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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 <unistd.h> |
0824d6fc FB |
27 | #include <fcntl.h> |
28 | #include <signal.h> | |
29 | #include <time.h> | |
0824d6fc | 30 | #include <errno.h> |
67b915a5 FB |
31 | #include <sys/time.h> |
32 | ||
33 | #ifndef _WIN32 | |
34 | #include <sys/times.h> | |
f1510b2c | 35 | #include <sys/wait.h> |
67b915a5 FB |
36 | #include <termios.h> |
37 | #include <sys/poll.h> | |
38 | #include <sys/mman.h> | |
f1510b2c FB |
39 | #include <sys/ioctl.h> |
40 | #include <sys/socket.h> | |
7d3505c5 FB |
41 | #ifdef _BSD |
42 | #include <sys/stat.h> | |
43 | #include <libutil.h> | |
44 | #else | |
f1510b2c FB |
45 | #include <linux/if.h> |
46 | #include <linux/if_tun.h> | |
7d3505c5 FB |
47 | #include <pty.h> |
48 | #include <malloc.h> | |
fd872598 | 49 | #include <linux/rtc.h> |
67b915a5 | 50 | #endif |
7d3505c5 | 51 | #endif |
67b915a5 | 52 | |
c20709aa FB |
53 | #if defined(CONFIG_SLIRP) |
54 | #include "libslirp.h" | |
55 | #endif | |
56 | ||
67b915a5 | 57 | #ifdef _WIN32 |
7d3505c5 | 58 | #include <malloc.h> |
67b915a5 FB |
59 | #include <sys/timeb.h> |
60 | #include <windows.h> | |
61 | #define getopt_long_only getopt_long | |
62 | #define memalign(align, size) malloc(size) | |
63 | #endif | |
64 | ||
73332e5c | 65 | #ifdef CONFIG_SDL |
7d3505c5 | 66 | #if defined(__linux__) |
73332e5c FB |
67 | /* SDL use the pthreads and they modify sigaction. We don't |
68 | want that. */ | |
7d3505c5 | 69 | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) |
73332e5c FB |
70 | extern void __libc_sigaction(); |
71 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
72 | #else | |
73 | extern void __sigaction(); | |
74 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
75 | #endif | |
7d3505c5 | 76 | #endif /* __linux__ */ |
73332e5c | 77 | #endif /* CONFIG_SDL */ |
0824d6fc | 78 | |
0824d6fc | 79 | #include "disas.h" |
fc01f7e7 | 80 | |
8a7ddc38 | 81 | #include "exec-all.h" |
0824d6fc | 82 | |
a541f297 FB |
83 | //#define DO_TB_FLUSH |
84 | ||
5a67135a | 85 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 86 | |
0824d6fc | 87 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 88 | //#define DEBUG_IOPORT |
330d0414 | 89 | |
bb551faa | 90 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 91 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
92 | #else |
93 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
94 | #endif | |
7916e224 | 95 | |
77d4bc34 FB |
96 | #ifdef TARGET_PPC |
97 | #define DEFAULT_RAM_SIZE 144 | |
98 | #else | |
a00bad7e | 99 | #define DEFAULT_RAM_SIZE 32 |
77d4bc34 | 100 | #endif |
8a7ddc38 FB |
101 | /* in ms */ |
102 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 103 | |
7dea1da4 FB |
104 | /* XXX: use a two level table to limit memory usage */ |
105 | #define MAX_IOPORTS 65536 | |
0824d6fc | 106 | |
80cabfad | 107 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 108 | char phys_ram_file[1024]; |
c45886db FB |
109 | CPUState *global_env; |
110 | CPUState *cpu_single_env; | |
c4b1fcc0 | 111 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
112 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
113 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 114 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 | 115 | int vga_ram_size; |
0ced6589 | 116 | int bios_size; |
313aa567 | 117 | static DisplayState display_state; |
a20dd508 | 118 | int nographic; |
313aa567 | 119 | int64_t ticks_per_sec; |
36b486bb | 120 | int boot_device = 'c'; |
0ced6589 | 121 | int ram_size; |
80cabfad FB |
122 | static char network_script[1024]; |
123 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
124 | int nb_nics; |
125 | NetDriverState nd_table[MAX_NICS]; | |
126 | SerialState *serial_console; | |
8a7ddc38 FB |
127 | QEMUTimer *gui_timer; |
128 | int vm_running; | |
aaaa7df6 | 129 | int audio_enabled = 0; |
69b91039 | 130 | int pci_enabled = 0; |
77d4bc34 | 131 | int prep_enabled = 0; |
ee22c2f7 | 132 | int rtc_utc = 1; |
0824d6fc FB |
133 | |
134 | /***********************************************************/ | |
26aa7d72 FB |
135 | /* x86 ISA bus support */ |
136 | ||
137 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 138 | |
c4b1fcc0 | 139 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
140 | { |
141 | #ifdef DEBUG_UNUSED_IOPORT | |
142 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
143 | #endif | |
fc01f7e7 | 144 | return 0xff; |
0824d6fc FB |
145 | } |
146 | ||
c4b1fcc0 | 147 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
148 | { |
149 | #ifdef DEBUG_UNUSED_IOPORT | |
150 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
151 | #endif | |
152 | } | |
153 | ||
154 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 155 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
156 | { |
157 | uint32_t data; | |
db45c29a FB |
158 | data = ioport_read_table[0][address](ioport_opaque[address], address); |
159 | address = (address + 1) & (MAX_IOPORTS - 1); | |
160 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
0824d6fc FB |
161 | return data; |
162 | } | |
163 | ||
c4b1fcc0 | 164 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 165 | { |
db45c29a FB |
166 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
167 | address = (address + 1) & (MAX_IOPORTS - 1); | |
168 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
0824d6fc FB |
169 | } |
170 | ||
c4b1fcc0 | 171 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 172 | { |
fc01f7e7 FB |
173 | #ifdef DEBUG_UNUSED_IOPORT |
174 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
175 | #endif | |
176 | return 0xffffffff; | |
0824d6fc FB |
177 | } |
178 | ||
c4b1fcc0 | 179 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 180 | { |
fc01f7e7 FB |
181 | #ifdef DEBUG_UNUSED_IOPORT |
182 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
183 | #endif | |
0824d6fc FB |
184 | } |
185 | ||
fc01f7e7 | 186 | void init_ioports(void) |
0824d6fc FB |
187 | { |
188 | int i; | |
189 | ||
fc01f7e7 FB |
190 | for(i = 0; i < MAX_IOPORTS; i++) { |
191 | ioport_read_table[0][i] = default_ioport_readb; | |
192 | ioport_write_table[0][i] = default_ioport_writeb; | |
193 | ioport_read_table[1][i] = default_ioport_readw; | |
194 | ioport_write_table[1][i] = default_ioport_writew; | |
195 | ioport_read_table[2][i] = default_ioport_readl; | |
196 | ioport_write_table[2][i] = default_ioport_writel; | |
197 | } | |
0824d6fc FB |
198 | } |
199 | ||
fc01f7e7 | 200 | /* size is the word size in byte */ |
c4b1fcc0 FB |
201 | int register_ioport_read(int start, int length, int size, |
202 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 203 | { |
fc01f7e7 | 204 | int i, bsize; |
f1510b2c | 205 | |
c4b1fcc0 | 206 | if (size == 1) { |
fc01f7e7 | 207 | bsize = 0; |
c4b1fcc0 | 208 | } else if (size == 2) { |
fc01f7e7 | 209 | bsize = 1; |
c4b1fcc0 | 210 | } else if (size == 4) { |
fc01f7e7 | 211 | bsize = 2; |
c4b1fcc0 FB |
212 | } else { |
213 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 214 | return -1; |
c4b1fcc0 FB |
215 | } |
216 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 217 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
218 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
219 | hw_error("register_ioport_read: invalid opaque"); | |
220 | ioport_opaque[i] = opaque; | |
221 | } | |
f1510b2c FB |
222 | return 0; |
223 | } | |
224 | ||
fc01f7e7 | 225 | /* size is the word size in byte */ |
c4b1fcc0 FB |
226 | int register_ioport_write(int start, int length, int size, |
227 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 228 | { |
fc01f7e7 | 229 | int i, bsize; |
f1510b2c | 230 | |
c4b1fcc0 | 231 | if (size == 1) { |
fc01f7e7 | 232 | bsize = 0; |
c4b1fcc0 | 233 | } else if (size == 2) { |
fc01f7e7 | 234 | bsize = 1; |
c4b1fcc0 | 235 | } else if (size == 4) { |
fc01f7e7 | 236 | bsize = 2; |
c4b1fcc0 FB |
237 | } else { |
238 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 239 | return -1; |
c4b1fcc0 FB |
240 | } |
241 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 242 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
243 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
244 | hw_error("register_ioport_read: invalid opaque"); | |
245 | ioport_opaque[i] = opaque; | |
246 | } | |
f1510b2c FB |
247 | return 0; |
248 | } | |
249 | ||
69b91039 FB |
250 | void isa_unassign_ioport(int start, int length) |
251 | { | |
252 | int i; | |
253 | ||
254 | for(i = start; i < start + length; i++) { | |
255 | ioport_read_table[0][i] = default_ioport_readb; | |
256 | ioport_read_table[1][i] = default_ioport_readw; | |
257 | ioport_read_table[2][i] = default_ioport_readl; | |
258 | ||
259 | ioport_write_table[0][i] = default_ioport_writeb; | |
260 | ioport_write_table[1][i] = default_ioport_writew; | |
261 | ioport_write_table[2][i] = default_ioport_writel; | |
262 | } | |
263 | } | |
264 | ||
0824d6fc FB |
265 | void pstrcpy(char *buf, int buf_size, const char *str) |
266 | { | |
267 | int c; | |
268 | char *q = buf; | |
269 | ||
270 | if (buf_size <= 0) | |
271 | return; | |
272 | ||
273 | for(;;) { | |
274 | c = *str++; | |
275 | if (c == 0 || q >= buf + buf_size - 1) | |
276 | break; | |
277 | *q++ = c; | |
278 | } | |
279 | *q = '\0'; | |
280 | } | |
281 | ||
282 | /* strcat and truncate. */ | |
283 | char *pstrcat(char *buf, int buf_size, const char *s) | |
284 | { | |
285 | int len; | |
286 | len = strlen(buf); | |
287 | if (len < buf_size) | |
288 | pstrcpy(buf + len, buf_size - len, s); | |
289 | return buf; | |
290 | } | |
291 | ||
0824d6fc FB |
292 | /* return the size or -1 if error */ |
293 | int load_image(const char *filename, uint8_t *addr) | |
294 | { | |
295 | int fd, size; | |
40c3bac3 | 296 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
297 | if (fd < 0) |
298 | return -1; | |
299 | size = lseek(fd, 0, SEEK_END); | |
300 | lseek(fd, 0, SEEK_SET); | |
301 | if (read(fd, addr, size) != size) { | |
302 | close(fd); | |
303 | return -1; | |
304 | } | |
305 | close(fd); | |
306 | return size; | |
307 | } | |
308 | ||
c45886db | 309 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 310 | { |
fd872598 FB |
311 | #ifdef DEBUG_IOPORT |
312 | if (loglevel & CPU_LOG_IOPORT) | |
313 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
314 | #endif | |
c4b1fcc0 | 315 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
316 | } |
317 | ||
c45886db | 318 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 319 | { |
fd872598 FB |
320 | #ifdef DEBUG_IOPORT |
321 | if (loglevel & CPU_LOG_IOPORT) | |
322 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
323 | #endif | |
c4b1fcc0 | 324 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
325 | } |
326 | ||
c45886db | 327 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 328 | { |
fd872598 FB |
329 | #ifdef DEBUG_IOPORT |
330 | if (loglevel & CPU_LOG_IOPORT) | |
331 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
332 | #endif | |
c4b1fcc0 | 333 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
334 | } |
335 | ||
c45886db | 336 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 337 | { |
fd872598 | 338 | int val; |
fd872598 FB |
339 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
340 | #ifdef DEBUG_IOPORT | |
341 | if (loglevel & CPU_LOG_IOPORT) | |
342 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
343 | #endif | |
344 | return val; | |
0824d6fc FB |
345 | } |
346 | ||
c45886db | 347 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 348 | { |
fd872598 | 349 | int val; |
fd872598 FB |
350 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
351 | #ifdef DEBUG_IOPORT | |
352 | if (loglevel & CPU_LOG_IOPORT) | |
353 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
354 | #endif | |
355 | return val; | |
0824d6fc FB |
356 | } |
357 | ||
c45886db | 358 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 359 | { |
fd872598 | 360 | int val; |
fd872598 FB |
361 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
362 | #ifdef DEBUG_IOPORT | |
363 | if (loglevel & CPU_LOG_IOPORT) | |
364 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
365 | #endif | |
366 | return val; | |
0824d6fc FB |
367 | } |
368 | ||
369 | /***********************************************************/ | |
0824d6fc FB |
370 | void hw_error(const char *fmt, ...) |
371 | { | |
372 | va_list ap; | |
373 | ||
374 | va_start(ap, fmt); | |
375 | fprintf(stderr, "qemu: hardware error: "); | |
376 | vfprintf(stderr, fmt, ap); | |
377 | fprintf(stderr, "\n"); | |
378 | #ifdef TARGET_I386 | |
379 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
380 | #else |
381 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
382 | #endif |
383 | va_end(ap); | |
384 | abort(); | |
385 | } | |
386 | ||
8a7ddc38 FB |
387 | /***********************************************************/ |
388 | /* timers */ | |
389 | ||
34865134 FB |
390 | #if defined(__powerpc__) |
391 | ||
392 | static inline uint32_t get_tbl(void) | |
0824d6fc | 393 | { |
34865134 FB |
394 | uint32_t tbl; |
395 | asm volatile("mftb %0" : "=r" (tbl)); | |
396 | return tbl; | |
0824d6fc FB |
397 | } |
398 | ||
34865134 FB |
399 | static inline uint32_t get_tbu(void) |
400 | { | |
401 | uint32_t tbl; | |
402 | asm volatile("mftbu %0" : "=r" (tbl)); | |
403 | return tbl; | |
404 | } | |
405 | ||
406 | int64_t cpu_get_real_ticks(void) | |
407 | { | |
408 | uint32_t l, h, h1; | |
409 | /* NOTE: we test if wrapping has occurred */ | |
410 | do { | |
411 | h = get_tbu(); | |
412 | l = get_tbl(); | |
413 | h1 = get_tbu(); | |
414 | } while (h != h1); | |
415 | return ((int64_t)h << 32) | l; | |
416 | } | |
417 | ||
418 | #elif defined(__i386__) | |
419 | ||
420 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
421 | { |
422 | int64_t val; | |
e463b581 | 423 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
424 | return val; |
425 | } | |
426 | ||
1115dde7 FB |
427 | #elif defined(__x86_64__) |
428 | ||
429 | int64_t cpu_get_real_ticks(void) | |
430 | { | |
431 | uint32_t low,high; | |
432 | int64_t val; | |
433 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
434 | val = high; | |
435 | val <<= 32; | |
436 | val |= low; | |
437 | return val; | |
438 | } | |
439 | ||
34865134 FB |
440 | #else |
441 | #error unsupported CPU | |
442 | #endif | |
443 | ||
444 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 445 | static int cpu_ticks_enabled; |
34865134 | 446 | |
8a7ddc38 | 447 | static inline int64_t cpu_get_ticks(void) |
34865134 | 448 | { |
8a7ddc38 FB |
449 | if (!cpu_ticks_enabled) { |
450 | return cpu_ticks_offset; | |
451 | } else { | |
452 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
453 | } | |
34865134 FB |
454 | } |
455 | ||
456 | /* enable cpu_get_ticks() */ | |
457 | void cpu_enable_ticks(void) | |
458 | { | |
8a7ddc38 FB |
459 | if (!cpu_ticks_enabled) { |
460 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
461 | cpu_ticks_enabled = 1; | |
462 | } | |
34865134 FB |
463 | } |
464 | ||
465 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
466 | cpu_get_ticks() after that. */ | |
467 | void cpu_disable_ticks(void) | |
468 | { | |
8a7ddc38 FB |
469 | if (cpu_ticks_enabled) { |
470 | cpu_ticks_offset = cpu_get_ticks(); | |
471 | cpu_ticks_enabled = 0; | |
472 | } | |
34865134 FB |
473 | } |
474 | ||
67b915a5 | 475 | static int64_t get_clock(void) |
34865134 | 476 | { |
67b915a5 FB |
477 | #ifdef _WIN32 |
478 | struct _timeb tb; | |
479 | _ftime(&tb); | |
480 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
481 | #else | |
34865134 FB |
482 | struct timeval tv; |
483 | gettimeofday(&tv, NULL); | |
484 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 485 | #endif |
34865134 FB |
486 | } |
487 | ||
0824d6fc FB |
488 | void cpu_calibrate_ticks(void) |
489 | { | |
490 | int64_t usec, ticks; | |
491 | ||
492 | usec = get_clock(); | |
8a7ddc38 | 493 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
494 | #ifdef _WIN32 |
495 | Sleep(50); | |
496 | #else | |
0824d6fc | 497 | usleep(50 * 1000); |
67b915a5 | 498 | #endif |
0824d6fc | 499 | usec = get_clock() - usec; |
8a7ddc38 | 500 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
501 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
502 | } | |
503 | ||
87858c89 | 504 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 505 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
506 | { |
507 | union { | |
508 | uint64_t ll; | |
509 | struct { | |
510 | #ifdef WORDS_BIGENDIAN | |
511 | uint32_t high, low; | |
512 | #else | |
513 | uint32_t low, high; | |
514 | #endif | |
515 | } l; | |
516 | } u, res; | |
517 | uint64_t rl, rh; | |
518 | ||
519 | u.ll = a; | |
520 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
521 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
522 | rh += (rl >> 32); | |
523 | res.l.high = rh / c; | |
524 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
525 | return res.ll; | |
526 | } | |
527 | ||
8a7ddc38 FB |
528 | #define QEMU_TIMER_REALTIME 0 |
529 | #define QEMU_TIMER_VIRTUAL 1 | |
530 | ||
531 | struct QEMUClock { | |
532 | int type; | |
533 | /* XXX: add frequency */ | |
534 | }; | |
535 | ||
536 | struct QEMUTimer { | |
537 | QEMUClock *clock; | |
538 | int64_t expire_time; | |
539 | QEMUTimerCB *cb; | |
540 | void *opaque; | |
541 | struct QEMUTimer *next; | |
542 | }; | |
543 | ||
544 | QEMUClock *rt_clock; | |
545 | QEMUClock *vm_clock; | |
546 | ||
547 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
548 | #ifdef _WIN32 |
549 | static MMRESULT timerID; | |
550 | #else | |
8a7ddc38 FB |
551 | /* frequency of the times() clock tick */ |
552 | static int timer_freq; | |
67b915a5 | 553 | #endif |
8a7ddc38 FB |
554 | |
555 | QEMUClock *qemu_new_clock(int type) | |
556 | { | |
557 | QEMUClock *clock; | |
558 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
559 | if (!clock) | |
560 | return NULL; | |
561 | clock->type = type; | |
562 | return clock; | |
563 | } | |
564 | ||
565 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
566 | { | |
567 | QEMUTimer *ts; | |
568 | ||
569 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
570 | ts->clock = clock; | |
571 | ts->cb = cb; | |
572 | ts->opaque = opaque; | |
573 | return ts; | |
574 | } | |
575 | ||
576 | void qemu_free_timer(QEMUTimer *ts) | |
577 | { | |
578 | qemu_free(ts); | |
579 | } | |
580 | ||
581 | /* stop a timer, but do not dealloc it */ | |
582 | void qemu_del_timer(QEMUTimer *ts) | |
583 | { | |
584 | QEMUTimer **pt, *t; | |
585 | ||
586 | /* NOTE: this code must be signal safe because | |
587 | qemu_timer_expired() can be called from a signal. */ | |
588 | pt = &active_timers[ts->clock->type]; | |
589 | for(;;) { | |
590 | t = *pt; | |
591 | if (!t) | |
592 | break; | |
593 | if (t == ts) { | |
594 | *pt = t->next; | |
595 | break; | |
596 | } | |
597 | pt = &t->next; | |
598 | } | |
599 | } | |
600 | ||
601 | /* modify the current timer so that it will be fired when current_time | |
602 | >= expire_time. The corresponding callback will be called. */ | |
603 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
604 | { | |
605 | QEMUTimer **pt, *t; | |
606 | ||
607 | qemu_del_timer(ts); | |
608 | ||
609 | /* add the timer in the sorted list */ | |
610 | /* NOTE: this code must be signal safe because | |
611 | qemu_timer_expired() can be called from a signal. */ | |
612 | pt = &active_timers[ts->clock->type]; | |
613 | for(;;) { | |
614 | t = *pt; | |
615 | if (!t) | |
616 | break; | |
617 | if (t->expire_time > expire_time) | |
618 | break; | |
619 | pt = &t->next; | |
620 | } | |
621 | ts->expire_time = expire_time; | |
622 | ts->next = *pt; | |
623 | *pt = ts; | |
624 | } | |
625 | ||
626 | int qemu_timer_pending(QEMUTimer *ts) | |
627 | { | |
628 | QEMUTimer *t; | |
629 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
630 | if (t == ts) | |
631 | return 1; | |
632 | } | |
633 | return 0; | |
634 | } | |
635 | ||
636 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
637 | { | |
638 | if (!timer_head) | |
639 | return 0; | |
640 | return (timer_head->expire_time <= current_time); | |
641 | } | |
642 | ||
643 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
644 | { | |
645 | QEMUTimer *ts; | |
646 | ||
647 | for(;;) { | |
648 | ts = *ptimer_head; | |
649 | if (ts->expire_time > current_time) | |
650 | break; | |
651 | /* remove timer from the list before calling the callback */ | |
652 | *ptimer_head = ts->next; | |
653 | ts->next = NULL; | |
654 | ||
655 | /* run the callback (the timer list can be modified) */ | |
656 | ts->cb(ts->opaque); | |
657 | } | |
658 | } | |
659 | ||
660 | int64_t qemu_get_clock(QEMUClock *clock) | |
661 | { | |
662 | switch(clock->type) { | |
663 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
664 | #ifdef _WIN32 |
665 | return GetTickCount(); | |
666 | #else | |
7d3505c5 FB |
667 | { |
668 | struct tms tp; | |
669 | ||
670 | /* Note that using gettimeofday() is not a good solution | |
671 | for timers because its value change when the date is | |
672 | modified. */ | |
673 | if (timer_freq == 100) { | |
674 | return times(&tp) * 10; | |
675 | } else { | |
676 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
677 | } | |
8a7ddc38 | 678 | } |
67b915a5 | 679 | #endif |
8a7ddc38 FB |
680 | default: |
681 | case QEMU_TIMER_VIRTUAL: | |
682 | return cpu_get_ticks(); | |
683 | } | |
684 | } | |
685 | ||
686 | /* save a timer */ | |
687 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
688 | { | |
689 | uint64_t expire_time; | |
690 | ||
691 | if (qemu_timer_pending(ts)) { | |
692 | expire_time = ts->expire_time; | |
693 | } else { | |
694 | expire_time = -1; | |
695 | } | |
696 | qemu_put_be64(f, expire_time); | |
697 | } | |
698 | ||
699 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
700 | { | |
701 | uint64_t expire_time; | |
702 | ||
703 | expire_time = qemu_get_be64(f); | |
704 | if (expire_time != -1) { | |
705 | qemu_mod_timer(ts, expire_time); | |
706 | } else { | |
707 | qemu_del_timer(ts); | |
708 | } | |
709 | } | |
710 | ||
711 | static void timer_save(QEMUFile *f, void *opaque) | |
712 | { | |
713 | if (cpu_ticks_enabled) { | |
714 | hw_error("cannot save state if virtual timers are running"); | |
715 | } | |
716 | qemu_put_be64s(f, &cpu_ticks_offset); | |
717 | qemu_put_be64s(f, &ticks_per_sec); | |
718 | } | |
719 | ||
720 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
721 | { | |
722 | if (version_id != 1) | |
723 | return -EINVAL; | |
724 | if (cpu_ticks_enabled) { | |
725 | return -EINVAL; | |
726 | } | |
727 | qemu_get_be64s(f, &cpu_ticks_offset); | |
728 | qemu_get_be64s(f, &ticks_per_sec); | |
729 | return 0; | |
730 | } | |
731 | ||
67b915a5 FB |
732 | #ifdef _WIN32 |
733 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
734 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
735 | #else | |
8a7ddc38 | 736 | static void host_alarm_handler(int host_signum) |
67b915a5 | 737 | #endif |
8a7ddc38 FB |
738 | { |
739 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
740 | qemu_get_clock(vm_clock)) || | |
741 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
742 | qemu_get_clock(rt_clock))) { | |
743 | /* stop the cpu because a timer occured */ | |
744 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
745 | } | |
746 | } | |
747 | ||
fd872598 FB |
748 | #ifndef _WIN32 |
749 | ||
829309c7 FB |
750 | #if defined(__linux__) |
751 | ||
fd872598 FB |
752 | #define RTC_FREQ 1024 |
753 | ||
754 | static int rtc_fd; | |
829309c7 | 755 | |
fd872598 FB |
756 | static int start_rtc_timer(void) |
757 | { | |
758 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
759 | if (rtc_fd < 0) | |
760 | return -1; | |
761 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
762 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
763 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
764 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
765 | goto fail; | |
766 | } | |
767 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
768 | fail: | |
769 | close(rtc_fd); | |
770 | return -1; | |
771 | } | |
772 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
773 | return 0; | |
774 | } | |
775 | ||
829309c7 FB |
776 | #else |
777 | ||
778 | static int start_rtc_timer(void) | |
779 | { | |
780 | return -1; | |
781 | } | |
782 | ||
783 | #endif /* !defined(__linux__) */ | |
784 | ||
785 | #endif /* !defined(_WIN32) */ | |
fd872598 | 786 | |
8a7ddc38 FB |
787 | static void init_timers(void) |
788 | { | |
8a7ddc38 FB |
789 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
790 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
791 | ||
67b915a5 FB |
792 | #ifdef _WIN32 |
793 | { | |
794 | int count=0; | |
40c3bac3 FB |
795 | timerID = timeSetEvent(10, // interval (ms) |
796 | 0, // resolution | |
797 | host_alarm_handler, // function | |
798 | (DWORD)&count, // user parameter | |
799 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
800 | if( !timerID ) { |
801 | perror("failed timer alarm"); | |
802 | exit(1); | |
803 | } | |
804 | } | |
805 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
806 | #else | |
807 | { | |
808 | struct sigaction act; | |
809 | struct itimerval itv; | |
810 | ||
811 | /* get times() syscall frequency */ | |
812 | timer_freq = sysconf(_SC_CLK_TCK); | |
813 | ||
814 | /* timer signal */ | |
815 | sigfillset(&act.sa_mask); | |
816 | act.sa_flags = 0; | |
8a7ddc38 | 817 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
818 | act.sa_flags |= SA_ONSTACK; |
819 | #endif | |
820 | act.sa_handler = host_alarm_handler; | |
821 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 822 | |
67b915a5 FB |
823 | itv.it_interval.tv_sec = 0; |
824 | itv.it_interval.tv_usec = 1000; | |
825 | itv.it_value.tv_sec = 0; | |
826 | itv.it_value.tv_usec = 10 * 1000; | |
827 | setitimer(ITIMER_REAL, &itv, NULL); | |
828 | /* we probe the tick duration of the kernel to inform the user if | |
829 | the emulated kernel requested a too high timer frequency */ | |
830 | getitimer(ITIMER_REAL, &itv); | |
fd872598 FB |
831 | |
832 | if (itv.it_interval.tv_usec > 1000) { | |
833 | /* try to use /dev/rtc to have a faster timer */ | |
834 | if (start_rtc_timer() < 0) | |
835 | goto use_itimer; | |
836 | /* disable itimer */ | |
837 | itv.it_interval.tv_sec = 0; | |
838 | itv.it_interval.tv_usec = 0; | |
839 | itv.it_value.tv_sec = 0; | |
840 | itv.it_value.tv_usec = 0; | |
841 | setitimer(ITIMER_REAL, &itv, NULL); | |
842 | ||
843 | /* use the RTC */ | |
844 | sigaction(SIGIO, &act, NULL); | |
845 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
846 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
847 | } else { | |
848 | use_itimer: | |
849 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
850 | PIT_FREQ) / 1000000; | |
851 | } | |
67b915a5 | 852 | } |
8a7ddc38 | 853 | #endif |
8a7ddc38 FB |
854 | } |
855 | ||
40c3bac3 FB |
856 | void quit_timers(void) |
857 | { | |
858 | #ifdef _WIN32 | |
859 | timeKillEvent(timerID); | |
860 | #endif | |
861 | } | |
862 | ||
c4b1fcc0 FB |
863 | /***********************************************************/ |
864 | /* serial device */ | |
313aa567 | 865 | |
67b915a5 FB |
866 | #ifdef _WIN32 |
867 | ||
868 | int serial_open_device(void) | |
869 | { | |
870 | return -1; | |
871 | } | |
872 | ||
873 | #else | |
874 | ||
c4b1fcc0 | 875 | int serial_open_device(void) |
313aa567 | 876 | { |
c4b1fcc0 FB |
877 | char slave_name[1024]; |
878 | int master_fd, slave_fd; | |
313aa567 | 879 | |
c4b1fcc0 FB |
880 | if (serial_console == NULL && nographic) { |
881 | /* use console for serial port */ | |
882 | return 0; | |
80cabfad | 883 | } else { |
77d4bc34 FB |
884 | #if 0 |
885 | /* Not satisfying */ | |
c4b1fcc0 FB |
886 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
887 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
888 | return -1; | |
889 | } | |
890 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
891 | return master_fd; | |
77d4bc34 FB |
892 | #else |
893 | return -1; | |
894 | #endif | |
330d0414 | 895 | } |
330d0414 FB |
896 | } |
897 | ||
67b915a5 FB |
898 | #endif |
899 | ||
80cabfad | 900 | /***********************************************************/ |
c20709aa | 901 | /* Linux network device redirectors */ |
330d0414 | 902 | |
c20709aa FB |
903 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
904 | { | |
905 | int len, i, j, c; | |
906 | ||
907 | for(i=0;i<size;i+=16) { | |
908 | len = size - i; | |
909 | if (len > 16) | |
910 | len = 16; | |
911 | fprintf(f, "%08x ", i); | |
912 | for(j=0;j<16;j++) { | |
913 | if (j < len) | |
914 | fprintf(f, " %02x", buf[i+j]); | |
915 | else | |
916 | fprintf(f, " "); | |
917 | } | |
918 | fprintf(f, " "); | |
919 | for(j=0;j<len;j++) { | |
920 | c = buf[i+j]; | |
921 | if (c < ' ' || c > '~') | |
922 | c = '.'; | |
923 | fprintf(f, "%c", c); | |
924 | } | |
925 | fprintf(f, "\n"); | |
926 | } | |
927 | } | |
928 | ||
929 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
930 | { | |
931 | nd->send_packet(nd, buf, size); | |
932 | } | |
67b915a5 | 933 | |
c20709aa FB |
934 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
935 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 936 | { |
c20709aa FB |
937 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
938 | } | |
939 | ||
940 | /* dummy network adapter */ | |
941 | ||
942 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
943 | { | |
944 | } | |
945 | ||
946 | static void dummy_add_read_packet(NetDriverState *nd, | |
947 | IOCanRWHandler *fd_can_read, | |
948 | IOReadHandler *fd_read, void *opaque) | |
949 | { | |
950 | } | |
951 | ||
952 | static int net_dummy_init(NetDriverState *nd) | |
953 | { | |
954 | nd->send_packet = dummy_send_packet; | |
955 | nd->add_read_packet = dummy_add_read_packet; | |
956 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
957 | return 0; |
958 | } | |
959 | ||
c20709aa FB |
960 | #if defined(CONFIG_SLIRP) |
961 | ||
962 | /* slirp network adapter */ | |
963 | ||
964 | static void *slirp_fd_opaque; | |
965 | static IOCanRWHandler *slirp_fd_can_read; | |
966 | static IOReadHandler *slirp_fd_read; | |
967 | static int slirp_inited; | |
968 | ||
969 | int slirp_can_output(void) | |
970 | { | |
971 | return slirp_fd_can_read(slirp_fd_opaque); | |
972 | } | |
973 | ||
974 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 975 | { |
c20709aa FB |
976 | #if 0 |
977 | printf("output:\n"); | |
978 | hex_dump(stdout, pkt, pkt_len); | |
979 | #endif | |
980 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
981 | } |
982 | ||
c20709aa FB |
983 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
984 | { | |
985 | #if 0 | |
986 | printf("input:\n"); | |
987 | hex_dump(stdout, buf, size); | |
988 | #endif | |
989 | slirp_input(buf, size); | |
990 | } | |
991 | ||
992 | static void slirp_add_read_packet(NetDriverState *nd, | |
993 | IOCanRWHandler *fd_can_read, | |
994 | IOReadHandler *fd_read, void *opaque) | |
995 | { | |
996 | slirp_fd_opaque = opaque; | |
997 | slirp_fd_can_read = fd_can_read; | |
998 | slirp_fd_read = fd_read; | |
999 | } | |
1000 | ||
1001 | static int net_slirp_init(NetDriverState *nd) | |
1002 | { | |
1003 | if (!slirp_inited) { | |
1004 | slirp_inited = 1; | |
1005 | slirp_init(); | |
1006 | } | |
1007 | nd->send_packet = slirp_send_packet; | |
1008 | nd->add_read_packet = slirp_add_read_packet; | |
1009 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | #endif /* CONFIG_SLIRP */ | |
1014 | ||
1015 | #if !defined(_WIN32) | |
7d3505c5 FB |
1016 | #ifdef _BSD |
1017 | static int tun_open(char *ifname, int ifname_size) | |
1018 | { | |
1019 | int fd; | |
1020 | char *dev; | |
1021 | struct stat s; | |
67b915a5 | 1022 | |
7d3505c5 FB |
1023 | fd = open("/dev/tap", O_RDWR); |
1024 | if (fd < 0) { | |
1025 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1026 | return -1; | |
1027 | } | |
1028 | ||
1029 | fstat(fd, &s); | |
1030 | dev = devname(s.st_rdev, S_IFCHR); | |
1031 | pstrcpy(ifname, ifname_size, dev); | |
1032 | ||
1033 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1034 | return fd; | |
1035 | } | |
1036 | #else | |
c4b1fcc0 | 1037 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 1038 | { |
80cabfad | 1039 | struct ifreq ifr; |
c4b1fcc0 | 1040 | int fd, ret; |
80cabfad FB |
1041 | |
1042 | fd = open("/dev/net/tun", O_RDWR); | |
1043 | if (fd < 0) { | |
1044 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1045 | return -1; | |
330d0414 | 1046 | } |
80cabfad FB |
1047 | memset(&ifr, 0, sizeof(ifr)); |
1048 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1049 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
1050 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1051 | if (ret != 0) { | |
1052 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1053 | close(fd); | |
1054 | return -1; | |
1055 | } | |
1056 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 1057 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 1058 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
1059 | return fd; |
1060 | } | |
7d3505c5 | 1061 | #endif |
330d0414 | 1062 | |
c20709aa FB |
1063 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1064 | { | |
1065 | write(nd->fd, buf, size); | |
1066 | } | |
1067 | ||
1068 | static void tun_add_read_packet(NetDriverState *nd, | |
1069 | IOCanRWHandler *fd_can_read, | |
1070 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1071 | { |
c20709aa FB |
1072 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1073 | } | |
1074 | ||
1075 | static int net_tun_init(NetDriverState *nd) | |
1076 | { | |
1077 | int pid, status; | |
1078 | char *args[3]; | |
c4b1fcc0 FB |
1079 | char **parg; |
1080 | ||
c20709aa FB |
1081 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1082 | if (nd->fd < 0) | |
1083 | return -1; | |
c4b1fcc0 | 1084 | |
c20709aa FB |
1085 | /* try to launch network init script */ |
1086 | pid = fork(); | |
1087 | if (pid >= 0) { | |
1088 | if (pid == 0) { | |
1089 | parg = args; | |
1090 | *parg++ = network_script; | |
1091 | *parg++ = nd->ifname; | |
1092 | *parg++ = NULL; | |
1093 | execv(network_script, args); | |
1094 | exit(1); | |
1095 | } | |
1096 | while (waitpid(pid, &status, 0) != pid); | |
1097 | if (!WIFEXITED(status) || | |
1098 | WEXITSTATUS(status) != 0) { | |
1099 | fprintf(stderr, "%s: could not launch network script\n", | |
1100 | network_script); | |
80cabfad | 1101 | } |
330d0414 | 1102 | } |
c20709aa FB |
1103 | nd->send_packet = tun_send_packet; |
1104 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1105 | return 0; |
330d0414 FB |
1106 | } |
1107 | ||
c20709aa | 1108 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1109 | { |
c20709aa FB |
1110 | nd->fd = fd; |
1111 | nd->send_packet = tun_send_packet; | |
1112 | nd->add_read_packet = tun_add_read_packet; | |
1113 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1114 | return 0; | |
80cabfad | 1115 | } |
330d0414 | 1116 | |
c20709aa | 1117 | #endif /* !_WIN32 */ |
67b915a5 | 1118 | |
313aa567 FB |
1119 | /***********************************************************/ |
1120 | /* dumb display */ | |
1121 | ||
67b915a5 FB |
1122 | #ifdef _WIN32 |
1123 | ||
1124 | static void term_exit(void) | |
1125 | { | |
1126 | } | |
1127 | ||
1128 | static void term_init(void) | |
1129 | { | |
1130 | } | |
1131 | ||
1132 | #else | |
1133 | ||
313aa567 FB |
1134 | /* init terminal so that we can grab keys */ |
1135 | static struct termios oldtty; | |
1136 | ||
1137 | static void term_exit(void) | |
1138 | { | |
1139 | tcsetattr (0, TCSANOW, &oldtty); | |
1140 | } | |
1141 | ||
1142 | static void term_init(void) | |
1143 | { | |
1144 | struct termios tty; | |
1145 | ||
1146 | tcgetattr (0, &tty); | |
1147 | oldtty = tty; | |
1148 | ||
1149 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1150 | |INLCR|IGNCR|ICRNL|IXON); | |
1151 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
1152 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1153 | /* if graphical mode, we allow Ctrl-C handling */ | |
1154 | if (nographic) | |
1155 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
1156 | tty.c_cflag &= ~(CSIZE|PARENB); |
1157 | tty.c_cflag |= CS8; | |
1158 | tty.c_cc[VMIN] = 1; | |
1159 | tty.c_cc[VTIME] = 0; | |
1160 | ||
1161 | tcsetattr (0, TCSANOW, &tty); | |
1162 | ||
1163 | atexit(term_exit); | |
1164 | ||
1165 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1166 | } | |
1167 | ||
67b915a5 FB |
1168 | #endif |
1169 | ||
313aa567 FB |
1170 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1171 | { | |
1172 | } | |
1173 | ||
1174 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1175 | { | |
1176 | } | |
1177 | ||
1178 | static void dumb_refresh(DisplayState *ds) | |
1179 | { | |
1180 | vga_update_display(); | |
1181 | } | |
1182 | ||
1183 | void dumb_display_init(DisplayState *ds) | |
1184 | { | |
1185 | ds->data = NULL; | |
1186 | ds->linesize = 0; | |
1187 | ds->depth = 0; | |
1188 | ds->dpy_update = dumb_update; | |
1189 | ds->dpy_resize = dumb_resize; | |
1190 | ds->dpy_refresh = dumb_refresh; | |
1191 | } | |
1192 | ||
3a51dee6 | 1193 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1194 | /***********************************************************/ |
0824d6fc FB |
1195 | /* cpu signal handler */ |
1196 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1197 | void *puc) | |
1198 | { | |
1199 | if (cpu_signal_handler(host_signum, info, puc)) | |
1200 | return; | |
1201 | term_exit(); | |
1202 | abort(); | |
1203 | } | |
3a51dee6 | 1204 | #endif |
0824d6fc | 1205 | |
8a7ddc38 FB |
1206 | /***********************************************************/ |
1207 | /* I/O handling */ | |
0824d6fc | 1208 | |
c4b1fcc0 FB |
1209 | #define MAX_IO_HANDLERS 64 |
1210 | ||
1211 | typedef struct IOHandlerRecord { | |
1212 | int fd; | |
1213 | IOCanRWHandler *fd_can_read; | |
1214 | IOReadHandler *fd_read; | |
1215 | void *opaque; | |
1216 | /* temporary data */ | |
1217 | struct pollfd *ufd; | |
1218 | int max_size; | |
8a7ddc38 | 1219 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1220 | } IOHandlerRecord; |
1221 | ||
8a7ddc38 | 1222 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1223 | |
8a7ddc38 FB |
1224 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1225 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1226 | { |
1227 | IOHandlerRecord *ioh; | |
1228 | ||
8a7ddc38 FB |
1229 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1230 | if (!ioh) | |
c4b1fcc0 | 1231 | return -1; |
c4b1fcc0 FB |
1232 | ioh->fd = fd; |
1233 | ioh->fd_can_read = fd_can_read; | |
1234 | ioh->fd_read = fd_read; | |
1235 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1236 | ioh->next = first_io_handler; |
1237 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1238 | return 0; |
1239 | } | |
1240 | ||
8a7ddc38 FB |
1241 | void qemu_del_fd_read_handler(int fd) |
1242 | { | |
1243 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1244 | |
8a7ddc38 FB |
1245 | pioh = &first_io_handler; |
1246 | for(;;) { | |
1247 | ioh = *pioh; | |
1248 | if (ioh == NULL) | |
1249 | break; | |
1250 | if (ioh->fd == fd) { | |
1251 | *pioh = ioh->next; | |
1252 | break; | |
1253 | } | |
1254 | pioh = &ioh->next; | |
1255 | } | |
1256 | } | |
1257 | ||
1258 | /***********************************************************/ | |
1259 | /* savevm/loadvm support */ | |
1260 | ||
1261 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1262 | { |
8a7ddc38 | 1263 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1264 | } |
1265 | ||
8a7ddc38 | 1266 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1267 | { |
8a7ddc38 FB |
1268 | fputc(v, f); |
1269 | } | |
1270 | ||
1271 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1272 | { | |
1273 | qemu_put_byte(f, v >> 8); | |
1274 | qemu_put_byte(f, v); | |
1275 | } | |
1276 | ||
1277 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1278 | { | |
1279 | qemu_put_byte(f, v >> 24); | |
1280 | qemu_put_byte(f, v >> 16); | |
1281 | qemu_put_byte(f, v >> 8); | |
1282 | qemu_put_byte(f, v); | |
1283 | } | |
1284 | ||
1285 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1286 | { | |
1287 | qemu_put_be32(f, v >> 32); | |
1288 | qemu_put_be32(f, v); | |
1289 | } | |
1290 | ||
1291 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1292 | { | |
1293 | return fread(buf, 1, size, f); | |
1294 | } | |
1295 | ||
1296 | int qemu_get_byte(QEMUFile *f) | |
1297 | { | |
1298 | int v; | |
1299 | v = fgetc(f); | |
1300 | if (v == EOF) | |
1301 | return 0; | |
1302 | else | |
1303 | return v; | |
1304 | } | |
1305 | ||
1306 | unsigned int qemu_get_be16(QEMUFile *f) | |
1307 | { | |
1308 | unsigned int v; | |
1309 | v = qemu_get_byte(f) << 8; | |
1310 | v |= qemu_get_byte(f); | |
1311 | return v; | |
1312 | } | |
1313 | ||
1314 | unsigned int qemu_get_be32(QEMUFile *f) | |
1315 | { | |
1316 | unsigned int v; | |
1317 | v = qemu_get_byte(f) << 24; | |
1318 | v |= qemu_get_byte(f) << 16; | |
1319 | v |= qemu_get_byte(f) << 8; | |
1320 | v |= qemu_get_byte(f); | |
1321 | return v; | |
1322 | } | |
1323 | ||
1324 | uint64_t qemu_get_be64(QEMUFile *f) | |
1325 | { | |
1326 | uint64_t v; | |
1327 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1328 | v |= qemu_get_be32(f); | |
1329 | return v; | |
1330 | } | |
1331 | ||
1332 | int64_t qemu_ftell(QEMUFile *f) | |
1333 | { | |
1334 | return ftell(f); | |
1335 | } | |
1336 | ||
1337 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1338 | { | |
1339 | if (fseek(f, pos, whence) < 0) | |
1340 | return -1; | |
1341 | return ftell(f); | |
1342 | } | |
1343 | ||
1344 | typedef struct SaveStateEntry { | |
1345 | char idstr[256]; | |
1346 | int instance_id; | |
1347 | int version_id; | |
1348 | SaveStateHandler *save_state; | |
1349 | LoadStateHandler *load_state; | |
1350 | void *opaque; | |
1351 | struct SaveStateEntry *next; | |
1352 | } SaveStateEntry; | |
b4608c04 | 1353 | |
8a7ddc38 FB |
1354 | static SaveStateEntry *first_se; |
1355 | ||
1356 | int register_savevm(const char *idstr, | |
1357 | int instance_id, | |
1358 | int version_id, | |
1359 | SaveStateHandler *save_state, | |
1360 | LoadStateHandler *load_state, | |
1361 | void *opaque) | |
1362 | { | |
1363 | SaveStateEntry *se, **pse; | |
1364 | ||
1365 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1366 | if (!se) | |
1367 | return -1; | |
1368 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1369 | se->instance_id = instance_id; | |
1370 | se->version_id = version_id; | |
1371 | se->save_state = save_state; | |
1372 | se->load_state = load_state; | |
1373 | se->opaque = opaque; | |
1374 | se->next = NULL; | |
1375 | ||
1376 | /* add at the end of list */ | |
1377 | pse = &first_se; | |
1378 | while (*pse != NULL) | |
1379 | pse = &(*pse)->next; | |
1380 | *pse = se; | |
1381 | return 0; | |
1382 | } | |
1383 | ||
1384 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1385 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1386 | ||
1387 | int qemu_savevm(const char *filename) | |
1388 | { | |
1389 | SaveStateEntry *se; | |
1390 | QEMUFile *f; | |
1391 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1392 | ||
1393 | saved_vm_running = vm_running; | |
1394 | vm_stop(0); | |
1395 | ||
1396 | f = fopen(filename, "wb"); | |
1397 | if (!f) { | |
1398 | ret = -1; | |
1399 | goto the_end; | |
313aa567 FB |
1400 | } |
1401 | ||
8a7ddc38 FB |
1402 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1403 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1404 | ||
1405 | for(se = first_se; se != NULL; se = se->next) { | |
1406 | /* ID string */ | |
1407 | len = strlen(se->idstr); | |
1408 | qemu_put_byte(f, len); | |
1409 | qemu_put_buffer(f, se->idstr, len); | |
1410 | ||
1411 | qemu_put_be32(f, se->instance_id); | |
1412 | qemu_put_be32(f, se->version_id); | |
1413 | ||
1414 | /* record size: filled later */ | |
1415 | len_pos = ftell(f); | |
1416 | qemu_put_be32(f, 0); | |
1417 | ||
1418 | se->save_state(f, se->opaque); | |
1419 | ||
1420 | /* fill record size */ | |
1421 | cur_pos = ftell(f); | |
1422 | len = ftell(f) - len_pos - 4; | |
1423 | fseek(f, len_pos, SEEK_SET); | |
1424 | qemu_put_be32(f, len); | |
1425 | fseek(f, cur_pos, SEEK_SET); | |
1426 | } | |
1427 | ||
1428 | fclose(f); | |
1429 | ret = 0; | |
1430 | the_end: | |
1431 | if (saved_vm_running) | |
1432 | vm_start(); | |
1433 | return ret; | |
1434 | } | |
1435 | ||
1436 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1437 | { | |
1438 | SaveStateEntry *se; | |
1439 | ||
1440 | for(se = first_se; se != NULL; se = se->next) { | |
1441 | if (!strcmp(se->idstr, idstr) && | |
1442 | instance_id == se->instance_id) | |
1443 | return se; | |
1444 | } | |
1445 | return NULL; | |
1446 | } | |
1447 | ||
1448 | int qemu_loadvm(const char *filename) | |
1449 | { | |
1450 | SaveStateEntry *se; | |
1451 | QEMUFile *f; | |
1452 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1453 | int saved_vm_running; | |
1454 | unsigned int v; | |
1455 | char idstr[256]; | |
1456 | ||
1457 | saved_vm_running = vm_running; | |
1458 | vm_stop(0); | |
1459 | ||
1460 | f = fopen(filename, "rb"); | |
1461 | if (!f) { | |
1462 | ret = -1; | |
1463 | goto the_end; | |
1464 | } | |
1465 | ||
1466 | v = qemu_get_be32(f); | |
1467 | if (v != QEMU_VM_FILE_MAGIC) | |
1468 | goto fail; | |
1469 | v = qemu_get_be32(f); | |
1470 | if (v != QEMU_VM_FILE_VERSION) { | |
1471 | fail: | |
1472 | fclose(f); | |
1473 | ret = -1; | |
1474 | goto the_end; | |
1475 | } | |
b4608c04 | 1476 | for(;;) { |
a541f297 | 1477 | #if defined (DO_TB_FLUSH) |
d927637d | 1478 | tb_flush(global_env); |
a541f297 | 1479 | #endif |
8a7ddc38 FB |
1480 | len = qemu_get_byte(f); |
1481 | if (feof(f)) | |
cd4c3e88 | 1482 | break; |
8a7ddc38 FB |
1483 | qemu_get_buffer(f, idstr, len); |
1484 | idstr[len] = '\0'; | |
1485 | instance_id = qemu_get_be32(f); | |
1486 | version_id = qemu_get_be32(f); | |
1487 | record_len = qemu_get_be32(f); | |
1488 | #if 0 | |
1489 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1490 | idstr, instance_id, version_id, record_len); | |
1491 | #endif | |
1492 | cur_pos = ftell(f); | |
1493 | se = find_se(idstr, instance_id); | |
1494 | if (!se) { | |
1495 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1496 | instance_id, idstr); | |
1497 | } else { | |
1498 | ret = se->load_state(f, se->opaque, version_id); | |
1499 | if (ret < 0) { | |
1500 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1501 | instance_id, idstr); | |
1502 | } | |
34865134 | 1503 | } |
8a7ddc38 FB |
1504 | /* always seek to exact end of record */ |
1505 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1506 | } | |
1507 | fclose(f); | |
1508 | ret = 0; | |
1509 | the_end: | |
1510 | if (saved_vm_running) | |
1511 | vm_start(); | |
1512 | return ret; | |
1513 | } | |
1514 | ||
1515 | /***********************************************************/ | |
1516 | /* cpu save/restore */ | |
1517 | ||
1518 | #if defined(TARGET_I386) | |
1519 | ||
1520 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1521 | { | |
1522 | qemu_put_be32(f, (uint32_t)dt->base); | |
1523 | qemu_put_be32(f, dt->limit); | |
1524 | qemu_put_be32(f, dt->flags); | |
1525 | } | |
1526 | ||
1527 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1528 | { | |
1529 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1530 | dt->limit = qemu_get_be32(f); | |
1531 | dt->flags = qemu_get_be32(f); | |
1532 | } | |
1533 | ||
1534 | void cpu_save(QEMUFile *f, void *opaque) | |
1535 | { | |
1536 | CPUState *env = opaque; | |
1537 | uint16_t fptag, fpus, fpuc; | |
1538 | uint32_t hflags; | |
1539 | int i; | |
1540 | ||
1541 | for(i = 0; i < 8; i++) | |
1542 | qemu_put_be32s(f, &env->regs[i]); | |
1543 | qemu_put_be32s(f, &env->eip); | |
1544 | qemu_put_be32s(f, &env->eflags); | |
1545 | qemu_put_be32s(f, &env->eflags); | |
1546 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1547 | qemu_put_be32s(f, &hflags); | |
1548 | ||
1549 | /* FPU */ | |
1550 | fpuc = env->fpuc; | |
1551 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1552 | fptag = 0; | |
1553 | for (i=7; i>=0; i--) { | |
1554 | fptag <<= 2; | |
1555 | if (env->fptags[i]) { | |
1556 | fptag |= 3; | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | qemu_put_be16s(f, &fpuc); | |
1561 | qemu_put_be16s(f, &fpus); | |
1562 | qemu_put_be16s(f, &fptag); | |
1563 | ||
1564 | for(i = 0; i < 8; i++) { | |
1565 | uint64_t mant; | |
1566 | uint16_t exp; | |
1567 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1568 | qemu_put_be64(f, mant); | |
1569 | qemu_put_be16(f, exp); | |
1570 | } | |
1571 | ||
1572 | for(i = 0; i < 6; i++) | |
1573 | cpu_put_seg(f, &env->segs[i]); | |
1574 | cpu_put_seg(f, &env->ldt); | |
1575 | cpu_put_seg(f, &env->tr); | |
1576 | cpu_put_seg(f, &env->gdt); | |
1577 | cpu_put_seg(f, &env->idt); | |
1578 | ||
1579 | qemu_put_be32s(f, &env->sysenter_cs); | |
1580 | qemu_put_be32s(f, &env->sysenter_esp); | |
1581 | qemu_put_be32s(f, &env->sysenter_eip); | |
1582 | ||
1583 | qemu_put_be32s(f, &env->cr[0]); | |
1584 | qemu_put_be32s(f, &env->cr[2]); | |
1585 | qemu_put_be32s(f, &env->cr[3]); | |
1586 | qemu_put_be32s(f, &env->cr[4]); | |
1587 | ||
1588 | for(i = 0; i < 8; i++) | |
1589 | qemu_put_be32s(f, &env->dr[i]); | |
1590 | ||
1591 | /* MMU */ | |
1592 | qemu_put_be32s(f, &env->a20_mask); | |
1593 | } | |
1594 | ||
1595 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1596 | { | |
1597 | CPUState *env = opaque; | |
1598 | int i; | |
1599 | uint32_t hflags; | |
1600 | uint16_t fpus, fpuc, fptag; | |
1601 | ||
1602 | if (version_id != 1) | |
1603 | return -EINVAL; | |
1604 | for(i = 0; i < 8; i++) | |
1605 | qemu_get_be32s(f, &env->regs[i]); | |
1606 | qemu_get_be32s(f, &env->eip); | |
1607 | qemu_get_be32s(f, &env->eflags); | |
1608 | qemu_get_be32s(f, &env->eflags); | |
1609 | qemu_get_be32s(f, &hflags); | |
1610 | ||
1611 | qemu_get_be16s(f, &fpuc); | |
1612 | qemu_get_be16s(f, &fpus); | |
1613 | qemu_get_be16s(f, &fptag); | |
1614 | ||
1615 | for(i = 0; i < 8; i++) { | |
1616 | uint64_t mant; | |
1617 | uint16_t exp; | |
1618 | mant = qemu_get_be64(f); | |
1619 | exp = qemu_get_be16(f); | |
1620 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1621 | } | |
1622 | ||
1623 | env->fpuc = fpuc; | |
1624 | env->fpstt = (fpus >> 11) & 7; | |
1625 | env->fpus = fpus & ~0x3800; | |
1626 | for(i = 0; i < 8; i++) { | |
1627 | env->fptags[i] = ((fptag & 3) == 3); | |
1628 | fptag >>= 2; | |
1629 | } | |
1630 | ||
1631 | for(i = 0; i < 6; i++) | |
1632 | cpu_get_seg(f, &env->segs[i]); | |
1633 | cpu_get_seg(f, &env->ldt); | |
1634 | cpu_get_seg(f, &env->tr); | |
1635 | cpu_get_seg(f, &env->gdt); | |
1636 | cpu_get_seg(f, &env->idt); | |
1637 | ||
1638 | qemu_get_be32s(f, &env->sysenter_cs); | |
1639 | qemu_get_be32s(f, &env->sysenter_esp); | |
1640 | qemu_get_be32s(f, &env->sysenter_eip); | |
1641 | ||
1642 | qemu_get_be32s(f, &env->cr[0]); | |
1643 | qemu_get_be32s(f, &env->cr[2]); | |
1644 | qemu_get_be32s(f, &env->cr[3]); | |
1645 | qemu_get_be32s(f, &env->cr[4]); | |
1646 | ||
1647 | for(i = 0; i < 8; i++) | |
1648 | qemu_get_be32s(f, &env->dr[i]); | |
1649 | ||
1650 | /* MMU */ | |
1651 | qemu_get_be32s(f, &env->a20_mask); | |
1652 | ||
1653 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1654 | env->hflags = hflags; | |
1655 | tlb_flush(env, 1); | |
1656 | return 0; | |
1657 | } | |
1658 | ||
a541f297 FB |
1659 | #elif defined(TARGET_PPC) |
1660 | void cpu_save(QEMUFile *f, void *opaque) | |
1661 | { | |
1662 | } | |
1663 | ||
1664 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1665 | { | |
1666 | return 0; | |
1667 | } | |
8a7ddc38 FB |
1668 | #else |
1669 | ||
1670 | #warning No CPU save/restore functions | |
1671 | ||
1672 | #endif | |
1673 | ||
1674 | /***********************************************************/ | |
1675 | /* ram save/restore */ | |
1676 | ||
1677 | /* we just avoid storing empty pages */ | |
1678 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1679 | { | |
1680 | int i, v; | |
1681 | ||
1682 | v = buf[0]; | |
1683 | for(i = 1; i < len; i++) { | |
1684 | if (buf[i] != v) | |
1685 | goto normal_save; | |
1686 | } | |
1687 | qemu_put_byte(f, 1); | |
1688 | qemu_put_byte(f, v); | |
1689 | return; | |
1690 | normal_save: | |
1691 | qemu_put_byte(f, 0); | |
1692 | qemu_put_buffer(f, buf, len); | |
1693 | } | |
1694 | ||
1695 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1696 | { | |
1697 | int v; | |
1698 | ||
1699 | v = qemu_get_byte(f); | |
1700 | switch(v) { | |
1701 | case 0: | |
1702 | if (qemu_get_buffer(f, buf, len) != len) | |
1703 | return -EIO; | |
1704 | break; | |
1705 | case 1: | |
1706 | v = qemu_get_byte(f); | |
1707 | memset(buf, v, len); | |
1708 | break; | |
1709 | default: | |
1710 | return -EINVAL; | |
1711 | } | |
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | static void ram_save(QEMUFile *f, void *opaque) | |
1716 | { | |
1717 | int i; | |
1718 | qemu_put_be32(f, phys_ram_size); | |
1719 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1720 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1725 | { | |
1726 | int i, ret; | |
1727 | ||
1728 | if (version_id != 1) | |
1729 | return -EINVAL; | |
1730 | if (qemu_get_be32(f) != phys_ram_size) | |
1731 | return -EINVAL; | |
1732 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1733 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1734 | if (ret) | |
1735 | return ret; | |
1736 | } | |
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | /***********************************************************/ | |
1741 | /* main execution loop */ | |
1742 | ||
1743 | void gui_update(void *opaque) | |
1744 | { | |
1745 | display_state.dpy_refresh(&display_state); | |
1746 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1747 | } | |
1748 | ||
1749 | /* XXX: support several handlers */ | |
1750 | VMStopHandler *vm_stop_cb; | |
1751 | VMStopHandler *vm_stop_opaque; | |
1752 | ||
1753 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1754 | { | |
1755 | vm_stop_cb = cb; | |
1756 | vm_stop_opaque = opaque; | |
1757 | return 0; | |
1758 | } | |
1759 | ||
1760 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1761 | { | |
1762 | vm_stop_cb = NULL; | |
1763 | } | |
1764 | ||
1765 | void vm_start(void) | |
1766 | { | |
1767 | if (!vm_running) { | |
1768 | cpu_enable_ticks(); | |
1769 | vm_running = 1; | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | void vm_stop(int reason) | |
1774 | { | |
1775 | if (vm_running) { | |
1776 | cpu_disable_ticks(); | |
1777 | vm_running = 0; | |
1778 | if (reason != 0) { | |
1779 | if (vm_stop_cb) { | |
1780 | vm_stop_cb(vm_stop_opaque, reason); | |
1781 | } | |
34865134 | 1782 | } |
8a7ddc38 FB |
1783 | } |
1784 | } | |
1785 | ||
1786 | int main_loop(void) | |
1787 | { | |
67b915a5 | 1788 | #ifndef _WIN32 |
8a7ddc38 | 1789 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1790 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1791 | uint8_t buf[4096]; |
1792 | int n, max_size; | |
1793 | #endif | |
1794 | int ret, timeout; | |
8a7ddc38 FB |
1795 | CPUState *env = global_env; |
1796 | ||
1797 | for(;;) { | |
1798 | if (vm_running) { | |
1799 | ret = cpu_exec(env); | |
1800 | if (reset_requested) { | |
1801 | ret = EXCP_INTERRUPT; | |
1802 | break; | |
1803 | } | |
1804 | if (ret == EXCP_DEBUG) { | |
1805 | vm_stop(EXCP_DEBUG); | |
1806 | } | |
1807 | /* if hlt instruction, we wait until the next IRQ */ | |
1808 | /* XXX: use timeout computed from timers */ | |
1809 | if (ret == EXCP_HLT) | |
1810 | timeout = 10; | |
1811 | else | |
1812 | timeout = 0; | |
1813 | } else { | |
b4608c04 | 1814 | timeout = 10; |
8a7ddc38 | 1815 | } |
c4b1fcc0 | 1816 | |
38e205a2 FB |
1817 | #ifdef _WIN32 |
1818 | if (timeout > 0) | |
1819 | Sleep(timeout); | |
1820 | #else | |
1821 | ||
b4608c04 | 1822 | /* poll any events */ |
8a7ddc38 | 1823 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1824 | pf = ufds; |
8a7ddc38 FB |
1825 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1826 | if (!ioh->fd_can_read) { | |
1827 | max_size = 0; | |
c4b1fcc0 FB |
1828 | pf->fd = ioh->fd; |
1829 | pf->events = POLLIN; | |
1830 | ioh->ufd = pf; | |
1831 | pf++; | |
1832 | } else { | |
8a7ddc38 FB |
1833 | max_size = ioh->fd_can_read(ioh->opaque); |
1834 | if (max_size > 0) { | |
1835 | if (max_size > sizeof(buf)) | |
1836 | max_size = sizeof(buf); | |
1837 | pf->fd = ioh->fd; | |
1838 | pf->events = POLLIN; | |
1839 | ioh->ufd = pf; | |
1840 | pf++; | |
1841 | } else { | |
1842 | ioh->ufd = NULL; | |
1843 | } | |
c4b1fcc0 FB |
1844 | } |
1845 | ioh->max_size = max_size; | |
b4608c04 | 1846 | } |
73332e5c | 1847 | |
b4608c04 FB |
1848 | ret = poll(ufds, pf - ufds, timeout); |
1849 | if (ret > 0) { | |
8a7ddc38 FB |
1850 | /* XXX: better handling of removal */ |
1851 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1852 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1853 | pf = ioh->ufd; |
1854 | if (pf) { | |
8a7ddc38 FB |
1855 | if (pf->revents & POLLIN) { |
1856 | if (ioh->max_size == 0) { | |
1857 | /* just a read event */ | |
1858 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1859 | } else { | |
1860 | n = read(ioh->fd, buf, ioh->max_size); | |
1861 | if (n >= 0) { | |
1862 | ioh->fd_read(ioh->opaque, buf, n); | |
158156d1 | 1863 | } else if (errno != EAGAIN) { |
8a7ddc38 FB |
1864 | ioh->fd_read(ioh->opaque, NULL, -errno); |
1865 | } | |
1866 | } | |
b4608c04 | 1867 | } |
b4608c04 | 1868 | } |
b4608c04 FB |
1869 | } |
1870 | } | |
c20709aa FB |
1871 | |
1872 | #if defined(CONFIG_SLIRP) | |
1873 | /* XXX: merge with poll() */ | |
1874 | if (slirp_inited) { | |
1875 | fd_set rfds, wfds, xfds; | |
1876 | int nfds; | |
1877 | struct timeval tv; | |
1878 | ||
1879 | nfds = -1; | |
1880 | FD_ZERO(&rfds); | |
1881 | FD_ZERO(&wfds); | |
1882 | FD_ZERO(&xfds); | |
1883 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
1884 | tv.tv_sec = 0; | |
1885 | tv.tv_usec = 0; | |
1886 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
1887 | if (ret >= 0) { | |
1888 | slirp_select_poll(&rfds, &wfds, &xfds); | |
1889 | } | |
1890 | } | |
1891 | #endif | |
1892 | ||
67b915a5 | 1893 | #endif |
b4608c04 | 1894 | |
8a7ddc38 FB |
1895 | if (vm_running) { |
1896 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1897 | qemu_get_clock(vm_clock)); | |
1898 | ||
aaaa7df6 FB |
1899 | if (audio_enabled) { |
1900 | /* XXX: add explicit timer */ | |
1901 | SB16_run(); | |
1902 | } | |
8a7ddc38 FB |
1903 | |
1904 | /* run dma transfers, if any */ | |
1905 | DMA_run(); | |
b4608c04 | 1906 | } |
313aa567 | 1907 | |
8a7ddc38 FB |
1908 | /* real time timers */ |
1909 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1910 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1911 | } |
34865134 FB |
1912 | cpu_disable_ticks(); |
1913 | return ret; | |
b4608c04 FB |
1914 | } |
1915 | ||
0824d6fc FB |
1916 | void help(void) |
1917 | { | |
aaaa7df6 | 1918 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 1919 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1920 | "\n" |
a20dd508 | 1921 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1922 | "\n" |
a20dd508 | 1923 | "Standard options:\n" |
c45886db | 1924 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1925 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1926 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1927 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1928 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 | 1929 | "-snapshot write to temporary files instead of disk image files\n" |
a00bad7e | 1930 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
c4b1fcc0 | 1931 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 1932 | "-enable-audio enable audio support\n" |
c4b1fcc0 FB |
1933 | "\n" |
1934 | "Network options:\n" | |
c20709aa | 1935 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 1936 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
1937 | "-n script set tap/tun network init script [default=%s]\n" |
1938 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
1939 | #ifdef CONFIG_SLIRP | |
1940 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
1941 | #endif | |
1942 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 1943 | "\n" |
c4b1fcc0 | 1944 | "Linux boot specific:\n" |
a20dd508 FB |
1945 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1946 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1947 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1948 | "\n" |
330d0414 | 1949 | "Debug/Expert options:\n" |
cd6f1169 | 1950 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
a20dd508 FB |
1951 | "-s wait gdb connection to port %d\n" |
1952 | "-p port change gdb connection port\n" | |
f193c797 | 1953 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1954 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1955 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1956 | #ifdef USE_CODE_COPY |
1957 | "-no-code-copy disable code copy acceleration\n" | |
1958 | #endif | |
1959 | ||
0824d6fc | 1960 | "\n" |
f1510b2c | 1961 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1962 | #ifdef CONFIG_SOFTMMU |
1963 | "qemu", | |
1964 | #else | |
1965 | "qemu-fast", | |
1966 | #endif | |
a00bad7e FB |
1967 | DEFAULT_RAM_SIZE, |
1968 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
1969 | DEFAULT_GDBSTUB_PORT, |
1970 | "/tmp/qemu.log"); | |
0824d6fc | 1971 | term_print_help(); |
0db63474 FB |
1972 | #ifndef CONFIG_SOFTMMU |
1973 | printf("\n" | |
1974 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
1975 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
1976 | "PC emulation.\n"); | |
1977 | #endif | |
0824d6fc FB |
1978 | exit(1); |
1979 | } | |
1980 | ||
cd6f1169 FB |
1981 | #define HAS_ARG 0x0001 |
1982 | ||
1983 | enum { | |
1984 | QEMU_OPTION_h, | |
1985 | ||
1986 | QEMU_OPTION_fda, | |
1987 | QEMU_OPTION_fdb, | |
1988 | QEMU_OPTION_hda, | |
1989 | QEMU_OPTION_hdb, | |
1990 | QEMU_OPTION_hdc, | |
1991 | QEMU_OPTION_hdd, | |
1992 | QEMU_OPTION_cdrom, | |
1993 | QEMU_OPTION_boot, | |
1994 | QEMU_OPTION_snapshot, | |
1995 | QEMU_OPTION_m, | |
1996 | QEMU_OPTION_nographic, | |
1997 | QEMU_OPTION_enable_audio, | |
1998 | ||
1999 | QEMU_OPTION_nics, | |
2000 | QEMU_OPTION_macaddr, | |
2001 | QEMU_OPTION_n, | |
2002 | QEMU_OPTION_tun_fd, | |
2003 | QEMU_OPTION_user_net, | |
2004 | QEMU_OPTION_dummy_net, | |
2005 | ||
2006 | QEMU_OPTION_kernel, | |
2007 | QEMU_OPTION_append, | |
2008 | QEMU_OPTION_initrd, | |
2009 | ||
2010 | QEMU_OPTION_S, | |
2011 | QEMU_OPTION_s, | |
2012 | QEMU_OPTION_p, | |
2013 | QEMU_OPTION_d, | |
2014 | QEMU_OPTION_hdachs, | |
2015 | QEMU_OPTION_L, | |
2016 | QEMU_OPTION_no_code_copy, | |
69b91039 | 2017 | QEMU_OPTION_pci, |
77d4bc34 | 2018 | QEMU_OPTION_prep, |
ee22c2f7 | 2019 | QEMU_OPTION_localtime, |
cd6f1169 FB |
2020 | }; |
2021 | ||
2022 | typedef struct QEMUOption { | |
2023 | const char *name; | |
2024 | int flags; | |
2025 | int index; | |
2026 | } QEMUOption; | |
2027 | ||
2028 | const QEMUOption qemu_options[] = { | |
2029 | { "h", 0, QEMU_OPTION_h }, | |
2030 | ||
2031 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
2032 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
2033 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
2034 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
2035 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
2036 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
2037 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
2038 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
2039 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
2040 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
2041 | { "nographic", 0, QEMU_OPTION_nographic }, | |
2042 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, | |
2043 | ||
2044 | { "nics", HAS_ARG, QEMU_OPTION_nics}, | |
2045 | { "macaddr", HAS_ARG, QEMU_OPTION_macaddr}, | |
69b91039 | 2046 | { "n", HAS_ARG, QEMU_OPTION_n }, |
cd6f1169 | 2047 | { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd }, |
158156d1 | 2048 | #ifdef CONFIG_SLIRP |
cd6f1169 | 2049 | { "user-net", 0, QEMU_OPTION_user_net }, |
158156d1 | 2050 | #endif |
cd6f1169 FB |
2051 | { "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2052 | ||
2053 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
2054 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
2055 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
2056 | ||
2057 | { "S", 0, QEMU_OPTION_S }, | |
2058 | { "s", 0, QEMU_OPTION_s }, | |
2059 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
2060 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
2061 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
2062 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
2063 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
77d4bc34 FB |
2064 | |
2065 | /* temporary options */ | |
69b91039 | 2066 | { "pci", 0, QEMU_OPTION_pci }, |
77d4bc34 FB |
2067 | #ifdef TARGET_PPC |
2068 | { "prep", 0, QEMU_OPTION_prep }, | |
2069 | #endif | |
ee22c2f7 | 2070 | { "localtime", 0, QEMU_OPTION_localtime }, |
cd6f1169 | 2071 | { NULL }, |
fc01f7e7 FB |
2072 | }; |
2073 | ||
77fef8c1 FB |
2074 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2075 | ||
2076 | /* this stack is only used during signal handling */ | |
2077 | #define SIGNAL_STACK_SIZE 32768 | |
2078 | ||
2079 | static uint8_t *signal_stack; | |
2080 | ||
2081 | #endif | |
2082 | ||
c20709aa FB |
2083 | #define NET_IF_TUN 0 |
2084 | #define NET_IF_USER 1 | |
2085 | #define NET_IF_DUMMY 2 | |
2086 | ||
0824d6fc FB |
2087 | int main(int argc, char **argv) |
2088 | { | |
67b915a5 FB |
2089 | #ifdef CONFIG_GDBSTUB |
2090 | int use_gdbstub, gdbstub_port; | |
2091 | #endif | |
cd6f1169 | 2092 | int i, has_cdrom; |
1ccde1cb | 2093 | int snapshot, linux_boot; |
c45886db | 2094 | CPUState *env; |
7f7f9873 | 2095 | const char *initrd_filename; |
c45886db | 2096 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 2097 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 2098 | DisplayState *ds = &display_state; |
c4b1fcc0 | 2099 | int cyls, heads, secs; |
a541f297 | 2100 | int start_emulation = 1; |
702c651c | 2101 | uint8_t macaddr[6]; |
c20709aa | 2102 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
cd6f1169 FB |
2103 | int optind; |
2104 | const char *r, *optarg; | |
2105 | ||
67b915a5 | 2106 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
2107 | /* we never want that malloc() uses mmap() */ |
2108 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 2109 | #endif |
fc01f7e7 | 2110 | initrd_filename = NULL; |
c45886db FB |
2111 | for(i = 0; i < MAX_FD; i++) |
2112 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
2113 | for(i = 0; i < MAX_DISKS; i++) |
2114 | hd_filename[i] = NULL; | |
a00bad7e | 2115 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
313aa567 | 2116 | vga_ram_size = VGA_RAM_SIZE; |
0ced6589 | 2117 | bios_size = BIOS_SIZE; |
f1510b2c | 2118 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 2119 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2120 | use_gdbstub = 0; |
2121 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 2122 | #endif |
33e3963e | 2123 | snapshot = 0; |
a20dd508 FB |
2124 | nographic = 0; |
2125 | kernel_filename = NULL; | |
2126 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
2127 | has_cdrom = 1; |
2128 | cyls = heads = secs = 0; | |
2129 | ||
c20709aa FB |
2130 | nb_tun_fds = 0; |
2131 | net_if_type = -1; | |
c4b1fcc0 | 2132 | nb_nics = 1; |
702c651c FB |
2133 | /* default mac address of the first network interface */ |
2134 | macaddr[0] = 0x52; | |
2135 | macaddr[1] = 0x54; | |
2136 | macaddr[2] = 0x00; | |
2137 | macaddr[3] = 0x12; | |
2138 | macaddr[4] = 0x34; | |
2139 | macaddr[5] = 0x56; | |
c20709aa | 2140 | |
cd6f1169 | 2141 | optind = 1; |
0824d6fc | 2142 | for(;;) { |
cd6f1169 | 2143 | if (optind >= argc) |
0824d6fc | 2144 | break; |
cd6f1169 FB |
2145 | r = argv[optind]; |
2146 | if (r[0] != '-') { | |
2147 | hd_filename[0] = argv[optind++]; | |
2148 | } else { | |
2149 | const QEMUOption *popt; | |
2150 | ||
2151 | optind++; | |
2152 | popt = qemu_options; | |
2153 | for(;;) { | |
2154 | if (!popt->name) { | |
2155 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
2156 | argv[0], r); | |
2157 | exit(1); | |
2158 | } | |
2159 | if (!strcmp(popt->name, r + 1)) | |
2160 | break; | |
2161 | popt++; | |
2162 | } | |
2163 | if (popt->flags & HAS_ARG) { | |
2164 | if (optind >= argc) { | |
2165 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
2166 | argv[0], r); | |
2167 | exit(1); | |
2168 | } | |
2169 | optarg = argv[optind++]; | |
2170 | } else { | |
2171 | optarg = NULL; | |
2172 | } | |
2173 | ||
2174 | switch(popt->index) { | |
2175 | case QEMU_OPTION_initrd: | |
fc01f7e7 FB |
2176 | initrd_filename = optarg; |
2177 | break; | |
cd6f1169 | 2178 | case QEMU_OPTION_hda: |
fc01f7e7 FB |
2179 | hd_filename[0] = optarg; |
2180 | break; | |
cd6f1169 | 2181 | case QEMU_OPTION_hdb: |
fc01f7e7 FB |
2182 | hd_filename[1] = optarg; |
2183 | break; | |
cd6f1169 | 2184 | case QEMU_OPTION_snapshot: |
33e3963e FB |
2185 | snapshot = 1; |
2186 | break; | |
cd6f1169 | 2187 | case QEMU_OPTION_hdachs: |
330d0414 | 2188 | { |
330d0414 FB |
2189 | const char *p; |
2190 | p = optarg; | |
2191 | cyls = strtol(p, (char **)&p, 0); | |
2192 | if (*p != ',') | |
2193 | goto chs_fail; | |
2194 | p++; | |
2195 | heads = strtol(p, (char **)&p, 0); | |
2196 | if (*p != ',') | |
2197 | goto chs_fail; | |
2198 | p++; | |
2199 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
2200 | if (*p != '\0') { |
2201 | chs_fail: | |
2202 | cyls = 0; | |
2203 | } | |
330d0414 FB |
2204 | } |
2205 | break; | |
cd6f1169 | 2206 | case QEMU_OPTION_nographic: |
a20dd508 FB |
2207 | nographic = 1; |
2208 | break; | |
cd6f1169 | 2209 | case QEMU_OPTION_kernel: |
a20dd508 FB |
2210 | kernel_filename = optarg; |
2211 | break; | |
cd6f1169 | 2212 | case QEMU_OPTION_append: |
a20dd508 | 2213 | kernel_cmdline = optarg; |
313aa567 | 2214 | break; |
cd6f1169 | 2215 | case QEMU_OPTION_tun_fd: |
c4b1fcc0 FB |
2216 | { |
2217 | const char *p; | |
2218 | int fd; | |
d6b86f4d | 2219 | net_if_type = NET_IF_TUN; |
c20709aa FB |
2220 | if (nb_tun_fds < MAX_NICS) { |
2221 | fd = strtol(optarg, (char **)&p, 0); | |
2222 | if (*p != '\0') { | |
2223 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
2224 | exit(1); |
2225 | } | |
c20709aa | 2226 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
2227 | } |
2228 | } | |
42f1e0e4 | 2229 | break; |
cd6f1169 | 2230 | case QEMU_OPTION_hdc: |
36b486bb | 2231 | hd_filename[2] = optarg; |
c4b1fcc0 | 2232 | has_cdrom = 0; |
36b486bb | 2233 | break; |
cd6f1169 | 2234 | case QEMU_OPTION_hdd: |
36b486bb FB |
2235 | hd_filename[3] = optarg; |
2236 | break; | |
cd6f1169 | 2237 | case QEMU_OPTION_cdrom: |
36b486bb | 2238 | hd_filename[2] = optarg; |
c4b1fcc0 | 2239 | has_cdrom = 1; |
36b486bb | 2240 | break; |
cd6f1169 | 2241 | case QEMU_OPTION_boot: |
36b486bb | 2242 | boot_device = optarg[0]; |
c45886db FB |
2243 | if (boot_device != 'a' && boot_device != 'b' && |
2244 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
2245 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
2246 | exit(1); | |
2247 | } | |
2248 | break; | |
cd6f1169 | 2249 | case QEMU_OPTION_fda: |
c45886db FB |
2250 | fd_filename[0] = optarg; |
2251 | break; | |
cd6f1169 | 2252 | case QEMU_OPTION_fdb: |
c45886db FB |
2253 | fd_filename[1] = optarg; |
2254 | break; | |
cd6f1169 | 2255 | case QEMU_OPTION_no_code_copy: |
77fef8c1 FB |
2256 | code_copy_enabled = 0; |
2257 | break; | |
cd6f1169 | 2258 | case QEMU_OPTION_nics: |
c4b1fcc0 | 2259 | nb_nics = atoi(optarg); |
3a1bc175 | 2260 | if (nb_nics < 0 || nb_nics > MAX_NICS) { |
c4b1fcc0 FB |
2261 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); |
2262 | exit(1); | |
2263 | } | |
2264 | break; | |
cd6f1169 | 2265 | case QEMU_OPTION_macaddr: |
702c651c FB |
2266 | { |
2267 | const char *p; | |
2268 | int i; | |
2269 | p = optarg; | |
2270 | for(i = 0; i < 6; i++) { | |
2271 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2272 | if (i == 5) { | |
2273 | if (*p != '\0') | |
2274 | goto macaddr_error; | |
2275 | } else { | |
2276 | if (*p != ':') { | |
2277 | macaddr_error: | |
2278 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2279 | exit(1); | |
2280 | } | |
2281 | p++; | |
2282 | } | |
2283 | } | |
2284 | } | |
2285 | break; | |
cd6f1169 | 2286 | case QEMU_OPTION_user_net: |
c20709aa FB |
2287 | net_if_type = NET_IF_USER; |
2288 | break; | |
cd6f1169 | 2289 | case QEMU_OPTION_dummy_net: |
c20709aa FB |
2290 | net_if_type = NET_IF_DUMMY; |
2291 | break; | |
cd6f1169 | 2292 | case QEMU_OPTION_enable_audio: |
aaaa7df6 FB |
2293 | audio_enabled = 1; |
2294 | break; | |
cd6f1169 | 2295 | case QEMU_OPTION_h: |
0824d6fc | 2296 | help(); |
cd6f1169 FB |
2297 | break; |
2298 | case QEMU_OPTION_m: | |
2299 | ram_size = atoi(optarg) * 1024 * 1024; | |
2300 | if (ram_size <= 0) | |
2301 | help(); | |
2302 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
2303 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
2304 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
2305 | exit(1); | |
2306 | } | |
2307 | break; | |
2308 | case QEMU_OPTION_d: | |
2309 | { | |
2310 | int mask; | |
2311 | CPULogItem *item; | |
2312 | ||
2313 | mask = cpu_str_to_log_mask(optarg); | |
2314 | if (!mask) { | |
2315 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
2316 | for(item = cpu_log_items; item->mask != 0; item++) { |
2317 | printf("%-10s %s\n", item->name, item->help); | |
2318 | } | |
2319 | exit(1); | |
cd6f1169 FB |
2320 | } |
2321 | cpu_set_log(mask); | |
f193c797 | 2322 | } |
cd6f1169 FB |
2323 | break; |
2324 | case QEMU_OPTION_n: | |
2325 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2326 | break; | |
67b915a5 | 2327 | #ifdef CONFIG_GDBSTUB |
cd6f1169 FB |
2328 | case QEMU_OPTION_s: |
2329 | use_gdbstub = 1; | |
2330 | break; | |
2331 | case QEMU_OPTION_p: | |
2332 | gdbstub_port = atoi(optarg); | |
2333 | break; | |
67b915a5 | 2334 | #endif |
cd6f1169 FB |
2335 | case QEMU_OPTION_L: |
2336 | bios_dir = optarg; | |
2337 | break; | |
2338 | case QEMU_OPTION_S: | |
2339 | start_emulation = 0; | |
2340 | break; | |
69b91039 FB |
2341 | case QEMU_OPTION_pci: |
2342 | pci_enabled = 1; | |
2343 | break; | |
77d4bc34 FB |
2344 | case QEMU_OPTION_prep: |
2345 | prep_enabled = 1; | |
2346 | break; | |
ee22c2f7 FB |
2347 | case QEMU_OPTION_localtime: |
2348 | rtc_utc = 0; | |
2349 | break; | |
cd6f1169 | 2350 | } |
0824d6fc FB |
2351 | } |
2352 | } | |
330d0414 | 2353 | |
a20dd508 | 2354 | linux_boot = (kernel_filename != NULL); |
330d0414 | 2355 | |
c45886db FB |
2356 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2357 | fd_filename[0] == '\0') | |
0824d6fc | 2358 | help(); |
8f2b1fb0 FB |
2359 | |
2360 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2361 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2362 | if (fd_filename[0] != '\0') | |
2363 | boot_device = 'a'; | |
2364 | else | |
2365 | boot_device = 'd'; | |
2366 | } | |
0824d6fc | 2367 | |
dc887a4d FB |
2368 | #if !defined(CONFIG_SOFTMMU) |
2369 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2370 | { | |
2371 | static uint8_t stdout_buf[4096]; | |
2372 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2373 | } | |
2374 | #else | |
b118d61e | 2375 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2376 | #endif |
0824d6fc | 2377 | |
c4b1fcc0 | 2378 | /* init host network redirectors */ |
c20709aa FB |
2379 | if (net_if_type == -1) { |
2380 | net_if_type = NET_IF_TUN; | |
2381 | #if defined(CONFIG_SLIRP) | |
2382 | if (access(network_script, R_OK) < 0) { | |
2383 | net_if_type = NET_IF_USER; | |
2384 | } | |
2385 | #endif | |
2386 | } | |
2387 | ||
2388 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2389 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2390 | nd->index = i; |
702c651c FB |
2391 | /* init virtual mac address */ |
2392 | nd->macaddr[0] = macaddr[0]; | |
2393 | nd->macaddr[1] = macaddr[1]; | |
2394 | nd->macaddr[2] = macaddr[2]; | |
2395 | nd->macaddr[3] = macaddr[3]; | |
2396 | nd->macaddr[4] = macaddr[4]; | |
2397 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2398 | switch(net_if_type) { |
2399 | #if defined(CONFIG_SLIRP) | |
2400 | case NET_IF_USER: | |
2401 | net_slirp_init(nd); | |
2402 | break; | |
2403 | #endif | |
2404 | #if !defined(_WIN32) | |
2405 | case NET_IF_TUN: | |
2406 | if (i < nb_tun_fds) { | |
2407 | net_fd_init(nd, tun_fds[i]); | |
2408 | } else { | |
d927637d FB |
2409 | if (net_tun_init(nd) < 0) |
2410 | net_dummy_init(nd); | |
c20709aa FB |
2411 | } |
2412 | break; | |
2413 | #endif | |
2414 | case NET_IF_DUMMY: | |
2415 | default: | |
2416 | net_dummy_init(nd); | |
2417 | break; | |
2418 | } | |
702c651c | 2419 | } |
f1510b2c | 2420 | |
0824d6fc | 2421 | /* init the memory */ |
0ced6589 | 2422 | phys_ram_size = ram_size + vga_ram_size + bios_size; |
7f7f9873 FB |
2423 | |
2424 | #ifdef CONFIG_SOFTMMU | |
7d3505c5 FB |
2425 | #ifdef _BSD |
2426 | /* mallocs are always aligned on BSD. */ | |
2427 | phys_ram_base = malloc(phys_ram_size); | |
2428 | #else | |
1ccde1cb | 2429 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7d3505c5 | 2430 | #endif |
7f7f9873 FB |
2431 | if (!phys_ram_base) { |
2432 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2433 | exit(1); |
2434 | } | |
7f7f9873 FB |
2435 | #else |
2436 | /* as we must map the same page at several addresses, we must use | |
2437 | a fd */ | |
2438 | { | |
2439 | const char *tmpdir; | |
2440 | ||
2441 | tmpdir = getenv("QEMU_TMPDIR"); | |
2442 | if (!tmpdir) | |
2443 | tmpdir = "/tmp"; | |
2444 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2445 | if (mkstemp(phys_ram_file) < 0) { | |
2446 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2447 | phys_ram_file); | |
2448 | exit(1); | |
2449 | } | |
2450 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2451 | if (phys_ram_fd < 0) { | |
2452 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2453 | phys_ram_file); | |
2454 | exit(1); | |
2455 | } | |
1ccde1cb | 2456 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2457 | unlink(phys_ram_file); |
1ccde1cb FB |
2458 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2459 | phys_ram_size, | |
7f7f9873 FB |
2460 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2461 | phys_ram_fd, 0); | |
2462 | if (phys_ram_base == MAP_FAILED) { | |
2463 | fprintf(stderr, "Could not map physical memory\n"); | |
2464 | exit(1); | |
2465 | } | |
2466 | } | |
2467 | #endif | |
0824d6fc | 2468 | |
c4b1fcc0 FB |
2469 | /* we always create the cdrom drive, even if no disk is there */ |
2470 | if (has_cdrom) { | |
2471 | bs_table[2] = bdrv_new("cdrom"); | |
2472 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2473 | } | |
2474 | ||
33e3963e FB |
2475 | /* open the virtual block devices */ |
2476 | for(i = 0; i < MAX_DISKS; i++) { | |
2477 | if (hd_filename[i]) { | |
33e3963e | 2478 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2479 | char buf[64]; |
2480 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2481 | bs_table[i] = bdrv_new(buf); | |
2482 | } | |
2483 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2484 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2485 | hd_filename[i]); |
2486 | exit(1); | |
2487 | } | |
c4b1fcc0 FB |
2488 | if (i == 0 && cyls != 0) |
2489 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2490 | } | |
2491 | } | |
2492 | ||
2493 | /* we always create at least one floppy disk */ | |
2494 | fd_table[0] = bdrv_new("fda"); | |
2495 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2496 | ||
2497 | for(i = 0; i < MAX_FD; i++) { | |
2498 | if (fd_filename[i]) { | |
2499 | if (!fd_table[i]) { | |
2500 | char buf[64]; | |
2501 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2502 | fd_table[i] = bdrv_new(buf); | |
2503 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2504 | } | |
2505 | if (fd_filename[i] != '\0') { | |
2506 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 2507 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
2508 | fd_filename[i]); |
2509 | exit(1); | |
2510 | } | |
2511 | } | |
33e3963e FB |
2512 | } |
2513 | } | |
2514 | ||
330d0414 FB |
2515 | /* init CPU state */ |
2516 | env = cpu_init(); | |
2517 | global_env = env; | |
2518 | cpu_single_env = env; | |
2519 | ||
8a7ddc38 FB |
2520 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2521 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
2522 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
2523 | ||
330d0414 | 2524 | init_ioports(); |
80cabfad | 2525 | cpu_calibrate_ticks(); |
0824d6fc | 2526 | |
313aa567 | 2527 | /* terminal init */ |
a20dd508 | 2528 | if (nographic) { |
313aa567 FB |
2529 | dumb_display_init(ds); |
2530 | } else { | |
2531 | #ifdef CONFIG_SDL | |
2532 | sdl_display_init(ds); | |
313aa567 FB |
2533 | #else |
2534 | dumb_display_init(ds); | |
2535 | #endif | |
2536 | } | |
0824d6fc | 2537 | |
0824d6fc | 2538 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2539 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2540 | |
77fef8c1 FB |
2541 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2542 | { | |
2543 | stack_t stk; | |
73332e5c | 2544 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2545 | stk.ss_sp = signal_stack; |
2546 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2547 | stk.ss_flags = 0; | |
2548 | ||
2549 | if (sigaltstack(&stk, NULL) < 0) { | |
2550 | perror("sigaltstack"); | |
2551 | exit(1); | |
2552 | } | |
2553 | } | |
2554 | #endif | |
8a7ddc38 FB |
2555 | { |
2556 | struct sigaction act; | |
77fef8c1 | 2557 | |
8a7ddc38 FB |
2558 | sigfillset(&act.sa_mask); |
2559 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2560 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2561 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2562 | #endif |
8a7ddc38 FB |
2563 | act.sa_sigaction = host_segv_handler; |
2564 | sigaction(SIGSEGV, &act, NULL); | |
2565 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2566 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2567 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2568 | #endif |
8a7ddc38 | 2569 | } |
3a51dee6 | 2570 | #endif |
0824d6fc | 2571 | |
67b915a5 | 2572 | #ifndef _WIN32 |
8a7ddc38 FB |
2573 | { |
2574 | struct sigaction act; | |
2575 | sigfillset(&act.sa_mask); | |
2576 | act.sa_flags = 0; | |
2577 | act.sa_handler = SIG_IGN; | |
2578 | sigaction(SIGPIPE, &act, NULL); | |
2579 | } | |
67b915a5 | 2580 | #endif |
73332e5c FB |
2581 | init_timers(); |
2582 | ||
2583 | #if defined(TARGET_I386) | |
2584 | pc_init(ram_size, vga_ram_size, boot_device, | |
2585 | ds, fd_filename, snapshot, | |
2586 | kernel_filename, kernel_cmdline, initrd_filename); | |
2587 | #elif defined(TARGET_PPC) | |
a541f297 FB |
2588 | ppc_init(ram_size, vga_ram_size, boot_device, |
2589 | ds, fd_filename, snapshot, | |
2590 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
2591 | #endif |
2592 | ||
2593 | /* launched after the device init so that it can display or not a | |
2594 | banner */ | |
2595 | monitor_init(); | |
0824d6fc | 2596 | |
8a7ddc38 FB |
2597 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2598 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2599 | |
67b915a5 | 2600 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2601 | if (use_gdbstub) { |
8a7ddc38 FB |
2602 | if (gdbserver_start(gdbstub_port) < 0) { |
2603 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2604 | gdbstub_port); | |
2605 | exit(1); | |
2606 | } else { | |
2607 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2608 | } | |
67b915a5 FB |
2609 | } else |
2610 | #endif | |
a541f297 | 2611 | if (start_emulation) |
67b915a5 | 2612 | { |
8a7ddc38 | 2613 | vm_start(); |
0824d6fc | 2614 | } |
8a7ddc38 FB |
2615 | term_init(); |
2616 | main_loop(); | |
40c3bac3 | 2617 | quit_timers(); |
0824d6fc FB |
2618 | return 0; |
2619 | } |