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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 | 23 | */ |
67b915a5 FB |
24 | #include "vl.h" |
25 | ||
0824d6fc | 26 | #include <getopt.h> |
0824d6fc | 27 | #include <unistd.h> |
0824d6fc FB |
28 | #include <fcntl.h> |
29 | #include <signal.h> | |
30 | #include <time.h> | |
0824d6fc | 31 | #include <malloc.h> |
0824d6fc | 32 | #include <errno.h> |
67b915a5 FB |
33 | #include <sys/time.h> |
34 | ||
35 | #ifndef _WIN32 | |
36 | #include <sys/times.h> | |
f1510b2c | 37 | #include <sys/wait.h> |
c4b1fcc0 | 38 | #include <pty.h> |
67b915a5 FB |
39 | #include <termios.h> |
40 | #include <sys/poll.h> | |
41 | #include <sys/mman.h> | |
f1510b2c FB |
42 | #include <sys/ioctl.h> |
43 | #include <sys/socket.h> | |
44 | #include <linux/if.h> | |
45 | #include <linux/if_tun.h> | |
67b915a5 FB |
46 | #endif |
47 | ||
c20709aa FB |
48 | #if defined(CONFIG_SLIRP) |
49 | #include "libslirp.h" | |
50 | #endif | |
51 | ||
67b915a5 FB |
52 | #ifdef _WIN32 |
53 | #include <sys/timeb.h> | |
54 | #include <windows.h> | |
55 | #define getopt_long_only getopt_long | |
56 | #define memalign(align, size) malloc(size) | |
57 | #endif | |
58 | ||
73332e5c FB |
59 | #ifdef CONFIG_SDL |
60 | /* SDL use the pthreads and they modify sigaction. We don't | |
61 | want that. */ | |
62 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) | |
63 | extern void __libc_sigaction(); | |
64 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
65 | #else | |
66 | extern void __sigaction(); | |
67 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
68 | #endif | |
69 | #endif /* CONFIG_SDL */ | |
0824d6fc | 70 | |
0824d6fc | 71 | #include "disas.h" |
fc01f7e7 | 72 | |
8a7ddc38 | 73 | #include "exec-all.h" |
0824d6fc | 74 | |
a541f297 FB |
75 | //#define DO_TB_FLUSH |
76 | ||
5a67135a | 77 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 78 | |
0824d6fc | 79 | //#define DEBUG_UNUSED_IOPORT |
330d0414 | 80 | |
bb551faa | 81 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 82 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
83 | #else |
84 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
85 | #endif | |
7916e224 | 86 | |
8a7ddc38 FB |
87 | /* in ms */ |
88 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 89 | |
7dea1da4 FB |
90 | /* XXX: use a two level table to limit memory usage */ |
91 | #define MAX_IOPORTS 65536 | |
0824d6fc | 92 | |
80cabfad | 93 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 94 | char phys_ram_file[1024]; |
c45886db FB |
95 | CPUState *global_env; |
96 | CPUState *cpu_single_env; | |
c4b1fcc0 | 97 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
98 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
99 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 100 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 FB |
101 | int vga_ram_size; |
102 | static DisplayState display_state; | |
a20dd508 | 103 | int nographic; |
313aa567 | 104 | int64_t ticks_per_sec; |
36b486bb | 105 | int boot_device = 'c'; |
1ccde1cb | 106 | static int ram_size; |
80cabfad FB |
107 | static char network_script[1024]; |
108 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
109 | int nb_nics; |
110 | NetDriverState nd_table[MAX_NICS]; | |
111 | SerialState *serial_console; | |
8a7ddc38 FB |
112 | QEMUTimer *gui_timer; |
113 | int vm_running; | |
0824d6fc FB |
114 | |
115 | /***********************************************************/ | |
116 | /* x86 io ports */ | |
117 | ||
c4b1fcc0 | 118 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
119 | { |
120 | #ifdef DEBUG_UNUSED_IOPORT | |
121 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
122 | #endif | |
fc01f7e7 | 123 | return 0xff; |
0824d6fc FB |
124 | } |
125 | ||
c4b1fcc0 | 126 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
127 | { |
128 | #ifdef DEBUG_UNUSED_IOPORT | |
129 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
130 | #endif | |
131 | } | |
132 | ||
133 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 134 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
135 | { |
136 | uint32_t data; | |
c4b1fcc0 FB |
137 | data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address); |
138 | data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8; | |
0824d6fc FB |
139 | return data; |
140 | } | |
141 | ||
c4b1fcc0 | 142 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 143 | { |
c4b1fcc0 FB |
144 | ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff); |
145 | ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff); | |
0824d6fc FB |
146 | } |
147 | ||
c4b1fcc0 | 148 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 149 | { |
fc01f7e7 FB |
150 | #ifdef DEBUG_UNUSED_IOPORT |
151 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
152 | #endif | |
153 | return 0xffffffff; | |
0824d6fc FB |
154 | } |
155 | ||
c4b1fcc0 | 156 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 157 | { |
fc01f7e7 FB |
158 | #ifdef DEBUG_UNUSED_IOPORT |
159 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
160 | #endif | |
0824d6fc FB |
161 | } |
162 | ||
fc01f7e7 | 163 | void init_ioports(void) |
0824d6fc FB |
164 | { |
165 | int i; | |
166 | ||
fc01f7e7 FB |
167 | for(i = 0; i < MAX_IOPORTS; i++) { |
168 | ioport_read_table[0][i] = default_ioport_readb; | |
169 | ioport_write_table[0][i] = default_ioport_writeb; | |
170 | ioport_read_table[1][i] = default_ioport_readw; | |
171 | ioport_write_table[1][i] = default_ioport_writew; | |
172 | ioport_read_table[2][i] = default_ioport_readl; | |
173 | ioport_write_table[2][i] = default_ioport_writel; | |
174 | } | |
0824d6fc FB |
175 | } |
176 | ||
fc01f7e7 | 177 | /* size is the word size in byte */ |
c4b1fcc0 FB |
178 | int register_ioport_read(int start, int length, int size, |
179 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 180 | { |
fc01f7e7 | 181 | int i, bsize; |
f1510b2c | 182 | |
c4b1fcc0 | 183 | if (size == 1) { |
fc01f7e7 | 184 | bsize = 0; |
c4b1fcc0 | 185 | } else if (size == 2) { |
fc01f7e7 | 186 | bsize = 1; |
c4b1fcc0 | 187 | } else if (size == 4) { |
fc01f7e7 | 188 | bsize = 2; |
c4b1fcc0 FB |
189 | } else { |
190 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 191 | return -1; |
c4b1fcc0 FB |
192 | } |
193 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 194 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
195 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
196 | hw_error("register_ioport_read: invalid opaque"); | |
197 | ioport_opaque[i] = opaque; | |
198 | } | |
f1510b2c FB |
199 | return 0; |
200 | } | |
201 | ||
fc01f7e7 | 202 | /* size is the word size in byte */ |
c4b1fcc0 FB |
203 | int register_ioport_write(int start, int length, int size, |
204 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 205 | { |
fc01f7e7 | 206 | int i, bsize; |
f1510b2c | 207 | |
c4b1fcc0 | 208 | if (size == 1) { |
fc01f7e7 | 209 | bsize = 0; |
c4b1fcc0 | 210 | } else if (size == 2) { |
fc01f7e7 | 211 | bsize = 1; |
c4b1fcc0 | 212 | } else if (size == 4) { |
fc01f7e7 | 213 | bsize = 2; |
c4b1fcc0 FB |
214 | } else { |
215 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 216 | return -1; |
c4b1fcc0 FB |
217 | } |
218 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 219 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
220 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
221 | hw_error("register_ioport_read: invalid opaque"); | |
222 | ioport_opaque[i] = opaque; | |
223 | } | |
f1510b2c FB |
224 | return 0; |
225 | } | |
226 | ||
0824d6fc FB |
227 | void pstrcpy(char *buf, int buf_size, const char *str) |
228 | { | |
229 | int c; | |
230 | char *q = buf; | |
231 | ||
232 | if (buf_size <= 0) | |
233 | return; | |
234 | ||
235 | for(;;) { | |
236 | c = *str++; | |
237 | if (c == 0 || q >= buf + buf_size - 1) | |
238 | break; | |
239 | *q++ = c; | |
240 | } | |
241 | *q = '\0'; | |
242 | } | |
243 | ||
244 | /* strcat and truncate. */ | |
245 | char *pstrcat(char *buf, int buf_size, const char *s) | |
246 | { | |
247 | int len; | |
248 | len = strlen(buf); | |
249 | if (len < buf_size) | |
250 | pstrcpy(buf + len, buf_size - len, s); | |
251 | return buf; | |
252 | } | |
253 | ||
0824d6fc FB |
254 | /* return the size or -1 if error */ |
255 | int load_image(const char *filename, uint8_t *addr) | |
256 | { | |
257 | int fd, size; | |
40c3bac3 | 258 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
259 | if (fd < 0) |
260 | return -1; | |
261 | size = lseek(fd, 0, SEEK_END); | |
262 | lseek(fd, 0, SEEK_SET); | |
263 | if (read(fd, addr, size) != size) { | |
264 | close(fd); | |
265 | return -1; | |
266 | } | |
267 | close(fd); | |
268 | return size; | |
269 | } | |
270 | ||
c45886db | 271 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 272 | { |
c4b1fcc0 FB |
273 | addr &= (MAX_IOPORTS - 1); |
274 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
275 | } |
276 | ||
c45886db | 277 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 278 | { |
c4b1fcc0 FB |
279 | addr &= (MAX_IOPORTS - 1); |
280 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
281 | } |
282 | ||
c45886db | 283 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 284 | { |
c4b1fcc0 FB |
285 | addr &= (MAX_IOPORTS - 1); |
286 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
287 | } |
288 | ||
c45886db | 289 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 290 | { |
c4b1fcc0 FB |
291 | addr &= (MAX_IOPORTS - 1); |
292 | return ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
293 | } |
294 | ||
c45886db | 295 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 296 | { |
c4b1fcc0 FB |
297 | addr &= (MAX_IOPORTS - 1); |
298 | return ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
299 | } |
300 | ||
c45886db | 301 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 302 | { |
c4b1fcc0 FB |
303 | addr &= (MAX_IOPORTS - 1); |
304 | return ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
305 | } |
306 | ||
307 | /***********************************************************/ | |
0824d6fc FB |
308 | void hw_error(const char *fmt, ...) |
309 | { | |
310 | va_list ap; | |
311 | ||
312 | va_start(ap, fmt); | |
313 | fprintf(stderr, "qemu: hardware error: "); | |
314 | vfprintf(stderr, fmt, ap); | |
315 | fprintf(stderr, "\n"); | |
316 | #ifdef TARGET_I386 | |
317 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
318 | #else |
319 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
320 | #endif |
321 | va_end(ap); | |
322 | abort(); | |
323 | } | |
324 | ||
8a7ddc38 FB |
325 | /***********************************************************/ |
326 | /* timers */ | |
327 | ||
34865134 FB |
328 | #if defined(__powerpc__) |
329 | ||
330 | static inline uint32_t get_tbl(void) | |
0824d6fc | 331 | { |
34865134 FB |
332 | uint32_t tbl; |
333 | asm volatile("mftb %0" : "=r" (tbl)); | |
334 | return tbl; | |
0824d6fc FB |
335 | } |
336 | ||
34865134 FB |
337 | static inline uint32_t get_tbu(void) |
338 | { | |
339 | uint32_t tbl; | |
340 | asm volatile("mftbu %0" : "=r" (tbl)); | |
341 | return tbl; | |
342 | } | |
343 | ||
344 | int64_t cpu_get_real_ticks(void) | |
345 | { | |
346 | uint32_t l, h, h1; | |
347 | /* NOTE: we test if wrapping has occurred */ | |
348 | do { | |
349 | h = get_tbu(); | |
350 | l = get_tbl(); | |
351 | h1 = get_tbu(); | |
352 | } while (h != h1); | |
353 | return ((int64_t)h << 32) | l; | |
354 | } | |
355 | ||
356 | #elif defined(__i386__) | |
357 | ||
358 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
359 | { |
360 | int64_t val; | |
e463b581 | 361 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
362 | return val; |
363 | } | |
364 | ||
34865134 FB |
365 | #else |
366 | #error unsupported CPU | |
367 | #endif | |
368 | ||
369 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 370 | static int cpu_ticks_enabled; |
34865134 | 371 | |
8a7ddc38 | 372 | static inline int64_t cpu_get_ticks(void) |
34865134 | 373 | { |
8a7ddc38 FB |
374 | if (!cpu_ticks_enabled) { |
375 | return cpu_ticks_offset; | |
376 | } else { | |
377 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
378 | } | |
34865134 FB |
379 | } |
380 | ||
381 | /* enable cpu_get_ticks() */ | |
382 | void cpu_enable_ticks(void) | |
383 | { | |
8a7ddc38 FB |
384 | if (!cpu_ticks_enabled) { |
385 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
386 | cpu_ticks_enabled = 1; | |
387 | } | |
34865134 FB |
388 | } |
389 | ||
390 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
391 | cpu_get_ticks() after that. */ | |
392 | void cpu_disable_ticks(void) | |
393 | { | |
8a7ddc38 FB |
394 | if (cpu_ticks_enabled) { |
395 | cpu_ticks_offset = cpu_get_ticks(); | |
396 | cpu_ticks_enabled = 0; | |
397 | } | |
34865134 FB |
398 | } |
399 | ||
67b915a5 | 400 | static int64_t get_clock(void) |
34865134 | 401 | { |
67b915a5 FB |
402 | #ifdef _WIN32 |
403 | struct _timeb tb; | |
404 | _ftime(&tb); | |
405 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
406 | #else | |
34865134 FB |
407 | struct timeval tv; |
408 | gettimeofday(&tv, NULL); | |
409 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 410 | #endif |
34865134 FB |
411 | } |
412 | ||
0824d6fc FB |
413 | void cpu_calibrate_ticks(void) |
414 | { | |
415 | int64_t usec, ticks; | |
416 | ||
417 | usec = get_clock(); | |
8a7ddc38 | 418 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
419 | #ifdef _WIN32 |
420 | Sleep(50); | |
421 | #else | |
0824d6fc | 422 | usleep(50 * 1000); |
67b915a5 | 423 | #endif |
0824d6fc | 424 | usec = get_clock() - usec; |
8a7ddc38 | 425 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
426 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
427 | } | |
428 | ||
87858c89 | 429 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 430 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
431 | { |
432 | union { | |
433 | uint64_t ll; | |
434 | struct { | |
435 | #ifdef WORDS_BIGENDIAN | |
436 | uint32_t high, low; | |
437 | #else | |
438 | uint32_t low, high; | |
439 | #endif | |
440 | } l; | |
441 | } u, res; | |
442 | uint64_t rl, rh; | |
443 | ||
444 | u.ll = a; | |
445 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
446 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
447 | rh += (rl >> 32); | |
448 | res.l.high = rh / c; | |
449 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
450 | return res.ll; | |
451 | } | |
452 | ||
8a7ddc38 FB |
453 | #define QEMU_TIMER_REALTIME 0 |
454 | #define QEMU_TIMER_VIRTUAL 1 | |
455 | ||
456 | struct QEMUClock { | |
457 | int type; | |
458 | /* XXX: add frequency */ | |
459 | }; | |
460 | ||
461 | struct QEMUTimer { | |
462 | QEMUClock *clock; | |
463 | int64_t expire_time; | |
464 | QEMUTimerCB *cb; | |
465 | void *opaque; | |
466 | struct QEMUTimer *next; | |
467 | }; | |
468 | ||
469 | QEMUClock *rt_clock; | |
470 | QEMUClock *vm_clock; | |
471 | ||
472 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
473 | #ifdef _WIN32 |
474 | static MMRESULT timerID; | |
475 | #else | |
8a7ddc38 FB |
476 | /* frequency of the times() clock tick */ |
477 | static int timer_freq; | |
67b915a5 | 478 | #endif |
8a7ddc38 FB |
479 | |
480 | QEMUClock *qemu_new_clock(int type) | |
481 | { | |
482 | QEMUClock *clock; | |
483 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
484 | if (!clock) | |
485 | return NULL; | |
486 | clock->type = type; | |
487 | return clock; | |
488 | } | |
489 | ||
490 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
491 | { | |
492 | QEMUTimer *ts; | |
493 | ||
494 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
495 | ts->clock = clock; | |
496 | ts->cb = cb; | |
497 | ts->opaque = opaque; | |
498 | return ts; | |
499 | } | |
500 | ||
501 | void qemu_free_timer(QEMUTimer *ts) | |
502 | { | |
503 | qemu_free(ts); | |
504 | } | |
505 | ||
506 | /* stop a timer, but do not dealloc it */ | |
507 | void qemu_del_timer(QEMUTimer *ts) | |
508 | { | |
509 | QEMUTimer **pt, *t; | |
510 | ||
511 | /* NOTE: this code must be signal safe because | |
512 | qemu_timer_expired() can be called from a signal. */ | |
513 | pt = &active_timers[ts->clock->type]; | |
514 | for(;;) { | |
515 | t = *pt; | |
516 | if (!t) | |
517 | break; | |
518 | if (t == ts) { | |
519 | *pt = t->next; | |
520 | break; | |
521 | } | |
522 | pt = &t->next; | |
523 | } | |
524 | } | |
525 | ||
526 | /* modify the current timer so that it will be fired when current_time | |
527 | >= expire_time. The corresponding callback will be called. */ | |
528 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
529 | { | |
530 | QEMUTimer **pt, *t; | |
531 | ||
532 | qemu_del_timer(ts); | |
533 | ||
534 | /* add the timer in the sorted list */ | |
535 | /* NOTE: this code must be signal safe because | |
536 | qemu_timer_expired() can be called from a signal. */ | |
537 | pt = &active_timers[ts->clock->type]; | |
538 | for(;;) { | |
539 | t = *pt; | |
540 | if (!t) | |
541 | break; | |
542 | if (t->expire_time > expire_time) | |
543 | break; | |
544 | pt = &t->next; | |
545 | } | |
546 | ts->expire_time = expire_time; | |
547 | ts->next = *pt; | |
548 | *pt = ts; | |
549 | } | |
550 | ||
551 | int qemu_timer_pending(QEMUTimer *ts) | |
552 | { | |
553 | QEMUTimer *t; | |
554 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
555 | if (t == ts) | |
556 | return 1; | |
557 | } | |
558 | return 0; | |
559 | } | |
560 | ||
561 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
562 | { | |
563 | if (!timer_head) | |
564 | return 0; | |
565 | return (timer_head->expire_time <= current_time); | |
566 | } | |
567 | ||
568 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
569 | { | |
570 | QEMUTimer *ts; | |
571 | ||
572 | for(;;) { | |
573 | ts = *ptimer_head; | |
574 | if (ts->expire_time > current_time) | |
575 | break; | |
576 | /* remove timer from the list before calling the callback */ | |
577 | *ptimer_head = ts->next; | |
578 | ts->next = NULL; | |
579 | ||
580 | /* run the callback (the timer list can be modified) */ | |
581 | ts->cb(ts->opaque); | |
582 | } | |
583 | } | |
584 | ||
585 | int64_t qemu_get_clock(QEMUClock *clock) | |
586 | { | |
587 | switch(clock->type) { | |
588 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
589 | #ifdef _WIN32 |
590 | return GetTickCount(); | |
591 | #else | |
8a7ddc38 FB |
592 | /* XXX: portability among Linux hosts */ |
593 | if (timer_freq == 100) { | |
594 | return times(NULL) * 10; | |
595 | } else { | |
596 | return ((int64_t)times(NULL) * 1000) / timer_freq; | |
597 | } | |
67b915a5 | 598 | #endif |
8a7ddc38 FB |
599 | default: |
600 | case QEMU_TIMER_VIRTUAL: | |
601 | return cpu_get_ticks(); | |
602 | } | |
603 | } | |
604 | ||
605 | /* save a timer */ | |
606 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
607 | { | |
608 | uint64_t expire_time; | |
609 | ||
610 | if (qemu_timer_pending(ts)) { | |
611 | expire_time = ts->expire_time; | |
612 | } else { | |
613 | expire_time = -1; | |
614 | } | |
615 | qemu_put_be64(f, expire_time); | |
616 | } | |
617 | ||
618 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
619 | { | |
620 | uint64_t expire_time; | |
621 | ||
622 | expire_time = qemu_get_be64(f); | |
623 | if (expire_time != -1) { | |
624 | qemu_mod_timer(ts, expire_time); | |
625 | } else { | |
626 | qemu_del_timer(ts); | |
627 | } | |
628 | } | |
629 | ||
630 | static void timer_save(QEMUFile *f, void *opaque) | |
631 | { | |
632 | if (cpu_ticks_enabled) { | |
633 | hw_error("cannot save state if virtual timers are running"); | |
634 | } | |
635 | qemu_put_be64s(f, &cpu_ticks_offset); | |
636 | qemu_put_be64s(f, &ticks_per_sec); | |
637 | } | |
638 | ||
639 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
640 | { | |
641 | if (version_id != 1) | |
642 | return -EINVAL; | |
643 | if (cpu_ticks_enabled) { | |
644 | return -EINVAL; | |
645 | } | |
646 | qemu_get_be64s(f, &cpu_ticks_offset); | |
647 | qemu_get_be64s(f, &ticks_per_sec); | |
648 | return 0; | |
649 | } | |
650 | ||
67b915a5 FB |
651 | #ifdef _WIN32 |
652 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
653 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
654 | #else | |
8a7ddc38 | 655 | static void host_alarm_handler(int host_signum) |
67b915a5 | 656 | #endif |
8a7ddc38 FB |
657 | { |
658 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
659 | qemu_get_clock(vm_clock)) || | |
660 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
661 | qemu_get_clock(rt_clock))) { | |
662 | /* stop the cpu because a timer occured */ | |
663 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
664 | } | |
665 | } | |
666 | ||
667 | static void init_timers(void) | |
668 | { | |
8a7ddc38 FB |
669 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
670 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
671 | ||
67b915a5 FB |
672 | #ifdef _WIN32 |
673 | { | |
674 | int count=0; | |
40c3bac3 FB |
675 | timerID = timeSetEvent(10, // interval (ms) |
676 | 0, // resolution | |
677 | host_alarm_handler, // function | |
678 | (DWORD)&count, // user parameter | |
679 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
680 | if( !timerID ) { |
681 | perror("failed timer alarm"); | |
682 | exit(1); | |
683 | } | |
684 | } | |
685 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
686 | #else | |
687 | { | |
688 | struct sigaction act; | |
689 | struct itimerval itv; | |
690 | ||
691 | /* get times() syscall frequency */ | |
692 | timer_freq = sysconf(_SC_CLK_TCK); | |
693 | ||
694 | /* timer signal */ | |
695 | sigfillset(&act.sa_mask); | |
696 | act.sa_flags = 0; | |
8a7ddc38 | 697 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
698 | act.sa_flags |= SA_ONSTACK; |
699 | #endif | |
700 | act.sa_handler = host_alarm_handler; | |
701 | sigaction(SIGALRM, &act, NULL); | |
702 | ||
703 | itv.it_interval.tv_sec = 0; | |
704 | itv.it_interval.tv_usec = 1000; | |
705 | itv.it_value.tv_sec = 0; | |
706 | itv.it_value.tv_usec = 10 * 1000; | |
707 | setitimer(ITIMER_REAL, &itv, NULL); | |
708 | /* we probe the tick duration of the kernel to inform the user if | |
709 | the emulated kernel requested a too high timer frequency */ | |
710 | getitimer(ITIMER_REAL, &itv); | |
711 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / | |
712 | 1000000; | |
713 | } | |
8a7ddc38 | 714 | #endif |
8a7ddc38 FB |
715 | } |
716 | ||
40c3bac3 FB |
717 | void quit_timers(void) |
718 | { | |
719 | #ifdef _WIN32 | |
720 | timeKillEvent(timerID); | |
721 | #endif | |
722 | } | |
723 | ||
c4b1fcc0 FB |
724 | /***********************************************************/ |
725 | /* serial device */ | |
313aa567 | 726 | |
67b915a5 FB |
727 | #ifdef _WIN32 |
728 | ||
729 | int serial_open_device(void) | |
730 | { | |
731 | return -1; | |
732 | } | |
733 | ||
734 | #else | |
735 | ||
c4b1fcc0 | 736 | int serial_open_device(void) |
313aa567 | 737 | { |
c4b1fcc0 FB |
738 | char slave_name[1024]; |
739 | int master_fd, slave_fd; | |
313aa567 | 740 | |
c4b1fcc0 FB |
741 | if (serial_console == NULL && nographic) { |
742 | /* use console for serial port */ | |
743 | return 0; | |
80cabfad | 744 | } else { |
c4b1fcc0 FB |
745 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
746 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
747 | return -1; | |
748 | } | |
749 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
750 | return master_fd; | |
330d0414 | 751 | } |
330d0414 FB |
752 | } |
753 | ||
67b915a5 FB |
754 | #endif |
755 | ||
80cabfad | 756 | /***********************************************************/ |
c20709aa | 757 | /* Linux network device redirectors */ |
330d0414 | 758 | |
c20709aa FB |
759 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
760 | { | |
761 | int len, i, j, c; | |
762 | ||
763 | for(i=0;i<size;i+=16) { | |
764 | len = size - i; | |
765 | if (len > 16) | |
766 | len = 16; | |
767 | fprintf(f, "%08x ", i); | |
768 | for(j=0;j<16;j++) { | |
769 | if (j < len) | |
770 | fprintf(f, " %02x", buf[i+j]); | |
771 | else | |
772 | fprintf(f, " "); | |
773 | } | |
774 | fprintf(f, " "); | |
775 | for(j=0;j<len;j++) { | |
776 | c = buf[i+j]; | |
777 | if (c < ' ' || c > '~') | |
778 | c = '.'; | |
779 | fprintf(f, "%c", c); | |
780 | } | |
781 | fprintf(f, "\n"); | |
782 | } | |
783 | } | |
784 | ||
785 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
786 | { | |
787 | nd->send_packet(nd, buf, size); | |
788 | } | |
67b915a5 | 789 | |
c20709aa FB |
790 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
791 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 792 | { |
c20709aa FB |
793 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
794 | } | |
795 | ||
796 | /* dummy network adapter */ | |
797 | ||
798 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
799 | { | |
800 | } | |
801 | ||
802 | static void dummy_add_read_packet(NetDriverState *nd, | |
803 | IOCanRWHandler *fd_can_read, | |
804 | IOReadHandler *fd_read, void *opaque) | |
805 | { | |
806 | } | |
807 | ||
808 | static int net_dummy_init(NetDriverState *nd) | |
809 | { | |
810 | nd->send_packet = dummy_send_packet; | |
811 | nd->add_read_packet = dummy_add_read_packet; | |
812 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
813 | return 0; |
814 | } | |
815 | ||
c20709aa FB |
816 | #if defined(CONFIG_SLIRP) |
817 | ||
818 | /* slirp network adapter */ | |
819 | ||
820 | static void *slirp_fd_opaque; | |
821 | static IOCanRWHandler *slirp_fd_can_read; | |
822 | static IOReadHandler *slirp_fd_read; | |
823 | static int slirp_inited; | |
824 | ||
825 | int slirp_can_output(void) | |
826 | { | |
827 | return slirp_fd_can_read(slirp_fd_opaque); | |
828 | } | |
829 | ||
830 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 831 | { |
c20709aa FB |
832 | #if 0 |
833 | printf("output:\n"); | |
834 | hex_dump(stdout, pkt, pkt_len); | |
835 | #endif | |
836 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
837 | } |
838 | ||
c20709aa FB |
839 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
840 | { | |
841 | #if 0 | |
842 | printf("input:\n"); | |
843 | hex_dump(stdout, buf, size); | |
844 | #endif | |
845 | slirp_input(buf, size); | |
846 | } | |
847 | ||
848 | static void slirp_add_read_packet(NetDriverState *nd, | |
849 | IOCanRWHandler *fd_can_read, | |
850 | IOReadHandler *fd_read, void *opaque) | |
851 | { | |
852 | slirp_fd_opaque = opaque; | |
853 | slirp_fd_can_read = fd_can_read; | |
854 | slirp_fd_read = fd_read; | |
855 | } | |
856 | ||
857 | static int net_slirp_init(NetDriverState *nd) | |
858 | { | |
859 | if (!slirp_inited) { | |
860 | slirp_inited = 1; | |
861 | slirp_init(); | |
862 | } | |
863 | nd->send_packet = slirp_send_packet; | |
864 | nd->add_read_packet = slirp_add_read_packet; | |
865 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
866 | return 0; | |
867 | } | |
868 | ||
869 | #endif /* CONFIG_SLIRP */ | |
870 | ||
871 | #if !defined(_WIN32) | |
67b915a5 | 872 | |
c4b1fcc0 | 873 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 874 | { |
80cabfad | 875 | struct ifreq ifr; |
c4b1fcc0 | 876 | int fd, ret; |
80cabfad FB |
877 | |
878 | fd = open("/dev/net/tun", O_RDWR); | |
879 | if (fd < 0) { | |
880 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
881 | return -1; | |
330d0414 | 882 | } |
80cabfad FB |
883 | memset(&ifr, 0, sizeof(ifr)); |
884 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
885 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
886 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
887 | if (ret != 0) { | |
888 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
889 | close(fd); | |
890 | return -1; | |
891 | } | |
892 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 893 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 894 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
895 | return fd; |
896 | } | |
330d0414 | 897 | |
c20709aa FB |
898 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
899 | { | |
900 | write(nd->fd, buf, size); | |
901 | } | |
902 | ||
903 | static void tun_add_read_packet(NetDriverState *nd, | |
904 | IOCanRWHandler *fd_can_read, | |
905 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 906 | { |
c20709aa FB |
907 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
908 | } | |
909 | ||
910 | static int net_tun_init(NetDriverState *nd) | |
911 | { | |
912 | int pid, status; | |
913 | char *args[3]; | |
c4b1fcc0 FB |
914 | char **parg; |
915 | ||
c20709aa FB |
916 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
917 | if (nd->fd < 0) | |
918 | return -1; | |
c4b1fcc0 | 919 | |
c20709aa FB |
920 | /* try to launch network init script */ |
921 | pid = fork(); | |
922 | if (pid >= 0) { | |
923 | if (pid == 0) { | |
924 | parg = args; | |
925 | *parg++ = network_script; | |
926 | *parg++ = nd->ifname; | |
927 | *parg++ = NULL; | |
928 | execv(network_script, args); | |
929 | exit(1); | |
930 | } | |
931 | while (waitpid(pid, &status, 0) != pid); | |
932 | if (!WIFEXITED(status) || | |
933 | WEXITSTATUS(status) != 0) { | |
934 | fprintf(stderr, "%s: could not launch network script\n", | |
935 | network_script); | |
80cabfad | 936 | } |
330d0414 | 937 | } |
c20709aa FB |
938 | nd->send_packet = tun_send_packet; |
939 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 940 | return 0; |
330d0414 FB |
941 | } |
942 | ||
c20709aa | 943 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 944 | { |
c20709aa FB |
945 | nd->fd = fd; |
946 | nd->send_packet = tun_send_packet; | |
947 | nd->add_read_packet = tun_add_read_packet; | |
948 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
949 | return 0; | |
80cabfad | 950 | } |
330d0414 | 951 | |
c20709aa | 952 | #endif /* !_WIN32 */ |
67b915a5 | 953 | |
313aa567 FB |
954 | /***********************************************************/ |
955 | /* dumb display */ | |
956 | ||
67b915a5 FB |
957 | #ifdef _WIN32 |
958 | ||
959 | static void term_exit(void) | |
960 | { | |
961 | } | |
962 | ||
963 | static void term_init(void) | |
964 | { | |
965 | } | |
966 | ||
967 | #else | |
968 | ||
313aa567 FB |
969 | /* init terminal so that we can grab keys */ |
970 | static struct termios oldtty; | |
971 | ||
972 | static void term_exit(void) | |
973 | { | |
974 | tcsetattr (0, TCSANOW, &oldtty); | |
975 | } | |
976 | ||
977 | static void term_init(void) | |
978 | { | |
979 | struct termios tty; | |
980 | ||
981 | tcgetattr (0, &tty); | |
982 | oldtty = tty; | |
983 | ||
984 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
985 | |INLCR|IGNCR|ICRNL|IXON); | |
986 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
987 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
988 | /* if graphical mode, we allow Ctrl-C handling */ | |
989 | if (nographic) | |
990 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
991 | tty.c_cflag &= ~(CSIZE|PARENB); |
992 | tty.c_cflag |= CS8; | |
993 | tty.c_cc[VMIN] = 1; | |
994 | tty.c_cc[VTIME] = 0; | |
995 | ||
996 | tcsetattr (0, TCSANOW, &tty); | |
997 | ||
998 | atexit(term_exit); | |
999 | ||
1000 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1001 | } | |
1002 | ||
67b915a5 FB |
1003 | #endif |
1004 | ||
313aa567 FB |
1005 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1006 | { | |
1007 | } | |
1008 | ||
1009 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1010 | { | |
1011 | } | |
1012 | ||
1013 | static void dumb_refresh(DisplayState *ds) | |
1014 | { | |
1015 | vga_update_display(); | |
1016 | } | |
1017 | ||
1018 | void dumb_display_init(DisplayState *ds) | |
1019 | { | |
1020 | ds->data = NULL; | |
1021 | ds->linesize = 0; | |
1022 | ds->depth = 0; | |
1023 | ds->dpy_update = dumb_update; | |
1024 | ds->dpy_resize = dumb_resize; | |
1025 | ds->dpy_refresh = dumb_refresh; | |
1026 | } | |
1027 | ||
3a51dee6 | 1028 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1029 | /***********************************************************/ |
0824d6fc FB |
1030 | /* cpu signal handler */ |
1031 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1032 | void *puc) | |
1033 | { | |
1034 | if (cpu_signal_handler(host_signum, info, puc)) | |
1035 | return; | |
1036 | term_exit(); | |
1037 | abort(); | |
1038 | } | |
3a51dee6 | 1039 | #endif |
0824d6fc | 1040 | |
8a7ddc38 FB |
1041 | /***********************************************************/ |
1042 | /* I/O handling */ | |
0824d6fc | 1043 | |
c4b1fcc0 FB |
1044 | #define MAX_IO_HANDLERS 64 |
1045 | ||
1046 | typedef struct IOHandlerRecord { | |
1047 | int fd; | |
1048 | IOCanRWHandler *fd_can_read; | |
1049 | IOReadHandler *fd_read; | |
1050 | void *opaque; | |
1051 | /* temporary data */ | |
1052 | struct pollfd *ufd; | |
1053 | int max_size; | |
8a7ddc38 | 1054 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1055 | } IOHandlerRecord; |
1056 | ||
8a7ddc38 | 1057 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1058 | |
8a7ddc38 FB |
1059 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1060 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1061 | { |
1062 | IOHandlerRecord *ioh; | |
1063 | ||
8a7ddc38 FB |
1064 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1065 | if (!ioh) | |
c4b1fcc0 | 1066 | return -1; |
c4b1fcc0 FB |
1067 | ioh->fd = fd; |
1068 | ioh->fd_can_read = fd_can_read; | |
1069 | ioh->fd_read = fd_read; | |
1070 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1071 | ioh->next = first_io_handler; |
1072 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1073 | return 0; |
1074 | } | |
1075 | ||
8a7ddc38 FB |
1076 | void qemu_del_fd_read_handler(int fd) |
1077 | { | |
1078 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1079 | |
8a7ddc38 FB |
1080 | pioh = &first_io_handler; |
1081 | for(;;) { | |
1082 | ioh = *pioh; | |
1083 | if (ioh == NULL) | |
1084 | break; | |
1085 | if (ioh->fd == fd) { | |
1086 | *pioh = ioh->next; | |
1087 | break; | |
1088 | } | |
1089 | pioh = &ioh->next; | |
1090 | } | |
1091 | } | |
1092 | ||
1093 | /***********************************************************/ | |
1094 | /* savevm/loadvm support */ | |
1095 | ||
1096 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1097 | { |
8a7ddc38 | 1098 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1099 | } |
1100 | ||
8a7ddc38 | 1101 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1102 | { |
8a7ddc38 FB |
1103 | fputc(v, f); |
1104 | } | |
1105 | ||
1106 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1107 | { | |
1108 | qemu_put_byte(f, v >> 8); | |
1109 | qemu_put_byte(f, v); | |
1110 | } | |
1111 | ||
1112 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1113 | { | |
1114 | qemu_put_byte(f, v >> 24); | |
1115 | qemu_put_byte(f, v >> 16); | |
1116 | qemu_put_byte(f, v >> 8); | |
1117 | qemu_put_byte(f, v); | |
1118 | } | |
1119 | ||
1120 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1121 | { | |
1122 | qemu_put_be32(f, v >> 32); | |
1123 | qemu_put_be32(f, v); | |
1124 | } | |
1125 | ||
1126 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1127 | { | |
1128 | return fread(buf, 1, size, f); | |
1129 | } | |
1130 | ||
1131 | int qemu_get_byte(QEMUFile *f) | |
1132 | { | |
1133 | int v; | |
1134 | v = fgetc(f); | |
1135 | if (v == EOF) | |
1136 | return 0; | |
1137 | else | |
1138 | return v; | |
1139 | } | |
1140 | ||
1141 | unsigned int qemu_get_be16(QEMUFile *f) | |
1142 | { | |
1143 | unsigned int v; | |
1144 | v = qemu_get_byte(f) << 8; | |
1145 | v |= qemu_get_byte(f); | |
1146 | return v; | |
1147 | } | |
1148 | ||
1149 | unsigned int qemu_get_be32(QEMUFile *f) | |
1150 | { | |
1151 | unsigned int v; | |
1152 | v = qemu_get_byte(f) << 24; | |
1153 | v |= qemu_get_byte(f) << 16; | |
1154 | v |= qemu_get_byte(f) << 8; | |
1155 | v |= qemu_get_byte(f); | |
1156 | return v; | |
1157 | } | |
1158 | ||
1159 | uint64_t qemu_get_be64(QEMUFile *f) | |
1160 | { | |
1161 | uint64_t v; | |
1162 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1163 | v |= qemu_get_be32(f); | |
1164 | return v; | |
1165 | } | |
1166 | ||
1167 | int64_t qemu_ftell(QEMUFile *f) | |
1168 | { | |
1169 | return ftell(f); | |
1170 | } | |
1171 | ||
1172 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1173 | { | |
1174 | if (fseek(f, pos, whence) < 0) | |
1175 | return -1; | |
1176 | return ftell(f); | |
1177 | } | |
1178 | ||
1179 | typedef struct SaveStateEntry { | |
1180 | char idstr[256]; | |
1181 | int instance_id; | |
1182 | int version_id; | |
1183 | SaveStateHandler *save_state; | |
1184 | LoadStateHandler *load_state; | |
1185 | void *opaque; | |
1186 | struct SaveStateEntry *next; | |
1187 | } SaveStateEntry; | |
b4608c04 | 1188 | |
8a7ddc38 FB |
1189 | static SaveStateEntry *first_se; |
1190 | ||
1191 | int register_savevm(const char *idstr, | |
1192 | int instance_id, | |
1193 | int version_id, | |
1194 | SaveStateHandler *save_state, | |
1195 | LoadStateHandler *load_state, | |
1196 | void *opaque) | |
1197 | { | |
1198 | SaveStateEntry *se, **pse; | |
1199 | ||
1200 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1201 | if (!se) | |
1202 | return -1; | |
1203 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1204 | se->instance_id = instance_id; | |
1205 | se->version_id = version_id; | |
1206 | se->save_state = save_state; | |
1207 | se->load_state = load_state; | |
1208 | se->opaque = opaque; | |
1209 | se->next = NULL; | |
1210 | ||
1211 | /* add at the end of list */ | |
1212 | pse = &first_se; | |
1213 | while (*pse != NULL) | |
1214 | pse = &(*pse)->next; | |
1215 | *pse = se; | |
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1220 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1221 | ||
1222 | int qemu_savevm(const char *filename) | |
1223 | { | |
1224 | SaveStateEntry *se; | |
1225 | QEMUFile *f; | |
1226 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1227 | ||
1228 | saved_vm_running = vm_running; | |
1229 | vm_stop(0); | |
1230 | ||
1231 | f = fopen(filename, "wb"); | |
1232 | if (!f) { | |
1233 | ret = -1; | |
1234 | goto the_end; | |
313aa567 FB |
1235 | } |
1236 | ||
8a7ddc38 FB |
1237 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1238 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1239 | ||
1240 | for(se = first_se; se != NULL; se = se->next) { | |
1241 | /* ID string */ | |
1242 | len = strlen(se->idstr); | |
1243 | qemu_put_byte(f, len); | |
1244 | qemu_put_buffer(f, se->idstr, len); | |
1245 | ||
1246 | qemu_put_be32(f, se->instance_id); | |
1247 | qemu_put_be32(f, se->version_id); | |
1248 | ||
1249 | /* record size: filled later */ | |
1250 | len_pos = ftell(f); | |
1251 | qemu_put_be32(f, 0); | |
1252 | ||
1253 | se->save_state(f, se->opaque); | |
1254 | ||
1255 | /* fill record size */ | |
1256 | cur_pos = ftell(f); | |
1257 | len = ftell(f) - len_pos - 4; | |
1258 | fseek(f, len_pos, SEEK_SET); | |
1259 | qemu_put_be32(f, len); | |
1260 | fseek(f, cur_pos, SEEK_SET); | |
1261 | } | |
1262 | ||
1263 | fclose(f); | |
1264 | ret = 0; | |
1265 | the_end: | |
1266 | if (saved_vm_running) | |
1267 | vm_start(); | |
1268 | return ret; | |
1269 | } | |
1270 | ||
1271 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1272 | { | |
1273 | SaveStateEntry *se; | |
1274 | ||
1275 | for(se = first_se; se != NULL; se = se->next) { | |
1276 | if (!strcmp(se->idstr, idstr) && | |
1277 | instance_id == se->instance_id) | |
1278 | return se; | |
1279 | } | |
1280 | return NULL; | |
1281 | } | |
1282 | ||
1283 | int qemu_loadvm(const char *filename) | |
1284 | { | |
1285 | SaveStateEntry *se; | |
1286 | QEMUFile *f; | |
1287 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1288 | int saved_vm_running; | |
1289 | unsigned int v; | |
1290 | char idstr[256]; | |
1291 | ||
1292 | saved_vm_running = vm_running; | |
1293 | vm_stop(0); | |
1294 | ||
1295 | f = fopen(filename, "rb"); | |
1296 | if (!f) { | |
1297 | ret = -1; | |
1298 | goto the_end; | |
1299 | } | |
1300 | ||
1301 | v = qemu_get_be32(f); | |
1302 | if (v != QEMU_VM_FILE_MAGIC) | |
1303 | goto fail; | |
1304 | v = qemu_get_be32(f); | |
1305 | if (v != QEMU_VM_FILE_VERSION) { | |
1306 | fail: | |
1307 | fclose(f); | |
1308 | ret = -1; | |
1309 | goto the_end; | |
1310 | } | |
b4608c04 | 1311 | for(;;) { |
a541f297 FB |
1312 | #if defined (DO_TB_FLUSH) |
1313 | tb_flush(); | |
1314 | #endif | |
8a7ddc38 FB |
1315 | len = qemu_get_byte(f); |
1316 | if (feof(f)) | |
cd4c3e88 | 1317 | break; |
8a7ddc38 FB |
1318 | qemu_get_buffer(f, idstr, len); |
1319 | idstr[len] = '\0'; | |
1320 | instance_id = qemu_get_be32(f); | |
1321 | version_id = qemu_get_be32(f); | |
1322 | record_len = qemu_get_be32(f); | |
1323 | #if 0 | |
1324 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1325 | idstr, instance_id, version_id, record_len); | |
1326 | #endif | |
1327 | cur_pos = ftell(f); | |
1328 | se = find_se(idstr, instance_id); | |
1329 | if (!se) { | |
1330 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1331 | instance_id, idstr); | |
1332 | } else { | |
1333 | ret = se->load_state(f, se->opaque, version_id); | |
1334 | if (ret < 0) { | |
1335 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1336 | instance_id, idstr); | |
1337 | } | |
34865134 | 1338 | } |
8a7ddc38 FB |
1339 | /* always seek to exact end of record */ |
1340 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1341 | } | |
1342 | fclose(f); | |
1343 | ret = 0; | |
1344 | the_end: | |
1345 | if (saved_vm_running) | |
1346 | vm_start(); | |
1347 | return ret; | |
1348 | } | |
1349 | ||
1350 | /***********************************************************/ | |
1351 | /* cpu save/restore */ | |
1352 | ||
1353 | #if defined(TARGET_I386) | |
1354 | ||
1355 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1356 | { | |
1357 | qemu_put_be32(f, (uint32_t)dt->base); | |
1358 | qemu_put_be32(f, dt->limit); | |
1359 | qemu_put_be32(f, dt->flags); | |
1360 | } | |
1361 | ||
1362 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1363 | { | |
1364 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1365 | dt->limit = qemu_get_be32(f); | |
1366 | dt->flags = qemu_get_be32(f); | |
1367 | } | |
1368 | ||
1369 | void cpu_save(QEMUFile *f, void *opaque) | |
1370 | { | |
1371 | CPUState *env = opaque; | |
1372 | uint16_t fptag, fpus, fpuc; | |
1373 | uint32_t hflags; | |
1374 | int i; | |
1375 | ||
1376 | for(i = 0; i < 8; i++) | |
1377 | qemu_put_be32s(f, &env->regs[i]); | |
1378 | qemu_put_be32s(f, &env->eip); | |
1379 | qemu_put_be32s(f, &env->eflags); | |
1380 | qemu_put_be32s(f, &env->eflags); | |
1381 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1382 | qemu_put_be32s(f, &hflags); | |
1383 | ||
1384 | /* FPU */ | |
1385 | fpuc = env->fpuc; | |
1386 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1387 | fptag = 0; | |
1388 | for (i=7; i>=0; i--) { | |
1389 | fptag <<= 2; | |
1390 | if (env->fptags[i]) { | |
1391 | fptag |= 3; | |
1392 | } | |
1393 | } | |
1394 | ||
1395 | qemu_put_be16s(f, &fpuc); | |
1396 | qemu_put_be16s(f, &fpus); | |
1397 | qemu_put_be16s(f, &fptag); | |
1398 | ||
1399 | for(i = 0; i < 8; i++) { | |
1400 | uint64_t mant; | |
1401 | uint16_t exp; | |
1402 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1403 | qemu_put_be64(f, mant); | |
1404 | qemu_put_be16(f, exp); | |
1405 | } | |
1406 | ||
1407 | for(i = 0; i < 6; i++) | |
1408 | cpu_put_seg(f, &env->segs[i]); | |
1409 | cpu_put_seg(f, &env->ldt); | |
1410 | cpu_put_seg(f, &env->tr); | |
1411 | cpu_put_seg(f, &env->gdt); | |
1412 | cpu_put_seg(f, &env->idt); | |
1413 | ||
1414 | qemu_put_be32s(f, &env->sysenter_cs); | |
1415 | qemu_put_be32s(f, &env->sysenter_esp); | |
1416 | qemu_put_be32s(f, &env->sysenter_eip); | |
1417 | ||
1418 | qemu_put_be32s(f, &env->cr[0]); | |
1419 | qemu_put_be32s(f, &env->cr[2]); | |
1420 | qemu_put_be32s(f, &env->cr[3]); | |
1421 | qemu_put_be32s(f, &env->cr[4]); | |
1422 | ||
1423 | for(i = 0; i < 8; i++) | |
1424 | qemu_put_be32s(f, &env->dr[i]); | |
1425 | ||
1426 | /* MMU */ | |
1427 | qemu_put_be32s(f, &env->a20_mask); | |
1428 | } | |
1429 | ||
1430 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1431 | { | |
1432 | CPUState *env = opaque; | |
1433 | int i; | |
1434 | uint32_t hflags; | |
1435 | uint16_t fpus, fpuc, fptag; | |
1436 | ||
1437 | if (version_id != 1) | |
1438 | return -EINVAL; | |
1439 | for(i = 0; i < 8; i++) | |
1440 | qemu_get_be32s(f, &env->regs[i]); | |
1441 | qemu_get_be32s(f, &env->eip); | |
1442 | qemu_get_be32s(f, &env->eflags); | |
1443 | qemu_get_be32s(f, &env->eflags); | |
1444 | qemu_get_be32s(f, &hflags); | |
1445 | ||
1446 | qemu_get_be16s(f, &fpuc); | |
1447 | qemu_get_be16s(f, &fpus); | |
1448 | qemu_get_be16s(f, &fptag); | |
1449 | ||
1450 | for(i = 0; i < 8; i++) { | |
1451 | uint64_t mant; | |
1452 | uint16_t exp; | |
1453 | mant = qemu_get_be64(f); | |
1454 | exp = qemu_get_be16(f); | |
1455 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1456 | } | |
1457 | ||
1458 | env->fpuc = fpuc; | |
1459 | env->fpstt = (fpus >> 11) & 7; | |
1460 | env->fpus = fpus & ~0x3800; | |
1461 | for(i = 0; i < 8; i++) { | |
1462 | env->fptags[i] = ((fptag & 3) == 3); | |
1463 | fptag >>= 2; | |
1464 | } | |
1465 | ||
1466 | for(i = 0; i < 6; i++) | |
1467 | cpu_get_seg(f, &env->segs[i]); | |
1468 | cpu_get_seg(f, &env->ldt); | |
1469 | cpu_get_seg(f, &env->tr); | |
1470 | cpu_get_seg(f, &env->gdt); | |
1471 | cpu_get_seg(f, &env->idt); | |
1472 | ||
1473 | qemu_get_be32s(f, &env->sysenter_cs); | |
1474 | qemu_get_be32s(f, &env->sysenter_esp); | |
1475 | qemu_get_be32s(f, &env->sysenter_eip); | |
1476 | ||
1477 | qemu_get_be32s(f, &env->cr[0]); | |
1478 | qemu_get_be32s(f, &env->cr[2]); | |
1479 | qemu_get_be32s(f, &env->cr[3]); | |
1480 | qemu_get_be32s(f, &env->cr[4]); | |
1481 | ||
1482 | for(i = 0; i < 8; i++) | |
1483 | qemu_get_be32s(f, &env->dr[i]); | |
1484 | ||
1485 | /* MMU */ | |
1486 | qemu_get_be32s(f, &env->a20_mask); | |
1487 | ||
1488 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1489 | env->hflags = hflags; | |
1490 | tlb_flush(env, 1); | |
1491 | return 0; | |
1492 | } | |
1493 | ||
a541f297 FB |
1494 | #elif defined(TARGET_PPC) |
1495 | void cpu_save(QEMUFile *f, void *opaque) | |
1496 | { | |
1497 | } | |
1498 | ||
1499 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1500 | { | |
1501 | return 0; | |
1502 | } | |
8a7ddc38 FB |
1503 | #else |
1504 | ||
1505 | #warning No CPU save/restore functions | |
1506 | ||
1507 | #endif | |
1508 | ||
1509 | /***********************************************************/ | |
1510 | /* ram save/restore */ | |
1511 | ||
1512 | /* we just avoid storing empty pages */ | |
1513 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1514 | { | |
1515 | int i, v; | |
1516 | ||
1517 | v = buf[0]; | |
1518 | for(i = 1; i < len; i++) { | |
1519 | if (buf[i] != v) | |
1520 | goto normal_save; | |
1521 | } | |
1522 | qemu_put_byte(f, 1); | |
1523 | qemu_put_byte(f, v); | |
1524 | return; | |
1525 | normal_save: | |
1526 | qemu_put_byte(f, 0); | |
1527 | qemu_put_buffer(f, buf, len); | |
1528 | } | |
1529 | ||
1530 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1531 | { | |
1532 | int v; | |
1533 | ||
1534 | v = qemu_get_byte(f); | |
1535 | switch(v) { | |
1536 | case 0: | |
1537 | if (qemu_get_buffer(f, buf, len) != len) | |
1538 | return -EIO; | |
1539 | break; | |
1540 | case 1: | |
1541 | v = qemu_get_byte(f); | |
1542 | memset(buf, v, len); | |
1543 | break; | |
1544 | default: | |
1545 | return -EINVAL; | |
1546 | } | |
1547 | return 0; | |
1548 | } | |
1549 | ||
1550 | static void ram_save(QEMUFile *f, void *opaque) | |
1551 | { | |
1552 | int i; | |
1553 | qemu_put_be32(f, phys_ram_size); | |
1554 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1555 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1556 | } | |
1557 | } | |
1558 | ||
1559 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1560 | { | |
1561 | int i, ret; | |
1562 | ||
1563 | if (version_id != 1) | |
1564 | return -EINVAL; | |
1565 | if (qemu_get_be32(f) != phys_ram_size) | |
1566 | return -EINVAL; | |
1567 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1568 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1569 | if (ret) | |
1570 | return ret; | |
1571 | } | |
1572 | return 0; | |
1573 | } | |
1574 | ||
1575 | /***********************************************************/ | |
1576 | /* main execution loop */ | |
1577 | ||
1578 | void gui_update(void *opaque) | |
1579 | { | |
1580 | display_state.dpy_refresh(&display_state); | |
1581 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1582 | } | |
1583 | ||
1584 | /* XXX: support several handlers */ | |
1585 | VMStopHandler *vm_stop_cb; | |
1586 | VMStopHandler *vm_stop_opaque; | |
1587 | ||
1588 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1589 | { | |
1590 | vm_stop_cb = cb; | |
1591 | vm_stop_opaque = opaque; | |
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1596 | { | |
1597 | vm_stop_cb = NULL; | |
1598 | } | |
1599 | ||
1600 | void vm_start(void) | |
1601 | { | |
1602 | if (!vm_running) { | |
1603 | cpu_enable_ticks(); | |
1604 | vm_running = 1; | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | void vm_stop(int reason) | |
1609 | { | |
1610 | if (vm_running) { | |
1611 | cpu_disable_ticks(); | |
1612 | vm_running = 0; | |
1613 | if (reason != 0) { | |
1614 | if (vm_stop_cb) { | |
1615 | vm_stop_cb(vm_stop_opaque, reason); | |
1616 | } | |
34865134 | 1617 | } |
8a7ddc38 FB |
1618 | } |
1619 | } | |
1620 | ||
1621 | int main_loop(void) | |
1622 | { | |
67b915a5 | 1623 | #ifndef _WIN32 |
8a7ddc38 | 1624 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1625 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1626 | uint8_t buf[4096]; |
1627 | int n, max_size; | |
1628 | #endif | |
1629 | int ret, timeout; | |
8a7ddc38 FB |
1630 | CPUState *env = global_env; |
1631 | ||
1632 | for(;;) { | |
1633 | if (vm_running) { | |
1634 | ret = cpu_exec(env); | |
1635 | if (reset_requested) { | |
1636 | ret = EXCP_INTERRUPT; | |
1637 | break; | |
1638 | } | |
1639 | if (ret == EXCP_DEBUG) { | |
1640 | vm_stop(EXCP_DEBUG); | |
1641 | } | |
1642 | /* if hlt instruction, we wait until the next IRQ */ | |
1643 | /* XXX: use timeout computed from timers */ | |
1644 | if (ret == EXCP_HLT) | |
1645 | timeout = 10; | |
1646 | else | |
1647 | timeout = 0; | |
1648 | } else { | |
b4608c04 | 1649 | timeout = 10; |
8a7ddc38 | 1650 | } |
c4b1fcc0 | 1651 | |
38e205a2 FB |
1652 | #ifdef _WIN32 |
1653 | if (timeout > 0) | |
1654 | Sleep(timeout); | |
1655 | #else | |
1656 | ||
b4608c04 | 1657 | /* poll any events */ |
8a7ddc38 | 1658 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1659 | pf = ufds; |
8a7ddc38 FB |
1660 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1661 | if (!ioh->fd_can_read) { | |
1662 | max_size = 0; | |
c4b1fcc0 FB |
1663 | pf->fd = ioh->fd; |
1664 | pf->events = POLLIN; | |
1665 | ioh->ufd = pf; | |
1666 | pf++; | |
1667 | } else { | |
8a7ddc38 FB |
1668 | max_size = ioh->fd_can_read(ioh->opaque); |
1669 | if (max_size > 0) { | |
1670 | if (max_size > sizeof(buf)) | |
1671 | max_size = sizeof(buf); | |
1672 | pf->fd = ioh->fd; | |
1673 | pf->events = POLLIN; | |
1674 | ioh->ufd = pf; | |
1675 | pf++; | |
1676 | } else { | |
1677 | ioh->ufd = NULL; | |
1678 | } | |
c4b1fcc0 FB |
1679 | } |
1680 | ioh->max_size = max_size; | |
b4608c04 | 1681 | } |
73332e5c | 1682 | |
b4608c04 FB |
1683 | ret = poll(ufds, pf - ufds, timeout); |
1684 | if (ret > 0) { | |
8a7ddc38 FB |
1685 | /* XXX: better handling of removal */ |
1686 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1687 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1688 | pf = ioh->ufd; |
1689 | if (pf) { | |
8a7ddc38 FB |
1690 | if (pf->revents & POLLIN) { |
1691 | if (ioh->max_size == 0) { | |
1692 | /* just a read event */ | |
1693 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1694 | } else { | |
1695 | n = read(ioh->fd, buf, ioh->max_size); | |
1696 | if (n >= 0) { | |
1697 | ioh->fd_read(ioh->opaque, buf, n); | |
1698 | } else if (errno != -EAGAIN) { | |
1699 | ioh->fd_read(ioh->opaque, NULL, -errno); | |
1700 | } | |
1701 | } | |
b4608c04 | 1702 | } |
b4608c04 | 1703 | } |
b4608c04 FB |
1704 | } |
1705 | } | |
c20709aa FB |
1706 | |
1707 | #if defined(CONFIG_SLIRP) | |
1708 | /* XXX: merge with poll() */ | |
1709 | if (slirp_inited) { | |
1710 | fd_set rfds, wfds, xfds; | |
1711 | int nfds; | |
1712 | struct timeval tv; | |
1713 | ||
1714 | nfds = -1; | |
1715 | FD_ZERO(&rfds); | |
1716 | FD_ZERO(&wfds); | |
1717 | FD_ZERO(&xfds); | |
1718 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
1719 | tv.tv_sec = 0; | |
1720 | tv.tv_usec = 0; | |
1721 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
1722 | if (ret >= 0) { | |
1723 | slirp_select_poll(&rfds, &wfds, &xfds); | |
1724 | } | |
1725 | } | |
1726 | #endif | |
1727 | ||
67b915a5 | 1728 | #endif |
b4608c04 | 1729 | |
8a7ddc38 FB |
1730 | if (vm_running) { |
1731 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1732 | qemu_get_clock(vm_clock)); | |
1733 | ||
1734 | /* XXX: add explicit timer */ | |
1735 | SB16_run(); | |
1736 | ||
1737 | /* run dma transfers, if any */ | |
1738 | DMA_run(); | |
b4608c04 | 1739 | } |
313aa567 | 1740 | |
8a7ddc38 FB |
1741 | /* real time timers */ |
1742 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1743 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1744 | } |
34865134 FB |
1745 | cpu_disable_ticks(); |
1746 | return ret; | |
b4608c04 FB |
1747 | } |
1748 | ||
0824d6fc FB |
1749 | void help(void) |
1750 | { | |
a20dd508 | 1751 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n" |
0db63474 | 1752 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1753 | "\n" |
a20dd508 | 1754 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1755 | "\n" |
a20dd508 | 1756 | "Standard options:\n" |
c45886db | 1757 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1758 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1759 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1760 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1761 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 FB |
1762 | "-snapshot write to temporary files instead of disk image files\n" |
1763 | "-m megs set virtual RAM size to megs MB\n" | |
c4b1fcc0 FB |
1764 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
1765 | "\n" | |
1766 | "Network options:\n" | |
c20709aa | 1767 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 1768 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
1769 | "-n script set tap/tun network init script [default=%s]\n" |
1770 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
1771 | #ifdef CONFIG_SLIRP | |
1772 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
1773 | #endif | |
1774 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 1775 | "\n" |
c4b1fcc0 | 1776 | "Linux boot specific:\n" |
a20dd508 FB |
1777 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1778 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1779 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1780 | "\n" |
330d0414 | 1781 | "Debug/Expert options:\n" |
a20dd508 FB |
1782 | "-s wait gdb connection to port %d\n" |
1783 | "-p port change gdb connection port\n" | |
f193c797 | 1784 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1785 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1786 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1787 | #ifdef USE_CODE_COPY |
1788 | "-no-code-copy disable code copy acceleration\n" | |
1789 | #endif | |
1790 | ||
0824d6fc | 1791 | "\n" |
f1510b2c | 1792 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1793 | #ifdef CONFIG_SOFTMMU |
1794 | "qemu", | |
1795 | #else | |
1796 | "qemu-fast", | |
1797 | #endif | |
1798 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
1799 | DEFAULT_GDBSTUB_PORT, |
1800 | "/tmp/qemu.log"); | |
0824d6fc | 1801 | term_print_help(); |
0db63474 FB |
1802 | #ifndef CONFIG_SOFTMMU |
1803 | printf("\n" | |
1804 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
1805 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
1806 | "PC emulation.\n"); | |
1807 | #endif | |
0824d6fc FB |
1808 | exit(1); |
1809 | } | |
1810 | ||
fc01f7e7 FB |
1811 | struct option long_options[] = { |
1812 | { "initrd", 1, NULL, 0, }, | |
1813 | { "hda", 1, NULL, 0, }, | |
1814 | { "hdb", 1, NULL, 0, }, | |
33e3963e | 1815 | { "snapshot", 0, NULL, 0, }, |
330d0414 | 1816 | { "hdachs", 1, NULL, 0, }, |
a20dd508 FB |
1817 | { "nographic", 0, NULL, 0, }, |
1818 | { "kernel", 1, NULL, 0, }, | |
1819 | { "append", 1, NULL, 0, }, | |
42f1e0e4 | 1820 | { "tun-fd", 1, NULL, 0, }, |
36b486bb FB |
1821 | { "hdc", 1, NULL, 0, }, |
1822 | { "hdd", 1, NULL, 0, }, | |
1823 | { "cdrom", 1, NULL, 0, }, | |
1824 | { "boot", 1, NULL, 0, }, | |
c45886db FB |
1825 | { "fda", 1, NULL, 0, }, |
1826 | { "fdb", 1, NULL, 0, }, | |
c4b1fcc0 FB |
1827 | { "no-code-copy", 0, NULL, 0 }, |
1828 | { "nics", 1, NULL, 0 }, | |
702c651c | 1829 | { "macaddr", 1, NULL, 0 }, |
f6bac380 FB |
1830 | { "user-net", 0, NULL, 0 }, |
1831 | { "dummy-net", 0, NULL, 0 }, | |
fc01f7e7 FB |
1832 | { NULL, 0, NULL, 0 }, |
1833 | }; | |
1834 | ||
77fef8c1 FB |
1835 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
1836 | ||
1837 | /* this stack is only used during signal handling */ | |
1838 | #define SIGNAL_STACK_SIZE 32768 | |
1839 | ||
1840 | static uint8_t *signal_stack; | |
1841 | ||
1842 | #endif | |
1843 | ||
c20709aa FB |
1844 | #define NET_IF_TUN 0 |
1845 | #define NET_IF_USER 1 | |
1846 | #define NET_IF_DUMMY 2 | |
1847 | ||
0824d6fc FB |
1848 | int main(int argc, char **argv) |
1849 | { | |
67b915a5 FB |
1850 | #ifdef CONFIG_GDBSTUB |
1851 | int use_gdbstub, gdbstub_port; | |
1852 | #endif | |
1853 | int c, i, long_index, has_cdrom; | |
1ccde1cb | 1854 | int snapshot, linux_boot; |
c45886db | 1855 | CPUState *env; |
7f7f9873 | 1856 | const char *initrd_filename; |
c45886db | 1857 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 1858 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 1859 | DisplayState *ds = &display_state; |
c4b1fcc0 | 1860 | int cyls, heads, secs; |
a541f297 | 1861 | int start_emulation = 1; |
702c651c | 1862 | uint8_t macaddr[6]; |
c20709aa FB |
1863 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
1864 | ||
67b915a5 | 1865 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
1866 | /* we never want that malloc() uses mmap() */ |
1867 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 1868 | #endif |
fc01f7e7 | 1869 | initrd_filename = NULL; |
c45886db FB |
1870 | for(i = 0; i < MAX_FD; i++) |
1871 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
1872 | for(i = 0; i < MAX_DISKS; i++) |
1873 | hd_filename[i] = NULL; | |
1ccde1cb | 1874 | ram_size = 32 * 1024 * 1024; |
313aa567 | 1875 | vga_ram_size = VGA_RAM_SIZE; |
f1510b2c | 1876 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 1877 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
1878 | use_gdbstub = 0; |
1879 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 1880 | #endif |
33e3963e | 1881 | snapshot = 0; |
a20dd508 FB |
1882 | nographic = 0; |
1883 | kernel_filename = NULL; | |
1884 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
1885 | has_cdrom = 1; |
1886 | cyls = heads = secs = 0; | |
1887 | ||
c20709aa FB |
1888 | nb_tun_fds = 0; |
1889 | net_if_type = -1; | |
c4b1fcc0 | 1890 | nb_nics = 1; |
702c651c FB |
1891 | /* default mac address of the first network interface */ |
1892 | macaddr[0] = 0x52; | |
1893 | macaddr[1] = 0x54; | |
1894 | macaddr[2] = 0x00; | |
1895 | macaddr[3] = 0x12; | |
1896 | macaddr[4] = 0x34; | |
1897 | macaddr[5] = 0x56; | |
c20709aa FB |
1898 | |
1899 | ||
0824d6fc | 1900 | for(;;) { |
a541f297 | 1901 | c = getopt_long_only(argc, argv, "hm:d:n:sp:L:S", long_options, &long_index); |
0824d6fc FB |
1902 | if (c == -1) |
1903 | break; | |
1904 | switch(c) { | |
fc01f7e7 FB |
1905 | case 0: |
1906 | switch(long_index) { | |
1907 | case 0: | |
1908 | initrd_filename = optarg; | |
1909 | break; | |
1910 | case 1: | |
1911 | hd_filename[0] = optarg; | |
1912 | break; | |
1913 | case 2: | |
1914 | hd_filename[1] = optarg; | |
1915 | break; | |
33e3963e FB |
1916 | case 3: |
1917 | snapshot = 1; | |
1918 | break; | |
330d0414 FB |
1919 | case 4: |
1920 | { | |
330d0414 FB |
1921 | const char *p; |
1922 | p = optarg; | |
1923 | cyls = strtol(p, (char **)&p, 0); | |
1924 | if (*p != ',') | |
1925 | goto chs_fail; | |
1926 | p++; | |
1927 | heads = strtol(p, (char **)&p, 0); | |
1928 | if (*p != ',') | |
1929 | goto chs_fail; | |
1930 | p++; | |
1931 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
1932 | if (*p != '\0') { |
1933 | chs_fail: | |
1934 | cyls = 0; | |
1935 | } | |
330d0414 FB |
1936 | } |
1937 | break; | |
313aa567 | 1938 | case 5: |
a20dd508 FB |
1939 | nographic = 1; |
1940 | break; | |
1941 | case 6: | |
1942 | kernel_filename = optarg; | |
1943 | break; | |
1944 | case 7: | |
1945 | kernel_cmdline = optarg; | |
313aa567 | 1946 | break; |
42f1e0e4 | 1947 | case 8: |
c4b1fcc0 FB |
1948 | { |
1949 | const char *p; | |
1950 | int fd; | |
c20709aa FB |
1951 | if (nb_tun_fds < MAX_NICS) { |
1952 | fd = strtol(optarg, (char **)&p, 0); | |
1953 | if (*p != '\0') { | |
1954 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
1955 | exit(1); |
1956 | } | |
c20709aa | 1957 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
1958 | } |
1959 | } | |
42f1e0e4 | 1960 | break; |
36b486bb FB |
1961 | case 9: |
1962 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1963 | has_cdrom = 0; |
36b486bb FB |
1964 | break; |
1965 | case 10: | |
1966 | hd_filename[3] = optarg; | |
1967 | break; | |
1968 | case 11: | |
1969 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1970 | has_cdrom = 1; |
36b486bb FB |
1971 | break; |
1972 | case 12: | |
1973 | boot_device = optarg[0]; | |
c45886db FB |
1974 | if (boot_device != 'a' && boot_device != 'b' && |
1975 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
1976 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
1977 | exit(1); | |
1978 | } | |
1979 | break; | |
c45886db FB |
1980 | case 13: |
1981 | fd_filename[0] = optarg; | |
1982 | break; | |
1983 | case 14: | |
1984 | fd_filename[1] = optarg; | |
1985 | break; | |
77fef8c1 FB |
1986 | case 15: |
1987 | code_copy_enabled = 0; | |
1988 | break; | |
c4b1fcc0 FB |
1989 | case 16: |
1990 | nb_nics = atoi(optarg); | |
1991 | if (nb_nics < 1 || nb_nics > MAX_NICS) { | |
1992 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); | |
1993 | exit(1); | |
1994 | } | |
1995 | break; | |
702c651c FB |
1996 | case 17: |
1997 | { | |
1998 | const char *p; | |
1999 | int i; | |
2000 | p = optarg; | |
2001 | for(i = 0; i < 6; i++) { | |
2002 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2003 | if (i == 5) { | |
2004 | if (*p != '\0') | |
2005 | goto macaddr_error; | |
2006 | } else { | |
2007 | if (*p != ':') { | |
2008 | macaddr_error: | |
2009 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2010 | exit(1); | |
2011 | } | |
2012 | p++; | |
2013 | } | |
2014 | } | |
2015 | } | |
2016 | break; | |
c20709aa FB |
2017 | case 18: |
2018 | net_if_type = NET_IF_USER; | |
2019 | break; | |
2020 | case 19: | |
2021 | net_if_type = NET_IF_DUMMY; | |
2022 | break; | |
fc01f7e7 FB |
2023 | } |
2024 | break; | |
0824d6fc FB |
2025 | case 'h': |
2026 | help(); | |
2027 | break; | |
2028 | case 'm': | |
1ccde1cb FB |
2029 | ram_size = atoi(optarg) * 1024 * 1024; |
2030 | if (ram_size <= 0) | |
0824d6fc | 2031 | help(); |
1ccde1cb | 2032 | if (ram_size > PHYS_RAM_MAX_SIZE) { |
36b486bb | 2033 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", |
7916e224 FB |
2034 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
2035 | exit(1); | |
2036 | } | |
0824d6fc FB |
2037 | break; |
2038 | case 'd': | |
f193c797 FB |
2039 | { |
2040 | int mask; | |
2041 | CPULogItem *item; | |
2042 | ||
2043 | mask = cpu_str_to_log_mask(optarg); | |
2044 | if (!mask) { | |
2045 | printf("Log items (comma separated):\n"); | |
2046 | for(item = cpu_log_items; item->mask != 0; item++) { | |
2047 | printf("%-10s %s\n", item->name, item->help); | |
2048 | } | |
2049 | exit(1); | |
2050 | } | |
2051 | cpu_set_log(mask); | |
2052 | } | |
0824d6fc | 2053 | break; |
f1510b2c FB |
2054 | case 'n': |
2055 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2056 | break; | |
67b915a5 | 2057 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2058 | case 's': |
2059 | use_gdbstub = 1; | |
2060 | break; | |
2061 | case 'p': | |
2062 | gdbstub_port = atoi(optarg); | |
2063 | break; | |
67b915a5 | 2064 | #endif |
330d0414 | 2065 | case 'L': |
5a67135a | 2066 | bios_dir = optarg; |
330d0414 | 2067 | break; |
a541f297 FB |
2068 | case 'S': |
2069 | start_emulation = 0; | |
2070 | break; | |
0824d6fc FB |
2071 | } |
2072 | } | |
330d0414 | 2073 | |
a20dd508 FB |
2074 | if (optind < argc) { |
2075 | hd_filename[0] = argv[optind++]; | |
2076 | } | |
2077 | ||
2078 | linux_boot = (kernel_filename != NULL); | |
330d0414 | 2079 | |
c45886db FB |
2080 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2081 | fd_filename[0] == '\0') | |
0824d6fc | 2082 | help(); |
8f2b1fb0 FB |
2083 | |
2084 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2085 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2086 | if (fd_filename[0] != '\0') | |
2087 | boot_device = 'a'; | |
2088 | else | |
2089 | boot_device = 'd'; | |
2090 | } | |
0824d6fc | 2091 | |
dc887a4d FB |
2092 | #if !defined(CONFIG_SOFTMMU) |
2093 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2094 | { | |
2095 | static uint8_t stdout_buf[4096]; | |
2096 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2097 | } | |
2098 | #else | |
b118d61e | 2099 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2100 | #endif |
0824d6fc | 2101 | |
c4b1fcc0 | 2102 | /* init host network redirectors */ |
c20709aa FB |
2103 | if (net_if_type == -1) { |
2104 | net_if_type = NET_IF_TUN; | |
2105 | #if defined(CONFIG_SLIRP) | |
2106 | if (access(network_script, R_OK) < 0) { | |
2107 | net_if_type = NET_IF_USER; | |
2108 | } | |
2109 | #endif | |
2110 | } | |
2111 | ||
2112 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2113 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2114 | nd->index = i; |
702c651c FB |
2115 | /* init virtual mac address */ |
2116 | nd->macaddr[0] = macaddr[0]; | |
2117 | nd->macaddr[1] = macaddr[1]; | |
2118 | nd->macaddr[2] = macaddr[2]; | |
2119 | nd->macaddr[3] = macaddr[3]; | |
2120 | nd->macaddr[4] = macaddr[4]; | |
2121 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2122 | switch(net_if_type) { |
2123 | #if defined(CONFIG_SLIRP) | |
2124 | case NET_IF_USER: | |
2125 | net_slirp_init(nd); | |
2126 | break; | |
2127 | #endif | |
2128 | #if !defined(_WIN32) | |
2129 | case NET_IF_TUN: | |
2130 | if (i < nb_tun_fds) { | |
2131 | net_fd_init(nd, tun_fds[i]); | |
2132 | } else { | |
2133 | net_tun_init(nd); | |
2134 | } | |
2135 | break; | |
2136 | #endif | |
2137 | case NET_IF_DUMMY: | |
2138 | default: | |
2139 | net_dummy_init(nd); | |
2140 | break; | |
2141 | } | |
702c651c | 2142 | } |
f1510b2c | 2143 | |
0824d6fc | 2144 | /* init the memory */ |
1ccde1cb | 2145 | phys_ram_size = ram_size + vga_ram_size; |
7f7f9873 FB |
2146 | |
2147 | #ifdef CONFIG_SOFTMMU | |
1ccde1cb | 2148 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7f7f9873 FB |
2149 | if (!phys_ram_base) { |
2150 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2151 | exit(1); |
2152 | } | |
7f7f9873 FB |
2153 | #else |
2154 | /* as we must map the same page at several addresses, we must use | |
2155 | a fd */ | |
2156 | { | |
2157 | const char *tmpdir; | |
2158 | ||
2159 | tmpdir = getenv("QEMU_TMPDIR"); | |
2160 | if (!tmpdir) | |
2161 | tmpdir = "/tmp"; | |
2162 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2163 | if (mkstemp(phys_ram_file) < 0) { | |
2164 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2165 | phys_ram_file); | |
2166 | exit(1); | |
2167 | } | |
2168 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2169 | if (phys_ram_fd < 0) { | |
2170 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2171 | phys_ram_file); | |
2172 | exit(1); | |
2173 | } | |
1ccde1cb | 2174 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2175 | unlink(phys_ram_file); |
1ccde1cb FB |
2176 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2177 | phys_ram_size, | |
7f7f9873 FB |
2178 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2179 | phys_ram_fd, 0); | |
2180 | if (phys_ram_base == MAP_FAILED) { | |
2181 | fprintf(stderr, "Could not map physical memory\n"); | |
2182 | exit(1); | |
2183 | } | |
2184 | } | |
2185 | #endif | |
0824d6fc | 2186 | |
c4b1fcc0 FB |
2187 | /* we always create the cdrom drive, even if no disk is there */ |
2188 | if (has_cdrom) { | |
2189 | bs_table[2] = bdrv_new("cdrom"); | |
2190 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2191 | } | |
2192 | ||
33e3963e FB |
2193 | /* open the virtual block devices */ |
2194 | for(i = 0; i < MAX_DISKS; i++) { | |
2195 | if (hd_filename[i]) { | |
33e3963e | 2196 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2197 | char buf[64]; |
2198 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2199 | bs_table[i] = bdrv_new(buf); | |
2200 | } | |
2201 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2202 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2203 | hd_filename[i]); |
2204 | exit(1); | |
2205 | } | |
c4b1fcc0 FB |
2206 | if (i == 0 && cyls != 0) |
2207 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2208 | } | |
2209 | } | |
2210 | ||
2211 | /* we always create at least one floppy disk */ | |
2212 | fd_table[0] = bdrv_new("fda"); | |
2213 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2214 | ||
2215 | for(i = 0; i < MAX_FD; i++) { | |
2216 | if (fd_filename[i]) { | |
2217 | if (!fd_table[i]) { | |
2218 | char buf[64]; | |
2219 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2220 | fd_table[i] = bdrv_new(buf); | |
2221 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2222 | } | |
2223 | if (fd_filename[i] != '\0') { | |
2224 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 2225 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
2226 | fd_filename[i]); |
2227 | exit(1); | |
2228 | } | |
2229 | } | |
33e3963e FB |
2230 | } |
2231 | } | |
2232 | ||
330d0414 FB |
2233 | /* init CPU state */ |
2234 | env = cpu_init(); | |
2235 | global_env = env; | |
2236 | cpu_single_env = env; | |
2237 | ||
8a7ddc38 FB |
2238 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2239 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
2240 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
2241 | ||
330d0414 | 2242 | init_ioports(); |
80cabfad | 2243 | cpu_calibrate_ticks(); |
0824d6fc | 2244 | |
313aa567 | 2245 | /* terminal init */ |
a20dd508 | 2246 | if (nographic) { |
313aa567 FB |
2247 | dumb_display_init(ds); |
2248 | } else { | |
2249 | #ifdef CONFIG_SDL | |
2250 | sdl_display_init(ds); | |
313aa567 FB |
2251 | #else |
2252 | dumb_display_init(ds); | |
2253 | #endif | |
2254 | } | |
0824d6fc | 2255 | |
0824d6fc | 2256 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2257 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2258 | |
77fef8c1 FB |
2259 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2260 | { | |
2261 | stack_t stk; | |
73332e5c | 2262 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2263 | stk.ss_sp = signal_stack; |
2264 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2265 | stk.ss_flags = 0; | |
2266 | ||
2267 | if (sigaltstack(&stk, NULL) < 0) { | |
2268 | perror("sigaltstack"); | |
2269 | exit(1); | |
2270 | } | |
2271 | } | |
2272 | #endif | |
8a7ddc38 FB |
2273 | { |
2274 | struct sigaction act; | |
77fef8c1 | 2275 | |
8a7ddc38 FB |
2276 | sigfillset(&act.sa_mask); |
2277 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2278 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2279 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2280 | #endif |
8a7ddc38 FB |
2281 | act.sa_sigaction = host_segv_handler; |
2282 | sigaction(SIGSEGV, &act, NULL); | |
2283 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2284 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2285 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2286 | #endif |
8a7ddc38 | 2287 | } |
3a51dee6 | 2288 | #endif |
0824d6fc | 2289 | |
67b915a5 | 2290 | #ifndef _WIN32 |
8a7ddc38 FB |
2291 | { |
2292 | struct sigaction act; | |
2293 | sigfillset(&act.sa_mask); | |
2294 | act.sa_flags = 0; | |
2295 | act.sa_handler = SIG_IGN; | |
2296 | sigaction(SIGPIPE, &act, NULL); | |
2297 | } | |
67b915a5 | 2298 | #endif |
73332e5c FB |
2299 | init_timers(); |
2300 | ||
2301 | #if defined(TARGET_I386) | |
2302 | pc_init(ram_size, vga_ram_size, boot_device, | |
2303 | ds, fd_filename, snapshot, | |
2304 | kernel_filename, kernel_cmdline, initrd_filename); | |
2305 | #elif defined(TARGET_PPC) | |
a541f297 FB |
2306 | ppc_init(ram_size, vga_ram_size, boot_device, |
2307 | ds, fd_filename, snapshot, | |
2308 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
2309 | #endif |
2310 | ||
2311 | /* launched after the device init so that it can display or not a | |
2312 | banner */ | |
2313 | monitor_init(); | |
0824d6fc | 2314 | |
8a7ddc38 FB |
2315 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2316 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2317 | |
67b915a5 | 2318 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2319 | if (use_gdbstub) { |
8a7ddc38 FB |
2320 | if (gdbserver_start(gdbstub_port) < 0) { |
2321 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2322 | gdbstub_port); | |
2323 | exit(1); | |
2324 | } else { | |
2325 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2326 | } | |
67b915a5 FB |
2327 | } else |
2328 | #endif | |
a541f297 | 2329 | if (start_emulation) |
67b915a5 | 2330 | { |
8a7ddc38 | 2331 | vm_start(); |
0824d6fc | 2332 | } |
8a7ddc38 FB |
2333 | term_init(); |
2334 | main_loop(); | |
40c3bac3 | 2335 | quit_timers(); |
0824d6fc FB |
2336 | return 0; |
2337 | } |