_CDROM;
2035 } else {
9dfd7c7a 2036 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
751c6a17 2037 return NULL;
e4bcb14c
TS
2038 }
2039 }
2040
9dfd7c7a 2041 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
9f7965c7 2042 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
33f00271 2043 cache = 0;
9f7965c7 2044 else if (!strcmp(buf, "writethrough"))
33f00271 2045 cache = 1;
9f7965c7
AL
2046 else if (!strcmp(buf, "writeback"))
2047 cache = 2;
33f00271
AZ
2048 else {
2049 fprintf(stderr, "qemu: invalid cache option\n");
751c6a17 2050 return NULL;
33f00271
AZ
2051 }
2052 }
2053
5c6c3a6c
CH
2054#ifdef CONFIG_LINUX_AIO
2055 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
2056 if (!strcmp(buf, "threads"))
2057 aio = 0;
2058 else if (!strcmp(buf, "native"))
2059 aio = 1;
2060 else {
2061 fprintf(stderr, "qemu: invalid aio option\n");
2062 return NULL;
2063 }
2064 }
2065#endif
2066
9dfd7c7a 2067 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
a1620fac
AJ
2068 if (strcmp(buf, "?") == 0) {
2069 fprintf(stderr, "qemu: Supported formats:");
2070 bdrv_iterate_format(bdrv_format_print, NULL);
2071 fprintf(stderr, "\n");
751c6a17 2072 return NULL;
a1620fac 2073 }
1e72d3b7
AJ
2074 drv = bdrv_find_format(buf);
2075 if (!drv) {
2076 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
751c6a17 2077 return NULL;
1e72d3b7
AJ
2078 }
2079 }
2080
cdad4bd8 2081 onerror = BLOCK_ERR_STOP_ENOSPC;
9dfd7c7a 2082 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
869a5c6d 2083 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
ea8a5d7f 2084 fprintf(stderr, "werror is no supported by this format\n");
751c6a17 2085 return NULL;
428c5705
AL
2086 }
2087 if (!strcmp(buf, "ignore"))
2088 onerror = BLOCK_ERR_IGNORE;
2089 else if (!strcmp(buf, "enospc"))
2090 onerror = BLOCK_ERR_STOP_ENOSPC;
2091 else if (!strcmp(buf, "stop"))
2092 onerror = BLOCK_ERR_STOP_ANY;
2093 else if (!strcmp(buf, "report"))
2094 onerror = BLOCK_ERR_REPORT;
2095 else {
2096 fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
751c6a17 2097 return NULL;
428c5705
AL
2098 }
2099 }
2100
9dfd7c7a 2101 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
c2cc47a4 2102 if (type != IF_VIRTIO) {
9dfd7c7a 2103 fprintf(stderr, "addr is not supported\n");
751c6a17 2104 return NULL;
c2cc47a4 2105 }
c2cc47a4
MA
2106 }
2107
e4bcb14c
TS
2108 /* compute bus and unit according index */
2109
2110 if (index != -1) {
2111 if (bus_id != 0 || unit_id != -1) {
2112 fprintf(stderr,
9dfd7c7a 2113 "qemu: index cannot be used with bus and unit\n");
751c6a17 2114 return NULL;
e4bcb14c
TS
2115 }
2116 if (max_devs == 0)
2117 {
2118 unit_id = index;
2119 bus_id = 0;
2120 } else {
2121 unit_id = index % max_devs;
2122 bus_id = index / max_devs;
2123 }
2124 }
2125
2126 /* if user doesn't specify a unit_id,
2127 * try to find the first free
2128 */
2129
2130 if (unit_id == -1) {
2131 unit_id = 0;
751c6a17 2132 while (drive_get(type, bus_id, unit_id) != NULL) {
e4bcb14c
TS
2133 unit_id++;
2134 if (max_devs && unit_id >= max_devs) {
2135 unit_id -= max_devs;
2136 bus_id++;
2137 }
2138 }
2139 }
2140
2141 /* check unit id */
2142
2143 if (max_devs && unit_id >= max_devs) {
9dfd7c7a
GH
2144 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
2145 unit_id, max_devs - 1);
751c6a17 2146 return NULL;
e4bcb14c
TS
2147 }
2148
2149 /*
2150 * ignore multiple definitions
2151 */
2152
751c6a17
GH
2153 if (drive_get(type, bus_id, unit_id) != NULL) {
2154 *fatal_error = 0;
2155 return NULL;
2156 }
e4bcb14c
TS
2157
2158 /* init */
2159
751c6a17 2160 dinfo = qemu_mallocz(sizeof(*dinfo));
e23d9c4d 2161 if ((buf = qemu_opts_id(opts)) != NULL) {
9dfd7c7a
GH
2162 dinfo->id = qemu_strdup(buf);
2163 } else {
1dae12e6 2164 /* no id supplied -> create one */
9dfd7c7a 2165 dinfo->id = qemu_mallocz(32);
1dae12e6
GH
2166 if (type == IF_IDE || type == IF_SCSI)
2167 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2168 if (max_devs)
9dfd7c7a 2169 snprintf(dinfo->id, 32, "%s%i%s%i",
1dae12e6
GH
2170 devname, bus_id, mediastr, unit_id);
2171 else
9dfd7c7a 2172 snprintf(dinfo->id, 32, "%s%s%i",
1dae12e6
GH
2173 devname, mediastr, unit_id);
2174 }
1dae12e6 2175 dinfo->bdrv = bdrv_new(dinfo->id);
751c6a17
GH
2176 dinfo->devaddr = devaddr;
2177 dinfo->type = type;
2178 dinfo->bus = bus_id;
2179 dinfo->unit = unit_id;
2180 dinfo->onerror = onerror;
9dfd7c7a
GH
2181 dinfo->opts = opts;
2182 if (serial)
2183 strncpy(dinfo->serial, serial, sizeof(serial));
751c6a17 2184 TAILQ_INSERT_TAIL(&drives, dinfo, next);
e4bcb14c 2185
f60d39bc 2186 switch(type) {
e4bcb14c
TS
2187 case IF_IDE:
2188 case IF_SCSI:
62d23efa 2189 case IF_XEN:
e4bcb14c
TS
2190 switch(media) {
2191 case MEDIA_DISK:
2192 if (cyls != 0) {
1dae12e6
GH
2193 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
2194 bdrv_set_translation_hint(dinfo->bdrv, translation);
e4bcb14c
TS
2195 }
2196 break;
2197 case MEDIA_CDROM:
1dae12e6 2198 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
e4bcb14c
TS
2199 break;
2200 }
2201 break;
2202 case IF_SD:
2203 /* FIXME: This isn't really a floppy, but it's a reasonable
2204 approximation. */
2205 case IF_FLOPPY:
1dae12e6 2206 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
e4bcb14c
TS
2207 break;
2208 case IF_PFLASH:
2209 case IF_MTD:
a8659e90 2210 case IF_NONE:
e4bcb14c 2211 break;
d176c495
GH
2212 case IF_VIRTIO:
2213 /* add virtio block device */
2214 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2215 qemu_opt_set(opts, "driver", "virtio-blk-pci");
2216 qemu_opt_set(opts, "drive", dinfo->id);
2217 if (devaddr)
2218 qemu_opt_set(opts, "addr", devaddr);
2219 break;
aae9460e
PB
2220 case IF_COUNT:
2221 abort();
e4bcb14c 2222 }
9dfd7c7a 2223 if (!file) {
751c6a17
GH
2224 *fatal_error = 0;
2225 return NULL;
2226 }
33f00271 2227 bdrv_flags = 0;
9f7965c7 2228 if (snapshot) {
33f00271 2229 bdrv_flags |= BDRV_O_SNAPSHOT;
9f7965c7
AL
2230 cache = 2; /* always use write-back with snapshot */
2231 }
2232 if (cache == 0) /* no caching */
2233 bdrv_flags |= BDRV_O_NOCACHE;
2234 else if (cache == 2) /* write-back */
2235 bdrv_flags |= BDRV_O_CACHE_WB;
5c6c3a6c
CH
2236
2237 if (aio == 1) {
2238 bdrv_flags |= BDRV_O_NATIVE_AIO;
2239 } else {
2240 bdrv_flags &= ~BDRV_O_NATIVE_AIO;
2241 }
2242
1dae12e6 2243 if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
e4bcb14c
TS
2244 fprintf(stderr, "qemu: could not open disk image %s\n",
2245 file);
751c6a17 2246 return NULL;
e4bcb14c 2247 }
5c6c3a6c 2248
1dae12e6 2249 if (bdrv_key_required(dinfo->bdrv))
c0f4ce77 2250 autostart = 0;
751c6a17
GH
2251 *fatal_error = 0;
2252 return dinfo;
e4bcb14c
TS
2253}
2254
9dfd7c7a
GH
2255static int drive_init_func(QemuOpts *opts, void *opaque)
2256{
2257 QEMUMachine *machine = opaque;
2258 int fatal_error = 0;
2259
2260 if (drive_init(opts, machine, &fatal_error) == NULL) {
2261 if (fatal_error)
2262 return 1;
2263 }
2264 return 0;
2265}
2266
2267static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
2268{
2269 if (NULL == qemu_opt_get(opts, "snapshot")) {
2270 qemu_opt_set(opts, "snapshot", "on");
2271 }
2272 return 0;
2273}
2274
76e30d0f
JK
2275void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
2276{
2277 boot_set_handler = func;
2278 boot_set_opaque = opaque;
2279}
2280
2281int qemu_boot_set(const char *boot_devices)
2282{
2283 if (!boot_set_handler) {
2284 return -EINVAL;
2285 }
2286 return boot_set_handler(boot_set_opaque, boot_devices);
2287}
2288
ef3adf68
JK
2289static int parse_bootdevices(char *devices)
2290{
2291 /* We just do some generic consistency checks */
2292 const char *p;
2293 int bitmap = 0;
2294
2295 for (p = devices; *p != '\0'; p++) {
2296 /* Allowed boot devices are:
2297 * a-b: floppy disk drives
2298 * c-f: IDE disk drives
2299 * g-m: machine implementation dependant drives
2300 * n-p: network devices
2301 * It's up to each machine implementation to check if the given boot
2302 * devices match the actual hardware implementation and firmware
2303 * features.
2304 */
2305 if (*p < 'a' || *p > 'p') {
2306 fprintf(stderr, "Invalid boot device '%c'\n", *p);
2307 exit(1);
2308 }
2309 if (bitmap & (1 << (*p - 'a'))) {
2310 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
2311 exit(1);
2312 }
2313 bitmap |= 1 << (*p - 'a');
2314 }
2315 return bitmap;
2316}
2317
e0f084bf
JK
2318static void restore_boot_devices(void *opaque)
2319{
2320 char *standard_boot_devices = opaque;
2321
2322 qemu_boot_set(standard_boot_devices);
2323
2324 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
2325 qemu_free(standard_boot_devices);
2326}
2327
268a362c
AL
2328static void numa_add(const char *optarg)
2329{
2330 char option[128];
2331 char *endptr;
2332 unsigned long long value, endvalue;
2333 int nodenr;
2334
2335 optarg = get_opt_name(option, 128, optarg, ',') + 1;
2336 if (!strcmp(option, "node")) {
2337 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
2338 nodenr = nb_numa_nodes;
2339 } else {
2340 nodenr = strtoull(option, NULL, 10);
2341 }
2342
2343 if (get_param_value(option, 128, "mem", optarg) == 0) {
2344 node_mem[nodenr] = 0;
2345 } else {
2346 value = strtoull(option, &endptr, 0);
2347 switch (*endptr) {
2348 case 0: case 'M': case 'm':
2349 value <<= 20;
2350 break;
2351 case 'G': case 'g':
2352 value <<= 30;
2353 break;
2354 }
2355 node_mem[nodenr] = value;
2356 }
2357 if (get_param_value(option, 128, "cpus", optarg) == 0) {
2358 node_cpumask[nodenr] = 0;
2359 } else {
2360 value = strtoull(option, &endptr, 10);
2361 if (value >= 64) {
2362 value = 63;
2363 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
2364 } else {
2365 if (*endptr == '-') {
2366 endvalue = strtoull(endptr+1, &endptr, 10);
2367 if (endvalue >= 63) {
2368 endvalue = 62;
2369 fprintf(stderr,
2370 "only 63 CPUs in NUMA mode supported.\n");
2371 }
2372 value = (1 << (endvalue + 1)) - (1 << value);
2373 } else {
2374 value = 1 << value;
2375 }
2376 }
2377 node_cpumask[nodenr] = value;
2378 }
2379 nb_numa_nodes++;
2380 }
2381 return;
2382}
2383
dc6b1c09
AP
2384static void smp_parse(const char *optarg)
2385{
2386 int smp, sockets = 0, threads = 0, cores = 0;
2387 char *endptr;
2388 char option[128];
2389
2390 smp = strtoul(optarg, &endptr, 10);
2391 if (endptr != optarg) {
2392 if (*endptr == ',') {
2393 endptr++;
2394 }
2395 }
2396 if (get_param_value(option, 128, "sockets", endptr) != 0)
2397 sockets = strtoull(option, NULL, 10);
2398 if (get_param_value(option, 128, "cores", endptr) != 0)
2399 cores = strtoull(option, NULL, 10);
2400 if (get_param_value(option, 128, "threads", endptr) != 0)
2401 threads = strtoull(option, NULL, 10);
2402 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
2403 max_cpus = strtoull(option, NULL, 10);
2404
2405 /* compute missing values, prefer sockets over cores over threads */
2406 if (smp == 0 || sockets == 0) {
2407 sockets = sockets > 0 ? sockets : 1;
2408 cores = cores > 0 ? cores : 1;
2409 threads = threads > 0 ? threads : 1;
2410 if (smp == 0) {
2411 smp = cores * threads * sockets;
2412 } else {
2413 sockets = smp / (cores * threads);
2414 }
2415 } else {
2416 if (cores == 0) {
2417 threads = threads > 0 ? threads : 1;
2418 cores = smp / (sockets * threads);
2419 } else {
2420 if (sockets == 0) {
2421 sockets = smp / (cores * threads);
2422 } else {
2423 threads = smp / (cores * sockets);
2424 }
2425 }
2426 }
2427 smp_cpus = smp;
2428 smp_cores = cores > 0 ? cores : 1;
2429 smp_threads = threads > 0 ? threads : 1;
2430 if (max_cpus == 0)
2431 max_cpus = smp_cpus;
2432}
2433
a594cfbf
FB
2434/***********************************************************/
2435/* USB devices */
2436
bb5fc20f
AL
2437static void usb_msd_password_cb(void *opaque, int err)
2438{
2439 USBDevice *dev = opaque;
2440
2441 if (!err)
a5d2f727 2442 usb_device_attach(dev);
bb5fc20f 2443 else
806b6024 2444 dev->info->handle_destroy(dev);
bb5fc20f
AL
2445}
2446
a5d2f727
GH
2447static struct {
2448 const char *name;
2449 const char *qdev;
2450} usbdevs[] = {
2451 {
2452 .name = "mouse",
2453 .qdev = "QEMU USB Mouse",
2454 },{
2455 .name = "tablet",
2456 .qdev = "QEMU USB Tablet",
2457 },{
2458 .name = "keyboard",
2459 .qdev = "QEMU USB Keyboard",
2460 },{
2461 .name = "wacom-tablet",
2462 .qdev = "QEMU PenPartner Tablet",
2463 }
2464};
2465
c0f4ce77 2466static int usb_device_add(const char *devname, int is_hotplug)
a594cfbf
FB
2467{
2468 const char *p;
a5d2f727
GH
2469 USBBus *bus = usb_bus_find(-1 /* any */);
2470 USBDevice *dev = NULL;
2471 int i;
a594cfbf 2472
a5d2f727 2473 if (!usb_enabled)
a594cfbf
FB
2474 return -1;
2475
a5d2f727
GH
2476 /* simple devices which don't need extra care */
2477 for (i = 0; i < ARRAY_SIZE(usbdevs); i++) {
2478 if (strcmp(devname, usbdevs[i].name) != 0)
2479 continue;
2480 dev = usb_create_simple(bus, usbdevs[i].qdev);
2481 goto done;
2482 }
2483
2484 /* the other ones */
a594cfbf
FB
2485 if (strstart(devname, "host:", &p)) {
2486 dev = usb_host_device_open(p);
2e5d83bb 2487 } else if (strstart(devname, "disk:", &p)) {
c0f4ce77
AL
2488 BlockDriverState *bs;
2489
bb5fc20f 2490 dev = usb_msd_init(p);
c0f4ce77
AL
2491 if (!dev)
2492 return -1;
bb5fc20f 2493 bs = usb_msd_get_bdrv(dev);
c0f4ce77
AL
2494 if (bdrv_key_required(bs)) {
2495 autostart = 0;
bb5fc20f 2496 if (is_hotplug) {
376253ec
AL
2497 monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb,
2498 dev);
bb5fc20f 2499 return 0;
c0f4ce77
AL
2500 }
2501 }
a7954218
AZ
2502 } else if (strstart(devname, "serial:", &p)) {
2503 dev = usb_serial_init(p);
2e4d9fb1
AJ
2504#ifdef CONFIG_BRLAPI
2505 } else if (!strcmp(devname, "braille")) {
2506 dev = usb_baum_init();
2507#endif
6c9f886c 2508 } else if (strstart(devname, "net:", &p)) {
9ad97e65 2509 int nic = nb_nics;
6c9f886c 2510
10ae5a7a 2511 if (net_client_init(NULL, "nic", p) < 0)
6c9f886c 2512 return -1;
9ad97e65
AZ
2513 nd_table[nic].model = "usb";
2514 dev = usb_net_init(&nd_table[nic]);
dc72ac14
AZ
2515 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
2516 dev = usb_bt_init(devname[2] ? hci_init(p) :
2517 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB
2518 } else {
2519 return -1;
2520 }
0d92ed30
PB
2521 if (!dev)
2522 return -1;
2523
a5d2f727 2524done:
a594cfbf
FB
2525 return 0;
2526}
2527
1f3870ab
AL
2528static int usb_device_del(const char *devname)
2529{
2530 int bus_num, addr;
2531 const char *p;
2532
5d0c5750
AL
2533 if (strstart(devname, "host:", &p))
2534 return usb_host_device_close(p);
2535
a5d2f727 2536 if (!usb_enabled)
1f3870ab
AL
2537 return -1;
2538
2539 p = strchr(devname, '.');
2540 if (!p)
2541 return -1;
2542 bus_num = strtoul(devname, NULL, 0);
2543 addr = strtoul(p + 1, NULL, 0);
2544
a5d2f727 2545 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL
2546}
2547
bd3c948d
GH
2548static int usb_parse(const char *cmdline)
2549{
2550 return usb_device_add(cmdline, 0);
2551}
2552
d54908a5 2553void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 2554{
d54908a5 2555 usb_device_add(qdict_get_str(qdict, "devname"), 1);
a594cfbf
FB
2556}
2557
d54908a5 2558void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 2559{
d54908a5 2560 usb_device_del(qdict_get_str(qdict, "devname"));
a594cfbf
FB
2561}
2562
201a51fc
AZ
2563/***********************************************************/
2564/* PCMCIA/Cardbus */
2565
2566static struct pcmcia_socket_entry_s {
bc24a225 2567 PCMCIASocket *socket;
201a51fc
AZ
2568 struct pcmcia_socket_entry_s *next;
2569} *pcmcia_sockets = 0;
2570
bc24a225 2571void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ
2572{
2573 struct pcmcia_socket_entry_s *entry;
2574
2575 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2576 entry->socket = socket;
2577 entry->next = pcmcia_sockets;
2578 pcmcia_sockets = entry;
2579}
2580
bc24a225 2581void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ
2582{
2583 struct pcmcia_socket_entry_s *entry, **ptr;
2584
2585 ptr = &pcmcia_sockets;
2586 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2587 if (entry->socket == socket) {
2588 *ptr = entry->next;
2589 qemu_free(entry);
2590 }
2591}
2592
376253ec 2593void pcmcia_info(Monitor *mon)
201a51fc
AZ
2594{
2595 struct pcmcia_socket_entry_s *iter;
376253ec 2596
201a51fc 2597 if (!pcmcia_sockets)
376253ec 2598 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ
2599
2600 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL
2601 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
2602 iter->socket->attached ? iter->socket->card_string :
2603 "Empty");
201a51fc
AZ
2604}
2605
2ff89790 2606/***********************************************************/
3023f332
AL
2607/* register display */
2608
7b5d76da
AL
2609struct DisplayAllocator default_allocator = {
2610 defaultallocator_create_displaysurface,
2611 defaultallocator_resize_displaysurface,
2612 defaultallocator_free_displaysurface
2613};
2614
3023f332
AL
2615void register_displaystate(DisplayState *ds)
2616{
2617 DisplayState **s;
2618 s = &display_state;
2619 while (*s != NULL)
2620 s = &(*s)->next;
2621 ds->next = NULL;
2622 *s = ds;
2623}
2624
2625DisplayState *get_displaystate(void)
2626{
2627 return display_state;
2628}
2629
7b5d76da
AL
2630DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
2631{
2632 if(ds->allocator == &default_allocator) ds->allocator = da;
2633 return ds->allocator;
2634}
2635
2ff89790
TS
2636/* dumb display */
2637
8f391ab4 2638static void dumb_display_init(void)
2ff89790 2639{
8f391ab4 2640 DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
7b5d76da
AL
2641 ds->allocator = &default_allocator;
2642 ds->surface = qemu_create_displaysurface(ds, 640, 480);
8f391ab4 2643 register_displaystate(ds);
2ff89790
TS
2644}
2645
8a7ddc38
FB
2646/***********************************************************/
2647/* I/O handling */
0824d6fc 2648
c4b1fcc0
FB
2649typedef struct IOHandlerRecord {
2650 int fd;
7c9d8e07
FB
2651 IOCanRWHandler *fd_read_poll;
2652 IOHandler *fd_read;
2653 IOHandler *fd_write;
cafffd40 2654 int deleted;
c4b1fcc0
FB
2655 void *opaque;
2656 /* temporary data */
2657 struct pollfd *ufd;
8a7ddc38 2658 struct IOHandlerRecord *next;
c4b1fcc0
FB
2659} IOHandlerRecord;
2660
8a7ddc38 2661static IOHandlerRecord *first_io_handler;
c4b1fcc0 2662
7c9d8e07
FB
2663/* XXX: fd_read_poll should be suppressed, but an API change is
2664 necessary in the character devices to suppress fd_can_read(). */
5fafdf24
TS
2665int qemu_set_fd_handler2(int fd,
2666 IOCanRWHandler *fd_read_poll,
2667 IOHandler *fd_read,
2668 IOHandler *fd_write,
7c9d8e07 2669 void *opaque)
c4b1fcc0 2670{
7c9d8e07 2671 IOHandlerRecord **pioh, *ioh;
c4b1fcc0 2672
7c9d8e07
FB
2673 if (!fd_read && !fd_write) {
2674 pioh = &first_io_handler;
2675 for(;;) {
2676 ioh = *pioh;
2677 if (ioh == NULL)
2678 break;
2679 if (ioh->fd == fd) {
cafffd40 2680 ioh->deleted = 1;
7c9d8e07
FB
2681 break;
2682 }
2683 pioh = &ioh->next;
2684 }
2685 } else {
2686 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2687 if (ioh->fd == fd)
2688 goto found;
2689 }
2690 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
7c9d8e07
FB
2691 ioh->next = first_io_handler;
2692 first_io_handler = ioh;
2693 found:
2694 ioh->fd = fd;
2695 ioh->fd_read_poll = fd_read_poll;
2696 ioh->fd_read = fd_read;
2697 ioh->fd_write = fd_write;
2698 ioh->opaque = opaque;
cafffd40 2699 ioh->deleted = 0;
7c9d8e07 2700 }
c4b1fcc0
FB
2701 return 0;
2702}
2703
5fafdf24
TS
2704int qemu_set_fd_handler(int fd,
2705 IOHandler *fd_read,
2706 IOHandler *fd_write,
7c9d8e07 2707 void *opaque)
8a7ddc38 2708{
7c9d8e07 2709 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB
2710}
2711
56f3a5d0 2712#ifdef _WIN32
f331110f
FB
2713/***********************************************************/
2714/* Polling handling */
2715
2716typedef struct PollingEntry {
2717 PollingFunc *func;
2718 void *opaque;
2719 struct PollingEntry *next;
2720} PollingEntry;
2721
2722static PollingEntry *first_polling_entry;
2723
2724int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2725{
2726 PollingEntry **ppe, *pe;
2727 pe = qemu_mallocz(sizeof(PollingEntry));
f331110f
FB
2728 pe->func = func;
2729 pe->opaque = opaque;
2730 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2731 *ppe = pe;
2732 return 0;
2733}
2734
2735void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2736{
2737 PollingEntry **ppe, *pe;
2738 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2739 pe = *ppe;
2740 if (pe->func == func && pe->opaque == opaque) {
2741 *ppe = pe->next;
2742 qemu_free(pe);
2743 break;
2744 }
2745 }
2746}
2747
a18e524a
FB
2748/***********************************************************/
2749/* Wait objects support */
2750typedef struct WaitObjects {
2751 int num;
2752 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2753 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2754 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2755} WaitObjects;
2756
2757static WaitObjects wait_objects = {0};
3b46e624 2758
a18e524a
FB
2759int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2760{
2761 WaitObjects *w = &wait_objects;
2762
2763 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2764 return -1;
2765 w->events[w->num] = handle;
2766 w->func[w->num] = func;
2767 w->opaque[w->num] = opaque;
2768 w->num++;
2769 return 0;
2770}
2771
2772void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2773{
2774 int i, found;
2775 WaitObjects *w = &wait_objects;
2776
2777 found = 0;
2778 for (i = 0; i < w->num; i++) {
2779 if (w->events[i] == handle)
2780 found = 1;
2781 if (found) {
2782 w->events[i] = w->events[i + 1];
2783 w->func[i] = w->func[i + 1];
2784 w->opaque[i] = w->opaque[i + 1];
3b46e624 2785 }
a18e524a
FB
2786 }
2787 if (found)
2788 w->num--;
2789}
2790#endif
2791
8a7ddc38
FB
2792/***********************************************************/
2793/* ram save/restore */
2794
c88676f8
FB
2795#define BDRV_HASH_BLOCK_SIZE 1024
2796#define IOBUF_SIZE 4096
2797#define RAM_CBLOCK_MAGIC 0xfabe
2798
c88676f8
FB
2799typedef struct RamDecompressState {
2800 z_stream zstream;
2801 QEMUFile *f;
2802 uint8_t buf[IOBUF_SIZE];
2803} RamDecompressState;
2804
2805static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
2806{
2807 int ret;
2808 memset(s, 0, sizeof(*s));
2809 s->f = f;
2810 ret = inflateInit(&s->zstream);
2811 if (ret != Z_OK)
2812 return -1;
2813 return 0;
2814}
2815
2816static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
2817{
2818 int ret, clen;
2819
2820 s->zstream.avail_out = len;
2821 s->zstream.next_out = buf;
2822 while (s->zstream.avail_out > 0) {
2823 if (s->zstream.avail_in == 0) {
2824 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
2825 return -1;
2826 clen = qemu_get_be16(s->f);
2827 if (clen > IOBUF_SIZE)
2828 return -1;
2829 qemu_get_buffer(s->f, s->buf, clen);
2830 s->zstream.avail_in = clen;
2831 s->zstream.next_in = s->buf;
2832 }
2833 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
2834 if (ret != Z_OK && ret != Z_STREAM_END) {
2835 return -1;
2836 }
2837 }
2838 return 0;
2839}
2840
2841static void ram_decompress_close(RamDecompressState *s)
2842{
2843 inflateEnd(&s->zstream);
2844}
2845
475e4277
AL
2846#define RAM_SAVE_FLAG_FULL 0x01
2847#define RAM_SAVE_FLAG_COMPRESS 0x02
2848#define RAM_SAVE_FLAG_MEM_SIZE 0x04
2849#define RAM_SAVE_FLAG_PAGE 0x08
2850#define RAM_SAVE_FLAG_EOS 0x10
2851
2852static int is_dup_page(uint8_t *page, uint8_t ch)
8a7ddc38 2853{
475e4277
AL
2854 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
2855 uint32_t *array = (uint32_t *)page;
2856 int i;
3b46e624 2857
475e4277
AL
2858 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
2859 if (array[i] != val)
2860 return 0;
2861 }
2862
2863 return 1;
2864}
2865
2866static int ram_save_block(QEMUFile *f)
2867{
2868 static ram_addr_t current_addr = 0;
2869 ram_addr_t saved_addr = current_addr;
2870 ram_addr_t addr = 0;
2871 int found = 0;
2872
94a6b54f 2873 while (addr < last_ram_offset) {
475e4277 2874 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
5579c7f3 2875 uint8_t *p;
475e4277
AL
2876
2877 cpu_physical_memory_reset_dirty(current_addr,
2878 current_addr + TARGET_PAGE_SIZE,
2879 MIGRATION_DIRTY_FLAG);
2880
5579c7f3 2881 p = qemu_get_ram_ptr(current_addr);
475e4277 2882
5579c7f3 2883 if (is_dup_page(p, *p)) {
475e4277 2884 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
5579c7f3 2885 qemu_put_byte(f, *p);
475e4277
AL
2886 } else {
2887 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
5579c7f3 2888 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
c88676f8 2889 }
475e4277
AL
2890
2891 found = 1;
2892 break;
c88676f8 2893 }
475e4277 2894 addr += TARGET_PAGE_SIZE;
94a6b54f 2895 current_addr = (saved_addr + addr) % last_ram_offset;
8a7ddc38 2896 }
475e4277
AL
2897
2898 return found;
8a7ddc38
FB
2899}
2900
9f9e28cd 2901static uint64_t bytes_transferred = 0;
475e4277
AL
2902
2903static ram_addr_t ram_save_remaining(void)
2904{
2905 ram_addr_t addr;
2906 ram_addr_t count = 0;
2907
94a6b54f 2908 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
475e4277
AL
2909 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
2910 count++;
2911 }
2912
2913 return count;
2914}
2915
9f9e28cd
GC
2916uint64_t ram_bytes_remaining(void)
2917{
2918 return ram_save_remaining() * TARGET_PAGE_SIZE;
2919}
2920
2921uint64_t ram_bytes_transferred(void)
2922{
2923 return bytes_transferred;
2924}
2925
2926uint64_t ram_bytes_total(void)
2927{
2928 return last_ram_offset;
2929}
2930
475e4277
AL
2931static int ram_save_live(QEMUFile *f, int stage, void *opaque)
2932{
2933 ram_addr_t addr;
a0a3fd60
GC
2934 uint64_t bytes_transferred_last;
2935 double bwidth = 0;
2936 uint64_t expected_time = 0;
475e4277 2937
9fa06385 2938 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
b0a46a33
JK
2939 qemu_file_set_error(f);
2940 return 0;
2941 }
2942
475e4277
AL
2943 if (stage == 1) {
2944 /* Make sure all dirty bits are set */
94a6b54f 2945 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
475e4277
AL
2946 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
2947 cpu_physical_memory_set_dirty(addr);
2948 }
b0a46a33 2949
475e4277
AL
2950 /* Enable dirty memory tracking */
2951 cpu_physical_memory_set_dirty_tracking(1);
2952
94a6b54f 2953 qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
475e4277
AL
2954 }
2955
a0a3fd60
GC
2956 bytes_transferred_last = bytes_transferred;
2957 bwidth = get_clock();
2958
475e4277
AL
2959 while (!qemu_file_rate_limit(f)) {
2960 int ret;
2961
2962 ret = ram_save_block(f);
9f9e28cd 2963 bytes_transferred += ret * TARGET_PAGE_SIZE;
475e4277
AL
2964 if (ret == 0) /* no more blocks */
2965 break;
2966 }
2967
a0a3fd60
GC
2968 bwidth = get_clock() - bwidth;
2969 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
2970
2971 /* if we haven't transferred anything this round, force expected_time to a
2972 * a very high value, but without crashing */
2973 if (bwidth == 0)
2974 bwidth = 0.000001;
2975
475e4277
AL
2976 /* try transferring iterative blocks of memory */
2977
2978 if (stage == 3) {
475e4277
AL
2979
2980 /* flush all remaining blocks regardless of rate limiting */
9f9e28cd
GC
2981 while (ram_save_block(f) != 0) {
2982 bytes_transferred += TARGET_PAGE_SIZE;
2983 }
8215e914 2984 cpu_physical_memory_set_dirty_tracking(0);
475e4277
AL
2985 }
2986
2987 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
2988
a0a3fd60
GC
2989 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
2990
2991 return (stage == 2) && (expected_time <= migrate_max_downtime());
475e4277
AL
2992}
2993
2994static int ram_load_dead(QEMUFile *f, void *opaque)
8a7ddc38 2995{
c88676f8
FB
2996 RamDecompressState s1, *s = &s1;
2997 uint8_t buf[10];
00f82b8a 2998 ram_addr_t i;
8a7ddc38 2999
c88676f8
FB
3000 if (ram_decompress_open(s, f) < 0)
3001 return -EINVAL;
94a6b54f 3002 for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) {
c88676f8
FB
3003 if (ram_decompress_buf(s, buf, 1) < 0) {
3004 fprintf(stderr, "Error while reading ram block header\n");
3005 goto error;
3006 }
3007 if (buf[0] == 0) {
5579c7f3
PB
3008 if (ram_decompress_buf(s, qemu_get_ram_ptr(i),
3009 BDRV_HASH_BLOCK_SIZE) < 0) {
00f82b8a 3010 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
c88676f8
FB
3011 goto error;
3012 }
475e4277 3013 } else {
c88676f8
FB
3014 error:
3015 printf("Error block header\n");
3016 return -EINVAL;
3017 }
8a7ddc38 3018 }
c88676f8 3019 ram_decompress_close(s);
475e4277
AL
3020
3021 return 0;
3022}
3023
3024static int ram_load(QEMUFile *f, void *opaque, int version_id)
3025{
3026 ram_addr_t addr;
3027 int flags;
3028
475e4277 3029 if (version_id == 2) {
94a6b54f 3030 if (qemu_get_be32(f) != last_ram_offset)
475e4277
AL
3031 return -EINVAL;
3032 return ram_load_dead(f, opaque);
3033 }
3034
3035 if (version_id != 3)
3036 return -EINVAL;
3037
3038 do {
3039 addr = qemu_get_be64(f);
3040
3041 flags = addr & ~TARGET_PAGE_MASK;
3042 addr &= TARGET_PAGE_MASK;
3043
3044 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
94a6b54f 3045 if (addr != last_ram_offset)
475e4277
AL
3046 return -EINVAL;
3047 }
3048
3049 if (flags & RAM_SAVE_FLAG_FULL) {
3050 if (ram_load_dead(f, opaque) < 0)
3051 return -EINVAL;
3052 }
3053
3054 if (flags & RAM_SAVE_FLAG_COMPRESS) {
3055 uint8_t ch = qemu_get_byte(f);
779c6bef
AL
3056 memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
3057#ifndef _WIN32
30868442
AL
3058 if (ch == 0 &&
3059 (!kvm_enabled() || kvm_has_sync_mmu())) {
3060 madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
779c6bef 3061 }
30868442 3062#endif
475e4277 3063 } else if (flags & RAM_SAVE_FLAG_PAGE)
5579c7f3 3064 qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
475e4277
AL
3065 } while (!(flags & RAM_SAVE_FLAG_EOS));
3066
8a7ddc38
FB
3067 return 0;
3068}
3069
9e472e10
AL
3070void qemu_service_io(void)
3071{
d9f75a4e 3072 qemu_notify_event();
9e472e10
AL
3073}
3074
83f64091
FB
3075/***********************************************************/
3076/* bottom halves (can be seen as timers which expire ASAP) */
3077
3078struct QEMUBH {
3079 QEMUBHFunc *cb;
3080 void *opaque;
3081 int scheduled;
1b435b10
AL
3082 int idle;
3083 int deleted;
83f64091
FB
3084 QEMUBH *next;
3085};
3086
3087static QEMUBH *first_bh = NULL;
3088
3089QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
3090{
3091 QEMUBH *bh;
3092 bh = qemu_mallocz(sizeof(QEMUBH));
83f64091
FB
3093 bh->cb = cb;
3094 bh->opaque = opaque;
1b435b10
AL
3095 bh->next = first_bh;
3096 first_bh = bh;
83f64091
FB
3097 return bh;
3098}
3099
6eb5733a 3100int qemu_bh_poll(void)
83f64091 3101{
1b435b10 3102 QEMUBH *bh, **bhp;
6eb5733a 3103 int ret;
83f64091 3104
6eb5733a 3105 ret = 0;
1b435b10
AL
3106 for (bh = first_bh; bh; bh = bh->next) {
3107 if (!bh->deleted && bh->scheduled) {
3108 bh->scheduled = 0;
3109 if (!bh->idle)
3110 ret = 1;
3111 bh->idle = 0;
3112 bh->cb(bh->opaque);
3113 }
83f64091 3114 }
1b435b10
AL
3115
3116 /* remove deleted bhs */
3117 bhp = &first_bh;
3118 while (*bhp) {
3119 bh = *bhp;
3120 if (bh->deleted) {
3121 *bhp = bh->next;
3122 qemu_free(bh);
3123 } else
3124 bhp = &bh->next;
3125 }
3126
6eb5733a 3127 return ret;
83f64091
FB
3128}
3129
1b435b10
AL
3130void qemu_bh_schedule_idle(QEMUBH *bh)
3131{
3132 if (bh->scheduled)
3133 return;
3134 bh->scheduled = 1;
3135 bh->idle = 1;
3136}
3137
83f64091
FB
3138void qemu_bh_schedule(QEMUBH *bh)
3139{
83f64091
FB
3140 if (bh->scheduled)
3141 return;
3142 bh->scheduled = 1;
1b435b10 3143 bh->idle = 0;
83f64091 3144 /* stop the currently executing CPU to execute the BH ASAP */
d9f75a4e 3145 qemu_notify_event();
83f64091
FB
3146}
3147
3148void qemu_bh_cancel(QEMUBH *bh)
3149{
1b435b10 3150 bh->scheduled = 0;
83f64091
FB
3151}
3152
3153void qemu_bh_delete(QEMUBH *bh)
3154{
1b435b10
AL
3155 bh->scheduled = 0;
3156 bh->deleted = 1;
83f64091
FB
3157}
3158
56f3a5d0
AL
3159static void qemu_bh_update_timeout(int *timeout)
3160{
3161 QEMUBH *bh;
3162
3163 for (bh = first_bh; bh; bh = bh->next) {
3164 if (!bh->deleted && bh->scheduled) {
3165 if (bh->idle) {
3166 /* idle bottom halves will be polled at least
3167 * every 10ms */
3168 *timeout = MIN(10, *timeout);
3169 } else {
3170 /* non-idle bottom halves will be executed
3171 * immediately */
3172 *timeout = 0;
3173 break;
3174 }
3175 }
3176 }
3177}
3178
cc1daa40
FB
3179/***********************************************************/
3180/* machine registration */
3181
bdaf78e0 3182static QEMUMachine *first_machine = NULL;
6f338c34 3183QEMUMachine *current_machine = NULL;
cc1daa40
FB
3184
3185int qemu_register_machine(QEMUMachine *m)
3186{
3187 QEMUMachine **pm;
3188 pm = &first_machine;
3189 while (*pm != NULL)
3190 pm = &(*pm)->next;
3191 m->next = NULL;
3192 *pm = m;
3193 return 0;
3194}
3195
9596ebb7 3196static QEMUMachine *find_machine(const char *name)
cc1daa40
FB
3197{
3198 QEMUMachine *m;
3199
3200 for(m = first_machine; m != NULL; m = m->next) {
3201 if (!strcmp(m->name, name))
3202 return m;
3f6599e6
MM
3203 if (m->alias && !strcmp(m->alias, name))
3204 return m;
cc1daa40
FB
3205 }
3206 return NULL;
3207}
3208
0c257437
AL
3209static QEMUMachine *find_default_machine(void)
3210{
3211 QEMUMachine *m;
3212
3213 for(m = first_machine; m != NULL; m = m->next) {
3214 if (m->is_default) {
3215 return m;
3216 }
3217 }
3218 return NULL;
3219}
3220
8a7ddc38
FB
3221/***********************************************************/
3222/* main execution loop */
3223
9596ebb7 3224static void gui_update(void *opaque)
8a7ddc38 3225{
7d957bd8 3226 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 3227 DisplayState *ds = opaque;
7d957bd8
AL
3228 DisplayChangeListener *dcl = ds->listeners;
3229
3230 dpy_refresh(ds);
3231
3232 while (dcl != NULL) {
3233 if (dcl->gui_timer_interval &&
3234 dcl->gui_timer_interval < interval)
3235 interval = dcl->gui_timer_interval;
3236 dcl = dcl->next;
3237 }
3238 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB
3239}
3240
9043b62d
BS
3241static void nographic_update(void *opaque)
3242{
3243 uint64_t interval = GUI_REFRESH_INTERVAL;
3244
3245 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
3246}
3247
0bd48850
FB
3248struct vm_change_state_entry {
3249 VMChangeStateHandler *cb;
3250 void *opaque;
3251 LIST_ENTRY (vm_change_state_entry) entries;
3252};
3253
3254static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
3255
3256VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
3257 void *opaque)
3258{
3259 VMChangeStateEntry *e;
3260
3261 e = qemu_mallocz(sizeof (*e));
0bd48850
FB
3262
3263 e->cb = cb;
3264 e->opaque = opaque;
3265 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
3266 return e;
3267}
3268
3269void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
3270{
3271 LIST_REMOVE (e, entries);
3272 qemu_free (e);
3273}
3274
9781e040 3275static void vm_state_notify(int running, int reason)
0bd48850
FB
3276{
3277 VMChangeStateEntry *e;
3278
3279 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 3280 e->cb(e->opaque, running, reason);
0bd48850
FB
3281 }
3282}
3283
d6dc3d42
AL
3284static void resume_all_vcpus(void);
3285static void pause_all_vcpus(void);
3286
8a7ddc38
FB
3287void vm_start(void)
3288{
3289 if (!vm_running) {
3290 cpu_enable_ticks();
3291 vm_running = 1;
9781e040 3292 vm_state_notify(1, 0);
efe75411 3293 qemu_rearm_alarm_timer(alarm_timer);
d6dc3d42 3294 resume_all_vcpus();
8a7ddc38
FB
3295 }
3296}
3297
bb0c6722
FB
3298/* reset/shutdown handler */
3299
3300typedef struct QEMUResetEntry {
55ddfe8e 3301 TAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB
3302 QEMUResetHandler *func;
3303 void *opaque;
bb0c6722
FB
3304} QEMUResetEntry;
3305
55ddfe8e
JK
3306static TAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
3307 TAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB
3308static int reset_requested;
3309static int shutdown_requested;
3475187d 3310static int powerdown_requested;
e568902a 3311static int debug_requested;
6e29f5da 3312static int vmstop_requested;
bb0c6722 3313
cf7a2fe2
AJ
3314int qemu_shutdown_requested(void)
3315{
3316 int r = shutdown_requested;
3317 shutdown_requested = 0;
3318 return r;
3319}
3320
3321int qemu_reset_requested(void)
3322{
3323 int r = reset_requested;
3324 reset_requested = 0;
3325 return r;
3326}
3327
3328int qemu_powerdown_requested(void)
3329{
3330 int r = powerdown_requested;
3331 powerdown_requested = 0;
3332 return r;
3333}
3334
e568902a
AL
3335static int qemu_debug_requested(void)
3336{
3337 int r = debug_requested;
3338 debug_requested = 0;
3339 return r;
3340}
3341
6e29f5da
AL
3342static int qemu_vmstop_requested(void)
3343{
3344 int r = vmstop_requested;
3345 vmstop_requested = 0;
3346 return r;
3347}
3348
3349static void do_vm_stop(int reason)
3350{
3351 if (vm_running) {
3352 cpu_disable_ticks();
3353 vm_running = 0;
d6dc3d42 3354 pause_all_vcpus();
6e29f5da
AL
3355 vm_state_notify(0, reason);
3356 }
3357}
3358
a08d4367 3359void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 3360{
55ddfe8e 3361 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 3362
bb0c6722
FB
3363 re->func = func;
3364 re->opaque = opaque;
55ddfe8e 3365 TAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB
3366}
3367
dda9b29f 3368void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB
3369{
3370 QEMUResetEntry *re;
3371
55ddfe8e 3372 TAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f
JK
3373 if (re->func == func && re->opaque == opaque) {
3374 TAILQ_REMOVE(&reset_handlers, re, entry);
3375 qemu_free(re);
3376 return;
3377 }
3378 }
3379}
3380
3381void qemu_system_reset(void)
3382{
3383 QEMUResetEntry *re, *nre;
3384
3385 /* reset all devices */
3386 TAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB
3387 re->func(re->opaque);
3388 }
3389}
3390
3391void qemu_system_reset_request(void)
3392{
d1beab82
FB
3393 if (no_reboot) {
3394 shutdown_requested = 1;
3395 } else {
3396 reset_requested = 1;
3397 }
d9f75a4e 3398 qemu_notify_event();
bb0c6722
FB
3399}
3400
3401void qemu_system_shutdown_request(void)
3402{
3403 shutdown_requested = 1;
d9f75a4e 3404 qemu_notify_event();
bb0c6722
FB
3405}
3406
3475187d
FB
3407void qemu_system_powerdown_request(void)
3408{
3409 powerdown_requested = 1;
d9f75a4e
AL
3410 qemu_notify_event();
3411}
3412
d6dc3d42
AL
3413#ifdef CONFIG_IOTHREAD
3414static void qemu_system_vmstop_request(int reason)
d9f75a4e 3415{
d6dc3d42
AL
3416 vmstop_requested = reason;
3417 qemu_notify_event();
bb0c6722 3418}
d6dc3d42 3419#endif
bb0c6722 3420
50317c7f
AL
3421#ifndef _WIN32
3422static int io_thread_fd = -1;
3423
3424static void qemu_event_increment(void)
3fcf7b6b 3425{
50317c7f
AL
3426 static const char byte = 0;
3427
3428 if (io_thread_fd == -1)
3429 return;
3430
3431 write(io_thread_fd, &byte, sizeof(byte));
3432}
3433
3434static void qemu_event_read(void *opaque)
3435{
3436 int fd = (unsigned long)opaque;
3437 ssize_t len;
3438
3439 /* Drain the notify pipe */
3440 do {
3441 char buffer[512];
3442 len = read(fd, buffer, sizeof(buffer));
3443 } while ((len == -1 && errno == EINTR) || len > 0);
3444}
3445
3446static int qemu_event_init(void)
3447{
3448 int err;
3449 int fds[2];
3450
3451 err = pipe(fds);
3452 if (err == -1)
3453 return -errno;
3454
3455 err = fcntl_setfl(fds[0], O_NONBLOCK);
3456 if (err < 0)
3457 goto fail;
3458
3459 err = fcntl_setfl(fds[1], O_NONBLOCK);
3460 if (err < 0)
3461 goto fail;
3462
3463 qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
3464 (void *)(unsigned long)fds[0]);
3465
3466 io_thread_fd = fds[1];
a7e21219
JK
3467 return 0;
3468
50317c7f
AL
3469fail:
3470 close(fds[0]);
3471 close(fds[1]);
3472 return err;
3473}
3474#else
3475HANDLE qemu_event_handle;
3476
3477static void dummy_event_handler(void *opaque)
3478{
3479}
3480
3481static int qemu_event_init(void)
3482{
3483 qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
3484 if (!qemu_event_handle) {
3485 perror("Failed CreateEvent");
3486 return -1;
3487 }
3488 qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
3fcf7b6b
AL
3489 return 0;
3490}
3491
50317c7f
AL
3492static void qemu_event_increment(void)
3493{
3494 SetEvent(qemu_event_handle);
3495}
3496#endif
3497
d6dc3d42
AL
3498static int cpu_can_run(CPUState *env)
3499{
3500 if (env->stop)
3501 return 0;
3502 if (env->stopped)
3503 return 0;
3504 return 1;
3505}
3506
3507#ifndef CONFIG_IOTHREAD
50317c7f
AL
3508static int qemu_init_main_loop(void)
3509{
3510 return qemu_event_init();
3511}
3512
0bf46a40
AL
3513void qemu_init_vcpu(void *_env)
3514{
3515 CPUState *env = _env;
3516
3517 if (kvm_enabled())
3518 kvm_init_vcpu(env);
dc6b1c09
AP
3519 env->nr_cores = smp_cores;
3520 env->nr_threads = smp_threads;
0bf46a40
AL
3521 return;
3522}
3523
8edac960
AL
3524int qemu_cpu_self(void *env)
3525{
3526 return 1;
3527}
3528
d6dc3d42
AL
3529static void resume_all_vcpus(void)
3530{
3531}
3532
3533static void pause_all_vcpus(void)
3534{
3535}
3536
8edac960
AL
3537void qemu_cpu_kick(void *env)
3538{
3539 return;
3540}
3541
d6dc3d42
AL
3542void qemu_notify_event(void)
3543{
3544 CPUState *env = cpu_single_env;
3545
3546 if (env) {
3547 cpu_exit(env);
4a1418e0 3548 }
d6dc3d42
AL
3549}
3550
4870852c
AL
3551#define qemu_mutex_lock_iothread() do { } while (0)
3552#define qemu_mutex_unlock_iothread() do { } while (0)
3553
6e29f5da
AL
3554void vm_stop(int reason)
3555{
3556 do_vm_stop(reason);
3557}
3558
d6dc3d42
AL
3559#else /* CONFIG_IOTHREAD */
3560
3561#include "qemu-thread.h"
3562
3563QemuMutex qemu_global_mutex;
3564static QemuMutex qemu_fair_mutex;
3565
3566static QemuThread io_thread;
3567
3568static QemuThread *tcg_cpu_thread;
3569static QemuCond *tcg_halt_cond;
3570
3571static int qemu_system_ready;
3572/* cpu creation */
3573static QemuCond qemu_cpu_cond;
3574/* system init */
3575static QemuCond qemu_system_cond;
3576static QemuCond qemu_pause_cond;
3577
3578static void block_io_signals(void);
3579static void unblock_io_signals(void);
3580static int tcg_has_work(void);
3581
3582static int qemu_init_main_loop(void)
3583{
3584 int ret;
3585
3586 ret = qemu_event_init();
3587 if (ret)
3588 return ret;
3589
3590 qemu_cond_init(&qemu_pause_cond);
3591 qemu_mutex_init(&qemu_fair_mutex);
3592 qemu_mutex_init(&qemu_global_mutex);
3593 qemu_mutex_lock(&qemu_global_mutex);
3594
3595 unblock_io_signals();
3596 qemu_thread_self(&io_thread);
3597
3598 return 0;
3599}
3600
3601static void qemu_wait_io_event(CPUState *env)
3602{
3603 while (!tcg_has_work())
3604 qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
3605
3606 qemu_mutex_unlock(&qemu_global_mutex);
3607
3608 /*
3609 * Users of qemu_global_mutex can be starved, having no chance
3610 * to acquire it since this path will get to it first.
3611 * So use another lock to provide fairness.
3612 */
3613 qemu_mutex_lock(&qemu_fair_mutex);
3614 qemu_mutex_unlock(&qemu_fair_mutex);
3615
3616 qemu_mutex_lock(&qemu_global_mutex);
3617 if (env->stop) {
3618 env->stop = 0;
3619 env->stopped = 1;
3620 qemu_cond_signal(&qemu_pause_cond);
3621 }
3622}
3623
3624static int qemu_cpu_exec(CPUState *env);
3625
3626static void *kvm_cpu_thread_fn(void *arg)
3627{
3628 CPUState *env = arg;
3629
3630 block_io_signals();
3631 qemu_thread_self(env->thread);
321c1cb1
JCD
3632 if (kvm_enabled())
3633 kvm_init_vcpu(env);
d6dc3d42
AL
3634
3635 /* signal CPU creation */
3636 qemu_mutex_lock(&qemu_global_mutex);
3637 env->created = 1;
3638 qemu_cond_signal(&qemu_cpu_cond);
3639
3640 /* and wait for machine initialization */
3641 while (!qemu_system_ready)
3642 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
3643
3644 while (1) {
3645 if (cpu_can_run(env))
3646 qemu_cpu_exec(env);
1c3173b9 3647 qemu_wait_io_event(env);
d6dc3d42
AL
3648 }
3649
3650 return NULL;
3651}
3652
3653static void tcg_cpu_exec(void);
3654
3655static void *tcg_cpu_thread_fn(void *arg)
3656{
3657 CPUState *env = arg;
3658
3659 block_io_signals();
3660 qemu_thread_self(env->thread);
3661
3662 /* signal CPU creation */
3663 qemu_mutex_lock(&qemu_global_mutex);
3664 for (env = first_cpu; env != NULL; env = env->next_cpu)
3665 env->created = 1;
3666 qemu_cond_signal(&qemu_cpu_cond);
3667
3668 /* and wait for machine initialization */
3669 while (!qemu_system_ready)
3670 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
3671
3672 while (1) {
3673 tcg_cpu_exec();
3674 qemu_wait_io_event(cur_cpu);
3675 }
3676
3677 return NULL;
3678}
3679
3680void qemu_cpu_kick(void *_env)
3681{
3682 CPUState *env = _env;
3683 qemu_cond_broadcast(env->halt_cond);
3684 if (kvm_enabled())
3685 qemu_thread_signal(env->thread, SIGUSR1);
3686}
3687
3688int qemu_cpu_self(void *env)
3689{
3690 return (cpu_single_env != NULL);
3691}
3692
3693static void cpu_signal(int sig)
3694{
3695 if (cpu_single_env)
3696 cpu_exit(cpu_single_env);
3697}
3698
3699static void block_io_signals(void)
3700{
3701 sigset_t set;
3702 struct sigaction sigact;
3703
3704 sigemptyset(&set);
3705 sigaddset(&set, SIGUSR2);
3706 sigaddset(&set, SIGIO);
3707 sigaddset(&set, SIGALRM);
3708 pthread_sigmask(SIG_BLOCK, &set, NULL);
3709
3710 sigemptyset(&set);
3711 sigaddset(&set, SIGUSR1);
3712 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
3713
3714 memset(&sigact, 0, sizeof(sigact));
3715 sigact.sa_handler = cpu_signal;
3716 sigaction(SIGUSR1, &sigact, NULL);
3717}
3718
3719static void unblock_io_signals(void)
3720{
3721 sigset_t set;
3722
3723 sigemptyset(&set);
3724 sigaddset(&set, SIGUSR2);
3725 sigaddset(&set, SIGIO);
3726 sigaddset(&set, SIGALRM);
3727 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
3728
3729 sigemptyset(&set);
3730 sigaddset(&set, SIGUSR1);
3731 pthread_sigmask(SIG_BLOCK, &set, NULL);
3732}
3733
3734static void qemu_signal_lock(unsigned int msecs)
3735{
3736 qemu_mutex_lock(&qemu_fair_mutex);
3737
3738 while (qemu_mutex_trylock(&qemu_global_mutex)) {
3739 qemu_thread_signal(tcg_cpu_thread, SIGUSR1);
3740 if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
3741 break;
3742 }
3743 qemu_mutex_unlock(&qemu_fair_mutex);
3744}
3745
3746static void qemu_mutex_lock_iothread(void)
3747{
3748 if (kvm_enabled()) {
3749 qemu_mutex_lock(&qemu_fair_mutex);
3750 qemu_mutex_lock(&qemu_global_mutex);
3751 qemu_mutex_unlock(&qemu_fair_mutex);
3752 } else
3753 qemu_signal_lock(100);
3754}
3755
3756static void qemu_mutex_unlock_iothread(void)
3757{
3758 qemu_mutex_unlock(&qemu_global_mutex);
3759}
3760
3761static int all_vcpus_paused(void)
3762{
3763 CPUState *penv = first_cpu;
3764
3765 while (penv) {
3766 if (!penv->stopped)
3767 return 0;
3768 penv = (CPUState *)penv->next_cpu;
3769 }
3770
3771 return 1;
3772}
3773
3774static void pause_all_vcpus(void)
3775{
3776 CPUState *penv = first_cpu;
3777
3778 while (penv) {
3779 penv->stop = 1;
3780 qemu_thread_signal(penv->thread, SIGUSR1);
3781 qemu_cpu_kick(penv);
3782 penv = (CPUState *)penv->next_cpu;
3783 }
3784
3785 while (!all_vcpus_paused()) {
3786 qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
3787 penv = first_cpu;
3788 while (penv) {
3789 qemu_thread_signal(penv->thread, SIGUSR1);
3790 penv = (CPUState *)penv->next_cpu;
3791 }
3792 }
3793}
3794
3795static void resume_all_vcpus(void)
3796{
3797 CPUState *penv = first_cpu;
3798
3799 while (penv) {
3800 penv->stop = 0;
3801 penv->stopped = 0;
3802 qemu_thread_signal(penv->thread, SIGUSR1);
3803 qemu_cpu_kick(penv);
3804 penv = (CPUState *)penv->next_cpu;
3805 }
3806}
3807
3808static void tcg_init_vcpu(void *_env)
3809{
3810 CPUState *env = _env;
3811 /* share a single thread for all cpus with TCG */
3812 if (!tcg_cpu_thread) {
3813 env->thread = qemu_mallocz(sizeof(QemuThread));
3814 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
3815 qemu_cond_init(env->halt_cond);
3816 qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
3817 while (env->created == 0)
3818 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
3819 tcg_cpu_thread = env->thread;
3820 tcg_halt_cond = env->halt_cond;
3821 } else {
3822 env->thread = tcg_cpu_thread;
3823 env->halt_cond = tcg_halt_cond;
3824 }
3825}
3826
3827static void kvm_start_vcpu(CPUState *env)
3828{
d6dc3d42
AL
3829 env->thread = qemu_mallocz(sizeof(QemuThread));
3830 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
3831 qemu_cond_init(env->halt_cond);
3832 qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
3833 while (env->created == 0)
3834 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
3835}
3836
3837void qemu_init_vcpu(void *_env)
3838{
3839 CPUState *env = _env;
3840
3841 if (kvm_enabled())
3842 kvm_start_vcpu(env);
3843 else
3844 tcg_init_vcpu(env);
dc6b1c09
AP
3845 env->nr_cores = smp_cores;
3846 env->nr_threads = smp_threads;
d6dc3d42
AL
3847}
3848
3849void qemu_notify_event(void)
3850{
3851 qemu_event_increment();
3852}
3853
3854void vm_stop(int reason)
3855{
3856 QemuThread me;
3857 qemu_thread_self(&me);
3858
3859 if (!qemu_thread_equal(&me, &io_thread)) {
3860 qemu_system_vmstop_request(reason);
3861 /*
3862 * FIXME: should not return to device code in case
3863 * vm_stop() has been requested.
3864 */
3865 if (cpu_single_env) {
3866 cpu_exit(cpu_single_env);
3867 cpu_single_env->stop = 1;
3868 }
3869 return;
3870 }
3871 do_vm_stop(reason);
3872}
3873
3874#endif
3875
3876
877cf882 3877#ifdef _WIN32
69d6451c 3878static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
3879{
3880 int ret, ret2, i;
f331110f
FB
3881 PollingEntry *pe;
3882
c4b1fcc0 3883
f331110f
FB
3884 /* XXX: need to suppress polling by better using win32 events */
3885 ret = 0;
3886 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
3887 ret |= pe->func(pe->opaque);
3888 }
e6b1e558 3889 if (ret == 0) {
a18e524a
FB
3890 int err;
3891 WaitObjects *w = &wait_objects;
3b46e624 3892
56f3a5d0 3893 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB
3894 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
3895 if (w->func[ret - WAIT_OBJECT_0])
3896 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 3897
5fafdf24 3898 /* Check for additional signaled events */
e6b1e558 3899 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 3900
e6b1e558
TS
3901 /* Check if event is signaled */
3902 ret2 = WaitForSingleObject(w->events[i], 0);
3903 if(ret2 == WAIT_OBJECT_0) {
3904 if (w->func[i])
3905 w->func[i](w->opaque[i]);
3906 } else if (ret2 == WAIT_TIMEOUT) {
3907 } else {
3908 err = GetLastError();
3909 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS
3910 }
3911 }
a18e524a
FB
3912 } else if (ret == WAIT_TIMEOUT) {
3913 } else {
3914 err = GetLastError();
e6b1e558 3915 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 3916 }
f331110f 3917 }
56f3a5d0
AL
3918
3919 *timeout = 0;
3920}
3921#else
69d6451c 3922static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
3923{
3924}
fd1dff4b 3925#endif
56f3a5d0
AL
3926
3927void main_loop_wait(int timeout)
3928{
3929 IOHandlerRecord *ioh;
3930 fd_set rfds, wfds, xfds;
3931 int ret, nfds;
3932 struct timeval tv;
3933
3934 qemu_bh_update_timeout(&timeout);
3935
3936 host_main_loop_wait(&timeout);
3937
fd1dff4b
FB
3938 /* poll any events */
3939 /* XXX: separate device handlers from system ones */
6abfbd79 3940 nfds = -1;
fd1dff4b
FB
3941 FD_ZERO(&rfds);
3942 FD_ZERO(&wfds);
e035649e 3943 FD_ZERO(&xfds);
fd1dff4b 3944 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
cafffd40
TS
3945 if (ioh->deleted)
3946 continue;
fd1dff4b
FB
3947 if (ioh->fd_read &&
3948 (!ioh->fd_read_poll ||
3949 ioh->fd_read_poll(ioh->opaque) != 0)) {
3950 FD_SET(ioh->fd, &rfds);
3951 if (ioh->fd > nfds)
3952 nfds = ioh->fd;
3953 }
3954 if (ioh->fd_write) {
3955 FD_SET(ioh->fd, &wfds);
3956 if (ioh->fd > nfds)
3957 nfds = ioh->fd;
3958 }
3959 }
3b46e624 3960
56f3a5d0
AL
3961 tv.tv_sec = timeout / 1000;
3962 tv.tv_usec = (timeout % 1000) * 1000;
3963
d918f23e
JK
3964 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
3965
4870852c 3966 qemu_mutex_unlock_iothread();
e035649e 3967 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 3968 qemu_mutex_lock_iothread();
fd1dff4b 3969 if (ret > 0) {
cafffd40
TS
3970 IOHandlerRecord **pioh;
3971
3972 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6ab43fdc 3973 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
fd1dff4b 3974 ioh->fd_read(ioh->opaque);
7c9d8e07 3975 }
6ab43fdc 3976 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
fd1dff4b 3977 ioh->fd_write(ioh->opaque);
c4b1fcc0 3978 }
b4608c04 3979 }
cafffd40
TS
3980
3981 /* remove deleted IO handlers */
3982 pioh = &first_io_handler;
3983 while (*pioh) {
3984 ioh = *pioh;
3985 if (ioh->deleted) {
3986 *pioh = ioh->next;
3987 qemu_free(ioh);
5fafdf24 3988 } else
cafffd40
TS
3989 pioh = &ioh->next;
3990 }
fd1dff4b 3991 }
d918f23e
JK
3992
3993 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 3994
50317c7f
AL
3995 /* rearm timer, if not periodic */
3996 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
3997 alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
3998 qemu_rearm_alarm_timer(alarm_timer);
3999 }
4000
357c692c 4001 /* vm time timers */
d6dc3d42
AL
4002 if (vm_running) {
4003 if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
4004 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
4005 qemu_get_clock(vm_clock));
4006 }
357c692c
AL
4007
4008 /* real time timers */
4009 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
4010 qemu_get_clock(rt_clock));
4011
423f0742
PB
4012 /* Check bottom-halves last in case any of the earlier events triggered
4013 them. */
4014 qemu_bh_poll();
3b46e624 4015
5905b2e5
FB
4016}
4017
43b96858 4018static int qemu_cpu_exec(CPUState *env)
5905b2e5 4019{
43b96858 4020 int ret;
89bfc105
FB
4021#ifdef CONFIG_PROFILER
4022 int64_t ti;
4023#endif
5905b2e5 4024
89bfc105 4025#ifdef CONFIG_PROFILER
43b96858 4026 ti = profile_getclock();
89bfc105 4027#endif
43b96858
AL
4028 if (use_icount) {
4029 int64_t count;
4030 int decr;
4031 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
4032 env->icount_decr.u16.low = 0;
4033 env->icount_extra = 0;
4034 count = qemu_next_deadline();
4035 count = (count + (1 << icount_time_shift) - 1)
4036 >> icount_time_shift;
4037 qemu_icount += count;
4038 decr = (count > 0xffff) ? 0xffff : count;
4039 count -= decr;
4040 env->icount_decr.u16.low = decr;
4041 env->icount_extra = count;
4042 }
4043 ret = cpu_exec(env);
89bfc105 4044#ifdef CONFIG_PROFILER
43b96858 4045 qemu_time += profile_getclock() - ti;
89bfc105 4046#endif
43b96858
AL
4047 if (use_icount) {
4048 /* Fold pending instructions back into the
4049 instruction counter, and clear the interrupt flag. */
4050 qemu_icount -= (env->icount_decr.u16.low
4051 + env->icount_extra);
4052 env->icount_decr.u32 = 0;
4053 env->icount_extra = 0;
4054 }
4055 return ret;
4056}
4057
e6e35b1e
AL
4058static void tcg_cpu_exec(void)
4059{
d6dc3d42 4060 int ret = 0;
e6e35b1e
AL
4061
4062 if (next_cpu == NULL)
4063 next_cpu = first_cpu;
4064 for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
4065 CPUState *env = cur_cpu = next_cpu;
4066
4067 if (!vm_running)
4068 break;
4069 if (timer_alarm_pending) {
4070 timer_alarm_pending = 0;
4071 break;
4072 }
d6dc3d42
AL
4073 if (cpu_can_run(env))
4074 ret = qemu_cpu_exec(env);
e6e35b1e
AL
4075 if (ret == EXCP_DEBUG) {
4076 gdb_set_stop_cpu(env);
4077 debug_requested = 1;
4078 break;
4079 }
4080 }
4081}
4082
43b96858
AL
4083static int cpu_has_work(CPUState *env)
4084{
d6dc3d42
AL
4085 if (env->stop)
4086 return 1;
4087 if (env->stopped)
4088 return 0;
43b96858
AL
4089 if (!env->halted)
4090 return 1;
4091 if (qemu_cpu_has_work(env))
4092 return 1;
4093 return 0;
4094}
4095
4096static int tcg_has_work(void)
4097{
4098 CPUState *env;
4099
4100 for (env = first_cpu; env != NULL; env = env->next_cpu)
4101 if (cpu_has_work(env))
4102 return 1;
4103 return 0;
4104}
4105
4106static int qemu_calculate_timeout(void)
4107{
b319820d 4108#ifndef CONFIG_IOTHREAD
43b96858
AL
4109 int timeout;
4110
4111 if (!vm_running)
4112 timeout = 5000;
4113 else if (tcg_has_work())
4114 timeout = 0;
4115 else if (!use_icount)
4116 timeout = 5000;
4117 else {
4118 /* XXX: use timeout computed from timers */
4119 int64_t add;
4120 int64_t delta;
4121 /* Advance virtual time to the next event. */
4122 if (use_icount == 1) {
4123 /* When not using an adaptive execution frequency
4124 we tend to get badly out of sync with real time,
4125 so just delay for a reasonable amount of time. */
4126 delta = 0;
4127 } else {
4128 delta = cpu_get_icount() - cpu_get_clock();
4129 }
4130 if (delta > 0) {
4131 /* If virtual time is ahead of real time then just
4132 wait for IO. */
4133 timeout = (delta / 1000000) + 1;
4134 } else {
4135 /* Wait for either IO to occur or the next
4136 timer event. */
4137 add = qemu_next_deadline();
4138 /* We advance the timer before checking for IO.
4139 Limit the amount we advance so that early IO
4140 activity won't get the guest too far ahead. */
4141 if (add > 10000000)
4142 add = 10000000;
4143 delta += add;
4144 add = (add + (1 << icount_time_shift) - 1)
4145 >> icount_time_shift;
4146 qemu_icount += add;
4147 timeout = delta / 1000000;
4148 if (timeout < 0)
4149 timeout = 0;
4150 }
4151 }
4152
4153 return timeout;
b319820d
LC
4154#else /* CONFIG_IOTHREAD */
4155 return 1000;
4156#endif
43b96858
AL
4157}
4158
4159static int vm_can_run(void)
4160{
4161 if (powerdown_requested)
4162 return 0;
4163 if (reset_requested)
4164 return 0;
4165 if (shutdown_requested)
4166 return 0;
e568902a
AL
4167 if (debug_requested)
4168 return 0;
43b96858
AL
4169 return 1;
4170}
4171
d9c32310
BS
4172qemu_irq qemu_system_powerdown;
4173
43b96858
AL
4174static void main_loop(void)
4175{
6e29f5da 4176 int r;
e6e35b1e 4177
d6dc3d42
AL
4178#ifdef CONFIG_IOTHREAD
4179 qemu_system_ready = 1;
4180 qemu_cond_broadcast(&qemu_system_cond);
4181#endif
4182
6e29f5da 4183 for (;;) {
43b96858 4184 do {
e6e35b1e
AL
4185#ifdef CONFIG_PROFILER
4186 int64_t ti;
4187#endif
d6dc3d42 4188#ifndef CONFIG_IOTHREAD
e6e35b1e 4189 tcg_cpu_exec();
d6dc3d42 4190#endif
89bfc105 4191#ifdef CONFIG_PROFILER
43b96858 4192 ti = profile_getclock();
89bfc105 4193#endif
43b96858 4194 main_loop_wait(qemu_calculate_timeout());
89bfc105 4195#ifdef CONFIG_PROFILER
43b96858 4196 dev_time += profile_getclock() - ti;
89bfc105 4197#endif
e568902a 4198 } while (vm_can_run());
43b96858 4199
e568902a
AL
4200 if (qemu_debug_requested())
4201 vm_stop(EXCP_DEBUG);
43b96858
AL
4202 if (qemu_shutdown_requested()) {
4203 if (no_shutdown) {
4204 vm_stop(0);
4205 no_shutdown = 0;
4206 } else
4207 break;
4208 }
d6dc3d42
AL
4209 if (qemu_reset_requested()) {
4210 pause_all_vcpus();
43b96858 4211 qemu_system_reset();
d6dc3d42
AL
4212 resume_all_vcpus();
4213 }
d9c32310
BS
4214 if (qemu_powerdown_requested()) {
4215 qemu_irq_raise(qemu_system_powerdown);
4216 }
6e29f5da
AL
4217 if ((r = qemu_vmstop_requested()))
4218 vm_stop(r);
b4608c04 4219 }
d6dc3d42 4220 pause_all_vcpus();
b4608c04
FB
4221}
4222
9bd7e6d9
PB
4223static void version(void)
4224{
4a19f1ec 4225 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB
4226}
4227
15f82208 4228static void help(int exitcode)
0824d6fc 4229{
9bd7e6d9
PB
4230 version();
4231 printf("usage: %s [options] [disk_image]\n"
0824d6fc 4232 "\n"
a20dd508 4233 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
fc01f7e7 4234 "\n"
5824d651
BS
4235#define DEF(option, opt_arg, opt_enum, opt_help) \
4236 opt_help
4237#define DEFHEADING(text) stringify(text) "\n"
4238#include "qemu-options.h"
4239#undef DEF
4240#undef DEFHEADING
4241#undef GEN_DOCS
0824d6fc 4242 "\n"
82c643ff 4243 "During emulation, the following keys are useful:\n"
032a8c9e
FB
4244 "ctrl-alt-f toggle full screen\n"
4245 "ctrl-alt-n switch to virtual console 'n'\n"
4246 "ctrl-alt toggle mouse and keyboard grab\n"
82c643ff
FB
4247 "\n"
4248 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4249 ,
0db63474 4250 "qemu",
a00bad7e 4251 DEFAULT_RAM_SIZE,
7c9d8e07 4252#ifndef _WIN32
a00bad7e 4253 DEFAULT_NETWORK_SCRIPT,
b46a8906 4254 DEFAULT_NETWORK_DOWN_SCRIPT,
7c9d8e07 4255#endif
6e44ba7f 4256 DEFAULT_GDBSTUB_PORT,
bce61846 4257 "/tmp/qemu.log");
15f82208 4258 exit(exitcode);
0824d6fc
FB
4259}
4260
cd6f1169
FB
4261#define HAS_ARG 0x0001
4262
4263enum {
5824d651
BS
4264#define DEF(option, opt_arg, opt_enum, opt_help) \
4265 opt_enum,
4266#define DEFHEADING(text)
4267#include "qemu-options.h"
4268#undef DEF
4269#undef DEFHEADING
4270#undef GEN_DOCS
cd6f1169
FB
4271};
4272
4273typedef struct QEMUOption {
4274 const char *name;
4275 int flags;
4276 int index;
4277} QEMUOption;
4278
dbed7e40 4279static const QEMUOption qemu_options[] = {
cd6f1169 4280 { "h", 0, QEMU_OPTION_h },
5824d651
BS
4281#define DEF(option, opt_arg, opt_enum, opt_help) \
4282 { option, opt_arg, opt_enum },
4283#define DEFHEADING(text)
4284#include "qemu-options.h"
4285#undef DEF
4286#undef DEFHEADING
4287#undef GEN_DOCS
cd6f1169 4288 { NULL },
fc01f7e7
FB
4289};
4290
1d14ffa9 4291#ifdef HAS_AUDIO
6a36d84e 4292struct soundhw soundhw[] = {
b00052e4 4293#ifdef HAS_AUDIO_CHOICE
4ce7ff6e 4294#if defined(TARGET_I386) || defined(TARGET_MIPS)
fd06c375
FB
4295 {
4296 "pcspk",
4297 "PC speaker",
4298 0,
4299 1,
4300 { .init_isa = pcspk_audio_init }
4301 },
4302#endif
4c9b53e3 4303
4304#ifdef CONFIG_SB16
6a36d84e
FB
4305 {
4306 "sb16",
4307 "Creative Sound Blaster 16",
4308 0,
4309 1,
4310 { .init_isa = SB16_init }
4311 },
4c9b53e3 4312#endif
6a36d84e 4313
cc53d26d 4314#ifdef CONFIG_CS4231A
4315 {
4316 "cs4231a",
4317 "CS4231A",
4318 0,
4319 1,
4320 { .init_isa = cs4231a_init }
4321 },
4322#endif
4323
1d14ffa9 4324#ifdef CONFIG_ADLIB
6a36d84e
FB
4325 {
4326 "adlib",
1d14ffa9 4327#ifdef HAS_YMF262
6a36d84e 4328 "Yamaha YMF262 (OPL3)",
1d14ffa9 4329#else
6a36d84e 4330 "Yamaha YM3812 (OPL2)",
1d14ffa9 4331#endif
6a36d84e
FB
4332 0,
4333 1,
4334 { .init_isa = Adlib_init }
4335 },
1d14ffa9 4336#endif
6a36d84e 4337
1d14ffa9 4338#ifdef CONFIG_GUS
6a36d84e
FB
4339 {
4340 "gus",
4341 "Gravis Ultrasound GF1",
4342 0,
4343 1,
4344 { .init_isa = GUS_init }
4345 },
1d14ffa9 4346#endif
6a36d84e 4347
4c9b53e3 4348#ifdef CONFIG_AC97
e5c9a13e
AZ
4349 {
4350 "ac97",
4351 "Intel 82801AA AC97 Audio",
4352 0,
4353 0,
4354 { .init_pci = ac97_init }
4355 },
4c9b53e3 4356#endif
e5c9a13e 4357
4c9b53e3 4358#ifdef CONFIG_ES1370
6a36d84e
FB
4359 {
4360 "es1370",
4361 "ENSONIQ AudioPCI ES1370",
4362 0,
4363 0,
4364 { .init_pci = es1370_init }
4365 },
b00052e4 4366#endif
6a36d84e 4367
4c9b53e3 4368#endif /* HAS_AUDIO_CHOICE */
4369
6a36d84e
FB
4370 { NULL, NULL, 0, 0, { NULL } }
4371};
4372
4373static void select_soundhw (const char *optarg)
4374{
4375 struct soundhw *c;
4376
4377 if (*optarg == '?') {
4378 show_valid_cards:
4379
4380 printf ("Valid sound card names (comma separated):\n");
4381 for (c = soundhw; c->name; ++c) {
4382 printf ("%-11s %s\n", c->name, c->descr);
4383 }
4384 printf ("\n-soundhw all will enable all of the above\n");
1d14ffa9
FB
4385 exit (*optarg != '?');
4386 }
4387 else {
6a36d84e 4388 size_t l;
1d14ffa9
FB
4389 const char *p;
4390 char *e;
4391 int bad_card = 0;
4392
6a36d84e
FB
4393 if (!strcmp (optarg, "all")) {
4394 for (c = soundhw; c->name; ++c) {
4395 c->enabled = 1;
4396 }
4397 return;
4398 }
1d14ffa9 4399
6a36d84e 4400 p = optarg;
1d14ffa9
FB
4401 while (*p) {
4402 e = strchr (p, ',');
4403 l = !e ? strlen (p) : (size_t) (e - p);
6a36d84e
FB
4404
4405 for (c = soundhw; c->name; ++c) {
b3d6fb4a 4406 if (!strncmp (c->name, p, l) && !c->name[l]) {
6a36d84e 4407 c->enabled = 1;
1d14ffa9
FB
4408 break;
4409 }
4410 }
6a36d84e
FB
4411
4412 if (!c->name) {
1d14ffa9
FB
4413 if (l > 80) {
4414 fprintf (stderr,
4415 "Unknown sound card name (too big to show)\n");
4416 }
4417 else {
4418 fprintf (stderr, "Unknown sound card name `%.*s'\n",
4419 (int) l, p);
4420 }
4421 bad_card = 1;
4422 }
4423 p += l + (e != NULL);
4424 }
4425
4426 if (bad_card)
4427 goto show_valid_cards;
4428 }
4429}
4430#endif
4431
3893c124 4432static void select_vgahw (const char *p)
4433{
4434 const char *opts;
4435
86176759 4436 vga_interface_type = VGA_NONE;
3893c124 4437 if (strstart(p, "std", &opts)) {
86176759 4438 vga_interface_type = VGA_STD;
3893c124 4439 } else if (strstart(p, "cirrus", &opts)) {
86176759 4440 vga_interface_type = VGA_CIRRUS;
3893c124 4441 } else if (strstart(p, "vmware", &opts)) {
86176759 4442 vga_interface_type = VGA_VMWARE;
94909d9f 4443 } else if (strstart(p, "xenfb", &opts)) {
86176759 4444 vga_interface_type = VGA_XENFB;
28b85ed8 4445 } else if (!strstart(p, "none", &opts)) {
3893c124 4446 invalid_vga:
4447 fprintf(stderr, "Unknown vga type: %s\n", p);
4448 exit(1);
4449 }
cb5a7aa8 4450 while (*opts) {
4451 const char *nextopt;
4452
4453 if (strstart(opts, ",retrace=", &nextopt)) {
4454 opts = nextopt;
4455 if (strstart(opts, "dumb", &nextopt))
4456 vga_retrace_method = VGA_RETRACE_DUMB;
4457 else if (strstart(opts, "precise", &nextopt))
4458 vga_retrace_method = VGA_RETRACE_PRECISE;
4459 else goto invalid_vga;
4460 } else goto invalid_vga;
4461 opts = nextopt;
4462 }
3893c124 4463}
4464
7d4c3d53
MA
4465#ifdef TARGET_I386
4466static int balloon_parse(const char *arg)
4467{
382f0743 4468 QemuOpts *opts;
7d4c3d53 4469
382f0743
GH
4470 if (strcmp(arg, "none") == 0) {
4471 return 0;
4472 }
4473
4474 if (!strncmp(arg, "virtio", 6)) {
4475 if (arg[6] == ',') {
4476 /* have params -> parse them */
4477 opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL);
4478 if (!opts)
4479 return -1;
4480 } else {
4481 /* create empty opts */
4482 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 4483 }
382f0743
GH
4484 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
4485 return 0;
7d4c3d53 4486 }
382f0743
GH
4487
4488 return -1;
7d4c3d53
MA
4489}
4490#endif
4491
3587d7e6
FB
4492#ifdef _WIN32
4493static BOOL WINAPI qemu_ctrl_handler(DWORD type)
4494{
4495 exit(STATUS_CONTROL_C_EXIT);
4496 return TRUE;
4497}
4498#endif
4499
c4be29ff 4500int qemu_uuid_parse(const char *str, uint8_t *uuid)
8fcb1b90
BS
4501{
4502 int ret;
4503
4504 if(strlen(str) != 36)
4505 return -1;
4506
4507 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
4508 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
4509 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
4510
4511 if(ret != 16)
4512 return -1;
4513
b6f6e3d3
AL
4514#ifdef TARGET_I386
4515 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
4516#endif
4517
8fcb1b90
BS
4518 return 0;
4519}
4520
7c9d8e07 4521#define MAX_NET_CLIENTS 32
c20709aa 4522
5b08fc10
AL
4523#ifndef _WIN32
4524
4525static void termsig_handler(int signal)
4526{
4527 qemu_system_shutdown_request();
4528}
4529
7c3370d4
JK
4530static void sigchld_handler(int signal)
4531{
4532 waitpid(-1, NULL, WNOHANG);
4533}
4534
4535static void sighandler_setup(void)
5b08fc10
AL
4536{
4537 struct sigaction act;
4538
4539 memset(&act, 0, sizeof(act));
4540 act.sa_handler = termsig_handler;
4541 sigaction(SIGINT, &act, NULL);
4542 sigaction(SIGHUP, &act, NULL);
4543 sigaction(SIGTERM, &act, NULL);
7c3370d4
JK
4544
4545 act.sa_handler = sigchld_handler;
4546 act.sa_flags = SA_NOCLDSTOP;
4547 sigaction(SIGCHLD, &act, NULL);
5b08fc10
AL
4548}
4549
4550#endif
4551
5cea8590
PB
4552#ifdef _WIN32
4553/* Look for support files in the same directory as the executable. */
4554static char *find_datadir(const char *argv0)
4555{
4556 char *p;
4557 char buf[MAX_PATH];
4558 DWORD len;
4559
4560 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
4561 if (len == 0) {
c5947808 4562 return NULL;
5cea8590
PB
4563 }
4564
4565 buf[len] = 0;
4566 p = buf + len - 1;
4567 while (p != buf && *p != '\\')
4568 p--;
4569 *p = 0;
4570 if (access(buf, R_OK) == 0) {
4571 return qemu_strdup(buf);
4572 }
4573 return NULL;
4574}
4575#else /* !_WIN32 */
4576
4577/* Find a likely location for support files using the location of the binary.
4578 For installed binaries this will be "$bindir/../share/qemu". When
4579 running from the build tree this will be "$bindir/../pc-bios". */
4580#define SHARE_SUFFIX "/share/qemu"
4581#define BUILD_SUFFIX "/pc-bios"
4582static char *find_datadir(const char *argv0)
4583{
4584 char *dir;
4585 char *p = NULL;
4586 char *res;
5cea8590 4587 char buf[PATH_MAX];
3a41759d 4588 size_t max_len;
5cea8590
PB
4589
4590#if defined(__linux__)
4591 {
4592 int len;
4593 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
4594 if (len > 0) {
4595 buf[len] = 0;
4596 p = buf;
4597 }
4598 }
4599#elif defined(__FreeBSD__)
4600 {
4601 int len;
4602 len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
4603 if (len > 0) {
4604 buf[len] = 0;
4605 p = buf;
4606 }
4607 }
4608#endif
4609 /* If we don't have any way of figuring out the actual executable
4610 location then try argv[0]. */
4611 if (!p) {
4d224196 4612 p = realpath(argv0, buf);
5cea8590
PB
4613 if (!p) {
4614 return NULL;
4615 }
4616 }
4617 dir = dirname(p);
4618 dir = dirname(dir);
4619
3a41759d
BS
4620 max_len = strlen(dir) +
4621 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
4622 res = qemu_mallocz(max_len);
4623 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
5cea8590 4624 if (access(res, R_OK)) {
3a41759d 4625 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
5cea8590
PB
4626 if (access(res, R_OK)) {
4627 qemu_free(res);
4628 res = NULL;
4629 }
4630 }
4d224196 4631
5cea8590
PB
4632 return res;
4633}
4634#undef SHARE_SUFFIX
4635#undef BUILD_SUFFIX
4636#endif
4637
4638char *qemu_find_file(int type, const char *name)
4639{
4640 int len;
4641 const char *subdir;
4642 char *buf;
4643
4644 /* If name contains path separators then try it as a straight path. */
4645 if ((strchr(name, '/') || strchr(name, '\\'))
4646 && access(name, R_OK) == 0) {
73ffc805 4647 return qemu_strdup(name);
5cea8590
PB
4648 }
4649 switch (type) {
4650 case QEMU_FILE_TYPE_BIOS:
4651 subdir = "";
4652 break;
4653 case QEMU_FILE_TYPE_KEYMAP:
4654 subdir = "keymaps/";
4655 break;
4656 default:
4657 abort();
4658 }
4659 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
4660 buf = qemu_mallocz(len);
3a41759d 4661 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB
4662 if (access(buf, R_OK)) {
4663 qemu_free(buf);
4664 return NULL;
4665 }
4666 return buf;
4667}
4668
f31d07d1
GH
4669static int device_init_func(QemuOpts *opts, void *opaque)
4670{
4671 DeviceState *dev;
4672
4673 dev = qdev_device_add(opts);
4674 if (!dev)
4675 return -1;
4676 return 0;
4677}
4678
bd3c948d
GH
4679struct device_config {
4680 enum {
bd3c948d
GH
4681 DEV_USB, /* -usbdevice */
4682 DEV_BT, /* -bt */
4683 } type;
4684 const char *cmdline;
4685 TAILQ_ENTRY(device_config) next;
4686};
4687TAILQ_HEAD(, device_config) device_configs = TAILQ_HEAD_INITIALIZER(device_configs);
4688
4689static void add_device_config(int type, const char *cmdline)
4690{
4691 struct device_config *conf;
4692
4693 conf = qemu_mallocz(sizeof(*conf));
4694 conf->type = type;
4695 conf->cmdline = cmdline;
4696 TAILQ_INSERT_TAIL(&device_configs, conf, next);
4697}
4698
4699static int foreach_device_config(int type, int (*func)(const char *cmdline))
4700{
4701 struct device_config *conf;
4702 int rc;
4703
4704 TAILQ_FOREACH(conf, &device_configs, next) {
4705 if (conf->type != type)
4706 continue;
4707 rc = func(conf->cmdline);
4708 if (0 != rc)
4709 return rc;
4710 }
4711 return 0;
4712}
4713
902b3d5c 4714int main(int argc, char **argv, char **envp)
0824d6fc 4715{
59030a8c 4716 const char *gdbstub_dev = NULL;
28c5af54 4717 uint32_t boot_devices_bitmap = 0;
e4bcb14c 4718 int i;
28c5af54 4719 int snapshot, linux_boot, net_boot;
7f7f9873 4720 const char *initrd_filename;
a20dd508 4721 const char *kernel_filename, *kernel_cmdline;
ef3adf68 4722 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 4723 DisplayState *ds;
7d957bd8 4724 DisplayChangeListener *dcl;
46d4767d 4725 int cyls, heads, secs, translation;
fd5f393a 4726 const char *net_clients[MAX_NET_CLIENTS];
7c9d8e07 4727 int nb_net_clients;
f31d07d1 4728 QemuOpts *hda_opts = NULL, *opts;
cd6f1169
FB
4729 int optind;
4730 const char *r, *optarg;
ddd9bbd9
JK
4731 CharDriverState *monitor_hds[MAX_MONITOR_DEVICES];
4732 const char *monitor_devices[MAX_MONITOR_DEVICES];
4733 int monitor_device_index;
fd5f393a 4734 const char *serial_devices[MAX_SERIAL_PORTS];
8d11df9e 4735 int serial_device_index;
fd5f393a 4736 const char *parallel_devices[MAX_PARALLEL_PORTS];
6508fe59 4737 int parallel_device_index;
9ede2fde
AL
4738 const char *virtio_consoles[MAX_VIRTIO_CONSOLES];
4739 int virtio_console_index;
d63d307f 4740 const char *loadvm = NULL;
cc1daa40 4741 QEMUMachine *machine;
94fc95cd 4742 const char *cpu_model;
b9e82a59 4743#ifndef _WIN32
71e3ceb8 4744 int fds[2];
b9e82a59 4745#endif
26a5f13b 4746 int tb_size;
93815bc2 4747 const char *pid_file = NULL;
5bb7910a 4748 const char *incoming = NULL;
b9e82a59 4749#ifndef _WIN32
54042bcf
AL
4750 int fd = 0;
4751 struct passwd *pwd = NULL;
0858532e
AL
4752 const char *chroot_dir = NULL;
4753 const char *run_as = NULL;
b9e82a59 4754#endif
268a362c 4755 CPUState *env;
993fbfdb 4756 int show_vnc_port = 0;
0bd48850 4757
ac7531ec 4758 qemu_errors_to_file(stderr);
902b3d5c 4759 qemu_cache_utils_init(envp);
4760
0bd48850 4761 LIST_INIT (&vm_change_state_head);
be995c27
FB
4762#ifndef _WIN32
4763 {
4764 struct sigaction act;
4765 sigfillset(&act.sa_mask);
4766 act.sa_flags = 0;
4767 act.sa_handler = SIG_IGN;
4768 sigaction(SIGPIPE, &act, NULL);
4769 }
3587d7e6
FB
4770#else
4771 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB
4772 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4773 QEMU to run on a single CPU */
4774 {
4775 HANDLE h;
4776 DWORD mask, smask;
4777 int i;
4778 h = GetCurrentProcess();
4779 if (GetProcessAffinityMask(h, &mask, &smask)) {
4780 for(i = 0; i < 32; i++) {
4781 if (mask & (1 << i))
4782 break;
4783 }
4784 if (i != 32) {
4785 mask = 1 << i;
4786 SetProcessAffinityMask(h, mask);
4787 }
4788 }
4789 }
67b915a5 4790#endif
be995c27 4791
f80f9ec9 4792 module_call_init(MODULE_INIT_MACHINE);
0c257437 4793 machine = find_default_machine();
94fc95cd 4794 cpu_model = NULL;
fc01f7e7 4795 initrd_filename = NULL;
4fc5d071 4796 ram_size = 0;
33e3963e 4797 snapshot = 0;
a20dd508
FB
4798 kernel_filename = NULL;
4799 kernel_cmdline = "";
c4b1fcc0 4800 cyls = heads = secs = 0;
46d4767d 4801 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 4802
c75a823c 4803 serial_devices[0] = "vc:80Cx24C";
8d11df9e 4804 for(i = 1; i < MAX_SERIAL_PORTS; i++)
fd5f393a 4805 serial_devices[i] = NULL;
8d11df9e 4806 serial_device_index = 0;
3b46e624 4807
8290edda 4808 parallel_devices[0] = "vc:80Cx24C";
6508fe59 4809 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
fd5f393a 4810 parallel_devices[i] = NULL;
6508fe59 4811 parallel_device_index = 0;
3b46e624 4812
1b8fc811 4813 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++)
9ede2fde
AL
4814 virtio_consoles[i] = NULL;
4815 virtio_console_index = 0;
4816
ddd9bbd9
JK
4817 monitor_devices[0] = "vc:80Cx24C";
4818 for (i = 1; i < MAX_MONITOR_DEVICES; i++) {
4819 monitor_devices[i] = NULL;
4820 }
4821 monitor_device_index = 0;
4822
268a362c
AL
4823 for (i = 0; i < MAX_NODES; i++) {
4824 node_mem[i] = 0;
4825 node_cpumask[i] = 0;
4826 }
4827
7c9d8e07 4828 nb_net_clients = 0;
268a362c 4829 nb_numa_nodes = 0;
7c9d8e07 4830 nb_nics = 0;
3b46e624 4831
26a5f13b 4832 tb_size = 0;
41bd639b
BS
4833 autostart= 1;
4834
cd6f1169 4835 optind = 1;
0824d6fc 4836 for(;;) {
cd6f1169 4837 if (optind >= argc)
0824d6fc 4838 break;
cd6f1169
FB
4839 r = argv[optind];
4840 if (r[0] != '-') {
9dfd7c7a 4841 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB
4842 } else {
4843 const QEMUOption *popt;
4844
4845 optind++;
dff5efc8
PB
4846 /* Treat --foo the same as -foo. */
4847 if (r[1] == '-')
4848 r++;
cd6f1169
FB
4849 popt = qemu_options;
4850 for(;;) {
4851 if (!popt->name) {
5fafdf24 4852 fprintf(stderr, "%s: invalid option -- '%s'\n",
cd6f1169
FB
4853 argv[0], r);
4854 exit(1);
4855 }
4856 if (!strcmp(popt->name, r + 1))
4857 break;
4858 popt++;
4859 }
4860 if (popt->flags & HAS_ARG) {
4861 if (optind >= argc) {
4862 fprintf(stderr, "%s: option '%s' requires an argument\n",
4863 argv[0], r);
4864 exit(1);
4865 }
4866 optarg = argv[optind++];
4867 } else {
4868 optarg = NULL;
4869 }
4870
4871 switch(popt->index) {
cc1daa40
FB
4872 case QEMU_OPTION_M:
4873 machine = find_machine(optarg);
4874 if (!machine) {
4875 QEMUMachine *m;
4876 printf("Supported machines are:\n");
4877 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM
4878 if (m->alias)
4879 printf("%-10s %s (alias of %s)\n",
4880 m->alias, m->desc, m->name);
cc1daa40 4881 printf("%-10s %s%s\n",
5fafdf24 4882 m->name, m->desc,
0c257437 4883 m->is_default ? " (default)" : "");
cc1daa40 4884 }
15f82208 4885 exit(*optarg != '?');
cc1daa40
FB
4886 }
4887 break;
94fc95cd
JM
4888 case QEMU_OPTION_cpu:
4889 /* hw initialization will check this */
15f82208 4890 if (*optarg == '?') {
c732abe2
JM
4891/* XXX: implement xxx_cpu_list for targets that still miss it */
4892#if defined(cpu_list)
4893 cpu_list(stdout, &fprintf);
94fc95cd 4894#endif
15f82208 4895 exit(0);
94fc95cd
JM
4896 } else {
4897 cpu_model = optarg;
4898 }
4899 break;
cd6f1169 4900 case QEMU_OPTION_initrd:
fc01f7e7
FB
4901 initrd_filename = optarg;
4902 break;
cd6f1169 4903 case QEMU_OPTION_hda:
e4bcb14c 4904 if (cyls == 0)
9dfd7c7a 4905 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 4906 else
9dfd7c7a 4907 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 4908 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 4909 0, cyls, heads, secs,
e4bcb14c
TS
4910 translation == BIOS_ATA_TRANSLATION_LBA ?
4911 ",trans=lba" :
4912 translation == BIOS_ATA_TRANSLATION_NONE ?
4913 ",trans=none" : "");
4914 break;
cd6f1169 4915 case QEMU_OPTION_hdb:
cc1daa40
FB
4916 case QEMU_OPTION_hdc:
4917 case QEMU_OPTION_hdd:
609497ab 4918 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 4919 break;
e4bcb14c 4920 case QEMU_OPTION_drive:
609497ab 4921 drive_add(NULL, "%s", optarg);
e4bcb14c 4922 break;
d058fe03
GH
4923 case QEMU_OPTION_set:
4924 if (qemu_set_option(optarg) != 0)
4925 exit(1);
4926 break;
3e3d5815 4927 case QEMU_OPTION_mtdblock:
609497ab 4928 drive_add(optarg, MTD_ALIAS);
3e3d5815 4929 break;
a1bb27b1 4930 case QEMU_OPTION_sd:
609497ab 4931 drive_add(optarg, SD_ALIAS);
a1bb27b1 4932 break;
86f55663 4933 case QEMU_OPTION_pflash:
609497ab 4934 drive_add(optarg, PFLASH_ALIAS);
86f55663 4935 break;
cd6f1169 4936 case QEMU_OPTION_snapshot:
33e3963e
FB
4937 snapshot = 1;
4938 break;
cd6f1169 4939 case QEMU_OPTION_hdachs:
330d0414 4940 {
330d0414
FB
4941 const char *p;
4942 p = optarg;
4943 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB
4944 if (cyls < 1 || cyls > 16383)
4945 goto chs_fail;
330d0414
FB
4946 if (*p != ',')
4947 goto chs_fail;
4948 p++;
4949 heads = strtol(p, (char **)&p, 0);
46d4767d
FB
4950 if (heads < 1 || heads > 16)
4951 goto chs_fail;
330d0414
FB
4952 if (*p != ',')
4953 goto chs_fail;
4954 p++;
4955 secs = strtol(p, (char **)&p, 0);
46d4767d
FB
4956 if (secs < 1 || secs > 63)
4957 goto chs_fail;
4958 if (*p == ',') {
4959 p++;
4960 if (!strcmp(p, "none"))
4961 translation = BIOS_ATA_TRANSLATION_NONE;
4962 else if (!strcmp(p, "lba"))
4963 translation = BIOS_ATA_TRANSLATION_LBA;
4964 else if (!strcmp(p, "auto"))
4965 translation = BIOS_ATA_TRANSLATION_AUTO;
4966 else
4967 goto chs_fail;
4968 } else if (*p != '\0') {
c4b1fcc0 4969 chs_fail:
46d4767d
FB
4970 fprintf(stderr, "qemu: invalid physical CHS format\n");
4971 exit(1);
c4b1fcc0 4972 }
9dfd7c7a
GH
4973 if (hda_opts != NULL) {
4974 char num[16];
4975 snprintf(num, sizeof(num), "%d", cyls);
4976 qemu_opt_set(hda_opts, "cyls", num);
4977 snprintf(num, sizeof(num), "%d", heads);
4978 qemu_opt_set(hda_opts, "heads", num);
4979 snprintf(num, sizeof(num), "%d", secs);
4980 qemu_opt_set(hda_opts, "secs", num);
4981 if (translation == BIOS_ATA_TRANSLATION_LBA)
4982 qemu_opt_set(hda_opts, "trans", "lba");
4983 if (translation == BIOS_ATA_TRANSLATION_NONE)
4984 qemu_opt_set(hda_opts, "trans", "none");
4985 }
330d0414
FB
4986 }
4987 break;
268a362c
AL
4988 case QEMU_OPTION_numa:
4989 if (nb_numa_nodes >= MAX_NODES) {
4990 fprintf(stderr, "qemu: too many NUMA nodes\n");
4991 exit(1);
4992 }
4993 numa_add(optarg);
4994 break;
cd6f1169 4995 case QEMU_OPTION_nographic:
993fbfdb 4996 display_type = DT_NOGRAPHIC;
a20dd508 4997 break;
4d3b6f6e
AZ
4998#ifdef CONFIG_CURSES
4999 case QEMU_OPTION_curses:
993fbfdb 5000 display_type = DT_CURSES;
4d3b6f6e
AZ
5001 break;
5002#endif
a171fe39
AZ
5003 case QEMU_OPTION_portrait:
5004 graphic_rotate = 1;
5005 break;
cd6f1169 5006 case QEMU_OPTION_kernel:
a20dd508
FB
5007 kernel_filename = optarg;
5008 break;
cd6f1169 5009 case QEMU_OPTION_append:
a20dd508 5010 kernel_cmdline = optarg;
313aa567 5011 break;
cd6f1169 5012 case QEMU_OPTION_cdrom:
609497ab 5013 drive_add(optarg, CDROM_ALIAS);
36b486bb 5014 break;
cd6f1169 5015 case QEMU_OPTION_boot:
28c5af54 5016 {
ef3adf68 5017 static const char * const params[] = {
95387491 5018 "order", "once", "menu", NULL
ef3adf68
JK
5019 };
5020 char buf[sizeof(boot_devices)];
e0f084bf 5021 char *standard_boot_devices;
ef3adf68
JK
5022 int legacy = 0;
5023
5024 if (!strchr(optarg, '=')) {
5025 legacy = 1;
5026 pstrcpy(buf, sizeof(buf), optarg);
5027 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
5028 fprintf(stderr,
5029 "qemu: unknown boot parameter '%s' in '%s'\n",
5030 buf, optarg);
5031 exit(1);
5032 }
5033
5034 if (legacy ||
5035 get_param_value(buf, sizeof(buf), "order", optarg)) {
5036 boot_devices_bitmap = parse_bootdevices(buf);
5037 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 5038 }
e0f084bf
JK
5039 if (!legacy) {
5040 if (get_param_value(buf, sizeof(buf),
5041 "once", optarg)) {
5042 boot_devices_bitmap |= parse_bootdevices(buf);
5043 standard_boot_devices = qemu_strdup(boot_devices);
5044 pstrcpy(boot_devices, sizeof(boot_devices), buf);
5045 qemu_register_reset(restore_boot_devices,
5046 standard_boot_devices);
5047 }
95387491
JK
5048 if (get_param_value(buf, sizeof(buf),
5049 "menu", optarg)) {
5050 if (!strcmp(buf, "on")) {
5051 boot_menu = 1;
5052 } else if (!strcmp(buf, "off")) {
5053 boot_menu = 0;
5054 } else {
5055 fprintf(stderr,
5056 "qemu: invalid option value '%s'\n",
5057 buf);
5058 exit(1);
5059 }
5060 }
e0f084bf 5061 }
36b486bb
FB
5062 }
5063 break;
cd6f1169 5064 case QEMU_OPTION_fda:
cd6f1169 5065 case QEMU_OPTION_fdb:
609497ab 5066 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 5067 break;
52ca8d6a
FB
5068#ifdef TARGET_I386
5069 case QEMU_OPTION_no_fd_bootchk:
5070 fd_bootchk = 0;
5071 break;
5072#endif
7c9d8e07
FB
5073 case QEMU_OPTION_net:
5074 if (nb_net_clients >= MAX_NET_CLIENTS) {
5075 fprintf(stderr, "qemu: too many network clients\n");
c4b1fcc0
FB
5076 exit(1);
5077 }
fd5f393a 5078 net_clients[nb_net_clients] = optarg;
7c9d8e07 5079 nb_net_clients++;
702c651c 5080 break;
c7f74643
FB
5081#ifdef CONFIG_SLIRP
5082 case QEMU_OPTION_tftp:
ad196a9d 5083 legacy_tftp_prefix = optarg;
9bf05444 5084 break;
47d5d01a 5085 case QEMU_OPTION_bootp:
ad196a9d 5086 legacy_bootp_filename = optarg;
47d5d01a 5087 break;
c94c8d64 5088#ifndef _WIN32
9d728e8c 5089 case QEMU_OPTION_smb:
ad196a9d 5090 net_slirp_smb(optarg);
9d728e8c 5091 break;
c94c8d64 5092#endif
9bf05444 5093 case QEMU_OPTION_redir:
f3546deb 5094 net_slirp_redir(optarg);
9bf05444 5095 break;
c7f74643 5096#endif
dc72ac14 5097 case QEMU_OPTION_bt:
bd3c948d 5098 add_device_config(DEV_BT, optarg);
dc72ac14 5099 break;
1d14ffa9 5100#ifdef HAS_AUDIO
1d14ffa9
FB
5101 case QEMU_OPTION_audio_help:
5102 AUD_help ();
5103 exit (0);
5104 break;
5105 case QEMU_OPTION_soundhw:
5106 select_soundhw (optarg);
5107 break;
5108#endif
cd6f1169 5109 case QEMU_OPTION_h:
15f82208 5110 help(0);
cd6f1169 5111 break;
9bd7e6d9
PB
5112 case QEMU_OPTION_version:
5113 version();
5114 exit(0);
5115 break;
00f82b8a
AJ
5116 case QEMU_OPTION_m: {
5117 uint64_t value;
5118 char *ptr;
5119
5120 value = strtoul(optarg, &ptr, 10);
5121 switch (*ptr) {
5122 case 0: case 'M': case 'm':
5123 value <<= 20;
5124 break;
5125 case 'G': case 'g':
5126 value <<= 30;
5127 break;
5128 default:
5129 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB
5130 exit(1);
5131 }
00f82b8a
AJ
5132
5133 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 5134 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ
5135 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
5136 exit(1);
5137 }
5138 if (value != (uint64_t)(ram_addr_t)value) {
5139 fprintf(stderr, "qemu: ram size too large\n");
5140 exit(1);
5141 }
5142 ram_size = value;
cd6f1169 5143 break;
00f82b8a 5144 }
cd6f1169
FB
5145 case QEMU_OPTION_d:
5146 {
5147 int mask;
c7cd6a37 5148 const CPULogItem *item;
3b46e624 5149
cd6f1169
FB
5150 mask = cpu_str_to_log_mask(optarg);
5151 if (!mask) {
5152 printf("Log items (comma separated):\n");
f193c797
FB
5153 for(item = cpu_log_items; item->mask != 0; item++) {
5154 printf("%-10s %s\n", item->name, item->help);
5155 }
5156 exit(1);
cd6f1169
FB
5157 }
5158 cpu_set_log(mask);
f193c797 5159 }
cd6f1169 5160 break;
cd6f1169 5161 case QEMU_OPTION_s:
59030a8c 5162 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 5163 break;
59030a8c
AL
5164 case QEMU_OPTION_gdb:
5165 gdbstub_dev = optarg;
cd6f1169 5166 break;
cd6f1169 5167 case QEMU_OPTION_L:
5cea8590 5168 data_dir = optarg;
cd6f1169 5169 break;
1192dad8
JM
5170 case QEMU_OPTION_bios:
5171 bios_name = optarg;
5172 break;
1b530a6d
AJ
5173 case QEMU_OPTION_singlestep:
5174 singlestep = 1;
5175 break;
cd6f1169 5176 case QEMU_OPTION_S:
3c07f8e8 5177 autostart = 0;
cd6f1169 5178 break;
5824d651 5179#ifndef _WIN32
3d11d0eb
FB
5180 case QEMU_OPTION_k:
5181 keyboard_layout = optarg;
5182 break;
5824d651 5183#endif
ee22c2f7
FB
5184 case QEMU_OPTION_localtime:
5185 rtc_utc = 0;
5186 break;
3893c124 5187 case QEMU_OPTION_vga:
5188 select_vgahw (optarg);
1bfe856e 5189 break;
5824d651 5190#if defined(TARGET_PPC) || defined(TARGET_SPARC)
e9b137c2
FB
5191 case QEMU_OPTION_g:
5192 {
5193 const char *p;
5194 int w, h, depth;
5195 p = optarg;
5196 w = strtol(p, (char **)&p, 10);
5197 if (w <= 0) {
5198 graphic_error:
5199 fprintf(stderr, "qemu: invalid resolution or depth\n");
5200 exit(1);
5201 }
5202 if (*p != 'x')
5203 goto graphic_error;
5204 p++;
5205 h = strtol(p, (char **)&p, 10);
5206 if (h <= 0)
5207 goto graphic_error;
5208 if (*p == 'x') {
5209 p++;
5210 depth = strtol(p, (char **)&p, 10);
5fafdf24 5211 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB
5212 depth != 24 && depth != 32)
5213 goto graphic_error;
5214 } else if (*p == '\0') {
5215 depth = graphic_depth;
5216 } else {
5217 goto graphic_error;
5218 }
3b46e624 5219
e9b137c2
FB
5220 graphic_width = w;
5221 graphic_height = h;
5222 graphic_depth = depth;
5223 }
5224 break;
5824d651 5225#endif
20d8a3ed
TS
5226 case QEMU_OPTION_echr:
5227 {
5228 char *r;
5229 term_escape_char = strtol(optarg, &r, 0);
5230 if (r == optarg)
5231 printf("Bad argument to echr\n");
5232 break;
5233 }
82c643ff 5234 case QEMU_OPTION_monitor:
ddd9bbd9
JK
5235 if (monitor_device_index >= MAX_MONITOR_DEVICES) {
5236 fprintf(stderr, "qemu: too many monitor devices\n");
5237 exit(1);
5238 }
5239 monitor_devices[monitor_device_index] = optarg;
5240 monitor_device_index++;
82c643ff 5241 break;
191bc01b
GH
5242 case QEMU_OPTION_chardev:
5243 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend");
5244 if (!opts) {
5245 fprintf(stderr, "parse error: %s\n", optarg);
5246 exit(1);
5247 }
5248 if (NULL == qemu_chr_open_opts(opts, NULL)) {
5249 exit(1);
5250 }
5251 break;
82c643ff 5252 case QEMU_OPTION_serial:
8d11df9e
FB
5253 if (serial_device_index >= MAX_SERIAL_PORTS) {
5254 fprintf(stderr, "qemu: too many serial ports\n");
5255 exit(1);
5256 }
fd5f393a 5257 serial_devices[serial_device_index] = optarg;
8d11df9e 5258 serial_device_index++;
82c643ff 5259 break;
9dd986cc 5260 case QEMU_OPTION_watchdog:
09aaa160
MA
5261 if (watchdog) {
5262 fprintf(stderr,
5263 "qemu: only one watchdog option may be given\n");
5264 return 1;
5265 }
5266 watchdog = optarg;
9dd986cc
RJ
5267 break;
5268 case QEMU_OPTION_watchdog_action:
5269 if (select_watchdog_action(optarg) == -1) {
5270 fprintf(stderr, "Unknown -watchdog-action parameter\n");
5271 exit(1);
5272 }
5273 break;
51ecf136
AL
5274 case QEMU_OPTION_virtiocon:
5275 if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
5276 fprintf(stderr, "qemu: too many virtio consoles\n");
5277 exit(1);
5278 }
5279 virtio_consoles[virtio_console_index] = optarg;
5280 virtio_console_index++;
5281 break;
6508fe59
FB
5282 case QEMU_OPTION_parallel:
5283 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5284 fprintf(stderr, "qemu: too many parallel ports\n");
5285 exit(1);
5286 }
fd5f393a 5287 parallel_devices[parallel_device_index] = optarg;
6508fe59
FB
5288 parallel_device_index++;
5289 break;
d63d307f
FB
5290 case QEMU_OPTION_loadvm:
5291 loadvm = optarg;
5292 break;
5293 case QEMU_OPTION_full_screen:
5294 full_screen = 1;
5295 break;
667accab 5296#ifdef CONFIG_SDL
43523e93
TS
5297 case QEMU_OPTION_no_frame:
5298 no_frame = 1;
5299 break;
3780e197
TS
5300 case QEMU_OPTION_alt_grab:
5301 alt_grab = 1;
5302 break;
667accab
TS
5303 case QEMU_OPTION_no_quit:
5304 no_quit = 1;
5305 break;
7d957bd8 5306 case QEMU_OPTION_sdl:
993fbfdb 5307 display_type = DT_SDL;
7d957bd8 5308 break;
667accab 5309#endif
f7cce898 5310 case QEMU_OPTION_pidfile:
93815bc2 5311 pid_file = optarg;
f7cce898 5312 break;
a09db21f
FB
5313#ifdef TARGET_I386
5314 case QEMU_OPTION_win2k_hack:
5315 win2k_install_hack = 1;
5316 break;
73822ec8
AL
5317 case QEMU_OPTION_rtc_td_hack:
5318 rtc_td_hack = 1;
5319 break;
8a92ea2f
AL
5320 case QEMU_OPTION_acpitable:
5321 if(acpi_table_add(optarg) < 0) {
5322 fprintf(stderr, "Wrong acpi table provided\n");
5323 exit(1);
5324 }
5325 break;
b6f6e3d3
AL
5326 case QEMU_OPTION_smbios:
5327 if(smbios_entry_add(optarg) < 0) {
5328 fprintf(stderr, "Wrong smbios provided\n");
5329 exit(1);
5330 }
5331 break;
a09db21f 5332#endif
7ba1e619
AL
5333#ifdef CONFIG_KVM
5334 case QEMU_OPTION_enable_kvm:
5335 kvm_allowed = 1;
7ba1e619 5336 break;
d993e026 5337#endif
bb36d470
FB
5338 case QEMU_OPTION_usb:
5339 usb_enabled = 1;
5340 break;
a594cfbf
FB
5341 case QEMU_OPTION_usbdevice:
5342 usb_enabled = 1;
bd3c948d
GH
5343 add_device_config(DEV_USB, optarg);
5344 break;
5345 case QEMU_OPTION_device:
f31d07d1
GH
5346 opts = qemu_opts_parse(&qemu_device_opts, optarg, "driver");
5347 if (!opts) {
5348 fprintf(stderr, "parse error: %s\n", optarg);
5349 exit(1);
5350 }
a594cfbf 5351 break;
6a00d601 5352 case QEMU_OPTION_smp:
dc6b1c09 5353 smp_parse(optarg);
b2097003 5354 if (smp_cpus < 1) {
6a00d601
FB
5355 fprintf(stderr, "Invalid number of CPUs\n");
5356 exit(1);
5357 }
6be68d7e
JS
5358 if (max_cpus < smp_cpus) {
5359 fprintf(stderr, "maxcpus must be equal to or greater than "
5360 "smp\n");
5361 exit(1);
5362 }
5363 if (max_cpus > 255) {
5364 fprintf(stderr, "Unsupported number of maxcpus\n");
5365 exit(1);
5366 }
6a00d601 5367 break;
24236869 5368 case QEMU_OPTION_vnc:
993fbfdb 5369 display_type = DT_VNC;
73fc9742 5370 vnc_display = optarg;
24236869 5371 break;
5824d651 5372#ifdef TARGET_I386
6515b203
FB
5373 case QEMU_OPTION_no_acpi:
5374 acpi_enabled = 0;
5375 break;
16b29ae1
AL
5376 case QEMU_OPTION_no_hpet:
5377 no_hpet = 1;
5378 break;
7d4c3d53
MA
5379 case QEMU_OPTION_balloon:
5380 if (balloon_parse(optarg) < 0) {
5381 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
5382 exit(1);
5383 }
df97b920 5384 break;
5824d651 5385#endif
d1beab82
FB
5386 case QEMU_OPTION_no_reboot:
5387 no_reboot = 1;
5388 break;
b2f76161
AJ
5389 case QEMU_OPTION_no_shutdown:
5390 no_shutdown = 1;
5391 break;
9467cd46
AZ
5392 case QEMU_OPTION_show_cursor:
5393 cursor_hide = 0;
5394 break;
8fcb1b90
BS
5395 case QEMU_OPTION_uuid:
5396 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5397 fprintf(stderr, "Fail to parse UUID string."
5398 " Wrong format.\n");
5399 exit(1);
5400 }
5401 break;
5824d651 5402#ifndef _WIN32
71e3ceb8
TS
5403 case QEMU_OPTION_daemonize:
5404 daemonize = 1;
5405 break;
5824d651 5406#endif
9ae02555
TS
5407 case QEMU_OPTION_option_rom:
5408 if (nb_option_roms >= MAX_OPTION_ROMS) {
5409 fprintf(stderr, "Too many option ROMs\n");
5410 exit(1);
5411 }
5412 option_rom[nb_option_roms] = optarg;
5413 nb_option_roms++;
5414 break;
5824d651 5415#if defined(TARGET_ARM) || defined(TARGET_M68K)
8e71621f
PB
5416 case QEMU_OPTION_semihosting:
5417 semihosting_enabled = 1;
5418 break;
5824d651 5419#endif
c35734b2 5420 case QEMU_OPTION_name:
1889465a
AK
5421 qemu_name = qemu_strdup(optarg);
5422 {
5423 char *p = strchr(qemu_name, ',');
5424 if (p != NULL) {
5425 *p++ = 0;
5426 if (strncmp(p, "process=", 8)) {
5427 fprintf(stderr, "Unknown subargument %s to -name", p);
5428 exit(1);
5429 }
5430 p += 8;
5431 set_proc_name(p);
5432 }
5433 }
c35734b2 5434 break;
95efd11c 5435#if defined(TARGET_SPARC) || defined(TARGET_PPC)
66508601
BS
5436 case QEMU_OPTION_prom_env:
5437 if (nb_prom_envs >= MAX_PROM_ENVS) {
5438 fprintf(stderr, "Too many prom variables\n");
5439 exit(1);
5440 }
5441 prom_envs[nb_prom_envs] = optarg;
5442 nb_prom_envs++;
5443 break;
2b8f2d41
AZ
5444#endif
5445#ifdef TARGET_ARM
5446 case QEMU_OPTION_old_param:
5447 old_param = 1;
05ebd537 5448 break;
66508601 5449#endif
f3dcfada
TS
5450 case QEMU_OPTION_clock:
5451 configure_alarms(optarg);
5452 break;
7e0af5d0
FB
5453 case QEMU_OPTION_startdate:
5454 {
5455 struct tm tm;
f6503059 5456 time_t rtc_start_date;
7e0af5d0 5457 if (!strcmp(optarg, "now")) {
f6503059 5458 rtc_date_offset = -1;
7e0af5d0
FB
5459 } else {
5460 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5461 &tm.tm_year,
5462 &tm.tm_mon,
5463 &tm.tm_mday,
5464 &tm.tm_hour,
5465 &tm.tm_min,
5466 &tm.tm_sec) == 6) {
5467 /* OK */
5468 } else if (sscanf(optarg, "%d-%d-%d",
5469 &tm.tm_year,
5470 &tm.tm_mon,
5471 &tm.tm_mday) == 3) {
5472 tm.tm_hour = 0;
5473 tm.tm_min = 0;
5474 tm.tm_sec = 0;
5475 } else {
5476 goto date_fail;
5477 }
5478 tm.tm_year -= 1900;
5479 tm.tm_mon--;
3c6b2088 5480 rtc_start_date = mktimegm(&tm);
7e0af5d0
FB
5481 if (rtc_start_date == -1) {
5482 date_fail:
5483 fprintf(stderr, "Invalid date format. Valid format are:\n"
5484 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5485 exit(1);
5486 }
f6503059 5487 rtc_date_offset = time(NULL) - rtc_start_date;
7e0af5d0
FB
5488 }
5489 }
5490 break;
26a5f13b
FB
5491 case QEMU_OPTION_tb_size:
5492 tb_size = strtol(optarg, NULL, 0);
5493 if (tb_size < 0)
5494 tb_size = 0;
5495 break;
2e70f6ef
PB
5496 case QEMU_OPTION_icount:
5497 use_icount = 1;
5498 if (strcmp(optarg, "auto") == 0) {
5499 icount_time_shift = -1;
5500 } else {
5501 icount_time_shift = strtol(optarg, NULL, 0);
5502 }
5503 break;
5bb7910a
AL
5504 case QEMU_OPTION_incoming:
5505 incoming = optarg;
5506 break;
5824d651 5507#ifndef _WIN32
0858532e
AL
5508 case QEMU_OPTION_chroot:
5509 chroot_dir = optarg;
5510 break;
5511 case QEMU_OPTION_runas:
5512 run_as = optarg;
5513 break;
e37630ca
AL
5514#endif
5515#ifdef CONFIG_XEN
5516 case QEMU_OPTION_xen_domid:
5517 xen_domid = atoi(optarg);
5518 break;
5519 case QEMU_OPTION_xen_create:
5520 xen_mode = XEN_CREATE;
5521 break;
5522 case QEMU_OPTION_xen_attach:
5523 xen_mode = XEN_ATTACH;
5524 break;
5824d651 5525#endif
cd6f1169 5526 }
0824d6fc
FB
5527 }
5528 }
330d0414 5529
e09a5267
DK
5530 if (kvm_enabled()) {
5531 int ret;
5532
5533 ret = kvm_init(smp_cpus);
5534 if (ret < 0) {
5535 fprintf(stderr, "failed to initialize KVM\n");
5536 exit(1);
5537 }
5538 }
5539
5cea8590
PB
5540 /* If no data_dir is specified then try to find it relative to the
5541 executable path. */
5542 if (!data_dir) {
5543 data_dir = find_datadir(argv[0]);
5544 }
5545 /* If all else fails use the install patch specified when building. */
5546 if (!data_dir) {
5547 data_dir = CONFIG_QEMU_SHAREDIR;
5548 }
5549
6be68d7e
JS
5550 /*
5551 * Default to max_cpus = smp_cpus, in case the user doesn't
5552 * specify a max_cpus value.
5553 */
5554 if (!max_cpus)
5555 max_cpus = smp_cpus;
5556
3d878caa 5557 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL
5558 if (smp_cpus > machine->max_cpus) {
5559 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5560 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5561 machine->max_cpus);
5562 exit(1);
5563 }
5564
993fbfdb 5565 if (display_type == DT_NOGRAPHIC) {
bc0129d9
AL
5566 if (serial_device_index == 0)
5567 serial_devices[0] = "stdio";
5568 if (parallel_device_index == 0)
5569 parallel_devices[0] = "null";
ddd9bbd9
JK
5570 if (strncmp(monitor_devices[0], "vc", 2) == 0) {
5571 monitor_devices[0] = "stdio";
5572 }
bc0129d9
AL
5573 }
5574
71e3ceb8 5575#ifndef _WIN32
71e3ceb8
TS
5576 if (daemonize) {
5577 pid_t pid;
5578
5579 if (pipe(fds) == -1)
5580 exit(1);
5581
5582 pid = fork();
5583 if (pid > 0) {
5584 uint8_t status;
5585 ssize_t len;
5586
5587 close(fds[1]);
5588
5589 again:
93815bc2
TS
5590 len = read(fds[0], &status, 1);
5591 if (len == -1 && (errno == EINTR))
5592 goto again;
5593
5594 if (len != 1)
5595 exit(1);
5596 else if (status == 1) {
5597 fprintf(stderr, "Could not acquire pidfile\n");
5598 exit(1);
5599 } else
5600 exit(0);
71e3ceb8 5601 } else if (pid < 0)
93815bc2 5602 exit(1);
71e3ceb8
TS
5603
5604 setsid();
5605
5606 pid = fork();
5607 if (pid > 0)
5608 exit(0);
5609 else if (pid < 0)
5610 exit(1);
5611
5612 umask(027);
71e3ceb8
TS
5613
5614 signal(SIGTSTP, SIG_IGN);
5615 signal(SIGTTOU, SIG_IGN);
5616 signal(SIGTTIN, SIG_IGN);
5617 }
71e3ceb8 5618
aa26bb2d 5619 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
93815bc2
TS
5620 if (daemonize) {
5621 uint8_t status = 1;
5622 write(fds[1], &status, 1);
5623 } else
5624 fprintf(stderr, "Could not acquire pid file\n");
5625 exit(1);
5626 }
b9e82a59 5627#endif
93815bc2 5628
3fcf7b6b
AL
5629 if (qemu_init_main_loop()) {
5630 fprintf(stderr, "qemu_init_main_loop failed\n");
5631 exit(1);
5632 }
a20dd508 5633 linux_boot = (kernel_filename != NULL);
6c41b272 5634
f8d39c01
TS
5635 if (!linux_boot && *kernel_cmdline != '\0') {
5636 fprintf(stderr, "-append only allowed with -kernel option\n");
5637 exit(1);
5638 }
5639
5640 if (!linux_boot && initrd_filename != NULL) {
5641 fprintf(stderr, "-initrd only allowed with -kernel option\n");
5642 exit(1);
5643 }
5644
bf65f53f
FN
5645#ifndef _WIN32
5646 /* Win32 doesn't support line-buffering and requires size >= 2 */
b118d61e 5647 setvbuf(stdout, NULL, _IOLBF, 0);
bf65f53f 5648#endif
3b46e624 5649
634fce96 5650 init_timers();
7183b4b4
AL
5651 if (init_timer_alarm() < 0) {
5652 fprintf(stderr, "could not initialize alarm timer\n");
5653 exit(1);
5654 }
2e70f6ef
PB
5655 if (use_icount && icount_time_shift < 0) {
5656 use_icount = 2;
5657 /* 125MIPS seems a reasonable initial guess at the guest speed.
5658 It will be corrected fairly quickly anyway. */
5659 icount_time_shift = 3;
5660 init_icount_adjust();
5661 }
634fce96 5662
fd1dff4b
FB
5663#ifdef _WIN32
5664 socket_init();
5665#endif
5666
7c9d8e07
FB
5667 /* init network clients */
5668 if (nb_net_clients == 0) {
5669 /* if no clients, we use a default config */
f441b28b
AL
5670 net_clients[nb_net_clients++] = "nic";
5671#ifdef CONFIG_SLIRP
5672 net_clients[nb_net_clients++] = "user";
5673#endif
c20709aa
FB
5674 }
5675
7c9d8e07 5676 for(i = 0;i < nb_net_clients; i++) {
9ad97e65 5677 if (net_client_parse(net_clients[i]) < 0)
7c9d8e07 5678 exit(1);
702c651c 5679 }
f1510b2c 5680
406c8df3
GC
5681 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
5682 net_set_boot_mask(net_boot);
5683
5684 net_client_check();
eec85c2a 5685
dc72ac14 5686 /* init the bluetooth world */
bd3c948d
GH
5687 if (foreach_device_config(DEV_BT, bt_parse))
5688 exit(1);
dc72ac14 5689
0824d6fc 5690 /* init the memory */
94a6b54f
PB
5691 if (ram_size == 0)
5692 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 5693
26a5f13b
FB
5694 /* init the dynamic translator */
5695 cpu_exec_init_all(tb_size * 1024 * 1024);
5696
5905b2e5 5697 bdrv_init();
c4b1fcc0 5698
e4bcb14c 5699 /* we always create the cdrom drive, even if no disk is there */
3b0ba927 5700 drive_add(NULL, CDROM_ALIAS);
c4b1fcc0 5701
9d413d1d 5702 /* we always create at least one floppy */
3b0ba927 5703 drive_add(NULL, FD_ALIAS, 0);
86f55663 5704
9d413d1d 5705 /* we always create one sd slot, even if no card is in it */
3b0ba927 5706 drive_add(NULL, SD_ALIAS);
9d413d1d 5707
e4bcb14c 5708 /* open the virtual block devices */
9dfd7c7a 5709 if (snapshot)
7282a033
GH
5710 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
5711 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
9dfd7c7a 5712 exit(1);
3e3d5815 5713
c88676f8 5714 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
475e4277 5715 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
8a7ddc38 5716
3023f332 5717 /* Maintain compatibility with multiple stdio monitors */
ddd9bbd9 5718 if (!strcmp(monitor_devices[0],"stdio")) {
3023f332
AL
5719 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
5720 const char *devname = serial_devices[i];
5721 if (devname && !strcmp(devname,"mon:stdio")) {
ddd9bbd9 5722 monitor_devices[0] = NULL;
3023f332
AL
5723 break;
5724 } else if (devname && !strcmp(devname,"stdio")) {
ddd9bbd9 5725 monitor_devices[0] = NULL;
3023f332
AL
5726 serial_devices[i] = "mon:stdio";
5727 break;
5728 }
5729 }
5730 }
5731
268a362c
AL
5732 if (nb_numa_nodes > 0) {
5733 int i;
5734
5735 if (nb_numa_nodes > smp_cpus) {
5736 nb_numa_nodes = smp_cpus;
5737 }
5738
5739 /* If no memory size if given for any node, assume the default case
5740 * and distribute the available memory equally across all nodes
5741 */
5742 for (i = 0; i < nb_numa_nodes; i++) {
5743 if (node_mem[i] != 0)
5744 break;
5745 }
5746 if (i == nb_numa_nodes) {
5747 uint64_t usedmem = 0;
5748
5749 /* On Linux, the each node's border has to be 8MB aligned,
5750 * the final node gets the rest.
5751 */
5752 for (i = 0; i < nb_numa_nodes - 1; i++) {
5753 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
5754 usedmem += node_mem[i];
5755 }
5756 node_mem[i] = ram_size - usedmem;
5757 }
5758
5759 for (i = 0; i < nb_numa_nodes; i++) {
5760 if (node_cpumask[i] != 0)
5761 break;
5762 }
5763 /* assigning the VCPUs round-robin is easier to implement, guest OSes
5764 * must cope with this anyway, because there are BIOSes out there in
5765 * real machines which also use this scheme.
5766 */
5767 if (i == nb_numa_nodes) {
5768 for (i = 0; i < smp_cpus; i++) {
5769 node_cpumask[i % nb_numa_nodes] |= 1 << i;
5770 }
5771 }
5772 }
5773
ddd9bbd9
JK
5774 for (i = 0; i < MAX_MONITOR_DEVICES; i++) {
5775 const char *devname = monitor_devices[i];
5776 if (devname && strcmp(devname, "none")) {
5777 char label[32];
5778 if (i == 0) {
5779 snprintf(label, sizeof(label), "monitor");
5780 } else {
5781 snprintf(label, sizeof(label), "monitor%d", i);
5782 }
5783 monitor_hds[i] = qemu_chr_open(label, devname, NULL);
5784 if (!monitor_hds[i]) {
5785 fprintf(stderr, "qemu: could not open monitor device '%s'\n",
5786 devname);
5787 exit(1);
5788 }
4c621805
AL
5789 }
5790 }
5791
2796dae0
AL
5792 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5793 const char *devname = serial_devices[i];
5794 if (devname && strcmp(devname, "none")) {
5795 char label[32];
5796 snprintf(label, sizeof(label), "serial%d", i);
ceecf1d1 5797 serial_hds[i] = qemu_chr_open(label, devname, NULL);
2796dae0
AL
5798 if (!serial_hds[i]) {
5799 fprintf(stderr, "qemu: could not open serial device '%s'\n",
5800 devname);
5801 exit(1);
5802 }
5803 }
5804 }
5805
5806 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5807 const char *devname = parallel_devices[i];
5808 if (devname && strcmp(devname, "none")) {
5809 char label[32];
5810 snprintf(label, sizeof(label), "parallel%d", i);
ceecf1d1 5811 parallel_hds[i] = qemu_chr_open(label, devname, NULL);
2796dae0
AL
5812 if (!parallel_hds[i]) {
5813 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
5814 devname);
5815 exit(1);
5816 }
5817 }
5818 }
5819
5820 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5821 const char *devname = virtio_consoles[i];
5822 if (devname && strcmp(devname, "none")) {
5823 char label[32];
5824 snprintf(label, sizeof(label), "virtcon%d", i);
ceecf1d1 5825 virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
2796dae0
AL
5826 if (!virtcon_hds[i]) {
5827 fprintf(stderr, "qemu: could not open virtio console '%s'\n",
5828 devname);
5829 exit(1);
5830 }
5831 }
5832 }
5833
aae9460e
PB
5834 module_call_init(MODULE_INIT_DEVICE);
5835
09aaa160
MA
5836 if (watchdog) {
5837 i = select_watchdog(watchdog);
5838 if (i > 0)
5839 exit (i == 1 ? 1 : 0);
5840 }
5841
b6b61144
GH
5842 if (machine->compat_props) {
5843 qdev_prop_register_compat(machine->compat_props);
5844 }
fbe1b595 5845 machine->init(ram_size, boot_devices,
3023f332
AL
5846 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
5847
268a362c 5848
67b3b71d
JQ
5849#ifndef _WIN32
5850 /* must be after terminal init, SDL library changes signal handlers */
5851 sighandler_setup();
5852#endif
5853
268a362c
AL
5854 for (env = first_cpu; env != NULL; env = env->next_cpu) {
5855 for (i = 0; i < nb_numa_nodes; i++) {
5856 if (node_cpumask[i] & (1 << env->cpu_index)) {
5857 env->numa_node = i;
5858 }
5859 }
5860 }
5861
6f338c34
AL
5862 current_machine = machine;
5863
3023f332
AL
5864 /* init USB devices */
5865 if (usb_enabled) {
bd3c948d 5866 foreach_device_config(DEV_USB, usb_parse);
3023f332
AL
5867 }
5868
bd3c948d 5869 /* init generic devices */
f31d07d1 5870 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH
5871 exit(1);
5872
8f391ab4
AL
5873 if (!display_state)
5874 dumb_display_init();
3023f332
AL
5875 /* just use the first displaystate for the moment */
5876 ds = display_state;
993fbfdb
AL
5877
5878 if (display_type == DT_DEFAULT) {
5879#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
5880 display_type = DT_SDL;
5881#else
5882 display_type = DT_VNC;
5883 vnc_display = "localhost:0,to=99";
5884 show_vnc_port = 1;
5885#endif
5886 }
5887
5888
5889 switch (display_type) {
5890 case DT_NOGRAPHIC:
5891 break;
4d3b6f6e 5892#if defined(CONFIG_CURSES)
993fbfdb
AL
5893 case DT_CURSES:
5894 curses_display_init(ds, full_screen);
5895 break;
4d3b6f6e 5896#endif
5b0753e0 5897#if defined(CONFIG_SDL)
993fbfdb
AL
5898 case DT_SDL:
5899 sdl_display_init(ds, full_screen, no_frame);
5900 break;
5b0753e0 5901#elif defined(CONFIG_COCOA)
993fbfdb
AL
5902 case DT_SDL:
5903 cocoa_display_init(ds, full_screen);
5904 break;
313aa567 5905#endif
993fbfdb
AL
5906 case DT_VNC:
5907 vnc_display_init(ds);
5908 if (vnc_display_open(ds, vnc_display) < 0)
5909 exit(1);
f92f8afe 5910
993fbfdb
AL
5911 if (show_vnc_port) {
5912 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 5913 }
993fbfdb
AL
5914 break;
5915 default:
5916 break;
313aa567 5917 }
7d957bd8 5918 dpy_resize(ds);
5b08fc10 5919
3023f332
AL
5920 dcl = ds->listeners;
5921 while (dcl != NULL) {
5922 if (dcl->dpy_refresh != NULL) {
5923 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
5924 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
20d8a3ed 5925 }
3023f332 5926 dcl = dcl->next;
20d8a3ed 5927 }
3023f332 5928
993fbfdb 5929 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS
5930 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
5931 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
5932 }
5933
2796dae0 5934 text_consoles_set_display(display_state);
2970a6c9 5935 qemu_chr_initial_reset();
2796dae0 5936
ddd9bbd9
JK
5937 for (i = 0; i < MAX_MONITOR_DEVICES; i++) {
5938 if (monitor_devices[i] && monitor_hds[i]) {
5939 monitor_init(monitor_hds[i],
5940 MONITOR_USE_READLINE |
5941 ((i == 0) ? MONITOR_IS_DEFAULT : 0));
5942 }
5943 }
82c643ff 5944
8d11df9e 5945 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
c03b0f0f 5946 const char *devname = serial_devices[i];
fd5f393a 5947 if (devname && strcmp(devname, "none")) {
af3a9031 5948 if (strstart(devname, "vc", 0))
7ba1260a 5949 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
8d11df9e 5950 }
82c643ff 5951 }
82c643ff 5952
6508fe59 5953 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
c03b0f0f 5954 const char *devname = parallel_devices[i];
fd5f393a 5955 if (devname && strcmp(devname, "none")) {
af3a9031 5956 if (strstart(devname, "vc", 0))
7ba1260a 5957 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6508fe59
FB
5958 }
5959 }
5960
9ede2fde
AL
5961 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5962 const char *devname = virtio_consoles[i];
2796dae0 5963 if (virtcon_hds[i] && devname) {
9ede2fde
AL
5964 if (strstart(devname, "vc", 0))
5965 qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
5966 }
5967 }
5968
59030a8c
AL
5969 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
5970 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
5971 gdbstub_dev);
5972 exit(1);
45669e00 5973 }
45669e00 5974
05f2401e
JQ
5975 if (loadvm) {
5976 if (load_vmstate(cur_mon, loadvm) < 0) {
5977 autostart = 0;
5978 }
5979 }
d63d307f 5980
2bb8c10c 5981 if (incoming) {
5bb7910a 5982 qemu_start_incoming_migration(incoming);
6b99dadc 5983 } else if (autostart) {
c0f4ce77 5984 vm_start();
6b99dadc 5985 }
ffd843bc 5986
b9e82a59 5987#ifndef _WIN32
71e3ceb8
TS
5988 if (daemonize) {
5989 uint8_t status = 0;
5990 ssize_t len;
71e3ceb8
TS
5991
5992 again1:
5993 len = write(fds[1], &status, 1);
5994 if (len == -1 && (errno == EINTR))
5995 goto again1;
5996
5997 if (len != 1)
5998 exit(1);
5999
bd54b863 6000 chdir("/");
aeb30be6 6001 TFR(fd = open("/dev/null", O_RDWR));
71e3ceb8
TS
6002 if (fd == -1)
6003 exit(1);
0858532e 6004 }
71e3ceb8 6005
0858532e
AL
6006 if (run_as) {
6007 pwd = getpwnam(run_as);
6008 if (!pwd) {
6009 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
6010 exit(1);
6011 }
6012 }
6013
6014 if (chroot_dir) {
6015 if (chroot(chroot_dir) < 0) {
6016 fprintf(stderr, "chroot failed\n");
6017 exit(1);
6018 }
6019 chdir("/");
6020 }
6021
6022 if (run_as) {
6023 if (setgid(pwd->pw_gid) < 0) {
6024 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
6025 exit(1);
6026 }
6027 if (setuid(pwd->pw_uid) < 0) {
6028 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
6029 exit(1);
6030 }
6031 if (setuid(0) != -1) {
6032 fprintf(stderr, "Dropping privileges failed\n");
6033 exit(1);
6034 }
6035 }
0858532e
AL
6036
6037 if (daemonize) {
6038 dup2(fd, 0);
6039 dup2(fd, 1);
6040 dup2(fd, 2);
71e3ceb8 6041
0858532e 6042 close(fd);
71e3ceb8 6043 }
b9e82a59 6044#endif
71e3ceb8 6045
8a7ddc38 6046 main_loop();
40c3bac3 6047 quit_timers();
63a01ef8 6048 net_cleanup();
b46a8906 6049
0824d6fc
FB
6050 return 0;
6051}