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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> | |
83fb7adf | 43 | #ifndef __APPLE__ |
7d3505c5 | 44 | #include <libutil.h> |
83fb7adf | 45 | #endif |
7d3505c5 | 46 | #else |
f1510b2c FB |
47 | #include <linux/if.h> |
48 | #include <linux/if_tun.h> | |
7d3505c5 FB |
49 | #include <pty.h> |
50 | #include <malloc.h> | |
fd872598 | 51 | #include <linux/rtc.h> |
67b915a5 | 52 | #endif |
7d3505c5 | 53 | #endif |
67b915a5 | 54 | |
c20709aa FB |
55 | #if defined(CONFIG_SLIRP) |
56 | #include "libslirp.h" | |
57 | #endif | |
58 | ||
67b915a5 | 59 | #ifdef _WIN32 |
7d3505c5 | 60 | #include <malloc.h> |
67b915a5 FB |
61 | #include <sys/timeb.h> |
62 | #include <windows.h> | |
63 | #define getopt_long_only getopt_long | |
64 | #define memalign(align, size) malloc(size) | |
65 | #endif | |
66 | ||
73332e5c | 67 | #ifdef CONFIG_SDL |
96bcd4f8 | 68 | #ifdef __APPLE__ |
83fb7adf | 69 | #include <SDL/SDL.h> |
96bcd4f8 | 70 | #endif |
7d3505c5 | 71 | #if defined(__linux__) |
73332e5c FB |
72 | /* SDL use the pthreads and they modify sigaction. We don't |
73 | want that. */ | |
7d3505c5 | 74 | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) |
73332e5c FB |
75 | extern void __libc_sigaction(); |
76 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
77 | #else | |
78 | extern void __sigaction(); | |
79 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
80 | #endif | |
7d3505c5 | 81 | #endif /* __linux__ */ |
73332e5c | 82 | #endif /* CONFIG_SDL */ |
0824d6fc | 83 | |
0824d6fc | 84 | #include "disas.h" |
fc01f7e7 | 85 | |
8a7ddc38 | 86 | #include "exec-all.h" |
0824d6fc | 87 | |
a541f297 FB |
88 | //#define DO_TB_FLUSH |
89 | ||
5a67135a | 90 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 91 | |
0824d6fc | 92 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 93 | //#define DEBUG_IOPORT |
330d0414 | 94 | |
bb551faa | 95 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 96 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
97 | #else |
98 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
99 | #endif | |
7916e224 | 100 | |
77d4bc34 FB |
101 | #ifdef TARGET_PPC |
102 | #define DEFAULT_RAM_SIZE 144 | |
103 | #else | |
1bfe856e | 104 | #define DEFAULT_RAM_SIZE 128 |
77d4bc34 | 105 | #endif |
8a7ddc38 FB |
106 | /* in ms */ |
107 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 108 | |
7dea1da4 FB |
109 | /* XXX: use a two level table to limit memory usage */ |
110 | #define MAX_IOPORTS 65536 | |
0824d6fc | 111 | |
80cabfad | 112 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 113 | char phys_ram_file[1024]; |
c45886db FB |
114 | CPUState *global_env; |
115 | CPUState *cpu_single_env; | |
c4b1fcc0 | 116 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
117 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
118 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 119 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 | 120 | int vga_ram_size; |
0ced6589 | 121 | int bios_size; |
313aa567 | 122 | static DisplayState display_state; |
a20dd508 | 123 | int nographic; |
313aa567 | 124 | int64_t ticks_per_sec; |
36b486bb | 125 | int boot_device = 'c'; |
0ced6589 | 126 | int ram_size; |
80cabfad FB |
127 | static char network_script[1024]; |
128 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
129 | int nb_nics; |
130 | NetDriverState nd_table[MAX_NICS]; | |
8a7ddc38 FB |
131 | QEMUTimer *gui_timer; |
132 | int vm_running; | |
aaaa7df6 | 133 | int audio_enabled = 0; |
bb0c6722 | 134 | int pci_enabled = 1; |
77d4bc34 | 135 | int prep_enabled = 0; |
ee22c2f7 | 136 | int rtc_utc = 1; |
1bfe856e FB |
137 | int cirrus_vga_enabled = 1; |
138 | int graphic_width = 800; | |
139 | int graphic_height = 600; | |
e9b137c2 | 140 | int graphic_depth = 15; |
82c643ff | 141 | TextConsole *vga_console; |
0824d6fc FB |
142 | |
143 | /***********************************************************/ | |
26aa7d72 FB |
144 | /* x86 ISA bus support */ |
145 | ||
146 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 147 | |
c4b1fcc0 | 148 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
149 | { |
150 | #ifdef DEBUG_UNUSED_IOPORT | |
151 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
152 | #endif | |
fc01f7e7 | 153 | return 0xff; |
0824d6fc FB |
154 | } |
155 | ||
c4b1fcc0 | 156 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
157 | { |
158 | #ifdef DEBUG_UNUSED_IOPORT | |
159 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
160 | #endif | |
161 | } | |
162 | ||
163 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 164 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
165 | { |
166 | uint32_t data; | |
db45c29a FB |
167 | data = ioport_read_table[0][address](ioport_opaque[address], address); |
168 | address = (address + 1) & (MAX_IOPORTS - 1); | |
169 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
0824d6fc FB |
170 | return data; |
171 | } | |
172 | ||
c4b1fcc0 | 173 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 174 | { |
db45c29a FB |
175 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
176 | address = (address + 1) & (MAX_IOPORTS - 1); | |
177 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
0824d6fc FB |
178 | } |
179 | ||
c4b1fcc0 | 180 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 181 | { |
fc01f7e7 FB |
182 | #ifdef DEBUG_UNUSED_IOPORT |
183 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
184 | #endif | |
185 | return 0xffffffff; | |
0824d6fc FB |
186 | } |
187 | ||
c4b1fcc0 | 188 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 189 | { |
fc01f7e7 FB |
190 | #ifdef DEBUG_UNUSED_IOPORT |
191 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
192 | #endif | |
0824d6fc FB |
193 | } |
194 | ||
fc01f7e7 | 195 | void init_ioports(void) |
0824d6fc FB |
196 | { |
197 | int i; | |
198 | ||
fc01f7e7 FB |
199 | for(i = 0; i < MAX_IOPORTS; i++) { |
200 | ioport_read_table[0][i] = default_ioport_readb; | |
201 | ioport_write_table[0][i] = default_ioport_writeb; | |
202 | ioport_read_table[1][i] = default_ioport_readw; | |
203 | ioport_write_table[1][i] = default_ioport_writew; | |
204 | ioport_read_table[2][i] = default_ioport_readl; | |
205 | ioport_write_table[2][i] = default_ioport_writel; | |
206 | } | |
0824d6fc FB |
207 | } |
208 | ||
fc01f7e7 | 209 | /* size is the word size in byte */ |
c4b1fcc0 FB |
210 | int register_ioport_read(int start, int length, int size, |
211 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 212 | { |
fc01f7e7 | 213 | int i, bsize; |
f1510b2c | 214 | |
c4b1fcc0 | 215 | if (size == 1) { |
fc01f7e7 | 216 | bsize = 0; |
c4b1fcc0 | 217 | } else if (size == 2) { |
fc01f7e7 | 218 | bsize = 1; |
c4b1fcc0 | 219 | } else if (size == 4) { |
fc01f7e7 | 220 | bsize = 2; |
c4b1fcc0 FB |
221 | } else { |
222 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 223 | return -1; |
c4b1fcc0 FB |
224 | } |
225 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 226 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
227 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
228 | hw_error("register_ioport_read: invalid opaque"); | |
229 | ioport_opaque[i] = opaque; | |
230 | } | |
f1510b2c FB |
231 | return 0; |
232 | } | |
233 | ||
fc01f7e7 | 234 | /* size is the word size in byte */ |
c4b1fcc0 FB |
235 | int register_ioport_write(int start, int length, int size, |
236 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 237 | { |
fc01f7e7 | 238 | int i, bsize; |
f1510b2c | 239 | |
c4b1fcc0 | 240 | if (size == 1) { |
fc01f7e7 | 241 | bsize = 0; |
c4b1fcc0 | 242 | } else if (size == 2) { |
fc01f7e7 | 243 | bsize = 1; |
c4b1fcc0 | 244 | } else if (size == 4) { |
fc01f7e7 | 245 | bsize = 2; |
c4b1fcc0 FB |
246 | } else { |
247 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 248 | return -1; |
c4b1fcc0 FB |
249 | } |
250 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 251 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
252 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
253 | hw_error("register_ioport_read: invalid opaque"); | |
254 | ioport_opaque[i] = opaque; | |
255 | } | |
f1510b2c FB |
256 | return 0; |
257 | } | |
258 | ||
69b91039 FB |
259 | void isa_unassign_ioport(int start, int length) |
260 | { | |
261 | int i; | |
262 | ||
263 | for(i = start; i < start + length; i++) { | |
264 | ioport_read_table[0][i] = default_ioport_readb; | |
265 | ioport_read_table[1][i] = default_ioport_readw; | |
266 | ioport_read_table[2][i] = default_ioport_readl; | |
267 | ||
268 | ioport_write_table[0][i] = default_ioport_writeb; | |
269 | ioport_write_table[1][i] = default_ioport_writew; | |
270 | ioport_write_table[2][i] = default_ioport_writel; | |
271 | } | |
272 | } | |
273 | ||
0824d6fc FB |
274 | void pstrcpy(char *buf, int buf_size, const char *str) |
275 | { | |
276 | int c; | |
277 | char *q = buf; | |
278 | ||
279 | if (buf_size <= 0) | |
280 | return; | |
281 | ||
282 | for(;;) { | |
283 | c = *str++; | |
284 | if (c == 0 || q >= buf + buf_size - 1) | |
285 | break; | |
286 | *q++ = c; | |
287 | } | |
288 | *q = '\0'; | |
289 | } | |
290 | ||
291 | /* strcat and truncate. */ | |
292 | char *pstrcat(char *buf, int buf_size, const char *s) | |
293 | { | |
294 | int len; | |
295 | len = strlen(buf); | |
296 | if (len < buf_size) | |
297 | pstrcpy(buf + len, buf_size - len, s); | |
298 | return buf; | |
299 | } | |
300 | ||
82c643ff FB |
301 | int strstart(const char *str, const char *val, const char **ptr) |
302 | { | |
303 | const char *p, *q; | |
304 | p = str; | |
305 | q = val; | |
306 | while (*q != '\0') { | |
307 | if (*p != *q) | |
308 | return 0; | |
309 | p++; | |
310 | q++; | |
311 | } | |
312 | if (ptr) | |
313 | *ptr = p; | |
314 | return 1; | |
315 | } | |
316 | ||
7587cf44 FB |
317 | /* return the size or -1 if error */ |
318 | int get_image_size(const char *filename) | |
319 | { | |
320 | int fd, size; | |
321 | fd = open(filename, O_RDONLY | O_BINARY); | |
322 | if (fd < 0) | |
323 | return -1; | |
324 | size = lseek(fd, 0, SEEK_END); | |
325 | close(fd); | |
326 | return size; | |
327 | } | |
328 | ||
0824d6fc FB |
329 | /* return the size or -1 if error */ |
330 | int load_image(const char *filename, uint8_t *addr) | |
331 | { | |
332 | int fd, size; | |
40c3bac3 | 333 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
334 | if (fd < 0) |
335 | return -1; | |
336 | size = lseek(fd, 0, SEEK_END); | |
337 | lseek(fd, 0, SEEK_SET); | |
338 | if (read(fd, addr, size) != size) { | |
339 | close(fd); | |
340 | return -1; | |
341 | } | |
342 | close(fd); | |
343 | return size; | |
344 | } | |
345 | ||
c45886db | 346 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 347 | { |
fd872598 FB |
348 | #ifdef DEBUG_IOPORT |
349 | if (loglevel & CPU_LOG_IOPORT) | |
350 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
351 | #endif | |
c4b1fcc0 | 352 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
353 | } |
354 | ||
c45886db | 355 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 356 | { |
fd872598 FB |
357 | #ifdef DEBUG_IOPORT |
358 | if (loglevel & CPU_LOG_IOPORT) | |
359 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
360 | #endif | |
c4b1fcc0 | 361 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
362 | } |
363 | ||
c45886db | 364 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 365 | { |
fd872598 FB |
366 | #ifdef DEBUG_IOPORT |
367 | if (loglevel & CPU_LOG_IOPORT) | |
368 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
369 | #endif | |
c4b1fcc0 | 370 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
371 | } |
372 | ||
c45886db | 373 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 374 | { |
fd872598 | 375 | int val; |
fd872598 FB |
376 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
377 | #ifdef DEBUG_IOPORT | |
378 | if (loglevel & CPU_LOG_IOPORT) | |
379 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
380 | #endif | |
381 | return val; | |
0824d6fc FB |
382 | } |
383 | ||
c45886db | 384 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 385 | { |
fd872598 | 386 | int val; |
fd872598 FB |
387 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
388 | #ifdef DEBUG_IOPORT | |
389 | if (loglevel & CPU_LOG_IOPORT) | |
390 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
391 | #endif | |
392 | return val; | |
0824d6fc FB |
393 | } |
394 | ||
c45886db | 395 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 396 | { |
fd872598 | 397 | int val; |
fd872598 FB |
398 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
399 | #ifdef DEBUG_IOPORT | |
400 | if (loglevel & CPU_LOG_IOPORT) | |
401 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
402 | #endif | |
403 | return val; | |
0824d6fc FB |
404 | } |
405 | ||
406 | /***********************************************************/ | |
0824d6fc FB |
407 | void hw_error(const char *fmt, ...) |
408 | { | |
409 | va_list ap; | |
410 | ||
411 | va_start(ap, fmt); | |
412 | fprintf(stderr, "qemu: hardware error: "); | |
413 | vfprintf(stderr, fmt, ap); | |
414 | fprintf(stderr, "\n"); | |
415 | #ifdef TARGET_I386 | |
416 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
417 | #else |
418 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
419 | #endif |
420 | va_end(ap); | |
421 | abort(); | |
422 | } | |
423 | ||
63066f4f FB |
424 | /***********************************************************/ |
425 | /* keyboard/mouse */ | |
426 | ||
427 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
428 | static void *qemu_put_kbd_event_opaque; | |
429 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
430 | static void *qemu_put_mouse_event_opaque; | |
431 | ||
432 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
433 | { | |
434 | qemu_put_kbd_event_opaque = opaque; | |
435 | qemu_put_kbd_event = func; | |
436 | } | |
437 | ||
438 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) | |
439 | { | |
440 | qemu_put_mouse_event_opaque = opaque; | |
441 | qemu_put_mouse_event = func; | |
442 | } | |
443 | ||
444 | void kbd_put_keycode(int keycode) | |
445 | { | |
446 | if (qemu_put_kbd_event) { | |
447 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
448 | } | |
449 | } | |
450 | ||
451 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
452 | { | |
453 | if (qemu_put_mouse_event) { | |
454 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
455 | dx, dy, dz, buttons_state); | |
456 | } | |
457 | } | |
458 | ||
8a7ddc38 FB |
459 | /***********************************************************/ |
460 | /* timers */ | |
461 | ||
34865134 FB |
462 | #if defined(__powerpc__) |
463 | ||
464 | static inline uint32_t get_tbl(void) | |
0824d6fc | 465 | { |
34865134 FB |
466 | uint32_t tbl; |
467 | asm volatile("mftb %0" : "=r" (tbl)); | |
468 | return tbl; | |
0824d6fc FB |
469 | } |
470 | ||
34865134 FB |
471 | static inline uint32_t get_tbu(void) |
472 | { | |
473 | uint32_t tbl; | |
474 | asm volatile("mftbu %0" : "=r" (tbl)); | |
475 | return tbl; | |
476 | } | |
477 | ||
478 | int64_t cpu_get_real_ticks(void) | |
479 | { | |
480 | uint32_t l, h, h1; | |
481 | /* NOTE: we test if wrapping has occurred */ | |
482 | do { | |
483 | h = get_tbu(); | |
484 | l = get_tbl(); | |
485 | h1 = get_tbu(); | |
486 | } while (h != h1); | |
487 | return ((int64_t)h << 32) | l; | |
488 | } | |
489 | ||
490 | #elif defined(__i386__) | |
491 | ||
492 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
493 | { |
494 | int64_t val; | |
e463b581 | 495 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
496 | return val; |
497 | } | |
498 | ||
1115dde7 FB |
499 | #elif defined(__x86_64__) |
500 | ||
501 | int64_t cpu_get_real_ticks(void) | |
502 | { | |
503 | uint32_t low,high; | |
504 | int64_t val; | |
505 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
506 | val = high; | |
507 | val <<= 32; | |
508 | val |= low; | |
509 | return val; | |
510 | } | |
511 | ||
34865134 FB |
512 | #else |
513 | #error unsupported CPU | |
514 | #endif | |
515 | ||
516 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 517 | static int cpu_ticks_enabled; |
34865134 | 518 | |
8a7ddc38 | 519 | static inline int64_t cpu_get_ticks(void) |
34865134 | 520 | { |
8a7ddc38 FB |
521 | if (!cpu_ticks_enabled) { |
522 | return cpu_ticks_offset; | |
523 | } else { | |
524 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
525 | } | |
34865134 FB |
526 | } |
527 | ||
528 | /* enable cpu_get_ticks() */ | |
529 | void cpu_enable_ticks(void) | |
530 | { | |
8a7ddc38 FB |
531 | if (!cpu_ticks_enabled) { |
532 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
533 | cpu_ticks_enabled = 1; | |
534 | } | |
34865134 FB |
535 | } |
536 | ||
537 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
538 | cpu_get_ticks() after that. */ | |
539 | void cpu_disable_ticks(void) | |
540 | { | |
8a7ddc38 FB |
541 | if (cpu_ticks_enabled) { |
542 | cpu_ticks_offset = cpu_get_ticks(); | |
543 | cpu_ticks_enabled = 0; | |
544 | } | |
34865134 FB |
545 | } |
546 | ||
67b915a5 | 547 | static int64_t get_clock(void) |
34865134 | 548 | { |
67b915a5 FB |
549 | #ifdef _WIN32 |
550 | struct _timeb tb; | |
551 | _ftime(&tb); | |
552 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
553 | #else | |
34865134 FB |
554 | struct timeval tv; |
555 | gettimeofday(&tv, NULL); | |
556 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 557 | #endif |
34865134 FB |
558 | } |
559 | ||
0824d6fc FB |
560 | void cpu_calibrate_ticks(void) |
561 | { | |
562 | int64_t usec, ticks; | |
563 | ||
564 | usec = get_clock(); | |
8a7ddc38 | 565 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
566 | #ifdef _WIN32 |
567 | Sleep(50); | |
568 | #else | |
0824d6fc | 569 | usleep(50 * 1000); |
67b915a5 | 570 | #endif |
0824d6fc | 571 | usec = get_clock() - usec; |
8a7ddc38 | 572 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
573 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
574 | } | |
575 | ||
87858c89 | 576 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 577 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
578 | { |
579 | union { | |
580 | uint64_t ll; | |
581 | struct { | |
582 | #ifdef WORDS_BIGENDIAN | |
583 | uint32_t high, low; | |
584 | #else | |
585 | uint32_t low, high; | |
586 | #endif | |
587 | } l; | |
588 | } u, res; | |
589 | uint64_t rl, rh; | |
590 | ||
591 | u.ll = a; | |
592 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
593 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
594 | rh += (rl >> 32); | |
595 | res.l.high = rh / c; | |
596 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
597 | return res.ll; | |
598 | } | |
599 | ||
8a7ddc38 FB |
600 | #define QEMU_TIMER_REALTIME 0 |
601 | #define QEMU_TIMER_VIRTUAL 1 | |
602 | ||
603 | struct QEMUClock { | |
604 | int type; | |
605 | /* XXX: add frequency */ | |
606 | }; | |
607 | ||
608 | struct QEMUTimer { | |
609 | QEMUClock *clock; | |
610 | int64_t expire_time; | |
611 | QEMUTimerCB *cb; | |
612 | void *opaque; | |
613 | struct QEMUTimer *next; | |
614 | }; | |
615 | ||
616 | QEMUClock *rt_clock; | |
617 | QEMUClock *vm_clock; | |
618 | ||
619 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
620 | #ifdef _WIN32 |
621 | static MMRESULT timerID; | |
622 | #else | |
8a7ddc38 FB |
623 | /* frequency of the times() clock tick */ |
624 | static int timer_freq; | |
67b915a5 | 625 | #endif |
8a7ddc38 FB |
626 | |
627 | QEMUClock *qemu_new_clock(int type) | |
628 | { | |
629 | QEMUClock *clock; | |
630 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
631 | if (!clock) | |
632 | return NULL; | |
633 | clock->type = type; | |
634 | return clock; | |
635 | } | |
636 | ||
637 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
638 | { | |
639 | QEMUTimer *ts; | |
640 | ||
641 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
642 | ts->clock = clock; | |
643 | ts->cb = cb; | |
644 | ts->opaque = opaque; | |
645 | return ts; | |
646 | } | |
647 | ||
648 | void qemu_free_timer(QEMUTimer *ts) | |
649 | { | |
650 | qemu_free(ts); | |
651 | } | |
652 | ||
653 | /* stop a timer, but do not dealloc it */ | |
654 | void qemu_del_timer(QEMUTimer *ts) | |
655 | { | |
656 | QEMUTimer **pt, *t; | |
657 | ||
658 | /* NOTE: this code must be signal safe because | |
659 | qemu_timer_expired() can be called from a signal. */ | |
660 | pt = &active_timers[ts->clock->type]; | |
661 | for(;;) { | |
662 | t = *pt; | |
663 | if (!t) | |
664 | break; | |
665 | if (t == ts) { | |
666 | *pt = t->next; | |
667 | break; | |
668 | } | |
669 | pt = &t->next; | |
670 | } | |
671 | } | |
672 | ||
673 | /* modify the current timer so that it will be fired when current_time | |
674 | >= expire_time. The corresponding callback will be called. */ | |
675 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
676 | { | |
677 | QEMUTimer **pt, *t; | |
678 | ||
679 | qemu_del_timer(ts); | |
680 | ||
681 | /* add the timer in the sorted list */ | |
682 | /* NOTE: this code must be signal safe because | |
683 | qemu_timer_expired() can be called from a signal. */ | |
684 | pt = &active_timers[ts->clock->type]; | |
685 | for(;;) { | |
686 | t = *pt; | |
687 | if (!t) | |
688 | break; | |
689 | if (t->expire_time > expire_time) | |
690 | break; | |
691 | pt = &t->next; | |
692 | } | |
693 | ts->expire_time = expire_time; | |
694 | ts->next = *pt; | |
695 | *pt = ts; | |
696 | } | |
697 | ||
698 | int qemu_timer_pending(QEMUTimer *ts) | |
699 | { | |
700 | QEMUTimer *t; | |
701 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
702 | if (t == ts) | |
703 | return 1; | |
704 | } | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
709 | { | |
710 | if (!timer_head) | |
711 | return 0; | |
712 | return (timer_head->expire_time <= current_time); | |
713 | } | |
714 | ||
715 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
716 | { | |
717 | QEMUTimer *ts; | |
718 | ||
719 | for(;;) { | |
720 | ts = *ptimer_head; | |
721 | if (ts->expire_time > current_time) | |
722 | break; | |
723 | /* remove timer from the list before calling the callback */ | |
724 | *ptimer_head = ts->next; | |
725 | ts->next = NULL; | |
726 | ||
727 | /* run the callback (the timer list can be modified) */ | |
728 | ts->cb(ts->opaque); | |
729 | } | |
730 | } | |
731 | ||
732 | int64_t qemu_get_clock(QEMUClock *clock) | |
733 | { | |
734 | switch(clock->type) { | |
735 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
736 | #ifdef _WIN32 |
737 | return GetTickCount(); | |
738 | #else | |
7d3505c5 FB |
739 | { |
740 | struct tms tp; | |
741 | ||
742 | /* Note that using gettimeofday() is not a good solution | |
743 | for timers because its value change when the date is | |
744 | modified. */ | |
745 | if (timer_freq == 100) { | |
746 | return times(&tp) * 10; | |
747 | } else { | |
748 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
749 | } | |
8a7ddc38 | 750 | } |
67b915a5 | 751 | #endif |
8a7ddc38 FB |
752 | default: |
753 | case QEMU_TIMER_VIRTUAL: | |
754 | return cpu_get_ticks(); | |
755 | } | |
756 | } | |
757 | ||
758 | /* save a timer */ | |
759 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
760 | { | |
761 | uint64_t expire_time; | |
762 | ||
763 | if (qemu_timer_pending(ts)) { | |
764 | expire_time = ts->expire_time; | |
765 | } else { | |
766 | expire_time = -1; | |
767 | } | |
768 | qemu_put_be64(f, expire_time); | |
769 | } | |
770 | ||
771 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
772 | { | |
773 | uint64_t expire_time; | |
774 | ||
775 | expire_time = qemu_get_be64(f); | |
776 | if (expire_time != -1) { | |
777 | qemu_mod_timer(ts, expire_time); | |
778 | } else { | |
779 | qemu_del_timer(ts); | |
780 | } | |
781 | } | |
782 | ||
783 | static void timer_save(QEMUFile *f, void *opaque) | |
784 | { | |
785 | if (cpu_ticks_enabled) { | |
786 | hw_error("cannot save state if virtual timers are running"); | |
787 | } | |
788 | qemu_put_be64s(f, &cpu_ticks_offset); | |
789 | qemu_put_be64s(f, &ticks_per_sec); | |
790 | } | |
791 | ||
792 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
793 | { | |
794 | if (version_id != 1) | |
795 | return -EINVAL; | |
796 | if (cpu_ticks_enabled) { | |
797 | return -EINVAL; | |
798 | } | |
799 | qemu_get_be64s(f, &cpu_ticks_offset); | |
800 | qemu_get_be64s(f, &ticks_per_sec); | |
801 | return 0; | |
802 | } | |
803 | ||
67b915a5 FB |
804 | #ifdef _WIN32 |
805 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
806 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
807 | #else | |
8a7ddc38 | 808 | static void host_alarm_handler(int host_signum) |
67b915a5 | 809 | #endif |
8a7ddc38 | 810 | { |
02ba45c5 FB |
811 | #if 0 |
812 | #define DISP_FREQ 1000 | |
813 | { | |
814 | static int64_t delta_min = INT64_MAX; | |
815 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
816 | static int count; | |
817 | ti = qemu_get_clock(vm_clock); | |
818 | if (last_clock != 0) { | |
819 | delta = ti - last_clock; | |
820 | if (delta < delta_min) | |
821 | delta_min = delta; | |
822 | if (delta > delta_max) | |
823 | delta_max = delta; | |
824 | delta_cum += delta; | |
825 | if (++count == DISP_FREQ) { | |
826 | printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n", | |
827 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
828 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
829 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
830 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
831 | count = 0; | |
832 | delta_min = INT64_MAX; | |
833 | delta_max = 0; | |
834 | delta_cum = 0; | |
835 | } | |
836 | } | |
837 | last_clock = ti; | |
838 | } | |
839 | #endif | |
8a7ddc38 FB |
840 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
841 | qemu_get_clock(vm_clock)) || | |
842 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
843 | qemu_get_clock(rt_clock))) { | |
844 | /* stop the cpu because a timer occured */ | |
845 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
846 | } | |
847 | } | |
848 | ||
fd872598 FB |
849 | #ifndef _WIN32 |
850 | ||
829309c7 FB |
851 | #if defined(__linux__) |
852 | ||
fd872598 FB |
853 | #define RTC_FREQ 1024 |
854 | ||
855 | static int rtc_fd; | |
829309c7 | 856 | |
fd872598 FB |
857 | static int start_rtc_timer(void) |
858 | { | |
859 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
860 | if (rtc_fd < 0) | |
861 | return -1; | |
862 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
863 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
864 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
865 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
866 | goto fail; | |
867 | } | |
868 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
869 | fail: | |
870 | close(rtc_fd); | |
871 | return -1; | |
872 | } | |
873 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
874 | return 0; | |
875 | } | |
876 | ||
829309c7 FB |
877 | #else |
878 | ||
879 | static int start_rtc_timer(void) | |
880 | { | |
881 | return -1; | |
882 | } | |
883 | ||
884 | #endif /* !defined(__linux__) */ | |
885 | ||
886 | #endif /* !defined(_WIN32) */ | |
fd872598 | 887 | |
8a7ddc38 FB |
888 | static void init_timers(void) |
889 | { | |
8a7ddc38 FB |
890 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
891 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
892 | ||
67b915a5 FB |
893 | #ifdef _WIN32 |
894 | { | |
895 | int count=0; | |
40c3bac3 FB |
896 | timerID = timeSetEvent(10, // interval (ms) |
897 | 0, // resolution | |
898 | host_alarm_handler, // function | |
899 | (DWORD)&count, // user parameter | |
900 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
901 | if( !timerID ) { |
902 | perror("failed timer alarm"); | |
903 | exit(1); | |
904 | } | |
905 | } | |
906 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
907 | #else | |
908 | { | |
909 | struct sigaction act; | |
910 | struct itimerval itv; | |
911 | ||
912 | /* get times() syscall frequency */ | |
913 | timer_freq = sysconf(_SC_CLK_TCK); | |
914 | ||
915 | /* timer signal */ | |
916 | sigfillset(&act.sa_mask); | |
917 | act.sa_flags = 0; | |
8a7ddc38 | 918 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
919 | act.sa_flags |= SA_ONSTACK; |
920 | #endif | |
921 | act.sa_handler = host_alarm_handler; | |
922 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 923 | |
67b915a5 FB |
924 | itv.it_interval.tv_sec = 0; |
925 | itv.it_interval.tv_usec = 1000; | |
926 | itv.it_value.tv_sec = 0; | |
927 | itv.it_value.tv_usec = 10 * 1000; | |
928 | setitimer(ITIMER_REAL, &itv, NULL); | |
929 | /* we probe the tick duration of the kernel to inform the user if | |
930 | the emulated kernel requested a too high timer frequency */ | |
931 | getitimer(ITIMER_REAL, &itv); | |
fd872598 | 932 | |
83fb7adf | 933 | #if defined(__linux__) |
fd872598 FB |
934 | if (itv.it_interval.tv_usec > 1000) { |
935 | /* try to use /dev/rtc to have a faster timer */ | |
936 | if (start_rtc_timer() < 0) | |
937 | goto use_itimer; | |
938 | /* disable itimer */ | |
939 | itv.it_interval.tv_sec = 0; | |
940 | itv.it_interval.tv_usec = 0; | |
941 | itv.it_value.tv_sec = 0; | |
942 | itv.it_value.tv_usec = 0; | |
943 | setitimer(ITIMER_REAL, &itv, NULL); | |
944 | ||
945 | /* use the RTC */ | |
a1968d71 | 946 | sigaction(SIGIO, &act, NULL); |
fd872598 FB |
947 | fcntl(rtc_fd, F_SETFL, O_ASYNC); |
948 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
83fb7adf FB |
949 | } else |
950 | #endif /* defined(__linux__) */ | |
951 | { | |
fd872598 FB |
952 | use_itimer: |
953 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
954 | PIT_FREQ) / 1000000; | |
955 | } | |
67b915a5 | 956 | } |
8a7ddc38 | 957 | #endif |
8a7ddc38 FB |
958 | } |
959 | ||
40c3bac3 FB |
960 | void quit_timers(void) |
961 | { | |
962 | #ifdef _WIN32 | |
963 | timeKillEvent(timerID); | |
964 | #endif | |
965 | } | |
966 | ||
c4b1fcc0 | 967 | /***********************************************************/ |
82c643ff | 968 | /* character device */ |
313aa567 | 969 | |
82c643ff FB |
970 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
971 | { | |
972 | return s->chr_write(s, buf, len); | |
973 | } | |
67b915a5 | 974 | |
82c643ff | 975 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
67b915a5 | 976 | { |
82c643ff FB |
977 | char buf[4096]; |
978 | va_list ap; | |
979 | va_start(ap, fmt); | |
980 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
981 | qemu_chr_write(s, buf, strlen(buf)); | |
982 | va_end(ap); | |
67b915a5 FB |
983 | } |
984 | ||
5905b2e5 FB |
985 | void qemu_chr_send_event(CharDriverState *s, int event) |
986 | { | |
987 | if (s->chr_send_event) | |
988 | s->chr_send_event(s, event); | |
989 | } | |
990 | ||
82c643ff FB |
991 | void qemu_chr_add_read_handler(CharDriverState *s, |
992 | IOCanRWHandler *fd_can_read, | |
993 | IOReadHandler *fd_read, void *opaque) | |
994 | { | |
995 | s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); | |
996 | } | |
997 | ||
998 | void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event) | |
999 | { | |
1000 | s->chr_event = chr_event; | |
1001 | } | |
67b915a5 | 1002 | |
82c643ff | 1003 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
313aa567 | 1004 | { |
82c643ff FB |
1005 | return len; |
1006 | } | |
1007 | ||
1008 | static void null_chr_add_read_handler(CharDriverState *chr, | |
1009 | IOCanRWHandler *fd_can_read, | |
1010 | IOReadHandler *fd_read, void *opaque) | |
1011 | { | |
1012 | } | |
1013 | ||
1014 | CharDriverState *qemu_chr_open_null(void) | |
1015 | { | |
1016 | CharDriverState *chr; | |
1017 | ||
1018 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1019 | if (!chr) | |
1020 | return NULL; | |
1021 | chr->chr_write = null_chr_write; | |
1022 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1023 | return chr; | |
1024 | } | |
1025 | ||
1026 | #ifndef _WIN32 | |
1027 | ||
1028 | typedef struct { | |
1029 | int fd_in, fd_out; | |
1030 | /* for nographic stdio only */ | |
1031 | IOCanRWHandler *fd_can_read; | |
1032 | IOReadHandler *fd_read; | |
1033 | void *fd_opaque; | |
1034 | } FDCharDriver; | |
1035 | ||
1036 | #define STDIO_MAX_CLIENTS 2 | |
1037 | ||
1038 | static int stdio_nb_clients; | |
1039 | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS]; | |
1040 | ||
1041 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1042 | { | |
1043 | FDCharDriver *s = chr->opaque; | |
1044 | return write(s->fd_out, buf, len); | |
1045 | } | |
1046 | ||
1047 | static void fd_chr_add_read_handler(CharDriverState *chr, | |
1048 | IOCanRWHandler *fd_can_read, | |
1049 | IOReadHandler *fd_read, void *opaque) | |
1050 | { | |
1051 | FDCharDriver *s = chr->opaque; | |
1052 | ||
1053 | if (nographic && s->fd_in == 0) { | |
1054 | s->fd_can_read = fd_can_read; | |
1055 | s->fd_read = fd_read; | |
1056 | s->fd_opaque = opaque; | |
80cabfad | 1057 | } else { |
82c643ff FB |
1058 | qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque); |
1059 | } | |
1060 | } | |
1061 | ||
1062 | /* open a character device to a unix fd */ | |
1063 | CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1064 | { | |
1065 | CharDriverState *chr; | |
1066 | FDCharDriver *s; | |
1067 | ||
1068 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1069 | if (!chr) | |
1070 | return NULL; | |
1071 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1072 | if (!s) { | |
1073 | free(chr); | |
1074 | return NULL; | |
1075 | } | |
1076 | s->fd_in = fd_in; | |
1077 | s->fd_out = fd_out; | |
1078 | chr->opaque = s; | |
1079 | chr->chr_write = fd_chr_write; | |
1080 | chr->chr_add_read_handler = fd_chr_add_read_handler; | |
1081 | return chr; | |
1082 | } | |
1083 | ||
1084 | /* for STDIO, we handle the case where several clients use it | |
1085 | (nographic mode) */ | |
1086 | ||
1087 | #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ | |
1088 | ||
1089 | static int term_got_escape, client_index; | |
1090 | ||
1091 | void term_print_help(void) | |
1092 | { | |
1093 | printf("\n" | |
1094 | "C-a h print this help\n" | |
1095 | "C-a x exit emulator\n" | |
1096 | "C-a s save disk data back to file (if -snapshot)\n" | |
1097 | "C-a b send break (magic sysrq)\n" | |
1098 | "C-a c switch between console and monitor\n" | |
1099 | "C-a C-a send C-a\n" | |
1100 | ); | |
1101 | } | |
1102 | ||
1103 | /* called when a char is received */ | |
1104 | static void stdio_received_byte(int ch) | |
1105 | { | |
1106 | if (term_got_escape) { | |
1107 | term_got_escape = 0; | |
1108 | switch(ch) { | |
1109 | case 'h': | |
1110 | term_print_help(); | |
1111 | break; | |
1112 | case 'x': | |
1113 | exit(0); | |
1114 | break; | |
1115 | case 's': | |
1116 | { | |
1117 | int i; | |
1118 | for (i = 0; i < MAX_DISKS; i++) { | |
1119 | if (bs_table[i]) | |
1120 | bdrv_commit(bs_table[i]); | |
1121 | } | |
1122 | } | |
1123 | break; | |
1124 | case 'b': | |
1125 | if (client_index < stdio_nb_clients) { | |
1126 | CharDriverState *chr; | |
1127 | FDCharDriver *s; | |
1128 | ||
1129 | chr = stdio_clients[client_index]; | |
1130 | s = chr->opaque; | |
1131 | chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); | |
1132 | } | |
1133 | break; | |
1134 | case 'c': | |
1135 | client_index++; | |
1136 | if (client_index >= stdio_nb_clients) | |
1137 | client_index = 0; | |
1138 | if (client_index == 0) { | |
1139 | /* send a new line in the monitor to get the prompt */ | |
1140 | ch = '\r'; | |
1141 | goto send_char; | |
1142 | } | |
1143 | break; | |
1144 | case TERM_ESCAPE: | |
1145 | goto send_char; | |
1146 | } | |
1147 | } else if (ch == TERM_ESCAPE) { | |
1148 | term_got_escape = 1; | |
1149 | } else { | |
1150 | send_char: | |
1151 | if (client_index < stdio_nb_clients) { | |
1152 | uint8_t buf[1]; | |
1153 | CharDriverState *chr; | |
1154 | FDCharDriver *s; | |
1155 | ||
1156 | chr = stdio_clients[client_index]; | |
1157 | s = chr->opaque; | |
1158 | buf[0] = ch; | |
1159 | /* XXX: should queue the char if the device is not | |
1160 | ready */ | |
1161 | if (s->fd_can_read(s->fd_opaque) > 0) | |
1162 | s->fd_read(s->fd_opaque, buf, 1); | |
c4b1fcc0 | 1163 | } |
330d0414 | 1164 | } |
330d0414 FB |
1165 | } |
1166 | ||
82c643ff FB |
1167 | static int stdio_can_read(void *opaque) |
1168 | { | |
1169 | /* XXX: not strictly correct */ | |
1170 | return 1; | |
1171 | } | |
1172 | ||
1173 | static void stdio_read(void *opaque, const uint8_t *buf, int size) | |
1174 | { | |
1175 | int i; | |
1176 | for(i = 0; i < size; i++) | |
1177 | stdio_received_byte(buf[i]); | |
1178 | } | |
1179 | ||
1180 | CharDriverState *qemu_chr_open_stdio(void) | |
1181 | { | |
1182 | CharDriverState *chr; | |
1183 | ||
1184 | if (nographic) { | |
1185 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1186 | return NULL; | |
1187 | chr = qemu_chr_open_fd(0, 1); | |
1188 | if (stdio_nb_clients == 0) | |
1189 | qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL); | |
1190 | client_index = stdio_nb_clients; | |
1191 | } else { | |
1192 | if (stdio_nb_clients != 0) | |
1193 | return NULL; | |
1194 | chr = qemu_chr_open_fd(0, 1); | |
1195 | } | |
1196 | stdio_clients[stdio_nb_clients++] = chr; | |
1197 | return chr; | |
1198 | } | |
1199 | ||
1200 | #if defined(__linux__) | |
1201 | CharDriverState *qemu_chr_open_pty(void) | |
1202 | { | |
1203 | char slave_name[1024]; | |
1204 | int master_fd, slave_fd; | |
1205 | ||
1206 | /* Not satisfying */ | |
1207 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1208 | return NULL; | |
1209 | } | |
1210 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1211 | return qemu_chr_open_fd(master_fd, master_fd); | |
1212 | } | |
1213 | #else | |
1214 | CharDriverState *qemu_chr_open_pty(void) | |
1215 | { | |
1216 | return NULL; | |
1217 | } | |
67b915a5 FB |
1218 | #endif |
1219 | ||
82c643ff FB |
1220 | #endif /* !defined(_WIN32) */ |
1221 | ||
1222 | CharDriverState *qemu_chr_open(const char *filename) | |
1223 | { | |
1224 | if (!strcmp(filename, "vc")) { | |
1225 | return text_console_init(&display_state); | |
1226 | } else if (!strcmp(filename, "null")) { | |
1227 | return qemu_chr_open_null(); | |
1228 | } else | |
1229 | #ifndef _WIN32 | |
1230 | if (!strcmp(filename, "pty")) { | |
1231 | return qemu_chr_open_pty(); | |
1232 | } else if (!strcmp(filename, "stdio")) { | |
1233 | return qemu_chr_open_stdio(); | |
1234 | } else | |
1235 | #endif | |
1236 | { | |
1237 | return NULL; | |
1238 | } | |
1239 | } | |
1240 | ||
80cabfad | 1241 | /***********************************************************/ |
c20709aa | 1242 | /* Linux network device redirectors */ |
330d0414 | 1243 | |
c20709aa FB |
1244 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
1245 | { | |
1246 | int len, i, j, c; | |
1247 | ||
1248 | for(i=0;i<size;i+=16) { | |
1249 | len = size - i; | |
1250 | if (len > 16) | |
1251 | len = 16; | |
1252 | fprintf(f, "%08x ", i); | |
1253 | for(j=0;j<16;j++) { | |
1254 | if (j < len) | |
1255 | fprintf(f, " %02x", buf[i+j]); | |
1256 | else | |
1257 | fprintf(f, " "); | |
1258 | } | |
1259 | fprintf(f, " "); | |
1260 | for(j=0;j<len;j++) { | |
1261 | c = buf[i+j]; | |
1262 | if (c < ' ' || c > '~') | |
1263 | c = '.'; | |
1264 | fprintf(f, "%c", c); | |
1265 | } | |
1266 | fprintf(f, "\n"); | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1271 | { | |
1272 | nd->send_packet(nd, buf, size); | |
1273 | } | |
67b915a5 | 1274 | |
c20709aa FB |
1275 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
1276 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 1277 | { |
c20709aa FB |
1278 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
1279 | } | |
1280 | ||
1281 | /* dummy network adapter */ | |
1282 | ||
1283 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1284 | { | |
1285 | } | |
1286 | ||
1287 | static void dummy_add_read_packet(NetDriverState *nd, | |
1288 | IOCanRWHandler *fd_can_read, | |
1289 | IOReadHandler *fd_read, void *opaque) | |
1290 | { | |
1291 | } | |
1292 | ||
1293 | static int net_dummy_init(NetDriverState *nd) | |
1294 | { | |
1295 | nd->send_packet = dummy_send_packet; | |
1296 | nd->add_read_packet = dummy_add_read_packet; | |
1297 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
1298 | return 0; |
1299 | } | |
1300 | ||
c20709aa FB |
1301 | #if defined(CONFIG_SLIRP) |
1302 | ||
1303 | /* slirp network adapter */ | |
1304 | ||
1305 | static void *slirp_fd_opaque; | |
1306 | static IOCanRWHandler *slirp_fd_can_read; | |
1307 | static IOReadHandler *slirp_fd_read; | |
1308 | static int slirp_inited; | |
1309 | ||
1310 | int slirp_can_output(void) | |
1311 | { | |
1312 | return slirp_fd_can_read(slirp_fd_opaque); | |
1313 | } | |
1314 | ||
1315 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 1316 | { |
c20709aa FB |
1317 | #if 0 |
1318 | printf("output:\n"); | |
1319 | hex_dump(stdout, pkt, pkt_len); | |
1320 | #endif | |
1321 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
1322 | } |
1323 | ||
c20709aa FB |
1324 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1325 | { | |
1326 | #if 0 | |
1327 | printf("input:\n"); | |
1328 | hex_dump(stdout, buf, size); | |
1329 | #endif | |
1330 | slirp_input(buf, size); | |
1331 | } | |
1332 | ||
1333 | static void slirp_add_read_packet(NetDriverState *nd, | |
1334 | IOCanRWHandler *fd_can_read, | |
1335 | IOReadHandler *fd_read, void *opaque) | |
1336 | { | |
1337 | slirp_fd_opaque = opaque; | |
1338 | slirp_fd_can_read = fd_can_read; | |
1339 | slirp_fd_read = fd_read; | |
1340 | } | |
1341 | ||
1342 | static int net_slirp_init(NetDriverState *nd) | |
1343 | { | |
1344 | if (!slirp_inited) { | |
1345 | slirp_inited = 1; | |
1346 | slirp_init(); | |
1347 | } | |
1348 | nd->send_packet = slirp_send_packet; | |
1349 | nd->add_read_packet = slirp_add_read_packet; | |
1350 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | #endif /* CONFIG_SLIRP */ | |
1355 | ||
1356 | #if !defined(_WIN32) | |
7d3505c5 FB |
1357 | #ifdef _BSD |
1358 | static int tun_open(char *ifname, int ifname_size) | |
1359 | { | |
1360 | int fd; | |
1361 | char *dev; | |
1362 | struct stat s; | |
67b915a5 | 1363 | |
7d3505c5 FB |
1364 | fd = open("/dev/tap", O_RDWR); |
1365 | if (fd < 0) { | |
1366 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1367 | return -1; | |
1368 | } | |
1369 | ||
1370 | fstat(fd, &s); | |
1371 | dev = devname(s.st_rdev, S_IFCHR); | |
1372 | pstrcpy(ifname, ifname_size, dev); | |
1373 | ||
1374 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1375 | return fd; | |
1376 | } | |
1377 | #else | |
c4b1fcc0 | 1378 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 1379 | { |
80cabfad | 1380 | struct ifreq ifr; |
c4b1fcc0 | 1381 | int fd, ret; |
80cabfad FB |
1382 | |
1383 | fd = open("/dev/net/tun", O_RDWR); | |
1384 | if (fd < 0) { | |
1385 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1386 | return -1; | |
330d0414 | 1387 | } |
80cabfad FB |
1388 | memset(&ifr, 0, sizeof(ifr)); |
1389 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1390 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
1391 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1392 | if (ret != 0) { | |
1393 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1394 | close(fd); | |
1395 | return -1; | |
1396 | } | |
1397 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 1398 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 1399 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
1400 | return fd; |
1401 | } | |
7d3505c5 | 1402 | #endif |
330d0414 | 1403 | |
c20709aa FB |
1404 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1405 | { | |
1406 | write(nd->fd, buf, size); | |
1407 | } | |
1408 | ||
1409 | static void tun_add_read_packet(NetDriverState *nd, | |
1410 | IOCanRWHandler *fd_can_read, | |
1411 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1412 | { |
c20709aa FB |
1413 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1414 | } | |
1415 | ||
1416 | static int net_tun_init(NetDriverState *nd) | |
1417 | { | |
1418 | int pid, status; | |
1419 | char *args[3]; | |
c4b1fcc0 FB |
1420 | char **parg; |
1421 | ||
c20709aa FB |
1422 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1423 | if (nd->fd < 0) | |
1424 | return -1; | |
c4b1fcc0 | 1425 | |
c20709aa FB |
1426 | /* try to launch network init script */ |
1427 | pid = fork(); | |
1428 | if (pid >= 0) { | |
1429 | if (pid == 0) { | |
1430 | parg = args; | |
1431 | *parg++ = network_script; | |
1432 | *parg++ = nd->ifname; | |
1433 | *parg++ = NULL; | |
1434 | execv(network_script, args); | |
1435 | exit(1); | |
1436 | } | |
1437 | while (waitpid(pid, &status, 0) != pid); | |
1438 | if (!WIFEXITED(status) || | |
1439 | WEXITSTATUS(status) != 0) { | |
1440 | fprintf(stderr, "%s: could not launch network script\n", | |
1441 | network_script); | |
80cabfad | 1442 | } |
330d0414 | 1443 | } |
c20709aa FB |
1444 | nd->send_packet = tun_send_packet; |
1445 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1446 | return 0; |
330d0414 FB |
1447 | } |
1448 | ||
c20709aa | 1449 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1450 | { |
c20709aa FB |
1451 | nd->fd = fd; |
1452 | nd->send_packet = tun_send_packet; | |
1453 | nd->add_read_packet = tun_add_read_packet; | |
1454 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1455 | return 0; | |
80cabfad | 1456 | } |
330d0414 | 1457 | |
c20709aa | 1458 | #endif /* !_WIN32 */ |
67b915a5 | 1459 | |
313aa567 FB |
1460 | /***********************************************************/ |
1461 | /* dumb display */ | |
1462 | ||
67b915a5 FB |
1463 | #ifdef _WIN32 |
1464 | ||
1465 | static void term_exit(void) | |
1466 | { | |
1467 | } | |
1468 | ||
1469 | static void term_init(void) | |
1470 | { | |
1471 | } | |
1472 | ||
1473 | #else | |
1474 | ||
313aa567 FB |
1475 | /* init terminal so that we can grab keys */ |
1476 | static struct termios oldtty; | |
02ba45c5 | 1477 | static int old_fd0_flags; |
313aa567 FB |
1478 | |
1479 | static void term_exit(void) | |
1480 | { | |
1481 | tcsetattr (0, TCSANOW, &oldtty); | |
02ba45c5 | 1482 | fcntl(0, F_SETFL, old_fd0_flags); |
313aa567 FB |
1483 | } |
1484 | ||
1485 | static void term_init(void) | |
1486 | { | |
1487 | struct termios tty; | |
1488 | ||
1489 | tcgetattr (0, &tty); | |
1490 | oldtty = tty; | |
02ba45c5 | 1491 | old_fd0_flags = fcntl(0, F_GETFL); |
313aa567 FB |
1492 | |
1493 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1494 | |INLCR|IGNCR|ICRNL|IXON); | |
1495 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
1496 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1497 | /* if graphical mode, we allow Ctrl-C handling */ | |
1498 | if (nographic) | |
1499 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
1500 | tty.c_cflag &= ~(CSIZE|PARENB); |
1501 | tty.c_cflag |= CS8; | |
1502 | tty.c_cc[VMIN] = 1; | |
1503 | tty.c_cc[VTIME] = 0; | |
1504 | ||
1505 | tcsetattr (0, TCSANOW, &tty); | |
1506 | ||
1507 | atexit(term_exit); | |
1508 | ||
1509 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1510 | } | |
1511 | ||
67b915a5 FB |
1512 | #endif |
1513 | ||
313aa567 FB |
1514 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1515 | { | |
1516 | } | |
1517 | ||
1518 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1519 | { | |
1520 | } | |
1521 | ||
1522 | static void dumb_refresh(DisplayState *ds) | |
1523 | { | |
1524 | vga_update_display(); | |
1525 | } | |
1526 | ||
1527 | void dumb_display_init(DisplayState *ds) | |
1528 | { | |
1529 | ds->data = NULL; | |
1530 | ds->linesize = 0; | |
1531 | ds->depth = 0; | |
1532 | ds->dpy_update = dumb_update; | |
1533 | ds->dpy_resize = dumb_resize; | |
1534 | ds->dpy_refresh = dumb_refresh; | |
1535 | } | |
1536 | ||
3a51dee6 | 1537 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1538 | /***********************************************************/ |
0824d6fc FB |
1539 | /* cpu signal handler */ |
1540 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1541 | void *puc) | |
1542 | { | |
1543 | if (cpu_signal_handler(host_signum, info, puc)) | |
1544 | return; | |
1545 | term_exit(); | |
1546 | abort(); | |
1547 | } | |
3a51dee6 | 1548 | #endif |
0824d6fc | 1549 | |
8a7ddc38 FB |
1550 | /***********************************************************/ |
1551 | /* I/O handling */ | |
0824d6fc | 1552 | |
c4b1fcc0 FB |
1553 | #define MAX_IO_HANDLERS 64 |
1554 | ||
1555 | typedef struct IOHandlerRecord { | |
1556 | int fd; | |
1557 | IOCanRWHandler *fd_can_read; | |
1558 | IOReadHandler *fd_read; | |
1559 | void *opaque; | |
1560 | /* temporary data */ | |
1561 | struct pollfd *ufd; | |
1562 | int max_size; | |
8a7ddc38 | 1563 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1564 | } IOHandlerRecord; |
1565 | ||
8a7ddc38 | 1566 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1567 | |
8a7ddc38 FB |
1568 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1569 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1570 | { |
1571 | IOHandlerRecord *ioh; | |
1572 | ||
8a7ddc38 FB |
1573 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1574 | if (!ioh) | |
c4b1fcc0 | 1575 | return -1; |
c4b1fcc0 FB |
1576 | ioh->fd = fd; |
1577 | ioh->fd_can_read = fd_can_read; | |
1578 | ioh->fd_read = fd_read; | |
1579 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1580 | ioh->next = first_io_handler; |
1581 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1582 | return 0; |
1583 | } | |
1584 | ||
8a7ddc38 FB |
1585 | void qemu_del_fd_read_handler(int fd) |
1586 | { | |
1587 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1588 | |
8a7ddc38 FB |
1589 | pioh = &first_io_handler; |
1590 | for(;;) { | |
1591 | ioh = *pioh; | |
1592 | if (ioh == NULL) | |
1593 | break; | |
1594 | if (ioh->fd == fd) { | |
1595 | *pioh = ioh->next; | |
1596 | break; | |
1597 | } | |
1598 | pioh = &ioh->next; | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | /***********************************************************/ | |
1603 | /* savevm/loadvm support */ | |
1604 | ||
1605 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1606 | { |
8a7ddc38 | 1607 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1608 | } |
1609 | ||
8a7ddc38 | 1610 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1611 | { |
8a7ddc38 FB |
1612 | fputc(v, f); |
1613 | } | |
1614 | ||
1615 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1616 | { | |
1617 | qemu_put_byte(f, v >> 8); | |
1618 | qemu_put_byte(f, v); | |
1619 | } | |
1620 | ||
1621 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1622 | { | |
1623 | qemu_put_byte(f, v >> 24); | |
1624 | qemu_put_byte(f, v >> 16); | |
1625 | qemu_put_byte(f, v >> 8); | |
1626 | qemu_put_byte(f, v); | |
1627 | } | |
1628 | ||
1629 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1630 | { | |
1631 | qemu_put_be32(f, v >> 32); | |
1632 | qemu_put_be32(f, v); | |
1633 | } | |
1634 | ||
1635 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1636 | { | |
1637 | return fread(buf, 1, size, f); | |
1638 | } | |
1639 | ||
1640 | int qemu_get_byte(QEMUFile *f) | |
1641 | { | |
1642 | int v; | |
1643 | v = fgetc(f); | |
1644 | if (v == EOF) | |
1645 | return 0; | |
1646 | else | |
1647 | return v; | |
1648 | } | |
1649 | ||
1650 | unsigned int qemu_get_be16(QEMUFile *f) | |
1651 | { | |
1652 | unsigned int v; | |
1653 | v = qemu_get_byte(f) << 8; | |
1654 | v |= qemu_get_byte(f); | |
1655 | return v; | |
1656 | } | |
1657 | ||
1658 | unsigned int qemu_get_be32(QEMUFile *f) | |
1659 | { | |
1660 | unsigned int v; | |
1661 | v = qemu_get_byte(f) << 24; | |
1662 | v |= qemu_get_byte(f) << 16; | |
1663 | v |= qemu_get_byte(f) << 8; | |
1664 | v |= qemu_get_byte(f); | |
1665 | return v; | |
1666 | } | |
1667 | ||
1668 | uint64_t qemu_get_be64(QEMUFile *f) | |
1669 | { | |
1670 | uint64_t v; | |
1671 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1672 | v |= qemu_get_be32(f); | |
1673 | return v; | |
1674 | } | |
1675 | ||
1676 | int64_t qemu_ftell(QEMUFile *f) | |
1677 | { | |
1678 | return ftell(f); | |
1679 | } | |
1680 | ||
1681 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1682 | { | |
1683 | if (fseek(f, pos, whence) < 0) | |
1684 | return -1; | |
1685 | return ftell(f); | |
1686 | } | |
1687 | ||
1688 | typedef struct SaveStateEntry { | |
1689 | char idstr[256]; | |
1690 | int instance_id; | |
1691 | int version_id; | |
1692 | SaveStateHandler *save_state; | |
1693 | LoadStateHandler *load_state; | |
1694 | void *opaque; | |
1695 | struct SaveStateEntry *next; | |
1696 | } SaveStateEntry; | |
b4608c04 | 1697 | |
8a7ddc38 FB |
1698 | static SaveStateEntry *first_se; |
1699 | ||
1700 | int register_savevm(const char *idstr, | |
1701 | int instance_id, | |
1702 | int version_id, | |
1703 | SaveStateHandler *save_state, | |
1704 | LoadStateHandler *load_state, | |
1705 | void *opaque) | |
1706 | { | |
1707 | SaveStateEntry *se, **pse; | |
1708 | ||
1709 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1710 | if (!se) | |
1711 | return -1; | |
1712 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1713 | se->instance_id = instance_id; | |
1714 | se->version_id = version_id; | |
1715 | se->save_state = save_state; | |
1716 | se->load_state = load_state; | |
1717 | se->opaque = opaque; | |
1718 | se->next = NULL; | |
1719 | ||
1720 | /* add at the end of list */ | |
1721 | pse = &first_se; | |
1722 | while (*pse != NULL) | |
1723 | pse = &(*pse)->next; | |
1724 | *pse = se; | |
1725 | return 0; | |
1726 | } | |
1727 | ||
1728 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1729 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1730 | ||
1731 | int qemu_savevm(const char *filename) | |
1732 | { | |
1733 | SaveStateEntry *se; | |
1734 | QEMUFile *f; | |
1735 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1736 | ||
1737 | saved_vm_running = vm_running; | |
1738 | vm_stop(0); | |
1739 | ||
1740 | f = fopen(filename, "wb"); | |
1741 | if (!f) { | |
1742 | ret = -1; | |
1743 | goto the_end; | |
313aa567 FB |
1744 | } |
1745 | ||
8a7ddc38 FB |
1746 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1747 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1748 | ||
1749 | for(se = first_se; se != NULL; se = se->next) { | |
1750 | /* ID string */ | |
1751 | len = strlen(se->idstr); | |
1752 | qemu_put_byte(f, len); | |
1753 | qemu_put_buffer(f, se->idstr, len); | |
1754 | ||
1755 | qemu_put_be32(f, se->instance_id); | |
1756 | qemu_put_be32(f, se->version_id); | |
1757 | ||
1758 | /* record size: filled later */ | |
1759 | len_pos = ftell(f); | |
1760 | qemu_put_be32(f, 0); | |
1761 | ||
1762 | se->save_state(f, se->opaque); | |
1763 | ||
1764 | /* fill record size */ | |
1765 | cur_pos = ftell(f); | |
1766 | len = ftell(f) - len_pos - 4; | |
1767 | fseek(f, len_pos, SEEK_SET); | |
1768 | qemu_put_be32(f, len); | |
1769 | fseek(f, cur_pos, SEEK_SET); | |
1770 | } | |
1771 | ||
1772 | fclose(f); | |
1773 | ret = 0; | |
1774 | the_end: | |
1775 | if (saved_vm_running) | |
1776 | vm_start(); | |
1777 | return ret; | |
1778 | } | |
1779 | ||
1780 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1781 | { | |
1782 | SaveStateEntry *se; | |
1783 | ||
1784 | for(se = first_se; se != NULL; se = se->next) { | |
1785 | if (!strcmp(se->idstr, idstr) && | |
1786 | instance_id == se->instance_id) | |
1787 | return se; | |
1788 | } | |
1789 | return NULL; | |
1790 | } | |
1791 | ||
1792 | int qemu_loadvm(const char *filename) | |
1793 | { | |
1794 | SaveStateEntry *se; | |
1795 | QEMUFile *f; | |
1796 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1797 | int saved_vm_running; | |
1798 | unsigned int v; | |
1799 | char idstr[256]; | |
1800 | ||
1801 | saved_vm_running = vm_running; | |
1802 | vm_stop(0); | |
1803 | ||
1804 | f = fopen(filename, "rb"); | |
1805 | if (!f) { | |
1806 | ret = -1; | |
1807 | goto the_end; | |
1808 | } | |
1809 | ||
1810 | v = qemu_get_be32(f); | |
1811 | if (v != QEMU_VM_FILE_MAGIC) | |
1812 | goto fail; | |
1813 | v = qemu_get_be32(f); | |
1814 | if (v != QEMU_VM_FILE_VERSION) { | |
1815 | fail: | |
1816 | fclose(f); | |
1817 | ret = -1; | |
1818 | goto the_end; | |
1819 | } | |
b4608c04 | 1820 | for(;;) { |
a541f297 | 1821 | #if defined (DO_TB_FLUSH) |
d927637d | 1822 | tb_flush(global_env); |
a541f297 | 1823 | #endif |
8a7ddc38 FB |
1824 | len = qemu_get_byte(f); |
1825 | if (feof(f)) | |
cd4c3e88 | 1826 | break; |
8a7ddc38 FB |
1827 | qemu_get_buffer(f, idstr, len); |
1828 | idstr[len] = '\0'; | |
1829 | instance_id = qemu_get_be32(f); | |
1830 | version_id = qemu_get_be32(f); | |
1831 | record_len = qemu_get_be32(f); | |
1832 | #if 0 | |
1833 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1834 | idstr, instance_id, version_id, record_len); | |
1835 | #endif | |
1836 | cur_pos = ftell(f); | |
1837 | se = find_se(idstr, instance_id); | |
1838 | if (!se) { | |
1839 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1840 | instance_id, idstr); | |
1841 | } else { | |
1842 | ret = se->load_state(f, se->opaque, version_id); | |
1843 | if (ret < 0) { | |
1844 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1845 | instance_id, idstr); | |
1846 | } | |
34865134 | 1847 | } |
8a7ddc38 FB |
1848 | /* always seek to exact end of record */ |
1849 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1850 | } | |
1851 | fclose(f); | |
1852 | ret = 0; | |
1853 | the_end: | |
1854 | if (saved_vm_running) | |
1855 | vm_start(); | |
1856 | return ret; | |
1857 | } | |
1858 | ||
1859 | /***********************************************************/ | |
1860 | /* cpu save/restore */ | |
1861 | ||
1862 | #if defined(TARGET_I386) | |
1863 | ||
1864 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1865 | { | |
02ba45c5 | 1866 | qemu_put_be32(f, dt->selector); |
8a7ddc38 FB |
1867 | qemu_put_be32(f, (uint32_t)dt->base); |
1868 | qemu_put_be32(f, dt->limit); | |
1869 | qemu_put_be32(f, dt->flags); | |
1870 | } | |
1871 | ||
1872 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1873 | { | |
02ba45c5 | 1874 | dt->selector = qemu_get_be32(f); |
8a7ddc38 FB |
1875 | dt->base = (uint8_t *)qemu_get_be32(f); |
1876 | dt->limit = qemu_get_be32(f); | |
1877 | dt->flags = qemu_get_be32(f); | |
1878 | } | |
1879 | ||
1880 | void cpu_save(QEMUFile *f, void *opaque) | |
1881 | { | |
1882 | CPUState *env = opaque; | |
1883 | uint16_t fptag, fpus, fpuc; | |
1884 | uint32_t hflags; | |
1885 | int i; | |
1886 | ||
1887 | for(i = 0; i < 8; i++) | |
1888 | qemu_put_be32s(f, &env->regs[i]); | |
1889 | qemu_put_be32s(f, &env->eip); | |
1890 | qemu_put_be32s(f, &env->eflags); | |
1891 | qemu_put_be32s(f, &env->eflags); | |
1892 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1893 | qemu_put_be32s(f, &hflags); | |
1894 | ||
1895 | /* FPU */ | |
1896 | fpuc = env->fpuc; | |
1897 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1898 | fptag = 0; | |
1899 | for (i=7; i>=0; i--) { | |
1900 | fptag <<= 2; | |
1901 | if (env->fptags[i]) { | |
1902 | fptag |= 3; | |
1903 | } | |
1904 | } | |
1905 | ||
1906 | qemu_put_be16s(f, &fpuc); | |
1907 | qemu_put_be16s(f, &fpus); | |
1908 | qemu_put_be16s(f, &fptag); | |
1909 | ||
1910 | for(i = 0; i < 8; i++) { | |
1911 | uint64_t mant; | |
1912 | uint16_t exp; | |
1913 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1914 | qemu_put_be64(f, mant); | |
1915 | qemu_put_be16(f, exp); | |
1916 | } | |
1917 | ||
1918 | for(i = 0; i < 6; i++) | |
1919 | cpu_put_seg(f, &env->segs[i]); | |
1920 | cpu_put_seg(f, &env->ldt); | |
1921 | cpu_put_seg(f, &env->tr); | |
1922 | cpu_put_seg(f, &env->gdt); | |
1923 | cpu_put_seg(f, &env->idt); | |
1924 | ||
1925 | qemu_put_be32s(f, &env->sysenter_cs); | |
1926 | qemu_put_be32s(f, &env->sysenter_esp); | |
1927 | qemu_put_be32s(f, &env->sysenter_eip); | |
1928 | ||
1929 | qemu_put_be32s(f, &env->cr[0]); | |
1930 | qemu_put_be32s(f, &env->cr[2]); | |
1931 | qemu_put_be32s(f, &env->cr[3]); | |
1932 | qemu_put_be32s(f, &env->cr[4]); | |
1933 | ||
1934 | for(i = 0; i < 8; i++) | |
1935 | qemu_put_be32s(f, &env->dr[i]); | |
1936 | ||
1937 | /* MMU */ | |
1938 | qemu_put_be32s(f, &env->a20_mask); | |
1939 | } | |
1940 | ||
1941 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1942 | { | |
1943 | CPUState *env = opaque; | |
1944 | int i; | |
1945 | uint32_t hflags; | |
1946 | uint16_t fpus, fpuc, fptag; | |
1947 | ||
02ba45c5 | 1948 | if (version_id != 2) |
8a7ddc38 FB |
1949 | return -EINVAL; |
1950 | for(i = 0; i < 8; i++) | |
1951 | qemu_get_be32s(f, &env->regs[i]); | |
1952 | qemu_get_be32s(f, &env->eip); | |
1953 | qemu_get_be32s(f, &env->eflags); | |
1954 | qemu_get_be32s(f, &env->eflags); | |
1955 | qemu_get_be32s(f, &hflags); | |
1956 | ||
1957 | qemu_get_be16s(f, &fpuc); | |
1958 | qemu_get_be16s(f, &fpus); | |
1959 | qemu_get_be16s(f, &fptag); | |
1960 | ||
1961 | for(i = 0; i < 8; i++) { | |
1962 | uint64_t mant; | |
1963 | uint16_t exp; | |
1964 | mant = qemu_get_be64(f); | |
1965 | exp = qemu_get_be16(f); | |
1966 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1967 | } | |
1968 | ||
1969 | env->fpuc = fpuc; | |
1970 | env->fpstt = (fpus >> 11) & 7; | |
1971 | env->fpus = fpus & ~0x3800; | |
1972 | for(i = 0; i < 8; i++) { | |
1973 | env->fptags[i] = ((fptag & 3) == 3); | |
1974 | fptag >>= 2; | |
1975 | } | |
1976 | ||
1977 | for(i = 0; i < 6; i++) | |
1978 | cpu_get_seg(f, &env->segs[i]); | |
1979 | cpu_get_seg(f, &env->ldt); | |
1980 | cpu_get_seg(f, &env->tr); | |
1981 | cpu_get_seg(f, &env->gdt); | |
1982 | cpu_get_seg(f, &env->idt); | |
1983 | ||
1984 | qemu_get_be32s(f, &env->sysenter_cs); | |
1985 | qemu_get_be32s(f, &env->sysenter_esp); | |
1986 | qemu_get_be32s(f, &env->sysenter_eip); | |
1987 | ||
1988 | qemu_get_be32s(f, &env->cr[0]); | |
1989 | qemu_get_be32s(f, &env->cr[2]); | |
1990 | qemu_get_be32s(f, &env->cr[3]); | |
1991 | qemu_get_be32s(f, &env->cr[4]); | |
1992 | ||
1993 | for(i = 0; i < 8; i++) | |
1994 | qemu_get_be32s(f, &env->dr[i]); | |
1995 | ||
1996 | /* MMU */ | |
1997 | qemu_get_be32s(f, &env->a20_mask); | |
1998 | ||
1999 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
2000 | env->hflags = hflags; | |
2001 | tlb_flush(env, 1); | |
2002 | return 0; | |
2003 | } | |
2004 | ||
a541f297 FB |
2005 | #elif defined(TARGET_PPC) |
2006 | void cpu_save(QEMUFile *f, void *opaque) | |
2007 | { | |
2008 | } | |
2009 | ||
2010 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
2011 | { | |
2012 | return 0; | |
2013 | } | |
8a7ddc38 FB |
2014 | #else |
2015 | ||
2016 | #warning No CPU save/restore functions | |
2017 | ||
2018 | #endif | |
2019 | ||
2020 | /***********************************************************/ | |
2021 | /* ram save/restore */ | |
2022 | ||
2023 | /* we just avoid storing empty pages */ | |
2024 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
2025 | { | |
2026 | int i, v; | |
2027 | ||
2028 | v = buf[0]; | |
2029 | for(i = 1; i < len; i++) { | |
2030 | if (buf[i] != v) | |
2031 | goto normal_save; | |
2032 | } | |
2033 | qemu_put_byte(f, 1); | |
2034 | qemu_put_byte(f, v); | |
2035 | return; | |
2036 | normal_save: | |
2037 | qemu_put_byte(f, 0); | |
2038 | qemu_put_buffer(f, buf, len); | |
2039 | } | |
2040 | ||
2041 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
2042 | { | |
2043 | int v; | |
2044 | ||
2045 | v = qemu_get_byte(f); | |
2046 | switch(v) { | |
2047 | case 0: | |
2048 | if (qemu_get_buffer(f, buf, len) != len) | |
2049 | return -EIO; | |
2050 | break; | |
2051 | case 1: | |
2052 | v = qemu_get_byte(f); | |
2053 | memset(buf, v, len); | |
2054 | break; | |
2055 | default: | |
2056 | return -EINVAL; | |
2057 | } | |
2058 | return 0; | |
2059 | } | |
2060 | ||
2061 | static void ram_save(QEMUFile *f, void *opaque) | |
2062 | { | |
2063 | int i; | |
2064 | qemu_put_be32(f, phys_ram_size); | |
2065 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2066 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2067 | } | |
2068 | } | |
2069 | ||
2070 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
2071 | { | |
2072 | int i, ret; | |
2073 | ||
2074 | if (version_id != 1) | |
2075 | return -EINVAL; | |
2076 | if (qemu_get_be32(f) != phys_ram_size) | |
2077 | return -EINVAL; | |
2078 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2079 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2080 | if (ret) | |
2081 | return ret; | |
2082 | } | |
2083 | return 0; | |
2084 | } | |
2085 | ||
2086 | /***********************************************************/ | |
2087 | /* main execution loop */ | |
2088 | ||
2089 | void gui_update(void *opaque) | |
2090 | { | |
2091 | display_state.dpy_refresh(&display_state); | |
2092 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
2093 | } | |
2094 | ||
2095 | /* XXX: support several handlers */ | |
2096 | VMStopHandler *vm_stop_cb; | |
2097 | VMStopHandler *vm_stop_opaque; | |
2098 | ||
2099 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
2100 | { | |
2101 | vm_stop_cb = cb; | |
2102 | vm_stop_opaque = opaque; | |
2103 | return 0; | |
2104 | } | |
2105 | ||
2106 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
2107 | { | |
2108 | vm_stop_cb = NULL; | |
2109 | } | |
2110 | ||
2111 | void vm_start(void) | |
2112 | { | |
2113 | if (!vm_running) { | |
2114 | cpu_enable_ticks(); | |
2115 | vm_running = 1; | |
2116 | } | |
2117 | } | |
2118 | ||
2119 | void vm_stop(int reason) | |
2120 | { | |
2121 | if (vm_running) { | |
2122 | cpu_disable_ticks(); | |
2123 | vm_running = 0; | |
2124 | if (reason != 0) { | |
2125 | if (vm_stop_cb) { | |
2126 | vm_stop_cb(vm_stop_opaque, reason); | |
2127 | } | |
34865134 | 2128 | } |
8a7ddc38 FB |
2129 | } |
2130 | } | |
2131 | ||
bb0c6722 FB |
2132 | /* reset/shutdown handler */ |
2133 | ||
2134 | typedef struct QEMUResetEntry { | |
2135 | QEMUResetHandler *func; | |
2136 | void *opaque; | |
2137 | struct QEMUResetEntry *next; | |
2138 | } QEMUResetEntry; | |
2139 | ||
2140 | static QEMUResetEntry *first_reset_entry; | |
2141 | static int reset_requested; | |
2142 | static int shutdown_requested; | |
2143 | ||
2144 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
2145 | { | |
2146 | QEMUResetEntry **pre, *re; | |
2147 | ||
2148 | pre = &first_reset_entry; | |
2149 | while (*pre != NULL) | |
2150 | pre = &(*pre)->next; | |
2151 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
2152 | re->func = func; | |
2153 | re->opaque = opaque; | |
2154 | re->next = NULL; | |
2155 | *pre = re; | |
2156 | } | |
2157 | ||
2158 | void qemu_system_reset(void) | |
2159 | { | |
2160 | QEMUResetEntry *re; | |
2161 | ||
2162 | /* reset all devices */ | |
2163 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
2164 | re->func(re->opaque); | |
2165 | } | |
2166 | } | |
2167 | ||
2168 | void qemu_system_reset_request(void) | |
2169 | { | |
2170 | reset_requested = 1; | |
2171 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
2172 | } | |
2173 | ||
2174 | void qemu_system_shutdown_request(void) | |
2175 | { | |
2176 | shutdown_requested = 1; | |
2177 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
2178 | } | |
2179 | ||
2180 | static void main_cpu_reset(void *opaque) | |
2181 | { | |
2182 | #ifdef TARGET_I386 | |
2183 | CPUState *env = opaque; | |
2184 | cpu_reset(env); | |
2185 | #endif | |
2186 | } | |
2187 | ||
5905b2e5 | 2188 | void main_loop_wait(int timeout) |
8a7ddc38 | 2189 | { |
67b915a5 | 2190 | #ifndef _WIN32 |
8a7ddc38 | 2191 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 2192 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
2193 | uint8_t buf[4096]; |
2194 | int n, max_size; | |
2195 | #endif | |
5905b2e5 | 2196 | int ret; |
c4b1fcc0 | 2197 | |
38e205a2 FB |
2198 | #ifdef _WIN32 |
2199 | if (timeout > 0) | |
2200 | Sleep(timeout); | |
2201 | #else | |
b4608c04 | 2202 | /* poll any events */ |
8a7ddc38 | 2203 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 2204 | pf = ufds; |
8a7ddc38 FB |
2205 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
2206 | if (!ioh->fd_can_read) { | |
2207 | max_size = 0; | |
c4b1fcc0 FB |
2208 | pf->fd = ioh->fd; |
2209 | pf->events = POLLIN; | |
2210 | ioh->ufd = pf; | |
2211 | pf++; | |
2212 | } else { | |
8a7ddc38 FB |
2213 | max_size = ioh->fd_can_read(ioh->opaque); |
2214 | if (max_size > 0) { | |
2215 | if (max_size > sizeof(buf)) | |
2216 | max_size = sizeof(buf); | |
2217 | pf->fd = ioh->fd; | |
2218 | pf->events = POLLIN; | |
2219 | ioh->ufd = pf; | |
2220 | pf++; | |
2221 | } else { | |
2222 | ioh->ufd = NULL; | |
2223 | } | |
c4b1fcc0 FB |
2224 | } |
2225 | ioh->max_size = max_size; | |
b4608c04 | 2226 | } |
73332e5c | 2227 | |
b4608c04 FB |
2228 | ret = poll(ufds, pf - ufds, timeout); |
2229 | if (ret > 0) { | |
8a7ddc38 FB |
2230 | /* XXX: better handling of removal */ |
2231 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
2232 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
2233 | pf = ioh->ufd; |
2234 | if (pf) { | |
8a7ddc38 FB |
2235 | if (pf->revents & POLLIN) { |
2236 | if (ioh->max_size == 0) { | |
2237 | /* just a read event */ | |
2238 | ioh->fd_read(ioh->opaque, NULL, 0); | |
2239 | } else { | |
2240 | n = read(ioh->fd, buf, ioh->max_size); | |
2241 | if (n >= 0) { | |
2242 | ioh->fd_read(ioh->opaque, buf, n); | |
158156d1 | 2243 | } else if (errno != EAGAIN) { |
8a7ddc38 FB |
2244 | ioh->fd_read(ioh->opaque, NULL, -errno); |
2245 | } | |
2246 | } | |
b4608c04 | 2247 | } |
b4608c04 | 2248 | } |
b4608c04 FB |
2249 | } |
2250 | } | |
5905b2e5 | 2251 | #endif /* !defined(_WIN32) */ |
c20709aa FB |
2252 | #if defined(CONFIG_SLIRP) |
2253 | /* XXX: merge with poll() */ | |
2254 | if (slirp_inited) { | |
2255 | fd_set rfds, wfds, xfds; | |
2256 | int nfds; | |
2257 | struct timeval tv; | |
2258 | ||
2259 | nfds = -1; | |
2260 | FD_ZERO(&rfds); | |
2261 | FD_ZERO(&wfds); | |
2262 | FD_ZERO(&xfds); | |
2263 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
2264 | tv.tv_sec = 0; | |
2265 | tv.tv_usec = 0; | |
2266 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
2267 | if (ret >= 0) { | |
2268 | slirp_select_poll(&rfds, &wfds, &xfds); | |
2269 | } | |
2270 | } | |
67b915a5 | 2271 | #endif |
b4608c04 | 2272 | |
8a7ddc38 FB |
2273 | if (vm_running) { |
2274 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
2275 | qemu_get_clock(vm_clock)); | |
2276 | ||
aaaa7df6 FB |
2277 | if (audio_enabled) { |
2278 | /* XXX: add explicit timer */ | |
2279 | SB16_run(); | |
2280 | } | |
8a7ddc38 FB |
2281 | |
2282 | /* run dma transfers, if any */ | |
2283 | DMA_run(); | |
b4608c04 | 2284 | } |
313aa567 | 2285 | |
8a7ddc38 FB |
2286 | /* real time timers */ |
2287 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
2288 | qemu_get_clock(rt_clock)); | |
5905b2e5 FB |
2289 | } |
2290 | ||
2291 | int main_loop(void) | |
2292 | { | |
2293 | int ret, timeout; | |
2294 | CPUState *env = global_env; | |
2295 | ||
2296 | for(;;) { | |
2297 | if (vm_running) { | |
2298 | ret = cpu_exec(env); | |
2299 | if (shutdown_requested) { | |
2300 | ret = EXCP_INTERRUPT; | |
2301 | break; | |
2302 | } | |
2303 | if (reset_requested) { | |
2304 | reset_requested = 0; | |
2305 | qemu_system_reset(); | |
2306 | ret = EXCP_INTERRUPT; | |
2307 | } | |
2308 | if (ret == EXCP_DEBUG) { | |
2309 | vm_stop(EXCP_DEBUG); | |
2310 | } | |
2311 | /* if hlt instruction, we wait until the next IRQ */ | |
2312 | /* XXX: use timeout computed from timers */ | |
2313 | if (ret == EXCP_HLT) | |
2314 | timeout = 10; | |
2315 | else | |
2316 | timeout = 0; | |
2317 | } else { | |
2318 | timeout = 10; | |
2319 | } | |
2320 | main_loop_wait(timeout); | |
b4608c04 | 2321 | } |
34865134 FB |
2322 | cpu_disable_ticks(); |
2323 | return ret; | |
b4608c04 FB |
2324 | } |
2325 | ||
0824d6fc FB |
2326 | void help(void) |
2327 | { | |
aaaa7df6 | 2328 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 2329 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 2330 | "\n" |
a20dd508 | 2331 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 2332 | "\n" |
a20dd508 | 2333 | "Standard options:\n" |
c45886db | 2334 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
2335 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
2336 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 2337 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 2338 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 | 2339 | "-snapshot write to temporary files instead of disk image files\n" |
a00bad7e | 2340 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
c4b1fcc0 | 2341 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 2342 | "-enable-audio enable audio support\n" |
89980284 | 2343 | "-localtime set the real time clock to local time [default=utc]\n" |
bb0c6722 FB |
2344 | #ifdef TARGET_PPC |
2345 | "-prep Simulate a PREP system (default is PowerMAC)\n" | |
e9b137c2 | 2346 | "-g WxH[xDEPTH] Set the initial VGA graphic mode\n" |
bb0c6722 | 2347 | #endif |
c4b1fcc0 FB |
2348 | "\n" |
2349 | "Network options:\n" | |
c20709aa | 2350 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 2351 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
2352 | "-n script set tap/tun network init script [default=%s]\n" |
2353 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
2354 | #ifdef CONFIG_SLIRP | |
2355 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
2356 | #endif | |
2357 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 2358 | "\n" |
c4b1fcc0 | 2359 | "Linux boot specific:\n" |
a20dd508 FB |
2360 | "-kernel bzImage use 'bzImage' as kernel image\n" |
2361 | "-append cmdline use 'cmdline' as kernel command line\n" | |
2362 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 2363 | "\n" |
330d0414 | 2364 | "Debug/Expert options:\n" |
82c643ff FB |
2365 | "-monitor dev redirect the monitor to char device 'dev'\n" |
2366 | "-serial dev redirect the serial port to char device 'dev'\n" | |
cd6f1169 | 2367 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
a20dd508 FB |
2368 | "-s wait gdb connection to port %d\n" |
2369 | "-p port change gdb connection port\n" | |
f193c797 | 2370 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
2371 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
2372 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
2373 | #ifdef USE_CODE_COPY |
2374 | "-no-code-copy disable code copy acceleration\n" | |
2375 | #endif | |
bb0c6722 FB |
2376 | #ifdef TARGET_I386 |
2377 | "-isa simulate an ISA-only system (default is PCI system)\n" | |
1bfe856e FB |
2378 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" |
2379 | " (default is CL-GD5446 PCI VGA)\n" | |
bb0c6722 | 2380 | #endif |
0824d6fc | 2381 | "\n" |
82c643ff FB |
2382 | "During emulation, the following keys are useful:\n" |
2383 | "ctrl-shift-f toggle full screen\n" | |
2384 | "ctrl-shift-Fn switch to virtual console 'n'\n" | |
2385 | "ctrl-shift toggle mouse and keyboard grab\n" | |
2386 | "\n" | |
2387 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
2388 | , | |
0db63474 FB |
2389 | #ifdef CONFIG_SOFTMMU |
2390 | "qemu", | |
2391 | #else | |
2392 | "qemu-fast", | |
2393 | #endif | |
a00bad7e FB |
2394 | DEFAULT_RAM_SIZE, |
2395 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
2396 | DEFAULT_GDBSTUB_PORT, |
2397 | "/tmp/qemu.log"); | |
0db63474 FB |
2398 | #ifndef CONFIG_SOFTMMU |
2399 | printf("\n" | |
2400 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
2401 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
2402 | "PC emulation.\n"); | |
2403 | #endif | |
0824d6fc FB |
2404 | exit(1); |
2405 | } | |
2406 | ||
cd6f1169 FB |
2407 | #define HAS_ARG 0x0001 |
2408 | ||
2409 | enum { | |
2410 | QEMU_OPTION_h, | |
2411 | ||
2412 | QEMU_OPTION_fda, | |
2413 | QEMU_OPTION_fdb, | |
2414 | QEMU_OPTION_hda, | |
2415 | QEMU_OPTION_hdb, | |
2416 | QEMU_OPTION_hdc, | |
2417 | QEMU_OPTION_hdd, | |
2418 | QEMU_OPTION_cdrom, | |
2419 | QEMU_OPTION_boot, | |
2420 | QEMU_OPTION_snapshot, | |
2421 | QEMU_OPTION_m, | |
2422 | QEMU_OPTION_nographic, | |
2423 | QEMU_OPTION_enable_audio, | |
2424 | ||
2425 | QEMU_OPTION_nics, | |
2426 | QEMU_OPTION_macaddr, | |
2427 | QEMU_OPTION_n, | |
2428 | QEMU_OPTION_tun_fd, | |
2429 | QEMU_OPTION_user_net, | |
2430 | QEMU_OPTION_dummy_net, | |
2431 | ||
2432 | QEMU_OPTION_kernel, | |
2433 | QEMU_OPTION_append, | |
2434 | QEMU_OPTION_initrd, | |
2435 | ||
2436 | QEMU_OPTION_S, | |
2437 | QEMU_OPTION_s, | |
2438 | QEMU_OPTION_p, | |
2439 | QEMU_OPTION_d, | |
2440 | QEMU_OPTION_hdachs, | |
2441 | QEMU_OPTION_L, | |
2442 | QEMU_OPTION_no_code_copy, | |
69b91039 | 2443 | QEMU_OPTION_pci, |
bb0c6722 | 2444 | QEMU_OPTION_isa, |
77d4bc34 | 2445 | QEMU_OPTION_prep, |
ee22c2f7 | 2446 | QEMU_OPTION_localtime, |
1f04275e | 2447 | QEMU_OPTION_cirrusvga, |
e9b137c2 | 2448 | QEMU_OPTION_g, |
1bfe856e | 2449 | QEMU_OPTION_std_vga, |
82c643ff FB |
2450 | QEMU_OPTION_monitor, |
2451 | QEMU_OPTION_serial, | |
cd6f1169 FB |
2452 | }; |
2453 | ||
2454 | typedef struct QEMUOption { | |
2455 | const char *name; | |
2456 | int flags; | |
2457 | int index; | |
2458 | } QEMUOption; | |
2459 | ||
2460 | const QEMUOption qemu_options[] = { | |
2461 | { "h", 0, QEMU_OPTION_h }, | |
2462 | ||
2463 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
2464 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
2465 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
2466 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
2467 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
2468 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
2469 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
2470 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
2471 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
2472 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
2473 | { "nographic", 0, QEMU_OPTION_nographic }, | |
2474 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, | |
2475 | ||
2476 | { "nics", HAS_ARG, QEMU_OPTION_nics}, | |
2477 | { "macaddr", HAS_ARG, QEMU_OPTION_macaddr}, | |
69b91039 | 2478 | { "n", HAS_ARG, QEMU_OPTION_n }, |
cd6f1169 | 2479 | { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd }, |
158156d1 | 2480 | #ifdef CONFIG_SLIRP |
cd6f1169 | 2481 | { "user-net", 0, QEMU_OPTION_user_net }, |
158156d1 | 2482 | #endif |
cd6f1169 FB |
2483 | { "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2484 | ||
2485 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
2486 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
2487 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
2488 | ||
2489 | { "S", 0, QEMU_OPTION_S }, | |
2490 | { "s", 0, QEMU_OPTION_s }, | |
2491 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
2492 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
2493 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
2494 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
2495 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
77d4bc34 FB |
2496 | #ifdef TARGET_PPC |
2497 | { "prep", 0, QEMU_OPTION_prep }, | |
e9b137c2 | 2498 | { "g", 1, QEMU_OPTION_g }, |
77d4bc34 | 2499 | #endif |
ee22c2f7 | 2500 | { "localtime", 0, QEMU_OPTION_localtime }, |
bb0c6722 | 2501 | { "isa", 0, QEMU_OPTION_isa }, |
1bfe856e | 2502 | { "std-vga", 0, QEMU_OPTION_std_vga }, |
82c643ff FB |
2503 | { "monitor", 1, QEMU_OPTION_monitor }, |
2504 | { "serial", 1, QEMU_OPTION_serial }, | |
2505 | ||
1f04275e FB |
2506 | /* temporary options */ |
2507 | { "pci", 0, QEMU_OPTION_pci }, | |
2508 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
cd6f1169 | 2509 | { NULL }, |
fc01f7e7 FB |
2510 | }; |
2511 | ||
77fef8c1 FB |
2512 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2513 | ||
2514 | /* this stack is only used during signal handling */ | |
2515 | #define SIGNAL_STACK_SIZE 32768 | |
2516 | ||
2517 | static uint8_t *signal_stack; | |
2518 | ||
2519 | #endif | |
2520 | ||
5905b2e5 FB |
2521 | /* password input */ |
2522 | ||
2523 | static BlockDriverState *get_bdrv(int index) | |
2524 | { | |
2525 | BlockDriverState *bs; | |
2526 | ||
2527 | if (index < 4) { | |
2528 | bs = bs_table[index]; | |
2529 | } else if (index < 6) { | |
2530 | bs = fd_table[index - 4]; | |
2531 | } else { | |
2532 | bs = NULL; | |
2533 | } | |
2534 | return bs; | |
2535 | } | |
2536 | ||
2537 | static void read_passwords(void) | |
2538 | { | |
2539 | BlockDriverState *bs; | |
2540 | int i, j; | |
2541 | char password[256]; | |
2542 | ||
2543 | for(i = 0; i < 6; i++) { | |
2544 | bs = get_bdrv(i); | |
2545 | if (bs && bdrv_is_encrypted(bs)) { | |
2546 | term_printf("%s is encrypted.\n", bdrv_get_device_name(bs)); | |
2547 | for(j = 0; j < 3; j++) { | |
2548 | monitor_readline("Password: ", | |
2549 | 1, password, sizeof(password)); | |
2550 | if (bdrv_set_key(bs, password) == 0) | |
2551 | break; | |
2552 | term_printf("invalid password\n"); | |
2553 | } | |
2554 | } | |
2555 | } | |
2556 | } | |
2557 | ||
c20709aa FB |
2558 | #define NET_IF_TUN 0 |
2559 | #define NET_IF_USER 1 | |
2560 | #define NET_IF_DUMMY 2 | |
2561 | ||
0824d6fc FB |
2562 | int main(int argc, char **argv) |
2563 | { | |
67b915a5 FB |
2564 | #ifdef CONFIG_GDBSTUB |
2565 | int use_gdbstub, gdbstub_port; | |
2566 | #endif | |
cd6f1169 | 2567 | int i, has_cdrom; |
1ccde1cb | 2568 | int snapshot, linux_boot; |
c45886db | 2569 | CPUState *env; |
7f7f9873 | 2570 | const char *initrd_filename; |
c45886db | 2571 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 2572 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 2573 | DisplayState *ds = &display_state; |
c4b1fcc0 | 2574 | int cyls, heads, secs; |
a541f297 | 2575 | int start_emulation = 1; |
702c651c | 2576 | uint8_t macaddr[6]; |
c20709aa | 2577 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
cd6f1169 FB |
2578 | int optind; |
2579 | const char *r, *optarg; | |
82c643ff FB |
2580 | CharDriverState *monitor_hd; |
2581 | char monitor_device[128]; | |
2582 | char serial_device[128]; | |
cd6f1169 | 2583 | |
67b915a5 | 2584 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
2585 | /* we never want that malloc() uses mmap() */ |
2586 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 2587 | #endif |
fc01f7e7 | 2588 | initrd_filename = NULL; |
c45886db FB |
2589 | for(i = 0; i < MAX_FD; i++) |
2590 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
2591 | for(i = 0; i < MAX_DISKS; i++) |
2592 | hd_filename[i] = NULL; | |
a00bad7e | 2593 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
313aa567 | 2594 | vga_ram_size = VGA_RAM_SIZE; |
0ced6589 | 2595 | bios_size = BIOS_SIZE; |
f1510b2c | 2596 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 2597 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2598 | use_gdbstub = 0; |
2599 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 2600 | #endif |
33e3963e | 2601 | snapshot = 0; |
a20dd508 FB |
2602 | nographic = 0; |
2603 | kernel_filename = NULL; | |
2604 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
2605 | has_cdrom = 1; |
2606 | cyls = heads = secs = 0; | |
82c643ff FB |
2607 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
2608 | pstrcpy(serial_device, sizeof(serial_device), "vc"); | |
c4b1fcc0 | 2609 | |
c20709aa FB |
2610 | nb_tun_fds = 0; |
2611 | net_if_type = -1; | |
c4b1fcc0 | 2612 | nb_nics = 1; |
702c651c FB |
2613 | /* default mac address of the first network interface */ |
2614 | macaddr[0] = 0x52; | |
2615 | macaddr[1] = 0x54; | |
2616 | macaddr[2] = 0x00; | |
2617 | macaddr[3] = 0x12; | |
2618 | macaddr[4] = 0x34; | |
2619 | macaddr[5] = 0x56; | |
82c643ff | 2620 | |
cd6f1169 | 2621 | optind = 1; |
0824d6fc | 2622 | for(;;) { |
cd6f1169 | 2623 | if (optind >= argc) |
0824d6fc | 2624 | break; |
cd6f1169 FB |
2625 | r = argv[optind]; |
2626 | if (r[0] != '-') { | |
2627 | hd_filename[0] = argv[optind++]; | |
2628 | } else { | |
2629 | const QEMUOption *popt; | |
2630 | ||
2631 | optind++; | |
2632 | popt = qemu_options; | |
2633 | for(;;) { | |
2634 | if (!popt->name) { | |
2635 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
2636 | argv[0], r); | |
2637 | exit(1); | |
2638 | } | |
2639 | if (!strcmp(popt->name, r + 1)) | |
2640 | break; | |
2641 | popt++; | |
2642 | } | |
2643 | if (popt->flags & HAS_ARG) { | |
2644 | if (optind >= argc) { | |
2645 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
2646 | argv[0], r); | |
2647 | exit(1); | |
2648 | } | |
2649 | optarg = argv[optind++]; | |
2650 | } else { | |
2651 | optarg = NULL; | |
2652 | } | |
2653 | ||
2654 | switch(popt->index) { | |
2655 | case QEMU_OPTION_initrd: | |
fc01f7e7 FB |
2656 | initrd_filename = optarg; |
2657 | break; | |
cd6f1169 | 2658 | case QEMU_OPTION_hda: |
fc01f7e7 FB |
2659 | hd_filename[0] = optarg; |
2660 | break; | |
cd6f1169 | 2661 | case QEMU_OPTION_hdb: |
fc01f7e7 FB |
2662 | hd_filename[1] = optarg; |
2663 | break; | |
cd6f1169 | 2664 | case QEMU_OPTION_snapshot: |
33e3963e FB |
2665 | snapshot = 1; |
2666 | break; | |
cd6f1169 | 2667 | case QEMU_OPTION_hdachs: |
330d0414 | 2668 | { |
330d0414 FB |
2669 | const char *p; |
2670 | p = optarg; | |
2671 | cyls = strtol(p, (char **)&p, 0); | |
2672 | if (*p != ',') | |
2673 | goto chs_fail; | |
2674 | p++; | |
2675 | heads = strtol(p, (char **)&p, 0); | |
2676 | if (*p != ',') | |
2677 | goto chs_fail; | |
2678 | p++; | |
2679 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
2680 | if (*p != '\0') { |
2681 | chs_fail: | |
2682 | cyls = 0; | |
2683 | } | |
330d0414 FB |
2684 | } |
2685 | break; | |
cd6f1169 | 2686 | case QEMU_OPTION_nographic: |
82c643ff FB |
2687 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
2688 | pstrcpy(serial_device, sizeof(serial_device), "stdio"); | |
a20dd508 FB |
2689 | nographic = 1; |
2690 | break; | |
cd6f1169 | 2691 | case QEMU_OPTION_kernel: |
a20dd508 FB |
2692 | kernel_filename = optarg; |
2693 | break; | |
cd6f1169 | 2694 | case QEMU_OPTION_append: |
a20dd508 | 2695 | kernel_cmdline = optarg; |
313aa567 | 2696 | break; |
cd6f1169 | 2697 | case QEMU_OPTION_tun_fd: |
c4b1fcc0 FB |
2698 | { |
2699 | const char *p; | |
2700 | int fd; | |
d6b86f4d | 2701 | net_if_type = NET_IF_TUN; |
c20709aa FB |
2702 | if (nb_tun_fds < MAX_NICS) { |
2703 | fd = strtol(optarg, (char **)&p, 0); | |
2704 | if (*p != '\0') { | |
2705 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
2706 | exit(1); |
2707 | } | |
c20709aa | 2708 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
2709 | } |
2710 | } | |
42f1e0e4 | 2711 | break; |
cd6f1169 | 2712 | case QEMU_OPTION_hdc: |
36b486bb | 2713 | hd_filename[2] = optarg; |
c4b1fcc0 | 2714 | has_cdrom = 0; |
36b486bb | 2715 | break; |
cd6f1169 | 2716 | case QEMU_OPTION_hdd: |
36b486bb FB |
2717 | hd_filename[3] = optarg; |
2718 | break; | |
cd6f1169 | 2719 | case QEMU_OPTION_cdrom: |
36b486bb | 2720 | hd_filename[2] = optarg; |
c4b1fcc0 | 2721 | has_cdrom = 1; |
36b486bb | 2722 | break; |
cd6f1169 | 2723 | case QEMU_OPTION_boot: |
36b486bb | 2724 | boot_device = optarg[0]; |
c45886db FB |
2725 | if (boot_device != 'a' && boot_device != 'b' && |
2726 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
2727 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
2728 | exit(1); | |
2729 | } | |
2730 | break; | |
cd6f1169 | 2731 | case QEMU_OPTION_fda: |
c45886db FB |
2732 | fd_filename[0] = optarg; |
2733 | break; | |
cd6f1169 | 2734 | case QEMU_OPTION_fdb: |
c45886db FB |
2735 | fd_filename[1] = optarg; |
2736 | break; | |
cd6f1169 | 2737 | case QEMU_OPTION_no_code_copy: |
77fef8c1 FB |
2738 | code_copy_enabled = 0; |
2739 | break; | |
cd6f1169 | 2740 | case QEMU_OPTION_nics: |
c4b1fcc0 | 2741 | nb_nics = atoi(optarg); |
3a1bc175 | 2742 | if (nb_nics < 0 || nb_nics > MAX_NICS) { |
c4b1fcc0 FB |
2743 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); |
2744 | exit(1); | |
2745 | } | |
2746 | break; | |
cd6f1169 | 2747 | case QEMU_OPTION_macaddr: |
702c651c FB |
2748 | { |
2749 | const char *p; | |
2750 | int i; | |
2751 | p = optarg; | |
2752 | for(i = 0; i < 6; i++) { | |
2753 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2754 | if (i == 5) { | |
2755 | if (*p != '\0') | |
2756 | goto macaddr_error; | |
2757 | } else { | |
2758 | if (*p != ':') { | |
2759 | macaddr_error: | |
2760 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2761 | exit(1); | |
2762 | } | |
2763 | p++; | |
2764 | } | |
2765 | } | |
2766 | } | |
2767 | break; | |
cd6f1169 | 2768 | case QEMU_OPTION_user_net: |
c20709aa FB |
2769 | net_if_type = NET_IF_USER; |
2770 | break; | |
cd6f1169 | 2771 | case QEMU_OPTION_dummy_net: |
c20709aa FB |
2772 | net_if_type = NET_IF_DUMMY; |
2773 | break; | |
cd6f1169 | 2774 | case QEMU_OPTION_enable_audio: |
aaaa7df6 FB |
2775 | audio_enabled = 1; |
2776 | break; | |
cd6f1169 | 2777 | case QEMU_OPTION_h: |
0824d6fc | 2778 | help(); |
cd6f1169 FB |
2779 | break; |
2780 | case QEMU_OPTION_m: | |
2781 | ram_size = atoi(optarg) * 1024 * 1024; | |
2782 | if (ram_size <= 0) | |
2783 | help(); | |
2784 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
2785 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
2786 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
2787 | exit(1); | |
2788 | } | |
2789 | break; | |
2790 | case QEMU_OPTION_d: | |
2791 | { | |
2792 | int mask; | |
2793 | CPULogItem *item; | |
2794 | ||
2795 | mask = cpu_str_to_log_mask(optarg); | |
2796 | if (!mask) { | |
2797 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
2798 | for(item = cpu_log_items; item->mask != 0; item++) { |
2799 | printf("%-10s %s\n", item->name, item->help); | |
2800 | } | |
2801 | exit(1); | |
cd6f1169 FB |
2802 | } |
2803 | cpu_set_log(mask); | |
f193c797 | 2804 | } |
cd6f1169 FB |
2805 | break; |
2806 | case QEMU_OPTION_n: | |
2807 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2808 | break; | |
67b915a5 | 2809 | #ifdef CONFIG_GDBSTUB |
cd6f1169 FB |
2810 | case QEMU_OPTION_s: |
2811 | use_gdbstub = 1; | |
2812 | break; | |
2813 | case QEMU_OPTION_p: | |
2814 | gdbstub_port = atoi(optarg); | |
2815 | break; | |
67b915a5 | 2816 | #endif |
cd6f1169 FB |
2817 | case QEMU_OPTION_L: |
2818 | bios_dir = optarg; | |
2819 | break; | |
2820 | case QEMU_OPTION_S: | |
2821 | start_emulation = 0; | |
2822 | break; | |
69b91039 FB |
2823 | case QEMU_OPTION_pci: |
2824 | pci_enabled = 1; | |
2825 | break; | |
bb0c6722 FB |
2826 | case QEMU_OPTION_isa: |
2827 | pci_enabled = 0; | |
2828 | break; | |
77d4bc34 FB |
2829 | case QEMU_OPTION_prep: |
2830 | prep_enabled = 1; | |
2831 | break; | |
ee22c2f7 FB |
2832 | case QEMU_OPTION_localtime: |
2833 | rtc_utc = 0; | |
2834 | break; | |
1f04275e FB |
2835 | case QEMU_OPTION_cirrusvga: |
2836 | cirrus_vga_enabled = 1; | |
2837 | break; | |
1bfe856e FB |
2838 | case QEMU_OPTION_std_vga: |
2839 | cirrus_vga_enabled = 0; | |
2840 | break; | |
e9b137c2 FB |
2841 | case QEMU_OPTION_g: |
2842 | { | |
2843 | const char *p; | |
2844 | int w, h, depth; | |
2845 | p = optarg; | |
2846 | w = strtol(p, (char **)&p, 10); | |
2847 | if (w <= 0) { | |
2848 | graphic_error: | |
2849 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
2850 | exit(1); | |
2851 | } | |
2852 | if (*p != 'x') | |
2853 | goto graphic_error; | |
2854 | p++; | |
2855 | h = strtol(p, (char **)&p, 10); | |
2856 | if (h <= 0) | |
2857 | goto graphic_error; | |
2858 | if (*p == 'x') { | |
2859 | p++; | |
2860 | depth = strtol(p, (char **)&p, 10); | |
2861 | if (depth != 8 && depth != 15 && depth != 16 && | |
2862 | depth != 24 && depth != 32) | |
2863 | goto graphic_error; | |
2864 | } else if (*p == '\0') { | |
2865 | depth = graphic_depth; | |
2866 | } else { | |
2867 | goto graphic_error; | |
2868 | } | |
2869 | ||
2870 | graphic_width = w; | |
2871 | graphic_height = h; | |
2872 | graphic_depth = depth; | |
2873 | } | |
2874 | break; | |
82c643ff FB |
2875 | case QEMU_OPTION_monitor: |
2876 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
2877 | break; | |
2878 | case QEMU_OPTION_serial: | |
2879 | pstrcpy(serial_device, sizeof(serial_device), optarg); | |
2880 | break; | |
cd6f1169 | 2881 | } |
0824d6fc FB |
2882 | } |
2883 | } | |
330d0414 | 2884 | |
a20dd508 | 2885 | linux_boot = (kernel_filename != NULL); |
330d0414 | 2886 | |
c45886db FB |
2887 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2888 | fd_filename[0] == '\0') | |
0824d6fc | 2889 | help(); |
8f2b1fb0 FB |
2890 | |
2891 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2892 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2893 | if (fd_filename[0] != '\0') | |
2894 | boot_device = 'a'; | |
2895 | else | |
2896 | boot_device = 'd'; | |
2897 | } | |
0824d6fc | 2898 | |
dc887a4d FB |
2899 | #if !defined(CONFIG_SOFTMMU) |
2900 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2901 | { | |
2902 | static uint8_t stdout_buf[4096]; | |
2903 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2904 | } | |
2905 | #else | |
b118d61e | 2906 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2907 | #endif |
0824d6fc | 2908 | |
c4b1fcc0 | 2909 | /* init host network redirectors */ |
c20709aa FB |
2910 | if (net_if_type == -1) { |
2911 | net_if_type = NET_IF_TUN; | |
2912 | #if defined(CONFIG_SLIRP) | |
2913 | if (access(network_script, R_OK) < 0) { | |
2914 | net_if_type = NET_IF_USER; | |
2915 | } | |
2916 | #endif | |
2917 | } | |
2918 | ||
2919 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2920 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2921 | nd->index = i; |
702c651c FB |
2922 | /* init virtual mac address */ |
2923 | nd->macaddr[0] = macaddr[0]; | |
2924 | nd->macaddr[1] = macaddr[1]; | |
2925 | nd->macaddr[2] = macaddr[2]; | |
2926 | nd->macaddr[3] = macaddr[3]; | |
2927 | nd->macaddr[4] = macaddr[4]; | |
2928 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2929 | switch(net_if_type) { |
2930 | #if defined(CONFIG_SLIRP) | |
2931 | case NET_IF_USER: | |
2932 | net_slirp_init(nd); | |
2933 | break; | |
2934 | #endif | |
2935 | #if !defined(_WIN32) | |
2936 | case NET_IF_TUN: | |
2937 | if (i < nb_tun_fds) { | |
2938 | net_fd_init(nd, tun_fds[i]); | |
2939 | } else { | |
d927637d FB |
2940 | if (net_tun_init(nd) < 0) |
2941 | net_dummy_init(nd); | |
c20709aa FB |
2942 | } |
2943 | break; | |
2944 | #endif | |
2945 | case NET_IF_DUMMY: | |
2946 | default: | |
2947 | net_dummy_init(nd); | |
2948 | break; | |
2949 | } | |
702c651c | 2950 | } |
f1510b2c | 2951 | |
0824d6fc | 2952 | /* init the memory */ |
0ced6589 | 2953 | phys_ram_size = ram_size + vga_ram_size + bios_size; |
7f7f9873 FB |
2954 | |
2955 | #ifdef CONFIG_SOFTMMU | |
7d3505c5 | 2956 | #ifdef _BSD |
83fb7adf FB |
2957 | /* mallocs are always aligned on BSD. valloc is better for correctness */ |
2958 | phys_ram_base = valloc(phys_ram_size); | |
7d3505c5 | 2959 | #else |
1ccde1cb | 2960 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7d3505c5 | 2961 | #endif |
7f7f9873 FB |
2962 | if (!phys_ram_base) { |
2963 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2964 | exit(1); |
2965 | } | |
7f7f9873 FB |
2966 | #else |
2967 | /* as we must map the same page at several addresses, we must use | |
2968 | a fd */ | |
2969 | { | |
2970 | const char *tmpdir; | |
2971 | ||
2972 | tmpdir = getenv("QEMU_TMPDIR"); | |
2973 | if (!tmpdir) | |
2974 | tmpdir = "/tmp"; | |
2975 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2976 | if (mkstemp(phys_ram_file) < 0) { | |
2977 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2978 | phys_ram_file); | |
2979 | exit(1); | |
2980 | } | |
2981 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2982 | if (phys_ram_fd < 0) { | |
2983 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2984 | phys_ram_file); | |
2985 | exit(1); | |
2986 | } | |
1ccde1cb | 2987 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2988 | unlink(phys_ram_file); |
1ccde1cb FB |
2989 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2990 | phys_ram_size, | |
7f7f9873 FB |
2991 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2992 | phys_ram_fd, 0); | |
2993 | if (phys_ram_base == MAP_FAILED) { | |
2994 | fprintf(stderr, "Could not map physical memory\n"); | |
2995 | exit(1); | |
2996 | } | |
2997 | } | |
2998 | #endif | |
0824d6fc | 2999 | |
c4b1fcc0 | 3000 | /* we always create the cdrom drive, even if no disk is there */ |
5905b2e5 | 3001 | bdrv_init(); |
c4b1fcc0 FB |
3002 | if (has_cdrom) { |
3003 | bs_table[2] = bdrv_new("cdrom"); | |
3004 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
3005 | } | |
3006 | ||
33e3963e FB |
3007 | /* open the virtual block devices */ |
3008 | for(i = 0; i < MAX_DISKS; i++) { | |
3009 | if (hd_filename[i]) { | |
33e3963e | 3010 | if (!bs_table[i]) { |
c4b1fcc0 FB |
3011 | char buf[64]; |
3012 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
3013 | bs_table[i] = bdrv_new(buf); | |
3014 | } | |
3015 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
5905b2e5 | 3016 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", |
33e3963e FB |
3017 | hd_filename[i]); |
3018 | exit(1); | |
3019 | } | |
c4b1fcc0 FB |
3020 | if (i == 0 && cyls != 0) |
3021 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
3022 | } | |
3023 | } | |
3024 | ||
3025 | /* we always create at least one floppy disk */ | |
3026 | fd_table[0] = bdrv_new("fda"); | |
3027 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
3028 | ||
3029 | for(i = 0; i < MAX_FD; i++) { | |
3030 | if (fd_filename[i]) { | |
3031 | if (!fd_table[i]) { | |
3032 | char buf[64]; | |
3033 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
3034 | fd_table[i] = bdrv_new(buf); | |
3035 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
3036 | } | |
3037 | if (fd_filename[i] != '\0') { | |
3038 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 3039 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
3040 | fd_filename[i]); |
3041 | exit(1); | |
3042 | } | |
3043 | } | |
33e3963e FB |
3044 | } |
3045 | } | |
3046 | ||
330d0414 FB |
3047 | /* init CPU state */ |
3048 | env = cpu_init(); | |
3049 | global_env = env; | |
3050 | cpu_single_env = env; | |
3051 | ||
8a7ddc38 | 3052 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
02ba45c5 | 3053 | register_savevm("cpu", 0, 2, cpu_save, cpu_load, env); |
8a7ddc38 | 3054 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
bb0c6722 | 3055 | qemu_register_reset(main_cpu_reset, global_env); |
8a7ddc38 | 3056 | |
330d0414 | 3057 | init_ioports(); |
80cabfad | 3058 | cpu_calibrate_ticks(); |
0824d6fc | 3059 | |
313aa567 | 3060 | /* terminal init */ |
a20dd508 | 3061 | if (nographic) { |
313aa567 FB |
3062 | dumb_display_init(ds); |
3063 | } else { | |
3064 | #ifdef CONFIG_SDL | |
3065 | sdl_display_init(ds); | |
313aa567 FB |
3066 | #else |
3067 | dumb_display_init(ds); | |
3068 | #endif | |
3069 | } | |
0824d6fc | 3070 | |
82c643ff FB |
3071 | vga_console = graphic_console_init(ds); |
3072 | ||
3073 | monitor_hd = qemu_chr_open(monitor_device); | |
3074 | if (!monitor_hd) { | |
3075 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
3076 | exit(1); | |
3077 | } | |
3078 | monitor_init(monitor_hd, !nographic); | |
3079 | ||
3080 | serial_hd = qemu_chr_open(serial_device); | |
3081 | if (!serial_hd) { | |
3082 | fprintf(stderr, "qemu: could not open serial device '%s'\n", serial_device); | |
3083 | exit(1); | |
3084 | } | |
3085 | if (!strcmp(serial_device, "vc")) | |
3086 | qemu_chr_printf(serial_hd, "serial0 console\n"); | |
3087 | ||
3088 | ||
0824d6fc | 3089 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 3090 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 3091 | |
77fef8c1 FB |
3092 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
3093 | { | |
3094 | stack_t stk; | |
73332e5c | 3095 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
3096 | stk.ss_sp = signal_stack; |
3097 | stk.ss_size = SIGNAL_STACK_SIZE; | |
3098 | stk.ss_flags = 0; | |
3099 | ||
3100 | if (sigaltstack(&stk, NULL) < 0) { | |
3101 | perror("sigaltstack"); | |
3102 | exit(1); | |
3103 | } | |
3104 | } | |
3105 | #endif | |
8a7ddc38 FB |
3106 | { |
3107 | struct sigaction act; | |
77fef8c1 | 3108 | |
8a7ddc38 FB |
3109 | sigfillset(&act.sa_mask); |
3110 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 3111 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 3112 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 3113 | #endif |
8a7ddc38 FB |
3114 | act.sa_sigaction = host_segv_handler; |
3115 | sigaction(SIGSEGV, &act, NULL); | |
3116 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 3117 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 3118 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 3119 | #endif |
8a7ddc38 | 3120 | } |
3a51dee6 | 3121 | #endif |
0824d6fc | 3122 | |
67b915a5 | 3123 | #ifndef _WIN32 |
8a7ddc38 FB |
3124 | { |
3125 | struct sigaction act; | |
3126 | sigfillset(&act.sa_mask); | |
3127 | act.sa_flags = 0; | |
3128 | act.sa_handler = SIG_IGN; | |
3129 | sigaction(SIGPIPE, &act, NULL); | |
3130 | } | |
67b915a5 | 3131 | #endif |
73332e5c FB |
3132 | init_timers(); |
3133 | ||
3134 | #if defined(TARGET_I386) | |
3135 | pc_init(ram_size, vga_ram_size, boot_device, | |
3136 | ds, fd_filename, snapshot, | |
3137 | kernel_filename, kernel_cmdline, initrd_filename); | |
3138 | #elif defined(TARGET_PPC) | |
a541f297 FB |
3139 | ppc_init(ram_size, vga_ram_size, boot_device, |
3140 | ds, fd_filename, snapshot, | |
3141 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
3142 | #endif |
3143 | ||
8a7ddc38 FB |
3144 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
3145 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 3146 | |
67b915a5 | 3147 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 3148 | if (use_gdbstub) { |
8a7ddc38 FB |
3149 | if (gdbserver_start(gdbstub_port) < 0) { |
3150 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
3151 | gdbstub_port); | |
3152 | exit(1); | |
3153 | } else { | |
3154 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
3155 | } | |
5905b2e5 | 3156 | term_init(); |
67b915a5 FB |
3157 | } else |
3158 | #endif | |
3159 | { | |
5905b2e5 FB |
3160 | term_init(); |
3161 | /* XXX: simplify init */ | |
3162 | read_passwords(); | |
3163 | if (start_emulation) { | |
3164 | vm_start(); | |
3165 | } | |
0824d6fc | 3166 | } |
8a7ddc38 | 3167 | main_loop(); |
40c3bac3 | 3168 | quit_timers(); |
0824d6fc FB |
3169 | return 0; |
3170 | } |