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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; | |
aaaa7df6 | 114 | int audio_enabled = 0; |
0824d6fc FB |
115 | |
116 | /***********************************************************/ | |
26aa7d72 FB |
117 | /* x86 ISA bus support */ |
118 | ||
119 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 120 | |
c4b1fcc0 | 121 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
122 | { |
123 | #ifdef DEBUG_UNUSED_IOPORT | |
124 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
125 | #endif | |
fc01f7e7 | 126 | return 0xff; |
0824d6fc FB |
127 | } |
128 | ||
c4b1fcc0 | 129 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
130 | { |
131 | #ifdef DEBUG_UNUSED_IOPORT | |
132 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
133 | #endif | |
134 | } | |
135 | ||
136 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 137 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
138 | { |
139 | uint32_t data; | |
c4b1fcc0 FB |
140 | data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address); |
141 | data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8; | |
0824d6fc FB |
142 | return data; |
143 | } | |
144 | ||
c4b1fcc0 | 145 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 146 | { |
c4b1fcc0 FB |
147 | ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff); |
148 | ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff); | |
0824d6fc FB |
149 | } |
150 | ||
c4b1fcc0 | 151 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 152 | { |
fc01f7e7 FB |
153 | #ifdef DEBUG_UNUSED_IOPORT |
154 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
155 | #endif | |
156 | return 0xffffffff; | |
0824d6fc FB |
157 | } |
158 | ||
c4b1fcc0 | 159 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 160 | { |
fc01f7e7 FB |
161 | #ifdef DEBUG_UNUSED_IOPORT |
162 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
163 | #endif | |
0824d6fc FB |
164 | } |
165 | ||
fc01f7e7 | 166 | void init_ioports(void) |
0824d6fc FB |
167 | { |
168 | int i; | |
169 | ||
fc01f7e7 FB |
170 | for(i = 0; i < MAX_IOPORTS; i++) { |
171 | ioport_read_table[0][i] = default_ioport_readb; | |
172 | ioport_write_table[0][i] = default_ioport_writeb; | |
173 | ioport_read_table[1][i] = default_ioport_readw; | |
174 | ioport_write_table[1][i] = default_ioport_writew; | |
175 | ioport_read_table[2][i] = default_ioport_readl; | |
176 | ioport_write_table[2][i] = default_ioport_writel; | |
177 | } | |
0824d6fc FB |
178 | } |
179 | ||
fc01f7e7 | 180 | /* size is the word size in byte */ |
c4b1fcc0 FB |
181 | int register_ioport_read(int start, int length, int size, |
182 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 183 | { |
fc01f7e7 | 184 | int i, bsize; |
f1510b2c | 185 | |
c4b1fcc0 | 186 | if (size == 1) { |
fc01f7e7 | 187 | bsize = 0; |
c4b1fcc0 | 188 | } else if (size == 2) { |
fc01f7e7 | 189 | bsize = 1; |
c4b1fcc0 | 190 | } else if (size == 4) { |
fc01f7e7 | 191 | bsize = 2; |
c4b1fcc0 FB |
192 | } else { |
193 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 194 | return -1; |
c4b1fcc0 FB |
195 | } |
196 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 197 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
198 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
199 | hw_error("register_ioport_read: invalid opaque"); | |
200 | ioport_opaque[i] = opaque; | |
201 | } | |
f1510b2c FB |
202 | return 0; |
203 | } | |
204 | ||
fc01f7e7 | 205 | /* size is the word size in byte */ |
c4b1fcc0 FB |
206 | int register_ioport_write(int start, int length, int size, |
207 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 208 | { |
fc01f7e7 | 209 | int i, bsize; |
f1510b2c | 210 | |
c4b1fcc0 | 211 | if (size == 1) { |
fc01f7e7 | 212 | bsize = 0; |
c4b1fcc0 | 213 | } else if (size == 2) { |
fc01f7e7 | 214 | bsize = 1; |
c4b1fcc0 | 215 | } else if (size == 4) { |
fc01f7e7 | 216 | bsize = 2; |
c4b1fcc0 FB |
217 | } else { |
218 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 219 | return -1; |
c4b1fcc0 FB |
220 | } |
221 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 222 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
223 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
224 | hw_error("register_ioport_read: invalid opaque"); | |
225 | ioport_opaque[i] = opaque; | |
226 | } | |
f1510b2c FB |
227 | return 0; |
228 | } | |
229 | ||
0824d6fc FB |
230 | void pstrcpy(char *buf, int buf_size, const char *str) |
231 | { | |
232 | int c; | |
233 | char *q = buf; | |
234 | ||
235 | if (buf_size <= 0) | |
236 | return; | |
237 | ||
238 | for(;;) { | |
239 | c = *str++; | |
240 | if (c == 0 || q >= buf + buf_size - 1) | |
241 | break; | |
242 | *q++ = c; | |
243 | } | |
244 | *q = '\0'; | |
245 | } | |
246 | ||
247 | /* strcat and truncate. */ | |
248 | char *pstrcat(char *buf, int buf_size, const char *s) | |
249 | { | |
250 | int len; | |
251 | len = strlen(buf); | |
252 | if (len < buf_size) | |
253 | pstrcpy(buf + len, buf_size - len, s); | |
254 | return buf; | |
255 | } | |
256 | ||
0824d6fc FB |
257 | /* return the size or -1 if error */ |
258 | int load_image(const char *filename, uint8_t *addr) | |
259 | { | |
260 | int fd, size; | |
40c3bac3 | 261 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
262 | if (fd < 0) |
263 | return -1; | |
264 | size = lseek(fd, 0, SEEK_END); | |
265 | lseek(fd, 0, SEEK_SET); | |
266 | if (read(fd, addr, size) != size) { | |
267 | close(fd); | |
268 | return -1; | |
269 | } | |
270 | close(fd); | |
271 | return size; | |
272 | } | |
273 | ||
c45886db | 274 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 275 | { |
c4b1fcc0 FB |
276 | addr &= (MAX_IOPORTS - 1); |
277 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
278 | } |
279 | ||
c45886db | 280 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 281 | { |
c4b1fcc0 FB |
282 | addr &= (MAX_IOPORTS - 1); |
283 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
284 | } |
285 | ||
c45886db | 286 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 287 | { |
c4b1fcc0 FB |
288 | addr &= (MAX_IOPORTS - 1); |
289 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
0824d6fc FB |
290 | } |
291 | ||
c45886db | 292 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 293 | { |
c4b1fcc0 FB |
294 | addr &= (MAX_IOPORTS - 1); |
295 | return ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
296 | } |
297 | ||
c45886db | 298 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 299 | { |
c4b1fcc0 FB |
300 | addr &= (MAX_IOPORTS - 1); |
301 | return ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
302 | } |
303 | ||
c45886db | 304 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 305 | { |
c4b1fcc0 FB |
306 | addr &= (MAX_IOPORTS - 1); |
307 | return ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
0824d6fc FB |
308 | } |
309 | ||
310 | /***********************************************************/ | |
0824d6fc FB |
311 | void hw_error(const char *fmt, ...) |
312 | { | |
313 | va_list ap; | |
314 | ||
315 | va_start(ap, fmt); | |
316 | fprintf(stderr, "qemu: hardware error: "); | |
317 | vfprintf(stderr, fmt, ap); | |
318 | fprintf(stderr, "\n"); | |
319 | #ifdef TARGET_I386 | |
320 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
321 | #else |
322 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
323 | #endif |
324 | va_end(ap); | |
325 | abort(); | |
326 | } | |
327 | ||
8a7ddc38 FB |
328 | /***********************************************************/ |
329 | /* timers */ | |
330 | ||
34865134 FB |
331 | #if defined(__powerpc__) |
332 | ||
333 | static inline uint32_t get_tbl(void) | |
0824d6fc | 334 | { |
34865134 FB |
335 | uint32_t tbl; |
336 | asm volatile("mftb %0" : "=r" (tbl)); | |
337 | return tbl; | |
0824d6fc FB |
338 | } |
339 | ||
34865134 FB |
340 | static inline uint32_t get_tbu(void) |
341 | { | |
342 | uint32_t tbl; | |
343 | asm volatile("mftbu %0" : "=r" (tbl)); | |
344 | return tbl; | |
345 | } | |
346 | ||
347 | int64_t cpu_get_real_ticks(void) | |
348 | { | |
349 | uint32_t l, h, h1; | |
350 | /* NOTE: we test if wrapping has occurred */ | |
351 | do { | |
352 | h = get_tbu(); | |
353 | l = get_tbl(); | |
354 | h1 = get_tbu(); | |
355 | } while (h != h1); | |
356 | return ((int64_t)h << 32) | l; | |
357 | } | |
358 | ||
359 | #elif defined(__i386__) | |
360 | ||
361 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
362 | { |
363 | int64_t val; | |
e463b581 | 364 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
365 | return val; |
366 | } | |
367 | ||
1115dde7 FB |
368 | #elif defined(__x86_64__) |
369 | ||
370 | int64_t cpu_get_real_ticks(void) | |
371 | { | |
372 | uint32_t low,high; | |
373 | int64_t val; | |
374 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
375 | val = high; | |
376 | val <<= 32; | |
377 | val |= low; | |
378 | return val; | |
379 | } | |
380 | ||
34865134 FB |
381 | #else |
382 | #error unsupported CPU | |
383 | #endif | |
384 | ||
385 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 386 | static int cpu_ticks_enabled; |
34865134 | 387 | |
8a7ddc38 | 388 | static inline int64_t cpu_get_ticks(void) |
34865134 | 389 | { |
8a7ddc38 FB |
390 | if (!cpu_ticks_enabled) { |
391 | return cpu_ticks_offset; | |
392 | } else { | |
393 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
394 | } | |
34865134 FB |
395 | } |
396 | ||
397 | /* enable cpu_get_ticks() */ | |
398 | void cpu_enable_ticks(void) | |
399 | { | |
8a7ddc38 FB |
400 | if (!cpu_ticks_enabled) { |
401 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
402 | cpu_ticks_enabled = 1; | |
403 | } | |
34865134 FB |
404 | } |
405 | ||
406 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
407 | cpu_get_ticks() after that. */ | |
408 | void cpu_disable_ticks(void) | |
409 | { | |
8a7ddc38 FB |
410 | if (cpu_ticks_enabled) { |
411 | cpu_ticks_offset = cpu_get_ticks(); | |
412 | cpu_ticks_enabled = 0; | |
413 | } | |
34865134 FB |
414 | } |
415 | ||
67b915a5 | 416 | static int64_t get_clock(void) |
34865134 | 417 | { |
67b915a5 FB |
418 | #ifdef _WIN32 |
419 | struct _timeb tb; | |
420 | _ftime(&tb); | |
421 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
422 | #else | |
34865134 FB |
423 | struct timeval tv; |
424 | gettimeofday(&tv, NULL); | |
425 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 426 | #endif |
34865134 FB |
427 | } |
428 | ||
0824d6fc FB |
429 | void cpu_calibrate_ticks(void) |
430 | { | |
431 | int64_t usec, ticks; | |
432 | ||
433 | usec = get_clock(); | |
8a7ddc38 | 434 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
435 | #ifdef _WIN32 |
436 | Sleep(50); | |
437 | #else | |
0824d6fc | 438 | usleep(50 * 1000); |
67b915a5 | 439 | #endif |
0824d6fc | 440 | usec = get_clock() - usec; |
8a7ddc38 | 441 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
442 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
443 | } | |
444 | ||
87858c89 | 445 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 446 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
447 | { |
448 | union { | |
449 | uint64_t ll; | |
450 | struct { | |
451 | #ifdef WORDS_BIGENDIAN | |
452 | uint32_t high, low; | |
453 | #else | |
454 | uint32_t low, high; | |
455 | #endif | |
456 | } l; | |
457 | } u, res; | |
458 | uint64_t rl, rh; | |
459 | ||
460 | u.ll = a; | |
461 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
462 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
463 | rh += (rl >> 32); | |
464 | res.l.high = rh / c; | |
465 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
466 | return res.ll; | |
467 | } | |
468 | ||
8a7ddc38 FB |
469 | #define QEMU_TIMER_REALTIME 0 |
470 | #define QEMU_TIMER_VIRTUAL 1 | |
471 | ||
472 | struct QEMUClock { | |
473 | int type; | |
474 | /* XXX: add frequency */ | |
475 | }; | |
476 | ||
477 | struct QEMUTimer { | |
478 | QEMUClock *clock; | |
479 | int64_t expire_time; | |
480 | QEMUTimerCB *cb; | |
481 | void *opaque; | |
482 | struct QEMUTimer *next; | |
483 | }; | |
484 | ||
485 | QEMUClock *rt_clock; | |
486 | QEMUClock *vm_clock; | |
487 | ||
488 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
489 | #ifdef _WIN32 |
490 | static MMRESULT timerID; | |
491 | #else | |
8a7ddc38 FB |
492 | /* frequency of the times() clock tick */ |
493 | static int timer_freq; | |
67b915a5 | 494 | #endif |
8a7ddc38 FB |
495 | |
496 | QEMUClock *qemu_new_clock(int type) | |
497 | { | |
498 | QEMUClock *clock; | |
499 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
500 | if (!clock) | |
501 | return NULL; | |
502 | clock->type = type; | |
503 | return clock; | |
504 | } | |
505 | ||
506 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
507 | { | |
508 | QEMUTimer *ts; | |
509 | ||
510 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
511 | ts->clock = clock; | |
512 | ts->cb = cb; | |
513 | ts->opaque = opaque; | |
514 | return ts; | |
515 | } | |
516 | ||
517 | void qemu_free_timer(QEMUTimer *ts) | |
518 | { | |
519 | qemu_free(ts); | |
520 | } | |
521 | ||
522 | /* stop a timer, but do not dealloc it */ | |
523 | void qemu_del_timer(QEMUTimer *ts) | |
524 | { | |
525 | QEMUTimer **pt, *t; | |
526 | ||
527 | /* NOTE: this code must be signal safe because | |
528 | qemu_timer_expired() can be called from a signal. */ | |
529 | pt = &active_timers[ts->clock->type]; | |
530 | for(;;) { | |
531 | t = *pt; | |
532 | if (!t) | |
533 | break; | |
534 | if (t == ts) { | |
535 | *pt = t->next; | |
536 | break; | |
537 | } | |
538 | pt = &t->next; | |
539 | } | |
540 | } | |
541 | ||
542 | /* modify the current timer so that it will be fired when current_time | |
543 | >= expire_time. The corresponding callback will be called. */ | |
544 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
545 | { | |
546 | QEMUTimer **pt, *t; | |
547 | ||
548 | qemu_del_timer(ts); | |
549 | ||
550 | /* add the timer in the sorted list */ | |
551 | /* NOTE: this code must be signal safe because | |
552 | qemu_timer_expired() can be called from a signal. */ | |
553 | pt = &active_timers[ts->clock->type]; | |
554 | for(;;) { | |
555 | t = *pt; | |
556 | if (!t) | |
557 | break; | |
558 | if (t->expire_time > expire_time) | |
559 | break; | |
560 | pt = &t->next; | |
561 | } | |
562 | ts->expire_time = expire_time; | |
563 | ts->next = *pt; | |
564 | *pt = ts; | |
565 | } | |
566 | ||
567 | int qemu_timer_pending(QEMUTimer *ts) | |
568 | { | |
569 | QEMUTimer *t; | |
570 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
571 | if (t == ts) | |
572 | return 1; | |
573 | } | |
574 | return 0; | |
575 | } | |
576 | ||
577 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
578 | { | |
579 | if (!timer_head) | |
580 | return 0; | |
581 | return (timer_head->expire_time <= current_time); | |
582 | } | |
583 | ||
584 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
585 | { | |
586 | QEMUTimer *ts; | |
587 | ||
588 | for(;;) { | |
589 | ts = *ptimer_head; | |
590 | if (ts->expire_time > current_time) | |
591 | break; | |
592 | /* remove timer from the list before calling the callback */ | |
593 | *ptimer_head = ts->next; | |
594 | ts->next = NULL; | |
595 | ||
596 | /* run the callback (the timer list can be modified) */ | |
597 | ts->cb(ts->opaque); | |
598 | } | |
599 | } | |
600 | ||
601 | int64_t qemu_get_clock(QEMUClock *clock) | |
602 | { | |
603 | switch(clock->type) { | |
604 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
605 | #ifdef _WIN32 |
606 | return GetTickCount(); | |
607 | #else | |
8a7ddc38 FB |
608 | /* XXX: portability among Linux hosts */ |
609 | if (timer_freq == 100) { | |
610 | return times(NULL) * 10; | |
611 | } else { | |
612 | return ((int64_t)times(NULL) * 1000) / timer_freq; | |
613 | } | |
67b915a5 | 614 | #endif |
8a7ddc38 FB |
615 | default: |
616 | case QEMU_TIMER_VIRTUAL: | |
617 | return cpu_get_ticks(); | |
618 | } | |
619 | } | |
620 | ||
621 | /* save a timer */ | |
622 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
623 | { | |
624 | uint64_t expire_time; | |
625 | ||
626 | if (qemu_timer_pending(ts)) { | |
627 | expire_time = ts->expire_time; | |
628 | } else { | |
629 | expire_time = -1; | |
630 | } | |
631 | qemu_put_be64(f, expire_time); | |
632 | } | |
633 | ||
634 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
635 | { | |
636 | uint64_t expire_time; | |
637 | ||
638 | expire_time = qemu_get_be64(f); | |
639 | if (expire_time != -1) { | |
640 | qemu_mod_timer(ts, expire_time); | |
641 | } else { | |
642 | qemu_del_timer(ts); | |
643 | } | |
644 | } | |
645 | ||
646 | static void timer_save(QEMUFile *f, void *opaque) | |
647 | { | |
648 | if (cpu_ticks_enabled) { | |
649 | hw_error("cannot save state if virtual timers are running"); | |
650 | } | |
651 | qemu_put_be64s(f, &cpu_ticks_offset); | |
652 | qemu_put_be64s(f, &ticks_per_sec); | |
653 | } | |
654 | ||
655 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
656 | { | |
657 | if (version_id != 1) | |
658 | return -EINVAL; | |
659 | if (cpu_ticks_enabled) { | |
660 | return -EINVAL; | |
661 | } | |
662 | qemu_get_be64s(f, &cpu_ticks_offset); | |
663 | qemu_get_be64s(f, &ticks_per_sec); | |
664 | return 0; | |
665 | } | |
666 | ||
67b915a5 FB |
667 | #ifdef _WIN32 |
668 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
669 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
670 | #else | |
8a7ddc38 | 671 | static void host_alarm_handler(int host_signum) |
67b915a5 | 672 | #endif |
8a7ddc38 FB |
673 | { |
674 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
675 | qemu_get_clock(vm_clock)) || | |
676 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
677 | qemu_get_clock(rt_clock))) { | |
678 | /* stop the cpu because a timer occured */ | |
679 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
680 | } | |
681 | } | |
682 | ||
683 | static void init_timers(void) | |
684 | { | |
8a7ddc38 FB |
685 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
686 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
687 | ||
67b915a5 FB |
688 | #ifdef _WIN32 |
689 | { | |
690 | int count=0; | |
40c3bac3 FB |
691 | timerID = timeSetEvent(10, // interval (ms) |
692 | 0, // resolution | |
693 | host_alarm_handler, // function | |
694 | (DWORD)&count, // user parameter | |
695 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
696 | if( !timerID ) { |
697 | perror("failed timer alarm"); | |
698 | exit(1); | |
699 | } | |
700 | } | |
701 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
702 | #else | |
703 | { | |
704 | struct sigaction act; | |
705 | struct itimerval itv; | |
706 | ||
707 | /* get times() syscall frequency */ | |
708 | timer_freq = sysconf(_SC_CLK_TCK); | |
709 | ||
710 | /* timer signal */ | |
711 | sigfillset(&act.sa_mask); | |
712 | act.sa_flags = 0; | |
8a7ddc38 | 713 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
714 | act.sa_flags |= SA_ONSTACK; |
715 | #endif | |
716 | act.sa_handler = host_alarm_handler; | |
717 | sigaction(SIGALRM, &act, NULL); | |
718 | ||
719 | itv.it_interval.tv_sec = 0; | |
720 | itv.it_interval.tv_usec = 1000; | |
721 | itv.it_value.tv_sec = 0; | |
722 | itv.it_value.tv_usec = 10 * 1000; | |
723 | setitimer(ITIMER_REAL, &itv, NULL); | |
724 | /* we probe the tick duration of the kernel to inform the user if | |
725 | the emulated kernel requested a too high timer frequency */ | |
726 | getitimer(ITIMER_REAL, &itv); | |
727 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / | |
728 | 1000000; | |
729 | } | |
8a7ddc38 | 730 | #endif |
8a7ddc38 FB |
731 | } |
732 | ||
40c3bac3 FB |
733 | void quit_timers(void) |
734 | { | |
735 | #ifdef _WIN32 | |
736 | timeKillEvent(timerID); | |
737 | #endif | |
738 | } | |
739 | ||
c4b1fcc0 FB |
740 | /***********************************************************/ |
741 | /* serial device */ | |
313aa567 | 742 | |
67b915a5 FB |
743 | #ifdef _WIN32 |
744 | ||
745 | int serial_open_device(void) | |
746 | { | |
747 | return -1; | |
748 | } | |
749 | ||
750 | #else | |
751 | ||
c4b1fcc0 | 752 | int serial_open_device(void) |
313aa567 | 753 | { |
c4b1fcc0 FB |
754 | char slave_name[1024]; |
755 | int master_fd, slave_fd; | |
313aa567 | 756 | |
c4b1fcc0 FB |
757 | if (serial_console == NULL && nographic) { |
758 | /* use console for serial port */ | |
759 | return 0; | |
80cabfad | 760 | } else { |
c4b1fcc0 FB |
761 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
762 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
763 | return -1; | |
764 | } | |
765 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
766 | return master_fd; | |
330d0414 | 767 | } |
330d0414 FB |
768 | } |
769 | ||
67b915a5 FB |
770 | #endif |
771 | ||
80cabfad | 772 | /***********************************************************/ |
c20709aa | 773 | /* Linux network device redirectors */ |
330d0414 | 774 | |
c20709aa FB |
775 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
776 | { | |
777 | int len, i, j, c; | |
778 | ||
779 | for(i=0;i<size;i+=16) { | |
780 | len = size - i; | |
781 | if (len > 16) | |
782 | len = 16; | |
783 | fprintf(f, "%08x ", i); | |
784 | for(j=0;j<16;j++) { | |
785 | if (j < len) | |
786 | fprintf(f, " %02x", buf[i+j]); | |
787 | else | |
788 | fprintf(f, " "); | |
789 | } | |
790 | fprintf(f, " "); | |
791 | for(j=0;j<len;j++) { | |
792 | c = buf[i+j]; | |
793 | if (c < ' ' || c > '~') | |
794 | c = '.'; | |
795 | fprintf(f, "%c", c); | |
796 | } | |
797 | fprintf(f, "\n"); | |
798 | } | |
799 | } | |
800 | ||
801 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
802 | { | |
803 | nd->send_packet(nd, buf, size); | |
804 | } | |
67b915a5 | 805 | |
c20709aa FB |
806 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
807 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 808 | { |
c20709aa FB |
809 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
810 | } | |
811 | ||
812 | /* dummy network adapter */ | |
813 | ||
814 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
815 | { | |
816 | } | |
817 | ||
818 | static void dummy_add_read_packet(NetDriverState *nd, | |
819 | IOCanRWHandler *fd_can_read, | |
820 | IOReadHandler *fd_read, void *opaque) | |
821 | { | |
822 | } | |
823 | ||
824 | static int net_dummy_init(NetDriverState *nd) | |
825 | { | |
826 | nd->send_packet = dummy_send_packet; | |
827 | nd->add_read_packet = dummy_add_read_packet; | |
828 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
829 | return 0; |
830 | } | |
831 | ||
c20709aa FB |
832 | #if defined(CONFIG_SLIRP) |
833 | ||
834 | /* slirp network adapter */ | |
835 | ||
836 | static void *slirp_fd_opaque; | |
837 | static IOCanRWHandler *slirp_fd_can_read; | |
838 | static IOReadHandler *slirp_fd_read; | |
839 | static int slirp_inited; | |
840 | ||
841 | int slirp_can_output(void) | |
842 | { | |
843 | return slirp_fd_can_read(slirp_fd_opaque); | |
844 | } | |
845 | ||
846 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 847 | { |
c20709aa FB |
848 | #if 0 |
849 | printf("output:\n"); | |
850 | hex_dump(stdout, pkt, pkt_len); | |
851 | #endif | |
852 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
853 | } |
854 | ||
c20709aa FB |
855 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
856 | { | |
857 | #if 0 | |
858 | printf("input:\n"); | |
859 | hex_dump(stdout, buf, size); | |
860 | #endif | |
861 | slirp_input(buf, size); | |
862 | } | |
863 | ||
864 | static void slirp_add_read_packet(NetDriverState *nd, | |
865 | IOCanRWHandler *fd_can_read, | |
866 | IOReadHandler *fd_read, void *opaque) | |
867 | { | |
868 | slirp_fd_opaque = opaque; | |
869 | slirp_fd_can_read = fd_can_read; | |
870 | slirp_fd_read = fd_read; | |
871 | } | |
872 | ||
873 | static int net_slirp_init(NetDriverState *nd) | |
874 | { | |
875 | if (!slirp_inited) { | |
876 | slirp_inited = 1; | |
877 | slirp_init(); | |
878 | } | |
879 | nd->send_packet = slirp_send_packet; | |
880 | nd->add_read_packet = slirp_add_read_packet; | |
881 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
882 | return 0; | |
883 | } | |
884 | ||
885 | #endif /* CONFIG_SLIRP */ | |
886 | ||
887 | #if !defined(_WIN32) | |
67b915a5 | 888 | |
c4b1fcc0 | 889 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 890 | { |
80cabfad | 891 | struct ifreq ifr; |
c4b1fcc0 | 892 | int fd, ret; |
80cabfad FB |
893 | |
894 | fd = open("/dev/net/tun", O_RDWR); | |
895 | if (fd < 0) { | |
896 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
897 | return -1; | |
330d0414 | 898 | } |
80cabfad FB |
899 | memset(&ifr, 0, sizeof(ifr)); |
900 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
901 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
902 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
903 | if (ret != 0) { | |
904 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
905 | close(fd); | |
906 | return -1; | |
907 | } | |
908 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 909 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 910 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
911 | return fd; |
912 | } | |
330d0414 | 913 | |
c20709aa FB |
914 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
915 | { | |
916 | write(nd->fd, buf, size); | |
917 | } | |
918 | ||
919 | static void tun_add_read_packet(NetDriverState *nd, | |
920 | IOCanRWHandler *fd_can_read, | |
921 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 922 | { |
c20709aa FB |
923 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
924 | } | |
925 | ||
926 | static int net_tun_init(NetDriverState *nd) | |
927 | { | |
928 | int pid, status; | |
929 | char *args[3]; | |
c4b1fcc0 FB |
930 | char **parg; |
931 | ||
c20709aa FB |
932 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
933 | if (nd->fd < 0) | |
934 | return -1; | |
c4b1fcc0 | 935 | |
c20709aa FB |
936 | /* try to launch network init script */ |
937 | pid = fork(); | |
938 | if (pid >= 0) { | |
939 | if (pid == 0) { | |
940 | parg = args; | |
941 | *parg++ = network_script; | |
942 | *parg++ = nd->ifname; | |
943 | *parg++ = NULL; | |
944 | execv(network_script, args); | |
945 | exit(1); | |
946 | } | |
947 | while (waitpid(pid, &status, 0) != pid); | |
948 | if (!WIFEXITED(status) || | |
949 | WEXITSTATUS(status) != 0) { | |
950 | fprintf(stderr, "%s: could not launch network script\n", | |
951 | network_script); | |
80cabfad | 952 | } |
330d0414 | 953 | } |
c20709aa FB |
954 | nd->send_packet = tun_send_packet; |
955 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 956 | return 0; |
330d0414 FB |
957 | } |
958 | ||
c20709aa | 959 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 960 | { |
c20709aa FB |
961 | nd->fd = fd; |
962 | nd->send_packet = tun_send_packet; | |
963 | nd->add_read_packet = tun_add_read_packet; | |
964 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
965 | return 0; | |
80cabfad | 966 | } |
330d0414 | 967 | |
c20709aa | 968 | #endif /* !_WIN32 */ |
67b915a5 | 969 | |
313aa567 FB |
970 | /***********************************************************/ |
971 | /* dumb display */ | |
972 | ||
67b915a5 FB |
973 | #ifdef _WIN32 |
974 | ||
975 | static void term_exit(void) | |
976 | { | |
977 | } | |
978 | ||
979 | static void term_init(void) | |
980 | { | |
981 | } | |
982 | ||
983 | #else | |
984 | ||
313aa567 FB |
985 | /* init terminal so that we can grab keys */ |
986 | static struct termios oldtty; | |
987 | ||
988 | static void term_exit(void) | |
989 | { | |
990 | tcsetattr (0, TCSANOW, &oldtty); | |
991 | } | |
992 | ||
993 | static void term_init(void) | |
994 | { | |
995 | struct termios tty; | |
996 | ||
997 | tcgetattr (0, &tty); | |
998 | oldtty = tty; | |
999 | ||
1000 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1001 | |INLCR|IGNCR|ICRNL|IXON); | |
1002 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
1003 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1004 | /* if graphical mode, we allow Ctrl-C handling */ | |
1005 | if (nographic) | |
1006 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
1007 | tty.c_cflag &= ~(CSIZE|PARENB); |
1008 | tty.c_cflag |= CS8; | |
1009 | tty.c_cc[VMIN] = 1; | |
1010 | tty.c_cc[VTIME] = 0; | |
1011 | ||
1012 | tcsetattr (0, TCSANOW, &tty); | |
1013 | ||
1014 | atexit(term_exit); | |
1015 | ||
1016 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1017 | } | |
1018 | ||
67b915a5 FB |
1019 | #endif |
1020 | ||
313aa567 FB |
1021 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1022 | { | |
1023 | } | |
1024 | ||
1025 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1026 | { | |
1027 | } | |
1028 | ||
1029 | static void dumb_refresh(DisplayState *ds) | |
1030 | { | |
1031 | vga_update_display(); | |
1032 | } | |
1033 | ||
1034 | void dumb_display_init(DisplayState *ds) | |
1035 | { | |
1036 | ds->data = NULL; | |
1037 | ds->linesize = 0; | |
1038 | ds->depth = 0; | |
1039 | ds->dpy_update = dumb_update; | |
1040 | ds->dpy_resize = dumb_resize; | |
1041 | ds->dpy_refresh = dumb_refresh; | |
1042 | } | |
1043 | ||
3a51dee6 | 1044 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1045 | /***********************************************************/ |
0824d6fc FB |
1046 | /* cpu signal handler */ |
1047 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1048 | void *puc) | |
1049 | { | |
1050 | if (cpu_signal_handler(host_signum, info, puc)) | |
1051 | return; | |
1052 | term_exit(); | |
1053 | abort(); | |
1054 | } | |
3a51dee6 | 1055 | #endif |
0824d6fc | 1056 | |
8a7ddc38 FB |
1057 | /***********************************************************/ |
1058 | /* I/O handling */ | |
0824d6fc | 1059 | |
c4b1fcc0 FB |
1060 | #define MAX_IO_HANDLERS 64 |
1061 | ||
1062 | typedef struct IOHandlerRecord { | |
1063 | int fd; | |
1064 | IOCanRWHandler *fd_can_read; | |
1065 | IOReadHandler *fd_read; | |
1066 | void *opaque; | |
1067 | /* temporary data */ | |
1068 | struct pollfd *ufd; | |
1069 | int max_size; | |
8a7ddc38 | 1070 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1071 | } IOHandlerRecord; |
1072 | ||
8a7ddc38 | 1073 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1074 | |
8a7ddc38 FB |
1075 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1076 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1077 | { |
1078 | IOHandlerRecord *ioh; | |
1079 | ||
8a7ddc38 FB |
1080 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1081 | if (!ioh) | |
c4b1fcc0 | 1082 | return -1; |
c4b1fcc0 FB |
1083 | ioh->fd = fd; |
1084 | ioh->fd_can_read = fd_can_read; | |
1085 | ioh->fd_read = fd_read; | |
1086 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1087 | ioh->next = first_io_handler; |
1088 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1089 | return 0; |
1090 | } | |
1091 | ||
8a7ddc38 FB |
1092 | void qemu_del_fd_read_handler(int fd) |
1093 | { | |
1094 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1095 | |
8a7ddc38 FB |
1096 | pioh = &first_io_handler; |
1097 | for(;;) { | |
1098 | ioh = *pioh; | |
1099 | if (ioh == NULL) | |
1100 | break; | |
1101 | if (ioh->fd == fd) { | |
1102 | *pioh = ioh->next; | |
1103 | break; | |
1104 | } | |
1105 | pioh = &ioh->next; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | /***********************************************************/ | |
1110 | /* savevm/loadvm support */ | |
1111 | ||
1112 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1113 | { |
8a7ddc38 | 1114 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1115 | } |
1116 | ||
8a7ddc38 | 1117 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1118 | { |
8a7ddc38 FB |
1119 | fputc(v, f); |
1120 | } | |
1121 | ||
1122 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1123 | { | |
1124 | qemu_put_byte(f, v >> 8); | |
1125 | qemu_put_byte(f, v); | |
1126 | } | |
1127 | ||
1128 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1129 | { | |
1130 | qemu_put_byte(f, v >> 24); | |
1131 | qemu_put_byte(f, v >> 16); | |
1132 | qemu_put_byte(f, v >> 8); | |
1133 | qemu_put_byte(f, v); | |
1134 | } | |
1135 | ||
1136 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1137 | { | |
1138 | qemu_put_be32(f, v >> 32); | |
1139 | qemu_put_be32(f, v); | |
1140 | } | |
1141 | ||
1142 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1143 | { | |
1144 | return fread(buf, 1, size, f); | |
1145 | } | |
1146 | ||
1147 | int qemu_get_byte(QEMUFile *f) | |
1148 | { | |
1149 | int v; | |
1150 | v = fgetc(f); | |
1151 | if (v == EOF) | |
1152 | return 0; | |
1153 | else | |
1154 | return v; | |
1155 | } | |
1156 | ||
1157 | unsigned int qemu_get_be16(QEMUFile *f) | |
1158 | { | |
1159 | unsigned int v; | |
1160 | v = qemu_get_byte(f) << 8; | |
1161 | v |= qemu_get_byte(f); | |
1162 | return v; | |
1163 | } | |
1164 | ||
1165 | unsigned int qemu_get_be32(QEMUFile *f) | |
1166 | { | |
1167 | unsigned int v; | |
1168 | v = qemu_get_byte(f) << 24; | |
1169 | v |= qemu_get_byte(f) << 16; | |
1170 | v |= qemu_get_byte(f) << 8; | |
1171 | v |= qemu_get_byte(f); | |
1172 | return v; | |
1173 | } | |
1174 | ||
1175 | uint64_t qemu_get_be64(QEMUFile *f) | |
1176 | { | |
1177 | uint64_t v; | |
1178 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1179 | v |= qemu_get_be32(f); | |
1180 | return v; | |
1181 | } | |
1182 | ||
1183 | int64_t qemu_ftell(QEMUFile *f) | |
1184 | { | |
1185 | return ftell(f); | |
1186 | } | |
1187 | ||
1188 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1189 | { | |
1190 | if (fseek(f, pos, whence) < 0) | |
1191 | return -1; | |
1192 | return ftell(f); | |
1193 | } | |
1194 | ||
1195 | typedef struct SaveStateEntry { | |
1196 | char idstr[256]; | |
1197 | int instance_id; | |
1198 | int version_id; | |
1199 | SaveStateHandler *save_state; | |
1200 | LoadStateHandler *load_state; | |
1201 | void *opaque; | |
1202 | struct SaveStateEntry *next; | |
1203 | } SaveStateEntry; | |
b4608c04 | 1204 | |
8a7ddc38 FB |
1205 | static SaveStateEntry *first_se; |
1206 | ||
1207 | int register_savevm(const char *idstr, | |
1208 | int instance_id, | |
1209 | int version_id, | |
1210 | SaveStateHandler *save_state, | |
1211 | LoadStateHandler *load_state, | |
1212 | void *opaque) | |
1213 | { | |
1214 | SaveStateEntry *se, **pse; | |
1215 | ||
1216 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1217 | if (!se) | |
1218 | return -1; | |
1219 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1220 | se->instance_id = instance_id; | |
1221 | se->version_id = version_id; | |
1222 | se->save_state = save_state; | |
1223 | se->load_state = load_state; | |
1224 | se->opaque = opaque; | |
1225 | se->next = NULL; | |
1226 | ||
1227 | /* add at the end of list */ | |
1228 | pse = &first_se; | |
1229 | while (*pse != NULL) | |
1230 | pse = &(*pse)->next; | |
1231 | *pse = se; | |
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1236 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1237 | ||
1238 | int qemu_savevm(const char *filename) | |
1239 | { | |
1240 | SaveStateEntry *se; | |
1241 | QEMUFile *f; | |
1242 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1243 | ||
1244 | saved_vm_running = vm_running; | |
1245 | vm_stop(0); | |
1246 | ||
1247 | f = fopen(filename, "wb"); | |
1248 | if (!f) { | |
1249 | ret = -1; | |
1250 | goto the_end; | |
313aa567 FB |
1251 | } |
1252 | ||
8a7ddc38 FB |
1253 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1254 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1255 | ||
1256 | for(se = first_se; se != NULL; se = se->next) { | |
1257 | /* ID string */ | |
1258 | len = strlen(se->idstr); | |
1259 | qemu_put_byte(f, len); | |
1260 | qemu_put_buffer(f, se->idstr, len); | |
1261 | ||
1262 | qemu_put_be32(f, se->instance_id); | |
1263 | qemu_put_be32(f, se->version_id); | |
1264 | ||
1265 | /* record size: filled later */ | |
1266 | len_pos = ftell(f); | |
1267 | qemu_put_be32(f, 0); | |
1268 | ||
1269 | se->save_state(f, se->opaque); | |
1270 | ||
1271 | /* fill record size */ | |
1272 | cur_pos = ftell(f); | |
1273 | len = ftell(f) - len_pos - 4; | |
1274 | fseek(f, len_pos, SEEK_SET); | |
1275 | qemu_put_be32(f, len); | |
1276 | fseek(f, cur_pos, SEEK_SET); | |
1277 | } | |
1278 | ||
1279 | fclose(f); | |
1280 | ret = 0; | |
1281 | the_end: | |
1282 | if (saved_vm_running) | |
1283 | vm_start(); | |
1284 | return ret; | |
1285 | } | |
1286 | ||
1287 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1288 | { | |
1289 | SaveStateEntry *se; | |
1290 | ||
1291 | for(se = first_se; se != NULL; se = se->next) { | |
1292 | if (!strcmp(se->idstr, idstr) && | |
1293 | instance_id == se->instance_id) | |
1294 | return se; | |
1295 | } | |
1296 | return NULL; | |
1297 | } | |
1298 | ||
1299 | int qemu_loadvm(const char *filename) | |
1300 | { | |
1301 | SaveStateEntry *se; | |
1302 | QEMUFile *f; | |
1303 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1304 | int saved_vm_running; | |
1305 | unsigned int v; | |
1306 | char idstr[256]; | |
1307 | ||
1308 | saved_vm_running = vm_running; | |
1309 | vm_stop(0); | |
1310 | ||
1311 | f = fopen(filename, "rb"); | |
1312 | if (!f) { | |
1313 | ret = -1; | |
1314 | goto the_end; | |
1315 | } | |
1316 | ||
1317 | v = qemu_get_be32(f); | |
1318 | if (v != QEMU_VM_FILE_MAGIC) | |
1319 | goto fail; | |
1320 | v = qemu_get_be32(f); | |
1321 | if (v != QEMU_VM_FILE_VERSION) { | |
1322 | fail: | |
1323 | fclose(f); | |
1324 | ret = -1; | |
1325 | goto the_end; | |
1326 | } | |
b4608c04 | 1327 | for(;;) { |
a541f297 | 1328 | #if defined (DO_TB_FLUSH) |
d927637d | 1329 | tb_flush(global_env); |
a541f297 | 1330 | #endif |
8a7ddc38 FB |
1331 | len = qemu_get_byte(f); |
1332 | if (feof(f)) | |
cd4c3e88 | 1333 | break; |
8a7ddc38 FB |
1334 | qemu_get_buffer(f, idstr, len); |
1335 | idstr[len] = '\0'; | |
1336 | instance_id = qemu_get_be32(f); | |
1337 | version_id = qemu_get_be32(f); | |
1338 | record_len = qemu_get_be32(f); | |
1339 | #if 0 | |
1340 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1341 | idstr, instance_id, version_id, record_len); | |
1342 | #endif | |
1343 | cur_pos = ftell(f); | |
1344 | se = find_se(idstr, instance_id); | |
1345 | if (!se) { | |
1346 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1347 | instance_id, idstr); | |
1348 | } else { | |
1349 | ret = se->load_state(f, se->opaque, version_id); | |
1350 | if (ret < 0) { | |
1351 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1352 | instance_id, idstr); | |
1353 | } | |
34865134 | 1354 | } |
8a7ddc38 FB |
1355 | /* always seek to exact end of record */ |
1356 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1357 | } | |
1358 | fclose(f); | |
1359 | ret = 0; | |
1360 | the_end: | |
1361 | if (saved_vm_running) | |
1362 | vm_start(); | |
1363 | return ret; | |
1364 | } | |
1365 | ||
1366 | /***********************************************************/ | |
1367 | /* cpu save/restore */ | |
1368 | ||
1369 | #if defined(TARGET_I386) | |
1370 | ||
1371 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1372 | { | |
1373 | qemu_put_be32(f, (uint32_t)dt->base); | |
1374 | qemu_put_be32(f, dt->limit); | |
1375 | qemu_put_be32(f, dt->flags); | |
1376 | } | |
1377 | ||
1378 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1379 | { | |
1380 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1381 | dt->limit = qemu_get_be32(f); | |
1382 | dt->flags = qemu_get_be32(f); | |
1383 | } | |
1384 | ||
1385 | void cpu_save(QEMUFile *f, void *opaque) | |
1386 | { | |
1387 | CPUState *env = opaque; | |
1388 | uint16_t fptag, fpus, fpuc; | |
1389 | uint32_t hflags; | |
1390 | int i; | |
1391 | ||
1392 | for(i = 0; i < 8; i++) | |
1393 | qemu_put_be32s(f, &env->regs[i]); | |
1394 | qemu_put_be32s(f, &env->eip); | |
1395 | qemu_put_be32s(f, &env->eflags); | |
1396 | qemu_put_be32s(f, &env->eflags); | |
1397 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1398 | qemu_put_be32s(f, &hflags); | |
1399 | ||
1400 | /* FPU */ | |
1401 | fpuc = env->fpuc; | |
1402 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1403 | fptag = 0; | |
1404 | for (i=7; i>=0; i--) { | |
1405 | fptag <<= 2; | |
1406 | if (env->fptags[i]) { | |
1407 | fptag |= 3; | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | qemu_put_be16s(f, &fpuc); | |
1412 | qemu_put_be16s(f, &fpus); | |
1413 | qemu_put_be16s(f, &fptag); | |
1414 | ||
1415 | for(i = 0; i < 8; i++) { | |
1416 | uint64_t mant; | |
1417 | uint16_t exp; | |
1418 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1419 | qemu_put_be64(f, mant); | |
1420 | qemu_put_be16(f, exp); | |
1421 | } | |
1422 | ||
1423 | for(i = 0; i < 6; i++) | |
1424 | cpu_put_seg(f, &env->segs[i]); | |
1425 | cpu_put_seg(f, &env->ldt); | |
1426 | cpu_put_seg(f, &env->tr); | |
1427 | cpu_put_seg(f, &env->gdt); | |
1428 | cpu_put_seg(f, &env->idt); | |
1429 | ||
1430 | qemu_put_be32s(f, &env->sysenter_cs); | |
1431 | qemu_put_be32s(f, &env->sysenter_esp); | |
1432 | qemu_put_be32s(f, &env->sysenter_eip); | |
1433 | ||
1434 | qemu_put_be32s(f, &env->cr[0]); | |
1435 | qemu_put_be32s(f, &env->cr[2]); | |
1436 | qemu_put_be32s(f, &env->cr[3]); | |
1437 | qemu_put_be32s(f, &env->cr[4]); | |
1438 | ||
1439 | for(i = 0; i < 8; i++) | |
1440 | qemu_put_be32s(f, &env->dr[i]); | |
1441 | ||
1442 | /* MMU */ | |
1443 | qemu_put_be32s(f, &env->a20_mask); | |
1444 | } | |
1445 | ||
1446 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1447 | { | |
1448 | CPUState *env = opaque; | |
1449 | int i; | |
1450 | uint32_t hflags; | |
1451 | uint16_t fpus, fpuc, fptag; | |
1452 | ||
1453 | if (version_id != 1) | |
1454 | return -EINVAL; | |
1455 | for(i = 0; i < 8; i++) | |
1456 | qemu_get_be32s(f, &env->regs[i]); | |
1457 | qemu_get_be32s(f, &env->eip); | |
1458 | qemu_get_be32s(f, &env->eflags); | |
1459 | qemu_get_be32s(f, &env->eflags); | |
1460 | qemu_get_be32s(f, &hflags); | |
1461 | ||
1462 | qemu_get_be16s(f, &fpuc); | |
1463 | qemu_get_be16s(f, &fpus); | |
1464 | qemu_get_be16s(f, &fptag); | |
1465 | ||
1466 | for(i = 0; i < 8; i++) { | |
1467 | uint64_t mant; | |
1468 | uint16_t exp; | |
1469 | mant = qemu_get_be64(f); | |
1470 | exp = qemu_get_be16(f); | |
1471 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1472 | } | |
1473 | ||
1474 | env->fpuc = fpuc; | |
1475 | env->fpstt = (fpus >> 11) & 7; | |
1476 | env->fpus = fpus & ~0x3800; | |
1477 | for(i = 0; i < 8; i++) { | |
1478 | env->fptags[i] = ((fptag & 3) == 3); | |
1479 | fptag >>= 2; | |
1480 | } | |
1481 | ||
1482 | for(i = 0; i < 6; i++) | |
1483 | cpu_get_seg(f, &env->segs[i]); | |
1484 | cpu_get_seg(f, &env->ldt); | |
1485 | cpu_get_seg(f, &env->tr); | |
1486 | cpu_get_seg(f, &env->gdt); | |
1487 | cpu_get_seg(f, &env->idt); | |
1488 | ||
1489 | qemu_get_be32s(f, &env->sysenter_cs); | |
1490 | qemu_get_be32s(f, &env->sysenter_esp); | |
1491 | qemu_get_be32s(f, &env->sysenter_eip); | |
1492 | ||
1493 | qemu_get_be32s(f, &env->cr[0]); | |
1494 | qemu_get_be32s(f, &env->cr[2]); | |
1495 | qemu_get_be32s(f, &env->cr[3]); | |
1496 | qemu_get_be32s(f, &env->cr[4]); | |
1497 | ||
1498 | for(i = 0; i < 8; i++) | |
1499 | qemu_get_be32s(f, &env->dr[i]); | |
1500 | ||
1501 | /* MMU */ | |
1502 | qemu_get_be32s(f, &env->a20_mask); | |
1503 | ||
1504 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1505 | env->hflags = hflags; | |
1506 | tlb_flush(env, 1); | |
1507 | return 0; | |
1508 | } | |
1509 | ||
a541f297 FB |
1510 | #elif defined(TARGET_PPC) |
1511 | void cpu_save(QEMUFile *f, void *opaque) | |
1512 | { | |
1513 | } | |
1514 | ||
1515 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1516 | { | |
1517 | return 0; | |
1518 | } | |
8a7ddc38 FB |
1519 | #else |
1520 | ||
1521 | #warning No CPU save/restore functions | |
1522 | ||
1523 | #endif | |
1524 | ||
1525 | /***********************************************************/ | |
1526 | /* ram save/restore */ | |
1527 | ||
1528 | /* we just avoid storing empty pages */ | |
1529 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1530 | { | |
1531 | int i, v; | |
1532 | ||
1533 | v = buf[0]; | |
1534 | for(i = 1; i < len; i++) { | |
1535 | if (buf[i] != v) | |
1536 | goto normal_save; | |
1537 | } | |
1538 | qemu_put_byte(f, 1); | |
1539 | qemu_put_byte(f, v); | |
1540 | return; | |
1541 | normal_save: | |
1542 | qemu_put_byte(f, 0); | |
1543 | qemu_put_buffer(f, buf, len); | |
1544 | } | |
1545 | ||
1546 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1547 | { | |
1548 | int v; | |
1549 | ||
1550 | v = qemu_get_byte(f); | |
1551 | switch(v) { | |
1552 | case 0: | |
1553 | if (qemu_get_buffer(f, buf, len) != len) | |
1554 | return -EIO; | |
1555 | break; | |
1556 | case 1: | |
1557 | v = qemu_get_byte(f); | |
1558 | memset(buf, v, len); | |
1559 | break; | |
1560 | default: | |
1561 | return -EINVAL; | |
1562 | } | |
1563 | return 0; | |
1564 | } | |
1565 | ||
1566 | static void ram_save(QEMUFile *f, void *opaque) | |
1567 | { | |
1568 | int i; | |
1569 | qemu_put_be32(f, phys_ram_size); | |
1570 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1571 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1576 | { | |
1577 | int i, ret; | |
1578 | ||
1579 | if (version_id != 1) | |
1580 | return -EINVAL; | |
1581 | if (qemu_get_be32(f) != phys_ram_size) | |
1582 | return -EINVAL; | |
1583 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1584 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1585 | if (ret) | |
1586 | return ret; | |
1587 | } | |
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | /***********************************************************/ | |
1592 | /* main execution loop */ | |
1593 | ||
1594 | void gui_update(void *opaque) | |
1595 | { | |
1596 | display_state.dpy_refresh(&display_state); | |
1597 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1598 | } | |
1599 | ||
1600 | /* XXX: support several handlers */ | |
1601 | VMStopHandler *vm_stop_cb; | |
1602 | VMStopHandler *vm_stop_opaque; | |
1603 | ||
1604 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1605 | { | |
1606 | vm_stop_cb = cb; | |
1607 | vm_stop_opaque = opaque; | |
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1612 | { | |
1613 | vm_stop_cb = NULL; | |
1614 | } | |
1615 | ||
1616 | void vm_start(void) | |
1617 | { | |
1618 | if (!vm_running) { | |
1619 | cpu_enable_ticks(); | |
1620 | vm_running = 1; | |
1621 | } | |
1622 | } | |
1623 | ||
1624 | void vm_stop(int reason) | |
1625 | { | |
1626 | if (vm_running) { | |
1627 | cpu_disable_ticks(); | |
1628 | vm_running = 0; | |
1629 | if (reason != 0) { | |
1630 | if (vm_stop_cb) { | |
1631 | vm_stop_cb(vm_stop_opaque, reason); | |
1632 | } | |
34865134 | 1633 | } |
8a7ddc38 FB |
1634 | } |
1635 | } | |
1636 | ||
1637 | int main_loop(void) | |
1638 | { | |
67b915a5 | 1639 | #ifndef _WIN32 |
8a7ddc38 | 1640 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1641 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1642 | uint8_t buf[4096]; |
1643 | int n, max_size; | |
1644 | #endif | |
1645 | int ret, timeout; | |
8a7ddc38 FB |
1646 | CPUState *env = global_env; |
1647 | ||
1648 | for(;;) { | |
1649 | if (vm_running) { | |
1650 | ret = cpu_exec(env); | |
1651 | if (reset_requested) { | |
1652 | ret = EXCP_INTERRUPT; | |
1653 | break; | |
1654 | } | |
1655 | if (ret == EXCP_DEBUG) { | |
1656 | vm_stop(EXCP_DEBUG); | |
1657 | } | |
1658 | /* if hlt instruction, we wait until the next IRQ */ | |
1659 | /* XXX: use timeout computed from timers */ | |
1660 | if (ret == EXCP_HLT) | |
1661 | timeout = 10; | |
1662 | else | |
1663 | timeout = 0; | |
1664 | } else { | |
b4608c04 | 1665 | timeout = 10; |
8a7ddc38 | 1666 | } |
c4b1fcc0 | 1667 | |
38e205a2 FB |
1668 | #ifdef _WIN32 |
1669 | if (timeout > 0) | |
1670 | Sleep(timeout); | |
1671 | #else | |
1672 | ||
b4608c04 | 1673 | /* poll any events */ |
8a7ddc38 | 1674 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1675 | pf = ufds; |
8a7ddc38 FB |
1676 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1677 | if (!ioh->fd_can_read) { | |
1678 | max_size = 0; | |
c4b1fcc0 FB |
1679 | pf->fd = ioh->fd; |
1680 | pf->events = POLLIN; | |
1681 | ioh->ufd = pf; | |
1682 | pf++; | |
1683 | } else { | |
8a7ddc38 FB |
1684 | max_size = ioh->fd_can_read(ioh->opaque); |
1685 | if (max_size > 0) { | |
1686 | if (max_size > sizeof(buf)) | |
1687 | max_size = sizeof(buf); | |
1688 | pf->fd = ioh->fd; | |
1689 | pf->events = POLLIN; | |
1690 | ioh->ufd = pf; | |
1691 | pf++; | |
1692 | } else { | |
1693 | ioh->ufd = NULL; | |
1694 | } | |
c4b1fcc0 FB |
1695 | } |
1696 | ioh->max_size = max_size; | |
b4608c04 | 1697 | } |
73332e5c | 1698 | |
b4608c04 FB |
1699 | ret = poll(ufds, pf - ufds, timeout); |
1700 | if (ret > 0) { | |
8a7ddc38 FB |
1701 | /* XXX: better handling of removal */ |
1702 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1703 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1704 | pf = ioh->ufd; |
1705 | if (pf) { | |
8a7ddc38 FB |
1706 | if (pf->revents & POLLIN) { |
1707 | if (ioh->max_size == 0) { | |
1708 | /* just a read event */ | |
1709 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1710 | } else { | |
1711 | n = read(ioh->fd, buf, ioh->max_size); | |
1712 | if (n >= 0) { | |
1713 | ioh->fd_read(ioh->opaque, buf, n); | |
1714 | } else if (errno != -EAGAIN) { | |
1715 | ioh->fd_read(ioh->opaque, NULL, -errno); | |
1716 | } | |
1717 | } | |
b4608c04 | 1718 | } |
b4608c04 | 1719 | } |
b4608c04 FB |
1720 | } |
1721 | } | |
c20709aa FB |
1722 | |
1723 | #if defined(CONFIG_SLIRP) | |
1724 | /* XXX: merge with poll() */ | |
1725 | if (slirp_inited) { | |
1726 | fd_set rfds, wfds, xfds; | |
1727 | int nfds; | |
1728 | struct timeval tv; | |
1729 | ||
1730 | nfds = -1; | |
1731 | FD_ZERO(&rfds); | |
1732 | FD_ZERO(&wfds); | |
1733 | FD_ZERO(&xfds); | |
1734 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
1735 | tv.tv_sec = 0; | |
1736 | tv.tv_usec = 0; | |
1737 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
1738 | if (ret >= 0) { | |
1739 | slirp_select_poll(&rfds, &wfds, &xfds); | |
1740 | } | |
1741 | } | |
1742 | #endif | |
1743 | ||
67b915a5 | 1744 | #endif |
b4608c04 | 1745 | |
8a7ddc38 FB |
1746 | if (vm_running) { |
1747 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1748 | qemu_get_clock(vm_clock)); | |
1749 | ||
aaaa7df6 FB |
1750 | if (audio_enabled) { |
1751 | /* XXX: add explicit timer */ | |
1752 | SB16_run(); | |
1753 | } | |
8a7ddc38 FB |
1754 | |
1755 | /* run dma transfers, if any */ | |
1756 | DMA_run(); | |
b4608c04 | 1757 | } |
313aa567 | 1758 | |
8a7ddc38 FB |
1759 | /* real time timers */ |
1760 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1761 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1762 | } |
34865134 FB |
1763 | cpu_disable_ticks(); |
1764 | return ret; | |
b4608c04 FB |
1765 | } |
1766 | ||
0824d6fc FB |
1767 | void help(void) |
1768 | { | |
aaaa7df6 | 1769 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 1770 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1771 | "\n" |
a20dd508 | 1772 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1773 | "\n" |
a20dd508 | 1774 | "Standard options:\n" |
c45886db | 1775 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1776 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1777 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1778 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1779 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 FB |
1780 | "-snapshot write to temporary files instead of disk image files\n" |
1781 | "-m megs set virtual RAM size to megs MB\n" | |
c4b1fcc0 | 1782 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 1783 | "-enable-audio enable audio support\n" |
c4b1fcc0 FB |
1784 | "\n" |
1785 | "Network options:\n" | |
c20709aa | 1786 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 1787 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
1788 | "-n script set tap/tun network init script [default=%s]\n" |
1789 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
1790 | #ifdef CONFIG_SLIRP | |
1791 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
1792 | #endif | |
1793 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 1794 | "\n" |
c4b1fcc0 | 1795 | "Linux boot specific:\n" |
a20dd508 FB |
1796 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1797 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1798 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1799 | "\n" |
330d0414 | 1800 | "Debug/Expert options:\n" |
a20dd508 FB |
1801 | "-s wait gdb connection to port %d\n" |
1802 | "-p port change gdb connection port\n" | |
f193c797 | 1803 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1804 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1805 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1806 | #ifdef USE_CODE_COPY |
1807 | "-no-code-copy disable code copy acceleration\n" | |
1808 | #endif | |
1809 | ||
0824d6fc | 1810 | "\n" |
f1510b2c | 1811 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1812 | #ifdef CONFIG_SOFTMMU |
1813 | "qemu", | |
1814 | #else | |
1815 | "qemu-fast", | |
1816 | #endif | |
1817 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
1818 | DEFAULT_GDBSTUB_PORT, |
1819 | "/tmp/qemu.log"); | |
0824d6fc | 1820 | term_print_help(); |
0db63474 FB |
1821 | #ifndef CONFIG_SOFTMMU |
1822 | printf("\n" | |
1823 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
1824 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
1825 | "PC emulation.\n"); | |
1826 | #endif | |
0824d6fc FB |
1827 | exit(1); |
1828 | } | |
1829 | ||
fc01f7e7 FB |
1830 | struct option long_options[] = { |
1831 | { "initrd", 1, NULL, 0, }, | |
1832 | { "hda", 1, NULL, 0, }, | |
1833 | { "hdb", 1, NULL, 0, }, | |
33e3963e | 1834 | { "snapshot", 0, NULL, 0, }, |
330d0414 | 1835 | { "hdachs", 1, NULL, 0, }, |
a20dd508 FB |
1836 | { "nographic", 0, NULL, 0, }, |
1837 | { "kernel", 1, NULL, 0, }, | |
1838 | { "append", 1, NULL, 0, }, | |
42f1e0e4 | 1839 | { "tun-fd", 1, NULL, 0, }, |
36b486bb FB |
1840 | { "hdc", 1, NULL, 0, }, |
1841 | { "hdd", 1, NULL, 0, }, | |
1842 | { "cdrom", 1, NULL, 0, }, | |
1843 | { "boot", 1, NULL, 0, }, | |
c45886db FB |
1844 | { "fda", 1, NULL, 0, }, |
1845 | { "fdb", 1, NULL, 0, }, | |
c4b1fcc0 FB |
1846 | { "no-code-copy", 0, NULL, 0 }, |
1847 | { "nics", 1, NULL, 0 }, | |
702c651c | 1848 | { "macaddr", 1, NULL, 0 }, |
f6bac380 FB |
1849 | { "user-net", 0, NULL, 0 }, |
1850 | { "dummy-net", 0, NULL, 0 }, | |
aaaa7df6 | 1851 | { "enable-audio", 0, NULL, 0 }, |
fc01f7e7 FB |
1852 | { NULL, 0, NULL, 0 }, |
1853 | }; | |
1854 | ||
77fef8c1 FB |
1855 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
1856 | ||
1857 | /* this stack is only used during signal handling */ | |
1858 | #define SIGNAL_STACK_SIZE 32768 | |
1859 | ||
1860 | static uint8_t *signal_stack; | |
1861 | ||
1862 | #endif | |
1863 | ||
c20709aa FB |
1864 | #define NET_IF_TUN 0 |
1865 | #define NET_IF_USER 1 | |
1866 | #define NET_IF_DUMMY 2 | |
1867 | ||
0824d6fc FB |
1868 | int main(int argc, char **argv) |
1869 | { | |
67b915a5 FB |
1870 | #ifdef CONFIG_GDBSTUB |
1871 | int use_gdbstub, gdbstub_port; | |
1872 | #endif | |
1873 | int c, i, long_index, has_cdrom; | |
1ccde1cb | 1874 | int snapshot, linux_boot; |
c45886db | 1875 | CPUState *env; |
7f7f9873 | 1876 | const char *initrd_filename; |
c45886db | 1877 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 1878 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 1879 | DisplayState *ds = &display_state; |
c4b1fcc0 | 1880 | int cyls, heads, secs; |
a541f297 | 1881 | int start_emulation = 1; |
702c651c | 1882 | uint8_t macaddr[6]; |
c20709aa FB |
1883 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
1884 | ||
67b915a5 | 1885 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
1886 | /* we never want that malloc() uses mmap() */ |
1887 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 1888 | #endif |
fc01f7e7 | 1889 | initrd_filename = NULL; |
c45886db FB |
1890 | for(i = 0; i < MAX_FD; i++) |
1891 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
1892 | for(i = 0; i < MAX_DISKS; i++) |
1893 | hd_filename[i] = NULL; | |
1ccde1cb | 1894 | ram_size = 32 * 1024 * 1024; |
313aa567 | 1895 | vga_ram_size = VGA_RAM_SIZE; |
f1510b2c | 1896 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 1897 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
1898 | use_gdbstub = 0; |
1899 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 1900 | #endif |
33e3963e | 1901 | snapshot = 0; |
a20dd508 FB |
1902 | nographic = 0; |
1903 | kernel_filename = NULL; | |
1904 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
1905 | has_cdrom = 1; |
1906 | cyls = heads = secs = 0; | |
1907 | ||
c20709aa FB |
1908 | nb_tun_fds = 0; |
1909 | net_if_type = -1; | |
c4b1fcc0 | 1910 | nb_nics = 1; |
702c651c FB |
1911 | /* default mac address of the first network interface */ |
1912 | macaddr[0] = 0x52; | |
1913 | macaddr[1] = 0x54; | |
1914 | macaddr[2] = 0x00; | |
1915 | macaddr[3] = 0x12; | |
1916 | macaddr[4] = 0x34; | |
1917 | macaddr[5] = 0x56; | |
c20709aa FB |
1918 | |
1919 | ||
0824d6fc | 1920 | for(;;) { |
a541f297 | 1921 | c = getopt_long_only(argc, argv, "hm:d:n:sp:L:S", long_options, &long_index); |
0824d6fc FB |
1922 | if (c == -1) |
1923 | break; | |
1924 | switch(c) { | |
fc01f7e7 FB |
1925 | case 0: |
1926 | switch(long_index) { | |
1927 | case 0: | |
1928 | initrd_filename = optarg; | |
1929 | break; | |
1930 | case 1: | |
1931 | hd_filename[0] = optarg; | |
1932 | break; | |
1933 | case 2: | |
1934 | hd_filename[1] = optarg; | |
1935 | break; | |
33e3963e FB |
1936 | case 3: |
1937 | snapshot = 1; | |
1938 | break; | |
330d0414 FB |
1939 | case 4: |
1940 | { | |
330d0414 FB |
1941 | const char *p; |
1942 | p = optarg; | |
1943 | cyls = strtol(p, (char **)&p, 0); | |
1944 | if (*p != ',') | |
1945 | goto chs_fail; | |
1946 | p++; | |
1947 | heads = strtol(p, (char **)&p, 0); | |
1948 | if (*p != ',') | |
1949 | goto chs_fail; | |
1950 | p++; | |
1951 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
1952 | if (*p != '\0') { |
1953 | chs_fail: | |
1954 | cyls = 0; | |
1955 | } | |
330d0414 FB |
1956 | } |
1957 | break; | |
313aa567 | 1958 | case 5: |
a20dd508 FB |
1959 | nographic = 1; |
1960 | break; | |
1961 | case 6: | |
1962 | kernel_filename = optarg; | |
1963 | break; | |
1964 | case 7: | |
1965 | kernel_cmdline = optarg; | |
313aa567 | 1966 | break; |
42f1e0e4 | 1967 | case 8: |
c4b1fcc0 FB |
1968 | { |
1969 | const char *p; | |
1970 | int fd; | |
c20709aa FB |
1971 | if (nb_tun_fds < MAX_NICS) { |
1972 | fd = strtol(optarg, (char **)&p, 0); | |
1973 | if (*p != '\0') { | |
1974 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
1975 | exit(1); |
1976 | } | |
c20709aa | 1977 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
1978 | } |
1979 | } | |
42f1e0e4 | 1980 | break; |
36b486bb FB |
1981 | case 9: |
1982 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1983 | has_cdrom = 0; |
36b486bb FB |
1984 | break; |
1985 | case 10: | |
1986 | hd_filename[3] = optarg; | |
1987 | break; | |
1988 | case 11: | |
1989 | hd_filename[2] = optarg; | |
c4b1fcc0 | 1990 | has_cdrom = 1; |
36b486bb FB |
1991 | break; |
1992 | case 12: | |
1993 | boot_device = optarg[0]; | |
c45886db FB |
1994 | if (boot_device != 'a' && boot_device != 'b' && |
1995 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
1996 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
1997 | exit(1); | |
1998 | } | |
1999 | break; | |
c45886db FB |
2000 | case 13: |
2001 | fd_filename[0] = optarg; | |
2002 | break; | |
2003 | case 14: | |
2004 | fd_filename[1] = optarg; | |
2005 | break; | |
77fef8c1 FB |
2006 | case 15: |
2007 | code_copy_enabled = 0; | |
2008 | break; | |
c4b1fcc0 FB |
2009 | case 16: |
2010 | nb_nics = atoi(optarg); | |
2011 | if (nb_nics < 1 || nb_nics > MAX_NICS) { | |
2012 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); | |
2013 | exit(1); | |
2014 | } | |
2015 | break; | |
702c651c FB |
2016 | case 17: |
2017 | { | |
2018 | const char *p; | |
2019 | int i; | |
2020 | p = optarg; | |
2021 | for(i = 0; i < 6; i++) { | |
2022 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2023 | if (i == 5) { | |
2024 | if (*p != '\0') | |
2025 | goto macaddr_error; | |
2026 | } else { | |
2027 | if (*p != ':') { | |
2028 | macaddr_error: | |
2029 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2030 | exit(1); | |
2031 | } | |
2032 | p++; | |
2033 | } | |
2034 | } | |
2035 | } | |
2036 | break; | |
c20709aa FB |
2037 | case 18: |
2038 | net_if_type = NET_IF_USER; | |
2039 | break; | |
2040 | case 19: | |
2041 | net_if_type = NET_IF_DUMMY; | |
2042 | break; | |
aaaa7df6 FB |
2043 | case 20: |
2044 | audio_enabled = 1; | |
2045 | break; | |
fc01f7e7 FB |
2046 | } |
2047 | break; | |
0824d6fc FB |
2048 | case 'h': |
2049 | help(); | |
2050 | break; | |
2051 | case 'm': | |
1ccde1cb FB |
2052 | ram_size = atoi(optarg) * 1024 * 1024; |
2053 | if (ram_size <= 0) | |
0824d6fc | 2054 | help(); |
1ccde1cb | 2055 | if (ram_size > PHYS_RAM_MAX_SIZE) { |
36b486bb | 2056 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", |
7916e224 FB |
2057 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
2058 | exit(1); | |
2059 | } | |
0824d6fc FB |
2060 | break; |
2061 | case 'd': | |
f193c797 FB |
2062 | { |
2063 | int mask; | |
2064 | CPULogItem *item; | |
2065 | ||
2066 | mask = cpu_str_to_log_mask(optarg); | |
2067 | if (!mask) { | |
2068 | printf("Log items (comma separated):\n"); | |
2069 | for(item = cpu_log_items; item->mask != 0; item++) { | |
2070 | printf("%-10s %s\n", item->name, item->help); | |
2071 | } | |
2072 | exit(1); | |
2073 | } | |
2074 | cpu_set_log(mask); | |
2075 | } | |
0824d6fc | 2076 | break; |
f1510b2c FB |
2077 | case 'n': |
2078 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2079 | break; | |
67b915a5 | 2080 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2081 | case 's': |
2082 | use_gdbstub = 1; | |
2083 | break; | |
2084 | case 'p': | |
2085 | gdbstub_port = atoi(optarg); | |
2086 | break; | |
67b915a5 | 2087 | #endif |
330d0414 | 2088 | case 'L': |
5a67135a | 2089 | bios_dir = optarg; |
330d0414 | 2090 | break; |
a541f297 FB |
2091 | case 'S': |
2092 | start_emulation = 0; | |
2093 | break; | |
0824d6fc FB |
2094 | } |
2095 | } | |
330d0414 | 2096 | |
a20dd508 FB |
2097 | if (optind < argc) { |
2098 | hd_filename[0] = argv[optind++]; | |
2099 | } | |
2100 | ||
2101 | linux_boot = (kernel_filename != NULL); | |
330d0414 | 2102 | |
c45886db FB |
2103 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2104 | fd_filename[0] == '\0') | |
0824d6fc | 2105 | help(); |
8f2b1fb0 FB |
2106 | |
2107 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2108 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2109 | if (fd_filename[0] != '\0') | |
2110 | boot_device = 'a'; | |
2111 | else | |
2112 | boot_device = 'd'; | |
2113 | } | |
0824d6fc | 2114 | |
dc887a4d FB |
2115 | #if !defined(CONFIG_SOFTMMU) |
2116 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2117 | { | |
2118 | static uint8_t stdout_buf[4096]; | |
2119 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2120 | } | |
2121 | #else | |
b118d61e | 2122 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2123 | #endif |
0824d6fc | 2124 | |
c4b1fcc0 | 2125 | /* init host network redirectors */ |
c20709aa FB |
2126 | if (net_if_type == -1) { |
2127 | net_if_type = NET_IF_TUN; | |
2128 | #if defined(CONFIG_SLIRP) | |
2129 | if (access(network_script, R_OK) < 0) { | |
2130 | net_if_type = NET_IF_USER; | |
2131 | } | |
2132 | #endif | |
2133 | } | |
2134 | ||
2135 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2136 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2137 | nd->index = i; |
702c651c FB |
2138 | /* init virtual mac address */ |
2139 | nd->macaddr[0] = macaddr[0]; | |
2140 | nd->macaddr[1] = macaddr[1]; | |
2141 | nd->macaddr[2] = macaddr[2]; | |
2142 | nd->macaddr[3] = macaddr[3]; | |
2143 | nd->macaddr[4] = macaddr[4]; | |
2144 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2145 | switch(net_if_type) { |
2146 | #if defined(CONFIG_SLIRP) | |
2147 | case NET_IF_USER: | |
2148 | net_slirp_init(nd); | |
2149 | break; | |
2150 | #endif | |
2151 | #if !defined(_WIN32) | |
2152 | case NET_IF_TUN: | |
2153 | if (i < nb_tun_fds) { | |
2154 | net_fd_init(nd, tun_fds[i]); | |
2155 | } else { | |
d927637d FB |
2156 | if (net_tun_init(nd) < 0) |
2157 | net_dummy_init(nd); | |
c20709aa FB |
2158 | } |
2159 | break; | |
2160 | #endif | |
2161 | case NET_IF_DUMMY: | |
2162 | default: | |
2163 | net_dummy_init(nd); | |
2164 | break; | |
2165 | } | |
702c651c | 2166 | } |
f1510b2c | 2167 | |
0824d6fc | 2168 | /* init the memory */ |
1ccde1cb | 2169 | phys_ram_size = ram_size + vga_ram_size; |
7f7f9873 FB |
2170 | |
2171 | #ifdef CONFIG_SOFTMMU | |
1ccde1cb | 2172 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7f7f9873 FB |
2173 | if (!phys_ram_base) { |
2174 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2175 | exit(1); |
2176 | } | |
7f7f9873 FB |
2177 | #else |
2178 | /* as we must map the same page at several addresses, we must use | |
2179 | a fd */ | |
2180 | { | |
2181 | const char *tmpdir; | |
2182 | ||
2183 | tmpdir = getenv("QEMU_TMPDIR"); | |
2184 | if (!tmpdir) | |
2185 | tmpdir = "/tmp"; | |
2186 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2187 | if (mkstemp(phys_ram_file) < 0) { | |
2188 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2189 | phys_ram_file); | |
2190 | exit(1); | |
2191 | } | |
2192 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2193 | if (phys_ram_fd < 0) { | |
2194 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2195 | phys_ram_file); | |
2196 | exit(1); | |
2197 | } | |
1ccde1cb | 2198 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2199 | unlink(phys_ram_file); |
1ccde1cb FB |
2200 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2201 | phys_ram_size, | |
7f7f9873 FB |
2202 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2203 | phys_ram_fd, 0); | |
2204 | if (phys_ram_base == MAP_FAILED) { | |
2205 | fprintf(stderr, "Could not map physical memory\n"); | |
2206 | exit(1); | |
2207 | } | |
2208 | } | |
2209 | #endif | |
0824d6fc | 2210 | |
c4b1fcc0 FB |
2211 | /* we always create the cdrom drive, even if no disk is there */ |
2212 | if (has_cdrom) { | |
2213 | bs_table[2] = bdrv_new("cdrom"); | |
2214 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2215 | } | |
2216 | ||
33e3963e FB |
2217 | /* open the virtual block devices */ |
2218 | for(i = 0; i < MAX_DISKS; i++) { | |
2219 | if (hd_filename[i]) { | |
33e3963e | 2220 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2221 | char buf[64]; |
2222 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2223 | bs_table[i] = bdrv_new(buf); | |
2224 | } | |
2225 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2226 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2227 | hd_filename[i]); |
2228 | exit(1); | |
2229 | } | |
c4b1fcc0 FB |
2230 | if (i == 0 && cyls != 0) |
2231 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2232 | } | |
2233 | } | |
2234 | ||
2235 | /* we always create at least one floppy disk */ | |
2236 | fd_table[0] = bdrv_new("fda"); | |
2237 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2238 | ||
2239 | for(i = 0; i < MAX_FD; i++) { | |
2240 | if (fd_filename[i]) { | |
2241 | if (!fd_table[i]) { | |
2242 | char buf[64]; | |
2243 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2244 | fd_table[i] = bdrv_new(buf); | |
2245 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2246 | } | |
2247 | if (fd_filename[i] != '\0') { | |
2248 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 2249 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
2250 | fd_filename[i]); |
2251 | exit(1); | |
2252 | } | |
2253 | } | |
33e3963e FB |
2254 | } |
2255 | } | |
2256 | ||
330d0414 FB |
2257 | /* init CPU state */ |
2258 | env = cpu_init(); | |
2259 | global_env = env; | |
2260 | cpu_single_env = env; | |
2261 | ||
8a7ddc38 FB |
2262 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2263 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
2264 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
2265 | ||
330d0414 | 2266 | init_ioports(); |
80cabfad | 2267 | cpu_calibrate_ticks(); |
0824d6fc | 2268 | |
313aa567 | 2269 | /* terminal init */ |
a20dd508 | 2270 | if (nographic) { |
313aa567 FB |
2271 | dumb_display_init(ds); |
2272 | } else { | |
2273 | #ifdef CONFIG_SDL | |
2274 | sdl_display_init(ds); | |
313aa567 FB |
2275 | #else |
2276 | dumb_display_init(ds); | |
2277 | #endif | |
2278 | } | |
0824d6fc | 2279 | |
0824d6fc | 2280 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2281 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2282 | |
77fef8c1 FB |
2283 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2284 | { | |
2285 | stack_t stk; | |
73332e5c | 2286 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2287 | stk.ss_sp = signal_stack; |
2288 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2289 | stk.ss_flags = 0; | |
2290 | ||
2291 | if (sigaltstack(&stk, NULL) < 0) { | |
2292 | perror("sigaltstack"); | |
2293 | exit(1); | |
2294 | } | |
2295 | } | |
2296 | #endif | |
8a7ddc38 FB |
2297 | { |
2298 | struct sigaction act; | |
77fef8c1 | 2299 | |
8a7ddc38 FB |
2300 | sigfillset(&act.sa_mask); |
2301 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2302 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2303 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2304 | #endif |
8a7ddc38 FB |
2305 | act.sa_sigaction = host_segv_handler; |
2306 | sigaction(SIGSEGV, &act, NULL); | |
2307 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2308 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2309 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2310 | #endif |
8a7ddc38 | 2311 | } |
3a51dee6 | 2312 | #endif |
0824d6fc | 2313 | |
67b915a5 | 2314 | #ifndef _WIN32 |
8a7ddc38 FB |
2315 | { |
2316 | struct sigaction act; | |
2317 | sigfillset(&act.sa_mask); | |
2318 | act.sa_flags = 0; | |
2319 | act.sa_handler = SIG_IGN; | |
2320 | sigaction(SIGPIPE, &act, NULL); | |
2321 | } | |
67b915a5 | 2322 | #endif |
73332e5c FB |
2323 | init_timers(); |
2324 | ||
2325 | #if defined(TARGET_I386) | |
2326 | pc_init(ram_size, vga_ram_size, boot_device, | |
2327 | ds, fd_filename, snapshot, | |
2328 | kernel_filename, kernel_cmdline, initrd_filename); | |
2329 | #elif defined(TARGET_PPC) | |
a541f297 FB |
2330 | ppc_init(ram_size, vga_ram_size, boot_device, |
2331 | ds, fd_filename, snapshot, | |
2332 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
2333 | #endif |
2334 | ||
2335 | /* launched after the device init so that it can display or not a | |
2336 | banner */ | |
2337 | monitor_init(); | |
0824d6fc | 2338 | |
8a7ddc38 FB |
2339 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2340 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2341 | |
67b915a5 | 2342 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2343 | if (use_gdbstub) { |
8a7ddc38 FB |
2344 | if (gdbserver_start(gdbstub_port) < 0) { |
2345 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2346 | gdbstub_port); | |
2347 | exit(1); | |
2348 | } else { | |
2349 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2350 | } | |
67b915a5 FB |
2351 | } else |
2352 | #endif | |
a541f297 | 2353 | if (start_emulation) |
67b915a5 | 2354 | { |
8a7ddc38 | 2355 | vm_start(); |
0824d6fc | 2356 | } |
8a7ddc38 FB |
2357 | term_init(); |
2358 | main_loop(); | |
40c3bac3 | 2359 | quit_timers(); |
0824d6fc FB |
2360 | return 0; |
2361 | } |