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