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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 | ||
48 | #ifdef _WIN32 | |
49 | #include <sys/timeb.h> | |
50 | #include <windows.h> | |
51 | #define getopt_long_only getopt_long | |
52 | #define memalign(align, size) malloc(size) | |
53 | #endif | |
54 | ||
73332e5c FB |
55 | #ifdef CONFIG_SDL |
56 | /* SDL use the pthreads and they modify sigaction. We don't | |
57 | want that. */ | |
58 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) | |
59 | extern void __libc_sigaction(); | |
60 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
61 | #else | |
62 | extern void __sigaction(); | |
63 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
64 | #endif | |
65 | #endif /* CONFIG_SDL */ | |
0824d6fc | 66 | |
0824d6fc | 67 | #include "disas.h" |
fc01f7e7 | 68 | |
8a7ddc38 | 69 | #include "exec-all.h" |
0824d6fc | 70 | |
5a67135a | 71 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 72 | |
0824d6fc | 73 | //#define DEBUG_UNUSED_IOPORT |
330d0414 | 74 | |
bb551faa | 75 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 76 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
77 | #else |
78 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
79 | #endif | |
7916e224 | 80 | |
8a7ddc38 FB |
81 | /* in ms */ |
82 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 83 | |
7dea1da4 FB |
84 | /* XXX: use a two level table to limit memory usage */ |
85 | #define MAX_IOPORTS 65536 | |
0824d6fc | 86 | |
80cabfad | 87 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 88 | char phys_ram_file[1024]; |
c45886db FB |
89 | CPUState *global_env; |
90 | CPUState *cpu_single_env; | |
c4b1fcc0 | 91 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
92 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
93 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 94 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 FB |
95 | int vga_ram_size; |
96 | static DisplayState display_state; | |
a20dd508 | 97 | int nographic; |
313aa567 | 98 | int64_t ticks_per_sec; |
36b486bb | 99 | int boot_device = 'c'; |
1ccde1cb | 100 | static int ram_size; |
80cabfad FB |
101 | static char network_script[1024]; |
102 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
103 | int nb_nics; |
104 | NetDriverState nd_table[MAX_NICS]; | |
105 | SerialState *serial_console; | |
8a7ddc38 FB |
106 | QEMUTimer *gui_timer; |
107 | int vm_running; | |
0824d6fc FB |
108 | |
109 | /***********************************************************/ | |
110 | /* x86 io ports */ | |
111 | ||
c4b1fcc0 | 112 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
113 | { |
114 | #ifdef DEBUG_UNUSED_IOPORT | |
115 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
116 | #endif | |
fc01f7e7 | 117 | return 0xff; |
0824d6fc FB |
118 | } |
119 | ||
c4b1fcc0 | 120 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
121 | { |
122 | #ifdef DEBUG_UNUSED_IOPORT | |
123 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
124 | #endif | |
125 | } | |
126 | ||
127 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 128 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
129 | { |
130 | uint32_t data; | |
c4b1fcc0 FB |
131 | data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address); |
132 | data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8; | |
0824d6fc FB |
133 | return data; |
134 | } | |
135 | ||
c4b1fcc0 | 136 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 137 | { |
c4b1fcc0 FB |
138 | ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff); |
139 | ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff); | |
0824d6fc FB |
140 | } |
141 | ||
c4b1fcc0 | 142 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 143 | { |
fc01f7e7 FB |
144 | #ifdef DEBUG_UNUSED_IOPORT |
145 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
146 | #endif | |
147 | return 0xffffffff; | |
0824d6fc FB |
148 | } |
149 | ||
c4b1fcc0 | 150 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 151 | { |
fc01f7e7 FB |
152 | #ifdef DEBUG_UNUSED_IOPORT |
153 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
154 | #endif | |
0824d6fc FB |
155 | } |
156 | ||
fc01f7e7 | 157 | void init_ioports(void) |
0824d6fc FB |
158 | { |
159 | int i; | |
160 | ||
fc01f7e7 FB |
161 | for(i = 0; i < MAX_IOPORTS; i++) { |
162 | ioport_read_table[0][i] = default_ioport_readb; | |
163 | ioport_write_table[0][i] = default_ioport_writeb; | |
164 | ioport_read_table[1][i] = default_ioport_readw; | |
165 | ioport_write_table[1][i] = default_ioport_writew; | |
166 | ioport_read_table[2][i] = default_ioport_readl; | |
167 | ioport_write_table[2][i] = default_ioport_writel; | |
168 | } | |
0824d6fc FB |
169 | } |
170 | ||
fc01f7e7 | 171 | /* size is the word size in byte */ |
c4b1fcc0 FB |
172 | int register_ioport_read(int start, int length, int size, |
173 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 174 | { |
fc01f7e7 | 175 | int i, bsize; |
f1510b2c | 176 | |
c4b1fcc0 | 177 | if (size == 1) { |
fc01f7e7 | 178 | bsize = 0; |
c4b1fcc0 | 179 | } else if (size == 2) { |
fc01f7e7 | 180 | bsize = 1; |
c4b1fcc0 | 181 | } else if (size == 4) { |
fc01f7e7 | 182 | bsize = 2; |
c4b1fcc0 FB |
183 | } else { |
184 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 185 | return -1; |
c4b1fcc0 FB |
186 | } |
187 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 188 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
189 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
190 | hw_error("register_ioport_read: invalid opaque"); | |
191 | ioport_opaque[i] = opaque; | |
192 | } | |
f1510b2c FB |
193 | return 0; |
194 | } | |
195 | ||
fc01f7e7 | 196 | /* size is the word size in byte */ |
c4b1fcc0 FB |
197 | int register_ioport_write(int start, int length, int size, |
198 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 199 | { |
fc01f7e7 | 200 | int i, bsize; |
f1510b2c | 201 | |
c4b1fcc0 | 202 | if (size == 1) { |
fc01f7e7 | 203 | bsize = 0; |
c4b1fcc0 | 204 | } else if (size == 2) { |
fc01f7e7 | 205 | bsize = 1; |
c4b1fcc0 | 206 | } else if (size == 4) { |
fc01f7e7 | 207 | bsize = 2; |
c4b1fcc0 FB |
208 | } else { |
209 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 210 | return -1; |
c4b1fcc0 FB |
211 | } |
212 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 213 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
214 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
215 | hw_error("register_ioport_read: invalid opaque"); | |
216 | ioport_opaque[i] = opaque; | |
217 | } | |
f1510b2c FB |
218 | return 0; |
219 | } | |
220 | ||
0824d6fc FB |
221 | void pstrcpy(char *buf, int buf_size, const char *str) |
222 | { | |
223 | int c; | |
224 | char *q = buf; | |
225 | ||
226 | if (buf_size <= 0) | |
227 | return; | |
228 | ||
229 | for(;;) { | |
230 | c = *str++; | |
231 | if (c == 0 || q >= buf + buf_size - 1) | |
232 | break; | |
233 | *q++ = c; | |
234 | } | |
235 | *q = '\0'; | |
236 | } | |
237 | ||
238 | /* strcat and truncate. */ | |
239 | char *pstrcat(char *buf, int buf_size, const char *s) | |
240 | { | |
241 | int len; | |
242 | len = strlen(buf); | |
243 | if (len < buf_size) | |
244 | pstrcpy(buf + len, buf_size - len, s); | |
245 | return buf; | |
246 | } | |
247 | ||
0824d6fc FB |
248 | /* return the size or -1 if error */ |
249 | int load_image(const char *filename, uint8_t *addr) | |
250 | { | |
251 | int fd, size; | |
40c3bac3 | 252 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
253 | if (fd < 0) |
254 | return -1; | |
255 | size = lseek(fd, 0, SEEK_END); | |
256 | lseek(fd, 0, SEEK_SET); | |
257 | if (read(fd, addr, size) != size) { | |
258 | close(fd); | |
259 | return -1; | |
260 | } | |
261 | close(fd); | |
262 | return size; | |
263 | } | |
264 | ||
c45886db | 265 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 266 | { |
c4b1fcc0 FB |
267 | addr &= (MAX_IOPORTS - 1); |
268 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
269 | } |
270 | ||
c45886db | 271 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 272 | { |
c4b1fcc0 FB |
273 | addr &= (MAX_IOPORTS - 1); |
274 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
275 | } |
276 | ||
c45886db | 277 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 278 | { |
c4b1fcc0 FB |
279 | addr &= (MAX_IOPORTS - 1); |
280 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
281 | } |
282 | ||
c45886db | 283 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 284 | { |
c4b1fcc0 FB |
285 | addr &= (MAX_IOPORTS - 1); |
286 | return ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
287 | } |
288 | ||
c45886db | 289 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 290 | { |
c4b1fcc0 FB |
291 | addr &= (MAX_IOPORTS - 1); |
292 | return ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
293 | } |
294 | ||
c45886db | 295 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 296 | { |
c4b1fcc0 FB |
297 | addr &= (MAX_IOPORTS - 1); |
298 | return ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
299 | } |
300 | ||
301 | /***********************************************************/ | |
0824d6fc FB |
302 | void hw_error(const char *fmt, ...) |
303 | { | |
304 | va_list ap; | |
305 | ||
306 | va_start(ap, fmt); | |
307 | fprintf(stderr, "qemu: hardware error: "); | |
308 | vfprintf(stderr, fmt, ap); | |
309 | fprintf(stderr, "\n"); | |
310 | #ifdef TARGET_I386 | |
311 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
312 | #else |
313 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
314 | #endif |
315 | va_end(ap); | |
316 | abort(); | |
317 | } | |
318 | ||
8a7ddc38 FB |
319 | /***********************************************************/ |
320 | /* timers */ | |
321 | ||
34865134 FB |
322 | #if defined(__powerpc__) |
323 | ||
324 | static inline uint32_t get_tbl(void) | |
0824d6fc | 325 | { |
34865134 FB |
326 | uint32_t tbl; |
327 | asm volatile("mftb %0" : "=r" (tbl)); | |
328 | return tbl; | |
0824d6fc FB |
329 | } |
330 | ||
34865134 FB |
331 | static inline uint32_t get_tbu(void) |
332 | { | |
333 | uint32_t tbl; | |
334 | asm volatile("mftbu %0" : "=r" (tbl)); | |
335 | return tbl; | |
336 | } | |
337 | ||
338 | int64_t cpu_get_real_ticks(void) | |
339 | { | |
340 | uint32_t l, h, h1; | |
341 | /* NOTE: we test if wrapping has occurred */ | |
342 | do { | |
343 | h = get_tbu(); | |
344 | l = get_tbl(); | |
345 | h1 = get_tbu(); | |
346 | } while (h != h1); | |
347 | return ((int64_t)h << 32) | l; | |
348 | } | |
349 | ||
350 | #elif defined(__i386__) | |
351 | ||
352 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
353 | { |
354 | int64_t val; | |
e463b581 | 355 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
356 | return val; |
357 | } | |
358 | ||
34865134 FB |
359 | #else |
360 | #error unsupported CPU | |
361 | #endif | |
362 | ||
363 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 364 | static int cpu_ticks_enabled; |
34865134 | 365 | |
8a7ddc38 | 366 | static inline int64_t cpu_get_ticks(void) |
34865134 | 367 | { |
8a7ddc38 FB |
368 | if (!cpu_ticks_enabled) { |
369 | return cpu_ticks_offset; | |
370 | } else { | |
371 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
372 | } | |
34865134 FB |
373 | } |
374 | ||
375 | /* enable cpu_get_ticks() */ | |
376 | void cpu_enable_ticks(void) | |
377 | { | |
8a7ddc38 FB |
378 | if (!cpu_ticks_enabled) { |
379 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
380 | cpu_ticks_enabled = 1; | |
381 | } | |
34865134 FB |
382 | } |
383 | ||
384 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
385 | cpu_get_ticks() after that. */ | |
386 | void cpu_disable_ticks(void) | |
387 | { | |
8a7ddc38 FB |
388 | if (cpu_ticks_enabled) { |
389 | cpu_ticks_offset = cpu_get_ticks(); | |
390 | cpu_ticks_enabled = 0; | |
391 | } | |
34865134 FB |
392 | } |
393 | ||
67b915a5 | 394 | static int64_t get_clock(void) |
34865134 | 395 | { |
67b915a5 FB |
396 | #ifdef _WIN32 |
397 | struct _timeb tb; | |
398 | _ftime(&tb); | |
399 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
400 | #else | |
34865134 FB |
401 | struct timeval tv; |
402 | gettimeofday(&tv, NULL); | |
403 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 404 | #endif |
34865134 FB |
405 | } |
406 | ||
0824d6fc FB |
407 | void cpu_calibrate_ticks(void) |
408 | { | |
409 | int64_t usec, ticks; | |
410 | ||
411 | usec = get_clock(); | |
8a7ddc38 | 412 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
413 | #ifdef _WIN32 |
414 | Sleep(50); | |
415 | #else | |
0824d6fc | 416 | usleep(50 * 1000); |
67b915a5 | 417 | #endif |
0824d6fc | 418 | usec = get_clock() - usec; |
8a7ddc38 | 419 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
420 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
421 | } | |
422 | ||
87858c89 | 423 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 424 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
425 | { |
426 | union { | |
427 | uint64_t ll; | |
428 | struct { | |
429 | #ifdef WORDS_BIGENDIAN | |
430 | uint32_t high, low; | |
431 | #else | |
432 | uint32_t low, high; | |
433 | #endif | |
434 | } l; | |
435 | } u, res; | |
436 | uint64_t rl, rh; | |
437 | ||
438 | u.ll = a; | |
439 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
440 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
441 | rh += (rl >> 32); | |
442 | res.l.high = rh / c; | |
443 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
444 | return res.ll; | |
445 | } | |
446 | ||
8a7ddc38 FB |
447 | #define QEMU_TIMER_REALTIME 0 |
448 | #define QEMU_TIMER_VIRTUAL 1 | |
449 | ||
450 | struct QEMUClock { | |
451 | int type; | |
452 | /* XXX: add frequency */ | |
453 | }; | |
454 | ||
455 | struct QEMUTimer { | |
456 | QEMUClock *clock; | |
457 | int64_t expire_time; | |
458 | QEMUTimerCB *cb; | |
459 | void *opaque; | |
460 | struct QEMUTimer *next; | |
461 | }; | |
462 | ||
463 | QEMUClock *rt_clock; | |
464 | QEMUClock *vm_clock; | |
465 | ||
466 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
467 | #ifdef _WIN32 |
468 | static MMRESULT timerID; | |
469 | #else | |
8a7ddc38 FB |
470 | /* frequency of the times() clock tick */ |
471 | static int timer_freq; | |
67b915a5 | 472 | #endif |
8a7ddc38 FB |
473 | |
474 | QEMUClock *qemu_new_clock(int type) | |
475 | { | |
476 | QEMUClock *clock; | |
477 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
478 | if (!clock) | |
479 | return NULL; | |
480 | clock->type = type; | |
481 | return clock; | |
482 | } | |
483 | ||
484 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
485 | { | |
486 | QEMUTimer *ts; | |
487 | ||
488 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
489 | ts->clock = clock; | |
490 | ts->cb = cb; | |
491 | ts->opaque = opaque; | |
492 | return ts; | |
493 | } | |
494 | ||
495 | void qemu_free_timer(QEMUTimer *ts) | |
496 | { | |
497 | qemu_free(ts); | |
498 | } | |
499 | ||
500 | /* stop a timer, but do not dealloc it */ | |
501 | void qemu_del_timer(QEMUTimer *ts) | |
502 | { | |
503 | QEMUTimer **pt, *t; | |
504 | ||
505 | /* NOTE: this code must be signal safe because | |
506 | qemu_timer_expired() can be called from a signal. */ | |
507 | pt = &active_timers[ts->clock->type]; | |
508 | for(;;) { | |
509 | t = *pt; | |
510 | if (!t) | |
511 | break; | |
512 | if (t == ts) { | |
513 | *pt = t->next; | |
514 | break; | |
515 | } | |
516 | pt = &t->next; | |
517 | } | |
518 | } | |
519 | ||
520 | /* modify the current timer so that it will be fired when current_time | |
521 | >= expire_time. The corresponding callback will be called. */ | |
522 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
523 | { | |
524 | QEMUTimer **pt, *t; | |
525 | ||
526 | qemu_del_timer(ts); | |
527 | ||
528 | /* add the timer in the sorted list */ | |
529 | /* NOTE: this code must be signal safe because | |
530 | qemu_timer_expired() can be called from a signal. */ | |
531 | pt = &active_timers[ts->clock->type]; | |
532 | for(;;) { | |
533 | t = *pt; | |
534 | if (!t) | |
535 | break; | |
536 | if (t->expire_time > expire_time) | |
537 | break; | |
538 | pt = &t->next; | |
539 | } | |
540 | ts->expire_time = expire_time; | |
541 | ts->next = *pt; | |
542 | *pt = ts; | |
543 | } | |
544 | ||
545 | int qemu_timer_pending(QEMUTimer *ts) | |
546 | { | |
547 | QEMUTimer *t; | |
548 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
549 | if (t == ts) | |
550 | return 1; | |
551 | } | |
552 | return 0; | |
553 | } | |
554 | ||
555 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
556 | { | |
557 | if (!timer_head) | |
558 | return 0; | |
559 | return (timer_head->expire_time <= current_time); | |
560 | } | |
561 | ||
562 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
563 | { | |
564 | QEMUTimer *ts; | |
565 | ||
566 | for(;;) { | |
567 | ts = *ptimer_head; | |
568 | if (ts->expire_time > current_time) | |
569 | break; | |
570 | /* remove timer from the list before calling the callback */ | |
571 | *ptimer_head = ts->next; | |
572 | ts->next = NULL; | |
573 | ||
574 | /* run the callback (the timer list can be modified) */ | |
575 | ts->cb(ts->opaque); | |
576 | } | |
577 | } | |
578 | ||
579 | int64_t qemu_get_clock(QEMUClock *clock) | |
580 | { | |
581 | switch(clock->type) { | |
582 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
583 | #ifdef _WIN32 |
584 | return GetTickCount(); | |
585 | #else | |
8a7ddc38 FB |
586 | /* XXX: portability among Linux hosts */ |
587 | if (timer_freq == 100) { | |
588 | return times(NULL) * 10; | |
589 | } else { | |
590 | return ((int64_t)times(NULL) * 1000) / timer_freq; | |
591 | } | |
67b915a5 | 592 | #endif |
8a7ddc38 FB |
593 | default: |
594 | case QEMU_TIMER_VIRTUAL: | |
595 | return cpu_get_ticks(); | |
596 | } | |
597 | } | |
598 | ||
599 | /* save a timer */ | |
600 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
601 | { | |
602 | uint64_t expire_time; | |
603 | ||
604 | if (qemu_timer_pending(ts)) { | |
605 | expire_time = ts->expire_time; | |
606 | } else { | |
607 | expire_time = -1; | |
608 | } | |
609 | qemu_put_be64(f, expire_time); | |
610 | } | |
611 | ||
612 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
613 | { | |
614 | uint64_t expire_time; | |
615 | ||
616 | expire_time = qemu_get_be64(f); | |
617 | if (expire_time != -1) { | |
618 | qemu_mod_timer(ts, expire_time); | |
619 | } else { | |
620 | qemu_del_timer(ts); | |
621 | } | |
622 | } | |
623 | ||
624 | static void timer_save(QEMUFile *f, void *opaque) | |
625 | { | |
626 | if (cpu_ticks_enabled) { | |
627 | hw_error("cannot save state if virtual timers are running"); | |
628 | } | |
629 | qemu_put_be64s(f, &cpu_ticks_offset); | |
630 | qemu_put_be64s(f, &ticks_per_sec); | |
631 | } | |
632 | ||
633 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
634 | { | |
635 | if (version_id != 1) | |
636 | return -EINVAL; | |
637 | if (cpu_ticks_enabled) { | |
638 | return -EINVAL; | |
639 | } | |
640 | qemu_get_be64s(f, &cpu_ticks_offset); | |
641 | qemu_get_be64s(f, &ticks_per_sec); | |
642 | return 0; | |
643 | } | |
644 | ||
67b915a5 FB |
645 | #ifdef _WIN32 |
646 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
647 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
648 | #else | |
8a7ddc38 | 649 | static void host_alarm_handler(int host_signum) |
67b915a5 | 650 | #endif |
8a7ddc38 FB |
651 | { |
652 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
653 | qemu_get_clock(vm_clock)) || | |
654 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
655 | qemu_get_clock(rt_clock))) { | |
656 | /* stop the cpu because a timer occured */ | |
657 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
658 | } | |
659 | } | |
660 | ||
661 | static void init_timers(void) | |
662 | { | |
8a7ddc38 FB |
663 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
664 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
665 | ||
67b915a5 FB |
666 | #ifdef _WIN32 |
667 | { | |
668 | int count=0; | |
40c3bac3 FB |
669 | timerID = timeSetEvent(10, // interval (ms) |
670 | 0, // resolution | |
671 | host_alarm_handler, // function | |
672 | (DWORD)&count, // user parameter | |
673 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
674 | if( !timerID ) { |
675 | perror("failed timer alarm"); | |
676 | exit(1); | |
677 | } | |
678 | } | |
679 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
680 | #else | |
681 | { | |
682 | struct sigaction act; | |
683 | struct itimerval itv; | |
684 | ||
685 | /* get times() syscall frequency */ | |
686 | timer_freq = sysconf(_SC_CLK_TCK); | |
687 | ||
688 | /* timer signal */ | |
689 | sigfillset(&act.sa_mask); | |
690 | act.sa_flags = 0; | |
8a7ddc38 | 691 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
692 | act.sa_flags |= SA_ONSTACK; |
693 | #endif | |
694 | act.sa_handler = host_alarm_handler; | |
695 | sigaction(SIGALRM, &act, NULL); | |
696 | ||
697 | itv.it_interval.tv_sec = 0; | |
698 | itv.it_interval.tv_usec = 1000; | |
699 | itv.it_value.tv_sec = 0; | |
700 | itv.it_value.tv_usec = 10 * 1000; | |
701 | setitimer(ITIMER_REAL, &itv, NULL); | |
702 | /* we probe the tick duration of the kernel to inform the user if | |
703 | the emulated kernel requested a too high timer frequency */ | |
704 | getitimer(ITIMER_REAL, &itv); | |
705 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / | |
706 | 1000000; | |
707 | } | |
8a7ddc38 | 708 | #endif |
8a7ddc38 FB |
709 | } |
710 | ||
40c3bac3 FB |
711 | void quit_timers(void) |
712 | { | |
713 | #ifdef _WIN32 | |
714 | timeKillEvent(timerID); | |
715 | #endif | |
716 | } | |
717 | ||
c4b1fcc0 FB |
718 | /***********************************************************/ |
719 | /* serial device */ | |
313aa567 | 720 | |
67b915a5 FB |
721 | #ifdef _WIN32 |
722 | ||
723 | int serial_open_device(void) | |
724 | { | |
725 | return -1; | |
726 | } | |
727 | ||
728 | #else | |
729 | ||
c4b1fcc0 | 730 | int serial_open_device(void) |
313aa567 | 731 | { |
c4b1fcc0 FB |
732 | char slave_name[1024]; |
733 | int master_fd, slave_fd; | |
313aa567 | 734 | |
c4b1fcc0 FB |
735 | if (serial_console == NULL && nographic) { |
736 | /* use console for serial port */ | |
737 | return 0; | |
80cabfad | 738 | } else { |
c4b1fcc0 FB |
739 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
740 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
741 | return -1; | |
742 | } | |
743 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
744 | return master_fd; | |
330d0414 | 745 | } |
330d0414 FB |
746 | } |
747 | ||
67b915a5 FB |
748 | #endif |
749 | ||
80cabfad FB |
750 | /***********************************************************/ |
751 | /* Linux network device redirector */ | |
330d0414 | 752 | |
67b915a5 FB |
753 | #ifdef _WIN32 |
754 | ||
755 | static int net_init(void) | |
756 | { | |
757 | return 0; | |
758 | } | |
759 | ||
760 | void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
761 | { | |
762 | } | |
763 | ||
764 | #else | |
765 | ||
c4b1fcc0 | 766 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 767 | { |
80cabfad | 768 | struct ifreq ifr; |
c4b1fcc0 | 769 | int fd, ret; |
80cabfad FB |
770 | |
771 | fd = open("/dev/net/tun", O_RDWR); | |
772 | if (fd < 0) { | |
773 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
774 | return -1; | |
330d0414 | 775 | } |
80cabfad FB |
776 | memset(&ifr, 0, sizeof(ifr)); |
777 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
778 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
779 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
780 | if (ret != 0) { | |
781 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
782 | close(fd); | |
783 | return -1; | |
784 | } | |
785 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 786 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 787 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
788 | return fd; |
789 | } | |
330d0414 | 790 | |
c4b1fcc0 FB |
791 | static int net_init(void) |
792 | { | |
793 | int pid, status, launch_script, i; | |
794 | NetDriverState *nd; | |
795 | char *args[MAX_NICS + 2]; | |
796 | char **parg; | |
797 | ||
798 | launch_script = 0; | |
799 | for(i = 0; i < nb_nics; i++) { | |
800 | nd = &nd_table[i]; | |
801 | if (nd->fd < 0) { | |
802 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); | |
803 | if (nd->fd >= 0) | |
804 | launch_script = 1; | |
80cabfad | 805 | } |
c4b1fcc0 FB |
806 | } |
807 | ||
808 | if (launch_script) { | |
809 | /* try to launch network init script */ | |
810 | pid = fork(); | |
811 | if (pid >= 0) { | |
812 | if (pid == 0) { | |
813 | parg = args; | |
814 | *parg++ = network_script; | |
815 | for(i = 0; i < nb_nics; i++) { | |
816 | nd = &nd_table[i]; | |
817 | if (nd->fd >= 0) { | |
818 | *parg++ = nd->ifname; | |
819 | } | |
820 | } | |
821 | *parg++ = NULL; | |
822 | execv(network_script, args); | |
823 | exit(1); | |
824 | } | |
825 | while (waitpid(pid, &status, 0) != pid); | |
826 | if (!WIFEXITED(status) || | |
827 | WEXITSTATUS(status) != 0) { | |
828 | fprintf(stderr, "%s: could not launch network script\n", | |
829 | network_script); | |
830 | } | |
80cabfad | 831 | } |
330d0414 | 832 | } |
80cabfad | 833 | return 0; |
330d0414 FB |
834 | } |
835 | ||
c4b1fcc0 | 836 | void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
330d0414 | 837 | { |
80cabfad FB |
838 | #ifdef DEBUG_NE2000 |
839 | printf("NE2000: sending packet size=%d\n", size); | |
c45886db | 840 | #endif |
c4b1fcc0 | 841 | write(nd->fd, buf, size); |
80cabfad | 842 | } |
330d0414 | 843 | |
67b915a5 FB |
844 | #endif |
845 | ||
313aa567 FB |
846 | /***********************************************************/ |
847 | /* dumb display */ | |
848 | ||
67b915a5 FB |
849 | #ifdef _WIN32 |
850 | ||
851 | static void term_exit(void) | |
852 | { | |
853 | } | |
854 | ||
855 | static void term_init(void) | |
856 | { | |
857 | } | |
858 | ||
859 | #else | |
860 | ||
313aa567 FB |
861 | /* init terminal so that we can grab keys */ |
862 | static struct termios oldtty; | |
863 | ||
864 | static void term_exit(void) | |
865 | { | |
866 | tcsetattr (0, TCSANOW, &oldtty); | |
867 | } | |
868 | ||
869 | static void term_init(void) | |
870 | { | |
871 | struct termios tty; | |
872 | ||
873 | tcgetattr (0, &tty); | |
874 | oldtty = tty; | |
875 | ||
876 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
877 | |INLCR|IGNCR|ICRNL|IXON); | |
878 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
879 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
880 | /* if graphical mode, we allow Ctrl-C handling */ | |
881 | if (nographic) | |
882 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
883 | tty.c_cflag &= ~(CSIZE|PARENB); |
884 | tty.c_cflag |= CS8; | |
885 | tty.c_cc[VMIN] = 1; | |
886 | tty.c_cc[VTIME] = 0; | |
887 | ||
888 | tcsetattr (0, TCSANOW, &tty); | |
889 | ||
890 | atexit(term_exit); | |
891 | ||
892 | fcntl(0, F_SETFL, O_NONBLOCK); | |
893 | } | |
894 | ||
67b915a5 FB |
895 | #endif |
896 | ||
313aa567 FB |
897 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
898 | { | |
899 | } | |
900 | ||
901 | static void dumb_resize(DisplayState *ds, int w, int h) | |
902 | { | |
903 | } | |
904 | ||
905 | static void dumb_refresh(DisplayState *ds) | |
906 | { | |
907 | vga_update_display(); | |
908 | } | |
909 | ||
910 | void dumb_display_init(DisplayState *ds) | |
911 | { | |
912 | ds->data = NULL; | |
913 | ds->linesize = 0; | |
914 | ds->depth = 0; | |
915 | ds->dpy_update = dumb_update; | |
916 | ds->dpy_resize = dumb_resize; | |
917 | ds->dpy_refresh = dumb_refresh; | |
918 | } | |
919 | ||
3a51dee6 | 920 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 921 | /***********************************************************/ |
0824d6fc FB |
922 | /* cpu signal handler */ |
923 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
924 | void *puc) | |
925 | { | |
926 | if (cpu_signal_handler(host_signum, info, puc)) | |
927 | return; | |
928 | term_exit(); | |
929 | abort(); | |
930 | } | |
3a51dee6 | 931 | #endif |
0824d6fc | 932 | |
8a7ddc38 FB |
933 | /***********************************************************/ |
934 | /* I/O handling */ | |
0824d6fc | 935 | |
c4b1fcc0 FB |
936 | #define MAX_IO_HANDLERS 64 |
937 | ||
938 | typedef struct IOHandlerRecord { | |
939 | int fd; | |
940 | IOCanRWHandler *fd_can_read; | |
941 | IOReadHandler *fd_read; | |
942 | void *opaque; | |
943 | /* temporary data */ | |
944 | struct pollfd *ufd; | |
945 | int max_size; | |
8a7ddc38 | 946 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
947 | } IOHandlerRecord; |
948 | ||
8a7ddc38 | 949 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 950 | |
8a7ddc38 FB |
951 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
952 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
953 | { |
954 | IOHandlerRecord *ioh; | |
955 | ||
8a7ddc38 FB |
956 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
957 | if (!ioh) | |
c4b1fcc0 | 958 | return -1; |
c4b1fcc0 FB |
959 | ioh->fd = fd; |
960 | ioh->fd_can_read = fd_can_read; | |
961 | ioh->fd_read = fd_read; | |
962 | ioh->opaque = opaque; | |
8a7ddc38 FB |
963 | ioh->next = first_io_handler; |
964 | first_io_handler = ioh; | |
c4b1fcc0 FB |
965 | return 0; |
966 | } | |
967 | ||
8a7ddc38 FB |
968 | void qemu_del_fd_read_handler(int fd) |
969 | { | |
970 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 971 | |
8a7ddc38 FB |
972 | pioh = &first_io_handler; |
973 | for(;;) { | |
974 | ioh = *pioh; | |
975 | if (ioh == NULL) | |
976 | break; | |
977 | if (ioh->fd == fd) { | |
978 | *pioh = ioh->next; | |
979 | break; | |
980 | } | |
981 | pioh = &ioh->next; | |
982 | } | |
983 | } | |
984 | ||
985 | /***********************************************************/ | |
986 | /* savevm/loadvm support */ | |
987 | ||
988 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 989 | { |
8a7ddc38 | 990 | fwrite(buf, 1, size, f); |
b4608c04 FB |
991 | } |
992 | ||
8a7ddc38 | 993 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 994 | { |
8a7ddc38 FB |
995 | fputc(v, f); |
996 | } | |
997 | ||
998 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
999 | { | |
1000 | qemu_put_byte(f, v >> 8); | |
1001 | qemu_put_byte(f, v); | |
1002 | } | |
1003 | ||
1004 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1005 | { | |
1006 | qemu_put_byte(f, v >> 24); | |
1007 | qemu_put_byte(f, v >> 16); | |
1008 | qemu_put_byte(f, v >> 8); | |
1009 | qemu_put_byte(f, v); | |
1010 | } | |
1011 | ||
1012 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1013 | { | |
1014 | qemu_put_be32(f, v >> 32); | |
1015 | qemu_put_be32(f, v); | |
1016 | } | |
1017 | ||
1018 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1019 | { | |
1020 | return fread(buf, 1, size, f); | |
1021 | } | |
1022 | ||
1023 | int qemu_get_byte(QEMUFile *f) | |
1024 | { | |
1025 | int v; | |
1026 | v = fgetc(f); | |
1027 | if (v == EOF) | |
1028 | return 0; | |
1029 | else | |
1030 | return v; | |
1031 | } | |
1032 | ||
1033 | unsigned int qemu_get_be16(QEMUFile *f) | |
1034 | { | |
1035 | unsigned int v; | |
1036 | v = qemu_get_byte(f) << 8; | |
1037 | v |= qemu_get_byte(f); | |
1038 | return v; | |
1039 | } | |
1040 | ||
1041 | unsigned int qemu_get_be32(QEMUFile *f) | |
1042 | { | |
1043 | unsigned int v; | |
1044 | v = qemu_get_byte(f) << 24; | |
1045 | v |= qemu_get_byte(f) << 16; | |
1046 | v |= qemu_get_byte(f) << 8; | |
1047 | v |= qemu_get_byte(f); | |
1048 | return v; | |
1049 | } | |
1050 | ||
1051 | uint64_t qemu_get_be64(QEMUFile *f) | |
1052 | { | |
1053 | uint64_t v; | |
1054 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1055 | v |= qemu_get_be32(f); | |
1056 | return v; | |
1057 | } | |
1058 | ||
1059 | int64_t qemu_ftell(QEMUFile *f) | |
1060 | { | |
1061 | return ftell(f); | |
1062 | } | |
1063 | ||
1064 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1065 | { | |
1066 | if (fseek(f, pos, whence) < 0) | |
1067 | return -1; | |
1068 | return ftell(f); | |
1069 | } | |
1070 | ||
1071 | typedef struct SaveStateEntry { | |
1072 | char idstr[256]; | |
1073 | int instance_id; | |
1074 | int version_id; | |
1075 | SaveStateHandler *save_state; | |
1076 | LoadStateHandler *load_state; | |
1077 | void *opaque; | |
1078 | struct SaveStateEntry *next; | |
1079 | } SaveStateEntry; | |
b4608c04 | 1080 | |
8a7ddc38 FB |
1081 | static SaveStateEntry *first_se; |
1082 | ||
1083 | int register_savevm(const char *idstr, | |
1084 | int instance_id, | |
1085 | int version_id, | |
1086 | SaveStateHandler *save_state, | |
1087 | LoadStateHandler *load_state, | |
1088 | void *opaque) | |
1089 | { | |
1090 | SaveStateEntry *se, **pse; | |
1091 | ||
1092 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1093 | if (!se) | |
1094 | return -1; | |
1095 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1096 | se->instance_id = instance_id; | |
1097 | se->version_id = version_id; | |
1098 | se->save_state = save_state; | |
1099 | se->load_state = load_state; | |
1100 | se->opaque = opaque; | |
1101 | se->next = NULL; | |
1102 | ||
1103 | /* add at the end of list */ | |
1104 | pse = &first_se; | |
1105 | while (*pse != NULL) | |
1106 | pse = &(*pse)->next; | |
1107 | *pse = se; | |
1108 | return 0; | |
1109 | } | |
1110 | ||
1111 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1112 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1113 | ||
1114 | int qemu_savevm(const char *filename) | |
1115 | { | |
1116 | SaveStateEntry *se; | |
1117 | QEMUFile *f; | |
1118 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1119 | ||
1120 | saved_vm_running = vm_running; | |
1121 | vm_stop(0); | |
1122 | ||
1123 | f = fopen(filename, "wb"); | |
1124 | if (!f) { | |
1125 | ret = -1; | |
1126 | goto the_end; | |
313aa567 FB |
1127 | } |
1128 | ||
8a7ddc38 FB |
1129 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1130 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1131 | ||
1132 | for(se = first_se; se != NULL; se = se->next) { | |
1133 | /* ID string */ | |
1134 | len = strlen(se->idstr); | |
1135 | qemu_put_byte(f, len); | |
1136 | qemu_put_buffer(f, se->idstr, len); | |
1137 | ||
1138 | qemu_put_be32(f, se->instance_id); | |
1139 | qemu_put_be32(f, se->version_id); | |
1140 | ||
1141 | /* record size: filled later */ | |
1142 | len_pos = ftell(f); | |
1143 | qemu_put_be32(f, 0); | |
1144 | ||
1145 | se->save_state(f, se->opaque); | |
1146 | ||
1147 | /* fill record size */ | |
1148 | cur_pos = ftell(f); | |
1149 | len = ftell(f) - len_pos - 4; | |
1150 | fseek(f, len_pos, SEEK_SET); | |
1151 | qemu_put_be32(f, len); | |
1152 | fseek(f, cur_pos, SEEK_SET); | |
1153 | } | |
1154 | ||
1155 | fclose(f); | |
1156 | ret = 0; | |
1157 | the_end: | |
1158 | if (saved_vm_running) | |
1159 | vm_start(); | |
1160 | return ret; | |
1161 | } | |
1162 | ||
1163 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1164 | { | |
1165 | SaveStateEntry *se; | |
1166 | ||
1167 | for(se = first_se; se != NULL; se = se->next) { | |
1168 | if (!strcmp(se->idstr, idstr) && | |
1169 | instance_id == se->instance_id) | |
1170 | return se; | |
1171 | } | |
1172 | return NULL; | |
1173 | } | |
1174 | ||
1175 | int qemu_loadvm(const char *filename) | |
1176 | { | |
1177 | SaveStateEntry *se; | |
1178 | QEMUFile *f; | |
1179 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1180 | int saved_vm_running; | |
1181 | unsigned int v; | |
1182 | char idstr[256]; | |
1183 | ||
1184 | saved_vm_running = vm_running; | |
1185 | vm_stop(0); | |
1186 | ||
1187 | f = fopen(filename, "rb"); | |
1188 | if (!f) { | |
1189 | ret = -1; | |
1190 | goto the_end; | |
1191 | } | |
1192 | ||
1193 | v = qemu_get_be32(f); | |
1194 | if (v != QEMU_VM_FILE_MAGIC) | |
1195 | goto fail; | |
1196 | v = qemu_get_be32(f); | |
1197 | if (v != QEMU_VM_FILE_VERSION) { | |
1198 | fail: | |
1199 | fclose(f); | |
1200 | ret = -1; | |
1201 | goto the_end; | |
1202 | } | |
b4608c04 | 1203 | for(;;) { |
8a7ddc38 FB |
1204 | len = qemu_get_byte(f); |
1205 | if (feof(f)) | |
cd4c3e88 | 1206 | break; |
8a7ddc38 FB |
1207 | qemu_get_buffer(f, idstr, len); |
1208 | idstr[len] = '\0'; | |
1209 | instance_id = qemu_get_be32(f); | |
1210 | version_id = qemu_get_be32(f); | |
1211 | record_len = qemu_get_be32(f); | |
1212 | #if 0 | |
1213 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1214 | idstr, instance_id, version_id, record_len); | |
1215 | #endif | |
1216 | cur_pos = ftell(f); | |
1217 | se = find_se(idstr, instance_id); | |
1218 | if (!se) { | |
1219 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1220 | instance_id, idstr); | |
1221 | } else { | |
1222 | ret = se->load_state(f, se->opaque, version_id); | |
1223 | if (ret < 0) { | |
1224 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1225 | instance_id, idstr); | |
1226 | } | |
34865134 | 1227 | } |
8a7ddc38 FB |
1228 | /* always seek to exact end of record */ |
1229 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1230 | } | |
1231 | fclose(f); | |
1232 | ret = 0; | |
1233 | the_end: | |
1234 | if (saved_vm_running) | |
1235 | vm_start(); | |
1236 | return ret; | |
1237 | } | |
1238 | ||
1239 | /***********************************************************/ | |
1240 | /* cpu save/restore */ | |
1241 | ||
1242 | #if defined(TARGET_I386) | |
1243 | ||
1244 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1245 | { | |
1246 | qemu_put_be32(f, (uint32_t)dt->base); | |
1247 | qemu_put_be32(f, dt->limit); | |
1248 | qemu_put_be32(f, dt->flags); | |
1249 | } | |
1250 | ||
1251 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1252 | { | |
1253 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1254 | dt->limit = qemu_get_be32(f); | |
1255 | dt->flags = qemu_get_be32(f); | |
1256 | } | |
1257 | ||
1258 | void cpu_save(QEMUFile *f, void *opaque) | |
1259 | { | |
1260 | CPUState *env = opaque; | |
1261 | uint16_t fptag, fpus, fpuc; | |
1262 | uint32_t hflags; | |
1263 | int i; | |
1264 | ||
1265 | for(i = 0; i < 8; i++) | |
1266 | qemu_put_be32s(f, &env->regs[i]); | |
1267 | qemu_put_be32s(f, &env->eip); | |
1268 | qemu_put_be32s(f, &env->eflags); | |
1269 | qemu_put_be32s(f, &env->eflags); | |
1270 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1271 | qemu_put_be32s(f, &hflags); | |
1272 | ||
1273 | /* FPU */ | |
1274 | fpuc = env->fpuc; | |
1275 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1276 | fptag = 0; | |
1277 | for (i=7; i>=0; i--) { | |
1278 | fptag <<= 2; | |
1279 | if (env->fptags[i]) { | |
1280 | fptag |= 3; | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | qemu_put_be16s(f, &fpuc); | |
1285 | qemu_put_be16s(f, &fpus); | |
1286 | qemu_put_be16s(f, &fptag); | |
1287 | ||
1288 | for(i = 0; i < 8; i++) { | |
1289 | uint64_t mant; | |
1290 | uint16_t exp; | |
1291 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1292 | qemu_put_be64(f, mant); | |
1293 | qemu_put_be16(f, exp); | |
1294 | } | |
1295 | ||
1296 | for(i = 0; i < 6; i++) | |
1297 | cpu_put_seg(f, &env->segs[i]); | |
1298 | cpu_put_seg(f, &env->ldt); | |
1299 | cpu_put_seg(f, &env->tr); | |
1300 | cpu_put_seg(f, &env->gdt); | |
1301 | cpu_put_seg(f, &env->idt); | |
1302 | ||
1303 | qemu_put_be32s(f, &env->sysenter_cs); | |
1304 | qemu_put_be32s(f, &env->sysenter_esp); | |
1305 | qemu_put_be32s(f, &env->sysenter_eip); | |
1306 | ||
1307 | qemu_put_be32s(f, &env->cr[0]); | |
1308 | qemu_put_be32s(f, &env->cr[2]); | |
1309 | qemu_put_be32s(f, &env->cr[3]); | |
1310 | qemu_put_be32s(f, &env->cr[4]); | |
1311 | ||
1312 | for(i = 0; i < 8; i++) | |
1313 | qemu_put_be32s(f, &env->dr[i]); | |
1314 | ||
1315 | /* MMU */ | |
1316 | qemu_put_be32s(f, &env->a20_mask); | |
1317 | } | |
1318 | ||
1319 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1320 | { | |
1321 | CPUState *env = opaque; | |
1322 | int i; | |
1323 | uint32_t hflags; | |
1324 | uint16_t fpus, fpuc, fptag; | |
1325 | ||
1326 | if (version_id != 1) | |
1327 | return -EINVAL; | |
1328 | for(i = 0; i < 8; i++) | |
1329 | qemu_get_be32s(f, &env->regs[i]); | |
1330 | qemu_get_be32s(f, &env->eip); | |
1331 | qemu_get_be32s(f, &env->eflags); | |
1332 | qemu_get_be32s(f, &env->eflags); | |
1333 | qemu_get_be32s(f, &hflags); | |
1334 | ||
1335 | qemu_get_be16s(f, &fpuc); | |
1336 | qemu_get_be16s(f, &fpus); | |
1337 | qemu_get_be16s(f, &fptag); | |
1338 | ||
1339 | for(i = 0; i < 8; i++) { | |
1340 | uint64_t mant; | |
1341 | uint16_t exp; | |
1342 | mant = qemu_get_be64(f); | |
1343 | exp = qemu_get_be16(f); | |
1344 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1345 | } | |
1346 | ||
1347 | env->fpuc = fpuc; | |
1348 | env->fpstt = (fpus >> 11) & 7; | |
1349 | env->fpus = fpus & ~0x3800; | |
1350 | for(i = 0; i < 8; i++) { | |
1351 | env->fptags[i] = ((fptag & 3) == 3); | |
1352 | fptag >>= 2; | |
1353 | } | |
1354 | ||
1355 | for(i = 0; i < 6; i++) | |
1356 | cpu_get_seg(f, &env->segs[i]); | |
1357 | cpu_get_seg(f, &env->ldt); | |
1358 | cpu_get_seg(f, &env->tr); | |
1359 | cpu_get_seg(f, &env->gdt); | |
1360 | cpu_get_seg(f, &env->idt); | |
1361 | ||
1362 | qemu_get_be32s(f, &env->sysenter_cs); | |
1363 | qemu_get_be32s(f, &env->sysenter_esp); | |
1364 | qemu_get_be32s(f, &env->sysenter_eip); | |
1365 | ||
1366 | qemu_get_be32s(f, &env->cr[0]); | |
1367 | qemu_get_be32s(f, &env->cr[2]); | |
1368 | qemu_get_be32s(f, &env->cr[3]); | |
1369 | qemu_get_be32s(f, &env->cr[4]); | |
1370 | ||
1371 | for(i = 0; i < 8; i++) | |
1372 | qemu_get_be32s(f, &env->dr[i]); | |
1373 | ||
1374 | /* MMU */ | |
1375 | qemu_get_be32s(f, &env->a20_mask); | |
1376 | ||
1377 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1378 | env->hflags = hflags; | |
1379 | tlb_flush(env, 1); | |
1380 | return 0; | |
1381 | } | |
1382 | ||
1383 | #else | |
1384 | ||
1385 | #warning No CPU save/restore functions | |
1386 | ||
1387 | #endif | |
1388 | ||
1389 | /***********************************************************/ | |
1390 | /* ram save/restore */ | |
1391 | ||
1392 | /* we just avoid storing empty pages */ | |
1393 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1394 | { | |
1395 | int i, v; | |
1396 | ||
1397 | v = buf[0]; | |
1398 | for(i = 1; i < len; i++) { | |
1399 | if (buf[i] != v) | |
1400 | goto normal_save; | |
1401 | } | |
1402 | qemu_put_byte(f, 1); | |
1403 | qemu_put_byte(f, v); | |
1404 | return; | |
1405 | normal_save: | |
1406 | qemu_put_byte(f, 0); | |
1407 | qemu_put_buffer(f, buf, len); | |
1408 | } | |
1409 | ||
1410 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1411 | { | |
1412 | int v; | |
1413 | ||
1414 | v = qemu_get_byte(f); | |
1415 | switch(v) { | |
1416 | case 0: | |
1417 | if (qemu_get_buffer(f, buf, len) != len) | |
1418 | return -EIO; | |
1419 | break; | |
1420 | case 1: | |
1421 | v = qemu_get_byte(f); | |
1422 | memset(buf, v, len); | |
1423 | break; | |
1424 | default: | |
1425 | return -EINVAL; | |
1426 | } | |
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | static void ram_save(QEMUFile *f, void *opaque) | |
1431 | { | |
1432 | int i; | |
1433 | qemu_put_be32(f, phys_ram_size); | |
1434 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1435 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1436 | } | |
1437 | } | |
1438 | ||
1439 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1440 | { | |
1441 | int i, ret; | |
1442 | ||
1443 | if (version_id != 1) | |
1444 | return -EINVAL; | |
1445 | if (qemu_get_be32(f) != phys_ram_size) | |
1446 | return -EINVAL; | |
1447 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1448 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1449 | if (ret) | |
1450 | return ret; | |
1451 | } | |
1452 | return 0; | |
1453 | } | |
1454 | ||
1455 | /***********************************************************/ | |
1456 | /* main execution loop */ | |
1457 | ||
1458 | void gui_update(void *opaque) | |
1459 | { | |
1460 | display_state.dpy_refresh(&display_state); | |
1461 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1462 | } | |
1463 | ||
1464 | /* XXX: support several handlers */ | |
1465 | VMStopHandler *vm_stop_cb; | |
1466 | VMStopHandler *vm_stop_opaque; | |
1467 | ||
1468 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1469 | { | |
1470 | vm_stop_cb = cb; | |
1471 | vm_stop_opaque = opaque; | |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1476 | { | |
1477 | vm_stop_cb = NULL; | |
1478 | } | |
1479 | ||
1480 | void vm_start(void) | |
1481 | { | |
1482 | if (!vm_running) { | |
1483 | cpu_enable_ticks(); | |
1484 | vm_running = 1; | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | void vm_stop(int reason) | |
1489 | { | |
1490 | if (vm_running) { | |
1491 | cpu_disable_ticks(); | |
1492 | vm_running = 0; | |
1493 | if (reason != 0) { | |
1494 | if (vm_stop_cb) { | |
1495 | vm_stop_cb(vm_stop_opaque, reason); | |
1496 | } | |
34865134 | 1497 | } |
8a7ddc38 FB |
1498 | } |
1499 | } | |
1500 | ||
1501 | int main_loop(void) | |
1502 | { | |
67b915a5 | 1503 | #ifndef _WIN32 |
8a7ddc38 | 1504 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1505 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1506 | uint8_t buf[4096]; |
1507 | int n, max_size; | |
1508 | #endif | |
1509 | int ret, timeout; | |
8a7ddc38 FB |
1510 | CPUState *env = global_env; |
1511 | ||
1512 | for(;;) { | |
1513 | if (vm_running) { | |
1514 | ret = cpu_exec(env); | |
1515 | if (reset_requested) { | |
1516 | ret = EXCP_INTERRUPT; | |
1517 | break; | |
1518 | } | |
1519 | if (ret == EXCP_DEBUG) { | |
1520 | vm_stop(EXCP_DEBUG); | |
1521 | } | |
1522 | /* if hlt instruction, we wait until the next IRQ */ | |
1523 | /* XXX: use timeout computed from timers */ | |
1524 | if (ret == EXCP_HLT) | |
1525 | timeout = 10; | |
1526 | else | |
1527 | timeout = 0; | |
1528 | } else { | |
b4608c04 | 1529 | timeout = 10; |
8a7ddc38 | 1530 | } |
c4b1fcc0 | 1531 | |
67b915a5 | 1532 | #ifndef _WIN32 |
b4608c04 | 1533 | /* poll any events */ |
8a7ddc38 | 1534 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1535 | pf = ufds; |
8a7ddc38 FB |
1536 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1537 | if (!ioh->fd_can_read) { | |
1538 | max_size = 0; | |
c4b1fcc0 FB |
1539 | pf->fd = ioh->fd; |
1540 | pf->events = POLLIN; | |
1541 | ioh->ufd = pf; | |
1542 | pf++; | |
1543 | } else { | |
8a7ddc38 FB |
1544 | max_size = ioh->fd_can_read(ioh->opaque); |
1545 | if (max_size > 0) { | |
1546 | if (max_size > sizeof(buf)) | |
1547 | max_size = sizeof(buf); | |
1548 | pf->fd = ioh->fd; | |
1549 | pf->events = POLLIN; | |
1550 | ioh->ufd = pf; | |
1551 | pf++; | |
1552 | } else { | |
1553 | ioh->ufd = NULL; | |
1554 | } | |
c4b1fcc0 FB |
1555 | } |
1556 | ioh->max_size = max_size; | |
b4608c04 | 1557 | } |
73332e5c | 1558 | |
b4608c04 FB |
1559 | ret = poll(ufds, pf - ufds, timeout); |
1560 | if (ret > 0) { | |
8a7ddc38 FB |
1561 | /* XXX: better handling of removal */ |
1562 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1563 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1564 | pf = ioh->ufd; |
1565 | if (pf) { | |
8a7ddc38 FB |
1566 | if (pf->revents & POLLIN) { |
1567 | if (ioh->max_size == 0) { | |
1568 | /* just a read event */ | |
1569 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1570 | } else { | |
1571 | n = read(ioh->fd, buf, ioh->max_size); | |
1572 | if (n >= 0) { | |
1573 | ioh->fd_read(ioh->opaque, buf, n); | |
1574 | } else if (errno != -EAGAIN) { | |
1575 | ioh->fd_read(ioh->opaque, NULL, -errno); | |
1576 | } | |
1577 | } | |
b4608c04 | 1578 | } |
b4608c04 | 1579 | } |
b4608c04 FB |
1580 | } |
1581 | } | |
67b915a5 | 1582 | #endif |
b4608c04 | 1583 | |
8a7ddc38 FB |
1584 | if (vm_running) { |
1585 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1586 | qemu_get_clock(vm_clock)); | |
1587 | ||
1588 | /* XXX: add explicit timer */ | |
1589 | SB16_run(); | |
1590 | ||
1591 | /* run dma transfers, if any */ | |
1592 | DMA_run(); | |
b4608c04 | 1593 | } |
313aa567 | 1594 | |
8a7ddc38 FB |
1595 | /* real time timers */ |
1596 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1597 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1598 | } |
34865134 FB |
1599 | cpu_disable_ticks(); |
1600 | return ret; | |
b4608c04 FB |
1601 | } |
1602 | ||
0824d6fc FB |
1603 | void help(void) |
1604 | { | |
a20dd508 | 1605 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n" |
0db63474 | 1606 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1607 | "\n" |
a20dd508 | 1608 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1609 | "\n" |
a20dd508 | 1610 | "Standard options:\n" |
c45886db | 1611 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1612 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1613 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1614 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1615 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 FB |
1616 | "-snapshot write to temporary files instead of disk image files\n" |
1617 | "-m megs set virtual RAM size to megs MB\n" | |
c4b1fcc0 FB |
1618 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
1619 | "\n" | |
1620 | "Network options:\n" | |
a20dd508 | 1621 | "-n script set network init script [default=%s]\n" |
c4b1fcc0 | 1622 | "-nics n simulate 'n' network interfaces [default=1]\n" |
702c651c | 1623 | "-macaddr addr set the mac address of the first interface\n" |
c4b1fcc0 | 1624 | "-tun-fd fd0[,...] use these fds as already opened tap/tun interfaces\n" |
a20dd508 | 1625 | "\n" |
c4b1fcc0 | 1626 | "Linux boot specific:\n" |
a20dd508 FB |
1627 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1628 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1629 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1630 | "\n" |
330d0414 | 1631 | "Debug/Expert options:\n" |
a20dd508 FB |
1632 | "-s wait gdb connection to port %d\n" |
1633 | "-p port change gdb connection port\n" | |
f193c797 | 1634 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1635 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1636 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1637 | #ifdef USE_CODE_COPY |
1638 | "-no-code-copy disable code copy acceleration\n" | |
1639 | #endif | |
1640 | ||
0824d6fc | 1641 | "\n" |
f1510b2c | 1642 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1643 | #ifdef CONFIG_SOFTMMU |
1644 | "qemu", | |
1645 | #else | |
1646 | "qemu-fast", | |
1647 | #endif | |
1648 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
1649 | DEFAULT_GDBSTUB_PORT, |
1650 | "/tmp/qemu.log"); | |
0824d6fc | 1651 | term_print_help(); |
0db63474 FB |
1652 | #ifndef CONFIG_SOFTMMU |
1653 | printf("\n" | |
1654 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
1655 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
1656 | "PC emulation.\n"); | |
1657 | #endif | |
0824d6fc FB |
1658 | exit(1); |
1659 | } | |
1660 | ||
fc01f7e7 FB |
1661 | struct option long_options[] = { |
1662 | { "initrd", 1, NULL, 0, }, | |
1663 | { "hda", 1, NULL, 0, }, | |
1664 | { "hdb", 1, NULL, 0, }, | |
33e3963e | 1665 | { "snapshot", 0, NULL, 0, }, |
330d0414 | 1666 | { "hdachs", 1, NULL, 0, }, |
a20dd508 FB |
1667 | { "nographic", 0, NULL, 0, }, |
1668 | { "kernel", 1, NULL, 0, }, | |
1669 | { "append", 1, NULL, 0, }, | |
42f1e0e4 | 1670 | { "tun-fd", 1, NULL, 0, }, |
36b486bb FB |
1671 | { "hdc", 1, NULL, 0, }, |
1672 | { "hdd", 1, NULL, 0, }, | |
1673 | { "cdrom", 1, NULL, 0, }, | |
1674 | { "boot", 1, NULL, 0, }, | |
c45886db FB |
1675 | { "fda", 1, NULL, 0, }, |
1676 | { "fdb", 1, NULL, 0, }, | |
c4b1fcc0 FB |
1677 | { "no-code-copy", 0, NULL, 0 }, |
1678 | { "nics", 1, NULL, 0 }, | |
702c651c | 1679 | { "macaddr", 1, NULL, 0 }, |
fc01f7e7 FB |
1680 | { NULL, 0, NULL, 0 }, |
1681 | }; | |
1682 | ||
77fef8c1 FB |
1683 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
1684 | ||
1685 | /* this stack is only used during signal handling */ | |
1686 | #define SIGNAL_STACK_SIZE 32768 | |
1687 | ||
1688 | static uint8_t *signal_stack; | |
1689 | ||
1690 | #endif | |
1691 | ||
0824d6fc FB |
1692 | int main(int argc, char **argv) |
1693 | { | |
67b915a5 FB |
1694 | #ifdef CONFIG_GDBSTUB |
1695 | int use_gdbstub, gdbstub_port; | |
1696 | #endif | |
1697 | int c, i, long_index, has_cdrom; | |
1ccde1cb | 1698 | int snapshot, linux_boot; |
c45886db | 1699 | CPUState *env; |
7f7f9873 | 1700 | const char *initrd_filename; |
c45886db | 1701 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 1702 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 1703 | DisplayState *ds = &display_state; |
c4b1fcc0 | 1704 | int cyls, heads, secs; |
702c651c | 1705 | uint8_t macaddr[6]; |
313aa567 | 1706 | |
67b915a5 | 1707 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
1708 | /* we never want that malloc() uses mmap() */ |
1709 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 1710 | #endif |
fc01f7e7 | 1711 | initrd_filename = NULL; |
c45886db FB |
1712 | for(i = 0; i < MAX_FD; i++) |
1713 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
1714 | for(i = 0; i < MAX_DISKS; i++) |
1715 | hd_filename[i] = NULL; | |
1ccde1cb | 1716 | ram_size = 32 * 1024 * 1024; |
313aa567 | 1717 | vga_ram_size = VGA_RAM_SIZE; |
f1510b2c | 1718 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 1719 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
1720 | use_gdbstub = 0; |
1721 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 1722 | #endif |
33e3963e | 1723 | snapshot = 0; |
a20dd508 FB |
1724 | nographic = 0; |
1725 | kernel_filename = NULL; | |
1726 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
1727 | has_cdrom = 1; |
1728 | cyls = heads = secs = 0; | |
1729 | ||
1730 | nb_nics = 1; | |
702c651c FB |
1731 | /* default mac address of the first network interface */ |
1732 | macaddr[0] = 0x52; | |
1733 | macaddr[1] = 0x54; | |
1734 | macaddr[2] = 0x00; | |
1735 | macaddr[3] = 0x12; | |
1736 | macaddr[4] = 0x34; | |
1737 | macaddr[5] = 0x56; | |
c4b1fcc0 | 1738 | |
0f2f1121 FB |
1739 | for(i = 0; i < MAX_NICS; i++) |
1740 | nd_table[i].fd = -1; | |
1741 | ||
0824d6fc | 1742 | for(;;) { |
f193c797 | 1743 | c = getopt_long_only(argc, argv, "hm:d:n:sp:L:", long_options, &long_index); |
0824d6fc FB |
1744 | if (c == -1) |
1745 | break; | |
1746 | switch(c) { | |
fc01f7e7 FB |
1747 | case 0: |
1748 | switch(long_index) { | |
1749 | case 0: | |
1750 | initrd_filename = optarg; | |
1751 | break; | |
1752 | case 1: | |
1753 | hd_filename[0] = optarg; | |
1754 | break; | |
1755 | case 2: | |
1756 | hd_filename[1] = optarg; | |
1757 | break; | |
33e3963e FB |
1758 | case 3: |
1759 | snapshot = 1; | |
1760 | break; | |
330d0414 FB |
1761 | case 4: |
1762 | { | |
330d0414 FB |
1763 | const char *p; |
1764 | p = optarg; | |
1765 | cyls = strtol(p, (char **)&p, 0); | |
1766 | if (*p != ',') | |
1767 | goto chs_fail; | |
1768 | p++; | |
1769 | heads = strtol(p, (char **)&p, 0); | |
1770 | if (*p != ',') | |
1771 | goto chs_fail; | |
1772 | p++; | |
1773 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
1774 | if (*p != '\0') { |
1775 | chs_fail: | |
1776 | cyls = 0; | |
1777 | } | |
330d0414 FB |
1778 | } |
1779 | break; | |
313aa567 | 1780 | case 5: |
a20dd508 FB |
1781 | nographic = 1; |
1782 | break; | |
1783 | case 6: | |
1784 | kernel_filename = optarg; | |
1785 | break; | |
1786 | case 7: | |
1787 | kernel_cmdline = optarg; | |
313aa567 | 1788 | break; |
42f1e0e4 | 1789 | case 8: |
c4b1fcc0 FB |
1790 | { |
1791 | const char *p; | |
1792 | int fd; | |
1793 | p = optarg; | |
1794 | nb_nics = 0; | |
1795 | for(;;) { | |
1796 | fd = strtol(p, (char **)&p, 0); | |
1797 | nd_table[nb_nics].fd = fd; | |
1798 | snprintf(nd_table[nb_nics].ifname, | |
1799 | sizeof(nd_table[nb_nics].ifname), | |
1800 | "fd%d", nb_nics); | |
1801 | nb_nics++; | |
1802 | if (*p == ',') { | |
1803 | p++; | |
1804 | } else if (*p != '\0') { | |
1805 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_nics); | |
1806 | exit(1); | |
4e463d8d FB |
1807 | } else { |
1808 | break; | |
c4b1fcc0 FB |
1809 | } |
1810 | } | |
1811 | } | |
42f1e0e4 | 1812 | break; |
36b486bb FB |
1813 | case 9: |
1814 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1815 | has_cdrom = 0; |
36b486bb FB |
1816 | break; |
1817 | case 10: | |
1818 | hd_filename[3] = optarg; | |
1819 | break; | |
1820 | case 11: | |
1821 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1822 | has_cdrom = 1; |
36b486bb FB |
1823 | break; |
1824 | case 12: | |
1825 | boot_device = optarg[0]; | |
c45886db FB |
1826 | if (boot_device != 'a' && boot_device != 'b' && |
1827 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
1828 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
1829 | exit(1); | |
1830 | } | |
1831 | break; | |
c45886db FB |
1832 | case 13: |
1833 | fd_filename[0] = optarg; | |
1834 | break; | |
1835 | case 14: | |
1836 | fd_filename[1] = optarg; | |
1837 | break; | |
77fef8c1 FB |
1838 | case 15: |
1839 | code_copy_enabled = 0; | |
1840 | break; | |
c4b1fcc0 FB |
1841 | case 16: |
1842 | nb_nics = atoi(optarg); | |
1843 | if (nb_nics < 1 || nb_nics > MAX_NICS) { | |
1844 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); | |
1845 | exit(1); | |
1846 | } | |
1847 | break; | |
702c651c FB |
1848 | case 17: |
1849 | { | |
1850 | const char *p; | |
1851 | int i; | |
1852 | p = optarg; | |
1853 | for(i = 0; i < 6; i++) { | |
1854 | macaddr[i] = strtol(p, (char **)&p, 16); | |
1855 | if (i == 5) { | |
1856 | if (*p != '\0') | |
1857 | goto macaddr_error; | |
1858 | } else { | |
1859 | if (*p != ':') { | |
1860 | macaddr_error: | |
1861 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
1862 | exit(1); | |
1863 | } | |
1864 | p++; | |
1865 | } | |
1866 | } | |
1867 | } | |
1868 | break; | |
fc01f7e7 FB |
1869 | } |
1870 | break; | |
0824d6fc FB |
1871 | case 'h': |
1872 | help(); | |
1873 | break; | |
1874 | case 'm': | |
1ccde1cb FB |
1875 | ram_size = atoi(optarg) * 1024 * 1024; |
1876 | if (ram_size <= 0) | |
0824d6fc | 1877 | help(); |
1ccde1cb | 1878 | if (ram_size > PHYS_RAM_MAX_SIZE) { |
36b486bb | 1879 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", |
7916e224 FB |
1880 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
1881 | exit(1); | |
1882 | } | |
0824d6fc FB |
1883 | break; |
1884 | case 'd': | |
f193c797 FB |
1885 | { |
1886 | int mask; | |
1887 | CPULogItem *item; | |
1888 | ||
1889 | mask = cpu_str_to_log_mask(optarg); | |
1890 | if (!mask) { | |
1891 | printf("Log items (comma separated):\n"); | |
1892 | for(item = cpu_log_items; item->mask != 0; item++) { | |
1893 | printf("%-10s %s\n", item->name, item->help); | |
1894 | } | |
1895 | exit(1); | |
1896 | } | |
1897 | cpu_set_log(mask); | |
1898 | } | |
0824d6fc | 1899 | break; |
f1510b2c FB |
1900 | case 'n': |
1901 | pstrcpy(network_script, sizeof(network_script), optarg); | |
1902 | break; | |
67b915a5 | 1903 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
1904 | case 's': |
1905 | use_gdbstub = 1; | |
1906 | break; | |
1907 | case 'p': | |
1908 | gdbstub_port = atoi(optarg); | |
1909 | break; | |
67b915a5 | 1910 | #endif |
330d0414 | 1911 | case 'L': |
5a67135a | 1912 | bios_dir = optarg; |
330d0414 | 1913 | break; |
0824d6fc FB |
1914 | } |
1915 | } | |
330d0414 | 1916 | |
a20dd508 FB |
1917 | if (optind < argc) { |
1918 | hd_filename[0] = argv[optind++]; | |
1919 | } | |
1920 | ||
1921 | linux_boot = (kernel_filename != NULL); | |
330d0414 | 1922 | |
c45886db FB |
1923 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
1924 | fd_filename[0] == '\0') | |
0824d6fc | 1925 | help(); |
8f2b1fb0 FB |
1926 | |
1927 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
1928 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
1929 | if (fd_filename[0] != '\0') | |
1930 | boot_device = 'a'; | |
1931 | else | |
1932 | boot_device = 'd'; | |
1933 | } | |
0824d6fc | 1934 | |
dc887a4d FB |
1935 | #if !defined(CONFIG_SOFTMMU) |
1936 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
1937 | { | |
1938 | static uint8_t stdout_buf[4096]; | |
1939 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
1940 | } | |
1941 | #else | |
b118d61e | 1942 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 1943 | #endif |
0824d6fc | 1944 | |
c4b1fcc0 | 1945 | /* init host network redirectors */ |
702c651c FB |
1946 | for(i = 0; i < MAX_NICS; i++) { |
1947 | NetDriverState *nd = &nd_table[i]; | |
702c651c FB |
1948 | /* init virtual mac address */ |
1949 | nd->macaddr[0] = macaddr[0]; | |
1950 | nd->macaddr[1] = macaddr[1]; | |
1951 | nd->macaddr[2] = macaddr[2]; | |
1952 | nd->macaddr[3] = macaddr[3]; | |
1953 | nd->macaddr[4] = macaddr[4]; | |
1954 | nd->macaddr[5] = macaddr[5] + i; | |
1955 | } | |
c4b1fcc0 | 1956 | net_init(); |
f1510b2c | 1957 | |
0824d6fc | 1958 | /* init the memory */ |
1ccde1cb | 1959 | phys_ram_size = ram_size + vga_ram_size; |
7f7f9873 FB |
1960 | |
1961 | #ifdef CONFIG_SOFTMMU | |
1ccde1cb | 1962 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7f7f9873 FB |
1963 | if (!phys_ram_base) { |
1964 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
1965 | exit(1); |
1966 | } | |
7f7f9873 FB |
1967 | #else |
1968 | /* as we must map the same page at several addresses, we must use | |
1969 | a fd */ | |
1970 | { | |
1971 | const char *tmpdir; | |
1972 | ||
1973 | tmpdir = getenv("QEMU_TMPDIR"); | |
1974 | if (!tmpdir) | |
1975 | tmpdir = "/tmp"; | |
1976 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
1977 | if (mkstemp(phys_ram_file) < 0) { | |
1978 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
1979 | phys_ram_file); | |
1980 | exit(1); | |
1981 | } | |
1982 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
1983 | if (phys_ram_fd < 0) { | |
1984 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
1985 | phys_ram_file); | |
1986 | exit(1); | |
1987 | } | |
1ccde1cb | 1988 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 1989 | unlink(phys_ram_file); |
1ccde1cb FB |
1990 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
1991 | phys_ram_size, | |
7f7f9873 FB |
1992 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
1993 | phys_ram_fd, 0); | |
1994 | if (phys_ram_base == MAP_FAILED) { | |
1995 | fprintf(stderr, "Could not map physical memory\n"); | |
1996 | exit(1); | |
1997 | } | |
1998 | } | |
1999 | #endif | |
0824d6fc | 2000 | |
c4b1fcc0 FB |
2001 | /* we always create the cdrom drive, even if no disk is there */ |
2002 | if (has_cdrom) { | |
2003 | bs_table[2] = bdrv_new("cdrom"); | |
2004 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2005 | } | |
2006 | ||
33e3963e FB |
2007 | /* open the virtual block devices */ |
2008 | for(i = 0; i < MAX_DISKS; i++) { | |
2009 | if (hd_filename[i]) { | |
33e3963e | 2010 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2011 | char buf[64]; |
2012 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2013 | bs_table[i] = bdrv_new(buf); | |
2014 | } | |
2015 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2016 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2017 | hd_filename[i]); |
2018 | exit(1); | |
2019 | } | |
c4b1fcc0 FB |
2020 | if (i == 0 && cyls != 0) |
2021 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2022 | } | |
2023 | } | |
2024 | ||
2025 | /* we always create at least one floppy disk */ | |
2026 | fd_table[0] = bdrv_new("fda"); | |
2027 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2028 | ||
2029 | for(i = 0; i < MAX_FD; i++) { | |
2030 | if (fd_filename[i]) { | |
2031 | if (!fd_table[i]) { | |
2032 | char buf[64]; | |
2033 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2034 | fd_table[i] = bdrv_new(buf); | |
2035 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2036 | } | |
2037 | if (fd_filename[i] != '\0') { | |
2038 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
2039 | fprintf(stderr, "qemu: could not open floppy disk image '%s\n", | |
2040 | fd_filename[i]); | |
2041 | exit(1); | |
2042 | } | |
2043 | } | |
33e3963e FB |
2044 | } |
2045 | } | |
2046 | ||
330d0414 FB |
2047 | /* init CPU state */ |
2048 | env = cpu_init(); | |
2049 | global_env = env; | |
2050 | cpu_single_env = env; | |
2051 | ||
8a7ddc38 FB |
2052 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2053 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
2054 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
2055 | ||
330d0414 | 2056 | init_ioports(); |
80cabfad | 2057 | cpu_calibrate_ticks(); |
0824d6fc | 2058 | |
313aa567 | 2059 | /* terminal init */ |
a20dd508 | 2060 | if (nographic) { |
313aa567 FB |
2061 | dumb_display_init(ds); |
2062 | } else { | |
2063 | #ifdef CONFIG_SDL | |
2064 | sdl_display_init(ds); | |
313aa567 FB |
2065 | #else |
2066 | dumb_display_init(ds); | |
2067 | #endif | |
2068 | } | |
0824d6fc | 2069 | |
0824d6fc | 2070 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2071 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2072 | |
77fef8c1 FB |
2073 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2074 | { | |
2075 | stack_t stk; | |
73332e5c | 2076 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2077 | stk.ss_sp = signal_stack; |
2078 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2079 | stk.ss_flags = 0; | |
2080 | ||
2081 | if (sigaltstack(&stk, NULL) < 0) { | |
2082 | perror("sigaltstack"); | |
2083 | exit(1); | |
2084 | } | |
2085 | } | |
2086 | #endif | |
8a7ddc38 FB |
2087 | { |
2088 | struct sigaction act; | |
77fef8c1 | 2089 | |
8a7ddc38 FB |
2090 | sigfillset(&act.sa_mask); |
2091 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2092 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2093 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2094 | #endif |
8a7ddc38 FB |
2095 | act.sa_sigaction = host_segv_handler; |
2096 | sigaction(SIGSEGV, &act, NULL); | |
2097 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2098 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2099 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2100 | #endif |
8a7ddc38 | 2101 | } |
3a51dee6 | 2102 | #endif |
0824d6fc | 2103 | |
67b915a5 | 2104 | #ifndef _WIN32 |
8a7ddc38 FB |
2105 | { |
2106 | struct sigaction act; | |
2107 | sigfillset(&act.sa_mask); | |
2108 | act.sa_flags = 0; | |
2109 | act.sa_handler = SIG_IGN; | |
2110 | sigaction(SIGPIPE, &act, NULL); | |
2111 | } | |
67b915a5 | 2112 | #endif |
73332e5c FB |
2113 | init_timers(); |
2114 | ||
2115 | #if defined(TARGET_I386) | |
2116 | pc_init(ram_size, vga_ram_size, boot_device, | |
2117 | ds, fd_filename, snapshot, | |
2118 | kernel_filename, kernel_cmdline, initrd_filename); | |
2119 | #elif defined(TARGET_PPC) | |
2120 | ppc_init(); | |
2121 | #endif | |
2122 | ||
2123 | /* launched after the device init so that it can display or not a | |
2124 | banner */ | |
2125 | monitor_init(); | |
0824d6fc | 2126 | |
8a7ddc38 FB |
2127 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2128 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2129 | |
67b915a5 | 2130 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2131 | if (use_gdbstub) { |
8a7ddc38 FB |
2132 | if (gdbserver_start(gdbstub_port) < 0) { |
2133 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2134 | gdbstub_port); | |
2135 | exit(1); | |
2136 | } else { | |
2137 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2138 | } | |
67b915a5 FB |
2139 | } else |
2140 | #endif | |
2141 | { | |
8a7ddc38 | 2142 | vm_start(); |
0824d6fc | 2143 | } |
8a7ddc38 FB |
2144 | term_init(); |
2145 | main_loop(); | |
40c3bac3 | 2146 | quit_timers(); |
0824d6fc FB |
2147 | return 0; |
2148 | } |