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initial APIC support (only for x86_64 target now)
[qemu/qemu_0_9_1_stable.git] / vl.c
bloba2e23a7a620316d1b1031c2f8ed4eeb1f3d7a7ea
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "vl.h"
25
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <signal.h>
29 #include <time.h>
30 #include <errno.h>
31 #include <sys/time.h>
32
33 #ifndef _WIN32
34 #include <sys/times.h>
35 #include <sys/wait.h>
36 #include <termios.h>
37 #include <sys/poll.h>
38 #include <sys/mman.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
42 #include <dirent.h>
43 #ifdef _BSD
44 #include <sys/stat.h>
45 #ifndef __APPLE__
46 #include <libutil.h>
47 #endif
48 #else
49 #include <linux/if.h>
50 #include <linux/if_tun.h>
51 #include <pty.h>
52 #include <malloc.h>
53 #include <linux/rtc.h>
54 #endif
55 #endif
56
57 #if defined(CONFIG_SLIRP)
58 #include "libslirp.h"
59 #endif
60
61 #ifdef _WIN32
62 #include <malloc.h>
63 #include <sys/timeb.h>
64 #include <windows.h>
65 #define getopt_long_only getopt_long
66 #define memalign(align, size) malloc(size)
67 #endif
68
69 #ifdef CONFIG_SDL
70 #ifdef __APPLE__
71 #include <SDL/SDL.h>
72 #endif
73 #endif /* CONFIG_SDL */
74
75 #include "disas.h"
76
77 #include "exec-all.h"
78
79 //#define DO_TB_FLUSH
80
81 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
82
83 //#define DEBUG_UNUSED_IOPORT
84 //#define DEBUG_IOPORT
85
86 #if !defined(CONFIG_SOFTMMU)
87 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
88 #else
89 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
90 #endif
91
92 #ifdef TARGET_PPC
93 #define DEFAULT_RAM_SIZE 144
94 #else
95 #define DEFAULT_RAM_SIZE 128
96 #endif
97 /* in ms */
98 #define GUI_REFRESH_INTERVAL 30
99
100 /* XXX: use a two level table to limit memory usage */
101 #define MAX_IOPORTS 65536
102
103 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
104 char phys_ram_file[1024];
105 CPUState *global_env;
106 CPUState *cpu_single_env;
107 void *ioport_opaque[MAX_IOPORTS];
108 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
109 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
110 BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
111 int vga_ram_size;
112 int bios_size;
113 static DisplayState display_state;
114 int nographic;
115 const char* keyboard_layout = NULL;
116 int64_t ticks_per_sec;
117 int boot_device = 'c';
118 int ram_size;
119 static char network_script[1024];
120 int pit_min_timer_count = 0;
121 int nb_nics;
122 NetDriverState nd_table[MAX_NICS];
123 QEMUTimer *gui_timer;
124 int vm_running;
125 int audio_enabled = 0;
126 int sb16_enabled = 1;
127 int adlib_enabled = 1;
128 int gus_enabled = 1;
129 int pci_enabled = 1;
130 int prep_enabled = 0;
131 int rtc_utc = 1;
132 int cirrus_vga_enabled = 1;
133 int graphic_width = 800;
134 int graphic_height = 600;
135 int graphic_depth = 15;
136 int full_screen = 0;
137 TextConsole *vga_console;
138 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
139
140 /***********************************************************/
141 /* x86 ISA bus support */
142
143 target_phys_addr_t isa_mem_base = 0;
144
145 uint32_t default_ioport_readb(void *opaque, uint32_t address)
146 {
147 #ifdef DEBUG_UNUSED_IOPORT
148 fprintf(stderr, "inb: port=0x%04x\n", address);
149 #endif
150 return 0xff;
151 }
152
153 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
154 {
155 #ifdef DEBUG_UNUSED_IOPORT
156 fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
157 #endif
158 }
159
160 /* default is to make two byte accesses */
161 uint32_t default_ioport_readw(void *opaque, uint32_t address)
162 {
163 uint32_t data;
164 data = ioport_read_table[0][address](ioport_opaque[address], address);
165 address = (address + 1) & (MAX_IOPORTS - 1);
166 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
167 return data;
168 }
169
170 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
171 {
172 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
173 address = (address + 1) & (MAX_IOPORTS - 1);
174 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
175 }
176
177 uint32_t default_ioport_readl(void *opaque, uint32_t address)
178 {
179 #ifdef DEBUG_UNUSED_IOPORT
180 fprintf(stderr, "inl: port=0x%04x\n", address);
181 #endif
182 return 0xffffffff;
183 }
184
185 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
186 {
187 #ifdef DEBUG_UNUSED_IOPORT
188 fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
189 #endif
190 }
191
192 void init_ioports(void)
193 {
194 int i;
195
196 for(i = 0; i < MAX_IOPORTS; i++) {
197 ioport_read_table[0][i] = default_ioport_readb;
198 ioport_write_table[0][i] = default_ioport_writeb;
199 ioport_read_table[1][i] = default_ioport_readw;
200 ioport_write_table[1][i] = default_ioport_writew;
201 ioport_read_table[2][i] = default_ioport_readl;
202 ioport_write_table[2][i] = default_ioport_writel;
203 }
204 }
205
206 /* size is the word size in byte */
207 int register_ioport_read(int start, int length, int size,
208 IOPortReadFunc *func, void *opaque)
209 {
210 int i, bsize;
211
212 if (size == 1) {
213 bsize = 0;
214 } else if (size == 2) {
215 bsize = 1;
216 } else if (size == 4) {
217 bsize = 2;
218 } else {
219 hw_error("register_ioport_read: invalid size");
220 return -1;
221 }
222 for(i = start; i < start + length; i += size) {
223 ioport_read_table[bsize][i] = func;
224 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
225 hw_error("register_ioport_read: invalid opaque");
226 ioport_opaque[i] = opaque;
227 }
228 return 0;
229 }
230
231 /* size is the word size in byte */
232 int register_ioport_write(int start, int length, int size,
233 IOPortWriteFunc *func, void *opaque)
234 {
235 int i, bsize;
236
237 if (size == 1) {
238 bsize = 0;
239 } else if (size == 2) {
240 bsize = 1;
241 } else if (size == 4) {
242 bsize = 2;
243 } else {
244 hw_error("register_ioport_write: invalid size");
245 return -1;
246 }
247 for(i = start; i < start + length; i += size) {
248 ioport_write_table[bsize][i] = func;
249 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
250 hw_error("register_ioport_read: invalid opaque");
251 ioport_opaque[i] = opaque;
252 }
253 return 0;
254 }
255
256 void isa_unassign_ioport(int start, int length)
257 {
258 int i;
259
260 for(i = start; i < start + length; i++) {
261 ioport_read_table[0][i] = default_ioport_readb;
262 ioport_read_table[1][i] = default_ioport_readw;
263 ioport_read_table[2][i] = default_ioport_readl;
264
265 ioport_write_table[0][i] = default_ioport_writeb;
266 ioport_write_table[1][i] = default_ioport_writew;
267 ioport_write_table[2][i] = default_ioport_writel;
268 }
269 }
270
271 void pstrcpy(char *buf, int buf_size, const char *str)
272 {
273 int c;
274 char *q = buf;
275
276 if (buf_size <= 0)
277 return;
278
279 for(;;) {
280 c = *str++;
281 if (c == 0 || q >= buf + buf_size - 1)
282 break;
283 *q++ = c;
284 }
285 *q = '\0';
286 }
287
288 /* strcat and truncate. */
289 char *pstrcat(char *buf, int buf_size, const char *s)
290 {
291 int len;
292 len = strlen(buf);
293 if (len < buf_size)
294 pstrcpy(buf + len, buf_size - len, s);
295 return buf;
296 }
297
298 int strstart(const char *str, const char *val, const char **ptr)
299 {
300 const char *p, *q;
301 p = str;
302 q = val;
303 while (*q != '\0') {
304 if (*p != *q)
305 return 0;
306 p++;
307 q++;
308 }
309 if (ptr)
310 *ptr = p;
311 return 1;
312 }
313
314 /* return the size or -1 if error */
315 int get_image_size(const char *filename)
316 {
317 int fd, size;
318 fd = open(filename, O_RDONLY | O_BINARY);
319 if (fd < 0)
320 return -1;
321 size = lseek(fd, 0, SEEK_END);
322 close(fd);
323 return size;
324 }
325
326 /* return the size or -1 if error */
327 int load_image(const char *filename, uint8_t *addr)
328 {
329 int fd, size;
330 fd = open(filename, O_RDONLY | O_BINARY);
331 if (fd < 0)
332 return -1;
333 size = lseek(fd, 0, SEEK_END);
334 lseek(fd, 0, SEEK_SET);
335 if (read(fd, addr, size) != size) {
336 close(fd);
337 return -1;
338 }
339 close(fd);
340 return size;
341 }
342
343 void cpu_outb(CPUState *env, int addr, int val)
344 {
345 #ifdef DEBUG_IOPORT
346 if (loglevel & CPU_LOG_IOPORT)
347 fprintf(logfile, "outb: %04x %02x\n", addr, val);
348 #endif
349 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
350 }
351
352 void cpu_outw(CPUState *env, int addr, int val)
353 {
354 #ifdef DEBUG_IOPORT
355 if (loglevel & CPU_LOG_IOPORT)
356 fprintf(logfile, "outw: %04x %04x\n", addr, val);
357 #endif
358 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
359 }
360
361 void cpu_outl(CPUState *env, int addr, int val)
362 {
363 #ifdef DEBUG_IOPORT
364 if (loglevel & CPU_LOG_IOPORT)
365 fprintf(logfile, "outl: %04x %08x\n", addr, val);
366 #endif
367 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
368 }
369
370 int cpu_inb(CPUState *env, int addr)
371 {
372 int val;
373 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
374 #ifdef DEBUG_IOPORT
375 if (loglevel & CPU_LOG_IOPORT)
376 fprintf(logfile, "inb : %04x %02x\n", addr, val);
377 #endif
378 return val;
379 }
380
381 int cpu_inw(CPUState *env, int addr)
382 {
383 int val;
384 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
385 #ifdef DEBUG_IOPORT
386 if (loglevel & CPU_LOG_IOPORT)
387 fprintf(logfile, "inw : %04x %04x\n", addr, val);
388 #endif
389 return val;
390 }
391
392 int cpu_inl(CPUState *env, int addr)
393 {
394 int val;
395 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
396 #ifdef DEBUG_IOPORT
397 if (loglevel & CPU_LOG_IOPORT)
398 fprintf(logfile, "inl : %04x %08x\n", addr, val);
399 #endif
400 return val;
401 }
402
403 /***********************************************************/
404 void hw_error(const char *fmt, ...)
405 {
406 va_list ap;
407
408 va_start(ap, fmt);
409 fprintf(stderr, "qemu: hardware error: ");
410 vfprintf(stderr, fmt, ap);
411 fprintf(stderr, "\n");
412 #ifdef TARGET_I386
413 cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
414 #else
415 cpu_dump_state(global_env, stderr, fprintf, 0);
416 #endif
417 va_end(ap);
418 abort();
419 }
420
421 /***********************************************************/
422 /* keyboard/mouse */
423
424 static QEMUPutKBDEvent *qemu_put_kbd_event;
425 static void *qemu_put_kbd_event_opaque;
426 static QEMUPutMouseEvent *qemu_put_mouse_event;
427 static void *qemu_put_mouse_event_opaque;
428
429 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
430 {
431 qemu_put_kbd_event_opaque = opaque;
432 qemu_put_kbd_event = func;
433 }
434
435 void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
436 {
437 qemu_put_mouse_event_opaque = opaque;
438 qemu_put_mouse_event = func;
439 }
440
441 void kbd_put_keycode(int keycode)
442 {
443 if (qemu_put_kbd_event) {
444 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
445 }
446 }
447
448 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
449 {
450 if (qemu_put_mouse_event) {
451 qemu_put_mouse_event(qemu_put_mouse_event_opaque,
452 dx, dy, dz, buttons_state);
453 }
454 }
455
456 /***********************************************************/
457 /* timers */
458
459 #if defined(__powerpc__)
460
461 static inline uint32_t get_tbl(void)
462 {
463 uint32_t tbl;
464 asm volatile("mftb %0" : "=r" (tbl));
465 return tbl;
466 }
467
468 static inline uint32_t get_tbu(void)
469 {
470 uint32_t tbl;
471 asm volatile("mftbu %0" : "=r" (tbl));
472 return tbl;
473 }
474
475 int64_t cpu_get_real_ticks(void)
476 {
477 uint32_t l, h, h1;
478 /* NOTE: we test if wrapping has occurred */
479 do {
480 h = get_tbu();
481 l = get_tbl();
482 h1 = get_tbu();
483 } while (h != h1);
484 return ((int64_t)h << 32) | l;
485 }
486
487 #elif defined(__i386__)
488
489 int64_t cpu_get_real_ticks(void)
490 {
491 int64_t val;
492 asm volatile ("rdtsc" : "=A" (val));
493 return val;
494 }
495
496 #elif defined(__x86_64__)
497
498 int64_t cpu_get_real_ticks(void)
499 {
500 uint32_t low,high;
501 int64_t val;
502 asm volatile("rdtsc" : "=a" (low), "=d" (high));
503 val = high;
504 val <<= 32;
505 val |= low;
506 return val;
507 }
508
509 #else
510 #error unsupported CPU
511 #endif
512
513 static int64_t cpu_ticks_offset;
514 static int cpu_ticks_enabled;
515
516 static inline int64_t cpu_get_ticks(void)
517 {
518 if (!cpu_ticks_enabled) {
519 return cpu_ticks_offset;
520 } else {
521 return cpu_get_real_ticks() + cpu_ticks_offset;
522 }
523 }
524
525 /* enable cpu_get_ticks() */
526 void cpu_enable_ticks(void)
527 {
528 if (!cpu_ticks_enabled) {
529 cpu_ticks_offset -= cpu_get_real_ticks();
530 cpu_ticks_enabled = 1;
531 }
532 }
533
534 /* disable cpu_get_ticks() : the clock is stopped. You must not call
535 cpu_get_ticks() after that. */
536 void cpu_disable_ticks(void)
537 {
538 if (cpu_ticks_enabled) {
539 cpu_ticks_offset = cpu_get_ticks();
540 cpu_ticks_enabled = 0;
541 }
542 }
543
544 static int64_t get_clock(void)
545 {
546 #ifdef _WIN32
547 struct _timeb tb;
548 _ftime(&tb);
549 return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
550 #else
551 struct timeval tv;
552 gettimeofday(&tv, NULL);
553 return tv.tv_sec * 1000000LL + tv.tv_usec;
554 #endif
555 }
556
557 void cpu_calibrate_ticks(void)
558 {
559 int64_t usec, ticks;
560
561 usec = get_clock();
562 ticks = cpu_get_real_ticks();
563 #ifdef _WIN32
564 Sleep(50);
565 #else
566 usleep(50 * 1000);
567 #endif
568 usec = get_clock() - usec;
569 ticks = cpu_get_real_ticks() - ticks;
570 ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
571 }
572
573 /* compute with 96 bit intermediate result: (a*b)/c */
574 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
575 {
576 union {
577 uint64_t ll;
578 struct {
579 #ifdef WORDS_BIGENDIAN
580 uint32_t high, low;
581 #else
582 uint32_t low, high;
583 #endif
584 } l;
585 } u, res;
586 uint64_t rl, rh;
587
588 u.ll = a;
589 rl = (uint64_t)u.l.low * (uint64_t)b;
590 rh = (uint64_t)u.l.high * (uint64_t)b;
591 rh += (rl >> 32);
592 res.l.high = rh / c;
593 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
594 return res.ll;
595 }
596
597 #define QEMU_TIMER_REALTIME 0
598 #define QEMU_TIMER_VIRTUAL 1
599
600 struct QEMUClock {
601 int type;
602 /* XXX: add frequency */
603 };
604
605 struct QEMUTimer {
606 QEMUClock *clock;
607 int64_t expire_time;
608 QEMUTimerCB *cb;
609 void *opaque;
610 struct QEMUTimer *next;
611 };
612
613 QEMUClock *rt_clock;
614 QEMUClock *vm_clock;
615
616 static QEMUTimer *active_timers[2];
617 #ifdef _WIN32
618 static MMRESULT timerID;
619 #else
620 /* frequency of the times() clock tick */
621 static int timer_freq;
622 #endif
623
624 QEMUClock *qemu_new_clock(int type)
625 {
626 QEMUClock *clock;
627 clock = qemu_mallocz(sizeof(QEMUClock));
628 if (!clock)
629 return NULL;
630 clock->type = type;
631 return clock;
632 }
633
634 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
635 {
636 QEMUTimer *ts;
637
638 ts = qemu_mallocz(sizeof(QEMUTimer));
639 ts->clock = clock;
640 ts->cb = cb;
641 ts->opaque = opaque;
642 return ts;
643 }
644
645 void qemu_free_timer(QEMUTimer *ts)
646 {
647 qemu_free(ts);
648 }
649
650 /* stop a timer, but do not dealloc it */
651 void qemu_del_timer(QEMUTimer *ts)
652 {
653 QEMUTimer **pt, *t;
654
655 /* NOTE: this code must be signal safe because
656 qemu_timer_expired() can be called from a signal. */
657 pt = &active_timers[ts->clock->type];
658 for(;;) {
659 t = *pt;
660 if (!t)
661 break;
662 if (t == ts) {
663 *pt = t->next;
664 break;
665 }
666 pt = &t->next;
667 }
668 }
669
670 /* modify the current timer so that it will be fired when current_time
671 >= expire_time. The corresponding callback will be called. */
672 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
673 {
674 QEMUTimer **pt, *t;
675
676 qemu_del_timer(ts);
677
678 /* add the timer in the sorted list */
679 /* NOTE: this code must be signal safe because
680 qemu_timer_expired() can be called from a signal. */
681 pt = &active_timers[ts->clock->type];
682 for(;;) {
683 t = *pt;
684 if (!t)
685 break;
686 if (t->expire_time > expire_time)
687 break;
688 pt = &t->next;
689 }
690 ts->expire_time = expire_time;
691 ts->next = *pt;
692 *pt = ts;
693 }
694
695 int qemu_timer_pending(QEMUTimer *ts)
696 {
697 QEMUTimer *t;
698 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
699 if (t == ts)
700 return 1;
701 }
702 return 0;
703 }
704
705 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
706 {
707 if (!timer_head)
708 return 0;
709 return (timer_head->expire_time <= current_time);
710 }
711
712 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
713 {
714 QEMUTimer *ts;
715
716 for(;;) {
717 ts = *ptimer_head;
718 if (!ts || ts->expire_time > current_time)
719 break;
720 /* remove timer from the list before calling the callback */
721 *ptimer_head = ts->next;
722 ts->next = NULL;
723
724 /* run the callback (the timer list can be modified) */
725 ts->cb(ts->opaque);
726 }
727 }
728
729 int64_t qemu_get_clock(QEMUClock *clock)
730 {
731 switch(clock->type) {
732 case QEMU_TIMER_REALTIME:
733 #ifdef _WIN32
734 return GetTickCount();
735 #else
736 {
737 struct tms tp;
738
739 /* Note that using gettimeofday() is not a good solution
740 for timers because its value change when the date is
741 modified. */
742 if (timer_freq == 100) {
743 return times(&tp) * 10;
744 } else {
745 return ((int64_t)times(&tp) * 1000) / timer_freq;
746 }
747 }
748 #endif
749 default:
750 case QEMU_TIMER_VIRTUAL:
751 return cpu_get_ticks();
752 }
753 }
754
755 /* save a timer */
756 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
757 {
758 uint64_t expire_time;
759
760 if (qemu_timer_pending(ts)) {
761 expire_time = ts->expire_time;
762 } else {
763 expire_time = -1;
764 }
765 qemu_put_be64(f, expire_time);
766 }
767
768 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
769 {
770 uint64_t expire_time;
771
772 expire_time = qemu_get_be64(f);
773 if (expire_time != -1) {
774 qemu_mod_timer(ts, expire_time);
775 } else {
776 qemu_del_timer(ts);
777 }
778 }
779
780 static void timer_save(QEMUFile *f, void *opaque)
781 {
782 if (cpu_ticks_enabled) {
783 hw_error("cannot save state if virtual timers are running");
784 }
785 qemu_put_be64s(f, &cpu_ticks_offset);
786 qemu_put_be64s(f, &ticks_per_sec);
787 }
788
789 static int timer_load(QEMUFile *f, void *opaque, int version_id)
790 {
791 if (version_id != 1)
792 return -EINVAL;
793 if (cpu_ticks_enabled) {
794 return -EINVAL;
795 }
796 qemu_get_be64s(f, &cpu_ticks_offset);
797 qemu_get_be64s(f, &ticks_per_sec);
798 return 0;
799 }
800
801 #ifdef _WIN32
802 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
803 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
804 #else
805 static void host_alarm_handler(int host_signum)
806 #endif
807 {
808 #if 0
809 #define DISP_FREQ 1000
810 {
811 static int64_t delta_min = INT64_MAX;
812 static int64_t delta_max, delta_cum, last_clock, delta, ti;
813 static int count;
814 ti = qemu_get_clock(vm_clock);
815 if (last_clock != 0) {
816 delta = ti - last_clock;
817 if (delta < delta_min)
818 delta_min = delta;
819 if (delta > delta_max)
820 delta_max = delta;
821 delta_cum += delta;
822 if (++count == DISP_FREQ) {
823 printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
824 muldiv64(delta_min, 1000000, ticks_per_sec),
825 muldiv64(delta_max, 1000000, ticks_per_sec),
826 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
827 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
828 count = 0;
829 delta_min = INT64_MAX;
830 delta_max = 0;
831 delta_cum = 0;
832 }
833 }
834 last_clock = ti;
835 }
836 #endif
837 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
838 qemu_get_clock(vm_clock)) ||
839 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
840 qemu_get_clock(rt_clock))) {
841 /* stop the cpu because a timer occured */
842 cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
843 }
844 }
845
846 #ifndef _WIN32
847
848 #if defined(__linux__)
849
850 #define RTC_FREQ 1024
851
852 static int rtc_fd;
853
854 static int start_rtc_timer(void)
855 {
856 rtc_fd = open("/dev/rtc", O_RDONLY);
857 if (rtc_fd < 0)
858 return -1;
859 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
860 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
861 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
862 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
863 goto fail;
864 }
865 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
866 fail:
867 close(rtc_fd);
868 return -1;
869 }
870 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
871 return 0;
872 }
873
874 #else
875
876 static int start_rtc_timer(void)
877 {
878 return -1;
879 }
880
881 #endif /* !defined(__linux__) */
882
883 #endif /* !defined(_WIN32) */
884
885 static void init_timers(void)
886 {
887 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
888 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
889
890 #ifdef _WIN32
891 {
892 int count=0;
893 timerID = timeSetEvent(10, // interval (ms)
894 0, // resolution
895 host_alarm_handler, // function
896 (DWORD)&count, // user parameter
897 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
898 if( !timerID ) {
899 perror("failed timer alarm");
900 exit(1);
901 }
902 }
903 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
904 #else
905 {
906 struct sigaction act;
907 struct itimerval itv;
908
909 /* get times() syscall frequency */
910 timer_freq = sysconf(_SC_CLK_TCK);
911
912 /* timer signal */
913 sigfillset(&act.sa_mask);
914 act.sa_flags = 0;
915 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
916 act.sa_flags |= SA_ONSTACK;
917 #endif
918 act.sa_handler = host_alarm_handler;
919 sigaction(SIGALRM, &act, NULL);
920
921 itv.it_interval.tv_sec = 0;
922 itv.it_interval.tv_usec = 1000;
923 itv.it_value.tv_sec = 0;
924 itv.it_value.tv_usec = 10 * 1000;
925 setitimer(ITIMER_REAL, &itv, NULL);
926 /* we probe the tick duration of the kernel to inform the user if
927 the emulated kernel requested a too high timer frequency */
928 getitimer(ITIMER_REAL, &itv);
929
930 #if defined(__linux__)
931 if (itv.it_interval.tv_usec > 1000) {
932 /* try to use /dev/rtc to have a faster timer */
933 if (start_rtc_timer() < 0)
934 goto use_itimer;
935 /* disable itimer */
936 itv.it_interval.tv_sec = 0;
937 itv.it_interval.tv_usec = 0;
938 itv.it_value.tv_sec = 0;
939 itv.it_value.tv_usec = 0;
940 setitimer(ITIMER_REAL, &itv, NULL);
941
942 /* use the RTC */
943 sigaction(SIGIO, &act, NULL);
944 fcntl(rtc_fd, F_SETFL, O_ASYNC);
945 fcntl(rtc_fd, F_SETOWN, getpid());
946 } else
947 #endif /* defined(__linux__) */
948 {
949 use_itimer:
950 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
951 PIT_FREQ) / 1000000;
952 }
953 }
954 #endif
955 }
956
957 void quit_timers(void)
958 {
959 #ifdef _WIN32
960 timeKillEvent(timerID);
961 #endif
962 }
963
964 /***********************************************************/
965 /* character device */
966
967 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
968 {
969 return s->chr_write(s, buf, len);
970 }
971
972 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
973 {
974 char buf[4096];
975 va_list ap;
976 va_start(ap, fmt);
977 vsnprintf(buf, sizeof(buf), fmt, ap);
978 qemu_chr_write(s, buf, strlen(buf));
979 va_end(ap);
980 }
981
982 void qemu_chr_send_event(CharDriverState *s, int event)
983 {
984 if (s->chr_send_event)
985 s->chr_send_event(s, event);
986 }
987
988 void qemu_chr_add_read_handler(CharDriverState *s,
989 IOCanRWHandler *fd_can_read,
990 IOReadHandler *fd_read, void *opaque)
991 {
992 s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
993 }
994
995 void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
996 {
997 s->chr_event = chr_event;
998 }
999
1000 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1001 {
1002 return len;
1003 }
1004
1005 static void null_chr_add_read_handler(CharDriverState *chr,
1006 IOCanRWHandler *fd_can_read,
1007 IOReadHandler *fd_read, void *opaque)
1008 {
1009 }
1010
1011 CharDriverState *qemu_chr_open_null(void)
1012 {
1013 CharDriverState *chr;
1014
1015 chr = qemu_mallocz(sizeof(CharDriverState));
1016 if (!chr)
1017 return NULL;
1018 chr->chr_write = null_chr_write;
1019 chr->chr_add_read_handler = null_chr_add_read_handler;
1020 return chr;
1021 }
1022
1023 #ifndef _WIN32
1024
1025 typedef struct {
1026 int fd_in, fd_out;
1027 /* for nographic stdio only */
1028 IOCanRWHandler *fd_can_read;
1029 IOReadHandler *fd_read;
1030 void *fd_opaque;
1031 } FDCharDriver;
1032
1033 #define STDIO_MAX_CLIENTS 2
1034
1035 static int stdio_nb_clients;
1036 static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
1037
1038 static int unix_write(int fd, const uint8_t *buf, int len1)
1039 {
1040 int ret, len;
1041
1042 len = len1;
1043 while (len > 0) {
1044 ret = write(fd, buf, len);
1045 if (ret < 0) {
1046 if (errno != EINTR && errno != EAGAIN)
1047 return -1;
1048 } else if (ret == 0) {
1049 break;
1050 } else {
1051 buf += ret;
1052 len -= ret;
1053 }
1054 }
1055 return len1 - len;
1056 }
1057
1058 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1059 {
1060 FDCharDriver *s = chr->opaque;
1061 return unix_write(s->fd_out, buf, len);
1062 }
1063
1064 static void fd_chr_add_read_handler(CharDriverState *chr,
1065 IOCanRWHandler *fd_can_read,
1066 IOReadHandler *fd_read, void *opaque)
1067 {
1068 FDCharDriver *s = chr->opaque;
1069
1070 if (nographic && s->fd_in == 0) {
1071 s->fd_can_read = fd_can_read;
1072 s->fd_read = fd_read;
1073 s->fd_opaque = opaque;
1074 } else {
1075 qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
1076 }
1077 }
1078
1079 /* open a character device to a unix fd */
1080 CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1081 {
1082 CharDriverState *chr;
1083 FDCharDriver *s;
1084
1085 chr = qemu_mallocz(sizeof(CharDriverState));
1086 if (!chr)
1087 return NULL;
1088 s = qemu_mallocz(sizeof(FDCharDriver));
1089 if (!s) {
1090 free(chr);
1091 return NULL;
1092 }
1093 s->fd_in = fd_in;
1094 s->fd_out = fd_out;
1095 chr->opaque = s;
1096 chr->chr_write = fd_chr_write;
1097 chr->chr_add_read_handler = fd_chr_add_read_handler;
1098 return chr;
1099 }
1100
1101 /* for STDIO, we handle the case where several clients use it
1102 (nographic mode) */
1103
1104 #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
1105
1106 static int term_got_escape, client_index;
1107
1108 void term_print_help(void)
1109 {
1110 printf("\n"
1111 "C-a h print this help\n"
1112 "C-a x exit emulator\n"
1113 "C-a s save disk data back to file (if -snapshot)\n"
1114 "C-a b send break (magic sysrq)\n"
1115 "C-a c switch between console and monitor\n"
1116 "C-a C-a send C-a\n"
1117 );
1118 }
1119
1120 /* called when a char is received */
1121 static void stdio_received_byte(int ch)
1122 {
1123 if (term_got_escape) {
1124 term_got_escape = 0;
1125 switch(ch) {
1126 case 'h':
1127 term_print_help();
1128 break;
1129 case 'x':
1130 exit(0);
1131 break;
1132 case 's':
1133 {
1134 int i;
1135 for (i = 0; i < MAX_DISKS; i++) {
1136 if (bs_table[i])
1137 bdrv_commit(bs_table[i]);
1138 }
1139 }
1140 break;
1141 case 'b':
1142 if (client_index < stdio_nb_clients) {
1143 CharDriverState *chr;
1144 FDCharDriver *s;
1145
1146 chr = stdio_clients[client_index];
1147 s = chr->opaque;
1148 chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
1149 }
1150 break;
1151 case 'c':
1152 client_index++;
1153 if (client_index >= stdio_nb_clients)
1154 client_index = 0;
1155 if (client_index == 0) {
1156 /* send a new line in the monitor to get the prompt */
1157 ch = '\r';
1158 goto send_char;
1159 }
1160 break;
1161 case TERM_ESCAPE:
1162 goto send_char;
1163 }
1164 } else if (ch == TERM_ESCAPE) {
1165 term_got_escape = 1;
1166 } else {
1167 send_char:
1168 if (client_index < stdio_nb_clients) {
1169 uint8_t buf[1];
1170 CharDriverState *chr;
1171 FDCharDriver *s;
1172
1173 chr = stdio_clients[client_index];
1174 s = chr->opaque;
1175 buf[0] = ch;
1176 /* XXX: should queue the char if the device is not
1177 ready */
1178 if (s->fd_can_read(s->fd_opaque) > 0)
1179 s->fd_read(s->fd_opaque, buf, 1);
1180 }
1181 }
1182 }
1183
1184 static int stdio_can_read(void *opaque)
1185 {
1186 /* XXX: not strictly correct */
1187 return 1;
1188 }
1189
1190 static void stdio_read(void *opaque, const uint8_t *buf, int size)
1191 {
1192 int i;
1193 for(i = 0; i < size; i++)
1194 stdio_received_byte(buf[i]);
1195 }
1196
1197 /* init terminal so that we can grab keys */
1198 static struct termios oldtty;
1199 static int old_fd0_flags;
1200
1201 static void term_exit(void)
1202 {
1203 tcsetattr (0, TCSANOW, &oldtty);
1204 fcntl(0, F_SETFL, old_fd0_flags);
1205 }
1206
1207 static void term_init(void)
1208 {
1209 struct termios tty;
1210
1211 tcgetattr (0, &tty);
1212 oldtty = tty;
1213 old_fd0_flags = fcntl(0, F_GETFL);
1214
1215 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1216 |INLCR|IGNCR|ICRNL|IXON);
1217 tty.c_oflag |= OPOST;
1218 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1219 /* if graphical mode, we allow Ctrl-C handling */
1220 if (nographic)
1221 tty.c_lflag &= ~ISIG;
1222 tty.c_cflag &= ~(CSIZE|PARENB);
1223 tty.c_cflag |= CS8;
1224 tty.c_cc[VMIN] = 1;
1225 tty.c_cc[VTIME] = 0;
1226
1227 tcsetattr (0, TCSANOW, &tty);
1228
1229 atexit(term_exit);
1230
1231 fcntl(0, F_SETFL, O_NONBLOCK);
1232 }
1233
1234 CharDriverState *qemu_chr_open_stdio(void)
1235 {
1236 CharDriverState *chr;
1237
1238 if (nographic) {
1239 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1240 return NULL;
1241 chr = qemu_chr_open_fd(0, 1);
1242 if (stdio_nb_clients == 0)
1243 qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
1244 client_index = stdio_nb_clients;
1245 } else {
1246 if (stdio_nb_clients != 0)
1247 return NULL;
1248 chr = qemu_chr_open_fd(0, 1);
1249 }
1250 stdio_clients[stdio_nb_clients++] = chr;
1251 if (stdio_nb_clients == 1) {
1252 /* set the terminal in raw mode */
1253 term_init();
1254 }
1255 return chr;
1256 }
1257
1258 #if defined(__linux__)
1259 CharDriverState *qemu_chr_open_pty(void)
1260 {
1261 char slave_name[1024];
1262 int master_fd, slave_fd;
1263
1264 /* Not satisfying */
1265 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1266 return NULL;
1267 }
1268 fprintf(stderr, "char device redirected to %s\n", slave_name);
1269 return qemu_chr_open_fd(master_fd, master_fd);
1270 }
1271 #else
1272 CharDriverState *qemu_chr_open_pty(void)
1273 {
1274 return NULL;
1275 }
1276 #endif
1277
1278 #endif /* !defined(_WIN32) */
1279
1280 CharDriverState *qemu_chr_open(const char *filename)
1281 {
1282 if (!strcmp(filename, "vc")) {
1283 return text_console_init(&display_state);
1284 } else if (!strcmp(filename, "null")) {
1285 return qemu_chr_open_null();
1286 } else
1287 #ifndef _WIN32
1288 if (!strcmp(filename, "pty")) {
1289 return qemu_chr_open_pty();
1290 } else if (!strcmp(filename, "stdio")) {
1291 return qemu_chr_open_stdio();
1292 } else
1293 #endif
1294 {
1295 return NULL;
1296 }
1297 }
1298
1299 /***********************************************************/
1300 /* Linux network device redirectors */
1301
1302 void hex_dump(FILE *f, const uint8_t *buf, int size)
1303 {
1304 int len, i, j, c;
1305
1306 for(i=0;i<size;i+=16) {
1307 len = size - i;
1308 if (len > 16)
1309 len = 16;
1310 fprintf(f, "%08x ", i);
1311 for(j=0;j<16;j++) {
1312 if (j < len)
1313 fprintf(f, " %02x", buf[i+j]);
1314 else
1315 fprintf(f, " ");
1316 }
1317 fprintf(f, " ");
1318 for(j=0;j<len;j++) {
1319 c = buf[i+j];
1320 if (c < ' ' || c > '~')
1321 c = '.';
1322 fprintf(f, "%c", c);
1323 }
1324 fprintf(f, "\n");
1325 }
1326 }
1327
1328 void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1329 {
1330 nd->send_packet(nd, buf, size);
1331 }
1332
1333 void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
1334 IOReadHandler *fd_read, void *opaque)
1335 {
1336 nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
1337 }
1338
1339 /* dummy network adapter */
1340
1341 static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1342 {
1343 }
1344
1345 static void dummy_add_read_packet(NetDriverState *nd,
1346 IOCanRWHandler *fd_can_read,
1347 IOReadHandler *fd_read, void *opaque)
1348 {
1349 }
1350
1351 static int net_dummy_init(NetDriverState *nd)
1352 {
1353 nd->send_packet = dummy_send_packet;
1354 nd->add_read_packet = dummy_add_read_packet;
1355 pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
1356 return 0;
1357 }
1358
1359 #if defined(CONFIG_SLIRP)
1360
1361 /* slirp network adapter */
1362
1363 static void *slirp_fd_opaque;
1364 static IOCanRWHandler *slirp_fd_can_read;
1365 static IOReadHandler *slirp_fd_read;
1366 static int slirp_inited;
1367
1368 int slirp_can_output(void)
1369 {
1370 return slirp_fd_can_read(slirp_fd_opaque);
1371 }
1372
1373 void slirp_output(const uint8_t *pkt, int pkt_len)
1374 {
1375 #if 0
1376 printf("output:\n");
1377 hex_dump(stdout, pkt, pkt_len);
1378 #endif
1379 slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
1380 }
1381
1382 static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1383 {
1384 #if 0
1385 printf("input:\n");
1386 hex_dump(stdout, buf, size);
1387 #endif
1388 slirp_input(buf, size);
1389 }
1390
1391 static void slirp_add_read_packet(NetDriverState *nd,
1392 IOCanRWHandler *fd_can_read,
1393 IOReadHandler *fd_read, void *opaque)
1394 {
1395 slirp_fd_opaque = opaque;
1396 slirp_fd_can_read = fd_can_read;
1397 slirp_fd_read = fd_read;
1398 }
1399
1400 static int net_slirp_init(NetDriverState *nd)
1401 {
1402 if (!slirp_inited) {
1403 slirp_inited = 1;
1404 slirp_init();
1405 }
1406 nd->send_packet = slirp_send_packet;
1407 nd->add_read_packet = slirp_add_read_packet;
1408 pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
1409 return 0;
1410 }
1411
1412 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
1413 {
1414 const char *p, *p1;
1415 int len;
1416 p = *pp;
1417 p1 = strchr(p, sep);
1418 if (!p1)
1419 return -1;
1420 len = p1 - p;
1421 p1++;
1422 if (buf_size > 0) {
1423 if (len > buf_size - 1)
1424 len = buf_size - 1;
1425 memcpy(buf, p, len);
1426 buf[len] = '\0';
1427 }
1428 *pp = p1;
1429 return 0;
1430 }
1431
1432 static void net_slirp_redir(const char *redir_str)
1433 {
1434 int is_udp;
1435 char buf[256], *r;
1436 const char *p;
1437 struct in_addr guest_addr;
1438 int host_port, guest_port;
1439
1440 if (!slirp_inited) {
1441 slirp_inited = 1;
1442 slirp_init();
1443 }
1444
1445 p = redir_str;
1446 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1447 goto fail;
1448 if (!strcmp(buf, "tcp")) {
1449 is_udp = 0;
1450 } else if (!strcmp(buf, "udp")) {
1451 is_udp = 1;
1452 } else {
1453 goto fail;
1454 }
1455
1456 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1457 goto fail;
1458 host_port = strtol(buf, &r, 0);
1459 if (r == buf)
1460 goto fail;
1461
1462 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
1463 goto fail;
1464 if (buf[0] == '\0') {
1465 pstrcpy(buf, sizeof(buf), "10.0.2.15");
1466 }
1467 if (!inet_aton(buf, &guest_addr))
1468 goto fail;
1469
1470 guest_port = strtol(p, &r, 0);
1471 if (r == p)
1472 goto fail;
1473
1474 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
1475 fprintf(stderr, "qemu: could not set up redirection\n");
1476 exit(1);
1477 }
1478 return;
1479 fail:
1480 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
1481 exit(1);
1482 }
1483
1484 #ifndef _WIN32
1485
1486 char smb_dir[1024];
1487
1488 static void smb_exit(void)
1489 {
1490 DIR *d;
1491 struct dirent *de;
1492 char filename[1024];
1493
1494 /* erase all the files in the directory */
1495 d = opendir(smb_dir);
1496 for(;;) {
1497 de = readdir(d);
1498 if (!de)
1499 break;
1500 if (strcmp(de->d_name, ".") != 0 &&
1501 strcmp(de->d_name, "..") != 0) {
1502 snprintf(filename, sizeof(filename), "%s/%s",
1503 smb_dir, de->d_name);
1504 unlink(filename);
1505 }
1506 }
1507 closedir(d);
1508 rmdir(smb_dir);
1509 }
1510
1511 /* automatic user mode samba server configuration */
1512 void net_slirp_smb(const char *exported_dir)
1513 {
1514 char smb_conf[1024];
1515 char smb_cmdline[1024];
1516 FILE *f;
1517
1518 if (!slirp_inited) {
1519 slirp_inited = 1;
1520 slirp_init();
1521 }
1522
1523 /* XXX: better tmp dir construction */
1524 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
1525 if (mkdir(smb_dir, 0700) < 0) {
1526 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
1527 exit(1);
1528 }
1529 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
1530
1531 f = fopen(smb_conf, "w");
1532 if (!f) {
1533 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
1534 exit(1);
1535 }
1536 fprintf(f,
1537 "[global]\n"
1538 "pid directory=%s\n"
1539 "lock directory=%s\n"
1540 "log file=%s/log.smbd\n"
1541 "smb passwd file=%s/smbpasswd\n"
1542 "security = share\n"
1543 "[qemu]\n"
1544 "path=%s\n"
1545 "read only=no\n"
1546 "guest ok=yes\n",
1547 smb_dir,
1548 smb_dir,
1549 smb_dir,
1550 smb_dir,
1551 exported_dir
1552 );
1553 fclose(f);
1554 atexit(smb_exit);
1555
1556 snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
1557 smb_conf);
1558
1559 slirp_add_exec(0, smb_cmdline, 4, 139);
1560 }
1561
1562 #endif /* !defined(_WIN32) */
1563
1564 #endif /* CONFIG_SLIRP */
1565
1566 #if !defined(_WIN32)
1567 #ifdef _BSD
1568 static int tun_open(char *ifname, int ifname_size)
1569 {
1570 int fd;
1571 char *dev;
1572 struct stat s;
1573
1574 fd = open("/dev/tap", O_RDWR);
1575 if (fd < 0) {
1576 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
1577 return -1;
1578 }
1579
1580 fstat(fd, &s);
1581 dev = devname(s.st_rdev, S_IFCHR);
1582 pstrcpy(ifname, ifname_size, dev);
1583
1584 fcntl(fd, F_SETFL, O_NONBLOCK);
1585 return fd;
1586 }
1587 #else
1588 static int tun_open(char *ifname, int ifname_size)
1589 {
1590 struct ifreq ifr;
1591 int fd, ret;
1592
1593 fd = open("/dev/net/tun", O_RDWR);
1594 if (fd < 0) {
1595 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1596 return -1;
1597 }
1598 memset(&ifr, 0, sizeof(ifr));
1599 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
1600 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
1601 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
1602 if (ret != 0) {
1603 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1604 close(fd);
1605 return -1;
1606 }
1607 printf("Connected to host network interface: %s\n", ifr.ifr_name);
1608 pstrcpy(ifname, ifname_size, ifr.ifr_name);
1609 fcntl(fd, F_SETFL, O_NONBLOCK);
1610 return fd;
1611 }
1612 #endif
1613
1614 static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
1615 {
1616 write(nd->fd, buf, size);
1617 }
1618
1619 static void tun_add_read_packet(NetDriverState *nd,
1620 IOCanRWHandler *fd_can_read,
1621 IOReadHandler *fd_read, void *opaque)
1622 {
1623 qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
1624 }
1625
1626 static int net_tun_init(NetDriverState *nd)
1627 {
1628 int pid, status;
1629 char *args[3];
1630 char **parg;
1631
1632 nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
1633 if (nd->fd < 0)
1634 return -1;
1635
1636 /* try to launch network init script */
1637 pid = fork();
1638 if (pid >= 0) {
1639 if (pid == 0) {
1640 parg = args;
1641 *parg++ = network_script;
1642 *parg++ = nd->ifname;
1643 *parg++ = NULL;
1644 execv(network_script, args);
1645 exit(1);
1646 }
1647 while (waitpid(pid, &status, 0) != pid);
1648 if (!WIFEXITED(status) ||
1649 WEXITSTATUS(status) != 0) {
1650 fprintf(stderr, "%s: could not launch network script\n",
1651 network_script);
1652 }
1653 }
1654 nd->send_packet = tun_send_packet;
1655 nd->add_read_packet = tun_add_read_packet;
1656 return 0;
1657 }
1658
1659 static int net_fd_init(NetDriverState *nd, int fd)
1660 {
1661 nd->fd = fd;
1662 nd->send_packet = tun_send_packet;
1663 nd->add_read_packet = tun_add_read_packet;
1664 pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
1665 return 0;
1666 }
1667
1668 #endif /* !_WIN32 */
1669
1670 /***********************************************************/
1671 /* pid file */
1672
1673 static char *pid_filename;
1674
1675 /* Remove PID file. Called on normal exit */
1676
1677 static void remove_pidfile(void)
1678 {
1679 unlink (pid_filename);
1680 }
1681
1682 static void create_pidfile(const char *filename)
1683 {
1684 struct stat pidstat;
1685 FILE *f;
1686
1687 /* Try to write our PID to the named file */
1688 if (stat(filename, &pidstat) < 0) {
1689 if (errno == ENOENT) {
1690 if ((f = fopen (filename, "w")) == NULL) {
1691 perror("Opening pidfile");
1692 exit(1);
1693 }
1694 fprintf(f, "%d\n", getpid());
1695 fclose(f);
1696 pid_filename = qemu_strdup(filename);
1697 if (!pid_filename) {
1698 fprintf(stderr, "Could not save PID filename");
1699 exit(1);
1700 }
1701 atexit(remove_pidfile);
1702 }
1703 } else {
1704 fprintf(stderr, "%s already exists. Remove it and try again.\n",
1705 filename);
1706 exit(1);
1707 }
1708 }
1709
1710 /***********************************************************/
1711 /* dumb display */
1712
1713 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
1714 {
1715 }
1716
1717 static void dumb_resize(DisplayState *ds, int w, int h)
1718 {
1719 }
1720
1721 static void dumb_refresh(DisplayState *ds)
1722 {
1723 vga_update_display();
1724 }
1725
1726 void dumb_display_init(DisplayState *ds)
1727 {
1728 ds->data = NULL;
1729 ds->linesize = 0;
1730 ds->depth = 0;
1731 ds->dpy_update = dumb_update;
1732 ds->dpy_resize = dumb_resize;
1733 ds->dpy_refresh = dumb_refresh;
1734 }
1735
1736 #if !defined(CONFIG_SOFTMMU)
1737 /***********************************************************/
1738 /* cpu signal handler */
1739 static void host_segv_handler(int host_signum, siginfo_t *info,
1740 void *puc)
1741 {
1742 if (cpu_signal_handler(host_signum, info, puc))
1743 return;
1744 if (stdio_nb_clients > 0)
1745 term_exit();
1746 abort();
1747 }
1748 #endif
1749
1750 /***********************************************************/
1751 /* I/O handling */
1752
1753 #define MAX_IO_HANDLERS 64
1754
1755 typedef struct IOHandlerRecord {
1756 int fd;
1757 IOCanRWHandler *fd_can_read;
1758 IOReadHandler *fd_read;
1759 void *opaque;
1760 /* temporary data */
1761 struct pollfd *ufd;
1762 int max_size;
1763 struct IOHandlerRecord *next;
1764 } IOHandlerRecord;
1765
1766 static IOHandlerRecord *first_io_handler;
1767
1768 int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
1769 IOReadHandler *fd_read, void *opaque)
1770 {
1771 IOHandlerRecord *ioh;
1772
1773 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1774 if (!ioh)
1775 return -1;
1776 ioh->fd = fd;
1777 ioh->fd_can_read = fd_can_read;
1778 ioh->fd_read = fd_read;
1779 ioh->opaque = opaque;
1780 ioh->next = first_io_handler;
1781 first_io_handler = ioh;
1782 return 0;
1783 }
1784
1785 void qemu_del_fd_read_handler(int fd)
1786 {
1787 IOHandlerRecord **pioh, *ioh;
1788
1789 pioh = &first_io_handler;
1790 for(;;) {
1791 ioh = *pioh;
1792 if (ioh == NULL)
1793 break;
1794 if (ioh->fd == fd) {
1795 *pioh = ioh->next;
1796 break;
1797 }
1798 pioh = &ioh->next;
1799 }
1800 }
1801
1802 /***********************************************************/
1803 /* savevm/loadvm support */
1804
1805 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
1806 {
1807 fwrite(buf, 1, size, f);
1808 }
1809
1810 void qemu_put_byte(QEMUFile *f, int v)
1811 {
1812 fputc(v, f);
1813 }
1814
1815 void qemu_put_be16(QEMUFile *f, unsigned int v)
1816 {
1817 qemu_put_byte(f, v >> 8);
1818 qemu_put_byte(f, v);
1819 }
1820
1821 void qemu_put_be32(QEMUFile *f, unsigned int v)
1822 {
1823 qemu_put_byte(f, v >> 24);
1824 qemu_put_byte(f, v >> 16);
1825 qemu_put_byte(f, v >> 8);
1826 qemu_put_byte(f, v);
1827 }
1828
1829 void qemu_put_be64(QEMUFile *f, uint64_t v)
1830 {
1831 qemu_put_be32(f, v >> 32);
1832 qemu_put_be32(f, v);
1833 }
1834
1835 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
1836 {
1837 return fread(buf, 1, size, f);
1838 }
1839
1840 int qemu_get_byte(QEMUFile *f)
1841 {
1842 int v;
1843 v = fgetc(f);
1844 if (v == EOF)
1845 return 0;
1846 else
1847 return v;
1848 }
1849
1850 unsigned int qemu_get_be16(QEMUFile *f)
1851 {
1852 unsigned int v;
1853 v = qemu_get_byte(f) << 8;
1854 v |= qemu_get_byte(f);
1855 return v;
1856 }
1857
1858 unsigned int qemu_get_be32(QEMUFile *f)
1859 {
1860 unsigned int v;
1861 v = qemu_get_byte(f) << 24;
1862 v |= qemu_get_byte(f) << 16;
1863 v |= qemu_get_byte(f) << 8;
1864 v |= qemu_get_byte(f);
1865 return v;
1866 }
1867
1868 uint64_t qemu_get_be64(QEMUFile *f)
1869 {
1870 uint64_t v;
1871 v = (uint64_t)qemu_get_be32(f) << 32;
1872 v |= qemu_get_be32(f);
1873 return v;
1874 }
1875
1876 int64_t qemu_ftell(QEMUFile *f)
1877 {
1878 return ftell(f);
1879 }
1880
1881 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
1882 {
1883 if (fseek(f, pos, whence) < 0)
1884 return -1;
1885 return ftell(f);
1886 }
1887
1888 typedef struct SaveStateEntry {
1889 char idstr[256];
1890 int instance_id;
1891 int version_id;
1892 SaveStateHandler *save_state;
1893 LoadStateHandler *load_state;
1894 void *opaque;
1895 struct SaveStateEntry *next;
1896 } SaveStateEntry;
1897
1898 static SaveStateEntry *first_se;
1899
1900 int register_savevm(const char *idstr,
1901 int instance_id,
1902 int version_id,
1903 SaveStateHandler *save_state,
1904 LoadStateHandler *load_state,
1905 void *opaque)
1906 {
1907 SaveStateEntry *se, **pse;
1908
1909 se = qemu_malloc(sizeof(SaveStateEntry));
1910 if (!se)
1911 return -1;
1912 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
1913 se->instance_id = instance_id;
1914 se->version_id = version_id;
1915 se->save_state = save_state;
1916 se->load_state = load_state;
1917 se->opaque = opaque;
1918 se->next = NULL;
1919
1920 /* add at the end of list */
1921 pse = &first_se;
1922 while (*pse != NULL)
1923 pse = &(*pse)->next;
1924 *pse = se;
1925 return 0;
1926 }
1927
1928 #define QEMU_VM_FILE_MAGIC 0x5145564d
1929 #define QEMU_VM_FILE_VERSION 0x00000001
1930
1931 int qemu_savevm(const char *filename)
1932 {
1933 SaveStateEntry *se;
1934 QEMUFile *f;
1935 int len, len_pos, cur_pos, saved_vm_running, ret;
1936
1937 saved_vm_running = vm_running;
1938 vm_stop(0);
1939
1940 f = fopen(filename, "wb");
1941 if (!f) {
1942 ret = -1;
1943 goto the_end;
1944 }
1945
1946 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
1947 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
1948
1949 for(se = first_se; se != NULL; se = se->next) {
1950 /* ID string */
1951 len = strlen(se->idstr);
1952 qemu_put_byte(f, len);
1953 qemu_put_buffer(f, se->idstr, len);
1954
1955 qemu_put_be32(f, se->instance_id);
1956 qemu_put_be32(f, se->version_id);
1957
1958 /* record size: filled later */
1959 len_pos = ftell(f);
1960 qemu_put_be32(f, 0);
1961
1962 se->save_state(f, se->opaque);
1963
1964 /* fill record size */
1965 cur_pos = ftell(f);
1966 len = ftell(f) - len_pos - 4;
1967 fseek(f, len_pos, SEEK_SET);
1968 qemu_put_be32(f, len);
1969 fseek(f, cur_pos, SEEK_SET);
1970 }
1971
1972 fclose(f);
1973 ret = 0;
1974 the_end:
1975 if (saved_vm_running)
1976 vm_start();
1977 return ret;
1978 }
1979
1980 static SaveStateEntry *find_se(const char *idstr, int instance_id)
1981 {
1982 SaveStateEntry *se;
1983
1984 for(se = first_se; se != NULL; se = se->next) {
1985 if (!strcmp(se->idstr, idstr) &&
1986 instance_id == se->instance_id)
1987 return se;
1988 }
1989 return NULL;
1990 }
1991
1992 int qemu_loadvm(const char *filename)
1993 {
1994 SaveStateEntry *se;
1995 QEMUFile *f;
1996 int len, cur_pos, ret, instance_id, record_len, version_id;
1997 int saved_vm_running;
1998 unsigned int v;
1999 char idstr[256];
2000
2001 saved_vm_running = vm_running;
2002 vm_stop(0);
2003
2004 f = fopen(filename, "rb");
2005 if (!f) {
2006 ret = -1;
2007 goto the_end;
2008 }
2009
2010 v = qemu_get_be32(f);
2011 if (v != QEMU_VM_FILE_MAGIC)
2012 goto fail;
2013 v = qemu_get_be32(f);
2014 if (v != QEMU_VM_FILE_VERSION) {
2015 fail:
2016 fclose(f);
2017 ret = -1;
2018 goto the_end;
2019 }
2020 for(;;) {
2021 #if defined (DO_TB_FLUSH)
2022 tb_flush(global_env);
2023 #endif
2024 len = qemu_get_byte(f);
2025 if (feof(f))
2026 break;
2027 qemu_get_buffer(f, idstr, len);
2028 idstr[len] = '\0';
2029 instance_id = qemu_get_be32(f);
2030 version_id = qemu_get_be32(f);
2031 record_len = qemu_get_be32(f);
2032 #if 0
2033 printf("idstr=%s instance=0x%x version=%d len=%d\n",
2034 idstr, instance_id, version_id, record_len);
2035 #endif
2036 cur_pos = ftell(f);
2037 se = find_se(idstr, instance_id);
2038 if (!se) {
2039 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
2040 instance_id, idstr);
2041 } else {
2042 ret = se->load_state(f, se->opaque, version_id);
2043 if (ret < 0) {
2044 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
2045 instance_id, idstr);
2046 }
2047 }
2048 /* always seek to exact end of record */
2049 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
2050 }
2051 fclose(f);
2052 ret = 0;
2053 the_end:
2054 if (saved_vm_running)
2055 vm_start();
2056 return ret;
2057 }
2058
2059 /***********************************************************/
2060 /* cpu save/restore */
2061
2062 #if defined(TARGET_I386)
2063
2064 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
2065 {
2066 qemu_put_be32(f, dt->selector);
2067 qemu_put_be32(f, (uint32_t)dt->base);
2068 qemu_put_be32(f, dt->limit);
2069 qemu_put_be32(f, dt->flags);
2070 }
2071
2072 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
2073 {
2074 dt->selector = qemu_get_be32(f);
2075 dt->base = (uint8_t *)qemu_get_be32(f);
2076 dt->limit = qemu_get_be32(f);
2077 dt->flags = qemu_get_be32(f);
2078 }
2079
2080 void cpu_save(QEMUFile *f, void *opaque)
2081 {
2082 CPUState *env = opaque;
2083 uint16_t fptag, fpus, fpuc;
2084 uint32_t hflags;
2085 int i;
2086
2087 for(i = 0; i < 8; i++)
2088 qemu_put_be32s(f, &env->regs[i]);
2089 qemu_put_be32s(f, &env->eip);
2090 qemu_put_be32s(f, &env->eflags);
2091 qemu_put_be32s(f, &env->eflags);
2092 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
2093 qemu_put_be32s(f, &hflags);
2094
2095 /* FPU */
2096 fpuc = env->fpuc;
2097 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
2098 fptag = 0;
2099 for (i=7; i>=0; i--) {
2100 fptag <<= 2;
2101 if (env->fptags[i]) {
2102 fptag |= 3;
2103 }
2104 }
2105
2106 qemu_put_be16s(f, &fpuc);
2107 qemu_put_be16s(f, &fpus);
2108 qemu_put_be16s(f, &fptag);
2109
2110 for(i = 0; i < 8; i++) {
2111 uint64_t mant;
2112 uint16_t exp;
2113 cpu_get_fp80(&mant, &exp, env->fpregs[i]);
2114 qemu_put_be64(f, mant);
2115 qemu_put_be16(f, exp);
2116 }
2117
2118 for(i = 0; i < 6; i++)
2119 cpu_put_seg(f, &env->segs[i]);
2120 cpu_put_seg(f, &env->ldt);
2121 cpu_put_seg(f, &env->tr);
2122 cpu_put_seg(f, &env->gdt);
2123 cpu_put_seg(f, &env->idt);
2124
2125 qemu_put_be32s(f, &env->sysenter_cs);
2126 qemu_put_be32s(f, &env->sysenter_esp);
2127 qemu_put_be32s(f, &env->sysenter_eip);
2128
2129 qemu_put_be32s(f, &env->cr[0]);
2130 qemu_put_be32s(f, &env->cr[2]);
2131 qemu_put_be32s(f, &env->cr[3]);
2132 qemu_put_be32s(f, &env->cr[4]);
2133
2134 for(i = 0; i < 8; i++)
2135 qemu_put_be32s(f, &env->dr[i]);
2136
2137 /* MMU */
2138 qemu_put_be32s(f, &env->a20_mask);
2139 }
2140
2141 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2142 {
2143 CPUState *env = opaque;
2144 int i;
2145 uint32_t hflags;
2146 uint16_t fpus, fpuc, fptag;
2147
2148 if (version_id != 2)
2149 return -EINVAL;
2150 for(i = 0; i < 8; i++)
2151 qemu_get_be32s(f, &env->regs[i]);
2152 qemu_get_be32s(f, &env->eip);
2153 qemu_get_be32s(f, &env->eflags);
2154 qemu_get_be32s(f, &env->eflags);
2155 qemu_get_be32s(f, &hflags);
2156
2157 qemu_get_be16s(f, &fpuc);
2158 qemu_get_be16s(f, &fpus);
2159 qemu_get_be16s(f, &fptag);
2160
2161 for(i = 0; i < 8; i++) {
2162 uint64_t mant;
2163 uint16_t exp;
2164 mant = qemu_get_be64(f);
2165 exp = qemu_get_be16(f);
2166 env->fpregs[i] = cpu_set_fp80(mant, exp);
2167 }
2168
2169 env->fpuc = fpuc;
2170 env->fpstt = (fpus >> 11) & 7;
2171 env->fpus = fpus & ~0x3800;
2172 for(i = 0; i < 8; i++) {
2173 env->fptags[i] = ((fptag & 3) == 3);
2174 fptag >>= 2;
2175 }
2176
2177 for(i = 0; i < 6; i++)
2178 cpu_get_seg(f, &env->segs[i]);
2179 cpu_get_seg(f, &env->ldt);
2180 cpu_get_seg(f, &env->tr);
2181 cpu_get_seg(f, &env->gdt);
2182 cpu_get_seg(f, &env->idt);
2183
2184 qemu_get_be32s(f, &env->sysenter_cs);
2185 qemu_get_be32s(f, &env->sysenter_esp);
2186 qemu_get_be32s(f, &env->sysenter_eip);
2187
2188 qemu_get_be32s(f, &env->cr[0]);
2189 qemu_get_be32s(f, &env->cr[2]);
2190 qemu_get_be32s(f, &env->cr[3]);
2191 qemu_get_be32s(f, &env->cr[4]);
2192
2193 for(i = 0; i < 8; i++)
2194 qemu_get_be32s(f, &env->dr[i]);
2195
2196 /* MMU */
2197 qemu_get_be32s(f, &env->a20_mask);
2198
2199 /* XXX: compute hflags from scratch, except for CPL and IIF */
2200 env->hflags = hflags;
2201 tlb_flush(env, 1);
2202 return 0;
2203 }
2204
2205 #elif defined(TARGET_PPC)
2206 void cpu_save(QEMUFile *f, void *opaque)
2207 {
2208 }
2209
2210 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2211 {
2212 return 0;
2213 }
2214 #elif defined(TARGET_SPARC)
2215 void cpu_save(QEMUFile *f, void *opaque)
2216 {
2217 CPUState *env = opaque;
2218 int i;
2219 uint32_t tmp;
2220
2221 for(i = 1; i < 8; i++)
2222 qemu_put_be32s(f, &env->gregs[i]);
2223 tmp = env->regwptr - env->regbase;
2224 qemu_put_be32s(f, &tmp);
2225 for(i = 1; i < NWINDOWS * 16 + 8; i++)
2226 qemu_put_be32s(f, &env->regbase[i]);
2227
2228 /* FPU */
2229 for(i = 0; i < 32; i++) {
2230 uint64_t mant;
2231 uint16_t exp;
2232 cpu_get_fp64(&mant, &exp, env->fpr[i]);
2233 qemu_put_be64(f, mant);
2234 qemu_put_be16(f, exp);
2235 }
2236 qemu_put_be32s(f, &env->pc);
2237 qemu_put_be32s(f, &env->npc);
2238 qemu_put_be32s(f, &env->y);
2239 tmp = GET_PSR(env);
2240 qemu_put_be32s(f, &tmp);
2241 qemu_put_be32s(f, &env->fsr);
2242 qemu_put_be32s(f, &env->cwp);
2243 qemu_put_be32s(f, &env->wim);
2244 qemu_put_be32s(f, &env->tbr);
2245 /* MMU */
2246 for(i = 0; i < 16; i++)
2247 qemu_put_be32s(f, &env->mmuregs[i]);
2248 }
2249
2250 int cpu_load(QEMUFile *f, void *opaque, int version_id)
2251 {
2252 CPUState *env = opaque;
2253 int i;
2254 uint32_t tmp;
2255
2256 for(i = 1; i < 8; i++)
2257 qemu_get_be32s(f, &env->gregs[i]);
2258 qemu_get_be32s(f, &tmp);
2259 env->regwptr = env->regbase + tmp;
2260 for(i = 1; i < NWINDOWS * 16 + 8; i++)
2261 qemu_get_be32s(f, &env->regbase[i]);
2262
2263 /* FPU */
2264 for(i = 0; i < 32; i++) {
2265 uint64_t mant;
2266 uint16_t exp;
2267
2268 qemu_get_be64s(f, &mant);
2269 qemu_get_be16s(f, &exp);
2270 env->fpr[i] = cpu_put_fp64(mant, exp);
2271 }
2272 qemu_get_be32s(f, &env->pc);
2273 qemu_get_be32s(f, &env->npc);
2274 qemu_get_be32s(f, &env->y);
2275 qemu_get_be32s(f, &tmp);
2276 PUT_PSR(env, tmp);
2277 qemu_get_be32s(f, &env->fsr);
2278 qemu_get_be32s(f, &env->cwp);
2279 qemu_get_be32s(f, &env->wim);
2280 qemu_get_be32s(f, &env->tbr);
2281 /* MMU */
2282 for(i = 0; i < 16; i++)
2283 qemu_get_be32s(f, &env->mmuregs[i]);
2284 tlb_flush(env, 1);
2285 return 0;
2286 }
2287 #else
2288
2289 #warning No CPU save/restore functions
2290
2291 #endif
2292
2293 /***********************************************************/
2294 /* ram save/restore */
2295
2296 /* we just avoid storing empty pages */
2297 static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
2298 {
2299 int i, v;
2300
2301 v = buf[0];
2302 for(i = 1; i < len; i++) {
2303 if (buf[i] != v)
2304 goto normal_save;
2305 }
2306 qemu_put_byte(f, 1);
2307 qemu_put_byte(f, v);
2308 return;
2309 normal_save:
2310 qemu_put_byte(f, 0);
2311 qemu_put_buffer(f, buf, len);
2312 }
2313
2314 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2315 {
2316 int v;
2317
2318 v = qemu_get_byte(f);
2319 switch(v) {
2320 case 0:
2321 if (qemu_get_buffer(f, buf, len) != len)
2322 return -EIO;
2323 break;
2324 case 1:
2325 v = qemu_get_byte(f);
2326 memset(buf, v, len);
2327 break;
2328 default:
2329 return -EINVAL;
2330 }
2331 return 0;
2332 }
2333
2334 static void ram_save(QEMUFile *f, void *opaque)
2335 {
2336 int i;
2337 qemu_put_be32(f, phys_ram_size);
2338 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2339 ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2340 }
2341 }
2342
2343 static int ram_load(QEMUFile *f, void *opaque, int version_id)
2344 {
2345 int i, ret;
2346
2347 if (version_id != 1)
2348 return -EINVAL;
2349 if (qemu_get_be32(f) != phys_ram_size)
2350 return -EINVAL;
2351 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2352 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2353 if (ret)
2354 return ret;
2355 }
2356 return 0;
2357 }
2358
2359 /***********************************************************/
2360 /* main execution loop */
2361
2362 void gui_update(void *opaque)
2363 {
2364 display_state.dpy_refresh(&display_state);
2365 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
2366 }
2367
2368 /* XXX: support several handlers */
2369 VMStopHandler *vm_stop_cb;
2370 VMStopHandler *vm_stop_opaque;
2371
2372 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
2373 {
2374 vm_stop_cb = cb;
2375 vm_stop_opaque = opaque;
2376 return 0;
2377 }
2378
2379 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
2380 {
2381 vm_stop_cb = NULL;
2382 }
2383
2384 void vm_start(void)
2385 {
2386 if (!vm_running) {
2387 cpu_enable_ticks();
2388 vm_running = 1;
2389 }
2390 }
2391
2392 void vm_stop(int reason)
2393 {
2394 if (vm_running) {
2395 cpu_disable_ticks();
2396 vm_running = 0;
2397 if (reason != 0) {
2398 if (vm_stop_cb) {
2399 vm_stop_cb(vm_stop_opaque, reason);
2400 }
2401 }
2402 }
2403 }
2404
2405 /* reset/shutdown handler */
2406
2407 typedef struct QEMUResetEntry {
2408 QEMUResetHandler *func;
2409 void *opaque;
2410 struct QEMUResetEntry *next;
2411 } QEMUResetEntry;
2412
2413 static QEMUResetEntry *first_reset_entry;
2414 static int reset_requested;
2415 static int shutdown_requested;
2416
2417 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
2418 {
2419 QEMUResetEntry **pre, *re;
2420
2421 pre = &first_reset_entry;
2422 while (*pre != NULL)
2423 pre = &(*pre)->next;
2424 re = qemu_mallocz(sizeof(QEMUResetEntry));
2425 re->func = func;
2426 re->opaque = opaque;
2427 re->next = NULL;
2428 *pre = re;
2429 }
2430
2431 void qemu_system_reset(void)
2432 {
2433 QEMUResetEntry *re;
2434
2435 /* reset all devices */
2436 for(re = first_reset_entry; re != NULL; re = re->next) {
2437 re->func(re->opaque);
2438 }
2439 }
2440
2441 void qemu_system_reset_request(void)
2442 {
2443 reset_requested = 1;
2444 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2445 }
2446
2447 void qemu_system_shutdown_request(void)
2448 {
2449 shutdown_requested = 1;
2450 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
2451 }
2452
2453 static void main_cpu_reset(void *opaque)
2454 {
2455 #if defined(TARGET_I386) || defined(TARGET_SPARC)
2456 CPUState *env = opaque;
2457 cpu_reset(env);
2458 #endif
2459 }
2460
2461 void main_loop_wait(int timeout)
2462 {
2463 #ifndef _WIN32
2464 struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
2465 IOHandlerRecord *ioh, *ioh_next;
2466 uint8_t buf[4096];
2467 int n, max_size;
2468 #endif
2469 int ret;
2470
2471 #ifdef _WIN32
2472 if (timeout > 0)
2473 Sleep(timeout);
2474 #else
2475 /* poll any events */
2476 /* XXX: separate device handlers from system ones */
2477 pf = ufds;
2478 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2479 if (!ioh->fd_can_read) {
2480 max_size = 0;
2481 pf->fd = ioh->fd;
2482 pf->events = POLLIN;
2483 ioh->ufd = pf;
2484 pf++;
2485 } else {
2486 max_size = ioh->fd_can_read(ioh->opaque);
2487 if (max_size > 0) {
2488 if (max_size > sizeof(buf))
2489 max_size = sizeof(buf);
2490 pf->fd = ioh->fd;
2491 pf->events = POLLIN;
2492 ioh->ufd = pf;
2493 pf++;
2494 } else {
2495 ioh->ufd = NULL;
2496 }
2497 }
2498 ioh->max_size = max_size;
2499 }
2500
2501 ret = poll(ufds, pf - ufds, timeout);
2502 if (ret > 0) {
2503 /* XXX: better handling of removal */
2504 for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
2505 ioh_next = ioh->next;
2506 pf = ioh->ufd;
2507 if (pf) {
2508 if (pf->revents & POLLIN) {
2509 if (ioh->max_size == 0) {
2510 /* just a read event */
2511 ioh->fd_read(ioh->opaque, NULL, 0);
2512 } else {
2513 n = read(ioh->fd, buf, ioh->max_size);
2514 if (n >= 0) {
2515 ioh->fd_read(ioh->opaque, buf, n);
2516 } else if (errno != EAGAIN) {
2517 ioh->fd_read(ioh->opaque, NULL, -errno);
2518 }
2519 }
2520 }
2521 }
2522 }
2523 }
2524 #endif /* !defined(_WIN32) */
2525 #if defined(CONFIG_SLIRP)
2526 /* XXX: merge with poll() */
2527 if (slirp_inited) {
2528 fd_set rfds, wfds, xfds;
2529 int nfds;
2530 struct timeval tv;
2531
2532 nfds = -1;
2533 FD_ZERO(&rfds);
2534 FD_ZERO(&wfds);
2535 FD_ZERO(&xfds);
2536 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2537 tv.tv_sec = 0;
2538 tv.tv_usec = 0;
2539 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
2540 if (ret >= 0) {
2541 slirp_select_poll(&rfds, &wfds, &xfds);
2542 }
2543 }
2544 #endif
2545
2546 if (vm_running) {
2547 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
2548 qemu_get_clock(vm_clock));
2549 /* run dma transfers, if any */
2550 DMA_run();
2551 }
2552
2553 /* real time timers */
2554 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
2555 qemu_get_clock(rt_clock));
2556 }
2557
2558 int main_loop(void)
2559 {
2560 int ret, timeout;
2561 CPUState *env = global_env;
2562
2563 for(;;) {
2564 if (vm_running) {
2565 ret = cpu_exec(env);
2566 if (shutdown_requested) {
2567 ret = EXCP_INTERRUPT;
2568 break;
2569 }
2570 if (reset_requested) {
2571 reset_requested = 0;
2572 qemu_system_reset();
2573 ret = EXCP_INTERRUPT;
2574 }
2575 if (ret == EXCP_DEBUG) {
2576 vm_stop(EXCP_DEBUG);
2577 }
2578 /* if hlt instruction, we wait until the next IRQ */
2579 /* XXX: use timeout computed from timers */
2580 if (ret == EXCP_HLT)
2581 timeout = 10;
2582 else
2583 timeout = 0;
2584 } else {
2585 timeout = 10;
2586 }
2587 main_loop_wait(timeout);
2588 }
2589 cpu_disable_ticks();
2590 return ret;
2591 }
2592
2593 void help(void)
2594 {
2595 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n"
2596 "usage: %s [options] [disk_image]\n"
2597 "\n"
2598 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2599 "\n"
2600 "Standard options:\n"
2601 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2602 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2603 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2604 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2605 "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
2606 "-snapshot write to temporary files instead of disk image files\n"
2607 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2608 "-nographic disable graphical output and redirect serial I/Os to console\n"
2609 #ifndef _WIN32
2610 "-k language use keyboard layout (for example \"fr\" for French)\n"
2611 #endif
2612 "-enable-audio enable audio support\n"
2613 "-localtime set the real time clock to local time [default=utc]\n"
2614 "-full-screen start in full screen\n"
2615 #ifdef TARGET_PPC
2616 "-prep Simulate a PREP system (default is PowerMAC)\n"
2617 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2618 #endif
2619 "\n"
2620 "Network options:\n"
2621 "-nics n simulate 'n' network cards [default=1]\n"
2622 "-macaddr addr set the mac address of the first interface\n"
2623 "-n script set tap/tun network init script [default=%s]\n"
2624 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2625 #ifdef CONFIG_SLIRP
2626 "-user-net use user mode network stack [default if no tap/tun script]\n"
2627 "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
2628 #ifndef _WIN32
2629 "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
2630 #endif
2631 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
2632 " redirect TCP or UDP connections from host to guest [-user-net]\n"
2633 #endif
2634 "-dummy-net use dummy network stack\n"
2635 "\n"
2636 "Linux boot specific:\n"
2637 "-kernel bzImage use 'bzImage' as kernel image\n"
2638 "-append cmdline use 'cmdline' as kernel command line\n"
2639 "-initrd file use 'file' as initial ram disk\n"
2640 "\n"
2641 "Debug/Expert options:\n"
2642 "-monitor dev redirect the monitor to char device 'dev'\n"
2643 "-serial dev redirect the serial port to char device 'dev'\n"
2644 "-pidfile file Write PID to 'file'\n"
2645 "-S freeze CPU at startup (use 'c' to start execution)\n"
2646 "-s wait gdb connection to port %d\n"
2647 "-p port change gdb connection port\n"
2648 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2649 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
2650 " translation (t=none or lba) (usually qemu can guess them)\n"
2651 "-L path set the directory for the BIOS and VGA BIOS\n"
2652 #ifdef USE_CODE_COPY
2653 "-no-code-copy disable code copy acceleration\n"
2654 #endif
2655 #ifdef TARGET_I386
2656 "-isa simulate an ISA-only system (default is PCI system)\n"
2657 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
2658 " (default is CL-GD5446 PCI VGA)\n"
2659 #endif
2660 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
2661 "\n"
2662 "During emulation, the following keys are useful:\n"
2663 "ctrl-alt-f toggle full screen\n"
2664 "ctrl-alt-n switch to virtual console 'n'\n"
2665 "ctrl-alt toggle mouse and keyboard grab\n"
2666 "\n"
2667 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2668 ,
2669 #ifdef CONFIG_SOFTMMU
2670 "qemu",
2671 #else
2672 "qemu-fast",
2673 #endif
2674 DEFAULT_RAM_SIZE,
2675 DEFAULT_NETWORK_SCRIPT,
2676 DEFAULT_GDBSTUB_PORT,
2677 "/tmp/qemu.log");
2678 #ifndef CONFIG_SOFTMMU
2679 printf("\n"
2680 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2681 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2682 "PC emulation.\n");
2683 #endif
2684 exit(1);
2685 }
2686
2687 #define HAS_ARG 0x0001
2688
2689 enum {
2690 QEMU_OPTION_h,
2691
2692 QEMU_OPTION_fda,
2693 QEMU_OPTION_fdb,
2694 QEMU_OPTION_hda,
2695 QEMU_OPTION_hdb,
2696 QEMU_OPTION_hdc,
2697 QEMU_OPTION_hdd,
2698 QEMU_OPTION_cdrom,
2699 QEMU_OPTION_boot,
2700 QEMU_OPTION_snapshot,
2701 QEMU_OPTION_m,
2702 QEMU_OPTION_nographic,
2703 QEMU_OPTION_enable_audio,
2704
2705 QEMU_OPTION_nics,
2706 QEMU_OPTION_macaddr,
2707 QEMU_OPTION_n,
2708 QEMU_OPTION_tun_fd,
2709 QEMU_OPTION_user_net,
2710 QEMU_OPTION_tftp,
2711 QEMU_OPTION_smb,
2712 QEMU_OPTION_redir,
2713 QEMU_OPTION_dummy_net,
2714
2715 QEMU_OPTION_kernel,
2716 QEMU_OPTION_append,
2717 QEMU_OPTION_initrd,
2718
2719 QEMU_OPTION_S,
2720 QEMU_OPTION_s,
2721 QEMU_OPTION_p,
2722 QEMU_OPTION_d,
2723 QEMU_OPTION_hdachs,
2724 QEMU_OPTION_L,
2725 QEMU_OPTION_no_code_copy,
2726 QEMU_OPTION_pci,
2727 QEMU_OPTION_isa,
2728 QEMU_OPTION_prep,
2729 QEMU_OPTION_k,
2730 QEMU_OPTION_localtime,
2731 QEMU_OPTION_cirrusvga,
2732 QEMU_OPTION_g,
2733 QEMU_OPTION_std_vga,
2734 QEMU_OPTION_monitor,
2735 QEMU_OPTION_serial,
2736 QEMU_OPTION_loadvm,
2737 QEMU_OPTION_full_screen,
2738 QEMU_OPTION_pidfile,
2739 };
2740
2741 typedef struct QEMUOption {
2742 const char *name;
2743 int flags;
2744 int index;
2745 } QEMUOption;
2746
2747 const QEMUOption qemu_options[] = {
2748 { "h", 0, QEMU_OPTION_h },
2749
2750 { "fda", HAS_ARG, QEMU_OPTION_fda },
2751 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
2752 { "hda", HAS_ARG, QEMU_OPTION_hda },
2753 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
2754 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
2755 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
2756 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
2757 { "boot", HAS_ARG, QEMU_OPTION_boot },
2758 { "snapshot", 0, QEMU_OPTION_snapshot },
2759 { "m", HAS_ARG, QEMU_OPTION_m },
2760 { "nographic", 0, QEMU_OPTION_nographic },
2761 { "k", HAS_ARG, QEMU_OPTION_k },
2762 { "enable-audio", 0, QEMU_OPTION_enable_audio },
2763
2764 { "nics", HAS_ARG, QEMU_OPTION_nics},
2765 { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
2766 { "n", HAS_ARG, QEMU_OPTION_n },
2767 { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
2768 #ifdef CONFIG_SLIRP
2769 { "user-net", 0, QEMU_OPTION_user_net },
2770 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
2771 #ifndef _WIN32
2772 { "smb", HAS_ARG, QEMU_OPTION_smb },
2773 #endif
2774 { "redir", HAS_ARG, QEMU_OPTION_redir },
2775 #endif
2776 { "dummy-net", 0, QEMU_OPTION_dummy_net },
2777
2778 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
2779 { "append", HAS_ARG, QEMU_OPTION_append },
2780 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
2781
2782 { "S", 0, QEMU_OPTION_S },
2783 { "s", 0, QEMU_OPTION_s },
2784 { "p", HAS_ARG, QEMU_OPTION_p },
2785 { "d", HAS_ARG, QEMU_OPTION_d },
2786 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
2787 { "L", HAS_ARG, QEMU_OPTION_L },
2788 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
2789 #ifdef TARGET_PPC
2790 { "prep", 0, QEMU_OPTION_prep },
2791 { "g", 1, QEMU_OPTION_g },
2792 #endif
2793 { "localtime", 0, QEMU_OPTION_localtime },
2794 { "isa", 0, QEMU_OPTION_isa },
2795 { "std-vga", 0, QEMU_OPTION_std_vga },
2796 { "monitor", 1, QEMU_OPTION_monitor },
2797 { "serial", 1, QEMU_OPTION_serial },
2798 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
2799 { "full-screen", 0, QEMU_OPTION_full_screen },
2800 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
2801
2802 /* temporary options */
2803 { "pci", 0, QEMU_OPTION_pci },
2804 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
2805 { NULL },
2806 };
2807
2808 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2809
2810 /* this stack is only used during signal handling */
2811 #define SIGNAL_STACK_SIZE 32768
2812
2813 static uint8_t *signal_stack;
2814
2815 #endif
2816
2817 /* password input */
2818
2819 static BlockDriverState *get_bdrv(int index)
2820 {
2821 BlockDriverState *bs;
2822
2823 if (index < 4) {
2824 bs = bs_table[index];
2825 } else if (index < 6) {
2826 bs = fd_table[index - 4];
2827 } else {
2828 bs = NULL;
2829 }
2830 return bs;
2831 }
2832
2833 static void read_passwords(void)
2834 {
2835 BlockDriverState *bs;
2836 int i, j;
2837 char password[256];
2838
2839 for(i = 0; i < 6; i++) {
2840 bs = get_bdrv(i);
2841 if (bs && bdrv_is_encrypted(bs)) {
2842 term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
2843 for(j = 0; j < 3; j++) {
2844 monitor_readline("Password: ",
2845 1, password, sizeof(password));
2846 if (bdrv_set_key(bs, password) == 0)
2847 break;
2848 term_printf("invalid password\n");
2849 }
2850 }
2851 }
2852 }
2853
2854 #define NET_IF_TUN 0
2855 #define NET_IF_USER 1
2856 #define NET_IF_DUMMY 2
2857
2858 int main(int argc, char **argv)
2859 {
2860 #ifdef CONFIG_GDBSTUB
2861 int use_gdbstub, gdbstub_port;
2862 #endif
2863 int i, has_cdrom;
2864 int snapshot, linux_boot;
2865 CPUState *env;
2866 const char *initrd_filename;
2867 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
2868 const char *kernel_filename, *kernel_cmdline;
2869 DisplayState *ds = &display_state;
2870 int cyls, heads, secs, translation;
2871 int start_emulation = 1;
2872 uint8_t macaddr[6];
2873 int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
2874 int optind;
2875 const char *r, *optarg;
2876 CharDriverState *monitor_hd;
2877 char monitor_device[128];
2878 char serial_devices[MAX_SERIAL_PORTS][128];
2879 int serial_device_index;
2880 const char *loadvm = NULL;
2881
2882 #if !defined(CONFIG_SOFTMMU)
2883 /* we never want that malloc() uses mmap() */
2884 mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
2885 #endif
2886 initrd_filename = NULL;
2887 for(i = 0; i < MAX_FD; i++)
2888 fd_filename[i] = NULL;
2889 for(i = 0; i < MAX_DISKS; i++)
2890 hd_filename[i] = NULL;
2891 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2892 vga_ram_size = VGA_RAM_SIZE;
2893 bios_size = BIOS_SIZE;
2894 pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
2895 #ifdef CONFIG_GDBSTUB
2896 use_gdbstub = 0;
2897 gdbstub_port = DEFAULT_GDBSTUB_PORT;
2898 #endif
2899 snapshot = 0;
2900 nographic = 0;
2901 kernel_filename = NULL;
2902 kernel_cmdline = "";
2903 has_cdrom = 1;
2904 cyls = heads = secs = 0;
2905 translation = BIOS_ATA_TRANSLATION_AUTO;
2906 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
2907
2908 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
2909 for(i = 1; i < MAX_SERIAL_PORTS; i++)
2910 serial_devices[i][0] = '\0';
2911 serial_device_index = 0;
2912
2913 nb_tun_fds = 0;
2914 net_if_type = -1;
2915 nb_nics = 1;
2916 /* default mac address of the first network interface */
2917 macaddr[0] = 0x52;
2918 macaddr[1] = 0x54;
2919 macaddr[2] = 0x00;
2920 macaddr[3] = 0x12;
2921 macaddr[4] = 0x34;
2922 macaddr[5] = 0x56;
2923
2924 optind = 1;
2925 for(;;) {
2926 if (optind >= argc)
2927 break;
2928 r = argv[optind];
2929 if (r[0] != '-') {
2930 hd_filename[0] = argv[optind++];
2931 } else {
2932 const QEMUOption *popt;
2933
2934 optind++;
2935 popt = qemu_options;
2936 for(;;) {
2937 if (!popt->name) {
2938 fprintf(stderr, "%s: invalid option -- '%s'\n",
2939 argv[0], r);
2940 exit(1);
2941 }
2942 if (!strcmp(popt->name, r + 1))
2943 break;
2944 popt++;
2945 }
2946 if (popt->flags & HAS_ARG) {
2947 if (optind >= argc) {
2948 fprintf(stderr, "%s: option '%s' requires an argument\n",
2949 argv[0], r);
2950 exit(1);
2951 }
2952 optarg = argv[optind++];
2953 } else {
2954 optarg = NULL;
2955 }
2956
2957 switch(popt->index) {
2958 case QEMU_OPTION_initrd:
2959 initrd_filename = optarg;
2960 break;
2961 case QEMU_OPTION_hda:
2962 hd_filename[0] = optarg;
2963 break;
2964 case QEMU_OPTION_hdb:
2965 hd_filename[1] = optarg;
2966 break;
2967 case QEMU_OPTION_snapshot:
2968 snapshot = 1;
2969 break;
2970 case QEMU_OPTION_hdachs:
2971 {
2972 const char *p;
2973 p = optarg;
2974 cyls = strtol(p, (char **)&p, 0);
2975 if (cyls < 1 || cyls > 16383)
2976 goto chs_fail;
2977 if (*p != ',')
2978 goto chs_fail;
2979 p++;
2980 heads = strtol(p, (char **)&p, 0);
2981 if (heads < 1 || heads > 16)
2982 goto chs_fail;
2983 if (*p != ',')
2984 goto chs_fail;
2985 p++;
2986 secs = strtol(p, (char **)&p, 0);
2987 if (secs < 1 || secs > 63)
2988 goto chs_fail;
2989 if (*p == ',') {
2990 p++;
2991 if (!strcmp(p, "none"))
2992 translation = BIOS_ATA_TRANSLATION_NONE;
2993 else if (!strcmp(p, "lba"))
2994 translation = BIOS_ATA_TRANSLATION_LBA;
2995 else if (!strcmp(p, "auto"))
2996 translation = BIOS_ATA_TRANSLATION_AUTO;
2997 else
2998 goto chs_fail;
2999 } else if (*p != '\0') {
3000 chs_fail:
3001 fprintf(stderr, "qemu: invalid physical CHS format\n");
3002 exit(1);
3003 }
3004 }
3005 break;
3006 case QEMU_OPTION_nographic:
3007 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
3008 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
3009 nographic = 1;
3010 break;
3011 case QEMU_OPTION_kernel:
3012 kernel_filename = optarg;
3013 break;
3014 case QEMU_OPTION_append:
3015 kernel_cmdline = optarg;
3016 break;
3017 case QEMU_OPTION_tun_fd:
3018 {
3019 const char *p;
3020 int fd;
3021 net_if_type = NET_IF_TUN;
3022 if (nb_tun_fds < MAX_NICS) {
3023 fd = strtol(optarg, (char **)&p, 0);
3024 if (*p != '\0') {
3025 fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
3026 exit(1);
3027 }
3028 tun_fds[nb_tun_fds++] = fd;
3029 }
3030 }
3031 break;
3032 case QEMU_OPTION_hdc:
3033 hd_filename[2] = optarg;
3034 has_cdrom = 0;
3035 break;
3036 case QEMU_OPTION_hdd:
3037 hd_filename[3] = optarg;
3038 break;
3039 case QEMU_OPTION_cdrom:
3040 hd_filename[2] = optarg;
3041 has_cdrom = 1;
3042 break;
3043 case QEMU_OPTION_boot:
3044 boot_device = optarg[0];
3045 if (boot_device != 'a' &&
3046 boot_device != 'c' && boot_device != 'd') {
3047 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
3048 exit(1);
3049 }
3050 break;
3051 case QEMU_OPTION_fda:
3052 fd_filename[0] = optarg;
3053 break;
3054 case QEMU_OPTION_fdb:
3055 fd_filename[1] = optarg;
3056 break;
3057 case QEMU_OPTION_no_code_copy:
3058 code_copy_enabled = 0;
3059 break;
3060 case QEMU_OPTION_nics:
3061 nb_nics = atoi(optarg);
3062 if (nb_nics < 0 || nb_nics > MAX_NICS) {
3063 fprintf(stderr, "qemu: invalid number of network interfaces\n");
3064 exit(1);
3065 }
3066 break;
3067 case QEMU_OPTION_macaddr:
3068 {
3069 const char *p;
3070 int i;
3071 p = optarg;
3072 for(i = 0; i < 6; i++) {
3073 macaddr[i] = strtol(p, (char **)&p, 16);
3074 if (i == 5) {
3075 if (*p != '\0')
3076 goto macaddr_error;
3077 } else {
3078 if (*p != ':') {
3079 macaddr_error:
3080 fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
3081 exit(1);
3082 }
3083 p++;
3084 }
3085 }
3086 }
3087 break;
3088 #ifdef CONFIG_SLIRP
3089 case QEMU_OPTION_tftp:
3090 tftp_prefix = optarg;
3091 break;
3092 #ifndef _WIN32
3093 case QEMU_OPTION_smb:
3094 net_slirp_smb(optarg);
3095 break;
3096 #endif
3097 case QEMU_OPTION_user_net:
3098 net_if_type = NET_IF_USER;
3099 break;
3100 case QEMU_OPTION_redir:
3101 net_slirp_redir(optarg);
3102 break;
3103 #endif
3104 case QEMU_OPTION_dummy_net:
3105 net_if_type = NET_IF_DUMMY;
3106 break;
3107 case QEMU_OPTION_enable_audio:
3108 audio_enabled = 1;
3109 break;
3110 case QEMU_OPTION_h:
3111 help();
3112 break;
3113 case QEMU_OPTION_m:
3114 ram_size = atoi(optarg) * 1024 * 1024;
3115 if (ram_size <= 0)
3116 help();
3117 if (ram_size > PHYS_RAM_MAX_SIZE) {
3118 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
3119 PHYS_RAM_MAX_SIZE / (1024 * 1024));
3120 exit(1);
3121 }
3122 break;
3123 case QEMU_OPTION_d:
3124 {
3125 int mask;
3126 CPULogItem *item;
3127
3128 mask = cpu_str_to_log_mask(optarg);
3129 if (!mask) {
3130 printf("Log items (comma separated):\n");
3131 for(item = cpu_log_items; item->mask != 0; item++) {
3132 printf("%-10s %s\n", item->name, item->help);
3133 }
3134 exit(1);
3135 }
3136 cpu_set_log(mask);
3137 }
3138 break;
3139 case QEMU_OPTION_n:
3140 pstrcpy(network_script, sizeof(network_script), optarg);
3141 break;
3142 #ifdef CONFIG_GDBSTUB
3143 case QEMU_OPTION_s:
3144 use_gdbstub = 1;
3145 break;
3146 case QEMU_OPTION_p:
3147 gdbstub_port = atoi(optarg);
3148 break;
3149 #endif
3150 case QEMU_OPTION_L:
3151 bios_dir = optarg;
3152 break;
3153 case QEMU_OPTION_S:
3154 start_emulation = 0;
3155 break;
3156 case QEMU_OPTION_pci:
3157 pci_enabled = 1;
3158 break;
3159 case QEMU_OPTION_isa:
3160 pci_enabled = 0;
3161 break;
3162 case QEMU_OPTION_prep:
3163 prep_enabled = 1;
3164 break;
3165 case QEMU_OPTION_k:
3166 keyboard_layout = optarg;
3167 break;
3168 case QEMU_OPTION_localtime:
3169 rtc_utc = 0;
3170 break;
3171 case QEMU_OPTION_cirrusvga:
3172 cirrus_vga_enabled = 1;
3173 break;
3174 case QEMU_OPTION_std_vga:
3175 cirrus_vga_enabled = 0;
3176 break;
3177 case QEMU_OPTION_g:
3178 {
3179 const char *p;
3180 int w, h, depth;
3181 p = optarg;
3182 w = strtol(p, (char **)&p, 10);
3183 if (w <= 0) {
3184 graphic_error:
3185 fprintf(stderr, "qemu: invalid resolution or depth\n");
3186 exit(1);
3187 }
3188 if (*p != 'x')
3189 goto graphic_error;
3190 p++;
3191 h = strtol(p, (char **)&p, 10);
3192 if (h <= 0)
3193 goto graphic_error;
3194 if (*p == 'x') {
3195 p++;
3196 depth = strtol(p, (char **)&p, 10);
3197 if (depth != 8 && depth != 15 && depth != 16 &&
3198 depth != 24 && depth != 32)
3199 goto graphic_error;
3200 } else if (*p == '\0') {
3201 depth = graphic_depth;
3202 } else {
3203 goto graphic_error;
3204 }
3205
3206 graphic_width = w;
3207 graphic_height = h;
3208 graphic_depth = depth;
3209 }
3210 break;
3211 case QEMU_OPTION_monitor:
3212 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
3213 break;
3214 case QEMU_OPTION_serial:
3215 if (serial_device_index >= MAX_SERIAL_PORTS) {
3216 fprintf(stderr, "qemu: too many serial ports\n");
3217 exit(1);
3218 }
3219 pstrcpy(serial_devices[serial_device_index],
3220 sizeof(serial_devices[0]), optarg);
3221 serial_device_index++;
3222 break;
3223 case QEMU_OPTION_loadvm:
3224 loadvm = optarg;
3225 break;
3226 case QEMU_OPTION_full_screen:
3227 full_screen = 1;
3228 break;
3229 case QEMU_OPTION_pidfile:
3230 create_pidfile(optarg);
3231 break;
3232 }
3233 }
3234 }
3235
3236 linux_boot = (kernel_filename != NULL);
3237
3238 if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
3239 fd_filename[0] == '\0')
3240 help();
3241
3242 /* boot to cd by default if no hard disk */
3243 if (hd_filename[0] == '\0' && boot_device == 'c') {
3244 if (fd_filename[0] != '\0')
3245 boot_device = 'a';
3246 else
3247 boot_device = 'd';
3248 }
3249
3250 #if !defined(CONFIG_SOFTMMU)
3251 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
3252 {
3253 static uint8_t stdout_buf[4096];
3254 setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
3255 }
3256 #else
3257 setvbuf(stdout, NULL, _IOLBF, 0);
3258 #endif
3259
3260 /* init host network redirectors */
3261 if (net_if_type == -1) {
3262 net_if_type = NET_IF_TUN;
3263 #if defined(CONFIG_SLIRP)
3264 if (access(network_script, R_OK) < 0) {
3265 net_if_type = NET_IF_USER;
3266 }
3267 #endif
3268 }
3269
3270 for(i = 0; i < nb_nics; i++) {
3271 NetDriverState *nd = &nd_table[i];
3272 nd->index = i;
3273 /* init virtual mac address */
3274 nd->macaddr[0] = macaddr[0];
3275 nd->macaddr[1] = macaddr[1];
3276 nd->macaddr[2] = macaddr[2];
3277 nd->macaddr[3] = macaddr[3];
3278 nd->macaddr[4] = macaddr[4];
3279 nd->macaddr[5] = macaddr[5] + i;
3280 switch(net_if_type) {
3281 #if defined(CONFIG_SLIRP)
3282 case NET_IF_USER:
3283 net_slirp_init(nd);
3284 break;
3285 #endif
3286 #if !defined(_WIN32)
3287 case NET_IF_TUN:
3288 if (i < nb_tun_fds) {
3289 net_fd_init(nd, tun_fds[i]);
3290 } else {
3291 if (net_tun_init(nd) < 0)
3292 net_dummy_init(nd);
3293 }
3294 break;
3295 #endif
3296 case NET_IF_DUMMY:
3297 default:
3298 net_dummy_init(nd);
3299 break;
3300 }
3301 }
3302
3303 /* init the memory */
3304 phys_ram_size = ram_size + vga_ram_size + bios_size;
3305
3306 #ifdef CONFIG_SOFTMMU
3307 #ifdef _BSD
3308 /* mallocs are always aligned on BSD. valloc is better for correctness */
3309 phys_ram_base = valloc(phys_ram_size);
3310 #else
3311 phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
3312 #endif
3313 if (!phys_ram_base) {
3314 fprintf(stderr, "Could not allocate physical memory\n");
3315 exit(1);
3316 }
3317 #else
3318 /* as we must map the same page at several addresses, we must use
3319 a fd */
3320 {
3321 const char *tmpdir;
3322
3323 tmpdir = getenv("QEMU_TMPDIR");
3324 if (!tmpdir)
3325 tmpdir = "/tmp";
3326 snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir);
3327 if (mkstemp(phys_ram_file) < 0) {
3328 fprintf(stderr, "Could not create temporary memory file '%s'\n",
3329 phys_ram_file);
3330 exit(1);
3331 }
3332 phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
3333 if (phys_ram_fd < 0) {
3334 fprintf(stderr, "Could not open temporary memory file '%s'\n",
3335 phys_ram_file);
3336 exit(1);
3337 }
3338 ftruncate(phys_ram_fd, phys_ram_size);
3339 unlink(phys_ram_file);
3340 phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
3341 phys_ram_size,
3342 PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
3343 phys_ram_fd, 0);
3344 if (phys_ram_base == MAP_FAILED) {
3345 fprintf(stderr, "Could not map physical memory\n");
3346 exit(1);
3347 }
3348 }
3349 #endif
3350
3351 /* we always create the cdrom drive, even if no disk is there */
3352 bdrv_init();
3353 if (has_cdrom) {
3354 bs_table[2] = bdrv_new("cdrom");
3355 bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
3356 }
3357
3358 /* open the virtual block devices */
3359 for(i = 0; i < MAX_DISKS; i++) {
3360 if (hd_filename[i]) {
3361 if (!bs_table[i]) {
3362 char buf[64];
3363 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
3364 bs_table[i] = bdrv_new(buf);
3365 }
3366 if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
3367 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
3368 hd_filename[i]);
3369 exit(1);
3370 }
3371 if (i == 0 && cyls != 0) {
3372 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
3373 bdrv_set_translation_hint(bs_table[i], translation);
3374 }
3375 }
3376 }
3377
3378 /* we always create at least one floppy disk */
3379 fd_table[0] = bdrv_new("fda");
3380 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
3381
3382 for(i = 0; i < MAX_FD; i++) {
3383 if (fd_filename[i]) {
3384 if (!fd_table[i]) {
3385 char buf[64];
3386 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
3387 fd_table[i] = bdrv_new(buf);
3388 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
3389 }
3390 if (fd_filename[i] != '\0') {
3391 if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
3392 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
3393 fd_filename[i]);
3394 exit(1);
3395 }
3396 }
3397 }
3398 }
3399
3400 /* init CPU state */
3401 env = cpu_init();
3402 global_env = env;
3403 cpu_single_env = env;
3404
3405 register_savevm("timer", 0, 1, timer_save, timer_load, env);
3406 register_savevm("cpu", 0, 2, cpu_save, cpu_load, env);
3407 register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
3408 qemu_register_reset(main_cpu_reset, global_env);
3409
3410 init_ioports();
3411 cpu_calibrate_ticks();
3412
3413 /* terminal init */
3414 if (nographic) {
3415 dumb_display_init(ds);
3416 } else {
3417 #ifdef CONFIG_SDL
3418 sdl_display_init(ds, full_screen);
3419 #else
3420 dumb_display_init(ds);
3421 #endif
3422 }
3423
3424 vga_console = graphic_console_init(ds);
3425
3426 monitor_hd = qemu_chr_open(monitor_device);
3427 if (!monitor_hd) {
3428 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
3429 exit(1);
3430 }
3431 monitor_init(monitor_hd, !nographic);
3432
3433 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
3434 if (serial_devices[i][0] != '\0') {
3435 serial_hds[i] = qemu_chr_open(serial_devices[i]);
3436 if (!serial_hds[i]) {
3437 fprintf(stderr, "qemu: could not open serial device '%s'\n",
3438 serial_devices[i]);
3439 exit(1);
3440 }
3441 if (!strcmp(serial_devices[i], "vc"))
3442 qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
3443 }
3444 }
3445
3446 /* setup cpu signal handlers for MMU / self modifying code handling */
3447 #if !defined(CONFIG_SOFTMMU)
3448
3449 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3450 {
3451 stack_t stk;
3452 signal_stack = memalign(16, SIGNAL_STACK_SIZE);
3453 stk.ss_sp = signal_stack;
3454 stk.ss_size = SIGNAL_STACK_SIZE;
3455 stk.ss_flags = 0;
3456
3457 if (sigaltstack(&stk, NULL) < 0) {
3458 perror("sigaltstack");
3459 exit(1);
3460 }
3461 }
3462 #endif
3463 {
3464 struct sigaction act;
3465
3466 sigfillset(&act.sa_mask);
3467 act.sa_flags = SA_SIGINFO;
3468 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3469 act.sa_flags |= SA_ONSTACK;
3470 #endif
3471 act.sa_sigaction = host_segv_handler;
3472 sigaction(SIGSEGV, &act, NULL);
3473 sigaction(SIGBUS, &act, NULL);
3474 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
3475 sigaction(SIGFPE, &act, NULL);
3476 #endif
3477 }
3478 #endif
3479
3480 #ifndef _WIN32
3481 {
3482 struct sigaction act;
3483 sigfillset(&act.sa_mask);
3484 act.sa_flags = 0;
3485 act.sa_handler = SIG_IGN;
3486 sigaction(SIGPIPE, &act, NULL);
3487 }
3488 #endif
3489 init_timers();
3490
3491 #if defined(TARGET_I386)
3492 pc_init(ram_size, vga_ram_size, boot_device,
3493 ds, fd_filename, snapshot,
3494 kernel_filename, kernel_cmdline, initrd_filename);
3495 #elif defined(TARGET_PPC)
3496 ppc_init(ram_size, vga_ram_size, boot_device,
3497 ds, fd_filename, snapshot,
3498 kernel_filename, kernel_cmdline, initrd_filename);
3499 #elif defined(TARGET_SPARC)
3500 sun4m_init(ram_size, vga_ram_size, boot_device,
3501 ds, fd_filename, snapshot,
3502 kernel_filename, kernel_cmdline, initrd_filename);
3503 #endif
3504
3505 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
3506 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
3507
3508 #ifdef CONFIG_GDBSTUB
3509 if (use_gdbstub) {
3510 if (gdbserver_start(gdbstub_port) < 0) {
3511 fprintf(stderr, "Could not open gdbserver socket on port %d\n",
3512 gdbstub_port);
3513 exit(1);
3514 } else {
3515 printf("Waiting gdb connection on port %d\n", gdbstub_port);
3516 }
3517 } else
3518 #endif
3519 if (loadvm)
3520 qemu_loadvm(loadvm);
3521
3522 {
3523 /* XXX: simplify init */
3524 read_passwords();
3525 if (start_emulation) {
3526 vm_start();
3527 }
3528 }
3529 main_loop();
3530 quit_timers();
3531 return 0;
3532 }
Stable branch of Qemu 0.9.1