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Commit | Line | Data |
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0824d6fc | 1 | /* |
80cabfad | 2 | * QEMU System Emulator |
0824d6fc | 3 | * |
80cabfad | 4 | * Copyright (c) 2003-2004 Fabrice Bellard |
0824d6fc | 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 FB |
23 | */ |
24 | #include <stdlib.h> | |
25 | #include <stdio.h> | |
1df912cf | 26 | #include <stdarg.h> |
0824d6fc | 27 | #include <string.h> |
c45886db | 28 | #include <ctype.h> |
0824d6fc FB |
29 | #include <getopt.h> |
30 | #include <inttypes.h> | |
31 | #include <unistd.h> | |
32 | #include <sys/mman.h> | |
33 | #include <fcntl.h> | |
34 | #include <signal.h> | |
35 | #include <time.h> | |
36 | #include <sys/time.h> | |
37 | #include <malloc.h> | |
38 | #include <termios.h> | |
39 | #include <sys/poll.h> | |
40 | #include <errno.h> | |
f1510b2c | 41 | #include <sys/wait.h> |
c4b1fcc0 | 42 | #include <pty.h> |
8a7ddc38 | 43 | #include <sys/times.h> |
f1510b2c FB |
44 | |
45 | #include <sys/ioctl.h> | |
46 | #include <sys/socket.h> | |
47 | #include <linux/if.h> | |
48 | #include <linux/if_tun.h> | |
0824d6fc | 49 | |
0824d6fc | 50 | #include "disas.h" |
fc01f7e7 FB |
51 | |
52 | #include "vl.h" | |
8a7ddc38 | 53 | #include "exec-all.h" |
0824d6fc | 54 | |
5a67135a | 55 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 56 | |
0824d6fc | 57 | //#define DEBUG_UNUSED_IOPORT |
330d0414 | 58 | |
bb551faa | 59 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 60 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
61 | #else |
62 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
63 | #endif | |
7916e224 | 64 | |
8a7ddc38 FB |
65 | /* in ms */ |
66 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 67 | |
7dea1da4 FB |
68 | /* XXX: use a two level table to limit memory usage */ |
69 | #define MAX_IOPORTS 65536 | |
0824d6fc | 70 | |
80cabfad | 71 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 72 | char phys_ram_file[1024]; |
c45886db FB |
73 | CPUState *global_env; |
74 | CPUState *cpu_single_env; | |
c4b1fcc0 | 75 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
76 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
77 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 78 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 FB |
79 | int vga_ram_size; |
80 | static DisplayState display_state; | |
a20dd508 | 81 | int nographic; |
313aa567 | 82 | int64_t ticks_per_sec; |
36b486bb | 83 | int boot_device = 'c'; |
1ccde1cb | 84 | static int ram_size; |
80cabfad FB |
85 | static char network_script[1024]; |
86 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
87 | int nb_nics; |
88 | NetDriverState nd_table[MAX_NICS]; | |
89 | SerialState *serial_console; | |
8a7ddc38 FB |
90 | QEMUTimer *gui_timer; |
91 | int vm_running; | |
0824d6fc FB |
92 | |
93 | /***********************************************************/ | |
94 | /* x86 io ports */ | |
95 | ||
c4b1fcc0 | 96 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
97 | { |
98 | #ifdef DEBUG_UNUSED_IOPORT | |
99 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
100 | #endif | |
fc01f7e7 | 101 | return 0xff; |
0824d6fc FB |
102 | } |
103 | ||
c4b1fcc0 | 104 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
105 | { |
106 | #ifdef DEBUG_UNUSED_IOPORT | |
107 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
108 | #endif | |
109 | } | |
110 | ||
111 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 112 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
113 | { |
114 | uint32_t data; | |
c4b1fcc0 FB |
115 | data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address); |
116 | data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8; | |
0824d6fc FB |
117 | return data; |
118 | } | |
119 | ||
c4b1fcc0 | 120 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 121 | { |
c4b1fcc0 FB |
122 | ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff); |
123 | ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff); | |
0824d6fc FB |
124 | } |
125 | ||
c4b1fcc0 | 126 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 127 | { |
fc01f7e7 FB |
128 | #ifdef DEBUG_UNUSED_IOPORT |
129 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
130 | #endif | |
131 | return 0xffffffff; | |
0824d6fc FB |
132 | } |
133 | ||
c4b1fcc0 | 134 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 135 | { |
fc01f7e7 FB |
136 | #ifdef DEBUG_UNUSED_IOPORT |
137 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
138 | #endif | |
0824d6fc FB |
139 | } |
140 | ||
fc01f7e7 | 141 | void init_ioports(void) |
0824d6fc FB |
142 | { |
143 | int i; | |
144 | ||
fc01f7e7 FB |
145 | for(i = 0; i < MAX_IOPORTS; i++) { |
146 | ioport_read_table[0][i] = default_ioport_readb; | |
147 | ioport_write_table[0][i] = default_ioport_writeb; | |
148 | ioport_read_table[1][i] = default_ioport_readw; | |
149 | ioport_write_table[1][i] = default_ioport_writew; | |
150 | ioport_read_table[2][i] = default_ioport_readl; | |
151 | ioport_write_table[2][i] = default_ioport_writel; | |
152 | } | |
0824d6fc FB |
153 | } |
154 | ||
fc01f7e7 | 155 | /* size is the word size in byte */ |
c4b1fcc0 FB |
156 | int register_ioport_read(int start, int length, int size, |
157 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 158 | { |
fc01f7e7 | 159 | int i, bsize; |
f1510b2c | 160 | |
c4b1fcc0 | 161 | if (size == 1) { |
fc01f7e7 | 162 | bsize = 0; |
c4b1fcc0 | 163 | } else if (size == 2) { |
fc01f7e7 | 164 | bsize = 1; |
c4b1fcc0 | 165 | } else if (size == 4) { |
fc01f7e7 | 166 | bsize = 2; |
c4b1fcc0 FB |
167 | } else { |
168 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 169 | return -1; |
c4b1fcc0 FB |
170 | } |
171 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 172 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
173 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
174 | hw_error("register_ioport_read: invalid opaque"); | |
175 | ioport_opaque[i] = opaque; | |
176 | } | |
f1510b2c FB |
177 | return 0; |
178 | } | |
179 | ||
fc01f7e7 | 180 | /* size is the word size in byte */ |
c4b1fcc0 FB |
181 | int register_ioport_write(int start, int length, int size, |
182 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 183 | { |
fc01f7e7 | 184 | int i, bsize; |
f1510b2c | 185 | |
c4b1fcc0 | 186 | if (size == 1) { |
fc01f7e7 | 187 | bsize = 0; |
c4b1fcc0 | 188 | } else if (size == 2) { |
fc01f7e7 | 189 | bsize = 1; |
c4b1fcc0 | 190 | } else if (size == 4) { |
fc01f7e7 | 191 | bsize = 2; |
c4b1fcc0 FB |
192 | } else { |
193 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 194 | return -1; |
c4b1fcc0 FB |
195 | } |
196 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 197 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
198 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
199 | hw_error("register_ioport_read: invalid opaque"); | |
200 | ioport_opaque[i] = opaque; | |
201 | } | |
f1510b2c FB |
202 | return 0; |
203 | } | |
204 | ||
0824d6fc FB |
205 | void pstrcpy(char *buf, int buf_size, const char *str) |
206 | { | |
207 | int c; | |
208 | char *q = buf; | |
209 | ||
210 | if (buf_size <= 0) | |
211 | return; | |
212 | ||
213 | for(;;) { | |
214 | c = *str++; | |
215 | if (c == 0 || q >= buf + buf_size - 1) | |
216 | break; | |
217 | *q++ = c; | |
218 | } | |
219 | *q = '\0'; | |
220 | } | |
221 | ||
222 | /* strcat and truncate. */ | |
223 | char *pstrcat(char *buf, int buf_size, const char *s) | |
224 | { | |
225 | int len; | |
226 | len = strlen(buf); | |
227 | if (len < buf_size) | |
228 | pstrcpy(buf + len, buf_size - len, s); | |
229 | return buf; | |
230 | } | |
231 | ||
0824d6fc FB |
232 | /* return the size or -1 if error */ |
233 | int load_image(const char *filename, uint8_t *addr) | |
234 | { | |
235 | int fd, size; | |
236 | fd = open(filename, O_RDONLY); | |
237 | if (fd < 0) | |
238 | return -1; | |
239 | size = lseek(fd, 0, SEEK_END); | |
240 | lseek(fd, 0, SEEK_SET); | |
241 | if (read(fd, addr, size) != size) { | |
242 | close(fd); | |
243 | return -1; | |
244 | } | |
245 | close(fd); | |
246 | return size; | |
247 | } | |
248 | ||
c45886db | 249 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 250 | { |
c4b1fcc0 FB |
251 | addr &= (MAX_IOPORTS - 1); |
252 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
253 | } |
254 | ||
c45886db | 255 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 256 | { |
c4b1fcc0 FB |
257 | addr &= (MAX_IOPORTS - 1); |
258 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
259 | } |
260 | ||
c45886db | 261 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 262 | { |
c4b1fcc0 FB |
263 | addr &= (MAX_IOPORTS - 1); |
264 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
265 | } |
266 | ||
c45886db | 267 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 268 | { |
c4b1fcc0 FB |
269 | addr &= (MAX_IOPORTS - 1); |
270 | return ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
271 | } |
272 | ||
c45886db | 273 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 274 | { |
c4b1fcc0 FB |
275 | addr &= (MAX_IOPORTS - 1); |
276 | return ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
277 | } |
278 | ||
c45886db | 279 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 280 | { |
c4b1fcc0 FB |
281 | addr &= (MAX_IOPORTS - 1); |
282 | return ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
283 | } |
284 | ||
285 | /***********************************************************/ | |
0824d6fc FB |
286 | void hw_error(const char *fmt, ...) |
287 | { | |
288 | va_list ap; | |
289 | ||
290 | va_start(ap, fmt); | |
291 | fprintf(stderr, "qemu: hardware error: "); | |
292 | vfprintf(stderr, fmt, ap); | |
293 | fprintf(stderr, "\n"); | |
294 | #ifdef TARGET_I386 | |
295 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
296 | #else |
297 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
298 | #endif |
299 | va_end(ap); | |
300 | abort(); | |
301 | } | |
302 | ||
8a7ddc38 FB |
303 | /***********************************************************/ |
304 | /* timers */ | |
305 | ||
34865134 FB |
306 | #if defined(__powerpc__) |
307 | ||
308 | static inline uint32_t get_tbl(void) | |
0824d6fc | 309 | { |
34865134 FB |
310 | uint32_t tbl; |
311 | asm volatile("mftb %0" : "=r" (tbl)); | |
312 | return tbl; | |
0824d6fc FB |
313 | } |
314 | ||
34865134 FB |
315 | static inline uint32_t get_tbu(void) |
316 | { | |
317 | uint32_t tbl; | |
318 | asm volatile("mftbu %0" : "=r" (tbl)); | |
319 | return tbl; | |
320 | } | |
321 | ||
322 | int64_t cpu_get_real_ticks(void) | |
323 | { | |
324 | uint32_t l, h, h1; | |
325 | /* NOTE: we test if wrapping has occurred */ | |
326 | do { | |
327 | h = get_tbu(); | |
328 | l = get_tbl(); | |
329 | h1 = get_tbu(); | |
330 | } while (h != h1); | |
331 | return ((int64_t)h << 32) | l; | |
332 | } | |
333 | ||
334 | #elif defined(__i386__) | |
335 | ||
336 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
337 | { |
338 | int64_t val; | |
339 | asm("rdtsc" : "=A" (val)); | |
340 | return val; | |
341 | } | |
342 | ||
34865134 FB |
343 | #else |
344 | #error unsupported CPU | |
345 | #endif | |
346 | ||
347 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 348 | static int cpu_ticks_enabled; |
34865134 | 349 | |
8a7ddc38 | 350 | static inline int64_t cpu_get_ticks(void) |
34865134 | 351 | { |
8a7ddc38 FB |
352 | if (!cpu_ticks_enabled) { |
353 | return cpu_ticks_offset; | |
354 | } else { | |
355 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
356 | } | |
34865134 FB |
357 | } |
358 | ||
359 | /* enable cpu_get_ticks() */ | |
360 | void cpu_enable_ticks(void) | |
361 | { | |
8a7ddc38 FB |
362 | if (!cpu_ticks_enabled) { |
363 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
364 | cpu_ticks_enabled = 1; | |
365 | } | |
34865134 FB |
366 | } |
367 | ||
368 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
369 | cpu_get_ticks() after that. */ | |
370 | void cpu_disable_ticks(void) | |
371 | { | |
8a7ddc38 FB |
372 | if (cpu_ticks_enabled) { |
373 | cpu_ticks_offset = cpu_get_ticks(); | |
374 | cpu_ticks_enabled = 0; | |
375 | } | |
34865134 FB |
376 | } |
377 | ||
378 | int64_t get_clock(void) | |
379 | { | |
380 | struct timeval tv; | |
381 | gettimeofday(&tv, NULL); | |
382 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
383 | } | |
384 | ||
0824d6fc FB |
385 | void cpu_calibrate_ticks(void) |
386 | { | |
387 | int64_t usec, ticks; | |
388 | ||
389 | usec = get_clock(); | |
8a7ddc38 | 390 | ticks = cpu_get_real_ticks(); |
0824d6fc FB |
391 | usleep(50 * 1000); |
392 | usec = get_clock() - usec; | |
8a7ddc38 | 393 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
394 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
395 | } | |
396 | ||
87858c89 | 397 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 398 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
399 | { |
400 | union { | |
401 | uint64_t ll; | |
402 | struct { | |
403 | #ifdef WORDS_BIGENDIAN | |
404 | uint32_t high, low; | |
405 | #else | |
406 | uint32_t low, high; | |
407 | #endif | |
408 | } l; | |
409 | } u, res; | |
410 | uint64_t rl, rh; | |
411 | ||
412 | u.ll = a; | |
413 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
414 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
415 | rh += (rl >> 32); | |
416 | res.l.high = rh / c; | |
417 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
418 | return res.ll; | |
419 | } | |
420 | ||
8a7ddc38 FB |
421 | #define QEMU_TIMER_REALTIME 0 |
422 | #define QEMU_TIMER_VIRTUAL 1 | |
423 | ||
424 | struct QEMUClock { | |
425 | int type; | |
426 | /* XXX: add frequency */ | |
427 | }; | |
428 | ||
429 | struct QEMUTimer { | |
430 | QEMUClock *clock; | |
431 | int64_t expire_time; | |
432 | QEMUTimerCB *cb; | |
433 | void *opaque; | |
434 | struct QEMUTimer *next; | |
435 | }; | |
436 | ||
437 | QEMUClock *rt_clock; | |
438 | QEMUClock *vm_clock; | |
439 | ||
440 | static QEMUTimer *active_timers[2]; | |
441 | /* frequency of the times() clock tick */ | |
442 | static int timer_freq; | |
443 | ||
444 | QEMUClock *qemu_new_clock(int type) | |
445 | { | |
446 | QEMUClock *clock; | |
447 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
448 | if (!clock) | |
449 | return NULL; | |
450 | clock->type = type; | |
451 | return clock; | |
452 | } | |
453 | ||
454 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
455 | { | |
456 | QEMUTimer *ts; | |
457 | ||
458 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
459 | ts->clock = clock; | |
460 | ts->cb = cb; | |
461 | ts->opaque = opaque; | |
462 | return ts; | |
463 | } | |
464 | ||
465 | void qemu_free_timer(QEMUTimer *ts) | |
466 | { | |
467 | qemu_free(ts); | |
468 | } | |
469 | ||
470 | /* stop a timer, but do not dealloc it */ | |
471 | void qemu_del_timer(QEMUTimer *ts) | |
472 | { | |
473 | QEMUTimer **pt, *t; | |
474 | ||
475 | /* NOTE: this code must be signal safe because | |
476 | qemu_timer_expired() can be called from a signal. */ | |
477 | pt = &active_timers[ts->clock->type]; | |
478 | for(;;) { | |
479 | t = *pt; | |
480 | if (!t) | |
481 | break; | |
482 | if (t == ts) { | |
483 | *pt = t->next; | |
484 | break; | |
485 | } | |
486 | pt = &t->next; | |
487 | } | |
488 | } | |
489 | ||
490 | /* modify the current timer so that it will be fired when current_time | |
491 | >= expire_time. The corresponding callback will be called. */ | |
492 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
493 | { | |
494 | QEMUTimer **pt, *t; | |
495 | ||
496 | qemu_del_timer(ts); | |
497 | ||
498 | /* add the timer in the sorted list */ | |
499 | /* NOTE: this code must be signal safe because | |
500 | qemu_timer_expired() can be called from a signal. */ | |
501 | pt = &active_timers[ts->clock->type]; | |
502 | for(;;) { | |
503 | t = *pt; | |
504 | if (!t) | |
505 | break; | |
506 | if (t->expire_time > expire_time) | |
507 | break; | |
508 | pt = &t->next; | |
509 | } | |
510 | ts->expire_time = expire_time; | |
511 | ts->next = *pt; | |
512 | *pt = ts; | |
513 | } | |
514 | ||
515 | int qemu_timer_pending(QEMUTimer *ts) | |
516 | { | |
517 | QEMUTimer *t; | |
518 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
519 | if (t == ts) | |
520 | return 1; | |
521 | } | |
522 | return 0; | |
523 | } | |
524 | ||
525 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
526 | { | |
527 | if (!timer_head) | |
528 | return 0; | |
529 | return (timer_head->expire_time <= current_time); | |
530 | } | |
531 | ||
532 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
533 | { | |
534 | QEMUTimer *ts; | |
535 | ||
536 | for(;;) { | |
537 | ts = *ptimer_head; | |
538 | if (ts->expire_time > current_time) | |
539 | break; | |
540 | /* remove timer from the list before calling the callback */ | |
541 | *ptimer_head = ts->next; | |
542 | ts->next = NULL; | |
543 | ||
544 | /* run the callback (the timer list can be modified) */ | |
545 | ts->cb(ts->opaque); | |
546 | } | |
547 | } | |
548 | ||
549 | int64_t qemu_get_clock(QEMUClock *clock) | |
550 | { | |
551 | switch(clock->type) { | |
552 | case QEMU_TIMER_REALTIME: | |
553 | /* XXX: portability among Linux hosts */ | |
554 | if (timer_freq == 100) { | |
555 | return times(NULL) * 10; | |
556 | } else { | |
557 | return ((int64_t)times(NULL) * 1000) / timer_freq; | |
558 | } | |
559 | default: | |
560 | case QEMU_TIMER_VIRTUAL: | |
561 | return cpu_get_ticks(); | |
562 | } | |
563 | } | |
564 | ||
565 | /* save a timer */ | |
566 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
567 | { | |
568 | uint64_t expire_time; | |
569 | ||
570 | if (qemu_timer_pending(ts)) { | |
571 | expire_time = ts->expire_time; | |
572 | } else { | |
573 | expire_time = -1; | |
574 | } | |
575 | qemu_put_be64(f, expire_time); | |
576 | } | |
577 | ||
578 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
579 | { | |
580 | uint64_t expire_time; | |
581 | ||
582 | expire_time = qemu_get_be64(f); | |
583 | if (expire_time != -1) { | |
584 | qemu_mod_timer(ts, expire_time); | |
585 | } else { | |
586 | qemu_del_timer(ts); | |
587 | } | |
588 | } | |
589 | ||
590 | static void timer_save(QEMUFile *f, void *opaque) | |
591 | { | |
592 | if (cpu_ticks_enabled) { | |
593 | hw_error("cannot save state if virtual timers are running"); | |
594 | } | |
595 | qemu_put_be64s(f, &cpu_ticks_offset); | |
596 | qemu_put_be64s(f, &ticks_per_sec); | |
597 | } | |
598 | ||
599 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
600 | { | |
601 | if (version_id != 1) | |
602 | return -EINVAL; | |
603 | if (cpu_ticks_enabled) { | |
604 | return -EINVAL; | |
605 | } | |
606 | qemu_get_be64s(f, &cpu_ticks_offset); | |
607 | qemu_get_be64s(f, &ticks_per_sec); | |
608 | return 0; | |
609 | } | |
610 | ||
611 | static void host_alarm_handler(int host_signum) | |
612 | { | |
613 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
614 | qemu_get_clock(vm_clock)) || | |
615 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
616 | qemu_get_clock(rt_clock))) { | |
617 | /* stop the cpu because a timer occured */ | |
618 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
619 | } | |
620 | } | |
621 | ||
622 | static void init_timers(void) | |
623 | { | |
624 | struct sigaction act; | |
625 | struct itimerval itv; | |
626 | ||
627 | /* get times() syscall frequency */ | |
628 | timer_freq = sysconf(_SC_CLK_TCK); | |
629 | ||
630 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
631 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
632 | ||
633 | /* timer signal */ | |
634 | sigfillset(&act.sa_mask); | |
635 | act.sa_flags = 0; | |
636 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
637 | act.sa_flags |= SA_ONSTACK; | |
638 | #endif | |
639 | act.sa_handler = host_alarm_handler; | |
640 | sigaction(SIGALRM, &act, NULL); | |
641 | ||
642 | itv.it_interval.tv_sec = 0; | |
643 | itv.it_interval.tv_usec = 1000; | |
644 | itv.it_value.tv_sec = 0; | |
645 | itv.it_value.tv_usec = 10 * 1000; | |
646 | setitimer(ITIMER_REAL, &itv, NULL); | |
647 | /* we probe the tick duration of the kernel to inform the user if | |
648 | the emulated kernel requested a too high timer frequency */ | |
649 | getitimer(ITIMER_REAL, &itv); | |
650 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / | |
651 | 1000000; | |
652 | } | |
653 | ||
c4b1fcc0 FB |
654 | /***********************************************************/ |
655 | /* serial device */ | |
313aa567 | 656 | |
c4b1fcc0 | 657 | int serial_open_device(void) |
313aa567 | 658 | { |
c4b1fcc0 FB |
659 | char slave_name[1024]; |
660 | int master_fd, slave_fd; | |
313aa567 | 661 | |
c4b1fcc0 FB |
662 | if (serial_console == NULL && nographic) { |
663 | /* use console for serial port */ | |
664 | return 0; | |
80cabfad | 665 | } else { |
c4b1fcc0 FB |
666 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
667 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
668 | return -1; | |
669 | } | |
670 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
671 | return master_fd; | |
330d0414 | 672 | } |
330d0414 FB |
673 | } |
674 | ||
80cabfad FB |
675 | /***********************************************************/ |
676 | /* Linux network device redirector */ | |
330d0414 | 677 | |
c4b1fcc0 | 678 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 679 | { |
80cabfad | 680 | struct ifreq ifr; |
c4b1fcc0 | 681 | int fd, ret; |
80cabfad FB |
682 | |
683 | fd = open("/dev/net/tun", O_RDWR); | |
684 | if (fd < 0) { | |
685 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
686 | return -1; | |
330d0414 | 687 | } |
80cabfad FB |
688 | memset(&ifr, 0, sizeof(ifr)); |
689 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
690 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
691 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
692 | if (ret != 0) { | |
693 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
694 | close(fd); | |
695 | return -1; | |
696 | } | |
697 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 698 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 699 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
700 | return fd; |
701 | } | |
330d0414 | 702 | |
c4b1fcc0 FB |
703 | static int net_init(void) |
704 | { | |
705 | int pid, status, launch_script, i; | |
706 | NetDriverState *nd; | |
707 | char *args[MAX_NICS + 2]; | |
708 | char **parg; | |
709 | ||
710 | launch_script = 0; | |
711 | for(i = 0; i < nb_nics; i++) { | |
712 | nd = &nd_table[i]; | |
713 | if (nd->fd < 0) { | |
714 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); | |
715 | if (nd->fd >= 0) | |
716 | launch_script = 1; | |
80cabfad | 717 | } |
c4b1fcc0 FB |
718 | } |
719 | ||
720 | if (launch_script) { | |
721 | /* try to launch network init script */ | |
722 | pid = fork(); | |
723 | if (pid >= 0) { | |
724 | if (pid == 0) { | |
725 | parg = args; | |
726 | *parg++ = network_script; | |
727 | for(i = 0; i < nb_nics; i++) { | |
728 | nd = &nd_table[i]; | |
729 | if (nd->fd >= 0) { | |
730 | *parg++ = nd->ifname; | |
731 | } | |
732 | } | |
733 | *parg++ = NULL; | |
734 | execv(network_script, args); | |
735 | exit(1); | |
736 | } | |
737 | while (waitpid(pid, &status, 0) != pid); | |
738 | if (!WIFEXITED(status) || | |
739 | WEXITSTATUS(status) != 0) { | |
740 | fprintf(stderr, "%s: could not launch network script\n", | |
741 | network_script); | |
742 | } | |
80cabfad | 743 | } |
330d0414 | 744 | } |
80cabfad | 745 | return 0; |
330d0414 FB |
746 | } |
747 | ||
c4b1fcc0 | 748 | void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
330d0414 | 749 | { |
80cabfad FB |
750 | #ifdef DEBUG_NE2000 |
751 | printf("NE2000: sending packet size=%d\n", size); | |
c45886db | 752 | #endif |
c4b1fcc0 | 753 | write(nd->fd, buf, size); |
80cabfad | 754 | } |
330d0414 | 755 | |
313aa567 FB |
756 | /***********************************************************/ |
757 | /* dumb display */ | |
758 | ||
759 | /* init terminal so that we can grab keys */ | |
760 | static struct termios oldtty; | |
761 | ||
762 | static void term_exit(void) | |
763 | { | |
764 | tcsetattr (0, TCSANOW, &oldtty); | |
765 | } | |
766 | ||
767 | static void term_init(void) | |
768 | { | |
769 | struct termios tty; | |
770 | ||
771 | tcgetattr (0, &tty); | |
772 | oldtty = tty; | |
773 | ||
774 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
775 | |INLCR|IGNCR|ICRNL|IXON); | |
776 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
777 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
778 | /* if graphical mode, we allow Ctrl-C handling */ | |
779 | if (nographic) | |
780 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
781 | tty.c_cflag &= ~(CSIZE|PARENB); |
782 | tty.c_cflag |= CS8; | |
783 | tty.c_cc[VMIN] = 1; | |
784 | tty.c_cc[VTIME] = 0; | |
785 | ||
786 | tcsetattr (0, TCSANOW, &tty); | |
787 | ||
788 | atexit(term_exit); | |
789 | ||
790 | fcntl(0, F_SETFL, O_NONBLOCK); | |
791 | } | |
792 | ||
793 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
794 | { | |
795 | } | |
796 | ||
797 | static void dumb_resize(DisplayState *ds, int w, int h) | |
798 | { | |
799 | } | |
800 | ||
801 | static void dumb_refresh(DisplayState *ds) | |
802 | { | |
803 | vga_update_display(); | |
804 | } | |
805 | ||
806 | void dumb_display_init(DisplayState *ds) | |
807 | { | |
808 | ds->data = NULL; | |
809 | ds->linesize = 0; | |
810 | ds->depth = 0; | |
811 | ds->dpy_update = dumb_update; | |
812 | ds->dpy_resize = dumb_resize; | |
813 | ds->dpy_refresh = dumb_refresh; | |
814 | } | |
815 | ||
3a51dee6 | 816 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 817 | /***********************************************************/ |
0824d6fc FB |
818 | /* cpu signal handler */ |
819 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
820 | void *puc) | |
821 | { | |
822 | if (cpu_signal_handler(host_signum, info, puc)) | |
823 | return; | |
824 | term_exit(); | |
825 | abort(); | |
826 | } | |
3a51dee6 | 827 | #endif |
0824d6fc | 828 | |
8a7ddc38 FB |
829 | /***********************************************************/ |
830 | /* I/O handling */ | |
0824d6fc | 831 | |
c4b1fcc0 FB |
832 | #define MAX_IO_HANDLERS 64 |
833 | ||
834 | typedef struct IOHandlerRecord { | |
835 | int fd; | |
836 | IOCanRWHandler *fd_can_read; | |
837 | IOReadHandler *fd_read; | |
838 | void *opaque; | |
839 | /* temporary data */ | |
840 | struct pollfd *ufd; | |
841 | int max_size; | |
8a7ddc38 | 842 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
843 | } IOHandlerRecord; |
844 | ||
8a7ddc38 | 845 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 846 | |
8a7ddc38 FB |
847 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
848 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
849 | { |
850 | IOHandlerRecord *ioh; | |
851 | ||
8a7ddc38 FB |
852 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
853 | if (!ioh) | |
c4b1fcc0 | 854 | return -1; |
c4b1fcc0 FB |
855 | ioh->fd = fd; |
856 | ioh->fd_can_read = fd_can_read; | |
857 | ioh->fd_read = fd_read; | |
858 | ioh->opaque = opaque; | |
8a7ddc38 FB |
859 | ioh->next = first_io_handler; |
860 | first_io_handler = ioh; | |
c4b1fcc0 FB |
861 | return 0; |
862 | } | |
863 | ||
8a7ddc38 FB |
864 | void qemu_del_fd_read_handler(int fd) |
865 | { | |
866 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 867 | |
8a7ddc38 FB |
868 | pioh = &first_io_handler; |
869 | for(;;) { | |
870 | ioh = *pioh; | |
871 | if (ioh == NULL) | |
872 | break; | |
873 | if (ioh->fd == fd) { | |
874 | *pioh = ioh->next; | |
875 | break; | |
876 | } | |
877 | pioh = &ioh->next; | |
878 | } | |
879 | } | |
880 | ||
881 | /***********************************************************/ | |
882 | /* savevm/loadvm support */ | |
883 | ||
884 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 885 | { |
8a7ddc38 | 886 | fwrite(buf, 1, size, f); |
b4608c04 FB |
887 | } |
888 | ||
8a7ddc38 | 889 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 890 | { |
8a7ddc38 FB |
891 | fputc(v, f); |
892 | } | |
893 | ||
894 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
895 | { | |
896 | qemu_put_byte(f, v >> 8); | |
897 | qemu_put_byte(f, v); | |
898 | } | |
899 | ||
900 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
901 | { | |
902 | qemu_put_byte(f, v >> 24); | |
903 | qemu_put_byte(f, v >> 16); | |
904 | qemu_put_byte(f, v >> 8); | |
905 | qemu_put_byte(f, v); | |
906 | } | |
907 | ||
908 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
909 | { | |
910 | qemu_put_be32(f, v >> 32); | |
911 | qemu_put_be32(f, v); | |
912 | } | |
913 | ||
914 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
915 | { | |
916 | return fread(buf, 1, size, f); | |
917 | } | |
918 | ||
919 | int qemu_get_byte(QEMUFile *f) | |
920 | { | |
921 | int v; | |
922 | v = fgetc(f); | |
923 | if (v == EOF) | |
924 | return 0; | |
925 | else | |
926 | return v; | |
927 | } | |
928 | ||
929 | unsigned int qemu_get_be16(QEMUFile *f) | |
930 | { | |
931 | unsigned int v; | |
932 | v = qemu_get_byte(f) << 8; | |
933 | v |= qemu_get_byte(f); | |
934 | return v; | |
935 | } | |
936 | ||
937 | unsigned int qemu_get_be32(QEMUFile *f) | |
938 | { | |
939 | unsigned int v; | |
940 | v = qemu_get_byte(f) << 24; | |
941 | v |= qemu_get_byte(f) << 16; | |
942 | v |= qemu_get_byte(f) << 8; | |
943 | v |= qemu_get_byte(f); | |
944 | return v; | |
945 | } | |
946 | ||
947 | uint64_t qemu_get_be64(QEMUFile *f) | |
948 | { | |
949 | uint64_t v; | |
950 | v = (uint64_t)qemu_get_be32(f) << 32; | |
951 | v |= qemu_get_be32(f); | |
952 | return v; | |
953 | } | |
954 | ||
955 | int64_t qemu_ftell(QEMUFile *f) | |
956 | { | |
957 | return ftell(f); | |
958 | } | |
959 | ||
960 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
961 | { | |
962 | if (fseek(f, pos, whence) < 0) | |
963 | return -1; | |
964 | return ftell(f); | |
965 | } | |
966 | ||
967 | typedef struct SaveStateEntry { | |
968 | char idstr[256]; | |
969 | int instance_id; | |
970 | int version_id; | |
971 | SaveStateHandler *save_state; | |
972 | LoadStateHandler *load_state; | |
973 | void *opaque; | |
974 | struct SaveStateEntry *next; | |
975 | } SaveStateEntry; | |
b4608c04 | 976 | |
8a7ddc38 FB |
977 | static SaveStateEntry *first_se; |
978 | ||
979 | int register_savevm(const char *idstr, | |
980 | int instance_id, | |
981 | int version_id, | |
982 | SaveStateHandler *save_state, | |
983 | LoadStateHandler *load_state, | |
984 | void *opaque) | |
985 | { | |
986 | SaveStateEntry *se, **pse; | |
987 | ||
988 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
989 | if (!se) | |
990 | return -1; | |
991 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
992 | se->instance_id = instance_id; | |
993 | se->version_id = version_id; | |
994 | se->save_state = save_state; | |
995 | se->load_state = load_state; | |
996 | se->opaque = opaque; | |
997 | se->next = NULL; | |
998 | ||
999 | /* add at the end of list */ | |
1000 | pse = &first_se; | |
1001 | while (*pse != NULL) | |
1002 | pse = &(*pse)->next; | |
1003 | *pse = se; | |
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1008 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1009 | ||
1010 | int qemu_savevm(const char *filename) | |
1011 | { | |
1012 | SaveStateEntry *se; | |
1013 | QEMUFile *f; | |
1014 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1015 | ||
1016 | saved_vm_running = vm_running; | |
1017 | vm_stop(0); | |
1018 | ||
1019 | f = fopen(filename, "wb"); | |
1020 | if (!f) { | |
1021 | ret = -1; | |
1022 | goto the_end; | |
313aa567 FB |
1023 | } |
1024 | ||
8a7ddc38 FB |
1025 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1026 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1027 | ||
1028 | for(se = first_se; se != NULL; se = se->next) { | |
1029 | /* ID string */ | |
1030 | len = strlen(se->idstr); | |
1031 | qemu_put_byte(f, len); | |
1032 | qemu_put_buffer(f, se->idstr, len); | |
1033 | ||
1034 | qemu_put_be32(f, se->instance_id); | |
1035 | qemu_put_be32(f, se->version_id); | |
1036 | ||
1037 | /* record size: filled later */ | |
1038 | len_pos = ftell(f); | |
1039 | qemu_put_be32(f, 0); | |
1040 | ||
1041 | se->save_state(f, se->opaque); | |
1042 | ||
1043 | /* fill record size */ | |
1044 | cur_pos = ftell(f); | |
1045 | len = ftell(f) - len_pos - 4; | |
1046 | fseek(f, len_pos, SEEK_SET); | |
1047 | qemu_put_be32(f, len); | |
1048 | fseek(f, cur_pos, SEEK_SET); | |
1049 | } | |
1050 | ||
1051 | fclose(f); | |
1052 | ret = 0; | |
1053 | the_end: | |
1054 | if (saved_vm_running) | |
1055 | vm_start(); | |
1056 | return ret; | |
1057 | } | |
1058 | ||
1059 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1060 | { | |
1061 | SaveStateEntry *se; | |
1062 | ||
1063 | for(se = first_se; se != NULL; se = se->next) { | |
1064 | if (!strcmp(se->idstr, idstr) && | |
1065 | instance_id == se->instance_id) | |
1066 | return se; | |
1067 | } | |
1068 | return NULL; | |
1069 | } | |
1070 | ||
1071 | int qemu_loadvm(const char *filename) | |
1072 | { | |
1073 | SaveStateEntry *se; | |
1074 | QEMUFile *f; | |
1075 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1076 | int saved_vm_running; | |
1077 | unsigned int v; | |
1078 | char idstr[256]; | |
1079 | ||
1080 | saved_vm_running = vm_running; | |
1081 | vm_stop(0); | |
1082 | ||
1083 | f = fopen(filename, "rb"); | |
1084 | if (!f) { | |
1085 | ret = -1; | |
1086 | goto the_end; | |
1087 | } | |
1088 | ||
1089 | v = qemu_get_be32(f); | |
1090 | if (v != QEMU_VM_FILE_MAGIC) | |
1091 | goto fail; | |
1092 | v = qemu_get_be32(f); | |
1093 | if (v != QEMU_VM_FILE_VERSION) { | |
1094 | fail: | |
1095 | fclose(f); | |
1096 | ret = -1; | |
1097 | goto the_end; | |
1098 | } | |
b4608c04 | 1099 | for(;;) { |
8a7ddc38 FB |
1100 | len = qemu_get_byte(f); |
1101 | if (feof(f)) | |
cd4c3e88 | 1102 | break; |
8a7ddc38 FB |
1103 | qemu_get_buffer(f, idstr, len); |
1104 | idstr[len] = '\0'; | |
1105 | instance_id = qemu_get_be32(f); | |
1106 | version_id = qemu_get_be32(f); | |
1107 | record_len = qemu_get_be32(f); | |
1108 | #if 0 | |
1109 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1110 | idstr, instance_id, version_id, record_len); | |
1111 | #endif | |
1112 | cur_pos = ftell(f); | |
1113 | se = find_se(idstr, instance_id); | |
1114 | if (!se) { | |
1115 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1116 | instance_id, idstr); | |
1117 | } else { | |
1118 | ret = se->load_state(f, se->opaque, version_id); | |
1119 | if (ret < 0) { | |
1120 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1121 | instance_id, idstr); | |
1122 | } | |
34865134 | 1123 | } |
8a7ddc38 FB |
1124 | /* always seek to exact end of record */ |
1125 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1126 | } | |
1127 | fclose(f); | |
1128 | ret = 0; | |
1129 | the_end: | |
1130 | if (saved_vm_running) | |
1131 | vm_start(); | |
1132 | return ret; | |
1133 | } | |
1134 | ||
1135 | /***********************************************************/ | |
1136 | /* cpu save/restore */ | |
1137 | ||
1138 | #if defined(TARGET_I386) | |
1139 | ||
1140 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1141 | { | |
1142 | qemu_put_be32(f, (uint32_t)dt->base); | |
1143 | qemu_put_be32(f, dt->limit); | |
1144 | qemu_put_be32(f, dt->flags); | |
1145 | } | |
1146 | ||
1147 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1148 | { | |
1149 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1150 | dt->limit = qemu_get_be32(f); | |
1151 | dt->flags = qemu_get_be32(f); | |
1152 | } | |
1153 | ||
1154 | void cpu_save(QEMUFile *f, void *opaque) | |
1155 | { | |
1156 | CPUState *env = opaque; | |
1157 | uint16_t fptag, fpus, fpuc; | |
1158 | uint32_t hflags; | |
1159 | int i; | |
1160 | ||
1161 | for(i = 0; i < 8; i++) | |
1162 | qemu_put_be32s(f, &env->regs[i]); | |
1163 | qemu_put_be32s(f, &env->eip); | |
1164 | qemu_put_be32s(f, &env->eflags); | |
1165 | qemu_put_be32s(f, &env->eflags); | |
1166 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1167 | qemu_put_be32s(f, &hflags); | |
1168 | ||
1169 | /* FPU */ | |
1170 | fpuc = env->fpuc; | |
1171 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1172 | fptag = 0; | |
1173 | for (i=7; i>=0; i--) { | |
1174 | fptag <<= 2; | |
1175 | if (env->fptags[i]) { | |
1176 | fptag |= 3; | |
1177 | } | |
1178 | } | |
1179 | ||
1180 | qemu_put_be16s(f, &fpuc); | |
1181 | qemu_put_be16s(f, &fpus); | |
1182 | qemu_put_be16s(f, &fptag); | |
1183 | ||
1184 | for(i = 0; i < 8; i++) { | |
1185 | uint64_t mant; | |
1186 | uint16_t exp; | |
1187 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1188 | qemu_put_be64(f, mant); | |
1189 | qemu_put_be16(f, exp); | |
1190 | } | |
1191 | ||
1192 | for(i = 0; i < 6; i++) | |
1193 | cpu_put_seg(f, &env->segs[i]); | |
1194 | cpu_put_seg(f, &env->ldt); | |
1195 | cpu_put_seg(f, &env->tr); | |
1196 | cpu_put_seg(f, &env->gdt); | |
1197 | cpu_put_seg(f, &env->idt); | |
1198 | ||
1199 | qemu_put_be32s(f, &env->sysenter_cs); | |
1200 | qemu_put_be32s(f, &env->sysenter_esp); | |
1201 | qemu_put_be32s(f, &env->sysenter_eip); | |
1202 | ||
1203 | qemu_put_be32s(f, &env->cr[0]); | |
1204 | qemu_put_be32s(f, &env->cr[2]); | |
1205 | qemu_put_be32s(f, &env->cr[3]); | |
1206 | qemu_put_be32s(f, &env->cr[4]); | |
1207 | ||
1208 | for(i = 0; i < 8; i++) | |
1209 | qemu_put_be32s(f, &env->dr[i]); | |
1210 | ||
1211 | /* MMU */ | |
1212 | qemu_put_be32s(f, &env->a20_mask); | |
1213 | } | |
1214 | ||
1215 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1216 | { | |
1217 | CPUState *env = opaque; | |
1218 | int i; | |
1219 | uint32_t hflags; | |
1220 | uint16_t fpus, fpuc, fptag; | |
1221 | ||
1222 | if (version_id != 1) | |
1223 | return -EINVAL; | |
1224 | for(i = 0; i < 8; i++) | |
1225 | qemu_get_be32s(f, &env->regs[i]); | |
1226 | qemu_get_be32s(f, &env->eip); | |
1227 | qemu_get_be32s(f, &env->eflags); | |
1228 | qemu_get_be32s(f, &env->eflags); | |
1229 | qemu_get_be32s(f, &hflags); | |
1230 | ||
1231 | qemu_get_be16s(f, &fpuc); | |
1232 | qemu_get_be16s(f, &fpus); | |
1233 | qemu_get_be16s(f, &fptag); | |
1234 | ||
1235 | for(i = 0; i < 8; i++) { | |
1236 | uint64_t mant; | |
1237 | uint16_t exp; | |
1238 | mant = qemu_get_be64(f); | |
1239 | exp = qemu_get_be16(f); | |
1240 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1241 | } | |
1242 | ||
1243 | env->fpuc = fpuc; | |
1244 | env->fpstt = (fpus >> 11) & 7; | |
1245 | env->fpus = fpus & ~0x3800; | |
1246 | for(i = 0; i < 8; i++) { | |
1247 | env->fptags[i] = ((fptag & 3) == 3); | |
1248 | fptag >>= 2; | |
1249 | } | |
1250 | ||
1251 | for(i = 0; i < 6; i++) | |
1252 | cpu_get_seg(f, &env->segs[i]); | |
1253 | cpu_get_seg(f, &env->ldt); | |
1254 | cpu_get_seg(f, &env->tr); | |
1255 | cpu_get_seg(f, &env->gdt); | |
1256 | cpu_get_seg(f, &env->idt); | |
1257 | ||
1258 | qemu_get_be32s(f, &env->sysenter_cs); | |
1259 | qemu_get_be32s(f, &env->sysenter_esp); | |
1260 | qemu_get_be32s(f, &env->sysenter_eip); | |
1261 | ||
1262 | qemu_get_be32s(f, &env->cr[0]); | |
1263 | qemu_get_be32s(f, &env->cr[2]); | |
1264 | qemu_get_be32s(f, &env->cr[3]); | |
1265 | qemu_get_be32s(f, &env->cr[4]); | |
1266 | ||
1267 | for(i = 0; i < 8; i++) | |
1268 | qemu_get_be32s(f, &env->dr[i]); | |
1269 | ||
1270 | /* MMU */ | |
1271 | qemu_get_be32s(f, &env->a20_mask); | |
1272 | ||
1273 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1274 | env->hflags = hflags; | |
1275 | tlb_flush(env, 1); | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | #else | |
1280 | ||
1281 | #warning No CPU save/restore functions | |
1282 | ||
1283 | #endif | |
1284 | ||
1285 | /***********************************************************/ | |
1286 | /* ram save/restore */ | |
1287 | ||
1288 | /* we just avoid storing empty pages */ | |
1289 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1290 | { | |
1291 | int i, v; | |
1292 | ||
1293 | v = buf[0]; | |
1294 | for(i = 1; i < len; i++) { | |
1295 | if (buf[i] != v) | |
1296 | goto normal_save; | |
1297 | } | |
1298 | qemu_put_byte(f, 1); | |
1299 | qemu_put_byte(f, v); | |
1300 | return; | |
1301 | normal_save: | |
1302 | qemu_put_byte(f, 0); | |
1303 | qemu_put_buffer(f, buf, len); | |
1304 | } | |
1305 | ||
1306 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1307 | { | |
1308 | int v; | |
1309 | ||
1310 | v = qemu_get_byte(f); | |
1311 | switch(v) { | |
1312 | case 0: | |
1313 | if (qemu_get_buffer(f, buf, len) != len) | |
1314 | return -EIO; | |
1315 | break; | |
1316 | case 1: | |
1317 | v = qemu_get_byte(f); | |
1318 | memset(buf, v, len); | |
1319 | break; | |
1320 | default: | |
1321 | return -EINVAL; | |
1322 | } | |
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | static void ram_save(QEMUFile *f, void *opaque) | |
1327 | { | |
1328 | int i; | |
1329 | qemu_put_be32(f, phys_ram_size); | |
1330 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1331 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1332 | } | |
1333 | } | |
1334 | ||
1335 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1336 | { | |
1337 | int i, ret; | |
1338 | ||
1339 | if (version_id != 1) | |
1340 | return -EINVAL; | |
1341 | if (qemu_get_be32(f) != phys_ram_size) | |
1342 | return -EINVAL; | |
1343 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1344 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1345 | if (ret) | |
1346 | return ret; | |
1347 | } | |
1348 | return 0; | |
1349 | } | |
1350 | ||
1351 | /***********************************************************/ | |
1352 | /* main execution loop */ | |
1353 | ||
1354 | void gui_update(void *opaque) | |
1355 | { | |
1356 | display_state.dpy_refresh(&display_state); | |
1357 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1358 | } | |
1359 | ||
1360 | /* XXX: support several handlers */ | |
1361 | VMStopHandler *vm_stop_cb; | |
1362 | VMStopHandler *vm_stop_opaque; | |
1363 | ||
1364 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1365 | { | |
1366 | vm_stop_cb = cb; | |
1367 | vm_stop_opaque = opaque; | |
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1372 | { | |
1373 | vm_stop_cb = NULL; | |
1374 | } | |
1375 | ||
1376 | void vm_start(void) | |
1377 | { | |
1378 | if (!vm_running) { | |
1379 | cpu_enable_ticks(); | |
1380 | vm_running = 1; | |
1381 | } | |
1382 | } | |
1383 | ||
1384 | void vm_stop(int reason) | |
1385 | { | |
1386 | if (vm_running) { | |
1387 | cpu_disable_ticks(); | |
1388 | vm_running = 0; | |
1389 | if (reason != 0) { | |
1390 | if (vm_stop_cb) { | |
1391 | vm_stop_cb(vm_stop_opaque, reason); | |
1392 | } | |
34865134 | 1393 | } |
8a7ddc38 FB |
1394 | } |
1395 | } | |
1396 | ||
1397 | int main_loop(void) | |
1398 | { | |
1399 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; | |
1400 | int ret, n, timeout, max_size; | |
1401 | uint8_t buf[4096]; | |
1402 | IOHandlerRecord *ioh, *ioh_next; | |
1403 | CPUState *env = global_env; | |
1404 | ||
1405 | for(;;) { | |
1406 | if (vm_running) { | |
1407 | ret = cpu_exec(env); | |
1408 | if (reset_requested) { | |
1409 | ret = EXCP_INTERRUPT; | |
1410 | break; | |
1411 | } | |
1412 | if (ret == EXCP_DEBUG) { | |
1413 | vm_stop(EXCP_DEBUG); | |
1414 | } | |
1415 | /* if hlt instruction, we wait until the next IRQ */ | |
1416 | /* XXX: use timeout computed from timers */ | |
1417 | if (ret == EXCP_HLT) | |
1418 | timeout = 10; | |
1419 | else | |
1420 | timeout = 0; | |
1421 | } else { | |
b4608c04 | 1422 | timeout = 10; |
8a7ddc38 | 1423 | } |
c4b1fcc0 | 1424 | |
b4608c04 | 1425 | /* poll any events */ |
8a7ddc38 | 1426 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1427 | pf = ufds; |
8a7ddc38 FB |
1428 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1429 | if (!ioh->fd_can_read) { | |
1430 | max_size = 0; | |
c4b1fcc0 FB |
1431 | pf->fd = ioh->fd; |
1432 | pf->events = POLLIN; | |
1433 | ioh->ufd = pf; | |
1434 | pf++; | |
1435 | } else { | |
8a7ddc38 FB |
1436 | max_size = ioh->fd_can_read(ioh->opaque); |
1437 | if (max_size > 0) { | |
1438 | if (max_size > sizeof(buf)) | |
1439 | max_size = sizeof(buf); | |
1440 | pf->fd = ioh->fd; | |
1441 | pf->events = POLLIN; | |
1442 | ioh->ufd = pf; | |
1443 | pf++; | |
1444 | } else { | |
1445 | ioh->ufd = NULL; | |
1446 | } | |
c4b1fcc0 FB |
1447 | } |
1448 | ioh->max_size = max_size; | |
b4608c04 FB |
1449 | } |
1450 | ||
1451 | ret = poll(ufds, pf - ufds, timeout); | |
1452 | if (ret > 0) { | |
8a7ddc38 FB |
1453 | /* XXX: better handling of removal */ |
1454 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1455 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1456 | pf = ioh->ufd; |
1457 | if (pf) { | |
8a7ddc38 FB |
1458 | if (pf->revents & POLLIN) { |
1459 | if (ioh->max_size == 0) { | |
1460 | /* just a read event */ | |
1461 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1462 | } else { | |
1463 | n = read(ioh->fd, buf, ioh->max_size); | |
1464 | if (n >= 0) { | |
1465 | ioh->fd_read(ioh->opaque, buf, n); | |
1466 | } else if (errno != -EAGAIN) { | |
1467 | ioh->fd_read(ioh->opaque, NULL, -errno); | |
1468 | } | |
1469 | } | |
b4608c04 | 1470 | } |
b4608c04 | 1471 | } |
b4608c04 FB |
1472 | } |
1473 | } | |
1474 | ||
8a7ddc38 FB |
1475 | if (vm_running) { |
1476 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1477 | qemu_get_clock(vm_clock)); | |
1478 | ||
1479 | /* XXX: add explicit timer */ | |
1480 | SB16_run(); | |
1481 | ||
1482 | /* run dma transfers, if any */ | |
1483 | DMA_run(); | |
b4608c04 | 1484 | } |
313aa567 | 1485 | |
8a7ddc38 FB |
1486 | /* real time timers */ |
1487 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1488 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1489 | } |
34865134 FB |
1490 | cpu_disable_ticks(); |
1491 | return ret; | |
b4608c04 FB |
1492 | } |
1493 | ||
0824d6fc FB |
1494 | void help(void) |
1495 | { | |
a20dd508 | 1496 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n" |
0db63474 | 1497 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1498 | "\n" |
a20dd508 | 1499 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1500 | "\n" |
a20dd508 | 1501 | "Standard options:\n" |
c45886db | 1502 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1503 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1504 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1505 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1506 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 FB |
1507 | "-snapshot write to temporary files instead of disk image files\n" |
1508 | "-m megs set virtual RAM size to megs MB\n" | |
c4b1fcc0 FB |
1509 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
1510 | "\n" | |
1511 | "Network options:\n" | |
a20dd508 | 1512 | "-n script set network init script [default=%s]\n" |
c4b1fcc0 FB |
1513 | "-nics n simulate 'n' network interfaces [default=1]\n" |
1514 | "-tun-fd fd0[,...] use these fds as already opened tap/tun interfaces\n" | |
a20dd508 | 1515 | "\n" |
c4b1fcc0 | 1516 | "Linux boot specific:\n" |
a20dd508 FB |
1517 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1518 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1519 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1520 | "\n" |
330d0414 | 1521 | "Debug/Expert options:\n" |
a20dd508 FB |
1522 | "-s wait gdb connection to port %d\n" |
1523 | "-p port change gdb connection port\n" | |
f193c797 | 1524 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1525 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1526 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1527 | #ifdef USE_CODE_COPY |
1528 | "-no-code-copy disable code copy acceleration\n" | |
1529 | #endif | |
1530 | ||
0824d6fc | 1531 | "\n" |
f1510b2c | 1532 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1533 | #ifdef CONFIG_SOFTMMU |
1534 | "qemu", | |
1535 | #else | |
1536 | "qemu-fast", | |
1537 | #endif | |
1538 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
1539 | DEFAULT_GDBSTUB_PORT, |
1540 | "/tmp/qemu.log"); | |
0824d6fc | 1541 | term_print_help(); |
0db63474 FB |
1542 | #ifndef CONFIG_SOFTMMU |
1543 | printf("\n" | |
1544 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
1545 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
1546 | "PC emulation.\n"); | |
1547 | #endif | |
0824d6fc FB |
1548 | exit(1); |
1549 | } | |
1550 | ||
fc01f7e7 FB |
1551 | struct option long_options[] = { |
1552 | { "initrd", 1, NULL, 0, }, | |
1553 | { "hda", 1, NULL, 0, }, | |
1554 | { "hdb", 1, NULL, 0, }, | |
33e3963e | 1555 | { "snapshot", 0, NULL, 0, }, |
330d0414 | 1556 | { "hdachs", 1, NULL, 0, }, |
a20dd508 FB |
1557 | { "nographic", 0, NULL, 0, }, |
1558 | { "kernel", 1, NULL, 0, }, | |
1559 | { "append", 1, NULL, 0, }, | |
42f1e0e4 | 1560 | { "tun-fd", 1, NULL, 0, }, |
36b486bb FB |
1561 | { "hdc", 1, NULL, 0, }, |
1562 | { "hdd", 1, NULL, 0, }, | |
1563 | { "cdrom", 1, NULL, 0, }, | |
1564 | { "boot", 1, NULL, 0, }, | |
c45886db FB |
1565 | { "fda", 1, NULL, 0, }, |
1566 | { "fdb", 1, NULL, 0, }, | |
c4b1fcc0 FB |
1567 | { "no-code-copy", 0, NULL, 0 }, |
1568 | { "nics", 1, NULL, 0 }, | |
fc01f7e7 FB |
1569 | { NULL, 0, NULL, 0 }, |
1570 | }; | |
1571 | ||
a20dd508 FB |
1572 | #ifdef CONFIG_SDL |
1573 | /* SDL use the pthreads and they modify sigaction. We don't | |
1574 | want that. */ | |
dc887a4d | 1575 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) |
a20dd508 FB |
1576 | extern void __libc_sigaction(); |
1577 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
1578 | #else | |
1579 | extern void __sigaction(); | |
1580 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
1581 | #endif | |
1582 | #endif /* CONFIG_SDL */ | |
1583 | ||
77fef8c1 FB |
1584 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
1585 | ||
1586 | /* this stack is only used during signal handling */ | |
1587 | #define SIGNAL_STACK_SIZE 32768 | |
1588 | ||
1589 | static uint8_t *signal_stack; | |
1590 | ||
1591 | #endif | |
1592 | ||
0824d6fc FB |
1593 | int main(int argc, char **argv) |
1594 | { | |
c4b1fcc0 | 1595 | int c, i, use_gdbstub, gdbstub_port, long_index, has_cdrom; |
1ccde1cb | 1596 | int snapshot, linux_boot; |
c45886db | 1597 | CPUState *env; |
7f7f9873 | 1598 | const char *initrd_filename; |
c45886db | 1599 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 1600 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 1601 | DisplayState *ds = &display_state; |
c4b1fcc0 | 1602 | int cyls, heads, secs; |
313aa567 | 1603 | |
0824d6fc FB |
1604 | /* we never want that malloc() uses mmap() */ |
1605 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
fc01f7e7 | 1606 | initrd_filename = NULL; |
c45886db FB |
1607 | for(i = 0; i < MAX_FD; i++) |
1608 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
1609 | for(i = 0; i < MAX_DISKS; i++) |
1610 | hd_filename[i] = NULL; | |
1ccde1cb | 1611 | ram_size = 32 * 1024 * 1024; |
313aa567 | 1612 | vga_ram_size = VGA_RAM_SIZE; |
f1510b2c | 1613 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
b4608c04 FB |
1614 | use_gdbstub = 0; |
1615 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
33e3963e | 1616 | snapshot = 0; |
a20dd508 FB |
1617 | nographic = 0; |
1618 | kernel_filename = NULL; | |
1619 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
1620 | has_cdrom = 1; |
1621 | cyls = heads = secs = 0; | |
1622 | ||
1623 | nb_nics = 1; | |
1624 | for(i = 0; i < MAX_NICS; i++) { | |
1625 | NetDriverState *nd = &nd_table[i]; | |
1626 | nd->fd = -1; | |
1627 | /* init virtual mac address */ | |
1628 | nd->macaddr[0] = 0x52; | |
1629 | nd->macaddr[1] = 0x54; | |
1630 | nd->macaddr[2] = 0x00; | |
1631 | nd->macaddr[3] = 0x12; | |
1632 | nd->macaddr[4] = 0x34; | |
1633 | nd->macaddr[5] = 0x56 + i; | |
1634 | } | |
1635 | ||
0824d6fc | 1636 | for(;;) { |
f193c797 | 1637 | c = getopt_long_only(argc, argv, "hm:d:n:sp:L:", long_options, &long_index); |
0824d6fc FB |
1638 | if (c == -1) |
1639 | break; | |
1640 | switch(c) { | |
fc01f7e7 FB |
1641 | case 0: |
1642 | switch(long_index) { | |
1643 | case 0: | |
1644 | initrd_filename = optarg; | |
1645 | break; | |
1646 | case 1: | |
1647 | hd_filename[0] = optarg; | |
1648 | break; | |
1649 | case 2: | |
1650 | hd_filename[1] = optarg; | |
1651 | break; | |
33e3963e FB |
1652 | case 3: |
1653 | snapshot = 1; | |
1654 | break; | |
330d0414 FB |
1655 | case 4: |
1656 | { | |
330d0414 FB |
1657 | const char *p; |
1658 | p = optarg; | |
1659 | cyls = strtol(p, (char **)&p, 0); | |
1660 | if (*p != ',') | |
1661 | goto chs_fail; | |
1662 | p++; | |
1663 | heads = strtol(p, (char **)&p, 0); | |
1664 | if (*p != ',') | |
1665 | goto chs_fail; | |
1666 | p++; | |
1667 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
1668 | if (*p != '\0') { |
1669 | chs_fail: | |
1670 | cyls = 0; | |
1671 | } | |
330d0414 FB |
1672 | } |
1673 | break; | |
313aa567 | 1674 | case 5: |
a20dd508 FB |
1675 | nographic = 1; |
1676 | break; | |
1677 | case 6: | |
1678 | kernel_filename = optarg; | |
1679 | break; | |
1680 | case 7: | |
1681 | kernel_cmdline = optarg; | |
313aa567 | 1682 | break; |
42f1e0e4 | 1683 | case 8: |
c4b1fcc0 FB |
1684 | { |
1685 | const char *p; | |
1686 | int fd; | |
1687 | p = optarg; | |
1688 | nb_nics = 0; | |
1689 | for(;;) { | |
1690 | fd = strtol(p, (char **)&p, 0); | |
1691 | nd_table[nb_nics].fd = fd; | |
1692 | snprintf(nd_table[nb_nics].ifname, | |
1693 | sizeof(nd_table[nb_nics].ifname), | |
1694 | "fd%d", nb_nics); | |
1695 | nb_nics++; | |
1696 | if (*p == ',') { | |
1697 | p++; | |
1698 | } else if (*p != '\0') { | |
1699 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_nics); | |
1700 | exit(1); | |
4e463d8d FB |
1701 | } else { |
1702 | break; | |
c4b1fcc0 FB |
1703 | } |
1704 | } | |
1705 | } | |
42f1e0e4 | 1706 | break; |
36b486bb FB |
1707 | case 9: |
1708 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1709 | has_cdrom = 0; |
36b486bb FB |
1710 | break; |
1711 | case 10: | |
1712 | hd_filename[3] = optarg; | |
1713 | break; | |
1714 | case 11: | |
1715 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1716 | has_cdrom = 1; |
36b486bb FB |
1717 | break; |
1718 | case 12: | |
1719 | boot_device = optarg[0]; | |
c45886db FB |
1720 | if (boot_device != 'a' && boot_device != 'b' && |
1721 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
1722 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
1723 | exit(1); | |
1724 | } | |
1725 | break; | |
c45886db FB |
1726 | case 13: |
1727 | fd_filename[0] = optarg; | |
1728 | break; | |
1729 | case 14: | |
1730 | fd_filename[1] = optarg; | |
1731 | break; | |
77fef8c1 FB |
1732 | case 15: |
1733 | code_copy_enabled = 0; | |
1734 | break; | |
c4b1fcc0 FB |
1735 | case 16: |
1736 | nb_nics = atoi(optarg); | |
1737 | if (nb_nics < 1 || nb_nics > MAX_NICS) { | |
1738 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); | |
1739 | exit(1); | |
1740 | } | |
1741 | break; | |
fc01f7e7 FB |
1742 | } |
1743 | break; | |
0824d6fc FB |
1744 | case 'h': |
1745 | help(); | |
1746 | break; | |
1747 | case 'm': | |
1ccde1cb FB |
1748 | ram_size = atoi(optarg) * 1024 * 1024; |
1749 | if (ram_size <= 0) | |
0824d6fc | 1750 | help(); |
1ccde1cb | 1751 | if (ram_size > PHYS_RAM_MAX_SIZE) { |
36b486bb | 1752 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", |
7916e224 FB |
1753 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
1754 | exit(1); | |
1755 | } | |
0824d6fc FB |
1756 | break; |
1757 | case 'd': | |
f193c797 FB |
1758 | { |
1759 | int mask; | |
1760 | CPULogItem *item; | |
1761 | ||
1762 | mask = cpu_str_to_log_mask(optarg); | |
1763 | if (!mask) { | |
1764 | printf("Log items (comma separated):\n"); | |
1765 | for(item = cpu_log_items; item->mask != 0; item++) { | |
1766 | printf("%-10s %s\n", item->name, item->help); | |
1767 | } | |
1768 | exit(1); | |
1769 | } | |
1770 | cpu_set_log(mask); | |
1771 | } | |
0824d6fc | 1772 | break; |
f1510b2c FB |
1773 | case 'n': |
1774 | pstrcpy(network_script, sizeof(network_script), optarg); | |
1775 | break; | |
b4608c04 FB |
1776 | case 's': |
1777 | use_gdbstub = 1; | |
1778 | break; | |
1779 | case 'p': | |
1780 | gdbstub_port = atoi(optarg); | |
1781 | break; | |
330d0414 | 1782 | case 'L': |
5a67135a | 1783 | bios_dir = optarg; |
330d0414 | 1784 | break; |
0824d6fc FB |
1785 | } |
1786 | } | |
330d0414 | 1787 | |
a20dd508 FB |
1788 | if (optind < argc) { |
1789 | hd_filename[0] = argv[optind++]; | |
1790 | } | |
1791 | ||
1792 | linux_boot = (kernel_filename != NULL); | |
330d0414 | 1793 | |
c45886db FB |
1794 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
1795 | fd_filename[0] == '\0') | |
0824d6fc | 1796 | help(); |
8f2b1fb0 FB |
1797 | |
1798 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
1799 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
1800 | if (fd_filename[0] != '\0') | |
1801 | boot_device = 'a'; | |
1802 | else | |
1803 | boot_device = 'd'; | |
1804 | } | |
0824d6fc | 1805 | |
dc887a4d FB |
1806 | #if !defined(CONFIG_SOFTMMU) |
1807 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
1808 | { | |
1809 | static uint8_t stdout_buf[4096]; | |
1810 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
1811 | } | |
1812 | #else | |
b118d61e | 1813 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 1814 | #endif |
0824d6fc | 1815 | |
c4b1fcc0 FB |
1816 | /* init host network redirectors */ |
1817 | net_init(); | |
f1510b2c | 1818 | |
0824d6fc | 1819 | /* init the memory */ |
1ccde1cb | 1820 | phys_ram_size = ram_size + vga_ram_size; |
7f7f9873 FB |
1821 | |
1822 | #ifdef CONFIG_SOFTMMU | |
1ccde1cb | 1823 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7f7f9873 FB |
1824 | if (!phys_ram_base) { |
1825 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
1826 | exit(1); |
1827 | } | |
7f7f9873 FB |
1828 | #else |
1829 | /* as we must map the same page at several addresses, we must use | |
1830 | a fd */ | |
1831 | { | |
1832 | const char *tmpdir; | |
1833 | ||
1834 | tmpdir = getenv("QEMU_TMPDIR"); | |
1835 | if (!tmpdir) | |
1836 | tmpdir = "/tmp"; | |
1837 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
1838 | if (mkstemp(phys_ram_file) < 0) { | |
1839 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
1840 | phys_ram_file); | |
1841 | exit(1); | |
1842 | } | |
1843 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
1844 | if (phys_ram_fd < 0) { | |
1845 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
1846 | phys_ram_file); | |
1847 | exit(1); | |
1848 | } | |
1ccde1cb | 1849 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 1850 | unlink(phys_ram_file); |
1ccde1cb FB |
1851 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
1852 | phys_ram_size, | |
7f7f9873 FB |
1853 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
1854 | phys_ram_fd, 0); | |
1855 | if (phys_ram_base == MAP_FAILED) { | |
1856 | fprintf(stderr, "Could not map physical memory\n"); | |
1857 | exit(1); | |
1858 | } | |
1859 | } | |
1860 | #endif | |
0824d6fc | 1861 | |
c4b1fcc0 FB |
1862 | /* we always create the cdrom drive, even if no disk is there */ |
1863 | if (has_cdrom) { | |
1864 | bs_table[2] = bdrv_new("cdrom"); | |
1865 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
1866 | } | |
1867 | ||
33e3963e FB |
1868 | /* open the virtual block devices */ |
1869 | for(i = 0; i < MAX_DISKS; i++) { | |
1870 | if (hd_filename[i]) { | |
33e3963e | 1871 | if (!bs_table[i]) { |
c4b1fcc0 FB |
1872 | char buf[64]; |
1873 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
1874 | bs_table[i] = bdrv_new(buf); | |
1875 | } | |
1876 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 1877 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
1878 | hd_filename[i]); |
1879 | exit(1); | |
1880 | } | |
c4b1fcc0 FB |
1881 | if (i == 0 && cyls != 0) |
1882 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
1883 | } | |
1884 | } | |
1885 | ||
1886 | /* we always create at least one floppy disk */ | |
1887 | fd_table[0] = bdrv_new("fda"); | |
1888 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
1889 | ||
1890 | for(i = 0; i < MAX_FD; i++) { | |
1891 | if (fd_filename[i]) { | |
1892 | if (!fd_table[i]) { | |
1893 | char buf[64]; | |
1894 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
1895 | fd_table[i] = bdrv_new(buf); | |
1896 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
1897 | } | |
1898 | if (fd_filename[i] != '\0') { | |
1899 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
1900 | fprintf(stderr, "qemu: could not open floppy disk image '%s\n", | |
1901 | fd_filename[i]); | |
1902 | exit(1); | |
1903 | } | |
1904 | } | |
33e3963e FB |
1905 | } |
1906 | } | |
1907 | ||
8a7ddc38 FB |
1908 | init_timers(); |
1909 | ||
330d0414 FB |
1910 | /* init CPU state */ |
1911 | env = cpu_init(); | |
1912 | global_env = env; | |
1913 | cpu_single_env = env; | |
1914 | ||
8a7ddc38 FB |
1915 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
1916 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
1917 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
1918 | ||
330d0414 | 1919 | init_ioports(); |
80cabfad | 1920 | cpu_calibrate_ticks(); |
0824d6fc | 1921 | |
313aa567 | 1922 | /* terminal init */ |
a20dd508 | 1923 | if (nographic) { |
313aa567 FB |
1924 | dumb_display_init(ds); |
1925 | } else { | |
1926 | #ifdef CONFIG_SDL | |
1927 | sdl_display_init(ds); | |
313aa567 FB |
1928 | #else |
1929 | dumb_display_init(ds); | |
1930 | #endif | |
1931 | } | |
0824d6fc | 1932 | |
80cabfad FB |
1933 | #if defined(TARGET_I386) |
1934 | pc_init(ram_size, vga_ram_size, boot_device, | |
1935 | ds, fd_filename, snapshot, | |
1936 | kernel_filename, kernel_cmdline, initrd_filename); | |
1937 | #elif defined(TARGET_PPC) | |
1938 | ppc_init(); | |
c45886db | 1939 | #endif |
77fef8c1 | 1940 | |
c4b1fcc0 FB |
1941 | /* launched after the device init so that it can display or not a |
1942 | banner */ | |
1943 | monitor_init(); | |
1944 | ||
0824d6fc | 1945 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 1946 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 1947 | |
77fef8c1 FB |
1948 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
1949 | { | |
1950 | stack_t stk; | |
1951 | signal_stack = malloc(SIGNAL_STACK_SIZE); | |
1952 | stk.ss_sp = signal_stack; | |
1953 | stk.ss_size = SIGNAL_STACK_SIZE; | |
1954 | stk.ss_flags = 0; | |
1955 | ||
1956 | if (sigaltstack(&stk, NULL) < 0) { | |
1957 | perror("sigaltstack"); | |
1958 | exit(1); | |
1959 | } | |
1960 | } | |
1961 | #endif | |
8a7ddc38 FB |
1962 | { |
1963 | struct sigaction act; | |
77fef8c1 | 1964 | |
8a7ddc38 FB |
1965 | sigfillset(&act.sa_mask); |
1966 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 1967 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 1968 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 1969 | #endif |
8a7ddc38 FB |
1970 | act.sa_sigaction = host_segv_handler; |
1971 | sigaction(SIGSEGV, &act, NULL); | |
1972 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 1973 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 1974 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 1975 | #endif |
8a7ddc38 | 1976 | } |
3a51dee6 | 1977 | #endif |
0824d6fc | 1978 | |
8a7ddc38 FB |
1979 | { |
1980 | struct sigaction act; | |
1981 | sigfillset(&act.sa_mask); | |
1982 | act.sa_flags = 0; | |
1983 | act.sa_handler = SIG_IGN; | |
1984 | sigaction(SIGPIPE, &act, NULL); | |
1985 | } | |
0824d6fc | 1986 | |
8a7ddc38 FB |
1987 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
1988 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 1989 | |
b4608c04 | 1990 | if (use_gdbstub) { |
8a7ddc38 FB |
1991 | if (gdbserver_start(gdbstub_port) < 0) { |
1992 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
1993 | gdbstub_port); | |
1994 | exit(1); | |
1995 | } else { | |
1996 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
1997 | } | |
b4608c04 | 1998 | } else { |
8a7ddc38 | 1999 | vm_start(); |
0824d6fc | 2000 | } |
8a7ddc38 FB |
2001 | term_init(); |
2002 | main_loop(); | |
0824d6fc FB |
2003 | return 0; |
2004 | } |