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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> | |
fd872598 | 46 | #include <linux/rtc.h> |
67b915a5 FB |
47 | #endif |
48 | ||
c20709aa FB |
49 | #if defined(CONFIG_SLIRP) |
50 | #include "libslirp.h" | |
51 | #endif | |
52 | ||
67b915a5 FB |
53 | #ifdef _WIN32 |
54 | #include <sys/timeb.h> | |
55 | #include <windows.h> | |
56 | #define getopt_long_only getopt_long | |
57 | #define memalign(align, size) malloc(size) | |
58 | #endif | |
59 | ||
73332e5c FB |
60 | #ifdef CONFIG_SDL |
61 | /* SDL use the pthreads and they modify sigaction. We don't | |
62 | want that. */ | |
63 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) | |
64 | extern void __libc_sigaction(); | |
65 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
66 | #else | |
67 | extern void __sigaction(); | |
68 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
69 | #endif | |
70 | #endif /* CONFIG_SDL */ | |
0824d6fc | 71 | |
0824d6fc | 72 | #include "disas.h" |
fc01f7e7 | 73 | |
8a7ddc38 | 74 | #include "exec-all.h" |
0824d6fc | 75 | |
a541f297 FB |
76 | //#define DO_TB_FLUSH |
77 | ||
5a67135a | 78 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 79 | |
0824d6fc | 80 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 81 | //#define DEBUG_IOPORT |
330d0414 | 82 | |
bb551faa | 83 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 84 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
85 | #else |
86 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
87 | #endif | |
7916e224 | 88 | |
8a7ddc38 FB |
89 | /* in ms */ |
90 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 91 | |
7dea1da4 FB |
92 | /* XXX: use a two level table to limit memory usage */ |
93 | #define MAX_IOPORTS 65536 | |
0824d6fc | 94 | |
80cabfad | 95 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 96 | char phys_ram_file[1024]; |
c45886db FB |
97 | CPUState *global_env; |
98 | CPUState *cpu_single_env; | |
c4b1fcc0 | 99 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
100 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
101 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 102 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 FB |
103 | int vga_ram_size; |
104 | static DisplayState display_state; | |
a20dd508 | 105 | int nographic; |
313aa567 | 106 | int64_t ticks_per_sec; |
36b486bb | 107 | int boot_device = 'c'; |
1ccde1cb | 108 | static int ram_size; |
80cabfad FB |
109 | static char network_script[1024]; |
110 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
111 | int nb_nics; |
112 | NetDriverState nd_table[MAX_NICS]; | |
113 | SerialState *serial_console; | |
8a7ddc38 FB |
114 | QEMUTimer *gui_timer; |
115 | int vm_running; | |
aaaa7df6 | 116 | int audio_enabled = 0; |
0824d6fc FB |
117 | |
118 | /***********************************************************/ | |
26aa7d72 FB |
119 | /* x86 ISA bus support */ |
120 | ||
121 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 122 | |
c4b1fcc0 | 123 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
124 | { |
125 | #ifdef DEBUG_UNUSED_IOPORT | |
126 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
127 | #endif | |
fc01f7e7 | 128 | return 0xff; |
0824d6fc FB |
129 | } |
130 | ||
c4b1fcc0 | 131 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
132 | { |
133 | #ifdef DEBUG_UNUSED_IOPORT | |
134 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
135 | #endif | |
136 | } | |
137 | ||
138 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 139 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
140 | { |
141 | uint32_t data; | |
c4b1fcc0 FB |
142 | data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address); |
143 | data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8; | |
0824d6fc FB |
144 | return data; |
145 | } | |
146 | ||
c4b1fcc0 | 147 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 148 | { |
c4b1fcc0 FB |
149 | ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff); |
150 | ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff); | |
0824d6fc FB |
151 | } |
152 | ||
c4b1fcc0 | 153 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 154 | { |
fc01f7e7 FB |
155 | #ifdef DEBUG_UNUSED_IOPORT |
156 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
157 | #endif | |
158 | return 0xffffffff; | |
0824d6fc FB |
159 | } |
160 | ||
c4b1fcc0 | 161 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 162 | { |
fc01f7e7 FB |
163 | #ifdef DEBUG_UNUSED_IOPORT |
164 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
165 | #endif | |
0824d6fc FB |
166 | } |
167 | ||
fc01f7e7 | 168 | void init_ioports(void) |
0824d6fc FB |
169 | { |
170 | int i; | |
171 | ||
fc01f7e7 FB |
172 | for(i = 0; i < MAX_IOPORTS; i++) { |
173 | ioport_read_table[0][i] = default_ioport_readb; | |
174 | ioport_write_table[0][i] = default_ioport_writeb; | |
175 | ioport_read_table[1][i] = default_ioport_readw; | |
176 | ioport_write_table[1][i] = default_ioport_writew; | |
177 | ioport_read_table[2][i] = default_ioport_readl; | |
178 | ioport_write_table[2][i] = default_ioport_writel; | |
179 | } | |
0824d6fc FB |
180 | } |
181 | ||
fc01f7e7 | 182 | /* size is the word size in byte */ |
c4b1fcc0 FB |
183 | int register_ioport_read(int start, int length, int size, |
184 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 185 | { |
fc01f7e7 | 186 | int i, bsize; |
f1510b2c | 187 | |
c4b1fcc0 | 188 | if (size == 1) { |
fc01f7e7 | 189 | bsize = 0; |
c4b1fcc0 | 190 | } else if (size == 2) { |
fc01f7e7 | 191 | bsize = 1; |
c4b1fcc0 | 192 | } else if (size == 4) { |
fc01f7e7 | 193 | bsize = 2; |
c4b1fcc0 FB |
194 | } else { |
195 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 196 | return -1; |
c4b1fcc0 FB |
197 | } |
198 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 199 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
200 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
201 | hw_error("register_ioport_read: invalid opaque"); | |
202 | ioport_opaque[i] = opaque; | |
203 | } | |
f1510b2c FB |
204 | return 0; |
205 | } | |
206 | ||
fc01f7e7 | 207 | /* size is the word size in byte */ |
c4b1fcc0 FB |
208 | int register_ioport_write(int start, int length, int size, |
209 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 210 | { |
fc01f7e7 | 211 | int i, bsize; |
f1510b2c | 212 | |
c4b1fcc0 | 213 | if (size == 1) { |
fc01f7e7 | 214 | bsize = 0; |
c4b1fcc0 | 215 | } else if (size == 2) { |
fc01f7e7 | 216 | bsize = 1; |
c4b1fcc0 | 217 | } else if (size == 4) { |
fc01f7e7 | 218 | bsize = 2; |
c4b1fcc0 FB |
219 | } else { |
220 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 221 | return -1; |
c4b1fcc0 FB |
222 | } |
223 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 224 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
225 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
226 | hw_error("register_ioport_read: invalid opaque"); | |
227 | ioport_opaque[i] = opaque; | |
228 | } | |
f1510b2c FB |
229 | return 0; |
230 | } | |
231 | ||
0824d6fc FB |
232 | void pstrcpy(char *buf, int buf_size, const char *str) |
233 | { | |
234 | int c; | |
235 | char *q = buf; | |
236 | ||
237 | if (buf_size <= 0) | |
238 | return; | |
239 | ||
240 | for(;;) { | |
241 | c = *str++; | |
242 | if (c == 0 || q >= buf + buf_size - 1) | |
243 | break; | |
244 | *q++ = c; | |
245 | } | |
246 | *q = '\0'; | |
247 | } | |
248 | ||
249 | /* strcat and truncate. */ | |
250 | char *pstrcat(char *buf, int buf_size, const char *s) | |
251 | { | |
252 | int len; | |
253 | len = strlen(buf); | |
254 | if (len < buf_size) | |
255 | pstrcpy(buf + len, buf_size - len, s); | |
256 | return buf; | |
257 | } | |
258 | ||
0824d6fc FB |
259 | /* return the size or -1 if error */ |
260 | int load_image(const char *filename, uint8_t *addr) | |
261 | { | |
262 | int fd, size; | |
40c3bac3 | 263 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
264 | if (fd < 0) |
265 | return -1; | |
266 | size = lseek(fd, 0, SEEK_END); | |
267 | lseek(fd, 0, SEEK_SET); | |
268 | if (read(fd, addr, size) != size) { | |
269 | close(fd); | |
270 | return -1; | |
271 | } | |
272 | close(fd); | |
273 | return size; | |
274 | } | |
275 | ||
c45886db | 276 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 277 | { |
c4b1fcc0 | 278 | addr &= (MAX_IOPORTS - 1); |
fd872598 FB |
279 | #ifdef DEBUG_IOPORT |
280 | if (loglevel & CPU_LOG_IOPORT) | |
281 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
282 | #endif | |
c4b1fcc0 | 283 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
284 | } |
285 | ||
c45886db | 286 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 287 | { |
c4b1fcc0 | 288 | addr &= (MAX_IOPORTS - 1); |
fd872598 FB |
289 | #ifdef DEBUG_IOPORT |
290 | if (loglevel & CPU_LOG_IOPORT) | |
291 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
292 | #endif | |
c4b1fcc0 | 293 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
294 | } |
295 | ||
c45886db | 296 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 297 | { |
c4b1fcc0 | 298 | addr &= (MAX_IOPORTS - 1); |
fd872598 FB |
299 | #ifdef DEBUG_IOPORT |
300 | if (loglevel & CPU_LOG_IOPORT) | |
301 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
302 | #endif | |
c4b1fcc0 | 303 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
304 | } |
305 | ||
c45886db | 306 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 307 | { |
fd872598 | 308 | int val; |
c4b1fcc0 | 309 | addr &= (MAX_IOPORTS - 1); |
fd872598 FB |
310 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
311 | #ifdef DEBUG_IOPORT | |
312 | if (loglevel & CPU_LOG_IOPORT) | |
313 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
314 | #endif | |
315 | return val; | |
0824d6fc FB |
316 | } |
317 | ||
c45886db | 318 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 319 | { |
fd872598 | 320 | int val; |
c4b1fcc0 | 321 | addr &= (MAX_IOPORTS - 1); |
fd872598 FB |
322 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
323 | #ifdef DEBUG_IOPORT | |
324 | if (loglevel & CPU_LOG_IOPORT) | |
325 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
326 | #endif | |
327 | return val; | |
0824d6fc FB |
328 | } |
329 | ||
c45886db | 330 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 331 | { |
fd872598 | 332 | int val; |
c4b1fcc0 | 333 | addr &= (MAX_IOPORTS - 1); |
fd872598 FB |
334 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
335 | #ifdef DEBUG_IOPORT | |
336 | if (loglevel & CPU_LOG_IOPORT) | |
337 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
338 | #endif | |
339 | return val; | |
0824d6fc FB |
340 | } |
341 | ||
342 | /***********************************************************/ | |
0824d6fc FB |
343 | void hw_error(const char *fmt, ...) |
344 | { | |
345 | va_list ap; | |
346 | ||
347 | va_start(ap, fmt); | |
348 | fprintf(stderr, "qemu: hardware error: "); | |
349 | vfprintf(stderr, fmt, ap); | |
350 | fprintf(stderr, "\n"); | |
351 | #ifdef TARGET_I386 | |
352 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
353 | #else |
354 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
355 | #endif |
356 | va_end(ap); | |
357 | abort(); | |
358 | } | |
359 | ||
8a7ddc38 FB |
360 | /***********************************************************/ |
361 | /* timers */ | |
362 | ||
34865134 FB |
363 | #if defined(__powerpc__) |
364 | ||
365 | static inline uint32_t get_tbl(void) | |
0824d6fc | 366 | { |
34865134 FB |
367 | uint32_t tbl; |
368 | asm volatile("mftb %0" : "=r" (tbl)); | |
369 | return tbl; | |
0824d6fc FB |
370 | } |
371 | ||
34865134 FB |
372 | static inline uint32_t get_tbu(void) |
373 | { | |
374 | uint32_t tbl; | |
375 | asm volatile("mftbu %0" : "=r" (tbl)); | |
376 | return tbl; | |
377 | } | |
378 | ||
379 | int64_t cpu_get_real_ticks(void) | |
380 | { | |
381 | uint32_t l, h, h1; | |
382 | /* NOTE: we test if wrapping has occurred */ | |
383 | do { | |
384 | h = get_tbu(); | |
385 | l = get_tbl(); | |
386 | h1 = get_tbu(); | |
387 | } while (h != h1); | |
388 | return ((int64_t)h << 32) | l; | |
389 | } | |
390 | ||
391 | #elif defined(__i386__) | |
392 | ||
393 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
394 | { |
395 | int64_t val; | |
e463b581 | 396 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
397 | return val; |
398 | } | |
399 | ||
1115dde7 FB |
400 | #elif defined(__x86_64__) |
401 | ||
402 | int64_t cpu_get_real_ticks(void) | |
403 | { | |
404 | uint32_t low,high; | |
405 | int64_t val; | |
406 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
407 | val = high; | |
408 | val <<= 32; | |
409 | val |= low; | |
410 | return val; | |
411 | } | |
412 | ||
34865134 FB |
413 | #else |
414 | #error unsupported CPU | |
415 | #endif | |
416 | ||
417 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 418 | static int cpu_ticks_enabled; |
34865134 | 419 | |
8a7ddc38 | 420 | static inline int64_t cpu_get_ticks(void) |
34865134 | 421 | { |
8a7ddc38 FB |
422 | if (!cpu_ticks_enabled) { |
423 | return cpu_ticks_offset; | |
424 | } else { | |
425 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
426 | } | |
34865134 FB |
427 | } |
428 | ||
429 | /* enable cpu_get_ticks() */ | |
430 | void cpu_enable_ticks(void) | |
431 | { | |
8a7ddc38 FB |
432 | if (!cpu_ticks_enabled) { |
433 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
434 | cpu_ticks_enabled = 1; | |
435 | } | |
34865134 FB |
436 | } |
437 | ||
438 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
439 | cpu_get_ticks() after that. */ | |
440 | void cpu_disable_ticks(void) | |
441 | { | |
8a7ddc38 FB |
442 | if (cpu_ticks_enabled) { |
443 | cpu_ticks_offset = cpu_get_ticks(); | |
444 | cpu_ticks_enabled = 0; | |
445 | } | |
34865134 FB |
446 | } |
447 | ||
67b915a5 | 448 | static int64_t get_clock(void) |
34865134 | 449 | { |
67b915a5 FB |
450 | #ifdef _WIN32 |
451 | struct _timeb tb; | |
452 | _ftime(&tb); | |
453 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
454 | #else | |
34865134 FB |
455 | struct timeval tv; |
456 | gettimeofday(&tv, NULL); | |
457 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 458 | #endif |
34865134 FB |
459 | } |
460 | ||
0824d6fc FB |
461 | void cpu_calibrate_ticks(void) |
462 | { | |
463 | int64_t usec, ticks; | |
464 | ||
465 | usec = get_clock(); | |
8a7ddc38 | 466 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
467 | #ifdef _WIN32 |
468 | Sleep(50); | |
469 | #else | |
0824d6fc | 470 | usleep(50 * 1000); |
67b915a5 | 471 | #endif |
0824d6fc | 472 | usec = get_clock() - usec; |
8a7ddc38 | 473 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
474 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
475 | } | |
476 | ||
87858c89 | 477 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 478 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
479 | { |
480 | union { | |
481 | uint64_t ll; | |
482 | struct { | |
483 | #ifdef WORDS_BIGENDIAN | |
484 | uint32_t high, low; | |
485 | #else | |
486 | uint32_t low, high; | |
487 | #endif | |
488 | } l; | |
489 | } u, res; | |
490 | uint64_t rl, rh; | |
491 | ||
492 | u.ll = a; | |
493 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
494 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
495 | rh += (rl >> 32); | |
496 | res.l.high = rh / c; | |
497 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
498 | return res.ll; | |
499 | } | |
500 | ||
8a7ddc38 FB |
501 | #define QEMU_TIMER_REALTIME 0 |
502 | #define QEMU_TIMER_VIRTUAL 1 | |
503 | ||
504 | struct QEMUClock { | |
505 | int type; | |
506 | /* XXX: add frequency */ | |
507 | }; | |
508 | ||
509 | struct QEMUTimer { | |
510 | QEMUClock *clock; | |
511 | int64_t expire_time; | |
512 | QEMUTimerCB *cb; | |
513 | void *opaque; | |
514 | struct QEMUTimer *next; | |
515 | }; | |
516 | ||
517 | QEMUClock *rt_clock; | |
518 | QEMUClock *vm_clock; | |
519 | ||
520 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
521 | #ifdef _WIN32 |
522 | static MMRESULT timerID; | |
523 | #else | |
8a7ddc38 FB |
524 | /* frequency of the times() clock tick */ |
525 | static int timer_freq; | |
67b915a5 | 526 | #endif |
8a7ddc38 FB |
527 | |
528 | QEMUClock *qemu_new_clock(int type) | |
529 | { | |
530 | QEMUClock *clock; | |
531 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
532 | if (!clock) | |
533 | return NULL; | |
534 | clock->type = type; | |
535 | return clock; | |
536 | } | |
537 | ||
538 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
539 | { | |
540 | QEMUTimer *ts; | |
541 | ||
542 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
543 | ts->clock = clock; | |
544 | ts->cb = cb; | |
545 | ts->opaque = opaque; | |
546 | return ts; | |
547 | } | |
548 | ||
549 | void qemu_free_timer(QEMUTimer *ts) | |
550 | { | |
551 | qemu_free(ts); | |
552 | } | |
553 | ||
554 | /* stop a timer, but do not dealloc it */ | |
555 | void qemu_del_timer(QEMUTimer *ts) | |
556 | { | |
557 | QEMUTimer **pt, *t; | |
558 | ||
559 | /* NOTE: this code must be signal safe because | |
560 | qemu_timer_expired() can be called from a signal. */ | |
561 | pt = &active_timers[ts->clock->type]; | |
562 | for(;;) { | |
563 | t = *pt; | |
564 | if (!t) | |
565 | break; | |
566 | if (t == ts) { | |
567 | *pt = t->next; | |
568 | break; | |
569 | } | |
570 | pt = &t->next; | |
571 | } | |
572 | } | |
573 | ||
574 | /* modify the current timer so that it will be fired when current_time | |
575 | >= expire_time. The corresponding callback will be called. */ | |
576 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
577 | { | |
578 | QEMUTimer **pt, *t; | |
579 | ||
580 | qemu_del_timer(ts); | |
581 | ||
582 | /* add the timer in the sorted list */ | |
583 | /* NOTE: this code must be signal safe because | |
584 | qemu_timer_expired() can be called from a signal. */ | |
585 | pt = &active_timers[ts->clock->type]; | |
586 | for(;;) { | |
587 | t = *pt; | |
588 | if (!t) | |
589 | break; | |
590 | if (t->expire_time > expire_time) | |
591 | break; | |
592 | pt = &t->next; | |
593 | } | |
594 | ts->expire_time = expire_time; | |
595 | ts->next = *pt; | |
596 | *pt = ts; | |
597 | } | |
598 | ||
599 | int qemu_timer_pending(QEMUTimer *ts) | |
600 | { | |
601 | QEMUTimer *t; | |
602 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
603 | if (t == ts) | |
604 | return 1; | |
605 | } | |
606 | return 0; | |
607 | } | |
608 | ||
609 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
610 | { | |
611 | if (!timer_head) | |
612 | return 0; | |
613 | return (timer_head->expire_time <= current_time); | |
614 | } | |
615 | ||
616 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
617 | { | |
618 | QEMUTimer *ts; | |
619 | ||
620 | for(;;) { | |
621 | ts = *ptimer_head; | |
622 | if (ts->expire_time > current_time) | |
623 | break; | |
624 | /* remove timer from the list before calling the callback */ | |
625 | *ptimer_head = ts->next; | |
626 | ts->next = NULL; | |
627 | ||
628 | /* run the callback (the timer list can be modified) */ | |
629 | ts->cb(ts->opaque); | |
630 | } | |
631 | } | |
632 | ||
633 | int64_t qemu_get_clock(QEMUClock *clock) | |
634 | { | |
635 | switch(clock->type) { | |
636 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
637 | #ifdef _WIN32 |
638 | return GetTickCount(); | |
639 | #else | |
8a7ddc38 FB |
640 | /* XXX: portability among Linux hosts */ |
641 | if (timer_freq == 100) { | |
642 | return times(NULL) * 10; | |
643 | } else { | |
644 | return ((int64_t)times(NULL) * 1000) / timer_freq; | |
645 | } | |
67b915a5 | 646 | #endif |
8a7ddc38 FB |
647 | default: |
648 | case QEMU_TIMER_VIRTUAL: | |
649 | return cpu_get_ticks(); | |
650 | } | |
651 | } | |
652 | ||
653 | /* save a timer */ | |
654 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
655 | { | |
656 | uint64_t expire_time; | |
657 | ||
658 | if (qemu_timer_pending(ts)) { | |
659 | expire_time = ts->expire_time; | |
660 | } else { | |
661 | expire_time = -1; | |
662 | } | |
663 | qemu_put_be64(f, expire_time); | |
664 | } | |
665 | ||
666 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
667 | { | |
668 | uint64_t expire_time; | |
669 | ||
670 | expire_time = qemu_get_be64(f); | |
671 | if (expire_time != -1) { | |
672 | qemu_mod_timer(ts, expire_time); | |
673 | } else { | |
674 | qemu_del_timer(ts); | |
675 | } | |
676 | } | |
677 | ||
678 | static void timer_save(QEMUFile *f, void *opaque) | |
679 | { | |
680 | if (cpu_ticks_enabled) { | |
681 | hw_error("cannot save state if virtual timers are running"); | |
682 | } | |
683 | qemu_put_be64s(f, &cpu_ticks_offset); | |
684 | qemu_put_be64s(f, &ticks_per_sec); | |
685 | } | |
686 | ||
687 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
688 | { | |
689 | if (version_id != 1) | |
690 | return -EINVAL; | |
691 | if (cpu_ticks_enabled) { | |
692 | return -EINVAL; | |
693 | } | |
694 | qemu_get_be64s(f, &cpu_ticks_offset); | |
695 | qemu_get_be64s(f, &ticks_per_sec); | |
696 | return 0; | |
697 | } | |
698 | ||
67b915a5 FB |
699 | #ifdef _WIN32 |
700 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
701 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
702 | #else | |
8a7ddc38 | 703 | static void host_alarm_handler(int host_signum) |
67b915a5 | 704 | #endif |
8a7ddc38 FB |
705 | { |
706 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
707 | qemu_get_clock(vm_clock)) || | |
708 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
709 | qemu_get_clock(rt_clock))) { | |
710 | /* stop the cpu because a timer occured */ | |
711 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
712 | } | |
713 | } | |
714 | ||
fd872598 FB |
715 | #ifndef _WIN32 |
716 | ||
717 | #define RTC_FREQ 1024 | |
718 | ||
719 | static int rtc_fd; | |
720 | ||
721 | static int start_rtc_timer(void) | |
722 | { | |
723 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
724 | if (rtc_fd < 0) | |
725 | return -1; | |
726 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
727 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
728 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
729 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
730 | goto fail; | |
731 | } | |
732 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
733 | fail: | |
734 | close(rtc_fd); | |
735 | return -1; | |
736 | } | |
737 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
738 | return 0; | |
739 | } | |
740 | ||
741 | #endif | |
742 | ||
8a7ddc38 FB |
743 | static void init_timers(void) |
744 | { | |
8a7ddc38 FB |
745 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
746 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
747 | ||
67b915a5 FB |
748 | #ifdef _WIN32 |
749 | { | |
750 | int count=0; | |
40c3bac3 FB |
751 | timerID = timeSetEvent(10, // interval (ms) |
752 | 0, // resolution | |
753 | host_alarm_handler, // function | |
754 | (DWORD)&count, // user parameter | |
755 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
756 | if( !timerID ) { |
757 | perror("failed timer alarm"); | |
758 | exit(1); | |
759 | } | |
760 | } | |
761 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
762 | #else | |
763 | { | |
764 | struct sigaction act; | |
765 | struct itimerval itv; | |
766 | ||
767 | /* get times() syscall frequency */ | |
768 | timer_freq = sysconf(_SC_CLK_TCK); | |
769 | ||
770 | /* timer signal */ | |
771 | sigfillset(&act.sa_mask); | |
772 | act.sa_flags = 0; | |
8a7ddc38 | 773 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
774 | act.sa_flags |= SA_ONSTACK; |
775 | #endif | |
776 | act.sa_handler = host_alarm_handler; | |
777 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 778 | |
67b915a5 FB |
779 | itv.it_interval.tv_sec = 0; |
780 | itv.it_interval.tv_usec = 1000; | |
781 | itv.it_value.tv_sec = 0; | |
782 | itv.it_value.tv_usec = 10 * 1000; | |
783 | setitimer(ITIMER_REAL, &itv, NULL); | |
784 | /* we probe the tick duration of the kernel to inform the user if | |
785 | the emulated kernel requested a too high timer frequency */ | |
786 | getitimer(ITIMER_REAL, &itv); | |
fd872598 FB |
787 | |
788 | if (itv.it_interval.tv_usec > 1000) { | |
789 | /* try to use /dev/rtc to have a faster timer */ | |
790 | if (start_rtc_timer() < 0) | |
791 | goto use_itimer; | |
792 | /* disable itimer */ | |
793 | itv.it_interval.tv_sec = 0; | |
794 | itv.it_interval.tv_usec = 0; | |
795 | itv.it_value.tv_sec = 0; | |
796 | itv.it_value.tv_usec = 0; | |
797 | setitimer(ITIMER_REAL, &itv, NULL); | |
798 | ||
799 | /* use the RTC */ | |
800 | sigaction(SIGIO, &act, NULL); | |
801 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
802 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
803 | } else { | |
804 | use_itimer: | |
805 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
806 | PIT_FREQ) / 1000000; | |
807 | } | |
67b915a5 | 808 | } |
8a7ddc38 | 809 | #endif |
8a7ddc38 FB |
810 | } |
811 | ||
40c3bac3 FB |
812 | void quit_timers(void) |
813 | { | |
814 | #ifdef _WIN32 | |
815 | timeKillEvent(timerID); | |
816 | #endif | |
817 | } | |
818 | ||
c4b1fcc0 FB |
819 | /***********************************************************/ |
820 | /* serial device */ | |
313aa567 | 821 | |
67b915a5 FB |
822 | #ifdef _WIN32 |
823 | ||
824 | int serial_open_device(void) | |
825 | { | |
826 | return -1; | |
827 | } | |
828 | ||
829 | #else | |
830 | ||
c4b1fcc0 | 831 | int serial_open_device(void) |
313aa567 | 832 | { |
c4b1fcc0 FB |
833 | char slave_name[1024]; |
834 | int master_fd, slave_fd; | |
313aa567 | 835 | |
c4b1fcc0 FB |
836 | if (serial_console == NULL && nographic) { |
837 | /* use console for serial port */ | |
838 | return 0; | |
80cabfad | 839 | } else { |
c4b1fcc0 FB |
840 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
841 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
842 | return -1; | |
843 | } | |
844 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
845 | return master_fd; | |
330d0414 | 846 | } |
330d0414 FB |
847 | } |
848 | ||
67b915a5 FB |
849 | #endif |
850 | ||
80cabfad | 851 | /***********************************************************/ |
c20709aa | 852 | /* Linux network device redirectors */ |
330d0414 | 853 | |
c20709aa FB |
854 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
855 | { | |
856 | int len, i, j, c; | |
857 | ||
858 | for(i=0;i<size;i+=16) { | |
859 | len = size - i; | |
860 | if (len > 16) | |
861 | len = 16; | |
862 | fprintf(f, "%08x ", i); | |
863 | for(j=0;j<16;j++) { | |
864 | if (j < len) | |
865 | fprintf(f, " %02x", buf[i+j]); | |
866 | else | |
867 | fprintf(f, " "); | |
868 | } | |
869 | fprintf(f, " "); | |
870 | for(j=0;j<len;j++) { | |
871 | c = buf[i+j]; | |
872 | if (c < ' ' || c > '~') | |
873 | c = '.'; | |
874 | fprintf(f, "%c", c); | |
875 | } | |
876 | fprintf(f, "\n"); | |
877 | } | |
878 | } | |
879 | ||
880 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
881 | { | |
882 | nd->send_packet(nd, buf, size); | |
883 | } | |
67b915a5 | 884 | |
c20709aa FB |
885 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
886 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 887 | { |
c20709aa FB |
888 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
889 | } | |
890 | ||
891 | /* dummy network adapter */ | |
892 | ||
893 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
894 | { | |
895 | } | |
896 | ||
897 | static void dummy_add_read_packet(NetDriverState *nd, | |
898 | IOCanRWHandler *fd_can_read, | |
899 | IOReadHandler *fd_read, void *opaque) | |
900 | { | |
901 | } | |
902 | ||
903 | static int net_dummy_init(NetDriverState *nd) | |
904 | { | |
905 | nd->send_packet = dummy_send_packet; | |
906 | nd->add_read_packet = dummy_add_read_packet; | |
907 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
908 | return 0; |
909 | } | |
910 | ||
c20709aa FB |
911 | #if defined(CONFIG_SLIRP) |
912 | ||
913 | /* slirp network adapter */ | |
914 | ||
915 | static void *slirp_fd_opaque; | |
916 | static IOCanRWHandler *slirp_fd_can_read; | |
917 | static IOReadHandler *slirp_fd_read; | |
918 | static int slirp_inited; | |
919 | ||
920 | int slirp_can_output(void) | |
921 | { | |
922 | return slirp_fd_can_read(slirp_fd_opaque); | |
923 | } | |
924 | ||
925 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 926 | { |
c20709aa FB |
927 | #if 0 |
928 | printf("output:\n"); | |
929 | hex_dump(stdout, pkt, pkt_len); | |
930 | #endif | |
931 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
932 | } |
933 | ||
c20709aa FB |
934 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
935 | { | |
936 | #if 0 | |
937 | printf("input:\n"); | |
938 | hex_dump(stdout, buf, size); | |
939 | #endif | |
940 | slirp_input(buf, size); | |
941 | } | |
942 | ||
943 | static void slirp_add_read_packet(NetDriverState *nd, | |
944 | IOCanRWHandler *fd_can_read, | |
945 | IOReadHandler *fd_read, void *opaque) | |
946 | { | |
947 | slirp_fd_opaque = opaque; | |
948 | slirp_fd_can_read = fd_can_read; | |
949 | slirp_fd_read = fd_read; | |
950 | } | |
951 | ||
952 | static int net_slirp_init(NetDriverState *nd) | |
953 | { | |
954 | if (!slirp_inited) { | |
955 | slirp_inited = 1; | |
956 | slirp_init(); | |
957 | } | |
958 | nd->send_packet = slirp_send_packet; | |
959 | nd->add_read_packet = slirp_add_read_packet; | |
960 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
961 | return 0; | |
962 | } | |
963 | ||
964 | #endif /* CONFIG_SLIRP */ | |
965 | ||
966 | #if !defined(_WIN32) | |
67b915a5 | 967 | |
c4b1fcc0 | 968 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 969 | { |
80cabfad | 970 | struct ifreq ifr; |
c4b1fcc0 | 971 | int fd, ret; |
80cabfad FB |
972 | |
973 | fd = open("/dev/net/tun", O_RDWR); | |
974 | if (fd < 0) { | |
975 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
976 | return -1; | |
330d0414 | 977 | } |
80cabfad FB |
978 | memset(&ifr, 0, sizeof(ifr)); |
979 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
980 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
981 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
982 | if (ret != 0) { | |
983 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
984 | close(fd); | |
985 | return -1; | |
986 | } | |
987 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 988 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 989 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
990 | return fd; |
991 | } | |
330d0414 | 992 | |
c20709aa FB |
993 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
994 | { | |
995 | write(nd->fd, buf, size); | |
996 | } | |
997 | ||
998 | static void tun_add_read_packet(NetDriverState *nd, | |
999 | IOCanRWHandler *fd_can_read, | |
1000 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1001 | { |
c20709aa FB |
1002 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1003 | } | |
1004 | ||
1005 | static int net_tun_init(NetDriverState *nd) | |
1006 | { | |
1007 | int pid, status; | |
1008 | char *args[3]; | |
c4b1fcc0 FB |
1009 | char **parg; |
1010 | ||
c20709aa FB |
1011 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1012 | if (nd->fd < 0) | |
1013 | return -1; | |
c4b1fcc0 | 1014 | |
c20709aa FB |
1015 | /* try to launch network init script */ |
1016 | pid = fork(); | |
1017 | if (pid >= 0) { | |
1018 | if (pid == 0) { | |
1019 | parg = args; | |
1020 | *parg++ = network_script; | |
1021 | *parg++ = nd->ifname; | |
1022 | *parg++ = NULL; | |
1023 | execv(network_script, args); | |
1024 | exit(1); | |
1025 | } | |
1026 | while (waitpid(pid, &status, 0) != pid); | |
1027 | if (!WIFEXITED(status) || | |
1028 | WEXITSTATUS(status) != 0) { | |
1029 | fprintf(stderr, "%s: could not launch network script\n", | |
1030 | network_script); | |
80cabfad | 1031 | } |
330d0414 | 1032 | } |
c20709aa FB |
1033 | nd->send_packet = tun_send_packet; |
1034 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1035 | return 0; |
330d0414 FB |
1036 | } |
1037 | ||
c20709aa | 1038 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1039 | { |
c20709aa FB |
1040 | nd->fd = fd; |
1041 | nd->send_packet = tun_send_packet; | |
1042 | nd->add_read_packet = tun_add_read_packet; | |
1043 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1044 | return 0; | |
80cabfad | 1045 | } |
330d0414 | 1046 | |
c20709aa | 1047 | #endif /* !_WIN32 */ |
67b915a5 | 1048 | |
313aa567 FB |
1049 | /***********************************************************/ |
1050 | /* dumb display */ | |
1051 | ||
67b915a5 FB |
1052 | #ifdef _WIN32 |
1053 | ||
1054 | static void term_exit(void) | |
1055 | { | |
1056 | } | |
1057 | ||
1058 | static void term_init(void) | |
1059 | { | |
1060 | } | |
1061 | ||
1062 | #else | |
1063 | ||
313aa567 FB |
1064 | /* init terminal so that we can grab keys */ |
1065 | static struct termios oldtty; | |
1066 | ||
1067 | static void term_exit(void) | |
1068 | { | |
1069 | tcsetattr (0, TCSANOW, &oldtty); | |
1070 | } | |
1071 | ||
1072 | static void term_init(void) | |
1073 | { | |
1074 | struct termios tty; | |
1075 | ||
1076 | tcgetattr (0, &tty); | |
1077 | oldtty = tty; | |
1078 | ||
1079 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1080 | |INLCR|IGNCR|ICRNL|IXON); | |
1081 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
1082 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1083 | /* if graphical mode, we allow Ctrl-C handling */ | |
1084 | if (nographic) | |
1085 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
1086 | tty.c_cflag &= ~(CSIZE|PARENB); |
1087 | tty.c_cflag |= CS8; | |
1088 | tty.c_cc[VMIN] = 1; | |
1089 | tty.c_cc[VTIME] = 0; | |
1090 | ||
1091 | tcsetattr (0, TCSANOW, &tty); | |
1092 | ||
1093 | atexit(term_exit); | |
1094 | ||
1095 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1096 | } | |
1097 | ||
67b915a5 FB |
1098 | #endif |
1099 | ||
313aa567 FB |
1100 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1101 | { | |
1102 | } | |
1103 | ||
1104 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1105 | { | |
1106 | } | |
1107 | ||
1108 | static void dumb_refresh(DisplayState *ds) | |
1109 | { | |
1110 | vga_update_display(); | |
1111 | } | |
1112 | ||
1113 | void dumb_display_init(DisplayState *ds) | |
1114 | { | |
1115 | ds->data = NULL; | |
1116 | ds->linesize = 0; | |
1117 | ds->depth = 0; | |
1118 | ds->dpy_update = dumb_update; | |
1119 | ds->dpy_resize = dumb_resize; | |
1120 | ds->dpy_refresh = dumb_refresh; | |
1121 | } | |
1122 | ||
3a51dee6 | 1123 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1124 | /***********************************************************/ |
0824d6fc FB |
1125 | /* cpu signal handler */ |
1126 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1127 | void *puc) | |
1128 | { | |
1129 | if (cpu_signal_handler(host_signum, info, puc)) | |
1130 | return; | |
1131 | term_exit(); | |
1132 | abort(); | |
1133 | } | |
3a51dee6 | 1134 | #endif |
0824d6fc | 1135 | |
8a7ddc38 FB |
1136 | /***********************************************************/ |
1137 | /* I/O handling */ | |
0824d6fc | 1138 | |
c4b1fcc0 FB |
1139 | #define MAX_IO_HANDLERS 64 |
1140 | ||
1141 | typedef struct IOHandlerRecord { | |
1142 | int fd; | |
1143 | IOCanRWHandler *fd_can_read; | |
1144 | IOReadHandler *fd_read; | |
1145 | void *opaque; | |
1146 | /* temporary data */ | |
1147 | struct pollfd *ufd; | |
1148 | int max_size; | |
8a7ddc38 | 1149 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1150 | } IOHandlerRecord; |
1151 | ||
8a7ddc38 | 1152 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1153 | |
8a7ddc38 FB |
1154 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1155 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1156 | { |
1157 | IOHandlerRecord *ioh; | |
1158 | ||
8a7ddc38 FB |
1159 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1160 | if (!ioh) | |
c4b1fcc0 | 1161 | return -1; |
c4b1fcc0 FB |
1162 | ioh->fd = fd; |
1163 | ioh->fd_can_read = fd_can_read; | |
1164 | ioh->fd_read = fd_read; | |
1165 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1166 | ioh->next = first_io_handler; |
1167 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1168 | return 0; |
1169 | } | |
1170 | ||
8a7ddc38 FB |
1171 | void qemu_del_fd_read_handler(int fd) |
1172 | { | |
1173 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1174 | |
8a7ddc38 FB |
1175 | pioh = &first_io_handler; |
1176 | for(;;) { | |
1177 | ioh = *pioh; | |
1178 | if (ioh == NULL) | |
1179 | break; | |
1180 | if (ioh->fd == fd) { | |
1181 | *pioh = ioh->next; | |
1182 | break; | |
1183 | } | |
1184 | pioh = &ioh->next; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | /***********************************************************/ | |
1189 | /* savevm/loadvm support */ | |
1190 | ||
1191 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1192 | { |
8a7ddc38 | 1193 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1194 | } |
1195 | ||
8a7ddc38 | 1196 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1197 | { |
8a7ddc38 FB |
1198 | fputc(v, f); |
1199 | } | |
1200 | ||
1201 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1202 | { | |
1203 | qemu_put_byte(f, v >> 8); | |
1204 | qemu_put_byte(f, v); | |
1205 | } | |
1206 | ||
1207 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1208 | { | |
1209 | qemu_put_byte(f, v >> 24); | |
1210 | qemu_put_byte(f, v >> 16); | |
1211 | qemu_put_byte(f, v >> 8); | |
1212 | qemu_put_byte(f, v); | |
1213 | } | |
1214 | ||
1215 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1216 | { | |
1217 | qemu_put_be32(f, v >> 32); | |
1218 | qemu_put_be32(f, v); | |
1219 | } | |
1220 | ||
1221 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1222 | { | |
1223 | return fread(buf, 1, size, f); | |
1224 | } | |
1225 | ||
1226 | int qemu_get_byte(QEMUFile *f) | |
1227 | { | |
1228 | int v; | |
1229 | v = fgetc(f); | |
1230 | if (v == EOF) | |
1231 | return 0; | |
1232 | else | |
1233 | return v; | |
1234 | } | |
1235 | ||
1236 | unsigned int qemu_get_be16(QEMUFile *f) | |
1237 | { | |
1238 | unsigned int v; | |
1239 | v = qemu_get_byte(f) << 8; | |
1240 | v |= qemu_get_byte(f); | |
1241 | return v; | |
1242 | } | |
1243 | ||
1244 | unsigned int qemu_get_be32(QEMUFile *f) | |
1245 | { | |
1246 | unsigned int v; | |
1247 | v = qemu_get_byte(f) << 24; | |
1248 | v |= qemu_get_byte(f) << 16; | |
1249 | v |= qemu_get_byte(f) << 8; | |
1250 | v |= qemu_get_byte(f); | |
1251 | return v; | |
1252 | } | |
1253 | ||
1254 | uint64_t qemu_get_be64(QEMUFile *f) | |
1255 | { | |
1256 | uint64_t v; | |
1257 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1258 | v |= qemu_get_be32(f); | |
1259 | return v; | |
1260 | } | |
1261 | ||
1262 | int64_t qemu_ftell(QEMUFile *f) | |
1263 | { | |
1264 | return ftell(f); | |
1265 | } | |
1266 | ||
1267 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1268 | { | |
1269 | if (fseek(f, pos, whence) < 0) | |
1270 | return -1; | |
1271 | return ftell(f); | |
1272 | } | |
1273 | ||
1274 | typedef struct SaveStateEntry { | |
1275 | char idstr[256]; | |
1276 | int instance_id; | |
1277 | int version_id; | |
1278 | SaveStateHandler *save_state; | |
1279 | LoadStateHandler *load_state; | |
1280 | void *opaque; | |
1281 | struct SaveStateEntry *next; | |
1282 | } SaveStateEntry; | |
b4608c04 | 1283 | |
8a7ddc38 FB |
1284 | static SaveStateEntry *first_se; |
1285 | ||
1286 | int register_savevm(const char *idstr, | |
1287 | int instance_id, | |
1288 | int version_id, | |
1289 | SaveStateHandler *save_state, | |
1290 | LoadStateHandler *load_state, | |
1291 | void *opaque) | |
1292 | { | |
1293 | SaveStateEntry *se, **pse; | |
1294 | ||
1295 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1296 | if (!se) | |
1297 | return -1; | |
1298 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1299 | se->instance_id = instance_id; | |
1300 | se->version_id = version_id; | |
1301 | se->save_state = save_state; | |
1302 | se->load_state = load_state; | |
1303 | se->opaque = opaque; | |
1304 | se->next = NULL; | |
1305 | ||
1306 | /* add at the end of list */ | |
1307 | pse = &first_se; | |
1308 | while (*pse != NULL) | |
1309 | pse = &(*pse)->next; | |
1310 | *pse = se; | |
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1315 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1316 | ||
1317 | int qemu_savevm(const char *filename) | |
1318 | { | |
1319 | SaveStateEntry *se; | |
1320 | QEMUFile *f; | |
1321 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1322 | ||
1323 | saved_vm_running = vm_running; | |
1324 | vm_stop(0); | |
1325 | ||
1326 | f = fopen(filename, "wb"); | |
1327 | if (!f) { | |
1328 | ret = -1; | |
1329 | goto the_end; | |
313aa567 FB |
1330 | } |
1331 | ||
8a7ddc38 FB |
1332 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1333 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1334 | ||
1335 | for(se = first_se; se != NULL; se = se->next) { | |
1336 | /* ID string */ | |
1337 | len = strlen(se->idstr); | |
1338 | qemu_put_byte(f, len); | |
1339 | qemu_put_buffer(f, se->idstr, len); | |
1340 | ||
1341 | qemu_put_be32(f, se->instance_id); | |
1342 | qemu_put_be32(f, se->version_id); | |
1343 | ||
1344 | /* record size: filled later */ | |
1345 | len_pos = ftell(f); | |
1346 | qemu_put_be32(f, 0); | |
1347 | ||
1348 | se->save_state(f, se->opaque); | |
1349 | ||
1350 | /* fill record size */ | |
1351 | cur_pos = ftell(f); | |
1352 | len = ftell(f) - len_pos - 4; | |
1353 | fseek(f, len_pos, SEEK_SET); | |
1354 | qemu_put_be32(f, len); | |
1355 | fseek(f, cur_pos, SEEK_SET); | |
1356 | } | |
1357 | ||
1358 | fclose(f); | |
1359 | ret = 0; | |
1360 | the_end: | |
1361 | if (saved_vm_running) | |
1362 | vm_start(); | |
1363 | return ret; | |
1364 | } | |
1365 | ||
1366 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1367 | { | |
1368 | SaveStateEntry *se; | |
1369 | ||
1370 | for(se = first_se; se != NULL; se = se->next) { | |
1371 | if (!strcmp(se->idstr, idstr) && | |
1372 | instance_id == se->instance_id) | |
1373 | return se; | |
1374 | } | |
1375 | return NULL; | |
1376 | } | |
1377 | ||
1378 | int qemu_loadvm(const char *filename) | |
1379 | { | |
1380 | SaveStateEntry *se; | |
1381 | QEMUFile *f; | |
1382 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1383 | int saved_vm_running; | |
1384 | unsigned int v; | |
1385 | char idstr[256]; | |
1386 | ||
1387 | saved_vm_running = vm_running; | |
1388 | vm_stop(0); | |
1389 | ||
1390 | f = fopen(filename, "rb"); | |
1391 | if (!f) { | |
1392 | ret = -1; | |
1393 | goto the_end; | |
1394 | } | |
1395 | ||
1396 | v = qemu_get_be32(f); | |
1397 | if (v != QEMU_VM_FILE_MAGIC) | |
1398 | goto fail; | |
1399 | v = qemu_get_be32(f); | |
1400 | if (v != QEMU_VM_FILE_VERSION) { | |
1401 | fail: | |
1402 | fclose(f); | |
1403 | ret = -1; | |
1404 | goto the_end; | |
1405 | } | |
b4608c04 | 1406 | for(;;) { |
a541f297 | 1407 | #if defined (DO_TB_FLUSH) |
d927637d | 1408 | tb_flush(global_env); |
a541f297 | 1409 | #endif |
8a7ddc38 FB |
1410 | len = qemu_get_byte(f); |
1411 | if (feof(f)) | |
cd4c3e88 | 1412 | break; |
8a7ddc38 FB |
1413 | qemu_get_buffer(f, idstr, len); |
1414 | idstr[len] = '\0'; | |
1415 | instance_id = qemu_get_be32(f); | |
1416 | version_id = qemu_get_be32(f); | |
1417 | record_len = qemu_get_be32(f); | |
1418 | #if 0 | |
1419 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1420 | idstr, instance_id, version_id, record_len); | |
1421 | #endif | |
1422 | cur_pos = ftell(f); | |
1423 | se = find_se(idstr, instance_id); | |
1424 | if (!se) { | |
1425 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1426 | instance_id, idstr); | |
1427 | } else { | |
1428 | ret = se->load_state(f, se->opaque, version_id); | |
1429 | if (ret < 0) { | |
1430 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1431 | instance_id, idstr); | |
1432 | } | |
34865134 | 1433 | } |
8a7ddc38 FB |
1434 | /* always seek to exact end of record */ |
1435 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1436 | } | |
1437 | fclose(f); | |
1438 | ret = 0; | |
1439 | the_end: | |
1440 | if (saved_vm_running) | |
1441 | vm_start(); | |
1442 | return ret; | |
1443 | } | |
1444 | ||
1445 | /***********************************************************/ | |
1446 | /* cpu save/restore */ | |
1447 | ||
1448 | #if defined(TARGET_I386) | |
1449 | ||
1450 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1451 | { | |
1452 | qemu_put_be32(f, (uint32_t)dt->base); | |
1453 | qemu_put_be32(f, dt->limit); | |
1454 | qemu_put_be32(f, dt->flags); | |
1455 | } | |
1456 | ||
1457 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1458 | { | |
1459 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1460 | dt->limit = qemu_get_be32(f); | |
1461 | dt->flags = qemu_get_be32(f); | |
1462 | } | |
1463 | ||
1464 | void cpu_save(QEMUFile *f, void *opaque) | |
1465 | { | |
1466 | CPUState *env = opaque; | |
1467 | uint16_t fptag, fpus, fpuc; | |
1468 | uint32_t hflags; | |
1469 | int i; | |
1470 | ||
1471 | for(i = 0; i < 8; i++) | |
1472 | qemu_put_be32s(f, &env->regs[i]); | |
1473 | qemu_put_be32s(f, &env->eip); | |
1474 | qemu_put_be32s(f, &env->eflags); | |
1475 | qemu_put_be32s(f, &env->eflags); | |
1476 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1477 | qemu_put_be32s(f, &hflags); | |
1478 | ||
1479 | /* FPU */ | |
1480 | fpuc = env->fpuc; | |
1481 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1482 | fptag = 0; | |
1483 | for (i=7; i>=0; i--) { | |
1484 | fptag <<= 2; | |
1485 | if (env->fptags[i]) { | |
1486 | fptag |= 3; | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | qemu_put_be16s(f, &fpuc); | |
1491 | qemu_put_be16s(f, &fpus); | |
1492 | qemu_put_be16s(f, &fptag); | |
1493 | ||
1494 | for(i = 0; i < 8; i++) { | |
1495 | uint64_t mant; | |
1496 | uint16_t exp; | |
1497 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1498 | qemu_put_be64(f, mant); | |
1499 | qemu_put_be16(f, exp); | |
1500 | } | |
1501 | ||
1502 | for(i = 0; i < 6; i++) | |
1503 | cpu_put_seg(f, &env->segs[i]); | |
1504 | cpu_put_seg(f, &env->ldt); | |
1505 | cpu_put_seg(f, &env->tr); | |
1506 | cpu_put_seg(f, &env->gdt); | |
1507 | cpu_put_seg(f, &env->idt); | |
1508 | ||
1509 | qemu_put_be32s(f, &env->sysenter_cs); | |
1510 | qemu_put_be32s(f, &env->sysenter_esp); | |
1511 | qemu_put_be32s(f, &env->sysenter_eip); | |
1512 | ||
1513 | qemu_put_be32s(f, &env->cr[0]); | |
1514 | qemu_put_be32s(f, &env->cr[2]); | |
1515 | qemu_put_be32s(f, &env->cr[3]); | |
1516 | qemu_put_be32s(f, &env->cr[4]); | |
1517 | ||
1518 | for(i = 0; i < 8; i++) | |
1519 | qemu_put_be32s(f, &env->dr[i]); | |
1520 | ||
1521 | /* MMU */ | |
1522 | qemu_put_be32s(f, &env->a20_mask); | |
1523 | } | |
1524 | ||
1525 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1526 | { | |
1527 | CPUState *env = opaque; | |
1528 | int i; | |
1529 | uint32_t hflags; | |
1530 | uint16_t fpus, fpuc, fptag; | |
1531 | ||
1532 | if (version_id != 1) | |
1533 | return -EINVAL; | |
1534 | for(i = 0; i < 8; i++) | |
1535 | qemu_get_be32s(f, &env->regs[i]); | |
1536 | qemu_get_be32s(f, &env->eip); | |
1537 | qemu_get_be32s(f, &env->eflags); | |
1538 | qemu_get_be32s(f, &env->eflags); | |
1539 | qemu_get_be32s(f, &hflags); | |
1540 | ||
1541 | qemu_get_be16s(f, &fpuc); | |
1542 | qemu_get_be16s(f, &fpus); | |
1543 | qemu_get_be16s(f, &fptag); | |
1544 | ||
1545 | for(i = 0; i < 8; i++) { | |
1546 | uint64_t mant; | |
1547 | uint16_t exp; | |
1548 | mant = qemu_get_be64(f); | |
1549 | exp = qemu_get_be16(f); | |
1550 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1551 | } | |
1552 | ||
1553 | env->fpuc = fpuc; | |
1554 | env->fpstt = (fpus >> 11) & 7; | |
1555 | env->fpus = fpus & ~0x3800; | |
1556 | for(i = 0; i < 8; i++) { | |
1557 | env->fptags[i] = ((fptag & 3) == 3); | |
1558 | fptag >>= 2; | |
1559 | } | |
1560 | ||
1561 | for(i = 0; i < 6; i++) | |
1562 | cpu_get_seg(f, &env->segs[i]); | |
1563 | cpu_get_seg(f, &env->ldt); | |
1564 | cpu_get_seg(f, &env->tr); | |
1565 | cpu_get_seg(f, &env->gdt); | |
1566 | cpu_get_seg(f, &env->idt); | |
1567 | ||
1568 | qemu_get_be32s(f, &env->sysenter_cs); | |
1569 | qemu_get_be32s(f, &env->sysenter_esp); | |
1570 | qemu_get_be32s(f, &env->sysenter_eip); | |
1571 | ||
1572 | qemu_get_be32s(f, &env->cr[0]); | |
1573 | qemu_get_be32s(f, &env->cr[2]); | |
1574 | qemu_get_be32s(f, &env->cr[3]); | |
1575 | qemu_get_be32s(f, &env->cr[4]); | |
1576 | ||
1577 | for(i = 0; i < 8; i++) | |
1578 | qemu_get_be32s(f, &env->dr[i]); | |
1579 | ||
1580 | /* MMU */ | |
1581 | qemu_get_be32s(f, &env->a20_mask); | |
1582 | ||
1583 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1584 | env->hflags = hflags; | |
1585 | tlb_flush(env, 1); | |
1586 | return 0; | |
1587 | } | |
1588 | ||
a541f297 FB |
1589 | #elif defined(TARGET_PPC) |
1590 | void cpu_save(QEMUFile *f, void *opaque) | |
1591 | { | |
1592 | } | |
1593 | ||
1594 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1595 | { | |
1596 | return 0; | |
1597 | } | |
8a7ddc38 FB |
1598 | #else |
1599 | ||
1600 | #warning No CPU save/restore functions | |
1601 | ||
1602 | #endif | |
1603 | ||
1604 | /***********************************************************/ | |
1605 | /* ram save/restore */ | |
1606 | ||
1607 | /* we just avoid storing empty pages */ | |
1608 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1609 | { | |
1610 | int i, v; | |
1611 | ||
1612 | v = buf[0]; | |
1613 | for(i = 1; i < len; i++) { | |
1614 | if (buf[i] != v) | |
1615 | goto normal_save; | |
1616 | } | |
1617 | qemu_put_byte(f, 1); | |
1618 | qemu_put_byte(f, v); | |
1619 | return; | |
1620 | normal_save: | |
1621 | qemu_put_byte(f, 0); | |
1622 | qemu_put_buffer(f, buf, len); | |
1623 | } | |
1624 | ||
1625 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1626 | { | |
1627 | int v; | |
1628 | ||
1629 | v = qemu_get_byte(f); | |
1630 | switch(v) { | |
1631 | case 0: | |
1632 | if (qemu_get_buffer(f, buf, len) != len) | |
1633 | return -EIO; | |
1634 | break; | |
1635 | case 1: | |
1636 | v = qemu_get_byte(f); | |
1637 | memset(buf, v, len); | |
1638 | break; | |
1639 | default: | |
1640 | return -EINVAL; | |
1641 | } | |
1642 | return 0; | |
1643 | } | |
1644 | ||
1645 | static void ram_save(QEMUFile *f, void *opaque) | |
1646 | { | |
1647 | int i; | |
1648 | qemu_put_be32(f, phys_ram_size); | |
1649 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1650 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1651 | } | |
1652 | } | |
1653 | ||
1654 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1655 | { | |
1656 | int i, ret; | |
1657 | ||
1658 | if (version_id != 1) | |
1659 | return -EINVAL; | |
1660 | if (qemu_get_be32(f) != phys_ram_size) | |
1661 | return -EINVAL; | |
1662 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1663 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1664 | if (ret) | |
1665 | return ret; | |
1666 | } | |
1667 | return 0; | |
1668 | } | |
1669 | ||
1670 | /***********************************************************/ | |
1671 | /* main execution loop */ | |
1672 | ||
1673 | void gui_update(void *opaque) | |
1674 | { | |
1675 | display_state.dpy_refresh(&display_state); | |
1676 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1677 | } | |
1678 | ||
1679 | /* XXX: support several handlers */ | |
1680 | VMStopHandler *vm_stop_cb; | |
1681 | VMStopHandler *vm_stop_opaque; | |
1682 | ||
1683 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1684 | { | |
1685 | vm_stop_cb = cb; | |
1686 | vm_stop_opaque = opaque; | |
1687 | return 0; | |
1688 | } | |
1689 | ||
1690 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1691 | { | |
1692 | vm_stop_cb = NULL; | |
1693 | } | |
1694 | ||
1695 | void vm_start(void) | |
1696 | { | |
1697 | if (!vm_running) { | |
1698 | cpu_enable_ticks(); | |
1699 | vm_running = 1; | |
1700 | } | |
1701 | } | |
1702 | ||
1703 | void vm_stop(int reason) | |
1704 | { | |
1705 | if (vm_running) { | |
1706 | cpu_disable_ticks(); | |
1707 | vm_running = 0; | |
1708 | if (reason != 0) { | |
1709 | if (vm_stop_cb) { | |
1710 | vm_stop_cb(vm_stop_opaque, reason); | |
1711 | } | |
34865134 | 1712 | } |
8a7ddc38 FB |
1713 | } |
1714 | } | |
1715 | ||
1716 | int main_loop(void) | |
1717 | { | |
67b915a5 | 1718 | #ifndef _WIN32 |
8a7ddc38 | 1719 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1720 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1721 | uint8_t buf[4096]; |
1722 | int n, max_size; | |
1723 | #endif | |
1724 | int ret, timeout; | |
8a7ddc38 FB |
1725 | CPUState *env = global_env; |
1726 | ||
1727 | for(;;) { | |
1728 | if (vm_running) { | |
1729 | ret = cpu_exec(env); | |
1730 | if (reset_requested) { | |
1731 | ret = EXCP_INTERRUPT; | |
1732 | break; | |
1733 | } | |
1734 | if (ret == EXCP_DEBUG) { | |
1735 | vm_stop(EXCP_DEBUG); | |
1736 | } | |
1737 | /* if hlt instruction, we wait until the next IRQ */ | |
1738 | /* XXX: use timeout computed from timers */ | |
1739 | if (ret == EXCP_HLT) | |
1740 | timeout = 10; | |
1741 | else | |
1742 | timeout = 0; | |
1743 | } else { | |
b4608c04 | 1744 | timeout = 10; |
8a7ddc38 | 1745 | } |
c4b1fcc0 | 1746 | |
38e205a2 FB |
1747 | #ifdef _WIN32 |
1748 | if (timeout > 0) | |
1749 | Sleep(timeout); | |
1750 | #else | |
1751 | ||
b4608c04 | 1752 | /* poll any events */ |
8a7ddc38 | 1753 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1754 | pf = ufds; |
8a7ddc38 FB |
1755 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1756 | if (!ioh->fd_can_read) { | |
1757 | max_size = 0; | |
c4b1fcc0 FB |
1758 | pf->fd = ioh->fd; |
1759 | pf->events = POLLIN; | |
1760 | ioh->ufd = pf; | |
1761 | pf++; | |
1762 | } else { | |
8a7ddc38 FB |
1763 | max_size = ioh->fd_can_read(ioh->opaque); |
1764 | if (max_size > 0) { | |
1765 | if (max_size > sizeof(buf)) | |
1766 | max_size = sizeof(buf); | |
1767 | pf->fd = ioh->fd; | |
1768 | pf->events = POLLIN; | |
1769 | ioh->ufd = pf; | |
1770 | pf++; | |
1771 | } else { | |
1772 | ioh->ufd = NULL; | |
1773 | } | |
c4b1fcc0 FB |
1774 | } |
1775 | ioh->max_size = max_size; | |
b4608c04 | 1776 | } |
73332e5c | 1777 | |
b4608c04 FB |
1778 | ret = poll(ufds, pf - ufds, timeout); |
1779 | if (ret > 0) { | |
8a7ddc38 FB |
1780 | /* XXX: better handling of removal */ |
1781 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1782 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1783 | pf = ioh->ufd; |
1784 | if (pf) { | |
8a7ddc38 FB |
1785 | if (pf->revents & POLLIN) { |
1786 | if (ioh->max_size == 0) { | |
1787 | /* just a read event */ | |
1788 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1789 | } else { | |
1790 | n = read(ioh->fd, buf, ioh->max_size); | |
1791 | if (n >= 0) { | |
1792 | ioh->fd_read(ioh->opaque, buf, n); | |
1793 | } else if (errno != -EAGAIN) { | |
1794 | ioh->fd_read(ioh->opaque, NULL, -errno); | |
1795 | } | |
1796 | } | |
b4608c04 | 1797 | } |
b4608c04 | 1798 | } |
b4608c04 FB |
1799 | } |
1800 | } | |
c20709aa FB |
1801 | |
1802 | #if defined(CONFIG_SLIRP) | |
1803 | /* XXX: merge with poll() */ | |
1804 | if (slirp_inited) { | |
1805 | fd_set rfds, wfds, xfds; | |
1806 | int nfds; | |
1807 | struct timeval tv; | |
1808 | ||
1809 | nfds = -1; | |
1810 | FD_ZERO(&rfds); | |
1811 | FD_ZERO(&wfds); | |
1812 | FD_ZERO(&xfds); | |
1813 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
1814 | tv.tv_sec = 0; | |
1815 | tv.tv_usec = 0; | |
1816 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
1817 | if (ret >= 0) { | |
1818 | slirp_select_poll(&rfds, &wfds, &xfds); | |
1819 | } | |
1820 | } | |
1821 | #endif | |
1822 | ||
67b915a5 | 1823 | #endif |
b4608c04 | 1824 | |
8a7ddc38 FB |
1825 | if (vm_running) { |
1826 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1827 | qemu_get_clock(vm_clock)); | |
1828 | ||
aaaa7df6 FB |
1829 | if (audio_enabled) { |
1830 | /* XXX: add explicit timer */ | |
1831 | SB16_run(); | |
1832 | } | |
8a7ddc38 FB |
1833 | |
1834 | /* run dma transfers, if any */ | |
1835 | DMA_run(); | |
b4608c04 | 1836 | } |
313aa567 | 1837 | |
8a7ddc38 FB |
1838 | /* real time timers */ |
1839 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1840 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1841 | } |
34865134 FB |
1842 | cpu_disable_ticks(); |
1843 | return ret; | |
b4608c04 FB |
1844 | } |
1845 | ||
0824d6fc FB |
1846 | void help(void) |
1847 | { | |
aaaa7df6 | 1848 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 1849 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1850 | "\n" |
a20dd508 | 1851 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1852 | "\n" |
a20dd508 | 1853 | "Standard options:\n" |
c45886db | 1854 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1855 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1856 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1857 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1858 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 FB |
1859 | "-snapshot write to temporary files instead of disk image files\n" |
1860 | "-m megs set virtual RAM size to megs MB\n" | |
c4b1fcc0 | 1861 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 1862 | "-enable-audio enable audio support\n" |
c4b1fcc0 FB |
1863 | "\n" |
1864 | "Network options:\n" | |
c20709aa | 1865 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 1866 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
1867 | "-n script set tap/tun network init script [default=%s]\n" |
1868 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
1869 | #ifdef CONFIG_SLIRP | |
1870 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
1871 | #endif | |
1872 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 1873 | "\n" |
c4b1fcc0 | 1874 | "Linux boot specific:\n" |
a20dd508 FB |
1875 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1876 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1877 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1878 | "\n" |
330d0414 | 1879 | "Debug/Expert options:\n" |
a20dd508 FB |
1880 | "-s wait gdb connection to port %d\n" |
1881 | "-p port change gdb connection port\n" | |
f193c797 | 1882 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1883 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1884 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1885 | #ifdef USE_CODE_COPY |
1886 | "-no-code-copy disable code copy acceleration\n" | |
1887 | #endif | |
1888 | ||
0824d6fc | 1889 | "\n" |
f1510b2c | 1890 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1891 | #ifdef CONFIG_SOFTMMU |
1892 | "qemu", | |
1893 | #else | |
1894 | "qemu-fast", | |
1895 | #endif | |
1896 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
1897 | DEFAULT_GDBSTUB_PORT, |
1898 | "/tmp/qemu.log"); | |
0824d6fc | 1899 | term_print_help(); |
0db63474 FB |
1900 | #ifndef CONFIG_SOFTMMU |
1901 | printf("\n" | |
1902 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
1903 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
1904 | "PC emulation.\n"); | |
1905 | #endif | |
0824d6fc FB |
1906 | exit(1); |
1907 | } | |
1908 | ||
fc01f7e7 FB |
1909 | struct option long_options[] = { |
1910 | { "initrd", 1, NULL, 0, }, | |
1911 | { "hda", 1, NULL, 0, }, | |
1912 | { "hdb", 1, NULL, 0, }, | |
33e3963e | 1913 | { "snapshot", 0, NULL, 0, }, |
330d0414 | 1914 | { "hdachs", 1, NULL, 0, }, |
a20dd508 FB |
1915 | { "nographic", 0, NULL, 0, }, |
1916 | { "kernel", 1, NULL, 0, }, | |
1917 | { "append", 1, NULL, 0, }, | |
42f1e0e4 | 1918 | { "tun-fd", 1, NULL, 0, }, |
36b486bb FB |
1919 | { "hdc", 1, NULL, 0, }, |
1920 | { "hdd", 1, NULL, 0, }, | |
1921 | { "cdrom", 1, NULL, 0, }, | |
1922 | { "boot", 1, NULL, 0, }, | |
c45886db FB |
1923 | { "fda", 1, NULL, 0, }, |
1924 | { "fdb", 1, NULL, 0, }, | |
c4b1fcc0 FB |
1925 | { "no-code-copy", 0, NULL, 0 }, |
1926 | { "nics", 1, NULL, 0 }, | |
702c651c | 1927 | { "macaddr", 1, NULL, 0 }, |
f6bac380 FB |
1928 | { "user-net", 0, NULL, 0 }, |
1929 | { "dummy-net", 0, NULL, 0 }, | |
aaaa7df6 | 1930 | { "enable-audio", 0, NULL, 0 }, |
fc01f7e7 FB |
1931 | { NULL, 0, NULL, 0 }, |
1932 | }; | |
1933 | ||
77fef8c1 FB |
1934 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
1935 | ||
1936 | /* this stack is only used during signal handling */ | |
1937 | #define SIGNAL_STACK_SIZE 32768 | |
1938 | ||
1939 | static uint8_t *signal_stack; | |
1940 | ||
1941 | #endif | |
1942 | ||
c20709aa FB |
1943 | #define NET_IF_TUN 0 |
1944 | #define NET_IF_USER 1 | |
1945 | #define NET_IF_DUMMY 2 | |
1946 | ||
0824d6fc FB |
1947 | int main(int argc, char **argv) |
1948 | { | |
67b915a5 FB |
1949 | #ifdef CONFIG_GDBSTUB |
1950 | int use_gdbstub, gdbstub_port; | |
1951 | #endif | |
1952 | int c, i, long_index, has_cdrom; | |
1ccde1cb | 1953 | int snapshot, linux_boot; |
c45886db | 1954 | CPUState *env; |
7f7f9873 | 1955 | const char *initrd_filename; |
c45886db | 1956 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 1957 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 1958 | DisplayState *ds = &display_state; |
c4b1fcc0 | 1959 | int cyls, heads, secs; |
a541f297 | 1960 | int start_emulation = 1; |
702c651c | 1961 | uint8_t macaddr[6]; |
c20709aa FB |
1962 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
1963 | ||
67b915a5 | 1964 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
1965 | /* we never want that malloc() uses mmap() */ |
1966 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 1967 | #endif |
fc01f7e7 | 1968 | initrd_filename = NULL; |
c45886db FB |
1969 | for(i = 0; i < MAX_FD; i++) |
1970 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
1971 | for(i = 0; i < MAX_DISKS; i++) |
1972 | hd_filename[i] = NULL; | |
1ccde1cb | 1973 | ram_size = 32 * 1024 * 1024; |
313aa567 | 1974 | vga_ram_size = VGA_RAM_SIZE; |
f1510b2c | 1975 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 1976 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
1977 | use_gdbstub = 0; |
1978 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 1979 | #endif |
33e3963e | 1980 | snapshot = 0; |
a20dd508 FB |
1981 | nographic = 0; |
1982 | kernel_filename = NULL; | |
1983 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
1984 | has_cdrom = 1; |
1985 | cyls = heads = secs = 0; | |
1986 | ||
c20709aa FB |
1987 | nb_tun_fds = 0; |
1988 | net_if_type = -1; | |
c4b1fcc0 | 1989 | nb_nics = 1; |
702c651c FB |
1990 | /* default mac address of the first network interface */ |
1991 | macaddr[0] = 0x52; | |
1992 | macaddr[1] = 0x54; | |
1993 | macaddr[2] = 0x00; | |
1994 | macaddr[3] = 0x12; | |
1995 | macaddr[4] = 0x34; | |
1996 | macaddr[5] = 0x56; | |
c20709aa FB |
1997 | |
1998 | ||
0824d6fc | 1999 | for(;;) { |
a541f297 | 2000 | c = getopt_long_only(argc, argv, "hm:d:n:sp:L:S", long_options, &long_index); |
0824d6fc FB |
2001 | if (c == -1) |
2002 | break; | |
2003 | switch(c) { | |
fc01f7e7 FB |
2004 | case 0: |
2005 | switch(long_index) { | |
2006 | case 0: | |
2007 | initrd_filename = optarg; | |
2008 | break; | |
2009 | case 1: | |
2010 | hd_filename[0] = optarg; | |
2011 | break; | |
2012 | case 2: | |
2013 | hd_filename[1] = optarg; | |
2014 | break; | |
33e3963e FB |
2015 | case 3: |
2016 | snapshot = 1; | |
2017 | break; | |
330d0414 FB |
2018 | case 4: |
2019 | { | |
330d0414 FB |
2020 | const char *p; |
2021 | p = optarg; | |
2022 | cyls = strtol(p, (char **)&p, 0); | |
2023 | if (*p != ',') | |
2024 | goto chs_fail; | |
2025 | p++; | |
2026 | heads = strtol(p, (char **)&p, 0); | |
2027 | if (*p != ',') | |
2028 | goto chs_fail; | |
2029 | p++; | |
2030 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
2031 | if (*p != '\0') { |
2032 | chs_fail: | |
2033 | cyls = 0; | |
2034 | } | |
330d0414 FB |
2035 | } |
2036 | break; | |
313aa567 | 2037 | case 5: |
a20dd508 FB |
2038 | nographic = 1; |
2039 | break; | |
2040 | case 6: | |
2041 | kernel_filename = optarg; | |
2042 | break; | |
2043 | case 7: | |
2044 | kernel_cmdline = optarg; | |
313aa567 | 2045 | break; |
42f1e0e4 | 2046 | case 8: |
c4b1fcc0 FB |
2047 | { |
2048 | const char *p; | |
2049 | int fd; | |
c20709aa FB |
2050 | if (nb_tun_fds < MAX_NICS) { |
2051 | fd = strtol(optarg, (char **)&p, 0); | |
2052 | if (*p != '\0') { | |
2053 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
2054 | exit(1); |
2055 | } | |
c20709aa | 2056 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
2057 | } |
2058 | } | |
42f1e0e4 | 2059 | break; |
36b486bb FB |
2060 | case 9: |
2061 | hd_filename[2] = optarg; | |
c4b1fcc0 | 2062 | has_cdrom = 0; |
36b486bb FB |
2063 | break; |
2064 | case 10: | |
2065 | hd_filename[3] = optarg; | |
2066 | break; | |
2067 | case 11: | |
2068 | hd_filename[2] = optarg; | |
c4b1fcc0 | 2069 | has_cdrom = 1; |
36b486bb FB |
2070 | break; |
2071 | case 12: | |
2072 | boot_device = optarg[0]; | |
c45886db FB |
2073 | if (boot_device != 'a' && boot_device != 'b' && |
2074 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
2075 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
2076 | exit(1); | |
2077 | } | |
2078 | break; | |
c45886db FB |
2079 | case 13: |
2080 | fd_filename[0] = optarg; | |
2081 | break; | |
2082 | case 14: | |
2083 | fd_filename[1] = optarg; | |
2084 | break; | |
77fef8c1 FB |
2085 | case 15: |
2086 | code_copy_enabled = 0; | |
2087 | break; | |
c4b1fcc0 FB |
2088 | case 16: |
2089 | nb_nics = atoi(optarg); | |
2090 | if (nb_nics < 1 || nb_nics > MAX_NICS) { | |
2091 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); | |
2092 | exit(1); | |
2093 | } | |
2094 | break; | |
702c651c FB |
2095 | case 17: |
2096 | { | |
2097 | const char *p; | |
2098 | int i; | |
2099 | p = optarg; | |
2100 | for(i = 0; i < 6; i++) { | |
2101 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2102 | if (i == 5) { | |
2103 | if (*p != '\0') | |
2104 | goto macaddr_error; | |
2105 | } else { | |
2106 | if (*p != ':') { | |
2107 | macaddr_error: | |
2108 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2109 | exit(1); | |
2110 | } | |
2111 | p++; | |
2112 | } | |
2113 | } | |
2114 | } | |
2115 | break; | |
c20709aa FB |
2116 | case 18: |
2117 | net_if_type = NET_IF_USER; | |
2118 | break; | |
2119 | case 19: | |
2120 | net_if_type = NET_IF_DUMMY; | |
2121 | break; | |
aaaa7df6 FB |
2122 | case 20: |
2123 | audio_enabled = 1; | |
2124 | break; | |
fc01f7e7 FB |
2125 | } |
2126 | break; | |
0824d6fc FB |
2127 | case 'h': |
2128 | help(); | |
2129 | break; | |
2130 | case 'm': | |
1ccde1cb FB |
2131 | ram_size = atoi(optarg) * 1024 * 1024; |
2132 | if (ram_size <= 0) | |
0824d6fc | 2133 | help(); |
1ccde1cb | 2134 | if (ram_size > PHYS_RAM_MAX_SIZE) { |
36b486bb | 2135 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", |
7916e224 FB |
2136 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
2137 | exit(1); | |
2138 | } | |
0824d6fc FB |
2139 | break; |
2140 | case 'd': | |
f193c797 FB |
2141 | { |
2142 | int mask; | |
2143 | CPULogItem *item; | |
2144 | ||
2145 | mask = cpu_str_to_log_mask(optarg); | |
2146 | if (!mask) { | |
2147 | printf("Log items (comma separated):\n"); | |
2148 | for(item = cpu_log_items; item->mask != 0; item++) { | |
2149 | printf("%-10s %s\n", item->name, item->help); | |
2150 | } | |
2151 | exit(1); | |
2152 | } | |
2153 | cpu_set_log(mask); | |
2154 | } | |
0824d6fc | 2155 | break; |
f1510b2c FB |
2156 | case 'n': |
2157 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2158 | break; | |
67b915a5 | 2159 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2160 | case 's': |
2161 | use_gdbstub = 1; | |
2162 | break; | |
2163 | case 'p': | |
2164 | gdbstub_port = atoi(optarg); | |
2165 | break; | |
67b915a5 | 2166 | #endif |
330d0414 | 2167 | case 'L': |
5a67135a | 2168 | bios_dir = optarg; |
330d0414 | 2169 | break; |
a541f297 FB |
2170 | case 'S': |
2171 | start_emulation = 0; | |
2172 | break; | |
0824d6fc FB |
2173 | } |
2174 | } | |
330d0414 | 2175 | |
a20dd508 FB |
2176 | if (optind < argc) { |
2177 | hd_filename[0] = argv[optind++]; | |
2178 | } | |
2179 | ||
2180 | linux_boot = (kernel_filename != NULL); | |
330d0414 | 2181 | |
c45886db FB |
2182 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2183 | fd_filename[0] == '\0') | |
0824d6fc | 2184 | help(); |
8f2b1fb0 FB |
2185 | |
2186 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2187 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2188 | if (fd_filename[0] != '\0') | |
2189 | boot_device = 'a'; | |
2190 | else | |
2191 | boot_device = 'd'; | |
2192 | } | |
0824d6fc | 2193 | |
dc887a4d FB |
2194 | #if !defined(CONFIG_SOFTMMU) |
2195 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2196 | { | |
2197 | static uint8_t stdout_buf[4096]; | |
2198 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2199 | } | |
2200 | #else | |
b118d61e | 2201 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2202 | #endif |
0824d6fc | 2203 | |
c4b1fcc0 | 2204 | /* init host network redirectors */ |
c20709aa FB |
2205 | if (net_if_type == -1) { |
2206 | net_if_type = NET_IF_TUN; | |
2207 | #if defined(CONFIG_SLIRP) | |
2208 | if (access(network_script, R_OK) < 0) { | |
2209 | net_if_type = NET_IF_USER; | |
2210 | } | |
2211 | #endif | |
2212 | } | |
2213 | ||
2214 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2215 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2216 | nd->index = i; |
702c651c FB |
2217 | /* init virtual mac address */ |
2218 | nd->macaddr[0] = macaddr[0]; | |
2219 | nd->macaddr[1] = macaddr[1]; | |
2220 | nd->macaddr[2] = macaddr[2]; | |
2221 | nd->macaddr[3] = macaddr[3]; | |
2222 | nd->macaddr[4] = macaddr[4]; | |
2223 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2224 | switch(net_if_type) { |
2225 | #if defined(CONFIG_SLIRP) | |
2226 | case NET_IF_USER: | |
2227 | net_slirp_init(nd); | |
2228 | break; | |
2229 | #endif | |
2230 | #if !defined(_WIN32) | |
2231 | case NET_IF_TUN: | |
2232 | if (i < nb_tun_fds) { | |
2233 | net_fd_init(nd, tun_fds[i]); | |
2234 | } else { | |
d927637d FB |
2235 | if (net_tun_init(nd) < 0) |
2236 | net_dummy_init(nd); | |
c20709aa FB |
2237 | } |
2238 | break; | |
2239 | #endif | |
2240 | case NET_IF_DUMMY: | |
2241 | default: | |
2242 | net_dummy_init(nd); | |
2243 | break; | |
2244 | } | |
702c651c | 2245 | } |
f1510b2c | 2246 | |
0824d6fc | 2247 | /* init the memory */ |
1ccde1cb | 2248 | phys_ram_size = ram_size + vga_ram_size; |
7f7f9873 FB |
2249 | |
2250 | #ifdef CONFIG_SOFTMMU | |
1ccde1cb | 2251 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7f7f9873 FB |
2252 | if (!phys_ram_base) { |
2253 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2254 | exit(1); |
2255 | } | |
7f7f9873 FB |
2256 | #else |
2257 | /* as we must map the same page at several addresses, we must use | |
2258 | a fd */ | |
2259 | { | |
2260 | const char *tmpdir; | |
2261 | ||
2262 | tmpdir = getenv("QEMU_TMPDIR"); | |
2263 | if (!tmpdir) | |
2264 | tmpdir = "/tmp"; | |
2265 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2266 | if (mkstemp(phys_ram_file) < 0) { | |
2267 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2268 | phys_ram_file); | |
2269 | exit(1); | |
2270 | } | |
2271 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2272 | if (phys_ram_fd < 0) { | |
2273 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2274 | phys_ram_file); | |
2275 | exit(1); | |
2276 | } | |
1ccde1cb | 2277 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2278 | unlink(phys_ram_file); |
1ccde1cb FB |
2279 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2280 | phys_ram_size, | |
7f7f9873 FB |
2281 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2282 | phys_ram_fd, 0); | |
2283 | if (phys_ram_base == MAP_FAILED) { | |
2284 | fprintf(stderr, "Could not map physical memory\n"); | |
2285 | exit(1); | |
2286 | } | |
2287 | } | |
2288 | #endif | |
0824d6fc | 2289 | |
c4b1fcc0 FB |
2290 | /* we always create the cdrom drive, even if no disk is there */ |
2291 | if (has_cdrom) { | |
2292 | bs_table[2] = bdrv_new("cdrom"); | |
2293 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2294 | } | |
2295 | ||
33e3963e FB |
2296 | /* open the virtual block devices */ |
2297 | for(i = 0; i < MAX_DISKS; i++) { | |
2298 | if (hd_filename[i]) { | |
33e3963e | 2299 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2300 | char buf[64]; |
2301 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2302 | bs_table[i] = bdrv_new(buf); | |
2303 | } | |
2304 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2305 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2306 | hd_filename[i]); |
2307 | exit(1); | |
2308 | } | |
c4b1fcc0 FB |
2309 | if (i == 0 && cyls != 0) |
2310 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2311 | } | |
2312 | } | |
2313 | ||
2314 | /* we always create at least one floppy disk */ | |
2315 | fd_table[0] = bdrv_new("fda"); | |
2316 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2317 | ||
2318 | for(i = 0; i < MAX_FD; i++) { | |
2319 | if (fd_filename[i]) { | |
2320 | if (!fd_table[i]) { | |
2321 | char buf[64]; | |
2322 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2323 | fd_table[i] = bdrv_new(buf); | |
2324 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2325 | } | |
2326 | if (fd_filename[i] != '\0') { | |
2327 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 2328 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
2329 | fd_filename[i]); |
2330 | exit(1); | |
2331 | } | |
2332 | } | |
33e3963e FB |
2333 | } |
2334 | } | |
2335 | ||
330d0414 FB |
2336 | /* init CPU state */ |
2337 | env = cpu_init(); | |
2338 | global_env = env; | |
2339 | cpu_single_env = env; | |
2340 | ||
8a7ddc38 FB |
2341 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2342 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
2343 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
2344 | ||
330d0414 | 2345 | init_ioports(); |
80cabfad | 2346 | cpu_calibrate_ticks(); |
0824d6fc | 2347 | |
313aa567 | 2348 | /* terminal init */ |
a20dd508 | 2349 | if (nographic) { |
313aa567 FB |
2350 | dumb_display_init(ds); |
2351 | } else { | |
2352 | #ifdef CONFIG_SDL | |
2353 | sdl_display_init(ds); | |
313aa567 FB |
2354 | #else |
2355 | dumb_display_init(ds); | |
2356 | #endif | |
2357 | } | |
0824d6fc | 2358 | |
0824d6fc | 2359 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2360 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2361 | |
77fef8c1 FB |
2362 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2363 | { | |
2364 | stack_t stk; | |
73332e5c | 2365 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2366 | stk.ss_sp = signal_stack; |
2367 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2368 | stk.ss_flags = 0; | |
2369 | ||
2370 | if (sigaltstack(&stk, NULL) < 0) { | |
2371 | perror("sigaltstack"); | |
2372 | exit(1); | |
2373 | } | |
2374 | } | |
2375 | #endif | |
8a7ddc38 FB |
2376 | { |
2377 | struct sigaction act; | |
77fef8c1 | 2378 | |
8a7ddc38 FB |
2379 | sigfillset(&act.sa_mask); |
2380 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2381 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2382 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2383 | #endif |
8a7ddc38 FB |
2384 | act.sa_sigaction = host_segv_handler; |
2385 | sigaction(SIGSEGV, &act, NULL); | |
2386 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2387 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2388 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2389 | #endif |
8a7ddc38 | 2390 | } |
3a51dee6 | 2391 | #endif |
0824d6fc | 2392 | |
67b915a5 | 2393 | #ifndef _WIN32 |
8a7ddc38 FB |
2394 | { |
2395 | struct sigaction act; | |
2396 | sigfillset(&act.sa_mask); | |
2397 | act.sa_flags = 0; | |
2398 | act.sa_handler = SIG_IGN; | |
2399 | sigaction(SIGPIPE, &act, NULL); | |
2400 | } | |
67b915a5 | 2401 | #endif |
73332e5c FB |
2402 | init_timers(); |
2403 | ||
2404 | #if defined(TARGET_I386) | |
2405 | pc_init(ram_size, vga_ram_size, boot_device, | |
2406 | ds, fd_filename, snapshot, | |
2407 | kernel_filename, kernel_cmdline, initrd_filename); | |
2408 | #elif defined(TARGET_PPC) | |
a541f297 FB |
2409 | ppc_init(ram_size, vga_ram_size, boot_device, |
2410 | ds, fd_filename, snapshot, | |
2411 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
2412 | #endif |
2413 | ||
2414 | /* launched after the device init so that it can display or not a | |
2415 | banner */ | |
2416 | monitor_init(); | |
0824d6fc | 2417 | |
8a7ddc38 FB |
2418 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2419 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2420 | |
67b915a5 | 2421 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2422 | if (use_gdbstub) { |
8a7ddc38 FB |
2423 | if (gdbserver_start(gdbstub_port) < 0) { |
2424 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2425 | gdbstub_port); | |
2426 | exit(1); | |
2427 | } else { | |
2428 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2429 | } | |
67b915a5 FB |
2430 | } else |
2431 | #endif | |
a541f297 | 2432 | if (start_emulation) |
67b915a5 | 2433 | { |
8a7ddc38 | 2434 | vm_start(); |
0824d6fc | 2435 | } |
8a7ddc38 FB |
2436 | term_init(); |
2437 | main_loop(); | |
40c3bac3 | 2438 | quit_timers(); |
0824d6fc FB |
2439 | return 0; |
2440 | } |